From bd7971aca9b7787adb306cd1b3c71287679ff4ec Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Thu, 17 Feb 2022 19:32:34 +0800
Subject: [PATCH 1/5] MDL-73915 js: Upgrade node-sass

---
 npm-shrinkwrap.json | 1573 ++++++++++++++++++++++++++++---------------
 package.json        |    2 +-
 2 files changed, 1018 insertions(+), 557 deletions(-)

diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index aeeacc6a744..01dc5af838a 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -2456,6 +2456,12 @@
         "to-fast-properties": "^2.0.0"
       }
     },
+    "@gar/promisify": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/@gar/promisify/-/promisify-1.1.3.tgz",
+      "integrity": "sha512-k2Ty1JcVojjJFwrg/ThKi2ujJ7XNLYaFGNB/bWT9wGR+oSMJHMa5w+CUq6p/pVrKeNNgA7pCqEcjSnHVoqJQFw==",
+      "dev": true
+    },
     "@nodelib/fs.scandir": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.3.tgz",
@@ -2482,6 +2488,54 @@
         "fastq": "^1.6.0"
       }
     },
+    "@npmcli/fs": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@npmcli/fs/-/fs-1.1.1.tgz",
+      "integrity": "sha512-8KG5RD0GVP4ydEzRn/I4BNDuxDtqVbOdm8675T49OIG/NGhaK0pjPX7ZcDlvKYbA+ulvVK3ztfcF4uBdOxuJbQ==",
+      "dev": true,
+      "requires": {
+        "@gar/promisify": "^1.0.1",
+        "semver": "^7.3.5"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "7.3.5",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
+          "integrity": "sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==",
+          "dev": true,
+          "requires": {
+            "lru-cache": "^6.0.0"
+          }
+        }
+      }
+    },
+    "@npmcli/move-file": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@npmcli/move-file/-/move-file-1.1.2.tgz",
+      "integrity": "sha512-1SUf/Cg2GzGDyaf15aR9St9TWlb+XvbZXWpDx8YKs7MLzMH/BCeopv+y9vzrzgkfykCGuWOlSu3mZhj2+FQcrg==",
+      "dev": true,
+      "requires": {
+        "mkdirp": "^1.0.4",
+        "rimraf": "^3.0.2"
+      },
+      "dependencies": {
+        "mkdirp": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+          "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
+          "dev": true
+        },
+        "rimraf": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
+          "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
+      }
+    },
     "@protobufjs/aspromise": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
@@ -2619,6 +2673,12 @@
         }
       }
     },
+    "@tootallnate/once": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@tootallnate/once/-/once-1.1.2.tgz",
+      "integrity": "sha512-RbzJvlNzmRq5c3O09UipeuXno4tA1FE6ikOjxZK0tuxVv3412l64l5t1W5pj4+rJq9vpkm/kwiR07aZXnsKPxw==",
+      "dev": true
+    },
     "@types/color-name": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
@@ -2694,6 +2754,36 @@
       "integrity": "sha512-HiUX/+K2YpkpJ+SzBffkM/AQ2YE03S0U1kjTLVpoJdhZMOWy8qvXVN9JdLqv2QsaQ6MPYQIuNmwD8zOiYUofLQ==",
       "dev": true
     },
+    "agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "dev": true,
+      "requires": {
+        "debug": "4"
+      }
+    },
+    "agentkeepalive": {
+      "version": "4.2.0",
+      "resolved": "https://registry.npmjs.org/agentkeepalive/-/agentkeepalive-4.2.0.tgz",
+      "integrity": "sha512-0PhAp58jZNw13UJv7NVdTGb0ZcghHUb3DrZ046JiiJY/BOaTTpbwdHq2VObPCBV8M2GPh7sgrJ3AQ8Ey468LJw==",
+      "dev": true,
+      "requires": {
+        "debug": "^4.1.0",
+        "depd": "^1.1.2",
+        "humanize-ms": "^1.2.1"
+      }
+    },
+    "aggregate-error": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/aggregate-error/-/aggregate-error-3.1.0.tgz",
+      "integrity": "sha512-4I7Td01quW/RpocfNayFdFVk1qSuoh0E7JrbRJ16nH01HhKFQ88INq9Sd+nd72zqRySlr9BmDA8xlEJ6vJMrYA==",
+      "dev": true,
+      "requires": {
+        "clean-stack": "^2.0.0",
+        "indent-string": "^4.0.0"
+      }
+    },
     "ajv": {
       "version": "6.12.2",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
@@ -2748,19 +2838,19 @@
       "dev": true
     },
     "aproba": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
-      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-2.0.0.tgz",
+      "integrity": "sha512-lYe4Gx7QT+MKGbDsA+Z+he/Wtef0BiwDOlK/XkBrdfsh9J/jPPXbX0tE9x9cl27Tmu5gg3QUbUrQYa/y+KOHPQ==",
       "dev": true
     },
     "are-we-there-yet": {
-      "version": "1.1.5",
-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
-      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-3.0.0.tgz",
+      "integrity": "sha512-0GWpv50YSOcLXaN6/FAKY3vfRbllXWV2xvfA/oKJF8pzFhWXPV+yjhJXDBbjscDYowv7Yw1A3uigpzn5iEGTyw==",
       "dev": true,
       "requires": {
         "delegates": "^1.0.0",
-        "readable-stream": "^2.0.6"
+        "readable-stream": "^3.6.0"
       }
     },
     "argparse": {
@@ -2778,12 +2868,6 @@
       "integrity": "sha1-p5SvDAWrF1KEbudTofIRoFugxE8=",
       "dev": true
     },
-    "array-find-index": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/array-find-index/-/array-find-index-1.0.2.tgz",
-      "integrity": "sha1-3wEKoSh+Fku9pvlyOwqWoexBh6E=",
-      "dev": true
-    },
     "array-slice": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/array-slice/-/array-slice-1.1.0.tgz",
@@ -2803,9 +2887,9 @@
       "dev": true
     },
     "asn1": {
-      "version": "0.2.4",
-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "version": "0.2.6",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.6.tgz",
+      "integrity": "sha512-ix/FxPn0MDjeyJ7i/yoHGFt/EX6LyNbxSEhPPXODPL+KB0VPk86UYfL0lMdy+KCnv+fmvIzySwaK5COwqVbWTQ==",
       "dev": true,
       "requires": {
         "safer-buffer": "~2.1.0"
@@ -2863,9 +2947,9 @@
       "dev": true
     },
     "aws4": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.9.1.tgz",
-      "integrity": "sha512-wMHVg2EOHaMRxbzgFJ9gtjOOCrI80OHLG14rxi28XwOW8ux6IiEbRCGGGqCtdAIg4FQCbW20k9RsT4y3gJlFug==",
+      "version": "1.11.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz",
+      "integrity": "sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA==",
       "dev": true
     },
     "babel-eslint": {
@@ -3205,15 +3289,6 @@
         "tweetnacl": "^0.14.3"
       }
     },
-    "block-stream": {
-      "version": "0.0.9",
-      "resolved": "https://registry.npmjs.org/block-stream/-/block-stream-0.0.9.tgz",
-      "integrity": "sha1-E+v+d4oDIFz+A3UUgeu0szAMEmo=",
-      "dev": true,
-      "requires": {
-        "inherits": "~2.0.0"
-      }
-    },
     "body": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/body/-/body-5.1.0.tgz",
@@ -3309,6 +3384,49 @@
       "integrity": "sha1-NWnt6Lo0MV+rmcPpLLBMciDeH6g=",
       "dev": true
     },
+    "cacache": {
+      "version": "15.3.0",
+      "resolved": "https://registry.npmjs.org/cacache/-/cacache-15.3.0.tgz",
+      "integrity": "sha512-VVdYzXEn+cnbXpFgWs5hTT7OScegHVmLhJIR8Ufqk3iFD6A6j5iSX1KuBTfNEv4tdJWE2PzA6IVFtcLC7fN9wQ==",
+      "dev": true,
+      "requires": {
+        "@npmcli/fs": "^1.0.0",
+        "@npmcli/move-file": "^1.0.1",
+        "chownr": "^2.0.0",
+        "fs-minipass": "^2.0.0",
+        "glob": "^7.1.4",
+        "infer-owner": "^1.0.4",
+        "lru-cache": "^6.0.0",
+        "minipass": "^3.1.1",
+        "minipass-collect": "^1.0.2",
+        "minipass-flush": "^1.0.5",
+        "minipass-pipeline": "^1.2.2",
+        "mkdirp": "^1.0.3",
+        "p-map": "^4.0.0",
+        "promise-inflight": "^1.0.1",
+        "rimraf": "^3.0.2",
+        "ssri": "^8.0.1",
+        "tar": "^6.0.2",
+        "unique-filename": "^1.1.1"
+      },
+      "dependencies": {
+        "mkdirp": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+          "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==",
+          "dev": true
+        },
+        "rimraf": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
+          "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
+          "dev": true,
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        }
+      }
+    },
     "callsites": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
@@ -3316,19 +3434,28 @@
       "dev": true
     },
     "camelcase": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-2.1.1.tgz",
-      "integrity": "sha1-fB0W1nmhu+WcoCys7PsBHiAfWh8=",
+      "version": "5.3.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+      "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
       "dev": true
     },
     "camelcase-keys": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-2.1.0.tgz",
-      "integrity": "sha1-MIvur/3ygRkFHvodkyITyRuPkuc=",
+      "version": "6.2.2",
+      "resolved": "https://registry.npmjs.org/camelcase-keys/-/camelcase-keys-6.2.2.tgz",
+      "integrity": "sha512-YrwaA0vEKazPBkn0ipTiMpSajYDSe+KjQfrjhcBMxJt/znbvlHd8Pw/Vamaz5EB4Wfhs3SUR3Z9mwRu/P3s3Yg==",
       "dev": true,
       "requires": {
-        "camelcase": "^2.0.0",
-        "map-obj": "^1.0.0"
+        "camelcase": "^5.3.1",
+        "map-obj": "^4.0.0",
+        "quick-lru": "^4.0.1"
+      },
+      "dependencies": {
+        "map-obj": {
+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/map-obj/-/map-obj-4.3.0.tgz",
+          "integrity": "sha512-hdN1wVrZbb29eBGiGjJbeP8JbKjq1urkHJ/LIP/NY48MZ1QVXUsQBV1G1zvYFHn1XE06cwjBsOI2K3Ulnj1YXQ==",
+          "dev": true
+        }
       }
     },
     "caniuse-lite": {
@@ -3398,6 +3525,12 @@
       "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
       "dev": true
     },
+    "chownr": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-2.0.0.tgz",
+      "integrity": "sha512-bIomtDF5KGpdogkLd9VspvFzk9KfpyyGlS8YFVZl7TGPBHL5snIOnxeshwVgPteQ9b4Eydl+pVbIyE1DcvCWgQ==",
+      "dev": true
+    },
     "clean-css": {
       "version": "2.2.23",
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-2.2.23.tgz",
@@ -3417,6 +3550,12 @@
         }
       }
     },
+    "clean-stack": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/clean-stack/-/clean-stack-2.2.0.tgz",
+      "integrity": "sha512-4diC9HaTE+KRAMWhDhrGOECgWZxoevMc5TlkObMqNSsVU62PYzXZ/SMTjzyGAFF1YusgxGcSWTEXBhp0CPwQ1A==",
+      "dev": true
+    },
     "cli": {
       "version": "0.6.6",
       "resolved": "https://registry.npmjs.org/cli/-/cli-0.6.6.tgz",
@@ -3470,6 +3609,17 @@
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       "dev": true
     },
+    "cliui": {
+      "version": "7.0.4",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-7.0.4.tgz",
+      "integrity": "sha512-OcRE68cOsVMXp1Yvonl/fzkQOyjLSu/8bhPDfQt0e0/Eb283TKP20Fs2MqoPsr9SwA595rRCA+QMzYc9nBP+JQ==",
+      "dev": true,
+      "requires": {
+        "string-width": "^4.2.0",
+        "strip-ansi": "^6.0.0",
+        "wrap-ansi": "^7.0.0"
+      }
+    },
     "clone-regexp": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/clone-regexp/-/clone-regexp-2.2.0.tgz",
@@ -3479,12 +3629,6 @@
         "is-regexp": "^2.0.0"
       }
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-    "code-point-at": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-      "dev": true
-    },
     "color-convert": {
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       "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
@@ -3500,6 +3644,12 @@
       "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
       "dev": true
     },
+    "color-support": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
+      "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==",
+      "dev": true
+    },
     "colorette": {
       "version": "1.2.2",
       "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.2.tgz",
@@ -3748,15 +3898,6 @@
         "uuid": "^3.3.3"
       }
     },
-    "currently-unhandled": {
-      "version": "0.4.1",
-      "resolved": "https://registry.npmjs.org/currently-unhandled/-/currently-unhandled-0.4.1.tgz",
-      "integrity": "sha1-mI3zP+qxke95mmE2nddsF635V+o=",
-      "dev": true,
-      "requires": {
-        "array-find-index": "^1.0.1"
-      }
-    },
     "dashdash": {
       "version": "1.14.1",
       "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
@@ -3830,6 +3971,12 @@
       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
       "dev": true
     },
+    "depd": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
+      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak=",
+      "dev": true
+    },
     "detect-file": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-1.0.0.tgz",
@@ -3927,12 +4074,46 @@
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       "dev": true
     },
+    "encoding": {
+      "version": "0.1.13",
+      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.13.tgz",
+      "integrity": "sha512-ETBauow1T35Y/WZMkio9jiM0Z5xjHHmJ4XmjZOq1l/dXz3lr2sRn87nJy20RupqSh1F2m3HHPSp8ShIPQJrJ3A==",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "iconv-lite": "^0.6.2"
+      },
+      "dependencies": {
+        "iconv-lite": {
+          "version": "0.6.3",
+          "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
+          "integrity": "sha512-4fCk79wshMdzMp2rH06qWrJE4iolqLhCUH+OiuIgU++RB0+94NlDL81atO7GX55uUKueo0txHNtvEyI6D7WdMw==",
+          "dev": true,
+          "optional": true,
+          "requires": {
+            "safer-buffer": ">= 2.1.2 < 3.0.0"
+          }
+        }
+      }
+    },
     "entities": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/entities/-/entities-1.0.0.tgz",
       "integrity": "sha1-sph6o4ITR/zeZCsk/fyeT7cSvyY=",
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-      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
-      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.5.tgz",
+      "integrity": "sha512-eDMORYaPNZ4sQIuuYPDHdQvf4gyCF9rEEV/yPxGfwPkRodwEgiMUUXTx/dex+Me0wxx53S+NgUHaP7y3MGlDmg==",
       "dev": true,
       "requires": {
-        "string-width": "^1.0.2 || 2"
+        "string-width": "^1.0.2 || 2 || 3 || 4"
       }
     },
     "window-size": {
@@ -8982,43 +9452,39 @@
       "dev": true
     },
     "wrap-ansi": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-2.1.0.tgz",
-      "integrity": "sha1-2Pw9KE3QV5T+hJc8rs3Rz4JP3YU=",
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-7.0.0.tgz",
+      "integrity": "sha512-YVGIj2kamLSTxw6NsZjoBxfSwsn0ycdesmc4p+Q21c5zPuZ1pl+NfxVdxPtdHvmNVOQ6XSYG4AUtyt/Fi7D16Q==",
       "dev": true,
       "requires": {
-        "string-width": "^1.0.1",
-        "strip-ansi": "^3.0.1"
+        "ansi-styles": "^4.0.0",
+        "string-width": "^4.1.0",
+        "strip-ansi": "^6.0.0"
       },
       "dependencies": {
-        "is-fullwidth-code-point": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-1.0.0.tgz",
-          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
+        "ansi-styles": {
+          "version": "4.3.0",
+          "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+          "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
           "dev": true,
           "requires": {
-            "number-is-nan": "^1.0.0"
+            "color-convert": "^2.0.1"
           }
         },
-        "string-width": {
-          "version": "1.0.2",
-          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
-          "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
+        "color-convert": {
+          "version": "2.0.1",
+          "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+          "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
           "dev": true,
           "requires": {
-            "code-point-at": "^1.0.0",
-            "is-fullwidth-code-point": "^1.0.0",
-            "strip-ansi": "^3.0.0"
+            "color-name": "~1.1.4"
           }
         },
-        "strip-ansi": {
-          "version": "3.0.1",
-          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-          "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-          "dev": true,
-          "requires": {
-            "ansi-regex": "^2.0.0"
-          }
+        "color-name": {
+          "version": "1.1.4",
+          "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+          "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+          "dev": true
         }
       }
     },
@@ -9087,10 +9553,16 @@
       "integrity": "sha512-fg03WRxtkCV6ohClePNAECYsmpKKTv5L8y/X3Dn1hQrec3POx2jHZ/0P2qQ6HvsrU1BmeqXcof3NGGueG6LxwQ==",
       "dev": true
     },
+    "y18n": {
+      "version": "5.0.8",
+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
+      "dev": true
+    },
     "yallist": {
-      "version": "2.1.2",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
-      "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
       "dev": true
     },
     "yaml": {
@@ -9129,21 +9601,10 @@
       }
     },
     "yargs-parser": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-      "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
-      "dev": true,
-      "requires": {
-        "camelcase": "^3.0.0"
-      },
-      "dependencies": {
-        "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
-          "dev": true
-        }
-      }
+      "version": "20.2.9",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.9.tgz",
+      "integrity": "sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==",
+      "dev": true
     },
     "ycssmin": {
       "version": "1.0.1",
diff --git a/package.json b/package.json
index 79d6cbd366e..e02f1a6a81f 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
     "grunt-sass": "3.1.0",
     "grunt-stylelint": "0.15.0",
     "jshint": "^2.11.0",
-    "node-sass": "^4.14.0",
+    "node-sass": "^7.0.1",
     "semver": "7.3.2",
     "shifter": "https://github.com/andrewnicols/shifter/archive/v1.2.0_moodle-0.tar.gz",
     "stylelint": "13.3.3",

From de97a73ede4d2e5b45a657e13617a8b36e732e65 Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Fri, 18 Feb 2022 08:07:49 +0800
Subject: [PATCH 2/5] MDL-73915 js: Switch to nodejs lts/gallium

---
 .nvmrc              |     2 +-
 npm-shrinkwrap.json | 11717 +++++++++++++++++++++++++++++++++++++++++-
 package.json        |     2 +-
 3 files changed, 11705 insertions(+), 16 deletions(-)

diff --git a/.nvmrc b/.nvmrc
index b2d264b67df..53d838af215 100644
--- a/.nvmrc
+++ b/.nvmrc
@@ -1 +1 @@
-v14.18.0
+lts/gallium
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 01dc5af838a..814e797be4d 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -1,7 +1,11692 @@
 {
   "name": "Moodle",
+  "lockfileVersion": 2,
   "requires": true,
-  "lockfileVersion": 1,
+  "packages": {
+    "": {
+      "name": "Moodle",
+      "devDependencies": {
+        "@babel/core": "7.9.0",
+        "@babel/plugin-proposal-class-properties": "7.8.3",
+        "@babel/plugin-proposal-json-strings": "7.8.3",
+        "@babel/plugin-syntax-dynamic-import": "7.8.3",
+        "@babel/plugin-syntax-import-meta": "7.8.3",
+        "@babel/preset-env": "7.9.5",
+        "ajv": "6.12.2",
+        "async": "3.2.0",
+        "babel-eslint": "10.1.0",
+        "babel-plugin-system-import-transformer": "^4.0.0",
+        "babel-plugin-transform-es2015-modules-amd-lazy": "2.0.1",
+        "babel-preset-minify": "0.5.1",
+        "eslint": "6.8.0",
+        "eslint-plugin-babel": "5.3.0",
+        "eslint-plugin-promise": "4.2.1",
+        "fb-watchman": "2.0.1",
+        "gherkin-lint": "^4.2.2",
+        "glob": "7.1.6",
+        "grunt": "^1.4.1",
+        "grunt-babel": "8.0.0",
+        "grunt-contrib-uglify": "4.0.1",
+        "grunt-contrib-watch": "1.1.0",
+        "grunt-eslint": "22.0.0",
+        "grunt-sass": "3.1.0",
+        "grunt-stylelint": "0.15.0",
+        "jshint": "^2.11.0",
+        "node-sass": "^7.0.1",
+        "semver": "7.3.2",
+        "shifter": "https://github.com/andrewnicols/shifter/archive/v1.2.0_moodle-0.tar.gz",
+        "stylelint": "13.3.3",
+        "stylelint-checkstyle-formatter": "0.1.2",
+        "stylelint-csstree-validator": "1.8.0",
+        "xmldom": "^0.6.0",
+        "xpath": "0.0.27"
+      },
+      "engines": {
+        "node": ">=16.14.0 <17"
+      }
+    },
+    "node_modules/@babel/code-frame": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0.tgz",
+      "integrity": "sha512-OfC2uemaknXr87bdLUkWog7nYuliM9Ij5HUcajsVcMCpQrcLmtxRbVFTIqmcSkSeYRBFBRxs2FiUqFJDLdiebA==",
+      "dev": true,
+      "dependencies": {
+        "@babel/highlight": "^7.0.0"
+      }
+    },
+    "node_modules/@babel/compat-data": {
+      "version": "7.9.0",
+      "resolved": "https://registry.npmjs.org/@babel/compat-data/-/compat-data-7.9.0.tgz",
+      "integrity": "sha512-zeFQrr+284Ekvd9e7KAX954LkapWiOmQtsfHirhxqfdlX6MEC32iRE+pqUGlYIBchdevaCwvzxWGSy/YBNI85g==",
+      "dev": true,
+      "dependencies": {
+        "browserslist": "^4.9.1",
+        "invariant": "^2.2.4",
+        "semver": "^5.5.0"
+      }
+    },
+    "node_modules/@babel/compat-data/node_modules/semver": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+      "integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+      "dev": true,
+      "bin": {
+        "semver": "bin/semver"
+      }
+    },
+    "node_modules/@babel/core": {
+      "version": "7.9.0",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.9.0.tgz",
+      "integrity": "sha512-kWc7L0fw1xwvI0zi8OKVBuxRVefwGOrKSQMvrQ3dW+bIIavBY3/NpXmpjMy7bQnLgwgzWQZ8TlM57YHpHNHz4w==",
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+      "dependencies": {
+        "@babel/code-frame": "^7.8.3",
+        "@babel/generator": "^7.9.0",
+        "@babel/helper-module-transforms": "^7.9.0",
+        "@babel/helpers": "^7.9.0",
+        "@babel/parser": "^7.9.0",
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+        "@babel/traverse": "^7.9.0",
+        "@babel/types": "^7.9.0",
+        "convert-source-map": "^1.7.0",
+        "debug": "^4.1.0",
+        "gensync": "^1.0.0-beta.1",
+        "json5": "^2.1.2",
+        "lodash": "^4.17.13",
+        "resolve": "^1.3.2",
+        "semver": "^5.4.1",
+        "source-map": "^0.5.0"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/babel"
+      }
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+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
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+      "dependencies": {
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+      }
+    },
+    "node_modules/@babel/core/node_modules/@babel/helper-module-imports": {
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+      "resolved": "https://registry.npmjs.org/@babel/helper-module-imports/-/helper-module-imports-7.8.3.tgz",
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+        "@babel/helper-replace-supers": "^7.8.6",
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+        "lodash": "^4.17.13"
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+        "jsesc": "^2.5.1",
+        "lodash": "^4.17.13",
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+      }
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+      "dev": true
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+      "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.2.8.tgz",
+      "integrity": "sha1-m4FpCTFjH/CdGVdUn69U9PmAs8I=",
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+    "node_modules/xmldom": {
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+      "dev": true,
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+      "resolved": "https://registry.npmjs.org/xpath/-/xpath-0.0.27.tgz",
+      "integrity": "sha512-fg03WRxtkCV6ohClePNAECYsmpKKTv5L8y/X3Dn1hQrec3POx2jHZ/0P2qQ6HvsrU1BmeqXcof3NGGueG6LxwQ==",
+      "dev": true,
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+    "node_modules/y18n": {
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+      "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
+      "integrity": "sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==",
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+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true
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+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.9.2.tgz",
+      "integrity": "sha512-HPT7cGGI0DuRcsO51qC1j9O16Dh1mZ2bnXwsi0jrSpsLz0WxOLSLXfkABVl6bZO629py3CU+OMJtpNHDLB97kg==",
+      "dev": true,
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
+    "node_modules/yargs": {
+      "version": "3.5.4",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.5.4.tgz",
+      "integrity": "sha1-2K/49mXpTDS9JZvevRv68N3TU2E=",
+      "dev": true,
+      "dependencies": {
+        "camelcase": "^1.0.2",
+        "decamelize": "^1.0.0",
+        "window-size": "0.1.0",
+        "wordwrap": "0.0.2"
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+    "node_modules/yargs-parser": {
+      "version": "20.2.9",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-20.2.9.tgz",
+      "integrity": "sha512-y11nGElTIV+CT3Zv9t7VKl+Q3hTQoT9a1Qzezhhl6Rp21gJ/IVTW7Z3y9EWXhuUBC2Shnf+DX0antecpAwSP8w==",
+      "dev": true,
+      "engines": {
+        "node": ">=10"
+      }
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+    "node_modules/yargs/node_modules/camelcase": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
+      "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
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+    "node_modules/yargs/node_modules/wordwrap": {
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+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
+      "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=",
+      "dev": true,
+      "engines": {
+        "node": ">=0.4.0"
+      }
+    },
+    "node_modules/ycssmin": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/ycssmin/-/ycssmin-1.0.1.tgz",
+      "integrity": "sha1-fN3o23jPqwDSkBw7IwHjBPr03xY=",
+      "dev": true,
+      "bin": {
+        "ycssmin": "bin/cssmin"
+      }
+    },
+    "node_modules/yuglify": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/yuglify/-/yuglify-2.0.0.tgz",
+      "integrity": "sha1-nU5a3c4g9B7fIkhuIxG2HWo/jSE=",
+      "dev": true,
+      "dependencies": {
+        "nopt": "~2.1.1",
+        "uglify-js": "^3.1.4",
+        "ycssmin": "~1.0.1"
+      },
+      "bin": {
+        "yuglify": "bin/yuglify"
+      }
+    },
+    "node_modules/yuglify/node_modules/nopt": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-2.1.2.tgz",
+      "integrity": "sha1-bMzZd7gBMqB3MdbozljCyDA8+a8=",
+      "dev": true,
+      "dependencies": {
+        "abbrev": "1"
+      },
+      "bin": {
+        "nopt": "bin/nopt.js"
+      }
+    },
+    "node_modules/yui-lint": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/yui-lint/-/yui-lint-0.2.0.tgz",
+      "integrity": "sha1-6RPadPqgZPtTwDdxstMSk4ZfAYU=",
+      "dev": true
+    },
+    "node_modules/yuicompressor": {
+      "version": "2.4.7",
+      "resolved": "https://registry.npmjs.org/yuicompressor/-/yuicompressor-2.4.7.tgz",
+      "integrity": "sha1-GAyheDRsb+MrbuilCyrrV+TUWEQ=",
+      "dev": true,
+      "bin": {
+        "yuicompressor": "nodejs/cli.js"
+      }
+    },
+    "node_modules/yuitest-coverage": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/yuitest-coverage/-/yuitest-coverage-0.0.6.tgz",
+      "integrity": "sha1-+DnXLTStIzZxlDfKvK5ahcO/XKg=",
+      "dev": true
+    },
+    "node_modules/zwitch": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/zwitch/-/zwitch-1.0.5.tgz",
+      "integrity": "sha512-V50KMwwzqJV0NpZIZFwfOD5/lyny3WlSzRiXgA0G7VUnRlqttta1L6UQIHzd6EuBY/cHGfwTIck7w1yH6Q5zUw==",
+      "dev": true,
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    }
+  },
   "dependencies": {
     "@babel/code-frame": {
       "version": "7.0.0",
@@ -2752,7 +14437,8 @@
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.2.0.tgz",
       "integrity": "sha512-HiUX/+K2YpkpJ+SzBffkM/AQ2YE03S0U1kjTLVpoJdhZMOWy8qvXVN9JdLqv2QsaQ6MPYQIuNmwD8zOiYUofLQ==",
-      "dev": true
+      "dev": true,
+      "requires": {}
     },
     "agent-base": {
       "version": "6.0.2",
@@ -5078,7 +16764,8 @@
       "version": "8.0.0",
       "resolved": "https://registry.npmjs.org/grunt-babel/-/grunt-babel-8.0.0.tgz",
       "integrity": "sha512-WuiZFvGzcyzlEoPIcY1snI234ydDWeWWV5bpnB7PZsOLHcDsxWKnrR1rMWEUsbdVPPjvIirwFNsuo4CbJmsdFQ==",
-      "dev": true
+      "dev": true,
+      "requires": {}
     },
     "grunt-contrib-uglify": {
       "version": "4.0.1",
@@ -5242,7 +16929,8 @@
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/grunt-sass/-/grunt-sass-3.1.0.tgz",
       "integrity": "sha512-90s27H7FoCDcA8C8+R0GwC+ntYD3lG6S/jqcavWm3bn9RiJTmSfOvfbFa1PXx4NbBWuiGQMLfQTj/JvvqT5w6A==",
-      "dev": true
+      "dev": true,
+      "requires": {}
     },
     "grunt-stylelint": {
       "version": "0.15.0",
@@ -7712,7 +19400,8 @@
       "version": "0.36.2",
       "resolved": "https://registry.npmjs.org/postcss-syntax/-/postcss-syntax-0.36.2.tgz",
       "integrity": "sha512-nBRg/i7E3SOHWxF3PpF5WnJM/jQ1YpY9000OaVXlAQj6Zp/kIqJxEDWIZ67tAd7NLuk7zqN4yqe9nc0oNAOs1w==",
-      "dev": true
+      "dev": true,
+      "requires": {}
     },
     "postcss-value-parser": {
       "version": "4.0.3",
@@ -8514,6 +20203,15 @@
         }
       }
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "string-template": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/string-template/-/string-template-0.2.1.tgz",
@@ -8539,15 +20237,6 @@
         }
       }
     },
-    "string_decoder": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
-      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-      "dev": true,
-      "requires": {
-        "safe-buffer": "~5.1.0"
-      }
-    },
     "stringstream": {
       "version": "0.0.6",
       "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.6.tgz",
diff --git a/package.json b/package.json
index e02f1a6a81f..d716f7ff301 100644
--- a/package.json
+++ b/package.json
@@ -39,6 +39,6 @@
     "xpath": "0.0.27"
   },
   "engines": {
-    "node": ">=14.18.0 <15"
+    "node": ">=16.14.0 <17"
   }
 }

From 97e9f81aa090561cb07fa81ed8017555f94ea47c Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Fri, 18 Feb 2022 08:29:59 +0800
Subject: [PATCH 3/5] MDL-73915 js: Upgrade packages

---
 npm-shrinkwrap.json | 387 ++++++++++++++++++++++++++++----------------
 package.json        |  12 +-
 2 files changed, 254 insertions(+), 145 deletions(-)

diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 814e797be4d..6f905d58036 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -12,8 +12,8 @@
         "@babel/plugin-syntax-dynamic-import": "7.8.3",
         "@babel/plugin-syntax-import-meta": "7.8.3",
         "@babel/preset-env": "7.9.5",
-        "ajv": "6.12.2",
-        "async": "3.2.0",
+        "ajv": "8.10.0",
+        "async": "3.2.3",
         "babel-eslint": "10.1.0",
         "babel-plugin-system-import-transformer": "^4.0.0",
         "babel-plugin-transform-es2015-modules-amd-lazy": "2.0.1",
@@ -23,7 +23,7 @@
         "eslint-plugin-promise": "4.2.1",
         "fb-watchman": "2.0.1",
         "gherkin-lint": "^4.2.2",
-        "glob": "7.1.6",
+        "glob": "7.2.0",
         "grunt": "^1.4.1",
         "grunt-babel": "8.0.0",
         "grunt-contrib-uglify": "4.0.1",
@@ -31,15 +31,15 @@
         "grunt-eslint": "22.0.0",
         "grunt-sass": "3.1.0",
         "grunt-stylelint": "0.15.0",
-        "jshint": "^2.11.0",
+        "jshint": "^2.13.4",
         "node-sass": "^7.0.1",
-        "semver": "7.3.2",
+        "semver": "7.3.5",
         "shifter": "https://github.com/andrewnicols/shifter/archive/v1.2.0_moodle-0.tar.gz",
         "stylelint": "13.3.3",
         "stylelint-checkstyle-formatter": "0.1.2",
         "stylelint-csstree-validator": "1.8.0",
         "xmldom": "^0.6.0",
-        "xpath": "0.0.27"
+        "xpath": "0.0.32"
       },
       "engines": {
         "node": ">=16.14.0 <17"
@@ -2663,21 +2663,6 @@
         "semver": "^7.3.5"
       }
     },
-    "node_modules/@npmcli/fs/node_modules/semver": {
-      "version": "7.3.5",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
-      "integrity": "sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==",
-      "dev": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/@npmcli/move-file": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@npmcli/move-file/-/move-file-1.1.2.tgz",
@@ -3015,17 +3000,27 @@
       }
     },
     "node_modules/ajv": {
-      "version": "6.12.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
-      "integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
+      "version": "8.10.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-8.10.0.tgz",
+      "integrity": "sha512-bzqAEZOjkrUMl2afH8dknrq5KEk2SrwdBROR+vH1EKVQTqaUbJVPdc/gEdggTMM0Se+s+Ja4ju4TlNcStKl2Hw==",
       "dev": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.4.1",
+        "json-schema-traverse": "^1.0.0",
+        "require-from-string": "^2.0.2",
         "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
       }
     },
+    "node_modules/ajv/node_modules/json-schema-traverse": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
+      "integrity": "sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==",
+      "dev": true
+    },
     "node_modules/amdefine": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
@@ -3181,9 +3176,9 @@
       }
     },
     "node_modules/async": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/async/-/async-3.2.0.tgz",
-      "integrity": "sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw==",
+      "version": "3.2.3",
+      "resolved": "https://registry.npmjs.org/async/-/async-3.2.3.tgz",
+      "integrity": "sha512-spZRyzKL5l5BZQrr/6m/SqFdBN0q3OCI0f9rjfBzCMBIP4p75P620rR3gTmaksNOhmzgdxcaxdNfMy6anrbM0g==",
       "dev": true
     },
     "node_modules/async-foreach": {
@@ -4825,6 +4820,22 @@
         "node": ">=4"
       }
     },
+    "node_modules/eslint/node_modules/ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dev": true,
+      "dependencies": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      },
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/epoberezkin"
+      }
+    },
     "node_modules/eslint/node_modules/ansi-regex": {
       "version": "4.1.0",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
@@ -5581,6 +5592,26 @@
         "node": ">=10.0.0"
       }
     },
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       "integrity": "sha1-jGStX9MNqxyXbiNE/+f3kqam30I=",
       "dev": true
     },
+    "require-from-string": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/require-from-string/-/require-from-string-2.0.2.tgz",
+      "integrity": "sha512-Xf0nWe6RseziFMu+Ap9biiUbmplq6S9/p+7w7YXP/JBHhrUDDUhwa+vANyubuqfZWTveU//DYVGsDG7RKL/vEw==",
+      "dev": true
+    },
     "resolve": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.10.0.tgz",
@@ -19894,10 +19988,13 @@
       }
     },
     "semver": {
-      "version": "7.3.2",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.2.tgz",
-      "integrity": "sha512-OrOb32TeeambH6UrhtShmF7CRDqhL6/5XpPNp2DuRH6+9QLw/orhp72j87v8Qa1ScDkvrrBNpZcDejAirJmfXQ==",
-      "dev": true
+      "version": "7.3.5",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
+      "integrity": "sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==",
+      "dev": true,
+      "requires": {
+        "lru-cache": "^6.0.0"
+      }
     },
     "set-blocking": {
       "version": "2.0.0",
@@ -20672,6 +20769,18 @@
         "string-width": "^3.0.0"
       },
       "dependencies": {
+        "ajv": {
+          "version": "6.12.6",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+          "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+          "dev": true,
+          "requires": {
+            "fast-deep-equal": "^3.1.1",
+            "fast-json-stable-stringify": "^2.0.0",
+            "json-schema-traverse": "^0.4.1",
+            "uri-js": "^4.2.2"
+          }
+        },
         "ansi-regex": {
           "version": "4.1.0",
           "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
@@ -21237,9 +21346,9 @@
       "dev": true
     },
     "xpath": {
-      "version": "0.0.27",
-      "resolved": "https://registry.npmjs.org/xpath/-/xpath-0.0.27.tgz",
-      "integrity": "sha512-fg03WRxtkCV6ohClePNAECYsmpKKTv5L8y/X3Dn1hQrec3POx2jHZ/0P2qQ6HvsrU1BmeqXcof3NGGueG6LxwQ==",
+      "version": "0.0.32",
+      "resolved": "https://registry.npmjs.org/xpath/-/xpath-0.0.32.tgz",
+      "integrity": "sha512-rxMJhSIoiO8vXcWvSifKqhvV96GjiD5wYb8/QHdoRyQvraTpp4IEv944nhGausZZ3u7dhQXteZuZbaqfpB7uYw==",
       "dev": true
     },
     "y18n": {
diff --git a/package.json b/package.json
index d716f7ff301..22aa2dc897e 100644
--- a/package.json
+++ b/package.json
@@ -9,8 +9,8 @@
     "@babel/plugin-syntax-dynamic-import": "7.8.3",
     "@babel/plugin-syntax-import-meta": "7.8.3",
     "@babel/preset-env": "7.9.5",
-    "ajv": "6.12.2",
-    "async": "3.2.0",
+    "ajv": "8.10.0",
+    "async": "3.2.3",
     "babel-eslint": "10.1.0",
     "babel-plugin-system-import-transformer": "^4.0.0",
     "babel-plugin-transform-es2015-modules-amd-lazy": "2.0.1",
@@ -20,7 +20,7 @@
     "eslint-plugin-promise": "4.2.1",
     "fb-watchman": "2.0.1",
     "gherkin-lint": "^4.2.2",
-    "glob": "7.1.6",
+    "glob": "7.2.0",
     "grunt": "^1.4.1",
     "grunt-babel": "8.0.0",
     "grunt-contrib-uglify": "4.0.1",
@@ -28,15 +28,15 @@
     "grunt-eslint": "22.0.0",
     "grunt-sass": "3.1.0",
     "grunt-stylelint": "0.15.0",
-    "jshint": "^2.11.0",
+    "jshint": "^2.13.4",
     "node-sass": "^7.0.1",
-    "semver": "7.3.2",
+    "semver": "7.3.5",
     "shifter": "https://github.com/andrewnicols/shifter/archive/v1.2.0_moodle-0.tar.gz",
     "stylelint": "13.3.3",
     "stylelint-checkstyle-formatter": "0.1.2",
     "stylelint-csstree-validator": "1.8.0",
     "xmldom": "^0.6.0",
-    "xpath": "0.0.27"
+    "xpath": "0.0.32"
   },
   "engines": {
     "node": ">=16.14.0 <17"

From 466ca1079df4b81a7ec02bde94adda75345e8e70 Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Fri, 18 Feb 2022 08:52:45 +0800
Subject: [PATCH 4/5] MDL-73915 js: Upgrade babel and eslint

---
 .eslintrc                                     |    5 +-
 .../moodle-tool_capability-search-min.js      |    2 +-
 .../amd/build/data_deletion.min.js            |    2 +-
 .../amd/build/defaultsactions.min.js          |    2 +-
 .../amd/build/myrequestactions.min.js         |    2 +-
 .../amd/build/requestactions.min.js           |    2 +-
 .../moodle-tool_monitor-dropdown-min.js       |    2 +-
 .../policy/amd/build/managedocsactions.min.js |    2 +-
 admin/tool/usertours/amd/build/tour.min.js    |    2 +-
 .../tool/usertours/amd/build/tour.min.js.map  |    2 +-
 ...moodle-availability_completion-form-min.js |    2 +-
 .../moodle-availability_date-form-min.js      |    2 +-
 .../moodle-availability_grade-form-min.js     |    2 +-
 .../moodle-availability_group-form-min.js     |    2 +-
 .../moodle-availability_grouping-form-min.js  |    2 +-
 .../moodle-availability_profile-form-min.js   |    2 +-
 .../moodle-core_availability-form-min.js      |    6 +-
 backup/util/ui/amd/build/async_backup.min.js  |    2 +-
 .../moodle-backup-backupselectall-min.js      |    2 +-
 .../moodle-backup-confirmcancel-min.js        |    2 +-
 badges/amd/build/backpackactions.min.js       |    2 +-
 .../amd/build/ajax_response_renderer.min.js   |    2 +-
 .../build/ajax_response_renderer.min.js.map   |    2 +-
 blocks/navigation/amd/build/nav_loader.min.js |    2 +-
 calendar/amd/build/repository.min.js          |    2 +-
 calendar/amd/build/view_manager.min.js        |    2 +-
 calendar/amd/build/view_manager.min.js.map    |    2 +-
 contentbank/amd/build/actions.min.js          |    2 +-
 contentbank/amd/build/search.min.js           |    2 +-
 course/amd/build/activitychooser.min.js       |    2 +-
 course/amd/build/activitychooser.min.js.map   |    2 +-
 course/amd/build/copy_modal.min.js            |    2 +-
 .../local/activitychooser/dialogue.min.js     |    2 +-
 .../local/activitychooser/dialogue.min.js.map |    2 +-
 .../local/activitychooser/repository.min.js   |    2 +-
 .../moodle-course-categoryexpander-min.js     |    2 +-
 .../moodle-course-coursebase-min.js           |    2 +-
 .../moodle-course-dragdrop-min.js             |    4 +-
 .../moodle-course-formatchooser-min.js        |    2 +-
 .../moodle-course-management-min.js           |    8 +-
 .../moodle-course-util-cm-min.js              |    2 +-
 .../moodle-course-util-section-min.js         |    2 +-
 enrol/manual/amd/build/quickenrolment.min.js  |    2 +-
 .../amd/build/quickenrolment.min.js.map       |    2 +-
 .../moodle-filter_glossary-autolinker-min.js  |    2 +-
 .../moodle-filter_mathjaxloader-loader-min.js |    2 +-
 .../grader/gradingpanel/comparison.min.js     |    2 +-
 .../grader/gradingpanel/normalise.min.js      |    2 +-
 .../grades/grader/gradingpanel/point.min.js   |    2 +-
 .../grader/gradingpanel/repository.min.js     |    2 +-
 .../build/grades/grader/gradingpanel.min.js   |    2 +-
 .../build/grades/grader/gradingpanel.min.js   |    2 +-
 ...gradereport_grader-gradereporttable-min.js |    4 +-
 ...le-gradereport_history-userselector-min.js |    4 +-
 lib/amd/build/adapter.min.js                  |    2 +-
 lib/amd/build/adapter.min.js.map              |    2 +-
 lib/amd/build/chart_base.min.js               |    2 +-
 lib/amd/build/chart_base.min.js.map           |    2 +-
 lib/amd/build/chart_output_chartjs.min.js     |    2 +-
 lib/amd/build/chart_series.min.js             |    2 +-
 lib/amd/build/chart_series.min.js.map         |    2 +-
 lib/amd/build/chartjs-lazy.min.js             |    2 +-
 lib/amd/build/chartjs-lazy.min.js.map         |    2 +-
 lib/amd/build/drawer.min.js                   |    2 +-
 lib/amd/build/drawer.min.js.map               |    2 +-
 lib/amd/build/emoji/auto_complete.min.js      |    2 +-
 lib/amd/build/emoji/auto_complete.min.js.map  |    2 +-
 lib/amd/build/emoji/picker.min.js             |    2 +-
 lib/amd/build/emoji/picker.min.js.map         |    2 +-
 lib/amd/build/local/modal/alert.min.js        |    2 +-
 lib/amd/build/local/modal/alert.min.js.map    |    2 +-
 lib/amd/build/loglevel.min.js                 |    2 +-
 lib/amd/build/loglevel.min.js.map             |    2 +-
 lib/amd/build/modal.min.js                    |    2 +-
 lib/amd/build/modal.min.js.map                |    2 +-
 lib/amd/build/modal_cancel.min.js             |    2 +-
 lib/amd/build/modal_cancel.min.js.map         |    2 +-
 lib/amd/build/modal_factory.min.js            |    2 +-
 lib/amd/build/modal_factory.min.js.map        |    2 +-
 lib/amd/build/modal_save_cancel.min.js        |    2 +-
 lib/amd/build/modal_save_cancel.min.js.map    |    2 +-
 lib/amd/build/mustache.min.js                 |    2 +-
 lib/amd/build/mustache.min.js.map             |    2 +-
 lib/amd/build/notification.min.js             |    2 +-
 lib/amd/build/notification.min.js.map         |    2 +-
 lib/amd/build/popper.min.js                   |    2 +-
 lib/amd/build/popper.min.js.map               |    2 +-
 lib/amd/build/prefetch.min.js                 |    2 +-
 lib/amd/build/prefetch.min.js.map             |    2 +-
 lib/amd/build/pubsub.min.js                   |    2 +-
 lib/amd/build/showhidesettings.min.js         |    2 +-
 lib/amd/build/sortable_list.min.js            |    2 +-
 lib/amd/build/sortable_list.min.js.map        |    2 +-
 lib/amd/build/str.min.js                      |    2 +-
 lib/amd/build/str.min.js.map                  |    2 +-
 lib/amd/build/toast.min.js                    |    2 +-
 lib/amd/build/toast.min.js.map                |    2 +-
 lib/amd/build/utils.min.js                    |    2 +-
 ...le-atto_accessibilitychecker-button-min.js |    2 +-
 ...dle-atto_accessibilityhelper-button-min.js |    2 +-
 .../moodle-atto_align-button-min.js           |    2 +-
 .../moodle-atto_charmap-button-min.js         |    4 +-
 .../moodle-atto_collapse-button-min.js        |    2 +-
 .../moodle-atto_emoticon-button-min.js        |    2 +-
 .../moodle-atto_equation-button-min.js        |    4 +-
 .../moodle-atto_h5p-button-min.js             |    4 +-
 .../moodle-atto_html-beautify-min.js          |   20 +-
 .../moodle-atto_html-codemirror-min.js        |   74 +-
 .../moodle-atto_image-button-min.js           |    6 +-
 .../moodle-atto_link-button-min.js            |    2 +-
 .../moodle-atto_managefiles-button-min.js     |    2 +-
 .../moodle-atto_managefiles-usedfiles-min.js  |    2 +-
 .../moodle-atto_media-button-min.js           |    8 +-
 .../moodle-atto_recordrtc-button-min.js       |    2 +-
 .../moodle-atto_recordrtc-recording-min.js    |    4 +-
 .../moodle-atto_rtl-button-min.js             |    2 +-
 .../moodle-atto_table-button-min.js           |    8 +-
 .../moodle-atto_undo-button-min.js            |    2 +-
 .../moodle-editor_atto-editor-min.js          |   10 +-
 .../moodle-editor_atto-menu-min.js            |    2 +-
 .../moodle-editor_atto-plugin-min.js          |    4 +-
 .../moodle-editor_atto-rangy-min.js           |   33 +-
 lib/form/amd/build/events.min.js              |    2 +-
 .../moodle-form-dateselector-min.js           |    4 +-
 .../moodle-form-shortforms-min.js             |    2 +-
 lib/table/amd/build/dynamic.min.js            |    2 +-
 lib/table/amd/build/dynamic.min.js.map        |    2 +-
 .../moodle-core-actionmenu-min.js             |    4 +-
 .../moodle-core-blocks-min.js                 |    4 +-
 .../moodle-core-chooserdialogue-min.js        |    2 +-
 .../moodle-core-dragdrop-min.js               |    4 +-
 .../moodle-core-formchangechecker-min.js      |    2 +-
 .../moodle-core-languninstallconfirm-min.js   |    2 +-
 .../moodle-core-lockscroll-min.js             |    2 +-
 .../moodle-core-maintenancemodetimer-min.js   |    2 +-
 ...dle-core-notification-ajaxexception-min.js |    2 +-
 .../moodle-core-notification-alert-min.js     |    2 +-
 .../moodle-core-notification-confirm-min.js   |    2 +-
 .../moodle-core-notification-dialogue-min.js  |    4 +-
 .../moodle-core-notification-exception-min.js |    2 +-
 .../moodle-core-tooltip-min.js                |    2 +-
 .../moodle-core-widget-focusafterclose-min.js |    2 +-
 .../videojs/amd/build/Youtube-lazy.min.js     |    2 +-
 .../videojs/amd/build/Youtube-lazy.min.js.map |    2 +-
 .../videojs/amd/build/video-lazy.min.js       |    2 +-
 .../videojs/amd/build/video-lazy.min.js.map   |    2 +-
 .../amd/build/videojs-flash-lazy.min.js       |    2 +-
 .../amd/build/videojs-flash-lazy.min.js.map   |    2 +-
 .../amd/build/message_drawer_router.min.js    |    2 +-
 .../build/message_drawer_router.min.js.map    |    2 +-
 .../message_drawer_view_conversation.min.js   |    2 +-
 ...essage_drawer_view_conversation.min.js.map |    2 +-
 ...ge_drawer_view_conversation_patcher.min.js |    2 +-
 ...rawer_view_conversation_patcher.min.js.map |    2 +-
 ...essage_drawer_view_overview_section.min.js |    2 +-
 .../build/message_drawer_view_search.min.js   |    2 +-
 .../message_drawer_view_search.min.js.map     |    2 +-
 message/amd/build/message_send_bulk.min.js    |    2 +-
 ...oodle-message_airnotifier-toolboxes-min.js |    2 +-
 .../notification_area_control_area.min.js     |    2 +-
 .../notification_area_control_area.min.js.map |    2 +-
 ...oodle-assignfeedback_editpdf-editor-min.js |   18 +-
 .../moodle-mod_assign-history-min.js          |    2 +-
 .../amd/build/discussion_nested_v2.min.js     |    2 +-
 .../amd/build/discussion_nested_v2.min.js.map |    2 +-
 .../build/grades/expandconversation.min.js    |    2 +-
 .../grades/expandconversation.min.js.map      |    2 +-
 mod/forum/amd/build/grades/grader.min.js      |    2 +-
 mod/forum/amd/build/grades/grader.min.js.map  |    2 +-
 .../amd/build/local/grades/grader.min.js      |    2 +-
 .../amd/build/local/grades/grader.min.js.map  |    2 +-
 .../grades/local/grader/gradingpanel.min.js   |    2 +-
 .../grades/local/grader/user_picker.min.js    |    2 +-
 .../local/grader/user_picker.min.js.map       |    2 +-
 .../amd/build/local/layout/fullscreen.min.js  |    2 +-
 .../build/local/layout/fullscreen.min.js.map  |    2 +-
 .../moodle-mod_quiz-autosave-min.js           |    2 +-
 .../moodle-mod_quiz-dragdrop-min.js           |    4 +-
 .../moodle-mod_quiz-questionchooser-min.js    |    2 +-
 .../moodle-mod_quiz-quizbase-min.js           |    2 +-
 .../moodle-mod_quiz-toolboxes-min.js          |    6 +-
 .../moodle-mod_quiz-util-page-min.js          |    2 +-
 .../moodle-mod_quiz-util-slot-min.js          |    2 +-
 mod/workshop/amd/build/modform.min.js         |    2 +-
 npm-shrinkwrap.json                           | 8711 ++++++-----------
 package.json                                  |   23 +-
 .../moodle-question-chooser-min.js            |    2 +-
 .../moodle-question-searchform-min.js         |    2 +-
 ...moodle-report_eventlist-eventfilter-min.js |    2 +-
 .../moodle-report_loglive-fetchlogs-min.js    |    2 +-
 theme/boost/amd/build/bootstrap/alert.min.js  |    2 +-
 .../amd/build/bootstrap/alert.min.js.map      |    2 +-
 theme/boost/amd/build/bootstrap/button.min.js |    2 +-
 .../amd/build/bootstrap/button.min.js.map     |    2 +-
 .../boost/amd/build/bootstrap/carousel.min.js |    2 +-
 .../amd/build/bootstrap/carousel.min.js.map   |    2 +-
 .../boost/amd/build/bootstrap/collapse.min.js |    2 +-
 .../amd/build/bootstrap/collapse.min.js.map   |    2 +-
 .../boost/amd/build/bootstrap/dropdown.min.js |    2 +-
 .../amd/build/bootstrap/dropdown.min.js.map   |    2 +-
 theme/boost/amd/build/bootstrap/modal.min.js  |    2 +-
 .../amd/build/bootstrap/modal.min.js.map      |    2 +-
 .../boost/amd/build/bootstrap/popover.min.js  |    2 +-
 .../amd/build/bootstrap/popover.min.js.map    |    2 +-
 .../amd/build/bootstrap/scrollspy.min.js      |    2 +-
 .../amd/build/bootstrap/scrollspy.min.js.map  |    2 +-
 theme/boost/amd/build/bootstrap/tab.min.js    |    2 +-
 .../boost/amd/build/bootstrap/tab.min.js.map  |    2 +-
 theme/boost/amd/build/bootstrap/toast.min.js  |    2 +-
 .../amd/build/bootstrap/toast.min.js.map      |    2 +-
 .../build/bootstrap/tools/sanitizer.min.js    |    2 +-
 .../bootstrap/tools/sanitizer.min.js.map      |    2 +-
 .../boost/amd/build/bootstrap/tooltip.min.js  |    2 +-
 .../amd/build/bootstrap/tooltip.min.js.map    |    2 +-
 theme/boost/amd/build/loader.min.js           |    2 +-
 theme/boost/amd/build/loader.min.js.map       |    2 +-
 theme/boost/amd/build/pending.min.js          |    2 +-
 theme/boost/amd/build/pending.min.js.map      |    2 +-
 theme/boost/amd/build/scroll.min.js           |    2 +-
 theme/boost/amd/build/scroll.min.js.map       |    2 +-
 .../local/participants/bulkactions.min.js     |    2 +-
 .../local/participants/bulkactions.min.js.map |    2 +-
 .../local/participantsfilter/filter.min.js    |    2 +-
 .../participantsfilter/filter.min.js.map      |    2 +-
 .../filtertypes/courseid.min.js               |    2 +-
 .../filtertypes/courseid.min.js.map           |    2 +-
 .../filtertypes/keyword.min.js                |    2 +-
 .../filtertypes/keyword.min.js.map            |    2 +-
 user/amd/build/participants.min.js            |    2 +-
 user/amd/build/participants.min.js.map        |    2 +-
 user/amd/build/participantsfilter.min.js      |    2 +-
 user/amd/build/participantsfilter.min.js.map  |    2 +-
 user/amd/build/repository.min.js              |    2 +-
 user/amd/build/status_field.min.js            |    2 +-
 user/amd/build/status_field.min.js.map        |    2 +-
 235 files changed, 3458 insertions(+), 5948 deletions(-)

diff --git a/.eslintrc b/.eslintrc
index e44591a3b8d..3e3a87b06d1 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -211,7 +211,7 @@
       },
       // We're using babel transpiling so use their parser
       // for linting.
-      parser: 'babel-eslint',
+      parser: '@babel/eslint-parser',
       // Check AMD with some slightly stricter rules.
       rules: {
         'no-unused-vars': 'error',
@@ -242,7 +242,8 @@
       },
       parserOptions: {
         'ecmaVersion': 9,
-        'sourceType': 'module'
+        'sourceType': 'module',
+        'requireConfigFile': false,
       }
     }
   ]
diff --git a/admin/tool/capability/yui/build/moodle-tool_capability-search/moodle-tool_capability-search-min.js b/admin/tool/capability/yui/build/moodle-tool_capability-search/moodle-tool_capability-search-min.js
index 6520ca28100..43c93e0b5cc 100644
--- a/admin/tool/capability/yui/build/moodle-tool_capability-search/moodle-tool_capability-search-min.js
+++ b/admin/tool/capability/yui/build/moodle-tool_capability-search/moodle-tool_capability-search-min.js
@@ -1 +1 @@
-YUI.add("moodle-tool_capability-search",function(i,t){var e=function(){e.superclass.constructor.apply(this,arguments)};e.prototype={form:null,select:null,selectoptions:{},input:null,button:null,lastsearch:null,initializer:function(){this.form=i.one("#capability-overview-form"),this.select=this.form.one("select[data-search=capability]"),this.select.setStyle("minWidth",this.select.get("offsetWidth")),this.select.get("options").each(function(t){var e=t.get("value");this.selectoptions[e]=t},this),this.button=this.form.all("input[type=submit]"),this.lastsearch=this.form.one("input[name=search]");var t=i.Node.create('<div id="capabilitysearchui" data-fieldtype="text"></div>'),e=i.Node.create('<label for="capabilitysearch">'+this.get("strsearch")+"</label>");this.input=i.Node.create('<input type="text" id="capabilitysearch" />'),t.append(e).append(this.input),this.select.insert(t,"before"),this.input.on("keyup",this.typed,this),this.select.on("change",this.validate,this),this.lastsearch&&(this.input.set("value",this.lastsearch.get("value")),this.typed(),this.select.one("option[selected]")&&this.select.set("scrollTop",this.select.one("option[selected]").get("getX"))),this.validate()},validate:function(){this.button.set("disabled",""===this.select.get("value"))},typed:function(){var t,e=this.input.get("value"),i=0,s=null;for(t in this.lastsearch&&this.lastsearch.set("value",e),this.select.all("option").remove(),this.selectoptions)0<=t.indexOf(e)&&(i++,s=this.selectoptions[t],this.select.append(this.selectoptions[t]));0===i?this.input.addClass("error"):(this.input.removeClass("error"),1===i&&s.set("selected",!0)),this.validate()}},i.extend(e,i.Base,e.prototype,{NAME:"tool_capability-search",ATTRS:{strsearch:{}}}),M.tool_capability=M.tool_capability||{},M.tool_capability.init_capability_search=function(t){new e(t)}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
+YUI.add("moodle-tool_capability-search",function(i,t){var e=function(){e.superclass.constructor.apply(this,arguments)};i.extend(e,i.Base,e.prototype={form:null,select:null,selectoptions:{},input:null,button:null,lastsearch:null,initializer:function(){this.form=i.one("#capability-overview-form"),this.select=this.form.one("select[data-search=capability]"),this.select.setStyle("minWidth",this.select.get("offsetWidth")),this.select.get("options").each(function(t){var e=t.get("value");this.selectoptions[e]=t},this),this.button=this.form.all("input[type=submit]"),this.lastsearch=this.form.one("input[name=search]");var t=i.Node.create('<div id="capabilitysearchui" data-fieldtype="text"></div>'),e=i.Node.create('<label for="capabilitysearch">'+this.get("strsearch")+"</label>");this.input=i.Node.create('<input type="text" id="capabilitysearch" />'),t.append(e).append(this.input),this.select.insert(t,"before"),this.input.on("keyup",this.typed,this),this.select.on("change",this.validate,this),this.lastsearch&&(this.input.set("value",this.lastsearch.get("value")),this.typed(),this.select.one("option[selected]")&&this.select.set("scrollTop",this.select.one("option[selected]").get("getX"))),this.validate()},validate:function(){this.button.set("disabled",""===this.select.get("value"))},typed:function(){var t,e=this.input.get("value"),i=0,s=null;for(t in this.lastsearch&&this.lastsearch.set("value",e),this.select.all("option").remove(),this.selectoptions)0<=t.indexOf(e)&&(i++,s=this.selectoptions[t],this.select.append(this.selectoptions[t]));0===i?this.input.addClass("error"):(this.input.removeClass("error"),1===i&&s.set("selected",!0)),this.validate()}},{NAME:"tool_capability-search",ATTRS:{strsearch:{}}}),M.tool_capability=M.tool_capability||{},M.tool_capability.init_capability_search=function(t){new e(t)}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/data_deletion.min.js b/admin/tool/dataprivacy/amd/build/data_deletion.min.js
index 88f9f42ce41..fe2296d9825 100644
--- a/admin/tool/dataprivacy/amd/build/data_deletion.min.js
+++ b/admin/tool/dataprivacy/amd/build/data_deletion.min.js
@@ -1,2 +1,2 @@
-define ("tool_dataprivacy/data_deletion",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f){var h={MARK_FOR_DELETION:"[data-action=\"markfordeletion\"]",SELECT_ALL:"[data-action=\"selectall\"]"},i={SELECTCONTEXT:".selectcontext"},j=function(){this.registerEvents()};j.prototype.registerEvents=function(){a(h.MARK_FOR_DELETION).click(function(b){b.preventDefault();var c=[];a(i.SELECTCONTEXT).each(function(){var b=a(this);if(b.is(":checked")){c.push(b.val())}});g(c)});a(h.SELECT_ALL).change(function(b){b.preventDefault();var c=a(this);if(c.is(":checked")){a(i.SELECTCONTEXT).attr("checked","checked")}else{a(i.SELECTCONTEXT).removeAttr("checked")}})};function g(a){var g="";d.get_strings([{key:"confirm",component:"moodle"},{key:"confirmcontextdeletion",component:"tool_dataprivacy"}]).then(function(a){g=a[0];var b=a[1];return e.create({title:g,body:b,type:e.types.SAVE_CANCEL})}).then(function(d){d.setSaveButtonText(g);d.getRoot().on(f.save,function(){b.call([{methodname:"tool_dataprivacy_confirm_contexts_for_deletion",args:{ids:a}}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)});d.getRoot().on(f.hidden,function(){d.destroy()});return d}).done(function(a){a.show()}).fail(c.exception)}return j});
+define ("tool_dataprivacy/data_deletion",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f){var g={MARK_FOR_DELETION:"[data-action=\"markfordeletion\"]",SELECT_ALL:"[data-action=\"selectall\"]"},h={SELECTCONTEXT:".selectcontext"},i=function(){this.registerEvents()};i.prototype.registerEvents=function(){a(g.MARK_FOR_DELETION).click(function(b){b.preventDefault();var c=[];a(h.SELECTCONTEXT).each(function(){var b=a(this);if(b.is(":checked")){c.push(b.val())}});j(c)});a(g.SELECT_ALL).change(function(b){b.preventDefault();var c=a(this);if(c.is(":checked")){a(h.SELECTCONTEXT).attr("checked","checked")}else{a(h.SELECTCONTEXT).removeAttr("checked")}})};function j(a){var g="";d.get_strings([{key:"confirm",component:"moodle"},{key:"confirmcontextdeletion",component:"tool_dataprivacy"}]).then(function(a){g=a[0];var b=a[1];return e.create({title:g,body:b,type:e.types.SAVE_CANCEL})}).then(function(d){d.setSaveButtonText(g);d.getRoot().on(f.save,function(){b.call([{methodname:"tool_dataprivacy_confirm_contexts_for_deletion",args:{ids:a}}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)});d.getRoot().on(f.hidden,function(){d.destroy()});return d}).done(function(a){a.show()}).fail(c.exception)}return i});
 //# sourceMappingURL=data_deletion.min.js.map
diff --git a/admin/tool/dataprivacy/amd/build/defaultsactions.min.js b/admin/tool/dataprivacy/amd/build/defaultsactions.min.js
index fa8e7fcac27..e65b6b7ffa4 100644
--- a/admin/tool/dataprivacy/amd/build/defaultsactions.min.js
+++ b/admin/tool/dataprivacy/amd/build/defaultsactions.min.js
@@ -1,2 +1,2 @@
-define ("tool_dataprivacy/defaultsactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates"],function(a,b,c,d,f,g,h){var k={EDIT_LEVEL_DEFAULTS:"[data-action=\"edit-level-defaults\"]",NEW_ACTIVITY_DEFAULTS:"[data-action=\"new-activity-defaults\"]",EDIT_ACTIVITY_DEFAULTS:"[data-action=\"edit-activity-defaults\"]",DELETE_ACTIVITY_DEFAULTS:"[data-action=\"delete-activity-defaults\"]"},l=-1,m=function(){this.registerEvents()};m.prototype.registerEvents=function(){a(k.EDIT_LEVEL_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=e.data("category"),j=e.data("purpose"),k=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}}]),l=d.get_string("editdefaults","tool_dataprivacy",a("#defaults-header").text());a.when(k[0],k[1],l).then(function(a,b,c){var d=a.options,e=b.options;i(c,g,h,j,null,d,e,null);return!0}).catch(c.exception)});a(k.NEW_ACTIVITY_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}},{methodname:"tool_dataprivacy_get_activity_options",args:{nodefaults:!0}}]),j=d.get_string("addnewdefaults","tool_dataprivacy");a.when(h[0],h[1],h[2],j).then(function(a,b,c,d){var e=a.options,f=b.options,h=c.options;i(d,g,null,null,null,e,f,h);return!0}).catch(c.exception)});a(k.EDIT_ACTIVITY_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=e.data("category"),j=e.data("purpose"),k=e.data("activityname"),l=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}},{methodname:"tool_dataprivacy_get_activity_options",args:{}}]),m=d.get_string("editmoduledefaults","tool_dataprivacy");a.when(l[0],l[1],l[2],m).then(function(a,b,c,d){var e=a.options,f=b.options,l=c.options;i(d,g,h,j,k,e,f,l);return!0}).catch(c.exception)});a(k.DELETE_ACTIVITY_DEFAULTS).click(function(b){b.preventDefault();var e=a(this),i=e.data("contextlevel"),k=e.data("activityname"),m=e.data("activitydisplayname");f.create({title:d.get_string("deletedefaults","tool_dataprivacy",m),body:h.render("tool_dataprivacy/delete_activity_defaults",{activityname:m}),type:f.types.SAVE_CANCEL,large:!0}).then(function(a){a.setSaveButtonText(d.get_string("delete"));a.getRoot().on(g.save,function(){j(i,l,l,k,!1)});a.getRoot().on(g.hidden,function(){a.destroy()});a.show();return!0}).catch(c.exception)})};function i(b,d,e,i,k,l,m,n){if(null!==e){l.forEach(function(a){if(a.id===e){a.selected=!0}})}if(null!==i){m.forEach(function(a){if(a.id===i){a.selected=!0}})}var o={contextlevel:d,categoryoptions:l,purposeoptions:m};if(null!==n&&n.length){if(null===k){o.newactivitydefaults=!0}else{n.forEach(function(a){if(k===a.name){a.selected=!0}})}o.modemodule=!0;o.activityoptions=n}f.create({title:b,body:h.render("tool_dataprivacy/category_purpose_form",o),type:f.types.SAVE_CANCEL,large:!0}).then(function(b){b.getRoot().on(g.save,function(){var b=a("#activity"),c="undefined"!=typeof b?b.val():null,d=a("#override"),e="undefined"!=typeof d?d.is(":checked"):!1;j(a("#contextlevel").val(),a("#category").val(),a("#purpose").val(),c,e)});b.getRoot().on(g.hidden,function(){b.destroy()});b.show();return b}).catch(c.exception)}function j(a,c,d,e,f){b.call([{methodname:"tool_dataprivacy_set_context_defaults",args:{contextlevel:a,category:c,purpose:d,override:f,activity:e}}])[0].done(function(a){if(a.result){window.location.reload()}})}return{init:function init(){return new m}}});
+define ("tool_dataprivacy/defaultsactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates"],function(a,b,c,d,f,g,h){var i={EDIT_LEVEL_DEFAULTS:"[data-action=\"edit-level-defaults\"]",NEW_ACTIVITY_DEFAULTS:"[data-action=\"new-activity-defaults\"]",EDIT_ACTIVITY_DEFAULTS:"[data-action=\"edit-activity-defaults\"]",DELETE_ACTIVITY_DEFAULTS:"[data-action=\"delete-activity-defaults\"]"},j=-1,k=function(){this.registerEvents()};k.prototype.registerEvents=function(){a(i.EDIT_LEVEL_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=e.data("category"),i=e.data("purpose"),j=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}}]),k=d.get_string("editdefaults","tool_dataprivacy",a("#defaults-header").text());a.when(j[0],j[1],k).then(function(a,b,c){var d=a.options,e=b.options;l(c,g,h,i,null,d,e,null);return!0}).catch(c.exception)});a(i.NEW_ACTIVITY_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}},{methodname:"tool_dataprivacy_get_activity_options",args:{nodefaults:!0}}]),i=d.get_string("addnewdefaults","tool_dataprivacy");a.when(h[0],h[1],h[2],i).then(function(a,b,c,d){var e=a.options,f=b.options,h=c.options;l(d,g,null,null,null,e,f,h);return!0}).catch(c.exception)});a(i.EDIT_ACTIVITY_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=e.data("category"),i=e.data("purpose"),j=e.data("activityname"),k=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}},{methodname:"tool_dataprivacy_get_activity_options",args:{}}]),m=d.get_string("editmoduledefaults","tool_dataprivacy");a.when(k[0],k[1],k[2],m).then(function(a,b,c,d){var e=a.options,f=b.options,k=c.options;l(d,g,h,i,j,e,f,k);return!0}).catch(c.exception)});a(i.DELETE_ACTIVITY_DEFAULTS).click(function(b){b.preventDefault();var e=a(this),i=e.data("contextlevel"),k=e.data("activityname"),l=e.data("activitydisplayname");f.create({title:d.get_string("deletedefaults","tool_dataprivacy",l),body:h.render("tool_dataprivacy/delete_activity_defaults",{activityname:l}),type:f.types.SAVE_CANCEL,large:!0}).then(function(a){a.setSaveButtonText(d.get_string("delete"));a.getRoot().on(g.save,function(){m(i,j,j,k,!1)});a.getRoot().on(g.hidden,function(){a.destroy()});a.show();return!0}).catch(c.exception)})};function l(b,d,e,i,j,k,l,n){if(null!==e){k.forEach(function(a){if(a.id===e){a.selected=!0}})}if(null!==i){l.forEach(function(a){if(a.id===i){a.selected=!0}})}var o={contextlevel:d,categoryoptions:k,purposeoptions:l};if(null!==n&&n.length){if(null===j){o.newactivitydefaults=!0}else{n.forEach(function(a){if(j===a.name){a.selected=!0}})}o.modemodule=!0;o.activityoptions=n}f.create({title:b,body:h.render("tool_dataprivacy/category_purpose_form",o),type:f.types.SAVE_CANCEL,large:!0}).then(function(b){b.getRoot().on(g.save,function(){var b=a("#activity"),c="undefined"!=typeof b?b.val():null,d=a("#override"),e="undefined"!=typeof d?d.is(":checked"):!1;m(a("#contextlevel").val(),a("#category").val(),a("#purpose").val(),c,e)});b.getRoot().on(g.hidden,function(){b.destroy()});b.show();return b}).catch(c.exception)}function m(a,c,d,e,f){b.call([{methodname:"tool_dataprivacy_set_context_defaults",args:{contextlevel:a,category:c,purpose:d,override:f,activity:e}}])[0].done(function(a){if(a.result){window.location.reload()}})}return{init:function init(){return new k}}});
 //# sourceMappingURL=defaultsactions.min.js.map
diff --git a/admin/tool/dataprivacy/amd/build/myrequestactions.min.js b/admin/tool/dataprivacy/amd/build/myrequestactions.min.js
index a6ba75991d1..393feb16c39 100644
--- a/admin/tool/dataprivacy/amd/build/myrequestactions.min.js
+++ b/admin/tool/dataprivacy/amd/build/myrequestactions.min.js
@@ -1,2 +1,2 @@
-define ("tool_dataprivacy/myrequestactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates","core/pending"],function(a,b,c,d,e,f,g,h){var j={CANCEL_REQUEST:"[data-action=\"cancel\"]",CONTACT_DPO:"[data-action=\"contactdpo\"]"},k=function(){this.registerEvents()};k.prototype.registerEvents=function(){a(j.CANCEL_REQUEST).click(function(g){g.preventDefault();var h=a(this).data("requestid");d.get_strings([{key:"cancelrequest",component:"tool_dataprivacy"},{key:"cancelrequestconfirmation",component:"tool_dataprivacy"}]).then(function(a){var d=a[0],g=a[1];return e.create({title:d,body:g,type:e.types.SAVE_CANCEL}).then(function(a){a.setSaveButtonText(d);a.getRoot().on(f.save,function(){b.call([{methodname:"tool_dataprivacy_cancel_data_request",args:{requestid:h}}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)});a.getRoot().on(f.hidden,function(){a.destroy()});return a})}).done(function(a){a.show()}).fail(c.exception)});a(j.CONTACT_DPO).click(function(b){var j=new h("dataprivacy/crud:initModal:contactdpo");b.preventDefault();var k=a(this).data("replytoemail"),l="";d.get_strings([{key:"contactdataprotectionofficer",component:"tool_dataprivacy"},{key:"send",component:"tool_dataprivacy"}]).then(function(a){var b=a[0];l=a[1];return e.create({title:b,body:g.render("tool_dataprivacy/contact_dpo",{replytoemail:k}),type:e.types.SAVE_CANCEL,large:!0})}).then(function(b){b.setSaveButtonText(l);b.show();b.getRoot().on(f.save,function(b){var c=a("#message").val().trim();if(0===c.length){b.preventDefault();a("[data-region=\"messageinput\"]").addClass("has-danger notifyproblem");a("#id_error_message").removeAttr("hidden")}else{i(c)}});b.getRoot().on(f.hidden,function(){b.destroy()})}).then(j.resolve).catch(c.exception)})};function i(a){var e="success";b.call([{methodname:"tool_dataprivacy_contact_dpo",args:{message:a}}])[0].then(function(a){if(a.result){return d.get_string("requestsubmitted","tool_dataprivacy")}e="error";return a.warnings.join("<br>")}).done(function(a){c.addNotification({message:a,type:e})}).fail(c.exception)}return{init:function init(){return new k}}});
+define ("tool_dataprivacy/myrequestactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates","core/pending"],function(a,b,c,d,e,f,g,h){var i={CANCEL_REQUEST:"[data-action=\"cancel\"]",CONTACT_DPO:"[data-action=\"contactdpo\"]"},j=function(){this.registerEvents()};j.prototype.registerEvents=function(){a(i.CANCEL_REQUEST).click(function(g){g.preventDefault();var h=a(this).data("requestid");d.get_strings([{key:"cancelrequest",component:"tool_dataprivacy"},{key:"cancelrequestconfirmation",component:"tool_dataprivacy"}]).then(function(a){var d=a[0],g=a[1];return e.create({title:d,body:g,type:e.types.SAVE_CANCEL}).then(function(a){a.setSaveButtonText(d);a.getRoot().on(f.save,function(){b.call([{methodname:"tool_dataprivacy_cancel_data_request",args:{requestid:h}}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)});a.getRoot().on(f.hidden,function(){a.destroy()});return a})}).done(function(a){a.show()}).fail(c.exception)});a(i.CONTACT_DPO).click(function(b){var i=new h("dataprivacy/crud:initModal:contactdpo");b.preventDefault();var j=a(this).data("replytoemail"),l="";d.get_strings([{key:"contactdataprotectionofficer",component:"tool_dataprivacy"},{key:"send",component:"tool_dataprivacy"}]).then(function(a){var b=a[0];l=a[1];return e.create({title:b,body:g.render("tool_dataprivacy/contact_dpo",{replytoemail:j}),type:e.types.SAVE_CANCEL,large:!0})}).then(function(b){b.setSaveButtonText(l);b.show();b.getRoot().on(f.save,function(b){var c=a("#message").val().trim();if(0===c.length){b.preventDefault();a("[data-region=\"messageinput\"]").addClass("has-danger notifyproblem");a("#id_error_message").removeAttr("hidden")}else{k(c)}});b.getRoot().on(f.hidden,function(){b.destroy()})}).then(i.resolve).catch(c.exception)})};function k(a){var e="success";b.call([{methodname:"tool_dataprivacy_contact_dpo",args:{message:a}}])[0].then(function(a){if(a.result){return d.get_string("requestsubmitted","tool_dataprivacy")}e="error";return a.warnings.join("<br>")}).done(function(a){c.addNotification({message:a,type:e})}).fail(c.exception)}return{init:function init(){return new j}}});
 //# sourceMappingURL=myrequestactions.min.js.map
diff --git a/admin/tool/dataprivacy/amd/build/requestactions.min.js b/admin/tool/dataprivacy/amd/build/requestactions.min.js
index 3c081e89dda..a15474f55f7 100644
--- a/admin/tool/dataprivacy/amd/build/requestactions.min.js
+++ b/admin/tool/dataprivacy/amd/build/requestactions.min.js
@@ -1,2 +1,2 @@
-define ("tool_dataprivacy/requestactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates","tool_dataprivacy/data_request_modal","tool_dataprivacy/events"],function(a,b,c,d,e,f,g,h,i){var q={APPROVE_REQUEST:"[data-action=\"approve\"]",DENY_REQUEST:"[data-action=\"deny\"]",VIEW_REQUEST:"[data-action=\"view\"]",MARK_COMPLETE:"[data-action=\"complete\"]",CHANGE_BULK_ACTION:"[id=\"bulk-action\"]",CONFIRM_BULK_ACTION:"[id=\"confirm-bulk-action\"]",SELECT_ALL:"[data-action=\"selectall\"]"},r={APPROVE:1,DENY:2},s={SELECT_REQUEST:".selectrequests"},t=function(){this.registerEvents()};t.prototype.registerEvents=function(){a(q.VIEW_REQUEST).click(function(d){d.preventDefault();var k=a(this).data("requestid"),m=b.call([{methodname:"tool_dataprivacy_get_data_request",args:{requestid:k}}]);a.when(m[0]).then(function(a){if(a.result){return a.result}c.addNotification({message:a.warnings[0].message,type:"error"});return!1}).then(function(a){var b=g.render("tool_dataprivacy/request_details",a),c={approvedeny:a.approvedeny,canmarkcomplete:a.canmarkcomplete};return e.create({title:a.typename,body:b,type:h.TYPE,large:!0,templateContext:c})}).then(function(a){a.getRoot().on(i.approve,function(){o(i.approve,j(k))});a.getRoot().on(i.deny,function(){o(i.deny,l(k))});a.getRoot().on(i.complete,function(){p("tool_dataprivacy_mark_complete",{requestid:k})});a.getRoot().on(f.hidden,function(){a.destroy()});a.show()}).catch(c.exception)});a(q.APPROVE_REQUEST).click(function(b){b.preventDefault();var c=a(this).data("requestid");o(i.approve,j(c))});a(q.DENY_REQUEST).click(function(b){b.preventDefault();var c=a(this).data("requestid");o(i.deny,l(c))});a(q.MARK_COMPLETE).click(function(b){b.preventDefault();var c=a(this).data("requestid");o(i.complete,n(c))});a(q.CONFIRM_BULK_ACTION).click(function(){var b=[],e="",f={},g=[{key:"selectbulkaction",component:"tool_dataprivacy"},{key:"selectdatarequests",component:"tool_dataprivacy"},{key:"ok"}],h=parseInt(a("#bulk-action").val());if(h!=r.APPROVE&&h!=r.DENY){d.get_strings(g).done(function(a){c.alert("",a[0],a[2])}).fail(c.exception);return}a(".selectrequests:checked").each(function(){b.push(a(this).val())});if(1>b.length){d.get_strings(g).done(function(a){c.alert("",a[1],a[2])}).fail(c.exception);return}switch(h){case r.APPROVE:e=i.bulkApprove;f=k(b);break;case r.DENY:e=i.bulkDeny;f=m(b);}o(e,f)});a(q.SELECT_ALL).change(function(b){b.preventDefault();var c=a(this).is(":checked");a(s.SELECT_REQUEST).prop("checked",c)})};function j(a){return{wsfunction:"tool_dataprivacy_approve_data_request",wsparams:{requestid:a}}}function k(a){return{wsfunction:"tool_dataprivacy_bulk_approve_data_requests",wsparams:{requestids:a}}}function l(a){return{wsfunction:"tool_dataprivacy_deny_data_request",wsparams:{requestid:a}}}function m(a){return{wsfunction:"tool_dataprivacy_bulk_deny_data_requests",wsparams:{requestids:a}}}function n(a){return{wsfunction:"tool_dataprivacy_mark_complete",wsparams:{requestid:a}}}function o(a,b){var g=[];switch(a){case i.approve:g=[{key:"approverequest",component:"tool_dataprivacy"},{key:"confirmapproval",component:"tool_dataprivacy"}];break;case i.bulkApprove:g=[{key:"bulkapproverequests",component:"tool_dataprivacy"},{key:"confirmbulkapproval",component:"tool_dataprivacy"}];break;case i.deny:g=[{key:"denyrequest",component:"tool_dataprivacy"},{key:"confirmdenial",component:"tool_dataprivacy"}];break;case i.bulkDeny:g=[{key:"bulkdenyrequests",component:"tool_dataprivacy"},{key:"confirmbulkdenial",component:"tool_dataprivacy"}];break;case i.complete:g=[{key:"markcomplete",component:"tool_dataprivacy"},{key:"confirmcompletion",component:"tool_dataprivacy"}];break;}var h="";d.get_strings(g).then(function(a){h=a[0];var b=a[1];return e.create({title:h,body:b,type:e.types.SAVE_CANCEL})}).then(function(a){a.setSaveButtonText(h);a.getRoot().on(f.save,function(){p(b.wsfunction,b.wsparams)});a.getRoot().on(f.hidden,function(){a.destroy()});a.show()}).catch(c.exception)}function p(a,d){b.call([{methodname:a,args:d}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)}return t});
+define ("tool_dataprivacy/requestactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates","tool_dataprivacy/data_request_modal","tool_dataprivacy/events"],function(a,b,c,d,e,f,g,h,i){var j={APPROVE_REQUEST:"[data-action=\"approve\"]",DENY_REQUEST:"[data-action=\"deny\"]",VIEW_REQUEST:"[data-action=\"view\"]",MARK_COMPLETE:"[data-action=\"complete\"]",CHANGE_BULK_ACTION:"[id=\"bulk-action\"]",CONFIRM_BULK_ACTION:"[id=\"confirm-bulk-action\"]",SELECT_ALL:"[data-action=\"selectall\"]"},k={APPROVE:1,DENY:2},l={SELECT_REQUEST:".selectrequests"},m=function(){this.registerEvents()};m.prototype.registerEvents=function(){a(j.VIEW_REQUEST).click(function(d){d.preventDefault();var j=a(this).data("requestid"),k=b.call([{methodname:"tool_dataprivacy_get_data_request",args:{requestid:j}}]);a.when(k[0]).then(function(a){if(a.result){return a.result}c.addNotification({message:a.warnings[0].message,type:"error"});return!1}).then(function(a){var b=g.render("tool_dataprivacy/request_details",a),c={approvedeny:a.approvedeny,canmarkcomplete:a.canmarkcomplete};return e.create({title:a.typename,body:b,type:h.TYPE,large:!0,templateContext:c})}).then(function(a){a.getRoot().on(i.approve,function(){s(i.approve,n(j))});a.getRoot().on(i.deny,function(){s(i.deny,p(j))});a.getRoot().on(i.complete,function(){t("tool_dataprivacy_mark_complete",{requestid:j})});a.getRoot().on(f.hidden,function(){a.destroy()});a.show()}).catch(c.exception)});a(j.APPROVE_REQUEST).click(function(b){b.preventDefault();var c=a(this).data("requestid");s(i.approve,n(c))});a(j.DENY_REQUEST).click(function(b){b.preventDefault();var c=a(this).data("requestid");s(i.deny,p(c))});a(j.MARK_COMPLETE).click(function(b){b.preventDefault();var c=a(this).data("requestid");s(i.complete,r(c))});a(j.CONFIRM_BULK_ACTION).click(function(){var b=[],e="",f={},g=[{key:"selectbulkaction",component:"tool_dataprivacy"},{key:"selectdatarequests",component:"tool_dataprivacy"},{key:"ok"}],h=parseInt(a("#bulk-action").val());if(h!=k.APPROVE&&h!=k.DENY){d.get_strings(g).done(function(a){c.alert("",a[0],a[2])}).fail(c.exception);return}a(".selectrequests:checked").each(function(){b.push(a(this).val())});if(1>b.length){d.get_strings(g).done(function(a){c.alert("",a[1],a[2])}).fail(c.exception);return}switch(h){case k.APPROVE:e=i.bulkApprove;f=o(b);break;case k.DENY:e=i.bulkDeny;f=q(b);}s(e,f)});a(j.SELECT_ALL).change(function(b){b.preventDefault();var c=a(this).is(":checked");a(l.SELECT_REQUEST).prop("checked",c)})};function n(a){return{wsfunction:"tool_dataprivacy_approve_data_request",wsparams:{requestid:a}}}function o(a){return{wsfunction:"tool_dataprivacy_bulk_approve_data_requests",wsparams:{requestids:a}}}function p(a){return{wsfunction:"tool_dataprivacy_deny_data_request",wsparams:{requestid:a}}}function q(a){return{wsfunction:"tool_dataprivacy_bulk_deny_data_requests",wsparams:{requestids:a}}}function r(a){return{wsfunction:"tool_dataprivacy_mark_complete",wsparams:{requestid:a}}}function s(a,b){var g=[];switch(a){case i.approve:g=[{key:"approverequest",component:"tool_dataprivacy"},{key:"confirmapproval",component:"tool_dataprivacy"}];break;case i.bulkApprove:g=[{key:"bulkapproverequests",component:"tool_dataprivacy"},{key:"confirmbulkapproval",component:"tool_dataprivacy"}];break;case i.deny:g=[{key:"denyrequest",component:"tool_dataprivacy"},{key:"confirmdenial",component:"tool_dataprivacy"}];break;case i.bulkDeny:g=[{key:"bulkdenyrequests",component:"tool_dataprivacy"},{key:"confirmbulkdenial",component:"tool_dataprivacy"}];break;case i.complete:g=[{key:"markcomplete",component:"tool_dataprivacy"},{key:"confirmcompletion",component:"tool_dataprivacy"}];break;}var h="";d.get_strings(g).then(function(a){h=a[0];var b=a[1];return e.create({title:h,body:b,type:e.types.SAVE_CANCEL})}).then(function(a){a.setSaveButtonText(h);a.getRoot().on(f.save,function(){t(b.wsfunction,b.wsparams)});a.getRoot().on(f.hidden,function(){a.destroy()});a.show()}).catch(c.exception)}function t(a,d){b.call([{methodname:a,args:d}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)}return m});
 //# sourceMappingURL=requestactions.min.js.map
diff --git a/admin/tool/monitor/yui/build/moodle-tool_monitor-dropdown/moodle-tool_monitor-dropdown-min.js b/admin/tool/monitor/yui/build/moodle-tool_monitor-dropdown/moodle-tool_monitor-dropdown-min.js
index 2e8537e4ccb..d30bd3f47fd 100644
--- a/admin/tool/monitor/yui/build/moodle-tool_monitor-dropdown/moodle-tool_monitor-dropdown-min.js
+++ b/admin/tool/monitor/yui/build/moodle-tool_monitor-dropdown/moodle-tool_monitor-dropdown-min.js
@@ -1 +1 @@
-YUI.add("moodle-tool_monitor-dropdown",function(s,e){function t(){t.superclass.constructor.apply(this,arguments)}var n="#id_plugin",i="#id_eventname",a="option";s.extend(t,s.Base,{plugin:null,eventname:null,initializer:function(){this.plugin=s.one(n),this.eventname=s.one(i);var e=this.eventname.get("value");this.updateEventsList(),this.updateSelection(e),this.plugin.on("change",this.updateEventsList,this)},updateEventsList:function(){var n,e,t,i=this.plugin.get("value"),o="\\"+i+"\\";this.eventname.all(a).remove(!0),e=this.get("eventlist"),(t=s.Node.create('<option value="">'+e[""]+"</option>")).set("selected","selected"),this.eventname.appendChild(t),s.Object.each(e,function(e,t){t.substring(0,o.length)===o&&(n=s.Node.create('<option value="'+t+'">'+e+"</option>"),this.eventname.appendChild(n))},this)},updateSelection:function(t){this.eventname.get("options").each(function(e){e.get("value")===t&&e.set("selected","selected")},this)}},{NAME:"dropDown",ATTRS:{eventlist:null}}),s.namespace("M.tool_monitor.DropDown").init=function(e){return new t(e)}},"@VERSION@",{requires:["base","event","node"]});
\ No newline at end of file
+YUI.add("moodle-tool_monitor-dropdown",function(o,e){function t(){t.superclass.constructor.apply(this,arguments)}var n="#id_plugin",i="#id_eventname",s="option";o.extend(t,o.Base,{plugin:null,eventname:null,initializer:function(){this.plugin=o.one(n),this.eventname=o.one(i);var e=this.eventname.get("value");this.updateEventsList(),this.updateSelection(e),this.plugin.on("change",this.updateEventsList,this)},updateEventsList:function(){var n,e,t=this.plugin.get("value"),i="\\"+t+"\\";this.eventname.all(s).remove(!0),t=this.get("eventlist"),(e=o.Node.create('<option value="">'+t[""]+"</option>")).set("selected","selected"),this.eventname.appendChild(e),o.Object.each(t,function(e,t){t.substring(0,i.length)===i&&(n=o.Node.create('<option value="'+t+'">'+e+"</option>"),this.eventname.appendChild(n))},this)},updateSelection:function(t){this.eventname.get("options").each(function(e){e.get("value")===t&&e.set("selected","selected")},this)}},{NAME:"dropDown",ATTRS:{eventlist:null}}),o.namespace("M.tool_monitor.DropDown").init=function(e){return new t(e)}},"@VERSION@",{requires:["base","event","node"]});
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/managedocsactions.min.js b/admin/tool/policy/amd/build/managedocsactions.min.js
index e5a1692f384..01ff00fb88d 100644
--- a/admin/tool/policy/amd/build/managedocsactions.min.js
+++ b/admin/tool/policy/amd/build/managedocsactions.min.js
@@ -1,2 +1,2 @@
-define ("tool_policy/managedocsactions",["jquery","core/log","core/config","core/str","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f){"use strict";var h={LINKS:"[data-action]",MAKE_CURRENT:"[data-action=\"makecurrent\"]",INACTIVATE:"[data-action=\"inactivate\"]",DELETE:"[data-action=\"delete\"]"};function g(a){this.base=a;this.initEvents()}g.prototype.initEvents=function(){var g=this;g.base.on("click",h.LINKS,function(g){g.stopPropagation();var i=a(g.currentTarget),j,k;if(i.is(h.MAKE_CURRENT)){j=d.get_strings([{key:"activating",component:"tool_policy"},{key:"activateconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"activateconfirmyes",component:"tool_policy"}])}else if(i.is(h.INACTIVATE)){j=d.get_strings([{key:"inactivating",component:"tool_policy"},{key:"inactivatingconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"inactivatingconfirmyes",component:"tool_policy"}])}else if(i.is(h.DELETE)){j=d.get_strings([{key:"deleting",component:"tool_policy"},{key:"deleteconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"delete",component:"core"}])}else{b.error("unknown action type detected","tool_policy/managedocsactions");return}g.preventDefault();j.then(function(a){k=a;return e.create({title:k[0],body:k[1],type:e.types.SAVE_CANCEL})}).then(function(a){a.setSaveButtonText(k[2]);a.getRoot().on(f.save,function(){window.location.href=i.attr("href")+"&sesskey="+c.sesskey+"&confirm=1"});a.getRoot().on(f.hidden,function(){a.destroy()});a.show();return!0}).catch(function(a){b.error(a);return!1})})};return{init:function init(b){var c=a(document.getElementById(b));if(c.length){return new g(c)}else{throw new Error("managedocsactions: Invalid base element identifier")}}}});
+define ("tool_policy/managedocsactions",["jquery","core/log","core/config","core/str","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f){"use strict";var g={LINKS:"[data-action]",MAKE_CURRENT:"[data-action=\"makecurrent\"]",INACTIVATE:"[data-action=\"inactivate\"]",DELETE:"[data-action=\"delete\"]"};function h(a){this.base=a;this.initEvents()}h.prototype.initEvents=function(){var h=this;h.base.on("click",g.LINKS,function(h){h.stopPropagation();var i=a(h.currentTarget),j,k;if(i.is(g.MAKE_CURRENT)){j=d.get_strings([{key:"activating",component:"tool_policy"},{key:"activateconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"activateconfirmyes",component:"tool_policy"}])}else if(i.is(g.INACTIVATE)){j=d.get_strings([{key:"inactivating",component:"tool_policy"},{key:"inactivatingconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"inactivatingconfirmyes",component:"tool_policy"}])}else if(i.is(g.DELETE)){j=d.get_strings([{key:"deleting",component:"tool_policy"},{key:"deleteconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"delete",component:"core"}])}else{b.error("unknown action type detected","tool_policy/managedocsactions");return}h.preventDefault();j.then(function(a){k=a;return e.create({title:k[0],body:k[1],type:e.types.SAVE_CANCEL})}).then(function(a){a.setSaveButtonText(k[2]);a.getRoot().on(f.save,function(){window.location.href=i.attr("href")+"&sesskey="+c.sesskey+"&confirm=1"});a.getRoot().on(f.hidden,function(){a.destroy()});a.show();return!0}).catch(function(a){b.error(a);return!1})})};return{init:function init(b){var c=a(document.getElementById(b));if(c.length){return new h(c)}else{throw new Error("managedocsactions: Invalid base element identifier")}}}});
 //# sourceMappingURL=managedocsactions.min.js.map
diff --git a/admin/tool/usertours/amd/build/tour.min.js b/admin/tool/usertours/amd/build/tour.min.js
index 5be936aef0f..e7ce9378a8a 100644
--- a/admin/tool/usertours/amd/build/tour.min.js
+++ b/admin/tool/usertours/amd/build/tour.min.js
@@ -1,2 +1,2 @@
-define ("tool_usertours/tour",["exports","jquery","core/popper"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){e=function(a){return typeof a}}else{e=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return e(a)}function f(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function g(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function h(a,b,c){if(b)g(a.prototype,b);if(c)g(a,c);return a}var i=function(){function a(b){f(this,a);this.init(b)}h(a,[{key:"init",value:function init(a){this.eventHandlers={};this.reset();this.originalConfiguration=a||{};this.configure.apply(this,arguments);try{this.storage=window.sessionStorage;this.storageKey="tourstate_"+this.tourName}catch(a){this.storage=!1;this.storageKey=""}return this}},{key:"reset",value:function reset(){this.hide();this.eventHandlers=[];this.resetStepListeners();this.originalConfiguration={};this.steps=[];this.currentStepNumber=0;return this}},{key:"configure",value:function configure(a){var b=this;if("object"===e(a)){if("undefined"!=typeof a.tourName){this.tourName=a.tourName}if(a.eventHandlers){var c=function(c){a.eventHandlers[c].forEach(function(a){this.addEventHandler(c,a)},b)};for(var d in a.eventHandlers){c(d)}}this.resetStepDefaults(!0);if("object"===e(a.steps)){this.steps=a.steps}if("undefined"!=typeof a.template){this.templateContent=a.template}}this.checkMinimumRequirements();return this}},{key:"checkMinimumRequirements",value:function checkMinimumRequirements(){if(!this.tourName){throw new Error("Tour Name required")}if(!this.steps||!this.steps.length){throw new Error("Steps must be specified")}}},{key:"resetStepDefaults",value:function resetStepDefaults(a){if("undefined"==typeof a){a=!0}this.stepDefaults={};if(!a||"undefined"==typeof this.originalConfiguration.stepDefaults){this.setStepDefaults({})}else{this.setStepDefaults(this.originalConfiguration.stepDefaults)}return this}},{key:"setStepDefaults",value:function setStepDefaults(a){if(!this.stepDefaults){this.stepDefaults={}}b.default.extend(this.stepDefaults,{element:"",placement:"top",delay:0,moveOnClick:!1,moveAfterTime:0,orphan:!1,direction:1},a);return this}},{key:"getCurrentStepNumber",value:function getCurrentStepNumber(){return parseInt(this.currentStepNumber,10)}},{key:"setCurrentStepNumber",value:function setCurrentStepNumber(a){this.currentStepNumber=a;if(this.storage){try{this.storage.setItem(this.storageKey,a)}catch(a){if(a.code===DOMException.QUOTA_EXCEEDED_ERR){this.storage.removeItem(this.storageKey)}}}}},{key:"getNextStepNumber",value:function getNextStepNumber(a){if("undefined"==typeof a){a=this.getCurrentStepNumber()}var b=a+1;while(b<=this.steps.length){if(this.isStepPotentiallyVisible(this.getStepConfig(b))){return b}b++}return null}},{key:"getPreviousStepNumber",value:function getPreviousStepNumber(a){if("undefined"==typeof a){a=this.getCurrentStepNumber()}var b=a-1;while(0<=b){if(this.isStepPotentiallyVisible(this.getStepConfig(b))){return b}b--}return null}},{key:"isLastStep",value:function isLastStep(a){var b=this.getNextStepNumber(a);return null===b}},{key:"isFirstStep",value:function isFirstStep(a){var b=this.getPreviousStepNumber(a);return null===b}},{key:"isStepPotentiallyVisible",value:function isStepPotentiallyVisible(a){if(!a){return!1}if(this.isStepActuallyVisible(a)){return!0}if("undefined"!=typeof a.orphan&&a.orphan){return!0}if("undefined"!=typeof a.delay&&a.delay){return!0}return!1}},{key:"isStepActuallyVisible",value:function isStepActuallyVisible(a){if(!a){return!1}var b=this.getStepTarget(a);if(b&&b.length&&b.is(":visible")){return!!b.length}return!1}},{key:"next",value:function next(){return this.gotoStep(this.getNextStepNumber())}},{key:"previous",value:function previous(){return this.gotoStep(this.getPreviousStepNumber(),-1)}},{key:"gotoStep",value:function gotoStep(a,b){if(0>a){return this.endTour()}var c=this.getStepConfig(a);if(null===c){return this.endTour()}return this._gotoStep(c,b)}},{key:"_gotoStep",value:function _gotoStep(a,b){if(!a){return this.endTour()}if("undefined"!=typeof a.delay&&a.delay&&!a.delayed){a.delayed=!0;window.setTimeout(this._gotoStep.bind(this),a.delay,a,b);return this}else if(!a.orphan&&!this.isStepActuallyVisible(a)){var c=-1==b?"getPreviousStepNumber":"getNextStepNumber";return this.gotoStep(this[c](a.stepNumber),b)}this.hide();this.fireEventHandlers("beforeRender",a);this.renderStep(a);this.fireEventHandlers("afterRender",a);return this}},{key:"getStepConfig",value:function getStepConfig(a){if(null===a||0>a||a>=this.steps.length){return null}var c=this.normalizeStepConfig(this.steps[a]);c=b.default.extend(c,{stepNumber:a});return c}},{key:"normalizeStepConfig",value:function normalizeStepConfig(a){if("undefined"!=typeof a.reflex&&"undefined"==typeof a.moveAfterClick){a.moveAfterClick=a.reflex}if("undefined"!=typeof a.element&&"undefined"==typeof a.target){a.target=a.element}if("undefined"!=typeof a.content&&"undefined"==typeof a.body){a.body=a.content}a=b.default.extend({},this.stepDefaults,a);a=b.default.extend({},{attachTo:a.target,attachPoint:"after"},a);if(a.attachTo){a.attachTo=(0,b.default)(a.attachTo).first()}return a}},{key:"getStepTarget",value:function getStepTarget(a){if(a.target){return(0,b.default)(a.target)}return null}},{key:"fireEventHandlers",value:function fireEventHandlers(a,b){if("undefined"==typeof this.eventHandlers[a]){return this}this.eventHandlers[a].forEach(function(a){a.call(this,b)},this);return this}},{key:"addEventHandler",value:function addEventHandler(a,b){if("undefined"==typeof this.eventHandlers[a]){this.eventHandlers[a]=[]}this.eventHandlers[a].push(b);return this}},{key:"processStepListeners",value:function processStepListeners(a){this.listeners.push({node:this.currentStepNode,args:["click","[data-role=\"next\"]",b.default.proxy(this.next,this)]},{node:this.currentStepNode,args:["click","[data-role=\"previous\"]",b.default.proxy(this.previous,this)]},{node:this.currentStepNode,args:["click","[data-role=\"end\"]",b.default.proxy(this.endTour,this)]},{node:(0,b.default)("[data-flexitour=\"backdrop\"]"),args:["click",b.default.proxy(this.hide,this)]},{node:(0,b.default)("body"),args:["keydown",b.default.proxy(this.handleKeyDown,this)]});if(a.moveOnClick){var c=this.getStepTarget(a);this.listeners.push({node:c,args:["click",b.default.proxy(function(a){if(0===(0,b.default)(a.target).parents("[data-flexitour=\"container\"]").length){window.setTimeout(b.default.proxy(this.next,this),500)}},this)]})}this.listeners.forEach(function(a){a.node.on.apply(a.node,a.args)});return this}},{key:"resetStepListeners",value:function resetStepListeners(){if(this.listeners){this.listeners.forEach(function(a){a.node.off.apply(a.node,a.args)})}this.listeners=[];return this}},{key:"renderStep",value:function renderStep(a){this.currentStepConfig=a;this.setCurrentStepNumber(a.stepNumber);var c=(0,b.default)(this.getTemplateContent());c.find("[data-placeholder=\"title\"]").html(a.title);c.find("[data-placeholder=\"body\"]").html(a.body);if(this.isFirstStep(a.stepNumber)){c.find("[data-role=\"previous\"]").hide()}else{c.find("[data-role=\"previous\"]").prop("disabled",!1)}if(this.isLastStep(a.stepNumber)){c.find("[data-role=\"next\"]").hide();c.find("[data-role=\"end\"]").removeClass("btn-secondary").addClass("btn-primary")}else{c.find("[data-role=\"next\"]").prop("disabled",!1)}c.find("[data-role=\"previous\"]").attr("role","button");c.find("[data-role=\"next\"]").attr("role","button");c.find("[data-role=\"end\"]").attr("role","button");a.template=c;this.addStepToPage(a);this.processStepListeners(a);return this}},{key:"getTemplateContent",value:function getTemplateContent(){return(0,b.default)(this.templateContent).clone()}},{key:"addStepToPage",value:function addStepToPage(a){var d=(0,b.default)("<span data-flexitour=\"container\"></span>").html(a.template).hide(),e=(0,b.default)("body, html").stop(!0,!0);if(this.isStepActuallyVisible(a)){var f=this.getStepTarget(a);f.data("flexitour","target");var g=this.calculateZIndex(f);if(g){a.zIndex=g+1}if(a.zIndex){d.css("zIndex",a.zIndex+1)}this.positionBackdrop(a);(0,b.default)(document.body).append(d);this.currentStepNode=d;this.currentStepNode.css({top:0,left:0});e.animate({scrollTop:this.calculateScrollTop(a)}).promise().then(function(){this.positionStep(a);this.revealStep(a)}.bind(this)).catch(function(){})}else if(a.orphan){a.isOrphan=!0;a.attachTo=(0,b.default)("body").first();a.attachPoint="append";this.positionBackdrop(a);d.addClass("orphan");(0,b.default)(document.body).append(d);this.currentStepNode=d;this.currentStepNode.offset(this.calculateStepPositionInPage());this.currentStepNode.css("position","fixed");this.currentStepPopper=new c.default((0,b.default)("body"),this.currentStepNode[0],{removeOnDestroy:!0,placement:a.placement+"-start",arrowElement:"[data-role=\"arrow\"]",modifiers:{hide:{enabled:!1},applyStyle:{onLoad:null,enabled:!1}}});this.revealStep(a)}return this}},{key:"revealStep",value:function revealStep(a){this.currentStepNode.fadeIn("",b.default.proxy(function(){this.announceStep(a);this.currentStepNode.focus();window.setTimeout(b.default.proxy(function(){if(this.currentStepNode){this.currentStepNode.focus()}},this),100)},this));return this}},{key:"announceStep",value:function announceStep(a){var b="tour-step-"+this.tourName+"-"+a.stepNumber;this.currentStepNode.attr("id",b);var c=this.currentStepNode.find("[data-placeholder=\"body\"]").first();c.attr("id",b+"-body");c.attr("role","document");var d=this.currentStepNode.find("[data-placeholder=\"title\"]").first();d.attr("id",b+"-title");d.attr("aria-labelledby",b+"-body");this.currentStepNode.attr("role","dialog");this.currentStepNode.attr("tabindex",0);this.currentStepNode.attr("aria-labelledby",b+"-title");this.currentStepNode.attr("aria-describedby",b+"-body");var e=this.getStepTarget(a);if(e){if(!e.attr("tabindex")){e.attr("tabindex",0)}e.data("original-describedby",e.attr("aria-describedby")).attr("aria-describedby",b+"-body")}this.accessibilityShow(a);return this}},{key:"handleKeyDown",value:function handleKeyDown(a){var c="a[href], link[href], [draggable=true], [contenteditable=true], ";c+=":input:enabled, [tabindex], button:enabled";switch(a.keyCode){case 27:this.endTour();break;case 9:(function(){if(!this.currentStepConfig.hasBackdrop){return}var d=(0,b.default)(document.activeElement),e=this.getStepTarget(this.currentStepConfig),f=(0,b.default)(c),g=(0,b.default)("span[data-flexitour=\"container\"]"),h;if(e){f=f.filter(function(a,b){return null!==e&&(e.has(b).length||g.has(b).length||e.is(b)||g.is(b))})}f.each(function(a,b){if(d.is(b)){h=a;return!1}return!0});var i,j,k;if(void 0!=h){var l=1;if(a.shiftKey){l=-1}i=h;do{i+=l;j=(0,b.default)(f[i])}while(j.length&&j.is(":disabled")||j.is(":hidden"));if(j.length){k=j.closest(e).length;k=k||j.closest(this.currentStepNode).length}else{k=!1}}if(k){j.focus()}else{if(a.shiftKey){this.currentStepNode.find(c).last().focus()}else{if(this.currentStepConfig.isOrphan){this.currentStepNode.focus()}else{e.focus()}}}a.preventDefault()}).call(this);break;}}},{key:"startTour",value:function startTour(a){if(this.storage&&"undefined"==typeof a){var b=this.storage.getItem(this.storageKey);if(b){var c=parseInt(b,10);if(c<=this.steps.length){a=c}}}if("undefined"==typeof a){a=this.getCurrentStepNumber()}this.fireEventHandlers("beforeStart",a);this.gotoStep(a);this.fireEventHandlers("afterStart",a);return this}},{key:"restartTour",value:function restartTour(){return this.startTour(0)}},{key:"endTour",value:function endTour(){this.fireEventHandlers("beforeEnd");if(this.currentStepConfig){var a=this.getStepTarget(this.currentStepConfig);if(a){if(!a.attr("tabindex")){a.attr("tabindex","-1")}a.focus()}}this.hide(!0);this.fireEventHandlers("afterEnd");return this}},{key:"hide",value:function hide(a){this.fireEventHandlers("beforeHide");if(this.currentStepNode&&this.currentStepNode.length){this.currentStepNode.hide();if(this.currentStepPopper){this.currentStepPopper.destroy()}}if(this.currentStepConfig){var d=this.getStepTarget(this.currentStepConfig);if(d){if(d.data("original-labelledby")){d.attr("aria-labelledby",d.data("original-labelledby"))}if(d.data("original-describedby")){d.attr("aria-describedby",d.data("original-describedby"))}if(d.data("original-tabindex")){d.attr("tabindex",d.data("tabindex"))}}this.currentStepConfig=null}var c=0;if(a){c=400}(0,b.default)("[data-flexitour=\"step-background\"]").remove();(0,b.default)("[data-flexitour=\"step-backdrop\"]").removeAttr("data-flexitour");(0,b.default)("[data-flexitour=\"backdrop\"]").fadeOut(c,function(){(0,b.default)(this).remove()});if(this.currentStepNode&&this.currentStepNode.length){var e=this.currentStepNode.attr("id");if(e){var f="[aria-describedby=\""+e+"-body\"]";(0,b.default)(f).removeAttr("tabindex");(0,b.default)(f).removeAttr("aria-describedby")}}this.resetStepListeners();this.accessibilityHide();this.fireEventHandlers("afterHide");this.currentStepNode=null;this.currentStepPopper=null;return this}},{key:"show",value:function show(){var a=this.getCurrentStepNumber();return this.gotoStep(a)}},{key:"getStepContainer",value:function getStepContainer(){return(0,b.default)(this.currentStepNode)}},{key:"calculateScrollTop",value:function calculateScrollTop(a){var c=(0,b.default)(window).scrollTop(),d=(0,b.default)(window).height(),e=this.getStepTarget(a);if("top"===a.placement){c=e.offset().top-d/2}else if("bottom"===a.placement){c=e.offset().top+e.height()-d/2}else if(e.height()<=.8*d){c=e.offset().top-(d-e.height())/2}else{c=e.offset().top-.2*d}c=Math.max(0,c);c=Math.min((0,b.default)(document).height()-d,c);return Math.ceil(c)}},{key:"calculateStepPositionInPage",value:function calculateStepPositionInPage(){var a=(0,b.default)(window).height(),c=this.currentStepNode.height(),d=(0,b.default)(window).width(),e=this.currentStepNode.width();return{top:Math.ceil((a-c)/2),left:Math.ceil((d-e)/2)}}},{key:"positionStep",value:function positionStep(a){var d=this.currentStepNode;if(!d||!d.length){return this}var e;switch(a.placement){case"left":e=["left","right","top","bottom"];break;case"right":e=["right","left","top","bottom"];break;case"top":e=["top","bottom","right","left"];break;case"bottom":e=["bottom","top","right","left"];break;default:e="flip";break;}var f=this.getStepTarget(a),g={placement:a.placement+"-start",removeOnDestroy:!0,modifiers:{flip:{behaviour:e},arrow:{element:"[data-role=\"arrow\"]"}},onCreate:function onCreate(a){h(a)},onUpdate:function onUpdate(a){h(a)}},h=function(a){var c=a.placement.split("-")[0],d=-1!==["left","right"].indexOf(c),e=a.instance.popper.querySelector("[data-role=\"arrow\"]"),f=(0,b.default)(a.instance.popper.querySelector("[data-role=\"flexitour-step\"]"));if(d){var g=parseFloat(window.getComputedStyle(e).height),h=parseFloat(window.getComputedStyle(e).top),i=parseFloat(window.getComputedStyle(a.instance.popper).height),j=parseFloat(window.getComputedStyle(a.instance.popper).top),k=parseFloat(f.css("borderTopWidth")),l=2*parseFloat(f.css("borderTopLeftRadius")),m=h+g/2,n=i+j-k-l,o=j+k+l;if(m>=n||m<=o){var y=0;if(m>i/2){y=n-g}else{y=o+g}(0,b.default)(e).css("top",y)}}else{var p=parseFloat(window.getComputedStyle(e).width),q=parseFloat(window.getComputedStyle(e).left),r=parseFloat(window.getComputedStyle(a.instance.popper).width),s=parseFloat(window.getComputedStyle(a.instance.popper).left),t=parseFloat(f.css("borderTopWidth")),u=2*parseFloat(f.css("borderTopLeftRadius")),v=q+p/2,w=r+s-t-u,x=s+t+u;if(v>=w||v<=x){var z=0;if(v>r/2){z=w-p}else{z=x+p}(0,b.default)(e).css("left",z)}}},i=(0,b.default)("[data-flexitour=\"step-background\"]");if(i.length){f=i}this.currentStepPopper=new c.default(f,d[0],g);return this}},{key:"positionBackdrop",value:function positionBackdrop(a){if(a.backdrop){this.currentStepConfig.hasBackdrop=!0;var g=(0,b.default)("<div data-flexitour=\"backdrop\"></div>");if(a.zIndex){if("append"===a.attachPoint){a.attachTo.append(g)}else{g.insertAfter(a.attachTo)}}else{(0,b.default)("body").append(g)}if(this.isStepActuallyVisible(a)){var c=(0,b.default)("<div data-flexitour=\"step-background\"></div>"),d=this.getStepTarget(a),e=10,f=d;if(e){f=(0,b.default)("body")}c.css({width:d.outerWidth()+e+e,height:d.outerHeight()+e+e,left:d.offset().left-e,top:d.offset().top-e,backgroundColor:this.calculateInherittedBackgroundColor(f)});if(d.offset().left<e){c.css({width:d.outerWidth()+d.offset().left+e,left:d.offset().left})}if(d.offset().top<e){c.css({height:d.outerHeight()+d.offset().top+e,top:d.offset().top})}var h=d.css("borderRadius");if(h&&h!==(0,b.default)("body").css("borderRadius")){c.css("borderRadius",h)}var i=this.calculatePosition(d);if("fixed"===i){c.css("top",0)}else if("absolute"===i){c.css("position","fixed")}var j=c.clone();j.css({backgroundColor:g.css("backgroundColor"),opacity:g.css("opacity")});j.attr("data-flexitour","step-background-fader");if(a.zIndex){if("append"===a.attachPoint){a.attachTo.append(c)}else{j.insertAfter(a.attachTo);c.insertAfter(a.attachTo)}}else{(0,b.default)("body").append(j);(0,b.default)("body").append(c)}d.attr("data-flexitour","step-backdrop");if(a.zIndex){g.css("zIndex",a.zIndex);c.css("zIndex",a.zIndex+1);d.css("zIndex",a.zIndex+2)}j.fadeOut("2000",function(){(0,b.default)(this).remove()})}}return this}},{key:"calculateZIndex",value:function calculateZIndex(a){a=(0,b.default)(a);while(a.length&&a[0]!==document){var c=a.css("position");if("absolute"===c||"relative"===c||"fixed"===c){var d=parseInt(a.css("zIndex"),10);if(!isNaN(d)&&0!==d){return d}}a=a.parent()}return 0}},{key:"calculateInherittedBackgroundColor",value:function calculateInherittedBackgroundColor(a){var c=(0,b.default)("<div>").hide();(0,b.default)("body").append(c);var d=c.css("backgroundColor");c.remove();a=(0,b.default)(a);while(a.length&&a[0]!==document){var e=a.css("backgroundColor");if(e!==d){return e}a=a.parent()}return null}},{key:"calculatePosition",value:function calculatePosition(a){a=(0,b.default)(a);while(a.length&&a[0]!==document){var c=a.css("position");if("static"!==c){return c}a=a.parent()}return null}},{key:"accessibilityShow",value:function accessibilityShow(){var a="aria-hidden",c=function(b){var c=b.data("flexitour");if(c){switch(c){case"container":case"target":return;}}var d=b.attr(a);if(!d){b.attr("data-has-hidden",!0);b.attr(a,!0)}};this.currentStepNode.siblings().each(function(a,d){c((0,b.default)(d))});this.currentStepNode.parentsUntil("body").siblings().each(function(a,d){c((0,b.default)(d))})}},{key:"accessibilityHide",value:function accessibilityHide(){var a=function(a){var b=a.attr("data-has-hidden");if("undefined"!=typeof b){a.removeAttr("data-has-hidden");a.removeAttr("aria-hidden")}};(0,b.default)("[data-has-hidden]").each(function(c,d){a((0,b.default)(d))})}}]);return a}();a.default=i;return a.default});
+define ("tool_usertours/tour",["exports","jquery","core/popper"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";return e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e(a)}function f(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function g(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function h(a,b,c){if(b)g(a.prototype,b);if(c)g(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var i=function(){function a(b){f(this,a);this.init(b)}h(a,[{key:"init",value:function init(a){this.eventHandlers={};this.reset();this.originalConfiguration=a||{};this.configure.apply(this,arguments);try{this.storage=window.sessionStorage;this.storageKey="tourstate_"+this.tourName}catch(a){this.storage=!1;this.storageKey=""}return this}},{key:"reset",value:function reset(){this.hide();this.eventHandlers=[];this.resetStepListeners();this.originalConfiguration={};this.steps=[];this.currentStepNumber=0;return this}},{key:"configure",value:function configure(a){var b=this;if("object"===e(a)){if("undefined"!=typeof a.tourName){this.tourName=a.tourName}if(a.eventHandlers){var c=function(c){a.eventHandlers[c].forEach(function(a){this.addEventHandler(c,a)},b)};for(var d in a.eventHandlers){c(d)}}this.resetStepDefaults(!0);if("object"===e(a.steps)){this.steps=a.steps}if("undefined"!=typeof a.template){this.templateContent=a.template}}this.checkMinimumRequirements();return this}},{key:"checkMinimumRequirements",value:function checkMinimumRequirements(){if(!this.tourName){throw new Error("Tour Name required")}if(!this.steps||!this.steps.length){throw new Error("Steps must be specified")}}},{key:"resetStepDefaults",value:function resetStepDefaults(a){if("undefined"==typeof a){a=!0}this.stepDefaults={};if(!a||"undefined"==typeof this.originalConfiguration.stepDefaults){this.setStepDefaults({})}else{this.setStepDefaults(this.originalConfiguration.stepDefaults)}return this}},{key:"setStepDefaults",value:function setStepDefaults(a){if(!this.stepDefaults){this.stepDefaults={}}b.default.extend(this.stepDefaults,{element:"",placement:"top",delay:0,moveOnClick:!1,moveAfterTime:0,orphan:!1,direction:1},a);return this}},{key:"getCurrentStepNumber",value:function getCurrentStepNumber(){return parseInt(this.currentStepNumber,10)}},{key:"setCurrentStepNumber",value:function setCurrentStepNumber(a){this.currentStepNumber=a;if(this.storage){try{this.storage.setItem(this.storageKey,a)}catch(a){if(a.code===DOMException.QUOTA_EXCEEDED_ERR){this.storage.removeItem(this.storageKey)}}}}},{key:"getNextStepNumber",value:function getNextStepNumber(a){if("undefined"==typeof a){a=this.getCurrentStepNumber()}var b=a+1;while(b<=this.steps.length){if(this.isStepPotentiallyVisible(this.getStepConfig(b))){return b}b++}return null}},{key:"getPreviousStepNumber",value:function getPreviousStepNumber(a){if("undefined"==typeof a){a=this.getCurrentStepNumber()}var b=a-1;while(0<=b){if(this.isStepPotentiallyVisible(this.getStepConfig(b))){return b}b--}return null}},{key:"isLastStep",value:function isLastStep(a){var b=this.getNextStepNumber(a);return null===b}},{key:"isFirstStep",value:function isFirstStep(a){var b=this.getPreviousStepNumber(a);return null===b}},{key:"isStepPotentiallyVisible",value:function isStepPotentiallyVisible(a){if(!a){return!1}if(this.isStepActuallyVisible(a)){return!0}if("undefined"!=typeof a.orphan&&a.orphan){return!0}if("undefined"!=typeof a.delay&&a.delay){return!0}return!1}},{key:"isStepActuallyVisible",value:function isStepActuallyVisible(a){if(!a){return!1}var b=this.getStepTarget(a);if(b&&b.length&&b.is(":visible")){return!!b.length}return!1}},{key:"next",value:function next(){return this.gotoStep(this.getNextStepNumber())}},{key:"previous",value:function previous(){return this.gotoStep(this.getPreviousStepNumber(),-1)}},{key:"gotoStep",value:function gotoStep(a,b){if(0>a){return this.endTour()}var c=this.getStepConfig(a);if(null===c){return this.endTour()}return this._gotoStep(c,b)}},{key:"_gotoStep",value:function _gotoStep(a,b){if(!a){return this.endTour()}if("undefined"!=typeof a.delay&&a.delay&&!a.delayed){a.delayed=!0;window.setTimeout(this._gotoStep.bind(this),a.delay,a,b);return this}else if(!a.orphan&&!this.isStepActuallyVisible(a)){var c=-1==b?"getPreviousStepNumber":"getNextStepNumber";return this.gotoStep(this[c](a.stepNumber),b)}this.hide();this.fireEventHandlers("beforeRender",a);this.renderStep(a);this.fireEventHandlers("afterRender",a);return this}},{key:"getStepConfig",value:function getStepConfig(a){if(null===a||0>a||a>=this.steps.length){return null}var c=this.normalizeStepConfig(this.steps[a]);c=b.default.extend(c,{stepNumber:a});return c}},{key:"normalizeStepConfig",value:function normalizeStepConfig(a){if("undefined"!=typeof a.reflex&&"undefined"==typeof a.moveAfterClick){a.moveAfterClick=a.reflex}if("undefined"!=typeof a.element&&"undefined"==typeof a.target){a.target=a.element}if("undefined"!=typeof a.content&&"undefined"==typeof a.body){a.body=a.content}a=b.default.extend({},this.stepDefaults,a);a=b.default.extend({},{attachTo:a.target,attachPoint:"after"},a);if(a.attachTo){a.attachTo=(0,b.default)(a.attachTo).first()}return a}},{key:"getStepTarget",value:function getStepTarget(a){if(a.target){return(0,b.default)(a.target)}return null}},{key:"fireEventHandlers",value:function fireEventHandlers(a,b){if("undefined"==typeof this.eventHandlers[a]){return this}this.eventHandlers[a].forEach(function(a){a.call(this,b)},this);return this}},{key:"addEventHandler",value:function addEventHandler(a,b){if("undefined"==typeof this.eventHandlers[a]){this.eventHandlers[a]=[]}this.eventHandlers[a].push(b);return this}},{key:"processStepListeners",value:function processStepListeners(a){this.listeners.push({node:this.currentStepNode,args:["click","[data-role=\"next\"]",b.default.proxy(this.next,this)]},{node:this.currentStepNode,args:["click","[data-role=\"previous\"]",b.default.proxy(this.previous,this)]},{node:this.currentStepNode,args:["click","[data-role=\"end\"]",b.default.proxy(this.endTour,this)]},{node:(0,b.default)("[data-flexitour=\"backdrop\"]"),args:["click",b.default.proxy(this.hide,this)]},{node:(0,b.default)("body"),args:["keydown",b.default.proxy(this.handleKeyDown,this)]});if(a.moveOnClick){var c=this.getStepTarget(a);this.listeners.push({node:c,args:["click",b.default.proxy(function(a){if(0===(0,b.default)(a.target).parents("[data-flexitour=\"container\"]").length){window.setTimeout(b.default.proxy(this.next,this),500)}},this)]})}this.listeners.forEach(function(a){a.node.on.apply(a.node,a.args)});return this}},{key:"resetStepListeners",value:function resetStepListeners(){if(this.listeners){this.listeners.forEach(function(a){a.node.off.apply(a.node,a.args)})}this.listeners=[];return this}},{key:"renderStep",value:function renderStep(a){this.currentStepConfig=a;this.setCurrentStepNumber(a.stepNumber);var c=(0,b.default)(this.getTemplateContent());c.find("[data-placeholder=\"title\"]").html(a.title);c.find("[data-placeholder=\"body\"]").html(a.body);if(this.isFirstStep(a.stepNumber)){c.find("[data-role=\"previous\"]").hide()}else{c.find("[data-role=\"previous\"]").prop("disabled",!1)}if(this.isLastStep(a.stepNumber)){c.find("[data-role=\"next\"]").hide();c.find("[data-role=\"end\"]").removeClass("btn-secondary").addClass("btn-primary")}else{c.find("[data-role=\"next\"]").prop("disabled",!1)}c.find("[data-role=\"previous\"]").attr("role","button");c.find("[data-role=\"next\"]").attr("role","button");c.find("[data-role=\"end\"]").attr("role","button");a.template=c;this.addStepToPage(a);this.processStepListeners(a);return 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b="tour-step-"+this.tourName+"-"+a.stepNumber;this.currentStepNode.attr("id",b);var c=this.currentStepNode.find("[data-placeholder=\"body\"]").first();c.attr("id",b+"-body");c.attr("role","document");var d=this.currentStepNode.find("[data-placeholder=\"title\"]").first();d.attr("id",b+"-title");d.attr("aria-labelledby",b+"-body");this.currentStepNode.attr("role","dialog");this.currentStepNode.attr("tabindex",0);this.currentStepNode.attr("aria-labelledby",b+"-title");this.currentStepNode.attr("aria-describedby",b+"-body");var e=this.getStepTarget(a);if(e){if(!e.attr("tabindex")){e.attr("tabindex",0)}e.data("original-describedby",e.attr("aria-describedby")).attr("aria-describedby",b+"-body")}this.accessibilityShow(a);return this}},{key:"handleKeyDown",value:function handleKeyDown(a){var c="a[href], link[href], [draggable=true], [contenteditable=true], ";c+=":input:enabled, [tabindex], button:enabled";switch(a.keyCode){case 27:this.endTour();break;case 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 //# sourceMappingURL=tour.min.js.map
diff --git a/admin/tool/usertours/amd/build/tour.min.js.map b/admin/tool/usertours/amd/build/tour.min.js.map
index bc48f5c2787..ec4113fd15e 100644
--- a/admin/tool/usertours/amd/build/tour.min.js.map
+++ b/admin/tool/usertours/amd/build/tour.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage user tours in Moodle.\n *\n * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Popper from 'core/popper';\n\n/**\n * A Tour.\n *\n * @class Tour\n */\nexport default class Tour {\n    /**\n     * @param   {object}    config  The configuration object.\n     */\n    constructor(config) {\n        this.init(config);\n    }\n\n    /**\n     * Initialise the tour.\n     *\n     * @method  init\n     * @param   {Object}    config  The configuration object.\n     * @chainable\n     * @return {Object} this.\n     */\n    init(config) {\n        // Unset all handlers.\n        this.eventHandlers = {};\n\n        // Reset the current tour states.\n        this.reset();\n\n        // Store the initial configuration.\n        this.originalConfiguration = config || {};\n\n        // Apply configuration.\n        this.configure.apply(this, arguments);\n\n        try {\n            this.storage = window.sessionStorage;\n            this.storageKey = 'tourstate_' + this.tourName;\n        } catch (e) {\n            this.storage = false;\n            this.storageKey = '';\n        }\n\n        return this;\n    }\n\n    /**\n     * Reset the current tour state.\n     *\n     * @method  reset\n     * @chainable\n     * @return {Object} this.\n     */\n    reset() {\n        // Hide the current step.\n        this.hide();\n\n        // Unset all handlers.\n        this.eventHandlers = [];\n\n        // Unset all listeners.\n        this.resetStepListeners();\n\n        // Unset the original configuration.\n        this.originalConfiguration = {};\n\n        // Reset the current step number and list of steps.\n        this.steps = [];\n\n        // Reset the current step number.\n        this.currentStepNumber = 0;\n\n        return this;\n    }\n\n    /**\n     * Prepare tour configuration.\n     *\n     * @method  configure\n     * @param {Object} config The configuration object.\n     * @chainable\n     * @return {Object} this.\n     */\n    configure(config) {\n        if (typeof config === 'object') {\n            // Tour name.\n            if (typeof config.tourName !== 'undefined') {\n                this.tourName = config.tourName;\n            }\n\n            // Set up eventHandlers.\n            if (config.eventHandlers) {\n                for (let eventName in config.eventHandlers) {\n                    config.eventHandlers[eventName].forEach(function(handler) {\n                        this.addEventHandler(eventName, handler);\n                    }, this);\n                }\n            }\n\n            // Reset the step configuration.\n            this.resetStepDefaults(true);\n\n            // Configure the steps.\n            if (typeof config.steps === 'object') {\n                this.steps = config.steps;\n            }\n\n            if (typeof config.template !== 'undefined') {\n                this.templateContent = config.template;\n            }\n        }\n\n        // Check that we have enough to start the tour.\n        this.checkMinimumRequirements();\n\n        return this;\n    }\n\n    /**\n     * Check that the configuration meets the minimum requirements.\n     *\n     * @method  checkMinimumRequirements\n     */\n    checkMinimumRequirements() {\n        // Need a tourName.\n        if (!this.tourName) {\n            throw new Error(\"Tour Name required\");\n        }\n\n        // Need a minimum of one step.\n        if (!this.steps || !this.steps.length) {\n            throw new Error(\"Steps must be specified\");\n        }\n    }\n\n    /**\n     * Reset step default configuration.\n     *\n     * @method  resetStepDefaults\n     * @param   {Boolean}   loadOriginalConfiguration   Whether to load the original configuration supplied with the Tour.\n     * @chainable\n     * @return {Object} this.\n     */\n    resetStepDefaults(loadOriginalConfiguration) {\n        if (typeof loadOriginalConfiguration === 'undefined') {\n            loadOriginalConfiguration = true;\n        }\n\n        this.stepDefaults = {};\n        if (!loadOriginalConfiguration || typeof this.originalConfiguration.stepDefaults === 'undefined') {\n            this.setStepDefaults({});\n        } else {\n            this.setStepDefaults(this.originalConfiguration.stepDefaults);\n        }\n\n        return this;\n    }\n\n    /**\n     * Set the step defaults.\n     *\n     * @method  setStepDefaults\n     * @param   {Object}    stepDefaults                The step defaults to apply to all steps\n     * @chainable\n     * @return {Object} this.\n     */\n    setStepDefaults(stepDefaults) {\n        if (!this.stepDefaults) {\n            this.stepDefaults = {};\n        }\n        $.extend(\n            this.stepDefaults,\n            {\n                element:        '',\n                placement:      'top',\n                delay:          0,\n                moveOnClick:    false,\n                moveAfterTime:  0,\n                orphan:         false,\n                direction:      1,\n            },\n            stepDefaults\n        );\n\n        return this;\n    }\n\n    /**\n     * Retrieve the current step number.\n     *\n     * @method  getCurrentStepNumber\n     * @return  {Integer}                   The current step number\n     */\n    getCurrentStepNumber() {\n        return parseInt(this.currentStepNumber, 10);\n    }\n\n    /**\n     * Store the current step number.\n     *\n     * @method  setCurrentStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @chainable\n     */\n    setCurrentStepNumber(stepNumber) {\n        this.currentStepNumber = stepNumber;\n        if (this.storage) {\n            try {\n                this.storage.setItem(this.storageKey, stepNumber);\n            } catch (e) {\n                if (e.code === DOMException.QUOTA_EXCEEDED_ERR) {\n                    this.storage.removeItem(this.storageKey);\n                }\n            }\n        }\n    }\n\n    /**\n     * Get the next step number after the currently displayed step.\n     *\n     * @method  getNextStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @return  {Integer}    The next step number to display\n     */\n    getNextStepNumber(stepNumber) {\n        if (typeof stepNumber === 'undefined') {\n            stepNumber = this.getCurrentStepNumber();\n        }\n        let nextStepNumber = stepNumber + 1;\n\n        // Keep checking the remaining steps.\n        while (nextStepNumber <= this.steps.length) {\n            if (this.isStepPotentiallyVisible(this.getStepConfig(nextStepNumber))) {\n                return nextStepNumber;\n            }\n            nextStepNumber++;\n        }\n\n        return null;\n    }\n\n    /**\n     * Get the previous step number before the currently displayed step.\n     *\n     * @method  getPreviousStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @return  {Integer}    The previous step number to display\n     */\n    getPreviousStepNumber(stepNumber) {\n        if (typeof stepNumber === 'undefined') {\n            stepNumber = this.getCurrentStepNumber();\n        }\n        let previousStepNumber = stepNumber - 1;\n\n        // Keep checking the remaining steps.\n        while (previousStepNumber >= 0) {\n            if (this.isStepPotentiallyVisible(this.getStepConfig(previousStepNumber))) {\n                return previousStepNumber;\n            }\n            previousStepNumber--;\n        }\n\n        return null;\n    }\n\n    /**\n     * Is the step the final step number?\n     *\n     * @method  isLastStep\n     * @param   {Integer}   stepNumber  Step number to test\n     * @return  {Boolean}               Whether the step is the final step\n     */\n    isLastStep(stepNumber) {\n        let nextStepNumber = this.getNextStepNumber(stepNumber);\n\n        return nextStepNumber === null;\n    }\n\n    /**\n     * Is the step the first step number?\n     *\n     * @method  isFirstStep\n     * @param   {Integer}   stepNumber  Step number to test\n     * @return  {Boolean}               Whether the step is the first step\n     */\n    isFirstStep(stepNumber) {\n        let previousStepNumber = this.getPreviousStepNumber(stepNumber);\n\n        return previousStepNumber === null;\n    }\n\n    /**\n     * Is this step potentially visible?\n     *\n     * @method  isStepPotentiallyVisible\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Boolean}               Whether the step is the potentially visible\n     */\n    isStepPotentiallyVisible(stepConfig) {\n        if (!stepConfig) {\n            // Without step config, there can be no step.\n            return false;\n        }\n\n        if (this.isStepActuallyVisible(stepConfig)) {\n            // If it is actually visible, it is already potentially visible.\n            return true;\n        }\n\n        if (typeof stepConfig.orphan !== 'undefined' && stepConfig.orphan) {\n            // Orphan steps have no target. They are always visible.\n            return true;\n        }\n\n        if (typeof stepConfig.delay !== 'undefined' && stepConfig.delay) {\n            // Only return true if the activated has not been used yet.\n            return true;\n        }\n\n        // Not theoretically, or actually visible.\n        return false;\n    }\n\n    /**\n     * Is this step actually visible?\n     *\n     * @method  isStepActuallyVisible\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Boolean}               Whether the step is actually visible\n     */\n    isStepActuallyVisible(stepConfig) {\n        if (!stepConfig) {\n            // Without step config, there can be no step.\n            return false;\n        }\n\n        let target = this.getStepTarget(stepConfig);\n        if (target && target.length && target.is(':visible')) {\n            // Without a target, there can be no step.\n            return !!target.length;\n        }\n\n        return false;\n    }\n\n    /**\n     * Go to the next step in the tour.\n     *\n     * @method  next\n     * @chainable\n     * @return {Object} this.\n     */\n    next() {\n        return this.gotoStep(this.getNextStepNumber());\n    }\n\n    /**\n     * Go to the previous step in the tour.\n     *\n     * @method  previous\n     * @chainable\n     * @return {Object} this.\n     */\n    previous() {\n        return this.gotoStep(this.getPreviousStepNumber(), -1);\n    }\n\n    /**\n     * Go to the specified step in the tour.\n     *\n     * @method  gotoStep\n     * @param   {Integer}   stepNumber     The step number to display\n     * @param   {Integer}   direction      Next or previous step\n     * @chainable\n     * @return {Object} this.\n     */\n    gotoStep(stepNumber, direction) {\n        if (stepNumber < 0) {\n            return this.endTour();\n        }\n\n        let stepConfig = this.getStepConfig(stepNumber);\n        if (stepConfig === null) {\n            return this.endTour();\n        }\n\n        return this._gotoStep(stepConfig, direction);\n    }\n\n    _gotoStep(stepConfig, direction) {\n        if (!stepConfig) {\n            return this.endTour();\n        }\n\n        if (typeof stepConfig.delay !== 'undefined' && stepConfig.delay && !stepConfig.delayed) {\n            stepConfig.delayed = true;\n            window.setTimeout(this._gotoStep.bind(this), stepConfig.delay, stepConfig, direction);\n\n            return this;\n        } else if (!stepConfig.orphan && !this.isStepActuallyVisible(stepConfig)) {\n            let fn = direction == -1 ? 'getPreviousStepNumber' : 'getNextStepNumber';\n            return this.gotoStep(this[fn](stepConfig.stepNumber), direction);\n        }\n\n        this.hide();\n\n        this.fireEventHandlers('beforeRender', stepConfig);\n        this.renderStep(stepConfig);\n        this.fireEventHandlers('afterRender', stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Fetch the normalised step configuration for the specified step number.\n     *\n     * @method  getStepConfig\n     * @param   {Integer}   stepNumber      The step number to fetch configuration for\n     * @return  {Object}                    The step configuration\n     */\n    getStepConfig(stepNumber) {\n        if (stepNumber === null || stepNumber < 0 || stepNumber >= this.steps.length) {\n            return null;\n        }\n\n        // Normalise the step configuration.\n        let stepConfig = this.normalizeStepConfig(this.steps[stepNumber]);\n\n        // Add the stepNumber to the stepConfig.\n        stepConfig = $.extend(stepConfig, {stepNumber: stepNumber});\n\n        return stepConfig;\n    }\n\n    /**\n     * Normalise the supplied step configuration.\n     *\n     * @method  normalizeStepConfig\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Object}                    The normalised step configuration\n     */\n    normalizeStepConfig(stepConfig) {\n\n        if (typeof stepConfig.reflex !== 'undefined' && typeof stepConfig.moveAfterClick === 'undefined') {\n            stepConfig.moveAfterClick = stepConfig.reflex;\n        }\n\n        if (typeof stepConfig.element !== 'undefined' && typeof stepConfig.target === 'undefined') {\n            stepConfig.target = stepConfig.element;\n        }\n\n        if (typeof stepConfig.content !== 'undefined' && typeof stepConfig.body === 'undefined') {\n            stepConfig.body = stepConfig.content;\n        }\n\n        stepConfig = $.extend({}, this.stepDefaults, stepConfig);\n\n        stepConfig = $.extend({}, {\n            attachTo: stepConfig.target,\n            attachPoint: 'after',\n        }, stepConfig);\n\n        if (stepConfig.attachTo) {\n            stepConfig.attachTo = $(stepConfig.attachTo).first();\n        }\n\n        return stepConfig;\n    }\n\n    /**\n     * Fetch the actual step target from the selector.\n     *\n     * This should not be called until after any delay has completed.\n     *\n     * @method  getStepTarget\n     * @param   {Object}    stepConfig      The step configuration\n     * @return  {$}\n     */\n    getStepTarget(stepConfig) {\n        if (stepConfig.target) {\n            return $(stepConfig.target);\n        }\n\n        return null;\n    }\n\n    /**\n     * Fire any event handlers for the specified event.\n     *\n     * @param   {String}    eventName       The name of the event to handle\n     * @param   {Object}    data            Any data to pass to the event\n     * @chainable\n     * @return {Object} this.\n     */\n    fireEventHandlers(eventName, data) {\n        if (typeof this.eventHandlers[eventName] === 'undefined') {\n            return this;\n        }\n\n        this.eventHandlers[eventName].forEach(function(thisEvent) {\n            thisEvent.call(this, data);\n        }, this);\n\n        return this;\n    }\n\n    /**\n     * @method addEventHandler\n     * @param  {string}      eventName       The name of the event to listen for\n     * @param  {function}    handler         The event handler to call\n     * @return {Object} this.\n     */\n    addEventHandler(eventName, handler) {\n        if (typeof this.eventHandlers[eventName] === 'undefined') {\n            this.eventHandlers[eventName] = [];\n        }\n\n        this.eventHandlers[eventName].push(handler);\n\n        return this;\n    }\n\n    /**\n     * Process listeners for the step being shown.\n     *\n     * @method  processStepListeners\n     * @param   {object}    stepConfig      The configuration for the step\n     * @chainable\n     * @return {Object} this.\n     */\n    processStepListeners(stepConfig) {\n        this.listeners.push(\n        // Next/Previous buttons.\n        {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"next\"]', $.proxy(this.next, this)]\n        }, {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"previous\"]', $.proxy(this.previous, this)]\n        },\n\n        // Close and end tour buttons.\n        {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"end\"]', $.proxy(this.endTour, this)]\n        },\n\n        // Click backdrop and hide tour.\n        {\n            node: $('[data-flexitour=\"backdrop\"]'),\n            args: ['click', $.proxy(this.hide, this)]\n        },\n\n        // Keypresses.\n        {\n            node: $('body'),\n            args: ['keydown', $.proxy(this.handleKeyDown, this)]\n        });\n\n        if (stepConfig.moveOnClick) {\n            var targetNode = this.getStepTarget(stepConfig);\n            this.listeners.push({\n                node: targetNode,\n                args: ['click', $.proxy(function(e) {\n                    if ($(e.target).parents('[data-flexitour=\"container\"]').length === 0) {\n                        // Ignore clicks when they are in the flexitour.\n                        window.setTimeout($.proxy(this.next, this), 500);\n                    }\n                }, this)]\n            });\n        }\n\n        this.listeners.forEach(function (listener) {\n            listener.node.on.apply(listener.node, listener.args);\n        });\n\n        return this;\n    }\n\n    /**\n     * Reset step listeners.\n     *\n     * @method  resetStepListeners\n     * @chainable\n     * @return {Object} this.\n     */\n    resetStepListeners() {\n        // Stop listening to all external handlers.\n        if (this.listeners) {\n            this.listeners.forEach(function(listener) {\n                listener.node.off.apply(listener.node, listener.args);\n            });\n        }\n        this.listeners = [];\n\n        return this;\n    }\n\n    /**\n     * The standard step renderer.\n     *\n     * @method  renderStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    renderStep(stepConfig) {\n        // Store the current step configuration for later.\n        this.currentStepConfig = stepConfig;\n        this.setCurrentStepNumber(stepConfig.stepNumber);\n\n        // Fetch the template and convert it to a $ object.\n        let template = $(this.getTemplateContent());\n\n        // Title.\n        template.find('[data-placeholder=\"title\"]')\n            .html(stepConfig.title);\n\n        // Body.\n        template.find('[data-placeholder=\"body\"]')\n            .html(stepConfig.body);\n\n        // Is this the first step?\n        if (this.isFirstStep(stepConfig.stepNumber)) {\n            template.find('[data-role=\"previous\"]').hide();\n        } else {\n            template.find('[data-role=\"previous\"]').prop('disabled', false);\n        }\n\n        // Is this the final step?\n        if (this.isLastStep(stepConfig.stepNumber)) {\n            template.find('[data-role=\"next\"]').hide();\n            template.find('[data-role=\"end\"]').removeClass(\"btn-secondary\").addClass(\"btn-primary\");\n        } else {\n            template.find('[data-role=\"next\"]').prop('disabled', false);\n        }\n\n        template.find('[data-role=\"previous\"]').attr('role', 'button');\n        template.find('[data-role=\"next\"]').attr('role', 'button');\n        template.find('[data-role=\"end\"]').attr('role', 'button');\n\n        // Replace the template with the updated version.\n        stepConfig.template = template;\n\n        // Add to the page.\n        this.addStepToPage(stepConfig);\n\n        // Process step listeners after adding to the page.\n        // This uses the currentNode.\n        this.processStepListeners(stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Getter for the template content.\n     *\n     * @method  getTemplateContent\n     * @return  {$}\n     */\n    getTemplateContent() {\n        return $(this.templateContent).clone();\n    }\n\n    /**\n     * Helper to add a step to the page.\n     *\n     * @method  addStepToPage\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    addStepToPage(stepConfig) {\n        // Create the stepNode from the template data.\n        let currentStepNode = $('<span data-flexitour=\"container\"></span>')\n            .html(stepConfig.template)\n            .hide();\n\n        // The scroll animation occurs on the body or html.\n        let animationTarget = $('body, html')\n            .stop(true, true);\n\n        if (this.isStepActuallyVisible(stepConfig)) {\n            let targetNode = this.getStepTarget(stepConfig);\n\n            targetNode.data('flexitour', 'target');\n\n            let zIndex = this.calculateZIndex(targetNode);\n            if (zIndex) {\n                stepConfig.zIndex = zIndex + 1;\n            }\n\n            if (stepConfig.zIndex) {\n                currentStepNode.css('zIndex', stepConfig.zIndex + 1);\n            }\n\n            // Add the backdrop.\n            this.positionBackdrop(stepConfig);\n\n            $(document.body).append(currentStepNode);\n            this.currentStepNode = currentStepNode;\n\n            // Ensure that the step node is positioned.\n            // Some situations mean that the value is not properly calculated without this step.\n            this.currentStepNode.css({\n                top: 0,\n                left: 0,\n            });\n\n            animationTarget\n                .animate({\n                    scrollTop: this.calculateScrollTop(stepConfig),\n                }).promise().then(function() {\n                        this.positionStep(stepConfig);\n                        this.revealStep(stepConfig);\n                        return;\n                    }.bind(this))\n                    .catch(function() {\n                        // Silently fail.\n                    });\n\n        } else if (stepConfig.orphan) {\n            stepConfig.isOrphan = true;\n\n            // This will be appended to the body instead.\n            stepConfig.attachTo = $('body').first();\n            stepConfig.attachPoint = 'append';\n\n            // Add the backdrop.\n            this.positionBackdrop(stepConfig);\n\n            // This is an orphaned step.\n            currentStepNode.addClass('orphan');\n\n            // It lives in the body.\n            $(document.body).append(currentStepNode);\n            this.currentStepNode = currentStepNode;\n\n            this.currentStepNode.offset(this.calculateStepPositionInPage());\n            this.currentStepNode.css('position', 'fixed');\n\n            this.currentStepPopper = new Popper(\n                $('body'),\n                this.currentStepNode[0], {\n                    removeOnDestroy: true,\n                    placement: stepConfig.placement + '-start',\n                    arrowElement: '[data-role=\"arrow\"]',\n                    // Empty the modifiers. We've already placed the step and don't want it moved.\n                    modifiers: {\n                        hide: {\n                            enabled: false,\n                        },\n                        applyStyle: {\n                            onLoad: null,\n                            enabled: false,\n                        },\n                    }\n                }\n            );\n\n            this.revealStep(stepConfig);\n        }\n\n        return this;\n    }\n\n    /**\n     * Make the given step visible.\n     *\n     * @method revealStep\n     * @param {Object} stepConfig The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    revealStep(stepConfig) {\n        // Fade the step in.\n        this.currentStepNode.fadeIn('', $.proxy(function() {\n                // Announce via ARIA.\n                this.announceStep(stepConfig);\n\n                // Focus on the current step Node.\n                this.currentStepNode.focus();\n                window.setTimeout($.proxy(function() {\n                    // After a brief delay, focus again.\n                    // There seems to be an issue with Jaws where it only reads the dialogue title initially.\n                    // This second focus helps it to read the full dialogue.\n                    if (this.currentStepNode) {\n                        this.currentStepNode.focus();\n                    }\n                }, this), 100);\n\n            }, this));\n\n        return this;\n    }\n\n    /**\n     * Helper to announce the step on the page.\n     *\n     * @method  announceStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    announceStep(stepConfig) {\n        // Setup the step Dialogue as per:\n        // * https://www.w3.org/TR/wai-aria-practices/#dialog_nonmodal\n        // * https://www.w3.org/TR/wai-aria-practices/#dialog_modal\n\n        // Generate an ID for the current step node.\n        let stepId = 'tour-step-' + this.tourName + '-' + stepConfig.stepNumber;\n        this.currentStepNode.attr('id', stepId);\n\n        let bodyRegion = this.currentStepNode.find('[data-placeholder=\"body\"]').first();\n        bodyRegion.attr('id', stepId + '-body');\n        bodyRegion.attr('role', 'document');\n\n        let headerRegion = this.currentStepNode.find('[data-placeholder=\"title\"]').first();\n        headerRegion.attr('id', stepId + '-title');\n        headerRegion.attr('aria-labelledby', stepId + '-body');\n\n        // Generally, a modal dialog has a role of dialog.\n        this.currentStepNode.attr('role', 'dialog');\n        this.currentStepNode.attr('tabindex', 0);\n        this.currentStepNode.attr('aria-labelledby', stepId + '-title');\n        this.currentStepNode.attr('aria-describedby', stepId + '-body');\n\n        // Configure ARIA attributes on the target.\n        let target = this.getStepTarget(stepConfig);\n        if (target) {\n            if (!target.attr('tabindex')) {\n                target.attr('tabindex', 0);\n            }\n\n            target\n                .data('original-describedby', target.attr('aria-describedby'))\n                .attr('aria-describedby', stepId + '-body')\n                ;\n        }\n\n        this.accessibilityShow(stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Handle key down events.\n     *\n     * @method  handleKeyDown\n     * @param   {EventFacade} e\n     */\n    handleKeyDown(e) {\n        let tabbableSelector = 'a[href], link[href], [draggable=true], [contenteditable=true], ';\n        tabbableSelector += ':input:enabled, [tabindex], button:enabled';\n        switch (e.keyCode) {\n            case 27:\n                this.endTour();\n                break;\n\n            // 9 == Tab - trap focus for items with a backdrop.\n            case 9:\n                // Tab must be handled on key up only in this instance.\n                (function() {\n                    if (!this.currentStepConfig.hasBackdrop) {\n                        // Trapping tab focus is only handled for those steps with a backdrop.\n                        return;\n                    }\n\n                    // Find all tabbable locations.\n                    let activeElement = $(document.activeElement);\n                    let stepTarget = this.getStepTarget(this.currentStepConfig);\n                    let tabbableNodes = $(tabbableSelector);\n                    let dialogContainer = $('span[data-flexitour=\"container\"]');\n                    let currentIndex;\n                    // Filter out element which is not belong to target section or dialogue.\n                    if (stepTarget) {\n                        tabbableNodes = tabbableNodes.filter(function(index, element) {\n                            return stepTarget !== null\n                                && (stepTarget.has(element).length\n                                    || dialogContainer.has(element).length\n                                    || stepTarget.is(element)\n                                    || dialogContainer.is(element));\n                        });\n                    }\n\n                    // Find index of focusing element.\n                    tabbableNodes.each(function(index, element) {\n                        if (activeElement.is(element)) {\n                            currentIndex = index;\n                            return false;\n                        }\n                        // Keep looping.\n                        return true;\n                    });\n\n                    let nextIndex;\n                    let nextNode;\n                    let focusRelevant;\n                    if (currentIndex != void 0) {\n                        let direction = 1;\n                        if (e.shiftKey) {\n                            direction = -1;\n                        }\n                        nextIndex = currentIndex;\n                        do {\n                            nextIndex += direction;\n                            nextNode = $(tabbableNodes[nextIndex]);\n                        } while (nextNode.length && nextNode.is(':disabled') || nextNode.is(':hidden'));\n                        if (nextNode.length) {\n                            // A new f\n                            focusRelevant = nextNode.closest(stepTarget).length;\n                            focusRelevant = focusRelevant || nextNode.closest(this.currentStepNode).length;\n                        } else {\n                            // Unable to find the target somehow.\n                            focusRelevant = false;\n                        }\n                    }\n\n                    if (focusRelevant) {\n                        nextNode.focus();\n                    } else {\n                        if (e.shiftKey) {\n                            // Focus on the last tabbable node in the step.\n                            this.currentStepNode.find(tabbableSelector).last().focus();\n                        } else {\n                            if (this.currentStepConfig.isOrphan) {\n                                // Focus on the step - there is no target.\n                                this.currentStepNode.focus();\n                            } else {\n                                // Focus on the step target.\n                                stepTarget.focus();\n                            }\n                        }\n                    }\n                    e.preventDefault();\n                }).call(this);\n                break;\n        }\n    }\n\n    /**\n     * Start the current tour.\n     *\n     * @method  startTour\n     * @param   {Integer}   startAt     Which step number to start at. If not specified, starts at the last point.\n     * @chainable\n     * @return {Object} this.\n     */\n    startTour(startAt) {\n        if (this.storage && typeof startAt === 'undefined') {\n            let storageStartValue = this.storage.getItem(this.storageKey);\n            if (storageStartValue) {\n                let storageStartAt = parseInt(storageStartValue, 10);\n                if (storageStartAt <= this.steps.length) {\n                    startAt = storageStartAt;\n                }\n            }\n        }\n\n        if (typeof startAt === 'undefined') {\n            startAt = this.getCurrentStepNumber();\n        }\n\n        this.fireEventHandlers('beforeStart', startAt);\n        this.gotoStep(startAt);\n        this.fireEventHandlers('afterStart', startAt);\n\n        return this;\n    }\n\n    /**\n     * Restart the tour from the beginning, resetting the completionlag.\n     *\n     * @method  restartTour\n     * @chainable\n     * @return {Object} this.\n     */\n    restartTour() {\n        return this.startTour(0);\n    }\n\n    /**\n     * End the current tour.\n     *\n     * @method  endTour\n     * @chainable\n     * @return {Object} this.\n     */\n    endTour() {\n        this.fireEventHandlers('beforeEnd');\n\n        if (this.currentStepConfig) {\n            let previousTarget = this.getStepTarget(this.currentStepConfig);\n            if (previousTarget) {\n                if (!previousTarget.attr('tabindex')) {\n                    previousTarget.attr('tabindex', '-1');\n                }\n                previousTarget.focus();\n            }\n        }\n\n        this.hide(true);\n\n        this.fireEventHandlers('afterEnd');\n\n        return this;\n    }\n\n    /**\n     * Hide any currently visible steps.\n     *\n     * @method hide\n     * @param {Bool} transition Animate the visibility change\n     * @chainable\n     * @return {Object} this.\n     */\n    hide(transition) {\n        this.fireEventHandlers('beforeHide');\n\n        if (this.currentStepNode && this.currentStepNode.length) {\n            this.currentStepNode.hide();\n            if (this.currentStepPopper) {\n                this.currentStepPopper.destroy();\n            }\n        }\n\n        // Restore original target configuration.\n        if (this.currentStepConfig) {\n            let target = this.getStepTarget(this.currentStepConfig);\n            if (target) {\n                if (target.data('original-labelledby')) {\n                    target.attr('aria-labelledby', target.data('original-labelledby'));\n                }\n\n                if (target.data('original-describedby')) {\n                    target.attr('aria-describedby', target.data('original-describedby'));\n                }\n\n                if (target.data('original-tabindex')) {\n                    target.attr('tabindex', target.data('tabindex'));\n                }\n            }\n\n            // Clear the step configuration.\n            this.currentStepConfig = null;\n        }\n\n        let fadeTime = 0;\n        if (transition) {\n            fadeTime = 400;\n        }\n\n        // Remove the backdrop features.\n        $('[data-flexitour=\"step-background\"]').remove();\n        $('[data-flexitour=\"step-backdrop\"]').removeAttr('data-flexitour');\n        $('[data-flexitour=\"backdrop\"]').fadeOut(fadeTime, function() {\n            $(this).remove();\n        });\n\n        // Remove aria-describedby and tabindex attributes.\n        if (this.currentStepNode && this.currentStepNode.length) {\n            let stepId = this.currentStepNode.attr('id');\n            if (stepId) {\n                let currentStepElement = '[aria-describedby=\"' + stepId + '-body\"]';\n                $(currentStepElement).removeAttr('tabindex');\n                $(currentStepElement).removeAttr('aria-describedby');\n            }\n        }\n\n        // Reset the listeners.\n        this.resetStepListeners();\n\n        this.accessibilityHide();\n\n        this.fireEventHandlers('afterHide');\n\n        this.currentStepNode = null;\n        this.currentStepPopper = null;\n        return this;\n    }\n\n    /**\n     * Show the current steps.\n     *\n     * @method show\n     * @chainable\n     * @return {Object} this.\n     */\n    show() {\n        // Show the current step.\n        let startAt = this.getCurrentStepNumber();\n\n        return this.gotoStep(startAt);\n    }\n\n    /**\n     * Return the current step node.\n     *\n     * @method  getStepContainer\n     * @return  {jQuery}\n     */\n    getStepContainer() {\n        return $(this.currentStepNode);\n    }\n\n    /**\n     * Calculate scrollTop.\n     *\n     * @method  calculateScrollTop\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @return  {Number}\n     */\n    calculateScrollTop(stepConfig) {\n        let scrollTop = $(window).scrollTop();\n        let viewportHeight = $(window).height();\n        let targetNode = this.getStepTarget(stepConfig);\n\n        if (stepConfig.placement === 'top') {\n            // If the placement is top, center scroll at the top of the target.\n            scrollTop = targetNode.offset().top - (viewportHeight / 2);\n        } else if (stepConfig.placement === 'bottom') {\n            // If the placement is bottom, center scroll at the bottom of the target.\n            scrollTop = targetNode.offset().top + targetNode.height() - (viewportHeight / 2);\n        } else if (targetNode.height() <= (viewportHeight * 0.8)) {\n            // If the placement is left/right, and the target fits in the viewport, centre screen on the target\n            scrollTop = targetNode.offset().top - ((viewportHeight - targetNode.height()) / 2);\n        } else {\n            // If the placement is left/right, and the target is bigger than the viewport, set scrollTop to target.top + buffer\n            // and change step attachmentTarget to top+.\n            scrollTop = targetNode.offset().top - (viewportHeight * 0.2);\n        }\n\n        // Never scroll over the top.\n        scrollTop = Math.max(0, scrollTop);\n\n        // Never scroll beyond the bottom.\n        scrollTop = Math.min($(document).height() - viewportHeight, scrollTop);\n\n        return Math.ceil(scrollTop);\n    }\n\n    /**\n     * Calculate dialogue position for page middle.\n     *\n     * @method  calculateScrollTop\n     * @return  {Number}\n     */\n    calculateStepPositionInPage() {\n        let viewportHeight = $(window).height();\n        let stepHeight = this.currentStepNode.height();\n\n        let viewportWidth = $(window).width();\n        let stepWidth = this.currentStepNode.width();\n\n        return {\n            top: Math.ceil((viewportHeight - stepHeight) / 2),\n            left: Math.ceil((viewportWidth - stepWidth) / 2)\n        };\n    }\n\n    /**\n     * Position the step on the page.\n     *\n     * @method  positionStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    positionStep(stepConfig) {\n        let content = this.currentStepNode;\n        if (!content || !content.length) {\n            // Unable to find the step node.\n            return this;\n        }\n\n        let flipBehavior;\n        switch (stepConfig.placement) {\n            case 'left':\n                flipBehavior = ['left', 'right', 'top', 'bottom'];\n                break;\n            case 'right':\n                flipBehavior = ['right', 'left', 'top', 'bottom'];\n                break;\n            case 'top':\n                flipBehavior = ['top', 'bottom', 'right', 'left'];\n                break;\n            case 'bottom':\n                flipBehavior = ['bottom', 'top', 'right', 'left'];\n                break;\n            default:\n                flipBehavior = 'flip';\n                break;\n        }\n\n        let target = this.getStepTarget(stepConfig);\n        var config = {\n            placement: stepConfig.placement + '-start',\n            removeOnDestroy: true,\n            modifiers: {\n                flip: {\n                    behaviour: flipBehavior,\n                },\n                arrow: {\n                    element: '[data-role=\"arrow\"]',\n                },\n            },\n            onCreate: function(data) {\n                recalculateArrowPosition(data);\n            },\n            onUpdate: function(data) {\n                recalculateArrowPosition(data);\n            },\n        };\n\n        let recalculateArrowPosition = function(data) {\n            let placement = data.placement.split('-')[0];\n            const isVertical = ['left', 'right'].indexOf(placement) !== -1;\n            const arrowElement = data.instance.popper.querySelector('[data-role=\"arrow\"]');\n            const stepElement = $(data.instance.popper.querySelector('[data-role=\"flexitour-step\"]'));\n            if (isVertical) {\n                let arrowHeight = parseFloat(window.getComputedStyle(arrowElement).height);\n                let arrowOffset = parseFloat(window.getComputedStyle(arrowElement).top);\n                let popperHeight = parseFloat(window.getComputedStyle(data.instance.popper).height);\n                let popperOffset = parseFloat(window.getComputedStyle(data.instance.popper).top);\n                let popperBorderWidth = parseFloat(stepElement.css('borderTopWidth'));\n                let popperBorderRadiusWidth = parseFloat(stepElement.css('borderTopLeftRadius')) * 2;\n                let arrowPos = arrowOffset + (arrowHeight / 2);\n                let maxPos = popperHeight + popperOffset - popperBorderWidth - popperBorderRadiusWidth;\n                let minPos = popperOffset + popperBorderWidth + popperBorderRadiusWidth;\n                if (arrowPos >= maxPos || arrowPos <= minPos) {\n                    let newArrowPos = 0;\n                    if (arrowPos > (popperHeight / 2)) {\n                        newArrowPos = maxPos - arrowHeight;\n                    } else {\n                        newArrowPos = minPos + arrowHeight;\n                    }\n                    $(arrowElement).css('top', newArrowPos);\n                }\n            } else {\n                let arrowWidth = parseFloat(window.getComputedStyle(arrowElement).width);\n                let arrowOffset = parseFloat(window.getComputedStyle(arrowElement).left);\n                let popperWidth = parseFloat(window.getComputedStyle(data.instance.popper).width);\n                let popperOffset = parseFloat(window.getComputedStyle(data.instance.popper).left);\n                let popperBorderWidth = parseFloat(stepElement.css('borderTopWidth'));\n                let popperBorderRadiusWidth = parseFloat(stepElement.css('borderTopLeftRadius')) * 2;\n                let arrowPos = arrowOffset + (arrowWidth / 2);\n                let maxPos = popperWidth + popperOffset - popperBorderWidth - popperBorderRadiusWidth;\n                let minPos = popperOffset + popperBorderWidth + popperBorderRadiusWidth;\n                if (arrowPos >= maxPos || arrowPos <= minPos) {\n                    let newArrowPos = 0;\n                    if (arrowPos > (popperWidth / 2)) {\n                        newArrowPos = maxPos - arrowWidth;\n                    } else {\n                        newArrowPos = minPos + arrowWidth;\n                    }\n                    $(arrowElement).css('left', newArrowPos);\n                }\n            }\n        };\n\n        let background = $('[data-flexitour=\"step-background\"]');\n        if (background.length) {\n            target = background;\n        }\n        this.currentStepPopper = new Popper(target, content[0], config);\n\n        return this;\n    }\n\n    /**\n     * Add the backdrop.\n     *\n     * @method  positionBackdrop\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    positionBackdrop(stepConfig) {\n        if (stepConfig.backdrop) {\n            this.currentStepConfig.hasBackdrop = true;\n            let backdrop = $('<div data-flexitour=\"backdrop\"></div>');\n\n            if (stepConfig.zIndex) {\n                if (stepConfig.attachPoint === 'append') {\n                    stepConfig.attachTo.append(backdrop);\n                } else {\n                    backdrop.insertAfter(stepConfig.attachTo);\n                }\n            } else {\n                $('body').append(backdrop);\n            }\n\n            if (this.isStepActuallyVisible(stepConfig)) {\n                // The step has a visible target.\n                // Punch a hole through the backdrop.\n                let background = $('<div data-flexitour=\"step-background\"></div>');\n\n                let targetNode = this.getStepTarget(stepConfig);\n\n                let buffer = 10;\n\n                let colorNode = targetNode;\n                if (buffer) {\n                    colorNode = $('body');\n                }\n\n                background.css({\n                    width: targetNode.outerWidth() + buffer + buffer,\n                    height: targetNode.outerHeight() + buffer + buffer,\n                    left: targetNode.offset().left - buffer,\n                    top: targetNode.offset().top - buffer,\n                    backgroundColor: this.calculateInherittedBackgroundColor(colorNode),\n                });\n\n                if (targetNode.offset().left < buffer) {\n                    background.css({\n                        width: targetNode.outerWidth() + targetNode.offset().left + buffer,\n                        left: targetNode.offset().left,\n                    });\n                }\n\n                if (targetNode.offset().top < buffer) {\n                    background.css({\n                        height: targetNode.outerHeight() + targetNode.offset().top + buffer,\n                        top: targetNode.offset().top,\n                    });\n                }\n\n                let targetRadius = targetNode.css('borderRadius');\n                if (targetRadius && targetRadius !== $('body').css('borderRadius')) {\n                    background.css('borderRadius', targetRadius);\n                }\n\n                let targetPosition = this.calculatePosition(targetNode);\n                if (targetPosition === 'fixed') {\n                    background.css('top', 0);\n                } else if (targetPosition === 'absolute') {\n                    background.css('position', 'fixed');\n                }\n\n                let fader = background.clone();\n                fader.css({\n                    backgroundColor: backdrop.css('backgroundColor'),\n                    opacity: backdrop.css('opacity'),\n                });\n                fader.attr('data-flexitour', 'step-background-fader');\n\n                if (stepConfig.zIndex) {\n                    if (stepConfig.attachPoint === 'append') {\n                        stepConfig.attachTo.append(background);\n                    } else {\n                        fader.insertAfter(stepConfig.attachTo);\n                        background.insertAfter(stepConfig.attachTo);\n                    }\n                } else {\n                    $('body').append(fader);\n                    $('body').append(background);\n                }\n\n                // Add the backdrop data to the actual target.\n                // This is the part which actually does the work.\n                targetNode.attr('data-flexitour', 'step-backdrop');\n\n                if (stepConfig.zIndex) {\n                    backdrop.css('zIndex', stepConfig.zIndex);\n                    background.css('zIndex', stepConfig.zIndex + 1);\n                    targetNode.css('zIndex', stepConfig.zIndex + 2);\n                }\n\n                fader.fadeOut('2000', function() {\n                    $(this).remove();\n                });\n            }\n        }\n        return this;\n    }\n\n    /**\n     * Calculate the inheritted z-index.\n     *\n     * @method  calculateZIndex\n     * @param   {jQuery}    elem                        The element to calculate z-index for\n     * @return  {Number}                                Calculated z-index\n     */\n    calculateZIndex(elem) {\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            // Ignore z-index if position is set to a value where z-index is ignored by the browser\n            // This makes behavior of this function consistent across browsers\n            // WebKit always returns auto if the element is positioned.\n            let position = elem.css(\"position\");\n            if (position === \"absolute\" || position === \"relative\" || position === \"fixed\") {\n                // IE returns 0 when zIndex is not specified\n                // other browsers return a string\n                // we ignore the case of nested elements with an explicit value of 0\n                // <div style=\"z-index: -10;\"><div style=\"z-index: 0;\"></div></div>\n                let value = parseInt(elem.css(\"zIndex\"), 10);\n                if (!isNaN(value) && value !== 0) {\n                    return value;\n                }\n            }\n            elem = elem.parent();\n        }\n\n        return 0;\n    }\n\n    /**\n     * Calculate the inheritted background colour.\n     *\n     * @method  calculateInherittedBackgroundColor\n     * @param   {jQuery}    elem                        The element to calculate colour for\n     * @return  {String}                                Calculated background colour\n     */\n    calculateInherittedBackgroundColor(elem) {\n        // Use a fake node to compare each element against.\n        let fakeNode = $('<div>').hide();\n        $('body').append(fakeNode);\n        let fakeElemColor = fakeNode.css('backgroundColor');\n        fakeNode.remove();\n\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            let color = elem.css('backgroundColor');\n            if (color !== fakeElemColor) {\n                return color;\n            }\n            elem = elem.parent();\n        }\n\n        return null;\n    }\n\n    /**\n     * Calculate the inheritted position.\n     *\n     * @method  calculatePosition\n     * @param   {jQuery}    elem                        The element to calculate position for\n     * @return  {String}                                Calculated position\n     */\n    calculatePosition(elem) {\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            let position = elem.css('position');\n            if (position !== 'static') {\n                return position;\n            }\n            elem = elem.parent();\n        }\n\n        return null;\n    }\n\n    /**\n     * Perform accessibility changes for step shown.\n     *\n     * This will add aria-hidden=\"true\" to all siblings and parent siblings.\n     *\n     * @method  accessibilityShow\n     */\n    accessibilityShow() {\n        let stateHolder = 'data-has-hidden';\n        let attrName = 'aria-hidden';\n        let hideFunction = function(child) {\n            let flexitourRole = child.data('flexitour');\n            if (flexitourRole) {\n                switch (flexitourRole) {\n                    case 'container':\n                    case 'target':\n                        return;\n                }\n            }\n\n            let hidden = child.attr(attrName);\n            if (!hidden) {\n                child.attr(stateHolder, true);\n                child.attr(attrName, true);\n            }\n        };\n\n        this.currentStepNode.siblings().each(function(index, node) {\n            hideFunction($(node));\n        });\n        this.currentStepNode.parentsUntil('body').siblings().each(function(index, node) {\n            hideFunction($(node));\n        });\n    }\n\n    /**\n     * Perform accessibility changes for step hidden.\n     *\n     * This will remove any newly added aria-hidden=\"true\".\n     *\n     * @method  accessibilityHide\n     */\n    accessibilityHide() {\n        let stateHolder = 'data-has-hidden';\n        let attrName = 'aria-hidden';\n        let showFunction = function(child) {\n            let hidden = child.attr(stateHolder);\n            if (typeof hidden !== 'undefined') {\n                child.removeAttr(stateHolder);\n                child.removeAttr(attrName);\n            }\n        };\n\n        $('[' + stateHolder + ']').each(function(index, node) {\n            showFunction($(node));\n        });\n    }\n}\n"],"file":"tour.min.js"}
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage user tours in Moodle.\n *\n * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Popper from 'core/popper';\n\n/**\n * A Tour.\n *\n * @class Tour\n */\nexport default class Tour {\n    /**\n     * @param   {object}    config  The configuration object.\n     */\n    constructor(config) {\n        this.init(config);\n    }\n\n    /**\n     * Initialise the tour.\n     *\n     * @method  init\n     * @param   {Object}    config  The configuration object.\n     * @chainable\n     * @return {Object} this.\n     */\n    init(config) {\n        // Unset all handlers.\n        this.eventHandlers = {};\n\n        // Reset the current tour states.\n        this.reset();\n\n        // Store the initial configuration.\n        this.originalConfiguration = config || {};\n\n        // Apply configuration.\n        this.configure.apply(this, arguments);\n\n        try {\n            this.storage = window.sessionStorage;\n            this.storageKey = 'tourstate_' + this.tourName;\n        } catch (e) {\n            this.storage = false;\n            this.storageKey = '';\n        }\n\n        return this;\n    }\n\n    /**\n     * Reset the current tour state.\n     *\n     * @method  reset\n     * @chainable\n     * @return {Object} this.\n     */\n    reset() {\n        // Hide the current step.\n        this.hide();\n\n        // Unset all handlers.\n        this.eventHandlers = [];\n\n        // Unset all listeners.\n        this.resetStepListeners();\n\n        // Unset the original configuration.\n        this.originalConfiguration = {};\n\n        // Reset the current step number and list of steps.\n        this.steps = [];\n\n        // Reset the current step number.\n        this.currentStepNumber = 0;\n\n        return this;\n    }\n\n    /**\n     * Prepare tour configuration.\n     *\n     * @method  configure\n     * @param {Object} config The configuration object.\n     * @chainable\n     * @return {Object} this.\n     */\n    configure(config) {\n        if (typeof config === 'object') {\n            // Tour name.\n            if (typeof config.tourName !== 'undefined') {\n                this.tourName = config.tourName;\n            }\n\n            // Set up eventHandlers.\n            if (config.eventHandlers) {\n                for (let eventName in config.eventHandlers) {\n                    config.eventHandlers[eventName].forEach(function(handler) {\n                        this.addEventHandler(eventName, handler);\n                    }, this);\n                }\n            }\n\n            // Reset the step configuration.\n            this.resetStepDefaults(true);\n\n            // Configure the steps.\n            if (typeof config.steps === 'object') {\n                this.steps = config.steps;\n            }\n\n            if (typeof config.template !== 'undefined') {\n                this.templateContent = config.template;\n            }\n        }\n\n        // Check that we have enough to start the tour.\n        this.checkMinimumRequirements();\n\n        return this;\n    }\n\n    /**\n     * Check that the configuration meets the minimum requirements.\n     *\n     * @method  checkMinimumRequirements\n     */\n    checkMinimumRequirements() {\n        // Need a tourName.\n        if (!this.tourName) {\n            throw new Error(\"Tour Name required\");\n        }\n\n        // Need a minimum of one step.\n        if (!this.steps || !this.steps.length) {\n            throw new Error(\"Steps must be specified\");\n        }\n    }\n\n    /**\n     * Reset step default configuration.\n     *\n     * @method  resetStepDefaults\n     * @param   {Boolean}   loadOriginalConfiguration   Whether to load the original configuration supplied with the Tour.\n     * @chainable\n     * @return {Object} this.\n     */\n    resetStepDefaults(loadOriginalConfiguration) {\n        if (typeof loadOriginalConfiguration === 'undefined') {\n            loadOriginalConfiguration = true;\n        }\n\n        this.stepDefaults = {};\n        if (!loadOriginalConfiguration || typeof this.originalConfiguration.stepDefaults === 'undefined') {\n            this.setStepDefaults({});\n        } else {\n            this.setStepDefaults(this.originalConfiguration.stepDefaults);\n        }\n\n        return this;\n    }\n\n    /**\n     * Set the step defaults.\n     *\n     * @method  setStepDefaults\n     * @param   {Object}    stepDefaults                The step defaults to apply to all steps\n     * @chainable\n     * @return {Object} this.\n     */\n    setStepDefaults(stepDefaults) {\n        if (!this.stepDefaults) {\n            this.stepDefaults = {};\n        }\n        $.extend(\n            this.stepDefaults,\n            {\n                element:        '',\n                placement:      'top',\n                delay:          0,\n                moveOnClick:    false,\n                moveAfterTime:  0,\n                orphan:         false,\n                direction:      1,\n            },\n            stepDefaults\n        );\n\n        return this;\n    }\n\n    /**\n     * Retrieve the current step number.\n     *\n     * @method  getCurrentStepNumber\n     * @return  {Integer}                   The current step number\n     */\n    getCurrentStepNumber() {\n        return parseInt(this.currentStepNumber, 10);\n    }\n\n    /**\n     * Store the current step number.\n     *\n     * @method  setCurrentStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @chainable\n     */\n    setCurrentStepNumber(stepNumber) {\n        this.currentStepNumber = stepNumber;\n        if (this.storage) {\n            try {\n                this.storage.setItem(this.storageKey, stepNumber);\n            } catch (e) {\n                if (e.code === DOMException.QUOTA_EXCEEDED_ERR) {\n                    this.storage.removeItem(this.storageKey);\n                }\n            }\n        }\n    }\n\n    /**\n     * Get the next step number after the currently displayed step.\n     *\n     * @method  getNextStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @return  {Integer}    The next step number to display\n     */\n    getNextStepNumber(stepNumber) {\n        if (typeof stepNumber === 'undefined') {\n            stepNumber = this.getCurrentStepNumber();\n        }\n        let nextStepNumber = stepNumber + 1;\n\n        // Keep checking the remaining steps.\n        while (nextStepNumber <= this.steps.length) {\n            if (this.isStepPotentiallyVisible(this.getStepConfig(nextStepNumber))) {\n                return nextStepNumber;\n            }\n            nextStepNumber++;\n        }\n\n        return null;\n    }\n\n    /**\n     * Get the previous step number before the currently displayed step.\n     *\n     * @method  getPreviousStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @return  {Integer}    The previous step number to display\n     */\n    getPreviousStepNumber(stepNumber) {\n        if (typeof stepNumber === 'undefined') {\n            stepNumber = this.getCurrentStepNumber();\n        }\n        let previousStepNumber = stepNumber - 1;\n\n        // Keep checking the remaining steps.\n        while (previousStepNumber >= 0) {\n            if (this.isStepPotentiallyVisible(this.getStepConfig(previousStepNumber))) {\n                return previousStepNumber;\n            }\n            previousStepNumber--;\n        }\n\n        return null;\n    }\n\n    /**\n     * Is the step the final step number?\n     *\n     * @method  isLastStep\n     * @param   {Integer}   stepNumber  Step number to test\n     * @return  {Boolean}               Whether the step is the final step\n     */\n    isLastStep(stepNumber) {\n        let nextStepNumber = this.getNextStepNumber(stepNumber);\n\n        return nextStepNumber === null;\n    }\n\n    /**\n     * Is the step the first step number?\n     *\n     * @method  isFirstStep\n     * @param   {Integer}   stepNumber  Step number to test\n     * @return  {Boolean}               Whether the step is the first step\n     */\n    isFirstStep(stepNumber) {\n        let previousStepNumber = this.getPreviousStepNumber(stepNumber);\n\n        return previousStepNumber === null;\n    }\n\n    /**\n     * Is this step potentially visible?\n     *\n     * @method  isStepPotentiallyVisible\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Boolean}               Whether the step is the potentially visible\n     */\n    isStepPotentiallyVisible(stepConfig) {\n        if (!stepConfig) {\n            // Without step config, there can be no step.\n            return false;\n        }\n\n        if (this.isStepActuallyVisible(stepConfig)) {\n            // If it is actually visible, it is already potentially visible.\n            return true;\n        }\n\n        if (typeof stepConfig.orphan !== 'undefined' && stepConfig.orphan) {\n            // Orphan steps have no target. They are always visible.\n            return true;\n        }\n\n        if (typeof stepConfig.delay !== 'undefined' && stepConfig.delay) {\n            // Only return true if the activated has not been used yet.\n            return true;\n        }\n\n        // Not theoretically, or actually visible.\n        return false;\n    }\n\n    /**\n     * Is this step actually visible?\n     *\n     * @method  isStepActuallyVisible\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Boolean}               Whether the step is actually visible\n     */\n    isStepActuallyVisible(stepConfig) {\n        if (!stepConfig) {\n            // Without step config, there can be no step.\n            return false;\n        }\n\n        let target = this.getStepTarget(stepConfig);\n        if (target && target.length && target.is(':visible')) {\n            // Without a target, there can be no step.\n            return !!target.length;\n        }\n\n        return false;\n    }\n\n    /**\n     * Go to the next step in the tour.\n     *\n     * @method  next\n     * @chainable\n     * @return {Object} this.\n     */\n    next() {\n        return this.gotoStep(this.getNextStepNumber());\n    }\n\n    /**\n     * Go to the previous step in the tour.\n     *\n     * @method  previous\n     * @chainable\n     * @return {Object} this.\n     */\n    previous() {\n        return this.gotoStep(this.getPreviousStepNumber(), -1);\n    }\n\n    /**\n     * Go to the specified step in the tour.\n     *\n     * @method  gotoStep\n     * @param   {Integer}   stepNumber     The step number to display\n     * @param   {Integer}   direction      Next or previous step\n     * @chainable\n     * @return {Object} this.\n     */\n    gotoStep(stepNumber, direction) {\n        if (stepNumber < 0) {\n            return this.endTour();\n        }\n\n        let stepConfig = this.getStepConfig(stepNumber);\n        if (stepConfig === null) {\n            return this.endTour();\n        }\n\n        return this._gotoStep(stepConfig, direction);\n    }\n\n    _gotoStep(stepConfig, direction) {\n        if (!stepConfig) {\n            return this.endTour();\n        }\n\n        if (typeof stepConfig.delay !== 'undefined' && stepConfig.delay && !stepConfig.delayed) {\n            stepConfig.delayed = true;\n            window.setTimeout(this._gotoStep.bind(this), stepConfig.delay, stepConfig, direction);\n\n            return this;\n        } else if (!stepConfig.orphan && !this.isStepActuallyVisible(stepConfig)) {\n            let fn = direction == -1 ? 'getPreviousStepNumber' : 'getNextStepNumber';\n            return this.gotoStep(this[fn](stepConfig.stepNumber), direction);\n        }\n\n        this.hide();\n\n        this.fireEventHandlers('beforeRender', stepConfig);\n        this.renderStep(stepConfig);\n        this.fireEventHandlers('afterRender', stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Fetch the normalised step configuration for the specified step number.\n     *\n     * @method  getStepConfig\n     * @param   {Integer}   stepNumber      The step number to fetch configuration for\n     * @return  {Object}                    The step configuration\n     */\n    getStepConfig(stepNumber) {\n        if (stepNumber === null || stepNumber < 0 || stepNumber >= this.steps.length) {\n            return null;\n        }\n\n        // Normalise the step configuration.\n        let stepConfig = this.normalizeStepConfig(this.steps[stepNumber]);\n\n        // Add the stepNumber to the stepConfig.\n        stepConfig = $.extend(stepConfig, {stepNumber: stepNumber});\n\n        return stepConfig;\n    }\n\n    /**\n     * Normalise the supplied step configuration.\n     *\n     * @method  normalizeStepConfig\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Object}                    The normalised step configuration\n     */\n    normalizeStepConfig(stepConfig) {\n\n        if (typeof stepConfig.reflex !== 'undefined' && typeof stepConfig.moveAfterClick === 'undefined') {\n            stepConfig.moveAfterClick = stepConfig.reflex;\n        }\n\n        if (typeof stepConfig.element !== 'undefined' && typeof stepConfig.target === 'undefined') {\n            stepConfig.target = stepConfig.element;\n        }\n\n        if (typeof stepConfig.content !== 'undefined' && typeof stepConfig.body === 'undefined') {\n            stepConfig.body = stepConfig.content;\n        }\n\n        stepConfig = $.extend({}, this.stepDefaults, stepConfig);\n\n        stepConfig = $.extend({}, {\n            attachTo: stepConfig.target,\n            attachPoint: 'after',\n        }, stepConfig);\n\n        if (stepConfig.attachTo) {\n            stepConfig.attachTo = $(stepConfig.attachTo).first();\n        }\n\n        return stepConfig;\n    }\n\n    /**\n     * Fetch the actual step target from the selector.\n     *\n     * This should not be called until after any delay has completed.\n     *\n     * @method  getStepTarget\n     * @param   {Object}    stepConfig      The step configuration\n     * @return  {$}\n     */\n    getStepTarget(stepConfig) {\n        if (stepConfig.target) {\n            return $(stepConfig.target);\n        }\n\n        return null;\n    }\n\n    /**\n     * Fire any event handlers for the specified event.\n     *\n     * @param   {String}    eventName       The name of the event to handle\n     * @param   {Object}    data            Any data to pass to the event\n     * @chainable\n     * @return {Object} this.\n     */\n    fireEventHandlers(eventName, data) {\n        if (typeof this.eventHandlers[eventName] === 'undefined') {\n            return this;\n        }\n\n        this.eventHandlers[eventName].forEach(function(thisEvent) {\n            thisEvent.call(this, data);\n        }, this);\n\n        return this;\n    }\n\n    /**\n     * @method addEventHandler\n     * @param  {string}      eventName       The name of the event to listen for\n     * @param  {function}    handler         The event handler to call\n     * @return {Object} this.\n     */\n    addEventHandler(eventName, handler) {\n        if (typeof this.eventHandlers[eventName] === 'undefined') {\n            this.eventHandlers[eventName] = [];\n        }\n\n        this.eventHandlers[eventName].push(handler);\n\n        return this;\n    }\n\n    /**\n     * Process listeners for the step being shown.\n     *\n     * @method  processStepListeners\n     * @param   {object}    stepConfig      The configuration for the step\n     * @chainable\n     * @return {Object} this.\n     */\n    processStepListeners(stepConfig) {\n        this.listeners.push(\n        // Next/Previous buttons.\n        {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"next\"]', $.proxy(this.next, this)]\n        }, {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"previous\"]', $.proxy(this.previous, this)]\n        },\n\n        // Close and end tour buttons.\n        {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"end\"]', $.proxy(this.endTour, this)]\n        },\n\n        // Click backdrop and hide tour.\n        {\n            node: $('[data-flexitour=\"backdrop\"]'),\n            args: ['click', $.proxy(this.hide, this)]\n        },\n\n        // Keypresses.\n        {\n            node: $('body'),\n            args: ['keydown', $.proxy(this.handleKeyDown, this)]\n        });\n\n        if (stepConfig.moveOnClick) {\n            var targetNode = this.getStepTarget(stepConfig);\n            this.listeners.push({\n                node: targetNode,\n                args: ['click', $.proxy(function(e) {\n                    if ($(e.target).parents('[data-flexitour=\"container\"]').length === 0) {\n                        // Ignore clicks when they are in the flexitour.\n                        window.setTimeout($.proxy(this.next, this), 500);\n                    }\n                }, this)]\n            });\n        }\n\n        this.listeners.forEach(function (listener) {\n            listener.node.on.apply(listener.node, listener.args);\n        });\n\n        return this;\n    }\n\n    /**\n     * Reset step listeners.\n     *\n     * @method  resetStepListeners\n     * @chainable\n     * @return {Object} this.\n     */\n    resetStepListeners() {\n        // Stop listening to all external handlers.\n        if (this.listeners) {\n            this.listeners.forEach(function(listener) {\n                listener.node.off.apply(listener.node, listener.args);\n            });\n        }\n        this.listeners = [];\n\n        return this;\n    }\n\n    /**\n     * The standard step renderer.\n     *\n     * @method  renderStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    renderStep(stepConfig) {\n        // Store the current step configuration for later.\n        this.currentStepConfig = stepConfig;\n        this.setCurrentStepNumber(stepConfig.stepNumber);\n\n        // Fetch the template and convert it to a $ object.\n        let template = $(this.getTemplateContent());\n\n        // Title.\n        template.find('[data-placeholder=\"title\"]')\n            .html(stepConfig.title);\n\n        // Body.\n        template.find('[data-placeholder=\"body\"]')\n            .html(stepConfig.body);\n\n        // Is this the first step?\n        if (this.isFirstStep(stepConfig.stepNumber)) {\n            template.find('[data-role=\"previous\"]').hide();\n        } else {\n            template.find('[data-role=\"previous\"]').prop('disabled', false);\n        }\n\n        // Is this the final step?\n        if (this.isLastStep(stepConfig.stepNumber)) {\n            template.find('[data-role=\"next\"]').hide();\n            template.find('[data-role=\"end\"]').removeClass(\"btn-secondary\").addClass(\"btn-primary\");\n        } else {\n            template.find('[data-role=\"next\"]').prop('disabled', false);\n        }\n\n        template.find('[data-role=\"previous\"]').attr('role', 'button');\n        template.find('[data-role=\"next\"]').attr('role', 'button');\n        template.find('[data-role=\"end\"]').attr('role', 'button');\n\n        // Replace the template with the updated version.\n        stepConfig.template = template;\n\n        // Add to the page.\n        this.addStepToPage(stepConfig);\n\n        // Process step listeners after adding to the page.\n        // This uses the currentNode.\n        this.processStepListeners(stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Getter for the template content.\n     *\n     * @method  getTemplateContent\n     * @return  {$}\n     */\n    getTemplateContent() {\n        return $(this.templateContent).clone();\n    }\n\n    /**\n     * Helper to add a step to the page.\n     *\n     * @method  addStepToPage\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    addStepToPage(stepConfig) {\n        // Create the stepNode from the template data.\n        let currentStepNode = $('<span data-flexitour=\"container\"></span>')\n            .html(stepConfig.template)\n            .hide();\n\n        // The scroll animation occurs on the body or html.\n        let animationTarget = $('body, html')\n            .stop(true, true);\n\n        if (this.isStepActuallyVisible(stepConfig)) {\n            let targetNode = this.getStepTarget(stepConfig);\n\n            targetNode.data('flexitour', 'target');\n\n            let zIndex = this.calculateZIndex(targetNode);\n            if (zIndex) {\n                stepConfig.zIndex = zIndex + 1;\n            }\n\n            if (stepConfig.zIndex) {\n                currentStepNode.css('zIndex', stepConfig.zIndex + 1);\n            }\n\n            // Add the backdrop.\n            this.positionBackdrop(stepConfig);\n\n            $(document.body).append(currentStepNode);\n            this.currentStepNode = currentStepNode;\n\n            // Ensure that the step node is positioned.\n            // Some situations mean that the value is not properly calculated without this step.\n            this.currentStepNode.css({\n                top: 0,\n                left: 0,\n            });\n\n            animationTarget\n                .animate({\n                    scrollTop: this.calculateScrollTop(stepConfig),\n                }).promise().then(function() {\n                        this.positionStep(stepConfig);\n                        this.revealStep(stepConfig);\n                        return;\n                    }.bind(this))\n                    .catch(function() {\n                        // Silently fail.\n                    });\n\n        } else if (stepConfig.orphan) {\n            stepConfig.isOrphan = true;\n\n            // This will be appended to the body instead.\n            stepConfig.attachTo = $('body').first();\n            stepConfig.attachPoint = 'append';\n\n            // Add the backdrop.\n            this.positionBackdrop(stepConfig);\n\n            // This is an orphaned step.\n            currentStepNode.addClass('orphan');\n\n            // It lives in the body.\n            $(document.body).append(currentStepNode);\n            this.currentStepNode = currentStepNode;\n\n            this.currentStepNode.offset(this.calculateStepPositionInPage());\n            this.currentStepNode.css('position', 'fixed');\n\n            this.currentStepPopper = new Popper(\n                $('body'),\n                this.currentStepNode[0], {\n                    removeOnDestroy: true,\n                    placement: stepConfig.placement + '-start',\n                    arrowElement: '[data-role=\"arrow\"]',\n                    // Empty the modifiers. We've already placed the step and don't want it moved.\n                    modifiers: {\n                        hide: {\n                            enabled: false,\n                        },\n                        applyStyle: {\n                            onLoad: null,\n                            enabled: false,\n                        },\n                    }\n                }\n            );\n\n            this.revealStep(stepConfig);\n        }\n\n        return this;\n    }\n\n    /**\n     * Make the given step visible.\n     *\n     * @method revealStep\n     * @param {Object} stepConfig The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    revealStep(stepConfig) {\n        // Fade the step in.\n        this.currentStepNode.fadeIn('', $.proxy(function() {\n                // Announce via ARIA.\n                this.announceStep(stepConfig);\n\n                // Focus on the current step Node.\n                this.currentStepNode.focus();\n                window.setTimeout($.proxy(function() {\n                    // After a brief delay, focus again.\n                    // There seems to be an issue with Jaws where it only reads the dialogue title initially.\n                    // This second focus helps it to read the full dialogue.\n                    if (this.currentStepNode) {\n                        this.currentStepNode.focus();\n                    }\n                }, this), 100);\n\n            }, this));\n\n        return this;\n    }\n\n    /**\n     * Helper to announce the step on the page.\n     *\n     * @method  announceStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    announceStep(stepConfig) {\n        // Setup the step Dialogue as per:\n        // * https://www.w3.org/TR/wai-aria-practices/#dialog_nonmodal\n        // * https://www.w3.org/TR/wai-aria-practices/#dialog_modal\n\n        // Generate an ID for the current step node.\n        let stepId = 'tour-step-' + this.tourName + '-' + stepConfig.stepNumber;\n        this.currentStepNode.attr('id', stepId);\n\n        let bodyRegion = this.currentStepNode.find('[data-placeholder=\"body\"]').first();\n        bodyRegion.attr('id', stepId + '-body');\n        bodyRegion.attr('role', 'document');\n\n        let headerRegion = this.currentStepNode.find('[data-placeholder=\"title\"]').first();\n        headerRegion.attr('id', stepId + '-title');\n        headerRegion.attr('aria-labelledby', stepId + '-body');\n\n        // Generally, a modal dialog has a role of dialog.\n        this.currentStepNode.attr('role', 'dialog');\n        this.currentStepNode.attr('tabindex', 0);\n        this.currentStepNode.attr('aria-labelledby', stepId + '-title');\n        this.currentStepNode.attr('aria-describedby', stepId + '-body');\n\n        // Configure ARIA attributes on the target.\n        let target = this.getStepTarget(stepConfig);\n        if (target) {\n            if (!target.attr('tabindex')) {\n                target.attr('tabindex', 0);\n            }\n\n            target\n                .data('original-describedby', target.attr('aria-describedby'))\n                .attr('aria-describedby', stepId + '-body')\n                ;\n        }\n\n        this.accessibilityShow(stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Handle key down events.\n     *\n     * @method  handleKeyDown\n     * @param   {EventFacade} e\n     */\n    handleKeyDown(e) {\n        let tabbableSelector = 'a[href], link[href], [draggable=true], [contenteditable=true], ';\n        tabbableSelector += ':input:enabled, [tabindex], button:enabled';\n        switch (e.keyCode) {\n            case 27:\n                this.endTour();\n                break;\n\n            // 9 == Tab - trap focus for items with a backdrop.\n            case 9:\n                // Tab must be handled on key up only in this instance.\n                (function() {\n                    if (!this.currentStepConfig.hasBackdrop) {\n                        // Trapping tab focus is only handled for those steps with a backdrop.\n                        return;\n                    }\n\n                    // Find all tabbable locations.\n                    let activeElement = $(document.activeElement);\n                    let stepTarget = this.getStepTarget(this.currentStepConfig);\n                    let tabbableNodes = $(tabbableSelector);\n                    let dialogContainer = $('span[data-flexitour=\"container\"]');\n                    let currentIndex;\n                    // Filter out element which is not belong to target section or dialogue.\n                    if (stepTarget) {\n                        tabbableNodes = tabbableNodes.filter(function(index, element) {\n                            return stepTarget !== null\n                                && (stepTarget.has(element).length\n                                    || dialogContainer.has(element).length\n                                    || stepTarget.is(element)\n                                    || dialogContainer.is(element));\n                        });\n                    }\n\n                    // Find index of focusing element.\n                    tabbableNodes.each(function(index, element) {\n                        if (activeElement.is(element)) {\n                            currentIndex = index;\n                            return false;\n                        }\n                        // Keep looping.\n                        return true;\n                    });\n\n                    let nextIndex;\n                    let nextNode;\n                    let focusRelevant;\n                    if (currentIndex != void 0) {\n                        let direction = 1;\n                        if (e.shiftKey) {\n                            direction = -1;\n                        }\n                        nextIndex = currentIndex;\n                        do {\n                            nextIndex += direction;\n                            nextNode = $(tabbableNodes[nextIndex]);\n                        } while (nextNode.length && nextNode.is(':disabled') || nextNode.is(':hidden'));\n                        if (nextNode.length) {\n                            // A new f\n                            focusRelevant = nextNode.closest(stepTarget).length;\n                            focusRelevant = focusRelevant || nextNode.closest(this.currentStepNode).length;\n                        } else {\n                            // Unable to find the target somehow.\n                            focusRelevant = false;\n                        }\n                    }\n\n                    if (focusRelevant) {\n                        nextNode.focus();\n                    } else {\n                        if (e.shiftKey) {\n                            // Focus on the last tabbable node in the step.\n                            this.currentStepNode.find(tabbableSelector).last().focus();\n                        } else {\n                            if (this.currentStepConfig.isOrphan) {\n                                // Focus on the step - there is no target.\n                                this.currentStepNode.focus();\n                            } else {\n                                // Focus on the step target.\n                                stepTarget.focus();\n                            }\n                        }\n                    }\n                    e.preventDefault();\n                }).call(this);\n                break;\n        }\n    }\n\n    /**\n     * Start the current tour.\n     *\n     * @method  startTour\n     * @param   {Integer}   startAt     Which step number to start at. If not specified, starts at the last point.\n     * @chainable\n     * @return {Object} this.\n     */\n    startTour(startAt) {\n        if (this.storage && typeof startAt === 'undefined') {\n            let storageStartValue = this.storage.getItem(this.storageKey);\n            if (storageStartValue) {\n                let storageStartAt = parseInt(storageStartValue, 10);\n                if (storageStartAt <= this.steps.length) {\n                    startAt = storageStartAt;\n                }\n            }\n        }\n\n        if (typeof startAt === 'undefined') {\n            startAt = this.getCurrentStepNumber();\n        }\n\n        this.fireEventHandlers('beforeStart', startAt);\n        this.gotoStep(startAt);\n        this.fireEventHandlers('afterStart', startAt);\n\n        return this;\n    }\n\n    /**\n     * Restart the tour from the beginning, resetting the completionlag.\n     *\n     * @method  restartTour\n     * @chainable\n     * @return {Object} this.\n     */\n    restartTour() {\n        return this.startTour(0);\n    }\n\n    /**\n     * End the current tour.\n     *\n     * @method  endTour\n     * @chainable\n     * @return {Object} this.\n     */\n    endTour() {\n        this.fireEventHandlers('beforeEnd');\n\n        if (this.currentStepConfig) {\n            let previousTarget = this.getStepTarget(this.currentStepConfig);\n            if (previousTarget) {\n                if (!previousTarget.attr('tabindex')) {\n                    previousTarget.attr('tabindex', '-1');\n                }\n                previousTarget.focus();\n            }\n        }\n\n        this.hide(true);\n\n        this.fireEventHandlers('afterEnd');\n\n        return this;\n    }\n\n    /**\n     * Hide any currently visible steps.\n     *\n     * @method hide\n     * @param {Bool} transition Animate the visibility change\n     * @chainable\n     * @return {Object} this.\n     */\n    hide(transition) {\n        this.fireEventHandlers('beforeHide');\n\n        if (this.currentStepNode && this.currentStepNode.length) {\n            this.currentStepNode.hide();\n            if (this.currentStepPopper) {\n                this.currentStepPopper.destroy();\n            }\n        }\n\n        // Restore original target configuration.\n        if (this.currentStepConfig) {\n            let target = this.getStepTarget(this.currentStepConfig);\n            if (target) {\n                if (target.data('original-labelledby')) {\n                    target.attr('aria-labelledby', target.data('original-labelledby'));\n                }\n\n                if (target.data('original-describedby')) {\n                    target.attr('aria-describedby', target.data('original-describedby'));\n                }\n\n                if (target.data('original-tabindex')) {\n                    target.attr('tabindex', target.data('tabindex'));\n                }\n            }\n\n            // Clear the step configuration.\n            this.currentStepConfig = null;\n        }\n\n        let fadeTime = 0;\n        if (transition) {\n            fadeTime = 400;\n        }\n\n        // Remove the backdrop features.\n        $('[data-flexitour=\"step-background\"]').remove();\n        $('[data-flexitour=\"step-backdrop\"]').removeAttr('data-flexitour');\n        $('[data-flexitour=\"backdrop\"]').fadeOut(fadeTime, function() {\n            $(this).remove();\n        });\n\n        // Remove aria-describedby and tabindex attributes.\n        if (this.currentStepNode && this.currentStepNode.length) {\n            let stepId = this.currentStepNode.attr('id');\n            if (stepId) {\n                let currentStepElement = '[aria-describedby=\"' + stepId + '-body\"]';\n                $(currentStepElement).removeAttr('tabindex');\n                $(currentStepElement).removeAttr('aria-describedby');\n            }\n        }\n\n        // Reset the listeners.\n        this.resetStepListeners();\n\n        this.accessibilityHide();\n\n        this.fireEventHandlers('afterHide');\n\n        this.currentStepNode = null;\n        this.currentStepPopper = null;\n        return this;\n    }\n\n    /**\n     * Show the current steps.\n     *\n     * @method show\n     * @chainable\n     * @return {Object} this.\n     */\n    show() {\n        // Show the current step.\n        let startAt = this.getCurrentStepNumber();\n\n        return this.gotoStep(startAt);\n    }\n\n    /**\n     * Return the current step node.\n     *\n     * @method  getStepContainer\n     * @return  {jQuery}\n     */\n    getStepContainer() {\n        return $(this.currentStepNode);\n    }\n\n    /**\n     * Calculate scrollTop.\n     *\n     * @method  calculateScrollTop\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @return  {Number}\n     */\n    calculateScrollTop(stepConfig) {\n        let scrollTop = $(window).scrollTop();\n        let viewportHeight = $(window).height();\n        let targetNode = this.getStepTarget(stepConfig);\n\n        if (stepConfig.placement === 'top') {\n            // If the placement is top, center scroll at the top of the target.\n            scrollTop = targetNode.offset().top - (viewportHeight / 2);\n        } else if (stepConfig.placement === 'bottom') {\n            // If the placement is bottom, center scroll at the bottom of the target.\n            scrollTop = targetNode.offset().top + targetNode.height() - (viewportHeight / 2);\n        } else if (targetNode.height() <= (viewportHeight * 0.8)) {\n            // If the placement is left/right, and the target fits in the viewport, centre screen on the target\n            scrollTop = targetNode.offset().top - ((viewportHeight - targetNode.height()) / 2);\n        } else {\n            // If the placement is left/right, and the target is bigger than the viewport, set scrollTop to target.top + buffer\n            // and change step attachmentTarget to top+.\n            scrollTop = targetNode.offset().top - (viewportHeight * 0.2);\n        }\n\n        // Never scroll over the top.\n        scrollTop = Math.max(0, scrollTop);\n\n        // Never scroll beyond the bottom.\n        scrollTop = Math.min($(document).height() - viewportHeight, scrollTop);\n\n        return Math.ceil(scrollTop);\n    }\n\n    /**\n     * Calculate dialogue position for page middle.\n     *\n     * @method  calculateScrollTop\n     * @return  {Number}\n     */\n    calculateStepPositionInPage() {\n        let viewportHeight = $(window).height();\n        let stepHeight = this.currentStepNode.height();\n\n        let viewportWidth = $(window).width();\n        let stepWidth = this.currentStepNode.width();\n\n        return {\n            top: Math.ceil((viewportHeight - stepHeight) / 2),\n            left: Math.ceil((viewportWidth - stepWidth) / 2)\n        };\n    }\n\n    /**\n     * Position the step on the page.\n     *\n     * @method  positionStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    positionStep(stepConfig) {\n        let content = this.currentStepNode;\n        if (!content || !content.length) {\n            // Unable to find the step node.\n            return this;\n        }\n\n        let flipBehavior;\n        switch (stepConfig.placement) {\n            case 'left':\n                flipBehavior = ['left', 'right', 'top', 'bottom'];\n                break;\n            case 'right':\n                flipBehavior = ['right', 'left', 'top', 'bottom'];\n                break;\n            case 'top':\n                flipBehavior = ['top', 'bottom', 'right', 'left'];\n                break;\n            case 'bottom':\n                flipBehavior = ['bottom', 'top', 'right', 'left'];\n                break;\n            default:\n                flipBehavior = 'flip';\n                break;\n        }\n\n        let target = this.getStepTarget(stepConfig);\n        var config = {\n            placement: stepConfig.placement + '-start',\n            removeOnDestroy: true,\n            modifiers: {\n                flip: {\n                    behaviour: flipBehavior,\n                },\n                arrow: {\n                    element: '[data-role=\"arrow\"]',\n                },\n            },\n            onCreate: function(data) {\n                recalculateArrowPosition(data);\n            },\n            onUpdate: function(data) {\n                recalculateArrowPosition(data);\n            },\n        };\n\n        let recalculateArrowPosition = function(data) {\n            let placement = data.placement.split('-')[0];\n            const isVertical = ['left', 'right'].indexOf(placement) !== -1;\n            const arrowElement = data.instance.popper.querySelector('[data-role=\"arrow\"]');\n            const stepElement = $(data.instance.popper.querySelector('[data-role=\"flexitour-step\"]'));\n            if (isVertical) {\n                let arrowHeight = parseFloat(window.getComputedStyle(arrowElement).height);\n                let arrowOffset = parseFloat(window.getComputedStyle(arrowElement).top);\n                let popperHeight = parseFloat(window.getComputedStyle(data.instance.popper).height);\n                let popperOffset = parseFloat(window.getComputedStyle(data.instance.popper).top);\n                let popperBorderWidth = parseFloat(stepElement.css('borderTopWidth'));\n                let popperBorderRadiusWidth = parseFloat(stepElement.css('borderTopLeftRadius')) * 2;\n                let arrowPos = arrowOffset + (arrowHeight / 2);\n                let maxPos = popperHeight + popperOffset - popperBorderWidth - popperBorderRadiusWidth;\n                let minPos = popperOffset + popperBorderWidth + popperBorderRadiusWidth;\n                if (arrowPos >= maxPos || arrowPos <= minPos) {\n                    let newArrowPos = 0;\n                    if (arrowPos > (popperHeight / 2)) {\n                        newArrowPos = maxPos - arrowHeight;\n                    } else {\n                        newArrowPos = minPos + arrowHeight;\n                    }\n                    $(arrowElement).css('top', newArrowPos);\n                }\n            } else {\n                let arrowWidth = parseFloat(window.getComputedStyle(arrowElement).width);\n                let arrowOffset = parseFloat(window.getComputedStyle(arrowElement).left);\n                let popperWidth = parseFloat(window.getComputedStyle(data.instance.popper).width);\n                let popperOffset = parseFloat(window.getComputedStyle(data.instance.popper).left);\n                let popperBorderWidth = parseFloat(stepElement.css('borderTopWidth'));\n                let popperBorderRadiusWidth = parseFloat(stepElement.css('borderTopLeftRadius')) * 2;\n                let arrowPos = arrowOffset + (arrowWidth / 2);\n                let maxPos = popperWidth + popperOffset - popperBorderWidth - popperBorderRadiusWidth;\n                let minPos = popperOffset + popperBorderWidth + popperBorderRadiusWidth;\n                if (arrowPos >= maxPos || arrowPos <= minPos) {\n                    let newArrowPos = 0;\n                    if (arrowPos > (popperWidth / 2)) {\n                        newArrowPos = maxPos - arrowWidth;\n                    } else {\n                        newArrowPos = minPos + arrowWidth;\n                    }\n                    $(arrowElement).css('left', newArrowPos);\n                }\n            }\n        };\n\n        let background = $('[data-flexitour=\"step-background\"]');\n        if (background.length) {\n            target = background;\n        }\n        this.currentStepPopper = new Popper(target, content[0], config);\n\n        return this;\n    }\n\n    /**\n     * Add the backdrop.\n     *\n     * @method  positionBackdrop\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    positionBackdrop(stepConfig) {\n        if (stepConfig.backdrop) {\n            this.currentStepConfig.hasBackdrop = true;\n            let backdrop = $('<div data-flexitour=\"backdrop\"></div>');\n\n            if (stepConfig.zIndex) {\n                if (stepConfig.attachPoint === 'append') {\n                    stepConfig.attachTo.append(backdrop);\n                } else {\n                    backdrop.insertAfter(stepConfig.attachTo);\n                }\n            } else {\n                $('body').append(backdrop);\n            }\n\n            if (this.isStepActuallyVisible(stepConfig)) {\n                // The step has a visible target.\n                // Punch a hole through the backdrop.\n                let background = $('<div data-flexitour=\"step-background\"></div>');\n\n                let targetNode = this.getStepTarget(stepConfig);\n\n                let buffer = 10;\n\n                let colorNode = targetNode;\n                if (buffer) {\n                    colorNode = $('body');\n                }\n\n                background.css({\n                    width: targetNode.outerWidth() + buffer + buffer,\n                    height: targetNode.outerHeight() + buffer + buffer,\n                    left: targetNode.offset().left - buffer,\n                    top: targetNode.offset().top - buffer,\n                    backgroundColor: this.calculateInherittedBackgroundColor(colorNode),\n                });\n\n                if (targetNode.offset().left < buffer) {\n                    background.css({\n                        width: targetNode.outerWidth() + targetNode.offset().left + buffer,\n                        left: targetNode.offset().left,\n                    });\n                }\n\n                if (targetNode.offset().top < buffer) {\n                    background.css({\n                        height: targetNode.outerHeight() + targetNode.offset().top + buffer,\n                        top: targetNode.offset().top,\n                    });\n                }\n\n                let targetRadius = targetNode.css('borderRadius');\n                if (targetRadius && targetRadius !== $('body').css('borderRadius')) {\n                    background.css('borderRadius', targetRadius);\n                }\n\n                let targetPosition = this.calculatePosition(targetNode);\n                if (targetPosition === 'fixed') {\n                    background.css('top', 0);\n                } else if (targetPosition === 'absolute') {\n                    background.css('position', 'fixed');\n                }\n\n                let fader = background.clone();\n                fader.css({\n                    backgroundColor: backdrop.css('backgroundColor'),\n                    opacity: backdrop.css('opacity'),\n                });\n                fader.attr('data-flexitour', 'step-background-fader');\n\n                if (stepConfig.zIndex) {\n                    if (stepConfig.attachPoint === 'append') {\n                        stepConfig.attachTo.append(background);\n                    } else {\n                        fader.insertAfter(stepConfig.attachTo);\n                        background.insertAfter(stepConfig.attachTo);\n                    }\n                } else {\n                    $('body').append(fader);\n                    $('body').append(background);\n                }\n\n                // Add the backdrop data to the actual target.\n                // This is the part which actually does the work.\n                targetNode.attr('data-flexitour', 'step-backdrop');\n\n                if (stepConfig.zIndex) {\n                    backdrop.css('zIndex', stepConfig.zIndex);\n                    background.css('zIndex', stepConfig.zIndex + 1);\n                    targetNode.css('zIndex', stepConfig.zIndex + 2);\n                }\n\n                fader.fadeOut('2000', function() {\n                    $(this).remove();\n                });\n            }\n        }\n        return this;\n    }\n\n    /**\n     * Calculate the inheritted z-index.\n     *\n     * @method  calculateZIndex\n     * @param   {jQuery}    elem                        The element to calculate z-index for\n     * @return  {Number}                                Calculated z-index\n     */\n    calculateZIndex(elem) {\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            // Ignore z-index if position is set to a value where z-index is ignored by the browser\n            // This makes behavior of this function consistent across browsers\n            // WebKit always returns auto if the element is positioned.\n            let position = elem.css(\"position\");\n            if (position === \"absolute\" || position === \"relative\" || position === \"fixed\") {\n                // IE returns 0 when zIndex is not specified\n                // other browsers return a string\n                // we ignore the case of nested elements with an explicit value of 0\n                // <div style=\"z-index: -10;\"><div style=\"z-index: 0;\"></div></div>\n                let value = parseInt(elem.css(\"zIndex\"), 10);\n                if (!isNaN(value) && value !== 0) {\n                    return value;\n                }\n            }\n            elem = elem.parent();\n        }\n\n        return 0;\n    }\n\n    /**\n     * Calculate the inheritted background colour.\n     *\n     * @method  calculateInherittedBackgroundColor\n     * @param   {jQuery}    elem                        The element to calculate colour for\n     * @return  {String}                                Calculated background colour\n     */\n    calculateInherittedBackgroundColor(elem) {\n        // Use a fake node to compare each element against.\n        let fakeNode = $('<div>').hide();\n        $('body').append(fakeNode);\n        let fakeElemColor = fakeNode.css('backgroundColor');\n        fakeNode.remove();\n\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            let color = elem.css('backgroundColor');\n            if (color !== fakeElemColor) {\n                return color;\n            }\n            elem = elem.parent();\n        }\n\n        return null;\n    }\n\n    /**\n     * Calculate the inheritted position.\n     *\n     * @method  calculatePosition\n     * @param   {jQuery}    elem                        The element to calculate position for\n     * @return  {String}                                Calculated position\n     */\n    calculatePosition(elem) {\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            let position = elem.css('position');\n            if (position !== 'static') {\n                return position;\n            }\n            elem = elem.parent();\n        }\n\n        return null;\n    }\n\n    /**\n     * Perform accessibility changes for step shown.\n     *\n     * This will add aria-hidden=\"true\" to all siblings and parent siblings.\n     *\n     * @method  accessibilityShow\n     */\n    accessibilityShow() {\n        let stateHolder = 'data-has-hidden';\n        let attrName = 'aria-hidden';\n        let hideFunction = function(child) {\n            let flexitourRole = child.data('flexitour');\n            if (flexitourRole) {\n                switch (flexitourRole) {\n                    case 'container':\n                    case 'target':\n                        return;\n                }\n            }\n\n            let hidden = child.attr(attrName);\n            if (!hidden) {\n                child.attr(stateHolder, true);\n                child.attr(attrName, true);\n            }\n        };\n\n        this.currentStepNode.siblings().each(function(index, node) {\n            hideFunction($(node));\n        });\n        this.currentStepNode.parentsUntil('body').siblings().each(function(index, node) {\n            hideFunction($(node));\n        });\n    }\n\n    /**\n     * Perform accessibility changes for step hidden.\n     *\n     * This will remove any newly added aria-hidden=\"true\".\n     *\n     * @method  accessibilityHide\n     */\n    accessibilityHide() {\n        let stateHolder = 'data-has-hidden';\n        let attrName = 'aria-hidden';\n        let showFunction = function(child) {\n            let hidden = child.attr(stateHolder);\n            if (typeof hidden !== 'undefined') {\n                child.removeAttr(stateHolder);\n                child.removeAttr(attrName);\n            }\n        };\n\n        $('[' + stateHolder + ']').each(function(index, node) {\n            showFunction($(node));\n        });\n    }\n}\n"],"file":"tour.min.js"}
\ No newline at end of file
diff --git a/availability/condition/completion/yui/build/moodle-availability_completion-form/moodle-availability_completion-form-min.js b/availability/condition/completion/yui/build/moodle-availability_completion-form/moodle-availability_completion-form-min.js
index 67acacbf734..668c9c5c983 100644
--- a/availability/condition/completion/yui/build/moodle-availability_completion-form/moodle-availability_completion-form-min.js
+++ b/availability/condition/completion/yui/build/moodle-availability_completion-form/moodle-availability_completion-form-min.js
@@ -1 +1 @@
-YUI.add("moodle-availability_completion-form",function(o,e){M.availability_completion=M.availability_completion||{},M.availability_completion.form=o.Object(M.core_availability.plugin),M.availability_completion.form.initInner=function(e){this.cms=e},M.availability_completion.form.getNode=function(e){var i,l,t,a='<span class="col-form-label p-r-1"> '+M.util.get_string("title","availability_completion")+'</span> <span class="availability-group form-group"><label><span class="accesshide">'+M.util.get_string("label_cm","availability_completion")+' </span><select class="custom-select" name="cm" title="'+M.util.get_string("label_cm","availability_completion")+'"><option value="0">'+M.util.get_string("choosedots","moodle")+"</option>";for(i=0;i<this.cms.length;i++)a+='<option value="'+(l=this.cms[i]).id+'">'+l.name+"</option>";return a+='</select></label> <label><span class="accesshide">'+M.util.get_string("label_completion","availability_completion")+' </span><select class="custom-select" name="e" title="'+M.util.get_string("label_completion","availability_completion")+'"><option value="1">'+M.util.get_string("option_complete","availability_completion")+'</option><option value="0">'+M.util.get_string("option_incomplete","availability_completion")+'</option><option value="2">'+M.util.get_string("option_pass","availability_completion")+'</option><option value="3">'+M.util.get_string("option_fail","availability_completion")+"</option></select></label></span>",t=o.Node.create('<span class="form-inline">'+a+"</span>"),e.cm!==undefined&&t.one("select[name=cm] > option[value="+e.cm+"]")&&t.one("select[name=cm]").set("value",""+e.cm),e.e!==undefined&&t.one("select[name=e]").set("value",""+e.e),M.availability_completion.form.addedEvents||(M.availability_completion.form.addedEvents=!0,o.one(".availability-field").delegate("change",function(){M.core_availability.form.update()},".availability_completion select")),t},M.availability_completion.form.fillValue=function(e,i){e.cm=parseInt(i.one("select[name=cm]").get("value"),10),e.e=parseInt(i.one("select[name=e]").get("value"),10)},M.availability_completion.form.fillErrors=function(i,e){var l,t=parseInt(e.one("select[name=cm]").get("value"),10);0===t&&i.push("availability_completion:error_selectcmid"),2!==(l=parseInt(e.one("select[name=e]").get("value"),10))&&3!==l||this.cms.forEach(function(e){e.id===t&&null===e.completiongradeitemnumber&&i.push("availability_completion:error_selectcmidpassfail")})}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
+YUI.add("moodle-availability_completion-form",function(o,e){M.availability_completion=M.availability_completion||{},M.availability_completion.form=o.Object(M.core_availability.plugin),M.availability_completion.form.initInner=function(e){this.cms=e},M.availability_completion.form.getNode=function(e){for(var i,l,t='<span class="col-form-label p-r-1"> '+M.util.get_string("title","availability_completion")+'</span> <span class="availability-group form-group"><label><span class="accesshide">'+M.util.get_string("label_cm","availability_completion")+' </span><select class="custom-select" name="cm" title="'+M.util.get_string("label_cm","availability_completion")+'"><option value="0">'+M.util.get_string("choosedots","moodle")+"</option>",a=0;a<this.cms.length;a++)t+='<option value="'+(i=this.cms[a]).id+'">'+i.name+"</option>";return t+='</select></label> <label><span class="accesshide">'+M.util.get_string("label_completion","availability_completion")+' </span><select class="custom-select" name="e" title="'+M.util.get_string("label_completion","availability_completion")+'"><option value="1">'+M.util.get_string("option_complete","availability_completion")+'</option><option value="0">'+M.util.get_string("option_incomplete","availability_completion")+'</option><option value="2">'+M.util.get_string("option_pass","availability_completion")+'</option><option value="3">'+M.util.get_string("option_fail","availability_completion")+"</option></select></label></span>",l=o.Node.create('<span class="form-inline">'+t+"</span>"),e.cm!==undefined&&l.one("select[name=cm] > option[value="+e.cm+"]")&&l.one("select[name=cm]").set("value",""+e.cm),e.e!==undefined&&l.one("select[name=e]").set("value",""+e.e),M.availability_completion.form.addedEvents||(M.availability_completion.form.addedEvents=!0,o.one(".availability-field").delegate("change",function(){M.core_availability.form.update()},".availability_completion select")),l},M.availability_completion.form.fillValue=function(e,i){e.cm=parseInt(i.one("select[name=cm]").get("value"),10),e.e=parseInt(i.one("select[name=e]").get("value"),10)},M.availability_completion.form.fillErrors=function(i,e){var l=parseInt(e.one("select[name=cm]").get("value"),10);0===l&&i.push("availability_completion:error_selectcmid"),2!==(e=parseInt(e.one("select[name=e]").get("value"),10))&&3!==e||this.cms.forEach(function(e){e.id===l&&null===e.completiongradeitemnumber&&i.push("availability_completion:error_selectcmidpassfail")})}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
diff --git a/availability/condition/date/yui/build/moodle-availability_date-form/moodle-availability_date-form-min.js b/availability/condition/date/yui/build/moodle-availability_date-form/moodle-availability_date-form-min.js
index 42a4d651cab..f2fa1b3e1df 100644
--- a/availability/condition/date/yui/build/moodle-availability_date-form/moodle-availability_date-form-min.js
+++ b/availability/condition/date/yui/build/moodle-availability_date-form/moodle-availability_date-form-min.js
@@ -1 +1 @@
-YUI.add("moodle-availability_date-form",function(s,e){M.availability_date=M.availability_date||{},M.availability_date.form=s.Object(M.core_availability.plugin),M.availability_date.form.initInner=function(e,a){this.html=e,this.defaultTime=a},M.availability_date.form.getNode=function(e){var a,t,i,l,n='<span class="col-form-label p-r-1">'+M.util.get_string("direction_before","availability_date")+'</span> <span class="availability-group"><label><span class="accesshide">'+M.util.get_string("direction_label","availability_date")+' </span><select name="direction" class="custom-select"><option value="&gt;=">'+M.util.get_string("direction_from","availability_date")+'</option><option value="&lt;">'+M.util.get_string("direction_until","availability_date")+"</option></select></label></span> "+this.html,o=s.Node.create("<span>"+n+"</span>");return e.t!==undefined?(o.setData("time",e.t),o.all("select:not([name=direction])").each(function(e){e.set("disabled",!0)}),a=M.cfg.wwwroot+"/availability/condition/date/ajax.php?action=fromtime&time="+e.t,s.io(a,{on:{success:function(e,a){var t,i,l=s.JSON.parse(a.responseText);for(t in l)(i=o.one("select[name=x\\["+t+"\\]]")).set("value",""+l[t]),i.set("disabled",!1)},failure:function(){window.alert(M.util.get_string("ajaxerror","availability_date"))}}})):o.setData("time",this.defaultTime),e.d!==undefined&&o.one("select[name=direction]").set("value",e.d),M.availability_date.form.addedEvents||(M.availability_date.form.addedEvents=!0,(t=s.one(".availability-field")).delegate("change",function(){M.core_availability.form.update()},".availability_date select[name=direction]"),t.delegate("change",function(){M.availability_date.form.updateTime(this.ancestor("span.availability_date"))},".availability_date select:not([name=direction])")),o.one("a[href=#]")&&(M.form.dateselector.init_single_date_selector(o),i=o.one("select[name=x\\[year\\]]"),l=i.set,i.set=function(e,a){l.call(i,e,a),"selectedIndex"===e&&setTimeout(function(){M.availability_date.form.updateTime(o)},0)}),o},M.availability_date.form.updateTime=function(t){var e=M.cfg.wwwroot+"/availability/condition/date/ajax.php?action=totime&year="+t.one("select[name=x\\[year\\]]").get("value")+"&month="+t.one("select[name=x\\[month\\]]").get("value")+"&day="+t.one("select[name=x\\[day\\]]").get("value")+"&hour="+t.one("select[name=x\\[hour\\]]").get("value")+"&minute="+t.one("select[name=x\\[minute\\]]").get("value");s.io(e,{on:{success:function(e,a){t.setData("time",a.responseText),M.core_availability.form.update()},failure:function(){window.alert(M.util.get_string("ajaxerror","availability_date"))}}})},M.availability_date.form.fillValue=function(e,a){e.d=a.one("select[name=direction]").get("value"),e.t=parseInt(a.getData("time"),10)}},"@VERSION@",{requires:["base","node","event","io","moodle-core_availability-form"]});
\ No newline at end of file
+YUI.add("moodle-availability_date-form",function(o,e){M.availability_date=M.availability_date||{},M.availability_date.form=o.Object(M.core_availability.plugin),M.availability_date.form.initInner=function(e,a){this.html=e,this.defaultTime=a},M.availability_date.form.getNode=function(e){var t,i,a='<span class="col-form-label p-r-1">'+M.util.get_string("direction_before","availability_date")+'</span> <span class="availability-group"><label><span class="accesshide">'+M.util.get_string("direction_label","availability_date")+' </span><select name="direction" class="custom-select"><option value="&gt;=">'+M.util.get_string("direction_from","availability_date")+'</option><option value="&lt;">'+M.util.get_string("direction_until","availability_date")+"</option></select></label></span> "+this.html,n=o.Node.create("<span>"+a+"</span>");return e.t!==undefined?(n.setData("time",e.t),n.all("select:not([name=direction])").each(function(e){e.set("disabled",!0)}),a=M.cfg.wwwroot+"/availability/condition/date/ajax.php?action=fromtime&time="+e.t,o.io(a,{on:{success:function(e,a){var t,i,l=o.JSON.parse(a.responseText);for(t in l)(i=n.one("select[name=x\\["+t+"\\]]")).set("value",""+l[t]),i.set("disabled",!1)},failure:function(){window.alert(M.util.get_string("ajaxerror","availability_date"))}}})):n.setData("time",this.defaultTime),e.d!==undefined&&n.one("select[name=direction]").set("value",e.d),M.availability_date.form.addedEvents||(M.availability_date.form.addedEvents=!0,(a=o.one(".availability-field")).delegate("change",function(){M.core_availability.form.update()},".availability_date select[name=direction]"),a.delegate("change",function(){M.availability_date.form.updateTime(this.ancestor("span.availability_date"))},".availability_date select:not([name=direction])")),n.one("a[href=#]")&&(M.form.dateselector.init_single_date_selector(n),t=n.one("select[name=x\\[year\\]]"),i=t.set,t.set=function(e,a){i.call(t,e,a),"selectedIndex"===e&&setTimeout(function(){M.availability_date.form.updateTime(n)},0)}),n},M.availability_date.form.updateTime=function(t){var e=M.cfg.wwwroot+"/availability/condition/date/ajax.php?action=totime&year="+t.one("select[name=x\\[year\\]]").get("value")+"&month="+t.one("select[name=x\\[month\\]]").get("value")+"&day="+t.one("select[name=x\\[day\\]]").get("value")+"&hour="+t.one("select[name=x\\[hour\\]]").get("value")+"&minute="+t.one("select[name=x\\[minute\\]]").get("value");o.io(e,{on:{success:function(e,a){t.setData("time",a.responseText),M.core_availability.form.update()},failure:function(){window.alert(M.util.get_string("ajaxerror","availability_date"))}}})},M.availability_date.form.fillValue=function(e,a){e.d=a.one("select[name=direction]").get("value"),e.t=parseInt(a.getData("time"),10)}},"@VERSION@",{requires:["base","node","event","io","moodle-core_availability-form"]});
\ No newline at end of file
diff --git a/availability/condition/grade/yui/build/moodle-availability_grade-form/moodle-availability_grade-form-min.js b/availability/condition/grade/yui/build/moodle-availability_grade-form/moodle-availability_grade-form-min.js
index 9f523aa6feb..c31899fb442 100644
--- a/availability/condition/grade/yui/build/moodle-availability_grade-form/moodle-availability_grade-form-min.js
+++ b/availability/condition/grade/yui/build/moodle-availability_grade-form/moodle-availability_grade-form-min.js
@@ -1 +1 @@
-YUI.add("moodle-availability_grade-form",function(o,a){M.availability_grade=M.availability_grade||{},M.availability_grade.form=o.Object(M.core_availability.plugin),M.availability_grade.form.grades=null,M.availability_grade.form.initInner=function(a){this.grades=a,this.nodesSoFar=0},M.availability_grade.form.getNode=function(a){var e,i,l,t,n,r;for(this.nodesSoFar++,e='<label class="form-group"><span class="p-r-1">'+M.util.get_string("title","availability_grade")+'</span> <span class="availability-group"><select name="id" class="custom-select"><option value="0">'+M.util.get_string("choosedots","moodle")+"</option>",i=0;i<this.grades.length;i++)e+='<option value="'+(l=this.grades[i]).id+'">'+l.name+"</option>";return e+='</select></span></label> <br><span class="availability-group form-group"><label><input type="checkbox" class="form-check-input mx-1" name="min"/>'+M.util.get_string("option_min","availability_grade")+'</label> <label><span class="accesshide">'+M.util.get_string("label_min","availability_grade")+'</span><input type="text" class="form-control mx-1" name="minval" title="'+M.util.get_string("label_min","availability_grade")+'"/></label>%</span><br><span class="availability-group form-group"><label><input type="checkbox" class="form-check-input mx-1" name="max"/>'+M.util.get_string("option_max","availability_grade")+'</label> <label><span class="accesshide">'+M.util.get_string("label_max","availability_grade")+'</span><input type="text" class="form-control mx-1" name="maxval" title="'+M.util.get_string("label_max","availability_grade")+'"/></label>%</span>',t=o.Node.create('<div class="d-inline-block form-inline">'+e+"</div>"),a.id!==undefined&&t.one("select[name=id] > option[value="+a.id+"]")&&t.one("select[name=id]").set("value",""+a.id),a.min!==undefined&&(t.one("input[name=min]").set("checked",!0),t.one("input[name=minval]").set("value",a.min)),a.max!==undefined&&(t.one("input[name=max]").set("checked",!0),t.one("input[name=maxval]").set("value",a.max)),n=function(a,e){var i=a.ancestor("label").next("label").one("input"),l=a.get("checked");return i.set("disabled",!l),e&&l&&i.focus(),l},t.all("input[type=checkbox]").each(n),M.availability_grade.form.addedEvents||(M.availability_grade.form.addedEvents=!0,(r=o.one(".availability-field")).delegate("change",function(){M.core_availability.form.update()},".availability_grade select[name=id]"),r.delegate("click",function(){n(this,!0),M.core_availability.form.update()},".availability_grade input[type=checkbox]"),r.delegate("valuechange",function(){M.core_availability.form.update()},".availability_grade input[type=text]")),t},M.availability_grade.form.fillValue=function(a,e){a.id=parseInt(e.one("select[name=id]").get("value"),10),e.one("input[name=min]").get("checked")&&(a.min=this.getValue("minval",e)),e.one("input[name=max]").get("checked")&&(a.max=this.getValue("maxval",e))},M.availability_grade.form.getValue=function(a,e){var i,l=e.one("input[name="+a+"]").get("value");return!/^[0-9]+([.,][0-9]+)?$/.test(l)||(i=parseFloat(l.replace(",",".")))<0||100<i?l:i},M.availability_grade.form.fillErrors=function(a,e){var i={};this.fillValue(i,e),0===i.id&&a.push("availability_grade:error_selectgradeid"),i.min!==undefined&&"string"==typeof i.min||i.max!==undefined&&"string"==typeof i.max?a.push("availability_grade:error_invalidnumber"):i.min!==undefined&&i.max!==undefined&&i.max<=i.min&&a.push("availability_grade:error_backwardrange")}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
+YUI.add("moodle-availability_grade-form",function(r,a){M.availability_grade=M.availability_grade||{},M.availability_grade.form=r.Object(M.core_availability.plugin),M.availability_grade.form.grades=null,M.availability_grade.form.initInner=function(a){this.grades=a,this.nodesSoFar=0},M.availability_grade.form.getNode=function(a){var e,i,l,t,n;for(this.nodesSoFar++,e='<label class="form-group"><span class="p-r-1">'+M.util.get_string("title","availability_grade")+'</span> <span class="availability-group"><select name="id" class="custom-select"><option value="0">'+M.util.get_string("choosedots","moodle")+"</option>",i=0;i<this.grades.length;i++)e+='<option value="'+(l=this.grades[i]).id+'">'+l.name+"</option>";return e+='</select></span></label> <br><span class="availability-group form-group"><label><input type="checkbox" class="form-check-input mx-1" name="min"/>'+M.util.get_string("option_min","availability_grade")+'</label> <label><span class="accesshide">'+M.util.get_string("label_min","availability_grade")+'</span><input type="text" class="form-control mx-1" name="minval" title="'+M.util.get_string("label_min","availability_grade")+'"/></label>%</span><br><span class="availability-group form-group"><label><input type="checkbox" class="form-check-input mx-1" name="max"/>'+M.util.get_string("option_max","availability_grade")+'</label> <label><span class="accesshide">'+M.util.get_string("label_max","availability_grade")+'</span><input type="text" class="form-control mx-1" name="maxval" title="'+M.util.get_string("label_max","availability_grade")+'"/></label>%</span>',t=r.Node.create('<div class="d-inline-block form-inline">'+e+"</div>"),a.id!==undefined&&t.one("select[name=id] > option[value="+a.id+"]")&&t.one("select[name=id]").set("value",""+a.id),a.min!==undefined&&(t.one("input[name=min]").set("checked",!0),t.one("input[name=minval]").set("value",a.min)),a.max!==undefined&&(t.one("input[name=max]").set("checked",!0),t.one("input[name=maxval]").set("value",a.max)),n=function(a,e){var i=a.ancestor("label").next("label").one("input"),a=a.get("checked");return i.set("disabled",!a),e&&a&&i.focus(),a},t.all("input[type=checkbox]").each(n),M.availability_grade.form.addedEvents||(M.availability_grade.form.addedEvents=!0,(a=r.one(".availability-field")).delegate("change",function(){M.core_availability.form.update()},".availability_grade select[name=id]"),a.delegate("click",function(){n(this,!0),M.core_availability.form.update()},".availability_grade input[type=checkbox]"),a.delegate("valuechange",function(){M.core_availability.form.update()},".availability_grade input[type=text]")),t},M.availability_grade.form.fillValue=function(a,e){a.id=parseInt(e.one("select[name=id]").get("value"),10),e.one("input[name=min]").get("checked")&&(a.min=this.getValue("minval",e)),e.one("input[name=max]").get("checked")&&(a.max=this.getValue("maxval",e))},M.availability_grade.form.getValue=function(a,e){a=e.one("input[name="+a+"]").get("value");return!/^[0-9]+([.,][0-9]+)?$/.test(a)||(e=parseFloat(a.replace(",",".")))<0||100<e?a:e},M.availability_grade.form.fillErrors=function(a,e){var i={};this.fillValue(i,e),0===i.id&&a.push("availability_grade:error_selectgradeid"),i.min!==undefined&&"string"==typeof i.min||i.max!==undefined&&"string"==typeof i.max?a.push("availability_grade:error_invalidnumber"):i.min!==undefined&&i.max!==undefined&&i.max<=i.min&&a.push("availability_grade:error_backwardrange")}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
diff --git a/availability/condition/group/yui/build/moodle-availability_group-form/moodle-availability_group-form-min.js b/availability/condition/group/yui/build/moodle-availability_group-form/moodle-availability_group-form-min.js
index bc869321417..841986656a7 100644
--- a/availability/condition/group/yui/build/moodle-availability_group-form/moodle-availability_group-form-min.js
+++ b/availability/condition/group/yui/build/moodle-availability_group-form/moodle-availability_group-form-min.js
@@ -1 +1 @@
-YUI.add("moodle-availability_group-form",function(t,i){M.availability_group=M.availability_group||{},M.availability_group.form=t.Object(M.core_availability.plugin),M.availability_group.form.groups=null,M.availability_group.form.initInner=function(i){this.groups=i},M.availability_group.form.getNode=function(i){var a,e,l,o='<label><span class="p-r-1">'+M.util.get_string("title","availability_group")+'</span> <span class="availability-group"><select name="id" class="custom-select"><option value="choose">'+M.util.get_string("choosedots","moodle")+'</option><option value="any">'+M.util.get_string("anygroup","availability_group")+"</option>";for(a=0;a<this.groups.length;a++)o+='<option value="'+(e=this.groups[a]).id+'">'+e.name+"</option>";return o+="</select></span></label>",l=t.Node.create('<span class="form-inline">'+o+"</span>"),i.creating===undefined&&(i.id!==undefined&&l.one("select[name=id] > option[value="+i.id+"]")?l.one("select[name=id]").set("value",""+i.id):i.id===undefined&&l.one("select[name=id]").set("value","any")),M.availability_group.form.addedEvents||(M.availability_group.form.addedEvents=!0,t.one(".availability-field").delegate("change",function(){M.core_availability.form.update()},".availability_group select")),l},M.availability_group.form.fillValue=function(i,a){var e=a.one("select[name=id]").get("value");"choose"===e?i.id="choose":"any"!==e&&(i.id=parseInt(e,10))},M.availability_group.form.fillErrors=function(i,a){var e={};this.fillValue(e,a),e.id&&"choose"===e.id&&i.push("availability_group:error_selectgroup")}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
+YUI.add("moodle-availability_group-form",function(t,i){M.availability_group=M.availability_group||{},M.availability_group.form=t.Object(M.core_availability.plugin),M.availability_group.form.groups=null,M.availability_group.form.initInner=function(i){this.groups=i},M.availability_group.form.getNode=function(i){for(var a,e,l='<label><span class="p-r-1">'+M.util.get_string("title","availability_group")+'</span> <span class="availability-group"><select name="id" class="custom-select"><option value="choose">'+M.util.get_string("choosedots","moodle")+'</option><option value="any">'+M.util.get_string("anygroup","availability_group")+"</option>",o=0;o<this.groups.length;o++)l+='<option value="'+(a=this.groups[o]).id+'">'+a.name+"</option>";return e=t.Node.create('<span class="form-inline">'+(l+="</select></span></label>")+"</span>"),i.creating===undefined&&(i.id!==undefined&&e.one("select[name=id] > option[value="+i.id+"]")?e.one("select[name=id]").set("value",""+i.id):i.id===undefined&&e.one("select[name=id]").set("value","any")),M.availability_group.form.addedEvents||(M.availability_group.form.addedEvents=!0,t.one(".availability-field").delegate("change",function(){M.core_availability.form.update()},".availability_group select")),e},M.availability_group.form.fillValue=function(i,a){a=a.one("select[name=id]").get("value");"choose"===a?i.id="choose":"any"!==a&&(i.id=parseInt(a,10))},M.availability_group.form.fillErrors=function(i,a){var e={};this.fillValue(e,a),e.id&&"choose"===e.id&&i.push("availability_group:error_selectgroup")}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
diff --git a/availability/condition/grouping/yui/build/moodle-availability_grouping-form/moodle-availability_grouping-form-min.js b/availability/condition/grouping/yui/build/moodle-availability_grouping-form/moodle-availability_grouping-form-min.js
index 4430bd6dc8d..796e1ca7352 100644
--- a/availability/condition/grouping/yui/build/moodle-availability_grouping-form/moodle-availability_grouping-form-min.js
+++ b/availability/condition/grouping/yui/build/moodle-availability_grouping-form/moodle-availability_grouping-form-min.js
@@ -1 +1 @@
-YUI.add("moodle-availability_grouping-form",function(n,i){M.availability_grouping=M.availability_grouping||{},M.availability_grouping.form=n.Object(M.core_availability.plugin),M.availability_grouping.form.groupings=null,M.availability_grouping.form.initInner=function(i){this.groupings=i},M.availability_grouping.form.getNode=function(i){var a,e,l,o='<label><span class="p-r-1">'+M.util.get_string("title","availability_grouping")+'</span> <span class="availability-group"><select name="id" class="custom-select"><option value="choose">'+M.util.get_string("choosedots","moodle")+"</option>";for(a=0;a<this.groupings.length;a++)o+='<option value="'+(e=this.groupings[a]).id+'">'+e.name+"</option>";return o+="</select></span></label>",l=n.Node.create('<span class="form-inline">'+o+"</span>"),i.id!==undefined&&l.one("select[name=id] > option[value="+i.id+"]")&&l.one("select[name=id]").set("value",""+i.id),M.availability_grouping.form.addedEvents||(M.availability_grouping.form.addedEvents=!0,n.one(".availability-field").delegate("change",function(){M.core_availability.form.update()},".availability_grouping select")),l},M.availability_grouping.form.fillValue=function(i,a){var e=a.one("select[name=id]").get("value");i.id="choose"===e?"choose":parseInt(e,10)},M.availability_grouping.form.fillErrors=function(i,a){var e={};this.fillValue(e,a),"choose"===e.id&&i.push("availability_grouping:error_selectgrouping")}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
+YUI.add("moodle-availability_grouping-form",function(n,i){M.availability_grouping=M.availability_grouping||{},M.availability_grouping.form=n.Object(M.core_availability.plugin),M.availability_grouping.form.groupings=null,M.availability_grouping.form.initInner=function(i){this.groupings=i},M.availability_grouping.form.getNode=function(i){for(var a,e,l='<label><span class="p-r-1">'+M.util.get_string("title","availability_grouping")+'</span> <span class="availability-group"><select name="id" class="custom-select"><option value="choose">'+M.util.get_string("choosedots","moodle")+"</option>",o=0;o<this.groupings.length;o++)l+='<option value="'+(a=this.groupings[o]).id+'">'+a.name+"</option>";return e=n.Node.create('<span class="form-inline">'+(l+="</select></span></label>")+"</span>"),i.id!==undefined&&e.one("select[name=id] > option[value="+i.id+"]")&&e.one("select[name=id]").set("value",""+i.id),M.availability_grouping.form.addedEvents||(M.availability_grouping.form.addedEvents=!0,n.one(".availability-field").delegate("change",function(){M.core_availability.form.update()},".availability_grouping select")),e},M.availability_grouping.form.fillValue=function(i,a){a=a.one("select[name=id]").get("value");i.id="choose"===a?"choose":parseInt(a,10)},M.availability_grouping.form.fillErrors=function(i,a){var e={};this.fillValue(e,a),"choose"===e.id&&i.push("availability_grouping:error_selectgrouping")}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
diff --git a/availability/condition/profile/yui/build/moodle-availability_profile-form/moodle-availability_profile-form-min.js b/availability/condition/profile/yui/build/moodle-availability_profile-form/moodle-availability_profile-form-min.js
index 945137ab227..158a6d4c128 100644
--- a/availability/condition/profile/yui/build/moodle-availability_profile-form/moodle-availability_profile-form-min.js
+++ b/availability/condition/profile/yui/build/moodle-availability_profile-form/moodle-availability_profile-form-min.js
@@ -1 +1 @@
-YUI.add("moodle-availability_profile-form",function(f,e){M.availability_profile=M.availability_profile||{},M.availability_profile.form=f.Object(M.core_availability.plugin),M.availability_profile.form.profiles=null,M.availability_profile.form.initInner=function(e,i){this.standardFields=e,this.customFields=i},M.availability_profile.form.getNode=function(e){var i,l,a,t,o,s,n='<span class="availability-group"><label><span class="p-r-1">'+M.util.get_string("conditiontitle","availability_profile")+'</span> <select name="field" class="custom-select"><option value="choose">'+M.util.get_string("choosedots","moodle")+"</option>";for(l=0;l<this.standardFields.length;l++)n+='<option value="sf_'+(i=this.standardFields[l]).field+'">'+i.display+"</option>";for(l=0;l<this.customFields.length;l++)n+='<option value="cf_'+(i=this.customFields[l]).field+'">'+i.display+"</option>";for(n+='</select></label> <label><span class="accesshide">'+M.util.get_string("label_operator","availability_profile")+' </span><select name="op" title="'+M.util.get_string("label_operator","availability_profile")+'" class="custom-select">',a=["isequalto","contains","doesnotcontain","startswith","endswith","isempty","isnotempty"],l=0;l<a.length;l++)n+='<option value="'+a[l]+'">'+M.util.get_string("op_"+a[l],"availability_profile")+"</option>";return n+='</select></label> <label><span class="accesshide">'+M.util.get_string("label_value","availability_profile")+'</span><input name="value" type="text" class="form-control" style="width: 10em" title="'+M.util.get_string("label_value","availability_profile")+'"/></label></span>',t=f.Node.create('<span class="form-inline">'+n+"</span>"),e.sf!==undefined&&t.one("select[name=field] > option[value=sf_"+e.sf+"]")?t.one("select[name=field]").set("value","sf_"+e.sf):e.cf!==undefined&&t.one("select[name=field] > option[value=cf_"+e.cf+"]")&&t.one("select[name=field]").set("value","cf_"+e.cf),e.op!==undefined&&t.one("select[name=op] > option[value="+e.op+"]")&&(t.one("select[name=op]").set("value",e.op),"isempty"!==e.op&&"isnotempty"!==e.op||t.one("input[name=value]").set("disabled",!0)),e.v!==undefined&&t.one("input").set("value",e.v),M.availability_profile.form.addedEvents||(M.availability_profile.form.addedEvents=!0,o=function(e){var i=e.ancestor("span.availability_profile"),l=i.one("select[name=op]"),a="isempty"===l.get("value")||"isnotempty"===l.get("value");i.one("input[name=value]").set("disabled",a),M.core_availability.form.update()},(s=f.one(".availability-field")).delegate("change",function(){o(this)},".availability_profile select"),s.delegate("change",function(){o(this)},".availability_profile input[name=value]")),t},M.availability_profile.form.fillValue=function(e,i){var l,a=i.one("select[name=field]").get("value");"sf_"===a.substr(0,3)?e.sf=a.substr(3):"cf_"===a.substr(0,3)&&(e.cf=a.substr(3)),e.op=i.one("select[name=op]").get("value"),(l=i.one("input[name=value]")).get("disabled")||(e.v=l.get("value"))},M.availability_profile.form.fillErrors=function(e,i){var l={};this.fillValue(l,i),l.sf===undefined&&l.cf===undefined&&e.push("availability_profile:error_selectfield"),l.v!==undefined&&/^\s*$/.test(l.v)&&e.push("availability_profile:error_setvalue")}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
+YUI.add("moodle-availability_profile-form",function(n,e){M.availability_profile=M.availability_profile||{},M.availability_profile.form=n.Object(M.core_availability.plugin),M.availability_profile.form.profiles=null,M.availability_profile.form.initInner=function(e,i){this.standardFields=e,this.customFields=i},M.availability_profile.form.getNode=function(e){for(var i,l,a,t,o='<span class="availability-group"><label><span class="p-r-1">'+M.util.get_string("conditiontitle","availability_profile")+'</span> <select name="field" class="custom-select"><option value="choose">'+M.util.get_string("choosedots","moodle")+"</option>",s=0;s<this.standardFields.length;s++)o+='<option value="sf_'+(i=this.standardFields[s]).field+'">'+i.display+"</option>";for(s=0;s<this.customFields.length;s++)o+='<option value="cf_'+(i=this.customFields[s]).field+'">'+i.display+"</option>";for(o+='</select></label> <label><span class="accesshide">'+M.util.get_string("label_operator","availability_profile")+' </span><select name="op" title="'+M.util.get_string("label_operator","availability_profile")+'" class="custom-select">',l=["isequalto","contains","doesnotcontain","startswith","endswith","isempty","isnotempty"],s=0;s<l.length;s++)o+='<option value="'+l[s]+'">'+M.util.get_string("op_"+l[s],"availability_profile")+"</option>";return o+='</select></label> <label><span class="accesshide">'+M.util.get_string("label_value","availability_profile")+'</span><input name="value" type="text" class="form-control" style="width: 10em" title="'+M.util.get_string("label_value","availability_profile")+'"/></label></span>',a=n.Node.create('<span class="form-inline">'+o+"</span>"),e.sf!==undefined&&a.one("select[name=field] > option[value=sf_"+e.sf+"]")?a.one("select[name=field]").set("value","sf_"+e.sf):e.cf!==undefined&&a.one("select[name=field] > option[value=cf_"+e.cf+"]")&&a.one("select[name=field]").set("value","cf_"+e.cf),e.op!==undefined&&a.one("select[name=op] > option[value="+e.op+"]")&&(a.one("select[name=op]").set("value",e.op),"isempty"!==e.op&&"isnotempty"!==e.op||a.one("input[name=value]").set("disabled",!0)),e.v!==undefined&&a.one("input").set("value",e.v),M.availability_profile.form.addedEvents||(M.availability_profile.form.addedEvents=!0,t=function(e){var e=e.ancestor("span.availability_profile"),i=e.one("select[name=op]"),i="isempty"===i.get("value")||"isnotempty"===i.get("value");e.one("input[name=value]").set("disabled",i),M.core_availability.form.update()},(e=n.one(".availability-field")).delegate("change",function(){t(this)},".availability_profile select"),e.delegate("change",function(){t(this)},".availability_profile input[name=value]")),a},M.availability_profile.form.fillValue=function(e,i){var l=i.one("select[name=field]").get("value");"sf_"===l.substr(0,3)?e.sf=l.substr(3):"cf_"===l.substr(0,3)&&(e.cf=l.substr(3)),e.op=i.one("select[name=op]").get("value"),(l=i.one("input[name=value]")).get("disabled")||(e.v=l.get("value"))},M.availability_profile.form.fillErrors=function(e,i){var l={};this.fillValue(l,i),l.sf===undefined&&l.cf===undefined&&e.push("availability_profile:error_selectfield"),l.v!==undefined&&/^\s*$/.test(l.v)&&e.push("availability_profile:error_setvalue")}},"@VERSION@",{requires:["base","node","event","moodle-core_availability-form"]});
\ No newline at end of file
diff --git a/availability/yui/build/moodle-core_availability-form/moodle-core_availability-form-min.js b/availability/yui/build/moodle-core_availability-form/moodle-core_availability-form-min.js
index fc4f8d51d4a..e8f2ae55109 100644
--- a/availability/yui/build/moodle-core_availability-form/moodle-core_availability-form-min.js
+++ b/availability/yui/build/moodle-core_availability-form/moodle-core_availability-form-min.js
@@ -1,3 +1,3 @@
-YUI.add("moodle-core_availability-form",function(c,i){M.core_availability=M.core_availability||{},M.core_availability.form={plugins:{},field:null,mainDiv:null,rootList:null,idCounter:0,restrictByGroup:null,init:function(i){var t,e,a,l,n,o,s;for(t in i)e=i[t],(a=M[e[0]].form).init.apply(a,e);if(this.field=c.one("#id_availabilityconditionsjson"),this.field.setAttribute("aria-hidden","true"),this.mainDiv=c.Node.create('<div class="availability-field fcontainer"></div>'),this.field.insert(this.mainDiv,"after"),n=null,""!==(l=this.field.get("value")))try{n=c.JSON.parse(l)}catch(r){this.field.set("value","")}this.rootList=new M.core_availability.List(n,!0),this.mainDiv.appendChild(this.rootList.node),this.update(),this.rootList.renumber(),this.mainDiv.setAttribute("aria-live","polite"),this.field.ancestor("form").on("submit",function(){this.mainDiv.all("input,textarea,select").set("disabled",!0)},this),this.restrictByGroup=c.one("#restrictbygroup"),this.restrictByGroup&&(this.restrictByGroup.on("click",this.addRestrictByGroup,this),o=c.one("#id_groupmode"),s=c.one("#id_groupingid"),o&&o.on("change",this.updateRestrictByGroup,this),s&&s.on("change",this.updateRestrictByGroup,this),this.updateRestrictByGroup())},update:function(){var i=this.rootList.getValue(),t=[];this.rootList.fillErrors(t),0!==t.length&&(i.errors=t),this.field.set("value",c.JSON.stringify(i)),this.updateRestrictByGroup()},updateRestrictByGroup:function(){var i,t,e,a;this.restrictByGroup&&("&"!==this.rootList.getValue().op||(this.rootList.hasItemOfType("group")||this.rootList.hasItemOfType("grouping"))?this.restrictByGroup.set("disabled",!0):(i=c.one("#id_groupmode"),t=c.one("#id_groupingid"),e=1===Number(this.restrictByGroup.getData("groupavailability")),a=1===Number(this.restrictByGroup.getData("groupingavailability")),i&&0!==Number(i.get("value"))&&e||t&&0!==Number(t.get("value"))&&a?this.restrictByGroup.set("disabled",!1):this.restrictByGroup.set("disabled",!0)))},addRestrictByGroup:function(i){var t,e,a,l,n;i.preventDefault(),t=c.one("#id_groupmode"),e=c.one("#id_groupingid"),a=1===Number(this.restrictByGroup.getData("groupavailability")),l=1===Number(this.restrictByGroup.getData("groupingavailability")),e&&0!==Number(e.get("value"))&&l?n=new M.core_availability.Item({type:"grouping",id:Number(e.get("value"))},!0):t&&a&&(n=new M.core_availability.Item({type:"group"},!0)),null!==n&&(this.rootList.addChild(n),this.update(),this.rootList.renumber(),this.rootList.updateHtml())}},M.core_availability.plugin={allowAdd:!1,init:function(i,t,e){var a=i.replace(/^availability_/,"");this.allowAdd=t,(M.core_availability.form.plugins[a]=this).initInner.apply(this,e)},initInner:function(){},getNode:function(){throw"getNode not implemented"},fillValue:function(){throw"fillValue not implemented"},fillErrors:function(){},focusAfterAdd:function(i){i.one("input:not([disabled]),select:not([disabled])").focus()}},M.core_availability.List=function(i,t,e){var a,l,n,o,s,r,d;if(this.children=[],t!==undefined&&(this.root=t),this.node=c.Node.create('<div class="availability-list"><h3 class="accesshide"></h3><div class="availability-inner"><div class="availability-header mb-1"><span>'+M.util.get_string("listheader_sign_before","availability")+'</span> <label><span class="accesshide">'+M.util.get_string("label_sign","availability")+' </span><select class="availability-neg custom-select mx-1" title="'+M.util.get_string("label_sign","availability")+'"><option value="">'+M.util.get_string("listheader_sign_pos","availability")+'</option><option value="!">'+M.util.get_string("listheader_sign_neg","availability")+'</option></select></label> <span class="availability-single">'+M.util.get_string("listheader_single","availability")+'</span><span class="availability-multi">'+M.util.get_string("listheader_multi_before","availability")+' <label><span class="accesshide">'+M.util.get_string("label_multi","availability")+' </span><select class="availability-op custom-select mx-1" title="'+M.util.get_string("label_multi","availability")+'"><option value="&">'+M.util.get_string("listheader_multi_and","availability")+'</option><option value="|">'+M.util.get_string("listheader_multi_or","availability")+"</option></select></label> "+M.util.get_string("listheader_multi_after","availability")+'</span></div><div class="availability-children"></div><div class="availability-none"><span class="p-x-1">'+M.util.get_string("none","moodle")+'</span></div><div class="clearfix mt-1"></div><div class="availability-button"></div></div><div class="clearfix"></div></div>'),t||this.node.addClass("availability-childlist d-sm-flex align-items-center"),this.inner=this.node.one("> .availability-inner"),a=!0,t?(i&&i.show!==undefined&&(a=i.show),this.eyeIcon=new M.core_availability.EyeIcon(!1,a),this.node.one(".availability-header").get("firstChild").insert(this.eyeIcon.span,"before")):e&&(i&&i.showc!==undefined&&(a=i.showc),this.eyeIcon=new M.core_availability.EyeIcon(!1,a),this.inner.insert(this.eyeIcon.span,"before")),t||(l=new M.core_availability.DeleteIcon(this),(n=this.node.one(".availability-none")).appendChild(document.createTextNode(" ")),n.appendChild(l.span),n.appendChild(c.Node.create('<span class="mt-1 badge badge-warning">'+M.util.get_string("invalid","availability")+"</span>"))),(o=c.Node.create('<button type="button" class="btn btn-secondary mt-1">'+M.util.get_string("addrestriction","availability")+"</button>")).on("click",function(){this.clickAdd()},this),this.node.one("div.availability-button").appendChild(o),i){switch(i.op){case"&":case"|":this.node.one(".availability-neg").set("value","");break;case"!&":case"!|":this.node.one(".availability-neg").set("value","!")}switch(i.op){case"&":case"!&":this.node.one(".availability-op").set("value","&");break;case"|":case"!|":this.node.one(".availability-op").set("value","|")}for(s=0;s<i.c.length;s++)r=i.c[s],this.root&&i&&i.showc!==undefined&&(r.showc=i.showc[s]),d=r.type!==undefined?new M.core_availability.Item(r,this.root
-):new M.core_availability.List(r,!1,this.root),this.addChild(d)}this.node.one(".availability-neg").on("change",function(){M.core_availability.form.update(),this.updateHtml()},this),this.node.one(".availability-op").on("change",function(){M.core_availability.form.update(),this.updateHtml()},this),this.updateHtml()},M.core_availability.List.prototype.addChild=function(i){0<this.children.length&&this.inner.one(".availability-children").appendChild(c.Node.create('<div class="availability-connector"><span class="label"></span></div>')),this.children.push(i),this.inner.one(".availability-children").appendChild(i.node)},M.core_availability.List.prototype.focusAfterAdd=function(){this.inner.one("button").focus()},M.core_availability.List.prototype.isIndividualShowIcons=function(){var i,t;if(!this.root)throw"Can only call this on root list";return i="!"===this.node.one(".availability-neg").get("value"),t="|"===this.node.one(".availability-op").get("value"),!i&&!t||i&&t},M.core_availability.List.prototype.renumber=function(i){var t,e,a,l={count:this.children.length};for(t=i===undefined?l.number="":(l.number=i+":",i+"."),e=M.util.get_string("setheading","availability",l),this.node.one("> h3").set("innerHTML",e),a=0;a<this.children.length;a++)this.children[a].renumber(t+(a+1))},M.core_availability.List.prototype.updateHtml=function(){var i,t,e,a;if(0<this.children.length?(this.inner.one("> .availability-children").removeAttribute("aria-hidden"),this.inner.one("> .availability-none").setAttribute("aria-hidden","true"),this.inner.one("> .availability-header").removeAttribute("aria-hidden"),1<this.children.length?(this.inner.one(".availability-single").setAttribute("aria-hidden","true"),this.inner.one(".availability-multi").removeAttribute("aria-hidden")):(this.inner.one(".availability-single").removeAttribute("aria-hidden"),this.inner.one(".availability-multi").setAttribute("aria-hidden","true"))):(this.inner.one("> .availability-children").setAttribute("aria-hidden","true"),this.inner.one("> .availability-none").removeAttribute("aria-hidden"),this.inner.one("> .availability-header").setAttribute("aria-hidden","true")),this.root){for(i=this.isIndividualShowIcons(),t=0;t<this.children.length;t++)e=this.children[t],i?e.eyeIcon.span.removeAttribute("aria-hidden"):e.eyeIcon.span.setAttribute("aria-hidden","true");i?this.eyeIcon.span.setAttribute("aria-hidden","true"):this.eyeIcon.span.removeAttribute("aria-hidden")}a="&"===this.inner.one(".availability-op").get("value")?M.util.get_string("and","availability"):M.util.get_string("or","availability"),this.inner.all("> .availability-children > .availability-connector span.label").each(function(i){i.set("innerHTML",a)})},M.core_availability.List.prototype.deleteDescendant=function(i){var t,e,a;for(t=0;t<this.children.length;t++){if((e=this.children[t])===i)return this.children.splice(t,1),a=e.node,0<this.children.length&&(a.previous(".availability-connector")?a.previous(".availability-connector").remove():a.next(".availability-connector").remove()),this.inner.one("> .availability-children").removeChild(a),M.core_availability.form.update(),this.updateHtml(),this.inner.one("> .availability-button").one("button").focus(),!0;if(e instanceof M.core_availability.List&&e.deleteDescendant(i))return!0}return!1},M.core_availability.List.prototype.clickAdd=function(){var i,t,e,a,l,n,o=c.Node.create('<div><ul class="list-unstyled container-fluid"></ul><div class="availability-buttons mdl-align"><button type="button" class="btn btn-secondary">'+M.util.get_string("cancel","moodle")+"</button></div></div>"),s=o.one("button"),r={dialog:null},d=o.one("ul");for(l in M.core_availability.form.plugins)M.core_availability.form.plugins[l].allowAdd&&(i=c.Node.create('<li class="clearfix row"></li>'),t="availability_addrestriction_"+l,(e=c.Node.create('<div class="col-6"><button type="button" class="btn btn-secondary w-100"id="'+t+'">'+M.util.get_string("title","availability_"+l)+"</button></div>")).on("click",this.getAddHandler(l,r),this),i.appendChild(e),a=c.Node.create('<div class="col-6"><label for="'+t+'">'+M.util.get_string("description","availability_"+l)+"</label></div>"),i.appendChild(a),d.appendChild(i));i=c.Node.create('<li class="clearfix row"></li>'),t="availability_addrestriction_list_",(e=c.Node.create('<div class="col-6"><button type="button" class="btn btn-secondary w-100"id="'+t+'">'+M.util.get_string("condition_group","availability")+"</button></div>")).on("click",this.getAddHandler(null,r),this),i.appendChild(e),a=c.Node.create('<div class="col-6"><label for="'+t+'">'+M.util.get_string("condition_group_info","availability")+"</label></div>"),i.appendChild(a),d.appendChild(i),n={headerContent:M.util.get_string("addrestriction","availability"),bodyContent:o,additionalBaseClass:"availability-dialogue",draggable:!0,modal:!0,closeButton:!1,width:"450px"},r.dialog=new M.core.dialogue(n),r.dialog.show(),s.on("click",function(){r.dialog.destroy(),this.inner.one("> .availability-button").one("button").focus()},this)},M.core_availability.List.prototype.getAddHandler=function(t,e){return function(){var i;i=t?new M.core_availability.Item({type:t,creating:!0},this.root):new M.core_availability.List({c:[],showc:!0},!1,this.root),this.addChild(i),M.core_availability.form.update(),M.core_availability.form.rootList.renumber(),this.updateHtml(),e.dialog.destroy(),i.focusAfterAdd()}},M.core_availability.List.prototype.getValue=function(){var i,t={};for(t.op=this.node.one(".availability-neg").get("value")+this.node.one(".availability-op").get("value"),t.c=[],i=0;i<this.children.length;i++)t.c.push(this.children[i].getValue());if(this.root)if(this.isIndividualShowIcons())for(t.showc=[],i=0;i<this.children.length;i++)t.showc.push(!this.children[i].eyeIcon.isHidden());else t.show=!this.eyeIcon.isHidden();return t},M.core_availability.List.prototype.fillErrors=function(i){0!==this.children.length||this.root||i.push("availability:error_list_nochildren");for(
-var t=0;t<this.children.length;t++)this.children[t].fillErrors(i)},M.core_availability.List.prototype.hasItemOfType=function(i){var t,e;for(t=0;t<this.children.length;t++)if((e=this.children[t])instanceof M.core_availability.List){if(e.hasItemOfType(i))return!0}else if(e.pluginType===i)return!0;return!1},M.core_availability.List.prototype.eyeIcon=null,M.core_availability.List.prototype.root=!1,M.core_availability.List.prototype.children=null,M.core_availability.List.prototype.node=null,M.core_availability.List.prototype.inner=null,M.core_availability.Item=function(i,t){var e,a;this.pluginType=i.type,M.core_availability.form.plugins[i.type]===undefined?(this.plugin=null,this.pluginNode=c.Node.create('<div class="availability-warning">'+M.util.get_string("missingplugin","availability")+"</div>")):(this.plugin=M.core_availability.form.plugins[i.type],this.pluginNode=this.plugin.getNode(i),this.pluginNode.addClass("availability_"+i.type)),this.node=c.Node.create('<div class="availability-item d-sm-flex align-items-center"><h3 class="accesshide"></h3></div>'),t&&(e=!0,i.showc!==undefined&&(e=i.showc),this.eyeIcon=new M.core_availability.EyeIcon(!0,e),this.node.appendChild(this.eyeIcon.span)),this.pluginNode.addClass("availability-plugincontrols"),this.node.appendChild(this.pluginNode),a=new M.core_availability.DeleteIcon(this),this.node.appendChild(a.span),this.node.appendChild(document.createTextNode(" ")),this.node.appendChild(c.Node.create('<span class="badge badge-warning"/>'))},M.core_availability.Item.prototype.getValue=function(){var i={type:this.pluginType};return this.plugin&&this.plugin.fillValue(i,this.pluginNode),i},M.core_availability.Item.prototype.fillErrors=function(i){var t,e=i.length;this.plugin?this.plugin.fillErrors(i,this.pluginNode):i.push("core_availability:item_unknowntype"),t=this.node.one("> .badge-warning"),i.length===e||t.get("firstChild")?i.length===e&&t.get("firstChild")&&t.get("firstChild").remove():t.appendChild(document.createTextNode(M.util.get_string("invalid","availability")))},M.core_availability.Item.prototype.renumber=function(i){var t,e={number:i};this.plugin?e.type=M.util.get_string("title","availability_"+this.pluginType):e.type="["+this.pluginType+"]",e.number=i+":",t=M.util.get_string("itemheading","availability",e),this.node.one("> h3").set("innerHTML",t)},M.core_availability.Item.prototype.focusAfterAdd=function(){this.plugin.focusAfterAdd(this.pluginNode)},M.core_availability.Item.prototype.pluginType=null,M.core_availability.Item.prototype.plugin=null,M.core_availability.Item.prototype.eyeIcon=null,M.core_availability.Item.prototype.node=null,M.core_availability.Item.prototype.pluginNode=null,M.core_availability.EyeIcon=function(i,t){var e,a,l,n,o;this.individual=i,this.span=c.Node.create('<a class="availability-eye col-form-label" href="#" role="button">'),e=c.Node.create("<img />"),this.span.appendChild(e),a=i?"_individual":"_all",l=function(){var i=M.util.get_string("hidden"+a,"availability");e.set("src",M.util.image_url("i/show","core")),e.set("alt",i),this.span.set("title",i+" • "+M.util.get_string("show_verb","availability"))},n=function(){var i=M.util.get_string("shown"+a,"availability");e.set("src",M.util.image_url("i/hide","core")),e.set("alt",i),this.span.set("title",i+" • "+M.util.get_string("hide_verb","availability"))},t?n.call(this):l.call(this),o=function(i){i.preventDefault(),this.isHidden()?n.call(this):l.call(this),M.core_availability.form.update()},this.span.on("click",o,this),this.span.on("key",o,"up:32",this),this.span.on("key",function(i){i.preventDefault()},"down:32",this)},M.core_availability.EyeIcon.prototype.individual=!1,M.core_availability.EyeIcon.prototype.span=null,M.core_availability.EyeIcon.prototype.isHidden=function(){var i=this.individual?"_individual":"_all",t=M.util.get_string("hidden"+i,"availability");return this.span.one("img").get("alt")===t},M.core_availability.DeleteIcon=function(t){var i,e;this.span=c.Node.create('<a class="d-inline-block col-form-label availability-delete p-x-1" href="#" title="'+M.util.get_string("delete","moodle")+'" role="button">'),i=c.Node.create('<img src="'+M.util.image_url("t/delete","core")+'" alt="'+M.util.get_string("delete","moodle")+'" />'),this.span.appendChild(i),e=function(i){i.preventDefault(),M.core_availability.form.rootList.deleteDescendant(t),M.core_availability.form.rootList.renumber()},this.span.on("click",e,this),this.span.on("key",e,"up:32",this),this.span.on("key",function(i){i.preventDefault()},"down:32",this)},M.core_availability.DeleteIcon.prototype.span=null},"@VERSION@",{requires:["base","node","event","event-delegate","panel","moodle-core-notification-dialogue","json"]});
\ No newline at end of file
+YUI.add("moodle-core_availability-form",function(d,i){M.core_availability=M.core_availability||{},M.core_availability.form={plugins:{},field:null,mainDiv:null,rootList:null,idCounter:0,restrictByGroup:null,init:function(i){var t,e,a,l,n;for(t in i)e=i[t],(a=M[e[0]].form).init.apply(a,e);if(this.field=d.one("#id_availabilityconditionsjson"),this.field.setAttribute("aria-hidden","true"),this.mainDiv=d.Node.create('<div class="availability-field fcontainer"></div>'),this.field.insert(this.mainDiv,"after"),n=null,""!==(l=this.field.get("value")))try{n=d.JSON.parse(l)}catch(o){this.field.set("value","")}this.rootList=new M.core_availability.List(n,!0),this.mainDiv.appendChild(this.rootList.node),this.update(),this.rootList.renumber(),this.mainDiv.setAttribute("aria-live","polite"),this.field.ancestor("form").on("submit",function(){this.mainDiv.all("input,textarea,select").set("disabled",!0)},this),this.restrictByGroup=d.one("#restrictbygroup"),this.restrictByGroup&&(this.restrictByGroup.on("click",this.addRestrictByGroup,this),l=d.one("#id_groupmode"),n=d.one("#id_groupingid"),l&&l.on("change",this.updateRestrictByGroup,this),n&&n.on("change",this.updateRestrictByGroup,this),this.updateRestrictByGroup())},update:function(){var i=this.rootList.getValue(),t=[];this.rootList.fillErrors(t),0!==t.length&&(i.errors=t),this.field.set("value",d.JSON.stringify(i)),this.updateRestrictByGroup()},updateRestrictByGroup:function(){var i,t,e,a;this.restrictByGroup&&("&"!==this.rootList.getValue().op||(this.rootList.hasItemOfType("group")||this.rootList.hasItemOfType("grouping"))?this.restrictByGroup.set("disabled",!0):(i=d.one("#id_groupmode"),t=d.one("#id_groupingid"),e=1===Number(this.restrictByGroup.getData("groupavailability")),a=1===Number(this.restrictByGroup.getData("groupingavailability")),i&&0!==Number(i.get("value"))&&e||t&&0!==Number(t.get("value"))&&a?this.restrictByGroup.set("disabled",!1):this.restrictByGroup.set("disabled",!0)))},addRestrictByGroup:function(i){var t,e,a,l;i.preventDefault(),i=d.one("#id_groupmode"),t=d.one("#id_groupingid"),e=1===Number(this.restrictByGroup.getData("groupavailability")),a=1===Number(this.restrictByGroup.getData("groupingavailability")),t&&0!==Number(t.get("value"))&&a?l=new M.core_availability.Item({type:"grouping",id:Number(t.get("value"))},!0):i&&e&&(l=new M.core_availability.Item({type:"group"},!0)),null!==l&&(this.rootList.addChild(l),this.update(),this.rootList.renumber(),this.rootList.updateHtml())}},M.core_availability.plugin={allowAdd:!1,init:function(i,t,e){i=i.replace(/^availability_/,"");this.allowAdd=t,(M.core_availability.form.plugins[i]=this).initInner.apply(this,e)},initInner:function(){},getNode:function(){throw"getNode not implemented"},fillValue:function(){throw"fillValue not implemented"},fillErrors:function(){},focusAfterAdd:function(i){i.one("input:not([disabled]),select:not([disabled])").focus()}},M.core_availability.List=function(i,t,e){var a,l,n;if(this.children=[],t!==undefined&&(this.root=t),this.node=d.Node.create('<div class="availability-list"><h3 class="accesshide"></h3><div class="availability-inner"><div class="availability-header mb-1"><span>'+M.util.get_string("listheader_sign_before","availability")+'</span> <label><span class="accesshide">'+M.util.get_string("label_sign","availability")+' </span><select class="availability-neg custom-select mx-1" title="'+M.util.get_string("label_sign","availability")+'"><option value="">'+M.util.get_string("listheader_sign_pos","availability")+'</option><option value="!">'+M.util.get_string("listheader_sign_neg","availability")+'</option></select></label> <span class="availability-single">'+M.util.get_string("listheader_single","availability")+'</span><span class="availability-multi">'+M.util.get_string("listheader_multi_before","availability")+' <label><span class="accesshide">'+M.util.get_string("label_multi","availability")+' </span><select class="availability-op custom-select mx-1" title="'+M.util.get_string("label_multi","availability")+'"><option value="&">'+M.util.get_string("listheader_multi_and","availability")+'</option><option value="|">'+M.util.get_string("listheader_multi_or","availability")+"</option></select></label> "+M.util.get_string("listheader_multi_after","availability")+'</span></div><div class="availability-children"></div><div class="availability-none"><span class="p-x-1">'+M.util.get_string("none","moodle")+'</span></div><div class="clearfix mt-1"></div><div class="availability-button"></div></div><div class="clearfix"></div></div>'),t||this.node.addClass("availability-childlist d-sm-flex align-items-center"),this.inner=this.node.one("> .availability-inner"),a=!0,t?(i&&i.show!==undefined&&(a=i.show),this.eyeIcon=new M.core_availability.EyeIcon(!1,a),this.node.one(".availability-header").get("firstChild").insert(this.eyeIcon.span,"before")):e&&(i&&i.showc!==undefined&&(a=i.showc),this.eyeIcon=new M.core_availability.EyeIcon(!1,a),this.inner.insert(this.eyeIcon.span,"before")),t||(e=new M.core_availability.DeleteIcon(this),(a=this.node.one(".availability-none")).appendChild(document.createTextNode(" ")),a.appendChild(e.span),a.appendChild(d.Node.create('<span class="mt-1 badge badge-warning">'+M.util.get_string("invalid","availability")+"</span>"))),(t=d.Node.create('<button type="button" class="btn btn-secondary mt-1">'+M.util.get_string("addrestriction","availability")+"</button>")).on("click",function(){this.clickAdd()},this),this.node.one("div.availability-button").appendChild(t),i){switch(i.op){case"&":case"|":this.node.one(".availability-neg").set("value","");break;case"!&":case"!|":this.node.one(".availability-neg").set("value","!")}switch(i.op){case"&":case"!&":this.node.one(".availability-op").set("value","&");break;case"|":case"!|":this.node.one(".availability-op").set("value","|")}for(l=0;l<i.c.length;l++)n=i.c[l],this.root&&i&&i.showc!==undefined&&(n.showc=i.showc[l]),n=n.type!==undefined?new M.core_availability.Item(n,this.root
+):new M.core_availability.List(n,!1,this.root),this.addChild(n)}this.node.one(".availability-neg").on("change",function(){M.core_availability.form.update(),this.updateHtml()},this),this.node.one(".availability-op").on("change",function(){M.core_availability.form.update(),this.updateHtml()},this),this.updateHtml()},M.core_availability.List.prototype.addChild=function(i){0<this.children.length&&this.inner.one(".availability-children").appendChild(d.Node.create('<div class="availability-connector"><span class="label"></span></div>')),this.children.push(i),this.inner.one(".availability-children").appendChild(i.node)},M.core_availability.List.prototype.focusAfterAdd=function(){this.inner.one("button").focus()},M.core_availability.List.prototype.isIndividualShowIcons=function(){var i,t;if(!this.root)throw"Can only call this on root list";return i="!"===this.node.one(".availability-neg").get("value"),t="|"===this.node.one(".availability-op").get("value"),!i&&!t||i&&t},M.core_availability.List.prototype.renumber=function(i){var t,e={count:this.children.length},a=i===undefined?e.number="":(e.number=i+":",i+"."),i=M.util.get_string("setheading","availability",e);for(this.node.one("> h3").set("innerHTML",i),t=0;t<this.children.length;t++)this.children[t].renumber(a+(t+1))},M.core_availability.List.prototype.updateHtml=function(){var i,t,e,a;if(0<this.children.length?(this.inner.one("> .availability-children").removeAttribute("aria-hidden"),this.inner.one("> .availability-none").setAttribute("aria-hidden","true"),this.inner.one("> .availability-header").removeAttribute("aria-hidden"),1<this.children.length?(this.inner.one(".availability-single").setAttribute("aria-hidden","true"),this.inner.one(".availability-multi").removeAttribute("aria-hidden")):(this.inner.one(".availability-single").removeAttribute("aria-hidden"),this.inner.one(".availability-multi").setAttribute("aria-hidden","true"))):(this.inner.one("> .availability-children").setAttribute("aria-hidden","true"),this.inner.one("> .availability-none").removeAttribute("aria-hidden"),this.inner.one("> .availability-header").setAttribute("aria-hidden","true")),this.root){for(i=this.isIndividualShowIcons(),t=0;t<this.children.length;t++)e=this.children[t],i?e.eyeIcon.span.removeAttribute("aria-hidden"):e.eyeIcon.span.setAttribute("aria-hidden","true");i?this.eyeIcon.span.setAttribute("aria-hidden","true"):this.eyeIcon.span.removeAttribute("aria-hidden")}a="&"===this.inner.one(".availability-op").get("value")?M.util.get_string("and","availability"):M.util.get_string("or","availability"),this.inner.all("> .availability-children > .availability-connector span.label").each(function(i){i.set("innerHTML",a)})},M.core_availability.List.prototype.deleteDescendant=function(i){for(var t,e,a=0;a<this.children.length;a++){if((t=this.children[a])===i)return this.children.splice(a,1),e=t.node,0<this.children.length&&(e.previous(".availability-connector")?e.previous(".availability-connector"):e.next(".availability-connector")).remove(),this.inner.one("> .availability-children").removeChild(e),M.core_availability.form.update(),this.updateHtml(),this.inner.one("> .availability-button").one("button").focus(),!0;if(t instanceof M.core_availability.List&&t.deleteDescendant(i))return!0}return!1},M.core_availability.List.prototype.clickAdd=function(){var i,t,e,a,l,n=d.Node.create('<div><ul class="list-unstyled container-fluid"></ul><div class="availability-buttons mdl-align"><button type="button" class="btn btn-secondary">'+M.util.get_string("cancel","moodle")+"</button></div></div>"),o=n.one("button"),s={dialog:null},r=n.one("ul");for(l in M.core_availability.form.plugins)M.core_availability.form.plugins[l].allowAdd&&(i=d.Node.create('<li class="clearfix row"></li>'),(e=d.Node.create('<div class="col-6"><button type="button" class="btn btn-secondary w-100"id="'+(t="availability_addrestriction_"+l)+'">'+M.util.get_string("title","availability_"+l)+"</button></div>")).on("click",this.getAddHandler(l,s),this),i.appendChild(e),a=d.Node.create('<div class="col-6"><label for="'+t+'">'+M.util.get_string("description","availability_"+l)+"</label></div>"),i.appendChild(a),r.appendChild(i));i=d.Node.create('<li class="clearfix row"></li>'),(e=d.Node.create('<div class="col-6"><button type="button" class="btn btn-secondary w-100"id="'+(t="availability_addrestriction_list_")+'">'+M.util.get_string("condition_group","availability")+"</button></div>")).on("click",this.getAddHandler(null,s),this),i.appendChild(e),a=d.Node.create('<div class="col-6"><label for="'+t+'">'+M.util.get_string("condition_group_info","availability")+"</label></div>"),i.appendChild(a),r.appendChild(i),n={headerContent:M.util.get_string("addrestriction","availability"),bodyContent:n,additionalBaseClass:"availability-dialogue",draggable:!0,modal:!0,closeButton:!1,width:"450px"},s.dialog=new M.core.dialogue(n),s.dialog.show(),o.on("click",function(){s.dialog.destroy(),this.inner.one("> .availability-button").one("button").focus()},this)},M.core_availability.List.prototype.getAddHandler=function(t,e){return function(){var i=t?new M.core_availability.Item({type:t,creating:!0},this.root):new M.core_availability.List({c:[],showc:!0},!1,this.root);this.addChild(i),M.core_availability.form.update(),M.core_availability.form.rootList.renumber(),this.updateHtml(),e.dialog.destroy(),i.focusAfterAdd()}},M.core_availability.List.prototype.getValue=function(){var i,t={};for(t.op=this.node.one(".availability-neg").get("value")+this.node.one(".availability-op").get("value"),t.c=[],i=0;i<this.children.length;i++)t.c.push(this.children[i].getValue());if(this.root)if(this.isIndividualShowIcons())for(t.showc=[],i=0;i<this.children.length;i++)t.showc.push(!this.children[i].eyeIcon.isHidden());else t.show=!this.eyeIcon.isHidden();return t},M.core_availability.List.prototype.fillErrors=function(i){0!==this.children.length||this.root||i.push("availability:error_list_nochildren");for(var t=0;t<this.children.length;t++
+)this.children[t].fillErrors(i)},M.core_availability.List.prototype.hasItemOfType=function(i){for(var t,e=0;e<this.children.length;e++)if((t=this.children[e])instanceof M.core_availability.List){if(t.hasItemOfType(i))return!0}else if(t.pluginType===i)return!0;return!1},M.core_availability.List.prototype.eyeIcon=null,M.core_availability.List.prototype.root=!1,M.core_availability.List.prototype.children=null,M.core_availability.List.prototype.node=null,M.core_availability.List.prototype.inner=null,M.core_availability.Item=function(i,t){this.pluginType=i.type,M.core_availability.form.plugins[i.type]===undefined?(this.plugin=null,this.pluginNode=d.Node.create('<div class="availability-warning">'+M.util.get_string("missingplugin","availability")+"</div>")):(this.plugin=M.core_availability.form.plugins[i.type],this.pluginNode=this.plugin.getNode(i),this.pluginNode.addClass("availability_"+i.type)),this.node=d.Node.create('<div class="availability-item d-sm-flex align-items-center"><h3 class="accesshide"></h3></div>'),t&&(t=!0,i.showc!==undefined&&(t=i.showc),this.eyeIcon=new M.core_availability.EyeIcon(!0,t),this.node.appendChild(this.eyeIcon.span)),this.pluginNode.addClass("availability-plugincontrols"),this.node.appendChild(this.pluginNode),i=new M.core_availability.DeleteIcon(this),this.node.appendChild(i.span),this.node.appendChild(document.createTextNode(" ")),this.node.appendChild(d.Node.create('<span class="badge badge-warning"/>'))},M.core_availability.Item.prototype.getValue=function(){var i={type:this.pluginType};return this.plugin&&this.plugin.fillValue(i,this.pluginNode),i},M.core_availability.Item.prototype.fillErrors=function(i){var t,e=i.length;this.plugin?this.plugin.fillErrors(i,this.pluginNode):i.push("core_availability:item_unknowntype"),t=this.node.one("> .badge-warning"),i.length===e||t.get("firstChild")?i.length===e&&t.get("firstChild")&&t.get("firstChild").remove():t.appendChild(document.createTextNode(M.util.get_string("invalid","availability")))},M.core_availability.Item.prototype.renumber=function(i){var t={number:i};this.plugin?t.type=M.util.get_string("title","availability_"+this.pluginType):t.type="["+this.pluginType+"]",t.number=i+":",i=M.util.get_string("itemheading","availability",t),this.node.one("> h3").set("innerHTML",i)},M.core_availability.Item.prototype.focusAfterAdd=function(){this.plugin.focusAfterAdd(this.pluginNode)},M.core_availability.Item.prototype.pluginType=null,M.core_availability.Item.prototype.plugin=null,M.core_availability.Item.prototype.eyeIcon=null,M.core_availability.Item.prototype.node=null,M.core_availability.Item.prototype.pluginNode=null,M.core_availability.EyeIcon=function(i,t){var e,a,l,n;this.individual=i,this.span=d.Node.create('<a class="availability-eye col-form-label" href="#" role="button">'),e=d.Node.create("<img />"),this.span.appendChild(e),a=i?"_individual":"_all",l=function(){var i=M.util.get_string("hidden"+a,"availability");e.set("src",M.util.image_url("i/show","core")),e.set("alt",i),this.span.set("title",i+" • "+M.util.get_string("show_verb","availability"))},n=function(){var i=M.util.get_string("shown"+a,"availability");e.set("src",M.util.image_url("i/hide","core")),e.set("alt",i),this.span.set("title",i+" • "+M.util.get_string("hide_verb","availability"))},(t?n:l).call(this),this.span.on("click",i=function(i){i.preventDefault(),(this.isHidden()?n:l).call(this),M.core_availability.form.update()},this),this.span.on("key",i,"up:32",this),this.span.on("key",function(i){i.preventDefault()},"down:32",this)},M.core_availability.EyeIcon.prototype.individual=!1,M.core_availability.EyeIcon.prototype.span=null,M.core_availability.EyeIcon.prototype.isHidden=function(){var i=this.individual?"_individual":"_all",i=M.util.get_string("hidden"+i,"availability");return this.span.one("img").get("alt")===i},M.core_availability.DeleteIcon=function(t){var i;this.span=d.Node.create('<a class="d-inline-block col-form-label availability-delete p-x-1" href="#" title="'+M.util.get_string("delete","moodle")+'" role="button">'),i=d.Node.create('<img src="'+M.util.image_url("t/delete","core")+'" alt="'+M.util.get_string("delete","moodle")+'" />'),this.span.appendChild(i),this.span.on("click",i=function(i){i.preventDefault(),M.core_availability.form.rootList.deleteDescendant(t),M.core_availability.form.rootList.renumber()},this),this.span.on("key",i,"up:32",this),this.span.on("key",function(i){i.preventDefault()},"down:32",this)},M.core_availability.DeleteIcon.prototype.span=null},"@VERSION@",{requires:["base","node","event","event-delegate","panel","moodle-core-notification-dialogue","json"]});
\ No newline at end of file
diff --git a/backup/util/ui/amd/build/async_backup.min.js b/backup/util/ui/amd/build/async_backup.min.js
index 1511c10a96d..ffba1a925e1 100644
--- a/backup/util/ui/amd/build/async_backup.min.js
+++ b/backup/util/ui/amd/build/async_backup.min.js
@@ -1,2 +1,2 @@
-define ("core_backup/async_backup",["jquery","core/ajax","core/str","core/notification","core/templates"],function(a,b,c,d,e){var q=900,r=1e3,s={},t=15e3,u=15e3,v=1.5,w,x,y,z,A,B,C,D=2e3;function f(a,b,c){var d=Math.round(c)+"%",e=document.querySelectorAll("[data-"+b+"id="+CSS.escape(a)+"]")[0],f=c.toFixed(2)+"%";e.setAttribute("aria-valuenow",d);e.style.width=d;e.innerHTML=f}function g(a,b,c){clearInterval(a);return setInterval(b,c)}function h(c){var f=a("#"+c+"_bar").parent().parent(),g=f.parent(),h=f.siblings(),i=h[1],j=a(i).text(),k=h[0],l=a(k).text();b.call([{methodname:"core_backup_get_async_backup_links_backup",args:{filename:l,contextid:x}}])[0].done(function(a){var b={filename:l,time:j,size:a.filesize,fileurl:a.fileurl,restoreurl:a.restoreurl};e.render("core/async_backup_progress_row",b).then(function(a,b){e.replaceNodeContents(g,a,b)}).fail(function(){d.exception(new Error("Failed to load table row"))})})}function i(c){var f=a("#"+c+"_bar").parent().parent(),g=f.parent(),h=f.siblings(),i=h[0],j=h[1],k=a(j).text();b.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:c,contextid:x}}])[0].done(function(b){var c=a(i).text(),f={resourcename:c,restoreurl:b.restoreurl,time:k};e.render("core/async_restore_progress_row",f).then(function(a,b){e.replaceNodeContents(g,a,b)}).fail(function(){d.exception(new Error("Failed to load table row"))})})}function j(a){var f=document.querySelectorAll("[data-restoreid="+CSS.escape(a)+"]")[0],g=f.closest("tr").children[1],h=g.innerHTML,i=document.createElement("a"),j=f.closest("td"),k=j.previousElementSibling;c.get_string("complete").then(function(a){k.innerHTML=a}).catch(function(){d.exception(new Error("Failed to load string: complete"))});e.render("core/async_copy_complete_cell",{}).then(function(a,b){e.replaceNodeContents(j,a,b)}).fail(function(){d.exception(new Error("Failed to load table cell"))});b.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:a,contextid:0}}])[0].done(function(a){i.setAttribute("href",a.restoreurl);i.innerHTML=h;g.innerHTML=null;g.appendChild(i)}).fail(function(){d.exception(new Error("Failed to update table row"))})}function k(e){var g=100*e.progress,h="backup",i=document.querySelectorAll("[data-"+h+"id="+CSS.escape(w)+"]")[0],j=a("#"+w+"_status"),k=a("#"+w+"_detail"),l=a("#"+w+"_button"),m;if(e.status==800){i.classList.add("bg-success");f(w,h,g);var n="async"+z+"processing";c.get_string(n,"backup").then(function(a){j.text(a)}).catch(function(){d.exception(new Error("Failed to load string: backup "+n))})}else if(e.status==q){i.classList.add("bg-danger");i.classList.remove("bg-success");f(w,h,100);var o="async"+z+"error",p="async"+z+"errordetail";m=[{key:o,component:"backup"},{key:p,component:"backup"}];c.get_strings(m).then(function(a){j.text(a[0]);k.text(a[1])}).catch(function(){d.exception(new Error("Failed to load string"))});a(".backup_progress").children("span").removeClass("backup_stage_current");a(".backup_progress").children("span").last().addClass("backup_stage_current");clearInterval(A)}else if(e.status==r){i.classList.add("bg-success");f(w,h,100);var s="async"+z+"complete";c.get_string(s,"backup").then(function(a){j.text(a)}).catch(function(){d.exception(new Error("Failed to load string: backup "+s))});if("restore"==z){b.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:w,contextid:x}}])[0].done(function(a){var b="async"+z+"completedetail",e="async"+z+"completebutton",f=[{key:b,component:"backup",param:a.restoreurl},{key:e,component:"backup"}];c.get_strings(f).then(function(b){k.html(b[0]);l.text(b[1]);l.attr("href",a.restoreurl)}).catch(function(){d.exception(new Error("Failed to load string"))})})}else{var t="async"+z+"completedetail",u="async"+z+"completebutton";m=[{key:t,component:"backup",param:y},{key:u,component:"backup"}];c.get_strings(m).then(function(a){k.html(a[0]);l.text(a[1]);l.attr("href",y)}).catch(function(){d.exception(new Error("Failed to load string"))})}a(".backup_progress").children("span").removeClass("backup_stage_current");a(".backup_progress").children("span").last().addClass("backup_stage_current");clearInterval(A)}}function l(a){a.forEach(function(a){var b=100*a.progress,c=a.backupid,d=a.operation,e=document.querySelectorAll("[data-"+d+"id="+CSS.escape(c)+"]")[0];if(a.status==800){e.classList.add("bg-success");f(c,d,b)}else if(a.status==q){e.classList.add("bg-danger");e.classList.add("complete");e.classList.remove("bg-success");f(c,d,100)}else if(a.status==r){e.classList.add("bg-success");e.classList.add("complete");f(c,d,100);if("backup"==d){h(c)}else{i(c)}}})}function m(a){a.forEach(function(a){var b=100*a.progress,e=a.backupid,g=a.operation,h=document.querySelectorAll("[data-"+g+"id="+CSS.escape(e)+"]")[0];if("restore"==g){var i=h.closest("tr").children[3];c.get_string("restore").then(function(a){i.innerHTML=a}).catch(function(){d.exception(new Error("Failed to load string: restore"))})}if(a.status==800){h.classList.add("bg-success");f(e,g,b)}else if(a.status==q){h.classList.add("bg-danger");h.classList.add("complete");h.classList.remove("bg-success");f(e,g,100)}else if(a.status==r&&"restore"==g){h.classList.add("bg-success");h.classList.add("complete");f(e,g,100);j(e)}})}function n(){b.call([{methodname:"core_backup_get_async_backup_progress",args:{backupids:[w],contextid:x}}],!0,!0,!1,D)[0].done(function(a){k(a[0]);u=t;A=g(A,n,t)}).fail(function(){u=u*v;A=g(A,n,u)})}function o(){var c=[],d=a(".progress").find(".progress-bar").not(".complete");d.each(function(){c.push(this.id.substring(0,32))});if(0<c.length){b.call([{methodname:"core_backup_get_async_backup_progress",args:{backupids:c,contextid:x}}],!0,!0,!1,D)[0].done(function(a){l(a);u=t;B=g(B,o,t)}).fail(function(){u=u*v;B=g(B,o,u)})}else{clearInterval(B)}}function p(){var c=[],d=a(".progress").find(".progress-bar[data-operation][data-backupid][data-restoreid]").not(".complete");d.each(function(){var a={backupid:this.dataset.backupid,restoreid:this.dataset.restoreid,operation:this.dataset.operation};c.push(a)});if(0<c.length){b.call([{methodname:"core_backup_get_copy_progress",args:{copies:c}}],!0,!0,!1,D)[0].done(function(a){m(a);u=t;C=g(C,p,t)}).fail(function(){u=u*v;C=g(C,p,u)})}else{clearInterval(C)}}s.asyncBackupAllStatus=function(a){x=a;B=setInterval(o,u)};s.asyncCopyAllStatus=function(){C=setInterval(p,u)};s.asyncBackupStatus=function(b,c,d,e){w=b;x=c;y=d;if("backup"==e){z="backup"}else{z="restore"}a(".backup_progress").children("a").removeAttr("href");A=setInterval(n,u)};return s});
+define ("core_backup/async_backup",["jquery","core/ajax","core/str","core/notification","core/templates"],function(a,b,c,d,e){var f=900,g=1e3,h={},i=15e3,j=15e3,k=1.5,l,m,n,o,p,q,r,s=2e3;function t(a,b,c){var d=Math.round(c)+"%",e=document.querySelectorAll("[data-"+b+"id="+CSS.escape(a)+"]")[0],f=c.toFixed(2)+"%";e.setAttribute("aria-valuenow",d);e.style.width=d;e.innerHTML=f}function u(a,b,c){clearInterval(a);return setInterval(b,c)}function v(c){var f=a("#"+c+"_bar").parent().parent(),g=f.parent(),h=f.siblings(),i=h[1],j=a(i).text(),k=h[0],l=a(k).text();b.call([{methodname:"core_backup_get_async_backup_links_backup",args:{filename:l,contextid:m}}])[0].done(function(a){var b={filename:l,time:j,size:a.filesize,fileurl:a.fileurl,restoreurl:a.restoreurl};e.render("core/async_backup_progress_row",b).then(function(a,b){e.replaceNodeContents(g,a,b)}).fail(function(){d.exception(new Error("Failed to load table row"))})})}function w(c){var f=a("#"+c+"_bar").parent().parent(),g=f.parent(),h=f.siblings(),i=h[0],j=h[1],k=a(j).text();b.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:c,contextid:m}}])[0].done(function(b){var c=a(i).text(),f={resourcename:c,restoreurl:b.restoreurl,time:k};e.render("core/async_restore_progress_row",f).then(function(a,b){e.replaceNodeContents(g,a,b)}).fail(function(){d.exception(new Error("Failed to load table row"))})})}function x(a){var f=document.querySelectorAll("[data-restoreid="+CSS.escape(a)+"]")[0],g=f.closest("tr").children[1],h=g.innerHTML,i=document.createElement("a"),j=f.closest("td"),k=j.previousElementSibling;c.get_string("complete").then(function(a){k.innerHTML=a}).catch(function(){d.exception(new Error("Failed to load string: complete"))});e.render("core/async_copy_complete_cell",{}).then(function(a,b){e.replaceNodeContents(j,a,b)}).fail(function(){d.exception(new Error("Failed to load table cell"))});b.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:a,contextid:0}}])[0].done(function(a){i.setAttribute("href",a.restoreurl);i.innerHTML=h;g.innerHTML=null;g.appendChild(i)}).fail(function(){d.exception(new Error("Failed to update table row"))})}function y(e){var h=100*e.progress,i="backup",j=document.querySelectorAll("[data-"+i+"id="+CSS.escape(l)+"]")[0],k=a("#"+l+"_status"),q=a("#"+l+"_detail"),r=a("#"+l+"_button"),s;if(e.status==800){j.classList.add("bg-success");t(l,i,h);var u="async"+o+"processing";c.get_string(u,"backup").then(function(a){k.text(a)}).catch(function(){d.exception(new Error("Failed to load string: backup "+u))})}else if(e.status==f){j.classList.add("bg-danger");j.classList.remove("bg-success");t(l,i,100);var v="async"+o+"error",w="async"+o+"errordetail";s=[{key:v,component:"backup"},{key:w,component:"backup"}];c.get_strings(s).then(function(a){k.text(a[0]);q.text(a[1])}).catch(function(){d.exception(new Error("Failed to load string"))});a(".backup_progress").children("span").removeClass("backup_stage_current");a(".backup_progress").children("span").last().addClass("backup_stage_current");clearInterval(p)}else if(e.status==g){j.classList.add("bg-success");t(l,i,100);var x="async"+o+"complete";c.get_string(x,"backup").then(function(a){k.text(a)}).catch(function(){d.exception(new Error("Failed to load string: backup "+x))});if("restore"==o){b.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:l,contextid:m}}])[0].done(function(a){var b="async"+o+"completedetail",e="async"+o+"completebutton",f=[{key:b,component:"backup",param:a.restoreurl},{key:e,component:"backup"}];c.get_strings(f).then(function(b){q.html(b[0]);r.text(b[1]);r.attr("href",a.restoreurl)}).catch(function(){d.exception(new Error("Failed to load string"))})})}else{var y="async"+o+"completedetail",z="async"+o+"completebutton";s=[{key:y,component:"backup",param:n},{key:z,component:"backup"}];c.get_strings(s).then(function(a){q.html(a[0]);r.text(a[1]);r.attr("href",n)}).catch(function(){d.exception(new Error("Failed to load string"))})}a(".backup_progress").children("span").removeClass("backup_stage_current");a(".backup_progress").children("span").last().addClass("backup_stage_current");clearInterval(p)}}function z(a){a.forEach(function(a){var b=100*a.progress,c=a.backupid,d=a.operation,e=document.querySelectorAll("[data-"+d+"id="+CSS.escape(c)+"]")[0];if(a.status==800){e.classList.add("bg-success");t(c,d,b)}else if(a.status==f){e.classList.add("bg-danger");e.classList.add("complete");e.classList.remove("bg-success");t(c,d,100)}else if(a.status==g){e.classList.add("bg-success");e.classList.add("complete");t(c,d,100);if("backup"==d){v(c)}else{w(c)}}})}function A(a){a.forEach(function(a){var b=100*a.progress,e=a.backupid,h=a.operation,i=document.querySelectorAll("[data-"+h+"id="+CSS.escape(e)+"]")[0];if("restore"==h){var j=i.closest("tr").children[3];c.get_string("restore").then(function(a){j.innerHTML=a}).catch(function(){d.exception(new Error("Failed to load string: restore"))})}if(a.status==800){i.classList.add("bg-success");t(e,h,b)}else if(a.status==f){i.classList.add("bg-danger");i.classList.add("complete");i.classList.remove("bg-success");t(e,h,100)}else if(a.status==g&&"restore"==h){i.classList.add("bg-success");i.classList.add("complete");t(e,h,100);x(e)}})}function B(){b.call([{methodname:"core_backup_get_async_backup_progress",args:{backupids:[l],contextid:m}}],!0,!0,!1,s)[0].done(function(a){y(a[0]);j=i;p=u(p,B,i)}).fail(function(){j=j*k;p=u(p,B,j)})}function C(){var c=[],d=a(".progress").find(".progress-bar").not(".complete");d.each(function(){c.push(this.id.substring(0,32))});if(0<c.length){b.call([{methodname:"core_backup_get_async_backup_progress",args:{backupids:c,contextid:m}}],!0,!0,!1,s)[0].done(function(a){z(a);j=i;q=u(q,C,i)}).fail(function(){j=j*k;q=u(q,C,j)})}else{clearInterval(q)}}function D(){var c=[],d=a(".progress").find(".progress-bar[data-operation][data-backupid][data-restoreid]").not(".complete");d.each(function(){var a={backupid:this.dataset.backupid,restoreid:this.dataset.restoreid,operation:this.dataset.operation};c.push(a)});if(0<c.length){b.call([{methodname:"core_backup_get_copy_progress",args:{copies:c}}],!0,!0,!1,s)[0].done(function(a){A(a);j=i;r=u(r,D,i)}).fail(function(){j=j*k;r=u(r,D,j)})}else{clearInterval(r)}}h.asyncBackupAllStatus=function(a){m=a;q=setInterval(C,j)};h.asyncCopyAllStatus=function(){r=setInterval(D,j)};h.asyncBackupStatus=function(b,c,d,e){l=b;m=c;n=d;if("backup"==e){o="backup"}else{o="restore"}a(".backup_progress").children("a").removeAttr("href");p=setInterval(B,j)};return h});
 //# sourceMappingURL=async_backup.min.js.map
diff --git a/backup/util/ui/yui/build/moodle-backup-backupselectall/moodle-backup-backupselectall-min.js b/backup/util/ui/yui/build/moodle-backup-backupselectall/moodle-backup-backupselectall-min.js
index db4d0c0bd9a..f588356485e 100644
--- a/backup/util/ui/yui/build/moodle-backup-backupselectall/moodle-backup-backupselectall-min.js
+++ b/backup/util/ui/yui/build/moodle-backup-backupselectall/moodle-backup-backupselectall-min.js
@@ -1 +1 @@
-YUI.add("moodle-backup-backupselectall",function(g,e){M.core_backup=M.core_backup||{},M.core_backup.backupselectall=function(e){var t,n,i,c,o,l,a,u,s=null,d=function(e,t,i,n){var c,o;e.preventDefault(),c="",void 0!==n&&(c="setting_activity_"+n+"_"),o=i.length,g.all('input[type="checkbox"]').each(function(e){var n=e.get("name");c&&n.substring(0,c.length)!==c||n.substring(n.length-o)===i&&e.set("checked",t)}),s&&M.form&&M.form.updateFormState(s)},r=function(e,n,t,i){return void 0===i&&(i=""),'<div class="'+e+'"><div class="fitem fitem_fcheckbox backup_selector"><div class="fitemtitle">'+t+'</div><div class="felement"><a id="backup-all-'+n+'" href="#">'+M.util.get_string("all","moodle")+'</a> / <a id="backup-none-'+n+'" href="#">'+M.util.get_string("none","moodle")+"</a>"+i+"</div></div></div>"},p=g.one("fieldset#id_coursesettings .fcontainer.clearfix .grouped_settings.section_level");if(p&&p.one('input[type="checkbox"]')){for(l in s=p.ancestor("form").getAttribute("id"),t=!1,g.all('input[type="checkbox"]').each(function(e){var n=e.get("name");"_userdata"===n.substring(n.length-9)?t="_userdata":"_userinfo"===n.substring(n.length-9)&&(t="_userinfo")}),n=r("include_setting section_level","included",M.util.get_string("select","moodle"),' (<a id="backup-bytype" href="#">'+M.util.get_string("showtypes","backup")+"</a>)"),t&&(n+=r("normal_setting","userdata",M.util.get_string("select","moodle"))),i=g.Node.create('<div class="grouped_settings section_level">'+n+"</div>"),p.insert(i,"before"),c=function(e,n){g.one("#backup-all-mod_"+n).on("click",function(e){d(e,!0,"_included",n)}),g.one("#backup-none-mod_"+n).on("click",function(e){d(e,!1,"_included",n)}),t&&(g.one("#backup-all-userdata-mod_"+n).on("click",function(e){d(e,!0,t,n)}),g.one("#backup-none-userdata-mod_"+n).on("click",function(e){d(e,!1,t,n)}))},(o=g.Node.create('<div id="mod_select_links">')).hide(),o.currentlyshown=!1,i.appendChild(o),e)e.hasOwnProperty(l)&&(n=r("include_setting section_level","mod_"+l,e[l]),t&&(n+=r("normal_setting","userdata-mod_"+l,e[l])),a=g.Node.create('<div class="grouped_settings section_level">'+n+"</div>"),o.appendChild(a),c(a,l));u=function(){var e,n,t=g.one("#backup-bytype");o.currentlyshown?t.setHTML(M.util.get_string("showtypes","backup")):t.setHTML(M.util.get_string("hidetypes","backup")),o.currentlyshown=!o.currentlyshown,e={node:o,duration:.2},o.currentlyshown?(o.show(),e.to={maxHeight:o.get("clientHeight")+"px"},o.setStyle("maxHeight","0px"),(n=new g.Anim(e)).on("end",function(){o.setStyle("maxHeight","none")})):(e.to={maxHeight:"0px"},o.setStyle("maxHeight",o.get("clientHeight")+"px"),(n=new g.Anim(e)).on("end",function(){o.hide(),o.setStyle("maxHeight","none")})),n.run()},g.one("#backup-bytype").on("click",function(e){e.preventDefault(),u()}),g.one("#backup-all-included").on("click",function(e){d(e,!0,"_included")}),g.one("#backup-none-included").on("click",function(e){d(e,!1,"_included")}),t&&(g.one("#backup-all-userdata").on("click",function(e){d(e,!0,t)}),g.one("#backup-none-userdata").on("click",function(e){d(e,!1,t)}))}}},"@VERSION@",{requires:["node","event","node-event-simulate","anim"]});
\ No newline at end of file
+YUI.add("moodle-backup-backupselectall",function(g,e){M.core_backup=M.core_backup||{},M.core_backup.backupselectall=function(e){var t,n,i,d,c,o,r,p,l=null,a=function(e,t,i,n){var c,o;e.preventDefault(),c=void 0!==n?"setting_activity_"+n+"_":"",o=i.length,g.all('input[type="checkbox"]').each(function(e){var n=e.get("name");c&&n.substring(0,c.length)!==c||n.substring(n.length-o)===i&&e.set("checked",t)}),l&&M.form&&M.form.updateFormState(l)},u=function(e,n,t,i){return void 0===i&&(i=""),'<div class="'+e+'"><div class="fitem fitem_fcheckbox backup_selector"><div class="fitemtitle">'+t+'</div><div class="felement"><a id="backup-all-'+n+'" href="#">'+M.util.get_string("all","moodle")+'</a> / <a id="backup-none-'+n+'" href="#">'+M.util.get_string("none","moodle")+"</a>"+i+"</div></div></div>"},s=g.one("fieldset#id_coursesettings .fcontainer.clearfix .grouped_settings.section_level");if(s&&s.one('input[type="checkbox"]')){for(o in l=s.ancestor("form").getAttribute("id"),t=!1,g.all('input[type="checkbox"]').each(function(e){e=e.get("name");"_userdata"===e.substring(e.length-9)?t="_userdata":"_userinfo"===e.substring(e.length-9)&&(t="_userinfo")}),n=u("include_setting section_level","included",M.util.get_string("select","moodle"),' (<a id="backup-bytype" href="#">'+M.util.get_string("showtypes","backup")+"</a>)"),t&&(n+=u("normal_setting","userdata",M.util.get_string("select","moodle"))),i=g.Node.create('<div class="grouped_settings section_level">'+n+"</div>"),s.insert(i,"before"),d=function(e,n){g.one("#backup-all-mod_"+n).on("click",function(e){a(e,!0,"_included",n)}),g.one("#backup-none-mod_"+n).on("click",function(e){a(e,!1,"_included",n)}),t&&(g.one("#backup-all-userdata-mod_"+n).on("click",function(e){a(e,!0,t,n)}),g.one("#backup-none-userdata-mod_"+n).on("click",function(e){a(e,!1,t,n)}))},(c=g.Node.create('<div id="mod_select_links">')).hide(),c.currentlyshown=!1,i.appendChild(c),e)e.hasOwnProperty(o)&&(n=u("include_setting section_level","mod_"+o,e[o]),t&&(n+=u("normal_setting","userdata-mod_"+o,e[o])),r=g.Node.create('<div class="grouped_settings section_level">'+n+"</div>"),c.appendChild(r),d(0,o));p=function(){var e,n=g.one("#backup-bytype");c.currentlyshown?n.setHTML(M.util.get_string("showtypes","backup")):n.setHTML(M.util.get_string("hidetypes","backup")),c.currentlyshown=!c.currentlyshown,n={node:c,duration:.2},c.currentlyshown?(c.show(),n.to={maxHeight:c.get("clientHeight")+"px"},c.setStyle("maxHeight","0px"),(e=new g.Anim(n)).on("end",function(){c.setStyle("maxHeight","none")})):(n.to={maxHeight:"0px"},c.setStyle("maxHeight",c.get("clientHeight")+"px"),(e=new g.Anim(n)).on("end",function(){c.hide(),c.setStyle("maxHeight","none")})),e.run()},g.one("#backup-bytype").on("click",function(e){e.preventDefault(),p()}),g.one("#backup-all-included").on("click",function(e){a(e,!0,"_included")}),g.one("#backup-none-included").on("click",function(e){a(e,!1,"_included")}),t&&(g.one("#backup-all-userdata").on("click",function(e){a(e,!0,t)}),g.one("#backup-none-userdata").on("click",function(e){a(e,!1,t)}))}}},"@VERSION@",{requires:["node","event","node-event-simulate","anim"]});
\ No newline at end of file
diff --git a/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-min.js b/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-min.js
index 74d17a34a96..f6e5b92364f 100644
--- a/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-min.js
+++ b/backup/util/ui/yui/build/moodle-backup-confirmcancel/moodle-backup-confirmcancel-min.js
@@ -1 +1 @@
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\ No newline at end of file
+YUI.add("moodle-backup-confirmcancel",function(n,c){M.core_backup=M.core_backup||{},M.core_backup.confirmcancel={listeners:[],config:{},watch_cancel_buttons:function(c){this.config=c,this.listeners.push(n.one(n.config.doc.body).delegate("click",this.confirm_cancel,".confirmcancel",this))},confirm_cancel:function(e){e.preventDefault();var c=new M.core.confirm(this.config);c.on("complete-yes",function(){new n.EventHandle(M.core_backup.confirmcancel.listeners).detach();var c=e.currentTarget.one("input, select, button");(c||e.currentTarget).simulate("click")},this),c.show()}}},"@VERSION@",{requires:["node","node-event-simulate","moodle-core-notification-confirm"]});
\ No newline at end of file
diff --git a/badges/amd/build/backpackactions.min.js b/badges/amd/build/backpackactions.min.js
index 659e07cacba..c97715efa54 100644
--- a/badges/amd/build/backpackactions.min.js
+++ b/badges/amd/build/backpackactions.min.js
@@ -1,2 +1,2 @@
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diff --git a/blocks/navigation/amd/build/ajax_response_renderer.min.js b/blocks/navigation/amd/build/ajax_response_renderer.min.js
index dead3b8467a..5271f8e5a52 100644
--- a/blocks/navigation/amd/build/ajax_response_renderer.min.js
+++ b/blocks/navigation/amd/build/ajax_response_renderer.min.js
@@ -1,2 +1,2 @@
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+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("block_navigation/ajax_response_renderer",["jquery","core/templates","core/notification","core/url"],function(a,b,c,d){var e={ACTIVITY:40,RESOURCE:50};function f(g,h){var i=a("<ul></ul>");i.attr("role","group");i.attr("aria-hidden",!0);a.each(h,function(g,h){if("object"!==_typeof(h)){return}var j=a("<li></li>"),k=a("<p></p>"),l=h.id||h.key+"_tree_item",m=null,n=h.expandable||h.haschildren?!0:!1;k.addClass("tree_item");k.attr("id",l);k.attr("role","treeitem");k.attr("tabindex","-1");if(h.requiresajaxloading){k.attr("data-requires-ajax",!0);k.attr("data-node-id",h.id);k.attr("data-node-key",h.key);k.attr("data-node-type",h.type)}if(n){j.addClass("collapsed contains_branch");k.attr("aria-expanded",!1);k.addClass("branch")}var o=null;if(h.link){var p=a("<a title=\""+h.title+"\" href=\""+h.link+"\"></a>");o=p;p.append("<span class=\"item-content-wrap\">"+h.name+"</span>");if(h.hidden){p.addClass("dimmed")}k.append(p)}else{var q=a("<span></span>");o=q;q.append("<span class=\"item-content-wrap\">"+h.name+"</span>");if(h.hidden){q.addClass("dimmed")}k.append(q)}if(h.icon&&(!n||h.type===e.ACTIVITY||h.type===e.RESOURCE)){j.addClass("item_with_icon");k.addClass("hasicon");if(h.type===e.ACTIVITY||h.type===e.RESOURCE){m=a("<img/>");m.attr("alt",h.icon.alt);m.attr("title",h.icon.title);m.attr("src",d.imageUrl(h.icon.pix,h.icon.component));a.each(h.icon.classes,function(a,b){m.addClass(b)});o.prepend(m)}else{if("moodle"==h.icon.component){h.icon.component="core"}b.renderPix(h.icon.pix,h.icon.component,h.icon.title).then(function(a){o.prepend(a)}).catch(c.exception)}}j.append(k);i.append(j);if(h.children&&h.children.length){f(k,h.children)}else if(n&&!h.requiresajaxloading){j.removeClass("contains_branch");k.addClass("emptybranch")}});g.parent().append(i);var j=g.attr("id")+"_group";i.attr("id",j);g.attr("aria-owns",j);g.attr("role","treeitem")}return{render:function render(a,b){if(b.children&&b.children.length){f(a,b.children);var c=a.children("[role='treeitem']").first(),d=a.find("#"+c.attr("aria-owns"));c.attr("aria-expanded",!0);d.attr("aria-hidden",!1)}else{if(a.parent().hasClass("contains_branch")){a.parent().removeClass("contains_branch");a.addClass("emptybranch")}}}}});
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diff --git a/blocks/navigation/amd/build/ajax_response_renderer.min.js.map b/blocks/navigation/amd/build/ajax_response_renderer.min.js.map
index 2bc32031d93..60fd5540824 100644
--- a/blocks/navigation/amd/build/ajax_response_renderer.min.js.map
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Parse the response from the navblock ajax page and render the correct DOM\n * structure for the tree from it.\n *\n * @module     block_navigation/ajax_response_renderer\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/url'], function($, Templates, Notification, Url) {\n\n    // Mappings for the different types of nodes coming from the navigation.\n    // Copied from lib/navigationlib.php navigation_node constants.\n    var NODETYPE = {\n        // @type int Activity (course module) = 40.\n        ACTIVITY: 40,\n        // @type int Resource (course module = 50.\n        RESOURCE: 50,\n    };\n\n    /**\n     * Build DOM.\n     *\n     * @method buildDOM\n     * @param {Object} rootElement the root element of DOM.\n     * @param {object} nodes jquery object representing the nodes to be build.\n     */\n    function buildDOM(rootElement, nodes) {\n        var ul = $('<ul></ul>');\n        ul.attr('role', 'group');\n        ul.attr('aria-hidden', true);\n\n        $.each(nodes, function(index, node) {\n            if (typeof node !== 'object') {\n                return;\n            }\n\n            var li = $('<li></li>');\n            var p = $('<p></p>');\n            var id = node.id || node.key + '_tree_item';\n            var icon = null;\n            var isBranch = (node.expandable || node.haschildren) ? true : false;\n\n            p.addClass('tree_item');\n            p.attr('id', id);\n            p.attr('role', 'treeitem');\n            // Negative tab index to allow it to receive focus.\n            p.attr('tabindex', '-1');\n\n            if (node.requiresajaxloading) {\n                p.attr('data-requires-ajax', true);\n                p.attr('data-node-id', node.id);\n                p.attr('data-node-key', node.key);\n                p.attr('data-node-type', node.type);\n            }\n\n            if (isBranch) {\n                li.addClass('collapsed contains_branch');\n                p.attr('aria-expanded', false);\n                p.addClass('branch');\n            }\n\n            var eleToAddIcon = null;\n            if (node.link) {\n                var link = $('<a title=\"' + node.title + '\" href=\"' + node.link + '\"></a>');\n\n                eleToAddIcon = link;\n                link.append('<span class=\"item-content-wrap\">' + node.name + '</span>');\n\n                if (node.hidden) {\n                    link.addClass('dimmed');\n                }\n\n                p.append(link);\n            } else {\n                var span = $('<span></span>');\n\n                eleToAddIcon = span;\n                span.append('<span class=\"item-content-wrap\">' + node.name + '</span>');\n\n                if (node.hidden) {\n                    span.addClass('dimmed');\n                }\n\n                p.append(span);\n            }\n\n            if (node.icon && (!isBranch || node.type === NODETYPE.ACTIVITY || node.type === NODETYPE.RESOURCE)) {\n                li.addClass('item_with_icon');\n                p.addClass('hasicon');\n\n                if (node.type === NODETYPE.ACTIVITY || node.type === NODETYPE.RESOURCE) {\n                    icon = $('<img/>');\n                    icon.attr('alt', node.icon.alt);\n                    icon.attr('title', node.icon.title);\n                    icon.attr('src', Url.imageUrl(node.icon.pix, node.icon.component));\n                    $.each(node.icon.classes, function(index, className) {\n                        icon.addClass(className);\n                    });\n                    eleToAddIcon.prepend(icon);\n                } else {\n                    if (node.icon.component == 'moodle') {\n                        node.icon.component = 'core';\n                    }\n                    Templates.renderPix(node.icon.pix, node.icon.component, node.icon.title).then(function(html) {\n                        // Prepend.\n                        eleToAddIcon.prepend(html);\n                        return;\n                    }).catch(Notification.exception);\n                }\n            }\n\n            li.append(p);\n            ul.append(li);\n\n            if (node.children && node.children.length) {\n                buildDOM(p, node.children);\n            } else if (isBranch && !node.requiresajaxloading) {\n                li.removeClass('contains_branch');\n                p.addClass('emptybranch');\n            }\n        });\n\n        rootElement.parent().append(ul);\n        var id = rootElement.attr('id') + '_group';\n        ul.attr('id', id);\n        rootElement.attr('aria-owns', id);\n        rootElement.attr('role', 'treeitem');\n    }\n\n    return {\n        render: function(element, nodes) {\n            // The first element of the response is the existing node so we start with processing the children.\n            if (nodes.children && nodes.children.length) {\n                buildDOM(element, nodes.children);\n\n                var item = element.children(\"[role='treeitem']\").first();\n                var group = element.find('#' + item.attr('aria-owns'));\n\n                item.attr('aria-expanded', true);\n                group.attr('aria-hidden', false);\n            } else {\n                if (element.parent().hasClass('contains_branch')) {\n                    element.parent().removeClass('contains_branch');\n                    element.addClass('emptybranch');\n                }\n            }\n        }\n    };\n});\n"],"file":"ajax_response_renderer.min.js"}
\ No newline at end of file
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Parse the response from the navblock ajax page and render the correct DOM\n * structure for the tree from it.\n *\n * @module     block_navigation/ajax_response_renderer\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/url'], function($, Templates, Notification, Url) {\n\n    // Mappings for the different types of nodes coming from the navigation.\n    // Copied from lib/navigationlib.php navigation_node constants.\n    var NODETYPE = {\n        // @type int Activity (course module) = 40.\n        ACTIVITY: 40,\n        // @type int Resource (course module = 50.\n        RESOURCE: 50,\n    };\n\n    /**\n     * Build DOM.\n     *\n     * @method buildDOM\n     * @param {Object} rootElement the root element of DOM.\n     * @param {object} nodes jquery object representing the nodes to be build.\n     */\n    function buildDOM(rootElement, nodes) {\n        var ul = $('<ul></ul>');\n        ul.attr('role', 'group');\n        ul.attr('aria-hidden', true);\n\n        $.each(nodes, function(index, node) {\n            if (typeof node !== 'object') {\n                return;\n            }\n\n            var li = $('<li></li>');\n            var p = $('<p></p>');\n            var id = node.id || node.key + '_tree_item';\n            var icon = null;\n            var isBranch = (node.expandable || node.haschildren) ? true : false;\n\n            p.addClass('tree_item');\n            p.attr('id', id);\n            p.attr('role', 'treeitem');\n            // Negative tab index to allow it to receive focus.\n            p.attr('tabindex', '-1');\n\n            if (node.requiresajaxloading) {\n                p.attr('data-requires-ajax', true);\n                p.attr('data-node-id', node.id);\n                p.attr('data-node-key', node.key);\n                p.attr('data-node-type', node.type);\n            }\n\n            if (isBranch) {\n                li.addClass('collapsed contains_branch');\n                p.attr('aria-expanded', false);\n                p.addClass('branch');\n            }\n\n            var eleToAddIcon = null;\n            if (node.link) {\n                var link = $('<a title=\"' + node.title + '\" href=\"' + node.link + '\"></a>');\n\n                eleToAddIcon = link;\n                link.append('<span class=\"item-content-wrap\">' + node.name + '</span>');\n\n                if (node.hidden) {\n                    link.addClass('dimmed');\n                }\n\n                p.append(link);\n            } else {\n                var span = $('<span></span>');\n\n                eleToAddIcon = span;\n                span.append('<span class=\"item-content-wrap\">' + node.name + '</span>');\n\n                if (node.hidden) {\n                    span.addClass('dimmed');\n                }\n\n                p.append(span);\n            }\n\n            if (node.icon && (!isBranch || node.type === NODETYPE.ACTIVITY || node.type === NODETYPE.RESOURCE)) {\n                li.addClass('item_with_icon');\n                p.addClass('hasicon');\n\n                if (node.type === NODETYPE.ACTIVITY || node.type === NODETYPE.RESOURCE) {\n                    icon = $('<img/>');\n                    icon.attr('alt', node.icon.alt);\n                    icon.attr('title', node.icon.title);\n                    icon.attr('src', Url.imageUrl(node.icon.pix, node.icon.component));\n                    $.each(node.icon.classes, function(index, className) {\n                        icon.addClass(className);\n                    });\n                    eleToAddIcon.prepend(icon);\n                } else {\n                    if (node.icon.component == 'moodle') {\n                        node.icon.component = 'core';\n                    }\n                    Templates.renderPix(node.icon.pix, node.icon.component, node.icon.title).then(function(html) {\n                        // Prepend.\n                        eleToAddIcon.prepend(html);\n                        return;\n                    }).catch(Notification.exception);\n                }\n            }\n\n            li.append(p);\n            ul.append(li);\n\n            if (node.children && node.children.length) {\n                buildDOM(p, node.children);\n            } else if (isBranch && !node.requiresajaxloading) {\n                li.removeClass('contains_branch');\n                p.addClass('emptybranch');\n            }\n        });\n\n        rootElement.parent().append(ul);\n        var id = rootElement.attr('id') + '_group';\n        ul.attr('id', id);\n        rootElement.attr('aria-owns', id);\n        rootElement.attr('role', 'treeitem');\n    }\n\n    return {\n        render: function(element, nodes) {\n            // The first element of the response is the existing node so we start with processing the children.\n            if (nodes.children && nodes.children.length) {\n                buildDOM(element, nodes.children);\n\n                var item = element.children(\"[role='treeitem']\").first();\n                var group = element.find('#' + item.attr('aria-owns'));\n\n                item.attr('aria-expanded', true);\n                group.attr('aria-hidden', false);\n            } else {\n                if (element.parent().hasClass('contains_branch')) {\n                    element.parent().removeClass('contains_branch');\n                    element.addClass('emptybranch');\n                }\n            }\n        }\n    };\n});\n"],"file":"ajax_response_renderer.min.js"}
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/nav_loader.min.js b/blocks/navigation/amd/build/nav_loader.min.js
index 444e8543969..b75f6b4ac9d 100644
--- a/blocks/navigation/amd/build/nav_loader.min.js
+++ b/blocks/navigation/amd/build/nav_loader.min.js
@@ -1,2 +1,2 @@
-define ("block_navigation/nav_loader",["jquery","core/ajax","core/config","block_navigation/ajax_response_renderer"],function(a,b,c,d){var f=c.wwwroot+"/lib/ajax/getnavbranch.php";function e(a){return a.closest("[data-block]").attr("data-instanceid")}return{load:function load(b){b=a(b);var g=a.Deferred(),h={elementid:b.attr("data-node-id"),id:b.attr("data-node-key"),type:b.attr("data-node-type"),sesskey:c.sesskey,instance:e(b)};a.ajax(f,{type:"POST",dataType:"json",data:h}).done(function(a){d.render(b,a);g.resolve()});return g}}});
+define ("block_navigation/nav_loader",["jquery","core/ajax","core/config","block_navigation/ajax_response_renderer"],function(a,b,c,d){var e=c.wwwroot+"/lib/ajax/getnavbranch.php";function f(a){return a.closest("[data-block]").attr("data-instanceid")}return{load:function load(b){b=a(b);var g=a.Deferred(),h={elementid:b.attr("data-node-id"),id:b.attr("data-node-key"),type:b.attr("data-node-type"),sesskey:c.sesskey,instance:f(b)};a.ajax(e,{type:"POST",dataType:"json",data:h}).done(function(a){d.render(b,a);g.resolve()});return g}}});
 //# sourceMappingURL=nav_loader.min.js.map
diff --git a/calendar/amd/build/repository.min.js b/calendar/amd/build/repository.min.js
index e04ceb50e4d..446d91ed4a1 100644
--- a/calendar/amd/build/repository.min.js
+++ b/calendar/amd/build/repository.min.js
@@ -1,2 +1,2 @@
-define ("core_calendar/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.getCourseGroupsData=a.getCalendarUpcomingData=a.updateEventStartDay=a.getCalendarDayData=a.getCalendarMonthData=a.submitCreateUpdateForm=a.getEventById=a.deleteEvent=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(a){var c=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;return b.default.call([{methodname:"core_calendar_delete_calendar_events",args:{events:[{eventid:a,repeat:c}]}}])[0]};a.deleteEvent=c;var d=function(a){return b.default.call([{methodname:"core_calendar_get_calendar_event_by_id",args:{eventid:a}}])[0]};a.getEventById=d;var e=function(a){return b.default.call([{methodname:"core_calendar_submit_create_update_form",args:{formdata:a}}])[0]};a.submitCreateUpdateForm=e;var f=function(a,c,d,e,f,g){var h=6<arguments.length&&arguments[6]!==void 0?arguments[6]:1;return b.default.call([{methodname:"core_calendar_get_calendar_monthly_view",args:{year:a,month:c,courseid:d,categoryid:e,includenavigation:f,mini:g,day:h}}])[0]};a.getCalendarMonthData=f;var g=function(a,c,d,e,f){return b.default.call([{methodname:"core_calendar_get_calendar_day_view",args:{year:a,month:c,day:d,courseid:e,categoryid:f}}])[0]};a.getCalendarDayData=g;var h=function(a,c){return b.default.call([{methodname:"core_calendar_update_event_start_day",args:{eventid:a,daytimestamp:c}}])[0]};a.updateEventStartDay=h;var i=function(a,c){return b.default.call([{methodname:"core_calendar_get_calendar_upcoming_view",args:{courseid:a,categoryid:c}}])[0]};a.getCalendarUpcomingData=i;var j=function(a){return b.default.call([{methodname:"core_group_get_course_groups",args:{courseid:a}}])[0]};a.getCourseGroupsData=j});
+define ("core_calendar/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.updateEventStartDay=a.submitCreateUpdateForm=a.getEventById=a.getCourseGroupsData=a.getCalendarUpcomingData=a.getCalendarMonthData=a.getCalendarDayData=a.deleteEvent=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(a){var c=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;return b.default.call([{methodname:"core_calendar_delete_calendar_events",args:{events:[{eventid:a,repeat:c}]}}])[0]};a.deleteEvent=c;var d=function(a){return b.default.call([{methodname:"core_calendar_get_calendar_event_by_id",args:{eventid:a}}])[0]};a.getEventById=d;var e=function(a){return b.default.call([{methodname:"core_calendar_submit_create_update_form",args:{formdata:a}}])[0]};a.submitCreateUpdateForm=e;var f=function(a,c,d,e,f,g){var h=6<arguments.length&&arguments[6]!==void 0?arguments[6]:1;return b.default.call([{methodname:"core_calendar_get_calendar_monthly_view",args:{year:a,month:c,courseid:d,categoryid:e,includenavigation:f,mini:g,day:h}}])[0]};a.getCalendarMonthData=f;var g=function(a,c,d,e,f){return b.default.call([{methodname:"core_calendar_get_calendar_day_view",args:{year:a,month:c,day:d,courseid:e,categoryid:f}}])[0]};a.getCalendarDayData=g;var h=function(a,c){return b.default.call([{methodname:"core_calendar_update_event_start_day",args:{eventid:a,daytimestamp:c}}])[0]};a.updateEventStartDay=h;var i=function(a,c){return b.default.call([{methodname:"core_calendar_get_calendar_upcoming_view",args:{courseid:a,categoryid:c}}])[0]};a.getCalendarUpcomingData=i;var j=function(a){return b.default.call([{methodname:"core_group_get_course_groups",args:{courseid:a}}])[0]};a.getCourseGroupsData=j});
 //# sourceMappingURL=repository.min.js.map
diff --git a/calendar/amd/build/view_manager.min.js b/calendar/amd/build/view_manager.min.js
index f69895d14db..1e554e4368f 100644
--- a/calendar/amd/build/view_manager.min.js
+++ b/calendar/amd/build/view_manager.min.js
@@ -1,2 +1,2 @@
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t(a,d,e,g,h,i).then(function(){if(c.length&&"#"!==c){window.history.pushState({},"",c)}for(var a=arguments.length,b=Array(a),d=0;d<a;d++){b[d]=arguments[d]}return b}).then(function(){(0,b.default)("body").trigger(f.default.dayChanged,[d,e,h,i]);for(var a=arguments.length,c=Array(a),g=0;g<a;g++){c[g]=arguments[g]}return c})};a.changeDay=v;var w=function(a){var b=a.find(g.containers.loadingIcon);b.removeClass("hidden")},x=function(a){var b=a.find(g.containers.loadingIcon);b.addClass("hidden")},y=function(a){var b=1<arguments.length&&arguments[1]!==void 0?arguments[1]:0,h=2<arguments.length&&arguments[2]!==void 0?arguments[2]:0,i=3<arguments.length&&arguments[3]!==void 0?arguments[3]:null,j=4<arguments.length&&arguments[4]!==void 0?arguments[4]:"";w(a);i=i||a.find(g.wrapper);j=j||a.attr("data-template");b=b||a.find(g.wrapper).data("courseid");h=h||a.find(g.wrapper).data("categoryid");return e.getCalendarUpcomingData(b,h).then(function(a){a.viewingupcoming=!0;return 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diff --git a/calendar/amd/build/view_manager.min.js.map b/calendar/amd/build/view_manager.min.js.map
index 91067138c9c..b4665697bc8 100644
--- a/calendar/amd/build/view_manager.min.js.map
+++ b/calendar/amd/build/view_manager.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handler calendar view changes.\n *\n * @module     core_calendar/view_manager\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Templates from 'core/templates';\nimport Notification from 'core/notification';\nimport * as CalendarRepository from 'core_calendar/repository';\nimport CalendarEvents from 'core_calendar/events';\nimport * as CalendarSelectors from 'core_calendar/selectors';\nimport ModalFactory from 'core/modal_factory';\nimport ModalEvents from 'core/modal_events';\nimport SummaryModal from 'core_calendar/summary_modal';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Pending from 'core/pending';\n\n/**\n * Register event listeners for the module.\n *\n * @param {object} root The root element.\n */\nconst registerEventListeners = (root) => {\n    root = $(root);\n\n    // Bind click events to event links.\n    root.on('click', CalendarSelectors.links.eventLink, (e) => {\n        const target = e.target;\n        let eventLink = null;\n        let eventId = null;\n        const pendingPromise = new Pending('core_calendar/view_manager:eventLink:click');\n\n        if (target.matches(CalendarSelectors.actions.viewEvent)) {\n            eventLink = target;\n        } else {\n            eventLink = target.closest(CalendarSelectors.actions.viewEvent);\n        }\n\n        if (eventLink) {\n            eventId = eventLink.dataset.eventId;\n        } else {\n            eventId = target.querySelector(CalendarSelectors.actions.viewEvent).dataset.eventId;\n        }\n\n        if (eventId) {\n            // A link was found. Show the modal.\n\n            e.preventDefault();\n            // We've handled the event so stop it from bubbling\n            // and causing the day click handler to fire.\n            e.stopPropagation();\n\n            renderEventSummaryModal(eventId)\n            .then(pendingPromise.resolve)\n            .catch();\n        } else {\n            pendingPromise.resolve();\n        }\n    });\n\n    root.on('click', CalendarSelectors.links.navLink, (e) => {\n        const wrapper = root.find(CalendarSelectors.wrapper);\n        const view = wrapper.data('view');\n        const courseId = wrapper.data('courseid');\n        const categoryId = wrapper.data('categoryid');\n        const link = e.currentTarget;\n\n        if (view === 'month') {\n            changeMonth(root, link.href, link.dataset.year, link.dataset.month, courseId, categoryId, link.dataset.day);\n            e.preventDefault();\n        } else if (view === 'day') {\n            changeDay(root, link.href, link.dataset.year, link.dataset.month, link.dataset.day, courseId, categoryId);\n            e.preventDefault();\n        }\n    });\n\n    const viewSelector = root.find(CalendarSelectors.viewSelector);\n    CustomEvents.define(viewSelector, [CustomEvents.events.activate]);\n    viewSelector.on(\n        CustomEvents.events.activate,\n        (e) => {\n            e.preventDefault();\n\n            const option = e.target;\n            if (option.classList.contains('active')) {\n                return;\n            }\n\n            const view = option.dataset.view,\n                year = option.dataset.year,\n                month = option.dataset.month,\n                day = option.dataset.day,\n                courseId = option.dataset.courseid,\n                categoryId = option.dataset.categoryid;\n\n            if (view == 'month') {\n                refreshMonthContent(root, year, month, courseId, categoryId, root, 'core_calendar/calendar_month', day)\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=month');\n                    }).fail(Notification.exception);\n            } else if (view == 'day') {\n                refreshDayContent(root, year, month, day, courseId, categoryId, root, 'core_calendar/calendar_day')\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=day');\n                    }).fail(Notification.exception);\n            } else if (view == 'upcoming') {\n                reloadCurrentUpcoming(root, courseId, categoryId, root, 'core_calendar/calendar_upcoming')\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=upcoming');\n                    }).fail(Notification.exception);\n            }\n        }\n    );\n};\n\n/**\n * Refresh the month content.\n *\n * @param {object} root The root element.\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n * @param {number} day Day (optional)\n * @return {promise}\n */\nexport const refreshMonthContent = (root, year, month, courseId, categoryId, target = null, template = '', day = 1) => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    M.util.js_pending([root.get('id'), year, month, courseId].join('-'));\n    const includenavigation = root.data('includenavigation');\n    const mini = root.data('mini');\n    return CalendarRepository.getCalendarMonthData(year, month, courseId, categoryId, includenavigation, mini, day)\n        .then(context => {\n            context.viewingmonth = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(() => {\n            M.util.js_complete([root.get('id'), year, month, courseId].join('-'));\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Handle changes to the current calendar view.\n *\n * @param {object} root The container element\n * @param {string} url The calendar url to be shown\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {number} day Day (optional)\n * @return {promise}\n */\nexport const changeMonth = (root, url, year, month, courseId, categoryId, day = 1) => {\n    return refreshMonthContent(root, year, month, courseId, categoryId, null, '', day)\n        .then((...args) => {\n            if (url.length && url !== '#') {\n                window.history.pushState({}, '', url);\n            }\n            return args;\n        })\n        .then((...args) => {\n            $('body').trigger(CalendarEvents.monthChanged, [year, month, courseId, categoryId]);\n            return args;\n        });\n};\n\n/**\n * Reload the current month view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const reloadCurrentMonth = (root, courseId = 0, categoryId = 0) => {\n    const year = root.find(CalendarSelectors.wrapper).data('year');\n    const month = root.find(CalendarSelectors.wrapper).data('month');\n    const day = root.find(CalendarSelectors.wrapper).data('day');\n\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return refreshMonthContent(root, year, month, courseId, categoryId, null, '', day);\n};\n\n\n/**\n * Refresh the day content.\n *\n * @param {object} root The root element.\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} day Day\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n *\n * @return {promise}\n */\nexport const refreshDayContent = (root, year, month, day, courseId, categoryId, target = null, template = '') => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    M.util.js_pending([root.get('id'), year, month, day, courseId, categoryId].join('-'));\n    const includenavigation = root.data('includenavigation');\n    return CalendarRepository.getCalendarDayData(year, month, day, courseId, categoryId, includenavigation)\n        .then((context) => {\n            context.viewingday = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(() => {\n            M.util.js_complete([root.get('id'), year, month, day, courseId, categoryId].join('-'));\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Reload the current day view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const reloadCurrentDay = (root, courseId = 0, categoryId = 0) => {\n    const wrapper = root.find(CalendarSelectors.wrapper);\n    const year = wrapper.data('year');\n    const month = wrapper.data('month');\n    const day = wrapper.data('day');\n\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return refreshDayContent(root, year, month, day, courseId, categoryId);\n};\n\n/**\n * Handle changes to the current calendar view.\n *\n * @param {object} root The root element.\n * @param {String} url The calendar url to be shown\n * @param {Number} year Year\n * @param {Number} month Month\n * @param {Number} day Day\n * @param {Number} courseId The id of the course whose events are shown\n * @param {Number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const changeDay = (root, url, year, month, day, courseId, categoryId) => {\n    return refreshDayContent(root, year, month, day, courseId, categoryId)\n        .then((...args) => {\n            if (url.length && url !== '#') {\n                window.history.pushState({}, '', url);\n            }\n            return args;\n        })\n        .then((...args) => {\n            $('body').trigger(CalendarEvents.dayChanged, [year, month, courseId, categoryId]);\n            return args;\n        });\n};\n\n/**\n * Set the element state to loading.\n *\n * @param {object} root The container element\n * @method startLoading\n */\nconst startLoading = (root) => {\n    const loadingIconContainer = root.find(CalendarSelectors.containers.loadingIcon);\n\n    loadingIconContainer.removeClass('hidden');\n};\n\n/**\n * Remove the loading state from the element.\n *\n * @param {object} root The container element\n * @method stopLoading\n */\nconst stopLoading = (root) => {\n    const loadingIconContainer = root.find(CalendarSelectors.containers.loadingIcon);\n\n    loadingIconContainer.addClass('hidden');\n};\n\n/**\n * Reload the current month view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n * @return {promise}\n */\nexport const reloadCurrentUpcoming = (root, courseId = 0, categoryId = 0, target = null, template = '') => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return CalendarRepository.getCalendarUpcomingData(courseId, categoryId)\n        .then((context) => {\n            context.viewingupcoming = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(function() {\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Get the CSS class to apply for the given event type.\n *\n * @param {string} eventType The calendar event type\n * @return {string}\n */\nconst getEventTypeClassFromType = (eventType) => {\n    return 'calendar_event_' + eventType;\n};\n\n/**\n * Render the event summary modal.\n *\n * @param {Number} eventId The calendar event id.\n * @returns {Promise}\n */\nconst renderEventSummaryModal = (eventId) => {\n    const pendingPromise = new Pending('core_calendar/view_manager:renderEventSummaryModal');\n\n    // Calendar repository promise.\n    return CalendarRepository.getEventById(eventId)\n    .then((getEventResponse) => {\n        if (!getEventResponse.event) {\n            throw new Error('Error encountered while trying to fetch calendar event with ID: ' + eventId);\n        }\n\n        return getEventResponse.event;\n    })\n    .then(eventData => {\n        // Build the modal parameters from the event data.\n        const modalParams = {\n            title: eventData.name,\n            type: SummaryModal.TYPE,\n            body: Templates.render('core_calendar/event_summary_body', eventData),\n            templateContext: {\n                canedit: eventData.canedit,\n                candelete: eventData.candelete,\n                headerclasses: getEventTypeClassFromType(eventData.normalisedeventtype),\n                isactionevent: eventData.isactionevent,\n                url: eventData.url,\n                action: eventData.action\n            }\n        };\n\n        // Create the modal.\n        return ModalFactory.create(modalParams);\n    })\n    .then(modal => {\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, function() {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Finally, render the modal!\n        modal.show();\n\n        return modal;\n    })\n    .then(modal => {\n        pendingPromise.resolve();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\nexport const init = (root, view) => {\n    registerEventListeners(root, view);\n};\n"],"file":"view_manager.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handler calendar view changes.\n *\n * @module     core_calendar/view_manager\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Templates from 'core/templates';\nimport Notification from 'core/notification';\nimport * as CalendarRepository from 'core_calendar/repository';\nimport CalendarEvents from 'core_calendar/events';\nimport * as CalendarSelectors from 'core_calendar/selectors';\nimport ModalFactory from 'core/modal_factory';\nimport ModalEvents from 'core/modal_events';\nimport SummaryModal from 'core_calendar/summary_modal';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Pending from 'core/pending';\n\n/**\n * Register event listeners for the module.\n *\n * @param {object} root The root element.\n */\nconst registerEventListeners = (root) => {\n    root = $(root);\n\n    // Bind click events to event links.\n    root.on('click', CalendarSelectors.links.eventLink, (e) => {\n        const target = e.target;\n        let eventLink = null;\n        let eventId = null;\n        const pendingPromise = new Pending('core_calendar/view_manager:eventLink:click');\n\n        if (target.matches(CalendarSelectors.actions.viewEvent)) {\n            eventLink = target;\n        } else {\n            eventLink = target.closest(CalendarSelectors.actions.viewEvent);\n        }\n\n        if (eventLink) {\n            eventId = eventLink.dataset.eventId;\n        } else {\n            eventId = target.querySelector(CalendarSelectors.actions.viewEvent).dataset.eventId;\n        }\n\n        if (eventId) {\n            // A link was found. Show the modal.\n\n            e.preventDefault();\n            // We've handled the event so stop it from bubbling\n            // and causing the day click handler to fire.\n            e.stopPropagation();\n\n            renderEventSummaryModal(eventId)\n            .then(pendingPromise.resolve)\n            .catch();\n        } else {\n            pendingPromise.resolve();\n        }\n    });\n\n    root.on('click', CalendarSelectors.links.navLink, (e) => {\n        const wrapper = root.find(CalendarSelectors.wrapper);\n        const view = wrapper.data('view');\n        const courseId = wrapper.data('courseid');\n        const categoryId = wrapper.data('categoryid');\n        const link = e.currentTarget;\n\n        if (view === 'month') {\n            changeMonth(root, link.href, link.dataset.year, link.dataset.month, courseId, categoryId, link.dataset.day);\n            e.preventDefault();\n        } else if (view === 'day') {\n            changeDay(root, link.href, link.dataset.year, link.dataset.month, link.dataset.day, courseId, categoryId);\n            e.preventDefault();\n        }\n    });\n\n    const viewSelector = root.find(CalendarSelectors.viewSelector);\n    CustomEvents.define(viewSelector, [CustomEvents.events.activate]);\n    viewSelector.on(\n        CustomEvents.events.activate,\n        (e) => {\n            e.preventDefault();\n\n            const option = e.target;\n            if (option.classList.contains('active')) {\n                return;\n            }\n\n            const view = option.dataset.view,\n                year = option.dataset.year,\n                month = option.dataset.month,\n                day = option.dataset.day,\n                courseId = option.dataset.courseid,\n                categoryId = option.dataset.categoryid;\n\n            if (view == 'month') {\n                refreshMonthContent(root, year, month, courseId, categoryId, root, 'core_calendar/calendar_month', day)\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=month');\n                    }).fail(Notification.exception);\n            } else if (view == 'day') {\n                refreshDayContent(root, year, month, day, courseId, categoryId, root, 'core_calendar/calendar_day')\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=day');\n                    }).fail(Notification.exception);\n            } else if (view == 'upcoming') {\n                reloadCurrentUpcoming(root, courseId, categoryId, root, 'core_calendar/calendar_upcoming')\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=upcoming');\n                    }).fail(Notification.exception);\n            }\n        }\n    );\n};\n\n/**\n * Refresh the month content.\n *\n * @param {object} root The root element.\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n * @param {number} day Day (optional)\n * @return {promise}\n */\nexport const refreshMonthContent = (root, year, month, courseId, categoryId, target = null, template = '', day = 1) => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    M.util.js_pending([root.get('id'), year, month, courseId].join('-'));\n    const includenavigation = root.data('includenavigation');\n    const mini = root.data('mini');\n    return CalendarRepository.getCalendarMonthData(year, month, courseId, categoryId, includenavigation, mini, day)\n        .then(context => {\n            context.viewingmonth = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(() => {\n            M.util.js_complete([root.get('id'), year, month, courseId].join('-'));\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Handle changes to the current calendar view.\n *\n * @param {object} root The container element\n * @param {string} url The calendar url to be shown\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {number} day Day (optional)\n * @return {promise}\n */\nexport const changeMonth = (root, url, year, month, courseId, categoryId, day = 1) => {\n    return refreshMonthContent(root, year, month, courseId, categoryId, null, '', day)\n        .then((...args) => {\n            if (url.length && url !== '#') {\n                window.history.pushState({}, '', url);\n            }\n            return args;\n        })\n        .then((...args) => {\n            $('body').trigger(CalendarEvents.monthChanged, [year, month, courseId, categoryId]);\n            return args;\n        });\n};\n\n/**\n * Reload the current month view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const reloadCurrentMonth = (root, courseId = 0, categoryId = 0) => {\n    const year = root.find(CalendarSelectors.wrapper).data('year');\n    const month = root.find(CalendarSelectors.wrapper).data('month');\n    const day = root.find(CalendarSelectors.wrapper).data('day');\n\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return refreshMonthContent(root, year, month, courseId, categoryId, null, '', day);\n};\n\n\n/**\n * Refresh the day content.\n *\n * @param {object} root The root element.\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} day Day\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n *\n * @return {promise}\n */\nexport const refreshDayContent = (root, year, month, day, courseId, categoryId, target = null, template = '') => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    M.util.js_pending([root.get('id'), year, month, day, courseId, categoryId].join('-'));\n    const includenavigation = root.data('includenavigation');\n    return CalendarRepository.getCalendarDayData(year, month, day, courseId, categoryId, includenavigation)\n        .then((context) => {\n            context.viewingday = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(() => {\n            M.util.js_complete([root.get('id'), year, month, day, courseId, categoryId].join('-'));\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Reload the current day view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const reloadCurrentDay = (root, courseId = 0, categoryId = 0) => {\n    const wrapper = root.find(CalendarSelectors.wrapper);\n    const year = wrapper.data('year');\n    const month = wrapper.data('month');\n    const day = wrapper.data('day');\n\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return refreshDayContent(root, year, month, day, courseId, categoryId);\n};\n\n/**\n * Handle changes to the current calendar view.\n *\n * @param {object} root The root element.\n * @param {String} url The calendar url to be shown\n * @param {Number} year Year\n * @param {Number} month Month\n * @param {Number} day Day\n * @param {Number} courseId The id of the course whose events are shown\n * @param {Number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const changeDay = (root, url, year, month, day, courseId, categoryId) => {\n    return refreshDayContent(root, year, month, day, courseId, categoryId)\n        .then((...args) => {\n            if (url.length && url !== '#') {\n                window.history.pushState({}, '', url);\n            }\n            return args;\n        })\n        .then((...args) => {\n            $('body').trigger(CalendarEvents.dayChanged, [year, month, courseId, categoryId]);\n            return args;\n        });\n};\n\n/**\n * Set the element state to loading.\n *\n * @param {object} root The container element\n * @method startLoading\n */\nconst startLoading = (root) => {\n    const loadingIconContainer = root.find(CalendarSelectors.containers.loadingIcon);\n\n    loadingIconContainer.removeClass('hidden');\n};\n\n/**\n * Remove the loading state from the element.\n *\n * @param {object} root The container element\n * @method stopLoading\n */\nconst stopLoading = (root) => {\n    const loadingIconContainer = root.find(CalendarSelectors.containers.loadingIcon);\n\n    loadingIconContainer.addClass('hidden');\n};\n\n/**\n * Reload the current month view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n * @return {promise}\n */\nexport const reloadCurrentUpcoming = (root, courseId = 0, categoryId = 0, target = null, template = '') => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return CalendarRepository.getCalendarUpcomingData(courseId, categoryId)\n        .then((context) => {\n            context.viewingupcoming = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(function() {\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Get the CSS class to apply for the given event type.\n *\n * @param {string} eventType The calendar event type\n * @return {string}\n */\nconst getEventTypeClassFromType = (eventType) => {\n    return 'calendar_event_' + eventType;\n};\n\n/**\n * Render the event summary modal.\n *\n * @param {Number} eventId The calendar event id.\n * @returns {Promise}\n */\nconst renderEventSummaryModal = (eventId) => {\n    const pendingPromise = new Pending('core_calendar/view_manager:renderEventSummaryModal');\n\n    // Calendar repository promise.\n    return CalendarRepository.getEventById(eventId)\n    .then((getEventResponse) => {\n        if (!getEventResponse.event) {\n            throw new Error('Error encountered while trying to fetch calendar event with ID: ' + eventId);\n        }\n\n        return getEventResponse.event;\n    })\n    .then(eventData => {\n        // Build the modal parameters from the event data.\n        const modalParams = {\n            title: eventData.name,\n            type: SummaryModal.TYPE,\n            body: Templates.render('core_calendar/event_summary_body', eventData),\n            templateContext: {\n                canedit: eventData.canedit,\n                candelete: eventData.candelete,\n                headerclasses: getEventTypeClassFromType(eventData.normalisedeventtype),\n                isactionevent: eventData.isactionevent,\n                url: eventData.url,\n                action: eventData.action\n            }\n        };\n\n        // Create the modal.\n        return ModalFactory.create(modalParams);\n    })\n    .then(modal => {\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, function() {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Finally, render the modal!\n        modal.show();\n\n        return modal;\n    })\n    .then(modal => {\n        pendingPromise.resolve();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\nexport const init = (root, view) => {\n    registerEventListeners(root, view);\n};\n"],"file":"view_manager.min.js"}
\ No newline at end of file
diff --git a/contentbank/amd/build/actions.min.js b/contentbank/amd/build/actions.min.js
index 0f2b538f2ec..636f5527903 100644
--- a/contentbank/amd/build/actions.min.js
+++ b/contentbank/amd/build/actions.min.js
@@ -1,2 +1,2 @@
-define ("core_contentbank/actions",["jquery","core/ajax","core/notification","core/str","core/templates","core/url","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f,g,h){var k={DELETE_CONTENT:"[data-action=\"deletecontent\"]",RENAME_CONTENT:"[data-action=\"renamecontent\"]"},l=function(){this.registerEvents()};l.prototype.registerEvents=function(){a(k.DELETE_CONTENT).click(function(b){b.preventDefault();var e=a(this).data("contentname"),f=a(this).data("contentid"),j=a(this).data("contextid"),k="";d.get_strings([{key:"deletecontent",component:"core_contentbank"},{key:"deletecontentconfirm",component:"core_contentbank",param:{name:e}},{key:"delete",component:"core"}]).then(function(a){var b=a[0],c=a[1];k=a[2];return g.create({title:b,body:c,type:g.types.SAVE_CANCEL,large:!0})}).done(function(a){a.setSaveButtonText(k);a.getRoot().on(h.save,function(){return i(f,j)});a.getRoot().on(h.hidden,function(){a.destroy()});a.show()}).catch(c.exception)});a(k.RENAME_CONTENT).click(function(b){b.preventDefault();var f=a(this).data("contentname"),i=a(this).data("contentid"),k="";d.get_strings([{key:"renamecontent",component:"core_contentbank"},{key:"rename",component:"core_contentbank"}]).then(function(a){var b=a[0];k=a[1];return g.create({title:b,body:e.render("core_contentbank/renamecontent",{contentid:i,name:f}),type:g.types.SAVE_CANCEL})}).then(function(b){b.setSaveButtonText(k);b.getRoot().on(h.save,function(b){var e=a("#newname").val().trim();if(e){j(i,e)}else{d.get_strings([{key:"error"},{key:"emptynamenotallowed",component:"core_contentbank"}]).then(function(a){c.alert(a[0],a[1])}).catch(c.exception);b.preventDefault()}});b.getRoot().on(h.hidden,function(){b.destroy()});b.show()}).catch(c.exception)})};function i(a,d){var e="success";b.call([{methodname:"core_contentbank_delete_content",args:{contentids:{contentid:a}}}])[0].then(function(a){if(a.result){return"contentdeleted"}e="error";return"contentnotdeleted"}).done(function(a){var b={contextid:d};if("success"==e){b.statusmsg=a}else{b.errormsg=a}window.location.href=f.relativeUrl("contentbank/index.php",b,!1)}).fail(c.exception)}function j(a,d){var e="success";b.call([{methodname:"core_contentbank_rename_content",args:{contentid:a,name:d}}])[0].then(function(a){if(a.result){return"contentrenamed"}e="error";return a.warnings[0].message}).then(function(b){var d=null;if("success"==e){d={id:a,statusmsg:b};window.location.href=f.relativeUrl("contentbank/view.php",d,!1)}else{c.addNotification({message:b,type:"error"});c.fetchNotifications()}}).catch(c.exception)}return{init:function init(){return new l}}});
+define ("core_contentbank/actions",["jquery","core/ajax","core/notification","core/str","core/templates","core/url","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f,g,h){var i={DELETE_CONTENT:"[data-action=\"deletecontent\"]",RENAME_CONTENT:"[data-action=\"renamecontent\"]"},j=function(){this.registerEvents()};j.prototype.registerEvents=function(){a(i.DELETE_CONTENT).click(function(b){b.preventDefault();var e=a(this).data("contentname"),f=a(this).data("contentid"),i=a(this).data("contextid"),j="";d.get_strings([{key:"deletecontent",component:"core_contentbank"},{key:"deletecontentconfirm",component:"core_contentbank",param:{name:e}},{key:"delete",component:"core"}]).then(function(a){var b=a[0],c=a[1];j=a[2];return g.create({title:b,body:c,type:g.types.SAVE_CANCEL,large:!0})}).done(function(a){a.setSaveButtonText(j);a.getRoot().on(h.save,function(){return k(f,i)});a.getRoot().on(h.hidden,function(){a.destroy()});a.show()}).catch(c.exception)});a(i.RENAME_CONTENT).click(function(b){b.preventDefault();var f=a(this).data("contentname"),i=a(this).data("contentid"),j="";d.get_strings([{key:"renamecontent",component:"core_contentbank"},{key:"rename",component:"core_contentbank"}]).then(function(a){var b=a[0];j=a[1];return g.create({title:b,body:e.render("core_contentbank/renamecontent",{contentid:i,name:f}),type:g.types.SAVE_CANCEL})}).then(function(b){b.setSaveButtonText(j);b.getRoot().on(h.save,function(b){var e=a("#newname").val().trim();if(e){l(i,e)}else{d.get_strings([{key:"error"},{key:"emptynamenotallowed",component:"core_contentbank"}]).then(function(a){c.alert(a[0],a[1])}).catch(c.exception);b.preventDefault()}});b.getRoot().on(h.hidden,function(){b.destroy()});b.show()}).catch(c.exception)})};function k(a,d){var e="success";b.call([{methodname:"core_contentbank_delete_content",args:{contentids:{contentid:a}}}])[0].then(function(a){if(a.result){return"contentdeleted"}e="error";return"contentnotdeleted"}).done(function(a){var b={contextid:d};if("success"==e){b.statusmsg=a}else{b.errormsg=a}window.location.href=f.relativeUrl("contentbank/index.php",b,!1)}).fail(c.exception)}function l(a,d){var e="success";b.call([{methodname:"core_contentbank_rename_content",args:{contentid:a,name:d}}])[0].then(function(a){if(a.result){return"contentrenamed"}e="error";return a.warnings[0].message}).then(function(b){var d=null;if("success"==e){d={id:a,statusmsg:b};window.location.href=f.relativeUrl("contentbank/view.php",d,!1)}else{c.addNotification({message:b,type:"error"});c.fetchNotifications()}}).catch(c.exception)}return{init:function init(){return new j}}});
 //# sourceMappingURL=actions.min.js.map
diff --git a/contentbank/amd/build/search.min.js b/contentbank/amd/build/search.min.js
index 16c80b09dfd..e80207d3679 100644
--- a/contentbank/amd/build/search.min.js
+++ b/contentbank/amd/build/search.min.js
@@ -1,2 +1,2 @@
-define ("core_contentbank/search",["exports","jquery","core_contentbank/selectors","core/str","core/pending","core/utils"],function(a,b,c,d,e,f){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=g(b);c=g(c);e=g(e);function g(a){return a&&a.__esModule?a:{default:a}}function h(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function i(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var i=a.apply(b,c);function f(a){h(i,d,e,f,g,"next",a)}function g(a){h(i,d,e,f,g,"throw",a)}f(void 0)})}}var j=function(){var a=new e.default,d=(0,b.default)(c.default.regions.contentbank);k(d);a.resolve()};a.init=j;var k=function(a){var b=a.find(c.default.elements.searchinput)[0];a.on("click",c.default.actions.search,function(c){c.preventDefault();l(a,b.value)});a.on("click",c.default.actions.clearSearch,function(c){c.preventDefault();b.value="";b.focus();l(a,b.value)});b.addEventListener("input",(0,f.debounce)(function(){l(a,b.value)},300))},l=function(){var a=i(regeneratorRuntime.mark(function a(b,e){var f,g,h,i,j;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:f=b.find(c.default.elements.clearsearch)[0];g=b.find(c.default.elements.searchicon)[0];h=b.find(c.default.elements.cbnavbarbreadcrumb)[0];i=b.find(c.default.elements.cbnavbartotalsearch)[0];j=m(b,e);if(!(0<e.length)){a.next=15;break}g.classList.add("d-none");f.classList.remove("d-none");h.classList.add("d-none");a.next=11;return(0,d.get_string)("itemsfound","core_contentbank",j.length);case 11:i.innerHTML=a.sent;i.classList.remove("d-none");a.next=19;break;case 15:f.classList.add("d-none");g.classList.remove("d-none");h.classList.remove("d-none");i.classList.add("d-none");case 19:case"end":return a.stop();}}},a)}));return function(){return a.apply(this,arguments)}}(),m=function(a,b){var d=Array.from(a.find(c.default.elements.listitem)),e=[];d.forEach(function(a){var d=a.getAttribute("data-name");if(""===b||d.toLowerCase().includes(b.toLowerCase())){e.push(a);var f=a.querySelector(c.default.regions.cbcontentname);f.innerHTML=n(d,b);a.classList.remove("d-none")}else{a.classList.add("d-none")}});return e},n=function(a,b){var c=a;if(""!==b){var d=a.toLowerCase().indexOf(b.toLowerCase());if(-1<d){c=a.substr(0,d)+"<span class=\"matchtext\">"+a.substr(d,b.length)+"</span>"+a.substr(d+b.length)}}return c}});
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diff --git a/course/amd/build/activitychooser.min.js b/course/amd/build/activitychooser.min.js
index b8eeb838578..0615c85823a 100644
--- a/course/amd/build/activitychooser.min.js
+++ b/course/amd/build/activitychooser.min.js
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diff --git a/course/amd/build/activitychooser.min.js.map b/course/amd/build/activitychooser.min.js.map
index 77409060d24..8e8da1e69e9 100644
--- a/course/amd/build/activitychooser.min.js.map
+++ b/course/amd/build/activitychooser.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A type of dialogue used as for choosing modules in a course.\n *\n * @module     core_course/activitychooser\n * @package    core_course\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as ChooserDialogue from 'core_course/local/activitychooser/dialogue';\nimport * as Repository from 'core_course/local/activitychooser/repository';\nimport selectors from 'core_course/local/activitychooser/selectors';\nimport CustomEvents from 'core/custom_interaction_events';\nimport * as Templates from 'core/templates';\nimport * as ModalFactory from 'core/modal_factory';\nimport {get_string as getString} from 'core/str';\nimport Pending from 'core/pending';\n\n// Set up some JS module wide constants that can be added to in the future.\n\n// Tab config options.\nconst ALLACTIVITIESRESOURCES = 0;\nconst ONLYALL = 1;\nconst ACTIVITIESRESOURCES = 2;\n\n// Module types.\nconst ACTIVITY = 0;\nconst RESOURCE = 1;\n\n/**\n * Set up the activity chooser.\n *\n * @method init\n * @param {Number} courseId Course ID to use later on in fetchModules()\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n */\nexport const init = (courseId, chooserConfig) => {\n    const pendingPromise = new Pending();\n\n    registerListenerEvents(courseId, chooserConfig);\n\n    pendingPromise.resolve();\n};\n\n/**\n * Once a selection has been made make the modal & module information and pass it along\n *\n * @method registerListenerEvents\n * @param {Number} courseId\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n */\nconst registerListenerEvents = (courseId, chooserConfig) => {\n    const events = [\n        'click',\n        CustomEvents.events.activate,\n        CustomEvents.events.keyboardActivate\n    ];\n\n    const fetchModuleData = (() => {\n        let innerPromise = null;\n\n        return () => {\n            if (!innerPromise) {\n                innerPromise = new Promise((resolve) => {\n                    resolve(Repository.activityModules(courseId));\n                });\n            }\n\n            return innerPromise;\n        };\n    })();\n\n    const fetchFooterData = (() => {\n        let footerInnerPromise = null;\n\n        return (sectionId) => {\n            if (!footerInnerPromise) {\n                footerInnerPromise = new Promise((resolve) => {\n                    resolve(Repository.fetchFooterData(courseId, sectionId));\n                });\n            }\n\n            return footerInnerPromise;\n        };\n    })();\n\n    CustomEvents.define(document, events);\n\n    // Display module chooser event listeners.\n    events.forEach((event) => {\n        document.addEventListener(event, async(e) => {\n            if (e.target.closest(selectors.elements.sectionmodchooser)) {\n                let caller;\n                // We need to know who called this.\n                // Standard courses use the ID in the main section info.\n                const sectionDiv = e.target.closest(selectors.elements.section);\n                // Front page courses need some special handling.\n                const button = e.target.closest(selectors.elements.sectionmodchooser);\n\n                // If we don't have a section ID use the fallback ID.\n                // We always want the sectionDiv caller first as it keeps track of section ID's after DnD changes.\n                // The button attribute is always just a fallback for us as the section div is not always available.\n                // A YUI change could be done maybe to only update the button attribute but we are going for minimal change here.\n                if (sectionDiv !== null && sectionDiv.hasAttribute('data-sectionid')) {\n                    // We check for attributes just in case of outdated contrib course formats.\n                    caller = sectionDiv;\n                } else {\n                    caller = button;\n                }\n\n                // We want to show the modal instantly but loading whilst waiting for our data.\n                let bodyPromiseResolver;\n                const bodyPromise = new Promise(resolve => {\n                    bodyPromiseResolver = resolve;\n                });\n\n                const footerData = await fetchFooterData(caller.dataset.sectionid);\n                const sectionModal = buildModal(bodyPromise, footerData);\n\n                // Now we have a modal we should start fetching data.\n                // If an error occurs while fetching the data, display the error within the modal.\n                const data = await fetchModuleData().catch(async(e) => {\n                    const errorTemplateData = {\n                        'errormessage': e.message\n                    };\n                    bodyPromiseResolver(await Templates.render('core_course/local/activitychooser/error', errorTemplateData));\n                });\n\n                // Early return if there is no module data.\n                if (!data) {\n                    return;\n                }\n\n                // Apply the section id to all the module instance links.\n                const builtModuleData = sectionIdMapper(data, caller.dataset.sectionid, caller.dataset.sectionreturnid);\n\n                ChooserDialogue.displayChooser(\n                    sectionModal,\n                    builtModuleData,\n                    partiallyAppliedFavouriteManager(data, caller.dataset.sectionid),\n                    footerData,\n                );\n\n                bodyPromiseResolver(await Templates.render(\n                    'core_course/activitychooser',\n                    templateDataBuilder(builtModuleData, chooserConfig)\n                ));\n            }\n        });\n    });\n};\n\n/**\n * Given the web service data and an ID we want to make a deep copy\n * of the WS data then add on the section ID to the addoption URL\n *\n * @method sectionIdMapper\n * @param {Object} webServiceData Our original data from the Web service call\n * @param {Number} id The ID of the section we need to append to the links\n * @param {Number|null} sectionreturnid The ID of the section return we need to append to the links\n * @return {Array} [modules] with URL's built\n */\nconst sectionIdMapper = (webServiceData, id, sectionreturnid) => {\n    // We need to take a fresh deep copy of the original data as an object is a reference type.\n    const newData = JSON.parse(JSON.stringify(webServiceData));\n    newData.content_items.forEach((module) => {\n        module.link += '&section=' + id + '&sr=' + (sectionreturnid ?? 0);\n    });\n    return newData.content_items;\n};\n\n/**\n * Given an array of modules we want to figure out where & how to place them into our template object\n *\n * @method templateDataBuilder\n * @param {Array} data our modules to manipulate into a Templatable object\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n * @return {Object} Our built object ready to render out\n */\nconst templateDataBuilder = (data, chooserConfig) => {\n    // Setup of various bits and pieces we need to mutate before throwing it to the wolves.\n    let activities = [];\n    let resources = [];\n    let showAll = true;\n    let showActivities = false;\n    let showResources = false;\n\n    // Tab mode can be the following [All, Resources & Activities, All & Activities & Resources].\n    const tabMode = parseInt(chooserConfig.tabmode);\n\n    // Filter the incoming data to find favourite & recommended modules.\n    const favourites = data.filter(mod => mod.favourite === true);\n    const recommended = data.filter(mod => mod.recommended === true);\n\n    // Both of these modes need Activity & Resource tabs.\n    if ((tabMode === ALLACTIVITIESRESOURCES || tabMode === ACTIVITIESRESOURCES) && tabMode !== ONLYALL) {\n        // Filter the incoming data to find activities then resources.\n        activities = data.filter(mod => mod.archetype === ACTIVITY);\n        resources = data.filter(mod => mod.archetype === RESOURCE);\n        showActivities = true;\n        showResources = true;\n\n        // We want all of the previous information but no 'All' tab.\n        if (tabMode === ACTIVITIESRESOURCES) {\n            showAll = false;\n        }\n    }\n\n    // Given the results of the above filters lets figure out what tab to set active.\n    // We have some favourites.\n    const favouritesFirst = !!favourites.length;\n    // We are in tabMode 2 without any favourites.\n    const activitiesFirst = showAll === false && favouritesFirst === false;\n    // We have nothing fallback to show all modules.\n    const fallback = showAll === true && favouritesFirst === false;\n\n    return {\n        'default': data,\n        showAll: showAll,\n        activities: activities,\n        showActivities: showActivities,\n        activitiesFirst: activitiesFirst,\n        resources: resources,\n        showResources: showResources,\n        favourites: favourites,\n        recommended: recommended,\n        favouritesFirst: favouritesFirst,\n        fallback: fallback,\n    };\n};\n\n/**\n * Given an object we want to build a modal ready to show\n *\n * @method buildModal\n * @param {Promise} bodyPromise\n * @param {String|Boolean} footer Either a footer to add or nothing\n * @return {Object} The modal ready to display immediately and render body in later.\n */\nconst buildModal = (bodyPromise, footer) => {\n    return ModalFactory.create({\n        type: ModalFactory.types.DEFAULT,\n        title: getString('addresourceoractivity'),\n        body: bodyPromise,\n        footer: footer.customfootertemplate,\n        large: true,\n        templateContext: {\n            classes: 'modchooser'\n        }\n    })\n    .then(modal => {\n        modal.show();\n        return modal;\n    });\n};\n\n/**\n * A small helper function to handle the case where there are no more favourites\n * and we need to mess a bit with the available tabs in the chooser\n *\n * @method nullFavouriteDomManager\n * @param {HTMLElement} favouriteTabNav Dom node of the favourite tab nav\n * @param {HTMLElement} modalBody Our current modals' body\n */\nconst nullFavouriteDomManager = (favouriteTabNav, modalBody) => {\n    favouriteTabNav.tabIndex = -1;\n    favouriteTabNav.classList.add('d-none');\n    // Need to set active to an available tab.\n    if (favouriteTabNav.classList.contains('active')) {\n        favouriteTabNav.classList.remove('active');\n        favouriteTabNav.setAttribute('aria-selected', 'false');\n        const favouriteTab = modalBody.querySelector(selectors.regions.favouriteTab);\n        favouriteTab.classList.remove('active');\n        const defaultTabNav = modalBody.querySelector(selectors.regions.defaultTabNav);\n        const activitiesTabNav = modalBody.querySelector(selectors.regions.activityTabNav);\n        if (defaultTabNav.classList.contains('d-none') === false) {\n            defaultTabNav.classList.add('active');\n            defaultTabNav.setAttribute('aria-selected', 'true');\n            defaultTabNav.tabIndex = 0;\n            defaultTabNav.focus();\n            const defaultTab = modalBody.querySelector(selectors.regions.defaultTab);\n            defaultTab.classList.add('active');\n        } else {\n            activitiesTabNav.classList.add('active');\n            activitiesTabNav.setAttribute('aria-selected', 'true');\n            activitiesTabNav.tabIndex = 0;\n            activitiesTabNav.focus();\n            const activitiesTab = modalBody.querySelector(selectors.regions.activityTab);\n            activitiesTab.classList.add('active');\n        }\n\n    }\n};\n\n/**\n * Export a curried function where the builtModules has been applied.\n * We have our array of modules so we can rerender the favourites area and have all of the items sorted.\n *\n * @method partiallyAppliedFavouriteManager\n * @param {Array} moduleData This is our raw WS data that we need to manipulate\n * @param {Number} sectionId We need this to add the sectionID to the URL's in the faves area after rerender\n * @return {Function} partially applied function so we can manipulate DOM nodes easily & update our internal array\n */\nconst partiallyAppliedFavouriteManager = (moduleData, sectionId) => {\n    /**\n     * Curried function that is being returned.\n     *\n     * @param {String} internal Internal name of the module to manage\n     * @param {Boolean} favourite Is the caller adding a favourite or removing one?\n     * @param {HTMLElement} modalBody What we need to update whilst we are here\n     */\n    return async(internal, favourite, modalBody) => {\n        const favouriteArea = modalBody.querySelector(selectors.render.favourites);\n\n        // eslint-disable-next-line max-len\n        const favouriteButtons = modalBody.querySelectorAll(`[data-internal=\"${internal}\"] ${selectors.actions.optionActions.manageFavourite}`);\n        const favouriteTabNav = modalBody.querySelector(selectors.regions.favouriteTabNav);\n        const result = moduleData.content_items.find(({name}) => name === internal);\n        const newFaves = {};\n        if (result) {\n            if (favourite) {\n                result.favourite = true;\n\n                // eslint-disable-next-line camelcase\n                newFaves.content_items = moduleData.content_items.filter(mod => mod.favourite === true);\n\n                const builtFaves = sectionIdMapper(newFaves, sectionId);\n\n                const {html, js} = await Templates.renderForPromise('core_course/local/activitychooser/favourites',\n                    {favourites: builtFaves});\n\n                await Templates.replaceNodeContents(favouriteArea, html, js);\n\n                Array.from(favouriteButtons).forEach((element) => {\n                    element.classList.remove('text-muted');\n                    element.classList.add('text-primary');\n                    element.dataset.favourited = 'true';\n                    element.setAttribute('aria-pressed', true);\n                    element.firstElementChild.classList.remove('fa-star-o');\n                    element.firstElementChild.classList.add('fa-star');\n                });\n\n                favouriteTabNav.classList.remove('d-none');\n            } else {\n                result.favourite = false;\n\n                const nodeToRemove = favouriteArea.querySelector(`[data-internal=\"${internal}\"]`);\n\n                nodeToRemove.parentNode.removeChild(nodeToRemove);\n\n                Array.from(favouriteButtons).forEach((element) => {\n                    element.classList.add('text-muted');\n                    element.classList.remove('text-primary');\n                    element.dataset.favourited = 'false';\n                    element.setAttribute('aria-pressed', false);\n                    element.firstElementChild.classList.remove('fa-star');\n                    element.firstElementChild.classList.add('fa-star-o');\n                });\n                const newFaves = moduleData.content_items.filter(mod => mod.favourite === true);\n\n                if (newFaves.length === 0) {\n                    nullFavouriteDomManager(favouriteTabNav, modalBody);\n                }\n            }\n        }\n    };\n};\n"],"file":"activitychooser.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A type of dialogue used as for choosing modules in a course.\n *\n * @module     core_course/activitychooser\n * @package    core_course\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as ChooserDialogue from 'core_course/local/activitychooser/dialogue';\nimport * as Repository from 'core_course/local/activitychooser/repository';\nimport selectors from 'core_course/local/activitychooser/selectors';\nimport CustomEvents from 'core/custom_interaction_events';\nimport * as Templates from 'core/templates';\nimport * as ModalFactory from 'core/modal_factory';\nimport {get_string as getString} from 'core/str';\nimport Pending from 'core/pending';\n\n// Set up some JS module wide constants that can be added to in the future.\n\n// Tab config options.\nconst ALLACTIVITIESRESOURCES = 0;\nconst ONLYALL = 1;\nconst ACTIVITIESRESOURCES = 2;\n\n// Module types.\nconst ACTIVITY = 0;\nconst RESOURCE = 1;\n\n/**\n * Set up the activity chooser.\n *\n * @method init\n * @param {Number} courseId Course ID to use later on in fetchModules()\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n */\nexport const init = (courseId, chooserConfig) => {\n    const pendingPromise = new Pending();\n\n    registerListenerEvents(courseId, chooserConfig);\n\n    pendingPromise.resolve();\n};\n\n/**\n * Once a selection has been made make the modal & module information and pass it along\n *\n * @method registerListenerEvents\n * @param {Number} courseId\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n */\nconst registerListenerEvents = (courseId, chooserConfig) => {\n    const events = [\n        'click',\n        CustomEvents.events.activate,\n        CustomEvents.events.keyboardActivate\n    ];\n\n    const fetchModuleData = (() => {\n        let innerPromise = null;\n\n        return () => {\n            if (!innerPromise) {\n                innerPromise = new Promise((resolve) => {\n                    resolve(Repository.activityModules(courseId));\n                });\n            }\n\n            return innerPromise;\n        };\n    })();\n\n    const fetchFooterData = (() => {\n        let footerInnerPromise = null;\n\n        return (sectionId) => {\n            if (!footerInnerPromise) {\n                footerInnerPromise = new Promise((resolve) => {\n                    resolve(Repository.fetchFooterData(courseId, sectionId));\n                });\n            }\n\n            return footerInnerPromise;\n        };\n    })();\n\n    CustomEvents.define(document, events);\n\n    // Display module chooser event listeners.\n    events.forEach((event) => {\n        document.addEventListener(event, async(e) => {\n            if (e.target.closest(selectors.elements.sectionmodchooser)) {\n                let caller;\n                // We need to know who called this.\n                // Standard courses use the ID in the main section info.\n                const sectionDiv = e.target.closest(selectors.elements.section);\n                // Front page courses need some special handling.\n                const button = e.target.closest(selectors.elements.sectionmodchooser);\n\n                // If we don't have a section ID use the fallback ID.\n                // We always want the sectionDiv caller first as it keeps track of section ID's after DnD changes.\n                // The button attribute is always just a fallback for us as the section div is not always available.\n                // A YUI change could be done maybe to only update the button attribute but we are going for minimal change here.\n                if (sectionDiv !== null && sectionDiv.hasAttribute('data-sectionid')) {\n                    // We check for attributes just in case of outdated contrib course formats.\n                    caller = sectionDiv;\n                } else {\n                    caller = button;\n                }\n\n                // We want to show the modal instantly but loading whilst waiting for our data.\n                let bodyPromiseResolver;\n                const bodyPromise = new Promise(resolve => {\n                    bodyPromiseResolver = resolve;\n                });\n\n                const footerData = await fetchFooterData(caller.dataset.sectionid);\n                const sectionModal = buildModal(bodyPromise, footerData);\n\n                // Now we have a modal we should start fetching data.\n                // If an error occurs while fetching the data, display the error within the modal.\n                const data = await fetchModuleData().catch(async(e) => {\n                    const errorTemplateData = {\n                        'errormessage': e.message\n                    };\n                    bodyPromiseResolver(await Templates.render('core_course/local/activitychooser/error', errorTemplateData));\n                });\n\n                // Early return if there is no module data.\n                if (!data) {\n                    return;\n                }\n\n                // Apply the section id to all the module instance links.\n                const builtModuleData = sectionIdMapper(data, caller.dataset.sectionid, caller.dataset.sectionreturnid);\n\n                ChooserDialogue.displayChooser(\n                    sectionModal,\n                    builtModuleData,\n                    partiallyAppliedFavouriteManager(data, caller.dataset.sectionid),\n                    footerData,\n                );\n\n                bodyPromiseResolver(await Templates.render(\n                    'core_course/activitychooser',\n                    templateDataBuilder(builtModuleData, chooserConfig)\n                ));\n            }\n        });\n    });\n};\n\n/**\n * Given the web service data and an ID we want to make a deep copy\n * of the WS data then add on the section ID to the addoption URL\n *\n * @method sectionIdMapper\n * @param {Object} webServiceData Our original data from the Web service call\n * @param {Number} id The ID of the section we need to append to the links\n * @param {Number|null} sectionreturnid The ID of the section return we need to append to the links\n * @return {Array} [modules] with URL's built\n */\nconst sectionIdMapper = (webServiceData, id, sectionreturnid) => {\n    // We need to take a fresh deep copy of the original data as an object is a reference type.\n    const newData = JSON.parse(JSON.stringify(webServiceData));\n    newData.content_items.forEach((module) => {\n        module.link += '&section=' + id + '&sr=' + (sectionreturnid ?? 0);\n    });\n    return newData.content_items;\n};\n\n/**\n * Given an array of modules we want to figure out where & how to place them into our template object\n *\n * @method templateDataBuilder\n * @param {Array} data our modules to manipulate into a Templatable object\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n * @return {Object} Our built object ready to render out\n */\nconst templateDataBuilder = (data, chooserConfig) => {\n    // Setup of various bits and pieces we need to mutate before throwing it to the wolves.\n    let activities = [];\n    let resources = [];\n    let showAll = true;\n    let showActivities = false;\n    let showResources = false;\n\n    // Tab mode can be the following [All, Resources & Activities, All & Activities & Resources].\n    const tabMode = parseInt(chooserConfig.tabmode);\n\n    // Filter the incoming data to find favourite & recommended modules.\n    const favourites = data.filter(mod => mod.favourite === true);\n    const recommended = data.filter(mod => mod.recommended === true);\n\n    // Both of these modes need Activity & Resource tabs.\n    if ((tabMode === ALLACTIVITIESRESOURCES || tabMode === ACTIVITIESRESOURCES) && tabMode !== ONLYALL) {\n        // Filter the incoming data to find activities then resources.\n        activities = data.filter(mod => mod.archetype === ACTIVITY);\n        resources = data.filter(mod => mod.archetype === RESOURCE);\n        showActivities = true;\n        showResources = true;\n\n        // We want all of the previous information but no 'All' tab.\n        if (tabMode === ACTIVITIESRESOURCES) {\n            showAll = false;\n        }\n    }\n\n    // Given the results of the above filters lets figure out what tab to set active.\n    // We have some favourites.\n    const favouritesFirst = !!favourites.length;\n    // We are in tabMode 2 without any favourites.\n    const activitiesFirst = showAll === false && favouritesFirst === false;\n    // We have nothing fallback to show all modules.\n    const fallback = showAll === true && favouritesFirst === false;\n\n    return {\n        'default': data,\n        showAll: showAll,\n        activities: activities,\n        showActivities: showActivities,\n        activitiesFirst: activitiesFirst,\n        resources: resources,\n        showResources: showResources,\n        favourites: favourites,\n        recommended: recommended,\n        favouritesFirst: favouritesFirst,\n        fallback: fallback,\n    };\n};\n\n/**\n * Given an object we want to build a modal ready to show\n *\n * @method buildModal\n * @param {Promise} bodyPromise\n * @param {String|Boolean} footer Either a footer to add or nothing\n * @return {Object} The modal ready to display immediately and render body in later.\n */\nconst buildModal = (bodyPromise, footer) => {\n    return ModalFactory.create({\n        type: ModalFactory.types.DEFAULT,\n        title: getString('addresourceoractivity'),\n        body: bodyPromise,\n        footer: footer.customfootertemplate,\n        large: true,\n        templateContext: {\n            classes: 'modchooser'\n        }\n    })\n    .then(modal => {\n        modal.show();\n        return modal;\n    });\n};\n\n/**\n * A small helper function to handle the case where there are no more favourites\n * and we need to mess a bit with the available tabs in the chooser\n *\n * @method nullFavouriteDomManager\n * @param {HTMLElement} favouriteTabNav Dom node of the favourite tab nav\n * @param {HTMLElement} modalBody Our current modals' body\n */\nconst nullFavouriteDomManager = (favouriteTabNav, modalBody) => {\n    favouriteTabNav.tabIndex = -1;\n    favouriteTabNav.classList.add('d-none');\n    // Need to set active to an available tab.\n    if (favouriteTabNav.classList.contains('active')) {\n        favouriteTabNav.classList.remove('active');\n        favouriteTabNav.setAttribute('aria-selected', 'false');\n        const favouriteTab = modalBody.querySelector(selectors.regions.favouriteTab);\n        favouriteTab.classList.remove('active');\n        const defaultTabNav = modalBody.querySelector(selectors.regions.defaultTabNav);\n        const activitiesTabNav = modalBody.querySelector(selectors.regions.activityTabNav);\n        if (defaultTabNav.classList.contains('d-none') === false) {\n            defaultTabNav.classList.add('active');\n            defaultTabNav.setAttribute('aria-selected', 'true');\n            defaultTabNav.tabIndex = 0;\n            defaultTabNav.focus();\n            const defaultTab = modalBody.querySelector(selectors.regions.defaultTab);\n            defaultTab.classList.add('active');\n        } else {\n            activitiesTabNav.classList.add('active');\n            activitiesTabNav.setAttribute('aria-selected', 'true');\n            activitiesTabNav.tabIndex = 0;\n            activitiesTabNav.focus();\n            const activitiesTab = modalBody.querySelector(selectors.regions.activityTab);\n            activitiesTab.classList.add('active');\n        }\n\n    }\n};\n\n/**\n * Export a curried function where the builtModules has been applied.\n * We have our array of modules so we can rerender the favourites area and have all of the items sorted.\n *\n * @method partiallyAppliedFavouriteManager\n * @param {Array} moduleData This is our raw WS data that we need to manipulate\n * @param {Number} sectionId We need this to add the sectionID to the URL's in the faves area after rerender\n * @return {Function} partially applied function so we can manipulate DOM nodes easily & update our internal array\n */\nconst partiallyAppliedFavouriteManager = (moduleData, sectionId) => {\n    /**\n     * Curried function that is being returned.\n     *\n     * @param {String} internal Internal name of the module to manage\n     * @param {Boolean} favourite Is the caller adding a favourite or removing one?\n     * @param {HTMLElement} modalBody What we need to update whilst we are here\n     */\n    return async(internal, favourite, modalBody) => {\n        const favouriteArea = modalBody.querySelector(selectors.render.favourites);\n\n        // eslint-disable-next-line max-len\n        const favouriteButtons = modalBody.querySelectorAll(`[data-internal=\"${internal}\"] ${selectors.actions.optionActions.manageFavourite}`);\n        const favouriteTabNav = modalBody.querySelector(selectors.regions.favouriteTabNav);\n        const result = moduleData.content_items.find(({name}) => name === internal);\n        const newFaves = {};\n        if (result) {\n            if (favourite) {\n                result.favourite = true;\n\n                // eslint-disable-next-line camelcase\n                newFaves.content_items = moduleData.content_items.filter(mod => mod.favourite === true);\n\n                const builtFaves = sectionIdMapper(newFaves, sectionId);\n\n                const {html, js} = await Templates.renderForPromise('core_course/local/activitychooser/favourites',\n                    {favourites: builtFaves});\n\n                await Templates.replaceNodeContents(favouriteArea, html, js);\n\n                Array.from(favouriteButtons).forEach((element) => {\n                    element.classList.remove('text-muted');\n                    element.classList.add('text-primary');\n                    element.dataset.favourited = 'true';\n                    element.setAttribute('aria-pressed', true);\n                    element.firstElementChild.classList.remove('fa-star-o');\n                    element.firstElementChild.classList.add('fa-star');\n                });\n\n                favouriteTabNav.classList.remove('d-none');\n            } else {\n                result.favourite = false;\n\n                const nodeToRemove = favouriteArea.querySelector(`[data-internal=\"${internal}\"]`);\n\n                nodeToRemove.parentNode.removeChild(nodeToRemove);\n\n                Array.from(favouriteButtons).forEach((element) => {\n                    element.classList.add('text-muted');\n                    element.classList.remove('text-primary');\n                    element.dataset.favourited = 'false';\n                    element.setAttribute('aria-pressed', false);\n                    element.firstElementChild.classList.remove('fa-star');\n                    element.firstElementChild.classList.add('fa-star-o');\n                });\n                const newFaves = moduleData.content_items.filter(mod => mod.favourite === true);\n\n                if (newFaves.length === 0) {\n                    nullFavouriteDomManager(favouriteTabNav, modalBody);\n                }\n            }\n        }\n    };\n};\n"],"file":"activitychooser.min.js"}
\ No newline at end of file
diff --git a/course/amd/build/copy_modal.min.js b/course/amd/build/copy_modal.min.js
index e67d350bffc..da1dfde243c 100644
--- a/course/amd/build/copy_modal.min.js
+++ b/course/amd/build/copy_modal.min.js
@@ -1,2 +1,2 @@
-define ("core_course/copy_modal",["jquery","core/str","core/modal_factory","core/modal_events","core/ajax","core/fragment","core/notification","core/config"],function(a,b,c,d,f,g,h,i){var m={},n,o,p,q="<p class=\"text-center\"><i class=\"fa fa-spinner fa-pulse fa-2x fa-fw\"></i></p>";function j(){b.get_string("loading").then(function(a){c.create({type:c.types.DEFAULT,title:a,body:q,large:!0}).done(function(a){p=a;p.getRoot().on("click","#id_submitreturn",l);p.getRoot().on("click","#id_submitdisplay",function(a){a.formredirect=!0;l(a)});p.getRoot().on("click","#id_cancel",function(a){a.preventDefault();p.setBody(q);p.hide()})})}).catch(function(){h.exception(new Error("Failed to load string: loading"))})}function k(a){if("undefined"==typeof a){a={}}var c={jsonformdata:JSON.stringify(a),courseid:o.id};p.setBody(q);b.get_string("copycoursetitle","backup",o.shortname).then(function(a){p.setTitle(a);p.setBody(g.loadFragment("course","new_base_form",n,c))}).catch(function(){h.exception(new Error("Failed to load string: copycoursetitle"))})}function l(b){b.preventDefault();var c=p.getRoot().find("form").serialize(),d=JSON.stringify(c),e=a.merge(p.getRoot().find("[aria-invalid=\"true\"]"),p.getRoot().find(".error"));if(e.length){e.first().focus();return}f.call([{methodname:"core_backup_submit_copy_form",args:{jsonformdata:d}}])[0].done(function(){p.setBody(q);p.hide();if(!0==b.formredirect){var a=i.wwwroot+"/backup/copyprogress.php?id="+o.id;window.location.assign(a)}}).fail(function(){k(c)})}m.init=function(b){n=b;j();a(".action-copy").on("click",function(a){a.preventDefault();var b=new URL(this.getAttribute("href")),c=new URLSearchParams(b.search),d=c.get("id");f.call([{methodname:"core_course_get_courses",args:{options:{ids:[d]}}}])[0].done(function(a){o=a[0];k()}).fail(function(){h.exception(new Error("Failed to load course"))});p.show()})};return m});
+define ("core_course/copy_modal",["jquery","core/str","core/modal_factory","core/modal_events","core/ajax","core/fragment","core/notification","core/config"],function(a,b,c,d,f,g,h,i){var j={},k,l,m,n="<p class=\"text-center\"><i class=\"fa fa-spinner fa-pulse fa-2x fa-fw\"></i></p>";function o(){b.get_string("loading").then(function(a){c.create({type:c.types.DEFAULT,title:a,body:n,large:!0}).done(function(a){m=a;m.getRoot().on("click","#id_submitreturn",q);m.getRoot().on("click","#id_submitdisplay",function(a){a.formredirect=!0;q(a)});m.getRoot().on("click","#id_cancel",function(a){a.preventDefault();m.setBody(n);m.hide()})})}).catch(function(){h.exception(new Error("Failed to load string: loading"))})}function p(a){if("undefined"==typeof a){a={}}var c={jsonformdata:JSON.stringify(a),courseid:l.id};m.setBody(n);b.get_string("copycoursetitle","backup",l.shortname).then(function(a){m.setTitle(a);m.setBody(g.loadFragment("course","new_base_form",k,c))}).catch(function(){h.exception(new Error("Failed to load string: copycoursetitle"))})}function q(b){b.preventDefault();var c=m.getRoot().find("form").serialize(),d=JSON.stringify(c),e=a.merge(m.getRoot().find("[aria-invalid=\"true\"]"),m.getRoot().find(".error"));if(e.length){e.first().focus();return}f.call([{methodname:"core_backup_submit_copy_form",args:{jsonformdata:d}}])[0].done(function(){m.setBody(n);m.hide();if(!0==b.formredirect){var a=i.wwwroot+"/backup/copyprogress.php?id="+l.id;window.location.assign(a)}}).fail(function(){p(c)})}j.init=function(b){k=b;o();a(".action-copy").on("click",function(a){a.preventDefault();var b=new URL(this.getAttribute("href")),c=new URLSearchParams(b.search),d=c.get("id");f.call([{methodname:"core_course_get_courses",args:{options:{ids:[d]}}}])[0].done(function(a){l=a[0];p()}).fail(function(){h.exception(new Error("Failed to load course"))});m.show()})};return j});
 //# sourceMappingURL=copy_modal.min.js.map
diff --git a/course/amd/build/local/activitychooser/dialogue.min.js b/course/amd/build/local/activitychooser/dialogue.min.js
index dec0c793199..e44db26b65c 100644
--- a/course/amd/build/local/activitychooser/dialogue.min.js
+++ b/course/amd/build/local/activitychooser/dialogue.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core_course/local/activitychooser/dialogue",["exports","jquery","core/modal_events","core_course/local/activitychooser/selectors","core/templates","core/key_codes","core/loadingicon","core_course/local/activitychooser/repository","core/notification","core/utils"],function(a,b,c,d,e,f,g,h,i,j){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.displayChooser=void 0;b=m(b);c=l(c);d=m(d);e=l(e);h=l(h);i=m(i);var v="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function k(){if("function"!=typeof WeakMap)return null;var a=new WeakMap;k=function(){return a};return a}function l(a){if(a&&a.__esModule){return 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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A type of dialogue used as for choosing options.\n *\n * @module     core_course/local/chooser/dialogue\n * @package    core\n * @copyright  2019 Mihail Geshoski <mihail@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport * as ModalEvents from 'core/modal_events';\nimport selectors from 'core_course/local/activitychooser/selectors';\nimport * as Templates from 'core/templates';\nimport {end, arrowLeft, arrowRight, home, enter, space} from 'core/key_codes';\nimport {addIconToContainer} from 'core/loadingicon';\nimport * as Repository from 'core_course/local/activitychooser/repository';\nimport Notification from 'core/notification';\nimport {debounce} from 'core/utils';\nconst getPlugin = pluginName => import(pluginName);\n\n/**\n * Given an event from the main module 'page' navigate to it's help section via a carousel.\n *\n * @method showModuleHelp\n * @param {jQuery} carousel Our initialized carousel to manipulate\n * @param {Object} moduleData Data of the module to carousel to\n * @param {jQuery} modal We need to figure out if the current modal has a footer.\n */\nconst showModuleHelp = (carousel, moduleData, modal = null) => {\n    // If we have a real footer then we need to change temporarily.\n    if (modal !== null && moduleData.showFooter === true) {\n        modal.setFooter(Templates.render('core_course/local/activitychooser/footer_partial', moduleData));\n    }\n    const help = carousel.find(selectors.regions.help)[0];\n    help.innerHTML = '';\n    help.classList.add('m-auto');\n\n    // Add a spinner.\n    const spinnerPromise = addIconToContainer(help);\n\n    // Used later...\n    let transitionPromiseResolver = null;\n    const transitionPromise = new Promise(resolve => {\n        transitionPromiseResolver = resolve;\n    });\n\n    // Build up the html & js ready to place into the help section.\n    const contentPromise = Templates.renderForPromise('core_course/local/activitychooser/help', moduleData);\n\n    // Wait for the content to be ready, and for the transition to be complet.\n    Promise.all([contentPromise, spinnerPromise, transitionPromise])\n        .then(([{html, js}]) => Templates.replaceNodeContents(help, html, js))\n        .then(() => {\n            help.querySelector(selectors.regions.chooserSummary.header).focus();\n            return help;\n        })\n        .catch(Notification.exception);\n\n    // Move to the next slide, and resolve the transition promise when it's done.\n    carousel.one('slid.bs.carousel', () => {\n        transitionPromiseResolver();\n    });\n    // Trigger the transition between 'pages'.\n    carousel.carousel('next');\n};\n\n/**\n * Given a user wants to change the favourite state of a module we either add or remove the status.\n * We also propergate this change across our map of modals.\n *\n * @method manageFavouriteState\n * @param {HTMLElement} modalBody The DOM node of the modal to manipulate\n * @param {HTMLElement} caller\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n */\nconst manageFavouriteState = async(modalBody, caller, partialFavourite) => {\n    const isFavourite = caller.dataset.favourited;\n    const id = caller.dataset.id;\n    const name = caller.dataset.name;\n    const internal = caller.dataset.internal;\n    // Switch on fave or not.\n    if (isFavourite === 'true') {\n        await Repository.unfavouriteModule(name, id);\n\n        partialFavourite(internal, false, modalBody);\n    } else {\n        await Repository.favouriteModule(name, id);\n\n        partialFavourite(internal, true, modalBody);\n    }\n\n};\n\n/**\n * Register chooser related event listeners.\n *\n * @method registerListenerEvents\n * @param {Promise} modal Our modal that we are working with\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n * @param {Object} footerData Our base footer object.\n */\nconst registerListenerEvents = (modal, mappedModules, partialFavourite, footerData) => {\n    const bodyClickListener = async(e) => {\n        if (e.target.closest(selectors.actions.optionActions.showSummary)) {\n            const carousel = $(modal.getBody()[0].querySelector(selectors.regions.carousel));\n\n            const module = e.target.closest(selectors.regions.chooserOption.container);\n            const moduleName = module.dataset.modname;\n            const moduleData = mappedModules.get(moduleName);\n            // We need to know if the overall modal has a footer so we know when to show a real / vs fake footer.\n            moduleData.showFooter = modal.hasFooterContent();\n            showModuleHelp(carousel, moduleData, modal);\n        }\n\n        if (e.target.closest(selectors.actions.optionActions.manageFavourite)) {\n            const caller = e.target.closest(selectors.actions.optionActions.manageFavourite);\n            await manageFavouriteState(modal.getBody()[0], caller, partialFavourite);\n            const activeSectionId = modal.getBody()[0].querySelector(selectors.elements.activetab).getAttribute(\"href\");\n            const sectionChooserOptions = modal.getBody()[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n            const firstChooserOption = sectionChooserOptions\n                .querySelector(selectors.regions.chooserOption.container);\n            toggleFocusableChooserOption(firstChooserOption, true);\n            initChooserOptionsKeyboardNavigation(modal.getBody()[0], mappedModules, sectionChooserOptions, modal);\n        }\n\n        // From the help screen go back to the module overview.\n        if (e.target.matches(selectors.actions.closeOption)) {\n            const carousel = $(modal.getBody()[0].querySelector(selectors.regions.carousel));\n\n            // Trigger the transition between 'pages'.\n            carousel.carousel('prev');\n            carousel.on('slid.bs.carousel', () => {\n                const allModules = modal.getBody()[0].querySelector(selectors.regions.modules);\n                const caller = allModules.querySelector(selectors.regions.getModuleSelector(e.target.dataset.modname));\n                caller.focus();\n            });\n        }\n\n        // The \"clear search\" button is triggered.\n        if (e.target.closest(selectors.actions.clearSearch)) {\n            // Clear the entered search query in the search bar and hide the search results container.\n            const searchInput = modal.getBody()[0].querySelector(selectors.actions.search);\n            searchInput.value = \"\";\n            searchInput.focus();\n            toggleSearchResultsView(modal, mappedModules, searchInput.value);\n        }\n    };\n\n    // We essentially have two types of footer.\n    // A fake one that is handled within the template for chooser_help and then all of the stuff for\n    // modal.footer. We need to ensure we know exactly what type of footer we are using so we know what we\n    // need to manage. The below code handles a real footer going to a mnet carousel item.\n    const footerClickListener = async(e) => {\n        if (footerData.footer === true) {\n            const footerjs = await getPlugin(footerData.customfooterjs);\n            await footerjs.footerClickListener(e, footerData, modal);\n        }\n    };\n\n    modal.getBodyPromise()\n\n    // The return value of getBodyPromise is a jquery object containing the body NodeElement.\n    .then(body => body[0])\n\n    // Set up the carousel.\n    .then(body => {\n        $(body.querySelector(selectors.regions.carousel))\n            .carousel({\n                interval: false,\n                pause: true,\n                keyboard: false\n            });\n\n        return body;\n    })\n\n    // Add the listener for clicks on the body.\n    .then(body => {\n        body.addEventListener('click', bodyClickListener);\n        return body;\n    })\n\n    // Add a listener for an input change in the activity chooser's search bar.\n    .then(body => {\n        const searchInput = body.querySelector(selectors.actions.search);\n        // The search input is triggered.\n        searchInput.addEventListener('input', debounce(() => {\n            // Display the search results.\n            toggleSearchResultsView(modal, mappedModules, searchInput.value);\n        }, 300));\n        return body;\n    })\n\n    // Register event listeners related to the keyboard navigation controls.\n    .then(body => {\n        // Get the active chooser options section.\n        const activeSectionId = body.querySelector(selectors.elements.activetab).getAttribute(\"href\");\n        const sectionChooserOptions = body.querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n        const firstChooserOption = sectionChooserOptions.querySelector(selectors.regions.chooserOption.container);\n\n        toggleFocusableChooserOption(firstChooserOption, true);\n        initChooserOptionsKeyboardNavigation(body, mappedModules, sectionChooserOptions, modal);\n\n        return body;\n    })\n    .catch();\n\n    modal.getFooterPromise()\n\n    // The return value of getBodyPromise is a jquery object containing the body NodeElement.\n    .then(footer => footer[0])\n    // Add the listener for clicks on the footer.\n    .then(footer => {\n        footer.addEventListener('click', footerClickListener);\n        return footer;\n    })\n    .catch();\n};\n\n/**\n * Initialise the keyboard navigation controls for the chooser options.\n *\n * @method initChooserOptionsKeyboardNavigation\n * @param {HTMLElement} body Our modal that we are working with\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {HTMLElement} chooserOptionsContainer The section that contains the chooser items\n * @param {Object} modal Our created modal for the section\n */\nconst initChooserOptionsKeyboardNavigation = (body, mappedModules, chooserOptionsContainer, modal = null) => {\n    const chooserOptions = chooserOptionsContainer.querySelectorAll(selectors.regions.chooserOption.container);\n\n    Array.from(chooserOptions).forEach((element) => {\n        return element.addEventListener('keydown', (e) => {\n\n            // Check for enter/ space triggers for showing the help.\n            if (e.keyCode === enter || e.keyCode === space) {\n                if (e.target.matches(selectors.actions.optionActions.showSummary)) {\n                    e.preventDefault();\n                    const module = e.target.closest(selectors.regions.chooserOption.container);\n                    const moduleName = module.dataset.modname;\n                    const moduleData = mappedModules.get(moduleName);\n                    const carousel = $(body.querySelector(selectors.regions.carousel));\n                    carousel.carousel({\n                        interval: false,\n                        pause: true,\n                        keyboard: false\n                    });\n\n                    // We need to know if the overall modal has a footer so we know when to show a real / vs fake footer.\n                    moduleData.showFooter = modal.hasFooterContent();\n                    showModuleHelp(carousel, moduleData, modal);\n                }\n            }\n\n            // Next.\n            if (e.keyCode === arrowRight) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const nextOption = currentOption.nextElementSibling;\n                const firstOption = chooserOptionsContainer.firstElementChild;\n                const toFocusOption = clickErrorHandler(nextOption, firstOption);\n                focusChooserOption(toFocusOption, currentOption);\n            }\n\n            // Previous.\n            if (e.keyCode === arrowLeft) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const previousOption = currentOption.previousElementSibling;\n                const lastOption = chooserOptionsContainer.lastElementChild;\n                const toFocusOption = clickErrorHandler(previousOption, lastOption);\n                focusChooserOption(toFocusOption, currentOption);\n            }\n\n            if (e.keyCode === home) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const firstOption = chooserOptionsContainer.firstElementChild;\n                focusChooserOption(firstOption, currentOption);\n            }\n\n            if (e.keyCode === end) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const lastOption = chooserOptionsContainer.lastElementChild;\n                focusChooserOption(lastOption, currentOption);\n            }\n        });\n    });\n};\n\n/**\n * Focus on a chooser option element and remove the previous chooser element from the focus order\n *\n * @method focusChooserOption\n * @param {HTMLElement} currentChooserOption The current chooser option element that we want to focus\n * @param {HTMLElement|null} previousChooserOption The previous focused option element\n */\nconst focusChooserOption = (currentChooserOption, previousChooserOption = null) => {\n    if (previousChooserOption !== null) {\n        toggleFocusableChooserOption(previousChooserOption, false);\n    }\n\n    toggleFocusableChooserOption(currentChooserOption, true);\n    currentChooserOption.focus();\n};\n\n/**\n * Add or remove a chooser option from the focus order.\n *\n * @method toggleFocusableChooserOption\n * @param {HTMLElement} chooserOption The chooser option element which should be added or removed from the focus order\n * @param {Boolean} isFocusable Whether the chooser element is focusable or not\n */\nconst toggleFocusableChooserOption = (chooserOption, isFocusable) => {\n    const chooserOptionLink = chooserOption.querySelector(selectors.actions.addChooser);\n    const chooserOptionHelp = chooserOption.querySelector(selectors.actions.optionActions.showSummary);\n    const chooserOptionFavourite = chooserOption.querySelector(selectors.actions.optionActions.manageFavourite);\n\n    if (isFocusable) {\n        // Set tabindex to 0 to add current chooser option element to the focus order.\n        chooserOption.tabIndex = 0;\n        chooserOptionLink.tabIndex = 0;\n        chooserOptionHelp.tabIndex = 0;\n        chooserOptionFavourite.tabIndex = 0;\n    } else {\n        // Set tabindex to -1 to remove the previous chooser option element from the focus order.\n        chooserOption.tabIndex = -1;\n        chooserOptionLink.tabIndex = -1;\n        chooserOptionHelp.tabIndex = -1;\n        chooserOptionFavourite.tabIndex = -1;\n    }\n};\n\n/**\n * Small error handling function to make sure the navigated to object exists\n *\n * @method clickErrorHandler\n * @param {HTMLElement} item What we want to check exists\n * @param {HTMLElement} fallback If we dont match anything fallback the focus\n * @return {HTMLElement}\n */\nconst clickErrorHandler = (item, fallback) => {\n    if (item !== null) {\n        return item;\n    } else {\n        return fallback;\n    }\n};\n\n/**\n * Render the search results in a defined container\n *\n * @method renderSearchResults\n * @param {HTMLElement} searchResultsContainer The container where the data should be rendered\n * @param {Object} searchResultsData Data containing the module items that satisfy the search criteria\n */\nconst renderSearchResults = async(searchResultsContainer, searchResultsData) => {\n    const templateData = {\n        'searchresultsnumber': searchResultsData.length,\n        'searchresults': searchResultsData\n    };\n    // Build up the html & js ready to place into the help section.\n    const {html, js} = await Templates.renderForPromise('core_course/local/activitychooser/search_results', templateData);\n    await Templates.replaceNodeContents(searchResultsContainer, html, js);\n};\n\n/**\n * Toggle (display/hide) the search results depending on the value of the search query\n *\n * @method toggleSearchResultsView\n * @param {Object} modal Our created modal for the section\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {String} searchQuery The search query\n */\nconst toggleSearchResultsView = async(modal, mappedModules, searchQuery) => {\n    const modalBody = modal.getBody()[0];\n    const searchResultsContainer = modalBody.querySelector(selectors.regions.searchResults);\n    const chooserContainer = modalBody.querySelector(selectors.regions.chooser);\n    const clearSearchButton = modalBody.querySelector(selectors.elements.clearsearch);\n    const searchIcon = modalBody.querySelector(selectors.elements.searchicon);\n\n    if (searchQuery.length > 0) { // Search query is present.\n        const searchResultsData = searchModules(mappedModules, searchQuery);\n        await renderSearchResults(searchResultsContainer, searchResultsData);\n        const searchResultItemsContainer = searchResultsContainer.querySelector(selectors.regions.searchResultItems);\n        const firstSearchResultItem = searchResultItemsContainer.querySelector(selectors.regions.chooserOption.container);\n        if (firstSearchResultItem) {\n            // Set the first result item to be focusable.\n            toggleFocusableChooserOption(firstSearchResultItem, true);\n            // Register keyboard events on the created search result items.\n            initChooserOptionsKeyboardNavigation(modalBody, mappedModules, searchResultItemsContainer, modal);\n        }\n        // Display the \"clear\" search button in the activity chooser search bar.\n        searchIcon.classList.add('d-none');\n        clearSearchButton.classList.remove('d-none');\n        // Hide the default chooser options container.\n        chooserContainer.setAttribute('hidden', 'hidden');\n        // Display the search results container.\n        searchResultsContainer.removeAttribute('hidden');\n    } else { // Search query is not present.\n        // Hide the \"clear\" search button in the activity chooser search bar.\n        clearSearchButton.classList.add('d-none');\n        searchIcon.classList.remove('d-none');\n        // Hide the search results container.\n        searchResultsContainer.setAttribute('hidden', 'hidden');\n        // Display the default chooser options container.\n        chooserContainer.removeAttribute('hidden');\n    }\n};\n\n/**\n * Return the list of modules which have a name or description that matches the given search term.\n *\n * @method searchModules\n * @param {Array} modules List of available modules\n * @param {String} searchTerm The search term to match\n * @return {Array}\n */\nconst searchModules = (modules, searchTerm) => {\n    if (searchTerm === '') {\n        return modules;\n    }\n    searchTerm = searchTerm.toLowerCase();\n    const searchResults = [];\n    modules.forEach((activity) => {\n        const activityName = activity.title.toLowerCase();\n        const activityDesc = activity.help.toLowerCase();\n        if (activityName.includes(searchTerm) || activityDesc.includes(searchTerm)) {\n            searchResults.push(activity);\n        }\n    });\n\n    return searchResults;\n};\n\n/**\n * Set up our tabindex information across the chooser.\n *\n * @method setupKeyboardAccessibility\n * @param {Promise} modal Our created modal for the section\n * @param {Map} mappedModules A map of all of the built module information\n */\nconst setupKeyboardAccessibility = (modal, mappedModules) => {\n    modal.getModal()[0].tabIndex = -1;\n\n    modal.getBodyPromise().then(body => {\n        $(selectors.elements.tab).on('shown.bs.tab', (e) => {\n            const activeSectionId = e.target.getAttribute(\"href\");\n            const activeSectionChooserOptions = body[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n            const firstChooserOption = activeSectionChooserOptions\n                .querySelector(selectors.regions.chooserOption.container);\n            const prevActiveSectionId = e.relatedTarget.getAttribute(\"href\");\n            const prevActiveSectionChooserOptions = body[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(prevActiveSectionId));\n\n            // Disable the focus of every chooser option in the previous active section.\n            disableFocusAllChooserOptions(prevActiveSectionChooserOptions);\n            // Enable the focus of the first chooser option in the current active section.\n            toggleFocusableChooserOption(firstChooserOption, true);\n            initChooserOptionsKeyboardNavigation(body[0], mappedModules, activeSectionChooserOptions, modal);\n        });\n        return;\n    }).catch(Notification.exception);\n};\n\n/**\n * Disable the focus of all chooser options in a specific container (section).\n *\n * @method disableFocusAllChooserOptions\n * @param {HTMLElement} sectionChooserOptions The section that contains the chooser items\n */\nconst disableFocusAllChooserOptions = (sectionChooserOptions) => {\n    const allChooserOptions = sectionChooserOptions.querySelectorAll(selectors.regions.chooserOption.container);\n    allChooserOptions.forEach((chooserOption) => {\n        toggleFocusableChooserOption(chooserOption, false);\n    });\n};\n\n/**\n * Display the module chooser.\n *\n * @method displayChooser\n * @param {Promise} modalPromise Our created modal for the section\n * @param {Array} sectionModules An array of all of the built module information\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n * @param {Object} footerData Our base footer object.\n */\nexport const displayChooser = (modalPromise, sectionModules, partialFavourite, footerData) => {\n    // Make a map so we can quickly fetch a specific module's object for either rendering or searching.\n    const mappedModules = new Map();\n    sectionModules.forEach((module) => {\n        mappedModules.set(module.componentname + '_' + module.link, module);\n    });\n\n    // Register event listeners.\n    modalPromise.then(modal => {\n        registerListenerEvents(modal, mappedModules, partialFavourite, footerData);\n\n        // We want to focus on the first chooser option element as soon as the modal is opened.\n        setupKeyboardAccessibility(modal, mappedModules);\n\n        // We want to focus on the action select when the dialog is closed.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            modal.destroy();\n        });\n\n        return modal;\n    }).catch();\n};\n"],"file":"dialogue.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A type of dialogue used as for choosing options.\n *\n * @module     core_course/local/chooser/dialogue\n * @package    core\n * @copyright  2019 Mihail Geshoski <mihail@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport * as ModalEvents from 'core/modal_events';\nimport selectors from 'core_course/local/activitychooser/selectors';\nimport * as Templates from 'core/templates';\nimport {end, arrowLeft, arrowRight, home, enter, space} from 'core/key_codes';\nimport {addIconToContainer} from 'core/loadingicon';\nimport * as Repository from 'core_course/local/activitychooser/repository';\nimport Notification from 'core/notification';\nimport {debounce} from 'core/utils';\nconst getPlugin = pluginName => import(pluginName);\n\n/**\n * Given an event from the main module 'page' navigate to it's help section via a carousel.\n *\n * @method showModuleHelp\n * @param {jQuery} carousel Our initialized carousel to manipulate\n * @param {Object} moduleData Data of the module to carousel to\n * @param {jQuery} modal We need to figure out if the current modal has a footer.\n */\nconst showModuleHelp = (carousel, moduleData, modal = null) => {\n    // If we have a real footer then we need to change temporarily.\n    if (modal !== null && moduleData.showFooter === true) {\n        modal.setFooter(Templates.render('core_course/local/activitychooser/footer_partial', moduleData));\n    }\n    const help = carousel.find(selectors.regions.help)[0];\n    help.innerHTML = '';\n    help.classList.add('m-auto');\n\n    // Add a spinner.\n    const spinnerPromise = addIconToContainer(help);\n\n    // Used later...\n    let transitionPromiseResolver = null;\n    const transitionPromise = new Promise(resolve => {\n        transitionPromiseResolver = resolve;\n    });\n\n    // Build up the html & js ready to place into the help section.\n    const contentPromise = Templates.renderForPromise('core_course/local/activitychooser/help', moduleData);\n\n    // Wait for the content to be ready, and for the transition to be complet.\n    Promise.all([contentPromise, spinnerPromise, transitionPromise])\n        .then(([{html, js}]) => Templates.replaceNodeContents(help, html, js))\n        .then(() => {\n            help.querySelector(selectors.regions.chooserSummary.header).focus();\n            return help;\n        })\n        .catch(Notification.exception);\n\n    // Move to the next slide, and resolve the transition promise when it's done.\n    carousel.one('slid.bs.carousel', () => {\n        transitionPromiseResolver();\n    });\n    // Trigger the transition between 'pages'.\n    carousel.carousel('next');\n};\n\n/**\n * Given a user wants to change the favourite state of a module we either add or remove the status.\n * We also propergate this change across our map of modals.\n *\n * @method manageFavouriteState\n * @param {HTMLElement} modalBody The DOM node of the modal to manipulate\n * @param {HTMLElement} caller\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n */\nconst manageFavouriteState = async(modalBody, caller, partialFavourite) => {\n    const isFavourite = caller.dataset.favourited;\n    const id = caller.dataset.id;\n    const name = caller.dataset.name;\n    const internal = caller.dataset.internal;\n    // Switch on fave or not.\n    if (isFavourite === 'true') {\n        await Repository.unfavouriteModule(name, id);\n\n        partialFavourite(internal, false, modalBody);\n    } else {\n        await Repository.favouriteModule(name, id);\n\n        partialFavourite(internal, true, modalBody);\n    }\n\n};\n\n/**\n * Register chooser related event listeners.\n *\n * @method registerListenerEvents\n * @param {Promise} modal Our modal that we are working with\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n * @param {Object} footerData Our base footer object.\n */\nconst registerListenerEvents = (modal, mappedModules, partialFavourite, footerData) => {\n    const bodyClickListener = async(e) => {\n        if (e.target.closest(selectors.actions.optionActions.showSummary)) {\n            const carousel = $(modal.getBody()[0].querySelector(selectors.regions.carousel));\n\n            const module = e.target.closest(selectors.regions.chooserOption.container);\n            const moduleName = module.dataset.modname;\n            const moduleData = mappedModules.get(moduleName);\n            // We need to know if the overall modal has a footer so we know when to show a real / vs fake footer.\n            moduleData.showFooter = modal.hasFooterContent();\n            showModuleHelp(carousel, moduleData, modal);\n        }\n\n        if (e.target.closest(selectors.actions.optionActions.manageFavourite)) {\n            const caller = e.target.closest(selectors.actions.optionActions.manageFavourite);\n            await manageFavouriteState(modal.getBody()[0], caller, partialFavourite);\n            const activeSectionId = modal.getBody()[0].querySelector(selectors.elements.activetab).getAttribute(\"href\");\n            const sectionChooserOptions = modal.getBody()[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n            const firstChooserOption = sectionChooserOptions\n                .querySelector(selectors.regions.chooserOption.container);\n            toggleFocusableChooserOption(firstChooserOption, true);\n            initChooserOptionsKeyboardNavigation(modal.getBody()[0], mappedModules, sectionChooserOptions, modal);\n        }\n\n        // From the help screen go back to the module overview.\n        if (e.target.matches(selectors.actions.closeOption)) {\n            const carousel = $(modal.getBody()[0].querySelector(selectors.regions.carousel));\n\n            // Trigger the transition between 'pages'.\n            carousel.carousel('prev');\n            carousel.on('slid.bs.carousel', () => {\n                const allModules = modal.getBody()[0].querySelector(selectors.regions.modules);\n                const caller = allModules.querySelector(selectors.regions.getModuleSelector(e.target.dataset.modname));\n                caller.focus();\n            });\n        }\n\n        // The \"clear search\" button is triggered.\n        if (e.target.closest(selectors.actions.clearSearch)) {\n            // Clear the entered search query in the search bar and hide the search results container.\n            const searchInput = modal.getBody()[0].querySelector(selectors.actions.search);\n            searchInput.value = \"\";\n            searchInput.focus();\n            toggleSearchResultsView(modal, mappedModules, searchInput.value);\n        }\n    };\n\n    // We essentially have two types of footer.\n    // A fake one that is handled within the template for chooser_help and then all of the stuff for\n    // modal.footer. We need to ensure we know exactly what type of footer we are using so we know what we\n    // need to manage. The below code handles a real footer going to a mnet carousel item.\n    const footerClickListener = async(e) => {\n        if (footerData.footer === true) {\n            const footerjs = await getPlugin(footerData.customfooterjs);\n            await footerjs.footerClickListener(e, footerData, modal);\n        }\n    };\n\n    modal.getBodyPromise()\n\n    // The return value of getBodyPromise is a jquery object containing the body NodeElement.\n    .then(body => body[0])\n\n    // Set up the carousel.\n    .then(body => {\n        $(body.querySelector(selectors.regions.carousel))\n            .carousel({\n                interval: false,\n                pause: true,\n                keyboard: false\n            });\n\n        return body;\n    })\n\n    // Add the listener for clicks on the body.\n    .then(body => {\n        body.addEventListener('click', bodyClickListener);\n        return body;\n    })\n\n    // Add a listener for an input change in the activity chooser's search bar.\n    .then(body => {\n        const searchInput = body.querySelector(selectors.actions.search);\n        // The search input is triggered.\n        searchInput.addEventListener('input', debounce(() => {\n            // Display the search results.\n            toggleSearchResultsView(modal, mappedModules, searchInput.value);\n        }, 300));\n        return body;\n    })\n\n    // Register event listeners related to the keyboard navigation controls.\n    .then(body => {\n        // Get the active chooser options section.\n        const activeSectionId = body.querySelector(selectors.elements.activetab).getAttribute(\"href\");\n        const sectionChooserOptions = body.querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n        const firstChooserOption = sectionChooserOptions.querySelector(selectors.regions.chooserOption.container);\n\n        toggleFocusableChooserOption(firstChooserOption, true);\n        initChooserOptionsKeyboardNavigation(body, mappedModules, sectionChooserOptions, modal);\n\n        return body;\n    })\n    .catch();\n\n    modal.getFooterPromise()\n\n    // The return value of getBodyPromise is a jquery object containing the body NodeElement.\n    .then(footer => footer[0])\n    // Add the listener for clicks on the footer.\n    .then(footer => {\n        footer.addEventListener('click', footerClickListener);\n        return footer;\n    })\n    .catch();\n};\n\n/**\n * Initialise the keyboard navigation controls for the chooser options.\n *\n * @method initChooserOptionsKeyboardNavigation\n * @param {HTMLElement} body Our modal that we are working with\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {HTMLElement} chooserOptionsContainer The section that contains the chooser items\n * @param {Object} modal Our created modal for the section\n */\nconst initChooserOptionsKeyboardNavigation = (body, mappedModules, chooserOptionsContainer, modal = null) => {\n    const chooserOptions = chooserOptionsContainer.querySelectorAll(selectors.regions.chooserOption.container);\n\n    Array.from(chooserOptions).forEach((element) => {\n        return element.addEventListener('keydown', (e) => {\n\n            // Check for enter/ space triggers for showing the help.\n            if (e.keyCode === enter || e.keyCode === space) {\n                if (e.target.matches(selectors.actions.optionActions.showSummary)) {\n                    e.preventDefault();\n                    const module = e.target.closest(selectors.regions.chooserOption.container);\n                    const moduleName = module.dataset.modname;\n                    const moduleData = mappedModules.get(moduleName);\n                    const carousel = $(body.querySelector(selectors.regions.carousel));\n                    carousel.carousel({\n                        interval: false,\n                        pause: true,\n                        keyboard: false\n                    });\n\n                    // We need to know if the overall modal has a footer so we know when to show a real / vs fake footer.\n                    moduleData.showFooter = modal.hasFooterContent();\n                    showModuleHelp(carousel, moduleData, modal);\n                }\n            }\n\n            // Next.\n            if (e.keyCode === arrowRight) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const nextOption = currentOption.nextElementSibling;\n                const firstOption = chooserOptionsContainer.firstElementChild;\n                const toFocusOption = clickErrorHandler(nextOption, firstOption);\n                focusChooserOption(toFocusOption, currentOption);\n            }\n\n            // Previous.\n            if (e.keyCode === arrowLeft) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const previousOption = currentOption.previousElementSibling;\n                const lastOption = chooserOptionsContainer.lastElementChild;\n                const toFocusOption = clickErrorHandler(previousOption, lastOption);\n                focusChooserOption(toFocusOption, currentOption);\n            }\n\n            if (e.keyCode === home) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const firstOption = chooserOptionsContainer.firstElementChild;\n                focusChooserOption(firstOption, currentOption);\n            }\n\n            if (e.keyCode === end) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const lastOption = chooserOptionsContainer.lastElementChild;\n                focusChooserOption(lastOption, currentOption);\n            }\n        });\n    });\n};\n\n/**\n * Focus on a chooser option element and remove the previous chooser element from the focus order\n *\n * @method focusChooserOption\n * @param {HTMLElement} currentChooserOption The current chooser option element that we want to focus\n * @param {HTMLElement|null} previousChooserOption The previous focused option element\n */\nconst focusChooserOption = (currentChooserOption, previousChooserOption = null) => {\n    if (previousChooserOption !== null) {\n        toggleFocusableChooserOption(previousChooserOption, false);\n    }\n\n    toggleFocusableChooserOption(currentChooserOption, true);\n    currentChooserOption.focus();\n};\n\n/**\n * Add or remove a chooser option from the focus order.\n *\n * @method toggleFocusableChooserOption\n * @param {HTMLElement} chooserOption The chooser option element which should be added or removed from the focus order\n * @param {Boolean} isFocusable Whether the chooser element is focusable or not\n */\nconst toggleFocusableChooserOption = (chooserOption, isFocusable) => {\n    const chooserOptionLink = chooserOption.querySelector(selectors.actions.addChooser);\n    const chooserOptionHelp = chooserOption.querySelector(selectors.actions.optionActions.showSummary);\n    const chooserOptionFavourite = chooserOption.querySelector(selectors.actions.optionActions.manageFavourite);\n\n    if (isFocusable) {\n        // Set tabindex to 0 to add current chooser option element to the focus order.\n        chooserOption.tabIndex = 0;\n        chooserOptionLink.tabIndex = 0;\n        chooserOptionHelp.tabIndex = 0;\n        chooserOptionFavourite.tabIndex = 0;\n    } else {\n        // Set tabindex to -1 to remove the previous chooser option element from the focus order.\n        chooserOption.tabIndex = -1;\n        chooserOptionLink.tabIndex = -1;\n        chooserOptionHelp.tabIndex = -1;\n        chooserOptionFavourite.tabIndex = -1;\n    }\n};\n\n/**\n * Small error handling function to make sure the navigated to object exists\n *\n * @method clickErrorHandler\n * @param {HTMLElement} item What we want to check exists\n * @param {HTMLElement} fallback If we dont match anything fallback the focus\n * @return {HTMLElement}\n */\nconst clickErrorHandler = (item, fallback) => {\n    if (item !== null) {\n        return item;\n    } else {\n        return fallback;\n    }\n};\n\n/**\n * Render the search results in a defined container\n *\n * @method renderSearchResults\n * @param {HTMLElement} searchResultsContainer The container where the data should be rendered\n * @param {Object} searchResultsData Data containing the module items that satisfy the search criteria\n */\nconst renderSearchResults = async(searchResultsContainer, searchResultsData) => {\n    const templateData = {\n        'searchresultsnumber': searchResultsData.length,\n        'searchresults': searchResultsData\n    };\n    // Build up the html & js ready to place into the help section.\n    const {html, js} = await Templates.renderForPromise('core_course/local/activitychooser/search_results', templateData);\n    await Templates.replaceNodeContents(searchResultsContainer, html, js);\n};\n\n/**\n * Toggle (display/hide) the search results depending on the value of the search query\n *\n * @method toggleSearchResultsView\n * @param {Object} modal Our created modal for the section\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {String} searchQuery The search query\n */\nconst toggleSearchResultsView = async(modal, mappedModules, searchQuery) => {\n    const modalBody = modal.getBody()[0];\n    const searchResultsContainer = modalBody.querySelector(selectors.regions.searchResults);\n    const chooserContainer = modalBody.querySelector(selectors.regions.chooser);\n    const clearSearchButton = modalBody.querySelector(selectors.elements.clearsearch);\n    const searchIcon = modalBody.querySelector(selectors.elements.searchicon);\n\n    if (searchQuery.length > 0) { // Search query is present.\n        const searchResultsData = searchModules(mappedModules, searchQuery);\n        await renderSearchResults(searchResultsContainer, searchResultsData);\n        const searchResultItemsContainer = searchResultsContainer.querySelector(selectors.regions.searchResultItems);\n        const firstSearchResultItem = searchResultItemsContainer.querySelector(selectors.regions.chooserOption.container);\n        if (firstSearchResultItem) {\n            // Set the first result item to be focusable.\n            toggleFocusableChooserOption(firstSearchResultItem, true);\n            // Register keyboard events on the created search result items.\n            initChooserOptionsKeyboardNavigation(modalBody, mappedModules, searchResultItemsContainer, modal);\n        }\n        // Display the \"clear\" search button in the activity chooser search bar.\n        searchIcon.classList.add('d-none');\n        clearSearchButton.classList.remove('d-none');\n        // Hide the default chooser options container.\n        chooserContainer.setAttribute('hidden', 'hidden');\n        // Display the search results container.\n        searchResultsContainer.removeAttribute('hidden');\n    } else { // Search query is not present.\n        // Hide the \"clear\" search button in the activity chooser search bar.\n        clearSearchButton.classList.add('d-none');\n        searchIcon.classList.remove('d-none');\n        // Hide the search results container.\n        searchResultsContainer.setAttribute('hidden', 'hidden');\n        // Display the default chooser options container.\n        chooserContainer.removeAttribute('hidden');\n    }\n};\n\n/**\n * Return the list of modules which have a name or description that matches the given search term.\n *\n * @method searchModules\n * @param {Array} modules List of available modules\n * @param {String} searchTerm The search term to match\n * @return {Array}\n */\nconst searchModules = (modules, searchTerm) => {\n    if (searchTerm === '') {\n        return modules;\n    }\n    searchTerm = searchTerm.toLowerCase();\n    const searchResults = [];\n    modules.forEach((activity) => {\n        const activityName = activity.title.toLowerCase();\n        const activityDesc = activity.help.toLowerCase();\n        if (activityName.includes(searchTerm) || activityDesc.includes(searchTerm)) {\n            searchResults.push(activity);\n        }\n    });\n\n    return searchResults;\n};\n\n/**\n * Set up our tabindex information across the chooser.\n *\n * @method setupKeyboardAccessibility\n * @param {Promise} modal Our created modal for the section\n * @param {Map} mappedModules A map of all of the built module information\n */\nconst setupKeyboardAccessibility = (modal, mappedModules) => {\n    modal.getModal()[0].tabIndex = -1;\n\n    modal.getBodyPromise().then(body => {\n        $(selectors.elements.tab).on('shown.bs.tab', (e) => {\n            const activeSectionId = e.target.getAttribute(\"href\");\n            const activeSectionChooserOptions = body[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n            const firstChooserOption = activeSectionChooserOptions\n                .querySelector(selectors.regions.chooserOption.container);\n            const prevActiveSectionId = e.relatedTarget.getAttribute(\"href\");\n            const prevActiveSectionChooserOptions = body[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(prevActiveSectionId));\n\n            // Disable the focus of every chooser option in the previous active section.\n            disableFocusAllChooserOptions(prevActiveSectionChooserOptions);\n            // Enable the focus of the first chooser option in the current active section.\n            toggleFocusableChooserOption(firstChooserOption, true);\n            initChooserOptionsKeyboardNavigation(body[0], mappedModules, activeSectionChooserOptions, modal);\n        });\n        return;\n    }).catch(Notification.exception);\n};\n\n/**\n * Disable the focus of all chooser options in a specific container (section).\n *\n * @method disableFocusAllChooserOptions\n * @param {HTMLElement} sectionChooserOptions The section that contains the chooser items\n */\nconst disableFocusAllChooserOptions = (sectionChooserOptions) => {\n    const allChooserOptions = sectionChooserOptions.querySelectorAll(selectors.regions.chooserOption.container);\n    allChooserOptions.forEach((chooserOption) => {\n        toggleFocusableChooserOption(chooserOption, false);\n    });\n};\n\n/**\n * Display the module chooser.\n *\n * @method displayChooser\n * @param {Promise} modalPromise Our created modal for the section\n * @param {Array} sectionModules An array of all of the built module information\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n * @param {Object} footerData Our base footer object.\n */\nexport const displayChooser = (modalPromise, sectionModules, partialFavourite, footerData) => {\n    // Make a map so we can quickly fetch a specific module's object for either rendering or searching.\n    const mappedModules = new Map();\n    sectionModules.forEach((module) => {\n        mappedModules.set(module.componentname + '_' + module.link, module);\n    });\n\n    // Register event listeners.\n    modalPromise.then(modal => {\n        registerListenerEvents(modal, mappedModules, partialFavourite, footerData);\n\n        // We want to focus on the first chooser option element as soon as the modal is opened.\n        setupKeyboardAccessibility(modal, mappedModules);\n\n        // We want to focus on the action select when the dialog is closed.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            modal.destroy();\n        });\n\n        return modal;\n    }).catch();\n};\n"],"file":"dialogue.min.js"}
\ No newline at end of file
diff --git a/course/amd/build/local/activitychooser/repository.min.js b/course/amd/build/local/activitychooser/repository.min.js
index 44e5ee1f5b9..20afce49721 100644
--- a/course/amd/build/local/activitychooser/repository.min.js
+++ b/course/amd/build/local/activitychooser/repository.min.js
@@ -1,2 +1,2 @@
-define ("core_course/local/activitychooser/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.fetchFooterData=a.unfavouriteModule=a.favouriteModule=a.activityModules=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(a){return b.default.call([{methodname:"core_course_get_course_content_items",args:{courseid:a}}])[0]};a.activityModules=c;var d=function(a,c){return b.default.call([{methodname:"core_course_add_content_item_to_user_favourites",args:{componentname:a,contentitemid:c}}])[0]};a.favouriteModule=d;var e=function(a,c){return b.default.call([{methodname:"core_course_remove_content_item_from_user_favourites",args:{componentname:a,contentitemid:c}}])[0]};a.unfavouriteModule=e;var f=function(a,c){return b.default.call([{methodname:"core_course_get_activity_chooser_footer",args:{courseid:a,sectionid:c}}])[0]};a.fetchFooterData=f});
+define ("core_course/local/activitychooser/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.unfavouriteModule=a.fetchFooterData=a.favouriteModule=a.activityModules=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(a){return b.default.call([{methodname:"core_course_get_course_content_items",args:{courseid:a}}])[0]};a.activityModules=c;var d=function(a,c){return b.default.call([{methodname:"core_course_add_content_item_to_user_favourites",args:{componentname:a,contentitemid:c}}])[0]};a.favouriteModule=d;var e=function(a,c){return b.default.call([{methodname:"core_course_remove_content_item_from_user_favourites",args:{componentname:a,contentitemid:c}}])[0]};a.unfavouriteModule=e;var f=function(a,c){return b.default.call([{methodname:"core_course_get_activity_chooser_footer",args:{courseid:a,sectionid:c}}])[0]};a.fetchFooterData=f});
 //# sourceMappingURL=repository.min.js.map
diff --git a/course/yui/build/moodle-course-categoryexpander/moodle-course-categoryexpander-min.js b/course/yui/build/moodle-course-categoryexpander/moodle-course-categoryexpander-min.js
index d179445dcd9..b065a3cff2b 100644
--- a/course/yui/build/moodle-course-categoryexpander/moodle-course-categoryexpander-min.js
+++ b/course/yui/build/moodle-course-categoryexpander/moodle-course-categoryexpander-min.js
@@ -1 +1 @@
-YUI.add("moodle-course-categoryexpander",function(i,e){var a="collapse-all",t="disabled",l="loaded",r="notloaded",s="collapsed",c="with_children",o=".with_children",d=".with_children.loaded",p=".content",n=".category .info .categoryname",g=".categoryname",_=".category.with_children.collapsed",u=".category.with_children.loaded.collapsed",h=".category.with_children.loaded:not(.collapsed)",x=".collapseexpand",f=".coursebox",y=".coursebox .moreinfo",m=".coursename a",v=".course_category_tree",b=".category",C=i.namespace("Moodle.course.categoryexpander"),w=M.cfg.wwwroot+"/course/category.ajax.php";C.init=function(){var e=i.one(i.config.doc);e.delegate("click",this.toggle_category_expansion,n,this),e.delegate("click",this.toggle_coursebox_expansion,y,this),e.delegate("click",this.collapse_expand_all,x,this),e.once("key",this.setup_keyboard_listeners,"tab",this)},C.setup_keyboard_listeners=function(){i.one(i.config.doc).all(n,y,x).setAttribute("tabindex","0"),i.one(i.config.doc).delegate("key",this.toggle_category_expansion,"enter",n,this),i.one(i.config.doc).delegate("key",this.toggle_coursebox_expansion,"enter",y,this),i.one(i.config.doc).delegate("key",this.collapse_expand_all,"enter",x,this)},C.expand_category=function(e){i.use("io-base","json-parse","moodle-core-notification","anim-node-plugin",function(){C.expand_category=C._expand_category,C.expand_category(e)})},C._expand_category=function(e){var n,o;e.hasClass(c)&&(e.hasClass(l)?this.run_expansion(e):(n=e.getData("categoryid"),o=e.getData("depth"),void 0!==n&&void 0!==o&&this._toggle_generic_expansion({parentnode:e,childnode:e.one(p),spinnerhandle:g,data:{categoryid:n,depth:o,showcourses:e.getData("showcourses"),type:0}})))},C.toggle_category_expansion=function(e){i.use("io-base","json-parse","moodle-core-notification","anim-node-plugin",function(){C.toggle_category_expansion=C._toggle_category_expansion,C.toggle_category_expansion(e)})},C.toggle_coursebox_expansion=function(e){i.use("io-base","json-parse","moodle-core-notification","anim-node-plugin",function(){C.toggle_coursebox_expansion=C._toggle_coursebox_expansion,C.toggle_coursebox_expansion(e)}),e.preventDefault()},C._toggle_coursebox_expansion=function(e){var n;n=e.target.ancestor(f,!0),e.preventDefault(),n.hasClass(l)?this.run_expansion(n):this._toggle_generic_expansion({parentnode:n,childnode:n.one(p),spinnerhandle:m,data:{courseid:n.getData("courseid"),type:1}})},C._toggle_category_expansion=function(e){var n,o,a;e.target.test("a")||e.target.test("img")||(n=e.target.ancestor(b,!0)).hasClass(c)&&(n.hasClass(l)?this.run_expansion(n):(o=n.getData("categoryid"),a=n.getData("depth"),void 0!==o&&void 0!==a&&this._toggle_generic_expansion({parentnode:n,childnode:n.one(p),spinnerhandle:g,data:{categoryid:o,depth:a,showcourses:n.getData("showcourses"),type:0}})))},C._toggle_generic_expansion=function(e){var n;e.spinnerhandle&&(n=M.util.add_spinner(i,e.parentnode.one(e.spinnerhandle)).show()),i.io(w,{method:"POST",context:this,on:{complete:this.process_results},data:e.data,arguments:{parentnode:e.parentnode,childnode:e.childnode,spinner:n}})},C.run_expansion=function(e){var n=e.one(p),o=this,a=e.ancestor(v);this.add_animation(n),e.hasClass(s)?(n.setStyle("height","0"),e.removeClass(s),e.setAttribute("aria-expanded","true"),n.fx.set("reverse",!1)):(n.fx.set("reverse",!0),n.fx.once("end",function(e,n){n.addClass(s),n.setAttribute("aria-expanded","false")},this,e)),n.fx.once("end",function(e,n){n.setStyles({height:"",opacity:""}),this.destroy(),o.update_collapsible_actions(a)},n.fx,n),n.fx.run()},C.collapse_expand_all=function(e){i.use("io-base","json-parse","moodle-core-notification","anim-node-plugin",function(){C.collapse_expand_all=C._collapse_expand_all,C.collapse_expand_all(e)}),e.preventDefault()},C._collapse_expand_all=function(e){var n;e.preventDefault(),e.currentTarget.hasClass(t)||(n=e.currentTarget.ancestor(v))&&(n.one(x).hasClass(a)?this.collapse_all(n):this.expand_all(n),this.update_collapsible_actions(n))},C.expand_all=function(e){var n=[];e.all(_).each(function(e){e.ancestor(_)?(e.removeClass(s),e.all(o).removeClass(s)):n.push(e)},this),i.all(n).each(function(e){this.expand_category(e)},this)},C.collapse_all=function(e){var n=[];e.all(h).each(function(e){e.ancestor(h)?n.push(e):this.run_expansion(e)},this),i.all(n).each(function(e){e.addClass(s),e.all(d).addClass(s)},this)},C.update_collapsible_actions=function(e){var n=!1,o=e.one(x);o&&(e.all(h).each(function(e){return!e.ancestor(u)&&(n=!0)}),n?o.setHTML(M.util.get_string("collapseall","moodle")).addClass(a).removeClass(t):o.setHTML(M.util.get_string("expandall","moodle")).removeClass(a).removeClass(t))},C.process_results=function(e,n,o){var a,t;try{if((t=i.JSON.parse(n.responseText)).error)return new M.core.ajaxException(t)}catch(s){return new M.core.exception(s)}a=i.Node.create(t),o.childnode.appendChild(a),o.parentnode.addClass(l).removeClass(r),this.run_expansion(o.parentnode),o.spinner&&o.spinner.hide().destroy()},C.add_animation=function(e){return"undefined"!=typeof e.fx||e.plug(i.Plugin.NodeFX,{from:{height:0,opacity:0},to:{height:function(e){return e.get("scrollHeight")},opacity:1},duration:.2}),e}},"@VERSION@",{requires:["node","event-key"]});
\ No newline at end of file
+YUI.add("moodle-course-categoryexpander",function(s,e){var a="collapse-all",p="disabled",i="loaded",g="notloaded",t="collapsed",_="with_children",u=".with_children",h=".with_children.loaded",l=".content",n=".category .info .categoryname",x=".categoryname",f=".category.with_children.collapsed",y=".category.with_children.loaded.collapsed",r=".category.with_children.loaded:not(.collapsed)",c=".collapseexpand",m=".coursebox",o=".coursebox .moreinfo",v=".coursename a",b=".course_category_tree",C=".category",d=s.namespace("Moodle.course.categoryexpander"),w=M.cfg.wwwroot+"/course/category.ajax.php";d.init=function(){var e=s.one(s.config.doc);e.delegate("click",this.toggle_category_expansion,n,this),e.delegate("click",this.toggle_coursebox_expansion,o,this),e.delegate("click",this.collapse_expand_all,c,this),e.once("key",this.setup_keyboard_listeners,"tab",this)},d.setup_keyboard_listeners=function(){s.one(s.config.doc).all(n,o,c).setAttribute("tabindex","0"),s.one(s.config.doc).delegate("key",this.toggle_category_expansion,"enter",n,this),s.one(s.config.doc).delegate("key",this.toggle_coursebox_expansion,"enter",o,this),s.one(s.config.doc).delegate("key",this.collapse_expand_all,"enter",c,this)},d.expand_category=function(e){s.use("io-base","json-parse","moodle-core-notification","anim-node-plugin",function(){d.expand_category=d._expand_category,d.expand_category(e)})},d._expand_category=function(e){var n,o;e.hasClass(_)&&(e.hasClass(i)?this.run_expansion(e):(n=e.getData("categoryid"),o=e.getData("depth"),void 0!==n&&void 0!==o&&this._toggle_generic_expansion({parentnode:e,childnode:e.one(l),spinnerhandle:x,data:{categoryid:n,depth:o,showcourses:e.getData("showcourses"),type:0}})))},d.toggle_category_expansion=function(e){s.use("io-base","json-parse","moodle-core-notification","anim-node-plugin",function(){d.toggle_category_expansion=d._toggle_category_expansion,d.toggle_category_expansion(e)})},d.toggle_coursebox_expansion=function(e){s.use("io-base","json-parse","moodle-core-notification","anim-node-plugin",function(){d.toggle_coursebox_expansion=d._toggle_coursebox_expansion,d.toggle_coursebox_expansion(e)}),e.preventDefault()},d._toggle_coursebox_expansion=function(e){var n=e.target.ancestor(m,!0);e.preventDefault(),n.hasClass(i)?this.run_expansion(n):this._toggle_generic_expansion({parentnode:n,childnode:n.one(l),spinnerhandle:v,data:{courseid:n.getData("courseid"),type:1}})},d._toggle_category_expansion=function(e){var n,o;e.target.test("a")||e.target.test("img")||(e=e.target.ancestor(C,!0)).hasClass(_)&&(e.hasClass(i)?this.run_expansion(e):(n=e.getData("categoryid"),o=e.getData("depth"),void 0!==n&&void 0!==o&&this._toggle_generic_expansion({parentnode:e,childnode:e.one(l),spinnerhandle:x,data:{categoryid:n,depth:o,showcourses:e.getData("showcourses"),type:0}})))},d._toggle_generic_expansion=function(e){var n;e.spinnerhandle&&(n=M.util.add_spinner(s,e.parentnode.one(e.spinnerhandle)).show()),s.io(w,{method:"POST",context:this,on:{complete:this.process_results},data:e.data,arguments:{parentnode:e.parentnode,childnode:e.childnode,spinner:n}})},d.run_expansion=function(e){var n=e.one(l),o=this,a=e.ancestor(b);this.add_animation(n),e.hasClass(t)?(n.setStyle("height","0"),e.removeClass(t),e.setAttribute("aria-expanded","true"),n.fx.set("reverse",!1)):(n.fx.set("reverse",!0),n.fx.once("end",function(e,n){n.addClass(t),n.setAttribute("aria-expanded","false")},this,e)),n.fx.once("end",function(e,n){n.setStyles({height:"",opacity:""}),this.destroy(),o.update_collapsible_actions(a)},n.fx,n),n.fx.run()},d.collapse_expand_all=function(e){s.use("io-base","json-parse","moodle-core-notification","anim-node-plugin",function(){d.collapse_expand_all=d._collapse_expand_all,d.collapse_expand_all(e)}),e.preventDefault()},d._collapse_expand_all=function(e){e.preventDefault(),e.currentTarget.hasClass(p)||(e=e.currentTarget.ancestor(b))&&(e.one(c).hasClass(a)?this.collapse_all(e):this.expand_all(e),this.update_collapsible_actions(e))},d.expand_all=function(e){var n=[];e.all(f).each(function(e){e.ancestor(f)?(e.removeClass(t),e.all(u).removeClass(t)):n.push(e)},this),s.all(n).each(function(e){this.expand_category(e)},this)},d.collapse_all=function(e){var n=[];e.all(r).each(function(e){e.ancestor(r)?n.push(e):this.run_expansion(e)},this),s.all(n).each(function(e){e.addClass(t),e.all(h).addClass(t)},this)},d.update_collapsible_actions=function(e){var n=!1,o=e.one(c);o&&(e.all(r).each(function(e){return!e.ancestor(y)&&(n=!0)}),(n?o.setHTML(M.util.get_string("collapseall","moodle")).addClass(a):o.setHTML(M.util.get_string("expandall","moodle")).removeClass(a)).removeClass(p))},d.process_results=function(e,n,o){var a;try{if((a=s.JSON.parse(n.responseText)).error)return new M.core.ajaxException(a)}catch(t){return new M.core.exception(t)}n=s.Node.create(a),o.childnode.appendChild(n),o.parentnode.addClass(i).removeClass(g),this.run_expansion(o.parentnode),o.spinner&&o.spinner.hide().destroy()},d.add_animation=function(e){return"undefined"!=typeof e.fx||e.plug(s.Plugin.NodeFX,{from:{height:0,opacity:0},to:{height:function(e){return e.get("scrollHeight")},opacity:1},duration:.2}),e}},"@VERSION@",{requires:["node","event-key"]});
\ No newline at end of file
diff --git a/course/yui/build/moodle-course-coursebase/moodle-course-coursebase-min.js b/course/yui/build/moodle-course-coursebase/moodle-course-coursebase-min.js
index ec29709c8ec..658c99c615f 100644
--- a/course/yui/build/moodle-course-coursebase/moodle-course-coursebase-min.js
+++ b/course/yui/build/moodle-course-coursebase/moodle-course-coursebase-min.js
@@ -1 +1 @@
-YUI.add("moodle-course-coursebase",function(e,o){var r="course-coursebase",s=function(){s.superclass.constructor.apply(this,arguments)};e.extend(s,e.Base,{registermodules:[],register_module:function(e){return this.registermodules.push(e),this},invoke_function:function(e,o){var r;for(r in this.registermodules)e in this.registermodules[r]&&this.registermodules[r][e](o);return this}},{NAME:r,ATTRS:{}}),M.course=M.course||{},M.course.coursebase=M.course.coursebase||new s,M.course.format=M.course.format||{},M.course.format.swap_sections=M.course.format.swap_sections||function(){return null},M.course.format.process_sections=M.course.format.process_sections||function(){return null},M.course.format.get_config=M.course.format.get_config||function(){return{container_node:null,container_class:null,section_wrapper_node:null,section_wrapper_class:null,section_node:null,section_class:null}},M.course.format.get_section_selector=M.course.format.get_section_selector||function(){var e=M.course.format.get_config();return e.section_node&&e.section_class?e.section_node+"."+e.section_class:null},M.course.format.get_section_wrapper=M.course.format.get_section_wrapper||function(e){var o=M.course.format.get_config();return o.section_wrapper_node&&o.section_wrapper_class?o.section_wrapper_node+"."+o.section_wrapper_class:M.course.format.get_section_selector(e)},M.course.format.get_containernode=M.course.format.get_containernode||function(){var e=M.course.format.get_config();if(e.container_node)return e.container_node},M.course.format.get_containerclass=M.course.format.get_containerclass||function(){var e=M.course.format.get_config();if(e.container_class)return e.container_class},M.course.format.get_sectionwrappernode=M.course.format.get_sectionwrappernode||function(){var e=M.course.format.get_config();return e.section_wrapper_node?e.section_wrapper_node:e.section_node},M.course.format.get_sectionwrapperclass=M.course.format.get_sectionwrapperclass||function(){var e=M.course.format.get_config();return e.section_wrapper_class?e.section_wrapper_class:e.section_class},M.course.format.get_sectionnode=M.course.format.get_sectionnode||function(){var e=M.course.format.get_config();if(e.section_node)return e.section_node},M.course.format.get_sectionclass=M.course.format.get_sectionclass||function(){var e=M.course.format.get_config();if(e.section_class)return e.section_class}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
+YUI.add("moodle-course-coursebase",function(e,o){var r=function(){r.superclass.constructor.apply(this,arguments)};e.extend(r,e.Base,{registermodules:[],register_module:function(e){return this.registermodules.push(e),this},invoke_function:function(e,o){for(var r in this.registermodules)e in this.registermodules[r]&&this.registermodules[r][e](o);return this}},{NAME:"course-coursebase",ATTRS:{}}),M.course=M.course||{},M.course.coursebase=M.course.coursebase||new r,M.course.format=M.course.format||{},M.course.format.swap_sections=M.course.format.swap_sections||function(){return null},M.course.format.process_sections=M.course.format.process_sections||function(){return null},M.course.format.get_config=M.course.format.get_config||function(){return{container_node:null,container_class:null,section_wrapper_node:null,section_wrapper_class:null,section_node:null,section_class:null}},M.course.format.get_section_selector=M.course.format.get_section_selector||function(){var e=M.course.format.get_config();return e.section_node&&e.section_class?e.section_node+"."+e.section_class:null},M.course.format.get_section_wrapper=M.course.format.get_section_wrapper||function(e){var o=M.course.format.get_config();return o.section_wrapper_node&&o.section_wrapper_class?o.section_wrapper_node+"."+o.section_wrapper_class:M.course.format.get_section_selector(e)},M.course.format.get_containernode=M.course.format.get_containernode||function(){var e=M.course.format.get_config();if(e.container_node)return e.container_node},M.course.format.get_containerclass=M.course.format.get_containerclass||function(){var e=M.course.format.get_config();if(e.container_class)return e.container_class},M.course.format.get_sectionwrappernode=M.course.format.get_sectionwrappernode||function(){var e=M.course.format.get_config();return e.section_wrapper_node||e.section_node},M.course.format.get_sectionwrapperclass=M.course.format.get_sectionwrapperclass||function(){var e=M.course.format.get_config();return e.section_wrapper_class||e.section_class},M.course.format.get_sectionnode=M.course.format.get_sectionnode||function(){var e=M.course.format.get_config();if(e.section_node)return e.section_node},M.course.format.get_sectionclass=M.course.format.get_sectionclass||function(){var e=M.course.format.get_config();if(e.section_class)return e.section_class}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
diff --git a/course/yui/build/moodle-course-dragdrop/moodle-course-dragdrop-min.js b/course/yui/build/moodle-course-dragdrop/moodle-course-dragdrop-min.js
index add1a4dbb12..0cde2564602 100644
--- a/course/yui/build/moodle-course-dragdrop/moodle-course-dragdrop-min.js
+++ b/course/yui/build/moodle-course-dragdrop/moodle-course-dragdrop-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-course-dragdrop",function(p,e){var o,t,u=".actions",s="activity",r="content",m="course-content",l="editing_move",i="iconsmall",n="jumpmenu",c="left",a="movedown",d="moveup",g="page-content",f="right",h="section",_="section-handle",v="summary",w="sectiondraggable";M.course=M.course||{},o=function(){o.superclass.constructor.apply(this,arguments)},p.extend(o,M.core.dragdrop,{sectionlistselector:null,initializer:function(){if(this.groups=[w],this.samenodeclass=M.course.format.get_sectionwrapperclass(),this.parentnodeclass=M.course.format.get_containerclass(),this.detectkeyboarddirection=!0,p.Node.one("."+n))return!1;if(this.sectionlistselector=M.course.format.get_section_wrapper(p),this.sectionlistselector){this.sectionlistselector="."+m+" "+this.sectionlistselector,this.setup_for_section(this.sectionlistselector);var e=new p.DD.Delegate({container:"."+m,nodes:"."+w,target:!0,handles:["."+c],dragConfig:{groups:this.groups}});e.dd.plug(p.Plugin.DDProxy,{moveOnEnd:!1}),e.dd.plug(p.Plugin.DDConstrained,{constrain:"#"+g,stickY:!0}),e.dd.plug(p.Plugin.DDWinScroll)}},setup_for_section:function(e){p.Node.all(e).each(function(e){var o,t,s,r,i,n=p.Moodle.core_course.util.section.getId(e);0<n&&(o=e.one("."+f+" a."+a),t=e.one("."+f+" a."+d),s=M.util.get_string("movesection","moodle",n),r=e.one("."+c),(o||t)&&r&&(r.setStyle("cursor","move"),r.appendChild(this.get_drag_handle(s,_,"icon",!0)),t&&(t.previous("br")?t.previous("br").remove():t.next("br")&&t.next("br").remove(),t.ancestor(".section_action_menu")&&"li"==t.ancestor().get("nodeName").toLowerCase()?t.ancestor().remove():t.remove()),o&&(o.previous("br")?o.previous("br").remove():o.next("br")&&o.next("br").remove(),i=o.ancestor().get("nodeName").toLowerCase(),o.ancestor(".section_action_menu")&&"li"==i?o.ancestor().remove():o.remove()),e.addClass(w)))},this)},drag_start:function(e){var o,t,s=e.target,r=s.get("node"),i=s.get("dragNode");r!==i&&((o=p.Node.create("<"+M.course.format.get_containernode()+"></"+M.course.format.get_containernode()+">")).addClass(M.course.format.get_containerclass()),(t=p.Node.create("<"+M.course.format.get_sectionwrappernode()+"></"+M.course.format.get_sectionwrappernode()+">")).addClass(M.course.format.get_sectionwrapperclass()),t.setStyle("margin",0),t.setContent(r.get("innerHTML")),o.appendChild(t),i.setContent(o),i.addClass(m))},drag_dropmiss:function(e){this.drop_hit(e)},get_section_index:function(e){var o="."+m+" "+M.course.format.get_section_selector(p),t=p.all(o);return t.indexOf(e)-t.indexOf(p.one("#section-0"))},drop_hit:function(n){var c,a,e,o,t,s,r=n.drag,i=r.get("node"),d=p.Moodle.core_course.util.section.getId(i),u=d,l=this.get_section_index(i),g=l;if(d!==l){for(t in g<u&&(u=l,g=d),r.get("dragNode").removeClass(m),c=p.Node.all(this.sectionlistselector),a=M.util.add_lightbox(p,i),e={},o=this.get("config").pageparams)o.hasOwnProperty(t)&&(e[t]=o[t]);e.sesskey=M.cfg.sesskey,e.courseId=this.get("courseid"),e["class"]="section",e.field="move",e.id=d,e.value=l,s=M.cfg.wwwroot+this.get("ajaxurl"),p.io(s,{method:"POST",data:e,on:{start:function(){a.show()},success:function(e,o){var t,s,r,i;try{(t=p.JSON.parse(o.responseText)).error&&new M.core.ajaxException(t),M.course.format.process_sections(p,c,t,u,g)}catch(n){}r=!1;do{for(r=!1,s=u;s<=g;s++)p.Moodle.core_course.util.section.getId(c.item(s-1))>p.Moodle.core_course.util.section.getId(c.item(s))&&(i=c.item(s-1).get("id"),c.item(s-1).set("id",c.item(s).get("id")),c.item(s).set("id",i),M.course.format.swap_sections(p,s-1,s),r=!0),c.item(s).setAttribute("data-sectionid",p.Moodle.core_course.util.section.getId(c.item(s)));--g}while(r);window.setTimeout(function(){a.hide()},250)},failure:function(e,o){this.ajax_failure(o),a.hide()}},context:this})}}},{NAME:"course-dragdrop-section",ATTRS:{courseid:{value:null},ajaxurl:{value:0},config:{value:0}}}),M.course=M.course||{},M.course.init_section_dragdrop=function(e){new o(e)},t=function(){t.superclass.constructor.apply(this,arguments)},p.extend(t,M.core.dragdrop,{initializer:function(){var e,o,t;this.groups=["resource"],this.samenodeclass=s,this.parentnodeclass=h,this.samenodelabel={identifier:"afterresource",component:"moodle"},this.parentnodelabel={identifier:"totopofsection",component:"moodle"},(e=M.course.format.get_section_selector(p))&&(e="."+m+" "+e,this.setup_for_section(e),o=e.slice(m.length+2)+" li."+s,(t=new p.DD.Delegate({container:"."+m,nodes:o,target:!0,handles:["."+l],dragConfig:{groups:this.groups}})).dd.plug(p.Plugin.DDProxy,{moveOnEnd:!1,cloneNode:!0}),t.dd.plug(p.Plugin.DDConstrained,{constrain:"#"+g}),t.dd.plug(p.Plugin.DDWinScroll),M.course.coursebase.register_module(this),M.course.dragres=this)},setup_for_section:function(e){p.Node.all(e).each(function(e){var o=e.one("."+r+" ul."+h);o||((o=p.Node.create("<ul></ul>")).addClass(h),e.one("."+r+" div."+v).insert(o,"after")),o.setAttribute("data-draggroups",this.groups.join(" ")),new p.DD.Drop({node:o,groups:this.groups,padding:"20 0 20 0"}),this.setup_for_resource("#"+e.get("id")+" li."+s)},this)},setup_for_resource:function(e){p.Node.all(e).each(function(e){var o,t,s=e.getData("draggroups");s||(e.setAttribute("data-draggroups",this.groups.join(" ")),new p.DD.Drop({node:e,groups:this.groups,padding:"20 0 20 0"})),(o=e.one("a."+l))&&(t=o.getData("sectionreturn"),o.replace(this.get_drag_handle(M.util.get_string("movecoursemodule","moodle"),l,i,!0).setAttribute("data-sectionreturn",t)))},this)},drag_start:function(e){var o=e.target;o.get("dragNode")!==o.get("node")&&(o.get("dragNode").setContent(o.get("node").get("innerHTML")),o.get("dragNode").all("img.iconsmall").setStyle("vertical-align","baseline"))},drag_dropmiss:function(e){this.drop_hit(e)},drop_hit:function(e){var o,t,r=e.drag,i=r.get("node"),s=e.drop.get("node"),n=i.one(u),c=M.util.add_spinner(p,n),a={},d=this.get("config").pageparams;for(o in d)a[o]=d[o];a.sesskey=M.cfg.sesskey,a.courseId=this.get("courseid"),a["class"]="resource",a.field="move",a.id=Number(
-p.Moodle.core_course.util.cm.getId(i)),a.sectionId=p.Moodle.core_course.util.section.getId(s.ancestor(M.course.format.get_section_wrapper(p),!0)),i.next()&&(a.beforeId=Number(p.Moodle.core_course.util.cm.getId(i.next()))),t=M.cfg.wwwroot+this.get("ajaxurl"),p.io(t,{method:"POST",data:a,on:{start:function(){this.lock_drag_handle(r,l),c.show()},success:function(e,o){var t=p.JSON.parse(o.responseText),s={element:i,visible:t.visible};M.course.coursebase.invoke_function("set_visibility_resource_ui",s),this.unlock_drag_handle(r,l),window.setTimeout(function(){c.hide()},250)},failure:function(e,o){this.ajax_failure(o),this.unlock_drag_handle(r,_),c.hide()}},context:this})}},{NAME:"course-dragdrop-resource",ATTRS:{courseid:{value:null},ajaxurl:{value:0},config:{value:0}}}),M.course=M.course||{},M.course.init_resource_dragdrop=function(e){new t(e)}},"@VERSION@",{requires:["base","node","io","dom","dd","dd-scroll","moodle-core-dragdrop","moodle-core-notification","moodle-course-coursebase","moodle-course-util"]});
\ No newline at end of file
+YUI.add("moodle-course-dragdrop",function(g,e){var o,t,d=".actions",s="activity",r="content",p="course-content",a="editing_move",u="iconsmall",l="jumpmenu",i="left",m="movedown",f="moveup",h="page-content",_="right",n="section",v="section-handle",w="summary",c="sectiondraggable";M.course=M.course||{},g.extend(o=function(){o.superclass.constructor.apply(this,arguments)},M.core.dragdrop,{sectionlistselector:null,initializer:function(){if(this.groups=[c],this.samenodeclass=M.course.format.get_sectionwrapperclass(),this.parentnodeclass=M.course.format.get_containerclass(),this.detectkeyboarddirection=!0,g.Node.one("."+l))return!1;var e;this.sectionlistselector=M.course.format.get_section_wrapper(g),this.sectionlistselector&&(this.sectionlistselector="."+p+" "+this.sectionlistselector,this.setup_for_section(this.sectionlistselector),(e=new g.DD.Delegate({container:"."+p,nodes:"."+c,target:!0,handles:["."+i],dragConfig:{groups:this.groups}})).dd.plug(g.Plugin.DDProxy,{moveOnEnd:!1}),e.dd.plug(g.Plugin.DDConstrained,{constrain:"#"+h,stickY:!0}),e.dd.plug(g.Plugin.DDWinScroll))},setup_for_section:function(e){g.Node.all(e).each(function(e){var o,t,s,r=g.Moodle.core_course.util.section.getId(e);0<r&&(o=e.one("."+_+" a."+m),t=e.one("."+_+" a."+f),r=M.util.get_string("movesection","moodle",r),s=e.one("."+i),(o||t)&&s&&(s.setStyle("cursor","move"),s.appendChild(this.get_drag_handle(r,v,"icon",!0)),t&&(t.previous("br")?t.previous("br").remove():t.next("br")&&t.next("br").remove(),(t.ancestor(".section_action_menu")&&"li"==t.ancestor().get("nodeName").toLowerCase()?t.ancestor():t).remove()),o&&(o.previous("br")?o.previous("br").remove():o.next("br")&&o.next("br").remove(),r=o.ancestor().get("nodeName").toLowerCase(),(o.ancestor(".section_action_menu")&&"li"==r?o.ancestor():o).remove()),e.addClass(c)))},this)},drag_start:function(e){var o,t,e=e.target,s=e.get("node"),e=e.get("dragNode");s!==e&&((o=g.Node.create("<"+M.course.format.get_containernode()+"></"+M.course.format.get_containernode()+">")).addClass(M.course.format.get_containerclass()),(t=g.Node.create("<"+M.course.format.get_sectionwrappernode()+"></"+M.course.format.get_sectionwrappernode()+">")).addClass(M.course.format.get_sectionwrapperclass()),t.setStyle("margin",0),t.setContent(s.get("innerHTML")),o.appendChild(t),e.setContent(o),e.addClass(p))},drag_dropmiss:function(e){this.drop_hit(e)},get_section_index:function(e){var o="."+p+" "+M.course.format.get_section_selector(g),o=g.all(o);return o.indexOf(e)-o.indexOf(g.one("#section-0"))},drop_hit:function(n){var c,a,e,i,o,t=n.drag,l=t.get("node"),s=g.Moodle.core_course.util.section.getId(l),d=s,r=this.get_section_index(l),u=r;if(s!==r){for(o in u<d&&(d=r,u=s),t.get("dragNode").removeClass(p),c=g.Node.all(this.sectionlistselector),a=M.util.add_lightbox(g,l),e={},i=this.get("config").pageparams)i.hasOwnProperty(o)&&(e[o]=i[o]);e.sesskey=M.cfg.sesskey,e.courseId=this.get("courseid"),e["class"]="section",e.field="move",e.id=s,e.value=r,t=M.cfg.wwwroot+this.get("ajaxurl"),g.io(t,{method:"POST",data:e,on:{start:function(){a.show()},success:function(e,o){var t,s,r,i;try{(t=g.JSON.parse(o.responseText)).error&&new M.core.ajaxException(t),M.course.format.process_sections(g,c,t,d,u)}catch(n){}r=!1;do{for(r=!1,s=d;s<=u;s++)g.Moodle.core_course.util.section.getId(c.item(s-1))>g.Moodle.core_course.util.section.getId(c.item(s))&&(i=c.item(s-1).get("id"),c.item(s-1).set("id",c.item(s).get("id")),c.item(s).set("id",i),M.course.format.swap_sections(g,s-1,s),r=!0),c.item(s).setAttribute("data-sectionid",g.Moodle.core_course.util.section.getId(c.item(s)))}while(u-=1,r);window.setTimeout(function(){a.hide()},250)},failure:function(e,o){this.ajax_failure(o),a.hide()}},context:this})}}},{NAME:"course-dragdrop-section",ATTRS:{courseid:{value:null},ajaxurl:{value:0},config:{value:0}}}),M.course=M.course||{},M.course.init_section_dragdrop=function(e){new o(e)},g.extend(t=function(){t.superclass.constructor.apply(this,arguments)},M.core.dragdrop,{initializer:function(){var e;this.groups=["resource"],this.samenodeclass=s,this.parentnodeclass=n,this.samenodelabel={identifier:"afterresource",component:"moodle"},this.parentnodelabel={identifier:"totopofsection",component:"moodle"},(e=M.course.format.get_section_selector(g))&&(e="."+p+" "+e,this.setup_for_section(e),e=e.slice(p.length+2)+" li."+s,(e=new g.DD.Delegate({container:"."+p,nodes:e,target:!0,handles:["."+a],dragConfig:{groups:this.groups}})).dd.plug(g.Plugin.DDProxy,{moveOnEnd:!1,cloneNode:!0}),e.dd.plug(g.Plugin.DDConstrained,{constrain:"#"+h}),e.dd.plug(g.Plugin.DDWinScroll),M.course.coursebase.register_module(this),M.course.dragres=this)},setup_for_section:function(e){g.Node.all(e).each(function(e){var o=e.one("."+r+" ul."+n);o||((o=g.Node.create("<ul></ul>")).addClass(n),e.one("."+r+" div."+w).insert(o,"after")),o.setAttribute("data-draggroups",this.groups.join(" ")),new g.DD.Drop({node:o,groups:this.groups,padding:"20 0 20 0"}),this.setup_for_resource("#"+e.get("id")+" li."+s)},this)},setup_for_resource:function(e){g.Node.all(e).each(function(e){var o=e.getData("draggroups");o||(e.setAttribute("data-draggroups",this.groups.join(" ")),new g.DD.Drop({node:e,groups:this.groups,padding:"20 0 20 0"})),(o=e.one("a."+a))&&(e=o.getData("sectionreturn"),o.replace(this.get_drag_handle(M.util.get_string("movecoursemodule","moodle"),a,u,!0).setAttribute("data-sectionreturn",e)))},this)},drag_start:function(e){e=e.target;e.get("dragNode")!==e.get("node")&&(e.get("dragNode").setContent(e.get("node").get("innerHTML")),e.get("dragNode").all("img.iconsmall").setStyle("vertical-align","baseline"))},drag_dropmiss:function(e){this.drop_hit(e)},drop_hit:function(e){var o,t=e.drag,s=t.get("node"),e=e.drop.get("node"),r=s.one(d),i=M.util.add_spinner(g,r),n={},c=this.get("config").pageparams;for(o in c)n[o]=c[o];n.sesskey=M.cfg.sesskey,n.courseId=this.get("courseid"),n["class"]="resource",n.field="move",n.id=Number(g.Moodle.core_course.util.cm.getId(s)),
+n.sectionId=g.Moodle.core_course.util.section.getId(e.ancestor(M.course.format.get_section_wrapper(g),!0)),s.next()&&(n.beforeId=Number(g.Moodle.core_course.util.cm.getId(s.next()))),r=M.cfg.wwwroot+this.get("ajaxurl"),g.io(r,{method:"POST",data:n,on:{start:function(){this.lock_drag_handle(t,a),i.show()},success:function(e,o){o=g.JSON.parse(o.responseText),o={element:s,visible:o.visible};M.course.coursebase.invoke_function("set_visibility_resource_ui",o),this.unlock_drag_handle(t,a),window.setTimeout(function(){i.hide()},250)},failure:function(e,o){this.ajax_failure(o),this.unlock_drag_handle(t,v),i.hide()}},context:this})}},{NAME:"course-dragdrop-resource",ATTRS:{courseid:{value:null},ajaxurl:{value:0},config:{value:0}}}),M.course=M.course||{},M.course.init_resource_dragdrop=function(e){new t(e)}},"@VERSION@",{requires:["base","node","io","dom","dd","dd-scroll","moodle-core-dragdrop","moodle-core-notification","moodle-course-coursebase","moodle-course-util"]});
\ No newline at end of file
diff --git a/course/yui/build/moodle-course-formatchooser/moodle-course-formatchooser-min.js b/course/yui/build/moodle-course-formatchooser/moodle-course-formatchooser-min.js
index 2b4cf0c1d94..3170899d8a4 100644
--- a/course/yui/build/moodle-course-formatchooser/moodle-course-formatchooser-min.js
+++ b/course/yui/build/moodle-course-formatchooser/moodle-course-formatchooser-min.js
@@ -1 +1 @@
-YUI.add("moodle-course-formatchooser",function(i,o){var e=function(){e.superclass.constructor.apply(this,arguments)};i.extend(e,i.Base,{initializer:function(o){var e,n,r,t;o&&o.formid&&(e=i.one("#"+o.formid+" #id_updatecourseformat"),n=i.one("#"+o.formid+" #id_format"),r=e.ancestor("fieldset"),t=i.one("form.mform").get("action"),e&&n&&(e.setStyle("display","none"),n.on("change",function(){i.one("form.mform").set("action",t+"#"+r.get("id")),e.simulate("click")})))}}),M.course=M.course||{},M.course.init_formatchooser=function(o){return new e(o)}},"@VERSION@",{requires:["base","node","node-event-simulate"]});
\ No newline at end of file
+YUI.add("moodle-course-formatchooser",function(t,o){var e=function(){e.superclass.constructor.apply(this,arguments)};t.extend(e,t.Base,{initializer:function(o){var e,n,r;o&&o.formid&&(e=t.one("#"+o.formid+" #id_updatecourseformat"),o=t.one("#"+o.formid+" #id_format"),n=e.ancestor("fieldset"),r=t.one("form.mform").get("action"),e&&o&&(e.setStyle("display","none"),o.on("change",function(){t.one("form.mform").set("action",r+"#"+n.get("id")),e.simulate("click")})))}}),M.course=M.course||{},M.course.init_formatchooser=function(o){return new e(o)}},"@VERSION@",{requires:["base","node","node-event-simulate"]});
\ No newline at end of file
diff --git a/course/yui/build/moodle-course-management/moodle-course-management-min.js b/course/yui/build/moodle-course-management/moodle-course-management-min.js
index efd525a479d..f2de6b9f609 100644
--- a/course/yui/build/moodle-course-management/moodle-course-management-min.js
+++ b/course/yui/build/moodle-course-management/moodle-course-management-min.js
@@ -1,4 +1,4 @@
-YUI.add("moodle-course-management",function(u,e){var n,o,s,t,i=function(){i.superclass.constructor.apply(this,arguments)};i.NAME="moodle-course-management",i.CSS_PREFIX="management",i.ATTRS={element:{setter:function(e){return"string"==typeof e&&(e=u.one("#"+e)),e}},categorylisting:{value:null},courselisting:{value:null},coursedetails:{value:null},activecategoryid:{value:null},activecourseid:{value:null},categories:{setter:function(e,t){if(u.Lang.isArray(e))return e;var i=this.get(t);return i.push(e),i},value:[]},courses:{validator:function(e){return u.Lang.isArray(e)},value:[]},page:{getter:function(e,t){return null===e&&(e=this.get("element").getData(t),this.set(t,e)),e},value:null},totalpages:{getter:function(e,t){return null===e&&(e=this.get("element").getData(t),this.set(t,e)),e},value:null},totalcourses:{getter:function(e,t){return null===e&&(e=this.get("element").getData(t),this.set(t,e)),e},value:null},ajaxurl:{getter:function(e){return null===e&&(e=M.cfg.wwwroot+"/course/ajax/management.php"),e},value:null},dragdrop:{value:null}},i.prototype={categoriesinit:!1,initializer:function(){this.set("element","coursecat-management");var e=this.get("element"),t=e.one("#category-listing"),i=e.one("#course-listing"),o=null,n=null;t&&(o=t.one('.listitem[data-selected="1"]')),i&&(n=i.one('.listitem[data-selected="1"]')),this.set("categorylisting",t),this.set("courselisting",i),this.set("coursedetails",e.one("#course-detail")),o&&this.set("activecategoryid",o.getData("id")),n&&this.set("activecourseid",n.getData("id")),this.initialiseCategories(t),this.initialiseCourses(),i&&this.set("dragdrop",new s({console:this}))},initialiseCategories:function(e){var t,i,o;if(!e)return!1;(t=e.one("#menumovecategoriesto"))&&t.setAttribute("disabled",!0),(i=e.one("#menuresortcategoriesby"))&&i.setAttribute("disabled",!0),(o=e.one("#menuresortcoursesby"))&&o.setAttribute("disabled",!0),e.all(".listitem[data-id]").each(function(e){this.set("categories",new n({node:e,console:this})),0},this),this.categoriesinit||(this.get("categorylisting").delegate("click",this.handleCategoryDelegation,"a[data-action]",this),this.get("categorylisting").delegate("click",this.handleCategoryDelegation,'input[name="bcat[]"]',this),this.get("categorylisting").delegate("change",this.handleBulkSortByaction,"#menuselectsortby",this),this.categoriesinit=!0)},initialiseCourses:function(){var e,t=this.getCategoryById(this.get("activecategoryid")),i=this.get("courselisting");if(!i)return!1;(e=i.one("#menumovecoursesto"))&&e.setAttribute("disabled",!0),i.all(".listitem[data-id]").each(function(e){this.registerCourse(new o({node:e,console:this,category:t})),0},this),i.delegate("click",this.handleCourseDelegation,"a[data-action]",this),i.delegate("click",this.handleCourseDelegation,'input[name="bc[]"]',this)},registerCourse:function(e){var t=this.get("courses");t.push(e),this.set("courses",t)},handleCourseDelegation:function(e){var t=e.currentTarget,i=t.getData("action"),o=t.ancestor(".listitem").getData("id"),n=this.getCourseById(o);n&&n.handle(i,e)},handleCategoryDelegation:function(e){var t=e.currentTarget,i=t.getData("action"),o=t.ancestor(".listitem").getData("id"),n=this.getCategoryById(o);n&&n.handle(i,e)},isCourseSelected:function(e){var t,i,o,n=!1;if(e&&e.get("checked"))n=!0;else for(o=(i=this.get("courses")).length,t=0;t<o;t++)if(i.hasOwnProperty(t)&&i[t].get("node").one('input[name="bc[]"]').get("checked")){n=!0;break}return n},isCategorySelected:function(e){var t,i,o,n=!1;if(e&&e.get("checked"))n=!0;else for(o=(i=this.get("categories")).length,t=0;t<o;t++)if(i.hasOwnProperty(t)&&i[t].get("node").one('input[name="bcat[]"]').get("checked")){n=!0;break}return n},handleBulkSortByaction:function(e){var t=this.get("categorylisting").one("#menuresortcategoriesby"),i=this.get("categorylisting").one("#menuresortcoursesby"),o=this.get("categorylisting").one('input[name="bulksort"]'),n=e;n?e&&e.currentTarget&&(n=e.currentTarget):n=this.get("categorylisting").one("#menuselectsortby"),n&&(this.get("categories").length<=1||!this.isCategorySelected()&&"selectedcategories"===n.get("options").item(n.get("selectedIndex")).getAttribute("value")?(t&&t.setAttribute("disabled",!0),i&&i.setAttribute("disabled",!0),o&&o.setAttribute("disabled",!0)):(t&&t.removeAttribute("disabled"),i&&i.removeAttribute("disabled"),o&&o.removeAttribute("disabled")))},getCategoryById:function(e){var t,i,o=this.get("categories"),n=o.length;for(t=0;t<n;t++)if(o.hasOwnProperty(t)&&(i=o[t]).get("categoryid")===e)return i;return!1},getCourseById:function(e){var t,i,o=this.get("courses"),n=o.length;for(t=0;t<n;t++)if(o.hasOwnProperty(t)&&(i=o[t]).get("courseid")===e)return i;return!1},removeCourseById:function(e){var t,i=this.get("courses"),o=i.length;for(t=0;t<o;t++)if(i[t].get("courseid")===e){i.splice(t,1);break}},performAjaxAction:function(e,t,i,o){var n=new u.IO;t.action=e,t.ajax="1",t.sesskey=M.cfg.sesskey,null===i&&(i=function(){}),n.send(this.get("ajaxurl"),{method:"POST",on:{complete:i},context:o,data:t,arguments:t})}},u.extend(i,u.Base,i.prototype),M.course=M.course||{},M.course.management=M.course.management||{},M.course.management.console=null,M.course.management.init=function(e){M.course.management.console=new i(e)},(s=function(e){i.superclass.constructor.apply(this,[e])}).NAME="moodle-course-management-dd",s.CSS_PREFIX="management-dd",s.ATTRS={console:{writeOnce:"initOnly"}},s.prototype={goingup:!1,lasty:null,previoussibling:null,initializer:function(){var e=this.get("console").get("element"),t=e.one("#category-listing"),i=e.one("#course-listing > .course-listing"),o=t?t.one("ul.ml"):null,n=i?i.one("ul.ml"):null,s=!!i&&i.getData("canmoveoutof"),r=s?e:n;if(!n)return!1;for(;0===r.get("scrollHeight")&&!r.compareTo(window.document.body);)r=r.get("parentNode");n.all("> li").each(function(e){this.initCourseListing(e,r)},this),n.setData("dd",new u.DD.Drop({node:n})),s&&o&&o.all("li > div").each(function(e){this.initCategoryListitem(e)},this),u.DD.DDM.on("drag:start",
-this.dragStart,this),u.DD.DDM.on("drag:end",this.dragEnd,this),u.DD.DDM.on("drag:drag",this.dragDrag,this),u.DD.DDM.on("drop:over",this.dropOver,this),u.DD.DDM.on("drop:enter",this.dropEnter,this),u.DD.DDM.on("drop:exit",this.dropExit,this),u.DD.DDM.on("drop:hit",this.dropHit,this)},initCourseListing:function(e,t){e.setData("dd",new u.DD.Drag({node:e,target:{padding:"0 0 0 20"}}).addHandle(".drag-handle").plug(u.Plugin.DDProxy,{moveOnEnd:!1,borderStyle:!1}).plug(u.Plugin.DDConstrained,{constrain2node:t}))},initCategoryListitem:function(e){e.setData("dd",new u.DD.Drop({node:e}))},dragStart:function(e){var t=e.target,i=t.get("node"),o=t.get("dragNode");i.addClass("course-being-dragged"),o.addClass("course-being-dragged-proxy").set("innerHTML",i.one("a.coursename").get("innerHTML")),this.previoussibling=i.get("previousSibling")},dragEnd:function(e){e.target.get("node").removeClass("course-being-dragged"),this.get("console").get("element").all("#category-listing li.highlight").removeClass("highlight")},dragDrag:function(e){var t=e.target.lastXY[1];t<this.lasty?this.goingup=!0:this.goingup=!1,this.lasty=t},dropOver:function(e){var t=e.drag.get("node"),i=e.drop.get("node");if("li"===i.get("tagName").toLowerCase()&&i.hasClass("listitem-course")){if(!this.goingup&&!(i=i.get("nextSibling")))return(i=e.drop.get("node")).get("parentNode").append(t),!1;i.get("parentNode").insertBefore(t,i),e.drop.sizeShim()}},dropEnter:function(e){var t=e.drop.get("node");"div"===t.get("tagName").toLowerCase()&&t.ancestor("li.listitem-category").addClass("highlight")},dropExit:function(e){var t=e.drop.get("node");"div"===t.get("tagName").toLowerCase()&&t.ancestor("li.listitem-category").removeClass("highlight")},dropHit:function(e){var t,i,o,n,s,r,a,c=e.drag.get("node"),l=e.drop.get("node"),u=null!==l.ancestor(".listitem-category"),g=!u&&l.test(".listitem-course"),d=this.get("console");if(!c.test(".listitem-course"))return!1;o=c.getData("id"),u?(t=l.ancestor(".listitem-category").getData("id"),(i=d.getCategoryById(t))&&(n=d.getCourseById(o))&&i.moveCourseTo(n)):(g||l.ancestor("#course-listing"))&&(n=d.getCourseById(o),(s=(r=c.get("previousSibling"))&&r.getData("id")||0)!==(a=this.previoussibling?this.previoussibling.getData("id"):0)&&n.moveAfter(s,a))}},u.extend(s,u.Base,s.prototype),(t=function(){t.superclass.constructor.apply(this,arguments)}).NAME="moodle-course-management-item",t.CSS_PREFIX="management-item",t.ATTRS={node:{},console:{},itemname:{value:"item"}},t.prototype={highlighttimeout:null,checkAjaxResponse:function(e,t,i){if(200!==t.status)return!1;if(null===e||null===i)return!1;var o=u.JSON.parse(t.responseText);return!1!==o.error&&new M.core.exception(o),!1!==o.outcome&&o},moveup:function(e,t,i){var o,n,s,r,a,c,l;if(!1===this.checkAjaxResponse(e,t,i))return!1;(r=(o=this.get("node")).previous(".listitem"))?(r.insert(o,"before"),a=r.one(" > div a.action-moveup"),s=o.one(" > div a.action-movedown"),a&&s||(n=o.one(" > div a.action-moveup"),c=r.one(" > div a.action-movedown"),a||s?s||n.insert(c,"after"):(l=u.Node.create('<a style="visibility:hidden;">&nbsp;</a>'),c.replace(l),n.replace(c),l.replace(n),l.destroy())),(n=o.one(" > div a.action-moveup"))?n.focus():(s=o.one(" > div a.action-movedown"))&&s.focus(),this.updated(!0)):window.location.reload()},movedown:function(e,t,i){var o,n,s,r,a,c,l;if(!1===this.checkAjaxResponse(e,t,i))return!1;(n=(o=this.get("node")).next(".listitem"))?(o.insert(n,"before"),c=n.one(" > div a.action-movedown"),s=o.one(" > div a.action-moveup"),c&&s||(a=n.one(" > div a.action-moveup"),r=o.one(" > div a.action-movedown"),c||s?s||r.insert(a,"before"):(l=u.Node.create('<a style="visibility:hidden;">&nbsp;</a>'),a.replace(l),r.replace(a),l.replace(r),l.destroy())),(r=o.one(" > div a.action-movedown"))?r.focus():(s=o.one(" > div a.action-moveup"))&&s.focus(),this.updated(!0)):window.location.reload()},show:function(e,t,i){var o;if(!1===this.checkAjaxResponse(e,t,i))return!1;this.markVisible(),(o=this.get("node").one("a[data-action=hide]"))&&o.focus(),this.updated()},markVisible:function(){return this.get("node").setAttribute("data-visible","1"),!0},hide:function(e,t,i){var o;if(!1===this.checkAjaxResponse(e,t,i))return!1;this.markHidden(),(o=this.get("node").one("a[data-action=show]"))&&o.focus(),this.updated()},markHidden:function(){return this.get("node").setAttribute("data-visible","0"),!0},updated:function(e){e&&this.highlight()},highlight:function(){var e=this.get("node");e.siblings(".highlight").removeClass("highlight"),e.addClass("highlight"),this.highlighttimeout&&window.clearTimeout(this.highlighttimeout),this.highlighttimeout=window.setTimeout(function(){e.removeClass("highlight")},2500)}},u.extend(t,u.Base,t.prototype),(n=function(){n.superclass.constructor.apply(this,arguments)}).NAME="moodle-course-management-category",n.CSS_PREFIX="management-category",n.ATTRS={categoryid:{getter:function(e,t){return null===e&&(e=this.get("node").getData("id"),this.set(t,e)),e},value:null,writeOnce:!0},selected:{getter:function(e,t){return null===e&&(null===(e=this.get("node").getData(t))&&(e=!1),this.set(t,e)),e},value:null},courses:{validator:function(e){return u.Lang.isArray(e)},value:[]}},n.prototype={initializer:function(){this.set("itemname","category")},getName:function(){return this.get("node").one("a.categoryname").get("innerHTML")},registerCourse:function(e){var t=this.get("courses");t.push(e),this.set("courses",t)},handle:function(e,t){var i,o,n={categoryid:this.get("categoryid")},s=this.get("console").get("activecategoryid");switch(s&&s!==n.categoryid&&(n.selectedcategory=s),e){case"moveup":t.preventDefault(),this.get("console").performAjaxAction("movecategoryup",n,this.moveup,this);break;case"movedown":t.preventDefault(),this.get("console").performAjaxAction("movecategorydown",n,this.movedown,this);break;case"show":t.preventDefault(),this.get("console").performAjaxAction("showcategory",n,this.show,this);break;case"hide":t.preventDefault(),this.get("console").performAjaxAction(
-"hidecategory",n,this.hide,this);break;case"expand":t.preventDefault(),"0"===this.get("node").getData("expanded")&&(this.get("node").setAttribute("data-expanded","1").setData("expanded","true"),this.get("console").performAjaxAction("getsubcategorieshtml",n,this.loadSubcategories,this)),this.expand();break;case"collapse":t.preventDefault(),this.collapse();break;case"select":(o=(i=this.get("console")).get("categorylisting").one("#menumovecategoriesto"))&&(i.isCategorySelected(t.currentTarget)&&1<i.get("categories").length?o.removeAttribute("disabled"):o.setAttribute("disabled",!0),i.handleBulkSortByaction());break;default:return!1}},expand:function(){var e=this.get("node"),o=e.one("a[data-action=expand]"),t=e.one("ul[role=group]");e.removeClass("collapsed").setAttribute("aria-expanded","true"),o.setAttribute("data-action","collapse").setAttrs({title:M.util.get_string("collapsecategory","moodle",this.getName())}),require(["core/str","core/templates","core/notification"],function(e,t,i){e.get_string("collapse","core").then(function(e){return t.renderPix("t/switch_minus","core",e)}).then(function(e){return e=u.Node.create(e).addClass("tree-icon").getDOMNode().outerHTML,o.set("innerHTML",e)}).fail(i.exception)}),t&&t.setAttribute("aria-hidden","false"),this.get("console").performAjaxAction("expandcategory",{categoryid:this.get("categoryid")},null,this)},collapse:function(){var e=this.get("node"),o=e.one("a[data-action=collapse]"),t=e.one("ul[role=group]");e.addClass("collapsed").setAttribute("aria-expanded","false"),o.setAttribute("data-action","expand").setAttrs({title:M.util.get_string("expandcategory","moodle",this.getName())}),require(["core/str","core/templates","core/notification"],function(e,t,i){e.get_string("expand","core").then(function(e){return t.renderPix("t/switch_plus","core",e)}).then(function(e){return e=u.Node.create(e).addClass("tree-icon").getDOMNode().outerHTML,o.set("innerHTML",e)}).fail(i.exception)}),t&&t.setAttribute("aria-hidden","true"),this.get("console").performAjaxAction("collapsecategory",{categoryid:this.get("categoryid")},null,this)},loadSubcategories:function(e,t,i){var o,n,s=this.checkAjaxResponse(e,t,i),r=this.get("node"),a=this.get("console");return!1!==s&&(r.append(s.html),a.initialiseCategories(r),M.core&&M.core.actionmenu&&M.core.actionmenu.newDOMNode&&M.core.actionmenu.newDOMNode(r),o=r.one("ul[role=group]"),n=r.one("a[data-action=collapse]"),o&&n&&n.setAttribute("aria-controls",o.generateID()),!0)},moveCourseTo:function(t){var i=this;u.use("moodle-core-notification-confirm",function(){var e=new M.core.confirm({title:M.util.get_string("confirm","moodle"),question:M.util.get_string("confirmcoursemove","moodle",{course:t.getName(),category:i.getName()}),yesLabel:M.util.get_string("move","moodle"),noLabel:M.util.get_string("cancel","moodle")});e.on("complete-yes",function(){e.hide(),e.destroy(),this.get("console").performAjaxAction("movecourseintocategory",{categoryid:this.get("categoryid"),courseid:t.get("courseid")},this.completeMoveCourse,this)},i),e.show()})},completeMoveCourse:function(e,t,i){var o,n,s,r=this.checkAjaxResponse(e,t,i),a=this.get("console");return!1!==r&&(!!(n=a.getCourseById(i.courseid))&&(this.highlight(),n&&(r.paginationtotals&&(s=a.get("courselisting").one(".listing-pagination-totals"))&&s.set("innerHTML",r.paginationtotals),"undefined"!==r.totalcatcourses&&(s=this.get("node").one(".course-count span"))&&s.set("innerHTML",s.get("innerHTML").replace(/^\d+/,r.totalcatcourses)),"undefined"!=typeof r.fromcatcoursecount&&(o=a.get("activecategoryid"),(o=a.getCategoryById(o))&&(s=o.get("node").one(".course-count span"))&&s.set("innerHTML",s.get("innerHTML").replace(/^\d+/,r.fromcatcoursecount))),n.remove()),!0))},show:function(e,t,i){var o,n=this.checkAjaxResponse(e,t,i);if(!1===n)return!1;this.markVisible(),(o=this.get("node").one("a[data-action=hide]"))&&o.focus(),n.categoryvisibility&&this.updateChildVisibility(n.categoryvisibility),n.coursevisibility&&this.updateCourseVisiblity(n.coursevisibility),this.updated()},hide:function(e,t,i){var o,n=this.checkAjaxResponse(e,t,i);if(!1===n)return!1;this.markHidden(),(o=this.get("node").one("a[data-action=show]"))&&o.focus(),n.categoryvisibility&&this.updateChildVisibility(n.categoryvisibility),n.coursevisibility&&this.updateCourseVisiblity(n.coursevisibility),this.updated()},updateCourseVisiblity:function(e){var t,i,o=this.get("console");try{for(t in e)"object"==typeof e[t]&&(i=o.getCourseById(e[t].id))&&("1"===e[t].visible?i.markVisible():i.markHidden())}catch(n){}return this},updateChildVisibility:function(e){var t,i,o=this.get("console");try{for(t in e)"object"==typeof e[t]&&(i=o.getCategoryById(e[t].id))&&("1"===e[t].visible?i.markVisible():i.markHidden())}catch(n){}return this}},u.extend(n,t,n.prototype),(o=function(){o.superclass.constructor.apply(this,arguments)}).NAME="moodle-course-management-course",o.CSS_PREFIX="management-course",o.ATTRS={courseid:{},selected:{getter:function(e,t){return null===e&&(e=this.get("node").getData(t),this.set(t,e)),e},value:null},node:{},console:{writeOnce:"initOnly"},category:{writeOnce:"initOnly"}},o.prototype={initializer:function(){var e=this.get("node"),t=this.get("category");this.set("courseid",e.getData("id")),t&&t.registerCourse&&t.registerCourse(this),this.set("itemname","course")},getName:function(){return this.get("node").one("a.coursename").get("innerHTML")},handle:function(e,t){var i,o,n=this.get("console"),s={courseid:this.get("courseid")};switch(e){case"moveup":t.halt(),n.performAjaxAction("movecourseup",s,this.moveup,this);break;case"movedown":t.halt(),n.performAjaxAction("movecoursedown",s,this.movedown,this);break;case"show":t.halt(),n.performAjaxAction("showcourse",s,this.show,this);break;case"hide":t.halt(),n.performAjaxAction("hidecourse",s,this.hide,this);break;case"select":(o=(i=this.get("console")).get("courselisting").one("#menumovecoursesto"))&&(i.isCourseSelected(t.currentTarget)?o.removeAttribute("disabled"):o.setAttribute(
-"disabled",!0));break;default:return!1}},remove:function(){this.get("console").removeCourseById(this.get("courseid")),this.get("node").remove()},moveAfter:function(e,t){var i=this.get("console"),o={courseid:this.get("courseid"),moveafter:e,previous:t};i.performAjaxAction("movecourseafter",o,this.moveAfterResponse,this)},moveAfterResponse:function(e,t,i){var o,n=this.checkAjaxResponse(e,t,i),s=this.get("node");if(!1===n)return(o=s.ancestor("ul").one("li[data-id="+i.previous+"]"))?o.insertAfter(s,"after"):s.ancestor("ul").one("li").insert(s,"before"),!1;this.highlight()}},u.extend(o,t,o.prototype)},"@VERSION@",{requires:["base","node","io-base","moodle-core-notification-exception","json-parse","dd-constrain","dd-proxy","dd-drop","dd-delegate","node-event-delegate"]});
\ No newline at end of file
+YUI.add("moodle-course-management",function(s,e){var i,o,r,t,n=function(){n.superclass.constructor.apply(this,arguments)};n.NAME="moodle-course-management",n.CSS_PREFIX="management",n.ATTRS={element:{setter:function(e){return e="string"==typeof e?s.one("#"+e):e}},categorylisting:{value:null},courselisting:{value:null},coursedetails:{value:null},activecategoryid:{value:null},activecourseid:{value:null},categories:{setter:function(e,t){if(s.Lang.isArray(e))return e;t=this.get(t);return t.push(e),t},value:[]},courses:{validator:function(e){return s.Lang.isArray(e)},value:[]},page:{getter:function(e,t){return null===e&&(e=this.get("element").getData(t),this.set(t,e)),e},value:null},totalpages:{getter:function(e,t){return null===e&&(e=this.get("element").getData(t),this.set(t,e)),e},value:null},totalcourses:{getter:function(e,t){return null===e&&(e=this.get("element").getData(t),this.set(t,e)),e},value:null},ajaxurl:{getter:function(e){return e=null===e?M.cfg.wwwroot+"/course/ajax/management.php":e},value:null},dragdrop:{value:null}},s.extend(n,s.Base,n.prototype={categoriesinit:!1,initializer:function(){this.set("element","coursecat-management");var e=this.get("element"),t=e.one("#category-listing"),i=e.one("#course-listing"),o=null,n=null;t&&(o=t.one('.listitem[data-selected="1"]')),i&&(n=i.one('.listitem[data-selected="1"]')),this.set("categorylisting",t),this.set("courselisting",i),this.set("coursedetails",e.one("#course-detail")),o&&this.set("activecategoryid",o.getData("id")),n&&this.set("activecourseid",n.getData("id")),this.initialiseCategories(t),this.initialiseCourses(),i&&this.set("dragdrop",new r({console:this}))},initialiseCategories:function(e){var t;if(!e)return!1;(t=e.one("#menumovecategoriesto"))&&t.setAttribute("disabled",!0),(t=e.one("#menuresortcategoriesby"))&&t.setAttribute("disabled",!0),(t=e.one("#menuresortcoursesby"))&&t.setAttribute("disabled",!0),e.all(".listitem[data-id]").each(function(e){this.set("categories",new i({node:e,console:this})),0},this),this.categoriesinit||(this.get("categorylisting").delegate("click",this.handleCategoryDelegation,"a[data-action]",this),this.get("categorylisting").delegate("click",this.handleCategoryDelegation,'input[name="bcat[]"]',this),this.get("categorylisting").delegate("change",this.handleBulkSortByaction,"#menuselectsortby",this),this.categoriesinit=!0)},initialiseCourses:function(){var e,t=this.getCategoryById(this.get("activecategoryid")),i=this.get("courselisting");if(!i)return!1;(e=i.one("#menumovecoursesto"))&&e.setAttribute("disabled",!0),i.all(".listitem[data-id]").each(function(e){this.registerCourse(new o({node:e,console:this,category:t})),0},this),i.delegate("click",this.handleCourseDelegation,"a[data-action]",this),i.delegate("click",this.handleCourseDelegation,'input[name="bc[]"]',this)},registerCourse:function(e){var t=this.get("courses");t.push(e),this.set("courses",t)},handleCourseDelegation:function(e){var t=e.currentTarget,i=t.getData("action"),t=t.ancestor(".listitem").getData("id"),t=this.getCourseById(t);t&&t.handle(i,e)},handleCategoryDelegation:function(e){var t=e.currentTarget,i=t.getData("action"),t=t.ancestor(".listitem").getData("id"),t=this.getCategoryById(t);t&&t.handle(i,e)},isCourseSelected:function(e){var t,i,o,n=!1;if(e&&e.get("checked"))n=!0;else for(o=(i=this.get("courses")).length,t=0;t<o;t++)if(i.hasOwnProperty(t)&&i[t].get("node").one('input[name="bc[]"]').get("checked")){n=!0;break}return n},isCategorySelected:function(e){var t,i,o,n=!1;if(e&&e.get("checked"))n=!0;else for(o=(i=this.get("categories")).length,t=0;t<o;t++)if(i.hasOwnProperty(t)&&i[t].get("node").one('input[name="bcat[]"]').get("checked")){n=!0;break}return n},handleBulkSortByaction:function(e){var t=this.get("categorylisting").one("#menuresortcategoriesby"),i=this.get("categorylisting").one("#menuresortcoursesby"),o=this.get("categorylisting").one('input[name="bulksort"]'),n=e;n?e&&e.currentTarget&&(n=e.currentTarget):n=this.get("categorylisting").one("#menuselectsortby"),n&&(this.get("categories").length<=1||!this.isCategorySelected()&&"selectedcategories"===n.get("options").item(n.get("selectedIndex")).getAttribute("value")?(t&&t.setAttribute("disabled",!0),i&&i.setAttribute("disabled",!0),o&&o.setAttribute("disabled",!0)):(t&&t.removeAttribute("disabled"),i&&i.removeAttribute("disabled"),o&&o.removeAttribute("disabled")))},getCategoryById:function(e){for(var t,i=this.get("categories"),o=i.length,n=0;n<o;n++)if(i.hasOwnProperty(n)&&(t=i[n]).get("categoryid")===e)return t;return!1},getCourseById:function(e){for(var t,i=this.get("courses"),o=i.length,n=0;n<o;n++)if(i.hasOwnProperty(n)&&(t=i[n]).get("courseid")===e)return t;return!1},removeCourseById:function(e){for(var t=this.get("courses"),i=t.length,o=0;o<i;o++)if(t[o].get("courseid")===e){t.splice(o,1);break}},performAjaxAction:function(e,t,i,o){var n=new s.IO;t.action=e,t.ajax="1",t.sesskey=M.cfg.sesskey,null===i&&(i=function(){}),n.send(this.get("ajaxurl"),{method:"POST",on:{complete:i},context:o,data:t,arguments:t})}}),M.course=M.course||{},M.course.management=M.course.management||{},M.course.management.console=null,M.course.management.init=function(e){M.course.management.console=new n(e)},(r=function(e){n.superclass.constructor.apply(this,[e])}).NAME="moodle-course-management-dd",r.CSS_PREFIX="management-dd",r.ATTRS={console:{writeOnce:"initOnly"}},r.prototype={goingup:!1,lasty:null,previoussibling:null,initializer:function(){var e=this.get("console").get("element"),t=e.one("#category-listing"),i=e.one("#course-listing > .course-listing"),t=t?t.one("ul.ml"):null,o=i?i.one("ul.ml"):null,i=!!i&&i.getData("canmoveoutof"),n=i?e:o;if(!o)return!1;for(;0===n.get("scrollHeight")&&!n.compareTo(window.document.body);)n=n.get("parentNode");o.all("> li").each(function(e){this.initCourseListing(e,n)},this),o.setData("dd",new s.DD.Drop({node:o})),i&&t&&t.all("li > div").each(function(e){this.initCategoryListitem(e)},this),s.DD.DDM.on("drag:start",this.dragStart,this),s.DD.DDM.on(
+"drag:end",this.dragEnd,this),s.DD.DDM.on("drag:drag",this.dragDrag,this),s.DD.DDM.on("drop:over",this.dropOver,this),s.DD.DDM.on("drop:enter",this.dropEnter,this),s.DD.DDM.on("drop:exit",this.dropExit,this),s.DD.DDM.on("drop:hit",this.dropHit,this)},initCourseListing:function(e,t){e.setData("dd",new s.DD.Drag({node:e,target:{padding:"0 0 0 20"}}).addHandle(".drag-handle").plug(s.Plugin.DDProxy,{moveOnEnd:!1,borderStyle:!1}).plug(s.Plugin.DDConstrained,{constrain2node:t}))},initCategoryListitem:function(e){e.setData("dd",new s.DD.Drop({node:e}))},dragStart:function(e){var e=e.target,t=e.get("node"),e=e.get("dragNode");t.addClass("course-being-dragged"),e.addClass("course-being-dragged-proxy").set("innerHTML",t.one("a.coursename").get("innerHTML")),this.previoussibling=t.get("previousSibling")},dragEnd:function(e){e.target.get("node").removeClass("course-being-dragged"),this.get("console").get("element").all("#category-listing li.highlight").removeClass("highlight")},dragDrag:function(e){e=e.target.lastXY[1];e<this.lasty?this.goingup=!0:this.goingup=!1,this.lasty=e},dropOver:function(e){var t=e.drag.get("node"),i=e.drop.get("node");if("li"===i.get("tagName").toLowerCase()&&i.hasClass("listitem-course")){if(!this.goingup&&!(i=i.get("nextSibling")))return(i=e.drop.get("node")).get("parentNode").append(t),!1;i.get("parentNode").insertBefore(t,i),e.drop.sizeShim()}},dropEnter:function(e){e=e.drop.get("node");"div"===e.get("tagName").toLowerCase()&&e.ancestor("li.listitem-category").addClass("highlight")},dropExit:function(e){e=e.drop.get("node");"div"===e.get("tagName").toLowerCase()&&e.ancestor("li.listitem-category").removeClass("highlight")},dropHit:function(e){var t,i,o=e.drag.get("node"),e=e.drop.get("node"),n=null!==e.ancestor(".listitem-category"),s=!n&&e.test(".listitem-course"),r=this.get("console");if(!o.test(".listitem-course"))return!1;t=o.getData("id"),n?(n=e.ancestor(".listitem-category").getData("id"),(n=r.getCategoryById(n))&&(i=r.getCourseById(t))&&n.moveCourseTo(i)):(s||e.ancestor("#course-listing"))&&(i=r.getCourseById(t),(s=(n=o.get("previousSibling"))&&n.getData("id")||0)!==(e=this.previoussibling?this.previoussibling.getData("id"):0)&&i.moveAfter(s,e))}},s.extend(r,s.Base,r.prototype),(t=function(){t.superclass.constructor.apply(this,arguments)}).NAME="moodle-course-management-item",t.CSS_PREFIX="management-item",t.ATTRS={node:{},console:{},itemname:{value:"item"}},s.extend(t,s.Base,t.prototype={highlighttimeout:null,checkAjaxResponse:function(e,t,i){if(200!==t.status)return!1;if(null===e||null===i)return!1;e=s.JSON.parse(t.responseText);return!1!==e.error&&new M.core.exception(e),!1!==e.outcome&&e},moveup:function(e,t,i){var o,n;if(!1===this.checkAjaxResponse(e,t,i))return!1;(t=(e=this.get("node")).previous(".listitem"))?(t.insert(e,"before"),i=t.one(" > div a.action-moveup"),n=e.one(" > div a.action-movedown"),i&&n||(o=e.one(" > div a.action-moveup"),t=t.one(" > div a.action-movedown"),i||n?n||o.insert(t,"after"):(i=s.Node.create('<a style="visibility:hidden;">&nbsp;</a>'),t.replace(i),o.replace(t),i.replace(o),i.destroy())),(o=e.one(" > div a.action-moveup"))?o.focus():(n=e.one(" > div a.action-movedown"))&&n.focus(),this.updated(!0)):window.location.reload()},movedown:function(e,t,i){var o,n;if(!1===this.checkAjaxResponse(e,t,i))return!1;(t=(e=this.get("node")).next(".listitem"))?(e.insert(t,"before"),i=t.one(" > div a.action-movedown"),o=e.one(" > div a.action-moveup"),i&&o||(t=t.one(" > div a.action-moveup"),n=e.one(" > div a.action-movedown"),i||o?o||n.insert(t,"before"):(i=s.Node.create('<a style="visibility:hidden;">&nbsp;</a>'),t.replace(i),n.replace(t),i.replace(n),i.destroy())),(n=e.one(" > div a.action-movedown"))?n.focus():(o=e.one(" > div a.action-moveup"))&&o.focus(),this.updated(!0)):window.location.reload()},show:function(e,t,i){if(!1===this.checkAjaxResponse(e,t,i))return!1;this.markVisible(),(e=this.get("node").one("a[data-action=hide]"))&&e.focus(),this.updated()},markVisible:function(){return this.get("node").setAttribute("data-visible","1"),!0},hide:function(e,t,i){if(!1===this.checkAjaxResponse(e,t,i))return!1;this.markHidden(),(e=this.get("node").one("a[data-action=show]"))&&e.focus(),this.updated()},markHidden:function(){return this.get("node").setAttribute("data-visible","0"),!0},updated:function(e){e&&this.highlight()},highlight:function(){var e=this.get("node");e.siblings(".highlight").removeClass("highlight"),e.addClass("highlight"),this.highlighttimeout&&window.clearTimeout(this.highlighttimeout),this.highlighttimeout=window.setTimeout(function(){e.removeClass("highlight")},2500)}}),(i=function(){i.superclass.constructor.apply(this,arguments)}).NAME="moodle-course-management-category",i.CSS_PREFIX="management-category",i.ATTRS={categoryid:{getter:function(e,t){return null===e&&(e=this.get("node").getData("id"),this.set(t,e)),e},value:null,writeOnce:!0},selected:{getter:function(e,t){return null===e&&(e=this.get("node").getData(t),this.set(t,e=null===e?!1:e)),e},value:null},courses:{validator:function(e){return s.Lang.isArray(e)},value:[]}},i.prototype={initializer:function(){this.set("itemname","category")},getName:function(){return this.get("node").one("a.categoryname").get("innerHTML")},registerCourse:function(e){var t=this.get("courses");t.push(e),this.set("courses",t)},handle:function(e,t){var i,o,n={categoryid:this.get("categoryid")},s=this.get("console").get("activecategoryid");switch(s&&s!==n.categoryid&&(n.selectedcategory=s),e){case"moveup":t.preventDefault(),this.get("console").performAjaxAction("movecategoryup",n,this.moveup,this);break;case"movedown":t.preventDefault(),this.get("console").performAjaxAction("movecategorydown",n,this.movedown,this);break;case"show":t.preventDefault(),this.get("console").performAjaxAction("showcategory",n,this.show,this);break;case"hide":t.preventDefault(),this.get("console").performAjaxAction("hidecategory",n,this.hide,this);break;case"expand":t.preventDefault(),"0"===this.get("node").getData(
+"expanded")&&(this.get("node").setAttribute("data-expanded","1").setData("expanded","true"),this.get("console").performAjaxAction("getsubcategorieshtml",n,this.loadSubcategories,this)),this.expand();break;case"collapse":t.preventDefault(),this.collapse();break;case"select":(o=(i=this.get("console")).get("categorylisting").one("#menumovecategoriesto"))&&(i.isCategorySelected(t.currentTarget)&&1<i.get("categories").length?o.removeAttribute("disabled"):o.setAttribute("disabled",!0),i.handleBulkSortByaction());break;default:return!1}},expand:function(){var e=this.get("node"),o=e.one("a[data-action=expand]"),t=e.one("ul[role=group]");e.removeClass("collapsed").setAttribute("aria-expanded","true"),o.setAttribute("data-action","collapse").setAttrs({title:M.util.get_string("collapsecategory","moodle",this.getName())}),require(["core/str","core/templates","core/notification"],function(e,t,i){e.get_string("collapse","core").then(function(e){return t.renderPix("t/switch_minus","core",e)}).then(function(e){return e=s.Node.create(e).addClass("tree-icon").getDOMNode().outerHTML,o.set("innerHTML",e)}).fail(i.exception)}),t&&t.setAttribute("aria-hidden","false"),this.get("console").performAjaxAction("expandcategory",{categoryid:this.get("categoryid")},null,this)},collapse:function(){var e=this.get("node"),o=e.one("a[data-action=collapse]"),t=e.one("ul[role=group]");e.addClass("collapsed").setAttribute("aria-expanded","false"),o.setAttribute("data-action","expand").setAttrs({title:M.util.get_string("expandcategory","moodle",this.getName())}),require(["core/str","core/templates","core/notification"],function(e,t,i){e.get_string("expand","core").then(function(e){return t.renderPix("t/switch_plus","core",e)}).then(function(e){return e=s.Node.create(e).addClass("tree-icon").getDOMNode().outerHTML,o.set("innerHTML",e)}).fail(i.exception)}),t&&t.setAttribute("aria-hidden","true"),this.get("console").performAjaxAction("collapsecategory",{categoryid:this.get("categoryid")},null,this)},loadSubcategories:function(e,t,i){var e=this.checkAjaxResponse(e,t,i),t=this.get("node"),i=this.get("console");return!1!==e&&(t.append(e.html),i.initialiseCategories(t),M.core&&M.core.actionmenu&&M.core.actionmenu.newDOMNode&&M.core.actionmenu.newDOMNode(t),e=t.one("ul[role=group]"),i=t.one("a[data-action=collapse]"),e&&i&&i.setAttribute("aria-controls",e.generateID()),!0)},moveCourseTo:function(t){var i=this;s.use("moodle-core-notification-confirm",function(){var e=new M.core.confirm({title:M.util.get_string("confirm","moodle"),question:M.util.get_string("confirmcoursemove","moodle",{course:t.getName(),category:i.getName()}),yesLabel:M.util.get_string("move","moodle"),noLabel:M.util.get_string("cancel","moodle")});e.on("complete-yes",function(){e.hide(),e.destroy(),this.get("console").performAjaxAction("movecourseintocategory",{categoryid:this.get("categoryid"),courseid:t.get("courseid")},this.completeMoveCourse,this)},i),e.show()})},completeMoveCourse:function(e,t,i){var o,n,e=this.checkAjaxResponse(e,t,i),t=this.get("console");return!1!==e&&(!!(i=t.getCourseById(i.courseid))&&(this.highlight(),i&&(e.paginationtotals&&(n=t.get("courselisting").one(".listing-pagination-totals"))&&n.set("innerHTML",e.paginationtotals),"undefined"!==e.totalcatcourses&&(n=this.get("node").one(".course-count span"))&&n.set("innerHTML",n.get("innerHTML").replace(/^\d+/,e.totalcatcourses)),"undefined"!=typeof e.fromcatcoursecount&&(o=t.get("activecategoryid"),(o=t.getCategoryById(o))&&(n=o.get("node").one(".course-count span"))&&n.set("innerHTML",n.get("innerHTML").replace(/^\d+/,e.fromcatcoursecount))),i.remove()),!0))},show:function(e,t,i){e=this.checkAjaxResponse(e,t,i);if(!1===e)return!1;this.markVisible(),(t=this.get("node").one("a[data-action=hide]"))&&t.focus(),e.categoryvisibility&&this.updateChildVisibility(e.categoryvisibility),e.coursevisibility&&this.updateCourseVisiblity(e.coursevisibility),this.updated()},hide:function(e,t,i){e=this.checkAjaxResponse(e,t,i);if(!1===e)return!1;this.markHidden(),(t=this.get("node").one("a[data-action=show]"))&&t.focus(),e.categoryvisibility&&this.updateChildVisibility(e.categoryvisibility),e.coursevisibility&&this.updateCourseVisiblity(e.coursevisibility),this.updated()},updateCourseVisiblity:function(e){var t,i,o=this.get("console");try{for(t in e)"object"==typeof e[t]&&(i=o.getCourseById(e[t].id))&&("1"===e[t].visible?i.markVisible():i.markHidden())}catch(n){}return this},updateChildVisibility:function(e){var t,i,o=this.get("console");try{for(t in e)"object"==typeof e[t]&&(i=o.getCategoryById(e[t].id))&&("1"===e[t].visible?i.markVisible():i.markHidden())}catch(n){}return this}},s.extend(i,t,i.prototype),(o=function(){o.superclass.constructor.apply(this,arguments)}).NAME="moodle-course-management-course",o.CSS_PREFIX="management-course",o.ATTRS={courseid:{},selected:{getter:function(e,t){return null===e&&(e=this.get("node").getData(t),this.set(t,e)),e},value:null},node:{},console:{writeOnce:"initOnly"},category:{writeOnce:"initOnly"}},o.prototype={initializer:function(){var e=this.get("node"),t=this.get("category");this.set("courseid",e.getData("id")),t&&t.registerCourse&&t.registerCourse(this),this.set("itemname","course")},getName:function(){return this.get("node").one("a.coursename").get("innerHTML")},handle:function(e,t){var i,o,n=this.get("console"),s={courseid:this.get("courseid")};switch(e){case"moveup":t.halt(),n.performAjaxAction("movecourseup",s,this.moveup,this);break;case"movedown":t.halt(),n.performAjaxAction("movecoursedown",s,this.movedown,this);break;case"show":t.halt(),n.performAjaxAction("showcourse",s,this.show,this);break;case"hide":t.halt(),n.performAjaxAction("hidecourse",s,this.hide,this);break;case"select":(o=(i=this.get("console")).get("courselisting").one("#menumovecoursesto"))&&(i.isCourseSelected(t.currentTarget)?o.removeAttribute("disabled"):o.setAttribute("disabled",!0));break;default:return!1}},remove:function(){this.get("console").removeCourseById(this.get("courseid")),
+this.get("node").remove()},moveAfter:function(e,t){var i=this.get("console"),e={courseid:this.get("courseid"),moveafter:e,previous:t};i.performAjaxAction("movecourseafter",e,this.moveAfterResponse,this)},moveAfterResponse:function(e,t,i){var e=this.checkAjaxResponse(e,t,i),t=this.get("node");if(!1===e)return(e=t.ancestor("ul").one("li[data-id="+i.previous+"]"))?e.insertAfter(t,"after"):t.ancestor("ul").one("li").insert(t,"before"),!1;this.highlight()}},s.extend(o,t,o.prototype)},"@VERSION@",{requires:["base","node","io-base","moodle-core-notification-exception","json-parse","dd-constrain","dd-proxy","dd-drop","dd-delegate","node-event-delegate"]});
\ No newline at end of file
diff --git a/course/yui/build/moodle-course-util-cm/moodle-course-util-cm-min.js b/course/yui/build/moodle-course-util-cm/moodle-course-util-cm-min.js
index d780808baaa..72481dde408 100644
--- a/course/yui/build/moodle-course-util-cm/moodle-course-util-cm-min.js
+++ b/course/yui/build/moodle-course-util-cm/moodle-course-util-cm-min.js
@@ -1 +1 @@
-YUI.add("moodle-course-util-cm",function(t,e){t.namespace("Moodle.core_course.util.cm"),t.Moodle.core_course.util.cm={CONSTANTS:{MODULEIDPREFIX:"module-"},SELECTORS:{COURSEMODULE:".activity",INSTANCENAME:".instancename"},getCourseModuleFromComponent:function(e){return t.one(e).ancestor(this.SELECTORS.COURSEMODULE,!0)},getId:function(e){var t=e.get("id").replace(this.CONSTANTS.MODULEIDPREFIX,"");return!("number"!=typeof(t=parseInt(t,10))||!isFinite(t))&&t},getName:function(e){var t=e.one(this.SELECTORS.INSTANCENAME);return t?t.get("firstChild").get("data"):null}}},"@VERSION@",{requires:["node","moodle-course-util-base"]});
\ No newline at end of file
+YUI.add("moodle-course-util-cm",function(t,e){t.namespace("Moodle.core_course.util.cm"),t.Moodle.core_course.util.cm={CONSTANTS:{MODULEIDPREFIX:"module-"},SELECTORS:{COURSEMODULE:".activity",INSTANCENAME:".instancename"},getCourseModuleFromComponent:function(e){return t.one(e).ancestor(this.SELECTORS.COURSEMODULE,!0)},getId:function(e){e=e.get("id").replace(this.CONSTANTS.MODULEIDPREFIX,"");return!("number"!=typeof(e=parseInt(e,10))||!isFinite(e))&&e},getName:function(e){e=e.one(this.SELECTORS.INSTANCENAME);return e?e.get("firstChild").get("data"):null}}},"@VERSION@",{requires:["node","moodle-course-util-base"]});
\ No newline at end of file
diff --git a/course/yui/build/moodle-course-util-section/moodle-course-util-section-min.js b/course/yui/build/moodle-course-util-section/moodle-course-util-section-min.js
index eed14423e57..5f30079719c 100644
--- a/course/yui/build/moodle-course-util-section/moodle-course-util-section-min.js
+++ b/course/yui/build/moodle-course-util-section/moodle-course-util-section-min.js
@@ -1 +1 @@
-YUI.add("moodle-course-util-section",function(e,o){e.namespace("Moodle.core_course.util.section"),e.Moodle.core_course.util.section={CONSTANTS:{SECTIONIDPREFIX:"section-"},getId:function(e){var o=e.get("id").replace(this.CONSTANTS.SECTIONIDPREFIX,"");return!("number"!=typeof(o=parseInt(o,10))||!isFinite(o))&&o}}},"@VERSION@",{requires:["node","moodle-course-util-base"]});
\ No newline at end of file
+YUI.add("moodle-course-util-section",function(e,o){e.namespace("Moodle.core_course.util.section"),e.Moodle.core_course.util.section={CONSTANTS:{SECTIONIDPREFIX:"section-"},getId:function(e){e=e.get("id").replace(this.CONSTANTS.SECTIONIDPREFIX,"");return!("number"!=typeof(e=parseInt(e,10))||!isFinite(e))&&e}}},"@VERSION@",{requires:["node","moodle-course-util-base"]});
\ No newline at end of file
diff --git a/enrol/manual/amd/build/quickenrolment.min.js b/enrol/manual/amd/build/quickenrolment.min.js
index 413250c7e59..43698935133 100644
--- a/enrol/manual/amd/build/quickenrolment.min.js
+++ b/enrol/manual/amd/build/quickenrolment.min.js
@@ -1,2 +1,2 @@
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diff --git a/enrol/manual/amd/build/quickenrolment.min.js.map b/enrol/manual/amd/build/quickenrolment.min.js.map
index 826f59ceb4b..ed1942e5b69 100644
--- a/enrol/manual/amd/build/quickenrolment.min.js.map
+++ b/enrol/manual/amd/build/quickenrolment.min.js.map
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Quick enrolment AMD module.\n *\n * @module     enrol_manual/quickenrolment\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Str from 'core/str';\nimport * as Toast from 'core/toast';\nimport Config from 'core/config';\nimport Fragment from 'core/fragment';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport jQuery from 'jquery';\nimport Pending from 'core/pending';\nimport Prefetch from 'core/prefetch';\n\nconst Selectors = {\n    cohortSelector: \"#id_cohortlist\",\n    triggerButtons: \".enrolusersbutton.enrol_manual_plugin [type='submit']\",\n    unwantedHiddenFields: \"input[value='_qf__force_multiselect_submission']\",\n    buttonWrapper: '[data-region=\"wrapper\"]',\n};\n\n/**\n * 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serialize functionality.\n    const form = modal.getRoot().find('form');\n\n    // Before send the data through AJAX, we need to parse and remove some unwanted hidden fields.\n    // This hidden fields are added automatically by mforms and when it reaches the AJAX we get an error.\n    form.get(0).querySelectorAll(Selectors.unwantedHiddenFields).forEach(hiddenField => hiddenField.remove());\n\n    modal.hide();\n    modal.destroy();\n\n    jQuery.ajax(\n        `${Config.wwwroot}/enrol/manual/ajax.php?${form.serialize()}`,\n        {\n            type: 'GET',\n            processData: false,\n            contentType: \"application/json\",\n        }\n    )\n    .then(response => {\n        if (response.error) {\n            throw new Error(response.error);\n        }\n\n        return response.count;\n    })\n    .then(count => {\n        return Promise.all([\n            Str.get_string('totalenrolledusers', 'enrol', count),\n            DynamicTable.refreshTableContent(dynamicTable),\n        ]);\n    })\n    .then(([notificationBody]) => notificationBody)\n    .then(notificationBody => Toast.add(notificationBody))\n    .catch(error => {\n        Notification.addNotification({\n            message: error.message,\n            type: 'error',\n        });\n    });\n};\n\n/**\n * Set up quick enrolment for the manual enrolment plugin.\n *\n * @param {Number} contextid The context id to setup for\n */\nexport const init = ({contextid}) => {\n    registerEventListeners(contextid);\n\n    Prefetch.prefetchStrings('enrol_manual', [\n        'enrolusers',\n        'enroluserscohorts',\n    ]);\n\n    Prefetch.prefetchString('enrol', 'totalenrolledusers');\n};\n"],"file":"quickenrolment.min.js"}
\ No newline at end of file
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Quick enrolment AMD module.\n *\n * @module     enrol_manual/quickenrolment\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Str from 'core/str';\nimport * as Toast from 'core/toast';\nimport Config from 'core/config';\nimport Fragment from 'core/fragment';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport jQuery from 'jquery';\nimport Pending from 'core/pending';\nimport Prefetch from 'core/prefetch';\n\nconst Selectors = {\n    cohortSelector: \"#id_cohortlist\",\n    triggerButtons: \".enrolusersbutton.enrol_manual_plugin [type='submit']\",\n    unwantedHiddenFields: \"input[value='_qf__force_multiselect_submission']\",\n    buttonWrapper: '[data-region=\"wrapper\"]',\n};\n\n/**\n * Get the content of the body for the specified context.\n *\n * @param {Number} contextId\n * @returns {Promise}\n */\nconst getBodyForContext = contextId => {\n    return Fragment.loadFragment('enrol_manual', 'enrol_users_form', contextId, {});\n};\n\n/**\n * Get the dynamic table for the button.\n *\n * @param {HTMLElement} element\n * @returns {HTMLElement}\n */\nconst getDynamicTableForElement = element => {\n    const wrapper = element.closest(Selectors.buttonWrapper);\n\n    return DynamicTable.getTableFromId(wrapper.dataset.tableUniqueid);\n};\n\n/**\n * Register the event listeners for this contextid.\n *\n * @param {Number} contextId\n */\nconst registerEventListeners = contextId => {\n    document.addEventListener('click', e => {\n        if (e.target.closest(Selectors.triggerButtons)) {\n            e.preventDefault();\n\n            showModal(getDynamicTableForElement(e.target), contextId);\n\n            return;\n        }\n    });\n};\n\n/**\n * Display the modal for this contextId.\n *\n * @param {HTMLElement} dynamicTable The table to beb refreshed when changes are made\n * @param {Number} contextId\n * @returns {Promise}\n */\nconst showModal = (dynamicTable, contextId) => {\n    const pendingPromise = new Pending('enrol_manual/quickenrolment:showModal');\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        large: true,\n        title: Str.get_string('enrolusers', 'enrol_manual'),\n        body: getBodyForContext(contextId),\n        buttons: {\n            save: Str.get_string('enrolusers', 'enrol_manual'),\n        }\n    })\n    .then(modal => {\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Trigger a form submission, so that any mform elements can do final tricks before the form submission\n            // is processed.\n            // The actual submit even tis captured in the next handler.\n\n            e.preventDefault();\n            modal.getRoot().find('form').submit();\n        });\n\n        modal.getRoot().on('submit', 'form', e => {\n            e.preventDefault();\n\n            submitFormAjax(dynamicTable, modal);\n        });\n\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            modal.destroy();\n        });\n\n        modal.show();\n\n        return modal;\n    })\n    .then(modal => Promise.all([modal, modal.getBodyPromise()]))\n    .then(([modal, body]) => {\n        if (body.get(0).querySelector(Selectors.cohortSelector)) {\n            return modal.setSaveButtonText(Str.get_string('enroluserscohorts', 'enrol_manual')).then(() => modal);\n        }\n\n        return modal;\n    })\n    .then(modal => {\n        pendingPromise.resolve();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Submit the form via ajax.\n *\n * @param {HTMLElement} dynamicTable\n * @param {Object} modal\n */\nconst submitFormAjax = (dynamicTable, modal) => {\n    // Note: We use a jQuery object here so that we can use its serialize functionality.\n    const form = modal.getRoot().find('form');\n\n    // Before send the data through AJAX, we need to parse and remove some unwanted hidden fields.\n    // This hidden fields are added automatically by mforms and when it reaches the AJAX we get an error.\n    form.get(0).querySelectorAll(Selectors.unwantedHiddenFields).forEach(hiddenField => hiddenField.remove());\n\n    modal.hide();\n    modal.destroy();\n\n    jQuery.ajax(\n        `${Config.wwwroot}/enrol/manual/ajax.php?${form.serialize()}`,\n        {\n            type: 'GET',\n            processData: false,\n            contentType: \"application/json\",\n        }\n    )\n    .then(response => {\n        if (response.error) {\n            throw new Error(response.error);\n        }\n\n        return response.count;\n    })\n    .then(count => {\n        return Promise.all([\n            Str.get_string('totalenrolledusers', 'enrol', count),\n            DynamicTable.refreshTableContent(dynamicTable),\n        ]);\n    })\n    .then(([notificationBody]) => notificationBody)\n    .then(notificationBody => Toast.add(notificationBody))\n    .catch(error => {\n        Notification.addNotification({\n            message: error.message,\n            type: 'error',\n        });\n    });\n};\n\n/**\n * Set up quick enrolment for the manual enrolment plugin.\n *\n * @param {Number} contextid The context id to setup for\n */\nexport const init = ({contextid}) => {\n    registerEventListeners(contextid);\n\n    Prefetch.prefetchStrings('enrol_manual', [\n        'enrolusers',\n        'enroluserscohorts',\n    ]);\n\n    Prefetch.prefetchString('enrol', 'totalenrolledusers');\n};\n"],"file":"quickenrolment.min.js"}
\ No newline at end of file
diff --git a/filter/glossary/yui/build/moodle-filter_glossary-autolinker/moodle-filter_glossary-autolinker-min.js b/filter/glossary/yui/build/moodle-filter_glossary-autolinker/moodle-filter_glossary-autolinker-min.js
index de39bb3da3d..20d23ce17fb 100644
--- a/filter/glossary/yui/build/moodle-filter_glossary-autolinker/moodle-filter_glossary-autolinker-min.js
+++ b/filter/glossary/yui/build/moodle-filter_glossary-autolinker/moodle-filter_glossary-autolinker-min.js
@@ -1 +1 @@
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\ No newline at end of file
+YUI.add("moodle-filter_glossary-autolinker",function(c,e){var t=function(){t.superclass.constructor.apply(this,arguments)};c.extend(t,c.Base,{overlay:null,alertpanels:{},initializer:function(){var i=this;require(["core/event"],function(o){c.delegate("click",function(e){e.preventDefault();var n,t=c.Node.create('<div id="glossaryfilteroverlayprogress"></div>'),e=new c.Overlay({headerContent:"",bodyContent:t});window.require(["core/templates"],function(e){e.renderPix("i/loading","core").then(function(e){t.append(e)})}),(i.overlay=e).render(c.one(document.body)),n=this.getAttribute("href").replace("showentry.php","showentry_ajax.php"),c.io(n,{method:"get",context:i,on:{success:function(e,t){this.display_callback(t.responseText,o)},failure:function(e,t){var o=t.statusText;M.cfg.developerdebug&&(t.statusText+=" ("+n+")"),new M.core.exception({message:o})}}})},c.one(document.body),"a.glossary.autolink.concept")})},display_callback:function(e,t){var o,n,i,r,a,l;try{if((o=c.JSON.parse(e)).success){for(n in this.overlay.hide(),o.entries)a=o.entries[n].definition+o.entries[n].attachments,i=new M.core.alert({title:o.entries[n].concept,draggable:!0,message:a,modal:!1,yesLabel:M.util.get_string("ok","moodle")}),t.notifyFilterContentUpdated(i.get("boundingBox").getDOMNode()),c.Node.one("#id_yuialertconfirm-"+i.get("COUNT")).focus(),r="#moodle-dialogue-"+i.get("COUNT"),i.on("complete",this._deletealertpanel,this,r),c.Object.isEmpty(this.alertpanels)||(l=this._getLatestWindowPosition(),c.Node.one(r).setXY([l[0]+10,l[1]+10])),this.alertpanels[r]=c.Node.one(r).getXY();return!0}o.error&&new M.core.ajaxException(o)}catch(s){new M.core.exception(s)}return!1},_getLatestWindowPosition:function(){var t=[0,0];return c.Object.each(this.alertpanels,function(e){e[0]>t[0]&&(t=e)}),t},_deletealertpanel:function(e,t){delete this.alertpanels[t]}},{NAME:"Glossary filter autolinker",ATTRS:{url:{validator:c.Lang.isString,value:M.cfg.wwwroot+"/mod/glossary/showentry.php"},name:{validator:c.Lang.isString,value:"glossaryconcept"},options:{getter:function(){return{width:this.get("width"),height:this.get("height"),menubar:this.get("menubar"),location:this.get("location"),scrollbars:this.get("scrollbars"),resizable:this.get("resizable"),toolbar:this.get("toolbar"),status:this.get("status"),directories:this.get("directories"),fullscreen:this.get("fullscreen"),dependent:this.get("dependent")}},readOnly:!0},width:{value:600},height:{value:450},menubar:{value:!1},location:{value:!1},scrollbars:{value:!0},resizable:{value:!0},toolbar:{value:!0},status:{value:!0},directories:{value:!1},fullscreen:{value:!1},dependent:{value:!0}}}),M.filter_glossary=M.filter_glossary||{},M.filter_glossary.init_filter_autolinking=function(e){return new t(e)}},"@VERSION@",{requires:["base","node","io-base","json-parse","event-delegate","overlay","moodle-core-event","moodle-core-notification-alert","moodle-core-notification-exception","moodle-core-notification-ajaxexception"]});
\ No newline at end of file
diff --git a/filter/mathjaxloader/yui/build/moodle-filter_mathjaxloader-loader/moodle-filter_mathjaxloader-loader-min.js b/filter/mathjaxloader/yui/build/moodle-filter_mathjaxloader-loader/moodle-filter_mathjaxloader-loader-min.js
index 0e36236483a..cc5543015ca 100644
--- a/filter/mathjaxloader/yui/build/moodle-filter_mathjaxloader-loader/moodle-filter_mathjaxloader-loader-min.js
+++ b/filter/mathjaxloader/yui/build/moodle-filter_mathjaxloader-loader/moodle-filter_mathjaxloader-loader-min.js
@@ -1 +1 @@
-YUI.add("moodle-filter_mathjaxloader-loader",function(n,e){M.filter_mathjaxloader=M.filter_mathjaxloader||{_lang:"",_configured:!1,configure:function(e){var t=document.createElement("script");t.type="text/x-mathjax-config",t[window.opera?"innerHTML":"text"]=e.mathjaxconfig,document.getElementsByTagName("head")[0].appendChild(t),this._lang=e.lang,n.on(M.core.event.FILTER_CONTENT_UPDATED,this.contentUpdated,this)},_setLocale:function(){if(!this._configured){var e=this._lang;"undefined"!=typeof window.MathJax&&(window.MathJax.Hub.Queue(function(){window.MathJax.Localization.setLocale(e)}),window.MathJax.Hub.Configured(),this._configured=!0)}},typeset:function(){if(!this._configured){var e=this;n.use("mathjax",function(){e._setLocale(),n.all(".filter_mathjaxloader_equation").each(function(e){"undefined"!=typeof window.MathJax&&window.MathJax.Hub.Queue(["Typeset",window.MathJax.Hub,e.getDOMNode()])})})}},contentUpdated:function(t){var a=this;n.use("mathjax",function(){if("undefined"!=typeof window.MathJax){var e=window.MathJax.Hub.processSectionDelay;window.MathJax.Hub.processSectionDelay=0,window.MathJax.Hub.Config({positionToHash:!1}),a._setLocale(),t.nodes.each(function(e){e.all(".filter_mathjaxloader_equation").each(function(e){window.MathJax.Hub.Queue(["Typeset",window.MathJax.Hub,e.getDOMNode()])})}),window.MathJax.Hub.processSectionDelay=e}})}}},"@VERSION@",{requires:["moodle-core-event"]});
\ No newline at end of file
+YUI.add("moodle-filter_mathjaxloader-loader",function(n,e){M.filter_mathjaxloader=M.filter_mathjaxloader||{_lang:"",_configured:!1,configure:function(e){var t=document.createElement("script");t.type="text/x-mathjax-config",t[window.opera?"innerHTML":"text"]=e.mathjaxconfig,document.getElementsByTagName("head")[0].appendChild(t),this._lang=e.lang,n.on(M.core.event.FILTER_CONTENT_UPDATED,this.contentUpdated,this)},_setLocale:function(){var e;this._configured||(e=this._lang,"undefined"!=typeof window.MathJax&&(window.MathJax.Hub.Queue(function(){window.MathJax.Localization.setLocale(e)}),window.MathJax.Hub.Configured(),this._configured=!0))},typeset:function(){var e;this._configured||(e=this,n.use("mathjax",function(){e._setLocale(),n.all(".filter_mathjaxloader_equation").each(function(e){"undefined"!=typeof window.MathJax&&window.MathJax.Hub.Queue(["Typeset",window.MathJax.Hub,e.getDOMNode()])})}))},contentUpdated:function(t){var a=this;n.use("mathjax",function(){var e;"undefined"!=typeof window.MathJax&&(e=window.MathJax.Hub.processSectionDelay,window.MathJax.Hub.processSectionDelay=0,window.MathJax.Hub.Config({positionToHash:!1}),a._setLocale(),t.nodes.each(function(e){e.all(".filter_mathjaxloader_equation").each(function(e){window.MathJax.Hub.Queue(["Typeset",window.MathJax.Hub,e.getDOMNode()])})}),window.MathJax.Hub.processSectionDelay=e)})}}},"@VERSION@",{requires:["moodle-core-event"]});
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/comparison.min.js b/grade/amd/build/grades/grader/gradingpanel/comparison.min.js
index b5c2fefd781..7492939ee99 100644
--- a/grade/amd/build/grades/grader/gradingpanel/comparison.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/comparison.min.js
@@ -1,2 +1,2 @@
-define ("core_grades/grades/grader/gradingpanel/comparison",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.compareData=a.fillInitialValues=void 0;var b=function(a){Array.prototype.forEach.call(a.elements,function(a){if("submit"===a.type||"button"===a.type){}else if("radio"===a.type||"checkbox"===a.type){a.dataset.initialValue=JSON.stringify(a.checked)}else if("undefined"!=typeof a.value){a.dataset.initialValue=JSON.stringify(a.value)}else if("select-one"===a.type){Array.prototype.forEach.call(a.options,function(a){a.dataset.initialValue=JSON.stringify(a.selected)})}})};a.fillInitialValues=b;a.compareData=function compareData(a){var c=Array.prototype.some.call(a.elements,function(a){if("submit"===a.type||"button"===a.type){return!1}else if("radio"===a.type||"checkbox"===a.type){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.checked)}}else if("undefined"!=typeof a.value){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.value)}}else if("select-one"===a.type){return Array.prototype.some.call(a.options,function(a){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.selected)}return!1})}return!0});b(a);return c}});
+define ("core_grades/grades/grader/gradingpanel/comparison",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.fillInitialValues=a.compareData=void 0;var b=function(a){Array.prototype.forEach.call(a.elements,function(a){if("submit"===a.type||"button"===a.type){}else if("radio"===a.type||"checkbox"===a.type){a.dataset.initialValue=JSON.stringify(a.checked)}else if("undefined"!=typeof a.value){a.dataset.initialValue=JSON.stringify(a.value)}else if("select-one"===a.type){Array.prototype.forEach.call(a.options,function(a){a.dataset.initialValue=JSON.stringify(a.selected)})}})};a.fillInitialValues=b;a.compareData=function compareData(a){var c=Array.prototype.some.call(a.elements,function(a){if("submit"===a.type||"button"===a.type){return!1}else if("radio"===a.type||"checkbox"===a.type){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.checked)}}else if("undefined"!=typeof a.value){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.value)}}else if("select-one"===a.type){return Array.prototype.some.call(a.options,function(a){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.selected)}return!1})}return!0});b(a);return c}});
 //# sourceMappingURL=comparison.min.js.map
diff --git a/grade/amd/build/grades/grader/gradingpanel/normalise.min.js b/grade/amd/build/grades/grader/gradingpanel/normalise.min.js
index 7ee975fe678..5a8c8d50495 100644
--- a/grade/amd/build/grades/grader/gradingpanel/normalise.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/normalise.min.js
@@ -1,2 +1,2 @@
-define ("core_grades/grades/grader/gradingpanel/normalise",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.failedUpdate=a.invalidResult=a.normaliseResult=void 0;a.normaliseResult=function normaliseResult(a){return{result:a,failed:!!a.warnings.length,success:!a.warnings.length,error:null}};a.invalidResult=function invalidResult(){return{success:!1,failed:!1,result:{},error:null}};a.failedUpdate=function failedUpdate(a){return{success:!1,failed:!0,result:{},error:a}}});
+define ("core_grades/grades/grader/gradingpanel/normalise",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.normaliseResult=a.invalidResult=a.failedUpdate=void 0;a.normaliseResult=function normaliseResult(a){return{result:a,failed:!!a.warnings.length,success:!a.warnings.length,error:null}};a.invalidResult=function invalidResult(){return{success:!1,failed:!1,result:{},error:null}};a.failedUpdate=function failedUpdate(a){return{success:!1,failed:!0,result:{},error:a}}});
 //# sourceMappingURL=normalise.min.js.map
diff --git a/grade/amd/build/grades/grader/gradingpanel/point.min.js b/grade/amd/build/grades/grader/gradingpanel/point.min.js
index 1042e337e47..153fbefce1a 100644
--- a/grade/amd/build/grades/grader/gradingpanel/point.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/point.min.js
@@ -1,2 +1,2 @@
-define ("core_grades/grades/grader/gradingpanel/point",["exports","./repository","core_grades/grades/grader/gradingpanel/comparison","jquery","./normalise"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;d=function(a){return a&&a.__esModule?a:{default:a}}(d);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var i=a.apply(b,c);function g(a){f(i,d,e,g,h,"next",a)}function h(a){f(i,d,e,g,h,"throw",a)}g(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(){return(0,b.fetchGrade)("point").apply(void 0,arguments)};var h=function(){var a=g(regeneratorRuntime.mark(function a(f,g,h,i,j,k){var l,m;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:l=k.querySelector("form");m=l.querySelector("input[name=\"grade\"]");if(!(!m.checkValidity()||!m.value.trim())){a.next=4;break}return a.abrupt("return",e.invalidResult);case 4:if(!(!0===(0,c.compareData)(l))){a.next=10;break}a.next=7;return(0,b.saveGrade)("point")(f,g,h,i,j,(0,d.default)(l).serialize());case 7:return a.abrupt("return",a.sent);case 10:return a.abrupt("return","");case 11:case"end":return a.stop();}}},a)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
+define ("core_grades/grades/grader/gradingpanel/point",["exports","./repository","core_grades/grades/grader/gradingpanel/comparison","jquery","./normalise"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;d=function(a){return a&&a.__esModule?a:{default:a}}(d);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var g=a.apply(b,c);function h(a){f(g,d,e,h,i,"next",a)}function i(a){f(g,d,e,h,i,"throw",a)}h(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(){return(0,b.fetchGrade)("point").apply(void 0,arguments)};var h=function(){var a=g(regeneratorRuntime.mark(function k(a,f,g,h,i,j){var l,m;return regeneratorRuntime.wrap(function(k){while(1){switch(k.prev=k.next){case 0:l=j.querySelector("form");m=l.querySelector("input[name=\"grade\"]");if(!(!m.checkValidity()||!m.value.trim())){k.next=4;break}return k.abrupt("return",e.invalidResult);case 4:if(!(!0===(0,c.compareData)(l))){k.next=10;break}k.next=7;return(0,b.saveGrade)("point")(a,f,g,h,i,(0,d.default)(l).serialize());case 7:return k.abrupt("return",k.sent);case 10:return k.abrupt("return","");case 11:case"end":return k.stop();}}},k)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
 //# sourceMappingURL=point.min.js.map
diff --git a/grade/amd/build/grades/grader/gradingpanel/repository.min.js b/grade/amd/build/grades/grader/gradingpanel/repository.min.js
index 7e4a27b9adc..30c76a4b2a3 100644
--- a/grade/amd/build/grades/grader/gradingpanel/repository.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/repository.min.js
@@ -1,2 +1,2 @@
-define ("core_grades/grades/grader/gradingpanel/repository",["exports","core/ajax","./normalise"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.saveGrade=a.fetchGrade=void 0;function d(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function e(a){return function(){var b=this,c=arguments;return new Promise(function(e,f){var i=a.apply(b,c);function g(a){d(i,e,f,g,h,"next",a)}function h(a){d(i,e,f,g,h,"throw",a)}g(void 0)})}}a.fetchGrade=function fetchGrade(a){return function(c,d,e,f){return(0,b.call)([{methodname:"core_grades_grader_gradingpanel_".concat(a,"_fetch"),args:{component:c,contextid:d,itemname:e,gradeduserid:f}}])[0]}};a.saveGrade=function saveGrade(a){return function(){var d=e(regeneratorRuntime.mark(function d(e,f,g,h,i,j){return regeneratorRuntime.wrap(function(d){while(1){switch(d.prev=d.next){case 0:d.t0=c.normaliseResult;d.next=3;return(0,b.call)([{methodname:"core_grades_grader_gradingpanel_".concat(a,"_store"),args:{component:e,contextid:f,itemname:g,gradeduserid:h,notifyuser:i,formdata:j}}])[0];case 3:d.t1=d.sent;return d.abrupt("return",(0,d.t0)(d.t1));case 5:case"end":return d.stop();}}},d)}));return function(){return d.apply(this,arguments)}}()}});
+define ("core_grades/grades/grader/gradingpanel/repository",["exports","core/ajax","./normalise"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.saveGrade=a.fetchGrade=void 0;function d(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function e(a){return function(){var b=this,c=arguments;return new Promise(function(e,f){var g=a.apply(b,c);function h(a){d(g,e,f,h,i,"next",a)}function i(a){d(g,e,f,h,i,"throw",a)}h(void 0)})}}a.fetchGrade=function fetchGrade(a){return function(c,d,e,f){return(0,b.call)([{methodname:"core_grades_grader_gradingpanel_".concat(a,"_fetch"),args:{component:c,contextid:d,itemname:e,gradeduserid:f}}])[0]}};a.saveGrade=function saveGrade(a){return function(){var d=e(regeneratorRuntime.mark(function j(d,e,f,g,h,i){return regeneratorRuntime.wrap(function(j){while(1){switch(j.prev=j.next){case 0:j.t0=c.normaliseResult;j.next=3;return(0,b.call)([{methodname:"core_grades_grader_gradingpanel_".concat(a,"_store"),args:{component:d,contextid:e,itemname:f,gradeduserid:g,notifyuser:h,formdata:i}}])[0];case 3:j.t1=j.sent;return j.abrupt("return",(0,j.t0)(j.t1));case 5:case"end":return j.stop();}}},j)}));return function(){return d.apply(this,arguments)}}()}});
 //# sourceMappingURL=repository.min.js.map
diff --git a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js
index f156e91bcaf..c29e00ec64c 100644
--- a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js
+++ b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js
@@ -1,2 +1,2 @@
-define ("gradingform_guide/grades/grader/gradingpanel",["exports","core/ajax","core_grades/grades/grader/gradingpanel/normalise","core_grades/grades/grader/gradingpanel/comparison","jquery"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;e=function(a){return a&&a.__esModule?a:{default:a}}(e);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var i=a.apply(b,c);function g(a){f(i,d,e,g,h,"next",a)}function h(a){f(i,d,e,g,h,"throw",a)}g(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(a,c,d,e){return(0,b.call)([{methodname:"gradingform_guide_grader_gradingpanel_fetch",args:{component:a,contextid:c,itemname:d,gradeduserid:e}}])[0]};var h=function(){var a=g(regeneratorRuntime.mark(function a(f,g,h,i,j,k){var l;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:l=k.querySelector("form");if(!(!0===(0,d.compareData)(l))){a.next=9;break}a.t0=c.normaliseResult;a.next=5;return(0,b.call)([{methodname:"gradingform_guide_grader_gradingpanel_store",args:{component:f,contextid:g,itemname:h,gradeduserid:i,notifyuser:j,formdata:(0,e.default)(l).serialize()}}])[0];case 5:a.t1=a.sent;return a.abrupt("return",(0,a.t0)(a.t1));case 9:return a.abrupt("return","");case 10:case"end":return a.stop();}}},a)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
+define ("gradingform_guide/grades/grader/gradingpanel",["exports","core/ajax","core_grades/grades/grader/gradingpanel/normalise","core_grades/grades/grader/gradingpanel/comparison","jquery"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;e=function(a){return a&&a.__esModule?a:{default:a}}(e);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var g=a.apply(b,c);function h(a){f(g,d,e,h,i,"next",a)}function i(a){f(g,d,e,h,i,"throw",a)}h(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(a,c,d,e){return(0,b.call)([{methodname:"gradingform_guide_grader_gradingpanel_fetch",args:{component:a,contextid:c,itemname:d,gradeduserid:e}}])[0]};var h=function(){var a=g(regeneratorRuntime.mark(function k(a,f,g,h,i,j){var l;return regeneratorRuntime.wrap(function(k){while(1){switch(k.prev=k.next){case 0:l=j.querySelector("form");if(!(!0===(0,d.compareData)(l))){k.next=9;break}k.t0=c.normaliseResult;k.next=5;return(0,b.call)([{methodname:"gradingform_guide_grader_gradingpanel_store",args:{component:a,contextid:f,itemname:g,gradeduserid:h,notifyuser:i,formdata:(0,e.default)(l).serialize()}}])[0];case 5:k.t1=k.sent;return k.abrupt("return",(0,k.t0)(k.t1));case 9:return k.abrupt("return","");case 10:case"end":return k.stop();}}},k)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
 //# sourceMappingURL=gradingpanel.min.js.map
diff --git a/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js b/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js
index ab57c1aecb0..c45e715d3bb 100644
--- a/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js
+++ b/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js
@@ -1,2 +1,2 @@
-define ("gradingform_rubric/grades/grader/gradingpanel",["exports","core/ajax","core_grades/grades/grader/gradingpanel/normalise","core_grades/grades/grader/gradingpanel/comparison","jquery"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;e=function(a){return a&&a.__esModule?a:{default:a}}(e);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var i=a.apply(b,c);function g(a){f(i,d,e,g,h,"next",a)}function h(a){f(i,d,e,g,h,"throw",a)}g(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(a,c,d,e){return(0,b.call)([{methodname:"gradingform_rubric_grader_gradingpanel_fetch",args:{component:a,contextid:c,itemname:d,gradeduserid:e}}])[0]};var h=function(){var a=g(regeneratorRuntime.mark(function a(f,g,h,i,j,k){var l;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:l=k.querySelector("form");if(!(!0===(0,d.compareData)(l))){a.next=9;break}a.t0=c.normaliseResult;a.next=5;return(0,b.call)([{methodname:"gradingform_rubric_grader_gradingpanel_store",args:{component:f,contextid:g,itemname:h,gradeduserid:i,notifyuser:j,formdata:(0,e.default)(l).serialize()}}])[0];case 5:a.t1=a.sent;return a.abrupt("return",(0,a.t0)(a.t1));case 9:return a.abrupt("return","");case 10:case"end":return a.stop();}}},a)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
+define ("gradingform_rubric/grades/grader/gradingpanel",["exports","core/ajax","core_grades/grades/grader/gradingpanel/normalise","core_grades/grades/grader/gradingpanel/comparison","jquery"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;e=function(a){return a&&a.__esModule?a:{default:a}}(e);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var g=a.apply(b,c);function h(a){f(g,d,e,h,i,"next",a)}function i(a){f(g,d,e,h,i,"throw",a)}h(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(a,c,d,e){return(0,b.call)([{methodname:"gradingform_rubric_grader_gradingpanel_fetch",args:{component:a,contextid:c,itemname:d,gradeduserid:e}}])[0]};var h=function(){var a=g(regeneratorRuntime.mark(function k(a,f,g,h,i,j){var l;return regeneratorRuntime.wrap(function(k){while(1){switch(k.prev=k.next){case 0:l=j.querySelector("form");if(!(!0===(0,d.compareData)(l))){k.next=9;break}k.t0=c.normaliseResult;k.next=5;return(0,b.call)([{methodname:"gradingform_rubric_grader_gradingpanel_store",args:{component:a,contextid:f,itemname:g,gradeduserid:h,notifyuser:i,formdata:(0,e.default)(l).serialize()}}])[0];case 5:k.t1=k.sent;return k.abrupt("return",(0,k.t0)(k.t1));case 9:return k.abrupt("return","");case 10:case"end":return k.stop();}}},k)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
 //# sourceMappingURL=gradingpanel.min.js.map
diff --git a/grade/report/grader/yui/build/moodle-gradereport_grader-gradereporttable/moodle-gradereport_grader-gradereporttable-min.js b/grade/report/grader/yui/build/moodle-gradereport_grader-gradereporttable/moodle-gradereport_grader-gradereporttable-min.js
index ff31a3ac1f7..1962179bb3c 100644
--- a/grade/report/grader/yui/build/moodle-gradereport_grader-gradereporttable/moodle-gradereport_grader-gradereporttable-min.js
+++ b/grade/report/grader/yui/build/moodle-gradereport_grader-gradereporttable/moodle-gradereport_grader-gradereporttable-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-gradereport_grader-gradereporttable",function(R,e){var w,h,g,l,H=".avg .header",t="#user-grades .avg .cell",i="td.grade",s=".gradeparent table",o=".gradeparent",p="#user-grades .heading .cell",r="#user-grades tr.heading",a="#studentheader",u="#user-grades .user.cell",_={OVERRIDDEN:"overridden",TOOLTIPACTIVE:"tooltipactive"};function n(){n.superclass.constructor.apply(this,arguments)}function d(){}R.extend(n,R.Base,{_eventHandles:[],graderTable:null,initializer:function(){this.graderRegion=R.one(o),this.graderTable=R.one(s),this.setupFloatingHeaders()},getGradeUserName:function(e){var t=e.ancestor("tr").one("th.user .username");return t?t.get("text"):""},getGradeItemName:function(e){var t=R.one("th.item[data-itemid='"+e.getData("itemid")+"']");return t?t.get("text"):""},getGradeFeedback:function(e){return e.getData("feedback")}}),R.namespace("M.gradereport_grader").ReportTable=n,R.namespace("M.gradereport_grader").init=function(e){return new R.M.gradereport_grader.ReportTable(e)},w="height",h="width",g="offsetWidth",l="offsetHeight",_.FLOATING="floating",d.ATTRS={},d.prototype={pageHeaderHeight:0,container:null,headerCell:null,headerRow:null,firstUserCell:null,firstNonUserCell:null,firstNonUserCellLeft:0,firstNonUserCellWidth:0,tableFooterRow:null,footerRow:null,gradeItemHeadingContainer:null,userColumnHeader:null,userColumn:null,firstUserCellBottom:0,firstUserCellLeft:0,firstUserCellWidth:0,dockWidth:0,lastUserCellTop:0,floatingHeaderRow:null,_eventHandles:[],lastBodyMargin:0,setupFloatingHeaders:function(){return this.firstUserCell=R.one(u),this.container=R.one(o),this.firstNonUserCell=R.one(i),this.firstUserCell?M.cfg.behatsiterunning?void 0:(this._setupFloatingUserColumn(),this._setupFloatingUserHeader(),this._setupFloatingAssignmentHeaders(),this._setupFloatingAssignmentFooter(),this.floatingHeaderRow={},this._setupFloatingLeftHeaders(".controls .controls"),this._setupFloatingLeftHeaders(".range .range"),this._setupFloatingLeftHeaders(H),this._setupFloatingAssignmentFooterTitle(),this._calculateCellPositions(),this._handleScrollEvent(),this._setupEventHandlers(),R.Global.on("moodle-gradereport_grader:resized",this._handleResizeEvent,this),this):this},_calculateCellPositions:function(){var e,t,i,s,o,r;this.headerRowTop=this.headerRow.getY(),this.tableFooterRow&&(this.footerRowPosition=this.tableFooterRow.getY()),this.dockWidth=0,(e=R.one(".has_dock #dock"))&&(this.dockWidth=e.get(g)),t=R.all(u),this.firstUserCellLeft=this.firstUserCell.getX(),this.firstUserCellWidth=this.firstUserCell.get(g),this.firstNonUserCellLeft=this.firstNonUserCell.getX(),this.firstNonUserCellWidth=this.firstNonUserCell.get(g),1<t.size()?(i=t.item(1),this.firstUserCellBottom=i.getY()+parseInt(i.getComputedStyle(w),10),this.lastUserCellTop=t.item(t.size()-2).getY()):(s=t.item(0),this.lastUserCellTop=s.getY(),this.tableFooterRow?this.firstUserCellBottom=this.footerRowPosition+parseInt(this.tableFooterRow.getComputedStyle(w),10):this.firstUserCellBottom=s.getY()+s.get("offsetHeight")),o=R.one("header"),this.pageHeaderHeight=0,o&&("fixed"===o.getComputedStyle("position")?this.pageHeaderHeight=o.get(l):(r=R.one(".navbar"))&&"fixed"===r.getComputedStyle("position")&&(this.pageHeaderHeight=r.get(l)))},_getRelativeXY:function(e){return this._getRelativeXYFromXY(e.getX(),e.getY())},_getRelativeXYFromXY:function(e,t){var i=this.container.getXY();return[e-i[0],t-i[1]]},_getRelativeXFromX:function(e){return this._getRelativeXYFromXY(e,0)[0]},_getRelativeYFromY:function(e){return this._getRelativeXYFromXY(0,e)[1]},_getScrollBarHeight:function(){return!(R.UA.ie&&10<=R.UA.ie)&&R.config.doc.body.scrollWidth>R.config.doc.body.clientWidth?R.DOM.getScrollbarWidth():0},_setupEventHandlers:function(){this._eventHandles.push(R.one(R.config.win).on("scroll",this._handleScrollEvent,this),R.one(R.config.win).on("resize",this._handleResizeEvent,this),R.one(R.config.win).on("orientationchange",this._handleResizeEvent,this),R.Global.on("dock:shown",this._handleResizeEvent,this),R.Global.on("dock:hidden",this._handleResizeEvent,this))},_setupFloatingUserColumn:function(){var e=R.all(u),s=R.Node.create('<div aria-hidden="true" role="presentation" class="floater sideonly"></div>'),t=this._getRelativeXY(this.firstUserCell);e.each(function(e){var t,i=e.getComputedStyle(w);0!==R.UA.ie&&(i=e.get("offsetHeight")-(parseInt(e.getComputedStyle("marginTop"),10)+parseInt(e.getComputedStyle("marginBottom"),10))-(parseInt(e.getComputedStyle("paddingTop"),10)+parseInt(e.getComputedStyle("paddingBottom"),10))-(parseInt(e.getComputedStyle("borderTopWidth"),10)+parseInt(e.getComputedStyle("borderBottomWidth"),10))),(t=R.Node.create("<div></div>")).set("innerHTML",e.get("innerHTML")).setAttribute("class",e.getAttribute("class")).setAttribute("data-uid",e.ancestor("tr").getData("uid")).setStyles({height:i,width:e.getComputedStyle(h)}),s.appendChild(t)},this),s.setStyles({left:t[0]+"px",position:"absolute",top:t[1]+"px"}),this.graderRegion.append(s),this.userColumn=s},_setupFloatingUserHeader:function(){this.headerRow=R.one(r),this.headerCell=R.one(a);var e=R.Node.create('<div aria-hidden="true" role="presentation" class="floater sideonly heading"></div>'),t=R.Node.create("<div></div>"),i=this._getRelativeXY(this.headerCell)[0],s=this._getRelativeXY(this.headerRow),o=s[0];t.set("innerHTML",this.headerCell.getHTML()).setAttribute("class",this.headerCell.getAttribute("class")).setStyles({width:this.firstUserCell.getComputedStyle(h),left:i-o+"px"}),e.setStyles({left:s[0]+"px",position:"absolute",top:s[1]+"px"}),e.append(t),this.graderRegion.append(e),this.userColumnHeader=e},_setupFloatingAssignmentHeaders:function(){var e,s,t,o,r,a;this.headerRow=R.one("#user-grades tr.heading"),e=R.all("#user-grades tr.heading .cell"),s=R.Node.create('<div aria-hidden="true" role="presentation" class="floater heading"></div>'),t=this._getRelativeXY(this.headerRow),a=t[r=o=0],e.each(function(e){var t=this._getRelativeXY(e)[0],i=R.Node.create("<div></div>")
-;i.append(e.getHTML()).setAttribute("class",e.getAttribute("class")).setData("itemid",e.getData("itemid")).setStyles({height:e.getComputedStyle(w),left:t-a+"px",position:"absolute",width:e.getComputedStyle(h)}),o+=parseInt(e.get(g),10),r=e.get(l),s.appendChild(i)},this),s.setStyles({height:r+"px",left:t[0]+"px",position:"absolute",top:t[1]+"px",width:o+"px"}),this.userColumnHeader.insert(s,"before"),this.gradeItemHeadingContainer=s},_setupFloatingAssignmentFooter:function(){var e,s,o,t,r,a;this.tableFooterRow=R.one("#user-grades .avg"),this.tableFooterRow&&(e=this.tableFooterRow.all(".cell"),s=R.Node.create('<div aria-hidden="true" role="presentation" class="floater avg"></div>'),o=0,t=this._getRelativeXY(this.tableFooterRow),r=t[0],a=0,e.each(function(e){var t=R.Node.create("<div></div>"),i=this._getRelativeXY(e)[0];t.set("innerHTML",e.getHTML()).setAttribute("class",e.getAttribute("class")).setStyles({height:e.getComputedStyle(w),left:i-r+"px",position:"absolute",width:e.getComputedStyle(h)}),s.append(t),a=e.get(l),o+=parseInt(e.get(g),10)},this),s.setStyles({position:"absolute",left:t[0]+"px",bottom:"1px",height:a+"px",width:o+"px"}),this.graderRegion.append(s),this.footerRow=s)},_setupFloatingAssignmentFooterTitle:function(){var e=this.floatingHeaderRow[H];e&&e.setStyles({bottom:"1px"})},_setupFloatingLeftHeaders:function(e){var t,i,s,o,r,a=R.one(e);a&&(t=R.Node.create('<div aria-hidden="true" role="presentation" class="floater sideonly"></div>'),i=R.Node.create("<div></div>"),s=this._getRelativeXY(a),o=this.firstUserCell.getComputedStyle(h),r=a.get(l),i.set("innerHTML",a.getHTML()).setAttribute("class",a.getAttribute("class")).setStyles({width:o}),t.setStyles({position:"absolute",top:s[1]+"px",left:s[0]+"px",height:r+"px"}).addClass(a.get("parentNode").get("className")),t.append(i),this.graderRegion.append(t),this.floatingHeaderRow[e]=t)},_handleScrollEvent:function(){var e,t,i,s,o={},r={},a={},l={},n=0,d=0,h=0,g=!1,p=!1,u=!1,f=!1,c={},m={},C=!1,v=0;(v=window.right_to_left()?parseInt(R.one(R.config.doc.body).getComputedStyle("marginRight"),10):parseInt(R.one(R.config.doc.body).getComputedStyle("marginLeft"),10))!=this.lastBodyMargin&&this._calculateCellPositions(),o.left=this._getRelativeXFromX(this.headerRow.getX()),n=R.config.win.pageYOffset+this.pageHeaderHeight>this.headerRowTop?(g=!0,R.config.win.pageYOffset+this.pageHeaderHeight<this.lastUserCellTop?this._getRelativeYFromY(R.config.win.pageYOffset+this.pageHeaderHeight):this._getRelativeYFromY(this.lastUserCellTop)):(g=!1,this._getRelativeYFromY(this.headerRowTop)),o.top=n+"px",r.top=n+"px",f=window.right_to_left()?(h=(d=R.config.win.innerWidth+R.config.win.pageXOffset-this.dockWidth)-this.firstUserCellWidth-v,p=d<this.firstUserCellLeft+this.firstUserCellWidth+v,d-this.firstNonUserCellWidth<this.firstNonUserCellLeft+this.firstUserCellWidth):(p=(d=(h=R.config.win.pageXOffset+v)+this.dockWidth+v)>this.firstUserCellLeft+v,d>this.firstNonUserCellLeft-this.firstUserCellWidth),n=p?this._getRelativeXFromX(h):this._getRelativeXFromX(this.firstUserCellLeft),a.left=n+"px",r.left=n+"px",R.Object.each(this.floatingHeaderRow,function(e,t){c[t]={left:a.left}},this),this.footerRow&&(l.left=this._getRelativeXFromX(this.headerRow.getX()),e=R.config.win.innerHeight,t=R.config.win.pageYOffset,i=e-this._getScrollBarHeight()+t,s=parseInt(this.footerRow.getComputedStyle(w),10)+this.footerRowPosition,m=c[H],C=this.floatingHeaderRow[H],u=i<s&&i>this.firstUserCellBottom?(l.bottom=Math.ceil(s-i)+"px",!0):!(l.bottom="1px"),m&&(m.bottom=l.bottom,m.top=null),c[H]=m),this.gradeItemHeadingContainer&&(this.gradeItemHeadingContainer.setStyles(o),g?this.gradeItemHeadingContainer.addClass(_.FLOATING):this.gradeItemHeadingContainer.removeClass(_.FLOATING)),this.userColumnHeader&&(this.userColumnHeader.setStyles(r),p?this.userColumnHeader.addClass(_.FLOATING):this.userColumnHeader.removeClass(_.FLOATING)),this.userColumn&&(this.userColumn.setStyles(a),p?this.userColumn.addClass(_.FLOATING):this.userColumn.removeClass(_.FLOATING)),this.footerRow&&(this.footerRow.setStyles(l),u?this.footerRow.addClass(_.FLOATING):this.footerRow.removeClass(_.FLOATING)),R.Object.each(c,function(e,t){this.floatingHeaderRow[t]&&this.floatingHeaderRow[t].setStyles(e)},this),R.Object.each(this.floatingHeaderRow,function(e,t){this.floatingHeaderRow[t]&&(f?this.floatingHeaderRow[t].addClass(_.FLOATING):this.floatingHeaderRow[t].removeClass(_.FLOATING))},this),C&&(f?C.addClass(_.FLOATING):C.removeClass(_.FLOATING))},_handleResizeEvent:function(){var o,r,a,e,l,n,d;this._calculateCellPositions(),this._handleScrollEvent(),o=this.firstUserCell.getComputedStyle(h),r=R.all(u),this.userColumnHeader.one(".cell").setStyle("width",o),this.userColumn.all(".cell").each(function(e,t){var i,s=r.item(t).getComputedStyle(w);0!==R.UA.ie&&(s=((i=r.item(t)).getDOMNode?i.getDOMNode().getBoundingClientRect().height:i.get("offsetHeight"))-(parseInt(i.getComputedStyle("marginTop"),10)+parseInt(i.getComputedStyle("marginBottom"),10))-(parseInt(i.getComputedStyle("paddingTop"),10)+parseInt(i.getComputedStyle("paddingBottom"),10))-(parseInt(i.getComputedStyle("borderTopWidth"),10)+parseInt(i.getComputedStyle("borderBottomWidth"),10))),e.setStyles({width:o,height:s})},this),a=this.gradeItemHeadingContainer.all(".cell"),e=R.all(p),l=this.headerRow.getX(),n=0,e.each(function(e,t){var i,s=a.item(t);n+=e.get(g),i={width:e.getComputedStyle(h),left:e.getX()-l+"px"},s.setStyles(i)}),this.footerRow&&0!==(d=this.footerRow.all(".cell")).size()&&R.all(t).each(function(e,t){var i=d.item(t),s={width:e.getComputedStyle(h),left:e.getX()-l+"px"};i.setStyles(s)}),R.Object.each(this.floatingHeaderRow,function(e){e.one("div").setStyle("width",o)},this),this.gradeItemHeadingContainer.setStyle("width",n)}},R.Base.mix(R.M.gradereport_grader.ReportTable,[d])},"@VERSION@",{requires:["base","node","event","handlebars","overlay","event-hover"]});
\ No newline at end of file
+YUI.add("moodle-gradereport_grader-gradereporttable",function(c,i){var m,n,d,l,C=".avg .header",g="#user-grades .avg .cell",s="td.grade",o=".gradeparent table",r=".gradeparent",p="#user-grades .heading .cell",a="#user-grades tr.heading",u="#studentheader",h="#user-grades .user.cell",v={OVERRIDDEN:"overridden",TOOLTIPACTIVE:"tooltipactive"};function e(){e.superclass.constructor.apply(this,arguments)}function t(){}c.extend(e,c.Base,{_eventHandles:[],graderTable:null,initializer:function(){this.graderRegion=c.one(r),this.graderTable=c.one(o),this.setupFloatingHeaders()},getGradeUserName:function(e){e=e.ancestor("tr").one("th.user .username");return e?e.get("text"):""},getGradeItemName:function(e){e=c.one("th.item[data-itemid='"+e.getData("itemid")+"']");return e?e.get("text"):""},getGradeFeedback:function(e){return e.getData("feedback")}}),c.namespace("M.gradereport_grader").ReportTable=e,c.namespace("M.gradereport_grader").init=function(e){return new c.M.gradereport_grader.ReportTable(e)},m="height",n="width",d="offsetWidth",l="offsetHeight",v.FLOATING="floating",t.ATTRS={},t.prototype={pageHeaderHeight:0,container:null,headerCell:null,headerRow:null,firstUserCell:null,firstNonUserCell:null,firstNonUserCellLeft:0,firstNonUserCellWidth:0,tableFooterRow:null,footerRow:null,gradeItemHeadingContainer:null,userColumnHeader:null,userColumn:null,firstUserCellBottom:0,firstUserCellLeft:0,firstUserCellWidth:0,dockWidth:0,lastUserCellTop:0,floatingHeaderRow:null,_eventHandles:[],lastBodyMargin:0,setupFloatingHeaders:function(){return this.firstUserCell=c.one(h),this.container=c.one(r),this.firstNonUserCell=c.one(s),this.firstUserCell?M.cfg.behatsiterunning?void 0:(this._setupFloatingUserColumn(),this._setupFloatingUserHeader(),this._setupFloatingAssignmentHeaders(),this._setupFloatingAssignmentFooter(),this.floatingHeaderRow={},this._setupFloatingLeftHeaders(".controls .controls"),this._setupFloatingLeftHeaders(".range .range"),this._setupFloatingLeftHeaders(C),this._setupFloatingAssignmentFooterTitle(),this._calculateCellPositions(),this._handleScrollEvent(),this._setupEventHandlers(),c.Global.on("moodle-gradereport_grader:resized",this._handleResizeEvent,this),this):this},_calculateCellPositions:function(){var e,t;this.headerRowTop=this.headerRow.getY(),this.tableFooterRow&&(this.footerRowPosition=this.tableFooterRow.getY()),this.dockWidth=0,(e=c.one(".has_dock #dock"))&&(this.dockWidth=e.get(d)),e=c.all(h),this.firstUserCellLeft=this.firstUserCell.getX(),this.firstUserCellWidth=this.firstUserCell.get(d),this.firstNonUserCellLeft=this.firstNonUserCell.getX(),this.firstNonUserCellWidth=this.firstNonUserCell.get(d),1<e.size()?(t=e.item(1),this.firstUserCellBottom=t.getY()+parseInt(t.getComputedStyle(m),10),this.lastUserCellTop=e.item(e.size()-2).getY()):(t=e.item(0),this.lastUserCellTop=t.getY(),this.tableFooterRow?this.firstUserCellBottom=this.footerRowPosition+parseInt(this.tableFooterRow.getComputedStyle(m),10):this.firstUserCellBottom=t.getY()+t.get("offsetHeight")),e=c.one("header"),this.pageHeaderHeight=0,e&&("fixed"===e.getComputedStyle("position")?this.pageHeaderHeight=e.get(l):(t=c.one(".navbar"))&&"fixed"===t.getComputedStyle("position")&&(this.pageHeaderHeight=t.get(l)))},_getRelativeXY:function(e){return this._getRelativeXYFromXY(e.getX(),e.getY())},_getRelativeXYFromXY:function(e,t){var i=this.container.getXY();return[e-i[0],t-i[1]]},_getRelativeXFromX:function(e){return this._getRelativeXYFromXY(e,0)[0]},_getRelativeYFromY:function(e){return this._getRelativeXYFromXY(0,e)[1]},_getScrollBarHeight:function(){return!(c.UA.ie&&10<=c.UA.ie)&&c.config.doc.body.scrollWidth>c.config.doc.body.clientWidth?c.DOM.getScrollbarWidth():0},_setupEventHandlers:function(){this._eventHandles.push(c.one(c.config.win).on("scroll",this._handleScrollEvent,this),c.one(c.config.win).on("resize",this._handleResizeEvent,this),c.one(c.config.win).on("orientationchange",this._handleResizeEvent,this),c.Global.on("dock:shown",this._handleResizeEvent,this),c.Global.on("dock:hidden",this._handleResizeEvent,this))},_setupFloatingUserColumn:function(){var e=c.all(h),s=c.Node.create('<div aria-hidden="true" role="presentation" class="floater sideonly"></div>'),t=this._getRelativeXY(this.firstUserCell);e.each(function(e){var t,i=e.getComputedStyle(m);0!==c.UA.ie&&(i=e.get("offsetHeight")-(parseInt(e.getComputedStyle("marginTop"),10)+parseInt(e.getComputedStyle("marginBottom"),10))-(parseInt(e.getComputedStyle("paddingTop"),10)+parseInt(e.getComputedStyle("paddingBottom"),10))-(parseInt(e.getComputedStyle("borderTopWidth"),10)+parseInt(e.getComputedStyle("borderBottomWidth"),10))),(t=c.Node.create("<div></div>")).set("innerHTML",e.get("innerHTML")).setAttribute("class",e.getAttribute("class")).setAttribute("data-uid",e.ancestor("tr").getData("uid")).setStyles({height:i,width:e.getComputedStyle(n)}),s.appendChild(t)},this),s.setStyles({left:t[0]+"px",position:"absolute",top:t[1]+"px"}),this.graderRegion.append(s),this.userColumn=s},_setupFloatingUserHeader:function(){this.headerRow=c.one(a),this.headerCell=c.one(u);var e=c.Node.create('<div aria-hidden="true" role="presentation" class="floater sideonly heading"></div>'),t=c.Node.create("<div></div>"),i=this._getRelativeXY(this.headerCell)[0],s=this._getRelativeXY(this.headerRow),o=s[0];t.set("innerHTML",this.headerCell.getHTML()).setAttribute("class",this.headerCell.getAttribute("class")).setStyles({width:this.firstUserCell.getComputedStyle(n),left:i-o+"px"}),e.setStyles({left:s[0]+"px",position:"absolute",top:s[1]+"px"}),e.append(t),this.graderRegion.append(e),this.userColumnHeader=e},_setupFloatingAssignmentHeaders:function(){var e,s,t,o,r,a;this.headerRow=c.one("#user-grades tr.heading"),e=c.all("#user-grades tr.heading .cell"),s=c.Node.create('<div aria-hidden="true" role="presentation" class="floater heading"></div>'),t=this._getRelativeXY(this.headerRow),a=t[r=o=0],e.each(function(e){var t=this._getRelativeXY(e)[0],i=c.Node.create("<div></div>");i.append(e.getHTML()
+).setAttribute("class",e.getAttribute("class")).setData("itemid",e.getData("itemid")).setStyles({height:e.getComputedStyle(m),left:t-a+"px",position:"absolute",width:e.getComputedStyle(n)}),o+=parseInt(e.get(d),10),r=e.get(l),s.appendChild(i)},this),s.setStyles({height:r+"px",left:t[0]+"px",position:"absolute",top:t[1]+"px",width:o+"px"}),this.userColumnHeader.insert(s,"before"),this.gradeItemHeadingContainer=s},_setupFloatingAssignmentFooter:function(){var e,s,o,t,r,a;this.tableFooterRow=c.one("#user-grades .avg"),this.tableFooterRow&&(e=this.tableFooterRow.all(".cell"),s=c.Node.create('<div aria-hidden="true" role="presentation" class="floater avg"></div>'),o=0,t=this._getRelativeXY(this.tableFooterRow),r=t[0],a=0,e.each(function(e){var t=c.Node.create("<div></div>"),i=this._getRelativeXY(e)[0];t.set("innerHTML",e.getHTML()).setAttribute("class",e.getAttribute("class")).setStyles({height:e.getComputedStyle(m),left:i-r+"px",position:"absolute",width:e.getComputedStyle(n)}),s.append(t),a=e.get(l),o+=parseInt(e.get(d),10)},this),s.setStyles({position:"absolute",left:t[0]+"px",bottom:"1px",height:a+"px",width:o+"px"}),this.graderRegion.append(s),this.footerRow=s)},_setupFloatingAssignmentFooterTitle:function(){var e=this.floatingHeaderRow[C];e&&e.setStyles({bottom:"1px"})},_setupFloatingLeftHeaders:function(e){var t,i,s,o,r,a=c.one(e);a&&(t=c.Node.create('<div aria-hidden="true" role="presentation" class="floater sideonly"></div>'),i=c.Node.create("<div></div>"),s=this._getRelativeXY(a),o=this.firstUserCell.getComputedStyle(n),r=a.get(l),i.set("innerHTML",a.getHTML()).setAttribute("class",a.getAttribute("class")).setStyles({width:o}),t.setStyles({position:"absolute",top:s[1]+"px",left:s[0]+"px",height:r+"px"}).addClass(a.get("parentNode").get("className")),t.append(i),this.graderRegion.append(t),this.floatingHeaderRow[e]=t)},_handleScrollEvent:function(){var e={},h={},g={},t={},i=0,s=0,o=0,p=!1,r=!1,u=!1,f=!1,a={},l={},n=!1,d=0,d=window.right_to_left()?parseInt(c.one(c.config.doc.body).getComputedStyle("marginRight"),10):parseInt(c.one(c.config.doc.body).getComputedStyle("marginLeft"),10);d!=this.lastBodyMargin&&this._calculateCellPositions(),e.left=this._getRelativeXFromX(this.headerRow.getX()),i=c.config.win.pageYOffset+this.pageHeaderHeight>this.headerRowTop?(p=!0,c.config.win.pageYOffset+this.pageHeaderHeight<this.lastUserCellTop?this._getRelativeYFromY(c.config.win.pageYOffset+this.pageHeaderHeight):this._getRelativeYFromY(this.lastUserCellTop)):(p=!1,this._getRelativeYFromY(this.headerRowTop)),e.top=i+"px",h.top=i+"px",f=window.right_to_left()?(o=(s=c.config.win.innerWidth+c.config.win.pageXOffset-this.dockWidth)-this.firstUserCellWidth-d,r=s<this.firstUserCellLeft+this.firstUserCellWidth+d,s-this.firstNonUserCellWidth<this.firstNonUserCellLeft+this.firstUserCellWidth):(r=(s=(o=c.config.win.pageXOffset+d)+this.dockWidth+d)>this.firstUserCellLeft+d,s>this.firstNonUserCellLeft-this.firstUserCellWidth),i=r?this._getRelativeXFromX(o):this._getRelativeXFromX(this.firstUserCellLeft),g.left=i+"px",h.left=i+"px",c.Object.each(this.floatingHeaderRow,function(e,t){a[t]={left:g.left}},this),this.footerRow&&(t.left=this._getRelativeXFromX(this.headerRow.getX()),d=c.config.win.innerHeight,s=c.config.win.pageYOffset,o=d-this._getScrollBarHeight()+s,i=parseInt(this.footerRow.getComputedStyle(m),10)+this.footerRowPosition,l=a[C],n=this.floatingHeaderRow[C],u=o<i&&o>this.firstUserCellBottom?(t.bottom=Math.ceil(i-o)+"px",!0):!(t.bottom="1px"),l&&(l.bottom=t.bottom,l.top=null),a[C]=l),this.gradeItemHeadingContainer&&(this.gradeItemHeadingContainer.setStyles(e),p?this.gradeItemHeadingContainer.addClass(v.FLOATING):this.gradeItemHeadingContainer.removeClass(v.FLOATING)),this.userColumnHeader&&(this.userColumnHeader.setStyles(h),r?this.userColumnHeader.addClass(v.FLOATING):this.userColumnHeader.removeClass(v.FLOATING)),this.userColumn&&(this.userColumn.setStyles(g),r?this.userColumn.addClass(v.FLOATING):this.userColumn.removeClass(v.FLOATING)),this.footerRow&&(this.footerRow.setStyles(t),u?this.footerRow.addClass(v.FLOATING):this.footerRow.removeClass(v.FLOATING)),c.Object.each(a,function(e,t){this.floatingHeaderRow[t]&&this.floatingHeaderRow[t].setStyles(e)},this),c.Object.each(this.floatingHeaderRow,function(e,t){this.floatingHeaderRow[t]&&(f?this.floatingHeaderRow[t].addClass(v.FLOATING):this.floatingHeaderRow[t].removeClass(v.FLOATING))},this),n&&(f?n.addClass(v.FLOATING):n.removeClass(v.FLOATING))},_handleResizeEvent:function(){var s,o,i,e,r,a,l;this._calculateCellPositions(),this._handleScrollEvent(),s=this.firstUserCell.getComputedStyle(n),o=c.all(h),this.userColumnHeader.one(".cell").setStyle("width",s),this.userColumn.all(".cell").each(function(e,t){var i=o.item(t).getComputedStyle(m);0!==c.UA.ie&&(i=((t=o.item(t)).getDOMNode?t.getDOMNode().getBoundingClientRect().height:t.get("offsetHeight"))-(parseInt(t.getComputedStyle("marginTop"),10)+parseInt(t.getComputedStyle("marginBottom"),10))-(parseInt(t.getComputedStyle("paddingTop"),10)+parseInt(t.getComputedStyle("paddingBottom"),10))-(parseInt(t.getComputedStyle("borderTopWidth"),10)+parseInt(t.getComputedStyle("borderBottomWidth"),10))),e.setStyles({width:s,height:i})},this),i=this.gradeItemHeadingContainer.all(".cell"),e=c.all(p),r=this.headerRow.getX(),a=0,e.each(function(e,t){t=i.item(t);a+=e.get(d),e={width:e.getComputedStyle(n),left:e.getX()-r+"px"},t.setStyles(e)}),this.footerRow&&0!==(l=this.footerRow.all(".cell")).size()&&c.all(g).each(function(e,t){t=l.item(t),e={width:e.getComputedStyle(n),left:e.getX()-r+"px"};t.setStyles(e)}),c.Object.each(this.floatingHeaderRow,function(e){e.one("div").setStyle("width",s)},this),this.gradeItemHeadingContainer.setStyle("width",a)}},c.Base.mix(c.M.gradereport_grader.ReportTable,[t])},"@VERSION@",{requires:["base","node","event","handlebars","overlay","event-hover"]});
\ No newline at end of file
diff --git a/grade/report/history/yui/build/moodle-gradereport_history-userselector/moodle-gradereport_history-userselector-min.js b/grade/report/history/yui/build/moodle-gradereport_history-userselector/moodle-gradereport_history-userselector-min.js
index 6a334afbe73..cf64dc8924f 100644
--- a/grade/report/history/yui/build/moodle-gradereport_history-userselector/moodle-gradereport_history-userselector-min.js
+++ b/grade/report/history/yui/build/moodle-gradereport_history-userselector/moodle-gradereport_history-userselector-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-gradereport_history-userselector",function(R,e){var C="gradereport_history",U={AJAXURL:"ajaxurl",BASE:"base",CHECKBOX_NAME_PREFIX:"usp-u",COURSEID:"courseid",DIALOGUE_PREFIX:"moodle-dialogue",NAME:"gradereport_history_usp",PAGE:"page",PARAMS:"params",PERPAGE:"perPage",SEARCH:"search",SEARCHBTN:"searchbtn",SELECTEDUSERS:"selectedUsers",URL:"url",USERCOUNT:"userCount"},L={ACCESSHIDE:"accesshide",AJAXCONTENT:"usp-ajax-content",CHECKBOX:"usp-checkbox",CLOSE:"close",CLOSEBTN:"usp-finish",CONTENT:"usp-content",DETAILS:"details",EXTRAFIELDS:"extrafields",FIRSTADDED:"usp-first-added",FULLNAME:"fullname",HEADER:"usp-header",HIDDEN:"hidden",LIGHTBOX:"usp-loading-lightbox",LOADINGICON:"loading-icon",MORERESULTS:"usp-more-results",OPTIONS:"options",PICTURE:"usp-picture",RESULTSCOUNT:"usp-results-count",SEARCH:"usp-search",SEARCHBTN:"usp-search-btn",SEARCHFIELD:"usp-search-field",SEARCHRESULTS:"usp-search-results",SELECTED:"selected",USER:"usp-user",USERS:"usp-users",WRAP:"usp-wrap"},A={AJAXCONTENT:"."+L.AJAXCONTENT,FINISHBTN:"."+L.CLOSEBTN+" input",FIRSTADDED:"."+L.FIRSTADDED,FULLNAME:"."+L.FULLNAME+" label",LIGHTBOX:"."+L.LIGHTBOX,MORERESULTS:"."+L.MORERESULTS,OPTIONS:"."+L.OPTIONS,PICTURE:"."+L.USER+" .userpicture",RESULTSCOUNT:"."+L.RESULTSCOUNT,RESULTSUSERS:"."+L.SEARCHRESULTS+" ."+L.USERS,SEARCHBTN:"."+L.SEARCHBTN,SEARCHFIELD:"."+L.SEARCHFIELD,SELECTEDNAMES:".felement .selectednames",TRIGGER:".gradereport_history_plugin input.selectortrigger",USER:"."+L.USER,USERFULLNAMES:'input[name="userfullnames"]',USERIDS:'input[name="userids"]',USERSELECT:"."+L.CHECKBOX+" input[type=checkbox]"},s=function(){s.superclass.constructor.apply(this,arguments)};R.namespace("M.gradereport_history").UserSelector=R.extend(s,M.core.dialogue,{_firstDisplay:!0,_usersBufferList:null,_userTabFocus:null,_userTemplate:null,initializer:function(){var e,s,t,i=this.get("boundingBox");t=R.Handlebars.compile('<div class="{{CSS.WRAP}}"><div class="{{CSS.HEADER}}"><div class="{{CSS.SEARCH}}" role="search"><form><input type="text" class="{{CSS.SEARCHFIELD}}" aria-label="{{get_string "search" "moodle"}}" value="" /><input type="submit" class="{{CSS.SEARCHBTN}}"value="{{get_string "search" "moodle"}}"></form><div aria-live="polite" class="{{CSS.RESULTSCOUNT}}">{{get_string "loading" "admin"}}</div></div></div><div class="{{CSS.CONTENT}}"><form><div class="{{CSS.AJAXCONTENT}}" aria-live="polite"></div><div class="{{CSS.LIGHTBOX}} {{CSS.HIDDEN}}"><img class="{{CSS.LOADINGICON}}" alt="{{get_string "loading" "admin"}}"src="{{{loadingIcon}}}"></div><div class="{{CSS.CLOSEBTN}}"><input type="submit" value="{{get_string "finishselectingusers" COMPONENT}}"></div></form></div></div>'),e=R.Node.create(t({COMPONENT:C,CSS:L,loadingIcon:M.util.image_url("i/loading","moodle")})),this.getStdModNode(R.WidgetStdMod.HEADER).prepend(R.Node.create("<h1>"+this.get("title")+"</h1>")),this.setStdModContent(R.WidgetStdMod.BODY,e,R.WidgetStdMod.REPLACE),this.get("boundingBox").one(".moodle-dialogue-wrap").addClass("moodle-dialogue-content"),R.one(A.TRIGGER).on("click",this.show,this),i.one(A.FINISHBTN).on("click",this.finishSelectingUsers,this),i.delegate("key",this.userKeyboardNavigation,"down:38,40",A.AJAXCONTENT,this),R.delegate("click",this.selectUser,A.AJAXCONTENT,A.USERSELECT,this),R.delegate("click",this.selectUser,A.AJAXCONTENT,A.PICTURE,this),(s=this.get(U.PARAMS)).id=this.get(U.COURSEID),this.set(U.PARAMS,s),i.one(A.SEARCHBTN).on("click",this.search,this,!1)},show:function(e){var i;return this._usersBufferList=R.clone(this.get(U.SELECTEDUSERS)),this._firstDisplay?(this._firstDisplay=!1,this.search(e,!1)):((i=this.get("boundingBox")).all(A.USER).each(function(e){this.markUserNode(e,!1)},this),R.Object.each(this._usersBufferList,function(e,s){var t=i.one(A.USER+'[data-userid="'+s+'"]');t&&this.markUserNode(t,!0)},this),this.setUserTabFocus(i.one(A.USER))),R.namespace("M.gradereport_history.UserSelector").superclass.show.call(this)},search:function(e,s){var t;e&&e.preventDefault(),s?this.set(U.PAGE,this.get(U.PAGE)+1):(this.set(U.USERCOUNT,0),this.set(U.PAGE,0)),(t=this.get(U.PARAMS)).sesskey=M.cfg.sesskey,t.action="searchusers",t.search=this.get("boundingBox").one(A.SEARCHFIELD).get("value"),t.page=this.get(U.PAGE),t.perpage=this.get(U.PERPAGE),R.io(M.cfg.wwwroot+this.get(U.AJAXURL),{method:"POST",data:window.build_querystring(t),on:{start:this.preSearch,complete:this.processSearchResults,end:this.postSearch},context:this,arguments:{append:s}})},preSearch:function(e,s){var t=this.get("boundingBox");t.one(A.LIGHTBOX).removeClass(L.HIDDEN),s.append||t.one(A.RESULTSCOUNT).setHTML(M.util.get_string("loading","admin"))},postSearch:function(e,s){var t,i=this.get("boundingBox"),r=i.one(A.FIRSTADDED);i.one(A.LIGHTBOX).addClass(L.HIDDEN),s.append&&r?(this.setUserTabFocus(r),r.one(A.USERSELECT).focus()):(t=i.one(A.USER))&&this.setUserTabFocus(t)},processSearchResults:function(e,s,t){var i,r,a,n,o,u,l,S,d,E,c=!1,h=!1,T=this.get("boundingBox"),g=!0;try{(c=R.JSON.parse(s.responseText)).success&&!c.error||(h=!0)}catch(p){h=!0}if(h)return this.setContent(""),void T.one(A.RESULTSCOUNT).setHTML(M.util.get_string("errajaxsearch",C));for(o in i=t.append?T.one(A.RESULTSUSERS):R.Node.create('<div role="listbox" aria-activedescendant="" aria-multiselectable="true" class="'+L.USERS+'"></div>'),this._userTemplate||(this._userTemplate=R.Handlebars.compile('<div role="option" aria-selected="false" class="{{CSS.USER}} clearfix" data-userid="{{userId}}"><div class="{{CSS.CHECKBOX}}"><input name="{{USP.CHECKBOX_NAME_PREFIX}}{{userId}}" type="checkbox" tabindex="-1"id="{{checkboxId}}" aria-describedby="{{checkboxId}} {{extraFieldsId}}"/></div><div class="{{CSS.PICTURE}}">{{{picture}}}</div><div class="{{CSS.DETAILS}}"><div class="{{CSS.FULLNAME}}"><label for="{{checkboxId}}">{{fullname}}</label></div><div id="{{extraFieldsId}}" class="{{CSS.EXTRAFIELDS}}">{{{extrafields}}}</div></div></div>')),r=this._userTemplate,a=this.get(U.USERCOUNT),n="",c.response.users)a++
-,E=c.response.users[o],n=!!R.Object.hasKey(this._usersBufferList,E.userid),u=R.Node.create(r({checkboxId:R.guid(),COMPONENT:C,count:a,CSS:L,extrafields:E.extrafields,extraFieldsId:R.guid(),fullname:E.fullname,picture:E.picture,userId:E.userid,USP:U})),this.markUserNode(u,n),t.append&&g&&(i.all(A.FIRSTADDED).removeClass(L.FIRSTADDED),u.addClass(L.FIRSTADDED),g=!1),i.append(u);this.set(U.USERCOUNT,a),d=parseInt(c.response.totalusers,10),t.append?d<=(this.get(U.PAGE)+1)*this.get(U.PERPAGE)&&T.one(A.MORERESULTS).remove():(0===d?(T.one(A.RESULTSCOUNT).setHTML(M.util.get_string("noresults","moodle")),l=""):(1===d?T.one(A.RESULTSCOUNT).setHTML(M.util.get_string("foundoneuser",C)):T.one(A.RESULTSCOUNT).setHTML(M.util.get_string("foundnusers",C,d)),l=R.Node.create('<div class="'+L.SEARCHRESULTS+'"></div>').append(i),c.response.totalusers>(this.get(U.PAGE)+1)*this.get(U.PERPAGE)&&((S=R.Node.create('<div class="'+L.MORERESULTS+'"><a href="#" role="button">'+M.util.get_string("loadmoreusers",C)+"</a></div>")).one("a").on("click",this.search,this,!0),S.one("a").on("key",this.search,"space",this,!0),l.append(S))),this.setContent(l))},finishSelectingUsers:function(e){e.preventDefault(),this.applySelection(),this.hide()},applySelection:function(){var e=R.Object.keys(this._usersBufferList);this.set(U.SELECTEDUSERS,R.clone(this._usersBufferList)).setNameDisplay(),R.one(A.USERIDS).set("value",e.join())},selectUser:function(e){var s=e.currentTarget.ancestor(A.USER),t=s.one(A.USERSELECT),i=s.one(A.FULLNAME).get("innerHTML"),r=t.get("checked"),a=s.getData("userid");e.currentTarget!==t&&(r=!r),r?this._usersBufferList[a]=i:(delete this._usersBufferList[a],delete this._usersBufferList[parseInt(a,10)]),this.markUserNode(s,r)},markUserNode:function(e,s){return s?e.addClass(L.SELECTED).set("aria-selected",!0).one(A.USERSELECT).set("checked",!0):e.removeClass(L.SELECTED).set("aria-selected",!1).one(A.USERSELECT).set("checked",!1),this},setContent:function(e){return this.get("boundingBox").one(A.AJAXCONTENT).setHTML(e),this},setNameDisplay:function(){var e=R.Object.values(this.get(U.SELECTEDUSERS));R.one(A.SELECTEDNAMES).set("innerHTML",e.join(", ")),R.one(A.USERFULLNAMES).set("value",e.join())},userKeyboardNavigation:function(e){var s,t=this.get("boundingBox").all(A.USER),i=1,r=e.target.ancestor(A.USER,!0);38===e.keyCode&&(i=-1),(s=this.findFocusableUser(t,r,i))&&(e.preventDefault(),s.one(A.USERSELECT).focus(),this.setUserTabFocus(s))},findFocusableUser:function(e,s,t){var i=e.indexOf(s);return e.size()<1?null:i<0?e.item(0):((i+=t)<0?i=e.size()-1:i>=e.size()&&(i=0),e.item(i))},setUserTabFocus:function(e){this._userTabFocus&&this._userTabFocus.setAttribute("tabindex","-1"),e&&(this._userTabFocus=e.one(A.USERSELECT),this._userTabFocus.setAttribute("tabindex","0"),this.get("boundingBox").one(A.RESULTSUSERS).setAttribute("aria-activedescendant",this._userTabFocus.generateID()))}},{NAME:U.NAME,CSS_PREFIX:U.CSS_PREFIX,ATTRS:{title:{validator:R.Lang.isString,valueFn:function(){return M.util.get_string("selectusers",C)}},url:{validator:R.Lang.isString,value:null},ajaxurl:{validator:R.Lang.isString,value:null},selectedUsers:{validator:R.Lang.isObject,value:null,getter:function(e){return null===e?{}:e}},courseid:{value:null},params:{validator:R.Lang.isArray,value:[]},page:{validator:R.Lang.isNumber,value:0},userCount:{value:0,validator:R.Lang.isNumber},perPage:{value:25,Validator:R.Lang.isNumber}}}),R.Base.modifyAttrs(R.namespace("M.gradereport_history.UserSelector"),{extraClasses:{value:["gradereport_history_usp"]},focusOnPreviousTargetAfterHide:{value:!0},width:{value:"500px"},visible:{value:!1},modal:{value:!0},draggable:{value:!0}}),R.namespace("M.gradereport_history.UserSelector").init=function(e){return new s(e)}},"@VERSION@",{requires:["escape","event-delegate","event-key","handlebars","io-base","json-parse","moodle-core-notification-dialogue"]});
\ No newline at end of file
+YUI.add("moodle-gradereport_history-userselector",function(T,e){var g="gradereport_history",p={AJAXURL:"ajaxurl",BASE:"base",CHECKBOX_NAME_PREFIX:"usp-u",COURSEID:"courseid",DIALOGUE_PREFIX:"moodle-dialogue",NAME:"gradereport_history_usp",PAGE:"page",PARAMS:"params",PERPAGE:"perPage",SEARCH:"search",SEARCHBTN:"searchbtn",SELECTEDUSERS:"selectedUsers",URL:"url",USERCOUNT:"userCount"},R={ACCESSHIDE:"accesshide",AJAXCONTENT:"usp-ajax-content",CHECKBOX:"usp-checkbox",CLOSE:"close",CLOSEBTN:"usp-finish",CONTENT:"usp-content",DETAILS:"details",EXTRAFIELDS:"extrafields",FIRSTADDED:"usp-first-added",FULLNAME:"fullname",HEADER:"usp-header",HIDDEN:"hidden",LIGHTBOX:"usp-loading-lightbox",LOADINGICON:"loading-icon",MORERESULTS:"usp-more-results",OPTIONS:"options",PICTURE:"usp-picture",RESULTSCOUNT:"usp-results-count",SEARCH:"usp-search",SEARCHBTN:"usp-search-btn",SEARCHFIELD:"usp-search-field",SEARCHRESULTS:"usp-search-results",SELECTED:"selected",USER:"usp-user",USERS:"usp-users",WRAP:"usp-wrap"},C={AJAXCONTENT:"."+R.AJAXCONTENT,FINISHBTN:"."+R.CLOSEBTN+" input",FIRSTADDED:"."+R.FIRSTADDED,FULLNAME:"."+R.FULLNAME+" label",LIGHTBOX:"."+R.LIGHTBOX,MORERESULTS:"."+R.MORERESULTS,OPTIONS:"."+R.OPTIONS,PICTURE:"."+R.USER+" .userpicture",RESULTSCOUNT:"."+R.RESULTSCOUNT,RESULTSUSERS:"."+R.SEARCHRESULTS+" ."+R.USERS,SEARCHBTN:"."+R.SEARCHBTN,SEARCHFIELD:"."+R.SEARCHFIELD,SELECTEDNAMES:".felement .selectednames",TRIGGER:".gradereport_history_plugin input.selectortrigger",USER:"."+R.USER,USERFULLNAMES:'input[name="userfullnames"]',USERIDS:'input[name="userids"]',USERSELECT:"."+R.CHECKBOX+" input[type=checkbox]"},s=function(){s.superclass.constructor.apply(this,arguments)};T.namespace("M.gradereport_history").UserSelector=T.extend(s,M.core.dialogue,{_firstDisplay:!0,_usersBufferList:null,_userTabFocus:null,_userTemplate:null,initializer:function(){var e=this.get("boundingBox"),s=T.Handlebars.compile('<div class="{{CSS.WRAP}}"><div class="{{CSS.HEADER}}"><div class="{{CSS.SEARCH}}" role="search"><form><input type="text" class="{{CSS.SEARCHFIELD}}" aria-label="{{get_string "search" "moodle"}}" value="" /><input type="submit" class="{{CSS.SEARCHBTN}}"value="{{get_string "search" "moodle"}}"></form><div aria-live="polite" class="{{CSS.RESULTSCOUNT}}">{{get_string "loading" "admin"}}</div></div></div><div class="{{CSS.CONTENT}}"><form><div class="{{CSS.AJAXCONTENT}}" aria-live="polite"></div><div class="{{CSS.LIGHTBOX}} {{CSS.HIDDEN}}"><img class="{{CSS.LOADINGICON}}" alt="{{get_string "loading" "admin"}}"src="{{{loadingIcon}}}"></div><div class="{{CSS.CLOSEBTN}}"><input type="submit" value="{{get_string "finishselectingusers" COMPONENT}}"></div></form></div></div>'),s=T.Node.create(s({COMPONENT:g,CSS:R,loadingIcon:M.util.image_url("i/loading","moodle")}));this.getStdModNode(T.WidgetStdMod.HEADER).prepend(T.Node.create("<h1>"+this.get("title")+"</h1>")),this.setStdModContent(T.WidgetStdMod.BODY,s,T.WidgetStdMod.REPLACE),this.get("boundingBox").one(".moodle-dialogue-wrap").addClass("moodle-dialogue-content"),T.one(C.TRIGGER).on("click",this.show,this),e.one(C.FINISHBTN).on("click",this.finishSelectingUsers,this),e.delegate("key",this.userKeyboardNavigation,"down:38,40",C.AJAXCONTENT,this),T.delegate("click",this.selectUser,C.AJAXCONTENT,C.USERSELECT,this),T.delegate("click",this.selectUser,C.AJAXCONTENT,C.PICTURE,this),(s=this.get(p.PARAMS)).id=this.get(p.COURSEID),this.set(p.PARAMS,s),e.one(C.SEARCHBTN).on("click",this.search,this,!1)},show:function(e){var t;return this._usersBufferList=T.clone(this.get(p.SELECTEDUSERS)),this._firstDisplay?(this._firstDisplay=!1,this.search(e,!1)):((t=this.get("boundingBox")).all(C.USER).each(function(e){this.markUserNode(e,!1)},this),T.Object.each(this._usersBufferList,function(e,s){s=t.one(C.USER+'[data-userid="'+s+'"]');s&&this.markUserNode(s,!0)},this),this.setUserTabFocus(t.one(C.USER))),T.namespace("M.gradereport_history.UserSelector").superclass.show.call(this)},search:function(e,s){e&&e.preventDefault(),s?this.set(p.PAGE,this.get(p.PAGE)+1):(this.set(p.USERCOUNT,0),this.set(p.PAGE,0)),(e=this.get(p.PARAMS)).sesskey=M.cfg.sesskey,e.action="searchusers",e.search=this.get("boundingBox").one(C.SEARCHFIELD).get("value"),e.page=this.get(p.PAGE),e.perpage=this.get(p.PERPAGE),T.io(M.cfg.wwwroot+this.get(p.AJAXURL),{method:"POST",data:window.build_querystring(e),on:{start:this.preSearch,complete:this.processSearchResults,end:this.postSearch},context:this,arguments:{append:s}})},preSearch:function(e,s){var t=this.get("boundingBox");t.one(C.LIGHTBOX).removeClass(R.HIDDEN),s.append||t.one(C.RESULTSCOUNT).setHTML(M.util.get_string("loading","admin"))},postSearch:function(e,s){var t=this.get("boundingBox"),i=t.one(C.FIRSTADDED);t.one(C.LIGHTBOX).addClass(R.HIDDEN),s.append&&i?(this.setUserTabFocus(i),i.one(C.USERSELECT).focus()):(s=t.one(C.USER))&&this.setUserTabFocus(s)},processSearchResults:function(S,e,s){var t,d,i,r,E,a,n,o=!1,u=!1,l=this.get("boundingBox"),c=!0;try{(o=T.JSON.parse(e.responseText)).success&&!o.error||(u=!0)}catch(h){u=!0}if(u)return this.setContent(""),void l.one(C.RESULTSCOUNT).setHTML(M.util.get_string("errajaxsearch",g));for(E in t=s.append?l.one(C.RESULTSUSERS):T.Node.create('<div role="listbox" aria-activedescendant="" aria-multiselectable="true" class="'+R.USERS+'"></div>'),this._userTemplate||(this._userTemplate=T.Handlebars.compile('<div role="option" aria-selected="false" class="{{CSS.USER}} clearfix" data-userid="{{userId}}"><div class="{{CSS.CHECKBOX}}"><input name="{{USP.CHECKBOX_NAME_PREFIX}}{{userId}}" type="checkbox" tabindex="-1"id="{{checkboxId}}" aria-describedby="{{checkboxId}} {{extraFieldsId}}"/></div><div class="{{CSS.PICTURE}}">{{{picture}}}</div><div class="{{CSS.DETAILS}}"><div class="{{CSS.FULLNAME}}"><label for="{{checkboxId}}">{{fullname}}</label></div><div id="{{extraFieldsId}}" class="{{CSS.EXTRAFIELDS}}">{{{extrafields}}}</div></div></div>')),d=this._userTemplate,i=this.get(p.USERCOUNT),r="",o.response.users)i++,n=o.response.users[E],
+r=!!T.Object.hasKey(this._usersBufferList,n.userid),n=T.Node.create(d({checkboxId:T.guid(),COMPONENT:g,count:i,CSS:R,extrafields:n.extrafields,extraFieldsId:T.guid(),fullname:n.fullname,picture:n.picture,userId:n.userid,USP:p})),this.markUserNode(n,r),s.append&&c&&(t.all(C.FIRSTADDED).removeClass(R.FIRSTADDED),n.addClass(R.FIRSTADDED),c=!1),t.append(n);this.set(p.USERCOUNT,i),e=parseInt(o.response.totalusers,10),s.append?e<=(this.get(p.PAGE)+1)*this.get(p.PERPAGE)&&l.one(C.MORERESULTS).remove():(0===e?(l.one(C.RESULTSCOUNT).setHTML(M.util.get_string("noresults","moodle")),a=""):(1===e?l.one(C.RESULTSCOUNT).setHTML(M.util.get_string("foundoneuser",g)):l.one(C.RESULTSCOUNT).setHTML(M.util.get_string("foundnusers",g,e)),a=T.Node.create('<div class="'+R.SEARCHRESULTS+'"></div>').append(t),o.response.totalusers>(this.get(p.PAGE)+1)*this.get(p.PERPAGE)&&((u=T.Node.create('<div class="'+R.MORERESULTS+'"><a href="#" role="button">'+M.util.get_string("loadmoreusers",g)+"</a></div>")).one("a").on("click",this.search,this,!0),u.one("a").on("key",this.search,"space",this,!0),a.append(u))),this.setContent(a))},finishSelectingUsers:function(e){e.preventDefault(),this.applySelection(),this.hide()},applySelection:function(){var e=T.Object.keys(this._usersBufferList);this.set(p.SELECTEDUSERS,T.clone(this._usersBufferList)).setNameDisplay(),T.one(C.USERIDS).set("value",e.join())},selectUser:function(e){var s=e.currentTarget.ancestor(C.USER),t=s.one(C.USERSELECT),i=s.one(C.FULLNAME).get("innerHTML"),r=t.get("checked"),a=s.getData("userid");(r=e.currentTarget!==t?!r:r)?this._usersBufferList[a]=i:(delete this._usersBufferList[a],delete this._usersBufferList[parseInt(a,10)]),this.markUserNode(s,r)},markUserNode:function(e,s){return s?e.addClass(R.SELECTED).set("aria-selected",!0).one(C.USERSELECT).set("checked",!0):e.removeClass(R.SELECTED).set("aria-selected",!1).one(C.USERSELECT).set("checked",!1),this},setContent:function(e){return this.get("boundingBox").one(C.AJAXCONTENT).setHTML(e),this},setNameDisplay:function(){var e=T.Object.values(this.get(p.SELECTEDUSERS));T.one(C.SELECTEDNAMES).set("innerHTML",e.join(", ")),T.one(C.USERFULLNAMES).set("value",e.join())},userKeyboardNavigation:function(e){var s=this.get("boundingBox").all(C.USER),t=1,i=e.target.ancestor(C.USER,!0);38===e.keyCode&&(t=-1),(s=this.findFocusableUser(s,i,t))&&(e.preventDefault(),s.one(C.USERSELECT).focus(),this.setUserTabFocus(s))},findFocusableUser:function(e,s,t){s=e.indexOf(s);return e.size()<1?null:s<0?e.item(0):((s+=t)<0?s=e.size()-1:s>=e.size()&&(s=0),e.item(s))},setUserTabFocus:function(e){this._userTabFocus&&this._userTabFocus.setAttribute("tabindex","-1"),e&&(this._userTabFocus=e.one(C.USERSELECT),this._userTabFocus.setAttribute("tabindex","0"),this.get("boundingBox").one(C.RESULTSUSERS).setAttribute("aria-activedescendant",this._userTabFocus.generateID()))}},{NAME:p.NAME,CSS_PREFIX:p.CSS_PREFIX,ATTRS:{title:{validator:T.Lang.isString,valueFn:function(){return M.util.get_string("selectusers",g)}},url:{validator:T.Lang.isString,value:null},ajaxurl:{validator:T.Lang.isString,value:null},selectedUsers:{validator:T.Lang.isObject,value:null,getter:function(e){return null===e?{}:e}},courseid:{value:null},params:{validator:T.Lang.isArray,value:[]},page:{validator:T.Lang.isNumber,value:0},userCount:{value:0,validator:T.Lang.isNumber},perPage:{value:25,Validator:T.Lang.isNumber}}}),T.Base.modifyAttrs(T.namespace("M.gradereport_history.UserSelector"),{extraClasses:{value:["gradereport_history_usp"]},focusOnPreviousTargetAfterHide:{value:!0},width:{value:"500px"},visible:{value:!1},modal:{value:!0},draggable:{value:!0}}),T.namespace("M.gradereport_history.UserSelector").init=function(e){return new s(e)}},"@VERSION@",{requires:["escape","event-delegate","event-key","handlebars","io-base","json-parse","moodle-core-notification-dialogue"]});
\ No newline at end of file
diff --git a/lib/amd/build/adapter.min.js b/lib/amd/build/adapter.min.js
index fad4d99b824..0174c1020cc 100644
--- a/lib/amd/build/adapter.min.js
+++ b/lib/amd/build/adapter.min.js
@@ -1,2 +1,2 @@
-function _typeof2(e){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof2=function(e){return typeof e}}else{_typeof2=function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e}}return _typeof2(e)}define ("core/adapter",[],function(){return function d(c,e,t){function r(i,o){if(!e[i]){if(!c[i]){var s="function"==typeof require&&require;if(!o&&s)return s(i,!0);if(n)return n(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=e[i]={exports:{}};c[i][0].call(p.exports,function(t){var e=c[i][1][t];return r(e?e:t)},p,p.exports,d,c,e,t)}return e[i].exports}for(var n="function"==typeof require&&require,a=0;a<t.length;a++){r(t[a])}return r}({1:[function(e,t){'use strict';var r=e("./adapter_factory.js"),a=(0,r.adapterFactory)({window:window});t.exports=a},{"./adapter_factory.js":2}],2:[function(e,t,r){'use strict';Object.defineProperty(r,"__esModule",{value:!0});r.adapterFactory=function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:{},t=e.window,r=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{shimChrome:!0,shimFirefox:!0,shimEdge:!0,shimSafari:!0},a=i.log,n=i.detectBrowser(t),o={browserDetails:n,commonShim:g,extractVersion:i.extractVersion,disableLog:i.disableLog,disableWarnings:i.disableWarnings};switch(n.browser){case"chrome":if(!s||!s.shimPeerConnection||!r.shimChrome){a("Chrome shim is not included in this adapter release.");return o}a("adapter.js shimming chrome.");o.browserShim=s;s.shimGetUserMedia(t);s.shimMediaStream(t);s.shimPeerConnection(t);s.shimOnTrack(t);s.shimAddTrackRemoveTrack(t);s.shimGetSendersWithDtmf(t);s.shimGetStats(t);s.shimSenderReceiverGetStats(t);s.fixNegotiationNeeded(t);g.shimRTCIceCandidate(t);g.shimConnectionState(t);g.shimMaxMessageSize(t);g.shimSendThrowTypeError(t);g.removeAllowExtmapMixed(t);break;case"firefox":if(!l||!l.shimPeerConnection||!r.shimFirefox){a("Firefox shim is not included in this adapter release.");return o}a("adapter.js shimming firefox.");o.browserShim=l;l.shimGetUserMedia(t);l.shimPeerConnection(t);l.shimOnTrack(t);l.shimRemoveStream(t);l.shimSenderGetStats(t);l.shimReceiverGetStats(t);l.shimRTCDataChannel(t);l.shimAddTransceiver(t);l.shimCreateOffer(t);l.shimCreateAnswer(t);g.shimRTCIceCandidate(t);g.shimConnectionState(t);g.shimMaxMessageSize(t);g.shimSendThrowTypeError(t);break;case"edge":if(!c||!c.shimPeerConnection||!r.shimEdge){a("MS edge shim is not included in this adapter release.");return o}a("adapter.js shimming edge.");o.browserShim=c;c.shimGetUserMedia(t);c.shimGetDisplayMedia(t);c.shimPeerConnection(t);c.shimReplaceTrack(t);g.shimMaxMessageSize(t);g.shimSendThrowTypeError(t);break;case"safari":if(!f||!r.shimSafari){a("Safari shim is not included in this adapter release.");return o}a("adapter.js shimming safari.");o.browserShim=f;f.shimRTCIceServerUrls(t);f.shimCreateOfferLegacy(t);f.shimCallbacksAPI(t);f.shimLocalStreamsAPI(t);f.shimRemoteStreamsAPI(t);f.shimTrackEventTransceiver(t);f.shimGetUserMedia(t);g.shimRTCIceCandidate(t);g.shimMaxMessageSize(t);g.shimSendThrowTypeError(t);g.removeAllowExtmapMixed(t);break;default:a("Unsupported browser!");break;}return o};var n=e("./utils"),i=a(n),o=e("./chrome/chrome_shim"),s=a(o),d=e("./edge/edge_shim"),c=a(d),p=e("./firefox/firefox_shim"),l=a(p),m=e("./safari/safari_shim"),f=a(m),h=e("./common_shim"),g=a(h);function a(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(e,t,r){'use strict';Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=r.shimGetUserMedia=void 0;var d="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)},c=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return c.shimGetUserMedia}});var p=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return p.shimGetDisplayMedia}});r.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream};r.shimOnTrack=n;r.shimGetSendersWithDtmf=i;r.shimGetStats=function(e){if(!e.RTCPeerConnection){return}var t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=this,r=Array.prototype.slice.call(arguments),a=r[0],n=r[1],i=r[2];if(0<arguments.length&&"function"==typeof a){return t.apply(this,arguments)}if(0===t.length&&(0===arguments.length||"function"!=typeof a)){return t.apply(this,[])}var o=function(e){var t={},r=e.result();r.forEach(function(e){var r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(function(t){r[t]=e.stat(t)});t[r.id]=r});return t},s=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};if(2<=arguments.length){var d=function(e){n(s(o(e)))};return t.apply(this,[d,a])}return new Promise(function(r,a){t.apply(e,[function(e){r(s(o(e)))},a])}).then(n,i)}};r.shimSenderReceiverGetStats=o;r.shimAddTrackRemoveTrackWithNative=s;r.shimAddTrackRemoveTrack=function(e){if(!e.RTCPeerConnection){return}var n=m.detectBrowser(e);if(e.RTCPeerConnection.prototype.addTrack&&65<=n.version){return s(e)}var i=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this,t=i.apply(this);this._reverseStreams=this._reverseStreams||{};return t.map(function(t){return e._reverseStreams[t.id]})};var o=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){var r=this;this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};t.getTracks().forEach(function(e){var t=r.getSenders().find(function(t){return t.track===e});if(t){throw new DOMException("Track already exists.","InvalidAccessError")}});if(!this._reverseStreams[t.id]){var a=new e.MediaStream(t.getTracks());this._streams[t.id]=a;this._reverseStreams[a.id]=t;t=a}o.apply(this,[t])};var d=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};d.apply(this,[this._streams[e.id]||e]);delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id];delete this._streams[e.id]};e.RTCPeerConnection.prototype.addTrack=function(r,a){var n=this;if("closed"===this.signalingState){throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError")}var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find(function(e){return e===r})){throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError")}var o=this.getSenders().find(function(e){return e.track===r});if(o){throw new DOMException("Track already exists.","InvalidAccessError")}this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};var s=this._streams[a.id];if(s){s.addTrack(r);Promise.resolve().then(function(){n.dispatchEvent(new Event("negotiationneeded"))})}else{var d=new e.MediaStream([r]);this._streams[a.id]=d;this._reverseStreams[d.id]=a;this.addStream(d)}return this.getSenders().find(function(e){return e.track===r})};function t(e,t){var r=t.sdp;Object.keys(e._reverseStreams||[]).forEach(function(t){var a=e._reverseStreams[t],n=e._streams[a.id];r=r.replace(new RegExp(n.id,"g"),a.id)});return new RTCSessionDescription({type:t.type,sdp:r})}function r(e,t){var r=t.sdp;Object.keys(e._reverseStreams||[]).forEach(function(t){var a=e._reverseStreams[t],n=e._streams[a.id];r=r.replace(new RegExp(a.id,"g"),n.id)});return new RTCSessionDescription({type:t.type,sdp:r})}["createOffer","createAnswer"].forEach(function(r){var n=e.RTCPeerConnection.prototype[r],i=a({},r,function(){var e=this,r=arguments,a=arguments.length&&"function"==typeof arguments[0];if(a){return n.apply(this,[function(a){var n=t(e,a);r[0].apply(null,[n])},function(e){if(r[1]){r[1].apply(null,e)}},arguments[2]])}return n.apply(this,arguments).then(function(r){return t(e,r)})});e.RTCPeerConnection.prototype[r]=i[r]});var c=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){if(!arguments.length||!arguments[0].type){return c.apply(this,arguments)}arguments[0]=r(this,arguments[0]);return c.apply(this,arguments)};var p=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=p.get.apply(this);if(""===e.type){return e}return t(this,e)}});e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;if("closed"===this.signalingState){throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError")}if(!e._pc){throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError")}var r=e._pc===this;if(!r){throw new DOMException("Sender was not created by this connection.","InvalidAccessError")}this._streams=this._streams||{};var a;Object.keys(this._streams).forEach(function(r){var n=t._streams[r].getTracks().find(function(t){return e.track===t});if(n){a=t._streams[r]}});if(a){if(1===a.getTracks().length){this.removeStream(this._reverseStreams[a.id])}else{a.removeTrack(e.track)}this.dispatchEvent(new Event("negotiationneeded"))}}};r.shimPeerConnection=function(e){var t=m.detectBrowser(e);if(!e.RTCPeerConnection&&e.webkitRTCPeerConnection){e.RTCPeerConnection=e.webkitRTCPeerConnection}if(!e.RTCPeerConnection){return}if(53>t.version){["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var r=e.RTCPeerConnection.prototype[t],n=a({},t,function(){arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]);return r.apply(this,arguments)});e.RTCPeerConnection.prototype[t]=n[t]})}var r=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}if(78>t.version&&arguments[0]&&""===arguments[0].candidate){return Promise.resolve()}return r.apply(this,arguments)}};r.fixNegotiationNeeded=function(e){m.wrapPeerConnectionEvent(e,"negotiationneeded",function(t){var e=t.target;if("stable"!==e.signalingState){return}return t})};var l=e("../utils.js"),m=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(l);function a(e,t,r){if(t in e){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0})}else{e[t]=r}return e}function n(t){if("object"===("undefined"==typeof t?"undefined":d(t))&&t.RTCPeerConnection&&!("ontrack"in t.RTCPeerConnection.prototype)){Object.defineProperty(t.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){if(this._ontrack){this.removeEventListener("track",this._ontrack)}this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});var r=t.RTCPeerConnection.prototype.setRemoteDescription;t.RTCPeerConnection.prototype.setRemoteDescription=function(){var a=this;if(!this._ontrackpoly){this._ontrackpoly=function(r){r.stream.addEventListener("addtrack",function(e){var n;if(t.RTCPeerConnection.prototype.getReceivers){n=a.getReceivers().find(function(t){return t.track&&t.track.id===e.track.id})}else{n={track:e.track}}var i=new Event("track");i.track=e.track;i.receiver=n;i.transceiver={receiver:n};i.streams=[r.stream];a.dispatchEvent(i)});r.stream.getTracks().forEach(function(e){var n;if(t.RTCPeerConnection.prototype.getReceivers){n=a.getReceivers().find(function(t){return t.track&&t.track.id===e.id})}else{n={track:e}}var i=new Event("track");i.track=e;i.receiver=n;i.transceiver={receiver:n};i.streams=[r.stream];a.dispatchEvent(i)})};this.addEventListener("addstream",this._ontrackpoly)}return r.apply(this,arguments)}}else{m.wrapPeerConnectionEvent(t,"track",function(t){if(!t.transceiver){Object.defineProperty(t,"transceiver",{value:{receiver:t.receiver}})}return t})}}function i(e){if("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){var t=function(e,t){return{track:t,get dtmf(){if(this._dtmf===void 0){if("audio"===t.kind){this._dtmf=e.createDTMFSender(t)}else{this._dtmf=null}}return this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){this._senders=this._senders||[];return this._senders.slice()};var r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e){var a=r.apply(this,arguments);if(!a){a=t(this,e);this._senders.push(a)}return a};var a=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){a.apply(this,arguments);var t=this._senders.indexOf(e);if(-1!==t){this._senders.splice(t,1)}}}var n=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;this._senders=this._senders||[];n.apply(this,[e]);e.getTracks().forEach(function(e){r._senders.push(t(r,e))})};var i=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;this._senders=this._senders||[];i.apply(this,[e]);e.getTracks().forEach(function(e){var r=t._senders.find(function(t){return t.track===e});if(r){t._senders.splice(t._senders.indexOf(r),1)}})}}else if("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){var o=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){var e=this,t=o.apply(this,[]);t.forEach(function(t){return t._pc=e});return t};Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){if(this._dtmf===void 0){if("audio"===this.track.kind){this._dtmf=this._pc.createDTMFSender(this.track)}else{this._dtmf=null}}return this._dtmf}})}}function o(e){if(!("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver)){return}if(!("getStats"in e.RTCRtpSender.prototype)){var 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e.label.toLowerCase().includes(t)})});if(!r&&t.length&&p.includes("back")){r=t[t.length-1]}if(r){e.video.deviceId=d.exact?{exact:r.deviceId}:{ideal:r.deviceId}}e.video=n(e.video);o("chrome: "+JSON.stringify(e));return i(e)})}}e.video=n(e.video)}o("chrome: "+JSON.stringify(e));return i(e)},d=function(t){if(64<=r.version){return t}return{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[t.name]||t.name,message:t.message,constraint:t.constraint||t.constraintName,toString:function(){return this.name+(this.message&&": 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t=c.default.splitSections(e.sdp);t.shift();return t.some(function(e){var t=c.default.parseMLine(e);return t&&"application"===t.kind&&-1!==t.protocol.indexOf("SCTP")})},a=function(e){var t=e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===t||2>t.length){return-1}var r=parseInt(t[1],10);return r!==r?-1:r},n=function(e){var r=65536;if("firefox"===t.browser){if(57>t.version){if(-1===e){r=16384}else{r=2147483637}}else if(60>t.version){r=57===t.version?65535:65536}else{r=2147483637}}return r},i=function(e,r){var a=65536;if("firefox"===t.browser&&57===t.version){a=65535}var n=c.default.matchPrefix(e.sdp,"a=max-message-size:");if(0<n.length){a=parseInt(n[0].substr(19),10)}else if("firefox"===t.browser&&-1!==r){a=2147483637}return a},o=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){this._sctp=null;if("chrome"===t.browser&&76<=t.version){var e=this.getConfiguration(),s=e.sdpSemantics;if("plan-b"===s){Object.defineProperty(this,"sctp",{get:function(){return"undefined"==typeof this._sctp?null:this._sctp},enumerable:!0,configurable:!0})}}if(r(arguments[0])){var d=a(arguments[0]),c=n(d),p=i(arguments[0],d),l=void 0;if(0===c&&0===p){l=Number.POSITIVE_INFINITY}else if(0===c||0===p){l=Math.max(c,p)}else{l=Math.min(c,p)}var m={};Object.defineProperty(m,"maxMessageSize",{get:function(){return l}});this._sctp=m}return o.apply(this,arguments)}}function i(e){if(!(e.RTCPeerConnection&&"createDataChannel"in e.RTCPeerConnection.prototype)){return}function t(e,t){var r=e.send;e.send=function(){var a=arguments[0],n=a.length||a.size||a.byteLength;if("open"===e.readyState&&t.sctp&&n>t.sctp.maxMessageSize){throw new TypeError("Message too large (can send a maximum of "+t.sctp.maxMessageSize+" bytes)")}return r.apply(e,arguments)}}var r=e.RTCPeerConnection.prototype.createDataChannel;e.RTCPeerConnection.prototype.createDataChannel=function(){var e=r.apply(this,arguments);t(e,this);return e};l.wrapPeerConnectionEvent(e,"datachannel",function(r){t(r.channel,r.target);return r})}function o(e){if(!e.RTCPeerConnection||"connectionState"in e.RTCPeerConnection.prototype){return}var t=e.RTCPeerConnection.prototype;Object.defineProperty(t,"connectionState",{get:function(){return{completed:"connected",checking:"connecting"}[this.iceConnectionState]||this.iceConnectionState},enumerable:!0,configurable:!0});Object.defineProperty(t,"onconnectionstatechange",{get:function(){return this._onconnectionstatechange||null},set:function(e){if(this._onconnectionstatechange){this.removeEventListener("connectionstatechange",this._onconnectionstatechange);delete 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o=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return o.shimGetDisplayMedia}});r.shimPeerConnection=a;r.shimReplaceTrack=n;var s=e("../utils"),d=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(s),c=e("./filtericeservers"),p=e("rtcpeerconnection-shim"),l=function(e){return e&&e.__esModule?e:{default:e}}(p);function a(e){var t=d.detectBrowser(e);if(e.RTCIceGatherer){if(!e.RTCIceCandidate){e.RTCIceCandidate=function(e){return e}}if(!e.RTCSessionDescription){e.RTCSessionDescription=function(e){return e}}if(15025>t.version){var r=Object.getOwnPropertyDescriptor(e.MediaStreamTrack.prototype,"enabled");Object.defineProperty(e.MediaStreamTrack.prototype,"enabled",{set:function(e){r.set.call(this,e);var t=new Event("enabled");t.enabled=e;this.dispatchEvent(t)}})}}if(e.RTCRtpSender&&!("dtmf"in 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Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)},c=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return c.shimGetUserMedia}});var p=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return p.shimGetDisplayMedia}});r.shimOnTrack=n;r.shimPeerConnection=function(e){var t=m.detectBrowser(e);if("object"!==("undefined"==typeof e?"undefined":d(e))||!(e.RTCPeerConnection||e.mozRTCPeerConnection)){return}if(!e.RTCPeerConnection&&e.mozRTCPeerConnection){e.RTCPeerConnection=e.mozRTCPeerConnection}if(53>t.version){["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var r=e.RTCPeerConnection.prototype[t],n=a({},t,function(){arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]);return r.apply(this,arguments)});e.RTCPeerConnection.prototype[t]=n[t]})}if(68>t.version){var r=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}if(arguments[0]&&""===arguments[0].candidate){return Promise.resolve()}return r.apply(this,arguments)}}var n={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},i=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=Array.prototype.slice.call(arguments),r=e[0],a=e[1],o=e[2];return i.apply(this,[r||null]).then(function(r){if(53>t.version&&!a){try{r.forEach(function(e){e.type=n[e.type]||e.type})}catch(t){if("TypeError"!==t.name){throw t}r.forEach(function(e,t){r.set(t,Object.assign({},e,{type:n[e.type]||e.type}))})}}return r}).then(a,o)}};r.shimSenderGetStats=i;r.shimReceiverGetStats=o;r.shimRemoveStream=s;r.shimRTCDataChannel=function(e){if(e.DataChannel&&!e.RTCDataChannel){e.RTCDataChannel=e.DataChannel}};r.shimAddTransceiver=function(e){if(!("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCPeerConnection)){return}var t=e.RTCPeerConnection.prototype.addTransceiver;if(t){e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];var e=arguments[1],r=e&&"sendEncodings"in e;if(r){e.sendEncodings.forEach(function(e){if("rid"in e){if(!/^[a-z0-9]{0,16}$/i.test(e.rid)){throw new TypeError("Invalid RID value provided.")}}if("scaleResolutionDownBy"in e){if(!(1<=parseFloat(e.scaleResolutionDownBy))){throw new RangeError("scale_resolution_down_by must be >= 1.0")}}if("maxFramerate"in e){if(!(0<=parseFloat(e.maxFramerate))){throw new RangeError("max_framerate must be >= 0.0")}}})}var a=t.apply(this,arguments);if(r){var n=a.sender,i=n.getParameters();if(!("encodings"in i)){i.encodings=e.sendEncodings;this.setParametersPromises.push(n.setParameters(i).catch(function(){}))}}return a}}};r.shimCreateOffer=function(e){if(!("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCPeerConnection)){return}var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(){var e=this,r=arguments;if(this.setParametersPromises&&this.setParametersPromises.length){return Promise.all(this.setParametersPromises).then(function(){return t.apply(e,r)}).finally(function(){e.setParametersPromises=[]})}return t.apply(this,arguments)}};r.shimCreateAnswer=function(e){if(!("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCPeerConnection)){return}var t=e.RTCPeerConnection.prototype.createAnswer;e.RTCPeerConnection.prototype.createAnswer=function(){var e=this,r=arguments;if(this.setParametersPromises&&this.setParametersPromises.length){return Promise.all(this.setParametersPromises).then(function(){return t.apply(e,r)}).finally(function(){e.setParametersPromises=[]})}return t.apply(this,arguments)}};var l=e("../utils"),m=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(l);function a(e,t,r){if(t in e){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0})}else{e[t]=r}return e}function n(e){if("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)){Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})}}function i(e){if(!("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCPeerConnection&&e.RTCRtpSender)){return}if(e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype){return}var t=e.RTCPeerConnection.prototype.getSenders;if(t){e.RTCPeerConnection.prototype.getSenders=function(){var e=this,r=t.apply(this,[]);r.forEach(function(t){return t._pc=e});return r}}var r=e.RTCPeerConnection.prototype.addTrack;if(r){e.RTCPeerConnection.prototype.addTrack=function(){var e=r.apply(this,arguments);e._pc=this;return e}}e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function o(e){if(!("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCPeerConnection&&e.RTCRtpSender)){return}if(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype){return}var t=e.RTCPeerConnection.prototype.getReceivers;if(t){e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,r=t.apply(this,[]);r.forEach(function(t){return t._pc=e});return r}}m.wrapPeerConnectionEvent(e,"track",function(t){t.receiver._pc=t.srcElement;return t});e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function s(e){if(!e.RTCPeerConnection||"removeStream"in e.RTCPeerConnection.prototype){return}e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;m.deprecated("removeStream","removeTrack");this.getSenders().forEach(function(r){if(r.track&&e.getTracks().includes(r.track)){t.removeTrack(r)}})}}},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(e,t,r){'use strict';Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=a;function a(e,t){if(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices){return}if(!e.navigator.mediaDevices){return}e.navigator.mediaDevices.getDisplayMedia=function(r){if(!(r&&r.video)){var a=new DOMException("getDisplayMedia without video constraints is undefined");a.name="NotFoundError";a.code=8;return Promise.reject(a)}if(!0===r.video){r.video={mediaSource:t}}else{r.video.mediaSource=t}return e.navigator.mediaDevices.getUserMedia(r)}}},{}],13:[function(e,t,r){'use strict';Object.defineProperty(r,"__esModule",{value:!0});var n="function"==typeof 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e?"undefined":n(e))&&"object"===n(e.audio)){e=JSON.parse(JSON.stringify(e));i(e.audio,"autoGainControl","mozAutoGainControl");i(e.audio,"noiseSuppression","mozNoiseSuppression")}return s(e)};if(a&&a.prototype.getSettings){var d=a.prototype.getSettings;a.prototype.getSettings=function(){var e=d.apply(this,arguments);i(e,"mozAutoGainControl","autoGainControl");i(e,"mozNoiseSuppression","noiseSuppression");return e}}if(a&&a.prototype.applyConstraints){var p=a.prototype.applyConstraints;a.prototype.applyConstraints=function(e){if("audio"===this.kind&&"object"===("undefined"==typeof e?"undefined":n(e))){e=JSON.parse(JSON.stringify(e));i(e,"autoGainControl","mozAutoGainControl");i(e,"noiseSuppression","mozNoiseSuppression")}return p.apply(this,[e])}}}}},{"../utils":15}],14:[function(e,t,r){'use strict';Object.defineProperty(r,"__esModule",{value:!0});var d="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof 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a}a.then(t,r);return Promise.resolve()};t.addIceCandidate=s};r.shimGetUserMedia=function(e){var t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){var r=t.mediaDevices,a=r.getUserMedia.bind(r);t.mediaDevices.getUserMedia=function(e){return a(i(e))}}if(!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia){t.getUserMedia=function(e,r,a){t.mediaDevices.getUserMedia(e).then(r,a)}.bind(t)}};r.shimConstraints=i;r.shimRTCIceServerUrls=o;r.shimTrackEventTransceiver=s;r.shimCreateOfferLegacy=function(e){var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){if(e){if("undefined"!=typeof e.offerToReceiveAudio){e.offerToReceiveAudio=!!e.offerToReceiveAudio}var r=this.getTransceivers().find(function(e){return"audio"===e.receiver.track.kind});if(!1===e.offerToReceiveAudio&&r){if("sendrecv"===r.direction){if(r.setDirection){r.setDirection("sendonly")}else{r.direction="sendonly"}}else 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e?"undefined":d(e))||!e.RTCPeerConnection){return}if(!("getLocalStreams"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[]}return this._localStreams}}if(!("addStream"in e.RTCPeerConnection.prototype)){var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;if(!this._localStreams){this._localStreams=[]}if(!this._localStreams.includes(e)){this._localStreams.push(e)}e.getAudioTracks().forEach(function(a){return t.call(r,a,e)});e.getVideoTracks().forEach(function(a){return t.call(r,a,e)})};e.RTCPeerConnection.prototype.addTrack=function(){var e=arguments[1];if(e){if(!this._localStreams){this._localStreams=[e]}else if(!this._localStreams.includes(e)){this._localStreams.push(e)}}return t.apply(this,arguments)}}if(!("removeStream"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;if(!this._localStreams){this._localStreams=[]}var r=this._localStreams.indexOf(e);if(-1===r){return}this._localStreams.splice(r,1);var a=e.getTracks();this.getSenders().forEach(function(e){if(a.includes(e.track)){t.removeTrack(e)}})}}}function n(e){if("object"!==("undefined"==typeof e?"undefined":d(e))||!e.RTCPeerConnection){return}if(!("getRemoteStreams"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}}if(!("onaddstream"in e.RTCPeerConnection.prototype)){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){var t=this;if(this._onaddstream){this.removeEventListener("addstream",this._onaddstream);this.removeEventListener("track",this._onaddstreampoly)}this.addEventListener("addstream",this._onaddstream=e);this.addEventListener("track",this._onaddstreampoly=function(r){r.streams.forEach(function(e){if(!t._remoteStreams){t._remoteStreams=[]}if(t._remoteStreams.includes(e)){return}t._remoteStreams.push(e);var r=new Event("addstream");r.stream=e;t.dispatchEvent(r)})})}});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var e=this;if(!this._onaddstreampoly){this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach(function(t){if(!e._remoteStreams){e._remoteStreams=[]}if(0<=e._remoteStreams.indexOf(t)){return}e._remoteStreams.push(t);var r=new Event("addstream");r.stream=t;e.dispatchEvent(r)})})}return t.apply(e,arguments)}}}function i(e){if(e&&e.video!==void 0){return Object.assign({},e,{video:p.compactObject(e.video)})}return e}function o(e){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){for(var a=[],n=0,o;n<e.iceServers.length;n++){o=e.iceServers[n];if(!o.hasOwnProperty("urls")&&o.hasOwnProperty("url")){p.deprecated("RTCIceServer.url","RTCIceServer.urls");o=JSON.parse(JSON.stringify(o));o.urls=o.url;delete o.url;a.push(o)}else{a.push(e.iceServers[n])}}e.iceServers=a}return new t(e,r)};e.RTCPeerConnection.prototype=t.prototype;if("generateCertificate"in e.RTCPeerConnection){Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:function(){return t.generateCertificate}})}}function s(e){if("object"===("undefined"==typeof e?"undefined":d(e))&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)){Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})}}},{"../utils":15}],15:[function(e,t,r){'use strict';Object.defineProperty(r,"__esModule",{value:!0});var l="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)};r.extractVersion=n;r.wrapPeerConnectionEvent=function(e,t,r){if(!e.RTCPeerConnection){return}var a=e.RTCPeerConnection.prototype,n=a.addEventListener;a.addEventListener=function(e,a){if(e!==t){return n.apply(this,arguments)}var i=function(t){var e=r(t);if(e){a(e)}};this._eventMap=this._eventMap||{};this._eventMap[a]=i;return n.apply(this,[e,i])};var i=a.removeEventListener;a.removeEventListener=function(e,r){if(e!==t||!this._eventMap||!this._eventMap[r]){return i.apply(this,arguments)}var a=this._eventMap[r];delete this._eventMap[r];return i.apply(this,[e,a])};Object.defineProperty(a,"on"+t,{get:function(){return this["_on"+t]},set:function(e){if(this["_on"+t]){this.removeEventListener(t,this["_on"+t]);delete this["_on"+t]}if(e){this.addEventListener(t,this["_on"+t]=e)}},enumerable:!0,configurable:!0})};r.disableLog=function(e){if("boolean"!=typeof e){return new Error("Argument type: "+("undefined"==typeof e?"undefined":l(e))+". Please use a boolean.")}m=e;return e?"adapter.js logging disabled":"adapter.js logging enabled"};r.disableWarnings=function(e){if("boolean"!=typeof e){return new Error("Argument type: "+("undefined"==typeof e?"undefined":l(e))+". 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Use urls instead.")}var n="string"==typeof a;if(n){a=[a]}a=a.filter(function(e){var a=0===e.indexOf("turn:")&&-1!==e.indexOf("transport=udp")&&-1===e.indexOf("turn:[")&&!r;if(a){r=!0;return!0}return 0===e.indexOf("stun:")&&14393<=t&&-1===e.indexOf("?transport=udp")});delete e.url;e.urls=n?a[0]:a;return!!a.length}})}function i(e,t){var r={codecs:[],headerExtensions:[],fecMechanisms:[]},a=function(e,t){e=parseInt(e,10);for(var r=0;r<t.length;r++){if(t[r].payloadType===e||t[r].preferredPayloadType===e){return t[r]}}},n=function(e,t,r,n){var i=a(e.parameters.apt,r),o=a(t.parameters.apt,n);return i&&o&&i.name.toLowerCase()===o.name.toLowerCase()};e.codecs.forEach(function(a){for(var o=0,s;o<t.codecs.length;o++){s=t.codecs[o];if(a.name.toLowerCase()===s.name.toLowerCase()&&a.clockRate===s.clockRate){if("rtx"===a.name.toLowerCase()&&a.parameters&&s.parameters.apt){if(!n(a,s,e.codecs,t.codecs)){continue}}s=JSON.parse(JSON.stringify(s));s.numChannels=Math.min(a.numChannels,s.numChannels);r.codecs.push(s);s.rtcpFeedback=s.rtcpFeedback.filter(function(e){for(var t=0;t<a.rtcpFeedback.length;t++){if(a.rtcpFeedback[t].type===e.type&&a.rtcpFeedback[t].parameter===e.parameter){return!0}}return!1});break}}});e.headerExtensions.forEach(function(e){for(var a=0,n;a<t.headerExtensions.length;a++){n=t.headerExtensions[a];if(e.uri===n.uri){r.headerExtensions.push(n);break}}});return r}function o(e,t,r){return-1!=={offer:{setLocalDescription:["stable","have-local-offer"],setRemoteDescription:["stable","have-remote-offer"]},answer:{setLocalDescription:["have-remote-offer","have-local-pranswer"],setRemoteDescription:["have-local-offer","have-remote-pranswer"]}}[t][e].indexOf(r)}function s(e,t){var r=e.getRemoteCandidates().find(function(e){return t.foundation===e.foundation&&t.ip===e.ip&&t.port===e.port&&t.priority===e.priority&&t.protocol===e.protocol&&t.type===e.type});if(!r){e.addRemoteCandidate(t)}return!r}function d(t,r){var a=new Error(r);a.name=t;a.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[t];return a}t.exports=function(e,t){function p(t,r){r.addTrack(t);r.dispatchEvent(new e.MediaStreamTrackEvent("addtrack",{track:t}))}function l(t,r){r.removeTrack(t);r.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:t}))}function m(t,r,a,n){var i=new Event("track");i.track=r;i.receiver=a;i.transceiver={receiver:a};i.streams=n;e.setTimeout(function(){t._dispatchEvent("track",i)})}var f=function(r){var a=this,o=document.createDocumentFragment();["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){a[e]=o[e].bind(o)});this.canTrickleIceCandidates=null;this.needNegotiation=!1;this.localStreams=[];this.remoteStreams=[];this._localDescription=null;this._remoteDescription=null;this.signalingState="stable";this.iceConnectionState="new";this.connectionState="new";this.iceGatheringState="new";r=JSON.parse(JSON.stringify(r||{}));this.usingBundle="max-bundle"===r.bundlePolicy;if("negotiate"===r.rtcpMuxPolicy){throw d("NotSupportedError","rtcpMuxPolicy 'negotiate' is not supported")}else if(!r.rtcpMuxPolicy){r.rtcpMuxPolicy="require"}switch(r.iceTransportPolicy){case"all":case"relay":break;default:r.iceTransportPolicy="all";break;}switch(r.bundlePolicy){case"balanced":case"max-compat":case"max-bundle":break;default:r.bundlePolicy="balanced";break;}r.iceServers=n(r.iceServers||[],t);this._iceGatherers=[];if(r.iceCandidatePoolSize){for(var s=r.iceCandidatePoolSize;0<s;s--){this._iceGatherers.push(new e.RTCIceGatherer({iceServers:r.iceServers,gatherPolicy:r.iceTransportPolicy}))}}else{r.iceCandidatePoolSize=0}this._config=r;this.transceivers=[];this._sdpSessionId=c.generateSessionId();this._sdpSessionVersion=0;this._dtlsRole=void 0;this._isClosed=!1};Object.defineProperty(f.prototype,"localDescription",{configurable:!0,get:function get(){return this._localDescription}});Object.defineProperty(f.prototype,"remoteDescription",{configurable:!0,get:function get(){return this._remoteDescription}});f.prototype.onicecandidate=null;f.prototype.onaddstream=null;f.prototype.ontrack=null;f.prototype.onremovestream=null;f.prototype.onsignalingstatechange=null;f.prototype.oniceconnectionstatechange=null;f.prototype.onconnectionstatechange=null;f.prototype.onicegatheringstatechange=null;f.prototype.onnegotiationneeded=null;f.prototype.ondatachannel=null;f.prototype._dispatchEvent=function(e,t){if(this._isClosed){return}this.dispatchEvent(t);if("function"==typeof this["on"+e]){this["on"+e](t)}};f.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)};f.prototype.getConfiguration=function(){return this._config};f.prototype.getLocalStreams=function(){return this.localStreams};f.prototype.getRemoteStreams=function(){return this.remoteStreams};f.prototype._createTransceiver=function(e,t){var r=0<this.transceivers.length,a={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&r){a.iceTransport=this.transceivers[0].iceTransport;a.dtlsTransport=this.transceivers[0].dtlsTransport}else{var n=this._createIceAndDtlsTransports();a.iceTransport=n.iceTransport;a.dtlsTransport=n.dtlsTransport}if(!t){this.transceivers.push(a)}return a};f.prototype.addTrack=function(t,r){if(this._isClosed){throw d("InvalidStateError","Attempted to call addTrack on a closed peerconnection.")}var a=this.transceivers.find(function(e){return e.track===t});if(a){throw d("InvalidAccessError","Track already exists.")}for(var n,o=0;o<this.transceivers.length;o++){if(!this.transceivers[o].track&&this.transceivers[o].kind===t.kind){n=this.transceivers[o]}}if(!n){n=this._createTransceiver(t.kind)}this._maybeFireNegotiationNeeded();if(-1===this.localStreams.indexOf(r)){this.localStreams.push(r)}n.track=t;n.stream=r;n.rtpSender=new e.RTCRtpSender(t,n.dtlsTransport);return n.rtpSender};f.prototype.addStream=function(e){var r=this;if(15025<=t){e.getTracks().forEach(function(t){r.addTrack(t,e)})}else{var a=e.clone();e.getTracks().forEach(function(e,t){var r=a.getTracks()[t];e.addEventListener("enabled",function(e){r.enabled=e.enabled})});a.getTracks().forEach(function(e){r.addTrack(e,a)})}};f.prototype.removeTrack=function(r){if(this._isClosed){throw d("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.")}if(!(r instanceof e.RTCRtpSender)){throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.")}var a=this.transceivers.find(function(e){return e.rtpSender===r});if(!a){throw d("InvalidAccessError","Sender was not created by this connection.")}var n=a.stream;a.rtpSender.stop();a.rtpSender=null;a.track=null;a.stream=null;var i=this.transceivers.map(function(e){return e.stream});if(-1===i.indexOf(n)&&-1<this.localStreams.indexOf(n)){this.localStreams.splice(this.localStreams.indexOf(n),1)}this._maybeFireNegotiationNeeded()};f.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var r=t.getSenders().find(function(t){return t.track===e});if(r){t.removeTrack(r)}})};f.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})};f.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})};f.prototype._createIceGatherer=function(t,r){var a=this;if(r&&0<t){return this.transceivers[0].iceGatherer}else if(this._iceGatherers.length){return this._iceGatherers.shift()}var n=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});Object.defineProperty(n,"state",{value:"new",writable:!0});this.transceivers[t].bufferedCandidateEvents=[];this.transceivers[t].bufferCandidates=function(e){var r=!e.candidate||0===Object.keys(e.candidate).length;n.state=r?"completed":"gathering";if(null!==a.transceivers[t].bufferedCandidateEvents){a.transceivers[t].bufferedCandidateEvents.push(e)}};n.addEventListener("localcandidate",this.transceivers[t].bufferCandidates);return n};f.prototype._gather=function(t,r){var a=this,n=this.transceivers[r].iceGatherer;if(n.onlocalcandidate){return}var i=this.transceivers[r].bufferedCandidateEvents;this.transceivers[r].bufferedCandidateEvents=null;n.removeEventListener("localcandidate",this.transceivers[r].bufferCandidates);n.onlocalcandidate=function(e){if(a.usingBundle&&0<r){return}var i=new Event("icecandidate");i.candidate={sdpMid:t,sdpMLineIndex:r};var o=e.candidate,s=!o||0===Object.keys(o).length;if(s){if("new"===n.state||"gathering"===n.state){n.state="completed"}}else{if("new"===n.state){n.state="gathering"}o.component=1;o.ufrag=n.getLocalParameters().usernameFragment;var d=c.writeCandidate(o);i.candidate=Object.assign(i.candidate,c.parseCandidate(d));i.candidate.candidate=d;i.candidate.toJSON=function(){return{candidate:i.candidate.candidate,sdpMid:i.candidate.sdpMid,sdpMLineIndex:i.candidate.sdpMLineIndex,usernameFragment:i.candidate.usernameFragment}}}var p=c.getMediaSections(a._localDescription.sdp);if(!s){p[i.candidate.sdpMLineIndex]+="a="+i.candidate.candidate+"\r\n"}else{p[i.candidate.sdpMLineIndex]+="a=end-of-candidates\r\n"}a._localDescription.sdp=c.getDescription(a._localDescription.sdp)+p.join("");var l=a.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});if("gathering"!==a.iceGatheringState){a.iceGatheringState="gathering";a._emitGatheringStateChange()}if(!s){a._dispatchEvent("icecandidate",i)}if(l){a._dispatchEvent("icecandidate",new Event("icecandidate"));a.iceGatheringState="complete";a._emitGatheringStateChange()}};e.setTimeout(function(){i.forEach(function(t){n.onlocalcandidate(t)})},0)};f.prototype._createIceAndDtlsTransports=function(){var t=this,r=new e.RTCIceTransport(null);r.onicestatechange=function(){t._updateIceConnectionState();t._updateConnectionState()};var a=new e.RTCDtlsTransport(r);a.ondtlsstatechange=function(){t._updateConnectionState()};a.onerror=function(){Object.defineProperty(a,"state",{value:"failed",writable:!0});t._updateConnectionState()};return{iceTransport:r,dtlsTransport:a}};f.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;if(t){delete t.onlocalcandidate;delete this.transceivers[e].iceGatherer}var r=this.transceivers[e].iceTransport;if(r){delete r.onicestatechange;delete this.transceivers[e].iceTransport}var a=this.transceivers[e].dtlsTransport;if(a){delete a.ondtlsstatechange;delete a.onerror;delete this.transceivers[e].dtlsTransport}};f.prototype._transceive=function(e,r,a){var n=i(e.localCapabilities,e.remoteCapabilities);if(r&&e.rtpSender){n.encodings=e.sendEncodingParameters;n.rtcp={cname:c.localCName,compound:e.rtcpParameters.compound};if(e.recvEncodingParameters.length){n.rtcp.ssrc=e.recvEncodingParameters[0].ssrc}e.rtpSender.send(n)}if(a&&e.rtpReceiver&&0<n.codecs.length){if("video"===e.kind&&e.recvEncodingParameters&&15019>t){e.recvEncodingParameters.forEach(function(e){delete e.rtx})}if(e.recvEncodingParameters.length){n.encodings=e.recvEncodingParameters}else{n.encodings=[{}]}n.rtcp={compound:e.rtcpParameters.compound};if(e.rtcpParameters.cname){n.rtcp.cname=e.rtcpParameters.cname}if(e.sendEncodingParameters.length){n.rtcp.ssrc=e.sendEncodingParameters[0].ssrc}e.rtpReceiver.receive(n)}};f.prototype.setLocalDescription=function(e){var t=this;if(-1===["offer","answer"].indexOf(e.type)){return Promise.reject(d("TypeError","Unsupported type \""+e.type+"\""))}if(!o("setLocalDescription",e.type,t.signalingState)||t._isClosed){return Promise.reject(d("InvalidStateError","Can not set local "+e.type+" in state "+t.signalingState))}var r,a;if("offer"===e.type){r=c.splitSections(e.sdp);a=r.shift();r.forEach(function(e,r){var a=c.parseRtpParameters(e);t.transceivers[r].localCapabilities=a});t.transceivers.forEach(function(e,r){t._gather(e.mid,r)})}else if("answer"===e.type){r=c.splitSections(t._remoteDescription.sdp);a=r.shift();var n=0<c.matchPrefix(a,"a=ice-lite").length;r.forEach(function(e,r){var o=t.transceivers[r],s=o.iceGatherer,d=o.iceTransport,p=o.dtlsTransport,l=o.localCapabilities,m=o.remoteCapabilities,f=c.isRejected(e)&&0===c.matchPrefix(e,"a=bundle-only").length;if(!f&&!o.rejected){var h=c.getIceParameters(e,a),g=c.getDtlsParameters(e,a);if(n){g.role="server"}if(!t.usingBundle||0===r){t._gather(o.mid,r);if("new"===d.state){d.start(s,h,n?"controlling":"controlled")}if("new"===p.state){p.start(g)}}var u=i(l,m);t._transceive(o,0<u.codecs.length,!1)}})}t._localDescription={type:e.type,sdp:e.sdp};if("offer"===e.type){t._updateSignalingState("have-local-offer")}else{t._updateSignalingState("stable")}return Promise.resolve()};f.prototype.setRemoteDescription=function(r){var a=this;if(-1===["offer","answer"].indexOf(r.type)){return Promise.reject(d("TypeError","Unsupported type \""+r.type+"\""))}if(!o("setRemoteDescription",r.type,a.signalingState)||a._isClosed){return Promise.reject(d("InvalidStateError","Can not set remote "+r.type+" in state "+a.signalingState))}var n={};a.remoteStreams.forEach(function(e){n[e.id]=e});var f=[],h=c.splitSections(r.sdp),g=h.shift(),u=0<c.matchPrefix(g,"a=ice-lite").length,y=0<c.matchPrefix(g,"a=group:BUNDLE ").length;a.usingBundle=y;var v=c.matchPrefix(g,"a=ice-options:")[0];if(v){a.canTrickleIceCandidates=0<=v.substr(14).split(" ").indexOf("trickle")}else{a.canTrickleIceCandidates=!1}h.forEach(function(o,d){var m=c.splitLines(o),h=c.getKind(o),v=c.isRejected(o)&&0===c.matchPrefix(o,"a=bundle-only").length,C=m[0].substr(2).split(" ")[2],T=c.getDirection(o,g),S=c.parseMsid(o),R=c.getMid(o)||c.generateIdentifier();if(v||"application"===h&&("DTLS/SCTP"===C||"UDP/DTLS/SCTP"===C)){a.transceivers[d]={mid:R,kind:h,protocol:C,rejected:!0};return}if(!v&&a.transceivers[d]&&a.transceivers[d].rejected){a.transceivers[d]=a._createTransceiver(h,!0)}var P,_,E,k,b,x,M,D,I,w=c.parseRtpParameters(o),L,G;if(!v){L=c.getIceParameters(o,g);G=c.getDtlsParameters(o,g);G.role="client"}M=c.parseRtpEncodingParameters(o);var j=c.parseRtcpParameters(o),O=0<c.matchPrefix(o,"a=end-of-candidates",g).length,A=c.matchPrefix(o,"a=candidate:").map(function(e){return c.parseCandidate(e)}).filter(function(e){return 1===e.component});if(("offer"===r.type||"answer"===r.type)&&!v&&y&&0<d&&a.transceivers[d]){a._disposeIceAndDtlsTransports(d);a.transceivers[d].iceGatherer=a.transceivers[0].iceGatherer;a.transceivers[d].iceTransport=a.transceivers[0].iceTransport;a.transceivers[d].dtlsTransport=a.transceivers[0].dtlsTransport;if(a.transceivers[d].rtpSender){a.transceivers[d].rtpSender.setTransport(a.transceivers[0].dtlsTransport)}if(a.transceivers[d].rtpReceiver){a.transceivers[d].rtpReceiver.setTransport(a.transceivers[0].dtlsTransport)}}if("offer"===r.type&&!v){P=a.transceivers[d]||a._createTransceiver(h);P.mid=R;if(!P.iceGatherer){P.iceGatherer=a._createIceGatherer(d,y)}if(A.length&&"new"===P.iceTransport.state){if(O&&(!y||0===d)){P.iceTransport.setRemoteCandidates(A)}else{A.forEach(function(e){s(P.iceTransport,e)})}}D=e.RTCRtpReceiver.getCapabilities(h);if(15019>t){D.codecs=D.codecs.filter(function(e){return"rtx"!==e.name})}x=P.sendEncodingParameters||[{ssrc:1001*(2*d+2)}];var U=!1;if("sendrecv"===T||"sendonly"===T){U=!P.rtpReceiver;b=P.rtpReceiver||new e.RTCRtpReceiver(P.dtlsTransport,h);if(U){var F;I=b.track;if(S&&"-"===S.stream){}else if(S){if(!n[S.stream]){n[S.stream]=new e.MediaStream;Object.defineProperty(n[S.stream],"id",{get:function get(){return S.stream}})}Object.defineProperty(I,"id",{get:function get(){return S.track}});F=n[S.stream]}else{if(!n.default){n.default=new e.MediaStream}F=n.default}if(F){p(I,F);P.associatedRemoteMediaStreams.push(F)}f.push([I,b,F])}}else if(P.rtpReceiver&&P.rtpReceiver.track){P.associatedRemoteMediaStreams.forEach(function(e){var t=e.getTracks().find(function(e){return e.id===P.rtpReceiver.track.id});if(t){l(t,e)}});P.associatedRemoteMediaStreams=[]}P.localCapabilities=D;P.remoteCapabilities=w;P.rtpReceiver=b;P.rtcpParameters=j;P.sendEncodingParameters=x;P.recvEncodingParameters=M;a._transceive(a.transceivers[d],!1,U)}else if("answer"===r.type&&!v){P=a.transceivers[d];_=P.iceGatherer;E=P.iceTransport;k=P.dtlsTransport;b=P.rtpReceiver;x=P.sendEncodingParameters;D=P.localCapabilities;a.transceivers[d].recvEncodingParameters=M;a.transceivers[d].remoteCapabilities=w;a.transceivers[d].rtcpParameters=j;if(A.length&&"new"===E.state){if((u||O)&&(!y||0===d)){E.setRemoteCandidates(A)}else{A.forEach(function(e){s(P.iceTransport,e)})}}if(!y||0===d){if("new"===E.state){E.start(_,L,"controlling")}if("new"===k.state){k.start(G)}}var N=i(P.localCapabilities,P.remoteCapabilities),z=N.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length;if(!z&&P.sendEncodingParameters[0].rtx){delete P.sendEncodingParameters[0].rtx}a._transceive(P,"sendrecv"===T||"recvonly"===T,"sendrecv"===T||"sendonly"===T);if(b&&("sendrecv"===T||"sendonly"===T)){I=b.track;if(S){if(!n[S.stream]){n[S.stream]=new e.MediaStream}p(I,n[S.stream]);f.push([I,b,n[S.stream]])}else{if(!n.default){n.default=new e.MediaStream}p(I,n.default);f.push([I,b,n.default])}}else{delete P.rtpReceiver}}});if(a._dtlsRole===void 0){a._dtlsRole="offer"===r.type?"active":"passive"}a._remoteDescription={type:r.type,sdp:r.sdp};if("offer"===r.type){a._updateSignalingState("have-remote-offer")}else{a._updateSignalingState("stable")}Object.keys(n).forEach(function(t){var r=n[t];if(r.getTracks().length){if(-1===a.remoteStreams.indexOf(r)){a.remoteStreams.push(r);var i=new Event("addstream");i.stream=r;e.setTimeout(function(){a._dispatchEvent("addstream",i)})}f.forEach(function(e){var t=e[0],n=e[1];if(r.id!==e[2].id){return}m(a,t,n,[r])})}});f.forEach(function(e){if(e[2]){return}m(a,e[0],e[1],[])});e.setTimeout(function(){if(!(a&&a.transceivers)){return}a.transceivers.forEach(function(e){if(e.iceTransport&&"new"===e.iceTransport.state&&0<e.iceTransport.getRemoteCandidates().length){console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification");e.iceTransport.addRemoteCandidate({})}})},4e3);return Promise.resolve()};f.prototype.close=function(){this.transceivers.forEach(function(e){if(e.iceTransport){e.iceTransport.stop()}if(e.dtlsTransport){e.dtlsTransport.stop()}if(e.rtpSender){e.rtpSender.stop()}if(e.rtpReceiver){e.rtpReceiver.stop()}});this._isClosed=!0;this._updateSignalingState("closed")};f.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)};f.prototype._maybeFireNegotiationNeeded=function(){var t=this;if("stable"!==this.signalingState||!0===this.needNegotiation){return}this.needNegotiation=!0;e.setTimeout(function(){if(t.needNegotiation){t.needNegotiation=!1;var e=new Event("negotiationneeded");t._dispatchEvent("negotiationneeded",e)}},0)};f.prototype._updateIceConnectionState=function(){var e,t={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(e){if(e.iceTransport&&!e.rejected){t[e.iceTransport.state]++}});e="new";if(0<t.failed){e="failed"}else if(0<t.checking){e="checking"}else if(0<t.disconnected){e="disconnected"}else if(0<t.new){e="new"}else if(0<t.connected){e="connected"}else if(0<t.completed){e="completed"}if(e!==this.iceConnectionState){this.iceConnectionState=e;var r=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",r)}};f.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(e){if(e.iceTransport&&e.dtlsTransport&&!e.rejected){t[e.iceTransport.state]++;t[e.dtlsTransport.state]++}});t.connected+=t.completed;e="new";if(0<t.failed){e="failed"}else if(0<t.connecting){e="connecting"}else if(0<t.disconnected){e="disconnected"}else if(0<t.new){e="new"}else if(0<t.connected){e="connected"}if(e!==this.connectionState){this.connectionState=e;var r=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",r)}};f.prototype.createOffer=function(){var r=this;if(r._isClosed){return Promise.reject(d("InvalidStateError","Can not call createOffer after close"))}var n=r.transceivers.filter(function(e){return"audio"===e.kind}).length,i=r.transceivers.filter(function(e){return"video"===e.kind}).length,o=arguments[0];if(o){if(o.mandatory||o.optional){throw new TypeError("Legacy mandatory/optional constraints not supported.")}if(o.offerToReceiveAudio!==void 0){if(!0===o.offerToReceiveAudio){n=1}else if(!1===o.offerToReceiveAudio){n=0}else{n=o.offerToReceiveAudio}}if(o.offerToReceiveVideo!==void 0){if(!0===o.offerToReceiveVideo){i=1}else if(!1===o.offerToReceiveVideo){i=0}else{i=o.offerToReceiveVideo}}}r.transceivers.forEach(function(e){if("audio"===e.kind){n--;if(0>n){e.wantReceive=!1}}else if("video"===e.kind){i--;if(0>i){e.wantReceive=!1}}});while(0<n||0<i){if(0<n){r._createTransceiver("audio");n--}if(0<i){r._createTransceiver("video");i--}}var s=c.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);r.transceivers.forEach(function(a,n){var i=a.track,o=a.kind,s=a.mid||c.generateIdentifier();a.mid=s;if(!a.iceGatherer){a.iceGatherer=r._createIceGatherer(n,r.usingBundle)}var d=e.RTCRtpSender.getCapabilities(o);if(15019>t){d.codecs=d.codecs.filter(function(e){return"rtx"!==e.name})}d.codecs.forEach(function(e){if("H264"===e.name&&e.parameters["level-asymmetry-allowed"]===void 0){e.parameters["level-asymmetry-allowed"]="1"}if(a.remoteCapabilities&&a.remoteCapabilities.codecs){a.remoteCapabilities.codecs.forEach(function(t){if(e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate){e.preferredPayloadType=t.payloadType}})}});d.headerExtensions.forEach(function(e){var t=a.remoteCapabilities&&a.remoteCapabilities.headerExtensions||[];t.forEach(function(t){if(e.uri===t.uri){e.id=t.id}})});var p=a.sendEncodingParameters||[{ssrc:1001*(2*n+1)}];if(i){if(15019<=t&&"video"===o&&!p[0].rtx){p[0].rtx={ssrc:p[0].ssrc+1}}}if(a.wantReceive){a.rtpReceiver=new e.RTCRtpReceiver(a.dtlsTransport,o)}a.localCapabilities=d;a.sendEncodingParameters=p});if("max-compat"!==r._config.bundlePolicy){s+="a=group:BUNDLE "+r.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"}s+="a=ice-options:trickle\r\n";r.transceivers.forEach(function(e,t){s+=a(e,e.localCapabilities,"offer",e.stream,r._dtlsRole);s+="a=rtcp-rsize\r\n";if(e.iceGatherer&&"new"!==r.iceGatheringState&&(0===t||!r.usingBundle)){e.iceGatherer.getLocalCandidates().forEach(function(e){e.component=1;s+="a="+c.writeCandidate(e)+"\r\n"});if("completed"===e.iceGatherer.state){s+="a=end-of-candidates\r\n"}}});var p=new e.RTCSessionDescription({type:"offer",sdp:s});return Promise.resolve(p)};f.prototype.createAnswer=function(){var r=this;if(r._isClosed){return Promise.reject(d("InvalidStateError","Can not call createAnswer after close"))}if(!("have-remote-offer"===r.signalingState||"have-local-pranswer"===r.signalingState)){return Promise.reject(d("InvalidStateError","Can not call createAnswer in signalingState "+r.signalingState))}var n=c.writeSessionBoilerplate(r._sdpSessionId,r._sdpSessionVersion++);if(r.usingBundle){n+="a=group:BUNDLE "+r.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"}n+="a=ice-options:trickle\r\n";var o=c.getMediaSections(r._remoteDescription.sdp).length;r.transceivers.forEach(function(e,s){if(s+1>o){return}if(e.rejected){if("application"===e.kind){if("DTLS/SCTP"===e.protocol){n+="m=application 0 DTLS/SCTP 5000\r\n"}else{n+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n"}}else if("audio"===e.kind){n+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n"}else if("video"===e.kind){n+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"}n+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n";return}if(e.stream){var d;if("audio"===e.kind){d=e.stream.getAudioTracks()[0]}else if("video"===e.kind){d=e.stream.getVideoTracks()[0]}if(d){if(15019<=t&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx){e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1}}}}var c=i(e.localCapabilities,e.remoteCapabilities),p=c.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length;if(!p&&e.sendEncodingParameters[0].rtx){delete e.sendEncodingParameters[0].rtx}n+=a(e,c,"answer",e.stream,r._dtlsRole);if(e.rtcpParameters&&e.rtcpParameters.reducedSize){n+="a=rtcp-rsize\r\n"}});var s=new e.RTCSessionDescription({type:"answer",sdp:n});return Promise.resolve(s)};f.prototype.addIceCandidate=function(e){var t=this,r;if(e&&!(e.sdpMLineIndex!==void 0||e.sdpMid)){return Promise.reject(new TypeError("sdpMLineIndex or sdpMid required"))}return new Promise(function(a,n){if(!t._remoteDescription){return n(d("InvalidStateError","Can not add ICE candidate without a remote description"))}else if(!e||""===e.candidate){for(var o=0;o<t.transceivers.length;o++){if(t.transceivers[o].rejected){continue}t.transceivers[o].iceTransport.addRemoteCandidate({});r=c.getMediaSections(t._remoteDescription.sdp);r[o]+="a=end-of-candidates\r\n";t._remoteDescription.sdp=c.getDescription(t._remoteDescription.sdp)+r.join("");if(t.usingBundle){break}}}else{var p=e.sdpMLineIndex;if(e.sdpMid){for(var l=0;l<t.transceivers.length;l++){if(t.transceivers[l].mid===e.sdpMid){p=l;break}}}var m=t.transceivers[p];if(m){if(m.rejected){return a()}var f=0<Object.keys(e.candidate).length?c.parseCandidate(e.candidate):{};if("tcp"===f.protocol&&(0===f.port||9===f.port)){return a()}if(f.component&&1!==f.component){return a()}if(0===p||0<p&&m.iceTransport!==t.transceivers[0].iceTransport){if(!s(m.iceTransport,f)){return n(d("OperationError","Can not add ICE candidate"))}}var h=e.candidate.trim();if(0===h.indexOf("a=")){h=h.substr(2)}r=c.getMediaSections(t._remoteDescription.sdp);r[p]+="a="+(f.type?h:"end-of-candidates")+"\r\n";t._remoteDescription.sdp=c.getDescription(t._remoteDescription.sdp)+r.join("")}else{return n(d("OperationError","Can not add ICE candidate"))}}a()})};f.prototype.getStats=function(t){if(t&&t instanceof e.MediaStreamTrack){var r=null;this.transceivers.forEach(function(e){if(e.rtpSender&&e.rtpSender.track===t){r=e.rtpSender}else if(e.rtpReceiver&&e.rtpReceiver.track===t){r=e.rtpReceiver}});if(!r){throw d("InvalidAccessError","Invalid selector.")}return r.getStats()}var a=[];this.transceivers.forEach(function(e){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(t){if(e[t]){a.push(e[t].getStats())}})});return Promise.all(a).then(function(e){var t=new Map;e.forEach(function(e){e.forEach(function(e){t.set(e.id,e)})});return t})};["RTCRtpSender","RTCRtpReceiver","RTCIceGatherer","RTCIceTransport","RTCDtlsTransport"].forEach(function(t){var a=e[t];if(a&&a.prototype&&a.prototype.getStats){var n=a.prototype.getStats;a.prototype.getStats=function(){return n.apply(this).then(function(e){var t=new Map;Object.keys(e).forEach(function(a){e[a].type=r(e[a]);t.set(a,e[a])});return t})}}});var h=["createOffer","createAnswer"];h.forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[0]||"function"==typeof e[1]){return t.apply(this,[arguments[2]]).then(function(t){if("function"==typeof e[0]){e[0].apply(null,[t])}},function(t){if("function"==typeof e[1]){e[1].apply(null,[t])}})}return t.apply(this,arguments)}});h=["setLocalDescription","setRemoteDescription","addIceCandidate"];h.forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[1]||"function"==typeof e[2]){return t.apply(this,arguments).then(function(){if("function"==typeof e[1]){e[1].apply(null)}},function(t){if("function"==typeof e[2]){e[2].apply(null,[t])}})}return t.apply(this,arguments)}});["getStats"].forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[1]){return t.apply(this,arguments).then(function(){if("function"==typeof e[1]){e[1].apply(null)}})}return t.apply(this,arguments)}});return f}},{sdp:17}],17:[function(e,t){'use strict';var r={generateIdentifier:function(){return Math.random().toString(36).substr(2,10)}};r.localCName=r.generateIdentifier();r.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})};r.splitSections=function(e){var t=e.split("\nm=");return t.map(function(e,t){return(0<t?"m="+e:e).trim()+"\r\n"})};r.getDescription=function(e){var t=r.splitSections(e);return t&&t[0]};r.getMediaSections=function(e){var t=r.splitSections(e);t.shift();return t};r.matchPrefix=function(e,t){return r.splitLines(e).filter(function(e){return 0===e.indexOf(t)})};r.parseCandidate=function(e){var t;if(0===e.indexOf("a=candidate:")){t=e.substring(12).split(" ")}else{t=e.substring(10).split(" ")}for(var r={foundation:t[0],component:parseInt(t[1],10),protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]},a=8;a<t.length;a+=2){switch(t[a]){case"raddr":r.relatedAddress=t[a+1];break;case"rport":r.relatedPort=parseInt(t[a+1],10);break;case"tcptype":r.tcpType=t[a+1];break;case"ufrag":r.ufrag=t[a+1];r.usernameFragment=t[a+1];break;default:r[t[a]]=t[a+1];break;}}return r};r.writeCandidate=function(e){var t=[e.foundation,e.component,e.protocol.toUpperCase(),e.priority,e.address||e.ip,e.port],r=e.type;t.push("typ");t.push(r);if("host"!==r&&e.relatedAddress&&e.relatedPort){t.push("raddr");t.push(e.relatedAddress);t.push("rport");t.push(e.relatedPort)}if(e.tcpType&&"tcp"===e.protocol.toLowerCase()){t.push("tcptype");t.push(e.tcpType)}if(e.usernameFragment||e.ufrag){t.push("ufrag");t.push(e.usernameFragment||e.ufrag)}return"candidate:"+t.join(" ")};r.parseIceOptions=function(e){return e.substr(14).split(" ")};r.parseRtpMap=function(e){var t=e.substr(9).split(" "),r={payloadType:parseInt(t.shift(),10)};t=t[0].split("/");r.name=t[0];r.clockRate=parseInt(t[1],10);r.channels=3===t.length?parseInt(t[2],10):1;r.numChannels=r.channels;return r};r.writeRtpMap=function(e){var t=e.payloadType;if(e.preferredPayloadType!==void 0){t=e.preferredPayloadType}var r=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==r?"/"+r:"")+"\r\n"};r.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),direction:0<t[0].indexOf("/")?t[0].split("/")[1]:"sendrecv",uri:t[1]}};r.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"};r.parseFmtp=function(e){for(var t={},r,a=e.substr(e.indexOf(" ")+1).split(";"),n=0;n<a.length;n++){r=a[n].trim().split("=");t[r[0].trim()]=r[1]}return t};r.writeFmtp=function(e){var t="",r=e.payloadType;if(e.preferredPayloadType!==void 0){r=e.preferredPayloadType}if(e.parameters&&Object.keys(e.parameters).length){var a=[];Object.keys(e.parameters).forEach(function(t){if(e.parameters[t]){a.push(t+"="+e.parameters[t])}else{a.push(t)}});t+="a=fmtp:"+r+" "+a.join(";")+"\r\n"}return t};r.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}};r.writeRtcpFb=function(e){var t="",r=e.payloadType;if(e.preferredPayloadType!==void 0){r=e.preferredPayloadType}if(e.rtcpFeedback&&e.rtcpFeedback.length){e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+r+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"})}return t};r.parseSsrcMedia=function(e){var t=e.indexOf(" "),r={ssrc:parseInt(e.substr(7,t-7),10)},a=e.indexOf(":",t);if(-1<a){r.attribute=e.substr(t+1,a-t-1);r.value=e.substr(a+1)}else{r.attribute=e.substr(t+1)}return r};r.parseSsrcGroup=function(e){var t=e.substr(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(function(e){return parseInt(e,10)})}};r.getMid=function(e){var t=r.matchPrefix(e,"a=mid:")[0];if(t){return t.substr(6)}};r.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}};r.getDtlsParameters=function(e,t){var a=r.matchPrefix(e+t,"a=fingerprint:");return{role:"auto",fingerprints:a.map(r.parseFingerprint)}};r.writeDtlsParameters=function(e,t){var r="a=setup:"+t+"\r\n";e.fingerprints.forEach(function(e){r+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"});return r};r.getIceParameters=function(e,t){var a=r.splitLines(e);a=a.concat(r.splitLines(t));var n={usernameFragment:a.filter(function(e){return 0===e.indexOf("a=ice-ufrag:")})[0].substr(12),password:a.filter(function(e){return 0===e.indexOf("a=ice-pwd:")})[0].substr(10)};return n};r.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"};r.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},a=r.splitLines(e),n=a[0].split(" "),o=3;o<n.length;o++){var s=n[o],d=r.matchPrefix(e,"a=rtpmap:"+s+" ")[0];if(d){var c=r.parseRtpMap(d),p=r.matchPrefix(e,"a=fmtp:"+s+" ");c.parameters=p.length?r.parseFmtp(p[0]):{};c.rtcpFeedback=r.matchPrefix(e,"a=rtcp-fb:"+s+" ").map(r.parseRtcpFb);t.codecs.push(c);switch(c.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(c.name.toUpperCase());break;default:break;}}}r.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(r.parseExtmap(e))});return t};r.writeRtpDescription=function(e,t){var a="";a+="m="+e+" ";a+=0<t.codecs.length?"9":"0";a+=" UDP/TLS/RTP/SAVPF ";a+=t.codecs.map(function(e){if(e.preferredPayloadType!==void 0){return e.preferredPayloadType}return e.payloadType}).join(" ")+"\r\n";a+="c=IN IP4 0.0.0.0\r\n";a+="a=rtcp:9 IN IP4 0.0.0.0\r\n";t.codecs.forEach(function(e){a+=r.writeRtpMap(e);a+=r.writeFmtp(e);a+=r.writeRtcpFb(e)});var n=0;t.codecs.forEach(function(e){if(e.maxptime>n){n=e.maxptime}});if(0<n){a+="a=maxptime:"+n+"\r\n"}a+="a=rtcp-mux\r\n";if(t.headerExtensions){t.headerExtensions.forEach(function(e){a+=r.writeExtmap(e)})}return a};r.parseRtpEncodingParameters=function(e){var t=[],a=r.parseRtpParameters(e),n=-1!==a.fecMechanisms.indexOf("RED"),i=-1!==a.fecMechanisms.indexOf("ULPFEC"),o=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),s=0<o.length&&o[0].ssrc,d,c=r.matchPrefix(e,"a=ssrc-group:FID").map(function(e){var t=e.substr(17).split(" ");return t.map(function(e){return parseInt(e,10)})});if(0<c.length&&1<c[0].length&&c[0][0]===s){d=c[0][1]}a.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var r={ssrc:s,codecPayloadType:parseInt(e.parameters.apt,10)};if(s&&d){r.rtx={ssrc:d}}t.push(r);if(n){r=JSON.parse(JSON.stringify(r));r.fec={ssrc:s,mechanism:i?"red+ulpfec":"red"};t.push(r)}}});if(0===t.length&&s){t.push({ssrc:s})}var p=r.matchPrefix(e,"b=");if(p.length){if(0===p[0].indexOf("b=TIAS:")){p=parseInt(p[0].substr(7),10)}else if(0===p[0].indexOf("b=AS:")){p=.95*(1e3*parseInt(p[0].substr(5),10))-16000}else{p=void 0}t.forEach(function(e){e.maxBitrate=p})}return t};r.parseRtcpParameters=function(e){var t={},a=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];if(a){t.cname=a.value;t.ssrc=a.ssrc}var n=r.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=0<n.length;t.compound=0===n.length;var i=r.matchPrefix(e,"a=rtcp-mux");t.mux=0<i.length;return t};r.parseMsid=function(e){var t,a=r.matchPrefix(e,"a=msid:");if(1===a.length){t=a[0].substr(7).split(" ");return{stream:t[0],track:t[1]}}var n=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});if(0<n.length){t=n[0].value.split(" ");return{stream:t[0],track:t[1]}}};r.parseSctpDescription=function(e){var t=r.parseMLine(e),a=r.matchPrefix(e,"a=max-message-size:"),n;if(0<a.length){n=parseInt(a[0].substr(19),10)}if(isNaN(n)){n=65536}var i=r.matchPrefix(e,"a=sctp-port:");if(0<i.length){return{port:parseInt(i[0].substr(12),10),protocol:t.fmt,maxMessageSize:n}}var o=r.matchPrefix(e,"a=sctpmap:");if(0<o.length){var s=r.matchPrefix(e,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(s[0],10),protocol:s[1],maxMessageSize:n}}};r.writeSctpDescription=function(e,t){var r=[];if("DTLS/SCTP"!==e.protocol){r=["m="+e.kind+" 9 "+e.protocol+" "+t.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+t.port+"\r\n"]}else{r=["m="+e.kind+" 9 "+e.protocol+" "+t.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+t.port+" "+t.protocol+" 65535\r\n"]}if(t.maxMessageSize!==void 0){r.push("a=max-message-size:"+t.maxMessageSize+"\r\n")}return r.join("")};r.generateSessionId=function(){return Math.random().toString().substr(2,21)};r.writeSessionBoilerplate=function(e,t,a){var n,i=t!==void 0?t:2;if(e){n=e}else{n=r.generateSessionId()}return"v=0\r\no="+(a||"thisisadapterortc")+" "+n+" "+i+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"};r.writeMediaSection=function(e,t,a,n){var i=r.writeRtpDescription(e.kind,t);i+=r.writeIceParameters(e.iceGatherer.getLocalParameters());i+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===a?"actpass":"active");i+="a=mid:"+e.mid+"\r\n";if(e.direction){i+="a="+e.direction+"\r\n"}else if(e.rtpSender&&e.rtpReceiver){i+="a=sendrecv\r\n"}else if(e.rtpSender){i+="a=sendonly\r\n"}else if(e.rtpReceiver){i+="a=recvonly\r\n"}else{i+="a=inactive\r\n"}if(e.rtpSender){var o="msid:"+n.id+" "+e.rtpSender.track.id+"\r\n";i+="a="+o;i+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+o;if(e.sendEncodingParameters[0].rtx){i+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+o;i+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n"}}i+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n";if(e.rtpSender&&e.sendEncodingParameters[0].rtx){i+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"}return i};r.getDirection=function(e,t){for(var a=r.splitLines(e),n=0;n<a.length;n++){switch(a[n]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return a[n].substr(2);default:}}if(t){return r.getDirection(t)}return"sendrecv"};r.getKind=function(e){var t=r.splitLines(e),a=t[0].split(" ");return a[0].substr(2)};r.isRejected=function(e){return"0"===e.split(" ",2)[1]};r.parseMLine=function(e){var t=r.splitLines(e),a=t[0].substr(2).split(" ");return{kind:a[0],port:parseInt(a[1],10),protocol:a[2],fmt:a.slice(3).join(" ")}};r.parseOLine=function(e){var t=r.matchPrefix(e,"o=")[0],a=t.substr(2).split(" ");return{username:a[0],sessionId:a[1],sessionVersion:parseInt(a[2],10),netType:a[3],addressType:a[4],address:a[5]}};r.isValidSDP=function(e){if("string"!=typeof e||0===e.length){return!1}for(var t=r.splitLines(e),a=0;a<t.length;a++){if(2>t[a].length||"="!==t[a].charAt(1)){return!1}}return!0};if("object"===_typeof2(t)){t.exports=r}},{}]},{},[1])(1)});
+function _typeof2(e){"@babel/helpers - typeof";return _typeof2="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},_typeof2(e)}define ("core/adapter",[],function(){return function r(d,t,n){function a(i,o){if(!t[i]){if(!d[i]){var s="function"==typeof require&&require;if(!o&&s)return s(i,!0);if(e)return e(i,!0);var c=new Error("Cannot find module '"+i+"'");throw c.code="MODULE_NOT_FOUND",c}var p=t[i]={exports:{}};d[i][0].call(p.exports,function(t){var e=d[i][1][t];return a(e?e:t)},p,p.exports,r,d,t,n)}return t[i].exports}for(var e="function"==typeof require&&require,i=0;i<n.length;i++){a(n[i])}return a}({1:[function(e,t){"use strict";var r=e("./adapter_factory.js"),a=(0,r.adapterFactory)({window:window});t.exports=a},{"./adapter_factory.js":2}],2:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.adapterFactory=function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:{},t=e.window,r=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{shimChrome:!0,shimFirefox:!0,shimEdge:!0,shimSafari:!0},a=n.log,i=n.detectBrowser(t),s={browserDetails:i,commonShim:h,extractVersion:n.extractVersion,disableLog:n.disableLog,disableWarnings:n.disableWarnings};switch(i.browser){case"chrome":if(!o||!o.shimPeerConnection||!r.shimChrome){a("Chrome shim is not included in this adapter release.");return s}a("adapter.js shimming chrome.");s.browserShim=o;o.shimGetUserMedia(t);o.shimMediaStream(t);o.shimPeerConnection(t);o.shimOnTrack(t);o.shimAddTrackRemoveTrack(t);o.shimGetSendersWithDtmf(t);o.shimGetStats(t);o.shimSenderReceiverGetStats(t);o.fixNegotiationNeeded(t);h.shimRTCIceCandidate(t);h.shimConnectionState(t);h.shimMaxMessageSize(t);h.shimSendThrowTypeError(t);h.removeAllowExtmapMixed(t);break;case"firefox":if(!p||!p.shimPeerConnection||!r.shimFirefox){a("Firefox shim is not included in this adapter release.");return s}a("adapter.js shimming firefox.");s.browserShim=p;p.shimGetUserMedia(t);p.shimPeerConnection(t);p.shimOnTrack(t);p.shimRemoveStream(t);p.shimSenderGetStats(t);p.shimReceiverGetStats(t);p.shimRTCDataChannel(t);p.shimAddTransceiver(t);p.shimCreateOffer(t);p.shimCreateAnswer(t);h.shimRTCIceCandidate(t);h.shimConnectionState(t);h.shimMaxMessageSize(t);h.shimSendThrowTypeError(t);break;case"edge":if(!d||!d.shimPeerConnection||!r.shimEdge){a("MS edge shim is not included in this adapter release.");return s}a("adapter.js shimming edge.");s.browserShim=d;d.shimGetUserMedia(t);d.shimGetDisplayMedia(t);d.shimPeerConnection(t);d.shimReplaceTrack(t);h.shimMaxMessageSize(t);h.shimSendThrowTypeError(t);break;case"safari":if(!m||!r.shimSafari){a("Safari shim is not included in this adapter release.");return s}a("adapter.js shimming safari.");s.browserShim=m;m.shimRTCIceServerUrls(t);m.shimCreateOfferLegacy(t);m.shimCallbacksAPI(t);m.shimLocalStreamsAPI(t);m.shimRemoteStreamsAPI(t);m.shimTrackEventTransceiver(t);m.shimGetUserMedia(t);h.shimRTCIceCandidate(t);h.shimMaxMessageSize(t);h.shimSendThrowTypeError(t);h.removeAllowExtmapMixed(t);break;default:a("Unsupported browser!");break;}return s};var a=e("./utils"),n=g(a),i=e("./chrome/chrome_shim"),o=g(i),s=e("./edge/edge_shim"),d=g(s),c=e("./firefox/firefox_shim"),p=g(c),l=e("./safari/safari_shim"),m=g(l),f=e("./common_shim"),h=g(f);function g(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=r.shimGetUserMedia=void 0;var a="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)},n=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return n.shimGetUserMedia}});var i=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return i.shimGetDisplayMedia}});r.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream};r.shimOnTrack=c;r.shimGetSendersWithDtmf=p;r.shimGetStats=function(e){if(!e.RTCPeerConnection){return}var t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=this,r=Array.prototype.slice.call(arguments),a=r[0],n=r[1],i=r[2];if(0<arguments.length&&"function"==typeof a){return t.apply(this,arguments)}if(0===t.length&&(0===arguments.length||"function"!=typeof a)){return t.apply(this,[])}var o=function(e){var t={},r=e.result();r.forEach(function(e){var r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(function(t){r[t]=e.stat(t)});t[r.id]=r});return t},s=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};if(2<=arguments.length){var d=function(e){n(s(o(e)))};return t.apply(this,[d,a])}return new Promise(function(r,a){t.apply(e,[function(e){r(s(o(e)))},a])}).then(n,i)}};r.shimSenderReceiverGetStats=l;r.shimAddTrackRemoveTrackWithNative=m;r.shimAddTrackRemoveTrack=function(e){if(!e.RTCPeerConnection){return}var t=s.detectBrowser(e);if(e.RTCPeerConnection.prototype.addTrack&&65<=t.version){return m(e)}var r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this,t=r.apply(this);this._reverseStreams=this._reverseStreams||{};return t.map(function(t){return e._reverseStreams[t.id]})};var a=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){var r=this;this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};t.getTracks().forEach(function(e){var t=r.getSenders().find(function(t){return t.track===e});if(t){throw new DOMException("Track already exists.","InvalidAccessError")}});if(!this._reverseStreams[t.id]){var n=new e.MediaStream(t.getTracks());this._streams[t.id]=n;this._reverseStreams[n.id]=t;t=n}a.apply(this,[t])};var n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};n.apply(this,[this._streams[e.id]||e]);delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id];delete this._streams[e.id]};e.RTCPeerConnection.prototype.addTrack=function(r,a){var n=this;if("closed"===this.signalingState){throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError")}var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find(function(e){return e===r})){throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError")}var o=this.getSenders().find(function(e){return e.track===r});if(o){throw new DOMException("Track already exists.","InvalidAccessError")}this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};var s=this._streams[a.id];if(s){s.addTrack(r);Promise.resolve().then(function(){n.dispatchEvent(new Event("negotiationneeded"))})}else{var d=new e.MediaStream([r]);this._streams[a.id]=d;this._reverseStreams[d.id]=a;this.addStream(d)}return this.getSenders().find(function(e){return e.track===r})};function i(e,t){var r=t.sdp;Object.keys(e._reverseStreams||[]).forEach(function(t){var a=e._reverseStreams[t],n=e._streams[a.id];r=r.replace(new RegExp(n.id,"g"),a.id)});return new RTCSessionDescription({type:t.type,sdp:r})}function o(e,t){var r=t.sdp;Object.keys(e._reverseStreams||[]).forEach(function(t){var a=e._reverseStreams[t],n=e._streams[a.id];r=r.replace(new RegExp(a.id,"g"),n.id)});return new RTCSessionDescription({type:t.type,sdp:r})}["createOffer","createAnswer"].forEach(function(t){var r=e.RTCPeerConnection.prototype[t],a=d({},t,function(){var 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r=e.RTCPeerConnection.prototype[t],a=d({},t,function(){arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]);return r.apply(this,arguments)});e.RTCPeerConnection.prototype[t]=a[t]})}var r=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}if(78>t.version&&arguments[0]&&""===arguments[0].candidate){return Promise.resolve()}return r.apply(this,arguments)}};r.fixNegotiationNeeded=function(e){s.wrapPeerConnectionEvent(e,"negotiationneeded",function(t){var e=t.target;if("stable"!==e.signalingState){return}return t})};var o=e("../utils.js"),s=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(o);function d(e,t,r){if(t in e){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0})}else{e[t]=r}return e}function c(t){if("object"===("undefined"==typeof t?"undefined":a(t))&&t.RTCPeerConnection&&!("ontrack"in t.RTCPeerConnection.prototype)){Object.defineProperty(t.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(e){if(this._ontrack){this.removeEventListener("track",this._ontrack)}this.addEventListener("track",this._ontrack=e)},enumerable:!0,configurable:!0});var r=t.RTCPeerConnection.prototype.setRemoteDescription;t.RTCPeerConnection.prototype.setRemoteDescription=function(){var a=this;if(!this._ontrackpoly){this._ontrackpoly=function(r){r.stream.addEventListener("addtrack",function(e){var n;if(t.RTCPeerConnection.prototype.getReceivers){n=a.getReceivers().find(function(t){return t.track&&t.track.id===e.track.id})}else{n={track:e.track}}var i=new Event("track");i.track=e.track;i.receiver=n;i.transceiver={receiver:n};i.streams=[r.stream];a.dispatchEvent(i)});r.stream.getTracks().forEach(function(e){var n;if(t.RTCPeerConnection.prototype.getReceivers){n=a.getReceivers().find(function(t){return t.track&&t.track.id===e.id})}else{n={track:e}}var i=new Event("track");i.track=e;i.receiver=n;i.transceiver={receiver:n};i.streams=[r.stream];a.dispatchEvent(i)})};this.addEventListener("addstream",this._ontrackpoly)}return r.apply(this,arguments)}}else{s.wrapPeerConnectionEvent(t,"track",function(t){if(!t.transceiver){Object.defineProperty(t,"transceiver",{value:{receiver:t.receiver}})}return t})}}function p(e){if("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCPeerConnection&&!("getSenders"in e.RTCPeerConnection.prototype)&&"createDTMFSender"in e.RTCPeerConnection.prototype){var t=function(e,t){return{track:t,get dtmf(){if(this._dtmf===void 0){if("audio"===t.kind){this._dtmf=e.createDTMFSender(t)}else{this._dtmf=null}}return this._dtmf},_pc:e}};if(!e.RTCPeerConnection.prototype.getSenders){e.RTCPeerConnection.prototype.getSenders=function(){this._senders=this._senders||[];return this._senders.slice()};var r=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e){var a=r.apply(this,arguments);if(!a){a=t(this,e);this._senders.push(a)}return a};var n=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){n.apply(this,arguments);var t=this._senders.indexOf(e);if(-1!==t){this._senders.splice(t,1)}}}var i=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;this._senders=this._senders||[];i.apply(this,[e]);e.getTracks().forEach(function(e){r._senders.push(t(r,e))})};var o=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;this._senders=this._senders||[];o.apply(this,[e]);e.getTracks().forEach(function(e){var r=t._senders.find(function(t){return t.track===e});if(r){t._senders.splice(t._senders.indexOf(r),1)}})}}else if("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCPeerConnection&&"getSenders"in e.RTCPeerConnection.prototype&&"createDTMFSender"in e.RTCPeerConnection.prototype&&e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){var s=e.RTCPeerConnection.prototype.getSenders;e.RTCPeerConnection.prototype.getSenders=function(){var e=this,t=s.apply(this,[]);t.forEach(function(t){return t._pc=e});return t};Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){if(this._dtmf===void 0){if("audio"===this.track.kind){this._dtmf=this._pc.createDTMFSender(this.track)}else{this._dtmf=null}}return this._dtmf}})}}function l(e){if(!("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCPeerConnection&&e.RTCRtpSender&&e.RTCRtpReceiver)){return}if(!("getStats"in e.RTCRtpSender.prototype)){var t=e.RTCPeerConnection.prototype.getSenders;if(t){e.RTCPeerConnection.prototype.getSenders=function(){var e=this,r=t.apply(this,[]);r.forEach(function(t){return t._pc=e});return r}}var r=e.RTCPeerConnection.prototype.addTrack;if(r){e.RTCPeerConnection.prototype.addTrack=function(){var e=r.apply(this,arguments);e._pc=this;return e}}e.RTCRtpSender.prototype.getStats=function(){var e=this;return this._pc.getStats().then(function(t){return s.filterStats(t,e.track,!0)})}}if(!("getStats"in e.RTCRtpReceiver.prototype)){var n=e.RTCPeerConnection.prototype.getReceivers;if(n){e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,t=n.apply(this,[]);t.forEach(function(t){return t._pc=e});return t}}s.wrapPeerConnectionEvent(e,"track",function(t){t.receiver._pc=t.srcElement;return t});e.RTCRtpReceiver.prototype.getStats=function(){var e=this;return this._pc.getStats().then(function(t){return s.filterStats(t,e.track,!1)})}}if(!("getStats"in e.RTCRtpSender.prototype&&"getStats"in e.RTCRtpReceiver.prototype)){return}var i=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){if(0<arguments.length&&arguments[0]instanceof e.MediaStreamTrack){var t=arguments[0],r=void 0,a=void 0,n=void 0;this.getSenders().forEach(function(e){if(e.track===t){if(r){n=!0}else{r=e}}});this.getReceivers().forEach(function(e){if(e.track===t){if(a){n=!0}else{a=e}}return e.track===t});if(n||r&&a){return Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError"))}else if(r){return r.getStats()}else if(a){return a.getStats()}return Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return i.apply(this,arguments)}}function m(e){e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};return Object.keys(this._shimmedLocalStreams).map(function(t){return e._shimmedLocalStreams[t][0]})};var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addTrack=function(e,r){if(!r){return t.apply(this,arguments)}this._shimmedLocalStreams=this._shimmedLocalStreams||{};var a=t.apply(this,arguments);if(!this._shimmedLocalStreams[r.id]){this._shimmedLocalStreams[r.id]=[r,a]}else if(-1===this._shimmedLocalStreams[r.id].indexOf(a)){this._shimmedLocalStreams[r.id].push(a)}return a};var r=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(e){var t=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};e.getTracks().forEach(function(e){var r=t.getSenders().find(function(t){return t.track===e});if(r){throw new DOMException("Track already exists.","InvalidAccessError")}});var a=this.getSenders();r.apply(this,arguments);var n=this.getSenders().filter(function(e){return-1===a.indexOf(e)});this._shimmedLocalStreams[e.id]=[e].concat(n)};var a=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._shimmedLocalStreams=this._shimmedLocalStreams||{};delete this._shimmedLocalStreams[e.id];return a.apply(this,arguments)};var n=e.RTCPeerConnection.prototype.removeTrack;e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{};if(e){Object.keys(this._shimmedLocalStreams).forEach(function(r){var a=t._shimmedLocalStreams[r].indexOf(e);if(-1!==a){t._shimmedLocalStreams[r].splice(a,1)}if(1===t._shimmedLocalStreams[r].length){delete t._shimmedLocalStreams[r]}})}return n.apply(this,arguments)}}},{"../utils.js":15,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=a;function a(e,t){if(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices){return}if(!e.navigator.mediaDevices){return}if("function"!=typeof 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r=e.RTCPeerConnection.prototype.createDataChannel;e.RTCPeerConnection.prototype.createDataChannel=function(){var e=r.apply(this,arguments);t(e,this);return e};s.wrapPeerConnectionEvent(e,"datachannel",function(r){t(r.channel,r.target);return r})}function l(e){if(!e.RTCPeerConnection||"connectionState"in e.RTCPeerConnection.prototype){return}var t=e.RTCPeerConnection.prototype;Object.defineProperty(t,"connectionState",{get:function(){return{completed:"connected",checking:"connecting"}[this.iceConnectionState]||this.iceConnectionState},enumerable:!0,configurable:!0});Object.defineProperty(t,"onconnectionstatechange",{get:function(){return this._onconnectionstatechange||null},set:function(e){if(this._onconnectionstatechange){this.removeEventListener("connectionstatechange",this._onconnectionstatechange);delete 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e.RTCPeerConnection.prototype){return}e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;s.deprecated("removeStream","removeTrack");this.getSenders().forEach(function(r){if(r.track&&e.getTracks().includes(r.track)){t.removeTrack(r)}})}}},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=a;function a(e,t){if(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices){return}if(!e.navigator.mediaDevices){return}e.navigator.mediaDevices.getDisplayMedia=function(r){if(!(r&&r.video)){var a=new DOMException("getDisplayMedia without video constraints is undefined");a.name="NotFoundError";a.code=8;return Promise.reject(a)}if(!0===r.video){r.video={mediaSource:t}}else{r.video.mediaSource=t}return e.navigator.mediaDevices.getUserMedia(r)}}},{}],13:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var a="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)};r.shimGetUserMedia=o;var n=e("../utils"),i=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(n);function o(e){var t=i.detectBrowser(e),r=e&&e.navigator,n=e&&e.MediaStreamTrack;r.getUserMedia=function(e,t,a){i.deprecated("navigator.getUserMedia","navigator.mediaDevices.getUserMedia");r.mediaDevices.getUserMedia(e).then(t,a)};if(!(55<t.version&&"autoGainControl"in r.mediaDevices.getSupportedConstraints())){var o=function(e,t,r){if(t in e&&!(r in e)){e[r]=e[t];delete e[t]}},s=r.mediaDevices.getUserMedia.bind(r.mediaDevices);r.mediaDevices.getUserMedia=function(e){if("object"===("undefined"==typeof e?"undefined":a(e))&&"object"===a(e.audio)){e=JSON.parse(JSON.stringify(e));o(e.audio,"autoGainControl","mozAutoGainControl");o(e.audio,"noiseSuppression","mozNoiseSuppression")}return s(e)};if(n&&n.prototype.getSettings){var d=n.prototype.getSettings;n.prototype.getSettings=function(){var e=d.apply(this,arguments);o(e,"mozAutoGainControl","autoGainControl");o(e,"mozNoiseSuppression","noiseSuppression");return e}}if(n&&n.prototype.applyConstraints){var p=n.prototype.applyConstraints;n.prototype.applyConstraints=function(e){if("audio"===this.kind&&"object"===("undefined"==typeof e?"undefined":a(e))){e=JSON.parse(JSON.stringify(e));o(e,"autoGainControl","mozAutoGainControl");o(e,"noiseSuppression","mozNoiseSuppression")}return p.apply(this,[e])}}}}},{"../utils":15}],14:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var a="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof 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if("recvonly"===r.direction){if(r.setDirection){r.setDirection("inactive")}else{r.direction="inactive"}}}else if(!0===e.offerToReceiveAudio&&!r){this.addTransceiver("audio")}if("undefined"!=typeof e.offerToReceiveVideo){e.offerToReceiveVideo=!!e.offerToReceiveVideo}var a=this.getTransceivers().find(function(e){return"video"===e.receiver.track.kind});if(!1===e.offerToReceiveVideo&&a){if("sendrecv"===a.direction){if(a.setDirection){a.setDirection("sendonly")}else{a.direction="sendonly"}}else if("recvonly"===a.direction){if(a.setDirection){a.setDirection("inactive")}else{a.direction="inactive"}}}else if(!0===e.offerToReceiveVideo&&!a){this.addTransceiver("video")}}return t.apply(this,arguments)}};var n=e("../utils"),i=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(n);function o(e){if("object"!==("undefined"==typeof e?"undefined":a(e))||!e.RTCPeerConnection){return}if(!("getLocalStreams"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[]}return this._localStreams}}if(!("addStream"in e.RTCPeerConnection.prototype)){var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;if(!this._localStreams){this._localStreams=[]}if(!this._localStreams.includes(e)){this._localStreams.push(e)}e.getAudioTracks().forEach(function(a){return t.call(r,a,e)});e.getVideoTracks().forEach(function(a){return t.call(r,a,e)})};e.RTCPeerConnection.prototype.addTrack=function(){var e=arguments[1];if(e){if(!this._localStreams){this._localStreams=[e]}else if(!this._localStreams.includes(e)){this._localStreams.push(e)}}return t.apply(this,arguments)}}if(!("removeStream"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;if(!this._localStreams){this._localStreams=[]}var r=this._localStreams.indexOf(e);if(-1===r){return}this._localStreams.splice(r,1);var a=e.getTracks();this.getSenders().forEach(function(e){if(a.includes(e.track)){t.removeTrack(e)}})}}}function s(e){if("object"!==("undefined"==typeof e?"undefined":a(e))||!e.RTCPeerConnection){return}if(!("getRemoteStreams"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}}if(!("onaddstream"in e.RTCPeerConnection.prototype)){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){var t=this;if(this._onaddstream){this.removeEventListener("addstream",this._onaddstream);this.removeEventListener("track",this._onaddstreampoly)}this.addEventListener("addstream",this._onaddstream=e);this.addEventListener("track",this._onaddstreampoly=function(r){r.streams.forEach(function(e){if(!t._remoteStreams){t._remoteStreams=[]}if(t._remoteStreams.includes(e)){return}t._remoteStreams.push(e);var r=new Event("addstream");r.stream=e;t.dispatchEvent(r)})})}});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var e=this;if(!this._onaddstreampoly){this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach(function(t){if(!e._remoteStreams){e._remoteStreams=[]}if(0<=e._remoteStreams.indexOf(t)){return}e._remoteStreams.push(t);var r=new Event("addstream");r.stream=t;e.dispatchEvent(r)})})}return t.apply(e,arguments)}}}function d(e){if(e&&e.video!==void 0){return Object.assign({},e,{video:i.compactObject(e.video)})}return e}function c(e){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){for(var a=[],n=0,o;n<e.iceServers.length;n++){o=e.iceServers[n];if(!o.hasOwnProperty("urls")&&o.hasOwnProperty("url")){i.deprecated("RTCIceServer.url","RTCIceServer.urls");o=JSON.parse(JSON.stringify(o));o.urls=o.url;delete o.url;a.push(o)}else{a.push(e.iceServers[n])}}e.iceServers=a}return new t(e,r)};e.RTCPeerConnection.prototype=t.prototype;if("generateCertificate"in e.RTCPeerConnection){Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:function(){return t.generateCertificate}})}}function p(e){if("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)){Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})}}},{"../utils":15}],15:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var a="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)};r.extractVersion=s;r.wrapPeerConnectionEvent=function(e,t,r){if(!e.RTCPeerConnection){return}var a=e.RTCPeerConnection.prototype,n=a.addEventListener;a.addEventListener=function(e,a){if(e!==t){return n.apply(this,arguments)}var i=function(t){var e=r(t);if(e){a(e)}};this._eventMap=this._eventMap||{};this._eventMap[a]=i;return n.apply(this,[e,i])};var i=a.removeEventListener;a.removeEventListener=function(e,r){if(e!==t||!this._eventMap||!this._eventMap[r]){return i.apply(this,arguments)}var a=this._eventMap[r];delete this._eventMap[r];return i.apply(this,[e,a])};Object.defineProperty(a,"on"+t,{get:function(){return this["_on"+t]},set:function(e){if(this["_on"+t]){this.removeEventListener(t,this["_on"+t]);delete this["_on"+t]}if(e){this.addEventListener(t,this["_on"+t]=e)}},enumerable:!0,configurable:!0})};r.disableLog=function(e){if("boolean"!=typeof e){return new Error("Argument type: "+("undefined"==typeof e?"undefined":a(e))+". Please use a boolean.")}i=e;return e?"adapter.js logging disabled":"adapter.js logging enabled"};r.disableWarnings=function(e){if("boolean"!=typeof e){return new Error("Argument type: "+("undefined"==typeof e?"undefined":a(e))+". Please use a boolean.")}o=!e;return"adapter.js deprecation warnings "+(e?"disabled":"enabled")};r.log=d;r.deprecated=c;r.detectBrowser=p;r.compactObject=m;r.walkStats=f;r.filterStats=function(e,t,r){var a=r?"outbound-rtp":"inbound-rtp",n=new Map;if(null===t){return n}var i=[];e.forEach(function(e){if("track"===e.type&&e.trackIdentifier===t.id){i.push(e)}});i.forEach(function(t){e.forEach(function(r){if(r.type===a&&r.trackId===t.id){f(e,r,n)}})});return n};function n(e,t,r){if(t in e){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0})}else{e[t]=r}return e}var i=!0,o=!0;function s(e,t,r){var a=e.match(t);return a&&a.length>=r&&parseInt(a[r],10)}function d(){if("object"===("undefined"==typeof window?"undefined":a(window))){if(i){return}if("undefined"!=typeof console&&"function"==typeof console.log){console.log.apply(console,arguments)}}}function c(e,t){if(!o){return}console.warn(e+" is deprecated, please use "+t+" instead.")}function p(e){var t=e.navigator,r={browser:null,version:null};if("undefined"==typeof e||!e.navigator){r.browser="Not a browser.";return r}if(t.mozGetUserMedia){r.browser="firefox";r.version=s(t.userAgent,/Firefox\/(\d+)\./,1)}else if(t.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection&&!e.RTCIceGatherer){r.browser="chrome";r.version=s(t.userAgent,/Chrom(e|ium)\/(\d+)\./,2)}else if(t.mediaDevices&&t.userAgent.match(/Edge\/(\d+).(\d+)$/)){r.browser="edge";r.version=s(t.userAgent,/Edge\/(\d+).(\d+)$/,2)}else if(e.RTCPeerConnection&&t.userAgent.match(/AppleWebKit\/(\d+)\./)){r.browser="safari";r.version=s(t.userAgent,/AppleWebKit\/(\d+)\./,1);r.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype}else{r.browser="Not a supported browser.";return r}return r}function l(e){return"[object Object]"===Object.prototype.toString.call(e)}function m(e){if(!l(e)){return e}return Object.keys(e).reduce(function(t,r){var a=l(e[r]),i=a?m(e[r]):e[r],o=a&&!Object.keys(i).length;if(i===void 0||o){return t}return Object.assign(t,n({},r,i))},{})}function f(e,t,r){if(!t||r.has(t.id)){return}r.set(t.id,t);Object.keys(t).forEach(function(a){if(a.endsWith("Id")){f(e,e.get(t[a]),r)}else if(a.endsWith("Ids")){t[a].forEach(function(t){f(e,e.get(t),r)})}})}},{}],16:[function(e,t){"use strict";var r=e("sdp");function a(e){return{inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type}function n(e,t,a,n,i){var o=r.writeRtpDescription(e.kind,t);o+=r.writeIceParameters(e.iceGatherer.getLocalParameters());o+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===a?"actpass":i||"active");o+="a=mid:"+e.mid+"\r\n";if(e.rtpSender&&e.rtpReceiver){o+="a=sendrecv\r\n"}else if(e.rtpSender){o+="a=sendonly\r\n"}else if(e.rtpReceiver){o+="a=recvonly\r\n"}else{o+="a=inactive\r\n"}if(e.rtpSender){var s=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=s;var d="msid:"+(n?n.id:"-")+" "+s+"\r\n";o+="a="+d;o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+d;if(e.sendEncodingParameters[0].rtx){o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+d;o+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n"}}o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n";if(e.rtpSender&&e.sendEncodingParameters[0].rtx){o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"}return o}function o(e,t){var r=!1;e=JSON.parse(JSON.stringify(e));return e.filter(function(e){if(e&&(e.urls||e.url)){var a=e.urls||e.url;if(e.url&&!e.urls){console.warn("RTCIceServer.url is deprecated! Use urls instead.")}var n="string"==typeof a;if(n){a=[a]}a=a.filter(function(e){var a=0===e.indexOf("turn:")&&-1!==e.indexOf("transport=udp")&&-1===e.indexOf("turn:[")&&!r;if(a){r=!0;return!0}return 0===e.indexOf("stun:")&&14393<=t&&-1===e.indexOf("?transport=udp")});delete e.url;e.urls=n?a[0]:a;return!!a.length}})}function s(e,t){var r={codecs:[],headerExtensions:[],fecMechanisms:[]},a=function(e,t){e=parseInt(e,10);for(var r=0;r<t.length;r++){if(t[r].payloadType===e||t[r].preferredPayloadType===e){return t[r]}}},n=function(e,t,r,n){var i=a(e.parameters.apt,r),o=a(t.parameters.apt,n);return i&&o&&i.name.toLowerCase()===o.name.toLowerCase()};e.codecs.forEach(function(a){for(var o=0,s;o<t.codecs.length;o++){s=t.codecs[o];if(a.name.toLowerCase()===s.name.toLowerCase()&&a.clockRate===s.clockRate){if("rtx"===a.name.toLowerCase()&&a.parameters&&s.parameters.apt){if(!n(a,s,e.codecs,t.codecs)){continue}}s=JSON.parse(JSON.stringify(s));s.numChannels=Math.min(a.numChannels,s.numChannels);r.codecs.push(s);s.rtcpFeedback=s.rtcpFeedback.filter(function(e){for(var t=0;t<a.rtcpFeedback.length;t++){if(a.rtcpFeedback[t].type===e.type&&a.rtcpFeedback[t].parameter===e.parameter){return!0}}return!1});break}}});e.headerExtensions.forEach(function(e){for(var a=0,n;a<t.headerExtensions.length;a++){n=t.headerExtensions[a];if(e.uri===n.uri){r.headerExtensions.push(n);break}}});return r}function d(e,t,r){return-1!=={offer:{setLocalDescription:["stable","have-local-offer"],setRemoteDescription:["stable","have-remote-offer"]},answer:{setLocalDescription:["have-remote-offer","have-local-pranswer"],setRemoteDescription:["have-local-offer","have-remote-pranswer"]}}[t][e].indexOf(r)}function c(e,t){var r=e.getRemoteCandidates().find(function(e){return t.foundation===e.foundation&&t.ip===e.ip&&t.port===e.port&&t.priority===e.priority&&t.protocol===e.protocol&&t.type===e.type});if(!r){e.addRemoteCandidate(t)}return!r}function p(t,r){var a=new Error(r);a.name=t;a.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[t];return a}t.exports=function(e,t){function i(t,r){r.addTrack(t);r.dispatchEvent(new e.MediaStreamTrackEvent("addtrack",{track:t}))}function l(t,r){r.removeTrack(t);r.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:t}))}function m(t,r,a,n){var i=new Event("track");i.track=r;i.receiver=a;i.transceiver={receiver:a};i.streams=n;e.setTimeout(function(){t._dispatchEvent("track",i)})}var f=function(a){var n=this,s=document.createDocumentFragment();["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){n[e]=s[e].bind(s)});this.canTrickleIceCandidates=null;this.needNegotiation=!1;this.localStreams=[];this.remoteStreams=[];this._localDescription=null;this._remoteDescription=null;this.signalingState="stable";this.iceConnectionState="new";this.connectionState="new";this.iceGatheringState="new";a=JSON.parse(JSON.stringify(a||{}));this.usingBundle="max-bundle"===a.bundlePolicy;if("negotiate"===a.rtcpMuxPolicy){throw p("NotSupportedError","rtcpMuxPolicy 'negotiate' is not supported")}else if(!a.rtcpMuxPolicy){a.rtcpMuxPolicy="require"}switch(a.iceTransportPolicy){case"all":case"relay":break;default:a.iceTransportPolicy="all";break;}switch(a.bundlePolicy){case"balanced":case"max-compat":case"max-bundle":break;default:a.bundlePolicy="balanced";break;}a.iceServers=o(a.iceServers||[],t);this._iceGatherers=[];if(a.iceCandidatePoolSize){for(var d=a.iceCandidatePoolSize;0<d;d--){this._iceGatherers.push(new e.RTCIceGatherer({iceServers:a.iceServers,gatherPolicy:a.iceTransportPolicy}))}}else{a.iceCandidatePoolSize=0}this._config=a;this.transceivers=[];this._sdpSessionId=r.generateSessionId();this._sdpSessionVersion=0;this._dtlsRole=void 0;this._isClosed=!1};Object.defineProperty(f.prototype,"localDescription",{configurable:!0,get:function get(){return this._localDescription}});Object.defineProperty(f.prototype,"remoteDescription",{configurable:!0,get:function get(){return this._remoteDescription}});f.prototype.onicecandidate=null;f.prototype.onaddstream=null;f.prototype.ontrack=null;f.prototype.onremovestream=null;f.prototype.onsignalingstatechange=null;f.prototype.oniceconnectionstatechange=null;f.prototype.onconnectionstatechange=null;f.prototype.onicegatheringstatechange=null;f.prototype.onnegotiationneeded=null;f.prototype.ondatachannel=null;f.prototype._dispatchEvent=function(e,t){if(this._isClosed){return}this.dispatchEvent(t);if("function"==typeof this["on"+e]){this["on"+e](t)}};f.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)};f.prototype.getConfiguration=function(){return this._config};f.prototype.getLocalStreams=function(){return this.localStreams};f.prototype.getRemoteStreams=function(){return this.remoteStreams};f.prototype._createTransceiver=function(e,t){var r=0<this.transceivers.length,a={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&r){a.iceTransport=this.transceivers[0].iceTransport;a.dtlsTransport=this.transceivers[0].dtlsTransport}else{var n=this._createIceAndDtlsTransports();a.iceTransport=n.iceTransport;a.dtlsTransport=n.dtlsTransport}if(!t){this.transceivers.push(a)}return a};f.prototype.addTrack=function(t,r){if(this._isClosed){throw p("InvalidStateError","Attempted to call addTrack on a closed peerconnection.")}var a=this.transceivers.find(function(e){return e.track===t});if(a){throw p("InvalidAccessError","Track already exists.")}for(var n,o=0;o<this.transceivers.length;o++){if(!this.transceivers[o].track&&this.transceivers[o].kind===t.kind){n=this.transceivers[o]}}if(!n){n=this._createTransceiver(t.kind)}this._maybeFireNegotiationNeeded();if(-1===this.localStreams.indexOf(r)){this.localStreams.push(r)}n.track=t;n.stream=r;n.rtpSender=new e.RTCRtpSender(t,n.dtlsTransport);return n.rtpSender};f.prototype.addStream=function(e){var r=this;if(15025<=t){e.getTracks().forEach(function(t){r.addTrack(t,e)})}else{var a=e.clone();e.getTracks().forEach(function(e,t){var r=a.getTracks()[t];e.addEventListener("enabled",function(e){r.enabled=e.enabled})});a.getTracks().forEach(function(e){r.addTrack(e,a)})}};f.prototype.removeTrack=function(r){if(this._isClosed){throw p("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.")}if(!(r instanceof e.RTCRtpSender)){throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.")}var a=this.transceivers.find(function(e){return e.rtpSender===r});if(!a){throw p("InvalidAccessError","Sender was not created by this connection.")}var n=a.stream;a.rtpSender.stop();a.rtpSender=null;a.track=null;a.stream=null;var i=this.transceivers.map(function(e){return e.stream});if(-1===i.indexOf(n)&&-1<this.localStreams.indexOf(n)){this.localStreams.splice(this.localStreams.indexOf(n),1)}this._maybeFireNegotiationNeeded()};f.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var r=t.getSenders().find(function(t){return t.track===e});if(r){t.removeTrack(r)}})};f.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})};f.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})};f.prototype._createIceGatherer=function(t,r){var a=this;if(r&&0<t){return this.transceivers[0].iceGatherer}else if(this._iceGatherers.length){return this._iceGatherers.shift()}var n=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});Object.defineProperty(n,"state",{value:"new",writable:!0});this.transceivers[t].bufferedCandidateEvents=[];this.transceivers[t].bufferCandidates=function(e){var r=!e.candidate||0===Object.keys(e.candidate).length;n.state=r?"completed":"gathering";if(null!==a.transceivers[t].bufferedCandidateEvents){a.transceivers[t].bufferedCandidateEvents.push(e)}};n.addEventListener("localcandidate",this.transceivers[t].bufferCandidates);return n};f.prototype._gather=function(t,a){var n=this,i=this.transceivers[a].iceGatherer;if(i.onlocalcandidate){return}var o=this.transceivers[a].bufferedCandidateEvents;this.transceivers[a].bufferedCandidateEvents=null;i.removeEventListener("localcandidate",this.transceivers[a].bufferCandidates);i.onlocalcandidate=function(e){if(n.usingBundle&&0<a){return}var o=new Event("icecandidate");o.candidate={sdpMid:t,sdpMLineIndex:a};var s=e.candidate,d=!s||0===Object.keys(s).length;if(d){if("new"===i.state||"gathering"===i.state){i.state="completed"}}else{if("new"===i.state){i.state="gathering"}s.component=1;s.ufrag=i.getLocalParameters().usernameFragment;var c=r.writeCandidate(s);o.candidate=Object.assign(o.candidate,r.parseCandidate(c));o.candidate.candidate=c;o.candidate.toJSON=function(){return{candidate:o.candidate.candidate,sdpMid:o.candidate.sdpMid,sdpMLineIndex:o.candidate.sdpMLineIndex,usernameFragment:o.candidate.usernameFragment}}}var p=r.getMediaSections(n._localDescription.sdp);if(!d){p[o.candidate.sdpMLineIndex]+="a="+o.candidate.candidate+"\r\n"}else{p[o.candidate.sdpMLineIndex]+="a=end-of-candidates\r\n"}n._localDescription.sdp=r.getDescription(n._localDescription.sdp)+p.join("");var l=n.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});if("gathering"!==n.iceGatheringState){n.iceGatheringState="gathering";n._emitGatheringStateChange()}if(!d){n._dispatchEvent("icecandidate",o)}if(l){n._dispatchEvent("icecandidate",new Event("icecandidate"));n.iceGatheringState="complete";n._emitGatheringStateChange()}};e.setTimeout(function(){o.forEach(function(t){i.onlocalcandidate(t)})},0)};f.prototype._createIceAndDtlsTransports=function(){var t=this,r=new e.RTCIceTransport(null);r.onicestatechange=function(){t._updateIceConnectionState();t._updateConnectionState()};var a=new e.RTCDtlsTransport(r);a.ondtlsstatechange=function(){t._updateConnectionState()};a.onerror=function(){Object.defineProperty(a,"state",{value:"failed",writable:!0});t._updateConnectionState()};return{iceTransport:r,dtlsTransport:a}};f.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;if(t){delete t.onlocalcandidate;delete this.transceivers[e].iceGatherer}var r=this.transceivers[e].iceTransport;if(r){delete r.onicestatechange;delete this.transceivers[e].iceTransport}var a=this.transceivers[e].dtlsTransport;if(a){delete a.ondtlsstatechange;delete a.onerror;delete this.transceivers[e].dtlsTransport}};f.prototype._transceive=function(e,a,n){var i=s(e.localCapabilities,e.remoteCapabilities);if(a&&e.rtpSender){i.encodings=e.sendEncodingParameters;i.rtcp={cname:r.localCName,compound:e.rtcpParameters.compound};if(e.recvEncodingParameters.length){i.rtcp.ssrc=e.recvEncodingParameters[0].ssrc}e.rtpSender.send(i)}if(n&&e.rtpReceiver&&0<i.codecs.length){if("video"===e.kind&&e.recvEncodingParameters&&15019>t){e.recvEncodingParameters.forEach(function(e){delete e.rtx})}if(e.recvEncodingParameters.length){i.encodings=e.recvEncodingParameters}else{i.encodings=[{}]}i.rtcp={compound:e.rtcpParameters.compound};if(e.rtcpParameters.cname){i.rtcp.cname=e.rtcpParameters.cname}if(e.sendEncodingParameters.length){i.rtcp.ssrc=e.sendEncodingParameters[0].ssrc}e.rtpReceiver.receive(i)}};f.prototype.setLocalDescription=function(e){var t=this;if(-1===["offer","answer"].indexOf(e.type)){return Promise.reject(p("TypeError","Unsupported type \""+e.type+"\""))}if(!d("setLocalDescription",e.type,t.signalingState)||t._isClosed){return Promise.reject(p("InvalidStateError","Can not set local "+e.type+" in state "+t.signalingState))}var a,n;if("offer"===e.type){a=r.splitSections(e.sdp);n=a.shift();a.forEach(function(e,a){var n=r.parseRtpParameters(e);t.transceivers[a].localCapabilities=n});t.transceivers.forEach(function(e,r){t._gather(e.mid,r)})}else if("answer"===e.type){a=r.splitSections(t._remoteDescription.sdp);n=a.shift();var i=0<r.matchPrefix(n,"a=ice-lite").length;a.forEach(function(e,a){var o=t.transceivers[a],d=o.iceGatherer,c=o.iceTransport,p=o.dtlsTransport,l=o.localCapabilities,m=o.remoteCapabilities,f=r.isRejected(e)&&0===r.matchPrefix(e,"a=bundle-only").length;if(!f&&!o.rejected){var h=r.getIceParameters(e,n),g=r.getDtlsParameters(e,n);if(i){g.role="server"}if(!t.usingBundle||0===a){t._gather(o.mid,a);if("new"===c.state){c.start(d,h,i?"controlling":"controlled")}if("new"===p.state){p.start(g)}}var u=s(l,m);t._transceive(o,0<u.codecs.length,!1)}})}t._localDescription={type:e.type,sdp:e.sdp};if("offer"===e.type){t._updateSignalingState("have-local-offer")}else{t._updateSignalingState("stable")}return Promise.resolve()};f.prototype.setRemoteDescription=function(a){var n=this;if(-1===["offer","answer"].indexOf(a.type)){return Promise.reject(p("TypeError","Unsupported type \""+a.type+"\""))}if(!d("setRemoteDescription",a.type,n.signalingState)||n._isClosed){return Promise.reject(p("InvalidStateError","Can not set remote "+a.type+" in state "+n.signalingState))}var o={};n.remoteStreams.forEach(function(e){o[e.id]=e});var f=[],h=r.splitSections(a.sdp),g=h.shift(),u=0<r.matchPrefix(g,"a=ice-lite").length,y=0<r.matchPrefix(g,"a=group:BUNDLE ").length;n.usingBundle=y;var v=r.matchPrefix(g,"a=ice-options:")[0];if(v){n.canTrickleIceCandidates=0<=v.substr(14).split(" ").indexOf("trickle")}else{n.canTrickleIceCandidates=!1}h.forEach(function(d,p){var m=r.splitLines(d),h=r.getKind(d),v=r.isRejected(d)&&0===r.matchPrefix(d,"a=bundle-only").length,C=m[0].substr(2).split(" ")[2],T=r.getDirection(d,g),S=r.parseMsid(d),R=r.getMid(d)||r.generateIdentifier();if(v||"application"===h&&("DTLS/SCTP"===C||"UDP/DTLS/SCTP"===C)){n.transceivers[p]={mid:R,kind:h,protocol:C,rejected:!0};return}if(!v&&n.transceivers[p]&&n.transceivers[p].rejected){n.transceivers[p]=n._createTransceiver(h,!0)}var P,_,E,k,b,x,M,D,I,w=r.parseRtpParameters(d),L,G;if(!v){L=r.getIceParameters(d,g);G=r.getDtlsParameters(d,g);G.role="client"}M=r.parseRtpEncodingParameters(d);var j=r.parseRtcpParameters(d),O=0<r.matchPrefix(d,"a=end-of-candidates",g).length,A=r.matchPrefix(d,"a=candidate:").map(function(e){return r.parseCandidate(e)}).filter(function(e){return 1===e.component});if(("offer"===a.type||"answer"===a.type)&&!v&&y&&0<p&&n.transceivers[p]){n._disposeIceAndDtlsTransports(p);n.transceivers[p].iceGatherer=n.transceivers[0].iceGatherer;n.transceivers[p].iceTransport=n.transceivers[0].iceTransport;n.transceivers[p].dtlsTransport=n.transceivers[0].dtlsTransport;if(n.transceivers[p].rtpSender){n.transceivers[p].rtpSender.setTransport(n.transceivers[0].dtlsTransport)}if(n.transceivers[p].rtpReceiver){n.transceivers[p].rtpReceiver.setTransport(n.transceivers[0].dtlsTransport)}}if("offer"===a.type&&!v){P=n.transceivers[p]||n._createTransceiver(h);P.mid=R;if(!P.iceGatherer){P.iceGatherer=n._createIceGatherer(p,y)}if(A.length&&"new"===P.iceTransport.state){if(O&&(!y||0===p)){P.iceTransport.setRemoteCandidates(A)}else{A.forEach(function(e){c(P.iceTransport,e)})}}D=e.RTCRtpReceiver.getCapabilities(h);if(15019>t){D.codecs=D.codecs.filter(function(e){return"rtx"!==e.name})}x=P.sendEncodingParameters||[{ssrc:1001*(2*p+2)}];var U=!1;if("sendrecv"===T||"sendonly"===T){U=!P.rtpReceiver;b=P.rtpReceiver||new e.RTCRtpReceiver(P.dtlsTransport,h);if(U){var F;I=b.track;if(S&&"-"===S.stream){}else if(S){if(!o[S.stream]){o[S.stream]=new e.MediaStream;Object.defineProperty(o[S.stream],"id",{get:function get(){return S.stream}})}Object.defineProperty(I,"id",{get:function get(){return S.track}});F=o[S.stream]}else{if(!o.default){o.default=new e.MediaStream}F=o.default}if(F){i(I,F);P.associatedRemoteMediaStreams.push(F)}f.push([I,b,F])}}else if(P.rtpReceiver&&P.rtpReceiver.track){P.associatedRemoteMediaStreams.forEach(function(e){var t=e.getTracks().find(function(e){return e.id===P.rtpReceiver.track.id});if(t){l(t,e)}});P.associatedRemoteMediaStreams=[]}P.localCapabilities=D;P.remoteCapabilities=w;P.rtpReceiver=b;P.rtcpParameters=j;P.sendEncodingParameters=x;P.recvEncodingParameters=M;n._transceive(n.transceivers[p],!1,U)}else if("answer"===a.type&&!v){P=n.transceivers[p];_=P.iceGatherer;E=P.iceTransport;k=P.dtlsTransport;b=P.rtpReceiver;x=P.sendEncodingParameters;D=P.localCapabilities;n.transceivers[p].recvEncodingParameters=M;n.transceivers[p].remoteCapabilities=w;n.transceivers[p].rtcpParameters=j;if(A.length&&"new"===E.state){if((u||O)&&(!y||0===p)){E.setRemoteCandidates(A)}else{A.forEach(function(e){c(P.iceTransport,e)})}}if(!y||0===p){if("new"===E.state){E.start(_,L,"controlling")}if("new"===k.state){k.start(G)}}var N=s(P.localCapabilities,P.remoteCapabilities),z=N.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length;if(!z&&P.sendEncodingParameters[0].rtx){delete P.sendEncodingParameters[0].rtx}n._transceive(P,"sendrecv"===T||"recvonly"===T,"sendrecv"===T||"sendonly"===T);if(b&&("sendrecv"===T||"sendonly"===T)){I=b.track;if(S){if(!o[S.stream]){o[S.stream]=new e.MediaStream}i(I,o[S.stream]);f.push([I,b,o[S.stream]])}else{if(!o.default){o.default=new e.MediaStream}i(I,o.default);f.push([I,b,o.default])}}else{delete P.rtpReceiver}}});if(n._dtlsRole===void 0){n._dtlsRole="offer"===a.type?"active":"passive"}n._remoteDescription={type:a.type,sdp:a.sdp};if("offer"===a.type){n._updateSignalingState("have-remote-offer")}else{n._updateSignalingState("stable")}Object.keys(o).forEach(function(t){var r=o[t];if(r.getTracks().length){if(-1===n.remoteStreams.indexOf(r)){n.remoteStreams.push(r);var a=new Event("addstream");a.stream=r;e.setTimeout(function(){n._dispatchEvent("addstream",a)})}f.forEach(function(e){var t=e[0],a=e[1];if(r.id!==e[2].id){return}m(n,t,a,[r])})}});f.forEach(function(e){if(e[2]){return}m(n,e[0],e[1],[])});e.setTimeout(function(){if(!(n&&n.transceivers)){return}n.transceivers.forEach(function(e){if(e.iceTransport&&"new"===e.iceTransport.state&&0<e.iceTransport.getRemoteCandidates().length){console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification");e.iceTransport.addRemoteCandidate({})}})},4e3);return Promise.resolve()};f.prototype.close=function(){this.transceivers.forEach(function(e){if(e.iceTransport){e.iceTransport.stop()}if(e.dtlsTransport){e.dtlsTransport.stop()}if(e.rtpSender){e.rtpSender.stop()}if(e.rtpReceiver){e.rtpReceiver.stop()}});this._isClosed=!0;this._updateSignalingState("closed")};f.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)};f.prototype._maybeFireNegotiationNeeded=function(){var t=this;if("stable"!==this.signalingState||!0===this.needNegotiation){return}this.needNegotiation=!0;e.setTimeout(function(){if(t.needNegotiation){t.needNegotiation=!1;var e=new Event("negotiationneeded");t._dispatchEvent("negotiationneeded",e)}},0)};f.prototype._updateIceConnectionState=function(){var e,t={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(e){if(e.iceTransport&&!e.rejected){t[e.iceTransport.state]++}});e="new";if(0<t.failed){e="failed"}else if(0<t.checking){e="checking"}else if(0<t.disconnected){e="disconnected"}else if(0<t.new){e="new"}else if(0<t.connected){e="connected"}else if(0<t.completed){e="completed"}if(e!==this.iceConnectionState){this.iceConnectionState=e;var r=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",r)}};f.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(e){if(e.iceTransport&&e.dtlsTransport&&!e.rejected){t[e.iceTransport.state]++;t[e.dtlsTransport.state]++}});t.connected+=t.completed;e="new";if(0<t.failed){e="failed"}else if(0<t.connecting){e="connecting"}else if(0<t.disconnected){e="disconnected"}else if(0<t.new){e="new"}else if(0<t.connected){e="connected"}if(e!==this.connectionState){this.connectionState=e;var r=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",r)}};f.prototype.createOffer=function(){var a=this;if(a._isClosed){return Promise.reject(p("InvalidStateError","Can not call createOffer after close"))}var i=a.transceivers.filter(function(e){return"audio"===e.kind}).length,o=a.transceivers.filter(function(e){return"video"===e.kind}).length,s=arguments[0];if(s){if(s.mandatory||s.optional){throw new TypeError("Legacy mandatory/optional constraints not supported.")}if(s.offerToReceiveAudio!==void 0){if(!0===s.offerToReceiveAudio){i=1}else if(!1===s.offerToReceiveAudio){i=0}else{i=s.offerToReceiveAudio}}if(s.offerToReceiveVideo!==void 0){if(!0===s.offerToReceiveVideo){o=1}else if(!1===s.offerToReceiveVideo){o=0}else{o=s.offerToReceiveVideo}}}a.transceivers.forEach(function(e){if("audio"===e.kind){i--;if(0>i){e.wantReceive=!1}}else if("video"===e.kind){o--;if(0>o){e.wantReceive=!1}}});while(0<i||0<o){if(0<i){a._createTransceiver("audio");i--}if(0<o){a._createTransceiver("video");o--}}var d=r.writeSessionBoilerplate(a._sdpSessionId,a._sdpSessionVersion++);a.transceivers.forEach(function(n,i){var o=n.track,s=n.kind,d=n.mid||r.generateIdentifier();n.mid=d;if(!n.iceGatherer){n.iceGatherer=a._createIceGatherer(i,a.usingBundle)}var c=e.RTCRtpSender.getCapabilities(s);if(15019>t){c.codecs=c.codecs.filter(function(e){return"rtx"!==e.name})}c.codecs.forEach(function(e){if("H264"===e.name&&e.parameters["level-asymmetry-allowed"]===void 0){e.parameters["level-asymmetry-allowed"]="1"}if(n.remoteCapabilities&&n.remoteCapabilities.codecs){n.remoteCapabilities.codecs.forEach(function(t){if(e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate){e.preferredPayloadType=t.payloadType}})}});c.headerExtensions.forEach(function(e){var t=n.remoteCapabilities&&n.remoteCapabilities.headerExtensions||[];t.forEach(function(t){if(e.uri===t.uri){e.id=t.id}})});var p=n.sendEncodingParameters||[{ssrc:1001*(2*i+1)}];if(o){if(15019<=t&&"video"===s&&!p[0].rtx){p[0].rtx={ssrc:p[0].ssrc+1}}}if(n.wantReceive){n.rtpReceiver=new e.RTCRtpReceiver(n.dtlsTransport,s)}n.localCapabilities=c;n.sendEncodingParameters=p});if("max-compat"!==a._config.bundlePolicy){d+="a=group:BUNDLE "+a.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"}d+="a=ice-options:trickle\r\n";a.transceivers.forEach(function(e,t){d+=n(e,e.localCapabilities,"offer",e.stream,a._dtlsRole);d+="a=rtcp-rsize\r\n";if(e.iceGatherer&&"new"!==a.iceGatheringState&&(0===t||!a.usingBundle)){e.iceGatherer.getLocalCandidates().forEach(function(e){e.component=1;d+="a="+r.writeCandidate(e)+"\r\n"});if("completed"===e.iceGatherer.state){d+="a=end-of-candidates\r\n"}}});var c=new e.RTCSessionDescription({type:"offer",sdp:d});return Promise.resolve(c)};f.prototype.createAnswer=function(){var a=this;if(a._isClosed){return Promise.reject(p("InvalidStateError","Can not call createAnswer after close"))}if(!("have-remote-offer"===a.signalingState||"have-local-pranswer"===a.signalingState)){return Promise.reject(p("InvalidStateError","Can not call createAnswer in signalingState "+a.signalingState))}var i=r.writeSessionBoilerplate(a._sdpSessionId,a._sdpSessionVersion++);if(a.usingBundle){i+="a=group:BUNDLE "+a.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"}i+="a=ice-options:trickle\r\n";var o=r.getMediaSections(a._remoteDescription.sdp).length;a.transceivers.forEach(function(e,r){if(r+1>o){return}if(e.rejected){if("application"===e.kind){if("DTLS/SCTP"===e.protocol){i+="m=application 0 DTLS/SCTP 5000\r\n"}else{i+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n"}}else if("audio"===e.kind){i+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n"}else if("video"===e.kind){i+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"}i+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n";return}if(e.stream){var d;if("audio"===e.kind){d=e.stream.getAudioTracks()[0]}else if("video"===e.kind){d=e.stream.getVideoTracks()[0]}if(d){if(15019<=t&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx){e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1}}}}var c=s(e.localCapabilities,e.remoteCapabilities),p=c.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length;if(!p&&e.sendEncodingParameters[0].rtx){delete e.sendEncodingParameters[0].rtx}i+=n(e,c,"answer",e.stream,a._dtlsRole);if(e.rtcpParameters&&e.rtcpParameters.reducedSize){i+="a=rtcp-rsize\r\n"}});var d=new e.RTCSessionDescription({type:"answer",sdp:i});return Promise.resolve(d)};f.prototype.addIceCandidate=function(e){var t=this,a;if(e&&!(e.sdpMLineIndex!==void 0||e.sdpMid)){return Promise.reject(new TypeError("sdpMLineIndex or sdpMid required"))}return new Promise(function(n,o){if(!t._remoteDescription){return o(p("InvalidStateError","Can not add ICE candidate without a remote description"))}else if(!e||""===e.candidate){for(var s=0;s<t.transceivers.length;s++){if(t.transceivers[s].rejected){continue}t.transceivers[s].iceTransport.addRemoteCandidate({});a=r.getMediaSections(t._remoteDescription.sdp);a[s]+="a=end-of-candidates\r\n";t._remoteDescription.sdp=r.getDescription(t._remoteDescription.sdp)+a.join("");if(t.usingBundle){break}}}else{var d=e.sdpMLineIndex;if(e.sdpMid){for(var l=0;l<t.transceivers.length;l++){if(t.transceivers[l].mid===e.sdpMid){d=l;break}}}var m=t.transceivers[d];if(m){if(m.rejected){return n()}var f=0<Object.keys(e.candidate).length?r.parseCandidate(e.candidate):{};if("tcp"===f.protocol&&(0===f.port||9===f.port)){return n()}if(f.component&&1!==f.component){return n()}if(0===d||0<d&&m.iceTransport!==t.transceivers[0].iceTransport){if(!c(m.iceTransport,f)){return o(p("OperationError","Can not add ICE candidate"))}}var h=e.candidate.trim();if(0===h.indexOf("a=")){h=h.substr(2)}a=r.getMediaSections(t._remoteDescription.sdp);a[d]+="a="+(f.type?h:"end-of-candidates")+"\r\n";t._remoteDescription.sdp=r.getDescription(t._remoteDescription.sdp)+a.join("")}else{return o(p("OperationError","Can not add ICE candidate"))}}n()})};f.prototype.getStats=function(t){if(t&&t instanceof e.MediaStreamTrack){var r=null;this.transceivers.forEach(function(e){if(e.rtpSender&&e.rtpSender.track===t){r=e.rtpSender}else if(e.rtpReceiver&&e.rtpReceiver.track===t){r=e.rtpReceiver}});if(!r){throw p("InvalidAccessError","Invalid selector.")}return r.getStats()}var a=[];this.transceivers.forEach(function(e){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(t){if(e[t]){a.push(e[t].getStats())}})});return Promise.all(a).then(function(e){var t=new Map;e.forEach(function(e){e.forEach(function(e){t.set(e.id,e)})});return t})};["RTCRtpSender","RTCRtpReceiver","RTCIceGatherer","RTCIceTransport","RTCDtlsTransport"].forEach(function(t){var r=e[t];if(r&&r.prototype&&r.prototype.getStats){var n=r.prototype.getStats;r.prototype.getStats=function(){return n.apply(this).then(function(e){var t=new Map;Object.keys(e).forEach(function(r){e[r].type=a(e[r]);t.set(r,e[r])});return t})}}});var h=["createOffer","createAnswer"];h.forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[0]||"function"==typeof e[1]){return t.apply(this,[arguments[2]]).then(function(t){if("function"==typeof e[0]){e[0].apply(null,[t])}},function(t){if("function"==typeof e[1]){e[1].apply(null,[t])}})}return t.apply(this,arguments)}});h=["setLocalDescription","setRemoteDescription","addIceCandidate"];h.forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[1]||"function"==typeof e[2]){return t.apply(this,arguments).then(function(){if("function"==typeof e[1]){e[1].apply(null)}},function(t){if("function"==typeof e[2]){e[2].apply(null,[t])}})}return t.apply(this,arguments)}});["getStats"].forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[1]){return t.apply(this,arguments).then(function(){if("function"==typeof e[1]){e[1].apply(null)}})}return t.apply(this,arguments)}});return f}},{sdp:17}],17:[function(e,t){"use strict";var r={generateIdentifier:function(){return Math.random().toString(36).substr(2,10)}};r.localCName=r.generateIdentifier();r.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})};r.splitSections=function(e){var t=e.split("\nm=");return t.map(function(e,t){return(0<t?"m="+e:e).trim()+"\r\n"})};r.getDescription=function(e){var t=r.splitSections(e);return t&&t[0]};r.getMediaSections=function(e){var t=r.splitSections(e);t.shift();return t};r.matchPrefix=function(e,t){return r.splitLines(e).filter(function(e){return 0===e.indexOf(t)})};r.parseCandidate=function(e){var t;if(0===e.indexOf("a=candidate:")){t=e.substring(12).split(" ")}else{t=e.substring(10).split(" ")}for(var r={foundation:t[0],component:parseInt(t[1],10),protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]},a=8;a<t.length;a+=2){switch(t[a]){case"raddr":r.relatedAddress=t[a+1];break;case"rport":r.relatedPort=parseInt(t[a+1],10);break;case"tcptype":r.tcpType=t[a+1];break;case"ufrag":r.ufrag=t[a+1];r.usernameFragment=t[a+1];break;default:r[t[a]]=t[a+1];break;}}return r};r.writeCandidate=function(e){var t=[e.foundation,e.component,e.protocol.toUpperCase(),e.priority,e.address||e.ip,e.port],r=e.type;t.push("typ");t.push(r);if("host"!==r&&e.relatedAddress&&e.relatedPort){t.push("raddr");t.push(e.relatedAddress);t.push("rport");t.push(e.relatedPort)}if(e.tcpType&&"tcp"===e.protocol.toLowerCase()){t.push("tcptype");t.push(e.tcpType)}if(e.usernameFragment||e.ufrag){t.push("ufrag");t.push(e.usernameFragment||e.ufrag)}return"candidate:"+t.join(" ")};r.parseIceOptions=function(e){return e.substr(14).split(" ")};r.parseRtpMap=function(e){var t=e.substr(9).split(" "),r={payloadType:parseInt(t.shift(),10)};t=t[0].split("/");r.name=t[0];r.clockRate=parseInt(t[1],10);r.channels=3===t.length?parseInt(t[2],10):1;r.numChannels=r.channels;return r};r.writeRtpMap=function(e){var t=e.payloadType;if(e.preferredPayloadType!==void 0){t=e.preferredPayloadType}var r=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==r?"/"+r:"")+"\r\n"};r.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),direction:0<t[0].indexOf("/")?t[0].split("/")[1]:"sendrecv",uri:t[1]}};r.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"};r.parseFmtp=function(e){for(var t={},r,a=e.substr(e.indexOf(" ")+1).split(";"),n=0;n<a.length;n++){r=a[n].trim().split("=");t[r[0].trim()]=r[1]}return t};r.writeFmtp=function(e){var t="",r=e.payloadType;if(e.preferredPayloadType!==void 0){r=e.preferredPayloadType}if(e.parameters&&Object.keys(e.parameters).length){var a=[];Object.keys(e.parameters).forEach(function(t){if(e.parameters[t]){a.push(t+"="+e.parameters[t])}else{a.push(t)}});t+="a=fmtp:"+r+" "+a.join(";")+"\r\n"}return t};r.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}};r.writeRtcpFb=function(e){var t="",r=e.payloadType;if(e.preferredPayloadType!==void 0){r=e.preferredPayloadType}if(e.rtcpFeedback&&e.rtcpFeedback.length){e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+r+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"})}return t};r.parseSsrcMedia=function(e){var t=e.indexOf(" "),r={ssrc:parseInt(e.substr(7,t-7),10)},a=e.indexOf(":",t);if(-1<a){r.attribute=e.substr(t+1,a-t-1);r.value=e.substr(a+1)}else{r.attribute=e.substr(t+1)}return r};r.parseSsrcGroup=function(e){var t=e.substr(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(function(e){return parseInt(e,10)})}};r.getMid=function(e){var t=r.matchPrefix(e,"a=mid:")[0];if(t){return t.substr(6)}};r.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}};r.getDtlsParameters=function(e,t){var a=r.matchPrefix(e+t,"a=fingerprint:");return{role:"auto",fingerprints:a.map(r.parseFingerprint)}};r.writeDtlsParameters=function(e,t){var r="a=setup:"+t+"\r\n";e.fingerprints.forEach(function(e){r+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"});return r};r.getIceParameters=function(e,t){var a=r.splitLines(e);a=a.concat(r.splitLines(t));var n={usernameFragment:a.filter(function(e){return 0===e.indexOf("a=ice-ufrag:")})[0].substr(12),password:a.filter(function(e){return 0===e.indexOf("a=ice-pwd:")})[0].substr(10)};return n};r.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"};r.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},a=r.splitLines(e),n=a[0].split(" "),o=3;o<n.length;o++){var s=n[o],d=r.matchPrefix(e,"a=rtpmap:"+s+" ")[0];if(d){var c=r.parseRtpMap(d),p=r.matchPrefix(e,"a=fmtp:"+s+" ");c.parameters=p.length?r.parseFmtp(p[0]):{};c.rtcpFeedback=r.matchPrefix(e,"a=rtcp-fb:"+s+" ").map(r.parseRtcpFb);t.codecs.push(c);switch(c.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(c.name.toUpperCase());break;default:break;}}}r.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(r.parseExtmap(e))});return t};r.writeRtpDescription=function(e,t){var a="";a+="m="+e+" ";a+=0<t.codecs.length?"9":"0";a+=" UDP/TLS/RTP/SAVPF ";a+=t.codecs.map(function(e){if(e.preferredPayloadType!==void 0){return e.preferredPayloadType}return e.payloadType}).join(" ")+"\r\n";a+="c=IN IP4 0.0.0.0\r\n";a+="a=rtcp:9 IN IP4 0.0.0.0\r\n";t.codecs.forEach(function(e){a+=r.writeRtpMap(e);a+=r.writeFmtp(e);a+=r.writeRtcpFb(e)});var n=0;t.codecs.forEach(function(e){if(e.maxptime>n){n=e.maxptime}});if(0<n){a+="a=maxptime:"+n+"\r\n"}a+="a=rtcp-mux\r\n";if(t.headerExtensions){t.headerExtensions.forEach(function(e){a+=r.writeExtmap(e)})}return a};r.parseRtpEncodingParameters=function(e){var t=[],a=r.parseRtpParameters(e),n=-1!==a.fecMechanisms.indexOf("RED"),i=-1!==a.fecMechanisms.indexOf("ULPFEC"),o=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),s=0<o.length&&o[0].ssrc,d,c=r.matchPrefix(e,"a=ssrc-group:FID").map(function(e){var t=e.substr(17).split(" ");return t.map(function(e){return parseInt(e,10)})});if(0<c.length&&1<c[0].length&&c[0][0]===s){d=c[0][1]}a.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var r={ssrc:s,codecPayloadType:parseInt(e.parameters.apt,10)};if(s&&d){r.rtx={ssrc:d}}t.push(r);if(n){r=JSON.parse(JSON.stringify(r));r.fec={ssrc:s,mechanism:i?"red+ulpfec":"red"};t.push(r)}}});if(0===t.length&&s){t.push({ssrc:s})}var p=r.matchPrefix(e,"b=");if(p.length){if(0===p[0].indexOf("b=TIAS:")){p=parseInt(p[0].substr(7),10)}else if(0===p[0].indexOf("b=AS:")){p=.95*(1e3*parseInt(p[0].substr(5),10))-16000}else{p=void 0}t.forEach(function(e){e.maxBitrate=p})}return t};r.parseRtcpParameters=function(e){var t={},a=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];if(a){t.cname=a.value;t.ssrc=a.ssrc}var n=r.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=0<n.length;t.compound=0===n.length;var i=r.matchPrefix(e,"a=rtcp-mux");t.mux=0<i.length;return t};r.parseMsid=function(e){var t,a=r.matchPrefix(e,"a=msid:");if(1===a.length){t=a[0].substr(7).split(" ");return{stream:t[0],track:t[1]}}var n=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});if(0<n.length){t=n[0].value.split(" ");return{stream:t[0],track:t[1]}}};r.parseSctpDescription=function(e){var t=r.parseMLine(e),a=r.matchPrefix(e,"a=max-message-size:"),n;if(0<a.length){n=parseInt(a[0].substr(19),10)}if(isNaN(n)){n=65536}var i=r.matchPrefix(e,"a=sctp-port:");if(0<i.length){return{port:parseInt(i[0].substr(12),10),protocol:t.fmt,maxMessageSize:n}}var o=r.matchPrefix(e,"a=sctpmap:");if(0<o.length){var s=r.matchPrefix(e,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(s[0],10),protocol:s[1],maxMessageSize:n}}};r.writeSctpDescription=function(e,t){var r=[];if("DTLS/SCTP"!==e.protocol){r=["m="+e.kind+" 9 "+e.protocol+" "+t.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+t.port+"\r\n"]}else{r=["m="+e.kind+" 9 "+e.protocol+" "+t.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+t.port+" "+t.protocol+" 65535\r\n"]}if(t.maxMessageSize!==void 0){r.push("a=max-message-size:"+t.maxMessageSize+"\r\n")}return r.join("")};r.generateSessionId=function(){return Math.random().toString().substr(2,21)};r.writeSessionBoilerplate=function(e,t,a){var n,i=t!==void 0?t:2;if(e){n=e}else{n=r.generateSessionId()}return"v=0\r\no="+(a||"thisisadapterortc")+" "+n+" "+i+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"};r.writeMediaSection=function(e,t,a,n){var i=r.writeRtpDescription(e.kind,t);i+=r.writeIceParameters(e.iceGatherer.getLocalParameters());i+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===a?"actpass":"active");i+="a=mid:"+e.mid+"\r\n";if(e.direction){i+="a="+e.direction+"\r\n"}else if(e.rtpSender&&e.rtpReceiver){i+="a=sendrecv\r\n"}else if(e.rtpSender){i+="a=sendonly\r\n"}else if(e.rtpReceiver){i+="a=recvonly\r\n"}else{i+="a=inactive\r\n"}if(e.rtpSender){var o="msid:"+n.id+" "+e.rtpSender.track.id+"\r\n";i+="a="+o;i+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+o;if(e.sendEncodingParameters[0].rtx){i+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+o;i+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n"}}i+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n";if(e.rtpSender&&e.sendEncodingParameters[0].rtx){i+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"}return i};r.getDirection=function(e,t){for(var a=r.splitLines(e),n=0;n<a.length;n++){switch(a[n]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return a[n].substr(2);default:}}if(t){return r.getDirection(t)}return"sendrecv"};r.getKind=function(e){var t=r.splitLines(e),a=t[0].split(" ");return a[0].substr(2)};r.isRejected=function(e){return"0"===e.split(" ",2)[1]};r.parseMLine=function(e){var t=r.splitLines(e),a=t[0].substr(2).split(" ");return{kind:a[0],port:parseInt(a[1],10),protocol:a[2],fmt:a.slice(3).join(" ")}};r.parseOLine=function(e){var t=r.matchPrefix(e,"o=")[0],a=t.substr(2).split(" ");return{username:a[0],sessionId:a[1],sessionVersion:parseInt(a[2],10),netType:a[3],addressType:a[4],address:a[5]}};r.isValidSDP=function(e){if("string"!=typeof e||0===e.length){return!1}for(var t=r.splitLines(e),a=0;a<t.length;a++){if(2>t[a].length||"="!==t[a].charAt(1)){return!1}}return!0};if("object"===_typeof2(t)){t.exports=r}},{}]},{},[1])(1)});
 //# sourceMappingURL=adapter.min.js.map
diff --git a/lib/amd/build/adapter.min.js.map b/lib/amd/build/adapter.min.js.map
index 16dfc3e64ae..82cc43b2d4f 100644
--- a/lib/amd/build/adapter.min.js.map
+++ b/lib/amd/build/adapter.min.js.map
@@ -1 +1 @@
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* Description of import/upgrade into Moodle:\n *\n * 1. Visit https://github.com/webrtc/adapter/releases.\n * 2. Check if the version has been updated from what is listed in lib/thirdpartylibs.xml in the Moodle wwwroot.\n * 3. If it has -\n *    1. Download the source code.\n *    2. Copy the content of the file release/adapter.js from the archive (ignore the first line).\n *    3. Replace the content below \"return (function e(t,n,r) ..\" in this file with the content you copied.\n *    4. Ensure to update lib/thirdpartylibs.xml with any changes.\n */\n\n// ESLint directives.\n/* eslint-disable */\n\n// JSHint directives.\n/* jshint ignore:start */\n\ndefine([], function() {\nreturn (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n\n'use strict';\n\nvar _adapter_factory = require('./adapter_factory.js');\n\nvar adapter = (0, _adapter_factory.adapterFactory)({ window: window });\nmodule.exports = adapter; // this is the difference from adapter_core.\n\n},{\"./adapter_factory.js\":2}],2:[function(require,module,exports){\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.adapterFactory = adapterFactory;\n\nvar _utils = require('./utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nvar _chrome_shim = require('./chrome/chrome_shim');\n\nvar chromeShim = _interopRequireWildcard(_chrome_shim);\n\nvar _edge_shim = require('./edge/edge_shim');\n\nvar edgeShim = _interopRequireWildcard(_edge_shim);\n\nvar _firefox_shim = require('./firefox/firefox_shim');\n\nvar firefoxShim = _interopRequireWildcard(_firefox_shim);\n\nvar _safari_shim = require('./safari/safari_shim');\n\nvar safariShim = _interopRequireWildcard(_safari_shim);\n\nvar _common_shim = require('./common_shim');\n\nvar commonShim = _interopRequireWildcard(_common_shim);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\n// Shimming starts here.\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\nfunction adapterFactory() {\n  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n      window = _ref.window;\n\n  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n    shimChrome: true,\n    shimFirefox: true,\n    shimEdge: true,\n    shimSafari: true\n  };\n\n  // Utils.\n  var logging = utils.log;\n  var browserDetails = utils.detectBrowser(window);\n\n  var adapter = {\n    browserDetails: browserDetails,\n    commonShim: commonShim,\n    extractVersion: utils.extractVersion,\n    disableLog: utils.disableLog,\n    disableWarnings: utils.disableWarnings\n  };\n\n  // Shim browser if found.\n  switch (browserDetails.browser) {\n    case 'chrome':\n      if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {\n        logging('Chrome shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming chrome.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = chromeShim;\n\n      chromeShim.shimGetUserMedia(window);\n      chromeShim.shimMediaStream(window);\n      chromeShim.shimPeerConnection(window);\n      chromeShim.shimOnTrack(window);\n      chromeShim.shimAddTrackRemoveTrack(window);\n      chromeShim.shimGetSendersWithDtmf(window);\n      chromeShim.shimGetStats(window);\n      chromeShim.shimSenderReceiverGetStats(window);\n      chromeShim.fixNegotiationNeeded(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimConnectionState(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      commonShim.removeAllowExtmapMixed(window);\n      break;\n    case 'firefox':\n      if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {\n        logging('Firefox shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming firefox.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = firefoxShim;\n\n      firefoxShim.shimGetUserMedia(window);\n      firefoxShim.shimPeerConnection(window);\n      firefoxShim.shimOnTrack(window);\n      firefoxShim.shimRemoveStream(window);\n      firefoxShim.shimSenderGetStats(window);\n      firefoxShim.shimReceiverGetStats(window);\n      firefoxShim.shimRTCDataChannel(window);\n      firefoxShim.shimAddTransceiver(window);\n      firefoxShim.shimCreateOffer(window);\n      firefoxShim.shimCreateAnswer(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimConnectionState(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      break;\n    case 'edge':\n      if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {\n        logging('MS edge shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming edge.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = edgeShim;\n\n      edgeShim.shimGetUserMedia(window);\n      edgeShim.shimGetDisplayMedia(window);\n      edgeShim.shimPeerConnection(window);\n      edgeShim.shimReplaceTrack(window);\n\n      // the edge shim implements the full RTCIceCandidate object.\n\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      break;\n    case 'safari':\n      if (!safariShim || !options.shimSafari) {\n        logging('Safari shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming safari.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = safariShim;\n\n      safariShim.shimRTCIceServerUrls(window);\n      safariShim.shimCreateOfferLegacy(window);\n      safariShim.shimCallbacksAPI(window);\n      safariShim.shimLocalStreamsAPI(window);\n      safariShim.shimRemoteStreamsAPI(window);\n      safariShim.shimTrackEventTransceiver(window);\n      safariShim.shimGetUserMedia(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      commonShim.removeAllowExtmapMixed(window);\n      break;\n    default:\n      logging('Unsupported browser!');\n      break;\n  }\n\n  return adapter;\n}\n\n// Browser shims.\n\n},{\"./chrome/chrome_shim\":3,\"./common_shim\":6,\"./edge/edge_shim\":7,\"./firefox/firefox_shim\":11,\"./safari/safari_shim\":14,\"./utils\":15}],3:[function(require,module,exports){\n\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimMediaStream = shimMediaStream;\nexports.shimOnTrack = shimOnTrack;\nexports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;\nexports.shimGetStats = shimGetStats;\nexports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;\nexports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;\nexports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;\nexports.shimPeerConnection = shimPeerConnection;\nexports.fixNegotiationNeeded = fixNegotiationNeeded;\n\nvar _utils = require('../utils.js');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction shimMediaStream(window) {\n  window.MediaStream = window.MediaStream || window.webkitMediaStream;\n}\n\nfunction shimOnTrack(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {\n      get: function get() {\n        return this._ontrack;\n      },\n      set: function set(f) {\n        if (this._ontrack) {\n          this.removeEventListener('track', this._ontrack);\n        }\n        this.addEventListener('track', this._ontrack = f);\n      },\n\n      enumerable: true,\n      configurable: true\n    });\n    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n      var _this = this;\n\n      if (!this._ontrackpoly) {\n        this._ontrackpoly = function (e) {\n          // onaddstream does not fire when a track is added to an existing\n          // stream. But stream.onaddtrack is implemented so we use that.\n          e.stream.addEventListener('addtrack', function (te) {\n            var receiver = void 0;\n            if (window.RTCPeerConnection.prototype.getReceivers) {\n              receiver = _this.getReceivers().find(function (r) {\n                return r.track && r.track.id === te.track.id;\n              });\n            } else {\n              receiver = { track: te.track };\n            }\n\n            var event = new Event('track');\n            event.track = te.track;\n            event.receiver = receiver;\n            event.transceiver = { receiver: receiver };\n            event.streams = [e.stream];\n            _this.dispatchEvent(event);\n          });\n          e.stream.getTracks().forEach(function (track) {\n            var receiver = void 0;\n            if (window.RTCPeerConnection.prototype.getReceivers) {\n              receiver = _this.getReceivers().find(function (r) {\n                return r.track && r.track.id === track.id;\n              });\n            } else {\n              receiver = { track: track };\n            }\n            var event = new Event('track');\n            event.track = track;\n            event.receiver = receiver;\n            event.transceiver = { receiver: receiver };\n            event.streams = [e.stream];\n            _this.dispatchEvent(event);\n          });\n        };\n        this.addEventListener('addstream', this._ontrackpoly);\n      }\n      return origSetRemoteDescription.apply(this, arguments);\n    };\n  } else {\n    // even if RTCRtpTransceiver is in window, it is only used and\n    // emitted in unified-plan. Unfortunately this means we need\n    // to unconditionally wrap the event.\n    utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n      if (!e.transceiver) {\n        Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } });\n      }\n      return e;\n    });\n  }\n}\n\nfunction shimGetSendersWithDtmf(window) {\n  // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {\n    var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) {\n      return {\n        track: track,\n        get dtmf() {\n          if (this._dtmf === undefined) {\n            if (track.kind === 'audio') {\n              this._dtmf = pc.createDTMFSender(track);\n            } else {\n              this._dtmf = null;\n            }\n          }\n          return this._dtmf;\n        },\n        _pc: pc\n      };\n    };\n\n    // augment addTrack when getSenders is not available.\n    if (!window.RTCPeerConnection.prototype.getSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        this._senders = this._senders || [];\n        return this._senders.slice(); // return a copy of the internal state.\n      };\n      var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n      window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n        var sender = origAddTrack.apply(this, arguments);\n        if (!sender) {\n          sender = shimSenderWithDtmf(this, track);\n          this._senders.push(sender);\n        }\n        return sender;\n      };\n\n      var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n      window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n        origRemoveTrack.apply(this, arguments);\n        var idx = this._senders.indexOf(sender);\n        if (idx !== -1) {\n          this._senders.splice(idx, 1);\n        }\n      };\n    }\n    var origAddStream = window.RTCPeerConnection.prototype.addStream;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      var _this2 = this;\n\n      this._senders = this._senders || [];\n      origAddStream.apply(this, [stream]);\n      stream.getTracks().forEach(function (track) {\n        _this2._senders.push(shimSenderWithDtmf(_this2, track));\n      });\n    };\n\n    var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n      var _this3 = this;\n\n      this._senders = this._senders || [];\n      origRemoveStream.apply(this, [stream]);\n\n      stream.getTracks().forEach(function (track) {\n        var sender = _this3._senders.find(function (s) {\n          return s.track === track;\n        });\n        if (sender) {\n          // remove sender\n          _this3._senders.splice(_this3._senders.indexOf(sender), 1);\n        }\n      });\n    };\n  } else if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {\n    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      var _this4 = this;\n\n      var senders = origGetSenders.apply(this, []);\n      senders.forEach(function (sender) {\n        return sender._pc = _this4;\n      });\n      return senders;\n    };\n\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get: function get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = this._pc.createDTMFSender(this.track);\n          } else {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n}\n\nfunction shimGetStats(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  var origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    var _this5 = this;\n\n    var _arguments = Array.prototype.slice.call(arguments),\n        selector = _arguments[0],\n        onSucc = _arguments[1],\n        onErr = _arguments[2];\n\n    // If selector is a function then we are in the old style stats so just\n    // pass back the original getStats format to avoid breaking old users.\n\n\n    if (arguments.length > 0 && typeof selector === 'function') {\n      return origGetStats.apply(this, arguments);\n    }\n\n    // When spec-style getStats is supported, return those when called with\n    // either no arguments or the selector argument is null.\n    if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== 'function')) {\n      return origGetStats.apply(this, []);\n    }\n\n    var fixChromeStats_ = function fixChromeStats_(response) {\n      var standardReport = {};\n      var reports = response.result();\n      reports.forEach(function (report) {\n        var standardStats = {\n          id: report.id,\n          timestamp: report.timestamp,\n          type: {\n            localcandidate: 'local-candidate',\n            remotecandidate: 'remote-candidate'\n          }[report.type] || report.type\n        };\n        report.names().forEach(function (name) {\n          standardStats[name] = report.stat(name);\n        });\n        standardReport[standardStats.id] = standardStats;\n      });\n\n      return standardReport;\n    };\n\n    // shim getStats with maplike support\n    var makeMapStats = function makeMapStats(stats) {\n      return new Map(Object.keys(stats).map(function (key) {\n        return [key, stats[key]];\n      }));\n    };\n\n    if (arguments.length >= 2) {\n      var successCallbackWrapper_ = function successCallbackWrapper_(response) {\n        onSucc(makeMapStats(fixChromeStats_(response)));\n      };\n\n      return origGetStats.apply(this, [successCallbackWrapper_, selector]);\n    }\n\n    // promise-support\n    return new Promise(function (resolve, reject) {\n      origGetStats.apply(_this5, [function (response) {\n        resolve(makeMapStats(fixChromeStats_(response)));\n      }, reject]);\n    }).then(onSucc, onErr);\n  };\n}\n\nfunction shimSenderReceiverGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) {\n    return;\n  }\n\n  // shim sender stats.\n  if (!('getStats' in window.RTCRtpSender.prototype)) {\n    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    if (origGetSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        var _this6 = this;\n\n        var senders = origGetSenders.apply(this, []);\n        senders.forEach(function (sender) {\n          return sender._pc = _this6;\n        });\n        return senders;\n      };\n    }\n\n    var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n    if (origAddTrack) {\n      window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n        var sender = origAddTrack.apply(this, arguments);\n        sender._pc = this;\n        return sender;\n      };\n    }\n    window.RTCRtpSender.prototype.getStats = function getStats() {\n      var sender = this;\n      return this._pc.getStats().then(function (result) {\n        return (\n          /* Note: this will include stats of all senders that\n           *   send a track with the same id as sender.track as\n           *   it is not possible to identify the RTCRtpSender.\n           */\n          utils.filterStats(result, sender.track, true)\n        );\n      });\n    };\n  }\n\n  // shim receiver stats.\n  if (!('getStats' in window.RTCRtpReceiver.prototype)) {\n    var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n    if (origGetReceivers) {\n      window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n        var _this7 = this;\n\n        var receivers = origGetReceivers.apply(this, []);\n        receivers.forEach(function (receiver) {\n          return receiver._pc = _this7;\n        });\n        return receivers;\n      };\n    }\n    utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n      e.receiver._pc = e.srcElement;\n      return e;\n    });\n    window.RTCRtpReceiver.prototype.getStats = function getStats() {\n      var receiver = this;\n      return this._pc.getStats().then(function (result) {\n        return utils.filterStats(result, receiver.track, false);\n      });\n    };\n  }\n\n  if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) {\n    return;\n  }\n\n  // shim RTCPeerConnection.getStats(track).\n  var origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {\n      var track = arguments[0];\n      var sender = void 0;\n      var receiver = void 0;\n      var err = void 0;\n      this.getSenders().forEach(function (s) {\n        if (s.track === track) {\n          if (sender) {\n            err = true;\n          } else {\n            sender = s;\n          }\n        }\n      });\n      this.getReceivers().forEach(function (r) {\n        if (r.track === track) {\n          if (receiver) {\n            err = true;\n          } else {\n            receiver = r;\n          }\n        }\n        return r.track === track;\n      });\n      if (err || sender && receiver) {\n        return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError'));\n      } else if (sender) {\n        return sender.getStats();\n      } else if (receiver) {\n        return receiver.getStats();\n      }\n      return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError'));\n    }\n    return origGetStats.apply(this, arguments);\n  };\n}\n\nfunction shimAddTrackRemoveTrackWithNative(window) {\n  // shim addTrack/removeTrack with native variants in order to make\n  // the interactions with legacy getLocalStreams behave as in other browsers.\n  // Keeps a mapping stream.id => [stream, rtpsenders...]\n  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n    var _this8 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    return Object.keys(this._shimmedLocalStreams).map(function (streamId) {\n      return _this8._shimmedLocalStreams[streamId][0];\n    });\n  };\n\n  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n    if (!stream) {\n      return origAddTrack.apply(this, arguments);\n    }\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    var sender = origAddTrack.apply(this, arguments);\n    if (!this._shimmedLocalStreams[stream.id]) {\n      this._shimmedLocalStreams[stream.id] = [stream, sender];\n    } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {\n      this._shimmedLocalStreams[stream.id].push(sender);\n    }\n    return sender;\n  };\n\n  var origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    var _this9 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    stream.getTracks().forEach(function (track) {\n      var alreadyExists = _this9.getSenders().find(function (s) {\n        return s.track === track;\n      });\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.', 'InvalidAccessError');\n      }\n    });\n    var existingSenders = this.getSenders();\n    origAddStream.apply(this, arguments);\n    var newSenders = this.getSenders().filter(function (newSender) {\n      return existingSenders.indexOf(newSender) === -1;\n    });\n    this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);\n  };\n\n  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    delete this._shimmedLocalStreams[stream.id];\n    return origRemoveStream.apply(this, arguments);\n  };\n\n  var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n    var _this10 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    if (sender) {\n      Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {\n        var idx = _this10._shimmedLocalStreams[streamId].indexOf(sender);\n        if (idx !== -1) {\n          _this10._shimmedLocalStreams[streamId].splice(idx, 1);\n        }\n        if (_this10._shimmedLocalStreams[streamId].length === 1) {\n          delete _this10._shimmedLocalStreams[streamId];\n        }\n      });\n    }\n    return origRemoveTrack.apply(this, arguments);\n  };\n}\n\nfunction shimAddTrackRemoveTrack(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n  // shim addTrack and removeTrack.\n  if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {\n    return shimAddTrackRemoveTrackWithNative(window);\n  }\n\n  // also shim pc.getLocalStreams when addTrack is shimmed\n  // to return the original streams.\n  var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;\n  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n    var _this11 = this;\n\n    var nativeStreams = origGetLocalStreams.apply(this);\n    this._reverseStreams = this._reverseStreams || {};\n    return nativeStreams.map(function (stream) {\n      return _this11._reverseStreams[stream.id];\n    });\n  };\n\n  var origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    var _this12 = this;\n\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    stream.getTracks().forEach(function (track) {\n      var alreadyExists = _this12.getSenders().find(function (s) {\n        return s.track === track;\n      });\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.', 'InvalidAccessError');\n      }\n    });\n    // Add identity mapping for consistency with addTrack.\n    // Unless this is being used with a stream from addTrack.\n    if (!this._reverseStreams[stream.id]) {\n      var newStream = new window.MediaStream(stream.getTracks());\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      stream = newStream;\n    }\n    origAddStream.apply(this, [stream]);\n  };\n\n  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    origRemoveStream.apply(this, [this._streams[stream.id] || stream]);\n    delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];\n    delete this._streams[stream.id];\n  };\n\n  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n    var _this13 = this;\n\n    if (this.signalingState === 'closed') {\n      throw new DOMException('The RTCPeerConnection\\'s signalingState is \\'closed\\'.', 'InvalidStateError');\n    }\n    var streams = [].slice.call(arguments, 1);\n    if (streams.length !== 1 || !streams[0].getTracks().find(function (t) {\n      return t === track;\n    })) {\n      // this is not fully correct but all we can manage without\n      // [[associated MediaStreams]] internal slot.\n      throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError');\n    }\n\n    var alreadyExists = this.getSenders().find(function (s) {\n      return s.track === track;\n    });\n    if (alreadyExists) {\n      throw new DOMException('Track already exists.', 'InvalidAccessError');\n    }\n\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n    var oldStream = this._streams[stream.id];\n    if (oldStream) {\n      // this is using odd Chrome behaviour, use with caution:\n      // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815\n      // Note: we rely on the high-level addTrack/dtmf shim to\n      // create the sender with a dtmf sender.\n      oldStream.addTrack(track);\n\n      // Trigger ONN async.\n      Promise.resolve().then(function () {\n        _this13.dispatchEvent(new Event('negotiationneeded'));\n      });\n    } else {\n      var newStream = new window.MediaStream([track]);\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      this.addStream(newStream);\n    }\n    return this.getSenders().find(function (s) {\n      return s.track === track;\n    });\n  };\n\n  // replace the internal stream id with the external one and\n  // vice versa.\n  function replaceInternalStreamId(pc, description) {\n    var sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {\n      var externalStream = pc._reverseStreams[internalId];\n      var internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp: sdp\n    });\n  }\n  function replaceExternalStreamId(pc, description) {\n    var sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {\n      var externalStream = pc._reverseStreams[internalId];\n      var internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp: sdp\n    });\n  }\n  ['createOffer', 'createAnswer'].forEach(function (method) {\n    var nativeMethod = window.RTCPeerConnection.prototype[method];\n    var methodObj = _defineProperty({}, method, function () {\n      var _this14 = this;\n\n      var args = arguments;\n      var isLegacyCall = arguments.length && typeof arguments[0] === 'function';\n      if (isLegacyCall) {\n        return nativeMethod.apply(this, [function (description) {\n          var desc = replaceInternalStreamId(_this14, description);\n          args[0].apply(null, [desc]);\n        }, function (err) {\n          if (args[1]) {\n            args[1].apply(null, err);\n          }\n        }, arguments[2]]);\n      }\n      return nativeMethod.apply(this, arguments).then(function (description) {\n        return replaceInternalStreamId(_this14, description);\n      });\n    });\n    window.RTCPeerConnection.prototype[method] = methodObj[method];\n  });\n\n  var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;\n  window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {\n    if (!arguments.length || !arguments[0].type) {\n      return origSetLocalDescription.apply(this, arguments);\n    }\n    arguments[0] = replaceExternalStreamId(this, arguments[0]);\n    return origSetLocalDescription.apply(this, arguments);\n  };\n\n  // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier\n\n  var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription');\n  Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', {\n    get: function get() {\n      var description = origLocalDescription.get.apply(this);\n      if (description.type === '') {\n        return description;\n      }\n      return replaceInternalStreamId(this, description);\n    }\n  });\n\n  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n    var _this15 = this;\n\n    if (this.signalingState === 'closed') {\n      throw new DOMException('The RTCPeerConnection\\'s signalingState is \\'closed\\'.', 'InvalidStateError');\n    }\n    // We can not yet check for sender instanceof RTCRtpSender\n    // since we shim RTPSender. So we check if sender._pc is set.\n    if (!sender._pc) {\n      throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError');\n    }\n    var isLocal = sender._pc === this;\n    if (!isLocal) {\n      throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError');\n    }\n\n    // Search for the native stream the senders track belongs to.\n    this._streams = this._streams || {};\n    var stream = void 0;\n    Object.keys(this._streams).forEach(function (streamid) {\n      var hasTrack = _this15._streams[streamid].getTracks().find(function (track) {\n        return sender.track === track;\n      });\n      if (hasTrack) {\n        stream = _this15._streams[streamid];\n      }\n    });\n\n    if (stream) {\n      if (stream.getTracks().length === 1) {\n        // if this is the last track of the stream, remove the stream. This\n        // takes care of any shimmed _senders.\n        this.removeStream(this._reverseStreams[stream.id]);\n      } else {\n        // relying on the same odd chrome behaviour as above.\n        stream.removeTrack(sender.track);\n      }\n      this.dispatchEvent(new Event('negotiationneeded'));\n    }\n  };\n}\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.webkitRTCPeerConnection;\n  }\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  // shim implicit creation of RTCSessionDescription/RTCIceCandidate\n  if (browserDetails.version < 53) {\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {\n      var nativeMethod = window.RTCPeerConnection.prototype[method];\n      var methodObj = _defineProperty({}, method, function () {\n        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n        return nativeMethod.apply(this, arguments);\n      });\n      window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n  }\n\n  // support for addIceCandidate(null or undefined)\n  var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n  window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n    if (!arguments[0]) {\n      if (arguments[1]) {\n        arguments[1].apply(null);\n      }\n      return Promise.resolve();\n    }\n    // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n    // in older versions. Native support planned for Chrome M77.\n    if (browserDetails.version < 78 && arguments[0] && arguments[0].candidate === '') {\n      return Promise.resolve();\n    }\n    return nativeAddIceCandidate.apply(this, arguments);\n  };\n}\n\nfunction fixNegotiationNeeded(window) {\n  utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {\n    var pc = e.target;\n    if (pc.signalingState !== 'stable') {\n      return;\n    }\n    return e;\n  });\n}\n\n},{\"../utils.js\":15,\"./getdisplaymedia\":4,\"./getusermedia\":5}],4:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window, getSourceId) {\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  // getSourceId is a function that returns a promise resolving with\n  // the sourceId of the screen/window/tab to be shared.\n  if (typeof getSourceId !== 'function') {\n    console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n    return getSourceId(constraints).then(function (sourceId) {\n      var widthSpecified = constraints.video && constraints.video.width;\n      var heightSpecified = constraints.video && constraints.video.height;\n      var frameRateSpecified = constraints.video && constraints.video.frameRate;\n      constraints.video = {\n        mandatory: {\n          chromeMediaSource: 'desktop',\n          chromeMediaSourceId: sourceId,\n          maxFrameRate: frameRateSpecified || 3\n        }\n      };\n      if (widthSpecified) {\n        constraints.video.mandatory.maxWidth = widthSpecified;\n      }\n      if (heightSpecified) {\n        constraints.video.mandatory.maxHeight = heightSpecified;\n      }\n      return window.navigator.mediaDevices.getUserMedia(constraints);\n    });\n  };\n}\n\n},{}],5:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimGetUserMedia = shimGetUserMedia;\n\nvar _utils = require('../utils.js');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nvar logging = utils.log;\n\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  if (!navigator.mediaDevices) {\n    return;\n  }\n\n  var browserDetails = utils.detectBrowser(window);\n\n  var constraintsToChrome_ = function constraintsToChrome_(c) {\n    if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) {\n      return c;\n    }\n    var cc = {};\n    Object.keys(c).forEach(function (key) {\n      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {\n        return;\n      }\n      var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] };\n      if (r.exact !== undefined && typeof r.exact === 'number') {\n        r.min = r.max = r.exact;\n      }\n      var oldname_ = function oldname_(prefix, name) {\n        if (prefix) {\n          return prefix + name.charAt(0).toUpperCase() + name.slice(1);\n        }\n        return name === 'deviceId' ? 'sourceId' : name;\n      };\n      if (r.ideal !== undefined) {\n        cc.optional = cc.optional || [];\n        var oc = {};\n        if (typeof r.ideal === 'number') {\n          oc[oldname_('min', key)] = r.ideal;\n          cc.optional.push(oc);\n          oc = {};\n          oc[oldname_('max', key)] = r.ideal;\n          cc.optional.push(oc);\n        } else {\n          oc[oldname_('', key)] = r.ideal;\n          cc.optional.push(oc);\n        }\n      }\n      if (r.exact !== undefined && typeof r.exact !== 'number') {\n        cc.mandatory = cc.mandatory || {};\n        cc.mandatory[oldname_('', key)] = r.exact;\n      } else {\n        ['min', 'max'].forEach(function (mix) {\n          if (r[mix] !== undefined) {\n            cc.mandatory = cc.mandatory || {};\n            cc.mandatory[oldname_(mix, key)] = r[mix];\n          }\n        });\n      }\n    });\n    if (c.advanced) {\n      cc.optional = (cc.optional || []).concat(c.advanced);\n    }\n    return cc;\n  };\n\n  var shimConstraints_ = function shimConstraints_(constraints, func) {\n    if (browserDetails.version >= 61) {\n      return func(constraints);\n    }\n    constraints = JSON.parse(JSON.stringify(constraints));\n    if (constraints && _typeof(constraints.audio) === 'object') {\n      var remap = function remap(obj, a, b) {\n        if (a in obj && !(b in obj)) {\n          obj[b] = obj[a];\n          delete obj[a];\n        }\n      };\n      constraints = JSON.parse(JSON.stringify(constraints));\n      remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');\n      remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');\n      constraints.audio = constraintsToChrome_(constraints.audio);\n    }\n    if (constraints && _typeof(constraints.video) === 'object') {\n      // Shim facingMode for mobile & surface pro.\n      var face = constraints.video.facingMode;\n      face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face });\n      var getSupportedFacingModeLies = browserDetails.version < 66;\n\n      if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {\n        delete constraints.video.facingMode;\n        var matches = void 0;\n        if (face.exact === 'environment' || face.ideal === 'environment') {\n          matches = ['back', 'rear'];\n        } else if (face.exact === 'user' || face.ideal === 'user') {\n          matches = ['front'];\n        }\n        if (matches) {\n          // Look for matches in label, or use last cam for back (typical).\n          return navigator.mediaDevices.enumerateDevices().then(function (devices) {\n            devices = devices.filter(function (d) {\n              return d.kind === 'videoinput';\n            });\n            var dev = devices.find(function (d) {\n              return matches.some(function (match) {\n                return d.label.toLowerCase().includes(match);\n              });\n            });\n            if (!dev && devices.length && matches.includes('back')) {\n              dev = devices[devices.length - 1]; // more likely the back cam\n            }\n            if (dev) {\n              constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId };\n            }\n            constraints.video = constraintsToChrome_(constraints.video);\n            logging('chrome: ' + JSON.stringify(constraints));\n            return func(constraints);\n          });\n        }\n      }\n      constraints.video = constraintsToChrome_(constraints.video);\n    }\n    logging('chrome: ' + JSON.stringify(constraints));\n    return func(constraints);\n  };\n\n  var shimError_ = function shimError_(e) {\n    if (browserDetails.version >= 64) {\n      return e;\n    }\n    return {\n      name: {\n        PermissionDeniedError: 'NotAllowedError',\n        PermissionDismissedError: 'NotAllowedError',\n        InvalidStateError: 'NotAllowedError',\n        DevicesNotFoundError: 'NotFoundError',\n        ConstraintNotSatisfiedError: 'OverconstrainedError',\n        TrackStartError: 'NotReadableError',\n        MediaDeviceFailedDueToShutdown: 'NotAllowedError',\n        MediaDeviceKillSwitchOn: 'NotAllowedError',\n        TabCaptureError: 'AbortError',\n        ScreenCaptureError: 'AbortError',\n        DeviceCaptureError: 'AbortError'\n      }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint || e.constraintName,\n      toString: function toString() {\n        return this.name + (this.message && ': ') + this.message;\n      }\n    };\n  };\n\n  var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) {\n    shimConstraints_(constraints, function (c) {\n      navigator.webkitGetUserMedia(c, onSuccess, function (e) {\n        if (onError) {\n          onError(shimError_(e));\n        }\n      });\n    });\n  };\n  navigator.getUserMedia = getUserMedia_.bind(navigator);\n\n  // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia\n  // function which returns a Promise, it does not accept spec-style\n  // constraints.\n  if (navigator.mediaDevices.getUserMedia) {\n    var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (cs) {\n      return shimConstraints_(cs, function (c) {\n        return origGetUserMedia(c).then(function (stream) {\n          if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {\n            stream.getTracks().forEach(function (track) {\n              track.stop();\n            });\n            throw new DOMException('', 'NotFoundError');\n          }\n          return stream;\n        }, function (e) {\n          return Promise.reject(shimError_(e));\n        });\n      });\n    };\n  }\n}\n\n},{\"../utils.js\":15}],6:[function(require,module,exports){\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimRTCIceCandidate = shimRTCIceCandidate;\nexports.shimMaxMessageSize = shimMaxMessageSize;\nexports.shimSendThrowTypeError = shimSendThrowTypeError;\nexports.shimConnectionState = shimConnectionState;\nexports.removeAllowExtmapMixed = removeAllowExtmapMixed;\n\nvar _sdp = require('sdp');\n\nvar _sdp2 = _interopRequireDefault(_sdp);\n\nvar _utils = require('./utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction shimRTCIceCandidate(window) {\n  // foundation is arbitrarily chosen as an indicator for full support for\n  // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface\n  if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {\n    return;\n  }\n\n  var NativeRTCIceCandidate = window.RTCIceCandidate;\n  window.RTCIceCandidate = function RTCIceCandidate(args) {\n    // Remove the a= which shouldn't be part of the candidate string.\n    if ((typeof args === 'undefined' ? 'undefined' : _typeof(args)) === 'object' && args.candidate && args.candidate.indexOf('a=') === 0) {\n      args = JSON.parse(JSON.stringify(args));\n      args.candidate = args.candidate.substr(2);\n    }\n\n    if (args.candidate && args.candidate.length) {\n      // Augment the native candidate with the parsed fields.\n      var nativeCandidate = new NativeRTCIceCandidate(args);\n      var parsedCandidate = _sdp2.default.parseCandidate(args.candidate);\n      var augmentedCandidate = Object.assign(nativeCandidate, parsedCandidate);\n\n      // Add a serializer that does not serialize the extra attributes.\n      augmentedCandidate.toJSON = function toJSON() {\n        return {\n          candidate: augmentedCandidate.candidate,\n          sdpMid: augmentedCandidate.sdpMid,\n          sdpMLineIndex: augmentedCandidate.sdpMLineIndex,\n          usernameFragment: augmentedCandidate.usernameFragment\n        };\n      };\n      return augmentedCandidate;\n    }\n    return new NativeRTCIceCandidate(args);\n  };\n  window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;\n\n  // Hook up the augmented candidate in onicecandidate and\n  // addEventListener('icecandidate', ...)\n  utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {\n    if (e.candidate) {\n      Object.defineProperty(e, 'candidate', {\n        value: new window.RTCIceCandidate(e.candidate),\n        writable: 'false'\n      });\n    }\n    return e;\n  });\n}\n\nfunction shimMaxMessageSize(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n\n  if (!('sctp' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {\n      get: function get() {\n        return typeof this._sctp === 'undefined' ? null : this._sctp;\n      }\n    });\n  }\n\n  var sctpInDescription = function sctpInDescription(description) {\n    if (!description || !description.sdp) {\n      return false;\n    }\n    var sections = _sdp2.default.splitSections(description.sdp);\n    sections.shift();\n    return sections.some(function (mediaSection) {\n      var mLine = _sdp2.default.parseMLine(mediaSection);\n      return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1;\n    });\n  };\n\n  var getRemoteFirefoxVersion = function getRemoteFirefoxVersion(description) {\n    // TODO: Is there a better solution for detecting Firefox?\n    var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\\d+)/);\n    if (match === null || match.length < 2) {\n      return -1;\n    }\n    var version = parseInt(match[1], 10);\n    // Test for NaN (yes, this is ugly)\n    return version !== version ? -1 : version;\n  };\n\n  var getCanSendMaxMessageSize = function getCanSendMaxMessageSize(remoteIsFirefox) {\n    // Every implementation we know can send at least 64 KiB.\n    // Note: Although Chrome is technically able to send up to 256 KiB, the\n    //       data does not reach the other peer reliably.\n    //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419\n    var canSendMaxMessageSize = 65536;\n    if (browserDetails.browser === 'firefox') {\n      if (browserDetails.version < 57) {\n        if (remoteIsFirefox === -1) {\n          // FF < 57 will send in 16 KiB chunks using the deprecated PPID\n          // fragmentation.\n          canSendMaxMessageSize = 16384;\n        } else {\n          // However, other FF (and RAWRTC) can reassemble PPID-fragmented\n          // messages. Thus, supporting ~2 GiB when sending.\n          canSendMaxMessageSize = 2147483637;\n        }\n      } else if (browserDetails.version < 60) {\n        // Currently, all FF >= 57 will reset the remote maximum message size\n        // to the default value when a data channel is created at a later\n        // stage. :(\n        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n        canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;\n      } else {\n        // FF >= 60 supports sending ~2 GiB\n        canSendMaxMessageSize = 2147483637;\n      }\n    }\n    return canSendMaxMessageSize;\n  };\n\n  var getMaxMessageSize = function getMaxMessageSize(description, remoteIsFirefox) {\n    // Note: 65536 bytes is the default value from the SDP spec. Also,\n    //       every implementation we know supports receiving 65536 bytes.\n    var maxMessageSize = 65536;\n\n    // FF 57 has a slightly incorrect default remote max message size, so\n    // we need to adjust it here to avoid a failure when sending.\n    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697\n    if (browserDetails.browser === 'firefox' && browserDetails.version === 57) {\n      maxMessageSize = 65535;\n    }\n\n    var match = _sdp2.default.matchPrefix(description.sdp, 'a=max-message-size:');\n    if (match.length > 0) {\n      maxMessageSize = parseInt(match[0].substr(19), 10);\n    } else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) {\n      // If the maximum message size is not present in the remote SDP and\n      // both local and remote are Firefox, the remote peer can receive\n      // ~2 GiB.\n      maxMessageSize = 2147483637;\n    }\n    return maxMessageSize;\n  };\n\n  var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n    this._sctp = null;\n    // Chrome decided to not expose .sctp in plan-b mode.\n    // As usual, adapter.js has to do an 'ugly worakaround'\n    // to cover up the mess.\n    if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {\n      var _getConfiguration = this.getConfiguration(),\n          sdpSemantics = _getConfiguration.sdpSemantics;\n\n      if (sdpSemantics === 'plan-b') {\n        Object.defineProperty(this, 'sctp', {\n          get: function get() {\n            return typeof this._sctp === 'undefined' ? null : this._sctp;\n          },\n\n          enumerable: true,\n          configurable: true\n        });\n      }\n    }\n\n    if (sctpInDescription(arguments[0])) {\n      // Check if the remote is FF.\n      var isFirefox = getRemoteFirefoxVersion(arguments[0]);\n\n      // Get the maximum message size the local peer is capable of sending\n      var canSendMMS = getCanSendMaxMessageSize(isFirefox);\n\n      // Get the maximum message size of the remote peer.\n      var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);\n\n      // Determine final maximum message size\n      var maxMessageSize = void 0;\n      if (canSendMMS === 0 && remoteMMS === 0) {\n        maxMessageSize = Number.POSITIVE_INFINITY;\n      } else if (canSendMMS === 0 || remoteMMS === 0) {\n        maxMessageSize = Math.max(canSendMMS, remoteMMS);\n      } else {\n        maxMessageSize = Math.min(canSendMMS, remoteMMS);\n      }\n\n      // Create a dummy RTCSctpTransport object and the 'maxMessageSize'\n      // attribute.\n      var sctp = {};\n      Object.defineProperty(sctp, 'maxMessageSize', {\n        get: function get() {\n          return maxMessageSize;\n        }\n      });\n      this._sctp = sctp;\n    }\n\n    return origSetRemoteDescription.apply(this, arguments);\n  };\n}\n\nfunction shimSendThrowTypeError(window) {\n  if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) {\n    return;\n  }\n\n  // Note: Although Firefox >= 57 has a native implementation, the maximum\n  //       message size can be reset for all data channels at a later stage.\n  //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n\n  function wrapDcSend(dc, pc) {\n    var origDataChannelSend = dc.send;\n    dc.send = function send() {\n      var data = arguments[0];\n      var length = data.length || data.size || data.byteLength;\n      if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) {\n        throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)');\n      }\n      return origDataChannelSend.apply(dc, arguments);\n    };\n  }\n  var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;\n  window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {\n    var dataChannel = origCreateDataChannel.apply(this, arguments);\n    wrapDcSend(dataChannel, this);\n    return dataChannel;\n  };\n  utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {\n    wrapDcSend(e.channel, e.target);\n    return e;\n  });\n}\n\n/* shims RTCConnectionState by pretending it is the same as iceConnectionState.\n * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12\n * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect\n * since DTLS failures would be hidden. See\n * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827\n * for the Firefox tracking bug.\n */\nfunction shimConnectionState(window) {\n  if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  var proto = window.RTCPeerConnection.prototype;\n  Object.defineProperty(proto, 'connectionState', {\n    get: function get() {\n      return {\n        completed: 'connected',\n        checking: 'connecting'\n      }[this.iceConnectionState] || this.iceConnectionState;\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n  Object.defineProperty(proto, 'onconnectionstatechange', {\n    get: function get() {\n      return this._onconnectionstatechange || null;\n    },\n    set: function set(cb) {\n      if (this._onconnectionstatechange) {\n        this.removeEventListener('connectionstatechange', this._onconnectionstatechange);\n        delete this._onconnectionstatechange;\n      }\n      if (cb) {\n        this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);\n      }\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n\n  ['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {\n    var origMethod = proto[method];\n    proto[method] = function () {\n      if (!this._connectionstatechangepoly) {\n        this._connectionstatechangepoly = function (e) {\n          var pc = e.target;\n          if (pc._lastConnectionState !== pc.connectionState) {\n            pc._lastConnectionState = pc.connectionState;\n            var newEvent = new Event('connectionstatechange', e);\n            pc.dispatchEvent(newEvent);\n          }\n          return e;\n        };\n        this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);\n      }\n      return origMethod.apply(this, arguments);\n    };\n  });\n}\n\nfunction removeAllowExtmapMixed(window) {\n  /* remove a=extmap-allow-mixed for Chrome < M71 */\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n  if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {\n    return;\n  }\n  var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {\n    if (desc && desc.sdp && desc.sdp.indexOf('\\na=extmap-allow-mixed') !== -1) {\n      desc.sdp = desc.sdp.split('\\n').filter(function (line) {\n        return line.trim() !== 'a=extmap-allow-mixed';\n      }).join('\\n');\n    }\n    return nativeSRD.apply(this, arguments);\n  };\n}\n\n},{\"./utils\":15,\"sdp\":17}],7:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimPeerConnection = shimPeerConnection;\nexports.shimReplaceTrack = shimReplaceTrack;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nvar _filtericeservers = require('./filtericeservers');\n\nvar _rtcpeerconnectionShim = require('rtcpeerconnection-shim');\n\nvar _rtcpeerconnectionShim2 = _interopRequireDefault(_rtcpeerconnectionShim);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if (window.RTCIceGatherer) {\n    if (!window.RTCIceCandidate) {\n      window.RTCIceCandidate = function RTCIceCandidate(args) {\n        return args;\n      };\n    }\n    if (!window.RTCSessionDescription) {\n      window.RTCSessionDescription = function RTCSessionDescription(args) {\n        return args;\n      };\n    }\n    // this adds an additional event listener to MediaStrackTrack that signals\n    // when a tracks enabled property was changed. Workaround for a bug in\n    // addStream, see below. No longer required in 15025+\n    if (browserDetails.version < 15025) {\n      var origMSTEnabled = Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype, 'enabled');\n      Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {\n        set: function set(value) {\n          origMSTEnabled.set.call(this, value);\n          var ev = new Event('enabled');\n          ev.enabled = value;\n          this.dispatchEvent(ev);\n        }\n      });\n    }\n  }\n\n  // ORTC defines the DTMF sender a bit different.\n  // https://github.com/w3c/ortc/issues/714\n  if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get: function get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = new window.RTCDtmfSender(this);\n          } else if (this.track.kind === 'video') {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n  // Edge currently only implements the RTCDtmfSender, not the\n  // RTCDTMFSender alias. See http://draft.ortc.org/#rtcdtmfsender2*\n  if (window.RTCDtmfSender && !window.RTCDTMFSender) {\n    window.RTCDTMFSender = window.RTCDtmfSender;\n  }\n\n  var RTCPeerConnectionShim = (0, _rtcpeerconnectionShim2.default)(window, browserDetails.version);\n  window.RTCPeerConnection = function RTCPeerConnection(config) {\n    if (config && config.iceServers) {\n      config.iceServers = (0, _filtericeservers.filterIceServers)(config.iceServers, browserDetails.version);\n      utils.log('ICE servers after filtering:', config.iceServers);\n    }\n    return new RTCPeerConnectionShim(config);\n  };\n  window.RTCPeerConnection.prototype = RTCPeerConnectionShim.prototype;\n}\n\nfunction shimReplaceTrack(window) {\n  // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614\n  if (window.RTCRtpSender && !('replaceTrack' in window.RTCRtpSender.prototype)) {\n    window.RTCRtpSender.prototype.replaceTrack = window.RTCRtpSender.prototype.setTrack;\n  }\n}\n\n},{\"../utils\":15,\"./filtericeservers\":8,\"./getdisplaymedia\":9,\"./getusermedia\":10,\"rtcpeerconnection-shim\":16}],8:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.filterIceServers = filterIceServers;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\n// Edge does not like\n// 1) stun: filtered after 14393 unless ?transport=udp is present\n// 2) turn: that does not have all of turn:host:port?transport=udp\n// 3) turn: with ipv6 addresses\n// 4) turn: occurring muliple times\nfunction filterIceServers(iceServers, edgeVersion) {\n  var hasTurn = false;\n  iceServers = JSON.parse(JSON.stringify(iceServers));\n  return iceServers.filter(function (server) {\n    if (server && (server.urls || server.url)) {\n      var urls = server.urls || server.url;\n      if (server.url && !server.urls) {\n        utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n      }\n      var isString = typeof urls === 'string';\n      if (isString) {\n        urls = [urls];\n      }\n      urls = urls.filter(function (url) {\n        // filter STUN unconditionally.\n        if (url.indexOf('stun:') === 0) {\n          return false;\n        }\n\n        var validTurn = url.startsWith('turn') && !url.startsWith('turn:[') && url.includes('transport=udp');\n        if (validTurn && !hasTurn) {\n          hasTurn = true;\n          return true;\n        }\n        return validTurn && !hasTurn;\n      });\n\n      delete server.url;\n      server.urls = isString ? urls[0] : urls;\n      return !!urls.length;\n    }\n  });\n}\n\n},{\"../utils\":15}],9:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window) {\n  if (!('getDisplayMedia' in window.navigator)) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = window.navigator.getDisplayMedia.bind(window.navigator);\n}\n\n},{}],10:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetUserMedia = shimGetUserMedia;\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  var shimError_ = function shimError_(e) {\n    return {\n      name: { PermissionDeniedError: 'NotAllowedError' }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint,\n      toString: function toString() {\n        return this.name;\n      }\n    };\n  };\n\n  // getUserMedia error shim.\n  var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n  navigator.mediaDevices.getUserMedia = function (c) {\n    return origGetUserMedia(c).catch(function (e) {\n      return Promise.reject(shimError_(e));\n    });\n  };\n}\n\n},{}],11:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimOnTrack = shimOnTrack;\nexports.shimPeerConnection = shimPeerConnection;\nexports.shimSenderGetStats = shimSenderGetStats;\nexports.shimReceiverGetStats = shimReceiverGetStats;\nexports.shimRemoveStream = shimRemoveStream;\nexports.shimRTCDataChannel = shimRTCDataChannel;\nexports.shimAddTransceiver = shimAddTransceiver;\nexports.shimCreateOffer = shimCreateOffer;\nexports.shimCreateAnswer = shimCreateAnswer;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction shimOnTrack(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get: function get() {\n        return { receiver: this.receiver };\n      }\n    });\n  }\n}\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {\n    return; // probably media.peerconnection.enabled=false in about:config\n  }\n  if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.mozRTCPeerConnection;\n  }\n\n  if (browserDetails.version < 53) {\n    // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {\n      var nativeMethod = window.RTCPeerConnection.prototype[method];\n      var methodObj = _defineProperty({}, method, function () {\n        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n        return nativeMethod.apply(this, arguments);\n      });\n      window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n  }\n\n  // support for addIceCandidate(null or undefined)\n  // as well as ignoring {sdpMid, candidate: \"\"}\n  if (browserDetails.version < 68) {\n    var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n    window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n      if (!arguments[0]) {\n        if (arguments[1]) {\n          arguments[1].apply(null);\n        }\n        return Promise.resolve();\n      }\n      // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n      // in older versions.\n      if (arguments[0] && arguments[0].candidate === '') {\n        return Promise.resolve();\n      }\n      return nativeAddIceCandidate.apply(this, arguments);\n    };\n  }\n\n  var modernStatsTypes = {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  };\n\n  var nativeGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    var _arguments = Array.prototype.slice.call(arguments),\n        selector = _arguments[0],\n        onSucc = _arguments[1],\n        onErr = _arguments[2];\n\n    return nativeGetStats.apply(this, [selector || null]).then(function (stats) {\n      if (browserDetails.version < 53 && !onSucc) {\n        // Shim only promise getStats with spec-hyphens in type names\n        // Leave callback version alone; misc old uses of forEach before Map\n        try {\n          stats.forEach(function (stat) {\n            stat.type = modernStatsTypes[stat.type] || stat.type;\n          });\n        } catch (e) {\n          if (e.name !== 'TypeError') {\n            throw e;\n          }\n          // Avoid TypeError: \"type\" is read-only, in old versions. 34-43ish\n          stats.forEach(function (stat, i) {\n            stats.set(i, Object.assign({}, stat, {\n              type: modernStatsTypes[stat.type] || stat.type\n            }));\n          });\n        }\n      }\n      return stats;\n    }).then(onSucc, onErr);\n  };\n}\n\nfunction shimSenderGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {\n    return;\n  }\n  var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n  if (origGetSenders) {\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      var _this = this;\n\n      var senders = origGetSenders.apply(this, []);\n      senders.forEach(function (sender) {\n        return sender._pc = _this;\n      });\n      return senders;\n    };\n  }\n\n  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  if (origAddTrack) {\n    window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n      var sender = origAddTrack.apply(this, arguments);\n      sender._pc = this;\n      return sender;\n    };\n  }\n  window.RTCRtpSender.prototype.getStats = function getStats() {\n    return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());\n  };\n}\n\nfunction shimReceiverGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {\n    return;\n  }\n  var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n  if (origGetReceivers) {\n    window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n      var _this2 = this;\n\n      var receivers = origGetReceivers.apply(this, []);\n      receivers.forEach(function (receiver) {\n        return receiver._pc = _this2;\n      });\n      return receivers;\n    };\n  }\n  utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n    e.receiver._pc = e.srcElement;\n    return e;\n  });\n  window.RTCRtpReceiver.prototype.getStats = function getStats() {\n    return this._pc.getStats(this.track);\n  };\n}\n\nfunction shimRemoveStream(window) {\n  if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    var _this3 = this;\n\n    utils.deprecated('removeStream', 'removeTrack');\n    this.getSenders().forEach(function (sender) {\n      if (sender.track && stream.getTracks().includes(sender.track)) {\n        _this3.removeTrack(sender);\n      }\n    });\n  };\n}\n\nfunction shimRTCDataChannel(window) {\n  // rename DataChannel to RTCDataChannel (native fix in FF60):\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851\n  if (window.DataChannel && !window.RTCDataChannel) {\n    window.RTCDataChannel = window.DataChannel;\n  }\n}\n\nfunction shimAddTransceiver(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;\n  if (origAddTransceiver) {\n    window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() {\n      this.setParametersPromises = [];\n      var initParameters = arguments[1];\n      var shouldPerformCheck = initParameters && 'sendEncodings' in initParameters;\n      if (shouldPerformCheck) {\n        // If sendEncodings params are provided, validate grammar\n        initParameters.sendEncodings.forEach(function (encodingParam) {\n          if ('rid' in encodingParam) {\n            var ridRegex = /^[a-z0-9]{0,16}$/i;\n            if (!ridRegex.test(encodingParam.rid)) {\n              throw new TypeError('Invalid RID value provided.');\n            }\n          }\n          if ('scaleResolutionDownBy' in encodingParam) {\n            if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {\n              throw new RangeError('scale_resolution_down_by must be >= 1.0');\n            }\n          }\n          if ('maxFramerate' in encodingParam) {\n            if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {\n              throw new RangeError('max_framerate must be >= 0.0');\n            }\n          }\n        });\n      }\n      var transceiver = origAddTransceiver.apply(this, arguments);\n      if (shouldPerformCheck) {\n        // Check if the init options were applied. If not we do this in an\n        // asynchronous way and save the promise reference in a global object.\n        // This is an ugly hack, but at the same time is way more robust than\n        // checking the sender parameters before and after the createOffer\n        // Also note that after the createoffer we are not 100% sure that\n        // the params were asynchronously applied so we might miss the\n        // opportunity to recreate offer.\n        var sender = transceiver.sender;\n\n        var params = sender.getParameters();\n        if (!('encodings' in params)) {\n          params.encodings = initParameters.sendEncodings;\n          this.setParametersPromises.push(sender.setParameters(params).catch(function () {}));\n        }\n      }\n      return transceiver;\n    };\n  }\n}\n\nfunction shimCreateOffer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer() {\n    var _this4 = this,\n        _arguments2 = arguments;\n\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises).then(function () {\n        return origCreateOffer.apply(_this4, _arguments2);\n      }).finally(function () {\n        _this4.setParametersPromises = [];\n      });\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\nfunction shimCreateAnswer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;\n  window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {\n    var _this5 = this,\n        _arguments3 = arguments;\n\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises).then(function () {\n        return origCreateAnswer.apply(_this5, _arguments3);\n      }).finally(function () {\n        _this5.setParametersPromises = [];\n      });\n    }\n    return origCreateAnswer.apply(this, arguments);\n  };\n}\n\n},{\"../utils\":15,\"./getdisplaymedia\":12,\"./getusermedia\":13}],12:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window, preferredMediaSource) {\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n    if (!(constraints && constraints.video)) {\n      var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');\n      err.name = 'NotFoundError';\n      // from https://heycam.github.io/webidl/#idl-DOMException-error-names\n      err.code = 8;\n      return Promise.reject(err);\n    }\n    if (constraints.video === true) {\n      constraints.video = { mediaSource: preferredMediaSource };\n    } else {\n      constraints.video.mediaSource = preferredMediaSource;\n    }\n    return window.navigator.mediaDevices.getUserMedia(constraints);\n  };\n}\n\n},{}],13:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimGetUserMedia = shimGetUserMedia;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimGetUserMedia(window) {\n  var browserDetails = utils.detectBrowser(window);\n  var navigator = window && window.navigator;\n  var MediaStreamTrack = window && window.MediaStreamTrack;\n\n  navigator.getUserMedia = function (constraints, onSuccess, onError) {\n    // Replace Firefox 44+'s deprecation warning with unprefixed version.\n    utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');\n    navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);\n  };\n\n  if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {\n    var remap = function remap(obj, a, b) {\n      if (a in obj && !(b in obj)) {\n        obj[b] = obj[a];\n        delete obj[a];\n      }\n    };\n\n    var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (c) {\n      if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') {\n        c = JSON.parse(JSON.stringify(c));\n        remap(c.audio, 'autoGainControl', 'mozAutoGainControl');\n        remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');\n      }\n      return nativeGetUserMedia(c);\n    };\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {\n      var nativeGetSettings = MediaStreamTrack.prototype.getSettings;\n      MediaStreamTrack.prototype.getSettings = function () {\n        var obj = nativeGetSettings.apply(this, arguments);\n        remap(obj, 'mozAutoGainControl', 'autoGainControl');\n        remap(obj, 'mozNoiseSuppression', 'noiseSuppression');\n        return obj;\n      };\n    }\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {\n      var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;\n      MediaStreamTrack.prototype.applyConstraints = function (c) {\n        if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') {\n          c = JSON.parse(JSON.stringify(c));\n          remap(c, 'autoGainControl', 'mozAutoGainControl');\n          remap(c, 'noiseSuppression', 'mozNoiseSuppression');\n        }\n        return nativeApplyConstraints.apply(this, [c]);\n      };\n    }\n  }\n}\n\n},{\"../utils\":15}],14:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimLocalStreamsAPI = shimLocalStreamsAPI;\nexports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;\nexports.shimCallbacksAPI = shimCallbacksAPI;\nexports.shimGetUserMedia = shimGetUserMedia;\nexports.shimConstraints = shimConstraints;\nexports.shimRTCIceServerUrls = shimRTCIceServerUrls;\nexports.shimTrackEventTransceiver = shimTrackEventTransceiver;\nexports.shimCreateOfferLegacy = shimCreateOfferLegacy;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimLocalStreamsAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      return this._localStreams;\n    };\n  }\n  if (!('addStream' in window.RTCPeerConnection.prototype)) {\n    var _addTrack = window.RTCPeerConnection.prototype.addTrack;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      var _this = this;\n\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      if (!this._localStreams.includes(stream)) {\n        this._localStreams.push(stream);\n      }\n      // Try to emulate Chrome's behaviour of adding in audio-video order.\n      // Safari orders by track id.\n      stream.getAudioTracks().forEach(function (track) {\n        return _addTrack.call(_this, track, stream);\n      });\n      stream.getVideoTracks().forEach(function (track) {\n        return _addTrack.call(_this, track, stream);\n      });\n    };\n\n    window.RTCPeerConnection.prototype.addTrack = function addTrack(track) {\n      var stream = arguments[1];\n      if (stream) {\n        if (!this._localStreams) {\n          this._localStreams = [stream];\n        } else if (!this._localStreams.includes(stream)) {\n          this._localStreams.push(stream);\n        }\n      }\n      return _addTrack.apply(this, arguments);\n    };\n  }\n  if (!('removeStream' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n      var _this2 = this;\n\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      var index = this._localStreams.indexOf(stream);\n      if (index === -1) {\n        return;\n      }\n      this._localStreams.splice(index, 1);\n      var tracks = stream.getTracks();\n      this.getSenders().forEach(function (sender) {\n        if (tracks.includes(sender.track)) {\n          _this2.removeTrack(sender);\n        }\n      });\n    };\n  }\n}\n\nfunction shimRemoteStreamsAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {\n      return this._remoteStreams ? this._remoteStreams : [];\n    };\n  }\n  if (!('onaddstream' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {\n      get: function get() {\n        return this._onaddstream;\n      },\n      set: function set(f) {\n        var _this3 = this;\n\n        if (this._onaddstream) {\n          this.removeEventListener('addstream', this._onaddstream);\n          this.removeEventListener('track', this._onaddstreampoly);\n        }\n        this.addEventListener('addstream', this._onaddstream = f);\n        this.addEventListener('track', this._onaddstreampoly = function (e) {\n          e.streams.forEach(function (stream) {\n            if (!_this3._remoteStreams) {\n              _this3._remoteStreams = [];\n            }\n            if (_this3._remoteStreams.includes(stream)) {\n              return;\n            }\n            _this3._remoteStreams.push(stream);\n            var event = new Event('addstream');\n            event.stream = stream;\n            _this3.dispatchEvent(event);\n          });\n        });\n      }\n    });\n    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n      var pc = this;\n      if (!this._onaddstreampoly) {\n        this.addEventListener('track', this._onaddstreampoly = function (e) {\n          e.streams.forEach(function (stream) {\n            if (!pc._remoteStreams) {\n              pc._remoteStreams = [];\n            }\n            if (pc._remoteStreams.indexOf(stream) >= 0) {\n              return;\n            }\n            pc._remoteStreams.push(stream);\n            var event = new Event('addstream');\n            event.stream = stream;\n            pc.dispatchEvent(event);\n          });\n        });\n      }\n      return origSetRemoteDescription.apply(pc, arguments);\n    };\n  }\n}\n\nfunction shimCallbacksAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  var prototype = window.RTCPeerConnection.prototype;\n  var origCreateOffer = prototype.createOffer;\n  var origCreateAnswer = prototype.createAnswer;\n  var setLocalDescription = prototype.setLocalDescription;\n  var setRemoteDescription = prototype.setRemoteDescription;\n  var addIceCandidate = prototype.addIceCandidate;\n\n  prototype.createOffer = function createOffer(successCallback, failureCallback) {\n    var options = arguments.length >= 2 ? arguments[2] : arguments[0];\n    var promise = origCreateOffer.apply(this, [options]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n\n  prototype.createAnswer = function createAnswer(successCallback, failureCallback) {\n    var options = arguments.length >= 2 ? arguments[2] : arguments[0];\n    var promise = origCreateAnswer.apply(this, [options]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n\n  var withCallback = function withCallback(description, successCallback, failureCallback) {\n    var promise = setLocalDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setLocalDescription = withCallback;\n\n  withCallback = function withCallback(description, successCallback, failureCallback) {\n    var promise = setRemoteDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setRemoteDescription = withCallback;\n\n  withCallback = function withCallback(candidate, successCallback, failureCallback) {\n    var promise = addIceCandidate.apply(this, [candidate]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.addIceCandidate = withCallback;\n}\n\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    // shim not needed in Safari 12.1\n    var mediaDevices = navigator.mediaDevices;\n    var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (constraints) {\n      return _getUserMedia(shimConstraints(constraints));\n    };\n  }\n\n  if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {\n      navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);\n    }.bind(navigator);\n  }\n}\n\nfunction shimConstraints(constraints) {\n  if (constraints && constraints.video !== undefined) {\n    return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) });\n  }\n\n  return constraints;\n}\n\nfunction shimRTCIceServerUrls(window) {\n  // migrate from non-spec RTCIceServer.url to RTCIceServer.urls\n  var OrigPeerConnection = window.RTCPeerConnection;\n  window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {\n    if (pcConfig && pcConfig.iceServers) {\n      var newIceServers = [];\n      for (var i = 0; i < pcConfig.iceServers.length; i++) {\n        var server = pcConfig.iceServers[i];\n        if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {\n          utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n          server = JSON.parse(JSON.stringify(server));\n          server.urls = server.url;\n          delete server.url;\n          newIceServers.push(server);\n        } else {\n          newIceServers.push(pcConfig.iceServers[i]);\n        }\n      }\n      pcConfig.iceServers = newIceServers;\n    }\n    return new OrigPeerConnection(pcConfig, pcConstraints);\n  };\n  window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;\n  // wrap static methods. Currently just generateCertificate.\n  if ('generateCertificate' in window.RTCPeerConnection) {\n    Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {\n      get: function get() {\n        return OrigPeerConnection.generateCertificate;\n      }\n    });\n  }\n}\n\nfunction shimTrackEventTransceiver(window) {\n  // Add event.transceiver member over deprecated event.receiver\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get: function get() {\n        return { receiver: this.receiver };\n      }\n    });\n  }\n}\n\nfunction shimCreateOfferLegacy(window) {\n  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {\n    if (offerOptions) {\n      if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {\n        // support bit values\n        offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;\n      }\n      var audioTransceiver = this.getTransceivers().find(function (transceiver) {\n        return transceiver.receiver.track.kind === 'audio';\n      });\n      if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {\n        if (audioTransceiver.direction === 'sendrecv') {\n          if (audioTransceiver.setDirection) {\n            audioTransceiver.setDirection('sendonly');\n          } else {\n            audioTransceiver.direction = 'sendonly';\n          }\n        } else if (audioTransceiver.direction === 'recvonly') {\n          if (audioTransceiver.setDirection) {\n            audioTransceiver.setDirection('inactive');\n          } else {\n            audioTransceiver.direction = 'inactive';\n          }\n        }\n      } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {\n        this.addTransceiver('audio');\n      }\n\n      if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {\n        // support bit values\n        offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;\n      }\n      var videoTransceiver = this.getTransceivers().find(function (transceiver) {\n        return transceiver.receiver.track.kind === 'video';\n      });\n      if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {\n        if (videoTransceiver.direction === 'sendrecv') {\n          if (videoTransceiver.setDirection) {\n            videoTransceiver.setDirection('sendonly');\n          } else {\n            videoTransceiver.direction = 'sendonly';\n          }\n        } else if (videoTransceiver.direction === 'recvonly') {\n          if (videoTransceiver.setDirection) {\n            videoTransceiver.setDirection('inactive');\n          } else {\n            videoTransceiver.direction = 'inactive';\n          }\n        }\n      } else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {\n        this.addTransceiver('video');\n      }\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\n},{\"../utils\":15}],15:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.extractVersion = extractVersion;\nexports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;\nexports.disableLog = disableLog;\nexports.disableWarnings = disableWarnings;\nexports.log = log;\nexports.deprecated = deprecated;\nexports.detectBrowser = detectBrowser;\nexports.compactObject = compactObject;\nexports.walkStats = walkStats;\nexports.filterStats = filterStats;\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nvar logDisabled_ = true;\nvar deprecationWarnings_ = true;\n\n/**\n * Extract browser version out of the provided user agent string.\n *\n * @param {!string} uastring userAgent string.\n * @param {!string} expr Regular expression used as match criteria.\n * @param {!number} pos position in the version string to be returned.\n * @return {!number} browser version.\n */\nfunction extractVersion(uastring, expr, pos) {\n  var match = uastring.match(expr);\n  return match && match.length >= pos && parseInt(match[pos], 10);\n}\n\n// Wraps the peerconnection event eventNameToWrap in a function\n// which returns the modified event object (or false to prevent\n// the event).\nfunction wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var proto = window.RTCPeerConnection.prototype;\n  var nativeAddEventListener = proto.addEventListener;\n  proto.addEventListener = function (nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap) {\n      return nativeAddEventListener.apply(this, arguments);\n    }\n    var wrappedCallback = function wrappedCallback(e) {\n      var modifiedEvent = wrapper(e);\n      if (modifiedEvent) {\n        cb(modifiedEvent);\n      }\n    };\n    this._eventMap = this._eventMap || {};\n    this._eventMap[cb] = wrappedCallback;\n    return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);\n  };\n\n  var nativeRemoveEventListener = proto.removeEventListener;\n  proto.removeEventListener = function (nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[cb]) {\n      return nativeRemoveEventListener.apply(this, arguments);\n    }\n    var unwrappedCb = this._eventMap[cb];\n    delete this._eventMap[cb];\n    return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);\n  };\n\n  Object.defineProperty(proto, 'on' + eventNameToWrap, {\n    get: function get() {\n      return this['_on' + eventNameToWrap];\n    },\n    set: function set(cb) {\n      if (this['_on' + eventNameToWrap]) {\n        this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);\n        delete this['_on' + eventNameToWrap];\n      }\n      if (cb) {\n        this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);\n      }\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n}\n\nfunction disableLog(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');\n  }\n  logDisabled_ = bool;\n  return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';\n}\n\n/**\n * Disable or enable deprecation warnings\n * @param {!boolean} bool set to true to disable warnings.\n */\nfunction disableWarnings(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');\n  }\n  deprecationWarnings_ = !bool;\n  return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');\n}\n\nfunction log() {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') {\n    if (logDisabled_) {\n      return;\n    }\n    if (typeof console !== 'undefined' && typeof console.log === 'function') {\n      console.log.apply(console, arguments);\n    }\n  }\n}\n\n/**\n * Shows a deprecation warning suggesting the modern and spec-compatible API.\n */\nfunction deprecated(oldMethod, newMethod) {\n  if (!deprecationWarnings_) {\n    return;\n  }\n  console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');\n}\n\n/**\n * Browser detector.\n *\n * @return {object} result containing browser and version\n *     properties.\n */\nfunction detectBrowser(window) {\n  var navigator = window.navigator;\n\n  // Returned result object.\n\n  var result = { browser: null, version: null };\n\n  // Fail early if it's not a browser\n  if (typeof window === 'undefined' || !window.navigator) {\n    result.browser = 'Not a browser.';\n    return result;\n  }\n\n  if (navigator.mozGetUserMedia) {\n    // Firefox.\n    result.browser = 'firefox';\n    result.version = extractVersion(navigator.userAgent, /Firefox\\/(\\d+)\\./, 1);\n  } else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection && !window.RTCIceGatherer) {\n    // Chrome, Chromium, Webview, Opera.\n    // Version matches Chrome/WebRTC version.\n    // Chrome 74 removed webkitGetUserMedia on http as well so we need the\n    // more complicated fallback to webkitRTCPeerConnection.\n    result.browser = 'chrome';\n    result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\\/(\\d+)\\./, 2);\n  } else if (navigator.mediaDevices && navigator.userAgent.match(/Edge\\/(\\d+).(\\d+)$/)) {\n    // Edge.\n    result.browser = 'edge';\n    result.version = extractVersion(navigator.userAgent, /Edge\\/(\\d+).(\\d+)$/, 2);\n  } else if (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\\/(\\d+)\\./)) {\n    // Safari.\n    result.browser = 'safari';\n    result.version = extractVersion(navigator.userAgent, /AppleWebKit\\/(\\d+)\\./, 1);\n    result.supportsUnifiedPlan = window.RTCRtpTransceiver && 'currentDirection' in window.RTCRtpTransceiver.prototype;\n  } else {\n    // Default fallthrough: not supported.\n    result.browser = 'Not a supported browser.';\n    return result;\n  }\n\n  return result;\n}\n\n/**\n * Checks if something is an object.\n *\n * @param {*} val The something you want to check.\n * @return true if val is an object, false otherwise.\n */\nfunction isObject(val) {\n  return Object.prototype.toString.call(val) === '[object Object]';\n}\n\n/**\n * Remove all empty objects and undefined values\n * from a nested object -- an enhanced and vanilla version\n * of Lodash's `compact`.\n */\nfunction compactObject(data) {\n  if (!isObject(data)) {\n    return data;\n  }\n\n  return Object.keys(data).reduce(function (accumulator, key) {\n    var isObj = isObject(data[key]);\n    var value = isObj ? compactObject(data[key]) : data[key];\n    var isEmptyObject = isObj && !Object.keys(value).length;\n    if (value === undefined || isEmptyObject) {\n      return accumulator;\n    }\n    return Object.assign(accumulator, _defineProperty({}, key, value));\n  }, {});\n}\n\n/* iterates the stats graph recursively. */\nfunction walkStats(stats, base, resultSet) {\n  if (!base || resultSet.has(base.id)) {\n    return;\n  }\n  resultSet.set(base.id, base);\n  Object.keys(base).forEach(function (name) {\n    if (name.endsWith('Id')) {\n      walkStats(stats, stats.get(base[name]), resultSet);\n    } else if (name.endsWith('Ids')) {\n      base[name].forEach(function (id) {\n        walkStats(stats, stats.get(id), resultSet);\n      });\n    }\n  });\n}\n\n/* filter getStats for a sender/receiver track. */\nfunction filterStats(result, track, outbound) {\n  var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';\n  var filteredResult = new Map();\n  if (track === null) {\n    return filteredResult;\n  }\n  var trackStats = [];\n  result.forEach(function (value) {\n    if (value.type === 'track' && value.trackIdentifier === track.id) {\n      trackStats.push(value);\n    }\n  });\n  trackStats.forEach(function (trackStat) {\n    result.forEach(function (stats) {\n      if (stats.type === streamStatsType && stats.trackId === trackStat.id) {\n        walkStats(result, stats, filteredResult);\n      }\n    });\n  });\n  return filteredResult;\n}\n\n},{}],16:[function(require,module,exports){\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n /* eslint-env node */\n'use strict';\n\nvar SDPUtils = require('sdp');\n\nfunction fixStatsType(stat) {\n  return {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  }[stat.type] || stat.type;\n}\n\nfunction writeMediaSection(transceiver, caps, type, stream, dtlsRole) {\n  var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);\n\n  // Map ICE parameters (ufrag, pwd) to SDP.\n  sdp += SDPUtils.writeIceParameters(\n      transceiver.iceGatherer.getLocalParameters());\n\n  // Map DTLS parameters to SDP.\n  sdp += SDPUtils.writeDtlsParameters(\n      transceiver.dtlsTransport.getLocalParameters(),\n      type === 'offer' ? 'actpass' : dtlsRole || 'active');\n\n  sdp += 'a=mid:' + transceiver.mid + '\\r\\n';\n\n  if (transceiver.rtpSender && transceiver.rtpReceiver) {\n    sdp += 'a=sendrecv\\r\\n';\n  } else if (transceiver.rtpSender) {\n    sdp += 'a=sendonly\\r\\n';\n  } else if (transceiver.rtpReceiver) {\n    sdp += 'a=recvonly\\r\\n';\n  } else {\n    sdp += 'a=inactive\\r\\n';\n  }\n\n  if (transceiver.rtpSender) {\n    var trackId = transceiver.rtpSender._initialTrackId ||\n        transceiver.rtpSender.track.id;\n    transceiver.rtpSender._initialTrackId = trackId;\n    // spec.\n    var msid = 'msid:' + (stream ? stream.id : '-') + ' ' +\n        trackId + '\\r\\n';\n    sdp += 'a=' + msid;\n    // for Chrome. Legacy should no longer be required.\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n        ' ' + msid;\n\n    // RTX\n    if (transceiver.sendEncodingParameters[0].rtx) {\n      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n          ' ' + msid;\n      sdp += 'a=ssrc-group:FID ' +\n          transceiver.sendEncodingParameters[0].ssrc + ' ' +\n          transceiver.sendEncodingParameters[0].rtx.ssrc +\n          '\\r\\n';\n    }\n  }\n  // FIXME: this should be written by writeRtpDescription.\n  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n      ' cname:' + SDPUtils.localCName + '\\r\\n';\n  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n        ' cname:' + SDPUtils.localCName + '\\r\\n';\n  }\n  return sdp;\n}\n\n// Edge does not like\n// 1) stun: filtered after 14393 unless ?transport=udp is present\n// 2) turn: that does not have all of turn:host:port?transport=udp\n// 3) turn: with ipv6 addresses\n// 4) turn: occurring muliple times\nfunction filterIceServers(iceServers, edgeVersion) {\n  var hasTurn = false;\n  iceServers = JSON.parse(JSON.stringify(iceServers));\n  return iceServers.filter(function(server) {\n    if (server && (server.urls || server.url)) {\n      var urls = server.urls || server.url;\n      if (server.url && !server.urls) {\n        console.warn('RTCIceServer.url is deprecated! Use urls instead.');\n      }\n      var isString = typeof urls === 'string';\n      if (isString) {\n        urls = [urls];\n      }\n      urls = urls.filter(function(url) {\n        var validTurn = url.indexOf('turn:') === 0 &&\n            url.indexOf('transport=udp') !== -1 &&\n            url.indexOf('turn:[') === -1 &&\n            !hasTurn;\n\n        if (validTurn) {\n          hasTurn = true;\n          return true;\n        }\n        return url.indexOf('stun:') === 0 && edgeVersion >= 14393 &&\n            url.indexOf('?transport=udp') === -1;\n      });\n\n      delete server.url;\n      server.urls = isString ? urls[0] : urls;\n      return !!urls.length;\n    }\n  });\n}\n\n// Determines the intersection of local and remote capabilities.\nfunction getCommonCapabilities(localCapabilities, remoteCapabilities) {\n  var commonCapabilities = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: []\n  };\n\n  var findCodecByPayloadType = function(pt, codecs) {\n    pt = parseInt(pt, 10);\n    for (var i = 0; i < codecs.length; i++) {\n      if (codecs[i].payloadType === pt ||\n          codecs[i].preferredPayloadType === pt) {\n        return codecs[i];\n      }\n    }\n  };\n\n  var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {\n    var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);\n    var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);\n    return lCodec && rCodec &&\n        lCodec.name.toLowerCase() === rCodec.name.toLowerCase();\n  };\n\n  localCapabilities.codecs.forEach(function(lCodec) {\n    for (var i = 0; i < remoteCapabilities.codecs.length; i++) {\n      var rCodec = remoteCapabilities.codecs[i];\n      if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&\n          lCodec.clockRate === rCodec.clockRate) {\n        if (lCodec.name.toLowerCase() === 'rtx' &&\n            lCodec.parameters && rCodec.parameters.apt) {\n          // for RTX we need to find the local rtx that has a apt\n          // which points to the same local codec as the remote one.\n          if (!rtxCapabilityMatches(lCodec, rCodec,\n              localCapabilities.codecs, remoteCapabilities.codecs)) {\n            continue;\n          }\n        }\n        rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy\n        // number of channels is the highest common number of channels\n        rCodec.numChannels = Math.min(lCodec.numChannels,\n            rCodec.numChannels);\n        // push rCodec so we reply with offerer payload type\n        commonCapabilities.codecs.push(rCodec);\n\n        // determine common feedback mechanisms\n        rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {\n          for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {\n            if (lCodec.rtcpFeedback[j].type === fb.type &&\n                lCodec.rtcpFeedback[j].parameter === fb.parameter) {\n              return true;\n            }\n          }\n          return false;\n        });\n        // FIXME: also need to determine .parameters\n        //  see https://github.com/openpeer/ortc/issues/569\n        break;\n      }\n    }\n  });\n\n  localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {\n    for (var i = 0; i < remoteCapabilities.headerExtensions.length;\n         i++) {\n      var rHeaderExtension = remoteCapabilities.headerExtensions[i];\n      if (lHeaderExtension.uri === rHeaderExtension.uri) {\n        commonCapabilities.headerExtensions.push(rHeaderExtension);\n        break;\n      }\n    }\n  });\n\n  // FIXME: fecMechanisms\n  return commonCapabilities;\n}\n\n// is action=setLocalDescription with type allowed in signalingState\nfunction isActionAllowedInSignalingState(action, type, signalingState) {\n  return {\n    offer: {\n      setLocalDescription: ['stable', 'have-local-offer'],\n      setRemoteDescription: ['stable', 'have-remote-offer']\n    },\n    answer: {\n      setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],\n      setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']\n    }\n  }[type][action].indexOf(signalingState) !== -1;\n}\n\nfunction maybeAddCandidate(iceTransport, candidate) {\n  // Edge's internal representation adds some fields therefore\n  // not all fieldѕ are taken into account.\n  var alreadyAdded = iceTransport.getRemoteCandidates()\n      .find(function(remoteCandidate) {\n        return candidate.foundation === remoteCandidate.foundation &&\n            candidate.ip === remoteCandidate.ip &&\n            candidate.port === remoteCandidate.port &&\n            candidate.priority === remoteCandidate.priority &&\n            candidate.protocol === remoteCandidate.protocol &&\n            candidate.type === remoteCandidate.type;\n      });\n  if (!alreadyAdded) {\n    iceTransport.addRemoteCandidate(candidate);\n  }\n  return !alreadyAdded;\n}\n\n\nfunction makeError(name, description) {\n  var e = new Error(description);\n  e.name = name;\n  // legacy error codes from https://heycam.github.io/webidl/#idl-DOMException-error-names\n  e.code = {\n    NotSupportedError: 9,\n    InvalidStateError: 11,\n    InvalidAccessError: 15,\n    TypeError: undefined,\n    OperationError: undefined\n  }[name];\n  return e;\n}\n\nmodule.exports = function(window, edgeVersion) {\n  // https://w3c.github.io/mediacapture-main/#mediastream\n  // Helper function to add the track to the stream and\n  // dispatch the event ourselves.\n  function addTrackToStreamAndFireEvent(track, stream) {\n    stream.addTrack(track);\n    stream.dispatchEvent(new window.MediaStreamTrackEvent('addtrack',\n        {track: track}));\n  }\n\n  function removeTrackFromStreamAndFireEvent(track, stream) {\n    stream.removeTrack(track);\n    stream.dispatchEvent(new window.MediaStreamTrackEvent('removetrack',\n        {track: track}));\n  }\n\n  function fireAddTrack(pc, track, receiver, streams) {\n    var trackEvent = new Event('track');\n    trackEvent.track = track;\n    trackEvent.receiver = receiver;\n    trackEvent.transceiver = {receiver: receiver};\n    trackEvent.streams = streams;\n    window.setTimeout(function() {\n      pc._dispatchEvent('track', trackEvent);\n    });\n  }\n\n  var RTCPeerConnection = function(config) {\n    var pc = this;\n\n    var _eventTarget = document.createDocumentFragment();\n    ['addEventListener', 'removeEventListener', 'dispatchEvent']\n        .forEach(function(method) {\n          pc[method] = _eventTarget[method].bind(_eventTarget);\n        });\n\n    this.canTrickleIceCandidates = null;\n\n    this.needNegotiation = false;\n\n    this.localStreams = [];\n    this.remoteStreams = [];\n\n    this._localDescription = null;\n    this._remoteDescription = null;\n\n    this.signalingState = 'stable';\n    this.iceConnectionState = 'new';\n    this.connectionState = 'new';\n    this.iceGatheringState = 'new';\n\n    config = JSON.parse(JSON.stringify(config || {}));\n\n    this.usingBundle = config.bundlePolicy === 'max-bundle';\n    if (config.rtcpMuxPolicy === 'negotiate') {\n      throw(makeError('NotSupportedError',\n          'rtcpMuxPolicy \\'negotiate\\' is not supported'));\n    } else if (!config.rtcpMuxPolicy) {\n      config.rtcpMuxPolicy = 'require';\n    }\n\n    switch (config.iceTransportPolicy) {\n      case 'all':\n      case 'relay':\n        break;\n      default:\n        config.iceTransportPolicy = 'all';\n        break;\n    }\n\n    switch (config.bundlePolicy) {\n      case 'balanced':\n      case 'max-compat':\n      case 'max-bundle':\n        break;\n      default:\n        config.bundlePolicy = 'balanced';\n        break;\n    }\n\n    config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);\n\n    this._iceGatherers = [];\n    if (config.iceCandidatePoolSize) {\n      for (var i = config.iceCandidatePoolSize; i > 0; i--) {\n        this._iceGatherers.push(new window.RTCIceGatherer({\n          iceServers: config.iceServers,\n          gatherPolicy: config.iceTransportPolicy\n        }));\n      }\n    } else {\n      config.iceCandidatePoolSize = 0;\n    }\n\n    this._config = config;\n\n    // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...\n    // everything that is needed to describe a SDP m-line.\n    this.transceivers = [];\n\n    this._sdpSessionId = SDPUtils.generateSessionId();\n    this._sdpSessionVersion = 0;\n\n    this._dtlsRole = undefined; // role for a=setup to use in answers.\n\n    this._isClosed = false;\n  };\n\n  Object.defineProperty(RTCPeerConnection.prototype, 'localDescription', {\n    configurable: true,\n    get: function() {\n      return this._localDescription;\n    }\n  });\n  Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', {\n    configurable: true,\n    get: function() {\n      return this._remoteDescription;\n    }\n  });\n\n  // set up event handlers on prototype\n  RTCPeerConnection.prototype.onicecandidate = null;\n  RTCPeerConnection.prototype.onaddstream = null;\n  RTCPeerConnection.prototype.ontrack = null;\n  RTCPeerConnection.prototype.onremovestream = null;\n  RTCPeerConnection.prototype.onsignalingstatechange = null;\n  RTCPeerConnection.prototype.oniceconnectionstatechange = null;\n  RTCPeerConnection.prototype.onconnectionstatechange = null;\n  RTCPeerConnection.prototype.onicegatheringstatechange = null;\n  RTCPeerConnection.prototype.onnegotiationneeded = null;\n  RTCPeerConnection.prototype.ondatachannel = null;\n\n  RTCPeerConnection.prototype._dispatchEvent = function(name, event) {\n    if (this._isClosed) {\n      return;\n    }\n    this.dispatchEvent(event);\n    if (typeof this['on' + name] === 'function') {\n      this['on' + name](event);\n    }\n  };\n\n  RTCPeerConnection.prototype._emitGatheringStateChange = function() {\n    var event = new Event('icegatheringstatechange');\n    this._dispatchEvent('icegatheringstatechange', event);\n  };\n\n  RTCPeerConnection.prototype.getConfiguration = function() {\n    return this._config;\n  };\n\n  RTCPeerConnection.prototype.getLocalStreams = function() {\n    return this.localStreams;\n  };\n\n  RTCPeerConnection.prototype.getRemoteStreams = function() {\n    return this.remoteStreams;\n  };\n\n  // internal helper to create a transceiver object.\n  // (which is not yet the same as the WebRTC 1.0 transceiver)\n  RTCPeerConnection.prototype._createTransceiver = function(kind, doNotAdd) {\n    var hasBundleTransport = this.transceivers.length > 0;\n    var transceiver = {\n      track: null,\n      iceGatherer: null,\n      iceTransport: null,\n      dtlsTransport: null,\n      localCapabilities: null,\n      remoteCapabilities: null,\n      rtpSender: null,\n      rtpReceiver: null,\n      kind: kind,\n      mid: null,\n      sendEncodingParameters: null,\n      recvEncodingParameters: null,\n      stream: null,\n      associatedRemoteMediaStreams: [],\n      wantReceive: true\n    };\n    if (this.usingBundle && hasBundleTransport) {\n      transceiver.iceTransport = this.transceivers[0].iceTransport;\n      transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;\n    } else {\n      var transports = this._createIceAndDtlsTransports();\n      transceiver.iceTransport = transports.iceTransport;\n      transceiver.dtlsTransport = transports.dtlsTransport;\n    }\n    if (!doNotAdd) {\n      this.transceivers.push(transceiver);\n    }\n    return transceiver;\n  };\n\n  RTCPeerConnection.prototype.addTrack = function(track, stream) {\n    if (this._isClosed) {\n      throw makeError('InvalidStateError',\n          'Attempted to call addTrack on a closed peerconnection.');\n    }\n\n    var alreadyExists = this.transceivers.find(function(s) {\n      return s.track === track;\n    });\n\n    if (alreadyExists) {\n      throw makeError('InvalidAccessError', 'Track already exists.');\n    }\n\n    var transceiver;\n    for (var i = 0; i < this.transceivers.length; i++) {\n      if (!this.transceivers[i].track &&\n          this.transceivers[i].kind === track.kind) {\n        transceiver = this.transceivers[i];\n      }\n    }\n    if (!transceiver) {\n      transceiver = this._createTransceiver(track.kind);\n    }\n\n    this._maybeFireNegotiationNeeded();\n\n    if (this.localStreams.indexOf(stream) === -1) {\n      this.localStreams.push(stream);\n    }\n\n    transceiver.track = track;\n    transceiver.stream = stream;\n    transceiver.rtpSender = new window.RTCRtpSender(track,\n        transceiver.dtlsTransport);\n    return transceiver.rtpSender;\n  };\n\n  RTCPeerConnection.prototype.addStream = function(stream) {\n    var pc = this;\n    if (edgeVersion >= 15025) {\n      stream.getTracks().forEach(function(track) {\n        pc.addTrack(track, stream);\n      });\n    } else {\n      // Clone is necessary for local demos mostly, attaching directly\n      // to two different senders does not work (build 10547).\n      // Fixed in 15025 (or earlier)\n      var clonedStream = stream.clone();\n      stream.getTracks().forEach(function(track, idx) {\n        var clonedTrack = clonedStream.getTracks()[idx];\n        track.addEventListener('enabled', function(event) {\n          clonedTrack.enabled = event.enabled;\n        });\n      });\n      clonedStream.getTracks().forEach(function(track) {\n        pc.addTrack(track, clonedStream);\n      });\n    }\n  };\n\n  RTCPeerConnection.prototype.removeTrack = function(sender) {\n    if (this._isClosed) {\n      throw makeError('InvalidStateError',\n          'Attempted to call removeTrack on a closed peerconnection.');\n    }\n\n    if (!(sender instanceof window.RTCRtpSender)) {\n      throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +\n          'does not implement interface RTCRtpSender.');\n    }\n\n    var transceiver = this.transceivers.find(function(t) {\n      return t.rtpSender === sender;\n    });\n\n    if (!transceiver) {\n      throw makeError('InvalidAccessError',\n          'Sender was not created by this connection.');\n    }\n    var stream = transceiver.stream;\n\n    transceiver.rtpSender.stop();\n    transceiver.rtpSender = null;\n    transceiver.track = null;\n    transceiver.stream = null;\n\n    // remove the stream from the set of local streams\n    var localStreams = this.transceivers.map(function(t) {\n      return t.stream;\n    });\n    if (localStreams.indexOf(stream) === -1 &&\n        this.localStreams.indexOf(stream) > -1) {\n      this.localStreams.splice(this.localStreams.indexOf(stream), 1);\n    }\n\n    this._maybeFireNegotiationNeeded();\n  };\n\n  RTCPeerConnection.prototype.removeStream = function(stream) {\n    var pc = this;\n    stream.getTracks().forEach(function(track) {\n      var sender = pc.getSenders().find(function(s) {\n        return s.track === track;\n      });\n      if (sender) {\n        pc.removeTrack(sender);\n      }\n    });\n  };\n\n  RTCPeerConnection.prototype.getSenders = function() {\n    return this.transceivers.filter(function(transceiver) {\n      return !!transceiver.rtpSender;\n    })\n    .map(function(transceiver) {\n      return transceiver.rtpSender;\n    });\n  };\n\n  RTCPeerConnection.prototype.getReceivers = function() {\n    return this.transceivers.filter(function(transceiver) {\n      return !!transceiver.rtpReceiver;\n    })\n    .map(function(transceiver) {\n      return transceiver.rtpReceiver;\n    });\n  };\n\n\n  RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,\n      usingBundle) {\n    var pc = this;\n    if (usingBundle && sdpMLineIndex > 0) {\n      return this.transceivers[0].iceGatherer;\n    } else if (this._iceGatherers.length) {\n      return this._iceGatherers.shift();\n    }\n    var iceGatherer = new window.RTCIceGatherer({\n      iceServers: this._config.iceServers,\n      gatherPolicy: this._config.iceTransportPolicy\n    });\n    Object.defineProperty(iceGatherer, 'state',\n        {value: 'new', writable: true}\n    );\n\n    this.transceivers[sdpMLineIndex].bufferedCandidateEvents = [];\n    this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {\n      var end = !event.candidate || Object.keys(event.candidate).length === 0;\n      // polyfill since RTCIceGatherer.state is not implemented in\n      // Edge 10547 yet.\n      iceGatherer.state = end ? 'completed' : 'gathering';\n      if (pc.transceivers[sdpMLineIndex].bufferedCandidateEvents !== null) {\n        pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);\n      }\n    };\n    iceGatherer.addEventListener('localcandidate',\n      this.transceivers[sdpMLineIndex].bufferCandidates);\n    return iceGatherer;\n  };\n\n  // start gathering from an RTCIceGatherer.\n  RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {\n    var pc = this;\n    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;\n    if (iceGatherer.onlocalcandidate) {\n      return;\n    }\n    var bufferedCandidateEvents =\n      this.transceivers[sdpMLineIndex].bufferedCandidateEvents;\n    this.transceivers[sdpMLineIndex].bufferedCandidateEvents = null;\n    iceGatherer.removeEventListener('localcandidate',\n      this.transceivers[sdpMLineIndex].bufferCandidates);\n    iceGatherer.onlocalcandidate = function(evt) {\n      if (pc.usingBundle && sdpMLineIndex > 0) {\n        // if we know that we use bundle we can drop candidates with\n        // ѕdpMLineIndex > 0. If we don't do this then our state gets\n        // confused since we dispose the extra ice gatherer.\n        return;\n      }\n      var event = new Event('icecandidate');\n      event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};\n\n      var cand = evt.candidate;\n      // Edge emits an empty object for RTCIceCandidateComplete‥\n      var end = !cand || Object.keys(cand).length === 0;\n      if (end) {\n        // polyfill since RTCIceGatherer.state is not implemented in\n        // Edge 10547 yet.\n        if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {\n          iceGatherer.state = 'completed';\n        }\n      } else {\n        if (iceGatherer.state === 'new') {\n          iceGatherer.state = 'gathering';\n        }\n        // RTCIceCandidate doesn't have a component, needs to be added\n        cand.component = 1;\n        // also the usernameFragment. TODO: update SDP to take both variants.\n        cand.ufrag = iceGatherer.getLocalParameters().usernameFragment;\n\n        var serializedCandidate = SDPUtils.writeCandidate(cand);\n        event.candidate = Object.assign(event.candidate,\n            SDPUtils.parseCandidate(serializedCandidate));\n\n        event.candidate.candidate = serializedCandidate;\n        event.candidate.toJSON = function() {\n          return {\n            candidate: event.candidate.candidate,\n            sdpMid: event.candidate.sdpMid,\n            sdpMLineIndex: event.candidate.sdpMLineIndex,\n            usernameFragment: event.candidate.usernameFragment\n          };\n        };\n      }\n\n      // update local description.\n      var sections = SDPUtils.getMediaSections(pc._localDescription.sdp);\n      if (!end) {\n        sections[event.candidate.sdpMLineIndex] +=\n            'a=' + event.candidate.candidate + '\\r\\n';\n      } else {\n        sections[event.candidate.sdpMLineIndex] +=\n            'a=end-of-candidates\\r\\n';\n      }\n      pc._localDescription.sdp =\n          SDPUtils.getDescription(pc._localDescription.sdp) +\n          sections.join('');\n      var complete = pc.transceivers.every(function(transceiver) {\n        return transceiver.iceGatherer &&\n            transceiver.iceGatherer.state === 'completed';\n      });\n\n      if (pc.iceGatheringState !== 'gathering') {\n        pc.iceGatheringState = 'gathering';\n        pc._emitGatheringStateChange();\n      }\n\n      // Emit candidate. Also emit null candidate when all gatherers are\n      // complete.\n      if (!end) {\n        pc._dispatchEvent('icecandidate', event);\n      }\n      if (complete) {\n        pc._dispatchEvent('icecandidate', new Event('icecandidate'));\n        pc.iceGatheringState = 'complete';\n        pc._emitGatheringStateChange();\n      }\n    };\n\n    // emit already gathered candidates.\n    window.setTimeout(function() {\n      bufferedCandidateEvents.forEach(function(e) {\n        iceGatherer.onlocalcandidate(e);\n      });\n    }, 0);\n  };\n\n  // Create ICE transport and DTLS transport.\n  RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {\n    var pc = this;\n    var iceTransport = new window.RTCIceTransport(null);\n    iceTransport.onicestatechange = function() {\n      pc._updateIceConnectionState();\n      pc._updateConnectionState();\n    };\n\n    var dtlsTransport = new window.RTCDtlsTransport(iceTransport);\n    dtlsTransport.ondtlsstatechange = function() {\n      pc._updateConnectionState();\n    };\n    dtlsTransport.onerror = function() {\n      // onerror does not set state to failed by itself.\n      Object.defineProperty(dtlsTransport, 'state',\n          {value: 'failed', writable: true});\n      pc._updateConnectionState();\n    };\n\n    return {\n      iceTransport: iceTransport,\n      dtlsTransport: dtlsTransport\n    };\n  };\n\n  // Destroy ICE gatherer, ICE transport and DTLS transport.\n  // Without triggering the callbacks.\n  RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(\n      sdpMLineIndex) {\n    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;\n    if (iceGatherer) {\n      delete iceGatherer.onlocalcandidate;\n      delete this.transceivers[sdpMLineIndex].iceGatherer;\n    }\n    var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;\n    if (iceTransport) {\n      delete iceTransport.onicestatechange;\n      delete this.transceivers[sdpMLineIndex].iceTransport;\n    }\n    var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;\n    if (dtlsTransport) {\n      delete dtlsTransport.ondtlsstatechange;\n      delete dtlsTransport.onerror;\n      delete this.transceivers[sdpMLineIndex].dtlsTransport;\n    }\n  };\n\n  // Start the RTP Sender and Receiver for a transceiver.\n  RTCPeerConnection.prototype._transceive = function(transceiver,\n      send, recv) {\n    var params = getCommonCapabilities(transceiver.localCapabilities,\n        transceiver.remoteCapabilities);\n    if (send && transceiver.rtpSender) {\n      params.encodings = transceiver.sendEncodingParameters;\n      params.rtcp = {\n        cname: SDPUtils.localCName,\n        compound: transceiver.rtcpParameters.compound\n      };\n      if (transceiver.recvEncodingParameters.length) {\n        params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;\n      }\n      transceiver.rtpSender.send(params);\n    }\n    if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {\n      // remove RTX field in Edge 14942\n      if (transceiver.kind === 'video'\n          && transceiver.recvEncodingParameters\n          && edgeVersion < 15019) {\n        transceiver.recvEncodingParameters.forEach(function(p) {\n          delete p.rtx;\n        });\n      }\n      if (transceiver.recvEncodingParameters.length) {\n        params.encodings = transceiver.recvEncodingParameters;\n      } else {\n        params.encodings = [{}];\n      }\n      params.rtcp = {\n        compound: transceiver.rtcpParameters.compound\n      };\n      if (transceiver.rtcpParameters.cname) {\n        params.rtcp.cname = transceiver.rtcpParameters.cname;\n      }\n      if (transceiver.sendEncodingParameters.length) {\n        params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;\n      }\n      transceiver.rtpReceiver.receive(params);\n    }\n  };\n\n  RTCPeerConnection.prototype.setLocalDescription = function(description) {\n    var pc = this;\n\n    // Note: pranswer is not supported.\n    if (['offer', 'answer'].indexOf(description.type) === -1) {\n      return Promise.reject(makeError('TypeError',\n          'Unsupported type \"' + description.type + '\"'));\n    }\n\n    if (!isActionAllowedInSignalingState('setLocalDescription',\n        description.type, pc.signalingState) || pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not set local ' + description.type +\n          ' in state ' + pc.signalingState));\n    }\n\n    var sections;\n    var sessionpart;\n    if (description.type === 'offer') {\n      // VERY limited support for SDP munging. Limited to:\n      // * changing the order of codecs\n      sections = SDPUtils.splitSections(description.sdp);\n      sessionpart = sections.shift();\n      sections.forEach(function(mediaSection, sdpMLineIndex) {\n        var caps = SDPUtils.parseRtpParameters(mediaSection);\n        pc.transceivers[sdpMLineIndex].localCapabilities = caps;\n      });\n\n      pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n        pc._gather(transceiver.mid, sdpMLineIndex);\n      });\n    } else if (description.type === 'answer') {\n      sections = SDPUtils.splitSections(pc._remoteDescription.sdp);\n      sessionpart = sections.shift();\n      var isIceLite = SDPUtils.matchPrefix(sessionpart,\n          'a=ice-lite').length > 0;\n      sections.forEach(function(mediaSection, sdpMLineIndex) {\n        var transceiver = pc.transceivers[sdpMLineIndex];\n        var iceGatherer = transceiver.iceGatherer;\n        var iceTransport = transceiver.iceTransport;\n        var dtlsTransport = transceiver.dtlsTransport;\n        var localCapabilities = transceiver.localCapabilities;\n        var remoteCapabilities = transceiver.remoteCapabilities;\n\n        // treat bundle-only as not-rejected.\n        var rejected = SDPUtils.isRejected(mediaSection) &&\n            SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;\n\n        if (!rejected && !transceiver.rejected) {\n          var remoteIceParameters = SDPUtils.getIceParameters(\n              mediaSection, sessionpart);\n          var remoteDtlsParameters = SDPUtils.getDtlsParameters(\n              mediaSection, sessionpart);\n          if (isIceLite) {\n            remoteDtlsParameters.role = 'server';\n          }\n\n          if (!pc.usingBundle || sdpMLineIndex === 0) {\n            pc._gather(transceiver.mid, sdpMLineIndex);\n            if (iceTransport.state === 'new') {\n              iceTransport.start(iceGatherer, remoteIceParameters,\n                  isIceLite ? 'controlling' : 'controlled');\n            }\n            if (dtlsTransport.state === 'new') {\n              dtlsTransport.start(remoteDtlsParameters);\n            }\n          }\n\n          // Calculate intersection of capabilities.\n          var params = getCommonCapabilities(localCapabilities,\n              remoteCapabilities);\n\n          // Start the RTCRtpSender. The RTCRtpReceiver for this\n          // transceiver has already been started in setRemoteDescription.\n          pc._transceive(transceiver,\n              params.codecs.length > 0,\n              false);\n        }\n      });\n    }\n\n    pc._localDescription = {\n      type: description.type,\n      sdp: description.sdp\n    };\n    if (description.type === 'offer') {\n      pc._updateSignalingState('have-local-offer');\n    } else {\n      pc._updateSignalingState('stable');\n    }\n\n    return Promise.resolve();\n  };\n\n  RTCPeerConnection.prototype.setRemoteDescription = function(description) {\n    var pc = this;\n\n    // Note: pranswer is not supported.\n    if (['offer', 'answer'].indexOf(description.type) === -1) {\n      return Promise.reject(makeError('TypeError',\n          'Unsupported type \"' + description.type + '\"'));\n    }\n\n    if (!isActionAllowedInSignalingState('setRemoteDescription',\n        description.type, pc.signalingState) || pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not set remote ' + description.type +\n          ' in state ' + pc.signalingState));\n    }\n\n    var streams = {};\n    pc.remoteStreams.forEach(function(stream) {\n      streams[stream.id] = stream;\n    });\n    var receiverList = [];\n    var sections = SDPUtils.splitSections(description.sdp);\n    var sessionpart = sections.shift();\n    var isIceLite = SDPUtils.matchPrefix(sessionpart,\n        'a=ice-lite').length > 0;\n    var usingBundle = SDPUtils.matchPrefix(sessionpart,\n        'a=group:BUNDLE ').length > 0;\n    pc.usingBundle = usingBundle;\n    var iceOptions = SDPUtils.matchPrefix(sessionpart,\n        'a=ice-options:')[0];\n    if (iceOptions) {\n      pc.canTrickleIceCandidates = iceOptions.substr(14).split(' ')\n          .indexOf('trickle') >= 0;\n    } else {\n      pc.canTrickleIceCandidates = false;\n    }\n\n    sections.forEach(function(mediaSection, sdpMLineIndex) {\n      var lines = SDPUtils.splitLines(mediaSection);\n      var kind = SDPUtils.getKind(mediaSection);\n      // treat bundle-only as not-rejected.\n      var rejected = SDPUtils.isRejected(mediaSection) &&\n          SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;\n      var protocol = lines[0].substr(2).split(' ')[2];\n\n      var direction = SDPUtils.getDirection(mediaSection, sessionpart);\n      var remoteMsid = SDPUtils.parseMsid(mediaSection);\n\n      var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();\n\n      // Reject datachannels which are not implemented yet.\n      if (rejected || (kind === 'application' && (protocol === 'DTLS/SCTP' ||\n          protocol === 'UDP/DTLS/SCTP'))) {\n        // TODO: this is dangerous in the case where a non-rejected m-line\n        //     becomes rejected.\n        pc.transceivers[sdpMLineIndex] = {\n          mid: mid,\n          kind: kind,\n          protocol: protocol,\n          rejected: true\n        };\n        return;\n      }\n\n      if (!rejected && pc.transceivers[sdpMLineIndex] &&\n          pc.transceivers[sdpMLineIndex].rejected) {\n        // recycle a rejected transceiver.\n        pc.transceivers[sdpMLineIndex] = pc._createTransceiver(kind, true);\n      }\n\n      var transceiver;\n      var iceGatherer;\n      var iceTransport;\n      var dtlsTransport;\n      var rtpReceiver;\n      var sendEncodingParameters;\n      var recvEncodingParameters;\n      var localCapabilities;\n\n      var track;\n      // FIXME: ensure the mediaSection has rtcp-mux set.\n      var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);\n      var remoteIceParameters;\n      var remoteDtlsParameters;\n      if (!rejected) {\n        remoteIceParameters = SDPUtils.getIceParameters(mediaSection,\n            sessionpart);\n        remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,\n            sessionpart);\n        remoteDtlsParameters.role = 'client';\n      }\n      recvEncodingParameters =\n          SDPUtils.parseRtpEncodingParameters(mediaSection);\n\n      var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);\n\n      var isComplete = SDPUtils.matchPrefix(mediaSection,\n          'a=end-of-candidates', sessionpart).length > 0;\n      var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')\n          .map(function(cand) {\n            return SDPUtils.parseCandidate(cand);\n          })\n          .filter(function(cand) {\n            return cand.component === 1;\n          });\n\n      // Check if we can use BUNDLE and dispose transports.\n      if ((description.type === 'offer' || description.type === 'answer') &&\n          !rejected && usingBundle && sdpMLineIndex > 0 &&\n          pc.transceivers[sdpMLineIndex]) {\n        pc._disposeIceAndDtlsTransports(sdpMLineIndex);\n        pc.transceivers[sdpMLineIndex].iceGatherer =\n            pc.transceivers[0].iceGatherer;\n        pc.transceivers[sdpMLineIndex].iceTransport =\n            pc.transceivers[0].iceTransport;\n        pc.transceivers[sdpMLineIndex].dtlsTransport =\n            pc.transceivers[0].dtlsTransport;\n        if (pc.transceivers[sdpMLineIndex].rtpSender) {\n          pc.transceivers[sdpMLineIndex].rtpSender.setTransport(\n              pc.transceivers[0].dtlsTransport);\n        }\n        if (pc.transceivers[sdpMLineIndex].rtpReceiver) {\n          pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(\n              pc.transceivers[0].dtlsTransport);\n        }\n      }\n      if (description.type === 'offer' && !rejected) {\n        transceiver = pc.transceivers[sdpMLineIndex] ||\n            pc._createTransceiver(kind);\n        transceiver.mid = mid;\n\n        if (!transceiver.iceGatherer) {\n          transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,\n              usingBundle);\n        }\n\n        if (cands.length && transceiver.iceTransport.state === 'new') {\n          if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {\n            transceiver.iceTransport.setRemoteCandidates(cands);\n          } else {\n            cands.forEach(function(candidate) {\n              maybeAddCandidate(transceiver.iceTransport, candidate);\n            });\n          }\n        }\n\n        localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);\n\n        // filter RTX until additional stuff needed for RTX is implemented\n        // in adapter.js\n        if (edgeVersion < 15019) {\n          localCapabilities.codecs = localCapabilities.codecs.filter(\n              function(codec) {\n                return codec.name !== 'rtx';\n              });\n        }\n\n        sendEncodingParameters = transceiver.sendEncodingParameters || [{\n          ssrc: (2 * sdpMLineIndex + 2) * 1001\n        }];\n\n        // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams\n        var isNewTrack = false;\n        if (direction === 'sendrecv' || direction === 'sendonly') {\n          isNewTrack = !transceiver.rtpReceiver;\n          rtpReceiver = transceiver.rtpReceiver ||\n              new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);\n\n          if (isNewTrack) {\n            var stream;\n            track = rtpReceiver.track;\n            // FIXME: does not work with Plan B.\n            if (remoteMsid && remoteMsid.stream === '-') {\n              // no-op. a stream id of '-' means: no associated stream.\n            } else if (remoteMsid) {\n              if (!streams[remoteMsid.stream]) {\n                streams[remoteMsid.stream] = new window.MediaStream();\n                Object.defineProperty(streams[remoteMsid.stream], 'id', {\n                  get: function() {\n                    return remoteMsid.stream;\n                  }\n                });\n              }\n              Object.defineProperty(track, 'id', {\n                get: function() {\n                  return remoteMsid.track;\n                }\n              });\n              stream = streams[remoteMsid.stream];\n            } else {\n              if (!streams.default) {\n                streams.default = new window.MediaStream();\n              }\n              stream = streams.default;\n            }\n            if (stream) {\n              addTrackToStreamAndFireEvent(track, stream);\n              transceiver.associatedRemoteMediaStreams.push(stream);\n            }\n            receiverList.push([track, rtpReceiver, stream]);\n          }\n        } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {\n          transceiver.associatedRemoteMediaStreams.forEach(function(s) {\n            var nativeTrack = s.getTracks().find(function(t) {\n              return t.id === transceiver.rtpReceiver.track.id;\n            });\n            if (nativeTrack) {\n              removeTrackFromStreamAndFireEvent(nativeTrack, s);\n            }\n          });\n          transceiver.associatedRemoteMediaStreams = [];\n        }\n\n        transceiver.localCapabilities = localCapabilities;\n        transceiver.remoteCapabilities = remoteCapabilities;\n        transceiver.rtpReceiver = rtpReceiver;\n        transceiver.rtcpParameters = rtcpParameters;\n        transceiver.sendEncodingParameters = sendEncodingParameters;\n        transceiver.recvEncodingParameters = recvEncodingParameters;\n\n        // Start the RTCRtpReceiver now. The RTPSender is started in\n        // setLocalDescription.\n        pc._transceive(pc.transceivers[sdpMLineIndex],\n            false,\n            isNewTrack);\n      } else if (description.type === 'answer' && !rejected) {\n        transceiver = pc.transceivers[sdpMLineIndex];\n        iceGatherer = transceiver.iceGatherer;\n        iceTransport = transceiver.iceTransport;\n        dtlsTransport = transceiver.dtlsTransport;\n        rtpReceiver = transceiver.rtpReceiver;\n        sendEncodingParameters = transceiver.sendEncodingParameters;\n        localCapabilities = transceiver.localCapabilities;\n\n        pc.transceivers[sdpMLineIndex].recvEncodingParameters =\n            recvEncodingParameters;\n        pc.transceivers[sdpMLineIndex].remoteCapabilities =\n            remoteCapabilities;\n        pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;\n\n        if (cands.length && iceTransport.state === 'new') {\n          if ((isIceLite || isComplete) &&\n              (!usingBundle || sdpMLineIndex === 0)) {\n            iceTransport.setRemoteCandidates(cands);\n          } else {\n            cands.forEach(function(candidate) {\n              maybeAddCandidate(transceiver.iceTransport, candidate);\n            });\n          }\n        }\n\n        if (!usingBundle || sdpMLineIndex === 0) {\n          if (iceTransport.state === 'new') {\n            iceTransport.start(iceGatherer, remoteIceParameters,\n                'controlling');\n          }\n          if (dtlsTransport.state === 'new') {\n            dtlsTransport.start(remoteDtlsParameters);\n          }\n        }\n\n        // If the offer contained RTX but the answer did not,\n        // remove RTX from sendEncodingParameters.\n        var commonCapabilities = getCommonCapabilities(\n          transceiver.localCapabilities,\n          transceiver.remoteCapabilities);\n\n        var hasRtx = commonCapabilities.codecs.filter(function(c) {\n          return c.name.toLowerCase() === 'rtx';\n        }).length;\n        if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {\n          delete transceiver.sendEncodingParameters[0].rtx;\n        }\n\n        pc._transceive(transceiver,\n            direction === 'sendrecv' || direction === 'recvonly',\n            direction === 'sendrecv' || direction === 'sendonly');\n\n        // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams\n        if (rtpReceiver &&\n            (direction === 'sendrecv' || direction === 'sendonly')) {\n          track = rtpReceiver.track;\n          if (remoteMsid) {\n            if (!streams[remoteMsid.stream]) {\n              streams[remoteMsid.stream] = new window.MediaStream();\n            }\n            addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);\n            receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);\n          } else {\n            if (!streams.default) {\n              streams.default = new window.MediaStream();\n            }\n            addTrackToStreamAndFireEvent(track, streams.default);\n            receiverList.push([track, rtpReceiver, streams.default]);\n          }\n        } else {\n          // FIXME: actually the receiver should be created later.\n          delete transceiver.rtpReceiver;\n        }\n      }\n    });\n\n    if (pc._dtlsRole === undefined) {\n      pc._dtlsRole = description.type === 'offer' ? 'active' : 'passive';\n    }\n\n    pc._remoteDescription = {\n      type: description.type,\n      sdp: description.sdp\n    };\n    if (description.type === 'offer') {\n      pc._updateSignalingState('have-remote-offer');\n    } else {\n      pc._updateSignalingState('stable');\n    }\n    Object.keys(streams).forEach(function(sid) {\n      var stream = streams[sid];\n      if (stream.getTracks().length) {\n        if (pc.remoteStreams.indexOf(stream) === -1) {\n          pc.remoteStreams.push(stream);\n          var event = new Event('addstream');\n          event.stream = stream;\n          window.setTimeout(function() {\n            pc._dispatchEvent('addstream', event);\n          });\n        }\n\n        receiverList.forEach(function(item) {\n          var track = item[0];\n          var receiver = item[1];\n          if (stream.id !== item[2].id) {\n            return;\n          }\n          fireAddTrack(pc, track, receiver, [stream]);\n        });\n      }\n    });\n    receiverList.forEach(function(item) {\n      if (item[2]) {\n        return;\n      }\n      fireAddTrack(pc, item[0], item[1], []);\n    });\n\n    // check whether addIceCandidate({}) was called within four seconds after\n    // setRemoteDescription.\n    window.setTimeout(function() {\n      if (!(pc && pc.transceivers)) {\n        return;\n      }\n      pc.transceivers.forEach(function(transceiver) {\n        if (transceiver.iceTransport &&\n            transceiver.iceTransport.state === 'new' &&\n            transceiver.iceTransport.getRemoteCandidates().length > 0) {\n          console.warn('Timeout for addRemoteCandidate. Consider sending ' +\n              'an end-of-candidates notification');\n          transceiver.iceTransport.addRemoteCandidate({});\n        }\n      });\n    }, 4000);\n\n    return Promise.resolve();\n  };\n\n  RTCPeerConnection.prototype.close = function() {\n    this.transceivers.forEach(function(transceiver) {\n      /* not yet\n      if (transceiver.iceGatherer) {\n        transceiver.iceGatherer.close();\n      }\n      */\n      if (transceiver.iceTransport) {\n        transceiver.iceTransport.stop();\n      }\n      if (transceiver.dtlsTransport) {\n        transceiver.dtlsTransport.stop();\n      }\n      if (transceiver.rtpSender) {\n        transceiver.rtpSender.stop();\n      }\n      if (transceiver.rtpReceiver) {\n        transceiver.rtpReceiver.stop();\n      }\n    });\n    // FIXME: clean up tracks, local streams, remote streams, etc\n    this._isClosed = true;\n    this._updateSignalingState('closed');\n  };\n\n  // Update the signaling state.\n  RTCPeerConnection.prototype._updateSignalingState = function(newState) {\n    this.signalingState = newState;\n    var event = new Event('signalingstatechange');\n    this._dispatchEvent('signalingstatechange', event);\n  };\n\n  // Determine whether to fire the negotiationneeded event.\n  RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {\n    var pc = this;\n    if (this.signalingState !== 'stable' || this.needNegotiation === true) {\n      return;\n    }\n    this.needNegotiation = true;\n    window.setTimeout(function() {\n      if (pc.needNegotiation) {\n        pc.needNegotiation = false;\n        var event = new Event('negotiationneeded');\n        pc._dispatchEvent('negotiationneeded', event);\n      }\n    }, 0);\n  };\n\n  // Update the ice connection state.\n  RTCPeerConnection.prototype._updateIceConnectionState = function() {\n    var newState;\n    var states = {\n      'new': 0,\n      closed: 0,\n      checking: 0,\n      connected: 0,\n      completed: 0,\n      disconnected: 0,\n      failed: 0\n    };\n    this.transceivers.forEach(function(transceiver) {\n      if (transceiver.iceTransport && !transceiver.rejected) {\n        states[transceiver.iceTransport.state]++;\n      }\n    });\n\n    newState = 'new';\n    if (states.failed > 0) {\n      newState = 'failed';\n    } else if (states.checking > 0) {\n      newState = 'checking';\n    } else if (states.disconnected > 0) {\n      newState = 'disconnected';\n    } else if (states.new > 0) {\n      newState = 'new';\n    } else if (states.connected > 0) {\n      newState = 'connected';\n    } else if (states.completed > 0) {\n      newState = 'completed';\n    }\n\n    if (newState !== this.iceConnectionState) {\n      this.iceConnectionState = newState;\n      var event = new Event('iceconnectionstatechange');\n      this._dispatchEvent('iceconnectionstatechange', event);\n    }\n  };\n\n  // Update the connection state.\n  RTCPeerConnection.prototype._updateConnectionState = function() {\n    var newState;\n    var states = {\n      'new': 0,\n      closed: 0,\n      connecting: 0,\n      connected: 0,\n      completed: 0,\n      disconnected: 0,\n      failed: 0\n    };\n    this.transceivers.forEach(function(transceiver) {\n      if (transceiver.iceTransport && transceiver.dtlsTransport &&\n          !transceiver.rejected) {\n        states[transceiver.iceTransport.state]++;\n        states[transceiver.dtlsTransport.state]++;\n      }\n    });\n    // ICETransport.completed and connected are the same for this purpose.\n    states.connected += states.completed;\n\n    newState = 'new';\n    if (states.failed > 0) {\n      newState = 'failed';\n    } else if (states.connecting > 0) {\n      newState = 'connecting';\n    } else if (states.disconnected > 0) {\n      newState = 'disconnected';\n    } else if (states.new > 0) {\n      newState = 'new';\n    } else if (states.connected > 0) {\n      newState = 'connected';\n    }\n\n    if (newState !== this.connectionState) {\n      this.connectionState = newState;\n      var event = new Event('connectionstatechange');\n      this._dispatchEvent('connectionstatechange', event);\n    }\n  };\n\n  RTCPeerConnection.prototype.createOffer = function() {\n    var pc = this;\n\n    if (pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createOffer after close'));\n    }\n\n    var numAudioTracks = pc.transceivers.filter(function(t) {\n      return t.kind === 'audio';\n    }).length;\n    var numVideoTracks = pc.transceivers.filter(function(t) {\n      return t.kind === 'video';\n    }).length;\n\n    // Determine number of audio and video tracks we need to send/recv.\n    var offerOptions = arguments[0];\n    if (offerOptions) {\n      // Reject Chrome legacy constraints.\n      if (offerOptions.mandatory || offerOptions.optional) {\n        throw new TypeError(\n            'Legacy mandatory/optional constraints not supported.');\n      }\n      if (offerOptions.offerToReceiveAudio !== undefined) {\n        if (offerOptions.offerToReceiveAudio === true) {\n          numAudioTracks = 1;\n        } else if (offerOptions.offerToReceiveAudio === false) {\n          numAudioTracks = 0;\n        } else {\n          numAudioTracks = offerOptions.offerToReceiveAudio;\n        }\n      }\n      if (offerOptions.offerToReceiveVideo !== undefined) {\n        if (offerOptions.offerToReceiveVideo === true) {\n          numVideoTracks = 1;\n        } else if (offerOptions.offerToReceiveVideo === false) {\n          numVideoTracks = 0;\n        } else {\n          numVideoTracks = offerOptions.offerToReceiveVideo;\n        }\n      }\n    }\n\n    pc.transceivers.forEach(function(transceiver) {\n      if (transceiver.kind === 'audio') {\n        numAudioTracks--;\n        if (numAudioTracks < 0) {\n          transceiver.wantReceive = false;\n        }\n      } else if (transceiver.kind === 'video') {\n        numVideoTracks--;\n        if (numVideoTracks < 0) {\n          transceiver.wantReceive = false;\n        }\n      }\n    });\n\n    // Create M-lines for recvonly streams.\n    while (numAudioTracks > 0 || numVideoTracks > 0) {\n      if (numAudioTracks > 0) {\n        pc._createTransceiver('audio');\n        numAudioTracks--;\n      }\n      if (numVideoTracks > 0) {\n        pc._createTransceiver('video');\n        numVideoTracks--;\n      }\n    }\n\n    var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,\n        pc._sdpSessionVersion++);\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      // For each track, create an ice gatherer, ice transport,\n      // dtls transport, potentially rtpsender and rtpreceiver.\n      var track = transceiver.track;\n      var kind = transceiver.kind;\n      var mid = transceiver.mid || SDPUtils.generateIdentifier();\n      transceiver.mid = mid;\n\n      if (!transceiver.iceGatherer) {\n        transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,\n            pc.usingBundle);\n      }\n\n      var localCapabilities = window.RTCRtpSender.getCapabilities(kind);\n      // filter RTX until additional stuff needed for RTX is implemented\n      // in adapter.js\n      if (edgeVersion < 15019) {\n        localCapabilities.codecs = localCapabilities.codecs.filter(\n            function(codec) {\n              return codec.name !== 'rtx';\n            });\n      }\n      localCapabilities.codecs.forEach(function(codec) {\n        // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552\n        // by adding level-asymmetry-allowed=1\n        if (codec.name === 'H264' &&\n            codec.parameters['level-asymmetry-allowed'] === undefined) {\n          codec.parameters['level-asymmetry-allowed'] = '1';\n        }\n\n        // for subsequent offers, we might have to re-use the payload\n        // type of the last offer.\n        if (transceiver.remoteCapabilities &&\n            transceiver.remoteCapabilities.codecs) {\n          transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec) {\n            if (codec.name.toLowerCase() === remoteCodec.name.toLowerCase() &&\n                codec.clockRate === remoteCodec.clockRate) {\n              codec.preferredPayloadType = remoteCodec.payloadType;\n            }\n          });\n        }\n      });\n      localCapabilities.headerExtensions.forEach(function(hdrExt) {\n        var remoteExtensions = transceiver.remoteCapabilities &&\n            transceiver.remoteCapabilities.headerExtensions || [];\n        remoteExtensions.forEach(function(rHdrExt) {\n          if (hdrExt.uri === rHdrExt.uri) {\n            hdrExt.id = rHdrExt.id;\n          }\n        });\n      });\n\n      // generate an ssrc now, to be used later in rtpSender.send\n      var sendEncodingParameters = transceiver.sendEncodingParameters || [{\n        ssrc: (2 * sdpMLineIndex + 1) * 1001\n      }];\n      if (track) {\n        // add RTX\n        if (edgeVersion >= 15019 && kind === 'video' &&\n            !sendEncodingParameters[0].rtx) {\n          sendEncodingParameters[0].rtx = {\n            ssrc: sendEncodingParameters[0].ssrc + 1\n          };\n        }\n      }\n\n      if (transceiver.wantReceive) {\n        transceiver.rtpReceiver = new window.RTCRtpReceiver(\n            transceiver.dtlsTransport, kind);\n      }\n\n      transceiver.localCapabilities = localCapabilities;\n      transceiver.sendEncodingParameters = sendEncodingParameters;\n    });\n\n    // always offer BUNDLE and dispose on return if not supported.\n    if (pc._config.bundlePolicy !== 'max-compat') {\n      sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {\n        return t.mid;\n      }).join(' ') + '\\r\\n';\n    }\n    sdp += 'a=ice-options:trickle\\r\\n';\n\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      sdp += writeMediaSection(transceiver, transceiver.localCapabilities,\n          'offer', transceiver.stream, pc._dtlsRole);\n      sdp += 'a=rtcp-rsize\\r\\n';\n\n      if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&\n          (sdpMLineIndex === 0 || !pc.usingBundle)) {\n        transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {\n          cand.component = 1;\n          sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\\r\\n';\n        });\n\n        if (transceiver.iceGatherer.state === 'completed') {\n          sdp += 'a=end-of-candidates\\r\\n';\n        }\n      }\n    });\n\n    var desc = new window.RTCSessionDescription({\n      type: 'offer',\n      sdp: sdp\n    });\n    return Promise.resolve(desc);\n  };\n\n  RTCPeerConnection.prototype.createAnswer = function() {\n    var pc = this;\n\n    if (pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createAnswer after close'));\n    }\n\n    if (!(pc.signalingState === 'have-remote-offer' ||\n        pc.signalingState === 'have-local-pranswer')) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createAnswer in signalingState ' + pc.signalingState));\n    }\n\n    var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,\n        pc._sdpSessionVersion++);\n    if (pc.usingBundle) {\n      sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {\n        return t.mid;\n      }).join(' ') + '\\r\\n';\n    }\n    sdp += 'a=ice-options:trickle\\r\\n';\n\n    var mediaSectionsInOffer = SDPUtils.getMediaSections(\n        pc._remoteDescription.sdp).length;\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      if (sdpMLineIndex + 1 > mediaSectionsInOffer) {\n        return;\n      }\n      if (transceiver.rejected) {\n        if (transceiver.kind === 'application') {\n          if (transceiver.protocol === 'DTLS/SCTP') { // legacy fmt\n            sdp += 'm=application 0 DTLS/SCTP 5000\\r\\n';\n          } else {\n            sdp += 'm=application 0 ' + transceiver.protocol +\n                ' webrtc-datachannel\\r\\n';\n          }\n        } else if (transceiver.kind === 'audio') {\n          sdp += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\\r\\n' +\n              'a=rtpmap:0 PCMU/8000\\r\\n';\n        } else if (transceiver.kind === 'video') {\n          sdp += 'm=video 0 UDP/TLS/RTP/SAVPF 120\\r\\n' +\n              'a=rtpmap:120 VP8/90000\\r\\n';\n        }\n        sdp += 'c=IN IP4 0.0.0.0\\r\\n' +\n            'a=inactive\\r\\n' +\n            'a=mid:' + transceiver.mid + '\\r\\n';\n        return;\n      }\n\n      // FIXME: look at direction.\n      if (transceiver.stream) {\n        var localTrack;\n        if (transceiver.kind === 'audio') {\n          localTrack = transceiver.stream.getAudioTracks()[0];\n        } else if (transceiver.kind === 'video') {\n          localTrack = transceiver.stream.getVideoTracks()[0];\n        }\n        if (localTrack) {\n          // add RTX\n          if (edgeVersion >= 15019 && transceiver.kind === 'video' &&\n              !transceiver.sendEncodingParameters[0].rtx) {\n            transceiver.sendEncodingParameters[0].rtx = {\n              ssrc: transceiver.sendEncodingParameters[0].ssrc + 1\n            };\n          }\n        }\n      }\n\n      // Calculate intersection of capabilities.\n      var commonCapabilities = getCommonCapabilities(\n          transceiver.localCapabilities,\n          transceiver.remoteCapabilities);\n\n      var hasRtx = commonCapabilities.codecs.filter(function(c) {\n        return c.name.toLowerCase() === 'rtx';\n      }).length;\n      if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {\n        delete transceiver.sendEncodingParameters[0].rtx;\n      }\n\n      sdp += writeMediaSection(transceiver, commonCapabilities,\n          'answer', transceiver.stream, pc._dtlsRole);\n      if (transceiver.rtcpParameters &&\n          transceiver.rtcpParameters.reducedSize) {\n        sdp += 'a=rtcp-rsize\\r\\n';\n      }\n    });\n\n    var desc = new window.RTCSessionDescription({\n      type: 'answer',\n      sdp: sdp\n    });\n    return Promise.resolve(desc);\n  };\n\n  RTCPeerConnection.prototype.addIceCandidate = function(candidate) {\n    var pc = this;\n    var sections;\n    if (candidate && !(candidate.sdpMLineIndex !== undefined ||\n        candidate.sdpMid)) {\n      return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));\n    }\n\n    // TODO: needs to go into ops queue.\n    return new Promise(function(resolve, reject) {\n      if (!pc._remoteDescription) {\n        return reject(makeError('InvalidStateError',\n            'Can not add ICE candidate without a remote description'));\n      } else if (!candidate || candidate.candidate === '') {\n        for (var j = 0; j < pc.transceivers.length; j++) {\n          if (pc.transceivers[j].rejected) {\n            continue;\n          }\n          pc.transceivers[j].iceTransport.addRemoteCandidate({});\n          sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);\n          sections[j] += 'a=end-of-candidates\\r\\n';\n          pc._remoteDescription.sdp =\n              SDPUtils.getDescription(pc._remoteDescription.sdp) +\n              sections.join('');\n          if (pc.usingBundle) {\n            break;\n          }\n        }\n      } else {\n        var sdpMLineIndex = candidate.sdpMLineIndex;\n        if (candidate.sdpMid) {\n          for (var i = 0; i < pc.transceivers.length; i++) {\n            if (pc.transceivers[i].mid === candidate.sdpMid) {\n              sdpMLineIndex = i;\n              break;\n            }\n          }\n        }\n        var transceiver = pc.transceivers[sdpMLineIndex];\n        if (transceiver) {\n          if (transceiver.rejected) {\n            return resolve();\n          }\n          var cand = Object.keys(candidate.candidate).length > 0 ?\n              SDPUtils.parseCandidate(candidate.candidate) : {};\n          // Ignore Chrome's invalid candidates since Edge does not like them.\n          if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {\n            return resolve();\n          }\n          // Ignore RTCP candidates, we assume RTCP-MUX.\n          if (cand.component && cand.component !== 1) {\n            return resolve();\n          }\n          // when using bundle, avoid adding candidates to the wrong\n          // ice transport. And avoid adding candidates added in the SDP.\n          if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&\n              transceiver.iceTransport !== pc.transceivers[0].iceTransport)) {\n            if (!maybeAddCandidate(transceiver.iceTransport, cand)) {\n              return reject(makeError('OperationError',\n                  'Can not add ICE candidate'));\n            }\n          }\n\n          // update the remoteDescription.\n          var candidateString = candidate.candidate.trim();\n          if (candidateString.indexOf('a=') === 0) {\n            candidateString = candidateString.substr(2);\n          }\n          sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);\n          sections[sdpMLineIndex] += 'a=' +\n              (cand.type ? candidateString : 'end-of-candidates')\n              + '\\r\\n';\n          pc._remoteDescription.sdp =\n              SDPUtils.getDescription(pc._remoteDescription.sdp) +\n              sections.join('');\n        } else {\n          return reject(makeError('OperationError',\n              'Can not add ICE candidate'));\n        }\n      }\n      resolve();\n    });\n  };\n\n  RTCPeerConnection.prototype.getStats = function(selector) {\n    if (selector && selector instanceof window.MediaStreamTrack) {\n      var senderOrReceiver = null;\n      this.transceivers.forEach(function(transceiver) {\n        if (transceiver.rtpSender &&\n            transceiver.rtpSender.track === selector) {\n          senderOrReceiver = transceiver.rtpSender;\n        } else if (transceiver.rtpReceiver &&\n            transceiver.rtpReceiver.track === selector) {\n          senderOrReceiver = transceiver.rtpReceiver;\n        }\n      });\n      if (!senderOrReceiver) {\n        throw makeError('InvalidAccessError', 'Invalid selector.');\n      }\n      return senderOrReceiver.getStats();\n    }\n\n    var promises = [];\n    this.transceivers.forEach(function(transceiver) {\n      ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',\n          'dtlsTransport'].forEach(function(method) {\n            if (transceiver[method]) {\n              promises.push(transceiver[method].getStats());\n            }\n          });\n    });\n    return Promise.all(promises).then(function(allStats) {\n      var results = new Map();\n      allStats.forEach(function(stats) {\n        stats.forEach(function(stat) {\n          results.set(stat.id, stat);\n        });\n      });\n      return results;\n    });\n  };\n\n  // fix low-level stat names and return Map instead of object.\n  var ortcObjects = ['RTCRtpSender', 'RTCRtpReceiver', 'RTCIceGatherer',\n    'RTCIceTransport', 'RTCDtlsTransport'];\n  ortcObjects.forEach(function(ortcObjectName) {\n    var obj = window[ortcObjectName];\n    if (obj && obj.prototype && obj.prototype.getStats) {\n      var nativeGetstats = obj.prototype.getStats;\n      obj.prototype.getStats = function() {\n        return nativeGetstats.apply(this)\n        .then(function(nativeStats) {\n          var mapStats = new Map();\n          Object.keys(nativeStats).forEach(function(id) {\n            nativeStats[id].type = fixStatsType(nativeStats[id]);\n            mapStats.set(id, nativeStats[id]);\n          });\n          return mapStats;\n        });\n      };\n    }\n  });\n\n  // legacy callback shims. Should be moved to adapter.js some days.\n  var methods = ['createOffer', 'createAnswer'];\n  methods.forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[0] === 'function' ||\n          typeof args[1] === 'function') { // legacy\n        return nativeMethod.apply(this, [arguments[2]])\n        .then(function(description) {\n          if (typeof args[0] === 'function') {\n            args[0].apply(null, [description]);\n          }\n        }, function(error) {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null, [error]);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];\n  methods.forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[1] === 'function' ||\n          typeof args[2] === 'function') { // legacy\n        return nativeMethod.apply(this, arguments)\n        .then(function() {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null);\n          }\n        }, function(error) {\n          if (typeof args[2] === 'function') {\n            args[2].apply(null, [error]);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  // getStats is special. It doesn't have a spec legacy method yet we support\n  // getStats(something, cb) without error callbacks.\n  ['getStats'].forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[1] === 'function') {\n        return nativeMethod.apply(this, arguments)\n        .then(function() {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  return RTCPeerConnection;\n};\n\n},{\"sdp\":17}],17:[function(require,module,exports){\n/* eslint-env node */\n'use strict';\n\n// SDP helpers.\nvar SDPUtils = {};\n\n// Generate an alphanumeric identifier for cname or mids.\n// TODO: use UUIDs instead? https://gist.github.com/jed/982883\nSDPUtils.generateIdentifier = function() {\n  return Math.random().toString(36).substr(2, 10);\n};\n\n// The RTCP CNAME used by all peerconnections from the same JS.\nSDPUtils.localCName = SDPUtils.generateIdentifier();\n\n// Splits SDP into lines, dealing with both CRLF and LF.\nSDPUtils.splitLines = function(blob) {\n  return blob.trim().split('\\n').map(function(line) {\n    return line.trim();\n  });\n};\n// Splits SDP into sessionpart and mediasections. Ensures CRLF.\nSDPUtils.splitSections = function(blob) {\n  var parts = blob.split('\\nm=');\n  return parts.map(function(part, index) {\n    return (index > 0 ? 'm=' + part : part).trim() + '\\r\\n';\n  });\n};\n\n// returns the session description.\nSDPUtils.getDescription = function(blob) {\n  var sections = SDPUtils.splitSections(blob);\n  return sections && sections[0];\n};\n\n// returns the individual media sections.\nSDPUtils.getMediaSections = function(blob) {\n  var sections = SDPUtils.splitSections(blob);\n  sections.shift();\n  return sections;\n};\n\n// Returns lines that start with a certain prefix.\nSDPUtils.matchPrefix = function(blob, prefix) {\n  return SDPUtils.splitLines(blob).filter(function(line) {\n    return line.indexOf(prefix) === 0;\n  });\n};\n\n// Parses an ICE candidate line. Sample input:\n// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8\n// rport 55996\"\nSDPUtils.parseCandidate = function(line) {\n  var parts;\n  // Parse both variants.\n  if (line.indexOf('a=candidate:') === 0) {\n    parts = line.substring(12).split(' ');\n  } else {\n    parts = line.substring(10).split(' ');\n  }\n\n  var candidate = {\n    foundation: parts[0],\n    component: parseInt(parts[1], 10),\n    protocol: parts[2].toLowerCase(),\n    priority: parseInt(parts[3], 10),\n    ip: parts[4],\n    address: parts[4], // address is an alias for ip.\n    port: parseInt(parts[5], 10),\n    // skip parts[6] == 'typ'\n    type: parts[7]\n  };\n\n  for (var i = 8; i < parts.length; i += 2) {\n    switch (parts[i]) {\n      case 'raddr':\n        candidate.relatedAddress = parts[i + 1];\n        break;\n      case 'rport':\n        candidate.relatedPort = parseInt(parts[i + 1], 10);\n        break;\n      case 'tcptype':\n        candidate.tcpType = parts[i + 1];\n        break;\n      case 'ufrag':\n        candidate.ufrag = parts[i + 1]; // for backward compability.\n        candidate.usernameFragment = parts[i + 1];\n        break;\n      default: // extension handling, in particular ufrag\n        candidate[parts[i]] = parts[i + 1];\n        break;\n    }\n  }\n  return candidate;\n};\n\n// Translates a candidate object into SDP candidate attribute.\nSDPUtils.writeCandidate = function(candidate) {\n  var sdp = [];\n  sdp.push(candidate.foundation);\n  sdp.push(candidate.component);\n  sdp.push(candidate.protocol.toUpperCase());\n  sdp.push(candidate.priority);\n  sdp.push(candidate.address || candidate.ip);\n  sdp.push(candidate.port);\n\n  var type = candidate.type;\n  sdp.push('typ');\n  sdp.push(type);\n  if (type !== 'host' && candidate.relatedAddress &&\n      candidate.relatedPort) {\n    sdp.push('raddr');\n    sdp.push(candidate.relatedAddress);\n    sdp.push('rport');\n    sdp.push(candidate.relatedPort);\n  }\n  if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {\n    sdp.push('tcptype');\n    sdp.push(candidate.tcpType);\n  }\n  if (candidate.usernameFragment || candidate.ufrag) {\n    sdp.push('ufrag');\n    sdp.push(candidate.usernameFragment || candidate.ufrag);\n  }\n  return 'candidate:' + sdp.join(' ');\n};\n\n// Parses an ice-options line, returns an array of option tags.\n// a=ice-options:foo bar\nSDPUtils.parseIceOptions = function(line) {\n  return line.substr(14).split(' ');\n};\n\n// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:\n// a=rtpmap:111 opus/48000/2\nSDPUtils.parseRtpMap = function(line) {\n  var parts = line.substr(9).split(' ');\n  var parsed = {\n    payloadType: parseInt(parts.shift(), 10) // was: id\n  };\n\n  parts = parts[0].split('/');\n\n  parsed.name = parts[0];\n  parsed.clockRate = parseInt(parts[1], 10); // was: clockrate\n  parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;\n  // legacy alias, got renamed back to channels in ORTC.\n  parsed.numChannels = parsed.channels;\n  return parsed;\n};\n\n// Generate an a=rtpmap line from RTCRtpCodecCapability or\n// RTCRtpCodecParameters.\nSDPUtils.writeRtpMap = function(codec) {\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  var channels = codec.channels || codec.numChannels || 1;\n  return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +\n      (channels !== 1 ? '/' + channels : '') + '\\r\\n';\n};\n\n// Parses an a=extmap line (headerextension from RFC 5285). Sample input:\n// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\n// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset\nSDPUtils.parseExtmap = function(line) {\n  var parts = line.substr(9).split(' ');\n  return {\n    id: parseInt(parts[0], 10),\n    direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',\n    uri: parts[1]\n  };\n};\n\n// Generates a=extmap line from RTCRtpHeaderExtensionParameters or\n// RTCRtpHeaderExtension.\nSDPUtils.writeExtmap = function(headerExtension) {\n  return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +\n      (headerExtension.direction && headerExtension.direction !== 'sendrecv'\n        ? '/' + headerExtension.direction\n        : '') +\n      ' ' + headerExtension.uri + '\\r\\n';\n};\n\n// Parses an ftmp line, returns dictionary. Sample input:\n// a=fmtp:96 vbr=on;cng=on\n// Also deals with vbr=on; cng=on\nSDPUtils.parseFmtp = function(line) {\n  var parsed = {};\n  var kv;\n  var parts = line.substr(line.indexOf(' ') + 1).split(';');\n  for (var j = 0; j < parts.length; j++) {\n    kv = parts[j].trim().split('=');\n    parsed[kv[0].trim()] = kv[1];\n  }\n  return parsed;\n};\n\n// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeFmtp = function(codec) {\n  var line = '';\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.parameters && Object.keys(codec.parameters).length) {\n    var params = [];\n    Object.keys(codec.parameters).forEach(function(param) {\n      if (codec.parameters[param]) {\n        params.push(param + '=' + codec.parameters[param]);\n      } else {\n        params.push(param);\n      }\n    });\n    line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\\r\\n';\n  }\n  return line;\n};\n\n// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:\n// a=rtcp-fb:98 nack rpsi\nSDPUtils.parseRtcpFb = function(line) {\n  var parts = line.substr(line.indexOf(' ') + 1).split(' ');\n  return {\n    type: parts.shift(),\n    parameter: parts.join(' ')\n  };\n};\n// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeRtcpFb = function(codec) {\n  var lines = '';\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.rtcpFeedback && codec.rtcpFeedback.length) {\n    // FIXME: special handling for trr-int?\n    codec.rtcpFeedback.forEach(function(fb) {\n      lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +\n      (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +\n          '\\r\\n';\n    });\n  }\n  return lines;\n};\n\n// Parses an RFC 5576 ssrc media attribute. Sample input:\n// a=ssrc:3735928559 cname:something\nSDPUtils.parseSsrcMedia = function(line) {\n  var sp = line.indexOf(' ');\n  var parts = {\n    ssrc: parseInt(line.substr(7, sp - 7), 10)\n  };\n  var colon = line.indexOf(':', sp);\n  if (colon > -1) {\n    parts.attribute = line.substr(sp + 1, colon - sp - 1);\n    parts.value = line.substr(colon + 1);\n  } else {\n    parts.attribute = line.substr(sp + 1);\n  }\n  return parts;\n};\n\nSDPUtils.parseSsrcGroup = function(line) {\n  var parts = line.substr(13).split(' ');\n  return {\n    semantics: parts.shift(),\n    ssrcs: parts.map(function(ssrc) {\n      return parseInt(ssrc, 10);\n    })\n  };\n};\n\n// Extracts the MID (RFC 5888) from a media section.\n// returns the MID or undefined if no mid line was found.\nSDPUtils.getMid = function(mediaSection) {\n  var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];\n  if (mid) {\n    return mid.substr(6);\n  }\n};\n\nSDPUtils.parseFingerprint = function(line) {\n  var parts = line.substr(14).split(' ');\n  return {\n    algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.\n    value: parts[1]\n  };\n};\n\n// Extracts DTLS parameters from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the fingerprint line as input. See also getIceParameters.\nSDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {\n  var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=fingerprint:');\n  // Note: a=setup line is ignored since we use the 'auto' role.\n  // Note2: 'algorithm' is not case sensitive except in Edge.\n  return {\n    role: 'auto',\n    fingerprints: lines.map(SDPUtils.parseFingerprint)\n  };\n};\n\n// Serializes DTLS parameters to SDP.\nSDPUtils.writeDtlsParameters = function(params, setupType) {\n  var sdp = 'a=setup:' + setupType + '\\r\\n';\n  params.fingerprints.forEach(function(fp) {\n    sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\\r\\n';\n  });\n  return sdp;\n};\n// Parses ICE information from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the ice-ufrag and ice-pwd lines as input.\nSDPUtils.getIceParameters = function(mediaSection, sessionpart) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  // Search in session part, too.\n  lines = lines.concat(SDPUtils.splitLines(sessionpart));\n  var iceParameters = {\n    usernameFragment: lines.filter(function(line) {\n      return line.indexOf('a=ice-ufrag:') === 0;\n    })[0].substr(12),\n    password: lines.filter(function(line) {\n      return line.indexOf('a=ice-pwd:') === 0;\n    })[0].substr(10)\n  };\n  return iceParameters;\n};\n\n// Serializes ICE parameters to SDP.\nSDPUtils.writeIceParameters = function(params) {\n  return 'a=ice-ufrag:' + params.usernameFragment + '\\r\\n' +\n      'a=ice-pwd:' + params.password + '\\r\\n';\n};\n\n// Parses the SDP media section and returns RTCRtpParameters.\nSDPUtils.parseRtpParameters = function(mediaSection) {\n  var description = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: [],\n    rtcp: []\n  };\n  var lines = SDPUtils.splitLines(mediaSection);\n  var mline = lines[0].split(' ');\n  for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]\n    var pt = mline[i];\n    var rtpmapline = SDPUtils.matchPrefix(\n      mediaSection, 'a=rtpmap:' + pt + ' ')[0];\n    if (rtpmapline) {\n      var codec = SDPUtils.parseRtpMap(rtpmapline);\n      var fmtps = SDPUtils.matchPrefix(\n        mediaSection, 'a=fmtp:' + pt + ' ');\n      // Only the first a=fmtp:<pt> is considered.\n      codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};\n      codec.rtcpFeedback = SDPUtils.matchPrefix(\n        mediaSection, 'a=rtcp-fb:' + pt + ' ')\n        .map(SDPUtils.parseRtcpFb);\n      description.codecs.push(codec);\n      // parse FEC mechanisms from rtpmap lines.\n      switch (codec.name.toUpperCase()) {\n        case 'RED':\n        case 'ULPFEC':\n          description.fecMechanisms.push(codec.name.toUpperCase());\n          break;\n        default: // only RED and ULPFEC are recognized as FEC mechanisms.\n          break;\n      }\n    }\n  }\n  SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {\n    description.headerExtensions.push(SDPUtils.parseExtmap(line));\n  });\n  // FIXME: parse rtcp.\n  return description;\n};\n\n// Generates parts of the SDP media section describing the capabilities /\n// parameters.\nSDPUtils.writeRtpDescription = function(kind, caps) {\n  var sdp = '';\n\n  // Build the mline.\n  sdp += 'm=' + kind + ' ';\n  sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.\n  sdp += ' UDP/TLS/RTP/SAVPF ';\n  sdp += caps.codecs.map(function(codec) {\n    if (codec.preferredPayloadType !== undefined) {\n      return codec.preferredPayloadType;\n    }\n    return codec.payloadType;\n  }).join(' ') + '\\r\\n';\n\n  sdp += 'c=IN IP4 0.0.0.0\\r\\n';\n  sdp += 'a=rtcp:9 IN IP4 0.0.0.0\\r\\n';\n\n  // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.\n  caps.codecs.forEach(function(codec) {\n    sdp += SDPUtils.writeRtpMap(codec);\n    sdp += SDPUtils.writeFmtp(codec);\n    sdp += SDPUtils.writeRtcpFb(codec);\n  });\n  var maxptime = 0;\n  caps.codecs.forEach(function(codec) {\n    if (codec.maxptime > maxptime) {\n      maxptime = codec.maxptime;\n    }\n  });\n  if (maxptime > 0) {\n    sdp += 'a=maxptime:' + maxptime + '\\r\\n';\n  }\n  sdp += 'a=rtcp-mux\\r\\n';\n\n  if (caps.headerExtensions) {\n    caps.headerExtensions.forEach(function(extension) {\n      sdp += SDPUtils.writeExtmap(extension);\n    });\n  }\n  // FIXME: write fecMechanisms.\n  return sdp;\n};\n\n// Parses the SDP media section and returns an array of\n// RTCRtpEncodingParameters.\nSDPUtils.parseRtpEncodingParameters = function(mediaSection) {\n  var encodingParameters = [];\n  var description = SDPUtils.parseRtpParameters(mediaSection);\n  var hasRed = description.fecMechanisms.indexOf('RED') !== -1;\n  var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;\n\n  // filter a=ssrc:... cname:, ignore PlanB-msid\n  var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(parts) {\n      return parts.attribute === 'cname';\n    });\n  var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;\n  var secondarySsrc;\n\n  var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')\n    .map(function(line) {\n      var parts = line.substr(17).split(' ');\n      return parts.map(function(part) {\n        return parseInt(part, 10);\n      });\n    });\n  if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {\n    secondarySsrc = flows[0][1];\n  }\n\n  description.codecs.forEach(function(codec) {\n    if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {\n      var encParam = {\n        ssrc: primarySsrc,\n        codecPayloadType: parseInt(codec.parameters.apt, 10)\n      };\n      if (primarySsrc && secondarySsrc) {\n        encParam.rtx = {ssrc: secondarySsrc};\n      }\n      encodingParameters.push(encParam);\n      if (hasRed) {\n        encParam = JSON.parse(JSON.stringify(encParam));\n        encParam.fec = {\n          ssrc: primarySsrc,\n          mechanism: hasUlpfec ? 'red+ulpfec' : 'red'\n        };\n        encodingParameters.push(encParam);\n      }\n    }\n  });\n  if (encodingParameters.length === 0 && primarySsrc) {\n    encodingParameters.push({\n      ssrc: primarySsrc\n    });\n  }\n\n  // we support both b=AS and b=TIAS but interpret AS as TIAS.\n  var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');\n  if (bandwidth.length) {\n    if (bandwidth[0].indexOf('b=TIAS:') === 0) {\n      bandwidth = parseInt(bandwidth[0].substr(7), 10);\n    } else if (bandwidth[0].indexOf('b=AS:') === 0) {\n      // use formula from JSEP to convert b=AS to TIAS value.\n      bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95\n          - (50 * 40 * 8);\n    } else {\n      bandwidth = undefined;\n    }\n    encodingParameters.forEach(function(params) {\n      params.maxBitrate = bandwidth;\n    });\n  }\n  return encodingParameters;\n};\n\n// parses http://draft.ortc.org/#rtcrtcpparameters*\nSDPUtils.parseRtcpParameters = function(mediaSection) {\n  var rtcpParameters = {};\n\n  // Gets the first SSRC. Note tha with RTX there might be multiple\n  // SSRCs.\n  var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(obj) {\n      return obj.attribute === 'cname';\n    })[0];\n  if (remoteSsrc) {\n    rtcpParameters.cname = remoteSsrc.value;\n    rtcpParameters.ssrc = remoteSsrc.ssrc;\n  }\n\n  // Edge uses the compound attribute instead of reducedSize\n  // compound is !reducedSize\n  var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');\n  rtcpParameters.reducedSize = rsize.length > 0;\n  rtcpParameters.compound = rsize.length === 0;\n\n  // parses the rtcp-mux attrіbute.\n  // Note that Edge does not support unmuxed RTCP.\n  var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');\n  rtcpParameters.mux = mux.length > 0;\n\n  return rtcpParameters;\n};\n\n// parses either a=msid: or a=ssrc:... msid lines and returns\n// the id of the MediaStream and MediaStreamTrack.\nSDPUtils.parseMsid = function(mediaSection) {\n  var parts;\n  var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');\n  if (spec.length === 1) {\n    parts = spec[0].substr(7).split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n  var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(msidParts) {\n      return msidParts.attribute === 'msid';\n    });\n  if (planB.length > 0) {\n    parts = planB[0].value.split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n};\n\n// SCTP\n// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back\n// to draft-ietf-mmusic-sctp-sdp-05\nSDPUtils.parseSctpDescription = function(mediaSection) {\n  var mline = SDPUtils.parseMLine(mediaSection);\n  var maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');\n  var maxMessageSize;\n  if (maxSizeLine.length > 0) {\n    maxMessageSize = parseInt(maxSizeLine[0].substr(19), 10);\n  }\n  if (isNaN(maxMessageSize)) {\n    maxMessageSize = 65536;\n  }\n  var sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');\n  if (sctpPort.length > 0) {\n    return {\n      port: parseInt(sctpPort[0].substr(12), 10),\n      protocol: mline.fmt,\n      maxMessageSize: maxMessageSize\n    };\n  }\n  var sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');\n  if (sctpMapLines.length > 0) {\n    var parts = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:')[0]\n      .substr(10)\n      .split(' ');\n    return {\n      port: parseInt(parts[0], 10),\n      protocol: parts[1],\n      maxMessageSize: maxMessageSize\n    };\n  }\n};\n\n// SCTP\n// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers\n// support by now receiving in this format, unless we originally parsed\n// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line\n// protocol of DTLS/SCTP -- without UDP/ or TCP/)\nSDPUtils.writeSctpDescription = function(media, sctp) {\n  var output = [];\n  if (media.protocol !== 'DTLS/SCTP') {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctp-port:' + sctp.port + '\\r\\n'\n    ];\n  } else {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\\r\\n'\n    ];\n  }\n  if (sctp.maxMessageSize !== undefined) {\n    output.push('a=max-message-size:' + sctp.maxMessageSize + '\\r\\n');\n  }\n  return output.join('');\n};\n\n// Generate a session ID for SDP.\n// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1\n// recommends using a cryptographically random +ve 64-bit value\n// but right now this should be acceptable and within the right range\nSDPUtils.generateSessionId = function() {\n  return Math.random().toString().substr(2, 21);\n};\n\n// Write boilder plate for start of SDP\n// sessId argument is optional - if not supplied it will\n// be generated randomly\n// sessVersion is optional and defaults to 2\n// sessUser is optional and defaults to 'thisisadapterortc'\nSDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {\n  var sessionId;\n  var version = sessVer !== undefined ? sessVer : 2;\n  if (sessId) {\n    sessionId = sessId;\n  } else {\n    sessionId = SDPUtils.generateSessionId();\n  }\n  var user = sessUser || 'thisisadapterortc';\n  // FIXME: sess-id should be an NTP timestamp.\n  return 'v=0\\r\\n' +\n      'o=' + user + ' ' + sessionId + ' ' + version +\n        ' IN IP4 127.0.0.1\\r\\n' +\n      's=-\\r\\n' +\n      't=0 0\\r\\n';\n};\n\nSDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {\n  var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);\n\n  // Map ICE parameters (ufrag, pwd) to SDP.\n  sdp += SDPUtils.writeIceParameters(\n    transceiver.iceGatherer.getLocalParameters());\n\n  // Map DTLS parameters to SDP.\n  sdp += SDPUtils.writeDtlsParameters(\n    transceiver.dtlsTransport.getLocalParameters(),\n    type === 'offer' ? 'actpass' : 'active');\n\n  sdp += 'a=mid:' + transceiver.mid + '\\r\\n';\n\n  if (transceiver.direction) {\n    sdp += 'a=' + transceiver.direction + '\\r\\n';\n  } else if (transceiver.rtpSender && transceiver.rtpReceiver) {\n    sdp += 'a=sendrecv\\r\\n';\n  } else if (transceiver.rtpSender) {\n    sdp += 'a=sendonly\\r\\n';\n  } else if (transceiver.rtpReceiver) {\n    sdp += 'a=recvonly\\r\\n';\n  } else {\n    sdp += 'a=inactive\\r\\n';\n  }\n\n  if (transceiver.rtpSender) {\n    // spec.\n    var msid = 'msid:' + stream.id + ' ' +\n        transceiver.rtpSender.track.id + '\\r\\n';\n    sdp += 'a=' + msid;\n\n    // for Chrome.\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n        ' ' + msid;\n    if (transceiver.sendEncodingParameters[0].rtx) {\n      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n          ' ' + msid;\n      sdp += 'a=ssrc-group:FID ' +\n          transceiver.sendEncodingParameters[0].ssrc + ' ' +\n          transceiver.sendEncodingParameters[0].rtx.ssrc +\n          '\\r\\n';\n    }\n  }\n  // FIXME: this should be written by writeRtpDescription.\n  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n      ' cname:' + SDPUtils.localCName + '\\r\\n';\n  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n        ' cname:' + SDPUtils.localCName + '\\r\\n';\n  }\n  return sdp;\n};\n\n// Gets the direction from the mediaSection or the sessionpart.\nSDPUtils.getDirection = function(mediaSection, sessionpart) {\n  // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.\n  var lines = SDPUtils.splitLines(mediaSection);\n  for (var i = 0; i < lines.length; i++) {\n    switch (lines[i]) {\n      case 'a=sendrecv':\n      case 'a=sendonly':\n      case 'a=recvonly':\n      case 'a=inactive':\n        return lines[i].substr(2);\n      default:\n        // FIXME: What should happen here?\n    }\n  }\n  if (sessionpart) {\n    return SDPUtils.getDirection(sessionpart);\n  }\n  return 'sendrecv';\n};\n\nSDPUtils.getKind = function(mediaSection) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  var mline = lines[0].split(' ');\n  return mline[0].substr(2);\n};\n\nSDPUtils.isRejected = function(mediaSection) {\n  return mediaSection.split(' ', 2)[1] === '0';\n};\n\nSDPUtils.parseMLine = function(mediaSection) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  var parts = lines[0].substr(2).split(' ');\n  return {\n    kind: parts[0],\n    port: parseInt(parts[1], 10),\n    protocol: parts[2],\n    fmt: parts.slice(3).join(' ')\n  };\n};\n\nSDPUtils.parseOLine = function(mediaSection) {\n  var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];\n  var parts = line.substr(2).split(' ');\n  return {\n    username: parts[0],\n    sessionId: parts[1],\n    sessionVersion: parseInt(parts[2], 10),\n    netType: parts[3],\n    addressType: parts[4],\n    address: parts[5]\n  };\n};\n\n// a very naive interpretation of a valid SDP.\nSDPUtils.isValidSDP = function(blob) {\n  if (typeof blob !== 'string' || blob.length === 0) {\n    return false;\n  }\n  var lines = SDPUtils.splitLines(blob);\n  for (var i = 0; i < lines.length; i++) {\n    if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {\n      return false;\n    }\n    // TODO: check the modifier a bit more.\n  }\n  return true;\n};\n\n// Expose public methods.\nif (typeof module === 'object') {\n  module.exports = SDPUtils;\n}\n\n},{}]},{},[1])(1)\n});"],"file":"adapter.min.js"}
\ No newline at end of file
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* Description of import/upgrade into Moodle:\n *\n * 1. Visit https://github.com/webrtc/adapter/releases.\n * 2. Check if the version has been updated from what is listed in lib/thirdpartylibs.xml in the Moodle wwwroot.\n * 3. If it has -\n *    1. Download the source code.\n *    2. Copy the content of the file release/adapter.js from the archive (ignore the first line).\n *    3. Replace the content below \"return (function e(t,n,r) ..\" in this file with the content you copied.\n *    4. Ensure to update lib/thirdpartylibs.xml with any changes.\n */\n\n// ESLint directives.\n/* eslint-disable */\n\n// JSHint directives.\n/* jshint ignore:start */\n\ndefine([], function() {\nreturn (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n\n'use strict';\n\nvar _adapter_factory = require('./adapter_factory.js');\n\nvar adapter = (0, _adapter_factory.adapterFactory)({ window: window });\nmodule.exports = adapter; // this is the difference from adapter_core.\n\n},{\"./adapter_factory.js\":2}],2:[function(require,module,exports){\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.adapterFactory = adapterFactory;\n\nvar _utils = require('./utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nvar _chrome_shim = require('./chrome/chrome_shim');\n\nvar chromeShim = _interopRequireWildcard(_chrome_shim);\n\nvar _edge_shim = require('./edge/edge_shim');\n\nvar edgeShim = _interopRequireWildcard(_edge_shim);\n\nvar _firefox_shim = require('./firefox/firefox_shim');\n\nvar firefoxShim = _interopRequireWildcard(_firefox_shim);\n\nvar _safari_shim = require('./safari/safari_shim');\n\nvar safariShim = _interopRequireWildcard(_safari_shim);\n\nvar _common_shim = require('./common_shim');\n\nvar commonShim = _interopRequireWildcard(_common_shim);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\n// Shimming starts here.\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\nfunction adapterFactory() {\n  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n      window = _ref.window;\n\n  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n    shimChrome: true,\n    shimFirefox: true,\n    shimEdge: true,\n    shimSafari: true\n  };\n\n  // Utils.\n  var logging = utils.log;\n  var browserDetails = utils.detectBrowser(window);\n\n  var adapter = {\n    browserDetails: browserDetails,\n    commonShim: commonShim,\n    extractVersion: utils.extractVersion,\n    disableLog: utils.disableLog,\n    disableWarnings: utils.disableWarnings\n  };\n\n  // Shim browser if found.\n  switch (browserDetails.browser) {\n    case 'chrome':\n      if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {\n        logging('Chrome shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming chrome.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = chromeShim;\n\n      chromeShim.shimGetUserMedia(window);\n      chromeShim.shimMediaStream(window);\n      chromeShim.shimPeerConnection(window);\n      chromeShim.shimOnTrack(window);\n      chromeShim.shimAddTrackRemoveTrack(window);\n      chromeShim.shimGetSendersWithDtmf(window);\n      chromeShim.shimGetStats(window);\n      chromeShim.shimSenderReceiverGetStats(window);\n      chromeShim.fixNegotiationNeeded(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimConnectionState(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      commonShim.removeAllowExtmapMixed(window);\n      break;\n    case 'firefox':\n      if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {\n        logging('Firefox shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming firefox.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = firefoxShim;\n\n      firefoxShim.shimGetUserMedia(window);\n      firefoxShim.shimPeerConnection(window);\n      firefoxShim.shimOnTrack(window);\n      firefoxShim.shimRemoveStream(window);\n      firefoxShim.shimSenderGetStats(window);\n      firefoxShim.shimReceiverGetStats(window);\n      firefoxShim.shimRTCDataChannel(window);\n      firefoxShim.shimAddTransceiver(window);\n      firefoxShim.shimCreateOffer(window);\n      firefoxShim.shimCreateAnswer(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimConnectionState(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      break;\n    case 'edge':\n      if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {\n        logging('MS edge shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming edge.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = edgeShim;\n\n      edgeShim.shimGetUserMedia(window);\n      edgeShim.shimGetDisplayMedia(window);\n      edgeShim.shimPeerConnection(window);\n      edgeShim.shimReplaceTrack(window);\n\n      // the edge shim implements the full RTCIceCandidate object.\n\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      break;\n    case 'safari':\n      if (!safariShim || !options.shimSafari) {\n        logging('Safari shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming safari.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = safariShim;\n\n      safariShim.shimRTCIceServerUrls(window);\n      safariShim.shimCreateOfferLegacy(window);\n      safariShim.shimCallbacksAPI(window);\n      safariShim.shimLocalStreamsAPI(window);\n      safariShim.shimRemoteStreamsAPI(window);\n      safariShim.shimTrackEventTransceiver(window);\n      safariShim.shimGetUserMedia(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      commonShim.removeAllowExtmapMixed(window);\n      break;\n    default:\n      logging('Unsupported browser!');\n      break;\n  }\n\n  return adapter;\n}\n\n// Browser shims.\n\n},{\"./chrome/chrome_shim\":3,\"./common_shim\":6,\"./edge/edge_shim\":7,\"./firefox/firefox_shim\":11,\"./safari/safari_shim\":14,\"./utils\":15}],3:[function(require,module,exports){\n\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimMediaStream = shimMediaStream;\nexports.shimOnTrack = shimOnTrack;\nexports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;\nexports.shimGetStats = shimGetStats;\nexports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;\nexports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;\nexports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;\nexports.shimPeerConnection = shimPeerConnection;\nexports.fixNegotiationNeeded = fixNegotiationNeeded;\n\nvar _utils = require('../utils.js');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction shimMediaStream(window) {\n  window.MediaStream = window.MediaStream || window.webkitMediaStream;\n}\n\nfunction shimOnTrack(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {\n      get: function get() {\n        return this._ontrack;\n      },\n      set: function set(f) {\n        if (this._ontrack) {\n          this.removeEventListener('track', this._ontrack);\n        }\n        this.addEventListener('track', this._ontrack = f);\n      },\n\n      enumerable: true,\n      configurable: true\n    });\n    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n      var _this = this;\n\n      if (!this._ontrackpoly) {\n        this._ontrackpoly = function (e) {\n          // onaddstream does not fire when a track is added to an existing\n          // stream. But stream.onaddtrack is implemented so we use that.\n          e.stream.addEventListener('addtrack', function (te) {\n            var receiver = void 0;\n            if (window.RTCPeerConnection.prototype.getReceivers) {\n              receiver = _this.getReceivers().find(function (r) {\n                return r.track && r.track.id === te.track.id;\n              });\n            } else {\n              receiver = { track: te.track };\n            }\n\n            var event = new Event('track');\n            event.track = te.track;\n            event.receiver = receiver;\n            event.transceiver = { receiver: receiver };\n            event.streams = [e.stream];\n            _this.dispatchEvent(event);\n          });\n          e.stream.getTracks().forEach(function (track) {\n            var receiver = void 0;\n            if (window.RTCPeerConnection.prototype.getReceivers) {\n              receiver = _this.getReceivers().find(function (r) {\n                return r.track && r.track.id === track.id;\n              });\n            } else {\n              receiver = { track: track };\n            }\n            var event = new Event('track');\n            event.track = track;\n            event.receiver = receiver;\n            event.transceiver = { receiver: receiver };\n            event.streams = [e.stream];\n            _this.dispatchEvent(event);\n          });\n        };\n        this.addEventListener('addstream', this._ontrackpoly);\n      }\n      return origSetRemoteDescription.apply(this, arguments);\n    };\n  } else {\n    // even if RTCRtpTransceiver is in window, it is only used and\n    // emitted in unified-plan. Unfortunately this means we need\n    // to unconditionally wrap the event.\n    utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n      if (!e.transceiver) {\n        Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } });\n      }\n      return e;\n    });\n  }\n}\n\nfunction shimGetSendersWithDtmf(window) {\n  // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {\n    var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) {\n      return {\n        track: track,\n        get dtmf() {\n          if (this._dtmf === undefined) {\n            if (track.kind === 'audio') {\n              this._dtmf = pc.createDTMFSender(track);\n            } else {\n              this._dtmf = null;\n            }\n          }\n          return this._dtmf;\n        },\n        _pc: pc\n      };\n    };\n\n    // augment addTrack when getSenders is not available.\n    if (!window.RTCPeerConnection.prototype.getSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        this._senders = this._senders || [];\n        return this._senders.slice(); // return a copy of the internal state.\n      };\n      var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n      window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n        var sender = origAddTrack.apply(this, arguments);\n        if (!sender) {\n          sender = shimSenderWithDtmf(this, track);\n          this._senders.push(sender);\n        }\n        return sender;\n      };\n\n      var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n      window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n        origRemoveTrack.apply(this, arguments);\n        var idx = this._senders.indexOf(sender);\n        if (idx !== -1) {\n          this._senders.splice(idx, 1);\n        }\n      };\n    }\n    var origAddStream = window.RTCPeerConnection.prototype.addStream;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      var _this2 = this;\n\n      this._senders = this._senders || [];\n      origAddStream.apply(this, [stream]);\n      stream.getTracks().forEach(function (track) {\n        _this2._senders.push(shimSenderWithDtmf(_this2, track));\n      });\n    };\n\n    var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n      var _this3 = this;\n\n      this._senders = this._senders || [];\n      origRemoveStream.apply(this, [stream]);\n\n      stream.getTracks().forEach(function (track) {\n        var sender = _this3._senders.find(function (s) {\n          return s.track === track;\n        });\n        if (sender) {\n          // remove sender\n          _this3._senders.splice(_this3._senders.indexOf(sender), 1);\n        }\n      });\n    };\n  } else if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {\n    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      var _this4 = this;\n\n      var senders = origGetSenders.apply(this, []);\n      senders.forEach(function (sender) {\n        return sender._pc = _this4;\n      });\n      return senders;\n    };\n\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get: function get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = this._pc.createDTMFSender(this.track);\n          } else {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n}\n\nfunction shimGetStats(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  var origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    var _this5 = this;\n\n    var _arguments = Array.prototype.slice.call(arguments),\n        selector = _arguments[0],\n        onSucc = _arguments[1],\n        onErr = _arguments[2];\n\n    // If selector is a function then we are in the old style stats so just\n    // pass back the original getStats format to avoid breaking old users.\n\n\n    if (arguments.length > 0 && typeof selector === 'function') {\n      return origGetStats.apply(this, arguments);\n    }\n\n    // When spec-style getStats is supported, return those when called with\n    // either no arguments or the selector argument is null.\n    if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== 'function')) {\n      return origGetStats.apply(this, []);\n    }\n\n    var fixChromeStats_ = function fixChromeStats_(response) {\n      var standardReport = {};\n      var reports = response.result();\n      reports.forEach(function (report) {\n        var standardStats = {\n          id: report.id,\n          timestamp: report.timestamp,\n          type: {\n            localcandidate: 'local-candidate',\n            remotecandidate: 'remote-candidate'\n          }[report.type] || report.type\n        };\n        report.names().forEach(function (name) {\n          standardStats[name] = report.stat(name);\n        });\n        standardReport[standardStats.id] = standardStats;\n      });\n\n      return standardReport;\n    };\n\n    // shim getStats with maplike support\n    var makeMapStats = function makeMapStats(stats) {\n      return new Map(Object.keys(stats).map(function (key) {\n        return [key, stats[key]];\n      }));\n    };\n\n    if (arguments.length >= 2) {\n      var successCallbackWrapper_ = function successCallbackWrapper_(response) {\n        onSucc(makeMapStats(fixChromeStats_(response)));\n      };\n\n      return origGetStats.apply(this, [successCallbackWrapper_, selector]);\n    }\n\n    // promise-support\n    return new Promise(function (resolve, reject) {\n      origGetStats.apply(_this5, [function (response) {\n        resolve(makeMapStats(fixChromeStats_(response)));\n      }, reject]);\n    }).then(onSucc, onErr);\n  };\n}\n\nfunction shimSenderReceiverGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) {\n    return;\n  }\n\n  // shim sender stats.\n  if (!('getStats' in window.RTCRtpSender.prototype)) {\n    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    if (origGetSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        var _this6 = this;\n\n        var senders = origGetSenders.apply(this, []);\n        senders.forEach(function (sender) {\n          return sender._pc = _this6;\n        });\n        return senders;\n      };\n    }\n\n    var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n    if (origAddTrack) {\n      window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n        var sender = origAddTrack.apply(this, arguments);\n        sender._pc = this;\n        return sender;\n      };\n    }\n    window.RTCRtpSender.prototype.getStats = function getStats() {\n      var sender = this;\n      return this._pc.getStats().then(function (result) {\n        return (\n          /* Note: this will include stats of all senders that\n           *   send a track with the same id as sender.track as\n           *   it is not possible to identify the RTCRtpSender.\n           */\n          utils.filterStats(result, sender.track, true)\n        );\n      });\n    };\n  }\n\n  // shim receiver stats.\n  if (!('getStats' in window.RTCRtpReceiver.prototype)) {\n    var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n    if (origGetReceivers) {\n      window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n        var _this7 = this;\n\n        var receivers = origGetReceivers.apply(this, []);\n        receivers.forEach(function (receiver) {\n          return receiver._pc = _this7;\n        });\n        return receivers;\n      };\n    }\n    utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n      e.receiver._pc = e.srcElement;\n      return e;\n    });\n    window.RTCRtpReceiver.prototype.getStats = function getStats() {\n      var receiver = this;\n      return this._pc.getStats().then(function (result) {\n        return utils.filterStats(result, receiver.track, false);\n      });\n    };\n  }\n\n  if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) {\n    return;\n  }\n\n  // shim RTCPeerConnection.getStats(track).\n  var origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {\n      var track = arguments[0];\n      var sender = void 0;\n      var receiver = void 0;\n      var err = void 0;\n      this.getSenders().forEach(function (s) {\n        if (s.track === track) {\n          if (sender) {\n            err = true;\n          } else {\n            sender = s;\n          }\n        }\n      });\n      this.getReceivers().forEach(function (r) {\n        if (r.track === track) {\n          if (receiver) {\n            err = true;\n          } else {\n            receiver = r;\n          }\n        }\n        return r.track === track;\n      });\n      if (err || sender && receiver) {\n        return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError'));\n      } else if (sender) {\n        return sender.getStats();\n      } else if (receiver) {\n        return receiver.getStats();\n      }\n      return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError'));\n    }\n    return origGetStats.apply(this, arguments);\n  };\n}\n\nfunction shimAddTrackRemoveTrackWithNative(window) {\n  // shim addTrack/removeTrack with native variants in order to make\n  // the interactions with legacy getLocalStreams behave as in other browsers.\n  // Keeps a mapping stream.id => [stream, rtpsenders...]\n  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n    var _this8 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    return Object.keys(this._shimmedLocalStreams).map(function (streamId) {\n      return _this8._shimmedLocalStreams[streamId][0];\n    });\n  };\n\n  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n    if (!stream) {\n      return origAddTrack.apply(this, arguments);\n    }\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    var sender = origAddTrack.apply(this, arguments);\n    if (!this._shimmedLocalStreams[stream.id]) {\n      this._shimmedLocalStreams[stream.id] = [stream, sender];\n    } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {\n      this._shimmedLocalStreams[stream.id].push(sender);\n    }\n    return sender;\n  };\n\n  var origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    var _this9 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    stream.getTracks().forEach(function (track) {\n      var alreadyExists = _this9.getSenders().find(function (s) {\n        return s.track === track;\n      });\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.', 'InvalidAccessError');\n      }\n    });\n    var existingSenders = this.getSenders();\n    origAddStream.apply(this, arguments);\n    var newSenders = this.getSenders().filter(function (newSender) {\n      return existingSenders.indexOf(newSender) === -1;\n    });\n    this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);\n  };\n\n  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    delete this._shimmedLocalStreams[stream.id];\n    return origRemoveStream.apply(this, arguments);\n  };\n\n  var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n    var _this10 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    if (sender) {\n      Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {\n        var idx = _this10._shimmedLocalStreams[streamId].indexOf(sender);\n        if (idx !== -1) {\n          _this10._shimmedLocalStreams[streamId].splice(idx, 1);\n        }\n        if (_this10._shimmedLocalStreams[streamId].length === 1) {\n          delete _this10._shimmedLocalStreams[streamId];\n        }\n      });\n    }\n    return origRemoveTrack.apply(this, arguments);\n  };\n}\n\nfunction shimAddTrackRemoveTrack(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n  // shim addTrack and removeTrack.\n  if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {\n    return shimAddTrackRemoveTrackWithNative(window);\n  }\n\n  // also shim pc.getLocalStreams when addTrack is shimmed\n  // to return the original streams.\n  var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;\n  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n    var _this11 = this;\n\n    var nativeStreams = origGetLocalStreams.apply(this);\n    this._reverseStreams = this._reverseStreams || {};\n    return nativeStreams.map(function (stream) {\n      return _this11._reverseStreams[stream.id];\n    });\n  };\n\n  var origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    var _this12 = this;\n\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    stream.getTracks().forEach(function (track) {\n      var alreadyExists = _this12.getSenders().find(function (s) {\n        return s.track === track;\n      });\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.', 'InvalidAccessError');\n      }\n    });\n    // Add identity mapping for consistency with addTrack.\n    // Unless this is being used with a stream from addTrack.\n    if (!this._reverseStreams[stream.id]) {\n      var newStream = new window.MediaStream(stream.getTracks());\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      stream = newStream;\n    }\n    origAddStream.apply(this, [stream]);\n  };\n\n  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    origRemoveStream.apply(this, [this._streams[stream.id] || stream]);\n    delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];\n    delete this._streams[stream.id];\n  };\n\n  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n    var _this13 = this;\n\n    if (this.signalingState === 'closed') {\n      throw new DOMException('The RTCPeerConnection\\'s signalingState is \\'closed\\'.', 'InvalidStateError');\n    }\n    var streams = [].slice.call(arguments, 1);\n    if (streams.length !== 1 || !streams[0].getTracks().find(function (t) {\n      return t === track;\n    })) {\n      // this is not fully correct but all we can manage without\n      // [[associated MediaStreams]] internal slot.\n      throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError');\n    }\n\n    var alreadyExists = this.getSenders().find(function (s) {\n      return s.track === track;\n    });\n    if (alreadyExists) {\n      throw new DOMException('Track already exists.', 'InvalidAccessError');\n    }\n\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n    var oldStream = this._streams[stream.id];\n    if (oldStream) {\n      // this is using odd Chrome behaviour, use with caution:\n      // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815\n      // Note: we rely on the high-level addTrack/dtmf shim to\n      // create the sender with a dtmf sender.\n      oldStream.addTrack(track);\n\n      // Trigger ONN async.\n      Promise.resolve().then(function () {\n        _this13.dispatchEvent(new Event('negotiationneeded'));\n      });\n    } else {\n      var newStream = new window.MediaStream([track]);\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      this.addStream(newStream);\n    }\n    return this.getSenders().find(function (s) {\n      return s.track === track;\n    });\n  };\n\n  // replace the internal stream id with the external one and\n  // vice versa.\n  function replaceInternalStreamId(pc, description) {\n    var sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {\n      var externalStream = pc._reverseStreams[internalId];\n      var internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp: sdp\n    });\n  }\n  function replaceExternalStreamId(pc, description) {\n    var sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {\n      var externalStream = pc._reverseStreams[internalId];\n      var internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp: sdp\n    });\n  }\n  ['createOffer', 'createAnswer'].forEach(function (method) {\n    var nativeMethod = window.RTCPeerConnection.prototype[method];\n    var methodObj = _defineProperty({}, method, function () {\n      var _this14 = this;\n\n      var args = arguments;\n      var isLegacyCall = arguments.length && typeof arguments[0] === 'function';\n      if (isLegacyCall) {\n        return nativeMethod.apply(this, [function (description) {\n          var desc = replaceInternalStreamId(_this14, description);\n          args[0].apply(null, [desc]);\n        }, function (err) {\n          if (args[1]) {\n            args[1].apply(null, err);\n          }\n        }, arguments[2]]);\n      }\n      return nativeMethod.apply(this, arguments).then(function (description) {\n        return replaceInternalStreamId(_this14, description);\n      });\n    });\n    window.RTCPeerConnection.prototype[method] = methodObj[method];\n  });\n\n  var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;\n  window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {\n    if (!arguments.length || !arguments[0].type) {\n      return origSetLocalDescription.apply(this, arguments);\n    }\n    arguments[0] = replaceExternalStreamId(this, arguments[0]);\n    return origSetLocalDescription.apply(this, arguments);\n  };\n\n  // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier\n\n  var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription');\n  Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', {\n    get: function get() {\n      var description = origLocalDescription.get.apply(this);\n      if (description.type === '') {\n        return description;\n      }\n      return replaceInternalStreamId(this, description);\n    }\n  });\n\n  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n    var _this15 = this;\n\n    if (this.signalingState === 'closed') {\n      throw new DOMException('The RTCPeerConnection\\'s signalingState is \\'closed\\'.', 'InvalidStateError');\n    }\n    // We can not yet check for sender instanceof RTCRtpSender\n    // since we shim RTPSender. So we check if sender._pc is set.\n    if (!sender._pc) {\n      throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError');\n    }\n    var isLocal = sender._pc === this;\n    if (!isLocal) {\n      throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError');\n    }\n\n    // Search for the native stream the senders track belongs to.\n    this._streams = this._streams || {};\n    var stream = void 0;\n    Object.keys(this._streams).forEach(function (streamid) {\n      var hasTrack = _this15._streams[streamid].getTracks().find(function (track) {\n        return sender.track === track;\n      });\n      if (hasTrack) {\n        stream = _this15._streams[streamid];\n      }\n    });\n\n    if (stream) {\n      if (stream.getTracks().length === 1) {\n        // if this is the last track of the stream, remove the stream. This\n        // takes care of any shimmed _senders.\n        this.removeStream(this._reverseStreams[stream.id]);\n      } else {\n        // relying on the same odd chrome behaviour as above.\n        stream.removeTrack(sender.track);\n      }\n      this.dispatchEvent(new Event('negotiationneeded'));\n    }\n  };\n}\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.webkitRTCPeerConnection;\n  }\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  // shim implicit creation of RTCSessionDescription/RTCIceCandidate\n  if (browserDetails.version < 53) {\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {\n      var nativeMethod = window.RTCPeerConnection.prototype[method];\n      var methodObj = _defineProperty({}, method, function () {\n        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n        return nativeMethod.apply(this, arguments);\n      });\n      window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n  }\n\n  // support for addIceCandidate(null or undefined)\n  var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n  window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n    if (!arguments[0]) {\n      if (arguments[1]) {\n        arguments[1].apply(null);\n      }\n      return Promise.resolve();\n    }\n    // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n    // in older versions. Native support planned for Chrome M77.\n    if (browserDetails.version < 78 && arguments[0] && arguments[0].candidate === '') {\n      return Promise.resolve();\n    }\n    return nativeAddIceCandidate.apply(this, arguments);\n  };\n}\n\nfunction fixNegotiationNeeded(window) {\n  utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {\n    var pc = e.target;\n    if (pc.signalingState !== 'stable') {\n      return;\n    }\n    return e;\n  });\n}\n\n},{\"../utils.js\":15,\"./getdisplaymedia\":4,\"./getusermedia\":5}],4:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window, getSourceId) {\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  // getSourceId is a function that returns a promise resolving with\n  // the sourceId of the screen/window/tab to be shared.\n  if (typeof getSourceId !== 'function') {\n    console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n    return getSourceId(constraints).then(function (sourceId) {\n      var widthSpecified = constraints.video && constraints.video.width;\n      var heightSpecified = constraints.video && constraints.video.height;\n      var frameRateSpecified = constraints.video && constraints.video.frameRate;\n      constraints.video = {\n        mandatory: {\n          chromeMediaSource: 'desktop',\n          chromeMediaSourceId: sourceId,\n          maxFrameRate: frameRateSpecified || 3\n        }\n      };\n      if (widthSpecified) {\n        constraints.video.mandatory.maxWidth = widthSpecified;\n      }\n      if (heightSpecified) {\n        constraints.video.mandatory.maxHeight = heightSpecified;\n      }\n      return window.navigator.mediaDevices.getUserMedia(constraints);\n    });\n  };\n}\n\n},{}],5:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimGetUserMedia = shimGetUserMedia;\n\nvar _utils = require('../utils.js');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nvar logging = utils.log;\n\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  if (!navigator.mediaDevices) {\n    return;\n  }\n\n  var browserDetails = utils.detectBrowser(window);\n\n  var constraintsToChrome_ = function constraintsToChrome_(c) {\n    if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) {\n      return c;\n    }\n    var cc = {};\n    Object.keys(c).forEach(function (key) {\n      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {\n        return;\n      }\n      var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] };\n      if (r.exact !== undefined && typeof r.exact === 'number') {\n        r.min = r.max = r.exact;\n      }\n      var oldname_ = function oldname_(prefix, name) {\n        if (prefix) {\n          return prefix + name.charAt(0).toUpperCase() + name.slice(1);\n        }\n        return name === 'deviceId' ? 'sourceId' : name;\n      };\n      if (r.ideal !== undefined) {\n        cc.optional = cc.optional || [];\n        var oc = {};\n        if (typeof r.ideal === 'number') {\n          oc[oldname_('min', key)] = r.ideal;\n          cc.optional.push(oc);\n          oc = {};\n          oc[oldname_('max', key)] = r.ideal;\n          cc.optional.push(oc);\n        } else {\n          oc[oldname_('', key)] = r.ideal;\n          cc.optional.push(oc);\n        }\n      }\n      if (r.exact !== undefined && typeof r.exact !== 'number') {\n        cc.mandatory = cc.mandatory || {};\n        cc.mandatory[oldname_('', key)] = r.exact;\n      } else {\n        ['min', 'max'].forEach(function (mix) {\n          if (r[mix] !== undefined) {\n            cc.mandatory = cc.mandatory || {};\n            cc.mandatory[oldname_(mix, key)] = r[mix];\n          }\n        });\n      }\n    });\n    if (c.advanced) {\n      cc.optional = (cc.optional || []).concat(c.advanced);\n    }\n    return cc;\n  };\n\n  var shimConstraints_ = function shimConstraints_(constraints, func) {\n    if (browserDetails.version >= 61) {\n      return func(constraints);\n    }\n    constraints = JSON.parse(JSON.stringify(constraints));\n    if (constraints && _typeof(constraints.audio) === 'object') {\n      var remap = function remap(obj, a, b) {\n        if (a in obj && !(b in obj)) {\n          obj[b] = obj[a];\n          delete obj[a];\n        }\n      };\n      constraints = JSON.parse(JSON.stringify(constraints));\n      remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');\n      remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');\n      constraints.audio = constraintsToChrome_(constraints.audio);\n    }\n    if (constraints && _typeof(constraints.video) === 'object') {\n      // Shim facingMode for mobile & surface pro.\n      var face = constraints.video.facingMode;\n      face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face });\n      var getSupportedFacingModeLies = browserDetails.version < 66;\n\n      if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {\n        delete constraints.video.facingMode;\n        var matches = void 0;\n        if (face.exact === 'environment' || face.ideal === 'environment') {\n          matches = ['back', 'rear'];\n        } else if (face.exact === 'user' || face.ideal === 'user') {\n          matches = ['front'];\n        }\n        if (matches) {\n          // Look for matches in label, or use last cam for back (typical).\n          return navigator.mediaDevices.enumerateDevices().then(function (devices) {\n            devices = devices.filter(function (d) {\n              return d.kind === 'videoinput';\n            });\n            var dev = devices.find(function (d) {\n              return matches.some(function (match) {\n                return d.label.toLowerCase().includes(match);\n              });\n            });\n            if (!dev && devices.length && matches.includes('back')) {\n              dev = devices[devices.length - 1]; // more likely the back cam\n            }\n            if (dev) {\n              constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId };\n            }\n            constraints.video = constraintsToChrome_(constraints.video);\n            logging('chrome: ' + JSON.stringify(constraints));\n            return func(constraints);\n          });\n        }\n      }\n      constraints.video = constraintsToChrome_(constraints.video);\n    }\n    logging('chrome: ' + JSON.stringify(constraints));\n    return func(constraints);\n  };\n\n  var shimError_ = function shimError_(e) {\n    if (browserDetails.version >= 64) {\n      return e;\n    }\n    return {\n      name: {\n        PermissionDeniedError: 'NotAllowedError',\n        PermissionDismissedError: 'NotAllowedError',\n        InvalidStateError: 'NotAllowedError',\n        DevicesNotFoundError: 'NotFoundError',\n        ConstraintNotSatisfiedError: 'OverconstrainedError',\n        TrackStartError: 'NotReadableError',\n        MediaDeviceFailedDueToShutdown: 'NotAllowedError',\n        MediaDeviceKillSwitchOn: 'NotAllowedError',\n        TabCaptureError: 'AbortError',\n        ScreenCaptureError: 'AbortError',\n        DeviceCaptureError: 'AbortError'\n      }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint || e.constraintName,\n      toString: function toString() {\n        return this.name + (this.message && ': ') + this.message;\n      }\n    };\n  };\n\n  var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) {\n    shimConstraints_(constraints, function (c) {\n      navigator.webkitGetUserMedia(c, onSuccess, function (e) {\n        if (onError) {\n          onError(shimError_(e));\n        }\n      });\n    });\n  };\n  navigator.getUserMedia = getUserMedia_.bind(navigator);\n\n  // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia\n  // function which returns a Promise, it does not accept spec-style\n  // constraints.\n  if (navigator.mediaDevices.getUserMedia) {\n    var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (cs) {\n      return shimConstraints_(cs, function (c) {\n        return origGetUserMedia(c).then(function (stream) {\n          if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {\n            stream.getTracks().forEach(function (track) {\n              track.stop();\n            });\n            throw new DOMException('', 'NotFoundError');\n          }\n          return stream;\n        }, function (e) {\n          return Promise.reject(shimError_(e));\n        });\n      });\n    };\n  }\n}\n\n},{\"../utils.js\":15}],6:[function(require,module,exports){\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimRTCIceCandidate = shimRTCIceCandidate;\nexports.shimMaxMessageSize = shimMaxMessageSize;\nexports.shimSendThrowTypeError = shimSendThrowTypeError;\nexports.shimConnectionState = shimConnectionState;\nexports.removeAllowExtmapMixed = removeAllowExtmapMixed;\n\nvar _sdp = require('sdp');\n\nvar _sdp2 = _interopRequireDefault(_sdp);\n\nvar _utils = require('./utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction shimRTCIceCandidate(window) {\n  // foundation is arbitrarily chosen as an indicator for full support for\n  // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface\n  if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {\n    return;\n  }\n\n  var NativeRTCIceCandidate = window.RTCIceCandidate;\n  window.RTCIceCandidate = function RTCIceCandidate(args) {\n    // Remove the a= which shouldn't be part of the candidate string.\n    if ((typeof args === 'undefined' ? 'undefined' : _typeof(args)) === 'object' && args.candidate && args.candidate.indexOf('a=') === 0) {\n      args = JSON.parse(JSON.stringify(args));\n      args.candidate = args.candidate.substr(2);\n    }\n\n    if (args.candidate && args.candidate.length) {\n      // Augment the native candidate with the parsed fields.\n      var nativeCandidate = new NativeRTCIceCandidate(args);\n      var parsedCandidate = _sdp2.default.parseCandidate(args.candidate);\n      var augmentedCandidate = Object.assign(nativeCandidate, parsedCandidate);\n\n      // Add a serializer that does not serialize the extra attributes.\n      augmentedCandidate.toJSON = function toJSON() {\n        return {\n          candidate: augmentedCandidate.candidate,\n          sdpMid: augmentedCandidate.sdpMid,\n          sdpMLineIndex: augmentedCandidate.sdpMLineIndex,\n          usernameFragment: augmentedCandidate.usernameFragment\n        };\n      };\n      return augmentedCandidate;\n    }\n    return new NativeRTCIceCandidate(args);\n  };\n  window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;\n\n  // Hook up the augmented candidate in onicecandidate and\n  // addEventListener('icecandidate', ...)\n  utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {\n    if (e.candidate) {\n      Object.defineProperty(e, 'candidate', {\n        value: new window.RTCIceCandidate(e.candidate),\n        writable: 'false'\n      });\n    }\n    return e;\n  });\n}\n\nfunction shimMaxMessageSize(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n\n  if (!('sctp' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {\n      get: function get() {\n        return typeof this._sctp === 'undefined' ? null : this._sctp;\n      }\n    });\n  }\n\n  var sctpInDescription = function sctpInDescription(description) {\n    if (!description || !description.sdp) {\n      return false;\n    }\n    var sections = _sdp2.default.splitSections(description.sdp);\n    sections.shift();\n    return sections.some(function (mediaSection) {\n      var mLine = _sdp2.default.parseMLine(mediaSection);\n      return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1;\n    });\n  };\n\n  var getRemoteFirefoxVersion = function getRemoteFirefoxVersion(description) {\n    // TODO: Is there a better solution for detecting Firefox?\n    var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\\d+)/);\n    if (match === null || match.length < 2) {\n      return -1;\n    }\n    var version = parseInt(match[1], 10);\n    // Test for NaN (yes, this is ugly)\n    return version !== version ? -1 : version;\n  };\n\n  var getCanSendMaxMessageSize = function getCanSendMaxMessageSize(remoteIsFirefox) {\n    // Every implementation we know can send at least 64 KiB.\n    // Note: Although Chrome is technically able to send up to 256 KiB, the\n    //       data does not reach the other peer reliably.\n    //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419\n    var canSendMaxMessageSize = 65536;\n    if (browserDetails.browser === 'firefox') {\n      if (browserDetails.version < 57) {\n        if (remoteIsFirefox === -1) {\n          // FF < 57 will send in 16 KiB chunks using the deprecated PPID\n          // fragmentation.\n          canSendMaxMessageSize = 16384;\n        } else {\n          // However, other FF (and RAWRTC) can reassemble PPID-fragmented\n          // messages. Thus, supporting ~2 GiB when sending.\n          canSendMaxMessageSize = 2147483637;\n        }\n      } else if (browserDetails.version < 60) {\n        // Currently, all FF >= 57 will reset the remote maximum message size\n        // to the default value when a data channel is created at a later\n        // stage. :(\n        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n        canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;\n      } else {\n        // FF >= 60 supports sending ~2 GiB\n        canSendMaxMessageSize = 2147483637;\n      }\n    }\n    return canSendMaxMessageSize;\n  };\n\n  var getMaxMessageSize = function getMaxMessageSize(description, remoteIsFirefox) {\n    // Note: 65536 bytes is the default value from the SDP spec. Also,\n    //       every implementation we know supports receiving 65536 bytes.\n    var maxMessageSize = 65536;\n\n    // FF 57 has a slightly incorrect default remote max message size, so\n    // we need to adjust it here to avoid a failure when sending.\n    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697\n    if (browserDetails.browser === 'firefox' && browserDetails.version === 57) {\n      maxMessageSize = 65535;\n    }\n\n    var match = _sdp2.default.matchPrefix(description.sdp, 'a=max-message-size:');\n    if (match.length > 0) {\n      maxMessageSize = parseInt(match[0].substr(19), 10);\n    } else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) {\n      // If the maximum message size is not present in the remote SDP and\n      // both local and remote are Firefox, the remote peer can receive\n      // ~2 GiB.\n      maxMessageSize = 2147483637;\n    }\n    return maxMessageSize;\n  };\n\n  var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n    this._sctp = null;\n    // Chrome decided to not expose .sctp in plan-b mode.\n    // As usual, adapter.js has to do an 'ugly worakaround'\n    // to cover up the mess.\n    if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {\n      var _getConfiguration = this.getConfiguration(),\n          sdpSemantics = _getConfiguration.sdpSemantics;\n\n      if (sdpSemantics === 'plan-b') {\n        Object.defineProperty(this, 'sctp', {\n          get: function get() {\n            return typeof this._sctp === 'undefined' ? null : this._sctp;\n          },\n\n          enumerable: true,\n          configurable: true\n        });\n      }\n    }\n\n    if (sctpInDescription(arguments[0])) {\n      // Check if the remote is FF.\n      var isFirefox = getRemoteFirefoxVersion(arguments[0]);\n\n      // Get the maximum message size the local peer is capable of sending\n      var canSendMMS = getCanSendMaxMessageSize(isFirefox);\n\n      // Get the maximum message size of the remote peer.\n      var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);\n\n      // Determine final maximum message size\n      var maxMessageSize = void 0;\n      if (canSendMMS === 0 && remoteMMS === 0) {\n        maxMessageSize = Number.POSITIVE_INFINITY;\n      } else if (canSendMMS === 0 || remoteMMS === 0) {\n        maxMessageSize = Math.max(canSendMMS, remoteMMS);\n      } else {\n        maxMessageSize = Math.min(canSendMMS, remoteMMS);\n      }\n\n      // Create a dummy RTCSctpTransport object and the 'maxMessageSize'\n      // attribute.\n      var sctp = {};\n      Object.defineProperty(sctp, 'maxMessageSize', {\n        get: function get() {\n          return maxMessageSize;\n        }\n      });\n      this._sctp = sctp;\n    }\n\n    return origSetRemoteDescription.apply(this, arguments);\n  };\n}\n\nfunction shimSendThrowTypeError(window) {\n  if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) {\n    return;\n  }\n\n  // Note: Although Firefox >= 57 has a native implementation, the maximum\n  //       message size can be reset for all data channels at a later stage.\n  //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n\n  function wrapDcSend(dc, pc) {\n    var origDataChannelSend = dc.send;\n    dc.send = function send() {\n      var data = arguments[0];\n      var length = data.length || data.size || data.byteLength;\n      if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) {\n        throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)');\n      }\n      return origDataChannelSend.apply(dc, arguments);\n    };\n  }\n  var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;\n  window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {\n    var dataChannel = origCreateDataChannel.apply(this, arguments);\n    wrapDcSend(dataChannel, this);\n    return dataChannel;\n  };\n  utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {\n    wrapDcSend(e.channel, e.target);\n    return e;\n  });\n}\n\n/* shims RTCConnectionState by pretending it is the same as iceConnectionState.\n * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12\n * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect\n * since DTLS failures would be hidden. See\n * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827\n * for the Firefox tracking bug.\n */\nfunction shimConnectionState(window) {\n  if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  var proto = window.RTCPeerConnection.prototype;\n  Object.defineProperty(proto, 'connectionState', {\n    get: function get() {\n      return {\n        completed: 'connected',\n        checking: 'connecting'\n      }[this.iceConnectionState] || this.iceConnectionState;\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n  Object.defineProperty(proto, 'onconnectionstatechange', {\n    get: function get() {\n      return this._onconnectionstatechange || null;\n    },\n    set: function set(cb) {\n      if (this._onconnectionstatechange) {\n        this.removeEventListener('connectionstatechange', this._onconnectionstatechange);\n        delete this._onconnectionstatechange;\n      }\n      if (cb) {\n        this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);\n      }\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n\n  ['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {\n    var origMethod = proto[method];\n    proto[method] = function () {\n      if (!this._connectionstatechangepoly) {\n        this._connectionstatechangepoly = function (e) {\n          var pc = e.target;\n          if (pc._lastConnectionState !== pc.connectionState) {\n            pc._lastConnectionState = pc.connectionState;\n            var newEvent = new Event('connectionstatechange', e);\n            pc.dispatchEvent(newEvent);\n          }\n          return e;\n        };\n        this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);\n      }\n      return origMethod.apply(this, arguments);\n    };\n  });\n}\n\nfunction removeAllowExtmapMixed(window) {\n  /* remove a=extmap-allow-mixed for Chrome < M71 */\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n  if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {\n    return;\n  }\n  var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {\n    if (desc && desc.sdp && desc.sdp.indexOf('\\na=extmap-allow-mixed') !== -1) {\n      desc.sdp = desc.sdp.split('\\n').filter(function (line) {\n        return line.trim() !== 'a=extmap-allow-mixed';\n      }).join('\\n');\n    }\n    return nativeSRD.apply(this, arguments);\n  };\n}\n\n},{\"./utils\":15,\"sdp\":17}],7:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimPeerConnection = shimPeerConnection;\nexports.shimReplaceTrack = shimReplaceTrack;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nvar _filtericeservers = require('./filtericeservers');\n\nvar _rtcpeerconnectionShim = require('rtcpeerconnection-shim');\n\nvar _rtcpeerconnectionShim2 = _interopRequireDefault(_rtcpeerconnectionShim);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if (window.RTCIceGatherer) {\n    if (!window.RTCIceCandidate) {\n      window.RTCIceCandidate = function RTCIceCandidate(args) {\n        return args;\n      };\n    }\n    if (!window.RTCSessionDescription) {\n      window.RTCSessionDescription = function RTCSessionDescription(args) {\n        return args;\n      };\n    }\n    // this adds an additional event listener to MediaStrackTrack that signals\n    // when a tracks enabled property was changed. Workaround for a bug in\n    // addStream, see below. No longer required in 15025+\n    if (browserDetails.version < 15025) {\n      var origMSTEnabled = Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype, 'enabled');\n      Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {\n        set: function set(value) {\n          origMSTEnabled.set.call(this, value);\n          var ev = new Event('enabled');\n          ev.enabled = value;\n          this.dispatchEvent(ev);\n        }\n      });\n    }\n  }\n\n  // ORTC defines the DTMF sender a bit different.\n  // https://github.com/w3c/ortc/issues/714\n  if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get: function get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = new window.RTCDtmfSender(this);\n          } else if (this.track.kind === 'video') {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n  // Edge currently only implements the RTCDtmfSender, not the\n  // RTCDTMFSender alias. See http://draft.ortc.org/#rtcdtmfsender2*\n  if (window.RTCDtmfSender && !window.RTCDTMFSender) {\n    window.RTCDTMFSender = window.RTCDtmfSender;\n  }\n\n  var RTCPeerConnectionShim = (0, _rtcpeerconnectionShim2.default)(window, browserDetails.version);\n  window.RTCPeerConnection = function RTCPeerConnection(config) {\n    if (config && config.iceServers) {\n      config.iceServers = (0, _filtericeservers.filterIceServers)(config.iceServers, browserDetails.version);\n      utils.log('ICE servers after filtering:', config.iceServers);\n    }\n    return new RTCPeerConnectionShim(config);\n  };\n  window.RTCPeerConnection.prototype = RTCPeerConnectionShim.prototype;\n}\n\nfunction shimReplaceTrack(window) {\n  // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614\n  if (window.RTCRtpSender && !('replaceTrack' in window.RTCRtpSender.prototype)) {\n    window.RTCRtpSender.prototype.replaceTrack = window.RTCRtpSender.prototype.setTrack;\n  }\n}\n\n},{\"../utils\":15,\"./filtericeservers\":8,\"./getdisplaymedia\":9,\"./getusermedia\":10,\"rtcpeerconnection-shim\":16}],8:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.filterIceServers = filterIceServers;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\n// Edge does not like\n// 1) stun: filtered after 14393 unless ?transport=udp is present\n// 2) turn: that does not have all of turn:host:port?transport=udp\n// 3) turn: with ipv6 addresses\n// 4) turn: occurring muliple times\nfunction filterIceServers(iceServers, edgeVersion) {\n  var hasTurn = false;\n  iceServers = JSON.parse(JSON.stringify(iceServers));\n  return iceServers.filter(function (server) {\n    if (server && (server.urls || server.url)) {\n      var urls = server.urls || server.url;\n      if (server.url && !server.urls) {\n        utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n      }\n      var isString = typeof urls === 'string';\n      if (isString) {\n        urls = [urls];\n      }\n      urls = urls.filter(function (url) {\n        // filter STUN unconditionally.\n        if (url.indexOf('stun:') === 0) {\n          return false;\n        }\n\n        var validTurn = url.startsWith('turn') && !url.startsWith('turn:[') && url.includes('transport=udp');\n        if (validTurn && !hasTurn) {\n          hasTurn = true;\n          return true;\n        }\n        return validTurn && !hasTurn;\n      });\n\n      delete server.url;\n      server.urls = isString ? urls[0] : urls;\n      return !!urls.length;\n    }\n  });\n}\n\n},{\"../utils\":15}],9:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window) {\n  if (!('getDisplayMedia' in window.navigator)) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = window.navigator.getDisplayMedia.bind(window.navigator);\n}\n\n},{}],10:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetUserMedia = shimGetUserMedia;\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  var shimError_ = function shimError_(e) {\n    return {\n      name: { PermissionDeniedError: 'NotAllowedError' }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint,\n      toString: function toString() {\n        return this.name;\n      }\n    };\n  };\n\n  // getUserMedia error shim.\n  var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n  navigator.mediaDevices.getUserMedia = function (c) {\n    return origGetUserMedia(c).catch(function (e) {\n      return Promise.reject(shimError_(e));\n    });\n  };\n}\n\n},{}],11:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimOnTrack = shimOnTrack;\nexports.shimPeerConnection = shimPeerConnection;\nexports.shimSenderGetStats = shimSenderGetStats;\nexports.shimReceiverGetStats = shimReceiverGetStats;\nexports.shimRemoveStream = shimRemoveStream;\nexports.shimRTCDataChannel = shimRTCDataChannel;\nexports.shimAddTransceiver = shimAddTransceiver;\nexports.shimCreateOffer = shimCreateOffer;\nexports.shimCreateAnswer = shimCreateAnswer;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction shimOnTrack(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get: function get() {\n        return { receiver: this.receiver };\n      }\n    });\n  }\n}\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {\n    return; // probably media.peerconnection.enabled=false in about:config\n  }\n  if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.mozRTCPeerConnection;\n  }\n\n  if (browserDetails.version < 53) {\n    // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {\n      var nativeMethod = window.RTCPeerConnection.prototype[method];\n      var methodObj = _defineProperty({}, method, function () {\n        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n        return nativeMethod.apply(this, arguments);\n      });\n      window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n  }\n\n  // support for addIceCandidate(null or undefined)\n  // as well as ignoring {sdpMid, candidate: \"\"}\n  if (browserDetails.version < 68) {\n    var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n    window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n      if (!arguments[0]) {\n        if (arguments[1]) {\n          arguments[1].apply(null);\n        }\n        return Promise.resolve();\n      }\n      // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n      // in older versions.\n      if (arguments[0] && arguments[0].candidate === '') {\n        return Promise.resolve();\n      }\n      return nativeAddIceCandidate.apply(this, arguments);\n    };\n  }\n\n  var modernStatsTypes = {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  };\n\n  var nativeGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    var _arguments = Array.prototype.slice.call(arguments),\n        selector = _arguments[0],\n        onSucc = _arguments[1],\n        onErr = _arguments[2];\n\n    return nativeGetStats.apply(this, [selector || null]).then(function (stats) {\n      if (browserDetails.version < 53 && !onSucc) {\n        // Shim only promise getStats with spec-hyphens in type names\n        // Leave callback version alone; misc old uses of forEach before Map\n        try {\n          stats.forEach(function (stat) {\n            stat.type = modernStatsTypes[stat.type] || stat.type;\n          });\n        } catch (e) {\n          if (e.name !== 'TypeError') {\n            throw e;\n          }\n          // Avoid TypeError: \"type\" is read-only, in old versions. 34-43ish\n          stats.forEach(function (stat, i) {\n            stats.set(i, Object.assign({}, stat, {\n              type: modernStatsTypes[stat.type] || stat.type\n            }));\n          });\n        }\n      }\n      return stats;\n    }).then(onSucc, onErr);\n  };\n}\n\nfunction shimSenderGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {\n    return;\n  }\n  var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n  if (origGetSenders) {\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      var _this = this;\n\n      var senders = origGetSenders.apply(this, []);\n      senders.forEach(function (sender) {\n        return sender._pc = _this;\n      });\n      return senders;\n    };\n  }\n\n  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  if (origAddTrack) {\n    window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n      var sender = origAddTrack.apply(this, arguments);\n      sender._pc = this;\n      return sender;\n    };\n  }\n  window.RTCRtpSender.prototype.getStats = function getStats() {\n    return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());\n  };\n}\n\nfunction shimReceiverGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {\n    return;\n  }\n  var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n  if (origGetReceivers) {\n    window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n      var _this2 = this;\n\n      var receivers = origGetReceivers.apply(this, []);\n      receivers.forEach(function (receiver) {\n        return receiver._pc = _this2;\n      });\n      return receivers;\n    };\n  }\n  utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n    e.receiver._pc = e.srcElement;\n    return e;\n  });\n  window.RTCRtpReceiver.prototype.getStats = function getStats() {\n    return this._pc.getStats(this.track);\n  };\n}\n\nfunction shimRemoveStream(window) {\n  if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    var _this3 = this;\n\n    utils.deprecated('removeStream', 'removeTrack');\n    this.getSenders().forEach(function (sender) {\n      if (sender.track && stream.getTracks().includes(sender.track)) {\n        _this3.removeTrack(sender);\n      }\n    });\n  };\n}\n\nfunction shimRTCDataChannel(window) {\n  // rename DataChannel to RTCDataChannel (native fix in FF60):\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851\n  if (window.DataChannel && !window.RTCDataChannel) {\n    window.RTCDataChannel = window.DataChannel;\n  }\n}\n\nfunction shimAddTransceiver(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;\n  if (origAddTransceiver) {\n    window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() {\n      this.setParametersPromises = [];\n      var initParameters = arguments[1];\n      var shouldPerformCheck = initParameters && 'sendEncodings' in initParameters;\n      if (shouldPerformCheck) {\n        // If sendEncodings params are provided, validate grammar\n        initParameters.sendEncodings.forEach(function (encodingParam) {\n          if ('rid' in encodingParam) {\n            var ridRegex = /^[a-z0-9]{0,16}$/i;\n            if (!ridRegex.test(encodingParam.rid)) {\n              throw new TypeError('Invalid RID value provided.');\n            }\n          }\n          if ('scaleResolutionDownBy' in encodingParam) {\n            if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {\n              throw new RangeError('scale_resolution_down_by must be >= 1.0');\n            }\n          }\n          if ('maxFramerate' in encodingParam) {\n            if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {\n              throw new RangeError('max_framerate must be >= 0.0');\n            }\n          }\n        });\n      }\n      var transceiver = origAddTransceiver.apply(this, arguments);\n      if (shouldPerformCheck) {\n        // Check if the init options were applied. If not we do this in an\n        // asynchronous way and save the promise reference in a global object.\n        // This is an ugly hack, but at the same time is way more robust than\n        // checking the sender parameters before and after the createOffer\n        // Also note that after the createoffer we are not 100% sure that\n        // the params were asynchronously applied so we might miss the\n        // opportunity to recreate offer.\n        var sender = transceiver.sender;\n\n        var params = sender.getParameters();\n        if (!('encodings' in params)) {\n          params.encodings = initParameters.sendEncodings;\n          this.setParametersPromises.push(sender.setParameters(params).catch(function () {}));\n        }\n      }\n      return transceiver;\n    };\n  }\n}\n\nfunction shimCreateOffer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer() {\n    var _this4 = this,\n        _arguments2 = arguments;\n\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises).then(function () {\n        return origCreateOffer.apply(_this4, _arguments2);\n      }).finally(function () {\n        _this4.setParametersPromises = [];\n      });\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\nfunction shimCreateAnswer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;\n  window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {\n    var _this5 = this,\n        _arguments3 = arguments;\n\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises).then(function () {\n        return origCreateAnswer.apply(_this5, _arguments3);\n      }).finally(function () {\n        _this5.setParametersPromises = [];\n      });\n    }\n    return origCreateAnswer.apply(this, arguments);\n  };\n}\n\n},{\"../utils\":15,\"./getdisplaymedia\":12,\"./getusermedia\":13}],12:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window, preferredMediaSource) {\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n    if (!(constraints && constraints.video)) {\n      var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');\n      err.name = 'NotFoundError';\n      // from https://heycam.github.io/webidl/#idl-DOMException-error-names\n      err.code = 8;\n      return Promise.reject(err);\n    }\n    if (constraints.video === true) {\n      constraints.video = { mediaSource: preferredMediaSource };\n    } else {\n      constraints.video.mediaSource = preferredMediaSource;\n    }\n    return window.navigator.mediaDevices.getUserMedia(constraints);\n  };\n}\n\n},{}],13:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimGetUserMedia = shimGetUserMedia;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimGetUserMedia(window) {\n  var browserDetails = utils.detectBrowser(window);\n  var navigator = window && window.navigator;\n  var MediaStreamTrack = window && window.MediaStreamTrack;\n\n  navigator.getUserMedia = function (constraints, onSuccess, onError) {\n    // Replace Firefox 44+'s deprecation warning with unprefixed version.\n    utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');\n    navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);\n  };\n\n  if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {\n    var remap = function remap(obj, a, b) {\n      if (a in obj && !(b in obj)) {\n        obj[b] = obj[a];\n        delete obj[a];\n      }\n    };\n\n    var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (c) {\n      if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') {\n        c = JSON.parse(JSON.stringify(c));\n        remap(c.audio, 'autoGainControl', 'mozAutoGainControl');\n        remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');\n      }\n      return nativeGetUserMedia(c);\n    };\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {\n      var nativeGetSettings = MediaStreamTrack.prototype.getSettings;\n      MediaStreamTrack.prototype.getSettings = function () {\n        var obj = nativeGetSettings.apply(this, arguments);\n        remap(obj, 'mozAutoGainControl', 'autoGainControl');\n        remap(obj, 'mozNoiseSuppression', 'noiseSuppression');\n        return obj;\n      };\n    }\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {\n      var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;\n      MediaStreamTrack.prototype.applyConstraints = function (c) {\n        if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') {\n          c = JSON.parse(JSON.stringify(c));\n          remap(c, 'autoGainControl', 'mozAutoGainControl');\n          remap(c, 'noiseSuppression', 'mozNoiseSuppression');\n        }\n        return nativeApplyConstraints.apply(this, [c]);\n      };\n    }\n  }\n}\n\n},{\"../utils\":15}],14:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimLocalStreamsAPI = shimLocalStreamsAPI;\nexports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;\nexports.shimCallbacksAPI = shimCallbacksAPI;\nexports.shimGetUserMedia = shimGetUserMedia;\nexports.shimConstraints = shimConstraints;\nexports.shimRTCIceServerUrls = shimRTCIceServerUrls;\nexports.shimTrackEventTransceiver = shimTrackEventTransceiver;\nexports.shimCreateOfferLegacy = shimCreateOfferLegacy;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimLocalStreamsAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      return this._localStreams;\n    };\n  }\n  if (!('addStream' in window.RTCPeerConnection.prototype)) {\n    var _addTrack = window.RTCPeerConnection.prototype.addTrack;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      var _this = this;\n\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      if (!this._localStreams.includes(stream)) {\n        this._localStreams.push(stream);\n      }\n      // Try to emulate Chrome's behaviour of adding in audio-video order.\n      // Safari orders by track id.\n      stream.getAudioTracks().forEach(function (track) {\n        return _addTrack.call(_this, track, stream);\n      });\n      stream.getVideoTracks().forEach(function (track) {\n        return _addTrack.call(_this, track, stream);\n      });\n    };\n\n    window.RTCPeerConnection.prototype.addTrack = function addTrack(track) {\n      var stream = arguments[1];\n      if (stream) {\n        if (!this._localStreams) {\n          this._localStreams = [stream];\n        } else if (!this._localStreams.includes(stream)) {\n          this._localStreams.push(stream);\n        }\n      }\n      return _addTrack.apply(this, arguments);\n    };\n  }\n  if (!('removeStream' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n      var _this2 = this;\n\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      var index = this._localStreams.indexOf(stream);\n      if (index === -1) {\n        return;\n      }\n      this._localStreams.splice(index, 1);\n      var tracks = stream.getTracks();\n      this.getSenders().forEach(function (sender) {\n        if (tracks.includes(sender.track)) {\n          _this2.removeTrack(sender);\n        }\n      });\n    };\n  }\n}\n\nfunction shimRemoteStreamsAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {\n      return this._remoteStreams ? this._remoteStreams : [];\n    };\n  }\n  if (!('onaddstream' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {\n      get: function get() {\n        return this._onaddstream;\n      },\n      set: function set(f) {\n        var _this3 = this;\n\n        if (this._onaddstream) {\n          this.removeEventListener('addstream', this._onaddstream);\n          this.removeEventListener('track', this._onaddstreampoly);\n        }\n        this.addEventListener('addstream', this._onaddstream = f);\n        this.addEventListener('track', this._onaddstreampoly = function (e) {\n          e.streams.forEach(function (stream) {\n            if (!_this3._remoteStreams) {\n              _this3._remoteStreams = [];\n            }\n            if (_this3._remoteStreams.includes(stream)) {\n              return;\n            }\n            _this3._remoteStreams.push(stream);\n            var event = new Event('addstream');\n            event.stream = stream;\n            _this3.dispatchEvent(event);\n          });\n        });\n      }\n    });\n    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n      var pc = this;\n      if (!this._onaddstreampoly) {\n        this.addEventListener('track', this._onaddstreampoly = function (e) {\n          e.streams.forEach(function (stream) {\n            if (!pc._remoteStreams) {\n              pc._remoteStreams = [];\n            }\n            if (pc._remoteStreams.indexOf(stream) >= 0) {\n              return;\n            }\n            pc._remoteStreams.push(stream);\n            var event = new Event('addstream');\n            event.stream = stream;\n            pc.dispatchEvent(event);\n          });\n        });\n      }\n      return origSetRemoteDescription.apply(pc, arguments);\n    };\n  }\n}\n\nfunction shimCallbacksAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  var prototype = window.RTCPeerConnection.prototype;\n  var origCreateOffer = prototype.createOffer;\n  var origCreateAnswer = prototype.createAnswer;\n  var setLocalDescription = prototype.setLocalDescription;\n  var setRemoteDescription = prototype.setRemoteDescription;\n  var addIceCandidate = prototype.addIceCandidate;\n\n  prototype.createOffer = function createOffer(successCallback, failureCallback) {\n    var options = arguments.length >= 2 ? arguments[2] : arguments[0];\n    var promise = origCreateOffer.apply(this, [options]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n\n  prototype.createAnswer = function createAnswer(successCallback, failureCallback) {\n    var options = arguments.length >= 2 ? arguments[2] : arguments[0];\n    var promise = origCreateAnswer.apply(this, [options]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n\n  var withCallback = function withCallback(description, successCallback, failureCallback) {\n    var promise = setLocalDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setLocalDescription = withCallback;\n\n  withCallback = function withCallback(description, successCallback, failureCallback) {\n    var promise = setRemoteDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setRemoteDescription = withCallback;\n\n  withCallback = function withCallback(candidate, successCallback, failureCallback) {\n    var promise = addIceCandidate.apply(this, [candidate]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.addIceCandidate = withCallback;\n}\n\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    // shim not needed in Safari 12.1\n    var mediaDevices = navigator.mediaDevices;\n    var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (constraints) {\n      return _getUserMedia(shimConstraints(constraints));\n    };\n  }\n\n  if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {\n      navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);\n    }.bind(navigator);\n  }\n}\n\nfunction shimConstraints(constraints) {\n  if (constraints && constraints.video !== undefined) {\n    return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) });\n  }\n\n  return constraints;\n}\n\nfunction shimRTCIceServerUrls(window) {\n  // migrate from non-spec RTCIceServer.url to RTCIceServer.urls\n  var OrigPeerConnection = window.RTCPeerConnection;\n  window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {\n    if (pcConfig && pcConfig.iceServers) {\n      var newIceServers = [];\n      for (var i = 0; i < pcConfig.iceServers.length; i++) {\n        var server = pcConfig.iceServers[i];\n        if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {\n          utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n          server = JSON.parse(JSON.stringify(server));\n          server.urls = server.url;\n          delete server.url;\n          newIceServers.push(server);\n        } else {\n          newIceServers.push(pcConfig.iceServers[i]);\n        }\n      }\n      pcConfig.iceServers = newIceServers;\n    }\n    return new OrigPeerConnection(pcConfig, pcConstraints);\n  };\n  window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;\n  // wrap static methods. Currently just generateCertificate.\n  if ('generateCertificate' in window.RTCPeerConnection) {\n    Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {\n      get: function get() {\n        return OrigPeerConnection.generateCertificate;\n      }\n    });\n  }\n}\n\nfunction shimTrackEventTransceiver(window) {\n  // Add event.transceiver member over deprecated event.receiver\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get: function get() {\n        return { receiver: this.receiver };\n      }\n    });\n  }\n}\n\nfunction shimCreateOfferLegacy(window) {\n  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {\n    if (offerOptions) {\n      if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {\n        // support bit values\n        offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;\n      }\n      var audioTransceiver = this.getTransceivers().find(function (transceiver) {\n        return transceiver.receiver.track.kind === 'audio';\n      });\n      if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {\n        if (audioTransceiver.direction === 'sendrecv') {\n          if (audioTransceiver.setDirection) {\n            audioTransceiver.setDirection('sendonly');\n          } else {\n            audioTransceiver.direction = 'sendonly';\n          }\n        } else if (audioTransceiver.direction === 'recvonly') {\n          if (audioTransceiver.setDirection) {\n            audioTransceiver.setDirection('inactive');\n          } else {\n            audioTransceiver.direction = 'inactive';\n          }\n        }\n      } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {\n        this.addTransceiver('audio');\n      }\n\n      if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {\n        // support bit values\n        offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;\n      }\n      var videoTransceiver = this.getTransceivers().find(function (transceiver) {\n        return transceiver.receiver.track.kind === 'video';\n      });\n      if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {\n        if (videoTransceiver.direction === 'sendrecv') {\n          if (videoTransceiver.setDirection) {\n            videoTransceiver.setDirection('sendonly');\n          } else {\n            videoTransceiver.direction = 'sendonly';\n          }\n        } else if (videoTransceiver.direction === 'recvonly') {\n          if (videoTransceiver.setDirection) {\n            videoTransceiver.setDirection('inactive');\n          } else {\n            videoTransceiver.direction = 'inactive';\n          }\n        }\n      } else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {\n        this.addTransceiver('video');\n      }\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\n},{\"../utils\":15}],15:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.extractVersion = extractVersion;\nexports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;\nexports.disableLog = disableLog;\nexports.disableWarnings = disableWarnings;\nexports.log = log;\nexports.deprecated = deprecated;\nexports.detectBrowser = detectBrowser;\nexports.compactObject = compactObject;\nexports.walkStats = walkStats;\nexports.filterStats = filterStats;\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nvar logDisabled_ = true;\nvar deprecationWarnings_ = true;\n\n/**\n * Extract browser version out of the provided user agent string.\n *\n * @param {!string} uastring userAgent string.\n * @param {!string} expr Regular expression used as match criteria.\n * @param {!number} pos position in the version string to be returned.\n * @return {!number} browser version.\n */\nfunction extractVersion(uastring, expr, pos) {\n  var match = uastring.match(expr);\n  return match && match.length >= pos && parseInt(match[pos], 10);\n}\n\n// Wraps the peerconnection event eventNameToWrap in a function\n// which returns the modified event object (or false to prevent\n// the event).\nfunction wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var proto = window.RTCPeerConnection.prototype;\n  var nativeAddEventListener = proto.addEventListener;\n  proto.addEventListener = function (nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap) {\n      return nativeAddEventListener.apply(this, arguments);\n    }\n    var wrappedCallback = function wrappedCallback(e) {\n      var modifiedEvent = wrapper(e);\n      if (modifiedEvent) {\n        cb(modifiedEvent);\n      }\n    };\n    this._eventMap = this._eventMap || {};\n    this._eventMap[cb] = wrappedCallback;\n    return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);\n  };\n\n  var nativeRemoveEventListener = proto.removeEventListener;\n  proto.removeEventListener = function (nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[cb]) {\n      return nativeRemoveEventListener.apply(this, arguments);\n    }\n    var unwrappedCb = this._eventMap[cb];\n    delete this._eventMap[cb];\n    return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);\n  };\n\n  Object.defineProperty(proto, 'on' + eventNameToWrap, {\n    get: function get() {\n      return this['_on' + eventNameToWrap];\n    },\n    set: function set(cb) {\n      if (this['_on' + eventNameToWrap]) {\n        this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);\n        delete this['_on' + eventNameToWrap];\n      }\n      if (cb) {\n        this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);\n      }\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n}\n\nfunction disableLog(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');\n  }\n  logDisabled_ = bool;\n  return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';\n}\n\n/**\n * Disable or enable deprecation warnings\n * @param {!boolean} bool set to true to disable warnings.\n */\nfunction disableWarnings(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');\n  }\n  deprecationWarnings_ = !bool;\n  return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');\n}\n\nfunction log() {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') {\n    if (logDisabled_) {\n      return;\n    }\n    if (typeof console !== 'undefined' && typeof console.log === 'function') {\n      console.log.apply(console, arguments);\n    }\n  }\n}\n\n/**\n * Shows a deprecation warning suggesting the modern and spec-compatible API.\n */\nfunction deprecated(oldMethod, newMethod) {\n  if (!deprecationWarnings_) {\n    return;\n  }\n  console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');\n}\n\n/**\n * Browser detector.\n *\n * @return {object} result containing browser and version\n *     properties.\n */\nfunction detectBrowser(window) {\n  var navigator = window.navigator;\n\n  // Returned result object.\n\n  var result = { browser: null, version: null };\n\n  // Fail early if it's not a browser\n  if (typeof window === 'undefined' || !window.navigator) {\n    result.browser = 'Not a browser.';\n    return result;\n  }\n\n  if (navigator.mozGetUserMedia) {\n    // Firefox.\n    result.browser = 'firefox';\n    result.version = extractVersion(navigator.userAgent, /Firefox\\/(\\d+)\\./, 1);\n  } else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection && !window.RTCIceGatherer) {\n    // Chrome, Chromium, Webview, Opera.\n    // Version matches Chrome/WebRTC version.\n    // Chrome 74 removed webkitGetUserMedia on http as well so we need the\n    // more complicated fallback to webkitRTCPeerConnection.\n    result.browser = 'chrome';\n    result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\\/(\\d+)\\./, 2);\n  } else if (navigator.mediaDevices && navigator.userAgent.match(/Edge\\/(\\d+).(\\d+)$/)) {\n    // Edge.\n    result.browser = 'edge';\n    result.version = extractVersion(navigator.userAgent, /Edge\\/(\\d+).(\\d+)$/, 2);\n  } else if (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\\/(\\d+)\\./)) {\n    // Safari.\n    result.browser = 'safari';\n    result.version = extractVersion(navigator.userAgent, /AppleWebKit\\/(\\d+)\\./, 1);\n    result.supportsUnifiedPlan = window.RTCRtpTransceiver && 'currentDirection' in window.RTCRtpTransceiver.prototype;\n  } else {\n    // Default fallthrough: not supported.\n    result.browser = 'Not a supported browser.';\n    return result;\n  }\n\n  return result;\n}\n\n/**\n * Checks if something is an object.\n *\n * @param {*} val The something you want to check.\n * @return true if val is an object, false otherwise.\n */\nfunction isObject(val) {\n  return Object.prototype.toString.call(val) === '[object Object]';\n}\n\n/**\n * Remove all empty objects and undefined values\n * from a nested object -- an enhanced and vanilla version\n * of Lodash's `compact`.\n */\nfunction compactObject(data) {\n  if (!isObject(data)) {\n    return data;\n  }\n\n  return Object.keys(data).reduce(function (accumulator, key) {\n    var isObj = isObject(data[key]);\n    var value = isObj ? compactObject(data[key]) : data[key];\n    var isEmptyObject = isObj && !Object.keys(value).length;\n    if (value === undefined || isEmptyObject) {\n      return accumulator;\n    }\n    return Object.assign(accumulator, _defineProperty({}, key, value));\n  }, {});\n}\n\n/* iterates the stats graph recursively. */\nfunction walkStats(stats, base, resultSet) {\n  if (!base || resultSet.has(base.id)) {\n    return;\n  }\n  resultSet.set(base.id, base);\n  Object.keys(base).forEach(function (name) {\n    if (name.endsWith('Id')) {\n      walkStats(stats, stats.get(base[name]), resultSet);\n    } else if (name.endsWith('Ids')) {\n      base[name].forEach(function (id) {\n        walkStats(stats, stats.get(id), resultSet);\n      });\n    }\n  });\n}\n\n/* filter getStats for a sender/receiver track. */\nfunction filterStats(result, track, outbound) {\n  var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';\n  var filteredResult = new Map();\n  if (track === null) {\n    return filteredResult;\n  }\n  var trackStats = [];\n  result.forEach(function (value) {\n    if (value.type === 'track' && value.trackIdentifier === track.id) {\n      trackStats.push(value);\n    }\n  });\n  trackStats.forEach(function (trackStat) {\n    result.forEach(function (stats) {\n      if (stats.type === streamStatsType && stats.trackId === trackStat.id) {\n        walkStats(result, stats, filteredResult);\n      }\n    });\n  });\n  return filteredResult;\n}\n\n},{}],16:[function(require,module,exports){\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n /* eslint-env node */\n'use strict';\n\nvar SDPUtils = require('sdp');\n\nfunction fixStatsType(stat) {\n  return {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  }[stat.type] || stat.type;\n}\n\nfunction writeMediaSection(transceiver, caps, type, stream, dtlsRole) {\n  var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);\n\n  // Map ICE parameters (ufrag, pwd) to SDP.\n  sdp += SDPUtils.writeIceParameters(\n      transceiver.iceGatherer.getLocalParameters());\n\n  // Map DTLS parameters to SDP.\n  sdp += SDPUtils.writeDtlsParameters(\n      transceiver.dtlsTransport.getLocalParameters(),\n      type === 'offer' ? 'actpass' : dtlsRole || 'active');\n\n  sdp += 'a=mid:' + transceiver.mid + '\\r\\n';\n\n  if (transceiver.rtpSender && transceiver.rtpReceiver) {\n    sdp += 'a=sendrecv\\r\\n';\n  } else if (transceiver.rtpSender) {\n    sdp += 'a=sendonly\\r\\n';\n  } else if (transceiver.rtpReceiver) {\n    sdp += 'a=recvonly\\r\\n';\n  } else {\n    sdp += 'a=inactive\\r\\n';\n  }\n\n  if (transceiver.rtpSender) {\n    var trackId = transceiver.rtpSender._initialTrackId ||\n        transceiver.rtpSender.track.id;\n    transceiver.rtpSender._initialTrackId = trackId;\n    // spec.\n    var msid = 'msid:' + (stream ? stream.id : '-') + ' ' +\n        trackId + '\\r\\n';\n    sdp += 'a=' + msid;\n    // for Chrome. Legacy should no longer be required.\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n        ' ' + msid;\n\n    // RTX\n    if (transceiver.sendEncodingParameters[0].rtx) {\n      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n          ' ' + msid;\n      sdp += 'a=ssrc-group:FID ' +\n          transceiver.sendEncodingParameters[0].ssrc + ' ' +\n          transceiver.sendEncodingParameters[0].rtx.ssrc +\n          '\\r\\n';\n    }\n  }\n  // FIXME: this should be written by writeRtpDescription.\n  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n      ' cname:' + SDPUtils.localCName + '\\r\\n';\n  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n        ' cname:' + SDPUtils.localCName + '\\r\\n';\n  }\n  return sdp;\n}\n\n// Edge does not like\n// 1) stun: filtered after 14393 unless ?transport=udp is present\n// 2) turn: that does not have all of turn:host:port?transport=udp\n// 3) turn: with ipv6 addresses\n// 4) turn: occurring muliple times\nfunction filterIceServers(iceServers, edgeVersion) {\n  var hasTurn = false;\n  iceServers = JSON.parse(JSON.stringify(iceServers));\n  return iceServers.filter(function(server) {\n    if (server && (server.urls || server.url)) {\n      var urls = server.urls || server.url;\n      if (server.url && !server.urls) {\n        console.warn('RTCIceServer.url is deprecated! Use urls instead.');\n      }\n      var isString = typeof urls === 'string';\n      if (isString) {\n        urls = [urls];\n      }\n      urls = urls.filter(function(url) {\n        var validTurn = url.indexOf('turn:') === 0 &&\n            url.indexOf('transport=udp') !== -1 &&\n            url.indexOf('turn:[') === -1 &&\n            !hasTurn;\n\n        if (validTurn) {\n          hasTurn = true;\n          return true;\n        }\n        return url.indexOf('stun:') === 0 && edgeVersion >= 14393 &&\n            url.indexOf('?transport=udp') === -1;\n      });\n\n      delete server.url;\n      server.urls = isString ? urls[0] : urls;\n      return !!urls.length;\n    }\n  });\n}\n\n// Determines the intersection of local and remote capabilities.\nfunction getCommonCapabilities(localCapabilities, remoteCapabilities) {\n  var commonCapabilities = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: []\n  };\n\n  var findCodecByPayloadType = function(pt, codecs) {\n    pt = parseInt(pt, 10);\n    for (var i = 0; i < codecs.length; i++) {\n      if (codecs[i].payloadType === pt ||\n          codecs[i].preferredPayloadType === pt) {\n        return codecs[i];\n      }\n    }\n  };\n\n  var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {\n    var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);\n    var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);\n    return lCodec && rCodec &&\n        lCodec.name.toLowerCase() === rCodec.name.toLowerCase();\n  };\n\n  localCapabilities.codecs.forEach(function(lCodec) {\n    for (var i = 0; i < remoteCapabilities.codecs.length; i++) {\n      var rCodec = remoteCapabilities.codecs[i];\n      if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&\n          lCodec.clockRate === rCodec.clockRate) {\n        if (lCodec.name.toLowerCase() === 'rtx' &&\n            lCodec.parameters && rCodec.parameters.apt) {\n          // for RTX we need to find the local rtx that has a apt\n          // which points to the same local codec as the remote one.\n          if (!rtxCapabilityMatches(lCodec, rCodec,\n              localCapabilities.codecs, remoteCapabilities.codecs)) {\n            continue;\n          }\n        }\n        rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy\n        // number of channels is the highest common number of channels\n        rCodec.numChannels = Math.min(lCodec.numChannels,\n            rCodec.numChannels);\n        // push rCodec so we reply with offerer payload type\n        commonCapabilities.codecs.push(rCodec);\n\n        // determine common feedback mechanisms\n        rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {\n          for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {\n            if (lCodec.rtcpFeedback[j].type === fb.type &&\n                lCodec.rtcpFeedback[j].parameter === fb.parameter) {\n              return true;\n            }\n          }\n          return false;\n        });\n        // FIXME: also need to determine .parameters\n        //  see https://github.com/openpeer/ortc/issues/569\n        break;\n      }\n    }\n  });\n\n  localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {\n    for (var i = 0; i < remoteCapabilities.headerExtensions.length;\n         i++) {\n      var rHeaderExtension = remoteCapabilities.headerExtensions[i];\n      if (lHeaderExtension.uri === rHeaderExtension.uri) {\n        commonCapabilities.headerExtensions.push(rHeaderExtension);\n        break;\n      }\n    }\n  });\n\n  // FIXME: fecMechanisms\n  return commonCapabilities;\n}\n\n// is action=setLocalDescription with type allowed in signalingState\nfunction isActionAllowedInSignalingState(action, type, signalingState) {\n  return {\n    offer: {\n      setLocalDescription: ['stable', 'have-local-offer'],\n      setRemoteDescription: ['stable', 'have-remote-offer']\n    },\n    answer: {\n      setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],\n      setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']\n    }\n  }[type][action].indexOf(signalingState) !== -1;\n}\n\nfunction maybeAddCandidate(iceTransport, candidate) {\n  // Edge's internal representation adds some fields therefore\n  // not all fieldѕ are taken into account.\n  var alreadyAdded = iceTransport.getRemoteCandidates()\n      .find(function(remoteCandidate) {\n        return candidate.foundation === remoteCandidate.foundation &&\n            candidate.ip === remoteCandidate.ip &&\n            candidate.port === remoteCandidate.port &&\n            candidate.priority === remoteCandidate.priority &&\n            candidate.protocol === remoteCandidate.protocol &&\n            candidate.type === remoteCandidate.type;\n      });\n  if (!alreadyAdded) {\n    iceTransport.addRemoteCandidate(candidate);\n  }\n  return !alreadyAdded;\n}\n\n\nfunction makeError(name, description) {\n  var e = new Error(description);\n  e.name = name;\n  // legacy error codes from https://heycam.github.io/webidl/#idl-DOMException-error-names\n  e.code = {\n    NotSupportedError: 9,\n    InvalidStateError: 11,\n    InvalidAccessError: 15,\n    TypeError: undefined,\n    OperationError: undefined\n  }[name];\n  return e;\n}\n\nmodule.exports = function(window, edgeVersion) {\n  // https://w3c.github.io/mediacapture-main/#mediastream\n  // Helper function to add the track to the stream and\n  // dispatch the event ourselves.\n  function addTrackToStreamAndFireEvent(track, stream) {\n    stream.addTrack(track);\n    stream.dispatchEvent(new window.MediaStreamTrackEvent('addtrack',\n        {track: track}));\n  }\n\n  function removeTrackFromStreamAndFireEvent(track, stream) {\n    stream.removeTrack(track);\n    stream.dispatchEvent(new window.MediaStreamTrackEvent('removetrack',\n        {track: track}));\n  }\n\n  function fireAddTrack(pc, track, receiver, streams) {\n    var trackEvent = new Event('track');\n    trackEvent.track = track;\n    trackEvent.receiver = receiver;\n    trackEvent.transceiver = {receiver: receiver};\n    trackEvent.streams = streams;\n    window.setTimeout(function() {\n      pc._dispatchEvent('track', trackEvent);\n    });\n  }\n\n  var RTCPeerConnection = function(config) {\n    var pc = this;\n\n    var _eventTarget = document.createDocumentFragment();\n    ['addEventListener', 'removeEventListener', 'dispatchEvent']\n        .forEach(function(method) {\n          pc[method] = _eventTarget[method].bind(_eventTarget);\n        });\n\n    this.canTrickleIceCandidates = null;\n\n    this.needNegotiation = false;\n\n    this.localStreams = [];\n    this.remoteStreams = [];\n\n    this._localDescription = null;\n    this._remoteDescription = null;\n\n    this.signalingState = 'stable';\n    this.iceConnectionState = 'new';\n    this.connectionState = 'new';\n    this.iceGatheringState = 'new';\n\n    config = JSON.parse(JSON.stringify(config || {}));\n\n    this.usingBundle = config.bundlePolicy === 'max-bundle';\n    if (config.rtcpMuxPolicy === 'negotiate') {\n      throw(makeError('NotSupportedError',\n          'rtcpMuxPolicy \\'negotiate\\' is not supported'));\n    } else if (!config.rtcpMuxPolicy) {\n      config.rtcpMuxPolicy = 'require';\n    }\n\n    switch (config.iceTransportPolicy) {\n      case 'all':\n      case 'relay':\n        break;\n      default:\n        config.iceTransportPolicy = 'all';\n        break;\n    }\n\n    switch (config.bundlePolicy) {\n      case 'balanced':\n      case 'max-compat':\n      case 'max-bundle':\n        break;\n      default:\n        config.bundlePolicy = 'balanced';\n        break;\n    }\n\n    config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);\n\n    this._iceGatherers = [];\n    if (config.iceCandidatePoolSize) {\n      for (var i = config.iceCandidatePoolSize; i > 0; i--) {\n        this._iceGatherers.push(new window.RTCIceGatherer({\n          iceServers: config.iceServers,\n          gatherPolicy: config.iceTransportPolicy\n        }));\n      }\n    } else {\n      config.iceCandidatePoolSize = 0;\n    }\n\n    this._config = config;\n\n    // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...\n    // everything that is needed to describe a SDP m-line.\n    this.transceivers = [];\n\n    this._sdpSessionId = SDPUtils.generateSessionId();\n    this._sdpSessionVersion = 0;\n\n    this._dtlsRole = undefined; // role for a=setup to use in answers.\n\n    this._isClosed = false;\n  };\n\n  Object.defineProperty(RTCPeerConnection.prototype, 'localDescription', {\n    configurable: true,\n    get: function() {\n      return this._localDescription;\n    }\n  });\n  Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', {\n    configurable: true,\n    get: function() {\n      return this._remoteDescription;\n    }\n  });\n\n  // set up event handlers on prototype\n  RTCPeerConnection.prototype.onicecandidate = null;\n  RTCPeerConnection.prototype.onaddstream = null;\n  RTCPeerConnection.prototype.ontrack = null;\n  RTCPeerConnection.prototype.onremovestream = null;\n  RTCPeerConnection.prototype.onsignalingstatechange = null;\n  RTCPeerConnection.prototype.oniceconnectionstatechange = null;\n  RTCPeerConnection.prototype.onconnectionstatechange = null;\n  RTCPeerConnection.prototype.onicegatheringstatechange = null;\n  RTCPeerConnection.prototype.onnegotiationneeded = null;\n  RTCPeerConnection.prototype.ondatachannel = null;\n\n  RTCPeerConnection.prototype._dispatchEvent = function(name, event) {\n    if (this._isClosed) {\n      return;\n    }\n    this.dispatchEvent(event);\n    if (typeof this['on' + name] === 'function') {\n      this['on' + name](event);\n    }\n  };\n\n  RTCPeerConnection.prototype._emitGatheringStateChange = function() {\n    var event = new Event('icegatheringstatechange');\n    this._dispatchEvent('icegatheringstatechange', event);\n  };\n\n  RTCPeerConnection.prototype.getConfiguration = function() {\n    return this._config;\n  };\n\n  RTCPeerConnection.prototype.getLocalStreams = function() {\n    return this.localStreams;\n  };\n\n  RTCPeerConnection.prototype.getRemoteStreams = function() {\n    return this.remoteStreams;\n  };\n\n  // internal helper to create a transceiver object.\n  // (which is not yet the same as the WebRTC 1.0 transceiver)\n  RTCPeerConnection.prototype._createTransceiver = function(kind, doNotAdd) {\n    var hasBundleTransport = this.transceivers.length > 0;\n    var transceiver = {\n      track: null,\n      iceGatherer: null,\n      iceTransport: null,\n      dtlsTransport: null,\n      localCapabilities: null,\n      remoteCapabilities: null,\n      rtpSender: null,\n      rtpReceiver: null,\n      kind: kind,\n      mid: null,\n      sendEncodingParameters: null,\n      recvEncodingParameters: null,\n      stream: null,\n      associatedRemoteMediaStreams: [],\n      wantReceive: true\n    };\n    if (this.usingBundle && hasBundleTransport) {\n      transceiver.iceTransport = this.transceivers[0].iceTransport;\n      transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;\n    } else {\n      var transports = this._createIceAndDtlsTransports();\n      transceiver.iceTransport = transports.iceTransport;\n      transceiver.dtlsTransport = transports.dtlsTransport;\n    }\n    if (!doNotAdd) {\n      this.transceivers.push(transceiver);\n    }\n    return transceiver;\n  };\n\n  RTCPeerConnection.prototype.addTrack = function(track, stream) {\n    if (this._isClosed) {\n      throw makeError('InvalidStateError',\n          'Attempted to call addTrack on a closed peerconnection.');\n    }\n\n    var alreadyExists = this.transceivers.find(function(s) {\n      return s.track === track;\n    });\n\n    if (alreadyExists) {\n      throw makeError('InvalidAccessError', 'Track already exists.');\n    }\n\n    var transceiver;\n    for (var i = 0; i < this.transceivers.length; i++) {\n      if (!this.transceivers[i].track &&\n          this.transceivers[i].kind === track.kind) {\n        transceiver = this.transceivers[i];\n      }\n    }\n    if (!transceiver) {\n      transceiver = this._createTransceiver(track.kind);\n    }\n\n    this._maybeFireNegotiationNeeded();\n\n    if (this.localStreams.indexOf(stream) === -1) {\n      this.localStreams.push(stream);\n    }\n\n    transceiver.track = track;\n    transceiver.stream = stream;\n    transceiver.rtpSender = new window.RTCRtpSender(track,\n        transceiver.dtlsTransport);\n    return transceiver.rtpSender;\n  };\n\n  RTCPeerConnection.prototype.addStream = function(stream) {\n    var pc = this;\n    if (edgeVersion >= 15025) {\n      stream.getTracks().forEach(function(track) {\n        pc.addTrack(track, stream);\n      });\n    } else {\n      // Clone is necessary for local demos mostly, attaching directly\n      // to two different senders does not work (build 10547).\n      // Fixed in 15025 (or earlier)\n      var clonedStream = stream.clone();\n      stream.getTracks().forEach(function(track, idx) {\n        var clonedTrack = clonedStream.getTracks()[idx];\n        track.addEventListener('enabled', function(event) {\n          clonedTrack.enabled = event.enabled;\n        });\n      });\n      clonedStream.getTracks().forEach(function(track) {\n        pc.addTrack(track, clonedStream);\n      });\n    }\n  };\n\n  RTCPeerConnection.prototype.removeTrack = function(sender) {\n    if (this._isClosed) {\n      throw makeError('InvalidStateError',\n          'Attempted to call removeTrack on a closed peerconnection.');\n    }\n\n    if (!(sender instanceof window.RTCRtpSender)) {\n      throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +\n          'does not implement interface RTCRtpSender.');\n    }\n\n    var transceiver = this.transceivers.find(function(t) {\n      return t.rtpSender === sender;\n    });\n\n    if (!transceiver) {\n      throw makeError('InvalidAccessError',\n          'Sender was not created by this connection.');\n    }\n    var stream = transceiver.stream;\n\n    transceiver.rtpSender.stop();\n    transceiver.rtpSender = null;\n    transceiver.track = null;\n    transceiver.stream = null;\n\n    // remove the stream from the set of local streams\n    var localStreams = this.transceivers.map(function(t) {\n      return t.stream;\n    });\n    if (localStreams.indexOf(stream) === -1 &&\n        this.localStreams.indexOf(stream) > -1) {\n      this.localStreams.splice(this.localStreams.indexOf(stream), 1);\n    }\n\n    this._maybeFireNegotiationNeeded();\n  };\n\n  RTCPeerConnection.prototype.removeStream = function(stream) {\n    var pc = this;\n    stream.getTracks().forEach(function(track) {\n      var sender = pc.getSenders().find(function(s) {\n        return s.track === track;\n      });\n      if (sender) {\n        pc.removeTrack(sender);\n      }\n    });\n  };\n\n  RTCPeerConnection.prototype.getSenders = function() {\n    return this.transceivers.filter(function(transceiver) {\n      return !!transceiver.rtpSender;\n    })\n    .map(function(transceiver) {\n      return transceiver.rtpSender;\n    });\n  };\n\n  RTCPeerConnection.prototype.getReceivers = function() {\n    return this.transceivers.filter(function(transceiver) {\n      return !!transceiver.rtpReceiver;\n    })\n    .map(function(transceiver) {\n      return transceiver.rtpReceiver;\n    });\n  };\n\n\n  RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,\n      usingBundle) {\n    var pc = this;\n    if (usingBundle && sdpMLineIndex > 0) {\n      return this.transceivers[0].iceGatherer;\n    } else if (this._iceGatherers.length) {\n      return this._iceGatherers.shift();\n    }\n    var iceGatherer = new window.RTCIceGatherer({\n      iceServers: this._config.iceServers,\n      gatherPolicy: this._config.iceTransportPolicy\n    });\n    Object.defineProperty(iceGatherer, 'state',\n        {value: 'new', writable: true}\n    );\n\n    this.transceivers[sdpMLineIndex].bufferedCandidateEvents = [];\n    this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {\n      var end = !event.candidate || Object.keys(event.candidate).length === 0;\n      // polyfill since RTCIceGatherer.state is not implemented in\n      // Edge 10547 yet.\n      iceGatherer.state = end ? 'completed' : 'gathering';\n      if (pc.transceivers[sdpMLineIndex].bufferedCandidateEvents !== null) {\n        pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);\n      }\n    };\n    iceGatherer.addEventListener('localcandidate',\n      this.transceivers[sdpMLineIndex].bufferCandidates);\n    return iceGatherer;\n  };\n\n  // start gathering from an RTCIceGatherer.\n  RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {\n    var pc = this;\n    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;\n    if (iceGatherer.onlocalcandidate) {\n      return;\n    }\n    var bufferedCandidateEvents =\n      this.transceivers[sdpMLineIndex].bufferedCandidateEvents;\n    this.transceivers[sdpMLineIndex].bufferedCandidateEvents = null;\n    iceGatherer.removeEventListener('localcandidate',\n      this.transceivers[sdpMLineIndex].bufferCandidates);\n    iceGatherer.onlocalcandidate = function(evt) {\n      if (pc.usingBundle && sdpMLineIndex > 0) {\n        // if we know that we use bundle we can drop candidates with\n        // ѕdpMLineIndex > 0. If we don't do this then our state gets\n        // confused since we dispose the extra ice gatherer.\n        return;\n      }\n      var event = new Event('icecandidate');\n      event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};\n\n      var cand = evt.candidate;\n      // Edge emits an empty object for RTCIceCandidateComplete‥\n      var end = !cand || Object.keys(cand).length === 0;\n      if (end) {\n        // polyfill since RTCIceGatherer.state is not implemented in\n        // Edge 10547 yet.\n        if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {\n          iceGatherer.state = 'completed';\n        }\n      } else {\n        if (iceGatherer.state === 'new') {\n          iceGatherer.state = 'gathering';\n        }\n        // RTCIceCandidate doesn't have a component, needs to be added\n        cand.component = 1;\n        // also the usernameFragment. TODO: update SDP to take both variants.\n        cand.ufrag = iceGatherer.getLocalParameters().usernameFragment;\n\n        var serializedCandidate = SDPUtils.writeCandidate(cand);\n        event.candidate = Object.assign(event.candidate,\n            SDPUtils.parseCandidate(serializedCandidate));\n\n        event.candidate.candidate = serializedCandidate;\n        event.candidate.toJSON = function() {\n          return {\n            candidate: event.candidate.candidate,\n            sdpMid: event.candidate.sdpMid,\n            sdpMLineIndex: event.candidate.sdpMLineIndex,\n            usernameFragment: event.candidate.usernameFragment\n          };\n        };\n      }\n\n      // update local description.\n      var sections = SDPUtils.getMediaSections(pc._localDescription.sdp);\n      if (!end) {\n        sections[event.candidate.sdpMLineIndex] +=\n            'a=' + event.candidate.candidate + '\\r\\n';\n      } else {\n        sections[event.candidate.sdpMLineIndex] +=\n            'a=end-of-candidates\\r\\n';\n      }\n      pc._localDescription.sdp =\n          SDPUtils.getDescription(pc._localDescription.sdp) +\n          sections.join('');\n      var complete = pc.transceivers.every(function(transceiver) {\n        return transceiver.iceGatherer &&\n            transceiver.iceGatherer.state === 'completed';\n      });\n\n      if (pc.iceGatheringState !== 'gathering') {\n        pc.iceGatheringState = 'gathering';\n        pc._emitGatheringStateChange();\n      }\n\n      // Emit candidate. Also emit null candidate when all gatherers are\n      // complete.\n      if (!end) {\n        pc._dispatchEvent('icecandidate', event);\n      }\n      if (complete) {\n        pc._dispatchEvent('icecandidate', new Event('icecandidate'));\n        pc.iceGatheringState = 'complete';\n        pc._emitGatheringStateChange();\n      }\n    };\n\n    // emit already gathered candidates.\n    window.setTimeout(function() {\n      bufferedCandidateEvents.forEach(function(e) {\n        iceGatherer.onlocalcandidate(e);\n      });\n    }, 0);\n  };\n\n  // Create ICE transport and DTLS transport.\n  RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {\n    var pc = this;\n    var iceTransport = new window.RTCIceTransport(null);\n    iceTransport.onicestatechange = function() {\n      pc._updateIceConnectionState();\n      pc._updateConnectionState();\n    };\n\n    var dtlsTransport = new window.RTCDtlsTransport(iceTransport);\n    dtlsTransport.ondtlsstatechange = function() {\n      pc._updateConnectionState();\n    };\n    dtlsTransport.onerror = function() {\n      // onerror does not set state to failed by itself.\n      Object.defineProperty(dtlsTransport, 'state',\n          {value: 'failed', writable: true});\n      pc._updateConnectionState();\n    };\n\n    return {\n      iceTransport: iceTransport,\n      dtlsTransport: dtlsTransport\n    };\n  };\n\n  // Destroy ICE gatherer, ICE transport and DTLS transport.\n  // Without triggering the callbacks.\n  RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(\n      sdpMLineIndex) {\n    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;\n    if (iceGatherer) {\n      delete iceGatherer.onlocalcandidate;\n      delete this.transceivers[sdpMLineIndex].iceGatherer;\n    }\n    var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;\n    if (iceTransport) {\n      delete iceTransport.onicestatechange;\n      delete this.transceivers[sdpMLineIndex].iceTransport;\n    }\n    var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;\n    if (dtlsTransport) {\n      delete dtlsTransport.ondtlsstatechange;\n      delete dtlsTransport.onerror;\n      delete this.transceivers[sdpMLineIndex].dtlsTransport;\n    }\n  };\n\n  // Start the RTP Sender and Receiver for a transceiver.\n  RTCPeerConnection.prototype._transceive = function(transceiver,\n      send, recv) {\n    var params = getCommonCapabilities(transceiver.localCapabilities,\n        transceiver.remoteCapabilities);\n    if (send && transceiver.rtpSender) {\n      params.encodings = transceiver.sendEncodingParameters;\n      params.rtcp = {\n        cname: SDPUtils.localCName,\n        compound: transceiver.rtcpParameters.compound\n      };\n      if (transceiver.recvEncodingParameters.length) {\n        params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;\n      }\n      transceiver.rtpSender.send(params);\n    }\n    if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {\n      // remove RTX field in Edge 14942\n      if (transceiver.kind === 'video'\n          && transceiver.recvEncodingParameters\n          && edgeVersion < 15019) {\n        transceiver.recvEncodingParameters.forEach(function(p) {\n          delete p.rtx;\n        });\n      }\n      if (transceiver.recvEncodingParameters.length) {\n        params.encodings = transceiver.recvEncodingParameters;\n      } else {\n        params.encodings = [{}];\n      }\n      params.rtcp = {\n        compound: transceiver.rtcpParameters.compound\n      };\n      if (transceiver.rtcpParameters.cname) {\n        params.rtcp.cname = transceiver.rtcpParameters.cname;\n      }\n      if (transceiver.sendEncodingParameters.length) {\n        params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;\n      }\n      transceiver.rtpReceiver.receive(params);\n    }\n  };\n\n  RTCPeerConnection.prototype.setLocalDescription = function(description) {\n    var pc = this;\n\n    // Note: pranswer is not supported.\n    if (['offer', 'answer'].indexOf(description.type) === -1) {\n      return Promise.reject(makeError('TypeError',\n          'Unsupported type \"' + description.type + '\"'));\n    }\n\n    if (!isActionAllowedInSignalingState('setLocalDescription',\n        description.type, pc.signalingState) || pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not set local ' + description.type +\n          ' in state ' + pc.signalingState));\n    }\n\n    var sections;\n    var sessionpart;\n    if (description.type === 'offer') {\n      // VERY limited support for SDP munging. Limited to:\n      // * changing the order of codecs\n      sections = SDPUtils.splitSections(description.sdp);\n      sessionpart = sections.shift();\n      sections.forEach(function(mediaSection, sdpMLineIndex) {\n        var caps = SDPUtils.parseRtpParameters(mediaSection);\n        pc.transceivers[sdpMLineIndex].localCapabilities = caps;\n      });\n\n      pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n        pc._gather(transceiver.mid, sdpMLineIndex);\n      });\n    } else if (description.type === 'answer') {\n      sections = SDPUtils.splitSections(pc._remoteDescription.sdp);\n      sessionpart = sections.shift();\n      var isIceLite = SDPUtils.matchPrefix(sessionpart,\n          'a=ice-lite').length > 0;\n      sections.forEach(function(mediaSection, sdpMLineIndex) {\n        var transceiver = pc.transceivers[sdpMLineIndex];\n        var iceGatherer = transceiver.iceGatherer;\n        var iceTransport = transceiver.iceTransport;\n        var dtlsTransport = transceiver.dtlsTransport;\n        var localCapabilities = transceiver.localCapabilities;\n        var remoteCapabilities = transceiver.remoteCapabilities;\n\n        // treat bundle-only as not-rejected.\n        var rejected = SDPUtils.isRejected(mediaSection) &&\n            SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;\n\n        if (!rejected && !transceiver.rejected) {\n          var remoteIceParameters = SDPUtils.getIceParameters(\n              mediaSection, sessionpart);\n          var remoteDtlsParameters = SDPUtils.getDtlsParameters(\n              mediaSection, sessionpart);\n          if (isIceLite) {\n            remoteDtlsParameters.role = 'server';\n          }\n\n          if (!pc.usingBundle || sdpMLineIndex === 0) {\n            pc._gather(transceiver.mid, sdpMLineIndex);\n            if (iceTransport.state === 'new') {\n              iceTransport.start(iceGatherer, remoteIceParameters,\n                  isIceLite ? 'controlling' : 'controlled');\n            }\n            if (dtlsTransport.state === 'new') {\n              dtlsTransport.start(remoteDtlsParameters);\n            }\n          }\n\n          // Calculate intersection of capabilities.\n          var params = getCommonCapabilities(localCapabilities,\n              remoteCapabilities);\n\n          // Start the RTCRtpSender. The RTCRtpReceiver for this\n          // transceiver has already been started in setRemoteDescription.\n          pc._transceive(transceiver,\n              params.codecs.length > 0,\n              false);\n        }\n      });\n    }\n\n    pc._localDescription = {\n      type: description.type,\n      sdp: description.sdp\n    };\n    if (description.type === 'offer') {\n      pc._updateSignalingState('have-local-offer');\n    } else {\n      pc._updateSignalingState('stable');\n    }\n\n    return Promise.resolve();\n  };\n\n  RTCPeerConnection.prototype.setRemoteDescription = function(description) {\n    var pc = this;\n\n    // Note: pranswer is not supported.\n    if (['offer', 'answer'].indexOf(description.type) === -1) {\n      return Promise.reject(makeError('TypeError',\n          'Unsupported type \"' + description.type + '\"'));\n    }\n\n    if (!isActionAllowedInSignalingState('setRemoteDescription',\n        description.type, pc.signalingState) || pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not set remote ' + description.type +\n          ' in state ' + pc.signalingState));\n    }\n\n    var streams = {};\n    pc.remoteStreams.forEach(function(stream) {\n      streams[stream.id] = stream;\n    });\n    var receiverList = [];\n    var sections = SDPUtils.splitSections(description.sdp);\n    var sessionpart = sections.shift();\n    var isIceLite = SDPUtils.matchPrefix(sessionpart,\n        'a=ice-lite').length > 0;\n    var usingBundle = SDPUtils.matchPrefix(sessionpart,\n        'a=group:BUNDLE ').length > 0;\n    pc.usingBundle = usingBundle;\n    var iceOptions = SDPUtils.matchPrefix(sessionpart,\n        'a=ice-options:')[0];\n    if (iceOptions) {\n      pc.canTrickleIceCandidates = iceOptions.substr(14).split(' ')\n          .indexOf('trickle') >= 0;\n    } else {\n      pc.canTrickleIceCandidates = false;\n    }\n\n    sections.forEach(function(mediaSection, sdpMLineIndex) {\n      var lines = SDPUtils.splitLines(mediaSection);\n      var kind = SDPUtils.getKind(mediaSection);\n      // treat bundle-only as not-rejected.\n      var rejected = SDPUtils.isRejected(mediaSection) &&\n          SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;\n      var protocol = lines[0].substr(2).split(' ')[2];\n\n      var direction = SDPUtils.getDirection(mediaSection, sessionpart);\n      var remoteMsid = SDPUtils.parseMsid(mediaSection);\n\n      var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();\n\n      // Reject datachannels which are not implemented yet.\n      if (rejected || (kind === 'application' && (protocol === 'DTLS/SCTP' ||\n          protocol === 'UDP/DTLS/SCTP'))) {\n        // TODO: this is dangerous in the case where a non-rejected m-line\n        //     becomes rejected.\n        pc.transceivers[sdpMLineIndex] = {\n          mid: mid,\n          kind: kind,\n          protocol: protocol,\n          rejected: true\n        };\n        return;\n      }\n\n      if (!rejected && pc.transceivers[sdpMLineIndex] &&\n          pc.transceivers[sdpMLineIndex].rejected) {\n        // recycle a rejected transceiver.\n        pc.transceivers[sdpMLineIndex] = pc._createTransceiver(kind, true);\n      }\n\n      var transceiver;\n      var iceGatherer;\n      var iceTransport;\n      var dtlsTransport;\n      var rtpReceiver;\n      var sendEncodingParameters;\n      var recvEncodingParameters;\n      var localCapabilities;\n\n      var track;\n      // FIXME: ensure the mediaSection has rtcp-mux set.\n      var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);\n      var remoteIceParameters;\n      var remoteDtlsParameters;\n      if (!rejected) {\n        remoteIceParameters = SDPUtils.getIceParameters(mediaSection,\n            sessionpart);\n        remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,\n            sessionpart);\n        remoteDtlsParameters.role = 'client';\n      }\n      recvEncodingParameters =\n          SDPUtils.parseRtpEncodingParameters(mediaSection);\n\n      var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);\n\n      var isComplete = SDPUtils.matchPrefix(mediaSection,\n          'a=end-of-candidates', sessionpart).length > 0;\n      var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')\n          .map(function(cand) {\n            return SDPUtils.parseCandidate(cand);\n          })\n          .filter(function(cand) {\n            return cand.component === 1;\n          });\n\n      // Check if we can use BUNDLE and dispose transports.\n      if ((description.type === 'offer' || description.type === 'answer') &&\n          !rejected && usingBundle && sdpMLineIndex > 0 &&\n          pc.transceivers[sdpMLineIndex]) {\n        pc._disposeIceAndDtlsTransports(sdpMLineIndex);\n        pc.transceivers[sdpMLineIndex].iceGatherer =\n            pc.transceivers[0].iceGatherer;\n        pc.transceivers[sdpMLineIndex].iceTransport =\n            pc.transceivers[0].iceTransport;\n        pc.transceivers[sdpMLineIndex].dtlsTransport =\n            pc.transceivers[0].dtlsTransport;\n        if (pc.transceivers[sdpMLineIndex].rtpSender) {\n          pc.transceivers[sdpMLineIndex].rtpSender.setTransport(\n              pc.transceivers[0].dtlsTransport);\n        }\n        if (pc.transceivers[sdpMLineIndex].rtpReceiver) {\n          pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(\n              pc.transceivers[0].dtlsTransport);\n        }\n      }\n      if (description.type === 'offer' && !rejected) {\n        transceiver = pc.transceivers[sdpMLineIndex] ||\n            pc._createTransceiver(kind);\n        transceiver.mid = mid;\n\n        if (!transceiver.iceGatherer) {\n          transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,\n              usingBundle);\n        }\n\n        if (cands.length && transceiver.iceTransport.state === 'new') {\n          if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {\n            transceiver.iceTransport.setRemoteCandidates(cands);\n          } else {\n            cands.forEach(function(candidate) {\n              maybeAddCandidate(transceiver.iceTransport, candidate);\n            });\n          }\n        }\n\n        localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);\n\n        // filter RTX until additional stuff needed for RTX is implemented\n        // in adapter.js\n        if (edgeVersion < 15019) {\n          localCapabilities.codecs = localCapabilities.codecs.filter(\n              function(codec) {\n                return codec.name !== 'rtx';\n              });\n        }\n\n        sendEncodingParameters = transceiver.sendEncodingParameters || [{\n          ssrc: (2 * sdpMLineIndex + 2) * 1001\n        }];\n\n        // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams\n        var isNewTrack = false;\n        if (direction === 'sendrecv' || direction === 'sendonly') {\n          isNewTrack = !transceiver.rtpReceiver;\n          rtpReceiver = transceiver.rtpReceiver ||\n              new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);\n\n          if (isNewTrack) {\n            var stream;\n            track = rtpReceiver.track;\n            // FIXME: does not work with Plan B.\n            if (remoteMsid && remoteMsid.stream === '-') {\n              // no-op. a stream id of '-' means: no associated stream.\n            } else if (remoteMsid) {\n              if (!streams[remoteMsid.stream]) {\n                streams[remoteMsid.stream] = new window.MediaStream();\n                Object.defineProperty(streams[remoteMsid.stream], 'id', {\n                  get: function() {\n                    return remoteMsid.stream;\n                  }\n                });\n              }\n              Object.defineProperty(track, 'id', {\n                get: function() {\n                  return remoteMsid.track;\n                }\n              });\n              stream = streams[remoteMsid.stream];\n            } else {\n              if (!streams.default) {\n                streams.default = new window.MediaStream();\n              }\n              stream = streams.default;\n            }\n            if (stream) {\n              addTrackToStreamAndFireEvent(track, stream);\n              transceiver.associatedRemoteMediaStreams.push(stream);\n            }\n            receiverList.push([track, rtpReceiver, stream]);\n          }\n        } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {\n          transceiver.associatedRemoteMediaStreams.forEach(function(s) {\n            var nativeTrack = s.getTracks().find(function(t) {\n              return t.id === transceiver.rtpReceiver.track.id;\n            });\n            if (nativeTrack) {\n              removeTrackFromStreamAndFireEvent(nativeTrack, s);\n            }\n          });\n          transceiver.associatedRemoteMediaStreams = [];\n        }\n\n        transceiver.localCapabilities = localCapabilities;\n        transceiver.remoteCapabilities = remoteCapabilities;\n        transceiver.rtpReceiver = rtpReceiver;\n        transceiver.rtcpParameters = rtcpParameters;\n        transceiver.sendEncodingParameters = sendEncodingParameters;\n        transceiver.recvEncodingParameters = recvEncodingParameters;\n\n        // Start the RTCRtpReceiver now. The RTPSender is started in\n        // setLocalDescription.\n        pc._transceive(pc.transceivers[sdpMLineIndex],\n            false,\n            isNewTrack);\n      } else if (description.type === 'answer' && !rejected) {\n        transceiver = pc.transceivers[sdpMLineIndex];\n        iceGatherer = transceiver.iceGatherer;\n        iceTransport = transceiver.iceTransport;\n        dtlsTransport = transceiver.dtlsTransport;\n        rtpReceiver = transceiver.rtpReceiver;\n        sendEncodingParameters = transceiver.sendEncodingParameters;\n        localCapabilities = transceiver.localCapabilities;\n\n        pc.transceivers[sdpMLineIndex].recvEncodingParameters =\n            recvEncodingParameters;\n        pc.transceivers[sdpMLineIndex].remoteCapabilities =\n            remoteCapabilities;\n        pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;\n\n        if (cands.length && iceTransport.state === 'new') {\n          if ((isIceLite || isComplete) &&\n              (!usingBundle || sdpMLineIndex === 0)) {\n            iceTransport.setRemoteCandidates(cands);\n          } else {\n            cands.forEach(function(candidate) {\n              maybeAddCandidate(transceiver.iceTransport, candidate);\n            });\n          }\n        }\n\n        if (!usingBundle || sdpMLineIndex === 0) {\n          if (iceTransport.state === 'new') {\n            iceTransport.start(iceGatherer, remoteIceParameters,\n                'controlling');\n          }\n          if (dtlsTransport.state === 'new') {\n            dtlsTransport.start(remoteDtlsParameters);\n          }\n        }\n\n        // If the offer contained RTX but the answer did not,\n        // remove RTX from sendEncodingParameters.\n        var commonCapabilities = getCommonCapabilities(\n          transceiver.localCapabilities,\n          transceiver.remoteCapabilities);\n\n        var hasRtx = commonCapabilities.codecs.filter(function(c) {\n          return c.name.toLowerCase() === 'rtx';\n        }).length;\n        if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {\n          delete transceiver.sendEncodingParameters[0].rtx;\n        }\n\n        pc._transceive(transceiver,\n            direction === 'sendrecv' || direction === 'recvonly',\n            direction === 'sendrecv' || direction === 'sendonly');\n\n        // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams\n        if (rtpReceiver &&\n            (direction === 'sendrecv' || direction === 'sendonly')) {\n          track = rtpReceiver.track;\n          if (remoteMsid) {\n            if (!streams[remoteMsid.stream]) {\n              streams[remoteMsid.stream] = new window.MediaStream();\n            }\n            addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);\n            receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);\n          } else {\n            if (!streams.default) {\n              streams.default = new window.MediaStream();\n            }\n            addTrackToStreamAndFireEvent(track, streams.default);\n            receiverList.push([track, rtpReceiver, streams.default]);\n          }\n        } else {\n          // FIXME: actually the receiver should be created later.\n          delete transceiver.rtpReceiver;\n        }\n      }\n    });\n\n    if (pc._dtlsRole === undefined) {\n      pc._dtlsRole = description.type === 'offer' ? 'active' : 'passive';\n    }\n\n    pc._remoteDescription = {\n      type: description.type,\n      sdp: description.sdp\n    };\n    if (description.type === 'offer') {\n      pc._updateSignalingState('have-remote-offer');\n    } else {\n      pc._updateSignalingState('stable');\n    }\n    Object.keys(streams).forEach(function(sid) {\n      var stream = streams[sid];\n      if (stream.getTracks().length) {\n        if (pc.remoteStreams.indexOf(stream) === -1) {\n          pc.remoteStreams.push(stream);\n          var event = new Event('addstream');\n          event.stream = stream;\n          window.setTimeout(function() {\n            pc._dispatchEvent('addstream', event);\n          });\n        }\n\n        receiverList.forEach(function(item) {\n          var track = item[0];\n          var receiver = item[1];\n          if (stream.id !== item[2].id) {\n            return;\n          }\n          fireAddTrack(pc, track, receiver, [stream]);\n        });\n      }\n    });\n    receiverList.forEach(function(item) {\n      if (item[2]) {\n        return;\n      }\n      fireAddTrack(pc, item[0], item[1], []);\n    });\n\n    // check whether addIceCandidate({}) was called within four seconds after\n    // setRemoteDescription.\n    window.setTimeout(function() {\n      if (!(pc && pc.transceivers)) {\n        return;\n      }\n      pc.transceivers.forEach(function(transceiver) {\n        if (transceiver.iceTransport &&\n            transceiver.iceTransport.state === 'new' &&\n            transceiver.iceTransport.getRemoteCandidates().length > 0) {\n          console.warn('Timeout for addRemoteCandidate. Consider sending ' +\n              'an end-of-candidates notification');\n          transceiver.iceTransport.addRemoteCandidate({});\n        }\n      });\n    }, 4000);\n\n    return Promise.resolve();\n  };\n\n  RTCPeerConnection.prototype.close = function() {\n    this.transceivers.forEach(function(transceiver) {\n      /* not yet\n      if (transceiver.iceGatherer) {\n        transceiver.iceGatherer.close();\n      }\n      */\n      if (transceiver.iceTransport) {\n        transceiver.iceTransport.stop();\n      }\n      if (transceiver.dtlsTransport) {\n        transceiver.dtlsTransport.stop();\n      }\n      if (transceiver.rtpSender) {\n        transceiver.rtpSender.stop();\n      }\n      if (transceiver.rtpReceiver) {\n        transceiver.rtpReceiver.stop();\n      }\n    });\n    // FIXME: clean up tracks, local streams, remote streams, etc\n    this._isClosed = true;\n    this._updateSignalingState('closed');\n  };\n\n  // Update the signaling state.\n  RTCPeerConnection.prototype._updateSignalingState = function(newState) {\n    this.signalingState = newState;\n    var event = new Event('signalingstatechange');\n    this._dispatchEvent('signalingstatechange', event);\n  };\n\n  // Determine whether to fire the negotiationneeded event.\n  RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {\n    var pc = this;\n    if (this.signalingState !== 'stable' || this.needNegotiation === true) {\n      return;\n    }\n    this.needNegotiation = true;\n    window.setTimeout(function() {\n      if (pc.needNegotiation) {\n        pc.needNegotiation = false;\n        var event = new Event('negotiationneeded');\n        pc._dispatchEvent('negotiationneeded', event);\n      }\n    }, 0);\n  };\n\n  // Update the ice connection state.\n  RTCPeerConnection.prototype._updateIceConnectionState = function() {\n    var newState;\n    var states = {\n      'new': 0,\n      closed: 0,\n      checking: 0,\n      connected: 0,\n      completed: 0,\n      disconnected: 0,\n      failed: 0\n    };\n    this.transceivers.forEach(function(transceiver) {\n      if (transceiver.iceTransport && !transceiver.rejected) {\n        states[transceiver.iceTransport.state]++;\n      }\n    });\n\n    newState = 'new';\n    if (states.failed > 0) {\n      newState = 'failed';\n    } else if (states.checking > 0) {\n      newState = 'checking';\n    } else if (states.disconnected > 0) {\n      newState = 'disconnected';\n    } else if (states.new > 0) {\n      newState = 'new';\n    } else if (states.connected > 0) {\n      newState = 'connected';\n    } else if (states.completed > 0) {\n      newState = 'completed';\n    }\n\n    if (newState !== this.iceConnectionState) {\n      this.iceConnectionState = newState;\n      var event = new Event('iceconnectionstatechange');\n      this._dispatchEvent('iceconnectionstatechange', event);\n    }\n  };\n\n  // Update the connection state.\n  RTCPeerConnection.prototype._updateConnectionState = function() {\n    var newState;\n    var states = {\n      'new': 0,\n      closed: 0,\n      connecting: 0,\n      connected: 0,\n      completed: 0,\n      disconnected: 0,\n      failed: 0\n    };\n    this.transceivers.forEach(function(transceiver) {\n      if (transceiver.iceTransport && transceiver.dtlsTransport &&\n          !transceiver.rejected) {\n        states[transceiver.iceTransport.state]++;\n        states[transceiver.dtlsTransport.state]++;\n      }\n    });\n    // ICETransport.completed and connected are the same for this purpose.\n    states.connected += states.completed;\n\n    newState = 'new';\n    if (states.failed > 0) {\n      newState = 'failed';\n    } else if (states.connecting > 0) {\n      newState = 'connecting';\n    } else if (states.disconnected > 0) {\n      newState = 'disconnected';\n    } else if (states.new > 0) {\n      newState = 'new';\n    } else if (states.connected > 0) {\n      newState = 'connected';\n    }\n\n    if (newState !== this.connectionState) {\n      this.connectionState = newState;\n      var event = new Event('connectionstatechange');\n      this._dispatchEvent('connectionstatechange', event);\n    }\n  };\n\n  RTCPeerConnection.prototype.createOffer = function() {\n    var pc = this;\n\n    if (pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createOffer after close'));\n    }\n\n    var numAudioTracks = pc.transceivers.filter(function(t) {\n      return t.kind === 'audio';\n    }).length;\n    var numVideoTracks = pc.transceivers.filter(function(t) {\n      return t.kind === 'video';\n    }).length;\n\n    // Determine number of audio and video tracks we need to send/recv.\n    var offerOptions = arguments[0];\n    if (offerOptions) {\n      // Reject Chrome legacy constraints.\n      if (offerOptions.mandatory || offerOptions.optional) {\n        throw new TypeError(\n            'Legacy mandatory/optional constraints not supported.');\n      }\n      if (offerOptions.offerToReceiveAudio !== undefined) {\n        if (offerOptions.offerToReceiveAudio === true) {\n          numAudioTracks = 1;\n        } else if (offerOptions.offerToReceiveAudio === false) {\n          numAudioTracks = 0;\n        } else {\n          numAudioTracks = offerOptions.offerToReceiveAudio;\n        }\n      }\n      if (offerOptions.offerToReceiveVideo !== undefined) {\n        if (offerOptions.offerToReceiveVideo === true) {\n          numVideoTracks = 1;\n        } else if (offerOptions.offerToReceiveVideo === false) {\n          numVideoTracks = 0;\n        } else {\n          numVideoTracks = offerOptions.offerToReceiveVideo;\n        }\n      }\n    }\n\n    pc.transceivers.forEach(function(transceiver) {\n      if (transceiver.kind === 'audio') {\n        numAudioTracks--;\n        if (numAudioTracks < 0) {\n          transceiver.wantReceive = false;\n        }\n      } else if (transceiver.kind === 'video') {\n        numVideoTracks--;\n        if (numVideoTracks < 0) {\n          transceiver.wantReceive = false;\n        }\n      }\n    });\n\n    // Create M-lines for recvonly streams.\n    while (numAudioTracks > 0 || numVideoTracks > 0) {\n      if (numAudioTracks > 0) {\n        pc._createTransceiver('audio');\n        numAudioTracks--;\n      }\n      if (numVideoTracks > 0) {\n        pc._createTransceiver('video');\n        numVideoTracks--;\n      }\n    }\n\n    var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,\n        pc._sdpSessionVersion++);\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      // For each track, create an ice gatherer, ice transport,\n      // dtls transport, potentially rtpsender and rtpreceiver.\n      var track = transceiver.track;\n      var kind = transceiver.kind;\n      var mid = transceiver.mid || SDPUtils.generateIdentifier();\n      transceiver.mid = mid;\n\n      if (!transceiver.iceGatherer) {\n        transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,\n            pc.usingBundle);\n      }\n\n      var localCapabilities = window.RTCRtpSender.getCapabilities(kind);\n      // filter RTX until additional stuff needed for RTX is implemented\n      // in adapter.js\n      if (edgeVersion < 15019) {\n        localCapabilities.codecs = localCapabilities.codecs.filter(\n            function(codec) {\n              return codec.name !== 'rtx';\n            });\n      }\n      localCapabilities.codecs.forEach(function(codec) {\n        // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552\n        // by adding level-asymmetry-allowed=1\n        if (codec.name === 'H264' &&\n            codec.parameters['level-asymmetry-allowed'] === undefined) {\n          codec.parameters['level-asymmetry-allowed'] = '1';\n        }\n\n        // for subsequent offers, we might have to re-use the payload\n        // type of the last offer.\n        if (transceiver.remoteCapabilities &&\n            transceiver.remoteCapabilities.codecs) {\n          transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec) {\n            if (codec.name.toLowerCase() === remoteCodec.name.toLowerCase() &&\n                codec.clockRate === remoteCodec.clockRate) {\n              codec.preferredPayloadType = remoteCodec.payloadType;\n            }\n          });\n        }\n      });\n      localCapabilities.headerExtensions.forEach(function(hdrExt) {\n        var remoteExtensions = transceiver.remoteCapabilities &&\n            transceiver.remoteCapabilities.headerExtensions || [];\n        remoteExtensions.forEach(function(rHdrExt) {\n          if (hdrExt.uri === rHdrExt.uri) {\n            hdrExt.id = rHdrExt.id;\n          }\n        });\n      });\n\n      // generate an ssrc now, to be used later in rtpSender.send\n      var sendEncodingParameters = transceiver.sendEncodingParameters || [{\n        ssrc: (2 * sdpMLineIndex + 1) * 1001\n      }];\n      if (track) {\n        // add RTX\n        if (edgeVersion >= 15019 && kind === 'video' &&\n            !sendEncodingParameters[0].rtx) {\n          sendEncodingParameters[0].rtx = {\n            ssrc: sendEncodingParameters[0].ssrc + 1\n          };\n        }\n      }\n\n      if (transceiver.wantReceive) {\n        transceiver.rtpReceiver = new window.RTCRtpReceiver(\n            transceiver.dtlsTransport, kind);\n      }\n\n      transceiver.localCapabilities = localCapabilities;\n      transceiver.sendEncodingParameters = sendEncodingParameters;\n    });\n\n    // always offer BUNDLE and dispose on return if not supported.\n    if (pc._config.bundlePolicy !== 'max-compat') {\n      sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {\n        return t.mid;\n      }).join(' ') + '\\r\\n';\n    }\n    sdp += 'a=ice-options:trickle\\r\\n';\n\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      sdp += writeMediaSection(transceiver, transceiver.localCapabilities,\n          'offer', transceiver.stream, pc._dtlsRole);\n      sdp += 'a=rtcp-rsize\\r\\n';\n\n      if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&\n          (sdpMLineIndex === 0 || !pc.usingBundle)) {\n        transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {\n          cand.component = 1;\n          sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\\r\\n';\n        });\n\n        if (transceiver.iceGatherer.state === 'completed') {\n          sdp += 'a=end-of-candidates\\r\\n';\n        }\n      }\n    });\n\n    var desc = new window.RTCSessionDescription({\n      type: 'offer',\n      sdp: sdp\n    });\n    return Promise.resolve(desc);\n  };\n\n  RTCPeerConnection.prototype.createAnswer = function() {\n    var pc = this;\n\n    if (pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createAnswer after close'));\n    }\n\n    if (!(pc.signalingState === 'have-remote-offer' ||\n        pc.signalingState === 'have-local-pranswer')) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createAnswer in signalingState ' + pc.signalingState));\n    }\n\n    var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,\n        pc._sdpSessionVersion++);\n    if (pc.usingBundle) {\n      sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {\n        return t.mid;\n      }).join(' ') + '\\r\\n';\n    }\n    sdp += 'a=ice-options:trickle\\r\\n';\n\n    var mediaSectionsInOffer = SDPUtils.getMediaSections(\n        pc._remoteDescription.sdp).length;\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      if (sdpMLineIndex + 1 > mediaSectionsInOffer) {\n        return;\n      }\n      if (transceiver.rejected) {\n        if (transceiver.kind === 'application') {\n          if (transceiver.protocol === 'DTLS/SCTP') { // legacy fmt\n            sdp += 'm=application 0 DTLS/SCTP 5000\\r\\n';\n          } else {\n            sdp += 'm=application 0 ' + transceiver.protocol +\n                ' webrtc-datachannel\\r\\n';\n          }\n        } else if (transceiver.kind === 'audio') {\n          sdp += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\\r\\n' +\n              'a=rtpmap:0 PCMU/8000\\r\\n';\n        } else if (transceiver.kind === 'video') {\n          sdp += 'm=video 0 UDP/TLS/RTP/SAVPF 120\\r\\n' +\n              'a=rtpmap:120 VP8/90000\\r\\n';\n        }\n        sdp += 'c=IN IP4 0.0.0.0\\r\\n' +\n            'a=inactive\\r\\n' +\n            'a=mid:' + transceiver.mid + '\\r\\n';\n        return;\n      }\n\n      // FIXME: look at direction.\n      if (transceiver.stream) {\n        var localTrack;\n        if (transceiver.kind === 'audio') {\n          localTrack = transceiver.stream.getAudioTracks()[0];\n        } else if (transceiver.kind === 'video') {\n          localTrack = transceiver.stream.getVideoTracks()[0];\n        }\n        if (localTrack) {\n          // add RTX\n          if (edgeVersion >= 15019 && transceiver.kind === 'video' &&\n              !transceiver.sendEncodingParameters[0].rtx) {\n            transceiver.sendEncodingParameters[0].rtx = {\n              ssrc: transceiver.sendEncodingParameters[0].ssrc + 1\n            };\n          }\n        }\n      }\n\n      // Calculate intersection of capabilities.\n      var commonCapabilities = getCommonCapabilities(\n          transceiver.localCapabilities,\n          transceiver.remoteCapabilities);\n\n      var hasRtx = commonCapabilities.codecs.filter(function(c) {\n        return c.name.toLowerCase() === 'rtx';\n      }).length;\n      if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {\n        delete transceiver.sendEncodingParameters[0].rtx;\n      }\n\n      sdp += writeMediaSection(transceiver, commonCapabilities,\n          'answer', transceiver.stream, pc._dtlsRole);\n      if (transceiver.rtcpParameters &&\n          transceiver.rtcpParameters.reducedSize) {\n        sdp += 'a=rtcp-rsize\\r\\n';\n      }\n    });\n\n    var desc = new window.RTCSessionDescription({\n      type: 'answer',\n      sdp: sdp\n    });\n    return Promise.resolve(desc);\n  };\n\n  RTCPeerConnection.prototype.addIceCandidate = function(candidate) {\n    var pc = this;\n    var sections;\n    if (candidate && !(candidate.sdpMLineIndex !== undefined ||\n        candidate.sdpMid)) {\n      return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));\n    }\n\n    // TODO: needs to go into ops queue.\n    return new Promise(function(resolve, reject) {\n      if (!pc._remoteDescription) {\n        return reject(makeError('InvalidStateError',\n            'Can not add ICE candidate without a remote description'));\n      } else if (!candidate || candidate.candidate === '') {\n        for (var j = 0; j < pc.transceivers.length; j++) {\n          if (pc.transceivers[j].rejected) {\n            continue;\n          }\n          pc.transceivers[j].iceTransport.addRemoteCandidate({});\n          sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);\n          sections[j] += 'a=end-of-candidates\\r\\n';\n          pc._remoteDescription.sdp =\n              SDPUtils.getDescription(pc._remoteDescription.sdp) +\n              sections.join('');\n          if (pc.usingBundle) {\n            break;\n          }\n        }\n      } else {\n        var sdpMLineIndex = candidate.sdpMLineIndex;\n        if (candidate.sdpMid) {\n          for (var i = 0; i < pc.transceivers.length; i++) {\n            if (pc.transceivers[i].mid === candidate.sdpMid) {\n              sdpMLineIndex = i;\n              break;\n            }\n          }\n        }\n        var transceiver = pc.transceivers[sdpMLineIndex];\n        if (transceiver) {\n          if (transceiver.rejected) {\n            return resolve();\n          }\n          var cand = Object.keys(candidate.candidate).length > 0 ?\n              SDPUtils.parseCandidate(candidate.candidate) : {};\n          // Ignore Chrome's invalid candidates since Edge does not like them.\n          if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {\n            return resolve();\n          }\n          // Ignore RTCP candidates, we assume RTCP-MUX.\n          if (cand.component && cand.component !== 1) {\n            return resolve();\n          }\n          // when using bundle, avoid adding candidates to the wrong\n          // ice transport. And avoid adding candidates added in the SDP.\n          if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&\n              transceiver.iceTransport !== pc.transceivers[0].iceTransport)) {\n            if (!maybeAddCandidate(transceiver.iceTransport, cand)) {\n              return reject(makeError('OperationError',\n                  'Can not add ICE candidate'));\n            }\n          }\n\n          // update the remoteDescription.\n          var candidateString = candidate.candidate.trim();\n          if (candidateString.indexOf('a=') === 0) {\n            candidateString = candidateString.substr(2);\n          }\n          sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);\n          sections[sdpMLineIndex] += 'a=' +\n              (cand.type ? candidateString : 'end-of-candidates')\n              + '\\r\\n';\n          pc._remoteDescription.sdp =\n              SDPUtils.getDescription(pc._remoteDescription.sdp) +\n              sections.join('');\n        } else {\n          return reject(makeError('OperationError',\n              'Can not add ICE candidate'));\n        }\n      }\n      resolve();\n    });\n  };\n\n  RTCPeerConnection.prototype.getStats = function(selector) {\n    if (selector && selector instanceof window.MediaStreamTrack) {\n      var senderOrReceiver = null;\n      this.transceivers.forEach(function(transceiver) {\n        if (transceiver.rtpSender &&\n            transceiver.rtpSender.track === selector) {\n          senderOrReceiver = transceiver.rtpSender;\n        } else if (transceiver.rtpReceiver &&\n            transceiver.rtpReceiver.track === selector) {\n          senderOrReceiver = transceiver.rtpReceiver;\n        }\n      });\n      if (!senderOrReceiver) {\n        throw makeError('InvalidAccessError', 'Invalid selector.');\n      }\n      return senderOrReceiver.getStats();\n    }\n\n    var promises = [];\n    this.transceivers.forEach(function(transceiver) {\n      ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',\n          'dtlsTransport'].forEach(function(method) {\n            if (transceiver[method]) {\n              promises.push(transceiver[method].getStats());\n            }\n          });\n    });\n    return Promise.all(promises).then(function(allStats) {\n      var results = new Map();\n      allStats.forEach(function(stats) {\n        stats.forEach(function(stat) {\n          results.set(stat.id, stat);\n        });\n      });\n      return results;\n    });\n  };\n\n  // fix low-level stat names and return Map instead of object.\n  var ortcObjects = ['RTCRtpSender', 'RTCRtpReceiver', 'RTCIceGatherer',\n    'RTCIceTransport', 'RTCDtlsTransport'];\n  ortcObjects.forEach(function(ortcObjectName) {\n    var obj = window[ortcObjectName];\n    if (obj && obj.prototype && obj.prototype.getStats) {\n      var nativeGetstats = obj.prototype.getStats;\n      obj.prototype.getStats = function() {\n        return nativeGetstats.apply(this)\n        .then(function(nativeStats) {\n          var mapStats = new Map();\n          Object.keys(nativeStats).forEach(function(id) {\n            nativeStats[id].type = fixStatsType(nativeStats[id]);\n            mapStats.set(id, nativeStats[id]);\n          });\n          return mapStats;\n        });\n      };\n    }\n  });\n\n  // legacy callback shims. Should be moved to adapter.js some days.\n  var methods = ['createOffer', 'createAnswer'];\n  methods.forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[0] === 'function' ||\n          typeof args[1] === 'function') { // legacy\n        return nativeMethod.apply(this, [arguments[2]])\n        .then(function(description) {\n          if (typeof args[0] === 'function') {\n            args[0].apply(null, [description]);\n          }\n        }, function(error) {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null, [error]);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];\n  methods.forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[1] === 'function' ||\n          typeof args[2] === 'function') { // legacy\n        return nativeMethod.apply(this, arguments)\n        .then(function() {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null);\n          }\n        }, function(error) {\n          if (typeof args[2] === 'function') {\n            args[2].apply(null, [error]);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  // getStats is special. It doesn't have a spec legacy method yet we support\n  // getStats(something, cb) without error callbacks.\n  ['getStats'].forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[1] === 'function') {\n        return nativeMethod.apply(this, arguments)\n        .then(function() {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  return RTCPeerConnection;\n};\n\n},{\"sdp\":17}],17:[function(require,module,exports){\n/* eslint-env node */\n'use strict';\n\n// SDP helpers.\nvar SDPUtils = {};\n\n// Generate an alphanumeric identifier for cname or mids.\n// TODO: use UUIDs instead? https://gist.github.com/jed/982883\nSDPUtils.generateIdentifier = function() {\n  return Math.random().toString(36).substr(2, 10);\n};\n\n// The RTCP CNAME used by all peerconnections from the same JS.\nSDPUtils.localCName = SDPUtils.generateIdentifier();\n\n// Splits SDP into lines, dealing with both CRLF and LF.\nSDPUtils.splitLines = function(blob) {\n  return blob.trim().split('\\n').map(function(line) {\n    return line.trim();\n  });\n};\n// Splits SDP into sessionpart and mediasections. Ensures CRLF.\nSDPUtils.splitSections = function(blob) {\n  var parts = blob.split('\\nm=');\n  return parts.map(function(part, index) {\n    return (index > 0 ? 'm=' + part : part).trim() + '\\r\\n';\n  });\n};\n\n// returns the session description.\nSDPUtils.getDescription = function(blob) {\n  var sections = SDPUtils.splitSections(blob);\n  return sections && sections[0];\n};\n\n// returns the individual media sections.\nSDPUtils.getMediaSections = function(blob) {\n  var sections = SDPUtils.splitSections(blob);\n  sections.shift();\n  return sections;\n};\n\n// Returns lines that start with a certain prefix.\nSDPUtils.matchPrefix = function(blob, prefix) {\n  return SDPUtils.splitLines(blob).filter(function(line) {\n    return line.indexOf(prefix) === 0;\n  });\n};\n\n// Parses an ICE candidate line. Sample input:\n// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8\n// rport 55996\"\nSDPUtils.parseCandidate = function(line) {\n  var parts;\n  // Parse both variants.\n  if (line.indexOf('a=candidate:') === 0) {\n    parts = line.substring(12).split(' ');\n  } else {\n    parts = line.substring(10).split(' ');\n  }\n\n  var candidate = {\n    foundation: parts[0],\n    component: parseInt(parts[1], 10),\n    protocol: parts[2].toLowerCase(),\n    priority: parseInt(parts[3], 10),\n    ip: parts[4],\n    address: parts[4], // address is an alias for ip.\n    port: parseInt(parts[5], 10),\n    // skip parts[6] == 'typ'\n    type: parts[7]\n  };\n\n  for (var i = 8; i < parts.length; i += 2) {\n    switch (parts[i]) {\n      case 'raddr':\n        candidate.relatedAddress = parts[i + 1];\n        break;\n      case 'rport':\n        candidate.relatedPort = parseInt(parts[i + 1], 10);\n        break;\n      case 'tcptype':\n        candidate.tcpType = parts[i + 1];\n        break;\n      case 'ufrag':\n        candidate.ufrag = parts[i + 1]; // for backward compability.\n        candidate.usernameFragment = parts[i + 1];\n        break;\n      default: // extension handling, in particular ufrag\n        candidate[parts[i]] = parts[i + 1];\n        break;\n    }\n  }\n  return candidate;\n};\n\n// Translates a candidate object into SDP candidate attribute.\nSDPUtils.writeCandidate = function(candidate) {\n  var sdp = [];\n  sdp.push(candidate.foundation);\n  sdp.push(candidate.component);\n  sdp.push(candidate.protocol.toUpperCase());\n  sdp.push(candidate.priority);\n  sdp.push(candidate.address || candidate.ip);\n  sdp.push(candidate.port);\n\n  var type = candidate.type;\n  sdp.push('typ');\n  sdp.push(type);\n  if (type !== 'host' && candidate.relatedAddress &&\n      candidate.relatedPort) {\n    sdp.push('raddr');\n    sdp.push(candidate.relatedAddress);\n    sdp.push('rport');\n    sdp.push(candidate.relatedPort);\n  }\n  if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {\n    sdp.push('tcptype');\n    sdp.push(candidate.tcpType);\n  }\n  if (candidate.usernameFragment || candidate.ufrag) {\n    sdp.push('ufrag');\n    sdp.push(candidate.usernameFragment || candidate.ufrag);\n  }\n  return 'candidate:' + sdp.join(' ');\n};\n\n// Parses an ice-options line, returns an array of option tags.\n// a=ice-options:foo bar\nSDPUtils.parseIceOptions = function(line) {\n  return line.substr(14).split(' ');\n};\n\n// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:\n// a=rtpmap:111 opus/48000/2\nSDPUtils.parseRtpMap = function(line) {\n  var parts = line.substr(9).split(' ');\n  var parsed = {\n    payloadType: parseInt(parts.shift(), 10) // was: id\n  };\n\n  parts = parts[0].split('/');\n\n  parsed.name = parts[0];\n  parsed.clockRate = parseInt(parts[1], 10); // was: clockrate\n  parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;\n  // legacy alias, got renamed back to channels in ORTC.\n  parsed.numChannels = parsed.channels;\n  return parsed;\n};\n\n// Generate an a=rtpmap line from RTCRtpCodecCapability or\n// RTCRtpCodecParameters.\nSDPUtils.writeRtpMap = function(codec) {\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  var channels = codec.channels || codec.numChannels || 1;\n  return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +\n      (channels !== 1 ? '/' + channels : '') + '\\r\\n';\n};\n\n// Parses an a=extmap line (headerextension from RFC 5285). Sample input:\n// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\n// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset\nSDPUtils.parseExtmap = function(line) {\n  var parts = line.substr(9).split(' ');\n  return {\n    id: parseInt(parts[0], 10),\n    direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',\n    uri: parts[1]\n  };\n};\n\n// Generates a=extmap line from RTCRtpHeaderExtensionParameters or\n// RTCRtpHeaderExtension.\nSDPUtils.writeExtmap = function(headerExtension) {\n  return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +\n      (headerExtension.direction && headerExtension.direction !== 'sendrecv'\n        ? '/' + headerExtension.direction\n        : '') +\n      ' ' + headerExtension.uri + '\\r\\n';\n};\n\n// Parses an ftmp line, returns dictionary. Sample input:\n// a=fmtp:96 vbr=on;cng=on\n// Also deals with vbr=on; cng=on\nSDPUtils.parseFmtp = function(line) {\n  var parsed = {};\n  var kv;\n  var parts = line.substr(line.indexOf(' ') + 1).split(';');\n  for (var j = 0; j < parts.length; j++) {\n    kv = parts[j].trim().split('=');\n    parsed[kv[0].trim()] = kv[1];\n  }\n  return parsed;\n};\n\n// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeFmtp = function(codec) {\n  var line = '';\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.parameters && Object.keys(codec.parameters).length) {\n    var params = [];\n    Object.keys(codec.parameters).forEach(function(param) {\n      if (codec.parameters[param]) {\n        params.push(param + '=' + codec.parameters[param]);\n      } else {\n        params.push(param);\n      }\n    });\n    line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\\r\\n';\n  }\n  return line;\n};\n\n// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:\n// a=rtcp-fb:98 nack rpsi\nSDPUtils.parseRtcpFb = function(line) {\n  var parts = line.substr(line.indexOf(' ') + 1).split(' ');\n  return {\n    type: parts.shift(),\n    parameter: parts.join(' ')\n  };\n};\n// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeRtcpFb = function(codec) {\n  var lines = '';\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.rtcpFeedback && codec.rtcpFeedback.length) {\n    // FIXME: special handling for trr-int?\n    codec.rtcpFeedback.forEach(function(fb) {\n      lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +\n      (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +\n          '\\r\\n';\n    });\n  }\n  return lines;\n};\n\n// Parses an RFC 5576 ssrc media attribute. Sample input:\n// a=ssrc:3735928559 cname:something\nSDPUtils.parseSsrcMedia = function(line) {\n  var sp = line.indexOf(' ');\n  var parts = {\n    ssrc: parseInt(line.substr(7, sp - 7), 10)\n  };\n  var colon = line.indexOf(':', sp);\n  if (colon > -1) {\n    parts.attribute = line.substr(sp + 1, colon - sp - 1);\n    parts.value = line.substr(colon + 1);\n  } else {\n    parts.attribute = line.substr(sp + 1);\n  }\n  return parts;\n};\n\nSDPUtils.parseSsrcGroup = function(line) {\n  var parts = line.substr(13).split(' ');\n  return {\n    semantics: parts.shift(),\n    ssrcs: parts.map(function(ssrc) {\n      return parseInt(ssrc, 10);\n    })\n  };\n};\n\n// Extracts the MID (RFC 5888) from a media section.\n// returns the MID or undefined if no mid line was found.\nSDPUtils.getMid = function(mediaSection) {\n  var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];\n  if (mid) {\n    return mid.substr(6);\n  }\n};\n\nSDPUtils.parseFingerprint = function(line) {\n  var parts = line.substr(14).split(' ');\n  return {\n    algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.\n    value: parts[1]\n  };\n};\n\n// Extracts DTLS parameters from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the fingerprint line as input. See also getIceParameters.\nSDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {\n  var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=fingerprint:');\n  // Note: a=setup line is ignored since we use the 'auto' role.\n  // Note2: 'algorithm' is not case sensitive except in Edge.\n  return {\n    role: 'auto',\n    fingerprints: lines.map(SDPUtils.parseFingerprint)\n  };\n};\n\n// Serializes DTLS parameters to SDP.\nSDPUtils.writeDtlsParameters = function(params, setupType) {\n  var sdp = 'a=setup:' + setupType + '\\r\\n';\n  params.fingerprints.forEach(function(fp) {\n    sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\\r\\n';\n  });\n  return sdp;\n};\n// Parses ICE information from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the ice-ufrag and ice-pwd lines as input.\nSDPUtils.getIceParameters = function(mediaSection, sessionpart) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  // Search in session part, too.\n  lines = lines.concat(SDPUtils.splitLines(sessionpart));\n  var iceParameters = {\n    usernameFragment: lines.filter(function(line) {\n      return line.indexOf('a=ice-ufrag:') === 0;\n    })[0].substr(12),\n    password: lines.filter(function(line) {\n      return line.indexOf('a=ice-pwd:') === 0;\n    })[0].substr(10)\n  };\n  return iceParameters;\n};\n\n// Serializes ICE parameters to SDP.\nSDPUtils.writeIceParameters = function(params) {\n  return 'a=ice-ufrag:' + params.usernameFragment + '\\r\\n' +\n      'a=ice-pwd:' + params.password + '\\r\\n';\n};\n\n// Parses the SDP media section and returns RTCRtpParameters.\nSDPUtils.parseRtpParameters = function(mediaSection) {\n  var description = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: [],\n    rtcp: []\n  };\n  var lines = SDPUtils.splitLines(mediaSection);\n  var mline = lines[0].split(' ');\n  for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]\n    var pt = mline[i];\n    var rtpmapline = SDPUtils.matchPrefix(\n      mediaSection, 'a=rtpmap:' + pt + ' ')[0];\n    if (rtpmapline) {\n      var codec = SDPUtils.parseRtpMap(rtpmapline);\n      var fmtps = SDPUtils.matchPrefix(\n        mediaSection, 'a=fmtp:' + pt + ' ');\n      // Only the first a=fmtp:<pt> is considered.\n      codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};\n      codec.rtcpFeedback = SDPUtils.matchPrefix(\n        mediaSection, 'a=rtcp-fb:' + pt + ' ')\n        .map(SDPUtils.parseRtcpFb);\n      description.codecs.push(codec);\n      // parse FEC mechanisms from rtpmap lines.\n      switch (codec.name.toUpperCase()) {\n        case 'RED':\n        case 'ULPFEC':\n          description.fecMechanisms.push(codec.name.toUpperCase());\n          break;\n        default: // only RED and ULPFEC are recognized as FEC mechanisms.\n          break;\n      }\n    }\n  }\n  SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {\n    description.headerExtensions.push(SDPUtils.parseExtmap(line));\n  });\n  // FIXME: parse rtcp.\n  return description;\n};\n\n// Generates parts of the SDP media section describing the capabilities /\n// parameters.\nSDPUtils.writeRtpDescription = function(kind, caps) {\n  var sdp = '';\n\n  // Build the mline.\n  sdp += 'm=' + kind + ' ';\n  sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.\n  sdp += ' UDP/TLS/RTP/SAVPF ';\n  sdp += caps.codecs.map(function(codec) {\n    if (codec.preferredPayloadType !== undefined) {\n      return codec.preferredPayloadType;\n    }\n    return codec.payloadType;\n  }).join(' ') + '\\r\\n';\n\n  sdp += 'c=IN IP4 0.0.0.0\\r\\n';\n  sdp += 'a=rtcp:9 IN IP4 0.0.0.0\\r\\n';\n\n  // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.\n  caps.codecs.forEach(function(codec) {\n    sdp += SDPUtils.writeRtpMap(codec);\n    sdp += SDPUtils.writeFmtp(codec);\n    sdp += SDPUtils.writeRtcpFb(codec);\n  });\n  var maxptime = 0;\n  caps.codecs.forEach(function(codec) {\n    if (codec.maxptime > maxptime) {\n      maxptime = codec.maxptime;\n    }\n  });\n  if (maxptime > 0) {\n    sdp += 'a=maxptime:' + maxptime + '\\r\\n';\n  }\n  sdp += 'a=rtcp-mux\\r\\n';\n\n  if (caps.headerExtensions) {\n    caps.headerExtensions.forEach(function(extension) {\n      sdp += SDPUtils.writeExtmap(extension);\n    });\n  }\n  // FIXME: write fecMechanisms.\n  return sdp;\n};\n\n// Parses the SDP media section and returns an array of\n// RTCRtpEncodingParameters.\nSDPUtils.parseRtpEncodingParameters = function(mediaSection) {\n  var encodingParameters = [];\n  var description = SDPUtils.parseRtpParameters(mediaSection);\n  var hasRed = description.fecMechanisms.indexOf('RED') !== -1;\n  var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;\n\n  // filter a=ssrc:... cname:, ignore PlanB-msid\n  var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(parts) {\n      return parts.attribute === 'cname';\n    });\n  var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;\n  var secondarySsrc;\n\n  var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')\n    .map(function(line) {\n      var parts = line.substr(17).split(' ');\n      return parts.map(function(part) {\n        return parseInt(part, 10);\n      });\n    });\n  if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {\n    secondarySsrc = flows[0][1];\n  }\n\n  description.codecs.forEach(function(codec) {\n    if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {\n      var encParam = {\n        ssrc: primarySsrc,\n        codecPayloadType: parseInt(codec.parameters.apt, 10)\n      };\n      if (primarySsrc && secondarySsrc) {\n        encParam.rtx = {ssrc: secondarySsrc};\n      }\n      encodingParameters.push(encParam);\n      if (hasRed) {\n        encParam = JSON.parse(JSON.stringify(encParam));\n        encParam.fec = {\n          ssrc: primarySsrc,\n          mechanism: hasUlpfec ? 'red+ulpfec' : 'red'\n        };\n        encodingParameters.push(encParam);\n      }\n    }\n  });\n  if (encodingParameters.length === 0 && primarySsrc) {\n    encodingParameters.push({\n      ssrc: primarySsrc\n    });\n  }\n\n  // we support both b=AS and b=TIAS but interpret AS as TIAS.\n  var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');\n  if (bandwidth.length) {\n    if (bandwidth[0].indexOf('b=TIAS:') === 0) {\n      bandwidth = parseInt(bandwidth[0].substr(7), 10);\n    } else if (bandwidth[0].indexOf('b=AS:') === 0) {\n      // use formula from JSEP to convert b=AS to TIAS value.\n      bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95\n          - (50 * 40 * 8);\n    } else {\n      bandwidth = undefined;\n    }\n    encodingParameters.forEach(function(params) {\n      params.maxBitrate = bandwidth;\n    });\n  }\n  return encodingParameters;\n};\n\n// parses http://draft.ortc.org/#rtcrtcpparameters*\nSDPUtils.parseRtcpParameters = function(mediaSection) {\n  var rtcpParameters = {};\n\n  // Gets the first SSRC. Note tha with RTX there might be multiple\n  // SSRCs.\n  var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(obj) {\n      return obj.attribute === 'cname';\n    })[0];\n  if (remoteSsrc) {\n    rtcpParameters.cname = remoteSsrc.value;\n    rtcpParameters.ssrc = remoteSsrc.ssrc;\n  }\n\n  // Edge uses the compound attribute instead of reducedSize\n  // compound is !reducedSize\n  var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');\n  rtcpParameters.reducedSize = rsize.length > 0;\n  rtcpParameters.compound = rsize.length === 0;\n\n  // parses the rtcp-mux attrіbute.\n  // Note that Edge does not support unmuxed RTCP.\n  var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');\n  rtcpParameters.mux = mux.length > 0;\n\n  return rtcpParameters;\n};\n\n// parses either a=msid: or a=ssrc:... msid lines and returns\n// the id of the MediaStream and MediaStreamTrack.\nSDPUtils.parseMsid = function(mediaSection) {\n  var parts;\n  var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');\n  if (spec.length === 1) {\n    parts = spec[0].substr(7).split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n  var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(msidParts) {\n      return msidParts.attribute === 'msid';\n    });\n  if (planB.length > 0) {\n    parts = planB[0].value.split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n};\n\n// SCTP\n// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back\n// to draft-ietf-mmusic-sctp-sdp-05\nSDPUtils.parseSctpDescription = function(mediaSection) {\n  var mline = SDPUtils.parseMLine(mediaSection);\n  var maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');\n  var maxMessageSize;\n  if (maxSizeLine.length > 0) {\n    maxMessageSize = parseInt(maxSizeLine[0].substr(19), 10);\n  }\n  if (isNaN(maxMessageSize)) {\n    maxMessageSize = 65536;\n  }\n  var sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');\n  if (sctpPort.length > 0) {\n    return {\n      port: parseInt(sctpPort[0].substr(12), 10),\n      protocol: mline.fmt,\n      maxMessageSize: maxMessageSize\n    };\n  }\n  var sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');\n  if (sctpMapLines.length > 0) {\n    var parts = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:')[0]\n      .substr(10)\n      .split(' ');\n    return {\n      port: parseInt(parts[0], 10),\n      protocol: parts[1],\n      maxMessageSize: maxMessageSize\n    };\n  }\n};\n\n// SCTP\n// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers\n// support by now receiving in this format, unless we originally parsed\n// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line\n// protocol of DTLS/SCTP -- without UDP/ or TCP/)\nSDPUtils.writeSctpDescription = function(media, sctp) {\n  var output = [];\n  if (media.protocol !== 'DTLS/SCTP') {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctp-port:' + sctp.port + '\\r\\n'\n    ];\n  } else {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\\r\\n'\n    ];\n  }\n  if (sctp.maxMessageSize !== undefined) {\n    output.push('a=max-message-size:' + sctp.maxMessageSize + '\\r\\n');\n  }\n  return output.join('');\n};\n\n// Generate a session ID for SDP.\n// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1\n// recommends using a cryptographically random +ve 64-bit value\n// but right now this should be acceptable and within the right range\nSDPUtils.generateSessionId = function() {\n  return Math.random().toString().substr(2, 21);\n};\n\n// Write boilder plate for start of SDP\n// sessId argument is optional - if not supplied it will\n// be generated randomly\n// sessVersion is optional and defaults to 2\n// sessUser is optional and defaults to 'thisisadapterortc'\nSDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {\n  var sessionId;\n  var version = sessVer !== undefined ? sessVer : 2;\n  if (sessId) {\n    sessionId = sessId;\n  } else {\n    sessionId = SDPUtils.generateSessionId();\n  }\n  var user = sessUser || 'thisisadapterortc';\n  // FIXME: sess-id should be an NTP timestamp.\n  return 'v=0\\r\\n' +\n      'o=' + user + ' ' + sessionId + ' ' + version +\n        ' IN IP4 127.0.0.1\\r\\n' +\n      's=-\\r\\n' +\n      't=0 0\\r\\n';\n};\n\nSDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {\n  var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);\n\n  // Map ICE parameters (ufrag, pwd) to SDP.\n  sdp += SDPUtils.writeIceParameters(\n    transceiver.iceGatherer.getLocalParameters());\n\n  // Map DTLS parameters to SDP.\n  sdp += SDPUtils.writeDtlsParameters(\n    transceiver.dtlsTransport.getLocalParameters(),\n    type === 'offer' ? 'actpass' : 'active');\n\n  sdp += 'a=mid:' + transceiver.mid + '\\r\\n';\n\n  if (transceiver.direction) {\n    sdp += 'a=' + transceiver.direction + '\\r\\n';\n  } else if (transceiver.rtpSender && transceiver.rtpReceiver) {\n    sdp += 'a=sendrecv\\r\\n';\n  } else if (transceiver.rtpSender) {\n    sdp += 'a=sendonly\\r\\n';\n  } else if (transceiver.rtpReceiver) {\n    sdp += 'a=recvonly\\r\\n';\n  } else {\n    sdp += 'a=inactive\\r\\n';\n  }\n\n  if (transceiver.rtpSender) {\n    // spec.\n    var msid = 'msid:' + stream.id + ' ' +\n        transceiver.rtpSender.track.id + '\\r\\n';\n    sdp += 'a=' + msid;\n\n    // for Chrome.\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n        ' ' + msid;\n    if (transceiver.sendEncodingParameters[0].rtx) {\n      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n          ' ' + msid;\n      sdp += 'a=ssrc-group:FID ' +\n          transceiver.sendEncodingParameters[0].ssrc + ' ' +\n          transceiver.sendEncodingParameters[0].rtx.ssrc +\n          '\\r\\n';\n    }\n  }\n  // FIXME: this should be written by writeRtpDescription.\n  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n      ' cname:' + SDPUtils.localCName + '\\r\\n';\n  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n        ' cname:' + SDPUtils.localCName + '\\r\\n';\n  }\n  return sdp;\n};\n\n// Gets the direction from the mediaSection or the sessionpart.\nSDPUtils.getDirection = function(mediaSection, sessionpart) {\n  // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.\n  var lines = SDPUtils.splitLines(mediaSection);\n  for (var i = 0; i < lines.length; i++) {\n    switch (lines[i]) {\n      case 'a=sendrecv':\n      case 'a=sendonly':\n      case 'a=recvonly':\n      case 'a=inactive':\n        return lines[i].substr(2);\n      default:\n        // FIXME: What should happen here?\n    }\n  }\n  if (sessionpart) {\n    return SDPUtils.getDirection(sessionpart);\n  }\n  return 'sendrecv';\n};\n\nSDPUtils.getKind = function(mediaSection) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  var mline = lines[0].split(' ');\n  return mline[0].substr(2);\n};\n\nSDPUtils.isRejected = function(mediaSection) {\n  return mediaSection.split(' ', 2)[1] === '0';\n};\n\nSDPUtils.parseMLine = function(mediaSection) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  var parts = lines[0].substr(2).split(' ');\n  return {\n    kind: parts[0],\n    port: parseInt(parts[1], 10),\n    protocol: parts[2],\n    fmt: parts.slice(3).join(' ')\n  };\n};\n\nSDPUtils.parseOLine = function(mediaSection) {\n  var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];\n  var parts = line.substr(2).split(' ');\n  return {\n    username: parts[0],\n    sessionId: parts[1],\n    sessionVersion: parseInt(parts[2], 10),\n    netType: parts[3],\n    addressType: parts[4],\n    address: parts[5]\n  };\n};\n\n// a very naive interpretation of a valid SDP.\nSDPUtils.isValidSDP = function(blob) {\n  if (typeof blob !== 'string' || blob.length === 0) {\n    return false;\n  }\n  var lines = SDPUtils.splitLines(blob);\n  for (var i = 0; i < lines.length; i++) {\n    if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {\n      return false;\n    }\n    // TODO: check the modifier a bit more.\n  }\n  return true;\n};\n\n// Expose public methods.\nif (typeof module === 'object') {\n  module.exports = SDPUtils;\n}\n\n},{}]},{},[1])(1)\n});"],"file":"adapter.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_base.min.js b/lib/amd/build/chart_base.min.js
index 8ddbafe76a5..27bbfae76ad 100644
--- a/lib/amd/build/chart_base.min.js
+++ b/lib/amd/build/chart_base.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core/chart_base",["core/chart_series","core/chart_axis"],function(a,b){function c(){this._series=[];this._labels=[];this._xaxes=[];this._yaxes=[];this._setDefaults()}c.prototype._series=null;c.prototype._labels=null;c.prototype._legendOptions=null;c.prototype._title=null;c.prototype._xaxes=null;c.prototype._yaxes=null;c.prototype.COLORSET=["#f3c300","#875692","#f38400","#a1caf1","#be0032","#c2b280","#7f180d","#008856","#e68fac","#0067a5"];c.prototype._configColorSet=null;c.prototype.TYPE=null;c.prototype.addSeries=function(a){this._validateSeries(a);this._series.push(a);if(null===a.getColor()){var b=this.getConfigColorSet()||c.prototype.COLORSET;a.setColor(b[this._series.length%b.length])}};c.prototype.create=function(c,d){var e=new c;e.setConfigColorSet(d.config_colorset);e.setLabels(d.labels);e.setTitle(d.title);if(d.legend_options){e.setLegendOptions(d.legend_options)}d.series.forEach(function(b){e.addSeries(a.prototype.create(b))});d.axes.x.forEach(function(a,c){e.setXAxis(b.prototype.create(a),c)});d.axes.y.forEach(function(a,c){e.setYAxis(b.prototype.create(a),c)});return e};c.prototype.__getAxis=function(a,c,d){var e="x"===a?this._xaxes:this._yaxes,f=("x"===a?this.setXAxis:this.setYAxis).bind(this),g;c="undefined"==typeof c?0:c;d="undefined"==typeof d?!1:d;g=e[c];if("undefined"==typeof g){if(!d){throw new Error("Unknown axis.")}g=new b;f(g,c)}return g};c.prototype.getConfigColorSet=function(){return this._configColorSet};c.prototype.getLabels=function(){return this._labels};c.prototype.getLegendOptions=function(){return this._legendOptions};c.prototype.getSeries=function(){return this._series};c.prototype.getTitle=function(){return this._title};c.prototype.getType=function(){if(!this.TYPE){throw new Error("The TYPE property has not been set.")}return this.TYPE};c.prototype.getXAxes=function(){return this._xaxes};c.prototype.getXAxis=function(a,b){return this.__getAxis("x",a,b)};c.prototype.getYAxes=function(){return this._yaxes};c.prototype.getYAxis=function(a,b){return this.__getAxis("y",a,b)};c.prototype.setConfigColorSet=function(a){this._configColorSet=a};c.prototype._setDefaults=function(){};c.prototype.setLabels=function(a){if(a.length&&this._series.length&&this._series[0].length!=a.length){throw new Error("Series must match label values.")}this._labels=a};c.prototype.setLegendOptions=function(a){if("object"!==_typeof(a)){throw new Error("Setting legend with non-object value:"+a)}this._legendOptions=a};c.prototype.setTitle=function(a){this._title=a};c.prototype.setXAxis=function(a,b){b="undefined"==typeof b?0:b;this._validateAxis("x",a,b);this._xaxes[b]=a};c.prototype.setYAxis=function(a,b){b="undefined"==typeof b?0:b;this._validateAxis("y",a,b);this._yaxes[b]=a};c.prototype._validateAxis=function(a,b,c){c="undefined"==typeof c?0:c;if(0<c){var d="x"==a?this._xaxes:this._yaxes;if("undefined"==typeof d[c-1]){throw new Error("Missing "+a+" axis at index lower than "+c)}}};c.prototype._validateSeries=function(a){if(this._series.length&&this._series[0].getCount()!=a.getCount()){throw new Error("Series do not have an equal number of values.")}else if(this._labels.length&&this._labels.length!=a.getCount()){throw new Error("Series must match label values.")}};return c});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/chart_base",["core/chart_series","core/chart_axis"],function(a,b){function c(){this._series=[];this._labels=[];this._xaxes=[];this._yaxes=[];this._setDefaults()}c.prototype._series=null;c.prototype._labels=null;c.prototype._legendOptions=null;c.prototype._title=null;c.prototype._xaxes=null;c.prototype._yaxes=null;c.prototype.COLORSET=["#f3c300","#875692","#f38400","#a1caf1","#be0032","#c2b280","#7f180d","#008856","#e68fac","#0067a5"];c.prototype._configColorSet=null;c.prototype.TYPE=null;c.prototype.addSeries=function(a){this._validateSeries(a);this._series.push(a);if(null===a.getColor()){var b=this.getConfigColorSet()||c.prototype.COLORSET;a.setColor(b[this._series.length%b.length])}};c.prototype.create=function(c,d){var e=new c;e.setConfigColorSet(d.config_colorset);e.setLabels(d.labels);e.setTitle(d.title);if(d.legend_options){e.setLegendOptions(d.legend_options)}d.series.forEach(function(b){e.addSeries(a.prototype.create(b))});d.axes.x.forEach(function(a,c){e.setXAxis(b.prototype.create(a),c)});d.axes.y.forEach(function(a,c){e.setYAxis(b.prototype.create(a),c)});return e};c.prototype.__getAxis=function(a,c,d){var e="x"===a?this._xaxes:this._yaxes,f=("x"===a?this.setXAxis:this.setYAxis).bind(this),g;c="undefined"==typeof c?0:c;d="undefined"==typeof d?!1:d;g=e[c];if("undefined"==typeof g){if(!d){throw new Error("Unknown axis.")}g=new b;f(g,c)}return g};c.prototype.getConfigColorSet=function(){return this._configColorSet};c.prototype.getLabels=function(){return this._labels};c.prototype.getLegendOptions=function(){return this._legendOptions};c.prototype.getSeries=function(){return this._series};c.prototype.getTitle=function(){return this._title};c.prototype.getType=function(){if(!this.TYPE){throw new Error("The TYPE property has not been set.")}return this.TYPE};c.prototype.getXAxes=function(){return this._xaxes};c.prototype.getXAxis=function(a,b){return this.__getAxis("x",a,b)};c.prototype.getYAxes=function(){return this._yaxes};c.prototype.getYAxis=function(a,b){return this.__getAxis("y",a,b)};c.prototype.setConfigColorSet=function(a){this._configColorSet=a};c.prototype._setDefaults=function(){};c.prototype.setLabels=function(a){if(a.length&&this._series.length&&this._series[0].length!=a.length){throw new Error("Series must match label values.")}this._labels=a};c.prototype.setLegendOptions=function(a){if("object"!==_typeof(a)){throw new Error("Setting legend with non-object value:"+a)}this._legendOptions=a};c.prototype.setTitle=function(a){this._title=a};c.prototype.setXAxis=function(a,b){b="undefined"==typeof b?0:b;this._validateAxis("x",a,b);this._xaxes[b]=a};c.prototype.setYAxis=function(a,b){b="undefined"==typeof b?0:b;this._validateAxis("y",a,b);this._yaxes[b]=a};c.prototype._validateAxis=function(a,b,c){c="undefined"==typeof c?0:c;if(0<c){var d="x"==a?this._xaxes:this._yaxes;if("undefined"==typeof d[c-1]){throw new Error("Missing "+a+" axis at index lower than "+c)}}};c.prototype._validateSeries=function(a){if(this._series.length&&this._series[0].getCount()!=a.getCount()){throw new Error("Series do not have an equal number of values.")}else if(this._labels.length&&this._labels.length!=a.getCount()){throw new Error("Series must match label values.")}};return c});
 //# sourceMappingURL=chart_base.min.js.map
diff --git a/lib/amd/build/chart_base.min.js.map b/lib/amd/build/chart_base.min.js.map
index 8aab991edde..1dcf442b05f 100644
--- a/lib/amd/build/chart_base.min.js.map
+++ b/lib/amd/build/chart_base.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart base.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_base\n */\ndefine(['core/chart_series', 'core/chart_axis'], function(Series, Axis) {\n\n    /**\n     * Chart base.\n     *\n     * The constructor of a chart must never take any argument.\n     *\n     * {@link module:core/chart_base#_setDefault} to set the defaults on instantiation.\n     *\n     * @alias module:core/chart_base\n     * @class\n     */\n    function Base() {\n        this._series = [];\n        this._labels = [];\n        this._xaxes = [];\n        this._yaxes = [];\n\n        this._setDefaults();\n    }\n\n    /**\n     * The series constituting this chart.\n     *\n     * @protected\n     * @type {module:core/chart_series[]}\n     */\n    Base.prototype._series = null;\n\n    /**\n     * The labels of the X axis when categorised.\n     *\n     * @protected\n     * @type {String[]}\n     */\n    Base.prototype._labels = null;\n\n    /**\n     * Options for chart legend display.\n     *\n     * @protected\n     * @type {Object}\n     */\n    Base.prototype._legendOptions = null;\n\n    /**\n     * The title of the chart.\n     *\n     * @protected\n     * @type {String}\n     */\n    Base.prototype._title = null;\n\n    /**\n     * The X axes.\n     *\n     * @protected\n     * @type {module:core/chart_axis[]}\n     */\n    Base.prototype._xaxes = null;\n\n    /**\n     * The Y axes.\n     *\n     * @protected\n     * @type {module:core/chart_axis[]}\n     */\n    Base.prototype._yaxes = null;\n\n    /**\n     * Colours to pick from when automatically assigning them.\n     *\n     * @const\n     * @type {String[]}\n     */\n    Base.prototype.COLORSET = ['#f3c300', '#875692', '#f38400', '#a1caf1', '#be0032', '#c2b280', '#7f180d', '#008856',\n            '#e68fac', '#0067a5'];\n\n    /**\n     * Set of colours defined by setting $CFG->chart_colorset to be picked when automatically assigning them.\n     *\n     * @type {String[]}\n     * @protected\n     */\n    Base.prototype._configColorSet = null;\n\n    /**\n     * The type of chart.\n     *\n     * @abstract\n     * @type {String}\n     * @const\n     */\n    Base.prototype.TYPE = null;\n\n    /**\n     * Add a series to the chart.\n     *\n     * This will automatically assign a color to the series if it does not have one.\n     *\n     * @param {module:core/chart_series} series The series to add.\n     */\n    Base.prototype.addSeries = function(series) {\n        this._validateSeries(series);\n        this._series.push(series);\n\n        // Give a default color from the set.\n        if (series.getColor() === null) {\n            var configColorSet = this.getConfigColorSet() || Base.prototype.COLORSET;\n            series.setColor(configColorSet[this._series.length % configColorSet.length]);\n        }\n    };\n\n    /**\n     * Create a new instance of a chart from serialised data.\n     *\n     * the serialised attributes they offer and support.\n     *\n     * @static\n     * @method create\n     * @param {module:core/chart_base} Klass The class oject representing the type of chart to instantiate.\n     * @param {Object} data The data of the chart.\n     * @return {module:core/chart_base}\n     */\n    Base.prototype.create = function(Klass, data) {\n        // TODO Not convinced about the usage of Klass here but I can't figure out a way\n        // to have a reference to the class in the sub classes, in PHP I'd do new self().\n        var Chart = new Klass();\n        Chart.setConfigColorSet(data.config_colorset);\n        Chart.setLabels(data.labels);\n        Chart.setTitle(data.title);\n        if (data.legend_options) {\n            Chart.setLegendOptions(data.legend_options);\n        }\n        data.series.forEach(function(seriesData) {\n            Chart.addSeries(Series.prototype.create(seriesData));\n        });\n        data.axes.x.forEach(function(axisData, i) {\n            Chart.setXAxis(Axis.prototype.create(axisData), i);\n        });\n        data.axes.y.forEach(function(axisData, i) {\n            Chart.setYAxis(Axis.prototype.create(axisData), i);\n        });\n        return Chart;\n    };\n\n    /**\n     * Get an axis.\n     *\n     * @private\n     * @param {String} xy Accepts the values 'x' or 'y'.\n     * @param {Number} [index=0] The index of the axis of its type.\n     * @param {Bool} [createIfNotExists=false] When true, create an instance if it does not exist.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.__getAxis = function(xy, index, createIfNotExists) {\n        var axes = xy === 'x' ? this._xaxes : this._yaxes,\n            setAxis = (xy === 'x' ? this.setXAxis : this.setYAxis).bind(this),\n            axis;\n\n        index = typeof index === 'undefined' ? 0 : index;\n        createIfNotExists = typeof createIfNotExists === 'undefined' ? false : createIfNotExists;\n        axis = axes[index];\n\n        if (typeof axis === 'undefined') {\n            if (!createIfNotExists) {\n                throw new Error('Unknown axis.');\n            }\n            axis = new Axis();\n            setAxis(axis, index);\n        }\n\n        return axis;\n    };\n\n    /**\n     * Get colours defined by setting.\n     *\n     * @return {String[]}\n     */\n    Base.prototype.getConfigColorSet = function() {\n        return this._configColorSet;\n    };\n\n    /**\n     * Get the labels of the X axis.\n     *\n     * @return {String[]}\n     */\n    Base.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get whether to display the chart legend.\n     *\n     * @return {Bool}\n     */\n    Base.prototype.getLegendOptions = function() {\n        return this._legendOptions;\n    };\n\n    /**\n     * Get the series.\n     *\n     * @return {module:core/chart_series[]}\n     */\n    Base.prototype.getSeries = function() {\n        return this._series;\n    };\n\n    /**\n     * Get the title of the chart.\n     *\n     * @return {String}\n     */\n    Base.prototype.getTitle = function() {\n        return this._title;\n    };\n\n    /**\n     * Get the type of chart.\n     *\n     * @see module:core/chart_base#TYPE\n     * @return {String}\n     */\n    Base.prototype.getType = function() {\n        if (!this.TYPE) {\n            throw new Error('The TYPE property has not been set.');\n        }\n        return this.TYPE;\n    };\n\n    /**\n     * Get the X axes.\n     *\n     * @return {module:core/chart_axis[]}\n     */\n    Base.prototype.getXAxes = function() {\n        return this._xaxes;\n    };\n\n    /**\n     * Get an X axis.\n     *\n     * @param {Number} [index=0] The index of the axis.\n     * @param {Bool} [createIfNotExists=false] Create the instance of it does not exist at index.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.getXAxis = function(index, createIfNotExists) {\n        return this.__getAxis('x', index, createIfNotExists);\n    };\n\n    /**\n     * Get the Y axes.\n     *\n     * @return {module:core/chart_axis[]}\n     */\n    Base.prototype.getYAxes = function() {\n        return this._yaxes;\n    };\n\n    /**\n     * Get an Y axis.\n     *\n     * @param {Number} [index=0] The index of the axis.\n     * @param {Bool} [createIfNotExists=false] Create the instance of it does not exist at index.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.getYAxis = function(index, createIfNotExists) {\n        return this.__getAxis('y', index, createIfNotExists);\n    };\n\n    /**\n     * Set colours defined by setting.\n     *\n     * @param {String[]} colorset An array of css colours.\n     * @protected\n     */\n    Base.prototype.setConfigColorSet = function(colorset) {\n        this._configColorSet = colorset;\n    };\n\n    /**\n     * Set the defaults for this chart type.\n     *\n     * Child classes can extend this to set defaults values on instantiation.\n     *\n     * emphasize and self-document the defaults values set by the chart type.\n     *\n     * @protected\n     */\n    Base.prototype._setDefaults = function() {\n        // For the children to extend.\n    };\n\n    /**\n     * Set the labels of the X axis.\n     *\n     * This requires for each series to contain strictly as many values as there\n     * are labels.\n     *\n     * @param {String[]} labels The labels.\n     */\n    Base.prototype.setLabels = function(labels) {\n        if (labels.length && this._series.length && this._series[0].length != labels.length) {\n            throw new Error('Series must match label values.');\n        }\n        this._labels = labels;\n    };\n\n    /**\n     * Set options for chart legend display.\n     *\n     * @param {Object} legendOptions\n     */\n    Base.prototype.setLegendOptions = function(legendOptions) {\n        if (typeof legendOptions !== 'object') {\n            throw new Error('Setting legend with non-object value:' + legendOptions);\n        }\n        this._legendOptions = legendOptions;\n    };\n\n    /**\n     * Set the title of the chart.\n     *\n     * @param {String} title The title.\n     */\n    Base.prototype.setTitle = function(title) {\n        this._title = title;\n    };\n\n    /**\n     * Set an X axis.\n     *\n     * Note that this will override any predefined axis without warning.\n     *\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype.setXAxis = function(axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        this._validateAxis('x', axis, index);\n        this._xaxes[index] = axis;\n    };\n\n    /**\n     * Set a Y axis.\n     *\n     * Note that this will override any predefined axis without warning.\n     *\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype.setYAxis = function(axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        this._validateAxis('y', axis, index);\n        this._yaxes[index] = axis;\n    };\n\n    /**\n     * Validate an axis.\n     *\n     * @protected\n     * @param {String} xy X or Y axis.\n     * @param {module:core/chart_axis} axis The axis to validate.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype._validateAxis = function(xy, axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        if (index > 0) {\n            var axes = xy == 'x' ? this._xaxes : this._yaxes;\n            if (typeof axes[index - 1] === 'undefined') {\n                throw new Error('Missing ' + xy + ' axis at index lower than ' + index);\n            }\n        }\n    };\n\n    /**\n     * Validate a series.\n     *\n     * @protected\n     * @param {module:core/chart_series} series The series to validate.\n     */\n    Base.prototype._validateSeries = function(series) {\n        if (this._series.length && this._series[0].getCount() != series.getCount()) {\n            throw new Error('Series do not have an equal number of values.');\n\n        } else if (this._labels.length && this._labels.length != series.getCount()) {\n            throw new Error('Series must match label values.');\n        }\n    };\n\n    return Base;\n\n});\n"],"file":"chart_base.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart base.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_base\n */\ndefine(['core/chart_series', 'core/chart_axis'], function(Series, Axis) {\n\n    /**\n     * Chart base.\n     *\n     * The constructor of a chart must never take any argument.\n     *\n     * {@link module:core/chart_base#_setDefault} to set the defaults on instantiation.\n     *\n     * @alias module:core/chart_base\n     * @class\n     */\n    function Base() {\n        this._series = [];\n        this._labels = [];\n        this._xaxes = [];\n        this._yaxes = [];\n\n        this._setDefaults();\n    }\n\n    /**\n     * The series constituting this chart.\n     *\n     * @protected\n     * @type {module:core/chart_series[]}\n     */\n    Base.prototype._series = null;\n\n    /**\n     * The labels of the X axis when categorised.\n     *\n     * @protected\n     * @type {String[]}\n     */\n    Base.prototype._labels = null;\n\n    /**\n     * Options for chart legend display.\n     *\n     * @protected\n     * @type {Object}\n     */\n    Base.prototype._legendOptions = null;\n\n    /**\n     * The title of the chart.\n     *\n     * @protected\n     * @type {String}\n     */\n    Base.prototype._title = null;\n\n    /**\n     * The X axes.\n     *\n     * @protected\n     * @type {module:core/chart_axis[]}\n     */\n    Base.prototype._xaxes = null;\n\n    /**\n     * The Y axes.\n     *\n     * @protected\n     * @type {module:core/chart_axis[]}\n     */\n    Base.prototype._yaxes = null;\n\n    /**\n     * Colours to pick from when automatically assigning them.\n     *\n     * @const\n     * @type {String[]}\n     */\n    Base.prototype.COLORSET = ['#f3c300', '#875692', '#f38400', '#a1caf1', '#be0032', '#c2b280', '#7f180d', '#008856',\n            '#e68fac', '#0067a5'];\n\n    /**\n     * Set of colours defined by setting $CFG->chart_colorset to be picked when automatically assigning them.\n     *\n     * @type {String[]}\n     * @protected\n     */\n    Base.prototype._configColorSet = null;\n\n    /**\n     * The type of chart.\n     *\n     * @abstract\n     * @type {String}\n     * @const\n     */\n    Base.prototype.TYPE = null;\n\n    /**\n     * Add a series to the chart.\n     *\n     * This will automatically assign a color to the series if it does not have one.\n     *\n     * @param {module:core/chart_series} series The series to add.\n     */\n    Base.prototype.addSeries = function(series) {\n        this._validateSeries(series);\n        this._series.push(series);\n\n        // Give a default color from the set.\n        if (series.getColor() === null) {\n            var configColorSet = this.getConfigColorSet() || Base.prototype.COLORSET;\n            series.setColor(configColorSet[this._series.length % configColorSet.length]);\n        }\n    };\n\n    /**\n     * Create a new instance of a chart from serialised data.\n     *\n     * the serialised attributes they offer and support.\n     *\n     * @static\n     * @method create\n     * @param {module:core/chart_base} Klass The class oject representing the type of chart to instantiate.\n     * @param {Object} data The data of the chart.\n     * @return {module:core/chart_base}\n     */\n    Base.prototype.create = function(Klass, data) {\n        // TODO Not convinced about the usage of Klass here but I can't figure out a way\n        // to have a reference to the class in the sub classes, in PHP I'd do new self().\n        var Chart = new Klass();\n        Chart.setConfigColorSet(data.config_colorset);\n        Chart.setLabels(data.labels);\n        Chart.setTitle(data.title);\n        if (data.legend_options) {\n            Chart.setLegendOptions(data.legend_options);\n        }\n        data.series.forEach(function(seriesData) {\n            Chart.addSeries(Series.prototype.create(seriesData));\n        });\n        data.axes.x.forEach(function(axisData, i) {\n            Chart.setXAxis(Axis.prototype.create(axisData), i);\n        });\n        data.axes.y.forEach(function(axisData, i) {\n            Chart.setYAxis(Axis.prototype.create(axisData), i);\n        });\n        return Chart;\n    };\n\n    /**\n     * Get an axis.\n     *\n     * @private\n     * @param {String} xy Accepts the values 'x' or 'y'.\n     * @param {Number} [index=0] The index of the axis of its type.\n     * @param {Bool} [createIfNotExists=false] When true, create an instance if it does not exist.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.__getAxis = function(xy, index, createIfNotExists) {\n        var axes = xy === 'x' ? this._xaxes : this._yaxes,\n            setAxis = (xy === 'x' ? this.setXAxis : this.setYAxis).bind(this),\n            axis;\n\n        index = typeof index === 'undefined' ? 0 : index;\n        createIfNotExists = typeof createIfNotExists === 'undefined' ? false : createIfNotExists;\n        axis = axes[index];\n\n        if (typeof axis === 'undefined') {\n            if (!createIfNotExists) {\n                throw new Error('Unknown axis.');\n            }\n            axis = new Axis();\n            setAxis(axis, index);\n        }\n\n        return axis;\n    };\n\n    /**\n     * Get colours defined by setting.\n     *\n     * @return {String[]}\n     */\n    Base.prototype.getConfigColorSet = function() {\n        return this._configColorSet;\n    };\n\n    /**\n     * Get the labels of the X axis.\n     *\n     * @return {String[]}\n     */\n    Base.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get whether to display the chart legend.\n     *\n     * @return {Bool}\n     */\n    Base.prototype.getLegendOptions = function() {\n        return this._legendOptions;\n    };\n\n    /**\n     * Get the series.\n     *\n     * @return {module:core/chart_series[]}\n     */\n    Base.prototype.getSeries = function() {\n        return this._series;\n    };\n\n    /**\n     * Get the title of the chart.\n     *\n     * @return {String}\n     */\n    Base.prototype.getTitle = function() {\n        return this._title;\n    };\n\n    /**\n     * Get the type of chart.\n     *\n     * @see module:core/chart_base#TYPE\n     * @return {String}\n     */\n    Base.prototype.getType = function() {\n        if (!this.TYPE) {\n            throw new Error('The TYPE property has not been set.');\n        }\n        return this.TYPE;\n    };\n\n    /**\n     * Get the X axes.\n     *\n     * @return {module:core/chart_axis[]}\n     */\n    Base.prototype.getXAxes = function() {\n        return this._xaxes;\n    };\n\n    /**\n     * Get an X axis.\n     *\n     * @param {Number} [index=0] The index of the axis.\n     * @param {Bool} [createIfNotExists=false] Create the instance of it does not exist at index.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.getXAxis = function(index, createIfNotExists) {\n        return this.__getAxis('x', index, createIfNotExists);\n    };\n\n    /**\n     * Get the Y axes.\n     *\n     * @return {module:core/chart_axis[]}\n     */\n    Base.prototype.getYAxes = function() {\n        return this._yaxes;\n    };\n\n    /**\n     * Get an Y axis.\n     *\n     * @param {Number} [index=0] The index of the axis.\n     * @param {Bool} [createIfNotExists=false] Create the instance of it does not exist at index.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.getYAxis = function(index, createIfNotExists) {\n        return this.__getAxis('y', index, createIfNotExists);\n    };\n\n    /**\n     * Set colours defined by setting.\n     *\n     * @param {String[]} colorset An array of css colours.\n     * @protected\n     */\n    Base.prototype.setConfigColorSet = function(colorset) {\n        this._configColorSet = colorset;\n    };\n\n    /**\n     * Set the defaults for this chart type.\n     *\n     * Child classes can extend this to set defaults values on instantiation.\n     *\n     * emphasize and self-document the defaults values set by the chart type.\n     *\n     * @protected\n     */\n    Base.prototype._setDefaults = function() {\n        // For the children to extend.\n    };\n\n    /**\n     * Set the labels of the X axis.\n     *\n     * This requires for each series to contain strictly as many values as there\n     * are labels.\n     *\n     * @param {String[]} labels The labels.\n     */\n    Base.prototype.setLabels = function(labels) {\n        if (labels.length && this._series.length && this._series[0].length != labels.length) {\n            throw new Error('Series must match label values.');\n        }\n        this._labels = labels;\n    };\n\n    /**\n     * Set options for chart legend display.\n     *\n     * @param {Object} legendOptions\n     */\n    Base.prototype.setLegendOptions = function(legendOptions) {\n        if (typeof legendOptions !== 'object') {\n            throw new Error('Setting legend with non-object value:' + legendOptions);\n        }\n        this._legendOptions = legendOptions;\n    };\n\n    /**\n     * Set the title of the chart.\n     *\n     * @param {String} title The title.\n     */\n    Base.prototype.setTitle = function(title) {\n        this._title = title;\n    };\n\n    /**\n     * Set an X axis.\n     *\n     * Note that this will override any predefined axis without warning.\n     *\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype.setXAxis = function(axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        this._validateAxis('x', axis, index);\n        this._xaxes[index] = axis;\n    };\n\n    /**\n     * Set a Y axis.\n     *\n     * Note that this will override any predefined axis without warning.\n     *\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype.setYAxis = function(axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        this._validateAxis('y', axis, index);\n        this._yaxes[index] = axis;\n    };\n\n    /**\n     * Validate an axis.\n     *\n     * @protected\n     * @param {String} xy X or Y axis.\n     * @param {module:core/chart_axis} axis The axis to validate.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype._validateAxis = function(xy, axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        if (index > 0) {\n            var axes = xy == 'x' ? this._xaxes : this._yaxes;\n            if (typeof axes[index - 1] === 'undefined') {\n                throw new Error('Missing ' + xy + ' axis at index lower than ' + index);\n            }\n        }\n    };\n\n    /**\n     * Validate a series.\n     *\n     * @protected\n     * @param {module:core/chart_series} series The series to validate.\n     */\n    Base.prototype._validateSeries = function(series) {\n        if (this._series.length && this._series[0].getCount() != series.getCount()) {\n            throw new Error('Series do not have an equal number of values.');\n\n        } else if (this._labels.length && this._labels.length != series.getCount()) {\n            throw new Error('Series must match label values.');\n        }\n    };\n\n    return Base;\n\n});\n"],"file":"chart_base.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_output_chartjs.min.js b/lib/amd/build/chart_output_chartjs.min.js
index 0f6373b79a0..3f698a0ed2a 100644
--- a/lib/amd/build/chart_output_chartjs.min.js
+++ b/lib/amd/build/chart_output_chartjs.min.js
@@ -1,2 +1,2 @@
-define ("core/chart_output_chartjs",["jquery","core/chartjs","core/chart_axis","core/chart_bar","core/chart_output_base","core/chart_line","core/chart_pie","core/chart_series"],function(a,b,c,d,e,f,g,h){var j=function(a,b){return"axis-"+a+"-"+b};function i(){e.prototype.constructor.apply(this,arguments);this._canvas=this._node;if("CANVAS"!=this._canvas.prop("tagName")){this._canvas=a("<canvas>");this._node.append(this._canvas)}this._build()}i.prototype=Object.create(e.prototype);i.prototype._config=null;i.prototype._chartjs=null;i.prototype._canvas=null;i.prototype._build=function(){this._config=this._makeConfig();this._chartjs=new b(this._canvas[0],this._config)};i.prototype._cleanData=function(b){if(b instanceof Array){return b.map(function(b){return a("<span>").html(b).text()})}else{return a("<span>").html(b).text()}};i.prototype._getChartType=function(){var a=this._chart.getType();if(this._chart.getType()===d.prototype.TYPE&&!0===this._chart.getHorizontal()){a="horizontalBar"}else if(this._chart.getType()===g.prototype.TYPE&&!0===this._chart.getDoughnut()){a="doughnut"}return a};i.prototype._makeAxisConfig=function(a,b,d){var e={id:j(b,d)};if(a.getPosition()!==c.prototype.POS_DEFAULT){e.position=a.getPosition()}if(null!==a.getLabel()){e.scaleLabel={display:!0,labelString:this._cleanData(a.getLabel())}}if(null!==a.getStepSize()){e.ticks=e.ticks||{};e.ticks.stepSize=a.getStepSize()}if(null!==a.getMax()){e.ticks=e.ticks||{};e.ticks.max=a.getMax()}if(null!==a.getMin()){e.ticks=e.ticks||{};e.ticks.min=a.getMin()}return e};i.prototype._makeConfig=function(){var a={type:this._getChartType(),data:{labels:this._cleanData(this._chart.getLabels()),datasets:this._makeDatasetsConfig()},options:{title:{display:null!==this._chart.getTitle(),text:this._cleanData(this._chart.getTitle())}}},b=this._chart.getLegendOptions();if(b){a.options.legend=b}this._chart.getXAxes().forEach(function(b,c){var d=b.getLabels();a.options.scales=a.options.scales||{};a.options.scales.xAxes=a.options.scales.xAxes||[];a.options.scales.xAxes[c]=this._makeAxisConfig(b,"x",c);if(null!==d){a.options.scales.xAxes[c].ticks.callback=function(a,b){return d[b]||""}}a.options.scales.xAxes[c].stacked=this._isStacked()}.bind(this));this._chart.getYAxes().forEach(function(b,c){var d=b.getLabels();a.options.scales=a.options.scales||{};a.options.scales.yAxes=a.options.scales.yAxes||[];a.options.scales.yAxes[c]=this._makeAxisConfig(b,"y",c);if(null!==d){a.options.scales.yAxes[c].ticks.callback=function(a){return d[parseInt(a,10)]||""}}a.options.scales.yAxes[c].stacked=this._isStacked()}.bind(this));a.options.tooltips={callbacks:{label:this._makeTooltip.bind(this)}};return a};i.prototype._makeDatasetsConfig=function(){var a=this._chart.getSeries().map(function(a){var b=a.hasColoredValues()?a.getColors():a.getColor(),c={label:this._cleanData(a.getLabel()),data:a.getValues(),type:a.getType(),fill:a.getFill(),backgroundColor:b,borderColor:this._chart.getType()==g.prototype.TYPE?"#fff":b,lineTension:this._isSmooth(a)?.3:0};if(null!==a.getXAxis()){c.xAxisID=j("x",a.getXAxis())}if(null!==a.getYAxis()){c.yAxisID=j("y",a.getYAxis())}return c}.bind(this));return a};i.prototype._makeTooltip=function(a,b){var c=this._chart.getSeries()[a.datasetIndex],d=c.getLabel(),e=c.getLabels(),f=b.datasets[a.datasetIndex].data,g=f[a.index],h=[];if(""==a.xLabel&&""==a.yLabel){var i=this._cleanData(this._chart.getLabels());h.push(i[a.index])}if(null!==e){h.push(this._cleanData(e[a.index]))}else{h.push(this._cleanData(d)+": "+g)}return h};i.prototype._isSmooth=function(a){var b=!1;if(this._chart.getType()===f.prototype.TYPE){b=a.getSmooth();if(null===b){b=this._chart.getSmooth()}}else if(a.getType()===h.prototype.TYPE_LINE){b=a.getSmooth()}return b};i.prototype._isStacked=function(){var a=!1;if(this._chart.getType()===d.prototype.TYPE){a=this._chart.getStacked()}return a};i.prototype.update=function(){a.extend(!0,this._config,this._makeConfig());this._chartjs.update()};return i});
+define ("core/chart_output_chartjs",["jquery","core/chartjs","core/chart_axis","core/chart_bar","core/chart_output_base","core/chart_line","core/chart_pie","core/chart_series"],function(a,b,c,d,e,f,g,h){var i=function(a,b){return"axis-"+a+"-"+b};function j(){e.prototype.constructor.apply(this,arguments);this._canvas=this._node;if("CANVAS"!=this._canvas.prop("tagName")){this._canvas=a("<canvas>");this._node.append(this._canvas)}this._build()}j.prototype=Object.create(e.prototype);j.prototype._config=null;j.prototype._chartjs=null;j.prototype._canvas=null;j.prototype._build=function(){this._config=this._makeConfig();this._chartjs=new b(this._canvas[0],this._config)};j.prototype._cleanData=function(b){if(b instanceof Array){return b.map(function(b){return a("<span>").html(b).text()})}else{return a("<span>").html(b).text()}};j.prototype._getChartType=function(){var a=this._chart.getType();if(this._chart.getType()===d.prototype.TYPE&&!0===this._chart.getHorizontal()){a="horizontalBar"}else if(this._chart.getType()===g.prototype.TYPE&&!0===this._chart.getDoughnut()){a="doughnut"}return a};j.prototype._makeAxisConfig=function(a,b,d){var e={id:i(b,d)};if(a.getPosition()!==c.prototype.POS_DEFAULT){e.position=a.getPosition()}if(null!==a.getLabel()){e.scaleLabel={display:!0,labelString:this._cleanData(a.getLabel())}}if(null!==a.getStepSize()){e.ticks=e.ticks||{};e.ticks.stepSize=a.getStepSize()}if(null!==a.getMax()){e.ticks=e.ticks||{};e.ticks.max=a.getMax()}if(null!==a.getMin()){e.ticks=e.ticks||{};e.ticks.min=a.getMin()}return e};j.prototype._makeConfig=function(){var a={type:this._getChartType(),data:{labels:this._cleanData(this._chart.getLabels()),datasets:this._makeDatasetsConfig()},options:{title:{display:null!==this._chart.getTitle(),text:this._cleanData(this._chart.getTitle())}}},b=this._chart.getLegendOptions();if(b){a.options.legend=b}this._chart.getXAxes().forEach(function(b,c){var d=b.getLabels();a.options.scales=a.options.scales||{};a.options.scales.xAxes=a.options.scales.xAxes||[];a.options.scales.xAxes[c]=this._makeAxisConfig(b,"x",c);if(null!==d){a.options.scales.xAxes[c].ticks.callback=function(a,b){return d[b]||""}}a.options.scales.xAxes[c].stacked=this._isStacked()}.bind(this));this._chart.getYAxes().forEach(function(b,c){var d=b.getLabels();a.options.scales=a.options.scales||{};a.options.scales.yAxes=a.options.scales.yAxes||[];a.options.scales.yAxes[c]=this._makeAxisConfig(b,"y",c);if(null!==d){a.options.scales.yAxes[c].ticks.callback=function(a){return d[parseInt(a,10)]||""}}a.options.scales.yAxes[c].stacked=this._isStacked()}.bind(this));a.options.tooltips={callbacks:{label:this._makeTooltip.bind(this)}};return a};j.prototype._makeDatasetsConfig=function(){var a=this._chart.getSeries().map(function(a){var b=a.hasColoredValues()?a.getColors():a.getColor(),c={label:this._cleanData(a.getLabel()),data:a.getValues(),type:a.getType(),fill:a.getFill(),backgroundColor:b,borderColor:this._chart.getType()==g.prototype.TYPE?"#fff":b,lineTension:this._isSmooth(a)?.3:0};if(null!==a.getXAxis()){c.xAxisID=i("x",a.getXAxis())}if(null!==a.getYAxis()){c.yAxisID=i("y",a.getYAxis())}return c}.bind(this));return a};j.prototype._makeTooltip=function(a,b){var c=this._chart.getSeries()[a.datasetIndex],d=c.getLabel(),e=c.getLabels(),f=b.datasets[a.datasetIndex].data,g=f[a.index],h=[];if(""==a.xLabel&&""==a.yLabel){var i=this._cleanData(this._chart.getLabels());h.push(i[a.index])}if(null!==e){h.push(this._cleanData(e[a.index]))}else{h.push(this._cleanData(d)+": "+g)}return h};j.prototype._isSmooth=function(a){var b=!1;if(this._chart.getType()===f.prototype.TYPE){b=a.getSmooth();if(null===b){b=this._chart.getSmooth()}}else if(a.getType()===h.prototype.TYPE_LINE){b=a.getSmooth()}return b};j.prototype._isStacked=function(){var a=!1;if(this._chart.getType()===d.prototype.TYPE){a=this._chart.getStacked()}return a};j.prototype.update=function(){a.extend(!0,this._config,this._makeConfig());this._chartjs.update()};return j});
 //# sourceMappingURL=chart_output_chartjs.min.js.map
diff --git a/lib/amd/build/chart_series.min.js b/lib/amd/build/chart_series.min.js
index af16ed84ae8..ddf2a3d31f6 100644
--- a/lib/amd/build/chart_series.min.js
+++ b/lib/amd/build/chart_series.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core/chart_series",[],function(){function a(a,b){if("string"!=typeof a){throw new Error("Invalid label for series.")}else if("object"!==_typeof(b)){throw new Error("Values for a series must be an array.")}else if(1>b.length){throw new Error("Invalid values received for series.")}this._colors=[];this._label=a;this._values=b}a.prototype.TYPE_DEFAULT=null;a.prototype.TYPE_LINE="line";a.prototype._colors=null;a.prototype._fill=!1;a.prototype._label=null;a.prototype._labels=null;a.prototype._smooth=!1;a.prototype._type=a.prototype.TYPE_DEFAULT;a.prototype._values=null;a.prototype._xaxis=null;a.prototype._yaxis=null;a.prototype.create=function(b){var c=new a(b.label,b.values);c.setType(b.type);c.setXAxis(b.axes.x);c.setYAxis(b.axes.y);c.setLabels(b.labels);if(b.colors&&1<b.colors.length){c.setColors(b.colors)}else{c.setColor(b.colors[0])}c.setFill(b.fill);c.setSmooth(b.smooth);return c};a.prototype.getColor=function(){return this._colors[0]||null};a.prototype.getColors=function(){return this._colors};a.prototype.getCount=function(){return this._values.length};a.prototype.getFill=function(){return this._fill};a.prototype.getLabel=function(){return this._label};a.prototype.getLabels=function(){return this._labels};a.prototype.getSmooth=function(){return this._smooth};a.prototype.getType=function(){return this._type};a.prototype.getValues=function(){return this._values};a.prototype.getXAxis=function(){return this._xaxis};a.prototype.getYAxis=function(){return this._yaxis};a.prototype.hasColoredValues=function(){return this._colors.length==this.getCount()};a.prototype.setColor=function(a){this._colors=[a]};a.prototype.setColors=function(a){if(a&&a.length!=this.getCount()){throw new Error("When setting multiple colors there must be one per value.")}this._colors=a||[]};a.prototype.setFill=function(a){this._fill="undefined"==typeof a?null:a};a.prototype.setLabels=function(a){this._validateLabels(a);a="undefined"==typeof a?null:a;this._labels=a};a.prototype.setSmooth=function(a){a="undefined"==typeof a?null:a;this._smooth=a};a.prototype.setType=function(a){if(a!=this.TYPE_DEFAULT&&a!=this.TYPE_LINE){throw new Error("Invalid serie type.")}this._type=a||null};a.prototype.setXAxis=function(a){this._xaxis=a||null};a.prototype.setYAxis=function(a){this._yaxis=a||null};a.prototype._validateLabels=function(a){if(a&&0<a.length&&a.length!=this.getCount()){throw new Error("Series labels must match series values.")}};return a});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/chart_series",[],function(){function a(a,b){if("string"!=typeof a){throw new Error("Invalid label for series.")}else if("object"!==_typeof(b)){throw new Error("Values for a series must be an array.")}else if(1>b.length){throw new Error("Invalid values received for series.")}this._colors=[];this._label=a;this._values=b}a.prototype.TYPE_DEFAULT=null;a.prototype.TYPE_LINE="line";a.prototype._colors=null;a.prototype._fill=!1;a.prototype._label=null;a.prototype._labels=null;a.prototype._smooth=!1;a.prototype._type=a.prototype.TYPE_DEFAULT;a.prototype._values=null;a.prototype._xaxis=null;a.prototype._yaxis=null;a.prototype.create=function(b){var c=new a(b.label,b.values);c.setType(b.type);c.setXAxis(b.axes.x);c.setYAxis(b.axes.y);c.setLabels(b.labels);if(b.colors&&1<b.colors.length){c.setColors(b.colors)}else{c.setColor(b.colors[0])}c.setFill(b.fill);c.setSmooth(b.smooth);return c};a.prototype.getColor=function(){return this._colors[0]||null};a.prototype.getColors=function(){return this._colors};a.prototype.getCount=function(){return this._values.length};a.prototype.getFill=function(){return this._fill};a.prototype.getLabel=function(){return this._label};a.prototype.getLabels=function(){return this._labels};a.prototype.getSmooth=function(){return this._smooth};a.prototype.getType=function(){return this._type};a.prototype.getValues=function(){return this._values};a.prototype.getXAxis=function(){return this._xaxis};a.prototype.getYAxis=function(){return this._yaxis};a.prototype.hasColoredValues=function(){return this._colors.length==this.getCount()};a.prototype.setColor=function(a){this._colors=[a]};a.prototype.setColors=function(a){if(a&&a.length!=this.getCount()){throw new Error("When setting multiple colors there must be one per value.")}this._colors=a||[]};a.prototype.setFill=function(a){this._fill="undefined"==typeof a?null:a};a.prototype.setLabels=function(a){this._validateLabels(a);a="undefined"==typeof a?null:a;this._labels=a};a.prototype.setSmooth=function(a){a="undefined"==typeof a?null:a;this._smooth=a};a.prototype.setType=function(a){if(a!=this.TYPE_DEFAULT&&a!=this.TYPE_LINE){throw new Error("Invalid serie type.")}this._type=a||null};a.prototype.setXAxis=function(a){this._xaxis=a||null};a.prototype.setYAxis=function(a){this._yaxis=a||null};a.prototype._validateLabels=function(a){if(a&&0<a.length&&a.length!=this.getCount()){throw new Error("Series labels must match series values.")}};return a});
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diff --git a/lib/amd/build/chart_series.min.js.map b/lib/amd/build/chart_series.min.js.map
index b9b902a05b3..9466fd3fd8e 100644
--- a/lib/amd/build/chart_series.min.js.map
+++ b/lib/amd/build/chart_series.min.js.map
@@ -1 +1 @@
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart series.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_series\n */\ndefine([], function() {\n\n    /**\n     * Chart data series.\n     *\n     * @class\n     * @alias module:core/chart_series\n     * @param {String} label The series label.\n     * @param {Number[]} values The values.\n     */\n    function Series(label, values) {\n        if (typeof label !== 'string') {\n            throw new Error('Invalid label for series.');\n\n        } else if (typeof values !== 'object') {\n            throw new Error('Values for a series must be an array.');\n\n        } else if (values.length < 1) {\n            throw new Error('Invalid values received for series.');\n        }\n\n        this._colors = [];\n        this._label = label;\n        this._values = values;\n    }\n\n    /**\n     * The default type of series.\n     *\n     * @type {Null}\n     * @const\n     */\n    Series.prototype.TYPE_DEFAULT = null;\n\n    /**\n     * Type of series 'line'.\n     *\n     * @type {String}\n     * @const\n     */\n    Series.prototype.TYPE_LINE = 'line';\n\n    /**\n     * The colors of the series.\n     *\n     * @type {String[]}\n     * @protected\n     */\n    Series.prototype._colors = null;\n\n    /**\n     * The fill mode of the series.\n     *\n     * @type {Object}\n     * @protected\n     */\n    Series.prototype._fill = false;\n\n    /**\n     * The label of the series.\n     *\n     * @type {String}\n     * @protected\n     */\n    Series.prototype._label = null;\n\n    /**\n     * The labels for the values of the series.\n     *\n     * @type {String[]}\n     * @protected\n     */\n     Series.prototype._labels = null;\n\n    /**\n     * Whether the line of the serie should be smooth or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Series.prototype._smooth = false;\n\n    /**\n     * The type of the series.\n     *\n     * @type {String}\n     * @protected\n     */\n    Series.prototype._type = Series.prototype.TYPE_DEFAULT;\n\n    /**\n     * The values in the series.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._values = null;\n\n    /**\n     * The index of the X axis.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._xaxis = null;\n\n    /**\n     * The index of the Y axis.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._yaxis = null;\n\n    /**\n     * Create a new instance of a series from serialised data.\n     *\n     * @static\n     * @method create\n     * @param {Object} obj The data of the series.\n     * @return {module:core/chart_series}\n     */\n    Series.prototype.create = function(obj) {\n        var s = new Series(obj.label, obj.values);\n        s.setType(obj.type);\n        s.setXAxis(obj.axes.x);\n        s.setYAxis(obj.axes.y);\n        s.setLabels(obj.labels);\n\n        // Colors are exported as an array with 1, or n values.\n        if (obj.colors && obj.colors.length > 1) {\n            s.setColors(obj.colors);\n        } else {\n            s.setColor(obj.colors[0]);\n        }\n\n        s.setFill(obj.fill);\n        s.setSmooth(obj.smooth);\n        return s;\n    };\n\n    /**\n     * Get the color.\n     *\n     * @return {String}\n     */\n    Series.prototype.getColor = function() {\n        return this._colors[0] || null;\n    };\n\n    /**\n     * Get the colors for each value in the series.\n     *\n     * @return {String[]}\n     */\n    Series.prototype.getColors = function() {\n        return this._colors;\n    };\n\n    /**\n     * Get the number of values in the series.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getCount = function() {\n        return this._values.length;\n    };\n\n    /**\n     * Get the fill mode of the series.\n     *\n     * @return {Object}\n     */\n    Series.prototype.getFill = function() {\n      return this._fill;\n    };\n\n    /**\n     * Get the series label.\n     *\n     * @return {String}\n     */\n    Series.prototype.getLabel = function() {\n        return this._label;\n    };\n\n    /**\n     * Get labels for the values of the series.\n     *\n     * @return {String[]}\n     */\n    Series.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get whether the line of the serie should be smooth or not.\n     *\n     * @returns {Bool}\n     */\n    Series.prototype.getSmooth = function() {\n        return this._smooth;\n    };\n\n    /**\n     * Get the series type.\n     *\n     * @return {String}\n     */\n    Series.prototype.getType = function() {\n        return this._type;\n    };\n\n    /**\n     * Get the series values.\n     *\n     * @return {Number[]}\n     */\n    Series.prototype.getValues = function() {\n        return this._values;\n    };\n\n    /**\n     * Get the index of the X axis.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getXAxis = function() {\n        return this._xaxis;\n    };\n\n    /**\n     * Get the index of the Y axis.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getYAxis = function() {\n        return this._yaxis;\n    };\n\n    /**\n     * Whether there is a color per value.\n     *\n     * @return {Bool}\n     */\n    Series.prototype.hasColoredValues = function() {\n        return this._colors.length == this.getCount();\n    };\n\n    /**\n     * Set the series color.\n     *\n     * @param {String} color A CSS-compatible color.\n     */\n    Series.prototype.setColor = function(color) {\n        this._colors = [color];\n    };\n\n    /**\n     * Set a color for each value in the series.\n     *\n     * @param {String[]} colors CSS-compatible colors.\n     */\n    Series.prototype.setColors = function(colors) {\n        if (colors && colors.length != this.getCount()) {\n            throw new Error('When setting multiple colors there must be one per value.');\n        }\n        this._colors = colors || [];\n    };\n\n    /**\n     * Set the fill mode for the series.\n     *\n     * @param {Object} fill\n     */\n    Series.prototype.setFill = function(fill) {\n      this._fill = typeof fill === 'undefined' ? null : fill;\n    };\n\n    /**\n     * Set the labels for the values of the series.\n     *\n     * @param {String[]} labels the labels of the series values.\n     */\n    Series.prototype.setLabels = function(labels) {\n        this._validateLabels(labels);\n        labels = typeof labels === 'undefined' ? null : labels;\n        this._labels = labels;\n    };\n\n    /**\n     * Set Whether the line of the serie should be smooth or not.\n     *\n     * Only applicable for line chart or a line series, if null it assumes the chart default (not smooth).\n     *\n     * @param {Bool} smooth True if the lines should be smooth, false for tensioned lines.\n     */\n    Series.prototype.setSmooth = function(smooth) {\n        smooth = typeof smooth === 'undefined' ? null : smooth;\n        this._smooth = smooth;\n    };\n\n    /**\n     * Set the type of the series.\n     *\n     * @param {String} type A type constant value.\n     */\n    Series.prototype.setType = function(type) {\n        if (type != this.TYPE_DEFAULT && type != this.TYPE_LINE) {\n            throw new Error('Invalid serie type.');\n        }\n        this._type = type || null;\n    };\n\n    /**\n     * Set the index of the X axis.\n     *\n     * @param {Number} index The index.\n     */\n    Series.prototype.setXAxis = function(index) {\n        this._xaxis = index || null;\n    };\n\n\n    /**\n     * Set the index of the Y axis.\n     *\n     * @param {Number} index The index.\n     */\n    Series.prototype.setYAxis = function(index) {\n        this._yaxis = index || null;\n    };\n\n    /**\n     * Validate series labels.\n     *\n     * @protected\n     * @param {String[]} labels The labels of the serie.\n     */\n    Series.prototype._validateLabels = function(labels) {\n        if (labels && labels.length > 0 && labels.length != this.getCount()) {\n            throw new Error('Series labels must match series values.');\n        }\n    };\n\n    return Series;\n\n});\n"],"file":"chart_series.min.js"}
\ No newline at end of file
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart series.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_series\n */\ndefine([], function() {\n\n    /**\n     * Chart data series.\n     *\n     * @class\n     * @alias module:core/chart_series\n     * @param {String} label The series label.\n     * @param {Number[]} values The values.\n     */\n    function Series(label, values) {\n        if (typeof label !== 'string') {\n            throw new Error('Invalid label for series.');\n\n        } else if (typeof values !== 'object') {\n            throw new Error('Values for a series must be an array.');\n\n        } else if (values.length < 1) {\n            throw new Error('Invalid values received for series.');\n        }\n\n        this._colors = [];\n        this._label = label;\n        this._values = values;\n    }\n\n    /**\n     * The default type of series.\n     *\n     * @type {Null}\n     * @const\n     */\n    Series.prototype.TYPE_DEFAULT = null;\n\n    /**\n     * Type of series 'line'.\n     *\n     * @type {String}\n     * @const\n     */\n    Series.prototype.TYPE_LINE = 'line';\n\n    /**\n     * The colors of the series.\n     *\n     * @type {String[]}\n     * @protected\n     */\n    Series.prototype._colors = null;\n\n    /**\n     * The fill mode of the series.\n     *\n     * @type {Object}\n     * @protected\n     */\n    Series.prototype._fill = false;\n\n    /**\n     * The label of the series.\n     *\n     * @type {String}\n     * @protected\n     */\n    Series.prototype._label = null;\n\n    /**\n     * The labels for the values of the series.\n     *\n     * @type {String[]}\n     * @protected\n     */\n     Series.prototype._labels = null;\n\n    /**\n     * Whether the line of the serie should be smooth or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Series.prototype._smooth = false;\n\n    /**\n     * The type of the series.\n     *\n     * @type {String}\n     * @protected\n     */\n    Series.prototype._type = Series.prototype.TYPE_DEFAULT;\n\n    /**\n     * The values in the series.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._values = null;\n\n    /**\n     * The index of the X axis.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._xaxis = null;\n\n    /**\n     * The index of the Y axis.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._yaxis = null;\n\n    /**\n     * Create a new instance of a series from serialised data.\n     *\n     * @static\n     * @method create\n     * @param {Object} obj The data of the series.\n     * @return {module:core/chart_series}\n     */\n    Series.prototype.create = function(obj) {\n        var s = new Series(obj.label, obj.values);\n        s.setType(obj.type);\n        s.setXAxis(obj.axes.x);\n        s.setYAxis(obj.axes.y);\n        s.setLabels(obj.labels);\n\n        // Colors are exported as an array with 1, or n values.\n        if (obj.colors && obj.colors.length > 1) {\n            s.setColors(obj.colors);\n        } else {\n            s.setColor(obj.colors[0]);\n        }\n\n        s.setFill(obj.fill);\n        s.setSmooth(obj.smooth);\n        return s;\n    };\n\n    /**\n     * Get the color.\n     *\n     * @return {String}\n     */\n    Series.prototype.getColor = function() {\n        return this._colors[0] || null;\n    };\n\n    /**\n     * Get the colors for each value in the series.\n     *\n     * @return {String[]}\n     */\n    Series.prototype.getColors = function() {\n        return this._colors;\n    };\n\n    /**\n     * Get the number of values in the series.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getCount = function() {\n        return this._values.length;\n    };\n\n    /**\n     * Get the fill mode of the series.\n     *\n     * @return {Object}\n     */\n    Series.prototype.getFill = function() {\n      return this._fill;\n    };\n\n    /**\n     * Get the series label.\n     *\n     * @return {String}\n     */\n    Series.prototype.getLabel = function() {\n        return this._label;\n    };\n\n    /**\n     * Get labels for the values of the series.\n     *\n     * @return {String[]}\n     */\n    Series.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get whether the line of the serie should be smooth or not.\n     *\n     * @returns {Bool}\n     */\n    Series.prototype.getSmooth = function() {\n        return this._smooth;\n    };\n\n    /**\n     * Get the series type.\n     *\n     * @return {String}\n     */\n    Series.prototype.getType = function() {\n        return this._type;\n    };\n\n    /**\n     * Get the series values.\n     *\n     * @return {Number[]}\n     */\n    Series.prototype.getValues = function() {\n        return this._values;\n    };\n\n    /**\n     * Get the index of the X axis.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getXAxis = function() {\n        return this._xaxis;\n    };\n\n    /**\n     * Get the index of the Y axis.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getYAxis = function() {\n        return this._yaxis;\n    };\n\n    /**\n     * Whether there is a color per value.\n     *\n     * @return {Bool}\n     */\n    Series.prototype.hasColoredValues = function() {\n        return this._colors.length == this.getCount();\n    };\n\n    /**\n     * Set the series color.\n     *\n     * @param {String} color A CSS-compatible color.\n     */\n    Series.prototype.setColor = function(color) {\n        this._colors = [color];\n    };\n\n    /**\n     * Set a color for each value in the series.\n     *\n     * @param {String[]} colors CSS-compatible colors.\n     */\n    Series.prototype.setColors = function(colors) {\n        if (colors && colors.length != this.getCount()) {\n            throw new Error('When setting multiple colors there must be one per value.');\n        }\n        this._colors = colors || [];\n    };\n\n    /**\n     * Set the fill mode for the series.\n     *\n     * @param {Object} fill\n     */\n    Series.prototype.setFill = function(fill) {\n      this._fill = typeof fill === 'undefined' ? null : fill;\n    };\n\n    /**\n     * Set the labels for the values of the series.\n     *\n     * @param {String[]} labels the labels of the series values.\n     */\n    Series.prototype.setLabels = function(labels) {\n        this._validateLabels(labels);\n        labels = typeof labels === 'undefined' ? null : labels;\n        this._labels = labels;\n    };\n\n    /**\n     * Set Whether the line of the serie should be smooth or not.\n     *\n     * Only applicable for line chart or a line series, if null it assumes the chart default (not smooth).\n     *\n     * @param {Bool} smooth True if the lines should be smooth, false for tensioned lines.\n     */\n    Series.prototype.setSmooth = function(smooth) {\n        smooth = typeof smooth === 'undefined' ? null : smooth;\n        this._smooth = smooth;\n    };\n\n    /**\n     * Set the type of the series.\n     *\n     * @param {String} type A type constant value.\n     */\n    Series.prototype.setType = function(type) {\n        if (type != this.TYPE_DEFAULT && type != this.TYPE_LINE) {\n            throw new Error('Invalid serie type.');\n        }\n        this._type = type || null;\n    };\n\n    /**\n     * Set the index of the X axis.\n     *\n     * @param {Number} index The index.\n     */\n    Series.prototype.setXAxis = function(index) {\n        this._xaxis = index || null;\n    };\n\n\n    /**\n     * Set the index of the Y axis.\n     *\n     * @param {Number} index The index.\n     */\n    Series.prototype.setYAxis = function(index) {\n        this._yaxis = index || null;\n    };\n\n    /**\n     * Validate series labels.\n     *\n     * @protected\n     * @param {String[]} labels The labels of the serie.\n     */\n    Series.prototype._validateLabels = function(labels) {\n        if (labels && labels.length > 0 && labels.length != this.getCount()) {\n            throw new Error('Series labels must match series values.');\n        }\n    };\n\n    return Series;\n\n});\n"],"file":"chart_series.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/chartjs-lazy.min.js b/lib/amd/build/chartjs-lazy.min.js
index 3c1a6d9c57f..4472a3171dd 100644
--- a/lib/amd/build/chartjs-lazy.min.js
+++ b/lib/amd/build/chartjs-lazy.min.js
@@ -1,2 +1,2 @@
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Math.min(Math.max(t,e),a)}function c(e){var t=e.toString(16).toUpperCase();return 2>t.length?"0"+t:t}var u={};for(var m in h){u[h[m]]=m}},{5:5}],2:[function(e,t){var a=e(4),o=e(1),i=function(e){if(e instanceof i){return e}if(!(this instanceof i)){return new i(e)}this.valid=!1;this.values={rgb:[0,0,0],hsl:[0,0,0],hsv:[0,0,0],hwb:[0,0,0],cmyk:[0,0,0,0],alpha:1};var t;if("string"==typeof e){t=o.getRgba(e);if(t){this.setValues("rgb",t)}else if(t=o.getHsla(e)){this.setValues("hsl",t)}else if(t=o.getHwb(e)){this.setValues("hwb",t)}}else if("object"===_typeof(e)){t=e;if(t.r!==void 0||t.red!==void 0){this.setValues("rgb",t)}else if(t.l!==void 0||t.lightness!==void 0){this.setValues("hsl",t)}else if(t.v!==void 0||t.value!==void 0){this.setValues("hsv",t)}else if(t.w!==void 0||t.whiteness!==void 0){this.setValues("hwb",t)}else if(t.c!==void 0||t.cyan!==void 0){this.setValues("cmyk",t)}}};i.prototype={isValid:function isValid(){return this.valid},rgb:function rgb(){return this.setSpace("rgb",arguments)},hsl:function hsl(){return this.setSpace("hsl",arguments)},hsv:function hsv(){return this.setSpace("hsv",arguments)},hwb:function hwb(){return this.setSpace("hwb",arguments)},cmyk:function cmyk(){return this.setSpace("cmyk",arguments)},rgbArray:function rgbArray(){return this.values.rgb},hslArray:function hslArray(){return this.values.hsl},hsvArray:function hsvArray(){return this.values.hsv},hwbArray:function hwbArray(){var e=this.values;if(1!==e.alpha){return e.hwb.concat([e.alpha])}return e.hwb},cmykArray:function cmykArray(){return this.values.cmyk},rgbaArray:function rgbaArray(){var e=this.values;return e.rgb.concat([e.alpha])},hslaArray:function hslaArray(){var e=this.values;return e.hsl.concat([e.alpha])},alpha:function alpha(e){if(e===void 0){return this.values.alpha}this.setValues("alpha",e);return this},red:function red(e){return this.setChannel("rgb",0,e)},green:function green(e){return this.setChannel("rgb",1,e)},blue:function blue(e){return this.setChannel("rgb",2,e)},hue:function hue(e){if(e){e%=360;e=0>e?360+e:e}return this.setChannel("hsl",0,e)},saturation:function saturation(e){return this.setChannel("hsl",1,e)},lightness:function lightness(e){return this.setChannel("hsl",2,e)},saturationv:function saturationv(e){return this.setChannel("hsv",1,e)},whiteness:function whiteness(e){return this.setChannel("hwb",1,e)},blackness:function blackness(e){return this.setChannel("hwb",2,e)},value:function value(e){return this.setChannel("hsv",2,e)},cyan:function cyan(e){return this.setChannel("cmyk",0,e)},magenta:function magenta(e){return this.setChannel("cmyk",1,e)},yellow:function yellow(e){return this.setChannel("cmyk",2,e)},black:function black(e){return this.setChannel("cmyk",3,e)},hexString:function hexString(){return o.hexString(this.values.rgb)},rgbString:function rgbString(){return o.rgbString(this.values.rgb,this.values.alpha)},rgbaString:function rgbaString(){return o.rgbaString(this.values.rgb,this.values.alpha)},percentString:function percentString(){return o.percentString(this.values.rgb,this.values.alpha)},hslString:function hslString(){return o.hslString(this.values.hsl,this.values.alpha)},hslaString:function hslaString(){return o.hslaString(this.values.hsl,this.values.alpha)},hwbString:function hwbString(){return o.hwbString(this.values.hwb,this.values.alpha)},keyword:function keyword(){return o.keyword(this.values.rgb,this.values.alpha)},rgbNumber:function rgbNumber(){var e=this.values.rgb;return e[0]<<16|e[1]<<8|e[2]},luminosity:function luminosity(){for(var e=this.values.rgb,t=[],a=0,o;a<e.length;a++){o=e[a]/255;t[a]=.03928>=o?o/12.92:Math.pow((o+.055)/1.055,2.4)}return .2126*t[0]+.7152*t[1]+.0722*t[2]},contrast:function contrast(e){var t=this.luminosity(),a=e.luminosity();if(t>a){return(t+.05)/(a+.05)}return(a+.05)/(t+.05)},level:function level(e){var t=this.contrast(e);if(7.1<=t){return"AAA"}return 4.5<=t?"AA":""},dark:function dark(){var e=this.values.rgb,t=(299*e[0]+587*e[1]+114*e[2])/1e3;return 128>t},light:function light(){return!this.dark()},negate:function negate(){for(var e=[],t=0;3>t;t++){e[t]=255-this.values.rgb[t]}this.setValues("rgb",e);return this},lighten:function lighten(e){var t=this.values.hsl;t[2]+=t[2]*e;this.setValues("hsl",t);return this},darken:function darken(e){var t=this.values.hsl;t[2]-=t[2]*e;this.setValues("hsl",t);return this},saturate:function saturate(e){var t=this.values.hsl;t[1]+=t[1]*e;this.setValues("hsl",t);return this},desaturate:function desaturate(e){var t=this.values.hsl;t[1]-=t[1]*e;this.setValues("hsl",t);return this},whiten:function whiten(e){var t=this.values.hwb;t[1]+=t[1]*e;this.setValues("hwb",t);return this},blacken:function blacken(e){var t=this.values.hwb;t[2]+=t[2]*e;this.setValues("hwb",t);return this},greyscale:function greyscale(){var e=this.values.rgb,t=.3*e[0]+.59*e[1]+.11*e[2];this.setValues("rgb",[t,t,t]);return this},clearer:function clearer(e){var t=this.values.alpha;this.setValues("alpha",t-t*e);return this},opaquer:function opaquer(e){var t=this.values.alpha;this.setValues("alpha",t+t*e);return this},rotate:function rotate(e){var t=this.values.hsl,a=(t[0]+e)%360;t[0]=0>a?360+a:a;this.setValues("hsl",t);return this},mix:function mix(e,t){var o=this,i=e,n=t===void 0?.5:t,l=2*n-1,s=o.alpha()-i.alpha(),a=((-1==l*s?l:(l+s)/(1+l*s))+1)/2,d=1-a;return this.rgb(a*o.red()+d*i.red(),a*o.green()+d*i.green(),a*o.blue()+d*i.blue()).alpha(o.alpha()*n+i.alpha()*(1-n))},toJSON:function toJSON(){return this.rgb()},clone:function clone(){var e=new i,t=this.values,a=e.values,o,n;for(var l in t){if(t.hasOwnProperty(l)){o=t[l];n={}.toString.call(o);if("[object Array]"===n){a[l]=o.slice(0)}else if("[object Number]"===n){a[l]=o}else{console.error("unexpected color value:",o)}}}return e}};i.prototype.spaces={rgb:["red","green","blue"],hsl:["hue","saturation","lightness"],hsv:["hue","saturation","value"],hwb:["hue","whiteness","blackness"],cmyk:["cyan","magenta","yellow","black"]};i.prototype.maxes={rgb:[255,255,255],hsl:[360,100,100],hsv:[360,100,100],hwb:[360,100,100],cmyk:[100,100,100,100]};i.prototype.getValues=function(e){for(var t=this.values,a={},o=0;o<e.length;o++){a[e.charAt(o)]=t[e][o]}if(1!==t.alpha){a.a=t.alpha}return a};i.prototype.setValues=function(e,t){var o=this.values,n=this.spaces,l=this.maxes,s=1,d;this.valid=!0;if("alpha"===e){s=t}else if(t.length){o[e]=t.slice(0,e.length);s=t[e.length]}else if(t[e.charAt(0)]!==void 0){for(d=0;d<e.length;d++){o[e][d]=t[e.charAt(d)]}s=t.a}else if(t[n[e][0]]!==void 0){var c=n[e];for(d=0;d<e.length;d++){o[e][d]=t[c[d]]}s=t.alpha}o.alpha=Math.max(0,Math.min(1,s===void 0?o.alpha:s));if("alpha"===e){return!1}var h;for(d=0;d<e.length;d++){h=Math.max(0,Math.min(l[e][d],o[e][d]));o[e][d]=Math.round(h)}for(var u in 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t=e[0],a=e[1]/100,o=e[2]/100,i,n;n=(2-a)*o;i=a*o;i/=1>=n?n:2-n;i=i||0;n/=2;return[t,100*i,100*n]},hsv2hwb:function(e){return i(h(e))},hsv2cmyk:function(e){return n(h(e))},hsv2keyword:function(e){return l(h(e))},hwb2rgb:u,hwb2hsl:function(e){return a(u(e))},hwb2hsv:function(e){return o(u(e))},hwb2cmyk:function(e){return n(u(e))},hwb2keyword:function(e){return l(u(e))},cmyk2rgb:m,cmyk2hsl:function(e){return a(m(e))},cmyk2hsv:function(e){return o(m(e))},cmyk2hwb:function(e){return i(m(e))},cmyk2keyword:function(e){return l(m(e))},keyword2rgb:v,keyword2hsl:function(e){return a(v(e))},keyword2hsv:function(e){return o(v(e))},keyword2hwb:function(e){return i(v(e))},keyword2cmyk:function(e){return n(v(e))},keyword2lab:function(e){return d(v(e))},keyword2xyz:function(e){return s(v(e))},xyz2rgb:p,xyz2lab:f,xyz2lch:function(e){return x(f(e))},lab2xyz:y,lab2rgb:k,lab2lch:x,lch2lab:_,lch2xyz:function(e){return y(_(e))},lch2rgb:function(e){return k(_(e))}};function a(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255,i=Math.min(t,a,o),n=Math.max(t,a,o),d=n-i,c,u,m;if(n==i)c=0;else if(t==n)c=(a-o)/d;else if(a==n)c=2+(o-t)/d;else if(o==n)c=4+(t-a)/d;c=Math.min(60*c,360);if(0>c)c+=360;m=(i+n)/2;if(n==i)u=0;else if(.5>=m)u=d/(n+i);else u=d/(2-n-i);return[c,100*u,100*m]}function o(e){var t=e[0],a=e[1],o=e[2],i=Math.min(t,a,o),n=Math.max(t,a,o),l=n-i,d,c,u;if(0==n)c=0;else c=1e3*(l/n)/10;if(n==i)d=0;else if(t==n)d=(a-o)/l;else if(a==n)d=2+(o-t)/l;else if(o==n)d=4+(t-a)/l;d=Math.min(60*d,360);if(0>d)d+=360;u=1e3*(n/255)/10;return[d,c,u]}function i(e){var t=e[0],o=e[1],i=e[2],n=a(e)[0],l=1/255*Math.min(t,Math.min(o,i)),i=1-1/255*Math.max(t,Math.max(o,i));return[n,100*l,100*i]}function n(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255,i,n,l,s;s=Math.min(1-t,1-a,1-o);i=(1-t-s)/(1-s)||0;n=(1-a-s)/(1-s)||0;l=(1-o-s)/(1-s)||0;return[100*i,100*n,100*l,100*s]}function l(e){return w[JSON.stringify(e)]}function s(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255;t=.04045<t?Math.pow((t+.055)/1.055,2.4):t/12.92;a=.04045<a?Math.pow((a+.055)/1.055,2.4):a/12.92;o=.04045<o?Math.pow((o+.055)/1.055,2.4):o/12.92;var i=.4124*t+.3576*a+.1805*o,n=.2126*t+.7152*a+.0722*o,l=.0193*t+.1192*a+.9505*o;return[100*i,100*n,100*l]}function d(e){var t=s(e),o=t[0],i=t[1],n=t[2],d,c,h;o/=95.047;i/=100;n/=108.883;o=.008856<o?Math.pow(o,1/3):7.787*o+16/116;i=.008856<i?Math.pow(i,1/3):7.787*i+16/116;n=.008856<n?Math.pow(n,1/3):7.787*n+16/116;d=116*i-16;c=500*(o-i);h=200*(i-n);return[d,c,h]}function c(e){var t=e[0]/360,a=e[1]/100,o=e[2]/100,n,l,s,d,c;if(0==a){c=255*o;return[c,c,c]}if(.5>o)l=o*(1+a);else l=o+a-o*a;n=2*o-l;d=[0,0,0];for(var h=0;3>h;h++){s=t+1/3*-(h-1);0>s&&s++;1<s&&s--;if(1>6*s)c=n+6*(l-n)*s;else if(1>2*s)c=l;else if(2>3*s)c=n+6*((l-n)*(2/3-s));else c=n;d[h]=255*c}return d}function h(e){var a=e[0]/60,o=e[1]/100,i=e[2]/100,n=Math.floor(a)%6,l=a-Math.floor(a),s=255*i*(1-o),d=255*i*(1-o*l),c=255*i*(1-o*(1-l)),i=255*i;switch(n){case 0:return[i,c,s];case 1:return[d,i,s];case 2:return[s,i,c];case 3:return[s,d,i];case 4:return[c,s,i];case 5:return[i,s,d];}}function u(e){var t=e[0]/360,a=e[1]/100,o=e[2]/100,l=a+o,s,d,c,h;if(1<l){a/=l;o/=l}s=Math.floor(6*t);d=1-o;c=6*t-s;if(0!=(1&s)){c=1-c}h=a+c*(d-a);switch(s){default:case 6:case 0:r=d;g=h;b=a;break;case 1:r=h;g=d;b=a;break;case 2:r=a;g=d;b=h;break;case 3:r=a;g=h;b=d;break;case 4:r=h;g=a;b=d;break;case 5:r=d;g=a;b=h;break;}return[255*r,255*g,255*b]}function m(e){var t=e[0]/100,a=e[1]/100,o=e[2]/100,i=e[3]/100,n,l,s;n=1-Math.min(1,t*(1-i)+i);l=1-Math.min(1,a*(1-i)+i);s=1-Math.min(1,o*(1-i)+i);return[255*n,255*l,255*s]}function p(e){var 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e(t,a)}}},{}],10:[function(e,t){'use strict';t.exports=function(e){e.Doughnut=function(t,a){a.type="doughnut";return new e(t,a)}}},{}],11:[function(e,t){'use strict';t.exports=function(e){e.Line=function(t,a){a.type="line";return new e(t,a)}}},{}],12:[function(e,t){'use strict';t.exports=function(e){e.PolarArea=function(t,a){a.type="polarArea";return new e(t,a)}}},{}],13:[function(e,t){'use strict';t.exports=function(e){e.Radar=function(t,a){a.type="radar";return new e(t,a)}}},{}],14:[function(e,t){'use strict';t.exports=function(e){e.Scatter=function(t,a){a.type="scatter";return new e(t,a)}}},{}],15:[function(e,t){'use strict';var a=e(25),o=e(40),n=e(45);a._set("bar",{hover:{mode:"label"},scales:{xAxes:[{type:"category",categoryPercentage:.8,barPercentage:.9,offset:!0,gridLines:{offsetGridLines:!0}}],yAxes:[{type:"linear"}]}});a._set("horizontalBar",{hover:{mode:"index",axis:"y"},scales:{xAxes:[{type:"linear",position:"bottom"}],yAxes:[{position:"left",type:"category",categoryPercentage:.8,barPercentage:.9,offset:!0,gridLines:{offsetGridLines:!0}}]},elements:{rectangle:{borderSkipped:"left"}},tooltips:{callbacks:{title:function(e,t){var a="";if(0<e.length){if(e[0].yLabel){a=e[0].yLabel}else if(0<t.labels.length&&e[0].index<t.labels.length){a=t.labels[e[0].index]}}return a},label:function label(e,t){var a=t.datasets[e.datasetIndex].label||"";return a+": "+e.xLabel}},mode:"index",axis:"y"}});t.exports=function(e){e.controllers.bar=e.DatasetController.extend({dataElementType:o.Rectangle,initialize:function initialize(){var t=this,a;e.DatasetController.prototype.initialize.apply(t,arguments);a=t.getMeta();a.stack=t.getDataset().stack;a.bar=!0},update:function update(e){var t=this,a=t.getMeta().data,o,n;t._ruler=t.getRuler();for(o=0,n=a.length;o<n;++o){t.updateElement(a[o],o,e)}},updateElement:function updateElement(e,t,a){var o=this,i=o.chart,l=o.getMeta(),s=o.getDataset(),d=e.custom||{},c=i.options.elements.rectangle;e._xScale=o.getScaleForId(l.xAxisID);e._yScale=o.getScaleForId(l.yAxisID);e._datasetIndex=o.index;e._index=t;e._model={datasetLabel:s.label,label:i.data.labels[t],borderSkipped:d.borderSkipped?d.borderSkipped:c.borderSkipped,backgroundColor:d.backgroundColor?d.backgroundColor:n.valueAtIndexOrDefault(s.backgroundColor,t,c.backgroundColor),borderColor:d.borderColor?d.borderColor:n.valueAtIndexOrDefault(s.borderColor,t,c.borderColor),borderWidth:d.borderWidth?d.borderWidth:n.valueAtIndexOrDefault(s.borderWidth,t,c.borderWidth)};o.updateElementGeometry(e,t,a);e.pivot()},updateElementGeometry:function updateElementGeometry(e,t,a){var o=this,i=e._model,n=o.getValueScale(),l=n.getBasePixel(),s=n.isHorizontal(),d=o._ruler||o.getRuler(),c=o.calculateBarValuePixels(o.index,t),h=o.calculateBarIndexPixels(o.index,t,d);i.horizontal=s;i.base=a?l:c.base;i.x=s?a?l:c.head:h.center;i.y=s?h.center:a?l:c.head;i.height=s?h.size:void 0;i.width=s?void 0:h.size},getValueScaleId:function getValueScaleId(){return this.getMeta().yAxisID},getIndexScaleId:function getIndexScaleId(){return this.getMeta().xAxisID},getValueScale:function getValueScale(){return this.getScaleForId(this.getValueScaleId())},getIndexScale:function getIndexScale(){return this.getScaleForId(this.getIndexScaleId())},getStackCount:function getStackCount(e){var t=this,a=t.chart,o=t.getIndexScale(),n=o.options.stacked,l=e===void 0?a.data.datasets.length:e+1,s=[],d,c;for(d=0;d<l;++d){c=a.getDatasetMeta(d);if(c.bar&&a.isDatasetVisible(d)&&(!1===n||!0===n&&-1===s.indexOf(c.stack)||n===void 0&&(c.stack===void 0||-1===s.indexOf(c.stack)))){s.push(c.stack)}}return s.length},getStackIndex:function getStackIndex(e){return this.getStackCount(e)-1},getRuler:function getRuler(){var e=this,t=e.getIndexScale(),a=e.getStackCount(),o=e.index,n=[],l=t.isHorizontal(),s=l?t.left:t.top,d=s+(l?t.width:t.height),c,h;for(c=0,h=e.getMeta().data.length;c<h;++c){n.push(t.getPixelForValue(null,c,o))}return{pixels:n,start:s,end:d,stackCount:a,scale:t}},calculateBarValuePixels:function calculateBarValuePixels(e,t){var a=this,o=a.chart,n=a.getMeta(),l=a.getValueScale(),s=o.data.datasets,d=l.getRightValue(s[e].data[t]),c=l.options.stacked,h=n.stack,u=0,m,p,f,y,x,k;if(c||c===void 0&&h!==void 0){for(m=0;m<e;++m){p=o.getDatasetMeta(m);if(p.bar&&p.stack===h&&p.controller.getValueScaleId()===l.id&&o.isDatasetVisible(m)){f=l.getRightValue(s[m].data[t]);if(0>d&&0>f||0<=d&&0<f){u+=f}}}}y=l.getPixelForValue(u);x=l.getPixelForValue(u+d);k=(x-y)/2;return{size:k,base:y,head:x,center:x+k/2}},calculateBarIndexPixels:function calculateBarIndexPixels(e,t,a){var o=this,i=a.scale.options,l=o.getStackIndex(e),s=a.pixels,d=s[t],c=s.length,h=a.start,u=a.end,m,p,f,y,x,k;if(1===c){m=d>h?d-h:u-d;p=d<u?u-d:d-h}else{if(0<t){m=(d-s[t-1])/2;if(t===c-1){p=m}}if(t<c-1){p=(s[t+1]-d)/2;if(0===t){m=p}}}f=m*i.categoryPercentage;y=p*i.categoryPercentage;x=(f+y)/a.stackCount;k=x*i.barPercentage;k=Math.min(n.valueOrDefault(i.barThickness,k),n.valueOrDefault(i.maxBarThickness,1/0));d-=f;d+=x*l;d+=(x-k)/2;return{size:k,base:d,head:d+k,center:d+k/2}},draw:function draw(){var e=this,t=e.chart,a=e.getValueScale(),o=e.getMeta().data,l=e.getDataset(),s=o.length,d=0;n.canvas.clipArea(t.ctx,t.chartArea);for(;d<s;++d){if(!isNaN(a.getRightValue(l.data[d]))){o[d].draw()}}n.canvas.unclipArea(t.ctx)},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model;i.backgroundColor=o.hoverBackgroundColor?o.hoverBackgroundColor:n.valueAtIndexOrDefault(t.hoverBackgroundColor,a,n.getHoverColor(i.backgroundColor));i.borderColor=o.hoverBorderColor?o.hoverBorderColor:n.valueAtIndexOrDefault(t.hoverBorderColor,a,n.getHoverColor(i.borderColor));i.borderWidth=o.hoverBorderWidth?o.hoverBorderWidth:n.valueAtIndexOrDefault(t.hoverBorderWidth,a,i.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model,l=this.chart.options.elements.rectangle;i.backgroundColor=o.backgroundColor?o.backgroundColor:n.valueAtIndexOrDefault(t.backgroundColor,a,l.backgroundColor);i.borderColor=o.borderColor?o.borderColor:n.valueAtIndexOrDefault(t.borderColor,a,l.borderColor);i.borderWidth=o.borderWidth?o.borderWidth:n.valueAtIndexOrDefault(t.borderWidth,a,l.borderWidth)}});e.controllers.horizontalBar=e.controllers.bar.extend({getValueScaleId:function getValueScaleId(){return this.getMeta().xAxisID},getIndexScaleId:function getIndexScaleId(){return this.getMeta().yAxisID}})}},{25:25,40:40,45:45}],16:[function(e,t){'use strict';var a=e(25),o=e(40),n=e(45);a._set("bubble",{hover:{mode:"single"},scales:{xAxes:[{type:"linear",position:"bottom",id:"x-axis-0"}],yAxes:[{type:"linear",position:"left",id:"y-axis-0"}]},tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){var a=t.datasets[e.datasetIndex].label||"",o=t.datasets[e.datasetIndex].data[e.index];return a+": ("+e.xLabel+", "+e.yLabel+", "+o.r+")"}}}});t.exports=function(e){e.controllers.bubble=e.DatasetController.extend({dataElementType:o.Point,update:function update(e){var t=this,a=t.getMeta(),o=a.data;n.each(o,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){var o=this,i=o.getMeta(),n=e.custom||{},l=o.getScaleForId(i.xAxisID),s=o.getScaleForId(i.yAxisID),d=o._resolveElementOptions(e,t),c=o.getDataset().data[t],h=o.index,u=a?l.getPixelForDecimal(.5):l.getPixelForValue("object"===_typeof(c)?c:NaN,t,h),m=a?s.getBasePixel():s.getPixelForValue(c,t,h);e._xScale=l;e._yScale=s;e._options=d;e._datasetIndex=h;e._index=t;e._model={backgroundColor:d.backgroundColor,borderColor:d.borderColor,borderWidth:d.borderWidth,hitRadius:d.hitRadius,pointStyle:d.pointStyle,radius:a?0:d.radius,skip:n.skip||isNaN(u)||isNaN(m),x:u,y:m};e.pivot()},setHoverStyle:function setHoverStyle(e){var t=e._model,a=e._options;t.backgroundColor=n.valueOrDefault(a.hoverBackgroundColor,n.getHoverColor(a.backgroundColor));t.borderColor=n.valueOrDefault(a.hoverBorderColor,n.getHoverColor(a.borderColor));t.borderWidth=n.valueOrDefault(a.hoverBorderWidth,a.borderWidth);t.radius=a.radius+a.hoverRadius},removeHoverStyle:function removeHoverStyle(e){var t=e._model,a=e._options;t.backgroundColor=a.backgroundColor;t.borderColor=a.borderColor;t.borderWidth=a.borderWidth;t.radius=a.radius},_resolveElementOptions:function _resolveElementOptions(e,t){var a=this,o=a.chart,l=o.data.datasets,s=l[a.index],d=e.custom||{},c=o.options.elements.point,h=n.options.resolve,u=s.data[t],m={},p,f,y,x={chart:o,dataIndex:t,dataset:s,datasetIndex:a.index},k=["backgroundColor","borderColor","borderWidth","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth","hoverRadius","hitRadius","pointStyle"];for(p=0,f=k.length;p<f;++p){y=k[p];m[y]=h([d[y],s[y],c[y]],x,t)}m.radius=h([d.radius,u?u.r:void 0,s.radius,c.radius],x,t);return m}})}},{25:25,40:40,45:45}],17:[function(e,t){'use strict';var a=e(25),o=e(40),n=e(45);a._set("doughnut",{animation:{animateRotate:!0,animateScale:!1},hover:{mode:"single"},legendCallback:function legendCallback(e){var t=["<ul class=\""+e.id+"-legend\">"],a=e.data,o=a.datasets,n=a.labels;if(o.length){for(var l=0;l<o[0].data.length;++l){t.push("<li><span style=\"background-color:"+o[0].backgroundColor[l]+"\"></span>");if(n[l]){t.push(n[l])}t.push("</li>")}}t.push("</ul>");return t.join("")},legend:{labels:{generateLabels:function generateLabels(e){var t=e.data;if(t.labels.length&&t.datasets.length){return t.labels.map(function(a,o){var i=e.getDatasetMeta(0),l=t.datasets[0],s=i.data[o],d=s&&s.custom||{},c=n.valueAtIndexOrDefault,h=e.options.elements.arc,u=d.backgroundColor?d.backgroundColor:c(l.backgroundColor,o,h.backgroundColor),m=d.borderColor?d.borderColor:c(l.borderColor,o,h.borderColor),p=d.borderWidth?d.borderWidth:c(l.borderWidth,o,h.borderWidth);return{text:a,fillStyle:u,strokeStyle:m,lineWidth:p,hidden:isNaN(l.data[o])||i.data[o].hidden,index:o}})}return[]}},onClick:function onClick(t,e){var a=e.index,o=this.chart,n,l,s;for(n=0,l=(o.data.datasets||[]).length;n<l;++n){s=o.getDatasetMeta(n);if(s.data[a]){s.data[a].hidden=!s.data[a].hidden}}o.update()}},cutoutPercentage:50,rotation:-.5*Math.PI,circumference:2*Math.PI,tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){var a=t.labels[e.index],o=": "+t.datasets[e.datasetIndex].data[e.index];if(n.isArray(a)){a=a.slice();a[0]+=o}else{a+=o}return a}}}});a._set("pie",n.clone(a.doughnut));a._set("pie",{cutoutPercentage:0});t.exports=function(e){e.controllers.doughnut=e.controllers.pie=e.DatasetController.extend({dataElementType:o.Arc,linkScales:n.noop,getRingIndex:function getRingIndex(e){for(var t=0,a=0;a<e;++a){if(this.chart.isDatasetVisible(a)){++t}}return t},update:function update(e){var t=this,a=t.chart,o=a.chartArea,i=a.options,l=i.elements.arc,s=o.right-o.left-l.borderWidth,d=o.bottom-o.top-l.borderWidth,c=Math.min(s,d),h={x:0,y:0},u=t.getMeta(),m=i.cutoutPercentage,p=i.circumference;if(p<2*Math.PI){var f=i.rotation%(2*Math.PI);f+=2*Math.PI*(f>=Math.PI?-1:f<-Math.PI?1:0);var y=f+p,x={x:Math.cos(f),y:Math.sin(f)},k={x:Math.cos(y),y:Math.sin(y)},_=0>=f&&0<=y||f<=2*Math.PI&&2*Math.PI<=y,v=f<=.5*Math.PI&&.5*Math.PI<=y||f<=2.5*Math.PI&&2.5*Math.PI<=y,S=f<=-Math.PI&&-Math.PI<=y||f<=Math.PI&&Math.PI<=y,w=f<=.5*-Math.PI&&.5*-Math.PI<=y||f<=1.5*Math.PI&&1.5*Math.PI<=y,D=m/100,C={x:S?-1:Math.min(x.x*(0>x.x?1:D),k.x*(0>k.x?1:D)),y:w?-1:Math.min(x.y*(0>x.y?1:D),k.y*(0>k.y?1:D))},P={x:_?1:Math.max(x.x*(0<x.x?1:D),k.x*(0<k.x?1:D)),y:v?1:Math.max(x.y*(0<x.y?1:D),k.y*(0<k.y?1:D))},T={width:.5*(P.x-C.x),height:.5*(P.y-C.y)};c=Math.min(s/T.width,d/T.height);h={x:-.5*(P.x+C.x),y:-.5*(P.y+C.y)}}a.borderWidth=t.getMaxBorderWidth(u.data);a.outerRadius=Math.max((c-a.borderWidth)/2,0);a.innerRadius=Math.max(m?a.outerRadius/100*m:0,0);a.radiusLength=(a.outerRadius-a.innerRadius)/a.getVisibleDatasetCount();a.offsetX=h.x*a.outerRadius;a.offsetY=h.y*a.outerRadius;u.total=t.calculateTotal();t.outerRadius=a.outerRadius-a.radiusLength*t.getRingIndex(t.index);t.innerRadius=Math.max(t.outerRadius-a.radiusLength,0);n.each(u.data,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){var o=this,i=o.chart,l=i.chartArea,s=i.options,d=s.animation,c=(l.left+l.right)/2,h=(l.top+l.bottom)/2,u=s.rotation,m=s.rotation,p=o.getDataset(),f=a&&d.animateRotate?0:e.hidden?0:o.calculateCircumference(p.data[t])*(s.circumference/(2*Math.PI)),y=a&&d.animateScale?0:o.innerRadius,x=a&&d.animateScale?0:o.outerRadius,k=n.valueAtIndexOrDefault;n.extend(e,{_datasetIndex:o.index,_index:t,_model:{x:c+i.offsetX,y:h+i.offsetY,startAngle:u,endAngle:m,circumference:f,outerRadius:x,innerRadius:y,label:k(p.label,t,i.data.labels[t])}});var _=e._model;this.removeHoverStyle(e);if(!a||!d.animateRotate){if(0===t){_.startAngle=s.rotation}else{_.startAngle=o.getMeta().data[t-1]._model.endAngle}_.endAngle=_.startAngle+_.circumference}e.pivot()},removeHoverStyle:function removeHoverStyle(t){e.DatasetController.prototype.removeHoverStyle.call(this,t,this.chart.options.elements.arc)},calculateTotal:function calculateTotal(){var e=this.getDataset(),t=this.getMeta(),a=0,o;n.each(t.data,function(t,i){o=e.data[i];if(!isNaN(o)&&!t.hidden){a+=Math.abs(o)}});return a},calculateCircumference:function calculateCircumference(e){var t=this.getMeta().total;if(0<t&&!isNaN(e)){return 2*Math.PI*(e/t)}return 0},getMaxBorderWidth:function getMaxBorderWidth(e){for(var t=0,a=this.index,o=e.length,n,l,s=0;s<o;s++){n=e[s]._model?e[s]._model.borderWidth:0;l=e[s]._chart?e[s]._chart.config.data.datasets[a].hoverBorderWidth:0;t=n>t?n:t;t=l>t?l:t}return t}})}},{25:25,40:40,45:45}],18:[function(e,t){'use strict';var a=e(25),o=e(40),n=e(45);a._set("line",{showLines:!0,spanGaps:!1,hover:{mode:"label"},scales:{xAxes:[{type:"category",id:"x-axis-0"}],yAxes:[{type:"linear",id:"y-axis-0"}]}});t.exports=function(e){function t(e,t){return n.valueOrDefault(e.showLine,t.showLines)}e.controllers.line=e.DatasetController.extend({datasetElementType:o.Line,dataElementType:o.Point,update:function update(e){var a=this,o=a.getMeta(),l=o.dataset,s=o.data||[],d=a.chart.options,c=d.elements.line,h=a.getScaleForId(o.yAxisID),u,m,p,f=a.getDataset(),y=t(f,d);if(y){p=l.custom||{};if(f.tension!==void 0&&f.lineTension===void 0){f.lineTension=f.tension}l._scale=h;l._datasetIndex=a.index;l._children=s;l._model={spanGaps:f.spanGaps?f.spanGaps:d.spanGaps,tension:p.tension?p.tension:n.valueOrDefault(f.lineTension,c.tension),backgroundColor:p.backgroundColor?p.backgroundColor:f.backgroundColor||c.backgroundColor,borderWidth:p.borderWidth?p.borderWidth:f.borderWidth||c.borderWidth,borderColor:p.borderColor?p.borderColor:f.borderColor||c.borderColor,borderCapStyle:p.borderCapStyle?p.borderCapStyle:f.borderCapStyle||c.borderCapStyle,borderDash:p.borderDash?p.borderDash:f.borderDash||c.borderDash,borderDashOffset:p.borderDashOffset?p.borderDashOffset:f.borderDashOffset||c.borderDashOffset,borderJoinStyle:p.borderJoinStyle?p.borderJoinStyle:f.borderJoinStyle||c.borderJoinStyle,fill:p.fill?p.fill:f.fill!==void 0?f.fill:c.fill,steppedLine:p.steppedLine?p.steppedLine:n.valueOrDefault(f.steppedLine,c.stepped),cubicInterpolationMode:p.cubicInterpolationMode?p.cubicInterpolationMode:n.valueOrDefault(f.cubicInterpolationMode,c.cubicInterpolationMode)};l.pivot()}for(u=0,m=s.length;u<m;++u){a.updateElement(s[u],u,e)}if(y&&0!==l._model.tension){a.updateBezierControlPoints()}for(u=0,m=s.length;u<m;++u){s[u].pivot()}},getPointBackgroundColor:function getPointBackgroundColor(e,t){var a=this.chart.options.elements.point.backgroundColor,o=this.getDataset(),i=e.custom||{};if(i.backgroundColor){a=i.backgroundColor}else if(o.pointBackgroundColor){a=n.valueAtIndexOrDefault(o.pointBackgroundColor,t,a)}else if(o.backgroundColor){a=o.backgroundColor}return a},getPointBorderColor:function getPointBorderColor(e,t){var a=this.chart.options.elements.point.borderColor,o=this.getDataset(),i=e.custom||{};if(i.borderColor){a=i.borderColor}else if(o.pointBorderColor){a=n.valueAtIndexOrDefault(o.pointBorderColor,t,a)}else if(o.borderColor){a=o.borderColor}return a},getPointBorderWidth:function getPointBorderWidth(e,t){var a=this.chart.options.elements.point.borderWidth,o=this.getDataset(),i=e.custom||{};if(!isNaN(i.borderWidth)){a=i.borderWidth}else if(!isNaN(o.pointBorderWidth)||n.isArray(o.pointBorderWidth)){a=n.valueAtIndexOrDefault(o.pointBorderWidth,t,a)}else if(!isNaN(o.borderWidth)){a=o.borderWidth}return a},updateElement:function updateElement(e,t,a){var o=this,i=o.getMeta(),l=e.custom||{},s=o.getDataset(),d=o.index,c=s.data[t],h=o.getScaleForId(i.yAxisID),u=o.getScaleForId(i.xAxisID),m=o.chart.options.elements.point,p,f;if(s.radius!==void 0&&s.pointRadius===void 0){s.pointRadius=s.radius}if(s.hitRadius!==void 0&&s.pointHitRadius===void 0){s.pointHitRadius=s.hitRadius}p=u.getPixelForValue("object"===_typeof(c)?c:NaN,t,d);f=a?h.getBasePixel():o.calculatePointY(c,t,d);e._xScale=u;e._yScale=h;e._datasetIndex=d;e._index=t;e._model={x:p,y:f,skip:l.skip||isNaN(p)||isNaN(f),radius:l.radius||n.valueAtIndexOrDefault(s.pointRadius,t,m.radius),pointStyle:l.pointStyle||n.valueAtIndexOrDefault(s.pointStyle,t,m.pointStyle),backgroundColor:o.getPointBackgroundColor(e,t),borderColor:o.getPointBorderColor(e,t),borderWidth:o.getPointBorderWidth(e,t),tension:i.dataset._model?i.dataset._model.tension:0,steppedLine:i.dataset._model?i.dataset._model.steppedLine:!1,hitRadius:l.hitRadius||n.valueAtIndexOrDefault(s.pointHitRadius,t,m.hitRadius)}},calculatePointY:function calculatePointY(e,t,a){var o=this,n=o.chart,l=o.getMeta(),s=o.getScaleForId(l.yAxisID),d=0,c=0,h,u,m;if(s.options.stacked){for(h=0;h<a;h++){u=n.data.datasets[h];m=n.getDatasetMeta(h);if("line"===m.type&&m.yAxisID===s.id&&n.isDatasetVisible(h)){var p=+s.getRightValue(u.data[t]);if(0>p){c+=p||0}else{d+=p||0}}}var f=+s.getRightValue(e);if(0>f){return s.getPixelForValue(c+f)}return s.getPixelForValue(d+f)}return s.getPixelForValue(e)},updateBezierControlPoints:function updateBezierControlPoints(){var t=this,a=t.getMeta(),o=t.chart.chartArea,l=a.data||[],s,d,c,h,u;if(a.dataset._model.spanGaps){l=l.filter(function(e){return!e._model.skip})}function e(e,t,a){return Math.max(Math.min(e,a),t)}if("monotone"===a.dataset._model.cubicInterpolationMode){n.splineCurveMonotone(l)}else{for(s=0,d=l.length;s<d;++s){c=l[s];h=c._model;u=n.splineCurve(n.previousItem(l,s)._model,h,n.nextItem(l,s)._model,a.dataset._model.tension);h.controlPointPreviousX=u.previous.x;h.controlPointPreviousY=u.previous.y;h.controlPointNextX=u.next.x;h.controlPointNextY=u.next.y}}if(t.chart.options.elements.line.capBezierPoints){for(s=0,d=l.length;s<d;++s){h=l[s]._model;h.controlPointPreviousX=e(h.controlPointPreviousX,o.left,o.right);h.controlPointPreviousY=e(h.controlPointPreviousY,o.top,o.bottom);h.controlPointNextX=e(h.controlPointNextX,o.left,o.right);h.controlPointNextY=e(h.controlPointNextY,o.top,o.bottom)}}},draw:function draw(){var e=this,a=e.chart,o=e.getMeta(),l=o.data||[],s=a.chartArea,d=l.length,c=0;n.canvas.clipArea(a.ctx,s);if(t(e.getDataset(),a.options)){o.dataset.draw()}n.canvas.unclipArea(a.ctx);for(;c<d;++c){l[c].draw(s)}},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model;i.radius=o.hoverRadius||n.valueAtIndexOrDefault(t.pointHoverRadius,a,this.chart.options.elements.point.hoverRadius);i.backgroundColor=o.hoverBackgroundColor||n.valueAtIndexOrDefault(t.pointHoverBackgroundColor,a,n.getHoverColor(i.backgroundColor));i.borderColor=o.hoverBorderColor||n.valueAtIndexOrDefault(t.pointHoverBorderColor,a,n.getHoverColor(i.borderColor));i.borderWidth=o.hoverBorderWidth||n.valueAtIndexOrDefault(t.pointHoverBorderWidth,a,i.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this,a=t.chart.data.datasets[e._datasetIndex],o=e._index,i=e.custom||{},l=e._model;if(a.radius!==void 0&&a.pointRadius===void 0){a.pointRadius=a.radius}l.radius=i.radius||n.valueAtIndexOrDefault(a.pointRadius,o,t.chart.options.elements.point.radius);l.backgroundColor=t.getPointBackgroundColor(e,o);l.borderColor=t.getPointBorderColor(e,o);l.borderWidth=t.getPointBorderWidth(e,o)}})}},{25:25,40:40,45:45}],19:[function(e,t){'use strict';var a=e(25),o=e(40),n=e(45);a._set("polarArea",{scale:{type:"radialLinear",angleLines:{display:!1},gridLines:{circular:!0},pointLabels:{display:!1},ticks:{beginAtZero:!0}},animation:{animateRotate:!0,animateScale:!0},startAngle:-.5*Math.PI,legendCallback:function legendCallback(e){var t=["<ul class=\""+e.id+"-legend\">"],a=e.data,o=a.datasets,n=a.labels;if(o.length){for(var l=0;l<o[0].data.length;++l){t.push("<li><span style=\"background-color:"+o[0].backgroundColor[l]+"\"></span>");if(n[l]){t.push(n[l])}t.push("</li>")}}t.push("</ul>");return t.join("")},legend:{labels:{generateLabels:function generateLabels(e){var t=e.data;if(t.labels.length&&t.datasets.length){return t.labels.map(function(a,o){var i=e.getDatasetMeta(0),l=t.datasets[0],s=i.data[o],d=s.custom||{},c=n.valueAtIndexOrDefault,h=e.options.elements.arc,u=d.backgroundColor?d.backgroundColor:c(l.backgroundColor,o,h.backgroundColor),m=d.borderColor?d.borderColor:c(l.borderColor,o,h.borderColor),p=d.borderWidth?d.borderWidth:c(l.borderWidth,o,h.borderWidth);return{text:a,fillStyle:u,strokeStyle:m,lineWidth:p,hidden:isNaN(l.data[o])||i.data[o].hidden,index:o}})}return[]}},onClick:function onClick(t,e){var a=e.index,o=this.chart,n,l,s;for(n=0,l=(o.data.datasets||[]).length;n<l;++n){s=o.getDatasetMeta(n);s.data[a].hidden=!s.data[a].hidden}o.update()}},tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){return t.labels[e.index]+": "+e.yLabel}}}});t.exports=function(e){e.controllers.polarArea=e.DatasetController.extend({dataElementType:o.Arc,linkScales:n.noop,update:function update(e){var t=this,a=t.chart,o=a.chartArea,i=t.getMeta(),l=a.options,s=l.elements.arc,d=Math.min(o.right-o.left,o.bottom-o.top);a.outerRadius=Math.max((d-s.borderWidth/2)/2,0);a.innerRadius=Math.max(l.cutoutPercentage?a.outerRadius/100*l.cutoutPercentage:1,0);a.radiusLength=(a.outerRadius-a.innerRadius)/a.getVisibleDatasetCount();t.outerRadius=a.outerRadius-a.radiusLength*t.index;t.innerRadius=t.outerRadius-a.radiusLength;i.count=t.countVisibleElements();n.each(i.data,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){for(var o=this,l=o.chart,s=o.getDataset(),d=l.options,c=d.animation,h=l.scale,u=l.data.labels,m=o.calculateCircumference(s.data[t]),p=h.xCenter,f=h.yCenter,y=0,x=o.getMeta(),k=0;k<t;++k){if(!isNaN(s.data[k])&&!x.data[k].hidden){++y}}var _=d.startAngle,v=e.hidden?0:h.getDistanceFromCenterForValue(s.data[t]),S=_+m*y,w=S+(e.hidden?0:m),D=c.animateScale?0:h.getDistanceFromCenterForValue(s.data[t]);n.extend(e,{_datasetIndex:o.index,_index:t,_scale:h,_model:{x:p,y:f,innerRadius:0,outerRadius:a?D:v,startAngle:a&&c.animateRotate?_:S,endAngle:a&&c.animateRotate?_:w,label:n.valueAtIndexOrDefault(u,t,u[t])}});o.removeHoverStyle(e);e.pivot()},removeHoverStyle:function removeHoverStyle(t){e.DatasetController.prototype.removeHoverStyle.call(this,t,this.chart.options.elements.arc)},countVisibleElements:function countVisibleElements(){var e=this.getDataset(),t=this.getMeta(),a=0;n.each(t.data,function(t,o){if(!isNaN(e.data[o])&&!t.hidden){a++}});return a},calculateCircumference:function calculateCircumference(e){var t=this.getMeta().count;if(0<t&&!isNaN(e)){return 2*Math.PI/t}return 0}})}},{25:25,40:40,45:45}],20:[function(e,t){'use strict';var a=e(25),o=e(40),i=e(45);a._set("radar",{scale:{type:"radialLinear"},elements:{line:{tension:0}}});t.exports=function(e){e.controllers.radar=e.DatasetController.extend({datasetElementType:o.Line,dataElementType:o.Point,linkScales:i.noop,update:function update(e){var t=this,a=t.getMeta(),o=a.dataset,n=a.data,l=o.custom||{},s=t.getDataset(),d=t.chart.options.elements.line,c=t.chart.scale;if(s.tension!==void 0&&s.lineTension===void 0){s.lineTension=s.tension}i.extend(a.dataset,{_datasetIndex:t.index,_scale:c,_children:n,_loop:!0,_model:{tension:l.tension?l.tension:i.valueOrDefault(s.lineTension,d.tension),backgroundColor:l.backgroundColor?l.backgroundColor:s.backgroundColor||d.backgroundColor,borderWidth:l.borderWidth?l.borderWidth:s.borderWidth||d.borderWidth,borderColor:l.borderColor?l.borderColor:s.borderColor||d.borderColor,fill:l.fill?l.fill:s.fill!==void 0?s.fill:d.fill,borderCapStyle:l.borderCapStyle?l.borderCapStyle:s.borderCapStyle||d.borderCapStyle,borderDash:l.borderDash?l.borderDash:s.borderDash||d.borderDash,borderDashOffset:l.borderDashOffset?l.borderDashOffset:s.borderDashOffset||d.borderDashOffset,borderJoinStyle:l.borderJoinStyle?l.borderJoinStyle:s.borderJoinStyle||d.borderJoinStyle}});a.dataset.pivot();i.each(n,function(a,o){t.updateElement(a,o,e)},t);t.updateBezierControlPoints()},updateElement:function updateElement(e,t,a){var o=this,n=e.custom||{},l=o.getDataset(),s=o.chart.scale,d=o.chart.options.elements.point,c=s.getPointPositionForValue(t,l.data[t]);if(l.radius!==void 0&&l.pointRadius===void 0){l.pointRadius=l.radius}if(l.hitRadius!==void 0&&l.pointHitRadius===void 0){l.pointHitRadius=l.hitRadius}i.extend(e,{_datasetIndex:o.index,_index:t,_scale:s,_model:{x:a?s.xCenter:c.x,y:a?s.yCenter:c.y,tension:n.tension?n.tension:i.valueOrDefault(l.lineTension,o.chart.options.elements.line.tension),radius:n.radius?n.radius:i.valueAtIndexOrDefault(l.pointRadius,t,d.radius),backgroundColor:n.backgroundColor?n.backgroundColor:i.valueAtIndexOrDefault(l.pointBackgroundColor,t,d.backgroundColor),borderColor:n.borderColor?n.borderColor:i.valueAtIndexOrDefault(l.pointBorderColor,t,d.borderColor),borderWidth:n.borderWidth?n.borderWidth:i.valueAtIndexOrDefault(l.pointBorderWidth,t,d.borderWidth),pointStyle:n.pointStyle?n.pointStyle:i.valueAtIndexOrDefault(l.pointStyle,t,d.pointStyle),hitRadius:n.hitRadius?n.hitRadius:i.valueAtIndexOrDefault(l.pointHitRadius,t,d.hitRadius)}});e._model.skip=n.skip?n.skip:isNaN(e._model.x)||isNaN(e._model.y)},updateBezierControlPoints:function updateBezierControlPoints(){var e=this.chart.chartArea,t=this.getMeta();i.each(t.data,function(a,o){var n=a._model,l=i.splineCurve(i.previousItem(t.data,o,!0)._model,n,i.nextItem(t.data,o,!0)._model,n.tension);n.controlPointPreviousX=Math.max(Math.min(l.previous.x,e.right),e.left);n.controlPointPreviousY=Math.max(Math.min(l.previous.y,e.bottom),e.top);n.controlPointNextX=Math.max(Math.min(l.next.x,e.right),e.left);n.controlPointNextY=Math.max(Math.min(l.next.y,e.bottom),e.top);a.pivot()})},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e.custom||{},o=e._index,n=e._model;n.radius=a.hoverRadius?a.hoverRadius:i.valueAtIndexOrDefault(t.pointHoverRadius,o,this.chart.options.elements.point.hoverRadius);n.backgroundColor=a.hoverBackgroundColor?a.hoverBackgroundColor:i.valueAtIndexOrDefault(t.pointHoverBackgroundColor,o,i.getHoverColor(n.backgroundColor));n.borderColor=a.hoverBorderColor?a.hoverBorderColor:i.valueAtIndexOrDefault(t.pointHoverBorderColor,o,i.getHoverColor(n.borderColor));n.borderWidth=a.hoverBorderWidth?a.hoverBorderWidth:i.valueAtIndexOrDefault(t.pointHoverBorderWidth,o,n.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e.custom||{},o=e._index,n=e._model,l=this.chart.options.elements.point;n.radius=a.radius?a.radius:i.valueAtIndexOrDefault(t.pointRadius,o,l.radius);n.backgroundColor=a.backgroundColor?a.backgroundColor:i.valueAtIndexOrDefault(t.pointBackgroundColor,o,l.backgroundColor);n.borderColor=a.borderColor?a.borderColor:i.valueAtIndexOrDefault(t.pointBorderColor,o,l.borderColor);n.borderWidth=a.borderWidth?a.borderWidth:i.valueAtIndexOrDefault(t.pointBorderWidth,o,l.borderWidth)}})}},{25:25,40:40,45:45}],21:[function(e,t){'use strict';var a=e(25);a._set("scatter",{hover:{mode:"single"},scales:{xAxes:[{id:"x-axis-1",type:"linear",position:"bottom"}],yAxes:[{id:"y-axis-1",type:"linear",position:"left"}]},showLines:!1,tooltips:{callbacks:{title:function title(){return""},label:function label(e){return"("+e.xLabel+", "+e.yLabel+")"}}}});t.exports=function(e){e.controllers.scatter=e.controllers.line}},{25:25}],22:[function(e,t){'use strict';var a=e(25),o=e(26),n=e(45);a._set("global",{animation:{duration:1e3,easing:"easeOutQuart",onProgress:n.noop,onComplete:n.noop}});t.exports=function(e){e.Animation=o.extend({chart:null,currentStep:0,numSteps:60,easing:"",render:null,onAnimationProgress:null,onAnimationComplete:null});e.animationService={frameDuration:17,animations:[],dropFrames:0,request:null,addAnimation:function addAnimation(e,t,a,o){var n=this.animations,l,s;t.chart=e;if(!o){e.animating=!0}for(l=0,s=n.length;l<s;++l){if(n[l].chart===e){n[l]=t;return}}n.push(t);if(1===n.length){this.requestAnimationFrame()}},cancelAnimation:function cancelAnimation(e){var t=n.findIndex(this.animations,function(t){return t.chart===e});if(-1!==t){this.animations.splice(t,1);e.animating=!1}},requestAnimationFrame:function requestAnimationFrame(){var e=this;if(null===e.request){e.request=n.requestAnimFrame.call(window,function(){e.request=null;e.startDigest()})}},startDigest:function startDigest(){var e=this,t=Date.now(),a=0;if(1<e.dropFrames){a=Math.floor(e.dropFrames);e.dropFrames=e.dropFrames%1}e.advance(1+a);var o=Date.now();e.dropFrames+=(o-t)/e.frameDuration;if(0<e.animations.length){e.requestAnimationFrame()}},advance:function advance(e){var t=this.animations,a,o,l=0;while(l<t.length){a=t[l];o=a.chart;a.currentStep=(a.currentStep||0)+e;a.currentStep=Math.min(a.currentStep,a.numSteps);n.callback(a.render,[o,a],o);n.callback(a.onAnimationProgress,[a],o);if(a.currentStep>=a.numSteps){n.callback(a.onAnimationComplete,[a],o);o.animating=!1;t.splice(l,1)}else{++l}}}};Object.defineProperty(e.Animation.prototype,"animationObject",{get:function get(){return this}});Object.defineProperty(e.Animation.prototype,"chartInstance",{get:function get(){return this.chart},set:function set(e){this.chart=e}})}},{25:25,26:26,45:45}],23:[function(e,t){'use strict';var a=e(25),o=e(45),i=e(28),n=e(48);t.exports=function(e){var d=e.plugins;e.types={};e.instances={};e.controllers={};function t(e){e=e||{};var t=e.data=e.data||{};t.datasets=t.datasets||[];t.labels=t.labels||[];e.options=o.configMerge(a.global,a[e.type],e.options||{});return e}function l(e){var t=e.options;if(t.scale){e.scale.options=t.scale}else if(t.scales){t.scales.xAxes.concat(t.scales.yAxes).forEach(function(t){e.scales[t.id].options=t})}e.tooltip._options=t.tooltips}function s(e){return"top"===e||"bottom"===e}o.extend(e.prototype,{construct:function construct(a,i){var l=this;i=t(i);var s=n.acquireContext(a,i),d=s&&s.canvas,c=d&&d.height,h=d&&d.width;l.id=o.uid();l.ctx=s;l.canvas=d;l.config=i;l.width=h;l.height=c;l.aspectRatio=c?h/c:null;l.options=i.options;l._bufferedRender=!1;l.chart=l;l.controller=l;e.instances[l.id]=l;Object.defineProperty(l,"data",{get:function get(){return l.config.data},set:function set(e){l.config.data=e}});if(!s||!d){console.error("Failed to create chart: can't acquire context from the given item");return}l.initialize();l.update()},initialize:function initialize(){var e=this;d.notify(e,"beforeInit");o.retinaScale(e,e.options.devicePixelRatio);e.bindEvents();if(e.options.responsive){e.resize(!0)}e.ensureScalesHaveIDs();e.buildScales();e.initToolTip();d.notify(e,"afterInit");return e},clear:function clear(){o.canvas.clear(this);return this},stop:function stop(){e.animationService.cancelAnimation(this);return this},resize:function resize(e){var t=this,a=t.options,i=t.canvas,n=a.maintainAspectRatio&&t.aspectRatio||null,l=Math.max(0,Math.floor(o.getMaximumWidth(i))),s=Math.max(0,Math.floor(n?l/n:o.getMaximumHeight(i)));if(t.width===l&&t.height===s){return}i.width=t.width=l;i.height=t.height=s;i.style.width=l+"px";i.style.height=s+"px";o.retinaScale(t,a.devicePixelRatio);if(!e){var c={width:l,height:s};d.notify(t,"resize",[c]);if(t.options.onResize){t.options.onResize(t,c)}t.stop();t.update(t.options.responsiveAnimationDuration)}},ensureScalesHaveIDs:function ensureScalesHaveIDs(){var e=this.options,t=e.scales||{},a=e.scale;o.each(t.xAxes,function(e,t){e.id=e.id||"x-axis-"+t});o.each(t.yAxes,function(e,t){e.id=e.id||"y-axis-"+t});if(a){a.id=a.id||"scale"}},buildScales:function buildScales(){var t=this,a=t.options,i=t.scales={},n=[];if(a.scales){n=n.concat((a.scales.xAxes||[]).map(function(e){return{options:e,dtype:"category",dposition:"bottom"}}),(a.scales.yAxes||[]).map(function(e){return{options:e,dtype:"linear",dposition:"left"}}))}if(a.scale){n.push({options:a.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"})}o.each(n,function(a){var n=a.options,l=o.valueOrDefault(n.type,a.dtype),d=e.scaleService.getScaleConstructor(l);if(!d){return}if(s(n.position)!==s(a.dposition)){n.position=a.dposition}var c=new d({id:n.id,options:n,ctx:t.ctx,chart:t});i[c.id]=c;c.mergeTicksOptions();if(a.isDefault){t.scale=c}});e.scaleService.addScalesToLayout(this)},buildOrUpdateControllers:function buildOrUpdateControllers(){var t=this,a=[],i=[];o.each(t.data.datasets,function(o,n){var l=t.getDatasetMeta(n),s=o.type||t.config.type;if(l.type&&l.type!==s){t.destroyDatasetMeta(n);l=t.getDatasetMeta(n)}l.type=s;a.push(l.type);if(l.controller){l.controller.updateIndex(n)}else{var d=e.controllers[l.type];if(d===void 0){throw new Error("\""+l.type+"\" is not a chart type.")}l.controller=new d(t,n);i.push(l.controller)}},t);return i},resetElements:function resetElements(){var e=this;o.each(e.data.datasets,function(t,a){e.getDatasetMeta(a).controller.reset()},e)},reset:function reset(){this.resetElements();this.tooltip.initialize()},update:function update(e){var t=this;if(!e||"object"!==_typeof(e)){e={duration:e,lazy:arguments[1]}}l(t);if(!1===d.notify(t,"beforeUpdate")){return}t.tooltip._data=t.data;var a=t.buildOrUpdateControllers();o.each(t.data.datasets,function(e,a){t.getDatasetMeta(a).controller.buildOrUpdateElements()},t);t.updateLayout();o.each(a,function(e){e.reset()});t.updateDatasets();d.notify(t,"afterUpdate");if(t._bufferedRender){t._bufferedRequest={duration:e.duration,easing:e.easing,lazy:e.lazy}}else{t.render(e)}},updateLayout:function updateLayout(){var t=this;if(!1===d.notify(t,"beforeLayout")){return}e.layoutService.update(this,this.width,this.height);d.notify(t,"afterScaleUpdate");d.notify(t,"afterLayout")},updateDatasets:function updateDatasets(){var e=this;if(!1===d.notify(e,"beforeDatasetsUpdate")){return}for(var t=0,a=e.data.datasets.length;t<a;++t){e.updateDataset(t)}d.notify(e,"afterDatasetsUpdate")},updateDataset:function updateDataset(e){var t=this,a=t.getDatasetMeta(e),o={meta:a,index:e};if(!1===d.notify(t,"beforeDatasetUpdate",[o])){return}a.controller.update();d.notify(t,"afterDatasetUpdate",[o])},render:function render(t){var a=this;if(!t||"object"!==_typeof(t)){t={duration:t,lazy:arguments[1]}}var i=t.duration,n=t.lazy;if(!1===d.notify(a,"beforeRender")){return}var l=a.options.animation,s=function(e){d.notify(a,"afterRender");o.callback(l&&l.onComplete,[e],a)};if(l&&("undefined"!=typeof i&&0!==i||"undefined"==typeof i&&0!==l.duration)){var c=new e.Animation({numSteps:(i||l.duration)/16.66,easing:t.easing||l.easing,render:function render(e,t){var a=o.easing.effects[t.easing],i=t.currentStep,n=i/t.numSteps;e.draw(a(n),n,i)},onAnimationProgress:l.onProgress,onAnimationComplete:s});e.animationService.addAnimation(a,c,i,n)}else{a.draw();s(new e.Animation({numSteps:0,chart:a}))}return a},draw:function draw(e){var t=this;t.clear();if(o.isNullOrUndef(e)){e=1}t.transition(e);if(!1===d.notify(t,"beforeDraw",[e])){return}o.each(t.boxes,function(e){e.draw(t.chartArea)},t);if(t.scale){t.scale.draw()}t.drawDatasets(e);t.tooltip.draw();d.notify(t,"afterDraw",[e])},transition:function transition(e){for(var t=this,a=0,o=(t.data.datasets||[]).length;a<o;++a){if(t.isDatasetVisible(a)){t.getDatasetMeta(a).controller.transition(e)}}t.tooltip.transition(e)},drawDatasets:function drawDatasets(e){var t=this;if(!1===d.notify(t,"beforeDatasetsDraw",[e])){return}for(var a=(t.data.datasets||[]).length-1;0<=a;--a){if(t.isDatasetVisible(a)){t.drawDataset(a,e)}}d.notify(t,"afterDatasetsDraw",[e])},drawDataset:function drawDataset(e,t){var a=this,o=a.getDatasetMeta(e),i={meta:o,index:e,easingValue:t};if(!1===d.notify(a,"beforeDatasetDraw",[i])){return}o.controller.draw(t);d.notify(a,"afterDatasetDraw",[i])},getElementAtEvent:function getElementAtEvent(t){return i.modes.single(this,t)},getElementsAtEvent:function getElementsAtEvent(t){return i.modes.label(this,t,{intersect:!0})},getElementsAtXAxis:function getElementsAtXAxis(t){return i.modes["x-axis"](this,t,{intersect:!0})},getElementsAtEventForMode:function getElementsAtEventForMode(t,e,a){var o=i.modes[e];if("function"==typeof o){return o(this,t,a)}return[]},getDatasetAtEvent:function getDatasetAtEvent(t){return i.modes.dataset(this,t,{intersect:!0})},getDatasetMeta:function getDatasetMeta(e){var t=this,a=t.data.datasets[e];if(!a._meta){a._meta={}}var o=a._meta[t.id];if(!o){o=a._meta[t.id]={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null}}return o},getVisibleDatasetCount:function getVisibleDatasetCount(){for(var e=0,t=0,a=this.data.datasets.length;t<a;++t){if(this.isDatasetVisible(t)){e++}}return e},isDatasetVisible:function isDatasetVisible(e){var t=this.getDatasetMeta(e);return"boolean"==typeof t.hidden?!t.hidden:!this.data.datasets[e].hidden},generateLegend:function generateLegend(){return this.options.legendCallback(this)},destroyDatasetMeta:function destroyDatasetMeta(e){var t=this.id,a=this.data.datasets[e],o=a._meta&&a._meta[t];if(o){o.controller.destroy();delete a._meta[t]}},destroy:function destroy(){var 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this.getPixelForValue(this.getBaseValue())},getBaseValue:function getBaseValue(){var e=this,t=e.min,a=e.max;return e.beginAtZero?0:0>t&&0>a?a:0<t&&0<a?t:0},_autoSkip:function _autoSkip(e){var t,a=this,o=a.isHorizontal(),n=a.options.ticks.minor,s=e.length,d=l.toRadians(a.labelRotation),c=Math.cos(d),h=a.longestLabelWidth*c,u=[],m,p,f,y;if(n.maxTicksLimit){y=n.maxTicksLimit}if(o){t=!1;if((h+n.autoSkipPadding)*s>a.width-(a.paddingLeft+a.paddingRight)){t=1+Math.floor((h+n.autoSkipPadding)*s/(a.width-(a.paddingLeft+a.paddingRight)))}if(y&&s>y){t=Math.max(t,Math.floor(s/y))}}for(m=0;m<s;m++){p=e[m];f=1<t&&0<m%t||0==m%t&&m+t>=s;if(f&&m!==s-1||l.isNullOrUndef(p.label)){delete p.label}u.push(p)}return u},draw:function draw(e){var t=this,a=t.options;if(!a.display){return}var n=t.ctx,c=i.global,h=a.ticks.minor,u=a.ticks.major||h,m=a.gridLines,p=a.scaleLabel,f=0!==t.labelRotation,y=t.isHorizontal(),x=h.autoSkip?t._autoSkip(t.getTicks()):t.getTicks(),k=l.valueOrDefault(h.fontColor,c.defaultFontColor),_=s(h),v=l.valueOrDefault(u.fontColor,c.defaultFontColor),S=s(u),w=m.drawTicks?m.tickMarkLength:0,D=l.valueOrDefault(p.fontColor,c.defaultFontColor),C=s(p),P=l.options.toPadding(p.padding),T=l.toRadians(t.labelRotation),O=[],I="right"===a.position?t.left:t.right-w,A="right"===a.position?t.left+w:t.right,M="bottom"===a.position?t.top:t.bottom-w,R="bottom"===a.position?t.top+w:t.bottom;l.each(x,function(i,n){if(i.label===void 0){return}var s=i.label,d,u,p,k;if(n===t.zeroLineIndex&&a.offset===m.offsetGridLines){d=m.zeroLineWidth;u=m.zeroLineColor;p=m.zeroLineBorderDash;k=m.zeroLineBorderDashOffset}else{d=l.valueAtIndexOrDefault(m.lineWidth,n);u=l.valueAtIndexOrDefault(m.color,n);p=l.valueOrDefault(m.borderDash,c.borderDash);k=l.valueOrDefault(m.borderDashOffset,c.borderDashOffset)}var _,v,S,D,C,P,F,L,W,Y,z="middle",H="middle",B=h.padding;if(y){var E=w+B;if("bottom"===a.position){H=!f?"top":"middle";z=!f?"center":"right";Y=t.top+E}else{H=!f?"bottom":"middle";z=!f?"center":"left";Y=t.bottom-E}var V=o(t,n,m.offsetGridLines&&1<x.length);if(V<t.left){u="rgba(0,0,0,0)"}V+=l.aliasPixel(d);W=t.getPixelForTick(n)+h.labelOffset;_=S=C=F=V;v=M;D=R;P=e.top;L=e.bottom}else{var N="left"===a.position,U;if(h.mirror){z=N?"left":"right";U=B}else{z=N?"right":"left";U=w+B}W=N?t.right-U:t.left+U;var j=o(t,n,m.offsetGridLines&&1<x.length);if(j<t.top){u="rgba(0,0,0,0)"}j+=l.aliasPixel(d);Y=t.getPixelForTick(n)+h.labelOffset;_=I;S=A;C=e.left;F=e.right;v=D=P=L=j}O.push({tx1:_,ty1:v,tx2:S,ty2:D,x1:C,y1:P,x2:F,y2:L,labelX:W,labelY:Y,glWidth:d,glColor:u,glBorderDash:p,glBorderDashOffset:k,rotation:-1*T,label:s,major:i.major,textBaseline:H,textAlign:z})});l.each(O,function(e){if(m.display){n.save();n.lineWidth=e.glWidth;n.strokeStyle=e.glColor;if(n.setLineDash){n.setLineDash(e.glBorderDash);n.lineDashOffset=e.glBorderDashOffset}n.beginPath();if(m.drawTicks){n.moveTo(e.tx1,e.ty1);n.lineTo(e.tx2,e.ty2)}if(m.drawOnChartArea){n.moveTo(e.x1,e.y1);n.lineTo(e.x2,e.y2)}n.stroke();n.restore()}if(h.display){n.save();n.translate(e.labelX,e.labelY);n.rotate(e.rotation);n.font=e.major?S.font:_.font;n.fillStyle=e.major?v:k;n.textBaseline=e.textBaseline;n.textAlign=e.textAlign;var t=e.label;if(l.isArray(t)){for(var a=0,o=0;a<t.length;++a){n.fillText(""+t[a],0,o);o+=1.5*_.size}}else{n.fillText(t,0,0)}n.restore()}});if(p.display){var F,L,W=0,Y=d(p)/2;if(y){F=t.left+(t.right-t.left)/2;L="bottom"===a.position?t.bottom-Y-P.bottom:t.top+Y+P.top}else{var z="left"===a.position;F=z?t.left+Y+P.top:t.right-Y-P.top;L=t.top+(t.bottom-t.top)/2;W=z?-.5*Math.PI:.5*Math.PI}n.save();n.translate(F,L);n.rotate(W);n.textAlign="center";n.textBaseline="middle";n.fillStyle=D;n.font=C.font;n.fillText(p.labelString,0,0);n.restore()}if(m.drawBorder){n.lineWidth=l.valueAtIndexOrDefault(m.lineWidth,0);n.strokeStyle=l.valueAtIndexOrDefault(m.color,0);var H=t.left,B=t.right,E=t.top,V=t.bottom,N=l.aliasPixel(n.lineWidth);if(y){E=V="top"===a.position?t.bottom:t.top;E+=N;V+=N}else{H=B="left"===a.position?t.right:t.left;H+=N;B+=N}n.beginPath();n.moveTo(H,E);n.lineTo(B,V);n.stroke()}}})}},{25:25,26:26,34:34,45:45}],33:[function(e,t){'use strict';var a=e(25),o=e(45);t.exports=function(e){e.scaleService={constructors:{},defaults:{},registerScaleType:function registerScaleType(e,t,a){this.constructors[e]=t;this.defaults[e]=o.clone(a)},getScaleConstructor:function getScaleConstructor(e){return this.constructors.hasOwnProperty(e)?this.constructors[e]:void 0},getScaleDefaults:function getScaleDefaults(e){return this.defaults.hasOwnProperty(e)?o.merge({},[a.scale,this.defaults[e]]):{}},updateScaleDefaults:function updateScaleDefaults(e,t){var a=this;if(a.defaults.hasOwnProperty(e)){a.defaults[e]=o.extend(a.defaults[e],t)}},addScalesToLayout:function addScalesToLayout(t){o.each(t.scales,function(a){a.fullWidth=a.options.fullWidth;a.position=a.options.position;a.weight=a.options.weight;e.layoutService.addBox(t,a)})}}}},{25:25,45:45}],34:[function(e,t){'use strict';var a=e(45);t.exports={generators:{linear:function linear(e,t){var o=[],i;if(e.stepSize&&0<e.stepSize){i=e.stepSize}else{var n=a.niceNum(t.max-t.min,!1);i=a.niceNum(n/(e.maxTicks-1),!0)}var l=Math.floor(t.min/i)*i,s=Math.ceil(t.max/i)*i;if(e.min&&e.max&&e.stepSize){if(a.almostWhole((e.max-e.min)/e.stepSize,i/1e3)){l=e.min;s=e.max}}var d=(s-l)/i;if(a.almostEquals(d,Math.round(d),i/1e3)){d=Math.round(d)}else{d=Math.ceil(d)}o.push(e.min!==void 0?e.min:l);for(var c=1;c<d;++c){o.push(l+c*i)}o.push(e.max!==void 0?e.max:s);return o},logarithmic:function logarithmic(e,t){var o=[],i=a.valueOrDefault,n=i(e.min,Math.pow(10,Math.floor(a.log10(t.min)))),l=Math.floor(a.log10(t.max)),s=Math.ceil(t.max/Math.pow(10,l)),d,c;if(0===n){d=Math.floor(a.log10(t.minNotZero));c=Math.floor(t.minNotZero/Math.pow(10,d));o.push(n);n=c*Math.pow(10,d)}else{d=Math.floor(a.log10(n));c=Math.floor(n/Math.pow(10,d))}do{o.push(n);++c;if(10===c){c=1;++d}n=c*Math.pow(10,d)}while(d<l||d===l&&c<s);var h=i(e.max,n);o.push(h);return o}},formatters:{values:function values(e){return a.isArray(e)?e:""+e},linear:function linear(e,t,o){var i=3<o.length?o[2]-o[1]:o[1]-o[0];if(1<Math.abs(i)){if(e!==Math.floor(e)){i=e-Math.floor(e)}}var n=a.log10(Math.abs(i)),l="";if(0!==e){var s=-1*Math.floor(n);s=Math.max(Math.min(s,20),0);l=e.toFixed(s)}else{l="0"}return l},logarithmic:function logarithmic(e,t,o){var i=e/Math.pow(10,Math.floor(a.log10(e)));if(0===e){return"0"}else if(1===i||2===i||5===i||0===t||t===o.length-1){return e.toExponential()}return""}}}},{45:45}],35:[function(e,t){'use strict';var a=e(25),o=e(26),n=e(45);a._set("global",{tooltips:{enabled:!0,custom:null,mode:"nearest",position:"average",intersect:!0,backgroundColor:"rgba(0,0,0,0.8)",titleFontStyle:"bold",titleSpacing:2,titleMarginBottom:6,titleFontColor:"#fff",titleAlign:"left",bodySpacing:2,bodyFontColor:"#fff",bodyAlign:"left",footerFontStyle:"bold",footerSpacing:2,footerMarginTop:6,footerFontColor:"#fff",footerAlign:"left",yPadding:6,xPadding:6,caretPadding:2,caretSize:5,cornerRadius:6,multiKeyBackground:"#fff",displayColors:!0,borderColor:"rgba(0,0,0,0)",borderWidth:0,callbacks:{beforeTitle:n.noop,title:function(e,t){var a="",o=t.labels,i=o?o.length:0;if(0<e.length){var n=e[0];if(n.xLabel){a=n.xLabel}else if(0<i&&n.index<i){a=o[n.index]}}return a},afterTitle:n.noop,beforeBody:n.noop,beforeLabel:n.noop,label:function(e,t){var a=t.datasets[e.datasetIndex].label||"";if(a){a+=": "}a+=e.yLabel;return a},labelColor:function labelColor(e,t){var a=t.getDatasetMeta(e.datasetIndex),o=a.data[e.index],i=o._view;return{borderColor:i.borderColor,backgroundColor:i.backgroundColor}},labelTextColor:function labelTextColor(){return this._options.bodyFontColor},afterLabel:n.noop,afterBody:n.noop,beforeFooter:n.noop,footer:n.noop,afterFooter:n.noop}}});t.exports=function(e){function t(e,t){var a=n.color(e);return a.alpha(t*a.alpha()).rgbaString()}function i(e,t){if(t){if(n.isArray(t)){Array.prototype.push.apply(e,t)}else{e.push(t)}}return e}function l(e){var t=e._xScale,a=e._yScale||e._scale,o=e._index,i=e._datasetIndex;return{xLabel:t?t.getLabelForIndex(o,i):"",yLabel:a?a.getLabelForIndex(o,i):"",index:o,datasetIndex:i,x:e._model.x,y:e._model.y}}function s(e){var t=a.global,o=n.valueOrDefault;return{xPadding:e.xPadding,yPadding:e.yPadding,xAlign:e.xAlign,yAlign:e.yAlign,bodyFontColor:e.bodyFontColor,_bodyFontFamily:o(e.bodyFontFamily,t.defaultFontFamily),_bodyFontStyle:o(e.bodyFontStyle,t.defaultFontStyle),_bodyAlign:e.bodyAlign,bodyFontSize:o(e.bodyFontSize,t.defaultFontSize),bodySpacing:e.bodySpacing,titleFontColor:e.titleFontColor,_titleFontFamily:o(e.titleFontFamily,t.defaultFontFamily),_titleFontStyle:o(e.titleFontStyle,t.defaultFontStyle),titleFontSize:o(e.titleFontSize,t.defaultFontSize),_titleAlign:e.titleAlign,titleSpacing:e.titleSpacing,titleMarginBottom:e.titleMarginBottom,footerFontColor:e.footerFontColor,_footerFontFamily:o(e.footerFontFamily,t.defaultFontFamily),_footerFontStyle:o(e.footerFontStyle,t.defaultFontStyle),footerFontSize:o(e.footerFontSize,t.defaultFontSize),_footerAlign:e.footerAlign,footerSpacing:e.footerSpacing,footerMarginTop:e.footerMarginTop,caretSize:e.caretSize,cornerRadius:e.cornerRadius,backgroundColor:e.backgroundColor,opacity:0,legendColorBackground:e.multiKeyBackground,displayColors:e.displayColors,borderColor:e.borderColor,borderWidth:e.borderWidth}}function d(e,t){var a=e._chart.ctx,o=2*t.yPadding,i=0,l=t.body,s=l.reduce(function(e,t){return e+t.before.length+t.lines.length+t.after.length},0);s+=t.beforeBody.length+t.afterBody.length;var d=t.title.length,c=t.footer.length,h=t.titleFontSize,u=t.bodyFontSize,m=t.footerFontSize;o+=d*h;o+=d?(d-1)*t.titleSpacing:0;o+=d?t.titleMarginBottom:0;o+=s*u;o+=s?(s-1)*t.bodySpacing:0;o+=c?t.footerMarginTop:0;o+=c*m;o+=c?(c-1)*t.footerSpacing:0;var p=0,f=function(e){i=Math.max(i,a.measureText(e).width+p)};a.font=n.fontString(h,t._titleFontStyle,t._titleFontFamily);n.each(t.title,f);a.font=n.fontString(u,t._bodyFontStyle,t._bodyFontFamily);n.each(t.beforeBody.concat(t.afterBody),f);p=t.displayColors?u+2:0;n.each(l,function(e){n.each(e.before,f);n.each(e.lines,f);n.each(e.after,f)});p=0;a.font=n.fontString(m,t._footerFontStyle,t._footerFontFamily);n.each(t.footer,f);i+=2*t.xPadding;return{width:i,height:o}}function c(e,t){var a=e._model,o=e._chart,i=e._chart.chartArea,n="center",l="center";if(a.y<t.height){l="top"}else if(a.y>o.height-t.height){l="bottom"}var s,d,c,h,u,m=(i.left+i.right)/2,p=(i.top+i.bottom)/2;if("center"===l){s=function(e){return e<=m};d=function(e){return e>m}}else{s=function(e){return e<=t.width/2};d=function(e){return e>=o.width-t.width/2}}c=function(e){return e+t.width>o.width};h=function(e){return 0>e-t.width};u=function(e){return e<=p?"top":"bottom"};if(s(a.x)){n="left";if(c(a.x)){n="center";l=u(a.y)}}else if(d(a.x)){n="right";if(h(a.x)){n="center";l=u(a.y)}}var f=e._options;return{xAlign:f.xAlign?f.xAlign:n,yAlign:f.yAlign?f.yAlign:l}}function h(e,t,a){var o=e.x,i=e.y,n=e.caretSize,l=e.caretPadding,s=e.cornerRadius,d=a.xAlign,c=a.yAlign,h=n+l,u=s+l;if("right"===d){o-=t.width}else if("center"===d){o-=t.width/2}if("top"===c){i+=h}else if("bottom"===c){i-=t.height+h}else{i-=t.height/2}if("center"===c){if("left"===d){o+=h}else if("right"===d){o-=h}}else if("left"===d){o-=u}else if("right"===d){o+=u}return{x:o,y:i}}e.Tooltip=o.extend({initialize:function initialize(){this._model=s(this._options)},getTitle:function getTitle(){var e=this,t=e._options,a=t.callbacks,o=a.beforeTitle.apply(e,arguments),n=a.title.apply(e,arguments),l=a.afterTitle.apply(e,arguments),s=[];s=i(s,o);s=i(s,n);s=i(s,l);return s},getBeforeBody:function getBeforeBody(){var e=this._options.callbacks.beforeBody.apply(this,arguments);return n.isArray(e)?e:e!==void 0?[e]:[]},getBody:function getBody(e,t){var a=this,o=a._options.callbacks,l=[];n.each(e,function(e){var n={before:[],lines:[],after:[]};i(n.before,o.beforeLabel.call(a,e,t));i(n.lines,o.label.call(a,e,t));i(n.after,o.afterLabel.call(a,e,t));l.push(n)});return l},getAfterBody:function getAfterBody(){var e=this._options.callbacks.afterBody.apply(this,arguments);return n.isArray(e)?e:e!==void 0?[e]:[]},getFooter:function getFooter(){var e=this,t=e._options.callbacks,a=t.beforeFooter.apply(e,arguments),o=t.footer.apply(e,arguments),n=t.afterFooter.apply(e,arguments),l=[];l=i(l,a);l=i(l,o);l=i(l,n);return l},update:function update(t){var a=this,o=a._options,u=a._model,m=a._model=s(o),p=a._active,f=a._data,y={xAlign:u.xAlign,yAlign:u.yAlign},x={x:u.x,y:u.y},k={width:u.width,height:u.height},_={x:u.caretX,y:u.caretY},v,S;if(p.length){m.opacity=1;var w=[],D=[];_=e.Tooltip.positioners[o.position](p,a._eventPosition);var C=[];for(v=0,S=p.length;v<S;++v){C.push(l(p[v]))}if(o.filter){C=C.filter(function(e){return o.filter(e,f)})}if(o.itemSort){C=C.sort(function(e,t){return o.itemSort(e,t,f)})}n.each(C,function(e){w.push(o.callbacks.labelColor.call(a,e,a._chart));D.push(o.callbacks.labelTextColor.call(a,e,a._chart))});m.title=a.getTitle(C,f);m.beforeBody=a.getBeforeBody(C,f);m.body=a.getBody(C,f);m.afterBody=a.getAfterBody(C,f);m.footer=a.getFooter(C,f);m.x=Math.round(_.x);m.y=Math.round(_.y);m.caretPadding=o.caretPadding;m.labelColors=w;m.labelTextColors=D;m.dataPoints=C;k=d(this,m);y=c(this,k);x=h(m,k,y)}else{m.opacity=0}m.xAlign=y.xAlign;m.yAlign=y.yAlign;m.x=x.x;m.y=x.y;m.width=k.width;m.height=k.height;m.caretX=_.x;m.caretY=_.y;a._model=m;if(t&&o.custom){o.custom.call(a,m)}return a},drawCaret:function drawCaret(e,t){var a=this._chart.ctx,o=this._view,i=this.getCaretPosition(e,t,o);a.lineTo(i.x1,i.y1);a.lineTo(i.x2,i.y2);a.lineTo(i.x3,i.y3)},getCaretPosition:function getCaretPosition(e,t,a){var o,i,n,l,s,d,c=a.caretSize,h=a.cornerRadius,u=a.xAlign,m=a.yAlign,p=e.x,f=e.y,y=t.width,x=t.height;if("center"===m){s=f+x/2;if("left"===u){o=p;i=o-c;n=o;l=s+c;d=s-c}else{o=p+y;i=o+c;n=o;l=s-c;d=s+c}}else{if("left"===u){i=p+h+c;o=i-c;n=i+c}else if("right"===u){i=p+y-h-c;o=i-c;n=i+c}else{i=p+y/2;o=i-c;n=i+c}if("top"===m){l=f;s=l-c;d=l}else{l=f+x;s=l+c;d=l;var k=n;n=o;o=k}}return{x1:o,x2:i,x3:n,y1:l,y2:s,y3:d}},drawTitle:function drawTitle(e,a,o,l){var s=a.title;if(s.length){o.textAlign=a._titleAlign;o.textBaseline="top";var d=a.titleFontSize,c=a.titleSpacing;o.fillStyle=t(a.titleFontColor,l);o.font=n.fontString(d,a._titleFontStyle,a._titleFontFamily);var h,u;for(h=0,u=s.length;h<u;++h){o.fillText(s[h],e.x,e.y);e.y+=d+c;if(h+1===s.length){e.y+=a.titleMarginBottom-c}}}},drawBody:function drawBody(e,a,o,l){var s=a.bodyFontSize,d=a.bodySpacing,c=a.body;o.textAlign=a._bodyAlign;o.textBaseline="top";o.font=n.fontString(s,a._bodyFontStyle,a._bodyFontFamily);var h=0,u=function(t){o.fillText(t,e.x+h,e.y);e.y+=s+d};n.each(a.beforeBody,u);var m=a.displayColors;h=m?s+2:0;n.each(c,function(d,c){n.each(d.before,u);n.each(d.lines,function(i){if(m){o.fillStyle=t(a.legendColorBackground,l);o.fillRect(e.x,e.y,s,s);o.lineWidth=1;o.strokeStyle=t(a.labelColors[c].borderColor,l);o.strokeRect(e.x,e.y,s,s);o.fillStyle=t(a.labelColors[c].backgroundColor,l);o.fillRect(e.x+1,e.y+1,s-2,s-2);var n=t(a.labelTextColors[c],l);o.fillStyle=n}u(i)});n.each(d.after,u)});h=0;n.each(a.afterBody,u);e.y-=d},drawFooter:function drawFooter(e,a,o,i){var l=a.footer;if(l.length){e.y+=a.footerMarginTop;o.textAlign=a._footerAlign;o.textBaseline="top";o.fillStyle=t(a.footerFontColor,i);o.font=n.fontString(a.footerFontSize,a._footerFontStyle,a._footerFontFamily);n.each(l,function(t){o.fillText(t,e.x,e.y);e.y+=a.footerFontSize+a.footerSpacing})}},drawBackground:function drawBackground(e,a,o,i,n){o.fillStyle=t(a.backgroundColor,n);o.strokeStyle=t(a.borderColor,n);o.lineWidth=a.borderWidth;var l=a.xAlign,s=a.yAlign,d=e.x,c=e.y,h=i.width,u=i.height,m=a.cornerRadius;o.beginPath();o.moveTo(d+m,c);if("top"===s){this.drawCaret(e,i)}o.lineTo(d+h-m,c);o.quadraticCurveTo(d+h,c,d+h,c+m);if("center"===s&&"right"===l){this.drawCaret(e,i)}o.lineTo(d+h,c+u-m);o.quadraticCurveTo(d+h,c+u,d+h-m,c+u);if("bottom"===s){this.drawCaret(e,i)}o.lineTo(d+m,c+u);o.quadraticCurveTo(d,c+u,d,c+u-m);if("center"===s&&"left"===l){this.drawCaret(e,i)}o.lineTo(d,c+m);o.quadraticCurveTo(d,c,d+m,c);o.closePath();o.fill();if(0<a.borderWidth){o.stroke()}},draw:function draw(){var e=this._chart.ctx,t=this._view;if(0===t.opacity){return}var a={width:t.width,height:t.height},o={x:t.x,y:t.y},i=Math.abs(1e-3>t.opacity)?0:t.opacity,n=t.title.length||t.beforeBody.length||t.body.length||t.afterBody.length||t.footer.length;if(this._options.enabled&&n){this.drawBackground(o,t,e,a,i);o.x+=t.xPadding;o.y+=t.yPadding;this.drawTitle(o,t,e,i);this.drawBody(o,t,e,i);this.drawFooter(o,t,e,i)}},handleEvent:function handleEvent(t){var e=this,a=e._options,o=!1;e._lastActive=e._lastActive||[];if("mouseout"===t.type){e._active=[]}else{e._active=e._chart.getElementsAtEventForMode(t,a.mode,a)}o=!n.arrayEquals(e._active,e._lastActive);if(!o){return!1}e._lastActive=e._active;if(a.enabled||a.custom){e._eventPosition={x:t.x,y:t.y};var i=e._model;e.update(!0);e.pivot();o|=i.x!==e._model.x||i.y!==e._model.y}return o}});e.Tooltip.positioners={average:function average(e){if(!e.length){return!1}var t,a,o=0,n=0,l=0;for(t=0,a=e.length;t<a;++t){var s=e[t];if(s&&s.hasValue()){var d=s.tooltipPosition();o+=d.x;n+=d.y;++l}}return{x:Math.round(o/l),y:Math.round(n/l)}},nearest:function nearest(e,t){var a=t.x,o=t.y,l=Number.POSITIVE_INFINITY,s,c,h;for(s=0,c=e.length;s<c;++s){var u=e[s];if(u&&u.hasValue()){var m=u.getCenterPoint(),p=n.distanceBetweenPoints(t,m);if(p<l){l=p;h=u}}}if(h){var d=h.tooltipPosition();a=d.x;o=d.y}return{x:a,y:o}}}}},{25:25,26:26,45:45}],36:[function(e,t){'use strict';var a=e(25),o=e(26),i=e(45);a._set("global",{elements:{arc:{backgroundColor:a.global.defaultColor,borderColor:"#fff",borderWidth:2}}});t.exports=o.extend({inLabelRange:function inLabelRange(e){var t=this._view;if(t){return Math.pow(e-t.x,2)<Math.pow(t.radius+t.hoverRadius,2)}return!1},inRange:function inRange(e,t){var a=this._view;if(a){var o=i.getAngleFromPoint(a,{x:e,y:t}),n=o.angle,l=o.distance,s=a.startAngle,d=a.endAngle;while(d<s){d+=2*Math.PI}while(n>d){n-=2*Math.PI}while(n<s){n+=2*Math.PI}var c=n>=s&&n<=d,h=l>=a.innerRadius&&l<=a.outerRadius;return c&&h}return!1},getCenterPoint:function getCenterPoint(){var e=this._view,t=(e.startAngle+e.endAngle)/2,a=(e.innerRadius+e.outerRadius)/2;return{x:e.x+Math.cos(t)*a,y:e.y+Math.sin(t)*a}},getArea:function getArea(){var e=this._view;return Math.PI*((e.endAngle-e.startAngle)/(2*Math.PI))*(Math.pow(e.outerRadius,2)-Math.pow(e.innerRadius,2))},tooltipPosition:function tooltipPosition(){var e=this._view,t=e.startAngle+(e.endAngle-e.startAngle)/2,a=(e.outerRadius-e.innerRadius)/2+e.innerRadius;return{x:e.x+Math.cos(t)*a,y:e.y+Math.sin(t)*a}},draw:function draw(){var e=this._chart.ctx,t=this._view,a=t.startAngle,o=t.endAngle;e.beginPath();e.arc(t.x,t.y,t.outerRadius,a,o);e.arc(t.x,t.y,t.innerRadius,o,a,!0);e.closePath();e.strokeStyle=t.borderColor;e.lineWidth=t.borderWidth;e.fillStyle=t.backgroundColor;e.fill();e.lineJoin="bevel";if(t.borderWidth){e.stroke()}}})},{25:25,26:26,45:45}],37:[function(e,t){'use strict';var a=e(25),o=e(26),i=e(45),n=a.global;a._set("global",{elements:{line:{tension:.4,backgroundColor:n.defaultColor,borderWidth:3,borderColor:n.defaultColor,borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",capBezierPoints:!0,fill:!0}}});t.exports=o.extend({draw:function draw(){var e=this,t=e._view,a=e._chart.ctx,o=t.spanGaps,l=e._children.slice(),s=n.elements.line,d=-1,c,h,u,m;if(e._loop&&l.length){l.push(l[0])}a.save();a.lineCap=t.borderCapStyle||s.borderCapStyle;if(a.setLineDash){a.setLineDash(t.borderDash||s.borderDash)}a.lineDashOffset=t.borderDashOffset||s.borderDashOffset;a.lineJoin=t.borderJoinStyle||s.borderJoinStyle;a.lineWidth=t.borderWidth||s.borderWidth;a.strokeStyle=t.borderColor||n.defaultColor;a.beginPath();d=-1;for(c=0;c<l.length;++c){h=l[c];u=i.previousItem(l,c);m=h._view;if(0===c){if(!m.skip){a.moveTo(m.x,m.y);d=c}}else{u=-1===d?u:l[d];if(!m.skip){if(d!==c-1&&!o||-1===d){a.moveTo(m.x,m.y)}else{i.canvas.lineTo(a,u._view,h._view)}d=c}}}a.stroke();a.restore()}})},{25:25,26:26,45:45}],38:[function(e,t){'use strict';var o=e(25),i=e(26),n=e(45),l=o.global.defaultColor;o._set("global",{elements:{point:{radius:3,pointStyle:"circle",backgroundColor:l,borderColor:l,borderWidth:1,hitRadius:1,hoverRadius:4,hoverBorderWidth:1}}});function a(e){var t=this._view;return t?Math.pow(e-t.x,2)<Math.pow(t.radius+t.hitRadius,2):!1}t.exports=i.extend({inRange:function inRange(e,t){var a=this._view;return a?Math.pow(e-a.x,2)+Math.pow(t-a.y,2)<Math.pow(a.hitRadius+a.radius,2):!1},inLabelRange:a,inXRange:a,inYRange:function(e){var t=this._view;return t?Math.pow(e-t.y,2)<Math.pow(t.radius+t.hitRadius,2):!1},getCenterPoint:function getCenterPoint(){var e=this._view;return{x:e.x,y:e.y}},getArea:function getArea(){return Math.PI*Math.pow(this._view.radius,2)},tooltipPosition:function tooltipPosition(){var e=this._view;return{x:e.x,y:e.y,padding:e.radius+e.borderWidth}},draw:function draw(e){var t=this._view,a=this._model,i=this._chart.ctx,s=t.pointStyle,d=t.radius,c=t.x,h=t.y,u=n.color,m=1.01,p=0;if(t.skip){return}i.strokeStyle=t.borderColor||l;i.lineWidth=n.valueOrDefault(t.borderWidth,o.global.elements.point.borderWidth);i.fillStyle=t.backgroundColor||l;if(e!==void 0&&(a.x<e.left||e.right*m<a.x||a.y<e.top||e.bottom*m<a.y)){if(a.x<e.left){p=(c-a.x)/(e.left-a.x)}else if(e.right*m<a.x){p=(a.x-c)/(a.x-e.right)}else if(a.y<e.top){p=(h-a.y)/(e.top-a.y)}else if(e.bottom*m<a.y){p=(a.y-h)/(a.y-e.bottom)}p=Math.round(100*p)/100;i.strokeStyle=u(i.strokeStyle).alpha(p).rgbString();i.fillStyle=u(i.fillStyle).alpha(p).rgbString()}n.canvas.drawPoint(i,s,d,c,h)}})},{25:25,26:26,45:45}],39:[function(e,t){'use strict';var i=e(25),n=e(26);i._set("global",{elements:{rectangle:{backgroundColor:i.global.defaultColor,borderColor:i.global.defaultColor,borderSkipped:"bottom",borderWidth:0}}});function a(e){return e._view.width!==void 0}function o(e){var t=e._view,o,i,n,l;if(a(e)){var s=t.width/2;o=t.x-s;i=t.x+s;n=Math.min(t.y,t.base);l=Math.max(t.y,t.base)}else{var d=t.height/2;o=Math.min(t.x,t.base);i=Math.max(t.x,t.base);n=t.y-d;l=t.y+d}return{left:o,top:n,right:i,bottom:l}}t.exports=n.extend({draw:function draw(){var t=this._chart.ctx,a=this._view,o,n,l,s,d,c,h,u=a.borderWidth;if(!a.horizontal){o=a.x-a.width/2;n=a.x+a.width/2;l=a.y;s=a.base;d=1;c=s>l?1:-1;h=a.borderSkipped||"bottom"}else{o=a.base;n=a.x;l=a.y-a.height/2;s=a.y+a.height/2;d=n>o?1:-1;c=1;h=a.borderSkipped||"left"}if(u){var m=Math.min(Math.abs(o-n),Math.abs(l-s));u=u>m?m:u;var p=u/2,f=o+("left"!==h?p*d:0),y=n+("right"!==h?-p*d:0),x=l+("top"!==h?p*c:0),k=s+("bottom"!==h?-p*c:0);if(f!==y){l=x;s=k}if(x!==k){o=f;n=y}}t.beginPath();t.fillStyle=a.backgroundColor;t.strokeStyle=a.borderColor;t.lineWidth=u;var _=[[o,s],[o,l],[n,l],[n,s]],v=["bottom","left","top","right"].indexOf(h,0);if(-1===v){v=0}function e(e){return _[(v+e)%4]}var S=e(0);t.moveTo(S[0],S[1]);for(var w=1;4>w;w++){S=e(w);t.lineTo(S[0],S[1])}t.fill();if(u){t.stroke()}},height:function height(){var e=this._view;return e.base-e.y},inRange:function(e,t){var a=!1;if(this._view){var i=o(this);a=e>=i.left&&e<=i.right&&t>=i.top&&t<=i.bottom}return a},inLabelRange:function inLabelRange(e,t){var i=this;if(!i._view){return!1}var n=!1,l=o(i);if(a(i)){n=e>=l.left&&e<=l.right}else{n=t>=l.top&&t<=l.bottom}return n},inXRange:function inXRange(e){var t=o(this);return e>=t.left&&e<=t.right},inYRange:function inYRange(e){var t=o(this);return e>=t.top&&e<=t.bottom},getCenterPoint:function getCenterPoint(){var e=this._view,t,o;if(a(this)){t=e.x;o=(e.y+e.base)/2}else{t=(e.x+e.base)/2;o=e.y}return{x:t,y:o}},getArea:function getArea(){var e=this._view;return e.width*Math.abs(e.y-e.base)},tooltipPosition:function tooltipPosition(){var e=this._view;return{x:e.x,y:e.y}}})},{25:25,26:26}],40:[function(e,t){'use strict';t.exports={};t.exports.Arc=e(36);t.exports.Line=e(37);t.exports.Point=e(38);t.exports.Rectangle=e(39)},{36:36,37:37,38:38,39:39}],41:[function(e,t,a){'use strict';var o=e(42),a=t.exports={clear:function clear(e){e.ctx.clearRect(0,0,e.width,e.height)},roundedRect:function roundedRect(e,t,a,o,i,n){if(n){var l=Math.min(n,o/2),s=Math.min(n,i/2);e.moveTo(t+l,a);e.lineTo(t+o-l,a);e.quadraticCurveTo(t+o,a,t+o,a+s);e.lineTo(t+o,a+i-s);e.quadraticCurveTo(t+o,a+i,t+o-l,a+i);e.lineTo(t+l,a+i);e.quadraticCurveTo(t,a+i,t,a+i-s);e.lineTo(t,a+s);e.quadraticCurveTo(t,a,t+l,a)}else{e.rect(t,a,o,i)}},drawPoint:function drawPoint(e,t,a,o,i){var n,l,s,d,c,h;if("object"===_typeof(t)){n=t.toString();if("[object HTMLImageElement]"===n||"[object HTMLCanvasElement]"===n){e.drawImage(t,o-t.width/2,i-t.height/2,t.width,t.height);return}}if(isNaN(a)||0>=a){return}switch(t){default:e.beginPath();e.arc(o,i,a,0,2*Math.PI);e.closePath();e.fill();break;case"triangle":e.beginPath();l=3*a/Math.sqrt(3);c=l*Math.sqrt(3)/2;e.moveTo(o-l/2,i+c/3);e.lineTo(o+l/2,i+c/3);e.lineTo(o,i-2*c/3);e.closePath();e.fill();break;case"rect":h=1/Math.SQRT2*a;e.beginPath();e.fillRect(o-h,i-h,2*h,2*h);e.strokeRect(o-h,i-h,2*h,2*h);break;case"rectRounded":var u=a/Math.SQRT2,m=Math.SQRT2*a;e.beginPath();this.roundedRect(e,o-u,i-u,m,m,a/2);e.closePath();e.fill();break;case"rectRot":h=1/Math.SQRT2*a;e.beginPath();e.moveTo(o-h,i);e.lineTo(o,i+h);e.lineTo(o+h,i);e.lineTo(o,i-h);e.closePath();e.fill();break;case"cross":e.beginPath();e.moveTo(o,i+a);e.lineTo(o,i-a);e.moveTo(o-a,i);e.lineTo(o+a,i);e.closePath();break;case"crossRot":e.beginPath();s=Math.cos(Math.PI/4)*a;d=Math.sin(Math.PI/4)*a;e.moveTo(o-s,i-d);e.lineTo(o+s,i+d);e.moveTo(o-s,i+d);e.lineTo(o+s,i-d);e.closePath();break;case"star":e.beginPath();e.moveTo(o,i+a);e.lineTo(o,i-a);e.moveTo(o-a,i);e.lineTo(o+a,i);s=Math.cos(Math.PI/4)*a;d=Math.sin(Math.PI/4)*a;e.moveTo(o-s,i-d);e.lineTo(o+s,i+d);e.moveTo(o-s,i+d);e.lineTo(o+s,i-d);e.closePath();break;case"line":e.beginPath();e.moveTo(o-a,i);e.lineTo(o+a,i);e.closePath();break;case"dash":e.beginPath();e.moveTo(o,i);e.lineTo(o+a,i);e.closePath();break;}e.stroke()},clipArea:function 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n.isArray(t.datasets)?t.datasets.map(function(t,a){return{text:t.label,fillStyle:!n.isArray(t.backgroundColor)?t.backgroundColor:t.backgroundColor[0],hidden:!e.isDatasetVisible(a),lineCap:t.borderCapStyle,lineDash:t.borderDash,lineDashOffset:t.borderDashOffset,lineJoin:t.borderJoinStyle,lineWidth:t.borderWidth,strokeStyle:t.borderColor,pointStyle:t.pointStyle,datasetIndex:a}},this):[]}}},legendCallback:function legendCallback(e){for(var t=["<ul class=\""+e.id+"-legend\">"],a=0;a<e.data.datasets.length;a++){t.push("<li><span style=\"background-color:"+e.data.datasets[a].backgroundColor+"\"></span>");if(e.data.datasets[a].label){t.push(e.data.datasets[a].label)}t.push("</li>")}t.push("</ul>");return t.join("")}});t.exports=function(e){var l=e.layoutService,s=n.noop;function t(e,t){return e.usePointStyle?t*Math.SQRT2:e.boxWidth}e.Legend=o.extend({initialize:function initialize(e){n.extend(this,e);this.legendHitBoxes=[];this.doughnutMode=!1},beforeUpdate:s,update:function update(e,t,a){var o=this;o.beforeUpdate();o.maxWidth=e;o.maxHeight=t;o.margins=a;o.beforeSetDimensions();o.setDimensions();o.afterSetDimensions();o.beforeBuildLabels();o.buildLabels();o.afterBuildLabels();o.beforeFit();o.fit();o.afterFit();o.afterUpdate();return o.minSize},afterUpdate:s,beforeSetDimensions:s,setDimensions:function setDimensions(){var e=this;if(e.isHorizontal()){e.width=e.maxWidth;e.left=0;e.right=e.width}else{e.height=e.maxHeight;e.top=0;e.bottom=e.height}e.paddingLeft=0;e.paddingTop=0;e.paddingRight=0;e.paddingBottom=0;e.minSize={width:0,height:0}},afterSetDimensions:s,beforeBuildLabels:s,buildLabels:function buildLabels(){var e=this,t=e.options.labels||{},a=n.callback(t.generateLabels,[e.chart],e)||[];if(t.filter){a=a.filter(function(a){return t.filter(a,e.chart.data)})}if(e.options.reverse){a.reverse()}e.legendItems=a},afterBuildLabels:s,beforeFit:s,fit:function fit(){var e=this,o=e.options,l=o.labels,s=o.display,d=e.ctx,c=a.global,h=n.valueOrDefault,u=h(l.fontSize,c.defaultFontSize),m=h(l.fontStyle,c.defaultFontStyle),p=h(l.fontFamily,c.defaultFontFamily),f=n.fontString(u,m,p),y=e.legendHitBoxes=[],x=e.minSize,k=e.isHorizontal();if(k){x.width=e.maxWidth;x.height=s?10:0}else{x.width=s?10:0;x.height=e.maxHeight}if(s){d.font=f;if(k){var _=e.lineWidths=[0],v=e.legendItems.length?u+l.padding:0;d.textAlign="left";d.textBaseline="top";n.each(e.legendItems,function(a,o){var i=t(l,u),n=i+u/2+d.measureText(a.text).width;if(_[_.length-1]+n+l.padding>=e.width){v+=u+l.padding;_[_.length]=e.left}y[o]={left:0,top:0,width:n,height:u};_[_.length-1]+=n+l.padding});x.height+=v}else{var S=l.padding,w=e.columnWidths=[],D=l.padding,C=0,P=0,T=u+S;n.each(e.legendItems,function(e,a){var o=t(l,u),i=o+u/2+d.measureText(e.text).width;if(P+T>x.height){D+=C+l.padding;w.push(C);C=0;P=0}C=Math.max(C,i);P+=T;y[a]={left:0,top:0,width:i,height:u}});D+=C;w.push(C);x.width+=D}}e.width=x.width;e.height=x.height},afterFit:s,isHorizontal:function isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position},draw:function draw(){var e=this,o=e.options,i=o.labels,l=a.global,s=l.elements.line,d=e.width,c=e.lineWidths;if(o.display){var h=e.ctx,u=n.valueOrDefault,m=u(i.fontColor,l.defaultFontColor),p=u(i.fontSize,l.defaultFontSize),f=u(i.fontStyle,l.defaultFontStyle),y=u(i.fontFamily,l.defaultFontFamily),x=n.fontString(p,f,y),k;h.textAlign="left";h.textBaseline="middle";h.lineWidth=.5;h.strokeStyle=m;h.fillStyle=m;h.font=x;var _=t(i,p),v=e.legendHitBoxes,S=function(e,t,a){if(isNaN(_)||0>=_){return}h.save();h.fillStyle=u(a.fillStyle,l.defaultColor);h.lineCap=u(a.lineCap,s.borderCapStyle);h.lineDashOffset=u(a.lineDashOffset,s.borderDashOffset);h.lineJoin=u(a.lineJoin,s.borderJoinStyle);h.lineWidth=u(a.lineWidth,s.borderWidth);h.strokeStyle=u(a.strokeStyle,l.defaultColor);var i=0===u(a.lineWidth,s.borderWidth);if(h.setLineDash){h.setLineDash(u(a.lineDash,s.borderDash))}if(o.labels&&o.labels.usePointStyle){var d=p*Math.SQRT2/2,c=d/Math.SQRT2;n.canvas.drawPoint(h,a.pointStyle,d,e+c,t+c)}else{if(!i){h.strokeRect(e,t,_,p)}h.fillRect(e,t,_,p)}h.restore()},w=function(e,t,a,o){var i=p/2,n=_+i+e,l=t+i;h.fillText(a.text,n,l);if(a.hidden){h.beginPath();h.lineWidth=2;h.moveTo(n,l);h.lineTo(n+o,l);h.stroke()}},D=e.isHorizontal();if(D){k={x:e.left+(d-c[0])/2,y:e.top+i.padding,line:0}}else{k={x:e.left+i.padding,y:e.top+i.padding,line:0}}var C=p+i.padding;n.each(e.legendItems,function(t,a){var o=h.measureText(t.text).width,n=_+p/2+o,l=k.x,s=k.y;if(D){if(l+n>=d){s=k.y+=C;k.line++;l=k.x=e.left+(d-c[k.line])/2}}else if(s+C>e.bottom){l=k.x=l+e.columnWidths[k.line]+i.padding;s=k.y=e.top+i.padding;k.line++}S(l,s,t);v[a].left=l;v[a].top=s;w(l,s,t,o);if(D){k.x+=n+i.padding}else{k.y+=C}})}},handleEvent:function handleEvent(t){var e=this,a=e.options,o="mouseup"===t.type?"click":t.type,n=!1;if("mousemove"===o){if(!a.onHover){return}}else if("click"===o){if(!a.onClick){return}}else{return}var l=t.x,s=t.y;if(l>=e.left&&l<=e.right&&s>=e.top&&s<=e.bottom){for(var d=e.legendHitBoxes,c=0,h;c<d.length;++c){h=d[c];if(l>=h.left&&l<=h.left+h.width&&s>=h.top&&s<=h.top+h.height){if("click"===o){a.onClick.call(e,t.native,e.legendItems[c]);n=!0;break}else if("mousemove"===o){a.onHover.call(e,t.native,e.legendItems[c]);n=!0;break}}}}return n}});function i(t,a){var o=new e.Legend({ctx:t.ctx,options:a,chart:t});l.configure(t,o,a);l.addBox(t,o);t.legend=o}return{id:"legend",beforeInit:function beforeInit(e){var t=e.options.legend;if(t){i(e,t)}},beforeUpdate:function beforeUpdate(e){var t=e.options.legend,o=e.legend;if(t){n.mergeIf(t,a.global.legend);if(o){l.configure(e,o,t);o.options=t}else{i(e,t)}}else if(o){l.removeBox(e,o);delete e.legend}},afterEvent:function afterEvent(t,a){var e=t.legend;if(e){e.handleEvent(a)}}}}},{25:25,26:26,45:45}],51:[function(e,t){'use strict';var a=e(25),o=e(26),n=e(45);a._set("global",{title:{display:!1,fontStyle:"bold",fullWidth:!0,lineHeight:1.2,padding:10,position:"top",text:"",weight:2e3}});t.exports=function(e){var i=e.layoutService,l=n.noop;e.Title=o.extend({initialize:function initialize(e){var t=this;n.extend(t,e);t.legendHitBoxes=[]},beforeUpdate:l,update:function update(e,t,a){var o=this;o.beforeUpdate();o.maxWidth=e;o.maxHeight=t;o.margins=a;o.beforeSetDimensions();o.setDimensions();o.afterSetDimensions();o.beforeBuildLabels();o.buildLabels();o.afterBuildLabels();o.beforeFit();o.fit();o.afterFit();o.afterUpdate();return o.minSize},afterUpdate:l,beforeSetDimensions:l,setDimensions:function setDimensions(){var e=this;if(e.isHorizontal()){e.width=e.maxWidth;e.left=0;e.right=e.width}else{e.height=e.maxHeight;e.top=0;e.bottom=e.height}e.paddingLeft=0;e.paddingTop=0;e.paddingRight=0;e.paddingBottom=0;e.minSize={width:0,height:0}},afterSetDimensions:l,beforeBuildLabels:l,buildLabels:l,afterBuildLabels:l,beforeFit:l,fit:function fit(){var e=this,t=n.valueOrDefault,o=e.options,i=o.display,l=t(o.fontSize,a.global.defaultFontSize),s=e.minSize,d=n.isArray(o.text)?o.text.length:1,c=n.options.toLineHeight(o.lineHeight,l),h=i?d*c+2*o.padding:0;if(e.isHorizontal()){s.width=e.maxWidth;s.height=h}else{s.width=h;s.height=e.maxHeight}e.width=s.width;e.height=s.height},afterFit:l,isHorizontal:function isHorizontal(){var e=this.options.position;return"top"===e||"bottom"===e},draw:function draw(){var e=this,t=e.ctx,o=n.valueOrDefault,l=e.options,s=a.global;if(l.display){var d=o(l.fontSize,s.defaultFontSize),c=o(l.fontStyle,s.defaultFontStyle),h=o(l.fontFamily,s.defaultFontFamily),u=n.fontString(d,c,h),m=n.options.toLineHeight(l.lineHeight,d),p=m/2+l.padding,f=0,x=e.top,k=e.left,_=e.bottom,v=e.right,S,w,D;t.fillStyle=o(l.fontColor,s.defaultFontColor);t.font=u;if(e.isHorizontal()){w=k+(v-k)/2;D=x+p;S=v-k}else{w="left"===l.position?k+p:v-p;D=x+(_-x)/2;S=_-x;f=Math.PI*("left"===l.position?-.5:.5)}t.save();t.translate(w,D);t.rotate(f);t.textAlign="center";t.textBaseline="middle";var C=l.text;if(n.isArray(C)){for(var P=0,T=0;T<C.length;++T){t.fillText(C[T],0,P,S);P+=m}}else{t.fillText(C,0,0,S)}t.restore()}}});function t(t,a){var o=new e.Title({ctx:t.ctx,options:a,chart:t});i.configure(t,o,a);i.addBox(t,o);t.titleBlock=o}return{id:"title",beforeInit:function beforeInit(e){var a=e.options.title;if(a){t(e,a)}},beforeUpdate:function beforeUpdate(o){var l=o.options.title,s=o.titleBlock;if(l){n.mergeIf(l,a.global.title);if(s){i.configure(o,s,l);s.options=l}else{t(o,l)}}else if(s){e.layoutService.removeBox(o,s);delete o.titleBlock}}}}},{25:25,26:26,45:45}],52:[function(e,t){'use strict';t.exports=function(e){var t=e.Scale.extend({getLabels:function getLabels(){var e=this.chart.data;return this.options.labels||(this.isHorizontal()?e.xLabels:e.yLabels)||e.labels},determineDataLimits:function determineDataLimits(){var e=this,t=e.getLabels();e.minIndex=0;e.maxIndex=t.length-1;var a;if(e.options.ticks.min!==void 0){a=t.indexOf(e.options.ticks.min);e.minIndex=-1!==a?a:e.minIndex}if(e.options.ticks.max!==void 0){a=t.indexOf(e.options.ticks.max);e.maxIndex=-1!==a?a:e.maxIndex}e.min=t[e.minIndex];e.max=t[e.maxIndex]},buildTicks:function buildTicks(){var e=this,t=e.getLabels();e.ticks=0===e.minIndex&&e.maxIndex===t.length-1?t:t.slice(e.minIndex,e.maxIndex+1)},getLabelForIndex:function getLabelForIndex(e,t){var a=this,o=a.chart.data,i=a.isHorizontal();if(o.yLabels&&!i){return a.getRightValue(o.datasets[t].data[e])}return a.ticks[e-a.minIndex]},getPixelForValue:function getPixelForValue(e,t){var a=this,o=a.options.offset,i=Math.max(a.maxIndex+1-a.minIndex-(o?0:1),1),n;if(e!==void 0&&null!==e){n=a.isHorizontal()?e.x:e.y}if(n!==void 0||e!==void 0&&isNaN(t)){var l=a.getLabels();e=n||e;var s=l.indexOf(e);t=-1!==s?s:t}if(a.isHorizontal()){var d=a.width/i,c=d*(t-a.minIndex);if(o){c+=d/2}return a.left+Math.round(c)}var h=a.height/i,u=h*(t-a.minIndex);if(o){u+=h/2}return a.top+Math.round(u)},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.ticks[e],e+this.minIndex,null)},getValueForPixel:function getValueForPixel(e){var t=this,a=t.options.offset,o,i=Math.max(t._ticks.length-(a?0:1),1),n=t.isHorizontal(),l=(n?t.width:t.height)/i;e-=n?t.left:t.top;if(a){e-=l/2}if(0>=e){o=0}else{o=Math.round(e/l)}return o+t.minIndex},getBasePixel:function getBasePixel(){return this.bottom}});e.scaleService.registerScaleType("category",t,{position:"bottom"})}},{}],53:[function(e,t){'use strict';var a=e(25),o=e(45),i=e(34);t.exports=function(e){var t={position:"left",ticks:{callback:i.formatters.linear}},n=e.LinearScaleBase.extend({determineDataLimits:function determineDataLimits(){var t=this,a=t.options,i=t.chart,n=i.data,l=n.datasets,s=t.isHorizontal();function e(e){return s?e.xAxisID===t.id:e.yAxisID===t.id}t.min=null;t.max=null;var d=a.stacked;if(d===void 0){o.each(l,function(t,a){if(d){return}var o=i.getDatasetMeta(a);if(i.isDatasetVisible(a)&&e(o)&&o.stack!==void 0){d=!0}})}if(a.stacked||d){var c={};o.each(l,function(n,l){var s=i.getDatasetMeta(l),d=[s.type,a.stacked===void 0&&s.stack===void 0?l:"",s.stack].join(".");if(c[d]===void 0){c[d]={positiveValues:[],negativeValues:[]}}var h=c[d].positiveValues,u=c[d].negativeValues;if(i.isDatasetVisible(l)&&e(s)){o.each(n.data,function(e,o){var i=+t.getRightValue(e);if(isNaN(i)||s.data[o].hidden){return}h[o]=h[o]||0;u[o]=u[o]||0;if(a.relativePoints){h[o]=100}else if(0>i){u[o]+=i}else{h[o]+=i}})}});o.each(c,function(e){var a=e.positiveValues.concat(e.negativeValues),i=o.min(a),n=o.max(a);t.min=null===t.min?i:Math.min(t.min,i);t.max=null===t.max?n:Math.max(t.max,n)})}else{o.each(l,function(a,n){var l=i.getDatasetMeta(n);if(i.isDatasetVisible(n)&&e(l)){o.each(a.data,function(e,a){var o=+t.getRightValue(e);if(isNaN(o)||l.data[a].hidden){return}if(null===t.min){t.min=o}else if(o<t.min){t.min=o}if(null===t.max){t.max=o}else if(o>t.max){t.max=o}})}})}t.min=isFinite(t.min)&&!isNaN(t.min)?t.min:0;t.max=isFinite(t.max)&&!isNaN(t.max)?t.max:1;this.handleTickRangeOptions()},getTickLimit:function getTickLimit(){var e,t=this,i=t.options.ticks;if(t.isHorizontal()){e=Math.min(i.maxTicksLimit?i.maxTicksLimit:11,Math.ceil(t.width/50))}else{var n=o.valueOrDefault(i.fontSize,a.global.defaultFontSize);e=Math.min(i.maxTicksLimit?i.maxTicksLimit:11,Math.ceil(t.height/(2*n)))}return e},handleDirectionalChanges:function handleDirectionalChanges(){if(!this.isHorizontal()){this.ticks.reverse()}},getLabelForIndex:function getLabelForIndex(e,t){return+this.getRightValue(this.chart.data.datasets[t].data[e])},getPixelForValue:function getPixelForValue(e){var t=this,a=t.start,o=+t.getRightValue(e),i,n=t.end-a;if(t.isHorizontal()){i=t.left+t.width/n*(o-a);return Math.round(i)}i=t.bottom-t.height/n*(o-a);return Math.round(i)},getValueForPixel:function getValueForPixel(e){var t=this,a=t.isHorizontal(),o=a?t.width:t.height,i=(a?e-t.left:t.bottom-e)/o;return t.start+(t.end-t.start)*i},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.ticksAsNumbers[e])}});e.scaleService.registerScaleType("linear",n,t)}},{25:25,34:34,45:45}],54:[function(e,t){'use strict';var a=e(45),o=e(34);t.exports=function(e){var t=a.noop;e.LinearScaleBase=e.Scale.extend({getRightValue:function getRightValue(t){if("string"==typeof t){return+t}return e.Scale.prototype.getRightValue.call(this,t)},handleTickRangeOptions:function handleTickRangeOptions(){var e=this,t=e.options,o=t.ticks;if(o.beginAtZero){var i=a.sign(e.min),n=a.sign(e.max);if(0>i&&0>n){e.max=0}else if(0<i&&0<n){e.min=0}}var l=o.min!==void 0||o.suggestedMin!==void 0,s=o.max!==void 0||o.suggestedMax!==void 0;if(o.min!==void 0){e.min=o.min}else if(o.suggestedMin!==void 0){if(null===e.min){e.min=o.suggestedMin}else{e.min=Math.min(e.min,o.suggestedMin)}}if(o.max!==void 0){e.max=o.max}else if(o.suggestedMax!==void 0){if(null===e.max){e.max=o.suggestedMax}else{e.max=Math.max(e.max,o.suggestedMax)}}if(l!==s){if(e.min>=e.max){if(l){e.max=e.min+1}else{e.min=e.max-1}}}if(e.min===e.max){e.max++;if(!o.beginAtZero){e.min--}}},getTickLimit:t,handleDirectionalChanges:t,buildTicks:function buildTicks(){var e=this,t=e.options,i=t.ticks,n=e.getTickLimit();n=Math.max(2,n);var l={maxTicks:n,min:i.min,max:i.max,stepSize:a.valueOrDefault(i.fixedStepSize,i.stepSize)},s=e.ticks=o.generators.linear(l,e);e.handleDirectionalChanges();e.max=a.max(s);e.min=a.min(s);if(i.reverse){s.reverse();e.start=e.max;e.end=e.min}else{e.start=e.min;e.end=e.max}},convertTicksToLabels:function convertTicksToLabels(){var t=this;t.ticksAsNumbers=t.ticks.slice();t.zeroLineIndex=t.ticks.indexOf(0);e.Scale.prototype.convertTicksToLabels.call(t)}})}},{34:34,45:45}],55:[function(e,t){'use strict';var a=e(45),o=e(34);t.exports=function(e){var t={position:"left",ticks:{callback:o.formatters.logarithmic}},i=e.Scale.extend({determineDataLimits:function determineDataLimits(){var t=this,o=t.options,i=o.ticks,n=t.chart,l=n.data,s=l.datasets,d=a.valueOrDefault,c=t.isHorizontal();function e(e){return c?e.xAxisID===t.id:e.yAxisID===t.id}t.min=null;t.max=null;t.minNotZero=null;var h=o.stacked;if(h===void 0){a.each(s,function(t,a){if(h){return}var o=n.getDatasetMeta(a);if(n.isDatasetVisible(a)&&e(o)&&o.stack!==void 0){h=!0}})}if(o.stacked||h){var u={};a.each(s,function(i,l){var s=n.getDatasetMeta(l),d=[s.type,o.stacked===void 0&&s.stack===void 0?l:"",s.stack].join(".");if(n.isDatasetVisible(l)&&e(s)){if(u[d]===void 0){u[d]=[]}a.each(i.data,function(e,a){var i=u[d],n=+t.getRightValue(e);if(isNaN(n)||s.data[a].hidden){return}i[a]=i[a]||0;if(o.relativePoints){i[a]=100}else{i[a]+=n}})}});a.each(u,function(e){var o=a.min(e),i=a.max(e);t.min=null===t.min?o:Math.min(t.min,o);t.max=null===t.max?i:Math.max(t.max,i)})}else{a.each(s,function(o,i){var l=n.getDatasetMeta(i);if(n.isDatasetVisible(i)&&e(l)){a.each(o.data,function(e,a){var o=+t.getRightValue(e);if(isNaN(o)||l.data[a].hidden){return}if(null===t.min){t.min=o}else if(o<t.min){t.min=o}if(null===t.max){t.max=o}else if(o>t.max){t.max=o}if(0!=o&&(null===t.minNotZero||o<t.minNotZero)){t.minNotZero=o}})}})}t.min=d(i.min,t.min);t.max=d(i.max,t.max);if(t.min===t.max){if(0!==t.min&&null!==t.min){t.min=Math.pow(10,Math.floor(a.log10(t.min))-1);t.max=Math.pow(10,Math.floor(a.log10(t.max))+1)}else{t.min=1;t.max=10}}},buildTicks:function buildTicks(){var e=this,t=e.options,i=t.ticks,n={min:i.min,max:i.max},l=e.ticks=o.generators.logarithmic(n,e);if(!e.isHorizontal()){l.reverse()}e.max=a.max(l);e.min=a.min(l);if(i.reverse){l.reverse();e.start=e.max;e.end=e.min}else{e.start=e.min;e.end=e.max}},convertTicksToLabels:function convertTicksToLabels(){this.tickValues=this.ticks.slice();e.Scale.prototype.convertTicksToLabels.call(this)},getLabelForIndex:function getLabelForIndex(e,t){return+this.getRightValue(this.chart.data.datasets[t].data[e])},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.tickValues[e])},getPixelForValue:function getPixelForValue(e){var t=this,o=t.start,i=+t.getRightValue(e),n=t.options,l=n.ticks,s,d,c;if(t.isHorizontal()){c=a.log10(t.end)-a.log10(o);if(0===i){d=t.left}else{s=t.width;d=t.left+s/c*(a.log10(i)-a.log10(o))}}else{s=t.height;if(0===o&&!l.reverse){c=a.log10(t.end)-a.log10(t.minNotZero);if(i===o){d=t.bottom}else if(i===t.minNotZero){d=t.bottom-.02*s}else{d=t.bottom-.02*s-.98*s/c*(a.log10(i)-a.log10(t.minNotZero))}}else if(0===t.end&&l.reverse){c=a.log10(t.start)-a.log10(t.minNotZero);if(i===t.end){d=t.top}else if(i===t.minNotZero){d=t.top+.02*s}else{d=t.top+.02*s+.98*s/c*(a.log10(i)-a.log10(t.minNotZero))}}else if(0===i){d=l.reverse?t.top:t.bottom}else{c=a.log10(t.end)-a.log10(o);s=t.height;d=t.bottom-s/c*(a.log10(i)-a.log10(o))}}return d},getValueForPixel:function getValueForPixel(e){var t=this,o=a.log10(t.end)-a.log10(t.start),i,n;if(t.isHorizontal()){n=t.width;i=t.start*Math.pow(10,(e-t.left)*o/n)}else{n=t.height;i=Math.pow(10,(t.bottom-e)*o/n)/t.start}return i}});e.scaleService.registerScaleType("logarithmic",i,t)}},{34:34,45:45}],56:[function(e,t){'use strict';var a=e(25),o=e(45),i=e(34);t.exports=function(e){var x=a.global,k={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,color:"rgba(0, 0, 0, 0.1)",lineWidth:1},gridLines:{circular:!1},ticks:{showLabelBackdrop:!0,backdropColor:"rgba(255,255,255,0.75)",backdropPaddingY:2,backdropPaddingX:2,callback:i.formatters.linear},pointLabels:{display:!0,fontSize:10,callback:function callback(e){return e}}};function t(e){var t=e.options;return t.angleLines.display||t.pointLabels.display?e.chart.data.labels.length:0}function n(e){var t=e.options.pointLabels,a=o.valueOrDefault(t.fontSize,x.defaultFontSize),i=o.valueOrDefault(t.fontStyle,x.defaultFontStyle),n=o.valueOrDefault(t.fontFamily,x.defaultFontFamily),l=o.fontString(a,i,n);return{size:a,style:i,family:n,font:l}}function l(e,t,a){if(o.isArray(a)){return{w:o.longestText(e,e.font,a),h:a.length*t+1.5*(a.length-1)*t}}return{w:e.measureText(a).width,h:t}}function s(e,t,a,o,i){if(e===o||e===i){return{start:t-a/2,end:t+a/2}}else if(e<o||e>i){return{start:t-a-5,end:t}}return{start:t,end:t+a+5}}function d(e){var a=n(e),d=Math.min(e.height/2,e.width/2),c={r:e.width,l:0,t:e.height,b:0},h={},u,m,p;e.ctx.font=a.font;e._pointLabelSizes=[];var f=t(e);for(u=0;u<f;u++){p=e.getPointPosition(u,d);m=l(e.ctx,a.size,e.pointLabels[u]||"");e._pointLabelSizes[u]=m;var y=e.getIndexAngle(u),x=o.toDegrees(y)%360,k=s(x,p.x,m.w,0,180),_=s(x,p.y,m.h,90,270);if(k.start<c.l){c.l=k.start;h.l=y}if(k.end>c.r){c.r=k.end;h.r=y}if(_.start<c.t){c.t=_.start;h.t=y}if(_.end>c.b){c.b=_.end;h.b=y}}e.setReductions(d,c,h)}function c(e){var t=Math.min(e.height/2,e.width/2);e.drawingArea=Math.round(t);e.setCenterPoint(0,0,0,0)}function h(e){if(0===e||180===e){return"center"}else if(180>e){return"left"}return"right"}function u(e,t,a,n){if(o.isArray(t)){for(var l=a.y,s=0;s<t.length;++s){e.fillText(t[s],a.x,l);l+=1.5*n}}else{e.fillText(t,a.x,a.y)}}function m(e,t,a){if(90===e||270===e){a.y-=t.h/2}else if(270<e||90>e){a.y-=t.h}}function p(e){var a=e.ctx,l=o.valueOrDefault,s=e.options,d=s.angleLines,c=s.pointLabels;a.lineWidth=d.lineWidth;a.strokeStyle=d.color;var p=e.getDistanceFromCenterForValue(s.ticks.reverse?e.min:e.max),f=n(e);a.textBaseline="top";for(var y=t(e)-1;0<=y;y--){if(d.display){var k=e.getPointPosition(y,p);a.beginPath();a.moveTo(e.xCenter,e.yCenter);a.lineTo(k.x,k.y);a.stroke();a.closePath()}if(c.display){var _=e.getPointPosition(y,p+5),v=l(c.fontColor,x.defaultFontColor);a.font=f.font;a.fillStyle=v;var S=e.getIndexAngle(y),w=o.toDegrees(S);a.textAlign=h(w);m(w,e._pointLabelSizes[y],_);u(a,e.pointLabels[y]||"",_,f.size)}}}function f(e,a,n,l){var s=e.ctx;s.strokeStyle=o.valueAtIndexOrDefault(a.color,l-1);s.lineWidth=o.valueAtIndexOrDefault(a.lineWidth,l-1);if(e.options.gridLines.circular){s.beginPath();s.arc(e.xCenter,e.yCenter,n,0,2*Math.PI);s.closePath();s.stroke()}else{var d=t(e);if(0===d){return}s.beginPath();var c=e.getPointPosition(0,n);s.moveTo(c.x,c.y);for(var h=1;h<d;h++){c=e.getPointPosition(h,n);s.lineTo(c.x,c.y)}s.closePath();s.stroke()}}function y(e){return o.isNumber(e)?e:0}var _=e.LinearScaleBase.extend({setDimensions:function setDimensions(){var e=this,t=e.options,a=t.ticks;e.width=e.maxWidth;e.height=e.maxHeight;e.xCenter=Math.round(e.width/2);e.yCenter=Math.round(e.height/2);var i=o.min([e.height,e.width]),n=o.valueOrDefault(a.fontSize,x.defaultFontSize);e.drawingArea=t.display?i/2-(n/2+a.backdropPaddingY):i/2},determineDataLimits:function determineDataLimits(){var e=this,t=e.chart,a=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;o.each(t.data.datasets,function(n,l){if(t.isDatasetVisible(l)){var 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m=l.measureText(t).width;l.fillStyle=i.backdropColor;l.fillRect(-m/2-i.backdropPaddingX,-c-d/2-i.backdropPaddingY,m+2*i.backdropPaddingX,d+2*i.backdropPaddingY)}l.textAlign="center";l.textBaseline="middle";l.fillStyle=h;l.fillText(t,0,-c);l.restore()}}});if(t.angleLines.display||t.pointLabels.display){p(e)}}}});e.scaleService.registerScaleType("radialLinear",_,k)}},{25:25,34:34,45:45}],57:[function(e,t){'use strict';var x=e(6);x="function"==typeof x?x:window.moment;var 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l(e,t,a){var o=0,i=e.length-1,n,l,s;while(0<=o&&o<=i){n=o+i>>1;l=e[n-1]||null;s=e[n];if(!l){return{lo:null,hi:s}}else if(s[t]<a){o=n+1}else if(l[t]>a){i=n-1}else{return{lo:l,hi:s}}}return{lo:s,hi:null}}function s(e,t,a,o){var i=l(e,t,a),n=!i.lo?e[0]:!i.hi?e[e.length-2]:i.lo,s=!i.lo?e[1]:!i.hi?e[e.length-1]:i.hi,d=s[t]-n[t],c=d?(a-n[t])/d:0,h=(s[o]-n[o])*c;return n[o]+h}function d(e,t){var a=t.parser,o=t.parser||t.format;if("function"==typeof a){return a(e)}if("string"==typeof e&&"string"==typeof o){return x(e,o)}if(!(e instanceof x)){e=x(e)}if(e.isValid()){return e}if("function"==typeof o){return o(e)}return e}function c(e,t){if(_.isNullOrUndef(e)){return null}var a=t.options.time,o=d(t.getRightValue(e),a);if(!o.isValid()){return null}if(a.round){o.startOf(a.round)}return o.valueOf()}function h(e,t,a,o){var n=t-e,l=w[a],s=l.size,d=l.steps,c,h,u;if(!d){return Math.ceil(n/((o||1)*s))}for(c=0,h=d.length;c<h;++c){u=d[c];if(Math.ceil(n/(s*u))<=o){break}}return u}function u(e,t,a,o){var n=D.length,l,s,d;for(l=D.indexOf(e);l<n-1;++l){s=w[D[l]];d=s.steps?s.steps[s.steps.length-1]:S;if(Math.ceil((a-t)/(d*s.size))<=o){return D[l]}}return D[n-1]}function m(e){for(var t=D.indexOf(e)+1,a=D.length;t<a;++t){if(w[D[t]].major){return D[t]}}}function p(e,t,a,o,i,n){var l=n.time,s=_.valueOrDefault(l.stepSize,l.unitStepSize),d="week"===a?l.isoWeekday:!1,c=n.ticks.major.enabled,u=w[a],m=x(e),p=x(t),f=[],y;if(!s){s=h(e,t,a,i)}if(d){m=m.isoWeekday(d);p=p.isoWeekday(d)}m=m.startOf(d?"day":a);p=p.startOf(d?"day":a);if(p<t){p.add(1,a)}y=x(m);if(c&&o&&!d&&!l.round){y.startOf(o);y.add(~~((m-y)/(u.size*s))*s,a)}for(;y<p;y.add(s,a)){f.push(+y)}f.push(+y);return f}function f(e,t,a,o,i){var n=0,l=0,d,c;if(i.offset&&t.length){if(!i.time.min){d=1<t.length?t[1]:o;c=t[0];n=(s(e,"time",d,"pos")-s(e,"time",c,"pos"))/2}if(!i.time.max){d=t[t.length-1];c=1<t.length?t[t.length-2]:a;l=(s(e,"time",d,"pos")-s(e,"time",c,"pos"))/2}}return{left:n,right:l}}function y(e,t){var a=[],o,n,l,s;for(o=0,n=e.length;o<n;++o){l=e[o];s=t?l===+x(l).startOf(t):!1;a.push({value:l,major:s})}return a}t.exports=function(e){var t=e.Scale.extend({initialize:function initialize(){if(!x){throw new Error("Chart.js - Moment.js could not be found! 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Math.min(Math.max(t,e),a)}function h(e){var t=e.toString(16).toUpperCase();return 2>t.length?"0"+t:t}var u={};for(var m in a){u[a[m]]=m}},{5:5}],2:[function(e,t){var a=e(4),o=e(1),i=function(e){if(e instanceof i){return e}if(!(this instanceof i)){return new i(e)}this.valid=!1;this.values={rgb:[0,0,0],hsl:[0,0,0],hsv:[0,0,0],hwb:[0,0,0],cmyk:[0,0,0,0],alpha:1};var t;if("string"==typeof e){t=o.getRgba(e);if(t){this.setValues("rgb",t)}else if(t=o.getHsla(e)){this.setValues("hsl",t)}else if(t=o.getHwb(e)){this.setValues("hwb",t)}}else if("object"===_typeof(e)){t=e;if(t.r!==void 0||t.red!==void 0){this.setValues("rgb",t)}else if(t.l!==void 0||t.lightness!==void 0){this.setValues("hsl",t)}else if(t.v!==void 0||t.value!==void 0){this.setValues("hsv",t)}else if(t.w!==void 0||t.whiteness!==void 0){this.setValues("hwb",t)}else if(t.c!==void 0||t.cyan!==void 0){this.setValues("cmyk",t)}}};i.prototype={isValid:function isValid(){return this.valid},rgb:function rgb(){return this.setSpace("rgb",arguments)},hsl:function hsl(){return this.setSpace("hsl",arguments)},hsv:function hsv(){return this.setSpace("hsv",arguments)},hwb:function hwb(){return this.setSpace("hwb",arguments)},cmyk:function cmyk(){return this.setSpace("cmyk",arguments)},rgbArray:function rgbArray(){return this.values.rgb},hslArray:function hslArray(){return this.values.hsl},hsvArray:function hsvArray(){return this.values.hsv},hwbArray:function hwbArray(){var e=this.values;if(1!==e.alpha){return e.hwb.concat([e.alpha])}return e.hwb},cmykArray:function cmykArray(){return this.values.cmyk},rgbaArray:function rgbaArray(){var e=this.values;return e.rgb.concat([e.alpha])},hslaArray:function hslaArray(){var e=this.values;return e.hsl.concat([e.alpha])},alpha:function alpha(e){if(e===void 0){return this.values.alpha}this.setValues("alpha",e);return this},red:function red(e){return this.setChannel("rgb",0,e)},green:function green(e){return this.setChannel("rgb",1,e)},blue:function blue(e){return this.setChannel("rgb",2,e)},hue:function hue(e){if(e){e%=360;e=0>e?360+e:e}return this.setChannel("hsl",0,e)},saturation:function saturation(e){return this.setChannel("hsl",1,e)},lightness:function lightness(e){return this.setChannel("hsl",2,e)},saturationv:function saturationv(e){return this.setChannel("hsv",1,e)},whiteness:function whiteness(e){return this.setChannel("hwb",1,e)},blackness:function blackness(e){return this.setChannel("hwb",2,e)},value:function value(e){return this.setChannel("hsv",2,e)},cyan:function cyan(e){return this.setChannel("cmyk",0,e)},magenta:function magenta(e){return this.setChannel("cmyk",1,e)},yellow:function yellow(e){return this.setChannel("cmyk",2,e)},black:function black(e){return this.setChannel("cmyk",3,e)},hexString:function hexString(){return o.hexString(this.values.rgb)},rgbString:function rgbString(){return o.rgbString(this.values.rgb,this.values.alpha)},rgbaString:function rgbaString(){return o.rgbaString(this.values.rgb,this.values.alpha)},percentString:function percentString(){return o.percentString(this.values.rgb,this.values.alpha)},hslString:function hslString(){return o.hslString(this.values.hsl,this.values.alpha)},hslaString:function hslaString(){return o.hslaString(this.values.hsl,this.values.alpha)},hwbString:function hwbString(){return o.hwbString(this.values.hwb,this.values.alpha)},keyword:function keyword(){return o.keyword(this.values.rgb,this.values.alpha)},rgbNumber:function rgbNumber(){var e=this.values.rgb;return e[0]<<16|e[1]<<8|e[2]},luminosity:function luminosity(){for(var e=this.values.rgb,t=[],a=0,o;a<e.length;a++){o=e[a]/255;t[a]=.03928>=o?o/12.92:Math.pow((o+.055)/1.055,2.4)}return .2126*t[0]+.7152*t[1]+.0722*t[2]},contrast:function contrast(e){var t=this.luminosity(),a=e.luminosity();if(t>a){return(t+.05)/(a+.05)}return(a+.05)/(t+.05)},level:function level(e){var t=this.contrast(e);if(7.1<=t){return"AAA"}return 4.5<=t?"AA":""},dark:function dark(){var e=this.values.rgb,t=(299*e[0]+587*e[1]+114*e[2])/1e3;return 128>t},light:function light(){return!this.dark()},negate:function negate(){for(var e=[],t=0;3>t;t++){e[t]=255-this.values.rgb[t]}this.setValues("rgb",e);return this},lighten:function lighten(e){var t=this.values.hsl;t[2]+=t[2]*e;this.setValues("hsl",t);return this},darken:function darken(e){var t=this.values.hsl;t[2]-=t[2]*e;this.setValues("hsl",t);return this},saturate:function saturate(e){var t=this.values.hsl;t[1]+=t[1]*e;this.setValues("hsl",t);return this},desaturate:function desaturate(e){var t=this.values.hsl;t[1]-=t[1]*e;this.setValues("hsl",t);return this},whiten:function whiten(e){var t=this.values.hwb;t[1]+=t[1]*e;this.setValues("hwb",t);return this},blacken:function blacken(e){var t=this.values.hwb;t[2]+=t[2]*e;this.setValues("hwb",t);return this},greyscale:function greyscale(){var e=this.values.rgb,t=.3*e[0]+.59*e[1]+.11*e[2];this.setValues("rgb",[t,t,t]);return this},clearer:function clearer(e){var t=this.values.alpha;this.setValues("alpha",t-t*e);return this},opaquer:function opaquer(e){var t=this.values.alpha;this.setValues("alpha",t+t*e);return this},rotate:function rotate(e){var t=this.values.hsl,a=(t[0]+e)%360;t[0]=0>a?360+a:a;this.setValues("hsl",t);return this},mix:function mix(e,t){var o=this,i=e,n=t===void 0?.5:t,l=2*n-1,s=o.alpha()-i.alpha(),a=((-1==l*s?l:(l+s)/(1+l*s))+1)/2,d=1-a;return this.rgb(a*o.red()+d*i.red(),a*o.green()+d*i.green(),a*o.blue()+d*i.blue()).alpha(o.alpha()*n+i.alpha()*(1-n))},toJSON:function toJSON(){return this.rgb()},clone:function clone(){var e=new i,t=this.values,a=e.values,o,n;for(var l in t){if(t.hasOwnProperty(l)){o=t[l];n={}.toString.call(o);if("[object Array]"===n){a[l]=o.slice(0)}else if("[object Number]"===n){a[l]=o}else{console.error("unexpected color value:",o)}}}return e}};i.prototype.spaces={rgb:["red","green","blue"],hsl:["hue","saturation","lightness"],hsv:["hue","saturation","value"],hwb:["hue","whiteness","blackness"],cmyk:["cyan","magenta","yellow","black"]};i.prototype.maxes={rgb:[255,255,255],hsl:[360,100,100],hsv:[360,100,100],hwb:[360,100,100],cmyk:[100,100,100,100]};i.prototype.getValues=function(e){for(var t=this.values,a={},o=0;o<e.length;o++){a[e.charAt(o)]=t[e][o]}if(1!==t.alpha){a.a=t.alpha}return a};i.prototype.setValues=function(e,t){var o=this.values,n=this.spaces,l=this.maxes,s=1,d;this.valid=!0;if("alpha"===e){s=t}else if(t.length){o[e]=t.slice(0,e.length);s=t[e.length]}else if(t[e.charAt(0)]!==void 0){for(d=0;d<e.length;d++){o[e][d]=t[e.charAt(d)]}s=t.a}else if(t[n[e][0]]!==void 0){var c=n[e];for(d=0;d<e.length;d++){o[e][d]=t[c[d]]}s=t.alpha}o.alpha=Math.max(0,Math.min(1,s===void 0?o.alpha:s));if("alpha"===e){return!1}var h;for(d=0;d<e.length;d++){h=Math.max(0,Math.min(l[e][d],o[e][d]));o[e][d]=Math.round(h)}for(var u in 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t=e[0],a=e[1]/100,o=e[2]/100,i,n;n=(2-a)*o;i=a*o;i/=1>=n?n:2-n;i=i||0;n/=2;return[t,100*i,100*n]},hsv2hwb:function(e){return i(h(e))},hsv2cmyk:function(e){return n(h(e))},hsv2keyword:function(e){return l(h(e))},hwb2rgb:u,hwb2hsl:function(e){return a(u(e))},hwb2hsv:function(e){return o(u(e))},hwb2cmyk:function(e){return n(u(e))},hwb2keyword:function(e){return l(u(e))},cmyk2rgb:m,cmyk2hsl:function(e){return a(m(e))},cmyk2hsv:function(e){return o(m(e))},cmyk2hwb:function(e){return i(m(e))},cmyk2keyword:function(e){return l(m(e))},keyword2rgb:v,keyword2hsl:function(e){return a(v(e))},keyword2hsv:function(e){return o(v(e))},keyword2hwb:function(e){return i(v(e))},keyword2cmyk:function(e){return n(v(e))},keyword2lab:function(e){return d(v(e))},keyword2xyz:function(e){return s(v(e))},xyz2rgb:p,xyz2lab:f,xyz2lch:function(e){return x(f(e))},lab2xyz:y,lab2rgb:k,lab2lch:x,lch2lab:_,lch2xyz:function(e){return y(_(e))},lch2rgb:function(e){return k(_(e))}};function a(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255,i=Math.min(t,a,o),n=Math.max(t,a,o),d=n-i,c,u,m;if(n==i)c=0;else if(t==n)c=(a-o)/d;else if(a==n)c=2+(o-t)/d;else if(o==n)c=4+(t-a)/d;c=Math.min(60*c,360);if(0>c)c+=360;m=(i+n)/2;if(n==i)u=0;else if(.5>=m)u=d/(n+i);else u=d/(2-n-i);return[c,100*u,100*m]}function o(e){var t=e[0],a=e[1],o=e[2],i=Math.min(t,a,o),n=Math.max(t,a,o),l=n-i,d,c,u;if(0==n)c=0;else c=1e3*(l/n)/10;if(n==i)d=0;else if(t==n)d=(a-o)/l;else if(a==n)d=2+(o-t)/l;else if(o==n)d=4+(t-a)/l;d=Math.min(60*d,360);if(0>d)d+=360;u=1e3*(n/255)/10;return[d,c,u]}function i(e){var t=e[0],o=e[1],i=e[2],n=a(e)[0],l=1/255*Math.min(t,Math.min(o,i)),i=1-1/255*Math.max(t,Math.max(o,i));return[n,100*l,100*i]}function n(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255,i,n,l,s;s=Math.min(1-t,1-a,1-o);i=(1-t-s)/(1-s)||0;n=(1-a-s)/(1-s)||0;l=(1-o-s)/(1-s)||0;return[100*i,100*n,100*l,100*s]}function l(e){return w[JSON.stringify(e)]}function s(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255;t=.04045<t?Math.pow((t+.055)/1.055,2.4):t/12.92;a=.04045<a?Math.pow((a+.055)/1.055,2.4):a/12.92;o=.04045<o?Math.pow((o+.055)/1.055,2.4):o/12.92;var i=.4124*t+.3576*a+.1805*o,n=.2126*t+.7152*a+.0722*o,l=.0193*t+.1192*a+.9505*o;return[100*i,100*n,100*l]}function d(e){var t=s(e),o=t[0],i=t[1],n=t[2],d,c,h;o/=95.047;i/=100;n/=108.883;o=.008856<o?Math.pow(o,1/3):7.787*o+16/116;i=.008856<i?Math.pow(i,1/3):7.787*i+16/116;n=.008856<n?Math.pow(n,1/3):7.787*n+16/116;d=116*i-16;c=500*(o-i);h=200*(i-n);return[d,c,h]}function c(e){var t=e[0]/360,a=e[1]/100,o=e[2]/100,n,l,s,d,c;if(0==a){c=255*o;return[c,c,c]}if(.5>o)l=o*(1+a);else l=o+a-o*a;n=2*o-l;d=[0,0,0];for(var h=0;3>h;h++){s=t+1/3*-(h-1);0>s&&s++;1<s&&s--;if(1>6*s)c=n+6*(l-n)*s;else if(1>2*s)c=l;else if(2>3*s)c=n+6*((l-n)*(2/3-s));else c=n;d[h]=255*c}return d}function h(e){var a=e[0]/60,o=e[1]/100,i=e[2]/100,n=Math.floor(a)%6,l=a-Math.floor(a),s=255*i*(1-o),d=255*i*(1-o*l),c=255*i*(1-o*(1-l)),i=255*i;switch(n){case 0:return[i,c,s];case 1:return[d,i,s];case 2:return[s,i,c];case 3:return[s,d,i];case 4:return[c,s,i];case 5:return[i,s,d];}}function u(e){var t=e[0]/360,a=e[1]/100,o=e[2]/100,l=a+o,s,d,c,h;if(1<l){a/=l;o/=l}s=Math.floor(6*t);d=1-o;c=6*t-s;if(0!=(1&s)){c=1-c}h=a+c*(d-a);switch(s){default:case 6:case 0:r=d;g=h;b=a;break;case 1:r=h;g=d;b=a;break;case 2:r=a;g=d;b=h;break;case 3:r=a;g=h;b=d;break;case 4:r=h;g=a;b=d;break;case 5:r=d;g=a;b=h;break;}return[255*r,255*g,255*b]}function m(e){var t=e[0]/100,a=e[1]/100,o=e[2]/100,i=e[3]/100,n,l,s;n=1-Math.min(1,t*(1-i)+i);l=1-Math.min(1,a*(1-i)+i);s=1-Math.min(1,o*(1-i)+i);return[255*n,255*l,255*s]}function p(e){var 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e(t,a)}}},{}],10:[function(e,t){"use strict";t.exports=function(e){e.Doughnut=function(t,a){a.type="doughnut";return new e(t,a)}}},{}],11:[function(e,t){"use strict";t.exports=function(e){e.Line=function(t,a){a.type="line";return new e(t,a)}}},{}],12:[function(e,t){"use strict";t.exports=function(e){e.PolarArea=function(t,a){a.type="polarArea";return new e(t,a)}}},{}],13:[function(e,t){"use strict";t.exports=function(e){e.Radar=function(t,a){a.type="radar";return new e(t,a)}}},{}],14:[function(e,t){"use strict";t.exports=function(e){e.Scatter=function(t,a){a.type="scatter";return new e(t,a)}}},{}],15:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("bar",{hover:{mode:"label"},scales:{xAxes:[{type:"category",categoryPercentage:.8,barPercentage:.9,offset:!0,gridLines:{offsetGridLines:!0}}],yAxes:[{type:"linear"}]}});a._set("horizontalBar",{hover:{mode:"index",axis:"y"},scales:{xAxes:[{type:"linear",position:"bottom"}],yAxes:[{position:"left",type:"category",categoryPercentage:.8,barPercentage:.9,offset:!0,gridLines:{offsetGridLines:!0}}]},elements:{rectangle:{borderSkipped:"left"}},tooltips:{callbacks:{title:function(e,t){var a="";if(0<e.length){if(e[0].yLabel){a=e[0].yLabel}else if(0<t.labels.length&&e[0].index<t.labels.length){a=t.labels[e[0].index]}}return a},label:function label(e,t){var a=t.datasets[e.datasetIndex].label||"";return a+": "+e.xLabel}},mode:"index",axis:"y"}});t.exports=function(e){e.controllers.bar=e.DatasetController.extend({dataElementType:o.Rectangle,initialize:function initialize(){var t=this,a;e.DatasetController.prototype.initialize.apply(t,arguments);a=t.getMeta();a.stack=t.getDataset().stack;a.bar=!0},update:function update(e){var t=this,a=t.getMeta().data,o,n;t._ruler=t.getRuler();for(o=0,n=a.length;o<n;++o){t.updateElement(a[o],o,e)}},updateElement:function updateElement(e,t,a){var o=this,i=o.chart,l=o.getMeta(),s=o.getDataset(),d=e.custom||{},c=i.options.elements.rectangle;e._xScale=o.getScaleForId(l.xAxisID);e._yScale=o.getScaleForId(l.yAxisID);e._datasetIndex=o.index;e._index=t;e._model={datasetLabel:s.label,label:i.data.labels[t],borderSkipped:d.borderSkipped?d.borderSkipped:c.borderSkipped,backgroundColor:d.backgroundColor?d.backgroundColor:n.valueAtIndexOrDefault(s.backgroundColor,t,c.backgroundColor),borderColor:d.borderColor?d.borderColor:n.valueAtIndexOrDefault(s.borderColor,t,c.borderColor),borderWidth:d.borderWidth?d.borderWidth:n.valueAtIndexOrDefault(s.borderWidth,t,c.borderWidth)};o.updateElementGeometry(e,t,a);e.pivot()},updateElementGeometry:function updateElementGeometry(e,t,a){var o=this,i=e._model,n=o.getValueScale(),l=n.getBasePixel(),s=n.isHorizontal(),d=o._ruler||o.getRuler(),c=o.calculateBarValuePixels(o.index,t),h=o.calculateBarIndexPixels(o.index,t,d);i.horizontal=s;i.base=a?l:c.base;i.x=s?a?l:c.head:h.center;i.y=s?h.center:a?l:c.head;i.height=s?h.size:void 0;i.width=s?void 0:h.size},getValueScaleId:function getValueScaleId(){return this.getMeta().yAxisID},getIndexScaleId:function getIndexScaleId(){return this.getMeta().xAxisID},getValueScale:function getValueScale(){return this.getScaleForId(this.getValueScaleId())},getIndexScale:function getIndexScale(){return this.getScaleForId(this.getIndexScaleId())},getStackCount:function getStackCount(e){var t=this,a=t.chart,o=t.getIndexScale(),n=o.options.stacked,l=e===void 0?a.data.datasets.length:e+1,s=[],d,c;for(d=0;d<l;++d){c=a.getDatasetMeta(d);if(c.bar&&a.isDatasetVisible(d)&&(!1===n||!0===n&&-1===s.indexOf(c.stack)||n===void 0&&(c.stack===void 0||-1===s.indexOf(c.stack)))){s.push(c.stack)}}return s.length},getStackIndex:function getStackIndex(e){return this.getStackCount(e)-1},getRuler:function getRuler(){var e=this,t=e.getIndexScale(),a=e.getStackCount(),o=e.index,n=[],l=t.isHorizontal(),s=l?t.left:t.top,d=s+(l?t.width:t.height),c,h;for(c=0,h=e.getMeta().data.length;c<h;++c){n.push(t.getPixelForValue(null,c,o))}return{pixels:n,start:s,end:d,stackCount:a,scale:t}},calculateBarValuePixels:function calculateBarValuePixels(e,t){var a=this,o=a.chart,n=a.getMeta(),l=a.getValueScale(),s=o.data.datasets,d=l.getRightValue(s[e].data[t]),c=l.options.stacked,h=n.stack,u=0,m,p,f,y,x,k;if(c||c===void 0&&h!==void 0){for(m=0;m<e;++m){p=o.getDatasetMeta(m);if(p.bar&&p.stack===h&&p.controller.getValueScaleId()===l.id&&o.isDatasetVisible(m)){f=l.getRightValue(s[m].data[t]);if(0>d&&0>f||0<=d&&0<f){u+=f}}}}y=l.getPixelForValue(u);x=l.getPixelForValue(u+d);k=(x-y)/2;return{size:k,base:y,head:x,center:x+k/2}},calculateBarIndexPixels:function calculateBarIndexPixels(e,t,a){var o=this,i=a.scale.options,l=o.getStackIndex(e),s=a.pixels,d=s[t],c=s.length,h=a.start,u=a.end,m,p,f,y,x,k;if(1===c){m=d>h?d-h:u-d;p=d<u?u-d:d-h}else{if(0<t){m=(d-s[t-1])/2;if(t===c-1){p=m}}if(t<c-1){p=(s[t+1]-d)/2;if(0===t){m=p}}}f=m*i.categoryPercentage;y=p*i.categoryPercentage;x=(f+y)/a.stackCount;k=x*i.barPercentage;k=Math.min(n.valueOrDefault(i.barThickness,k),n.valueOrDefault(i.maxBarThickness,1/0));d-=f;d+=x*l;d+=(x-k)/2;return{size:k,base:d,head:d+k,center:d+k/2}},draw:function draw(){var e=this,t=e.chart,a=e.getValueScale(),o=e.getMeta().data,l=e.getDataset(),s=o.length,d=0;n.canvas.clipArea(t.ctx,t.chartArea);for(;d<s;++d){if(!isNaN(a.getRightValue(l.data[d]))){o[d].draw()}}n.canvas.unclipArea(t.ctx)},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model;i.backgroundColor=o.hoverBackgroundColor?o.hoverBackgroundColor:n.valueAtIndexOrDefault(t.hoverBackgroundColor,a,n.getHoverColor(i.backgroundColor));i.borderColor=o.hoverBorderColor?o.hoverBorderColor:n.valueAtIndexOrDefault(t.hoverBorderColor,a,n.getHoverColor(i.borderColor));i.borderWidth=o.hoverBorderWidth?o.hoverBorderWidth:n.valueAtIndexOrDefault(t.hoverBorderWidth,a,i.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model,l=this.chart.options.elements.rectangle;i.backgroundColor=o.backgroundColor?o.backgroundColor:n.valueAtIndexOrDefault(t.backgroundColor,a,l.backgroundColor);i.borderColor=o.borderColor?o.borderColor:n.valueAtIndexOrDefault(t.borderColor,a,l.borderColor);i.borderWidth=o.borderWidth?o.borderWidth:n.valueAtIndexOrDefault(t.borderWidth,a,l.borderWidth)}});e.controllers.horizontalBar=e.controllers.bar.extend({getValueScaleId:function getValueScaleId(){return this.getMeta().xAxisID},getIndexScaleId:function getIndexScaleId(){return this.getMeta().yAxisID}})}},{25:25,40:40,45:45}],16:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("bubble",{hover:{mode:"single"},scales:{xAxes:[{type:"linear",position:"bottom",id:"x-axis-0"}],yAxes:[{type:"linear",position:"left",id:"y-axis-0"}]},tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){var a=t.datasets[e.datasetIndex].label||"",o=t.datasets[e.datasetIndex].data[e.index];return a+": ("+e.xLabel+", "+e.yLabel+", "+o.r+")"}}}});t.exports=function(e){e.controllers.bubble=e.DatasetController.extend({dataElementType:o.Point,update:function update(e){var t=this,a=t.getMeta(),o=a.data;n.each(o,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){var o=this,i=o.getMeta(),n=e.custom||{},l=o.getScaleForId(i.xAxisID),s=o.getScaleForId(i.yAxisID),d=o._resolveElementOptions(e,t),c=o.getDataset().data[t],h=o.index,u=a?l.getPixelForDecimal(.5):l.getPixelForValue("object"===_typeof(c)?c:NaN,t,h),m=a?s.getBasePixel():s.getPixelForValue(c,t,h);e._xScale=l;e._yScale=s;e._options=d;e._datasetIndex=h;e._index=t;e._model={backgroundColor:d.backgroundColor,borderColor:d.borderColor,borderWidth:d.borderWidth,hitRadius:d.hitRadius,pointStyle:d.pointStyle,radius:a?0:d.radius,skip:n.skip||isNaN(u)||isNaN(m),x:u,y:m};e.pivot()},setHoverStyle:function setHoverStyle(e){var t=e._model,a=e._options;t.backgroundColor=n.valueOrDefault(a.hoverBackgroundColor,n.getHoverColor(a.backgroundColor));t.borderColor=n.valueOrDefault(a.hoverBorderColor,n.getHoverColor(a.borderColor));t.borderWidth=n.valueOrDefault(a.hoverBorderWidth,a.borderWidth);t.radius=a.radius+a.hoverRadius},removeHoverStyle:function removeHoverStyle(e){var t=e._model,a=e._options;t.backgroundColor=a.backgroundColor;t.borderColor=a.borderColor;t.borderWidth=a.borderWidth;t.radius=a.radius},_resolveElementOptions:function _resolveElementOptions(e,t){var a=this,o=a.chart,l=o.data.datasets,s=l[a.index],d=e.custom||{},c=o.options.elements.point,h=n.options.resolve,u=s.data[t],m={},p,f,y,x={chart:o,dataIndex:t,dataset:s,datasetIndex:a.index},k=["backgroundColor","borderColor","borderWidth","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth","hoverRadius","hitRadius","pointStyle"];for(p=0,f=k.length;p<f;++p){y=k[p];m[y]=h([d[y],s[y],c[y]],x,t)}m.radius=h([d.radius,u?u.r:void 0,s.radius,c.radius],x,t);return m}})}},{25:25,40:40,45:45}],17:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("doughnut",{animation:{animateRotate:!0,animateScale:!1},hover:{mode:"single"},legendCallback:function legendCallback(e){var t=["<ul class=\""+e.id+"-legend\">"],a=e.data,o=a.datasets,n=a.labels;if(o.length){for(var l=0;l<o[0].data.length;++l){t.push("<li><span style=\"background-color:"+o[0].backgroundColor[l]+"\"></span>");if(n[l]){t.push(n[l])}t.push("</li>")}}t.push("</ul>");return t.join("")},legend:{labels:{generateLabels:function generateLabels(e){var t=e.data;if(t.labels.length&&t.datasets.length){return t.labels.map(function(a,o){var i=e.getDatasetMeta(0),l=t.datasets[0],s=i.data[o],d=s&&s.custom||{},c=n.valueAtIndexOrDefault,h=e.options.elements.arc,u=d.backgroundColor?d.backgroundColor:c(l.backgroundColor,o,h.backgroundColor),m=d.borderColor?d.borderColor:c(l.borderColor,o,h.borderColor),p=d.borderWidth?d.borderWidth:c(l.borderWidth,o,h.borderWidth);return{text:a,fillStyle:u,strokeStyle:m,lineWidth:p,hidden:isNaN(l.data[o])||i.data[o].hidden,index:o}})}return[]}},onClick:function onClick(t,e){var a=e.index,o=this.chart,n,l,s;for(n=0,l=(o.data.datasets||[]).length;n<l;++n){s=o.getDatasetMeta(n);if(s.data[a]){s.data[a].hidden=!s.data[a].hidden}}o.update()}},cutoutPercentage:50,rotation:-.5*Math.PI,circumference:2*Math.PI,tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){var a=t.labels[e.index],o=": "+t.datasets[e.datasetIndex].data[e.index];if(n.isArray(a)){a=a.slice();a[0]+=o}else{a+=o}return a}}}});a._set("pie",n.clone(a.doughnut));a._set("pie",{cutoutPercentage:0});t.exports=function(e){e.controllers.doughnut=e.controllers.pie=e.DatasetController.extend({dataElementType:o.Arc,linkScales:n.noop,getRingIndex:function getRingIndex(e){for(var t=0,a=0;a<e;++a){if(this.chart.isDatasetVisible(a)){++t}}return t},update:function update(e){var t=this,a=t.chart,o=a.chartArea,i=a.options,l=i.elements.arc,s=o.right-o.left-l.borderWidth,d=o.bottom-o.top-l.borderWidth,c=Math.min(s,d),h={x:0,y:0},u=t.getMeta(),m=i.cutoutPercentage,p=i.circumference;if(p<2*Math.PI){var f=i.rotation%(2*Math.PI);f+=2*Math.PI*(f>=Math.PI?-1:f<-Math.PI?1:0);var y=f+p,x={x:Math.cos(f),y:Math.sin(f)},k={x:Math.cos(y),y:Math.sin(y)},_=0>=f&&0<=y||f<=2*Math.PI&&2*Math.PI<=y,v=f<=.5*Math.PI&&.5*Math.PI<=y||f<=2.5*Math.PI&&2.5*Math.PI<=y,S=f<=-Math.PI&&-Math.PI<=y||f<=Math.PI&&Math.PI<=y,w=f<=.5*-Math.PI&&.5*-Math.PI<=y||f<=1.5*Math.PI&&1.5*Math.PI<=y,D=m/100,C={x:S?-1:Math.min(x.x*(0>x.x?1:D),k.x*(0>k.x?1:D)),y:w?-1:Math.min(x.y*(0>x.y?1:D),k.y*(0>k.y?1:D))},P={x:_?1:Math.max(x.x*(0<x.x?1:D),k.x*(0<k.x?1:D)),y:v?1:Math.max(x.y*(0<x.y?1:D),k.y*(0<k.y?1:D))},T={width:.5*(P.x-C.x),height:.5*(P.y-C.y)};c=Math.min(s/T.width,d/T.height);h={x:-.5*(P.x+C.x),y:-.5*(P.y+C.y)}}a.borderWidth=t.getMaxBorderWidth(u.data);a.outerRadius=Math.max((c-a.borderWidth)/2,0);a.innerRadius=Math.max(m?a.outerRadius/100*m:0,0);a.radiusLength=(a.outerRadius-a.innerRadius)/a.getVisibleDatasetCount();a.offsetX=h.x*a.outerRadius;a.offsetY=h.y*a.outerRadius;u.total=t.calculateTotal();t.outerRadius=a.outerRadius-a.radiusLength*t.getRingIndex(t.index);t.innerRadius=Math.max(t.outerRadius-a.radiusLength,0);n.each(u.data,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){var o=this,i=o.chart,l=i.chartArea,s=i.options,d=s.animation,c=(l.left+l.right)/2,h=(l.top+l.bottom)/2,u=s.rotation,m=s.rotation,p=o.getDataset(),f=a&&d.animateRotate?0:e.hidden?0:o.calculateCircumference(p.data[t])*(s.circumference/(2*Math.PI)),y=a&&d.animateScale?0:o.innerRadius,x=a&&d.animateScale?0:o.outerRadius,k=n.valueAtIndexOrDefault;n.extend(e,{_datasetIndex:o.index,_index:t,_model:{x:c+i.offsetX,y:h+i.offsetY,startAngle:u,endAngle:m,circumference:f,outerRadius:x,innerRadius:y,label:k(p.label,t,i.data.labels[t])}});var _=e._model;this.removeHoverStyle(e);if(!a||!d.animateRotate){if(0===t){_.startAngle=s.rotation}else{_.startAngle=o.getMeta().data[t-1]._model.endAngle}_.endAngle=_.startAngle+_.circumference}e.pivot()},removeHoverStyle:function removeHoverStyle(t){e.DatasetController.prototype.removeHoverStyle.call(this,t,this.chart.options.elements.arc)},calculateTotal:function calculateTotal(){var e=this.getDataset(),t=this.getMeta(),a=0,o;n.each(t.data,function(t,i){o=e.data[i];if(!isNaN(o)&&!t.hidden){a+=Math.abs(o)}});return a},calculateCircumference:function calculateCircumference(e){var t=this.getMeta().total;if(0<t&&!isNaN(e)){return 2*Math.PI*(e/t)}return 0},getMaxBorderWidth:function getMaxBorderWidth(e){for(var t=0,a=this.index,o=e.length,n,l,s=0;s<o;s++){n=e[s]._model?e[s]._model.borderWidth:0;l=e[s]._chart?e[s]._chart.config.data.datasets[a].hoverBorderWidth:0;t=n>t?n:t;t=l>t?l:t}return t}})}},{25:25,40:40,45:45}],18:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("line",{showLines:!0,spanGaps:!1,hover:{mode:"label"},scales:{xAxes:[{type:"category",id:"x-axis-0"}],yAxes:[{type:"linear",id:"y-axis-0"}]}});t.exports=function(e){function t(e,t){return n.valueOrDefault(e.showLine,t.showLines)}e.controllers.line=e.DatasetController.extend({datasetElementType:o.Line,dataElementType:o.Point,update:function update(e){var a=this,o=a.getMeta(),l=o.dataset,s=o.data||[],d=a.chart.options,c=d.elements.line,h=a.getScaleForId(o.yAxisID),u,m,p,f=a.getDataset(),y=t(f,d);if(y){p=l.custom||{};if(f.tension!==void 0&&f.lineTension===void 0){f.lineTension=f.tension}l._scale=h;l._datasetIndex=a.index;l._children=s;l._model={spanGaps:f.spanGaps?f.spanGaps:d.spanGaps,tension:p.tension?p.tension:n.valueOrDefault(f.lineTension,c.tension),backgroundColor:p.backgroundColor?p.backgroundColor:f.backgroundColor||c.backgroundColor,borderWidth:p.borderWidth?p.borderWidth:f.borderWidth||c.borderWidth,borderColor:p.borderColor?p.borderColor:f.borderColor||c.borderColor,borderCapStyle:p.borderCapStyle?p.borderCapStyle:f.borderCapStyle||c.borderCapStyle,borderDash:p.borderDash?p.borderDash:f.borderDash||c.borderDash,borderDashOffset:p.borderDashOffset?p.borderDashOffset:f.borderDashOffset||c.borderDashOffset,borderJoinStyle:p.borderJoinStyle?p.borderJoinStyle:f.borderJoinStyle||c.borderJoinStyle,fill:p.fill?p.fill:f.fill!==void 0?f.fill:c.fill,steppedLine:p.steppedLine?p.steppedLine:n.valueOrDefault(f.steppedLine,c.stepped),cubicInterpolationMode:p.cubicInterpolationMode?p.cubicInterpolationMode:n.valueOrDefault(f.cubicInterpolationMode,c.cubicInterpolationMode)};l.pivot()}for(u=0,m=s.length;u<m;++u){a.updateElement(s[u],u,e)}if(y&&0!==l._model.tension){a.updateBezierControlPoints()}for(u=0,m=s.length;u<m;++u){s[u].pivot()}},getPointBackgroundColor:function getPointBackgroundColor(e,t){var a=this.chart.options.elements.point.backgroundColor,o=this.getDataset(),i=e.custom||{};if(i.backgroundColor){a=i.backgroundColor}else if(o.pointBackgroundColor){a=n.valueAtIndexOrDefault(o.pointBackgroundColor,t,a)}else if(o.backgroundColor){a=o.backgroundColor}return a},getPointBorderColor:function getPointBorderColor(e,t){var a=this.chart.options.elements.point.borderColor,o=this.getDataset(),i=e.custom||{};if(i.borderColor){a=i.borderColor}else if(o.pointBorderColor){a=n.valueAtIndexOrDefault(o.pointBorderColor,t,a)}else if(o.borderColor){a=o.borderColor}return a},getPointBorderWidth:function getPointBorderWidth(e,t){var a=this.chart.options.elements.point.borderWidth,o=this.getDataset(),i=e.custom||{};if(!isNaN(i.borderWidth)){a=i.borderWidth}else if(!isNaN(o.pointBorderWidth)||n.isArray(o.pointBorderWidth)){a=n.valueAtIndexOrDefault(o.pointBorderWidth,t,a)}else if(!isNaN(o.borderWidth)){a=o.borderWidth}return a},updateElement:function updateElement(e,t,a){var o=this,i=o.getMeta(),l=e.custom||{},s=o.getDataset(),d=o.index,c=s.data[t],h=o.getScaleForId(i.yAxisID),u=o.getScaleForId(i.xAxisID),m=o.chart.options.elements.point,p,f;if(s.radius!==void 0&&s.pointRadius===void 0){s.pointRadius=s.radius}if(s.hitRadius!==void 0&&s.pointHitRadius===void 0){s.pointHitRadius=s.hitRadius}p=u.getPixelForValue("object"===_typeof(c)?c:NaN,t,d);f=a?h.getBasePixel():o.calculatePointY(c,t,d);e._xScale=u;e._yScale=h;e._datasetIndex=d;e._index=t;e._model={x:p,y:f,skip:l.skip||isNaN(p)||isNaN(f),radius:l.radius||n.valueAtIndexOrDefault(s.pointRadius,t,m.radius),pointStyle:l.pointStyle||n.valueAtIndexOrDefault(s.pointStyle,t,m.pointStyle),backgroundColor:o.getPointBackgroundColor(e,t),borderColor:o.getPointBorderColor(e,t),borderWidth:o.getPointBorderWidth(e,t),tension:i.dataset._model?i.dataset._model.tension:0,steppedLine:i.dataset._model?i.dataset._model.steppedLine:!1,hitRadius:l.hitRadius||n.valueAtIndexOrDefault(s.pointHitRadius,t,m.hitRadius)}},calculatePointY:function calculatePointY(e,t,a){var o=this,n=o.chart,l=o.getMeta(),s=o.getScaleForId(l.yAxisID),d=0,c=0,h,u,m;if(s.options.stacked){for(h=0;h<a;h++){u=n.data.datasets[h];m=n.getDatasetMeta(h);if("line"===m.type&&m.yAxisID===s.id&&n.isDatasetVisible(h)){var p=+s.getRightValue(u.data[t]);if(0>p){c+=p||0}else{d+=p||0}}}var f=+s.getRightValue(e);if(0>f){return s.getPixelForValue(c+f)}return s.getPixelForValue(d+f)}return s.getPixelForValue(e)},updateBezierControlPoints:function updateBezierControlPoints(){var e=this,t=e.getMeta(),a=e.chart.chartArea,o=t.data||[],l,s,d,c,h;if(t.dataset._model.spanGaps){o=o.filter(function(e){return!e._model.skip})}function u(e,t,a){return Math.max(Math.min(e,a),t)}if("monotone"===t.dataset._model.cubicInterpolationMode){n.splineCurveMonotone(o)}else{for(l=0,s=o.length;l<s;++l){d=o[l];c=d._model;h=n.splineCurve(n.previousItem(o,l)._model,c,n.nextItem(o,l)._model,t.dataset._model.tension);c.controlPointPreviousX=h.previous.x;c.controlPointPreviousY=h.previous.y;c.controlPointNextX=h.next.x;c.controlPointNextY=h.next.y}}if(e.chart.options.elements.line.capBezierPoints){for(l=0,s=o.length;l<s;++l){c=o[l]._model;c.controlPointPreviousX=u(c.controlPointPreviousX,a.left,a.right);c.controlPointPreviousY=u(c.controlPointPreviousY,a.top,a.bottom);c.controlPointNextX=u(c.controlPointNextX,a.left,a.right);c.controlPointNextY=u(c.controlPointNextY,a.top,a.bottom)}}},draw:function draw(){var e=this,a=e.chart,o=e.getMeta(),l=o.data||[],s=a.chartArea,d=l.length,c=0;n.canvas.clipArea(a.ctx,s);if(t(e.getDataset(),a.options)){o.dataset.draw()}n.canvas.unclipArea(a.ctx);for(;c<d;++c){l[c].draw(s)}},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model;i.radius=o.hoverRadius||n.valueAtIndexOrDefault(t.pointHoverRadius,a,this.chart.options.elements.point.hoverRadius);i.backgroundColor=o.hoverBackgroundColor||n.valueAtIndexOrDefault(t.pointHoverBackgroundColor,a,n.getHoverColor(i.backgroundColor));i.borderColor=o.hoverBorderColor||n.valueAtIndexOrDefault(t.pointHoverBorderColor,a,n.getHoverColor(i.borderColor));i.borderWidth=o.hoverBorderWidth||n.valueAtIndexOrDefault(t.pointHoverBorderWidth,a,i.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this,a=t.chart.data.datasets[e._datasetIndex],o=e._index,i=e.custom||{},l=e._model;if(a.radius!==void 0&&a.pointRadius===void 0){a.pointRadius=a.radius}l.radius=i.radius||n.valueAtIndexOrDefault(a.pointRadius,o,t.chart.options.elements.point.radius);l.backgroundColor=t.getPointBackgroundColor(e,o);l.borderColor=t.getPointBorderColor(e,o);l.borderWidth=t.getPointBorderWidth(e,o)}})}},{25:25,40:40,45:45}],19:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("polarArea",{scale:{type:"radialLinear",angleLines:{display:!1},gridLines:{circular:!0},pointLabels:{display:!1},ticks:{beginAtZero:!0}},animation:{animateRotate:!0,animateScale:!0},startAngle:-.5*Math.PI,legendCallback:function legendCallback(e){var t=["<ul class=\""+e.id+"-legend\">"],a=e.data,o=a.datasets,n=a.labels;if(o.length){for(var l=0;l<o[0].data.length;++l){t.push("<li><span style=\"background-color:"+o[0].backgroundColor[l]+"\"></span>");if(n[l]){t.push(n[l])}t.push("</li>")}}t.push("</ul>");return t.join("")},legend:{labels:{generateLabels:function generateLabels(e){var t=e.data;if(t.labels.length&&t.datasets.length){return t.labels.map(function(a,o){var i=e.getDatasetMeta(0),l=t.datasets[0],s=i.data[o],d=s.custom||{},c=n.valueAtIndexOrDefault,h=e.options.elements.arc,u=d.backgroundColor?d.backgroundColor:c(l.backgroundColor,o,h.backgroundColor),m=d.borderColor?d.borderColor:c(l.borderColor,o,h.borderColor),p=d.borderWidth?d.borderWidth:c(l.borderWidth,o,h.borderWidth);return{text:a,fillStyle:u,strokeStyle:m,lineWidth:p,hidden:isNaN(l.data[o])||i.data[o].hidden,index:o}})}return[]}},onClick:function onClick(t,e){var a=e.index,o=this.chart,n,l,s;for(n=0,l=(o.data.datasets||[]).length;n<l;++n){s=o.getDatasetMeta(n);s.data[a].hidden=!s.data[a].hidden}o.update()}},tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){return t.labels[e.index]+": "+e.yLabel}}}});t.exports=function(e){e.controllers.polarArea=e.DatasetController.extend({dataElementType:o.Arc,linkScales:n.noop,update:function update(e){var t=this,a=t.chart,o=a.chartArea,i=t.getMeta(),l=a.options,s=l.elements.arc,d=Math.min(o.right-o.left,o.bottom-o.top);a.outerRadius=Math.max((d-s.borderWidth/2)/2,0);a.innerRadius=Math.max(l.cutoutPercentage?a.outerRadius/100*l.cutoutPercentage:1,0);a.radiusLength=(a.outerRadius-a.innerRadius)/a.getVisibleDatasetCount();t.outerRadius=a.outerRadius-a.radiusLength*t.index;t.innerRadius=t.outerRadius-a.radiusLength;i.count=t.countVisibleElements();n.each(i.data,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){for(var o=this,l=o.chart,s=o.getDataset(),d=l.options,c=d.animation,h=l.scale,u=l.data.labels,m=o.calculateCircumference(s.data[t]),p=h.xCenter,f=h.yCenter,y=0,x=o.getMeta(),k=0;k<t;++k){if(!isNaN(s.data[k])&&!x.data[k].hidden){++y}}var _=d.startAngle,v=e.hidden?0:h.getDistanceFromCenterForValue(s.data[t]),S=_+m*y,w=S+(e.hidden?0:m),D=c.animateScale?0:h.getDistanceFromCenterForValue(s.data[t]);n.extend(e,{_datasetIndex:o.index,_index:t,_scale:h,_model:{x:p,y:f,innerRadius:0,outerRadius:a?D:v,startAngle:a&&c.animateRotate?_:S,endAngle:a&&c.animateRotate?_:w,label:n.valueAtIndexOrDefault(u,t,u[t])}});o.removeHoverStyle(e);e.pivot()},removeHoverStyle:function removeHoverStyle(t){e.DatasetController.prototype.removeHoverStyle.call(this,t,this.chart.options.elements.arc)},countVisibleElements:function countVisibleElements(){var e=this.getDataset(),t=this.getMeta(),a=0;n.each(t.data,function(t,o){if(!isNaN(e.data[o])&&!t.hidden){a++}});return a},calculateCircumference:function calculateCircumference(e){var t=this.getMeta().count;if(0<t&&!isNaN(e)){return 2*Math.PI/t}return 0}})}},{25:25,40:40,45:45}],20:[function(e,t){"use strict";var a=e(25),o=e(40),i=e(45);a._set("radar",{scale:{type:"radialLinear"},elements:{line:{tension:0}}});t.exports=function(e){e.controllers.radar=e.DatasetController.extend({datasetElementType:o.Line,dataElementType:o.Point,linkScales:i.noop,update:function update(e){var t=this,a=t.getMeta(),o=a.dataset,n=a.data,l=o.custom||{},s=t.getDataset(),d=t.chart.options.elements.line,c=t.chart.scale;if(s.tension!==void 0&&s.lineTension===void 0){s.lineTension=s.tension}i.extend(a.dataset,{_datasetIndex:t.index,_scale:c,_children:n,_loop:!0,_model:{tension:l.tension?l.tension:i.valueOrDefault(s.lineTension,d.tension),backgroundColor:l.backgroundColor?l.backgroundColor:s.backgroundColor||d.backgroundColor,borderWidth:l.borderWidth?l.borderWidth:s.borderWidth||d.borderWidth,borderColor:l.borderColor?l.borderColor:s.borderColor||d.borderColor,fill:l.fill?l.fill:s.fill!==void 0?s.fill:d.fill,borderCapStyle:l.borderCapStyle?l.borderCapStyle:s.borderCapStyle||d.borderCapStyle,borderDash:l.borderDash?l.borderDash:s.borderDash||d.borderDash,borderDashOffset:l.borderDashOffset?l.borderDashOffset:s.borderDashOffset||d.borderDashOffset,borderJoinStyle:l.borderJoinStyle?l.borderJoinStyle:s.borderJoinStyle||d.borderJoinStyle}});a.dataset.pivot();i.each(n,function(a,o){t.updateElement(a,o,e)},t);t.updateBezierControlPoints()},updateElement:function updateElement(e,t,a){var o=this,n=e.custom||{},l=o.getDataset(),s=o.chart.scale,d=o.chart.options.elements.point,c=s.getPointPositionForValue(t,l.data[t]);if(l.radius!==void 0&&l.pointRadius===void 0){l.pointRadius=l.radius}if(l.hitRadius!==void 0&&l.pointHitRadius===void 0){l.pointHitRadius=l.hitRadius}i.extend(e,{_datasetIndex:o.index,_index:t,_scale:s,_model:{x:a?s.xCenter:c.x,y:a?s.yCenter:c.y,tension:n.tension?n.tension:i.valueOrDefault(l.lineTension,o.chart.options.elements.line.tension),radius:n.radius?n.radius:i.valueAtIndexOrDefault(l.pointRadius,t,d.radius),backgroundColor:n.backgroundColor?n.backgroundColor:i.valueAtIndexOrDefault(l.pointBackgroundColor,t,d.backgroundColor),borderColor:n.borderColor?n.borderColor:i.valueAtIndexOrDefault(l.pointBorderColor,t,d.borderColor),borderWidth:n.borderWidth?n.borderWidth:i.valueAtIndexOrDefault(l.pointBorderWidth,t,d.borderWidth),pointStyle:n.pointStyle?n.pointStyle:i.valueAtIndexOrDefault(l.pointStyle,t,d.pointStyle),hitRadius:n.hitRadius?n.hitRadius:i.valueAtIndexOrDefault(l.pointHitRadius,t,d.hitRadius)}});e._model.skip=n.skip?n.skip:isNaN(e._model.x)||isNaN(e._model.y)},updateBezierControlPoints:function updateBezierControlPoints(){var e=this.chart.chartArea,t=this.getMeta();i.each(t.data,function(a,o){var n=a._model,l=i.splineCurve(i.previousItem(t.data,o,!0)._model,n,i.nextItem(t.data,o,!0)._model,n.tension);n.controlPointPreviousX=Math.max(Math.min(l.previous.x,e.right),e.left);n.controlPointPreviousY=Math.max(Math.min(l.previous.y,e.bottom),e.top);n.controlPointNextX=Math.max(Math.min(l.next.x,e.right),e.left);n.controlPointNextY=Math.max(Math.min(l.next.y,e.bottom),e.top);a.pivot()})},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e.custom||{},o=e._index,n=e._model;n.radius=a.hoverRadius?a.hoverRadius:i.valueAtIndexOrDefault(t.pointHoverRadius,o,this.chart.options.elements.point.hoverRadius);n.backgroundColor=a.hoverBackgroundColor?a.hoverBackgroundColor:i.valueAtIndexOrDefault(t.pointHoverBackgroundColor,o,i.getHoverColor(n.backgroundColor));n.borderColor=a.hoverBorderColor?a.hoverBorderColor:i.valueAtIndexOrDefault(t.pointHoverBorderColor,o,i.getHoverColor(n.borderColor));n.borderWidth=a.hoverBorderWidth?a.hoverBorderWidth:i.valueAtIndexOrDefault(t.pointHoverBorderWidth,o,n.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e.custom||{},o=e._index,n=e._model,l=this.chart.options.elements.point;n.radius=a.radius?a.radius:i.valueAtIndexOrDefault(t.pointRadius,o,l.radius);n.backgroundColor=a.backgroundColor?a.backgroundColor:i.valueAtIndexOrDefault(t.pointBackgroundColor,o,l.backgroundColor);n.borderColor=a.borderColor?a.borderColor:i.valueAtIndexOrDefault(t.pointBorderColor,o,l.borderColor);n.borderWidth=a.borderWidth?a.borderWidth:i.valueAtIndexOrDefault(t.pointBorderWidth,o,l.borderWidth)}})}},{25:25,40:40,45:45}],21:[function(e,t){"use strict";var a=e(25);a._set("scatter",{hover:{mode:"single"},scales:{xAxes:[{id:"x-axis-1",type:"linear",position:"bottom"}],yAxes:[{id:"y-axis-1",type:"linear",position:"left"}]},showLines:!1,tooltips:{callbacks:{title:function title(){return""},label:function label(e){return"("+e.xLabel+", "+e.yLabel+")"}}}});t.exports=function(e){e.controllers.scatter=e.controllers.line}},{25:25}],22:[function(e,t){"use strict";var a=e(25),o=e(26),n=e(45);a._set("global",{animation:{duration:1e3,easing:"easeOutQuart",onProgress:n.noop,onComplete:n.noop}});t.exports=function(e){e.Animation=o.extend({chart:null,currentStep:0,numSteps:60,easing:"",render:null,onAnimationProgress:null,onAnimationComplete:null});e.animationService={frameDuration:17,animations:[],dropFrames:0,request:null,addAnimation:function addAnimation(e,t,a,o){var n=this.animations,l,s;t.chart=e;if(!o){e.animating=!0}for(l=0,s=n.length;l<s;++l){if(n[l].chart===e){n[l]=t;return}}n.push(t);if(1===n.length){this.requestAnimationFrame()}},cancelAnimation:function cancelAnimation(e){var t=n.findIndex(this.animations,function(t){return t.chart===e});if(-1!==t){this.animations.splice(t,1);e.animating=!1}},requestAnimationFrame:function requestAnimationFrame(){var e=this;if(null===e.request){e.request=n.requestAnimFrame.call(window,function(){e.request=null;e.startDigest()})}},startDigest:function startDigest(){var e=this,t=Date.now(),a=0;if(1<e.dropFrames){a=Math.floor(e.dropFrames);e.dropFrames=e.dropFrames%1}e.advance(1+a);var o=Date.now();e.dropFrames+=(o-t)/e.frameDuration;if(0<e.animations.length){e.requestAnimationFrame()}},advance:function advance(e){var t=this.animations,a,o,l=0;while(l<t.length){a=t[l];o=a.chart;a.currentStep=(a.currentStep||0)+e;a.currentStep=Math.min(a.currentStep,a.numSteps);n.callback(a.render,[o,a],o);n.callback(a.onAnimationProgress,[a],o);if(a.currentStep>=a.numSteps){n.callback(a.onAnimationComplete,[a],o);o.animating=!1;t.splice(l,1)}else{++l}}}};Object.defineProperty(e.Animation.prototype,"animationObject",{get:function get(){return this}});Object.defineProperty(e.Animation.prototype,"chartInstance",{get:function get(){return this.chart},set:function set(e){this.chart=e}})}},{25:25,26:26,45:45}],23:[function(e,t){"use strict";var a=e(25),o=e(45),i=e(28),n=e(48);t.exports=function(e){var t=e.plugins;e.types={};e.instances={};e.controllers={};function l(e){e=e||{};var t=e.data=e.data||{};t.datasets=t.datasets||[];t.labels=t.labels||[];e.options=o.configMerge(a.global,a[e.type],e.options||{});return e}function s(e){var t=e.options;if(t.scale){e.scale.options=t.scale}else if(t.scales){t.scales.xAxes.concat(t.scales.yAxes).forEach(function(t){e.scales[t.id].options=t})}e.tooltip._options=t.tooltips}function d(e){return"top"===e||"bottom"===e}o.extend(e.prototype,{construct:function construct(t,a){var i=this;a=l(a);var s=n.acquireContext(t,a),d=s&&s.canvas,c=d&&d.height,h=d&&d.width;i.id=o.uid();i.ctx=s;i.canvas=d;i.config=a;i.width=h;i.height=c;i.aspectRatio=c?h/c:null;i.options=a.options;i._bufferedRender=!1;i.chart=i;i.controller=i;e.instances[i.id]=i;Object.defineProperty(i,"data",{get:function get(){return i.config.data},set:function set(e){i.config.data=e}});if(!s||!d){console.error("Failed to create chart: can't acquire context from the given item");return}i.initialize();i.update()},initialize:function initialize(){var e=this;t.notify(e,"beforeInit");o.retinaScale(e,e.options.devicePixelRatio);e.bindEvents();if(e.options.responsive){e.resize(!0)}e.ensureScalesHaveIDs();e.buildScales();e.initToolTip();t.notify(e,"afterInit");return e},clear:function clear(){o.canvas.clear(this);return this},stop:function stop(){e.animationService.cancelAnimation(this);return this},resize:function resize(e){var a=this,i=a.options,n=a.canvas,l=i.maintainAspectRatio&&a.aspectRatio||null,s=Math.max(0,Math.floor(o.getMaximumWidth(n))),d=Math.max(0,Math.floor(l?s/l:o.getMaximumHeight(n)));if(a.width===s&&a.height===d){return}n.width=a.width=s;n.height=a.height=d;n.style.width=s+"px";n.style.height=d+"px";o.retinaScale(a,i.devicePixelRatio);if(!e){var c={width:s,height:d};t.notify(a,"resize",[c]);if(a.options.onResize){a.options.onResize(a,c)}a.stop();a.update(a.options.responsiveAnimationDuration)}},ensureScalesHaveIDs:function ensureScalesHaveIDs(){var e=this.options,t=e.scales||{},a=e.scale;o.each(t.xAxes,function(e,t){e.id=e.id||"x-axis-"+t});o.each(t.yAxes,function(e,t){e.id=e.id||"y-axis-"+t});if(a){a.id=a.id||"scale"}},buildScales:function buildScales(){var t=this,a=t.options,i=t.scales={},n=[];if(a.scales){n=n.concat((a.scales.xAxes||[]).map(function(e){return{options:e,dtype:"category",dposition:"bottom"}}),(a.scales.yAxes||[]).map(function(e){return{options:e,dtype:"linear",dposition:"left"}}))}if(a.scale){n.push({options:a.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"})}o.each(n,function(a){var n=a.options,l=o.valueOrDefault(n.type,a.dtype),s=e.scaleService.getScaleConstructor(l);if(!s){return}if(d(n.position)!==d(a.dposition)){n.position=a.dposition}var c=new s({id:n.id,options:n,ctx:t.ctx,chart:t});i[c.id]=c;c.mergeTicksOptions();if(a.isDefault){t.scale=c}});e.scaleService.addScalesToLayout(this)},buildOrUpdateControllers:function buildOrUpdateControllers(){var t=this,a=[],i=[];o.each(t.data.datasets,function(o,n){var l=t.getDatasetMeta(n),s=o.type||t.config.type;if(l.type&&l.type!==s){t.destroyDatasetMeta(n);l=t.getDatasetMeta(n)}l.type=s;a.push(l.type);if(l.controller){l.controller.updateIndex(n)}else{var d=e.controllers[l.type];if(d===void 0){throw new Error("\""+l.type+"\" is not a chart type.")}l.controller=new d(t,n);i.push(l.controller)}},t);return i},resetElements:function resetElements(){var e=this;o.each(e.data.datasets,function(t,a){e.getDatasetMeta(a).controller.reset()},e)},reset:function reset(){this.resetElements();this.tooltip.initialize()},update:function update(e){var a=this;if(!e||"object"!==_typeof(e)){e={duration:e,lazy:arguments[1]}}s(a);if(!1===t.notify(a,"beforeUpdate")){return}a.tooltip._data=a.data;var i=a.buildOrUpdateControllers();o.each(a.data.datasets,function(e,t){a.getDatasetMeta(t).controller.buildOrUpdateElements()},a);a.updateLayout();o.each(i,function(e){e.reset()});a.updateDatasets();t.notify(a,"afterUpdate");if(a._bufferedRender){a._bufferedRequest={duration:e.duration,easing:e.easing,lazy:e.lazy}}else{a.render(e)}},updateLayout:function updateLayout(){var a=this;if(!1===t.notify(a,"beforeLayout")){return}e.layoutService.update(this,this.width,this.height);t.notify(a,"afterScaleUpdate");t.notify(a,"afterLayout")},updateDatasets:function updateDatasets(){var e=this;if(!1===t.notify(e,"beforeDatasetsUpdate")){return}for(var a=0,o=e.data.datasets.length;a<o;++a){e.updateDataset(a)}t.notify(e,"afterDatasetsUpdate")},updateDataset:function updateDataset(e){var a=this,o=a.getDatasetMeta(e),i={meta:o,index:e};if(!1===t.notify(a,"beforeDatasetUpdate",[i])){return}o.controller.update();t.notify(a,"afterDatasetUpdate",[i])},render:function render(a){var i=this;if(!a||"object"!==_typeof(a)){a={duration:a,lazy:arguments[1]}}var n=a.duration,l=a.lazy;if(!1===t.notify(i,"beforeRender")){return}var s=i.options.animation,d=function(e){t.notify(i,"afterRender");o.callback(s&&s.onComplete,[e],i)};if(s&&("undefined"!=typeof n&&0!==n||"undefined"==typeof n&&0!==s.duration)){var c=new e.Animation({numSteps:(n||s.duration)/16.66,easing:a.easing||s.easing,render:function render(e,t){var a=o.easing.effects[t.easing],i=t.currentStep,n=i/t.numSteps;e.draw(a(n),n,i)},onAnimationProgress:s.onProgress,onAnimationComplete:d});e.animationService.addAnimation(i,c,n,l)}else{i.draw();d(new e.Animation({numSteps:0,chart:i}))}return i},draw:function draw(e){var a=this;a.clear();if(o.isNullOrUndef(e)){e=1}a.transition(e);if(!1===t.notify(a,"beforeDraw",[e])){return}o.each(a.boxes,function(e){e.draw(a.chartArea)},a);if(a.scale){a.scale.draw()}a.drawDatasets(e);a.tooltip.draw();t.notify(a,"afterDraw",[e])},transition:function transition(e){for(var t=this,a=0,o=(t.data.datasets||[]).length;a<o;++a){if(t.isDatasetVisible(a)){t.getDatasetMeta(a).controller.transition(e)}}t.tooltip.transition(e)},drawDatasets:function drawDatasets(e){var a=this;if(!1===t.notify(a,"beforeDatasetsDraw",[e])){return}for(var o=(a.data.datasets||[]).length-1;0<=o;--o){if(a.isDatasetVisible(o)){a.drawDataset(o,e)}}t.notify(a,"afterDatasetsDraw",[e])},drawDataset:function drawDataset(e,a){var o=this,i=o.getDatasetMeta(e),n={meta:i,index:e,easingValue:a};if(!1===t.notify(o,"beforeDatasetDraw",[n])){return}i.controller.draw(a);t.notify(o,"afterDatasetDraw",[n])},getElementAtEvent:function getElementAtEvent(t){return i.modes.single(this,t)},getElementsAtEvent:function getElementsAtEvent(t){return i.modes.label(this,t,{intersect:!0})},getElementsAtXAxis:function getElementsAtXAxis(t){return i.modes["x-axis"](this,t,{intersect:!0})},getElementsAtEventForMode:function getElementsAtEventForMode(t,e,a){var o=i.modes[e];if("function"==typeof o){return o(this,t,a)}return[]},getDatasetAtEvent:function getDatasetAtEvent(t){return i.modes.dataset(this,t,{intersect:!0})},getDatasetMeta:function getDatasetMeta(e){var t=this,a=t.data.datasets[e];if(!a._meta){a._meta={}}var o=a._meta[t.id];if(!o){o=a._meta[t.id]={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null}}return o},getVisibleDatasetCount:function getVisibleDatasetCount(){for(var e=0,t=0,a=this.data.datasets.length;t<a;++t){if(this.isDatasetVisible(t)){e++}}return e},isDatasetVisible:function isDatasetVisible(e){var t=this.getDatasetMeta(e);return"boolean"==typeof t.hidden?!t.hidden:!this.data.datasets[e].hidden},generateLegend:function generateLegend(){return this.options.legendCallback(this)},destroyDatasetMeta:function destroyDatasetMeta(e){var t=this.id,a=this.data.datasets[e],o=a._meta&&a._meta[t];if(o){o.controller.destroy();delete a._meta[t]}},destroy:function destroy(){var 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this.getPixelForValue(this.getBaseValue())},getBaseValue:function getBaseValue(){var e=this,t=e.min,a=e.max;return e.beginAtZero?0:0>t&&0>a?a:0<t&&0<a?t:0},_autoSkip:function _autoSkip(e){var t,a=this,o=a.isHorizontal(),l=a.options.ticks.minor,s=e.length,d=n.toRadians(a.labelRotation),c=Math.cos(d),h=a.longestLabelWidth*c,u=[],m,p,f,y;if(l.maxTicksLimit){y=l.maxTicksLimit}if(o){t=!1;if((h+l.autoSkipPadding)*s>a.width-(a.paddingLeft+a.paddingRight)){t=1+Math.floor((h+l.autoSkipPadding)*s/(a.width-(a.paddingLeft+a.paddingRight)))}if(y&&s>y){t=Math.max(t,Math.floor(s/y))}}for(m=0;m<s;m++){p=e[m];f=1<t&&0<m%t||0==m%t&&m+t>=s;if(f&&m!==s-1||n.isNullOrUndef(p.label)){delete p.label}u.push(p)}return u},draw:function draw(e){var t=this,o=t.options;if(!o.display){return}var s=t.ctx,c=a.global,h=o.ticks.minor,u=o.ticks.major||h,m=o.gridLines,p=o.scaleLabel,f=0!==t.labelRotation,y=t.isHorizontal(),x=h.autoSkip?t._autoSkip(t.getTicks()):t.getTicks(),k=n.valueOrDefault(h.fontColor,c.defaultFontColor),_=i(h),v=n.valueOrDefault(u.fontColor,c.defaultFontColor),S=i(u),w=m.drawTicks?m.tickMarkLength:0,D=n.valueOrDefault(p.fontColor,c.defaultFontColor),C=i(p),P=n.options.toPadding(p.padding),T=n.toRadians(t.labelRotation),O=[],I="right"===o.position?t.left:t.right-w,A="right"===o.position?t.left+w:t.right,M="bottom"===o.position?t.top:t.bottom-w,R="bottom"===o.position?t.top+w:t.bottom;n.each(x,function(a,i){if(a.label===void 0){return}var l=a.label,s,u,p,k;if(i===t.zeroLineIndex&&o.offset===m.offsetGridLines){s=m.zeroLineWidth;u=m.zeroLineColor;p=m.zeroLineBorderDash;k=m.zeroLineBorderDashOffset}else{s=n.valueAtIndexOrDefault(m.lineWidth,i);u=n.valueAtIndexOrDefault(m.color,i);p=n.valueOrDefault(m.borderDash,c.borderDash);k=n.valueOrDefault(m.borderDashOffset,c.borderDashOffset)}var _,v,S,D,C,P,F,L,W,Y,z="middle",H="middle",B=h.padding;if(y){var E=w+B;if("bottom"===o.position){H=!f?"top":"middle";z=!f?"center":"right";Y=t.top+E}else{H=!f?"bottom":"middle";z=!f?"center":"left";Y=t.bottom-E}var V=d(t,i,m.offsetGridLines&&1<x.length);if(V<t.left){u="rgba(0,0,0,0)"}V+=n.aliasPixel(s);W=t.getPixelForTick(i)+h.labelOffset;_=S=C=F=V;v=M;D=R;P=e.top;L=e.bottom}else{var N="left"===o.position,U;if(h.mirror){z=N?"left":"right";U=B}else{z=N?"right":"left";U=w+B}W=N?t.right-U:t.left+U;var j=d(t,i,m.offsetGridLines&&1<x.length);if(j<t.top){u="rgba(0,0,0,0)"}j+=n.aliasPixel(s);Y=t.getPixelForTick(i)+h.labelOffset;_=I;S=A;C=e.left;F=e.right;v=D=P=L=j}O.push({tx1:_,ty1:v,tx2:S,ty2:D,x1:C,y1:P,x2:F,y2:L,labelX:W,labelY:Y,glWidth:s,glColor:u,glBorderDash:p,glBorderDashOffset:k,rotation:-1*T,label:l,major:a.major,textBaseline:H,textAlign:z})});n.each(O,function(e){if(m.display){s.save();s.lineWidth=e.glWidth;s.strokeStyle=e.glColor;if(s.setLineDash){s.setLineDash(e.glBorderDash);s.lineDashOffset=e.glBorderDashOffset}s.beginPath();if(m.drawTicks){s.moveTo(e.tx1,e.ty1);s.lineTo(e.tx2,e.ty2)}if(m.drawOnChartArea){s.moveTo(e.x1,e.y1);s.lineTo(e.x2,e.y2)}s.stroke();s.restore()}if(h.display){s.save();s.translate(e.labelX,e.labelY);s.rotate(e.rotation);s.font=e.major?S.font:_.font;s.fillStyle=e.major?v:k;s.textBaseline=e.textBaseline;s.textAlign=e.textAlign;var t=e.label;if(n.isArray(t)){for(var a=0,o=0;a<t.length;++a){s.fillText(""+t[a],0,o);o+=1.5*_.size}}else{s.fillText(t,0,0)}s.restore()}});if(p.display){var F,L,W=0,Y=l(p)/2;if(y){F=t.left+(t.right-t.left)/2;L="bottom"===o.position?t.bottom-Y-P.bottom:t.top+Y+P.top}else{var z="left"===o.position;F=z?t.left+Y+P.top:t.right-Y-P.top;L=t.top+(t.bottom-t.top)/2;W=z?-.5*Math.PI:.5*Math.PI}s.save();s.translate(F,L);s.rotate(W);s.textAlign="center";s.textBaseline="middle";s.fillStyle=D;s.font=C.font;s.fillText(p.labelString,0,0);s.restore()}if(m.drawBorder){s.lineWidth=n.valueAtIndexOrDefault(m.lineWidth,0);s.strokeStyle=n.valueAtIndexOrDefault(m.color,0);var H=t.left,B=t.right,E=t.top,V=t.bottom,N=n.aliasPixel(s.lineWidth);if(y){E=V="top"===o.position?t.bottom:t.top;E+=N;V+=N}else{H=B="left"===o.position?t.right:t.left;H+=N;B+=N}s.beginPath();s.moveTo(H,E);s.lineTo(B,V);s.stroke()}}})}},{25:25,26:26,34:34,45:45}],33:[function(e,t){"use strict";var a=e(25),o=e(45);t.exports=function(e){e.scaleService={constructors:{},defaults:{},registerScaleType:function registerScaleType(e,t,a){this.constructors[e]=t;this.defaults[e]=o.clone(a)},getScaleConstructor:function getScaleConstructor(e){return this.constructors.hasOwnProperty(e)?this.constructors[e]:void 0},getScaleDefaults:function getScaleDefaults(e){return this.defaults.hasOwnProperty(e)?o.merge({},[a.scale,this.defaults[e]]):{}},updateScaleDefaults:function updateScaleDefaults(e,t){var a=this;if(a.defaults.hasOwnProperty(e)){a.defaults[e]=o.extend(a.defaults[e],t)}},addScalesToLayout:function addScalesToLayout(t){o.each(t.scales,function(a){a.fullWidth=a.options.fullWidth;a.position=a.options.position;a.weight=a.options.weight;e.layoutService.addBox(t,a)})}}}},{25:25,45:45}],34:[function(e,t){"use strict";var a=e(45);t.exports={generators:{linear:function linear(e,t){var o=[],i;if(e.stepSize&&0<e.stepSize){i=e.stepSize}else{var n=a.niceNum(t.max-t.min,!1);i=a.niceNum(n/(e.maxTicks-1),!0)}var l=Math.floor(t.min/i)*i,s=Math.ceil(t.max/i)*i;if(e.min&&e.max&&e.stepSize){if(a.almostWhole((e.max-e.min)/e.stepSize,i/1e3)){l=e.min;s=e.max}}var d=(s-l)/i;if(a.almostEquals(d,Math.round(d),i/1e3)){d=Math.round(d)}else{d=Math.ceil(d)}o.push(e.min!==void 0?e.min:l);for(var c=1;c<d;++c){o.push(l+c*i)}o.push(e.max!==void 0?e.max:s);return o},logarithmic:function logarithmic(e,t){var o=[],i=a.valueOrDefault,n=i(e.min,Math.pow(10,Math.floor(a.log10(t.min)))),l=Math.floor(a.log10(t.max)),s=Math.ceil(t.max/Math.pow(10,l)),d,c;if(0===n){d=Math.floor(a.log10(t.minNotZero));c=Math.floor(t.minNotZero/Math.pow(10,d));o.push(n);n=c*Math.pow(10,d)}else{d=Math.floor(a.log10(n));c=Math.floor(n/Math.pow(10,d))}do{o.push(n);++c;if(10===c){c=1;++d}n=c*Math.pow(10,d)}while(d<l||d===l&&c<s);var h=i(e.max,n);o.push(h);return o}},formatters:{values:function values(e){return a.isArray(e)?e:""+e},linear:function linear(e,t,o){var i=3<o.length?o[2]-o[1]:o[1]-o[0];if(1<Math.abs(i)){if(e!==Math.floor(e)){i=e-Math.floor(e)}}var n=a.log10(Math.abs(i)),l="";if(0!==e){var s=-1*Math.floor(n);s=Math.max(Math.min(s,20),0);l=e.toFixed(s)}else{l="0"}return l},logarithmic:function logarithmic(e,t,o){var i=e/Math.pow(10,Math.floor(a.log10(e)));if(0===e){return"0"}else if(1===i||2===i||5===i||0===t||t===o.length-1){return e.toExponential()}return""}}}},{45:45}],35:[function(e,t){"use strict";var a=e(25),o=e(26),n=e(45);a._set("global",{tooltips:{enabled:!0,custom:null,mode:"nearest",position:"average",intersect:!0,backgroundColor:"rgba(0,0,0,0.8)",titleFontStyle:"bold",titleSpacing:2,titleMarginBottom:6,titleFontColor:"#fff",titleAlign:"left",bodySpacing:2,bodyFontColor:"#fff",bodyAlign:"left",footerFontStyle:"bold",footerSpacing:2,footerMarginTop:6,footerFontColor:"#fff",footerAlign:"left",yPadding:6,xPadding:6,caretPadding:2,caretSize:5,cornerRadius:6,multiKeyBackground:"#fff",displayColors:!0,borderColor:"rgba(0,0,0,0)",borderWidth:0,callbacks:{beforeTitle:n.noop,title:function(e,t){var a="",o=t.labels,i=o?o.length:0;if(0<e.length){var n=e[0];if(n.xLabel){a=n.xLabel}else if(0<i&&n.index<i){a=o[n.index]}}return a},afterTitle:n.noop,beforeBody:n.noop,beforeLabel:n.noop,label:function(e,t){var a=t.datasets[e.datasetIndex].label||"";if(a){a+=": "}a+=e.yLabel;return a},labelColor:function labelColor(e,t){var a=t.getDatasetMeta(e.datasetIndex),o=a.data[e.index],i=o._view;return{borderColor:i.borderColor,backgroundColor:i.backgroundColor}},labelTextColor:function labelTextColor(){return this._options.bodyFontColor},afterLabel:n.noop,afterBody:n.noop,beforeFooter:n.noop,footer:n.noop,afterFooter:n.noop}}});t.exports=function(e){function t(e,t){var a=n.color(e);return a.alpha(t*a.alpha()).rgbaString()}function i(e,t){if(t){if(n.isArray(t)){Array.prototype.push.apply(e,t)}else{e.push(t)}}return e}function l(e){var t=e._xScale,a=e._yScale||e._scale,o=e._index,i=e._datasetIndex;return{xLabel:t?t.getLabelForIndex(o,i):"",yLabel:a?a.getLabelForIndex(o,i):"",index:o,datasetIndex:i,x:e._model.x,y:e._model.y}}function s(e){var t=a.global,o=n.valueOrDefault;return{xPadding:e.xPadding,yPadding:e.yPadding,xAlign:e.xAlign,yAlign:e.yAlign,bodyFontColor:e.bodyFontColor,_bodyFontFamily:o(e.bodyFontFamily,t.defaultFontFamily),_bodyFontStyle:o(e.bodyFontStyle,t.defaultFontStyle),_bodyAlign:e.bodyAlign,bodyFontSize:o(e.bodyFontSize,t.defaultFontSize),bodySpacing:e.bodySpacing,titleFontColor:e.titleFontColor,_titleFontFamily:o(e.titleFontFamily,t.defaultFontFamily),_titleFontStyle:o(e.titleFontStyle,t.defaultFontStyle),titleFontSize:o(e.titleFontSize,t.defaultFontSize),_titleAlign:e.titleAlign,titleSpacing:e.titleSpacing,titleMarginBottom:e.titleMarginBottom,footerFontColor:e.footerFontColor,_footerFontFamily:o(e.footerFontFamily,t.defaultFontFamily),_footerFontStyle:o(e.footerFontStyle,t.defaultFontStyle),footerFontSize:o(e.footerFontSize,t.defaultFontSize),_footerAlign:e.footerAlign,footerSpacing:e.footerSpacing,footerMarginTop:e.footerMarginTop,caretSize:e.caretSize,cornerRadius:e.cornerRadius,backgroundColor:e.backgroundColor,opacity:0,legendColorBackground:e.multiKeyBackground,displayColors:e.displayColors,borderColor:e.borderColor,borderWidth:e.borderWidth}}function d(e,t){var a=e._chart.ctx,o=2*t.yPadding,i=0,l=t.body,s=l.reduce(function(e,t){return e+t.before.length+t.lines.length+t.after.length},0);s+=t.beforeBody.length+t.afterBody.length;var d=t.title.length,c=t.footer.length,h=t.titleFontSize,u=t.bodyFontSize,m=t.footerFontSize;o+=d*h;o+=d?(d-1)*t.titleSpacing:0;o+=d?t.titleMarginBottom:0;o+=s*u;o+=s?(s-1)*t.bodySpacing:0;o+=c?t.footerMarginTop:0;o+=c*m;o+=c?(c-1)*t.footerSpacing:0;var p=0,f=function(e){i=Math.max(i,a.measureText(e).width+p)};a.font=n.fontString(h,t._titleFontStyle,t._titleFontFamily);n.each(t.title,f);a.font=n.fontString(u,t._bodyFontStyle,t._bodyFontFamily);n.each(t.beforeBody.concat(t.afterBody),f);p=t.displayColors?u+2:0;n.each(l,function(e){n.each(e.before,f);n.each(e.lines,f);n.each(e.after,f)});p=0;a.font=n.fontString(m,t._footerFontStyle,t._footerFontFamily);n.each(t.footer,f);i+=2*t.xPadding;return{width:i,height:o}}function c(e,t){var a=e._model,o=e._chart,i=e._chart.chartArea,n="center",l="center";if(a.y<t.height){l="top"}else if(a.y>o.height-t.height){l="bottom"}var s,d,c,h,u,m=(i.left+i.right)/2,p=(i.top+i.bottom)/2;if("center"===l){s=function(e){return e<=m};d=function(e){return e>m}}else{s=function(e){return e<=t.width/2};d=function(e){return e>=o.width-t.width/2}}c=function(e){return e+t.width>o.width};h=function(e){return 0>e-t.width};u=function(e){return e<=p?"top":"bottom"};if(s(a.x)){n="left";if(c(a.x)){n="center";l=u(a.y)}}else if(d(a.x)){n="right";if(h(a.x)){n="center";l=u(a.y)}}var f=e._options;return{xAlign:f.xAlign?f.xAlign:n,yAlign:f.yAlign?f.yAlign:l}}function h(e,t,a){var o=e.x,i=e.y,n=e.caretSize,l=e.caretPadding,s=e.cornerRadius,d=a.xAlign,c=a.yAlign,h=n+l,u=s+l;if("right"===d){o-=t.width}else if("center"===d){o-=t.width/2}if("top"===c){i+=h}else if("bottom"===c){i-=t.height+h}else{i-=t.height/2}if("center"===c){if("left"===d){o+=h}else if("right"===d){o-=h}}else if("left"===d){o-=u}else if("right"===d){o+=u}return{x:o,y:i}}e.Tooltip=o.extend({initialize:function initialize(){this._model=s(this._options)},getTitle:function getTitle(){var e=this,t=e._options,a=t.callbacks,o=a.beforeTitle.apply(e,arguments),n=a.title.apply(e,arguments),l=a.afterTitle.apply(e,arguments),s=[];s=i(s,o);s=i(s,n);s=i(s,l);return s},getBeforeBody:function getBeforeBody(){var e=this._options.callbacks.beforeBody.apply(this,arguments);return n.isArray(e)?e:e!==void 0?[e]:[]},getBody:function getBody(e,t){var a=this,o=a._options.callbacks,l=[];n.each(e,function(e){var n={before:[],lines:[],after:[]};i(n.before,o.beforeLabel.call(a,e,t));i(n.lines,o.label.call(a,e,t));i(n.after,o.afterLabel.call(a,e,t));l.push(n)});return l},getAfterBody:function getAfterBody(){var e=this._options.callbacks.afterBody.apply(this,arguments);return n.isArray(e)?e:e!==void 0?[e]:[]},getFooter:function getFooter(){var e=this,t=e._options.callbacks,a=t.beforeFooter.apply(e,arguments),o=t.footer.apply(e,arguments),n=t.afterFooter.apply(e,arguments),l=[];l=i(l,a);l=i(l,o);l=i(l,n);return l},update:function update(t){var a=this,o=a._options,u=a._model,m=a._model=s(o),p=a._active,f=a._data,y={xAlign:u.xAlign,yAlign:u.yAlign},x={x:u.x,y:u.y},k={width:u.width,height:u.height},_={x:u.caretX,y:u.caretY},v,S;if(p.length){m.opacity=1;var w=[],D=[];_=e.Tooltip.positioners[o.position](p,a._eventPosition);var C=[];for(v=0,S=p.length;v<S;++v){C.push(l(p[v]))}if(o.filter){C=C.filter(function(e){return o.filter(e,f)})}if(o.itemSort){C=C.sort(function(e,t){return o.itemSort(e,t,f)})}n.each(C,function(e){w.push(o.callbacks.labelColor.call(a,e,a._chart));D.push(o.callbacks.labelTextColor.call(a,e,a._chart))});m.title=a.getTitle(C,f);m.beforeBody=a.getBeforeBody(C,f);m.body=a.getBody(C,f);m.afterBody=a.getAfterBody(C,f);m.footer=a.getFooter(C,f);m.x=Math.round(_.x);m.y=Math.round(_.y);m.caretPadding=o.caretPadding;m.labelColors=w;m.labelTextColors=D;m.dataPoints=C;k=d(this,m);y=c(this,k);x=h(m,k,y)}else{m.opacity=0}m.xAlign=y.xAlign;m.yAlign=y.yAlign;m.x=x.x;m.y=x.y;m.width=k.width;m.height=k.height;m.caretX=_.x;m.caretY=_.y;a._model=m;if(t&&o.custom){o.custom.call(a,m)}return a},drawCaret:function drawCaret(e,t){var a=this._chart.ctx,o=this._view,i=this.getCaretPosition(e,t,o);a.lineTo(i.x1,i.y1);a.lineTo(i.x2,i.y2);a.lineTo(i.x3,i.y3)},getCaretPosition:function getCaretPosition(e,t,a){var o,i,n,l,s,d,c=a.caretSize,h=a.cornerRadius,u=a.xAlign,m=a.yAlign,p=e.x,f=e.y,y=t.width,x=t.height;if("center"===m){s=f+x/2;if("left"===u){o=p;i=o-c;n=o;l=s+c;d=s-c}else{o=p+y;i=o+c;n=o;l=s-c;d=s+c}}else{if("left"===u){i=p+h+c;o=i-c;n=i+c}else if("right"===u){i=p+y-h-c;o=i-c;n=i+c}else{i=p+y/2;o=i-c;n=i+c}if("top"===m){l=f;s=l-c;d=l}else{l=f+x;s=l+c;d=l;var k=n;n=o;o=k}}return{x1:o,x2:i,x3:n,y1:l,y2:s,y3:d}},drawTitle:function drawTitle(e,a,o,l){var s=a.title;if(s.length){o.textAlign=a._titleAlign;o.textBaseline="top";var d=a.titleFontSize,c=a.titleSpacing;o.fillStyle=t(a.titleFontColor,l);o.font=n.fontString(d,a._titleFontStyle,a._titleFontFamily);var h,u;for(h=0,u=s.length;h<u;++h){o.fillText(s[h],e.x,e.y);e.y+=d+c;if(h+1===s.length){e.y+=a.titleMarginBottom-c}}}},drawBody:function drawBody(e,a,o,l){var s=a.bodyFontSize,d=a.bodySpacing,c=a.body;o.textAlign=a._bodyAlign;o.textBaseline="top";o.font=n.fontString(s,a._bodyFontStyle,a._bodyFontFamily);var h=0,u=function(t){o.fillText(t,e.x+h,e.y);e.y+=s+d};n.each(a.beforeBody,u);var m=a.displayColors;h=m?s+2:0;n.each(c,function(d,c){n.each(d.before,u);n.each(d.lines,function(i){if(m){o.fillStyle=t(a.legendColorBackground,l);o.fillRect(e.x,e.y,s,s);o.lineWidth=1;o.strokeStyle=t(a.labelColors[c].borderColor,l);o.strokeRect(e.x,e.y,s,s);o.fillStyle=t(a.labelColors[c].backgroundColor,l);o.fillRect(e.x+1,e.y+1,s-2,s-2);var n=t(a.labelTextColors[c],l);o.fillStyle=n}u(i)});n.each(d.after,u)});h=0;n.each(a.afterBody,u);e.y-=d},drawFooter:function drawFooter(e,a,o,i){var l=a.footer;if(l.length){e.y+=a.footerMarginTop;o.textAlign=a._footerAlign;o.textBaseline="top";o.fillStyle=t(a.footerFontColor,i);o.font=n.fontString(a.footerFontSize,a._footerFontStyle,a._footerFontFamily);n.each(l,function(t){o.fillText(t,e.x,e.y);e.y+=a.footerFontSize+a.footerSpacing})}},drawBackground:function drawBackground(e,a,o,i,n){o.fillStyle=t(a.backgroundColor,n);o.strokeStyle=t(a.borderColor,n);o.lineWidth=a.borderWidth;var l=a.xAlign,s=a.yAlign,d=e.x,c=e.y,h=i.width,u=i.height,m=a.cornerRadius;o.beginPath();o.moveTo(d+m,c);if("top"===s){this.drawCaret(e,i)}o.lineTo(d+h-m,c);o.quadraticCurveTo(d+h,c,d+h,c+m);if("center"===s&&"right"===l){this.drawCaret(e,i)}o.lineTo(d+h,c+u-m);o.quadraticCurveTo(d+h,c+u,d+h-m,c+u);if("bottom"===s){this.drawCaret(e,i)}o.lineTo(d+m,c+u);o.quadraticCurveTo(d,c+u,d,c+u-m);if("center"===s&&"left"===l){this.drawCaret(e,i)}o.lineTo(d,c+m);o.quadraticCurveTo(d,c,d+m,c);o.closePath();o.fill();if(0<a.borderWidth){o.stroke()}},draw:function draw(){var e=this._chart.ctx,t=this._view;if(0===t.opacity){return}var a={width:t.width,height:t.height},o={x:t.x,y:t.y},i=Math.abs(1e-3>t.opacity)?0:t.opacity,n=t.title.length||t.beforeBody.length||t.body.length||t.afterBody.length||t.footer.length;if(this._options.enabled&&n){this.drawBackground(o,t,e,a,i);o.x+=t.xPadding;o.y+=t.yPadding;this.drawTitle(o,t,e,i);this.drawBody(o,t,e,i);this.drawFooter(o,t,e,i)}},handleEvent:function handleEvent(t){var e=this,a=e._options,o=!1;e._lastActive=e._lastActive||[];if("mouseout"===t.type){e._active=[]}else{e._active=e._chart.getElementsAtEventForMode(t,a.mode,a)}o=!n.arrayEquals(e._active,e._lastActive);if(!o){return!1}e._lastActive=e._active;if(a.enabled||a.custom){e._eventPosition={x:t.x,y:t.y};var i=e._model;e.update(!0);e.pivot();o|=i.x!==e._model.x||i.y!==e._model.y}return o}});e.Tooltip.positioners={average:function average(e){if(!e.length){return!1}var t,a,o=0,n=0,l=0;for(t=0,a=e.length;t<a;++t){var s=e[t];if(s&&s.hasValue()){var d=s.tooltipPosition();o+=d.x;n+=d.y;++l}}return{x:Math.round(o/l),y:Math.round(n/l)}},nearest:function nearest(e,t){var a=t.x,o=t.y,l=Number.POSITIVE_INFINITY,s,c,h;for(s=0,c=e.length;s<c;++s){var u=e[s];if(u&&u.hasValue()){var m=u.getCenterPoint(),p=n.distanceBetweenPoints(t,m);if(p<l){l=p;h=u}}}if(h){var d=h.tooltipPosition();a=d.x;o=d.y}return{x:a,y:o}}}}},{25:25,26:26,45:45}],36:[function(e,t){"use strict";var a=e(25),o=e(26),i=e(45);a._set("global",{elements:{arc:{backgroundColor:a.global.defaultColor,borderColor:"#fff",borderWidth:2}}});t.exports=o.extend({inLabelRange:function inLabelRange(e){var t=this._view;if(t){return Math.pow(e-t.x,2)<Math.pow(t.radius+t.hoverRadius,2)}return!1},inRange:function inRange(e,t){var a=this._view;if(a){var o=i.getAngleFromPoint(a,{x:e,y:t}),n=o.angle,l=o.distance,s=a.startAngle,d=a.endAngle;while(d<s){d+=2*Math.PI}while(n>d){n-=2*Math.PI}while(n<s){n+=2*Math.PI}var c=n>=s&&n<=d,h=l>=a.innerRadius&&l<=a.outerRadius;return c&&h}return!1},getCenterPoint:function getCenterPoint(){var e=this._view,t=(e.startAngle+e.endAngle)/2,a=(e.innerRadius+e.outerRadius)/2;return{x:e.x+Math.cos(t)*a,y:e.y+Math.sin(t)*a}},getArea:function getArea(){var e=this._view;return Math.PI*((e.endAngle-e.startAngle)/(2*Math.PI))*(Math.pow(e.outerRadius,2)-Math.pow(e.innerRadius,2))},tooltipPosition:function tooltipPosition(){var e=this._view,t=e.startAngle+(e.endAngle-e.startAngle)/2,a=(e.outerRadius-e.innerRadius)/2+e.innerRadius;return{x:e.x+Math.cos(t)*a,y:e.y+Math.sin(t)*a}},draw:function draw(){var e=this._chart.ctx,t=this._view,a=t.startAngle,o=t.endAngle;e.beginPath();e.arc(t.x,t.y,t.outerRadius,a,o);e.arc(t.x,t.y,t.innerRadius,o,a,!0);e.closePath();e.strokeStyle=t.borderColor;e.lineWidth=t.borderWidth;e.fillStyle=t.backgroundColor;e.fill();e.lineJoin="bevel";if(t.borderWidth){e.stroke()}}})},{25:25,26:26,45:45}],37:[function(e,t){"use strict";var a=e(25),o=e(26),i=e(45),n=a.global;a._set("global",{elements:{line:{tension:.4,backgroundColor:n.defaultColor,borderWidth:3,borderColor:n.defaultColor,borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",capBezierPoints:!0,fill:!0}}});t.exports=o.extend({draw:function draw(){var e=this,t=e._view,a=e._chart.ctx,o=t.spanGaps,l=e._children.slice(),s=n.elements.line,d=-1,c,h,u,m;if(e._loop&&l.length){l.push(l[0])}a.save();a.lineCap=t.borderCapStyle||s.borderCapStyle;if(a.setLineDash){a.setLineDash(t.borderDash||s.borderDash)}a.lineDashOffset=t.borderDashOffset||s.borderDashOffset;a.lineJoin=t.borderJoinStyle||s.borderJoinStyle;a.lineWidth=t.borderWidth||s.borderWidth;a.strokeStyle=t.borderColor||n.defaultColor;a.beginPath();d=-1;for(c=0;c<l.length;++c){h=l[c];u=i.previousItem(l,c);m=h._view;if(0===c){if(!m.skip){a.moveTo(m.x,m.y);d=c}}else{u=-1===d?u:l[d];if(!m.skip){if(d!==c-1&&!o||-1===d){a.moveTo(m.x,m.y)}else{i.canvas.lineTo(a,u._view,h._view)}d=c}}}a.stroke();a.restore()}})},{25:25,26:26,45:45}],38:[function(e,t){"use strict";var a=e(25),o=e(26),i=e(45),n=a.global.defaultColor;a._set("global",{elements:{point:{radius:3,pointStyle:"circle",backgroundColor:n,borderColor:n,borderWidth:1,hitRadius:1,hoverRadius:4,hoverBorderWidth:1}}});function l(e){var t=this._view;return t?Math.pow(e-t.x,2)<Math.pow(t.radius+t.hitRadius,2):!1}t.exports=o.extend({inRange:function inRange(e,t){var a=this._view;return a?Math.pow(e-a.x,2)+Math.pow(t-a.y,2)<Math.pow(a.hitRadius+a.radius,2):!1},inLabelRange:l,inXRange:l,inYRange:function(e){var t=this._view;return t?Math.pow(e-t.y,2)<Math.pow(t.radius+t.hitRadius,2):!1},getCenterPoint:function getCenterPoint(){var e=this._view;return{x:e.x,y:e.y}},getArea:function getArea(){return Math.PI*Math.pow(this._view.radius,2)},tooltipPosition:function tooltipPosition(){var e=this._view;return{x:e.x,y:e.y,padding:e.radius+e.borderWidth}},draw:function draw(e){var t=this._view,o=this._model,l=this._chart.ctx,s=t.pointStyle,d=t.radius,c=t.x,h=t.y,u=i.color,m=1.01,p=0;if(t.skip){return}l.strokeStyle=t.borderColor||n;l.lineWidth=i.valueOrDefault(t.borderWidth,a.global.elements.point.borderWidth);l.fillStyle=t.backgroundColor||n;if(e!==void 0&&(o.x<e.left||e.right*m<o.x||o.y<e.top||e.bottom*m<o.y)){if(o.x<e.left){p=(c-o.x)/(e.left-o.x)}else if(e.right*m<o.x){p=(o.x-c)/(o.x-e.right)}else if(o.y<e.top){p=(h-o.y)/(e.top-o.y)}else if(e.bottom*m<o.y){p=(o.y-h)/(o.y-e.bottom)}p=Math.round(100*p)/100;l.strokeStyle=u(l.strokeStyle).alpha(p).rgbString();l.fillStyle=u(l.fillStyle).alpha(p).rgbString()}i.canvas.drawPoint(l,s,d,c,h)}})},{25:25,26:26,45:45}],39:[function(e,t){"use strict";var a=e(25),o=e(26);a._set("global",{elements:{rectangle:{backgroundColor:a.global.defaultColor,borderColor:a.global.defaultColor,borderSkipped:"bottom",borderWidth:0}}});function i(e){return e._view.width!==void 0}function n(e){var t=e._view,a,o,n,l;if(i(e)){var s=t.width/2;a=t.x-s;o=t.x+s;n=Math.min(t.y,t.base);l=Math.max(t.y,t.base)}else{var d=t.height/2;a=Math.min(t.x,t.base);o=Math.max(t.x,t.base);n=t.y-d;l=t.y+d}return{left:a,top:n,right:o,bottom:l}}t.exports=o.extend({draw:function draw(){var e=this._chart.ctx,t=this._view,a,o,n,l,s,d,c,h=t.borderWidth;if(!t.horizontal){a=t.x-t.width/2;o=t.x+t.width/2;n=t.y;l=t.base;s=1;d=l>n?1:-1;c=t.borderSkipped||"bottom"}else{a=t.base;o=t.x;n=t.y-t.height/2;l=t.y+t.height/2;s=o>a?1:-1;d=1;c=t.borderSkipped||"left"}if(h){var u=Math.min(Math.abs(a-o),Math.abs(n-l));h=h>u?u:h;var m=h/2,p=a+("left"!==c?m*s:0),f=o+("right"!==c?-m*s:0),y=n+("top"!==c?m*d:0),x=l+("bottom"!==c?-m*d:0);if(p!==f){n=y;l=x}if(y!==x){a=p;o=f}}e.beginPath();e.fillStyle=t.backgroundColor;e.strokeStyle=t.borderColor;e.lineWidth=h;var k=[[a,l],[a,n],[o,n],[o,l]],_=["bottom","left","top","right"].indexOf(c,0);if(-1===_){_=0}function v(e){return k[(_+e)%4]}var S=v(0);e.moveTo(S[0],S[1]);for(var w=1;4>w;w++){S=v(w);e.lineTo(S[0],S[1])}e.fill();if(h){e.stroke()}},height:function height(){var e=this._view;return e.base-e.y},inRange:function(e,t){var a=!1;if(this._view){var o=n(this);a=e>=o.left&&e<=o.right&&t>=o.top&&t<=o.bottom}return a},inLabelRange:function inLabelRange(e,t){var a=this;if(!a._view){return!1}var o=!1,l=n(a);if(i(a)){o=e>=l.left&&e<=l.right}else{o=t>=l.top&&t<=l.bottom}return o},inXRange:function inXRange(e){var t=n(this);return e>=t.left&&e<=t.right},inYRange:function inYRange(e){var t=n(this);return e>=t.top&&e<=t.bottom},getCenterPoint:function getCenterPoint(){var e=this._view,t,a;if(i(this)){t=e.x;a=(e.y+e.base)/2}else{t=(e.x+e.base)/2;a=e.y}return{x:t,y:a}},getArea:function getArea(){var e=this._view;return e.width*Math.abs(e.y-e.base)},tooltipPosition:function tooltipPosition(){var e=this._view;return{x:e.x,y:e.y}}})},{25:25,26:26}],40:[function(e,t){"use strict";t.exports={};t.exports.Arc=e(36);t.exports.Line=e(37);t.exports.Point=e(38);t.exports.Rectangle=e(39)},{36:36,37:37,38:38,39:39}],41:[function(e,t,a){"use strict";var o=e(42),a=t.exports={clear:function clear(e){e.ctx.clearRect(0,0,e.width,e.height)},roundedRect:function roundedRect(e,t,a,o,i,n){if(n){var l=Math.min(n,o/2),s=Math.min(n,i/2);e.moveTo(t+l,a);e.lineTo(t+o-l,a);e.quadraticCurveTo(t+o,a,t+o,a+s);e.lineTo(t+o,a+i-s);e.quadraticCurveTo(t+o,a+i,t+o-l,a+i);e.lineTo(t+l,a+i);e.quadraticCurveTo(t,a+i,t,a+i-s);e.lineTo(t,a+s);e.quadraticCurveTo(t,a,t+l,a)}else{e.rect(t,a,o,i)}},drawPoint:function drawPoint(e,t,a,o,i){var n,l,s,d,c,h;if("object"===_typeof(t)){n=t.toString();if("[object HTMLImageElement]"===n||"[object HTMLCanvasElement]"===n){e.drawImage(t,o-t.width/2,i-t.height/2,t.width,t.height);return}}if(isNaN(a)||0>=a){return}switch(t){default:e.beginPath();e.arc(o,i,a,0,2*Math.PI);e.closePath();e.fill();break;case"triangle":e.beginPath();l=3*a/Math.sqrt(3);c=l*Math.sqrt(3)/2;e.moveTo(o-l/2,i+c/3);e.lineTo(o+l/2,i+c/3);e.lineTo(o,i-2*c/3);e.closePath();e.fill();break;case"rect":h=1/Math.SQRT2*a;e.beginPath();e.fillRect(o-h,i-h,2*h,2*h);e.strokeRect(o-h,i-h,2*h,2*h);break;case"rectRounded":var u=a/Math.SQRT2,m=Math.SQRT2*a;e.beginPath();this.roundedRect(e,o-u,i-u,m,m,a/2);e.closePath();e.fill();break;case"rectRot":h=1/Math.SQRT2*a;e.beginPath();e.moveTo(o-h,i);e.lineTo(o,i+h);e.lineTo(o+h,i);e.lineTo(o,i-h);e.closePath();e.fill();break;case"cross":e.beginPath();e.moveTo(o,i+a);e.lineTo(o,i-a);e.moveTo(o-a,i);e.lineTo(o+a,i);e.closePath();break;case"crossRot":e.beginPath();s=Math.cos(Math.PI/4)*a;d=Math.sin(Math.PI/4)*a;e.moveTo(o-s,i-d);e.lineTo(o+s,i+d);e.moveTo(o-s,i+d);e.lineTo(o+s,i-d);e.closePath();break;case"star":e.beginPath();e.moveTo(o,i+a);e.lineTo(o,i-a);e.moveTo(o-a,i);e.lineTo(o+a,i);s=Math.cos(Math.PI/4)*a;d=Math.sin(Math.PI/4)*a;e.moveTo(o-s,i-d);e.lineTo(o+s,i+d);e.moveTo(o-s,i+d);e.lineTo(o+s,i-d);e.closePath();break;case"line":e.beginPath();e.moveTo(o-a,i);e.lineTo(o+a,i);e.closePath();break;case"dash":e.beginPath();e.moveTo(o,i);e.lineTo(o+a,i);e.closePath();break;}e.stroke()},clipArea:function 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7.5625*(e-=2.625/2.75)*e+.984375},easeInOutBounce:function easeInOutBounce(e){if(.5>e){return .5*o.easeInBounce(2*e)}return .5*o.easeOutBounce(2*e-1)+.5}};t.exports={effects:o};a.easingEffects=o},{42:42}],44:[function(e,t){"use strict";var a=e(42);t.exports={toLineHeight:function toLineHeight(e,t){var a=(""+e).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/);if(!a||"normal"===a[1]){return 1.2*t}e=+a[2];switch(a[3]){case"px":return e;case"%":e/=100;break;default:break;}return t*e},toPadding:function toPadding(e){var o,i,n,s;if(a.isObject(e)){o=+e.top||0;i=+e.right||0;n=+e.bottom||0;s=+e.left||0}else{o=i=n=s=+e||0}return{top:o,right:i,bottom:n,left:s,height:o+n,width:s+i}},resolve:function resolve(e,t,o){var n,l,s;for(n=0,l=e.length;n<l;++n){s=e[n];if(s===void 0){continue}if(t!==void 0&&"function"==typeof s){s=s(t)}if(o!==void 0&&a.isArray(s)){s=s[o]}if(s!==void 0){return s}}}}},{42:42}],45:[function(e,t){"use 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e&&!e.skip}function h(e,t,a,o,l){var s;if(!o||!l){return}e.moveTo(t[0].x,t[0].y);for(s=1;s<o;++s){n.canvas.lineTo(e,t[s-1],t[s])}e.lineTo(a[l-1].x,a[l-1].y);for(s=l-1;0<s;--s){n.canvas.lineTo(e,a[s],a[s-1],!0)}}function u(e,t,a,o,n,l){var s=t.length,d=o.spanGaps,u=[],m=[],p=0,f=0,y,x,k,_,v,S,w;e.beginPath();for(y=0,x=s+!!l;y<x;++y){k=y%s;_=t[k]._view;v=a(_,k,o);S=c(_);w=c(v);if(S&&w){p=u.push(_);f=m.push(v)}else if(p&&f){if(!d){h(e,u,m,p,f);p=f=0;u=[];m=[]}else{if(S){u.push(_)}if(w){m.push(v)}}}}h(e,u,m,p,f);e.closePath();e.fillStyle=n;e.fill()}return{id:"filler",afterDatasetsUpdate:function afterDatasetsUpdate(e,a){var n=(e.data.datasets||[]).length,c=a.propagate,h=[],u,m,p,f;for(m=0;m<n;++m){u=e.getDatasetMeta(m);p=u.dataset;f=null;if(p&&p._model&&p instanceof o.Line){f={visible:e.isDatasetVisible(m),fill:t(p,m,n),chart:e,el:p}}u.$filler=f;h.push(f)}for(m=0;m<n;++m){f=h[m];if(!f){continue}f.fill=s(h,m,c);f.boundary=l(f);f.mapper=d(f)}},beforeDatasetDraw:function beforeDatasetDraw(e,t){var o=t.meta.$filler;if(!o){return}var i=e.ctx,l=o.el,s=l._view,d=l._children||[],c=o.mapper,h=s.backgroundColor||a.global.defaultColor;if(c&&h&&d.length){n.canvas.clipArea(i,e.chartArea);u(i,d,c,s,h,l._loop);n.canvas.unclipArea(i)}}}}},{25:25,40:40,45:45}],50:[function(e,t){"use strict";var a=e(25),o=e(26),n=e(45);a._set("global",{legend:{display:!0,position:"top",fullWidth:!0,reverse:!1,weight:1e3,onClick:function onClick(t,e){var a=e.datasetIndex,o=this.chart,i=o.getDatasetMeta(a);i.hidden=null===i.hidden?!o.data.datasets[a].hidden:null;o.update()},onHover:null,labels:{boxWidth:40,padding:10,generateLabels:function generateLabels(e){var t=e.data;return n.isArray(t.datasets)?t.datasets.map(function(t,a){return{text:t.label,fillStyle:!n.isArray(t.backgroundColor)?t.backgroundColor:t.backgroundColor[0],hidden:!e.isDatasetVisible(a),lineCap:t.borderCapStyle,lineDash:t.borderDash,lineDashOffset:t.borderDashOffset,lineJoin:t.borderJoinStyle,lineWidth:t.borderWidth,strokeStyle:t.borderColor,pointStyle:t.pointStyle,datasetIndex:a}},this):[]}}},legendCallback:function legendCallback(e){for(var t=["<ul class=\""+e.id+"-legend\">"],a=0;a<e.data.datasets.length;a++){t.push("<li><span style=\"background-color:"+e.data.datasets[a].backgroundColor+"\"></span>");if(e.data.datasets[a].label){t.push(e.data.datasets[a].label)}t.push("</li>")}t.push("</ul>");return t.join("")}});t.exports=function(e){var t=e.layoutService,i=n.noop;function l(e,t){return e.usePointStyle?t*Math.SQRT2:e.boxWidth}e.Legend=o.extend({initialize:function initialize(e){n.extend(this,e);this.legendHitBoxes=[];this.doughnutMode=!1},beforeUpdate:i,update:function update(e,t,a){var o=this;o.beforeUpdate();o.maxWidth=e;o.maxHeight=t;o.margins=a;o.beforeSetDimensions();o.setDimensions();o.afterSetDimensions();o.beforeBuildLabels();o.buildLabels();o.afterBuildLabels();o.beforeFit();o.fit();o.afterFit();o.afterUpdate();return o.minSize},afterUpdate:i,beforeSetDimensions:i,setDimensions:function setDimensions(){var e=this;if(e.isHorizontal()){e.width=e.maxWidth;e.left=0;e.right=e.width}else{e.height=e.maxHeight;e.top=0;e.bottom=e.height}e.paddingLeft=0;e.paddingTop=0;e.paddingRight=0;e.paddingBottom=0;e.minSize={width:0,height:0}},afterSetDimensions:i,beforeBuildLabels:i,buildLabels:function buildLabels(){var e=this,t=e.options.labels||{},a=n.callback(t.generateLabels,[e.chart],e)||[];if(t.filter){a=a.filter(function(a){return t.filter(a,e.chart.data)})}if(e.options.reverse){a.reverse()}e.legendItems=a},afterBuildLabels:i,beforeFit:i,fit:function fit(){var e=this,t=e.options,o=t.labels,i=t.display,s=e.ctx,d=a.global,c=n.valueOrDefault,h=c(o.fontSize,d.defaultFontSize),u=c(o.fontStyle,d.defaultFontStyle),m=c(o.fontFamily,d.defaultFontFamily),p=n.fontString(h,u,m),f=e.legendHitBoxes=[],y=e.minSize,x=e.isHorizontal();if(x){y.width=e.maxWidth;y.height=i?10:0}else{y.width=i?10:0;y.height=e.maxHeight}if(i){s.font=p;if(x){var k=e.lineWidths=[0],_=e.legendItems.length?h+o.padding:0;s.textAlign="left";s.textBaseline="top";n.each(e.legendItems,function(t,a){var i=l(o,h),n=i+h/2+s.measureText(t.text).width;if(k[k.length-1]+n+o.padding>=e.width){_+=h+o.padding;k[k.length]=e.left}f[a]={left:0,top:0,width:n,height:h};k[k.length-1]+=n+o.padding});y.height+=_}else{var v=o.padding,S=e.columnWidths=[],w=o.padding,D=0,C=0,P=h+v;n.each(e.legendItems,function(e,t){var a=l(o,h),i=a+h/2+s.measureText(e.text).width;if(C+P>y.height){w+=D+o.padding;S.push(D);D=0;C=0}D=Math.max(D,i);C+=P;f[t]={left:0,top:0,width:i,height:h}});w+=D;S.push(D);y.width+=w}}e.width=y.width;e.height=y.height},afterFit:i,isHorizontal:function isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position},draw:function draw(){var e=this,t=e.options,o=t.labels,i=a.global,s=i.elements.line,d=e.width,c=e.lineWidths;if(t.display){var h=e.ctx,u=n.valueOrDefault,m=u(o.fontColor,i.defaultFontColor),p=u(o.fontSize,i.defaultFontSize),f=u(o.fontStyle,i.defaultFontStyle),y=u(o.fontFamily,i.defaultFontFamily),x=n.fontString(p,f,y),k;h.textAlign="left";h.textBaseline="middle";h.lineWidth=.5;h.strokeStyle=m;h.fillStyle=m;h.font=x;var _=l(o,p),v=e.legendHitBoxes,S=function(e,a,o){if(isNaN(_)||0>=_){return}h.save();h.fillStyle=u(o.fillStyle,i.defaultColor);h.lineCap=u(o.lineCap,s.borderCapStyle);h.lineDashOffset=u(o.lineDashOffset,s.borderDashOffset);h.lineJoin=u(o.lineJoin,s.borderJoinStyle);h.lineWidth=u(o.lineWidth,s.borderWidth);h.strokeStyle=u(o.strokeStyle,i.defaultColor);var l=0===u(o.lineWidth,s.borderWidth);if(h.setLineDash){h.setLineDash(u(o.lineDash,s.borderDash))}if(t.labels&&t.labels.usePointStyle){var d=p*Math.SQRT2/2,c=d/Math.SQRT2;n.canvas.drawPoint(h,o.pointStyle,d,e+c,a+c)}else{if(!l){h.strokeRect(e,a,_,p)}h.fillRect(e,a,_,p)}h.restore()},w=function(e,t,a,o){var i=p/2,n=_+i+e,l=t+i;h.fillText(a.text,n,l);if(a.hidden){h.beginPath();h.lineWidth=2;h.moveTo(n,l);h.lineTo(n+o,l);h.stroke()}},D=e.isHorizontal();if(D){k={x:e.left+(d-c[0])/2,y:e.top+o.padding,line:0}}else{k={x:e.left+o.padding,y:e.top+o.padding,line:0}}var C=p+o.padding;n.each(e.legendItems,function(t,a){var i=h.measureText(t.text).width,n=_+p/2+i,l=k.x,s=k.y;if(D){if(l+n>=d){s=k.y+=C;k.line++;l=k.x=e.left+(d-c[k.line])/2}}else if(s+C>e.bottom){l=k.x=l+e.columnWidths[k.line]+o.padding;s=k.y=e.top+o.padding;k.line++}S(l,s,t);v[a].left=l;v[a].top=s;w(l,s,t,i);if(D){k.x+=n+o.padding}else{k.y+=C}})}},handleEvent:function handleEvent(t){var e=this,a=e.options,o="mouseup"===t.type?"click":t.type,n=!1;if("mousemove"===o){if(!a.onHover){return}}else if("click"===o){if(!a.onClick){return}}else{return}var l=t.x,s=t.y;if(l>=e.left&&l<=e.right&&s>=e.top&&s<=e.bottom){for(var d=e.legendHitBoxes,c=0,h;c<d.length;++c){h=d[c];if(l>=h.left&&l<=h.left+h.width&&s>=h.top&&s<=h.top+h.height){if("click"===o){a.onClick.call(e,t.native,e.legendItems[c]);n=!0;break}else if("mousemove"===o){a.onHover.call(e,t.native,e.legendItems[c]);n=!0;break}}}}return n}});function s(a,o){var i=new e.Legend({ctx:a.ctx,options:o,chart:a});t.configure(a,i,o);t.addBox(a,i);a.legend=i}return{id:"legend",beforeInit:function beforeInit(e){var t=e.options.legend;if(t){s(e,t)}},beforeUpdate:function beforeUpdate(e){var o=e.options.legend,i=e.legend;if(o){n.mergeIf(o,a.global.legend);if(i){t.configure(e,i,o);i.options=o}else{s(e,o)}}else if(i){t.removeBox(e,i);delete e.legend}},afterEvent:function afterEvent(t,a){var e=t.legend;if(e){e.handleEvent(a)}}}}},{25:25,26:26,45:45}],51:[function(e,t){"use strict";var a=e(25),o=e(26),n=e(45);a._set("global",{title:{display:!1,fontStyle:"bold",fullWidth:!0,lineHeight:1.2,padding:10,position:"top",text:"",weight:2e3}});t.exports=function(e){var t=e.layoutService,i=n.noop;e.Title=o.extend({initialize:function initialize(e){var t=this;n.extend(t,e);t.legendHitBoxes=[]},beforeUpdate:i,update:function update(e,t,a){var o=this;o.beforeUpdate();o.maxWidth=e;o.maxHeight=t;o.margins=a;o.beforeSetDimensions();o.setDimensions();o.afterSetDimensions();o.beforeBuildLabels();o.buildLabels();o.afterBuildLabels();o.beforeFit();o.fit();o.afterFit();o.afterUpdate();return o.minSize},afterUpdate:i,beforeSetDimensions:i,setDimensions:function setDimensions(){var e=this;if(e.isHorizontal()){e.width=e.maxWidth;e.left=0;e.right=e.width}else{e.height=e.maxHeight;e.top=0;e.bottom=e.height}e.paddingLeft=0;e.paddingTop=0;e.paddingRight=0;e.paddingBottom=0;e.minSize={width:0,height:0}},afterSetDimensions:i,beforeBuildLabels:i,buildLabels:i,afterBuildLabels:i,beforeFit:i,fit:function fit(){var e=this,t=n.valueOrDefault,o=e.options,i=o.display,l=t(o.fontSize,a.global.defaultFontSize),s=e.minSize,d=n.isArray(o.text)?o.text.length:1,c=n.options.toLineHeight(o.lineHeight,l),h=i?d*c+2*o.padding:0;if(e.isHorizontal()){s.width=e.maxWidth;s.height=h}else{s.width=h;s.height=e.maxHeight}e.width=s.width;e.height=s.height},afterFit:i,isHorizontal:function isHorizontal(){var e=this.options.position;return"top"===e||"bottom"===e},draw:function draw(){var e=this,t=e.ctx,o=n.valueOrDefault,l=e.options,s=a.global;if(l.display){var d=o(l.fontSize,s.defaultFontSize),c=o(l.fontStyle,s.defaultFontStyle),h=o(l.fontFamily,s.defaultFontFamily),u=n.fontString(d,c,h),m=n.options.toLineHeight(l.lineHeight,d),p=m/2+l.padding,f=0,x=e.top,k=e.left,_=e.bottom,v=e.right,S,w,D;t.fillStyle=o(l.fontColor,s.defaultFontColor);t.font=u;if(e.isHorizontal()){w=k+(v-k)/2;D=x+p;S=v-k}else{w="left"===l.position?k+p:v-p;D=x+(_-x)/2;S=_-x;f=Math.PI*("left"===l.position?-.5:.5)}t.save();t.translate(w,D);t.rotate(f);t.textAlign="center";t.textBaseline="middle";var C=l.text;if(n.isArray(C)){for(var P=0,T=0;T<C.length;++T){t.fillText(C[T],0,P,S);P+=m}}else{t.fillText(C,0,0,S)}t.restore()}}});function l(a,o){var i=new e.Title({ctx:a.ctx,options:o,chart:a});t.configure(a,i,o);t.addBox(a,i);a.titleBlock=i}return{id:"title",beforeInit:function beforeInit(e){var t=e.options.title;if(t){l(e,t)}},beforeUpdate:function beforeUpdate(o){var i=o.options.title,s=o.titleBlock;if(i){n.mergeIf(i,a.global.title);if(s){t.configure(o,s,i);s.options=i}else{l(o,i)}}else if(s){e.layoutService.removeBox(o,s);delete o.titleBlock}}}}},{25:25,26:26,45:45}],52:[function(e,t){"use strict";t.exports=function(e){var t=e.Scale.extend({getLabels:function getLabels(){var e=this.chart.data;return this.options.labels||(this.isHorizontal()?e.xLabels:e.yLabels)||e.labels},determineDataLimits:function determineDataLimits(){var e=this,t=e.getLabels();e.minIndex=0;e.maxIndex=t.length-1;var a;if(e.options.ticks.min!==void 0){a=t.indexOf(e.options.ticks.min);e.minIndex=-1!==a?a:e.minIndex}if(e.options.ticks.max!==void 0){a=t.indexOf(e.options.ticks.max);e.maxIndex=-1!==a?a:e.maxIndex}e.min=t[e.minIndex];e.max=t[e.maxIndex]},buildTicks:function buildTicks(){var e=this,t=e.getLabels();e.ticks=0===e.minIndex&&e.maxIndex===t.length-1?t:t.slice(e.minIndex,e.maxIndex+1)},getLabelForIndex:function getLabelForIndex(e,t){var a=this,o=a.chart.data,i=a.isHorizontal();if(o.yLabels&&!i){return a.getRightValue(o.datasets[t].data[e])}return a.ticks[e-a.minIndex]},getPixelForValue:function getPixelForValue(e,t){var a=this,o=a.options.offset,i=Math.max(a.maxIndex+1-a.minIndex-(o?0:1),1),n;if(e!==void 0&&null!==e){n=a.isHorizontal()?e.x:e.y}if(n!==void 0||e!==void 0&&isNaN(t)){var l=a.getLabels();e=n||e;var s=l.indexOf(e);t=-1!==s?s:t}if(a.isHorizontal()){var d=a.width/i,c=d*(t-a.minIndex);if(o){c+=d/2}return a.left+Math.round(c)}var h=a.height/i,u=h*(t-a.minIndex);if(o){u+=h/2}return a.top+Math.round(u)},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.ticks[e],e+this.minIndex,null)},getValueForPixel:function getValueForPixel(e){var t=this,a=t.options.offset,o,i=Math.max(t._ticks.length-(a?0:1),1),n=t.isHorizontal(),l=(n?t.width:t.height)/i;e-=n?t.left:t.top;if(a){e-=l/2}if(0>=e){o=0}else{o=Math.round(e/l)}return o+t.minIndex},getBasePixel:function getBasePixel(){return this.bottom}});e.scaleService.registerScaleType("category",t,{position:"bottom"})}},{}],53:[function(e,t){"use strict";var a=e(25),o=e(45),i=e(34);t.exports=function(e){var t={position:"left",ticks:{callback:i.formatters.linear}},n=e.LinearScaleBase.extend({determineDataLimits:function determineDataLimits(){var e=this,t=e.options,a=e.chart,i=a.data,n=i.datasets,l=e.isHorizontal();function s(t){return l?t.xAxisID===e.id:t.yAxisID===e.id}e.min=null;e.max=null;var d=t.stacked;if(d===void 0){o.each(n,function(e,t){if(d){return}var o=a.getDatasetMeta(t);if(a.isDatasetVisible(t)&&s(o)&&o.stack!==void 0){d=!0}})}if(t.stacked||d){var c={};o.each(n,function(i,n){var l=a.getDatasetMeta(n),d=[l.type,t.stacked===void 0&&l.stack===void 0?n:"",l.stack].join(".");if(c[d]===void 0){c[d]={positiveValues:[],negativeValues:[]}}var h=c[d].positiveValues,u=c[d].negativeValues;if(a.isDatasetVisible(n)&&s(l)){o.each(i.data,function(a,o){var i=+e.getRightValue(a);if(isNaN(i)||l.data[o].hidden){return}h[o]=h[o]||0;u[o]=u[o]||0;if(t.relativePoints){h[o]=100}else if(0>i){u[o]+=i}else{h[o]+=i}})}});o.each(c,function(t){var a=t.positiveValues.concat(t.negativeValues),i=o.min(a),n=o.max(a);e.min=null===e.min?i:Math.min(e.min,i);e.max=null===e.max?n:Math.max(e.max,n)})}else{o.each(n,function(t,i){var n=a.getDatasetMeta(i);if(a.isDatasetVisible(i)&&s(n)){o.each(t.data,function(t,a){var o=+e.getRightValue(t);if(isNaN(o)||n.data[a].hidden){return}if(null===e.min){e.min=o}else if(o<e.min){e.min=o}if(null===e.max){e.max=o}else if(o>e.max){e.max=o}})}})}e.min=isFinite(e.min)&&!isNaN(e.min)?e.min:0;e.max=isFinite(e.max)&&!isNaN(e.max)?e.max:1;this.handleTickRangeOptions()},getTickLimit:function getTickLimit(){var e,t=this,i=t.options.ticks;if(t.isHorizontal()){e=Math.min(i.maxTicksLimit?i.maxTicksLimit:11,Math.ceil(t.width/50))}else{var n=o.valueOrDefault(i.fontSize,a.global.defaultFontSize);e=Math.min(i.maxTicksLimit?i.maxTicksLimit:11,Math.ceil(t.height/(2*n)))}return e},handleDirectionalChanges:function handleDirectionalChanges(){if(!this.isHorizontal()){this.ticks.reverse()}},getLabelForIndex:function getLabelForIndex(e,t){return+this.getRightValue(this.chart.data.datasets[t].data[e])},getPixelForValue:function getPixelForValue(e){var t=this,a=t.start,o=+t.getRightValue(e),i,n=t.end-a;if(t.isHorizontal()){i=t.left+t.width/n*(o-a);return Math.round(i)}i=t.bottom-t.height/n*(o-a);return Math.round(i)},getValueForPixel:function getValueForPixel(e){var t=this,a=t.isHorizontal(),o=a?t.width:t.height,i=(a?e-t.left:t.bottom-e)/o;return t.start+(t.end-t.start)*i},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.ticksAsNumbers[e])}});e.scaleService.registerScaleType("linear",n,t)}},{25:25,34:34,45:45}],54:[function(e,t){"use strict";var a=e(45),o=e(34);t.exports=function(e){var t=a.noop;e.LinearScaleBase=e.Scale.extend({getRightValue:function getRightValue(t){if("string"==typeof t){return+t}return e.Scale.prototype.getRightValue.call(this,t)},handleTickRangeOptions:function handleTickRangeOptions(){var e=this,t=e.options,o=t.ticks;if(o.beginAtZero){var i=a.sign(e.min),n=a.sign(e.max);if(0>i&&0>n){e.max=0}else if(0<i&&0<n){e.min=0}}var l=o.min!==void 0||o.suggestedMin!==void 0,s=o.max!==void 0||o.suggestedMax!==void 0;if(o.min!==void 0){e.min=o.min}else if(o.suggestedMin!==void 0){if(null===e.min){e.min=o.suggestedMin}else{e.min=Math.min(e.min,o.suggestedMin)}}if(o.max!==void 0){e.max=o.max}else if(o.suggestedMax!==void 0){if(null===e.max){e.max=o.suggestedMax}else{e.max=Math.max(e.max,o.suggestedMax)}}if(l!==s){if(e.min>=e.max){if(l){e.max=e.min+1}else{e.min=e.max-1}}}if(e.min===e.max){e.max++;if(!o.beginAtZero){e.min--}}},getTickLimit:t,handleDirectionalChanges:t,buildTicks:function buildTicks(){var e=this,t=e.options,i=t.ticks,n=e.getTickLimit();n=Math.max(2,n);var l={maxTicks:n,min:i.min,max:i.max,stepSize:a.valueOrDefault(i.fixedStepSize,i.stepSize)},s=e.ticks=o.generators.linear(l,e);e.handleDirectionalChanges();e.max=a.max(s);e.min=a.min(s);if(i.reverse){s.reverse();e.start=e.max;e.end=e.min}else{e.start=e.min;e.end=e.max}},convertTicksToLabels:function convertTicksToLabels(){var t=this;t.ticksAsNumbers=t.ticks.slice();t.zeroLineIndex=t.ticks.indexOf(0);e.Scale.prototype.convertTicksToLabels.call(t)}})}},{34:34,45:45}],55:[function(e,t){"use strict";var a=e(45),o=e(34);t.exports=function(e){var t={position:"left",ticks:{callback:o.formatters.logarithmic}},i=e.Scale.extend({determineDataLimits:function determineDataLimits(){var e=this,t=e.options,o=t.ticks,i=e.chart,n=i.data,l=n.datasets,s=a.valueOrDefault,d=e.isHorizontal();function c(t){return d?t.xAxisID===e.id:t.yAxisID===e.id}e.min=null;e.max=null;e.minNotZero=null;var h=t.stacked;if(h===void 0){a.each(l,function(e,t){if(h){return}var a=i.getDatasetMeta(t);if(i.isDatasetVisible(t)&&c(a)&&a.stack!==void 0){h=!0}})}if(t.stacked||h){var u={};a.each(l,function(o,n){var l=i.getDatasetMeta(n),s=[l.type,t.stacked===void 0&&l.stack===void 0?n:"",l.stack].join(".");if(i.isDatasetVisible(n)&&c(l)){if(u[s]===void 0){u[s]=[]}a.each(o.data,function(a,o){var i=u[s],n=+e.getRightValue(a);if(isNaN(n)||l.data[o].hidden){return}i[o]=i[o]||0;if(t.relativePoints){i[o]=100}else{i[o]+=n}})}});a.each(u,function(t){var o=a.min(t),i=a.max(t);e.min=null===e.min?o:Math.min(e.min,o);e.max=null===e.max?i:Math.max(e.max,i)})}else{a.each(l,function(t,o){var n=i.getDatasetMeta(o);if(i.isDatasetVisible(o)&&c(n)){a.each(t.data,function(t,a){var o=+e.getRightValue(t);if(isNaN(o)||n.data[a].hidden){return}if(null===e.min){e.min=o}else if(o<e.min){e.min=o}if(null===e.max){e.max=o}else if(o>e.max){e.max=o}if(0!=o&&(null===e.minNotZero||o<e.minNotZero)){e.minNotZero=o}})}})}e.min=s(o.min,e.min);e.max=s(o.max,e.max);if(e.min===e.max){if(0!==e.min&&null!==e.min){e.min=Math.pow(10,Math.floor(a.log10(e.min))-1);e.max=Math.pow(10,Math.floor(a.log10(e.max))+1)}else{e.min=1;e.max=10}}},buildTicks:function buildTicks(){var e=this,t=e.options,i=t.ticks,n={min:i.min,max:i.max},l=e.ticks=o.generators.logarithmic(n,e);if(!e.isHorizontal()){l.reverse()}e.max=a.max(l);e.min=a.min(l);if(i.reverse){l.reverse();e.start=e.max;e.end=e.min}else{e.start=e.min;e.end=e.max}},convertTicksToLabels:function convertTicksToLabels(){this.tickValues=this.ticks.slice();e.Scale.prototype.convertTicksToLabels.call(this)},getLabelForIndex:function getLabelForIndex(e,t){return+this.getRightValue(this.chart.data.datasets[t].data[e])},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.tickValues[e])},getPixelForValue:function getPixelForValue(e){var t=this,o=t.start,i=+t.getRightValue(e),n=t.options,l=n.ticks,s,d,c;if(t.isHorizontal()){c=a.log10(t.end)-a.log10(o);if(0===i){d=t.left}else{s=t.width;d=t.left+s/c*(a.log10(i)-a.log10(o))}}else{s=t.height;if(0===o&&!l.reverse){c=a.log10(t.end)-a.log10(t.minNotZero);if(i===o){d=t.bottom}else if(i===t.minNotZero){d=t.bottom-.02*s}else{d=t.bottom-.02*s-.98*s/c*(a.log10(i)-a.log10(t.minNotZero))}}else if(0===t.end&&l.reverse){c=a.log10(t.start)-a.log10(t.minNotZero);if(i===t.end){d=t.top}else if(i===t.minNotZero){d=t.top+.02*s}else{d=t.top+.02*s+.98*s/c*(a.log10(i)-a.log10(t.minNotZero))}}else if(0===i){d=l.reverse?t.top:t.bottom}else{c=a.log10(t.end)-a.log10(o);s=t.height;d=t.bottom-s/c*(a.log10(i)-a.log10(o))}}return d},getValueForPixel:function getValueForPixel(e){var t=this,o=a.log10(t.end)-a.log10(t.start),i,n;if(t.isHorizontal()){n=t.width;i=t.start*Math.pow(10,(e-t.left)*o/n)}else{n=t.height;i=Math.pow(10,(t.bottom-e)*o/n)/t.start}return i}});e.scaleService.registerScaleType("logarithmic",i,t)}},{34:34,45:45}],56:[function(e,t){"use strict";var a=e(25),o=e(45),i=e(34);t.exports=function(e){var t=a.global,n={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,color:"rgba(0, 0, 0, 0.1)",lineWidth:1},gridLines:{circular:!1},ticks:{showLabelBackdrop:!0,backdropColor:"rgba(255,255,255,0.75)",backdropPaddingY:2,backdropPaddingX:2,callback:i.formatters.linear},pointLabels:{display:!0,fontSize:10,callback:function callback(e){return e}}};function l(e){var t=e.options;return t.angleLines.display||t.pointLabels.display?e.chart.data.labels.length:0}function s(e){var a=e.options.pointLabels,i=o.valueOrDefault(a.fontSize,t.defaultFontSize),n=o.valueOrDefault(a.fontStyle,t.defaultFontStyle),l=o.valueOrDefault(a.fontFamily,t.defaultFontFamily),s=o.fontString(i,n,l);return{size:i,style:n,family:l,font:s}}function d(e,t,a){if(o.isArray(a)){return{w:o.longestText(e,e.font,a),h:a.length*t+1.5*(a.length-1)*t}}return{w:e.measureText(a).width,h:t}}function c(e,t,a,o,i){if(e===o||e===i){return{start:t-a/2,end:t+a/2}}else if(e<o||e>i){return{start:t-a-5,end:t}}return{start:t,end:t+a+5}}function h(e){var t=s(e),a=Math.min(e.height/2,e.width/2),n={r:e.width,l:0,t:e.height,b:0},h={},u,m,p;e.ctx.font=t.font;e._pointLabelSizes=[];var f=l(e);for(u=0;u<f;u++){p=e.getPointPosition(u,a);m=d(e.ctx,t.size,e.pointLabels[u]||"");e._pointLabelSizes[u]=m;var y=e.getIndexAngle(u),x=o.toDegrees(y)%360,k=c(x,p.x,m.w,0,180),_=c(x,p.y,m.h,90,270);if(k.start<n.l){n.l=k.start;h.l=y}if(k.end>n.r){n.r=k.end;h.r=y}if(_.start<n.t){n.t=_.start;h.t=y}if(_.end>n.b){n.b=_.end;h.b=y}}e.setReductions(a,n,h)}function u(e){var t=Math.min(e.height/2,e.width/2);e.drawingArea=Math.round(t);e.setCenterPoint(0,0,0,0)}function m(e){if(0===e||180===e){return"center"}else if(180>e){return"left"}return"right"}function p(e,t,a,n){if(o.isArray(t)){for(var l=a.y,s=0;s<t.length;++s){e.fillText(t[s],a.x,l);l+=1.5*n}}else{e.fillText(t,a.x,a.y)}}function f(e,t,a){if(90===e||270===e){a.y-=t.h/2}else if(270<e||90>e){a.y-=t.h}}function y(e){var a=e.ctx,n=o.valueOrDefault,d=e.options,c=d.angleLines,h=d.pointLabels;a.lineWidth=c.lineWidth;a.strokeStyle=c.color;var u=e.getDistanceFromCenterForValue(d.ticks.reverse?e.min:e.max),y=s(e);a.textBaseline="top";for(var x=l(e)-1;0<=x;x--){if(c.display){var k=e.getPointPosition(x,u);a.beginPath();a.moveTo(e.xCenter,e.yCenter);a.lineTo(k.x,k.y);a.stroke();a.closePath()}if(h.display){var _=e.getPointPosition(x,u+5),v=n(h.fontColor,t.defaultFontColor);a.font=y.font;a.fillStyle=v;var S=e.getIndexAngle(x),w=o.toDegrees(S);a.textAlign=m(w);f(w,e._pointLabelSizes[x],_);p(a,e.pointLabels[x]||"",_,y.size)}}}function x(e,t,a,n){var s=e.ctx;s.strokeStyle=o.valueAtIndexOrDefault(t.color,n-1);s.lineWidth=o.valueAtIndexOrDefault(t.lineWidth,n-1);if(e.options.gridLines.circular){s.beginPath();s.arc(e.xCenter,e.yCenter,a,0,2*Math.PI);s.closePath();s.stroke()}else{var d=l(e);if(0===d){return}s.beginPath();var c=e.getPointPosition(0,a);s.moveTo(c.x,c.y);for(var h=1;h<d;h++){c=e.getPointPosition(h,a);s.lineTo(c.x,c.y)}s.closePath();s.stroke()}}function k(e){return o.isNumber(e)?e:0}var _=e.LinearScaleBase.extend({setDimensions:function setDimensions(){var e=this,a=e.options,i=a.ticks;e.width=e.maxWidth;e.height=e.maxHeight;e.xCenter=Math.round(e.width/2);e.yCenter=Math.round(e.height/2);var n=o.min([e.height,e.width]),l=o.valueOrDefault(i.fontSize,t.defaultFontSize);e.drawingArea=a.display?n/2-(l/2+i.backdropPaddingY):n/2},determineDataLimits:function determineDataLimits(){var e=this,t=e.chart,a=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;o.each(t.data.datasets,function(n,l){if(t.isDatasetVisible(l)){var s=t.getDatasetMeta(l);o.each(n.data,function(t,o){var n=+e.getRightValue(t);if(isNaN(n)||s.data[o].hidden){return}a=Math.min(n,a);i=Math.max(n,i)})}});e.min=a===Number.POSITIVE_INFINITY?0:a;e.max=i===Number.NEGATIVE_INFINITY?0:i;e.handleTickRangeOptions()},getTickLimit:function getTickLimit(){var e=this.options.ticks,a=o.valueOrDefault(e.fontSize,t.defaultFontSize);return Math.min(e.maxTicksLimit?e.maxTicksLimit:11,Math.ceil(this.drawingArea/(1.5*a)))},convertTicksToLabels:function convertTicksToLabels(){var t=this;e.LinearScaleBase.prototype.convertTicksToLabels.call(t);t.pointLabels=t.chart.data.labels.map(t.options.pointLabels.callback,t)},getLabelForIndex:function getLabelForIndex(e,t){return+this.getRightValue(this.chart.data.datasets[t].data[e])},fit:function fit(){if(this.options.pointLabels.display){h(this)}else{u(this)}},setReductions:function setReductions(e,t,a){var o=this,i=t.l/Math.sin(a.l),n=Math.max(t.r-o.width,0)/Math.sin(a.r),l=-t.t/Math.cos(a.t),s=-Math.max(t.b-o.height,0)/Math.cos(a.b);i=k(i);n=k(n);l=k(l);s=k(s);o.drawingArea=Math.min(Math.round(e-(i+n)/2),Math.round(e-(l+s)/2));o.setCenterPoint(i,n,l,s)},setCenterPoint:function setCenterPoint(e,t,a,o){var i=this,n=i.width-t-i.drawingArea,l=e+i.drawingArea,s=a+i.drawingArea,d=i.height-o-i.drawingArea;i.xCenter=Math.round((l+n)/2+i.left);i.yCenter=Math.round((s+d)/2+i.top)},getIndexAngle:function getIndexAngle(e){var t=2*Math.PI/l(this),a=this.chart.options&&this.chart.options.startAngle?this.chart.options.startAngle:0,o=2*(a*Math.PI)/360;return e*t+o},getDistanceFromCenterForValue:function getDistanceFromCenterForValue(e){var t=this;if(null===e){return 0}var a=t.drawingArea/(t.max-t.min);if(t.options.ticks.reverse){return(t.max-e)*a}return(e-t.min)*a},getPointPosition:function getPointPosition(e,t){var a=this,o=a.getIndexAngle(e)-Math.PI/2;return{x:Math.round(Math.cos(o)*t)+a.xCenter,y:Math.round(Math.sin(o)*t)+a.yCenter}},getPointPositionForValue:function getPointPositionForValue(e,t){return this.getPointPosition(e,this.getDistanceFromCenterForValue(t))},getBasePosition:function getBasePosition(){var e=this,t=e.min,a=e.max;return e.getPointPositionForValue(0,e.beginAtZero?0:0>t&&0>a?a:0<t&&0<a?t:0)},draw:function draw(){var e=this,a=e.options,i=a.gridLines,n=a.ticks,l=o.valueOrDefault;if(a.display){var s=e.ctx,d=this.getIndexAngle(0),c=l(n.fontSize,t.defaultFontSize),h=l(n.fontStyle,t.defaultFontStyle),u=l(n.fontFamily,t.defaultFontFamily),m=o.fontString(c,h,u);o.each(e.ticks,function(a,o){if(0<o||n.reverse){var h=e.getDistanceFromCenterForValue(e.ticksAsNumbers[o]);if(i.display&&0!==o){x(e,i,h,o)}if(n.display){var u=l(n.fontColor,t.defaultFontColor);s.font=m;s.save();s.translate(e.xCenter,e.yCenter);s.rotate(d);if(n.showLabelBackdrop){var p=s.measureText(a).width;s.fillStyle=n.backdropColor;s.fillRect(-p/2-n.backdropPaddingX,-h-c/2-n.backdropPaddingY,p+2*n.backdropPaddingX,c+2*n.backdropPaddingY)}s.textAlign="center";s.textBaseline="middle";s.fillStyle=u;s.fillText(a,0,-h);s.restore()}}});if(a.angleLines.display||a.pointLabels.display){y(e)}}}});e.scaleService.registerScaleType("radialLinear",_,n)}},{25:25,34:34,45:45}],57:[function(e,t){"use strict";var a=e(6);a="function"==typeof a?a:window.moment;var o=e(25),n=e(45),l=Number.MIN_SAFE_INTEGER||-9007199254740991,s=Number.MAX_SAFE_INTEGER||9007199254740991,d={millisecond:{major:!0,size:1,steps:[1,2,5,10,20,50,100,250,500]},second:{major:!0,size:1e3,steps:[1,2,5,10,30]},minute:{major:!0,size:6e4,steps:[1,2,5,10,30]},hour:{major:!0,size:36e5,steps:[1,2,3,6,12]},day:{major:!0,size:864e5,steps:[1,2,5]},week:{major:!1,size:6048e5,steps:[1,2,3,4]},month:{major:!0,size:2628e6,steps:[1,2,3]},quarter:{major:!1,size:7884e6,steps:[1,2,3,4]},year:{major:!0,size:3154e7}},c=Object.keys(d);function h(e,t){return e-t}function u(e){var t={},a=[],o,n,l;for(o=0,n=e.length;o<n;++o){l=e[o];if(!t[l]){t[l]=!0;a.push(l)}}return a}function m(e,t,a,o){if("linear"===o||!e.length){return[{time:t,pos:0},{time:a,pos:1}]}var n=[],l=[t],s,d,c,h,u;for(s=0,d=e.length;s<d;++s){h=e[s];if(h>t&&h<a){l.push(h)}}l.push(a);for(s=0,d=l.length;s<d;++s){u=l[s+1];c=l[s-1];h=l[s];if(c===void 0||u===void 0||Math.round((u+c)/2)!==h){n.push({time:h,pos:s/(d-1)})}}return n}function p(e,t,a){var o=0,i=e.length-1,n,l,s;while(0<=o&&o<=i){n=o+i>>1;l=e[n-1]||null;s=e[n];if(!l){return{lo:null,hi:s}}else if(s[t]<a){o=n+1}else if(l[t]>a){i=n-1}else{return{lo:l,hi:s}}}return{lo:s,hi:null}}function f(e,t,a,o){var i=p(e,t,a),n=!i.lo?e[0]:!i.hi?e[e.length-2]:i.lo,l=!i.lo?e[1]:!i.hi?e[e.length-1]:i.hi,s=l[t]-n[t],d=s?(a-n[t])/s:0,c=(l[o]-n[o])*d;return n[o]+c}function y(e,t){var o=t.parser,i=t.parser||t.format;if("function"==typeof o){return o(e)}if("string"==typeof e&&"string"==typeof i){return a(e,i)}if(!(e instanceof a)){e=a(e)}if(e.isValid()){return e}if("function"==typeof i){return i(e)}return e}function x(e,t){if(n.isNullOrUndef(e)){return null}var a=t.options.time,o=y(t.getRightValue(e),a);if(!o.isValid()){return null}if(a.round){o.startOf(a.round)}return o.valueOf()}function k(e,t,a,o){var n=t-e,l=d[a],s=l.size,c=l.steps,h,u,m;if(!c){return Math.ceil(n/((o||1)*s))}for(h=0,u=c.length;h<u;++h){m=c[h];if(Math.ceil(n/(s*m))<=o){break}}return m}function _(e,t,a,o){var n=c.length,l,h,u;for(l=c.indexOf(e);l<n-1;++l){h=d[c[l]];u=h.steps?h.steps[h.steps.length-1]:s;if(Math.ceil((a-t)/(u*h.size))<=o){return c[l]}}return c[n-1]}function v(e){for(var t=c.indexOf(e)+1,a=c.length;t<a;++t){if(d[c[t]].major){return c[t]}}}function S(e,t,o,i,l,s){var c=s.time,h=n.valueOrDefault(c.stepSize,c.unitStepSize),u="week"===o?c.isoWeekday:!1,m=s.ticks.major.enabled,p=d[o],f=a(e),y=a(t),x=[],_;if(!h){h=k(e,t,o,l)}if(u){f=f.isoWeekday(u);y=y.isoWeekday(u)}f=f.startOf(u?"day":o);y=y.startOf(u?"day":o);if(y<t){y.add(1,o)}_=a(f);if(m&&i&&!u&&!c.round){_.startOf(i);_.add(~~((f-_)/(p.size*h))*h,o)}for(;_<y;_.add(h,o)){x.push(+_)}x.push(+_);return x}function w(e,t,a,o,i){var n=0,l=0,s,d;if(i.offset&&t.length){if(!i.time.min){s=1<t.length?t[1]:o;d=t[0];n=(f(e,"time",s,"pos")-f(e,"time",d,"pos"))/2}if(!i.time.max){s=t[t.length-1];d=1<t.length?t[t.length-2]:a;l=(f(e,"time",s,"pos")-f(e,"time",d,"pos"))/2}}return{left:n,right:l}}function D(e,t){var o=[],n,l,s,d;for(n=0,l=e.length;n<l;++n){s=e[n];d=t?s===+a(s).startOf(t):!1;o.push({value:s,major:d})}return o}t.exports=function(e){var t=e.Scale.extend({initialize:function initialize(){if(!a){throw new Error("Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com")}this.mergeTicksOptions();e.Scale.prototype.initialize.call(this)},update:function update(){var t=this,a=t.options;if(a.time&&a.time.format){console.warn("options.time.format is deprecated and replaced by options.time.parser.")}return e.Scale.prototype.update.apply(t,arguments)},getRightValue:function getRightValue(t){if(t&&t.t!==void 0){t=t.t}return e.Scale.prototype.getRightValue.call(this,t)},determineDataLimits:function determineDataLimits(){var e=this,t=e.chart,o=e.options.time,d=x(o.min,e)||s,c=x(o.max,e)||l,m=[],p=[],f=[],y,k,_,v,S,w;for(y=0,_=t.data.labels.length;y<_;++y){f.push(x(t.data.labels[y],e))}for(y=0,_=(t.data.datasets||[]).length;y<_;++y){if(t.isDatasetVisible(y)){S=t.data.datasets[y].data;if(n.isObject(S[0])){p[y]=[];for(k=0,v=S.length;k<v;++k){w=x(S[k],e);m.push(w);p[y][k]=w}}else{m.push.apply(m,f);p[y]=f.slice(0)}}else{p[y]=[]}}if(f.length){f=u(f).sort(h);d=Math.min(d,f[0]);c=Math.max(c,f[f.length-1])}if(m.length){m=u(m).sort(h);d=Math.min(d,m[0]);c=Math.max(c,m[m.length-1])}d=d===s?+a().startOf("day"):d;c=c===l?+a().endOf("day")+1:c;e.min=Math.min(d,c);e.max=Math.max(d+1,c);e._horizontal=e.isHorizontal();e._table=[];e._timestamps={data:m,datasets:p,labels:f}},buildTicks:function buildTicks(){var e=this,t=e.min,a=e.max,o=e.options,n=o.time,l=n.displayFormats,s=e.getLabelCapacity(t),d=n.unit||_(n.minUnit,t,a,s),c=v(d),h=[],u=[],p,f,y;switch(o.ticks.source){case"data":h=e._timestamps.data;break;case"labels":h=e._timestamps.labels;break;case"auto":default:h=S(t,a,d,c,s,o);}if("ticks"===o.bounds&&h.length){t=h[0];a=h[h.length-1]}t=x(n.min,e)||t;a=x(n.max,e)||a;for(p=0,f=h.length;p<f;++p){y=h[p];if(y>=t&&y<=a){u.push(y)}}e.min=t;e.max=a;e._unit=d;e._majorUnit=c;e._minorFormat=l[d];e._majorFormat=l[c];e._table=m(e._timestamps.data,t,a,o.distribution);e._offsets=w(e._table,u,t,a,o);return D(u,c)},getLabelForIndex:function getLabelForIndex(e,t){var a=this,o=a.chart.data,i=a.options.time,l=o.labels&&e<o.labels.length?o.labels[e]:"",s=o.datasets[t].data[e];if(n.isObject(s)){l=a.getRightValue(s)}if(i.tooltipFormat){l=y(l,i).format(i.tooltipFormat)}return l},tickFormatFunction:function tickFormatFunction(e,t,a){var o=this,i=o.options,l=e.valueOf(),s=o._majorUnit,d=o._majorFormat,c=e.clone().startOf(o._majorUnit).valueOf(),h=i.ticks.major,u=h.enabled&&s&&d&&l===c,m=e.format(u?d:o._minorFormat),p=u?h:i.ticks.minor,f=n.valueOrDefault(p.callback,p.userCallback);return f?f(m,t,a):m},convertTicksToLabels:function convertTicksToLabels(e){var t=[],o,n;for(o=0,n=e.length;o<n;++o){t.push(this.tickFormatFunction(a(e[o].value),o,e))}return t},getPixelForOffset:function getPixelForOffset(e){var t=this,a=t._horizontal?t.width:t.height,o=t._horizontal?t.left:t.top,i=f(t._table,"time",e,"pos");return o+a*(t._offsets.left+i)/(t._offsets.left+1+t._offsets.right)},getPixelForValue:function getPixelForValue(e,t,a){var o=this,i=null;if(t!==void 0&&a!==void 0){i=o._timestamps.datasets[a][t]}if(null===i){i=x(e,o)}if(null!==i){return o.getPixelForOffset(i)}},getPixelForTick:function getPixelForTick(e){var t=this.getTicks();return 0<=e&&e<t.length?this.getPixelForOffset(t[e].value):null},getValueForPixel:function getValueForPixel(e){var t=this,o=t._horizontal?t.width:t.height,i=t._horizontal?t.left:t.top,n=(o?(e-i)/o:0)*(t._offsets.left+1+t._offsets.left)-t._offsets.right,l=f(t._table,"pos",n,"time");return a(l)},getLabelWidth:function getLabelWidth(e){var t=this,a=t.options.ticks,i=t.ctx.measureText(e).width,l=n.toRadians(a.maxRotation),s=Math.cos(l),d=Math.sin(l),c=n.valueOrDefault(a.fontSize,o.global.defaultFontSize);return i*s+c*d},getLabelCapacity:function getLabelCapacity(e){var t=this;t._minorFormat=t.options.time.displayFormats.millisecond;var o=t.tickFormatFunction(a(e),0,[]),i=t.getLabelWidth(o),n=t.isHorizontal()?t.width:t.height;return Math.floor(n/i)}});e.scaleService.registerScaleType("time",t,{position:"bottom",distribution:"linear",bounds:"data",time:{parser:!1,format:!1,unit:!1,round:!1,displayFormat:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{millisecond:"h:mm:ss.SSS a",second:"h:mm:ss a",minute:"h:mm a",hour:"hA",day:"MMM D",week:"ll",month:"MMM YYYY",quarter:"[Q]Q - YYYY",year:"YYYY"}},ticks:{autoSkip:!1,source:"auto",major:{enabled:!1}}})}},{25:25,45:45,6:6}]},{},[7])(7)});
 //# sourceMappingURL=chartjs-lazy.min.js.map
diff --git a/lib/amd/build/chartjs-lazy.min.js.map b/lib/amd/build/chartjs-lazy.min.js.map
index 3a18a5e91bd..e462ddd6ea4 100644
--- a/lib/amd/build/chartjs-lazy.min.js.map
+++ b/lib/amd/build/chartjs-lazy.min.js.map
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* Chart.js\n * http://chartjs.org/\n * Version: 2.2.2\n *\n * Copyright 2016 Nick Downie\n * Released under the MIT license\n * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md\n */\n\n/**\n * Description of import into Moodle:\n *\n * - Download Chart.bundle.js from https://github.com/chartjs/Chart.js/releases.\n * - Copy Chart.bundle.js content to lib/amd/src/chartjs-lazy.js.\n * - Convert line endings to LF-Unix format.\n * - Keep these instructions to the file.\n * - Visit lib/tests/other/chartjstestpage.php to see if the library still works after the update.\n */\n\n(function(f){if(typeof exports===\"object\"&&typeof module!==\"undefined\"){module.exports=f()}else if(typeof define===\"function\"&&define.amd){define([],f)}else{var g;if(typeof window!==\"undefined\"){g=window}else if(typeof global!==\"undefined\"){g=global}else if(typeof self!==\"undefined\"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n\t/* MIT license */\n    var colorNames = require(5);\n\n    module.exports = {\n        getRgba: getRgba,\n        getHsla: getHsla,\n        getRgb: getRgb,\n        getHsl: getHsl,\n        getHwb: getHwb,\n        getAlpha: getAlpha,\n\n        hexString: hexString,\n        rgbString: rgbString,\n        rgbaString: rgbaString,\n        percentString: percentString,\n        percentaString: percentaString,\n        hslString: hslString,\n        hslaString: hslaString,\n        hwbString: hwbString,\n        keyword: keyword\n    }\n\n    function getRgba(string) {\n        if (!string) {\n            return;\n        }\n        var abbr =  /^#([a-fA-F0-9]{3})$/i,\n            hex =  /^#([a-fA-F0-9]{6})$/i,\n            rgba = /^rgba?\\(\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n            per = /^rgba?\\(\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n            keyword = /(\\w+)/;\n\n        var rgb = [0, 0, 0],\n            a = 1,\n            match = string.match(abbr);\n        if (match) {\n            match = match[1];\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match[i] + match[i], 16);\n            }\n        }\n        else if (match = string.match(hex)) {\n            match = match[1];\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);\n            }\n        }\n        else if (match = string.match(rgba)) {\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match[i + 1]);\n            }\n            a = parseFloat(match[4]);\n        }\n        else if (match = string.match(per)) {\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);\n            }\n            a = parseFloat(match[4]);\n        }\n        else if (match = string.match(keyword)) {\n            if (match[1] == \"transparent\") {\n                return [0, 0, 0, 0];\n            }\n            rgb = colorNames[match[1]];\n            if (!rgb) {\n                return;\n            }\n        }\n\n        for (var i = 0; i < rgb.length; i++) {\n            rgb[i] = scale(rgb[i], 0, 255);\n        }\n        if (!a && a != 0) {\n            a = 1;\n        }\n        else {\n            a = scale(a, 0, 1);\n        }\n        rgb[3] = a;\n        return rgb;\n    }\n\n    function getHsla(string) {\n        if (!string) {\n            return;\n        }\n        var hsl = /^hsla?\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n        var match = string.match(hsl);\n        if (match) {\n            var alpha = parseFloat(match[4]);\n            var h = scale(parseInt(match[1]), 0, 360),\n                s = scale(parseFloat(match[2]), 0, 100),\n                l = scale(parseFloat(match[3]), 0, 100),\n                a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n            return [h, s, l, a];\n        }\n    }\n\n    function getHwb(string) {\n        if (!string) {\n            return;\n        }\n        var hwb = /^hwb\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n        var match = string.match(hwb);\n        if (match) {\n            var alpha = parseFloat(match[4]);\n            var h = scale(parseInt(match[1]), 0, 360),\n                w = scale(parseFloat(match[2]), 0, 100),\n                b = scale(parseFloat(match[3]), 0, 100),\n                a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n            return [h, w, b, a];\n        }\n    }\n\n    function getRgb(string) {\n        var rgba = getRgba(string);\n        return rgba && rgba.slice(0, 3);\n    }\n\n    function getHsl(string) {\n        var hsla = getHsla(string);\n        return hsla && hsla.slice(0, 3);\n    }\n\n    function getAlpha(string) {\n        var vals = getRgba(string);\n        if (vals) {\n            return vals[3];\n        }\n        else if (vals = getHsla(string)) {\n            return vals[3];\n        }\n        else if (vals = getHwb(string)) {\n            return vals[3];\n        }\n    }\n\n// generators\n    function hexString(rgb) {\n        return \"#\" + hexDouble(rgb[0]) + hexDouble(rgb[1])\n            + hexDouble(rgb[2]);\n    }\n\n    function rgbString(rgba, alpha) {\n        if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n            return rgbaString(rgba, alpha);\n        }\n        return \"rgb(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2] + \")\";\n    }\n\n    function rgbaString(rgba, alpha) {\n        if (alpha === undefined) {\n            alpha = (rgba[3] !== undefined ? rgba[3] : 1);\n        }\n        return \"rgba(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2]\n            + \", \" + alpha + \")\";\n    }\n\n    function percentString(rgba, alpha) {\n        if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n            return percentaString(rgba, alpha);\n        }\n        var r = Math.round(rgba[0]/255 * 100),\n            g = Math.round(rgba[1]/255 * 100),\n            b = Math.round(rgba[2]/255 * 100);\n\n        return \"rgb(\" + r + \"%, \" + g + \"%, \" + b + \"%)\";\n    }\n\n    function percentaString(rgba, alpha) {\n        var r = Math.round(rgba[0]/255 * 100),\n            g = Math.round(rgba[1]/255 * 100),\n            b = Math.round(rgba[2]/255 * 100);\n        return \"rgba(\" + r + \"%, \" + g + \"%, \" + b + \"%, \" + (alpha || rgba[3] || 1) + \")\";\n    }\n\n    function hslString(hsla, alpha) {\n        if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {\n            return hslaString(hsla, alpha);\n        }\n        return \"hsl(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%)\";\n    }\n\n    function hslaString(hsla, alpha) {\n        if (alpha === undefined) {\n            alpha = (hsla[3] !== undefined ? hsla[3] : 1);\n        }\n        return \"hsla(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%, \"\n            + alpha + \")\";\n    }\n\n// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax\n// (hwb have alpha optional & 1 is default value)\n    function hwbString(hwb, alpha) {\n        if (alpha === undefined) {\n            alpha = (hwb[3] !== undefined ? hwb[3] : 1);\n        }\n        return \"hwb(\" + hwb[0] + \", \" + hwb[1] + \"%, \" + hwb[2] + \"%\"\n            + (alpha !== undefined && alpha !== 1 ? \", \" + alpha : \"\") + \")\";\n    }\n\n    function keyword(rgb) {\n        return reverseNames[rgb.slice(0, 3)];\n    }\n\n// helpers\n    function scale(num, min, max) {\n        return Math.min(Math.max(min, num), max);\n    }\n\n    function hexDouble(num) {\n        var str = num.toString(16).toUpperCase();\n        return (str.length < 2) ? \"0\" + str : str;\n    }\n\n\n//create a list of reverse color names\n    var reverseNames = {};\n    for (var name in colorNames) {\n        reverseNames[colorNames[name]] = name;\n    }\n\n},{\"5\":5}],2:[function(require,module,exports){\n\t/* MIT license */\n    var convert = require(4);\n    var string = require(1);\n\n    var Color = function (obj) {\n        if (obj instanceof Color) {\n            return obj;\n        }\n        if (!(this instanceof Color)) {\n            return new Color(obj);\n        }\n\n        this.valid = false;\n        this.values = {\n            rgb: [0, 0, 0],\n            hsl: [0, 0, 0],\n            hsv: [0, 0, 0],\n            hwb: [0, 0, 0],\n            cmyk: [0, 0, 0, 0],\n            alpha: 1\n        };\n\n        // parse Color() argument\n        var vals;\n        if (typeof obj === 'string') {\n            vals = string.getRgba(obj);\n            if (vals) {\n                this.setValues('rgb', vals);\n            } else if (vals = string.getHsla(obj)) {\n                this.setValues('hsl', vals);\n            } else if (vals = string.getHwb(obj)) {\n                this.setValues('hwb', vals);\n            }\n        } else if (typeof obj === 'object') {\n            vals = obj;\n            if (vals.r !== undefined || vals.red !== undefined) {\n                this.setValues('rgb', vals);\n            } else if (vals.l !== undefined || vals.lightness !== undefined) {\n                this.setValues('hsl', vals);\n            } else if (vals.v !== undefined || vals.value !== undefined) {\n                this.setValues('hsv', vals);\n            } else if (vals.w !== undefined || vals.whiteness !== undefined) {\n                this.setValues('hwb', vals);\n            } else if (vals.c !== undefined || vals.cyan !== undefined) {\n                this.setValues('cmyk', vals);\n            }\n        }\n    };\n\n    Color.prototype = {\n        isValid: function () {\n            return this.valid;\n        },\n        rgb: function () {\n            return this.setSpace('rgb', arguments);\n        },\n        hsl: function () {\n            return this.setSpace('hsl', arguments);\n        },\n        hsv: function () {\n            return this.setSpace('hsv', arguments);\n        },\n        hwb: function () {\n            return this.setSpace('hwb', arguments);\n        },\n        cmyk: function () {\n            return this.setSpace('cmyk', arguments);\n        },\n\n        rgbArray: function () {\n            return this.values.rgb;\n        },\n        hslArray: function () {\n            return this.values.hsl;\n        },\n        hsvArray: function () {\n            return this.values.hsv;\n        },\n        hwbArray: function () {\n            var values = this.values;\n            if (values.alpha !== 1) {\n                return values.hwb.concat([values.alpha]);\n            }\n            return values.hwb;\n        },\n        cmykArray: function () {\n            return this.values.cmyk;\n        },\n        rgbaArray: function () {\n            var values = this.values;\n            return values.rgb.concat([values.alpha]);\n        },\n        hslaArray: function () {\n            var values = this.values;\n            return values.hsl.concat([values.alpha]);\n        },\n        alpha: function (val) {\n            if (val === undefined) {\n                return this.values.alpha;\n            }\n            this.setValues('alpha', val);\n            return this;\n        },\n\n        red: function (val) {\n            return this.setChannel('rgb', 0, val);\n        },\n        green: function (val) {\n            return this.setChannel('rgb', 1, val);\n        },\n        blue: function (val) {\n            return this.setChannel('rgb', 2, val);\n        },\n        hue: function (val) {\n            if (val) {\n                val %= 360;\n                val = val < 0 ? 360 + val : val;\n            }\n            return this.setChannel('hsl', 0, val);\n        },\n        saturation: function (val) {\n            return this.setChannel('hsl', 1, val);\n        },\n        lightness: function (val) {\n            return this.setChannel('hsl', 2, val);\n        },\n        saturationv: function (val) {\n            return this.setChannel('hsv', 1, val);\n        },\n        whiteness: function (val) {\n            return this.setChannel('hwb', 1, val);\n        },\n        blackness: function (val) {\n            return this.setChannel('hwb', 2, val);\n        },\n        value: function (val) {\n            return this.setChannel('hsv', 2, val);\n        },\n        cyan: function (val) {\n            return this.setChannel('cmyk', 0, val);\n        },\n        magenta: function (val) {\n            return this.setChannel('cmyk', 1, val);\n        },\n        yellow: function (val) {\n            return this.setChannel('cmyk', 2, val);\n        },\n        black: function (val) {\n            return this.setChannel('cmyk', 3, val);\n        },\n\n        hexString: function () {\n            return string.hexString(this.values.rgb);\n        },\n        rgbString: function () {\n            return string.rgbString(this.values.rgb, this.values.alpha);\n        },\n        rgbaString: function () {\n            return string.rgbaString(this.values.rgb, this.values.alpha);\n        },\n        percentString: function () {\n            return string.percentString(this.values.rgb, this.values.alpha);\n        },\n        hslString: function () {\n            return string.hslString(this.values.hsl, this.values.alpha);\n        },\n        hslaString: function () {\n            return string.hslaString(this.values.hsl, this.values.alpha);\n        },\n        hwbString: function () {\n            return string.hwbString(this.values.hwb, this.values.alpha);\n        },\n        keyword: function () {\n            return string.keyword(this.values.rgb, this.values.alpha);\n        },\n\n        rgbNumber: function () {\n            var rgb = this.values.rgb;\n            return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];\n        },\n\n        luminosity: function () {\n            // http://www.w3.org/TR/WCAG20/#relativeluminancedef\n            var rgb = this.values.rgb;\n            var lum = [];\n            for (var i = 0; i < rgb.length; i++) {\n                var chan = rgb[i] / 255;\n                lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);\n            }\n            return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];\n        },\n\n        contrast: function (color2) {\n            // http://www.w3.org/TR/WCAG20/#contrast-ratiodef\n            var lum1 = this.luminosity();\n            var lum2 = color2.luminosity();\n            if (lum1 > lum2) {\n                return (lum1 + 0.05) / (lum2 + 0.05);\n            }\n            return (lum2 + 0.05) / (lum1 + 0.05);\n        },\n\n        level: function (color2) {\n            var contrastRatio = this.contrast(color2);\n            if (contrastRatio >= 7.1) {\n                return 'AAA';\n            }\n\n            return (contrastRatio >= 4.5) ? 'AA' : '';\n        },\n\n        dark: function () {\n            // YIQ equation from http://24ways.org/2010/calculating-color-contrast\n            var rgb = this.values.rgb;\n            var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;\n            return yiq < 128;\n        },\n\n        light: function () {\n            return !this.dark();\n        },\n\n        negate: function () {\n            var rgb = [];\n            for (var i = 0; i < 3; i++) {\n                rgb[i] = 255 - this.values.rgb[i];\n            }\n            this.setValues('rgb', rgb);\n            return this;\n        },\n\n        lighten: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[2] += hsl[2] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        darken: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[2] -= hsl[2] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        saturate: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[1] += hsl[1] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        desaturate: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[1] -= hsl[1] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        whiten: function (ratio) {\n            var hwb = this.values.hwb;\n            hwb[1] += hwb[1] * ratio;\n            this.setValues('hwb', hwb);\n            return this;\n        },\n\n        blacken: function (ratio) {\n            var hwb = this.values.hwb;\n            hwb[2] += hwb[2] * ratio;\n            this.setValues('hwb', hwb);\n            return this;\n        },\n\n        greyscale: function () {\n            var rgb = this.values.rgb;\n            // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale\n            var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;\n            this.setValues('rgb', [val, val, val]);\n            return this;\n        },\n\n        clearer: function (ratio) {\n            var alpha = this.values.alpha;\n            this.setValues('alpha', alpha - (alpha * ratio));\n            return this;\n        },\n\n        opaquer: function (ratio) {\n            var alpha = this.values.alpha;\n            this.setValues('alpha', alpha + (alpha * ratio));\n            return this;\n        },\n\n        rotate: function (degrees) {\n            var hsl = this.values.hsl;\n            var hue = (hsl[0] + degrees) % 360;\n            hsl[0] = hue < 0 ? 360 + hue : hue;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        /**\n         * Ported from sass implementation in C\n         * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209\n         */\n        mix: function (mixinColor, weight) {\n            var color1 = this;\n            var color2 = mixinColor;\n            var p = weight === undefined ? 0.5 : weight;\n\n            var w = 2 * p - 1;\n            var a = color1.alpha() - color2.alpha();\n\n            var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n            var w2 = 1 - w1;\n\n            return this\n                .rgb(\n                    w1 * color1.red() + w2 * color2.red(),\n                    w1 * color1.green() + w2 * color2.green(),\n                    w1 * color1.blue() + w2 * color2.blue()\n                )\n                .alpha(color1.alpha() * p + color2.alpha() * (1 - p));\n        },\n\n        toJSON: function () {\n            return this.rgb();\n        },\n\n        clone: function () {\n            // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,\n            // making the final build way to big to embed in Chart.js. So let's do it manually,\n            // assuming that values to clone are 1 dimension arrays containing only numbers,\n            // except 'alpha' which is a number.\n            var result = new Color();\n            var source = this.values;\n            var target = result.values;\n            var value, type;\n\n            for (var prop in source) {\n                if (source.hasOwnProperty(prop)) {\n                    value = source[prop];\n                    type = ({}).toString.call(value);\n                    if (type === '[object Array]') {\n                        target[prop] = value.slice(0);\n                    } else if (type === '[object Number]') {\n                        target[prop] = value;\n                    } else {\n                        console.error('unexpected color value:', value);\n                    }\n                }\n            }\n\n            return result;\n        }\n    };\n\n    Color.prototype.spaces = {\n        rgb: ['red', 'green', 'blue'],\n        hsl: ['hue', 'saturation', 'lightness'],\n        hsv: ['hue', 'saturation', 'value'],\n        hwb: ['hue', 'whiteness', 'blackness'],\n        cmyk: ['cyan', 'magenta', 'yellow', 'black']\n    };\n\n    Color.prototype.maxes = {\n        rgb: [255, 255, 255],\n        hsl: [360, 100, 100],\n        hsv: [360, 100, 100],\n        hwb: [360, 100, 100],\n        cmyk: [100, 100, 100, 100]\n    };\n\n    Color.prototype.getValues = function (space) {\n        var values = this.values;\n        var vals = {};\n\n        for (var i = 0; i < space.length; i++) {\n            vals[space.charAt(i)] = values[space][i];\n        }\n\n        if (values.alpha !== 1) {\n            vals.a = values.alpha;\n        }\n\n        // {r: 255, g: 255, b: 255, a: 0.4}\n        return vals;\n    };\n\n    Color.prototype.setValues = function (space, vals) {\n        var values = this.values;\n        var spaces = this.spaces;\n        var maxes = this.maxes;\n        var alpha = 1;\n        var i;\n\n        this.valid = true;\n\n        if (space === 'alpha') {\n            alpha = vals;\n        } else if (vals.length) {\n            // [10, 10, 10]\n            values[space] = vals.slice(0, space.length);\n            alpha = vals[space.length];\n        } else if (vals[space.charAt(0)] !== undefined) {\n            // {r: 10, g: 10, b: 10}\n            for (i = 0; i < space.length; i++) {\n                values[space][i] = vals[space.charAt(i)];\n            }\n\n            alpha = vals.a;\n        } else if (vals[spaces[space][0]] !== undefined) {\n            // {red: 10, green: 10, blue: 10}\n            var chans = spaces[space];\n\n            for (i = 0; i < space.length; i++) {\n                values[space][i] = vals[chans[i]];\n            }\n\n            alpha = vals.alpha;\n        }\n\n        values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));\n\n        if (space === 'alpha') {\n            return false;\n        }\n\n        var capped;\n\n        // cap values of the space prior converting all values\n        for (i = 0; i < space.length; i++) {\n            capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));\n            values[space][i] = Math.round(capped);\n        }\n\n        // convert to all the other color spaces\n        for (var sname in spaces) {\n            if (sname !== space) {\n                values[sname] = convert[space][sname](values[space]);\n            }\n        }\n\n        return true;\n    };\n\n    Color.prototype.setSpace = function (space, args) {\n        var vals = args[0];\n\n        if (vals === undefined) {\n            // color.rgb()\n            return this.getValues(space);\n        }\n\n        // color.rgb(10, 10, 10)\n        if (typeof vals === 'number') {\n            vals = Array.prototype.slice.call(args);\n        }\n\n        this.setValues(space, vals);\n        return this;\n    };\n\n    Color.prototype.setChannel = function (space, index, val) {\n        var svalues = this.values[space];\n        if (val === undefined) {\n            // color.red()\n            return svalues[index];\n        } else if (val === svalues[index]) {\n            // color.red(color.red())\n            return this;\n        }\n\n        // color.red(100)\n        svalues[index] = val;\n        this.setValues(space, svalues);\n\n        return this;\n    };\n\n    if (typeof window !== 'undefined') {\n        window.Color = Color;\n    }\n\n    module.exports = Color;\n\n},{\"1\":1,\"4\":4}],3:[function(require,module,exports){\n\t/* MIT license */\n\n    module.exports = {\n        rgb2hsl: rgb2hsl,\n        rgb2hsv: rgb2hsv,\n        rgb2hwb: rgb2hwb,\n        rgb2cmyk: rgb2cmyk,\n        rgb2keyword: rgb2keyword,\n        rgb2xyz: rgb2xyz,\n        rgb2lab: rgb2lab,\n        rgb2lch: rgb2lch,\n\n        hsl2rgb: hsl2rgb,\n        hsl2hsv: hsl2hsv,\n        hsl2hwb: hsl2hwb,\n        hsl2cmyk: hsl2cmyk,\n        hsl2keyword: hsl2keyword,\n\n        hsv2rgb: hsv2rgb,\n        hsv2hsl: hsv2hsl,\n        hsv2hwb: hsv2hwb,\n        hsv2cmyk: hsv2cmyk,\n        hsv2keyword: hsv2keyword,\n\n        hwb2rgb: hwb2rgb,\n        hwb2hsl: hwb2hsl,\n        hwb2hsv: hwb2hsv,\n        hwb2cmyk: hwb2cmyk,\n        hwb2keyword: hwb2keyword,\n\n        cmyk2rgb: cmyk2rgb,\n        cmyk2hsl: cmyk2hsl,\n        cmyk2hsv: cmyk2hsv,\n        cmyk2hwb: cmyk2hwb,\n        cmyk2keyword: cmyk2keyword,\n\n        keyword2rgb: keyword2rgb,\n        keyword2hsl: keyword2hsl,\n        keyword2hsv: keyword2hsv,\n        keyword2hwb: keyword2hwb,\n        keyword2cmyk: keyword2cmyk,\n        keyword2lab: keyword2lab,\n        keyword2xyz: keyword2xyz,\n\n        xyz2rgb: xyz2rgb,\n        xyz2lab: xyz2lab,\n        xyz2lch: xyz2lch,\n\n        lab2xyz: lab2xyz,\n        lab2rgb: lab2rgb,\n        lab2lch: lab2lch,\n\n        lch2lab: lch2lab,\n        lch2xyz: lch2xyz,\n        lch2rgb: lch2rgb\n    }\n\n\n    function rgb2hsl(rgb) {\n        var r = rgb[0]/255,\n            g = rgb[1]/255,\n            b = rgb[2]/255,\n            min = Math.min(r, g, b),\n            max = Math.max(r, g, b),\n            delta = max - min,\n            h, s, l;\n\n        if (max == min)\n            h = 0;\n        else if (r == max)\n            h = (g - b) / delta;\n        else if (g == max)\n            h = 2 + (b - r) / delta;\n        else if (b == max)\n            h = 4 + (r - g)/ delta;\n\n        h = Math.min(h * 60, 360);\n\n        if (h < 0)\n            h += 360;\n\n        l = (min + max) / 2;\n\n        if (max == min)\n            s = 0;\n        else if (l <= 0.5)\n            s = delta / (max + min);\n        else\n            s = delta / (2 - max - min);\n\n        return [h, s * 100, l * 100];\n    }\n\n    function rgb2hsv(rgb) {\n        var r = rgb[0],\n            g = rgb[1],\n            b = rgb[2],\n            min = Math.min(r, g, b),\n            max = Math.max(r, g, b),\n            delta = max - min,\n            h, s, v;\n\n        if (max == 0)\n            s = 0;\n        else\n            s = (delta/max * 1000)/10;\n\n        if (max == min)\n            h = 0;\n        else if (r == max)\n            h = (g - b) / delta;\n        else if (g == max)\n            h = 2 + (b - r) / delta;\n        else if (b == max)\n            h = 4 + (r - g) / delta;\n\n        h = Math.min(h * 60, 360);\n\n        if (h < 0)\n            h += 360;\n\n        v = ((max / 255) * 1000) / 10;\n\n        return [h, s, v];\n    }\n\n    function rgb2hwb(rgb) {\n        var r = rgb[0],\n            g = rgb[1],\n            b = rgb[2],\n            h = rgb2hsl(rgb)[0],\n            w = 1/255 * Math.min(r, Math.min(g, b)),\n            b = 1 - 1/255 * Math.max(r, Math.max(g, b));\n\n        return [h, w * 100, b * 100];\n    }\n\n    function rgb2cmyk(rgb) {\n        var r = rgb[0] / 255,\n            g = rgb[1] / 255,\n            b = rgb[2] / 255,\n            c, m, y, k;\n\n        k = Math.min(1 - r, 1 - g, 1 - b);\n        c = (1 - r - k) / (1 - k) || 0;\n        m = (1 - g - k) / (1 - k) || 0;\n        y = (1 - b - k) / (1 - k) || 0;\n        return [c * 100, m * 100, y * 100, k * 100];\n    }\n\n    function rgb2keyword(rgb) {\n        return reverseKeywords[JSON.stringify(rgb)];\n    }\n\n    function rgb2xyz(rgb) {\n        var r = rgb[0] / 255,\n            g = rgb[1] / 255,\n            b = rgb[2] / 255;\n\n        // assume sRGB\n        r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);\n        g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);\n        b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);\n\n        var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);\n        var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);\n        var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);\n\n        return [x * 100, y *100, z * 100];\n    }\n\n    function rgb2lab(rgb) {\n        var xyz = rgb2xyz(rgb),\n            x = xyz[0],\n            y = xyz[1],\n            z = xyz[2],\n            l, a, b;\n\n        x /= 95.047;\n        y /= 100;\n        z /= 108.883;\n\n        x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n        y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n        z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n        l = (116 * y) - 16;\n        a = 500 * (x - y);\n        b = 200 * (y - z);\n\n        return [l, a, b];\n    }\n\n    function rgb2lch(args) {\n        return lab2lch(rgb2lab(args));\n    }\n\n    function hsl2rgb(hsl) {\n        var h = hsl[0] / 360,\n            s = hsl[1] / 100,\n            l = hsl[2] / 100,\n            t1, t2, t3, rgb, val;\n\n        if (s == 0) {\n            val = l * 255;\n            return [val, val, val];\n        }\n\n        if (l < 0.5)\n            t2 = l * (1 + s);\n        else\n            t2 = l + s - l * s;\n        t1 = 2 * l - t2;\n\n        rgb = [0, 0, 0];\n        for (var i = 0; i < 3; i++) {\n            t3 = h + 1 / 3 * - (i - 1);\n            t3 < 0 && t3++;\n            t3 > 1 && t3--;\n\n            if (6 * t3 < 1)\n                val = t1 + (t2 - t1) * 6 * t3;\n            else if (2 * t3 < 1)\n                val = t2;\n            else if (3 * t3 < 2)\n                val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;\n            else\n                val = t1;\n\n            rgb[i] = val * 255;\n        }\n\n        return rgb;\n    }\n\n    function hsl2hsv(hsl) {\n        var h = hsl[0],\n            s = hsl[1] / 100,\n            l = hsl[2] / 100,\n            sv, v;\n\n        if(l === 0) {\n            // no need to do calc on black\n            // also avoids divide by 0 error\n            return [0, 0, 0];\n        }\n\n        l *= 2;\n        s *= (l <= 1) ? l : 2 - l;\n        v = (l + s) / 2;\n        sv = (2 * s) / (l + s);\n        return [h, sv * 100, v * 100];\n    }\n\n    function hsl2hwb(args) {\n        return rgb2hwb(hsl2rgb(args));\n    }\n\n    function hsl2cmyk(args) {\n        return rgb2cmyk(hsl2rgb(args));\n    }\n\n    function hsl2keyword(args) {\n        return rgb2keyword(hsl2rgb(args));\n    }\n\n\n    function hsv2rgb(hsv) {\n        var h = hsv[0] / 60,\n            s = hsv[1] / 100,\n            v = hsv[2] / 100,\n            hi = Math.floor(h) % 6;\n\n        var f = h - Math.floor(h),\n            p = 255 * v * (1 - s),\n            q = 255 * v * (1 - (s * f)),\n            t = 255 * v * (1 - (s * (1 - f))),\n            v = 255 * v;\n\n        switch(hi) {\n            case 0:\n                return [v, t, p];\n            case 1:\n                return [q, v, p];\n            case 2:\n                return [p, v, t];\n            case 3:\n                return [p, q, v];\n            case 4:\n                return [t, p, v];\n            case 5:\n                return [v, p, q];\n        }\n    }\n\n    function hsv2hsl(hsv) {\n        var h = hsv[0],\n            s = hsv[1] / 100,\n            v = hsv[2] / 100,\n            sl, l;\n\n        l = (2 - s) * v;\n        sl = s * v;\n        sl /= (l <= 1) ? l : 2 - l;\n        sl = sl || 0;\n        l /= 2;\n        return [h, sl * 100, l * 100];\n    }\n\n    function hsv2hwb(args) {\n        return rgb2hwb(hsv2rgb(args))\n    }\n\n    function hsv2cmyk(args) {\n        return rgb2cmyk(hsv2rgb(args));\n    }\n\n    function hsv2keyword(args) {\n        return rgb2keyword(hsv2rgb(args));\n    }\n\n// http://dev.w3.org/csswg/css-color/#hwb-to-rgb\n    function hwb2rgb(hwb) {\n        var h = hwb[0] / 360,\n            wh = hwb[1] / 100,\n            bl = hwb[2] / 100,\n            ratio = wh + bl,\n            i, v, f, n;\n\n        // wh + bl cant be > 1\n        if (ratio > 1) {\n            wh /= ratio;\n            bl /= ratio;\n        }\n\n        i = Math.floor(6 * h);\n        v = 1 - bl;\n        f = 6 * h - i;\n        if ((i & 0x01) != 0) {\n            f = 1 - f;\n        }\n        n = wh + f * (v - wh);  // linear interpolation\n\n        switch (i) {\n            default:\n            case 6:\n            case 0: r = v; g = n; b = wh; break;\n            case 1: r = n; g = v; b = wh; break;\n            case 2: r = wh; g = v; b = n; break;\n            case 3: r = wh; g = n; b = v; break;\n            case 4: r = n; g = wh; b = v; break;\n            case 5: r = v; g = wh; b = n; break;\n        }\n\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function hwb2hsl(args) {\n        return rgb2hsl(hwb2rgb(args));\n    }\n\n    function hwb2hsv(args) {\n        return rgb2hsv(hwb2rgb(args));\n    }\n\n    function hwb2cmyk(args) {\n        return rgb2cmyk(hwb2rgb(args));\n    }\n\n    function hwb2keyword(args) {\n        return rgb2keyword(hwb2rgb(args));\n    }\n\n    function cmyk2rgb(cmyk) {\n        var c = cmyk[0] / 100,\n            m = cmyk[1] / 100,\n            y = cmyk[2] / 100,\n            k = cmyk[3] / 100,\n            r, g, b;\n\n        r = 1 - Math.min(1, c * (1 - k) + k);\n        g = 1 - Math.min(1, m * (1 - k) + k);\n        b = 1 - Math.min(1, y * (1 - k) + k);\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function cmyk2hsl(args) {\n        return rgb2hsl(cmyk2rgb(args));\n    }\n\n    function cmyk2hsv(args) {\n        return rgb2hsv(cmyk2rgb(args));\n    }\n\n    function cmyk2hwb(args) {\n        return rgb2hwb(cmyk2rgb(args));\n    }\n\n    function cmyk2keyword(args) {\n        return rgb2keyword(cmyk2rgb(args));\n    }\n\n\n    function xyz2rgb(xyz) {\n        var x = xyz[0] / 100,\n            y = xyz[1] / 100,\n            z = xyz[2] / 100,\n            r, g, b;\n\n        r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);\n        g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);\n        b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);\n\n        // assume sRGB\n        r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)\n            : r = (r * 12.92);\n\n        g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)\n            : g = (g * 12.92);\n\n        b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)\n            : b = (b * 12.92);\n\n        r = Math.min(Math.max(0, r), 1);\n        g = Math.min(Math.max(0, g), 1);\n        b = Math.min(Math.max(0, b), 1);\n\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function xyz2lab(xyz) {\n        var x = xyz[0],\n            y = xyz[1],\n            z = xyz[2],\n            l, a, b;\n\n        x /= 95.047;\n        y /= 100;\n        z /= 108.883;\n\n        x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n        y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n        z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n        l = (116 * y) - 16;\n        a = 500 * (x - y);\n        b = 200 * (y - z);\n\n        return [l, a, b];\n    }\n\n    function xyz2lch(args) {\n        return lab2lch(xyz2lab(args));\n    }\n\n    function lab2xyz(lab) {\n        var l = lab[0],\n            a = lab[1],\n            b = lab[2],\n            x, y, z, y2;\n\n        if (l <= 8) {\n            y = (l * 100) / 903.3;\n            y2 = (7.787 * (y / 100)) + (16 / 116);\n        } else {\n            y = 100 * Math.pow((l + 16) / 116, 3);\n            y2 = Math.pow(y / 100, 1/3);\n        }\n\n        x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3);\n\n        z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3);\n\n        return [x, y, z];\n    }\n\n    function lab2lch(lab) {\n        var l = lab[0],\n            a = lab[1],\n            b = lab[2],\n            hr, h, c;\n\n        hr = Math.atan2(b, a);\n        h = hr * 360 / 2 / Math.PI;\n        if (h < 0) {\n            h += 360;\n        }\n        c = Math.sqrt(a * a + b * b);\n        return [l, c, h];\n    }\n\n    function lab2rgb(args) {\n        return xyz2rgb(lab2xyz(args));\n    }\n\n    function lch2lab(lch) {\n        var l = lch[0],\n            c = lch[1],\n            h = lch[2],\n            a, b, hr;\n\n        hr = h / 360 * 2 * Math.PI;\n        a = c * Math.cos(hr);\n        b = c * Math.sin(hr);\n        return [l, a, b];\n    }\n\n    function lch2xyz(args) {\n        return lab2xyz(lch2lab(args));\n    }\n\n    function lch2rgb(args) {\n        return lab2rgb(lch2lab(args));\n    }\n\n    function keyword2rgb(keyword) {\n        return cssKeywords[keyword];\n    }\n\n    function keyword2hsl(args) {\n        return rgb2hsl(keyword2rgb(args));\n    }\n\n    function keyword2hsv(args) {\n        return rgb2hsv(keyword2rgb(args));\n    }\n\n    function keyword2hwb(args) {\n        return rgb2hwb(keyword2rgb(args));\n    }\n\n    function keyword2cmyk(args) {\n        return rgb2cmyk(keyword2rgb(args));\n    }\n\n    function keyword2lab(args) {\n        return rgb2lab(keyword2rgb(args));\n    }\n\n    function keyword2xyz(args) {\n        return rgb2xyz(keyword2rgb(args));\n    }\n\n    var cssKeywords = {\n        aliceblue:  [240,248,255],\n        antiquewhite: [250,235,215],\n        aqua: [0,255,255],\n        aquamarine: [127,255,212],\n        azure:  [240,255,255],\n        beige:  [245,245,220],\n        bisque: [255,228,196],\n        black:  [0,0,0],\n        blanchedalmond: [255,235,205],\n        blue: [0,0,255],\n        blueviolet: [138,43,226],\n        brown:  [165,42,42],\n        burlywood:  [222,184,135],\n        cadetblue:  [95,158,160],\n        chartreuse: [127,255,0],\n        chocolate:  [210,105,30],\n        coral:  [255,127,80],\n        cornflowerblue: [100,149,237],\n        cornsilk: [255,248,220],\n        crimson:  [220,20,60],\n        cyan: [0,255,255],\n        darkblue: [0,0,139],\n        darkcyan: [0,139,139],\n        darkgoldenrod:  [184,134,11],\n        darkgray: [169,169,169],\n        darkgreen:  [0,100,0],\n        darkgrey: [169,169,169],\n        darkkhaki:  [189,183,107],\n        darkmagenta:  [139,0,139],\n        darkolivegreen: [85,107,47],\n        darkorange: [255,140,0],\n        darkorchid: [153,50,204],\n        darkred:  [139,0,0],\n        darksalmon: [233,150,122],\n        darkseagreen: [143,188,143],\n        darkslateblue:  [72,61,139],\n        darkslategray:  [47,79,79],\n        darkslategrey:  [47,79,79],\n        darkturquoise:  [0,206,209],\n        darkviolet: [148,0,211],\n        deeppink: [255,20,147],\n        deepskyblue:  [0,191,255],\n        dimgray:  [105,105,105],\n        dimgrey:  [105,105,105],\n        dodgerblue: [30,144,255],\n        firebrick:  [178,34,34],\n        floralwhite:  [255,250,240],\n        forestgreen:  [34,139,34],\n        fuchsia:  [255,0,255],\n        gainsboro:  [220,220,220],\n        ghostwhite: [248,248,255],\n        gold: [255,215,0],\n        goldenrod:  [218,165,32],\n        gray: [128,128,128],\n        green:  [0,128,0],\n        greenyellow:  [173,255,47],\n        grey: [128,128,128],\n        honeydew: [240,255,240],\n        hotpink:  [255,105,180],\n        indianred:  [205,92,92],\n        indigo: [75,0,130],\n        ivory:  [255,255,240],\n        khaki:  [240,230,140],\n        lavender: [230,230,250],\n        lavenderblush:  [255,240,245],\n        lawngreen:  [124,252,0],\n        lemonchiffon: [255,250,205],\n        lightblue:  [173,216,230],\n        lightcoral: [240,128,128],\n        lightcyan:  [224,255,255],\n        lightgoldenrodyellow: [250,250,210],\n        lightgray:  [211,211,211],\n        lightgreen: [144,238,144],\n        lightgrey:  [211,211,211],\n        lightpink:  [255,182,193],\n        lightsalmon:  [255,160,122],\n        lightseagreen:  [32,178,170],\n        lightskyblue: [135,206,250],\n        lightslategray: [119,136,153],\n        lightslategrey: [119,136,153],\n        lightsteelblue: [176,196,222],\n        lightyellow:  [255,255,224],\n        lime: [0,255,0],\n        limegreen:  [50,205,50],\n        linen:  [250,240,230],\n        magenta:  [255,0,255],\n        maroon: [128,0,0],\n        mediumaquamarine: [102,205,170],\n        mediumblue: [0,0,205],\n        mediumorchid: [186,85,211],\n        mediumpurple: [147,112,219],\n        mediumseagreen: [60,179,113],\n        mediumslateblue:  [123,104,238],\n        mediumspringgreen:  [0,250,154],\n        mediumturquoise:  [72,209,204],\n        mediumvioletred:  [199,21,133],\n        midnightblue: [25,25,112],\n        mintcream:  [245,255,250],\n        mistyrose:  [255,228,225],\n        moccasin: [255,228,181],\n        navajowhite:  [255,222,173],\n        navy: [0,0,128],\n        oldlace:  [253,245,230],\n        olive:  [128,128,0],\n        olivedrab:  [107,142,35],\n        orange: [255,165,0],\n        orangered:  [255,69,0],\n        orchid: [218,112,214],\n        palegoldenrod:  [238,232,170],\n        palegreen:  [152,251,152],\n        paleturquoise:  [175,238,238],\n        palevioletred:  [219,112,147],\n        papayawhip: [255,239,213],\n        peachpuff:  [255,218,185],\n        peru: [205,133,63],\n        pink: [255,192,203],\n        plum: [221,160,221],\n        powderblue: [176,224,230],\n        purple: [128,0,128],\n        rebeccapurple: [102, 51, 153],\n        red:  [255,0,0],\n        rosybrown:  [188,143,143],\n        royalblue:  [65,105,225],\n        saddlebrown:  [139,69,19],\n        salmon: [250,128,114],\n        sandybrown: [244,164,96],\n        seagreen: [46,139,87],\n        seashell: [255,245,238],\n        sienna: [160,82,45],\n        silver: [192,192,192],\n        skyblue:  [135,206,235],\n        slateblue:  [106,90,205],\n        slategray:  [112,128,144],\n        slategrey:  [112,128,144],\n        snow: [255,250,250],\n        springgreen:  [0,255,127],\n        steelblue:  [70,130,180],\n        tan:  [210,180,140],\n        teal: [0,128,128],\n        thistle:  [216,191,216],\n        tomato: [255,99,71],\n        turquoise:  [64,224,208],\n        violet: [238,130,238],\n        wheat:  [245,222,179],\n        white:  [255,255,255],\n        whitesmoke: [245,245,245],\n        yellow: [255,255,0],\n        yellowgreen:  [154,205,50]\n    };\n\n    var reverseKeywords = {};\n    for (var key in cssKeywords) {\n        reverseKeywords[JSON.stringify(cssKeywords[key])] = key;\n    }\n\n},{}],4:[function(require,module,exports){\n    var conversions = require(3);\n\n    var convert = function() {\n        return new Converter();\n    }\n\n    for (var func in conversions) {\n        // export Raw versions\n        convert[func + \"Raw\"] =  (function(func) {\n            // accept array or plain args\n            return function(arg) {\n                if (typeof arg == \"number\")\n                    arg = Array.prototype.slice.call(arguments);\n                return conversions[func](arg);\n            }\n        })(func);\n\n        var pair = /(\\w+)2(\\w+)/.exec(func),\n            from = pair[1],\n            to = pair[2];\n\n        // export rgb2hsl and [\"rgb\"][\"hsl\"]\n        convert[from] = convert[from] || {};\n\n        convert[from][to] = convert[func] = (function(func) {\n            return function(arg) {\n                if (typeof arg == \"number\")\n                    arg = Array.prototype.slice.call(arguments);\n\n                var val = conversions[func](arg);\n                if (typeof val == \"string\" || val === undefined)\n                    return val; // keyword\n\n                for (var i = 0; i < val.length; i++)\n                    val[i] = Math.round(val[i]);\n                return val;\n            }\n        })(func);\n    }\n\n\n\t/* Converter does lazy conversion and caching */\n    var Converter = function() {\n        this.convs = {};\n    };\n\n\t/* Either get the values for a space or\n\t set the values for a space, depending on args */\n    Converter.prototype.routeSpace = function(space, args) {\n        var values = args[0];\n        if (values === undefined) {\n            // color.rgb()\n            return this.getValues(space);\n        }\n        // color.rgb(10, 10, 10)\n        if (typeof values == \"number\") {\n            values = Array.prototype.slice.call(args);\n        }\n\n        return this.setValues(space, values);\n    };\n\n\t/* Set the values for a space, invalidating cache */\n    Converter.prototype.setValues = function(space, values) {\n        this.space = space;\n        this.convs = {};\n        this.convs[space] = values;\n        return this;\n    };\n\n\t/* Get the values for a space. If there's already\n\t a conversion for the space, fetch it, otherwise\n\t compute it */\n    Converter.prototype.getValues = function(space) {\n        var vals = this.convs[space];\n        if (!vals) {\n            var fspace = this.space,\n                from = this.convs[fspace];\n            vals = convert[fspace][space](from);\n\n            this.convs[space] = vals;\n        }\n        return vals;\n    };\n\n    [\"rgb\", \"hsl\", \"hsv\", \"cmyk\", \"keyword\"].forEach(function(space) {\n        Converter.prototype[space] = function(vals) {\n            return this.routeSpace(space, arguments);\n        }\n    });\n\n    module.exports = convert;\n},{\"3\":3}],5:[function(require,module,exports){\n    'use strict'\n\n    module.exports = {\n        \"aliceblue\": [240, 248, 255],\n        \"antiquewhite\": [250, 235, 215],\n        \"aqua\": [0, 255, 255],\n        \"aquamarine\": [127, 255, 212],\n        \"azure\": [240, 255, 255],\n        \"beige\": [245, 245, 220],\n        \"bisque\": [255, 228, 196],\n        \"black\": [0, 0, 0],\n        \"blanchedalmond\": [255, 235, 205],\n        \"blue\": [0, 0, 255],\n        \"blueviolet\": [138, 43, 226],\n        \"brown\": [165, 42, 42],\n        \"burlywood\": [222, 184, 135],\n        \"cadetblue\": [95, 158, 160],\n        \"chartreuse\": [127, 255, 0],\n        \"chocolate\": [210, 105, 30],\n        \"coral\": [255, 127, 80],\n        \"cornflowerblue\": [100, 149, 237],\n        \"cornsilk\": [255, 248, 220],\n        \"crimson\": [220, 20, 60],\n        \"cyan\": [0, 255, 255],\n        \"darkblue\": [0, 0, 139],\n        \"darkcyan\": [0, 139, 139],\n        \"darkgoldenrod\": [184, 134, 11],\n        \"darkgray\": [169, 169, 169],\n        \"darkgreen\": [0, 100, 0],\n        \"darkgrey\": [169, 169, 169],\n        \"darkkhaki\": [189, 183, 107],\n        \"darkmagenta\": [139, 0, 139],\n        \"darkolivegreen\": [85, 107, 47],\n        \"darkorange\": [255, 140, 0],\n        \"darkorchid\": [153, 50, 204],\n        \"darkred\": [139, 0, 0],\n        \"darksalmon\": [233, 150, 122],\n        \"darkseagreen\": [143, 188, 143],\n        \"darkslateblue\": [72, 61, 139],\n        \"darkslategray\": [47, 79, 79],\n        \"darkslategrey\": [47, 79, 79],\n        \"darkturquoise\": [0, 206, 209],\n        \"darkviolet\": [148, 0, 211],\n        \"deeppink\": [255, 20, 147],\n        \"deepskyblue\": [0, 191, 255],\n        \"dimgray\": [105, 105, 105],\n        \"dimgrey\": [105, 105, 105],\n        \"dodgerblue\": [30, 144, 255],\n        \"firebrick\": [178, 34, 34],\n        \"floralwhite\": [255, 250, 240],\n        \"forestgreen\": [34, 139, 34],\n        \"fuchsia\": [255, 0, 255],\n        \"gainsboro\": [220, 220, 220],\n        \"ghostwhite\": [248, 248, 255],\n        \"gold\": [255, 215, 0],\n        \"goldenrod\": [218, 165, 32],\n        \"gray\": [128, 128, 128],\n        \"green\": [0, 128, 0],\n        \"greenyellow\": [173, 255, 47],\n        \"grey\": [128, 128, 128],\n        \"honeydew\": [240, 255, 240],\n        \"hotpink\": [255, 105, 180],\n        \"indianred\": [205, 92, 92],\n        \"indigo\": [75, 0, 130],\n        \"ivory\": [255, 255, 240],\n        \"khaki\": [240, 230, 140],\n        \"lavender\": [230, 230, 250],\n        \"lavenderblush\": [255, 240, 245],\n        \"lawngreen\": [124, 252, 0],\n        \"lemonchiffon\": [255, 250, 205],\n        \"lightblue\": [173, 216, 230],\n        \"lightcoral\": [240, 128, 128],\n        \"lightcyan\": [224, 255, 255],\n        \"lightgoldenrodyellow\": [250, 250, 210],\n        \"lightgray\": [211, 211, 211],\n        \"lightgreen\": [144, 238, 144],\n        \"lightgrey\": [211, 211, 211],\n        \"lightpink\": [255, 182, 193],\n        \"lightsalmon\": [255, 160, 122],\n        \"lightseagreen\": [32, 178, 170],\n        \"lightskyblue\": [135, 206, 250],\n        \"lightslategray\": [119, 136, 153],\n        \"lightslategrey\": [119, 136, 153],\n        \"lightsteelblue\": [176, 196, 222],\n        \"lightyellow\": [255, 255, 224],\n        \"lime\": [0, 255, 0],\n        \"limegreen\": [50, 205, 50],\n        \"linen\": [250, 240, 230],\n        \"magenta\": [255, 0, 255],\n        \"maroon\": [128, 0, 0],\n        \"mediumaquamarine\": [102, 205, 170],\n        \"mediumblue\": [0, 0, 205],\n        \"mediumorchid\": [186, 85, 211],\n        \"mediumpurple\": [147, 112, 219],\n        \"mediumseagreen\": [60, 179, 113],\n        \"mediumslateblue\": [123, 104, 238],\n        \"mediumspringgreen\": [0, 250, 154],\n        \"mediumturquoise\": [72, 209, 204],\n        \"mediumvioletred\": [199, 21, 133],\n        \"midnightblue\": [25, 25, 112],\n        \"mintcream\": [245, 255, 250],\n        \"mistyrose\": [255, 228, 225],\n        \"moccasin\": [255, 228, 181],\n        \"navajowhite\": [255, 222, 173],\n        \"navy\": [0, 0, 128],\n        \"oldlace\": [253, 245, 230],\n        \"olive\": [128, 128, 0],\n        \"olivedrab\": [107, 142, 35],\n        \"orange\": [255, 165, 0],\n        \"orangered\": [255, 69, 0],\n        \"orchid\": [218, 112, 214],\n        \"palegoldenrod\": [238, 232, 170],\n        \"palegreen\": [152, 251, 152],\n        \"paleturquoise\": [175, 238, 238],\n        \"palevioletred\": [219, 112, 147],\n        \"papayawhip\": [255, 239, 213],\n        \"peachpuff\": [255, 218, 185],\n        \"peru\": [205, 133, 63],\n        \"pink\": [255, 192, 203],\n        \"plum\": [221, 160, 221],\n        \"powderblue\": [176, 224, 230],\n        \"purple\": [128, 0, 128],\n        \"rebeccapurple\": [102, 51, 153],\n        \"red\": [255, 0, 0],\n        \"rosybrown\": [188, 143, 143],\n        \"royalblue\": [65, 105, 225],\n        \"saddlebrown\": [139, 69, 19],\n        \"salmon\": [250, 128, 114],\n        \"sandybrown\": [244, 164, 96],\n        \"seagreen\": [46, 139, 87],\n        \"seashell\": [255, 245, 238],\n        \"sienna\": [160, 82, 45],\n        \"silver\": [192, 192, 192],\n        \"skyblue\": [135, 206, 235],\n        \"slateblue\": [106, 90, 205],\n        \"slategray\": [112, 128, 144],\n        \"slategrey\": [112, 128, 144],\n        \"snow\": [255, 250, 250],\n        \"springgreen\": [0, 255, 127],\n        \"steelblue\": [70, 130, 180],\n        \"tan\": [210, 180, 140],\n        \"teal\": [0, 128, 128],\n        \"thistle\": [216, 191, 216],\n        \"tomato\": [255, 99, 71],\n        \"turquoise\": [64, 224, 208],\n        \"violet\": [238, 130, 238],\n        \"wheat\": [245, 222, 179],\n        \"white\": [255, 255, 255],\n        \"whitesmoke\": [245, 245, 245],\n        \"yellow\": [255, 255, 0],\n        \"yellowgreen\": [154, 205, 50]\n    };\n\n},{}],6:[function(require,module,exports){\n//! moment.js\n//! version : 2.18.1\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n\n    ;(function (global, factory) {\n        typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n            typeof define === 'function' && define.amd ? define(factory) :\n                global.moment = factory()\n    }(this, (function () { 'use strict';\n\n        var hookCallback;\n\n        function hooks () {\n            return hookCallback.apply(null, arguments);\n        }\n\n// This is done to register the method called with moment()\n// without creating circular dependencies.\n        function setHookCallback (callback) {\n            hookCallback = callback;\n        }\n\n        function isArray(input) {\n            return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';\n        }\n\n        function isObject(input) {\n            // IE8 will treat undefined and null as object if it wasn't for\n            // input != null\n            return input != null && Object.prototype.toString.call(input) === '[object Object]';\n        }\n\n        function isObjectEmpty(obj) {\n            var k;\n            for (k in obj) {\n                // even if its not own property I'd still call it non-empty\n                return false;\n            }\n            return true;\n        }\n\n        function isUndefined(input) {\n            return input === void 0;\n        }\n\n        function isNumber(input) {\n            return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';\n        }\n\n        function isDate(input) {\n            return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';\n        }\n\n        function map(arr, fn) {\n            var res = [], i;\n            for (i = 0; i < arr.length; ++i) {\n                res.push(fn(arr[i], i));\n            }\n            return res;\n        }\n\n        function hasOwnProp(a, b) {\n            return Object.prototype.hasOwnProperty.call(a, b);\n        }\n\n        function extend(a, b) {\n            for (var i in b) {\n                if (hasOwnProp(b, i)) {\n                    a[i] = b[i];\n                }\n            }\n\n            if (hasOwnProp(b, 'toString')) {\n                a.toString = b.toString;\n            }\n\n            if (hasOwnProp(b, 'valueOf')) {\n                a.valueOf = b.valueOf;\n            }\n\n            return a;\n        }\n\n        function createUTC (input, format, locale, strict) {\n            return createLocalOrUTC(input, format, locale, strict, true).utc();\n        }\n\n        function defaultParsingFlags() {\n            // We need to deep clone this object.\n            return {\n                empty           : false,\n                unusedTokens    : [],\n                unusedInput     : [],\n                overflow        : -2,\n                charsLeftOver   : 0,\n                nullInput       : false,\n                invalidMonth    : null,\n                invalidFormat   : false,\n                userInvalidated : false,\n                iso             : false,\n                parsedDateParts : [],\n                meridiem        : null,\n                rfc2822         : false,\n                weekdayMismatch : false\n            };\n        }\n\n        function getParsingFlags(m) {\n            if (m._pf == null) {\n                m._pf = defaultParsingFlags();\n            }\n            return m._pf;\n        }\n\n        var some;\n        if (Array.prototype.some) {\n            some = Array.prototype.some;\n        } else {\n            some = function (fun) {\n                var t = Object(this);\n                var len = t.length >>> 0;\n\n                for (var i = 0; i < len; i++) {\n                    if (i in t && fun.call(this, t[i], i, t)) {\n                        return true;\n                    }\n                }\n\n                return false;\n            };\n        }\n\n        var some$1 = some;\n\n        function isValid(m) {\n            if (m._isValid == null) {\n                var flags = getParsingFlags(m);\n                var parsedParts = some$1.call(flags.parsedDateParts, function (i) {\n                    return i != null;\n                });\n                var isNowValid = !isNaN(m._d.getTime()) &&\n                    flags.overflow < 0 &&\n                    !flags.empty &&\n                    !flags.invalidMonth &&\n                    !flags.invalidWeekday &&\n                    !flags.nullInput &&\n                    !flags.invalidFormat &&\n                    !flags.userInvalidated &&\n                    (!flags.meridiem || (flags.meridiem && parsedParts));\n\n                if (m._strict) {\n                    isNowValid = isNowValid &&\n                        flags.charsLeftOver === 0 &&\n                        flags.unusedTokens.length === 0 &&\n                        flags.bigHour === undefined;\n                }\n\n                if (Object.isFrozen == null || !Object.isFrozen(m)) {\n                    m._isValid = isNowValid;\n                }\n                else {\n                    return isNowValid;\n                }\n            }\n            return m._isValid;\n        }\n\n        function createInvalid (flags) {\n            var m = createUTC(NaN);\n            if (flags != null) {\n                extend(getParsingFlags(m), flags);\n            }\n            else {\n                getParsingFlags(m).userInvalidated = true;\n            }\n\n            return m;\n        }\n\n// Plugins that add properties should also add the key here (null value),\n// so we can properly clone ourselves.\n        var momentProperties = hooks.momentProperties = [];\n\n        function copyConfig(to, from) {\n            var i, prop, val;\n\n            if (!isUndefined(from._isAMomentObject)) {\n                to._isAMomentObject = from._isAMomentObject;\n            }\n            if (!isUndefined(from._i)) {\n                to._i = from._i;\n            }\n            if (!isUndefined(from._f)) {\n                to._f = from._f;\n            }\n            if (!isUndefined(from._l)) {\n                to._l = from._l;\n            }\n            if (!isUndefined(from._strict)) {\n                to._strict = from._strict;\n            }\n            if (!isUndefined(from._tzm)) {\n                to._tzm = from._tzm;\n            }\n            if (!isUndefined(from._isUTC)) {\n                to._isUTC = from._isUTC;\n            }\n            if (!isUndefined(from._offset)) {\n                to._offset = from._offset;\n            }\n            if (!isUndefined(from._pf)) {\n                to._pf = getParsingFlags(from);\n            }\n            if (!isUndefined(from._locale)) {\n                to._locale = from._locale;\n            }\n\n            if (momentProperties.length > 0) {\n                for (i = 0; i < momentProperties.length; i++) {\n                    prop = momentProperties[i];\n                    val = from[prop];\n                    if (!isUndefined(val)) {\n                        to[prop] = val;\n                    }\n                }\n            }\n\n            return to;\n        }\n\n        var updateInProgress = false;\n\n// Moment prototype object\n        function Moment(config) {\n            copyConfig(this, config);\n            this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n            if (!this.isValid()) {\n                this._d = new Date(NaN);\n            }\n            // Prevent infinite loop in case updateOffset creates new moment\n            // objects.\n            if (updateInProgress === false) {\n                updateInProgress = true;\n                hooks.updateOffset(this);\n                updateInProgress = false;\n            }\n        }\n\n        function isMoment (obj) {\n            return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);\n        }\n\n        function absFloor (number) {\n            if (number < 0) {\n                // -0 -> 0\n                return Math.ceil(number) || 0;\n            } else {\n                return Math.floor(number);\n            }\n        }\n\n        function toInt(argumentForCoercion) {\n            var coercedNumber = +argumentForCoercion,\n                value = 0;\n\n            if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n                value = absFloor(coercedNumber);\n            }\n\n            return value;\n        }\n\n// compare two arrays, return the number of differences\n        function compareArrays(array1, array2, dontConvert) {\n            var len = Math.min(array1.length, array2.length),\n                lengthDiff = Math.abs(array1.length - array2.length),\n                diffs = 0,\n                i;\n            for (i = 0; i < len; i++) {\n                if ((dontConvert && array1[i] !== array2[i]) ||\n                    (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {\n                    diffs++;\n                }\n            }\n            return diffs + lengthDiff;\n        }\n\n        function warn(msg) {\n            if (hooks.suppressDeprecationWarnings === false &&\n                (typeof console !==  'undefined') && console.warn) {\n                console.warn('Deprecation warning: ' + msg);\n            }\n        }\n\n        function deprecate(msg, fn) {\n            var firstTime = true;\n\n            return extend(function () {\n                if (hooks.deprecationHandler != null) {\n                    hooks.deprecationHandler(null, msg);\n                }\n                if (firstTime) {\n                    var args = [];\n                    var arg;\n                    for (var i = 0; i < arguments.length; i++) {\n                        arg = '';\n                        if (typeof arguments[i] === 'object') {\n                            arg += '\\n[' + i + '] ';\n                            for (var key in arguments[0]) {\n                                arg += key + ': ' + arguments[0][key] + ', ';\n                            }\n                            arg = arg.slice(0, -2); // Remove trailing comma and space\n                        } else {\n                            arg = arguments[i];\n                        }\n                        args.push(arg);\n                    }\n                    warn(msg + '\\nArguments: ' + Array.prototype.slice.call(args).join('') + '\\n' + (new Error()).stack);\n                    firstTime = false;\n                }\n                return fn.apply(this, arguments);\n            }, fn);\n        }\n\n        var deprecations = {};\n\n        function deprecateSimple(name, msg) {\n            if (hooks.deprecationHandler != null) {\n                hooks.deprecationHandler(name, msg);\n            }\n            if (!deprecations[name]) {\n                warn(msg);\n                deprecations[name] = true;\n            }\n        }\n\n        hooks.suppressDeprecationWarnings = false;\n        hooks.deprecationHandler = null;\n\n        function isFunction(input) {\n            return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';\n        }\n\n        function set (config) {\n            var prop, i;\n            for (i in config) {\n                prop = config[i];\n                if (isFunction(prop)) {\n                    this[i] = prop;\n                } else {\n                    this['_' + i] = prop;\n                }\n            }\n            this._config = config;\n            // Lenient ordinal parsing accepts just a number in addition to\n            // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.\n            // TODO: Remove \"ordinalParse\" fallback in next major release.\n            this._dayOfMonthOrdinalParseLenient = new RegExp(\n                (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +\n                '|' + (/\\d{1,2}/).source);\n        }\n\n        function mergeConfigs(parentConfig, childConfig) {\n            var res = extend({}, parentConfig), prop;\n            for (prop in childConfig) {\n                if (hasOwnProp(childConfig, prop)) {\n                    if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {\n                        res[prop] = {};\n                        extend(res[prop], parentConfig[prop]);\n                        extend(res[prop], childConfig[prop]);\n                    } else if (childConfig[prop] != null) {\n                        res[prop] = childConfig[prop];\n                    } else {\n                        delete res[prop];\n                    }\n                }\n            }\n            for (prop in parentConfig) {\n                if (hasOwnProp(parentConfig, prop) &&\n                    !hasOwnProp(childConfig, prop) &&\n                    isObject(parentConfig[prop])) {\n                    // make sure changes to properties don't modify parent config\n                    res[prop] = extend({}, res[prop]);\n                }\n            }\n            return res;\n        }\n\n        function Locale(config) {\n            if (config != null) {\n                this.set(config);\n            }\n        }\n\n        var keys;\n\n        if (Object.keys) {\n            keys = Object.keys;\n        } else {\n            keys = function (obj) {\n                var i, res = [];\n                for (i in obj) {\n                    if (hasOwnProp(obj, i)) {\n                        res.push(i);\n                    }\n                }\n                return res;\n            };\n        }\n\n        var keys$1 = keys;\n\n        var defaultCalendar = {\n            sameDay : '[Today at] LT',\n            nextDay : '[Tomorrow at] LT',\n            nextWeek : 'dddd [at] LT',\n            lastDay : '[Yesterday at] LT',\n            lastWeek : '[Last] dddd [at] LT',\n            sameElse : 'L'\n        };\n\n        function calendar (key, mom, now) {\n            var output = this._calendar[key] || this._calendar['sameElse'];\n            return isFunction(output) ? output.call(mom, now) : output;\n        }\n\n        var defaultLongDateFormat = {\n            LTS  : 'h:mm:ss A',\n            LT   : 'h:mm A',\n            L    : 'MM/DD/YYYY',\n            LL   : 'MMMM D, YYYY',\n            LLL  : 'MMMM D, YYYY h:mm A',\n            LLLL : 'dddd, MMMM D, YYYY h:mm A'\n        };\n\n        function longDateFormat (key) {\n            var format = this._longDateFormat[key],\n                formatUpper = this._longDateFormat[key.toUpperCase()];\n\n            if (format || !formatUpper) {\n                return format;\n            }\n\n            this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {\n                return val.slice(1);\n            });\n\n            return this._longDateFormat[key];\n        }\n\n        var defaultInvalidDate = 'Invalid date';\n\n        function invalidDate () {\n            return this._invalidDate;\n        }\n\n        var defaultOrdinal = '%d';\n        var defaultDayOfMonthOrdinalParse = /\\d{1,2}/;\n\n        function ordinal (number) {\n            return this._ordinal.replace('%d', number);\n        }\n\n        var defaultRelativeTime = {\n            future : 'in %s',\n            past   : '%s ago',\n            s  : 'a few seconds',\n            ss : '%d seconds',\n            m  : 'a minute',\n            mm : '%d minutes',\n            h  : 'an hour',\n            hh : '%d hours',\n            d  : 'a day',\n            dd : '%d days',\n            M  : 'a month',\n            MM : '%d months',\n            y  : 'a year',\n            yy : '%d years'\n        };\n\n        function relativeTime (number, withoutSuffix, string, isFuture) {\n            var output = this._relativeTime[string];\n            return (isFunction(output)) ?\n                output(number, withoutSuffix, string, isFuture) :\n                output.replace(/%d/i, number);\n        }\n\n        function pastFuture (diff, output) {\n            var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n            return isFunction(format) ? format(output) : format.replace(/%s/i, output);\n        }\n\n        var aliases = {};\n\n        function addUnitAlias (unit, shorthand) {\n            var lowerCase = unit.toLowerCase();\n            aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n        }\n\n        function normalizeUnits(units) {\n            return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;\n        }\n\n        function normalizeObjectUnits(inputObject) {\n            var normalizedInput = {},\n                normalizedProp,\n                prop;\n\n            for (prop in inputObject) {\n                if (hasOwnProp(inputObject, prop)) {\n                    normalizedProp = normalizeUnits(prop);\n                    if (normalizedProp) {\n                        normalizedInput[normalizedProp] = inputObject[prop];\n                    }\n                }\n            }\n\n            return normalizedInput;\n        }\n\n        var priorities = {};\n\n        function addUnitPriority(unit, priority) {\n            priorities[unit] = priority;\n        }\n\n        function getPrioritizedUnits(unitsObj) {\n            var units = [];\n            for (var u in unitsObj) {\n                units.push({unit: u, priority: priorities[u]});\n            }\n            units.sort(function (a, b) {\n                return a.priority - b.priority;\n            });\n            return units;\n        }\n\n        function makeGetSet (unit, keepTime) {\n            return function (value) {\n                if (value != null) {\n                    set$1(this, unit, value);\n                    hooks.updateOffset(this, keepTime);\n                    return this;\n                } else {\n                    return get(this, unit);\n                }\n            };\n        }\n\n        function get (mom, unit) {\n            return mom.isValid() ?\n                mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;\n        }\n\n        function set$1 (mom, unit, value) {\n            if (mom.isValid()) {\n                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n            }\n        }\n\n// MOMENTS\n\n        function stringGet (units) {\n            units = normalizeUnits(units);\n            if (isFunction(this[units])) {\n                return this[units]();\n            }\n            return this;\n        }\n\n\n        function stringSet (units, value) {\n            if (typeof units === 'object') {\n                units = normalizeObjectUnits(units);\n                var prioritized = getPrioritizedUnits(units);\n                for (var i = 0; i < prioritized.length; i++) {\n                    this[prioritized[i].unit](units[prioritized[i].unit]);\n                }\n            } else {\n                units = normalizeUnits(units);\n                if (isFunction(this[units])) {\n                    return this[units](value);\n                }\n            }\n            return this;\n        }\n\n        function zeroFill(number, targetLength, forceSign) {\n            var absNumber = '' + Math.abs(number),\n                zerosToFill = targetLength - absNumber.length,\n                sign = number >= 0;\n            return (sign ? (forceSign ? '+' : '') : '-') +\n                Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;\n        }\n\n        var formattingTokens = /(\\[[^\\[]*\\])|(\\\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;\n\n        var localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g;\n\n        var formatFunctions = {};\n\n        var formatTokenFunctions = {};\n\n// token:    'M'\n// padded:   ['MM', 2]\n// ordinal:  'Mo'\n// callback: function () { this.month() + 1 }\n        function addFormatToken (token, padded, ordinal, callback) {\n            var func = callback;\n            if (typeof callback === 'string') {\n                func = function () {\n                    return this[callback]();\n                };\n            }\n            if (token) {\n                formatTokenFunctions[token] = func;\n            }\n            if (padded) {\n                formatTokenFunctions[padded[0]] = function () {\n                    return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n                };\n            }\n            if (ordinal) {\n                formatTokenFunctions[ordinal] = function () {\n                    return this.localeData().ordinal(func.apply(this, arguments), token);\n                };\n            }\n        }\n\n        function removeFormattingTokens(input) {\n            if (input.match(/\\[[\\s\\S]/)) {\n                return input.replace(/^\\[|\\]$/g, '');\n            }\n            return input.replace(/\\\\/g, '');\n        }\n\n        function makeFormatFunction(format) {\n            var array = format.match(formattingTokens), i, length;\n\n            for (i = 0, length = array.length; i < length; i++) {\n                if (formatTokenFunctions[array[i]]) {\n                    array[i] = formatTokenFunctions[array[i]];\n                } else {\n                    array[i] = removeFormattingTokens(array[i]);\n                }\n            }\n\n            return function (mom) {\n                var output = '', i;\n                for (i = 0; i < length; i++) {\n                    output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];\n                }\n                return output;\n            };\n        }\n\n// format date using native date object\n        function formatMoment(m, format) {\n            if (!m.isValid()) {\n                return m.localeData().invalidDate();\n            }\n\n            format = expandFormat(format, m.localeData());\n            formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);\n\n            return formatFunctions[format](m);\n        }\n\n        function expandFormat(format, locale) {\n            var i = 5;\n\n            function replaceLongDateFormatTokens(input) {\n                return locale.longDateFormat(input) || input;\n            }\n\n            localFormattingTokens.lastIndex = 0;\n            while (i >= 0 && localFormattingTokens.test(format)) {\n                format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);\n                localFormattingTokens.lastIndex = 0;\n                i -= 1;\n            }\n\n            return format;\n        }\n\n        var match1         = /\\d/;            //       0 - 9\n        var match2         = /\\d\\d/;          //      00 - 99\n        var match3         = /\\d{3}/;         //     000 - 999\n        var match4         = /\\d{4}/;         //    0000 - 9999\n        var match6         = /[+-]?\\d{6}/;    // -999999 - 999999\n        var match1to2      = /\\d\\d?/;         //       0 - 99\n        var match3to4      = /\\d\\d\\d\\d?/;     //     999 - 9999\n        var match5to6      = /\\d\\d\\d\\d\\d\\d?/; //   99999 - 999999\n        var match1to3      = /\\d{1,3}/;       //       0 - 999\n        var match1to4      = /\\d{1,4}/;       //       0 - 9999\n        var match1to6      = /[+-]?\\d{1,6}/;  // -999999 - 999999\n\n        var matchUnsigned  = /\\d+/;           //       0 - inf\n        var matchSigned    = /[+-]?\\d+/;      //    -inf - inf\n\n        var matchOffset    = /Z|[+-]\\d\\d:?\\d\\d/gi; // +00:00 -00:00 +0000 -0000 or Z\n        var matchShortOffset = /Z|[+-]\\d\\d(?::?\\d\\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z\n\n        var matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/; // 123456789 123456789.123\n\n// any word (or two) characters or numbers including two/three word month in arabic.\n// includes scottish gaelic two word and hyphenated months\n        var matchWord = /[0-9]*['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]+|[\\u0600-\\u06FF\\/]+(\\s*?[\\u0600-\\u06FF]+){1,2}/i;\n\n\n        var regexes = {};\n\n        function addRegexToken (token, regex, strictRegex) {\n            regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {\n                return (isStrict && strictRegex) ? strictRegex : regex;\n            };\n        }\n\n        function getParseRegexForToken (token, config) {\n            if (!hasOwnProp(regexes, token)) {\n                return new RegExp(unescapeFormat(token));\n            }\n\n            return regexes[token](config._strict, config._locale);\n        }\n\n// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\n        function unescapeFormat(s) {\n            return regexEscape(s.replace('\\\\', '').replace(/\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g, function (matched, p1, p2, p3, p4) {\n                return p1 || p2 || p3 || p4;\n            }));\n        }\n\n        function regexEscape(s) {\n            return s.replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n        }\n\n        var tokens = {};\n\n        function addParseToken (token, callback) {\n            var i, func = callback;\n            if (typeof token === 'string') {\n                token = [token];\n            }\n            if (isNumber(callback)) {\n                func = function (input, array) {\n                    array[callback] = toInt(input);\n                };\n            }\n            for (i = 0; i < token.length; i++) {\n                tokens[token[i]] = func;\n            }\n        }\n\n        function addWeekParseToken (token, callback) {\n            addParseToken(token, function (input, array, config, token) {\n                config._w = config._w || {};\n                callback(input, config._w, config, token);\n            });\n        }\n\n        function addTimeToArrayFromToken(token, input, config) {\n            if (input != null && hasOwnProp(tokens, token)) {\n                tokens[token](input, config._a, config, token);\n            }\n        }\n\n        var YEAR = 0;\n        var MONTH = 1;\n        var DATE = 2;\n        var HOUR = 3;\n        var MINUTE = 4;\n        var SECOND = 5;\n        var MILLISECOND = 6;\n        var WEEK = 7;\n        var WEEKDAY = 8;\n\n        var indexOf;\n\n        if (Array.prototype.indexOf) {\n            indexOf = Array.prototype.indexOf;\n        } else {\n            indexOf = function (o) {\n                // I know\n                var i;\n                for (i = 0; i < this.length; ++i) {\n                    if (this[i] === o) {\n                        return i;\n                    }\n                }\n                return -1;\n            };\n        }\n\n        var indexOf$1 = indexOf;\n\n        function daysInMonth(year, month) {\n            return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();\n        }\n\n// FORMATTING\n\n        addFormatToken('M', ['MM', 2], 'Mo', function () {\n            return this.month() + 1;\n        });\n\n        addFormatToken('MMM', 0, 0, function (format) {\n            return this.localeData().monthsShort(this, format);\n        });\n\n        addFormatToken('MMMM', 0, 0, function (format) {\n            return this.localeData().months(this, format);\n        });\n\n// ALIASES\n\n        addUnitAlias('month', 'M');\n\n// PRIORITY\n\n        addUnitPriority('month', 8);\n\n// PARSING\n\n        addRegexToken('M',    match1to2);\n        addRegexToken('MM',   match1to2, match2);\n        addRegexToken('MMM',  function (isStrict, locale) {\n            return locale.monthsShortRegex(isStrict);\n        });\n        addRegexToken('MMMM', function (isStrict, locale) {\n            return locale.monthsRegex(isStrict);\n        });\n\n        addParseToken(['M', 'MM'], function (input, array) {\n            array[MONTH] = toInt(input) - 1;\n        });\n\n        addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n            var month = config._locale.monthsParse(input, token, config._strict);\n            // if we didn't find a month name, mark the date as invalid.\n            if (month != null) {\n                array[MONTH] = month;\n            } else {\n                getParsingFlags(config).invalidMonth = input;\n            }\n        });\n\n// LOCALES\n\n        var MONTHS_IN_FORMAT = /D[oD]?(\\[[^\\[\\]]*\\]|\\s)+MMMM?/;\n        var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');\n        function localeMonths (m, format) {\n            if (!m) {\n                return isArray(this._months) ? this._months :\n                    this._months['standalone'];\n            }\n            return isArray(this._months) ? this._months[m.month()] :\n                this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];\n        }\n\n        var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');\n        function localeMonthsShort (m, format) {\n            if (!m) {\n                return isArray(this._monthsShort) ? this._monthsShort :\n                    this._monthsShort['standalone'];\n            }\n            return isArray(this._monthsShort) ? this._monthsShort[m.month()] :\n                this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];\n        }\n\n        function handleStrictParse(monthName, format, strict) {\n            var i, ii, mom, llc = monthName.toLocaleLowerCase();\n            if (!this._monthsParse) {\n                // this is not used\n                this._monthsParse = [];\n                this._longMonthsParse = [];\n                this._shortMonthsParse = [];\n                for (i = 0; i < 12; ++i) {\n                    mom = createUTC([2000, i]);\n                    this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();\n                    this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();\n                }\n            }\n\n            if (strict) {\n                if (format === 'MMM') {\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            } else {\n                if (format === 'MMM') {\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            }\n        }\n\n        function localeMonthsParse (monthName, format, strict) {\n            var i, mom, regex;\n\n            if (this._monthsParseExact) {\n                return handleStrictParse.call(this, monthName, format, strict);\n            }\n\n            if (!this._monthsParse) {\n                this._monthsParse = [];\n                this._longMonthsParse = [];\n                this._shortMonthsParse = [];\n            }\n\n            // TODO: add sorting\n            // Sorting makes sure if one month (or abbr) is a prefix of another\n            // see sorting in computeMonthsParse\n            for (i = 0; i < 12; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, i]);\n                if (strict && !this._longMonthsParse[i]) {\n                    this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');\n                    this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');\n                }\n                if (!strict && !this._monthsParse[i]) {\n                    regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n                    this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n                }\n                // test the regex\n                if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {\n                    return i;\n                } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {\n                    return i;\n                } else if (!strict && this._monthsParse[i].test(monthName)) {\n                    return i;\n                }\n            }\n        }\n\n// MOMENTS\n\n        function setMonth (mom, value) {\n            var dayOfMonth;\n\n            if (!mom.isValid()) {\n                // No op\n                return mom;\n            }\n\n            if (typeof value === 'string') {\n                if (/^\\d+$/.test(value)) {\n                    value = toInt(value);\n                } else {\n                    value = mom.localeData().monthsParse(value);\n                    // TODO: Another silent failure?\n                    if (!isNumber(value)) {\n                        return mom;\n                    }\n                }\n            }\n\n            dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n            mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n            return mom;\n        }\n\n        function getSetMonth (value) {\n            if (value != null) {\n                setMonth(this, value);\n                hooks.updateOffset(this, true);\n                return this;\n            } else {\n                return get(this, 'Month');\n            }\n        }\n\n        function getDaysInMonth () {\n            return daysInMonth(this.year(), this.month());\n        }\n\n        var defaultMonthsShortRegex = matchWord;\n        function monthsShortRegex (isStrict) {\n            if (this._monthsParseExact) {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    computeMonthsParse.call(this);\n                }\n                if (isStrict) {\n                    return this._monthsShortStrictRegex;\n                } else {\n                    return this._monthsShortRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_monthsShortRegex')) {\n                    this._monthsShortRegex = defaultMonthsShortRegex;\n                }\n                return this._monthsShortStrictRegex && isStrict ?\n                    this._monthsShortStrictRegex : this._monthsShortRegex;\n            }\n        }\n\n        var defaultMonthsRegex = matchWord;\n        function monthsRegex (isStrict) {\n            if (this._monthsParseExact) {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    computeMonthsParse.call(this);\n                }\n                if (isStrict) {\n                    return this._monthsStrictRegex;\n                } else {\n                    return this._monthsRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    this._monthsRegex = defaultMonthsRegex;\n                }\n                return this._monthsStrictRegex && isStrict ?\n                    this._monthsStrictRegex : this._monthsRegex;\n            }\n        }\n\n        function computeMonthsParse () {\n            function cmpLenRev(a, b) {\n                return b.length - a.length;\n            }\n\n            var shortPieces = [], longPieces = [], mixedPieces = [],\n                i, mom;\n            for (i = 0; i < 12; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, i]);\n                shortPieces.push(this.monthsShort(mom, ''));\n                longPieces.push(this.months(mom, ''));\n                mixedPieces.push(this.months(mom, ''));\n                mixedPieces.push(this.monthsShort(mom, ''));\n            }\n            // Sorting makes sure if one month (or abbr) is a prefix of another it\n            // will match the longer piece.\n            shortPieces.sort(cmpLenRev);\n            longPieces.sort(cmpLenRev);\n            mixedPieces.sort(cmpLenRev);\n            for (i = 0; i < 12; i++) {\n                shortPieces[i] = regexEscape(shortPieces[i]);\n                longPieces[i] = regexEscape(longPieces[i]);\n            }\n            for (i = 0; i < 24; i++) {\n                mixedPieces[i] = regexEscape(mixedPieces[i]);\n            }\n\n            this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n            this._monthsShortRegex = this._monthsRegex;\n            this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n            this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n        }\n\n// FORMATTING\n\n        addFormatToken('Y', 0, 0, function () {\n            var y = this.year();\n            return y <= 9999 ? '' + y : '+' + y;\n        });\n\n        addFormatToken(0, ['YY', 2], 0, function () {\n            return this.year() % 100;\n        });\n\n        addFormatToken(0, ['YYYY',   4],       0, 'year');\n        addFormatToken(0, ['YYYYY',  5],       0, 'year');\n        addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');\n\n// ALIASES\n\n        addUnitAlias('year', 'y');\n\n// PRIORITIES\n\n        addUnitPriority('year', 1);\n\n// PARSING\n\n        addRegexToken('Y',      matchSigned);\n        addRegexToken('YY',     match1to2, match2);\n        addRegexToken('YYYY',   match1to4, match4);\n        addRegexToken('YYYYY',  match1to6, match6);\n        addRegexToken('YYYYYY', match1to6, match6);\n\n        addParseToken(['YYYYY', 'YYYYYY'], YEAR);\n        addParseToken('YYYY', function (input, array) {\n            array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);\n        });\n        addParseToken('YY', function (input, array) {\n            array[YEAR] = hooks.parseTwoDigitYear(input);\n        });\n        addParseToken('Y', function (input, array) {\n            array[YEAR] = parseInt(input, 10);\n        });\n\n// HELPERS\n\n        function daysInYear(year) {\n            return isLeapYear(year) ? 366 : 365;\n        }\n\n        function isLeapYear(year) {\n            return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;\n        }\n\n// HOOKS\n\n        hooks.parseTwoDigitYear = function (input) {\n            return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n        };\n\n// MOMENTS\n\n        var getSetYear = makeGetSet('FullYear', true);\n\n        function getIsLeapYear () {\n            return isLeapYear(this.year());\n        }\n\n        function createDate (y, m, d, h, M, s, ms) {\n            // can't just apply() to create a date:\n            // https://stackoverflow.com/q/181348\n            var date = new Date(y, m, d, h, M, s, ms);\n\n            // the date constructor remaps years 0-99 to 1900-1999\n            if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {\n                date.setFullYear(y);\n            }\n            return date;\n        }\n\n        function createUTCDate (y) {\n            var date = new Date(Date.UTC.apply(null, arguments));\n\n            // the Date.UTC function remaps years 0-99 to 1900-1999\n            if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {\n                date.setUTCFullYear(y);\n            }\n            return date;\n        }\n\n// start-of-first-week - start-of-year\n        function firstWeekOffset(year, dow, doy) {\n            var // first-week day -- which january is always in the first week (4 for iso, 1 for other)\n                fwd = 7 + dow - doy,\n                // first-week day local weekday -- which local weekday is fwd\n                fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;\n\n            return -fwdlw + fwd - 1;\n        }\n\n// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\n        function dayOfYearFromWeeks(year, week, weekday, dow, doy) {\n            var localWeekday = (7 + weekday - dow) % 7,\n                weekOffset = firstWeekOffset(year, dow, doy),\n                dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,\n                resYear, resDayOfYear;\n\n            if (dayOfYear <= 0) {\n                resYear = year - 1;\n                resDayOfYear = daysInYear(resYear) + dayOfYear;\n            } else if (dayOfYear > daysInYear(year)) {\n                resYear = year + 1;\n                resDayOfYear = dayOfYear - daysInYear(year);\n            } else {\n                resYear = year;\n                resDayOfYear = dayOfYear;\n            }\n\n            return {\n                year: resYear,\n                dayOfYear: resDayOfYear\n            };\n        }\n\n        function weekOfYear(mom, dow, doy) {\n            var weekOffset = firstWeekOffset(mom.year(), dow, doy),\n                week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,\n                resWeek, resYear;\n\n            if (week < 1) {\n                resYear = mom.year() - 1;\n                resWeek = week + weeksInYear(resYear, dow, doy);\n            } else if (week > weeksInYear(mom.year(), dow, doy)) {\n                resWeek = week - weeksInYear(mom.year(), dow, doy);\n                resYear = mom.year() + 1;\n            } else {\n                resYear = mom.year();\n                resWeek = week;\n            }\n\n            return {\n                week: resWeek,\n                year: resYear\n            };\n        }\n\n        function weeksInYear(year, dow, doy) {\n            var weekOffset = firstWeekOffset(year, dow, doy),\n                weekOffsetNext = firstWeekOffset(year + 1, dow, doy);\n            return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;\n        }\n\n// FORMATTING\n\n        addFormatToken('w', ['ww', 2], 'wo', 'week');\n        addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');\n\n// ALIASES\n\n        addUnitAlias('week', 'w');\n        addUnitAlias('isoWeek', 'W');\n\n// PRIORITIES\n\n        addUnitPriority('week', 5);\n        addUnitPriority('isoWeek', 5);\n\n// PARSING\n\n        addRegexToken('w',  match1to2);\n        addRegexToken('ww', match1to2, match2);\n        addRegexToken('W',  match1to2);\n        addRegexToken('WW', match1to2, match2);\n\n        addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {\n            week[token.substr(0, 1)] = toInt(input);\n        });\n\n// HELPERS\n\n// LOCALES\n\n        function localeWeek (mom) {\n            return weekOfYear(mom, this._week.dow, this._week.doy).week;\n        }\n\n        var defaultLocaleWeek = {\n            dow : 0, // Sunday is the first day of the week.\n            doy : 6  // The week that contains Jan 1st is the first week of the year.\n        };\n\n        function localeFirstDayOfWeek () {\n            return this._week.dow;\n        }\n\n        function localeFirstDayOfYear () {\n            return this._week.doy;\n        }\n\n// MOMENTS\n\n        function getSetWeek (input) {\n            var week = this.localeData().week(this);\n            return input == null ? week : this.add((input - week) * 7, 'd');\n        }\n\n        function getSetISOWeek (input) {\n            var week = weekOfYear(this, 1, 4).week;\n            return input == null ? week : this.add((input - week) * 7, 'd');\n        }\n\n// FORMATTING\n\n        addFormatToken('d', 0, 'do', 'day');\n\n        addFormatToken('dd', 0, 0, function (format) {\n            return this.localeData().weekdaysMin(this, format);\n        });\n\n        addFormatToken('ddd', 0, 0, function (format) {\n            return this.localeData().weekdaysShort(this, format);\n        });\n\n        addFormatToken('dddd', 0, 0, function (format) {\n            return this.localeData().weekdays(this, format);\n        });\n\n        addFormatToken('e', 0, 0, 'weekday');\n        addFormatToken('E', 0, 0, 'isoWeekday');\n\n// ALIASES\n\n        addUnitAlias('day', 'd');\n        addUnitAlias('weekday', 'e');\n        addUnitAlias('isoWeekday', 'E');\n\n// PRIORITY\n        addUnitPriority('day', 11);\n        addUnitPriority('weekday', 11);\n        addUnitPriority('isoWeekday', 11);\n\n// PARSING\n\n        addRegexToken('d',    match1to2);\n        addRegexToken('e',    match1to2);\n        addRegexToken('E',    match1to2);\n        addRegexToken('dd',   function (isStrict, locale) {\n            return locale.weekdaysMinRegex(isStrict);\n        });\n        addRegexToken('ddd',   function (isStrict, locale) {\n            return locale.weekdaysShortRegex(isStrict);\n        });\n        addRegexToken('dddd',   function (isStrict, locale) {\n            return locale.weekdaysRegex(isStrict);\n        });\n\n        addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {\n            var weekday = config._locale.weekdaysParse(input, token, config._strict);\n            // if we didn't get a weekday name, mark the date as invalid\n            if (weekday != null) {\n                week.d = weekday;\n            } else {\n                getParsingFlags(config).invalidWeekday = input;\n            }\n        });\n\n        addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n            week[token] = toInt(input);\n        });\n\n// HELPERS\n\n        function parseWeekday(input, locale) {\n            if (typeof input !== 'string') {\n                return input;\n            }\n\n            if (!isNaN(input)) {\n                return parseInt(input, 10);\n            }\n\n            input = locale.weekdaysParse(input);\n            if (typeof input === 'number') {\n                return input;\n            }\n\n            return null;\n        }\n\n        function parseIsoWeekday(input, locale) {\n            if (typeof input === 'string') {\n                return locale.weekdaysParse(input) % 7 || 7;\n            }\n            return isNaN(input) ? null : input;\n        }\n\n// LOCALES\n\n        var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');\n        function localeWeekdays (m, format) {\n            if (!m) {\n                return isArray(this._weekdays) ? this._weekdays :\n                    this._weekdays['standalone'];\n            }\n            return isArray(this._weekdays) ? this._weekdays[m.day()] :\n                this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];\n        }\n\n        var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');\n        function localeWeekdaysShort (m) {\n            return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;\n        }\n\n        var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');\n        function localeWeekdaysMin (m) {\n            return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;\n        }\n\n        function handleStrictParse$1(weekdayName, format, strict) {\n            var i, ii, mom, llc = weekdayName.toLocaleLowerCase();\n            if (!this._weekdaysParse) {\n                this._weekdaysParse = [];\n                this._shortWeekdaysParse = [];\n                this._minWeekdaysParse = [];\n\n                for (i = 0; i < 7; ++i) {\n                    mom = createUTC([2000, 1]).day(i);\n                    this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();\n                    this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();\n                    this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();\n                }\n            }\n\n            if (strict) {\n                if (format === 'dddd') {\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else if (format === 'ddd') {\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            } else {\n                if (format === 'dddd') {\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else if (format === 'ddd') {\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            }\n        }\n\n        function localeWeekdaysParse (weekdayName, format, strict) {\n            var i, mom, regex;\n\n            if (this._weekdaysParseExact) {\n                return handleStrictParse$1.call(this, weekdayName, format, strict);\n            }\n\n            if (!this._weekdaysParse) {\n                this._weekdaysParse = [];\n                this._minWeekdaysParse = [];\n                this._shortWeekdaysParse = [];\n                this._fullWeekdaysParse = [];\n            }\n\n            for (i = 0; i < 7; i++) {\n                // make the regex if we don't have it already\n\n                mom = createUTC([2000, 1]).day(i);\n                if (strict && !this._fullWeekdaysParse[i]) {\n                    this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i');\n                    this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i');\n                    this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i');\n                }\n                if (!this._weekdaysParse[i]) {\n                    regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');\n                    this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n                }\n                // test the regex\n                if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {\n                    return i;\n                }\n            }\n        }\n\n// MOMENTS\n\n        function getSetDayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n            if (input != null) {\n                input = parseWeekday(input, this.localeData());\n                return this.add(input - day, 'd');\n            } else {\n                return day;\n            }\n        }\n\n        function getSetLocaleDayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n            return input == null ? weekday : this.add(input - weekday, 'd');\n        }\n\n        function getSetISODayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n\n            // behaves the same as moment#day except\n            // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n            // as a setter, sunday should belong to the previous week.\n\n            if (input != null) {\n                var weekday = parseIsoWeekday(input, this.localeData());\n                return this.day(this.day() % 7 ? weekday : weekday - 7);\n            } else {\n                return this.day() || 7;\n            }\n        }\n\n        var defaultWeekdaysRegex = matchWord;\n        function weekdaysRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysStrictRegex;\n                } else {\n                    return this._weekdaysRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    this._weekdaysRegex = defaultWeekdaysRegex;\n                }\n                return this._weekdaysStrictRegex && isStrict ?\n                    this._weekdaysStrictRegex : this._weekdaysRegex;\n            }\n        }\n\n        var defaultWeekdaysShortRegex = matchWord;\n        function weekdaysShortRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysShortStrictRegex;\n                } else {\n                    return this._weekdaysShortRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysShortRegex')) {\n                    this._weekdaysShortRegex = defaultWeekdaysShortRegex;\n                }\n                return this._weekdaysShortStrictRegex && isStrict ?\n                    this._weekdaysShortStrictRegex : this._weekdaysShortRegex;\n            }\n        }\n\n        var defaultWeekdaysMinRegex = matchWord;\n        function weekdaysMinRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysMinStrictRegex;\n                } else {\n                    return this._weekdaysMinRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysMinRegex')) {\n                    this._weekdaysMinRegex = defaultWeekdaysMinRegex;\n                }\n                return this._weekdaysMinStrictRegex && isStrict ?\n                    this._weekdaysMinStrictRegex : this._weekdaysMinRegex;\n            }\n        }\n\n\n        function computeWeekdaysParse () {\n            function cmpLenRev(a, b) {\n                return b.length - a.length;\n            }\n\n            var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],\n                i, mom, minp, shortp, longp;\n            for (i = 0; i < 7; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, 1]).day(i);\n                minp = this.weekdaysMin(mom, '');\n                shortp = this.weekdaysShort(mom, '');\n                longp = this.weekdays(mom, '');\n                minPieces.push(minp);\n                shortPieces.push(shortp);\n                longPieces.push(longp);\n                mixedPieces.push(minp);\n                mixedPieces.push(shortp);\n                mixedPieces.push(longp);\n            }\n            // Sorting makes sure if one weekday (or abbr) is a prefix of another it\n            // will match the longer piece.\n            minPieces.sort(cmpLenRev);\n            shortPieces.sort(cmpLenRev);\n            longPieces.sort(cmpLenRev);\n            mixedPieces.sort(cmpLenRev);\n            for (i = 0; i < 7; i++) {\n                shortPieces[i] = regexEscape(shortPieces[i]);\n                longPieces[i] = regexEscape(longPieces[i]);\n                mixedPieces[i] = regexEscape(mixedPieces[i]);\n            }\n\n            this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n            this._weekdaysShortRegex = this._weekdaysRegex;\n            this._weekdaysMinRegex = this._weekdaysRegex;\n\n            this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n            this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n            this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');\n        }\n\n// FORMATTING\n\n        function hFormat() {\n            return this.hours() % 12 || 12;\n        }\n\n        function kFormat() {\n            return this.hours() || 24;\n        }\n\n        addFormatToken('H', ['HH', 2], 0, 'hour');\n        addFormatToken('h', ['hh', 2], 0, hFormat);\n        addFormatToken('k', ['kk', 2], 0, kFormat);\n\n        addFormatToken('hmm', 0, 0, function () {\n            return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);\n        });\n\n        addFormatToken('hmmss', 0, 0, function () {\n            return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +\n                zeroFill(this.seconds(), 2);\n        });\n\n        addFormatToken('Hmm', 0, 0, function () {\n            return '' + this.hours() + zeroFill(this.minutes(), 2);\n        });\n\n        addFormatToken('Hmmss', 0, 0, function () {\n            return '' + this.hours() + zeroFill(this.minutes(), 2) +\n                zeroFill(this.seconds(), 2);\n        });\n\n        function meridiem (token, lowercase) {\n            addFormatToken(token, 0, 0, function () {\n                return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);\n            });\n        }\n\n        meridiem('a', true);\n        meridiem('A', false);\n\n// ALIASES\n\n        addUnitAlias('hour', 'h');\n\n// PRIORITY\n        addUnitPriority('hour', 13);\n\n// PARSING\n\n        function matchMeridiem (isStrict, locale) {\n            return locale._meridiemParse;\n        }\n\n        addRegexToken('a',  matchMeridiem);\n        addRegexToken('A',  matchMeridiem);\n        addRegexToken('H',  match1to2);\n        addRegexToken('h',  match1to2);\n        addRegexToken('k',  match1to2);\n        addRegexToken('HH', match1to2, match2);\n        addRegexToken('hh', match1to2, match2);\n        addRegexToken('kk', match1to2, match2);\n\n        addRegexToken('hmm', match3to4);\n        addRegexToken('hmmss', match5to6);\n        addRegexToken('Hmm', match3to4);\n        addRegexToken('Hmmss', match5to6);\n\n        addParseToken(['H', 'HH'], HOUR);\n        addParseToken(['k', 'kk'], function (input, array, config) {\n            var kInput = toInt(input);\n            array[HOUR] = kInput === 24 ? 0 : kInput;\n        });\n        addParseToken(['a', 'A'], function (input, array, config) {\n            config._isPm = config._locale.isPM(input);\n            config._meridiem = input;\n        });\n        addParseToken(['h', 'hh'], function (input, array, config) {\n            array[HOUR] = toInt(input);\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('hmm', function (input, array, config) {\n            var pos = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos));\n            array[MINUTE] = toInt(input.substr(pos));\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('hmmss', function (input, array, config) {\n            var pos1 = input.length - 4;\n            var pos2 = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos1));\n            array[MINUTE] = toInt(input.substr(pos1, 2));\n            array[SECOND] = toInt(input.substr(pos2));\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('Hmm', function (input, array, config) {\n            var pos = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos));\n            array[MINUTE] = toInt(input.substr(pos));\n        });\n        addParseToken('Hmmss', function (input, array, config) {\n            var pos1 = input.length - 4;\n            var pos2 = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos1));\n            array[MINUTE] = toInt(input.substr(pos1, 2));\n            array[SECOND] = toInt(input.substr(pos2));\n        });\n\n// LOCALES\n\n        function localeIsPM (input) {\n            // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n            // Using charAt should be more compatible.\n            return ((input + '').toLowerCase().charAt(0) === 'p');\n        }\n\n        var defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i;\n        function localeMeridiem (hours, minutes, isLower) {\n            if (hours > 11) {\n                return isLower ? 'pm' : 'PM';\n            } else {\n                return isLower ? 'am' : 'AM';\n            }\n        }\n\n\n// MOMENTS\n\n// Setting the hour should keep the time, because the user explicitly\n// specified which hour he wants. So trying to maintain the same hour (in\n// a new timezone) makes sense. Adding/subtracting hours does not follow\n// this rule.\n        var getSetHour = makeGetSet('Hours', true);\n\n// months\n// week\n// weekdays\n// meridiem\n        var baseConfig = {\n            calendar: defaultCalendar,\n            longDateFormat: defaultLongDateFormat,\n            invalidDate: defaultInvalidDate,\n            ordinal: defaultOrdinal,\n            dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,\n            relativeTime: defaultRelativeTime,\n\n            months: defaultLocaleMonths,\n            monthsShort: defaultLocaleMonthsShort,\n\n            week: defaultLocaleWeek,\n\n            weekdays: defaultLocaleWeekdays,\n            weekdaysMin: defaultLocaleWeekdaysMin,\n            weekdaysShort: defaultLocaleWeekdaysShort,\n\n            meridiemParse: defaultLocaleMeridiemParse\n        };\n\n// internal storage for locale config files\n        var locales = {};\n        var localeFamilies = {};\n        var globalLocale;\n\n        function normalizeLocale(key) {\n            return key ? key.toLowerCase().replace('_', '-') : key;\n        }\n\n// pick the locale from the array\n// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\n        function chooseLocale(names) {\n            var i = 0, j, next, locale, split;\n\n            while (i < names.length) {\n                split = normalizeLocale(names[i]).split('-');\n                j = split.length;\n                next = normalizeLocale(names[i + 1]);\n                next = next ? next.split('-') : null;\n                while (j > 0) {\n                    locale = loadLocale(split.slice(0, j).join('-'));\n                    if (locale) {\n                        return locale;\n                    }\n                    if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {\n                        //the next array item is better than a shallower substring of this one\n                        break;\n                    }\n                    j--;\n                }\n                i++;\n            }\n            return null;\n        }\n\n        function loadLocale(name) {\n            var oldLocale = null;\n            // TODO: Find a better way to register and load all the locales in Node\n            if (!locales[name] && (typeof module !== 'undefined') &&\n                module && module.exports) {\n                try {\n                    oldLocale = globalLocale._abbr;\n                    require('./locale/' + name);\n                    // because defineLocale currently also sets the global locale, we\n                    // want to undo that for lazy loaded locales\n                    getSetGlobalLocale(oldLocale);\n                } catch (e) { }\n            }\n            return locales[name];\n        }\n\n// This function will load locale and then set the global locale.  If\n// no arguments are passed in, it will simply return the current global\n// locale key.\n        function getSetGlobalLocale (key, values) {\n            var data;\n            if (key) {\n                if (isUndefined(values)) {\n                    data = getLocale(key);\n                }\n                else {\n                    data = defineLocale(key, values);\n                }\n\n                if (data) {\n                    // moment.duration._locale = moment._locale = data;\n                    globalLocale = data;\n                }\n            }\n\n            return globalLocale._abbr;\n        }\n\n        function defineLocale (name, config) {\n            if (config !== null) {\n                var parentConfig = baseConfig;\n                config.abbr = name;\n                if (locales[name] != null) {\n                    deprecateSimple('defineLocaleOverride',\n                        'use moment.updateLocale(localeName, config) to change ' +\n                        'an existing locale. moment.defineLocale(localeName, ' +\n                        'config) should only be used for creating a new locale ' +\n                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');\n                    parentConfig = locales[name]._config;\n                } else if (config.parentLocale != null) {\n                    if (locales[config.parentLocale] != null) {\n                        parentConfig = locales[config.parentLocale]._config;\n                    } else {\n                        if (!localeFamilies[config.parentLocale]) {\n                            localeFamilies[config.parentLocale] = [];\n                        }\n                        localeFamilies[config.parentLocale].push({\n                            name: name,\n                            config: config\n                        });\n                        return null;\n                    }\n                }\n                locales[name] = new Locale(mergeConfigs(parentConfig, config));\n\n                if (localeFamilies[name]) {\n                    localeFamilies[name].forEach(function (x) {\n                        defineLocale(x.name, x.config);\n                    });\n                }\n\n                // backwards compat for now: also set the locale\n                // make sure we set the locale AFTER all child locales have been\n                // created, so we won't end up with the child locale set.\n                getSetGlobalLocale(name);\n\n\n                return locales[name];\n            } else {\n                // useful for testing\n                delete locales[name];\n                return null;\n            }\n        }\n\n        function updateLocale(name, config) {\n            if (config != null) {\n                var locale, parentConfig = baseConfig;\n                // MERGE\n                if (locales[name] != null) {\n                    parentConfig = locales[name]._config;\n                }\n                config = mergeConfigs(parentConfig, config);\n                locale = new Locale(config);\n                locale.parentLocale = locales[name];\n                locales[name] = locale;\n\n                // backwards compat for now: also set the locale\n                getSetGlobalLocale(name);\n            } else {\n                // pass null for config to unupdate, useful for tests\n                if (locales[name] != null) {\n                    if (locales[name].parentLocale != null) {\n                        locales[name] = locales[name].parentLocale;\n                    } else if (locales[name] != null) {\n                        delete locales[name];\n                    }\n                }\n            }\n            return locales[name];\n        }\n\n// returns locale data\n        function getLocale (key) {\n            var locale;\n\n            if (key && key._locale && key._locale._abbr) {\n                key = key._locale._abbr;\n            }\n\n            if (!key) {\n                return globalLocale;\n            }\n\n            if (!isArray(key)) {\n                //short-circuit everything else\n                locale = loadLocale(key);\n                if (locale) {\n                    return locale;\n                }\n                key = [key];\n            }\n\n            return chooseLocale(key);\n        }\n\n        function listLocales() {\n            return keys$1(locales);\n        }\n\n        function checkOverflow (m) {\n            var overflow;\n            var a = m._a;\n\n            if (a && getParsingFlags(m).overflow === -2) {\n                overflow =\n                    a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :\n                        a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :\n                            a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :\n                                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :\n                                    a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :\n                                        a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :\n                                            -1;\n\n                if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {\n                    overflow = DATE;\n                }\n                if (getParsingFlags(m)._overflowWeeks && overflow === -1) {\n                    overflow = WEEK;\n                }\n                if (getParsingFlags(m)._overflowWeekday && overflow === -1) {\n                    overflow = WEEKDAY;\n                }\n\n                getParsingFlags(m).overflow = overflow;\n            }\n\n            return m;\n        }\n\n// iso 8601 regex\n// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)\n        var extendedIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})-(?:\\d\\d-\\d\\d|W\\d\\d-\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?::\\d\\d(?::\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n        var basicIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})(?:\\d\\d\\d\\d|W\\d\\d\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?:\\d\\d(?:\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n\n        var tzRegex = /Z|[+-]\\d\\d(?::?\\d\\d)?/;\n\n        var isoDates = [\n            ['YYYYYY-MM-DD', /[+-]\\d{6}-\\d\\d-\\d\\d/],\n            ['YYYY-MM-DD', /\\d{4}-\\d\\d-\\d\\d/],\n            ['GGGG-[W]WW-E', /\\d{4}-W\\d\\d-\\d/],\n            ['GGGG-[W]WW', /\\d{4}-W\\d\\d/, false],\n            ['YYYY-DDD', /\\d{4}-\\d{3}/],\n            ['YYYY-MM', /\\d{4}-\\d\\d/, false],\n            ['YYYYYYMMDD', /[+-]\\d{10}/],\n            ['YYYYMMDD', /\\d{8}/],\n            // YYYYMM is NOT allowed by the standard\n            ['GGGG[W]WWE', /\\d{4}W\\d{3}/],\n            ['GGGG[W]WW', /\\d{4}W\\d{2}/, false],\n            ['YYYYDDD', /\\d{7}/]\n        ];\n\n// iso time formats and regexes\n        var isoTimes = [\n            ['HH:mm:ss.SSSS', /\\d\\d:\\d\\d:\\d\\d\\.\\d+/],\n            ['HH:mm:ss,SSSS', /\\d\\d:\\d\\d:\\d\\d,\\d+/],\n            ['HH:mm:ss', /\\d\\d:\\d\\d:\\d\\d/],\n            ['HH:mm', /\\d\\d:\\d\\d/],\n            ['HHmmss.SSSS', /\\d\\d\\d\\d\\d\\d\\.\\d+/],\n            ['HHmmss,SSSS', /\\d\\d\\d\\d\\d\\d,\\d+/],\n            ['HHmmss', /\\d\\d\\d\\d\\d\\d/],\n            ['HHmm', /\\d\\d\\d\\d/],\n            ['HH', /\\d\\d/]\n        ];\n\n        var aspNetJsonRegex = /^\\/?Date\\((\\-?\\d+)/i;\n\n// date from iso format\n        function configFromISO(config) {\n            var i, l,\n                string = config._i,\n                match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),\n                allowTime, dateFormat, timeFormat, tzFormat;\n\n            if (match) {\n                getParsingFlags(config).iso = true;\n\n                for (i = 0, l = isoDates.length; i < l; i++) {\n                    if (isoDates[i][1].exec(match[1])) {\n                        dateFormat = isoDates[i][0];\n                        allowTime = isoDates[i][2] !== false;\n                        break;\n                    }\n                }\n                if (dateFormat == null) {\n                    config._isValid = false;\n                    return;\n                }\n                if (match[3]) {\n                    for (i = 0, l = isoTimes.length; i < l; i++) {\n                        if (isoTimes[i][1].exec(match[3])) {\n                            // match[2] should be 'T' or space\n                            timeFormat = (match[2] || ' ') + isoTimes[i][0];\n                            break;\n                        }\n                    }\n                    if (timeFormat == null) {\n                        config._isValid = false;\n                        return;\n                    }\n                }\n                if (!allowTime && timeFormat != null) {\n                    config._isValid = false;\n                    return;\n                }\n                if (match[4]) {\n                    if (tzRegex.exec(match[4])) {\n                        tzFormat = 'Z';\n                    } else {\n                        config._isValid = false;\n                        return;\n                    }\n                }\n                config._f = dateFormat + (timeFormat || '') + (tzFormat || '');\n                configFromStringAndFormat(config);\n            } else {\n                config._isValid = false;\n            }\n        }\n\n// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3\n        var basicRfcRegex = /^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\\s)?(\\d?\\d\\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(?:\\d\\d)?\\d\\d\\s)(\\d\\d:\\d\\d)(\\:\\d\\d)?(\\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\\d{4}))$/;\n\n// date and time from ref 2822 format\n        function configFromRFC2822(config) {\n            var string, match, dayFormat,\n                dateFormat, timeFormat, tzFormat;\n            var timezones = {\n                ' GMT': ' +0000',\n                ' EDT': ' -0400',\n                ' EST': ' -0500',\n                ' CDT': ' -0500',\n                ' CST': ' -0600',\n                ' MDT': ' -0600',\n                ' MST': ' -0700',\n                ' PDT': ' -0700',\n                ' PST': ' -0800'\n            };\n            var military = 'YXWVUTSRQPONZABCDEFGHIKLM';\n            var timezone, timezoneIndex;\n\n            string = config._i\n                .replace(/\\([^\\)]*\\)|[\\n\\t]/g, ' ') // Remove comments and folding whitespace\n                .replace(/(\\s\\s+)/g, ' ') // Replace multiple-spaces with a single space\n                .replace(/^\\s|\\s$/g, ''); // Remove leading and trailing spaces\n            match = basicRfcRegex.exec(string);\n\n            if (match) {\n                dayFormat = match[1] ? 'ddd' + ((match[1].length === 5) ? ', ' : ' ') : '';\n                dateFormat = 'D MMM ' + ((match[2].length > 10) ? 'YYYY ' : 'YY ');\n                timeFormat = 'HH:mm' + (match[4] ? ':ss' : '');\n\n                // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.\n                if (match[1]) { // day of week given\n                    var momentDate = new Date(match[2]);\n                    var momentDay = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'][momentDate.getDay()];\n\n                    if (match[1].substr(0,3) !== momentDay) {\n                        getParsingFlags(config).weekdayMismatch = true;\n                        config._isValid = false;\n                        return;\n                    }\n                }\n\n                switch (match[5].length) {\n                    case 2: // military\n                        if (timezoneIndex === 0) {\n                            timezone = ' +0000';\n                        } else {\n                            timezoneIndex = military.indexOf(match[5][1].toUpperCase()) - 12;\n                            timezone = ((timezoneIndex < 0) ? ' -' : ' +') +\n                                (('' + timezoneIndex).replace(/^-?/, '0')).match(/..$/)[0] + '00';\n                        }\n                        break;\n                    case 4: // Zone\n                        timezone = timezones[match[5]];\n                        break;\n                    default: // UT or +/-9999\n                        timezone = timezones[' GMT'];\n                }\n                match[5] = timezone;\n                config._i = match.splice(1).join('');\n                tzFormat = ' ZZ';\n                config._f = dayFormat + dateFormat + timeFormat + tzFormat;\n                configFromStringAndFormat(config);\n                getParsingFlags(config).rfc2822 = true;\n            } else {\n                config._isValid = false;\n            }\n        }\n\n// date from iso format or fallback\n        function configFromString(config) {\n            var matched = aspNetJsonRegex.exec(config._i);\n\n            if (matched !== null) {\n                config._d = new Date(+matched[1]);\n                return;\n            }\n\n            configFromISO(config);\n            if (config._isValid === false) {\n                delete config._isValid;\n            } else {\n                return;\n            }\n\n            configFromRFC2822(config);\n            if (config._isValid === false) {\n                delete config._isValid;\n            } else {\n                return;\n            }\n\n            // Final attempt, use Input Fallback\n            hooks.createFromInputFallback(config);\n        }\n\n        hooks.createFromInputFallback = deprecate(\n            'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +\n            'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +\n            'discouraged and will be removed in an upcoming major release. Please refer to ' +\n            'http://momentjs.com/guides/#/warnings/js-date/ for more info.',\n            function (config) {\n                config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n            }\n        );\n\n// Pick the first defined of two or three arguments.\n        function defaults(a, b, c) {\n            if (a != null) {\n                return a;\n            }\n            if (b != null) {\n                return b;\n            }\n            return c;\n        }\n\n        function currentDateArray(config) {\n            // hooks is actually the exported moment object\n            var nowValue = new Date(hooks.now());\n            if (config._useUTC) {\n                return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];\n            }\n            return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];\n        }\n\n// convert an array to a date.\n// the array should mirror the parameters below\n// note: all values past the year are optional and will default to the lowest possible value.\n// [year, month, day , hour, minute, second, millisecond]\n        function configFromArray (config) {\n            var i, date, input = [], currentDate, yearToUse;\n\n            if (config._d) {\n                return;\n            }\n\n            currentDate = currentDateArray(config);\n\n            //compute day of the year from weeks and weekdays\n            if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n                dayOfYearFromWeekInfo(config);\n            }\n\n            //if the day of the year is set, figure out what it is\n            if (config._dayOfYear != null) {\n                yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n                if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {\n                    getParsingFlags(config)._overflowDayOfYear = true;\n                }\n\n                date = createUTCDate(yearToUse, 0, config._dayOfYear);\n                config._a[MONTH] = date.getUTCMonth();\n                config._a[DATE] = date.getUTCDate();\n            }\n\n            // Default to current date.\n            // * if no year, month, day of month are given, default to today\n            // * if day of month is given, default month and year\n            // * if month is given, default only year\n            // * if year is given, don't default anything\n            for (i = 0; i < 3 && config._a[i] == null; ++i) {\n                config._a[i] = input[i] = currentDate[i];\n            }\n\n            // Zero out whatever was not defaulted, including time\n            for (; i < 7; i++) {\n                config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];\n            }\n\n            // Check for 24:00:00.000\n            if (config._a[HOUR] === 24 &&\n                config._a[MINUTE] === 0 &&\n                config._a[SECOND] === 0 &&\n                config._a[MILLISECOND] === 0) {\n                config._nextDay = true;\n                config._a[HOUR] = 0;\n            }\n\n            config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);\n            // Apply timezone offset from input. The actual utcOffset can be changed\n            // with parseZone.\n            if (config._tzm != null) {\n                config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n            }\n\n            if (config._nextDay) {\n                config._a[HOUR] = 24;\n            }\n        }\n\n        function dayOfYearFromWeekInfo(config) {\n            var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;\n\n            w = config._w;\n            if (w.GG != null || w.W != null || w.E != null) {\n                dow = 1;\n                doy = 4;\n\n                // TODO: We need to take the current isoWeekYear, but that depends on\n                // how we interpret now (local, utc, fixed offset). So create\n                // a now version of current config (take local/utc/offset flags, and\n                // create now).\n                weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);\n                week = defaults(w.W, 1);\n                weekday = defaults(w.E, 1);\n                if (weekday < 1 || weekday > 7) {\n                    weekdayOverflow = true;\n                }\n            } else {\n                dow = config._locale._week.dow;\n                doy = config._locale._week.doy;\n\n                var curWeek = weekOfYear(createLocal(), dow, doy);\n\n                weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);\n\n                // Default to current week.\n                week = defaults(w.w, curWeek.week);\n\n                if (w.d != null) {\n                    // weekday -- low day numbers are considered next week\n                    weekday = w.d;\n                    if (weekday < 0 || weekday > 6) {\n                        weekdayOverflow = true;\n                    }\n                } else if (w.e != null) {\n                    // local weekday -- counting starts from begining of week\n                    weekday = w.e + dow;\n                    if (w.e < 0 || w.e > 6) {\n                        weekdayOverflow = true;\n                    }\n                } else {\n                    // default to begining of week\n                    weekday = dow;\n                }\n            }\n            if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {\n                getParsingFlags(config)._overflowWeeks = true;\n            } else if (weekdayOverflow != null) {\n                getParsingFlags(config)._overflowWeekday = true;\n            } else {\n                temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);\n                config._a[YEAR] = temp.year;\n                config._dayOfYear = temp.dayOfYear;\n            }\n        }\n\n// constant that refers to the ISO standard\n        hooks.ISO_8601 = function () {};\n\n// constant that refers to the RFC 2822 form\n        hooks.RFC_2822 = function () {};\n\n// date from string and format string\n        function configFromStringAndFormat(config) {\n            // TODO: Move this to another part of the creation flow to prevent circular deps\n            if (config._f === hooks.ISO_8601) {\n                configFromISO(config);\n                return;\n            }\n            if (config._f === hooks.RFC_2822) {\n                configFromRFC2822(config);\n                return;\n            }\n            config._a = [];\n            getParsingFlags(config).empty = true;\n\n            // This array is used to make a Date, either with `new Date` or `Date.UTC`\n            var string = '' + config._i,\n                i, parsedInput, tokens, token, skipped,\n                stringLength = string.length,\n                totalParsedInputLength = 0;\n\n            tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];\n\n            for (i = 0; i < tokens.length; i++) {\n                token = tokens[i];\n                parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];\n                // console.log('token', token, 'parsedInput', parsedInput,\n                //         'regex', getParseRegexForToken(token, config));\n                if (parsedInput) {\n                    skipped = string.substr(0, string.indexOf(parsedInput));\n                    if (skipped.length > 0) {\n                        getParsingFlags(config).unusedInput.push(skipped);\n                    }\n                    string = string.slice(string.indexOf(parsedInput) + parsedInput.length);\n                    totalParsedInputLength += parsedInput.length;\n                }\n                // don't parse if it's not a known token\n                if (formatTokenFunctions[token]) {\n                    if (parsedInput) {\n                        getParsingFlags(config).empty = false;\n                    }\n                    else {\n                        getParsingFlags(config).unusedTokens.push(token);\n                    }\n                    addTimeToArrayFromToken(token, parsedInput, config);\n                }\n                else if (config._strict && !parsedInput) {\n                    getParsingFlags(config).unusedTokens.push(token);\n                }\n            }\n\n            // add remaining unparsed input length to the string\n            getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;\n            if (string.length > 0) {\n                getParsingFlags(config).unusedInput.push(string);\n            }\n\n            // clear _12h flag if hour is <= 12\n            if (config._a[HOUR] <= 12 &&\n                getParsingFlags(config).bigHour === true &&\n                config._a[HOUR] > 0) {\n                getParsingFlags(config).bigHour = undefined;\n            }\n\n            getParsingFlags(config).parsedDateParts = config._a.slice(0);\n            getParsingFlags(config).meridiem = config._meridiem;\n            // handle meridiem\n            config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);\n\n            configFromArray(config);\n            checkOverflow(config);\n        }\n\n\n        function meridiemFixWrap (locale, hour, meridiem) {\n            var isPm;\n\n            if (meridiem == null) {\n                // nothing to do\n                return hour;\n            }\n            if (locale.meridiemHour != null) {\n                return locale.meridiemHour(hour, meridiem);\n            } else if (locale.isPM != null) {\n                // Fallback\n                isPm = locale.isPM(meridiem);\n                if (isPm && hour < 12) {\n                    hour += 12;\n                }\n                if (!isPm && hour === 12) {\n                    hour = 0;\n                }\n                return hour;\n            } else {\n                // this is not supposed to happen\n                return hour;\n            }\n        }\n\n// date from string and array of format strings\n        function configFromStringAndArray(config) {\n            var tempConfig,\n                bestMoment,\n\n                scoreToBeat,\n                i,\n                currentScore;\n\n            if (config._f.length === 0) {\n                getParsingFlags(config).invalidFormat = true;\n                config._d = new Date(NaN);\n                return;\n            }\n\n            for (i = 0; i < config._f.length; i++) {\n                currentScore = 0;\n                tempConfig = copyConfig({}, config);\n                if (config._useUTC != null) {\n                    tempConfig._useUTC = config._useUTC;\n                }\n                tempConfig._f = config._f[i];\n                configFromStringAndFormat(tempConfig);\n\n                if (!isValid(tempConfig)) {\n                    continue;\n                }\n\n                // if there is any input that was not parsed add a penalty for that format\n                currentScore += getParsingFlags(tempConfig).charsLeftOver;\n\n                //or tokens\n                currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n\n                getParsingFlags(tempConfig).score = currentScore;\n\n                if (scoreToBeat == null || currentScore < scoreToBeat) {\n                    scoreToBeat = currentScore;\n                    bestMoment = tempConfig;\n                }\n            }\n\n            extend(config, bestMoment || tempConfig);\n        }\n\n        function configFromObject(config) {\n            if (config._d) {\n                return;\n            }\n\n            var i = normalizeObjectUnits(config._i);\n            config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {\n                return obj && parseInt(obj, 10);\n            });\n\n            configFromArray(config);\n        }\n\n        function createFromConfig (config) {\n            var res = new Moment(checkOverflow(prepareConfig(config)));\n            if (res._nextDay) {\n                // Adding is smart enough around DST\n                res.add(1, 'd');\n                res._nextDay = undefined;\n            }\n\n            return res;\n        }\n\n        function prepareConfig (config) {\n            var input = config._i,\n                format = config._f;\n\n            config._locale = config._locale || getLocale(config._l);\n\n            if (input === null || (format === undefined && input === '')) {\n                return createInvalid({nullInput: true});\n            }\n\n            if (typeof input === 'string') {\n                config._i = input = config._locale.preparse(input);\n            }\n\n            if (isMoment(input)) {\n                return new Moment(checkOverflow(input));\n            } else if (isDate(input)) {\n                config._d = input;\n            } else if (isArray(format)) {\n                configFromStringAndArray(config);\n            } else if (format) {\n                configFromStringAndFormat(config);\n            }  else {\n                configFromInput(config);\n            }\n\n            if (!isValid(config)) {\n                config._d = null;\n            }\n\n            return config;\n        }\n\n        function configFromInput(config) {\n            var input = config._i;\n            if (isUndefined(input)) {\n                config._d = new Date(hooks.now());\n            } else if (isDate(input)) {\n                config._d = new Date(input.valueOf());\n            } else if (typeof input === 'string') {\n                configFromString(config);\n            } else if (isArray(input)) {\n                config._a = map(input.slice(0), function (obj) {\n                    return parseInt(obj, 10);\n                });\n                configFromArray(config);\n            } else if (isObject(input)) {\n                configFromObject(config);\n            } else if (isNumber(input)) {\n                // from milliseconds\n                config._d = new Date(input);\n            } else {\n                hooks.createFromInputFallback(config);\n            }\n        }\n\n        function createLocalOrUTC (input, format, locale, strict, isUTC) {\n            var c = {};\n\n            if (locale === true || locale === false) {\n                strict = locale;\n                locale = undefined;\n            }\n\n            if ((isObject(input) && isObjectEmpty(input)) ||\n                (isArray(input) && input.length === 0)) {\n                input = undefined;\n            }\n            // object construction must be done this way.\n            // https://github.com/moment/moment/issues/1423\n            c._isAMomentObject = true;\n            c._useUTC = c._isUTC = isUTC;\n            c._l = locale;\n            c._i = input;\n            c._f = format;\n            c._strict = strict;\n\n            return createFromConfig(c);\n        }\n\n        function createLocal (input, format, locale, strict) {\n            return createLocalOrUTC(input, format, locale, strict, false);\n        }\n\n        var prototypeMin = deprecate(\n            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other < this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n        var prototypeMax = deprecate(\n            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other > this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n// Pick a moment m from moments so that m[fn](other) is true for all\n// other. This relies on the function fn to be transitive.\n//\n// moments should either be an array of moment objects or an array, whose\n// first element is an array of moment objects.\n        function pickBy(fn, moments) {\n            var res, i;\n            if (moments.length === 1 && isArray(moments[0])) {\n                moments = moments[0];\n            }\n            if (!moments.length) {\n                return createLocal();\n            }\n            res = moments[0];\n            for (i = 1; i < moments.length; ++i) {\n                if (!moments[i].isValid() || moments[i][fn](res)) {\n                    res = moments[i];\n                }\n            }\n            return res;\n        }\n\n// TODO: Use [].sort instead?\n        function min () {\n            var args = [].slice.call(arguments, 0);\n\n            return pickBy('isBefore', args);\n        }\n\n        function max () {\n            var args = [].slice.call(arguments, 0);\n\n            return pickBy('isAfter', args);\n        }\n\n        var now = function () {\n            return Date.now ? Date.now() : +(new Date());\n        };\n\n        var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];\n\n        function isDurationValid(m) {\n            for (var key in m) {\n                if (!(ordering.indexOf(key) !== -1 && (m[key] == null || !isNaN(m[key])))) {\n                    return false;\n                }\n            }\n\n            var unitHasDecimal = false;\n            for (var i = 0; i < ordering.length; ++i) {\n                if (m[ordering[i]]) {\n                    if (unitHasDecimal) {\n                        return false; // only allow non-integers for smallest unit\n                    }\n                    if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {\n                        unitHasDecimal = true;\n                    }\n                }\n            }\n\n            return true;\n        }\n\n        function isValid$1() {\n            return this._isValid;\n        }\n\n        function createInvalid$1() {\n            return createDuration(NaN);\n        }\n\n        function Duration (duration) {\n            var normalizedInput = normalizeObjectUnits(duration),\n                years = normalizedInput.year || 0,\n                quarters = normalizedInput.quarter || 0,\n                months = normalizedInput.month || 0,\n                weeks = normalizedInput.week || 0,\n                days = normalizedInput.day || 0,\n                hours = normalizedInput.hour || 0,\n                minutes = normalizedInput.minute || 0,\n                seconds = normalizedInput.second || 0,\n                milliseconds = normalizedInput.millisecond || 0;\n\n            this._isValid = isDurationValid(normalizedInput);\n\n            // representation for dateAddRemove\n            this._milliseconds = +milliseconds +\n                seconds * 1e3 + // 1000\n                minutes * 6e4 + // 1000 * 60\n                hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978\n            // Because of dateAddRemove treats 24 hours as different from a\n            // day when working around DST, we need to store them separately\n            this._days = +days +\n                weeks * 7;\n            // It is impossible translate months into days without knowing\n            // which months you are are talking about, so we have to store\n            // it separately.\n            this._months = +months +\n                quarters * 3 +\n                years * 12;\n\n            this._data = {};\n\n            this._locale = getLocale();\n\n            this._bubble();\n        }\n\n        function isDuration (obj) {\n            return obj instanceof Duration;\n        }\n\n        function absRound (number) {\n            if (number < 0) {\n                return Math.round(-1 * number) * -1;\n            } else {\n                return Math.round(number);\n            }\n        }\n\n// FORMATTING\n\n        function offset (token, separator) {\n            addFormatToken(token, 0, 0, function () {\n                var offset = this.utcOffset();\n                var sign = '+';\n                if (offset < 0) {\n                    offset = -offset;\n                    sign = '-';\n                }\n                return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);\n            });\n        }\n\n        offset('Z', ':');\n        offset('ZZ', '');\n\n// PARSING\n\n        addRegexToken('Z',  matchShortOffset);\n        addRegexToken('ZZ', matchShortOffset);\n        addParseToken(['Z', 'ZZ'], function (input, array, config) {\n            config._useUTC = true;\n            config._tzm = offsetFromString(matchShortOffset, input);\n        });\n\n// HELPERS\n\n// timezone chunker\n// '+10:00' > ['10',  '00']\n// '-1530'  > ['-15', '30']\n        var chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\n        function offsetFromString(matcher, string) {\n            var matches = (string || '').match(matcher);\n\n            if (matches === null) {\n                return null;\n            }\n\n            var chunk   = matches[matches.length - 1] || [];\n            var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n            var minutes = +(parts[1] * 60) + toInt(parts[2]);\n\n            return minutes === 0 ?\n                0 :\n                parts[0] === '+' ? minutes : -minutes;\n        }\n\n// Return a moment from input, that is local/utc/zone equivalent to model.\n        function cloneWithOffset(input, model) {\n            var res, diff;\n            if (model._isUTC) {\n                res = model.clone();\n                diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();\n                // Use low-level api, because this fn is low-level api.\n                res._d.setTime(res._d.valueOf() + diff);\n                hooks.updateOffset(res, false);\n                return res;\n            } else {\n                return createLocal(input).local();\n            }\n        }\n\n        function getDateOffset (m) {\n            // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n            // https://github.com/moment/moment/pull/1871\n            return -Math.round(m._d.getTimezoneOffset() / 15) * 15;\n        }\n\n// HOOKS\n\n// This function will be called whenever a moment is mutated.\n// It is intended to keep the offset in sync with the timezone.\n        hooks.updateOffset = function () {};\n\n// MOMENTS\n\n// keepLocalTime = true means only change the timezone, without\n// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n// +0200, so we adjust the time as needed, to be valid.\n//\n// Keeping the time actually adds/subtracts (one hour)\n// from the actual represented time. That is why we call updateOffset\n// a second time. In case it wants us to change the offset again\n// _changeInProgress == true case, then we have to adjust, because\n// there is no such time in the given timezone.\n        function getSetOffset (input, keepLocalTime, keepMinutes) {\n            var offset = this._offset || 0,\n                localAdjust;\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            if (input != null) {\n                if (typeof input === 'string') {\n                    input = offsetFromString(matchShortOffset, input);\n                    if (input === null) {\n                        return this;\n                    }\n                } else if (Math.abs(input) < 16 && !keepMinutes) {\n                    input = input * 60;\n                }\n                if (!this._isUTC && keepLocalTime) {\n                    localAdjust = getDateOffset(this);\n                }\n                this._offset = input;\n                this._isUTC = true;\n                if (localAdjust != null) {\n                    this.add(localAdjust, 'm');\n                }\n                if (offset !== input) {\n                    if (!keepLocalTime || this._changeInProgress) {\n                        addSubtract(this, createDuration(input - offset, 'm'), 1, false);\n                    } else if (!this._changeInProgress) {\n                        this._changeInProgress = true;\n                        hooks.updateOffset(this, true);\n                        this._changeInProgress = null;\n                    }\n                }\n                return this;\n            } else {\n                return this._isUTC ? offset : getDateOffset(this);\n            }\n        }\n\n        function getSetZone (input, keepLocalTime) {\n            if (input != null) {\n                if (typeof input !== 'string') {\n                    input = -input;\n                }\n\n                this.utcOffset(input, keepLocalTime);\n\n                return this;\n            } else {\n                return -this.utcOffset();\n            }\n        }\n\n        function setOffsetToUTC (keepLocalTime) {\n            return this.utcOffset(0, keepLocalTime);\n        }\n\n        function setOffsetToLocal (keepLocalTime) {\n            if (this._isUTC) {\n                this.utcOffset(0, keepLocalTime);\n                this._isUTC = false;\n\n                if (keepLocalTime) {\n                    this.subtract(getDateOffset(this), 'm');\n                }\n            }\n            return this;\n        }\n\n        function setOffsetToParsedOffset () {\n            if (this._tzm != null) {\n                this.utcOffset(this._tzm, false, true);\n            } else if (typeof this._i === 'string') {\n                var tZone = offsetFromString(matchOffset, this._i);\n                if (tZone != null) {\n                    this.utcOffset(tZone);\n                }\n                else {\n                    this.utcOffset(0, true);\n                }\n            }\n            return this;\n        }\n\n        function hasAlignedHourOffset (input) {\n            if (!this.isValid()) {\n                return false;\n            }\n            input = input ? createLocal(input).utcOffset() : 0;\n\n            return (this.utcOffset() - input) % 60 === 0;\n        }\n\n        function isDaylightSavingTime () {\n            return (\n                this.utcOffset() > this.clone().month(0).utcOffset() ||\n                this.utcOffset() > this.clone().month(5).utcOffset()\n            );\n        }\n\n        function isDaylightSavingTimeShifted () {\n            if (!isUndefined(this._isDSTShifted)) {\n                return this._isDSTShifted;\n            }\n\n            var c = {};\n\n            copyConfig(c, this);\n            c = prepareConfig(c);\n\n            if (c._a) {\n                var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);\n                this._isDSTShifted = this.isValid() &&\n                    compareArrays(c._a, other.toArray()) > 0;\n            } else {\n                this._isDSTShifted = false;\n            }\n\n            return this._isDSTShifted;\n        }\n\n        function isLocal () {\n            return this.isValid() ? !this._isUTC : false;\n        }\n\n        function isUtcOffset () {\n            return this.isValid() ? this._isUTC : false;\n        }\n\n        function isUtc () {\n            return this.isValid() ? this._isUTC && this._offset === 0 : false;\n        }\n\n// ASP.NET json date format regex\n        var aspNetRegex = /^(\\-)?(?:(\\d*)[. ])?(\\d+)\\:(\\d+)(?:\\:(\\d+)(\\.\\d*)?)?$/;\n\n// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n// and further modified to allow for strings containing both week and day\n        var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;\n\n        function createDuration (input, key) {\n            var duration = input,\n                // matching against regexp is expensive, do it on demand\n                match = null,\n                sign,\n                ret,\n                diffRes;\n\n            if (isDuration(input)) {\n                duration = {\n                    ms : input._milliseconds,\n                    d  : input._days,\n                    M  : input._months\n                };\n            } else if (isNumber(input)) {\n                duration = {};\n                if (key) {\n                    duration[key] = input;\n                } else {\n                    duration.milliseconds = input;\n                }\n            } else if (!!(match = aspNetRegex.exec(input))) {\n                sign = (match[1] === '-') ? -1 : 1;\n                duration = {\n                    y  : 0,\n                    d  : toInt(match[DATE])                         * sign,\n                    h  : toInt(match[HOUR])                         * sign,\n                    m  : toInt(match[MINUTE])                       * sign,\n                    s  : toInt(match[SECOND])                       * sign,\n                    ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match\n                };\n            } else if (!!(match = isoRegex.exec(input))) {\n                sign = (match[1] === '-') ? -1 : 1;\n                duration = {\n                    y : parseIso(match[2], sign),\n                    M : parseIso(match[3], sign),\n                    w : parseIso(match[4], sign),\n                    d : parseIso(match[5], sign),\n                    h : parseIso(match[6], sign),\n                    m : parseIso(match[7], sign),\n                    s : parseIso(match[8], sign)\n                };\n            } else if (duration == null) {// checks for null or undefined\n                duration = {};\n            } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {\n                diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));\n\n                duration = {};\n                duration.ms = diffRes.milliseconds;\n                duration.M = diffRes.months;\n            }\n\n            ret = new Duration(duration);\n\n            if (isDuration(input) && hasOwnProp(input, '_locale')) {\n                ret._locale = input._locale;\n            }\n\n            return ret;\n        }\n\n        createDuration.fn = Duration.prototype;\n        createDuration.invalid = createInvalid$1;\n\n        function parseIso (inp, sign) {\n            // We'd normally use ~~inp for this, but unfortunately it also\n            // converts floats to ints.\n            // inp may be undefined, so careful calling replace on it.\n            var res = inp && parseFloat(inp.replace(',', '.'));\n            // apply sign while we're at it\n            return (isNaN(res) ? 0 : res) * sign;\n        }\n\n        function positiveMomentsDifference(base, other) {\n            var res = {milliseconds: 0, months: 0};\n\n            res.months = other.month() - base.month() +\n                (other.year() - base.year()) * 12;\n            if (base.clone().add(res.months, 'M').isAfter(other)) {\n                --res.months;\n            }\n\n            res.milliseconds = +other - +(base.clone().add(res.months, 'M'));\n\n            return res;\n        }\n\n        function momentsDifference(base, other) {\n            var res;\n            if (!(base.isValid() && other.isValid())) {\n                return {milliseconds: 0, months: 0};\n            }\n\n            other = cloneWithOffset(other, base);\n            if (base.isBefore(other)) {\n                res = positiveMomentsDifference(base, other);\n            } else {\n                res = positiveMomentsDifference(other, base);\n                res.milliseconds = -res.milliseconds;\n                res.months = -res.months;\n            }\n\n            return res;\n        }\n\n// TODO: remove 'name' arg after deprecation is removed\n        function createAdder(direction, name) {\n            return function (val, period) {\n                var dur, tmp;\n                //invert the arguments, but complain about it\n                if (period !== null && !isNaN(+period)) {\n                    deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +\n                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');\n                    tmp = val; val = period; period = tmp;\n                }\n\n                val = typeof val === 'string' ? +val : val;\n                dur = createDuration(val, period);\n                addSubtract(this, dur, direction);\n                return this;\n            };\n        }\n\n        function addSubtract (mom, duration, isAdding, updateOffset) {\n            var milliseconds = duration._milliseconds,\n                days = absRound(duration._days),\n                months = absRound(duration._months);\n\n            if (!mom.isValid()) {\n                // No op\n                return;\n            }\n\n            updateOffset = updateOffset == null ? true : updateOffset;\n\n            if (milliseconds) {\n                mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);\n            }\n            if (days) {\n                set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);\n            }\n            if (months) {\n                setMonth(mom, get(mom, 'Month') + months * isAdding);\n            }\n            if (updateOffset) {\n                hooks.updateOffset(mom, days || months);\n            }\n        }\n\n        var add      = createAdder(1, 'add');\n        var subtract = createAdder(-1, 'subtract');\n\n        function getCalendarFormat(myMoment, now) {\n            var diff = myMoment.diff(now, 'days', true);\n            return diff < -6 ? 'sameElse' :\n                diff < -1 ? 'lastWeek' :\n                    diff < 0 ? 'lastDay' :\n                        diff < 1 ? 'sameDay' :\n                            diff < 2 ? 'nextDay' :\n                                diff < 7 ? 'nextWeek' : 'sameElse';\n        }\n\n        function calendar$1 (time, formats) {\n            // We want to compare the start of today, vs this.\n            // Getting start-of-today depends on whether we're local/utc/offset or not.\n            var now = time || createLocal(),\n                sod = cloneWithOffset(now, this).startOf('day'),\n                format = hooks.calendarFormat(this, sod) || 'sameElse';\n\n            var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);\n\n            return this.format(output || this.localeData().calendar(format, this, createLocal(now)));\n        }\n\n        function clone () {\n            return new Moment(this);\n        }\n\n        function isAfter (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input);\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() > localInput.valueOf();\n            } else {\n                return localInput.valueOf() < this.clone().startOf(units).valueOf();\n            }\n        }\n\n        function isBefore (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input);\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() < localInput.valueOf();\n            } else {\n                return this.clone().endOf(units).valueOf() < localInput.valueOf();\n            }\n        }\n\n        function isBetween (from, to, units, inclusivity) {\n            inclusivity = inclusivity || '()';\n            return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&\n                (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));\n        }\n\n        function isSame (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input),\n                inputMs;\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(units || 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() === localInput.valueOf();\n            } else {\n                inputMs = localInput.valueOf();\n                return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();\n            }\n        }\n\n        function isSameOrAfter (input, units) {\n            return this.isSame(input, units) || this.isAfter(input,units);\n        }\n\n        function isSameOrBefore (input, units) {\n            return this.isSame(input, units) || this.isBefore(input,units);\n        }\n\n        function diff (input, units, asFloat) {\n            var that,\n                zoneDelta,\n                delta, output;\n\n            if (!this.isValid()) {\n                return NaN;\n            }\n\n            that = cloneWithOffset(input, this);\n\n            if (!that.isValid()) {\n                return NaN;\n            }\n\n            zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;\n\n            units = normalizeUnits(units);\n\n            if (units === 'year' || units === 'month' || units === 'quarter') {\n                output = monthDiff(this, that);\n                if (units === 'quarter') {\n                    output = output / 3;\n                } else if (units === 'year') {\n                    output = output / 12;\n                }\n            } else {\n                delta = this - that;\n                output = units === 'second' ? delta / 1e3 : // 1000\n                    units === 'minute' ? delta / 6e4 : // 1000 * 60\n                        units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60\n                            units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst\n                                units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst\n                                    delta;\n            }\n            return asFloat ? output : absFloor(output);\n        }\n\n        function monthDiff (a, b) {\n            // difference in months\n            var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),\n                // b is in (anchor - 1 month, anchor + 1 month)\n                anchor = a.clone().add(wholeMonthDiff, 'months'),\n                anchor2, adjust;\n\n            if (b - anchor < 0) {\n                anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');\n                // linear across the month\n                adjust = (b - anchor) / (anchor - anchor2);\n            } else {\n                anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');\n                // linear across the month\n                adjust = (b - anchor) / (anchor2 - anchor);\n            }\n\n            //check for negative zero, return zero if negative zero\n            return -(wholeMonthDiff + adjust) || 0;\n        }\n\n        hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\n        hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';\n\n        function toString () {\n            return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n        }\n\n        function toISOString() {\n            if (!this.isValid()) {\n                return null;\n            }\n            var m = this.clone().utc();\n            if (m.year() < 0 || m.year() > 9999) {\n                return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n            }\n            if (isFunction(Date.prototype.toISOString)) {\n                // native implementation is ~50x faster, use it when we can\n                return this.toDate().toISOString();\n            }\n            return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n        }\n\n        /**\n         * Return a human readable representation of a moment that can\n         * also be evaluated to get a new moment which is the same\n         *\n         * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects\n         */\n        function inspect () {\n            if (!this.isValid()) {\n                return 'moment.invalid(/* ' + this._i + ' */)';\n            }\n            var func = 'moment';\n            var zone = '';\n            if (!this.isLocal()) {\n                func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';\n                zone = 'Z';\n            }\n            var prefix = '[' + func + '(\"]';\n            var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';\n            var datetime = '-MM-DD[T]HH:mm:ss.SSS';\n            var suffix = zone + '[\")]';\n\n            return this.format(prefix + year + datetime + suffix);\n        }\n\n        function format (inputString) {\n            if (!inputString) {\n                inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;\n            }\n            var output = formatMoment(this, inputString);\n            return this.localeData().postformat(output);\n        }\n\n        function from (time, withoutSuffix) {\n            if (this.isValid() &&\n                ((isMoment(time) && time.isValid()) ||\n                createLocal(time).isValid())) {\n                return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);\n            } else {\n                return this.localeData().invalidDate();\n            }\n        }\n\n        function fromNow (withoutSuffix) {\n            return this.from(createLocal(), withoutSuffix);\n        }\n\n        function to (time, withoutSuffix) {\n            if (this.isValid() &&\n                ((isMoment(time) && time.isValid()) ||\n                createLocal(time).isValid())) {\n                return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);\n            } else {\n                return this.localeData().invalidDate();\n            }\n        }\n\n        function toNow (withoutSuffix) {\n            return this.to(createLocal(), withoutSuffix);\n        }\n\n// If passed a locale key, it will set the locale for this\n// instance.  Otherwise, it will return the locale configuration\n// variables for this instance.\n        function locale (key) {\n            var newLocaleData;\n\n            if (key === undefined) {\n                return this._locale._abbr;\n            } else {\n                newLocaleData = getLocale(key);\n                if (newLocaleData != null) {\n                    this._locale = newLocaleData;\n                }\n                return this;\n            }\n        }\n\n        var lang = deprecate(\n            'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',\n            function (key) {\n                if (key === undefined) {\n                    return this.localeData();\n                } else {\n                    return this.locale(key);\n                }\n            }\n        );\n\n        function localeData () {\n            return this._locale;\n        }\n\n        function startOf (units) {\n            units = normalizeUnits(units);\n            // the following switch intentionally omits break keywords\n            // to utilize falling through the cases.\n            switch (units) {\n                case 'year':\n                    this.month(0);\n\t\t\t\t/* falls through */\n                case 'quarter':\n                case 'month':\n                    this.date(1);\n\t\t\t\t/* falls through */\n                case 'week':\n                case 'isoWeek':\n                case 'day':\n                case 'date':\n                    this.hours(0);\n\t\t\t\t/* falls through */\n                case 'hour':\n                    this.minutes(0);\n\t\t\t\t/* falls through */\n                case 'minute':\n                    this.seconds(0);\n\t\t\t\t/* falls through */\n                case 'second':\n                    this.milliseconds(0);\n            }\n\n            // weeks are a special case\n            if (units === 'week') {\n                this.weekday(0);\n            }\n            if (units === 'isoWeek') {\n                this.isoWeekday(1);\n            }\n\n            // quarters are also special\n            if (units === 'quarter') {\n                this.month(Math.floor(this.month() / 3) * 3);\n            }\n\n            return this;\n        }\n\n        function endOf (units) {\n            units = normalizeUnits(units);\n            if (units === undefined || units === 'millisecond') {\n                return this;\n            }\n\n            // 'date' is an alias for 'day', so it should be considered as such.\n            if (units === 'date') {\n                units = 'day';\n            }\n\n            return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');\n        }\n\n        function valueOf () {\n            return this._d.valueOf() - ((this._offset || 0) * 60000);\n        }\n\n        function unix () {\n            return Math.floor(this.valueOf() / 1000);\n        }\n\n        function toDate () {\n            return new Date(this.valueOf());\n        }\n\n        function toArray () {\n            var m = this;\n            return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];\n        }\n\n        function toObject () {\n            var m = this;\n            return {\n                years: m.year(),\n                months: m.month(),\n                date: m.date(),\n                hours: m.hours(),\n                minutes: m.minutes(),\n                seconds: m.seconds(),\n                milliseconds: m.milliseconds()\n            };\n        }\n\n        function toJSON () {\n            // new Date(NaN).toJSON() === null\n            return this.isValid() ? this.toISOString() : null;\n        }\n\n        function isValid$2 () {\n            return isValid(this);\n        }\n\n        function parsingFlags () {\n            return extend({}, getParsingFlags(this));\n        }\n\n        function invalidAt () {\n            return getParsingFlags(this).overflow;\n        }\n\n        function creationData() {\n            return {\n                input: this._i,\n                format: this._f,\n                locale: this._locale,\n                isUTC: this._isUTC,\n                strict: this._strict\n            };\n        }\n\n// FORMATTING\n\n        addFormatToken(0, ['gg', 2], 0, function () {\n            return this.weekYear() % 100;\n        });\n\n        addFormatToken(0, ['GG', 2], 0, function () {\n            return this.isoWeekYear() % 100;\n        });\n\n        function addWeekYearFormatToken (token, getter) {\n            addFormatToken(0, [token, token.length], 0, getter);\n        }\n\n        addWeekYearFormatToken('gggg',     'weekYear');\n        addWeekYearFormatToken('ggggg',    'weekYear');\n        addWeekYearFormatToken('GGGG',  'isoWeekYear');\n        addWeekYearFormatToken('GGGGG', 'isoWeekYear');\n\n// ALIASES\n\n        addUnitAlias('weekYear', 'gg');\n        addUnitAlias('isoWeekYear', 'GG');\n\n// PRIORITY\n\n        addUnitPriority('weekYear', 1);\n        addUnitPriority('isoWeekYear', 1);\n\n\n// PARSING\n\n        addRegexToken('G',      matchSigned);\n        addRegexToken('g',      matchSigned);\n        addRegexToken('GG',     match1to2, match2);\n        addRegexToken('gg',     match1to2, match2);\n        addRegexToken('GGGG',   match1to4, match4);\n        addRegexToken('gggg',   match1to4, match4);\n        addRegexToken('GGGGG',  match1to6, match6);\n        addRegexToken('ggggg',  match1to6, match6);\n\n        addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {\n            week[token.substr(0, 2)] = toInt(input);\n        });\n\n        addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {\n            week[token] = hooks.parseTwoDigitYear(input);\n        });\n\n// MOMENTS\n\n        function getSetWeekYear (input) {\n            return getSetWeekYearHelper.call(this,\n                input,\n                this.week(),\n                this.weekday(),\n                this.localeData()._week.dow,\n                this.localeData()._week.doy);\n        }\n\n        function getSetISOWeekYear (input) {\n            return getSetWeekYearHelper.call(this,\n                input, this.isoWeek(), this.isoWeekday(), 1, 4);\n        }\n\n        function getISOWeeksInYear () {\n            return weeksInYear(this.year(), 1, 4);\n        }\n\n        function getWeeksInYear () {\n            var weekInfo = this.localeData()._week;\n            return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);\n        }\n\n        function getSetWeekYearHelper(input, week, weekday, dow, doy) {\n            var weeksTarget;\n            if (input == null) {\n                return weekOfYear(this, dow, doy).year;\n            } else {\n                weeksTarget = weeksInYear(input, dow, doy);\n                if (week > weeksTarget) {\n                    week = weeksTarget;\n                }\n                return setWeekAll.call(this, input, week, weekday, dow, doy);\n            }\n        }\n\n        function setWeekAll(weekYear, week, weekday, dow, doy) {\n            var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),\n                date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);\n\n            this.year(date.getUTCFullYear());\n            this.month(date.getUTCMonth());\n            this.date(date.getUTCDate());\n            return this;\n        }\n\n// FORMATTING\n\n        addFormatToken('Q', 0, 'Qo', 'quarter');\n\n// ALIASES\n\n        addUnitAlias('quarter', 'Q');\n\n// PRIORITY\n\n        addUnitPriority('quarter', 7);\n\n// PARSING\n\n        addRegexToken('Q', match1);\n        addParseToken('Q', function (input, array) {\n            array[MONTH] = (toInt(input) - 1) * 3;\n        });\n\n// MOMENTS\n\n        function getSetQuarter (input) {\n            return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);\n        }\n\n// FORMATTING\n\n        addFormatToken('D', ['DD', 2], 'Do', 'date');\n\n// ALIASES\n\n        addUnitAlias('date', 'D');\n\n// PRIOROITY\n        addUnitPriority('date', 9);\n\n// PARSING\n\n        addRegexToken('D',  match1to2);\n        addRegexToken('DD', match1to2, match2);\n        addRegexToken('Do', function (isStrict, locale) {\n            // TODO: Remove \"ordinalParse\" fallback in next major release.\n            return isStrict ?\n                (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :\n                locale._dayOfMonthOrdinalParseLenient;\n        });\n\n        addParseToken(['D', 'DD'], DATE);\n        addParseToken('Do', function (input, array) {\n            array[DATE] = toInt(input.match(match1to2)[0], 10);\n        });\n\n// MOMENTS\n\n        var getSetDayOfMonth = makeGetSet('Date', true);\n\n// FORMATTING\n\n        addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');\n\n// ALIASES\n\n        addUnitAlias('dayOfYear', 'DDD');\n\n// PRIORITY\n        addUnitPriority('dayOfYear', 4);\n\n// PARSING\n\n        addRegexToken('DDD',  match1to3);\n        addRegexToken('DDDD', match3);\n        addParseToken(['DDD', 'DDDD'], function (input, array, config) {\n            config._dayOfYear = toInt(input);\n        });\n\n// HELPERS\n\n// MOMENTS\n\n        function getSetDayOfYear (input) {\n            var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;\n            return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');\n        }\n\n// FORMATTING\n\n        addFormatToken('m', ['mm', 2], 0, 'minute');\n\n// ALIASES\n\n        addUnitAlias('minute', 'm');\n\n// PRIORITY\n\n        addUnitPriority('minute', 14);\n\n// PARSING\n\n        addRegexToken('m',  match1to2);\n        addRegexToken('mm', match1to2, match2);\n        addParseToken(['m', 'mm'], MINUTE);\n\n// MOMENTS\n\n        var getSetMinute = makeGetSet('Minutes', false);\n\n// FORMATTING\n\n        addFormatToken('s', ['ss', 2], 0, 'second');\n\n// ALIASES\n\n        addUnitAlias('second', 's');\n\n// PRIORITY\n\n        addUnitPriority('second', 15);\n\n// PARSING\n\n        addRegexToken('s',  match1to2);\n        addRegexToken('ss', match1to2, match2);\n        addParseToken(['s', 'ss'], SECOND);\n\n// MOMENTS\n\n        var getSetSecond = makeGetSet('Seconds', false);\n\n// FORMATTING\n\n        addFormatToken('S', 0, 0, function () {\n            return ~~(this.millisecond() / 100);\n        });\n\n        addFormatToken(0, ['SS', 2], 0, function () {\n            return ~~(this.millisecond() / 10);\n        });\n\n        addFormatToken(0, ['SSS', 3], 0, 'millisecond');\n        addFormatToken(0, ['SSSS', 4], 0, function () {\n            return this.millisecond() * 10;\n        });\n        addFormatToken(0, ['SSSSS', 5], 0, function () {\n            return this.millisecond() * 100;\n        });\n        addFormatToken(0, ['SSSSSS', 6], 0, function () {\n            return this.millisecond() * 1000;\n        });\n        addFormatToken(0, ['SSSSSSS', 7], 0, function () {\n            return this.millisecond() * 10000;\n        });\n        addFormatToken(0, ['SSSSSSSS', 8], 0, function () {\n            return this.millisecond() * 100000;\n        });\n        addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {\n            return this.millisecond() * 1000000;\n        });\n\n\n// ALIASES\n\n        addUnitAlias('millisecond', 'ms');\n\n// PRIORITY\n\n        addUnitPriority('millisecond', 16);\n\n// PARSING\n\n        addRegexToken('S',    match1to3, match1);\n        addRegexToken('SS',   match1to3, match2);\n        addRegexToken('SSS',  match1to3, match3);\n\n        var token;\n        for (token = 'SSSS'; token.length <= 9; token += 'S') {\n            addRegexToken(token, matchUnsigned);\n        }\n\n        function parseMs(input, array) {\n            array[MILLISECOND] = toInt(('0.' + input) * 1000);\n        }\n\n        for (token = 'S'; token.length <= 9; token += 'S') {\n            addParseToken(token, parseMs);\n        }\n// MOMENTS\n\n        var getSetMillisecond = makeGetSet('Milliseconds', false);\n\n// FORMATTING\n\n        addFormatToken('z',  0, 0, 'zoneAbbr');\n        addFormatToken('zz', 0, 0, 'zoneName');\n\n// MOMENTS\n\n        function getZoneAbbr () {\n            return this._isUTC ? 'UTC' : '';\n        }\n\n        function getZoneName () {\n            return this._isUTC ? 'Coordinated Universal Time' : '';\n        }\n\n        var proto = Moment.prototype;\n\n        proto.add               = add;\n        proto.calendar          = calendar$1;\n        proto.clone             = clone;\n        proto.diff              = diff;\n        proto.endOf             = endOf;\n        proto.format            = format;\n        proto.from              = from;\n        proto.fromNow           = fromNow;\n        proto.to                = to;\n        proto.toNow             = toNow;\n        proto.get               = stringGet;\n        proto.invalidAt         = invalidAt;\n        proto.isAfter           = isAfter;\n        proto.isBefore          = isBefore;\n        proto.isBetween         = isBetween;\n        proto.isSame            = isSame;\n        proto.isSameOrAfter     = isSameOrAfter;\n        proto.isSameOrBefore    = isSameOrBefore;\n        proto.isValid           = isValid$2;\n        proto.lang              = lang;\n        proto.locale            = locale;\n        proto.localeData        = localeData;\n        proto.max               = prototypeMax;\n        proto.min               = prototypeMin;\n        proto.parsingFlags      = parsingFlags;\n        proto.set               = stringSet;\n        proto.startOf           = startOf;\n        proto.subtract          = subtract;\n        proto.toArray           = toArray;\n        proto.toObject          = toObject;\n        proto.toDate            = toDate;\n        proto.toISOString       = toISOString;\n        proto.inspect           = inspect;\n        proto.toJSON            = toJSON;\n        proto.toString          = toString;\n        proto.unix              = unix;\n        proto.valueOf           = valueOf;\n        proto.creationData      = creationData;\n\n// Year\n        proto.year       = getSetYear;\n        proto.isLeapYear = getIsLeapYear;\n\n// Week Year\n        proto.weekYear    = getSetWeekYear;\n        proto.isoWeekYear = getSetISOWeekYear;\n\n// Quarter\n        proto.quarter = proto.quarters = getSetQuarter;\n\n// Month\n        proto.month       = getSetMonth;\n        proto.daysInMonth = getDaysInMonth;\n\n// Week\n        proto.week           = proto.weeks        = getSetWeek;\n        proto.isoWeek        = proto.isoWeeks     = getSetISOWeek;\n        proto.weeksInYear    = getWeeksInYear;\n        proto.isoWeeksInYear = getISOWeeksInYear;\n\n// Day\n        proto.date       = getSetDayOfMonth;\n        proto.day        = proto.days             = getSetDayOfWeek;\n        proto.weekday    = getSetLocaleDayOfWeek;\n        proto.isoWeekday = getSetISODayOfWeek;\n        proto.dayOfYear  = getSetDayOfYear;\n\n// Hour\n        proto.hour = proto.hours = getSetHour;\n\n// Minute\n        proto.minute = proto.minutes = getSetMinute;\n\n// Second\n        proto.second = proto.seconds = getSetSecond;\n\n// Millisecond\n        proto.millisecond = proto.milliseconds = getSetMillisecond;\n\n// Offset\n        proto.utcOffset            = getSetOffset;\n        proto.utc                  = setOffsetToUTC;\n        proto.local                = setOffsetToLocal;\n        proto.parseZone            = setOffsetToParsedOffset;\n        proto.hasAlignedHourOffset = hasAlignedHourOffset;\n        proto.isDST                = isDaylightSavingTime;\n        proto.isLocal              = isLocal;\n        proto.isUtcOffset          = isUtcOffset;\n        proto.isUtc                = isUtc;\n        proto.isUTC                = isUtc;\n\n// Timezone\n        proto.zoneAbbr = getZoneAbbr;\n        proto.zoneName = getZoneName;\n\n// Deprecations\n        proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);\n        proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);\n        proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);\n        proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);\n        proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);\n\n        function createUnix (input) {\n            return createLocal(input * 1000);\n        }\n\n        function createInZone () {\n            return createLocal.apply(null, arguments).parseZone();\n        }\n\n        function preParsePostFormat (string) {\n            return string;\n        }\n\n        var proto$1 = Locale.prototype;\n\n        proto$1.calendar        = calendar;\n        proto$1.longDateFormat  = longDateFormat;\n        proto$1.invalidDate     = invalidDate;\n        proto$1.ordinal         = ordinal;\n        proto$1.preparse        = preParsePostFormat;\n        proto$1.postformat      = preParsePostFormat;\n        proto$1.relativeTime    = relativeTime;\n        proto$1.pastFuture      = pastFuture;\n        proto$1.set             = set;\n\n// Month\n        proto$1.months            =        localeMonths;\n        proto$1.monthsShort       =        localeMonthsShort;\n        proto$1.monthsParse       =        localeMonthsParse;\n        proto$1.monthsRegex       = monthsRegex;\n        proto$1.monthsShortRegex  = monthsShortRegex;\n\n// Week\n        proto$1.week = localeWeek;\n        proto$1.firstDayOfYear = localeFirstDayOfYear;\n        proto$1.firstDayOfWeek = localeFirstDayOfWeek;\n\n// Day of Week\n        proto$1.weekdays       =        localeWeekdays;\n        proto$1.weekdaysMin    =        localeWeekdaysMin;\n        proto$1.weekdaysShort  =        localeWeekdaysShort;\n        proto$1.weekdaysParse  =        localeWeekdaysParse;\n\n        proto$1.weekdaysRegex       =        weekdaysRegex;\n        proto$1.weekdaysShortRegex  =        weekdaysShortRegex;\n        proto$1.weekdaysMinRegex    =        weekdaysMinRegex;\n\n// Hours\n        proto$1.isPM = localeIsPM;\n        proto$1.meridiem = localeMeridiem;\n\n        function get$1 (format, index, field, setter) {\n            var locale = getLocale();\n            var utc = createUTC().set(setter, index);\n            return locale[field](utc, format);\n        }\n\n        function listMonthsImpl (format, index, field) {\n            if (isNumber(format)) {\n                index = format;\n                format = undefined;\n            }\n\n            format = format || '';\n\n            if (index != null) {\n                return get$1(format, index, field, 'month');\n            }\n\n            var i;\n            var out = [];\n            for (i = 0; i < 12; i++) {\n                out[i] = get$1(format, i, field, 'month');\n            }\n            return out;\n        }\n\n// ()\n// (5)\n// (fmt, 5)\n// (fmt)\n// (true)\n// (true, 5)\n// (true, fmt, 5)\n// (true, fmt)\n        function listWeekdaysImpl (localeSorted, format, index, field) {\n            if (typeof localeSorted === 'boolean') {\n                if (isNumber(format)) {\n                    index = format;\n                    format = undefined;\n                }\n\n                format = format || '';\n            } else {\n                format = localeSorted;\n                index = format;\n                localeSorted = false;\n\n                if (isNumber(format)) {\n                    index = format;\n                    format = undefined;\n                }\n\n                format = format || '';\n            }\n\n            var locale = getLocale(),\n                shift = localeSorted ? locale._week.dow : 0;\n\n            if (index != null) {\n                return get$1(format, (index + shift) % 7, field, 'day');\n            }\n\n            var i;\n            var out = [];\n            for (i = 0; i < 7; i++) {\n                out[i] = get$1(format, (i + shift) % 7, field, 'day');\n            }\n            return out;\n        }\n\n        function listMonths (format, index) {\n            return listMonthsImpl(format, index, 'months');\n        }\n\n        function listMonthsShort (format, index) {\n            return listMonthsImpl(format, index, 'monthsShort');\n        }\n\n        function listWeekdays (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdays');\n        }\n\n        function listWeekdaysShort (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');\n        }\n\n        function listWeekdaysMin (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');\n        }\n\n        getSetGlobalLocale('en', {\n            dayOfMonthOrdinalParse: /\\d{1,2}(th|st|nd|rd)/,\n            ordinal : function (number) {\n                var b = number % 10,\n                    output = (toInt(number % 100 / 10) === 1) ? 'th' :\n                        (b === 1) ? 'st' :\n                            (b === 2) ? 'nd' :\n                                (b === 3) ? 'rd' : 'th';\n                return number + output;\n            }\n        });\n\n// Side effect imports\n        hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);\n        hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);\n\n        var mathAbs = Math.abs;\n\n        function abs () {\n            var data           = this._data;\n\n            this._milliseconds = mathAbs(this._milliseconds);\n            this._days         = mathAbs(this._days);\n            this._months       = mathAbs(this._months);\n\n            data.milliseconds  = mathAbs(data.milliseconds);\n            data.seconds       = mathAbs(data.seconds);\n            data.minutes       = mathAbs(data.minutes);\n            data.hours         = mathAbs(data.hours);\n            data.months        = mathAbs(data.months);\n            data.years         = mathAbs(data.years);\n\n            return this;\n        }\n\n        function addSubtract$1 (duration, input, value, direction) {\n            var other = createDuration(input, value);\n\n            duration._milliseconds += direction * other._milliseconds;\n            duration._days         += direction * other._days;\n            duration._months       += direction * other._months;\n\n            return duration._bubble();\n        }\n\n// supports only 2.0-style add(1, 's') or add(duration)\n        function add$1 (input, value) {\n            return addSubtract$1(this, input, value, 1);\n        }\n\n// supports only 2.0-style subtract(1, 's') or subtract(duration)\n        function subtract$1 (input, value) {\n            return addSubtract$1(this, input, value, -1);\n        }\n\n        function absCeil (number) {\n            if (number < 0) {\n                return Math.floor(number);\n            } else {\n                return Math.ceil(number);\n            }\n        }\n\n        function bubble () {\n            var milliseconds = this._milliseconds;\n            var days         = this._days;\n            var months       = this._months;\n            var data         = this._data;\n            var seconds, minutes, hours, years, monthsFromDays;\n\n            // if we have a mix of positive and negative values, bubble down first\n            // check: https://github.com/moment/moment/issues/2166\n            if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||\n                (milliseconds <= 0 && days <= 0 && months <= 0))) {\n                milliseconds += absCeil(monthsToDays(months) + days) * 864e5;\n                days = 0;\n                months = 0;\n            }\n\n            // The following code bubbles up values, see the tests for\n            // examples of what that means.\n            data.milliseconds = milliseconds % 1000;\n\n            seconds           = absFloor(milliseconds / 1000);\n            data.seconds      = seconds % 60;\n\n            minutes           = absFloor(seconds / 60);\n            data.minutes      = minutes % 60;\n\n            hours             = absFloor(minutes / 60);\n            data.hours        = hours % 24;\n\n            days += absFloor(hours / 24);\n\n            // convert days to months\n            monthsFromDays = absFloor(daysToMonths(days));\n            months += monthsFromDays;\n            days -= absCeil(monthsToDays(monthsFromDays));\n\n            // 12 months -> 1 year\n            years = absFloor(months / 12);\n            months %= 12;\n\n            data.days   = days;\n            data.months = months;\n            data.years  = years;\n\n            return this;\n        }\n\n        function daysToMonths (days) {\n            // 400 years have 146097 days (taking into account leap year rules)\n            // 400 years have 12 months === 4800\n            return days * 4800 / 146097;\n        }\n\n        function monthsToDays (months) {\n            // the reverse of daysToMonths\n            return months * 146097 / 4800;\n        }\n\n        function as (units) {\n            if (!this.isValid()) {\n                return NaN;\n            }\n            var days;\n            var months;\n            var milliseconds = this._milliseconds;\n\n            units = normalizeUnits(units);\n\n            if (units === 'month' || units === 'year') {\n                days   = this._days   + milliseconds / 864e5;\n                months = this._months + daysToMonths(days);\n                return units === 'month' ? months : months / 12;\n            } else {\n                // handle milliseconds separately because of floating point math errors (issue #1867)\n                days = this._days + Math.round(monthsToDays(this._months));\n                switch (units) {\n                    case 'week'   : return days / 7     + milliseconds / 6048e5;\n                    case 'day'    : return days         + milliseconds / 864e5;\n                    case 'hour'   : return days * 24    + milliseconds / 36e5;\n                    case 'minute' : return days * 1440  + milliseconds / 6e4;\n                    case 'second' : return days * 86400 + milliseconds / 1000;\n                    // Math.floor prevents floating point math errors here\n                    case 'millisecond': return Math.floor(days * 864e5) + milliseconds;\n                    default: throw new Error('Unknown unit ' + units);\n                }\n            }\n        }\n\n// TODO: Use this.as('ms')?\n        function valueOf$1 () {\n            if (!this.isValid()) {\n                return NaN;\n            }\n            return (\n                this._milliseconds +\n                this._days * 864e5 +\n                (this._months % 12) * 2592e6 +\n                toInt(this._months / 12) * 31536e6\n            );\n        }\n\n        function makeAs (alias) {\n            return function () {\n                return this.as(alias);\n            };\n        }\n\n        var asMilliseconds = makeAs('ms');\n        var asSeconds      = makeAs('s');\n        var asMinutes      = makeAs('m');\n        var asHours        = makeAs('h');\n        var asDays         = makeAs('d');\n        var asWeeks        = makeAs('w');\n        var asMonths       = makeAs('M');\n        var asYears        = makeAs('y');\n\n        function get$2 (units) {\n            units = normalizeUnits(units);\n            return this.isValid() ? this[units + 's']() : NaN;\n        }\n\n        function makeGetter(name) {\n            return function () {\n                return this.isValid() ? this._data[name] : NaN;\n            };\n        }\n\n        var milliseconds = makeGetter('milliseconds');\n        var seconds      = makeGetter('seconds');\n        var minutes      = makeGetter('minutes');\n        var hours        = makeGetter('hours');\n        var days         = makeGetter('days');\n        var months       = makeGetter('months');\n        var years        = makeGetter('years');\n\n        function weeks () {\n            return absFloor(this.days() / 7);\n        }\n\n        var round = Math.round;\n        var thresholds = {\n            ss: 44,         // a few seconds to seconds\n            s : 45,         // seconds to minute\n            m : 45,         // minutes to hour\n            h : 22,         // hours to day\n            d : 26,         // days to month\n            M : 11          // months to year\n        };\n\n// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize\n        function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {\n            return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);\n        }\n\n        function relativeTime$1 (posNegDuration, withoutSuffix, locale) {\n            var duration = createDuration(posNegDuration).abs();\n            var seconds  = round(duration.as('s'));\n            var minutes  = round(duration.as('m'));\n            var hours    = round(duration.as('h'));\n            var days     = round(duration.as('d'));\n            var months   = round(duration.as('M'));\n            var years    = round(duration.as('y'));\n\n            var a = seconds <= thresholds.ss && ['s', seconds]  ||\n                seconds < thresholds.s   && ['ss', seconds] ||\n                minutes <= 1             && ['m']           ||\n                minutes < thresholds.m   && ['mm', minutes] ||\n                hours   <= 1             && ['h']           ||\n                hours   < thresholds.h   && ['hh', hours]   ||\n                days    <= 1             && ['d']           ||\n                days    < thresholds.d   && ['dd', days]    ||\n                months  <= 1             && ['M']           ||\n                months  < thresholds.M   && ['MM', months]  ||\n                years   <= 1             && ['y']           || ['yy', years];\n\n            a[2] = withoutSuffix;\n            a[3] = +posNegDuration > 0;\n            a[4] = locale;\n            return substituteTimeAgo.apply(null, a);\n        }\n\n// This function allows you to set the rounding function for relative time strings\n        function getSetRelativeTimeRounding (roundingFunction) {\n            if (roundingFunction === undefined) {\n                return round;\n            }\n            if (typeof(roundingFunction) === 'function') {\n                round = roundingFunction;\n                return true;\n            }\n            return false;\n        }\n\n// This function allows you to set a threshold for relative time strings\n        function getSetRelativeTimeThreshold (threshold, limit) {\n            if (thresholds[threshold] === undefined) {\n                return false;\n            }\n            if (limit === undefined) {\n                return thresholds[threshold];\n            }\n            thresholds[threshold] = limit;\n            if (threshold === 's') {\n                thresholds.ss = limit - 1;\n            }\n            return true;\n        }\n\n        function humanize (withSuffix) {\n            if (!this.isValid()) {\n                return this.localeData().invalidDate();\n            }\n\n            var locale = this.localeData();\n            var output = relativeTime$1(this, !withSuffix, locale);\n\n            if (withSuffix) {\n                output = locale.pastFuture(+this, output);\n            }\n\n            return locale.postformat(output);\n        }\n\n        var abs$1 = Math.abs;\n\n        function toISOString$1() {\n            // for ISO strings we do not use the normal bubbling rules:\n            //  * milliseconds bubble up until they become hours\n            //  * days do not bubble at all\n            //  * months bubble up until they become years\n            // This is because there is no context-free conversion between hours and days\n            // (think of clock changes)\n            // and also not between days and months (28-31 days per month)\n            if (!this.isValid()) {\n                return this.localeData().invalidDate();\n            }\n\n            var seconds = abs$1(this._milliseconds) / 1000;\n            var days         = abs$1(this._days);\n            var months       = abs$1(this._months);\n            var minutes, hours, years;\n\n            // 3600 seconds -> 60 minutes -> 1 hour\n            minutes           = absFloor(seconds / 60);\n            hours             = absFloor(minutes / 60);\n            seconds %= 60;\n            minutes %= 60;\n\n            // 12 months -> 1 year\n            years  = absFloor(months / 12);\n            months %= 12;\n\n\n            // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js\n            var Y = years;\n            var M = months;\n            var D = days;\n            var h = hours;\n            var m = minutes;\n            var s = seconds;\n            var total = this.asSeconds();\n\n            if (!total) {\n                // this is the same as C#'s (Noda) and python (isodate)...\n                // but not other JS (goog.date)\n                return 'P0D';\n            }\n\n            return (total < 0 ? '-' : '') +\n                'P' +\n                (Y ? Y + 'Y' : '') +\n                (M ? M + 'M' : '') +\n                (D ? D + 'D' : '') +\n                ((h || m || s) ? 'T' : '') +\n                (h ? h + 'H' : '') +\n                (m ? m + 'M' : '') +\n                (s ? s + 'S' : '');\n        }\n\n        var proto$2 = Duration.prototype;\n\n        proto$2.isValid        = isValid$1;\n        proto$2.abs            = abs;\n        proto$2.add            = add$1;\n        proto$2.subtract       = subtract$1;\n        proto$2.as             = as;\n        proto$2.asMilliseconds = asMilliseconds;\n        proto$2.asSeconds      = asSeconds;\n        proto$2.asMinutes      = asMinutes;\n        proto$2.asHours        = asHours;\n        proto$2.asDays         = asDays;\n        proto$2.asWeeks        = asWeeks;\n        proto$2.asMonths       = asMonths;\n        proto$2.asYears        = asYears;\n        proto$2.valueOf        = valueOf$1;\n        proto$2._bubble        = bubble;\n        proto$2.get            = get$2;\n        proto$2.milliseconds   = milliseconds;\n        proto$2.seconds        = seconds;\n        proto$2.minutes        = minutes;\n        proto$2.hours          = hours;\n        proto$2.days           = days;\n        proto$2.weeks          = weeks;\n        proto$2.months         = months;\n        proto$2.years          = years;\n        proto$2.humanize       = humanize;\n        proto$2.toISOString    = toISOString$1;\n        proto$2.toString       = toISOString$1;\n        proto$2.toJSON         = toISOString$1;\n        proto$2.locale         = locale;\n        proto$2.localeData     = localeData;\n\n// Deprecations\n        proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);\n        proto$2.lang = lang;\n\n// Side effect imports\n\n// FORMATTING\n\n        addFormatToken('X', 0, 0, 'unix');\n        addFormatToken('x', 0, 0, 'valueOf');\n\n// PARSING\n\n        addRegexToken('x', matchSigned);\n        addRegexToken('X', matchTimestamp);\n        addParseToken('X', function (input, array, config) {\n            config._d = new Date(parseFloat(input, 10) * 1000);\n        });\n        addParseToken('x', function (input, array, config) {\n            config._d = new Date(toInt(input));\n        });\n\n// Side effect imports\n\n\n        hooks.version = '2.18.1';\n\n        setHookCallback(createLocal);\n\n        hooks.fn                    = proto;\n        hooks.min                   = min;\n        hooks.max                   = max;\n        hooks.now                   = now;\n        hooks.utc                   = createUTC;\n        hooks.unix                  = createUnix;\n        hooks.months                = listMonths;\n        hooks.isDate                = isDate;\n        hooks.locale                = getSetGlobalLocale;\n        hooks.invalid               = createInvalid;\n        hooks.duration              = createDuration;\n        hooks.isMoment              = isMoment;\n        hooks.weekdays              = listWeekdays;\n        hooks.parseZone             = createInZone;\n        hooks.localeData            = getLocale;\n        hooks.isDuration            = isDuration;\n        hooks.monthsShort           = listMonthsShort;\n        hooks.weekdaysMin           = listWeekdaysMin;\n        hooks.defineLocale          = defineLocale;\n        hooks.updateLocale          = updateLocale;\n        hooks.locales               = listLocales;\n        hooks.weekdaysShort         = listWeekdaysShort;\n        hooks.normalizeUnits        = normalizeUnits;\n        hooks.relativeTimeRounding = getSetRelativeTimeRounding;\n        hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;\n        hooks.calendarFormat        = getCalendarFormat;\n        hooks.prototype             = proto;\n\n        return hooks;\n\n    })));\n\n},{}],7:[function(require,module,exports){\n    /**\n     * @namespace Chart\n     */\n    var Chart = require(29)();\n\n    Chart.helpers = require(45);\n\n// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!\n    require(27)(Chart);\n\n    Chart.defaults = require(25);\n    Chart.Element = require(26);\n    Chart.elements = require(40);\n    Chart.Interaction = require(28);\n    Chart.platform = require(48);\n\n    require(31)(Chart);\n    require(22)(Chart);\n    require(23)(Chart);\n    require(24)(Chart);\n    require(30)(Chart);\n    require(33)(Chart);\n    require(32)(Chart);\n    require(35)(Chart);\n\n    require(54)(Chart);\n    require(52)(Chart);\n    require(53)(Chart);\n    require(55)(Chart);\n    require(56)(Chart);\n    require(57)(Chart);\n\n// Controllers must be loaded after elements\n// See Chart.core.datasetController.dataElementType\n    require(15)(Chart);\n    require(16)(Chart);\n    require(17)(Chart);\n    require(18)(Chart);\n    require(19)(Chart);\n    require(20)(Chart);\n    require(21)(Chart);\n\n    require(8)(Chart);\n    require(9)(Chart);\n    require(10)(Chart);\n    require(11)(Chart);\n    require(12)(Chart);\n    require(13)(Chart);\n    require(14)(Chart);\n\n// Loading built-it plugins\n    var plugins = [];\n\n    plugins.push(\n        require(49)(Chart),\n        require(50)(Chart),\n        require(51)(Chart)\n    );\n\n    Chart.plugins.register(plugins);\n\n    Chart.platform.initialize();\n\n    module.exports = Chart;\n    if (typeof window !== 'undefined') {\n        window.Chart = Chart;\n    }\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas instead.\n     * @namespace Chart.canvasHelpers\n     * @deprecated since version 2.6.0\n     * @todo remove at version 3\n     * @private\n     */\n    Chart.canvasHelpers = Chart.helpers.canvas;\n\n},{\"10\":10,\"11\":11,\"12\":12,\"13\":13,\"14\":14,\"15\":15,\"16\":16,\"17\":17,\"18\":18,\"19\":19,\"20\":20,\"21\":21,\"22\":22,\"23\":23,\"24\":24,\"25\":25,\"26\":26,\"27\":27,\"28\":28,\"29\":29,\"30\":30,\"31\":31,\"32\":32,\"33\":33,\"35\":35,\"40\":40,\"45\":45,\"48\":48,\"49\":49,\"50\":50,\"51\":51,\"52\":52,\"53\":53,\"54\":54,\"55\":55,\"56\":56,\"57\":57,\"8\":8,\"9\":9}],8:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Bar = function(context, config) {\n            config.type = 'bar';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],9:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Bubble = function(context, config) {\n            config.type = 'bubble';\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],10:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Doughnut = function(context, config) {\n            config.type = 'doughnut';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],11:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Line = function(context, config) {\n            config.type = 'line';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],12:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.PolarArea = function(context, config) {\n            config.type = 'polarArea';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],13:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Radar = function(context, config) {\n            config.type = 'radar';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],14:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n        Chart.Scatter = function(context, config) {\n            config.type = 'scatter';\n            return new Chart(context, config);\n        };\n    };\n\n},{}],15:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('bar', {\n        hover: {\n            mode: 'label'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'category',\n\n                // Specific to Bar Controller\n                categoryPercentage: 0.8,\n                barPercentage: 0.9,\n\n                // offset settings\n                offset: true,\n\n                // grid line settings\n                gridLines: {\n                    offsetGridLines: true\n                }\n            }],\n\n            yAxes: [{\n                type: 'linear'\n            }]\n        }\n    });\n\n    defaults._set('horizontalBar', {\n        hover: {\n            mode: 'index',\n            axis: 'y'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'linear',\n                position: 'bottom'\n            }],\n\n            yAxes: [{\n                position: 'left',\n                type: 'category',\n\n                // Specific to Horizontal Bar Controller\n                categoryPercentage: 0.8,\n                barPercentage: 0.9,\n\n                // offset settings\n                offset: true,\n\n                // grid line settings\n                gridLines: {\n                    offsetGridLines: true\n                }\n            }]\n        },\n\n        elements: {\n            rectangle: {\n                borderSkipped: 'left'\n            }\n        },\n\n        tooltips: {\n            callbacks: {\n                title: function(item, data) {\n                    // Pick first xLabel for now\n                    var title = '';\n\n                    if (item.length > 0) {\n                        if (item[0].yLabel) {\n                            title = item[0].yLabel;\n                        } else if (data.labels.length > 0 && item[0].index < data.labels.length) {\n                            title = data.labels[item[0].index];\n                        }\n                    }\n\n                    return title;\n                },\n\n                label: function(item, data) {\n                    var datasetLabel = data.datasets[item.datasetIndex].label || '';\n                    return datasetLabel + ': ' + item.xLabel;\n                }\n            },\n            mode: 'index',\n            axis: 'y'\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.bar = Chart.DatasetController.extend({\n\n            dataElementType: elements.Rectangle,\n\n            initialize: function() {\n                var me = this;\n                var meta;\n\n                Chart.DatasetController.prototype.initialize.apply(me, arguments);\n\n                meta = me.getMeta();\n                meta.stack = me.getDataset().stack;\n                meta.bar = true;\n            },\n\n            update: function(reset) {\n                var me = this;\n                var rects = me.getMeta().data;\n                var i, ilen;\n\n                me._ruler = me.getRuler();\n\n                for (i = 0, ilen = rects.length; i < ilen; ++i) {\n                    me.updateElement(rects[i], i, reset);\n                }\n            },\n\n            updateElement: function(rectangle, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var dataset = me.getDataset();\n                var custom = rectangle.custom || {};\n                var rectangleOptions = chart.options.elements.rectangle;\n\n                rectangle._xScale = me.getScaleForId(meta.xAxisID);\n                rectangle._yScale = me.getScaleForId(meta.yAxisID);\n                rectangle._datasetIndex = me.index;\n                rectangle._index = index;\n\n                rectangle._model = {\n                    datasetLabel: dataset.label,\n                    label: chart.data.labels[index],\n                    borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped,\n                    backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor),\n                    borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor),\n                    borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth)\n                };\n\n                me.updateElementGeometry(rectangle, index, reset);\n\n                rectangle.pivot();\n            },\n\n            /**\n             * @private\n             */\n            updateElementGeometry: function(rectangle, index, reset) {\n                var me = this;\n                var model = rectangle._model;\n                var vscale = me.getValueScale();\n                var base = vscale.getBasePixel();\n                var horizontal = vscale.isHorizontal();\n                var ruler = me._ruler || me.getRuler();\n                var vpixels = me.calculateBarValuePixels(me.index, index);\n                var ipixels = me.calculateBarIndexPixels(me.index, index, ruler);\n\n                model.horizontal = horizontal;\n                model.base = reset ? base : vpixels.base;\n                model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;\n                model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;\n                model.height = horizontal ? ipixels.size : undefined;\n                model.width = horizontal ? undefined : ipixels.size;\n            },\n\n            /**\n             * @private\n             */\n            getValueScaleId: function() {\n                return this.getMeta().yAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getIndexScaleId: function() {\n                return this.getMeta().xAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getValueScale: function() {\n                return this.getScaleForId(this.getValueScaleId());\n            },\n\n            /**\n             * @private\n             */\n            getIndexScale: function() {\n                return this.getScaleForId(this.getIndexScaleId());\n            },\n\n            /**\n             * Returns the effective number of stacks based on groups and bar visibility.\n             * @private\n             */\n            getStackCount: function(last) {\n                var me = this;\n                var chart = me.chart;\n                var scale = me.getIndexScale();\n                var stacked = scale.options.stacked;\n                var ilen = last === undefined ? chart.data.datasets.length : last + 1;\n                var stacks = [];\n                var i, meta;\n\n                for (i = 0; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    if (meta.bar && chart.isDatasetVisible(i) &&\n                        (stacked === false ||\n                        (stacked === true && stacks.indexOf(meta.stack) === -1) ||\n                        (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) {\n                        stacks.push(meta.stack);\n                    }\n                }\n\n                return stacks.length;\n            },\n\n            /**\n             * Returns the stack index for the given dataset based on groups and bar visibility.\n             * @private\n             */\n            getStackIndex: function(datasetIndex) {\n                return this.getStackCount(datasetIndex) - 1;\n            },\n\n            /**\n             * @private\n             */\n            getRuler: function() {\n                var me = this;\n                var scale = me.getIndexScale();\n                var stackCount = me.getStackCount();\n                var datasetIndex = me.index;\n                var pixels = [];\n                var isHorizontal = scale.isHorizontal();\n                var start = isHorizontal ? scale.left : scale.top;\n                var end = start + (isHorizontal ? scale.width : scale.height);\n                var i, ilen;\n\n                for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {\n                    pixels.push(scale.getPixelForValue(null, i, datasetIndex));\n                }\n\n                return {\n                    pixels: pixels,\n                    start: start,\n                    end: end,\n                    stackCount: stackCount,\n                    scale: scale\n                };\n            },\n\n            /**\n             * Note: pixel values are not clamped to the scale area.\n             * @private\n             */\n            calculateBarValuePixels: function(datasetIndex, index) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var scale = me.getValueScale();\n                var datasets = chart.data.datasets;\n                var value = scale.getRightValue(datasets[datasetIndex].data[index]);\n                var stacked = scale.options.stacked;\n                var stack = meta.stack;\n                var start = 0;\n                var i, imeta, ivalue, base, head, size;\n\n                if (stacked || (stacked === undefined && stack !== undefined)) {\n                    for (i = 0; i < datasetIndex; ++i) {\n                        imeta = chart.getDatasetMeta(i);\n\n                        if (imeta.bar &&\n                            imeta.stack === stack &&\n                            imeta.controller.getValueScaleId() === scale.id &&\n                            chart.isDatasetVisible(i)) {\n\n                            ivalue = scale.getRightValue(datasets[i].data[index]);\n                            if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) {\n                                start += ivalue;\n                            }\n                        }\n                    }\n                }\n\n                base = scale.getPixelForValue(start);\n                head = scale.getPixelForValue(start + value);\n                size = (head - base) / 2;\n\n                return {\n                    size: size,\n                    base: base,\n                    head: head,\n                    center: head + size / 2\n                };\n            },\n\n            /**\n             * @private\n             */\n            calculateBarIndexPixels: function(datasetIndex, index, ruler) {\n                var me = this;\n                var options = ruler.scale.options;\n                var stackIndex = me.getStackIndex(datasetIndex);\n                var pixels = ruler.pixels;\n                var base = pixels[index];\n                var length = pixels.length;\n                var start = ruler.start;\n                var end = ruler.end;\n                var leftSampleSize, rightSampleSize, leftCategorySize, rightCategorySize, fullBarSize, size;\n\n                if (length === 1) {\n                    leftSampleSize = base > start ? base - start : end - base;\n                    rightSampleSize = base < end ? end - base : base - start;\n                } else {\n                    if (index > 0) {\n                        leftSampleSize = (base - pixels[index - 1]) / 2;\n                        if (index === length - 1) {\n                            rightSampleSize = leftSampleSize;\n                        }\n                    }\n                    if (index < length - 1) {\n                        rightSampleSize = (pixels[index + 1] - base) / 2;\n                        if (index === 0) {\n                            leftSampleSize = rightSampleSize;\n                        }\n                    }\n                }\n\n                leftCategorySize = leftSampleSize * options.categoryPercentage;\n                rightCategorySize = rightSampleSize * options.categoryPercentage;\n                fullBarSize = (leftCategorySize + rightCategorySize) / ruler.stackCount;\n                size = fullBarSize * options.barPercentage;\n\n                size = Math.min(\n                    helpers.valueOrDefault(options.barThickness, size),\n                    helpers.valueOrDefault(options.maxBarThickness, Infinity));\n\n                base -= leftCategorySize;\n                base += fullBarSize * stackIndex;\n                base += (fullBarSize - size) / 2;\n\n                return {\n                    size: size,\n                    base: base,\n                    head: base + size,\n                    center: base + size / 2\n                };\n            },\n\n            draw: function() {\n                var me = this;\n                var chart = me.chart;\n                var scale = me.getValueScale();\n                var rects = me.getMeta().data;\n                var dataset = me.getDataset();\n                var ilen = rects.length;\n                var i = 0;\n\n                helpers.canvas.clipArea(chart.ctx, chart.chartArea);\n\n                for (; i < ilen; ++i) {\n                    if (!isNaN(scale.getRightValue(dataset.data[i]))) {\n                        rects[i].draw();\n                    }\n                }\n\n                helpers.canvas.unclipArea(chart.ctx);\n            },\n\n            setHoverStyle: function(rectangle) {\n                var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n                var index = rectangle._index;\n                var custom = rectangle.custom || {};\n                var model = rectangle._model;\n\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(rectangle) {\n                var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n                var index = rectangle._index;\n                var custom = rectangle.custom || {};\n                var model = rectangle._model;\n                var rectangleElementOptions = this.chart.options.elements.rectangle;\n\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth);\n            }\n        });\n\n        Chart.controllers.horizontalBar = Chart.controllers.bar.extend({\n            /**\n             * @private\n             */\n            getValueScaleId: function() {\n                return this.getMeta().xAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getIndexScaleId: function() {\n                return this.getMeta().yAxisID;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],16:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('bubble', {\n        hover: {\n            mode: 'single'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'linear', // bubble should probably use a linear scale by default\n                position: 'bottom',\n                id: 'x-axis-0' // need an ID so datasets can reference the scale\n            }],\n            yAxes: [{\n                type: 'linear',\n                position: 'left',\n                id: 'y-axis-0'\n            }]\n        },\n\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    // Title doesn't make sense for scatter since we format the data as a point\n                    return '';\n                },\n                label: function(item, data) {\n                    var datasetLabel = data.datasets[item.datasetIndex].label || '';\n                    var dataPoint = data.datasets[item.datasetIndex].data[item.index];\n                    return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';\n                }\n            }\n        }\n    });\n\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.bubble = Chart.DatasetController.extend({\n            /**\n             * @protected\n             */\n            dataElementType: elements.Point,\n\n            /**\n             * @protected\n             */\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var points = meta.data;\n\n                // Update Points\n                helpers.each(points, function(point, index) {\n                    me.updateElement(point, index, reset);\n                });\n            },\n\n            /**\n             * @protected\n             */\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var custom = point.custom || {};\n                var xScale = me.getScaleForId(meta.xAxisID);\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var options = me._resolveElementOptions(point, index);\n                var data = me.getDataset().data[index];\n                var dsIndex = me.index;\n\n                var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);\n                var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);\n\n                point._xScale = xScale;\n                point._yScale = yScale;\n                point._options = options;\n                point._datasetIndex = dsIndex;\n                point._index = index;\n                point._model = {\n                    backgroundColor: options.backgroundColor,\n                    borderColor: options.borderColor,\n                    borderWidth: options.borderWidth,\n                    hitRadius: options.hitRadius,\n                    pointStyle: options.pointStyle,\n                    radius: reset ? 0 : options.radius,\n                    skip: custom.skip || isNaN(x) || isNaN(y),\n                    x: x,\n                    y: y,\n                };\n\n                point.pivot();\n            },\n\n            /**\n             * @protected\n             */\n            setHoverStyle: function(point) {\n                var model = point._model;\n                var options = point._options;\n\n                model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor));\n                model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor));\n                model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth);\n                model.radius = options.radius + options.hoverRadius;\n            },\n\n            /**\n             * @protected\n             */\n            removeHoverStyle: function(point) {\n                var model = point._model;\n                var options = point._options;\n\n                model.backgroundColor = options.backgroundColor;\n                model.borderColor = options.borderColor;\n                model.borderWidth = options.borderWidth;\n                model.radius = options.radius;\n            },\n\n            /**\n             * @private\n             */\n            _resolveElementOptions: function(point, index) {\n                var me = this;\n                var chart = me.chart;\n                var datasets = chart.data.datasets;\n                var dataset = datasets[me.index];\n                var custom = point.custom || {};\n                var options = chart.options.elements.point;\n                var resolve = helpers.options.resolve;\n                var data = dataset.data[index];\n                var values = {};\n                var i, ilen, key;\n\n                // Scriptable options\n                var context = {\n                    chart: chart,\n                    dataIndex: index,\n                    dataset: dataset,\n                    datasetIndex: me.index\n                };\n\n                var keys = [\n                    'backgroundColor',\n                    'borderColor',\n                    'borderWidth',\n                    'hoverBackgroundColor',\n                    'hoverBorderColor',\n                    'hoverBorderWidth',\n                    'hoverRadius',\n                    'hitRadius',\n                    'pointStyle'\n                ];\n\n                for (i = 0, ilen = keys.length; i < ilen; ++i) {\n                    key = keys[i];\n                    values[key] = resolve([\n                        custom[key],\n                        dataset[key],\n                        options[key]\n                    ], context, index);\n                }\n\n                // Custom radius resolution\n                values.radius = resolve([\n                    custom.radius,\n                    data ? data.r : undefined,\n                    dataset.radius,\n                    options.radius\n                ], context, index);\n\n                return values;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],17:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('doughnut', {\n        animation: {\n            // Boolean - Whether we animate the rotation of the Doughnut\n            animateRotate: true,\n            // Boolean - Whether we animate scaling the Doughnut from the centre\n            animateScale: false\n        },\n        hover: {\n            mode: 'single'\n        },\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n\n            var data = chart.data;\n            var datasets = data.datasets;\n            var labels = data.labels;\n\n            if (datasets.length) {\n                for (var i = 0; i < datasets[0].data.length; ++i) {\n                    text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n                    if (labels[i]) {\n                        text.push(labels[i]);\n                    }\n                    text.push('</li>');\n                }\n            }\n\n            text.push('</ul>');\n            return text.join('');\n        },\n        legend: {\n            labels: {\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    if (data.labels.length && data.datasets.length) {\n                        return data.labels.map(function(label, i) {\n                            var meta = chart.getDatasetMeta(0);\n                            var ds = data.datasets[0];\n                            var arc = meta.data[i];\n                            var custom = arc && arc.custom || {};\n                            var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n                            var arcOpts = chart.options.elements.arc;\n                            var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n                            var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n                            var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n                            return {\n                                text: label,\n                                fillStyle: fill,\n                                strokeStyle: stroke,\n                                lineWidth: bw,\n                                hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n                                // Extra data used for toggling the correct item\n                                index: i\n                            };\n                        });\n                    }\n                    return [];\n                }\n            },\n\n            onClick: function(e, legendItem) {\n                var index = legendItem.index;\n                var chart = this.chart;\n                var i, ilen, meta;\n\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    // toggle visibility of index if exists\n                    if (meta.data[index]) {\n                        meta.data[index].hidden = !meta.data[index].hidden;\n                    }\n                }\n\n                chart.update();\n            }\n        },\n\n        // The percentage of the chart that we cut out of the middle.\n        cutoutPercentage: 50,\n\n        // The rotation of the chart, where the first data arc begins.\n        rotation: Math.PI * -0.5,\n\n        // The total circumference of the chart.\n        circumference: Math.PI * 2.0,\n\n        // Need to override these to give a nice default\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';\n                },\n                label: function(tooltipItem, data) {\n                    var dataLabel = data.labels[tooltipItem.index];\n                    var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];\n\n                    if (helpers.isArray(dataLabel)) {\n                        // show value on first line of multiline label\n                        // need to clone because we are changing the value\n                        dataLabel = dataLabel.slice();\n                        dataLabel[0] += value;\n                    } else {\n                        dataLabel += value;\n                    }\n\n                    return dataLabel;\n                }\n            }\n        }\n    });\n\n    defaults._set('pie', helpers.clone(defaults.doughnut));\n    defaults._set('pie', {\n        cutoutPercentage: 0\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({\n\n            dataElementType: elements.Arc,\n\n            linkScales: helpers.noop,\n\n            // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly\n            getRingIndex: function(datasetIndex) {\n                var ringIndex = 0;\n\n                for (var j = 0; j < datasetIndex; ++j) {\n                    if (this.chart.isDatasetVisible(j)) {\n                        ++ringIndex;\n                    }\n                }\n\n                return ringIndex;\n            },\n\n            update: function(reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var opts = chart.options;\n                var arcOpts = opts.elements.arc;\n                var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth;\n                var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth;\n                var minSize = Math.min(availableWidth, availableHeight);\n                var offset = {x: 0, y: 0};\n                var meta = me.getMeta();\n                var cutoutPercentage = opts.cutoutPercentage;\n                var circumference = opts.circumference;\n\n                // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc\n                if (circumference < Math.PI * 2.0) {\n                    var startAngle = opts.rotation % (Math.PI * 2.0);\n                    startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0);\n                    var endAngle = startAngle + circumference;\n                    var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)};\n                    var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)};\n                    var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle);\n                    var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle);\n                    var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle);\n                    var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle);\n                    var cutout = cutoutPercentage / 100.0;\n                    var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))};\n                    var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))};\n                    var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5};\n                    minSize = Math.min(availableWidth / size.width, availableHeight / size.height);\n                    offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5};\n                }\n\n                chart.borderWidth = me.getMaxBorderWidth(meta.data);\n                chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0);\n                chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0);\n                chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n                chart.offsetX = offset.x * chart.outerRadius;\n                chart.offsetY = offset.y * chart.outerRadius;\n\n                meta.total = me.calculateTotal();\n\n                me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index));\n                me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0);\n\n                helpers.each(meta.data, function(arc, index) {\n                    me.updateElement(arc, index, reset);\n                });\n            },\n\n            updateElement: function(arc, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var opts = chart.options;\n                var animationOpts = opts.animation;\n                var centerX = (chartArea.left + chartArea.right) / 2;\n                var centerY = (chartArea.top + chartArea.bottom) / 2;\n                var startAngle = opts.rotation; // non reset case handled later\n                var endAngle = opts.rotation; // non reset case handled later\n                var dataset = me.getDataset();\n                var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI));\n                var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;\n                var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;\n                var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n                helpers.extend(arc, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n\n                    // Desired view properties\n                    _model: {\n                        x: centerX + chart.offsetX,\n                        y: centerY + chart.offsetY,\n                        startAngle: startAngle,\n                        endAngle: endAngle,\n                        circumference: circumference,\n                        outerRadius: outerRadius,\n                        innerRadius: innerRadius,\n                        label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])\n                    }\n                });\n\n                var model = arc._model;\n                // Resets the visual styles\n                this.removeHoverStyle(arc);\n\n                // Set correct angles if not resetting\n                if (!reset || !animationOpts.animateRotate) {\n                    if (index === 0) {\n                        model.startAngle = opts.rotation;\n                    } else {\n                        model.startAngle = me.getMeta().data[index - 1]._model.endAngle;\n                    }\n\n                    model.endAngle = model.startAngle + model.circumference;\n                }\n\n                arc.pivot();\n            },\n\n            removeHoverStyle: function(arc) {\n                Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n            },\n\n            calculateTotal: function() {\n                var dataset = this.getDataset();\n                var meta = this.getMeta();\n                var total = 0;\n                var value;\n\n                helpers.each(meta.data, function(element, index) {\n                    value = dataset.data[index];\n                    if (!isNaN(value) && !element.hidden) {\n                        total += Math.abs(value);\n                    }\n                });\n\n\t\t\t\t/* if (total === 0) {\n\t\t\t\t total = NaN;\n\t\t\t\t }*/\n\n                return total;\n            },\n\n            calculateCircumference: function(value) {\n                var total = this.getMeta().total;\n                if (total > 0 && !isNaN(value)) {\n                    return (Math.PI * 2.0) * (value / total);\n                }\n                return 0;\n            },\n\n            // gets the max border or hover width to properly scale pie charts\n            getMaxBorderWidth: function(arcs) {\n                var max = 0;\n                var index = this.index;\n                var length = arcs.length;\n                var borderWidth;\n                var hoverWidth;\n\n                for (var i = 0; i < length; i++) {\n                    borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0;\n                    hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0;\n\n                    max = borderWidth > max ? borderWidth : max;\n                    max = hoverWidth > max ? hoverWidth : max;\n                }\n                return max;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],18:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('line', {\n        showLines: true,\n        spanGaps: false,\n\n        hover: {\n            mode: 'label'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'category',\n                id: 'x-axis-0'\n            }],\n            yAxes: [{\n                type: 'linear',\n                id: 'y-axis-0'\n            }]\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        function lineEnabled(dataset, options) {\n            return helpers.valueOrDefault(dataset.showLine, options.showLines);\n        }\n\n        Chart.controllers.line = Chart.DatasetController.extend({\n\n            datasetElementType: elements.Line,\n\n            dataElementType: elements.Point,\n\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var line = meta.dataset;\n                var points = meta.data || [];\n                var options = me.chart.options;\n                var lineElementOptions = options.elements.line;\n                var scale = me.getScaleForId(meta.yAxisID);\n                var i, ilen, custom;\n                var dataset = me.getDataset();\n                var showLine = lineEnabled(dataset, options);\n\n                // Update Line\n                if (showLine) {\n                    custom = line.custom || {};\n\n                    // Compatibility: If the properties are defined with only the old name, use those values\n                    if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n                        dataset.lineTension = dataset.tension;\n                    }\n\n                    // Utility\n                    line._scale = scale;\n                    line._datasetIndex = me.index;\n                    // Data\n                    line._children = points;\n                    // Model\n                    line._model = {\n                        // Appearance\n                        // The default behavior of lines is to break at null values, according\n                        // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158\n                        // This option gives lines the ability to span gaps\n                        spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps,\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n                        borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n                        borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n                        borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n                        borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n                        borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n                        fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n                        steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped),\n                        cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode),\n                    };\n\n                    line.pivot();\n                }\n\n                // Update Points\n                for (i = 0, ilen = points.length; i < ilen; ++i) {\n                    me.updateElement(points[i], i, reset);\n                }\n\n                if (showLine && line._model.tension !== 0) {\n                    me.updateBezierControlPoints();\n                }\n\n                // Now pivot the point for animation\n                for (i = 0, ilen = points.length; i < ilen; ++i) {\n                    points[i].pivot();\n                }\n            },\n\n            getPointBackgroundColor: function(point, index) {\n                var backgroundColor = this.chart.options.elements.point.backgroundColor;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (custom.backgroundColor) {\n                    backgroundColor = custom.backgroundColor;\n                } else if (dataset.pointBackgroundColor) {\n                    backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);\n                } else if (dataset.backgroundColor) {\n                    backgroundColor = dataset.backgroundColor;\n                }\n\n                return backgroundColor;\n            },\n\n            getPointBorderColor: function(point, index) {\n                var borderColor = this.chart.options.elements.point.borderColor;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (custom.borderColor) {\n                    borderColor = custom.borderColor;\n                } else if (dataset.pointBorderColor) {\n                    borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor);\n                } else if (dataset.borderColor) {\n                    borderColor = dataset.borderColor;\n                }\n\n                return borderColor;\n            },\n\n            getPointBorderWidth: function(point, index) {\n                var borderWidth = this.chart.options.elements.point.borderWidth;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (!isNaN(custom.borderWidth)) {\n                    borderWidth = custom.borderWidth;\n                } else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) {\n                    borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);\n                } else if (!isNaN(dataset.borderWidth)) {\n                    borderWidth = dataset.borderWidth;\n                }\n\n                return borderWidth;\n            },\n\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var custom = point.custom || {};\n                var dataset = me.getDataset();\n                var datasetIndex = me.index;\n                var value = dataset.data[index];\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var xScale = me.getScaleForId(meta.xAxisID);\n                var pointOptions = me.chart.options.elements.point;\n                var x, y;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n                if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n                    dataset.pointHitRadius = dataset.hitRadius;\n                }\n\n                x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);\n                y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);\n\n                // Utility\n                point._xScale = xScale;\n                point._yScale = yScale;\n                point._datasetIndex = datasetIndex;\n                point._index = index;\n\n                // Desired view properties\n                point._model = {\n                    x: x,\n                    y: y,\n                    skip: custom.skip || isNaN(x) || isNaN(y),\n                    // Appearance\n                    radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius),\n                    pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle),\n                    backgroundColor: me.getPointBackgroundColor(point, index),\n                    borderColor: me.getPointBorderColor(point, index),\n                    borderWidth: me.getPointBorderWidth(point, index),\n                    tension: meta.dataset._model ? meta.dataset._model.tension : 0,\n                    steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false,\n                    // Tooltip\n                    hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius)\n                };\n            },\n\n            calculatePointY: function(value, index, datasetIndex) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var sumPos = 0;\n                var sumNeg = 0;\n                var i, ds, dsMeta;\n\n                if (yScale.options.stacked) {\n                    for (i = 0; i < datasetIndex; i++) {\n                        ds = chart.data.datasets[i];\n                        dsMeta = chart.getDatasetMeta(i);\n                        if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) {\n                            var stackedRightValue = Number(yScale.getRightValue(ds.data[index]));\n                            if (stackedRightValue < 0) {\n                                sumNeg += stackedRightValue || 0;\n                            } else {\n                                sumPos += stackedRightValue || 0;\n                            }\n                        }\n                    }\n\n                    var rightValue = Number(yScale.getRightValue(value));\n                    if (rightValue < 0) {\n                        return yScale.getPixelForValue(sumNeg + rightValue);\n                    }\n                    return yScale.getPixelForValue(sumPos + rightValue);\n                }\n\n                return yScale.getPixelForValue(value);\n            },\n\n            updateBezierControlPoints: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var area = me.chart.chartArea;\n                var points = (meta.data || []);\n                var i, ilen, point, model, controlPoints;\n\n                // Only consider points that are drawn in case the spanGaps option is used\n                if (meta.dataset._model.spanGaps) {\n                    points = points.filter(function(pt) {\n                        return !pt._model.skip;\n                    });\n                }\n\n                function capControlPoint(pt, min, max) {\n                    return Math.max(Math.min(pt, max), min);\n                }\n\n                if (meta.dataset._model.cubicInterpolationMode === 'monotone') {\n                    helpers.splineCurveMonotone(points);\n                } else {\n                    for (i = 0, ilen = points.length; i < ilen; ++i) {\n                        point = points[i];\n                        model = point._model;\n                        controlPoints = helpers.splineCurve(\n                            helpers.previousItem(points, i)._model,\n                            model,\n                            helpers.nextItem(points, i)._model,\n                            meta.dataset._model.tension\n                        );\n                        model.controlPointPreviousX = controlPoints.previous.x;\n                        model.controlPointPreviousY = controlPoints.previous.y;\n                        model.controlPointNextX = controlPoints.next.x;\n                        model.controlPointNextY = controlPoints.next.y;\n                    }\n                }\n\n                if (me.chart.options.elements.line.capBezierPoints) {\n                    for (i = 0, ilen = points.length; i < ilen; ++i) {\n                        model = points[i]._model;\n                        model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);\n                        model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);\n                        model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);\n                        model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);\n                    }\n                }\n            },\n\n            draw: function() {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var points = meta.data || [];\n                var area = chart.chartArea;\n                var ilen = points.length;\n                var i = 0;\n\n                helpers.canvas.clipArea(chart.ctx, area);\n\n                if (lineEnabled(me.getDataset(), chart.options)) {\n                    meta.dataset.draw();\n                }\n\n                helpers.canvas.unclipArea(chart.ctx);\n\n                // Draw the points\n                for (; i < ilen; ++i) {\n                    points[i].draw(area);\n                }\n            },\n\n            setHoverStyle: function(point) {\n                // Point\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var index = point._index;\n                var custom = point.custom || {};\n                var model = point._model;\n\n                model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n                model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(point) {\n                var me = this;\n                var dataset = me.chart.data.datasets[point._datasetIndex];\n                var index = point._index;\n                var custom = point.custom || {};\n                var model = point._model;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n\n                model.radius = custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, me.chart.options.elements.point.radius);\n                model.backgroundColor = me.getPointBackgroundColor(point, index);\n                model.borderColor = me.getPointBorderColor(point, index);\n                model.borderWidth = me.getPointBorderWidth(point, index);\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],19:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('polarArea', {\n        scale: {\n            type: 'radialLinear',\n            angleLines: {\n                display: false\n            },\n            gridLines: {\n                circular: true\n            },\n            pointLabels: {\n                display: false\n            },\n            ticks: {\n                beginAtZero: true\n            }\n        },\n\n        // Boolean - Whether to animate the rotation of the chart\n        animation: {\n            animateRotate: true,\n            animateScale: true\n        },\n\n        startAngle: -0.5 * Math.PI,\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n\n            var data = chart.data;\n            var datasets = data.datasets;\n            var labels = data.labels;\n\n            if (datasets.length) {\n                for (var i = 0; i < datasets[0].data.length; ++i) {\n                    text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n                    if (labels[i]) {\n                        text.push(labels[i]);\n                    }\n                    text.push('</li>');\n                }\n            }\n\n            text.push('</ul>');\n            return text.join('');\n        },\n        legend: {\n            labels: {\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    if (data.labels.length && data.datasets.length) {\n                        return data.labels.map(function(label, i) {\n                            var meta = chart.getDatasetMeta(0);\n                            var ds = data.datasets[0];\n                            var arc = meta.data[i];\n                            var custom = arc.custom || {};\n                            var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n                            var arcOpts = chart.options.elements.arc;\n                            var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n                            var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n                            var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n                            return {\n                                text: label,\n                                fillStyle: fill,\n                                strokeStyle: stroke,\n                                lineWidth: bw,\n                                hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n                                // Extra data used for toggling the correct item\n                                index: i\n                            };\n                        });\n                    }\n                    return [];\n                }\n            },\n\n            onClick: function(e, legendItem) {\n                var index = legendItem.index;\n                var chart = this.chart;\n                var i, ilen, meta;\n\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    meta.data[index].hidden = !meta.data[index].hidden;\n                }\n\n                chart.update();\n            }\n        },\n\n        // Need to override these to give a nice default\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';\n                },\n                label: function(item, data) {\n                    return data.labels[item.index] + ': ' + item.yLabel;\n                }\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.polarArea = Chart.DatasetController.extend({\n\n            dataElementType: elements.Arc,\n\n            linkScales: helpers.noop,\n\n            update: function(reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var meta = me.getMeta();\n                var opts = chart.options;\n                var arcOpts = opts.elements.arc;\n                var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\n                chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0);\n                chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);\n                chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n\n                me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);\n                me.innerRadius = me.outerRadius - chart.radiusLength;\n\n                meta.count = me.countVisibleElements();\n\n                helpers.each(meta.data, function(arc, index) {\n                    me.updateElement(arc, index, reset);\n                });\n            },\n\n            updateElement: function(arc, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var dataset = me.getDataset();\n                var opts = chart.options;\n                var animationOpts = opts.animation;\n                var scale = chart.scale;\n                var labels = chart.data.labels;\n\n                var circumference = me.calculateCircumference(dataset.data[index]);\n                var centerX = scale.xCenter;\n                var centerY = scale.yCenter;\n\n                // If there is NaN data before us, we need to calculate the starting angle correctly.\n                // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data\n                var visibleCount = 0;\n                var meta = me.getMeta();\n                for (var i = 0; i < index; ++i) {\n                    if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) {\n                        ++visibleCount;\n                    }\n                }\n\n                // var negHalfPI = -0.5 * Math.PI;\n                var datasetStartAngle = opts.startAngle;\n                var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n                var startAngle = datasetStartAngle + (circumference * visibleCount);\n                var endAngle = startAngle + (arc.hidden ? 0 : circumference);\n\n                var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n\n                helpers.extend(arc, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n                    _scale: scale,\n\n                    // Desired view properties\n                    _model: {\n                        x: centerX,\n                        y: centerY,\n                        innerRadius: 0,\n                        outerRadius: reset ? resetRadius : distance,\n                        startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,\n                        endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,\n                        label: helpers.valueAtIndexOrDefault(labels, index, labels[index])\n                    }\n                });\n\n                // Apply border and fill style\n                me.removeHoverStyle(arc);\n\n                arc.pivot();\n            },\n\n            removeHoverStyle: function(arc) {\n                Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n            },\n\n            countVisibleElements: function() {\n                var dataset = this.getDataset();\n                var meta = this.getMeta();\n                var count = 0;\n\n                helpers.each(meta.data, function(element, index) {\n                    if (!isNaN(dataset.data[index]) && !element.hidden) {\n                        count++;\n                    }\n                });\n\n                return count;\n            },\n\n            calculateCircumference: function(value) {\n                var count = this.getMeta().count;\n                if (count > 0 && !isNaN(value)) {\n                    return (2 * Math.PI) / count;\n                }\n                return 0;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],20:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('radar', {\n        scale: {\n            type: 'radialLinear'\n        },\n        elements: {\n            line: {\n                tension: 0 // no bezier in radar\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.radar = Chart.DatasetController.extend({\n\n            datasetElementType: elements.Line,\n\n            dataElementType: elements.Point,\n\n            linkScales: helpers.noop,\n\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var line = meta.dataset;\n                var points = meta.data;\n                var custom = line.custom || {};\n                var dataset = me.getDataset();\n                var lineElementOptions = me.chart.options.elements.line;\n                var scale = me.chart.scale;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n                    dataset.lineTension = dataset.tension;\n                }\n\n                helpers.extend(meta.dataset, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _scale: scale,\n                    // Data\n                    _children: points,\n                    _loop: true,\n                    // Model\n                    _model: {\n                        // Appearance\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n                        borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n                        fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n                        borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n                        borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n                        borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n                        borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n                    }\n                });\n\n                meta.dataset.pivot();\n\n                // Update Points\n                helpers.each(points, function(point, index) {\n                    me.updateElement(point, index, reset);\n                }, me);\n\n                // Update bezier control points\n                me.updateBezierControlPoints();\n            },\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var custom = point.custom || {};\n                var dataset = me.getDataset();\n                var scale = me.chart.scale;\n                var pointElementOptions = me.chart.options.elements.point;\n                var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n                if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n                    dataset.pointHitRadius = dataset.hitRadius;\n                }\n\n                helpers.extend(point, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n                    _scale: scale,\n\n                    // Desired view properties\n                    _model: {\n                        x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales\n                        y: reset ? scale.yCenter : pointPosition.y,\n\n                        // Appearance\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension),\n                        radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor),\n                        borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth),\n                        pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle),\n\n                        // Tooltip\n                        hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius)\n                    }\n                });\n\n                point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));\n            },\n            updateBezierControlPoints: function() {\n                var chartArea = this.chart.chartArea;\n                var meta = this.getMeta();\n\n                helpers.each(meta.data, function(point, index) {\n                    var model = point._model;\n                    var controlPoints = helpers.splineCurve(\n                        helpers.previousItem(meta.data, index, true)._model,\n                        model,\n                        helpers.nextItem(meta.data, index, true)._model,\n                        model.tension\n                    );\n\n                    // Prevent the bezier going outside of the bounds of the graph\n                    model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left);\n                    model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top);\n\n                    model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left);\n                    model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top);\n\n                    // Now pivot the point for animation\n                    point.pivot();\n                });\n            },\n\n            setHoverStyle: function(point) {\n                // Point\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var custom = point.custom || {};\n                var index = point._index;\n                var model = point._model;\n\n                model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(point) {\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var custom = point.custom || {};\n                var index = point._index;\n                var model = point._model;\n                var pointElementOptions = this.chart.options.elements.point;\n\n                model.radius = custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius);\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth);\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],21:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n\n    defaults._set('scatter', {\n        hover: {\n            mode: 'single'\n        },\n\n        scales: {\n            xAxes: [{\n                id: 'x-axis-1',    // need an ID so datasets can reference the scale\n                type: 'linear',    // scatter should not use a category axis\n                position: 'bottom'\n            }],\n            yAxes: [{\n                id: 'y-axis-1',\n                type: 'linear',\n                position: 'left'\n            }]\n        },\n\n        showLines: false,\n\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';     // doesn't make sense for scatter since data are formatted as a point\n                },\n                label: function(item) {\n                    return '(' + item.xLabel + ', ' + item.yLabel + ')';\n                }\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        // Scatter charts use line controllers\n        Chart.controllers.scatter = Chart.controllers.line;\n\n    };\n\n},{\"25\":25}],22:[function(require,module,exports){\n\t/* global window: false */\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        animation: {\n            duration: 1000,\n            easing: 'easeOutQuart',\n            onProgress: helpers.noop,\n            onComplete: helpers.noop\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.Animation = Element.extend({\n            chart: null, // the animation associated chart instance\n            currentStep: 0, // the current animation step\n            numSteps: 60, // default number of steps\n            easing: '', // the easing to use for this animation\n            render: null, // render function used by the animation service\n\n            onAnimationProgress: null, // user specified callback to fire on each step of the animation\n            onAnimationComplete: null, // user specified callback to fire when the animation finishes\n        });\n\n        Chart.animationService = {\n            frameDuration: 17,\n            animations: [],\n            dropFrames: 0,\n            request: null,\n\n            /**\n             * @param {Chart} chart - The chart to animate.\n             * @param {Chart.Animation} animation - The animation that we will animate.\n             * @param {Number} duration - The animation duration in ms.\n             * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions\n             */\n            addAnimation: function(chart, animation, duration, lazy) {\n                var animations = this.animations;\n                var i, ilen;\n\n                animation.chart = chart;\n\n                if (!lazy) {\n                    chart.animating = true;\n                }\n\n                for (i = 0, ilen = animations.length; i < ilen; ++i) {\n                    if (animations[i].chart === chart) {\n                        animations[i] = animation;\n                        return;\n                    }\n                }\n\n                animations.push(animation);\n\n                // If there are no animations queued, manually kickstart a digest, for lack of a better word\n                if (animations.length === 1) {\n                    this.requestAnimationFrame();\n                }\n            },\n\n            cancelAnimation: function(chart) {\n                var index = helpers.findIndex(this.animations, function(animation) {\n                    return animation.chart === chart;\n                });\n\n                if (index !== -1) {\n                    this.animations.splice(index, 1);\n                    chart.animating = false;\n                }\n            },\n\n            requestAnimationFrame: function() {\n                var me = this;\n                if (me.request === null) {\n                    // Skip animation frame requests until the active one is executed.\n                    // This can happen when processing mouse events, e.g. 'mousemove'\n                    // and 'mouseout' events will trigger multiple renders.\n                    me.request = helpers.requestAnimFrame.call(window, function() {\n                        me.request = null;\n                        me.startDigest();\n                    });\n                }\n            },\n\n            /**\n             * @private\n             */\n            startDigest: function() {\n                var me = this;\n                var startTime = Date.now();\n                var framesToDrop = 0;\n\n                if (me.dropFrames > 1) {\n                    framesToDrop = Math.floor(me.dropFrames);\n                    me.dropFrames = me.dropFrames % 1;\n                }\n\n                me.advance(1 + framesToDrop);\n\n                var endTime = Date.now();\n\n                me.dropFrames += (endTime - startTime) / me.frameDuration;\n\n                // Do we have more stuff to animate?\n                if (me.animations.length > 0) {\n                    me.requestAnimationFrame();\n                }\n            },\n\n            /**\n             * @private\n             */\n            advance: function(count) {\n                var animations = this.animations;\n                var animation, chart;\n                var i = 0;\n\n                while (i < animations.length) {\n                    animation = animations[i];\n                    chart = animation.chart;\n\n                    animation.currentStep = (animation.currentStep || 0) + count;\n                    animation.currentStep = Math.min(animation.currentStep, animation.numSteps);\n\n                    helpers.callback(animation.render, [chart, animation], chart);\n                    helpers.callback(animation.onAnimationProgress, [animation], chart);\n\n                    if (animation.currentStep >= animation.numSteps) {\n                        helpers.callback(animation.onAnimationComplete, [animation], chart);\n                        chart.animating = false;\n                        animations.splice(i, 1);\n                    } else {\n                        ++i;\n                    }\n                }\n            }\n        };\n\n        /**\n         * Provided for backward compatibility, use Chart.Animation instead\n         * @prop Chart.Animation#animationObject\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         */\n        Object.defineProperty(Chart.Animation.prototype, 'animationObject', {\n            get: function() {\n                return this;\n            }\n        });\n\n        /**\n         * Provided for backward compatibility, use Chart.Animation#chart instead\n         * @prop Chart.Animation#chartInstance\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         */\n        Object.defineProperty(Chart.Animation.prototype, 'chartInstance', {\n            get: function() {\n                return this.chart;\n            },\n            set: function(value) {\n                this.chart = value;\n            }\n        });\n\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],23:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Interaction = require(28);\n    var platform = require(48);\n\n    module.exports = function(Chart) {\n        var plugins = Chart.plugins;\n\n        // Create a dictionary of chart types, to allow for extension of existing types\n        Chart.types = {};\n\n        // Store a reference to each instance - allowing us to globally resize chart instances on window resize.\n        // Destroy method on the chart will remove the instance of the chart from this reference.\n        Chart.instances = {};\n\n        // Controllers available for dataset visualization eg. bar, line, slice, etc.\n        Chart.controllers = {};\n\n        /**\n         * Initializes the given config with global and chart default values.\n         */\n        function initConfig(config) {\n            config = config || {};\n\n            // Do NOT use configMerge() for the data object because this method merges arrays\n            // and so would change references to labels and datasets, preventing data updates.\n            var data = config.data = config.data || {};\n            data.datasets = data.datasets || [];\n            data.labels = data.labels || [];\n\n            config.options = helpers.configMerge(\n                defaults.global,\n                defaults[config.type],\n                config.options || {});\n\n            return config;\n        }\n\n        /**\n         * Updates the config of the chart\n         * @param chart {Chart} chart to update the options for\n         */\n        function updateConfig(chart) {\n            var newOptions = chart.options;\n\n            // Update Scale(s) with options\n            if (newOptions.scale) {\n                chart.scale.options = newOptions.scale;\n            } else if (newOptions.scales) {\n                newOptions.scales.xAxes.concat(newOptions.scales.yAxes).forEach(function(scaleOptions) {\n                    chart.scales[scaleOptions.id].options = scaleOptions;\n                });\n            }\n\n            // Tooltip\n            chart.tooltip._options = newOptions.tooltips;\n        }\n\n        function positionIsHorizontal(position) {\n            return position === 'top' || position === 'bottom';\n        }\n\n        helpers.extend(Chart.prototype, /** @lends Chart */ {\n            /**\n             * @private\n             */\n            construct: function(item, config) {\n                var me = this;\n\n                config = initConfig(config);\n\n                var context = platform.acquireContext(item, config);\n                var canvas = context && context.canvas;\n                var height = canvas && canvas.height;\n                var width = canvas && canvas.width;\n\n                me.id = helpers.uid();\n                me.ctx = context;\n                me.canvas = canvas;\n                me.config = config;\n                me.width = width;\n                me.height = height;\n                me.aspectRatio = height ? width / height : null;\n                me.options = config.options;\n                me._bufferedRender = false;\n\n                /**\n                 * Provided for backward compatibility, Chart and Chart.Controller have been merged,\n                 * the \"instance\" still need to be defined since it might be called from plugins.\n                 * @prop Chart#chart\n                 * @deprecated since version 2.6.0\n                 * @todo remove at version 3\n                 * @private\n                 */\n                me.chart = me;\n                me.controller = me; // chart.chart.controller #inception\n\n                // Add the chart instance to the global namespace\n                Chart.instances[me.id] = me;\n\n                // Define alias to the config data: `chart.data === chart.config.data`\n                Object.defineProperty(me, 'data', {\n                    get: function() {\n                        return me.config.data;\n                    },\n                    set: function(value) {\n                        me.config.data = value;\n                    }\n                });\n\n                if (!context || !canvas) {\n                    // The given item is not a compatible context2d element, let's return before finalizing\n                    // the chart initialization but after setting basic chart / controller properties that\n                    // can help to figure out that the chart is not valid (e.g chart.canvas !== null);\n                    // https://github.com/chartjs/Chart.js/issues/2807\n                    console.error(\"Failed to create chart: can't acquire context from the given item\");\n                    return;\n                }\n\n                me.initialize();\n                me.update();\n            },\n\n            /**\n             * @private\n             */\n            initialize: function() {\n                var me = this;\n\n                // Before init plugin notification\n                plugins.notify(me, 'beforeInit');\n\n                helpers.retinaScale(me, me.options.devicePixelRatio);\n\n                me.bindEvents();\n\n                if (me.options.responsive) {\n                    // Initial resize before chart draws (must be silent to preserve initial animations).\n                    me.resize(true);\n                }\n\n                // Make sure scales have IDs and are built before we build any controllers.\n                me.ensureScalesHaveIDs();\n                me.buildScales();\n                me.initToolTip();\n\n                // After init plugin notification\n                plugins.notify(me, 'afterInit');\n\n                return me;\n            },\n\n            clear: function() {\n                helpers.canvas.clear(this);\n                return this;\n            },\n\n            stop: function() {\n                // Stops any current animation loop occurring\n                Chart.animationService.cancelAnimation(this);\n                return this;\n            },\n\n            resize: function(silent) {\n                var me = this;\n                var options = me.options;\n                var canvas = me.canvas;\n                var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null;\n\n                // the canvas render width and height will be casted to integers so make sure that\n                // the canvas display style uses the same integer values to avoid blurring effect.\n\n                // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collased\n                var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas)));\n                var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)));\n\n                if (me.width === newWidth && me.height === newHeight) {\n                    return;\n                }\n\n                canvas.width = me.width = newWidth;\n                canvas.height = me.height = newHeight;\n                canvas.style.width = newWidth + 'px';\n                canvas.style.height = newHeight + 'px';\n\n                helpers.retinaScale(me, options.devicePixelRatio);\n\n                if (!silent) {\n                    // Notify any plugins about the resize\n                    var newSize = {width: newWidth, height: newHeight};\n                    plugins.notify(me, 'resize', [newSize]);\n\n                    // Notify of resize\n                    if (me.options.onResize) {\n                        me.options.onResize(me, newSize);\n                    }\n\n                    me.stop();\n                    me.update(me.options.responsiveAnimationDuration);\n                }\n            },\n\n            ensureScalesHaveIDs: function() {\n                var options = this.options;\n                var scalesOptions = options.scales || {};\n                var scaleOptions = options.scale;\n\n                helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) {\n                    xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index);\n                });\n\n                helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) {\n                    yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index);\n                });\n\n                if (scaleOptions) {\n                    scaleOptions.id = scaleOptions.id || 'scale';\n                }\n            },\n\n            /**\n             * Builds a map of scale ID to scale object for future lookup.\n             */\n            buildScales: function() {\n                var me = this;\n                var options = me.options;\n                var scales = me.scales = {};\n                var items = [];\n\n                if (options.scales) {\n                    items = items.concat(\n                        (options.scales.xAxes || []).map(function(xAxisOptions) {\n                            return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'};\n                        }),\n                        (options.scales.yAxes || []).map(function(yAxisOptions) {\n                            return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};\n                        })\n                    );\n                }\n\n                if (options.scale) {\n                    items.push({\n                        options: options.scale,\n                        dtype: 'radialLinear',\n                        isDefault: true,\n                        dposition: 'chartArea'\n                    });\n                }\n\n                helpers.each(items, function(item) {\n                    var scaleOptions = item.options;\n                    var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype);\n                    var scaleClass = Chart.scaleService.getScaleConstructor(scaleType);\n                    if (!scaleClass) {\n                        return;\n                    }\n\n                    if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {\n                        scaleOptions.position = item.dposition;\n                    }\n\n                    var scale = new scaleClass({\n                        id: scaleOptions.id,\n                        options: scaleOptions,\n                        ctx: me.ctx,\n                        chart: me\n                    });\n\n                    scales[scale.id] = scale;\n                    scale.mergeTicksOptions();\n\n                    // TODO(SB): I think we should be able to remove this custom case (options.scale)\n                    // and consider it as a regular scale part of the \"scales\"\" map only! This would\n                    // make the logic easier and remove some useless? custom code.\n                    if (item.isDefault) {\n                        me.scale = scale;\n                    }\n                });\n\n                Chart.scaleService.addScalesToLayout(this);\n            },\n\n            buildOrUpdateControllers: function() {\n                var me = this;\n                var types = [];\n                var newControllers = [];\n\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    var meta = me.getDatasetMeta(datasetIndex);\n                    var type = dataset.type || me.config.type;\n\n                    if (meta.type && meta.type !== type) {\n                        me.destroyDatasetMeta(datasetIndex);\n                        meta = me.getDatasetMeta(datasetIndex);\n                    }\n                    meta.type = type;\n\n                    types.push(meta.type);\n\n                    if (meta.controller) {\n                        meta.controller.updateIndex(datasetIndex);\n                    } else {\n                        var ControllerClass = Chart.controllers[meta.type];\n                        if (ControllerClass === undefined) {\n                            throw new Error('\"' + meta.type + '\" is not a chart type.');\n                        }\n\n                        meta.controller = new ControllerClass(me, datasetIndex);\n                        newControllers.push(meta.controller);\n                    }\n                }, me);\n\n                return newControllers;\n            },\n\n            /**\n             * Reset the elements of all datasets\n             * @private\n             */\n            resetElements: function() {\n                var me = this;\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    me.getDatasetMeta(datasetIndex).controller.reset();\n                }, me);\n            },\n\n            /**\n             * Resets the chart back to it's state before the initial animation\n             */\n            reset: function() {\n                this.resetElements();\n                this.tooltip.initialize();\n            },\n\n            update: function(config) {\n                var me = this;\n\n                if (!config || typeof config !== 'object') {\n                    // backwards compatibility\n                    config = {\n                        duration: config,\n                        lazy: arguments[1]\n                    };\n                }\n\n                updateConfig(me);\n\n                if (plugins.notify(me, 'beforeUpdate') === false) {\n                    return;\n                }\n\n                // In case the entire data object changed\n                me.tooltip._data = me.data;\n\n                // Make sure dataset controllers are updated and new controllers are reset\n                var newControllers = me.buildOrUpdateControllers();\n\n                // Make sure all dataset controllers have correct meta data counts\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements();\n                }, me);\n\n                me.updateLayout();\n\n                // Can only reset the new controllers after the scales have been updated\n                helpers.each(newControllers, function(controller) {\n                    controller.reset();\n                });\n\n                me.updateDatasets();\n\n                // Do this before render so that any plugins that need final scale updates can use it\n                plugins.notify(me, 'afterUpdate');\n\n                if (me._bufferedRender) {\n                    me._bufferedRequest = {\n                        duration: config.duration,\n                        easing: config.easing,\n                        lazy: config.lazy\n                    };\n                } else {\n                    me.render(config);\n                }\n            },\n\n            /**\n             * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`\n             * hook, in which case, plugins will not be called on `afterLayout`.\n             * @private\n             */\n            updateLayout: function() {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeLayout') === false) {\n                    return;\n                }\n\n                Chart.layoutService.update(this, this.width, this.height);\n\n                /**\n                 * Provided for backward compatibility, use `afterLayout` instead.\n                 * @method IPlugin#afterScaleUpdate\n                 * @deprecated since version 2.5.0\n                 * @todo remove at version 3\n                 * @private\n                 */\n                plugins.notify(me, 'afterScaleUpdate');\n                plugins.notify(me, 'afterLayout');\n            },\n\n            /**\n             * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`\n             * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.\n             * @private\n             */\n            updateDatasets: function() {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeDatasetsUpdate') === false) {\n                    return;\n                }\n\n                for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n                    me.updateDataset(i);\n                }\n\n                plugins.notify(me, 'afterDatasetsUpdate');\n            },\n\n            /**\n             * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`\n             * hook, in which case, plugins will not be called on `afterDatasetUpdate`.\n             * @private\n             */\n            updateDataset: function(index) {\n                var me = this;\n                var meta = me.getDatasetMeta(index);\n                var args = {\n                    meta: meta,\n                    index: index\n                };\n\n                if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {\n                    return;\n                }\n\n                meta.controller.update();\n\n                plugins.notify(me, 'afterDatasetUpdate', [args]);\n            },\n\n            render: function(config) {\n                var me = this;\n\n                if (!config || typeof config !== 'object') {\n                    // backwards compatibility\n                    config = {\n                        duration: config,\n                        lazy: arguments[1]\n                    };\n                }\n\n                var duration = config.duration;\n                var lazy = config.lazy;\n\n                if (plugins.notify(me, 'beforeRender') === false) {\n                    return;\n                }\n\n                var animationOptions = me.options.animation;\n                var onComplete = function(animation) {\n                    plugins.notify(me, 'afterRender');\n                    helpers.callback(animationOptions && animationOptions.onComplete, [animation], me);\n                };\n\n                if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) {\n                    var animation = new Chart.Animation({\n                        numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps\n                        easing: config.easing || animationOptions.easing,\n\n                        render: function(chart, animationObject) {\n                            var easingFunction = helpers.easing.effects[animationObject.easing];\n                            var currentStep = animationObject.currentStep;\n                            var stepDecimal = currentStep / animationObject.numSteps;\n\n                            chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);\n                        },\n\n                        onAnimationProgress: animationOptions.onProgress,\n                        onAnimationComplete: onComplete\n                    });\n\n                    Chart.animationService.addAnimation(me, animation, duration, lazy);\n                } else {\n                    me.draw();\n\n                    // See https://github.com/chartjs/Chart.js/issues/3781\n                    onComplete(new Chart.Animation({numSteps: 0, chart: me}));\n                }\n\n                return me;\n            },\n\n            draw: function(easingValue) {\n                var me = this;\n\n                me.clear();\n\n                if (helpers.isNullOrUndef(easingValue)) {\n                    easingValue = 1;\n                }\n\n                me.transition(easingValue);\n\n                if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) {\n                    return;\n                }\n\n                // Draw all the scales\n                helpers.each(me.boxes, function(box) {\n                    box.draw(me.chartArea);\n                }, me);\n\n                if (me.scale) {\n                    me.scale.draw();\n                }\n\n                me.drawDatasets(easingValue);\n\n                // Finally draw the tooltip\n                me.tooltip.draw();\n\n                plugins.notify(me, 'afterDraw', [easingValue]);\n            },\n\n            /**\n             * @private\n             */\n            transition: function(easingValue) {\n                var me = this;\n\n                for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {\n                    if (me.isDatasetVisible(i)) {\n                        me.getDatasetMeta(i).controller.transition(easingValue);\n                    }\n                }\n\n                me.tooltip.transition(easingValue);\n            },\n\n            /**\n             * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`\n             * hook, in which case, plugins will not be called on `afterDatasetsDraw`.\n             * @private\n             */\n            drawDatasets: function(easingValue) {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) {\n                    return;\n                }\n\n                // Draw datasets reversed to support proper line stacking\n                for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) {\n                    if (me.isDatasetVisible(i)) {\n                        me.drawDataset(i, easingValue);\n                    }\n                }\n\n                plugins.notify(me, 'afterDatasetsDraw', [easingValue]);\n            },\n\n            /**\n             * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`\n             * hook, in which case, plugins will not be called on `afterDatasetDraw`.\n             * @private\n             */\n            drawDataset: function(index, easingValue) {\n                var me = this;\n                var meta = me.getDatasetMeta(index);\n                var args = {\n                    meta: meta,\n                    index: index,\n                    easingValue: easingValue\n                };\n\n                if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {\n                    return;\n                }\n\n                meta.controller.draw(easingValue);\n\n                plugins.notify(me, 'afterDatasetDraw', [args]);\n            },\n\n            // Get the single element that was clicked on\n            // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw\n            getElementAtEvent: function(e) {\n                return Interaction.modes.single(this, e);\n            },\n\n            getElementsAtEvent: function(e) {\n                return Interaction.modes.label(this, e, {intersect: true});\n            },\n\n            getElementsAtXAxis: function(e) {\n                return Interaction.modes['x-axis'](this, e, {intersect: true});\n            },\n\n            getElementsAtEventForMode: function(e, mode, options) {\n                var method = Interaction.modes[mode];\n                if (typeof method === 'function') {\n                    return method(this, e, options);\n                }\n\n                return [];\n            },\n\n            getDatasetAtEvent: function(e) {\n                return Interaction.modes.dataset(this, e, {intersect: true});\n            },\n\n            getDatasetMeta: function(datasetIndex) {\n                var me = this;\n                var dataset = me.data.datasets[datasetIndex];\n                if (!dataset._meta) {\n                    dataset._meta = {};\n                }\n\n                var meta = dataset._meta[me.id];\n                if (!meta) {\n                    meta = dataset._meta[me.id] = {\n                        type: null,\n                        data: [],\n                        dataset: null,\n                        controller: null,\n                        hidden: null,\t\t\t// See isDatasetVisible() comment\n                        xAxisID: null,\n                        yAxisID: null\n                    };\n                }\n\n                return meta;\n            },\n\n            getVisibleDatasetCount: function() {\n                var count = 0;\n                for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n                    if (this.isDatasetVisible(i)) {\n                        count++;\n                    }\n                }\n                return count;\n            },\n\n            isDatasetVisible: function(datasetIndex) {\n                var meta = this.getDatasetMeta(datasetIndex);\n\n                // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,\n                // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.\n                return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden;\n            },\n\n            generateLegend: function() {\n                return this.options.legendCallback(this);\n            },\n\n            /**\n             * @private\n             */\n            destroyDatasetMeta: function(datasetIndex) {\n                var id = this.id;\n                var dataset = this.data.datasets[datasetIndex];\n                var meta = dataset._meta && dataset._meta[id];\n\n                if (meta) {\n                    meta.controller.destroy();\n                    delete dataset._meta[id];\n                }\n            },\n\n            destroy: function() {\n                var me = this;\n                var canvas = me.canvas;\n                var i, ilen;\n\n                me.stop();\n\n                // dataset controllers need to cleanup associated data\n                for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n                    me.destroyDatasetMeta(i);\n                }\n\n                if (canvas) {\n                    me.unbindEvents();\n                    helpers.canvas.clear(me);\n                    platform.releaseContext(me.ctx);\n                    me.canvas = null;\n                    me.ctx = null;\n                }\n\n                plugins.notify(me, 'destroy');\n\n                delete Chart.instances[me.id];\n            },\n\n            toBase64Image: function() {\n                return this.canvas.toDataURL.apply(this.canvas, arguments);\n            },\n\n            initToolTip: function() {\n                var me = this;\n                me.tooltip = new Chart.Tooltip({\n                    _chart: me,\n                    _chartInstance: me, // deprecated, backward compatibility\n                    _data: me.data,\n                    _options: me.options.tooltips\n                }, me);\n            },\n\n            /**\n             * @private\n             */\n            bindEvents: function() {\n                var me = this;\n                var listeners = me._listeners = {};\n                var listener = function() {\n                    me.eventHandler.apply(me, arguments);\n                };\n\n                helpers.each(me.options.events, function(type) {\n                    platform.addEventListener(me, type, listener);\n                    listeners[type] = listener;\n                });\n\n                // Elements used to detect size change should not be injected for non responsive charts.\n                // See https://github.com/chartjs/Chart.js/issues/2210\n                if (me.options.responsive) {\n                    listener = function() {\n                        me.resize();\n                    };\n\n                    platform.addEventListener(me, 'resize', listener);\n                    listeners.resize = listener;\n                }\n            },\n\n            /**\n             * @private\n             */\n            unbindEvents: function() {\n                var me = this;\n                var listeners = me._listeners;\n                if (!listeners) {\n                    return;\n                }\n\n                delete me._listeners;\n                helpers.each(listeners, function(listener, type) {\n                    platform.removeEventListener(me, type, listener);\n                });\n            },\n\n            updateHoverStyle: function(elements, mode, enabled) {\n                var method = enabled ? 'setHoverStyle' : 'removeHoverStyle';\n                var element, i, ilen;\n\n                for (i = 0, ilen = elements.length; i < ilen; ++i) {\n                    element = elements[i];\n                    if (element) {\n                        this.getDatasetMeta(element._datasetIndex).controller[method](element);\n                    }\n                }\n            },\n\n            /**\n             * @private\n             */\n            eventHandler: function(e) {\n                var me = this;\n                var tooltip = me.tooltip;\n\n                if (plugins.notify(me, 'beforeEvent', [e]) === false) {\n                    return;\n                }\n\n                // Buffer any update calls so that renders do not occur\n                me._bufferedRender = true;\n                me._bufferedRequest = null;\n\n                var changed = me.handleEvent(e);\n                changed |= tooltip && tooltip.handleEvent(e);\n\n                plugins.notify(me, 'afterEvent', [e]);\n\n                var bufferedRequest = me._bufferedRequest;\n                if (bufferedRequest) {\n                    // If we have an update that was triggered, we need to do a normal render\n                    me.render(bufferedRequest);\n                } else if (changed && !me.animating) {\n                    // If entering, leaving, or changing elements, animate the change via pivot\n                    me.stop();\n\n                    // We only need to render at this point. Updating will cause scales to be\n                    // recomputed generating flicker & using more memory than necessary.\n                    me.render(me.options.hover.animationDuration, true);\n                }\n\n                me._bufferedRender = false;\n                me._bufferedRequest = null;\n\n                return me;\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event the event to handle\n             * @return {Boolean} true if the chart needs to re-render\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var options = me.options || {};\n                var hoverOptions = options.hover;\n                var changed = false;\n\n                me.lastActive = me.lastActive || [];\n\n                // Find Active Elements for hover and tooltips\n                if (e.type === 'mouseout') {\n                    me.active = [];\n                } else {\n                    me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions);\n                }\n\n                // Invoke onHover hook\n                // Need to call with native event here to not break backwards compatibility\n                helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);\n\n                if (e.type === 'mouseup' || e.type === 'click') {\n                    if (options.onClick) {\n                        // Use e.native here for backwards compatibility\n                        options.onClick.call(me, e.native, me.active);\n                    }\n                }\n\n                // Remove styling for last active (even if it may still be active)\n                if (me.lastActive.length) {\n                    me.updateHoverStyle(me.lastActive, hoverOptions.mode, false);\n                }\n\n                // Built in hover styling\n                if (me.active.length && hoverOptions.mode) {\n                    me.updateHoverStyle(me.active, hoverOptions.mode, true);\n                }\n\n                changed = !helpers.arrayEquals(me.active, me.lastActive);\n\n                // Remember Last Actives\n                me.lastActive = me.active;\n\n                return changed;\n            }\n        });\n\n        /**\n         * Provided for backward compatibility, use Chart instead.\n         * @class Chart.Controller\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.Controller = Chart;\n    };\n\n},{\"25\":25,\"28\":28,\"45\":45,\"48\":48}],24:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\n\n        /**\n         * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',\n         * 'unshift') and notify the listener AFTER the array has been altered. Listeners are\n         * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.\n         */\n        function listenArrayEvents(array, listener) {\n            if (array._chartjs) {\n                array._chartjs.listeners.push(listener);\n                return;\n            }\n\n            Object.defineProperty(array, '_chartjs', {\n                configurable: true,\n                enumerable: false,\n                value: {\n                    listeners: [listener]\n                }\n            });\n\n            arrayEvents.forEach(function(key) {\n                var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);\n                var base = array[key];\n\n                Object.defineProperty(array, key, {\n                    configurable: true,\n                    enumerable: false,\n                    value: function() {\n                        var args = Array.prototype.slice.call(arguments);\n                        var res = base.apply(this, args);\n\n                        helpers.each(array._chartjs.listeners, function(object) {\n                            if (typeof object[method] === 'function') {\n                                object[method].apply(object, args);\n                            }\n                        });\n\n                        return res;\n                    }\n                });\n            });\n        }\n\n        /**\n         * Removes the given array event listener and cleanup extra attached properties (such as\n         * the _chartjs stub and overridden methods) if array doesn't have any more listeners.\n         */\n        function unlistenArrayEvents(array, listener) {\n            var stub = array._chartjs;\n            if (!stub) {\n                return;\n            }\n\n            var listeners = stub.listeners;\n            var index = listeners.indexOf(listener);\n            if (index !== -1) {\n                listeners.splice(index, 1);\n            }\n\n            if (listeners.length > 0) {\n                return;\n            }\n\n            arrayEvents.forEach(function(key) {\n                delete array[key];\n            });\n\n            delete array._chartjs;\n        }\n\n        // Base class for all dataset controllers (line, bar, etc)\n        Chart.DatasetController = function(chart, datasetIndex) {\n            this.initialize(chart, datasetIndex);\n        };\n\n        helpers.extend(Chart.DatasetController.prototype, {\n\n            /**\n             * Element type used to generate a meta dataset (e.g. Chart.element.Line).\n             * @type {Chart.core.element}\n             */\n            datasetElementType: null,\n\n            /**\n             * Element type used to generate a meta data (e.g. Chart.element.Point).\n             * @type {Chart.core.element}\n             */\n            dataElementType: null,\n\n            initialize: function(chart, datasetIndex) {\n                var me = this;\n                me.chart = chart;\n                me.index = datasetIndex;\n                me.linkScales();\n                me.addElements();\n            },\n\n            updateIndex: function(datasetIndex) {\n                this.index = datasetIndex;\n            },\n\n            linkScales: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var dataset = me.getDataset();\n\n                if (meta.xAxisID === null) {\n                    meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id;\n                }\n                if (meta.yAxisID === null) {\n                    meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id;\n                }\n            },\n\n            getDataset: function() {\n                return this.chart.data.datasets[this.index];\n            },\n\n            getMeta: function() {\n                return this.chart.getDatasetMeta(this.index);\n            },\n\n            getScaleForId: function(scaleID) {\n                return this.chart.scales[scaleID];\n            },\n\n            reset: function() {\n                this.update(true);\n            },\n\n            /**\n             * @private\n             */\n            destroy: function() {\n                if (this._data) {\n                    unlistenArrayEvents(this._data, this);\n                }\n            },\n\n            createMetaDataset: function() {\n                var me = this;\n                var type = me.datasetElementType;\n                return type && new type({\n                        _chart: me.chart,\n                        _datasetIndex: me.index\n                    });\n            },\n\n            createMetaData: function(index) {\n                var me = this;\n                var type = me.dataElementType;\n                return type && new type({\n                        _chart: me.chart,\n                        _datasetIndex: me.index,\n                        _index: index\n                    });\n            },\n\n            addElements: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var data = me.getDataset().data || [];\n                var metaData = meta.data;\n                var i, ilen;\n\n                for (i = 0, ilen = data.length; i < ilen; ++i) {\n                    metaData[i] = metaData[i] || me.createMetaData(i);\n                }\n\n                meta.dataset = meta.dataset || me.createMetaDataset();\n            },\n\n            addElementAndReset: function(index) {\n                var element = this.createMetaData(index);\n                this.getMeta().data.splice(index, 0, element);\n                this.updateElement(element, index, true);\n            },\n\n            buildOrUpdateElements: function() {\n                var me = this;\n                var dataset = me.getDataset();\n                var data = dataset.data || (dataset.data = []);\n\n                // In order to correctly handle data addition/deletion animation (an thus simulate\n                // real-time charts), we need to monitor these data modifications and synchronize\n                // the internal meta data accordingly.\n                if (me._data !== data) {\n                    if (me._data) {\n                        // This case happens when the user replaced the data array instance.\n                        unlistenArrayEvents(me._data, me);\n                    }\n\n                    listenArrayEvents(data, me);\n                    me._data = data;\n                }\n\n                // Re-sync meta data in case the user replaced the data array or if we missed\n                // any updates and so make sure that we handle number of datapoints changing.\n                me.resyncElements();\n            },\n\n            update: helpers.noop,\n\n            transition: function(easingValue) {\n                var meta = this.getMeta();\n                var elements = meta.data || [];\n                var ilen = elements.length;\n                var i = 0;\n\n                for (; i < ilen; ++i) {\n                    elements[i].transition(easingValue);\n                }\n\n                if (meta.dataset) {\n                    meta.dataset.transition(easingValue);\n                }\n            },\n\n            draw: function() {\n                var meta = this.getMeta();\n                var elements = meta.data || [];\n                var ilen = elements.length;\n                var i = 0;\n\n                if (meta.dataset) {\n                    meta.dataset.draw();\n                }\n\n                for (; i < ilen; ++i) {\n                    elements[i].draw();\n                }\n            },\n\n            removeHoverStyle: function(element, elementOpts) {\n                var dataset = this.chart.data.datasets[element._datasetIndex];\n                var index = element._index;\n                var custom = element.custom || {};\n                var valueOrDefault = helpers.valueAtIndexOrDefault;\n                var model = element._model;\n\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth);\n            },\n\n            setHoverStyle: function(element) {\n                var dataset = this.chart.data.datasets[element._datasetIndex];\n                var index = element._index;\n                var custom = element.custom || {};\n                var valueOrDefault = helpers.valueAtIndexOrDefault;\n                var getHoverColor = helpers.getHoverColor;\n                var model = element._model;\n\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n            },\n\n            /**\n             * @private\n             */\n            resyncElements: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var data = me.getDataset().data;\n                var numMeta = meta.data.length;\n                var numData = data.length;\n\n                if (numData < numMeta) {\n                    meta.data.splice(numData, numMeta - numData);\n                } else if (numData > numMeta) {\n                    me.insertElements(numMeta, numData - numMeta);\n                }\n            },\n\n            /**\n             * @private\n             */\n            insertElements: function(start, count) {\n                for (var i = 0; i < count; ++i) {\n                    this.addElementAndReset(start + i);\n                }\n            },\n\n            /**\n             * @private\n             */\n            onDataPush: function() {\n                this.insertElements(this.getDataset().data.length - 1, arguments.length);\n            },\n\n            /**\n             * @private\n             */\n            onDataPop: function() {\n                this.getMeta().data.pop();\n            },\n\n            /**\n             * @private\n             */\n            onDataShift: function() {\n                this.getMeta().data.shift();\n            },\n\n            /**\n             * @private\n             */\n            onDataSplice: function(start, count) {\n                this.getMeta().data.splice(start, count);\n                this.insertElements(start, arguments.length - 2);\n            },\n\n            /**\n             * @private\n             */\n            onDataUnshift: function() {\n                this.insertElements(0, arguments.length);\n            }\n        });\n\n        Chart.DatasetController.extend = helpers.inherits;\n    };\n\n},{\"45\":45}],25:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = {\n        /**\n         * @private\n         */\n        _set: function(scope, values) {\n            return helpers.merge(this[scope] || (this[scope] = {}), values);\n        }\n    };\n\n},{\"45\":45}],26:[function(require,module,exports){\n    'use strict';\n\n    var color = require(2);\n    var helpers = require(45);\n\n    function interpolate(start, view, model, ease) {\n        var keys = Object.keys(model);\n        var i, ilen, key, actual, origin, target, type, c0, c1;\n\n        for (i = 0, ilen = keys.length; i < ilen; ++i) {\n            key = keys[i];\n\n            target = model[key];\n\n            // if a value is added to the model after pivot() has been called, the view\n            // doesn't contain it, so let's initialize the view to the target value.\n            if (!view.hasOwnProperty(key)) {\n                view[key] = target;\n            }\n\n            actual = view[key];\n\n            if (actual === target || key[0] === '_') {\n                continue;\n            }\n\n            if (!start.hasOwnProperty(key)) {\n                start[key] = actual;\n            }\n\n            origin = start[key];\n\n            type = typeof target;\n\n            if (type === typeof origin) {\n                if (type === 'string') {\n                    c0 = color(origin);\n                    if (c0.valid) {\n                        c1 = color(target);\n                        if (c1.valid) {\n                            view[key] = c1.mix(c0, ease).rgbString();\n                            continue;\n                        }\n                    }\n                } else if (type === 'number' && isFinite(origin) && isFinite(target)) {\n                    view[key] = origin + (target - origin) * ease;\n                    continue;\n                }\n            }\n\n            view[key] = target;\n        }\n    }\n\n    var Element = function(configuration) {\n        helpers.extend(this, configuration);\n        this.initialize.apply(this, arguments);\n    };\n\n    helpers.extend(Element.prototype, {\n\n        initialize: function() {\n            this.hidden = false;\n        },\n\n        pivot: function() {\n            var me = this;\n            if (!me._view) {\n                me._view = helpers.clone(me._model);\n            }\n            me._start = {};\n            return me;\n        },\n\n        transition: function(ease) {\n            var me = this;\n            var model = me._model;\n            var start = me._start;\n            var view = me._view;\n\n            // No animation -> No Transition\n            if (!model || ease === 1) {\n                me._view = model;\n                me._start = null;\n                return me;\n            }\n\n            if (!view) {\n                view = me._view = {};\n            }\n\n            if (!start) {\n                start = me._start = {};\n            }\n\n            interpolate(start, view, model, ease);\n\n            return me;\n        },\n\n        tooltipPosition: function() {\n            return {\n                x: this._model.x,\n                y: this._model.y\n            };\n        },\n\n        hasValue: function() {\n            return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);\n        }\n    });\n\n    Element.extend = helpers.inherits;\n\n    module.exports = Element;\n\n},{\"2\":2,\"45\":45}],27:[function(require,module,exports){\n\t/* global window: false */\n\t/* global document: false */\n    'use strict';\n\n    var color = require(2);\n    var defaults = require(25);\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        // -- Basic js utility methods\n\n        helpers.extend = function(base) {\n            var setFn = function(value, key) {\n                base[key] = value;\n            };\n            for (var i = 1, ilen = arguments.length; i < ilen; i++) {\n                helpers.each(arguments[i], setFn);\n            }\n            return base;\n        };\n\n        helpers.configMerge = function(/* objects ... */) {\n            return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n                merger: function(key, target, source, options) {\n                    var tval = target[key] || {};\n                    var sval = source[key];\n\n                    if (key === 'scales') {\n                        // scale config merging is complex. Add our own function here for that\n                        target[key] = helpers.scaleMerge(tval, sval);\n                    } else if (key === 'scale') {\n                        // used in polar area & radar charts since there is only one scale\n                        target[key] = helpers.merge(tval, [Chart.scaleService.getScaleDefaults(sval.type), sval]);\n                    } else {\n                        helpers._merger(key, target, source, options);\n                    }\n                }\n            });\n        };\n\n        helpers.scaleMerge = function(/* objects ... */) {\n            return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n                merger: function(key, target, source, options) {\n                    if (key === 'xAxes' || key === 'yAxes') {\n                        var slen = source[key].length;\n                        var i, type, scale;\n\n                        if (!target[key]) {\n                            target[key] = [];\n                        }\n\n                        for (i = 0; i < slen; ++i) {\n                            scale = source[key][i];\n                            type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear');\n\n                            if (i >= target[key].length) {\n                                target[key].push({});\n                            }\n\n                            if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) {\n                                // new/untyped scale or type changed: let's apply the new defaults\n                                // then merge source scale to correctly overwrite the defaults.\n                                helpers.merge(target[key][i], [Chart.scaleService.getScaleDefaults(type), scale]);\n                            } else {\n                                // scales type are the same\n                                helpers.merge(target[key][i], scale);\n                            }\n                        }\n                    } else {\n                        helpers._merger(key, target, source, options);\n                    }\n                }\n            });\n        };\n\n        helpers.where = function(collection, filterCallback) {\n            if (helpers.isArray(collection) && Array.prototype.filter) {\n                return collection.filter(filterCallback);\n            }\n            var filtered = [];\n\n            helpers.each(collection, function(item) {\n                if (filterCallback(item)) {\n                    filtered.push(item);\n                }\n            });\n\n            return filtered;\n        };\n        helpers.findIndex = Array.prototype.findIndex ?\n            function(array, callback, scope) {\n                return array.findIndex(callback, scope);\n            } :\n            function(array, callback, scope) {\n                scope = scope === undefined ? array : scope;\n                for (var i = 0, ilen = array.length; i < ilen; ++i) {\n                    if (callback.call(scope, array[i], i, array)) {\n                        return i;\n                    }\n                }\n                return -1;\n            };\n        helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {\n            // Default to start of the array\n            if (helpers.isNullOrUndef(startIndex)) {\n                startIndex = -1;\n            }\n            for (var i = startIndex + 1; i < arrayToSearch.length; i++) {\n                var currentItem = arrayToSearch[i];\n                if (filterCallback(currentItem)) {\n                    return currentItem;\n                }\n            }\n        };\n        helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {\n            // Default to end of the array\n            if (helpers.isNullOrUndef(startIndex)) {\n                startIndex = arrayToSearch.length;\n            }\n            for (var i = startIndex - 1; i >= 0; i--) {\n                var currentItem = arrayToSearch[i];\n                if (filterCallback(currentItem)) {\n                    return currentItem;\n                }\n            }\n        };\n        helpers.inherits = function(extensions) {\n            // Basic javascript inheritance based on the model created in Backbone.js\n            var me = this;\n            var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {\n                return me.apply(this, arguments);\n            };\n\n            var Surrogate = function() {\n                this.constructor = ChartElement;\n            };\n            Surrogate.prototype = me.prototype;\n            ChartElement.prototype = new Surrogate();\n\n            ChartElement.extend = helpers.inherits;\n\n            if (extensions) {\n                helpers.extend(ChartElement.prototype, extensions);\n            }\n\n            ChartElement.__super__ = me.prototype;\n\n            return ChartElement;\n        };\n        // -- Math methods\n        helpers.isNumber = function(n) {\n            return !isNaN(parseFloat(n)) && isFinite(n);\n        };\n        helpers.almostEquals = function(x, y, epsilon) {\n            return Math.abs(x - y) < epsilon;\n        };\n        helpers.almostWhole = function(x, epsilon) {\n            var rounded = Math.round(x);\n            return (((rounded - epsilon) < x) && ((rounded + epsilon) > x));\n        };\n        helpers.max = function(array) {\n            return array.reduce(function(max, value) {\n                if (!isNaN(value)) {\n                    return Math.max(max, value);\n                }\n                return max;\n            }, Number.NEGATIVE_INFINITY);\n        };\n        helpers.min = function(array) {\n            return array.reduce(function(min, value) {\n                if (!isNaN(value)) {\n                    return Math.min(min, value);\n                }\n                return min;\n            }, Number.POSITIVE_INFINITY);\n        };\n        helpers.sign = Math.sign ?\n            function(x) {\n                return Math.sign(x);\n            } :\n            function(x) {\n                x = +x; // convert to a number\n                if (x === 0 || isNaN(x)) {\n                    return x;\n                }\n                return x > 0 ? 1 : -1;\n            };\n        helpers.log10 = Math.log10 ?\n            function(x) {\n                return Math.log10(x);\n            } :\n            function(x) {\n                return Math.log(x) / Math.LN10;\n            };\n        helpers.toRadians = function(degrees) {\n            return degrees * (Math.PI / 180);\n        };\n        helpers.toDegrees = function(radians) {\n            return radians * (180 / Math.PI);\n        };\n        // Gets the angle from vertical upright to the point about a centre.\n        helpers.getAngleFromPoint = function(centrePoint, anglePoint) {\n            var distanceFromXCenter = anglePoint.x - centrePoint.x;\n            var distanceFromYCenter = anglePoint.y - centrePoint.y;\n            var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);\n\n            var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);\n\n            if (angle < (-0.5 * Math.PI)) {\n                angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]\n            }\n\n            return {\n                angle: angle,\n                distance: radialDistanceFromCenter\n            };\n        };\n        helpers.distanceBetweenPoints = function(pt1, pt2) {\n            return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));\n        };\n        helpers.aliasPixel = function(pixelWidth) {\n            return (pixelWidth % 2 === 0) ? 0 : 0.5;\n        };\n        helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {\n            // Props to Rob Spencer at scaled innovation for his post on splining between points\n            // http://scaledinnovation.com/analytics/splines/aboutSplines.html\n\n            // This function must also respect \"skipped\" points\n\n            var previous = firstPoint.skip ? middlePoint : firstPoint;\n            var current = middlePoint;\n            var next = afterPoint.skip ? middlePoint : afterPoint;\n\n            var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));\n            var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));\n\n            var s01 = d01 / (d01 + d12);\n            var s12 = d12 / (d01 + d12);\n\n            // If all points are the same, s01 & s02 will be inf\n            s01 = isNaN(s01) ? 0 : s01;\n            s12 = isNaN(s12) ? 0 : s12;\n\n            var fa = t * s01; // scaling factor for triangle Ta\n            var fb = t * s12;\n\n            return {\n                previous: {\n                    x: current.x - fa * (next.x - previous.x),\n                    y: current.y - fa * (next.y - previous.y)\n                },\n                next: {\n                    x: current.x + fb * (next.x - previous.x),\n                    y: current.y + fb * (next.y - previous.y)\n                }\n            };\n        };\n        helpers.EPSILON = Number.EPSILON || 1e-14;\n        helpers.splineCurveMonotone = function(points) {\n            // This function calculates Bézier control points in a similar way than |splineCurve|,\n            // but preserves monotonicity of the provided data and ensures no local extremums are added\n            // between the dataset discrete points due to the interpolation.\n            // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation\n\n            var pointsWithTangents = (points || []).map(function(point) {\n                return {\n                    model: point._model,\n                    deltaK: 0,\n                    mK: 0\n                };\n            });\n\n            // Calculate slopes (deltaK) and initialize tangents (mK)\n            var pointsLen = pointsWithTangents.length;\n            var i, pointBefore, pointCurrent, pointAfter;\n            for (i = 0; i < pointsLen; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                if (pointCurrent.model.skip) {\n                    continue;\n                }\n\n                pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n                pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n                if (pointAfter && !pointAfter.model.skip) {\n                    var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x);\n\n                    // In the case of two points that appear at the same x pixel, slopeDeltaX is 0\n                    pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0;\n                }\n\n                if (!pointBefore || pointBefore.model.skip) {\n                    pointCurrent.mK = pointCurrent.deltaK;\n                } else if (!pointAfter || pointAfter.model.skip) {\n                    pointCurrent.mK = pointBefore.deltaK;\n                } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) {\n                    pointCurrent.mK = 0;\n                } else {\n                    pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;\n                }\n            }\n\n            // Adjust tangents to ensure monotonic properties\n            var alphaK, betaK, tauK, squaredMagnitude;\n            for (i = 0; i < pointsLen - 1; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                pointAfter = pointsWithTangents[i + 1];\n                if (pointCurrent.model.skip || pointAfter.model.skip) {\n                    continue;\n                }\n\n                if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) {\n                    pointCurrent.mK = pointAfter.mK = 0;\n                    continue;\n                }\n\n                alphaK = pointCurrent.mK / pointCurrent.deltaK;\n                betaK = pointAfter.mK / pointCurrent.deltaK;\n                squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);\n                if (squaredMagnitude <= 9) {\n                    continue;\n                }\n\n                tauK = 3 / Math.sqrt(squaredMagnitude);\n                pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK;\n                pointAfter.mK = betaK * tauK * pointCurrent.deltaK;\n            }\n\n            // Compute control points\n            var deltaX;\n            for (i = 0; i < pointsLen; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                if (pointCurrent.model.skip) {\n                    continue;\n                }\n\n                pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n                pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n                if (pointBefore && !pointBefore.model.skip) {\n                    deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3;\n                    pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX;\n                    pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK;\n                }\n                if (pointAfter && !pointAfter.model.skip) {\n                    deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3;\n                    pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX;\n                    pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK;\n                }\n            }\n        };\n        helpers.nextItem = function(collection, index, loop) {\n            if (loop) {\n                return index >= collection.length - 1 ? collection[0] : collection[index + 1];\n            }\n            return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];\n        };\n        helpers.previousItem = function(collection, index, loop) {\n            if (loop) {\n                return index <= 0 ? collection[collection.length - 1] : collection[index - 1];\n            }\n            return index <= 0 ? collection[0] : collection[index - 1];\n        };\n        // Implementation of the nice number algorithm used in determining where axis labels will go\n        helpers.niceNum = function(range, round) {\n            var exponent = Math.floor(helpers.log10(range));\n            var fraction = range / Math.pow(10, exponent);\n            var niceFraction;\n\n            if (round) {\n                if (fraction < 1.5) {\n                    niceFraction = 1;\n                } else if (fraction < 3) {\n                    niceFraction = 2;\n                } else if (fraction < 7) {\n                    niceFraction = 5;\n                } else {\n                    niceFraction = 10;\n                }\n            } else if (fraction <= 1.0) {\n                niceFraction = 1;\n            } else if (fraction <= 2) {\n                niceFraction = 2;\n            } else if (fraction <= 5) {\n                niceFraction = 5;\n            } else {\n                niceFraction = 10;\n            }\n\n            return niceFraction * Math.pow(10, exponent);\n        };\n        // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/\n        helpers.requestAnimFrame = (function() {\n            if (typeof window === 'undefined') {\n                return function(callback) {\n                    callback();\n                };\n            }\n            return window.requestAnimationFrame ||\n                window.webkitRequestAnimationFrame ||\n                window.mozRequestAnimationFrame ||\n                window.oRequestAnimationFrame ||\n                window.msRequestAnimationFrame ||\n                function(callback) {\n                    return window.setTimeout(callback, 1000 / 60);\n                };\n        }());\n        // -- DOM methods\n        helpers.getRelativePosition = function(evt, chart) {\n            var mouseX, mouseY;\n            var e = evt.originalEvent || evt;\n            var canvas = evt.currentTarget || evt.srcElement;\n            var boundingRect = canvas.getBoundingClientRect();\n\n            var touches = e.touches;\n            if (touches && touches.length > 0) {\n                mouseX = touches[0].clientX;\n                mouseY = touches[0].clientY;\n\n            } else {\n                mouseX = e.clientX;\n                mouseY = e.clientY;\n            }\n\n            // Scale mouse coordinates into canvas coordinates\n            // by following the pattern laid out by 'jerryj' in the comments of\n            // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/\n            var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left'));\n            var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top'));\n            var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right'));\n            var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom'));\n            var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;\n            var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;\n\n            // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However\n            // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here\n            mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);\n            mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);\n\n            return {\n                x: mouseX,\n                y: mouseY\n            };\n\n        };\n\n        // Private helper function to convert max-width/max-height values that may be percentages into a number\n        function parseMaxStyle(styleValue, node, parentProperty) {\n            var valueInPixels;\n            if (typeof styleValue === 'string') {\n                valueInPixels = parseInt(styleValue, 10);\n\n                if (styleValue.indexOf('%') !== -1) {\n                    // percentage * size in dimension\n                    valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];\n                }\n            } else {\n                valueInPixels = styleValue;\n            }\n\n            return valueInPixels;\n        }\n\n        /**\n         * Returns if the given value contains an effective constraint.\n         * @private\n         */\n        function isConstrainedValue(value) {\n            return value !== undefined && value !== null && value !== 'none';\n        }\n\n        // Private helper to get a constraint dimension\n        // @param domNode : the node to check the constraint on\n        // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight)\n        // @param percentageProperty : property of parent to use when calculating width as a percentage\n        // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser\n        function getConstraintDimension(domNode, maxStyle, percentageProperty) {\n            var view = document.defaultView;\n            var parentNode = domNode.parentNode;\n            var constrainedNode = view.getComputedStyle(domNode)[maxStyle];\n            var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle];\n            var hasCNode = isConstrainedValue(constrainedNode);\n            var hasCContainer = isConstrainedValue(constrainedContainer);\n            var infinity = Number.POSITIVE_INFINITY;\n\n            if (hasCNode || hasCContainer) {\n                return Math.min(\n                    hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity,\n                    hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity);\n            }\n\n            return 'none';\n        }\n        // returns Number or undefined if no constraint\n        helpers.getConstraintWidth = function(domNode) {\n            return getConstraintDimension(domNode, 'max-width', 'clientWidth');\n        };\n        // returns Number or undefined if no constraint\n        helpers.getConstraintHeight = function(domNode) {\n            return getConstraintDimension(domNode, 'max-height', 'clientHeight');\n        };\n        helpers.getMaximumWidth = function(domNode) {\n            var container = domNode.parentNode;\n            if (!container) {\n                return domNode.clientWidth;\n            }\n\n            var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10);\n            var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10);\n            var w = container.clientWidth - paddingLeft - paddingRight;\n            var cw = helpers.getConstraintWidth(domNode);\n            return isNaN(cw) ? w : Math.min(w, cw);\n        };\n        helpers.getMaximumHeight = function(domNode) {\n            var container = domNode.parentNode;\n            if (!container) {\n                return domNode.clientHeight;\n            }\n\n            var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10);\n            var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10);\n            var h = container.clientHeight - paddingTop - paddingBottom;\n            var ch = helpers.getConstraintHeight(domNode);\n            return isNaN(ch) ? h : Math.min(h, ch);\n        };\n        helpers.getStyle = function(el, property) {\n            return el.currentStyle ?\n                el.currentStyle[property] :\n                document.defaultView.getComputedStyle(el, null).getPropertyValue(property);\n        };\n        helpers.retinaScale = function(chart, forceRatio) {\n            var pixelRatio = chart.currentDevicePixelRatio = forceRatio || window.devicePixelRatio || 1;\n            if (pixelRatio === 1) {\n                return;\n            }\n\n            var canvas = chart.canvas;\n            var height = chart.height;\n            var width = chart.width;\n\n            canvas.height = height * pixelRatio;\n            canvas.width = width * pixelRatio;\n            chart.ctx.scale(pixelRatio, pixelRatio);\n\n            // If no style has been set on the canvas, the render size is used as display size,\n            // making the chart visually bigger, so let's enforce it to the \"correct\" values.\n            // See https://github.com/chartjs/Chart.js/issues/3575\n            canvas.style.height = height + 'px';\n            canvas.style.width = width + 'px';\n        };\n        // -- Canvas methods\n        helpers.fontString = function(pixelSize, fontStyle, fontFamily) {\n            return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;\n        };\n        helpers.longestText = function(ctx, font, arrayOfThings, cache) {\n            cache = cache || {};\n            var data = cache.data = cache.data || {};\n            var gc = cache.garbageCollect = cache.garbageCollect || [];\n\n            if (cache.font !== font) {\n                data = cache.data = {};\n                gc = cache.garbageCollect = [];\n                cache.font = font;\n            }\n\n            ctx.font = font;\n            var longest = 0;\n            helpers.each(arrayOfThings, function(thing) {\n                // Undefined strings and arrays should not be measured\n                if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) {\n                    longest = helpers.measureText(ctx, data, gc, longest, thing);\n                } else if (helpers.isArray(thing)) {\n                    // if it is an array lets measure each element\n                    // to do maybe simplify this function a bit so we can do this more recursively?\n                    helpers.each(thing, function(nestedThing) {\n                        // Undefined strings and arrays should not be measured\n                        if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) {\n                            longest = helpers.measureText(ctx, data, gc, longest, nestedThing);\n                        }\n                    });\n                }\n            });\n\n            var gcLen = gc.length / 2;\n            if (gcLen > arrayOfThings.length) {\n                for (var i = 0; i < gcLen; i++) {\n                    delete data[gc[i]];\n                }\n                gc.splice(0, gcLen);\n            }\n            return longest;\n        };\n        helpers.measureText = function(ctx, data, gc, longest, string) {\n            var textWidth = data[string];\n            if (!textWidth) {\n                textWidth = data[string] = ctx.measureText(string).width;\n                gc.push(string);\n            }\n            if (textWidth > longest) {\n                longest = textWidth;\n            }\n            return longest;\n        };\n        helpers.numberOfLabelLines = function(arrayOfThings) {\n            var numberOfLines = 1;\n            helpers.each(arrayOfThings, function(thing) {\n                if (helpers.isArray(thing)) {\n                    if (thing.length > numberOfLines) {\n                        numberOfLines = thing.length;\n                    }\n                }\n            });\n            return numberOfLines;\n        };\n\n        helpers.color = !color ?\n            function(value) {\n                console.error('Color.js not found!');\n                return value;\n            } :\n            function(value) {\n\t\t\t\t/* global CanvasGradient */\n                if (value instanceof CanvasGradient) {\n                    value = defaults.global.defaultColor;\n                }\n\n                return color(value);\n            };\n\n        helpers.getHoverColor = function(colorValue) {\n\t\t\t/* global CanvasPattern */\n            return (colorValue instanceof CanvasPattern) ?\n                colorValue :\n                helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString();\n        };\n    };\n\n},{\"2\":2,\"25\":25,\"45\":45}],28:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    /**\n     * Helper function to get relative position for an event\n     * @param {Event|IEvent} event - The event to get the position for\n     * @param {Chart} chart - The chart\n     * @returns {Point} the event position\n     */\n    function getRelativePosition(e, chart) {\n        if (e.native) {\n            return {\n                x: e.x,\n                y: e.y\n            };\n        }\n\n        return helpers.getRelativePosition(e, chart);\n    }\n\n    /**\n     * Helper function to traverse all of the visible elements in the chart\n     * @param chart {chart} the chart\n     * @param handler {Function} the callback to execute for each visible item\n     */\n    function parseVisibleItems(chart, handler) {\n        var datasets = chart.data.datasets;\n        var meta, i, j, ilen, jlen;\n\n        for (i = 0, ilen = datasets.length; i < ilen; ++i) {\n            if (!chart.isDatasetVisible(i)) {\n                continue;\n            }\n\n            meta = chart.getDatasetMeta(i);\n            for (j = 0, jlen = meta.data.length; j < jlen; ++j) {\n                var element = meta.data[j];\n                if (!element._view.skip) {\n                    handler(element);\n                }\n            }\n        }\n    }\n\n    /**\n     * Helper function to get the items that intersect the event position\n     * @param items {ChartElement[]} elements to filter\n     * @param position {Point} the point to be nearest to\n     * @return {ChartElement[]} the nearest items\n     */\n    function getIntersectItems(chart, position) {\n        var elements = [];\n\n        parseVisibleItems(chart, function(element) {\n            if (element.inRange(position.x, position.y)) {\n                elements.push(element);\n            }\n        });\n\n        return elements;\n    }\n\n    /**\n     * Helper function to get the items nearest to the event position considering all visible items in teh chart\n     * @param chart {Chart} the chart to look at elements from\n     * @param position {Point} the point to be nearest to\n     * @param intersect {Boolean} if true, only consider items that intersect the position\n     * @param distanceMetric {Function} function to provide the distance between points\n     * @return {ChartElement[]} the nearest items\n     */\n    function getNearestItems(chart, position, intersect, distanceMetric) {\n        var minDistance = Number.POSITIVE_INFINITY;\n        var nearestItems = [];\n\n        parseVisibleItems(chart, function(element) {\n            if (intersect && !element.inRange(position.x, position.y)) {\n                return;\n            }\n\n            var center = element.getCenterPoint();\n            var distance = distanceMetric(position, center);\n\n            if (distance < minDistance) {\n                nearestItems = [element];\n                minDistance = distance;\n            } else if (distance === minDistance) {\n                // Can have multiple items at the same distance in which case we sort by size\n                nearestItems.push(element);\n            }\n        });\n\n        return nearestItems;\n    }\n\n    /**\n     * Get a distance metric function for two points based on the\n     * axis mode setting\n     * @param {String} axis the axis mode. x|y|xy\n     */\n    function getDistanceMetricForAxis(axis) {\n        var useX = axis.indexOf('x') !== -1;\n        var useY = axis.indexOf('y') !== -1;\n\n        return function(pt1, pt2) {\n            var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\n            var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\n            return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\n        };\n    }\n\n    function indexMode(chart, e, options) {\n        var position = getRelativePosition(e, chart);\n        // Default axis for index mode is 'x' to match old behaviour\n        options.axis = options.axis || 'x';\n        var distanceMetric = getDistanceMetricForAxis(options.axis);\n        var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n        var elements = [];\n\n        if (!items.length) {\n            return [];\n        }\n\n        chart.data.datasets.forEach(function(dataset, datasetIndex) {\n            if (chart.isDatasetVisible(datasetIndex)) {\n                var meta = chart.getDatasetMeta(datasetIndex);\n                var element = meta.data[items[0]._index];\n\n                // don't count items that are skipped (null data)\n                if (element && !element._view.skip) {\n                    elements.push(element);\n                }\n            }\n        });\n\n        return elements;\n    }\n\n    /**\n     * @interface IInteractionOptions\n     */\n    /**\n     * If true, only consider items that intersect the point\n     * @name IInterfaceOptions#boolean\n     * @type Boolean\n     */\n\n    /**\n     * Contains interaction related functions\n     * @namespace Chart.Interaction\n     */\n    module.exports = {\n        // Helper function for different modes\n        modes: {\n            single: function(chart, e) {\n                var position = getRelativePosition(e, chart);\n                var elements = [];\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inRange(position.x, position.y)) {\n                        elements.push(element);\n                        return elements;\n                    }\n                });\n\n                return elements.slice(0, 1);\n            },\n\n            /**\n             * @function Chart.Interaction.modes.label\n             * @deprecated since version 2.4.0\n             * @todo remove at version 3\n             * @private\n             */\n            label: indexMode,\n\n            /**\n             * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something\n             * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item\n             * @function Chart.Interaction.modes.index\n             * @since v2.4.0\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use during interaction\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            index: indexMode,\n\n            /**\n             * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something\n             * If the options.intersect is false, we find the nearest item and return the items in that dataset\n             * @function Chart.Interaction.modes.dataset\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use during interaction\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            dataset: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                options.axis = options.axis || 'xy';\n                var distanceMetric = getDistanceMetricForAxis(options.axis);\n                var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n\n                if (items.length > 0) {\n                    items = chart.getDatasetMeta(items[0]._datasetIndex).data;\n                }\n\n                return items;\n            },\n\n            /**\n             * @function Chart.Interaction.modes.x-axis\n             * @deprecated since version 2.4.0. Use index mode and intersect == true\n             * @todo remove at version 3\n             * @private\n             */\n            'x-axis': function(chart, e) {\n                return indexMode(chart, e, {intersect: true});\n            },\n\n            /**\n             * Point mode returns all elements that hit test based on the event position\n             * of the event\n             * @function Chart.Interaction.modes.intersect\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            point: function(chart, e) {\n                var position = getRelativePosition(e, chart);\n                return getIntersectItems(chart, position);\n            },\n\n            /**\n             * nearest mode returns the element closest to the point\n             * @function Chart.Interaction.modes.intersect\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            nearest: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                options.axis = options.axis || 'xy';\n                var distanceMetric = getDistanceMetricForAxis(options.axis);\n                var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric);\n\n                // We have multiple items at the same distance from the event. Now sort by smallest\n                if (nearestItems.length > 1) {\n                    nearestItems.sort(function(a, b) {\n                        var sizeA = a.getArea();\n                        var sizeB = b.getArea();\n                        var ret = sizeA - sizeB;\n\n                        if (ret === 0) {\n                            // if equal sort by dataset index\n                            ret = a._datasetIndex - b._datasetIndex;\n                        }\n\n                        return ret;\n                    });\n                }\n\n                // Return only 1 item\n                return nearestItems.slice(0, 1);\n            },\n\n            /**\n             * x mode returns the elements that hit-test at the current x coordinate\n             * @function Chart.Interaction.modes.x\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            x: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                var items = [];\n                var intersectsItem = false;\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inXRange(position.x)) {\n                        items.push(element);\n                    }\n\n                    if (element.inRange(position.x, position.y)) {\n                        intersectsItem = true;\n                    }\n                });\n\n                // If we want to trigger on an intersect and we don't have any items\n                // that intersect the position, return nothing\n                if (options.intersect && !intersectsItem) {\n                    items = [];\n                }\n                return items;\n            },\n\n            /**\n             * y mode returns the elements that hit-test at the current y coordinate\n             * @function Chart.Interaction.modes.y\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            y: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                var items = [];\n                var intersectsItem = false;\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inYRange(position.y)) {\n                        items.push(element);\n                    }\n\n                    if (element.inRange(position.x, position.y)) {\n                        intersectsItem = true;\n                    }\n                });\n\n                // If we want to trigger on an intersect and we don't have any items\n                // that intersect the position, return nothing\n                if (options.intersect && !intersectsItem) {\n                    items = [];\n                }\n                return items;\n            }\n        }\n    };\n\n},{\"45\":45}],29:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n\n    defaults._set('global', {\n        responsive: true,\n        responsiveAnimationDuration: 0,\n        maintainAspectRatio: true,\n        events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'],\n        hover: {\n            onHover: null,\n            mode: 'nearest',\n            intersect: true,\n            animationDuration: 400\n        },\n        onClick: null,\n        defaultColor: 'rgba(0,0,0,0.1)',\n        defaultFontColor: '#666',\n        defaultFontFamily: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\n        defaultFontSize: 12,\n        defaultFontStyle: 'normal',\n        showLines: true,\n\n        // Element defaults defined in element extensions\n        elements: {},\n\n        // Layout options such as padding\n        layout: {\n            padding: {\n                top: 0,\n                right: 0,\n                bottom: 0,\n                left: 0\n            }\n        }\n    });\n\n    module.exports = function() {\n\n        // Occupy the global variable of Chart, and create a simple base class\n        var Chart = function(item, config) {\n            this.construct(item, config);\n            return this;\n        };\n\n        Chart.Chart = Chart;\n\n        return Chart;\n    };\n\n},{\"25\":25}],30:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        function filterByPosition(array, position) {\n            return helpers.where(array, function(v) {\n                return v.position === position;\n            });\n        }\n\n        function sortByWeight(array, reverse) {\n            array.forEach(function(v, i) {\n                v._tmpIndex_ = i;\n                return v;\n            });\n            array.sort(function(a, b) {\n                var v0 = reverse ? b : a;\n                var v1 = reverse ? a : b;\n                return v0.weight === v1.weight ?\n                    v0._tmpIndex_ - v1._tmpIndex_ :\n                    v0.weight - v1.weight;\n            });\n            array.forEach(function(v) {\n                delete v._tmpIndex_;\n            });\n        }\n\n        /**\n         * @interface ILayoutItem\n         * @prop {String} position - The position of the item in the chart layout. Possible values are\n         * 'left', 'top', 'right', 'bottom', and 'chartArea'\n         * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area\n         * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down\n         * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)\n         * @prop {Function} update - Takes two parameters: width and height. Returns size of item\n         * @prop {Function} getPadding -  Returns an object with padding on the edges\n         * @prop {Number} width - Width of item. Must be valid after update()\n         * @prop {Number} height - Height of item. Must be valid after update()\n         * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update\n         */\n\n        // The layout service is very self explanatory.  It's responsible for the layout within a chart.\n        // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need\n        // It is this service's responsibility of carrying out that layout.\n        Chart.layoutService = {\n            defaults: {},\n\n            /**\n             * Register a box to a chart.\n             * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.\n             * @param {Chart} chart - the chart to use\n             * @param {ILayoutItem} item - the item to add to be layed out\n             */\n            addBox: function(chart, item) {\n                if (!chart.boxes) {\n                    chart.boxes = [];\n                }\n\n                // initialize item with default values\n                item.fullWidth = item.fullWidth || false;\n                item.position = item.position || 'top';\n                item.weight = item.weight || 0;\n\n                chart.boxes.push(item);\n            },\n\n            /**\n             * Remove a layoutItem from a chart\n             * @param {Chart} chart - the chart to remove the box from\n             * @param {Object} layoutItem - the item to remove from the layout\n             */\n            removeBox: function(chart, layoutItem) {\n                var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\n                if (index !== -1) {\n                    chart.boxes.splice(index, 1);\n                }\n            },\n\n            /**\n             * Sets (or updates) options on the given `item`.\n             * @param {Chart} chart - the chart in which the item lives (or will be added to)\n             * @param {Object} item - the item to configure with the given options\n             * @param {Object} options - the new item options.\n             */\n            configure: function(chart, item, options) {\n                var props = ['fullWidth', 'position', 'weight'];\n                var ilen = props.length;\n                var i = 0;\n                var prop;\n\n                for (; i < ilen; ++i) {\n                    prop = props[i];\n                    if (options.hasOwnProperty(prop)) {\n                        item[prop] = options[prop];\n                    }\n                }\n            },\n\n            /**\n             * Fits boxes of the given chart into the given size by having each box measure itself\n             * then running a fitting algorithm\n             * @param {Chart} chart - the chart\n             * @param {Number} width - the width to fit into\n             * @param {Number} height - the height to fit into\n             */\n            update: function(chart, width, height) {\n                if (!chart) {\n                    return;\n                }\n\n                var layoutOptions = chart.options.layout || {};\n                var padding = helpers.options.toPadding(layoutOptions.padding);\n                var leftPadding = padding.left;\n                var rightPadding = padding.right;\n                var topPadding = padding.top;\n                var bottomPadding = padding.bottom;\n\n                var leftBoxes = filterByPosition(chart.boxes, 'left');\n                var rightBoxes = filterByPosition(chart.boxes, 'right');\n                var topBoxes = filterByPosition(chart.boxes, 'top');\n                var bottomBoxes = filterByPosition(chart.boxes, 'bottom');\n                var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea');\n\n                // Sort boxes by weight. A higher weight is further away from the chart area\n                sortByWeight(leftBoxes, true);\n                sortByWeight(rightBoxes, false);\n                sortByWeight(topBoxes, true);\n                sortByWeight(bottomBoxes, false);\n\n                // Essentially we now have any number of boxes on each of the 4 sides.\n                // Our canvas looks like the following.\n                // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and\n                // B1 is the bottom axis\n                // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays\n                // These locations are single-box locations only, when trying to register a chartArea location that is already taken,\n                // an error will be thrown.\n                //\n                // |----------------------------------------------------|\n                // |                  T1 (Full Width)                   |\n                // |----------------------------------------------------|\n                // |    |    |                 T2                  |    |\n                // |    |----|-------------------------------------|----|\n                // |    |    | C1 |                           | C2 |    |\n                // |    |    |----|                           |----|    |\n                // |    |    |                                     |    |\n                // | L1 | L2 |           ChartArea (C0)            | R1 |\n                // |    |    |                                     |    |\n                // |    |    |----|                           |----|    |\n                // |    |    | C3 |                           | C4 |    |\n                // |    |----|-------------------------------------|----|\n                // |    |    |                 B1                  |    |\n                // |----------------------------------------------------|\n                // |                  B2 (Full Width)                   |\n                // |----------------------------------------------------|\n                //\n                // What we do to find the best sizing, we do the following\n                // 1. Determine the minimum size of the chart area.\n                // 2. Split the remaining width equally between each vertical axis\n                // 3. Split the remaining height equally between each horizontal axis\n                // 4. Give each layout the maximum size it can be. The layout will return it's minimum size\n                // 5. Adjust the sizes of each axis based on it's minimum reported size.\n                // 6. Refit each axis\n                // 7. Position each axis in the final location\n                // 8. Tell the chart the final location of the chart area\n                // 9. Tell any axes that overlay the chart area the positions of the chart area\n\n                // Step 1\n                var chartWidth = width - leftPadding - rightPadding;\n                var chartHeight = height - topPadding - bottomPadding;\n                var chartAreaWidth = chartWidth / 2; // min 50%\n                var chartAreaHeight = chartHeight / 2; // min 50%\n\n                // Step 2\n                var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length);\n\n                // Step 3\n                var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length);\n\n                // Step 4\n                var maxChartAreaWidth = chartWidth;\n                var maxChartAreaHeight = chartHeight;\n                var minBoxSizes = [];\n\n                function getMinimumBoxSize(box) {\n                    var minSize;\n                    var isHorizontal = box.isHorizontal();\n\n                    if (isHorizontal) {\n                        minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);\n                        maxChartAreaHeight -= minSize.height;\n                    } else {\n                        minSize = box.update(verticalBoxWidth, chartAreaHeight);\n                        maxChartAreaWidth -= minSize.width;\n                    }\n\n                    minBoxSizes.push({\n                        horizontal: isHorizontal,\n                        minSize: minSize,\n                        box: box,\n                    });\n                }\n\n                helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize);\n\n                // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478)\n                var maxHorizontalLeftPadding = 0;\n                var maxHorizontalRightPadding = 0;\n                var maxVerticalTopPadding = 0;\n                var maxVerticalBottomPadding = 0;\n\n                helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) {\n                    if (horizontalBox.getPadding) {\n                        var boxPadding = horizontalBox.getPadding();\n                        maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left);\n                        maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right);\n                    }\n                });\n\n                helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) {\n                    if (verticalBox.getPadding) {\n                        var boxPadding = verticalBox.getPadding();\n                        maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top);\n                        maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom);\n                    }\n                });\n\n                // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could\n                // be if the axes are drawn at their minimum sizes.\n                // Steps 5 & 6\n                var totalLeftBoxesWidth = leftPadding;\n                var totalRightBoxesWidth = rightPadding;\n                var totalTopBoxesHeight = topPadding;\n                var totalBottomBoxesHeight = bottomPadding;\n\n                // Function to fit a box\n                function fitBox(box) {\n                    var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) {\n                        return minBox.box === box;\n                    });\n\n                    if (minBoxSize) {\n                        if (box.isHorizontal()) {\n                            var scaleMargin = {\n                                left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding),\n                                right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding),\n                                top: 0,\n                                bottom: 0\n                            };\n\n                            // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends\n                            // on the margin. Sometimes they need to increase in size slightly\n                            box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin);\n                        } else {\n                            box.update(minBoxSize.minSize.width, maxChartAreaHeight);\n                        }\n                    }\n                }\n\n                // Update, and calculate the left and right margins for the horizontal boxes\n                helpers.each(leftBoxes.concat(rightBoxes), fitBox);\n\n                helpers.each(leftBoxes, function(box) {\n                    totalLeftBoxesWidth += box.width;\n                });\n\n                helpers.each(rightBoxes, function(box) {\n                    totalRightBoxesWidth += box.width;\n                });\n\n                // Set the Left and Right margins for the horizontal boxes\n                helpers.each(topBoxes.concat(bottomBoxes), fitBox);\n\n                // Figure out how much margin is on the top and bottom of the vertical boxes\n                helpers.each(topBoxes, function(box) {\n                    totalTopBoxesHeight += box.height;\n                });\n\n                helpers.each(bottomBoxes, function(box) {\n                    totalBottomBoxesHeight += box.height;\n                });\n\n                function finalFitVerticalBox(box) {\n                    var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) {\n                        return minSize.box === box;\n                    });\n\n                    var scaleMargin = {\n                        left: 0,\n                        right: 0,\n                        top: totalTopBoxesHeight,\n                        bottom: totalBottomBoxesHeight\n                    };\n\n                    if (minBoxSize) {\n                        box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin);\n                    }\n                }\n\n                // Let the left layout know the final margin\n                helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox);\n\n                // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance)\n                totalLeftBoxesWidth = leftPadding;\n                totalRightBoxesWidth = rightPadding;\n                totalTopBoxesHeight = topPadding;\n                totalBottomBoxesHeight = bottomPadding;\n\n                helpers.each(leftBoxes, function(box) {\n                    totalLeftBoxesWidth += box.width;\n                });\n\n                helpers.each(rightBoxes, function(box) {\n                    totalRightBoxesWidth += box.width;\n                });\n\n                helpers.each(topBoxes, function(box) {\n                    totalTopBoxesHeight += box.height;\n                });\n                helpers.each(bottomBoxes, function(box) {\n                    totalBottomBoxesHeight += box.height;\n                });\n\n                // We may be adding some padding to account for rotated x axis labels\n                var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0);\n                totalLeftBoxesWidth += leftPaddingAddition;\n                totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0);\n\n                var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0);\n                totalTopBoxesHeight += topPaddingAddition;\n                totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0);\n\n                // Figure out if our chart area changed. This would occur if the dataset layout label rotation\n                // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do\n                // without calling `fit` again\n                var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight;\n                var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth;\n\n                if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) {\n                    helpers.each(leftBoxes, function(box) {\n                        box.height = newMaxChartAreaHeight;\n                    });\n\n                    helpers.each(rightBoxes, function(box) {\n                        box.height = newMaxChartAreaHeight;\n                    });\n\n                    helpers.each(topBoxes, function(box) {\n                        if (!box.fullWidth) {\n                            box.width = newMaxChartAreaWidth;\n                        }\n                    });\n\n                    helpers.each(bottomBoxes, function(box) {\n                        if (!box.fullWidth) {\n                            box.width = newMaxChartAreaWidth;\n                        }\n                    });\n\n                    maxChartAreaHeight = newMaxChartAreaHeight;\n                    maxChartAreaWidth = newMaxChartAreaWidth;\n                }\n\n                // Step 7 - Position the boxes\n                var left = leftPadding + leftPaddingAddition;\n                var top = topPadding + topPaddingAddition;\n\n                function placeBox(box) {\n                    if (box.isHorizontal()) {\n                        box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth;\n                        box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth;\n                        box.top = top;\n                        box.bottom = top + box.height;\n\n                        // Move to next point\n                        top = box.bottom;\n\n                    } else {\n\n                        box.left = left;\n                        box.right = left + box.width;\n                        box.top = totalTopBoxesHeight;\n                        box.bottom = totalTopBoxesHeight + maxChartAreaHeight;\n\n                        // Move to next point\n                        left = box.right;\n                    }\n                }\n\n                helpers.each(leftBoxes.concat(topBoxes), placeBox);\n\n                // Account for chart width and height\n                left += maxChartAreaWidth;\n                top += maxChartAreaHeight;\n\n                helpers.each(rightBoxes, placeBox);\n                helpers.each(bottomBoxes, placeBox);\n\n                // Step 8\n                chart.chartArea = {\n                    left: totalLeftBoxesWidth,\n                    top: totalTopBoxesHeight,\n                    right: totalLeftBoxesWidth + maxChartAreaWidth,\n                    bottom: totalTopBoxesHeight + maxChartAreaHeight\n                };\n\n                // Step 9\n                helpers.each(chartAreaBoxes, function(box) {\n                    box.left = chart.chartArea.left;\n                    box.top = chart.chartArea.top;\n                    box.right = chart.chartArea.right;\n                    box.bottom = chart.chartArea.bottom;\n\n                    box.update(maxChartAreaWidth, maxChartAreaHeight);\n                });\n            }\n        };\n    };\n\n},{\"45\":45}],31:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        plugins: {}\n    });\n\n    module.exports = function(Chart) {\n\n        /**\n         * The plugin service singleton\n         * @namespace Chart.plugins\n         * @since 2.1.0\n         */\n        Chart.plugins = {\n            /**\n             * Globally registered plugins.\n             * @private\n             */\n            _plugins: [],\n\n            /**\n             * This identifier is used to invalidate the descriptors cache attached to each chart\n             * when a global plugin is registered or unregistered. In this case, the cache ID is\n             * incremented and descriptors are regenerated during following API calls.\n             * @private\n             */\n            _cacheId: 0,\n\n            /**\n             * Registers the given plugin(s) if not already registered.\n             * @param {Array|Object} plugins plugin instance(s).\n             */\n            register: function(plugins) {\n                var p = this._plugins;\n                ([]).concat(plugins).forEach(function(plugin) {\n                    if (p.indexOf(plugin) === -1) {\n                        p.push(plugin);\n                    }\n                });\n\n                this._cacheId++;\n            },\n\n            /**\n             * Unregisters the given plugin(s) only if registered.\n             * @param {Array|Object} plugins plugin instance(s).\n             */\n            unregister: function(plugins) {\n                var p = this._plugins;\n                ([]).concat(plugins).forEach(function(plugin) {\n                    var idx = p.indexOf(plugin);\n                    if (idx !== -1) {\n                        p.splice(idx, 1);\n                    }\n                });\n\n                this._cacheId++;\n            },\n\n            /**\n             * Remove all registered plugins.\n             * @since 2.1.5\n             */\n            clear: function() {\n                this._plugins = [];\n                this._cacheId++;\n            },\n\n            /**\n             * Returns the number of registered plugins?\n             * @returns {Number}\n             * @since 2.1.5\n             */\n            count: function() {\n                return this._plugins.length;\n            },\n\n            /**\n             * Returns all registered plugin instances.\n             * @returns {Array} array of plugin objects.\n             * @since 2.1.5\n             */\n            getAll: function() {\n                return this._plugins;\n            },\n\n            /**\n             * Calls enabled plugins for `chart` on the specified hook and with the given args.\n             * This method immediately returns as soon as a plugin explicitly returns false. The\n             * returned value can be used, for instance, to interrupt the current action.\n             * @param {Object} chart - The chart instance for which plugins should be called.\n             * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate').\n             * @param {Array} [args] - Extra arguments to apply to the hook call.\n             * @returns {Boolean} false if any of the plugins return false, else returns true.\n             */\n            notify: function(chart, hook, args) {\n                var descriptors = this.descriptors(chart);\n                var ilen = descriptors.length;\n                var i, descriptor, plugin, params, method;\n\n                for (i = 0; i < ilen; ++i) {\n                    descriptor = descriptors[i];\n                    plugin = descriptor.plugin;\n                    method = plugin[hook];\n                    if (typeof method === 'function') {\n                        params = [chart].concat(args || []);\n                        params.push(descriptor.options);\n                        if (method.apply(plugin, params) === false) {\n                            return false;\n                        }\n                    }\n                }\n\n                return true;\n            },\n\n            /**\n             * Returns descriptors of enabled plugins for the given chart.\n             * @returns {Array} [{ plugin, options }]\n             * @private\n             */\n            descriptors: function(chart) {\n                var cache = chart._plugins || (chart._plugins = {});\n                if (cache.id === this._cacheId) {\n                    return cache.descriptors;\n                }\n\n                var plugins = [];\n                var descriptors = [];\n                var config = (chart && chart.config) || {};\n                var options = (config.options && config.options.plugins) || {};\n\n                this._plugins.concat(config.plugins || []).forEach(function(plugin) {\n                    var idx = plugins.indexOf(plugin);\n                    if (idx !== -1) {\n                        return;\n                    }\n\n                    var id = plugin.id;\n                    var opts = options[id];\n                    if (opts === false) {\n                        return;\n                    }\n\n                    if (opts === true) {\n                        opts = helpers.clone(defaults.global.plugins[id]);\n                    }\n\n                    plugins.push(plugin);\n                    descriptors.push({\n                        plugin: plugin,\n                        options: opts || {}\n                    });\n                });\n\n                cache.descriptors = descriptors;\n                cache.id = this._cacheId;\n                return descriptors;\n            }\n        };\n\n        /**\n         * Plugin extension hooks.\n         * @interface IPlugin\n         * @since 2.1.0\n         */\n        /**\n         * @method IPlugin#beforeInit\n         * @desc Called before initializing `chart`.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#afterInit\n         * @desc Called after `chart` has been initialized and before the first update.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeUpdate\n         * @desc Called before updating `chart`. If any plugin returns `false`, the update\n         * is cancelled (and thus subsequent render(s)) until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart update.\n         */\n        /**\n         * @method IPlugin#afterUpdate\n         * @desc Called after `chart` has been updated and before rendering. Note that this\n         * hook will not be called if the chart update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetsUpdate\n         * @desc Called before updating the `chart` datasets. If any plugin returns `false`,\n         * the datasets update is cancelled until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} false to cancel the datasets update.\n         * @since version 2.1.5\n         */\n        /**\n         * @method IPlugin#afterDatasetsUpdate\n         * @desc Called after the `chart` datasets have been updated. Note that this hook\n         * will not be called if the datasets update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @since version 2.1.5\n         */\n        /**\n         * @method IPlugin#beforeDatasetUpdate\n         * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin\n         * returns `false`, the datasets update is cancelled until another `update` is triggered.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetUpdate\n         * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note\n         * that this hook will not be called if the datasets update has been previously cancelled.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeLayout\n         * @desc Called before laying out `chart`. If any plugin returns `false`,\n         * the layout update is cancelled until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart layout.\n         */\n        /**\n         * @method IPlugin#afterLayout\n         * @desc Called after the `chart` has been layed out. Note that this hook will not\n         * be called if the layout update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeRender\n         * @desc Called before rendering `chart`. If any plugin returns `false`,\n         * the rendering is cancelled until another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart rendering.\n         */\n        /**\n         * @method IPlugin#afterRender\n         * @desc Called after the `chart` has been fully rendered (and animation completed). Note\n         * that this hook will not be called if the rendering has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDraw\n         * @desc Called before drawing `chart` at every animation frame specified by the given\n         * easing value. If any plugin returns `false`, the frame drawing is cancelled until\n         * another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart drawing.\n         */\n        /**\n         * @method IPlugin#afterDraw\n         * @desc Called after the `chart` has been drawn for the specific easing value. Note\n         * that this hook will not be called if the drawing has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetsDraw\n         * @desc Called before drawing the `chart` datasets. If any plugin returns `false`,\n         * the datasets drawing is cancelled until another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetsDraw\n         * @desc Called after the `chart` datasets have been drawn. Note that this hook\n         * will not be called if the datasets drawing has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetDraw\n         * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets\n         * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing\n         * is cancelled until another `render` is triggered.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetDraw\n         * @desc Called after the `chart` datasets at the given `args.index` have been drawn\n         * (datasets are drawn in the reverse order). Note that this hook will not be called\n         * if the datasets drawing has been previously cancelled.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeEvent\n         * @desc Called before processing the specified `event`. If any plugin returns `false`,\n         * the event will be discarded.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {IEvent} event - The event object.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#afterEvent\n         * @desc Called after the `event` has been consumed. Note that this hook\n         * will not be called if the `event` has been previously discarded.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {IEvent} event - The event object.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#resize\n         * @desc Called after the chart as been resized.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} size - The new canvas display size (eq. canvas.style width & height).\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#destroy\n         * @desc Called after the chart as been destroyed.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n\n        /**\n         * Provided for backward compatibility, use Chart.plugins instead\n         * @namespace Chart.pluginService\n         * @deprecated since version 2.1.5\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.pluginService = Chart.plugins;\n\n        /**\n         * Provided for backward compatibility, inheriting from Chart.PlugingBase has no\n         * effect, instead simply create/register plugins via plain JavaScript objects.\n         * @interface Chart.PluginBase\n         * @deprecated since version 2.5.0\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.PluginBase = Element.extend({});\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],32:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    defaults._set('scale', {\n        display: true,\n        position: 'left',\n        offset: false,\n\n        // grid line settings\n        gridLines: {\n            display: true,\n            color: 'rgba(0, 0, 0, 0.1)',\n            lineWidth: 1,\n            drawBorder: true,\n            drawOnChartArea: true,\n            drawTicks: true,\n            tickMarkLength: 10,\n            zeroLineWidth: 1,\n            zeroLineColor: 'rgba(0,0,0,0.25)',\n            zeroLineBorderDash: [],\n            zeroLineBorderDashOffset: 0.0,\n            offsetGridLines: false,\n            borderDash: [],\n            borderDashOffset: 0.0\n        },\n\n        // scale label\n        scaleLabel: {\n            // display property\n            display: false,\n\n            // actual label\n            labelString: '',\n\n            // line height\n            lineHeight: 1.2,\n\n            // top/bottom padding\n            padding: {\n                top: 4,\n                bottom: 4\n            }\n        },\n\n        // label settings\n        ticks: {\n            beginAtZero: false,\n            minRotation: 0,\n            maxRotation: 50,\n            mirror: false,\n            padding: 0,\n            reverse: false,\n            display: true,\n            autoSkip: true,\n            autoSkipPadding: 0,\n            labelOffset: 0,\n            // We pass through arrays to be rendered as multiline labels, we convert Others to strings here.\n            callback: Ticks.formatters.values,\n            minor: {},\n            major: {}\n        }\n    });\n\n    function labelsFromTicks(ticks) {\n        var labels = [];\n        var i, ilen;\n\n        for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n            labels.push(ticks[i].label);\n        }\n\n        return labels;\n    }\n\n    function getLineValue(scale, index, offsetGridLines) {\n        var lineValue = scale.getPixelForTick(index);\n\n        if (offsetGridLines) {\n            if (index === 0) {\n                lineValue -= (scale.getPixelForTick(1) - lineValue) / 2;\n            } else {\n                lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2;\n            }\n        }\n        return lineValue;\n    }\n\n    module.exports = function(Chart) {\n\n        function computeTextSize(context, tick, font) {\n            return helpers.isArray(tick) ?\n                helpers.longestText(context, font, tick) :\n                context.measureText(tick).width;\n        }\n\n        function parseFontOptions(options) {\n            var valueOrDefault = helpers.valueOrDefault;\n            var globalDefaults = defaults.global;\n            var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);\n            var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle);\n            var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily);\n\n            return {\n                size: size,\n                style: style,\n                family: family,\n                font: helpers.fontString(size, style, family)\n            };\n        }\n\n        function parseLineHeight(options) {\n            return helpers.options.toLineHeight(\n                helpers.valueOrDefault(options.lineHeight, 1.2),\n                helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize));\n        }\n\n        Chart.Scale = Element.extend({\n            /**\n             * Get the padding needed for the scale\n             * @method getPadding\n             * @private\n             * @returns {Padding} the necessary padding\n             */\n            getPadding: function() {\n                var me = this;\n                return {\n                    left: me.paddingLeft || 0,\n                    top: me.paddingTop || 0,\n                    right: me.paddingRight || 0,\n                    bottom: me.paddingBottom || 0\n                };\n            },\n\n            /**\n             * Returns the scale tick objects ({label, major})\n             * @since 2.7\n             */\n            getTicks: function() {\n                return this._ticks;\n            },\n\n            // These methods are ordered by lifecyle. Utilities then follow.\n            // Any function defined here is inherited by all scale types.\n            // Any function can be extended by the scale type\n\n            mergeTicksOptions: function() {\n                var ticks = this.options.ticks;\n                if (ticks.minor === false) {\n                    ticks.minor = {\n                        display: false\n                    };\n                }\n                if (ticks.major === false) {\n                    ticks.major = {\n                        display: false\n                    };\n                }\n                for (var key in ticks) {\n                    if (key !== 'major' && key !== 'minor') {\n                        if (typeof ticks.minor[key] === 'undefined') {\n                            ticks.minor[key] = ticks[key];\n                        }\n                        if (typeof ticks.major[key] === 'undefined') {\n                            ticks.major[key] = ticks[key];\n                        }\n                    }\n                }\n            },\n            beforeUpdate: function() {\n                helpers.callback(this.options.beforeUpdate, [this]);\n            },\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n                var i, ilen, labels, label, ticks, tick;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = helpers.extend({\n                    left: 0,\n                    right: 0,\n                    top: 0,\n                    bottom: 0\n                }, margins);\n                me.longestTextCache = me.longestTextCache || {};\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n\n                // Data min/max\n                me.beforeDataLimits();\n                me.determineDataLimits();\n                me.afterDataLimits();\n\n                // Ticks - `this.ticks` is now DEPRECATED!\n                // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member\n                // and must not be accessed directly from outside this class. `this.ticks` being\n                // around for long time and not marked as private, we can't change its structure\n                // without unexpected breaking changes. If you need to access the scale ticks,\n                // use scale.getTicks() instead.\n\n                me.beforeBuildTicks();\n\n                // New implementations should return an array of objects but for BACKWARD COMPAT,\n                // we still support no return (`this.ticks` internally set by calling this method).\n                ticks = me.buildTicks() || [];\n\n                me.afterBuildTicks();\n\n                me.beforeTickToLabelConversion();\n\n                // New implementations should return the formatted tick labels but for BACKWARD\n                // COMPAT, we still support no return (`this.ticks` internally changed by calling\n                // this method and supposed to contain only string values).\n                labels = me.convertTicksToLabels(ticks) || me.ticks;\n\n                me.afterTickToLabelConversion();\n\n                me.ticks = labels;   // BACKWARD COMPATIBILITY\n\n                // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change!\n\n                // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`)\n                for (i = 0, ilen = labels.length; i < ilen; ++i) {\n                    label = labels[i];\n                    tick = ticks[i];\n                    if (!tick) {\n                        ticks.push(tick = {\n                            label: label,\n                            major: false\n                        });\n                    } else {\n                        tick.label = label;\n                    }\n                }\n\n                me._ticks = ticks;\n\n                // Tick Rotation\n                me.beforeCalculateTickRotation();\n                me.calculateTickRotation();\n                me.afterCalculateTickRotation();\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n\n            },\n            afterUpdate: function() {\n                helpers.callback(this.options.afterUpdate, [this]);\n            },\n\n            //\n\n            beforeSetDimensions: function() {\n                helpers.callback(this.options.beforeSetDimensions, [this]);\n            },\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n            },\n            afterSetDimensions: function() {\n                helpers.callback(this.options.afterSetDimensions, [this]);\n            },\n\n            // Data limits\n            beforeDataLimits: function() {\n                helpers.callback(this.options.beforeDataLimits, [this]);\n            },\n            determineDataLimits: helpers.noop,\n            afterDataLimits: function() {\n                helpers.callback(this.options.afterDataLimits, [this]);\n            },\n\n            //\n            beforeBuildTicks: function() {\n                helpers.callback(this.options.beforeBuildTicks, [this]);\n            },\n            buildTicks: helpers.noop,\n            afterBuildTicks: function() {\n                helpers.callback(this.options.afterBuildTicks, [this]);\n            },\n\n            beforeTickToLabelConversion: function() {\n                helpers.callback(this.options.beforeTickToLabelConversion, [this]);\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n                // Convert ticks to strings\n                var tickOpts = me.options.ticks;\n                me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this);\n            },\n            afterTickToLabelConversion: function() {\n                helpers.callback(this.options.afterTickToLabelConversion, [this]);\n            },\n\n            //\n\n            beforeCalculateTickRotation: function() {\n                helpers.callback(this.options.beforeCalculateTickRotation, [this]);\n            },\n            calculateTickRotation: function() {\n                var me = this;\n                var context = me.ctx;\n                var tickOpts = me.options.ticks;\n                var labels = labelsFromTicks(me._ticks);\n\n                // Get the width of each grid by calculating the difference\n                // between x offsets between 0 and 1.\n                var tickFont = parseFontOptions(tickOpts);\n                context.font = tickFont.font;\n\n                var labelRotation = tickOpts.minRotation || 0;\n\n                if (labels.length && me.options.display && me.isHorizontal()) {\n                    var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache);\n                    var labelWidth = originalLabelWidth;\n                    var cosRotation, sinRotation;\n\n                    // Allow 3 pixels x2 padding either side for label readability\n                    var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6;\n\n                    // Max label rotation can be set or default to 90 - also act as a loop counter\n                    while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) {\n                        var angleRadians = helpers.toRadians(labelRotation);\n                        cosRotation = Math.cos(angleRadians);\n                        sinRotation = Math.sin(angleRadians);\n\n                        if (sinRotation * originalLabelWidth > me.maxHeight) {\n                            // go back one step\n                            labelRotation--;\n                            break;\n                        }\n\n                        labelRotation++;\n                        labelWidth = cosRotation * originalLabelWidth;\n                    }\n                }\n\n                me.labelRotation = labelRotation;\n            },\n            afterCalculateTickRotation: function() {\n                helpers.callback(this.options.afterCalculateTickRotation, [this]);\n            },\n\n            //\n\n            beforeFit: function() {\n                helpers.callback(this.options.beforeFit, [this]);\n            },\n            fit: function() {\n                var me = this;\n                // Reset\n                var minSize = me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n\n                var labels = labelsFromTicks(me._ticks);\n\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var scaleLabelOpts = opts.scaleLabel;\n                var gridLineOpts = opts.gridLines;\n                var display = opts.display;\n                var isHorizontal = me.isHorizontal();\n\n                var tickFont = parseFontOptions(tickOpts);\n                var tickMarkLength = opts.gridLines.tickMarkLength;\n\n                // Width\n                if (isHorizontal) {\n                    // subtract the margins to line up with the chartArea if we are a full width scale\n                    minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth;\n                } else {\n                    minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n                }\n\n                // height\n                if (isHorizontal) {\n                    minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n                } else {\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                // Are we showing a title for the scale?\n                if (scaleLabelOpts.display && display) {\n                    var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts);\n                    var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding);\n                    var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height;\n\n                    if (isHorizontal) {\n                        minSize.height += deltaHeight;\n                    } else {\n                        minSize.width += deltaHeight;\n                    }\n                }\n\n                // Don't bother fitting the ticks if we are not showing them\n                if (tickOpts.display && display) {\n                    var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache);\n                    var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels);\n                    var lineSpace = tickFont.size * 0.5;\n                    var tickPadding = me.options.ticks.padding;\n\n                    if (isHorizontal) {\n                        // A horizontal axis is more constrained by the height.\n                        me.longestLabelWidth = largestTextWidth;\n\n                        var angleRadians = helpers.toRadians(me.labelRotation);\n                        var cosRotation = Math.cos(angleRadians);\n                        var sinRotation = Math.sin(angleRadians);\n\n                        // TODO - improve this calculation\n                        var labelHeight = (sinRotation * largestTextWidth)\n                            + (tickFont.size * tallestLabelHeightInLines)\n                            + (lineSpace * (tallestLabelHeightInLines - 1))\n                            + lineSpace; // padding\n\n                        minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);\n\n                        me.ctx.font = tickFont.font;\n                        var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font);\n                        var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font);\n\n                        // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned\n                        // which means that the right padding is dominated by the font height\n                        if (me.labelRotation !== 0) {\n                            me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges\n                            me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3;\n                        } else {\n                            me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges\n                            me.paddingRight = lastLabelWidth / 2 + 3;\n                        }\n                    } else {\n                        // A vertical axis is more constrained by the width. Labels are the\n                        // dominant factor here, so get that length first and account for padding\n                        if (tickOpts.mirror) {\n                            largestTextWidth = 0;\n                        } else {\n                            // use lineSpace for consistency with horizontal axis\n                            // tickPadding is not implemented for horizontal\n                            largestTextWidth += tickPadding + lineSpace;\n                        }\n\n                        minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth);\n\n                        me.paddingTop = tickFont.size / 2;\n                        me.paddingBottom = tickFont.size / 2;\n                    }\n                }\n\n                me.handleMargins();\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n            },\n\n            /**\n             * Handle margins and padding interactions\n             * @private\n             */\n            handleMargins: function() {\n                var me = this;\n                if (me.margins) {\n                    me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0);\n                    me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0);\n                    me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0);\n                    me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0);\n                }\n            },\n\n            afterFit: function() {\n                helpers.callback(this.options.afterFit, [this]);\n            },\n\n            // Shared Methods\n            isHorizontal: function() {\n                return this.options.position === 'top' || this.options.position === 'bottom';\n            },\n            isFullWidth: function() {\n                return (this.options.fullWidth);\n            },\n\n            // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not\n            getRightValue: function(rawValue) {\n                // Null and undefined values first\n                if (helpers.isNullOrUndef(rawValue)) {\n                    return NaN;\n                }\n                // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values\n                if (typeof rawValue === 'number' && !isFinite(rawValue)) {\n                    return NaN;\n                }\n                // If it is in fact an object, dive in one more level\n                if (rawValue) {\n                    if (this.isHorizontal()) {\n                        if (rawValue.x !== undefined) {\n                            return this.getRightValue(rawValue.x);\n                        }\n                    } else if (rawValue.y !== undefined) {\n                        return this.getRightValue(rawValue.y);\n                    }\n                }\n\n                // Value is good, return it\n                return rawValue;\n            },\n\n            // Used to get the value to display in the tooltip for the data at the given index\n            // function getLabelForIndex(index, datasetIndex)\n            getLabelForIndex: helpers.noop,\n\n            // Used to get data value locations.  Value can either be an index or a numerical value\n            getPixelForValue: helpers.noop,\n\n            // Used to get the data value from a given pixel. This is the inverse of getPixelForValue\n            getValueForPixel: helpers.noop,\n\n            // Used for tick location, should\n            getPixelForTick: function(index) {\n                var me = this;\n                var offset = me.options.offset;\n                if (me.isHorizontal()) {\n                    var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n                    var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n                    var pixel = (tickWidth * index) + me.paddingLeft;\n\n                    if (offset) {\n                        pixel += tickWidth / 2;\n                    }\n\n                    var finalVal = me.left + Math.round(pixel);\n                    finalVal += me.isFullWidth() ? me.margins.left : 0;\n                    return finalVal;\n                }\n                var innerHeight = me.height - (me.paddingTop + me.paddingBottom);\n                return me.top + (index * (innerHeight / (me._ticks.length - 1)));\n            },\n\n            // Utility for getting the pixel location of a percentage of scale\n            getPixelForDecimal: function(decimal) {\n                var me = this;\n                if (me.isHorizontal()) {\n                    var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n                    var valueOffset = (innerWidth * decimal) + me.paddingLeft;\n\n                    var finalVal = me.left + Math.round(valueOffset);\n                    finalVal += me.isFullWidth() ? me.margins.left : 0;\n                    return finalVal;\n                }\n                return me.top + (decimal * me.height);\n            },\n\n            getBasePixel: function() {\n                return this.getPixelForValue(this.getBaseValue());\n            },\n\n            getBaseValue: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n\n                return me.beginAtZero ? 0 :\n                    min < 0 && max < 0 ? max :\n                        min > 0 && max > 0 ? min :\n                            0;\n            },\n\n            /**\n             * Returns a subset of ticks to be plotted to avoid overlapping labels.\n             * @private\n             */\n            _autoSkip: function(ticks) {\n                var skipRatio;\n                var me = this;\n                var isHorizontal = me.isHorizontal();\n                var optionTicks = me.options.ticks.minor;\n                var tickCount = ticks.length;\n                var labelRotationRadians = helpers.toRadians(me.labelRotation);\n                var cosRotation = Math.cos(labelRotationRadians);\n                var longestRotatedLabel = me.longestLabelWidth * cosRotation;\n                var result = [];\n                var i, tick, shouldSkip;\n\n                // figure out the maximum number of gridlines to show\n                var maxTicks;\n                if (optionTicks.maxTicksLimit) {\n                    maxTicks = optionTicks.maxTicksLimit;\n                }\n\n                if (isHorizontal) {\n                    skipRatio = false;\n\n                    if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) {\n                        skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight)));\n                    }\n\n                    // if they defined a max number of optionTicks,\n                    // increase skipRatio until that number is met\n                    if (maxTicks && tickCount > maxTicks) {\n                        skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks));\n                    }\n                }\n\n                for (i = 0; i < tickCount; i++) {\n                    tick = ticks[i];\n\n                    // Since we always show the last tick,we need may need to hide the last shown one before\n                    shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount);\n                    if (shouldSkip && i !== tickCount - 1 || helpers.isNullOrUndef(tick.label)) {\n                        // leave tick in place but make sure it's not displayed (#4635)\n                        delete tick.label;\n                    }\n                    result.push(tick);\n                }\n                return result;\n            },\n\n            // Actually draw the scale on the canvas\n            // @param {rectangle} chartArea : the area of the chart to draw full grid lines on\n            draw: function(chartArea) {\n                var me = this;\n                var options = me.options;\n                if (!options.display) {\n                    return;\n                }\n\n                var context = me.ctx;\n                var globalDefaults = defaults.global;\n                var optionTicks = options.ticks.minor;\n                var optionMajorTicks = options.ticks.major || optionTicks;\n                var gridLines = options.gridLines;\n                var scaleLabel = options.scaleLabel;\n\n                var isRotated = me.labelRotation !== 0;\n                var isHorizontal = me.isHorizontal();\n\n                var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks();\n                var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor);\n                var tickFont = parseFontOptions(optionTicks);\n                var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor);\n                var majorTickFont = parseFontOptions(optionMajorTicks);\n\n                var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0;\n\n                var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor);\n                var scaleLabelFont = parseFontOptions(scaleLabel);\n                var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding);\n                var labelRotationRadians = helpers.toRadians(me.labelRotation);\n\n                var itemsToDraw = [];\n\n                var xTickStart = options.position === 'right' ? me.left : me.right - tl;\n                var xTickEnd = options.position === 'right' ? me.left + tl : me.right;\n                var yTickStart = options.position === 'bottom' ? me.top : me.bottom - tl;\n                var yTickEnd = options.position === 'bottom' ? me.top + tl : me.bottom;\n\n                helpers.each(ticks, function(tick, index) {\n                    // autoskipper skipped this tick (#4635)\n                    if (tick.label === undefined) {\n                        return;\n                    }\n\n                    var label = tick.label;\n                    var lineWidth, lineColor, borderDash, borderDashOffset;\n                    if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) {\n                        // Draw the first index specially\n                        lineWidth = gridLines.zeroLineWidth;\n                        lineColor = gridLines.zeroLineColor;\n                        borderDash = gridLines.zeroLineBorderDash;\n                        borderDashOffset = gridLines.zeroLineBorderDashOffset;\n                    } else {\n                        lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index);\n                        lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index);\n                        borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash);\n                        borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset);\n                    }\n\n                    // Common properties\n                    var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY;\n                    var textAlign = 'middle';\n                    var textBaseline = 'middle';\n                    var tickPadding = optionTicks.padding;\n\n                    if (isHorizontal) {\n                        var labelYOffset = tl + tickPadding;\n\n                        if (options.position === 'bottom') {\n                            // bottom\n                            textBaseline = !isRotated ? 'top' : 'middle';\n                            textAlign = !isRotated ? 'center' : 'right';\n                            labelY = me.top + labelYOffset;\n                        } else {\n                            // top\n                            textBaseline = !isRotated ? 'bottom' : 'middle';\n                            textAlign = !isRotated ? 'center' : 'left';\n                            labelY = me.bottom - labelYOffset;\n                        }\n\n                        var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n                        if (xLineValue < me.left) {\n                            lineColor = 'rgba(0,0,0,0)';\n                        }\n                        xLineValue += helpers.aliasPixel(lineWidth);\n\n                        labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option)\n\n                        tx1 = tx2 = x1 = x2 = xLineValue;\n                        ty1 = yTickStart;\n                        ty2 = yTickEnd;\n                        y1 = chartArea.top;\n                        y2 = chartArea.bottom;\n                    } else {\n                        var isLeft = options.position === 'left';\n                        var labelXOffset;\n\n                        if (optionTicks.mirror) {\n                            textAlign = isLeft ? 'left' : 'right';\n                            labelXOffset = tickPadding;\n                        } else {\n                            textAlign = isLeft ? 'right' : 'left';\n                            labelXOffset = tl + tickPadding;\n                        }\n\n                        labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset;\n\n                        var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n                        if (yLineValue < me.top) {\n                            lineColor = 'rgba(0,0,0,0)';\n                        }\n                        yLineValue += helpers.aliasPixel(lineWidth);\n\n                        labelY = me.getPixelForTick(index) + optionTicks.labelOffset;\n\n                        tx1 = xTickStart;\n                        tx2 = xTickEnd;\n                        x1 = chartArea.left;\n                        x2 = chartArea.right;\n                        ty1 = ty2 = y1 = y2 = yLineValue;\n                    }\n\n                    itemsToDraw.push({\n                        tx1: tx1,\n                        ty1: ty1,\n                        tx2: tx2,\n                        ty2: ty2,\n                        x1: x1,\n                        y1: y1,\n                        x2: x2,\n                        y2: y2,\n                        labelX: labelX,\n                        labelY: labelY,\n                        glWidth: lineWidth,\n                        glColor: lineColor,\n                        glBorderDash: borderDash,\n                        glBorderDashOffset: borderDashOffset,\n                        rotation: -1 * labelRotationRadians,\n                        label: label,\n                        major: tick.major,\n                        textBaseline: textBaseline,\n                        textAlign: textAlign\n                    });\n                });\n\n                // Draw all of the tick labels, tick marks, and grid lines at the correct places\n                helpers.each(itemsToDraw, function(itemToDraw) {\n                    if (gridLines.display) {\n                        context.save();\n                        context.lineWidth = itemToDraw.glWidth;\n                        context.strokeStyle = itemToDraw.glColor;\n                        if (context.setLineDash) {\n                            context.setLineDash(itemToDraw.glBorderDash);\n                            context.lineDashOffset = itemToDraw.glBorderDashOffset;\n                        }\n\n                        context.beginPath();\n\n                        if (gridLines.drawTicks) {\n                            context.moveTo(itemToDraw.tx1, itemToDraw.ty1);\n                            context.lineTo(itemToDraw.tx2, itemToDraw.ty2);\n                        }\n\n                        if (gridLines.drawOnChartArea) {\n                            context.moveTo(itemToDraw.x1, itemToDraw.y1);\n                            context.lineTo(itemToDraw.x2, itemToDraw.y2);\n                        }\n\n                        context.stroke();\n                        context.restore();\n                    }\n\n                    if (optionTicks.display) {\n                        // Make sure we draw text in the correct color and font\n                        context.save();\n                        context.translate(itemToDraw.labelX, itemToDraw.labelY);\n                        context.rotate(itemToDraw.rotation);\n                        context.font = itemToDraw.major ? majorTickFont.font : tickFont.font;\n                        context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor;\n                        context.textBaseline = itemToDraw.textBaseline;\n                        context.textAlign = itemToDraw.textAlign;\n\n                        var label = itemToDraw.label;\n                        if (helpers.isArray(label)) {\n                            for (var i = 0, y = 0; i < label.length; ++i) {\n                                // We just make sure the multiline element is a string here..\n                                context.fillText('' + label[i], 0, y);\n                                // apply same lineSpacing as calculated @ L#320\n                                y += (tickFont.size * 1.5);\n                            }\n                        } else {\n                            context.fillText(label, 0, 0);\n                        }\n                        context.restore();\n                    }\n                });\n\n                if (scaleLabel.display) {\n                    // Draw the scale label\n                    var scaleLabelX;\n                    var scaleLabelY;\n                    var rotation = 0;\n                    var halfLineHeight = parseLineHeight(scaleLabel) / 2;\n\n                    if (isHorizontal) {\n                        scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width\n                        scaleLabelY = options.position === 'bottom'\n                            ? me.bottom - halfLineHeight - scaleLabelPadding.bottom\n                            : me.top + halfLineHeight + scaleLabelPadding.top;\n                    } else {\n                        var isLeft = options.position === 'left';\n                        scaleLabelX = isLeft\n                            ? me.left + halfLineHeight + scaleLabelPadding.top\n                            : me.right - halfLineHeight - scaleLabelPadding.top;\n                        scaleLabelY = me.top + ((me.bottom - me.top) / 2);\n                        rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;\n                    }\n\n                    context.save();\n                    context.translate(scaleLabelX, scaleLabelY);\n                    context.rotate(rotation);\n                    context.textAlign = 'center';\n                    context.textBaseline = 'middle';\n                    context.fillStyle = scaleLabelFontColor; // render in correct colour\n                    context.font = scaleLabelFont.font;\n                    context.fillText(scaleLabel.labelString, 0, 0);\n                    context.restore();\n                }\n\n                if (gridLines.drawBorder) {\n                    // Draw the line at the edge of the axis\n                    context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0);\n                    context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0);\n                    var x1 = me.left;\n                    var x2 = me.right;\n                    var y1 = me.top;\n                    var y2 = me.bottom;\n\n                    var aliasPixel = helpers.aliasPixel(context.lineWidth);\n                    if (isHorizontal) {\n                        y1 = y2 = options.position === 'top' ? me.bottom : me.top;\n                        y1 += aliasPixel;\n                        y2 += aliasPixel;\n                    } else {\n                        x1 = x2 = options.position === 'left' ? me.right : me.left;\n                        x1 += aliasPixel;\n                        x2 += aliasPixel;\n                    }\n\n                    context.beginPath();\n                    context.moveTo(x1, y1);\n                    context.lineTo(x2, y2);\n                    context.stroke();\n                }\n            }\n        });\n    };\n\n},{\"25\":25,\"26\":26,\"34\":34,\"45\":45}],33:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        Chart.scaleService = {\n            // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then\n            // use the new chart options to grab the correct scale\n            constructors: {},\n            // Use a registration function so that we can move to an ES6 map when we no longer need to support\n            // old browsers\n\n            // Scale config defaults\n            defaults: {},\n            registerScaleType: function(type, scaleConstructor, scaleDefaults) {\n                this.constructors[type] = scaleConstructor;\n                this.defaults[type] = helpers.clone(scaleDefaults);\n            },\n            getScaleConstructor: function(type) {\n                return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;\n            },\n            getScaleDefaults: function(type) {\n                // Return the scale defaults merged with the global settings so that we always use the latest ones\n                return this.defaults.hasOwnProperty(type) ? helpers.merge({}, [defaults.scale, this.defaults[type]]) : {};\n            },\n            updateScaleDefaults: function(type, additions) {\n                var me = this;\n                if (me.defaults.hasOwnProperty(type)) {\n                    me.defaults[type] = helpers.extend(me.defaults[type], additions);\n                }\n            },\n            addScalesToLayout: function(chart) {\n                // Adds each scale to the chart.boxes array to be sized accordingly\n                helpers.each(chart.scales, function(scale) {\n                    // Set ILayoutItem parameters for backwards compatibility\n                    scale.fullWidth = scale.options.fullWidth;\n                    scale.position = scale.options.position;\n                    scale.weight = scale.options.weight;\n                    Chart.layoutService.addBox(chart, scale);\n                });\n            }\n        };\n    };\n\n},{\"25\":25,\"45\":45}],34:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    /**\n     * Namespace to hold static tick generation functions\n     * @namespace Chart.Ticks\n     */\n    module.exports = {\n        /**\n         * Namespace to hold generators for different types of ticks\n         * @namespace Chart.Ticks.generators\n         */\n        generators: {\n            /**\n             * Interface for the options provided to the numeric tick generator\n             * @interface INumericTickGenerationOptions\n             */\n            /**\n             * The maximum number of ticks to display\n             * @name INumericTickGenerationOptions#maxTicks\n             * @type Number\n             */\n            /**\n             * The distance between each tick.\n             * @name INumericTickGenerationOptions#stepSize\n             * @type Number\n             * @optional\n             */\n            /**\n             * Forced minimum for the ticks. If not specified, the minimum of the data range is used to calculate the tick minimum\n             * @name INumericTickGenerationOptions#min\n             * @type Number\n             * @optional\n             */\n            /**\n             * The maximum value of the ticks. If not specified, the maximum of the data range is used to calculate the tick maximum\n             * @name INumericTickGenerationOptions#max\n             * @type Number\n             * @optional\n             */\n\n            /**\n             * Generate a set of linear ticks\n             * @method Chart.Ticks.generators.linear\n             * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n             * @param dataRange {IRange} the range of the data\n             * @returns {Array<Number>} array of tick values\n             */\n            linear: function(generationOptions, dataRange) {\n                var ticks = [];\n                // To get a \"nice\" value for the tick spacing, we will use the appropriately named\n                // \"nice number\" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks\n                // for details.\n\n                var spacing;\n                if (generationOptions.stepSize && generationOptions.stepSize > 0) {\n                    spacing = generationOptions.stepSize;\n                } else {\n                    var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false);\n                    spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true);\n                }\n                var niceMin = Math.floor(dataRange.min / spacing) * spacing;\n                var niceMax = Math.ceil(dataRange.max / spacing) * spacing;\n\n                // If min, max and stepSize is set and they make an evenly spaced scale use it.\n                if (generationOptions.min && generationOptions.max && generationOptions.stepSize) {\n                    // If very close to our whole number, use it.\n                    if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) {\n                        niceMin = generationOptions.min;\n                        niceMax = generationOptions.max;\n                    }\n                }\n\n                var numSpaces = (niceMax - niceMin) / spacing;\n                // If very close to our rounded value, use it.\n                if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\n                    numSpaces = Math.round(numSpaces);\n                } else {\n                    numSpaces = Math.ceil(numSpaces);\n                }\n\n                // Put the values into the ticks array\n                ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin);\n                for (var j = 1; j < numSpaces; ++j) {\n                    ticks.push(niceMin + (j * spacing));\n                }\n                ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax);\n\n                return ticks;\n            },\n\n            /**\n             * Generate a set of logarithmic ticks\n             * @method Chart.Ticks.generators.logarithmic\n             * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n             * @param dataRange {IRange} the range of the data\n             * @returns {Array<Number>} array of tick values\n             */\n            logarithmic: function(generationOptions, dataRange) {\n                var ticks = [];\n                var valueOrDefault = helpers.valueOrDefault;\n\n                // Figure out what the max number of ticks we can support it is based on the size of\n                // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n                // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n                // the graph\n                var tickVal = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min))));\n\n                var endExp = Math.floor(helpers.log10(dataRange.max));\n                var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\n                var exp, significand;\n\n                if (tickVal === 0) {\n                    exp = Math.floor(helpers.log10(dataRange.minNotZero));\n                    significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));\n\n                    ticks.push(tickVal);\n                    tickVal = significand * Math.pow(10, exp);\n                } else {\n                    exp = Math.floor(helpers.log10(tickVal));\n                    significand = Math.floor(tickVal / Math.pow(10, exp));\n                }\n\n                do {\n                    ticks.push(tickVal);\n\n                    ++significand;\n                    if (significand === 10) {\n                        significand = 1;\n                        ++exp;\n                    }\n\n                    tickVal = significand * Math.pow(10, exp);\n                } while (exp < endExp || (exp === endExp && significand < endSignificand));\n\n                var lastTick = valueOrDefault(generationOptions.max, tickVal);\n                ticks.push(lastTick);\n\n                return ticks;\n            }\n        },\n\n        /**\n         * Namespace to hold formatters for different types of ticks\n         * @namespace Chart.Ticks.formatters\n         */\n        formatters: {\n            /**\n             * Formatter for value labels\n             * @method Chart.Ticks.formatters.values\n             * @param value the value to display\n             * @return {String|Array} the label to display\n             */\n            values: function(value) {\n                return helpers.isArray(value) ? value : '' + value;\n            },\n\n            /**\n             * Formatter for linear numeric ticks\n             * @method Chart.Ticks.formatters.linear\n             * @param tickValue {Number} the value to be formatted\n             * @param index {Number} the position of the tickValue parameter in the ticks array\n             * @param ticks {Array<Number>} the list of ticks being converted\n             * @return {String} string representation of the tickValue parameter\n             */\n            linear: function(tickValue, index, ticks) {\n                // If we have lots of ticks, don't use the ones\n                var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];\n\n                // If we have a number like 2.5 as the delta, figure out how many decimal places we need\n                if (Math.abs(delta) > 1) {\n                    if (tickValue !== Math.floor(tickValue)) {\n                        // not an integer\n                        delta = tickValue - Math.floor(tickValue);\n                    }\n                }\n\n                var logDelta = helpers.log10(Math.abs(delta));\n                var tickString = '';\n\n                if (tickValue !== 0) {\n                    var numDecimal = -1 * Math.floor(logDelta);\n                    numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places\n                    tickString = tickValue.toFixed(numDecimal);\n                } else {\n                    tickString = '0'; // never show decimal places for 0\n                }\n\n                return tickString;\n            },\n\n            logarithmic: function(tickValue, index, ticks) {\n                var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue))));\n\n                if (tickValue === 0) {\n                    return '0';\n                } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) {\n                    return tickValue.toExponential();\n                }\n                return '';\n            }\n        }\n    };\n\n},{\"45\":45}],35:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        tooltips: {\n            enabled: true,\n            custom: null,\n            mode: 'nearest',\n            position: 'average',\n            intersect: true,\n            backgroundColor: 'rgba(0,0,0,0.8)',\n            titleFontStyle: 'bold',\n            titleSpacing: 2,\n            titleMarginBottom: 6,\n            titleFontColor: '#fff',\n            titleAlign: 'left',\n            bodySpacing: 2,\n            bodyFontColor: '#fff',\n            bodyAlign: 'left',\n            footerFontStyle: 'bold',\n            footerSpacing: 2,\n            footerMarginTop: 6,\n            footerFontColor: '#fff',\n            footerAlign: 'left',\n            yPadding: 6,\n            xPadding: 6,\n            caretPadding: 2,\n            caretSize: 5,\n            cornerRadius: 6,\n            multiKeyBackground: '#fff',\n            displayColors: true,\n            borderColor: 'rgba(0,0,0,0)',\n            borderWidth: 0,\n            callbacks: {\n                // Args are: (tooltipItems, data)\n                beforeTitle: helpers.noop,\n                title: function(tooltipItems, data) {\n                    // Pick first xLabel for now\n                    var title = '';\n                    var labels = data.labels;\n                    var labelCount = labels ? labels.length : 0;\n\n                    if (tooltipItems.length > 0) {\n                        var item = tooltipItems[0];\n\n                        if (item.xLabel) {\n                            title = item.xLabel;\n                        } else if (labelCount > 0 && item.index < labelCount) {\n                            title = labels[item.index];\n                        }\n                    }\n\n                    return title;\n                },\n                afterTitle: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                beforeBody: helpers.noop,\n\n                // Args are: (tooltipItem, data)\n                beforeLabel: helpers.noop,\n                label: function(tooltipItem, data) {\n                    var label = data.datasets[tooltipItem.datasetIndex].label || '';\n\n                    if (label) {\n                        label += ': ';\n                    }\n                    label += tooltipItem.yLabel;\n                    return label;\n                },\n                labelColor: function(tooltipItem, chart) {\n                    var meta = chart.getDatasetMeta(tooltipItem.datasetIndex);\n                    var activeElement = meta.data[tooltipItem.index];\n                    var view = activeElement._view;\n                    return {\n                        borderColor: view.borderColor,\n                        backgroundColor: view.backgroundColor\n                    };\n                },\n                labelTextColor: function() {\n                    return this._options.bodyFontColor;\n                },\n                afterLabel: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                afterBody: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                beforeFooter: helpers.noop,\n                footer: helpers.noop,\n                afterFooter: helpers.noop\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        /**\n         * Helper method to merge the opacity into a color\n         */\n        function mergeOpacity(colorString, opacity) {\n            var color = helpers.color(colorString);\n            return color.alpha(opacity * color.alpha()).rgbaString();\n        }\n\n        // Helper to push or concat based on if the 2nd parameter is an array or not\n        function pushOrConcat(base, toPush) {\n            if (toPush) {\n                if (helpers.isArray(toPush)) {\n                    // base = base.concat(toPush);\n                    Array.prototype.push.apply(base, toPush);\n                } else {\n                    base.push(toPush);\n                }\n            }\n\n            return base;\n        }\n\n        // Private helper to create a tooltip item model\n        // @param element : the chart element (point, arc, bar) to create the tooltip item for\n        // @return : new tooltip item\n        function createTooltipItem(element) {\n            var xScale = element._xScale;\n            var yScale = element._yScale || element._scale; // handle radar || polarArea charts\n            var index = element._index;\n            var datasetIndex = element._datasetIndex;\n\n            return {\n                xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '',\n                yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '',\n                index: index,\n                datasetIndex: datasetIndex,\n                x: element._model.x,\n                y: element._model.y\n            };\n        }\n\n        /**\n         * Helper to get the reset model for the tooltip\n         * @param tooltipOpts {Object} the tooltip options\n         */\n        function getBaseModel(tooltipOpts) {\n            var globalDefaults = defaults.global;\n            var valueOrDefault = helpers.valueOrDefault;\n\n            return {\n                // Positioning\n                xPadding: tooltipOpts.xPadding,\n                yPadding: tooltipOpts.yPadding,\n                xAlign: tooltipOpts.xAlign,\n                yAlign: tooltipOpts.yAlign,\n\n                // Body\n                bodyFontColor: tooltipOpts.bodyFontColor,\n                _bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily),\n                _bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle),\n                _bodyAlign: tooltipOpts.bodyAlign,\n                bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize),\n                bodySpacing: tooltipOpts.bodySpacing,\n\n                // Title\n                titleFontColor: tooltipOpts.titleFontColor,\n                _titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily),\n                _titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle),\n                titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize),\n                _titleAlign: tooltipOpts.titleAlign,\n                titleSpacing: tooltipOpts.titleSpacing,\n                titleMarginBottom: tooltipOpts.titleMarginBottom,\n\n                // Footer\n                footerFontColor: tooltipOpts.footerFontColor,\n                _footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily),\n                _footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle),\n                footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize),\n                _footerAlign: tooltipOpts.footerAlign,\n                footerSpacing: tooltipOpts.footerSpacing,\n                footerMarginTop: tooltipOpts.footerMarginTop,\n\n                // Appearance\n                caretSize: tooltipOpts.caretSize,\n                cornerRadius: tooltipOpts.cornerRadius,\n                backgroundColor: tooltipOpts.backgroundColor,\n                opacity: 0,\n                legendColorBackground: tooltipOpts.multiKeyBackground,\n                displayColors: tooltipOpts.displayColors,\n                borderColor: tooltipOpts.borderColor,\n                borderWidth: tooltipOpts.borderWidth\n            };\n        }\n\n        /**\n         * Get the size of the tooltip\n         */\n        function getTooltipSize(tooltip, model) {\n            var ctx = tooltip._chart.ctx;\n\n            var height = model.yPadding * 2; // Tooltip Padding\n            var width = 0;\n\n            // Count of all lines in the body\n            var body = model.body;\n            var combinedBodyLength = body.reduce(function(count, bodyItem) {\n                return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;\n            }, 0);\n            combinedBodyLength += model.beforeBody.length + model.afterBody.length;\n\n            var titleLineCount = model.title.length;\n            var footerLineCount = model.footer.length;\n            var titleFontSize = model.titleFontSize;\n            var bodyFontSize = model.bodyFontSize;\n            var footerFontSize = model.footerFontSize;\n\n            height += titleLineCount * titleFontSize; // Title Lines\n            height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing\n            height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin\n            height += combinedBodyLength * bodyFontSize; // Body Lines\n            height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing\n            height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin\n            height += footerLineCount * (footerFontSize); // Footer Lines\n            height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing\n\n            // Title width\n            var widthPadding = 0;\n            var maxLineWidth = function(line) {\n                width = Math.max(width, ctx.measureText(line).width + widthPadding);\n            };\n\n            ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily);\n            helpers.each(model.title, maxLineWidth);\n\n            // Body width\n            ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily);\n            helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth);\n\n            // Body lines may include some extra width due to the color box\n            widthPadding = model.displayColors ? (bodyFontSize + 2) : 0;\n            helpers.each(body, function(bodyItem) {\n                helpers.each(bodyItem.before, maxLineWidth);\n                helpers.each(bodyItem.lines, maxLineWidth);\n                helpers.each(bodyItem.after, maxLineWidth);\n            });\n\n            // Reset back to 0\n            widthPadding = 0;\n\n            // Footer width\n            ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily);\n            helpers.each(model.footer, maxLineWidth);\n\n            // Add padding\n            width += 2 * model.xPadding;\n\n            return {\n                width: width,\n                height: height\n            };\n        }\n\n        /**\n         * Helper to get the alignment of a tooltip given the size\n         */\n        function determineAlignment(tooltip, size) {\n            var model = tooltip._model;\n            var chart = tooltip._chart;\n            var chartArea = tooltip._chart.chartArea;\n            var xAlign = 'center';\n            var yAlign = 'center';\n\n            if (model.y < size.height) {\n                yAlign = 'top';\n            } else if (model.y > (chart.height - size.height)) {\n                yAlign = 'bottom';\n            }\n\n            var lf, rf; // functions to determine left, right alignment\n            var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart\n            var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges\n            var midX = (chartArea.left + chartArea.right) / 2;\n            var midY = (chartArea.top + chartArea.bottom) / 2;\n\n            if (yAlign === 'center') {\n                lf = function(x) {\n                    return x <= midX;\n                };\n                rf = function(x) {\n                    return x > midX;\n                };\n            } else {\n                lf = function(x) {\n                    return x <= (size.width / 2);\n                };\n                rf = function(x) {\n                    return x >= (chart.width - (size.width / 2));\n                };\n            }\n\n            olf = function(x) {\n                return x + size.width > chart.width;\n            };\n            orf = function(x) {\n                return x - size.width < 0;\n            };\n            yf = function(y) {\n                return y <= midY ? 'top' : 'bottom';\n            };\n\n            if (lf(model.x)) {\n                xAlign = 'left';\n\n                // Is tooltip too wide and goes over the right side of the chart.?\n                if (olf(model.x)) {\n                    xAlign = 'center';\n                    yAlign = yf(model.y);\n                }\n            } else if (rf(model.x)) {\n                xAlign = 'right';\n\n                // Is tooltip too wide and goes outside left edge of canvas?\n                if (orf(model.x)) {\n                    xAlign = 'center';\n                    yAlign = yf(model.y);\n                }\n            }\n\n            var opts = tooltip._options;\n            return {\n                xAlign: opts.xAlign ? opts.xAlign : xAlign,\n                yAlign: opts.yAlign ? opts.yAlign : yAlign\n            };\n        }\n\n        /**\n         * @Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment\n         */\n        function getBackgroundPoint(vm, size, alignment) {\n            // Background Position\n            var x = vm.x;\n            var y = vm.y;\n\n            var caretSize = vm.caretSize;\n            var caretPadding = vm.caretPadding;\n            var cornerRadius = vm.cornerRadius;\n            var xAlign = alignment.xAlign;\n            var yAlign = alignment.yAlign;\n            var paddingAndSize = caretSize + caretPadding;\n            var radiusAndPadding = cornerRadius + caretPadding;\n\n            if (xAlign === 'right') {\n                x -= size.width;\n            } else if (xAlign === 'center') {\n                x -= (size.width / 2);\n            }\n\n            if (yAlign === 'top') {\n                y += paddingAndSize;\n            } else if (yAlign === 'bottom') {\n                y -= size.height + paddingAndSize;\n            } else {\n                y -= (size.height / 2);\n            }\n\n            if (yAlign === 'center') {\n                if (xAlign === 'left') {\n                    x += paddingAndSize;\n                } else if (xAlign === 'right') {\n                    x -= paddingAndSize;\n                }\n            } else if (xAlign === 'left') {\n                x -= radiusAndPadding;\n            } else if (xAlign === 'right') {\n                x += radiusAndPadding;\n            }\n\n            return {\n                x: x,\n                y: y\n            };\n        }\n\n        Chart.Tooltip = Element.extend({\n            initialize: function() {\n                this._model = getBaseModel(this._options);\n            },\n\n            // Get the title\n            // Args are: (tooltipItem, data)\n            getTitle: function() {\n                var me = this;\n                var opts = me._options;\n                var callbacks = opts.callbacks;\n\n                var beforeTitle = callbacks.beforeTitle.apply(me, arguments);\n                var title = callbacks.title.apply(me, arguments);\n                var afterTitle = callbacks.afterTitle.apply(me, arguments);\n\n                var lines = [];\n                lines = pushOrConcat(lines, beforeTitle);\n                lines = pushOrConcat(lines, title);\n                lines = pushOrConcat(lines, afterTitle);\n\n                return lines;\n            },\n\n            // Args are: (tooltipItem, data)\n            getBeforeBody: function() {\n                var lines = this._options.callbacks.beforeBody.apply(this, arguments);\n                return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n            },\n\n            // Args are: (tooltipItem, data)\n            getBody: function(tooltipItems, data) {\n                var me = this;\n                var callbacks = me._options.callbacks;\n                var bodyItems = [];\n\n                helpers.each(tooltipItems, function(tooltipItem) {\n                    var bodyItem = {\n                        before: [],\n                        lines: [],\n                        after: []\n                    };\n                    pushOrConcat(bodyItem.before, callbacks.beforeLabel.call(me, tooltipItem, data));\n                    pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data));\n                    pushOrConcat(bodyItem.after, callbacks.afterLabel.call(me, tooltipItem, data));\n\n                    bodyItems.push(bodyItem);\n                });\n\n                return bodyItems;\n            },\n\n            // Args are: (tooltipItem, data)\n            getAfterBody: function() {\n                var lines = this._options.callbacks.afterBody.apply(this, arguments);\n                return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n            },\n\n            // Get the footer and beforeFooter and afterFooter lines\n            // Args are: (tooltipItem, data)\n            getFooter: function() {\n                var me = this;\n                var callbacks = me._options.callbacks;\n\n                var beforeFooter = callbacks.beforeFooter.apply(me, arguments);\n                var footer = callbacks.footer.apply(me, arguments);\n                var afterFooter = callbacks.afterFooter.apply(me, arguments);\n\n                var lines = [];\n                lines = pushOrConcat(lines, beforeFooter);\n                lines = pushOrConcat(lines, footer);\n                lines = pushOrConcat(lines, afterFooter);\n\n                return lines;\n            },\n\n            update: function(changed) {\n                var me = this;\n                var opts = me._options;\n\n                // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition\n                // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time\n                // which breaks any animations.\n                var existingModel = me._model;\n                var model = me._model = getBaseModel(opts);\n                var active = me._active;\n\n                var data = me._data;\n\n                // In the case where active.length === 0 we need to keep these at existing values for good animations\n                var alignment = {\n                    xAlign: existingModel.xAlign,\n                    yAlign: existingModel.yAlign\n                };\n                var backgroundPoint = {\n                    x: existingModel.x,\n                    y: existingModel.y\n                };\n                var tooltipSize = {\n                    width: existingModel.width,\n                    height: existingModel.height\n                };\n                var tooltipPosition = {\n                    x: existingModel.caretX,\n                    y: existingModel.caretY\n                };\n\n                var i, len;\n\n                if (active.length) {\n                    model.opacity = 1;\n\n                    var labelColors = [];\n                    var labelTextColors = [];\n                    tooltipPosition = Chart.Tooltip.positioners[opts.position](active, me._eventPosition);\n\n                    var tooltipItems = [];\n                    for (i = 0, len = active.length; i < len; ++i) {\n                        tooltipItems.push(createTooltipItem(active[i]));\n                    }\n\n                    // If the user provided a filter function, use it to modify the tooltip items\n                    if (opts.filter) {\n                        tooltipItems = tooltipItems.filter(function(a) {\n                            return opts.filter(a, data);\n                        });\n                    }\n\n                    // If the user provided a sorting function, use it to modify the tooltip items\n                    if (opts.itemSort) {\n                        tooltipItems = tooltipItems.sort(function(a, b) {\n                            return opts.itemSort(a, b, data);\n                        });\n                    }\n\n                    // Determine colors for boxes\n                    helpers.each(tooltipItems, function(tooltipItem) {\n                        labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart));\n                        labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart));\n                    });\n\n\n                    // Build the Text Lines\n                    model.title = me.getTitle(tooltipItems, data);\n                    model.beforeBody = me.getBeforeBody(tooltipItems, data);\n                    model.body = me.getBody(tooltipItems, data);\n                    model.afterBody = me.getAfterBody(tooltipItems, data);\n                    model.footer = me.getFooter(tooltipItems, data);\n\n                    // Initial positioning and colors\n                    model.x = Math.round(tooltipPosition.x);\n                    model.y = Math.round(tooltipPosition.y);\n                    model.caretPadding = opts.caretPadding;\n                    model.labelColors = labelColors;\n                    model.labelTextColors = labelTextColors;\n\n                    // data points\n                    model.dataPoints = tooltipItems;\n\n                    // We need to determine alignment of the tooltip\n                    tooltipSize = getTooltipSize(this, model);\n                    alignment = determineAlignment(this, tooltipSize);\n                    // Final Size and Position\n                    backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment);\n                } else {\n                    model.opacity = 0;\n                }\n\n                model.xAlign = alignment.xAlign;\n                model.yAlign = alignment.yAlign;\n                model.x = backgroundPoint.x;\n                model.y = backgroundPoint.y;\n                model.width = tooltipSize.width;\n                model.height = tooltipSize.height;\n\n                // Point where the caret on the tooltip points to\n                model.caretX = tooltipPosition.x;\n                model.caretY = tooltipPosition.y;\n\n                me._model = model;\n\n                if (changed && opts.custom) {\n                    opts.custom.call(me, model);\n                }\n\n                return me;\n            },\n            drawCaret: function(tooltipPoint, size) {\n                var ctx = this._chart.ctx;\n                var vm = this._view;\n                var caretPosition = this.getCaretPosition(tooltipPoint, size, vm);\n\n                ctx.lineTo(caretPosition.x1, caretPosition.y1);\n                ctx.lineTo(caretPosition.x2, caretPosition.y2);\n                ctx.lineTo(caretPosition.x3, caretPosition.y3);\n            },\n            getCaretPosition: function(tooltipPoint, size, vm) {\n                var x1, x2, x3, y1, y2, y3;\n                var caretSize = vm.caretSize;\n                var cornerRadius = vm.cornerRadius;\n                var xAlign = vm.xAlign;\n                var yAlign = vm.yAlign;\n                var ptX = tooltipPoint.x;\n                var ptY = tooltipPoint.y;\n                var width = size.width;\n                var height = size.height;\n\n                if (yAlign === 'center') {\n                    y2 = ptY + (height / 2);\n\n                    if (xAlign === 'left') {\n                        x1 = ptX;\n                        x2 = x1 - caretSize;\n                        x3 = x1;\n\n                        y1 = y2 + caretSize;\n                        y3 = y2 - caretSize;\n                    } else {\n                        x1 = ptX + width;\n                        x2 = x1 + caretSize;\n                        x3 = x1;\n\n                        y1 = y2 - caretSize;\n                        y3 = y2 + caretSize;\n                    }\n                } else {\n                    if (xAlign === 'left') {\n                        x2 = ptX + cornerRadius + (caretSize);\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    } else if (xAlign === 'right') {\n                        x2 = ptX + width - cornerRadius - caretSize;\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    } else {\n                        x2 = ptX + (width / 2);\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    }\n                    if (yAlign === 'top') {\n                        y1 = ptY;\n                        y2 = y1 - caretSize;\n                        y3 = y1;\n                    } else {\n                        y1 = ptY + height;\n                        y2 = y1 + caretSize;\n                        y3 = y1;\n                        // invert drawing order\n                        var tmp = x3;\n                        x3 = x1;\n                        x1 = tmp;\n                    }\n                }\n                return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3};\n            },\n            drawTitle: function(pt, vm, ctx, opacity) {\n                var title = vm.title;\n\n                if (title.length) {\n                    ctx.textAlign = vm._titleAlign;\n                    ctx.textBaseline = 'top';\n\n                    var titleFontSize = vm.titleFontSize;\n                    var titleSpacing = vm.titleSpacing;\n\n                    ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity);\n                    ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily);\n\n                    var i, len;\n                    for (i = 0, len = title.length; i < len; ++i) {\n                        ctx.fillText(title[i], pt.x, pt.y);\n                        pt.y += titleFontSize + titleSpacing; // Line Height and spacing\n\n                        if (i + 1 === title.length) {\n                            pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing\n                        }\n                    }\n                }\n            },\n            drawBody: function(pt, vm, ctx, opacity) {\n                var bodyFontSize = vm.bodyFontSize;\n                var bodySpacing = vm.bodySpacing;\n                var body = vm.body;\n\n                ctx.textAlign = vm._bodyAlign;\n                ctx.textBaseline = 'top';\n                ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);\n\n                // Before Body\n                var xLinePadding = 0;\n                var fillLineOfText = function(line) {\n                    ctx.fillText(line, pt.x + xLinePadding, pt.y);\n                    pt.y += bodyFontSize + bodySpacing;\n                };\n\n                // Before body lines\n                helpers.each(vm.beforeBody, fillLineOfText);\n\n                var drawColorBoxes = vm.displayColors;\n                xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0;\n\n                // Draw body lines now\n                helpers.each(body, function(bodyItem, i) {\n                    helpers.each(bodyItem.before, fillLineOfText);\n\n                    helpers.each(bodyItem.lines, function(line) {\n                        // Draw Legend-like boxes if needed\n                        if (drawColorBoxes) {\n                            // Fill a white rect so that colours merge nicely if the opacity is < 1\n                            ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity);\n                            ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n                            // Border\n                            ctx.lineWidth = 1;\n                            ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity);\n                            ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n                            // Inner square\n                            ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity);\n                            ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2);\n                            var textColor = mergeOpacity(vm.labelTextColors[i], opacity);\n                            ctx.fillStyle = textColor;\n                        }\n\n                        fillLineOfText(line);\n                    });\n\n                    helpers.each(bodyItem.after, fillLineOfText);\n                });\n\n                // Reset back to 0 for after body\n                xLinePadding = 0;\n\n                // After body lines\n                helpers.each(vm.afterBody, fillLineOfText);\n                pt.y -= bodySpacing; // Remove last body spacing\n            },\n            drawFooter: function(pt, vm, ctx, opacity) {\n                var footer = vm.footer;\n\n                if (footer.length) {\n                    pt.y += vm.footerMarginTop;\n\n                    ctx.textAlign = vm._footerAlign;\n                    ctx.textBaseline = 'top';\n\n                    ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity);\n                    ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);\n\n                    helpers.each(footer, function(line) {\n                        ctx.fillText(line, pt.x, pt.y);\n                        pt.y += vm.footerFontSize + vm.footerSpacing;\n                    });\n                }\n            },\n            drawBackground: function(pt, vm, ctx, tooltipSize, opacity) {\n                ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity);\n                ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity);\n                ctx.lineWidth = vm.borderWidth;\n                var xAlign = vm.xAlign;\n                var yAlign = vm.yAlign;\n                var x = pt.x;\n                var y = pt.y;\n                var width = tooltipSize.width;\n                var height = tooltipSize.height;\n                var radius = vm.cornerRadius;\n\n                ctx.beginPath();\n                ctx.moveTo(x + radius, y);\n                if (yAlign === 'top') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + width - radius, y);\n                ctx.quadraticCurveTo(x + width, y, x + width, y + radius);\n                if (yAlign === 'center' && xAlign === 'right') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + width, y + height - radius);\n                ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);\n                if (yAlign === 'bottom') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + radius, y + height);\n                ctx.quadraticCurveTo(x, y + height, x, y + height - radius);\n                if (yAlign === 'center' && xAlign === 'left') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x, y + radius);\n                ctx.quadraticCurveTo(x, y, x + radius, y);\n                ctx.closePath();\n\n                ctx.fill();\n\n                if (vm.borderWidth > 0) {\n                    ctx.stroke();\n                }\n            },\n            draw: function() {\n                var ctx = this._chart.ctx;\n                var vm = this._view;\n\n                if (vm.opacity === 0) {\n                    return;\n                }\n\n                var tooltipSize = {\n                    width: vm.width,\n                    height: vm.height\n                };\n                var pt = {\n                    x: vm.x,\n                    y: vm.y\n                };\n\n                // IE11/Edge does not like very small opacities, so snap to 0\n                var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;\n\n                // Truthy/falsey value for empty tooltip\n                var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length;\n\n                if (this._options.enabled && hasTooltipContent) {\n                    // Draw Background\n                    this.drawBackground(pt, vm, ctx, tooltipSize, opacity);\n\n                    // Draw Title, Body, and Footer\n                    pt.x += vm.xPadding;\n                    pt.y += vm.yPadding;\n\n                    // Titles\n                    this.drawTitle(pt, vm, ctx, opacity);\n\n                    // Body\n                    this.drawBody(pt, vm, ctx, opacity);\n\n                    // Footer\n                    this.drawFooter(pt, vm, ctx, opacity);\n                }\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event - The event to handle\n             * @returns {Boolean} true if the tooltip changed\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var options = me._options;\n                var changed = false;\n\n                me._lastActive = me._lastActive || [];\n\n                // Find Active Elements for tooltips\n                if (e.type === 'mouseout') {\n                    me._active = [];\n                } else {\n                    me._active = me._chart.getElementsAtEventForMode(e, options.mode, options);\n                }\n\n                // Remember Last Actives\n                changed = !helpers.arrayEquals(me._active, me._lastActive);\n\n                // If tooltip didn't change, do not handle the target event\n                if (!changed) {\n                    return false;\n                }\n\n                me._lastActive = me._active;\n\n                if (options.enabled || options.custom) {\n                    me._eventPosition = {\n                        x: e.x,\n                        y: e.y\n                    };\n\n                    var model = me._model;\n                    me.update(true);\n                    me.pivot();\n\n                    // See if our tooltip position changed\n                    changed |= (model.x !== me._model.x) || (model.y !== me._model.y);\n                }\n\n                return changed;\n            }\n        });\n\n        /**\n         * @namespace Chart.Tooltip.positioners\n         */\n        Chart.Tooltip.positioners = {\n            /**\n             * Average mode places the tooltip at the average position of the elements shown\n             * @function Chart.Tooltip.positioners.average\n             * @param elements {ChartElement[]} the elements being displayed in the tooltip\n             * @returns {Point} tooltip position\n             */\n            average: function(elements) {\n                if (!elements.length) {\n                    return false;\n                }\n\n                var i, len;\n                var x = 0;\n                var y = 0;\n                var count = 0;\n\n                for (i = 0, len = elements.length; i < len; ++i) {\n                    var el = elements[i];\n                    if (el && el.hasValue()) {\n                        var pos = el.tooltipPosition();\n                        x += pos.x;\n                        y += pos.y;\n                        ++count;\n                    }\n                }\n\n                return {\n                    x: Math.round(x / count),\n                    y: Math.round(y / count)\n                };\n            },\n\n            /**\n             * Gets the tooltip position nearest of the item nearest to the event position\n             * @function Chart.Tooltip.positioners.nearest\n             * @param elements {Chart.Element[]} the tooltip elements\n             * @param eventPosition {Point} the position of the event in canvas coordinates\n             * @returns {Point} the tooltip position\n             */\n            nearest: function(elements, eventPosition) {\n                var x = eventPosition.x;\n                var y = eventPosition.y;\n                var minDistance = Number.POSITIVE_INFINITY;\n                var i, len, nearestElement;\n\n                for (i = 0, len = elements.length; i < len; ++i) {\n                    var el = elements[i];\n                    if (el && el.hasValue()) {\n                        var center = el.getCenterPoint();\n                        var d = helpers.distanceBetweenPoints(eventPosition, center);\n\n                        if (d < minDistance) {\n                            minDistance = d;\n                            nearestElement = el;\n                        }\n                    }\n                }\n\n                if (nearestElement) {\n                    var tp = nearestElement.tooltipPosition();\n                    x = tp.x;\n                    y = tp.y;\n                }\n\n                return {\n                    x: x,\n                    y: y\n                };\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],36:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        elements: {\n            arc: {\n                backgroundColor: defaults.global.defaultColor,\n                borderColor: '#fff',\n                borderWidth: 2\n            }\n        }\n    });\n\n    module.exports = Element.extend({\n        inLabelRange: function(mouseX) {\n            var vm = this._view;\n\n            if (vm) {\n                return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));\n            }\n            return false;\n        },\n\n        inRange: function(chartX, chartY) {\n            var vm = this._view;\n\n            if (vm) {\n                var pointRelativePosition = helpers.getAngleFromPoint(vm, {x: chartX, y: chartY});\n                var\tangle = pointRelativePosition.angle;\n                var distance = pointRelativePosition.distance;\n\n                // Sanitise angle range\n                var startAngle = vm.startAngle;\n                var endAngle = vm.endAngle;\n                while (endAngle < startAngle) {\n                    endAngle += 2.0 * Math.PI;\n                }\n                while (angle > endAngle) {\n                    angle -= 2.0 * Math.PI;\n                }\n                while (angle < startAngle) {\n                    angle += 2.0 * Math.PI;\n                }\n\n                // Check if within the range of the open/close angle\n                var betweenAngles = (angle >= startAngle && angle <= endAngle);\n                var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);\n\n                return (betweenAngles && withinRadius);\n            }\n            return false;\n        },\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            var halfAngle = (vm.startAngle + vm.endAngle) / 2;\n            var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;\n            return {\n                x: vm.x + Math.cos(halfAngle) * halfRadius,\n                y: vm.y + Math.sin(halfAngle) * halfRadius\n            };\n        },\n\n        getArea: function() {\n            var vm = this._view;\n            return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);\n            var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;\n\n            return {\n                x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),\n                y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)\n            };\n        },\n\n        draw: function() {\n            var ctx = this._chart.ctx;\n            var vm = this._view;\n            var sA = vm.startAngle;\n            var eA = vm.endAngle;\n\n            ctx.beginPath();\n\n            ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA);\n            ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true);\n\n            ctx.closePath();\n            ctx.strokeStyle = vm.borderColor;\n            ctx.lineWidth = vm.borderWidth;\n\n            ctx.fillStyle = vm.backgroundColor;\n\n            ctx.fill();\n            ctx.lineJoin = 'bevel';\n\n            if (vm.borderWidth) {\n                ctx.stroke();\n            }\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],37:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    var globalDefaults = defaults.global;\n\n    defaults._set('global', {\n        elements: {\n            line: {\n                tension: 0.4,\n                backgroundColor: globalDefaults.defaultColor,\n                borderWidth: 3,\n                borderColor: globalDefaults.defaultColor,\n                borderCapStyle: 'butt',\n                borderDash: [],\n                borderDashOffset: 0.0,\n                borderJoinStyle: 'miter',\n                capBezierPoints: true,\n                fill: true, // do we fill in the area between the line and its base axis\n            }\n        }\n    });\n\n    module.exports = Element.extend({\n        draw: function() {\n            var me = this;\n            var vm = me._view;\n            var ctx = me._chart.ctx;\n            var spanGaps = vm.spanGaps;\n            var points = me._children.slice(); // clone array\n            var globalOptionLineElements = globalDefaults.elements.line;\n            var lastDrawnIndex = -1;\n            var index, current, previous, currentVM;\n\n            // If we are looping, adding the first point again\n            if (me._loop && points.length) {\n                points.push(points[0]);\n            }\n\n            ctx.save();\n\n            // Stroke Line Options\n            ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;\n\n            // IE 9 and 10 do not support line dash\n            if (ctx.setLineDash) {\n                ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);\n            }\n\n            ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset;\n            ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;\n            ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth;\n            ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;\n\n            // Stroke Line\n            ctx.beginPath();\n            lastDrawnIndex = -1;\n\n            for (index = 0; index < points.length; ++index) {\n                current = points[index];\n                previous = helpers.previousItem(points, index);\n                currentVM = current._view;\n\n                // First point moves to it's starting position no matter what\n                if (index === 0) {\n                    if (!currentVM.skip) {\n                        ctx.moveTo(currentVM.x, currentVM.y);\n                        lastDrawnIndex = index;\n                    }\n                } else {\n                    previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex];\n\n                    if (!currentVM.skip) {\n                        if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {\n                            // There was a gap and this is the first point after the gap\n                            ctx.moveTo(currentVM.x, currentVM.y);\n                        } else {\n                            // Line to next point\n                            helpers.canvas.lineTo(ctx, previous._view, current._view);\n                        }\n                        lastDrawnIndex = index;\n                    }\n                }\n            }\n\n            ctx.stroke();\n            ctx.restore();\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],38:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    var defaultColor = defaults.global.defaultColor;\n\n    defaults._set('global', {\n        elements: {\n            point: {\n                radius: 3,\n                pointStyle: 'circle',\n                backgroundColor: defaultColor,\n                borderColor: defaultColor,\n                borderWidth: 1,\n                // Hover\n                hitRadius: 1,\n                hoverRadius: 4,\n                hoverBorderWidth: 1\n            }\n        }\n    });\n\n    function xRange(mouseX) {\n        var vm = this._view;\n        return vm ? (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n    }\n\n    function yRange(mouseY) {\n        var vm = this._view;\n        return vm ? (Math.pow(mouseY - vm.y, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n    }\n\n    module.exports = Element.extend({\n        inRange: function(mouseX, mouseY) {\n            var vm = this._view;\n            return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;\n        },\n\n        inLabelRange: xRange,\n        inXRange: xRange,\n        inYRange: yRange,\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y\n            };\n        },\n\n        getArea: function() {\n            return Math.PI * Math.pow(this._view.radius, 2);\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y,\n                padding: vm.radius + vm.borderWidth\n            };\n        },\n\n        draw: function(chartArea) {\n            var vm = this._view;\n            var model = this._model;\n            var ctx = this._chart.ctx;\n            var pointStyle = vm.pointStyle;\n            var radius = vm.radius;\n            var x = vm.x;\n            var y = vm.y;\n            var color = helpers.color;\n            var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.)\n            var ratio = 0;\n\n            if (vm.skip) {\n                return;\n            }\n\n            ctx.strokeStyle = vm.borderColor || defaultColor;\n            ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth);\n            ctx.fillStyle = vm.backgroundColor || defaultColor;\n\n            // Cliping for Points.\n            // going out from inner charArea?\n            if ((chartArea !== undefined) && ((model.x < chartArea.left) || (chartArea.right * errMargin < model.x) || (model.y < chartArea.top) || (chartArea.bottom * errMargin < model.y))) {\n                // Point fade out\n                if (model.x < chartArea.left) {\n                    ratio = (x - model.x) / (chartArea.left - model.x);\n                } else if (chartArea.right * errMargin < model.x) {\n                    ratio = (model.x - x) / (model.x - chartArea.right);\n                } else if (model.y < chartArea.top) {\n                    ratio = (y - model.y) / (chartArea.top - model.y);\n                } else if (chartArea.bottom * errMargin < model.y) {\n                    ratio = (model.y - y) / (model.y - chartArea.bottom);\n                }\n                ratio = Math.round(ratio * 100) / 100;\n                ctx.strokeStyle = color(ctx.strokeStyle).alpha(ratio).rgbString();\n                ctx.fillStyle = color(ctx.fillStyle).alpha(ratio).rgbString();\n            }\n\n            helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y);\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],39:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n\n    defaults._set('global', {\n        elements: {\n            rectangle: {\n                backgroundColor: defaults.global.defaultColor,\n                borderColor: defaults.global.defaultColor,\n                borderSkipped: 'bottom',\n                borderWidth: 0\n            }\n        }\n    });\n\n    function isVertical(bar) {\n        return bar._view.width !== undefined;\n    }\n\n    /**\n     * Helper function to get the bounds of the bar regardless of the orientation\n     * @param bar {Chart.Element.Rectangle} the bar\n     * @return {Bounds} bounds of the bar\n     * @private\n     */\n    function getBarBounds(bar) {\n        var vm = bar._view;\n        var x1, x2, y1, y2;\n\n        if (isVertical(bar)) {\n            // vertical\n            var halfWidth = vm.width / 2;\n            x1 = vm.x - halfWidth;\n            x2 = vm.x + halfWidth;\n            y1 = Math.min(vm.y, vm.base);\n            y2 = Math.max(vm.y, vm.base);\n        } else {\n            // horizontal bar\n            var halfHeight = vm.height / 2;\n            x1 = Math.min(vm.x, vm.base);\n            x2 = Math.max(vm.x, vm.base);\n            y1 = vm.y - halfHeight;\n            y2 = vm.y + halfHeight;\n        }\n\n        return {\n            left: x1,\n            top: y1,\n            right: x2,\n            bottom: y2\n        };\n    }\n\n    module.exports = Element.extend({\n        draw: function() {\n            var ctx = this._chart.ctx;\n            var vm = this._view;\n            var left, right, top, bottom, signX, signY, borderSkipped;\n            var borderWidth = vm.borderWidth;\n\n            if (!vm.horizontal) {\n                // bar\n                left = vm.x - vm.width / 2;\n                right = vm.x + vm.width / 2;\n                top = vm.y;\n                bottom = vm.base;\n                signX = 1;\n                signY = bottom > top ? 1 : -1;\n                borderSkipped = vm.borderSkipped || 'bottom';\n            } else {\n                // horizontal bar\n                left = vm.base;\n                right = vm.x;\n                top = vm.y - vm.height / 2;\n                bottom = vm.y + vm.height / 2;\n                signX = right > left ? 1 : -1;\n                signY = 1;\n                borderSkipped = vm.borderSkipped || 'left';\n            }\n\n            // Canvas doesn't allow us to stroke inside the width so we can\n            // adjust the sizes to fit if we're setting a stroke on the line\n            if (borderWidth) {\n                // borderWidth shold be less than bar width and bar height.\n                var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom));\n                borderWidth = borderWidth > barSize ? barSize : borderWidth;\n                var halfStroke = borderWidth / 2;\n                // Adjust borderWidth when bar top position is near vm.base(zero).\n                var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0);\n                var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0);\n                var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0);\n                var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0);\n                // not become a vertical line?\n                if (borderLeft !== borderRight) {\n                    top = borderTop;\n                    bottom = borderBottom;\n                }\n                // not become a horizontal line?\n                if (borderTop !== borderBottom) {\n                    left = borderLeft;\n                    right = borderRight;\n                }\n            }\n\n            ctx.beginPath();\n            ctx.fillStyle = vm.backgroundColor;\n            ctx.strokeStyle = vm.borderColor;\n            ctx.lineWidth = borderWidth;\n\n            // Corner points, from bottom-left to bottom-right clockwise\n            // | 1 2 |\n            // | 0 3 |\n            var corners = [\n                [left, bottom],\n                [left, top],\n                [right, top],\n                [right, bottom]\n            ];\n\n            // Find first (starting) corner with fallback to 'bottom'\n            var borders = ['bottom', 'left', 'top', 'right'];\n            var startCorner = borders.indexOf(borderSkipped, 0);\n            if (startCorner === -1) {\n                startCorner = 0;\n            }\n\n            function cornerAt(index) {\n                return corners[(startCorner + index) % 4];\n            }\n\n            // Draw rectangle from 'startCorner'\n            var corner = cornerAt(0);\n            ctx.moveTo(corner[0], corner[1]);\n\n            for (var i = 1; i < 4; i++) {\n                corner = cornerAt(i);\n                ctx.lineTo(corner[0], corner[1]);\n            }\n\n            ctx.fill();\n            if (borderWidth) {\n                ctx.stroke();\n            }\n        },\n\n        height: function() {\n            var vm = this._view;\n            return vm.base - vm.y;\n        },\n\n        inRange: function(mouseX, mouseY) {\n            var inRange = false;\n\n            if (this._view) {\n                var bounds = getBarBounds(this);\n                inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom;\n            }\n\n            return inRange;\n        },\n\n        inLabelRange: function(mouseX, mouseY) {\n            var me = this;\n            if (!me._view) {\n                return false;\n            }\n\n            var inRange = false;\n            var bounds = getBarBounds(me);\n\n            if (isVertical(me)) {\n                inRange = mouseX >= bounds.left && mouseX <= bounds.right;\n            } else {\n                inRange = mouseY >= bounds.top && mouseY <= bounds.bottom;\n            }\n\n            return inRange;\n        },\n\n        inXRange: function(mouseX) {\n            var bounds = getBarBounds(this);\n            return mouseX >= bounds.left && mouseX <= bounds.right;\n        },\n\n        inYRange: function(mouseY) {\n            var bounds = getBarBounds(this);\n            return mouseY >= bounds.top && mouseY <= bounds.bottom;\n        },\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            var x, y;\n            if (isVertical(this)) {\n                x = vm.x;\n                y = (vm.y + vm.base) / 2;\n            } else {\n                x = (vm.x + vm.base) / 2;\n                y = vm.y;\n            }\n\n            return {x: x, y: y};\n        },\n\n        getArea: function() {\n            var vm = this._view;\n            return vm.width * Math.abs(vm.y - vm.base);\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y\n            };\n        }\n    });\n\n},{\"25\":25,\"26\":26}],40:[function(require,module,exports){\n    'use strict';\n\n    module.exports = {};\n    module.exports.Arc = require(36);\n    module.exports.Line = require(37);\n    module.exports.Point = require(38);\n    module.exports.Rectangle = require(39);\n\n},{\"36\":36,\"37\":37,\"38\":38,\"39\":39}],41:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * @namespace Chart.helpers.canvas\n     */\n    var exports = module.exports = {\n        /**\n         * Clears the entire canvas associated to the given `chart`.\n         * @param {Chart} chart - The chart for which to clear the canvas.\n         */\n        clear: function(chart) {\n            chart.ctx.clearRect(0, 0, chart.width, chart.height);\n        },\n\n        /**\n         * Creates a \"path\" for a rectangle with rounded corners at position (x, y) with a\n         * given size (width, height) and the same `radius` for all corners.\n         * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.\n         * @param {Number} x - The x axis of the coordinate for the rectangle starting point.\n         * @param {Number} y - The y axis of the coordinate for the rectangle starting point.\n         * @param {Number} width - The rectangle's width.\n         * @param {Number} height - The rectangle's height.\n         * @param {Number} radius - The rounded amount (in pixels) for the four corners.\n         * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?\n         */\n        roundedRect: function(ctx, x, y, width, height, radius) {\n            if (radius) {\n                var rx = Math.min(radius, width / 2);\n                var ry = Math.min(radius, height / 2);\n\n                ctx.moveTo(x + rx, y);\n                ctx.lineTo(x + width - rx, y);\n                ctx.quadraticCurveTo(x + width, y, x + width, y + ry);\n                ctx.lineTo(x + width, y + height - ry);\n                ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height);\n                ctx.lineTo(x + rx, y + height);\n                ctx.quadraticCurveTo(x, y + height, x, y + height - ry);\n                ctx.lineTo(x, y + ry);\n                ctx.quadraticCurveTo(x, y, x + rx, y);\n            } else {\n                ctx.rect(x, y, width, height);\n            }\n        },\n\n        drawPoint: function(ctx, style, radius, x, y) {\n            var type, edgeLength, xOffset, yOffset, height, size;\n\n            if (typeof style === 'object') {\n                type = style.toString();\n                if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\n                    ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height);\n                    return;\n                }\n            }\n\n            if (isNaN(radius) || radius <= 0) {\n                return;\n            }\n\n            switch (style) {\n                // Default includes circle\n                default:\n                    ctx.beginPath();\n                    ctx.arc(x, y, radius, 0, Math.PI * 2);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'triangle':\n                    ctx.beginPath();\n                    edgeLength = 3 * radius / Math.sqrt(3);\n                    height = edgeLength * Math.sqrt(3) / 2;\n                    ctx.moveTo(x - edgeLength / 2, y + height / 3);\n                    ctx.lineTo(x + edgeLength / 2, y + height / 3);\n                    ctx.lineTo(x, y - 2 * height / 3);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'rect':\n                    size = 1 / Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    ctx.fillRect(x - size, y - size, 2 * size, 2 * size);\n                    ctx.strokeRect(x - size, y - size, 2 * size, 2 * size);\n                    break;\n                case 'rectRounded':\n                    var offset = radius / Math.SQRT2;\n                    var leftX = x - offset;\n                    var topY = y - offset;\n                    var sideSize = Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius / 2);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'rectRot':\n                    size = 1 / Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    ctx.moveTo(x - size, y);\n                    ctx.lineTo(x, y + size);\n                    ctx.lineTo(x + size, y);\n                    ctx.lineTo(x, y - size);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'cross':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y + radius);\n                    ctx.lineTo(x, y - radius);\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n                case 'crossRot':\n                    ctx.beginPath();\n                    xOffset = Math.cos(Math.PI / 4) * radius;\n                    yOffset = Math.sin(Math.PI / 4) * radius;\n                    ctx.moveTo(x - xOffset, y - yOffset);\n                    ctx.lineTo(x + xOffset, y + yOffset);\n                    ctx.moveTo(x - xOffset, y + yOffset);\n                    ctx.lineTo(x + xOffset, y - yOffset);\n                    ctx.closePath();\n                    break;\n                case 'star':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y + radius);\n                    ctx.lineTo(x, y - radius);\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    xOffset = Math.cos(Math.PI / 4) * radius;\n                    yOffset = Math.sin(Math.PI / 4) * radius;\n                    ctx.moveTo(x - xOffset, y - yOffset);\n                    ctx.lineTo(x + xOffset, y + yOffset);\n                    ctx.moveTo(x - xOffset, y + yOffset);\n                    ctx.lineTo(x + xOffset, y - yOffset);\n                    ctx.closePath();\n                    break;\n                case 'line':\n                    ctx.beginPath();\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n                case 'dash':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n            }\n\n            ctx.stroke();\n        },\n\n        clipArea: function(ctx, area) {\n            ctx.save();\n            ctx.beginPath();\n            ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\n            ctx.clip();\n        },\n\n        unclipArea: function(ctx) {\n            ctx.restore();\n        },\n\n        lineTo: function(ctx, previous, target, flip) {\n            if (target.steppedLine) {\n                if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) {\n                    ctx.lineTo(previous.x, target.y);\n                } else {\n                    ctx.lineTo(target.x, previous.y);\n                }\n                ctx.lineTo(target.x, target.y);\n                return;\n            }\n\n            if (!target.tension) {\n                ctx.lineTo(target.x, target.y);\n                return;\n            }\n\n            ctx.bezierCurveTo(\n                flip ? previous.controlPointPreviousX : previous.controlPointNextX,\n                flip ? previous.controlPointPreviousY : previous.controlPointNextY,\n                flip ? target.controlPointNextX : target.controlPointPreviousX,\n                flip ? target.controlPointNextY : target.controlPointPreviousY,\n                target.x,\n                target.y);\n        }\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.\n     * @namespace Chart.helpers.clear\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.clear = exports.clear;\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.\n     * @namespace Chart.helpers.drawRoundedRectangle\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.drawRoundedRectangle = function(ctx) {\n        ctx.beginPath();\n        exports.roundedRect.apply(exports, arguments);\n        ctx.closePath();\n    };\n\n},{\"42\":42}],42:[function(require,module,exports){\n    'use strict';\n\n    /**\n     * @namespace Chart.helpers\n     */\n    var helpers = {\n        /**\n         * An empty function that can be used, for example, for optional callback.\n         */\n        noop: function() {},\n\n        /**\n         * Returns a unique id, sequentially generated from a global variable.\n         * @returns {Number}\n         * @function\n         */\n        uid: (function() {\n            var id = 0;\n            return function() {\n                return id++;\n            };\n        }()),\n\n        /**\n         * Returns true if `value` is neither null nor undefined, else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @since 2.7.0\n         */\n        isNullOrUndef: function(value) {\n            return value === null || typeof value === 'undefined';\n        },\n\n        /**\n         * Returns true if `value` is an array, else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @function\n         */\n        isArray: Array.isArray ? Array.isArray : function(value) {\n            return Object.prototype.toString.call(value) === '[object Array]';\n        },\n\n        /**\n         * Returns true if `value` is an object (excluding null), else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @since 2.7.0\n         */\n        isObject: function(value) {\n            return value !== null && Object.prototype.toString.call(value) === '[object Object]';\n        },\n\n        /**\n         * Returns `value` if defined, else returns `defaultValue`.\n         * @param {*} value - The value to return if defined.\n         * @param {*} defaultValue - The value to return if `value` is undefined.\n         * @returns {*}\n         */\n        valueOrDefault: function(value, defaultValue) {\n            return typeof value === 'undefined' ? defaultValue : value;\n        },\n\n        /**\n         * Returns value at the given `index` in array if defined, else returns `defaultValue`.\n         * @param {Array} value - The array to lookup for value at `index`.\n         * @param {Number} index - The index in `value` to lookup for value.\n         * @param {*} defaultValue - The value to return if `value[index]` is undefined.\n         * @returns {*}\n         */\n        valueAtIndexOrDefault: function(value, index, defaultValue) {\n            return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);\n        },\n\n        /**\n         * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the\n         * value returned by `fn`. If `fn` is not a function, this method returns undefined.\n         * @param {Function} fn - The function to call.\n         * @param {Array|undefined|null} args - The arguments with which `fn` should be called.\n         * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n         * @returns {*}\n         */\n        callback: function(fn, args, thisArg) {\n            if (fn && typeof fn.call === 'function') {\n                return fn.apply(thisArg, args);\n            }\n        },\n\n        /**\n         * Note(SB) for performance sake, this method should only be used when loopable type\n         * is unknown or in none intensive code (not called often and small loopable). Else\n         * it's preferable to use a regular for() loop and save extra function calls.\n         * @param {Object|Array} loopable - The object or array to be iterated.\n         * @param {Function} fn - The function to call for each item.\n         * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n         * @param {Boolean} [reverse] - If true, iterates backward on the loopable.\n         */\n        each: function(loopable, fn, thisArg, reverse) {\n            var i, len, keys;\n            if (helpers.isArray(loopable)) {\n                len = loopable.length;\n                if (reverse) {\n                    for (i = len - 1; i >= 0; i--) {\n                        fn.call(thisArg, loopable[i], i);\n                    }\n                } else {\n                    for (i = 0; i < len; i++) {\n                        fn.call(thisArg, loopable[i], i);\n                    }\n                }\n            } else if (helpers.isObject(loopable)) {\n                keys = Object.keys(loopable);\n                len = keys.length;\n                for (i = 0; i < len; i++) {\n                    fn.call(thisArg, loopable[keys[i]], keys[i]);\n                }\n            }\n        },\n\n        /**\n         * Returns true if the `a0` and `a1` arrays have the same content, else returns false.\n         * @see http://stackoverflow.com/a/14853974\n         * @param {Array} a0 - The array to compare\n         * @param {Array} a1 - The array to compare\n         * @returns {Boolean}\n         */\n        arrayEquals: function(a0, a1) {\n            var i, ilen, v0, v1;\n\n            if (!a0 || !a1 || a0.length !== a1.length) {\n                return false;\n            }\n\n            for (i = 0, ilen = a0.length; i < ilen; ++i) {\n                v0 = a0[i];\n                v1 = a1[i];\n\n                if (v0 instanceof Array && v1 instanceof Array) {\n                    if (!helpers.arrayEquals(v0, v1)) {\n                        return false;\n                    }\n                } else if (v0 !== v1) {\n                    // NOTE: two different object instances will never be equal: {x:20} != {x:20}\n                    return false;\n                }\n            }\n\n            return true;\n        },\n\n        /**\n         * Returns a deep copy of `source` without keeping references on objects and arrays.\n         * @param {*} source - The value to clone.\n         * @returns {*}\n         */\n        clone: function(source) {\n            if (helpers.isArray(source)) {\n                return source.map(helpers.clone);\n            }\n\n            if (helpers.isObject(source)) {\n                var target = {};\n                var keys = Object.keys(source);\n                var klen = keys.length;\n                var k = 0;\n\n                for (; k < klen; ++k) {\n                    target[keys[k]] = helpers.clone(source[keys[k]]);\n                }\n\n                return target;\n            }\n\n            return source;\n        },\n\n        /**\n         * The default merger when Chart.helpers.merge is called without merger option.\n         * Note(SB): this method is also used by configMerge and scaleMerge as fallback.\n         * @private\n         */\n        _merger: function(key, target, source, options) {\n            var tval = target[key];\n            var sval = source[key];\n\n            if (helpers.isObject(tval) && helpers.isObject(sval)) {\n                helpers.merge(tval, sval, options);\n            } else {\n                target[key] = helpers.clone(sval);\n            }\n        },\n\n        /**\n         * Merges source[key] in target[key] only if target[key] is undefined.\n         * @private\n         */\n        _mergerIf: function(key, target, source) {\n            var tval = target[key];\n            var sval = source[key];\n\n            if (helpers.isObject(tval) && helpers.isObject(sval)) {\n                helpers.mergeIf(tval, sval);\n            } else if (!target.hasOwnProperty(key)) {\n                target[key] = helpers.clone(sval);\n            }\n        },\n\n        /**\n         * Recursively deep copies `source` properties into `target` with the given `options`.\n         * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n         * @param {Object} target - The target object in which all sources are merged into.\n         * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n         * @param {Object} [options] - Merging options:\n         * @param {Function} [options.merger] - The merge method (key, target, source, options)\n         * @returns {Object} The `target` object.\n         */\n        merge: function(target, source, options) {\n            var sources = helpers.isArray(source) ? source : [source];\n            var ilen = sources.length;\n            var merge, i, keys, klen, k;\n\n            if (!helpers.isObject(target)) {\n                return target;\n            }\n\n            options = options || {};\n            merge = options.merger || helpers._merger;\n\n            for (i = 0; i < ilen; ++i) {\n                source = sources[i];\n                if (!helpers.isObject(source)) {\n                    continue;\n                }\n\n                keys = Object.keys(source);\n                for (k = 0, klen = keys.length; k < klen; ++k) {\n                    merge(keys[k], target, source, options);\n                }\n            }\n\n            return target;\n        },\n\n        /**\n         * Recursively deep copies `source` properties into `target` *only* if not defined in target.\n         * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n         * @param {Object} target - The target object in which all sources are merged into.\n         * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n         * @returns {Object} The `target` object.\n         */\n        mergeIf: function(target, source) {\n            return helpers.merge(target, source, {merger: helpers._mergerIf});\n        }\n    };\n\n    module.exports = helpers;\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.callback instead.\n     * @function Chart.helpers.callCallback\n     * @deprecated since version 2.6.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.callCallback = helpers.callback;\n\n    /**\n     * Provided for backward compatibility, use Array.prototype.indexOf instead.\n     * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+\n     * @function Chart.helpers.indexOf\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.indexOf = function(array, item, fromIndex) {\n        return Array.prototype.indexOf.call(array, item, fromIndex);\n    };\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.\n     * @function Chart.helpers.getValueOrDefault\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.getValueOrDefault = helpers.valueOrDefault;\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.\n     * @function Chart.helpers.getValueAtIndexOrDefault\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n},{}],43:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * Easing functions adapted from Robert Penner's easing equations.\n     * @namespace Chart.helpers.easingEffects\n     * @see http://www.robertpenner.com/easing/\n     */\n    var effects = {\n        linear: function(t) {\n            return t;\n        },\n\n        easeInQuad: function(t) {\n            return t * t;\n        },\n\n        easeOutQuad: function(t) {\n            return -t * (t - 2);\n        },\n\n        easeInOutQuad: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t;\n            }\n            return -0.5 * ((--t) * (t - 2) - 1);\n        },\n\n        easeInCubic: function(t) {\n            return t * t * t;\n        },\n\n        easeOutCubic: function(t) {\n            return (t = t - 1) * t * t + 1;\n        },\n\n        easeInOutCubic: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t;\n            }\n            return 0.5 * ((t -= 2) * t * t + 2);\n        },\n\n        easeInQuart: function(t) {\n            return t * t * t * t;\n        },\n\n        easeOutQuart: function(t) {\n            return -((t = t - 1) * t * t * t - 1);\n        },\n\n        easeInOutQuart: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t * t;\n            }\n            return -0.5 * ((t -= 2) * t * t * t - 2);\n        },\n\n        easeInQuint: function(t) {\n            return t * t * t * t * t;\n        },\n\n        easeOutQuint: function(t) {\n            return (t = t - 1) * t * t * t * t + 1;\n        },\n\n        easeInOutQuint: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t * t * t;\n            }\n            return 0.5 * ((t -= 2) * t * t * t * t + 2);\n        },\n\n        easeInSine: function(t) {\n            return -Math.cos(t * (Math.PI / 2)) + 1;\n        },\n\n        easeOutSine: function(t) {\n            return Math.sin(t * (Math.PI / 2));\n        },\n\n        easeInOutSine: function(t) {\n            return -0.5 * (Math.cos(Math.PI * t) - 1);\n        },\n\n        easeInExpo: function(t) {\n            return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));\n        },\n\n        easeOutExpo: function(t) {\n            return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;\n        },\n\n        easeInOutExpo: function(t) {\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if ((t /= 0.5) < 1) {\n                return 0.5 * Math.pow(2, 10 * (t - 1));\n            }\n            return 0.5 * (-Math.pow(2, -10 * --t) + 2);\n        },\n\n        easeInCirc: function(t) {\n            if (t >= 1) {\n                return t;\n            }\n            return -(Math.sqrt(1 - t * t) - 1);\n        },\n\n        easeOutCirc: function(t) {\n            return Math.sqrt(1 - (t = t - 1) * t);\n        },\n\n        easeInOutCirc: function(t) {\n            if ((t /= 0.5) < 1) {\n                return -0.5 * (Math.sqrt(1 - t * t) - 1);\n            }\n            return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);\n        },\n\n        easeInElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.3;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n        },\n\n        easeOutElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.3;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;\n        },\n\n        easeInOutElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if ((t /= 0.5) === 2) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.45;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            if (t < 1) {\n                return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n            }\n            return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;\n        },\n        easeInBack: function(t) {\n            var s = 1.70158;\n            return t * t * ((s + 1) * t - s);\n        },\n\n        easeOutBack: function(t) {\n            var s = 1.70158;\n            return (t = t - 1) * t * ((s + 1) * t + s) + 1;\n        },\n\n        easeInOutBack: function(t) {\n            var s = 1.70158;\n            if ((t /= 0.5) < 1) {\n                return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));\n            }\n            return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);\n        },\n\n        easeInBounce: function(t) {\n            return 1 - effects.easeOutBounce(1 - t);\n        },\n\n        easeOutBounce: function(t) {\n            if (t < (1 / 2.75)) {\n                return 7.5625 * t * t;\n            }\n            if (t < (2 / 2.75)) {\n                return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;\n            }\n            if (t < (2.5 / 2.75)) {\n                return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;\n            }\n            return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;\n        },\n\n        easeInOutBounce: function(t) {\n            if (t < 0.5) {\n                return effects.easeInBounce(t * 2) * 0.5;\n            }\n            return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;\n        }\n    };\n\n    module.exports = {\n        effects: effects\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.easing.effects instead.\n     * @function Chart.helpers.easingEffects\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.easingEffects = effects;\n\n},{\"42\":42}],44:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * @alias Chart.helpers.options\n     * @namespace\n     */\n    module.exports = {\n        /**\n         * Converts the given line height `value` in pixels for a specific font `size`.\n         * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').\n         * @param {Number} size - The font size (in pixels) used to resolve relative `value`.\n         * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid).\n         * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height\n         * @since 2.7.0\n         */\n        toLineHeight: function(value, size) {\n            var matches = ('' + value).match(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\n            if (!matches || matches[1] === 'normal') {\n                return size * 1.2;\n            }\n\n            value = +matches[2];\n\n            switch (matches[3]) {\n                case 'px':\n                    return value;\n                case '%':\n                    value /= 100;\n                    break;\n                default:\n                    break;\n            }\n\n            return size * value;\n        },\n\n        /**\n         * Converts the given value into a padding object with pre-computed width/height.\n         * @param {Number|Object} value - If a number, set the value to all TRBL component,\n         *  else, if and object, use defined properties and sets undefined ones to 0.\n         * @returns {Object} The padding values (top, right, bottom, left, width, height)\n         * @since 2.7.0\n         */\n        toPadding: function(value) {\n            var t, r, b, l;\n\n            if (helpers.isObject(value)) {\n                t = +value.top || 0;\n                r = +value.right || 0;\n                b = +value.bottom || 0;\n                l = +value.left || 0;\n            } else {\n                t = r = b = l = +value || 0;\n            }\n\n            return {\n                top: t,\n                right: r,\n                bottom: b,\n                left: l,\n                height: t + b,\n                width: l + r\n            };\n        },\n\n        /**\n         * Evaluates the given `inputs` sequentially and returns the first defined value.\n         * @param {Array[]} inputs - An array of values, falling back to the last value.\n         * @param {Object} [context] - If defined and the current value is a function, the value\n         * is called with `context` as first argument and the result becomes the new input.\n         * @param {Number} [index] - If defined and the current value is an array, the value\n         * at `index` become the new input.\n         * @since 2.7.0\n         */\n        resolve: function(inputs, context, index) {\n            var i, ilen, value;\n\n            for (i = 0, ilen = inputs.length; i < ilen; ++i) {\n                value = inputs[i];\n                if (value === undefined) {\n                    continue;\n                }\n                if (context !== undefined && typeof value === 'function') {\n                    value = value(context);\n                }\n                if (index !== undefined && helpers.isArray(value)) {\n                    value = value[index];\n                }\n                if (value !== undefined) {\n                    return value;\n                }\n            }\n        }\n    };\n\n},{\"42\":42}],45:[function(require,module,exports){\n    'use strict';\n\n    module.exports = require(42);\n    module.exports.easing = require(43);\n    module.exports.canvas = require(41);\n    module.exports.options = require(44);\n\n},{\"41\":41,\"42\":42,\"43\":43,\"44\":44}],46:[function(require,module,exports){\n    /**\n     * Platform fallback implementation (minimal).\n     * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939\n     */\n\n    module.exports = {\n        acquireContext: function(item) {\n            if (item && item.canvas) {\n                // Support for any object associated to a canvas (including a context2d)\n                item = item.canvas;\n            }\n\n            return item && item.getContext('2d') || null;\n        }\n    };\n\n},{}],47:[function(require,module,exports){\n    /**\n     * Chart.Platform implementation for targeting a web browser\n     */\n\n    'use strict';\n\n    var helpers = require(45);\n\n    var EXPANDO_KEY = '$chartjs';\n    var CSS_PREFIX = 'chartjs-';\n    var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';\n    var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';\n    var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];\n\n    /**\n     * DOM event types -> Chart.js event types.\n     * Note: only events with different types are mapped.\n     * @see https://developer.mozilla.org/en-US/docs/Web/Events\n     */\n    var EVENT_TYPES = {\n        touchstart: 'mousedown',\n        touchmove: 'mousemove',\n        touchend: 'mouseup',\n        pointerenter: 'mouseenter',\n        pointerdown: 'mousedown',\n        pointermove: 'mousemove',\n        pointerup: 'mouseup',\n        pointerleave: 'mouseout',\n        pointerout: 'mouseout'\n    };\n\n    /**\n     * The \"used\" size is the final value of a dimension property after all calculations have\n     * been performed. This method uses the computed style of `element` but returns undefined\n     * if the computed style is not expressed in pixels. That can happen in some cases where\n     * `element` has a size relative to its parent and this last one is not yet displayed,\n     * for example because of `display: none` on a parent node.\n     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value\n     * @returns {Number} Size in pixels or undefined if unknown.\n     */\n    function readUsedSize(element, property) {\n        var value = helpers.getStyle(element, property);\n        var matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\n        return matches ? Number(matches[1]) : undefined;\n    }\n\n    /**\n     * Initializes the canvas style and render size without modifying the canvas display size,\n     * since responsiveness is handled by the controller.resize() method. The config is used\n     * to determine the aspect ratio to apply in case no explicit height has been specified.\n     */\n    function initCanvas(canvas, config) {\n        var style = canvas.style;\n\n        // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it\n        // returns null or '' if no explicit value has been set to the canvas attribute.\n        var renderHeight = canvas.getAttribute('height');\n        var renderWidth = canvas.getAttribute('width');\n\n        // Chart.js modifies some canvas values that we want to restore on destroy\n        canvas[EXPANDO_KEY] = {\n            initial: {\n                height: renderHeight,\n                width: renderWidth,\n                style: {\n                    display: style.display,\n                    height: style.height,\n                    width: style.width\n                }\n            }\n        };\n\n        // Force canvas to display as block to avoid extra space caused by inline\n        // elements, which would interfere with the responsive resize process.\n        // https://github.com/chartjs/Chart.js/issues/2538\n        style.display = style.display || 'block';\n\n        if (renderWidth === null || renderWidth === '') {\n            var displayWidth = readUsedSize(canvas, 'width');\n            if (displayWidth !== undefined) {\n                canvas.width = displayWidth;\n            }\n        }\n\n        if (renderHeight === null || renderHeight === '') {\n            if (canvas.style.height === '') {\n                // If no explicit render height and style height, let's apply the aspect ratio,\n                // which one can be specified by the user but also by charts as default option\n                // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.\n                canvas.height = canvas.width / (config.options.aspectRatio || 2);\n            } else {\n                var displayHeight = readUsedSize(canvas, 'height');\n                if (displayWidth !== undefined) {\n                    canvas.height = displayHeight;\n                }\n            }\n        }\n\n        return canvas;\n    }\n\n    /**\n     * Detects support for options object argument in addEventListener.\n     * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support\n     * @private\n     */\n    var supportsEventListenerOptions = (function() {\n        var supports = false;\n        try {\n            var options = Object.defineProperty({}, 'passive', {\n                get: function() {\n                    supports = true;\n                }\n            });\n            window.addEventListener('e', null, options);\n        } catch (e) {\n            // continue regardless of error\n        }\n        return supports;\n    }());\n\n// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.\n// https://github.com/chartjs/Chart.js/issues/4287\n    var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;\n\n    function addEventListener(node, type, listener) {\n        node.addEventListener(type, listener, eventListenerOptions);\n    }\n\n    function removeEventListener(node, type, listener) {\n        node.removeEventListener(type, listener, eventListenerOptions);\n    }\n\n    function createEvent(type, chart, x, y, nativeEvent) {\n        return {\n            type: type,\n            chart: chart,\n            native: nativeEvent || null,\n            x: x !== undefined ? x : null,\n            y: y !== undefined ? y : null,\n        };\n    }\n\n    function fromNativeEvent(event, chart) {\n        var type = EVENT_TYPES[event.type] || event.type;\n        var pos = helpers.getRelativePosition(event, chart);\n        return createEvent(type, chart, pos.x, pos.y, event);\n    }\n\n    function throttled(fn, thisArg) {\n        var ticking = false;\n        var args = [];\n\n        return function() {\n            args = Array.prototype.slice.call(arguments);\n            thisArg = thisArg || this;\n\n            if (!ticking) {\n                ticking = true;\n                helpers.requestAnimFrame.call(window, function() {\n                    ticking = false;\n                    fn.apply(thisArg, args);\n                });\n            }\n        };\n    }\n\n// Implementation based on https://github.com/marcj/css-element-queries\n    function createResizer(handler) {\n        var resizer = document.createElement('div');\n        var cls = CSS_PREFIX + 'size-monitor';\n        var maxSize = 1000000;\n        var style =\n            'position:absolute;' +\n            'left:0;' +\n            'top:0;' +\n            'right:0;' +\n            'bottom:0;' +\n            'overflow:hidden;' +\n            'pointer-events:none;' +\n            'visibility:hidden;' +\n            'z-index:-1;';\n\n        resizer.style.cssText = style;\n        resizer.className = cls;\n        resizer.innerHTML =\n            '<div class=\"' + cls + '-expand\" style=\"' + style + '\">' +\n            '<div style=\"' +\n            'position:absolute;' +\n            'width:' + maxSize + 'px;' +\n            'height:' + maxSize + 'px;' +\n            'left:0;' +\n            'top:0\">' +\n            '</div>' +\n            '</div>' +\n            '<div class=\"' + cls + '-shrink\" style=\"' + style + '\">' +\n            '<div style=\"' +\n            'position:absolute;' +\n            'width:200%;' +\n            'height:200%;' +\n            'left:0; ' +\n            'top:0\">' +\n            '</div>' +\n            '</div>';\n\n        var expand = resizer.childNodes[0];\n        var shrink = resizer.childNodes[1];\n\n        resizer._reset = function() {\n            expand.scrollLeft = maxSize;\n            expand.scrollTop = maxSize;\n            shrink.scrollLeft = maxSize;\n            shrink.scrollTop = maxSize;\n        };\n        var onScroll = function() {\n            resizer._reset();\n            handler();\n        };\n\n        addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand'));\n        addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));\n\n        return resizer;\n    }\n\n// https://davidwalsh.name/detect-node-insertion\n    function watchForRender(node, handler) {\n        var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n        var proxy = expando.renderProxy = function(e) {\n            if (e.animationName === CSS_RENDER_ANIMATION) {\n                handler();\n            }\n        };\n\n        helpers.each(ANIMATION_START_EVENTS, function(type) {\n            addEventListener(node, type, proxy);\n        });\n\n        node.classList.add(CSS_RENDER_MONITOR);\n    }\n\n    function unwatchForRender(node) {\n        var expando = node[EXPANDO_KEY] || {};\n        var proxy = expando.renderProxy;\n\n        if (proxy) {\n            helpers.each(ANIMATION_START_EVENTS, function(type) {\n                removeEventListener(node, type, proxy);\n            });\n\n            delete expando.renderProxy;\n        }\n\n        node.classList.remove(CSS_RENDER_MONITOR);\n    }\n\n    function addResizeListener(node, listener, chart) {\n        var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n\n        // Let's keep track of this added resizer and thus avoid DOM query when removing it.\n        var resizer = expando.resizer = createResizer(throttled(function() {\n            if (expando.resizer) {\n                return listener(createEvent('resize', chart));\n            }\n        }));\n\n        // The resizer needs to be attached to the node parent, so we first need to be\n        // sure that `node` is attached to the DOM before injecting the resizer element.\n        watchForRender(node, function() {\n            if (expando.resizer) {\n                var container = node.parentNode;\n                if (container && container !== resizer.parentNode) {\n                    container.insertBefore(resizer, container.firstChild);\n                }\n\n                // The container size might have changed, let's reset the resizer state.\n                resizer._reset();\n            }\n        });\n    }\n\n    function removeResizeListener(node) {\n        var expando = node[EXPANDO_KEY] || {};\n        var resizer = expando.resizer;\n\n        delete expando.resizer;\n        unwatchForRender(node);\n\n        if (resizer && resizer.parentNode) {\n            resizer.parentNode.removeChild(resizer);\n        }\n    }\n\n    function injectCSS(platform, css) {\n        // http://stackoverflow.com/q/3922139\n        var style = platform._style || document.createElement('style');\n        if (!platform._style) {\n            platform._style = style;\n            css = '/* Chart.js */\\n' + css;\n            style.setAttribute('type', 'text/css');\n            document.getElementsByTagName('head')[0].appendChild(style);\n        }\n\n        style.appendChild(document.createTextNode(css));\n    }\n\n    module.exports = {\n        /**\n         * This property holds whether this platform is enabled for the current environment.\n         * Currently used by platform.js to select the proper implementation.\n         * @private\n         */\n        _enabled: typeof window !== 'undefined' && typeof document !== 'undefined',\n\n        initialize: function() {\n            var keyframes = 'from{opacity:0.99}to{opacity:1}';\n\n            injectCSS(this,\n                // DOM rendering detection\n                // https://davidwalsh.name/detect-node-insertion\n                '@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n                '@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n                '.' + CSS_RENDER_MONITOR + '{' +\n                '-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n                'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n                '}'\n            );\n        },\n\n        acquireContext: function(item, config) {\n            if (typeof item === 'string') {\n                item = document.getElementById(item);\n            } else if (item.length) {\n                // Support for array based queries (such as jQuery)\n                item = item[0];\n            }\n\n            if (item && item.canvas) {\n                // Support for any object associated to a canvas (including a context2d)\n                item = item.canvas;\n            }\n\n            // To prevent canvas fingerprinting, some add-ons undefine the getContext\n            // method, for example: https://github.com/kkapsner/CanvasBlocker\n            // https://github.com/chartjs/Chart.js/issues/2807\n            var context = item && item.getContext && item.getContext('2d');\n\n            // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is\n            // inside an iframe or when running in a protected environment. We could guess the\n            // types from their toString() value but let's keep things flexible and assume it's\n            // a sufficient condition if the item has a context2D which has item as `canvas`.\n            // https://github.com/chartjs/Chart.js/issues/3887\n            // https://github.com/chartjs/Chart.js/issues/4102\n            // https://github.com/chartjs/Chart.js/issues/4152\n            if (context && context.canvas === item) {\n                initCanvas(item, config);\n                return context;\n            }\n\n            return null;\n        },\n\n        releaseContext: function(context) {\n            var canvas = context.canvas;\n            if (!canvas[EXPANDO_KEY]) {\n                return;\n            }\n\n            var initial = canvas[EXPANDO_KEY].initial;\n            ['height', 'width'].forEach(function(prop) {\n                var value = initial[prop];\n                if (helpers.isNullOrUndef(value)) {\n                    canvas.removeAttribute(prop);\n                } else {\n                    canvas.setAttribute(prop, value);\n                }\n            });\n\n            helpers.each(initial.style || {}, function(value, key) {\n                canvas.style[key] = value;\n            });\n\n            // The canvas render size might have been changed (and thus the state stack discarded),\n            // we can't use save() and restore() to restore the initial state. So make sure that at\n            // least the canvas context is reset to the default state by setting the canvas width.\n            // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html\n            canvas.width = canvas.width;\n\n            delete canvas[EXPANDO_KEY];\n        },\n\n        addEventListener: function(chart, type, listener) {\n            var canvas = chart.canvas;\n            if (type === 'resize') {\n                // Note: the resize event is not supported on all browsers.\n                addResizeListener(canvas, listener, chart);\n                return;\n            }\n\n            var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {});\n            var proxies = expando.proxies || (expando.proxies = {});\n            var proxy = proxies[chart.id + '_' + type] = function(event) {\n                listener(fromNativeEvent(event, chart));\n            };\n\n            addEventListener(canvas, type, proxy);\n        },\n\n        removeEventListener: function(chart, type, listener) {\n            var canvas = chart.canvas;\n            if (type === 'resize') {\n                // Note: the resize event is not supported on all browsers.\n                removeResizeListener(canvas, listener);\n                return;\n            }\n\n            var expando = listener[EXPANDO_KEY] || {};\n            var proxies = expando.proxies || {};\n            var proxy = proxies[chart.id + '_' + type];\n            if (!proxy) {\n                return;\n            }\n\n            removeEventListener(canvas, type, proxy);\n        }\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use EventTarget.addEventListener instead.\n     * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n     * @function Chart.helpers.addEvent\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.addEvent = addEventListener;\n\n    /**\n     * Provided for backward compatibility, use EventTarget.removeEventListener instead.\n     * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener\n     * @function Chart.helpers.removeEvent\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.removeEvent = removeEventListener;\n\n},{\"45\":45}],48:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var basic = require(46);\n    var dom = require(47);\n\n// @TODO Make possible to select another platform at build time.\n    var implementation = dom._enabled ? dom : basic;\n\n    /**\n     * @namespace Chart.platform\n     * @see https://chartjs.gitbooks.io/proposals/content/Platform.html\n     * @since 2.4.0\n     */\n    module.exports = helpers.extend({\n        /**\n         * @since 2.7.0\n         */\n        initialize: function() {},\n\n        /**\n         * Called at chart construction time, returns a context2d instance implementing\n         * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}.\n         * @param {*} item - The native item from which to acquire context (platform specific)\n         * @param {Object} options - The chart options\n         * @returns {CanvasRenderingContext2D} context2d instance\n         */\n        acquireContext: function() {},\n\n        /**\n         * Called at chart destruction time, releases any resources associated to the context\n         * previously returned by the acquireContext() method.\n         * @param {CanvasRenderingContext2D} context - The context2d instance\n         * @returns {Boolean} true if the method succeeded, else false\n         */\n        releaseContext: function() {},\n\n        /**\n         * Registers the specified listener on the given chart.\n         * @param {Chart} chart - Chart from which to listen for event\n         * @param {String} type - The ({@link IEvent}) type to listen for\n         * @param {Function} listener - Receives a notification (an object that implements\n         * the {@link IEvent} interface) when an event of the specified type occurs.\n         */\n        addEventListener: function() {},\n\n        /**\n         * Removes the specified listener previously registered with addEventListener.\n         * @param {Chart} chart -Chart from which to remove the listener\n         * @param {String} type - The ({@link IEvent}) type to remove\n         * @param {Function} listener - The listener function to remove from the event target.\n         */\n        removeEventListener: function() {}\n\n    }, implementation);\n\n    /**\n     * @interface IPlatform\n     * Allows abstracting platform dependencies away from the chart\n     * @borrows Chart.platform.acquireContext as acquireContext\n     * @borrows Chart.platform.releaseContext as releaseContext\n     * @borrows Chart.platform.addEventListener as addEventListener\n     * @borrows Chart.platform.removeEventListener as removeEventListener\n     */\n\n    /**\n     * @interface IEvent\n     * @prop {String} type - The event type name, possible values are:\n     * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout',\n     * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize'\n     * @prop {*} native - The original native event (null for emulated events, e.g. 'resize')\n     * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events)\n     * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events)\n     */\n\n},{\"45\":45,\"46\":46,\"47\":47}],49:[function(require,module,exports){\n    /**\n     * Plugin based on discussion from the following Chart.js issues:\n     * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569\n     * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897\n     */\n\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        plugins: {\n            filler: {\n                propagate: true\n            }\n        }\n    });\n\n    module.exports = function() {\n\n        var mappers = {\n            dataset: function(source) {\n                var index = source.fill;\n                var chart = source.chart;\n                var meta = chart.getDatasetMeta(index);\n                var visible = meta && chart.isDatasetVisible(index);\n                var points = (visible && meta.dataset._children) || [];\n                var length = points.length || 0;\n\n                return !length ? null : function(point, i) {\n                    return (i < length && points[i]._view) || null;\n                };\n            },\n\n            boundary: function(source) {\n                var boundary = source.boundary;\n                var x = boundary ? boundary.x : null;\n                var y = boundary ? boundary.y : null;\n\n                return function(point) {\n                    return {\n                        x: x === null ? point.x : x,\n                        y: y === null ? point.y : y,\n                    };\n                };\n            }\n        };\n\n        // @todo if (fill[0] === '#')\n        function decodeFill(el, index, count) {\n            var model = el._model || {};\n            var fill = model.fill;\n            var target;\n\n            if (fill === undefined) {\n                fill = !!model.backgroundColor;\n            }\n\n            if (fill === false || fill === null) {\n                return false;\n            }\n\n            if (fill === true) {\n                return 'origin';\n            }\n\n            target = parseFloat(fill, 10);\n            if (isFinite(target) && Math.floor(target) === target) {\n                if (fill[0] === '-' || fill[0] === '+') {\n                    target = index + target;\n                }\n\n                if (target === index || target < 0 || target >= count) {\n                    return false;\n                }\n\n                return target;\n            }\n\n            switch (fill) {\n                // compatibility\n                case 'bottom':\n                    return 'start';\n                case 'top':\n                    return 'end';\n                case 'zero':\n                    return 'origin';\n                // supported boundaries\n                case 'origin':\n                case 'start':\n                case 'end':\n                    return fill;\n                // invalid fill values\n                default:\n                    return false;\n            }\n        }\n\n        function computeBoundary(source) {\n            var model = source.el._model || {};\n            var scale = source.el._scale || {};\n            var fill = source.fill;\n            var target = null;\n            var horizontal;\n\n            if (isFinite(fill)) {\n                return null;\n            }\n\n            // Backward compatibility: until v3, we still need to support boundary values set on\n            // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and\n            // controllers might still use it (e.g. the Smith chart).\n\n            if (fill === 'start') {\n                target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;\n            } else if (fill === 'end') {\n                target = model.scaleTop === undefined ? scale.top : model.scaleTop;\n            } else if (model.scaleZero !== undefined) {\n                target = model.scaleZero;\n            } else if (scale.getBasePosition) {\n                target = scale.getBasePosition();\n            } else if (scale.getBasePixel) {\n                target = scale.getBasePixel();\n            }\n\n            if (target !== undefined && target !== null) {\n                if (target.x !== undefined && target.y !== undefined) {\n                    return target;\n                }\n\n                if (typeof target === 'number' && isFinite(target)) {\n                    horizontal = scale.isHorizontal();\n                    return {\n                        x: horizontal ? target : null,\n                        y: horizontal ? null : target\n                    };\n                }\n            }\n\n            return null;\n        }\n\n        function resolveTarget(sources, index, propagate) {\n            var source = sources[index];\n            var fill = source.fill;\n            var visited = [index];\n            var target;\n\n            if (!propagate) {\n                return fill;\n            }\n\n            while (fill !== false && visited.indexOf(fill) === -1) {\n                if (!isFinite(fill)) {\n                    return fill;\n                }\n\n                target = sources[fill];\n                if (!target) {\n                    return false;\n                }\n\n                if (target.visible) {\n                    return fill;\n                }\n\n                visited.push(fill);\n                fill = target.fill;\n            }\n\n            return false;\n        }\n\n        function createMapper(source) {\n            var fill = source.fill;\n            var type = 'dataset';\n\n            if (fill === false) {\n                return null;\n            }\n\n            if (!isFinite(fill)) {\n                type = 'boundary';\n            }\n\n            return mappers[type](source);\n        }\n\n        function isDrawable(point) {\n            return point && !point.skip;\n        }\n\n        function drawArea(ctx, curve0, curve1, len0, len1) {\n            var i;\n\n            if (!len0 || !len1) {\n                return;\n            }\n\n            // building first area curve (normal)\n            ctx.moveTo(curve0[0].x, curve0[0].y);\n            for (i = 1; i < len0; ++i) {\n                helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);\n            }\n\n            // joining the two area curves\n            ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);\n\n            // building opposite area curve (reverse)\n            for (i = len1 - 1; i > 0; --i) {\n                helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);\n            }\n        }\n\n        function doFill(ctx, points, mapper, view, color, loop) {\n            var count = points.length;\n            var span = view.spanGaps;\n            var curve0 = [];\n            var curve1 = [];\n            var len0 = 0;\n            var len1 = 0;\n            var i, ilen, index, p0, p1, d0, d1;\n\n            ctx.beginPath();\n\n            for (i = 0, ilen = (count + !!loop); i < ilen; ++i) {\n                index = i % count;\n                p0 = points[index]._view;\n                p1 = mapper(p0, index, view);\n                d0 = isDrawable(p0);\n                d1 = isDrawable(p1);\n\n                if (d0 && d1) {\n                    len0 = curve0.push(p0);\n                    len1 = curve1.push(p1);\n                } else if (len0 && len1) {\n                    if (!span) {\n                        drawArea(ctx, curve0, curve1, len0, len1);\n                        len0 = len1 = 0;\n                        curve0 = [];\n                        curve1 = [];\n                    } else {\n                        if (d0) {\n                            curve0.push(p0);\n                        }\n                        if (d1) {\n                            curve1.push(p1);\n                        }\n                    }\n                }\n            }\n\n            drawArea(ctx, curve0, curve1, len0, len1);\n\n            ctx.closePath();\n            ctx.fillStyle = color;\n            ctx.fill();\n        }\n\n        return {\n            id: 'filler',\n\n            afterDatasetsUpdate: function(chart, options) {\n                var count = (chart.data.datasets || []).length;\n                var propagate = options.propagate;\n                var sources = [];\n                var meta, i, el, source;\n\n                for (i = 0; i < count; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    el = meta.dataset;\n                    source = null;\n\n                    if (el && el._model && el instanceof elements.Line) {\n                        source = {\n                            visible: chart.isDatasetVisible(i),\n                            fill: decodeFill(el, i, count),\n                            chart: chart,\n                            el: el\n                        };\n                    }\n\n                    meta.$filler = source;\n                    sources.push(source);\n                }\n\n                for (i = 0; i < count; ++i) {\n                    source = sources[i];\n                    if (!source) {\n                        continue;\n                    }\n\n                    source.fill = resolveTarget(sources, i, propagate);\n                    source.boundary = computeBoundary(source);\n                    source.mapper = createMapper(source);\n                }\n            },\n\n            beforeDatasetDraw: function(chart, args) {\n                var meta = args.meta.$filler;\n                if (!meta) {\n                    return;\n                }\n\n                var ctx = chart.ctx;\n                var el = meta.el;\n                var view = el._view;\n                var points = el._children || [];\n                var mapper = meta.mapper;\n                var color = view.backgroundColor || defaults.global.defaultColor;\n\n                if (mapper && color && points.length) {\n                    helpers.canvas.clipArea(ctx, chart.chartArea);\n                    doFill(ctx, points, mapper, view, color, el._loop);\n                    helpers.canvas.unclipArea(ctx);\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],50:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        legend: {\n            display: true,\n            position: 'top',\n            fullWidth: true,\n            reverse: false,\n            weight: 1000,\n\n            // a callback that will handle\n            onClick: function(e, legendItem) {\n                var index = legendItem.datasetIndex;\n                var ci = this.chart;\n                var meta = ci.getDatasetMeta(index);\n\n                // See controller.isDatasetVisible comment\n                meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;\n\n                // We hid a dataset ... rerender the chart\n                ci.update();\n            },\n\n            onHover: null,\n\n            labels: {\n                boxWidth: 40,\n                padding: 10,\n                // Generates labels shown in the legend\n                // Valid properties to return:\n                // text : text to display\n                // fillStyle : fill of coloured box\n                // strokeStyle: stroke of coloured box\n                // hidden : if this legend item refers to a hidden item\n                // lineCap : cap style for line\n                // lineDash\n                // lineDashOffset :\n                // lineJoin :\n                // lineWidth :\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) {\n                        return {\n                            text: dataset.label,\n                            fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]),\n                            hidden: !chart.isDatasetVisible(i),\n                            lineCap: dataset.borderCapStyle,\n                            lineDash: dataset.borderDash,\n                            lineDashOffset: dataset.borderDashOffset,\n                            lineJoin: dataset.borderJoinStyle,\n                            lineWidth: dataset.borderWidth,\n                            strokeStyle: dataset.borderColor,\n                            pointStyle: dataset.pointStyle,\n\n                            // Below is extra data used for toggling the datasets\n                            datasetIndex: i\n                        };\n                    }, this) : [];\n                }\n            }\n        },\n\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n            for (var i = 0; i < chart.data.datasets.length; i++) {\n                text.push('<li><span style=\"background-color:' + chart.data.datasets[i].backgroundColor + '\"></span>');\n                if (chart.data.datasets[i].label) {\n                    text.push(chart.data.datasets[i].label);\n                }\n                text.push('</li>');\n            }\n            text.push('</ul>');\n            return text.join('');\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        var layout = Chart.layoutService;\n        var noop = helpers.noop;\n\n        /**\n         * Helper function to get the box width based on the usePointStyle option\n         * @param labelopts {Object} the label options on the legend\n         * @param fontSize {Number} the label font size\n         * @return {Number} width of the color box area\n         */\n        function getBoxWidth(labelOpts, fontSize) {\n            return labelOpts.usePointStyle ?\n                fontSize * Math.SQRT2 :\n                labelOpts.boxWidth;\n        }\n\n        Chart.Legend = Element.extend({\n\n            initialize: function(config) {\n                helpers.extend(this, config);\n\n                // Contains hit boxes for each dataset (in dataset order)\n                this.legendHitBoxes = [];\n\n                // Are we in doughnut mode which has a different data type\n                this.doughnutMode = false;\n            },\n\n            // These methods are ordered by lifecycle. Utilities then follow.\n            // Any function defined here is inherited by all legend types.\n            // Any function can be extended by the legend type\n\n            beforeUpdate: noop,\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = margins;\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n                // Labels\n                me.beforeBuildLabels();\n                me.buildLabels();\n                me.afterBuildLabels();\n\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n            },\n            afterUpdate: noop,\n\n            //\n\n            beforeSetDimensions: noop,\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n\n                // Reset minSize\n                me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n            },\n            afterSetDimensions: noop,\n\n            //\n\n            beforeBuildLabels: noop,\n            buildLabels: function() {\n                var me = this;\n                var labelOpts = me.options.labels || {};\n                var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || [];\n\n                if (labelOpts.filter) {\n                    legendItems = legendItems.filter(function(item) {\n                        return labelOpts.filter(item, me.chart.data);\n                    });\n                }\n\n                if (me.options.reverse) {\n                    legendItems.reverse();\n                }\n\n                me.legendItems = legendItems;\n            },\n            afterBuildLabels: noop,\n\n            //\n\n            beforeFit: noop,\n            fit: function() {\n                var me = this;\n                var opts = me.options;\n                var labelOpts = opts.labels;\n                var display = opts.display;\n\n                var ctx = me.ctx;\n\n                var globalDefault = defaults.global;\n                var valueOrDefault = helpers.valueOrDefault;\n                var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n                var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n                var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n                var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n                // Reset hit boxes\n                var hitboxes = me.legendHitBoxes = [];\n\n                var minSize = me.minSize;\n                var isHorizontal = me.isHorizontal();\n\n                if (isHorizontal) {\n                    minSize.width = me.maxWidth; // fill all the width\n                    minSize.height = display ? 10 : 0;\n                } else {\n                    minSize.width = display ? 10 : 0;\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                // Increase sizes here\n                if (display) {\n                    ctx.font = labelFont;\n\n                    if (isHorizontal) {\n                        // Labels\n\n                        // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one\n                        var lineWidths = me.lineWidths = [0];\n                        var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0;\n\n                        ctx.textAlign = 'left';\n                        ctx.textBaseline = 'top';\n\n                        helpers.each(me.legendItems, function(legendItem, i) {\n                            var boxWidth = getBoxWidth(labelOpts, fontSize);\n                            var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n                            if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) {\n                                totalHeight += fontSize + (labelOpts.padding);\n                                lineWidths[lineWidths.length] = me.left;\n                            }\n\n                            // Store the hitbox width and height here. Final position will be updated in `draw`\n                            hitboxes[i] = {\n                                left: 0,\n                                top: 0,\n                                width: width,\n                                height: fontSize\n                            };\n\n                            lineWidths[lineWidths.length - 1] += width + labelOpts.padding;\n                        });\n\n                        minSize.height += totalHeight;\n\n                    } else {\n                        var vPadding = labelOpts.padding;\n                        var columnWidths = me.columnWidths = [];\n                        var totalWidth = labelOpts.padding;\n                        var currentColWidth = 0;\n                        var currentColHeight = 0;\n                        var itemHeight = fontSize + vPadding;\n\n                        helpers.each(me.legendItems, function(legendItem, i) {\n                            var boxWidth = getBoxWidth(labelOpts, fontSize);\n                            var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n                            // If too tall, go to new column\n                            if (currentColHeight + itemHeight > minSize.height) {\n                                totalWidth += currentColWidth + labelOpts.padding;\n                                columnWidths.push(currentColWidth); // previous column width\n\n                                currentColWidth = 0;\n                                currentColHeight = 0;\n                            }\n\n                            // Get max width\n                            currentColWidth = Math.max(currentColWidth, itemWidth);\n                            currentColHeight += itemHeight;\n\n                            // Store the hitbox width and height here. Final position will be updated in `draw`\n                            hitboxes[i] = {\n                                left: 0,\n                                top: 0,\n                                width: itemWidth,\n                                height: fontSize\n                            };\n                        });\n\n                        totalWidth += currentColWidth;\n                        columnWidths.push(currentColWidth);\n                        minSize.width += totalWidth;\n                    }\n                }\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n            },\n            afterFit: noop,\n\n            // Shared Methods\n            isHorizontal: function() {\n                return this.options.position === 'top' || this.options.position === 'bottom';\n            },\n\n            // Actually draw the legend on the canvas\n            draw: function() {\n                var me = this;\n                var opts = me.options;\n                var labelOpts = opts.labels;\n                var globalDefault = defaults.global;\n                var lineDefault = globalDefault.elements.line;\n                var legendWidth = me.width;\n                var lineWidths = me.lineWidths;\n\n                if (opts.display) {\n                    var ctx = me.ctx;\n                    var valueOrDefault = helpers.valueOrDefault;\n                    var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor);\n                    var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n                    var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n                    var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n                    var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n                    var cursor;\n\n                    // Canvas setup\n                    ctx.textAlign = 'left';\n                    ctx.textBaseline = 'middle';\n                    ctx.lineWidth = 0.5;\n                    ctx.strokeStyle = fontColor; // for strikethrough effect\n                    ctx.fillStyle = fontColor; // render in correct colour\n                    ctx.font = labelFont;\n\n                    var boxWidth = getBoxWidth(labelOpts, fontSize);\n                    var hitboxes = me.legendHitBoxes;\n\n                    // current position\n                    var drawLegendBox = function(x, y, legendItem) {\n                        if (isNaN(boxWidth) || boxWidth <= 0) {\n                            return;\n                        }\n\n                        // Set the ctx for the box\n                        ctx.save();\n\n                        ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor);\n                        ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle);\n                        ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset);\n                        ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle);\n                        ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth);\n                        ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor);\n                        var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0);\n\n                        if (ctx.setLineDash) {\n                            // IE 9 and 10 do not support line dash\n                            ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash));\n                        }\n\n                        if (opts.labels && opts.labels.usePointStyle) {\n                            // Recalculate x and y for drawPoint() because its expecting\n                            // x and y to be center of figure (instead of top left)\n                            var radius = fontSize * Math.SQRT2 / 2;\n                            var offSet = radius / Math.SQRT2;\n                            var centerX = x + offSet;\n                            var centerY = y + offSet;\n\n                            // Draw pointStyle as legend symbol\n                            helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY);\n                        } else {\n                            // Draw box as legend symbol\n                            if (!isLineWidthZero) {\n                                ctx.strokeRect(x, y, boxWidth, fontSize);\n                            }\n                            ctx.fillRect(x, y, boxWidth, fontSize);\n                        }\n\n                        ctx.restore();\n                    };\n                    var fillText = function(x, y, legendItem, textWidth) {\n                        var halfFontSize = fontSize / 2;\n                        var xLeft = boxWidth + halfFontSize + x;\n                        var yMiddle = y + halfFontSize;\n\n                        ctx.fillText(legendItem.text, xLeft, yMiddle);\n\n                        if (legendItem.hidden) {\n                            // Strikethrough the text if hidden\n                            ctx.beginPath();\n                            ctx.lineWidth = 2;\n                            ctx.moveTo(xLeft, yMiddle);\n                            ctx.lineTo(xLeft + textWidth, yMiddle);\n                            ctx.stroke();\n                        }\n                    };\n\n                    // Horizontal\n                    var isHorizontal = me.isHorizontal();\n                    if (isHorizontal) {\n                        cursor = {\n                            x: me.left + ((legendWidth - lineWidths[0]) / 2),\n                            y: me.top + labelOpts.padding,\n                            line: 0\n                        };\n                    } else {\n                        cursor = {\n                            x: me.left + labelOpts.padding,\n                            y: me.top + labelOpts.padding,\n                            line: 0\n                        };\n                    }\n\n                    var itemHeight = fontSize + labelOpts.padding;\n                    helpers.each(me.legendItems, function(legendItem, i) {\n                        var textWidth = ctx.measureText(legendItem.text).width;\n                        var width = boxWidth + (fontSize / 2) + textWidth;\n                        var x = cursor.x;\n                        var y = cursor.y;\n\n                        if (isHorizontal) {\n                            if (x + width >= legendWidth) {\n                                y = cursor.y += itemHeight;\n                                cursor.line++;\n                                x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2);\n                            }\n                        } else if (y + itemHeight > me.bottom) {\n                            x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;\n                            y = cursor.y = me.top + labelOpts.padding;\n                            cursor.line++;\n                        }\n\n                        drawLegendBox(x, y, legendItem);\n\n                        hitboxes[i].left = x;\n                        hitboxes[i].top = y;\n\n                        // Fill the actual label\n                        fillText(x, y, legendItem, textWidth);\n\n                        if (isHorizontal) {\n                            cursor.x += width + (labelOpts.padding);\n                        } else {\n                            cursor.y += itemHeight;\n                        }\n\n                    });\n                }\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event - The event to handle\n             * @return {Boolean} true if a change occured\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var opts = me.options;\n                var type = e.type === 'mouseup' ? 'click' : e.type;\n                var changed = false;\n\n                if (type === 'mousemove') {\n                    if (!opts.onHover) {\n                        return;\n                    }\n                } else if (type === 'click') {\n                    if (!opts.onClick) {\n                        return;\n                    }\n                } else {\n                    return;\n                }\n\n                // Chart event already has relative position in it\n                var x = e.x;\n                var y = e.y;\n\n                if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {\n                    // See if we are touching one of the dataset boxes\n                    var lh = me.legendHitBoxes;\n                    for (var i = 0; i < lh.length; ++i) {\n                        var hitBox = lh[i];\n\n                        if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {\n                            // Touching an element\n                            if (type === 'click') {\n                                // use e.native for backwards compatibility\n                                opts.onClick.call(me, e.native, me.legendItems[i]);\n                                changed = true;\n                                break;\n                            } else if (type === 'mousemove') {\n                                // use e.native for backwards compatibility\n                                opts.onHover.call(me, e.native, me.legendItems[i]);\n                                changed = true;\n                                break;\n                            }\n                        }\n                    }\n                }\n\n                return changed;\n            }\n        });\n\n        function createNewLegendAndAttach(chart, legendOpts) {\n            var legend = new Chart.Legend({\n                ctx: chart.ctx,\n                options: legendOpts,\n                chart: chart\n            });\n\n            layout.configure(chart, legend, legendOpts);\n            layout.addBox(chart, legend);\n            chart.legend = legend;\n        }\n\n        return {\n            id: 'legend',\n\n            beforeInit: function(chart) {\n                var legendOpts = chart.options.legend;\n\n                if (legendOpts) {\n                    createNewLegendAndAttach(chart, legendOpts);\n                }\n            },\n\n            beforeUpdate: function(chart) {\n                var legendOpts = chart.options.legend;\n                var legend = chart.legend;\n\n                if (legendOpts) {\n                    helpers.mergeIf(legendOpts, defaults.global.legend);\n\n                    if (legend) {\n                        layout.configure(chart, legend, legendOpts);\n                        legend.options = legendOpts;\n                    } else {\n                        createNewLegendAndAttach(chart, legendOpts);\n                    }\n                } else if (legend) {\n                    layout.removeBox(chart, legend);\n                    delete chart.legend;\n                }\n            },\n\n            afterEvent: function(chart, e) {\n                var legend = chart.legend;\n                if (legend) {\n                    legend.handleEvent(e);\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],51:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        title: {\n            display: false,\n            fontStyle: 'bold',\n            fullWidth: true,\n            lineHeight: 1.2,\n            padding: 10,\n            position: 'top',\n            text: '',\n            weight: 2000         // by default greater than legend (1000) to be above\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        var layout = Chart.layoutService;\n        var noop = helpers.noop;\n\n        Chart.Title = Element.extend({\n            initialize: function(config) {\n                var me = this;\n                helpers.extend(me, config);\n\n                // Contains hit boxes for each dataset (in dataset order)\n                me.legendHitBoxes = [];\n            },\n\n            // These methods are ordered by lifecycle. Utilities then follow.\n\n            beforeUpdate: noop,\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = margins;\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n                // Labels\n                me.beforeBuildLabels();\n                me.buildLabels();\n                me.afterBuildLabels();\n\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n\n            },\n            afterUpdate: noop,\n\n            //\n\n            beforeSetDimensions: noop,\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n\n                // Reset minSize\n                me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n            },\n            afterSetDimensions: noop,\n\n            //\n\n            beforeBuildLabels: noop,\n            buildLabels: noop,\n            afterBuildLabels: noop,\n\n            //\n\n            beforeFit: noop,\n            fit: function() {\n                var me = this;\n                var valueOrDefault = helpers.valueOrDefault;\n                var opts = me.options;\n                var display = opts.display;\n                var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize);\n                var minSize = me.minSize;\n                var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1;\n                var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n                var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0;\n\n                if (me.isHorizontal()) {\n                    minSize.width = me.maxWidth; // fill all the width\n                    minSize.height = textSize;\n                } else {\n                    minSize.width = textSize;\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n\n            },\n            afterFit: noop,\n\n            // Shared Methods\n            isHorizontal: function() {\n                var pos = this.options.position;\n                return pos === 'top' || pos === 'bottom';\n            },\n\n            // Actually draw the title block on the canvas\n            draw: function() {\n                var me = this;\n                var ctx = me.ctx;\n                var valueOrDefault = helpers.valueOrDefault;\n                var opts = me.options;\n                var globalDefaults = defaults.global;\n\n                if (opts.display) {\n                    var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize);\n                    var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle);\n                    var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily);\n                    var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n                    var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n                    var offset = lineHeight / 2 + opts.padding;\n                    var rotation = 0;\n                    var top = me.top;\n                    var left = me.left;\n                    var bottom = me.bottom;\n                    var right = me.right;\n                    var maxWidth, titleX, titleY;\n\n                    ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour\n                    ctx.font = titleFont;\n\n                    // Horizontal\n                    if (me.isHorizontal()) {\n                        titleX = left + ((right - left) / 2); // midpoint of the width\n                        titleY = top + offset;\n                        maxWidth = right - left;\n                    } else {\n                        titleX = opts.position === 'left' ? left + offset : right - offset;\n                        titleY = top + ((bottom - top) / 2);\n                        maxWidth = bottom - top;\n                        rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);\n                    }\n\n                    ctx.save();\n                    ctx.translate(titleX, titleY);\n                    ctx.rotate(rotation);\n                    ctx.textAlign = 'center';\n                    ctx.textBaseline = 'middle';\n\n                    var text = opts.text;\n                    if (helpers.isArray(text)) {\n                        var y = 0;\n                        for (var i = 0; i < text.length; ++i) {\n                            ctx.fillText(text[i], 0, y, maxWidth);\n                            y += lineHeight;\n                        }\n                    } else {\n                        ctx.fillText(text, 0, 0, maxWidth);\n                    }\n\n                    ctx.restore();\n                }\n            }\n        });\n\n        function createNewTitleBlockAndAttach(chart, titleOpts) {\n            var title = new Chart.Title({\n                ctx: chart.ctx,\n                options: titleOpts,\n                chart: chart\n            });\n\n            layout.configure(chart, title, titleOpts);\n            layout.addBox(chart, title);\n            chart.titleBlock = title;\n        }\n\n        return {\n            id: 'title',\n\n            beforeInit: function(chart) {\n                var titleOpts = chart.options.title;\n\n                if (titleOpts) {\n                    createNewTitleBlockAndAttach(chart, titleOpts);\n                }\n            },\n\n            beforeUpdate: function(chart) {\n                var titleOpts = chart.options.title;\n                var titleBlock = chart.titleBlock;\n\n                if (titleOpts) {\n                    helpers.mergeIf(titleOpts, defaults.global.title);\n\n                    if (titleBlock) {\n                        layout.configure(chart, titleBlock, titleOpts);\n                        titleBlock.options = titleOpts;\n                    } else {\n                        createNewTitleBlockAndAttach(chart, titleOpts);\n                    }\n                } else if (titleBlock) {\n                    Chart.layoutService.removeBox(chart, titleBlock);\n                    delete chart.titleBlock;\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],52:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        // Default config for a category scale\n        var defaultConfig = {\n            position: 'bottom'\n        };\n\n        var DatasetScale = Chart.Scale.extend({\n            /**\n             * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those\n             * else fall back to data.labels\n             * @private\n             */\n            getLabels: function() {\n                var data = this.chart.data;\n                return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels;\n            },\n\n            determineDataLimits: function() {\n                var me = this;\n                var labels = me.getLabels();\n                me.minIndex = 0;\n                me.maxIndex = labels.length - 1;\n                var findIndex;\n\n                if (me.options.ticks.min !== undefined) {\n                    // user specified min value\n                    findIndex = labels.indexOf(me.options.ticks.min);\n                    me.minIndex = findIndex !== -1 ? findIndex : me.minIndex;\n                }\n\n                if (me.options.ticks.max !== undefined) {\n                    // user specified max value\n                    findIndex = labels.indexOf(me.options.ticks.max);\n                    me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex;\n                }\n\n                me.min = labels[me.minIndex];\n                me.max = labels[me.maxIndex];\n            },\n\n            buildTicks: function() {\n                var me = this;\n                var labels = me.getLabels();\n                // If we are viewing some subset of labels, slice the original array\n                me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1);\n            },\n\n            getLabelForIndex: function(index, datasetIndex) {\n                var me = this;\n                var data = me.chart.data;\n                var isHorizontal = me.isHorizontal();\n\n                if (data.yLabels && !isHorizontal) {\n                    return me.getRightValue(data.datasets[datasetIndex].data[index]);\n                }\n                return me.ticks[index - me.minIndex];\n            },\n\n            // Used to get data value locations.  Value can either be an index or a numerical value\n            getPixelForValue: function(value, index) {\n                var me = this;\n                var offset = me.options.offset;\n                // 1 is added because we need the length but we have the indexes\n                var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1);\n\n                // If value is a data object, then index is the index in the data array,\n                // not the index of the scale. We need to change that.\n                var valueCategory;\n                if (value !== undefined && value !== null) {\n                    valueCategory = me.isHorizontal() ? value.x : value.y;\n                }\n                if (valueCategory !== undefined || (value !== undefined && isNaN(index))) {\n                    var labels = me.getLabels();\n                    value = valueCategory || value;\n                    var idx = labels.indexOf(value);\n                    index = idx !== -1 ? idx : index;\n                }\n\n                if (me.isHorizontal()) {\n                    var valueWidth = me.width / offsetAmt;\n                    var widthOffset = (valueWidth * (index - me.minIndex));\n\n                    if (offset) {\n                        widthOffset += (valueWidth / 2);\n                    }\n\n                    return me.left + Math.round(widthOffset);\n                }\n                var valueHeight = me.height / offsetAmt;\n                var heightOffset = (valueHeight * (index - me.minIndex));\n\n                if (offset) {\n                    heightOffset += (valueHeight / 2);\n                }\n\n                return me.top + Math.round(heightOffset);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.ticks[index], index + this.minIndex, null);\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var offset = me.options.offset;\n                var value;\n                var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n                var horz = me.isHorizontal();\n                var valueDimension = (horz ? me.width : me.height) / offsetAmt;\n\n                pixel -= horz ? me.left : me.top;\n\n                if (offset) {\n                    pixel -= (valueDimension / 2);\n                }\n\n                if (pixel <= 0) {\n                    value = 0;\n                } else {\n                    value = Math.round(pixel / valueDimension);\n                }\n\n                return value + me.minIndex;\n            },\n            getBasePixel: function() {\n                return this.bottom;\n            }\n        });\n\n        Chart.scaleService.registerScaleType('category', DatasetScale, defaultConfig);\n\n    };\n\n},{}],53:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'left',\n            ticks: {\n                callback: Ticks.formatters.linear\n            }\n        };\n\n        var LinearScale = Chart.LinearScaleBase.extend({\n\n            determineDataLimits: function() {\n                var me = this;\n                var opts = me.options;\n                var chart = me.chart;\n                var data = chart.data;\n                var datasets = data.datasets;\n                var isHorizontal = me.isHorizontal();\n                var DEFAULT_MIN = 0;\n                var DEFAULT_MAX = 1;\n\n                function IDMatches(meta) {\n                    return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n                }\n\n                // First Calculate the range\n                me.min = null;\n                me.max = null;\n\n                var hasStacks = opts.stacked;\n                if (hasStacks === undefined) {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        if (hasStacks) {\n                            return;\n                        }\n\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n                            meta.stack !== undefined) {\n                            hasStacks = true;\n                        }\n                    });\n                }\n\n                if (opts.stacked || hasStacks) {\n                    var valuesPerStack = {};\n\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        var key = [\n                            meta.type,\n                            // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n                            ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n                            meta.stack\n                        ].join('.');\n\n                        if (valuesPerStack[key] === undefined) {\n                            valuesPerStack[key] = {\n                                positiveValues: [],\n                                negativeValues: []\n                            };\n                        }\n\n                        // Store these per type\n                        var positiveValues = valuesPerStack[key].positiveValues;\n                        var negativeValues = valuesPerStack[key].negativeValues;\n\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                positiveValues[index] = positiveValues[index] || 0;\n                                negativeValues[index] = negativeValues[index] || 0;\n\n                                if (opts.relativePoints) {\n                                    positiveValues[index] = 100;\n                                } else if (value < 0) {\n                                    negativeValues[index] += value;\n                                } else {\n                                    positiveValues[index] += value;\n                                }\n                            });\n                        }\n                    });\n\n                    helpers.each(valuesPerStack, function(valuesForType) {\n                        var values = valuesForType.positiveValues.concat(valuesForType.negativeValues);\n                        var minVal = helpers.min(values);\n                        var maxVal = helpers.max(values);\n                        me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n                        me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n                    });\n\n                } else {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                if (me.min === null) {\n                                    me.min = value;\n                                } else if (value < me.min) {\n                                    me.min = value;\n                                }\n\n                                if (me.max === null) {\n                                    me.max = value;\n                                } else if (value > me.max) {\n                                    me.max = value;\n                                }\n                            });\n                        }\n                    });\n                }\n\n                me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;\n                me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;\n\n                // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n                this.handleTickRangeOptions();\n            },\n            getTickLimit: function() {\n                var maxTicks;\n                var me = this;\n                var tickOpts = me.options.ticks;\n\n                if (me.isHorizontal()) {\n                    maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50));\n                } else {\n                    // The factor of 2 used to scale the font size has been experimentally determined.\n                    var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize);\n                    maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize)));\n                }\n\n                return maxTicks;\n            },\n            // Called after the ticks are built. We need\n            handleDirectionalChanges: function() {\n                if (!this.isHorizontal()) {\n                    // We are in a vertical orientation. The top value is the highest. So reverse the array\n                    this.ticks.reverse();\n                }\n            },\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            // Utils\n            getPixelForValue: function(value) {\n                // This must be called after fit has been run so that\n                // this.left, this.top, this.right, and this.bottom have been defined\n                var me = this;\n                var start = me.start;\n\n                var rightValue = +me.getRightValue(value);\n                var pixel;\n                var range = me.end - start;\n\n                if (me.isHorizontal()) {\n                    pixel = me.left + (me.width / range * (rightValue - start));\n                    return Math.round(pixel);\n                }\n\n                pixel = me.bottom - (me.height / range * (rightValue - start));\n                return Math.round(pixel);\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var isHorizontal = me.isHorizontal();\n                var innerDimension = isHorizontal ? me.width : me.height;\n                var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension;\n                return me.start + ((me.end - me.start) * offset);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.ticksAsNumbers[index]);\n            }\n        });\n        Chart.scaleService.registerScaleType('linear', LinearScale, defaultConfig);\n\n    };\n\n},{\"25\":25,\"34\":34,\"45\":45}],54:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var noop = helpers.noop;\n\n        Chart.LinearScaleBase = Chart.Scale.extend({\n            getRightValue: function(value) {\n                if (typeof value === 'string') {\n                    return +value;\n                }\n                return Chart.Scale.prototype.getRightValue.call(this, value);\n            },\n\n            handleTickRangeOptions: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                // If we are forcing it to begin at 0, but 0 will already be rendered on the chart,\n                // do nothing since that would make the chart weird. If the user really wants a weird chart\n                // axis, they can manually override it\n                if (tickOpts.beginAtZero) {\n                    var minSign = helpers.sign(me.min);\n                    var maxSign = helpers.sign(me.max);\n\n                    if (minSign < 0 && maxSign < 0) {\n                        // move the top up to 0\n                        me.max = 0;\n                    } else if (minSign > 0 && maxSign > 0) {\n                        // move the bottom down to 0\n                        me.min = 0;\n                    }\n                }\n\n                var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;\n                var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;\n\n                if (tickOpts.min !== undefined) {\n                    me.min = tickOpts.min;\n                } else if (tickOpts.suggestedMin !== undefined) {\n                    if (me.min === null) {\n                        me.min = tickOpts.suggestedMin;\n                    } else {\n                        me.min = Math.min(me.min, tickOpts.suggestedMin);\n                    }\n                }\n\n                if (tickOpts.max !== undefined) {\n                    me.max = tickOpts.max;\n                } else if (tickOpts.suggestedMax !== undefined) {\n                    if (me.max === null) {\n                        me.max = tickOpts.suggestedMax;\n                    } else {\n                        me.max = Math.max(me.max, tickOpts.suggestedMax);\n                    }\n                }\n\n                if (setMin !== setMax) {\n                    // We set the min or the max but not both.\n                    // So ensure that our range is good\n                    // Inverted or 0 length range can happen when\n                    // ticks.min is set, and no datasets are visible\n                    if (me.min >= me.max) {\n                        if (setMin) {\n                            me.max = me.min + 1;\n                        } else {\n                            me.min = me.max - 1;\n                        }\n                    }\n                }\n\n                if (me.min === me.max) {\n                    me.max++;\n\n                    if (!tickOpts.beginAtZero) {\n                        me.min--;\n                    }\n                }\n            },\n            getTickLimit: noop,\n            handleDirectionalChanges: noop,\n\n            buildTicks: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                // Figure out what the max number of ticks we can support it is based on the size of\n                // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n                // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n                // the graph. Make sure we always have at least 2 ticks\n                var maxTicks = me.getTickLimit();\n                maxTicks = Math.max(2, maxTicks);\n\n                var numericGeneratorOptions = {\n                    maxTicks: maxTicks,\n                    min: tickOpts.min,\n                    max: tickOpts.max,\n                    stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)\n                };\n                var ticks = me.ticks = Ticks.generators.linear(numericGeneratorOptions, me);\n\n                me.handleDirectionalChanges();\n\n                // At this point, we need to update our max and min given the tick values since we have expanded the\n                // range of the scale\n                me.max = helpers.max(ticks);\n                me.min = helpers.min(ticks);\n\n                if (tickOpts.reverse) {\n                    ticks.reverse();\n\n                    me.start = me.max;\n                    me.end = me.min;\n                } else {\n                    me.start = me.min;\n                    me.end = me.max;\n                }\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n                me.ticksAsNumbers = me.ticks.slice();\n                me.zeroLineIndex = me.ticks.indexOf(0);\n\n                Chart.Scale.prototype.convertTicksToLabels.call(me);\n            }\n        });\n    };\n\n},{\"34\":34,\"45\":45}],55:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'left',\n\n            // label settings\n            ticks: {\n                callback: Ticks.formatters.logarithmic\n            }\n        };\n\n        var LogarithmicScale = Chart.Scale.extend({\n            determineDataLimits: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var chart = me.chart;\n                var data = chart.data;\n                var datasets = data.datasets;\n                var valueOrDefault = helpers.valueOrDefault;\n                var isHorizontal = me.isHorizontal();\n                function IDMatches(meta) {\n                    return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n                }\n\n                // Calculate Range\n                me.min = null;\n                me.max = null;\n                me.minNotZero = null;\n\n                var hasStacks = opts.stacked;\n                if (hasStacks === undefined) {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        if (hasStacks) {\n                            return;\n                        }\n\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n                            meta.stack !== undefined) {\n                            hasStacks = true;\n                        }\n                    });\n                }\n\n                if (opts.stacked || hasStacks) {\n                    var valuesPerStack = {};\n\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        var key = [\n                            meta.type,\n                            // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n                            ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n                            meta.stack\n                        ].join('.');\n\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            if (valuesPerStack[key] === undefined) {\n                                valuesPerStack[key] = [];\n                            }\n\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var values = valuesPerStack[key];\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                values[index] = values[index] || 0;\n\n                                if (opts.relativePoints) {\n                                    values[index] = 100;\n                                } else {\n                                    // Don't need to split positive and negative since the log scale can't handle a 0 crossing\n                                    values[index] += value;\n                                }\n                            });\n                        }\n                    });\n\n                    helpers.each(valuesPerStack, function(valuesForType) {\n                        var minVal = helpers.min(valuesForType);\n                        var maxVal = helpers.max(valuesForType);\n                        me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n                        me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n                    });\n\n                } else {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                if (me.min === null) {\n                                    me.min = value;\n                                } else if (value < me.min) {\n                                    me.min = value;\n                                }\n\n                                if (me.max === null) {\n                                    me.max = value;\n                                } else if (value > me.max) {\n                                    me.max = value;\n                                }\n\n                                if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) {\n                                    me.minNotZero = value;\n                                }\n                            });\n                        }\n                    });\n                }\n\n                me.min = valueOrDefault(tickOpts.min, me.min);\n                me.max = valueOrDefault(tickOpts.max, me.max);\n\n                if (me.min === me.max) {\n                    if (me.min !== 0 && me.min !== null) {\n                        me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1);\n                        me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1);\n                    } else {\n                        me.min = 1;\n                        me.max = 10;\n                    }\n                }\n            },\n            buildTicks: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                var generationOptions = {\n                    min: tickOpts.min,\n                    max: tickOpts.max\n                };\n                var ticks = me.ticks = Ticks.generators.logarithmic(generationOptions, me);\n\n                if (!me.isHorizontal()) {\n                    // We are in a vertical orientation. The top value is the highest. So reverse the array\n                    ticks.reverse();\n                }\n\n                // At this point, we need to update our max and min given the tick values since we have expanded the\n                // range of the scale\n                me.max = helpers.max(ticks);\n                me.min = helpers.min(ticks);\n\n                if (tickOpts.reverse) {\n                    ticks.reverse();\n\n                    me.start = me.max;\n                    me.end = me.min;\n                } else {\n                    me.start = me.min;\n                    me.end = me.max;\n                }\n            },\n            convertTicksToLabels: function() {\n                this.tickValues = this.ticks.slice();\n\n                Chart.Scale.prototype.convertTicksToLabels.call(this);\n            },\n            // Get the correct tooltip label\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.tickValues[index]);\n            },\n            getPixelForValue: function(value) {\n                var me = this;\n                var start = me.start;\n                var newVal = +me.getRightValue(value);\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var innerDimension, pixel, range;\n\n                if (me.isHorizontal()) {\n                    range = helpers.log10(me.end) - helpers.log10(start); // todo: if start === 0\n                    if (newVal === 0) {\n                        pixel = me.left;\n                    } else {\n                        innerDimension = me.width;\n                        pixel = me.left + (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n                    }\n                } else {\n                    // Bottom - top since pixels increase downward on a screen\n                    innerDimension = me.height;\n                    if (start === 0 && !tickOpts.reverse) {\n                        range = helpers.log10(me.end) - helpers.log10(me.minNotZero);\n                        if (newVal === start) {\n                            pixel = me.bottom;\n                        } else if (newVal === me.minNotZero) {\n                            pixel = me.bottom - innerDimension * 0.02;\n                        } else {\n                            pixel = me.bottom - innerDimension * 0.02 - (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n                        }\n                    } else if (me.end === 0 && tickOpts.reverse) {\n                        range = helpers.log10(me.start) - helpers.log10(me.minNotZero);\n                        if (newVal === me.end) {\n                            pixel = me.top;\n                        } else if (newVal === me.minNotZero) {\n                            pixel = me.top + innerDimension * 0.02;\n                        } else {\n                            pixel = me.top + innerDimension * 0.02 + (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n                        }\n                    } else if (newVal === 0) {\n                        pixel = tickOpts.reverse ? me.top : me.bottom;\n                    } else {\n                        range = helpers.log10(me.end) - helpers.log10(start);\n                        innerDimension = me.height;\n                        pixel = me.bottom - (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n                    }\n                }\n                return pixel;\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var range = helpers.log10(me.end) - helpers.log10(me.start);\n                var value, innerDimension;\n\n                if (me.isHorizontal()) {\n                    innerDimension = me.width;\n                    value = me.start * Math.pow(10, (pixel - me.left) * range / innerDimension);\n                } else { // todo: if start === 0\n                    innerDimension = me.height;\n                    value = Math.pow(10, (me.bottom - pixel) * range / innerDimension) / me.start;\n                }\n                return value;\n            }\n        });\n        Chart.scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig);\n\n    };\n\n},{\"34\":34,\"45\":45}],56:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var globalDefaults = defaults.global;\n\n        var defaultConfig = {\n            display: true,\n\n            // Boolean - Whether to animate scaling the chart from the centre\n            animate: true,\n            position: 'chartArea',\n\n            angleLines: {\n                display: true,\n                color: 'rgba(0, 0, 0, 0.1)',\n                lineWidth: 1\n            },\n\n            gridLines: {\n                circular: false\n            },\n\n            // label settings\n            ticks: {\n                // Boolean - Show a backdrop to the scale label\n                showLabelBackdrop: true,\n\n                // String - The colour of the label backdrop\n                backdropColor: 'rgba(255,255,255,0.75)',\n\n                // Number - The backdrop padding above & below the label in pixels\n                backdropPaddingY: 2,\n\n                // Number - The backdrop padding to the side of the label in pixels\n                backdropPaddingX: 2,\n\n                callback: Ticks.formatters.linear\n            },\n\n            pointLabels: {\n                // Boolean - if true, show point labels\n                display: true,\n\n                // Number - Point label font size in pixels\n                fontSize: 10,\n\n                // Function - Used to convert point labels\n                callback: function(label) {\n                    return label;\n                }\n            }\n        };\n\n        function getValueCount(scale) {\n            var opts = scale.options;\n            return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0;\n        }\n\n        function getPointLabelFontOptions(scale) {\n            var pointLabelOptions = scale.options.pointLabels;\n            var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize);\n            var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle);\n            var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily);\n            var font = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n            return {\n                size: fontSize,\n                style: fontStyle,\n                family: fontFamily,\n                font: font\n            };\n        }\n\n        function measureLabelSize(ctx, fontSize, label) {\n            if (helpers.isArray(label)) {\n                return {\n                    w: helpers.longestText(ctx, ctx.font, label),\n                    h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize)\n                };\n            }\n\n            return {\n                w: ctx.measureText(label).width,\n                h: fontSize\n            };\n        }\n\n        function determineLimits(angle, pos, size, min, max) {\n            if (angle === min || angle === max) {\n                return {\n                    start: pos - (size / 2),\n                    end: pos + (size / 2)\n                };\n            } else if (angle < min || angle > max) {\n                return {\n                    start: pos - size - 5,\n                    end: pos\n                };\n            }\n\n            return {\n                start: pos,\n                end: pos + size + 5\n            };\n        }\n\n        /**\n         * Helper function to fit a radial linear scale with point labels\n         */\n        function fitWithPointLabels(scale) {\n\t\t\t/*\n\t\t\t * Right, this is really confusing and there is a lot of maths going on here\n\t\t\t * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9\n\t\t\t *\n\t\t\t * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif\n\t\t\t *\n\t\t\t * Solution:\n\t\t\t *\n\t\t\t * We assume the radius of the polygon is half the size of the canvas at first\n\t\t\t * at each index we check if the text overlaps.\n\t\t\t *\n\t\t\t * Where it does, we store that angle and that index.\n\t\t\t *\n\t\t\t * After finding the largest index and angle we calculate how much we need to remove\n\t\t\t * from the shape radius to move the point inwards by that x.\n\t\t\t *\n\t\t\t * We average the left and right distances to get the maximum shape radius that can fit in the box\n\t\t\t * along with labels.\n\t\t\t *\n\t\t\t * Once we have that, we can find the centre point for the chart, by taking the x text protrusion\n\t\t\t * on each side, removing that from the size, halving it and adding the left x protrusion width.\n\t\t\t *\n\t\t\t * This will mean we have a shape fitted to the canvas, as large as it can be with the labels\n\t\t\t * and position it in the most space efficient manner\n\t\t\t *\n\t\t\t * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif\n\t\t\t */\n\n            var plFont = getPointLabelFontOptions(scale);\n\n            // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.\n            // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points\n            var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n            var furthestLimits = {\n                r: scale.width,\n                l: 0,\n                t: scale.height,\n                b: 0\n            };\n            var furthestAngles = {};\n            var i, textSize, pointPosition;\n\n            scale.ctx.font = plFont.font;\n            scale._pointLabelSizes = [];\n\n            var valueCount = getValueCount(scale);\n            for (i = 0; i < valueCount; i++) {\n                pointPosition = scale.getPointPosition(i, largestPossibleRadius);\n                textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || '');\n                scale._pointLabelSizes[i] = textSize;\n\n                // Add quarter circle to make degree 0 mean top of circle\n                var angleRadians = scale.getIndexAngle(i);\n                var angle = helpers.toDegrees(angleRadians) % 360;\n                var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n                var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n\n                if (hLimits.start < furthestLimits.l) {\n                    furthestLimits.l = hLimits.start;\n                    furthestAngles.l = angleRadians;\n                }\n\n                if (hLimits.end > furthestLimits.r) {\n                    furthestLimits.r = hLimits.end;\n                    furthestAngles.r = angleRadians;\n                }\n\n                if (vLimits.start < furthestLimits.t) {\n                    furthestLimits.t = vLimits.start;\n                    furthestAngles.t = angleRadians;\n                }\n\n                if (vLimits.end > furthestLimits.b) {\n                    furthestLimits.b = vLimits.end;\n                    furthestAngles.b = angleRadians;\n                }\n            }\n\n            scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles);\n        }\n\n        /**\n         * Helper function to fit a radial linear scale with no point labels\n         */\n        function fit(scale) {\n            var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n            scale.drawingArea = Math.round(largestPossibleRadius);\n            scale.setCenterPoint(0, 0, 0, 0);\n        }\n\n        function getTextAlignForAngle(angle) {\n            if (angle === 0 || angle === 180) {\n                return 'center';\n            } else if (angle < 180) {\n                return 'left';\n            }\n\n            return 'right';\n        }\n\n        function fillText(ctx, text, position, fontSize) {\n            if (helpers.isArray(text)) {\n                var y = position.y;\n                var spacing = 1.5 * fontSize;\n\n                for (var i = 0; i < text.length; ++i) {\n                    ctx.fillText(text[i], position.x, y);\n                    y += spacing;\n                }\n            } else {\n                ctx.fillText(text, position.x, position.y);\n            }\n        }\n\n        function adjustPointPositionForLabelHeight(angle, textSize, position) {\n            if (angle === 90 || angle === 270) {\n                position.y -= (textSize.h / 2);\n            } else if (angle > 270 || angle < 90) {\n                position.y -= textSize.h;\n            }\n        }\n\n        function drawPointLabels(scale) {\n            var ctx = scale.ctx;\n            var valueOrDefault = helpers.valueOrDefault;\n            var opts = scale.options;\n            var angleLineOpts = opts.angleLines;\n            var pointLabelOpts = opts.pointLabels;\n\n            ctx.lineWidth = angleLineOpts.lineWidth;\n            ctx.strokeStyle = angleLineOpts.color;\n\n            var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);\n\n            // Point Label Font\n            var plFont = getPointLabelFontOptions(scale);\n\n            ctx.textBaseline = 'top';\n\n            for (var i = getValueCount(scale) - 1; i >= 0; i--) {\n                if (angleLineOpts.display) {\n                    var outerPosition = scale.getPointPosition(i, outerDistance);\n                    ctx.beginPath();\n                    ctx.moveTo(scale.xCenter, scale.yCenter);\n                    ctx.lineTo(outerPosition.x, outerPosition.y);\n                    ctx.stroke();\n                    ctx.closePath();\n                }\n\n                if (pointLabelOpts.display) {\n                    // Extra 3px out for some label spacing\n                    var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5);\n\n                    // Keep this in loop since we may support array properties here\n                    var pointLabelFontColor = valueOrDefault(pointLabelOpts.fontColor, globalDefaults.defaultFontColor);\n                    ctx.font = plFont.font;\n                    ctx.fillStyle = pointLabelFontColor;\n\n                    var angleRadians = scale.getIndexAngle(i);\n                    var angle = helpers.toDegrees(angleRadians);\n                    ctx.textAlign = getTextAlignForAngle(angle);\n                    adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);\n                    fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size);\n                }\n            }\n        }\n\n        function drawRadiusLine(scale, gridLineOpts, radius, index) {\n            var ctx = scale.ctx;\n            ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1);\n            ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1);\n\n            if (scale.options.gridLines.circular) {\n                // Draw circular arcs between the points\n                ctx.beginPath();\n                ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);\n                ctx.closePath();\n                ctx.stroke();\n            } else {\n                // Draw straight lines connecting each index\n                var valueCount = getValueCount(scale);\n\n                if (valueCount === 0) {\n                    return;\n                }\n\n                ctx.beginPath();\n                var pointPosition = scale.getPointPosition(0, radius);\n                ctx.moveTo(pointPosition.x, pointPosition.y);\n\n                for (var i = 1; i < valueCount; i++) {\n                    pointPosition = scale.getPointPosition(i, radius);\n                    ctx.lineTo(pointPosition.x, pointPosition.y);\n                }\n\n                ctx.closePath();\n                ctx.stroke();\n            }\n        }\n\n        function numberOrZero(param) {\n            return helpers.isNumber(param) ? param : 0;\n        }\n\n        var LinearRadialScale = Chart.LinearScaleBase.extend({\n            setDimensions: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                // Set the unconstrained dimension before label rotation\n                me.width = me.maxWidth;\n                me.height = me.maxHeight;\n                me.xCenter = Math.round(me.width / 2);\n                me.yCenter = Math.round(me.height / 2);\n\n                var minSize = helpers.min([me.height, me.width]);\n                var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2);\n            },\n            determineDataLimits: function() {\n                var me = this;\n                var chart = me.chart;\n                var min = Number.POSITIVE_INFINITY;\n                var max = Number.NEGATIVE_INFINITY;\n\n                helpers.each(chart.data.datasets, function(dataset, datasetIndex) {\n                    if (chart.isDatasetVisible(datasetIndex)) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n\n                        helpers.each(dataset.data, function(rawValue, index) {\n                            var value = +me.getRightValue(rawValue);\n                            if (isNaN(value) || meta.data[index].hidden) {\n                                return;\n                            }\n\n                            min = Math.min(value, min);\n                            max = Math.max(value, max);\n                        });\n                    }\n                });\n\n                me.min = (min === Number.POSITIVE_INFINITY ? 0 : min);\n                me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);\n\n                // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n                me.handleTickRangeOptions();\n            },\n            getTickLimit: function() {\n                var tickOpts = this.options.ticks;\n                var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize)));\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n\n                Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me);\n\n                // Point labels\n                me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me);\n            },\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            fit: function() {\n                if (this.options.pointLabels.display) {\n                    fitWithPointLabels(this);\n                } else {\n                    fit(this);\n                }\n            },\n            /**\n             * Set radius reductions and determine new radius and center point\n             * @private\n             */\n            setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {\n                var me = this;\n                var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);\n                var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);\n                var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);\n                var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b);\n\n                radiusReductionLeft = numberOrZero(radiusReductionLeft);\n                radiusReductionRight = numberOrZero(radiusReductionRight);\n                radiusReductionTop = numberOrZero(radiusReductionTop);\n                radiusReductionBottom = numberOrZero(radiusReductionBottom);\n\n                me.drawingArea = Math.min(\n                    Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),\n                    Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));\n                me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);\n            },\n            setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {\n                var me = this;\n                var maxRight = me.width - rightMovement - me.drawingArea;\n                var maxLeft = leftMovement + me.drawingArea;\n                var maxTop = topMovement + me.drawingArea;\n                var maxBottom = me.height - bottomMovement - me.drawingArea;\n\n                me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left);\n                me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top);\n            },\n\n            getIndexAngle: function(index) {\n                var angleMultiplier = (Math.PI * 2) / getValueCount(this);\n                var startAngle = this.chart.options && this.chart.options.startAngle ?\n                    this.chart.options.startAngle :\n                    0;\n\n                var startAngleRadians = startAngle * Math.PI * 2 / 360;\n\n                // Start from the top instead of right, so remove a quarter of the circle\n                return index * angleMultiplier + startAngleRadians;\n            },\n            getDistanceFromCenterForValue: function(value) {\n                var me = this;\n\n                if (value === null) {\n                    return 0; // null always in center\n                }\n\n                // Take into account half font size + the yPadding of the top value\n                var scalingFactor = me.drawingArea / (me.max - me.min);\n                if (me.options.ticks.reverse) {\n                    return (me.max - value) * scalingFactor;\n                }\n                return (value - me.min) * scalingFactor;\n            },\n            getPointPosition: function(index, distanceFromCenter) {\n                var me = this;\n                var thisAngle = me.getIndexAngle(index) - (Math.PI / 2);\n                return {\n                    x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter,\n                    y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter\n                };\n            },\n            getPointPositionForValue: function(index, value) {\n                return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n            },\n\n            getBasePosition: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n\n                return me.getPointPositionForValue(0,\n                    me.beginAtZero ? 0 :\n                        min < 0 && max < 0 ? max :\n                            min > 0 && max > 0 ? min :\n                                0);\n            },\n\n            draw: function() {\n                var me = this;\n                var opts = me.options;\n                var gridLineOpts = opts.gridLines;\n                var tickOpts = opts.ticks;\n                var valueOrDefault = helpers.valueOrDefault;\n\n                if (opts.display) {\n                    var ctx = me.ctx;\n                    var startAngle = this.getIndexAngle(0);\n\n                    // Tick Font\n                    var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                    var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle);\n                    var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily);\n                    var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);\n\n                    helpers.each(me.ticks, function(label, index) {\n                        // Don't draw a centre value (if it is minimum)\n                        if (index > 0 || tickOpts.reverse) {\n                            var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);\n\n                            // Draw circular lines around the scale\n                            if (gridLineOpts.display && index !== 0) {\n                                drawRadiusLine(me, gridLineOpts, yCenterOffset, index);\n                            }\n\n                            if (tickOpts.display) {\n                                var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor);\n                                ctx.font = tickLabelFont;\n\n                                ctx.save();\n                                ctx.translate(me.xCenter, me.yCenter);\n                                ctx.rotate(startAngle);\n\n                                if (tickOpts.showLabelBackdrop) {\n                                    var labelWidth = ctx.measureText(label).width;\n                                    ctx.fillStyle = tickOpts.backdropColor;\n                                    ctx.fillRect(\n                                        -labelWidth / 2 - tickOpts.backdropPaddingX,\n                                        -yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY,\n                                        labelWidth + tickOpts.backdropPaddingX * 2,\n                                        tickFontSize + tickOpts.backdropPaddingY * 2\n                                    );\n                                }\n\n                                ctx.textAlign = 'center';\n                                ctx.textBaseline = 'middle';\n                                ctx.fillStyle = tickFontColor;\n                                ctx.fillText(label, 0, -yCenterOffset);\n                                ctx.restore();\n                            }\n                        }\n                    });\n\n                    if (opts.angleLines.display || opts.pointLabels.display) {\n                        drawPointLabels(me);\n                    }\n                }\n            }\n        });\n        Chart.scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig);\n\n    };\n\n},{\"25\":25,\"34\":34,\"45\":45}],57:[function(require,module,exports){\n\t/* global window: false */\n    'use strict';\n\n    var moment = require(6);\n    moment = typeof moment === 'function' ? moment : window.moment;\n\n    var defaults = require(25);\n    var helpers = require(45);\n\n// Integer constants are from the ES6 spec.\n    var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;\n    var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;\n\n    var INTERVALS = {\n        millisecond: {\n            major: true,\n            size: 1,\n            steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]\n        },\n        second: {\n            major: true,\n            size: 1000,\n            steps: [1, 2, 5, 10, 30]\n        },\n        minute: {\n            major: true,\n            size: 60000,\n            steps: [1, 2, 5, 10, 30]\n        },\n        hour: {\n            major: true,\n            size: 3600000,\n            steps: [1, 2, 3, 6, 12]\n        },\n        day: {\n            major: true,\n            size: 86400000,\n            steps: [1, 2, 5]\n        },\n        week: {\n            major: false,\n            size: 604800000,\n            steps: [1, 2, 3, 4]\n        },\n        month: {\n            major: true,\n            size: 2.628e9,\n            steps: [1, 2, 3]\n        },\n        quarter: {\n            major: false,\n            size: 7.884e9,\n            steps: [1, 2, 3, 4]\n        },\n        year: {\n            major: true,\n            size: 3.154e10\n        }\n    };\n\n    var UNITS = Object.keys(INTERVALS);\n\n    function sorter(a, b) {\n        return a - b;\n    }\n\n    function arrayUnique(items) {\n        var hash = {};\n        var out = [];\n        var i, ilen, item;\n\n        for (i = 0, ilen = items.length; i < ilen; ++i) {\n            item = items[i];\n            if (!hash[item]) {\n                hash[item] = true;\n                out.push(item);\n            }\n        }\n\n        return out;\n    }\n\n    /**\n     * Returns an array of {time, pos} objects used to interpolate a specific `time` or position\n     * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is\n     * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other\n     * extremity (left + width or top + height). Note that it would be more optimized to directly\n     * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need\n     * to create the lookup table. The table ALWAYS contains at least two items: min and max.\n     *\n     * @param {Number[]} timestamps - timestamps sorted from lowest to highest.\n     * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min\n     * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.\n     * If 'series', timestamps will be positioned at the same distance from each other. In this\n     * case, only timestamps that break the time linearity are registered, meaning that in the\n     * best case, all timestamps are linear, the table contains only min and max.\n     */\n    function buildLookupTable(timestamps, min, max, distribution) {\n        if (distribution === 'linear' || !timestamps.length) {\n            return [\n                {time: min, pos: 0},\n                {time: max, pos: 1}\n            ];\n        }\n\n        var table = [];\n        var items = [min];\n        var i, ilen, prev, curr, next;\n\n        for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n            curr = timestamps[i];\n            if (curr > min && curr < max) {\n                items.push(curr);\n            }\n        }\n\n        items.push(max);\n\n        for (i = 0, ilen = items.length; i < ilen; ++i) {\n            next = items[i + 1];\n            prev = items[i - 1];\n            curr = items[i];\n\n            // only add points that breaks the scale linearity\n            if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {\n                table.push({time: curr, pos: i / (ilen - 1)});\n            }\n        }\n\n        return table;\n    }\n\n// @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/\n    function lookup(table, key, value) {\n        var lo = 0;\n        var hi = table.length - 1;\n        var mid, i0, i1;\n\n        while (lo >= 0 && lo <= hi) {\n            mid = (lo + hi) >> 1;\n            i0 = table[mid - 1] || null;\n            i1 = table[mid];\n\n            if (!i0) {\n                // given value is outside table (before first item)\n                return {lo: null, hi: i1};\n            } else if (i1[key] < value) {\n                lo = mid + 1;\n            } else if (i0[key] > value) {\n                hi = mid - 1;\n            } else {\n                return {lo: i0, hi: i1};\n            }\n        }\n\n        // given value is outside table (after last item)\n        return {lo: i1, hi: null};\n    }\n\n    /**\n     * Linearly interpolates the given source `value` using the table items `skey` values and\n     * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')\n     * returns the position for a timestamp equal to 42. If value is out of bounds, values at\n     * index [0, 1] or [n - 1, n] are used for the interpolation.\n     */\n    function interpolate(table, skey, sval, tkey) {\n        var range = lookup(table, skey, sval);\n\n        // Note: the lookup table ALWAYS contains at least 2 items (min and max)\n        var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;\n        var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;\n\n        var span = next[skey] - prev[skey];\n        var ratio = span ? (sval - prev[skey]) / span : 0;\n        var offset = (next[tkey] - prev[tkey]) * ratio;\n\n        return prev[tkey] + offset;\n    }\n\n    /**\n     * Convert the given value to a moment object using the given time options.\n     * @see http://momentjs.com/docs/#/parsing/\n     */\n    function momentify(value, options) {\n        var parser = options.parser;\n        var format = options.parser || options.format;\n\n        if (typeof parser === 'function') {\n            return parser(value);\n        }\n\n        if (typeof value === 'string' && typeof format === 'string') {\n            return moment(value, format);\n        }\n\n        if (!(value instanceof moment)) {\n            value = moment(value);\n        }\n\n        if (value.isValid()) {\n            return value;\n        }\n\n        // Labels are in an incompatible moment format and no `parser` has been provided.\n        // The user might still use the deprecated `format` option to convert his inputs.\n        if (typeof format === 'function') {\n            return format(value);\n        }\n\n        return value;\n    }\n\n    function parse(input, scale) {\n        if (helpers.isNullOrUndef(input)) {\n            return null;\n        }\n\n        var options = scale.options.time;\n        var value = momentify(scale.getRightValue(input), options);\n        if (!value.isValid()) {\n            return null;\n        }\n\n        if (options.round) {\n            value.startOf(options.round);\n        }\n\n        return value.valueOf();\n    }\n\n    /**\n     * Returns the number of unit to skip to be able to display up to `capacity` number of ticks\n     * in `unit` for the given `min` / `max` range and respecting the interval steps constraints.\n     */\n    function determineStepSize(min, max, unit, capacity) {\n        var range = max - min;\n        var interval = INTERVALS[unit];\n        var milliseconds = interval.size;\n        var steps = interval.steps;\n        var i, ilen, factor;\n\n        if (!steps) {\n            return Math.ceil(range / ((capacity || 1) * milliseconds));\n        }\n\n        for (i = 0, ilen = steps.length; i < ilen; ++i) {\n            factor = steps[i];\n            if (Math.ceil(range / (milliseconds * factor)) <= capacity) {\n                break;\n            }\n        }\n\n        return factor;\n    }\n\n    function determineUnit(minUnit, min, max, capacity) {\n        var ilen = UNITS.length;\n        var i, interval, factor;\n\n        for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n            interval = INTERVALS[UNITS[i]];\n            factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER;\n\n            if (Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\n                return UNITS[i];\n            }\n        }\n\n        return UNITS[ilen - 1];\n    }\n\n    function determineMajorUnit(unit) {\n        for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\n            if (INTERVALS[UNITS[i]].major) {\n                return UNITS[i];\n            }\n        }\n    }\n\n    /**\n     * Generates a maximum of `capacity` timestamps between min and max, rounded to the\n     * `minor` unit, aligned on the `major` unit and using the given scale time `options`.\n     * Important: this method can return ticks outside the min and max range, it's the\n     * responsibility of the calling code to clamp values if needed.\n     */\n    function generate(min, max, minor, major, capacity, options) {\n        var timeOpts = options.time;\n        var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize);\n        var weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n        var majorTicksEnabled = options.ticks.major.enabled;\n        var interval = INTERVALS[minor];\n        var first = moment(min);\n        var last = moment(max);\n        var ticks = [];\n        var time;\n\n        if (!stepSize) {\n            stepSize = determineStepSize(min, max, minor, capacity);\n        }\n\n        // For 'week' unit, handle the first day of week option\n        if (weekday) {\n            first = first.isoWeekday(weekday);\n            last = last.isoWeekday(weekday);\n        }\n\n        // Align first/last ticks on unit\n        first = first.startOf(weekday ? 'day' : minor);\n        last = last.startOf(weekday ? 'day' : minor);\n\n        // Make sure that the last tick include max\n        if (last < max) {\n            last.add(1, minor);\n        }\n\n        time = moment(first);\n\n        if (majorTicksEnabled && major && !weekday && !timeOpts.round) {\n            // Align the first tick on the previous `minor` unit aligned on the `major` unit:\n            // we first aligned time on the previous `major` unit then add the number of full\n            // stepSize there is between first and the previous major time.\n            time.startOf(major);\n            time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor);\n        }\n\n        for (; time < last; time.add(stepSize, minor)) {\n            ticks.push(+time);\n        }\n\n        ticks.push(+time);\n\n        return ticks;\n    }\n\n    /**\n     * Returns the right and left offsets from edges in the form of {left, right}.\n     * Offsets are added when the `offset` option is true.\n     */\n    function computeOffsets(table, ticks, min, max, options) {\n        var left = 0;\n        var right = 0;\n        var upper, lower;\n\n        if (options.offset && ticks.length) {\n            if (!options.time.min) {\n                upper = ticks.length > 1 ? ticks[1] : max;\n                lower = ticks[0];\n                left = (\n                        interpolate(table, 'time', upper, 'pos') -\n                        interpolate(table, 'time', lower, 'pos')\n                    ) / 2;\n            }\n            if (!options.time.max) {\n                upper = ticks[ticks.length - 1];\n                lower = ticks.length > 1 ? ticks[ticks.length - 2] : min;\n                right = (\n                        interpolate(table, 'time', upper, 'pos') -\n                        interpolate(table, 'time', lower, 'pos')\n                    ) / 2;\n            }\n        }\n\n        return {left: left, right: right};\n    }\n\n    function ticksFromTimestamps(values, majorUnit) {\n        var ticks = [];\n        var i, ilen, value, major;\n\n        for (i = 0, ilen = values.length; i < ilen; ++i) {\n            value = values[i];\n            major = majorUnit ? value === +moment(value).startOf(majorUnit) : false;\n\n            ticks.push({\n                value: value,\n                major: major\n            });\n        }\n\n        return ticks;\n    }\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'bottom',\n\n            /**\n             * Data distribution along the scale:\n             * - 'linear': data are spread according to their time (distances can vary),\n             * - 'series': data are spread at the same distance from each other.\n             * @see https://github.com/chartjs/Chart.js/pull/4507\n             * @since 2.7.0\n             */\n            distribution: 'linear',\n\n            /**\n             * Scale boundary strategy (bypassed by min/max time options)\n             * - `data`: make sure data are fully visible, ticks outside are removed\n             * - `ticks`: make sure ticks are fully visible, data outside are truncated\n             * @see https://github.com/chartjs/Chart.js/pull/4556\n             * @since 2.7.0\n             */\n            bounds: 'data',\n\n            time: {\n                parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment\n                format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/\n                unit: false, // false == automatic or override with week, month, year, etc.\n                round: false, // none, or override with week, month, year, etc.\n                displayFormat: false, // DEPRECATED\n                isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/\n                minUnit: 'millisecond',\n\n                // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/\n                displayFormats: {\n                    millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM,\n                    second: 'h:mm:ss a', // 11:20:01 AM\n                    minute: 'h:mm a', // 11:20 AM\n                    hour: 'hA', // 5PM\n                    day: 'MMM D', // Sep 4\n                    week: 'll', // Week 46, or maybe \"[W]WW - YYYY\" ?\n                    month: 'MMM YYYY', // Sept 2015\n                    quarter: '[Q]Q - YYYY', // Q3\n                    year: 'YYYY' // 2015\n                },\n            },\n            ticks: {\n                autoSkip: false,\n\n                /**\n                 * Ticks generation input values:\n                 * - 'auto': generates \"optimal\" ticks based on scale size and time options.\n                 * - 'data': generates ticks from data (including labels from data {t|x|y} objects).\n                 * - 'labels': generates ticks from user given `data.labels` values ONLY.\n                 * @see https://github.com/chartjs/Chart.js/pull/4507\n                 * @since 2.7.0\n                 */\n                source: 'auto',\n\n                major: {\n                    enabled: false\n                }\n            }\n        };\n\n        var TimeScale = Chart.Scale.extend({\n            initialize: function() {\n                if (!moment) {\n                    throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com');\n                }\n\n                this.mergeTicksOptions();\n\n                Chart.Scale.prototype.initialize.call(this);\n            },\n\n            update: function() {\n                var me = this;\n                var options = me.options;\n\n                // DEPRECATIONS: output a message only one time per update\n                if (options.time && options.time.format) {\n                    console.warn('options.time.format is deprecated and replaced by options.time.parser.');\n                }\n\n                return Chart.Scale.prototype.update.apply(me, arguments);\n            },\n\n            /**\n             * Allows data to be referenced via 't' attribute\n             */\n            getRightValue: function(rawValue) {\n                if (rawValue && rawValue.t !== undefined) {\n                    rawValue = rawValue.t;\n                }\n                return Chart.Scale.prototype.getRightValue.call(this, rawValue);\n            },\n\n            determineDataLimits: function() {\n                var me = this;\n                var chart = me.chart;\n                var timeOpts = me.options.time;\n                var min = parse(timeOpts.min, me) || MAX_INTEGER;\n                var max = parse(timeOpts.max, me) || MIN_INTEGER;\n                var timestamps = [];\n                var datasets = [];\n                var labels = [];\n                var i, j, ilen, jlen, data, timestamp;\n\n                // Convert labels to timestamps\n                for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) {\n                    labels.push(parse(chart.data.labels[i], me));\n                }\n\n                // Convert data to timestamps\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    if (chart.isDatasetVisible(i)) {\n                        data = chart.data.datasets[i].data;\n\n                        // Let's consider that all data have the same format.\n                        if (helpers.isObject(data[0])) {\n                            datasets[i] = [];\n\n                            for (j = 0, jlen = data.length; j < jlen; ++j) {\n                                timestamp = parse(data[j], me);\n                                timestamps.push(timestamp);\n                                datasets[i][j] = timestamp;\n                            }\n                        } else {\n                            timestamps.push.apply(timestamps, labels);\n                            datasets[i] = labels.slice(0);\n                        }\n                    } else {\n                        datasets[i] = [];\n                    }\n                }\n\n                if (labels.length) {\n                    // Sort labels **after** data have been converted\n                    labels = arrayUnique(labels).sort(sorter);\n                    min = Math.min(min, labels[0]);\n                    max = Math.max(max, labels[labels.length - 1]);\n                }\n\n                if (timestamps.length) {\n                    timestamps = arrayUnique(timestamps).sort(sorter);\n                    min = Math.min(min, timestamps[0]);\n                    max = Math.max(max, timestamps[timestamps.length - 1]);\n                }\n\n                // In case there is no valid min/max, let's use today limits\n                min = min === MAX_INTEGER ? +moment().startOf('day') : min;\n                max = max === MIN_INTEGER ? +moment().endOf('day') + 1 : max;\n\n                // Make sure that max is strictly higher than min (required by the lookup table)\n                me.min = Math.min(min, max);\n                me.max = Math.max(min + 1, max);\n\n                // PRIVATE\n                me._horizontal = me.isHorizontal();\n                me._table = [];\n                me._timestamps = {\n                    data: timestamps,\n                    datasets: datasets,\n                    labels: labels\n                };\n            },\n\n            buildTicks: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n                var options = me.options;\n                var timeOpts = options.time;\n                var formats = timeOpts.displayFormats;\n                var capacity = me.getLabelCapacity(min);\n                var unit = timeOpts.unit || determineUnit(timeOpts.minUnit, min, max, capacity);\n                var majorUnit = determineMajorUnit(unit);\n                var timestamps = [];\n                var ticks = [];\n                var i, ilen, timestamp;\n\n                switch (options.ticks.source) {\n                    case 'data':\n                        timestamps = me._timestamps.data;\n                        break;\n                    case 'labels':\n                        timestamps = me._timestamps.labels;\n                        break;\n                    case 'auto':\n                    default:\n                        timestamps = generate(min, max, unit, majorUnit, capacity, options);\n                }\n\n                if (options.bounds === 'ticks' && timestamps.length) {\n                    min = timestamps[0];\n                    max = timestamps[timestamps.length - 1];\n                }\n\n                // Enforce limits with user min/max options\n                min = parse(timeOpts.min, me) || min;\n                max = parse(timeOpts.max, me) || max;\n\n                // Remove ticks outside the min/max range\n                for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n                    timestamp = timestamps[i];\n                    if (timestamp >= min && timestamp <= max) {\n                        ticks.push(timestamp);\n                    }\n                }\n\n                me.min = min;\n                me.max = max;\n\n                // PRIVATE\n                me._unit = unit;\n                me._majorUnit = majorUnit;\n                me._minorFormat = formats[unit];\n                me._majorFormat = formats[majorUnit];\n                me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution);\n                me._offsets = computeOffsets(me._table, ticks, min, max, options);\n\n                return ticksFromTimestamps(ticks, majorUnit);\n            },\n\n            getLabelForIndex: function(index, datasetIndex) {\n                var me = this;\n                var data = me.chart.data;\n                var timeOpts = me.options.time;\n                var label = data.labels && index < data.labels.length ? data.labels[index] : '';\n                var value = data.datasets[datasetIndex].data[index];\n\n                if (helpers.isObject(value)) {\n                    label = me.getRightValue(value);\n                }\n                if (timeOpts.tooltipFormat) {\n                    label = momentify(label, timeOpts).format(timeOpts.tooltipFormat);\n                }\n\n                return label;\n            },\n\n            /**\n             * Function to format an individual tick mark\n             * @private\n             */\n            tickFormatFunction: function(tick, index, ticks) {\n                var me = this;\n                var options = me.options;\n                var time = tick.valueOf();\n                var majorUnit = me._majorUnit;\n                var majorFormat = me._majorFormat;\n                var majorTime = tick.clone().startOf(me._majorUnit).valueOf();\n                var majorTickOpts = options.ticks.major;\n                var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime;\n                var label = tick.format(major ? majorFormat : me._minorFormat);\n                var tickOpts = major ? majorTickOpts : options.ticks.minor;\n                var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback);\n\n                return formatter ? formatter(label, index, ticks) : label;\n            },\n\n            convertTicksToLabels: function(ticks) {\n                var labels = [];\n                var i, ilen;\n\n                for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n                    labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks));\n                }\n\n                return labels;\n            },\n\n            /**\n             * @private\n             */\n            getPixelForOffset: function(time) {\n                var me = this;\n                var size = me._horizontal ? me.width : me.height;\n                var start = me._horizontal ? me.left : me.top;\n                var pos = interpolate(me._table, 'time', time, 'pos');\n\n                return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right);\n            },\n\n            getPixelForValue: function(value, index, datasetIndex) {\n                var me = this;\n                var time = null;\n\n                if (index !== undefined && datasetIndex !== undefined) {\n                    time = me._timestamps.datasets[datasetIndex][index];\n                }\n\n                if (time === null) {\n                    time = parse(value, me);\n                }\n\n                if (time !== null) {\n                    return me.getPixelForOffset(time);\n                }\n            },\n\n            getPixelForTick: function(index) {\n                var ticks = this.getTicks();\n                return index >= 0 && index < ticks.length ?\n                    this.getPixelForOffset(ticks[index].value) :\n                    null;\n            },\n\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var size = me._horizontal ? me.width : me.height;\n                var start = me._horizontal ? me.left : me.top;\n                var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right;\n                var time = interpolate(me._table, 'pos', pos, 'time');\n\n                return moment(time);\n            },\n\n            /**\n             * Crude approximation of what the label width might be\n             * @private\n             */\n            getLabelWidth: function(label) {\n                var me = this;\n                var ticksOpts = me.options.ticks;\n                var tickLabelWidth = me.ctx.measureText(label).width;\n                var angle = helpers.toRadians(ticksOpts.maxRotation);\n                var cosRotation = Math.cos(angle);\n                var sinRotation = Math.sin(angle);\n                var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize);\n\n                return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation);\n            },\n\n            /**\n             * @private\n             */\n            getLabelCapacity: function(exampleTime) {\n                var me = this;\n\n                me._minorFormat = me.options.time.displayFormats.millisecond;\t// Pick the longest format for guestimation\n\n                var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, []);\n                var tickLabelWidth = me.getLabelWidth(exampleLabel);\n                var innerWidth = me.isHorizontal() ? me.width : me.height;\n\n                return Math.floor(innerWidth / tickLabelWidth);\n            }\n        });\n\n        Chart.scaleService.registerScaleType('time', TimeScale, defaultConfig);\n    };\n\n},{\"25\":25,\"45\":45,\"6\":6}]},{},[7])(7)\n});"],"file":"chartjs-lazy.min.js"}
\ No newline at end of file
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* Chart.js\n * http://chartjs.org/\n * Version: 2.2.2\n *\n * Copyright 2016 Nick Downie\n * Released under the MIT license\n * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md\n */\n\n/**\n * Description of import into Moodle:\n *\n * - Download Chart.bundle.js from https://github.com/chartjs/Chart.js/releases.\n * - Copy Chart.bundle.js content to lib/amd/src/chartjs-lazy.js.\n * - Convert line endings to LF-Unix format.\n * - Keep these instructions to the file.\n * - Visit lib/tests/other/chartjstestpage.php to see if the library still works after the update.\n */\n\n(function(f){if(typeof exports===\"object\"&&typeof module!==\"undefined\"){module.exports=f()}else if(typeof define===\"function\"&&define.amd){define([],f)}else{var g;if(typeof window!==\"undefined\"){g=window}else if(typeof global!==\"undefined\"){g=global}else if(typeof self!==\"undefined\"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n\t/* MIT license */\n    var colorNames = require(5);\n\n    module.exports = {\n        getRgba: getRgba,\n        getHsla: getHsla,\n        getRgb: getRgb,\n        getHsl: getHsl,\n        getHwb: getHwb,\n        getAlpha: getAlpha,\n\n        hexString: hexString,\n        rgbString: rgbString,\n        rgbaString: rgbaString,\n        percentString: percentString,\n        percentaString: percentaString,\n        hslString: hslString,\n        hslaString: hslaString,\n        hwbString: hwbString,\n        keyword: keyword\n    }\n\n    function getRgba(string) {\n        if (!string) {\n            return;\n        }\n        var abbr =  /^#([a-fA-F0-9]{3})$/i,\n            hex =  /^#([a-fA-F0-9]{6})$/i,\n            rgba = /^rgba?\\(\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n            per = /^rgba?\\(\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n            keyword = /(\\w+)/;\n\n        var rgb = [0, 0, 0],\n            a = 1,\n            match = string.match(abbr);\n        if (match) {\n            match = match[1];\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match[i] + match[i], 16);\n            }\n        }\n        else if (match = string.match(hex)) {\n            match = match[1];\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);\n            }\n        }\n        else if (match = string.match(rgba)) {\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match[i + 1]);\n            }\n            a = parseFloat(match[4]);\n        }\n        else if (match = string.match(per)) {\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);\n            }\n            a = parseFloat(match[4]);\n        }\n        else if (match = string.match(keyword)) {\n            if (match[1] == \"transparent\") {\n                return [0, 0, 0, 0];\n            }\n            rgb = colorNames[match[1]];\n            if (!rgb) {\n                return;\n            }\n        }\n\n        for (var i = 0; i < rgb.length; i++) {\n            rgb[i] = scale(rgb[i], 0, 255);\n        }\n        if (!a && a != 0) {\n            a = 1;\n        }\n        else {\n            a = scale(a, 0, 1);\n        }\n        rgb[3] = a;\n        return rgb;\n    }\n\n    function getHsla(string) {\n        if (!string) {\n            return;\n        }\n        var hsl = /^hsla?\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n        var match = string.match(hsl);\n        if (match) {\n            var alpha = parseFloat(match[4]);\n            var h = scale(parseInt(match[1]), 0, 360),\n                s = scale(parseFloat(match[2]), 0, 100),\n                l = scale(parseFloat(match[3]), 0, 100),\n                a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n            return [h, s, l, a];\n        }\n    }\n\n    function getHwb(string) {\n        if (!string) {\n            return;\n        }\n        var hwb = /^hwb\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n        var match = string.match(hwb);\n        if (match) {\n            var alpha = parseFloat(match[4]);\n            var h = scale(parseInt(match[1]), 0, 360),\n                w = scale(parseFloat(match[2]), 0, 100),\n                b = scale(parseFloat(match[3]), 0, 100),\n                a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n            return [h, w, b, a];\n        }\n    }\n\n    function getRgb(string) {\n        var rgba = getRgba(string);\n        return rgba && rgba.slice(0, 3);\n    }\n\n    function getHsl(string) {\n        var hsla = getHsla(string);\n        return hsla && hsla.slice(0, 3);\n    }\n\n    function getAlpha(string) {\n        var vals = getRgba(string);\n        if (vals) {\n            return vals[3];\n        }\n        else if (vals = getHsla(string)) {\n            return vals[3];\n        }\n        else if (vals = getHwb(string)) {\n            return vals[3];\n        }\n    }\n\n// generators\n    function hexString(rgb) {\n        return \"#\" + hexDouble(rgb[0]) + hexDouble(rgb[1])\n            + hexDouble(rgb[2]);\n    }\n\n    function rgbString(rgba, alpha) {\n        if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n            return rgbaString(rgba, alpha);\n        }\n        return \"rgb(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2] + \")\";\n    }\n\n    function rgbaString(rgba, alpha) {\n        if (alpha === undefined) {\n            alpha = (rgba[3] !== undefined ? rgba[3] : 1);\n        }\n        return \"rgba(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2]\n            + \", \" + alpha + \")\";\n    }\n\n    function percentString(rgba, alpha) {\n        if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n            return percentaString(rgba, alpha);\n        }\n        var r = Math.round(rgba[0]/255 * 100),\n            g = Math.round(rgba[1]/255 * 100),\n            b = Math.round(rgba[2]/255 * 100);\n\n        return \"rgb(\" + r + \"%, \" + g + \"%, \" + b + \"%)\";\n    }\n\n    function percentaString(rgba, alpha) {\n        var r = Math.round(rgba[0]/255 * 100),\n            g = Math.round(rgba[1]/255 * 100),\n            b = Math.round(rgba[2]/255 * 100);\n        return \"rgba(\" + r + \"%, \" + g + \"%, \" + b + \"%, \" + (alpha || rgba[3] || 1) + \")\";\n    }\n\n    function hslString(hsla, alpha) {\n        if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {\n            return hslaString(hsla, alpha);\n        }\n        return \"hsl(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%)\";\n    }\n\n    function hslaString(hsla, alpha) {\n        if (alpha === undefined) {\n            alpha = (hsla[3] !== undefined ? hsla[3] : 1);\n        }\n        return \"hsla(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%, \"\n            + alpha + \")\";\n    }\n\n// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax\n// (hwb have alpha optional & 1 is default value)\n    function hwbString(hwb, alpha) {\n        if (alpha === undefined) {\n            alpha = (hwb[3] !== undefined ? hwb[3] : 1);\n        }\n        return \"hwb(\" + hwb[0] + \", \" + hwb[1] + \"%, \" + hwb[2] + \"%\"\n            + (alpha !== undefined && alpha !== 1 ? \", \" + alpha : \"\") + \")\";\n    }\n\n    function keyword(rgb) {\n        return reverseNames[rgb.slice(0, 3)];\n    }\n\n// helpers\n    function scale(num, min, max) {\n        return Math.min(Math.max(min, num), max);\n    }\n\n    function hexDouble(num) {\n        var str = num.toString(16).toUpperCase();\n        return (str.length < 2) ? \"0\" + str : str;\n    }\n\n\n//create a list of reverse color names\n    var reverseNames = {};\n    for (var name in colorNames) {\n        reverseNames[colorNames[name]] = name;\n    }\n\n},{\"5\":5}],2:[function(require,module,exports){\n\t/* MIT license */\n    var convert = require(4);\n    var string = require(1);\n\n    var Color = function (obj) {\n        if (obj instanceof Color) {\n            return obj;\n        }\n        if (!(this instanceof Color)) {\n            return new Color(obj);\n        }\n\n        this.valid = false;\n        this.values = {\n            rgb: [0, 0, 0],\n            hsl: [0, 0, 0],\n            hsv: [0, 0, 0],\n            hwb: [0, 0, 0],\n            cmyk: [0, 0, 0, 0],\n            alpha: 1\n        };\n\n        // parse Color() argument\n        var vals;\n        if (typeof obj === 'string') {\n            vals = string.getRgba(obj);\n            if (vals) {\n                this.setValues('rgb', vals);\n            } else if (vals = string.getHsla(obj)) {\n                this.setValues('hsl', vals);\n            } else if (vals = string.getHwb(obj)) {\n                this.setValues('hwb', vals);\n            }\n        } else if (typeof obj === 'object') {\n            vals = obj;\n            if (vals.r !== undefined || vals.red !== undefined) {\n                this.setValues('rgb', vals);\n            } else if (vals.l !== undefined || vals.lightness !== undefined) {\n                this.setValues('hsl', vals);\n            } else if (vals.v !== undefined || vals.value !== undefined) {\n                this.setValues('hsv', vals);\n            } else if (vals.w !== undefined || vals.whiteness !== undefined) {\n                this.setValues('hwb', vals);\n            } else if (vals.c !== undefined || vals.cyan !== undefined) {\n                this.setValues('cmyk', vals);\n            }\n        }\n    };\n\n    Color.prototype = {\n        isValid: function () {\n            return this.valid;\n        },\n        rgb: function () {\n            return this.setSpace('rgb', arguments);\n        },\n        hsl: function () {\n            return this.setSpace('hsl', arguments);\n        },\n        hsv: function () {\n            return this.setSpace('hsv', arguments);\n        },\n        hwb: function () {\n            return this.setSpace('hwb', arguments);\n        },\n        cmyk: function () {\n            return this.setSpace('cmyk', arguments);\n        },\n\n        rgbArray: function () {\n            return this.values.rgb;\n        },\n        hslArray: function () {\n            return this.values.hsl;\n        },\n        hsvArray: function () {\n            return this.values.hsv;\n        },\n        hwbArray: function () {\n            var values = this.values;\n            if (values.alpha !== 1) {\n                return values.hwb.concat([values.alpha]);\n            }\n            return values.hwb;\n        },\n        cmykArray: function () {\n            return this.values.cmyk;\n        },\n        rgbaArray: function () {\n            var values = this.values;\n            return values.rgb.concat([values.alpha]);\n        },\n        hslaArray: function () {\n            var values = this.values;\n            return values.hsl.concat([values.alpha]);\n        },\n        alpha: function (val) {\n            if (val === undefined) {\n                return this.values.alpha;\n            }\n            this.setValues('alpha', val);\n            return this;\n        },\n\n        red: function (val) {\n            return this.setChannel('rgb', 0, val);\n        },\n        green: function (val) {\n            return this.setChannel('rgb', 1, val);\n        },\n        blue: function (val) {\n            return this.setChannel('rgb', 2, val);\n        },\n        hue: function (val) {\n            if (val) {\n                val %= 360;\n                val = val < 0 ? 360 + val : val;\n            }\n            return this.setChannel('hsl', 0, val);\n        },\n        saturation: function (val) {\n            return this.setChannel('hsl', 1, val);\n        },\n        lightness: function (val) {\n            return this.setChannel('hsl', 2, val);\n        },\n        saturationv: function (val) {\n            return this.setChannel('hsv', 1, val);\n        },\n        whiteness: function (val) {\n            return this.setChannel('hwb', 1, val);\n        },\n        blackness: function (val) {\n            return this.setChannel('hwb', 2, val);\n        },\n        value: function (val) {\n            return this.setChannel('hsv', 2, val);\n        },\n        cyan: function (val) {\n            return this.setChannel('cmyk', 0, val);\n        },\n        magenta: function (val) {\n            return this.setChannel('cmyk', 1, val);\n        },\n        yellow: function (val) {\n            return this.setChannel('cmyk', 2, val);\n        },\n        black: function (val) {\n            return this.setChannel('cmyk', 3, val);\n        },\n\n        hexString: function () {\n            return string.hexString(this.values.rgb);\n        },\n        rgbString: function () {\n            return string.rgbString(this.values.rgb, this.values.alpha);\n        },\n        rgbaString: function () {\n            return string.rgbaString(this.values.rgb, this.values.alpha);\n        },\n        percentString: function () {\n            return string.percentString(this.values.rgb, this.values.alpha);\n        },\n        hslString: function () {\n            return string.hslString(this.values.hsl, this.values.alpha);\n        },\n        hslaString: function () {\n            return string.hslaString(this.values.hsl, this.values.alpha);\n        },\n        hwbString: function () {\n            return string.hwbString(this.values.hwb, this.values.alpha);\n        },\n        keyword: function () {\n            return string.keyword(this.values.rgb, this.values.alpha);\n        },\n\n        rgbNumber: function () {\n            var rgb = this.values.rgb;\n            return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];\n        },\n\n        luminosity: function () {\n            // http://www.w3.org/TR/WCAG20/#relativeluminancedef\n            var rgb = this.values.rgb;\n            var lum = [];\n            for (var i = 0; i < rgb.length; i++) {\n                var chan = rgb[i] / 255;\n                lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);\n            }\n            return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];\n        },\n\n        contrast: function (color2) {\n            // http://www.w3.org/TR/WCAG20/#contrast-ratiodef\n            var lum1 = this.luminosity();\n            var lum2 = color2.luminosity();\n            if (lum1 > lum2) {\n                return (lum1 + 0.05) / (lum2 + 0.05);\n            }\n            return (lum2 + 0.05) / (lum1 + 0.05);\n        },\n\n        level: function (color2) {\n            var contrastRatio = this.contrast(color2);\n            if (contrastRatio >= 7.1) {\n                return 'AAA';\n            }\n\n            return (contrastRatio >= 4.5) ? 'AA' : '';\n        },\n\n        dark: function () {\n            // YIQ equation from http://24ways.org/2010/calculating-color-contrast\n            var rgb = this.values.rgb;\n            var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;\n            return yiq < 128;\n        },\n\n        light: function () {\n            return !this.dark();\n        },\n\n        negate: function () {\n            var rgb = [];\n            for (var i = 0; i < 3; i++) {\n                rgb[i] = 255 - this.values.rgb[i];\n            }\n            this.setValues('rgb', rgb);\n            return this;\n        },\n\n        lighten: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[2] += hsl[2] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        darken: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[2] -= hsl[2] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        saturate: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[1] += hsl[1] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        desaturate: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[1] -= hsl[1] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        whiten: function (ratio) {\n            var hwb = this.values.hwb;\n            hwb[1] += hwb[1] * ratio;\n            this.setValues('hwb', hwb);\n            return this;\n        },\n\n        blacken: function (ratio) {\n            var hwb = this.values.hwb;\n            hwb[2] += hwb[2] * ratio;\n            this.setValues('hwb', hwb);\n            return this;\n        },\n\n        greyscale: function () {\n            var rgb = this.values.rgb;\n            // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale\n            var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;\n            this.setValues('rgb', [val, val, val]);\n            return this;\n        },\n\n        clearer: function (ratio) {\n            var alpha = this.values.alpha;\n            this.setValues('alpha', alpha - (alpha * ratio));\n            return this;\n        },\n\n        opaquer: function (ratio) {\n            var alpha = this.values.alpha;\n            this.setValues('alpha', alpha + (alpha * ratio));\n            return this;\n        },\n\n        rotate: function (degrees) {\n            var hsl = this.values.hsl;\n            var hue = (hsl[0] + degrees) % 360;\n            hsl[0] = hue < 0 ? 360 + hue : hue;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        /**\n         * Ported from sass implementation in C\n         * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209\n         */\n        mix: function (mixinColor, weight) {\n            var color1 = this;\n            var color2 = mixinColor;\n            var p = weight === undefined ? 0.5 : weight;\n\n            var w = 2 * p - 1;\n            var a = color1.alpha() - color2.alpha();\n\n            var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n            var w2 = 1 - w1;\n\n            return this\n                .rgb(\n                    w1 * color1.red() + w2 * color2.red(),\n                    w1 * color1.green() + w2 * color2.green(),\n                    w1 * color1.blue() + w2 * color2.blue()\n                )\n                .alpha(color1.alpha() * p + color2.alpha() * (1 - p));\n        },\n\n        toJSON: function () {\n            return this.rgb();\n        },\n\n        clone: function () {\n            // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,\n            // making the final build way to big to embed in Chart.js. So let's do it manually,\n            // assuming that values to clone are 1 dimension arrays containing only numbers,\n            // except 'alpha' which is a number.\n            var result = new Color();\n            var source = this.values;\n            var target = result.values;\n            var value, type;\n\n            for (var prop in source) {\n                if (source.hasOwnProperty(prop)) {\n                    value = source[prop];\n                    type = ({}).toString.call(value);\n                    if (type === '[object Array]') {\n                        target[prop] = value.slice(0);\n                    } else if (type === '[object Number]') {\n                        target[prop] = value;\n                    } else {\n                        console.error('unexpected color value:', value);\n                    }\n                }\n            }\n\n            return result;\n        }\n    };\n\n    Color.prototype.spaces = {\n        rgb: ['red', 'green', 'blue'],\n        hsl: ['hue', 'saturation', 'lightness'],\n        hsv: ['hue', 'saturation', 'value'],\n        hwb: ['hue', 'whiteness', 'blackness'],\n        cmyk: ['cyan', 'magenta', 'yellow', 'black']\n    };\n\n    Color.prototype.maxes = {\n        rgb: [255, 255, 255],\n        hsl: [360, 100, 100],\n        hsv: [360, 100, 100],\n        hwb: [360, 100, 100],\n        cmyk: [100, 100, 100, 100]\n    };\n\n    Color.prototype.getValues = function (space) {\n        var values = this.values;\n        var vals = {};\n\n        for (var i = 0; i < space.length; i++) {\n            vals[space.charAt(i)] = values[space][i];\n        }\n\n        if (values.alpha !== 1) {\n            vals.a = values.alpha;\n        }\n\n        // {r: 255, g: 255, b: 255, a: 0.4}\n        return vals;\n    };\n\n    Color.prototype.setValues = function (space, vals) {\n        var values = this.values;\n        var spaces = this.spaces;\n        var maxes = this.maxes;\n        var alpha = 1;\n        var i;\n\n        this.valid = true;\n\n        if (space === 'alpha') {\n            alpha = vals;\n        } else if (vals.length) {\n            // [10, 10, 10]\n            values[space] = vals.slice(0, space.length);\n            alpha = vals[space.length];\n        } else if (vals[space.charAt(0)] !== undefined) {\n            // {r: 10, g: 10, b: 10}\n            for (i = 0; i < space.length; i++) {\n                values[space][i] = vals[space.charAt(i)];\n            }\n\n            alpha = vals.a;\n        } else if (vals[spaces[space][0]] !== undefined) {\n            // {red: 10, green: 10, blue: 10}\n            var chans = spaces[space];\n\n            for (i = 0; i < space.length; i++) {\n                values[space][i] = vals[chans[i]];\n            }\n\n            alpha = vals.alpha;\n        }\n\n        values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));\n\n        if (space === 'alpha') {\n            return false;\n        }\n\n        var capped;\n\n        // cap values of the space prior converting all values\n        for (i = 0; i < space.length; i++) {\n            capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));\n            values[space][i] = Math.round(capped);\n        }\n\n        // convert to all the other color spaces\n        for (var sname in spaces) {\n            if (sname !== space) {\n                values[sname] = convert[space][sname](values[space]);\n            }\n        }\n\n        return true;\n    };\n\n    Color.prototype.setSpace = function (space, args) {\n        var vals = args[0];\n\n        if (vals === undefined) {\n            // color.rgb()\n            return this.getValues(space);\n        }\n\n        // color.rgb(10, 10, 10)\n        if (typeof vals === 'number') {\n            vals = Array.prototype.slice.call(args);\n        }\n\n        this.setValues(space, vals);\n        return this;\n    };\n\n    Color.prototype.setChannel = function (space, index, val) {\n        var svalues = this.values[space];\n        if (val === undefined) {\n            // color.red()\n            return svalues[index];\n        } else if (val === svalues[index]) {\n            // color.red(color.red())\n            return this;\n        }\n\n        // color.red(100)\n        svalues[index] = val;\n        this.setValues(space, svalues);\n\n        return this;\n    };\n\n    if (typeof window !== 'undefined') {\n        window.Color = Color;\n    }\n\n    module.exports = Color;\n\n},{\"1\":1,\"4\":4}],3:[function(require,module,exports){\n\t/* MIT license */\n\n    module.exports = {\n        rgb2hsl: rgb2hsl,\n        rgb2hsv: rgb2hsv,\n        rgb2hwb: rgb2hwb,\n        rgb2cmyk: rgb2cmyk,\n        rgb2keyword: rgb2keyword,\n        rgb2xyz: rgb2xyz,\n        rgb2lab: rgb2lab,\n        rgb2lch: rgb2lch,\n\n        hsl2rgb: hsl2rgb,\n        hsl2hsv: hsl2hsv,\n        hsl2hwb: hsl2hwb,\n        hsl2cmyk: hsl2cmyk,\n        hsl2keyword: hsl2keyword,\n\n        hsv2rgb: hsv2rgb,\n        hsv2hsl: hsv2hsl,\n        hsv2hwb: hsv2hwb,\n        hsv2cmyk: hsv2cmyk,\n        hsv2keyword: hsv2keyword,\n\n        hwb2rgb: hwb2rgb,\n        hwb2hsl: hwb2hsl,\n        hwb2hsv: hwb2hsv,\n        hwb2cmyk: hwb2cmyk,\n        hwb2keyword: hwb2keyword,\n\n        cmyk2rgb: cmyk2rgb,\n        cmyk2hsl: cmyk2hsl,\n        cmyk2hsv: cmyk2hsv,\n        cmyk2hwb: cmyk2hwb,\n        cmyk2keyword: cmyk2keyword,\n\n        keyword2rgb: keyword2rgb,\n        keyword2hsl: keyword2hsl,\n        keyword2hsv: keyword2hsv,\n        keyword2hwb: keyword2hwb,\n        keyword2cmyk: keyword2cmyk,\n        keyword2lab: keyword2lab,\n        keyword2xyz: keyword2xyz,\n\n        xyz2rgb: xyz2rgb,\n        xyz2lab: xyz2lab,\n        xyz2lch: xyz2lch,\n\n        lab2xyz: lab2xyz,\n        lab2rgb: lab2rgb,\n        lab2lch: lab2lch,\n\n        lch2lab: lch2lab,\n        lch2xyz: lch2xyz,\n        lch2rgb: lch2rgb\n    }\n\n\n    function rgb2hsl(rgb) {\n        var r = rgb[0]/255,\n            g = rgb[1]/255,\n            b = rgb[2]/255,\n            min = Math.min(r, g, b),\n            max = Math.max(r, g, b),\n            delta = max - min,\n            h, s, l;\n\n        if (max == min)\n            h = 0;\n        else if (r == max)\n            h = (g - b) / delta;\n        else if (g == max)\n            h = 2 + (b - r) / delta;\n        else if (b == max)\n            h = 4 + (r - g)/ delta;\n\n        h = Math.min(h * 60, 360);\n\n        if (h < 0)\n            h += 360;\n\n        l = (min + max) / 2;\n\n        if (max == min)\n            s = 0;\n        else if (l <= 0.5)\n            s = delta / (max + min);\n        else\n            s = delta / (2 - max - min);\n\n        return [h, s * 100, l * 100];\n    }\n\n    function rgb2hsv(rgb) {\n        var r = rgb[0],\n            g = rgb[1],\n            b = rgb[2],\n            min = Math.min(r, g, b),\n            max = Math.max(r, g, b),\n            delta = max - min,\n            h, s, v;\n\n        if (max == 0)\n            s = 0;\n        else\n            s = (delta/max * 1000)/10;\n\n        if (max == min)\n            h = 0;\n        else if (r == max)\n            h = (g - b) / delta;\n        else if (g == max)\n            h = 2 + (b - r) / delta;\n        else if (b == max)\n            h = 4 + (r - g) / delta;\n\n        h = Math.min(h * 60, 360);\n\n        if (h < 0)\n            h += 360;\n\n        v = ((max / 255) * 1000) / 10;\n\n        return [h, s, v];\n    }\n\n    function rgb2hwb(rgb) {\n        var r = rgb[0],\n            g = rgb[1],\n            b = rgb[2],\n            h = rgb2hsl(rgb)[0],\n            w = 1/255 * Math.min(r, Math.min(g, b)),\n            b = 1 - 1/255 * Math.max(r, Math.max(g, b));\n\n        return [h, w * 100, b * 100];\n    }\n\n    function rgb2cmyk(rgb) {\n        var r = rgb[0] / 255,\n            g = rgb[1] / 255,\n            b = rgb[2] / 255,\n            c, m, y, k;\n\n        k = Math.min(1 - r, 1 - g, 1 - b);\n        c = (1 - r - k) / (1 - k) || 0;\n        m = (1 - g - k) / (1 - k) || 0;\n        y = (1 - b - k) / (1 - k) || 0;\n        return [c * 100, m * 100, y * 100, k * 100];\n    }\n\n    function rgb2keyword(rgb) {\n        return reverseKeywords[JSON.stringify(rgb)];\n    }\n\n    function rgb2xyz(rgb) {\n        var r = rgb[0] / 255,\n            g = rgb[1] / 255,\n            b = rgb[2] / 255;\n\n        // assume sRGB\n        r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);\n        g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);\n        b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);\n\n        var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);\n        var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);\n        var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);\n\n        return [x * 100, y *100, z * 100];\n    }\n\n    function rgb2lab(rgb) {\n        var xyz = rgb2xyz(rgb),\n            x = xyz[0],\n            y = xyz[1],\n            z = xyz[2],\n            l, a, b;\n\n        x /= 95.047;\n        y /= 100;\n        z /= 108.883;\n\n        x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n        y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n        z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n        l = (116 * y) - 16;\n        a = 500 * (x - y);\n        b = 200 * (y - z);\n\n        return [l, a, b];\n    }\n\n    function rgb2lch(args) {\n        return lab2lch(rgb2lab(args));\n    }\n\n    function hsl2rgb(hsl) {\n        var h = hsl[0] / 360,\n            s = hsl[1] / 100,\n            l = hsl[2] / 100,\n            t1, t2, t3, rgb, val;\n\n        if (s == 0) {\n            val = l * 255;\n            return [val, val, val];\n        }\n\n        if (l < 0.5)\n            t2 = l * (1 + s);\n        else\n            t2 = l + s - l * s;\n        t1 = 2 * l - t2;\n\n        rgb = [0, 0, 0];\n        for (var i = 0; i < 3; i++) {\n            t3 = h + 1 / 3 * - (i - 1);\n            t3 < 0 && t3++;\n            t3 > 1 && t3--;\n\n            if (6 * t3 < 1)\n                val = t1 + (t2 - t1) * 6 * t3;\n            else if (2 * t3 < 1)\n                val = t2;\n            else if (3 * t3 < 2)\n                val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;\n            else\n                val = t1;\n\n            rgb[i] = val * 255;\n        }\n\n        return rgb;\n    }\n\n    function hsl2hsv(hsl) {\n        var h = hsl[0],\n            s = hsl[1] / 100,\n            l = hsl[2] / 100,\n            sv, v;\n\n        if(l === 0) {\n            // no need to do calc on black\n            // also avoids divide by 0 error\n            return [0, 0, 0];\n        }\n\n        l *= 2;\n        s *= (l <= 1) ? l : 2 - l;\n        v = (l + s) / 2;\n        sv = (2 * s) / (l + s);\n        return [h, sv * 100, v * 100];\n    }\n\n    function hsl2hwb(args) {\n        return rgb2hwb(hsl2rgb(args));\n    }\n\n    function hsl2cmyk(args) {\n        return rgb2cmyk(hsl2rgb(args));\n    }\n\n    function hsl2keyword(args) {\n        return rgb2keyword(hsl2rgb(args));\n    }\n\n\n    function hsv2rgb(hsv) {\n        var h = hsv[0] / 60,\n            s = hsv[1] / 100,\n            v = hsv[2] / 100,\n            hi = Math.floor(h) % 6;\n\n        var f = h - Math.floor(h),\n            p = 255 * v * (1 - s),\n            q = 255 * v * (1 - (s * f)),\n            t = 255 * v * (1 - (s * (1 - f))),\n            v = 255 * v;\n\n        switch(hi) {\n            case 0:\n                return [v, t, p];\n            case 1:\n                return [q, v, p];\n            case 2:\n                return [p, v, t];\n            case 3:\n                return [p, q, v];\n            case 4:\n                return [t, p, v];\n            case 5:\n                return [v, p, q];\n        }\n    }\n\n    function hsv2hsl(hsv) {\n        var h = hsv[0],\n            s = hsv[1] / 100,\n            v = hsv[2] / 100,\n            sl, l;\n\n        l = (2 - s) * v;\n        sl = s * v;\n        sl /= (l <= 1) ? l : 2 - l;\n        sl = sl || 0;\n        l /= 2;\n        return [h, sl * 100, l * 100];\n    }\n\n    function hsv2hwb(args) {\n        return rgb2hwb(hsv2rgb(args))\n    }\n\n    function hsv2cmyk(args) {\n        return rgb2cmyk(hsv2rgb(args));\n    }\n\n    function hsv2keyword(args) {\n        return rgb2keyword(hsv2rgb(args));\n    }\n\n// http://dev.w3.org/csswg/css-color/#hwb-to-rgb\n    function hwb2rgb(hwb) {\n        var h = hwb[0] / 360,\n            wh = hwb[1] / 100,\n            bl = hwb[2] / 100,\n            ratio = wh + bl,\n            i, v, f, n;\n\n        // wh + bl cant be > 1\n        if (ratio > 1) {\n            wh /= ratio;\n            bl /= ratio;\n        }\n\n        i = Math.floor(6 * h);\n        v = 1 - bl;\n        f = 6 * h - i;\n        if ((i & 0x01) != 0) {\n            f = 1 - f;\n        }\n        n = wh + f * (v - wh);  // linear interpolation\n\n        switch (i) {\n            default:\n            case 6:\n            case 0: r = v; g = n; b = wh; break;\n            case 1: r = n; g = v; b = wh; break;\n            case 2: r = wh; g = v; b = n; break;\n            case 3: r = wh; g = n; b = v; break;\n            case 4: r = n; g = wh; b = v; break;\n            case 5: r = v; g = wh; b = n; break;\n        }\n\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function hwb2hsl(args) {\n        return rgb2hsl(hwb2rgb(args));\n    }\n\n    function hwb2hsv(args) {\n        return rgb2hsv(hwb2rgb(args));\n    }\n\n    function hwb2cmyk(args) {\n        return rgb2cmyk(hwb2rgb(args));\n    }\n\n    function hwb2keyword(args) {\n        return rgb2keyword(hwb2rgb(args));\n    }\n\n    function cmyk2rgb(cmyk) {\n        var c = cmyk[0] / 100,\n            m = cmyk[1] / 100,\n            y = cmyk[2] / 100,\n            k = cmyk[3] / 100,\n            r, g, b;\n\n        r = 1 - Math.min(1, c * (1 - k) + k);\n        g = 1 - Math.min(1, m * (1 - k) + k);\n        b = 1 - Math.min(1, y * (1 - k) + k);\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function cmyk2hsl(args) {\n        return rgb2hsl(cmyk2rgb(args));\n    }\n\n    function cmyk2hsv(args) {\n        return rgb2hsv(cmyk2rgb(args));\n    }\n\n    function cmyk2hwb(args) {\n        return rgb2hwb(cmyk2rgb(args));\n    }\n\n    function cmyk2keyword(args) {\n        return rgb2keyword(cmyk2rgb(args));\n    }\n\n\n    function xyz2rgb(xyz) {\n        var x = xyz[0] / 100,\n            y = xyz[1] / 100,\n            z = xyz[2] / 100,\n            r, g, b;\n\n        r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);\n        g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);\n        b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);\n\n        // assume sRGB\n        r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)\n            : r = (r * 12.92);\n\n        g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)\n            : g = (g * 12.92);\n\n        b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)\n            : b = (b * 12.92);\n\n        r = Math.min(Math.max(0, r), 1);\n        g = Math.min(Math.max(0, g), 1);\n        b = Math.min(Math.max(0, b), 1);\n\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function xyz2lab(xyz) {\n        var x = xyz[0],\n            y = xyz[1],\n            z = xyz[2],\n            l, a, b;\n\n        x /= 95.047;\n        y /= 100;\n        z /= 108.883;\n\n        x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n        y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n        z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n        l = (116 * y) - 16;\n        a = 500 * (x - y);\n        b = 200 * (y - z);\n\n        return [l, a, b];\n    }\n\n    function xyz2lch(args) {\n        return lab2lch(xyz2lab(args));\n    }\n\n    function lab2xyz(lab) {\n        var l = lab[0],\n            a = lab[1],\n            b = lab[2],\n            x, y, z, y2;\n\n        if (l <= 8) {\n            y = (l * 100) / 903.3;\n            y2 = (7.787 * (y / 100)) + (16 / 116);\n        } else {\n            y = 100 * Math.pow((l + 16) / 116, 3);\n            y2 = Math.pow(y / 100, 1/3);\n        }\n\n        x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3);\n\n        z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3);\n\n        return [x, y, z];\n    }\n\n    function lab2lch(lab) {\n        var l = lab[0],\n            a = lab[1],\n            b = lab[2],\n            hr, h, c;\n\n        hr = Math.atan2(b, a);\n        h = hr * 360 / 2 / Math.PI;\n        if (h < 0) {\n            h += 360;\n        }\n        c = Math.sqrt(a * a + b * b);\n        return [l, c, h];\n    }\n\n    function lab2rgb(args) {\n        return xyz2rgb(lab2xyz(args));\n    }\n\n    function lch2lab(lch) {\n        var l = lch[0],\n            c = lch[1],\n            h = lch[2],\n            a, b, hr;\n\n        hr = h / 360 * 2 * Math.PI;\n        a = c * Math.cos(hr);\n        b = c * Math.sin(hr);\n        return [l, a, b];\n    }\n\n    function lch2xyz(args) {\n        return lab2xyz(lch2lab(args));\n    }\n\n    function lch2rgb(args) {\n        return lab2rgb(lch2lab(args));\n    }\n\n    function keyword2rgb(keyword) {\n        return cssKeywords[keyword];\n    }\n\n    function keyword2hsl(args) {\n        return rgb2hsl(keyword2rgb(args));\n    }\n\n    function keyword2hsv(args) {\n        return rgb2hsv(keyword2rgb(args));\n    }\n\n    function keyword2hwb(args) {\n        return rgb2hwb(keyword2rgb(args));\n    }\n\n    function keyword2cmyk(args) {\n        return rgb2cmyk(keyword2rgb(args));\n    }\n\n    function keyword2lab(args) {\n        return rgb2lab(keyword2rgb(args));\n    }\n\n    function keyword2xyz(args) {\n        return rgb2xyz(keyword2rgb(args));\n    }\n\n    var cssKeywords = {\n        aliceblue:  [240,248,255],\n        antiquewhite: [250,235,215],\n        aqua: [0,255,255],\n        aquamarine: [127,255,212],\n        azure:  [240,255,255],\n        beige:  [245,245,220],\n        bisque: [255,228,196],\n        black:  [0,0,0],\n        blanchedalmond: [255,235,205],\n        blue: [0,0,255],\n        blueviolet: [138,43,226],\n        brown:  [165,42,42],\n        burlywood:  [222,184,135],\n        cadetblue:  [95,158,160],\n        chartreuse: [127,255,0],\n        chocolate:  [210,105,30],\n        coral:  [255,127,80],\n        cornflowerblue: [100,149,237],\n        cornsilk: [255,248,220],\n        crimson:  [220,20,60],\n        cyan: [0,255,255],\n        darkblue: [0,0,139],\n        darkcyan: [0,139,139],\n        darkgoldenrod:  [184,134,11],\n        darkgray: [169,169,169],\n        darkgreen:  [0,100,0],\n        darkgrey: [169,169,169],\n        darkkhaki:  [189,183,107],\n        darkmagenta:  [139,0,139],\n        darkolivegreen: [85,107,47],\n        darkorange: [255,140,0],\n        darkorchid: [153,50,204],\n        darkred:  [139,0,0],\n        darksalmon: [233,150,122],\n        darkseagreen: [143,188,143],\n        darkslateblue:  [72,61,139],\n        darkslategray:  [47,79,79],\n        darkslategrey:  [47,79,79],\n        darkturquoise:  [0,206,209],\n        darkviolet: [148,0,211],\n        deeppink: [255,20,147],\n        deepskyblue:  [0,191,255],\n        dimgray:  [105,105,105],\n        dimgrey:  [105,105,105],\n        dodgerblue: [30,144,255],\n        firebrick:  [178,34,34],\n        floralwhite:  [255,250,240],\n        forestgreen:  [34,139,34],\n        fuchsia:  [255,0,255],\n        gainsboro:  [220,220,220],\n        ghostwhite: [248,248,255],\n        gold: [255,215,0],\n        goldenrod:  [218,165,32],\n        gray: [128,128,128],\n        green:  [0,128,0],\n        greenyellow:  [173,255,47],\n        grey: [128,128,128],\n        honeydew: [240,255,240],\n        hotpink:  [255,105,180],\n        indianred:  [205,92,92],\n        indigo: [75,0,130],\n        ivory:  [255,255,240],\n        khaki:  [240,230,140],\n        lavender: [230,230,250],\n        lavenderblush:  [255,240,245],\n        lawngreen:  [124,252,0],\n        lemonchiffon: [255,250,205],\n        lightblue:  [173,216,230],\n        lightcoral: [240,128,128],\n        lightcyan:  [224,255,255],\n        lightgoldenrodyellow: [250,250,210],\n        lightgray:  [211,211,211],\n        lightgreen: [144,238,144],\n        lightgrey:  [211,211,211],\n        lightpink:  [255,182,193],\n        lightsalmon:  [255,160,122],\n        lightseagreen:  [32,178,170],\n        lightskyblue: [135,206,250],\n        lightslategray: [119,136,153],\n        lightslategrey: [119,136,153],\n        lightsteelblue: [176,196,222],\n        lightyellow:  [255,255,224],\n        lime: [0,255,0],\n        limegreen:  [50,205,50],\n        linen:  [250,240,230],\n        magenta:  [255,0,255],\n        maroon: [128,0,0],\n        mediumaquamarine: [102,205,170],\n        mediumblue: [0,0,205],\n        mediumorchid: [186,85,211],\n        mediumpurple: [147,112,219],\n        mediumseagreen: [60,179,113],\n        mediumslateblue:  [123,104,238],\n        mediumspringgreen:  [0,250,154],\n        mediumturquoise:  [72,209,204],\n        mediumvioletred:  [199,21,133],\n        midnightblue: [25,25,112],\n        mintcream:  [245,255,250],\n        mistyrose:  [255,228,225],\n        moccasin: [255,228,181],\n        navajowhite:  [255,222,173],\n        navy: [0,0,128],\n        oldlace:  [253,245,230],\n        olive:  [128,128,0],\n        olivedrab:  [107,142,35],\n        orange: [255,165,0],\n        orangered:  [255,69,0],\n        orchid: [218,112,214],\n        palegoldenrod:  [238,232,170],\n        palegreen:  [152,251,152],\n        paleturquoise:  [175,238,238],\n        palevioletred:  [219,112,147],\n        papayawhip: [255,239,213],\n        peachpuff:  [255,218,185],\n        peru: [205,133,63],\n        pink: [255,192,203],\n        plum: [221,160,221],\n        powderblue: [176,224,230],\n        purple: [128,0,128],\n        rebeccapurple: [102, 51, 153],\n        red:  [255,0,0],\n        rosybrown:  [188,143,143],\n        royalblue:  [65,105,225],\n        saddlebrown:  [139,69,19],\n        salmon: [250,128,114],\n        sandybrown: [244,164,96],\n        seagreen: [46,139,87],\n        seashell: [255,245,238],\n        sienna: [160,82,45],\n        silver: [192,192,192],\n        skyblue:  [135,206,235],\n        slateblue:  [106,90,205],\n        slategray:  [112,128,144],\n        slategrey:  [112,128,144],\n        snow: [255,250,250],\n        springgreen:  [0,255,127],\n        steelblue:  [70,130,180],\n        tan:  [210,180,140],\n        teal: [0,128,128],\n        thistle:  [216,191,216],\n        tomato: [255,99,71],\n        turquoise:  [64,224,208],\n        violet: [238,130,238],\n        wheat:  [245,222,179],\n        white:  [255,255,255],\n        whitesmoke: [245,245,245],\n        yellow: [255,255,0],\n        yellowgreen:  [154,205,50]\n    };\n\n    var reverseKeywords = {};\n    for (var key in cssKeywords) {\n        reverseKeywords[JSON.stringify(cssKeywords[key])] = key;\n    }\n\n},{}],4:[function(require,module,exports){\n    var conversions = require(3);\n\n    var convert = function() {\n        return new Converter();\n    }\n\n    for (var func in conversions) {\n        // export Raw versions\n        convert[func + \"Raw\"] =  (function(func) {\n            // accept array or plain args\n            return function(arg) {\n                if (typeof arg == \"number\")\n                    arg = Array.prototype.slice.call(arguments);\n                return conversions[func](arg);\n            }\n        })(func);\n\n        var pair = /(\\w+)2(\\w+)/.exec(func),\n            from = pair[1],\n            to = pair[2];\n\n        // export rgb2hsl and [\"rgb\"][\"hsl\"]\n        convert[from] = convert[from] || {};\n\n        convert[from][to] = convert[func] = (function(func) {\n            return function(arg) {\n                if (typeof arg == \"number\")\n                    arg = Array.prototype.slice.call(arguments);\n\n                var val = conversions[func](arg);\n                if (typeof val == \"string\" || val === undefined)\n                    return val; // keyword\n\n                for (var i = 0; i < val.length; i++)\n                    val[i] = Math.round(val[i]);\n                return val;\n            }\n        })(func);\n    }\n\n\n\t/* Converter does lazy conversion and caching */\n    var Converter = function() {\n        this.convs = {};\n    };\n\n\t/* Either get the values for a space or\n\t set the values for a space, depending on args */\n    Converter.prototype.routeSpace = function(space, args) {\n        var values = args[0];\n        if (values === undefined) {\n            // color.rgb()\n            return this.getValues(space);\n        }\n        // color.rgb(10, 10, 10)\n        if (typeof values == \"number\") {\n            values = Array.prototype.slice.call(args);\n        }\n\n        return this.setValues(space, values);\n    };\n\n\t/* Set the values for a space, invalidating cache */\n    Converter.prototype.setValues = function(space, values) {\n        this.space = space;\n        this.convs = {};\n        this.convs[space] = values;\n        return this;\n    };\n\n\t/* Get the values for a space. If there's already\n\t a conversion for the space, fetch it, otherwise\n\t compute it */\n    Converter.prototype.getValues = function(space) {\n        var vals = this.convs[space];\n        if (!vals) {\n            var fspace = this.space,\n                from = this.convs[fspace];\n            vals = convert[fspace][space](from);\n\n            this.convs[space] = vals;\n        }\n        return vals;\n    };\n\n    [\"rgb\", \"hsl\", \"hsv\", \"cmyk\", \"keyword\"].forEach(function(space) {\n        Converter.prototype[space] = function(vals) {\n            return this.routeSpace(space, arguments);\n        }\n    });\n\n    module.exports = convert;\n},{\"3\":3}],5:[function(require,module,exports){\n    'use strict'\n\n    module.exports = {\n        \"aliceblue\": [240, 248, 255],\n        \"antiquewhite\": [250, 235, 215],\n        \"aqua\": [0, 255, 255],\n        \"aquamarine\": [127, 255, 212],\n        \"azure\": [240, 255, 255],\n        \"beige\": [245, 245, 220],\n        \"bisque\": [255, 228, 196],\n        \"black\": [0, 0, 0],\n        \"blanchedalmond\": [255, 235, 205],\n        \"blue\": [0, 0, 255],\n        \"blueviolet\": [138, 43, 226],\n        \"brown\": [165, 42, 42],\n        \"burlywood\": [222, 184, 135],\n        \"cadetblue\": [95, 158, 160],\n        \"chartreuse\": [127, 255, 0],\n        \"chocolate\": [210, 105, 30],\n        \"coral\": [255, 127, 80],\n        \"cornflowerblue\": [100, 149, 237],\n        \"cornsilk\": [255, 248, 220],\n        \"crimson\": [220, 20, 60],\n        \"cyan\": [0, 255, 255],\n        \"darkblue\": [0, 0, 139],\n        \"darkcyan\": [0, 139, 139],\n        \"darkgoldenrod\": [184, 134, 11],\n        \"darkgray\": [169, 169, 169],\n        \"darkgreen\": [0, 100, 0],\n        \"darkgrey\": [169, 169, 169],\n        \"darkkhaki\": [189, 183, 107],\n        \"darkmagenta\": [139, 0, 139],\n        \"darkolivegreen\": [85, 107, 47],\n        \"darkorange\": [255, 140, 0],\n        \"darkorchid\": [153, 50, 204],\n        \"darkred\": [139, 0, 0],\n        \"darksalmon\": [233, 150, 122],\n        \"darkseagreen\": [143, 188, 143],\n        \"darkslateblue\": [72, 61, 139],\n        \"darkslategray\": [47, 79, 79],\n        \"darkslategrey\": [47, 79, 79],\n        \"darkturquoise\": [0, 206, 209],\n        \"darkviolet\": [148, 0, 211],\n        \"deeppink\": [255, 20, 147],\n        \"deepskyblue\": [0, 191, 255],\n        \"dimgray\": [105, 105, 105],\n        \"dimgrey\": [105, 105, 105],\n        \"dodgerblue\": [30, 144, 255],\n        \"firebrick\": [178, 34, 34],\n        \"floralwhite\": [255, 250, 240],\n        \"forestgreen\": [34, 139, 34],\n        \"fuchsia\": [255, 0, 255],\n        \"gainsboro\": [220, 220, 220],\n        \"ghostwhite\": [248, 248, 255],\n        \"gold\": [255, 215, 0],\n        \"goldenrod\": [218, 165, 32],\n        \"gray\": [128, 128, 128],\n        \"green\": [0, 128, 0],\n        \"greenyellow\": [173, 255, 47],\n        \"grey\": [128, 128, 128],\n        \"honeydew\": [240, 255, 240],\n        \"hotpink\": [255, 105, 180],\n        \"indianred\": [205, 92, 92],\n        \"indigo\": [75, 0, 130],\n        \"ivory\": [255, 255, 240],\n        \"khaki\": [240, 230, 140],\n        \"lavender\": [230, 230, 250],\n        \"lavenderblush\": [255, 240, 245],\n        \"lawngreen\": [124, 252, 0],\n        \"lemonchiffon\": [255, 250, 205],\n        \"lightblue\": [173, 216, 230],\n        \"lightcoral\": [240, 128, 128],\n        \"lightcyan\": [224, 255, 255],\n        \"lightgoldenrodyellow\": [250, 250, 210],\n        \"lightgray\": [211, 211, 211],\n        \"lightgreen\": [144, 238, 144],\n        \"lightgrey\": [211, 211, 211],\n        \"lightpink\": [255, 182, 193],\n        \"lightsalmon\": [255, 160, 122],\n        \"lightseagreen\": [32, 178, 170],\n        \"lightskyblue\": [135, 206, 250],\n        \"lightslategray\": [119, 136, 153],\n        \"lightslategrey\": [119, 136, 153],\n        \"lightsteelblue\": [176, 196, 222],\n        \"lightyellow\": [255, 255, 224],\n        \"lime\": [0, 255, 0],\n        \"limegreen\": [50, 205, 50],\n        \"linen\": [250, 240, 230],\n        \"magenta\": [255, 0, 255],\n        \"maroon\": [128, 0, 0],\n        \"mediumaquamarine\": [102, 205, 170],\n        \"mediumblue\": [0, 0, 205],\n        \"mediumorchid\": [186, 85, 211],\n        \"mediumpurple\": [147, 112, 219],\n        \"mediumseagreen\": [60, 179, 113],\n        \"mediumslateblue\": [123, 104, 238],\n        \"mediumspringgreen\": [0, 250, 154],\n        \"mediumturquoise\": [72, 209, 204],\n        \"mediumvioletred\": [199, 21, 133],\n        \"midnightblue\": [25, 25, 112],\n        \"mintcream\": [245, 255, 250],\n        \"mistyrose\": [255, 228, 225],\n        \"moccasin\": [255, 228, 181],\n        \"navajowhite\": [255, 222, 173],\n        \"navy\": [0, 0, 128],\n        \"oldlace\": [253, 245, 230],\n        \"olive\": [128, 128, 0],\n        \"olivedrab\": [107, 142, 35],\n        \"orange\": [255, 165, 0],\n        \"orangered\": [255, 69, 0],\n        \"orchid\": [218, 112, 214],\n        \"palegoldenrod\": [238, 232, 170],\n        \"palegreen\": [152, 251, 152],\n        \"paleturquoise\": [175, 238, 238],\n        \"palevioletred\": [219, 112, 147],\n        \"papayawhip\": [255, 239, 213],\n        \"peachpuff\": [255, 218, 185],\n        \"peru\": [205, 133, 63],\n        \"pink\": [255, 192, 203],\n        \"plum\": [221, 160, 221],\n        \"powderblue\": [176, 224, 230],\n        \"purple\": [128, 0, 128],\n        \"rebeccapurple\": [102, 51, 153],\n        \"red\": [255, 0, 0],\n        \"rosybrown\": [188, 143, 143],\n        \"royalblue\": [65, 105, 225],\n        \"saddlebrown\": [139, 69, 19],\n        \"salmon\": [250, 128, 114],\n        \"sandybrown\": [244, 164, 96],\n        \"seagreen\": [46, 139, 87],\n        \"seashell\": [255, 245, 238],\n        \"sienna\": [160, 82, 45],\n        \"silver\": [192, 192, 192],\n        \"skyblue\": [135, 206, 235],\n        \"slateblue\": [106, 90, 205],\n        \"slategray\": [112, 128, 144],\n        \"slategrey\": [112, 128, 144],\n        \"snow\": [255, 250, 250],\n        \"springgreen\": [0, 255, 127],\n        \"steelblue\": [70, 130, 180],\n        \"tan\": [210, 180, 140],\n        \"teal\": [0, 128, 128],\n        \"thistle\": [216, 191, 216],\n        \"tomato\": [255, 99, 71],\n        \"turquoise\": [64, 224, 208],\n        \"violet\": [238, 130, 238],\n        \"wheat\": [245, 222, 179],\n        \"white\": [255, 255, 255],\n        \"whitesmoke\": [245, 245, 245],\n        \"yellow\": [255, 255, 0],\n        \"yellowgreen\": [154, 205, 50]\n    };\n\n},{}],6:[function(require,module,exports){\n//! moment.js\n//! version : 2.18.1\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n\n    ;(function (global, factory) {\n        typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n            typeof define === 'function' && define.amd ? define(factory) :\n                global.moment = factory()\n    }(this, (function () { 'use strict';\n\n        var hookCallback;\n\n        function hooks () {\n            return hookCallback.apply(null, arguments);\n        }\n\n// This is done to register the method called with moment()\n// without creating circular dependencies.\n        function setHookCallback (callback) {\n            hookCallback = callback;\n        }\n\n        function isArray(input) {\n            return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';\n        }\n\n        function isObject(input) {\n            // IE8 will treat undefined and null as object if it wasn't for\n            // input != null\n            return input != null && Object.prototype.toString.call(input) === '[object Object]';\n        }\n\n        function isObjectEmpty(obj) {\n            var k;\n            for (k in obj) {\n                // even if its not own property I'd still call it non-empty\n                return false;\n            }\n            return true;\n        }\n\n        function isUndefined(input) {\n            return input === void 0;\n        }\n\n        function isNumber(input) {\n            return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';\n        }\n\n        function isDate(input) {\n            return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';\n        }\n\n        function map(arr, fn) {\n            var res = [], i;\n            for (i = 0; i < arr.length; ++i) {\n                res.push(fn(arr[i], i));\n            }\n            return res;\n        }\n\n        function hasOwnProp(a, b) {\n            return Object.prototype.hasOwnProperty.call(a, b);\n        }\n\n        function extend(a, b) {\n            for (var i in b) {\n                if (hasOwnProp(b, i)) {\n                    a[i] = b[i];\n                }\n            }\n\n            if (hasOwnProp(b, 'toString')) {\n                a.toString = b.toString;\n            }\n\n            if (hasOwnProp(b, 'valueOf')) {\n                a.valueOf = b.valueOf;\n            }\n\n            return a;\n        }\n\n        function createUTC (input, format, locale, strict) {\n            return createLocalOrUTC(input, format, locale, strict, true).utc();\n        }\n\n        function defaultParsingFlags() {\n            // We need to deep clone this object.\n            return {\n                empty           : false,\n                unusedTokens    : [],\n                unusedInput     : [],\n                overflow        : -2,\n                charsLeftOver   : 0,\n                nullInput       : false,\n                invalidMonth    : null,\n                invalidFormat   : false,\n                userInvalidated : false,\n                iso             : false,\n                parsedDateParts : [],\n                meridiem        : null,\n                rfc2822         : false,\n                weekdayMismatch : false\n            };\n        }\n\n        function getParsingFlags(m) {\n            if (m._pf == null) {\n                m._pf = defaultParsingFlags();\n            }\n            return m._pf;\n        }\n\n        var some;\n        if (Array.prototype.some) {\n            some = Array.prototype.some;\n        } else {\n            some = function (fun) {\n                var t = Object(this);\n                var len = t.length >>> 0;\n\n                for (var i = 0; i < len; i++) {\n                    if (i in t && fun.call(this, t[i], i, t)) {\n                        return true;\n                    }\n                }\n\n                return false;\n            };\n        }\n\n        var some$1 = some;\n\n        function isValid(m) {\n            if (m._isValid == null) {\n                var flags = getParsingFlags(m);\n                var parsedParts = some$1.call(flags.parsedDateParts, function (i) {\n                    return i != null;\n                });\n                var isNowValid = !isNaN(m._d.getTime()) &&\n                    flags.overflow < 0 &&\n                    !flags.empty &&\n                    !flags.invalidMonth &&\n                    !flags.invalidWeekday &&\n                    !flags.nullInput &&\n                    !flags.invalidFormat &&\n                    !flags.userInvalidated &&\n                    (!flags.meridiem || (flags.meridiem && parsedParts));\n\n                if (m._strict) {\n                    isNowValid = isNowValid &&\n                        flags.charsLeftOver === 0 &&\n                        flags.unusedTokens.length === 0 &&\n                        flags.bigHour === undefined;\n                }\n\n                if (Object.isFrozen == null || !Object.isFrozen(m)) {\n                    m._isValid = isNowValid;\n                }\n                else {\n                    return isNowValid;\n                }\n            }\n            return m._isValid;\n        }\n\n        function createInvalid (flags) {\n            var m = createUTC(NaN);\n            if (flags != null) {\n                extend(getParsingFlags(m), flags);\n            }\n            else {\n                getParsingFlags(m).userInvalidated = true;\n            }\n\n            return m;\n        }\n\n// Plugins that add properties should also add the key here (null value),\n// so we can properly clone ourselves.\n        var momentProperties = hooks.momentProperties = [];\n\n        function copyConfig(to, from) {\n            var i, prop, val;\n\n            if (!isUndefined(from._isAMomentObject)) {\n                to._isAMomentObject = from._isAMomentObject;\n            }\n            if (!isUndefined(from._i)) {\n                to._i = from._i;\n            }\n            if (!isUndefined(from._f)) {\n                to._f = from._f;\n            }\n            if (!isUndefined(from._l)) {\n                to._l = from._l;\n            }\n            if (!isUndefined(from._strict)) {\n                to._strict = from._strict;\n            }\n            if (!isUndefined(from._tzm)) {\n                to._tzm = from._tzm;\n            }\n            if (!isUndefined(from._isUTC)) {\n                to._isUTC = from._isUTC;\n            }\n            if (!isUndefined(from._offset)) {\n                to._offset = from._offset;\n            }\n            if (!isUndefined(from._pf)) {\n                to._pf = getParsingFlags(from);\n            }\n            if (!isUndefined(from._locale)) {\n                to._locale = from._locale;\n            }\n\n            if (momentProperties.length > 0) {\n                for (i = 0; i < momentProperties.length; i++) {\n                    prop = momentProperties[i];\n                    val = from[prop];\n                    if (!isUndefined(val)) {\n                        to[prop] = val;\n                    }\n                }\n            }\n\n            return to;\n        }\n\n        var updateInProgress = false;\n\n// Moment prototype object\n        function Moment(config) {\n            copyConfig(this, config);\n            this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n            if (!this.isValid()) {\n                this._d = new Date(NaN);\n            }\n            // Prevent infinite loop in case updateOffset creates new moment\n            // objects.\n            if (updateInProgress === false) {\n                updateInProgress = true;\n                hooks.updateOffset(this);\n                updateInProgress = false;\n            }\n        }\n\n        function isMoment (obj) {\n            return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);\n        }\n\n        function absFloor (number) {\n            if (number < 0) {\n                // -0 -> 0\n                return Math.ceil(number) || 0;\n            } else {\n                return Math.floor(number);\n            }\n        }\n\n        function toInt(argumentForCoercion) {\n            var coercedNumber = +argumentForCoercion,\n                value = 0;\n\n            if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n                value = absFloor(coercedNumber);\n            }\n\n            return value;\n        }\n\n// compare two arrays, return the number of differences\n        function compareArrays(array1, array2, dontConvert) {\n            var len = Math.min(array1.length, array2.length),\n                lengthDiff = Math.abs(array1.length - array2.length),\n                diffs = 0,\n                i;\n            for (i = 0; i < len; i++) {\n                if ((dontConvert && array1[i] !== array2[i]) ||\n                    (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {\n                    diffs++;\n                }\n            }\n            return diffs + lengthDiff;\n        }\n\n        function warn(msg) {\n            if (hooks.suppressDeprecationWarnings === false &&\n                (typeof console !==  'undefined') && console.warn) {\n                console.warn('Deprecation warning: ' + msg);\n            }\n        }\n\n        function deprecate(msg, fn) {\n            var firstTime = true;\n\n            return extend(function () {\n                if (hooks.deprecationHandler != null) {\n                    hooks.deprecationHandler(null, msg);\n                }\n                if (firstTime) {\n                    var args = [];\n                    var arg;\n                    for (var i = 0; i < arguments.length; i++) {\n                        arg = '';\n                        if (typeof arguments[i] === 'object') {\n                            arg += '\\n[' + i + '] ';\n                            for (var key in arguments[0]) {\n                                arg += key + ': ' + arguments[0][key] + ', ';\n                            }\n                            arg = arg.slice(0, -2); // Remove trailing comma and space\n                        } else {\n                            arg = arguments[i];\n                        }\n                        args.push(arg);\n                    }\n                    warn(msg + '\\nArguments: ' + Array.prototype.slice.call(args).join('') + '\\n' + (new Error()).stack);\n                    firstTime = false;\n                }\n                return fn.apply(this, arguments);\n            }, fn);\n        }\n\n        var deprecations = {};\n\n        function deprecateSimple(name, msg) {\n            if (hooks.deprecationHandler != null) {\n                hooks.deprecationHandler(name, msg);\n            }\n            if (!deprecations[name]) {\n                warn(msg);\n                deprecations[name] = true;\n            }\n        }\n\n        hooks.suppressDeprecationWarnings = false;\n        hooks.deprecationHandler = null;\n\n        function isFunction(input) {\n            return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';\n        }\n\n        function set (config) {\n            var prop, i;\n            for (i in config) {\n                prop = config[i];\n                if (isFunction(prop)) {\n                    this[i] = prop;\n                } else {\n                    this['_' + i] = prop;\n                }\n            }\n            this._config = config;\n            // Lenient ordinal parsing accepts just a number in addition to\n            // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.\n            // TODO: Remove \"ordinalParse\" fallback in next major release.\n            this._dayOfMonthOrdinalParseLenient = new RegExp(\n                (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +\n                '|' + (/\\d{1,2}/).source);\n        }\n\n        function mergeConfigs(parentConfig, childConfig) {\n            var res = extend({}, parentConfig), prop;\n            for (prop in childConfig) {\n                if (hasOwnProp(childConfig, prop)) {\n                    if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {\n                        res[prop] = {};\n                        extend(res[prop], parentConfig[prop]);\n                        extend(res[prop], childConfig[prop]);\n                    } else if (childConfig[prop] != null) {\n                        res[prop] = childConfig[prop];\n                    } else {\n                        delete res[prop];\n                    }\n                }\n            }\n            for (prop in parentConfig) {\n                if (hasOwnProp(parentConfig, prop) &&\n                    !hasOwnProp(childConfig, prop) &&\n                    isObject(parentConfig[prop])) {\n                    // make sure changes to properties don't modify parent config\n                    res[prop] = extend({}, res[prop]);\n                }\n            }\n            return res;\n        }\n\n        function Locale(config) {\n            if (config != null) {\n                this.set(config);\n            }\n        }\n\n        var keys;\n\n        if (Object.keys) {\n            keys = Object.keys;\n        } else {\n            keys = function (obj) {\n                var i, res = [];\n                for (i in obj) {\n                    if (hasOwnProp(obj, i)) {\n                        res.push(i);\n                    }\n                }\n                return res;\n            };\n        }\n\n        var keys$1 = keys;\n\n        var defaultCalendar = {\n            sameDay : '[Today at] LT',\n            nextDay : '[Tomorrow at] LT',\n            nextWeek : 'dddd [at] LT',\n            lastDay : '[Yesterday at] LT',\n            lastWeek : '[Last] dddd [at] LT',\n            sameElse : 'L'\n        };\n\n        function calendar (key, mom, now) {\n            var output = this._calendar[key] || this._calendar['sameElse'];\n            return isFunction(output) ? output.call(mom, now) : output;\n        }\n\n        var defaultLongDateFormat = {\n            LTS  : 'h:mm:ss A',\n            LT   : 'h:mm A',\n            L    : 'MM/DD/YYYY',\n            LL   : 'MMMM D, YYYY',\n            LLL  : 'MMMM D, YYYY h:mm A',\n            LLLL : 'dddd, MMMM D, YYYY h:mm A'\n        };\n\n        function longDateFormat (key) {\n            var format = this._longDateFormat[key],\n                formatUpper = this._longDateFormat[key.toUpperCase()];\n\n            if (format || !formatUpper) {\n                return format;\n            }\n\n            this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {\n                return val.slice(1);\n            });\n\n            return this._longDateFormat[key];\n        }\n\n        var defaultInvalidDate = 'Invalid date';\n\n        function invalidDate () {\n            return this._invalidDate;\n        }\n\n        var defaultOrdinal = '%d';\n        var defaultDayOfMonthOrdinalParse = /\\d{1,2}/;\n\n        function ordinal (number) {\n            return this._ordinal.replace('%d', number);\n        }\n\n        var defaultRelativeTime = {\n            future : 'in %s',\n            past   : '%s ago',\n            s  : 'a few seconds',\n            ss : '%d seconds',\n            m  : 'a minute',\n            mm : '%d minutes',\n            h  : 'an hour',\n            hh : '%d hours',\n            d  : 'a day',\n            dd : '%d days',\n            M  : 'a month',\n            MM : '%d months',\n            y  : 'a year',\n            yy : '%d years'\n        };\n\n        function relativeTime (number, withoutSuffix, string, isFuture) {\n            var output = this._relativeTime[string];\n            return (isFunction(output)) ?\n                output(number, withoutSuffix, string, isFuture) :\n                output.replace(/%d/i, number);\n        }\n\n        function pastFuture (diff, output) {\n            var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n            return isFunction(format) ? format(output) : format.replace(/%s/i, output);\n        }\n\n        var aliases = {};\n\n        function addUnitAlias (unit, shorthand) {\n            var lowerCase = unit.toLowerCase();\n            aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n        }\n\n        function normalizeUnits(units) {\n            return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;\n        }\n\n        function normalizeObjectUnits(inputObject) {\n            var normalizedInput = {},\n                normalizedProp,\n                prop;\n\n            for (prop in inputObject) {\n                if (hasOwnProp(inputObject, prop)) {\n                    normalizedProp = normalizeUnits(prop);\n                    if (normalizedProp) {\n                        normalizedInput[normalizedProp] = inputObject[prop];\n                    }\n                }\n            }\n\n            return normalizedInput;\n        }\n\n        var priorities = {};\n\n        function addUnitPriority(unit, priority) {\n            priorities[unit] = priority;\n        }\n\n        function getPrioritizedUnits(unitsObj) {\n            var units = [];\n            for (var u in unitsObj) {\n                units.push({unit: u, priority: priorities[u]});\n            }\n            units.sort(function (a, b) {\n                return a.priority - b.priority;\n            });\n            return units;\n        }\n\n        function makeGetSet (unit, keepTime) {\n            return function (value) {\n                if (value != null) {\n                    set$1(this, unit, value);\n                    hooks.updateOffset(this, keepTime);\n                    return this;\n                } else {\n                    return get(this, unit);\n                }\n            };\n        }\n\n        function get (mom, unit) {\n            return mom.isValid() ?\n                mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;\n        }\n\n        function set$1 (mom, unit, value) {\n            if (mom.isValid()) {\n                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n            }\n        }\n\n// MOMENTS\n\n        function stringGet (units) {\n            units = normalizeUnits(units);\n            if (isFunction(this[units])) {\n                return this[units]();\n            }\n            return this;\n        }\n\n\n        function stringSet (units, value) {\n            if (typeof units === 'object') {\n                units = normalizeObjectUnits(units);\n                var prioritized = getPrioritizedUnits(units);\n                for (var i = 0; i < prioritized.length; i++) {\n                    this[prioritized[i].unit](units[prioritized[i].unit]);\n                }\n            } else {\n                units = normalizeUnits(units);\n                if (isFunction(this[units])) {\n                    return this[units](value);\n                }\n            }\n            return this;\n        }\n\n        function zeroFill(number, targetLength, forceSign) {\n            var absNumber = '' + Math.abs(number),\n                zerosToFill = targetLength - absNumber.length,\n                sign = number >= 0;\n            return (sign ? (forceSign ? '+' : '') : '-') +\n                Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;\n        }\n\n        var formattingTokens = /(\\[[^\\[]*\\])|(\\\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;\n\n        var localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g;\n\n        var formatFunctions = {};\n\n        var formatTokenFunctions = {};\n\n// token:    'M'\n// padded:   ['MM', 2]\n// ordinal:  'Mo'\n// callback: function () { this.month() + 1 }\n        function addFormatToken (token, padded, ordinal, callback) {\n            var func = callback;\n            if (typeof callback === 'string') {\n                func = function () {\n                    return this[callback]();\n                };\n            }\n            if (token) {\n                formatTokenFunctions[token] = func;\n            }\n            if (padded) {\n                formatTokenFunctions[padded[0]] = function () {\n                    return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n                };\n            }\n            if (ordinal) {\n                formatTokenFunctions[ordinal] = function () {\n                    return this.localeData().ordinal(func.apply(this, arguments), token);\n                };\n            }\n        }\n\n        function removeFormattingTokens(input) {\n            if (input.match(/\\[[\\s\\S]/)) {\n                return input.replace(/^\\[|\\]$/g, '');\n            }\n            return input.replace(/\\\\/g, '');\n        }\n\n        function makeFormatFunction(format) {\n            var array = format.match(formattingTokens), i, length;\n\n            for (i = 0, length = array.length; i < length; i++) {\n                if (formatTokenFunctions[array[i]]) {\n                    array[i] = formatTokenFunctions[array[i]];\n                } else {\n                    array[i] = removeFormattingTokens(array[i]);\n                }\n            }\n\n            return function (mom) {\n                var output = '', i;\n                for (i = 0; i < length; i++) {\n                    output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];\n                }\n                return output;\n            };\n        }\n\n// format date using native date object\n        function formatMoment(m, format) {\n            if (!m.isValid()) {\n                return m.localeData().invalidDate();\n            }\n\n            format = expandFormat(format, m.localeData());\n            formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);\n\n            return formatFunctions[format](m);\n        }\n\n        function expandFormat(format, locale) {\n            var i = 5;\n\n            function replaceLongDateFormatTokens(input) {\n                return locale.longDateFormat(input) || input;\n            }\n\n            localFormattingTokens.lastIndex = 0;\n            while (i >= 0 && localFormattingTokens.test(format)) {\n                format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);\n                localFormattingTokens.lastIndex = 0;\n                i -= 1;\n            }\n\n            return format;\n        }\n\n        var match1         = /\\d/;            //       0 - 9\n        var match2         = /\\d\\d/;          //      00 - 99\n        var match3         = /\\d{3}/;         //     000 - 999\n        var match4         = /\\d{4}/;         //    0000 - 9999\n        var match6         = /[+-]?\\d{6}/;    // -999999 - 999999\n        var match1to2      = /\\d\\d?/;         //       0 - 99\n        var match3to4      = /\\d\\d\\d\\d?/;     //     999 - 9999\n        var match5to6      = /\\d\\d\\d\\d\\d\\d?/; //   99999 - 999999\n        var match1to3      = /\\d{1,3}/;       //       0 - 999\n        var match1to4      = /\\d{1,4}/;       //       0 - 9999\n        var match1to6      = /[+-]?\\d{1,6}/;  // -999999 - 999999\n\n        var matchUnsigned  = /\\d+/;           //       0 - inf\n        var matchSigned    = /[+-]?\\d+/;      //    -inf - inf\n\n        var matchOffset    = /Z|[+-]\\d\\d:?\\d\\d/gi; // +00:00 -00:00 +0000 -0000 or Z\n        var matchShortOffset = /Z|[+-]\\d\\d(?::?\\d\\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z\n\n        var matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/; // 123456789 123456789.123\n\n// any word (or two) characters or numbers including two/three word month in arabic.\n// includes scottish gaelic two word and hyphenated months\n        var matchWord = /[0-9]*['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]+|[\\u0600-\\u06FF\\/]+(\\s*?[\\u0600-\\u06FF]+){1,2}/i;\n\n\n        var regexes = {};\n\n        function addRegexToken (token, regex, strictRegex) {\n            regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {\n                return (isStrict && strictRegex) ? strictRegex : regex;\n            };\n        }\n\n        function getParseRegexForToken (token, config) {\n            if (!hasOwnProp(regexes, token)) {\n                return new RegExp(unescapeFormat(token));\n            }\n\n            return regexes[token](config._strict, config._locale);\n        }\n\n// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\n        function unescapeFormat(s) {\n            return regexEscape(s.replace('\\\\', '').replace(/\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g, function (matched, p1, p2, p3, p4) {\n                return p1 || p2 || p3 || p4;\n            }));\n        }\n\n        function regexEscape(s) {\n            return s.replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n        }\n\n        var tokens = {};\n\n        function addParseToken (token, callback) {\n            var i, func = callback;\n            if (typeof token === 'string') {\n                token = [token];\n            }\n            if (isNumber(callback)) {\n                func = function (input, array) {\n                    array[callback] = toInt(input);\n                };\n            }\n            for (i = 0; i < token.length; i++) {\n                tokens[token[i]] = func;\n            }\n        }\n\n        function addWeekParseToken (token, callback) {\n            addParseToken(token, function (input, array, config, token) {\n                config._w = config._w || {};\n                callback(input, config._w, config, token);\n            });\n        }\n\n        function addTimeToArrayFromToken(token, input, config) {\n            if (input != null && hasOwnProp(tokens, token)) {\n                tokens[token](input, config._a, config, token);\n            }\n        }\n\n        var YEAR = 0;\n        var MONTH = 1;\n        var DATE = 2;\n        var HOUR = 3;\n        var MINUTE = 4;\n        var SECOND = 5;\n        var MILLISECOND = 6;\n        var WEEK = 7;\n        var WEEKDAY = 8;\n\n        var indexOf;\n\n        if (Array.prototype.indexOf) {\n            indexOf = Array.prototype.indexOf;\n        } else {\n            indexOf = function (o) {\n                // I know\n                var i;\n                for (i = 0; i < this.length; ++i) {\n                    if (this[i] === o) {\n                        return i;\n                    }\n                }\n                return -1;\n            };\n        }\n\n        var indexOf$1 = indexOf;\n\n        function daysInMonth(year, month) {\n            return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();\n        }\n\n// FORMATTING\n\n        addFormatToken('M', ['MM', 2], 'Mo', function () {\n            return this.month() + 1;\n        });\n\n        addFormatToken('MMM', 0, 0, function (format) {\n            return this.localeData().monthsShort(this, format);\n        });\n\n        addFormatToken('MMMM', 0, 0, function (format) {\n            return this.localeData().months(this, format);\n        });\n\n// ALIASES\n\n        addUnitAlias('month', 'M');\n\n// PRIORITY\n\n        addUnitPriority('month', 8);\n\n// PARSING\n\n        addRegexToken('M',    match1to2);\n        addRegexToken('MM',   match1to2, match2);\n        addRegexToken('MMM',  function (isStrict, locale) {\n            return locale.monthsShortRegex(isStrict);\n        });\n        addRegexToken('MMMM', function (isStrict, locale) {\n            return locale.monthsRegex(isStrict);\n        });\n\n        addParseToken(['M', 'MM'], function (input, array) {\n            array[MONTH] = toInt(input) - 1;\n        });\n\n        addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n            var month = config._locale.monthsParse(input, token, config._strict);\n            // if we didn't find a month name, mark the date as invalid.\n            if (month != null) {\n                array[MONTH] = month;\n            } else {\n                getParsingFlags(config).invalidMonth = input;\n            }\n        });\n\n// LOCALES\n\n        var MONTHS_IN_FORMAT = /D[oD]?(\\[[^\\[\\]]*\\]|\\s)+MMMM?/;\n        var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');\n        function localeMonths (m, format) {\n            if (!m) {\n                return isArray(this._months) ? this._months :\n                    this._months['standalone'];\n            }\n            return isArray(this._months) ? this._months[m.month()] :\n                this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];\n        }\n\n        var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');\n        function localeMonthsShort (m, format) {\n            if (!m) {\n                return isArray(this._monthsShort) ? this._monthsShort :\n                    this._monthsShort['standalone'];\n            }\n            return isArray(this._monthsShort) ? this._monthsShort[m.month()] :\n                this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];\n        }\n\n        function handleStrictParse(monthName, format, strict) {\n            var i, ii, mom, llc = monthName.toLocaleLowerCase();\n            if (!this._monthsParse) {\n                // this is not used\n                this._monthsParse = [];\n                this._longMonthsParse = [];\n                this._shortMonthsParse = [];\n                for (i = 0; i < 12; ++i) {\n                    mom = createUTC([2000, i]);\n                    this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();\n                    this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();\n                }\n            }\n\n            if (strict) {\n                if (format === 'MMM') {\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            } else {\n                if (format === 'MMM') {\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            }\n        }\n\n        function localeMonthsParse (monthName, format, strict) {\n            var i, mom, regex;\n\n            if (this._monthsParseExact) {\n                return handleStrictParse.call(this, monthName, format, strict);\n            }\n\n            if (!this._monthsParse) {\n                this._monthsParse = [];\n                this._longMonthsParse = [];\n                this._shortMonthsParse = [];\n            }\n\n            // TODO: add sorting\n            // Sorting makes sure if one month (or abbr) is a prefix of another\n            // see sorting in computeMonthsParse\n            for (i = 0; i < 12; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, i]);\n                if (strict && !this._longMonthsParse[i]) {\n                    this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');\n                    this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');\n                }\n                if (!strict && !this._monthsParse[i]) {\n                    regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n                    this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n                }\n                // test the regex\n                if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {\n                    return i;\n                } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {\n                    return i;\n                } else if (!strict && this._monthsParse[i].test(monthName)) {\n                    return i;\n                }\n            }\n        }\n\n// MOMENTS\n\n        function setMonth (mom, value) {\n            var dayOfMonth;\n\n            if (!mom.isValid()) {\n                // No op\n                return mom;\n            }\n\n            if (typeof value === 'string') {\n                if (/^\\d+$/.test(value)) {\n                    value = toInt(value);\n                } else {\n                    value = mom.localeData().monthsParse(value);\n                    // TODO: Another silent failure?\n                    if (!isNumber(value)) {\n                        return mom;\n                    }\n                }\n            }\n\n            dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n            mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n            return mom;\n        }\n\n        function getSetMonth (value) {\n            if (value != null) {\n                setMonth(this, value);\n                hooks.updateOffset(this, true);\n                return this;\n            } else {\n                return get(this, 'Month');\n            }\n        }\n\n        function getDaysInMonth () {\n            return daysInMonth(this.year(), this.month());\n        }\n\n        var defaultMonthsShortRegex = matchWord;\n        function monthsShortRegex (isStrict) {\n            if (this._monthsParseExact) {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    computeMonthsParse.call(this);\n                }\n                if (isStrict) {\n                    return this._monthsShortStrictRegex;\n                } else {\n                    return this._monthsShortRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_monthsShortRegex')) {\n                    this._monthsShortRegex = defaultMonthsShortRegex;\n                }\n                return this._monthsShortStrictRegex && isStrict ?\n                    this._monthsShortStrictRegex : this._monthsShortRegex;\n            }\n        }\n\n        var defaultMonthsRegex = matchWord;\n        function monthsRegex (isStrict) {\n            if (this._monthsParseExact) {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    computeMonthsParse.call(this);\n                }\n                if (isStrict) {\n                    return this._monthsStrictRegex;\n                } else {\n                    return this._monthsRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    this._monthsRegex = defaultMonthsRegex;\n                }\n                return this._monthsStrictRegex && isStrict ?\n                    this._monthsStrictRegex : this._monthsRegex;\n            }\n        }\n\n        function computeMonthsParse () {\n            function cmpLenRev(a, b) {\n                return b.length - a.length;\n            }\n\n            var shortPieces = [], longPieces = [], mixedPieces = [],\n                i, mom;\n            for (i = 0; i < 12; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, i]);\n                shortPieces.push(this.monthsShort(mom, ''));\n                longPieces.push(this.months(mom, ''));\n                mixedPieces.push(this.months(mom, ''));\n                mixedPieces.push(this.monthsShort(mom, ''));\n            }\n            // Sorting makes sure if one month (or abbr) is a prefix of another it\n            // will match the longer piece.\n            shortPieces.sort(cmpLenRev);\n            longPieces.sort(cmpLenRev);\n            mixedPieces.sort(cmpLenRev);\n            for (i = 0; i < 12; i++) {\n                shortPieces[i] = regexEscape(shortPieces[i]);\n                longPieces[i] = regexEscape(longPieces[i]);\n            }\n            for (i = 0; i < 24; i++) {\n                mixedPieces[i] = regexEscape(mixedPieces[i]);\n            }\n\n            this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n            this._monthsShortRegex = this._monthsRegex;\n            this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n            this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n        }\n\n// FORMATTING\n\n        addFormatToken('Y', 0, 0, function () {\n            var y = this.year();\n            return y <= 9999 ? '' + y : '+' + y;\n        });\n\n        addFormatToken(0, ['YY', 2], 0, function () {\n            return this.year() % 100;\n        });\n\n        addFormatToken(0, ['YYYY',   4],       0, 'year');\n        addFormatToken(0, ['YYYYY',  5],       0, 'year');\n        addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');\n\n// ALIASES\n\n        addUnitAlias('year', 'y');\n\n// PRIORITIES\n\n        addUnitPriority('year', 1);\n\n// PARSING\n\n        addRegexToken('Y',      matchSigned);\n        addRegexToken('YY',     match1to2, match2);\n        addRegexToken('YYYY',   match1to4, match4);\n        addRegexToken('YYYYY',  match1to6, match6);\n        addRegexToken('YYYYYY', match1to6, match6);\n\n        addParseToken(['YYYYY', 'YYYYYY'], YEAR);\n        addParseToken('YYYY', function (input, array) {\n            array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);\n        });\n        addParseToken('YY', function (input, array) {\n            array[YEAR] = hooks.parseTwoDigitYear(input);\n        });\n        addParseToken('Y', function (input, array) {\n            array[YEAR] = parseInt(input, 10);\n        });\n\n// HELPERS\n\n        function daysInYear(year) {\n            return isLeapYear(year) ? 366 : 365;\n        }\n\n        function isLeapYear(year) {\n            return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;\n        }\n\n// HOOKS\n\n        hooks.parseTwoDigitYear = function (input) {\n            return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n        };\n\n// MOMENTS\n\n        var getSetYear = makeGetSet('FullYear', true);\n\n        function getIsLeapYear () {\n            return isLeapYear(this.year());\n        }\n\n        function createDate (y, m, d, h, M, s, ms) {\n            // can't just apply() to create a date:\n            // https://stackoverflow.com/q/181348\n            var date = new Date(y, m, d, h, M, s, ms);\n\n            // the date constructor remaps years 0-99 to 1900-1999\n            if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {\n                date.setFullYear(y);\n            }\n            return date;\n        }\n\n        function createUTCDate (y) {\n            var date = new Date(Date.UTC.apply(null, arguments));\n\n            // the Date.UTC function remaps years 0-99 to 1900-1999\n            if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {\n                date.setUTCFullYear(y);\n            }\n            return date;\n        }\n\n// start-of-first-week - start-of-year\n        function firstWeekOffset(year, dow, doy) {\n            var // first-week day -- which january is always in the first week (4 for iso, 1 for other)\n                fwd = 7 + dow - doy,\n                // first-week day local weekday -- which local weekday is fwd\n                fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;\n\n            return -fwdlw + fwd - 1;\n        }\n\n// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\n        function dayOfYearFromWeeks(year, week, weekday, dow, doy) {\n            var localWeekday = (7 + weekday - dow) % 7,\n                weekOffset = firstWeekOffset(year, dow, doy),\n                dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,\n                resYear, resDayOfYear;\n\n            if (dayOfYear <= 0) {\n                resYear = year - 1;\n                resDayOfYear = daysInYear(resYear) + dayOfYear;\n            } else if (dayOfYear > daysInYear(year)) {\n                resYear = year + 1;\n                resDayOfYear = dayOfYear - daysInYear(year);\n            } else {\n                resYear = year;\n                resDayOfYear = dayOfYear;\n            }\n\n            return {\n                year: resYear,\n                dayOfYear: resDayOfYear\n            };\n        }\n\n        function weekOfYear(mom, dow, doy) {\n            var weekOffset = firstWeekOffset(mom.year(), dow, doy),\n                week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,\n                resWeek, resYear;\n\n            if (week < 1) {\n                resYear = mom.year() - 1;\n                resWeek = week + weeksInYear(resYear, dow, doy);\n            } else if (week > weeksInYear(mom.year(), dow, doy)) {\n                resWeek = week - weeksInYear(mom.year(), dow, doy);\n                resYear = mom.year() + 1;\n            } else {\n                resYear = mom.year();\n                resWeek = week;\n            }\n\n            return {\n                week: resWeek,\n                year: resYear\n            };\n        }\n\n        function weeksInYear(year, dow, doy) {\n            var weekOffset = firstWeekOffset(year, dow, doy),\n                weekOffsetNext = firstWeekOffset(year + 1, dow, doy);\n            return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;\n        }\n\n// FORMATTING\n\n        addFormatToken('w', ['ww', 2], 'wo', 'week');\n        addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');\n\n// ALIASES\n\n        addUnitAlias('week', 'w');\n        addUnitAlias('isoWeek', 'W');\n\n// PRIORITIES\n\n        addUnitPriority('week', 5);\n        addUnitPriority('isoWeek', 5);\n\n// PARSING\n\n        addRegexToken('w',  match1to2);\n        addRegexToken('ww', match1to2, match2);\n        addRegexToken('W',  match1to2);\n        addRegexToken('WW', match1to2, match2);\n\n        addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {\n            week[token.substr(0, 1)] = toInt(input);\n        });\n\n// HELPERS\n\n// LOCALES\n\n        function localeWeek (mom) {\n            return weekOfYear(mom, this._week.dow, this._week.doy).week;\n        }\n\n        var defaultLocaleWeek = {\n            dow : 0, // Sunday is the first day of the week.\n            doy : 6  // The week that contains Jan 1st is the first week of the year.\n        };\n\n        function localeFirstDayOfWeek () {\n            return this._week.dow;\n        }\n\n        function localeFirstDayOfYear () {\n            return this._week.doy;\n        }\n\n// MOMENTS\n\n        function getSetWeek (input) {\n            var week = this.localeData().week(this);\n            return input == null ? week : this.add((input - week) * 7, 'd');\n        }\n\n        function getSetISOWeek (input) {\n            var week = weekOfYear(this, 1, 4).week;\n            return input == null ? week : this.add((input - week) * 7, 'd');\n        }\n\n// FORMATTING\n\n        addFormatToken('d', 0, 'do', 'day');\n\n        addFormatToken('dd', 0, 0, function (format) {\n            return this.localeData().weekdaysMin(this, format);\n        });\n\n        addFormatToken('ddd', 0, 0, function (format) {\n            return this.localeData().weekdaysShort(this, format);\n        });\n\n        addFormatToken('dddd', 0, 0, function (format) {\n            return this.localeData().weekdays(this, format);\n        });\n\n        addFormatToken('e', 0, 0, 'weekday');\n        addFormatToken('E', 0, 0, 'isoWeekday');\n\n// ALIASES\n\n        addUnitAlias('day', 'd');\n        addUnitAlias('weekday', 'e');\n        addUnitAlias('isoWeekday', 'E');\n\n// PRIORITY\n        addUnitPriority('day', 11);\n        addUnitPriority('weekday', 11);\n        addUnitPriority('isoWeekday', 11);\n\n// PARSING\n\n        addRegexToken('d',    match1to2);\n        addRegexToken('e',    match1to2);\n        addRegexToken('E',    match1to2);\n        addRegexToken('dd',   function (isStrict, locale) {\n            return locale.weekdaysMinRegex(isStrict);\n        });\n        addRegexToken('ddd',   function (isStrict, locale) {\n            return locale.weekdaysShortRegex(isStrict);\n        });\n        addRegexToken('dddd',   function (isStrict, locale) {\n            return locale.weekdaysRegex(isStrict);\n        });\n\n        addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {\n            var weekday = config._locale.weekdaysParse(input, token, config._strict);\n            // if we didn't get a weekday name, mark the date as invalid\n            if (weekday != null) {\n                week.d = weekday;\n            } else {\n                getParsingFlags(config).invalidWeekday = input;\n            }\n        });\n\n        addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n            week[token] = toInt(input);\n        });\n\n// HELPERS\n\n        function parseWeekday(input, locale) {\n            if (typeof input !== 'string') {\n                return input;\n            }\n\n            if (!isNaN(input)) {\n                return parseInt(input, 10);\n            }\n\n            input = locale.weekdaysParse(input);\n            if (typeof input === 'number') {\n                return input;\n            }\n\n            return null;\n        }\n\n        function parseIsoWeekday(input, locale) {\n            if (typeof input === 'string') {\n                return locale.weekdaysParse(input) % 7 || 7;\n            }\n            return isNaN(input) ? null : input;\n        }\n\n// LOCALES\n\n        var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');\n        function localeWeekdays (m, format) {\n            if (!m) {\n                return isArray(this._weekdays) ? this._weekdays :\n                    this._weekdays['standalone'];\n            }\n            return isArray(this._weekdays) ? this._weekdays[m.day()] :\n                this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];\n        }\n\n        var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');\n        function localeWeekdaysShort (m) {\n            return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;\n        }\n\n        var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');\n        function localeWeekdaysMin (m) {\n            return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;\n        }\n\n        function handleStrictParse$1(weekdayName, format, strict) {\n            var i, ii, mom, llc = weekdayName.toLocaleLowerCase();\n            if (!this._weekdaysParse) {\n                this._weekdaysParse = [];\n                this._shortWeekdaysParse = [];\n                this._minWeekdaysParse = [];\n\n                for (i = 0; i < 7; ++i) {\n                    mom = createUTC([2000, 1]).day(i);\n                    this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();\n                    this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();\n                    this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();\n                }\n            }\n\n            if (strict) {\n                if (format === 'dddd') {\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else if (format === 'ddd') {\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            } else {\n                if (format === 'dddd') {\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else if (format === 'ddd') {\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            }\n        }\n\n        function localeWeekdaysParse (weekdayName, format, strict) {\n            var i, mom, regex;\n\n            if (this._weekdaysParseExact) {\n                return handleStrictParse$1.call(this, weekdayName, format, strict);\n            }\n\n            if (!this._weekdaysParse) {\n                this._weekdaysParse = [];\n                this._minWeekdaysParse = [];\n                this._shortWeekdaysParse = [];\n                this._fullWeekdaysParse = [];\n            }\n\n            for (i = 0; i < 7; i++) {\n                // make the regex if we don't have it already\n\n                mom = createUTC([2000, 1]).day(i);\n                if (strict && !this._fullWeekdaysParse[i]) {\n                    this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i');\n                    this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i');\n                    this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i');\n                }\n                if (!this._weekdaysParse[i]) {\n                    regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');\n                    this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n                }\n                // test the regex\n                if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {\n                    return i;\n                }\n            }\n        }\n\n// MOMENTS\n\n        function getSetDayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n            if (input != null) {\n                input = parseWeekday(input, this.localeData());\n                return this.add(input - day, 'd');\n            } else {\n                return day;\n            }\n        }\n\n        function getSetLocaleDayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n            return input == null ? weekday : this.add(input - weekday, 'd');\n        }\n\n        function getSetISODayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n\n            // behaves the same as moment#day except\n            // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n            // as a setter, sunday should belong to the previous week.\n\n            if (input != null) {\n                var weekday = parseIsoWeekday(input, this.localeData());\n                return this.day(this.day() % 7 ? weekday : weekday - 7);\n            } else {\n                return this.day() || 7;\n            }\n        }\n\n        var defaultWeekdaysRegex = matchWord;\n        function weekdaysRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysStrictRegex;\n                } else {\n                    return this._weekdaysRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    this._weekdaysRegex = defaultWeekdaysRegex;\n                }\n                return this._weekdaysStrictRegex && isStrict ?\n                    this._weekdaysStrictRegex : this._weekdaysRegex;\n            }\n        }\n\n        var defaultWeekdaysShortRegex = matchWord;\n        function weekdaysShortRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysShortStrictRegex;\n                } else {\n                    return this._weekdaysShortRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysShortRegex')) {\n                    this._weekdaysShortRegex = defaultWeekdaysShortRegex;\n                }\n                return this._weekdaysShortStrictRegex && isStrict ?\n                    this._weekdaysShortStrictRegex : this._weekdaysShortRegex;\n            }\n        }\n\n        var defaultWeekdaysMinRegex = matchWord;\n        function weekdaysMinRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysMinStrictRegex;\n                } else {\n                    return this._weekdaysMinRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysMinRegex')) {\n                    this._weekdaysMinRegex = defaultWeekdaysMinRegex;\n                }\n                return this._weekdaysMinStrictRegex && isStrict ?\n                    this._weekdaysMinStrictRegex : this._weekdaysMinRegex;\n            }\n        }\n\n\n        function computeWeekdaysParse () {\n            function cmpLenRev(a, b) {\n                return b.length - a.length;\n            }\n\n            var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],\n                i, mom, minp, shortp, longp;\n            for (i = 0; i < 7; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, 1]).day(i);\n                minp = this.weekdaysMin(mom, '');\n                shortp = this.weekdaysShort(mom, '');\n                longp = this.weekdays(mom, '');\n                minPieces.push(minp);\n                shortPieces.push(shortp);\n                longPieces.push(longp);\n                mixedPieces.push(minp);\n                mixedPieces.push(shortp);\n                mixedPieces.push(longp);\n            }\n            // Sorting makes sure if one weekday (or abbr) is a prefix of another it\n            // will match the longer piece.\n            minPieces.sort(cmpLenRev);\n            shortPieces.sort(cmpLenRev);\n            longPieces.sort(cmpLenRev);\n            mixedPieces.sort(cmpLenRev);\n            for (i = 0; i < 7; i++) {\n                shortPieces[i] = regexEscape(shortPieces[i]);\n                longPieces[i] = regexEscape(longPieces[i]);\n                mixedPieces[i] = regexEscape(mixedPieces[i]);\n            }\n\n            this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n            this._weekdaysShortRegex = this._weekdaysRegex;\n            this._weekdaysMinRegex = this._weekdaysRegex;\n\n            this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n            this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n            this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');\n        }\n\n// FORMATTING\n\n        function hFormat() {\n            return this.hours() % 12 || 12;\n        }\n\n        function kFormat() {\n            return this.hours() || 24;\n        }\n\n        addFormatToken('H', ['HH', 2], 0, 'hour');\n        addFormatToken('h', ['hh', 2], 0, hFormat);\n        addFormatToken('k', ['kk', 2], 0, kFormat);\n\n        addFormatToken('hmm', 0, 0, function () {\n            return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);\n        });\n\n        addFormatToken('hmmss', 0, 0, function () {\n            return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +\n                zeroFill(this.seconds(), 2);\n        });\n\n        addFormatToken('Hmm', 0, 0, function () {\n            return '' + this.hours() + zeroFill(this.minutes(), 2);\n        });\n\n        addFormatToken('Hmmss', 0, 0, function () {\n            return '' + this.hours() + zeroFill(this.minutes(), 2) +\n                zeroFill(this.seconds(), 2);\n        });\n\n        function meridiem (token, lowercase) {\n            addFormatToken(token, 0, 0, function () {\n                return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);\n            });\n        }\n\n        meridiem('a', true);\n        meridiem('A', false);\n\n// ALIASES\n\n        addUnitAlias('hour', 'h');\n\n// PRIORITY\n        addUnitPriority('hour', 13);\n\n// PARSING\n\n        function matchMeridiem (isStrict, locale) {\n            return locale._meridiemParse;\n        }\n\n        addRegexToken('a',  matchMeridiem);\n        addRegexToken('A',  matchMeridiem);\n        addRegexToken('H',  match1to2);\n        addRegexToken('h',  match1to2);\n        addRegexToken('k',  match1to2);\n        addRegexToken('HH', match1to2, match2);\n        addRegexToken('hh', match1to2, match2);\n        addRegexToken('kk', match1to2, match2);\n\n        addRegexToken('hmm', match3to4);\n        addRegexToken('hmmss', match5to6);\n        addRegexToken('Hmm', match3to4);\n        addRegexToken('Hmmss', match5to6);\n\n        addParseToken(['H', 'HH'], HOUR);\n        addParseToken(['k', 'kk'], function (input, array, config) {\n            var kInput = toInt(input);\n            array[HOUR] = kInput === 24 ? 0 : kInput;\n        });\n        addParseToken(['a', 'A'], function (input, array, config) {\n            config._isPm = config._locale.isPM(input);\n            config._meridiem = input;\n        });\n        addParseToken(['h', 'hh'], function (input, array, config) {\n            array[HOUR] = toInt(input);\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('hmm', function (input, array, config) {\n            var pos = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos));\n            array[MINUTE] = toInt(input.substr(pos));\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('hmmss', function (input, array, config) {\n            var pos1 = input.length - 4;\n            var pos2 = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos1));\n            array[MINUTE] = toInt(input.substr(pos1, 2));\n            array[SECOND] = toInt(input.substr(pos2));\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('Hmm', function (input, array, config) {\n            var pos = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos));\n            array[MINUTE] = toInt(input.substr(pos));\n        });\n        addParseToken('Hmmss', function (input, array, config) {\n            var pos1 = input.length - 4;\n            var pos2 = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos1));\n            array[MINUTE] = toInt(input.substr(pos1, 2));\n            array[SECOND] = toInt(input.substr(pos2));\n        });\n\n// LOCALES\n\n        function localeIsPM (input) {\n            // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n            // Using charAt should be more compatible.\n            return ((input + '').toLowerCase().charAt(0) === 'p');\n        }\n\n        var defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i;\n        function localeMeridiem (hours, minutes, isLower) {\n            if (hours > 11) {\n                return isLower ? 'pm' : 'PM';\n            } else {\n                return isLower ? 'am' : 'AM';\n            }\n        }\n\n\n// MOMENTS\n\n// Setting the hour should keep the time, because the user explicitly\n// specified which hour he wants. So trying to maintain the same hour (in\n// a new timezone) makes sense. Adding/subtracting hours does not follow\n// this rule.\n        var getSetHour = makeGetSet('Hours', true);\n\n// months\n// week\n// weekdays\n// meridiem\n        var baseConfig = {\n            calendar: defaultCalendar,\n            longDateFormat: defaultLongDateFormat,\n            invalidDate: defaultInvalidDate,\n            ordinal: defaultOrdinal,\n            dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,\n            relativeTime: defaultRelativeTime,\n\n            months: defaultLocaleMonths,\n            monthsShort: defaultLocaleMonthsShort,\n\n            week: defaultLocaleWeek,\n\n            weekdays: defaultLocaleWeekdays,\n            weekdaysMin: defaultLocaleWeekdaysMin,\n            weekdaysShort: defaultLocaleWeekdaysShort,\n\n            meridiemParse: defaultLocaleMeridiemParse\n        };\n\n// internal storage for locale config files\n        var locales = {};\n        var localeFamilies = {};\n        var globalLocale;\n\n        function normalizeLocale(key) {\n            return key ? key.toLowerCase().replace('_', '-') : key;\n        }\n\n// pick the locale from the array\n// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\n        function chooseLocale(names) {\n            var i = 0, j, next, locale, split;\n\n            while (i < names.length) {\n                split = normalizeLocale(names[i]).split('-');\n                j = split.length;\n                next = normalizeLocale(names[i + 1]);\n                next = next ? next.split('-') : null;\n                while (j > 0) {\n                    locale = loadLocale(split.slice(0, j).join('-'));\n                    if (locale) {\n                        return locale;\n                    }\n                    if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {\n                        //the next array item is better than a shallower substring of this one\n                        break;\n                    }\n                    j--;\n                }\n                i++;\n            }\n            return null;\n        }\n\n        function loadLocale(name) {\n            var oldLocale = null;\n            // TODO: Find a better way to register and load all the locales in Node\n            if (!locales[name] && (typeof module !== 'undefined') &&\n                module && module.exports) {\n                try {\n                    oldLocale = globalLocale._abbr;\n                    require('./locale/' + name);\n                    // because defineLocale currently also sets the global locale, we\n                    // want to undo that for lazy loaded locales\n                    getSetGlobalLocale(oldLocale);\n                } catch (e) { }\n            }\n            return locales[name];\n        }\n\n// This function will load locale and then set the global locale.  If\n// no arguments are passed in, it will simply return the current global\n// locale key.\n        function getSetGlobalLocale (key, values) {\n            var data;\n            if (key) {\n                if (isUndefined(values)) {\n                    data = getLocale(key);\n                }\n                else {\n                    data = defineLocale(key, values);\n                }\n\n                if (data) {\n                    // moment.duration._locale = moment._locale = data;\n                    globalLocale = data;\n                }\n            }\n\n            return globalLocale._abbr;\n        }\n\n        function defineLocale (name, config) {\n            if (config !== null) {\n                var parentConfig = baseConfig;\n                config.abbr = name;\n                if (locales[name] != null) {\n                    deprecateSimple('defineLocaleOverride',\n                        'use moment.updateLocale(localeName, config) to change ' +\n                        'an existing locale. moment.defineLocale(localeName, ' +\n                        'config) should only be used for creating a new locale ' +\n                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');\n                    parentConfig = locales[name]._config;\n                } else if (config.parentLocale != null) {\n                    if (locales[config.parentLocale] != null) {\n                        parentConfig = locales[config.parentLocale]._config;\n                    } else {\n                        if (!localeFamilies[config.parentLocale]) {\n                            localeFamilies[config.parentLocale] = [];\n                        }\n                        localeFamilies[config.parentLocale].push({\n                            name: name,\n                            config: config\n                        });\n                        return null;\n                    }\n                }\n                locales[name] = new Locale(mergeConfigs(parentConfig, config));\n\n                if (localeFamilies[name]) {\n                    localeFamilies[name].forEach(function (x) {\n                        defineLocale(x.name, x.config);\n                    });\n                }\n\n                // backwards compat for now: also set the locale\n                // make sure we set the locale AFTER all child locales have been\n                // created, so we won't end up with the child locale set.\n                getSetGlobalLocale(name);\n\n\n                return locales[name];\n            } else {\n                // useful for testing\n                delete locales[name];\n                return null;\n            }\n        }\n\n        function updateLocale(name, config) {\n            if (config != null) {\n                var locale, parentConfig = baseConfig;\n                // MERGE\n                if (locales[name] != null) {\n                    parentConfig = locales[name]._config;\n                }\n                config = mergeConfigs(parentConfig, config);\n                locale = new Locale(config);\n                locale.parentLocale = locales[name];\n                locales[name] = locale;\n\n                // backwards compat for now: also set the locale\n                getSetGlobalLocale(name);\n            } else {\n                // pass null for config to unupdate, useful for tests\n                if (locales[name] != null) {\n                    if (locales[name].parentLocale != null) {\n                        locales[name] = locales[name].parentLocale;\n                    } else if (locales[name] != null) {\n                        delete locales[name];\n                    }\n                }\n            }\n            return locales[name];\n        }\n\n// returns locale data\n        function getLocale (key) {\n            var locale;\n\n            if (key && key._locale && key._locale._abbr) {\n                key = key._locale._abbr;\n            }\n\n            if (!key) {\n                return globalLocale;\n            }\n\n            if (!isArray(key)) {\n                //short-circuit everything else\n                locale = loadLocale(key);\n                if (locale) {\n                    return locale;\n                }\n                key = [key];\n            }\n\n            return chooseLocale(key);\n        }\n\n        function listLocales() {\n            return keys$1(locales);\n        }\n\n        function checkOverflow (m) {\n            var overflow;\n            var a = m._a;\n\n            if (a && getParsingFlags(m).overflow === -2) {\n                overflow =\n                    a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :\n                        a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :\n                            a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :\n                                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :\n                                    a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :\n                                        a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :\n                                            -1;\n\n                if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {\n                    overflow = DATE;\n                }\n                if (getParsingFlags(m)._overflowWeeks && overflow === -1) {\n                    overflow = WEEK;\n                }\n                if (getParsingFlags(m)._overflowWeekday && overflow === -1) {\n                    overflow = WEEKDAY;\n                }\n\n                getParsingFlags(m).overflow = overflow;\n            }\n\n            return m;\n        }\n\n// iso 8601 regex\n// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)\n        var extendedIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})-(?:\\d\\d-\\d\\d|W\\d\\d-\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?::\\d\\d(?::\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n        var basicIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})(?:\\d\\d\\d\\d|W\\d\\d\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?:\\d\\d(?:\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n\n        var tzRegex = /Z|[+-]\\d\\d(?::?\\d\\d)?/;\n\n        var isoDates = [\n            ['YYYYYY-MM-DD', /[+-]\\d{6}-\\d\\d-\\d\\d/],\n            ['YYYY-MM-DD', /\\d{4}-\\d\\d-\\d\\d/],\n            ['GGGG-[W]WW-E', /\\d{4}-W\\d\\d-\\d/],\n            ['GGGG-[W]WW', /\\d{4}-W\\d\\d/, false],\n            ['YYYY-DDD', /\\d{4}-\\d{3}/],\n            ['YYYY-MM', /\\d{4}-\\d\\d/, false],\n            ['YYYYYYMMDD', /[+-]\\d{10}/],\n            ['YYYYMMDD', /\\d{8}/],\n            // YYYYMM is NOT allowed by the standard\n            ['GGGG[W]WWE', /\\d{4}W\\d{3}/],\n            ['GGGG[W]WW', /\\d{4}W\\d{2}/, false],\n            ['YYYYDDD', /\\d{7}/]\n        ];\n\n// iso time formats and regexes\n        var isoTimes = [\n            ['HH:mm:ss.SSSS', /\\d\\d:\\d\\d:\\d\\d\\.\\d+/],\n            ['HH:mm:ss,SSSS', /\\d\\d:\\d\\d:\\d\\d,\\d+/],\n            ['HH:mm:ss', /\\d\\d:\\d\\d:\\d\\d/],\n            ['HH:mm', /\\d\\d:\\d\\d/],\n            ['HHmmss.SSSS', /\\d\\d\\d\\d\\d\\d\\.\\d+/],\n            ['HHmmss,SSSS', /\\d\\d\\d\\d\\d\\d,\\d+/],\n            ['HHmmss', /\\d\\d\\d\\d\\d\\d/],\n            ['HHmm', /\\d\\d\\d\\d/],\n            ['HH', /\\d\\d/]\n        ];\n\n        var aspNetJsonRegex = /^\\/?Date\\((\\-?\\d+)/i;\n\n// date from iso format\n        function configFromISO(config) {\n            var i, l,\n                string = config._i,\n                match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),\n                allowTime, dateFormat, timeFormat, tzFormat;\n\n            if (match) {\n                getParsingFlags(config).iso = true;\n\n                for (i = 0, l = isoDates.length; i < l; i++) {\n                    if (isoDates[i][1].exec(match[1])) {\n                        dateFormat = isoDates[i][0];\n                        allowTime = isoDates[i][2] !== false;\n                        break;\n                    }\n                }\n                if (dateFormat == null) {\n                    config._isValid = false;\n                    return;\n                }\n                if (match[3]) {\n                    for (i = 0, l = isoTimes.length; i < l; i++) {\n                        if (isoTimes[i][1].exec(match[3])) {\n                            // match[2] should be 'T' or space\n                            timeFormat = (match[2] || ' ') + isoTimes[i][0];\n                            break;\n                        }\n                    }\n                    if (timeFormat == null) {\n                        config._isValid = false;\n                        return;\n                    }\n                }\n                if (!allowTime && timeFormat != null) {\n                    config._isValid = false;\n                    return;\n                }\n                if (match[4]) {\n                    if (tzRegex.exec(match[4])) {\n                        tzFormat = 'Z';\n                    } else {\n                        config._isValid = false;\n                        return;\n                    }\n                }\n                config._f = dateFormat + (timeFormat || '') + (tzFormat || '');\n                configFromStringAndFormat(config);\n            } else {\n                config._isValid = false;\n            }\n        }\n\n// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3\n        var basicRfcRegex = /^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\\s)?(\\d?\\d\\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(?:\\d\\d)?\\d\\d\\s)(\\d\\d:\\d\\d)(\\:\\d\\d)?(\\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\\d{4}))$/;\n\n// date and time from ref 2822 format\n        function configFromRFC2822(config) {\n            var string, match, dayFormat,\n                dateFormat, timeFormat, tzFormat;\n            var timezones = {\n                ' GMT': ' +0000',\n                ' EDT': ' -0400',\n                ' EST': ' -0500',\n                ' CDT': ' -0500',\n                ' CST': ' -0600',\n                ' MDT': ' -0600',\n                ' MST': ' -0700',\n                ' PDT': ' -0700',\n                ' PST': ' -0800'\n            };\n            var military = 'YXWVUTSRQPONZABCDEFGHIKLM';\n            var timezone, timezoneIndex;\n\n            string = config._i\n                .replace(/\\([^\\)]*\\)|[\\n\\t]/g, ' ') // Remove comments and folding whitespace\n                .replace(/(\\s\\s+)/g, ' ') // Replace multiple-spaces with a single space\n                .replace(/^\\s|\\s$/g, ''); // Remove leading and trailing spaces\n            match = basicRfcRegex.exec(string);\n\n            if (match) {\n                dayFormat = match[1] ? 'ddd' + ((match[1].length === 5) ? ', ' : ' ') : '';\n                dateFormat = 'D MMM ' + ((match[2].length > 10) ? 'YYYY ' : 'YY ');\n                timeFormat = 'HH:mm' + (match[4] ? ':ss' : '');\n\n                // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.\n                if (match[1]) { // day of week given\n                    var momentDate = new Date(match[2]);\n                    var momentDay = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'][momentDate.getDay()];\n\n                    if (match[1].substr(0,3) !== momentDay) {\n                        getParsingFlags(config).weekdayMismatch = true;\n                        config._isValid = false;\n                        return;\n                    }\n                }\n\n                switch (match[5].length) {\n                    case 2: // military\n                        if (timezoneIndex === 0) {\n                            timezone = ' +0000';\n                        } else {\n                            timezoneIndex = military.indexOf(match[5][1].toUpperCase()) - 12;\n                            timezone = ((timezoneIndex < 0) ? ' -' : ' +') +\n                                (('' + timezoneIndex).replace(/^-?/, '0')).match(/..$/)[0] + '00';\n                        }\n                        break;\n                    case 4: // Zone\n                        timezone = timezones[match[5]];\n                        break;\n                    default: // UT or +/-9999\n                        timezone = timezones[' GMT'];\n                }\n                match[5] = timezone;\n                config._i = match.splice(1).join('');\n                tzFormat = ' ZZ';\n                config._f = dayFormat + dateFormat + timeFormat + tzFormat;\n                configFromStringAndFormat(config);\n                getParsingFlags(config).rfc2822 = true;\n            } else {\n                config._isValid = false;\n            }\n        }\n\n// date from iso format or fallback\n        function configFromString(config) {\n            var matched = aspNetJsonRegex.exec(config._i);\n\n            if (matched !== null) {\n                config._d = new Date(+matched[1]);\n                return;\n            }\n\n            configFromISO(config);\n            if (config._isValid === false) {\n                delete config._isValid;\n            } else {\n                return;\n            }\n\n            configFromRFC2822(config);\n            if (config._isValid === false) {\n                delete config._isValid;\n            } else {\n                return;\n            }\n\n            // Final attempt, use Input Fallback\n            hooks.createFromInputFallback(config);\n        }\n\n        hooks.createFromInputFallback = deprecate(\n            'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +\n            'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +\n            'discouraged and will be removed in an upcoming major release. Please refer to ' +\n            'http://momentjs.com/guides/#/warnings/js-date/ for more info.',\n            function (config) {\n                config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n            }\n        );\n\n// Pick the first defined of two or three arguments.\n        function defaults(a, b, c) {\n            if (a != null) {\n                return a;\n            }\n            if (b != null) {\n                return b;\n            }\n            return c;\n        }\n\n        function currentDateArray(config) {\n            // hooks is actually the exported moment object\n            var nowValue = new Date(hooks.now());\n            if (config._useUTC) {\n                return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];\n            }\n            return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];\n        }\n\n// convert an array to a date.\n// the array should mirror the parameters below\n// note: all values past the year are optional and will default to the lowest possible value.\n// [year, month, day , hour, minute, second, millisecond]\n        function configFromArray (config) {\n            var i, date, input = [], currentDate, yearToUse;\n\n            if (config._d) {\n                return;\n            }\n\n            currentDate = currentDateArray(config);\n\n            //compute day of the year from weeks and weekdays\n            if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n                dayOfYearFromWeekInfo(config);\n            }\n\n            //if the day of the year is set, figure out what it is\n            if (config._dayOfYear != null) {\n                yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n                if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {\n                    getParsingFlags(config)._overflowDayOfYear = true;\n                }\n\n                date = createUTCDate(yearToUse, 0, config._dayOfYear);\n                config._a[MONTH] = date.getUTCMonth();\n                config._a[DATE] = date.getUTCDate();\n            }\n\n            // Default to current date.\n            // * if no year, month, day of month are given, default to today\n            // * if day of month is given, default month and year\n            // * if month is given, default only year\n            // * if year is given, don't default anything\n            for (i = 0; i < 3 && config._a[i] == null; ++i) {\n                config._a[i] = input[i] = currentDate[i];\n            }\n\n            // Zero out whatever was not defaulted, including time\n            for (; i < 7; i++) {\n                config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];\n            }\n\n            // Check for 24:00:00.000\n            if (config._a[HOUR] === 24 &&\n                config._a[MINUTE] === 0 &&\n                config._a[SECOND] === 0 &&\n                config._a[MILLISECOND] === 0) {\n                config._nextDay = true;\n                config._a[HOUR] = 0;\n            }\n\n            config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);\n            // Apply timezone offset from input. The actual utcOffset can be changed\n            // with parseZone.\n            if (config._tzm != null) {\n                config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n            }\n\n            if (config._nextDay) {\n                config._a[HOUR] = 24;\n            }\n        }\n\n        function dayOfYearFromWeekInfo(config) {\n            var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;\n\n            w = config._w;\n            if (w.GG != null || w.W != null || w.E != null) {\n                dow = 1;\n                doy = 4;\n\n                // TODO: We need to take the current isoWeekYear, but that depends on\n                // how we interpret now (local, utc, fixed offset). So create\n                // a now version of current config (take local/utc/offset flags, and\n                // create now).\n                weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);\n                week = defaults(w.W, 1);\n                weekday = defaults(w.E, 1);\n                if (weekday < 1 || weekday > 7) {\n                    weekdayOverflow = true;\n                }\n            } else {\n                dow = config._locale._week.dow;\n                doy = config._locale._week.doy;\n\n                var curWeek = weekOfYear(createLocal(), dow, doy);\n\n                weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);\n\n                // Default to current week.\n                week = defaults(w.w, curWeek.week);\n\n                if (w.d != null) {\n                    // weekday -- low day numbers are considered next week\n                    weekday = w.d;\n                    if (weekday < 0 || weekday > 6) {\n                        weekdayOverflow = true;\n                    }\n                } else if (w.e != null) {\n                    // local weekday -- counting starts from begining of week\n                    weekday = w.e + dow;\n                    if (w.e < 0 || w.e > 6) {\n                        weekdayOverflow = true;\n                    }\n                } else {\n                    // default to begining of week\n                    weekday = dow;\n                }\n            }\n            if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {\n                getParsingFlags(config)._overflowWeeks = true;\n            } else if (weekdayOverflow != null) {\n                getParsingFlags(config)._overflowWeekday = true;\n            } else {\n                temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);\n                config._a[YEAR] = temp.year;\n                config._dayOfYear = temp.dayOfYear;\n            }\n        }\n\n// constant that refers to the ISO standard\n        hooks.ISO_8601 = function () {};\n\n// constant that refers to the RFC 2822 form\n        hooks.RFC_2822 = function () {};\n\n// date from string and format string\n        function configFromStringAndFormat(config) {\n            // TODO: Move this to another part of the creation flow to prevent circular deps\n            if (config._f === hooks.ISO_8601) {\n                configFromISO(config);\n                return;\n            }\n            if (config._f === hooks.RFC_2822) {\n                configFromRFC2822(config);\n                return;\n            }\n            config._a = [];\n            getParsingFlags(config).empty = true;\n\n            // This array is used to make a Date, either with `new Date` or `Date.UTC`\n            var string = '' + config._i,\n                i, parsedInput, tokens, token, skipped,\n                stringLength = string.length,\n                totalParsedInputLength = 0;\n\n            tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];\n\n            for (i = 0; i < tokens.length; i++) {\n                token = tokens[i];\n                parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];\n                // console.log('token', token, 'parsedInput', parsedInput,\n                //         'regex', getParseRegexForToken(token, config));\n                if (parsedInput) {\n                    skipped = string.substr(0, string.indexOf(parsedInput));\n                    if (skipped.length > 0) {\n                        getParsingFlags(config).unusedInput.push(skipped);\n                    }\n                    string = string.slice(string.indexOf(parsedInput) + parsedInput.length);\n                    totalParsedInputLength += parsedInput.length;\n                }\n                // don't parse if it's not a known token\n                if (formatTokenFunctions[token]) {\n                    if (parsedInput) {\n                        getParsingFlags(config).empty = false;\n                    }\n                    else {\n                        getParsingFlags(config).unusedTokens.push(token);\n                    }\n                    addTimeToArrayFromToken(token, parsedInput, config);\n                }\n                else if (config._strict && !parsedInput) {\n                    getParsingFlags(config).unusedTokens.push(token);\n                }\n            }\n\n            // add remaining unparsed input length to the string\n            getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;\n            if (string.length > 0) {\n                getParsingFlags(config).unusedInput.push(string);\n            }\n\n            // clear _12h flag if hour is <= 12\n            if (config._a[HOUR] <= 12 &&\n                getParsingFlags(config).bigHour === true &&\n                config._a[HOUR] > 0) {\n                getParsingFlags(config).bigHour = undefined;\n            }\n\n            getParsingFlags(config).parsedDateParts = config._a.slice(0);\n            getParsingFlags(config).meridiem = config._meridiem;\n            // handle meridiem\n            config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);\n\n            configFromArray(config);\n            checkOverflow(config);\n        }\n\n\n        function meridiemFixWrap (locale, hour, meridiem) {\n            var isPm;\n\n            if (meridiem == null) {\n                // nothing to do\n                return hour;\n            }\n            if (locale.meridiemHour != null) {\n                return locale.meridiemHour(hour, meridiem);\n            } else if (locale.isPM != null) {\n                // Fallback\n                isPm = locale.isPM(meridiem);\n                if (isPm && hour < 12) {\n                    hour += 12;\n                }\n                if (!isPm && hour === 12) {\n                    hour = 0;\n                }\n                return hour;\n            } else {\n                // this is not supposed to happen\n                return hour;\n            }\n        }\n\n// date from string and array of format strings\n        function configFromStringAndArray(config) {\n            var tempConfig,\n                bestMoment,\n\n                scoreToBeat,\n                i,\n                currentScore;\n\n            if (config._f.length === 0) {\n                getParsingFlags(config).invalidFormat = true;\n                config._d = new Date(NaN);\n                return;\n            }\n\n            for (i = 0; i < config._f.length; i++) {\n                currentScore = 0;\n                tempConfig = copyConfig({}, config);\n                if (config._useUTC != null) {\n                    tempConfig._useUTC = config._useUTC;\n                }\n                tempConfig._f = config._f[i];\n                configFromStringAndFormat(tempConfig);\n\n                if (!isValid(tempConfig)) {\n                    continue;\n                }\n\n                // if there is any input that was not parsed add a penalty for that format\n                currentScore += getParsingFlags(tempConfig).charsLeftOver;\n\n                //or tokens\n                currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n\n                getParsingFlags(tempConfig).score = currentScore;\n\n                if (scoreToBeat == null || currentScore < scoreToBeat) {\n                    scoreToBeat = currentScore;\n                    bestMoment = tempConfig;\n                }\n            }\n\n            extend(config, bestMoment || tempConfig);\n        }\n\n        function configFromObject(config) {\n            if (config._d) {\n                return;\n            }\n\n            var i = normalizeObjectUnits(config._i);\n            config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {\n                return obj && parseInt(obj, 10);\n            });\n\n            configFromArray(config);\n        }\n\n        function createFromConfig (config) {\n            var res = new Moment(checkOverflow(prepareConfig(config)));\n            if (res._nextDay) {\n                // Adding is smart enough around DST\n                res.add(1, 'd');\n                res._nextDay = undefined;\n            }\n\n            return res;\n        }\n\n        function prepareConfig (config) {\n            var input = config._i,\n                format = config._f;\n\n            config._locale = config._locale || getLocale(config._l);\n\n            if (input === null || (format === undefined && input === '')) {\n                return createInvalid({nullInput: true});\n            }\n\n            if (typeof input === 'string') {\n                config._i = input = config._locale.preparse(input);\n            }\n\n            if (isMoment(input)) {\n                return new Moment(checkOverflow(input));\n            } else if (isDate(input)) {\n                config._d = input;\n            } else if (isArray(format)) {\n                configFromStringAndArray(config);\n            } else if (format) {\n                configFromStringAndFormat(config);\n            }  else {\n                configFromInput(config);\n            }\n\n            if (!isValid(config)) {\n                config._d = null;\n            }\n\n            return config;\n        }\n\n        function configFromInput(config) {\n            var input = config._i;\n            if (isUndefined(input)) {\n                config._d = new Date(hooks.now());\n            } else if (isDate(input)) {\n                config._d = new Date(input.valueOf());\n            } else if (typeof input === 'string') {\n                configFromString(config);\n            } else if (isArray(input)) {\n                config._a = map(input.slice(0), function (obj) {\n                    return parseInt(obj, 10);\n                });\n                configFromArray(config);\n            } else if (isObject(input)) {\n                configFromObject(config);\n            } else if (isNumber(input)) {\n                // from milliseconds\n                config._d = new Date(input);\n            } else {\n                hooks.createFromInputFallback(config);\n            }\n        }\n\n        function createLocalOrUTC (input, format, locale, strict, isUTC) {\n            var c = {};\n\n            if (locale === true || locale === false) {\n                strict = locale;\n                locale = undefined;\n            }\n\n            if ((isObject(input) && isObjectEmpty(input)) ||\n                (isArray(input) && input.length === 0)) {\n                input = undefined;\n            }\n            // object construction must be done this way.\n            // https://github.com/moment/moment/issues/1423\n            c._isAMomentObject = true;\n            c._useUTC = c._isUTC = isUTC;\n            c._l = locale;\n            c._i = input;\n            c._f = format;\n            c._strict = strict;\n\n            return createFromConfig(c);\n        }\n\n        function createLocal (input, format, locale, strict) {\n            return createLocalOrUTC(input, format, locale, strict, false);\n        }\n\n        var prototypeMin = deprecate(\n            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other < this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n        var prototypeMax = deprecate(\n            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other > this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n// Pick a moment m from moments so that m[fn](other) is true for all\n// other. This relies on the function fn to be transitive.\n//\n// moments should either be an array of moment objects or an array, whose\n// first element is an array of moment objects.\n        function pickBy(fn, moments) {\n            var res, i;\n            if (moments.length === 1 && isArray(moments[0])) {\n                moments = moments[0];\n            }\n            if (!moments.length) {\n                return createLocal();\n            }\n            res = moments[0];\n            for (i = 1; i < moments.length; ++i) {\n                if (!moments[i].isValid() || moments[i][fn](res)) {\n                    res = moments[i];\n                }\n            }\n            return res;\n        }\n\n// TODO: Use [].sort instead?\n        function min () {\n            var args = [].slice.call(arguments, 0);\n\n            return pickBy('isBefore', args);\n        }\n\n        function max () {\n            var args = [].slice.call(arguments, 0);\n\n            return pickBy('isAfter', args);\n        }\n\n        var now = function () {\n            return Date.now ? Date.now() : +(new Date());\n        };\n\n        var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];\n\n        function isDurationValid(m) {\n            for (var key in m) {\n                if (!(ordering.indexOf(key) !== -1 && (m[key] == null || !isNaN(m[key])))) {\n                    return false;\n                }\n            }\n\n            var unitHasDecimal = false;\n            for (var i = 0; i < ordering.length; ++i) {\n                if (m[ordering[i]]) {\n                    if (unitHasDecimal) {\n                        return false; // only allow non-integers for smallest unit\n                    }\n                    if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {\n                        unitHasDecimal = true;\n                    }\n                }\n            }\n\n            return true;\n        }\n\n        function isValid$1() {\n            return this._isValid;\n        }\n\n        function createInvalid$1() {\n            return createDuration(NaN);\n        }\n\n        function Duration (duration) {\n            var normalizedInput = normalizeObjectUnits(duration),\n                years = normalizedInput.year || 0,\n                quarters = normalizedInput.quarter || 0,\n                months = normalizedInput.month || 0,\n                weeks = normalizedInput.week || 0,\n                days = normalizedInput.day || 0,\n                hours = normalizedInput.hour || 0,\n                minutes = normalizedInput.minute || 0,\n                seconds = normalizedInput.second || 0,\n                milliseconds = normalizedInput.millisecond || 0;\n\n            this._isValid = isDurationValid(normalizedInput);\n\n            // representation for dateAddRemove\n            this._milliseconds = +milliseconds +\n                seconds * 1e3 + // 1000\n                minutes * 6e4 + // 1000 * 60\n                hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978\n            // Because of dateAddRemove treats 24 hours as different from a\n            // day when working around DST, we need to store them separately\n            this._days = +days +\n                weeks * 7;\n            // It is impossible translate months into days without knowing\n            // which months you are are talking about, so we have to store\n            // it separately.\n            this._months = +months +\n                quarters * 3 +\n                years * 12;\n\n            this._data = {};\n\n            this._locale = getLocale();\n\n            this._bubble();\n        }\n\n        function isDuration (obj) {\n            return obj instanceof Duration;\n        }\n\n        function absRound (number) {\n            if (number < 0) {\n                return Math.round(-1 * number) * -1;\n            } else {\n                return Math.round(number);\n            }\n        }\n\n// FORMATTING\n\n        function offset (token, separator) {\n            addFormatToken(token, 0, 0, function () {\n                var offset = this.utcOffset();\n                var sign = '+';\n                if (offset < 0) {\n                    offset = -offset;\n                    sign = '-';\n                }\n                return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);\n            });\n        }\n\n        offset('Z', ':');\n        offset('ZZ', '');\n\n// PARSING\n\n        addRegexToken('Z',  matchShortOffset);\n        addRegexToken('ZZ', matchShortOffset);\n        addParseToken(['Z', 'ZZ'], function (input, array, config) {\n            config._useUTC = true;\n            config._tzm = offsetFromString(matchShortOffset, input);\n        });\n\n// HELPERS\n\n// timezone chunker\n// '+10:00' > ['10',  '00']\n// '-1530'  > ['-15', '30']\n        var chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\n        function offsetFromString(matcher, string) {\n            var matches = (string || '').match(matcher);\n\n            if (matches === null) {\n                return null;\n            }\n\n            var chunk   = matches[matches.length - 1] || [];\n            var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n            var minutes = +(parts[1] * 60) + toInt(parts[2]);\n\n            return minutes === 0 ?\n                0 :\n                parts[0] === '+' ? minutes : -minutes;\n        }\n\n// Return a moment from input, that is local/utc/zone equivalent to model.\n        function cloneWithOffset(input, model) {\n            var res, diff;\n            if (model._isUTC) {\n                res = model.clone();\n                diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();\n                // Use low-level api, because this fn is low-level api.\n                res._d.setTime(res._d.valueOf() + diff);\n                hooks.updateOffset(res, false);\n                return res;\n            } else {\n                return createLocal(input).local();\n            }\n        }\n\n        function getDateOffset (m) {\n            // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n            // https://github.com/moment/moment/pull/1871\n            return -Math.round(m._d.getTimezoneOffset() / 15) * 15;\n        }\n\n// HOOKS\n\n// This function will be called whenever a moment is mutated.\n// It is intended to keep the offset in sync with the timezone.\n        hooks.updateOffset = function () {};\n\n// MOMENTS\n\n// keepLocalTime = true means only change the timezone, without\n// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n// +0200, so we adjust the time as needed, to be valid.\n//\n// Keeping the time actually adds/subtracts (one hour)\n// from the actual represented time. That is why we call updateOffset\n// a second time. In case it wants us to change the offset again\n// _changeInProgress == true case, then we have to adjust, because\n// there is no such time in the given timezone.\n        function getSetOffset (input, keepLocalTime, keepMinutes) {\n            var offset = this._offset || 0,\n                localAdjust;\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            if (input != null) {\n                if (typeof input === 'string') {\n                    input = offsetFromString(matchShortOffset, input);\n                    if (input === null) {\n                        return this;\n                    }\n                } else if (Math.abs(input) < 16 && !keepMinutes) {\n                    input = input * 60;\n                }\n                if (!this._isUTC && keepLocalTime) {\n                    localAdjust = getDateOffset(this);\n                }\n                this._offset = input;\n                this._isUTC = true;\n                if (localAdjust != null) {\n                    this.add(localAdjust, 'm');\n                }\n                if (offset !== input) {\n                    if (!keepLocalTime || this._changeInProgress) {\n                        addSubtract(this, createDuration(input - offset, 'm'), 1, false);\n                    } else if (!this._changeInProgress) {\n                        this._changeInProgress = true;\n                        hooks.updateOffset(this, true);\n                        this._changeInProgress = null;\n                    }\n                }\n                return this;\n            } else {\n                return this._isUTC ? offset : getDateOffset(this);\n            }\n        }\n\n        function getSetZone (input, keepLocalTime) {\n            if (input != null) {\n                if (typeof input !== 'string') {\n                    input = -input;\n                }\n\n                this.utcOffset(input, keepLocalTime);\n\n                return this;\n            } else {\n                return -this.utcOffset();\n            }\n        }\n\n        function setOffsetToUTC (keepLocalTime) {\n            return this.utcOffset(0, keepLocalTime);\n        }\n\n        function setOffsetToLocal (keepLocalTime) {\n            if (this._isUTC) {\n                this.utcOffset(0, keepLocalTime);\n                this._isUTC = false;\n\n                if (keepLocalTime) {\n                    this.subtract(getDateOffset(this), 'm');\n                }\n            }\n            return this;\n        }\n\n        function setOffsetToParsedOffset () {\n            if (this._tzm != null) {\n                this.utcOffset(this._tzm, false, true);\n            } else if (typeof this._i === 'string') {\n                var tZone = offsetFromString(matchOffset, this._i);\n                if (tZone != null) {\n                    this.utcOffset(tZone);\n                }\n                else {\n                    this.utcOffset(0, true);\n                }\n            }\n            return this;\n        }\n\n        function hasAlignedHourOffset (input) {\n            if (!this.isValid()) {\n                return false;\n            }\n            input = input ? createLocal(input).utcOffset() : 0;\n\n            return (this.utcOffset() - input) % 60 === 0;\n        }\n\n        function isDaylightSavingTime () {\n            return (\n                this.utcOffset() > this.clone().month(0).utcOffset() ||\n                this.utcOffset() > this.clone().month(5).utcOffset()\n            );\n        }\n\n        function isDaylightSavingTimeShifted () {\n            if (!isUndefined(this._isDSTShifted)) {\n                return this._isDSTShifted;\n            }\n\n            var c = {};\n\n            copyConfig(c, this);\n            c = prepareConfig(c);\n\n            if (c._a) {\n                var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);\n                this._isDSTShifted = this.isValid() &&\n                    compareArrays(c._a, other.toArray()) > 0;\n            } else {\n                this._isDSTShifted = false;\n            }\n\n            return this._isDSTShifted;\n        }\n\n        function isLocal () {\n            return this.isValid() ? !this._isUTC : false;\n        }\n\n        function isUtcOffset () {\n            return this.isValid() ? this._isUTC : false;\n        }\n\n        function isUtc () {\n            return this.isValid() ? this._isUTC && this._offset === 0 : false;\n        }\n\n// ASP.NET json date format regex\n        var aspNetRegex = /^(\\-)?(?:(\\d*)[. ])?(\\d+)\\:(\\d+)(?:\\:(\\d+)(\\.\\d*)?)?$/;\n\n// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n// and further modified to allow for strings containing both week and day\n        var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;\n\n        function createDuration (input, key) {\n            var duration = input,\n                // matching against regexp is expensive, do it on demand\n                match = null,\n                sign,\n                ret,\n                diffRes;\n\n            if (isDuration(input)) {\n                duration = {\n                    ms : input._milliseconds,\n                    d  : input._days,\n                    M  : input._months\n                };\n            } else if (isNumber(input)) {\n                duration = {};\n                if (key) {\n                    duration[key] = input;\n                } else {\n                    duration.milliseconds = input;\n                }\n            } else if (!!(match = aspNetRegex.exec(input))) {\n                sign = (match[1] === '-') ? -1 : 1;\n                duration = {\n                    y  : 0,\n                    d  : toInt(match[DATE])                         * sign,\n                    h  : toInt(match[HOUR])                         * sign,\n                    m  : toInt(match[MINUTE])                       * sign,\n                    s  : toInt(match[SECOND])                       * sign,\n                    ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match\n                };\n            } else if (!!(match = isoRegex.exec(input))) {\n                sign = (match[1] === '-') ? -1 : 1;\n                duration = {\n                    y : parseIso(match[2], sign),\n                    M : parseIso(match[3], sign),\n                    w : parseIso(match[4], sign),\n                    d : parseIso(match[5], sign),\n                    h : parseIso(match[6], sign),\n                    m : parseIso(match[7], sign),\n                    s : parseIso(match[8], sign)\n                };\n            } else if (duration == null) {// checks for null or undefined\n                duration = {};\n            } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {\n                diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));\n\n                duration = {};\n                duration.ms = diffRes.milliseconds;\n                duration.M = diffRes.months;\n            }\n\n            ret = new Duration(duration);\n\n            if (isDuration(input) && hasOwnProp(input, '_locale')) {\n                ret._locale = input._locale;\n            }\n\n            return ret;\n        }\n\n        createDuration.fn = Duration.prototype;\n        createDuration.invalid = createInvalid$1;\n\n        function parseIso (inp, sign) {\n            // We'd normally use ~~inp for this, but unfortunately it also\n            // converts floats to ints.\n            // inp may be undefined, so careful calling replace on it.\n            var res = inp && parseFloat(inp.replace(',', '.'));\n            // apply sign while we're at it\n            return (isNaN(res) ? 0 : res) * sign;\n        }\n\n        function positiveMomentsDifference(base, other) {\n            var res = {milliseconds: 0, months: 0};\n\n            res.months = other.month() - base.month() +\n                (other.year() - base.year()) * 12;\n            if (base.clone().add(res.months, 'M').isAfter(other)) {\n                --res.months;\n            }\n\n            res.milliseconds = +other - +(base.clone().add(res.months, 'M'));\n\n            return res;\n        }\n\n        function momentsDifference(base, other) {\n            var res;\n            if (!(base.isValid() && other.isValid())) {\n                return {milliseconds: 0, months: 0};\n            }\n\n            other = cloneWithOffset(other, base);\n            if (base.isBefore(other)) {\n                res = positiveMomentsDifference(base, other);\n            } else {\n                res = positiveMomentsDifference(other, base);\n                res.milliseconds = -res.milliseconds;\n                res.months = -res.months;\n            }\n\n            return res;\n        }\n\n// TODO: remove 'name' arg after deprecation is removed\n        function createAdder(direction, name) {\n            return function (val, period) {\n                var dur, tmp;\n                //invert the arguments, but complain about it\n                if (period !== null && !isNaN(+period)) {\n                    deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +\n                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');\n                    tmp = val; val = period; period = tmp;\n                }\n\n                val = typeof val === 'string' ? +val : val;\n                dur = createDuration(val, period);\n                addSubtract(this, dur, direction);\n                return this;\n            };\n        }\n\n        function addSubtract (mom, duration, isAdding, updateOffset) {\n            var milliseconds = duration._milliseconds,\n                days = absRound(duration._days),\n                months = absRound(duration._months);\n\n            if (!mom.isValid()) {\n                // No op\n                return;\n            }\n\n            updateOffset = updateOffset == null ? true : updateOffset;\n\n            if (milliseconds) {\n                mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);\n            }\n            if (days) {\n                set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);\n            }\n            if (months) {\n                setMonth(mom, get(mom, 'Month') + months * isAdding);\n            }\n            if (updateOffset) {\n                hooks.updateOffset(mom, days || months);\n            }\n        }\n\n        var add      = createAdder(1, 'add');\n        var subtract = createAdder(-1, 'subtract');\n\n        function getCalendarFormat(myMoment, now) {\n            var diff = myMoment.diff(now, 'days', true);\n            return diff < -6 ? 'sameElse' :\n                diff < -1 ? 'lastWeek' :\n                    diff < 0 ? 'lastDay' :\n                        diff < 1 ? 'sameDay' :\n                            diff < 2 ? 'nextDay' :\n                                diff < 7 ? 'nextWeek' : 'sameElse';\n        }\n\n        function calendar$1 (time, formats) {\n            // We want to compare the start of today, vs this.\n            // Getting start-of-today depends on whether we're local/utc/offset or not.\n            var now = time || createLocal(),\n                sod = cloneWithOffset(now, this).startOf('day'),\n                format = hooks.calendarFormat(this, sod) || 'sameElse';\n\n            var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);\n\n            return this.format(output || this.localeData().calendar(format, this, createLocal(now)));\n        }\n\n        function clone () {\n            return new Moment(this);\n        }\n\n        function isAfter (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input);\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() > localInput.valueOf();\n            } else {\n                return localInput.valueOf() < this.clone().startOf(units).valueOf();\n            }\n        }\n\n        function isBefore (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input);\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() < localInput.valueOf();\n            } else {\n                return this.clone().endOf(units).valueOf() < localInput.valueOf();\n            }\n        }\n\n        function isBetween (from, to, units, inclusivity) {\n            inclusivity = inclusivity || '()';\n            return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&\n                (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));\n        }\n\n        function isSame (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input),\n                inputMs;\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(units || 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() === localInput.valueOf();\n            } else {\n                inputMs = localInput.valueOf();\n                return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();\n            }\n        }\n\n        function isSameOrAfter (input, units) {\n            return this.isSame(input, units) || this.isAfter(input,units);\n        }\n\n        function isSameOrBefore (input, units) {\n            return this.isSame(input, units) || this.isBefore(input,units);\n        }\n\n        function diff (input, units, asFloat) {\n            var that,\n                zoneDelta,\n                delta, output;\n\n            if (!this.isValid()) {\n                return NaN;\n            }\n\n            that = cloneWithOffset(input, this);\n\n            if (!that.isValid()) {\n                return NaN;\n            }\n\n            zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;\n\n            units = normalizeUnits(units);\n\n            if (units === 'year' || units === 'month' || units === 'quarter') {\n                output = monthDiff(this, that);\n                if (units === 'quarter') {\n                    output = output / 3;\n                } else if (units === 'year') {\n                    output = output / 12;\n                }\n            } else {\n                delta = this - that;\n                output = units === 'second' ? delta / 1e3 : // 1000\n                    units === 'minute' ? delta / 6e4 : // 1000 * 60\n                        units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60\n                            units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst\n                                units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst\n                                    delta;\n            }\n            return asFloat ? output : absFloor(output);\n        }\n\n        function monthDiff (a, b) {\n            // difference in months\n            var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),\n                // b is in (anchor - 1 month, anchor + 1 month)\n                anchor = a.clone().add(wholeMonthDiff, 'months'),\n                anchor2, adjust;\n\n            if (b - anchor < 0) {\n                anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');\n                // linear across the month\n                adjust = (b - anchor) / (anchor - anchor2);\n            } else {\n                anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');\n                // linear across the month\n                adjust = (b - anchor) / (anchor2 - anchor);\n            }\n\n            //check for negative zero, return zero if negative zero\n            return -(wholeMonthDiff + adjust) || 0;\n        }\n\n        hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\n        hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';\n\n        function toString () {\n            return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n        }\n\n        function toISOString() {\n            if (!this.isValid()) {\n                return null;\n            }\n            var m = this.clone().utc();\n            if (m.year() < 0 || m.year() > 9999) {\n                return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n            }\n            if (isFunction(Date.prototype.toISOString)) {\n                // native implementation is ~50x faster, use it when we can\n                return this.toDate().toISOString();\n            }\n            return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n        }\n\n        /**\n         * Return a human readable representation of a moment that can\n         * also be evaluated to get a new moment which is the same\n         *\n         * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects\n         */\n        function inspect () {\n            if (!this.isValid()) {\n                return 'moment.invalid(/* ' + this._i + ' */)';\n            }\n            var func = 'moment';\n            var zone = '';\n            if (!this.isLocal()) {\n                func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';\n                zone = 'Z';\n            }\n            var prefix = '[' + func + '(\"]';\n            var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';\n            var datetime = '-MM-DD[T]HH:mm:ss.SSS';\n            var suffix = zone + '[\")]';\n\n            return this.format(prefix + year + datetime + suffix);\n        }\n\n        function format (inputString) {\n            if (!inputString) {\n                inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;\n            }\n            var output = formatMoment(this, inputString);\n            return this.localeData().postformat(output);\n        }\n\n        function from (time, withoutSuffix) {\n            if (this.isValid() &&\n                ((isMoment(time) && time.isValid()) ||\n                createLocal(time).isValid())) {\n                return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);\n            } else {\n                return this.localeData().invalidDate();\n            }\n        }\n\n        function fromNow (withoutSuffix) {\n            return this.from(createLocal(), withoutSuffix);\n        }\n\n        function to (time, withoutSuffix) {\n            if (this.isValid() &&\n                ((isMoment(time) && time.isValid()) ||\n                createLocal(time).isValid())) {\n                return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);\n            } else {\n                return this.localeData().invalidDate();\n            }\n        }\n\n        function toNow (withoutSuffix) {\n            return this.to(createLocal(), withoutSuffix);\n        }\n\n// If passed a locale key, it will set the locale for this\n// instance.  Otherwise, it will return the locale configuration\n// variables for this instance.\n        function locale (key) {\n            var newLocaleData;\n\n            if (key === undefined) {\n                return this._locale._abbr;\n            } else {\n                newLocaleData = getLocale(key);\n                if (newLocaleData != null) {\n                    this._locale = newLocaleData;\n                }\n                return this;\n            }\n        }\n\n        var lang = deprecate(\n            'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',\n            function (key) {\n                if (key === undefined) {\n                    return this.localeData();\n                } else {\n                    return this.locale(key);\n                }\n            }\n        );\n\n        function localeData () {\n            return this._locale;\n        }\n\n        function startOf (units) {\n            units = normalizeUnits(units);\n            // the following switch intentionally omits break keywords\n            // to utilize falling through the cases.\n            switch (units) {\n                case 'year':\n                    this.month(0);\n\t\t\t\t/* falls through */\n                case 'quarter':\n                case 'month':\n                    this.date(1);\n\t\t\t\t/* falls through */\n                case 'week':\n                case 'isoWeek':\n                case 'day':\n                case 'date':\n                    this.hours(0);\n\t\t\t\t/* falls through */\n                case 'hour':\n                    this.minutes(0);\n\t\t\t\t/* falls through */\n                case 'minute':\n                    this.seconds(0);\n\t\t\t\t/* falls through */\n                case 'second':\n                    this.milliseconds(0);\n            }\n\n            // weeks are a special case\n            if (units === 'week') {\n                this.weekday(0);\n            }\n            if (units === 'isoWeek') {\n                this.isoWeekday(1);\n            }\n\n            // quarters are also special\n            if (units === 'quarter') {\n                this.month(Math.floor(this.month() / 3) * 3);\n            }\n\n            return this;\n        }\n\n        function endOf (units) {\n            units = normalizeUnits(units);\n            if (units === undefined || units === 'millisecond') {\n                return this;\n            }\n\n            // 'date' is an alias for 'day', so it should be considered as such.\n            if (units === 'date') {\n                units = 'day';\n            }\n\n            return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');\n        }\n\n        function valueOf () {\n            return this._d.valueOf() - ((this._offset || 0) * 60000);\n        }\n\n        function unix () {\n            return Math.floor(this.valueOf() / 1000);\n        }\n\n        function toDate () {\n            return new Date(this.valueOf());\n        }\n\n        function toArray () {\n            var m = this;\n            return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];\n        }\n\n        function toObject () {\n            var m = this;\n            return {\n                years: m.year(),\n                months: m.month(),\n                date: m.date(),\n                hours: m.hours(),\n                minutes: m.minutes(),\n                seconds: m.seconds(),\n                milliseconds: m.milliseconds()\n            };\n        }\n\n        function toJSON () {\n            // new Date(NaN).toJSON() === null\n            return this.isValid() ? this.toISOString() : null;\n        }\n\n        function isValid$2 () {\n            return isValid(this);\n        }\n\n        function parsingFlags () {\n            return extend({}, getParsingFlags(this));\n        }\n\n        function invalidAt () {\n            return getParsingFlags(this).overflow;\n        }\n\n        function creationData() {\n            return {\n                input: this._i,\n                format: this._f,\n                locale: this._locale,\n                isUTC: this._isUTC,\n                strict: this._strict\n            };\n        }\n\n// FORMATTING\n\n        addFormatToken(0, ['gg', 2], 0, function () {\n            return this.weekYear() % 100;\n        });\n\n        addFormatToken(0, ['GG', 2], 0, function () {\n            return this.isoWeekYear() % 100;\n        });\n\n        function addWeekYearFormatToken (token, getter) {\n            addFormatToken(0, [token, token.length], 0, getter);\n        }\n\n        addWeekYearFormatToken('gggg',     'weekYear');\n        addWeekYearFormatToken('ggggg',    'weekYear');\n        addWeekYearFormatToken('GGGG',  'isoWeekYear');\n        addWeekYearFormatToken('GGGGG', 'isoWeekYear');\n\n// ALIASES\n\n        addUnitAlias('weekYear', 'gg');\n        addUnitAlias('isoWeekYear', 'GG');\n\n// PRIORITY\n\n        addUnitPriority('weekYear', 1);\n        addUnitPriority('isoWeekYear', 1);\n\n\n// PARSING\n\n        addRegexToken('G',      matchSigned);\n        addRegexToken('g',      matchSigned);\n        addRegexToken('GG',     match1to2, match2);\n        addRegexToken('gg',     match1to2, match2);\n        addRegexToken('GGGG',   match1to4, match4);\n        addRegexToken('gggg',   match1to4, match4);\n        addRegexToken('GGGGG',  match1to6, match6);\n        addRegexToken('ggggg',  match1to6, match6);\n\n        addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {\n            week[token.substr(0, 2)] = toInt(input);\n        });\n\n        addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {\n            week[token] = hooks.parseTwoDigitYear(input);\n        });\n\n// MOMENTS\n\n        function getSetWeekYear (input) {\n            return getSetWeekYearHelper.call(this,\n                input,\n                this.week(),\n                this.weekday(),\n                this.localeData()._week.dow,\n                this.localeData()._week.doy);\n        }\n\n        function getSetISOWeekYear (input) {\n            return getSetWeekYearHelper.call(this,\n                input, this.isoWeek(), this.isoWeekday(), 1, 4);\n        }\n\n        function getISOWeeksInYear () {\n            return weeksInYear(this.year(), 1, 4);\n        }\n\n        function getWeeksInYear () {\n            var weekInfo = this.localeData()._week;\n            return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);\n        }\n\n        function getSetWeekYearHelper(input, week, weekday, dow, doy) {\n            var weeksTarget;\n            if (input == null) {\n                return weekOfYear(this, dow, doy).year;\n            } else {\n                weeksTarget = weeksInYear(input, dow, doy);\n                if (week > weeksTarget) {\n                    week = weeksTarget;\n                }\n                return setWeekAll.call(this, input, week, weekday, dow, doy);\n            }\n        }\n\n        function setWeekAll(weekYear, week, weekday, dow, doy) {\n            var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),\n                date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);\n\n            this.year(date.getUTCFullYear());\n            this.month(date.getUTCMonth());\n            this.date(date.getUTCDate());\n            return this;\n        }\n\n// FORMATTING\n\n        addFormatToken('Q', 0, 'Qo', 'quarter');\n\n// ALIASES\n\n        addUnitAlias('quarter', 'Q');\n\n// PRIORITY\n\n        addUnitPriority('quarter', 7);\n\n// PARSING\n\n        addRegexToken('Q', match1);\n        addParseToken('Q', function (input, array) {\n            array[MONTH] = (toInt(input) - 1) * 3;\n        });\n\n// MOMENTS\n\n        function getSetQuarter (input) {\n            return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);\n        }\n\n// FORMATTING\n\n        addFormatToken('D', ['DD', 2], 'Do', 'date');\n\n// ALIASES\n\n        addUnitAlias('date', 'D');\n\n// PRIOROITY\n        addUnitPriority('date', 9);\n\n// PARSING\n\n        addRegexToken('D',  match1to2);\n        addRegexToken('DD', match1to2, match2);\n        addRegexToken('Do', function (isStrict, locale) {\n            // TODO: Remove \"ordinalParse\" fallback in next major release.\n            return isStrict ?\n                (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :\n                locale._dayOfMonthOrdinalParseLenient;\n        });\n\n        addParseToken(['D', 'DD'], DATE);\n        addParseToken('Do', function (input, array) {\n            array[DATE] = toInt(input.match(match1to2)[0], 10);\n        });\n\n// MOMENTS\n\n        var getSetDayOfMonth = makeGetSet('Date', true);\n\n// FORMATTING\n\n        addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');\n\n// ALIASES\n\n        addUnitAlias('dayOfYear', 'DDD');\n\n// PRIORITY\n        addUnitPriority('dayOfYear', 4);\n\n// PARSING\n\n        addRegexToken('DDD',  match1to3);\n        addRegexToken('DDDD', match3);\n        addParseToken(['DDD', 'DDDD'], function (input, array, config) {\n            config._dayOfYear = toInt(input);\n        });\n\n// HELPERS\n\n// MOMENTS\n\n        function getSetDayOfYear (input) {\n            var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;\n            return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');\n        }\n\n// FORMATTING\n\n        addFormatToken('m', ['mm', 2], 0, 'minute');\n\n// ALIASES\n\n        addUnitAlias('minute', 'm');\n\n// PRIORITY\n\n        addUnitPriority('minute', 14);\n\n// PARSING\n\n        addRegexToken('m',  match1to2);\n        addRegexToken('mm', match1to2, match2);\n        addParseToken(['m', 'mm'], MINUTE);\n\n// MOMENTS\n\n        var getSetMinute = makeGetSet('Minutes', false);\n\n// FORMATTING\n\n        addFormatToken('s', ['ss', 2], 0, 'second');\n\n// ALIASES\n\n        addUnitAlias('second', 's');\n\n// PRIORITY\n\n        addUnitPriority('second', 15);\n\n// PARSING\n\n        addRegexToken('s',  match1to2);\n        addRegexToken('ss', match1to2, match2);\n        addParseToken(['s', 'ss'], SECOND);\n\n// MOMENTS\n\n        var getSetSecond = makeGetSet('Seconds', false);\n\n// FORMATTING\n\n        addFormatToken('S', 0, 0, function () {\n            return ~~(this.millisecond() / 100);\n        });\n\n        addFormatToken(0, ['SS', 2], 0, function () {\n            return ~~(this.millisecond() / 10);\n        });\n\n        addFormatToken(0, ['SSS', 3], 0, 'millisecond');\n        addFormatToken(0, ['SSSS', 4], 0, function () {\n            return this.millisecond() * 10;\n        });\n        addFormatToken(0, ['SSSSS', 5], 0, function () {\n            return this.millisecond() * 100;\n        });\n        addFormatToken(0, ['SSSSSS', 6], 0, function () {\n            return this.millisecond() * 1000;\n        });\n        addFormatToken(0, ['SSSSSSS', 7], 0, function () {\n            return this.millisecond() * 10000;\n        });\n        addFormatToken(0, ['SSSSSSSS', 8], 0, function () {\n            return this.millisecond() * 100000;\n        });\n        addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {\n            return this.millisecond() * 1000000;\n        });\n\n\n// ALIASES\n\n        addUnitAlias('millisecond', 'ms');\n\n// PRIORITY\n\n        addUnitPriority('millisecond', 16);\n\n// PARSING\n\n        addRegexToken('S',    match1to3, match1);\n        addRegexToken('SS',   match1to3, match2);\n        addRegexToken('SSS',  match1to3, match3);\n\n        var token;\n        for (token = 'SSSS'; token.length <= 9; token += 'S') {\n            addRegexToken(token, matchUnsigned);\n        }\n\n        function parseMs(input, array) {\n            array[MILLISECOND] = toInt(('0.' + input) * 1000);\n        }\n\n        for (token = 'S'; token.length <= 9; token += 'S') {\n            addParseToken(token, parseMs);\n        }\n// MOMENTS\n\n        var getSetMillisecond = makeGetSet('Milliseconds', false);\n\n// FORMATTING\n\n        addFormatToken('z',  0, 0, 'zoneAbbr');\n        addFormatToken('zz', 0, 0, 'zoneName');\n\n// MOMENTS\n\n        function getZoneAbbr () {\n            return this._isUTC ? 'UTC' : '';\n        }\n\n        function getZoneName () {\n            return this._isUTC ? 'Coordinated Universal Time' : '';\n        }\n\n        var proto = Moment.prototype;\n\n        proto.add               = add;\n        proto.calendar          = calendar$1;\n        proto.clone             = clone;\n        proto.diff              = diff;\n        proto.endOf             = endOf;\n        proto.format            = format;\n        proto.from              = from;\n        proto.fromNow           = fromNow;\n        proto.to                = to;\n        proto.toNow             = toNow;\n        proto.get               = stringGet;\n        proto.invalidAt         = invalidAt;\n        proto.isAfter           = isAfter;\n        proto.isBefore          = isBefore;\n        proto.isBetween         = isBetween;\n        proto.isSame            = isSame;\n        proto.isSameOrAfter     = isSameOrAfter;\n        proto.isSameOrBefore    = isSameOrBefore;\n        proto.isValid           = isValid$2;\n        proto.lang              = lang;\n        proto.locale            = locale;\n        proto.localeData        = localeData;\n        proto.max               = prototypeMax;\n        proto.min               = prototypeMin;\n        proto.parsingFlags      = parsingFlags;\n        proto.set               = stringSet;\n        proto.startOf           = startOf;\n        proto.subtract          = subtract;\n        proto.toArray           = toArray;\n        proto.toObject          = toObject;\n        proto.toDate            = toDate;\n        proto.toISOString       = toISOString;\n        proto.inspect           = inspect;\n        proto.toJSON            = toJSON;\n        proto.toString          = toString;\n        proto.unix              = unix;\n        proto.valueOf           = valueOf;\n        proto.creationData      = creationData;\n\n// Year\n        proto.year       = getSetYear;\n        proto.isLeapYear = getIsLeapYear;\n\n// Week Year\n        proto.weekYear    = getSetWeekYear;\n        proto.isoWeekYear = getSetISOWeekYear;\n\n// Quarter\n        proto.quarter = proto.quarters = getSetQuarter;\n\n// Month\n        proto.month       = getSetMonth;\n        proto.daysInMonth = getDaysInMonth;\n\n// Week\n        proto.week           = proto.weeks        = getSetWeek;\n        proto.isoWeek        = proto.isoWeeks     = getSetISOWeek;\n        proto.weeksInYear    = getWeeksInYear;\n        proto.isoWeeksInYear = getISOWeeksInYear;\n\n// Day\n        proto.date       = getSetDayOfMonth;\n        proto.day        = proto.days             = getSetDayOfWeek;\n        proto.weekday    = getSetLocaleDayOfWeek;\n        proto.isoWeekday = getSetISODayOfWeek;\n        proto.dayOfYear  = getSetDayOfYear;\n\n// Hour\n        proto.hour = proto.hours = getSetHour;\n\n// Minute\n        proto.minute = proto.minutes = getSetMinute;\n\n// Second\n        proto.second = proto.seconds = getSetSecond;\n\n// Millisecond\n        proto.millisecond = proto.milliseconds = getSetMillisecond;\n\n// Offset\n        proto.utcOffset            = getSetOffset;\n        proto.utc                  = setOffsetToUTC;\n        proto.local                = setOffsetToLocal;\n        proto.parseZone            = setOffsetToParsedOffset;\n        proto.hasAlignedHourOffset = hasAlignedHourOffset;\n        proto.isDST                = isDaylightSavingTime;\n        proto.isLocal              = isLocal;\n        proto.isUtcOffset          = isUtcOffset;\n        proto.isUtc                = isUtc;\n        proto.isUTC                = isUtc;\n\n// Timezone\n        proto.zoneAbbr = getZoneAbbr;\n        proto.zoneName = getZoneName;\n\n// Deprecations\n        proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);\n        proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);\n        proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);\n        proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);\n        proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);\n\n        function createUnix (input) {\n            return createLocal(input * 1000);\n        }\n\n        function createInZone () {\n            return createLocal.apply(null, arguments).parseZone();\n        }\n\n        function preParsePostFormat (string) {\n            return string;\n        }\n\n        var proto$1 = Locale.prototype;\n\n        proto$1.calendar        = calendar;\n        proto$1.longDateFormat  = longDateFormat;\n        proto$1.invalidDate     = invalidDate;\n        proto$1.ordinal         = ordinal;\n        proto$1.preparse        = preParsePostFormat;\n        proto$1.postformat      = preParsePostFormat;\n        proto$1.relativeTime    = relativeTime;\n        proto$1.pastFuture      = pastFuture;\n        proto$1.set             = set;\n\n// Month\n        proto$1.months            =        localeMonths;\n        proto$1.monthsShort       =        localeMonthsShort;\n        proto$1.monthsParse       =        localeMonthsParse;\n        proto$1.monthsRegex       = monthsRegex;\n        proto$1.monthsShortRegex  = monthsShortRegex;\n\n// Week\n        proto$1.week = localeWeek;\n        proto$1.firstDayOfYear = localeFirstDayOfYear;\n        proto$1.firstDayOfWeek = localeFirstDayOfWeek;\n\n// Day of Week\n        proto$1.weekdays       =        localeWeekdays;\n        proto$1.weekdaysMin    =        localeWeekdaysMin;\n        proto$1.weekdaysShort  =        localeWeekdaysShort;\n        proto$1.weekdaysParse  =        localeWeekdaysParse;\n\n        proto$1.weekdaysRegex       =        weekdaysRegex;\n        proto$1.weekdaysShortRegex  =        weekdaysShortRegex;\n        proto$1.weekdaysMinRegex    =        weekdaysMinRegex;\n\n// Hours\n        proto$1.isPM = localeIsPM;\n        proto$1.meridiem = localeMeridiem;\n\n        function get$1 (format, index, field, setter) {\n            var locale = getLocale();\n            var utc = createUTC().set(setter, index);\n            return locale[field](utc, format);\n        }\n\n        function listMonthsImpl (format, index, field) {\n            if (isNumber(format)) {\n                index = format;\n                format = undefined;\n            }\n\n            format = format || '';\n\n            if (index != null) {\n                return get$1(format, index, field, 'month');\n            }\n\n            var i;\n            var out = [];\n            for (i = 0; i < 12; i++) {\n                out[i] = get$1(format, i, field, 'month');\n            }\n            return out;\n        }\n\n// ()\n// (5)\n// (fmt, 5)\n// (fmt)\n// (true)\n// (true, 5)\n// (true, fmt, 5)\n// (true, fmt)\n        function listWeekdaysImpl (localeSorted, format, index, field) {\n            if (typeof localeSorted === 'boolean') {\n                if (isNumber(format)) {\n                    index = format;\n                    format = undefined;\n                }\n\n                format = format || '';\n            } else {\n                format = localeSorted;\n                index = format;\n                localeSorted = false;\n\n                if (isNumber(format)) {\n                    index = format;\n                    format = undefined;\n                }\n\n                format = format || '';\n            }\n\n            var locale = getLocale(),\n                shift = localeSorted ? locale._week.dow : 0;\n\n            if (index != null) {\n                return get$1(format, (index + shift) % 7, field, 'day');\n            }\n\n            var i;\n            var out = [];\n            for (i = 0; i < 7; i++) {\n                out[i] = get$1(format, (i + shift) % 7, field, 'day');\n            }\n            return out;\n        }\n\n        function listMonths (format, index) {\n            return listMonthsImpl(format, index, 'months');\n        }\n\n        function listMonthsShort (format, index) {\n            return listMonthsImpl(format, index, 'monthsShort');\n        }\n\n        function listWeekdays (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdays');\n        }\n\n        function listWeekdaysShort (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');\n        }\n\n        function listWeekdaysMin (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');\n        }\n\n        getSetGlobalLocale('en', {\n            dayOfMonthOrdinalParse: /\\d{1,2}(th|st|nd|rd)/,\n            ordinal : function (number) {\n                var b = number % 10,\n                    output = (toInt(number % 100 / 10) === 1) ? 'th' :\n                        (b === 1) ? 'st' :\n                            (b === 2) ? 'nd' :\n                                (b === 3) ? 'rd' : 'th';\n                return number + output;\n            }\n        });\n\n// Side effect imports\n        hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);\n        hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);\n\n        var mathAbs = Math.abs;\n\n        function abs () {\n            var data           = this._data;\n\n            this._milliseconds = mathAbs(this._milliseconds);\n            this._days         = mathAbs(this._days);\n            this._months       = mathAbs(this._months);\n\n            data.milliseconds  = mathAbs(data.milliseconds);\n            data.seconds       = mathAbs(data.seconds);\n            data.minutes       = mathAbs(data.minutes);\n            data.hours         = mathAbs(data.hours);\n            data.months        = mathAbs(data.months);\n            data.years         = mathAbs(data.years);\n\n            return this;\n        }\n\n        function addSubtract$1 (duration, input, value, direction) {\n            var other = createDuration(input, value);\n\n            duration._milliseconds += direction * other._milliseconds;\n            duration._days         += direction * other._days;\n            duration._months       += direction * other._months;\n\n            return duration._bubble();\n        }\n\n// supports only 2.0-style add(1, 's') or add(duration)\n        function add$1 (input, value) {\n            return addSubtract$1(this, input, value, 1);\n        }\n\n// supports only 2.0-style subtract(1, 's') or subtract(duration)\n        function subtract$1 (input, value) {\n            return addSubtract$1(this, input, value, -1);\n        }\n\n        function absCeil (number) {\n            if (number < 0) {\n                return Math.floor(number);\n            } else {\n                return Math.ceil(number);\n            }\n        }\n\n        function bubble () {\n            var milliseconds = this._milliseconds;\n            var days         = this._days;\n            var months       = this._months;\n            var data         = this._data;\n            var seconds, minutes, hours, years, monthsFromDays;\n\n            // if we have a mix of positive and negative values, bubble down first\n            // check: https://github.com/moment/moment/issues/2166\n            if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||\n                (milliseconds <= 0 && days <= 0 && months <= 0))) {\n                milliseconds += absCeil(monthsToDays(months) + days) * 864e5;\n                days = 0;\n                months = 0;\n            }\n\n            // The following code bubbles up values, see the tests for\n            // examples of what that means.\n            data.milliseconds = milliseconds % 1000;\n\n            seconds           = absFloor(milliseconds / 1000);\n            data.seconds      = seconds % 60;\n\n            minutes           = absFloor(seconds / 60);\n            data.minutes      = minutes % 60;\n\n            hours             = absFloor(minutes / 60);\n            data.hours        = hours % 24;\n\n            days += absFloor(hours / 24);\n\n            // convert days to months\n            monthsFromDays = absFloor(daysToMonths(days));\n            months += monthsFromDays;\n            days -= absCeil(monthsToDays(monthsFromDays));\n\n            // 12 months -> 1 year\n            years = absFloor(months / 12);\n            months %= 12;\n\n            data.days   = days;\n            data.months = months;\n            data.years  = years;\n\n            return this;\n        }\n\n        function daysToMonths (days) {\n            // 400 years have 146097 days (taking into account leap year rules)\n            // 400 years have 12 months === 4800\n            return days * 4800 / 146097;\n        }\n\n        function monthsToDays (months) {\n            // the reverse of daysToMonths\n            return months * 146097 / 4800;\n        }\n\n        function as (units) {\n            if (!this.isValid()) {\n                return NaN;\n            }\n            var days;\n            var months;\n            var milliseconds = this._milliseconds;\n\n            units = normalizeUnits(units);\n\n            if (units === 'month' || units === 'year') {\n                days   = this._days   + milliseconds / 864e5;\n                months = this._months + daysToMonths(days);\n                return units === 'month' ? months : months / 12;\n            } else {\n                // handle milliseconds separately because of floating point math errors (issue #1867)\n                days = this._days + Math.round(monthsToDays(this._months));\n                switch (units) {\n                    case 'week'   : return days / 7     + milliseconds / 6048e5;\n                    case 'day'    : return days         + milliseconds / 864e5;\n                    case 'hour'   : return days * 24    + milliseconds / 36e5;\n                    case 'minute' : return days * 1440  + milliseconds / 6e4;\n                    case 'second' : return days * 86400 + milliseconds / 1000;\n                    // Math.floor prevents floating point math errors here\n                    case 'millisecond': return Math.floor(days * 864e5) + milliseconds;\n                    default: throw new Error('Unknown unit ' + units);\n                }\n            }\n        }\n\n// TODO: Use this.as('ms')?\n        function valueOf$1 () {\n            if (!this.isValid()) {\n                return NaN;\n            }\n            return (\n                this._milliseconds +\n                this._days * 864e5 +\n                (this._months % 12) * 2592e6 +\n                toInt(this._months / 12) * 31536e6\n            );\n        }\n\n        function makeAs (alias) {\n            return function () {\n                return this.as(alias);\n            };\n        }\n\n        var asMilliseconds = makeAs('ms');\n        var asSeconds      = makeAs('s');\n        var asMinutes      = makeAs('m');\n        var asHours        = makeAs('h');\n        var asDays         = makeAs('d');\n        var asWeeks        = makeAs('w');\n        var asMonths       = makeAs('M');\n        var asYears        = makeAs('y');\n\n        function get$2 (units) {\n            units = normalizeUnits(units);\n            return this.isValid() ? this[units + 's']() : NaN;\n        }\n\n        function makeGetter(name) {\n            return function () {\n                return this.isValid() ? this._data[name] : NaN;\n            };\n        }\n\n        var milliseconds = makeGetter('milliseconds');\n        var seconds      = makeGetter('seconds');\n        var minutes      = makeGetter('minutes');\n        var hours        = makeGetter('hours');\n        var days         = makeGetter('days');\n        var months       = makeGetter('months');\n        var years        = makeGetter('years');\n\n        function weeks () {\n            return absFloor(this.days() / 7);\n        }\n\n        var round = Math.round;\n        var thresholds = {\n            ss: 44,         // a few seconds to seconds\n            s : 45,         // seconds to minute\n            m : 45,         // minutes to hour\n            h : 22,         // hours to day\n            d : 26,         // days to month\n            M : 11          // months to year\n        };\n\n// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize\n        function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {\n            return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);\n        }\n\n        function relativeTime$1 (posNegDuration, withoutSuffix, locale) {\n            var duration = createDuration(posNegDuration).abs();\n            var seconds  = round(duration.as('s'));\n            var minutes  = round(duration.as('m'));\n            var hours    = round(duration.as('h'));\n            var days     = round(duration.as('d'));\n            var months   = round(duration.as('M'));\n            var years    = round(duration.as('y'));\n\n            var a = seconds <= thresholds.ss && ['s', seconds]  ||\n                seconds < thresholds.s   && ['ss', seconds] ||\n                minutes <= 1             && ['m']           ||\n                minutes < thresholds.m   && ['mm', minutes] ||\n                hours   <= 1             && ['h']           ||\n                hours   < thresholds.h   && ['hh', hours]   ||\n                days    <= 1             && ['d']           ||\n                days    < thresholds.d   && ['dd', days]    ||\n                months  <= 1             && ['M']           ||\n                months  < thresholds.M   && ['MM', months]  ||\n                years   <= 1             && ['y']           || ['yy', years];\n\n            a[2] = withoutSuffix;\n            a[3] = +posNegDuration > 0;\n            a[4] = locale;\n            return substituteTimeAgo.apply(null, a);\n        }\n\n// This function allows you to set the rounding function for relative time strings\n        function getSetRelativeTimeRounding (roundingFunction) {\n            if (roundingFunction === undefined) {\n                return round;\n            }\n            if (typeof(roundingFunction) === 'function') {\n                round = roundingFunction;\n                return true;\n            }\n            return false;\n        }\n\n// This function allows you to set a threshold for relative time strings\n        function getSetRelativeTimeThreshold (threshold, limit) {\n            if (thresholds[threshold] === undefined) {\n                return false;\n            }\n            if (limit === undefined) {\n                return thresholds[threshold];\n            }\n            thresholds[threshold] = limit;\n            if (threshold === 's') {\n                thresholds.ss = limit - 1;\n            }\n            return true;\n        }\n\n        function humanize (withSuffix) {\n            if (!this.isValid()) {\n                return this.localeData().invalidDate();\n            }\n\n            var locale = this.localeData();\n            var output = relativeTime$1(this, !withSuffix, locale);\n\n            if (withSuffix) {\n                output = locale.pastFuture(+this, output);\n            }\n\n            return locale.postformat(output);\n        }\n\n        var abs$1 = Math.abs;\n\n        function toISOString$1() {\n            // for ISO strings we do not use the normal bubbling rules:\n            //  * milliseconds bubble up until they become hours\n            //  * days do not bubble at all\n            //  * months bubble up until they become years\n            // This is because there is no context-free conversion between hours and days\n            // (think of clock changes)\n            // and also not between days and months (28-31 days per month)\n            if (!this.isValid()) {\n                return this.localeData().invalidDate();\n            }\n\n            var seconds = abs$1(this._milliseconds) / 1000;\n            var days         = abs$1(this._days);\n            var months       = abs$1(this._months);\n            var minutes, hours, years;\n\n            // 3600 seconds -> 60 minutes -> 1 hour\n            minutes           = absFloor(seconds / 60);\n            hours             = absFloor(minutes / 60);\n            seconds %= 60;\n            minutes %= 60;\n\n            // 12 months -> 1 year\n            years  = absFloor(months / 12);\n            months %= 12;\n\n\n            // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js\n            var Y = years;\n            var M = months;\n            var D = days;\n            var h = hours;\n            var m = minutes;\n            var s = seconds;\n            var total = this.asSeconds();\n\n            if (!total) {\n                // this is the same as C#'s (Noda) and python (isodate)...\n                // but not other JS (goog.date)\n                return 'P0D';\n            }\n\n            return (total < 0 ? '-' : '') +\n                'P' +\n                (Y ? Y + 'Y' : '') +\n                (M ? M + 'M' : '') +\n                (D ? D + 'D' : '') +\n                ((h || m || s) ? 'T' : '') +\n                (h ? h + 'H' : '') +\n                (m ? m + 'M' : '') +\n                (s ? s + 'S' : '');\n        }\n\n        var proto$2 = Duration.prototype;\n\n        proto$2.isValid        = isValid$1;\n        proto$2.abs            = abs;\n        proto$2.add            = add$1;\n        proto$2.subtract       = subtract$1;\n        proto$2.as             = as;\n        proto$2.asMilliseconds = asMilliseconds;\n        proto$2.asSeconds      = asSeconds;\n        proto$2.asMinutes      = asMinutes;\n        proto$2.asHours        = asHours;\n        proto$2.asDays         = asDays;\n        proto$2.asWeeks        = asWeeks;\n        proto$2.asMonths       = asMonths;\n        proto$2.asYears        = asYears;\n        proto$2.valueOf        = valueOf$1;\n        proto$2._bubble        = bubble;\n        proto$2.get            = get$2;\n        proto$2.milliseconds   = milliseconds;\n        proto$2.seconds        = seconds;\n        proto$2.minutes        = minutes;\n        proto$2.hours          = hours;\n        proto$2.days           = days;\n        proto$2.weeks          = weeks;\n        proto$2.months         = months;\n        proto$2.years          = years;\n        proto$2.humanize       = humanize;\n        proto$2.toISOString    = toISOString$1;\n        proto$2.toString       = toISOString$1;\n        proto$2.toJSON         = toISOString$1;\n        proto$2.locale         = locale;\n        proto$2.localeData     = localeData;\n\n// Deprecations\n        proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);\n        proto$2.lang = lang;\n\n// Side effect imports\n\n// FORMATTING\n\n        addFormatToken('X', 0, 0, 'unix');\n        addFormatToken('x', 0, 0, 'valueOf');\n\n// PARSING\n\n        addRegexToken('x', matchSigned);\n        addRegexToken('X', matchTimestamp);\n        addParseToken('X', function (input, array, config) {\n            config._d = new Date(parseFloat(input, 10) * 1000);\n        });\n        addParseToken('x', function (input, array, config) {\n            config._d = new Date(toInt(input));\n        });\n\n// Side effect imports\n\n\n        hooks.version = '2.18.1';\n\n        setHookCallback(createLocal);\n\n        hooks.fn                    = proto;\n        hooks.min                   = min;\n        hooks.max                   = max;\n        hooks.now                   = now;\n        hooks.utc                   = createUTC;\n        hooks.unix                  = createUnix;\n        hooks.months                = listMonths;\n        hooks.isDate                = isDate;\n        hooks.locale                = getSetGlobalLocale;\n        hooks.invalid               = createInvalid;\n        hooks.duration              = createDuration;\n        hooks.isMoment              = isMoment;\n        hooks.weekdays              = listWeekdays;\n        hooks.parseZone             = createInZone;\n        hooks.localeData            = getLocale;\n        hooks.isDuration            = isDuration;\n        hooks.monthsShort           = listMonthsShort;\n        hooks.weekdaysMin           = listWeekdaysMin;\n        hooks.defineLocale          = defineLocale;\n        hooks.updateLocale          = updateLocale;\n        hooks.locales               = listLocales;\n        hooks.weekdaysShort         = listWeekdaysShort;\n        hooks.normalizeUnits        = normalizeUnits;\n        hooks.relativeTimeRounding = getSetRelativeTimeRounding;\n        hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;\n        hooks.calendarFormat        = getCalendarFormat;\n        hooks.prototype             = proto;\n\n        return hooks;\n\n    })));\n\n},{}],7:[function(require,module,exports){\n    /**\n     * @namespace Chart\n     */\n    var Chart = require(29)();\n\n    Chart.helpers = require(45);\n\n// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!\n    require(27)(Chart);\n\n    Chart.defaults = require(25);\n    Chart.Element = require(26);\n    Chart.elements = require(40);\n    Chart.Interaction = require(28);\n    Chart.platform = require(48);\n\n    require(31)(Chart);\n    require(22)(Chart);\n    require(23)(Chart);\n    require(24)(Chart);\n    require(30)(Chart);\n    require(33)(Chart);\n    require(32)(Chart);\n    require(35)(Chart);\n\n    require(54)(Chart);\n    require(52)(Chart);\n    require(53)(Chart);\n    require(55)(Chart);\n    require(56)(Chart);\n    require(57)(Chart);\n\n// Controllers must be loaded after elements\n// See Chart.core.datasetController.dataElementType\n    require(15)(Chart);\n    require(16)(Chart);\n    require(17)(Chart);\n    require(18)(Chart);\n    require(19)(Chart);\n    require(20)(Chart);\n    require(21)(Chart);\n\n    require(8)(Chart);\n    require(9)(Chart);\n    require(10)(Chart);\n    require(11)(Chart);\n    require(12)(Chart);\n    require(13)(Chart);\n    require(14)(Chart);\n\n// Loading built-it plugins\n    var plugins = [];\n\n    plugins.push(\n        require(49)(Chart),\n        require(50)(Chart),\n        require(51)(Chart)\n    );\n\n    Chart.plugins.register(plugins);\n\n    Chart.platform.initialize();\n\n    module.exports = Chart;\n    if (typeof window !== 'undefined') {\n        window.Chart = Chart;\n    }\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas instead.\n     * @namespace Chart.canvasHelpers\n     * @deprecated since version 2.6.0\n     * @todo remove at version 3\n     * @private\n     */\n    Chart.canvasHelpers = Chart.helpers.canvas;\n\n},{\"10\":10,\"11\":11,\"12\":12,\"13\":13,\"14\":14,\"15\":15,\"16\":16,\"17\":17,\"18\":18,\"19\":19,\"20\":20,\"21\":21,\"22\":22,\"23\":23,\"24\":24,\"25\":25,\"26\":26,\"27\":27,\"28\":28,\"29\":29,\"30\":30,\"31\":31,\"32\":32,\"33\":33,\"35\":35,\"40\":40,\"45\":45,\"48\":48,\"49\":49,\"50\":50,\"51\":51,\"52\":52,\"53\":53,\"54\":54,\"55\":55,\"56\":56,\"57\":57,\"8\":8,\"9\":9}],8:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Bar = function(context, config) {\n            config.type = 'bar';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],9:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Bubble = function(context, config) {\n            config.type = 'bubble';\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],10:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Doughnut = function(context, config) {\n            config.type = 'doughnut';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],11:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Line = function(context, config) {\n            config.type = 'line';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],12:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.PolarArea = function(context, config) {\n            config.type = 'polarArea';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],13:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Radar = function(context, config) {\n            config.type = 'radar';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],14:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n        Chart.Scatter = function(context, config) {\n            config.type = 'scatter';\n            return new Chart(context, config);\n        };\n    };\n\n},{}],15:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('bar', {\n        hover: {\n            mode: 'label'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'category',\n\n                // Specific to Bar Controller\n                categoryPercentage: 0.8,\n                barPercentage: 0.9,\n\n                // offset settings\n                offset: true,\n\n                // grid line settings\n                gridLines: {\n                    offsetGridLines: true\n                }\n            }],\n\n            yAxes: [{\n                type: 'linear'\n            }]\n        }\n    });\n\n    defaults._set('horizontalBar', {\n        hover: {\n            mode: 'index',\n            axis: 'y'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'linear',\n                position: 'bottom'\n            }],\n\n            yAxes: [{\n                position: 'left',\n                type: 'category',\n\n                // Specific to Horizontal Bar Controller\n                categoryPercentage: 0.8,\n                barPercentage: 0.9,\n\n                // offset settings\n                offset: true,\n\n                // grid line settings\n                gridLines: {\n                    offsetGridLines: true\n                }\n            }]\n        },\n\n        elements: {\n            rectangle: {\n                borderSkipped: 'left'\n            }\n        },\n\n        tooltips: {\n            callbacks: {\n                title: function(item, data) {\n                    // Pick first xLabel for now\n                    var title = '';\n\n                    if (item.length > 0) {\n                        if (item[0].yLabel) {\n                            title = item[0].yLabel;\n                        } else if (data.labels.length > 0 && item[0].index < data.labels.length) {\n                            title = data.labels[item[0].index];\n                        }\n                    }\n\n                    return title;\n                },\n\n                label: function(item, data) {\n                    var datasetLabel = data.datasets[item.datasetIndex].label || '';\n                    return datasetLabel + ': ' + item.xLabel;\n                }\n            },\n            mode: 'index',\n            axis: 'y'\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.bar = Chart.DatasetController.extend({\n\n            dataElementType: elements.Rectangle,\n\n            initialize: function() {\n                var me = this;\n                var meta;\n\n                Chart.DatasetController.prototype.initialize.apply(me, arguments);\n\n                meta = me.getMeta();\n                meta.stack = me.getDataset().stack;\n                meta.bar = true;\n            },\n\n            update: function(reset) {\n                var me = this;\n                var rects = me.getMeta().data;\n                var i, ilen;\n\n                me._ruler = me.getRuler();\n\n                for (i = 0, ilen = rects.length; i < ilen; ++i) {\n                    me.updateElement(rects[i], i, reset);\n                }\n            },\n\n            updateElement: function(rectangle, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var dataset = me.getDataset();\n                var custom = rectangle.custom || {};\n                var rectangleOptions = chart.options.elements.rectangle;\n\n                rectangle._xScale = me.getScaleForId(meta.xAxisID);\n                rectangle._yScale = me.getScaleForId(meta.yAxisID);\n                rectangle._datasetIndex = me.index;\n                rectangle._index = index;\n\n                rectangle._model = {\n                    datasetLabel: dataset.label,\n                    label: chart.data.labels[index],\n                    borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped,\n                    backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor),\n                    borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor),\n                    borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth)\n                };\n\n                me.updateElementGeometry(rectangle, index, reset);\n\n                rectangle.pivot();\n            },\n\n            /**\n             * @private\n             */\n            updateElementGeometry: function(rectangle, index, reset) {\n                var me = this;\n                var model = rectangle._model;\n                var vscale = me.getValueScale();\n                var base = vscale.getBasePixel();\n                var horizontal = vscale.isHorizontal();\n                var ruler = me._ruler || me.getRuler();\n                var vpixels = me.calculateBarValuePixels(me.index, index);\n                var ipixels = me.calculateBarIndexPixels(me.index, index, ruler);\n\n                model.horizontal = horizontal;\n                model.base = reset ? base : vpixels.base;\n                model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;\n                model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;\n                model.height = horizontal ? ipixels.size : undefined;\n                model.width = horizontal ? undefined : ipixels.size;\n            },\n\n            /**\n             * @private\n             */\n            getValueScaleId: function() {\n                return this.getMeta().yAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getIndexScaleId: function() {\n                return this.getMeta().xAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getValueScale: function() {\n                return this.getScaleForId(this.getValueScaleId());\n            },\n\n            /**\n             * @private\n             */\n            getIndexScale: function() {\n                return this.getScaleForId(this.getIndexScaleId());\n            },\n\n            /**\n             * Returns the effective number of stacks based on groups and bar visibility.\n             * @private\n             */\n            getStackCount: function(last) {\n                var me = this;\n                var chart = me.chart;\n                var scale = me.getIndexScale();\n                var stacked = scale.options.stacked;\n                var ilen = last === undefined ? chart.data.datasets.length : last + 1;\n                var stacks = [];\n                var i, meta;\n\n                for (i = 0; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    if (meta.bar && chart.isDatasetVisible(i) &&\n                        (stacked === false ||\n                        (stacked === true && stacks.indexOf(meta.stack) === -1) ||\n                        (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) {\n                        stacks.push(meta.stack);\n                    }\n                }\n\n                return stacks.length;\n            },\n\n            /**\n             * Returns the stack index for the given dataset based on groups and bar visibility.\n             * @private\n             */\n            getStackIndex: function(datasetIndex) {\n                return this.getStackCount(datasetIndex) - 1;\n            },\n\n            /**\n             * @private\n             */\n            getRuler: function() {\n                var me = this;\n                var scale = me.getIndexScale();\n                var stackCount = me.getStackCount();\n                var datasetIndex = me.index;\n                var pixels = [];\n                var isHorizontal = scale.isHorizontal();\n                var start = isHorizontal ? scale.left : scale.top;\n                var end = start + (isHorizontal ? scale.width : scale.height);\n                var i, ilen;\n\n                for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {\n                    pixels.push(scale.getPixelForValue(null, i, datasetIndex));\n                }\n\n                return {\n                    pixels: pixels,\n                    start: start,\n                    end: end,\n                    stackCount: stackCount,\n                    scale: scale\n                };\n            },\n\n            /**\n             * Note: pixel values are not clamped to the scale area.\n             * @private\n             */\n            calculateBarValuePixels: function(datasetIndex, index) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var scale = me.getValueScale();\n                var datasets = chart.data.datasets;\n                var value = scale.getRightValue(datasets[datasetIndex].data[index]);\n                var stacked = scale.options.stacked;\n                var stack = meta.stack;\n                var start = 0;\n                var i, imeta, ivalue, base, head, size;\n\n                if (stacked || (stacked === undefined && stack !== undefined)) {\n                    for (i = 0; i < datasetIndex; ++i) {\n                        imeta = chart.getDatasetMeta(i);\n\n                        if (imeta.bar &&\n                            imeta.stack === stack &&\n                            imeta.controller.getValueScaleId() === scale.id &&\n                            chart.isDatasetVisible(i)) {\n\n                            ivalue = scale.getRightValue(datasets[i].data[index]);\n                            if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) {\n                                start += ivalue;\n                            }\n                        }\n                    }\n                }\n\n                base = scale.getPixelForValue(start);\n                head = scale.getPixelForValue(start + value);\n                size = (head - base) / 2;\n\n                return {\n                    size: size,\n                    base: base,\n                    head: head,\n                    center: head + size / 2\n                };\n            },\n\n            /**\n             * @private\n             */\n            calculateBarIndexPixels: function(datasetIndex, index, ruler) {\n                var me = this;\n                var options = ruler.scale.options;\n                var stackIndex = me.getStackIndex(datasetIndex);\n                var pixels = ruler.pixels;\n                var base = pixels[index];\n                var length = pixels.length;\n                var start = ruler.start;\n                var end = ruler.end;\n                var leftSampleSize, rightSampleSize, leftCategorySize, rightCategorySize, fullBarSize, size;\n\n                if (length === 1) {\n                    leftSampleSize = base > start ? base - start : end - base;\n                    rightSampleSize = base < end ? end - base : base - start;\n                } else {\n                    if (index > 0) {\n                        leftSampleSize = (base - pixels[index - 1]) / 2;\n                        if (index === length - 1) {\n                            rightSampleSize = leftSampleSize;\n                        }\n                    }\n                    if (index < length - 1) {\n                        rightSampleSize = (pixels[index + 1] - base) / 2;\n                        if (index === 0) {\n                            leftSampleSize = rightSampleSize;\n                        }\n                    }\n                }\n\n                leftCategorySize = leftSampleSize * options.categoryPercentage;\n                rightCategorySize = rightSampleSize * options.categoryPercentage;\n                fullBarSize = (leftCategorySize + rightCategorySize) / ruler.stackCount;\n                size = fullBarSize * options.barPercentage;\n\n                size = Math.min(\n                    helpers.valueOrDefault(options.barThickness, size),\n                    helpers.valueOrDefault(options.maxBarThickness, Infinity));\n\n                base -= leftCategorySize;\n                base += fullBarSize * stackIndex;\n                base += (fullBarSize - size) / 2;\n\n                return {\n                    size: size,\n                    base: base,\n                    head: base + size,\n                    center: base + size / 2\n                };\n            },\n\n            draw: function() {\n                var me = this;\n                var chart = me.chart;\n                var scale = me.getValueScale();\n                var rects = me.getMeta().data;\n                var dataset = me.getDataset();\n                var ilen = rects.length;\n                var i = 0;\n\n                helpers.canvas.clipArea(chart.ctx, chart.chartArea);\n\n                for (; i < ilen; ++i) {\n                    if (!isNaN(scale.getRightValue(dataset.data[i]))) {\n                        rects[i].draw();\n                    }\n                }\n\n                helpers.canvas.unclipArea(chart.ctx);\n            },\n\n            setHoverStyle: function(rectangle) {\n                var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n                var index = rectangle._index;\n                var custom = rectangle.custom || {};\n                var model = rectangle._model;\n\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(rectangle) {\n                var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n                var index = rectangle._index;\n                var custom = rectangle.custom || {};\n                var model = rectangle._model;\n                var rectangleElementOptions = this.chart.options.elements.rectangle;\n\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth);\n            }\n        });\n\n        Chart.controllers.horizontalBar = Chart.controllers.bar.extend({\n            /**\n             * @private\n             */\n            getValueScaleId: function() {\n                return this.getMeta().xAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getIndexScaleId: function() {\n                return this.getMeta().yAxisID;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],16:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('bubble', {\n        hover: {\n            mode: 'single'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'linear', // bubble should probably use a linear scale by default\n                position: 'bottom',\n                id: 'x-axis-0' // need an ID so datasets can reference the scale\n            }],\n            yAxes: [{\n                type: 'linear',\n                position: 'left',\n                id: 'y-axis-0'\n            }]\n        },\n\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    // Title doesn't make sense for scatter since we format the data as a point\n                    return '';\n                },\n                label: function(item, data) {\n                    var datasetLabel = data.datasets[item.datasetIndex].label || '';\n                    var dataPoint = data.datasets[item.datasetIndex].data[item.index];\n                    return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';\n                }\n            }\n        }\n    });\n\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.bubble = Chart.DatasetController.extend({\n            /**\n             * @protected\n             */\n            dataElementType: elements.Point,\n\n            /**\n             * @protected\n             */\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var points = meta.data;\n\n                // Update Points\n                helpers.each(points, function(point, index) {\n                    me.updateElement(point, index, reset);\n                });\n            },\n\n            /**\n             * @protected\n             */\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var custom = point.custom || {};\n                var xScale = me.getScaleForId(meta.xAxisID);\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var options = me._resolveElementOptions(point, index);\n                var data = me.getDataset().data[index];\n                var dsIndex = me.index;\n\n                var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);\n                var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);\n\n                point._xScale = xScale;\n                point._yScale = yScale;\n                point._options = options;\n                point._datasetIndex = dsIndex;\n                point._index = index;\n                point._model = {\n                    backgroundColor: options.backgroundColor,\n                    borderColor: options.borderColor,\n                    borderWidth: options.borderWidth,\n                    hitRadius: options.hitRadius,\n                    pointStyle: options.pointStyle,\n                    radius: reset ? 0 : options.radius,\n                    skip: custom.skip || isNaN(x) || isNaN(y),\n                    x: x,\n                    y: y,\n                };\n\n                point.pivot();\n            },\n\n            /**\n             * @protected\n             */\n            setHoverStyle: function(point) {\n                var model = point._model;\n                var options = point._options;\n\n                model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor));\n                model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor));\n                model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth);\n                model.radius = options.radius + options.hoverRadius;\n            },\n\n            /**\n             * @protected\n             */\n            removeHoverStyle: function(point) {\n                var model = point._model;\n                var options = point._options;\n\n                model.backgroundColor = options.backgroundColor;\n                model.borderColor = options.borderColor;\n                model.borderWidth = options.borderWidth;\n                model.radius = options.radius;\n            },\n\n            /**\n             * @private\n             */\n            _resolveElementOptions: function(point, index) {\n                var me = this;\n                var chart = me.chart;\n                var datasets = chart.data.datasets;\n                var dataset = datasets[me.index];\n                var custom = point.custom || {};\n                var options = chart.options.elements.point;\n                var resolve = helpers.options.resolve;\n                var data = dataset.data[index];\n                var values = {};\n                var i, ilen, key;\n\n                // Scriptable options\n                var context = {\n                    chart: chart,\n                    dataIndex: index,\n                    dataset: dataset,\n                    datasetIndex: me.index\n                };\n\n                var keys = [\n                    'backgroundColor',\n                    'borderColor',\n                    'borderWidth',\n                    'hoverBackgroundColor',\n                    'hoverBorderColor',\n                    'hoverBorderWidth',\n                    'hoverRadius',\n                    'hitRadius',\n                    'pointStyle'\n                ];\n\n                for (i = 0, ilen = keys.length; i < ilen; ++i) {\n                    key = keys[i];\n                    values[key] = resolve([\n                        custom[key],\n                        dataset[key],\n                        options[key]\n                    ], context, index);\n                }\n\n                // Custom radius resolution\n                values.radius = resolve([\n                    custom.radius,\n                    data ? data.r : undefined,\n                    dataset.radius,\n                    options.radius\n                ], context, index);\n\n                return values;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],17:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('doughnut', {\n        animation: {\n            // Boolean - Whether we animate the rotation of the Doughnut\n            animateRotate: true,\n            // Boolean - Whether we animate scaling the Doughnut from the centre\n            animateScale: false\n        },\n        hover: {\n            mode: 'single'\n        },\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n\n            var data = chart.data;\n            var datasets = data.datasets;\n            var labels = data.labels;\n\n            if (datasets.length) {\n                for (var i = 0; i < datasets[0].data.length; ++i) {\n                    text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n                    if (labels[i]) {\n                        text.push(labels[i]);\n                    }\n                    text.push('</li>');\n                }\n            }\n\n            text.push('</ul>');\n            return text.join('');\n        },\n        legend: {\n            labels: {\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    if (data.labels.length && data.datasets.length) {\n                        return data.labels.map(function(label, i) {\n                            var meta = chart.getDatasetMeta(0);\n                            var ds = data.datasets[0];\n                            var arc = meta.data[i];\n                            var custom = arc && arc.custom || {};\n                            var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n                            var arcOpts = chart.options.elements.arc;\n                            var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n                            var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n                            var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n                            return {\n                                text: label,\n                                fillStyle: fill,\n                                strokeStyle: stroke,\n                                lineWidth: bw,\n                                hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n                                // Extra data used for toggling the correct item\n                                index: i\n                            };\n                        });\n                    }\n                    return [];\n                }\n            },\n\n            onClick: function(e, legendItem) {\n                var index = legendItem.index;\n                var chart = this.chart;\n                var i, ilen, meta;\n\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    // toggle visibility of index if exists\n                    if (meta.data[index]) {\n                        meta.data[index].hidden = !meta.data[index].hidden;\n                    }\n                }\n\n                chart.update();\n            }\n        },\n\n        // The percentage of the chart that we cut out of the middle.\n        cutoutPercentage: 50,\n\n        // The rotation of the chart, where the first data arc begins.\n        rotation: Math.PI * -0.5,\n\n        // The total circumference of the chart.\n        circumference: Math.PI * 2.0,\n\n        // Need to override these to give a nice default\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';\n                },\n                label: function(tooltipItem, data) {\n                    var dataLabel = data.labels[tooltipItem.index];\n                    var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];\n\n                    if (helpers.isArray(dataLabel)) {\n                        // show value on first line of multiline label\n                        // need to clone because we are changing the value\n                        dataLabel = dataLabel.slice();\n                        dataLabel[0] += value;\n                    } else {\n                        dataLabel += value;\n                    }\n\n                    return dataLabel;\n                }\n            }\n        }\n    });\n\n    defaults._set('pie', helpers.clone(defaults.doughnut));\n    defaults._set('pie', {\n        cutoutPercentage: 0\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({\n\n            dataElementType: elements.Arc,\n\n            linkScales: helpers.noop,\n\n            // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly\n            getRingIndex: function(datasetIndex) {\n                var ringIndex = 0;\n\n                for (var j = 0; j < datasetIndex; ++j) {\n                    if (this.chart.isDatasetVisible(j)) {\n                        ++ringIndex;\n                    }\n                }\n\n                return ringIndex;\n            },\n\n            update: function(reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var opts = chart.options;\n                var arcOpts = opts.elements.arc;\n                var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth;\n                var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth;\n                var minSize = Math.min(availableWidth, availableHeight);\n                var offset = {x: 0, y: 0};\n                var meta = me.getMeta();\n                var cutoutPercentage = opts.cutoutPercentage;\n                var circumference = opts.circumference;\n\n                // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc\n                if (circumference < Math.PI * 2.0) {\n                    var startAngle = opts.rotation % (Math.PI * 2.0);\n                    startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0);\n                    var endAngle = startAngle + circumference;\n                    var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)};\n                    var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)};\n                    var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle);\n                    var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle);\n                    var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle);\n                    var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle);\n                    var cutout = cutoutPercentage / 100.0;\n                    var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))};\n                    var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))};\n                    var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5};\n                    minSize = Math.min(availableWidth / size.width, availableHeight / size.height);\n                    offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5};\n                }\n\n                chart.borderWidth = me.getMaxBorderWidth(meta.data);\n                chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0);\n                chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0);\n                chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n                chart.offsetX = offset.x * chart.outerRadius;\n                chart.offsetY = offset.y * chart.outerRadius;\n\n                meta.total = me.calculateTotal();\n\n                me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index));\n                me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0);\n\n                helpers.each(meta.data, function(arc, index) {\n                    me.updateElement(arc, index, reset);\n                });\n            },\n\n            updateElement: function(arc, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var opts = chart.options;\n                var animationOpts = opts.animation;\n                var centerX = (chartArea.left + chartArea.right) / 2;\n                var centerY = (chartArea.top + chartArea.bottom) / 2;\n                var startAngle = opts.rotation; // non reset case handled later\n                var endAngle = opts.rotation; // non reset case handled later\n                var dataset = me.getDataset();\n                var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI));\n                var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;\n                var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;\n                var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n                helpers.extend(arc, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n\n                    // Desired view properties\n                    _model: {\n                        x: centerX + chart.offsetX,\n                        y: centerY + chart.offsetY,\n                        startAngle: startAngle,\n                        endAngle: endAngle,\n                        circumference: circumference,\n                        outerRadius: outerRadius,\n                        innerRadius: innerRadius,\n                        label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])\n                    }\n                });\n\n                var model = arc._model;\n                // Resets the visual styles\n                this.removeHoverStyle(arc);\n\n                // Set correct angles if not resetting\n                if (!reset || !animationOpts.animateRotate) {\n                    if (index === 0) {\n                        model.startAngle = opts.rotation;\n                    } else {\n                        model.startAngle = me.getMeta().data[index - 1]._model.endAngle;\n                    }\n\n                    model.endAngle = model.startAngle + model.circumference;\n                }\n\n                arc.pivot();\n            },\n\n            removeHoverStyle: function(arc) {\n                Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n            },\n\n            calculateTotal: function() {\n                var dataset = this.getDataset();\n                var meta = this.getMeta();\n                var total = 0;\n                var value;\n\n                helpers.each(meta.data, function(element, index) {\n                    value = dataset.data[index];\n                    if (!isNaN(value) && !element.hidden) {\n                        total += Math.abs(value);\n                    }\n                });\n\n\t\t\t\t/* if (total === 0) {\n\t\t\t\t total = NaN;\n\t\t\t\t }*/\n\n                return total;\n            },\n\n            calculateCircumference: function(value) {\n                var total = this.getMeta().total;\n                if (total > 0 && !isNaN(value)) {\n                    return (Math.PI * 2.0) * (value / total);\n                }\n                return 0;\n            },\n\n            // gets the max border or hover width to properly scale pie charts\n            getMaxBorderWidth: function(arcs) {\n                var max = 0;\n                var index = this.index;\n                var length = arcs.length;\n                var borderWidth;\n                var hoverWidth;\n\n                for (var i = 0; i < length; i++) {\n                    borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0;\n                    hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0;\n\n                    max = borderWidth > max ? borderWidth : max;\n                    max = hoverWidth > max ? hoverWidth : max;\n                }\n                return max;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],18:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('line', {\n        showLines: true,\n        spanGaps: false,\n\n        hover: {\n            mode: 'label'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'category',\n                id: 'x-axis-0'\n            }],\n            yAxes: [{\n                type: 'linear',\n                id: 'y-axis-0'\n            }]\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        function lineEnabled(dataset, options) {\n            return helpers.valueOrDefault(dataset.showLine, options.showLines);\n        }\n\n        Chart.controllers.line = Chart.DatasetController.extend({\n\n            datasetElementType: elements.Line,\n\n            dataElementType: elements.Point,\n\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var line = meta.dataset;\n                var points = meta.data || [];\n                var options = me.chart.options;\n                var lineElementOptions = options.elements.line;\n                var scale = me.getScaleForId(meta.yAxisID);\n                var i, ilen, custom;\n                var dataset = me.getDataset();\n                var showLine = lineEnabled(dataset, options);\n\n                // Update Line\n                if (showLine) {\n                    custom = line.custom || {};\n\n                    // Compatibility: If the properties are defined with only the old name, use those values\n                    if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n                        dataset.lineTension = dataset.tension;\n                    }\n\n                    // Utility\n                    line._scale = scale;\n                    line._datasetIndex = me.index;\n                    // Data\n                    line._children = points;\n                    // Model\n                    line._model = {\n                        // Appearance\n                        // The default behavior of lines is to break at null values, according\n                        // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158\n                        // This option gives lines the ability to span gaps\n                        spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps,\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n                        borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n                        borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n                        borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n                        borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n                        borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n                        fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n                        steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped),\n                        cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode),\n                    };\n\n                    line.pivot();\n                }\n\n                // Update Points\n                for (i = 0, ilen = points.length; i < ilen; ++i) {\n                    me.updateElement(points[i], i, reset);\n                }\n\n                if (showLine && line._model.tension !== 0) {\n                    me.updateBezierControlPoints();\n                }\n\n                // Now pivot the point for animation\n                for (i = 0, ilen = points.length; i < ilen; ++i) {\n                    points[i].pivot();\n                }\n            },\n\n            getPointBackgroundColor: function(point, index) {\n                var backgroundColor = this.chart.options.elements.point.backgroundColor;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (custom.backgroundColor) {\n                    backgroundColor = custom.backgroundColor;\n                } else if (dataset.pointBackgroundColor) {\n                    backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);\n                } else if (dataset.backgroundColor) {\n                    backgroundColor = dataset.backgroundColor;\n                }\n\n                return backgroundColor;\n            },\n\n            getPointBorderColor: function(point, index) {\n                var borderColor = this.chart.options.elements.point.borderColor;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (custom.borderColor) {\n                    borderColor = custom.borderColor;\n                } else if (dataset.pointBorderColor) {\n                    borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor);\n                } else if (dataset.borderColor) {\n                    borderColor = dataset.borderColor;\n                }\n\n                return borderColor;\n            },\n\n            getPointBorderWidth: function(point, index) {\n                var borderWidth = this.chart.options.elements.point.borderWidth;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (!isNaN(custom.borderWidth)) {\n                    borderWidth = custom.borderWidth;\n                } else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) {\n                    borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);\n                } else if (!isNaN(dataset.borderWidth)) {\n                    borderWidth = dataset.borderWidth;\n                }\n\n                return borderWidth;\n            },\n\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var custom = point.custom || {};\n                var dataset = me.getDataset();\n                var datasetIndex = me.index;\n                var value = dataset.data[index];\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var xScale = me.getScaleForId(meta.xAxisID);\n                var pointOptions = me.chart.options.elements.point;\n                var x, y;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n                if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n                    dataset.pointHitRadius = dataset.hitRadius;\n                }\n\n                x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);\n                y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);\n\n                // Utility\n                point._xScale = xScale;\n                point._yScale = yScale;\n                point._datasetIndex = datasetIndex;\n                point._index = index;\n\n                // Desired view properties\n                point._model = {\n                    x: x,\n                    y: y,\n                    skip: custom.skip || isNaN(x) || isNaN(y),\n                    // Appearance\n                    radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius),\n                    pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle),\n                    backgroundColor: me.getPointBackgroundColor(point, index),\n                    borderColor: me.getPointBorderColor(point, index),\n                    borderWidth: me.getPointBorderWidth(point, index),\n                    tension: meta.dataset._model ? meta.dataset._model.tension : 0,\n                    steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false,\n                    // Tooltip\n                    hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius)\n                };\n            },\n\n            calculatePointY: function(value, index, datasetIndex) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var sumPos = 0;\n                var sumNeg = 0;\n                var i, ds, dsMeta;\n\n                if (yScale.options.stacked) {\n                    for (i = 0; i < datasetIndex; i++) {\n                        ds = chart.data.datasets[i];\n                        dsMeta = chart.getDatasetMeta(i);\n                        if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) {\n                            var stackedRightValue = Number(yScale.getRightValue(ds.data[index]));\n                            if (stackedRightValue < 0) {\n                                sumNeg += stackedRightValue || 0;\n                            } else {\n                                sumPos += stackedRightValue || 0;\n                            }\n                        }\n                    }\n\n                    var rightValue = Number(yScale.getRightValue(value));\n                    if (rightValue < 0) {\n                        return yScale.getPixelForValue(sumNeg + rightValue);\n                    }\n                    return yScale.getPixelForValue(sumPos + rightValue);\n                }\n\n                return yScale.getPixelForValue(value);\n            },\n\n            updateBezierControlPoints: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var area = me.chart.chartArea;\n                var points = (meta.data || []);\n                var i, ilen, point, model, controlPoints;\n\n                // Only consider points that are drawn in case the spanGaps option is used\n                if (meta.dataset._model.spanGaps) {\n                    points = points.filter(function(pt) {\n                        return !pt._model.skip;\n                    });\n                }\n\n                function capControlPoint(pt, min, max) {\n                    return Math.max(Math.min(pt, max), min);\n                }\n\n                if (meta.dataset._model.cubicInterpolationMode === 'monotone') {\n                    helpers.splineCurveMonotone(points);\n                } else {\n                    for (i = 0, ilen = points.length; i < ilen; ++i) {\n                        point = points[i];\n                        model = point._model;\n                        controlPoints = helpers.splineCurve(\n                            helpers.previousItem(points, i)._model,\n                            model,\n                            helpers.nextItem(points, i)._model,\n                            meta.dataset._model.tension\n                        );\n                        model.controlPointPreviousX = controlPoints.previous.x;\n                        model.controlPointPreviousY = controlPoints.previous.y;\n                        model.controlPointNextX = controlPoints.next.x;\n                        model.controlPointNextY = controlPoints.next.y;\n                    }\n                }\n\n                if (me.chart.options.elements.line.capBezierPoints) {\n                    for (i = 0, ilen = points.length; i < ilen; ++i) {\n                        model = points[i]._model;\n                        model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);\n                        model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);\n                        model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);\n                        model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);\n                    }\n                }\n            },\n\n            draw: function() {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var points = meta.data || [];\n                var area = chart.chartArea;\n                var ilen = points.length;\n                var i = 0;\n\n                helpers.canvas.clipArea(chart.ctx, area);\n\n                if (lineEnabled(me.getDataset(), chart.options)) {\n                    meta.dataset.draw();\n                }\n\n                helpers.canvas.unclipArea(chart.ctx);\n\n                // Draw the points\n                for (; i < ilen; ++i) {\n                    points[i].draw(area);\n                }\n            },\n\n            setHoverStyle: function(point) {\n                // Point\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var index = point._index;\n                var custom = point.custom || {};\n                var model = point._model;\n\n                model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n                model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(point) {\n                var me = this;\n                var dataset = me.chart.data.datasets[point._datasetIndex];\n                var index = point._index;\n                var custom = point.custom || {};\n                var model = point._model;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n\n                model.radius = custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, me.chart.options.elements.point.radius);\n                model.backgroundColor = me.getPointBackgroundColor(point, index);\n                model.borderColor = me.getPointBorderColor(point, index);\n                model.borderWidth = me.getPointBorderWidth(point, index);\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],19:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('polarArea', {\n        scale: {\n            type: 'radialLinear',\n            angleLines: {\n                display: false\n            },\n            gridLines: {\n                circular: true\n            },\n            pointLabels: {\n                display: false\n            },\n            ticks: {\n                beginAtZero: true\n            }\n        },\n\n        // Boolean - Whether to animate the rotation of the chart\n        animation: {\n            animateRotate: true,\n            animateScale: true\n        },\n\n        startAngle: -0.5 * Math.PI,\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n\n            var data = chart.data;\n            var datasets = data.datasets;\n            var labels = data.labels;\n\n            if (datasets.length) {\n                for (var i = 0; i < datasets[0].data.length; ++i) {\n                    text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n                    if (labels[i]) {\n                        text.push(labels[i]);\n                    }\n                    text.push('</li>');\n                }\n            }\n\n            text.push('</ul>');\n            return text.join('');\n        },\n        legend: {\n            labels: {\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    if (data.labels.length && data.datasets.length) {\n                        return data.labels.map(function(label, i) {\n                            var meta = chart.getDatasetMeta(0);\n                            var ds = data.datasets[0];\n                            var arc = meta.data[i];\n                            var custom = arc.custom || {};\n                            var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n                            var arcOpts = chart.options.elements.arc;\n                            var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n                            var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n                            var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n                            return {\n                                text: label,\n                                fillStyle: fill,\n                                strokeStyle: stroke,\n                                lineWidth: bw,\n                                hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n                                // Extra data used for toggling the correct item\n                                index: i\n                            };\n                        });\n                    }\n                    return [];\n                }\n            },\n\n            onClick: function(e, legendItem) {\n                var index = legendItem.index;\n                var chart = this.chart;\n                var i, ilen, meta;\n\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    meta.data[index].hidden = !meta.data[index].hidden;\n                }\n\n                chart.update();\n            }\n        },\n\n        // Need to override these to give a nice default\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';\n                },\n                label: function(item, data) {\n                    return data.labels[item.index] + ': ' + item.yLabel;\n                }\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.polarArea = Chart.DatasetController.extend({\n\n            dataElementType: elements.Arc,\n\n            linkScales: helpers.noop,\n\n            update: function(reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var meta = me.getMeta();\n                var opts = chart.options;\n                var arcOpts = opts.elements.arc;\n                var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\n                chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0);\n                chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);\n                chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n\n                me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);\n                me.innerRadius = me.outerRadius - chart.radiusLength;\n\n                meta.count = me.countVisibleElements();\n\n                helpers.each(meta.data, function(arc, index) {\n                    me.updateElement(arc, index, reset);\n                });\n            },\n\n            updateElement: function(arc, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var dataset = me.getDataset();\n                var opts = chart.options;\n                var animationOpts = opts.animation;\n                var scale = chart.scale;\n                var labels = chart.data.labels;\n\n                var circumference = me.calculateCircumference(dataset.data[index]);\n                var centerX = scale.xCenter;\n                var centerY = scale.yCenter;\n\n                // If there is NaN data before us, we need to calculate the starting angle correctly.\n                // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data\n                var visibleCount = 0;\n                var meta = me.getMeta();\n                for (var i = 0; i < index; ++i) {\n                    if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) {\n                        ++visibleCount;\n                    }\n                }\n\n                // var negHalfPI = -0.5 * Math.PI;\n                var datasetStartAngle = opts.startAngle;\n                var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n                var startAngle = datasetStartAngle + (circumference * visibleCount);\n                var endAngle = startAngle + (arc.hidden ? 0 : circumference);\n\n                var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n\n                helpers.extend(arc, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n                    _scale: scale,\n\n                    // Desired view properties\n                    _model: {\n                        x: centerX,\n                        y: centerY,\n                        innerRadius: 0,\n                        outerRadius: reset ? resetRadius : distance,\n                        startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,\n                        endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,\n                        label: helpers.valueAtIndexOrDefault(labels, index, labels[index])\n                    }\n                });\n\n                // Apply border and fill style\n                me.removeHoverStyle(arc);\n\n                arc.pivot();\n            },\n\n            removeHoverStyle: function(arc) {\n                Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n            },\n\n            countVisibleElements: function() {\n                var dataset = this.getDataset();\n                var meta = this.getMeta();\n                var count = 0;\n\n                helpers.each(meta.data, function(element, index) {\n                    if (!isNaN(dataset.data[index]) && !element.hidden) {\n                        count++;\n                    }\n                });\n\n                return count;\n            },\n\n            calculateCircumference: function(value) {\n                var count = this.getMeta().count;\n                if (count > 0 && !isNaN(value)) {\n                    return (2 * Math.PI) / count;\n                }\n                return 0;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],20:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('radar', {\n        scale: {\n            type: 'radialLinear'\n        },\n        elements: {\n            line: {\n                tension: 0 // no bezier in radar\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.radar = Chart.DatasetController.extend({\n\n            datasetElementType: elements.Line,\n\n            dataElementType: elements.Point,\n\n            linkScales: helpers.noop,\n\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var line = meta.dataset;\n                var points = meta.data;\n                var custom = line.custom || {};\n                var dataset = me.getDataset();\n                var lineElementOptions = me.chart.options.elements.line;\n                var scale = me.chart.scale;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n                    dataset.lineTension = dataset.tension;\n                }\n\n                helpers.extend(meta.dataset, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _scale: scale,\n                    // Data\n                    _children: points,\n                    _loop: true,\n                    // Model\n                    _model: {\n                        // Appearance\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n                        borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n                        fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n                        borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n                        borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n                        borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n                        borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n                    }\n                });\n\n                meta.dataset.pivot();\n\n                // Update Points\n                helpers.each(points, function(point, index) {\n                    me.updateElement(point, index, reset);\n                }, me);\n\n                // Update bezier control points\n                me.updateBezierControlPoints();\n            },\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var custom = point.custom || {};\n                var dataset = me.getDataset();\n                var scale = me.chart.scale;\n                var pointElementOptions = me.chart.options.elements.point;\n                var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n                if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n                    dataset.pointHitRadius = dataset.hitRadius;\n                }\n\n                helpers.extend(point, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n                    _scale: scale,\n\n                    // Desired view properties\n                    _model: {\n                        x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales\n                        y: reset ? scale.yCenter : pointPosition.y,\n\n                        // Appearance\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension),\n                        radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor),\n                        borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth),\n                        pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle),\n\n                        // Tooltip\n                        hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius)\n                    }\n                });\n\n                point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));\n            },\n            updateBezierControlPoints: function() {\n                var chartArea = this.chart.chartArea;\n                var meta = this.getMeta();\n\n                helpers.each(meta.data, function(point, index) {\n                    var model = point._model;\n                    var controlPoints = helpers.splineCurve(\n                        helpers.previousItem(meta.data, index, true)._model,\n                        model,\n                        helpers.nextItem(meta.data, index, true)._model,\n                        model.tension\n                    );\n\n                    // Prevent the bezier going outside of the bounds of the graph\n                    model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left);\n                    model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top);\n\n                    model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left);\n                    model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top);\n\n                    // Now pivot the point for animation\n                    point.pivot();\n                });\n            },\n\n            setHoverStyle: function(point) {\n                // Point\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var custom = point.custom || {};\n                var index = point._index;\n                var model = point._model;\n\n                model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(point) {\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var custom = point.custom || {};\n                var index = point._index;\n                var model = point._model;\n                var pointElementOptions = this.chart.options.elements.point;\n\n                model.radius = custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius);\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth);\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],21:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n\n    defaults._set('scatter', {\n        hover: {\n            mode: 'single'\n        },\n\n        scales: {\n            xAxes: [{\n                id: 'x-axis-1',    // need an ID so datasets can reference the scale\n                type: 'linear',    // scatter should not use a category axis\n                position: 'bottom'\n            }],\n            yAxes: [{\n                id: 'y-axis-1',\n                type: 'linear',\n                position: 'left'\n            }]\n        },\n\n        showLines: false,\n\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';     // doesn't make sense for scatter since data are formatted as a point\n                },\n                label: function(item) {\n                    return '(' + item.xLabel + ', ' + item.yLabel + ')';\n                }\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        // Scatter charts use line controllers\n        Chart.controllers.scatter = Chart.controllers.line;\n\n    };\n\n},{\"25\":25}],22:[function(require,module,exports){\n\t/* global window: false */\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        animation: {\n            duration: 1000,\n            easing: 'easeOutQuart',\n            onProgress: helpers.noop,\n            onComplete: helpers.noop\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.Animation = Element.extend({\n            chart: null, // the animation associated chart instance\n            currentStep: 0, // the current animation step\n            numSteps: 60, // default number of steps\n            easing: '', // the easing to use for this animation\n            render: null, // render function used by the animation service\n\n            onAnimationProgress: null, // user specified callback to fire on each step of the animation\n            onAnimationComplete: null, // user specified callback to fire when the animation finishes\n        });\n\n        Chart.animationService = {\n            frameDuration: 17,\n            animations: [],\n            dropFrames: 0,\n            request: null,\n\n            /**\n             * @param {Chart} chart - The chart to animate.\n             * @param {Chart.Animation} animation - The animation that we will animate.\n             * @param {Number} duration - The animation duration in ms.\n             * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions\n             */\n            addAnimation: function(chart, animation, duration, lazy) {\n                var animations = this.animations;\n                var i, ilen;\n\n                animation.chart = chart;\n\n                if (!lazy) {\n                    chart.animating = true;\n                }\n\n                for (i = 0, ilen = animations.length; i < ilen; ++i) {\n                    if (animations[i].chart === chart) {\n                        animations[i] = animation;\n                        return;\n                    }\n                }\n\n                animations.push(animation);\n\n                // If there are no animations queued, manually kickstart a digest, for lack of a better word\n                if (animations.length === 1) {\n                    this.requestAnimationFrame();\n                }\n            },\n\n            cancelAnimation: function(chart) {\n                var index = helpers.findIndex(this.animations, function(animation) {\n                    return animation.chart === chart;\n                });\n\n                if (index !== -1) {\n                    this.animations.splice(index, 1);\n                    chart.animating = false;\n                }\n            },\n\n            requestAnimationFrame: function() {\n                var me = this;\n                if (me.request === null) {\n                    // Skip animation frame requests until the active one is executed.\n                    // This can happen when processing mouse events, e.g. 'mousemove'\n                    // and 'mouseout' events will trigger multiple renders.\n                    me.request = helpers.requestAnimFrame.call(window, function() {\n                        me.request = null;\n                        me.startDigest();\n                    });\n                }\n            },\n\n            /**\n             * @private\n             */\n            startDigest: function() {\n                var me = this;\n                var startTime = Date.now();\n                var framesToDrop = 0;\n\n                if (me.dropFrames > 1) {\n                    framesToDrop = Math.floor(me.dropFrames);\n                    me.dropFrames = me.dropFrames % 1;\n                }\n\n                me.advance(1 + framesToDrop);\n\n                var endTime = Date.now();\n\n                me.dropFrames += (endTime - startTime) / me.frameDuration;\n\n                // Do we have more stuff to animate?\n                if (me.animations.length > 0) {\n                    me.requestAnimationFrame();\n                }\n            },\n\n            /**\n             * @private\n             */\n            advance: function(count) {\n                var animations = this.animations;\n                var animation, chart;\n                var i = 0;\n\n                while (i < animations.length) {\n                    animation = animations[i];\n                    chart = animation.chart;\n\n                    animation.currentStep = (animation.currentStep || 0) + count;\n                    animation.currentStep = Math.min(animation.currentStep, animation.numSteps);\n\n                    helpers.callback(animation.render, [chart, animation], chart);\n                    helpers.callback(animation.onAnimationProgress, [animation], chart);\n\n                    if (animation.currentStep >= animation.numSteps) {\n                        helpers.callback(animation.onAnimationComplete, [animation], chart);\n                        chart.animating = false;\n                        animations.splice(i, 1);\n                    } else {\n                        ++i;\n                    }\n                }\n            }\n        };\n\n        /**\n         * Provided for backward compatibility, use Chart.Animation instead\n         * @prop Chart.Animation#animationObject\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         */\n        Object.defineProperty(Chart.Animation.prototype, 'animationObject', {\n            get: function() {\n                return this;\n            }\n        });\n\n        /**\n         * Provided for backward compatibility, use Chart.Animation#chart instead\n         * @prop Chart.Animation#chartInstance\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         */\n        Object.defineProperty(Chart.Animation.prototype, 'chartInstance', {\n            get: function() {\n                return this.chart;\n            },\n            set: function(value) {\n                this.chart = value;\n            }\n        });\n\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],23:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Interaction = require(28);\n    var platform = require(48);\n\n    module.exports = function(Chart) {\n        var plugins = Chart.plugins;\n\n        // Create a dictionary of chart types, to allow for extension of existing types\n        Chart.types = {};\n\n        // Store a reference to each instance - allowing us to globally resize chart instances on window resize.\n        // Destroy method on the chart will remove the instance of the chart from this reference.\n        Chart.instances = {};\n\n        // Controllers available for dataset visualization eg. bar, line, slice, etc.\n        Chart.controllers = {};\n\n        /**\n         * Initializes the given config with global and chart default values.\n         */\n        function initConfig(config) {\n            config = config || {};\n\n            // Do NOT use configMerge() for the data object because this method merges arrays\n            // and so would change references to labels and datasets, preventing data updates.\n            var data = config.data = config.data || {};\n            data.datasets = data.datasets || [];\n            data.labels = data.labels || [];\n\n            config.options = helpers.configMerge(\n                defaults.global,\n                defaults[config.type],\n                config.options || {});\n\n            return config;\n        }\n\n        /**\n         * Updates the config of the chart\n         * @param chart {Chart} chart to update the options for\n         */\n        function updateConfig(chart) {\n            var newOptions = chart.options;\n\n            // Update Scale(s) with options\n            if (newOptions.scale) {\n                chart.scale.options = newOptions.scale;\n            } else if (newOptions.scales) {\n                newOptions.scales.xAxes.concat(newOptions.scales.yAxes).forEach(function(scaleOptions) {\n                    chart.scales[scaleOptions.id].options = scaleOptions;\n                });\n            }\n\n            // Tooltip\n            chart.tooltip._options = newOptions.tooltips;\n        }\n\n        function positionIsHorizontal(position) {\n            return position === 'top' || position === 'bottom';\n        }\n\n        helpers.extend(Chart.prototype, /** @lends Chart */ {\n            /**\n             * @private\n             */\n            construct: function(item, config) {\n                var me = this;\n\n                config = initConfig(config);\n\n                var context = platform.acquireContext(item, config);\n                var canvas = context && context.canvas;\n                var height = canvas && canvas.height;\n                var width = canvas && canvas.width;\n\n                me.id = helpers.uid();\n                me.ctx = context;\n                me.canvas = canvas;\n                me.config = config;\n                me.width = width;\n                me.height = height;\n                me.aspectRatio = height ? width / height : null;\n                me.options = config.options;\n                me._bufferedRender = false;\n\n                /**\n                 * Provided for backward compatibility, Chart and Chart.Controller have been merged,\n                 * the \"instance\" still need to be defined since it might be called from plugins.\n                 * @prop Chart#chart\n                 * @deprecated since version 2.6.0\n                 * @todo remove at version 3\n                 * @private\n                 */\n                me.chart = me;\n                me.controller = me; // chart.chart.controller #inception\n\n                // Add the chart instance to the global namespace\n                Chart.instances[me.id] = me;\n\n                // Define alias to the config data: `chart.data === chart.config.data`\n                Object.defineProperty(me, 'data', {\n                    get: function() {\n                        return me.config.data;\n                    },\n                    set: function(value) {\n                        me.config.data = value;\n                    }\n                });\n\n                if (!context || !canvas) {\n                    // The given item is not a compatible context2d element, let's return before finalizing\n                    // the chart initialization but after setting basic chart / controller properties that\n                    // can help to figure out that the chart is not valid (e.g chart.canvas !== null);\n                    // https://github.com/chartjs/Chart.js/issues/2807\n                    console.error(\"Failed to create chart: can't acquire context from the given item\");\n                    return;\n                }\n\n                me.initialize();\n                me.update();\n            },\n\n            /**\n             * @private\n             */\n            initialize: function() {\n                var me = this;\n\n                // Before init plugin notification\n                plugins.notify(me, 'beforeInit');\n\n                helpers.retinaScale(me, me.options.devicePixelRatio);\n\n                me.bindEvents();\n\n                if (me.options.responsive) {\n                    // Initial resize before chart draws (must be silent to preserve initial animations).\n                    me.resize(true);\n                }\n\n                // Make sure scales have IDs and are built before we build any controllers.\n                me.ensureScalesHaveIDs();\n                me.buildScales();\n                me.initToolTip();\n\n                // After init plugin notification\n                plugins.notify(me, 'afterInit');\n\n                return me;\n            },\n\n            clear: function() {\n                helpers.canvas.clear(this);\n                return this;\n            },\n\n            stop: function() {\n                // Stops any current animation loop occurring\n                Chart.animationService.cancelAnimation(this);\n                return this;\n            },\n\n            resize: function(silent) {\n                var me = this;\n                var options = me.options;\n                var canvas = me.canvas;\n                var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null;\n\n                // the canvas render width and height will be casted to integers so make sure that\n                // the canvas display style uses the same integer values to avoid blurring effect.\n\n                // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collased\n                var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas)));\n                var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)));\n\n                if (me.width === newWidth && me.height === newHeight) {\n                    return;\n                }\n\n                canvas.width = me.width = newWidth;\n                canvas.height = me.height = newHeight;\n                canvas.style.width = newWidth + 'px';\n                canvas.style.height = newHeight + 'px';\n\n                helpers.retinaScale(me, options.devicePixelRatio);\n\n                if (!silent) {\n                    // Notify any plugins about the resize\n                    var newSize = {width: newWidth, height: newHeight};\n                    plugins.notify(me, 'resize', [newSize]);\n\n                    // Notify of resize\n                    if (me.options.onResize) {\n                        me.options.onResize(me, newSize);\n                    }\n\n                    me.stop();\n                    me.update(me.options.responsiveAnimationDuration);\n                }\n            },\n\n            ensureScalesHaveIDs: function() {\n                var options = this.options;\n                var scalesOptions = options.scales || {};\n                var scaleOptions = options.scale;\n\n                helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) {\n                    xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index);\n                });\n\n                helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) {\n                    yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index);\n                });\n\n                if (scaleOptions) {\n                    scaleOptions.id = scaleOptions.id || 'scale';\n                }\n            },\n\n            /**\n             * Builds a map of scale ID to scale object for future lookup.\n             */\n            buildScales: function() {\n                var me = this;\n                var options = me.options;\n                var scales = me.scales = {};\n                var items = [];\n\n                if (options.scales) {\n                    items = items.concat(\n                        (options.scales.xAxes || []).map(function(xAxisOptions) {\n                            return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'};\n                        }),\n                        (options.scales.yAxes || []).map(function(yAxisOptions) {\n                            return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};\n                        })\n                    );\n                }\n\n                if (options.scale) {\n                    items.push({\n                        options: options.scale,\n                        dtype: 'radialLinear',\n                        isDefault: true,\n                        dposition: 'chartArea'\n                    });\n                }\n\n                helpers.each(items, function(item) {\n                    var scaleOptions = item.options;\n                    var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype);\n                    var scaleClass = Chart.scaleService.getScaleConstructor(scaleType);\n                    if (!scaleClass) {\n                        return;\n                    }\n\n                    if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {\n                        scaleOptions.position = item.dposition;\n                    }\n\n                    var scale = new scaleClass({\n                        id: scaleOptions.id,\n                        options: scaleOptions,\n                        ctx: me.ctx,\n                        chart: me\n                    });\n\n                    scales[scale.id] = scale;\n                    scale.mergeTicksOptions();\n\n                    // TODO(SB): I think we should be able to remove this custom case (options.scale)\n                    // and consider it as a regular scale part of the \"scales\"\" map only! This would\n                    // make the logic easier and remove some useless? custom code.\n                    if (item.isDefault) {\n                        me.scale = scale;\n                    }\n                });\n\n                Chart.scaleService.addScalesToLayout(this);\n            },\n\n            buildOrUpdateControllers: function() {\n                var me = this;\n                var types = [];\n                var newControllers = [];\n\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    var meta = me.getDatasetMeta(datasetIndex);\n                    var type = dataset.type || me.config.type;\n\n                    if (meta.type && meta.type !== type) {\n                        me.destroyDatasetMeta(datasetIndex);\n                        meta = me.getDatasetMeta(datasetIndex);\n                    }\n                    meta.type = type;\n\n                    types.push(meta.type);\n\n                    if (meta.controller) {\n                        meta.controller.updateIndex(datasetIndex);\n                    } else {\n                        var ControllerClass = Chart.controllers[meta.type];\n                        if (ControllerClass === undefined) {\n                            throw new Error('\"' + meta.type + '\" is not a chart type.');\n                        }\n\n                        meta.controller = new ControllerClass(me, datasetIndex);\n                        newControllers.push(meta.controller);\n                    }\n                }, me);\n\n                return newControllers;\n            },\n\n            /**\n             * Reset the elements of all datasets\n             * @private\n             */\n            resetElements: function() {\n                var me = this;\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    me.getDatasetMeta(datasetIndex).controller.reset();\n                }, me);\n            },\n\n            /**\n             * Resets the chart back to it's state before the initial animation\n             */\n            reset: function() {\n                this.resetElements();\n                this.tooltip.initialize();\n            },\n\n            update: function(config) {\n                var me = this;\n\n                if (!config || typeof config !== 'object') {\n                    // backwards compatibility\n                    config = {\n                        duration: config,\n                        lazy: arguments[1]\n                    };\n                }\n\n                updateConfig(me);\n\n                if (plugins.notify(me, 'beforeUpdate') === false) {\n                    return;\n                }\n\n                // In case the entire data object changed\n                me.tooltip._data = me.data;\n\n                // Make sure dataset controllers are updated and new controllers are reset\n                var newControllers = me.buildOrUpdateControllers();\n\n                // Make sure all dataset controllers have correct meta data counts\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements();\n                }, me);\n\n                me.updateLayout();\n\n                // Can only reset the new controllers after the scales have been updated\n                helpers.each(newControllers, function(controller) {\n                    controller.reset();\n                });\n\n                me.updateDatasets();\n\n                // Do this before render so that any plugins that need final scale updates can use it\n                plugins.notify(me, 'afterUpdate');\n\n                if (me._bufferedRender) {\n                    me._bufferedRequest = {\n                        duration: config.duration,\n                        easing: config.easing,\n                        lazy: config.lazy\n                    };\n                } else {\n                    me.render(config);\n                }\n            },\n\n            /**\n             * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`\n             * hook, in which case, plugins will not be called on `afterLayout`.\n             * @private\n             */\n            updateLayout: function() {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeLayout') === false) {\n                    return;\n                }\n\n                Chart.layoutService.update(this, this.width, this.height);\n\n                /**\n                 * Provided for backward compatibility, use `afterLayout` instead.\n                 * @method IPlugin#afterScaleUpdate\n                 * @deprecated since version 2.5.0\n                 * @todo remove at version 3\n                 * @private\n                 */\n                plugins.notify(me, 'afterScaleUpdate');\n                plugins.notify(me, 'afterLayout');\n            },\n\n            /**\n             * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`\n             * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.\n             * @private\n             */\n            updateDatasets: function() {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeDatasetsUpdate') === false) {\n                    return;\n                }\n\n                for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n                    me.updateDataset(i);\n                }\n\n                plugins.notify(me, 'afterDatasetsUpdate');\n            },\n\n            /**\n             * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`\n             * hook, in which case, plugins will not be called on `afterDatasetUpdate`.\n             * @private\n             */\n            updateDataset: function(index) {\n                var me = this;\n                var meta = me.getDatasetMeta(index);\n                var args = {\n                    meta: meta,\n                    index: index\n                };\n\n                if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {\n                    return;\n                }\n\n                meta.controller.update();\n\n                plugins.notify(me, 'afterDatasetUpdate', [args]);\n            },\n\n            render: function(config) {\n                var me = this;\n\n                if (!config || typeof config !== 'object') {\n                    // backwards compatibility\n                    config = {\n                        duration: config,\n                        lazy: arguments[1]\n                    };\n                }\n\n                var duration = config.duration;\n                var lazy = config.lazy;\n\n                if (plugins.notify(me, 'beforeRender') === false) {\n                    return;\n                }\n\n                var animationOptions = me.options.animation;\n                var onComplete = function(animation) {\n                    plugins.notify(me, 'afterRender');\n                    helpers.callback(animationOptions && animationOptions.onComplete, [animation], me);\n                };\n\n                if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) {\n                    var animation = new Chart.Animation({\n                        numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps\n                        easing: config.easing || animationOptions.easing,\n\n                        render: function(chart, animationObject) {\n                            var easingFunction = helpers.easing.effects[animationObject.easing];\n                            var currentStep = animationObject.currentStep;\n                            var stepDecimal = currentStep / animationObject.numSteps;\n\n                            chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);\n                        },\n\n                        onAnimationProgress: animationOptions.onProgress,\n                        onAnimationComplete: onComplete\n                    });\n\n                    Chart.animationService.addAnimation(me, animation, duration, lazy);\n                } else {\n                    me.draw();\n\n                    // See https://github.com/chartjs/Chart.js/issues/3781\n                    onComplete(new Chart.Animation({numSteps: 0, chart: me}));\n                }\n\n                return me;\n            },\n\n            draw: function(easingValue) {\n                var me = this;\n\n                me.clear();\n\n                if (helpers.isNullOrUndef(easingValue)) {\n                    easingValue = 1;\n                }\n\n                me.transition(easingValue);\n\n                if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) {\n                    return;\n                }\n\n                // Draw all the scales\n                helpers.each(me.boxes, function(box) {\n                    box.draw(me.chartArea);\n                }, me);\n\n                if (me.scale) {\n                    me.scale.draw();\n                }\n\n                me.drawDatasets(easingValue);\n\n                // Finally draw the tooltip\n                me.tooltip.draw();\n\n                plugins.notify(me, 'afterDraw', [easingValue]);\n            },\n\n            /**\n             * @private\n             */\n            transition: function(easingValue) {\n                var me = this;\n\n                for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {\n                    if (me.isDatasetVisible(i)) {\n                        me.getDatasetMeta(i).controller.transition(easingValue);\n                    }\n                }\n\n                me.tooltip.transition(easingValue);\n            },\n\n            /**\n             * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`\n             * hook, in which case, plugins will not be called on `afterDatasetsDraw`.\n             * @private\n             */\n            drawDatasets: function(easingValue) {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) {\n                    return;\n                }\n\n                // Draw datasets reversed to support proper line stacking\n                for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) {\n                    if (me.isDatasetVisible(i)) {\n                        me.drawDataset(i, easingValue);\n                    }\n                }\n\n                plugins.notify(me, 'afterDatasetsDraw', [easingValue]);\n            },\n\n            /**\n             * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`\n             * hook, in which case, plugins will not be called on `afterDatasetDraw`.\n             * @private\n             */\n            drawDataset: function(index, easingValue) {\n                var me = this;\n                var meta = me.getDatasetMeta(index);\n                var args = {\n                    meta: meta,\n                    index: index,\n                    easingValue: easingValue\n                };\n\n                if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {\n                    return;\n                }\n\n                meta.controller.draw(easingValue);\n\n                plugins.notify(me, 'afterDatasetDraw', [args]);\n            },\n\n            // Get the single element that was clicked on\n            // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw\n            getElementAtEvent: function(e) {\n                return Interaction.modes.single(this, e);\n            },\n\n            getElementsAtEvent: function(e) {\n                return Interaction.modes.label(this, e, {intersect: true});\n            },\n\n            getElementsAtXAxis: function(e) {\n                return Interaction.modes['x-axis'](this, e, {intersect: true});\n            },\n\n            getElementsAtEventForMode: function(e, mode, options) {\n                var method = Interaction.modes[mode];\n                if (typeof method === 'function') {\n                    return method(this, e, options);\n                }\n\n                return [];\n            },\n\n            getDatasetAtEvent: function(e) {\n                return Interaction.modes.dataset(this, e, {intersect: true});\n            },\n\n            getDatasetMeta: function(datasetIndex) {\n                var me = this;\n                var dataset = me.data.datasets[datasetIndex];\n                if (!dataset._meta) {\n                    dataset._meta = {};\n                }\n\n                var meta = dataset._meta[me.id];\n                if (!meta) {\n                    meta = dataset._meta[me.id] = {\n                        type: null,\n                        data: [],\n                        dataset: null,\n                        controller: null,\n                        hidden: null,\t\t\t// See isDatasetVisible() comment\n                        xAxisID: null,\n                        yAxisID: null\n                    };\n                }\n\n                return meta;\n            },\n\n            getVisibleDatasetCount: function() {\n                var count = 0;\n                for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n                    if (this.isDatasetVisible(i)) {\n                        count++;\n                    }\n                }\n                return count;\n            },\n\n            isDatasetVisible: function(datasetIndex) {\n                var meta = this.getDatasetMeta(datasetIndex);\n\n                // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,\n                // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.\n                return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden;\n            },\n\n            generateLegend: function() {\n                return this.options.legendCallback(this);\n            },\n\n            /**\n             * @private\n             */\n            destroyDatasetMeta: function(datasetIndex) {\n                var id = this.id;\n                var dataset = this.data.datasets[datasetIndex];\n                var meta = dataset._meta && dataset._meta[id];\n\n                if (meta) {\n                    meta.controller.destroy();\n                    delete dataset._meta[id];\n                }\n            },\n\n            destroy: function() {\n                var me = this;\n                var canvas = me.canvas;\n                var i, ilen;\n\n                me.stop();\n\n                // dataset controllers need to cleanup associated data\n                for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n                    me.destroyDatasetMeta(i);\n                }\n\n                if (canvas) {\n                    me.unbindEvents();\n                    helpers.canvas.clear(me);\n                    platform.releaseContext(me.ctx);\n                    me.canvas = null;\n                    me.ctx = null;\n                }\n\n                plugins.notify(me, 'destroy');\n\n                delete Chart.instances[me.id];\n            },\n\n            toBase64Image: function() {\n                return this.canvas.toDataURL.apply(this.canvas, arguments);\n            },\n\n            initToolTip: function() {\n                var me = this;\n                me.tooltip = new Chart.Tooltip({\n                    _chart: me,\n                    _chartInstance: me, // deprecated, backward compatibility\n                    _data: me.data,\n                    _options: me.options.tooltips\n                }, me);\n            },\n\n            /**\n             * @private\n             */\n            bindEvents: function() {\n                var me = this;\n                var listeners = me._listeners = {};\n                var listener = function() {\n                    me.eventHandler.apply(me, arguments);\n                };\n\n                helpers.each(me.options.events, function(type) {\n                    platform.addEventListener(me, type, listener);\n                    listeners[type] = listener;\n                });\n\n                // Elements used to detect size change should not be injected for non responsive charts.\n                // See https://github.com/chartjs/Chart.js/issues/2210\n                if (me.options.responsive) {\n                    listener = function() {\n                        me.resize();\n                    };\n\n                    platform.addEventListener(me, 'resize', listener);\n                    listeners.resize = listener;\n                }\n            },\n\n            /**\n             * @private\n             */\n            unbindEvents: function() {\n                var me = this;\n                var listeners = me._listeners;\n                if (!listeners) {\n                    return;\n                }\n\n                delete me._listeners;\n                helpers.each(listeners, function(listener, type) {\n                    platform.removeEventListener(me, type, listener);\n                });\n            },\n\n            updateHoverStyle: function(elements, mode, enabled) {\n                var method = enabled ? 'setHoverStyle' : 'removeHoverStyle';\n                var element, i, ilen;\n\n                for (i = 0, ilen = elements.length; i < ilen; ++i) {\n                    element = elements[i];\n                    if (element) {\n                        this.getDatasetMeta(element._datasetIndex).controller[method](element);\n                    }\n                }\n            },\n\n            /**\n             * @private\n             */\n            eventHandler: function(e) {\n                var me = this;\n                var tooltip = me.tooltip;\n\n                if (plugins.notify(me, 'beforeEvent', [e]) === false) {\n                    return;\n                }\n\n                // Buffer any update calls so that renders do not occur\n                me._bufferedRender = true;\n                me._bufferedRequest = null;\n\n                var changed = me.handleEvent(e);\n                changed |= tooltip && tooltip.handleEvent(e);\n\n                plugins.notify(me, 'afterEvent', [e]);\n\n                var bufferedRequest = me._bufferedRequest;\n                if (bufferedRequest) {\n                    // If we have an update that was triggered, we need to do a normal render\n                    me.render(bufferedRequest);\n                } else if (changed && !me.animating) {\n                    // If entering, leaving, or changing elements, animate the change via pivot\n                    me.stop();\n\n                    // We only need to render at this point. Updating will cause scales to be\n                    // recomputed generating flicker & using more memory than necessary.\n                    me.render(me.options.hover.animationDuration, true);\n                }\n\n                me._bufferedRender = false;\n                me._bufferedRequest = null;\n\n                return me;\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event the event to handle\n             * @return {Boolean} true if the chart needs to re-render\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var options = me.options || {};\n                var hoverOptions = options.hover;\n                var changed = false;\n\n                me.lastActive = me.lastActive || [];\n\n                // Find Active Elements for hover and tooltips\n                if (e.type === 'mouseout') {\n                    me.active = [];\n                } else {\n                    me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions);\n                }\n\n                // Invoke onHover hook\n                // Need to call with native event here to not break backwards compatibility\n                helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);\n\n                if (e.type === 'mouseup' || e.type === 'click') {\n                    if (options.onClick) {\n                        // Use e.native here for backwards compatibility\n                        options.onClick.call(me, e.native, me.active);\n                    }\n                }\n\n                // Remove styling for last active (even if it may still be active)\n                if (me.lastActive.length) {\n                    me.updateHoverStyle(me.lastActive, hoverOptions.mode, false);\n                }\n\n                // Built in hover styling\n                if (me.active.length && hoverOptions.mode) {\n                    me.updateHoverStyle(me.active, hoverOptions.mode, true);\n                }\n\n                changed = !helpers.arrayEquals(me.active, me.lastActive);\n\n                // Remember Last Actives\n                me.lastActive = me.active;\n\n                return changed;\n            }\n        });\n\n        /**\n         * Provided for backward compatibility, use Chart instead.\n         * @class Chart.Controller\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.Controller = Chart;\n    };\n\n},{\"25\":25,\"28\":28,\"45\":45,\"48\":48}],24:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\n\n        /**\n         * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',\n         * 'unshift') and notify the listener AFTER the array has been altered. Listeners are\n         * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.\n         */\n        function listenArrayEvents(array, listener) {\n            if (array._chartjs) {\n                array._chartjs.listeners.push(listener);\n                return;\n            }\n\n            Object.defineProperty(array, '_chartjs', {\n                configurable: true,\n                enumerable: false,\n                value: {\n                    listeners: [listener]\n                }\n            });\n\n            arrayEvents.forEach(function(key) {\n                var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);\n                var base = array[key];\n\n                Object.defineProperty(array, key, {\n                    configurable: true,\n                    enumerable: false,\n                    value: function() {\n                        var args = Array.prototype.slice.call(arguments);\n                        var res = base.apply(this, args);\n\n                        helpers.each(array._chartjs.listeners, function(object) {\n                            if (typeof object[method] === 'function') {\n                                object[method].apply(object, args);\n                            }\n                        });\n\n                        return res;\n                    }\n                });\n            });\n        }\n\n        /**\n         * Removes the given array event listener and cleanup extra attached properties (such as\n         * the _chartjs stub and overridden methods) if array doesn't have any more listeners.\n         */\n        function unlistenArrayEvents(array, listener) {\n            var stub = array._chartjs;\n            if (!stub) {\n                return;\n            }\n\n            var listeners = stub.listeners;\n            var index = listeners.indexOf(listener);\n            if (index !== -1) {\n                listeners.splice(index, 1);\n            }\n\n            if (listeners.length > 0) {\n                return;\n            }\n\n            arrayEvents.forEach(function(key) {\n                delete array[key];\n            });\n\n            delete array._chartjs;\n        }\n\n        // Base class for all dataset controllers (line, bar, etc)\n        Chart.DatasetController = function(chart, datasetIndex) {\n            this.initialize(chart, datasetIndex);\n        };\n\n        helpers.extend(Chart.DatasetController.prototype, {\n\n            /**\n             * Element type used to generate a meta dataset (e.g. Chart.element.Line).\n             * @type {Chart.core.element}\n             */\n            datasetElementType: null,\n\n            /**\n             * Element type used to generate a meta data (e.g. Chart.element.Point).\n             * @type {Chart.core.element}\n             */\n            dataElementType: null,\n\n            initialize: function(chart, datasetIndex) {\n                var me = this;\n                me.chart = chart;\n                me.index = datasetIndex;\n                me.linkScales();\n                me.addElements();\n            },\n\n            updateIndex: function(datasetIndex) {\n                this.index = datasetIndex;\n            },\n\n            linkScales: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var dataset = me.getDataset();\n\n                if (meta.xAxisID === null) {\n                    meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id;\n                }\n                if (meta.yAxisID === null) {\n                    meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id;\n                }\n            },\n\n            getDataset: function() {\n                return this.chart.data.datasets[this.index];\n            },\n\n            getMeta: function() {\n                return this.chart.getDatasetMeta(this.index);\n            },\n\n            getScaleForId: function(scaleID) {\n                return this.chart.scales[scaleID];\n            },\n\n            reset: function() {\n                this.update(true);\n            },\n\n            /**\n             * @private\n             */\n            destroy: function() {\n                if (this._data) {\n                    unlistenArrayEvents(this._data, this);\n                }\n            },\n\n            createMetaDataset: function() {\n                var me = this;\n                var type = me.datasetElementType;\n                return type && new type({\n                        _chart: me.chart,\n                        _datasetIndex: me.index\n                    });\n            },\n\n            createMetaData: function(index) {\n                var me = this;\n                var type = me.dataElementType;\n                return type && new type({\n                        _chart: me.chart,\n                        _datasetIndex: me.index,\n                        _index: index\n                    });\n            },\n\n            addElements: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var data = me.getDataset().data || [];\n                var metaData = meta.data;\n                var i, ilen;\n\n                for (i = 0, ilen = data.length; i < ilen; ++i) {\n                    metaData[i] = metaData[i] || me.createMetaData(i);\n                }\n\n                meta.dataset = meta.dataset || me.createMetaDataset();\n            },\n\n            addElementAndReset: function(index) {\n                var element = this.createMetaData(index);\n                this.getMeta().data.splice(index, 0, element);\n                this.updateElement(element, index, true);\n            },\n\n            buildOrUpdateElements: function() {\n                var me = this;\n                var dataset = me.getDataset();\n                var data = dataset.data || (dataset.data = []);\n\n                // In order to correctly handle data addition/deletion animation (an thus simulate\n                // real-time charts), we need to monitor these data modifications and synchronize\n                // the internal meta data accordingly.\n                if (me._data !== data) {\n                    if (me._data) {\n                        // This case happens when the user replaced the data array instance.\n                        unlistenArrayEvents(me._data, me);\n                    }\n\n                    listenArrayEvents(data, me);\n                    me._data = data;\n                }\n\n                // Re-sync meta data in case the user replaced the data array or if we missed\n                // any updates and so make sure that we handle number of datapoints changing.\n                me.resyncElements();\n            },\n\n            update: helpers.noop,\n\n            transition: function(easingValue) {\n                var meta = this.getMeta();\n                var elements = meta.data || [];\n                var ilen = elements.length;\n                var i = 0;\n\n                for (; i < ilen; ++i) {\n                    elements[i].transition(easingValue);\n                }\n\n                if (meta.dataset) {\n                    meta.dataset.transition(easingValue);\n                }\n            },\n\n            draw: function() {\n                var meta = this.getMeta();\n                var elements = meta.data || [];\n                var ilen = elements.length;\n                var i = 0;\n\n                if (meta.dataset) {\n                    meta.dataset.draw();\n                }\n\n                for (; i < ilen; ++i) {\n                    elements[i].draw();\n                }\n            },\n\n            removeHoverStyle: function(element, elementOpts) {\n                var dataset = this.chart.data.datasets[element._datasetIndex];\n                var index = element._index;\n                var custom = element.custom || {};\n                var valueOrDefault = helpers.valueAtIndexOrDefault;\n                var model = element._model;\n\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth);\n            },\n\n            setHoverStyle: function(element) {\n                var dataset = this.chart.data.datasets[element._datasetIndex];\n                var index = element._index;\n                var custom = element.custom || {};\n                var valueOrDefault = helpers.valueAtIndexOrDefault;\n                var getHoverColor = helpers.getHoverColor;\n                var model = element._model;\n\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n            },\n\n            /**\n             * @private\n             */\n            resyncElements: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var data = me.getDataset().data;\n                var numMeta = meta.data.length;\n                var numData = data.length;\n\n                if (numData < numMeta) {\n                    meta.data.splice(numData, numMeta - numData);\n                } else if (numData > numMeta) {\n                    me.insertElements(numMeta, numData - numMeta);\n                }\n            },\n\n            /**\n             * @private\n             */\n            insertElements: function(start, count) {\n                for (var i = 0; i < count; ++i) {\n                    this.addElementAndReset(start + i);\n                }\n            },\n\n            /**\n             * @private\n             */\n            onDataPush: function() {\n                this.insertElements(this.getDataset().data.length - 1, arguments.length);\n            },\n\n            /**\n             * @private\n             */\n            onDataPop: function() {\n                this.getMeta().data.pop();\n            },\n\n            /**\n             * @private\n             */\n            onDataShift: function() {\n                this.getMeta().data.shift();\n            },\n\n            /**\n             * @private\n             */\n            onDataSplice: function(start, count) {\n                this.getMeta().data.splice(start, count);\n                this.insertElements(start, arguments.length - 2);\n            },\n\n            /**\n             * @private\n             */\n            onDataUnshift: function() {\n                this.insertElements(0, arguments.length);\n            }\n        });\n\n        Chart.DatasetController.extend = helpers.inherits;\n    };\n\n},{\"45\":45}],25:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = {\n        /**\n         * @private\n         */\n        _set: function(scope, values) {\n            return helpers.merge(this[scope] || (this[scope] = {}), values);\n        }\n    };\n\n},{\"45\":45}],26:[function(require,module,exports){\n    'use strict';\n\n    var color = require(2);\n    var helpers = require(45);\n\n    function interpolate(start, view, model, ease) {\n        var keys = Object.keys(model);\n        var i, ilen, key, actual, origin, target, type, c0, c1;\n\n        for (i = 0, ilen = keys.length; i < ilen; ++i) {\n            key = keys[i];\n\n            target = model[key];\n\n            // if a value is added to the model after pivot() has been called, the view\n            // doesn't contain it, so let's initialize the view to the target value.\n            if (!view.hasOwnProperty(key)) {\n                view[key] = target;\n            }\n\n            actual = view[key];\n\n            if (actual === target || key[0] === '_') {\n                continue;\n            }\n\n            if (!start.hasOwnProperty(key)) {\n                start[key] = actual;\n            }\n\n            origin = start[key];\n\n            type = typeof target;\n\n            if (type === typeof origin) {\n                if (type === 'string') {\n                    c0 = color(origin);\n                    if (c0.valid) {\n                        c1 = color(target);\n                        if (c1.valid) {\n                            view[key] = c1.mix(c0, ease).rgbString();\n                            continue;\n                        }\n                    }\n                } else if (type === 'number' && isFinite(origin) && isFinite(target)) {\n                    view[key] = origin + (target - origin) * ease;\n                    continue;\n                }\n            }\n\n            view[key] = target;\n        }\n    }\n\n    var Element = function(configuration) {\n        helpers.extend(this, configuration);\n        this.initialize.apply(this, arguments);\n    };\n\n    helpers.extend(Element.prototype, {\n\n        initialize: function() {\n            this.hidden = false;\n        },\n\n        pivot: function() {\n            var me = this;\n            if (!me._view) {\n                me._view = helpers.clone(me._model);\n            }\n            me._start = {};\n            return me;\n        },\n\n        transition: function(ease) {\n            var me = this;\n            var model = me._model;\n            var start = me._start;\n            var view = me._view;\n\n            // No animation -> No Transition\n            if (!model || ease === 1) {\n                me._view = model;\n                me._start = null;\n                return me;\n            }\n\n            if (!view) {\n                view = me._view = {};\n            }\n\n            if (!start) {\n                start = me._start = {};\n            }\n\n            interpolate(start, view, model, ease);\n\n            return me;\n        },\n\n        tooltipPosition: function() {\n            return {\n                x: this._model.x,\n                y: this._model.y\n            };\n        },\n\n        hasValue: function() {\n            return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);\n        }\n    });\n\n    Element.extend = helpers.inherits;\n\n    module.exports = Element;\n\n},{\"2\":2,\"45\":45}],27:[function(require,module,exports){\n\t/* global window: false */\n\t/* global document: false */\n    'use strict';\n\n    var color = require(2);\n    var defaults = require(25);\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        // -- Basic js utility methods\n\n        helpers.extend = function(base) {\n            var setFn = function(value, key) {\n                base[key] = value;\n            };\n            for (var i = 1, ilen = arguments.length; i < ilen; i++) {\n                helpers.each(arguments[i], setFn);\n            }\n            return base;\n        };\n\n        helpers.configMerge = function(/* objects ... */) {\n            return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n                merger: function(key, target, source, options) {\n                    var tval = target[key] || {};\n                    var sval = source[key];\n\n                    if (key === 'scales') {\n                        // scale config merging is complex. Add our own function here for that\n                        target[key] = helpers.scaleMerge(tval, sval);\n                    } else if (key === 'scale') {\n                        // used in polar area & radar charts since there is only one scale\n                        target[key] = helpers.merge(tval, [Chart.scaleService.getScaleDefaults(sval.type), sval]);\n                    } else {\n                        helpers._merger(key, target, source, options);\n                    }\n                }\n            });\n        };\n\n        helpers.scaleMerge = function(/* objects ... */) {\n            return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n                merger: function(key, target, source, options) {\n                    if (key === 'xAxes' || key === 'yAxes') {\n                        var slen = source[key].length;\n                        var i, type, scale;\n\n                        if (!target[key]) {\n                            target[key] = [];\n                        }\n\n                        for (i = 0; i < slen; ++i) {\n                            scale = source[key][i];\n                            type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear');\n\n                            if (i >= target[key].length) {\n                                target[key].push({});\n                            }\n\n                            if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) {\n                                // new/untyped scale or type changed: let's apply the new defaults\n                                // then merge source scale to correctly overwrite the defaults.\n                                helpers.merge(target[key][i], [Chart.scaleService.getScaleDefaults(type), scale]);\n                            } else {\n                                // scales type are the same\n                                helpers.merge(target[key][i], scale);\n                            }\n                        }\n                    } else {\n                        helpers._merger(key, target, source, options);\n                    }\n                }\n            });\n        };\n\n        helpers.where = function(collection, filterCallback) {\n            if (helpers.isArray(collection) && Array.prototype.filter) {\n                return collection.filter(filterCallback);\n            }\n            var filtered = [];\n\n            helpers.each(collection, function(item) {\n                if (filterCallback(item)) {\n                    filtered.push(item);\n                }\n            });\n\n            return filtered;\n        };\n        helpers.findIndex = Array.prototype.findIndex ?\n            function(array, callback, scope) {\n                return array.findIndex(callback, scope);\n            } :\n            function(array, callback, scope) {\n                scope = scope === undefined ? array : scope;\n                for (var i = 0, ilen = array.length; i < ilen; ++i) {\n                    if (callback.call(scope, array[i], i, array)) {\n                        return i;\n                    }\n                }\n                return -1;\n            };\n        helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {\n            // Default to start of the array\n            if (helpers.isNullOrUndef(startIndex)) {\n                startIndex = -1;\n            }\n            for (var i = startIndex + 1; i < arrayToSearch.length; i++) {\n                var currentItem = arrayToSearch[i];\n                if (filterCallback(currentItem)) {\n                    return currentItem;\n                }\n            }\n        };\n        helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {\n            // Default to end of the array\n            if (helpers.isNullOrUndef(startIndex)) {\n                startIndex = arrayToSearch.length;\n            }\n            for (var i = startIndex - 1; i >= 0; i--) {\n                var currentItem = arrayToSearch[i];\n                if (filterCallback(currentItem)) {\n                    return currentItem;\n                }\n            }\n        };\n        helpers.inherits = function(extensions) {\n            // Basic javascript inheritance based on the model created in Backbone.js\n            var me = this;\n            var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {\n                return me.apply(this, arguments);\n            };\n\n            var Surrogate = function() {\n                this.constructor = ChartElement;\n            };\n            Surrogate.prototype = me.prototype;\n            ChartElement.prototype = new Surrogate();\n\n            ChartElement.extend = helpers.inherits;\n\n            if (extensions) {\n                helpers.extend(ChartElement.prototype, extensions);\n            }\n\n            ChartElement.__super__ = me.prototype;\n\n            return ChartElement;\n        };\n        // -- Math methods\n        helpers.isNumber = function(n) {\n            return !isNaN(parseFloat(n)) && isFinite(n);\n        };\n        helpers.almostEquals = function(x, y, epsilon) {\n            return Math.abs(x - y) < epsilon;\n        };\n        helpers.almostWhole = function(x, epsilon) {\n            var rounded = Math.round(x);\n            return (((rounded - epsilon) < x) && ((rounded + epsilon) > x));\n        };\n        helpers.max = function(array) {\n            return array.reduce(function(max, value) {\n                if (!isNaN(value)) {\n                    return Math.max(max, value);\n                }\n                return max;\n            }, Number.NEGATIVE_INFINITY);\n        };\n        helpers.min = function(array) {\n            return array.reduce(function(min, value) {\n                if (!isNaN(value)) {\n                    return Math.min(min, value);\n                }\n                return min;\n            }, Number.POSITIVE_INFINITY);\n        };\n        helpers.sign = Math.sign ?\n            function(x) {\n                return Math.sign(x);\n            } :\n            function(x) {\n                x = +x; // convert to a number\n                if (x === 0 || isNaN(x)) {\n                    return x;\n                }\n                return x > 0 ? 1 : -1;\n            };\n        helpers.log10 = Math.log10 ?\n            function(x) {\n                return Math.log10(x);\n            } :\n            function(x) {\n                return Math.log(x) / Math.LN10;\n            };\n        helpers.toRadians = function(degrees) {\n            return degrees * (Math.PI / 180);\n        };\n        helpers.toDegrees = function(radians) {\n            return radians * (180 / Math.PI);\n        };\n        // Gets the angle from vertical upright to the point about a centre.\n        helpers.getAngleFromPoint = function(centrePoint, anglePoint) {\n            var distanceFromXCenter = anglePoint.x - centrePoint.x;\n            var distanceFromYCenter = anglePoint.y - centrePoint.y;\n            var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);\n\n            var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);\n\n            if (angle < (-0.5 * Math.PI)) {\n                angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]\n            }\n\n            return {\n                angle: angle,\n                distance: radialDistanceFromCenter\n            };\n        };\n        helpers.distanceBetweenPoints = function(pt1, pt2) {\n            return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));\n        };\n        helpers.aliasPixel = function(pixelWidth) {\n            return (pixelWidth % 2 === 0) ? 0 : 0.5;\n        };\n        helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {\n            // Props to Rob Spencer at scaled innovation for his post on splining between points\n            // http://scaledinnovation.com/analytics/splines/aboutSplines.html\n\n            // This function must also respect \"skipped\" points\n\n            var previous = firstPoint.skip ? middlePoint : firstPoint;\n            var current = middlePoint;\n            var next = afterPoint.skip ? middlePoint : afterPoint;\n\n            var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));\n            var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));\n\n            var s01 = d01 / (d01 + d12);\n            var s12 = d12 / (d01 + d12);\n\n            // If all points are the same, s01 & s02 will be inf\n            s01 = isNaN(s01) ? 0 : s01;\n            s12 = isNaN(s12) ? 0 : s12;\n\n            var fa = t * s01; // scaling factor for triangle Ta\n            var fb = t * s12;\n\n            return {\n                previous: {\n                    x: current.x - fa * (next.x - previous.x),\n                    y: current.y - fa * (next.y - previous.y)\n                },\n                next: {\n                    x: current.x + fb * (next.x - previous.x),\n                    y: current.y + fb * (next.y - previous.y)\n                }\n            };\n        };\n        helpers.EPSILON = Number.EPSILON || 1e-14;\n        helpers.splineCurveMonotone = function(points) {\n            // This function calculates Bézier control points in a similar way than |splineCurve|,\n            // but preserves monotonicity of the provided data and ensures no local extremums are added\n            // between the dataset discrete points due to the interpolation.\n            // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation\n\n            var pointsWithTangents = (points || []).map(function(point) {\n                return {\n                    model: point._model,\n                    deltaK: 0,\n                    mK: 0\n                };\n            });\n\n            // Calculate slopes (deltaK) and initialize tangents (mK)\n            var pointsLen = pointsWithTangents.length;\n            var i, pointBefore, pointCurrent, pointAfter;\n            for (i = 0; i < pointsLen; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                if (pointCurrent.model.skip) {\n                    continue;\n                }\n\n                pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n                pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n                if (pointAfter && !pointAfter.model.skip) {\n                    var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x);\n\n                    // In the case of two points that appear at the same x pixel, slopeDeltaX is 0\n                    pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0;\n                }\n\n                if (!pointBefore || pointBefore.model.skip) {\n                    pointCurrent.mK = pointCurrent.deltaK;\n                } else if (!pointAfter || pointAfter.model.skip) {\n                    pointCurrent.mK = pointBefore.deltaK;\n                } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) {\n                    pointCurrent.mK = 0;\n                } else {\n                    pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;\n                }\n            }\n\n            // Adjust tangents to ensure monotonic properties\n            var alphaK, betaK, tauK, squaredMagnitude;\n            for (i = 0; i < pointsLen - 1; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                pointAfter = pointsWithTangents[i + 1];\n                if (pointCurrent.model.skip || pointAfter.model.skip) {\n                    continue;\n                }\n\n                if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) {\n                    pointCurrent.mK = pointAfter.mK = 0;\n                    continue;\n                }\n\n                alphaK = pointCurrent.mK / pointCurrent.deltaK;\n                betaK = pointAfter.mK / pointCurrent.deltaK;\n                squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);\n                if (squaredMagnitude <= 9) {\n                    continue;\n                }\n\n                tauK = 3 / Math.sqrt(squaredMagnitude);\n                pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK;\n                pointAfter.mK = betaK * tauK * pointCurrent.deltaK;\n            }\n\n            // Compute control points\n            var deltaX;\n            for (i = 0; i < pointsLen; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                if (pointCurrent.model.skip) {\n                    continue;\n                }\n\n                pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n                pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n                if (pointBefore && !pointBefore.model.skip) {\n                    deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3;\n                    pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX;\n                    pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK;\n                }\n                if (pointAfter && !pointAfter.model.skip) {\n                    deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3;\n                    pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX;\n                    pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK;\n                }\n            }\n        };\n        helpers.nextItem = function(collection, index, loop) {\n            if (loop) {\n                return index >= collection.length - 1 ? collection[0] : collection[index + 1];\n            }\n            return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];\n        };\n        helpers.previousItem = function(collection, index, loop) {\n            if (loop) {\n                return index <= 0 ? collection[collection.length - 1] : collection[index - 1];\n            }\n            return index <= 0 ? collection[0] : collection[index - 1];\n        };\n        // Implementation of the nice number algorithm used in determining where axis labels will go\n        helpers.niceNum = function(range, round) {\n            var exponent = Math.floor(helpers.log10(range));\n            var fraction = range / Math.pow(10, exponent);\n            var niceFraction;\n\n            if (round) {\n                if (fraction < 1.5) {\n                    niceFraction = 1;\n                } else if (fraction < 3) {\n                    niceFraction = 2;\n                } else if (fraction < 7) {\n                    niceFraction = 5;\n                } else {\n                    niceFraction = 10;\n                }\n            } else if (fraction <= 1.0) {\n                niceFraction = 1;\n            } else if (fraction <= 2) {\n                niceFraction = 2;\n            } else if (fraction <= 5) {\n                niceFraction = 5;\n            } else {\n                niceFraction = 10;\n            }\n\n            return niceFraction * Math.pow(10, exponent);\n        };\n        // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/\n        helpers.requestAnimFrame = (function() {\n            if (typeof window === 'undefined') {\n                return function(callback) {\n                    callback();\n                };\n            }\n            return window.requestAnimationFrame ||\n                window.webkitRequestAnimationFrame ||\n                window.mozRequestAnimationFrame ||\n                window.oRequestAnimationFrame ||\n                window.msRequestAnimationFrame ||\n                function(callback) {\n                    return window.setTimeout(callback, 1000 / 60);\n                };\n        }());\n        // -- DOM methods\n        helpers.getRelativePosition = function(evt, chart) {\n            var mouseX, mouseY;\n            var e = evt.originalEvent || evt;\n            var canvas = evt.currentTarget || evt.srcElement;\n            var boundingRect = canvas.getBoundingClientRect();\n\n            var touches = e.touches;\n            if (touches && touches.length > 0) {\n                mouseX = touches[0].clientX;\n                mouseY = touches[0].clientY;\n\n            } else {\n                mouseX = e.clientX;\n                mouseY = e.clientY;\n            }\n\n            // Scale mouse coordinates into canvas coordinates\n            // by following the pattern laid out by 'jerryj' in the comments of\n            // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/\n            var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left'));\n            var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top'));\n            var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right'));\n            var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom'));\n            var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;\n            var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;\n\n            // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However\n            // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here\n            mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);\n            mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);\n\n            return {\n                x: mouseX,\n                y: mouseY\n            };\n\n        };\n\n        // Private helper function to convert max-width/max-height values that may be percentages into a number\n        function parseMaxStyle(styleValue, node, parentProperty) {\n            var valueInPixels;\n            if (typeof styleValue === 'string') {\n                valueInPixels = parseInt(styleValue, 10);\n\n                if (styleValue.indexOf('%') !== -1) {\n                    // percentage * size in dimension\n                    valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];\n                }\n            } else {\n                valueInPixels = styleValue;\n            }\n\n            return valueInPixels;\n        }\n\n        /**\n         * Returns if the given value contains an effective constraint.\n         * @private\n         */\n        function isConstrainedValue(value) {\n            return value !== undefined && value !== null && value !== 'none';\n        }\n\n        // Private helper to get a constraint dimension\n        // @param domNode : the node to check the constraint on\n        // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight)\n        // @param percentageProperty : property of parent to use when calculating width as a percentage\n        // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser\n        function getConstraintDimension(domNode, maxStyle, percentageProperty) {\n            var view = document.defaultView;\n            var parentNode = domNode.parentNode;\n            var constrainedNode = view.getComputedStyle(domNode)[maxStyle];\n            var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle];\n            var hasCNode = isConstrainedValue(constrainedNode);\n            var hasCContainer = isConstrainedValue(constrainedContainer);\n            var infinity = Number.POSITIVE_INFINITY;\n\n            if (hasCNode || hasCContainer) {\n                return Math.min(\n                    hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity,\n                    hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity);\n            }\n\n            return 'none';\n        }\n        // returns Number or undefined if no constraint\n        helpers.getConstraintWidth = function(domNode) {\n            return getConstraintDimension(domNode, 'max-width', 'clientWidth');\n        };\n        // returns Number or undefined if no constraint\n        helpers.getConstraintHeight = function(domNode) {\n            return getConstraintDimension(domNode, 'max-height', 'clientHeight');\n        };\n        helpers.getMaximumWidth = function(domNode) {\n            var container = domNode.parentNode;\n            if (!container) {\n                return domNode.clientWidth;\n            }\n\n            var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10);\n            var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10);\n            var w = container.clientWidth - paddingLeft - paddingRight;\n            var cw = helpers.getConstraintWidth(domNode);\n            return isNaN(cw) ? w : Math.min(w, cw);\n        };\n        helpers.getMaximumHeight = function(domNode) {\n            var container = domNode.parentNode;\n            if (!container) {\n                return domNode.clientHeight;\n            }\n\n            var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10);\n            var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10);\n            var h = container.clientHeight - paddingTop - paddingBottom;\n            var ch = helpers.getConstraintHeight(domNode);\n            return isNaN(ch) ? h : Math.min(h, ch);\n        };\n        helpers.getStyle = function(el, property) {\n            return el.currentStyle ?\n                el.currentStyle[property] :\n                document.defaultView.getComputedStyle(el, null).getPropertyValue(property);\n        };\n        helpers.retinaScale = function(chart, forceRatio) {\n            var pixelRatio = chart.currentDevicePixelRatio = forceRatio || window.devicePixelRatio || 1;\n            if (pixelRatio === 1) {\n                return;\n            }\n\n            var canvas = chart.canvas;\n            var height = chart.height;\n            var width = chart.width;\n\n            canvas.height = height * pixelRatio;\n            canvas.width = width * pixelRatio;\n            chart.ctx.scale(pixelRatio, pixelRatio);\n\n            // If no style has been set on the canvas, the render size is used as display size,\n            // making the chart visually bigger, so let's enforce it to the \"correct\" values.\n            // See https://github.com/chartjs/Chart.js/issues/3575\n            canvas.style.height = height + 'px';\n            canvas.style.width = width + 'px';\n        };\n        // -- Canvas methods\n        helpers.fontString = function(pixelSize, fontStyle, fontFamily) {\n            return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;\n        };\n        helpers.longestText = function(ctx, font, arrayOfThings, cache) {\n            cache = cache || {};\n            var data = cache.data = cache.data || {};\n            var gc = cache.garbageCollect = cache.garbageCollect || [];\n\n            if (cache.font !== font) {\n                data = cache.data = {};\n                gc = cache.garbageCollect = [];\n                cache.font = font;\n            }\n\n            ctx.font = font;\n            var longest = 0;\n            helpers.each(arrayOfThings, function(thing) {\n                // Undefined strings and arrays should not be measured\n                if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) {\n                    longest = helpers.measureText(ctx, data, gc, longest, thing);\n                } else if (helpers.isArray(thing)) {\n                    // if it is an array lets measure each element\n                    // to do maybe simplify this function a bit so we can do this more recursively?\n                    helpers.each(thing, function(nestedThing) {\n                        // Undefined strings and arrays should not be measured\n                        if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) {\n                            longest = helpers.measureText(ctx, data, gc, longest, nestedThing);\n                        }\n                    });\n                }\n            });\n\n            var gcLen = gc.length / 2;\n            if (gcLen > arrayOfThings.length) {\n                for (var i = 0; i < gcLen; i++) {\n                    delete data[gc[i]];\n                }\n                gc.splice(0, gcLen);\n            }\n            return longest;\n        };\n        helpers.measureText = function(ctx, data, gc, longest, string) {\n            var textWidth = data[string];\n            if (!textWidth) {\n                textWidth = data[string] = ctx.measureText(string).width;\n                gc.push(string);\n            }\n            if (textWidth > longest) {\n                longest = textWidth;\n            }\n            return longest;\n        };\n        helpers.numberOfLabelLines = function(arrayOfThings) {\n            var numberOfLines = 1;\n            helpers.each(arrayOfThings, function(thing) {\n                if (helpers.isArray(thing)) {\n                    if (thing.length > numberOfLines) {\n                        numberOfLines = thing.length;\n                    }\n                }\n            });\n            return numberOfLines;\n        };\n\n        helpers.color = !color ?\n            function(value) {\n                console.error('Color.js not found!');\n                return value;\n            } :\n            function(value) {\n\t\t\t\t/* global CanvasGradient */\n                if (value instanceof CanvasGradient) {\n                    value = defaults.global.defaultColor;\n                }\n\n                return color(value);\n            };\n\n        helpers.getHoverColor = function(colorValue) {\n\t\t\t/* global CanvasPattern */\n            return (colorValue instanceof CanvasPattern) ?\n                colorValue :\n                helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString();\n        };\n    };\n\n},{\"2\":2,\"25\":25,\"45\":45}],28:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    /**\n     * Helper function to get relative position for an event\n     * @param {Event|IEvent} event - The event to get the position for\n     * @param {Chart} chart - The chart\n     * @returns {Point} the event position\n     */\n    function getRelativePosition(e, chart) {\n        if (e.native) {\n            return {\n                x: e.x,\n                y: e.y\n            };\n        }\n\n        return helpers.getRelativePosition(e, chart);\n    }\n\n    /**\n     * Helper function to traverse all of the visible elements in the chart\n     * @param chart {chart} the chart\n     * @param handler {Function} the callback to execute for each visible item\n     */\n    function parseVisibleItems(chart, handler) {\n        var datasets = chart.data.datasets;\n        var meta, i, j, ilen, jlen;\n\n        for (i = 0, ilen = datasets.length; i < ilen; ++i) {\n            if (!chart.isDatasetVisible(i)) {\n                continue;\n            }\n\n            meta = chart.getDatasetMeta(i);\n            for (j = 0, jlen = meta.data.length; j < jlen; ++j) {\n                var element = meta.data[j];\n                if (!element._view.skip) {\n                    handler(element);\n                }\n            }\n        }\n    }\n\n    /**\n     * Helper function to get the items that intersect the event position\n     * @param items {ChartElement[]} elements to filter\n     * @param position {Point} the point to be nearest to\n     * @return {ChartElement[]} the nearest items\n     */\n    function getIntersectItems(chart, position) {\n        var elements = [];\n\n        parseVisibleItems(chart, function(element) {\n            if (element.inRange(position.x, position.y)) {\n                elements.push(element);\n            }\n        });\n\n        return elements;\n    }\n\n    /**\n     * Helper function to get the items nearest to the event position considering all visible items in teh chart\n     * @param chart {Chart} the chart to look at elements from\n     * @param position {Point} the point to be nearest to\n     * @param intersect {Boolean} if true, only consider items that intersect the position\n     * @param distanceMetric {Function} function to provide the distance between points\n     * @return {ChartElement[]} the nearest items\n     */\n    function getNearestItems(chart, position, intersect, distanceMetric) {\n        var minDistance = Number.POSITIVE_INFINITY;\n        var nearestItems = [];\n\n        parseVisibleItems(chart, function(element) {\n            if (intersect && !element.inRange(position.x, position.y)) {\n                return;\n            }\n\n            var center = element.getCenterPoint();\n            var distance = distanceMetric(position, center);\n\n            if (distance < minDistance) {\n                nearestItems = [element];\n                minDistance = distance;\n            } else if (distance === minDistance) {\n                // Can have multiple items at the same distance in which case we sort by size\n                nearestItems.push(element);\n            }\n        });\n\n        return nearestItems;\n    }\n\n    /**\n     * Get a distance metric function for two points based on the\n     * axis mode setting\n     * @param {String} axis the axis mode. x|y|xy\n     */\n    function getDistanceMetricForAxis(axis) {\n        var useX = axis.indexOf('x') !== -1;\n        var useY = axis.indexOf('y') !== -1;\n\n        return function(pt1, pt2) {\n            var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\n            var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\n            return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\n        };\n    }\n\n    function indexMode(chart, e, options) {\n        var position = getRelativePosition(e, chart);\n        // Default axis for index mode is 'x' to match old behaviour\n        options.axis = options.axis || 'x';\n        var distanceMetric = getDistanceMetricForAxis(options.axis);\n        var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n        var elements = [];\n\n        if (!items.length) {\n            return [];\n        }\n\n        chart.data.datasets.forEach(function(dataset, datasetIndex) {\n            if (chart.isDatasetVisible(datasetIndex)) {\n                var meta = chart.getDatasetMeta(datasetIndex);\n                var element = meta.data[items[0]._index];\n\n                // don't count items that are skipped (null data)\n                if (element && !element._view.skip) {\n                    elements.push(element);\n                }\n            }\n        });\n\n        return elements;\n    }\n\n    /**\n     * @interface IInteractionOptions\n     */\n    /**\n     * If true, only consider items that intersect the point\n     * @name IInterfaceOptions#boolean\n     * @type Boolean\n     */\n\n    /**\n     * Contains interaction related functions\n     * @namespace Chart.Interaction\n     */\n    module.exports = {\n        // Helper function for different modes\n        modes: {\n            single: function(chart, e) {\n                var position = getRelativePosition(e, chart);\n                var elements = [];\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inRange(position.x, position.y)) {\n                        elements.push(element);\n                        return elements;\n                    }\n                });\n\n                return elements.slice(0, 1);\n            },\n\n            /**\n             * @function Chart.Interaction.modes.label\n             * @deprecated since version 2.4.0\n             * @todo remove at version 3\n             * @private\n             */\n            label: indexMode,\n\n            /**\n             * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something\n             * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item\n             * @function Chart.Interaction.modes.index\n             * @since v2.4.0\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use during interaction\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            index: indexMode,\n\n            /**\n             * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something\n             * If the options.intersect is false, we find the nearest item and return the items in that dataset\n             * @function Chart.Interaction.modes.dataset\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use during interaction\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            dataset: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                options.axis = options.axis || 'xy';\n                var distanceMetric = getDistanceMetricForAxis(options.axis);\n                var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n\n                if (items.length > 0) {\n                    items = chart.getDatasetMeta(items[0]._datasetIndex).data;\n                }\n\n                return items;\n            },\n\n            /**\n             * @function Chart.Interaction.modes.x-axis\n             * @deprecated since version 2.4.0. Use index mode and intersect == true\n             * @todo remove at version 3\n             * @private\n             */\n            'x-axis': function(chart, e) {\n                return indexMode(chart, e, {intersect: true});\n            },\n\n            /**\n             * Point mode returns all elements that hit test based on the event position\n             * of the event\n             * @function Chart.Interaction.modes.intersect\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            point: function(chart, e) {\n                var position = getRelativePosition(e, chart);\n                return getIntersectItems(chart, position);\n            },\n\n            /**\n             * nearest mode returns the element closest to the point\n             * @function Chart.Interaction.modes.intersect\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            nearest: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                options.axis = options.axis || 'xy';\n                var distanceMetric = getDistanceMetricForAxis(options.axis);\n                var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric);\n\n                // We have multiple items at the same distance from the event. Now sort by smallest\n                if (nearestItems.length > 1) {\n                    nearestItems.sort(function(a, b) {\n                        var sizeA = a.getArea();\n                        var sizeB = b.getArea();\n                        var ret = sizeA - sizeB;\n\n                        if (ret === 0) {\n                            // if equal sort by dataset index\n                            ret = a._datasetIndex - b._datasetIndex;\n                        }\n\n                        return ret;\n                    });\n                }\n\n                // Return only 1 item\n                return nearestItems.slice(0, 1);\n            },\n\n            /**\n             * x mode returns the elements that hit-test at the current x coordinate\n             * @function Chart.Interaction.modes.x\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            x: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                var items = [];\n                var intersectsItem = false;\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inXRange(position.x)) {\n                        items.push(element);\n                    }\n\n                    if (element.inRange(position.x, position.y)) {\n                        intersectsItem = true;\n                    }\n                });\n\n                // If we want to trigger on an intersect and we don't have any items\n                // that intersect the position, return nothing\n                if (options.intersect && !intersectsItem) {\n                    items = [];\n                }\n                return items;\n            },\n\n            /**\n             * y mode returns the elements that hit-test at the current y coordinate\n             * @function Chart.Interaction.modes.y\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            y: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                var items = [];\n                var intersectsItem = false;\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inYRange(position.y)) {\n                        items.push(element);\n                    }\n\n                    if (element.inRange(position.x, position.y)) {\n                        intersectsItem = true;\n                    }\n                });\n\n                // If we want to trigger on an intersect and we don't have any items\n                // that intersect the position, return nothing\n                if (options.intersect && !intersectsItem) {\n                    items = [];\n                }\n                return items;\n            }\n        }\n    };\n\n},{\"45\":45}],29:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n\n    defaults._set('global', {\n        responsive: true,\n        responsiveAnimationDuration: 0,\n        maintainAspectRatio: true,\n        events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'],\n        hover: {\n            onHover: null,\n            mode: 'nearest',\n            intersect: true,\n            animationDuration: 400\n        },\n        onClick: null,\n        defaultColor: 'rgba(0,0,0,0.1)',\n        defaultFontColor: '#666',\n        defaultFontFamily: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\n        defaultFontSize: 12,\n        defaultFontStyle: 'normal',\n        showLines: true,\n\n        // Element defaults defined in element extensions\n        elements: {},\n\n        // Layout options such as padding\n        layout: {\n            padding: {\n                top: 0,\n                right: 0,\n                bottom: 0,\n                left: 0\n            }\n        }\n    });\n\n    module.exports = function() {\n\n        // Occupy the global variable of Chart, and create a simple base class\n        var Chart = function(item, config) {\n            this.construct(item, config);\n            return this;\n        };\n\n        Chart.Chart = Chart;\n\n        return Chart;\n    };\n\n},{\"25\":25}],30:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        function filterByPosition(array, position) {\n            return helpers.where(array, function(v) {\n                return v.position === position;\n            });\n        }\n\n        function sortByWeight(array, reverse) {\n            array.forEach(function(v, i) {\n                v._tmpIndex_ = i;\n                return v;\n            });\n            array.sort(function(a, b) {\n                var v0 = reverse ? b : a;\n                var v1 = reverse ? a : b;\n                return v0.weight === v1.weight ?\n                    v0._tmpIndex_ - v1._tmpIndex_ :\n                    v0.weight - v1.weight;\n            });\n            array.forEach(function(v) {\n                delete v._tmpIndex_;\n            });\n        }\n\n        /**\n         * @interface ILayoutItem\n         * @prop {String} position - The position of the item in the chart layout. Possible values are\n         * 'left', 'top', 'right', 'bottom', and 'chartArea'\n         * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area\n         * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down\n         * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)\n         * @prop {Function} update - Takes two parameters: width and height. Returns size of item\n         * @prop {Function} getPadding -  Returns an object with padding on the edges\n         * @prop {Number} width - Width of item. Must be valid after update()\n         * @prop {Number} height - Height of item. Must be valid after update()\n         * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update\n         */\n\n        // The layout service is very self explanatory.  It's responsible for the layout within a chart.\n        // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need\n        // It is this service's responsibility of carrying out that layout.\n        Chart.layoutService = {\n            defaults: {},\n\n            /**\n             * Register a box to a chart.\n             * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.\n             * @param {Chart} chart - the chart to use\n             * @param {ILayoutItem} item - the item to add to be layed out\n             */\n            addBox: function(chart, item) {\n                if (!chart.boxes) {\n                    chart.boxes = [];\n                }\n\n                // initialize item with default values\n                item.fullWidth = item.fullWidth || false;\n                item.position = item.position || 'top';\n                item.weight = item.weight || 0;\n\n                chart.boxes.push(item);\n            },\n\n            /**\n             * Remove a layoutItem from a chart\n             * @param {Chart} chart - the chart to remove the box from\n             * @param {Object} layoutItem - the item to remove from the layout\n             */\n            removeBox: function(chart, layoutItem) {\n                var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\n                if (index !== -1) {\n                    chart.boxes.splice(index, 1);\n                }\n            },\n\n            /**\n             * Sets (or updates) options on the given `item`.\n             * @param {Chart} chart - the chart in which the item lives (or will be added to)\n             * @param {Object} item - the item to configure with the given options\n             * @param {Object} options - the new item options.\n             */\n            configure: function(chart, item, options) {\n                var props = ['fullWidth', 'position', 'weight'];\n                var ilen = props.length;\n                var i = 0;\n                var prop;\n\n                for (; i < ilen; ++i) {\n                    prop = props[i];\n                    if (options.hasOwnProperty(prop)) {\n                        item[prop] = options[prop];\n                    }\n                }\n            },\n\n            /**\n             * Fits boxes of the given chart into the given size by having each box measure itself\n             * then running a fitting algorithm\n             * @param {Chart} chart - the chart\n             * @param {Number} width - the width to fit into\n             * @param {Number} height - the height to fit into\n             */\n            update: function(chart, width, height) {\n                if (!chart) {\n                    return;\n                }\n\n                var layoutOptions = chart.options.layout || {};\n                var padding = helpers.options.toPadding(layoutOptions.padding);\n                var leftPadding = padding.left;\n                var rightPadding = padding.right;\n                var topPadding = padding.top;\n                var bottomPadding = padding.bottom;\n\n                var leftBoxes = filterByPosition(chart.boxes, 'left');\n                var rightBoxes = filterByPosition(chart.boxes, 'right');\n                var topBoxes = filterByPosition(chart.boxes, 'top');\n                var bottomBoxes = filterByPosition(chart.boxes, 'bottom');\n                var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea');\n\n                // Sort boxes by weight. A higher weight is further away from the chart area\n                sortByWeight(leftBoxes, true);\n                sortByWeight(rightBoxes, false);\n                sortByWeight(topBoxes, true);\n                sortByWeight(bottomBoxes, false);\n\n                // Essentially we now have any number of boxes on each of the 4 sides.\n                // Our canvas looks like the following.\n                // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and\n                // B1 is the bottom axis\n                // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays\n                // These locations are single-box locations only, when trying to register a chartArea location that is already taken,\n                // an error will be thrown.\n                //\n                // |----------------------------------------------------|\n                // |                  T1 (Full Width)                   |\n                // |----------------------------------------------------|\n                // |    |    |                 T2                  |    |\n                // |    |----|-------------------------------------|----|\n                // |    |    | C1 |                           | C2 |    |\n                // |    |    |----|                           |----|    |\n                // |    |    |                                     |    |\n                // | L1 | L2 |           ChartArea (C0)            | R1 |\n                // |    |    |                                     |    |\n                // |    |    |----|                           |----|    |\n                // |    |    | C3 |                           | C4 |    |\n                // |    |----|-------------------------------------|----|\n                // |    |    |                 B1                  |    |\n                // |----------------------------------------------------|\n                // |                  B2 (Full Width)                   |\n                // |----------------------------------------------------|\n                //\n                // What we do to find the best sizing, we do the following\n                // 1. Determine the minimum size of the chart area.\n                // 2. Split the remaining width equally between each vertical axis\n                // 3. Split the remaining height equally between each horizontal axis\n                // 4. Give each layout the maximum size it can be. The layout will return it's minimum size\n                // 5. Adjust the sizes of each axis based on it's minimum reported size.\n                // 6. Refit each axis\n                // 7. Position each axis in the final location\n                // 8. Tell the chart the final location of the chart area\n                // 9. Tell any axes that overlay the chart area the positions of the chart area\n\n                // Step 1\n                var chartWidth = width - leftPadding - rightPadding;\n                var chartHeight = height - topPadding - bottomPadding;\n                var chartAreaWidth = chartWidth / 2; // min 50%\n                var chartAreaHeight = chartHeight / 2; // min 50%\n\n                // Step 2\n                var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length);\n\n                // Step 3\n                var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length);\n\n                // Step 4\n                var maxChartAreaWidth = chartWidth;\n                var maxChartAreaHeight = chartHeight;\n                var minBoxSizes = [];\n\n                function getMinimumBoxSize(box) {\n                    var minSize;\n                    var isHorizontal = box.isHorizontal();\n\n                    if (isHorizontal) {\n                        minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);\n                        maxChartAreaHeight -= minSize.height;\n                    } else {\n                        minSize = box.update(verticalBoxWidth, chartAreaHeight);\n                        maxChartAreaWidth -= minSize.width;\n                    }\n\n                    minBoxSizes.push({\n                        horizontal: isHorizontal,\n                        minSize: minSize,\n                        box: box,\n                    });\n                }\n\n                helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize);\n\n                // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478)\n                var maxHorizontalLeftPadding = 0;\n                var maxHorizontalRightPadding = 0;\n                var maxVerticalTopPadding = 0;\n                var maxVerticalBottomPadding = 0;\n\n                helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) {\n                    if (horizontalBox.getPadding) {\n                        var boxPadding = horizontalBox.getPadding();\n                        maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left);\n                        maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right);\n                    }\n                });\n\n                helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) {\n                    if (verticalBox.getPadding) {\n                        var boxPadding = verticalBox.getPadding();\n                        maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top);\n                        maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom);\n                    }\n                });\n\n                // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could\n                // be if the axes are drawn at their minimum sizes.\n                // Steps 5 & 6\n                var totalLeftBoxesWidth = leftPadding;\n                var totalRightBoxesWidth = rightPadding;\n                var totalTopBoxesHeight = topPadding;\n                var totalBottomBoxesHeight = bottomPadding;\n\n                // Function to fit a box\n                function fitBox(box) {\n                    var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) {\n                        return minBox.box === box;\n                    });\n\n                    if (minBoxSize) {\n                        if (box.isHorizontal()) {\n                            var scaleMargin = {\n                                left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding),\n                                right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding),\n                                top: 0,\n                                bottom: 0\n                            };\n\n                            // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends\n                            // on the margin. Sometimes they need to increase in size slightly\n                            box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin);\n                        } else {\n                            box.update(minBoxSize.minSize.width, maxChartAreaHeight);\n                        }\n                    }\n                }\n\n                // Update, and calculate the left and right margins for the horizontal boxes\n                helpers.each(leftBoxes.concat(rightBoxes), fitBox);\n\n                helpers.each(leftBoxes, function(box) {\n                    totalLeftBoxesWidth += box.width;\n                });\n\n                helpers.each(rightBoxes, function(box) {\n                    totalRightBoxesWidth += box.width;\n                });\n\n                // Set the Left and Right margins for the horizontal boxes\n                helpers.each(topBoxes.concat(bottomBoxes), fitBox);\n\n                // Figure out how much margin is on the top and bottom of the vertical boxes\n                helpers.each(topBoxes, function(box) {\n                    totalTopBoxesHeight += box.height;\n                });\n\n                helpers.each(bottomBoxes, function(box) {\n                    totalBottomBoxesHeight += box.height;\n                });\n\n                function finalFitVerticalBox(box) {\n                    var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) {\n                        return minSize.box === box;\n                    });\n\n                    var scaleMargin = {\n                        left: 0,\n                        right: 0,\n                        top: totalTopBoxesHeight,\n                        bottom: totalBottomBoxesHeight\n                    };\n\n                    if (minBoxSize) {\n                        box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin);\n                    }\n                }\n\n                // Let the left layout know the final margin\n                helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox);\n\n                // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance)\n                totalLeftBoxesWidth = leftPadding;\n                totalRightBoxesWidth = rightPadding;\n                totalTopBoxesHeight = topPadding;\n                totalBottomBoxesHeight = bottomPadding;\n\n                helpers.each(leftBoxes, function(box) {\n                    totalLeftBoxesWidth += box.width;\n                });\n\n                helpers.each(rightBoxes, function(box) {\n                    totalRightBoxesWidth += box.width;\n                });\n\n                helpers.each(topBoxes, function(box) {\n                    totalTopBoxesHeight += box.height;\n                });\n                helpers.each(bottomBoxes, function(box) {\n                    totalBottomBoxesHeight += box.height;\n                });\n\n                // We may be adding some padding to account for rotated x axis labels\n                var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0);\n                totalLeftBoxesWidth += leftPaddingAddition;\n                totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0);\n\n                var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0);\n                totalTopBoxesHeight += topPaddingAddition;\n                totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0);\n\n                // Figure out if our chart area changed. This would occur if the dataset layout label rotation\n                // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do\n                // without calling `fit` again\n                var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight;\n                var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth;\n\n                if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) {\n                    helpers.each(leftBoxes, function(box) {\n                        box.height = newMaxChartAreaHeight;\n                    });\n\n                    helpers.each(rightBoxes, function(box) {\n                        box.height = newMaxChartAreaHeight;\n                    });\n\n                    helpers.each(topBoxes, function(box) {\n                        if (!box.fullWidth) {\n                            box.width = newMaxChartAreaWidth;\n                        }\n                    });\n\n                    helpers.each(bottomBoxes, function(box) {\n                        if (!box.fullWidth) {\n                            box.width = newMaxChartAreaWidth;\n                        }\n                    });\n\n                    maxChartAreaHeight = newMaxChartAreaHeight;\n                    maxChartAreaWidth = newMaxChartAreaWidth;\n                }\n\n                // Step 7 - Position the boxes\n                var left = leftPadding + leftPaddingAddition;\n                var top = topPadding + topPaddingAddition;\n\n                function placeBox(box) {\n                    if (box.isHorizontal()) {\n                        box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth;\n                        box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth;\n                        box.top = top;\n                        box.bottom = top + box.height;\n\n                        // Move to next point\n                        top = box.bottom;\n\n                    } else {\n\n                        box.left = left;\n                        box.right = left + box.width;\n                        box.top = totalTopBoxesHeight;\n                        box.bottom = totalTopBoxesHeight + maxChartAreaHeight;\n\n                        // Move to next point\n                        left = box.right;\n                    }\n                }\n\n                helpers.each(leftBoxes.concat(topBoxes), placeBox);\n\n                // Account for chart width and height\n                left += maxChartAreaWidth;\n                top += maxChartAreaHeight;\n\n                helpers.each(rightBoxes, placeBox);\n                helpers.each(bottomBoxes, placeBox);\n\n                // Step 8\n                chart.chartArea = {\n                    left: totalLeftBoxesWidth,\n                    top: totalTopBoxesHeight,\n                    right: totalLeftBoxesWidth + maxChartAreaWidth,\n                    bottom: totalTopBoxesHeight + maxChartAreaHeight\n                };\n\n                // Step 9\n                helpers.each(chartAreaBoxes, function(box) {\n                    box.left = chart.chartArea.left;\n                    box.top = chart.chartArea.top;\n                    box.right = chart.chartArea.right;\n                    box.bottom = chart.chartArea.bottom;\n\n                    box.update(maxChartAreaWidth, maxChartAreaHeight);\n                });\n            }\n        };\n    };\n\n},{\"45\":45}],31:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        plugins: {}\n    });\n\n    module.exports = function(Chart) {\n\n        /**\n         * The plugin service singleton\n         * @namespace Chart.plugins\n         * @since 2.1.0\n         */\n        Chart.plugins = {\n            /**\n             * Globally registered plugins.\n             * @private\n             */\n            _plugins: [],\n\n            /**\n             * This identifier is used to invalidate the descriptors cache attached to each chart\n             * when a global plugin is registered or unregistered. In this case, the cache ID is\n             * incremented and descriptors are regenerated during following API calls.\n             * @private\n             */\n            _cacheId: 0,\n\n            /**\n             * Registers the given plugin(s) if not already registered.\n             * @param {Array|Object} plugins plugin instance(s).\n             */\n            register: function(plugins) {\n                var p = this._plugins;\n                ([]).concat(plugins).forEach(function(plugin) {\n                    if (p.indexOf(plugin) === -1) {\n                        p.push(plugin);\n                    }\n                });\n\n                this._cacheId++;\n            },\n\n            /**\n             * Unregisters the given plugin(s) only if registered.\n             * @param {Array|Object} plugins plugin instance(s).\n             */\n            unregister: function(plugins) {\n                var p = this._plugins;\n                ([]).concat(plugins).forEach(function(plugin) {\n                    var idx = p.indexOf(plugin);\n                    if (idx !== -1) {\n                        p.splice(idx, 1);\n                    }\n                });\n\n                this._cacheId++;\n            },\n\n            /**\n             * Remove all registered plugins.\n             * @since 2.1.5\n             */\n            clear: function() {\n                this._plugins = [];\n                this._cacheId++;\n            },\n\n            /**\n             * Returns the number of registered plugins?\n             * @returns {Number}\n             * @since 2.1.5\n             */\n            count: function() {\n                return this._plugins.length;\n            },\n\n            /**\n             * Returns all registered plugin instances.\n             * @returns {Array} array of plugin objects.\n             * @since 2.1.5\n             */\n            getAll: function() {\n                return this._plugins;\n            },\n\n            /**\n             * Calls enabled plugins for `chart` on the specified hook and with the given args.\n             * This method immediately returns as soon as a plugin explicitly returns false. The\n             * returned value can be used, for instance, to interrupt the current action.\n             * @param {Object} chart - The chart instance for which plugins should be called.\n             * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate').\n             * @param {Array} [args] - Extra arguments to apply to the hook call.\n             * @returns {Boolean} false if any of the plugins return false, else returns true.\n             */\n            notify: function(chart, hook, args) {\n                var descriptors = this.descriptors(chart);\n                var ilen = descriptors.length;\n                var i, descriptor, plugin, params, method;\n\n                for (i = 0; i < ilen; ++i) {\n                    descriptor = descriptors[i];\n                    plugin = descriptor.plugin;\n                    method = plugin[hook];\n                    if (typeof method === 'function') {\n                        params = [chart].concat(args || []);\n                        params.push(descriptor.options);\n                        if (method.apply(plugin, params) === false) {\n                            return false;\n                        }\n                    }\n                }\n\n                return true;\n            },\n\n            /**\n             * Returns descriptors of enabled plugins for the given chart.\n             * @returns {Array} [{ plugin, options }]\n             * @private\n             */\n            descriptors: function(chart) {\n                var cache = chart._plugins || (chart._plugins = {});\n                if (cache.id === this._cacheId) {\n                    return cache.descriptors;\n                }\n\n                var plugins = [];\n                var descriptors = [];\n                var config = (chart && chart.config) || {};\n                var options = (config.options && config.options.plugins) || {};\n\n                this._plugins.concat(config.plugins || []).forEach(function(plugin) {\n                    var idx = plugins.indexOf(plugin);\n                    if (idx !== -1) {\n                        return;\n                    }\n\n                    var id = plugin.id;\n                    var opts = options[id];\n                    if (opts === false) {\n                        return;\n                    }\n\n                    if (opts === true) {\n                        opts = helpers.clone(defaults.global.plugins[id]);\n                    }\n\n                    plugins.push(plugin);\n                    descriptors.push({\n                        plugin: plugin,\n                        options: opts || {}\n                    });\n                });\n\n                cache.descriptors = descriptors;\n                cache.id = this._cacheId;\n                return descriptors;\n            }\n        };\n\n        /**\n         * Plugin extension hooks.\n         * @interface IPlugin\n         * @since 2.1.0\n         */\n        /**\n         * @method IPlugin#beforeInit\n         * @desc Called before initializing `chart`.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#afterInit\n         * @desc Called after `chart` has been initialized and before the first update.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeUpdate\n         * @desc Called before updating `chart`. If any plugin returns `false`, the update\n         * is cancelled (and thus subsequent render(s)) until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart update.\n         */\n        /**\n         * @method IPlugin#afterUpdate\n         * @desc Called after `chart` has been updated and before rendering. Note that this\n         * hook will not be called if the chart update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetsUpdate\n         * @desc Called before updating the `chart` datasets. If any plugin returns `false`,\n         * the datasets update is cancelled until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} false to cancel the datasets update.\n         * @since version 2.1.5\n         */\n        /**\n         * @method IPlugin#afterDatasetsUpdate\n         * @desc Called after the `chart` datasets have been updated. Note that this hook\n         * will not be called if the datasets update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @since version 2.1.5\n         */\n        /**\n         * @method IPlugin#beforeDatasetUpdate\n         * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin\n         * returns `false`, the datasets update is cancelled until another `update` is triggered.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetUpdate\n         * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note\n         * that this hook will not be called if the datasets update has been previously cancelled.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeLayout\n         * @desc Called before laying out `chart`. If any plugin returns `false`,\n         * the layout update is cancelled until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart layout.\n         */\n        /**\n         * @method IPlugin#afterLayout\n         * @desc Called after the `chart` has been layed out. Note that this hook will not\n         * be called if the layout update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeRender\n         * @desc Called before rendering `chart`. If any plugin returns `false`,\n         * the rendering is cancelled until another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart rendering.\n         */\n        /**\n         * @method IPlugin#afterRender\n         * @desc Called after the `chart` has been fully rendered (and animation completed). Note\n         * that this hook will not be called if the rendering has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDraw\n         * @desc Called before drawing `chart` at every animation frame specified by the given\n         * easing value. If any plugin returns `false`, the frame drawing is cancelled until\n         * another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart drawing.\n         */\n        /**\n         * @method IPlugin#afterDraw\n         * @desc Called after the `chart` has been drawn for the specific easing value. Note\n         * that this hook will not be called if the drawing has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetsDraw\n         * @desc Called before drawing the `chart` datasets. If any plugin returns `false`,\n         * the datasets drawing is cancelled until another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetsDraw\n         * @desc Called after the `chart` datasets have been drawn. Note that this hook\n         * will not be called if the datasets drawing has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetDraw\n         * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets\n         * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing\n         * is cancelled until another `render` is triggered.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetDraw\n         * @desc Called after the `chart` datasets at the given `args.index` have been drawn\n         * (datasets are drawn in the reverse order). Note that this hook will not be called\n         * if the datasets drawing has been previously cancelled.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeEvent\n         * @desc Called before processing the specified `event`. If any plugin returns `false`,\n         * the event will be discarded.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {IEvent} event - The event object.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#afterEvent\n         * @desc Called after the `event` has been consumed. Note that this hook\n         * will not be called if the `event` has been previously discarded.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {IEvent} event - The event object.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#resize\n         * @desc Called after the chart as been resized.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} size - The new canvas display size (eq. canvas.style width & height).\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#destroy\n         * @desc Called after the chart as been destroyed.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n\n        /**\n         * Provided for backward compatibility, use Chart.plugins instead\n         * @namespace Chart.pluginService\n         * @deprecated since version 2.1.5\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.pluginService = Chart.plugins;\n\n        /**\n         * Provided for backward compatibility, inheriting from Chart.PlugingBase has no\n         * effect, instead simply create/register plugins via plain JavaScript objects.\n         * @interface Chart.PluginBase\n         * @deprecated since version 2.5.0\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.PluginBase = Element.extend({});\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],32:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    defaults._set('scale', {\n        display: true,\n        position: 'left',\n        offset: false,\n\n        // grid line settings\n        gridLines: {\n            display: true,\n            color: 'rgba(0, 0, 0, 0.1)',\n            lineWidth: 1,\n            drawBorder: true,\n            drawOnChartArea: true,\n            drawTicks: true,\n            tickMarkLength: 10,\n            zeroLineWidth: 1,\n            zeroLineColor: 'rgba(0,0,0,0.25)',\n            zeroLineBorderDash: [],\n            zeroLineBorderDashOffset: 0.0,\n            offsetGridLines: false,\n            borderDash: [],\n            borderDashOffset: 0.0\n        },\n\n        // scale label\n        scaleLabel: {\n            // display property\n            display: false,\n\n            // actual label\n            labelString: '',\n\n            // line height\n            lineHeight: 1.2,\n\n            // top/bottom padding\n            padding: {\n                top: 4,\n                bottom: 4\n            }\n        },\n\n        // label settings\n        ticks: {\n            beginAtZero: false,\n            minRotation: 0,\n            maxRotation: 50,\n            mirror: false,\n            padding: 0,\n            reverse: false,\n            display: true,\n            autoSkip: true,\n            autoSkipPadding: 0,\n            labelOffset: 0,\n            // We pass through arrays to be rendered as multiline labels, we convert Others to strings here.\n            callback: Ticks.formatters.values,\n            minor: {},\n            major: {}\n        }\n    });\n\n    function labelsFromTicks(ticks) {\n        var labels = [];\n        var i, ilen;\n\n        for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n            labels.push(ticks[i].label);\n        }\n\n        return labels;\n    }\n\n    function getLineValue(scale, index, offsetGridLines) {\n        var lineValue = scale.getPixelForTick(index);\n\n        if (offsetGridLines) {\n            if (index === 0) {\n                lineValue -= (scale.getPixelForTick(1) - lineValue) / 2;\n            } else {\n                lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2;\n            }\n        }\n        return lineValue;\n    }\n\n    module.exports = function(Chart) {\n\n        function computeTextSize(context, tick, font) {\n            return helpers.isArray(tick) ?\n                helpers.longestText(context, font, tick) :\n                context.measureText(tick).width;\n        }\n\n        function parseFontOptions(options) {\n            var valueOrDefault = helpers.valueOrDefault;\n            var globalDefaults = defaults.global;\n            var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);\n            var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle);\n            var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily);\n\n            return {\n                size: size,\n                style: style,\n                family: family,\n                font: helpers.fontString(size, style, family)\n            };\n        }\n\n        function parseLineHeight(options) {\n            return helpers.options.toLineHeight(\n                helpers.valueOrDefault(options.lineHeight, 1.2),\n                helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize));\n        }\n\n        Chart.Scale = Element.extend({\n            /**\n             * Get the padding needed for the scale\n             * @method getPadding\n             * @private\n             * @returns {Padding} the necessary padding\n             */\n            getPadding: function() {\n                var me = this;\n                return {\n                    left: me.paddingLeft || 0,\n                    top: me.paddingTop || 0,\n                    right: me.paddingRight || 0,\n                    bottom: me.paddingBottom || 0\n                };\n            },\n\n            /**\n             * Returns the scale tick objects ({label, major})\n             * @since 2.7\n             */\n            getTicks: function() {\n                return this._ticks;\n            },\n\n            // These methods are ordered by lifecyle. Utilities then follow.\n            // Any function defined here is inherited by all scale types.\n            // Any function can be extended by the scale type\n\n            mergeTicksOptions: function() {\n                var ticks = this.options.ticks;\n                if (ticks.minor === false) {\n                    ticks.minor = {\n                        display: false\n                    };\n                }\n                if (ticks.major === false) {\n                    ticks.major = {\n                        display: false\n                    };\n                }\n                for (var key in ticks) {\n                    if (key !== 'major' && key !== 'minor') {\n                        if (typeof ticks.minor[key] === 'undefined') {\n                            ticks.minor[key] = ticks[key];\n                        }\n                        if (typeof ticks.major[key] === 'undefined') {\n                            ticks.major[key] = ticks[key];\n                        }\n                    }\n                }\n            },\n            beforeUpdate: function() {\n                helpers.callback(this.options.beforeUpdate, [this]);\n            },\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n                var i, ilen, labels, label, ticks, tick;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = helpers.extend({\n                    left: 0,\n                    right: 0,\n                    top: 0,\n                    bottom: 0\n                }, margins);\n                me.longestTextCache = me.longestTextCache || {};\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n\n                // Data min/max\n                me.beforeDataLimits();\n                me.determineDataLimits();\n                me.afterDataLimits();\n\n                // Ticks - `this.ticks` is now DEPRECATED!\n                // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member\n                // and must not be accessed directly from outside this class. `this.ticks` being\n                // around for long time and not marked as private, we can't change its structure\n                // without unexpected breaking changes. If you need to access the scale ticks,\n                // use scale.getTicks() instead.\n\n                me.beforeBuildTicks();\n\n                // New implementations should return an array of objects but for BACKWARD COMPAT,\n                // we still support no return (`this.ticks` internally set by calling this method).\n                ticks = me.buildTicks() || [];\n\n                me.afterBuildTicks();\n\n                me.beforeTickToLabelConversion();\n\n                // New implementations should return the formatted tick labels but for BACKWARD\n                // COMPAT, we still support no return (`this.ticks` internally changed by calling\n                // this method and supposed to contain only string values).\n                labels = me.convertTicksToLabels(ticks) || me.ticks;\n\n                me.afterTickToLabelConversion();\n\n                me.ticks = labels;   // BACKWARD COMPATIBILITY\n\n                // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change!\n\n                // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`)\n                for (i = 0, ilen = labels.length; i < ilen; ++i) {\n                    label = labels[i];\n                    tick = ticks[i];\n                    if (!tick) {\n                        ticks.push(tick = {\n                            label: label,\n                            major: false\n                        });\n                    } else {\n                        tick.label = label;\n                    }\n                }\n\n                me._ticks = ticks;\n\n                // Tick Rotation\n                me.beforeCalculateTickRotation();\n                me.calculateTickRotation();\n                me.afterCalculateTickRotation();\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n\n            },\n            afterUpdate: function() {\n                helpers.callback(this.options.afterUpdate, [this]);\n            },\n\n            //\n\n            beforeSetDimensions: function() {\n                helpers.callback(this.options.beforeSetDimensions, [this]);\n            },\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n            },\n            afterSetDimensions: function() {\n                helpers.callback(this.options.afterSetDimensions, [this]);\n            },\n\n            // Data limits\n            beforeDataLimits: function() {\n                helpers.callback(this.options.beforeDataLimits, [this]);\n            },\n            determineDataLimits: helpers.noop,\n            afterDataLimits: function() {\n                helpers.callback(this.options.afterDataLimits, [this]);\n            },\n\n            //\n            beforeBuildTicks: function() {\n                helpers.callback(this.options.beforeBuildTicks, [this]);\n            },\n            buildTicks: helpers.noop,\n            afterBuildTicks: function() {\n                helpers.callback(this.options.afterBuildTicks, [this]);\n            },\n\n            beforeTickToLabelConversion: function() {\n                helpers.callback(this.options.beforeTickToLabelConversion, [this]);\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n                // Convert ticks to strings\n                var tickOpts = me.options.ticks;\n                me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this);\n            },\n            afterTickToLabelConversion: function() {\n                helpers.callback(this.options.afterTickToLabelConversion, [this]);\n            },\n\n            //\n\n            beforeCalculateTickRotation: function() {\n                helpers.callback(this.options.beforeCalculateTickRotation, [this]);\n            },\n            calculateTickRotation: function() {\n                var me = this;\n                var context = me.ctx;\n                var tickOpts = me.options.ticks;\n                var labels = labelsFromTicks(me._ticks);\n\n                // Get the width of each grid by calculating the difference\n                // between x offsets between 0 and 1.\n                var tickFont = parseFontOptions(tickOpts);\n                context.font = tickFont.font;\n\n                var labelRotation = tickOpts.minRotation || 0;\n\n                if (labels.length && me.options.display && me.isHorizontal()) {\n                    var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache);\n                    var labelWidth = originalLabelWidth;\n                    var cosRotation, sinRotation;\n\n                    // Allow 3 pixels x2 padding either side for label readability\n                    var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6;\n\n                    // Max label rotation can be set or default to 90 - also act as a loop counter\n                    while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) {\n                        var angleRadians = helpers.toRadians(labelRotation);\n                        cosRotation = Math.cos(angleRadians);\n                        sinRotation = Math.sin(angleRadians);\n\n                        if (sinRotation * originalLabelWidth > me.maxHeight) {\n                            // go back one step\n                            labelRotation--;\n                            break;\n                        }\n\n                        labelRotation++;\n                        labelWidth = cosRotation * originalLabelWidth;\n                    }\n                }\n\n                me.labelRotation = labelRotation;\n            },\n            afterCalculateTickRotation: function() {\n                helpers.callback(this.options.afterCalculateTickRotation, [this]);\n            },\n\n            //\n\n            beforeFit: function() {\n                helpers.callback(this.options.beforeFit, [this]);\n            },\n            fit: function() {\n                var me = this;\n                // Reset\n                var minSize = me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n\n                var labels = labelsFromTicks(me._ticks);\n\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var scaleLabelOpts = opts.scaleLabel;\n                var gridLineOpts = opts.gridLines;\n                var display = opts.display;\n                var isHorizontal = me.isHorizontal();\n\n                var tickFont = parseFontOptions(tickOpts);\n                var tickMarkLength = opts.gridLines.tickMarkLength;\n\n                // Width\n                if (isHorizontal) {\n                    // subtract the margins to line up with the chartArea if we are a full width scale\n                    minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth;\n                } else {\n                    minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n                }\n\n                // height\n                if (isHorizontal) {\n                    minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n                } else {\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                // Are we showing a title for the scale?\n                if (scaleLabelOpts.display && display) {\n                    var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts);\n                    var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding);\n                    var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height;\n\n                    if (isHorizontal) {\n                        minSize.height += deltaHeight;\n                    } else {\n                        minSize.width += deltaHeight;\n                    }\n                }\n\n                // Don't bother fitting the ticks if we are not showing them\n                if (tickOpts.display && display) {\n                    var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache);\n                    var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels);\n                    var lineSpace = tickFont.size * 0.5;\n                    var tickPadding = me.options.ticks.padding;\n\n                    if (isHorizontal) {\n                        // A horizontal axis is more constrained by the height.\n                        me.longestLabelWidth = largestTextWidth;\n\n                        var angleRadians = helpers.toRadians(me.labelRotation);\n                        var cosRotation = Math.cos(angleRadians);\n                        var sinRotation = Math.sin(angleRadians);\n\n                        // TODO - improve this calculation\n                        var labelHeight = (sinRotation * largestTextWidth)\n                            + (tickFont.size * tallestLabelHeightInLines)\n                            + (lineSpace * (tallestLabelHeightInLines - 1))\n                            + lineSpace; // padding\n\n                        minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);\n\n                        me.ctx.font = tickFont.font;\n                        var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font);\n                        var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font);\n\n                        // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned\n                        // which means that the right padding is dominated by the font height\n                        if (me.labelRotation !== 0) {\n                            me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges\n                            me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3;\n                        } else {\n                            me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges\n                            me.paddingRight = lastLabelWidth / 2 + 3;\n                        }\n                    } else {\n                        // A vertical axis is more constrained by the width. Labels are the\n                        // dominant factor here, so get that length first and account for padding\n                        if (tickOpts.mirror) {\n                            largestTextWidth = 0;\n                        } else {\n                            // use lineSpace for consistency with horizontal axis\n                            // tickPadding is not implemented for horizontal\n                            largestTextWidth += tickPadding + lineSpace;\n                        }\n\n                        minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth);\n\n                        me.paddingTop = tickFont.size / 2;\n                        me.paddingBottom = tickFont.size / 2;\n                    }\n                }\n\n                me.handleMargins();\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n            },\n\n            /**\n             * Handle margins and padding interactions\n             * @private\n             */\n            handleMargins: function() {\n                var me = this;\n                if (me.margins) {\n                    me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0);\n                    me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0);\n                    me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0);\n                    me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0);\n                }\n            },\n\n            afterFit: function() {\n                helpers.callback(this.options.afterFit, [this]);\n            },\n\n            // Shared Methods\n            isHorizontal: function() {\n                return this.options.position === 'top' || this.options.position === 'bottom';\n            },\n            isFullWidth: function() {\n                return (this.options.fullWidth);\n            },\n\n            // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not\n            getRightValue: function(rawValue) {\n                // Null and undefined values first\n                if (helpers.isNullOrUndef(rawValue)) {\n                    return NaN;\n                }\n                // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values\n                if (typeof rawValue === 'number' && !isFinite(rawValue)) {\n                    return NaN;\n                }\n                // If it is in fact an object, dive in one more level\n                if (rawValue) {\n                    if (this.isHorizontal()) {\n                        if (rawValue.x !== undefined) {\n                            return this.getRightValue(rawValue.x);\n                        }\n                    } else if (rawValue.y !== undefined) {\n                        return this.getRightValue(rawValue.y);\n                    }\n                }\n\n                // Value is good, return it\n                return rawValue;\n            },\n\n            // Used to get the value to display in the tooltip for the data at the given index\n            // function getLabelForIndex(index, datasetIndex)\n            getLabelForIndex: helpers.noop,\n\n            // Used to get data value locations.  Value can either be an index or a numerical value\n            getPixelForValue: helpers.noop,\n\n            // Used to get the data value from a given pixel. This is the inverse of getPixelForValue\n            getValueForPixel: helpers.noop,\n\n            // Used for tick location, should\n            getPixelForTick: function(index) {\n                var me = this;\n                var offset = me.options.offset;\n                if (me.isHorizontal()) {\n                    var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n                    var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n                    var pixel = (tickWidth * index) + me.paddingLeft;\n\n                    if (offset) {\n                        pixel += tickWidth / 2;\n                    }\n\n                    var finalVal = me.left + Math.round(pixel);\n                    finalVal += me.isFullWidth() ? me.margins.left : 0;\n                    return finalVal;\n                }\n                var innerHeight = me.height - (me.paddingTop + me.paddingBottom);\n                return me.top + (index * (innerHeight / (me._ticks.length - 1)));\n            },\n\n            // Utility for getting the pixel location of a percentage of scale\n            getPixelForDecimal: function(decimal) {\n                var me = this;\n                if (me.isHorizontal()) {\n                    var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n                    var valueOffset = (innerWidth * decimal) + me.paddingLeft;\n\n                    var finalVal = me.left + Math.round(valueOffset);\n                    finalVal += me.isFullWidth() ? me.margins.left : 0;\n                    return finalVal;\n                }\n                return me.top + (decimal * me.height);\n            },\n\n            getBasePixel: function() {\n                return this.getPixelForValue(this.getBaseValue());\n            },\n\n            getBaseValue: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n\n                return me.beginAtZero ? 0 :\n                    min < 0 && max < 0 ? max :\n                        min > 0 && max > 0 ? min :\n                            0;\n            },\n\n            /**\n             * Returns a subset of ticks to be plotted to avoid overlapping labels.\n             * @private\n             */\n            _autoSkip: function(ticks) {\n                var skipRatio;\n                var me = this;\n                var isHorizontal = me.isHorizontal();\n                var optionTicks = me.options.ticks.minor;\n                var tickCount = ticks.length;\n                var labelRotationRadians = helpers.toRadians(me.labelRotation);\n                var cosRotation = Math.cos(labelRotationRadians);\n                var longestRotatedLabel = me.longestLabelWidth * cosRotation;\n                var result = [];\n                var i, tick, shouldSkip;\n\n                // figure out the maximum number of gridlines to show\n                var maxTicks;\n                if (optionTicks.maxTicksLimit) {\n                    maxTicks = optionTicks.maxTicksLimit;\n                }\n\n                if (isHorizontal) {\n                    skipRatio = false;\n\n                    if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) {\n                        skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight)));\n                    }\n\n                    // if they defined a max number of optionTicks,\n                    // increase skipRatio until that number is met\n                    if (maxTicks && tickCount > maxTicks) {\n                        skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks));\n                    }\n                }\n\n                for (i = 0; i < tickCount; i++) {\n                    tick = ticks[i];\n\n                    // Since we always show the last tick,we need may need to hide the last shown one before\n                    shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount);\n                    if (shouldSkip && i !== tickCount - 1 || helpers.isNullOrUndef(tick.label)) {\n                        // leave tick in place but make sure it's not displayed (#4635)\n                        delete tick.label;\n                    }\n                    result.push(tick);\n                }\n                return result;\n            },\n\n            // Actually draw the scale on the canvas\n            // @param {rectangle} chartArea : the area of the chart to draw full grid lines on\n            draw: function(chartArea) {\n                var me = this;\n                var options = me.options;\n                if (!options.display) {\n                    return;\n                }\n\n                var context = me.ctx;\n                var globalDefaults = defaults.global;\n                var optionTicks = options.ticks.minor;\n                var optionMajorTicks = options.ticks.major || optionTicks;\n                var gridLines = options.gridLines;\n                var scaleLabel = options.scaleLabel;\n\n                var isRotated = me.labelRotation !== 0;\n                var isHorizontal = me.isHorizontal();\n\n                var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks();\n                var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor);\n                var tickFont = parseFontOptions(optionTicks);\n                var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor);\n                var majorTickFont = parseFontOptions(optionMajorTicks);\n\n                var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0;\n\n                var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor);\n                var scaleLabelFont = parseFontOptions(scaleLabel);\n                var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding);\n                var labelRotationRadians = helpers.toRadians(me.labelRotation);\n\n                var itemsToDraw = [];\n\n                var xTickStart = options.position === 'right' ? me.left : me.right - tl;\n                var xTickEnd = options.position === 'right' ? me.left + tl : me.right;\n                var yTickStart = options.position === 'bottom' ? me.top : me.bottom - tl;\n                var yTickEnd = options.position === 'bottom' ? me.top + tl : me.bottom;\n\n                helpers.each(ticks, function(tick, index) {\n                    // autoskipper skipped this tick (#4635)\n                    if (tick.label === undefined) {\n                        return;\n                    }\n\n                    var label = tick.label;\n                    var lineWidth, lineColor, borderDash, borderDashOffset;\n                    if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) {\n                        // Draw the first index specially\n                        lineWidth = gridLines.zeroLineWidth;\n                        lineColor = gridLines.zeroLineColor;\n                        borderDash = gridLines.zeroLineBorderDash;\n                        borderDashOffset = gridLines.zeroLineBorderDashOffset;\n                    } else {\n                        lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index);\n                        lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index);\n                        borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash);\n                        borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset);\n                    }\n\n                    // Common properties\n                    var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY;\n                    var textAlign = 'middle';\n                    var textBaseline = 'middle';\n                    var tickPadding = optionTicks.padding;\n\n                    if (isHorizontal) {\n                        var labelYOffset = tl + tickPadding;\n\n                        if (options.position === 'bottom') {\n                            // bottom\n                            textBaseline = !isRotated ? 'top' : 'middle';\n                            textAlign = !isRotated ? 'center' : 'right';\n                            labelY = me.top + labelYOffset;\n                        } else {\n                            // top\n                            textBaseline = !isRotated ? 'bottom' : 'middle';\n                            textAlign = !isRotated ? 'center' : 'left';\n                            labelY = me.bottom - labelYOffset;\n                        }\n\n                        var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n                        if (xLineValue < me.left) {\n                            lineColor = 'rgba(0,0,0,0)';\n                        }\n                        xLineValue += helpers.aliasPixel(lineWidth);\n\n                        labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option)\n\n                        tx1 = tx2 = x1 = x2 = xLineValue;\n                        ty1 = yTickStart;\n                        ty2 = yTickEnd;\n                        y1 = chartArea.top;\n                        y2 = chartArea.bottom;\n                    } else {\n                        var isLeft = options.position === 'left';\n                        var labelXOffset;\n\n                        if (optionTicks.mirror) {\n                            textAlign = isLeft ? 'left' : 'right';\n                            labelXOffset = tickPadding;\n                        } else {\n                            textAlign = isLeft ? 'right' : 'left';\n                            labelXOffset = tl + tickPadding;\n                        }\n\n                        labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset;\n\n                        var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n                        if (yLineValue < me.top) {\n                            lineColor = 'rgba(0,0,0,0)';\n                        }\n                        yLineValue += helpers.aliasPixel(lineWidth);\n\n                        labelY = me.getPixelForTick(index) + optionTicks.labelOffset;\n\n                        tx1 = xTickStart;\n                        tx2 = xTickEnd;\n                        x1 = chartArea.left;\n                        x2 = chartArea.right;\n                        ty1 = ty2 = y1 = y2 = yLineValue;\n                    }\n\n                    itemsToDraw.push({\n                        tx1: tx1,\n                        ty1: ty1,\n                        tx2: tx2,\n                        ty2: ty2,\n                        x1: x1,\n                        y1: y1,\n                        x2: x2,\n                        y2: y2,\n                        labelX: labelX,\n                        labelY: labelY,\n                        glWidth: lineWidth,\n                        glColor: lineColor,\n                        glBorderDash: borderDash,\n                        glBorderDashOffset: borderDashOffset,\n                        rotation: -1 * labelRotationRadians,\n                        label: label,\n                        major: tick.major,\n                        textBaseline: textBaseline,\n                        textAlign: textAlign\n                    });\n                });\n\n                // Draw all of the tick labels, tick marks, and grid lines at the correct places\n                helpers.each(itemsToDraw, function(itemToDraw) {\n                    if (gridLines.display) {\n                        context.save();\n                        context.lineWidth = itemToDraw.glWidth;\n                        context.strokeStyle = itemToDraw.glColor;\n                        if (context.setLineDash) {\n                            context.setLineDash(itemToDraw.glBorderDash);\n                            context.lineDashOffset = itemToDraw.glBorderDashOffset;\n                        }\n\n                        context.beginPath();\n\n                        if (gridLines.drawTicks) {\n                            context.moveTo(itemToDraw.tx1, itemToDraw.ty1);\n                            context.lineTo(itemToDraw.tx2, itemToDraw.ty2);\n                        }\n\n                        if (gridLines.drawOnChartArea) {\n                            context.moveTo(itemToDraw.x1, itemToDraw.y1);\n                            context.lineTo(itemToDraw.x2, itemToDraw.y2);\n                        }\n\n                        context.stroke();\n                        context.restore();\n                    }\n\n                    if (optionTicks.display) {\n                        // Make sure we draw text in the correct color and font\n                        context.save();\n                        context.translate(itemToDraw.labelX, itemToDraw.labelY);\n                        context.rotate(itemToDraw.rotation);\n                        context.font = itemToDraw.major ? majorTickFont.font : tickFont.font;\n                        context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor;\n                        context.textBaseline = itemToDraw.textBaseline;\n                        context.textAlign = itemToDraw.textAlign;\n\n                        var label = itemToDraw.label;\n                        if (helpers.isArray(label)) {\n                            for (var i = 0, y = 0; i < label.length; ++i) {\n                                // We just make sure the multiline element is a string here..\n                                context.fillText('' + label[i], 0, y);\n                                // apply same lineSpacing as calculated @ L#320\n                                y += (tickFont.size * 1.5);\n                            }\n                        } else {\n                            context.fillText(label, 0, 0);\n                        }\n                        context.restore();\n                    }\n                });\n\n                if (scaleLabel.display) {\n                    // Draw the scale label\n                    var scaleLabelX;\n                    var scaleLabelY;\n                    var rotation = 0;\n                    var halfLineHeight = parseLineHeight(scaleLabel) / 2;\n\n                    if (isHorizontal) {\n                        scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width\n                        scaleLabelY = options.position === 'bottom'\n                            ? me.bottom - halfLineHeight - scaleLabelPadding.bottom\n                            : me.top + halfLineHeight + scaleLabelPadding.top;\n                    } else {\n                        var isLeft = options.position === 'left';\n                        scaleLabelX = isLeft\n                            ? me.left + halfLineHeight + scaleLabelPadding.top\n                            : me.right - halfLineHeight - scaleLabelPadding.top;\n                        scaleLabelY = me.top + ((me.bottom - me.top) / 2);\n                        rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;\n                    }\n\n                    context.save();\n                    context.translate(scaleLabelX, scaleLabelY);\n                    context.rotate(rotation);\n                    context.textAlign = 'center';\n                    context.textBaseline = 'middle';\n                    context.fillStyle = scaleLabelFontColor; // render in correct colour\n                    context.font = scaleLabelFont.font;\n                    context.fillText(scaleLabel.labelString, 0, 0);\n                    context.restore();\n                }\n\n                if (gridLines.drawBorder) {\n                    // Draw the line at the edge of the axis\n                    context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0);\n                    context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0);\n                    var x1 = me.left;\n                    var x2 = me.right;\n                    var y1 = me.top;\n                    var y2 = me.bottom;\n\n                    var aliasPixel = helpers.aliasPixel(context.lineWidth);\n                    if (isHorizontal) {\n                        y1 = y2 = options.position === 'top' ? me.bottom : me.top;\n                        y1 += aliasPixel;\n                        y2 += aliasPixel;\n                    } else {\n                        x1 = x2 = options.position === 'left' ? me.right : me.left;\n                        x1 += aliasPixel;\n                        x2 += aliasPixel;\n                    }\n\n                    context.beginPath();\n                    context.moveTo(x1, y1);\n                    context.lineTo(x2, y2);\n                    context.stroke();\n                }\n            }\n        });\n    };\n\n},{\"25\":25,\"26\":26,\"34\":34,\"45\":45}],33:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        Chart.scaleService = {\n            // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then\n            // use the new chart options to grab the correct scale\n            constructors: {},\n            // Use a registration function so that we can move to an ES6 map when we no longer need to support\n            // old browsers\n\n            // Scale config defaults\n            defaults: {},\n            registerScaleType: function(type, scaleConstructor, scaleDefaults) {\n                this.constructors[type] = scaleConstructor;\n                this.defaults[type] = helpers.clone(scaleDefaults);\n            },\n            getScaleConstructor: function(type) {\n                return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;\n            },\n            getScaleDefaults: function(type) {\n                // Return the scale defaults merged with the global settings so that we always use the latest ones\n                return this.defaults.hasOwnProperty(type) ? helpers.merge({}, [defaults.scale, this.defaults[type]]) : {};\n            },\n            updateScaleDefaults: function(type, additions) {\n                var me = this;\n                if (me.defaults.hasOwnProperty(type)) {\n                    me.defaults[type] = helpers.extend(me.defaults[type], additions);\n                }\n            },\n            addScalesToLayout: function(chart) {\n                // Adds each scale to the chart.boxes array to be sized accordingly\n                helpers.each(chart.scales, function(scale) {\n                    // Set ILayoutItem parameters for backwards compatibility\n                    scale.fullWidth = scale.options.fullWidth;\n                    scale.position = scale.options.position;\n                    scale.weight = scale.options.weight;\n                    Chart.layoutService.addBox(chart, scale);\n                });\n            }\n        };\n    };\n\n},{\"25\":25,\"45\":45}],34:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    /**\n     * Namespace to hold static tick generation functions\n     * @namespace Chart.Ticks\n     */\n    module.exports = {\n        /**\n         * Namespace to hold generators for different types of ticks\n         * @namespace Chart.Ticks.generators\n         */\n        generators: {\n            /**\n             * Interface for the options provided to the numeric tick generator\n             * @interface INumericTickGenerationOptions\n             */\n            /**\n             * The maximum number of ticks to display\n             * @name INumericTickGenerationOptions#maxTicks\n             * @type Number\n             */\n            /**\n             * The distance between each tick.\n             * @name INumericTickGenerationOptions#stepSize\n             * @type Number\n             * @optional\n             */\n            /**\n             * Forced minimum for the ticks. If not specified, the minimum of the data range is used to calculate the tick minimum\n             * @name INumericTickGenerationOptions#min\n             * @type Number\n             * @optional\n             */\n            /**\n             * The maximum value of the ticks. If not specified, the maximum of the data range is used to calculate the tick maximum\n             * @name INumericTickGenerationOptions#max\n             * @type Number\n             * @optional\n             */\n\n            /**\n             * Generate a set of linear ticks\n             * @method Chart.Ticks.generators.linear\n             * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n             * @param dataRange {IRange} the range of the data\n             * @returns {Array<Number>} array of tick values\n             */\n            linear: function(generationOptions, dataRange) {\n                var ticks = [];\n                // To get a \"nice\" value for the tick spacing, we will use the appropriately named\n                // \"nice number\" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks\n                // for details.\n\n                var spacing;\n                if (generationOptions.stepSize && generationOptions.stepSize > 0) {\n                    spacing = generationOptions.stepSize;\n                } else {\n                    var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false);\n                    spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true);\n                }\n                var niceMin = Math.floor(dataRange.min / spacing) * spacing;\n                var niceMax = Math.ceil(dataRange.max / spacing) * spacing;\n\n                // If min, max and stepSize is set and they make an evenly spaced scale use it.\n                if (generationOptions.min && generationOptions.max && generationOptions.stepSize) {\n                    // If very close to our whole number, use it.\n                    if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) {\n                        niceMin = generationOptions.min;\n                        niceMax = generationOptions.max;\n                    }\n                }\n\n                var numSpaces = (niceMax - niceMin) / spacing;\n                // If very close to our rounded value, use it.\n                if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\n                    numSpaces = Math.round(numSpaces);\n                } else {\n                    numSpaces = Math.ceil(numSpaces);\n                }\n\n                // Put the values into the ticks array\n                ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin);\n                for (var j = 1; j < numSpaces; ++j) {\n                    ticks.push(niceMin + (j * spacing));\n                }\n                ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax);\n\n                return ticks;\n            },\n\n            /**\n             * Generate a set of logarithmic ticks\n             * @method Chart.Ticks.generators.logarithmic\n             * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n             * @param dataRange {IRange} the range of the data\n             * @returns {Array<Number>} array of tick values\n             */\n            logarithmic: function(generationOptions, dataRange) {\n                var ticks = [];\n                var valueOrDefault = helpers.valueOrDefault;\n\n                // Figure out what the max number of ticks we can support it is based on the size of\n                // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n                // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n                // the graph\n                var tickVal = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min))));\n\n                var endExp = Math.floor(helpers.log10(dataRange.max));\n                var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\n                var exp, significand;\n\n                if (tickVal === 0) {\n                    exp = Math.floor(helpers.log10(dataRange.minNotZero));\n                    significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));\n\n                    ticks.push(tickVal);\n                    tickVal = significand * Math.pow(10, exp);\n                } else {\n                    exp = Math.floor(helpers.log10(tickVal));\n                    significand = Math.floor(tickVal / Math.pow(10, exp));\n                }\n\n                do {\n                    ticks.push(tickVal);\n\n                    ++significand;\n                    if (significand === 10) {\n                        significand = 1;\n                        ++exp;\n                    }\n\n                    tickVal = significand * Math.pow(10, exp);\n                } while (exp < endExp || (exp === endExp && significand < endSignificand));\n\n                var lastTick = valueOrDefault(generationOptions.max, tickVal);\n                ticks.push(lastTick);\n\n                return ticks;\n            }\n        },\n\n        /**\n         * Namespace to hold formatters for different types of ticks\n         * @namespace Chart.Ticks.formatters\n         */\n        formatters: {\n            /**\n             * Formatter for value labels\n             * @method Chart.Ticks.formatters.values\n             * @param value the value to display\n             * @return {String|Array} the label to display\n             */\n            values: function(value) {\n                return helpers.isArray(value) ? value : '' + value;\n            },\n\n            /**\n             * Formatter for linear numeric ticks\n             * @method Chart.Ticks.formatters.linear\n             * @param tickValue {Number} the value to be formatted\n             * @param index {Number} the position of the tickValue parameter in the ticks array\n             * @param ticks {Array<Number>} the list of ticks being converted\n             * @return {String} string representation of the tickValue parameter\n             */\n            linear: function(tickValue, index, ticks) {\n                // If we have lots of ticks, don't use the ones\n                var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];\n\n                // If we have a number like 2.5 as the delta, figure out how many decimal places we need\n                if (Math.abs(delta) > 1) {\n                    if (tickValue !== Math.floor(tickValue)) {\n                        // not an integer\n                        delta = tickValue - Math.floor(tickValue);\n                    }\n                }\n\n                var logDelta = helpers.log10(Math.abs(delta));\n                var tickString = '';\n\n                if (tickValue !== 0) {\n                    var numDecimal = -1 * Math.floor(logDelta);\n                    numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places\n                    tickString = tickValue.toFixed(numDecimal);\n                } else {\n                    tickString = '0'; // never show decimal places for 0\n                }\n\n                return tickString;\n            },\n\n            logarithmic: function(tickValue, index, ticks) {\n                var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue))));\n\n                if (tickValue === 0) {\n                    return '0';\n                } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) {\n                    return tickValue.toExponential();\n                }\n                return '';\n            }\n        }\n    };\n\n},{\"45\":45}],35:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        tooltips: {\n            enabled: true,\n            custom: null,\n            mode: 'nearest',\n            position: 'average',\n            intersect: true,\n            backgroundColor: 'rgba(0,0,0,0.8)',\n            titleFontStyle: 'bold',\n            titleSpacing: 2,\n            titleMarginBottom: 6,\n            titleFontColor: '#fff',\n            titleAlign: 'left',\n            bodySpacing: 2,\n            bodyFontColor: '#fff',\n            bodyAlign: 'left',\n            footerFontStyle: 'bold',\n            footerSpacing: 2,\n            footerMarginTop: 6,\n            footerFontColor: '#fff',\n            footerAlign: 'left',\n            yPadding: 6,\n            xPadding: 6,\n            caretPadding: 2,\n            caretSize: 5,\n            cornerRadius: 6,\n            multiKeyBackground: '#fff',\n            displayColors: true,\n            borderColor: 'rgba(0,0,0,0)',\n            borderWidth: 0,\n            callbacks: {\n                // Args are: (tooltipItems, data)\n                beforeTitle: helpers.noop,\n                title: function(tooltipItems, data) {\n                    // Pick first xLabel for now\n                    var title = '';\n                    var labels = data.labels;\n                    var labelCount = labels ? labels.length : 0;\n\n                    if (tooltipItems.length > 0) {\n                        var item = tooltipItems[0];\n\n                        if (item.xLabel) {\n                            title = item.xLabel;\n                        } else if (labelCount > 0 && item.index < labelCount) {\n                            title = labels[item.index];\n                        }\n                    }\n\n                    return title;\n                },\n                afterTitle: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                beforeBody: helpers.noop,\n\n                // Args are: (tooltipItem, data)\n                beforeLabel: helpers.noop,\n                label: function(tooltipItem, data) {\n                    var label = data.datasets[tooltipItem.datasetIndex].label || '';\n\n                    if (label) {\n                        label += ': ';\n                    }\n                    label += tooltipItem.yLabel;\n                    return label;\n                },\n                labelColor: function(tooltipItem, chart) {\n                    var meta = chart.getDatasetMeta(tooltipItem.datasetIndex);\n                    var activeElement = meta.data[tooltipItem.index];\n                    var view = activeElement._view;\n                    return {\n                        borderColor: view.borderColor,\n                        backgroundColor: view.backgroundColor\n                    };\n                },\n                labelTextColor: function() {\n                    return this._options.bodyFontColor;\n                },\n                afterLabel: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                afterBody: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                beforeFooter: helpers.noop,\n                footer: helpers.noop,\n                afterFooter: helpers.noop\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        /**\n         * Helper method to merge the opacity into a color\n         */\n        function mergeOpacity(colorString, opacity) {\n            var color = helpers.color(colorString);\n            return color.alpha(opacity * color.alpha()).rgbaString();\n        }\n\n        // Helper to push or concat based on if the 2nd parameter is an array or not\n        function pushOrConcat(base, toPush) {\n            if (toPush) {\n                if (helpers.isArray(toPush)) {\n                    // base = base.concat(toPush);\n                    Array.prototype.push.apply(base, toPush);\n                } else {\n                    base.push(toPush);\n                }\n            }\n\n            return base;\n        }\n\n        // Private helper to create a tooltip item model\n        // @param element : the chart element (point, arc, bar) to create the tooltip item for\n        // @return : new tooltip item\n        function createTooltipItem(element) {\n            var xScale = element._xScale;\n            var yScale = element._yScale || element._scale; // handle radar || polarArea charts\n            var index = element._index;\n            var datasetIndex = element._datasetIndex;\n\n            return {\n                xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '',\n                yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '',\n                index: index,\n                datasetIndex: datasetIndex,\n                x: element._model.x,\n                y: element._model.y\n            };\n        }\n\n        /**\n         * Helper to get the reset model for the tooltip\n         * @param tooltipOpts {Object} the tooltip options\n         */\n        function getBaseModel(tooltipOpts) {\n            var globalDefaults = defaults.global;\n            var valueOrDefault = helpers.valueOrDefault;\n\n            return {\n                // Positioning\n                xPadding: tooltipOpts.xPadding,\n                yPadding: tooltipOpts.yPadding,\n                xAlign: tooltipOpts.xAlign,\n                yAlign: tooltipOpts.yAlign,\n\n                // Body\n                bodyFontColor: tooltipOpts.bodyFontColor,\n                _bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily),\n                _bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle),\n                _bodyAlign: tooltipOpts.bodyAlign,\n                bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize),\n                bodySpacing: tooltipOpts.bodySpacing,\n\n                // Title\n                titleFontColor: tooltipOpts.titleFontColor,\n                _titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily),\n                _titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle),\n                titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize),\n                _titleAlign: tooltipOpts.titleAlign,\n                titleSpacing: tooltipOpts.titleSpacing,\n                titleMarginBottom: tooltipOpts.titleMarginBottom,\n\n                // Footer\n                footerFontColor: tooltipOpts.footerFontColor,\n                _footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily),\n                _footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle),\n                footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize),\n                _footerAlign: tooltipOpts.footerAlign,\n                footerSpacing: tooltipOpts.footerSpacing,\n                footerMarginTop: tooltipOpts.footerMarginTop,\n\n                // Appearance\n                caretSize: tooltipOpts.caretSize,\n                cornerRadius: tooltipOpts.cornerRadius,\n                backgroundColor: tooltipOpts.backgroundColor,\n                opacity: 0,\n                legendColorBackground: tooltipOpts.multiKeyBackground,\n                displayColors: tooltipOpts.displayColors,\n                borderColor: tooltipOpts.borderColor,\n                borderWidth: tooltipOpts.borderWidth\n            };\n        }\n\n        /**\n         * Get the size of the tooltip\n         */\n        function getTooltipSize(tooltip, model) {\n            var ctx = tooltip._chart.ctx;\n\n            var height = model.yPadding * 2; // Tooltip Padding\n            var width = 0;\n\n            // Count of all lines in the body\n            var body = model.body;\n            var combinedBodyLength = body.reduce(function(count, bodyItem) {\n                return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;\n            }, 0);\n            combinedBodyLength += model.beforeBody.length + model.afterBody.length;\n\n            var titleLineCount = model.title.length;\n            var footerLineCount = model.footer.length;\n            var titleFontSize = model.titleFontSize;\n            var bodyFontSize = model.bodyFontSize;\n            var footerFontSize = model.footerFontSize;\n\n            height += titleLineCount * titleFontSize; // Title Lines\n            height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing\n            height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin\n            height += combinedBodyLength * bodyFontSize; // Body Lines\n            height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing\n            height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin\n            height += footerLineCount * (footerFontSize); // Footer Lines\n            height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing\n\n            // Title width\n            var widthPadding = 0;\n            var maxLineWidth = function(line) {\n                width = Math.max(width, ctx.measureText(line).width + widthPadding);\n            };\n\n            ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily);\n            helpers.each(model.title, maxLineWidth);\n\n            // Body width\n            ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily);\n            helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth);\n\n            // Body lines may include some extra width due to the color box\n            widthPadding = model.displayColors ? (bodyFontSize + 2) : 0;\n            helpers.each(body, function(bodyItem) {\n                helpers.each(bodyItem.before, maxLineWidth);\n                helpers.each(bodyItem.lines, maxLineWidth);\n                helpers.each(bodyItem.after, maxLineWidth);\n            });\n\n            // Reset back to 0\n            widthPadding = 0;\n\n            // Footer width\n            ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily);\n            helpers.each(model.footer, maxLineWidth);\n\n            // Add padding\n            width += 2 * model.xPadding;\n\n            return {\n                width: width,\n                height: height\n            };\n        }\n\n        /**\n         * Helper to get the alignment of a tooltip given the size\n         */\n        function determineAlignment(tooltip, size) {\n            var model = tooltip._model;\n            var chart = tooltip._chart;\n            var chartArea = tooltip._chart.chartArea;\n            var xAlign = 'center';\n            var yAlign = 'center';\n\n            if (model.y < size.height) {\n                yAlign = 'top';\n            } else if (model.y > (chart.height - size.height)) {\n                yAlign = 'bottom';\n            }\n\n            var lf, rf; // functions to determine left, right alignment\n            var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart\n            var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges\n            var midX = (chartArea.left + chartArea.right) / 2;\n            var midY = (chartArea.top + chartArea.bottom) / 2;\n\n            if (yAlign === 'center') {\n                lf = function(x) {\n                    return x <= midX;\n                };\n                rf = function(x) {\n                    return x > midX;\n                };\n            } else {\n                lf = function(x) {\n                    return x <= (size.width / 2);\n                };\n                rf = function(x) {\n                    return x >= (chart.width - (size.width / 2));\n                };\n            }\n\n            olf = function(x) {\n                return x + size.width > chart.width;\n            };\n            orf = function(x) {\n                return x - size.width < 0;\n            };\n            yf = function(y) {\n                return y <= midY ? 'top' : 'bottom';\n            };\n\n            if (lf(model.x)) {\n                xAlign = 'left';\n\n                // Is tooltip too wide and goes over the right side of the chart.?\n                if (olf(model.x)) {\n                    xAlign = 'center';\n                    yAlign = yf(model.y);\n                }\n            } else if (rf(model.x)) {\n                xAlign = 'right';\n\n                // Is tooltip too wide and goes outside left edge of canvas?\n                if (orf(model.x)) {\n                    xAlign = 'center';\n                    yAlign = yf(model.y);\n                }\n            }\n\n            var opts = tooltip._options;\n            return {\n                xAlign: opts.xAlign ? opts.xAlign : xAlign,\n                yAlign: opts.yAlign ? opts.yAlign : yAlign\n            };\n        }\n\n        /**\n         * @Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment\n         */\n        function getBackgroundPoint(vm, size, alignment) {\n            // Background Position\n            var x = vm.x;\n            var y = vm.y;\n\n            var caretSize = vm.caretSize;\n            var caretPadding = vm.caretPadding;\n            var cornerRadius = vm.cornerRadius;\n            var xAlign = alignment.xAlign;\n            var yAlign = alignment.yAlign;\n            var paddingAndSize = caretSize + caretPadding;\n            var radiusAndPadding = cornerRadius + caretPadding;\n\n            if (xAlign === 'right') {\n                x -= size.width;\n            } else if (xAlign === 'center') {\n                x -= (size.width / 2);\n            }\n\n            if (yAlign === 'top') {\n                y += paddingAndSize;\n            } else if (yAlign === 'bottom') {\n                y -= size.height + paddingAndSize;\n            } else {\n                y -= (size.height / 2);\n            }\n\n            if (yAlign === 'center') {\n                if (xAlign === 'left') {\n                    x += paddingAndSize;\n                } else if (xAlign === 'right') {\n                    x -= paddingAndSize;\n                }\n            } else if (xAlign === 'left') {\n                x -= radiusAndPadding;\n            } else if (xAlign === 'right') {\n                x += radiusAndPadding;\n            }\n\n            return {\n                x: x,\n                y: y\n            };\n        }\n\n        Chart.Tooltip = Element.extend({\n            initialize: function() {\n                this._model = getBaseModel(this._options);\n            },\n\n            // Get the title\n            // Args are: (tooltipItem, data)\n            getTitle: function() {\n                var me = this;\n                var opts = me._options;\n                var callbacks = opts.callbacks;\n\n                var beforeTitle = callbacks.beforeTitle.apply(me, arguments);\n                var title = callbacks.title.apply(me, arguments);\n                var afterTitle = callbacks.afterTitle.apply(me, arguments);\n\n                var lines = [];\n                lines = pushOrConcat(lines, beforeTitle);\n                lines = pushOrConcat(lines, title);\n                lines = pushOrConcat(lines, afterTitle);\n\n                return lines;\n            },\n\n            // Args are: (tooltipItem, data)\n            getBeforeBody: function() {\n                var lines = this._options.callbacks.beforeBody.apply(this, arguments);\n                return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n            },\n\n            // Args are: (tooltipItem, data)\n            getBody: function(tooltipItems, data) {\n                var me = this;\n                var callbacks = me._options.callbacks;\n                var bodyItems = [];\n\n                helpers.each(tooltipItems, function(tooltipItem) {\n                    var bodyItem = {\n                        before: [],\n                        lines: [],\n                        after: []\n                    };\n                    pushOrConcat(bodyItem.before, callbacks.beforeLabel.call(me, tooltipItem, data));\n                    pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data));\n                    pushOrConcat(bodyItem.after, callbacks.afterLabel.call(me, tooltipItem, data));\n\n                    bodyItems.push(bodyItem);\n                });\n\n                return bodyItems;\n            },\n\n            // Args are: (tooltipItem, data)\n            getAfterBody: function() {\n                var lines = this._options.callbacks.afterBody.apply(this, arguments);\n                return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n            },\n\n            // Get the footer and beforeFooter and afterFooter lines\n            // Args are: (tooltipItem, data)\n            getFooter: function() {\n                var me = this;\n                var callbacks = me._options.callbacks;\n\n                var beforeFooter = callbacks.beforeFooter.apply(me, arguments);\n                var footer = callbacks.footer.apply(me, arguments);\n                var afterFooter = callbacks.afterFooter.apply(me, arguments);\n\n                var lines = [];\n                lines = pushOrConcat(lines, beforeFooter);\n                lines = pushOrConcat(lines, footer);\n                lines = pushOrConcat(lines, afterFooter);\n\n                return lines;\n            },\n\n            update: function(changed) {\n                var me = this;\n                var opts = me._options;\n\n                // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition\n                // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time\n                // which breaks any animations.\n                var existingModel = me._model;\n                var model = me._model = getBaseModel(opts);\n                var active = me._active;\n\n                var data = me._data;\n\n                // In the case where active.length === 0 we need to keep these at existing values for good animations\n                var alignment = {\n                    xAlign: existingModel.xAlign,\n                    yAlign: existingModel.yAlign\n                };\n                var backgroundPoint = {\n                    x: existingModel.x,\n                    y: existingModel.y\n                };\n                var tooltipSize = {\n                    width: existingModel.width,\n                    height: existingModel.height\n                };\n                var tooltipPosition = {\n                    x: existingModel.caretX,\n                    y: existingModel.caretY\n                };\n\n                var i, len;\n\n                if (active.length) {\n                    model.opacity = 1;\n\n                    var labelColors = [];\n                    var labelTextColors = [];\n                    tooltipPosition = Chart.Tooltip.positioners[opts.position](active, me._eventPosition);\n\n                    var tooltipItems = [];\n                    for (i = 0, len = active.length; i < len; ++i) {\n                        tooltipItems.push(createTooltipItem(active[i]));\n                    }\n\n                    // If the user provided a filter function, use it to modify the tooltip items\n                    if (opts.filter) {\n                        tooltipItems = tooltipItems.filter(function(a) {\n                            return opts.filter(a, data);\n                        });\n                    }\n\n                    // If the user provided a sorting function, use it to modify the tooltip items\n                    if (opts.itemSort) {\n                        tooltipItems = tooltipItems.sort(function(a, b) {\n                            return opts.itemSort(a, b, data);\n                        });\n                    }\n\n                    // Determine colors for boxes\n                    helpers.each(tooltipItems, function(tooltipItem) {\n                        labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart));\n                        labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart));\n                    });\n\n\n                    // Build the Text Lines\n                    model.title = me.getTitle(tooltipItems, data);\n                    model.beforeBody = me.getBeforeBody(tooltipItems, data);\n                    model.body = me.getBody(tooltipItems, data);\n                    model.afterBody = me.getAfterBody(tooltipItems, data);\n                    model.footer = me.getFooter(tooltipItems, data);\n\n                    // Initial positioning and colors\n                    model.x = Math.round(tooltipPosition.x);\n                    model.y = Math.round(tooltipPosition.y);\n                    model.caretPadding = opts.caretPadding;\n                    model.labelColors = labelColors;\n                    model.labelTextColors = labelTextColors;\n\n                    // data points\n                    model.dataPoints = tooltipItems;\n\n                    // We need to determine alignment of the tooltip\n                    tooltipSize = getTooltipSize(this, model);\n                    alignment = determineAlignment(this, tooltipSize);\n                    // Final Size and Position\n                    backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment);\n                } else {\n                    model.opacity = 0;\n                }\n\n                model.xAlign = alignment.xAlign;\n                model.yAlign = alignment.yAlign;\n                model.x = backgroundPoint.x;\n                model.y = backgroundPoint.y;\n                model.width = tooltipSize.width;\n                model.height = tooltipSize.height;\n\n                // Point where the caret on the tooltip points to\n                model.caretX = tooltipPosition.x;\n                model.caretY = tooltipPosition.y;\n\n                me._model = model;\n\n                if (changed && opts.custom) {\n                    opts.custom.call(me, model);\n                }\n\n                return me;\n            },\n            drawCaret: function(tooltipPoint, size) {\n                var ctx = this._chart.ctx;\n                var vm = this._view;\n                var caretPosition = this.getCaretPosition(tooltipPoint, size, vm);\n\n                ctx.lineTo(caretPosition.x1, caretPosition.y1);\n                ctx.lineTo(caretPosition.x2, caretPosition.y2);\n                ctx.lineTo(caretPosition.x3, caretPosition.y3);\n            },\n            getCaretPosition: function(tooltipPoint, size, vm) {\n                var x1, x2, x3, y1, y2, y3;\n                var caretSize = vm.caretSize;\n                var cornerRadius = vm.cornerRadius;\n                var xAlign = vm.xAlign;\n                var yAlign = vm.yAlign;\n                var ptX = tooltipPoint.x;\n                var ptY = tooltipPoint.y;\n                var width = size.width;\n                var height = size.height;\n\n                if (yAlign === 'center') {\n                    y2 = ptY + (height / 2);\n\n                    if (xAlign === 'left') {\n                        x1 = ptX;\n                        x2 = x1 - caretSize;\n                        x3 = x1;\n\n                        y1 = y2 + caretSize;\n                        y3 = y2 - caretSize;\n                    } else {\n                        x1 = ptX + width;\n                        x2 = x1 + caretSize;\n                        x3 = x1;\n\n                        y1 = y2 - caretSize;\n                        y3 = y2 + caretSize;\n                    }\n                } else {\n                    if (xAlign === 'left') {\n                        x2 = ptX + cornerRadius + (caretSize);\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    } else if (xAlign === 'right') {\n                        x2 = ptX + width - cornerRadius - caretSize;\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    } else {\n                        x2 = ptX + (width / 2);\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    }\n                    if (yAlign === 'top') {\n                        y1 = ptY;\n                        y2 = y1 - caretSize;\n                        y3 = y1;\n                    } else {\n                        y1 = ptY + height;\n                        y2 = y1 + caretSize;\n                        y3 = y1;\n                        // invert drawing order\n                        var tmp = x3;\n                        x3 = x1;\n                        x1 = tmp;\n                    }\n                }\n                return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3};\n            },\n            drawTitle: function(pt, vm, ctx, opacity) {\n                var title = vm.title;\n\n                if (title.length) {\n                    ctx.textAlign = vm._titleAlign;\n                    ctx.textBaseline = 'top';\n\n                    var titleFontSize = vm.titleFontSize;\n                    var titleSpacing = vm.titleSpacing;\n\n                    ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity);\n                    ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily);\n\n                    var i, len;\n                    for (i = 0, len = title.length; i < len; ++i) {\n                        ctx.fillText(title[i], pt.x, pt.y);\n                        pt.y += titleFontSize + titleSpacing; // Line Height and spacing\n\n                        if (i + 1 === title.length) {\n                            pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing\n                        }\n                    }\n                }\n            },\n            drawBody: function(pt, vm, ctx, opacity) {\n                var bodyFontSize = vm.bodyFontSize;\n                var bodySpacing = vm.bodySpacing;\n                var body = vm.body;\n\n                ctx.textAlign = vm._bodyAlign;\n                ctx.textBaseline = 'top';\n                ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);\n\n                // Before Body\n                var xLinePadding = 0;\n                var fillLineOfText = function(line) {\n                    ctx.fillText(line, pt.x + xLinePadding, pt.y);\n                    pt.y += bodyFontSize + bodySpacing;\n                };\n\n                // Before body lines\n                helpers.each(vm.beforeBody, fillLineOfText);\n\n                var drawColorBoxes = vm.displayColors;\n                xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0;\n\n                // Draw body lines now\n                helpers.each(body, function(bodyItem, i) {\n                    helpers.each(bodyItem.before, fillLineOfText);\n\n                    helpers.each(bodyItem.lines, function(line) {\n                        // Draw Legend-like boxes if needed\n                        if (drawColorBoxes) {\n                            // Fill a white rect so that colours merge nicely if the opacity is < 1\n                            ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity);\n                            ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n                            // Border\n                            ctx.lineWidth = 1;\n                            ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity);\n                            ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n                            // Inner square\n                            ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity);\n                            ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2);\n                            var textColor = mergeOpacity(vm.labelTextColors[i], opacity);\n                            ctx.fillStyle = textColor;\n                        }\n\n                        fillLineOfText(line);\n                    });\n\n                    helpers.each(bodyItem.after, fillLineOfText);\n                });\n\n                // Reset back to 0 for after body\n                xLinePadding = 0;\n\n                // After body lines\n                helpers.each(vm.afterBody, fillLineOfText);\n                pt.y -= bodySpacing; // Remove last body spacing\n            },\n            drawFooter: function(pt, vm, ctx, opacity) {\n                var footer = vm.footer;\n\n                if (footer.length) {\n                    pt.y += vm.footerMarginTop;\n\n                    ctx.textAlign = vm._footerAlign;\n                    ctx.textBaseline = 'top';\n\n                    ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity);\n                    ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);\n\n                    helpers.each(footer, function(line) {\n                        ctx.fillText(line, pt.x, pt.y);\n                        pt.y += vm.footerFontSize + vm.footerSpacing;\n                    });\n                }\n            },\n            drawBackground: function(pt, vm, ctx, tooltipSize, opacity) {\n                ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity);\n                ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity);\n                ctx.lineWidth = vm.borderWidth;\n                var xAlign = vm.xAlign;\n                var yAlign = vm.yAlign;\n                var x = pt.x;\n                var y = pt.y;\n                var width = tooltipSize.width;\n                var height = tooltipSize.height;\n                var radius = vm.cornerRadius;\n\n                ctx.beginPath();\n                ctx.moveTo(x + radius, y);\n                if (yAlign === 'top') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + width - radius, y);\n                ctx.quadraticCurveTo(x + width, y, x + width, y + radius);\n                if (yAlign === 'center' && xAlign === 'right') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + width, y + height - radius);\n                ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);\n                if (yAlign === 'bottom') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + radius, y + height);\n                ctx.quadraticCurveTo(x, y + height, x, y + height - radius);\n                if (yAlign === 'center' && xAlign === 'left') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x, y + radius);\n                ctx.quadraticCurveTo(x, y, x + radius, y);\n                ctx.closePath();\n\n                ctx.fill();\n\n                if (vm.borderWidth > 0) {\n                    ctx.stroke();\n                }\n            },\n            draw: function() {\n                var ctx = this._chart.ctx;\n                var vm = this._view;\n\n                if (vm.opacity === 0) {\n                    return;\n                }\n\n                var tooltipSize = {\n                    width: vm.width,\n                    height: vm.height\n                };\n                var pt = {\n                    x: vm.x,\n                    y: vm.y\n                };\n\n                // IE11/Edge does not like very small opacities, so snap to 0\n                var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;\n\n                // Truthy/falsey value for empty tooltip\n                var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length;\n\n                if (this._options.enabled && hasTooltipContent) {\n                    // Draw Background\n                    this.drawBackground(pt, vm, ctx, tooltipSize, opacity);\n\n                    // Draw Title, Body, and Footer\n                    pt.x += vm.xPadding;\n                    pt.y += vm.yPadding;\n\n                    // Titles\n                    this.drawTitle(pt, vm, ctx, opacity);\n\n                    // Body\n                    this.drawBody(pt, vm, ctx, opacity);\n\n                    // Footer\n                    this.drawFooter(pt, vm, ctx, opacity);\n                }\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event - The event to handle\n             * @returns {Boolean} true if the tooltip changed\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var options = me._options;\n                var changed = false;\n\n                me._lastActive = me._lastActive || [];\n\n                // Find Active Elements for tooltips\n                if (e.type === 'mouseout') {\n                    me._active = [];\n                } else {\n                    me._active = me._chart.getElementsAtEventForMode(e, options.mode, options);\n                }\n\n                // Remember Last Actives\n                changed = !helpers.arrayEquals(me._active, me._lastActive);\n\n                // If tooltip didn't change, do not handle the target event\n                if (!changed) {\n                    return false;\n                }\n\n                me._lastActive = me._active;\n\n                if (options.enabled || options.custom) {\n                    me._eventPosition = {\n                        x: e.x,\n                        y: e.y\n                    };\n\n                    var model = me._model;\n                    me.update(true);\n                    me.pivot();\n\n                    // See if our tooltip position changed\n                    changed |= (model.x !== me._model.x) || (model.y !== me._model.y);\n                }\n\n                return changed;\n            }\n        });\n\n        /**\n         * @namespace Chart.Tooltip.positioners\n         */\n        Chart.Tooltip.positioners = {\n            /**\n             * Average mode places the tooltip at the average position of the elements shown\n             * @function Chart.Tooltip.positioners.average\n             * @param elements {ChartElement[]} the elements being displayed in the tooltip\n             * @returns {Point} tooltip position\n             */\n            average: function(elements) {\n                if (!elements.length) {\n                    return false;\n                }\n\n                var i, len;\n                var x = 0;\n                var y = 0;\n                var count = 0;\n\n                for (i = 0, len = elements.length; i < len; ++i) {\n                    var el = elements[i];\n                    if (el && el.hasValue()) {\n                        var pos = el.tooltipPosition();\n                        x += pos.x;\n                        y += pos.y;\n                        ++count;\n                    }\n                }\n\n                return {\n                    x: Math.round(x / count),\n                    y: Math.round(y / count)\n                };\n            },\n\n            /**\n             * Gets the tooltip position nearest of the item nearest to the event position\n             * @function Chart.Tooltip.positioners.nearest\n             * @param elements {Chart.Element[]} the tooltip elements\n             * @param eventPosition {Point} the position of the event in canvas coordinates\n             * @returns {Point} the tooltip position\n             */\n            nearest: function(elements, eventPosition) {\n                var x = eventPosition.x;\n                var y = eventPosition.y;\n                var minDistance = Number.POSITIVE_INFINITY;\n                var i, len, nearestElement;\n\n                for (i = 0, len = elements.length; i < len; ++i) {\n                    var el = elements[i];\n                    if (el && el.hasValue()) {\n                        var center = el.getCenterPoint();\n                        var d = helpers.distanceBetweenPoints(eventPosition, center);\n\n                        if (d < minDistance) {\n                            minDistance = d;\n                            nearestElement = el;\n                        }\n                    }\n                }\n\n                if (nearestElement) {\n                    var tp = nearestElement.tooltipPosition();\n                    x = tp.x;\n                    y = tp.y;\n                }\n\n                return {\n                    x: x,\n                    y: y\n                };\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],36:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        elements: {\n            arc: {\n                backgroundColor: defaults.global.defaultColor,\n                borderColor: '#fff',\n                borderWidth: 2\n            }\n        }\n    });\n\n    module.exports = Element.extend({\n        inLabelRange: function(mouseX) {\n            var vm = this._view;\n\n            if (vm) {\n                return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));\n            }\n            return false;\n        },\n\n        inRange: function(chartX, chartY) {\n            var vm = this._view;\n\n            if (vm) {\n                var pointRelativePosition = helpers.getAngleFromPoint(vm, {x: chartX, y: chartY});\n                var\tangle = pointRelativePosition.angle;\n                var distance = pointRelativePosition.distance;\n\n                // Sanitise angle range\n                var startAngle = vm.startAngle;\n                var endAngle = vm.endAngle;\n                while (endAngle < startAngle) {\n                    endAngle += 2.0 * Math.PI;\n                }\n                while (angle > endAngle) {\n                    angle -= 2.0 * Math.PI;\n                }\n                while (angle < startAngle) {\n                    angle += 2.0 * Math.PI;\n                }\n\n                // Check if within the range of the open/close angle\n                var betweenAngles = (angle >= startAngle && angle <= endAngle);\n                var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);\n\n                return (betweenAngles && withinRadius);\n            }\n            return false;\n        },\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            var halfAngle = (vm.startAngle + vm.endAngle) / 2;\n            var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;\n            return {\n                x: vm.x + Math.cos(halfAngle) * halfRadius,\n                y: vm.y + Math.sin(halfAngle) * halfRadius\n            };\n        },\n\n        getArea: function() {\n            var vm = this._view;\n            return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);\n            var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;\n\n            return {\n                x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),\n                y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)\n            };\n        },\n\n        draw: function() {\n            var ctx = this._chart.ctx;\n            var vm = this._view;\n            var sA = vm.startAngle;\n            var eA = vm.endAngle;\n\n            ctx.beginPath();\n\n            ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA);\n            ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true);\n\n            ctx.closePath();\n            ctx.strokeStyle = vm.borderColor;\n            ctx.lineWidth = vm.borderWidth;\n\n            ctx.fillStyle = vm.backgroundColor;\n\n            ctx.fill();\n            ctx.lineJoin = 'bevel';\n\n            if (vm.borderWidth) {\n                ctx.stroke();\n            }\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],37:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    var globalDefaults = defaults.global;\n\n    defaults._set('global', {\n        elements: {\n            line: {\n                tension: 0.4,\n                backgroundColor: globalDefaults.defaultColor,\n                borderWidth: 3,\n                borderColor: globalDefaults.defaultColor,\n                borderCapStyle: 'butt',\n                borderDash: [],\n                borderDashOffset: 0.0,\n                borderJoinStyle: 'miter',\n                capBezierPoints: true,\n                fill: true, // do we fill in the area between the line and its base axis\n            }\n        }\n    });\n\n    module.exports = Element.extend({\n        draw: function() {\n            var me = this;\n            var vm = me._view;\n            var ctx = me._chart.ctx;\n            var spanGaps = vm.spanGaps;\n            var points = me._children.slice(); // clone array\n            var globalOptionLineElements = globalDefaults.elements.line;\n            var lastDrawnIndex = -1;\n            var index, current, previous, currentVM;\n\n            // If we are looping, adding the first point again\n            if (me._loop && points.length) {\n                points.push(points[0]);\n            }\n\n            ctx.save();\n\n            // Stroke Line Options\n            ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;\n\n            // IE 9 and 10 do not support line dash\n            if (ctx.setLineDash) {\n                ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);\n            }\n\n            ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset;\n            ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;\n            ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth;\n            ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;\n\n            // Stroke Line\n            ctx.beginPath();\n            lastDrawnIndex = -1;\n\n            for (index = 0; index < points.length; ++index) {\n                current = points[index];\n                previous = helpers.previousItem(points, index);\n                currentVM = current._view;\n\n                // First point moves to it's starting position no matter what\n                if (index === 0) {\n                    if (!currentVM.skip) {\n                        ctx.moveTo(currentVM.x, currentVM.y);\n                        lastDrawnIndex = index;\n                    }\n                } else {\n                    previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex];\n\n                    if (!currentVM.skip) {\n                        if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {\n                            // There was a gap and this is the first point after the gap\n                            ctx.moveTo(currentVM.x, currentVM.y);\n                        } else {\n                            // Line to next point\n                            helpers.canvas.lineTo(ctx, previous._view, current._view);\n                        }\n                        lastDrawnIndex = index;\n                    }\n                }\n            }\n\n            ctx.stroke();\n            ctx.restore();\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],38:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    var defaultColor = defaults.global.defaultColor;\n\n    defaults._set('global', {\n        elements: {\n            point: {\n                radius: 3,\n                pointStyle: 'circle',\n                backgroundColor: defaultColor,\n                borderColor: defaultColor,\n                borderWidth: 1,\n                // Hover\n                hitRadius: 1,\n                hoverRadius: 4,\n                hoverBorderWidth: 1\n            }\n        }\n    });\n\n    function xRange(mouseX) {\n        var vm = this._view;\n        return vm ? (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n    }\n\n    function yRange(mouseY) {\n        var vm = this._view;\n        return vm ? (Math.pow(mouseY - vm.y, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n    }\n\n    module.exports = Element.extend({\n        inRange: function(mouseX, mouseY) {\n            var vm = this._view;\n            return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;\n        },\n\n        inLabelRange: xRange,\n        inXRange: xRange,\n        inYRange: yRange,\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y\n            };\n        },\n\n        getArea: function() {\n            return Math.PI * Math.pow(this._view.radius, 2);\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y,\n                padding: vm.radius + vm.borderWidth\n            };\n        },\n\n        draw: function(chartArea) {\n            var vm = this._view;\n            var model = this._model;\n            var ctx = this._chart.ctx;\n            var pointStyle = vm.pointStyle;\n            var radius = vm.radius;\n            var x = vm.x;\n            var y = vm.y;\n            var color = helpers.color;\n            var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.)\n            var ratio = 0;\n\n            if (vm.skip) {\n                return;\n            }\n\n            ctx.strokeStyle = vm.borderColor || defaultColor;\n            ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth);\n            ctx.fillStyle = vm.backgroundColor || defaultColor;\n\n            // Cliping for Points.\n            // going out from inner charArea?\n            if ((chartArea !== undefined) && ((model.x < chartArea.left) || (chartArea.right * errMargin < model.x) || (model.y < chartArea.top) || (chartArea.bottom * errMargin < model.y))) {\n                // Point fade out\n                if (model.x < chartArea.left) {\n                    ratio = (x - model.x) / (chartArea.left - model.x);\n                } else if (chartArea.right * errMargin < model.x) {\n                    ratio = (model.x - x) / (model.x - chartArea.right);\n                } else if (model.y < chartArea.top) {\n                    ratio = (y - model.y) / (chartArea.top - model.y);\n                } else if (chartArea.bottom * errMargin < model.y) {\n                    ratio = (model.y - y) / (model.y - chartArea.bottom);\n                }\n                ratio = Math.round(ratio * 100) / 100;\n                ctx.strokeStyle = color(ctx.strokeStyle).alpha(ratio).rgbString();\n                ctx.fillStyle = color(ctx.fillStyle).alpha(ratio).rgbString();\n            }\n\n            helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y);\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],39:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n\n    defaults._set('global', {\n        elements: {\n            rectangle: {\n                backgroundColor: defaults.global.defaultColor,\n                borderColor: defaults.global.defaultColor,\n                borderSkipped: 'bottom',\n                borderWidth: 0\n            }\n        }\n    });\n\n    function isVertical(bar) {\n        return bar._view.width !== undefined;\n    }\n\n    /**\n     * Helper function to get the bounds of the bar regardless of the orientation\n     * @param bar {Chart.Element.Rectangle} the bar\n     * @return {Bounds} bounds of the bar\n     * @private\n     */\n    function getBarBounds(bar) {\n        var vm = bar._view;\n        var x1, x2, y1, y2;\n\n        if (isVertical(bar)) {\n            // vertical\n            var halfWidth = vm.width / 2;\n            x1 = vm.x - halfWidth;\n            x2 = vm.x + halfWidth;\n            y1 = Math.min(vm.y, vm.base);\n            y2 = Math.max(vm.y, vm.base);\n        } else {\n            // horizontal bar\n            var halfHeight = vm.height / 2;\n            x1 = Math.min(vm.x, vm.base);\n            x2 = Math.max(vm.x, vm.base);\n            y1 = vm.y - halfHeight;\n            y2 = vm.y + halfHeight;\n        }\n\n        return {\n            left: x1,\n            top: y1,\n            right: x2,\n            bottom: y2\n        };\n    }\n\n    module.exports = Element.extend({\n        draw: function() {\n            var ctx = this._chart.ctx;\n            var vm = this._view;\n            var left, right, top, bottom, signX, signY, borderSkipped;\n            var borderWidth = vm.borderWidth;\n\n            if (!vm.horizontal) {\n                // bar\n                left = vm.x - vm.width / 2;\n                right = vm.x + vm.width / 2;\n                top = vm.y;\n                bottom = vm.base;\n                signX = 1;\n                signY = bottom > top ? 1 : -1;\n                borderSkipped = vm.borderSkipped || 'bottom';\n            } else {\n                // horizontal bar\n                left = vm.base;\n                right = vm.x;\n                top = vm.y - vm.height / 2;\n                bottom = vm.y + vm.height / 2;\n                signX = right > left ? 1 : -1;\n                signY = 1;\n                borderSkipped = vm.borderSkipped || 'left';\n            }\n\n            // Canvas doesn't allow us to stroke inside the width so we can\n            // adjust the sizes to fit if we're setting a stroke on the line\n            if (borderWidth) {\n                // borderWidth shold be less than bar width and bar height.\n                var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom));\n                borderWidth = borderWidth > barSize ? barSize : borderWidth;\n                var halfStroke = borderWidth / 2;\n                // Adjust borderWidth when bar top position is near vm.base(zero).\n                var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0);\n                var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0);\n                var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0);\n                var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0);\n                // not become a vertical line?\n                if (borderLeft !== borderRight) {\n                    top = borderTop;\n                    bottom = borderBottom;\n                }\n                // not become a horizontal line?\n                if (borderTop !== borderBottom) {\n                    left = borderLeft;\n                    right = borderRight;\n                }\n            }\n\n            ctx.beginPath();\n            ctx.fillStyle = vm.backgroundColor;\n            ctx.strokeStyle = vm.borderColor;\n            ctx.lineWidth = borderWidth;\n\n            // Corner points, from bottom-left to bottom-right clockwise\n            // | 1 2 |\n            // | 0 3 |\n            var corners = [\n                [left, bottom],\n                [left, top],\n                [right, top],\n                [right, bottom]\n            ];\n\n            // Find first (starting) corner with fallback to 'bottom'\n            var borders = ['bottom', 'left', 'top', 'right'];\n            var startCorner = borders.indexOf(borderSkipped, 0);\n            if (startCorner === -1) {\n                startCorner = 0;\n            }\n\n            function cornerAt(index) {\n                return corners[(startCorner + index) % 4];\n            }\n\n            // Draw rectangle from 'startCorner'\n            var corner = cornerAt(0);\n            ctx.moveTo(corner[0], corner[1]);\n\n            for (var i = 1; i < 4; i++) {\n                corner = cornerAt(i);\n                ctx.lineTo(corner[0], corner[1]);\n            }\n\n            ctx.fill();\n            if (borderWidth) {\n                ctx.stroke();\n            }\n        },\n\n        height: function() {\n            var vm = this._view;\n            return vm.base - vm.y;\n        },\n\n        inRange: function(mouseX, mouseY) {\n            var inRange = false;\n\n            if (this._view) {\n                var bounds = getBarBounds(this);\n                inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom;\n            }\n\n            return inRange;\n        },\n\n        inLabelRange: function(mouseX, mouseY) {\n            var me = this;\n            if (!me._view) {\n                return false;\n            }\n\n            var inRange = false;\n            var bounds = getBarBounds(me);\n\n            if (isVertical(me)) {\n                inRange = mouseX >= bounds.left && mouseX <= bounds.right;\n            } else {\n                inRange = mouseY >= bounds.top && mouseY <= bounds.bottom;\n            }\n\n            return inRange;\n        },\n\n        inXRange: function(mouseX) {\n            var bounds = getBarBounds(this);\n            return mouseX >= bounds.left && mouseX <= bounds.right;\n        },\n\n        inYRange: function(mouseY) {\n            var bounds = getBarBounds(this);\n            return mouseY >= bounds.top && mouseY <= bounds.bottom;\n        },\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            var x, y;\n            if (isVertical(this)) {\n                x = vm.x;\n                y = (vm.y + vm.base) / 2;\n            } else {\n                x = (vm.x + vm.base) / 2;\n                y = vm.y;\n            }\n\n            return {x: x, y: y};\n        },\n\n        getArea: function() {\n            var vm = this._view;\n            return vm.width * Math.abs(vm.y - vm.base);\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y\n            };\n        }\n    });\n\n},{\"25\":25,\"26\":26}],40:[function(require,module,exports){\n    'use strict';\n\n    module.exports = {};\n    module.exports.Arc = require(36);\n    module.exports.Line = require(37);\n    module.exports.Point = require(38);\n    module.exports.Rectangle = require(39);\n\n},{\"36\":36,\"37\":37,\"38\":38,\"39\":39}],41:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * @namespace Chart.helpers.canvas\n     */\n    var exports = module.exports = {\n        /**\n         * Clears the entire canvas associated to the given `chart`.\n         * @param {Chart} chart - The chart for which to clear the canvas.\n         */\n        clear: function(chart) {\n            chart.ctx.clearRect(0, 0, chart.width, chart.height);\n        },\n\n        /**\n         * Creates a \"path\" for a rectangle with rounded corners at position (x, y) with a\n         * given size (width, height) and the same `radius` for all corners.\n         * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.\n         * @param {Number} x - The x axis of the coordinate for the rectangle starting point.\n         * @param {Number} y - The y axis of the coordinate for the rectangle starting point.\n         * @param {Number} width - The rectangle's width.\n         * @param {Number} height - The rectangle's height.\n         * @param {Number} radius - The rounded amount (in pixels) for the four corners.\n         * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?\n         */\n        roundedRect: function(ctx, x, y, width, height, radius) {\n            if (radius) {\n                var rx = Math.min(radius, width / 2);\n                var ry = Math.min(radius, height / 2);\n\n                ctx.moveTo(x + rx, y);\n                ctx.lineTo(x + width - rx, y);\n                ctx.quadraticCurveTo(x + width, y, x + width, y + ry);\n                ctx.lineTo(x + width, y + height - ry);\n                ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height);\n                ctx.lineTo(x + rx, y + height);\n                ctx.quadraticCurveTo(x, y + height, x, y + height - ry);\n                ctx.lineTo(x, y + ry);\n                ctx.quadraticCurveTo(x, y, x + rx, y);\n            } else {\n                ctx.rect(x, y, width, height);\n            }\n        },\n\n        drawPoint: function(ctx, style, radius, x, y) {\n            var type, edgeLength, xOffset, yOffset, height, size;\n\n            if (typeof style === 'object') {\n                type = style.toString();\n                if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\n                    ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height);\n                    return;\n                }\n            }\n\n            if (isNaN(radius) || radius <= 0) {\n                return;\n            }\n\n            switch (style) {\n                // Default includes circle\n                default:\n                    ctx.beginPath();\n                    ctx.arc(x, y, radius, 0, Math.PI * 2);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'triangle':\n                    ctx.beginPath();\n                    edgeLength = 3 * radius / Math.sqrt(3);\n                    height = edgeLength * Math.sqrt(3) / 2;\n                    ctx.moveTo(x - edgeLength / 2, y + height / 3);\n                    ctx.lineTo(x + edgeLength / 2, y + height / 3);\n                    ctx.lineTo(x, y - 2 * height / 3);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'rect':\n                    size = 1 / Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    ctx.fillRect(x - size, y - size, 2 * size, 2 * size);\n                    ctx.strokeRect(x - size, y - size, 2 * size, 2 * size);\n                    break;\n                case 'rectRounded':\n                    var offset = radius / Math.SQRT2;\n                    var leftX = x - offset;\n                    var topY = y - offset;\n                    var sideSize = Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius / 2);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'rectRot':\n                    size = 1 / Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    ctx.moveTo(x - size, y);\n                    ctx.lineTo(x, y + size);\n                    ctx.lineTo(x + size, y);\n                    ctx.lineTo(x, y - size);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'cross':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y + radius);\n                    ctx.lineTo(x, y - radius);\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n                case 'crossRot':\n                    ctx.beginPath();\n                    xOffset = Math.cos(Math.PI / 4) * radius;\n                    yOffset = Math.sin(Math.PI / 4) * radius;\n                    ctx.moveTo(x - xOffset, y - yOffset);\n                    ctx.lineTo(x + xOffset, y + yOffset);\n                    ctx.moveTo(x - xOffset, y + yOffset);\n                    ctx.lineTo(x + xOffset, y - yOffset);\n                    ctx.closePath();\n                    break;\n                case 'star':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y + radius);\n                    ctx.lineTo(x, y - radius);\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    xOffset = Math.cos(Math.PI / 4) * radius;\n                    yOffset = Math.sin(Math.PI / 4) * radius;\n                    ctx.moveTo(x - xOffset, y - yOffset);\n                    ctx.lineTo(x + xOffset, y + yOffset);\n                    ctx.moveTo(x - xOffset, y + yOffset);\n                    ctx.lineTo(x + xOffset, y - yOffset);\n                    ctx.closePath();\n                    break;\n                case 'line':\n                    ctx.beginPath();\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n                case 'dash':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n            }\n\n            ctx.stroke();\n        },\n\n        clipArea: function(ctx, area) {\n            ctx.save();\n            ctx.beginPath();\n            ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\n            ctx.clip();\n        },\n\n        unclipArea: function(ctx) {\n            ctx.restore();\n        },\n\n        lineTo: function(ctx, previous, target, flip) {\n            if (target.steppedLine) {\n                if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) {\n                    ctx.lineTo(previous.x, target.y);\n                } else {\n                    ctx.lineTo(target.x, previous.y);\n                }\n                ctx.lineTo(target.x, target.y);\n                return;\n            }\n\n            if (!target.tension) {\n                ctx.lineTo(target.x, target.y);\n                return;\n            }\n\n            ctx.bezierCurveTo(\n                flip ? previous.controlPointPreviousX : previous.controlPointNextX,\n                flip ? previous.controlPointPreviousY : previous.controlPointNextY,\n                flip ? target.controlPointNextX : target.controlPointPreviousX,\n                flip ? target.controlPointNextY : target.controlPointPreviousY,\n                target.x,\n                target.y);\n        }\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.\n     * @namespace Chart.helpers.clear\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.clear = exports.clear;\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.\n     * @namespace Chart.helpers.drawRoundedRectangle\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.drawRoundedRectangle = function(ctx) {\n        ctx.beginPath();\n        exports.roundedRect.apply(exports, arguments);\n        ctx.closePath();\n    };\n\n},{\"42\":42}],42:[function(require,module,exports){\n    'use strict';\n\n    /**\n     * @namespace Chart.helpers\n     */\n    var helpers = {\n        /**\n         * An empty function that can be used, for example, for optional callback.\n         */\n        noop: function() {},\n\n        /**\n         * Returns a unique id, sequentially generated from a global variable.\n         * @returns {Number}\n         * @function\n         */\n        uid: (function() {\n            var id = 0;\n            return function() {\n                return id++;\n            };\n        }()),\n\n        /**\n         * Returns true if `value` is neither null nor undefined, else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @since 2.7.0\n         */\n        isNullOrUndef: function(value) {\n            return value === null || typeof value === 'undefined';\n        },\n\n        /**\n         * Returns true if `value` is an array, else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @function\n         */\n        isArray: Array.isArray ? Array.isArray : function(value) {\n            return Object.prototype.toString.call(value) === '[object Array]';\n        },\n\n        /**\n         * Returns true if `value` is an object (excluding null), else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @since 2.7.0\n         */\n        isObject: function(value) {\n            return value !== null && Object.prototype.toString.call(value) === '[object Object]';\n        },\n\n        /**\n         * Returns `value` if defined, else returns `defaultValue`.\n         * @param {*} value - The value to return if defined.\n         * @param {*} defaultValue - The value to return if `value` is undefined.\n         * @returns {*}\n         */\n        valueOrDefault: function(value, defaultValue) {\n            return typeof value === 'undefined' ? defaultValue : value;\n        },\n\n        /**\n         * Returns value at the given `index` in array if defined, else returns `defaultValue`.\n         * @param {Array} value - The array to lookup for value at `index`.\n         * @param {Number} index - The index in `value` to lookup for value.\n         * @param {*} defaultValue - The value to return if `value[index]` is undefined.\n         * @returns {*}\n         */\n        valueAtIndexOrDefault: function(value, index, defaultValue) {\n            return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);\n        },\n\n        /**\n         * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the\n         * value returned by `fn`. If `fn` is not a function, this method returns undefined.\n         * @param {Function} fn - The function to call.\n         * @param {Array|undefined|null} args - The arguments with which `fn` should be called.\n         * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n         * @returns {*}\n         */\n        callback: function(fn, args, thisArg) {\n            if (fn && typeof fn.call === 'function') {\n                return fn.apply(thisArg, args);\n            }\n        },\n\n        /**\n         * Note(SB) for performance sake, this method should only be used when loopable type\n         * is unknown or in none intensive code (not called often and small loopable). Else\n         * it's preferable to use a regular for() loop and save extra function calls.\n         * @param {Object|Array} loopable - The object or array to be iterated.\n         * @param {Function} fn - The function to call for each item.\n         * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n         * @param {Boolean} [reverse] - If true, iterates backward on the loopable.\n         */\n        each: function(loopable, fn, thisArg, reverse) {\n            var i, len, keys;\n            if (helpers.isArray(loopable)) {\n                len = loopable.length;\n                if (reverse) {\n                    for (i = len - 1; i >= 0; i--) {\n                        fn.call(thisArg, loopable[i], i);\n                    }\n                } else {\n                    for (i = 0; i < len; i++) {\n                        fn.call(thisArg, loopable[i], i);\n                    }\n                }\n            } else if (helpers.isObject(loopable)) {\n                keys = Object.keys(loopable);\n                len = keys.length;\n                for (i = 0; i < len; i++) {\n                    fn.call(thisArg, loopable[keys[i]], keys[i]);\n                }\n            }\n        },\n\n        /**\n         * Returns true if the `a0` and `a1` arrays have the same content, else returns false.\n         * @see http://stackoverflow.com/a/14853974\n         * @param {Array} a0 - The array to compare\n         * @param {Array} a1 - The array to compare\n         * @returns {Boolean}\n         */\n        arrayEquals: function(a0, a1) {\n            var i, ilen, v0, v1;\n\n            if (!a0 || !a1 || a0.length !== a1.length) {\n                return false;\n            }\n\n            for (i = 0, ilen = a0.length; i < ilen; ++i) {\n                v0 = a0[i];\n                v1 = a1[i];\n\n                if (v0 instanceof Array && v1 instanceof Array) {\n                    if (!helpers.arrayEquals(v0, v1)) {\n                        return false;\n                    }\n                } else if (v0 !== v1) {\n                    // NOTE: two different object instances will never be equal: {x:20} != {x:20}\n                    return false;\n                }\n            }\n\n            return true;\n        },\n\n        /**\n         * Returns a deep copy of `source` without keeping references on objects and arrays.\n         * @param {*} source - The value to clone.\n         * @returns {*}\n         */\n        clone: function(source) {\n            if (helpers.isArray(source)) {\n                return source.map(helpers.clone);\n            }\n\n            if (helpers.isObject(source)) {\n                var target = {};\n                var keys = Object.keys(source);\n                var klen = keys.length;\n                var k = 0;\n\n                for (; k < klen; ++k) {\n                    target[keys[k]] = helpers.clone(source[keys[k]]);\n                }\n\n                return target;\n            }\n\n            return source;\n        },\n\n        /**\n         * The default merger when Chart.helpers.merge is called without merger option.\n         * Note(SB): this method is also used by configMerge and scaleMerge as fallback.\n         * @private\n         */\n        _merger: function(key, target, source, options) {\n            var tval = target[key];\n            var sval = source[key];\n\n            if (helpers.isObject(tval) && helpers.isObject(sval)) {\n                helpers.merge(tval, sval, options);\n            } else {\n                target[key] = helpers.clone(sval);\n            }\n        },\n\n        /**\n         * Merges source[key] in target[key] only if target[key] is undefined.\n         * @private\n         */\n        _mergerIf: function(key, target, source) {\n            var tval = target[key];\n            var sval = source[key];\n\n            if (helpers.isObject(tval) && helpers.isObject(sval)) {\n                helpers.mergeIf(tval, sval);\n            } else if (!target.hasOwnProperty(key)) {\n                target[key] = helpers.clone(sval);\n            }\n        },\n\n        /**\n         * Recursively deep copies `source` properties into `target` with the given `options`.\n         * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n         * @param {Object} target - The target object in which all sources are merged into.\n         * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n         * @param {Object} [options] - Merging options:\n         * @param {Function} [options.merger] - The merge method (key, target, source, options)\n         * @returns {Object} The `target` object.\n         */\n        merge: function(target, source, options) {\n            var sources = helpers.isArray(source) ? source : [source];\n            var ilen = sources.length;\n            var merge, i, keys, klen, k;\n\n            if (!helpers.isObject(target)) {\n                return target;\n            }\n\n            options = options || {};\n            merge = options.merger || helpers._merger;\n\n            for (i = 0; i < ilen; ++i) {\n                source = sources[i];\n                if (!helpers.isObject(source)) {\n                    continue;\n                }\n\n                keys = Object.keys(source);\n                for (k = 0, klen = keys.length; k < klen; ++k) {\n                    merge(keys[k], target, source, options);\n                }\n            }\n\n            return target;\n        },\n\n        /**\n         * Recursively deep copies `source` properties into `target` *only* if not defined in target.\n         * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n         * @param {Object} target - The target object in which all sources are merged into.\n         * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n         * @returns {Object} The `target` object.\n         */\n        mergeIf: function(target, source) {\n            return helpers.merge(target, source, {merger: helpers._mergerIf});\n        }\n    };\n\n    module.exports = helpers;\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.callback instead.\n     * @function Chart.helpers.callCallback\n     * @deprecated since version 2.6.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.callCallback = helpers.callback;\n\n    /**\n     * Provided for backward compatibility, use Array.prototype.indexOf instead.\n     * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+\n     * @function Chart.helpers.indexOf\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.indexOf = function(array, item, fromIndex) {\n        return Array.prototype.indexOf.call(array, item, fromIndex);\n    };\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.\n     * @function Chart.helpers.getValueOrDefault\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.getValueOrDefault = helpers.valueOrDefault;\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.\n     * @function Chart.helpers.getValueAtIndexOrDefault\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n},{}],43:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * Easing functions adapted from Robert Penner's easing equations.\n     * @namespace Chart.helpers.easingEffects\n     * @see http://www.robertpenner.com/easing/\n     */\n    var effects = {\n        linear: function(t) {\n            return t;\n        },\n\n        easeInQuad: function(t) {\n            return t * t;\n        },\n\n        easeOutQuad: function(t) {\n            return -t * (t - 2);\n        },\n\n        easeInOutQuad: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t;\n            }\n            return -0.5 * ((--t) * (t - 2) - 1);\n        },\n\n        easeInCubic: function(t) {\n            return t * t * t;\n        },\n\n        easeOutCubic: function(t) {\n            return (t = t - 1) * t * t + 1;\n        },\n\n        easeInOutCubic: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t;\n            }\n            return 0.5 * ((t -= 2) * t * t + 2);\n        },\n\n        easeInQuart: function(t) {\n            return t * t * t * t;\n        },\n\n        easeOutQuart: function(t) {\n            return -((t = t - 1) * t * t * t - 1);\n        },\n\n        easeInOutQuart: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t * t;\n            }\n            return -0.5 * ((t -= 2) * t * t * t - 2);\n        },\n\n        easeInQuint: function(t) {\n            return t * t * t * t * t;\n        },\n\n        easeOutQuint: function(t) {\n            return (t = t - 1) * t * t * t * t + 1;\n        },\n\n        easeInOutQuint: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t * t * t;\n            }\n            return 0.5 * ((t -= 2) * t * t * t * t + 2);\n        },\n\n        easeInSine: function(t) {\n            return -Math.cos(t * (Math.PI / 2)) + 1;\n        },\n\n        easeOutSine: function(t) {\n            return Math.sin(t * (Math.PI / 2));\n        },\n\n        easeInOutSine: function(t) {\n            return -0.5 * (Math.cos(Math.PI * t) - 1);\n        },\n\n        easeInExpo: function(t) {\n            return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));\n        },\n\n        easeOutExpo: function(t) {\n            return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;\n        },\n\n        easeInOutExpo: function(t) {\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if ((t /= 0.5) < 1) {\n                return 0.5 * Math.pow(2, 10 * (t - 1));\n            }\n            return 0.5 * (-Math.pow(2, -10 * --t) + 2);\n        },\n\n        easeInCirc: function(t) {\n            if (t >= 1) {\n                return t;\n            }\n            return -(Math.sqrt(1 - t * t) - 1);\n        },\n\n        easeOutCirc: function(t) {\n            return Math.sqrt(1 - (t = t - 1) * t);\n        },\n\n        easeInOutCirc: function(t) {\n            if ((t /= 0.5) < 1) {\n                return -0.5 * (Math.sqrt(1 - t * t) - 1);\n            }\n            return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);\n        },\n\n        easeInElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.3;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n        },\n\n        easeOutElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.3;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;\n        },\n\n        easeInOutElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if ((t /= 0.5) === 2) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.45;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            if (t < 1) {\n                return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n            }\n            return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;\n        },\n        easeInBack: function(t) {\n            var s = 1.70158;\n            return t * t * ((s + 1) * t - s);\n        },\n\n        easeOutBack: function(t) {\n            var s = 1.70158;\n            return (t = t - 1) * t * ((s + 1) * t + s) + 1;\n        },\n\n        easeInOutBack: function(t) {\n            var s = 1.70158;\n            if ((t /= 0.5) < 1) {\n                return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));\n            }\n            return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);\n        },\n\n        easeInBounce: function(t) {\n            return 1 - effects.easeOutBounce(1 - t);\n        },\n\n        easeOutBounce: function(t) {\n            if (t < (1 / 2.75)) {\n                return 7.5625 * t * t;\n            }\n            if (t < (2 / 2.75)) {\n                return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;\n            }\n            if (t < (2.5 / 2.75)) {\n                return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;\n            }\n            return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;\n        },\n\n        easeInOutBounce: function(t) {\n            if (t < 0.5) {\n                return effects.easeInBounce(t * 2) * 0.5;\n            }\n            return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;\n        }\n    };\n\n    module.exports = {\n        effects: effects\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.easing.effects instead.\n     * @function Chart.helpers.easingEffects\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.easingEffects = effects;\n\n},{\"42\":42}],44:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * @alias Chart.helpers.options\n     * @namespace\n     */\n    module.exports = {\n        /**\n         * Converts the given line height `value` in pixels for a specific font `size`.\n         * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').\n         * @param {Number} size - The font size (in pixels) used to resolve relative `value`.\n         * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid).\n         * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height\n         * @since 2.7.0\n         */\n        toLineHeight: function(value, size) {\n            var matches = ('' + value).match(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\n            if (!matches || matches[1] === 'normal') {\n                return size * 1.2;\n            }\n\n            value = +matches[2];\n\n            switch (matches[3]) {\n                case 'px':\n                    return value;\n                case '%':\n                    value /= 100;\n                    break;\n                default:\n                    break;\n            }\n\n            return size * value;\n        },\n\n        /**\n         * Converts the given value into a padding object with pre-computed width/height.\n         * @param {Number|Object} value - If a number, set the value to all TRBL component,\n         *  else, if and object, use defined properties and sets undefined ones to 0.\n         * @returns {Object} The padding values (top, right, bottom, left, width, height)\n         * @since 2.7.0\n         */\n        toPadding: function(value) {\n            var t, r, b, l;\n\n            if (helpers.isObject(value)) {\n                t = +value.top || 0;\n                r = +value.right || 0;\n                b = +value.bottom || 0;\n                l = +value.left || 0;\n            } else {\n                t = r = b = l = +value || 0;\n            }\n\n            return {\n                top: t,\n                right: r,\n                bottom: b,\n                left: l,\n                height: t + b,\n                width: l + r\n            };\n        },\n\n        /**\n         * Evaluates the given `inputs` sequentially and returns the first defined value.\n         * @param {Array[]} inputs - An array of values, falling back to the last value.\n         * @param {Object} [context] - If defined and the current value is a function, the value\n         * is called with `context` as first argument and the result becomes the new input.\n         * @param {Number} [index] - If defined and the current value is an array, the value\n         * at `index` become the new input.\n         * @since 2.7.0\n         */\n        resolve: function(inputs, context, index) {\n            var i, ilen, value;\n\n            for (i = 0, ilen = inputs.length; i < ilen; ++i) {\n                value = inputs[i];\n                if (value === undefined) {\n                    continue;\n                }\n                if (context !== undefined && typeof value === 'function') {\n                    value = value(context);\n                }\n                if (index !== undefined && helpers.isArray(value)) {\n                    value = value[index];\n                }\n                if (value !== undefined) {\n                    return value;\n                }\n            }\n        }\n    };\n\n},{\"42\":42}],45:[function(require,module,exports){\n    'use strict';\n\n    module.exports = require(42);\n    module.exports.easing = require(43);\n    module.exports.canvas = require(41);\n    module.exports.options = require(44);\n\n},{\"41\":41,\"42\":42,\"43\":43,\"44\":44}],46:[function(require,module,exports){\n    /**\n     * Platform fallback implementation (minimal).\n     * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939\n     */\n\n    module.exports = {\n        acquireContext: function(item) {\n            if (item && item.canvas) {\n                // Support for any object associated to a canvas (including a context2d)\n                item = item.canvas;\n            }\n\n            return item && item.getContext('2d') || null;\n        }\n    };\n\n},{}],47:[function(require,module,exports){\n    /**\n     * Chart.Platform implementation for targeting a web browser\n     */\n\n    'use strict';\n\n    var helpers = require(45);\n\n    var EXPANDO_KEY = '$chartjs';\n    var CSS_PREFIX = 'chartjs-';\n    var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';\n    var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';\n    var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];\n\n    /**\n     * DOM event types -> Chart.js event types.\n     * Note: only events with different types are mapped.\n     * @see https://developer.mozilla.org/en-US/docs/Web/Events\n     */\n    var EVENT_TYPES = {\n        touchstart: 'mousedown',\n        touchmove: 'mousemove',\n        touchend: 'mouseup',\n        pointerenter: 'mouseenter',\n        pointerdown: 'mousedown',\n        pointermove: 'mousemove',\n        pointerup: 'mouseup',\n        pointerleave: 'mouseout',\n        pointerout: 'mouseout'\n    };\n\n    /**\n     * The \"used\" size is the final value of a dimension property after all calculations have\n     * been performed. This method uses the computed style of `element` but returns undefined\n     * if the computed style is not expressed in pixels. That can happen in some cases where\n     * `element` has a size relative to its parent and this last one is not yet displayed,\n     * for example because of `display: none` on a parent node.\n     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value\n     * @returns {Number} Size in pixels or undefined if unknown.\n     */\n    function readUsedSize(element, property) {\n        var value = helpers.getStyle(element, property);\n        var matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\n        return matches ? Number(matches[1]) : undefined;\n    }\n\n    /**\n     * Initializes the canvas style and render size without modifying the canvas display size,\n     * since responsiveness is handled by the controller.resize() method. The config is used\n     * to determine the aspect ratio to apply in case no explicit height has been specified.\n     */\n    function initCanvas(canvas, config) {\n        var style = canvas.style;\n\n        // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it\n        // returns null or '' if no explicit value has been set to the canvas attribute.\n        var renderHeight = canvas.getAttribute('height');\n        var renderWidth = canvas.getAttribute('width');\n\n        // Chart.js modifies some canvas values that we want to restore on destroy\n        canvas[EXPANDO_KEY] = {\n            initial: {\n                height: renderHeight,\n                width: renderWidth,\n                style: {\n                    display: style.display,\n                    height: style.height,\n                    width: style.width\n                }\n            }\n        };\n\n        // Force canvas to display as block to avoid extra space caused by inline\n        // elements, which would interfere with the responsive resize process.\n        // https://github.com/chartjs/Chart.js/issues/2538\n        style.display = style.display || 'block';\n\n        if (renderWidth === null || renderWidth === '') {\n            var displayWidth = readUsedSize(canvas, 'width');\n            if (displayWidth !== undefined) {\n                canvas.width = displayWidth;\n            }\n        }\n\n        if (renderHeight === null || renderHeight === '') {\n            if (canvas.style.height === '') {\n                // If no explicit render height and style height, let's apply the aspect ratio,\n                // which one can be specified by the user but also by charts as default option\n                // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.\n                canvas.height = canvas.width / (config.options.aspectRatio || 2);\n            } else {\n                var displayHeight = readUsedSize(canvas, 'height');\n                if (displayWidth !== undefined) {\n                    canvas.height = displayHeight;\n                }\n            }\n        }\n\n        return canvas;\n    }\n\n    /**\n     * Detects support for options object argument in addEventListener.\n     * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support\n     * @private\n     */\n    var supportsEventListenerOptions = (function() {\n        var supports = false;\n        try {\n            var options = Object.defineProperty({}, 'passive', {\n                get: function() {\n                    supports = true;\n                }\n            });\n            window.addEventListener('e', null, options);\n        } catch (e) {\n            // continue regardless of error\n        }\n        return supports;\n    }());\n\n// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.\n// https://github.com/chartjs/Chart.js/issues/4287\n    var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;\n\n    function addEventListener(node, type, listener) {\n        node.addEventListener(type, listener, eventListenerOptions);\n    }\n\n    function removeEventListener(node, type, listener) {\n        node.removeEventListener(type, listener, eventListenerOptions);\n    }\n\n    function createEvent(type, chart, x, y, nativeEvent) {\n        return {\n            type: type,\n            chart: chart,\n            native: nativeEvent || null,\n            x: x !== undefined ? x : null,\n            y: y !== undefined ? y : null,\n        };\n    }\n\n    function fromNativeEvent(event, chart) {\n        var type = EVENT_TYPES[event.type] || event.type;\n        var pos = helpers.getRelativePosition(event, chart);\n        return createEvent(type, chart, pos.x, pos.y, event);\n    }\n\n    function throttled(fn, thisArg) {\n        var ticking = false;\n        var args = [];\n\n        return function() {\n            args = Array.prototype.slice.call(arguments);\n            thisArg = thisArg || this;\n\n            if (!ticking) {\n                ticking = true;\n                helpers.requestAnimFrame.call(window, function() {\n                    ticking = false;\n                    fn.apply(thisArg, args);\n                });\n            }\n        };\n    }\n\n// Implementation based on https://github.com/marcj/css-element-queries\n    function createResizer(handler) {\n        var resizer = document.createElement('div');\n        var cls = CSS_PREFIX + 'size-monitor';\n        var maxSize = 1000000;\n        var style =\n            'position:absolute;' +\n            'left:0;' +\n            'top:0;' +\n            'right:0;' +\n            'bottom:0;' +\n            'overflow:hidden;' +\n            'pointer-events:none;' +\n            'visibility:hidden;' +\n            'z-index:-1;';\n\n        resizer.style.cssText = style;\n        resizer.className = cls;\n        resizer.innerHTML =\n            '<div class=\"' + cls + '-expand\" style=\"' + style + '\">' +\n            '<div style=\"' +\n            'position:absolute;' +\n            'width:' + maxSize + 'px;' +\n            'height:' + maxSize + 'px;' +\n            'left:0;' +\n            'top:0\">' +\n            '</div>' +\n            '</div>' +\n            '<div class=\"' + cls + '-shrink\" style=\"' + style + '\">' +\n            '<div style=\"' +\n            'position:absolute;' +\n            'width:200%;' +\n            'height:200%;' +\n            'left:0; ' +\n            'top:0\">' +\n            '</div>' +\n            '</div>';\n\n        var expand = resizer.childNodes[0];\n        var shrink = resizer.childNodes[1];\n\n        resizer._reset = function() {\n            expand.scrollLeft = maxSize;\n            expand.scrollTop = maxSize;\n            shrink.scrollLeft = maxSize;\n            shrink.scrollTop = maxSize;\n        };\n        var onScroll = function() {\n            resizer._reset();\n            handler();\n        };\n\n        addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand'));\n        addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));\n\n        return resizer;\n    }\n\n// https://davidwalsh.name/detect-node-insertion\n    function watchForRender(node, handler) {\n        var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n        var proxy = expando.renderProxy = function(e) {\n            if (e.animationName === CSS_RENDER_ANIMATION) {\n                handler();\n            }\n        };\n\n        helpers.each(ANIMATION_START_EVENTS, function(type) {\n            addEventListener(node, type, proxy);\n        });\n\n        node.classList.add(CSS_RENDER_MONITOR);\n    }\n\n    function unwatchForRender(node) {\n        var expando = node[EXPANDO_KEY] || {};\n        var proxy = expando.renderProxy;\n\n        if (proxy) {\n            helpers.each(ANIMATION_START_EVENTS, function(type) {\n                removeEventListener(node, type, proxy);\n            });\n\n            delete expando.renderProxy;\n        }\n\n        node.classList.remove(CSS_RENDER_MONITOR);\n    }\n\n    function addResizeListener(node, listener, chart) {\n        var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n\n        // Let's keep track of this added resizer and thus avoid DOM query when removing it.\n        var resizer = expando.resizer = createResizer(throttled(function() {\n            if (expando.resizer) {\n                return listener(createEvent('resize', chart));\n            }\n        }));\n\n        // The resizer needs to be attached to the node parent, so we first need to be\n        // sure that `node` is attached to the DOM before injecting the resizer element.\n        watchForRender(node, function() {\n            if (expando.resizer) {\n                var container = node.parentNode;\n                if (container && container !== resizer.parentNode) {\n                    container.insertBefore(resizer, container.firstChild);\n                }\n\n                // The container size might have changed, let's reset the resizer state.\n                resizer._reset();\n            }\n        });\n    }\n\n    function removeResizeListener(node) {\n        var expando = node[EXPANDO_KEY] || {};\n        var resizer = expando.resizer;\n\n        delete expando.resizer;\n        unwatchForRender(node);\n\n        if (resizer && resizer.parentNode) {\n            resizer.parentNode.removeChild(resizer);\n        }\n    }\n\n    function injectCSS(platform, css) {\n        // http://stackoverflow.com/q/3922139\n        var style = platform._style || document.createElement('style');\n        if (!platform._style) {\n            platform._style = style;\n            css = '/* Chart.js */\\n' + css;\n            style.setAttribute('type', 'text/css');\n            document.getElementsByTagName('head')[0].appendChild(style);\n        }\n\n        style.appendChild(document.createTextNode(css));\n    }\n\n    module.exports = {\n        /**\n         * This property holds whether this platform is enabled for the current environment.\n         * Currently used by platform.js to select the proper implementation.\n         * @private\n         */\n        _enabled: typeof window !== 'undefined' && typeof document !== 'undefined',\n\n        initialize: function() {\n            var keyframes = 'from{opacity:0.99}to{opacity:1}';\n\n            injectCSS(this,\n                // DOM rendering detection\n                // https://davidwalsh.name/detect-node-insertion\n                '@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n                '@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n                '.' + CSS_RENDER_MONITOR + '{' +\n                '-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n                'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n                '}'\n            );\n        },\n\n        acquireContext: function(item, config) {\n            if (typeof item === 'string') {\n                item = document.getElementById(item);\n            } else if (item.length) {\n                // Support for array based queries (such as jQuery)\n                item = item[0];\n            }\n\n            if (item && item.canvas) {\n                // Support for any object associated to a canvas (including a context2d)\n                item = item.canvas;\n            }\n\n            // To prevent canvas fingerprinting, some add-ons undefine the getContext\n            // method, for example: https://github.com/kkapsner/CanvasBlocker\n            // https://github.com/chartjs/Chart.js/issues/2807\n            var context = item && item.getContext && item.getContext('2d');\n\n            // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is\n            // inside an iframe or when running in a protected environment. We could guess the\n            // types from their toString() value but let's keep things flexible and assume it's\n            // a sufficient condition if the item has a context2D which has item as `canvas`.\n            // https://github.com/chartjs/Chart.js/issues/3887\n            // https://github.com/chartjs/Chart.js/issues/4102\n            // https://github.com/chartjs/Chart.js/issues/4152\n            if (context && context.canvas === item) {\n                initCanvas(item, config);\n                return context;\n            }\n\n            return null;\n        },\n\n        releaseContext: function(context) {\n            var canvas = context.canvas;\n            if (!canvas[EXPANDO_KEY]) {\n                return;\n            }\n\n            var initial = canvas[EXPANDO_KEY].initial;\n            ['height', 'width'].forEach(function(prop) {\n                var value = initial[prop];\n                if (helpers.isNullOrUndef(value)) {\n                    canvas.removeAttribute(prop);\n                } else {\n                    canvas.setAttribute(prop, value);\n                }\n            });\n\n            helpers.each(initial.style || {}, function(value, key) {\n                canvas.style[key] = value;\n            });\n\n            // The canvas render size might have been changed (and thus the state stack discarded),\n            // we can't use save() and restore() to restore the initial state. So make sure that at\n            // least the canvas context is reset to the default state by setting the canvas width.\n            // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html\n            canvas.width = canvas.width;\n\n            delete canvas[EXPANDO_KEY];\n        },\n\n        addEventListener: function(chart, type, listener) {\n            var canvas = chart.canvas;\n            if (type === 'resize') {\n                // Note: the resize event is not supported on all browsers.\n                addResizeListener(canvas, listener, chart);\n                return;\n            }\n\n            var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {});\n            var proxies = expando.proxies || (expando.proxies = {});\n            var proxy = proxies[chart.id + '_' + type] = function(event) {\n                listener(fromNativeEvent(event, chart));\n            };\n\n            addEventListener(canvas, type, proxy);\n        },\n\n        removeEventListener: function(chart, type, listener) {\n            var canvas = chart.canvas;\n            if (type === 'resize') {\n                // Note: the resize event is not supported on all browsers.\n                removeResizeListener(canvas, listener);\n                return;\n            }\n\n            var expando = listener[EXPANDO_KEY] || {};\n            var proxies = expando.proxies || {};\n            var proxy = proxies[chart.id + '_' + type];\n            if (!proxy) {\n                return;\n            }\n\n            removeEventListener(canvas, type, proxy);\n        }\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use EventTarget.addEventListener instead.\n     * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n     * @function Chart.helpers.addEvent\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.addEvent = addEventListener;\n\n    /**\n     * Provided for backward compatibility, use EventTarget.removeEventListener instead.\n     * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener\n     * @function Chart.helpers.removeEvent\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.removeEvent = removeEventListener;\n\n},{\"45\":45}],48:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var basic = require(46);\n    var dom = require(47);\n\n// @TODO Make possible to select another platform at build time.\n    var implementation = dom._enabled ? dom : basic;\n\n    /**\n     * @namespace Chart.platform\n     * @see https://chartjs.gitbooks.io/proposals/content/Platform.html\n     * @since 2.4.0\n     */\n    module.exports = helpers.extend({\n        /**\n         * @since 2.7.0\n         */\n        initialize: function() {},\n\n        /**\n         * Called at chart construction time, returns a context2d instance implementing\n         * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}.\n         * @param {*} item - The native item from which to acquire context (platform specific)\n         * @param {Object} options - The chart options\n         * @returns {CanvasRenderingContext2D} context2d instance\n         */\n        acquireContext: function() {},\n\n        /**\n         * Called at chart destruction time, releases any resources associated to the context\n         * previously returned by the acquireContext() method.\n         * @param {CanvasRenderingContext2D} context - The context2d instance\n         * @returns {Boolean} true if the method succeeded, else false\n         */\n        releaseContext: function() {},\n\n        /**\n         * Registers the specified listener on the given chart.\n         * @param {Chart} chart - Chart from which to listen for event\n         * @param {String} type - The ({@link IEvent}) type to listen for\n         * @param {Function} listener - Receives a notification (an object that implements\n         * the {@link IEvent} interface) when an event of the specified type occurs.\n         */\n        addEventListener: function() {},\n\n        /**\n         * Removes the specified listener previously registered with addEventListener.\n         * @param {Chart} chart -Chart from which to remove the listener\n         * @param {String} type - The ({@link IEvent}) type to remove\n         * @param {Function} listener - The listener function to remove from the event target.\n         */\n        removeEventListener: function() {}\n\n    }, implementation);\n\n    /**\n     * @interface IPlatform\n     * Allows abstracting platform dependencies away from the chart\n     * @borrows Chart.platform.acquireContext as acquireContext\n     * @borrows Chart.platform.releaseContext as releaseContext\n     * @borrows Chart.platform.addEventListener as addEventListener\n     * @borrows Chart.platform.removeEventListener as removeEventListener\n     */\n\n    /**\n     * @interface IEvent\n     * @prop {String} type - The event type name, possible values are:\n     * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout',\n     * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize'\n     * @prop {*} native - The original native event (null for emulated events, e.g. 'resize')\n     * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events)\n     * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events)\n     */\n\n},{\"45\":45,\"46\":46,\"47\":47}],49:[function(require,module,exports){\n    /**\n     * Plugin based on discussion from the following Chart.js issues:\n     * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569\n     * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897\n     */\n\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        plugins: {\n            filler: {\n                propagate: true\n            }\n        }\n    });\n\n    module.exports = function() {\n\n        var mappers = {\n            dataset: function(source) {\n                var index = source.fill;\n                var chart = source.chart;\n                var meta = chart.getDatasetMeta(index);\n                var visible = meta && chart.isDatasetVisible(index);\n                var points = (visible && meta.dataset._children) || [];\n                var length = points.length || 0;\n\n                return !length ? null : function(point, i) {\n                    return (i < length && points[i]._view) || null;\n                };\n            },\n\n            boundary: function(source) {\n                var boundary = source.boundary;\n                var x = boundary ? boundary.x : null;\n                var y = boundary ? boundary.y : null;\n\n                return function(point) {\n                    return {\n                        x: x === null ? point.x : x,\n                        y: y === null ? point.y : y,\n                    };\n                };\n            }\n        };\n\n        // @todo if (fill[0] === '#')\n        function decodeFill(el, index, count) {\n            var model = el._model || {};\n            var fill = model.fill;\n            var target;\n\n            if (fill === undefined) {\n                fill = !!model.backgroundColor;\n            }\n\n            if (fill === false || fill === null) {\n                return false;\n            }\n\n            if (fill === true) {\n                return 'origin';\n            }\n\n            target = parseFloat(fill, 10);\n            if (isFinite(target) && Math.floor(target) === target) {\n                if (fill[0] === '-' || fill[0] === '+') {\n                    target = index + target;\n                }\n\n                if (target === index || target < 0 || target >= count) {\n                    return false;\n                }\n\n                return target;\n            }\n\n            switch (fill) {\n                // compatibility\n                case 'bottom':\n                    return 'start';\n                case 'top':\n                    return 'end';\n                case 'zero':\n                    return 'origin';\n                // supported boundaries\n                case 'origin':\n                case 'start':\n                case 'end':\n                    return fill;\n                // invalid fill values\n                default:\n                    return false;\n            }\n        }\n\n        function computeBoundary(source) {\n            var model = source.el._model || {};\n            var scale = source.el._scale || {};\n            var fill = source.fill;\n            var target = null;\n            var horizontal;\n\n            if (isFinite(fill)) {\n                return null;\n            }\n\n            // Backward compatibility: until v3, we still need to support boundary values set on\n            // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and\n            // controllers might still use it (e.g. the Smith chart).\n\n            if (fill === 'start') {\n                target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;\n            } else if (fill === 'end') {\n                target = model.scaleTop === undefined ? scale.top : model.scaleTop;\n            } else if (model.scaleZero !== undefined) {\n                target = model.scaleZero;\n            } else if (scale.getBasePosition) {\n                target = scale.getBasePosition();\n            } else if (scale.getBasePixel) {\n                target = scale.getBasePixel();\n            }\n\n            if (target !== undefined && target !== null) {\n                if (target.x !== undefined && target.y !== undefined) {\n                    return target;\n                }\n\n                if (typeof target === 'number' && isFinite(target)) {\n                    horizontal = scale.isHorizontal();\n                    return {\n                        x: horizontal ? target : null,\n                        y: horizontal ? null : target\n                    };\n                }\n            }\n\n            return null;\n        }\n\n        function resolveTarget(sources, index, propagate) {\n            var source = sources[index];\n            var fill = source.fill;\n            var visited = [index];\n            var target;\n\n            if (!propagate) {\n                return fill;\n            }\n\n            while (fill !== false && visited.indexOf(fill) === -1) {\n                if (!isFinite(fill)) {\n                    return fill;\n                }\n\n                target = sources[fill];\n                if (!target) {\n                    return false;\n                }\n\n                if (target.visible) {\n                    return fill;\n                }\n\n                visited.push(fill);\n                fill = target.fill;\n            }\n\n            return false;\n        }\n\n        function createMapper(source) {\n            var fill = source.fill;\n            var type = 'dataset';\n\n            if (fill === false) {\n                return null;\n            }\n\n            if (!isFinite(fill)) {\n                type = 'boundary';\n            }\n\n            return mappers[type](source);\n        }\n\n        function isDrawable(point) {\n            return point && !point.skip;\n        }\n\n        function drawArea(ctx, curve0, curve1, len0, len1) {\n            var i;\n\n            if (!len0 || !len1) {\n                return;\n            }\n\n            // building first area curve (normal)\n            ctx.moveTo(curve0[0].x, curve0[0].y);\n            for (i = 1; i < len0; ++i) {\n                helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);\n            }\n\n            // joining the two area curves\n            ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);\n\n            // building opposite area curve (reverse)\n            for (i = len1 - 1; i > 0; --i) {\n                helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);\n            }\n        }\n\n        function doFill(ctx, points, mapper, view, color, loop) {\n            var count = points.length;\n            var span = view.spanGaps;\n            var curve0 = [];\n            var curve1 = [];\n            var len0 = 0;\n            var len1 = 0;\n            var i, ilen, index, p0, p1, d0, d1;\n\n            ctx.beginPath();\n\n            for (i = 0, ilen = (count + !!loop); i < ilen; ++i) {\n                index = i % count;\n                p0 = points[index]._view;\n                p1 = mapper(p0, index, view);\n                d0 = isDrawable(p0);\n                d1 = isDrawable(p1);\n\n                if (d0 && d1) {\n                    len0 = curve0.push(p0);\n                    len1 = curve1.push(p1);\n                } else if (len0 && len1) {\n                    if (!span) {\n                        drawArea(ctx, curve0, curve1, len0, len1);\n                        len0 = len1 = 0;\n                        curve0 = [];\n                        curve1 = [];\n                    } else {\n                        if (d0) {\n                            curve0.push(p0);\n                        }\n                        if (d1) {\n                            curve1.push(p1);\n                        }\n                    }\n                }\n            }\n\n            drawArea(ctx, curve0, curve1, len0, len1);\n\n            ctx.closePath();\n            ctx.fillStyle = color;\n            ctx.fill();\n        }\n\n        return {\n            id: 'filler',\n\n            afterDatasetsUpdate: function(chart, options) {\n                var count = (chart.data.datasets || []).length;\n                var propagate = options.propagate;\n                var sources = [];\n                var meta, i, el, source;\n\n                for (i = 0; i < count; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    el = meta.dataset;\n                    source = null;\n\n                    if (el && el._model && el instanceof elements.Line) {\n                        source = {\n                            visible: chart.isDatasetVisible(i),\n                            fill: decodeFill(el, i, count),\n                            chart: chart,\n                            el: el\n                        };\n                    }\n\n                    meta.$filler = source;\n                    sources.push(source);\n                }\n\n                for (i = 0; i < count; ++i) {\n                    source = sources[i];\n                    if (!source) {\n                        continue;\n                    }\n\n                    source.fill = resolveTarget(sources, i, propagate);\n                    source.boundary = computeBoundary(source);\n                    source.mapper = createMapper(source);\n                }\n            },\n\n            beforeDatasetDraw: function(chart, args) {\n                var meta = args.meta.$filler;\n                if (!meta) {\n                    return;\n                }\n\n                var ctx = chart.ctx;\n                var el = meta.el;\n                var view = el._view;\n                var points = el._children || [];\n                var mapper = meta.mapper;\n                var color = view.backgroundColor || defaults.global.defaultColor;\n\n                if (mapper && color && points.length) {\n                    helpers.canvas.clipArea(ctx, chart.chartArea);\n                    doFill(ctx, points, mapper, view, color, el._loop);\n                    helpers.canvas.unclipArea(ctx);\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],50:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        legend: {\n            display: true,\n            position: 'top',\n            fullWidth: true,\n            reverse: false,\n            weight: 1000,\n\n            // a callback that will handle\n            onClick: function(e, legendItem) {\n                var index = legendItem.datasetIndex;\n                var ci = this.chart;\n                var meta = ci.getDatasetMeta(index);\n\n                // See controller.isDatasetVisible comment\n                meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;\n\n                // We hid a dataset ... rerender the chart\n                ci.update();\n            },\n\n            onHover: null,\n\n            labels: {\n                boxWidth: 40,\n                padding: 10,\n                // Generates labels shown in the legend\n                // Valid properties to return:\n                // text : text to display\n                // fillStyle : fill of coloured box\n                // strokeStyle: stroke of coloured box\n                // hidden : if this legend item refers to a hidden item\n                // lineCap : cap style for line\n                // lineDash\n                // lineDashOffset :\n                // lineJoin :\n                // lineWidth :\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) {\n                        return {\n                            text: dataset.label,\n                            fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]),\n                            hidden: !chart.isDatasetVisible(i),\n                            lineCap: dataset.borderCapStyle,\n                            lineDash: dataset.borderDash,\n                            lineDashOffset: dataset.borderDashOffset,\n                            lineJoin: dataset.borderJoinStyle,\n                            lineWidth: dataset.borderWidth,\n                            strokeStyle: dataset.borderColor,\n                            pointStyle: dataset.pointStyle,\n\n                            // Below is extra data used for toggling the datasets\n                            datasetIndex: i\n                        };\n                    }, this) : [];\n                }\n            }\n        },\n\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n            for (var i = 0; i < chart.data.datasets.length; i++) {\n                text.push('<li><span style=\"background-color:' + chart.data.datasets[i].backgroundColor + '\"></span>');\n                if (chart.data.datasets[i].label) {\n                    text.push(chart.data.datasets[i].label);\n                }\n                text.push('</li>');\n            }\n            text.push('</ul>');\n            return text.join('');\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        var layout = Chart.layoutService;\n        var noop = helpers.noop;\n\n        /**\n         * Helper function to get the box width based on the usePointStyle option\n         * @param labelopts {Object} the label options on the legend\n         * @param fontSize {Number} the label font size\n         * @return {Number} width of the color box area\n         */\n        function getBoxWidth(labelOpts, fontSize) {\n            return labelOpts.usePointStyle ?\n                fontSize * Math.SQRT2 :\n                labelOpts.boxWidth;\n        }\n\n        Chart.Legend = Element.extend({\n\n            initialize: function(config) {\n                helpers.extend(this, config);\n\n                // Contains hit boxes for each dataset (in dataset order)\n                this.legendHitBoxes = [];\n\n                // Are we in doughnut mode which has a different data type\n                this.doughnutMode = false;\n            },\n\n            // These methods are ordered by lifecycle. Utilities then follow.\n            // Any function defined here is inherited by all legend types.\n            // Any function can be extended by the legend type\n\n            beforeUpdate: noop,\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = margins;\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n                // Labels\n                me.beforeBuildLabels();\n                me.buildLabels();\n                me.afterBuildLabels();\n\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n            },\n            afterUpdate: noop,\n\n            //\n\n            beforeSetDimensions: noop,\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n\n                // Reset minSize\n                me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n            },\n            afterSetDimensions: noop,\n\n            //\n\n            beforeBuildLabels: noop,\n            buildLabels: function() {\n                var me = this;\n                var labelOpts = me.options.labels || {};\n                var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || [];\n\n                if (labelOpts.filter) {\n                    legendItems = legendItems.filter(function(item) {\n                        return labelOpts.filter(item, me.chart.data);\n                    });\n                }\n\n                if (me.options.reverse) {\n                    legendItems.reverse();\n                }\n\n                me.legendItems = legendItems;\n            },\n            afterBuildLabels: noop,\n\n            //\n\n            beforeFit: noop,\n            fit: function() {\n                var me = this;\n                var opts = me.options;\n                var labelOpts = opts.labels;\n                var display = opts.display;\n\n                var ctx = me.ctx;\n\n                var globalDefault = defaults.global;\n                var valueOrDefault = helpers.valueOrDefault;\n                var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n                var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n                var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n                var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n                // Reset hit boxes\n                var hitboxes = me.legendHitBoxes = [];\n\n                var minSize = me.minSize;\n                var isHorizontal = me.isHorizontal();\n\n                if (isHorizontal) {\n                    minSize.width = me.maxWidth; // fill all the width\n                    minSize.height = display ? 10 : 0;\n                } else {\n                    minSize.width = display ? 10 : 0;\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                // Increase sizes here\n                if (display) {\n                    ctx.font = labelFont;\n\n                    if (isHorizontal) {\n                        // Labels\n\n                        // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one\n                        var lineWidths = me.lineWidths = [0];\n                        var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0;\n\n                        ctx.textAlign = 'left';\n                        ctx.textBaseline = 'top';\n\n                        helpers.each(me.legendItems, function(legendItem, i) {\n                            var boxWidth = getBoxWidth(labelOpts, fontSize);\n                            var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n                            if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) {\n                                totalHeight += fontSize + (labelOpts.padding);\n                                lineWidths[lineWidths.length] = me.left;\n                            }\n\n                            // Store the hitbox width and height here. Final position will be updated in `draw`\n                            hitboxes[i] = {\n                                left: 0,\n                                top: 0,\n                                width: width,\n                                height: fontSize\n                            };\n\n                            lineWidths[lineWidths.length - 1] += width + labelOpts.padding;\n                        });\n\n                        minSize.height += totalHeight;\n\n                    } else {\n                        var vPadding = labelOpts.padding;\n                        var columnWidths = me.columnWidths = [];\n                        var totalWidth = labelOpts.padding;\n                        var currentColWidth = 0;\n                        var currentColHeight = 0;\n                        var itemHeight = fontSize + vPadding;\n\n                        helpers.each(me.legendItems, function(legendItem, i) {\n                            var boxWidth = getBoxWidth(labelOpts, fontSize);\n                            var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n                            // If too tall, go to new column\n                            if (currentColHeight + itemHeight > minSize.height) {\n                                totalWidth += currentColWidth + labelOpts.padding;\n                                columnWidths.push(currentColWidth); // previous column width\n\n                                currentColWidth = 0;\n                                currentColHeight = 0;\n                            }\n\n                            // Get max width\n                            currentColWidth = Math.max(currentColWidth, itemWidth);\n                            currentColHeight += itemHeight;\n\n                            // Store the hitbox width and height here. Final position will be updated in `draw`\n                            hitboxes[i] = {\n                                left: 0,\n                                top: 0,\n                                width: itemWidth,\n                                height: fontSize\n                            };\n                        });\n\n                        totalWidth += currentColWidth;\n                        columnWidths.push(currentColWidth);\n                        minSize.width += totalWidth;\n                    }\n                }\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n            },\n            afterFit: noop,\n\n            // Shared Methods\n            isHorizontal: function() {\n                return this.options.position === 'top' || this.options.position === 'bottom';\n            },\n\n            // Actually draw the legend on the canvas\n            draw: function() {\n                var me = this;\n                var opts = me.options;\n                var labelOpts = opts.labels;\n                var globalDefault = defaults.global;\n                var lineDefault = globalDefault.elements.line;\n                var legendWidth = me.width;\n                var lineWidths = me.lineWidths;\n\n                if (opts.display) {\n                    var ctx = me.ctx;\n                    var valueOrDefault = helpers.valueOrDefault;\n                    var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor);\n                    var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n                    var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n                    var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n                    var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n                    var cursor;\n\n                    // Canvas setup\n                    ctx.textAlign = 'left';\n                    ctx.textBaseline = 'middle';\n                    ctx.lineWidth = 0.5;\n                    ctx.strokeStyle = fontColor; // for strikethrough effect\n                    ctx.fillStyle = fontColor; // render in correct colour\n                    ctx.font = labelFont;\n\n                    var boxWidth = getBoxWidth(labelOpts, fontSize);\n                    var hitboxes = me.legendHitBoxes;\n\n                    // current position\n                    var drawLegendBox = function(x, y, legendItem) {\n                        if (isNaN(boxWidth) || boxWidth <= 0) {\n                            return;\n                        }\n\n                        // Set the ctx for the box\n                        ctx.save();\n\n                        ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor);\n                        ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle);\n                        ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset);\n                        ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle);\n                        ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth);\n                        ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor);\n                        var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0);\n\n                        if (ctx.setLineDash) {\n                            // IE 9 and 10 do not support line dash\n                            ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash));\n                        }\n\n                        if (opts.labels && opts.labels.usePointStyle) {\n                            // Recalculate x and y for drawPoint() because its expecting\n                            // x and y to be center of figure (instead of top left)\n                            var radius = fontSize * Math.SQRT2 / 2;\n                            var offSet = radius / Math.SQRT2;\n                            var centerX = x + offSet;\n                            var centerY = y + offSet;\n\n                            // Draw pointStyle as legend symbol\n                            helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY);\n                        } else {\n                            // Draw box as legend symbol\n                            if (!isLineWidthZero) {\n                                ctx.strokeRect(x, y, boxWidth, fontSize);\n                            }\n                            ctx.fillRect(x, y, boxWidth, fontSize);\n                        }\n\n                        ctx.restore();\n                    };\n                    var fillText = function(x, y, legendItem, textWidth) {\n                        var halfFontSize = fontSize / 2;\n                        var xLeft = boxWidth + halfFontSize + x;\n                        var yMiddle = y + halfFontSize;\n\n                        ctx.fillText(legendItem.text, xLeft, yMiddle);\n\n                        if (legendItem.hidden) {\n                            // Strikethrough the text if hidden\n                            ctx.beginPath();\n                            ctx.lineWidth = 2;\n                            ctx.moveTo(xLeft, yMiddle);\n                            ctx.lineTo(xLeft + textWidth, yMiddle);\n                            ctx.stroke();\n                        }\n                    };\n\n                    // Horizontal\n                    var isHorizontal = me.isHorizontal();\n                    if (isHorizontal) {\n                        cursor = {\n                            x: me.left + ((legendWidth - lineWidths[0]) / 2),\n                            y: me.top + labelOpts.padding,\n                            line: 0\n                        };\n                    } else {\n                        cursor = {\n                            x: me.left + labelOpts.padding,\n                            y: me.top + labelOpts.padding,\n                            line: 0\n                        };\n                    }\n\n                    var itemHeight = fontSize + labelOpts.padding;\n                    helpers.each(me.legendItems, function(legendItem, i) {\n                        var textWidth = ctx.measureText(legendItem.text).width;\n                        var width = boxWidth + (fontSize / 2) + textWidth;\n                        var x = cursor.x;\n                        var y = cursor.y;\n\n                        if (isHorizontal) {\n                            if (x + width >= legendWidth) {\n                                y = cursor.y += itemHeight;\n                                cursor.line++;\n                                x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2);\n                            }\n                        } else if (y + itemHeight > me.bottom) {\n                            x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;\n                            y = cursor.y = me.top + labelOpts.padding;\n                            cursor.line++;\n                        }\n\n                        drawLegendBox(x, y, legendItem);\n\n                        hitboxes[i].left = x;\n                        hitboxes[i].top = y;\n\n                        // Fill the actual label\n                        fillText(x, y, legendItem, textWidth);\n\n                        if (isHorizontal) {\n                            cursor.x += width + (labelOpts.padding);\n                        } else {\n                            cursor.y += itemHeight;\n                        }\n\n                    });\n                }\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event - The event to handle\n             * @return {Boolean} true if a change occured\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var opts = me.options;\n                var type = e.type === 'mouseup' ? 'click' : e.type;\n                var changed = false;\n\n                if (type === 'mousemove') {\n                    if (!opts.onHover) {\n                        return;\n                    }\n                } else if (type === 'click') {\n                    if (!opts.onClick) {\n                        return;\n                    }\n                } else {\n                    return;\n                }\n\n                // Chart event already has relative position in it\n                var x = e.x;\n                var y = e.y;\n\n                if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {\n                    // See if we are touching one of the dataset boxes\n                    var lh = me.legendHitBoxes;\n                    for (var i = 0; i < lh.length; ++i) {\n                        var hitBox = lh[i];\n\n                        if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {\n                            // Touching an element\n                            if (type === 'click') {\n                                // use e.native for backwards compatibility\n                                opts.onClick.call(me, e.native, me.legendItems[i]);\n                                changed = true;\n                                break;\n                            } else if (type === 'mousemove') {\n                                // use e.native for backwards compatibility\n                                opts.onHover.call(me, e.native, me.legendItems[i]);\n                                changed = true;\n                                break;\n                            }\n                        }\n                    }\n                }\n\n                return changed;\n            }\n        });\n\n        function createNewLegendAndAttach(chart, legendOpts) {\n            var legend = new Chart.Legend({\n                ctx: chart.ctx,\n                options: legendOpts,\n                chart: chart\n            });\n\n            layout.configure(chart, legend, legendOpts);\n            layout.addBox(chart, legend);\n            chart.legend = legend;\n        }\n\n        return {\n            id: 'legend',\n\n            beforeInit: function(chart) {\n                var legendOpts = chart.options.legend;\n\n                if (legendOpts) {\n                    createNewLegendAndAttach(chart, legendOpts);\n                }\n            },\n\n            beforeUpdate: function(chart) {\n                var legendOpts = chart.options.legend;\n                var legend = chart.legend;\n\n                if (legendOpts) {\n                    helpers.mergeIf(legendOpts, defaults.global.legend);\n\n                    if (legend) {\n                        layout.configure(chart, legend, legendOpts);\n                        legend.options = legendOpts;\n                    } else {\n                        createNewLegendAndAttach(chart, legendOpts);\n                    }\n                } else if (legend) {\n                    layout.removeBox(chart, legend);\n                    delete chart.legend;\n                }\n            },\n\n            afterEvent: function(chart, e) {\n                var legend = chart.legend;\n                if (legend) {\n                    legend.handleEvent(e);\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],51:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        title: {\n            display: false,\n            fontStyle: 'bold',\n            fullWidth: true,\n            lineHeight: 1.2,\n            padding: 10,\n            position: 'top',\n            text: '',\n            weight: 2000         // by default greater than legend (1000) to be above\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        var layout = Chart.layoutService;\n        var noop = helpers.noop;\n\n        Chart.Title = Element.extend({\n            initialize: function(config) {\n                var me = this;\n                helpers.extend(me, config);\n\n                // Contains hit boxes for each dataset (in dataset order)\n                me.legendHitBoxes = [];\n            },\n\n            // These methods are ordered by lifecycle. Utilities then follow.\n\n            beforeUpdate: noop,\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = margins;\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n                // Labels\n                me.beforeBuildLabels();\n                me.buildLabels();\n                me.afterBuildLabels();\n\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n\n            },\n            afterUpdate: noop,\n\n            //\n\n            beforeSetDimensions: noop,\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n\n                // Reset minSize\n                me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n            },\n            afterSetDimensions: noop,\n\n            //\n\n            beforeBuildLabels: noop,\n            buildLabels: noop,\n            afterBuildLabels: noop,\n\n            //\n\n            beforeFit: noop,\n            fit: function() {\n                var me = this;\n                var valueOrDefault = helpers.valueOrDefault;\n                var opts = me.options;\n                var display = opts.display;\n                var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize);\n                var minSize = me.minSize;\n                var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1;\n                var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n                var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0;\n\n                if (me.isHorizontal()) {\n                    minSize.width = me.maxWidth; // fill all the width\n                    minSize.height = textSize;\n                } else {\n                    minSize.width = textSize;\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n\n            },\n            afterFit: noop,\n\n            // Shared Methods\n            isHorizontal: function() {\n                var pos = this.options.position;\n                return pos === 'top' || pos === 'bottom';\n            },\n\n            // Actually draw the title block on the canvas\n            draw: function() {\n                var me = this;\n                var ctx = me.ctx;\n                var valueOrDefault = helpers.valueOrDefault;\n                var opts = me.options;\n                var globalDefaults = defaults.global;\n\n                if (opts.display) {\n                    var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize);\n                    var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle);\n                    var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily);\n                    var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n                    var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n                    var offset = lineHeight / 2 + opts.padding;\n                    var rotation = 0;\n                    var top = me.top;\n                    var left = me.left;\n                    var bottom = me.bottom;\n                    var right = me.right;\n                    var maxWidth, titleX, titleY;\n\n                    ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour\n                    ctx.font = titleFont;\n\n                    // Horizontal\n                    if (me.isHorizontal()) {\n                        titleX = left + ((right - left) / 2); // midpoint of the width\n                        titleY = top + offset;\n                        maxWidth = right - left;\n                    } else {\n                        titleX = opts.position === 'left' ? left + offset : right - offset;\n                        titleY = top + ((bottom - top) / 2);\n                        maxWidth = bottom - top;\n                        rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);\n                    }\n\n                    ctx.save();\n                    ctx.translate(titleX, titleY);\n                    ctx.rotate(rotation);\n                    ctx.textAlign = 'center';\n                    ctx.textBaseline = 'middle';\n\n                    var text = opts.text;\n                    if (helpers.isArray(text)) {\n                        var y = 0;\n                        for (var i = 0; i < text.length; ++i) {\n                            ctx.fillText(text[i], 0, y, maxWidth);\n                            y += lineHeight;\n                        }\n                    } else {\n                        ctx.fillText(text, 0, 0, maxWidth);\n                    }\n\n                    ctx.restore();\n                }\n            }\n        });\n\n        function createNewTitleBlockAndAttach(chart, titleOpts) {\n            var title = new Chart.Title({\n                ctx: chart.ctx,\n                options: titleOpts,\n                chart: chart\n            });\n\n            layout.configure(chart, title, titleOpts);\n            layout.addBox(chart, title);\n            chart.titleBlock = title;\n        }\n\n        return {\n            id: 'title',\n\n            beforeInit: function(chart) {\n                var titleOpts = chart.options.title;\n\n                if (titleOpts) {\n                    createNewTitleBlockAndAttach(chart, titleOpts);\n                }\n            },\n\n            beforeUpdate: function(chart) {\n                var titleOpts = chart.options.title;\n                var titleBlock = chart.titleBlock;\n\n                if (titleOpts) {\n                    helpers.mergeIf(titleOpts, defaults.global.title);\n\n                    if (titleBlock) {\n                        layout.configure(chart, titleBlock, titleOpts);\n                        titleBlock.options = titleOpts;\n                    } else {\n                        createNewTitleBlockAndAttach(chart, titleOpts);\n                    }\n                } else if (titleBlock) {\n                    Chart.layoutService.removeBox(chart, titleBlock);\n                    delete chart.titleBlock;\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],52:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        // Default config for a category scale\n        var defaultConfig = {\n            position: 'bottom'\n        };\n\n        var DatasetScale = Chart.Scale.extend({\n            /**\n             * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those\n             * else fall back to data.labels\n             * @private\n             */\n            getLabels: function() {\n                var data = this.chart.data;\n                return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels;\n            },\n\n            determineDataLimits: function() {\n                var me = this;\n                var labels = me.getLabels();\n                me.minIndex = 0;\n                me.maxIndex = labels.length - 1;\n                var findIndex;\n\n                if (me.options.ticks.min !== undefined) {\n                    // user specified min value\n                    findIndex = labels.indexOf(me.options.ticks.min);\n                    me.minIndex = findIndex !== -1 ? findIndex : me.minIndex;\n                }\n\n                if (me.options.ticks.max !== undefined) {\n                    // user specified max value\n                    findIndex = labels.indexOf(me.options.ticks.max);\n                    me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex;\n                }\n\n                me.min = labels[me.minIndex];\n                me.max = labels[me.maxIndex];\n            },\n\n            buildTicks: function() {\n                var me = this;\n                var labels = me.getLabels();\n                // If we are viewing some subset of labels, slice the original array\n                me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1);\n            },\n\n            getLabelForIndex: function(index, datasetIndex) {\n                var me = this;\n                var data = me.chart.data;\n                var isHorizontal = me.isHorizontal();\n\n                if (data.yLabels && !isHorizontal) {\n                    return me.getRightValue(data.datasets[datasetIndex].data[index]);\n                }\n                return me.ticks[index - me.minIndex];\n            },\n\n            // Used to get data value locations.  Value can either be an index or a numerical value\n            getPixelForValue: function(value, index) {\n                var me = this;\n                var offset = me.options.offset;\n                // 1 is added because we need the length but we have the indexes\n                var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1);\n\n                // If value is a data object, then index is the index in the data array,\n                // not the index of the scale. We need to change that.\n                var valueCategory;\n                if (value !== undefined && value !== null) {\n                    valueCategory = me.isHorizontal() ? value.x : value.y;\n                }\n                if (valueCategory !== undefined || (value !== undefined && isNaN(index))) {\n                    var labels = me.getLabels();\n                    value = valueCategory || value;\n                    var idx = labels.indexOf(value);\n                    index = idx !== -1 ? idx : index;\n                }\n\n                if (me.isHorizontal()) {\n                    var valueWidth = me.width / offsetAmt;\n                    var widthOffset = (valueWidth * (index - me.minIndex));\n\n                    if (offset) {\n                        widthOffset += (valueWidth / 2);\n                    }\n\n                    return me.left + Math.round(widthOffset);\n                }\n                var valueHeight = me.height / offsetAmt;\n                var heightOffset = (valueHeight * (index - me.minIndex));\n\n                if (offset) {\n                    heightOffset += (valueHeight / 2);\n                }\n\n                return me.top + Math.round(heightOffset);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.ticks[index], index + this.minIndex, null);\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var offset = me.options.offset;\n                var value;\n                var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n                var horz = me.isHorizontal();\n                var valueDimension = (horz ? me.width : me.height) / offsetAmt;\n\n                pixel -= horz ? me.left : me.top;\n\n                if (offset) {\n                    pixel -= (valueDimension / 2);\n                }\n\n                if (pixel <= 0) {\n                    value = 0;\n                } else {\n                    value = Math.round(pixel / valueDimension);\n                }\n\n                return value + me.minIndex;\n            },\n            getBasePixel: function() {\n                return this.bottom;\n            }\n        });\n\n        Chart.scaleService.registerScaleType('category', DatasetScale, defaultConfig);\n\n    };\n\n},{}],53:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'left',\n            ticks: {\n                callback: Ticks.formatters.linear\n            }\n        };\n\n        var LinearScale = Chart.LinearScaleBase.extend({\n\n            determineDataLimits: function() {\n                var me = this;\n                var opts = me.options;\n                var chart = me.chart;\n                var data = chart.data;\n                var datasets = data.datasets;\n                var isHorizontal = me.isHorizontal();\n                var DEFAULT_MIN = 0;\n                var DEFAULT_MAX = 1;\n\n                function IDMatches(meta) {\n                    return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n                }\n\n                // First Calculate the range\n                me.min = null;\n                me.max = null;\n\n                var hasStacks = opts.stacked;\n                if (hasStacks === undefined) {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        if (hasStacks) {\n                            return;\n                        }\n\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n                            meta.stack !== undefined) {\n                            hasStacks = true;\n                        }\n                    });\n                }\n\n                if (opts.stacked || hasStacks) {\n                    var valuesPerStack = {};\n\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        var key = [\n                            meta.type,\n                            // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n                            ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n                            meta.stack\n                        ].join('.');\n\n                        if (valuesPerStack[key] === undefined) {\n                            valuesPerStack[key] = {\n                                positiveValues: [],\n                                negativeValues: []\n                            };\n                        }\n\n                        // Store these per type\n                        var positiveValues = valuesPerStack[key].positiveValues;\n                        var negativeValues = valuesPerStack[key].negativeValues;\n\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                positiveValues[index] = positiveValues[index] || 0;\n                                negativeValues[index] = negativeValues[index] || 0;\n\n                                if (opts.relativePoints) {\n                                    positiveValues[index] = 100;\n                                } else if (value < 0) {\n                                    negativeValues[index] += value;\n                                } else {\n                                    positiveValues[index] += value;\n                                }\n                            });\n                        }\n                    });\n\n                    helpers.each(valuesPerStack, function(valuesForType) {\n                        var values = valuesForType.positiveValues.concat(valuesForType.negativeValues);\n                        var minVal = helpers.min(values);\n                        var maxVal = helpers.max(values);\n                        me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n                        me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n                    });\n\n                } else {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                if (me.min === null) {\n                                    me.min = value;\n                                } else if (value < me.min) {\n                                    me.min = value;\n                                }\n\n                                if (me.max === null) {\n                                    me.max = value;\n                                } else if (value > me.max) {\n                                    me.max = value;\n                                }\n                            });\n                        }\n                    });\n                }\n\n                me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;\n                me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;\n\n                // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n                this.handleTickRangeOptions();\n            },\n            getTickLimit: function() {\n                var maxTicks;\n                var me = this;\n                var tickOpts = me.options.ticks;\n\n                if (me.isHorizontal()) {\n                    maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50));\n                } else {\n                    // The factor of 2 used to scale the font size has been experimentally determined.\n                    var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize);\n                    maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize)));\n                }\n\n                return maxTicks;\n            },\n            // Called after the ticks are built. We need\n            handleDirectionalChanges: function() {\n                if (!this.isHorizontal()) {\n                    // We are in a vertical orientation. The top value is the highest. So reverse the array\n                    this.ticks.reverse();\n                }\n            },\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            // Utils\n            getPixelForValue: function(value) {\n                // This must be called after fit has been run so that\n                // this.left, this.top, this.right, and this.bottom have been defined\n                var me = this;\n                var start = me.start;\n\n                var rightValue = +me.getRightValue(value);\n                var pixel;\n                var range = me.end - start;\n\n                if (me.isHorizontal()) {\n                    pixel = me.left + (me.width / range * (rightValue - start));\n                    return Math.round(pixel);\n                }\n\n                pixel = me.bottom - (me.height / range * (rightValue - start));\n                return Math.round(pixel);\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var isHorizontal = me.isHorizontal();\n                var innerDimension = isHorizontal ? me.width : me.height;\n                var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension;\n                return me.start + ((me.end - me.start) * offset);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.ticksAsNumbers[index]);\n            }\n        });\n        Chart.scaleService.registerScaleType('linear', LinearScale, defaultConfig);\n\n    };\n\n},{\"25\":25,\"34\":34,\"45\":45}],54:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var noop = helpers.noop;\n\n        Chart.LinearScaleBase = Chart.Scale.extend({\n            getRightValue: function(value) {\n                if (typeof value === 'string') {\n                    return +value;\n                }\n                return Chart.Scale.prototype.getRightValue.call(this, value);\n            },\n\n            handleTickRangeOptions: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                // If we are forcing it to begin at 0, but 0 will already be rendered on the chart,\n                // do nothing since that would make the chart weird. If the user really wants a weird chart\n                // axis, they can manually override it\n                if (tickOpts.beginAtZero) {\n                    var minSign = helpers.sign(me.min);\n                    var maxSign = helpers.sign(me.max);\n\n                    if (minSign < 0 && maxSign < 0) {\n                        // move the top up to 0\n                        me.max = 0;\n                    } else if (minSign > 0 && maxSign > 0) {\n                        // move the bottom down to 0\n                        me.min = 0;\n                    }\n                }\n\n                var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;\n                var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;\n\n                if (tickOpts.min !== undefined) {\n                    me.min = tickOpts.min;\n                } else if (tickOpts.suggestedMin !== undefined) {\n                    if (me.min === null) {\n                        me.min = tickOpts.suggestedMin;\n                    } else {\n                        me.min = Math.min(me.min, tickOpts.suggestedMin);\n                    }\n                }\n\n                if (tickOpts.max !== undefined) {\n                    me.max = tickOpts.max;\n                } else if (tickOpts.suggestedMax !== undefined) {\n                    if (me.max === null) {\n                        me.max = tickOpts.suggestedMax;\n                    } else {\n                        me.max = Math.max(me.max, tickOpts.suggestedMax);\n                    }\n                }\n\n                if (setMin !== setMax) {\n                    // We set the min or the max but not both.\n                    // So ensure that our range is good\n                    // Inverted or 0 length range can happen when\n                    // ticks.min is set, and no datasets are visible\n                    if (me.min >= me.max) {\n                        if (setMin) {\n                            me.max = me.min + 1;\n                        } else {\n                            me.min = me.max - 1;\n                        }\n                    }\n                }\n\n                if (me.min === me.max) {\n                    me.max++;\n\n                    if (!tickOpts.beginAtZero) {\n                        me.min--;\n                    }\n                }\n            },\n            getTickLimit: noop,\n            handleDirectionalChanges: noop,\n\n            buildTicks: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                // Figure out what the max number of ticks we can support it is based on the size of\n                // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n                // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n                // the graph. Make sure we always have at least 2 ticks\n                var maxTicks = me.getTickLimit();\n                maxTicks = Math.max(2, maxTicks);\n\n                var numericGeneratorOptions = {\n                    maxTicks: maxTicks,\n                    min: tickOpts.min,\n                    max: tickOpts.max,\n                    stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)\n                };\n                var ticks = me.ticks = Ticks.generators.linear(numericGeneratorOptions, me);\n\n                me.handleDirectionalChanges();\n\n                // At this point, we need to update our max and min given the tick values since we have expanded the\n                // range of the scale\n                me.max = helpers.max(ticks);\n                me.min = helpers.min(ticks);\n\n                if (tickOpts.reverse) {\n                    ticks.reverse();\n\n                    me.start = me.max;\n                    me.end = me.min;\n                } else {\n                    me.start = me.min;\n                    me.end = me.max;\n                }\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n                me.ticksAsNumbers = me.ticks.slice();\n                me.zeroLineIndex = me.ticks.indexOf(0);\n\n                Chart.Scale.prototype.convertTicksToLabels.call(me);\n            }\n        });\n    };\n\n},{\"34\":34,\"45\":45}],55:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'left',\n\n            // label settings\n            ticks: {\n                callback: Ticks.formatters.logarithmic\n            }\n        };\n\n        var LogarithmicScale = Chart.Scale.extend({\n            determineDataLimits: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var chart = me.chart;\n                var data = chart.data;\n                var datasets = data.datasets;\n                var valueOrDefault = helpers.valueOrDefault;\n                var isHorizontal = me.isHorizontal();\n                function IDMatches(meta) {\n                    return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n                }\n\n                // Calculate Range\n                me.min = null;\n                me.max = null;\n                me.minNotZero = null;\n\n                var hasStacks = opts.stacked;\n                if (hasStacks === undefined) {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        if (hasStacks) {\n                            return;\n                        }\n\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n                            meta.stack !== undefined) {\n                            hasStacks = true;\n                        }\n                    });\n                }\n\n                if (opts.stacked || hasStacks) {\n                    var valuesPerStack = {};\n\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        var key = [\n                            meta.type,\n                            // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n                            ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n                            meta.stack\n                        ].join('.');\n\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            if (valuesPerStack[key] === undefined) {\n                                valuesPerStack[key] = [];\n                            }\n\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var values = valuesPerStack[key];\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                values[index] = values[index] || 0;\n\n                                if (opts.relativePoints) {\n                                    values[index] = 100;\n                                } else {\n                                    // Don't need to split positive and negative since the log scale can't handle a 0 crossing\n                                    values[index] += value;\n                                }\n                            });\n                        }\n                    });\n\n                    helpers.each(valuesPerStack, function(valuesForType) {\n                        var minVal = helpers.min(valuesForType);\n                        var maxVal = helpers.max(valuesForType);\n                        me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n                        me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n                    });\n\n                } else {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                if (me.min === null) {\n                                    me.min = value;\n                                } else if (value < me.min) {\n                                    me.min = value;\n                                }\n\n                                if (me.max === null) {\n                                    me.max = value;\n                                } else if (value > me.max) {\n                                    me.max = value;\n                                }\n\n                                if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) {\n                                    me.minNotZero = value;\n                                }\n                            });\n                        }\n                    });\n                }\n\n                me.min = valueOrDefault(tickOpts.min, me.min);\n                me.max = valueOrDefault(tickOpts.max, me.max);\n\n                if (me.min === me.max) {\n                    if (me.min !== 0 && me.min !== null) {\n                        me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1);\n                        me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1);\n                    } else {\n                        me.min = 1;\n                        me.max = 10;\n                    }\n                }\n            },\n            buildTicks: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                var generationOptions = {\n                    min: tickOpts.min,\n                    max: tickOpts.max\n                };\n                var ticks = me.ticks = Ticks.generators.logarithmic(generationOptions, me);\n\n                if (!me.isHorizontal()) {\n                    // We are in a vertical orientation. The top value is the highest. So reverse the array\n                    ticks.reverse();\n                }\n\n                // At this point, we need to update our max and min given the tick values since we have expanded the\n                // range of the scale\n                me.max = helpers.max(ticks);\n                me.min = helpers.min(ticks);\n\n                if (tickOpts.reverse) {\n                    ticks.reverse();\n\n                    me.start = me.max;\n                    me.end = me.min;\n                } else {\n                    me.start = me.min;\n                    me.end = me.max;\n                }\n            },\n            convertTicksToLabels: function() {\n                this.tickValues = this.ticks.slice();\n\n                Chart.Scale.prototype.convertTicksToLabels.call(this);\n            },\n            // Get the correct tooltip label\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.tickValues[index]);\n            },\n            getPixelForValue: function(value) {\n                var me = this;\n                var start = me.start;\n                var newVal = +me.getRightValue(value);\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var innerDimension, pixel, range;\n\n                if (me.isHorizontal()) {\n                    range = helpers.log10(me.end) - helpers.log10(start); // todo: if start === 0\n                    if (newVal === 0) {\n                        pixel = me.left;\n                    } else {\n                        innerDimension = me.width;\n                        pixel = me.left + (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n                    }\n                } else {\n                    // Bottom - top since pixels increase downward on a screen\n                    innerDimension = me.height;\n                    if (start === 0 && !tickOpts.reverse) {\n                        range = helpers.log10(me.end) - helpers.log10(me.minNotZero);\n                        if (newVal === start) {\n                            pixel = me.bottom;\n                        } else if (newVal === me.minNotZero) {\n                            pixel = me.bottom - innerDimension * 0.02;\n                        } else {\n                            pixel = me.bottom - innerDimension * 0.02 - (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n                        }\n                    } else if (me.end === 0 && tickOpts.reverse) {\n                        range = helpers.log10(me.start) - helpers.log10(me.minNotZero);\n                        if (newVal === me.end) {\n                            pixel = me.top;\n                        } else if (newVal === me.minNotZero) {\n                            pixel = me.top + innerDimension * 0.02;\n                        } else {\n                            pixel = me.top + innerDimension * 0.02 + (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n                        }\n                    } else if (newVal === 0) {\n                        pixel = tickOpts.reverse ? me.top : me.bottom;\n                    } else {\n                        range = helpers.log10(me.end) - helpers.log10(start);\n                        innerDimension = me.height;\n                        pixel = me.bottom - (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n                    }\n                }\n                return pixel;\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var range = helpers.log10(me.end) - helpers.log10(me.start);\n                var value, innerDimension;\n\n                if (me.isHorizontal()) {\n                    innerDimension = me.width;\n                    value = me.start * Math.pow(10, (pixel - me.left) * range / innerDimension);\n                } else { // todo: if start === 0\n                    innerDimension = me.height;\n                    value = Math.pow(10, (me.bottom - pixel) * range / innerDimension) / me.start;\n                }\n                return value;\n            }\n        });\n        Chart.scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig);\n\n    };\n\n},{\"34\":34,\"45\":45}],56:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var globalDefaults = defaults.global;\n\n        var defaultConfig = {\n            display: true,\n\n            // Boolean - Whether to animate scaling the chart from the centre\n            animate: true,\n            position: 'chartArea',\n\n            angleLines: {\n                display: true,\n                color: 'rgba(0, 0, 0, 0.1)',\n                lineWidth: 1\n            },\n\n            gridLines: {\n                circular: false\n            },\n\n            // label settings\n            ticks: {\n                // Boolean - Show a backdrop to the scale label\n                showLabelBackdrop: true,\n\n                // String - The colour of the label backdrop\n                backdropColor: 'rgba(255,255,255,0.75)',\n\n                // Number - The backdrop padding above & below the label in pixels\n                backdropPaddingY: 2,\n\n                // Number - The backdrop padding to the side of the label in pixels\n                backdropPaddingX: 2,\n\n                callback: Ticks.formatters.linear\n            },\n\n            pointLabels: {\n                // Boolean - if true, show point labels\n                display: true,\n\n                // Number - Point label font size in pixels\n                fontSize: 10,\n\n                // Function - Used to convert point labels\n                callback: function(label) {\n                    return label;\n                }\n            }\n        };\n\n        function getValueCount(scale) {\n            var opts = scale.options;\n            return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0;\n        }\n\n        function getPointLabelFontOptions(scale) {\n            var pointLabelOptions = scale.options.pointLabels;\n            var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize);\n            var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle);\n            var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily);\n            var font = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n            return {\n                size: fontSize,\n                style: fontStyle,\n                family: fontFamily,\n                font: font\n            };\n        }\n\n        function measureLabelSize(ctx, fontSize, label) {\n            if (helpers.isArray(label)) {\n                return {\n                    w: helpers.longestText(ctx, ctx.font, label),\n                    h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize)\n                };\n            }\n\n            return {\n                w: ctx.measureText(label).width,\n                h: fontSize\n            };\n        }\n\n        function determineLimits(angle, pos, size, min, max) {\n            if (angle === min || angle === max) {\n                return {\n                    start: pos - (size / 2),\n                    end: pos + (size / 2)\n                };\n            } else if (angle < min || angle > max) {\n                return {\n                    start: pos - size - 5,\n                    end: pos\n                };\n            }\n\n            return {\n                start: pos,\n                end: pos + size + 5\n            };\n        }\n\n        /**\n         * Helper function to fit a radial linear scale with point labels\n         */\n        function fitWithPointLabels(scale) {\n\t\t\t/*\n\t\t\t * Right, this is really confusing and there is a lot of maths going on here\n\t\t\t * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9\n\t\t\t *\n\t\t\t * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif\n\t\t\t *\n\t\t\t * Solution:\n\t\t\t *\n\t\t\t * We assume the radius of the polygon is half the size of the canvas at first\n\t\t\t * at each index we check if the text overlaps.\n\t\t\t *\n\t\t\t * Where it does, we store that angle and that index.\n\t\t\t *\n\t\t\t * After finding the largest index and angle we calculate how much we need to remove\n\t\t\t * from the shape radius to move the point inwards by that x.\n\t\t\t *\n\t\t\t * We average the left and right distances to get the maximum shape radius that can fit in the box\n\t\t\t * along with labels.\n\t\t\t *\n\t\t\t * Once we have that, we can find the centre point for the chart, by taking the x text protrusion\n\t\t\t * on each side, removing that from the size, halving it and adding the left x protrusion width.\n\t\t\t *\n\t\t\t * This will mean we have a shape fitted to the canvas, as large as it can be with the labels\n\t\t\t * and position it in the most space efficient manner\n\t\t\t *\n\t\t\t * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif\n\t\t\t */\n\n            var plFont = getPointLabelFontOptions(scale);\n\n            // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.\n            // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points\n            var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n            var furthestLimits = {\n                r: scale.width,\n                l: 0,\n                t: scale.height,\n                b: 0\n            };\n            var furthestAngles = {};\n            var i, textSize, pointPosition;\n\n            scale.ctx.font = plFont.font;\n            scale._pointLabelSizes = [];\n\n            var valueCount = getValueCount(scale);\n            for (i = 0; i < valueCount; i++) {\n                pointPosition = scale.getPointPosition(i, largestPossibleRadius);\n                textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || '');\n                scale._pointLabelSizes[i] = textSize;\n\n                // Add quarter circle to make degree 0 mean top of circle\n                var angleRadians = scale.getIndexAngle(i);\n                var angle = helpers.toDegrees(angleRadians) % 360;\n                var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n                var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n\n                if (hLimits.start < furthestLimits.l) {\n                    furthestLimits.l = hLimits.start;\n                    furthestAngles.l = angleRadians;\n                }\n\n                if (hLimits.end > furthestLimits.r) {\n                    furthestLimits.r = hLimits.end;\n                    furthestAngles.r = angleRadians;\n                }\n\n                if (vLimits.start < furthestLimits.t) {\n                    furthestLimits.t = vLimits.start;\n                    furthestAngles.t = angleRadians;\n                }\n\n                if (vLimits.end > furthestLimits.b) {\n                    furthestLimits.b = vLimits.end;\n                    furthestAngles.b = angleRadians;\n                }\n            }\n\n            scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles);\n        }\n\n        /**\n         * Helper function to fit a radial linear scale with no point labels\n         */\n        function fit(scale) {\n            var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n            scale.drawingArea = Math.round(largestPossibleRadius);\n            scale.setCenterPoint(0, 0, 0, 0);\n        }\n\n        function getTextAlignForAngle(angle) {\n            if (angle === 0 || angle === 180) {\n                return 'center';\n            } else if (angle < 180) {\n                return 'left';\n            }\n\n            return 'right';\n        }\n\n        function fillText(ctx, text, position, fontSize) {\n            if (helpers.isArray(text)) {\n                var y = position.y;\n                var spacing = 1.5 * fontSize;\n\n                for (var i = 0; i < text.length; ++i) {\n                    ctx.fillText(text[i], position.x, y);\n                    y += spacing;\n                }\n            } else {\n                ctx.fillText(text, position.x, position.y);\n            }\n        }\n\n        function adjustPointPositionForLabelHeight(angle, textSize, position) {\n            if (angle === 90 || angle === 270) {\n                position.y -= (textSize.h / 2);\n            } else if (angle > 270 || angle < 90) {\n                position.y -= textSize.h;\n            }\n        }\n\n        function drawPointLabels(scale) {\n            var ctx = scale.ctx;\n            var valueOrDefault = helpers.valueOrDefault;\n            var opts = scale.options;\n            var angleLineOpts = opts.angleLines;\n            var pointLabelOpts = opts.pointLabels;\n\n            ctx.lineWidth = angleLineOpts.lineWidth;\n            ctx.strokeStyle = angleLineOpts.color;\n\n            var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);\n\n            // Point Label Font\n            var plFont = getPointLabelFontOptions(scale);\n\n            ctx.textBaseline = 'top';\n\n            for (var i = getValueCount(scale) - 1; i >= 0; i--) {\n                if (angleLineOpts.display) {\n                    var outerPosition = scale.getPointPosition(i, outerDistance);\n                    ctx.beginPath();\n                    ctx.moveTo(scale.xCenter, scale.yCenter);\n                    ctx.lineTo(outerPosition.x, outerPosition.y);\n                    ctx.stroke();\n                    ctx.closePath();\n                }\n\n                if (pointLabelOpts.display) {\n                    // Extra 3px out for some label spacing\n                    var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5);\n\n                    // Keep this in loop since we may support array properties here\n                    var pointLabelFontColor = valueOrDefault(pointLabelOpts.fontColor, globalDefaults.defaultFontColor);\n                    ctx.font = plFont.font;\n                    ctx.fillStyle = pointLabelFontColor;\n\n                    var angleRadians = scale.getIndexAngle(i);\n                    var angle = helpers.toDegrees(angleRadians);\n                    ctx.textAlign = getTextAlignForAngle(angle);\n                    adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);\n                    fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size);\n                }\n            }\n        }\n\n        function drawRadiusLine(scale, gridLineOpts, radius, index) {\n            var ctx = scale.ctx;\n            ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1);\n            ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1);\n\n            if (scale.options.gridLines.circular) {\n                // Draw circular arcs between the points\n                ctx.beginPath();\n                ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);\n                ctx.closePath();\n                ctx.stroke();\n            } else {\n                // Draw straight lines connecting each index\n                var valueCount = getValueCount(scale);\n\n                if (valueCount === 0) {\n                    return;\n                }\n\n                ctx.beginPath();\n                var pointPosition = scale.getPointPosition(0, radius);\n                ctx.moveTo(pointPosition.x, pointPosition.y);\n\n                for (var i = 1; i < valueCount; i++) {\n                    pointPosition = scale.getPointPosition(i, radius);\n                    ctx.lineTo(pointPosition.x, pointPosition.y);\n                }\n\n                ctx.closePath();\n                ctx.stroke();\n            }\n        }\n\n        function numberOrZero(param) {\n            return helpers.isNumber(param) ? param : 0;\n        }\n\n        var LinearRadialScale = Chart.LinearScaleBase.extend({\n            setDimensions: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                // Set the unconstrained dimension before label rotation\n                me.width = me.maxWidth;\n                me.height = me.maxHeight;\n                me.xCenter = Math.round(me.width / 2);\n                me.yCenter = Math.round(me.height / 2);\n\n                var minSize = helpers.min([me.height, me.width]);\n                var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2);\n            },\n            determineDataLimits: function() {\n                var me = this;\n                var chart = me.chart;\n                var min = Number.POSITIVE_INFINITY;\n                var max = Number.NEGATIVE_INFINITY;\n\n                helpers.each(chart.data.datasets, function(dataset, datasetIndex) {\n                    if (chart.isDatasetVisible(datasetIndex)) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n\n                        helpers.each(dataset.data, function(rawValue, index) {\n                            var value = +me.getRightValue(rawValue);\n                            if (isNaN(value) || meta.data[index].hidden) {\n                                return;\n                            }\n\n                            min = Math.min(value, min);\n                            max = Math.max(value, max);\n                        });\n                    }\n                });\n\n                me.min = (min === Number.POSITIVE_INFINITY ? 0 : min);\n                me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);\n\n                // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n                me.handleTickRangeOptions();\n            },\n            getTickLimit: function() {\n                var tickOpts = this.options.ticks;\n                var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize)));\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n\n                Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me);\n\n                // Point labels\n                me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me);\n            },\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            fit: function() {\n                if (this.options.pointLabels.display) {\n                    fitWithPointLabels(this);\n                } else {\n                    fit(this);\n                }\n            },\n            /**\n             * Set radius reductions and determine new radius and center point\n             * @private\n             */\n            setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {\n                var me = this;\n                var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);\n                var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);\n                var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);\n                var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b);\n\n                radiusReductionLeft = numberOrZero(radiusReductionLeft);\n                radiusReductionRight = numberOrZero(radiusReductionRight);\n                radiusReductionTop = numberOrZero(radiusReductionTop);\n                radiusReductionBottom = numberOrZero(radiusReductionBottom);\n\n                me.drawingArea = Math.min(\n                    Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),\n                    Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));\n                me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);\n            },\n            setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {\n                var me = this;\n                var maxRight = me.width - rightMovement - me.drawingArea;\n                var maxLeft = leftMovement + me.drawingArea;\n                var maxTop = topMovement + me.drawingArea;\n                var maxBottom = me.height - bottomMovement - me.drawingArea;\n\n                me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left);\n                me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top);\n            },\n\n            getIndexAngle: function(index) {\n                var angleMultiplier = (Math.PI * 2) / getValueCount(this);\n                var startAngle = this.chart.options && this.chart.options.startAngle ?\n                    this.chart.options.startAngle :\n                    0;\n\n                var startAngleRadians = startAngle * Math.PI * 2 / 360;\n\n                // Start from the top instead of right, so remove a quarter of the circle\n                return index * angleMultiplier + startAngleRadians;\n            },\n            getDistanceFromCenterForValue: function(value) {\n                var me = this;\n\n                if (value === null) {\n                    return 0; // null always in center\n                }\n\n                // Take into account half font size + the yPadding of the top value\n                var scalingFactor = me.drawingArea / (me.max - me.min);\n                if (me.options.ticks.reverse) {\n                    return (me.max - value) * scalingFactor;\n                }\n                return (value - me.min) * scalingFactor;\n            },\n            getPointPosition: function(index, distanceFromCenter) {\n                var me = this;\n                var thisAngle = me.getIndexAngle(index) - (Math.PI / 2);\n                return {\n                    x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter,\n                    y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter\n                };\n            },\n            getPointPositionForValue: function(index, value) {\n                return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n            },\n\n            getBasePosition: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n\n                return me.getPointPositionForValue(0,\n                    me.beginAtZero ? 0 :\n                        min < 0 && max < 0 ? max :\n                            min > 0 && max > 0 ? min :\n                                0);\n            },\n\n            draw: function() {\n                var me = this;\n                var opts = me.options;\n                var gridLineOpts = opts.gridLines;\n                var tickOpts = opts.ticks;\n                var valueOrDefault = helpers.valueOrDefault;\n\n                if (opts.display) {\n                    var ctx = me.ctx;\n                    var startAngle = this.getIndexAngle(0);\n\n                    // Tick Font\n                    var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                    var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle);\n                    var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily);\n                    var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);\n\n                    helpers.each(me.ticks, function(label, index) {\n                        // Don't draw a centre value (if it is minimum)\n                        if (index > 0 || tickOpts.reverse) {\n                            var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);\n\n                            // Draw circular lines around the scale\n                            if (gridLineOpts.display && index !== 0) {\n                                drawRadiusLine(me, gridLineOpts, yCenterOffset, index);\n                            }\n\n                            if (tickOpts.display) {\n                                var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor);\n                                ctx.font = tickLabelFont;\n\n                                ctx.save();\n                                ctx.translate(me.xCenter, me.yCenter);\n                                ctx.rotate(startAngle);\n\n                                if (tickOpts.showLabelBackdrop) {\n                                    var labelWidth = ctx.measureText(label).width;\n                                    ctx.fillStyle = tickOpts.backdropColor;\n                                    ctx.fillRect(\n                                        -labelWidth / 2 - tickOpts.backdropPaddingX,\n                                        -yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY,\n                                        labelWidth + tickOpts.backdropPaddingX * 2,\n                                        tickFontSize + tickOpts.backdropPaddingY * 2\n                                    );\n                                }\n\n                                ctx.textAlign = 'center';\n                                ctx.textBaseline = 'middle';\n                                ctx.fillStyle = tickFontColor;\n                                ctx.fillText(label, 0, -yCenterOffset);\n                                ctx.restore();\n                            }\n                        }\n                    });\n\n                    if (opts.angleLines.display || opts.pointLabels.display) {\n                        drawPointLabels(me);\n                    }\n                }\n            }\n        });\n        Chart.scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig);\n\n    };\n\n},{\"25\":25,\"34\":34,\"45\":45}],57:[function(require,module,exports){\n\t/* global window: false */\n    'use strict';\n\n    var moment = require(6);\n    moment = typeof moment === 'function' ? moment : window.moment;\n\n    var defaults = require(25);\n    var helpers = require(45);\n\n// Integer constants are from the ES6 spec.\n    var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;\n    var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;\n\n    var INTERVALS = {\n        millisecond: {\n            major: true,\n            size: 1,\n            steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]\n        },\n        second: {\n            major: true,\n            size: 1000,\n            steps: [1, 2, 5, 10, 30]\n        },\n        minute: {\n            major: true,\n            size: 60000,\n            steps: [1, 2, 5, 10, 30]\n        },\n        hour: {\n            major: true,\n            size: 3600000,\n            steps: [1, 2, 3, 6, 12]\n        },\n        day: {\n            major: true,\n            size: 86400000,\n            steps: [1, 2, 5]\n        },\n        week: {\n            major: false,\n            size: 604800000,\n            steps: [1, 2, 3, 4]\n        },\n        month: {\n            major: true,\n            size: 2.628e9,\n            steps: [1, 2, 3]\n        },\n        quarter: {\n            major: false,\n            size: 7.884e9,\n            steps: [1, 2, 3, 4]\n        },\n        year: {\n            major: true,\n            size: 3.154e10\n        }\n    };\n\n    var UNITS = Object.keys(INTERVALS);\n\n    function sorter(a, b) {\n        return a - b;\n    }\n\n    function arrayUnique(items) {\n        var hash = {};\n        var out = [];\n        var i, ilen, item;\n\n        for (i = 0, ilen = items.length; i < ilen; ++i) {\n            item = items[i];\n            if (!hash[item]) {\n                hash[item] = true;\n                out.push(item);\n            }\n        }\n\n        return out;\n    }\n\n    /**\n     * Returns an array of {time, pos} objects used to interpolate a specific `time` or position\n     * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is\n     * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other\n     * extremity (left + width or top + height). Note that it would be more optimized to directly\n     * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need\n     * to create the lookup table. The table ALWAYS contains at least two items: min and max.\n     *\n     * @param {Number[]} timestamps - timestamps sorted from lowest to highest.\n     * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min\n     * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.\n     * If 'series', timestamps will be positioned at the same distance from each other. In this\n     * case, only timestamps that break the time linearity are registered, meaning that in the\n     * best case, all timestamps are linear, the table contains only min and max.\n     */\n    function buildLookupTable(timestamps, min, max, distribution) {\n        if (distribution === 'linear' || !timestamps.length) {\n            return [\n                {time: min, pos: 0},\n                {time: max, pos: 1}\n            ];\n        }\n\n        var table = [];\n        var items = [min];\n        var i, ilen, prev, curr, next;\n\n        for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n            curr = timestamps[i];\n            if (curr > min && curr < max) {\n                items.push(curr);\n            }\n        }\n\n        items.push(max);\n\n        for (i = 0, ilen = items.length; i < ilen; ++i) {\n            next = items[i + 1];\n            prev = items[i - 1];\n            curr = items[i];\n\n            // only add points that breaks the scale linearity\n            if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {\n                table.push({time: curr, pos: i / (ilen - 1)});\n            }\n        }\n\n        return table;\n    }\n\n// @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/\n    function lookup(table, key, value) {\n        var lo = 0;\n        var hi = table.length - 1;\n        var mid, i0, i1;\n\n        while (lo >= 0 && lo <= hi) {\n            mid = (lo + hi) >> 1;\n            i0 = table[mid - 1] || null;\n            i1 = table[mid];\n\n            if (!i0) {\n                // given value is outside table (before first item)\n                return {lo: null, hi: i1};\n            } else if (i1[key] < value) {\n                lo = mid + 1;\n            } else if (i0[key] > value) {\n                hi = mid - 1;\n            } else {\n                return {lo: i0, hi: i1};\n            }\n        }\n\n        // given value is outside table (after last item)\n        return {lo: i1, hi: null};\n    }\n\n    /**\n     * Linearly interpolates the given source `value` using the table items `skey` values and\n     * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')\n     * returns the position for a timestamp equal to 42. If value is out of bounds, values at\n     * index [0, 1] or [n - 1, n] are used for the interpolation.\n     */\n    function interpolate(table, skey, sval, tkey) {\n        var range = lookup(table, skey, sval);\n\n        // Note: the lookup table ALWAYS contains at least 2 items (min and max)\n        var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;\n        var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;\n\n        var span = next[skey] - prev[skey];\n        var ratio = span ? (sval - prev[skey]) / span : 0;\n        var offset = (next[tkey] - prev[tkey]) * ratio;\n\n        return prev[tkey] + offset;\n    }\n\n    /**\n     * Convert the given value to a moment object using the given time options.\n     * @see http://momentjs.com/docs/#/parsing/\n     */\n    function momentify(value, options) {\n        var parser = options.parser;\n        var format = options.parser || options.format;\n\n        if (typeof parser === 'function') {\n            return parser(value);\n        }\n\n        if (typeof value === 'string' && typeof format === 'string') {\n            return moment(value, format);\n        }\n\n        if (!(value instanceof moment)) {\n            value = moment(value);\n        }\n\n        if (value.isValid()) {\n            return value;\n        }\n\n        // Labels are in an incompatible moment format and no `parser` has been provided.\n        // The user might still use the deprecated `format` option to convert his inputs.\n        if (typeof format === 'function') {\n            return format(value);\n        }\n\n        return value;\n    }\n\n    function parse(input, scale) {\n        if (helpers.isNullOrUndef(input)) {\n            return null;\n        }\n\n        var options = scale.options.time;\n        var value = momentify(scale.getRightValue(input), options);\n        if (!value.isValid()) {\n            return null;\n        }\n\n        if (options.round) {\n            value.startOf(options.round);\n        }\n\n        return value.valueOf();\n    }\n\n    /**\n     * Returns the number of unit to skip to be able to display up to `capacity` number of ticks\n     * in `unit` for the given `min` / `max` range and respecting the interval steps constraints.\n     */\n    function determineStepSize(min, max, unit, capacity) {\n        var range = max - min;\n        var interval = INTERVALS[unit];\n        var milliseconds = interval.size;\n        var steps = interval.steps;\n        var i, ilen, factor;\n\n        if (!steps) {\n            return Math.ceil(range / ((capacity || 1) * milliseconds));\n        }\n\n        for (i = 0, ilen = steps.length; i < ilen; ++i) {\n            factor = steps[i];\n            if (Math.ceil(range / (milliseconds * factor)) <= capacity) {\n                break;\n            }\n        }\n\n        return factor;\n    }\n\n    function determineUnit(minUnit, min, max, capacity) {\n        var ilen = UNITS.length;\n        var i, interval, factor;\n\n        for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n            interval = INTERVALS[UNITS[i]];\n            factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER;\n\n            if (Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\n                return UNITS[i];\n            }\n        }\n\n        return UNITS[ilen - 1];\n    }\n\n    function determineMajorUnit(unit) {\n        for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\n            if (INTERVALS[UNITS[i]].major) {\n                return UNITS[i];\n            }\n        }\n    }\n\n    /**\n     * Generates a maximum of `capacity` timestamps between min and max, rounded to the\n     * `minor` unit, aligned on the `major` unit and using the given scale time `options`.\n     * Important: this method can return ticks outside the min and max range, it's the\n     * responsibility of the calling code to clamp values if needed.\n     */\n    function generate(min, max, minor, major, capacity, options) {\n        var timeOpts = options.time;\n        var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize);\n        var weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n        var majorTicksEnabled = options.ticks.major.enabled;\n        var interval = INTERVALS[minor];\n        var first = moment(min);\n        var last = moment(max);\n        var ticks = [];\n        var time;\n\n        if (!stepSize) {\n            stepSize = determineStepSize(min, max, minor, capacity);\n        }\n\n        // For 'week' unit, handle the first day of week option\n        if (weekday) {\n            first = first.isoWeekday(weekday);\n            last = last.isoWeekday(weekday);\n        }\n\n        // Align first/last ticks on unit\n        first = first.startOf(weekday ? 'day' : minor);\n        last = last.startOf(weekday ? 'day' : minor);\n\n        // Make sure that the last tick include max\n        if (last < max) {\n            last.add(1, minor);\n        }\n\n        time = moment(first);\n\n        if (majorTicksEnabled && major && !weekday && !timeOpts.round) {\n            // Align the first tick on the previous `minor` unit aligned on the `major` unit:\n            // we first aligned time on the previous `major` unit then add the number of full\n            // stepSize there is between first and the previous major time.\n            time.startOf(major);\n            time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor);\n        }\n\n        for (; time < last; time.add(stepSize, minor)) {\n            ticks.push(+time);\n        }\n\n        ticks.push(+time);\n\n        return ticks;\n    }\n\n    /**\n     * Returns the right and left offsets from edges in the form of {left, right}.\n     * Offsets are added when the `offset` option is true.\n     */\n    function computeOffsets(table, ticks, min, max, options) {\n        var left = 0;\n        var right = 0;\n        var upper, lower;\n\n        if (options.offset && ticks.length) {\n            if (!options.time.min) {\n                upper = ticks.length > 1 ? ticks[1] : max;\n                lower = ticks[0];\n                left = (\n                        interpolate(table, 'time', upper, 'pos') -\n                        interpolate(table, 'time', lower, 'pos')\n                    ) / 2;\n            }\n            if (!options.time.max) {\n                upper = ticks[ticks.length - 1];\n                lower = ticks.length > 1 ? ticks[ticks.length - 2] : min;\n                right = (\n                        interpolate(table, 'time', upper, 'pos') -\n                        interpolate(table, 'time', lower, 'pos')\n                    ) / 2;\n            }\n        }\n\n        return {left: left, right: right};\n    }\n\n    function ticksFromTimestamps(values, majorUnit) {\n        var ticks = [];\n        var i, ilen, value, major;\n\n        for (i = 0, ilen = values.length; i < ilen; ++i) {\n            value = values[i];\n            major = majorUnit ? value === +moment(value).startOf(majorUnit) : false;\n\n            ticks.push({\n                value: value,\n                major: major\n            });\n        }\n\n        return ticks;\n    }\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'bottom',\n\n            /**\n             * Data distribution along the scale:\n             * - 'linear': data are spread according to their time (distances can vary),\n             * - 'series': data are spread at the same distance from each other.\n             * @see https://github.com/chartjs/Chart.js/pull/4507\n             * @since 2.7.0\n             */\n            distribution: 'linear',\n\n            /**\n             * Scale boundary strategy (bypassed by min/max time options)\n             * - `data`: make sure data are fully visible, ticks outside are removed\n             * - `ticks`: make sure ticks are fully visible, data outside are truncated\n             * @see https://github.com/chartjs/Chart.js/pull/4556\n             * @since 2.7.0\n             */\n            bounds: 'data',\n\n            time: {\n                parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment\n                format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/\n                unit: false, // false == automatic or override with week, month, year, etc.\n                round: false, // none, or override with week, month, year, etc.\n                displayFormat: false, // DEPRECATED\n                isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/\n                minUnit: 'millisecond',\n\n                // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/\n                displayFormats: {\n                    millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM,\n                    second: 'h:mm:ss a', // 11:20:01 AM\n                    minute: 'h:mm a', // 11:20 AM\n                    hour: 'hA', // 5PM\n                    day: 'MMM D', // Sep 4\n                    week: 'll', // Week 46, or maybe \"[W]WW - YYYY\" ?\n                    month: 'MMM YYYY', // Sept 2015\n                    quarter: '[Q]Q - YYYY', // Q3\n                    year: 'YYYY' // 2015\n                },\n            },\n            ticks: {\n                autoSkip: false,\n\n                /**\n                 * Ticks generation input values:\n                 * - 'auto': generates \"optimal\" ticks based on scale size and time options.\n                 * - 'data': generates ticks from data (including labels from data {t|x|y} objects).\n                 * - 'labels': generates ticks from user given `data.labels` values ONLY.\n                 * @see https://github.com/chartjs/Chart.js/pull/4507\n                 * @since 2.7.0\n                 */\n                source: 'auto',\n\n                major: {\n                    enabled: false\n                }\n            }\n        };\n\n        var TimeScale = Chart.Scale.extend({\n            initialize: function() {\n                if (!moment) {\n                    throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com');\n                }\n\n                this.mergeTicksOptions();\n\n                Chart.Scale.prototype.initialize.call(this);\n            },\n\n            update: function() {\n                var me = this;\n                var options = me.options;\n\n                // DEPRECATIONS: output a message only one time per update\n                if (options.time && options.time.format) {\n                    console.warn('options.time.format is deprecated and replaced by options.time.parser.');\n                }\n\n                return Chart.Scale.prototype.update.apply(me, arguments);\n            },\n\n            /**\n             * Allows data to be referenced via 't' attribute\n             */\n            getRightValue: function(rawValue) {\n                if (rawValue && rawValue.t !== undefined) {\n                    rawValue = rawValue.t;\n                }\n                return Chart.Scale.prototype.getRightValue.call(this, rawValue);\n            },\n\n            determineDataLimits: function() {\n                var me = this;\n                var chart = me.chart;\n                var timeOpts = me.options.time;\n                var min = parse(timeOpts.min, me) || MAX_INTEGER;\n                var max = parse(timeOpts.max, me) || MIN_INTEGER;\n                var timestamps = [];\n                var datasets = [];\n                var labels = [];\n                var i, j, ilen, jlen, data, timestamp;\n\n                // Convert labels to timestamps\n                for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) {\n                    labels.push(parse(chart.data.labels[i], me));\n                }\n\n                // Convert data to timestamps\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    if (chart.isDatasetVisible(i)) {\n                        data = chart.data.datasets[i].data;\n\n                        // Let's consider that all data have the same format.\n                        if (helpers.isObject(data[0])) {\n                            datasets[i] = [];\n\n                            for (j = 0, jlen = data.length; j < jlen; ++j) {\n                                timestamp = parse(data[j], me);\n                                timestamps.push(timestamp);\n                                datasets[i][j] = timestamp;\n                            }\n                        } else {\n                            timestamps.push.apply(timestamps, labels);\n                            datasets[i] = labels.slice(0);\n                        }\n                    } else {\n                        datasets[i] = [];\n                    }\n                }\n\n                if (labels.length) {\n                    // Sort labels **after** data have been converted\n                    labels = arrayUnique(labels).sort(sorter);\n                    min = Math.min(min, labels[0]);\n                    max = Math.max(max, labels[labels.length - 1]);\n                }\n\n                if (timestamps.length) {\n                    timestamps = arrayUnique(timestamps).sort(sorter);\n                    min = Math.min(min, timestamps[0]);\n                    max = Math.max(max, timestamps[timestamps.length - 1]);\n                }\n\n                // In case there is no valid min/max, let's use today limits\n                min = min === MAX_INTEGER ? +moment().startOf('day') : min;\n                max = max === MIN_INTEGER ? +moment().endOf('day') + 1 : max;\n\n                // Make sure that max is strictly higher than min (required by the lookup table)\n                me.min = Math.min(min, max);\n                me.max = Math.max(min + 1, max);\n\n                // PRIVATE\n                me._horizontal = me.isHorizontal();\n                me._table = [];\n                me._timestamps = {\n                    data: timestamps,\n                    datasets: datasets,\n                    labels: labels\n                };\n            },\n\n            buildTicks: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n                var options = me.options;\n                var timeOpts = options.time;\n                var formats = timeOpts.displayFormats;\n                var capacity = me.getLabelCapacity(min);\n                var unit = timeOpts.unit || determineUnit(timeOpts.minUnit, min, max, capacity);\n                var majorUnit = determineMajorUnit(unit);\n                var timestamps = [];\n                var ticks = [];\n                var i, ilen, timestamp;\n\n                switch (options.ticks.source) {\n                    case 'data':\n                        timestamps = me._timestamps.data;\n                        break;\n                    case 'labels':\n                        timestamps = me._timestamps.labels;\n                        break;\n                    case 'auto':\n                    default:\n                        timestamps = generate(min, max, unit, majorUnit, capacity, options);\n                }\n\n                if (options.bounds === 'ticks' && timestamps.length) {\n                    min = timestamps[0];\n                    max = timestamps[timestamps.length - 1];\n                }\n\n                // Enforce limits with user min/max options\n                min = parse(timeOpts.min, me) || min;\n                max = parse(timeOpts.max, me) || max;\n\n                // Remove ticks outside the min/max range\n                for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n                    timestamp = timestamps[i];\n                    if (timestamp >= min && timestamp <= max) {\n                        ticks.push(timestamp);\n                    }\n                }\n\n                me.min = min;\n                me.max = max;\n\n                // PRIVATE\n                me._unit = unit;\n                me._majorUnit = majorUnit;\n                me._minorFormat = formats[unit];\n                me._majorFormat = formats[majorUnit];\n                me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution);\n                me._offsets = computeOffsets(me._table, ticks, min, max, options);\n\n                return ticksFromTimestamps(ticks, majorUnit);\n            },\n\n            getLabelForIndex: function(index, datasetIndex) {\n                var me = this;\n                var data = me.chart.data;\n                var timeOpts = me.options.time;\n                var label = data.labels && index < data.labels.length ? data.labels[index] : '';\n                var value = data.datasets[datasetIndex].data[index];\n\n                if (helpers.isObject(value)) {\n                    label = me.getRightValue(value);\n                }\n                if (timeOpts.tooltipFormat) {\n                    label = momentify(label, timeOpts).format(timeOpts.tooltipFormat);\n                }\n\n                return label;\n            },\n\n            /**\n             * Function to format an individual tick mark\n             * @private\n             */\n            tickFormatFunction: function(tick, index, ticks) {\n                var me = this;\n                var options = me.options;\n                var time = tick.valueOf();\n                var majorUnit = me._majorUnit;\n                var majorFormat = me._majorFormat;\n                var majorTime = tick.clone().startOf(me._majorUnit).valueOf();\n                var majorTickOpts = options.ticks.major;\n                var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime;\n                var label = tick.format(major ? majorFormat : me._minorFormat);\n                var tickOpts = major ? majorTickOpts : options.ticks.minor;\n                var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback);\n\n                return formatter ? formatter(label, index, ticks) : label;\n            },\n\n            convertTicksToLabels: function(ticks) {\n                var labels = [];\n                var i, ilen;\n\n                for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n                    labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks));\n                }\n\n                return labels;\n            },\n\n            /**\n             * @private\n             */\n            getPixelForOffset: function(time) {\n                var me = this;\n                var size = me._horizontal ? me.width : me.height;\n                var start = me._horizontal ? me.left : me.top;\n                var pos = interpolate(me._table, 'time', time, 'pos');\n\n                return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right);\n            },\n\n            getPixelForValue: function(value, index, datasetIndex) {\n                var me = this;\n                var time = null;\n\n                if (index !== undefined && datasetIndex !== undefined) {\n                    time = me._timestamps.datasets[datasetIndex][index];\n                }\n\n                if (time === null) {\n                    time = parse(value, me);\n                }\n\n                if (time !== null) {\n                    return me.getPixelForOffset(time);\n                }\n            },\n\n            getPixelForTick: function(index) {\n                var ticks = this.getTicks();\n                return index >= 0 && index < ticks.length ?\n                    this.getPixelForOffset(ticks[index].value) :\n                    null;\n            },\n\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var size = me._horizontal ? me.width : me.height;\n                var start = me._horizontal ? me.left : me.top;\n                var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right;\n                var time = interpolate(me._table, 'pos', pos, 'time');\n\n                return moment(time);\n            },\n\n            /**\n             * Crude approximation of what the label width might be\n             * @private\n             */\n            getLabelWidth: function(label) {\n                var me = this;\n                var ticksOpts = me.options.ticks;\n                var tickLabelWidth = me.ctx.measureText(label).width;\n                var angle = helpers.toRadians(ticksOpts.maxRotation);\n                var cosRotation = Math.cos(angle);\n                var sinRotation = Math.sin(angle);\n                var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize);\n\n                return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation);\n            },\n\n            /**\n             * @private\n             */\n            getLabelCapacity: function(exampleTime) {\n                var me = this;\n\n                me._minorFormat = me.options.time.displayFormats.millisecond;\t// Pick the longest format for guestimation\n\n                var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, []);\n                var tickLabelWidth = me.getLabelWidth(exampleLabel);\n                var innerWidth = me.isHorizontal() ? me.width : me.height;\n\n                return Math.floor(innerWidth / tickLabelWidth);\n            }\n        });\n\n        Chart.scaleService.registerScaleType('time', TimeScale, defaultConfig);\n    };\n\n},{\"25\":25,\"45\":45,\"6\":6}]},{},[7])(7)\n});"],"file":"chartjs-lazy.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/drawer.min.js b/lib/amd/build/drawer.min.js
index 760a6742874..88a272fca69 100644
--- a/lib/amd/build/drawer.min.js
+++ b/lib/amd/build/drawer.min.js
@@ -1,2 +1,2 @@
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 //# sourceMappingURL=drawer.min.js.map
diff --git a/lib/amd/build/drawer.min.js.map b/lib/amd/build/drawer.min.js.map
index 82cdd89ccc2..1cf7b2877ed 100644
--- a/lib/amd/build/drawer.min.js.map
+++ b/lib/amd/build/drawer.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  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\ No newline at end of file
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the drawer.\n *\n * @module     core/drawer\n * @copyright  2019 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport $ from 'jquery';\nimport * as PubSub from 'core/pubsub';\nimport DrawerEvents from 'core/drawer_events';\n\n/**\n * Show the drawer.\n *\n * @param {Object} root The drawer container.\n */\nconst show = (root) => {\n    root.removeClass('hidden');\n    root.attr('aria-expanded', true);\n    root.removeAttr('aria-hidden');\n    root.focus();\n\n    PubSub.publish(DrawerEvents.DRAWER_SHOWN, root);\n};\n\n/**\n * Hide the drawer.\n *\n * @param {Object} root The drawer container.\n */\nconst hide = (root) => {\n    root.addClass('hidden');\n    root.attr('aria-expanded', false);\n    root.attr('aria-hidden', true);\n    PubSub.publish(DrawerEvents.DRAWER_HIDDEN, root);\n};\n\n/**\n * Check if the drawer is visible.\n *\n * @param {Object} root The drawer container.\n * @return {boolean}\n */\nconst isVisible = (root) => {\n    let isHidden = root.hasClass('hidden');\n    return !isHidden;\n};\n\n/**\n * Toggle the drawer visibility.\n *\n * @param {Object} root The drawer container.\n */\nconst toggle = (root) => {\n    if (isVisible(root)) {\n        hide(root);\n    } else {\n        show(root);\n    }\n};\n\n/**\n * Add event listeners to toggle the drawer.\n *\n * @param {Object} root The drawer container.\n * @param {Object} toggleElements The toggle elements.\n */\nconst registerToggles = (root, toggleElements) => {\n    let openTrigger = null;\n    toggleElements.attr('aria-expanded', isVisible(root));\n\n    toggleElements.on('click', (e) => {\n        e.preventDefault();\n        const wasVisible = isVisible(root);\n        toggle(root);\n        toggleElements.attr('aria-expanded', !wasVisible);\n\n        if (!wasVisible) {\n            // Remember which trigger element opened the drawer.\n            openTrigger = toggleElements.filter((index, element) => {\n                return element == e.target || element.contains(e.target);\n            });\n        } else if (openTrigger) {\n            // The drawer has gone from open to close so we need to set the focus back\n            // to the element that openend it.\n            openTrigger.focus();\n            openTrigger = null;\n        }\n    });\n};\n\n/**\n * Find the root element of the drawer based on the using the drawer content root's ID.\n *\n * @param {Object} contentRoot The drawer content's root element.\n * @returns {*|jQuery}\n */\nconst getDrawerRoot = (contentRoot) => {\n    contentRoot = $(contentRoot);\n    return contentRoot.closest('[data-region=\"right-hand-drawer\"]');\n};\n\nexport default {\n    hide: hide,\n    show: show,\n    isVisible: isVisible,\n    toggle: toggle,\n    registerToggles: registerToggles,\n    getDrawerRoot: getDrawerRoot\n};\n"],"file":"drawer.min.js"}
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diff --git a/lib/amd/build/emoji/auto_complete.min.js b/lib/amd/build/emoji/auto_complete.min.js
index 6fe3276eef5..e208b00f093 100644
--- a/lib/amd/build/emoji/auto_complete.min.js
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+++ b/lib/amd/build/emoji/auto_complete.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji auto complete.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as EmojiData from 'core/emoji/data';\nimport {render as renderTemplate} from 'core/templates';\nimport {debounce} from 'core/utils';\nimport LocalStorage from 'core/localstorage';\nimport KeyCodes from 'core/key_codes';\n\nconst INPUT_DEBOUNCE_TIMER = 200;\nconst SUGGESTION_LIMIT = 50;\nconst MAX_RECENT_COUNT = 27;\nconst RECENT_EMOJIS_STORAGE_KEY = 'moodle-recent-emojis';\n\nconst SELECTORS = {\n    EMOJI_BUTTON: '[data-region=\"emoji-button\"]',\n    ACTIVE_EMOJI_BUTTON: '[data-region=\"emoji-button\"].active',\n};\n\n/**\n * Get the list of recent emojis data from local storage.\n *\n * @return {Array}\n */\nconst getRecentEmojis = () => {\n    const storedData = LocalStorage.get(RECENT_EMOJIS_STORAGE_KEY);\n    return storedData ? JSON.parse(storedData) : [];\n};\n\n/**\n * Add an emoji data to the set of recent emojis. The new set of recent emojis are\n * saved in local storage.\n *\n * @param {String} unified The char chodes for the emoji\n * @param {String} shortName The emoji short name\n */\nconst addRecentEmoji = (unified, shortName) => {\n    const newEmoji = {\n        unified,\n        shortnames: [shortName]\n    };\n    const recentEmojis = getRecentEmojis();\n    // Add the new emoji to the start of the list of recent emojis.\n    let newRecentEmojis = [newEmoji, ...recentEmojis.filter(emoji => emoji.unified != newEmoji.unified)];\n    // Limit the number of recent emojis.\n    newRecentEmojis = newRecentEmojis.slice(0, MAX_RECENT_COUNT);\n\n    LocalStorage.set(RECENT_EMOJIS_STORAGE_KEY, JSON.stringify(newRecentEmojis));\n};\n\n/**\n * Get the actual emoji string from the short name.\n *\n * @param {String} shortName Emoji short name\n * @return {String|null}\n */\nconst getEmojiTextFromShortName = (shortName) => {\n    const unified = EmojiData.byShortName[shortName];\n\n    if (unified) {\n        const charCodes = unified.split('-').map(code => `0x${code}`);\n        return String.fromCodePoint.apply(null, charCodes);\n    } else {\n        return null;\n    }\n};\n\n/**\n * Render the auto complete list for the given short names.\n *\n * @param {Element} root The root container for the emoji auto complete\n * @param {Array} shortNames The list of short names for emoji suggestions to show\n */\nconst render = async (root, shortNames) => {\n    const renderContext = {\n        emojis: shortNames.map((shortName, index) => {\n            return {\n                active: index === 0,\n                emojitext: getEmojiTextFromShortName(shortName),\n                displayshortname: `:${shortName}:`,\n                shortname: shortName,\n                unified: EmojiData.byShortName[shortName]\n            };\n        })\n    };\n    const html = await renderTemplate('core/emoji/auto_complete', renderContext);\n    root.innerHTML = html;\n};\n\n/**\n * Get the list of emoji short names that include the given search term. 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\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji auto complete.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as EmojiData from 'core/emoji/data';\nimport {render as renderTemplate} from 'core/templates';\nimport {debounce} from 'core/utils';\nimport LocalStorage from 'core/localstorage';\nimport KeyCodes from 'core/key_codes';\n\nconst INPUT_DEBOUNCE_TIMER = 200;\nconst SUGGESTION_LIMIT = 50;\nconst MAX_RECENT_COUNT = 27;\nconst RECENT_EMOJIS_STORAGE_KEY = 'moodle-recent-emojis';\n\nconst SELECTORS = {\n    EMOJI_BUTTON: '[data-region=\"emoji-button\"]',\n    ACTIVE_EMOJI_BUTTON: '[data-region=\"emoji-button\"].active',\n};\n\n/**\n * Get the list of recent emojis data from local storage.\n *\n * @return {Array}\n */\nconst getRecentEmojis = () => {\n    const storedData = LocalStorage.get(RECENT_EMOJIS_STORAGE_KEY);\n    return storedData ? JSON.parse(storedData) : [];\n};\n\n/**\n * Add an emoji data to the set of recent emojis. The new set of recent emojis are\n * saved in local storage.\n *\n * @param {String} unified The char chodes for the emoji\n * @param {String} shortName The emoji short name\n */\nconst addRecentEmoji = (unified, shortName) => {\n    const newEmoji = {\n        unified,\n        shortnames: [shortName]\n    };\n    const recentEmojis = getRecentEmojis();\n    // Add the new emoji to the start of the list of recent emojis.\n    let newRecentEmojis = [newEmoji, ...recentEmojis.filter(emoji => emoji.unified != newEmoji.unified)];\n    // Limit the number of recent emojis.\n    newRecentEmojis = newRecentEmojis.slice(0, MAX_RECENT_COUNT);\n\n    LocalStorage.set(RECENT_EMOJIS_STORAGE_KEY, JSON.stringify(newRecentEmojis));\n};\n\n/**\n * Get the actual emoji string from the short name.\n *\n * @param {String} shortName Emoji short name\n * @return {String|null}\n */\nconst getEmojiTextFromShortName = (shortName) => {\n    const unified = EmojiData.byShortName[shortName];\n\n    if (unified) {\n        const charCodes = unified.split('-').map(code => `0x${code}`);\n        return String.fromCodePoint.apply(null, charCodes);\n    } else {\n        return null;\n    }\n};\n\n/**\n * Render the auto complete list for the given short names.\n *\n * @param {Element} root The root container for the emoji auto complete\n * @param {Array} shortNames The list of short names for emoji suggestions to show\n */\nconst render = async (root, shortNames) => {\n    const renderContext = {\n        emojis: shortNames.map((shortName, index) => {\n            return {\n                active: index === 0,\n                emojitext: getEmojiTextFromShortName(shortName),\n                displayshortname: `:${shortName}:`,\n                shortname: shortName,\n                unified: EmojiData.byShortName[shortName]\n            };\n        })\n    };\n    const html = await renderTemplate('core/emoji/auto_complete', renderContext);\n    root.innerHTML = html;\n};\n\n/**\n * Get the list of emoji short names that include the given search term. 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The\n    // handler should only run 200 milliseconds after the last keypress.\n    textArea.addEventListener('keyup', debounce(() => {\n        // This is a \"keyup\" listener so that it only executes after the text area value\n        // has been updated.\n        const text = textArea.value;\n        const cursorPos = textArea.selectionStart;\n        const searchText = getWordFromPosition(text, cursorPos);\n\n        if (searchText === previousSearchText) {\n            // Nothing has changed so no need to take any action.\n            return;\n        } else {\n            previousSearchText = searchText;\n        }\n\n        if (isCompleteShortName(searchText)) {\n            // If the user has entered a full short name (with leading and trialing colons)\n            // then see if we can find a match for it and auto complete it.\n            const shortName = getShortNameFromText(searchText);\n            const emojiText = getEmojiTextFromShortName(shortName);\n            hasSuggestions = false;\n            if (emojiText) {\n                addRecentEmoji(EmojiData.byShortName[shortName], shortName);\n                selectCallback(emojiText);\n            }\n        } else if (isPartialShortName(searchText)) {\n            // If the user has entered a partial short name (leading colon but no trailing) then\n            // search on the text to see if we can find some suggestions for them.\n            const suggestions = searchEmojis(getShortNameFromText(searchText), SUGGESTION_LIMIT);\n\n            if (suggestions.length) {\n                render(root, suggestions);\n                hasSuggestions = true;\n            } else {\n                hasSuggestions = false;\n            }\n        } else {\n            hasSuggestions = false;\n        }\n\n        hasSuggestionCallback(hasSuggestions);\n    }, INPUT_DEBOUNCE_TIMER));\n\n    textArea.addEventListener('keydown', (e) => {\n        if (hasSuggestions) {\n            const isModifierPressed = (e.shiftKey || e.metaKey || e.altKey || e.ctrlKey);\n            if (!isModifierPressed) {\n                switch (e.which) {\n                    case KeyCodes.escape:\n                        // Escape key closes the auto complete.\n                        hasSuggestions = false;\n                        hasSuggestionCallback(false);\n                        break;\n                    case KeyCodes.arrowLeft:\n                        // Arrow keys navigate through the list of suggetions.\n                        selectPreviousEmojiSuggestion(root);\n                        e.preventDefault();\n                        break;\n                    case KeyCodes.arrowRight:\n                        // Arrow keys navigate through the list of suggetions.\n                        selectNextEmojiSuggestion(root);\n                        e.preventDefault();\n                        break;\n                    case KeyCodes.enter:\n                        // Enter key selects the current suggestion.\n                        selectEmojiElement(getActiveEmojiSuggestion(root), selectCallback);\n                        e.preventDefault();\n                        e.stopPropagation();\n                        break;\n                }\n            }\n        }\n    });\n\n    root.addEventListener('click', (e) => {\n        const target = e.target;\n        if (target.matches(SELECTORS.EMOJI_BUTTON)) {\n            selectEmojiElement(target, selectCallback);\n        }\n    });\n};"],"file":"auto_complete.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/emoji/picker.min.js b/lib/amd/build/emoji/picker.min.js
index 3b0991457e5..7fa874d760b 100644
--- a/lib/amd/build/emoji/picker.min.js
+++ b/lib/amd/build/emoji/picker.min.js
@@ -1,2 +1,2 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji picker.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport LocalStorage from 'core/localstorage';\nimport * as EmojiData from 'core/emoji/data';\nimport {throttle, debounce} from 'core/utils';\nimport {get_string} from 'core/str';\nimport {render as renderTemplate} from 'core/templates';\n\nconst VISIBLE_ROW_COUNT = 10;\nconst ROW_RENDER_BUFFER_COUNT = 5;\nconst RECENT_EMOJIS_STORAGE_KEY = 'moodle-recent-emojis';\nconst ROW_HEIGHT_RAW = 40;\nconst EMOJIS_PER_ROW = 7;\nconst MAX_RECENT_COUNT = EMOJIS_PER_ROW * 3;\nconst ROW_TYPE = {\n    EMOJI: 0,\n    HEADER: 1\n};\nconst SELECTORS = {\n    CATEGORY_SELECTOR: '[data-action=\"show-category\"]',\n    EMOJIS_CONTAINER: '[data-region=\"emojis-container\"]',\n    EMOJI_PREVIEW: '[data-region=\"emoji-preview\"]',\n    EMOJI_SHORT_NAME: '[data-region=\"emoji-short-name\"]',\n    ROW_CONTAINER: '[data-region=\"row-container\"]',\n    SEARCH_INPUT: '[data-region=\"search-input\"]',\n    SEARCH_RESULTS_CONTAINER: '[data-region=\"search-results-container\"]'\n};\n\n/**\n * Create the row data for a category.\n *\n * @param {String} categoryName The category name\n * @param {String} categoryDisplayName The category display name\n * @param {Array} emojis The emoji data\n * @param {Number} totalRowCount The total number of rows generated so far\n * @return {Array}\n */\nconst createRowDataForCategory = (categoryName, categoryDisplayName, emojis, totalRowCount) => {\n    const rowData = [];\n    rowData.push({\n        index: totalRowCount + rowData.length,\n        type: ROW_TYPE.HEADER,\n        data: {\n            name: categoryName,\n            displayName: categoryDisplayName\n        }\n    });\n\n    for (let i = 0; i < emojis.length; i += EMOJIS_PER_ROW) {\n        const rowEmojis = emojis.slice(i, i + EMOJIS_PER_ROW);\n        rowData.push({\n            index: totalRowCount + rowData.length,\n            type: ROW_TYPE.EMOJI,\n            data: rowEmojis\n        });\n    }\n\n    return rowData;\n};\n\n/**\n * Add each row's index to it's value in the row data.\n *\n * @param {Array} rowData List of emoji row data\n * @return {Array}\n */\nconst addIndexesToRowData = (rowData) => {\n    return rowData.map((data, index) => {\n        return {...data, index};\n    });\n};\n\n/**\n * Calculate the scroll position for the beginning of each category from\n * the row data.\n *\n * @param {Array} rowData List of emoji row data\n * @return {Object}\n */\nconst getCategoryScrollPositionsFromRowData = (rowData) => {\n    return rowData.reduce((carry, row, index) => {\n        if (row.type === ROW_TYPE.HEADER) {\n            carry[row.data.name] = index * ROW_HEIGHT_RAW;\n        }\n        return carry;\n    }, {});\n};\n\n/**\n * Create a header row element for the category name.\n *\n * @param {Number} rowIndex Index of the row in the row data\n * @param {String} name The category display name\n * @return {Element}\n */\nconst createHeaderRow = async (rowIndex, name) => {\n    const context = {\n        index: rowIndex,\n        text: name\n    };\n    const html = await renderTemplate('core/emoji/header_row', context);\n    const temp = document.createElement('div');\n    temp.innerHTML = html;\n    return temp.firstChild;\n};\n\n/**\n * Create an emoji row element.\n *\n * @param {Number} rowIndex Index of the row in the row data\n * @param {Array} emojis The list of emoji data for the row\n * @return {Element}\n */\nconst createEmojiRow = async (rowIndex, emojis) => {\n    const context = {\n        index: rowIndex,\n        emojis: emojis.map(emojiData => {\n            const charCodes = emojiData.unified.split('-').map(code => `0x${code}`);\n            const emojiText = String.fromCodePoint.apply(null, charCodes);\n            return {\n                shortnames: `:${emojiData.shortnames.join(': :')}:`,\n                unified: emojiData.unified,\n                text: emojiText,\n                spacer: false\n            };\n        }),\n        spacers: Array(EMOJIS_PER_ROW - emojis.length).fill(true)\n    };\n    const html = await renderTemplate('core/emoji/emoji_row', context);\n    const temp = document.createElement('div');\n    temp.innerHTML = html;\n    return temp.firstChild;\n};\n\n/**\n * Check if the element is an emoji element.\n *\n * @param {Element} element Element to check\n * @return {Bool}\n */\nconst isEmojiElement = element => element.getAttribute('data-short-names') !== null;\n\n/**\n * Search from an element and up through it's ancestors to fine the category\n * selector element and return it.\n *\n * @param {Element} element Element to begin searching from\n * @return {Element|null}\n */\nconst findCategorySelectorFromElement = element => {\n    if (!element) {\n        return null;\n    }\n\n    if (element.getAttribute('data-action') === 'show-category') {\n        return element;\n    } else {\n        return findCategorySelectorFromElement(element.parentElement);\n    }\n};\n\nconst getCategorySelectorByCategoryName = (root, name) => {\n    return root.querySelector(`[data-category=\"${name}\"]`);\n};\n\n/**\n * Sets the given category selector element as active.\n *\n * @param {Element} root The root picker element\n * @param {Element} element The category selector element to make active\n */\nconst setCategorySelectorActive = (root, element) => {\n    const allCategorySelectors = root.querySelectorAll(SELECTORS.CATEGORY_SELECTOR);\n\n    for (let i = 0; i < allCategorySelectors.length; i++) {\n        const selector = allCategorySelectors[i];\n        selector.classList.remove('selected');\n    }\n\n    element.classList.add('selected');\n};\n\n/**\n * Get the category selector element and the scroll positions for the previous and\n * next categories for the given scroll position.\n *\n * @param {Element} root The picker root element\n * @param {Number} position The position to get the category for\n * @param {Object} categoryScrollPositions Set of scroll positions for all categories\n * @return {Array}\n */\nconst getCategoryByScrollPosition = (root, position, categoryScrollPositions) => {\n    let positions = [];\n\n    if (position < 0) {\n        position = 0;\n    }\n\n    // Get all of the category positions.\n    for (const categoryName in categoryScrollPositions) {\n        const categoryPosition = categoryScrollPositions[categoryName];\n        positions.push([categoryPosition, categoryName]);\n    }\n\n    // Sort the positions in ascending order.\n    positions.sort(([a], [b]) => {\n        if (a < b) {\n            return -1;\n        } else if (a > b) {\n            return 1;\n        } else {\n            return 0;\n        }\n    });\n\n    // Get the current category name as well as the previous and next category\n    // positions from the sorted list of positions.\n    const {categoryName, previousPosition, nextPosition} = positions.reduce(\n        (carry, candidate) => {\n            const [categoryPosition, categoryName] = candidate;\n\n            if (categoryPosition <= position) {\n                carry.categoryName = categoryName;\n                carry.previousPosition = carry.currentPosition;\n                carry.currentPosition = position;\n            } else if (carry.nextPosition === null) {\n                carry.nextPosition = categoryPosition;\n            }\n\n            return carry;\n        },\n        {\n            categoryName: null,\n            currentPosition: null,\n            previousPosition: null,\n            nextPosition: null\n        }\n    );\n\n    return [getCategorySelectorByCategoryName(root, categoryName), previousPosition, nextPosition];\n};\n\n/**\n * Get the list of recent emojis data from local storage.\n *\n * @return {Array}\n */\nconst getRecentEmojis = () => {\n    const storedData = LocalStorage.get(RECENT_EMOJIS_STORAGE_KEY);\n    return storedData ? JSON.parse(storedData) : [];\n};\n\n/**\n * Save the list of recent emojis in local storage.\n *\n * @param {Array} recentEmojis List of emoji data to save\n */\nconst saveRecentEmoji = (recentEmojis) => {\n    LocalStorage.set(RECENT_EMOJIS_STORAGE_KEY, JSON.stringify(recentEmojis));\n};\n\n/**\n * Add an emoji data to the set of recent emojis. This function will update the row\n * data to ensure that the recent emoji rows are correct and all of the rows are\n * re-indexed.\n *\n * The new set of recent emojis are saved in local storage and the full set of updated\n * row data and new emoji row count are returned.\n *\n * @param {Array} rowData The emoji rows data\n * @param {Number} recentEmojiRowCount Count of the recent emoji rows\n * @param {Object} newEmoji The emoji data for the emoji to add to the recent emoji list\n * @return {Array}\n */\nconst addRecentEmoji = (rowData, recentEmojiRowCount, newEmoji) => {\n    // The first set of rows is always the recent emojis.\n    const categoryName = rowData[0].data.name;\n    const categoryDisplayName = rowData[0].data.displayName;\n    const recentEmojis = getRecentEmojis();\n    // Add the new emoji to the start of the list of recent emojis.\n    let newRecentEmojis = [newEmoji, ...recentEmojis.filter(emoji => emoji.unified != newEmoji.unified)];\n    // Limit the number of recent emojis.\n    newRecentEmojis = newRecentEmojis.slice(0, MAX_RECENT_COUNT);\n    const newRecentEmojiRowData = createRowDataForCategory(categoryName, categoryDisplayName, newRecentEmojis);\n\n    // Save the new list in local storage.\n    saveRecentEmoji(newRecentEmojis);\n\n    return [\n        // Return the new rowData and re-index it to make sure it's all correct.\n        addIndexesToRowData(newRecentEmojiRowData.concat(rowData.slice(recentEmojiRowCount))),\n        newRecentEmojiRowData.length\n    ];\n};\n\n/**\n * Calculate which rows should be visible based on the given scroll position. Adds a\n * buffer to amount to either side of the total number of requested rows so that\n * scrolling the emoji rows container is smooth.\n *\n * @param {Number} scrollPosition Scroll position within the emoji container\n * @param {Number} visibleRowCount How many rows should be visible\n * @param {Array} rowData The emoji rows data\n * @return {Array}\n */\nconst getRowsToRender = (scrollPosition, visibleRowCount, rowData) => {\n    const minVisibleRow = scrollPosition > ROW_HEIGHT_RAW ? Math.floor(scrollPosition / ROW_HEIGHT_RAW) : 0;\n    const start = minVisibleRow >= ROW_RENDER_BUFFER_COUNT ? minVisibleRow - ROW_RENDER_BUFFER_COUNT : minVisibleRow;\n    const end = minVisibleRow + visibleRowCount + ROW_RENDER_BUFFER_COUNT;\n    const rows = rowData.slice(start, end);\n    return rows;\n};\n\n/**\n * Create a row element from the row data.\n *\n * @param {Object} rowData The emoji row data\n * @return {Element}\n */\nconst createRowElement = async (rowData) => {\n    let row = null;\n    if (rowData.type === ROW_TYPE.HEADER) {\n        row = await createHeaderRow(rowData.index, rowData.data.displayName);\n    } else {\n        row = await createEmojiRow(rowData.index, rowData.data);\n    }\n\n    row.style.position = 'absolute';\n    row.style.left = 0;\n    row.style.right = 0;\n    row.style.top = `${rowData.index * ROW_HEIGHT_RAW}px`;\n\n    return row;\n};\n\n/**\n * Check if the given rows match.\n *\n * @param {Object} a The first row\n * @param {Object} b The second row\n * @return {Bool}\n */\nconst doRowsMatch = (a, b) => {\n    if (a.index !== b.index) {\n        return false;\n    }\n\n    if (a.type !== b.type) {\n        return false;\n    }\n\n    if (typeof a.data != typeof b.data) {\n        return false;\n    }\n\n    if (a.type === ROW_TYPE.HEADER) {\n        return a.data.name === b.data.name;\n    } else {\n        if (a.data.length !== b.data.length) {\n            return false;\n        }\n\n        for (let i = 0; i < a.data.length; i++) {\n            if (a.data[i].unified != b.data[i].unified) {\n                return false;\n            }\n        }\n    }\n\n    return true;\n};\n\n/**\n * Update the visible rows. Deletes any row elements that should no longer\n * be visible and creates the newly visible row elements. Any rows that haven't\n * changed visibility will be left untouched.\n *\n * @param {Element} rowContainer The container element for the emoji rows\n * @param {Array} currentRows List of row data that matches the currently visible rows\n * @param {Array} nextRows List of row data containing the new list of rows to be made visible\n */\nconst renderRows = async (rowContainer, currentRows, nextRows) => {\n    // We need to add any rows that are in nextRows but not in currentRows.\n    const toAdd = nextRows.filter(nextRow => !currentRows.some(currentRow => doRowsMatch(currentRow, nextRow)));\n    // Remember which rows will still be visible so that we can insert our element in the correct place in the DOM.\n    let toKeep = currentRows.filter(currentRow => nextRows.some(nextRow => doRowsMatch(currentRow, nextRow)));\n    // We need to remove any rows that are in currentRows but not in nextRows.\n    const toRemove = currentRows.filter(currentRow => !nextRows.some(nextRow => doRowsMatch(currentRow, nextRow)));\n    const toRemoveElements = toRemove.map(rowData => rowContainer.querySelectorAll(`[data-row=\"${rowData.index}\"]`));\n\n    // Render all of the templates first.\n    const rows = await Promise.all(toAdd.map(rowData => createRowElement(rowData)));\n\n    rows.forEach((row, index) => {\n        const rowData = toAdd[index];\n        let nextRowIndex = null;\n\n        for (let i = 0; i < toKeep.length; i++) {\n            const candidate = toKeep[i];\n            if (candidate.index > rowData.index) {\n                nextRowIndex = i;\n                break;\n            }\n        }\n\n        // Make sure the elements get added to the DOM in the correct order (ascending by row data index)\n        // so that they appear naturally in the tab order.\n        if (nextRowIndex !== null) {\n            const nextRowData = toKeep[nextRowIndex];\n            const nextRowNode = rowContainer.querySelector(`[data-row=\"${nextRowData.index}\"]`);\n\n            rowContainer.insertBefore(row, nextRowNode);\n            toKeep.splice(nextRowIndex, 0, toKeep);\n        } else {\n            toKeep.push(rowData);\n            rowContainer.appendChild(row);\n        }\n    });\n\n    toRemoveElements.forEach(rows => {\n        for (let i = 0; i < rows.length; i++) {\n            const row = rows[i];\n            rowContainer.removeChild(row);\n        }\n    });\n};\n\n/**\n * Build a function to render the visible emoji rows for a given scroll\n * position.\n *\n * @param {Element} rowContainer The container element for the emoji rows\n * @return {Function}\n */\nconst generateRenderRowsAtPositionFunction = (rowContainer) => {\n    let currentRows = [];\n    let nextRows = [];\n    let rowCount = 0;\n    let isRendering = false;\n    const renderNextRows = async () => {\n        if (!nextRows.length) {\n            return;\n        }\n\n        if (isRendering) {\n            return;\n        }\n\n        isRendering = true;\n        const nextRowsToRender = nextRows.slice();\n        nextRows = [];\n\n        await renderRows(rowContainer, currentRows, nextRowsToRender);\n        currentRows = nextRowsToRender;\n        isRendering = false;\n        renderNextRows();\n    };\n\n    return (scrollPosition, rowData, rowLimit = VISIBLE_ROW_COUNT) => {\n        nextRows = getRowsToRender(scrollPosition, rowLimit, rowData);\n        renderNextRows();\n\n        if (rowCount !== rowData.length) {\n            // Adjust the height of the container to match the number of rows.\n            rowContainer.style.height = `${rowData.length * ROW_HEIGHT_RAW}px`;\n        }\n\n        rowCount = rowData.length;\n    };\n};\n\n/**\n * Show the search results container and hide the emoji container.\n *\n * @param {Element} emojiContainer The emojis container\n * @param {Element} searchResultsContainer The search results container\n */\nconst showSearchResults = (emojiContainer, searchResultsContainer) => {\n    searchResultsContainer.classList.remove('hidden');\n    emojiContainer.classList.add('hidden');\n};\n\n/**\n * Hide the search result container and show the emojis container.\n *\n * @param {Element} emojiContainer The emojis container\n * @param {Element} searchResultsContainer The search results container\n * @param {Element} searchInput The search input\n */\nconst clearSearch = (emojiContainer, searchResultsContainer, searchInput) => {\n    searchResultsContainer.classList.add('hidden');\n    emojiContainer.classList.remove('hidden');\n    searchInput.value = '';\n};\n\n/**\n * Build function to handle mouse hovering an emoji. Shows the preview.\n *\n * @param {Element} emojiPreview The emoji preview element\n * @param {Element} emojiShortName The emoji short name element\n * @return {Function}\n */\nconst getHandleMouseEnter = (emojiPreview, emojiShortName) => {\n    return (e) => {\n        const target = e.target;\n        if (isEmojiElement(target)) {\n            emojiShortName.textContent = target.getAttribute('data-short-names');\n            emojiPreview.textContent = target.textContent;\n        }\n    };\n};\n\n/**\n * Build function to handle mouse leaving an emoji. Removes the preview.\n *\n * @param {Element} emojiPreview The emoji preview element\n * @param {Element} emojiShortName The emoji short name element\n * @return {Function}\n */\nconst getHandleMouseLeave = (emojiPreview, emojiShortName) => {\n    return (e) => {\n        const target = e.target;\n        if (isEmojiElement(target)) {\n            emojiShortName.textContent = '';\n            emojiPreview.textContent = '';\n        }\n    };\n};\n\n/**\n * Build the function to handle a user clicking something in the picker.\n *\n * The function currently handles clicking on the category selector or selecting\n * a specific emoji.\n *\n * @param {Number} recentEmojiRowCount Number of rows of recent emojis\n * @param {Element} emojiContainer Container element for the visible of emojis\n * @param {Element} searchResultsContainer Contaienr element for the search results\n * @param {Element} searchInput Search input element\n * @param {Function} selectCallback Callback function to execute when a user selects an emoji\n * @param {Function} renderAtPosition Render function to display current visible emojis\n * @return {Function}\n */\nconst getHandleClick = (\n    recentEmojiRowCount,\n    emojiContainer,\n    searchResultsContainer,\n    searchInput,\n    selectCallback,\n    renderAtPosition\n) => {\n    return (e, rowData, categoryScrollPositions) => {\n        const target = e.target;\n        let newRowData = rowData;\n        let newCategoryScrollPositions = categoryScrollPositions;\n\n        // Hide the search results if they are visible.\n        clearSearch(emojiContainer, searchResultsContainer, searchInput);\n\n        if (isEmojiElement(target)) {\n            // Emoji selected.\n            const unified = target.getAttribute('data-unified');\n            const shortnames = target.getAttribute('data-short-names').replace(/:/g, '').split(' ');\n            // Build the emoji data from the selected element.\n            const emojiData = {unified, shortnames};\n            const currentScrollTop = emojiContainer.scrollTop;\n            const isRecentEmojiRowVisible = emojiContainer.querySelector(`[data-row=\"${recentEmojiRowCount - 1}\"]`) !== null;\n            // Save the selected emoji in the recent emojis list.\n            [newRowData, recentEmojiRowCount] = addRecentEmoji(rowData, recentEmojiRowCount, emojiData);\n            // Re-index the category scroll positions because the additional recent emoji may have\n            // changed their positions.\n            newCategoryScrollPositions = getCategoryScrollPositionsFromRowData(newRowData);\n\n            if (isRecentEmojiRowVisible) {\n                // If the list of recent emojis is currently visible then we need to re-render the emojis\n                // to update the display and show the newly selected recent emoji.\n                renderAtPosition(currentScrollTop, newRowData);\n            }\n\n            // Call the client's callback function with the selected emoji.\n            selectCallback(target.textContent);\n            // Return the newly calculated row data and scroll positions.\n            return [newRowData, newCategoryScrollPositions];\n        }\n\n        const categorySelector = findCategorySelectorFromElement(target);\n        if (categorySelector) {\n            // Category selector.\n            const selectedCategory = categorySelector.getAttribute('data-category');\n            const position = categoryScrollPositions[selectedCategory];\n            // Scroll the container to the selected category. This will trigger the\n            // on scroll handler to re-render the visibile emojis.\n            emojiContainer.scrollTop = position;\n        }\n\n        return [newRowData, newCategoryScrollPositions];\n    };\n};\n\n/**\n * Build the function that handles scrolling of the emoji container to display the\n * correct emojis.\n *\n * We render the emoji rows as they are needed rather than all up front so that we\n * can avoid adding tends of thousands of elements to the DOM unnecessarily which\n * would bog down performance.\n *\n * @param {Element} root The picker root element\n * @param {Number} currentVisibleRowScrollPosition The current scroll position of the container\n * @param {Element} emojiContainer The emojis container element\n * @param {Object} initialCategoryScrollPositions Scroll positions for each category\n * @param {Function} renderAtPosition Function to render the appropriate emojis for a scroll position\n * @return {Function}\n */\nconst getHandleScroll = (\n    root,\n    currentVisibleRowScrollPosition,\n    emojiContainer,\n    initialCategoryScrollPositions,\n    renderAtPosition\n) => {\n    // Scope some local variables to track the scroll positions of the categories. We need to\n    // recalculate these because adding recent emojis can change those positions by adding\n    // additional rows.\n    let [\n        currentCategoryElement,\n        previousCategoryPosition,\n        nextCategoryPosition\n    ] = getCategoryByScrollPosition(root, emojiContainer.scrollTop, initialCategoryScrollPositions);\n\n    return (categoryScrollPositions, rowData) => {\n        const newScrollPosition = emojiContainer.scrollTop;\n        const upperScrollBound = currentVisibleRowScrollPosition + ROW_HEIGHT_RAW;\n        const lowerScrollBound = currentVisibleRowScrollPosition - ROW_HEIGHT_RAW;\n        // We only need to update the active category indicator if the user has scrolled into a\n        // new category scroll position.\n        const updateActiveCategory = (newScrollPosition >= nextCategoryPosition) ||\n                       (newScrollPosition < previousCategoryPosition);\n        // We only need to render new emoji rows if the user has scrolled far enough that a new row\n        // would be visible (i.e. they've scrolled up or down more than 40px - the height of a row).\n        const updateRenderRows = (newScrollPosition < lowerScrollBound) || (newScrollPosition > upperScrollBound);\n\n        if (updateActiveCategory) {\n            // New category is visible so update the active category selector and re-index the\n            // positions incase anything has changed.\n            [\n                currentCategoryElement,\n                previousCategoryPosition,\n                nextCategoryPosition\n            ] = getCategoryByScrollPosition(root, newScrollPosition, categoryScrollPositions);\n            setCategorySelectorActive(root, currentCategoryElement);\n        }\n\n        if (updateRenderRows) {\n            // A new row should be visible so re-render the visible emojis at this new position.\n            // We request an animation frame from the browser so that we're not blocking anything.\n            // The animation only needs to occur as soon as the browser is ready not immediately.\n            requestAnimationFrame(() => {\n                renderAtPosition(newScrollPosition, rowData);\n                // Remember the updated position.\n                currentVisibleRowScrollPosition = newScrollPosition;\n            });\n        }\n    };\n};\n\n/**\n * Build the function that handles search input from the user.\n *\n * @param {Element} searchInput The search input element\n * @param {Element} searchResultsContainer Container element to display the search results\n * @param {Element} emojiContainer Container element for the emoji rows\n * @return {Function}\n */\nconst getHandleSearch = (searchInput, searchResultsContainer, emojiContainer) => {\n    const rowContainer = searchResultsContainer.querySelector(SELECTORS.ROW_CONTAINER);\n    // Build a render function for the search results.\n    const renderSearchResultsAtPosition = generateRenderRowsAtPositionFunction(rowContainer);\n    searchResultsContainer.appendChild(rowContainer);\n\n    return async () => {\n        const searchTerm = searchInput.value.toLowerCase();\n\n        if (searchTerm) {\n            // Display the search results container and hide the emojis container.\n            showSearchResults(emojiContainer, searchResultsContainer);\n\n            // Find which emojis match the user's search input.\n            const matchingEmojis = Object.keys(EmojiData.byShortName).reduce((carry, shortName) => {\n                if (shortName.includes(searchTerm)) {\n                    carry.push({\n                        shortnames: [shortName],\n                        unified: EmojiData.byShortName[shortName]\n                    });\n                }\n                return carry;\n            }, []);\n\n            const searchResultsString = await get_string('searchresults', 'core');\n            const rowData = createRowDataForCategory(searchResultsString, searchResultsString, matchingEmojis, 0);\n            // Show the emoji rows for the search results.\n            renderSearchResultsAtPosition(0, rowData, rowData.length);\n        } else {\n            // Hide the search container and show the emojis container.\n            clearSearch(emojiContainer, searchResultsContainer, searchInput);\n        }\n    };\n};\n\n/**\n * Register the emoji picker event listeners.\n *\n * @param {Element} root The picker root element\n * @param {Element} emojiContainer Root element containing the list of visible emojis\n * @param {Function} renderAtPosition Function to render the visible emojis at a given scroll position\n * @param {Number} currentVisibleRowScrollPosition What is the current scroll position\n * @param {Function} selectCallback Function to execute when the user picks an emoji\n * @param {Object} categoryScrollPositions Scroll positions for where each of the emoji categories begin\n * @param {Array} rowData Data representing each of the display rows for hte emoji container\n * @param {Number} recentEmojiRowCount Number of rows of recent emojis\n */\nconst registerEventListeners = (\n    root,\n    emojiContainer,\n    renderAtPosition,\n    currentVisibleRowScrollPosition,\n    selectCallback,\n    categoryScrollPositions,\n    rowData,\n    recentEmojiRowCount\n) => {\n    const searchInput = root.querySelector(SELECTORS.SEARCH_INPUT);\n    const searchResultsContainer = root.querySelector(SELECTORS.SEARCH_RESULTS_CONTAINER);\n    const emojiPreview = root.querySelector(SELECTORS.EMOJI_PREVIEW);\n    const emojiShortName = root.querySelector(SELECTORS.EMOJI_SHORT_NAME);\n    // Build the click handler function.\n    const clickHandler = getHandleClick(\n        recentEmojiRowCount,\n        emojiContainer,\n        searchResultsContainer,\n        searchInput,\n        selectCallback,\n        renderAtPosition\n    );\n    // Build the scroll handler function.\n    const scrollHandler = getHandleScroll(\n        root,\n        currentVisibleRowScrollPosition,\n        emojiContainer,\n        categoryScrollPositions,\n        renderAtPosition\n    );\n    const searchHandler = getHandleSearch(searchInput, searchResultsContainer, emojiContainer);\n\n    // Mouse enter/leave events to show the emoji preview on hover or focus.\n    root.addEventListener('focus', getHandleMouseEnter(emojiPreview, emojiShortName), true);\n    root.addEventListener('blur', getHandleMouseLeave(emojiPreview, emojiShortName), true);\n    root.addEventListener('mouseenter', getHandleMouseEnter(emojiPreview, emojiShortName), true);\n    root.addEventListener('mouseleave', getHandleMouseLeave(emojiPreview, emojiShortName), true);\n    // User selects an emoji or clicks on one of the emoji category selectors.\n    root.addEventListener('click', e => {\n        // Update the row data and category scroll positions because they may have changes if the\n        // user selects an emoji which updates the recent emojis list.\n        [rowData, categoryScrollPositions] = clickHandler(e, rowData, categoryScrollPositions);\n    });\n    // Throttle the scroll event to only execute once every 50 milliseconds to prevent performance issues\n    // in the browser when re-rendering the picker emojis. The scroll event fires a lot otherwise.\n    emojiContainer.addEventListener('scroll', throttle(() => scrollHandler(categoryScrollPositions, rowData), 50));\n    // Debounce the search input so that it only executes 200 milliseconds after the user has finished typing.\n    searchInput.addEventListener('input', debounce(searchHandler, 200));\n};\n\n/**\n * Initialise the emoji picker.\n *\n * @param {Element} root The root element for the picker\n * @param {Function} selectCallback Callback for when the user selects an emoji\n */\nexport default (root, selectCallback) => {\n    const emojiContainer = root.querySelector(SELECTORS.EMOJIS_CONTAINER);\n    const rowContainer = emojiContainer.querySelector(SELECTORS.ROW_CONTAINER);\n    const recentEmojis = getRecentEmojis();\n    // Add the recent emojis category to the list of standard categories.\n    const allData = [{\n        name: 'Recent',\n        emojis: recentEmojis\n    }, ...EmojiData.byCategory];\n    let rowData = [];\n    let recentEmojiRowCount = 0;\n\n    /**\n     * Split categories data into rows which represent how they will be displayed in the\n     * picker. Each category will add a row containing the display name for the category\n     * and a row for every 9 emojis in the category. The row data will be used to calculate\n     * which emojis should be visible in the picker at any given time.\n     *\n     * E.g.\n     * input = [\n     *  {name: 'example1', emojis: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]},\n     *  {name: 'example2', emojis: [13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23]},\n     * ]\n     * output = [\n     *      {type: 'categoryName': data: 'Example 1'},\n     *      {type: 'emojiRow': data: [1, 2, 3, 4, 5, 6, 7, 8, 9]},\n     *      {type: 'emojiRow': data: [10, 11, 12]},\n     *      {type: 'categoryName': data: 'Example 2'},\n     *      {type: 'emojiRow': data: [13, 14, 15, 16, 17, 18, 19, 20, 21]},\n     *      {type: 'emojiRow': data: [22, 23]},\n     * ]\n     */\n    allData.forEach(category => {\n        const categorySelector = getCategorySelectorByCategoryName(root, category.name);\n        // Get the display name from the category selector button so that we don't need to\n        // send an ajax request for the string.\n        const categoryDisplayName = categorySelector.title;\n        const categoryRowData = createRowDataForCategory(category.name, categoryDisplayName, category.emojis, rowData.length);\n\n        if (category.name === 'Recent') {\n            // Remember how many recent emoji rows there are because it needs to be used to\n            // re-index the row data later when we're adding more recent emojis.\n            recentEmojiRowCount = categoryRowData.length;\n        }\n\n        rowData = rowData.concat(categoryRowData);\n    });\n\n    // Index the row data so that we can calculate which rows should be visible.\n    rowData = addIndexesToRowData(rowData);\n    // Calculate the scroll positions for each of the categories within the emoji container.\n    // These are used to know where to jump to when the user selects a specific category.\n    const categoryScrollPositions = getCategoryScrollPositionsFromRowData(rowData);\n    const renderAtPosition = generateRenderRowsAtPositionFunction(rowContainer);\n    // Display the initial set of emojis.\n    renderAtPosition(0, rowData);\n\n    registerEventListeners(\n        root,\n        emojiContainer,\n        renderAtPosition,\n        0,\n        selectCallback,\n        categoryScrollPositions,\n        rowData,\n        recentEmojiRowCount\n    );\n};"],"file":"picker.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji picker.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport LocalStorage from 'core/localstorage';\nimport * as EmojiData from 'core/emoji/data';\nimport {throttle, debounce} from 'core/utils';\nimport {get_string} from 'core/str';\nimport {render as renderTemplate} from 'core/templates';\n\nconst VISIBLE_ROW_COUNT = 10;\nconst ROW_RENDER_BUFFER_COUNT = 5;\nconst RECENT_EMOJIS_STORAGE_KEY = 'moodle-recent-emojis';\nconst ROW_HEIGHT_RAW = 40;\nconst EMOJIS_PER_ROW = 7;\nconst MAX_RECENT_COUNT = EMOJIS_PER_ROW * 3;\nconst ROW_TYPE = {\n    EMOJI: 0,\n    HEADER: 1\n};\nconst SELECTORS = {\n    CATEGORY_SELECTOR: '[data-action=\"show-category\"]',\n    EMOJIS_CONTAINER: '[data-region=\"emojis-container\"]',\n    EMOJI_PREVIEW: '[data-region=\"emoji-preview\"]',\n    EMOJI_SHORT_NAME: '[data-region=\"emoji-short-name\"]',\n    ROW_CONTAINER: '[data-region=\"row-container\"]',\n    SEARCH_INPUT: '[data-region=\"search-input\"]',\n    SEARCH_RESULTS_CONTAINER: '[data-region=\"search-results-container\"]'\n};\n\n/**\n * Create the row data for a category.\n *\n * @param {String} categoryName The category name\n * @param {String} categoryDisplayName The category display name\n * @param {Array} emojis The emoji data\n * @param {Number} totalRowCount The total number of rows generated so far\n * @return {Array}\n */\nconst createRowDataForCategory = (categoryName, categoryDisplayName, emojis, totalRowCount) => {\n    const rowData = [];\n    rowData.push({\n        index: totalRowCount + rowData.length,\n        type: ROW_TYPE.HEADER,\n        data: {\n            name: categoryName,\n            displayName: categoryDisplayName\n        }\n    });\n\n    for (let i = 0; i < emojis.length; i += EMOJIS_PER_ROW) {\n        const rowEmojis = emojis.slice(i, i + EMOJIS_PER_ROW);\n        rowData.push({\n            index: totalRowCount + rowData.length,\n            type: ROW_TYPE.EMOJI,\n            data: rowEmojis\n        });\n    }\n\n    return rowData;\n};\n\n/**\n * Add each row's index to it's value in the row data.\n *\n * @param {Array} rowData List of emoji row data\n * @return {Array}\n */\nconst addIndexesToRowData = (rowData) => {\n    return rowData.map((data, index) => {\n        return {...data, index};\n    });\n};\n\n/**\n * Calculate the scroll position for the beginning of each category from\n * the row data.\n *\n * @param {Array} rowData List of emoji row data\n * @return {Object}\n */\nconst getCategoryScrollPositionsFromRowData = (rowData) => {\n    return rowData.reduce((carry, row, index) => {\n        if (row.type === ROW_TYPE.HEADER) {\n            carry[row.data.name] = index * ROW_HEIGHT_RAW;\n        }\n        return carry;\n    }, {});\n};\n\n/**\n * Create a header row element for the category name.\n *\n * @param {Number} rowIndex Index of the row in the row data\n * @param {String} name The category display name\n * @return {Element}\n */\nconst createHeaderRow = async (rowIndex, name) => {\n    const context = {\n        index: rowIndex,\n        text: name\n    };\n    const html = await renderTemplate('core/emoji/header_row', context);\n    const temp = document.createElement('div');\n    temp.innerHTML = html;\n    return temp.firstChild;\n};\n\n/**\n * Create an emoji row element.\n *\n * @param {Number} rowIndex Index of the row in the row data\n * @param {Array} emojis The list of emoji data for the row\n * @return {Element}\n */\nconst createEmojiRow = async (rowIndex, emojis) => {\n    const context = {\n        index: rowIndex,\n        emojis: emojis.map(emojiData => {\n            const charCodes = emojiData.unified.split('-').map(code => `0x${code}`);\n            const emojiText = String.fromCodePoint.apply(null, charCodes);\n            return {\n                shortnames: `:${emojiData.shortnames.join(': :')}:`,\n                unified: emojiData.unified,\n                text: emojiText,\n                spacer: false\n            };\n        }),\n        spacers: Array(EMOJIS_PER_ROW - emojis.length).fill(true)\n    };\n    const html = await renderTemplate('core/emoji/emoji_row', context);\n    const temp = document.createElement('div');\n    temp.innerHTML = html;\n    return temp.firstChild;\n};\n\n/**\n * Check if the element is an emoji element.\n *\n * @param {Element} element Element to check\n * @return {Bool}\n */\nconst isEmojiElement = element => element.getAttribute('data-short-names') !== null;\n\n/**\n * Search from an element and up through it's ancestors to fine the category\n * selector element and return it.\n *\n * @param {Element} element Element to begin searching from\n * @return {Element|null}\n */\nconst findCategorySelectorFromElement = element => {\n    if (!element) {\n        return null;\n    }\n\n    if (element.getAttribute('data-action') === 'show-category') {\n        return element;\n    } else {\n        return findCategorySelectorFromElement(element.parentElement);\n    }\n};\n\nconst getCategorySelectorByCategoryName = (root, name) => {\n    return root.querySelector(`[data-category=\"${name}\"]`);\n};\n\n/**\n * Sets the given category selector element as active.\n *\n * @param {Element} root The root picker element\n * @param {Element} element The category selector element to make active\n */\nconst setCategorySelectorActive = (root, element) => {\n    const allCategorySelectors = root.querySelectorAll(SELECTORS.CATEGORY_SELECTOR);\n\n    for (let i = 0; i < allCategorySelectors.length; i++) {\n        const selector = allCategorySelectors[i];\n        selector.classList.remove('selected');\n    }\n\n    element.classList.add('selected');\n};\n\n/**\n * Get the category selector element and the scroll positions for the previous and\n * next categories for the given scroll position.\n *\n * @param {Element} root The picker root element\n * @param {Number} position The position to get the category for\n * @param {Object} categoryScrollPositions Set of scroll positions for all categories\n * @return {Array}\n */\nconst getCategoryByScrollPosition = (root, position, categoryScrollPositions) => {\n    let positions = [];\n\n    if (position < 0) {\n        position = 0;\n    }\n\n    // Get all of the category positions.\n    for (const categoryName in categoryScrollPositions) {\n        const categoryPosition = categoryScrollPositions[categoryName];\n        positions.push([categoryPosition, categoryName]);\n    }\n\n    // Sort the positions in ascending order.\n    positions.sort(([a], [b]) => {\n        if (a < b) {\n            return -1;\n        } else if (a > b) {\n            return 1;\n        } else {\n            return 0;\n        }\n    });\n\n    // Get the current category name as well as the previous and next category\n    // positions from the sorted list of positions.\n    const {categoryName, previousPosition, nextPosition} = positions.reduce(\n        (carry, candidate) => {\n            const [categoryPosition, categoryName] = candidate;\n\n            if (categoryPosition <= position) {\n                carry.categoryName = categoryName;\n                carry.previousPosition = carry.currentPosition;\n                carry.currentPosition = position;\n            } else if (carry.nextPosition === null) {\n                carry.nextPosition = categoryPosition;\n            }\n\n            return carry;\n        },\n        {\n            categoryName: null,\n            currentPosition: null,\n            previousPosition: null,\n            nextPosition: null\n        }\n    );\n\n    return [getCategorySelectorByCategoryName(root, categoryName), previousPosition, nextPosition];\n};\n\n/**\n * Get the list of recent emojis data from local storage.\n *\n * @return {Array}\n */\nconst getRecentEmojis = () => {\n    const storedData = LocalStorage.get(RECENT_EMOJIS_STORAGE_KEY);\n    return storedData ? JSON.parse(storedData) : [];\n};\n\n/**\n * Save the list of recent emojis in local storage.\n *\n * @param {Array} recentEmojis List of emoji data to save\n */\nconst saveRecentEmoji = (recentEmojis) => {\n    LocalStorage.set(RECENT_EMOJIS_STORAGE_KEY, JSON.stringify(recentEmojis));\n};\n\n/**\n * Add an emoji data to the set of recent emojis. This function will update the row\n * data to ensure that the recent emoji rows are correct and all of the rows are\n * re-indexed.\n *\n * The new set of recent emojis are saved in local storage and the full set of updated\n * row data and new emoji row count are returned.\n *\n * @param {Array} rowData The emoji rows data\n * @param {Number} recentEmojiRowCount Count of the recent emoji rows\n * @param {Object} newEmoji The emoji data for the emoji to add to the recent emoji list\n * @return {Array}\n */\nconst addRecentEmoji = (rowData, recentEmojiRowCount, newEmoji) => {\n    // The first set of rows is always the recent emojis.\n    const categoryName = rowData[0].data.name;\n    const categoryDisplayName = rowData[0].data.displayName;\n    const recentEmojis = getRecentEmojis();\n    // Add the new emoji to the start of the list of recent emojis.\n    let newRecentEmojis = [newEmoji, ...recentEmojis.filter(emoji => emoji.unified != newEmoji.unified)];\n    // Limit the number of recent emojis.\n    newRecentEmojis = newRecentEmojis.slice(0, MAX_RECENT_COUNT);\n    const newRecentEmojiRowData = createRowDataForCategory(categoryName, categoryDisplayName, newRecentEmojis);\n\n    // Save the new list in local storage.\n    saveRecentEmoji(newRecentEmojis);\n\n    return [\n        // Return the new rowData and re-index it to make sure it's all correct.\n        addIndexesToRowData(newRecentEmojiRowData.concat(rowData.slice(recentEmojiRowCount))),\n        newRecentEmojiRowData.length\n    ];\n};\n\n/**\n * Calculate which rows should be visible based on the given scroll position. Adds a\n * buffer to amount to either side of the total number of requested rows so that\n * scrolling the emoji rows container is smooth.\n *\n * @param {Number} scrollPosition Scroll position within the emoji container\n * @param {Number} visibleRowCount How many rows should be visible\n * @param {Array} rowData The emoji rows data\n * @return {Array}\n */\nconst getRowsToRender = (scrollPosition, visibleRowCount, rowData) => {\n    const minVisibleRow = scrollPosition > ROW_HEIGHT_RAW ? Math.floor(scrollPosition / ROW_HEIGHT_RAW) : 0;\n    const start = minVisibleRow >= ROW_RENDER_BUFFER_COUNT ? minVisibleRow - ROW_RENDER_BUFFER_COUNT : minVisibleRow;\n    const end = minVisibleRow + visibleRowCount + ROW_RENDER_BUFFER_COUNT;\n    const rows = rowData.slice(start, end);\n    return rows;\n};\n\n/**\n * Create a row element from the row data.\n *\n * @param {Object} rowData The emoji row data\n * @return {Element}\n */\nconst createRowElement = async (rowData) => {\n    let row = null;\n    if (rowData.type === ROW_TYPE.HEADER) {\n        row = await createHeaderRow(rowData.index, rowData.data.displayName);\n    } else {\n        row = await createEmojiRow(rowData.index, rowData.data);\n    }\n\n    row.style.position = 'absolute';\n    row.style.left = 0;\n    row.style.right = 0;\n    row.style.top = `${rowData.index * ROW_HEIGHT_RAW}px`;\n\n    return row;\n};\n\n/**\n * Check if the given rows match.\n *\n * @param {Object} a The first row\n * @param {Object} b The second row\n * @return {Bool}\n */\nconst doRowsMatch = (a, b) => {\n    if (a.index !== b.index) {\n        return false;\n    }\n\n    if (a.type !== b.type) {\n        return false;\n    }\n\n    if (typeof a.data != typeof b.data) {\n        return false;\n    }\n\n    if (a.type === ROW_TYPE.HEADER) {\n        return a.data.name === b.data.name;\n    } else {\n        if (a.data.length !== b.data.length) {\n            return false;\n        }\n\n        for (let i = 0; i < a.data.length; i++) {\n            if (a.data[i].unified != b.data[i].unified) {\n                return false;\n            }\n        }\n    }\n\n    return true;\n};\n\n/**\n * Update the visible rows. Deletes any row elements that should no longer\n * be visible and creates the newly visible row elements. Any rows that haven't\n * changed visibility will be left untouched.\n *\n * @param {Element} rowContainer The container element for the emoji rows\n * @param {Array} currentRows List of row data that matches the currently visible rows\n * @param {Array} nextRows List of row data containing the new list of rows to be made visible\n */\nconst renderRows = async (rowContainer, currentRows, nextRows) => {\n    // We need to add any rows that are in nextRows but not in currentRows.\n    const toAdd = nextRows.filter(nextRow => !currentRows.some(currentRow => doRowsMatch(currentRow, nextRow)));\n    // Remember which rows will still be visible so that we can insert our element in the correct place in the DOM.\n    let toKeep = currentRows.filter(currentRow => nextRows.some(nextRow => doRowsMatch(currentRow, nextRow)));\n    // We need to remove any rows that are in currentRows but not in nextRows.\n    const toRemove = currentRows.filter(currentRow => !nextRows.some(nextRow => doRowsMatch(currentRow, nextRow)));\n    const toRemoveElements = toRemove.map(rowData => rowContainer.querySelectorAll(`[data-row=\"${rowData.index}\"]`));\n\n    // Render all of the templates first.\n    const rows = await Promise.all(toAdd.map(rowData => createRowElement(rowData)));\n\n    rows.forEach((row, index) => {\n        const rowData = toAdd[index];\n        let nextRowIndex = null;\n\n        for (let i = 0; i < toKeep.length; i++) {\n            const candidate = toKeep[i];\n            if (candidate.index > rowData.index) {\n                nextRowIndex = i;\n                break;\n            }\n        }\n\n        // Make sure the elements get added to the DOM in the correct order (ascending by row data index)\n        // so that they appear naturally in the tab order.\n        if (nextRowIndex !== null) {\n            const nextRowData = toKeep[nextRowIndex];\n            const nextRowNode = rowContainer.querySelector(`[data-row=\"${nextRowData.index}\"]`);\n\n            rowContainer.insertBefore(row, nextRowNode);\n            toKeep.splice(nextRowIndex, 0, toKeep);\n        } else {\n            toKeep.push(rowData);\n            rowContainer.appendChild(row);\n        }\n    });\n\n    toRemoveElements.forEach(rows => {\n        for (let i = 0; i < rows.length; i++) {\n            const row = rows[i];\n            rowContainer.removeChild(row);\n        }\n    });\n};\n\n/**\n * Build a function to render the visible emoji rows for a given scroll\n * position.\n *\n * @param {Element} rowContainer The container element for the emoji rows\n * @return {Function}\n */\nconst generateRenderRowsAtPositionFunction = (rowContainer) => {\n    let currentRows = [];\n    let nextRows = [];\n    let rowCount = 0;\n    let isRendering = false;\n    const renderNextRows = async () => {\n        if (!nextRows.length) {\n            return;\n        }\n\n        if (isRendering) {\n            return;\n        }\n\n        isRendering = true;\n        const nextRowsToRender = nextRows.slice();\n        nextRows = [];\n\n        await renderRows(rowContainer, currentRows, nextRowsToRender);\n        currentRows = nextRowsToRender;\n        isRendering = false;\n        renderNextRows();\n    };\n\n    return (scrollPosition, rowData, rowLimit = VISIBLE_ROW_COUNT) => {\n        nextRows = getRowsToRender(scrollPosition, rowLimit, rowData);\n        renderNextRows();\n\n        if (rowCount !== rowData.length) {\n            // Adjust the height of the container to match the number of rows.\n            rowContainer.style.height = `${rowData.length * ROW_HEIGHT_RAW}px`;\n        }\n\n        rowCount = rowData.length;\n    };\n};\n\n/**\n * Show the search results container and hide the emoji container.\n *\n * @param {Element} emojiContainer The emojis container\n * @param {Element} searchResultsContainer The search results container\n */\nconst showSearchResults = (emojiContainer, searchResultsContainer) => {\n    searchResultsContainer.classList.remove('hidden');\n    emojiContainer.classList.add('hidden');\n};\n\n/**\n * Hide the search result container and show the emojis container.\n *\n * @param {Element} emojiContainer The emojis container\n * @param {Element} searchResultsContainer The search results container\n * @param {Element} searchInput The search input\n */\nconst clearSearch = (emojiContainer, searchResultsContainer, searchInput) => {\n    searchResultsContainer.classList.add('hidden');\n    emojiContainer.classList.remove('hidden');\n    searchInput.value = '';\n};\n\n/**\n * Build function to handle mouse hovering an emoji. Shows the preview.\n *\n * @param {Element} emojiPreview The emoji preview element\n * @param {Element} emojiShortName The emoji short name element\n * @return {Function}\n */\nconst getHandleMouseEnter = (emojiPreview, emojiShortName) => {\n    return (e) => {\n        const target = e.target;\n        if (isEmojiElement(target)) {\n            emojiShortName.textContent = target.getAttribute('data-short-names');\n            emojiPreview.textContent = target.textContent;\n        }\n    };\n};\n\n/**\n * Build function to handle mouse leaving an emoji. Removes the preview.\n *\n * @param {Element} emojiPreview The emoji preview element\n * @param {Element} emojiShortName The emoji short name element\n * @return {Function}\n */\nconst getHandleMouseLeave = (emojiPreview, emojiShortName) => {\n    return (e) => {\n        const target = e.target;\n        if (isEmojiElement(target)) {\n            emojiShortName.textContent = '';\n            emojiPreview.textContent = '';\n        }\n    };\n};\n\n/**\n * Build the function to handle a user clicking something in the picker.\n *\n * The function currently handles clicking on the category selector or selecting\n * a specific emoji.\n *\n * @param {Number} recentEmojiRowCount Number of rows of recent emojis\n * @param {Element} emojiContainer Container element for the visible of emojis\n * @param {Element} searchResultsContainer Contaienr element for the search results\n * @param {Element} searchInput Search input element\n * @param {Function} selectCallback Callback function to execute when a user selects an emoji\n * @param {Function} renderAtPosition Render function to display current visible emojis\n * @return {Function}\n */\nconst getHandleClick = (\n    recentEmojiRowCount,\n    emojiContainer,\n    searchResultsContainer,\n    searchInput,\n    selectCallback,\n    renderAtPosition\n) => {\n    return (e, rowData, categoryScrollPositions) => {\n        const target = e.target;\n        let newRowData = rowData;\n        let newCategoryScrollPositions = categoryScrollPositions;\n\n        // Hide the search results if they are visible.\n        clearSearch(emojiContainer, searchResultsContainer, searchInput);\n\n        if (isEmojiElement(target)) {\n            // Emoji selected.\n            const unified = target.getAttribute('data-unified');\n            const shortnames = target.getAttribute('data-short-names').replace(/:/g, '').split(' ');\n            // Build the emoji data from the selected element.\n            const emojiData = {unified, shortnames};\n            const currentScrollTop = emojiContainer.scrollTop;\n            const isRecentEmojiRowVisible = emojiContainer.querySelector(`[data-row=\"${recentEmojiRowCount - 1}\"]`) !== null;\n            // Save the selected emoji in the recent emojis list.\n            [newRowData, recentEmojiRowCount] = addRecentEmoji(rowData, recentEmojiRowCount, emojiData);\n            // Re-index the category scroll positions because the additional recent emoji may have\n            // changed their positions.\n            newCategoryScrollPositions = getCategoryScrollPositionsFromRowData(newRowData);\n\n            if (isRecentEmojiRowVisible) {\n                // If the list of recent emojis is currently visible then we need to re-render the emojis\n                // to update the display and show the newly selected recent emoji.\n                renderAtPosition(currentScrollTop, newRowData);\n            }\n\n            // Call the client's callback function with the selected emoji.\n            selectCallback(target.textContent);\n            // Return the newly calculated row data and scroll positions.\n            return [newRowData, newCategoryScrollPositions];\n        }\n\n        const categorySelector = findCategorySelectorFromElement(target);\n        if (categorySelector) {\n            // Category selector.\n            const selectedCategory = categorySelector.getAttribute('data-category');\n            const position = categoryScrollPositions[selectedCategory];\n            // Scroll the container to the selected category. This will trigger the\n            // on scroll handler to re-render the visibile emojis.\n            emojiContainer.scrollTop = position;\n        }\n\n        return [newRowData, newCategoryScrollPositions];\n    };\n};\n\n/**\n * Build the function that handles scrolling of the emoji container to display the\n * correct emojis.\n *\n * We render the emoji rows as they are needed rather than all up front so that we\n * can avoid adding tends of thousands of elements to the DOM unnecessarily which\n * would bog down performance.\n *\n * @param {Element} root The picker root element\n * @param {Number} currentVisibleRowScrollPosition The current scroll position of the container\n * @param {Element} emojiContainer The emojis container element\n * @param {Object} initialCategoryScrollPositions Scroll positions for each category\n * @param {Function} renderAtPosition Function to render the appropriate emojis for a scroll position\n * @return {Function}\n */\nconst getHandleScroll = (\n    root,\n    currentVisibleRowScrollPosition,\n    emojiContainer,\n    initialCategoryScrollPositions,\n    renderAtPosition\n) => {\n    // Scope some local variables to track the scroll positions of the categories. We need to\n    // recalculate these because adding recent emojis can change those positions by adding\n    // additional rows.\n    let [\n        currentCategoryElement,\n        previousCategoryPosition,\n        nextCategoryPosition\n    ] = getCategoryByScrollPosition(root, emojiContainer.scrollTop, initialCategoryScrollPositions);\n\n    return (categoryScrollPositions, rowData) => {\n        const newScrollPosition = emojiContainer.scrollTop;\n        const upperScrollBound = currentVisibleRowScrollPosition + ROW_HEIGHT_RAW;\n        const lowerScrollBound = currentVisibleRowScrollPosition - ROW_HEIGHT_RAW;\n        // We only need to update the active category indicator if the user has scrolled into a\n        // new category scroll position.\n        const updateActiveCategory = (newScrollPosition >= nextCategoryPosition) ||\n                       (newScrollPosition < previousCategoryPosition);\n        // We only need to render new emoji rows if the user has scrolled far enough that a new row\n        // would be visible (i.e. they've scrolled up or down more than 40px - the height of a row).\n        const updateRenderRows = (newScrollPosition < lowerScrollBound) || (newScrollPosition > upperScrollBound);\n\n        if (updateActiveCategory) {\n            // New category is visible so update the active category selector and re-index the\n            // positions incase anything has changed.\n            [\n                currentCategoryElement,\n                previousCategoryPosition,\n                nextCategoryPosition\n            ] = getCategoryByScrollPosition(root, newScrollPosition, categoryScrollPositions);\n            setCategorySelectorActive(root, currentCategoryElement);\n        }\n\n        if (updateRenderRows) {\n            // A new row should be visible so re-render the visible emojis at this new position.\n            // We request an animation frame from the browser so that we're not blocking anything.\n            // The animation only needs to occur as soon as the browser is ready not immediately.\n            requestAnimationFrame(() => {\n                renderAtPosition(newScrollPosition, rowData);\n                // Remember the updated position.\n                currentVisibleRowScrollPosition = newScrollPosition;\n            });\n        }\n    };\n};\n\n/**\n * Build the function that handles search input from the user.\n *\n * @param {Element} searchInput The search input element\n * @param {Element} searchResultsContainer Container element to display the search results\n * @param {Element} emojiContainer Container element for the emoji rows\n * @return {Function}\n */\nconst getHandleSearch = (searchInput, searchResultsContainer, emojiContainer) => {\n    const rowContainer = searchResultsContainer.querySelector(SELECTORS.ROW_CONTAINER);\n    // Build a render function for the search results.\n    const renderSearchResultsAtPosition = generateRenderRowsAtPositionFunction(rowContainer);\n    searchResultsContainer.appendChild(rowContainer);\n\n    return async () => {\n        const searchTerm = searchInput.value.toLowerCase();\n\n        if (searchTerm) {\n            // Display the search results container and hide the emojis container.\n            showSearchResults(emojiContainer, searchResultsContainer);\n\n            // Find which emojis match the user's search input.\n            const matchingEmojis = Object.keys(EmojiData.byShortName).reduce((carry, shortName) => {\n                if (shortName.includes(searchTerm)) {\n                    carry.push({\n                        shortnames: [shortName],\n                        unified: EmojiData.byShortName[shortName]\n                    });\n                }\n                return carry;\n            }, []);\n\n            const searchResultsString = await get_string('searchresults', 'core');\n            const rowData = createRowDataForCategory(searchResultsString, searchResultsString, matchingEmojis, 0);\n            // Show the emoji rows for the search results.\n            renderSearchResultsAtPosition(0, rowData, rowData.length);\n        } else {\n            // Hide the search container and show the emojis container.\n            clearSearch(emojiContainer, searchResultsContainer, searchInput);\n        }\n    };\n};\n\n/**\n * Register the emoji picker event listeners.\n *\n * @param {Element} root The picker root element\n * @param {Element} emojiContainer Root element containing the list of visible emojis\n * @param {Function} renderAtPosition Function to render the visible emojis at a given scroll position\n * @param {Number} currentVisibleRowScrollPosition What is the current scroll position\n * @param {Function} selectCallback Function to execute when the user picks an emoji\n * @param {Object} categoryScrollPositions Scroll positions for where each of the emoji categories begin\n * @param {Array} rowData Data representing each of the display rows for hte emoji container\n * @param {Number} recentEmojiRowCount Number of rows of recent emojis\n */\nconst registerEventListeners = (\n    root,\n    emojiContainer,\n    renderAtPosition,\n    currentVisibleRowScrollPosition,\n    selectCallback,\n    categoryScrollPositions,\n    rowData,\n    recentEmojiRowCount\n) => {\n    const searchInput = root.querySelector(SELECTORS.SEARCH_INPUT);\n    const searchResultsContainer = root.querySelector(SELECTORS.SEARCH_RESULTS_CONTAINER);\n    const emojiPreview = root.querySelector(SELECTORS.EMOJI_PREVIEW);\n    const emojiShortName = root.querySelector(SELECTORS.EMOJI_SHORT_NAME);\n    // Build the click handler function.\n    const clickHandler = getHandleClick(\n        recentEmojiRowCount,\n        emojiContainer,\n        searchResultsContainer,\n        searchInput,\n        selectCallback,\n        renderAtPosition\n    );\n    // Build the scroll handler function.\n    const scrollHandler = getHandleScroll(\n        root,\n        currentVisibleRowScrollPosition,\n        emojiContainer,\n        categoryScrollPositions,\n        renderAtPosition\n    );\n    const searchHandler = getHandleSearch(searchInput, searchResultsContainer, emojiContainer);\n\n    // Mouse enter/leave events to show the emoji preview on hover or focus.\n    root.addEventListener('focus', getHandleMouseEnter(emojiPreview, emojiShortName), true);\n    root.addEventListener('blur', getHandleMouseLeave(emojiPreview, emojiShortName), true);\n    root.addEventListener('mouseenter', getHandleMouseEnter(emojiPreview, emojiShortName), true);\n    root.addEventListener('mouseleave', getHandleMouseLeave(emojiPreview, emojiShortName), true);\n    // User selects an emoji or clicks on one of the emoji category selectors.\n    root.addEventListener('click', e => {\n        // Update the row data and category scroll positions because they may have changes if the\n        // user selects an emoji which updates the recent emojis list.\n        [rowData, categoryScrollPositions] = clickHandler(e, rowData, categoryScrollPositions);\n    });\n    // Throttle the scroll event to only execute once every 50 milliseconds to prevent performance issues\n    // in the browser when re-rendering the picker emojis. The scroll event fires a lot otherwise.\n    emojiContainer.addEventListener('scroll', throttle(() => scrollHandler(categoryScrollPositions, rowData), 50));\n    // Debounce the search input so that it only executes 200 milliseconds after the user has finished typing.\n    searchInput.addEventListener('input', debounce(searchHandler, 200));\n};\n\n/**\n * Initialise the emoji picker.\n *\n * @param {Element} root The root element for the picker\n * @param {Function} selectCallback Callback for when the user selects an emoji\n */\nexport default (root, selectCallback) => {\n    const emojiContainer = root.querySelector(SELECTORS.EMOJIS_CONTAINER);\n    const rowContainer = emojiContainer.querySelector(SELECTORS.ROW_CONTAINER);\n    const recentEmojis = getRecentEmojis();\n    // Add the recent emojis category to the list of standard categories.\n    const allData = [{\n        name: 'Recent',\n        emojis: recentEmojis\n    }, ...EmojiData.byCategory];\n    let rowData = [];\n    let recentEmojiRowCount = 0;\n\n    /**\n     * Split categories data into rows which represent how they will be displayed in the\n     * picker. Each category will add a row containing the display name for the category\n     * and a row for every 9 emojis in the category. The row data will be used to calculate\n     * which emojis should be visible in the picker at any given time.\n     *\n     * E.g.\n     * input = [\n     *  {name: 'example1', emojis: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]},\n     *  {name: 'example2', emojis: [13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23]},\n     * ]\n     * output = [\n     *      {type: 'categoryName': data: 'Example 1'},\n     *      {type: 'emojiRow': data: [1, 2, 3, 4, 5, 6, 7, 8, 9]},\n     *      {type: 'emojiRow': data: [10, 11, 12]},\n     *      {type: 'categoryName': data: 'Example 2'},\n     *      {type: 'emojiRow': data: [13, 14, 15, 16, 17, 18, 19, 20, 21]},\n     *      {type: 'emojiRow': data: [22, 23]},\n     * ]\n     */\n    allData.forEach(category => {\n        const categorySelector = getCategorySelectorByCategoryName(root, category.name);\n        // Get the display name from the category selector button so that we don't need to\n        // send an ajax request for the string.\n        const categoryDisplayName = categorySelector.title;\n        const categoryRowData = createRowDataForCategory(category.name, categoryDisplayName, category.emojis, rowData.length);\n\n        if (category.name === 'Recent') {\n            // Remember how many recent emoji rows there are because it needs to be used to\n            // re-index the row data later when we're adding more recent emojis.\n            recentEmojiRowCount = categoryRowData.length;\n        }\n\n        rowData = rowData.concat(categoryRowData);\n    });\n\n    // Index the row data so that we can calculate which rows should be visible.\n    rowData = addIndexesToRowData(rowData);\n    // Calculate the scroll positions for each of the categories within the emoji container.\n    // These are used to know where to jump to when the user selects a specific category.\n    const categoryScrollPositions = getCategoryScrollPositionsFromRowData(rowData);\n    const renderAtPosition = generateRenderRowsAtPositionFunction(rowContainer);\n    // Display the initial set of emojis.\n    renderAtPosition(0, rowData);\n\n    registerEventListeners(\n        root,\n        emojiContainer,\n        renderAtPosition,\n        0,\n        selectCallback,\n        categoryScrollPositions,\n        rowData,\n        recentEmojiRowCount\n    );\n};"],"file":"picker.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/local/modal/alert.min.js b/lib/amd/build/local/modal/alert.min.js
index f0224368a1d..3f72ea933af 100644
--- a/lib/amd/build/local/modal/alert.min.js
+++ b/lib/amd/build/local/modal/alert.min.js
@@ -1,2 +1,2 @@
-define ("core/local/modal/alert",["exports","core/modal"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){c=function(a){return typeof a}}else{c=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return c(a)}function d(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function e(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function f(a,b,c){if(b)e(a.prototype,b);if(c)e(a,c);return a}function g(a,b,c){if("undefined"!=typeof Reflect&&Reflect.get){g=Reflect.get}else{g=function(a,b,c){var d=h(a,b);if(!d)return;var e=Object.getOwnPropertyDescriptor(d,b);if(e.get){return e.get.call(c)}return e.value}}return g(a,b,c||a)}function h(a,b){while(!Object.prototype.hasOwnProperty.call(a,b)){a=p(a);if(null===a)break}return a}function i(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});if(b)j(a,b)}function j(a,b){j=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return j(a,b)}function k(a){return function(){var b=p(a),c;if(n()){var d=p(this).constructor;c=Reflect.construct(b,arguments,d)}else{c=b.apply(this,arguments)}return l(this,c)}}function l(a,b){if(b&&("object"===c(b)||"function"==typeof b)){return b}return m(a)}function m(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function n(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],function(){}));return!0}catch(a){return!1}}function p(a){p=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return p(a)}var q=function(a){i(b,a);var c=k(b);function b(){d(this,b);return c.apply(this,arguments)}f(b,[{key:"registerEventListeners",value:function registerEventListeners(){g(p(b.prototype),"registerEventListeners",this).call(this);this.registerCloseOnCancel()}}]);return b}(b.default);a.default=q;return a.default});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/local/modal/alert",["exports","core/modal"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function d(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function e(a,b,c){if(b)d(a.prototype,b);if(c)d(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}function f(){if("undefined"!=typeof Reflect&&Reflect.get){f=Reflect.get}else{f=function(a,b,c){var d=g(a,b);if(!d)return;var e=Object.getOwnPropertyDescriptor(d,b);if(e.get){return e.get.call(3>arguments.length?a:c)}return e.value}}return f.apply(this,arguments)}function g(a,b){while(!Object.prototype.hasOwnProperty.call(a,b)){a=n(a);if(null===a)break}return a}function h(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});Object.defineProperty(a,"prototype",{writable:!1});if(b)i(a,b)}function i(a,b){i=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return i(a,b)}function j(a){var b=m();return function(){var c=n(a),d;if(b){var e=n(this).constructor;d=Reflect.construct(c,arguments,e)}else{d=c.apply(this,arguments)}return k(this,d)}}function k(a,b){if(b&&("object"===_typeof(b)||"function"==typeof b)){return b}else if(void 0!==b){throw new TypeError("Derived constructors may only return object or undefined")}return l(a)}function l(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function m(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return!0}catch(a){return!1}}function n(a){n=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return n(a)}var o=function(a){h(d,a);var b=j(d);function d(){c(this,d);return b.apply(this,arguments)}e(d,[{key:"registerEventListeners",value:function registerEventListeners(){f(n(d.prototype),"registerEventListeners",this).call(this);this.registerCloseOnCancel()}}]);return d}(b.default);a.default=o;return a.default});
 //# sourceMappingURL=alert.min.js.map
diff --git a/lib/amd/build/local/modal/alert.min.js.map b/lib/amd/build/local/modal/alert.min.js.map
index e85e86bbe94..02335a63bb9 100644
--- a/lib/amd/build/local/modal/alert.min.js.map
+++ b/lib/amd/build/local/modal/alert.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/local/modal/alert.js"],"names":["registerCloseOnCancel","Modal"],"mappings":"uJAyBA,uD,+mEAM6B,CAErB,2DAGA,KAAKA,qBAAL,EACH,C,cAVwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Alert modal.\n *\n * @module     core/modal_alert\n * @class      modal_alert\n * @package    core\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Modal from 'core/modal';\n\nexport default class extends Modal {\n    /**\n     * Register all event listeners.\n     */\n    registerEventListeners() {\n        // Call the parent registration.\n        super.registerEventListeners();\n\n        // Register to close on cancel.\n        this.registerCloseOnCancel();\n    }\n}\n"],"file":"alert.min.js"}
\ No newline at end of file
+{"version":3,"sources":["../../../src/local/modal/alert.js"],"names":["registerCloseOnCancel","Modal"],"mappings":"yaAyBA,uD,4jEAMI,iCAAyB,CAErB,2DAGA,KAAKA,qBAAL,EACH,C,cAVwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Alert modal.\n *\n * @module     core/modal_alert\n * @class      modal_alert\n * @package    core\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Modal from 'core/modal';\n\nexport default class extends Modal {\n    /**\n     * Register all event listeners.\n     */\n    registerEventListeners() {\n        // Call the parent registration.\n        super.registerEventListeners();\n\n        // Register to close on cancel.\n        this.registerCloseOnCancel();\n    }\n}\n"],"file":"alert.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/loglevel.min.js b/lib/amd/build/loglevel.min.js
index 6f1faf89e5a..c5b03139142 100644
--- a/lib/amd/build/loglevel.min.js
+++ b/lib/amd/build/loglevel.min.js
@@ -1,2 +1,2 @@
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+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}(function(a,b){"use strict";if("function"==typeof define&&define.amd){define ("core/loglevel",b)}else if("object"===("undefined"==typeof module?"undefined":_typeof(module))&&module.exports){module.exports=b()}else{a.log=b()}})(this,function(){"use strict";var a=function(){},b="undefined",c=("undefined"==typeof window?"undefined":_typeof(window))!==b&&/Trident\/|MSIE /.test(window.navigator.userAgent),d=["trace","debug","info","warn","error"];function e(a,b){var c=a[b];if("function"==typeof c.bind){return c.bind(a)}else{try{return Function.prototype.bind.call(c,a)}catch(b){return function(){return Function.prototype.apply.apply(c,[a,arguments])}}}}function f(){if(console.log){if(console.log.apply){console.log.apply(console,arguments)}else{Function.prototype.apply.apply(console.log,[console,arguments])}}if(console.trace)console.trace()}function g(d){if("debug"===d){d="log"}if(("undefined"==typeof console?"undefined":_typeof(console))===b){return!1}else if("trace"===d&&c){return f}else if(console[d]!==void 0){return e(console,d)}else if(console.log!==void 0){return e(console,"log")}else{return a}}function h(b,c){for(var e=0,f;e<d.length;e++){f=d[e];this[f]=e<b?a:this.methodFactory(f,b,c)}this.log=this.debug}function i(a,c,d){return function(){if(("undefined"==typeof console?"undefined":_typeof(console))!==b){h.call(this,c,d);this[a].apply(this,arguments)}}}function j(a){return g(a)||i.apply(this,arguments)}function k(a,c,e){var f=this,g,i="loglevel";if(a){i+=":"+a}function k(a){var c=(d[a]||"silent").toUpperCase();if(("undefined"==typeof window?"undefined":_typeof(window))===b)return;try{window.localStorage[i]=c;return}catch(a){}try{window.document.cookie=encodeURIComponent(i)+"="+c+";"}catch(a){}}function l(){var a;if(("undefined"==typeof window?"undefined":_typeof(window))===b)return;try{a=window.localStorage[i]}catch(a){}if(_typeof(a)===b){try{var c=window.document.cookie,d=c.indexOf(encodeURIComponent(i)+"=");if(-1!==d){a=/^([^;]+)/.exec(c.slice(d))[1]}}catch(a){}}if(f.levels[a]===void 0){a=void 0}return a}f.name=a;f.levels={TRACE:0,DEBUG:1,INFO:2,WARN:3,ERROR:4,SILENT:5};f.methodFactory=e||j;f.getLevel=function(){return g};f.setLevel=function(c,d){if("string"==typeof c&&f.levels[c.toUpperCase()]!==void 0){c=f.levels[c.toUpperCase()]}if("number"==typeof c&&0<=c&&c<=f.levels.SILENT){g=c;if(!1!==d){k(c)}h.call(f,c,a);if(("undefined"==typeof console?"undefined":_typeof(console))===b&&c<f.levels.SILENT){return"No console available for logging"}}else{throw"log.setLevel() called with invalid level: "+c}};f.setDefaultLevel=function(a){if(!l()){f.setLevel(a,!1)}};f.enableAll=function(a){f.setLevel(f.levels.TRACE,a)};f.disableAll=function(a){f.setLevel(f.levels.SILENT,a)};var m=l();if(null==m){m=null==c?"WARN":c}f.setLevel(m,!1)}var l=new k,m={};l.getLogger=function(a){if("string"!=typeof a||""===a){throw new TypeError("You must supply a name when creating a logger.")}var b=m[a];if(!b){b=m[a]=new k(a,l.getLevel(),l.methodFactory)}return b};var n=("undefined"==typeof window?"undefined":_typeof(window))!==b?window.log:void 0;l.noConflict=function(){if(("undefined"==typeof window?"undefined":_typeof(window))!==b&&window.log===l){window.log=n}return l};l.getLoggers=function(){return m};return l});
 //# sourceMappingURL=loglevel.min.js.map
diff --git a/lib/amd/build/loglevel.min.js.map b/lib/amd/build/loglevel.min.js.map
index d03d56a83ce..3412a53ec8a 100644
--- a/lib/amd/build/loglevel.min.js.map
+++ b/lib/amd/build/loglevel.min.js.map
@@ -1 +1 @@
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Copyright (c) 2013 Tim Perry\n//\n// Permission is hereby granted, free of charge, to any person\n// obtaining a copy of this software and associated documentation\n// files (the \"Software\"), to deal in the Software without\n// restriction, including without limitation the rights to use,\n// copy, modify, merge, publish, distribute, sublicense, and/or sell\n// copies of the Software, and to permit persons to whom the\n// Software is furnished to do so, subject to the following\n// conditions:\n//\n// The above copyright notice and this permission notice shall be\n// included in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES\n// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT\n// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,\n// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR\n// OTHER DEALINGS IN THE SOFTWARE.\n\n// Description of import into Moodle:\n// Download from https://github.com/pimterry/loglevel/tree/master/dist\n// Copy loglevel.js into lib/amd/src/ in Moodle folder.\n// Add the license as a comment to the file and these instructions.\n\n/*! loglevel - v1.6.6 - https://github.com/pimterry/loglevel - (c) 2019 Tim Perry - licensed MIT */\n(function (root, definition) {\n    \"use strict\";\n    if (typeof define === 'function' && define.amd) {\n        define(definition);\n    } else if (typeof module === 'object' && module.exports) {\n        module.exports = definition();\n    } else {\n        root.log = definition();\n    }\n}(this, function () {\n    \"use strict\";\n\n    // Slightly dubious tricks to cut down minimized file size\n    var noop = function() {};\n    var undefinedType = \"undefined\";\n    var isIE = (typeof window !== undefinedType) && (\n        /Trident\\/|MSIE /.test(window.navigator.userAgent)\n    );\n\n    var logMethods = [\n        \"trace\",\n        \"debug\",\n        \"info\",\n        \"warn\",\n        \"error\"\n    ];\n\n    // Cross-browser bind equivalent that works at least back to IE6\n    function bindMethod(obj, methodName) {\n        var method = obj[methodName];\n        if (typeof method.bind === 'function') {\n            return method.bind(obj);\n        } else {\n            try {\n                return Function.prototype.bind.call(method, obj);\n            } catch (e) {\n                // Missing bind shim or IE8 + Modernizr, fallback to wrapping\n                return function() {\n                    return Function.prototype.apply.apply(method, [obj, arguments]);\n                };\n            }\n        }\n    }\n\n    // Trace() doesn't print the message in IE, so for that case we need to wrap it\n    function traceForIE() {\n        if (console.log) {\n            if (console.log.apply) {\n                console.log.apply(console, arguments);\n            } else {\n                // In old IE, native console methods themselves don't have apply().\n                Function.prototype.apply.apply(console.log, [console, arguments]);\n            }\n        }\n        if (console.trace) console.trace();\n    }\n\n    // Build the best logging method possible for this env\n    // Wherever possible we want to bind, not wrap, to preserve stack traces\n    function realMethod(methodName) {\n        if (methodName === 'debug') {\n            methodName = 'log';\n        }\n\n        if (typeof console === undefinedType) {\n            return false; // No method possible, for now - fixed later by enableLoggingWhenConsoleArrives\n        } else if (methodName === 'trace' && isIE) {\n            return traceForIE;\n        } else if (console[methodName] !== undefined) {\n            return bindMethod(console, methodName);\n        } else if (console.log !== undefined) {\n            return bindMethod(console, 'log');\n        } else {\n            return noop;\n        }\n    }\n\n    // These private functions always need `this` to be set properly\n\n    function replaceLoggingMethods(level, loggerName) {\n        /*jshint validthis:true */\n        for (var i = 0; i < logMethods.length; i++) {\n            var methodName = logMethods[i];\n            this[methodName] = (i < level) ?\n                noop :\n                this.methodFactory(methodName, level, loggerName);\n        }\n\n        // Define log.log as an alias for log.debug\n        this.log = this.debug;\n    }\n\n    // In old IE versions, the console isn't present until you first open it.\n    // We build realMethod() replacements here that regenerate logging methods\n    function enableLoggingWhenConsoleArrives(methodName, level, loggerName) {\n        return function () {\n            if (typeof console !== undefinedType) {\n                replaceLoggingMethods.call(this, level, loggerName);\n                this[methodName].apply(this, arguments);\n            }\n        };\n    }\n\n    // By default, we use closely bound real methods wherever possible, and\n    // otherwise we wait for a console to appear, and then try again.\n    function defaultMethodFactory(methodName, level, loggerName) {\n        /*jshint validthis:true */\n        return realMethod(methodName) ||\n               enableLoggingWhenConsoleArrives.apply(this, arguments);\n    }\n\n    function Logger(name, defaultLevel, factory) {\n      var self = this;\n      var currentLevel;\n      var storageKey = \"loglevel\";\n      if (name) {\n        storageKey += \":\" + name;\n      }\n\n      function persistLevelIfPossible(levelNum) {\n          var levelName = (logMethods[levelNum] || 'silent').toUpperCase();\n\n          if (typeof window === undefinedType) return;\n\n          // Use localStorage if available\n          try {\n              window.localStorage[storageKey] = levelName;\n              return;\n          } catch (ignore) {}\n\n          // Use session cookie as fallback\n          try {\n              window.document.cookie =\n                encodeURIComponent(storageKey) + \"=\" + levelName + \";\";\n          } catch (ignore) {}\n      }\n\n      function getPersistedLevel() {\n          var storedLevel;\n\n          if (typeof window === undefinedType) return;\n\n          try {\n              storedLevel = window.localStorage[storageKey];\n          } catch (ignore) {}\n\n          // Fallback to cookies if local storage gives us nothing\n          if (typeof storedLevel === undefinedType) {\n              try {\n                  var cookie = window.document.cookie;\n                  var location = cookie.indexOf(\n                      encodeURIComponent(storageKey) + \"=\");\n                  if (location !== -1) {\n                      storedLevel = /^([^;]+)/.exec(cookie.slice(location))[1];\n                  }\n              } catch (ignore) {}\n          }\n\n          // If the stored level is not valid, treat it as if nothing was stored.\n          if (self.levels[storedLevel] === undefined) {\n              storedLevel = undefined;\n          }\n\n          return storedLevel;\n      }\n\n      /*\n       *\n       * Public logger API - 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Copyright (c) 2013 Tim Perry\n//\n// Permission is hereby granted, free of charge, to any person\n// obtaining a copy of this software and associated documentation\n// files (the \"Software\"), to deal in the Software without\n// restriction, including without limitation the rights to use,\n// copy, modify, merge, publish, distribute, sublicense, and/or sell\n// copies of the Software, and to permit persons to whom the\n// Software is furnished to do so, subject to the following\n// conditions:\n//\n// The above copyright notice and this permission notice shall be\n// included in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES\n// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT\n// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,\n// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR\n// OTHER DEALINGS IN THE SOFTWARE.\n\n// Description of import into Moodle:\n// Download from https://github.com/pimterry/loglevel/tree/master/dist\n// Copy loglevel.js into lib/amd/src/ in Moodle folder.\n// Add the license as a comment to the file and these instructions.\n\n/*! loglevel - v1.6.6 - https://github.com/pimterry/loglevel - (c) 2019 Tim Perry - licensed MIT */\n(function (root, definition) {\n    \"use strict\";\n    if (typeof define === 'function' && define.amd) {\n        define(definition);\n    } else if (typeof module === 'object' && module.exports) {\n        module.exports = definition();\n    } else {\n        root.log = definition();\n    }\n}(this, function () {\n    \"use strict\";\n\n    // Slightly dubious tricks to cut down minimized file size\n    var noop = function() {};\n    var undefinedType = \"undefined\";\n    var isIE = (typeof window !== undefinedType) && (\n        /Trident\\/|MSIE /.test(window.navigator.userAgent)\n    );\n\n    var logMethods = [\n        \"trace\",\n        \"debug\",\n        \"info\",\n        \"warn\",\n        \"error\"\n    ];\n\n    // Cross-browser bind equivalent that works at least back to IE6\n    function bindMethod(obj, methodName) {\n        var method = obj[methodName];\n        if (typeof method.bind === 'function') {\n            return method.bind(obj);\n        } else {\n            try {\n                return Function.prototype.bind.call(method, obj);\n            } catch (e) {\n                // Missing bind shim or IE8 + Modernizr, fallback to wrapping\n                return function() {\n                    return Function.prototype.apply.apply(method, [obj, arguments]);\n                };\n            }\n        }\n    }\n\n    // Trace() doesn't print the message in IE, so for that case we need to wrap it\n    function traceForIE() {\n        if (console.log) {\n            if (console.log.apply) {\n                console.log.apply(console, arguments);\n            } else {\n                // In old IE, native console methods themselves don't have apply().\n                Function.prototype.apply.apply(console.log, [console, arguments]);\n            }\n        }\n        if (console.trace) console.trace();\n    }\n\n    // Build the best logging method possible for this env\n    // Wherever possible we want to bind, not wrap, to preserve stack traces\n    function realMethod(methodName) {\n        if (methodName === 'debug') {\n            methodName = 'log';\n        }\n\n        if (typeof console === undefinedType) {\n            return false; // No method possible, for now - 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see https://github.com/pimterry/loglevel for details\n       *\n       */\n\n      self.name = name;\n\n      self.levels = { \"TRACE\": 0, \"DEBUG\": 1, \"INFO\": 2, \"WARN\": 3,\n          \"ERROR\": 4, \"SILENT\": 5};\n\n      self.methodFactory = factory || defaultMethodFactory;\n\n      self.getLevel = function () {\n          return currentLevel;\n      };\n\n      self.setLevel = function (level, persist) {\n          if (typeof level === \"string\" && self.levels[level.toUpperCase()] !== undefined) {\n              level = self.levels[level.toUpperCase()];\n          }\n          if (typeof level === \"number\" && level >= 0 && level <= self.levels.SILENT) {\n              currentLevel = level;\n              if (persist !== false) {  // defaults to true\n                  persistLevelIfPossible(level);\n              }\n              replaceLoggingMethods.call(self, level, name);\n              if (typeof console === undefinedType && level < self.levels.SILENT) {\n                  return \"No console available for logging\";\n              }\n          } else {\n              throw \"log.setLevel() called with invalid level: \" + level;\n          }\n      };\n\n      self.setDefaultLevel = function (level) {\n          if (!getPersistedLevel()) {\n              self.setLevel(level, false);\n          }\n      };\n\n      self.enableAll = function(persist) {\n          self.setLevel(self.levels.TRACE, persist);\n      };\n\n      self.disableAll = function(persist) {\n          self.setLevel(self.levels.SILENT, persist);\n      };\n\n      // Initialize with the right level\n      var initialLevel = getPersistedLevel();\n      if (initialLevel == null) {\n          initialLevel = defaultLevel == null ? \"WARN\" : defaultLevel;\n      }\n      self.setLevel(initialLevel, false);\n    }\n\n    /*\n     *\n     * Top-level API\n     *\n     */\n\n    var defaultLogger = new Logger();\n\n    var _loggersByName = {};\n    defaultLogger.getLogger = function getLogger(name) {\n        if (typeof name !== \"string\" || name === \"\") {\n          throw new TypeError(\"You must supply a name when creating a logger.\");\n        }\n\n        var logger = _loggersByName[name];\n        if (!logger) {\n          logger = _loggersByName[name] = new Logger(\n            name, defaultLogger.getLevel(), defaultLogger.methodFactory);\n        }\n        return logger;\n    };\n\n    // Grab the current global log variable in case of overwrite\n    var _log = (typeof window !== undefinedType) ? window.log : undefined;\n    defaultLogger.noConflict = function() {\n        if (typeof window !== undefinedType &&\n               window.log === defaultLogger) {\n            window.log = _log;\n        }\n\n        return defaultLogger;\n    };\n\n    defaultLogger.getLoggers = function getLoggers() {\n        return _loggersByName;\n    };\n\n    return defaultLogger;\n}));\n"],"file":"loglevel.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/modal.min.js b/lib/amd/build/modal.min.js
index 887f57cf289..1716e719cee 100644
--- a/lib/amd/build/modal.min.js
+++ b/lib/amd/build/modal.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core/modal",["jquery","core/templates","core/notification","core/key_codes","core/custom_interaction_events","core/modal_backdrop","core/event","core/modal_events","core/local/aria/focuslock","core/pending","core/fullscreen"],function(a,b,c,d,e,f,g,h,i,j,k){var l={CONTAINER:"[data-region=\"modal-container\"]",MODAL:"[data-region=\"modal\"]",HEADER:"[data-region=\"header\"]",TITLE:"[data-region=\"title\"]",BODY:"[data-region=\"body\"]",FOOTER:"[data-region=\"footer\"]",HIDE:"[data-action=\"hide\"]",DIALOG:"[role=dialog]",FORM:"form",MENU_BAR:"[role=menubar]",HAS_Z_INDEX:".moodle-has-zindex",CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]"},m={LOADING:"core/loading",BACKDROP:"core/modal_backdrop"},n,o=0,p=function(b){this.root=a(b);this.modal=this.root.find(l.MODAL);this.header=this.modal.find(l.HEADER);this.headerPromise=a.Deferred();this.title=this.header.find(l.TITLE);this.titlePromise=a.Deferred();this.body=this.modal.find(l.BODY);this.bodyPromise=a.Deferred();this.footer=this.modal.find(l.FOOTER);this.footerPromise=a.Deferred();this.hiddenSiblings=[];this.isAttached=!1;this.bodyJS=null;this.footerJS=null;this.modalCount=o++;this.attachmentPoint=document.createElement("div");document.body.append(this.attachmentPoint);if(!this.root.is(l.CONTAINER)){c.exception({message:"Element is not a modal container"})}if(!this.modal.length){c.exception({message:"Container does not contain a modal"})}if(!this.header.length){c.exception({message:"Modal is missing a header region"})}if(!this.title.length){c.exception({message:"Modal header is missing a title region"})}if(!this.body.length){c.exception({message:"Modal is missing a body region"})}if(!this.footer.length){c.exception({message:"Modal is missing a footer region"})}this.registerEventListeners()};p.prototype.attachToDOM=function(){this.getAttachmentPoint().append(this.root);if(this.isAttached){return}i.trapFocus(this.root[0]);if(this.bodyJS){b.runTemplateJS(this.bodyJS);this.bodyJS=null}if(this.footerJS){b.runTemplateJS(this.footerJS);this.footerJS=null}this.isAttached=!0};p.prototype.countOtherVisibleModals=function(){var b=0;a("body").find(l.CONTAINER).each(function(c,d){d=a(d);if(!this.root.is(d)&&d.hasClass("show")){b++}}.bind(this));return b};p.prototype.getBackdrop=function(){if(!n){n=b.render(m.BACKDROP,{}).then(function(b){var c=a(b);return new f(c)}).fail(c.exception)}return n};p.prototype.getRoot=function(){return this.root};p.prototype.getModal=function(){return this.modal};p.prototype.getTitle=function(){return this.title};p.prototype.getBody=function(){return this.body};p.prototype.getFooter=function(){return this.footer};p.prototype.getTitlePromise=function(){return this.titlePromise};p.prototype.getBodyPromise=function(){return this.bodyPromise};p.prototype.getFooterPromise=function(){return this.footerPromise};p.prototype.getModalCount=function(){return this.modalCount};p.prototype.setTitle=function(b){var d=this.getTitle();this.titlePromise=a.Deferred();this.asyncSet(b,d.html.bind(d)).then(function(){this.titlePromise.resolve(d)}.bind(this)).catch(c.exception)};p.prototype.setBody=function(d){this.bodyPromise=a.Deferred();var e=this.getBody();if("string"==typeof d){e.html(d);g.notifyFilterContentUpdated(e);this.getRoot().trigger(h.bodyRendered,this);this.bodyPromise.resolve(e)}else{var f="amd-modal-js-pending-id-"+this.getModalCount();M.util.js_pending(f);var i=null;e.css("overflow","hidden");d=a.when(d);if("pending"==d.state()){var j=e.innerHeight();if(100>j){j=100}e.animate({height:j+"px"},150);e.html("");i=b.render(m.LOADING,{}).then(function(b){var c=a(b).hide();e.html(c);c.fadeIn(150);return a.when(c.promise(),d)}).then(function(a){return a.fadeOut(100).promise()}).then(function(){return d})}else{i=d}i.then(function(a,c){var d=null;if(this.isVisible()){e.css("opacity",0);var f=e.innerHeight();e.html(a);e.css("height","");var g=e.innerHeight();e.css("height",f+"px");d=e.animate({height:g+"px",opacity:1},{duration:150,queue:!1}).promise()}else{e.html(a)}if(c){if(this.isAttached){b.runTemplateJS(c)}else{this.bodyJS=c}}return d}.bind(this)).then(function(a){g.notifyFilterContentUpdated(e);this.getRoot().trigger(h.bodyRendered,this);return a}.bind(this)).then(function(){this.bodyPromise.resolve(e)}.bind(this)).fail(c.exception).always(function(){e.css("height","");e.css("overflow","");e.css("opacity","");M.util.js_complete(f)}).fail(c.exception)}};p.prototype.setFooter=function(d){this.showFooter();this.footerPromise=a.Deferred();var e=this.getFooter();if("string"==typeof d){e.html(d);this.footerPromise.resolve(e)}else{b.render(m.LOADING,{}).then(function(a){e.html(a);return d}).then(function(a,c){e.html(a);if(c){if(this.isAttached){b.runTemplateJS(c)}else{this.footerJS=c}}return e}.bind(this)).then(function(a){this.footerPromise.resolve(a)}.bind(this)).catch(c.exception)}};p.prototype.hasFooterContent=function(){return this.getFooter().children().length?!0:!1};p.prototype.hideFooter=function(){this.getFooter().addClass("hidden")};p.prototype.showFooter=function(){this.getFooter().removeClass("hidden")};p.prototype.setLarge=function(){if(this.isLarge()){return}this.getModal().addClass("modal-lg")};p.prototype.isLarge=function(){return this.getModal().hasClass("modal-lg")};p.prototype.setSmall=function(){if(this.isSmall()){return}this.getModal().removeClass("modal-lg")};p.prototype.isSmall=function(){return!this.getModal().hasClass("modal-lg")};p.prototype.calculateZIndex=function(){var b=a(l.DIALOG+", "+l.MENU_BAR+", "+l.HAS_Z_INDEX),c=parseInt(this.root.css("z-index"));b.each(function(b,d){d=a(d);var e=d.css("z-index")?parseInt(d.css("z-index")):0;if(e>c){c=e}});return c};p.prototype.isVisible=function(){return this.root.hasClass("show")};p.prototype.hasFocus=function(){var b=a(document.activeElement);return this.root.is(b)||this.root.has(b).length};p.prototype.hasTransitions=function(){return this.getRoot().hasClass("fade")};p.prototype.getAttachmentPoint=function(){return a(k.getElement()||this.attachmentPoint)};p.prototype.show=function(){if(this.isVisible()){return a.Deferred().resolve()}var b=new j("core/modal:show");if(this.hasFooterContent()){this.showFooter()}else{this.hideFooter()}this.attachToDOM();return this.getBackdrop().then(function(b){var c=this.calculateZIndex(),d=c+2;this.root.css("z-index",d);b.setZIndex(d-1);b.show();this.root.removeClass("hide").addClass("show");this.accessibilityShow();this.getModal().focus();a("body").addClass("modal-open");this.root.trigger(h.shown,this)}.bind(this)).then(b.resolve)};p.prototype.hideIfNotForm=function(){var a=this.modal.find(l.FORM);if(0==a.length){this.hide()}};p.prototype.hide=function(){this.getBackdrop().done(function(b){i.untrapFocus();if(!this.countOtherVisibleModals()){b.hide();a("body").removeClass("modal-open")}var c=parseInt(this.root.css("z-index"));this.root.css("z-index","");b.setZIndex(c-3);this.accessibilityHide();if(this.hasTransitions()){this.getRoot().one("transitionend webkitTransitionEnd oTransitionEnd",function(){this.getRoot().removeClass("show").addClass("hide")}.bind(this))}else{this.getRoot().removeClass("show").addClass("hide")}if(a(document.body).find(this.getRoot()).length){a(document.body).append(this.getRoot())}this.root.trigger(h.hidden,this)}.bind(this))};p.prototype.destroy=function(){this.hide();this.root.remove();this.root.trigger(h.destroyed,this);this.attachmentPoint.remove()};p.prototype.accessibilityShow=function(){a("body").children().each(function(b,c){if(!this.root.is(c)){c=a(c);var d=c.attr("aria-hidden");if("true"!==d){c.data("previous-aria-hidden",d);this.hiddenSiblings.push(c);c.attr("aria-hidden","true")}}}.bind(this));this.root.attr("aria-hidden","false")};p.prototype.accessibilityHide=function(){this.root.attr("aria-hidden","true");a.each(this.hiddenSiblings,function(b,c){c=a(c);var d=c.data("previous-aria-hidden");if("undefined"==typeof d){c.removeAttr("aria-hidden")}else{c.attr("aria-hidden",d)}});this.hiddenSiblings=[]};p.prototype.registerEventListeners=function(){this.getRoot().on("keydown",function(a){if(!this.isVisible()){return}if(a.keyCode==d.escape){if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this));this.getRoot().click(function(b){if(!a(b.target).closest(l.MODAL).length){if(a(b.target).closest(l.CONTAINER).length){this.hideIfNotForm()}}}.bind(this));e.define(this.getModal(),[e.events.activate]);this.getModal().on(e.events.activate,l.HIDE,function(a,b){this.hide();b.originalEvent.preventDefault()}.bind(this))};p.prototype.registerCloseOnCancel=function(){this.getModal().on(e.events.activate,this.getActionSelector("cancel"),function(b,c){var d=a.Event(h.cancel);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){c.originalEvent.preventDefault();if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this))};p.prototype.registerCloseOnSave=function(){this.getModal().on(e.events.activate,this.getActionSelector("save"),function(b,c){var d=a.Event(h.save);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){c.originalEvent.preventDefault();if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this))};p.prototype.asyncSet=function(b,d){var e=b;if("object"!==_typeof(b)||!b.hasOwnProperty("then")){e=a.Deferred();e.resolve(b)}e.then(function(a){d(a)}).fail(c.exception);return e};p.prototype.setButtonText=function(a,b){var c=this.getFooter().find(this.getActionSelector(a));if(!c){throw new Error("Unable to find the '"+a+"' button")}return this.asyncSet(b,c.text.bind(c))};p.prototype.getActionSelector=function(a){return"[data-action='"+a+"']"};p.prototype.setRemoveOnClose=function(a){this.removeOnClose=a};return p});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/modal",["jquery","core/templates","core/notification","core/key_codes","core/custom_interaction_events","core/modal_backdrop","core/event","core/modal_events","core/local/aria/focuslock","core/pending","core/fullscreen"],function(a,b,c,d,e,f,g,h,i,j,k){var l={CONTAINER:"[data-region=\"modal-container\"]",MODAL:"[data-region=\"modal\"]",HEADER:"[data-region=\"header\"]",TITLE:"[data-region=\"title\"]",BODY:"[data-region=\"body\"]",FOOTER:"[data-region=\"footer\"]",HIDE:"[data-action=\"hide\"]",DIALOG:"[role=dialog]",FORM:"form",MENU_BAR:"[role=menubar]",HAS_Z_INDEX:".moodle-has-zindex",CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]"},m={LOADING:"core/loading",BACKDROP:"core/modal_backdrop"},n,o=0,p=function(b){this.root=a(b);this.modal=this.root.find(l.MODAL);this.header=this.modal.find(l.HEADER);this.headerPromise=a.Deferred();this.title=this.header.find(l.TITLE);this.titlePromise=a.Deferred();this.body=this.modal.find(l.BODY);this.bodyPromise=a.Deferred();this.footer=this.modal.find(l.FOOTER);this.footerPromise=a.Deferred();this.hiddenSiblings=[];this.isAttached=!1;this.bodyJS=null;this.footerJS=null;this.modalCount=o++;this.attachmentPoint=document.createElement("div");document.body.append(this.attachmentPoint);if(!this.root.is(l.CONTAINER)){c.exception({message:"Element is not a modal container"})}if(!this.modal.length){c.exception({message:"Container does not contain a modal"})}if(!this.header.length){c.exception({message:"Modal is missing a header region"})}if(!this.title.length){c.exception({message:"Modal header is missing a title region"})}if(!this.body.length){c.exception({message:"Modal is missing a body region"})}if(!this.footer.length){c.exception({message:"Modal is missing a footer region"})}this.registerEventListeners()};p.prototype.attachToDOM=function(){this.getAttachmentPoint().append(this.root);if(this.isAttached){return}i.trapFocus(this.root[0]);if(this.bodyJS){b.runTemplateJS(this.bodyJS);this.bodyJS=null}if(this.footerJS){b.runTemplateJS(this.footerJS);this.footerJS=null}this.isAttached=!0};p.prototype.countOtherVisibleModals=function(){var b=0;a("body").find(l.CONTAINER).each(function(c,d){d=a(d);if(!this.root.is(d)&&d.hasClass("show")){b++}}.bind(this));return b};p.prototype.getBackdrop=function(){if(!n){n=b.render(m.BACKDROP,{}).then(function(b){var c=a(b);return new f(c)}).fail(c.exception)}return n};p.prototype.getRoot=function(){return this.root};p.prototype.getModal=function(){return this.modal};p.prototype.getTitle=function(){return this.title};p.prototype.getBody=function(){return this.body};p.prototype.getFooter=function(){return this.footer};p.prototype.getTitlePromise=function(){return this.titlePromise};p.prototype.getBodyPromise=function(){return this.bodyPromise};p.prototype.getFooterPromise=function(){return this.footerPromise};p.prototype.getModalCount=function(){return this.modalCount};p.prototype.setTitle=function(b){var d=this.getTitle();this.titlePromise=a.Deferred();this.asyncSet(b,d.html.bind(d)).then(function(){this.titlePromise.resolve(d)}.bind(this)).catch(c.exception)};p.prototype.setBody=function(d){this.bodyPromise=a.Deferred();var e=this.getBody();if("string"==typeof d){e.html(d);g.notifyFilterContentUpdated(e);this.getRoot().trigger(h.bodyRendered,this);this.bodyPromise.resolve(e)}else{var f="amd-modal-js-pending-id-"+this.getModalCount();M.util.js_pending(f);var i=null;e.css("overflow","hidden");d=a.when(d);if("pending"==d.state()){var j=e.innerHeight();if(100>j){j=100}e.animate({height:j+"px"},150);e.html("");i=b.render(m.LOADING,{}).then(function(b){var c=a(b).hide();e.html(c);c.fadeIn(150);return a.when(c.promise(),d)}).then(function(a){return a.fadeOut(100).promise()}).then(function(){return d})}else{i=d}i.then(function(a,c){var d=null;if(this.isVisible()){e.css("opacity",0);var f=e.innerHeight();e.html(a);e.css("height","");var g=e.innerHeight();e.css("height",f+"px");d=e.animate({height:g+"px",opacity:1},{duration:150,queue:!1}).promise()}else{e.html(a)}if(c){if(this.isAttached){b.runTemplateJS(c)}else{this.bodyJS=c}}return d}.bind(this)).then(function(a){g.notifyFilterContentUpdated(e);this.getRoot().trigger(h.bodyRendered,this);return a}.bind(this)).then(function(){this.bodyPromise.resolve(e)}.bind(this)).fail(c.exception).always(function(){e.css("height","");e.css("overflow","");e.css("opacity","");M.util.js_complete(f)}).fail(c.exception)}};p.prototype.setFooter=function(d){this.showFooter();this.footerPromise=a.Deferred();var e=this.getFooter();if("string"==typeof d){e.html(d);this.footerPromise.resolve(e)}else{b.render(m.LOADING,{}).then(function(a){e.html(a);return d}).then(function(a,c){e.html(a);if(c){if(this.isAttached){b.runTemplateJS(c)}else{this.footerJS=c}}return e}.bind(this)).then(function(a){this.footerPromise.resolve(a)}.bind(this)).catch(c.exception)}};p.prototype.hasFooterContent=function(){return this.getFooter().children().length?!0:!1};p.prototype.hideFooter=function(){this.getFooter().addClass("hidden")};p.prototype.showFooter=function(){this.getFooter().removeClass("hidden")};p.prototype.setLarge=function(){if(this.isLarge()){return}this.getModal().addClass("modal-lg")};p.prototype.isLarge=function(){return this.getModal().hasClass("modal-lg")};p.prototype.setSmall=function(){if(this.isSmall()){return}this.getModal().removeClass("modal-lg")};p.prototype.isSmall=function(){return!this.getModal().hasClass("modal-lg")};p.prototype.calculateZIndex=function(){var b=a(l.DIALOG+", "+l.MENU_BAR+", "+l.HAS_Z_INDEX),c=parseInt(this.root.css("z-index"));b.each(function(b,d){d=a(d);var e=d.css("z-index")?parseInt(d.css("z-index")):0;if(e>c){c=e}});return c};p.prototype.isVisible=function(){return this.root.hasClass("show")};p.prototype.hasFocus=function(){var b=a(document.activeElement);return this.root.is(b)||this.root.has(b).length};p.prototype.hasTransitions=function(){return this.getRoot().hasClass("fade")};p.prototype.getAttachmentPoint=function(){return a(k.getElement()||this.attachmentPoint)};p.prototype.show=function(){if(this.isVisible()){return a.Deferred().resolve()}var b=new j("core/modal:show");if(this.hasFooterContent()){this.showFooter()}else{this.hideFooter()}this.attachToDOM();return this.getBackdrop().then(function(b){var c=this.calculateZIndex(),d=c+2;this.root.css("z-index",d);b.setZIndex(d-1);b.show();this.root.removeClass("hide").addClass("show");this.accessibilityShow();this.getModal().focus();a("body").addClass("modal-open");this.root.trigger(h.shown,this)}.bind(this)).then(b.resolve)};p.prototype.hideIfNotForm=function(){var a=this.modal.find(l.FORM);if(0==a.length){this.hide()}};p.prototype.hide=function(){this.getBackdrop().done(function(b){i.untrapFocus();if(!this.countOtherVisibleModals()){b.hide();a("body").removeClass("modal-open")}var c=parseInt(this.root.css("z-index"));this.root.css("z-index","");b.setZIndex(c-3);this.accessibilityHide();if(this.hasTransitions()){this.getRoot().one("transitionend webkitTransitionEnd oTransitionEnd",function(){this.getRoot().removeClass("show").addClass("hide")}.bind(this))}else{this.getRoot().removeClass("show").addClass("hide")}if(a(document.body).find(this.getRoot()).length){a(document.body).append(this.getRoot())}this.root.trigger(h.hidden,this)}.bind(this))};p.prototype.destroy=function(){this.hide();this.root.remove();this.root.trigger(h.destroyed,this);this.attachmentPoint.remove()};p.prototype.accessibilityShow=function(){a("body").children().each(function(b,c){if(!this.root.is(c)){c=a(c);var d=c.attr("aria-hidden");if("true"!==d){c.data("previous-aria-hidden",d);this.hiddenSiblings.push(c);c.attr("aria-hidden","true")}}}.bind(this));this.root.attr("aria-hidden","false")};p.prototype.accessibilityHide=function(){this.root.attr("aria-hidden","true");a.each(this.hiddenSiblings,function(b,c){c=a(c);var d=c.data("previous-aria-hidden");if("undefined"==typeof d){c.removeAttr("aria-hidden")}else{c.attr("aria-hidden",d)}});this.hiddenSiblings=[]};p.prototype.registerEventListeners=function(){this.getRoot().on("keydown",function(a){if(!this.isVisible()){return}if(a.keyCode==d.escape){if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this));this.getRoot().click(function(b){if(!a(b.target).closest(l.MODAL).length){if(a(b.target).closest(l.CONTAINER).length){this.hideIfNotForm()}}}.bind(this));e.define(this.getModal(),[e.events.activate]);this.getModal().on(e.events.activate,l.HIDE,function(a,b){this.hide();b.originalEvent.preventDefault()}.bind(this))};p.prototype.registerCloseOnCancel=function(){this.getModal().on(e.events.activate,this.getActionSelector("cancel"),function(b,c){var d=a.Event(h.cancel);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){c.originalEvent.preventDefault();if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this))};p.prototype.registerCloseOnSave=function(){this.getModal().on(e.events.activate,this.getActionSelector("save"),function(b,c){var d=a.Event(h.save);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){c.originalEvent.preventDefault();if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this))};p.prototype.asyncSet=function(b,d){var e=b;if("object"!==_typeof(b)||!b.hasOwnProperty("then")){e=a.Deferred();e.resolve(b)}e.then(function(a){d(a)}).fail(c.exception);return e};p.prototype.setButtonText=function(a,b){var c=this.getFooter().find(this.getActionSelector(a));if(!c){throw new Error("Unable to find the '"+a+"' button")}return this.asyncSet(b,c.text.bind(c))};p.prototype.getActionSelector=function(a){return"[data-action='"+a+"']"};p.prototype.setRemoveOnClose=function(a){this.removeOnClose=a};return p});
 //# sourceMappingURL=modal.min.js.map
diff --git a/lib/amd/build/modal.min.js.map b/lib/amd/build/modal.min.js.map
index fc188992b1f..822d321ac54 100644
--- a/lib/amd/build/modal.min.js.map
+++ b/lib/amd/build/modal.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for modals.\n *\n * @module     core/modal\n * @class      modal\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/templates',\n    'core/notification',\n    'core/key_codes',\n    'core/custom_interaction_events',\n    'core/modal_backdrop',\n    'core/event',\n    'core/modal_events',\n    'core/local/aria/focuslock',\n    'core/pending',\n    'core/fullscreen'\n], function(\n    $,\n    Templates,\n    Notification,\n    KeyCodes,\n    CustomEvents,\n    ModalBackdrop,\n    Event,\n    ModalEvents,\n    FocusLock,\n    Pending,\n    Fullscreen\n) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"modal-container\"]',\n        MODAL: '[data-region=\"modal\"]',\n        HEADER: '[data-region=\"header\"]',\n        TITLE: '[data-region=\"title\"]',\n        BODY: '[data-region=\"body\"]',\n        FOOTER: '[data-region=\"footer\"]',\n        HIDE: '[data-action=\"hide\"]',\n        DIALOG: '[role=dialog]',\n        FORM: 'form',\n        MENU_BAR: '[role=menubar]',\n        HAS_Z_INDEX: '.moodle-has-zindex',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    var TEMPLATES = {\n        LOADING: 'core/loading',\n        BACKDROP: 'core/modal_backdrop',\n    };\n\n    /**\n     * Module singleton for the backdrop to be reused by all Modal instances.\n     */\n    var backdropPromise;\n\n    /**\n     * A counter that gets incremented for each modal created. This can be\n     * used to generate unique values for the modals.\n     */\n    var modalCounter = 0;\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var Modal = function(root) {\n        this.root = $(root);\n        this.modal = this.root.find(SELECTORS.MODAL);\n        this.header = this.modal.find(SELECTORS.HEADER);\n        this.headerPromise = $.Deferred();\n        this.title = this.header.find(SELECTORS.TITLE);\n        this.titlePromise = $.Deferred();\n        this.body = this.modal.find(SELECTORS.BODY);\n        this.bodyPromise = $.Deferred();\n        this.footer = this.modal.find(SELECTORS.FOOTER);\n        this.footerPromise = $.Deferred();\n        this.hiddenSiblings = [];\n        this.isAttached = false;\n        this.bodyJS = null;\n        this.footerJS = null;\n        this.modalCount = modalCounter++;\n        this.attachmentPoint = document.createElement('div');\n        document.body.append(this.attachmentPoint);\n\n        if (!this.root.is(SELECTORS.CONTAINER)) {\n            Notification.exception({message: 'Element is not a modal container'});\n        }\n\n        if (!this.modal.length) {\n            Notification.exception({message: 'Container does not contain a modal'});\n        }\n\n        if (!this.header.length) {\n            Notification.exception({message: 'Modal is missing a header region'});\n        }\n\n        if (!this.title.length) {\n            Notification.exception({message: 'Modal header is missing a title region'});\n        }\n\n        if (!this.body.length) {\n            Notification.exception({message: 'Modal is missing a body region'});\n        }\n\n        if (!this.footer.length) {\n            Notification.exception({message: 'Modal is missing a footer region'});\n        }\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Attach the modal to the correct part of the page.\n     *\n     * If it hasn't already been added it runs any\n     * javascript that has been cached until now.\n     *\n     * @method attachToDOM\n     */\n    Modal.prototype.attachToDOM = function() {\n        this.getAttachmentPoint().append(this.root);\n\n        if (this.isAttached) {\n            return;\n        }\n\n        FocusLock.trapFocus(this.root[0]);\n\n        // If we'd cached any JS then we can run it how that the modal is\n        // attached to the DOM.\n        if (this.bodyJS) {\n            Templates.runTemplateJS(this.bodyJS);\n            this.bodyJS = null;\n        }\n\n        if (this.footerJS) {\n            Templates.runTemplateJS(this.footerJS);\n            this.footerJS = null;\n        }\n\n        this.isAttached = true;\n    };\n\n    /**\n     * Count the number of other visible modals (not including this one).\n     *\n     * @method countOtherVisibleModals\n     * @return {int}\n     */\n    Modal.prototype.countOtherVisibleModals = function() {\n        var count = 0;\n        $('body').find(SELECTORS.CONTAINER).each(function(index, element) {\n            element = $(element);\n\n            // If we haven't found ourself and the element is visible.\n            if (!this.root.is(element) && element.hasClass('show')) {\n                count++;\n            }\n        }.bind(this));\n\n        return count;\n    };\n\n    /**\n     * Get the modal backdrop.\n     *\n     * @method getBackdrop\n     * @return {object} jQuery promise\n     */\n    Modal.prototype.getBackdrop = function() {\n        if (!backdropPromise) {\n            backdropPromise = Templates.render(TEMPLATES.BACKDROP, {})\n                .then(function(html) {\n                    var element = $(html);\n\n                    return new ModalBackdrop(element);\n                })\n                .fail(Notification.exception);\n        }\n\n        return backdropPromise;\n    };\n\n    /**\n     * Get the root element of this modal.\n     *\n     * @method getRoot\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the modal element of this modal.\n     *\n     * @method getModal\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getModal = function() {\n        return this.modal;\n    };\n\n    /**\n     * Get the modal title element.\n     *\n     * @method getTitle\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getTitle = function() {\n        return this.title;\n    };\n\n    /**\n     * Get the modal body element.\n     *\n     * @method getBody\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getBody = function() {\n        return this.body;\n    };\n\n    /**\n     * Get the modal footer element.\n     *\n     * @method getFooter\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getFooter = function() {\n        return this.footer;\n    };\n\n    /**\n     * Get a promise resolving to the title region.\n     *\n     * @method getTitlePromise\n     * @return {Promise}\n     */\n    Modal.prototype.getTitlePromise = function() {\n        return this.titlePromise;\n    };\n\n    /**\n     * Get a promise resolving to the body region.\n     *\n     * @method getBodyPromise\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getBodyPromise = function() {\n        return this.bodyPromise;\n    };\n\n    /**\n     * Get a promise resolving to the footer region.\n     *\n     * @method getFooterPromise\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getFooterPromise = function() {\n        return this.footerPromise;\n    };\n\n    /**\n     * Get the unique modal count.\n     *\n     * @method getModalCount\n     * @return {int}\n     */\n    Modal.prototype.getModalCount = function() {\n        return this.modalCount;\n    };\n\n    /**\n     * Set the modal title element.\n     *\n     * This method is overloaded to take either a string value for the title or a jQuery promise that is resolved with\n     * HTML most commonly from a Str.get_string call.\n     *\n     * @method setTitle\n     * @param {(string|object)} value The title string or jQuery promise which resolves to the title.\n     */\n    Modal.prototype.setTitle = function(value) {\n        var title = this.getTitle();\n        this.titlePromise = $.Deferred();\n\n        this.asyncSet(value, title.html.bind(title))\n        .then(function() {\n            this.titlePromise.resolve(title);\n        }.bind(this))\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Set the modal body element.\n     *\n     * This method is overloaded to take either a string value for the body or a jQuery promise that is resolved with\n     * HTML and Javascript most commonly from a Templates.render call.\n     *\n     * @method setBody\n     * @param {(string|object)} value The body string or jQuery promise which resolves to the body.\n     */\n    Modal.prototype.setBody = function(value) {\n        this.bodyPromise = $.Deferred();\n\n        var body = this.getBody();\n\n        if (typeof value === 'string') {\n            // Just set the value if it's a string.\n            body.html(value);\n            Event.notifyFilterContentUpdated(body);\n            this.getRoot().trigger(ModalEvents.bodyRendered, this);\n            this.bodyPromise.resolve(body);\n        } else {\n            var jsPendingId = 'amd-modal-js-pending-id-' + this.getModalCount();\n            M.util.js_pending(jsPendingId);\n            // Otherwise we assume it's a promise to be resolved with\n            // html and javascript.\n            var contentPromise = null;\n            body.css('overflow', 'hidden');\n\n            // Ensure that the `value` is a jQuery Promise.\n            value = $.when(value);\n\n            if (value.state() == 'pending') {\n                // We're still waiting for the body promise to resolve so\n                // let's show a loading icon.\n                var height = body.innerHeight();\n                if (height < 100) {\n                    height = 100;\n                }\n\n                body.animate({height: height + 'px'}, 150);\n\n                body.html('');\n                contentPromise = Templates.render(TEMPLATES.LOADING, {})\n                    .then(function(html) {\n                        var loadingIcon = $(html).hide();\n                        body.html(loadingIcon);\n                        loadingIcon.fadeIn(150);\n\n                        // We only want the loading icon to fade out\n                        // when the content for the body has finished\n                        // loading.\n                        return $.when(loadingIcon.promise(), value);\n                    })\n                    .then(function(loadingIcon) {\n                        // Once the content has finished loading and\n                        // the loading icon has been shown then we can\n                        // fade the icon away to reveal the content.\n                        return loadingIcon.fadeOut(100).promise();\n                    })\n                    .then(function() {\n                        return value;\n                    });\n            } else {\n                // The content is already loaded so let's just display\n                // it to the user. No need for a loading icon.\n                contentPromise = value;\n            }\n\n            // Now we can actually display the content.\n            contentPromise.then(function(html, js) {\n                var result = null;\n\n                if (this.isVisible()) {\n                    // If the modal is visible then we should display\n                    // the content gracefully for the user.\n                    body.css('opacity', 0);\n                    var currentHeight = body.innerHeight();\n                    body.html(html);\n                    // We need to clear any height values we've set here\n                    // in order to measure the height of the content being\n                    // added. This then allows us to animate the height\n                    // transition.\n                    body.css('height', '');\n                    var newHeight = body.innerHeight();\n                    body.css('height', currentHeight + 'px');\n                    result = body.animate(\n                        {height: newHeight + 'px', opacity: 1},\n                        {duration: 150, queue: false}\n                    ).promise();\n                } else {\n                    // Since the modal isn't visible we can just immediately\n                    // set the content. No need to animate it.\n                    body.html(html);\n                }\n\n                if (js) {\n                    if (this.isAttached) {\n                        // If we're in the DOM then run the JS immediately.\n                        Templates.runTemplateJS(js);\n                    } else {\n                        // Otherwise cache it to be run when we're attached.\n                        this.bodyJS = js;\n                    }\n                }\n\n                return result;\n            }.bind(this))\n            .then(function(result) {\n                Event.notifyFilterContentUpdated(body);\n                this.getRoot().trigger(ModalEvents.bodyRendered, this);\n                return result;\n            }.bind(this))\n            .then(function() {\n                this.bodyPromise.resolve(body);\n                return;\n            }.bind(this))\n            .fail(Notification.exception)\n            .always(function() {\n                // When we're done displaying all of the content we need\n                // to clear the custom values we've set here.\n                body.css('height', '');\n                body.css('overflow', '');\n                body.css('opacity', '');\n                M.util.js_complete(jsPendingId);\n\n                return;\n            })\n            .fail(Notification.exception);\n        }\n    };\n\n    /**\n     * Set the modal footer element. The footer element is made visible, if it\n     * isn't already.\n     *\n     * This method is overloaded to take either a string\n     * value for the body or a jQuery promise that is resolved with HTML and Javascript\n     * most commonly from a Templates.render call.\n     *\n     * @method setFooter\n     * @param {(string|object)} value The footer string or jQuery promise\n     */\n    Modal.prototype.setFooter = function(value) {\n        // Make sure the footer is visible.\n        this.showFooter();\n        this.footerPromise = $.Deferred();\n\n        var footer = this.getFooter();\n\n        if (typeof value === 'string') {\n            // Just set the value if it's a string.\n            footer.html(value);\n            this.footerPromise.resolve(footer);\n        } else {\n            // Otherwise we assume it's a promise to be resolved with\n            // html and javascript.\n            Templates.render(TEMPLATES.LOADING, {})\n            .then(function(html) {\n                footer.html(html);\n\n                return value;\n            })\n            .then(function(html, js) {\n                footer.html(html);\n\n                if (js) {\n                    if (this.isAttached) {\n                        // If we're in the DOM then run the JS immediately.\n                        Templates.runTemplateJS(js);\n                    } else {\n                        // Otherwise cache it to be run when we're attached.\n                        this.footerJS = js;\n                    }\n                }\n\n                return footer;\n            }.bind(this))\n            .then(function(footer) {\n                this.footerPromise.resolve(footer);\n                return;\n            }.bind(this))\n            .catch(Notification.exception);\n        }\n    };\n\n    /**\n     * Check if the footer has any content in it.\n     *\n     * @method hasFooterContent\n     * @return {bool}\n     */\n    Modal.prototype.hasFooterContent = function() {\n        return this.getFooter().children().length ? true : false;\n    };\n\n    /**\n     * Hide the footer element.\n     *\n     * @method hideFooter\n     */\n    Modal.prototype.hideFooter = function() {\n        this.getFooter().addClass('hidden');\n    };\n\n    /**\n     * Show the footer element.\n     *\n     * @method showFooter\n     */\n    Modal.prototype.showFooter = function() {\n        this.getFooter().removeClass('hidden');\n    };\n\n    /**\n     * Mark the modal as a large modal.\n     *\n     * @method setLarge\n     */\n    Modal.prototype.setLarge = function() {\n        if (this.isLarge()) {\n            return;\n        }\n\n        this.getModal().addClass('modal-lg');\n    };\n\n    /**\n     * Check if the modal is a large modal.\n     *\n     * @method isLarge\n     * @return {bool}\n     */\n    Modal.prototype.isLarge = function() {\n        return this.getModal().hasClass('modal-lg');\n    };\n\n    /**\n     * Mark the modal as a small modal.\n     *\n     * @method setSmall\n     */\n    Modal.prototype.setSmall = function() {\n        if (this.isSmall()) {\n            return;\n        }\n\n        this.getModal().removeClass('modal-lg');\n    };\n\n    /**\n     * Check if the modal is a small modal.\n     *\n     * @method isSmall\n     * @return {bool}\n     */\n    Modal.prototype.isSmall = function() {\n        return !this.getModal().hasClass('modal-lg');\n    };\n\n    /**\n     * Determine the highest z-index value currently on the page.\n     *\n     * @method calculateZIndex\n     * @return {int}\n     */\n    Modal.prototype.calculateZIndex = function() {\n        var items = $(SELECTORS.DIALOG + ', ' + SELECTORS.MENU_BAR + ', ' + SELECTORS.HAS_Z_INDEX);\n        var zIndex = parseInt(this.root.css('z-index'));\n\n        items.each(function(index, item) {\n            item = $(item);\n            // Note that webkit browsers won't return the z-index value from the CSS stylesheet\n            // if the element doesn't have a position specified. Instead it'll return \"auto\".\n            var itemZIndex = item.css('z-index') ? parseInt(item.css('z-index')) : 0;\n\n            if (itemZIndex > zIndex) {\n                zIndex = itemZIndex;\n            }\n        });\n\n        return zIndex;\n    };\n\n    /**\n     * Check if this modal is visible.\n     *\n     * @method isVisible\n     * @return {bool}\n     */\n    Modal.prototype.isVisible = function() {\n        return this.root.hasClass('show');\n    };\n\n    /**\n     * Check if this modal has focus.\n     *\n     * @method hasFocus\n     * @return {bool}\n     */\n    Modal.prototype.hasFocus = function() {\n        var target = $(document.activeElement);\n        return this.root.is(target) || this.root.has(target).length;\n    };\n\n    /**\n     * Check if this modal has CSS transitions applied.\n     *\n     * @method hasTransitions\n     * @return {bool}\n     */\n    Modal.prototype.hasTransitions = function() {\n        return this.getRoot().hasClass('fade');\n    };\n\n    /**\n     * Gets the jQuery wrapped node that the Modal should be attached to.\n     *\n     * @returns {jQuery}\n     */\n    Modal.prototype.getAttachmentPoint = function() {\n        return $(Fullscreen.getElement() || this.attachmentPoint);\n    };\n\n    /**\n     * Display this modal. The modal will be attached to the DOM if it hasn't\n     * already been.\n     *\n     * @method show\n     * @returns {Promise}\n     */\n    Modal.prototype.show = function() {\n        if (this.isVisible()) {\n            return $.Deferred().resolve();\n        }\n\n        var pendingPromise = new Pending('core/modal:show');\n\n        if (this.hasFooterContent()) {\n            this.showFooter();\n        } else {\n            this.hideFooter();\n        }\n\n        this.attachToDOM();\n\n        return this.getBackdrop()\n        .then(function(backdrop) {\n            var currentIndex = this.calculateZIndex();\n            var newIndex = currentIndex + 2;\n            var newBackdropIndex = newIndex - 1;\n            this.root.css('z-index', newIndex);\n            backdrop.setZIndex(newBackdropIndex);\n            backdrop.show();\n\n            this.root.removeClass('hide').addClass('show');\n            this.accessibilityShow();\n            this.getModal().focus();\n            $('body').addClass('modal-open');\n            this.root.trigger(ModalEvents.shown, this);\n\n            return;\n        }.bind(this))\n        .then(pendingPromise.resolve);\n    };\n\n    /**\n     * Hide this modal if it does not contain a form.\n     *\n     * @method hideIfNotForm\n     */\n    Modal.prototype.hideIfNotForm = function() {\n        var formElement = this.modal.find(SELECTORS.FORM);\n        if (formElement.length == 0) {\n            this.hide();\n        }\n    };\n\n    /**\n     * Hide this modal.\n     *\n     * @method hide\n     */\n    Modal.prototype.hide = function() {\n        this.getBackdrop().done(function(backdrop) {\n            FocusLock.untrapFocus();\n\n            if (!this.countOtherVisibleModals()) {\n                // Hide the backdrop if we're the last open modal.\n                backdrop.hide();\n                $('body').removeClass('modal-open');\n            }\n\n            var currentIndex = parseInt(this.root.css('z-index'));\n            this.root.css('z-index', '');\n            backdrop.setZIndex(currentIndex - 3);\n\n            this.accessibilityHide();\n\n            if (this.hasTransitions()) {\n                // Wait for CSS transitions to complete before hiding the element.\n                this.getRoot().one('transitionend webkitTransitionEnd oTransitionEnd', function() {\n                    this.getRoot().removeClass('show').addClass('hide');\n                }.bind(this));\n            } else {\n                this.getRoot().removeClass('show').addClass('hide');\n            }\n\n            // Ensure the modal is moved onto the body node if it is still attached to the DOM.\n            if ($(document.body).find(this.getRoot()).length) {\n                $(document.body).append(this.getRoot());\n            }\n\n            this.root.trigger(ModalEvents.hidden, this);\n        }.bind(this));\n    };\n\n    /**\n     * Remove this modal from the DOM.\n     *\n     * @method destroy\n     */\n    Modal.prototype.destroy = function() {\n        this.hide();\n        this.root.remove();\n        this.root.trigger(ModalEvents.destroyed, this);\n        this.attachmentPoint.remove();\n    };\n\n    /**\n     * Sets the appropriate aria attributes on this dialogue and the other\n     * elements in the DOM to ensure that screen readers are able to navigate\n     * the dialogue popup correctly.\n     *\n     * @method accessibilityShow\n     */\n    Modal.prototype.accessibilityShow = function() {\n        // We need to get a list containing each sibling element and the shallowest\n        // non-ancestral nodes in the DOM. We can shortcut this a little by leveraging\n        // the fact that this dialogue is always appended to the document body therefore\n        // it's siblings are the shallowest non-ancestral nodes. If that changes then\n        // this code should also be updated.\n        $('body').children().each(function(index, child) {\n            // Skip the current modal.\n            if (!this.root.is(child)) {\n                child = $(child);\n                var hidden = child.attr('aria-hidden');\n                // If they are already hidden we can ignore them.\n                if (hidden !== 'true') {\n                    // Save their current state.\n                    child.data('previous-aria-hidden', hidden);\n                    this.hiddenSiblings.push(child);\n\n                    // Hide this node from screen readers.\n                    child.attr('aria-hidden', 'true');\n                }\n            }\n        }.bind(this));\n\n        // Make us visible to screen readers.\n        this.root.attr('aria-hidden', 'false');\n    };\n\n    /**\n     * Restores the aria visibility on the DOM elements changed when displaying\n     * the dialogue popup and makes the dialogue aria hidden to allow screen\n     * readers to navigate the main page correctly when the dialogue is closed.\n     *\n     * @method accessibilityHide\n     */\n    Modal.prototype.accessibilityHide = function() {\n        this.root.attr('aria-hidden', 'true');\n\n        // Restore the sibling nodes back to their original values.\n        $.each(this.hiddenSiblings, function(index, sibling) {\n            sibling = $(sibling);\n            var previousValue = sibling.data('previous-aria-hidden');\n            // If the element didn't previously have an aria-hidden attribute\n            // then we can just remove the one we set.\n            if (typeof previousValue == 'undefined') {\n                sibling.removeAttr('aria-hidden');\n            } else {\n                // Otherwise set it back to the old value (which will be false).\n                sibling.attr('aria-hidden', previousValue);\n            }\n        });\n\n        // Clear the cache. No longer need to store these.\n        this.hiddenSiblings = [];\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    Modal.prototype.registerEventListeners = function() {\n        this.getRoot().on('keydown', function(e) {\n            if (!this.isVisible()) {\n                return;\n            }\n\n            if (e.keyCode == KeyCodes.escape) {\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n\n        // Listen for clicks on the modal container.\n        this.getRoot().click(function(e) {\n            // If the click wasn't inside the modal element then we should\n            // hide the modal.\n            if (!$(e.target).closest(SELECTORS.MODAL).length) {\n                // The check above fails to detect the click was inside the modal when the DOM tree is already changed.\n                // So, we check if we can still find the container element or not. If not, then the DOM tree is changed.\n                // It's best not to hide the modal in that case.\n                if ($(e.target).closest(SELECTORS.CONTAINER).length) {\n                    this.hideIfNotForm();\n                }\n            }\n        }.bind(this));\n\n        CustomEvents.define(this.getModal(), [CustomEvents.events.activate]);\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.HIDE, function(e, data) {\n            this.hide();\n            data.originalEvent.preventDefault();\n        }.bind(this));\n    };\n\n    /**\n     * Register a listener to close the dialogue when the cancel button is pressed.\n     *\n     * @method registerCloseOnCancel\n     */\n    Modal.prototype.registerCloseOnCancel = function() {\n        // Handle the clicking of the Cancel button.\n        this.getModal().on(CustomEvents.events.activate, this.getActionSelector('cancel'), function(e, data) {\n            var cancelEvent = $.Event(ModalEvents.cancel);\n            this.getRoot().trigger(cancelEvent, this);\n\n            if (!cancelEvent.isDefaultPrevented()) {\n                data.originalEvent.preventDefault();\n\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n    };\n\n    /**\n     * Register a listener to close the dialogue when the save button is pressed.\n     *\n     * @method registerCloseOnSave\n     */\n    Modal.prototype.registerCloseOnSave = function() {\n        // Handle the clicking of the Cancel button.\n        this.getModal().on(CustomEvents.events.activate, this.getActionSelector('save'), function(e, data) {\n            var saveEvent = $.Event(ModalEvents.save);\n            this.getRoot().trigger(saveEvent, this);\n\n            if (!saveEvent.isDefaultPrevented()) {\n                data.originalEvent.preventDefault();\n\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n    };\n\n    /**\n     * Set or resolve and set the value using the function.\n     *\n     * @method asyncSet\n     * @param {(string|object)} value The string or jQuery promise.\n     * @param {function} setFunction The setter\n     * @return {Promise}\n     */\n    Modal.prototype.asyncSet = function(value, setFunction) {\n        var p = value;\n        if (typeof value !== 'object' || !value.hasOwnProperty('then')) {\n            p = $.Deferred();\n            p.resolve(value);\n        }\n\n        p.then(function(content) {\n            setFunction(content);\n\n            return;\n        })\n        .fail(Notification.exception);\n\n        return p;\n    };\n\n    /**\n     * Set the title text of a button.\n     *\n     * This method is overloaded to take either a string value for the button title or a jQuery promise that is resolved with\n     * text most commonly from a Str.get_string call.\n     *\n     * @param {DOMString} action The action of the button\n     * @param {(String|object)} value The button text, or a promise which will resolve to it\n     * @returns {Promise}\n     */\n    Modal.prototype.setButtonText = function(action, value) {\n        const button = this.getFooter().find(this.getActionSelector(action));\n\n        if (!button) {\n            throw new Error(\"Unable to find the '\" + action + \"' button\");\n        }\n\n        return this.asyncSet(value, button.text.bind(button));\n    };\n\n    /**\n     * Get the Selector for an action.\n     *\n     * @param {String} action\n     * @returns {DOMString}\n     */\n    Modal.prototype.getActionSelector = function(action) {\n        return \"[data-action='\" + action + \"']\";\n    };\n\n    /**\n     * Set the flag to remove the modal from the DOM on close.\n     *\n     * @param {Boolean} remove\n     */\n    Modal.prototype.setRemoveOnClose = function(remove) {\n        this.removeOnClose = remove;\n    };\n\n    return Modal;\n});\n"],"file":"modal.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for modals.\n *\n * @module     core/modal\n * @class      modal\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/templates',\n    'core/notification',\n    'core/key_codes',\n    'core/custom_interaction_events',\n    'core/modal_backdrop',\n    'core/event',\n    'core/modal_events',\n    'core/local/aria/focuslock',\n    'core/pending',\n    'core/fullscreen'\n], function(\n    $,\n    Templates,\n    Notification,\n    KeyCodes,\n    CustomEvents,\n    ModalBackdrop,\n    Event,\n    ModalEvents,\n    FocusLock,\n    Pending,\n    Fullscreen\n) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"modal-container\"]',\n        MODAL: '[data-region=\"modal\"]',\n        HEADER: '[data-region=\"header\"]',\n        TITLE: '[data-region=\"title\"]',\n        BODY: '[data-region=\"body\"]',\n        FOOTER: '[data-region=\"footer\"]',\n        HIDE: '[data-action=\"hide\"]',\n        DIALOG: '[role=dialog]',\n        FORM: 'form',\n        MENU_BAR: '[role=menubar]',\n        HAS_Z_INDEX: '.moodle-has-zindex',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    var TEMPLATES = {\n        LOADING: 'core/loading',\n        BACKDROP: 'core/modal_backdrop',\n    };\n\n    /**\n     * Module singleton for the backdrop to be reused by all Modal instances.\n     */\n    var backdropPromise;\n\n    /**\n     * A counter that gets incremented for each modal created. This can be\n     * used to generate unique values for the modals.\n     */\n    var modalCounter = 0;\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var Modal = function(root) {\n        this.root = $(root);\n        this.modal = this.root.find(SELECTORS.MODAL);\n        this.header = this.modal.find(SELECTORS.HEADER);\n        this.headerPromise = $.Deferred();\n        this.title = this.header.find(SELECTORS.TITLE);\n        this.titlePromise = $.Deferred();\n        this.body = this.modal.find(SELECTORS.BODY);\n        this.bodyPromise = $.Deferred();\n        this.footer = this.modal.find(SELECTORS.FOOTER);\n        this.footerPromise = $.Deferred();\n        this.hiddenSiblings = [];\n        this.isAttached = false;\n        this.bodyJS = null;\n        this.footerJS = null;\n        this.modalCount = modalCounter++;\n        this.attachmentPoint = document.createElement('div');\n        document.body.append(this.attachmentPoint);\n\n        if (!this.root.is(SELECTORS.CONTAINER)) {\n            Notification.exception({message: 'Element is not a modal container'});\n        }\n\n        if (!this.modal.length) {\n            Notification.exception({message: 'Container does not contain a modal'});\n        }\n\n        if (!this.header.length) {\n            Notification.exception({message: 'Modal is missing a header region'});\n        }\n\n        if (!this.title.length) {\n            Notification.exception({message: 'Modal header is missing a title region'});\n        }\n\n        if (!this.body.length) {\n            Notification.exception({message: 'Modal is missing a body region'});\n        }\n\n        if (!this.footer.length) {\n            Notification.exception({message: 'Modal is missing a footer region'});\n        }\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Attach the modal to the correct part of the page.\n     *\n     * If it hasn't already been added it runs any\n     * javascript that has been cached until now.\n     *\n     * @method attachToDOM\n     */\n    Modal.prototype.attachToDOM = function() {\n        this.getAttachmentPoint().append(this.root);\n\n        if (this.isAttached) {\n            return;\n        }\n\n        FocusLock.trapFocus(this.root[0]);\n\n        // If we'd cached any JS then we can run it how that the modal is\n        // attached to the DOM.\n        if (this.bodyJS) {\n            Templates.runTemplateJS(this.bodyJS);\n            this.bodyJS = null;\n        }\n\n        if (this.footerJS) {\n            Templates.runTemplateJS(this.footerJS);\n            this.footerJS = null;\n        }\n\n        this.isAttached = true;\n    };\n\n    /**\n     * Count the number of other visible modals (not including this one).\n     *\n     * @method countOtherVisibleModals\n     * @return {int}\n     */\n    Modal.prototype.countOtherVisibleModals = function() {\n        var count = 0;\n        $('body').find(SELECTORS.CONTAINER).each(function(index, element) {\n            element = $(element);\n\n            // If we haven't found ourself and the element is visible.\n            if (!this.root.is(element) && element.hasClass('show')) {\n                count++;\n            }\n        }.bind(this));\n\n        return count;\n    };\n\n    /**\n     * Get the modal backdrop.\n     *\n     * @method getBackdrop\n     * @return {object} jQuery promise\n     */\n    Modal.prototype.getBackdrop = function() {\n        if (!backdropPromise) {\n            backdropPromise = Templates.render(TEMPLATES.BACKDROP, {})\n                .then(function(html) {\n                    var element = $(html);\n\n                    return new ModalBackdrop(element);\n                })\n                .fail(Notification.exception);\n        }\n\n        return backdropPromise;\n    };\n\n    /**\n     * Get the root element of this modal.\n     *\n     * @method getRoot\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the modal element of this modal.\n     *\n     * @method getModal\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getModal = function() {\n        return this.modal;\n    };\n\n    /**\n     * Get the modal title element.\n     *\n     * @method getTitle\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getTitle = function() {\n        return this.title;\n    };\n\n    /**\n     * Get the modal body element.\n     *\n     * @method getBody\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getBody = function() {\n        return this.body;\n    };\n\n    /**\n     * Get the modal footer element.\n     *\n     * @method getFooter\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getFooter = function() {\n        return this.footer;\n    };\n\n    /**\n     * Get a promise resolving to the title region.\n     *\n     * @method getTitlePromise\n     * @return {Promise}\n     */\n    Modal.prototype.getTitlePromise = function() {\n        return this.titlePromise;\n    };\n\n    /**\n     * Get a promise resolving to the body region.\n     *\n     * @method getBodyPromise\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getBodyPromise = function() {\n        return this.bodyPromise;\n    };\n\n    /**\n     * Get a promise resolving to the footer region.\n     *\n     * @method getFooterPromise\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getFooterPromise = function() {\n        return this.footerPromise;\n    };\n\n    /**\n     * Get the unique modal count.\n     *\n     * @method getModalCount\n     * @return {int}\n     */\n    Modal.prototype.getModalCount = function() {\n        return this.modalCount;\n    };\n\n    /**\n     * Set the modal title element.\n     *\n     * This method is overloaded to take either a string value for the title or a jQuery promise that is resolved with\n     * HTML most commonly from a Str.get_string call.\n     *\n     * @method setTitle\n     * @param {(string|object)} value The title string or jQuery promise which resolves to the title.\n     */\n    Modal.prototype.setTitle = function(value) {\n        var title = this.getTitle();\n        this.titlePromise = $.Deferred();\n\n        this.asyncSet(value, title.html.bind(title))\n        .then(function() {\n            this.titlePromise.resolve(title);\n        }.bind(this))\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Set the modal body element.\n     *\n     * This method is overloaded to take either a string value for the body or a jQuery promise that is resolved with\n     * HTML and Javascript most commonly from a Templates.render call.\n     *\n     * @method setBody\n     * @param {(string|object)} value The body string or jQuery promise which resolves to the body.\n     */\n    Modal.prototype.setBody = function(value) {\n        this.bodyPromise = $.Deferred();\n\n        var body = this.getBody();\n\n        if (typeof value === 'string') {\n            // Just set the value if it's a string.\n            body.html(value);\n            Event.notifyFilterContentUpdated(body);\n            this.getRoot().trigger(ModalEvents.bodyRendered, this);\n            this.bodyPromise.resolve(body);\n        } else {\n            var jsPendingId = 'amd-modal-js-pending-id-' + this.getModalCount();\n            M.util.js_pending(jsPendingId);\n            // Otherwise we assume it's a promise to be resolved with\n            // html and javascript.\n            var contentPromise = null;\n            body.css('overflow', 'hidden');\n\n            // Ensure that the `value` is a jQuery Promise.\n            value = $.when(value);\n\n            if (value.state() == 'pending') {\n                // We're still waiting for the body promise to resolve so\n                // let's show a loading icon.\n                var height = body.innerHeight();\n                if (height < 100) {\n                    height = 100;\n                }\n\n                body.animate({height: height + 'px'}, 150);\n\n                body.html('');\n                contentPromise = Templates.render(TEMPLATES.LOADING, {})\n                    .then(function(html) {\n                        var loadingIcon = $(html).hide();\n                        body.html(loadingIcon);\n                        loadingIcon.fadeIn(150);\n\n                        // We only want the loading icon to fade out\n                        // when the content for the body has finished\n                        // loading.\n                        return $.when(loadingIcon.promise(), value);\n                    })\n                    .then(function(loadingIcon) {\n                        // Once the content has finished loading and\n                        // the loading icon has been shown then we can\n                        // fade the icon away to reveal the content.\n                        return loadingIcon.fadeOut(100).promise();\n                    })\n                    .then(function() {\n                        return value;\n                    });\n            } else {\n                // The content is already loaded so let's just display\n                // it to the user. No need for a loading icon.\n                contentPromise = value;\n            }\n\n            // Now we can actually display the content.\n            contentPromise.then(function(html, js) {\n                var result = null;\n\n                if (this.isVisible()) {\n                    // If the modal is visible then we should display\n                    // the content gracefully for the user.\n                    body.css('opacity', 0);\n                    var currentHeight = body.innerHeight();\n                    body.html(html);\n                    // We need to clear any height values we've set here\n                    // in order to measure the height of the content being\n                    // added. This then allows us to animate the height\n                    // transition.\n                    body.css('height', '');\n                    var newHeight = body.innerHeight();\n                    body.css('height', currentHeight + 'px');\n                    result = body.animate(\n                        {height: newHeight + 'px', opacity: 1},\n                        {duration: 150, queue: false}\n                    ).promise();\n                } else {\n                    // Since the modal isn't visible we can just immediately\n                    // set the content. No need to animate it.\n                    body.html(html);\n                }\n\n                if (js) {\n                    if (this.isAttached) {\n                        // If we're in the DOM then run the JS immediately.\n                        Templates.runTemplateJS(js);\n                    } else {\n                        // Otherwise cache it to be run when we're attached.\n                        this.bodyJS = js;\n                    }\n                }\n\n                return result;\n            }.bind(this))\n            .then(function(result) {\n                Event.notifyFilterContentUpdated(body);\n                this.getRoot().trigger(ModalEvents.bodyRendered, this);\n                return result;\n            }.bind(this))\n            .then(function() {\n                this.bodyPromise.resolve(body);\n                return;\n            }.bind(this))\n            .fail(Notification.exception)\n            .always(function() {\n                // When we're done displaying all of the content we need\n                // to clear the custom values we've set here.\n                body.css('height', '');\n                body.css('overflow', '');\n                body.css('opacity', '');\n                M.util.js_complete(jsPendingId);\n\n                return;\n            })\n            .fail(Notification.exception);\n        }\n    };\n\n    /**\n     * Set the modal footer element. The footer element is made visible, if it\n     * isn't already.\n     *\n     * This method is overloaded to take either a string\n     * value for the body or a jQuery promise that is resolved with HTML and Javascript\n     * most commonly from a Templates.render call.\n     *\n     * @method setFooter\n     * @param {(string|object)} value The footer string or jQuery promise\n     */\n    Modal.prototype.setFooter = function(value) {\n        // Make sure the footer is visible.\n        this.showFooter();\n        this.footerPromise = $.Deferred();\n\n        var footer = this.getFooter();\n\n        if (typeof value === 'string') {\n            // Just set the value if it's a string.\n            footer.html(value);\n            this.footerPromise.resolve(footer);\n        } else {\n            // Otherwise we assume it's a promise to be resolved with\n            // html and javascript.\n            Templates.render(TEMPLATES.LOADING, {})\n            .then(function(html) {\n                footer.html(html);\n\n                return value;\n            })\n            .then(function(html, js) {\n                footer.html(html);\n\n                if (js) {\n                    if (this.isAttached) {\n                        // If we're in the DOM then run the JS immediately.\n                        Templates.runTemplateJS(js);\n                    } else {\n                        // Otherwise cache it to be run when we're attached.\n                        this.footerJS = js;\n                    }\n                }\n\n                return footer;\n            }.bind(this))\n            .then(function(footer) {\n                this.footerPromise.resolve(footer);\n                return;\n            }.bind(this))\n            .catch(Notification.exception);\n        }\n    };\n\n    /**\n     * Check if the footer has any content in it.\n     *\n     * @method hasFooterContent\n     * @return {bool}\n     */\n    Modal.prototype.hasFooterContent = function() {\n        return this.getFooter().children().length ? true : false;\n    };\n\n    /**\n     * Hide the footer element.\n     *\n     * @method hideFooter\n     */\n    Modal.prototype.hideFooter = function() {\n        this.getFooter().addClass('hidden');\n    };\n\n    /**\n     * Show the footer element.\n     *\n     * @method showFooter\n     */\n    Modal.prototype.showFooter = function() {\n        this.getFooter().removeClass('hidden');\n    };\n\n    /**\n     * Mark the modal as a large modal.\n     *\n     * @method setLarge\n     */\n    Modal.prototype.setLarge = function() {\n        if (this.isLarge()) {\n            return;\n        }\n\n        this.getModal().addClass('modal-lg');\n    };\n\n    /**\n     * Check if the modal is a large modal.\n     *\n     * @method isLarge\n     * @return {bool}\n     */\n    Modal.prototype.isLarge = function() {\n        return this.getModal().hasClass('modal-lg');\n    };\n\n    /**\n     * Mark the modal as a small modal.\n     *\n     * @method setSmall\n     */\n    Modal.prototype.setSmall = function() {\n        if (this.isSmall()) {\n            return;\n        }\n\n        this.getModal().removeClass('modal-lg');\n    };\n\n    /**\n     * Check if the modal is a small modal.\n     *\n     * @method isSmall\n     * @return {bool}\n     */\n    Modal.prototype.isSmall = function() {\n        return !this.getModal().hasClass('modal-lg');\n    };\n\n    /**\n     * Determine the highest z-index value currently on the page.\n     *\n     * @method calculateZIndex\n     * @return {int}\n     */\n    Modal.prototype.calculateZIndex = function() {\n        var items = $(SELECTORS.DIALOG + ', ' + SELECTORS.MENU_BAR + ', ' + SELECTORS.HAS_Z_INDEX);\n        var zIndex = parseInt(this.root.css('z-index'));\n\n        items.each(function(index, item) {\n            item = $(item);\n            // Note that webkit browsers won't return the z-index value from the CSS stylesheet\n            // if the element doesn't have a position specified. Instead it'll return \"auto\".\n            var itemZIndex = item.css('z-index') ? parseInt(item.css('z-index')) : 0;\n\n            if (itemZIndex > zIndex) {\n                zIndex = itemZIndex;\n            }\n        });\n\n        return zIndex;\n    };\n\n    /**\n     * Check if this modal is visible.\n     *\n     * @method isVisible\n     * @return {bool}\n     */\n    Modal.prototype.isVisible = function() {\n        return this.root.hasClass('show');\n    };\n\n    /**\n     * Check if this modal has focus.\n     *\n     * @method hasFocus\n     * @return {bool}\n     */\n    Modal.prototype.hasFocus = function() {\n        var target = $(document.activeElement);\n        return this.root.is(target) || this.root.has(target).length;\n    };\n\n    /**\n     * Check if this modal has CSS transitions applied.\n     *\n     * @method hasTransitions\n     * @return {bool}\n     */\n    Modal.prototype.hasTransitions = function() {\n        return this.getRoot().hasClass('fade');\n    };\n\n    /**\n     * Gets the jQuery wrapped node that the Modal should be attached to.\n     *\n     * @returns {jQuery}\n     */\n    Modal.prototype.getAttachmentPoint = function() {\n        return $(Fullscreen.getElement() || this.attachmentPoint);\n    };\n\n    /**\n     * Display this modal. The modal will be attached to the DOM if it hasn't\n     * already been.\n     *\n     * @method show\n     * @returns {Promise}\n     */\n    Modal.prototype.show = function() {\n        if (this.isVisible()) {\n            return $.Deferred().resolve();\n        }\n\n        var pendingPromise = new Pending('core/modal:show');\n\n        if (this.hasFooterContent()) {\n            this.showFooter();\n        } else {\n            this.hideFooter();\n        }\n\n        this.attachToDOM();\n\n        return this.getBackdrop()\n        .then(function(backdrop) {\n            var currentIndex = this.calculateZIndex();\n            var newIndex = currentIndex + 2;\n            var newBackdropIndex = newIndex - 1;\n            this.root.css('z-index', newIndex);\n            backdrop.setZIndex(newBackdropIndex);\n            backdrop.show();\n\n            this.root.removeClass('hide').addClass('show');\n            this.accessibilityShow();\n            this.getModal().focus();\n            $('body').addClass('modal-open');\n            this.root.trigger(ModalEvents.shown, this);\n\n            return;\n        }.bind(this))\n        .then(pendingPromise.resolve);\n    };\n\n    /**\n     * Hide this modal if it does not contain a form.\n     *\n     * @method hideIfNotForm\n     */\n    Modal.prototype.hideIfNotForm = function() {\n        var formElement = this.modal.find(SELECTORS.FORM);\n        if (formElement.length == 0) {\n            this.hide();\n        }\n    };\n\n    /**\n     * Hide this modal.\n     *\n     * @method hide\n     */\n    Modal.prototype.hide = function() {\n        this.getBackdrop().done(function(backdrop) {\n            FocusLock.untrapFocus();\n\n            if (!this.countOtherVisibleModals()) {\n                // Hide the backdrop if we're the last open modal.\n                backdrop.hide();\n                $('body').removeClass('modal-open');\n            }\n\n            var currentIndex = parseInt(this.root.css('z-index'));\n            this.root.css('z-index', '');\n            backdrop.setZIndex(currentIndex - 3);\n\n            this.accessibilityHide();\n\n            if (this.hasTransitions()) {\n                // Wait for CSS transitions to complete before hiding the element.\n                this.getRoot().one('transitionend webkitTransitionEnd oTransitionEnd', function() {\n                    this.getRoot().removeClass('show').addClass('hide');\n                }.bind(this));\n            } else {\n                this.getRoot().removeClass('show').addClass('hide');\n            }\n\n            // Ensure the modal is moved onto the body node if it is still attached to the DOM.\n            if ($(document.body).find(this.getRoot()).length) {\n                $(document.body).append(this.getRoot());\n            }\n\n            this.root.trigger(ModalEvents.hidden, this);\n        }.bind(this));\n    };\n\n    /**\n     * Remove this modal from the DOM.\n     *\n     * @method destroy\n     */\n    Modal.prototype.destroy = function() {\n        this.hide();\n        this.root.remove();\n        this.root.trigger(ModalEvents.destroyed, this);\n        this.attachmentPoint.remove();\n    };\n\n    /**\n     * Sets the appropriate aria attributes on this dialogue and the other\n     * elements in the DOM to ensure that screen readers are able to navigate\n     * the dialogue popup correctly.\n     *\n     * @method accessibilityShow\n     */\n    Modal.prototype.accessibilityShow = function() {\n        // We need to get a list containing each sibling element and the shallowest\n        // non-ancestral nodes in the DOM. We can shortcut this a little by leveraging\n        // the fact that this dialogue is always appended to the document body therefore\n        // it's siblings are the shallowest non-ancestral nodes. If that changes then\n        // this code should also be updated.\n        $('body').children().each(function(index, child) {\n            // Skip the current modal.\n            if (!this.root.is(child)) {\n                child = $(child);\n                var hidden = child.attr('aria-hidden');\n                // If they are already hidden we can ignore them.\n                if (hidden !== 'true') {\n                    // Save their current state.\n                    child.data('previous-aria-hidden', hidden);\n                    this.hiddenSiblings.push(child);\n\n                    // Hide this node from screen readers.\n                    child.attr('aria-hidden', 'true');\n                }\n            }\n        }.bind(this));\n\n        // Make us visible to screen readers.\n        this.root.attr('aria-hidden', 'false');\n    };\n\n    /**\n     * Restores the aria visibility on the DOM elements changed when displaying\n     * the dialogue popup and makes the dialogue aria hidden to allow screen\n     * readers to navigate the main page correctly when the dialogue is closed.\n     *\n     * @method accessibilityHide\n     */\n    Modal.prototype.accessibilityHide = function() {\n        this.root.attr('aria-hidden', 'true');\n\n        // Restore the sibling nodes back to their original values.\n        $.each(this.hiddenSiblings, function(index, sibling) {\n            sibling = $(sibling);\n            var previousValue = sibling.data('previous-aria-hidden');\n            // If the element didn't previously have an aria-hidden attribute\n            // then we can just remove the one we set.\n            if (typeof previousValue == 'undefined') {\n                sibling.removeAttr('aria-hidden');\n            } else {\n                // Otherwise set it back to the old value (which will be false).\n                sibling.attr('aria-hidden', previousValue);\n            }\n        });\n\n        // Clear the cache. No longer need to store these.\n        this.hiddenSiblings = [];\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    Modal.prototype.registerEventListeners = function() {\n        this.getRoot().on('keydown', function(e) {\n            if (!this.isVisible()) {\n                return;\n            }\n\n            if (e.keyCode == KeyCodes.escape) {\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n\n        // Listen for clicks on the modal container.\n        this.getRoot().click(function(e) {\n            // If the click wasn't inside the modal element then we should\n            // hide the modal.\n            if (!$(e.target).closest(SELECTORS.MODAL).length) {\n                // The check above fails to detect the click was inside the modal when the DOM tree is already changed.\n                // So, we check if we can still find the container element or not. If not, then the DOM tree is changed.\n                // It's best not to hide the modal in that case.\n                if ($(e.target).closest(SELECTORS.CONTAINER).length) {\n                    this.hideIfNotForm();\n                }\n            }\n        }.bind(this));\n\n        CustomEvents.define(this.getModal(), [CustomEvents.events.activate]);\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.HIDE, function(e, data) {\n            this.hide();\n            data.originalEvent.preventDefault();\n        }.bind(this));\n    };\n\n    /**\n     * Register a listener to close the dialogue when the cancel button is pressed.\n     *\n     * @method registerCloseOnCancel\n     */\n    Modal.prototype.registerCloseOnCancel = function() {\n        // Handle the clicking of the Cancel button.\n        this.getModal().on(CustomEvents.events.activate, this.getActionSelector('cancel'), function(e, data) {\n            var cancelEvent = $.Event(ModalEvents.cancel);\n            this.getRoot().trigger(cancelEvent, this);\n\n            if (!cancelEvent.isDefaultPrevented()) {\n                data.originalEvent.preventDefault();\n\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n    };\n\n    /**\n     * Register a listener to close the dialogue when the save button is pressed.\n     *\n     * @method registerCloseOnSave\n     */\n    Modal.prototype.registerCloseOnSave = function() {\n        // Handle the clicking of the Cancel button.\n        this.getModal().on(CustomEvents.events.activate, this.getActionSelector('save'), function(e, data) {\n            var saveEvent = $.Event(ModalEvents.save);\n            this.getRoot().trigger(saveEvent, this);\n\n            if (!saveEvent.isDefaultPrevented()) {\n                data.originalEvent.preventDefault();\n\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n    };\n\n    /**\n     * Set or resolve and set the value using the function.\n     *\n     * @method asyncSet\n     * @param {(string|object)} value The string or jQuery promise.\n     * @param {function} setFunction The setter\n     * @return {Promise}\n     */\n    Modal.prototype.asyncSet = function(value, setFunction) {\n        var p = value;\n        if (typeof value !== 'object' || !value.hasOwnProperty('then')) {\n            p = $.Deferred();\n            p.resolve(value);\n        }\n\n        p.then(function(content) {\n            setFunction(content);\n\n            return;\n        })\n        .fail(Notification.exception);\n\n        return p;\n    };\n\n    /**\n     * Set the title text of a button.\n     *\n     * This method is overloaded to take either a string value for the button title or a jQuery promise that is resolved with\n     * text most commonly from a Str.get_string call.\n     *\n     * @param {DOMString} action The action of the button\n     * @param {(String|object)} value The button text, or a promise which will resolve to it\n     * @returns {Promise}\n     */\n    Modal.prototype.setButtonText = function(action, value) {\n        const button = this.getFooter().find(this.getActionSelector(action));\n\n        if (!button) {\n            throw new Error(\"Unable to find the '\" + action + \"' button\");\n        }\n\n        return this.asyncSet(value, button.text.bind(button));\n    };\n\n    /**\n     * Get the Selector for an action.\n     *\n     * @param {String} action\n     * @returns {DOMString}\n     */\n    Modal.prototype.getActionSelector = function(action) {\n        return \"[data-action='\" + action + \"']\";\n    };\n\n    /**\n     * Set the flag to remove the modal from the DOM on close.\n     *\n     * @param {Boolean} remove\n     */\n    Modal.prototype.setRemoveOnClose = function(remove) {\n        this.removeOnClose = remove;\n    };\n\n    return Modal;\n});\n"],"file":"modal.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/modal_cancel.min.js b/lib/amd/build/modal_cancel.min.js
index c064af598bf..9c710830a1f 100644
--- a/lib/amd/build/modal_cancel.min.js
+++ b/lib/amd/build/modal_cancel.min.js
@@ -1,2 +1,2 @@
-define ("core/modal_cancel",["exports","core/modal"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){c=function(a){return typeof a}}else{c=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return c(a)}function d(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function e(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function f(a,b,c){if(b)e(a.prototype,b);if(c)e(a,c);return a}function g(a,b,c){if("undefined"!=typeof Reflect&&Reflect.get){g=Reflect.get}else{g=function(a,b,c){var d=h(a,b);if(!d)return;var e=Object.getOwnPropertyDescriptor(d,b);if(e.get){return e.get.call(c)}return e.value}}return g(a,b,c||a)}function h(a,b){while(!Object.prototype.hasOwnProperty.call(a,b)){a=p(a);if(null===a)break}return a}function i(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});if(b)j(a,b)}function j(a,b){j=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return j(a,b)}function k(a){return function(){var b=p(a),c;if(n()){var d=p(this).constructor;c=Reflect.construct(b,arguments,d)}else{c=b.apply(this,arguments)}return l(this,c)}}function l(a,b){if(b&&("object"===c(b)||"function"==typeof b)){return b}return m(a)}function m(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function n(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],function(){}));return!0}catch(a){return!1}}function p(a){p=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return p(a)}var q=function(a){i(b,a);var c=k(b);function b(a){var e;d(this,b);e=c.call(this,a);if(!e.getFooter().find(e.getActionSelector("cancel")).length){Notification.exception({message:"No cancel button found"})}return e}f(b,[{key:"registerEventListeners",value:function registerEventListeners(){g(p(b.prototype),"registerEventListeners",this).call(this);this.registerCloseOnCancel()}}]);return b}(b.default);a.default=q;return a.default});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/modal_cancel",["exports","core/modal"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function d(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function e(a,b,c){if(b)d(a.prototype,b);if(c)d(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}function f(){if("undefined"!=typeof Reflect&&Reflect.get){f=Reflect.get}else{f=function(a,b,c){var d=g(a,b);if(!d)return;var e=Object.getOwnPropertyDescriptor(d,b);if(e.get){return e.get.call(3>arguments.length?a:c)}return e.value}}return f.apply(this,arguments)}function g(a,b){while(!Object.prototype.hasOwnProperty.call(a,b)){a=n(a);if(null===a)break}return a}function h(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});Object.defineProperty(a,"prototype",{writable:!1});if(b)i(a,b)}function i(a,b){i=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return i(a,b)}function j(a){var b=m();return function(){var c=n(a),d;if(b){var e=n(this).constructor;d=Reflect.construct(c,arguments,e)}else{d=c.apply(this,arguments)}return k(this,d)}}function k(a,b){if(b&&("object"===_typeof(b)||"function"==typeof b)){return b}else if(void 0!==b){throw new TypeError("Derived constructors may only return object or undefined")}return l(a)}function l(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function m(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return!0}catch(a){return!1}}function n(a){n=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return n(a)}var o=function(a){h(d,a);var b=j(d);function d(a){var e;c(this,d);e=b.call(this,a);if(!e.getFooter().find(e.getActionSelector("cancel")).length){Notification.exception({message:"No cancel button found"})}return e}e(d,[{key:"registerEventListeners",value:function registerEventListeners(){f(n(d.prototype),"registerEventListeners",this).call(this);this.registerCloseOnCancel()}}]);return d}(b.default);a.default=o;return a.default});
 //# sourceMappingURL=modal_cancel.min.js.map
diff --git a/lib/amd/build/modal_cancel.min.js.map b/lib/amd/build/modal_cancel.min.js.map
index 5af7d5e6183..d2bc14c2999 100644
--- a/lib/amd/build/modal_cancel.min.js.map
+++ b/lib/amd/build/modal_cancel.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/modal_cancel.js"],"names":["root","getFooter","find","getActionSelector","length","Notification","exception","message","registerCloseOnCancel","Modal"],"mappings":"kJAwBA,uD,++DAGI,WAAYA,CAAZ,CAAkB,iBACd,cAAMA,CAAN,EAEA,GAAI,CAAC,EAAKC,SAAL,GAAiBC,IAAjB,CAAsB,EAAKC,iBAAL,CAAuB,QAAvB,CAAtB,EAAwDC,MAA7D,CAAqE,CACjEC,YAAY,CAACC,SAAb,CAAuB,CAACC,OAAO,CAAE,wBAAV,CAAvB,CACH,CALa,QAMjB,C,0EAKwB,CAErB,2DAGA,KAAKC,qBAAL,EACH,C,cAlBwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the cancel modal.\n *\n * @module     core/modal_cancel\n * @class      modal_cancel\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Modal from 'core/modal';\n\nexport default class extends Modal {\n    constructor(root) {\n        super(root);\n\n        if (!this.getFooter().find(this.getActionSelector('cancel')).length) {\n            Notification.exception({message: 'No cancel button found'});\n        }\n    }\n\n    /**\n     * Register all event listeners.\n     */\n    registerEventListeners() {\n        // Call the parent registration.\n        super.registerEventListeners();\n\n        // Register to close on cancel.\n        this.registerCloseOnCancel();\n    }\n}\n"],"file":"modal_cancel.min.js"}
\ No newline at end of file
+{"version":3,"sources":["../src/modal_cancel.js"],"names":["root","getFooter","find","getActionSelector","length","Notification","exception","message","registerCloseOnCancel","Modal"],"mappings":"oaAwBA,uD,69DAGI,WAAYA,CAAZ,CAAkB,iBACd,cAAMA,CAAN,EAEA,GAAI,CAAC,EAAKC,SAAL,GAAiBC,IAAjB,CAAsB,EAAKC,iBAAL,CAAuB,QAAvB,CAAtB,EAAwDC,MAA7D,CAAqE,CACjEC,YAAY,CAACC,SAAb,CAAuB,CAACC,OAAO,CAAE,wBAAV,CAAvB,CACH,CALa,QAMjB,C,yCAKD,iCAAyB,CAErB,2DAGA,KAAKC,qBAAL,EACH,C,cAlBwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the cancel modal.\n *\n * @module     core/modal_cancel\n * @class      modal_cancel\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Modal from 'core/modal';\n\nexport default class extends Modal {\n    constructor(root) {\n        super(root);\n\n        if (!this.getFooter().find(this.getActionSelector('cancel')).length) {\n            Notification.exception({message: 'No cancel button found'});\n        }\n    }\n\n    /**\n     * Register all event listeners.\n     */\n    registerEventListeners() {\n        // Call the parent registration.\n        super.registerEventListeners();\n\n        // Register to close on cancel.\n        this.registerCloseOnCancel();\n    }\n}\n"],"file":"modal_cancel.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/modal_factory.min.js b/lib/amd/build/modal_factory.min.js
index 00c5ea4a976..9148d7108c1 100644
--- a/lib/amd/build/modal_factory.min.js
+++ b/lib/amd/build/modal_factory.min.js
@@ -1,2 +1,2 @@
-function _slicedToArray(a,b){return _arrayWithHoles(a)||_iterableToArrayLimit(a,b)||_unsupportedIterableToArray(a,b)||_nonIterableRest()}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(a,b){if(!a)return;if("string"==typeof a)return _arrayLikeToArray(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);if("Object"===c&&a.constructor)c=a.constructor.name;if("Map"===c||"Set"===c)return Array.from(c);if("Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c))return _arrayLikeToArray(a,b)}function _arrayLikeToArray(a,b){if(null==b||b>a.length)b=a.length;for(var c=0,d=Array(b);c<b;c++){d[c]=a[c]}return d}function _iterableToArrayLimit(a,b){if("undefined"==typeof Symbol||!(Symbol.iterator in Object(a)))return;var c=[],d=!0,e=!1,f=void 0;try{for(var g=a[Symbol.iterator](),h;!(d=(h=g.next()).done);d=!0){c.push(h.value);if(b&&c.length===b)break}}catch(a){e=!0;f=a}finally{try{if(!d&&null!=g["return"])g["return"]()}finally{if(e)throw f}}return c}function _arrayWithHoles(a){if(Array.isArray(a))return a}define ("core/modal_factory",["jquery","core/modal_events","core/modal_registry","core/modal","core/modal_save_cancel","core/modal_cancel","core/local/modal/alert","core/templates","core/notification","core/custom_interaction_events","core/pending"],function(a,b,c,d,e,f,g,h,i,j,k){var l={DEFAULT:"core/modal",SAVE_CANCEL:"core/modal_save_cancel",CANCEL:"core/modal_cancel",ALERT:"core/local/modal/alert"},m={DEFAULT:"DEFAULT",SAVE_CANCEL:"SAVE_CANCEL",CANCEL:"CANCEL",ALERT:"ALERT"};c.register(m.DEFAULT,d,l.DEFAULT);c.register(m.SAVE_CANCEL,e,l.SAVE_CANCEL);c.register(m.CANCEL,f,l.CANCEL);c.register(m.ALERT,g,l.ALERT);var n=function(c,d,e){var f=null,g="function"==typeof e.preShowCallback,h=function(b,d){var h=new k("core/modal_factory:setUpTrigger:triggeredCallback");f=a(b.currentTarget);c.then(function(a){if(g){e.preShowCallback(f,a)}a.show();return a}).then(h.resolve);d.originalEvent.preventDefault()};if(Array.isArray(d)){var i=d[1];d=d[0];j.define(d,[j.events.activate]);d.on(j.events.activate,i,h)}else{j.define(d,[j.events.activate]);d.on(j.events.activate,h)}c.then(function(a){a.getRoot().on(b.hidden,function(){if(null!==f){f.focus()}});return a})},o=function(b,c){c=a(c);var d=b.module,e=new d(c);return e},p=function(b,c){var d=b.template,e=h.render(d,c).then(function(c){var d=a(c);return o(b,d)}).fail(i.exception);return e};return{create:function create(a,b){var d=a.type||m.DEFAULT,e=a.large?!0:!1,f=null,g={};f=c.get(d);if(!f){i.exception({message:"Unable to find modal of type: "+d})}if("undefined"!=typeof a.templateContext){g=a.templateContext}var h=p(f,g).then(function(b){if("undefined"!=typeof a.title){b.setTitle(a.title)}if("undefined"!=typeof a.body){b.setBody(a.body)}if("undefined"!=typeof a.footer){b.setFooter(a.footer)}if(a.buttons){Object.entries(a.buttons).forEach(function(a){var c=_slicedToArray(a,2),d=c[0],e=c[1];b.setButtonText(d,e)})}if(e){b.setLarge()}if("undefined"!=typeof a.removeOnClose){b.setRemoveOnClose(a.removeOnClose)}return b});if("undefined"!=typeof b){n(h,b,a)}return h},types:m}});
+function _slicedToArray(a,b){return _arrayWithHoles(a)||_iterableToArrayLimit(a,b)||_unsupportedIterableToArray(a,b)||_nonIterableRest()}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(a,b){if(!a)return;if("string"==typeof a)return _arrayLikeToArray(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);if("Object"===c&&a.constructor)c=a.constructor.name;if("Map"===c||"Set"===c)return Array.from(a);if("Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c))return _arrayLikeToArray(a,b)}function _arrayLikeToArray(a,b){if(null==b||b>a.length)b=a.length;for(var c=0,d=Array(b);c<b;c++){d[c]=a[c]}return d}function _iterableToArrayLimit(a,b){var c=null==a?null:"undefined"!=typeof Symbol&&a[Symbol.iterator]||a["@@iterator"];if(null==c)return;var d=[],e=!0,f=!1,g,h;try{for(c=c.call(a);!(e=(g=c.next()).done);e=!0){d.push(g.value);if(b&&d.length===b)break}}catch(a){f=!0;h=a}finally{try{if(!e&&null!=c["return"])c["return"]()}finally{if(f)throw h}}return d}function _arrayWithHoles(a){if(Array.isArray(a))return a}define ("core/modal_factory",["jquery","core/modal_events","core/modal_registry","core/modal","core/modal_save_cancel","core/modal_cancel","core/local/modal/alert","core/templates","core/notification","core/custom_interaction_events","core/pending"],function(a,b,c,d,e,f,g,h,i,j,k){var l={DEFAULT:"core/modal",SAVE_CANCEL:"core/modal_save_cancel",CANCEL:"core/modal_cancel",ALERT:"core/local/modal/alert"},m={DEFAULT:"DEFAULT",SAVE_CANCEL:"SAVE_CANCEL",CANCEL:"CANCEL",ALERT:"ALERT"};c.register(m.DEFAULT,d,l.DEFAULT);c.register(m.SAVE_CANCEL,e,l.SAVE_CANCEL);c.register(m.CANCEL,f,l.CANCEL);c.register(m.ALERT,g,l.ALERT);var n=function(c,d,e){var f=null,g="function"==typeof e.preShowCallback,h=function(b,d){var h=new k("core/modal_factory:setUpTrigger:triggeredCallback");f=a(b.currentTarget);c.then(function(a){if(g){e.preShowCallback(f,a)}a.show();return a}).then(h.resolve);d.originalEvent.preventDefault()};if(Array.isArray(d)){var i=d[1];d=d[0];j.define(d,[j.events.activate]);d.on(j.events.activate,i,h)}else{j.define(d,[j.events.activate]);d.on(j.events.activate,h)}c.then(function(a){a.getRoot().on(b.hidden,function(){if(null!==f){f.focus()}});return a})},o=function(b,c){c=a(c);var d=b.module,e=new d(c);return e},p=function(b,c){var d=b.template,e=h.render(d,c).then(function(c){var d=a(c);return o(b,d)}).fail(i.exception);return e};return{create:function create(a,b){var d=a.type||m.DEFAULT,e=a.large?!0:!1,f=null,g={};f=c.get(d);if(!f){i.exception({message:"Unable to find modal of type: "+d})}if("undefined"!=typeof a.templateContext){g=a.templateContext}var h=p(f,g).then(function(b){if("undefined"!=typeof a.title){b.setTitle(a.title)}if("undefined"!=typeof a.body){b.setBody(a.body)}if("undefined"!=typeof a.footer){b.setFooter(a.footer)}if(a.buttons){Object.entries(a.buttons).forEach(function(a){var c=_slicedToArray(a,2),d=c[0],e=c[1];b.setButtonText(d,e)})}if(e){b.setLarge()}if("undefined"!=typeof a.removeOnClose){b.setRemoveOnClose(a.removeOnClose)}return b});if("undefined"!=typeof b){n(h,b,a)}return h},types:m}});
 //# sourceMappingURL=modal_factory.min.js.map
diff --git a/lib/amd/build/modal_factory.min.js.map b/lib/amd/build/modal_factory.min.js.map
index e99425558c5..444a67b0a50 100644
--- a/lib/amd/build/modal_factory.min.js.map
+++ b/lib/amd/build/modal_factory.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Create a modal.\n *\n * @module     core/modal_factory\n * @class      modal_factory\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/modal_events', 'core/modal_registry', 'core/modal',\n        'core/modal_save_cancel', 'core/modal_cancel', 'core/local/modal/alert',\n        'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'core/pending'],\n    function($, ModalEvents, ModalRegistry, Modal, ModalSaveCancel,\n        ModalCancel, ModalAlert, Templates, Notification, CustomEvents, Pending) {\n\n    // The templates for each type of modal.\n    var TEMPLATES = {\n        DEFAULT: 'core/modal',\n        SAVE_CANCEL: 'core/modal_save_cancel',\n        CANCEL: 'core/modal_cancel',\n        ALERT: 'core/local/modal/alert',\n    };\n\n    // The available types of modals.\n    var TYPES = {\n        DEFAULT: 'DEFAULT',\n        SAVE_CANCEL: 'SAVE_CANCEL',\n        CANCEL: 'CANCEL',\n        ALERT: 'ALERT',\n    };\n\n    // Register the common set of modals.\n    ModalRegistry.register(TYPES.DEFAULT, Modal, TEMPLATES.DEFAULT);\n    ModalRegistry.register(TYPES.SAVE_CANCEL, ModalSaveCancel, TEMPLATES.SAVE_CANCEL);\n    ModalRegistry.register(TYPES.CANCEL, ModalCancel, TEMPLATES.CANCEL);\n    ModalRegistry.register(TYPES.ALERT, ModalAlert, TEMPLATES.ALERT);\n\n    /**\n     * Set up the events required to show the modal and return focus when the modal\n     * is closed.\n     *\n     * @method setUpTrigger\n     * @param {Promise} modalPromise The modal instance\n     * @param {object} triggerElement The jQuery element to open the modal\n     * @param {object} modalConfig The modal configuration given to the factory\n     */\n    var setUpTrigger = function(modalPromise, triggerElement, modalConfig) {\n        // The element that actually shows the modal.\n        var actualTriggerElement = null;\n        // Check if the client has provided a callback function to be called\n        // before the modal is displayed.\n        var hasPreShowCallback = (typeof modalConfig.preShowCallback == 'function');\n        // Function to handle the trigger element being activated.\n        var triggeredCallback = function(e, data) {\n            var pendingPromise = new Pending('core/modal_factory:setUpTrigger:triggeredCallback');\n            actualTriggerElement = $(e.currentTarget);\n            modalPromise.then(function(modal) {\n                if (hasPreShowCallback) {\n                    // If the client provided a pre-show callback then execute\n                    // it now before showing the modal.\n                    modalConfig.preShowCallback(actualTriggerElement, modal);\n                }\n\n                modal.show();\n\n                return modal;\n            })\n            .then(pendingPromise.resolve);\n            data.originalEvent.preventDefault();\n        };\n\n        // The trigger element can either be a single element or it can be an\n        // element + selector pair to create a delegated event handler to trigger\n        // the modal.\n        if (Array.isArray(triggerElement)) {\n            var selector = triggerElement[1];\n            triggerElement = triggerElement[0];\n\n            CustomEvents.define(triggerElement, [CustomEvents.events.activate]);\n            triggerElement.on(CustomEvents.events.activate, selector, triggeredCallback);\n        } else {\n            CustomEvents.define(triggerElement, [CustomEvents.events.activate]);\n            triggerElement.on(CustomEvents.events.activate, triggeredCallback);\n        }\n\n        modalPromise.then(function(modal) {\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Focus on the trigger element that actually launched the modal.\n                if (actualTriggerElement !== null) {\n                    actualTriggerElement.focus();\n                }\n            });\n\n            return modal;\n        });\n    };\n\n    /**\n     * Create the correct instance of a modal based on the givem type. Sets up\n     * the trigger between the modal and the trigger element.\n     *\n     * @method createFromElement\n     * @param {object} registryConf A config from the ModalRegistry\n     * @param {object} modalElement The modal HTML jQuery object\n     * @return {object} Modal instance\n     */\n    var createFromElement = function(registryConf, modalElement) {\n        modalElement = $(modalElement);\n        var module = registryConf.module;\n        var modal = new module(modalElement);\n\n        return modal;\n    };\n\n    /**\n     * Create the correct modal instance for the given type, including loading\n     * the correct template.\n     *\n     * @method createFromType\n     * @param {object} registryConf A config from the ModalRegistry\n     * @param {object} templateContext The context to render the template with\n     * @return {promise} Resolved with a Modal instance\n     */\n    var createFromType = function(registryConf, templateContext) {\n        var templateName = registryConf.template;\n\n        var modalPromise = Templates.render(templateName, templateContext)\n            .then(function(html) {\n                var modalElement = $(html);\n                return createFromElement(registryConf, modalElement);\n            })\n            .fail(Notification.exception);\n\n        return modalPromise;\n    };\n\n    /**\n     * Create a Modal instance.\n     *\n     * @method create\n     * @param {object} modalConfig The configuration to create the modal instance\n     * @param {object} triggerElement The trigger HTML jQuery object\n     * @return {promise} Resolved with a Modal instance\n     */\n    var create = function(modalConfig, triggerElement) {\n        var type = modalConfig.type || TYPES.DEFAULT;\n        var isLarge = modalConfig.large ? true : false;\n        var registryConf = null;\n        var templateContext = {};\n\n        registryConf = ModalRegistry.get(type);\n\n        if (!registryConf) {\n            Notification.exception({message: 'Unable to find modal of type: ' + type});\n        }\n\n        if (typeof modalConfig.templateContext != 'undefined') {\n            templateContext = modalConfig.templateContext;\n        }\n\n        var modalPromise = createFromType(registryConf, templateContext)\n            .then(function(modal) {\n                if (typeof modalConfig.title != 'undefined') {\n                    modal.setTitle(modalConfig.title);\n                }\n\n                if (typeof modalConfig.body != 'undefined') {\n                    modal.setBody(modalConfig.body);\n                }\n\n                if (typeof modalConfig.footer != 'undefined') {\n                    modal.setFooter(modalConfig.footer);\n                }\n\n                if (modalConfig.buttons) {\n                    Object.entries(modalConfig.buttons).forEach(function([key, value]) {\n                        modal.setButtonText(key, value);\n                    });\n                }\n\n                if (isLarge) {\n                    modal.setLarge();\n                }\n\n                if (typeof modalConfig.removeOnClose !== 'undefined') {\n                    // If configured remove the modal when hiding it.\n                    modal.setRemoveOnClose(modalConfig.removeOnClose);\n                }\n\n                return modal;\n            });\n\n        if (typeof triggerElement != 'undefined') {\n            setUpTrigger(modalPromise, triggerElement, modalConfig);\n        }\n\n        return modalPromise;\n    };\n\n    return {\n        create: create,\n        types: TYPES,\n    };\n});\n"],"file":"modal_factory.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Create a modal.\n *\n * @module     core/modal_factory\n * @class      modal_factory\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/modal_events', 'core/modal_registry', 'core/modal',\n        'core/modal_save_cancel', 'core/modal_cancel', 'core/local/modal/alert',\n        'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'core/pending'],\n    function($, ModalEvents, ModalRegistry, Modal, ModalSaveCancel,\n        ModalCancel, ModalAlert, Templates, Notification, CustomEvents, Pending) {\n\n    // The templates for each type of modal.\n    var TEMPLATES = {\n        DEFAULT: 'core/modal',\n        SAVE_CANCEL: 'core/modal_save_cancel',\n        CANCEL: 'core/modal_cancel',\n        ALERT: 'core/local/modal/alert',\n    };\n\n    // The available types of modals.\n    var TYPES = {\n        DEFAULT: 'DEFAULT',\n        SAVE_CANCEL: 'SAVE_CANCEL',\n        CANCEL: 'CANCEL',\n        ALERT: 'ALERT',\n    };\n\n    // Register the common set of modals.\n    ModalRegistry.register(TYPES.DEFAULT, Modal, TEMPLATES.DEFAULT);\n    ModalRegistry.register(TYPES.SAVE_CANCEL, ModalSaveCancel, TEMPLATES.SAVE_CANCEL);\n    ModalRegistry.register(TYPES.CANCEL, ModalCancel, TEMPLATES.CANCEL);\n    ModalRegistry.register(TYPES.ALERT, ModalAlert, TEMPLATES.ALERT);\n\n    /**\n     * Set up the events required to show the modal and return focus when the modal\n     * is closed.\n     *\n     * @method setUpTrigger\n     * @param {Promise} modalPromise The modal instance\n     * @param {object} triggerElement The jQuery element to open the modal\n     * @param {object} modalConfig The modal configuration given to the factory\n     */\n    var setUpTrigger = function(modalPromise, triggerElement, modalConfig) {\n        // The element that actually shows the modal.\n        var actualTriggerElement = null;\n        // Check if the client has provided a callback function to be called\n        // before the modal is displayed.\n        var hasPreShowCallback = (typeof modalConfig.preShowCallback == 'function');\n        // Function to handle the trigger element being activated.\n        var triggeredCallback = function(e, data) {\n            var pendingPromise = new Pending('core/modal_factory:setUpTrigger:triggeredCallback');\n            actualTriggerElement = $(e.currentTarget);\n            modalPromise.then(function(modal) {\n                if (hasPreShowCallback) {\n                    // If the client provided a pre-show callback then execute\n                    // it now before showing the modal.\n                    modalConfig.preShowCallback(actualTriggerElement, modal);\n                }\n\n                modal.show();\n\n                return modal;\n            })\n            .then(pendingPromise.resolve);\n            data.originalEvent.preventDefault();\n        };\n\n        // The trigger element can either be a single element or it can be an\n        // element + selector pair to create a delegated event handler to trigger\n        // the modal.\n        if (Array.isArray(triggerElement)) {\n            var selector = triggerElement[1];\n            triggerElement = triggerElement[0];\n\n            CustomEvents.define(triggerElement, [CustomEvents.events.activate]);\n            triggerElement.on(CustomEvents.events.activate, selector, triggeredCallback);\n        } else {\n            CustomEvents.define(triggerElement, [CustomEvents.events.activate]);\n            triggerElement.on(CustomEvents.events.activate, triggeredCallback);\n        }\n\n        modalPromise.then(function(modal) {\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Focus on the trigger element that actually launched the modal.\n                if (actualTriggerElement !== null) {\n                    actualTriggerElement.focus();\n                }\n            });\n\n            return modal;\n        });\n    };\n\n    /**\n     * Create the correct instance of a modal based on the givem type. Sets up\n     * the trigger between the modal and the trigger element.\n     *\n     * @method createFromElement\n     * @param {object} registryConf A config from the ModalRegistry\n     * @param {object} modalElement The modal HTML jQuery object\n     * @return {object} Modal instance\n     */\n    var createFromElement = function(registryConf, modalElement) {\n        modalElement = $(modalElement);\n        var module = registryConf.module;\n        var modal = new module(modalElement);\n\n        return modal;\n    };\n\n    /**\n     * Create the correct modal instance for the given type, including loading\n     * the correct template.\n     *\n     * @method createFromType\n     * @param {object} registryConf A config from the ModalRegistry\n     * @param {object} templateContext The context to render the template with\n     * @return {promise} Resolved with a Modal instance\n     */\n    var createFromType = function(registryConf, templateContext) {\n        var templateName = registryConf.template;\n\n        var modalPromise = Templates.render(templateName, templateContext)\n            .then(function(html) {\n                var modalElement = $(html);\n                return createFromElement(registryConf, modalElement);\n            })\n            .fail(Notification.exception);\n\n        return modalPromise;\n    };\n\n    /**\n     * Create a Modal instance.\n     *\n     * @method create\n     * @param {object} modalConfig The configuration to create the modal instance\n     * @param {object} triggerElement The trigger HTML jQuery object\n     * @return {promise} Resolved with a Modal instance\n     */\n    var create = function(modalConfig, triggerElement) {\n        var type = modalConfig.type || TYPES.DEFAULT;\n        var isLarge = modalConfig.large ? true : false;\n        var registryConf = null;\n        var templateContext = {};\n\n        registryConf = ModalRegistry.get(type);\n\n        if (!registryConf) {\n            Notification.exception({message: 'Unable to find modal of type: ' + type});\n        }\n\n        if (typeof modalConfig.templateContext != 'undefined') {\n            templateContext = modalConfig.templateContext;\n        }\n\n        var modalPromise = createFromType(registryConf, templateContext)\n            .then(function(modal) {\n                if (typeof modalConfig.title != 'undefined') {\n                    modal.setTitle(modalConfig.title);\n                }\n\n                if (typeof modalConfig.body != 'undefined') {\n                    modal.setBody(modalConfig.body);\n                }\n\n                if (typeof modalConfig.footer != 'undefined') {\n                    modal.setFooter(modalConfig.footer);\n                }\n\n                if (modalConfig.buttons) {\n                    Object.entries(modalConfig.buttons).forEach(function([key, value]) {\n                        modal.setButtonText(key, value);\n                    });\n                }\n\n                if (isLarge) {\n                    modal.setLarge();\n                }\n\n                if (typeof modalConfig.removeOnClose !== 'undefined') {\n                    // If configured remove the modal when hiding it.\n                    modal.setRemoveOnClose(modalConfig.removeOnClose);\n                }\n\n                return modal;\n            });\n\n        if (typeof triggerElement != 'undefined') {\n            setUpTrigger(modalPromise, triggerElement, modalConfig);\n        }\n\n        return modalPromise;\n    };\n\n    return {\n        create: create,\n        types: TYPES,\n    };\n});\n"],"file":"modal_factory.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/modal_save_cancel.min.js b/lib/amd/build/modal_save_cancel.min.js
index 4ec033d7ae3..e1db4198975 100644
--- a/lib/amd/build/modal_save_cancel.min.js
+++ b/lib/amd/build/modal_save_cancel.min.js
@@ -1,2 +1,2 @@
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diff --git a/lib/amd/build/modal_save_cancel.min.js.map b/lib/amd/build/modal_save_cancel.min.js.map
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diff --git a/lib/amd/build/mustache.min.js.map b/lib/amd/build/mustache.min.js.map
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sourcesContent":["// The MIT License\n//\n// Copyright (c) 2009 Chris Wanstrath (Ruby)\n// Copyright (c) 2010-2014 Jan Lehnardt (JavaScript)\n// Copyright (c) 2010-2015 The mustache.js community\n//\n// Permission is hereby granted, free of charge, to any person obtaining\n// a copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to\n// permit persons to whom the Software is furnished to do so, subject to\n// the following conditions:\n//\n// The above copyright notice and this permission notice shall be\n// included in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\n// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\n// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\n// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\n// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n//\n\n// Description of import into Moodle:\n// Checkout from https://github.com/moodle/custom-mustache.js Branch: LAMBDA_ARGS\n// Rebase onto latest release tag from https://github.com/janl/mustache.js\n// Copy mustache.js into lib/amd/src/ in Moodle folder.\n// Add the license as a comment to the file and these instructions.\n// Add jshint tags so this file is not linted.\n// Remove the \"global define:\" comment (hint for linter)\n// Make sure that you have not removed the custom code for '$' and '<'.\n\n/*!\n * mustache.js - Logic-less {{mustache}} templates with JavaScript\n * http://github.com/janl/mustache.js\n */\n\n/* jshint ignore:start */\n\n(function defineMustache (global, factory) {\n  if (typeof exports === 'object' && exports && typeof exports.nodeName !== 'string') {\n    factory(exports); // CommonJS\n  } else if (typeof define === 'function' && define.amd) {\n    define(['exports'], factory); // AMD\n  } else {\n    global.Mustache = {};\n    factory(global.Mustache); // script, wsh, asp\n  }\n}(this, function mustacheFactory (mustache) {\n\n  var objectToString = Object.prototype.toString;\n  var isArray = Array.isArray || function isArrayPolyfill (object) {\n    return objectToString.call(object) === '[object Array]';\n  };\n\n  function isFunction (object) {\n    return typeof object === 'function';\n  }\n\n  /**\n   * More correct typeof string handling array\n   * which normally returns typeof 'object'\n   */\n  function typeStr (obj) {\n    return isArray(obj) ? 'array' : typeof obj;\n  }\n\n  function escapeRegExp (string) {\n    return string.replace(/[\\-\\[\\]{}()*+?.,\\\\\\^$|#\\s]/g, '\\\\$&');\n  }\n\n  /**\n   * Null safe way of checking whether or not an object,\n   * including its prototype, has a given property\n   */\n  function hasProperty (obj, propName) {\n    return obj != null && typeof obj === 'object' && (propName in obj);\n  }\n\n  /**\n   * Safe way of detecting whether or not the given thing is a primitive and\n   * whether it has the given property\n   */\n  function primitiveHasOwnProperty (primitive, propName) {\n    return (\n      primitive != null\n      && typeof primitive !== 'object'\n      && primitive.hasOwnProperty\n      && primitive.hasOwnProperty(propName)\n    );\n  }\n\n  // Workaround for https://issues.apache.org/jira/browse/COUCHDB-577\n  // See https://github.com/janl/mustache.js/issues/189\n  var regExpTest = RegExp.prototype.test;\n  function testRegExp (re, string) {\n    return regExpTest.call(re, string);\n  }\n\n  var nonSpaceRe = /\\S/;\n  function isWhitespace (string) {\n    return !testRegExp(nonSpaceRe, string);\n  }\n\n  var entityMap = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;',\n    '/': '&#x2F;',\n    '`': '&#x60;',\n    '=': '&#x3D;'\n  };\n\n  function escapeHtml (string) {\n    return String(string).replace(/[&<>\"'`=\\/]/g, function fromEntityMap (s) {\n      return entityMap[s];\n    });\n  }\n\n  var whiteRe = /\\s*/;\n  var spaceRe = /\\s+/;\n  var equalsRe = /\\s*=/;\n  var curlyRe = /\\s*\\}/;\n  var tagRe = /#|\\^|\\/|>|\\{|&|=|!|\\$|</;\n\n  /**\n   * Breaks up the given `template` string into a tree of tokens. If the `tags`\n   * argument is given here it must be an array with two string values: the\n   * opening and closing tags used in the template (e.g. [ \"<%\", \"%>\" ]). Of\n   * course, the default is to use mustaches (i.e. mustache.tags).\n   *\n   * A token is an array with at least 4 elements. The first element is the\n   * mustache symbol that was used inside the tag, e.g. \"#\" or \"&\". If the tag\n   * did not contain a symbol (i.e. {{myValue}}) this element is \"name\". For\n   * all text that appears outside a symbol this element is \"text\".\n   *\n   * The second element of a token is its \"value\". For mustache tags this is\n   * whatever else was inside the tag besides the opening symbol. For text tokens\n   * this is the text itself.\n   *\n   * The third and fourth elements of the token are the start and end indices,\n   * respectively, of the token in the original template.\n   *\n   * Tokens that are the root node of a subtree contain two more elements: 1) an\n   * array of tokens in the subtree and 2) the index in the original template at\n   * which the closing tag for that section begins.\n   *\n   * Tokens for partials also contain two more elements: 1) a string value of\n   * indendation prior to that tag and 2) the index of that tag on that line -\n   * eg a value of 2 indicates the partial is the third tag on this line.\n   */\n  function parseTemplate (template, tags) {\n    if (!template)\n      return [];\n    var lineHasNonSpace = false;\n    var sections = [];     // Stack to hold section tokens\n    var tokens = [];       // Buffer to hold the tokens\n    var spaces = [];       // Indices of whitespace tokens on the current line\n    var hasTag = false;    // Is there a {{tag}} on the current line?\n    var nonSpace = false;  // Is there a non-space char on the current line?\n    var indentation = '';  // Tracks indentation for tags that use it\n    var tagIndex = 0;      // Stores a count of number of tags encountered on a line\n\n    // Strips all whitespace tokens array for the current line\n    // if there was a {{#tag}} on it and otherwise only space.\n    function stripSpace () {\n      if (hasTag && !nonSpace) {\n        while (spaces.length)\n          delete tokens[spaces.pop()];\n      } else {\n        spaces = [];\n      }\n\n      hasTag = false;\n      nonSpace = false;\n    }\n\n    var openingTagRe, closingTagRe, closingCurlyRe;\n    function compileTags (tagsToCompile) {\n      if (typeof tagsToCompile === 'string')\n        tagsToCompile = tagsToCompile.split(spaceRe, 2);\n\n      if (!isArray(tagsToCompile) || tagsToCompile.length !== 2)\n        throw new Error('Invalid tags: ' + tagsToCompile);\n\n      openingTagRe = new RegExp(escapeRegExp(tagsToCompile[0]) + '\\\\s*');\n      closingTagRe = new RegExp('\\\\s*' + escapeRegExp(tagsToCompile[1]));\n      closingCurlyRe = new RegExp('\\\\s*' + escapeRegExp('}' + tagsToCompile[1]));\n    }\n\n    compileTags(tags || mustache.tags);\n\n    var scanner = new Scanner(template);\n\n    var start, type, value, chr, token, openSection;\n    while (!scanner.eos()) {\n      start = scanner.pos;\n\n      // Match any text between tags.\n      value = scanner.scanUntil(openingTagRe);\n\n      if (value) {\n        for (var i = 0, valueLength = value.length; i < valueLength; ++i) {\n          chr = value.charAt(i);\n\n          if (isWhitespace(chr)) {\n            spaces.push(tokens.length);\n            indentation += chr;\n          } else {\n            nonSpace = true;\n            lineHasNonSpace = true;\n            indentation += ' ';\n          }\n\n          tokens.push([ 'text', chr, start, start + 1 ]);\n          start += 1;\n\n          // Check for whitespace on the current line.\n          if (chr === '\\n') {\n            stripSpace();\n            indentation = '';\n            tagIndex = 0;\n            lineHasNonSpace = false;\n          }\n        }\n      }\n\n      // Match the opening tag.\n      if (!scanner.scan(openingTagRe))\n        break;\n\n      hasTag = true;\n\n      // Get the tag type.\n      type = scanner.scan(tagRe) || 'name';\n      scanner.scan(whiteRe);\n\n      // Get the tag value.\n      if (type === '=') {\n        value = scanner.scanUntil(equalsRe);\n        scanner.scan(equalsRe);\n        scanner.scanUntil(closingTagRe);\n      } else if (type === '{') {\n        value = scanner.scanUntil(closingCurlyRe);\n        scanner.scan(curlyRe);\n        scanner.scanUntil(closingTagRe);\n        type = '&';\n      } else {\n        value = scanner.scanUntil(closingTagRe);\n      }\n\n      // Match the closing tag.\n      if (!scanner.scan(closingTagRe))\n        throw new Error('Unclosed tag at ' + scanner.pos);\n\n      if (type == '>') {\n        token = [ type, value, start, scanner.pos, indentation, tagIndex, lineHasNonSpace ];\n      } else {\n        token = [ type, value, start, scanner.pos ];\n      }\n      tagIndex++;\n      tokens.push(token);\n\n      if (type === '#' || type === '^' || type === '$' || type === '<') {\n        sections.push(token);\n      } else if (type === '/') {\n        // Check section nesting.\n        openSection = sections.pop();\n\n        if (!openSection)\n          throw new Error('Unopened section \"' + value + '\" at ' + start);\n\n        if (openSection[1] !== value)\n          throw new Error('Unclosed section \"' + openSection[1] + '\" at ' + start);\n      } else if (type === 'name' || type === '{' || type === '&') {\n        nonSpace = true;\n      } else if (type === '=') {\n        // Set the tags for the next time around.\n        compileTags(value);\n      }\n    }\n\n    stripSpace();\n\n    // Make sure there are no open sections when we're done.\n    openSection = sections.pop();\n\n    if (openSection)\n      throw new Error('Unclosed section \"' + openSection[1] + '\" at ' + scanner.pos);\n\n    return nestTokens(squashTokens(tokens));\n  }\n\n  /**\n   * Combines the values of consecutive text tokens in the given `tokens` array\n   * to a single token.\n   */\n  function squashTokens (tokens) {\n    var squashedTokens = [];\n\n    var token, lastToken;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      token = tokens[i];\n\n      if (token) {\n        if (token[0] === 'text' && lastToken && lastToken[0] === 'text') {\n          lastToken[1] += token[1];\n          lastToken[3] = token[3];\n        } else {\n          squashedTokens.push(token);\n          lastToken = token;\n        }\n      }\n    }\n\n    return squashedTokens;\n  }\n\n  /**\n   * Forms the given array of `tokens` into a nested tree structure where\n   * tokens that represent a section have two additional items: 1) an array of\n   * all tokens that appear in that section and 2) the index in the original\n   * template that represents the end of that section.\n   */\n  function nestTokens (tokens) {\n    var nestedTokens = [];\n    var collector = nestedTokens;\n    var sections = [];\n\n    var token, section;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      token = tokens[i];\n\n      switch (token[0]) {\n        case '$':\n        case '<':\n        case '#':\n        case '^':\n          collector.push(token);\n          sections.push(token);\n          collector = token[4] = [];\n          break;\n        case '/':\n          section = sections.pop();\n          section[5] = token[2];\n          collector = sections.length > 0 ? sections[sections.length - 1][4] : nestedTokens;\n          break;\n        default:\n          collector.push(token);\n      }\n    }\n\n    return nestedTokens;\n  }\n\n  /**\n   * A simple string scanner that is used by the template parser to find\n   * tokens in template strings.\n   */\n  function Scanner (string) {\n    this.string = string;\n    this.tail = string;\n    this.pos = 0;\n  }\n\n  /**\n   * Returns `true` if the tail is empty (end of string).\n   */\n  Scanner.prototype.eos = function eos () {\n    return this.tail === '';\n  };\n\n  /**\n   * Tries to match the given regular expression at the current position.\n   * Returns the matched text if it can match, the empty string otherwise.\n   */\n  Scanner.prototype.scan = function scan (re) {\n    var match = this.tail.match(re);\n\n    if (!match || match.index !== 0)\n      return '';\n\n    var string = match[0];\n\n    this.tail = this.tail.substring(string.length);\n    this.pos += string.length;\n\n    return string;\n  };\n\n  /**\n   * Skips all text until the given regular expression can be matched. Returns\n   * the skipped string, which is the entire tail if no match can be made.\n   */\n  Scanner.prototype.scanUntil = function scanUntil (re) {\n    var index = this.tail.search(re), match;\n\n    switch (index) {\n      case -1:\n        match = this.tail;\n        this.tail = '';\n        break;\n      case 0:\n        match = '';\n        break;\n      default:\n        match = this.tail.substring(0, index);\n        this.tail = this.tail.substring(index);\n    }\n\n    this.pos += match.length;\n\n    return match;\n  };\n\n  /**\n   * Represents a rendering context by wrapping a view object and\n   * maintaining a reference to the parent context.\n   */\n  function Context (view, parentContext) {\n    this.view = view;\n    this.blocks = {};\n    this.cache = { '.': this.view };\n    this.parent = parentContext;\n  }\n\n  /**\n   * Creates a new context using the given view with this context\n   * as the parent.\n   */\n  Context.prototype.push = function push (view) {\n    return new Context(view, this);\n  };\n\n  /**\n   * Set a value in the current block context.\n   */\n  Context.prototype.setBlockVar = function set (name, value) {\n    var blocks = this.blocks;\n\n    blocks[name] = value;\n\n    return value;\n  };\n\n  /**\n   * Clear all current block vars.\n   */\n  Context.prototype.clearBlockVars = function clearBlockVars () {\n    this.blocks = {};\n  };\n\n  /**\n   * Get a value only from the current block context.\n   */\n  Context.prototype.getBlockVar = function getBlockVar (name) {\n    var blocks = this.blocks;\n\n    var value;\n    if (blocks.hasOwnProperty(name)) {\n      value = blocks[name];\n    } else {\n      if (this.parent) {\n        value = this.parent.getBlockVar(name);\n      }\n    }\n    // Can return undefined.\n    return value;\n  };\n\n  /**\n   * Returns the value of the given name in this context, traversing\n   * up the context hierarchy if the value is absent in this context's view.\n   */\n  Context.prototype.lookup = function lookup (name) {\n    var cache = this.cache;\n\n    var value;\n    if (cache.hasOwnProperty(name)) {\n      value = cache[name];\n    } else {\n      var context = this, intermediateValue, names, index, lookupHit = false;\n\n      while (context) {\n        if (name.indexOf('.') > 0) {\n          intermediateValue = context.view;\n          names = name.split('.');\n          index = 0;\n\n          /**\n           * Using the dot notion path in `name`, we descend through the\n           * nested objects.\n           *\n           * To be certain that the lookup has been successful, we have to\n           * check if the last object in the path actually has the property\n           * we are looking for. We store the result in `lookupHit`.\n           *\n           * This is specially necessary for when the value has been set to\n           * `undefined` and we want to avoid looking up parent contexts.\n           *\n           * In the case where dot notation is used, we consider the lookup\n           * to be successful even if the last \"object\" in the path is\n           * not actually an object but a primitive (e.g., a string, or an\n           * integer), because it is sometimes useful to access a property\n           * of an autoboxed primitive, such as the length of a string.\n           **/\n          while (intermediateValue != null && index < names.length) {\n            if (index === names.length - 1)\n              lookupHit = (\n                hasProperty(intermediateValue, names[index])\n                || primitiveHasOwnProperty(intermediateValue, names[index])\n              );\n\n            intermediateValue = intermediateValue[names[index++]];\n          }\n        } else {\n          intermediateValue = context.view[name];\n\n          /**\n           * Only checking against `hasProperty`, which always returns `false` if\n           * `context.view` is not an object. Deliberately omitting the check\n           * against `primitiveHasOwnProperty` if dot notation is not used.\n           *\n           * Consider this example:\n           * ```\n           * Mustache.render(\"The length of a football field is {{#length}}{{length}}{{/length}}.\", {length: \"100 yards\"})\n           * ```\n           *\n           * If we were to check also against `primitiveHasOwnProperty`, as we do\n           * in the dot notation case, then render call would return:\n           *\n           * \"The length of a football field is 9.\"\n           *\n           * rather than the expected:\n           *\n           * \"The length of a football field is 100 yards.\"\n           **/\n          lookupHit = hasProperty(context.view, name);\n        }\n\n        if (lookupHit) {\n          value = intermediateValue;\n          break;\n        }\n\n        context = context.parent;\n      }\n\n      cache[name] = value;\n    }\n\n    if (isFunction(value))\n      value = value.call(this.view);\n\n    return value;\n  };\n\n  /**\n   * A Writer knows how to take a stream of tokens and render them to a\n   * string, given a context. It also maintains a cache of templates to\n   * avoid the need to parse the same template twice.\n   */\n  function Writer () {\n    this.cache = {};\n  }\n\n  /**\n   * Clears all cached templates in this writer.\n   */\n  Writer.prototype.clearCache = function clearCache () {\n    this.cache = {};\n  };\n\n  /**\n   * Parses and caches the given `template` according to the given `tags` or\n   * `mustache.tags` if `tags` is omitted,  and returns the array of tokens\n   * that is generated from the parse.\n   */\n  Writer.prototype.parse = function parse (template, tags) {\n    var cache = this.cache;\n    var cacheKey = template + ':' + (tags || mustache.tags).join(':');\n    var tokens = cache[cacheKey];\n\n    if (tokens == null)\n      tokens = cache[cacheKey] = parseTemplate(template, tags);\n\n    return tokens;\n  };\n\n  /**\n   * High-level method that is used to render the given `template` with\n   * the given `view`.\n   *\n   * The optional `partials` argument may be an object that contains the\n   * names and templates of partials that are used in the template. It may\n   * also be a function that is used to load partial templates on the fly\n   * that takes a single argument: the name of the partial.\n   *\n   * If the optional `tags` argument is given here it must be an array with two\n   * string values: the opening and closing tags used in the template (e.g.\n   * [ \"<%\", \"%>\" ]). The default is to mustache.tags.\n   */\n  Writer.prototype.render = function render (template, view, partials, tags) {\n    var tokens = this.parse(template, tags);\n    var context = (view instanceof Context) ? view : new Context(view);\n    return this.renderTokens(tokens, context, partials, template, tags);\n  };\n\n  /**\n   * Low-level method that renders the given array of `tokens` using\n   * the given `context` and `partials`.\n   *\n   * Note: The `originalTemplate` is only ever used to extract the portion\n   * of the original template that was contained in a higher-order section.\n   * If the template doesn't use higher-order sections, this argument may\n   * be omitted.\n   */\n  Writer.prototype.renderTokens = function renderTokens (tokens, context, partials, originalTemplate, tags) {\n    var buffer = '';\n\n    var token, symbol, value;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      value = undefined;\n      token = tokens[i];\n      symbol = token[0];\n\n      if (symbol === '#') value = this.renderSection(token, context, partials, originalTemplate);\n      else if (symbol === '^') value = this.renderInverted(token, context, partials, originalTemplate);\n      else if (symbol === '>') value = this.renderPartial(token, context, partials, tags);\n      else if (symbol === '<') value = this.renderBlock(token, context, partials, originalTemplate);\n      else if (symbol === '$') value = this.renderBlockVariable(token, context, partials, originalTemplate);\n      else if (symbol === '&') value = this.unescapedValue(token, context);\n      else if (symbol === 'name') value = this.escapedValue(token, context);\n      else if (symbol === 'text') value = this.rawValue(token);\n\n      if (value !== undefined)\n        buffer += value;\n    }\n\n    return buffer;\n  };\n\n  Writer.prototype.renderSection = function renderSection (token, context, partials, originalTemplate) {\n    var self = this;\n    var buffer = '';\n    var value = context.lookup(token[1]);\n\n    // This function is used to render an arbitrary template\n    // in the current context by higher-order sections.\n    function subRender (template) {\n      return self.render(template, context, partials);\n    }\n\n    if (!value) return;\n\n    if (isArray(value)) {\n      for (var j = 0, valueLength = value.length; j < valueLength; ++j) {\n        buffer += this.renderTokens(token[4], context.push(value[j]), partials, originalTemplate);\n      }\n    } else if (typeof value === 'object' || typeof value === 'string' || typeof value === 'number') {\n      buffer += this.renderTokens(token[4], context.push(value), partials, originalTemplate);\n    } else if (isFunction(value)) {\n      if (typeof originalTemplate !== 'string')\n        throw new Error('Cannot use higher-order sections without the original template');\n\n      // Extract the portion of the original template that the section contains.\n      value = value.call(context.view, originalTemplate.slice(token[3], token[5]), subRender);\n\n      if (value != null)\n        buffer += value;\n    } else {\n      buffer += this.renderTokens(token[4], context, partials, originalTemplate);\n    }\n    return buffer;\n  };\n\n  Writer.prototype.renderInverted = function renderInverted (token, context, partials, originalTemplate) {\n    var value = context.lookup(token[1]);\n\n    // Use JavaScript's definition of falsy. Include empty arrays.\n    // See https://github.com/janl/mustache.js/issues/186\n    if (!value || (isArray(value) && value.length === 0))\n      return this.renderTokens(token[4], context, partials, originalTemplate);\n  };\n\n  Writer.prototype.indentPartial = function indentPartial (partial, indentation, lineHasNonSpace) {\n    var filteredIndentation = indentation.replace(/[^ \\t]/g, '');\n    var partialByNl = partial.split('\\n');\n    for (var i = 0; i < partialByNl.length; i++) {\n      if (partialByNl[i].length && (i > 0 || !lineHasNonSpace)) {\n        partialByNl[i] = filteredIndentation + partialByNl[i];\n      }\n    }\n    return partialByNl.join('\\n');\n  };\n\n  Writer.prototype.renderPartial = function renderPartial (token, context, partials, tags) {\n    if (!partials) return;\n\n    var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];\n    if (value != null) {\n      var lineHasNonSpace = token[6];\n      var tagIndex = token[5];\n      var indentation = token[4];\n      var indentedValue = value;\n      if (tagIndex == 0 && indentation) {\n        indentedValue = this.indentPartial(value, indentation, lineHasNonSpace);\n      }\n      return this.renderTokens(this.parse(indentedValue, tags), context, partials, indentedValue);\n    }\n  };\n\n  Writer.prototype.renderBlock = function renderBlock (token, context, partials, originalTemplate) {\n    if (!partials) return;\n\n    var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];\n    if (value != null)\n    // Ignore any wrongly set block vars before we started.\n      context.clearBlockVars();\n    // We are only rendering to record the default block variables.\n    this.renderTokens(token[4], context, partials, originalTemplate);\n    // Now we render and return the result.\n    var result = this.renderTokens(this.parse(value), context, partials, value);\n    // Don't leak the block variables outside this include.\n    context.clearBlockVars();\n    return result;\n  };\n\n  Writer.prototype.renderBlockVariable = function renderBlockVariable (token, context, partials, originalTemplate) {\n    var value = token[1];\n\n    var exists = context.getBlockVar(value);\n    if (!exists) {\n      context.setBlockVar(value, originalTemplate.slice(token[3], token[5]));\n      return this.renderTokens(token[4], context, partials, originalTemplate);\n    } else {\n      return this.renderTokens(this.parse(exists), context, partials, exists);\n    }\n  };\n\n  Writer.prototype.unescapedValue = function unescapedValue (token, context) {\n    var value = context.lookup(token[1]);\n    if (value != null)\n      return value;\n  };\n\n  Writer.prototype.escapedValue = function escapedValue (token, context) {\n    var value = context.lookup(token[1]);\n    if (value != null)\n      return mustache.escape(value);\n  };\n\n  Writer.prototype.rawValue = function rawValue (token) {\n    return token[1];\n  };\n\n  mustache.name = 'mustache.js';\n  mustache.version = '3.1.0';\n  mustache.tags = [ '{{', '}}' ];\n\n  // All high-level mustache.* functions use this writer.\n  var defaultWriter = new Writer();\n\n  /**\n   * Clears all cached templates in the default writer.\n   */\n  mustache.clearCache = function clearCache () {\n    return defaultWriter.clearCache();\n  };\n\n  /**\n   * Parses and caches the given template in the default writer and returns the\n   * array of tokens it contains. Doing this ahead of time avoids the need to\n   * parse templates on the fly as they are rendered.\n   */\n  mustache.parse = function parse (template, tags) {\n    return defaultWriter.parse(template, tags);\n  };\n\n  /**\n   * Renders the `template` with the given `view` and `partials` using the\n   * default writer. If the optional `tags` argument is given here it must be an\n   * array with two string values: the opening and closing tags used in the\n   * template (e.g. [ \"<%\", \"%>\" ]). The default is to mustache.tags.\n   */\n  mustache.render = function render (template, view, partials, tags) {\n    if (typeof template !== 'string') {\n      throw new TypeError('Invalid template! Template should be a \"string\" ' +\n                          'but \"' + typeStr(template) + '\" was given as the first ' +\n                          'argument for mustache#render(template, view, partials)');\n    }\n\n    return defaultWriter.render(template, view, partials, tags);\n  };\n\n  // This is here for backwards compatibility with 0.4.x.,\n  /*eslint-disable */ // eslint wants camel cased function name\n  mustache.to_html = function to_html (template, view, partials, send) {\n    /*eslint-enable*/\n\n    var result = mustache.render(template, view, partials);\n\n    if (isFunction(send)) {\n      send(result);\n    } else {\n      return result;\n    }\n  };\n\n  // Export the escaping function so that the user may override it.\n  // See https://github.com/janl/mustache.js/issues/244\n  mustache.escape = escapeHtml;\n\n  // Export these mainly for testing, but also for advanced usage.\n  mustache.Scanner = Scanner;\n  mustache.Context = Context;\n  mustache.Writer = Writer;\n\n  return mustache;\n}));\n/* jshint ignore:end */\n"],"file":"mustache.min.js"}
\ No newline at end of file
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sourcesContent":["// The MIT License\n//\n// Copyright (c) 2009 Chris Wanstrath (Ruby)\n// Copyright (c) 2010-2014 Jan Lehnardt (JavaScript)\n// Copyright (c) 2010-2015 The mustache.js community\n//\n// Permission is hereby granted, free of charge, to any person obtaining\n// a copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to\n// permit persons to whom the Software is furnished to do so, subject to\n// the following conditions:\n//\n// The above copyright notice and this permission notice shall be\n// included in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\n// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\n// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\n// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\n// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n//\n\n// Description of import into Moodle:\n// Checkout from https://github.com/moodle/custom-mustache.js Branch: LAMBDA_ARGS\n// Rebase onto latest release tag from https://github.com/janl/mustache.js\n// Copy mustache.js into lib/amd/src/ in Moodle folder.\n// Add the license as a comment to the file and these instructions.\n// Add jshint tags so this file is not linted.\n// Remove the \"global define:\" comment (hint for linter)\n// Make sure that you have not removed the custom code for '$' and '<'.\n\n/*!\n * mustache.js - Logic-less {{mustache}} templates with JavaScript\n * http://github.com/janl/mustache.js\n */\n\n/* jshint ignore:start */\n\n(function defineMustache (global, factory) {\n  if (typeof exports === 'object' && exports && typeof exports.nodeName !== 'string') {\n    factory(exports); // CommonJS\n  } else if (typeof define === 'function' && define.amd) {\n    define(['exports'], factory); // AMD\n  } else {\n    global.Mustache = {};\n    factory(global.Mustache); // script, wsh, asp\n  }\n}(this, function mustacheFactory (mustache) {\n\n  var objectToString = Object.prototype.toString;\n  var isArray = Array.isArray || function isArrayPolyfill (object) {\n    return objectToString.call(object) === '[object Array]';\n  };\n\n  function isFunction (object) {\n    return typeof object === 'function';\n  }\n\n  /**\n   * More correct typeof string handling array\n   * which normally returns typeof 'object'\n   */\n  function typeStr (obj) {\n    return isArray(obj) ? 'array' : typeof obj;\n  }\n\n  function escapeRegExp (string) {\n    return string.replace(/[\\-\\[\\]{}()*+?.,\\\\\\^$|#\\s]/g, '\\\\$&');\n  }\n\n  /**\n   * Null safe way of checking whether or not an object,\n   * including its prototype, has a given property\n   */\n  function hasProperty (obj, propName) {\n    return obj != null && typeof obj === 'object' && (propName in obj);\n  }\n\n  /**\n   * Safe way of detecting whether or not the given thing is a primitive and\n   * whether it has the given property\n   */\n  function primitiveHasOwnProperty (primitive, propName) {\n    return (\n      primitive != null\n      && typeof primitive !== 'object'\n      && primitive.hasOwnProperty\n      && primitive.hasOwnProperty(propName)\n    );\n  }\n\n  // Workaround for https://issues.apache.org/jira/browse/COUCHDB-577\n  // See https://github.com/janl/mustache.js/issues/189\n  var regExpTest = RegExp.prototype.test;\n  function testRegExp (re, string) {\n    return regExpTest.call(re, string);\n  }\n\n  var nonSpaceRe = /\\S/;\n  function isWhitespace (string) {\n    return !testRegExp(nonSpaceRe, string);\n  }\n\n  var entityMap = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;',\n    '/': '&#x2F;',\n    '`': '&#x60;',\n    '=': '&#x3D;'\n  };\n\n  function escapeHtml (string) {\n    return String(string).replace(/[&<>\"'`=\\/]/g, function fromEntityMap (s) {\n      return entityMap[s];\n    });\n  }\n\n  var whiteRe = /\\s*/;\n  var spaceRe = /\\s+/;\n  var equalsRe = /\\s*=/;\n  var curlyRe = /\\s*\\}/;\n  var tagRe = /#|\\^|\\/|>|\\{|&|=|!|\\$|</;\n\n  /**\n   * Breaks up the given `template` string into a tree of tokens. If the `tags`\n   * argument is given here it must be an array with two string values: the\n   * opening and closing tags used in the template (e.g. [ \"<%\", \"%>\" ]). Of\n   * course, the default is to use mustaches (i.e. mustache.tags).\n   *\n   * A token is an array with at least 4 elements. The first element is the\n   * mustache symbol that was used inside the tag, e.g. \"#\" or \"&\". If the tag\n   * did not contain a symbol (i.e. {{myValue}}) this element is \"name\". For\n   * all text that appears outside a symbol this element is \"text\".\n   *\n   * The second element of a token is its \"value\". For mustache tags this is\n   * whatever else was inside the tag besides the opening symbol. For text tokens\n   * this is the text itself.\n   *\n   * The third and fourth elements of the token are the start and end indices,\n   * respectively, of the token in the original template.\n   *\n   * Tokens that are the root node of a subtree contain two more elements: 1) an\n   * array of tokens in the subtree and 2) the index in the original template at\n   * which the closing tag for that section begins.\n   *\n   * Tokens for partials also contain two more elements: 1) a string value of\n   * indendation prior to that tag and 2) the index of that tag on that line -\n   * eg a value of 2 indicates the partial is the third tag on this line.\n   */\n  function parseTemplate (template, tags) {\n    if (!template)\n      return [];\n    var lineHasNonSpace = false;\n    var sections = [];     // Stack to hold section tokens\n    var tokens = [];       // Buffer to hold the tokens\n    var spaces = [];       // Indices of whitespace tokens on the current line\n    var hasTag = false;    // Is there a {{tag}} on the current line?\n    var nonSpace = false;  // Is there a non-space char on the current line?\n    var indentation = '';  // Tracks indentation for tags that use it\n    var tagIndex = 0;      // Stores a count of number of tags encountered on a line\n\n    // Strips all whitespace tokens array for the current line\n    // if there was a {{#tag}} on it and otherwise only space.\n    function stripSpace () {\n      if (hasTag && !nonSpace) {\n        while (spaces.length)\n          delete tokens[spaces.pop()];\n      } else {\n        spaces = [];\n      }\n\n      hasTag = false;\n      nonSpace = false;\n    }\n\n    var openingTagRe, closingTagRe, closingCurlyRe;\n    function compileTags (tagsToCompile) {\n      if (typeof tagsToCompile === 'string')\n        tagsToCompile = tagsToCompile.split(spaceRe, 2);\n\n      if (!isArray(tagsToCompile) || tagsToCompile.length !== 2)\n        throw new Error('Invalid tags: ' + tagsToCompile);\n\n      openingTagRe = new RegExp(escapeRegExp(tagsToCompile[0]) + '\\\\s*');\n      closingTagRe = new RegExp('\\\\s*' + escapeRegExp(tagsToCompile[1]));\n      closingCurlyRe = new RegExp('\\\\s*' + escapeRegExp('}' + tagsToCompile[1]));\n    }\n\n    compileTags(tags || mustache.tags);\n\n    var scanner = new Scanner(template);\n\n    var start, type, value, chr, token, openSection;\n    while (!scanner.eos()) {\n      start = scanner.pos;\n\n      // Match any text between tags.\n      value = scanner.scanUntil(openingTagRe);\n\n      if (value) {\n        for (var i = 0, valueLength = value.length; i < valueLength; ++i) {\n          chr = value.charAt(i);\n\n          if (isWhitespace(chr)) {\n            spaces.push(tokens.length);\n            indentation += chr;\n          } else {\n            nonSpace = true;\n            lineHasNonSpace = true;\n            indentation += ' ';\n          }\n\n          tokens.push([ 'text', chr, start, start + 1 ]);\n          start += 1;\n\n          // Check for whitespace on the current line.\n          if (chr === '\\n') {\n            stripSpace();\n            indentation = '';\n            tagIndex = 0;\n            lineHasNonSpace = false;\n          }\n        }\n      }\n\n      // Match the opening tag.\n      if (!scanner.scan(openingTagRe))\n        break;\n\n      hasTag = true;\n\n      // Get the tag type.\n      type = scanner.scan(tagRe) || 'name';\n      scanner.scan(whiteRe);\n\n      // Get the tag value.\n      if (type === '=') {\n        value = scanner.scanUntil(equalsRe);\n        scanner.scan(equalsRe);\n        scanner.scanUntil(closingTagRe);\n      } else if (type === '{') {\n        value = scanner.scanUntil(closingCurlyRe);\n        scanner.scan(curlyRe);\n        scanner.scanUntil(closingTagRe);\n        type = '&';\n      } else {\n        value = scanner.scanUntil(closingTagRe);\n      }\n\n      // Match the closing tag.\n      if (!scanner.scan(closingTagRe))\n        throw new Error('Unclosed tag at ' + scanner.pos);\n\n      if (type == '>') {\n        token = [ type, value, start, scanner.pos, indentation, tagIndex, lineHasNonSpace ];\n      } else {\n        token = [ type, value, start, scanner.pos ];\n      }\n      tagIndex++;\n      tokens.push(token);\n\n      if (type === '#' || type === '^' || type === '$' || type === '<') {\n        sections.push(token);\n      } else if (type === '/') {\n        // Check section nesting.\n        openSection = sections.pop();\n\n        if (!openSection)\n          throw new Error('Unopened section \"' + value + '\" at ' + start);\n\n        if (openSection[1] !== value)\n          throw new Error('Unclosed section \"' + openSection[1] + '\" at ' + start);\n      } else if (type === 'name' || type === '{' || type === '&') {\n        nonSpace = true;\n      } else if (type === '=') {\n        // Set the tags for the next time around.\n        compileTags(value);\n      }\n    }\n\n    stripSpace();\n\n    // Make sure there are no open sections when we're done.\n    openSection = sections.pop();\n\n    if (openSection)\n      throw new Error('Unclosed section \"' + openSection[1] + '\" at ' + scanner.pos);\n\n    return nestTokens(squashTokens(tokens));\n  }\n\n  /**\n   * Combines the values of consecutive text tokens in the given `tokens` array\n   * to a single token.\n   */\n  function squashTokens (tokens) {\n    var squashedTokens = [];\n\n    var token, lastToken;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      token = tokens[i];\n\n      if (token) {\n        if (token[0] === 'text' && lastToken && lastToken[0] === 'text') {\n          lastToken[1] += token[1];\n          lastToken[3] = token[3];\n        } else {\n          squashedTokens.push(token);\n          lastToken = token;\n        }\n      }\n    }\n\n    return squashedTokens;\n  }\n\n  /**\n   * Forms the given array of `tokens` into a nested tree structure where\n   * tokens that represent a section have two additional items: 1) an array of\n   * all tokens that appear in that section and 2) the index in the original\n   * template that represents the end of that section.\n   */\n  function nestTokens (tokens) {\n    var nestedTokens = [];\n    var collector = nestedTokens;\n    var sections = [];\n\n    var token, section;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      token = tokens[i];\n\n      switch (token[0]) {\n        case '$':\n        case '<':\n        case '#':\n        case '^':\n          collector.push(token);\n          sections.push(token);\n          collector = token[4] = [];\n          break;\n        case '/':\n          section = sections.pop();\n          section[5] = token[2];\n          collector = sections.length > 0 ? sections[sections.length - 1][4] : nestedTokens;\n          break;\n        default:\n          collector.push(token);\n      }\n    }\n\n    return nestedTokens;\n  }\n\n  /**\n   * A simple string scanner that is used by the template parser to find\n   * tokens in template strings.\n   */\n  function Scanner (string) {\n    this.string = string;\n    this.tail = string;\n    this.pos = 0;\n  }\n\n  /**\n   * Returns `true` if the tail is empty (end of string).\n   */\n  Scanner.prototype.eos = function eos () {\n    return this.tail === '';\n  };\n\n  /**\n   * Tries to match the given regular expression at the current position.\n   * Returns the matched text if it can match, the empty string otherwise.\n   */\n  Scanner.prototype.scan = function scan (re) {\n    var match = this.tail.match(re);\n\n    if (!match || match.index !== 0)\n      return '';\n\n    var string = match[0];\n\n    this.tail = this.tail.substring(string.length);\n    this.pos += string.length;\n\n    return string;\n  };\n\n  /**\n   * Skips all text until the given regular expression can be matched. Returns\n   * the skipped string, which is the entire tail if no match can be made.\n   */\n  Scanner.prototype.scanUntil = function scanUntil (re) {\n    var index = this.tail.search(re), match;\n\n    switch (index) {\n      case -1:\n        match = this.tail;\n        this.tail = '';\n        break;\n      case 0:\n        match = '';\n        break;\n      default:\n        match = this.tail.substring(0, index);\n        this.tail = this.tail.substring(index);\n    }\n\n    this.pos += match.length;\n\n    return match;\n  };\n\n  /**\n   * Represents a rendering context by wrapping a view object and\n   * maintaining a reference to the parent context.\n   */\n  function Context (view, parentContext) {\n    this.view = view;\n    this.blocks = {};\n    this.cache = { '.': this.view };\n    this.parent = parentContext;\n  }\n\n  /**\n   * Creates a new context using the given view with this context\n   * as the parent.\n   */\n  Context.prototype.push = function push (view) {\n    return new Context(view, this);\n  };\n\n  /**\n   * Set a value in the current block context.\n   */\n  Context.prototype.setBlockVar = function set (name, value) {\n    var blocks = this.blocks;\n\n    blocks[name] = value;\n\n    return value;\n  };\n\n  /**\n   * Clear all current block vars.\n   */\n  Context.prototype.clearBlockVars = function clearBlockVars () {\n    this.blocks = {};\n  };\n\n  /**\n   * Get a value only from the current block context.\n   */\n  Context.prototype.getBlockVar = function getBlockVar (name) {\n    var blocks = this.blocks;\n\n    var value;\n    if (blocks.hasOwnProperty(name)) {\n      value = blocks[name];\n    } else {\n      if (this.parent) {\n        value = this.parent.getBlockVar(name);\n      }\n    }\n    // Can return undefined.\n    return value;\n  };\n\n  /**\n   * Returns the value of the given name in this context, traversing\n   * up the context hierarchy if the value is absent in this context's view.\n   */\n  Context.prototype.lookup = function lookup (name) {\n    var cache = this.cache;\n\n    var value;\n    if (cache.hasOwnProperty(name)) {\n      value = cache[name];\n    } else {\n      var context = this, intermediateValue, names, index, lookupHit = false;\n\n      while (context) {\n        if (name.indexOf('.') > 0) {\n          intermediateValue = context.view;\n          names = name.split('.');\n          index = 0;\n\n          /**\n           * Using the dot notion path in `name`, we descend through the\n           * nested objects.\n           *\n           * To be certain that the lookup has been successful, we have to\n           * check if the last object in the path actually has the property\n           * we are looking for. We store the result in `lookupHit`.\n           *\n           * This is specially necessary for when the value has been set to\n           * `undefined` and we want to avoid looking up parent contexts.\n           *\n           * In the case where dot notation is used, we consider the lookup\n           * to be successful even if the last \"object\" in the path is\n           * not actually an object but a primitive (e.g., a string, or an\n           * integer), because it is sometimes useful to access a property\n           * of an autoboxed primitive, such as the length of a string.\n           **/\n          while (intermediateValue != null && index < names.length) {\n            if (index === names.length - 1)\n              lookupHit = (\n                hasProperty(intermediateValue, names[index])\n                || primitiveHasOwnProperty(intermediateValue, names[index])\n              );\n\n            intermediateValue = intermediateValue[names[index++]];\n          }\n        } else {\n          intermediateValue = context.view[name];\n\n          /**\n           * Only checking against `hasProperty`, which always returns `false` if\n           * `context.view` is not an object. Deliberately omitting the check\n           * against `primitiveHasOwnProperty` if dot notation is not used.\n           *\n           * Consider this example:\n           * ```\n           * Mustache.render(\"The length of a football field is {{#length}}{{length}}{{/length}}.\", {length: \"100 yards\"})\n           * ```\n           *\n           * If we were to check also against `primitiveHasOwnProperty`, as we do\n           * in the dot notation case, then render call would return:\n           *\n           * \"The length of a football field is 9.\"\n           *\n           * rather than the expected:\n           *\n           * \"The length of a football field is 100 yards.\"\n           **/\n          lookupHit = hasProperty(context.view, name);\n        }\n\n        if (lookupHit) {\n          value = intermediateValue;\n          break;\n        }\n\n        context = context.parent;\n      }\n\n      cache[name] = value;\n    }\n\n    if (isFunction(value))\n      value = value.call(this.view);\n\n    return value;\n  };\n\n  /**\n   * A Writer knows how to take a stream of tokens and render them to a\n   * string, given a context. It also maintains a cache of templates to\n   * avoid the need to parse the same template twice.\n   */\n  function Writer () {\n    this.cache = {};\n  }\n\n  /**\n   * Clears all cached templates in this writer.\n   */\n  Writer.prototype.clearCache = function clearCache () {\n    this.cache = {};\n  };\n\n  /**\n   * Parses and caches the given `template` according to the given `tags` or\n   * `mustache.tags` if `tags` is omitted,  and returns the array of tokens\n   * that is generated from the parse.\n   */\n  Writer.prototype.parse = function parse (template, tags) {\n    var cache = this.cache;\n    var cacheKey = template + ':' + (tags || mustache.tags).join(':');\n    var tokens = cache[cacheKey];\n\n    if (tokens == null)\n      tokens = cache[cacheKey] = parseTemplate(template, tags);\n\n    return tokens;\n  };\n\n  /**\n   * High-level method that is used to render the given `template` with\n   * the given `view`.\n   *\n   * The optional `partials` argument may be an object that contains the\n   * names and templates of partials that are used in the template. It may\n   * also be a function that is used to load partial templates on the fly\n   * that takes a single argument: the name of the partial.\n   *\n   * If the optional `tags` argument is given here it must be an array with two\n   * string values: the opening and closing tags used in the template (e.g.\n   * [ \"<%\", \"%>\" ]). The default is to mustache.tags.\n   */\n  Writer.prototype.render = function render (template, view, partials, tags) {\n    var tokens = this.parse(template, tags);\n    var context = (view instanceof Context) ? view : new Context(view);\n    return this.renderTokens(tokens, context, partials, template, tags);\n  };\n\n  /**\n   * Low-level method that renders the given array of `tokens` using\n   * the given `context` and `partials`.\n   *\n   * Note: The `originalTemplate` is only ever used to extract the portion\n   * of the original template that was contained in a higher-order section.\n   * If the template doesn't use higher-order sections, this argument may\n   * be omitted.\n   */\n  Writer.prototype.renderTokens = function renderTokens (tokens, context, partials, originalTemplate, tags) {\n    var buffer = '';\n\n    var token, symbol, value;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      value = undefined;\n      token = tokens[i];\n      symbol = token[0];\n\n      if (symbol === '#') value = this.renderSection(token, context, partials, originalTemplate);\n      else if (symbol === '^') value = this.renderInverted(token, context, partials, originalTemplate);\n      else if (symbol === '>') value = this.renderPartial(token, context, partials, tags);\n      else if (symbol === '<') value = this.renderBlock(token, context, partials, originalTemplate);\n      else if (symbol === '$') value = this.renderBlockVariable(token, context, partials, originalTemplate);\n      else if (symbol === '&') value = this.unescapedValue(token, context);\n      else if (symbol === 'name') value = this.escapedValue(token, context);\n      else if (symbol === 'text') value = this.rawValue(token);\n\n      if (value !== undefined)\n        buffer += value;\n    }\n\n    return buffer;\n  };\n\n  Writer.prototype.renderSection = function renderSection (token, context, partials, originalTemplate) {\n    var self = this;\n    var buffer = '';\n    var value = context.lookup(token[1]);\n\n    // This function is used to render an arbitrary template\n    // in the current context by higher-order sections.\n    function subRender (template) {\n      return self.render(template, context, partials);\n    }\n\n    if (!value) return;\n\n    if (isArray(value)) {\n      for (var j = 0, valueLength = value.length; j < valueLength; ++j) {\n        buffer += this.renderTokens(token[4], context.push(value[j]), partials, originalTemplate);\n      }\n    } else if (typeof value === 'object' || typeof value === 'string' || typeof value === 'number') {\n      buffer += this.renderTokens(token[4], context.push(value), partials, originalTemplate);\n    } else if (isFunction(value)) {\n      if (typeof originalTemplate !== 'string')\n        throw new Error('Cannot use higher-order sections without the original template');\n\n      // Extract the portion of the original template that the section contains.\n      value = value.call(context.view, originalTemplate.slice(token[3], token[5]), subRender);\n\n      if (value != null)\n        buffer += value;\n    } else {\n      buffer += this.renderTokens(token[4], context, partials, originalTemplate);\n    }\n    return buffer;\n  };\n\n  Writer.prototype.renderInverted = function renderInverted (token, context, partials, originalTemplate) {\n    var value = context.lookup(token[1]);\n\n    // Use JavaScript's definition of falsy. Include empty arrays.\n    // See https://github.com/janl/mustache.js/issues/186\n    if (!value || (isArray(value) && value.length === 0))\n      return this.renderTokens(token[4], context, partials, originalTemplate);\n  };\n\n  Writer.prototype.indentPartial = function indentPartial (partial, indentation, lineHasNonSpace) {\n    var filteredIndentation = indentation.replace(/[^ \\t]/g, '');\n    var partialByNl = partial.split('\\n');\n    for (var i = 0; i < partialByNl.length; i++) {\n      if (partialByNl[i].length && (i > 0 || !lineHasNonSpace)) {\n        partialByNl[i] = filteredIndentation + partialByNl[i];\n      }\n    }\n    return partialByNl.join('\\n');\n  };\n\n  Writer.prototype.renderPartial = function renderPartial (token, context, partials, tags) {\n    if (!partials) return;\n\n    var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];\n    if (value != null) {\n      var lineHasNonSpace = token[6];\n      var tagIndex = token[5];\n      var indentation = token[4];\n      var indentedValue = value;\n      if (tagIndex == 0 && indentation) {\n        indentedValue = this.indentPartial(value, indentation, lineHasNonSpace);\n      }\n      return this.renderTokens(this.parse(indentedValue, tags), context, partials, indentedValue);\n    }\n  };\n\n  Writer.prototype.renderBlock = function renderBlock (token, context, partials, originalTemplate) {\n    if (!partials) return;\n\n    var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];\n    if (value != null)\n    // Ignore any wrongly set block vars before we started.\n      context.clearBlockVars();\n    // We are only rendering to record the default block variables.\n    this.renderTokens(token[4], context, partials, originalTemplate);\n    // Now we render and return the result.\n    var result = this.renderTokens(this.parse(value), context, partials, value);\n    // Don't leak the block variables outside this include.\n    context.clearBlockVars();\n    return result;\n  };\n\n  Writer.prototype.renderBlockVariable = function renderBlockVariable (token, context, partials, originalTemplate) {\n    var value = token[1];\n\n    var exists = context.getBlockVar(value);\n    if (!exists) {\n      context.setBlockVar(value, originalTemplate.slice(token[3], token[5]));\n      return this.renderTokens(token[4], context, partials, originalTemplate);\n    } else {\n      return this.renderTokens(this.parse(exists), context, partials, exists);\n    }\n  };\n\n  Writer.prototype.unescapedValue = function unescapedValue (token, context) {\n    var value = context.lookup(token[1]);\n    if (value != null)\n      return value;\n  };\n\n  Writer.prototype.escapedValue = function escapedValue (token, context) {\n    var value = context.lookup(token[1]);\n    if (value != null)\n      return mustache.escape(value);\n  };\n\n  Writer.prototype.rawValue = function rawValue (token) {\n    return token[1];\n  };\n\n  mustache.name = 'mustache.js';\n  mustache.version = '3.1.0';\n  mustache.tags = [ '{{', '}}' ];\n\n  // All high-level mustache.* functions use this writer.\n  var defaultWriter = new Writer();\n\n  /**\n   * Clears all cached templates in the default writer.\n   */\n  mustache.clearCache = function clearCache () {\n    return defaultWriter.clearCache();\n  };\n\n  /**\n   * Parses and caches the given template in the default writer and returns the\n   * array of tokens it contains. Doing this ahead of time avoids the need to\n   * parse templates on the fly as they are rendered.\n   */\n  mustache.parse = function parse (template, tags) {\n    return defaultWriter.parse(template, tags);\n  };\n\n  /**\n   * Renders the `template` with the given `view` and `partials` using the\n   * default writer. If the optional `tags` argument is given here it must be an\n   * array with two string values: the opening and closing tags used in the\n   * template (e.g. [ \"<%\", \"%>\" ]). The default is to mustache.tags.\n   */\n  mustache.render = function render (template, view, partials, tags) {\n    if (typeof template !== 'string') {\n      throw new TypeError('Invalid template! Template should be a \"string\" ' +\n                          'but \"' + typeStr(template) + '\" was given as the first ' +\n                          'argument for mustache#render(template, view, partials)');\n    }\n\n    return defaultWriter.render(template, view, partials, tags);\n  };\n\n  // This is here for backwards compatibility with 0.4.x.,\n  /*eslint-disable */ // eslint wants camel cased function name\n  mustache.to_html = function to_html (template, view, partials, send) {\n    /*eslint-enable*/\n\n    var result = mustache.render(template, view, partials);\n\n    if (isFunction(send)) {\n      send(result);\n    } else {\n      return result;\n    }\n  };\n\n  // Export the escaping function so that the user may override it.\n  // See https://github.com/janl/mustache.js/issues/244\n  mustache.escape = escapeHtml;\n\n  // Export these mainly for testing, but also for advanced usage.\n  mustache.Scanner = Scanner;\n  mustache.Context = Context;\n  mustache.Writer = Writer;\n\n  return mustache;\n}));\n/* jshint ignore:end */\n"],"file":"mustache.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/notification.min.js b/lib/amd/build/notification.min.js
index 42cdec9154c..f4d85acf786 100644
--- a/lib/amd/build/notification.min.js
+++ b/lib/amd/build/notification.min.js
@@ -1,2 +1,2 @@
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 //# sourceMappingURL=notification.min.js.map
diff --git a/lib/amd/build/notification.min.js.map b/lib/amd/build/notification.min.js.map
index 1d721de6841..4bbe59e00d8 100644
--- a/lib/amd/build/notification.min.js.map
+++ b/lib/amd/build/notification.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\nimport Pending from 'core/pending';\nimport Log from 'core/log';\n\nlet currentContextId = M.cfg.contextid;\n\nconst notificationTypes = {\n    success:  'core/notification_success',\n    info:     'core/notification_info',\n    warning:  'core/notification_warning',\n    error:    'core/notification_error',\n};\n\nconst notificationRegionId = 'user-notifications';\n\nconst Selectors = {\n    notificationRegion: `#${notificationRegionId}`,\n    fallbackRegionParents: [\n        '#region-main',\n        '[role=\"main\"]',\n        'body',\n    ],\n};\n\nconst setupTargetRegion = () => {\n    let targetRegion = getNotificationRegion();\n    if (targetRegion) {\n        return false;\n    }\n\n    const newRegion = document.createElement('span');\n    newRegion.id = notificationRegionId;\n\n    return Selectors.fallbackRegionParents.some(selector => {\n        const targetRegion = document.querySelector(selector);\n\n        if (targetRegion) {\n            targetRegion.prepend(newRegion);\n            return true;\n        }\n\n        return false;\n    });\n};\n\n\n/**\n * Poll the server for any new notifications.\n *\n * @returns {Promise}\n */\nexport const fetchNotifications = async() => {\n    const Ajax = await import('core/ajax');\n\n    return Ajax.call([{\n        methodname: 'core_fetch_notifications',\n        args: {\n            contextid: currentContextId\n        }\n    }])[0]\n    .then(addNotifications);\n};\n\n/**\n * Add all of the supplied notifications.\n *\n * @param {Array} notifications The list of notificaitons\n * @returns {Promise}\n */\nconst addNotifications = notifications => {\n    if (!notifications.length) {\n        return Promise.resolve();\n    }\n\n    const pendingPromise = new Pending('core/notification:addNotifications');\n    notifications.forEach(notification => renderNotification(notification.template, notification.variables));\n\n    return pendingPromise.resolve();\n};\n\n/**\n * Add a notification to the page.\n *\n * Note: This does not cause the notification to be added to the session.\n *\n * @param {Object}  notification                The notification to add.\n * @param {string}  notification.message        The body of the notification\n * @param {string}  notification.type           The type of notification to add (error, warning, info, success).\n * @param {Boolean} notification.closebutton    Whether to show the close button.\n * @param {Boolean} notification.announce       Whether to announce to screen readers.\n * @returns {Promise}\n */\nexport const addNotification = notification => {\n    const pendingPromise = new Pending('core/notification:addNotifications');\n\n    let template = notificationTypes.error;\n\n    notification = {\n        closebutton:    true,\n        announce:       true,\n        type:           'error',\n        ...notification,\n    };\n\n    if (notification.template) {\n        template = notification.template;\n        delete notification.template;\n    } else if (notification.type) {\n        if (typeof notificationTypes[notification.type] !== 'undefined') {\n            template = notificationTypes[notification.type];\n        }\n        delete notification.type;\n    }\n\n    return renderNotification(template, notification)\n    .then(pendingPromise.resolve);\n};\n\nconst renderNotification = async(template, variables) => {\n    if (typeof variables.message === 'undefined' || !variables.message) {\n        Log.debug('Notification received without content. Skipping.');\n        return;\n    }\n\n    const pendingPromise = new Pending('core/notification:renderNotification');\n    const Templates = await import('core/templates');\n\n    Templates.renderForPromise(template, variables)\n    .then(({html, js = ''}) => {\n        Templates.prependNodeContents(getNotificationRegion(), html, js);\n\n        return;\n    })\n    .then(pendingPromise.resolve)\n    .catch(exception);\n};\n\nconst getNotificationRegion = () => document.querySelector(Selectors.notificationRegion);\n\n/**\n * Alert dialogue.\n *\n * @param {String|Promise} title\n * @param {String|Promise} message\n * @param {String|Promise} cancelText\n * @returns {Promise}\n */\nexport const alert = async(title, message, cancelText) => {\n    var pendingPromise = new Pending('core/notification:alert');\n\n    const ModalFactory = await import('core/modal_factory');\n\n    return ModalFactory.create({\n        type: ModalFactory.types.ALERT,\n        body: message,\n        title: title,\n        buttons: {\n            cancel: cancelText,\n        },\n        removeOnClose: true,\n    })\n    .then(function(modal) {\n        modal.show();\n\n        pendingPromise.resolve();\n        return modal;\n    });\n};\n\n/**\n * The confirm has now been replaced with a save and cancel dialogue.\n *\n * @param {String|Promise} title\n * @param {String|Promise} question\n * @param {String|Promise} saveLabel\n * @param {String|Promise} noLabel\n * @param {String|Promise} saveCallback\n * @param {String|Promise} cancelCallback\n * @returns {Promise}\n */\nexport const confirm = (title, question, saveLabel, noLabel, saveCallback, cancelCallback) =>\n        saveCancel(title, question, saveLabel, saveCallback, cancelCallback);\n\n/**\n * The Save and Cancel dialogue helper.\n *\n * @param {String|Promise} title\n * @param {String|Promise} question\n * @param {String|Promise} saveLabel\n * @param {String|Promise} saveCallback\n * @param {String|Promise} cancelCallback\n * @returns {Promise}\n */\nexport const saveCancel = async(title, question, saveLabel, saveCallback, cancelCallback) => {\n    const pendingPromise = new Pending('core/notification:confirm');\n\n    const [\n        ModalFactory,\n        ModalEvents,\n    ] = await Promise.all([\n        import('core/modal_factory'),\n        import('core/modal_events'),\n    ]);\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        title: title,\n        body: question,\n        buttons: {\n            // Note: The noLabel is no longer supported.\n            save: saveLabel,\n        },\n        removeOnClose: true,\n    })\n    .then(function(modal) {\n        modal.show();\n\n        modal.getRoot().on(ModalEvents.save, saveCallback);\n        modal.getRoot().on(ModalEvents.cancel, cancelCallback);\n        pendingPromise.resolve();\n\n        return modal;\n    });\n};\n\n/**\n * Wrap M.core.exception.\n *\n * @param {Error} ex\n */\nexport const exception = async ex => {\n    const pendingPromise = new Pending('core/notification:displayException');\n\n    // Fudge some parameters.\n    if (!ex.stack) {\n        ex.stack = '';\n    }\n\n    if (ex.debuginfo) {\n        ex.stack += ex.debuginfo + '\\n';\n    }\n\n    if (!ex.backtrace && ex.stacktrace) {\n        ex.backtrace = ex.stacktrace;\n    }\n\n    if (ex.backtrace) {\n        ex.stack += ex.backtrace;\n        const ln = ex.backtrace.match(/line ([^ ]*) of/);\n        const fn = ex.backtrace.match(/ of ([^:]*): /);\n        if (ln && ln[1]) {\n            ex.lineNumber = ln[1];\n        }\n        if (fn && fn[1]) {\n            ex.fileName = fn[1];\n            if (ex.fileName.length > 30) {\n                ex.fileName = '...' + ex.fileName.substr(ex.fileName.length - 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\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\nimport Pending from 'core/pending';\nimport Log from 'core/log';\n\nlet currentContextId = M.cfg.contextid;\n\nconst notificationTypes = {\n    success:  'core/notification_success',\n    info:     'core/notification_info',\n    warning:  'core/notification_warning',\n    error:    'core/notification_error',\n};\n\nconst notificationRegionId = 'user-notifications';\n\nconst Selectors = {\n    notificationRegion: `#${notificationRegionId}`,\n    fallbackRegionParents: [\n        '#region-main',\n        '[role=\"main\"]',\n        'body',\n    ],\n};\n\nconst setupTargetRegion = () => {\n    let targetRegion = getNotificationRegion();\n    if (targetRegion) {\n        return false;\n    }\n\n    const newRegion = document.createElement('span');\n    newRegion.id = notificationRegionId;\n\n    return Selectors.fallbackRegionParents.some(selector => {\n        const targetRegion = document.querySelector(selector);\n\n        if (targetRegion) {\n            targetRegion.prepend(newRegion);\n            return true;\n        }\n\n        return false;\n    });\n};\n\n\n/**\n * Poll the server for any new notifications.\n *\n * @returns {Promise}\n */\nexport const fetchNotifications = async() => {\n    const Ajax = await import('core/ajax');\n\n    return Ajax.call([{\n        methodname: 'core_fetch_notifications',\n        args: {\n            contextid: currentContextId\n        }\n    }])[0]\n    .then(addNotifications);\n};\n\n/**\n * Add all of the supplied notifications.\n *\n * @param {Array} notifications The list of notificaitons\n * @returns {Promise}\n */\nconst addNotifications = notifications => {\n    if (!notifications.length) {\n        return Promise.resolve();\n    }\n\n    const pendingPromise = new Pending('core/notification:addNotifications');\n    notifications.forEach(notification => renderNotification(notification.template, notification.variables));\n\n    return pendingPromise.resolve();\n};\n\n/**\n * Add a notification to the page.\n *\n * Note: This does not cause the notification to be added to the session.\n *\n * @param {Object}  notification                The notification to add.\n * @param {string}  notification.message        The body of the notification\n * @param {string}  notification.type           The type of notification to add (error, warning, info, success).\n * @param {Boolean} notification.closebutton    Whether to show the close button.\n * @param {Boolean} notification.announce       Whether to announce to screen readers.\n * @returns {Promise}\n */\nexport const addNotification = notification => {\n    const pendingPromise = new Pending('core/notification:addNotifications');\n\n    let template = notificationTypes.error;\n\n    notification = {\n        closebutton:    true,\n        announce:       true,\n        type:           'error',\n        ...notification,\n    };\n\n    if (notification.template) {\n        template = notification.template;\n        delete notification.template;\n    } else if (notification.type) {\n        if (typeof notificationTypes[notification.type] !== 'undefined') {\n            template = notificationTypes[notification.type];\n        }\n        delete notification.type;\n    }\n\n    return renderNotification(template, notification)\n    .then(pendingPromise.resolve);\n};\n\nconst renderNotification = async(template, variables) => {\n    if (typeof variables.message === 'undefined' || !variables.message) {\n        Log.debug('Notification received without content. Skipping.');\n        return;\n    }\n\n    const pendingPromise = new Pending('core/notification:renderNotification');\n    const Templates = await import('core/templates');\n\n    Templates.renderForPromise(template, variables)\n    .then(({html, js = ''}) => {\n        Templates.prependNodeContents(getNotificationRegion(), html, js);\n\n        return;\n    })\n    .then(pendingPromise.resolve)\n    .catch(exception);\n};\n\nconst getNotificationRegion = () => document.querySelector(Selectors.notificationRegion);\n\n/**\n * Alert dialogue.\n *\n * @param {String|Promise} title\n * @param {String|Promise} message\n * @param {String|Promise} cancelText\n * @returns {Promise}\n */\nexport const alert = async(title, message, cancelText) => {\n    var pendingPromise = new Pending('core/notification:alert');\n\n    const ModalFactory = await import('core/modal_factory');\n\n    return ModalFactory.create({\n        type: ModalFactory.types.ALERT,\n        body: message,\n        title: title,\n        buttons: {\n            cancel: cancelText,\n        },\n        removeOnClose: true,\n    })\n    .then(function(modal) {\n        modal.show();\n\n        pendingPromise.resolve();\n        return modal;\n    });\n};\n\n/**\n * The confirm has now been replaced with a save and cancel dialogue.\n *\n * @param {String|Promise} title\n * @param {String|Promise} question\n * @param {String|Promise} saveLabel\n * @param {String|Promise} noLabel\n * @param {String|Promise} saveCallback\n * @param {String|Promise} cancelCallback\n * @returns {Promise}\n */\nexport const confirm = (title, question, saveLabel, noLabel, saveCallback, cancelCallback) =>\n        saveCancel(title, question, saveLabel, saveCallback, cancelCallback);\n\n/**\n * The Save and Cancel dialogue helper.\n *\n * @param {String|Promise} title\n * @param {String|Promise} question\n * @param {String|Promise} saveLabel\n * @param {String|Promise} saveCallback\n * @param {String|Promise} cancelCallback\n * @returns {Promise}\n */\nexport const saveCancel = async(title, question, saveLabel, saveCallback, cancelCallback) => {\n    const pendingPromise = new Pending('core/notification:confirm');\n\n    const [\n        ModalFactory,\n        ModalEvents,\n    ] = await Promise.all([\n        import('core/modal_factory'),\n        import('core/modal_events'),\n    ]);\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        title: title,\n        body: question,\n        buttons: {\n            // Note: The noLabel is no longer supported.\n            save: saveLabel,\n        },\n        removeOnClose: true,\n    })\n    .then(function(modal) {\n        modal.show();\n\n        modal.getRoot().on(ModalEvents.save, saveCallback);\n        modal.getRoot().on(ModalEvents.cancel, cancelCallback);\n        pendingPromise.resolve();\n\n        return modal;\n    });\n};\n\n/**\n * Wrap M.core.exception.\n *\n * @param {Error} ex\n */\nexport const exception = async ex => {\n    const pendingPromise = new Pending('core/notification:displayException');\n\n    // Fudge some parameters.\n    if (!ex.stack) {\n        ex.stack = '';\n    }\n\n    if (ex.debuginfo) {\n        ex.stack += ex.debuginfo + '\\n';\n    }\n\n    if (!ex.backtrace && ex.stacktrace) {\n        ex.backtrace = ex.stacktrace;\n    }\n\n    if (ex.backtrace) {\n        ex.stack += ex.backtrace;\n        const ln = ex.backtrace.match(/line ([^ ]*) of/);\n        const fn = ex.backtrace.match(/ of ([^:]*): /);\n        if (ln && ln[1]) {\n            ex.lineNumber = ln[1];\n        }\n        if (fn && fn[1]) {\n            ex.fileName = fn[1];\n            if (ex.fileName.length > 30) {\n                ex.fileName = '...' + ex.fileName.substr(ex.fileName.length - 27);\n            }\n        }\n    }\n\n    if (typeof ex.name === 'undefined' && ex.errorcode) {\n        ex.name = ex.errorcode;\n    }\n\n    const Y = await import('core/yui');\n    Y.use('moodle-core-notification-exception', function() {\n        var modal = new M.core.exception(ex);\n\n        modal.show();\n\n        pendingPromise.resolve();\n    });\n};\n\n/**\n * Initialise the page for the suppled context, and displaying the supplied notifications.\n *\n * @param {Number} contextId\n * @param {Array} notificationList\n * @param {Boolean} userLoggedIn\n */\nexport const init = (contextId, notificationList, userLoggedIn) => {\n    currentContextId = contextId;\n\n    // Setup the message target region if it isn't setup already\n    setupTargetRegion();\n\n    // Add provided notifications.\n    addNotifications(notificationList);\n\n    // If the user is not logged in then we can not fetch anything for them.\n    if (userLoggedIn) {\n        // Perform an initial poll for any new notifications.\n        fetchNotifications();\n    }\n};\n\n// To maintain backwards compatability we export default here.\nexport default {\n    init,\n    fetchNotifications,\n    addNotification,\n    alert,\n    confirm,\n    saveCancel,\n    exception,\n};\n"],"file":"notification.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/popper.min.js b/lib/amd/build/popper.min.js
index 4372e1375ec..739ac49e990 100644
--- a/lib/amd/build/popper.min.js
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diff --git a/lib/amd/build/popper.min.js.map b/lib/amd/build/popper.min.js.map
index c49594de248..12f67651826 100644
--- a/lib/amd/build/popper.min.js.map
+++ b/lib/amd/build/popper.min.js.map
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* @fileOverview Kickass library to create and place poppers near their reference elements.\n * @version 1.12.6\n * @license\n * Copyright (c) 2016 Federico Zivolo and contributors\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  (global.Popper = factory());\n}(this, (function () { 'use strict';\n\nvar isBrowser = typeof window !== 'undefined' && typeof window.document !== 'undefined';\nvar longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];\nvar timeoutDuration = 0;\nfor (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {\n  if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {\n    timeoutDuration = 1;\n    break;\n  }\n}\n\nfunction microtaskDebounce(fn) {\n  var called = false;\n  return function () {\n    if (called) {\n      return;\n    }\n    called = true;\n    Promise.resolve().then(function () {\n      called = false;\n      fn();\n    });\n  };\n}\n\nfunction taskDebounce(fn) {\n  var scheduled = false;\n  return function () {\n    if (!scheduled) {\n      scheduled = true;\n      setTimeout(function () {\n        scheduled = false;\n        fn();\n      }, timeoutDuration);\n    }\n  };\n}\n\nvar supportsMicroTasks = isBrowser && window.Promise;\n\n/**\n* Create a debounced version of a method, that's asynchronously deferred\n* but called in the minimum time possible.\n*\n* @method\n* @memberof Popper.Utils\n* @argument {Function} fn\n* @returns {Function}\n*/\nvar debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;\n\n/**\n * Check if the given variable is a function\n * @method\n * @memberof Popper.Utils\n * @argument {Any} functionToCheck - variable to check\n * @returns {Boolean} answer to: is a function?\n */\nfunction isFunction(functionToCheck) {\n  var getType = {};\n  return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';\n}\n\n/**\n * Get CSS computed property of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Eement} element\n * @argument {String} property\n */\nfunction getStyleComputedProperty(element, property) {\n  if (element.nodeType !== 1) {\n    return [];\n  }\n  // NOTE: 1 DOM access here\n  var css = window.getComputedStyle(element, null);\n  return property ? css[property] : css;\n}\n\n/**\n * Returns the parentNode or the host of the element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} parent\n */\nfunction getParentNode(element) {\n  if (element.nodeName === 'HTML') {\n    return element;\n  }\n  return element.parentNode || element.host;\n}\n\n/**\n * Returns the scrolling parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} scroll parent\n */\nfunction getScrollParent(element) {\n  // Return body, `getScroll` will take care to get the correct `scrollTop` from it\n  if (!element) {\n    return window.document.body;\n  }\n\n  switch (element.nodeName) {\n    case 'HTML':\n    case 'BODY':\n      return element.ownerDocument.body;\n    case '#document':\n      return element.body;\n  }\n\n  // Firefox want us to check `-x` and `-y` variations as well\n\n  var _getStyleComputedProp = getStyleComputedProperty(element),\n      overflow = _getStyleComputedProp.overflow,\n      overflowX = _getStyleComputedProp.overflowX,\n      overflowY = _getStyleComputedProp.overflowY;\n\n  if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) {\n    return element;\n  }\n\n  return getScrollParent(getParentNode(element));\n}\n\n/**\n * Returns the offset parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} offset parent\n */\nfunction getOffsetParent(element) {\n  // NOTE: 1 DOM access here\n  var offsetParent = element && element.offsetParent;\n  var nodeName = offsetParent && offsetParent.nodeName;\n\n  if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {\n    if (element) {\n      return element.ownerDocument.documentElement;\n    }\n\n    return window.document.documentElement;\n  }\n\n  // .offsetParent will return the closest TD or TABLE in case\n  // no offsetParent is present, I hate this job...\n  if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {\n    return getOffsetParent(offsetParent);\n  }\n\n  return offsetParent;\n}\n\nfunction isOffsetContainer(element) {\n  var nodeName = element.nodeName;\n\n  if (nodeName === 'BODY') {\n    return false;\n  }\n  return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;\n}\n\n/**\n * Finds the root node (document, shadowDOM root) of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} node\n * @returns {Element} root node\n */\nfunction getRoot(node) {\n  if (node.parentNode !== null) {\n    return getRoot(node.parentNode);\n  }\n\n  return node;\n}\n\n/**\n * Finds the offset parent common to the two provided nodes\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element1\n * @argument {Element} element2\n * @returns {Element} common offset parent\n */\nfunction findCommonOffsetParent(element1, element2) {\n  // This check is needed to avoid errors in case one of the elements isn't defined for any reason\n  if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {\n    return window.document.documentElement;\n  }\n\n  // Here we make sure to give as \"start\" the element that comes first in the DOM\n  var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;\n  var start = order ? element1 : element2;\n  var end = order ? element2 : element1;\n\n  // Get common ancestor container\n  var range = document.createRange();\n  range.setStart(start, 0);\n  range.setEnd(end, 0);\n  var commonAncestorContainer = range.commonAncestorContainer;\n\n  // Both nodes are inside #document\n\n  if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {\n    if (isOffsetContainer(commonAncestorContainer)) {\n      return commonAncestorContainer;\n    }\n\n    return getOffsetParent(commonAncestorContainer);\n  }\n\n  // one of the nodes is inside shadowDOM, find which one\n  var element1root = getRoot(element1);\n  if (element1root.host) {\n    return findCommonOffsetParent(element1root.host, element2);\n  } else {\n    return findCommonOffsetParent(element1, getRoot(element2).host);\n  }\n}\n\n/**\n * Gets the scroll value of the given element in the given side (top and left)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {String} side `top` or `left`\n * @returns {number} amount of scrolled pixels\n */\nfunction getScroll(element) {\n  var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';\n\n  var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';\n  var nodeName = element.nodeName;\n\n  if (nodeName === 'BODY' || nodeName === 'HTML') {\n    var html = element.ownerDocument.documentElement;\n    var scrollingElement = element.ownerDocument.scrollingElement || html;\n    return scrollingElement[upperSide];\n  }\n\n  return element[upperSide];\n}\n\n/*\n * Sum or subtract the element scroll values (left and top) from a given rect object\n * @method\n * @memberof Popper.Utils\n * @param {Object} rect - Rect object you want to change\n * @param {HTMLElement} element - The element from the function reads the scroll values\n * @param {Boolean} subtract - set to true if you want to subtract the scroll values\n * @return {Object} rect - The modifier rect object\n */\nfunction includeScroll(rect, element) {\n  var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n  var scrollTop = getScroll(element, 'top');\n  var scrollLeft = getScroll(element, 'left');\n  var modifier = subtract ? -1 : 1;\n  rect.top += scrollTop * modifier;\n  rect.bottom += scrollTop * modifier;\n  rect.left += scrollLeft * modifier;\n  rect.right += scrollLeft * modifier;\n  return rect;\n}\n\n/*\n * Helper to detect borders of a given element\n * @method\n * @memberof Popper.Utils\n * @param {CSSStyleDeclaration} styles\n * Result of `getStyleComputedProperty` on the given element\n * @param {String} axis - `x` or `y`\n * @return {number} borders - The borders size of the given axis\n */\n\nfunction getBordersSize(styles, axis) {\n  var sideA = axis === 'x' ? 'Left' : 'Top';\n  var sideB = sideA === 'Left' ? 'Right' : 'Bottom';\n\n  return +styles['border' + sideA + 'Width'].split('px')[0] + +styles['border' + sideB + 'Width'].split('px')[0];\n}\n\n/**\n * Tells if you are running Internet Explorer 10\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean} isIE10\n */\nvar isIE10 = undefined;\n\nvar isIE10$1 = function () {\n  if (isIE10 === undefined) {\n    isIE10 = navigator.appVersion.indexOf('MSIE 10') !== -1;\n  }\n  return isIE10;\n};\n\nfunction getSize(axis, body, html, computedStyle) {\n  return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE10$1() ? html['offset' + axis] + computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')] + computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')] : 0);\n}\n\nfunction getWindowSizes() {\n  var body = window.document.body;\n  var html = window.document.documentElement;\n  var computedStyle = isIE10$1() && window.getComputedStyle(html);\n\n  return {\n    height: getSize('Height', body, html, computedStyle),\n    width: getSize('Width', body, html, computedStyle)\n  };\n}\n\nvar classCallCheck = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\nvar createClass = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      Object.defineProperty(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n\n\n\nvar defineProperty = function (obj, key, value) {\n  if (key in obj) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n  } else {\n    obj[key] = value;\n  }\n\n  return obj;\n};\n\nvar _extends = Object.assign || function (target) {\n  for (var i = 1; i < arguments.length; i++) {\n    var source = arguments[i];\n\n    for (var key in source) {\n      if (Object.prototype.hasOwnProperty.call(source, key)) {\n        target[key] = source[key];\n      }\n    }\n  }\n\n  return target;\n};\n\n/**\n * Given element offsets, generate an output similar to getBoundingClientRect\n * @method\n * @memberof Popper.Utils\n * @argument {Object} offsets\n * @returns {Object} ClientRect like output\n */\nfunction getClientRect(offsets) {\n  return _extends({}, offsets, {\n    right: offsets.left + offsets.width,\n    bottom: offsets.top + offsets.height\n  });\n}\n\n/**\n * Get bounding client rect of given element\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} element\n * @return {Object} client rect\n */\nfunction getBoundingClientRect(element) {\n  var rect = {};\n\n  // IE10 10 FIX: Please, don't ask, the element isn't\n  // considered in DOM in some circumstances...\n  // This isn't reproducible in IE10 compatibility mode of IE11\n  if (isIE10$1()) {\n    try {\n      rect = element.getBoundingClientRect();\n      var scrollTop = getScroll(element, 'top');\n      var scrollLeft = getScroll(element, 'left');\n      rect.top += scrollTop;\n      rect.left += scrollLeft;\n      rect.bottom += scrollTop;\n      rect.right += scrollLeft;\n    } catch (err) {}\n  } else {\n    rect = element.getBoundingClientRect();\n  }\n\n  var result = {\n    left: rect.left,\n    top: rect.top,\n    width: rect.right - rect.left,\n    height: rect.bottom - rect.top\n  };\n\n  // subtract scrollbar size from sizes\n  var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {};\n  var width = sizes.width || element.clientWidth || result.right - result.left;\n  var height = sizes.height || element.clientHeight || result.bottom - result.top;\n\n  var horizScrollbar = element.offsetWidth - width;\n  var vertScrollbar = element.offsetHeight - height;\n\n  // if an hypothetical scrollbar is detected, we must be sure it's not a `border`\n  // we make this check conditional for performance reasons\n  if (horizScrollbar || vertScrollbar) {\n    var styles = getStyleComputedProperty(element);\n    horizScrollbar -= getBordersSize(styles, 'x');\n    vertScrollbar -= getBordersSize(styles, 'y');\n\n    result.width -= horizScrollbar;\n    result.height -= vertScrollbar;\n  }\n\n  return getClientRect(result);\n}\n\nfunction getOffsetRectRelativeToArbitraryNode(children, parent) {\n  var isIE10 = isIE10$1();\n  var isHTML = parent.nodeName === 'HTML';\n  var childrenRect = getBoundingClientRect(children);\n  var parentRect = getBoundingClientRect(parent);\n  var scrollParent = getScrollParent(children);\n\n  var styles = getStyleComputedProperty(parent);\n  var borderTopWidth = +styles.borderTopWidth.split('px')[0];\n  var borderLeftWidth = +styles.borderLeftWidth.split('px')[0];\n\n  var offsets = getClientRect({\n    top: childrenRect.top - parentRect.top - borderTopWidth,\n    left: childrenRect.left - parentRect.left - borderLeftWidth,\n    width: childrenRect.width,\n    height: childrenRect.height\n  });\n  offsets.marginTop = 0;\n  offsets.marginLeft = 0;\n\n  // Subtract margins of documentElement in case it's being used as parent\n  // we do this only on HTML because it's the only element that behaves\n  // differently when margins are applied to it. The margins are included in\n  // the box of the documentElement, in the other cases not.\n  if (!isIE10 && isHTML) {\n    var marginTop = +styles.marginTop.split('px')[0];\n    var marginLeft = +styles.marginLeft.split('px')[0];\n\n    offsets.top -= borderTopWidth - marginTop;\n    offsets.bottom -= borderTopWidth - marginTop;\n    offsets.left -= borderLeftWidth - marginLeft;\n    offsets.right -= borderLeftWidth - marginLeft;\n\n    // Attach marginTop and marginLeft because in some circumstances we may need them\n    offsets.marginTop = marginTop;\n    offsets.marginLeft = marginLeft;\n  }\n\n  if (isIE10 ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {\n    offsets = includeScroll(offsets, parent);\n  }\n\n  return offsets;\n}\n\nfunction getViewportOffsetRectRelativeToArtbitraryNode(element) {\n  var html = element.ownerDocument.documentElement;\n  var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);\n  var width = Math.max(html.clientWidth, window.innerWidth || 0);\n  var height = Math.max(html.clientHeight, window.innerHeight || 0);\n\n  var scrollTop = getScroll(html);\n  var scrollLeft = getScroll(html, 'left');\n\n  var offset = {\n    top: scrollTop - relativeOffset.top + relativeOffset.marginTop,\n    left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,\n    width: width,\n    height: height\n  };\n\n  return getClientRect(offset);\n}\n\n/**\n * Check if the given element is fixed or is inside a fixed parent\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {Element} customContainer\n * @returns {Boolean} answer to \"isFixed?\"\n */\nfunction isFixed(element) {\n  var nodeName = element.nodeName;\n  if (nodeName === 'BODY' || nodeName === 'HTML') {\n    return false;\n  }\n  if (getStyleComputedProperty(element, 'position') === 'fixed') {\n    return true;\n  }\n  return isFixed(getParentNode(element));\n}\n\n/**\n * Computed the boundaries limits and return them\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} popper\n * @param {HTMLElement} reference\n * @param {number} padding\n * @param {HTMLElement} boundariesElement - Element used to define the boundaries\n * @returns {Object} Coordinates of the boundaries\n */\nfunction getBoundaries(popper, reference, padding, boundariesElement) {\n  // NOTE: 1 DOM access here\n  var boundaries = { top: 0, left: 0 };\n  var offsetParent = findCommonOffsetParent(popper, reference);\n\n  // Handle viewport case\n  if (boundariesElement === 'viewport') {\n    boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent);\n  } else {\n    // Handle other cases based on DOM element used as boundaries\n    var boundariesNode = void 0;\n    if (boundariesElement === 'scrollParent') {\n      boundariesNode = getScrollParent(getParentNode(popper));\n      if (boundariesNode.nodeName === 'BODY') {\n        boundariesNode = popper.ownerDocument.documentElement;\n      }\n    } else if (boundariesElement === 'window') {\n      boundariesNode = popper.ownerDocument.documentElement;\n    } else {\n      boundariesNode = boundariesElement;\n    }\n\n    var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent);\n\n    // In case of HTML, we need a different computation\n    if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {\n      var _getWindowSizes = getWindowSizes(),\n          height = _getWindowSizes.height,\n          width = _getWindowSizes.width;\n\n      boundaries.top += offsets.top - offsets.marginTop;\n      boundaries.bottom = height + offsets.top;\n      boundaries.left += offsets.left - offsets.marginLeft;\n      boundaries.right = width + offsets.left;\n    } else {\n      // for all the other DOM elements, this one is good\n      boundaries = offsets;\n    }\n  }\n\n  // Add paddings\n  boundaries.left += padding;\n  boundaries.top += padding;\n  boundaries.right -= padding;\n  boundaries.bottom -= padding;\n\n  return boundaries;\n}\n\nfunction getArea(_ref) {\n  var width = _ref.width,\n      height = _ref.height;\n\n  return width * height;\n}\n\n/**\n * Utility used to transform the `auto` placement to the placement with more\n * available space.\n * @method\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {\n  var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;\n\n  if (placement.indexOf('auto') === -1) {\n    return placement;\n  }\n\n  var boundaries = getBoundaries(popper, reference, padding, boundariesElement);\n\n  var rects = {\n    top: {\n      width: boundaries.width,\n      height: refRect.top - boundaries.top\n    },\n    right: {\n      width: boundaries.right - refRect.right,\n      height: boundaries.height\n    },\n    bottom: {\n      width: boundaries.width,\n      height: boundaries.bottom - refRect.bottom\n    },\n    left: {\n      width: refRect.left - boundaries.left,\n      height: boundaries.height\n    }\n  };\n\n  var sortedAreas = Object.keys(rects).map(function (key) {\n    return _extends({\n      key: key\n    }, rects[key], {\n      area: getArea(rects[key])\n    });\n  }).sort(function (a, b) {\n    return b.area - a.area;\n  });\n\n  var filteredAreas = sortedAreas.filter(function (_ref2) {\n    var width = _ref2.width,\n        height = _ref2.height;\n    return width >= popper.clientWidth && height >= popper.clientHeight;\n  });\n\n  var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;\n\n  var variation = placement.split('-')[1];\n\n  return computedPlacement + (variation ? '-' + variation : '');\n}\n\n/**\n * Get offsets to the reference element\n * @method\n * @memberof Popper.Utils\n * @param {Object} state\n * @param {Element} popper - the popper element\n * @param {Element} reference - the reference element (the popper will be relative to this)\n * @returns {Object} An object containing the offsets which will be applied to the popper\n */\nfunction getReferenceOffsets(state, popper, reference) {\n  var commonOffsetParent = findCommonOffsetParent(popper, reference);\n  return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent);\n}\n\n/**\n * Get the outer sizes of the given element (offset size + margins)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Object} object containing width and height properties\n */\nfunction getOuterSizes(element) {\n  var styles = window.getComputedStyle(element);\n  var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);\n  var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);\n  var result = {\n    width: element.offsetWidth + y,\n    height: element.offsetHeight + x\n  };\n  return result;\n}\n\n/**\n * Get the opposite placement of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement\n * @returns {String} flipped placement\n */\nfunction getOppositePlacement(placement) {\n  var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };\n  return placement.replace(/left|right|bottom|top/g, function (matched) {\n    return hash[matched];\n  });\n}\n\n/**\n * Get offsets to the popper\n * @method\n * @memberof Popper.Utils\n * @param {Object} position - CSS position the Popper will get applied\n * @param {HTMLElement} popper - the popper element\n * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)\n * @param {String} placement - one of the valid placement options\n * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper\n */\nfunction getPopperOffsets(popper, referenceOffsets, placement) {\n  placement = placement.split('-')[0];\n\n  // Get popper node sizes\n  var popperRect = getOuterSizes(popper);\n\n  // Add position, width and height to our offsets object\n  var popperOffsets = {\n    width: popperRect.width,\n    height: popperRect.height\n  };\n\n  // depending by the popper placement we have to compute its offsets slightly differently\n  var isHoriz = ['right', 'left'].indexOf(placement) !== -1;\n  var mainSide = isHoriz ? 'top' : 'left';\n  var secondarySide = isHoriz ? 'left' : 'top';\n  var measurement = isHoriz ? 'height' : 'width';\n  var secondaryMeasurement = !isHoriz ? 'height' : 'width';\n\n  popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;\n  if (placement === secondarySide) {\n    popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];\n  } else {\n    popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];\n  }\n\n  return popperOffsets;\n}\n\n/**\n * Mimics the `find` method of Array\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction find(arr, check) {\n  // use native find if supported\n  if (Array.prototype.find) {\n    return arr.find(check);\n  }\n\n  // use `filter` to obtain the same behavior of `find`\n  return arr.filter(check)[0];\n}\n\n/**\n * Return the index of the matching object\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction findIndex(arr, prop, value) {\n  // use native findIndex if supported\n  if (Array.prototype.findIndex) {\n    return arr.findIndex(function (cur) {\n      return cur[prop] === value;\n    });\n  }\n\n  // use `find` + `indexOf` if `findIndex` isn't supported\n  var match = find(arr, function (obj) {\n    return obj[prop] === value;\n  });\n  return arr.indexOf(match);\n}\n\n/**\n * Loop trough the list of modifiers and run them in order,\n * each of them will then edit the data object.\n * @method\n * @memberof Popper.Utils\n * @param {dataObject} data\n * @param {Array} modifiers\n * @param {String} ends - Optional modifier name used as stopper\n * @returns {dataObject}\n */\nfunction runModifiers(modifiers, data, ends) {\n  var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));\n\n  modifiersToRun.forEach(function (modifier) {\n    if (modifier['function']) {\n      // eslint-disable-line dot-notation\n      console.warn('`modifier.function` is deprecated, use `modifier.fn`!');\n    }\n    var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation\n    if (modifier.enabled && isFunction(fn)) {\n      // Add properties to offsets to make them a complete clientRect object\n      // we do this before each modifier to make sure the previous one doesn't\n      // mess with these values\n      data.offsets.popper = getClientRect(data.offsets.popper);\n      data.offsets.reference = getClientRect(data.offsets.reference);\n\n      data = fn(data, modifier);\n    }\n  });\n\n  return data;\n}\n\n/**\n * Updates the position of the popper, computing the new offsets and applying\n * the new style.<br />\n * Prefer `scheduleUpdate` over `update` because of performance reasons.\n * @method\n * @memberof Popper\n */\nfunction update() {\n  // if popper is destroyed, don't perform any further update\n  if (this.state.isDestroyed) {\n    return;\n  }\n\n  var data = {\n    instance: this,\n    styles: {},\n    arrowStyles: {},\n    attributes: {},\n    flipped: false,\n    offsets: {}\n  };\n\n  // compute reference element offsets\n  data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference);\n\n  // compute auto placement, store placement inside the data object,\n  // modifiers will be able to edit `placement` if needed\n  // and refer to originalPlacement to know the original value\n  data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);\n\n  // store the computed placement inside `originalPlacement`\n  data.originalPlacement = data.placement;\n\n  // compute the popper offsets\n  data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);\n  data.offsets.popper.position = 'absolute';\n\n  // run the modifiers\n  data = runModifiers(this.modifiers, data);\n\n  // the first `update` will call `onCreate` callback\n  // the other ones will call `onUpdate` callback\n  if (!this.state.isCreated) {\n    this.state.isCreated = true;\n    this.options.onCreate(data);\n  } else {\n    this.options.onUpdate(data);\n  }\n}\n\n/**\n * Helper used to know if the given modifier is enabled.\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean}\n */\nfunction isModifierEnabled(modifiers, modifierName) {\n  return modifiers.some(function (_ref) {\n    var name = _ref.name,\n        enabled = _ref.enabled;\n    return enabled && name === modifierName;\n  });\n}\n\n/**\n * Get the prefixed supported property name\n * @method\n * @memberof Popper.Utils\n * @argument {String} property (camelCase)\n * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)\n */\nfunction getSupportedPropertyName(property) {\n  var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];\n  var upperProp = property.charAt(0).toUpperCase() + property.slice(1);\n\n  for (var i = 0; i < prefixes.length - 1; i++) {\n    var prefix = prefixes[i];\n    var toCheck = prefix ? '' + prefix + upperProp : property;\n    if (typeof window.document.body.style[toCheck] !== 'undefined') {\n      return toCheck;\n    }\n  }\n  return null;\n}\n\n/**\n * Destroy the popper\n * @method\n * @memberof Popper\n */\nfunction destroy() {\n  this.state.isDestroyed = true;\n\n  // touch DOM only if `applyStyle` modifier is enabled\n  if (isModifierEnabled(this.modifiers, 'applyStyle')) {\n    this.popper.removeAttribute('x-placement');\n    this.popper.style.left = '';\n    this.popper.style.position = '';\n    this.popper.style.top = '';\n    this.popper.style[getSupportedPropertyName('transform')] = '';\n  }\n\n  this.disableEventListeners();\n\n  // remove the popper if user explicity asked for the deletion on destroy\n  // do not use `remove` because IE11 doesn't support it\n  if (this.options.removeOnDestroy) {\n    this.popper.parentNode.removeChild(this.popper);\n  }\n  return this;\n}\n\n/**\n * Get the window associated with the element\n * @argument {Element} element\n * @returns {Window}\n */\nfunction getWindow(element) {\n  var ownerDocument = element.ownerDocument;\n  return ownerDocument ? ownerDocument.defaultView : window;\n}\n\nfunction attachToScrollParents(scrollParent, event, callback, scrollParents) {\n  var isBody = scrollParent.nodeName === 'BODY';\n  var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;\n  target.addEventListener(event, callback, { passive: true });\n\n  if (!isBody) {\n    attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);\n  }\n  scrollParents.push(target);\n}\n\n/**\n * Setup needed event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction setupEventListeners(reference, options, state, updateBound) {\n  // Resize event listener on window\n  state.updateBound = updateBound;\n  getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });\n\n  // Scroll event listener on scroll parents\n  var scrollElement = getScrollParent(reference);\n  attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);\n  state.scrollElement = scrollElement;\n  state.eventsEnabled = true;\n\n  return state;\n}\n\n/**\n * It will add resize/scroll events and start recalculating\n * position of the popper element when they are triggered.\n * @method\n * @memberof Popper\n */\nfunction enableEventListeners() {\n  if (!this.state.eventsEnabled) {\n    this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);\n  }\n}\n\n/**\n * Remove event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction removeEventListeners(reference, state) {\n  // Remove resize event listener on window\n  getWindow(reference).removeEventListener('resize', state.updateBound);\n\n  // Remove scroll event listener on scroll parents\n  state.scrollParents.forEach(function (target) {\n    target.removeEventListener('scroll', state.updateBound);\n  });\n\n  // Reset state\n  state.updateBound = null;\n  state.scrollParents = [];\n  state.scrollElement = null;\n  state.eventsEnabled = false;\n  return state;\n}\n\n/**\n * It will remove resize/scroll events and won't recalculate popper position\n * when they are triggered. It also won't trigger onUpdate callback anymore,\n * unless you call `update` method manually.\n * @method\n * @memberof Popper\n */\nfunction disableEventListeners() {\n  if (this.state.eventsEnabled) {\n    window.cancelAnimationFrame(this.scheduleUpdate);\n    this.state = removeEventListeners(this.reference, this.state);\n  }\n}\n\n/**\n * Tells if a given input is a number\n * @method\n * @memberof Popper.Utils\n * @param {*} input to check\n * @return {Boolean}\n */\nfunction isNumeric(n) {\n  return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);\n}\n\n/**\n * Set the style to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the style to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setStyles(element, styles) {\n  Object.keys(styles).forEach(function (prop) {\n    var unit = '';\n    // add unit if the value is numeric and is one of the following\n    if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {\n      unit = 'px';\n    }\n    element.style[prop] = styles[prop] + unit;\n  });\n}\n\n/**\n * Set the attributes to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the attributes to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setAttributes(element, attributes) {\n  Object.keys(attributes).forEach(function (prop) {\n    var value = attributes[prop];\n    if (value !== false) {\n      element.setAttribute(prop, attributes[prop]);\n    } else {\n      element.removeAttribute(prop);\n    }\n  });\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} data.styles - List of style properties - values to apply to popper element\n * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The same data object\n */\nfunction applyStyle(data) {\n  // any property present in `data.styles` will be applied to the popper,\n  // in this way we can make the 3rd party modifiers add custom styles to it\n  // Be aware, modifiers could override the properties defined in the previous\n  // lines of this modifier!\n  setStyles(data.instance.popper, data.styles);\n\n  // any property present in `data.attributes` will be applied to the popper,\n  // they will be set as HTML attributes of the element\n  setAttributes(data.instance.popper, data.attributes);\n\n  // if arrowElement is defined and arrowStyles has some properties\n  if (data.arrowElement && Object.keys(data.arrowStyles).length) {\n    setStyles(data.arrowElement, data.arrowStyles);\n  }\n\n  return data;\n}\n\n/**\n * Set the x-placement attribute before everything else because it could be used\n * to add margins to the popper margins needs to be calculated to get the\n * correct popper offsets.\n * @method\n * @memberof Popper.modifiers\n * @param {HTMLElement} reference - The reference element used to position the popper\n * @param {HTMLElement} popper - The HTML element used as popper.\n * @param {Object} options - Popper.js options\n */\nfunction applyStyleOnLoad(reference, popper, options, modifierOptions, state) {\n  // compute reference element offsets\n  var referenceOffsets = getReferenceOffsets(state, popper, reference);\n\n  // compute auto placement, store placement inside the data object,\n  // modifiers will be able to edit `placement` if needed\n  // and refer to originalPlacement to know the original value\n  var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);\n\n  popper.setAttribute('x-placement', placement);\n\n  // Apply `position` to popper before anything else because\n  // without the position applied we can't guarantee correct computations\n  setStyles(popper, { position: 'absolute' });\n\n  return options;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeStyle(data, options) {\n  var x = options.x,\n      y = options.y;\n  var popper = data.offsets.popper;\n\n  // Remove this legacy support in Popper.js v2\n\n  var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {\n    return modifier.name === 'applyStyle';\n  }).gpuAcceleration;\n  if (legacyGpuAccelerationOption !== undefined) {\n    console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');\n  }\n  var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;\n\n  var offsetParent = getOffsetParent(data.instance.popper);\n  var offsetParentRect = getBoundingClientRect(offsetParent);\n\n  // Styles\n  var styles = {\n    position: popper.position\n  };\n\n  // floor sides to avoid blurry text\n  var offsets = {\n    left: Math.floor(popper.left),\n    top: Math.floor(popper.top),\n    bottom: Math.floor(popper.bottom),\n    right: Math.floor(popper.right)\n  };\n\n  var sideA = x === 'bottom' ? 'top' : 'bottom';\n  var sideB = y === 'right' ? 'left' : 'right';\n\n  // if gpuAcceleration is set to `true` and transform is supported,\n  //  we use `translate3d` to apply the position to the popper we\n  // automatically use the supported prefixed version if needed\n  var prefixedProperty = getSupportedPropertyName('transform');\n\n  // now, let's make a step back and look at this code closely (wtf?)\n  // If the content of the popper grows once it's been positioned, it\n  // may happen that the popper gets misplaced because of the new content\n  // overflowing its reference element\n  // To avoid this problem, we provide two options (x and y), which allow\n  // the consumer to define the offset origin.\n  // If we position a popper on top of a reference element, we can set\n  // `x` to `top` to make the popper grow towards its top instead of\n  // its bottom.\n  var left = void 0,\n      top = void 0;\n  if (sideA === 'bottom') {\n    top = -offsetParentRect.height + offsets.bottom;\n  } else {\n    top = offsets.top;\n  }\n  if (sideB === 'right') {\n    left = -offsetParentRect.width + offsets.right;\n  } else {\n    left = offsets.left;\n  }\n  if (gpuAcceleration && prefixedProperty) {\n    styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';\n    styles[sideA] = 0;\n    styles[sideB] = 0;\n    styles.willChange = 'transform';\n  } else {\n    // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties\n    var invertTop = sideA === 'bottom' ? -1 : 1;\n    var invertLeft = sideB === 'right' ? -1 : 1;\n    styles[sideA] = top * invertTop;\n    styles[sideB] = left * invertLeft;\n    styles.willChange = sideA + ', ' + sideB;\n  }\n\n  // Attributes\n  var attributes = {\n    'x-placement': data.placement\n  };\n\n  // Update `data` attributes, styles and arrowStyles\n  data.attributes = _extends({}, attributes, data.attributes);\n  data.styles = _extends({}, styles, data.styles);\n  data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);\n\n  return data;\n}\n\n/**\n * Helper used to know if the given modifier depends from another one.<br />\n * It checks if the needed modifier is listed and enabled.\n * @method\n * @memberof Popper.Utils\n * @param {Array} modifiers - list of modifiers\n * @param {String} requestingName - name of requesting modifier\n * @param {String} requestedName - name of requested modifier\n * @returns {Boolean}\n */\nfunction isModifierRequired(modifiers, requestingName, requestedName) {\n  var requesting = find(modifiers, function (_ref) {\n    var name = _ref.name;\n    return name === requestingName;\n  });\n\n  var isRequired = !!requesting && modifiers.some(function (modifier) {\n    return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;\n  });\n\n  if (!isRequired) {\n    var _requesting = '`' + requestingName + '`';\n    var requested = '`' + requestedName + '`';\n    console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');\n  }\n  return isRequired;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction arrow(data, options) {\n  // arrow depends on keepTogether in order to work\n  if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {\n    return data;\n  }\n\n  var arrowElement = options.element;\n\n  // if arrowElement is a string, suppose it's a CSS selector\n  if (typeof arrowElement === 'string') {\n    arrowElement = data.instance.popper.querySelector(arrowElement);\n\n    // if arrowElement is not found, don't run the modifier\n    if (!arrowElement) {\n      return data;\n    }\n  } else {\n    // if the arrowElement isn't a query selector we must check that the\n    // provided DOM node is child of its popper node\n    if (!data.instance.popper.contains(arrowElement)) {\n      console.warn('WARNING: `arrow.element` must be child of its popper element!');\n      return data;\n    }\n  }\n\n  var placement = data.placement.split('-')[0];\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var isVertical = ['left', 'right'].indexOf(placement) !== -1;\n\n  var len = isVertical ? 'height' : 'width';\n  var sideCapitalized = isVertical ? 'Top' : 'Left';\n  var side = sideCapitalized.toLowerCase();\n  var altSide = isVertical ? 'left' : 'top';\n  var opSide = isVertical ? 'bottom' : 'right';\n  var arrowElementSize = getOuterSizes(arrowElement)[len];\n\n  //\n  // extends keepTogether behavior making sure the popper and its\n  // reference have enough pixels in conjuction\n  //\n\n  // top/left side\n  if (reference[opSide] - arrowElementSize < popper[side]) {\n    data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);\n  }\n  // bottom/right side\n  if (reference[side] + arrowElementSize > popper[opSide]) {\n    data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];\n  }\n\n  // compute center of the popper\n  var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;\n\n  // Compute the sideValue using the updated popper offsets\n  // take popper margin in account because we don't have this info available\n  var popperMarginSide = getStyleComputedProperty(data.instance.popper, 'margin' + sideCapitalized).replace('px', '');\n  var sideValue = center - getClientRect(data.offsets.popper)[side] - popperMarginSide;\n\n  // prevent arrowElement from being placed not contiguously to its popper\n  sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);\n\n  data.arrowElement = arrowElement;\n  data.offsets.arrow = {};\n  data.offsets.arrow[side] = Math.round(sideValue);\n  data.offsets.arrow[altSide] = ''; // make sure to unset any eventual altSide value from the DOM node\n\n  return data;\n}\n\n/**\n * Get the opposite placement variation of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement variation\n * @returns {String} flipped placement variation\n */\nfunction getOppositeVariation(variation) {\n  if (variation === 'end') {\n    return 'start';\n  } else if (variation === 'start') {\n    return 'end';\n  }\n  return variation;\n}\n\n/**\n * List of accepted placements to use as values of the `placement` option.<br />\n * Valid placements are:\n * - `auto`\n * - `top`\n * - `right`\n * - `bottom`\n * - `left`\n *\n * Each placement can have a variation from this list:\n * - `-start`\n * - `-end`\n *\n * Variations are interpreted easily if you think of them as the left to right\n * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`\n * is right.<br />\n * Vertically (`left` and `right`), `start` is top and `end` is bottom.\n *\n * Some valid examples are:\n * - `top-end` (on top of reference, right aligned)\n * - `right-start` (on right of reference, top aligned)\n * - `bottom` (on bottom, centered)\n * - `auto-right` (on the side with more space available, alignment depends by placement)\n *\n * @static\n * @type {Array}\n * @enum {String}\n * @readonly\n * @method placements\n * @memberof Popper\n */\nvar placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];\n\n// Get rid of `auto` `auto-start` and `auto-end`\nvar validPlacements = placements.slice(3);\n\n/**\n * Given an initial placement, returns all the subsequent placements\n * clockwise (or counter-clockwise).\n *\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement - A valid placement (it accepts variations)\n * @argument {Boolean} counter - Set to true to walk the placements counterclockwise\n * @returns {Array} placements including their variations\n */\nfunction clockwise(placement) {\n  var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n  var index = validPlacements.indexOf(placement);\n  var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));\n  return counter ? arr.reverse() : arr;\n}\n\nvar BEHAVIORS = {\n  FLIP: 'flip',\n  CLOCKWISE: 'clockwise',\n  COUNTERCLOCKWISE: 'counterclockwise'\n};\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction flip(data, options) {\n  // if `inner` modifier is enabled, we can't use the `flip` modifier\n  if (isModifierEnabled(data.instance.modifiers, 'inner')) {\n    return data;\n  }\n\n  if (data.flipped && data.placement === data.originalPlacement) {\n    // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides\n    return data;\n  }\n\n  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement);\n\n  var placement = data.placement.split('-')[0];\n  var placementOpposite = getOppositePlacement(placement);\n  var variation = data.placement.split('-')[1] || '';\n\n  var flipOrder = [];\n\n  switch (options.behavior) {\n    case BEHAVIORS.FLIP:\n      flipOrder = [placement, placementOpposite];\n      break;\n    case BEHAVIORS.CLOCKWISE:\n      flipOrder = clockwise(placement);\n      break;\n    case BEHAVIORS.COUNTERCLOCKWISE:\n      flipOrder = clockwise(placement, true);\n      break;\n    default:\n      flipOrder = options.behavior;\n  }\n\n  flipOrder.forEach(function (step, index) {\n    if (placement !== step || flipOrder.length === index + 1) {\n      return data;\n    }\n\n    placement = data.placement.split('-')[0];\n    placementOpposite = getOppositePlacement(placement);\n\n    var popperOffsets = data.offsets.popper;\n    var refOffsets = data.offsets.reference;\n\n    // using floor because the reference offsets may contain decimals we are not going to consider here\n    var floor = Math.floor;\n    var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);\n\n    var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);\n    var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);\n    var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);\n    var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);\n\n    var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;\n\n    // flip the variation if required\n    var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n    var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);\n\n    if (overlapsRef || overflowsBoundaries || flippedVariation) {\n      // this boolean to detect any flip loop\n      data.flipped = true;\n\n      if (overlapsRef || overflowsBoundaries) {\n        placement = flipOrder[index + 1];\n      }\n\n      if (flippedVariation) {\n        variation = getOppositeVariation(variation);\n      }\n\n      data.placement = placement + (variation ? '-' + variation : '');\n\n      // this object contains `position`, we want to preserve it along with\n      // any additional property we may add in the future\n      data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));\n\n      data = runModifiers(data.instance.modifiers, data, 'flip');\n    }\n  });\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction keepTogether(data) {\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var placement = data.placement.split('-')[0];\n  var floor = Math.floor;\n  var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n  var side = isVertical ? 'right' : 'bottom';\n  var opSide = isVertical ? 'left' : 'top';\n  var measurement = isVertical ? 'width' : 'height';\n\n  if (popper[side] < floor(reference[opSide])) {\n    data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];\n  }\n  if (popper[opSide] > floor(reference[side])) {\n    data.offsets.popper[opSide] = floor(reference[side]);\n  }\n\n  return data;\n}\n\n/**\n * Converts a string containing value + unit into a px value number\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} str - Value + unit string\n * @argument {String} measurement - `height` or `width`\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @returns {Number|String}\n * Value in pixels, or original string if no values were extracted\n */\nfunction toValue(str, measurement, popperOffsets, referenceOffsets) {\n  // separate value from unit\n  var split = str.match(/((?:\\-|\\+)?\\d*\\.?\\d*)(.*)/);\n  var value = +split[1];\n  var unit = split[2];\n\n  // If it's not a number it's an operator, I guess\n  if (!value) {\n    return str;\n  }\n\n  if (unit.indexOf('%') === 0) {\n    var element = void 0;\n    switch (unit) {\n      case '%p':\n        element = popperOffsets;\n        break;\n      case '%':\n      case '%r':\n      default:\n        element = referenceOffsets;\n    }\n\n    var rect = getClientRect(element);\n    return rect[measurement] / 100 * value;\n  } else if (unit === 'vh' || unit === 'vw') {\n    // if is a vh or vw, we calculate the size based on the viewport\n    var size = void 0;\n    if (unit === 'vh') {\n      size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);\n    } else {\n      size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);\n    }\n    return size / 100 * value;\n  } else {\n    // if is an explicit pixel unit, we get rid of the unit and keep the value\n    // if is an implicit unit, it's px, and we return just the value\n    return value;\n  }\n}\n\n/**\n * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} offset\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @argument {String} basePlacement\n * @returns {Array} a two cells array with x and y offsets in numbers\n */\nfunction parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {\n  var offsets = [0, 0];\n\n  // Use height if placement is left or right and index is 0 otherwise use width\n  // in this way the first offset will use an axis and the second one\n  // will use the other one\n  var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;\n\n  // Split the offset string to obtain a list of values and operands\n  // The regex addresses values with the plus or minus sign in front (+10, -20, etc)\n  var fragments = offset.split(/(\\+|\\-)/).map(function (frag) {\n    return frag.trim();\n  });\n\n  // Detect if the offset string contains a pair of values or a single one\n  // they could be separated by comma or space\n  var divider = fragments.indexOf(find(fragments, function (frag) {\n    return frag.search(/,|\\s/) !== -1;\n  }));\n\n  if (fragments[divider] && fragments[divider].indexOf(',') === -1) {\n    console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');\n  }\n\n  // If divider is found, we divide the list of values and operands to divide\n  // them by ofset X and Y.\n  var splitRegex = /\\s*,\\s*|\\s+/;\n  var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];\n\n  // Convert the values with units to absolute pixels to allow our computations\n  ops = ops.map(function (op, index) {\n    // Most of the units rely on the orientation of the popper\n    var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';\n    var mergeWithPrevious = false;\n    return op\n    // This aggregates any `+` or `-` sign that aren't considered operators\n    // e.g.: 10 + +5 => [10, +, +5]\n    .reduce(function (a, b) {\n      if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {\n        a[a.length - 1] = b;\n        mergeWithPrevious = true;\n        return a;\n      } else if (mergeWithPrevious) {\n        a[a.length - 1] += b;\n        mergeWithPrevious = false;\n        return a;\n      } else {\n        return a.concat(b);\n      }\n    }, [])\n    // Here we convert the string values into number values (in px)\n    .map(function (str) {\n      return toValue(str, measurement, popperOffsets, referenceOffsets);\n    });\n  });\n\n  // Loop trough the offsets arrays and execute the operations\n  ops.forEach(function (op, index) {\n    op.forEach(function (frag, index2) {\n      if (isNumeric(frag)) {\n        offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);\n      }\n    });\n  });\n  return offsets;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @argument {Number|String} options.offset=0\n * The offset value as described in the modifier description\n * @returns {Object} The data object, properly modified\n */\nfunction offset(data, _ref) {\n  var offset = _ref.offset;\n  var placement = data.placement,\n      _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var basePlacement = placement.split('-')[0];\n\n  var offsets = void 0;\n  if (isNumeric(+offset)) {\n    offsets = [+offset, 0];\n  } else {\n    offsets = parseOffset(offset, popper, reference, basePlacement);\n  }\n\n  if (basePlacement === 'left') {\n    popper.top += offsets[0];\n    popper.left -= offsets[1];\n  } else if (basePlacement === 'right') {\n    popper.top += offsets[0];\n    popper.left += offsets[1];\n  } else if (basePlacement === 'top') {\n    popper.left += offsets[0];\n    popper.top -= offsets[1];\n  } else if (basePlacement === 'bottom') {\n    popper.left += offsets[0];\n    popper.top += offsets[1];\n  }\n\n  data.popper = popper;\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction preventOverflow(data, options) {\n  var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);\n\n  // If offsetParent is the reference element, we really want to\n  // go one step up and use the next offsetParent as reference to\n  // avoid to make this modifier completely useless and look like broken\n  if (data.instance.reference === boundariesElement) {\n    boundariesElement = getOffsetParent(boundariesElement);\n  }\n\n  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement);\n  options.boundaries = boundaries;\n\n  var order = options.priority;\n  var popper = data.offsets.popper;\n\n  var check = {\n    primary: function primary(placement) {\n      var value = popper[placement];\n      if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {\n        value = Math.max(popper[placement], boundaries[placement]);\n      }\n      return defineProperty({}, placement, value);\n    },\n    secondary: function secondary(placement) {\n      var mainSide = placement === 'right' ? 'left' : 'top';\n      var value = popper[mainSide];\n      if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {\n        value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));\n      }\n      return defineProperty({}, mainSide, value);\n    }\n  };\n\n  order.forEach(function (placement) {\n    var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';\n    popper = _extends({}, popper, check[side](placement));\n  });\n\n  data.offsets.popper = popper;\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction shift(data) {\n  var placement = data.placement;\n  var basePlacement = placement.split('-')[0];\n  var shiftvariation = placement.split('-')[1];\n\n  // if shift shiftvariation is specified, run the modifier\n  if (shiftvariation) {\n    var _data$offsets = data.offsets,\n        reference = _data$offsets.reference,\n        popper = _data$offsets.popper;\n\n    var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;\n    var side = isVertical ? 'left' : 'top';\n    var measurement = isVertical ? 'width' : 'height';\n\n    var shiftOffsets = {\n      start: defineProperty({}, side, reference[side]),\n      end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])\n    };\n\n    data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);\n  }\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction hide(data) {\n  if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {\n    return data;\n  }\n\n  var refRect = data.offsets.reference;\n  var bound = find(data.instance.modifiers, function (modifier) {\n    return modifier.name === 'preventOverflow';\n  }).boundaries;\n\n  if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {\n    // Avoid unnecessary DOM access if visibility hasn't changed\n    if (data.hide === true) {\n      return data;\n    }\n\n    data.hide = true;\n    data.attributes['x-out-of-boundaries'] = '';\n  } else {\n    // Avoid unnecessary DOM access if visibility hasn't changed\n    if (data.hide === false) {\n      return data;\n    }\n\n    data.hide = false;\n    data.attributes['x-out-of-boundaries'] = false;\n  }\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction inner(data) {\n  var placement = data.placement;\n  var basePlacement = placement.split('-')[0];\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;\n\n  var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;\n\n  popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);\n\n  data.placement = getOppositePlacement(placement);\n  data.offsets.popper = getClientRect(popper);\n\n  return data;\n}\n\n/**\n * Modifier function, each modifier can have a function of this type assigned\n * to its `fn` property.<br />\n * These functions will be called on each update, this means that you must\n * make sure they are performant enough to avoid performance bottlenecks.\n *\n * @function ModifierFn\n * @argument {dataObject} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {dataObject} The data object, properly modified\n */\n\n/**\n * Modifiers are plugins used to alter the behavior of your poppers.<br />\n * Popper.js uses a set of 9 modifiers to provide all the basic functionalities\n * needed by the library.\n *\n * Usually you don't want to override the `order`, `fn` and `onLoad` props.\n * All the other properties are configurations that could be tweaked.\n * @namespace modifiers\n */\nvar modifiers = {\n  /**\n   * Modifier used to shift the popper on the start or end of its reference\n   * element.<br />\n   * It will read the variation of the `placement` property.<br />\n   * It can be one either `-end` or `-start`.\n   * @memberof modifiers\n   * @inner\n   */\n  shift: {\n    /** @prop {number} order=100 - Index used to define the order of execution */\n    order: 100,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: shift\n  },\n\n  /**\n   * The `offset` modifier can shift your popper on both its axis.\n   *\n   * It accepts the following units:\n   * - `px` or unitless, interpreted as pixels\n   * - `%` or `%r`, percentage relative to the length of the reference element\n   * - `%p`, percentage relative to the length of the popper element\n   * - `vw`, CSS viewport width unit\n   * - `vh`, CSS viewport height unit\n   *\n   * For length is intended the main axis relative to the placement of the popper.<br />\n   * This means that if the placement is `top` or `bottom`, the length will be the\n   * `width`. In case of `left` or `right`, it will be the height.\n   *\n   * You can provide a single value (as `Number` or `String`), or a pair of values\n   * as `String` divided by a comma or one (or more) white spaces.<br />\n   * The latter is a deprecated method because it leads to confusion and will be\n   * removed in v2.<br />\n   * Additionally, it accepts additions and subtractions between different units.\n   * Note that multiplications and divisions aren't supported.\n   *\n   * Valid examples are:\n   * ```\n   * 10\n   * '10%'\n   * '10, 10'\n   * '10%, 10'\n   * '10 + 10%'\n   * '10 - 5vh + 3%'\n   * '-10px + 5vh, 5px - 6%'\n   * ```\n   * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap\n   * > with their reference element, unfortunately, you will have to disable the `flip` modifier.\n   * > More on this [reading this issue](https://github.com/FezVrasta/popper.js/issues/373)\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  offset: {\n    /** @prop {number} order=200 - Index used to define the order of execution */\n    order: 200,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: offset,\n    /** @prop {Number|String} offset=0\n     * The offset value as described in the modifier description\n     */\n    offset: 0\n  },\n\n  /**\n   * Modifier used to prevent the popper from being positioned outside the boundary.\n   *\n   * An scenario exists where the reference itself is not within the boundaries.<br />\n   * We can say it has \"escaped the boundaries\" — or just \"escaped\".<br />\n   * In this case we need to decide whether the popper should either:\n   *\n   * - detach from the reference and remain \"trapped\" in the boundaries, or\n   * - if it should ignore the boundary and \"escape with its reference\"\n   *\n   * When `escapeWithReference` is set to`true` and reference is completely\n   * outside its boundaries, the popper will overflow (or completely leave)\n   * the boundaries in order to remain attached to the edge of the reference.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  preventOverflow: {\n    /** @prop {number} order=300 - Index used to define the order of execution */\n    order: 300,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: preventOverflow,\n    /**\n     * @prop {Array} [priority=['left','right','top','bottom']]\n     * Popper will try to prevent overflow following these priorities by default,\n     * then, it could overflow on the left and on top of the `boundariesElement`\n     */\n    priority: ['left', 'right', 'top', 'bottom'],\n    /**\n     * @prop {number} padding=5\n     * Amount of pixel used to define a minimum distance between the boundaries\n     * and the popper this makes sure the popper has always a little padding\n     * between the edges of its container\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='scrollParent'\n     * Boundaries used by the modifier, can be `scrollParent`, `window`,\n     * `viewport` or any DOM element.\n     */\n    boundariesElement: 'scrollParent'\n  },\n\n  /**\n   * Modifier used to make sure the reference and its popper stay near eachothers\n   * without leaving any gap between the two. Expecially useful when the arrow is\n   * enabled and you want to assure it to point to its reference element.\n   * It cares only about the first axis, you can still have poppers with margin\n   * between the popper and its reference element.\n   * @memberof modifiers\n   * @inner\n   */\n  keepTogether: {\n    /** @prop {number} order=400 - Index used to define the order of execution */\n    order: 400,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: keepTogether\n  },\n\n  /**\n   * This modifier is used to move the `arrowElement` of the popper to make\n   * sure it is positioned between the reference element and its popper element.\n   * It will read the outer size of the `arrowElement` node to detect how many\n   * pixels of conjuction are needed.\n   *\n   * It has no effect if no `arrowElement` is provided.\n   * @memberof modifiers\n   * @inner\n   */\n  arrow: {\n    /** @prop {number} order=500 - Index used to define the order of execution */\n    order: 500,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: arrow,\n    /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */\n    element: '[x-arrow]'\n  },\n\n  /**\n   * Modifier used to flip the popper's placement when it starts to overlap its\n   * reference element.\n   *\n   * Requires the `preventOverflow` modifier before it in order to work.\n   *\n   * **NOTE:** this modifier will interrupt the current update cycle and will\n   * restart it if it detects the need to flip the placement.\n   * @memberof modifiers\n   * @inner\n   */\n  flip: {\n    /** @prop {number} order=600 - Index used to define the order of execution */\n    order: 600,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: flip,\n    /**\n     * @prop {String|Array} behavior='flip'\n     * The behavior used to change the popper's placement. It can be one of\n     * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid\n     * placements (with optional variations).\n     */\n    behavior: 'flip',\n    /**\n     * @prop {number} padding=5\n     * The popper will flip if it hits the edges of the `boundariesElement`\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='viewport'\n     * The element which will define the boundaries of the popper position,\n     * the popper will never be placed outside of the defined boundaries\n     * (except if keepTogether is enabled)\n     */\n    boundariesElement: 'viewport'\n  },\n\n  /**\n   * Modifier used to make the popper flow toward the inner of the reference element.\n   * By default, when this modifier is disabled, the popper will be placed outside\n   * the reference element.\n   * @memberof modifiers\n   * @inner\n   */\n  inner: {\n    /** @prop {number} order=700 - Index used to define the order of execution */\n    order: 700,\n    /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */\n    enabled: false,\n    /** @prop {ModifierFn} */\n    fn: inner\n  },\n\n  /**\n   * Modifier used to hide the popper when its reference element is outside of the\n   * popper boundaries. It will set a `x-out-of-boundaries` attribute which can\n   * be used to hide with a CSS selector the popper when its reference is\n   * out of boundaries.\n   *\n   * Requires the `preventOverflow` modifier before it in order to work.\n   * @memberof modifiers\n   * @inner\n   */\n  hide: {\n    /** @prop {number} order=800 - Index used to define the order of execution */\n    order: 800,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: hide\n  },\n\n  /**\n   * Computes the style that will be applied to the popper element to gets\n   * properly positioned.\n   *\n   * Note that this modifier will not touch the DOM, it just prepares the styles\n   * so that `applyStyle` modifier can apply it. This separation is useful\n   * in case you need to replace `applyStyle` with a custom implementation.\n   *\n   * This modifier has `850` as `order` value to maintain backward compatibility\n   * with previous versions of Popper.js. Expect the modifiers ordering method\n   * to change in future major versions of the library.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  computeStyle: {\n    /** @prop {number} order=850 - Index used to define the order of execution */\n    order: 850,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: computeStyle,\n    /**\n     * @prop {Boolean} gpuAcceleration=true\n     * If true, it uses the CSS 3d transformation to position the popper.\n     * Otherwise, it will use the `top` and `left` properties.\n     */\n    gpuAcceleration: true,\n    /**\n     * @prop {string} [x='bottom']\n     * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.\n     * Change this if your popper should grow in a direction different from `bottom`\n     */\n    x: 'bottom',\n    /**\n     * @prop {string} [x='left']\n     * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.\n     * Change this if your popper should grow in a direction different from `right`\n     */\n    y: 'right'\n  },\n\n  /**\n   * Applies the computed styles to the popper element.\n   *\n   * All the DOM manipulations are limited to this modifier. This is useful in case\n   * you want to integrate Popper.js inside a framework or view library and you\n   * want to delegate all the DOM manipulations to it.\n   *\n   * Note that if you disable this modifier, you must make sure the popper element\n   * has its position set to `absolute` before Popper.js can do its work!\n   *\n   * Just disable this modifier and define you own to achieve the desired effect.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  applyStyle: {\n    /** @prop {number} order=900 - Index used to define the order of execution */\n    order: 900,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: applyStyle,\n    /** @prop {Function} */\n    onLoad: applyStyleOnLoad,\n    /**\n     * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier\n     * @prop {Boolean} gpuAcceleration=true\n     * If true, it uses the CSS 3d transformation to position the popper.\n     * Otherwise, it will use the `top` and `left` properties.\n     */\n    gpuAcceleration: undefined\n  }\n};\n\n/**\n * The `dataObject` is an object containing all the informations used by Popper.js\n * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks.\n * @name dataObject\n * @property {Object} data.instance The Popper.js instance\n * @property {String} data.placement Placement applied to popper\n * @property {String} data.originalPlacement Placement originally defined on init\n * @property {Boolean} data.flipped True if popper has been flipped by flip modifier\n * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper.\n * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier\n * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.boundaries Offsets of the popper boundaries\n * @property {Object} data.offsets The measurements of popper, reference and arrow elements.\n * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0\n */\n\n/**\n * Default options provided to Popper.js constructor.<br />\n * These can be overriden using the `options` argument of Popper.js.<br />\n * To override an option, simply pass as 3rd argument an object with the same\n * structure of this object, example:\n * ```\n * new Popper(ref, pop, {\n *   modifiers: {\n *     preventOverflow: { enabled: false }\n *   }\n * })\n * ```\n * @type {Object}\n * @static\n * @memberof Popper\n */\nvar Defaults = {\n  /**\n   * Popper's placement\n   * @prop {Popper.placements} placement='bottom'\n   */\n  placement: 'bottom',\n\n  /**\n   * Whether events (resize, scroll) are initially enabled\n   * @prop {Boolean} eventsEnabled=true\n   */\n  eventsEnabled: true,\n\n  /**\n   * Set to true if you want to automatically remove the popper when\n   * you call the `destroy` method.\n   * @prop {Boolean} removeOnDestroy=false\n   */\n  removeOnDestroy: false,\n\n  /**\n   * Callback called when the popper is created.<br />\n   * By default, is set to no-op.<br />\n   * Access Popper.js instance with `data.instance`.\n   * @prop {onCreate}\n   */\n  onCreate: function onCreate() {},\n\n  /**\n   * Callback called when the popper is updated, this callback is not called\n   * on the initialization/creation of the popper, but only on subsequent\n   * updates.<br />\n   * By default, is set to no-op.<br />\n   * Access Popper.js instance with `data.instance`.\n   * @prop {onUpdate}\n   */\n  onUpdate: function onUpdate() {},\n\n  /**\n   * List of modifiers used to modify the offsets before they are applied to the popper.\n   * They provide most of the functionalities of Popper.js\n   * @prop {modifiers}\n   */\n  modifiers: modifiers\n};\n\n/**\n * @callback onCreate\n * @param {dataObject} data\n */\n\n/**\n * @callback onUpdate\n * @param {dataObject} data\n */\n\n// Utils\n// Methods\nvar Popper = function () {\n  /**\n   * Create a new Popper.js instance\n   * @class Popper\n   * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper\n   * @param {HTMLElement} popper - The HTML element used as popper.\n   * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)\n   * @return {Object} instance - The generated Popper.js instance\n   */\n  function Popper(reference, popper) {\n    var _this = this;\n\n    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n    classCallCheck(this, Popper);\n\n    this.scheduleUpdate = function () {\n      return requestAnimationFrame(_this.update);\n    };\n\n    // make update() debounced, so that it only runs at most once-per-tick\n    this.update = debounce(this.update.bind(this));\n\n    // with {} we create a new object with the options inside it\n    this.options = _extends({}, Popper.Defaults, options);\n\n    // init state\n    this.state = {\n      isDestroyed: false,\n      isCreated: false,\n      scrollParents: []\n    };\n\n    // get reference and popper elements (allow jQuery wrappers)\n    this.reference = reference && reference.jquery ? reference[0] : reference;\n    this.popper = popper && popper.jquery ? popper[0] : popper;\n\n    // Deep merge modifiers options\n    this.options.modifiers = {};\n    Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {\n      _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});\n    });\n\n    // Refactoring modifiers' list (Object => Array)\n    this.modifiers = Object.keys(this.options.modifiers).map(function (name) {\n      return _extends({\n        name: name\n      }, _this.options.modifiers[name]);\n    })\n    // sort the modifiers by order\n    .sort(function (a, b) {\n      return a.order - b.order;\n    });\n\n    // modifiers have the ability to execute arbitrary code when Popper.js get inited\n    // such code is executed in the same order of its modifier\n    // they could add new properties to their options configuration\n    // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!\n    this.modifiers.forEach(function (modifierOptions) {\n      if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {\n        modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);\n      }\n    });\n\n    // fire the first update to position the popper in the right place\n    this.update();\n\n    var eventsEnabled = this.options.eventsEnabled;\n    if (eventsEnabled) {\n      // setup event listeners, they will take care of update the position in specific situations\n      this.enableEventListeners();\n    }\n\n    this.state.eventsEnabled = eventsEnabled;\n  }\n\n  // We can't use class properties because they don't get listed in the\n  // class prototype and break stuff like Sinon stubs\n\n\n  createClass(Popper, [{\n    key: 'update',\n    value: function update$$1() {\n      return update.call(this);\n    }\n  }, {\n    key: 'destroy',\n    value: function destroy$$1() {\n      return destroy.call(this);\n    }\n  }, {\n    key: 'enableEventListeners',\n    value: function enableEventListeners$$1() {\n      return enableEventListeners.call(this);\n    }\n  }, {\n    key: 'disableEventListeners',\n    value: function disableEventListeners$$1() {\n      return disableEventListeners.call(this);\n    }\n\n    /**\n     * Schedule an update, it will run on the next UI update available\n     * @method scheduleUpdate\n     * @memberof Popper\n     */\n\n\n    /**\n     * Collection of utilities useful when writing custom modifiers.\n     * Starting from version 1.7, this method is available only if you\n     * include `popper-utils.js` before `popper.js`.\n     *\n     * **DEPRECATION**: This way to access PopperUtils is deprecated\n     * and will be removed in v2! Use the PopperUtils module directly instead.\n     * Due to the high instability of the methods contained in Utils, we can't\n     * guarantee them to follow semver. Use them at your own risk!\n     * @static\n     * @private\n     * @type {Object}\n     * @deprecated since version 1.8\n     * @member Utils\n     * @memberof Popper\n     */\n\n  }]);\n  return Popper;\n}();\n\n/**\n * The `referenceObject` is an object that provides an interface compatible with Popper.js\n * and lets you use it as replacement of a real DOM node.<br />\n * You can use this method to position a popper relatively to a set of coordinates\n * in case you don't have a DOM node to use as reference.\n *\n * ```\n * new Popper(referenceObject, popperNode);\n * ```\n *\n * NB: This feature isn't supported in Internet Explorer 10\n * @name referenceObject\n * @property {Function} data.getBoundingClientRect\n * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.\n * @property {number} data.clientWidth\n * An ES6 getter that will return the width of the virtual reference element.\n * @property {number} data.clientHeight\n * An ES6 getter that will return the height of the virtual reference element.\n */\n\n\nPopper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;\nPopper.placements = placements;\nPopper.Defaults = Defaults;\n\nreturn Popper;\n\n})));\n//# sourceMappingURL=popper.js.map\n"],"file":"popper.min.js"}
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* @fileOverview Kickass library to create and place poppers near their reference elements.\n * @version 1.12.6\n * @license\n * Copyright (c) 2016 Federico Zivolo and contributors\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  (global.Popper = factory());\n}(this, (function () { 'use strict';\n\nvar isBrowser = typeof window !== 'undefined' && typeof window.document !== 'undefined';\nvar longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];\nvar timeoutDuration = 0;\nfor (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {\n  if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {\n    timeoutDuration = 1;\n    break;\n  }\n}\n\nfunction microtaskDebounce(fn) {\n  var called = false;\n  return function () {\n    if (called) {\n      return;\n    }\n    called = true;\n    Promise.resolve().then(function () {\n      called = false;\n      fn();\n    });\n  };\n}\n\nfunction taskDebounce(fn) {\n  var scheduled = false;\n  return function () {\n    if (!scheduled) {\n      scheduled = true;\n      setTimeout(function () {\n        scheduled = false;\n        fn();\n      }, timeoutDuration);\n    }\n  };\n}\n\nvar supportsMicroTasks = isBrowser && window.Promise;\n\n/**\n* Create a debounced version of a method, that's asynchronously deferred\n* but called in the minimum time possible.\n*\n* @method\n* @memberof Popper.Utils\n* @argument {Function} fn\n* @returns {Function}\n*/\nvar debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;\n\n/**\n * Check if the given variable is a function\n * @method\n * @memberof Popper.Utils\n * @argument {Any} functionToCheck - variable to check\n * @returns {Boolean} answer to: is a function?\n */\nfunction isFunction(functionToCheck) {\n  var getType = {};\n  return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';\n}\n\n/**\n * Get CSS computed property of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Eement} element\n * @argument {String} property\n */\nfunction getStyleComputedProperty(element, property) {\n  if (element.nodeType !== 1) {\n    return [];\n  }\n  // NOTE: 1 DOM access here\n  var css = window.getComputedStyle(element, null);\n  return property ? css[property] : css;\n}\n\n/**\n * Returns the parentNode or the host of the element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} parent\n */\nfunction getParentNode(element) {\n  if (element.nodeName === 'HTML') {\n    return element;\n  }\n  return element.parentNode || element.host;\n}\n\n/**\n * Returns the scrolling parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} scroll parent\n */\nfunction getScrollParent(element) {\n  // Return body, `getScroll` will take care to get the correct `scrollTop` from it\n  if (!element) {\n    return window.document.body;\n  }\n\n  switch (element.nodeName) {\n    case 'HTML':\n    case 'BODY':\n      return element.ownerDocument.body;\n    case '#document':\n      return element.body;\n  }\n\n  // Firefox want us to check `-x` and `-y` variations as well\n\n  var _getStyleComputedProp = getStyleComputedProperty(element),\n      overflow = _getStyleComputedProp.overflow,\n      overflowX = _getStyleComputedProp.overflowX,\n      overflowY = _getStyleComputedProp.overflowY;\n\n  if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) {\n    return element;\n  }\n\n  return getScrollParent(getParentNode(element));\n}\n\n/**\n * Returns the offset parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} offset parent\n */\nfunction getOffsetParent(element) {\n  // NOTE: 1 DOM access here\n  var offsetParent = element && element.offsetParent;\n  var nodeName = offsetParent && offsetParent.nodeName;\n\n  if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {\n    if (element) {\n      return element.ownerDocument.documentElement;\n    }\n\n    return window.document.documentElement;\n  }\n\n  // .offsetParent will return the closest TD or TABLE in case\n  // no offsetParent is present, I hate this job...\n  if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {\n    return getOffsetParent(offsetParent);\n  }\n\n  return offsetParent;\n}\n\nfunction isOffsetContainer(element) {\n  var nodeName = element.nodeName;\n\n  if (nodeName === 'BODY') {\n    return false;\n  }\n  return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;\n}\n\n/**\n * Finds the root node (document, shadowDOM root) of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} node\n * @returns {Element} root node\n */\nfunction getRoot(node) {\n  if (node.parentNode !== null) {\n    return getRoot(node.parentNode);\n  }\n\n  return node;\n}\n\n/**\n * Finds the offset parent common to the two provided nodes\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element1\n * @argument {Element} element2\n * @returns {Element} common offset parent\n */\nfunction findCommonOffsetParent(element1, element2) {\n  // This check is needed to avoid errors in case one of the elements isn't defined for any reason\n  if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {\n    return window.document.documentElement;\n  }\n\n  // Here we make sure to give as \"start\" the element that comes first in the DOM\n  var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;\n  var start = order ? element1 : element2;\n  var end = order ? element2 : element1;\n\n  // Get common ancestor container\n  var range = document.createRange();\n  range.setStart(start, 0);\n  range.setEnd(end, 0);\n  var commonAncestorContainer = range.commonAncestorContainer;\n\n  // Both nodes are inside #document\n\n  if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {\n    if (isOffsetContainer(commonAncestorContainer)) {\n      return commonAncestorContainer;\n    }\n\n    return getOffsetParent(commonAncestorContainer);\n  }\n\n  // one of the nodes is inside shadowDOM, find which one\n  var element1root = getRoot(element1);\n  if (element1root.host) {\n    return findCommonOffsetParent(element1root.host, element2);\n  } else {\n    return findCommonOffsetParent(element1, getRoot(element2).host);\n  }\n}\n\n/**\n * Gets the scroll value of the given element in the given side (top and left)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {String} side `top` or `left`\n * @returns {number} amount of scrolled pixels\n */\nfunction getScroll(element) {\n  var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';\n\n  var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';\n  var nodeName = element.nodeName;\n\n  if (nodeName === 'BODY' || nodeName === 'HTML') {\n    var html = element.ownerDocument.documentElement;\n    var scrollingElement = element.ownerDocument.scrollingElement || html;\n    return scrollingElement[upperSide];\n  }\n\n  return element[upperSide];\n}\n\n/*\n * Sum or subtract the element scroll values (left and top) from a given rect object\n * @method\n * @memberof Popper.Utils\n * @param {Object} rect - Rect object you want to change\n * @param {HTMLElement} element - The element from the function reads the scroll values\n * @param {Boolean} subtract - set to true if you want to subtract the scroll values\n * @return {Object} rect - The modifier rect object\n */\nfunction includeScroll(rect, element) {\n  var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n  var scrollTop = getScroll(element, 'top');\n  var scrollLeft = getScroll(element, 'left');\n  var modifier = subtract ? -1 : 1;\n  rect.top += scrollTop * modifier;\n  rect.bottom += scrollTop * modifier;\n  rect.left += scrollLeft * modifier;\n  rect.right += scrollLeft * modifier;\n  return rect;\n}\n\n/*\n * Helper to detect borders of a given element\n * @method\n * @memberof Popper.Utils\n * @param {CSSStyleDeclaration} styles\n * Result of `getStyleComputedProperty` on the given element\n * @param {String} axis - `x` or `y`\n * @return {number} borders - The borders size of the given axis\n */\n\nfunction getBordersSize(styles, axis) {\n  var sideA = axis === 'x' ? 'Left' : 'Top';\n  var sideB = sideA === 'Left' ? 'Right' : 'Bottom';\n\n  return +styles['border' + sideA + 'Width'].split('px')[0] + +styles['border' + sideB + 'Width'].split('px')[0];\n}\n\n/**\n * Tells if you are running Internet Explorer 10\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean} isIE10\n */\nvar isIE10 = undefined;\n\nvar isIE10$1 = function () {\n  if (isIE10 === undefined) {\n    isIE10 = navigator.appVersion.indexOf('MSIE 10') !== -1;\n  }\n  return isIE10;\n};\n\nfunction getSize(axis, body, html, computedStyle) {\n  return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE10$1() ? html['offset' + axis] + computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')] + computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')] : 0);\n}\n\nfunction getWindowSizes() {\n  var body = window.document.body;\n  var html = window.document.documentElement;\n  var computedStyle = isIE10$1() && window.getComputedStyle(html);\n\n  return {\n    height: getSize('Height', body, html, computedStyle),\n    width: getSize('Width', body, html, computedStyle)\n  };\n}\n\nvar classCallCheck = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\nvar createClass = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      Object.defineProperty(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n\n\n\nvar defineProperty = function (obj, key, value) {\n  if (key in obj) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n  } else {\n    obj[key] = value;\n  }\n\n  return obj;\n};\n\nvar _extends = Object.assign || function (target) {\n  for (var i = 1; i < arguments.length; i++) {\n    var source = arguments[i];\n\n    for (var key in source) {\n      if (Object.prototype.hasOwnProperty.call(source, key)) {\n        target[key] = source[key];\n      }\n    }\n  }\n\n  return target;\n};\n\n/**\n * Given element offsets, generate an output similar to getBoundingClientRect\n * @method\n * @memberof Popper.Utils\n * @argument {Object} offsets\n * @returns {Object} ClientRect like output\n */\nfunction getClientRect(offsets) {\n  return _extends({}, offsets, {\n    right: offsets.left + offsets.width,\n    bottom: offsets.top + offsets.height\n  });\n}\n\n/**\n * Get bounding client rect of given element\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} element\n * @return {Object} client rect\n */\nfunction getBoundingClientRect(element) {\n  var rect = {};\n\n  // IE10 10 FIX: Please, don't ask, the element isn't\n  // considered in DOM in some circumstances...\n  // This isn't reproducible in IE10 compatibility mode of IE11\n  if (isIE10$1()) {\n    try {\n      rect = element.getBoundingClientRect();\n      var scrollTop = getScroll(element, 'top');\n      var scrollLeft = getScroll(element, 'left');\n      rect.top += scrollTop;\n      rect.left += scrollLeft;\n      rect.bottom += scrollTop;\n      rect.right += scrollLeft;\n    } catch (err) {}\n  } else {\n    rect = element.getBoundingClientRect();\n  }\n\n  var result = {\n    left: rect.left,\n    top: rect.top,\n    width: rect.right - rect.left,\n    height: rect.bottom - rect.top\n  };\n\n  // subtract scrollbar size from sizes\n  var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {};\n  var width = sizes.width || element.clientWidth || result.right - result.left;\n  var height = sizes.height || element.clientHeight || result.bottom - result.top;\n\n  var horizScrollbar = element.offsetWidth - width;\n  var vertScrollbar = element.offsetHeight - height;\n\n  // if an hypothetical scrollbar is detected, we must be sure it's not a `border`\n  // we make this check conditional for performance reasons\n  if (horizScrollbar || vertScrollbar) {\n    var styles = getStyleComputedProperty(element);\n    horizScrollbar -= getBordersSize(styles, 'x');\n    vertScrollbar -= getBordersSize(styles, 'y');\n\n    result.width -= horizScrollbar;\n    result.height -= vertScrollbar;\n  }\n\n  return getClientRect(result);\n}\n\nfunction getOffsetRectRelativeToArbitraryNode(children, parent) {\n  var isIE10 = isIE10$1();\n  var isHTML = parent.nodeName === 'HTML';\n  var childrenRect = getBoundingClientRect(children);\n  var parentRect = getBoundingClientRect(parent);\n  var scrollParent = getScrollParent(children);\n\n  var styles = getStyleComputedProperty(parent);\n  var borderTopWidth = +styles.borderTopWidth.split('px')[0];\n  var borderLeftWidth = +styles.borderLeftWidth.split('px')[0];\n\n  var offsets = getClientRect({\n    top: childrenRect.top - parentRect.top - borderTopWidth,\n    left: childrenRect.left - parentRect.left - borderLeftWidth,\n    width: childrenRect.width,\n    height: childrenRect.height\n  });\n  offsets.marginTop = 0;\n  offsets.marginLeft = 0;\n\n  // Subtract margins of documentElement in case it's being used as parent\n  // we do this only on HTML because it's the only element that behaves\n  // differently when margins are applied to it. The margins are included in\n  // the box of the documentElement, in the other cases not.\n  if (!isIE10 && isHTML) {\n    var marginTop = +styles.marginTop.split('px')[0];\n    var marginLeft = +styles.marginLeft.split('px')[0];\n\n    offsets.top -= borderTopWidth - marginTop;\n    offsets.bottom -= borderTopWidth - marginTop;\n    offsets.left -= borderLeftWidth - marginLeft;\n    offsets.right -= borderLeftWidth - marginLeft;\n\n    // Attach marginTop and marginLeft because in some circumstances we may need them\n    offsets.marginTop = marginTop;\n    offsets.marginLeft = marginLeft;\n  }\n\n  if (isIE10 ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {\n    offsets = includeScroll(offsets, parent);\n  }\n\n  return offsets;\n}\n\nfunction getViewportOffsetRectRelativeToArtbitraryNode(element) {\n  var html = element.ownerDocument.documentElement;\n  var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);\n  var width = Math.max(html.clientWidth, window.innerWidth || 0);\n  var height = Math.max(html.clientHeight, window.innerHeight || 0);\n\n  var scrollTop = getScroll(html);\n  var scrollLeft = getScroll(html, 'left');\n\n  var offset = {\n    top: scrollTop - relativeOffset.top + relativeOffset.marginTop,\n    left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,\n    width: width,\n    height: height\n  };\n\n  return getClientRect(offset);\n}\n\n/**\n * Check if the given element is fixed or is inside a fixed parent\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {Element} customContainer\n * @returns {Boolean} answer to \"isFixed?\"\n */\nfunction isFixed(element) {\n  var nodeName = element.nodeName;\n  if (nodeName === 'BODY' || nodeName === 'HTML') {\n    return false;\n  }\n  if (getStyleComputedProperty(element, 'position') === 'fixed') {\n    return true;\n  }\n  return isFixed(getParentNode(element));\n}\n\n/**\n * Computed the boundaries limits and return them\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} popper\n * @param {HTMLElement} reference\n * @param {number} padding\n * @param {HTMLElement} boundariesElement - Element used to define the boundaries\n * @returns {Object} Coordinates of the boundaries\n */\nfunction getBoundaries(popper, reference, padding, boundariesElement) {\n  // NOTE: 1 DOM access here\n  var boundaries = { top: 0, left: 0 };\n  var offsetParent = findCommonOffsetParent(popper, reference);\n\n  // Handle viewport case\n  if (boundariesElement === 'viewport') {\n    boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent);\n  } else {\n    // Handle other cases based on DOM element used as boundaries\n    var boundariesNode = void 0;\n    if (boundariesElement === 'scrollParent') {\n      boundariesNode = getScrollParent(getParentNode(popper));\n      if (boundariesNode.nodeName === 'BODY') {\n        boundariesNode = popper.ownerDocument.documentElement;\n      }\n    } else if (boundariesElement === 'window') {\n      boundariesNode = popper.ownerDocument.documentElement;\n    } else {\n      boundariesNode = boundariesElement;\n    }\n\n    var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent);\n\n    // In case of HTML, we need a different computation\n    if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {\n      var _getWindowSizes = getWindowSizes(),\n          height = _getWindowSizes.height,\n          width = _getWindowSizes.width;\n\n      boundaries.top += offsets.top - offsets.marginTop;\n      boundaries.bottom = height + offsets.top;\n      boundaries.left += offsets.left - offsets.marginLeft;\n      boundaries.right = width + offsets.left;\n    } else {\n      // for all the other DOM elements, this one is good\n      boundaries = offsets;\n    }\n  }\n\n  // Add paddings\n  boundaries.left += padding;\n  boundaries.top += padding;\n  boundaries.right -= padding;\n  boundaries.bottom -= padding;\n\n  return boundaries;\n}\n\nfunction getArea(_ref) {\n  var width = _ref.width,\n      height = _ref.height;\n\n  return width * height;\n}\n\n/**\n * Utility used to transform the `auto` placement to the placement with more\n * available space.\n * @method\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {\n  var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;\n\n  if (placement.indexOf('auto') === -1) {\n    return placement;\n  }\n\n  var boundaries = getBoundaries(popper, reference, padding, boundariesElement);\n\n  var rects = {\n    top: {\n      width: boundaries.width,\n      height: refRect.top - boundaries.top\n    },\n    right: {\n      width: boundaries.right - refRect.right,\n      height: boundaries.height\n    },\n    bottom: {\n      width: boundaries.width,\n      height: boundaries.bottom - refRect.bottom\n    },\n    left: {\n      width: refRect.left - boundaries.left,\n      height: boundaries.height\n    }\n  };\n\n  var sortedAreas = Object.keys(rects).map(function (key) {\n    return _extends({\n      key: key\n    }, rects[key], {\n      area: getArea(rects[key])\n    });\n  }).sort(function (a, b) {\n    return b.area - a.area;\n  });\n\n  var filteredAreas = sortedAreas.filter(function (_ref2) {\n    var width = _ref2.width,\n        height = _ref2.height;\n    return width >= popper.clientWidth && height >= popper.clientHeight;\n  });\n\n  var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;\n\n  var variation = placement.split('-')[1];\n\n  return computedPlacement + (variation ? '-' + variation : '');\n}\n\n/**\n * Get offsets to the reference element\n * @method\n * @memberof Popper.Utils\n * @param {Object} state\n * @param {Element} popper - the popper element\n * @param {Element} reference - the reference element (the popper will be relative to this)\n * @returns {Object} An object containing the offsets which will be applied to the popper\n */\nfunction getReferenceOffsets(state, popper, reference) {\n  var commonOffsetParent = findCommonOffsetParent(popper, reference);\n  return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent);\n}\n\n/**\n * Get the outer sizes of the given element (offset size + margins)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Object} object containing width and height properties\n */\nfunction getOuterSizes(element) {\n  var styles = window.getComputedStyle(element);\n  var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);\n  var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);\n  var result = {\n    width: element.offsetWidth + y,\n    height: element.offsetHeight + x\n  };\n  return result;\n}\n\n/**\n * Get the opposite placement of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement\n * @returns {String} flipped placement\n */\nfunction getOppositePlacement(placement) {\n  var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };\n  return placement.replace(/left|right|bottom|top/g, function (matched) {\n    return hash[matched];\n  });\n}\n\n/**\n * Get offsets to the popper\n * @method\n * @memberof Popper.Utils\n * @param {Object} position - CSS position the Popper will get applied\n * @param {HTMLElement} popper - the popper element\n * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)\n * @param {String} placement - one of the valid placement options\n * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper\n */\nfunction getPopperOffsets(popper, referenceOffsets, placement) {\n  placement = placement.split('-')[0];\n\n  // Get popper node sizes\n  var popperRect = getOuterSizes(popper);\n\n  // Add position, width and height to our offsets object\n  var popperOffsets = {\n    width: popperRect.width,\n    height: popperRect.height\n  };\n\n  // depending by the popper placement we have to compute its offsets slightly differently\n  var isHoriz = ['right', 'left'].indexOf(placement) !== -1;\n  var mainSide = isHoriz ? 'top' : 'left';\n  var secondarySide = isHoriz ? 'left' : 'top';\n  var measurement = isHoriz ? 'height' : 'width';\n  var secondaryMeasurement = !isHoriz ? 'height' : 'width';\n\n  popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;\n  if (placement === secondarySide) {\n    popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];\n  } else {\n    popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];\n  }\n\n  return popperOffsets;\n}\n\n/**\n * Mimics the `find` method of Array\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction find(arr, check) {\n  // use native find if supported\n  if (Array.prototype.find) {\n    return arr.find(check);\n  }\n\n  // use `filter` to obtain the same behavior of `find`\n  return arr.filter(check)[0];\n}\n\n/**\n * Return the index of the matching object\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction findIndex(arr, prop, value) {\n  // use native findIndex if supported\n  if (Array.prototype.findIndex) {\n    return arr.findIndex(function (cur) {\n      return cur[prop] === value;\n    });\n  }\n\n  // use `find` + `indexOf` if `findIndex` isn't supported\n  var match = find(arr, function (obj) {\n    return obj[prop] === value;\n  });\n  return arr.indexOf(match);\n}\n\n/**\n * Loop trough the list of modifiers and run them in order,\n * each of them will then edit the data object.\n * @method\n * @memberof Popper.Utils\n * @param {dataObject} data\n * @param {Array} modifiers\n * @param {String} ends - Optional modifier name used as stopper\n * @returns {dataObject}\n */\nfunction runModifiers(modifiers, data, ends) {\n  var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));\n\n  modifiersToRun.forEach(function (modifier) {\n    if (modifier['function']) {\n      // eslint-disable-line dot-notation\n      console.warn('`modifier.function` is deprecated, use `modifier.fn`!');\n    }\n    var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation\n    if (modifier.enabled && isFunction(fn)) {\n      // Add properties to offsets to make them a complete clientRect object\n      // we do this before each modifier to make sure the previous one doesn't\n      // mess with these values\n      data.offsets.popper = getClientRect(data.offsets.popper);\n      data.offsets.reference = getClientRect(data.offsets.reference);\n\n      data = fn(data, modifier);\n    }\n  });\n\n  return data;\n}\n\n/**\n * Updates the position of the popper, computing the new offsets and applying\n * the new style.<br />\n * Prefer `scheduleUpdate` over `update` because of performance reasons.\n * @method\n * @memberof Popper\n */\nfunction update() {\n  // if popper is destroyed, don't perform any further update\n  if (this.state.isDestroyed) {\n    return;\n  }\n\n  var data = {\n    instance: this,\n    styles: {},\n    arrowStyles: {},\n    attributes: {},\n    flipped: false,\n    offsets: {}\n  };\n\n  // compute reference element offsets\n  data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference);\n\n  // compute auto placement, store placement inside the data object,\n  // modifiers will be able to edit `placement` if needed\n  // and refer to originalPlacement to know the original value\n  data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);\n\n  // store the computed placement inside `originalPlacement`\n  data.originalPlacement = data.placement;\n\n  // compute the popper offsets\n  data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);\n  data.offsets.popper.position = 'absolute';\n\n  // run the modifiers\n  data = runModifiers(this.modifiers, data);\n\n  // the first `update` will call `onCreate` callback\n  // the other ones will call `onUpdate` callback\n  if (!this.state.isCreated) {\n    this.state.isCreated = true;\n    this.options.onCreate(data);\n  } else {\n    this.options.onUpdate(data);\n  }\n}\n\n/**\n * Helper used to know if the given modifier is enabled.\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean}\n */\nfunction isModifierEnabled(modifiers, modifierName) {\n  return modifiers.some(function (_ref) {\n    var name = _ref.name,\n        enabled = _ref.enabled;\n    return enabled && name === modifierName;\n  });\n}\n\n/**\n * Get the prefixed supported property name\n * @method\n * @memberof Popper.Utils\n * @argument {String} property (camelCase)\n * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)\n */\nfunction getSupportedPropertyName(property) {\n  var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];\n  var upperProp = property.charAt(0).toUpperCase() + property.slice(1);\n\n  for (var i = 0; i < prefixes.length - 1; i++) {\n    var prefix = prefixes[i];\n    var toCheck = prefix ? '' + prefix + upperProp : property;\n    if (typeof window.document.body.style[toCheck] !== 'undefined') {\n      return toCheck;\n    }\n  }\n  return null;\n}\n\n/**\n * Destroy the popper\n * @method\n * @memberof Popper\n */\nfunction destroy() {\n  this.state.isDestroyed = true;\n\n  // touch DOM only if `applyStyle` modifier is enabled\n  if (isModifierEnabled(this.modifiers, 'applyStyle')) {\n    this.popper.removeAttribute('x-placement');\n    this.popper.style.left = '';\n    this.popper.style.position = '';\n    this.popper.style.top = '';\n    this.popper.style[getSupportedPropertyName('transform')] = '';\n  }\n\n  this.disableEventListeners();\n\n  // remove the popper if user explicity asked for the deletion on destroy\n  // do not use `remove` because IE11 doesn't support it\n  if (this.options.removeOnDestroy) {\n    this.popper.parentNode.removeChild(this.popper);\n  }\n  return this;\n}\n\n/**\n * Get the window associated with the element\n * @argument {Element} element\n * @returns {Window}\n */\nfunction getWindow(element) {\n  var ownerDocument = element.ownerDocument;\n  return ownerDocument ? ownerDocument.defaultView : window;\n}\n\nfunction attachToScrollParents(scrollParent, event, callback, scrollParents) {\n  var isBody = scrollParent.nodeName === 'BODY';\n  var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;\n  target.addEventListener(event, callback, { passive: true });\n\n  if (!isBody) {\n    attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);\n  }\n  scrollParents.push(target);\n}\n\n/**\n * Setup needed event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction setupEventListeners(reference, options, state, updateBound) {\n  // Resize event listener on window\n  state.updateBound = updateBound;\n  getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });\n\n  // Scroll event listener on scroll parents\n  var scrollElement = getScrollParent(reference);\n  attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);\n  state.scrollElement = scrollElement;\n  state.eventsEnabled = true;\n\n  return state;\n}\n\n/**\n * It will add resize/scroll events and start recalculating\n * position of the popper element when they are triggered.\n * @method\n * @memberof Popper\n */\nfunction enableEventListeners() {\n  if (!this.state.eventsEnabled) {\n    this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);\n  }\n}\n\n/**\n * Remove event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction removeEventListeners(reference, state) {\n  // Remove resize event listener on window\n  getWindow(reference).removeEventListener('resize', state.updateBound);\n\n  // Remove scroll event listener on scroll parents\n  state.scrollParents.forEach(function (target) {\n    target.removeEventListener('scroll', state.updateBound);\n  });\n\n  // Reset state\n  state.updateBound = null;\n  state.scrollParents = [];\n  state.scrollElement = null;\n  state.eventsEnabled = false;\n  return state;\n}\n\n/**\n * It will remove resize/scroll events and won't recalculate popper position\n * when they are triggered. It also won't trigger onUpdate callback anymore,\n * unless you call `update` method manually.\n * @method\n * @memberof Popper\n */\nfunction disableEventListeners() {\n  if (this.state.eventsEnabled) {\n    window.cancelAnimationFrame(this.scheduleUpdate);\n    this.state = removeEventListeners(this.reference, this.state);\n  }\n}\n\n/**\n * Tells if a given input is a number\n * @method\n * @memberof Popper.Utils\n * @param {*} input to check\n * @return {Boolean}\n */\nfunction isNumeric(n) {\n  return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);\n}\n\n/**\n * Set the style to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the style to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setStyles(element, styles) {\n  Object.keys(styles).forEach(function (prop) {\n    var unit = '';\n    // add unit if the value is numeric and is one of the following\n    if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {\n      unit = 'px';\n    }\n    element.style[prop] = styles[prop] + unit;\n  });\n}\n\n/**\n * Set the attributes to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the attributes to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setAttributes(element, attributes) {\n  Object.keys(attributes).forEach(function (prop) {\n    var value = attributes[prop];\n    if (value !== false) {\n      element.setAttribute(prop, attributes[prop]);\n    } else {\n      element.removeAttribute(prop);\n    }\n  });\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} data.styles - List of style properties - values to apply to popper element\n * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The same data object\n */\nfunction applyStyle(data) {\n  // any property present in `data.styles` will be applied to the popper,\n  // in this way we can make the 3rd party modifiers add custom styles to it\n  // Be aware, modifiers could override the properties defined in the previous\n  // lines of this modifier!\n  setStyles(data.instance.popper, data.styles);\n\n  // any property present in `data.attributes` will be applied to the popper,\n  // they will be set as HTML attributes of the element\n  setAttributes(data.instance.popper, data.attributes);\n\n  // if arrowElement is defined and arrowStyles has some properties\n  if (data.arrowElement && Object.keys(data.arrowStyles).length) {\n    setStyles(data.arrowElement, data.arrowStyles);\n  }\n\n  return data;\n}\n\n/**\n * Set the x-placement attribute before everything else because it could be used\n * to add margins to the popper margins needs to be calculated to get the\n * correct popper offsets.\n * @method\n * @memberof Popper.modifiers\n * @param {HTMLElement} reference - The reference element used to position the popper\n * @param {HTMLElement} popper - The HTML element used as popper.\n * @param {Object} options - Popper.js options\n */\nfunction applyStyleOnLoad(reference, popper, options, modifierOptions, state) {\n  // compute reference element offsets\n  var referenceOffsets = getReferenceOffsets(state, popper, reference);\n\n  // compute auto placement, store placement inside the data object,\n  // modifiers will be able to edit `placement` if needed\n  // and refer to originalPlacement to know the original value\n  var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);\n\n  popper.setAttribute('x-placement', placement);\n\n  // Apply `position` to popper before anything else because\n  // without the position applied we can't guarantee correct computations\n  setStyles(popper, { position: 'absolute' });\n\n  return options;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeStyle(data, options) {\n  var x = options.x,\n      y = options.y;\n  var popper = data.offsets.popper;\n\n  // Remove this legacy support in Popper.js v2\n\n  var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {\n    return modifier.name === 'applyStyle';\n  }).gpuAcceleration;\n  if (legacyGpuAccelerationOption !== undefined) {\n    console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');\n  }\n  var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;\n\n  var offsetParent = getOffsetParent(data.instance.popper);\n  var offsetParentRect = getBoundingClientRect(offsetParent);\n\n  // Styles\n  var styles = {\n    position: popper.position\n  };\n\n  // floor sides to avoid blurry text\n  var offsets = {\n    left: Math.floor(popper.left),\n    top: Math.floor(popper.top),\n    bottom: Math.floor(popper.bottom),\n    right: Math.floor(popper.right)\n  };\n\n  var sideA = x === 'bottom' ? 'top' : 'bottom';\n  var sideB = y === 'right' ? 'left' : 'right';\n\n  // if gpuAcceleration is set to `true` and transform is supported,\n  //  we use `translate3d` to apply the position to the popper we\n  // automatically use the supported prefixed version if needed\n  var prefixedProperty = getSupportedPropertyName('transform');\n\n  // now, let's make a step back and look at this code closely (wtf?)\n  // If the content of the popper grows once it's been positioned, it\n  // may happen that the popper gets misplaced because of the new content\n  // overflowing its reference element\n  // To avoid this problem, we provide two options (x and y), which allow\n  // the consumer to define the offset origin.\n  // If we position a popper on top of a reference element, we can set\n  // `x` to `top` to make the popper grow towards its top instead of\n  // its bottom.\n  var left = void 0,\n      top = void 0;\n  if (sideA === 'bottom') {\n    top = -offsetParentRect.height + offsets.bottom;\n  } else {\n    top = offsets.top;\n  }\n  if (sideB === 'right') {\n    left = -offsetParentRect.width + offsets.right;\n  } else {\n    left = offsets.left;\n  }\n  if (gpuAcceleration && prefixedProperty) {\n    styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';\n    styles[sideA] = 0;\n    styles[sideB] = 0;\n    styles.willChange = 'transform';\n  } else {\n    // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties\n    var invertTop = sideA === 'bottom' ? -1 : 1;\n    var invertLeft = sideB === 'right' ? -1 : 1;\n    styles[sideA] = top * invertTop;\n    styles[sideB] = left * invertLeft;\n    styles.willChange = sideA + ', ' + sideB;\n  }\n\n  // Attributes\n  var attributes = {\n    'x-placement': data.placement\n  };\n\n  // Update `data` attributes, styles and arrowStyles\n  data.attributes = _extends({}, attributes, data.attributes);\n  data.styles = _extends({}, styles, data.styles);\n  data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);\n\n  return data;\n}\n\n/**\n * Helper used to know if the given modifier depends from another one.<br />\n * It checks if the needed modifier is listed and enabled.\n * @method\n * @memberof Popper.Utils\n * @param {Array} modifiers - list of modifiers\n * @param {String} requestingName - name of requesting modifier\n * @param {String} requestedName - name of requested modifier\n * @returns {Boolean}\n */\nfunction isModifierRequired(modifiers, requestingName, requestedName) {\n  var requesting = find(modifiers, function (_ref) {\n    var name = _ref.name;\n    return name === requestingName;\n  });\n\n  var isRequired = !!requesting && modifiers.some(function (modifier) {\n    return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;\n  });\n\n  if (!isRequired) {\n    var _requesting = '`' + requestingName + '`';\n    var requested = '`' + requestedName + '`';\n    console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');\n  }\n  return isRequired;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction arrow(data, options) {\n  // arrow depends on keepTogether in order to work\n  if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {\n    return data;\n  }\n\n  var arrowElement = options.element;\n\n  // if arrowElement is a string, suppose it's a CSS selector\n  if (typeof arrowElement === 'string') {\n    arrowElement = data.instance.popper.querySelector(arrowElement);\n\n    // if arrowElement is not found, don't run the modifier\n    if (!arrowElement) {\n      return data;\n    }\n  } else {\n    // if the arrowElement isn't a query selector we must check that the\n    // provided DOM node is child of its popper node\n    if (!data.instance.popper.contains(arrowElement)) {\n      console.warn('WARNING: `arrow.element` must be child of its popper element!');\n      return data;\n    }\n  }\n\n  var placement = data.placement.split('-')[0];\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var isVertical = ['left', 'right'].indexOf(placement) !== -1;\n\n  var len = isVertical ? 'height' : 'width';\n  var sideCapitalized = isVertical ? 'Top' : 'Left';\n  var side = sideCapitalized.toLowerCase();\n  var altSide = isVertical ? 'left' : 'top';\n  var opSide = isVertical ? 'bottom' : 'right';\n  var arrowElementSize = getOuterSizes(arrowElement)[len];\n\n  //\n  // extends keepTogether behavior making sure the popper and its\n  // reference have enough pixels in conjuction\n  //\n\n  // top/left side\n  if (reference[opSide] - arrowElementSize < popper[side]) {\n    data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);\n  }\n  // bottom/right side\n  if (reference[side] + arrowElementSize > popper[opSide]) {\n    data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];\n  }\n\n  // compute center of the popper\n  var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;\n\n  // Compute the sideValue using the updated popper offsets\n  // take popper margin in account because we don't have this info available\n  var popperMarginSide = getStyleComputedProperty(data.instance.popper, 'margin' + sideCapitalized).replace('px', '');\n  var sideValue = center - getClientRect(data.offsets.popper)[side] - popperMarginSide;\n\n  // prevent arrowElement from being placed not contiguously to its popper\n  sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);\n\n  data.arrowElement = arrowElement;\n  data.offsets.arrow = {};\n  data.offsets.arrow[side] = Math.round(sideValue);\n  data.offsets.arrow[altSide] = ''; // make sure to unset any eventual altSide value from the DOM node\n\n  return data;\n}\n\n/**\n * Get the opposite placement variation of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement variation\n * @returns {String} flipped placement variation\n */\nfunction getOppositeVariation(variation) {\n  if (variation === 'end') {\n    return 'start';\n  } else if (variation === 'start') {\n    return 'end';\n  }\n  return variation;\n}\n\n/**\n * List of accepted placements to use as values of the `placement` option.<br />\n * Valid placements are:\n * - `auto`\n * - `top`\n * - `right`\n * - `bottom`\n * - `left`\n *\n * Each placement can have a variation from this list:\n * - `-start`\n * - `-end`\n *\n * Variations are interpreted easily if you think of them as the left to right\n * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`\n * is right.<br />\n * Vertically (`left` and `right`), `start` is top and `end` is bottom.\n *\n * Some valid examples are:\n * - `top-end` (on top of reference, right aligned)\n * - `right-start` (on right of reference, top aligned)\n * - `bottom` (on bottom, centered)\n * - `auto-right` (on the side with more space available, alignment depends by placement)\n *\n * @static\n * @type {Array}\n * @enum {String}\n * @readonly\n * @method placements\n * @memberof Popper\n */\nvar placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];\n\n// Get rid of `auto` `auto-start` and `auto-end`\nvar validPlacements = placements.slice(3);\n\n/**\n * Given an initial placement, returns all the subsequent placements\n * clockwise (or counter-clockwise).\n *\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement - A valid placement (it accepts variations)\n * @argument {Boolean} counter - Set to true to walk the placements counterclockwise\n * @returns {Array} placements including their variations\n */\nfunction clockwise(placement) {\n  var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n  var index = validPlacements.indexOf(placement);\n  var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));\n  return counter ? arr.reverse() : arr;\n}\n\nvar BEHAVIORS = {\n  FLIP: 'flip',\n  CLOCKWISE: 'clockwise',\n  COUNTERCLOCKWISE: 'counterclockwise'\n};\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction flip(data, options) {\n  // if `inner` modifier is enabled, we can't use the `flip` modifier\n  if (isModifierEnabled(data.instance.modifiers, 'inner')) {\n    return data;\n  }\n\n  if (data.flipped && data.placement === data.originalPlacement) {\n    // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides\n    return data;\n  }\n\n  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement);\n\n  var placement = data.placement.split('-')[0];\n  var placementOpposite = getOppositePlacement(placement);\n  var variation = data.placement.split('-')[1] || '';\n\n  var flipOrder = [];\n\n  switch (options.behavior) {\n    case BEHAVIORS.FLIP:\n      flipOrder = [placement, placementOpposite];\n      break;\n    case BEHAVIORS.CLOCKWISE:\n      flipOrder = clockwise(placement);\n      break;\n    case BEHAVIORS.COUNTERCLOCKWISE:\n      flipOrder = clockwise(placement, true);\n      break;\n    default:\n      flipOrder = options.behavior;\n  }\n\n  flipOrder.forEach(function (step, index) {\n    if (placement !== step || flipOrder.length === index + 1) {\n      return data;\n    }\n\n    placement = data.placement.split('-')[0];\n    placementOpposite = getOppositePlacement(placement);\n\n    var popperOffsets = data.offsets.popper;\n    var refOffsets = data.offsets.reference;\n\n    // using floor because the reference offsets may contain decimals we are not going to consider here\n    var floor = Math.floor;\n    var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);\n\n    var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);\n    var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);\n    var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);\n    var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);\n\n    var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;\n\n    // flip the variation if required\n    var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n    var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);\n\n    if (overlapsRef || overflowsBoundaries || flippedVariation) {\n      // this boolean to detect any flip loop\n      data.flipped = true;\n\n      if (overlapsRef || overflowsBoundaries) {\n        placement = flipOrder[index + 1];\n      }\n\n      if (flippedVariation) {\n        variation = getOppositeVariation(variation);\n      }\n\n      data.placement = placement + (variation ? '-' + variation : '');\n\n      // this object contains `position`, we want to preserve it along with\n      // any additional property we may add in the future\n      data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));\n\n      data = runModifiers(data.instance.modifiers, data, 'flip');\n    }\n  });\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction keepTogether(data) {\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var placement = data.placement.split('-')[0];\n  var floor = Math.floor;\n  var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n  var side = isVertical ? 'right' : 'bottom';\n  var opSide = isVertical ? 'left' : 'top';\n  var measurement = isVertical ? 'width' : 'height';\n\n  if (popper[side] < floor(reference[opSide])) {\n    data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];\n  }\n  if (popper[opSide] > floor(reference[side])) {\n    data.offsets.popper[opSide] = floor(reference[side]);\n  }\n\n  return data;\n}\n\n/**\n * Converts a string containing value + unit into a px value number\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} str - Value + unit string\n * @argument {String} measurement - `height` or `width`\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @returns {Number|String}\n * Value in pixels, or original string if no values were extracted\n */\nfunction toValue(str, measurement, popperOffsets, referenceOffsets) {\n  // separate value from unit\n  var split = str.match(/((?:\\-|\\+)?\\d*\\.?\\d*)(.*)/);\n  var value = +split[1];\n  var unit = split[2];\n\n  // If it's not a number it's an operator, I guess\n  if (!value) {\n    return str;\n  }\n\n  if (unit.indexOf('%') === 0) {\n    var element = void 0;\n    switch (unit) {\n      case '%p':\n        element = popperOffsets;\n        break;\n      case '%':\n      case '%r':\n      default:\n        element = referenceOffsets;\n    }\n\n    var rect = getClientRect(element);\n    return rect[measurement] / 100 * value;\n  } else if (unit === 'vh' || unit === 'vw') {\n    // if is a vh or vw, we calculate the size based on the viewport\n    var size = void 0;\n    if (unit === 'vh') {\n      size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);\n    } else {\n      size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);\n    }\n    return size / 100 * value;\n  } else {\n    // if is an explicit pixel unit, we get rid of the unit and keep the value\n    // if is an implicit unit, it's px, and we return just the value\n    return value;\n  }\n}\n\n/**\n * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} offset\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @argument {String} basePlacement\n * @returns {Array} a two cells array with x and y offsets in numbers\n */\nfunction parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {\n  var offsets = [0, 0];\n\n  // Use height if placement is left or right and index is 0 otherwise use width\n  // in this way the first offset will use an axis and the second one\n  // will use the other one\n  var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;\n\n  // Split the offset string to obtain a list of values and operands\n  // The regex addresses values with the plus or minus sign in front (+10, -20, etc)\n  var fragments = offset.split(/(\\+|\\-)/).map(function (frag) {\n    return frag.trim();\n  });\n\n  // Detect if the offset string contains a pair of values or a single one\n  // they could be separated by comma or space\n  var divider = fragments.indexOf(find(fragments, function (frag) {\n    return frag.search(/,|\\s/) !== -1;\n  }));\n\n  if (fragments[divider] && fragments[divider].indexOf(',') === -1) {\n    console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');\n  }\n\n  // If divider is found, we divide the list of values and operands to divide\n  // them by ofset X and Y.\n  var splitRegex = /\\s*,\\s*|\\s+/;\n  var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];\n\n  // Convert the values with units to absolute pixels to allow our computations\n  ops = ops.map(function (op, index) {\n    // Most of the units rely on the orientation of the popper\n    var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';\n    var mergeWithPrevious = false;\n    return op\n    // This aggregates any `+` or `-` sign that aren't considered operators\n    // e.g.: 10 + +5 => [10, +, +5]\n    .reduce(function (a, b) {\n      if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {\n        a[a.length - 1] = b;\n        mergeWithPrevious = true;\n        return a;\n      } else if (mergeWithPrevious) {\n        a[a.length - 1] += b;\n        mergeWithPrevious = false;\n        return a;\n      } else {\n        return a.concat(b);\n      }\n    }, [])\n    // Here we convert the string values into number values (in px)\n    .map(function (str) {\n      return toValue(str, measurement, popperOffsets, referenceOffsets);\n    });\n  });\n\n  // Loop trough the offsets arrays and execute the operations\n  ops.forEach(function (op, index) {\n    op.forEach(function (frag, index2) {\n      if (isNumeric(frag)) {\n        offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);\n      }\n    });\n  });\n  return offsets;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @argument {Number|String} options.offset=0\n * The offset value as described in the modifier description\n * @returns {Object} The data object, properly modified\n */\nfunction offset(data, _ref) {\n  var offset = _ref.offset;\n  var placement = data.placement,\n      _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var basePlacement = placement.split('-')[0];\n\n  var offsets = void 0;\n  if (isNumeric(+offset)) {\n    offsets = [+offset, 0];\n  } else {\n    offsets = parseOffset(offset, popper, reference, basePlacement);\n  }\n\n  if (basePlacement === 'left') {\n    popper.top += offsets[0];\n    popper.left -= offsets[1];\n  } else if (basePlacement === 'right') {\n    popper.top += offsets[0];\n    popper.left += offsets[1];\n  } else if (basePlacement === 'top') {\n    popper.left += offsets[0];\n    popper.top -= offsets[1];\n  } else if (basePlacement === 'bottom') {\n    popper.left += offsets[0];\n    popper.top += offsets[1];\n  }\n\n  data.popper = popper;\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction preventOverflow(data, options) {\n  var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);\n\n  // If offsetParent is the reference element, we really want to\n  // go one step up and use the next offsetParent as reference to\n  // avoid to make this modifier completely useless and look like broken\n  if (data.instance.reference === boundariesElement) {\n    boundariesElement = getOffsetParent(boundariesElement);\n  }\n\n  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement);\n  options.boundaries = boundaries;\n\n  var order = options.priority;\n  var popper = data.offsets.popper;\n\n  var check = {\n    primary: function primary(placement) {\n      var value = popper[placement];\n      if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {\n        value = Math.max(popper[placement], boundaries[placement]);\n      }\n      return defineProperty({}, placement, value);\n    },\n    secondary: function secondary(placement) {\n      var mainSide = placement === 'right' ? 'left' : 'top';\n      var value = popper[mainSide];\n      if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {\n        value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));\n      }\n      return defineProperty({}, mainSide, value);\n    }\n  };\n\n  order.forEach(function (placement) {\n    var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';\n    popper = _extends({}, popper, check[side](placement));\n  });\n\n  data.offsets.popper = popper;\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction shift(data) {\n  var placement = data.placement;\n  var basePlacement = placement.split('-')[0];\n  var shiftvariation = placement.split('-')[1];\n\n  // if shift shiftvariation is specified, run the modifier\n  if (shiftvariation) {\n    var _data$offsets = data.offsets,\n        reference = _data$offsets.reference,\n        popper = _data$offsets.popper;\n\n    var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;\n    var side = isVertical ? 'left' : 'top';\n    var measurement = isVertical ? 'width' : 'height';\n\n    var shiftOffsets = {\n      start: defineProperty({}, side, reference[side]),\n      end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])\n    };\n\n    data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);\n  }\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction hide(data) {\n  if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {\n    return data;\n  }\n\n  var refRect = data.offsets.reference;\n  var bound = find(data.instance.modifiers, function (modifier) {\n    return modifier.name === 'preventOverflow';\n  }).boundaries;\n\n  if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {\n    // Avoid unnecessary DOM access if visibility hasn't changed\n    if (data.hide === true) {\n      return data;\n    }\n\n    data.hide = true;\n    data.attributes['x-out-of-boundaries'] = '';\n  } else {\n    // Avoid unnecessary DOM access if visibility hasn't changed\n    if (data.hide === false) {\n      return data;\n    }\n\n    data.hide = false;\n    data.attributes['x-out-of-boundaries'] = false;\n  }\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction inner(data) {\n  var placement = data.placement;\n  var basePlacement = placement.split('-')[0];\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;\n\n  var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;\n\n  popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);\n\n  data.placement = getOppositePlacement(placement);\n  data.offsets.popper = getClientRect(popper);\n\n  return data;\n}\n\n/**\n * Modifier function, each modifier can have a function of this type assigned\n * to its `fn` property.<br />\n * These functions will be called on each update, this means that you must\n * make sure they are performant enough to avoid performance bottlenecks.\n *\n * @function ModifierFn\n * @argument {dataObject} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {dataObject} The data object, properly modified\n */\n\n/**\n * Modifiers are plugins used to alter the behavior of your poppers.<br />\n * Popper.js uses a set of 9 modifiers to provide all the basic functionalities\n * needed by the library.\n *\n * Usually you don't want to override the `order`, `fn` and `onLoad` props.\n * All the other properties are configurations that could be tweaked.\n * @namespace modifiers\n */\nvar modifiers = {\n  /**\n   * Modifier used to shift the popper on the start or end of its reference\n   * element.<br />\n   * It will read the variation of the `placement` property.<br />\n   * It can be one either `-end` or `-start`.\n   * @memberof modifiers\n   * @inner\n   */\n  shift: {\n    /** @prop {number} order=100 - Index used to define the order of execution */\n    order: 100,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: shift\n  },\n\n  /**\n   * The `offset` modifier can shift your popper on both its axis.\n   *\n   * It accepts the following units:\n   * - `px` or unitless, interpreted as pixels\n   * - `%` or `%r`, percentage relative to the length of the reference element\n   * - `%p`, percentage relative to the length of the popper element\n   * - `vw`, CSS viewport width unit\n   * - `vh`, CSS viewport height unit\n   *\n   * For length is intended the main axis relative to the placement of the popper.<br />\n   * This means that if the placement is `top` or `bottom`, the length will be the\n   * `width`. In case of `left` or `right`, it will be the height.\n   *\n   * You can provide a single value (as `Number` or `String`), or a pair of values\n   * as `String` divided by a comma or one (or more) white spaces.<br />\n   * The latter is a deprecated method because it leads to confusion and will be\n   * removed in v2.<br />\n   * Additionally, it accepts additions and subtractions between different units.\n   * Note that multiplications and divisions aren't supported.\n   *\n   * Valid examples are:\n   * ```\n   * 10\n   * '10%'\n   * '10, 10'\n   * '10%, 10'\n   * '10 + 10%'\n   * '10 - 5vh + 3%'\n   * '-10px + 5vh, 5px - 6%'\n   * ```\n   * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap\n   * > with their reference element, unfortunately, you will have to disable the `flip` modifier.\n   * > More on this [reading this issue](https://github.com/FezVrasta/popper.js/issues/373)\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  offset: {\n    /** @prop {number} order=200 - Index used to define the order of execution */\n    order: 200,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: offset,\n    /** @prop {Number|String} offset=0\n     * The offset value as described in the modifier description\n     */\n    offset: 0\n  },\n\n  /**\n   * Modifier used to prevent the popper from being positioned outside the boundary.\n   *\n   * An scenario exists where the reference itself is not within the boundaries.<br />\n   * We can say it has \"escaped the boundaries\" — or just \"escaped\".<br />\n   * In this case we need to decide whether the popper should either:\n   *\n   * - detach from the reference and remain \"trapped\" in the boundaries, or\n   * - if it should ignore the boundary and \"escape with its reference\"\n   *\n   * When `escapeWithReference` is set to`true` and reference is completely\n   * outside its boundaries, the popper will overflow (or completely leave)\n   * the boundaries in order to remain attached to the edge of the reference.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  preventOverflow: {\n    /** @prop {number} order=300 - Index used to define the order of execution */\n    order: 300,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: preventOverflow,\n    /**\n     * @prop {Array} [priority=['left','right','top','bottom']]\n     * Popper will try to prevent overflow following these priorities by default,\n     * then, it could overflow on the left and on top of the `boundariesElement`\n     */\n    priority: ['left', 'right', 'top', 'bottom'],\n    /**\n     * @prop {number} padding=5\n     * Amount of pixel used to define a minimum distance between the boundaries\n     * and the popper this makes sure the popper has always a little padding\n     * between the edges of its container\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='scrollParent'\n     * Boundaries used by the modifier, can be `scrollParent`, `window`,\n     * `viewport` or any DOM element.\n     */\n    boundariesElement: 'scrollParent'\n  },\n\n  /**\n   * Modifier used to make sure the reference and its popper stay near eachothers\n   * without leaving any gap between the two. Expecially useful when the arrow is\n   * enabled and you want to assure it to point to its reference element.\n   * It cares only about the first axis, you can still have poppers with margin\n   * between the popper and its reference element.\n   * @memberof modifiers\n   * @inner\n   */\n  keepTogether: {\n    /** @prop {number} order=400 - Index used to define the order of execution */\n    order: 400,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: keepTogether\n  },\n\n  /**\n   * This modifier is used to move the `arrowElement` of the popper to make\n   * sure it is positioned between the reference element and its popper element.\n   * It will read the outer size of the `arrowElement` node to detect how many\n   * pixels of conjuction are needed.\n   *\n   * It has no effect if no `arrowElement` is provided.\n   * @memberof modifiers\n   * @inner\n   */\n  arrow: {\n    /** @prop {number} order=500 - Index used to define the order of execution */\n    order: 500,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: arrow,\n    /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */\n    element: '[x-arrow]'\n  },\n\n  /**\n   * Modifier used to flip the popper's placement when it starts to overlap its\n   * reference element.\n   *\n   * Requires the `preventOverflow` modifier before it in order to work.\n   *\n   * **NOTE:** this modifier will interrupt the current update cycle and will\n   * restart it if it detects the need to flip the placement.\n   * @memberof modifiers\n   * @inner\n   */\n  flip: {\n    /** @prop {number} order=600 - Index used to define the order of execution */\n    order: 600,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: flip,\n    /**\n     * @prop {String|Array} behavior='flip'\n     * The behavior used to change the popper's placement. It can be one of\n     * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid\n     * placements (with optional variations).\n     */\n    behavior: 'flip',\n    /**\n     * @prop {number} padding=5\n     * The popper will flip if it hits the edges of the `boundariesElement`\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='viewport'\n     * The element which will define the boundaries of the popper position,\n     * the popper will never be placed outside of the defined boundaries\n     * (except if keepTogether is enabled)\n     */\n    boundariesElement: 'viewport'\n  },\n\n  /**\n   * Modifier used to make the popper flow toward the inner of the reference element.\n   * By default, when this modifier is disabled, the popper will be placed outside\n   * the reference element.\n   * @memberof modifiers\n   * @inner\n   */\n  inner: {\n    /** @prop {number} order=700 - Index used to define the order of execution */\n    order: 700,\n    /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */\n    enabled: false,\n    /** @prop {ModifierFn} */\n    fn: inner\n  },\n\n  /**\n   * Modifier used to hide the popper when its reference element is outside of the\n   * popper boundaries. It will set a `x-out-of-boundaries` attribute which can\n   * be used to hide with a CSS selector the popper when its reference is\n   * out of boundaries.\n   *\n   * Requires the `preventOverflow` modifier before it in order to work.\n   * @memberof modifiers\n   * @inner\n   */\n  hide: {\n    /** @prop {number} order=800 - Index used to define the order of execution */\n    order: 800,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: hide\n  },\n\n  /**\n   * Computes the style that will be applied to the popper element to gets\n   * properly positioned.\n   *\n   * Note that this modifier will not touch the DOM, it just prepares the styles\n   * so that `applyStyle` modifier can apply it. This separation is useful\n   * in case you need to replace `applyStyle` with a custom implementation.\n   *\n   * This modifier has `850` as `order` value to maintain backward compatibility\n   * with previous versions of Popper.js. Expect the modifiers ordering method\n   * to change in future major versions of the library.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  computeStyle: {\n    /** @prop {number} order=850 - Index used to define the order of execution */\n    order: 850,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: computeStyle,\n    /**\n     * @prop {Boolean} gpuAcceleration=true\n     * If true, it uses the CSS 3d transformation to position the popper.\n     * Otherwise, it will use the `top` and `left` properties.\n     */\n    gpuAcceleration: true,\n    /**\n     * @prop {string} [x='bottom']\n     * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.\n     * Change this if your popper should grow in a direction different from `bottom`\n     */\n    x: 'bottom',\n    /**\n     * @prop {string} [x='left']\n     * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.\n     * Change this if your popper should grow in a direction different from `right`\n     */\n    y: 'right'\n  },\n\n  /**\n   * Applies the computed styles to the popper element.\n   *\n   * All the DOM manipulations are limited to this modifier. This is useful in case\n   * you want to integrate Popper.js inside a framework or view library and you\n   * want to delegate all the DOM manipulations to it.\n   *\n   * Note that if you disable this modifier, you must make sure the popper element\n   * has its position set to `absolute` before Popper.js can do its work!\n   *\n   * Just disable this modifier and define you own to achieve the desired effect.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  applyStyle: {\n    /** @prop {number} order=900 - Index used to define the order of execution */\n    order: 900,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: applyStyle,\n    /** @prop {Function} */\n    onLoad: applyStyleOnLoad,\n    /**\n     * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier\n     * @prop {Boolean} gpuAcceleration=true\n     * If true, it uses the CSS 3d transformation to position the popper.\n     * Otherwise, it will use the `top` and `left` properties.\n     */\n    gpuAcceleration: undefined\n  }\n};\n\n/**\n * The `dataObject` is an object containing all the informations used by Popper.js\n * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks.\n * @name dataObject\n * @property {Object} data.instance The Popper.js instance\n * @property {String} data.placement Placement applied to popper\n * @property {String} data.originalPlacement Placement originally defined on init\n * @property {Boolean} data.flipped True if popper has been flipped by flip modifier\n * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper.\n * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier\n * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.boundaries Offsets of the popper boundaries\n * @property {Object} data.offsets The measurements of popper, reference and arrow elements.\n * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0\n */\n\n/**\n * Default options provided to Popper.js constructor.<br />\n * These can be overriden using the `options` argument of Popper.js.<br />\n * To override an option, simply pass as 3rd argument an object with the same\n * structure of this object, example:\n * ```\n * new Popper(ref, pop, {\n *   modifiers: {\n *     preventOverflow: { enabled: false }\n *   }\n * })\n * ```\n * @type {Object}\n * @static\n * @memberof Popper\n */\nvar Defaults = {\n  /**\n   * Popper's placement\n   * @prop {Popper.placements} placement='bottom'\n   */\n  placement: 'bottom',\n\n  /**\n   * Whether events (resize, scroll) are initially enabled\n   * @prop {Boolean} eventsEnabled=true\n   */\n  eventsEnabled: true,\n\n  /**\n   * Set to true if you want to automatically remove the popper when\n   * you call the `destroy` method.\n   * @prop {Boolean} removeOnDestroy=false\n   */\n  removeOnDestroy: false,\n\n  /**\n   * Callback called when the popper is created.<br />\n   * By default, is set to no-op.<br />\n   * Access Popper.js instance with `data.instance`.\n   * @prop {onCreate}\n   */\n  onCreate: function onCreate() {},\n\n  /**\n   * Callback called when the popper is updated, this callback is not called\n   * on the initialization/creation of the popper, but only on subsequent\n   * updates.<br />\n   * By default, is set to no-op.<br />\n   * Access Popper.js instance with `data.instance`.\n   * @prop {onUpdate}\n   */\n  onUpdate: function onUpdate() {},\n\n  /**\n   * List of modifiers used to modify the offsets before they are applied to the popper.\n   * They provide most of the functionalities of Popper.js\n   * @prop {modifiers}\n   */\n  modifiers: modifiers\n};\n\n/**\n * @callback onCreate\n * @param {dataObject} data\n */\n\n/**\n * @callback onUpdate\n * @param {dataObject} data\n */\n\n// Utils\n// Methods\nvar Popper = function () {\n  /**\n   * Create a new Popper.js instance\n   * @class Popper\n   * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper\n   * @param {HTMLElement} popper - The HTML element used as popper.\n   * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)\n   * @return {Object} instance - The generated Popper.js instance\n   */\n  function Popper(reference, popper) {\n    var _this = this;\n\n    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n    classCallCheck(this, Popper);\n\n    this.scheduleUpdate = function () {\n      return requestAnimationFrame(_this.update);\n    };\n\n    // make update() debounced, so that it only runs at most once-per-tick\n    this.update = debounce(this.update.bind(this));\n\n    // with {} we create a new object with the options inside it\n    this.options = _extends({}, Popper.Defaults, options);\n\n    // init state\n    this.state = {\n      isDestroyed: false,\n      isCreated: false,\n      scrollParents: []\n    };\n\n    // get reference and popper elements (allow jQuery wrappers)\n    this.reference = reference && reference.jquery ? reference[0] : reference;\n    this.popper = popper && popper.jquery ? popper[0] : popper;\n\n    // Deep merge modifiers options\n    this.options.modifiers = {};\n    Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {\n      _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});\n    });\n\n    // Refactoring modifiers' list (Object => Array)\n    this.modifiers = Object.keys(this.options.modifiers).map(function (name) {\n      return _extends({\n        name: name\n      }, _this.options.modifiers[name]);\n    })\n    // sort the modifiers by order\n    .sort(function (a, b) {\n      return a.order - b.order;\n    });\n\n    // modifiers have the ability to execute arbitrary code when Popper.js get inited\n    // such code is executed in the same order of its modifier\n    // they could add new properties to their options configuration\n    // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!\n    this.modifiers.forEach(function (modifierOptions) {\n      if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {\n        modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);\n      }\n    });\n\n    // fire the first update to position the popper in the right place\n    this.update();\n\n    var eventsEnabled = this.options.eventsEnabled;\n    if (eventsEnabled) {\n      // setup event listeners, they will take care of update the position in specific situations\n      this.enableEventListeners();\n    }\n\n    this.state.eventsEnabled = eventsEnabled;\n  }\n\n  // We can't use class properties because they don't get listed in the\n  // class prototype and break stuff like Sinon stubs\n\n\n  createClass(Popper, [{\n    key: 'update',\n    value: function update$$1() {\n      return update.call(this);\n    }\n  }, {\n    key: 'destroy',\n    value: function destroy$$1() {\n      return destroy.call(this);\n    }\n  }, {\n    key: 'enableEventListeners',\n    value: function enableEventListeners$$1() {\n      return enableEventListeners.call(this);\n    }\n  }, {\n    key: 'disableEventListeners',\n    value: function disableEventListeners$$1() {\n      return disableEventListeners.call(this);\n    }\n\n    /**\n     * Schedule an update, it will run on the next UI update available\n     * @method scheduleUpdate\n     * @memberof Popper\n     */\n\n\n    /**\n     * Collection of utilities useful when writing custom modifiers.\n     * Starting from version 1.7, this method is available only if you\n     * include `popper-utils.js` before `popper.js`.\n     *\n     * **DEPRECATION**: This way to access PopperUtils is deprecated\n     * and will be removed in v2! Use the PopperUtils module directly instead.\n     * Due to the high instability of the methods contained in Utils, we can't\n     * guarantee them to follow semver. Use them at your own risk!\n     * @static\n     * @private\n     * @type {Object}\n     * @deprecated since version 1.8\n     * @member Utils\n     * @memberof Popper\n     */\n\n  }]);\n  return Popper;\n}();\n\n/**\n * The `referenceObject` is an object that provides an interface compatible with Popper.js\n * and lets you use it as replacement of a real DOM node.<br />\n * You can use this method to position a popper relatively to a set of coordinates\n * in case you don't have a DOM node to use as reference.\n *\n * ```\n * new Popper(referenceObject, popperNode);\n * ```\n *\n * NB: This feature isn't supported in Internet Explorer 10\n * @name referenceObject\n * @property {Function} data.getBoundingClientRect\n * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.\n * @property {number} data.clientWidth\n * An ES6 getter that will return the width of the virtual reference element.\n * @property {number} data.clientHeight\n * An ES6 getter that will return the height of the virtual reference element.\n */\n\n\nPopper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;\nPopper.placements = placements;\nPopper.Defaults = Defaults;\n\nreturn Popper;\n\n})));\n//# sourceMappingURL=popper.js.map\n"],"file":"popper.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/prefetch.min.js b/lib/amd/build/prefetch.min.js
index 95f70ab1cf8..c0945c238f8 100644
--- a/lib/amd/build/prefetch.min.js
+++ b/lib/amd/build/prefetch.min.js
@@ -1,2 +1,2 @@
-define ("core/prefetch",["exports","core/config"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var i="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function c(a){return g(a)||f(a)||e(a)||d()}function d(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function e(a,b){if(!a)return;if("string"==typeof a)return h(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);if("Object"===c&&a.constructor)c=a.constructor.name;if("Map"===c||"Set"===c)return Array.from(c);if("Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c))return h(a,b)}function f(a){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(a))return Array.from(a)}function g(a){if(Array.isArray(a))return h(a)}function h(a,b){if(null==b||b>a.length)b=a.length;for(var c=0,d=Array(b);c<b;c++){d[c]=a[c]}return d}var j=!1,k=[],l={},m,n=function(){if(k){var d=k.slice();k=[];("function"==typeof i.define&&i.define.amd?new Promise(function(a,b){i.require(["core/templates"],a,b)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&i.require&&"component"===i.require.loader?Promise.resolve(require(("core/templates"))):Promise.resolve(i["core/templates"])).then(function(a){return a.prefetchTemplates(d)}).catch()}var a=l;l={};var b=[];Object.keys(a).forEach(function(d){b.push.apply(b,c(a[d].map(function(a){return{component:d,key:a}})))});("function"==typeof i.define&&i.define.amd?new Promise(function(a,b){i.require(["core/str"],a,b)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&i.require&&"component"===i.require.loader?Promise.resolve(require(("core/str"))):Promise.resolve(i["core/str"])).then(function(a){return a.get_strings(b)}).catch()},o=function(){if(m){return}if(j){n();return}m=setTimeout(function(){j=!0;m=null;("function"==typeof i.define&&i.define.amd?new Promise(function(a,c){i.require([b.default.iconsystemmodule],a,c)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&i.require&&"component"===i.require.loader?Promise.resolve(require((b.default.iconsystemmodule))):Promise.resolve(i[b.default.iconsystemmodule])).then(function(a){var b=new a;q(b.getTemplateName());return b}).then(function(a){n();a.init()}).catch()},500)},p=function(a){k=k.concat(a);o()},q=function(a){return p([a])},r=function(a,b){if(!l[a]){l[a]=[]}l[a]=l[a].concat(b);o()},s=function(a,b){if(!l[a]){l[a]=[]}l[a].push(b);o()};p([].concat(["core/loading"],["core/modal"],["core/modal_backdrop"]));r("core",["cancel","closebuttontitle","loading","savechanges"]);r("core_form",["showless","showmore"]);a.default={prefetchTemplate:q,prefetchTemplates:p,prefetchString:s,prefetchStrings:r};return a.default});
+define ("core/prefetch",["exports","core/config"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function d(a){return h(a)||g(a)||f(a)||e()}function e(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function f(a,b){if(!a)return;if("string"==typeof a)return i(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);if("Object"===c&&a.constructor)c=a.constructor.name;if("Map"===c||"Set"===c)return Array.from(a);if("Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c))return i(a,b)}function g(a){if("undefined"!=typeof Symbol&&null!=a[Symbol.iterator]||null!=a["@@iterator"])return Array.from(a)}function h(a){if(Array.isArray(a))return i(a)}function i(a,b){if(null==b||b>a.length)b=a.length;for(var c=0,d=Array(b);c<b;c++){d[c]=a[c]}return d}var j=!1,k=[],l={},m,n=function(){if(k){var e=k.slice();k=[];("function"==typeof c.define&&c.define.amd?new Promise(function(a,b){c.require(["core/templates"],a,b)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&c.require&&"component"===c.require.loader?Promise.resolve(require(("core/templates"))):Promise.resolve(c["core/templates"])).then(function(a){return a.prefetchTemplates(e)}).catch()}var a=l;l={};var b=[];Object.keys(a).forEach(function(c){b.push.apply(b,d(a[c].map(function(a){return{component:c,key:a}})))});("function"==typeof c.define&&c.define.amd?new Promise(function(a,b){c.require(["core/str"],a,b)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&c.require&&"component"===c.require.loader?Promise.resolve(require(("core/str"))):Promise.resolve(c["core/str"])).then(function(a){return a.get_strings(b)}).catch()},o=function(){if(m){return}if(j){n();return}m=setTimeout(function(){j=!0;m=null;("function"==typeof c.define&&c.define.amd?new Promise(function(a,d){c.require([b.default.iconsystemmodule],a,d)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&c.require&&"component"===c.require.loader?Promise.resolve(require((b.default.iconsystemmodule))):Promise.resolve(c[b.default.iconsystemmodule])).then(function(a){var b=new a;q(b.getTemplateName());return b}).then(function(a){n();a.init()}).catch()},500)},p=function(a){k=k.concat(a);o()},q=function(a){return p([a])},r=function(a,b){if(!l[a]){l[a]=[]}l[a]=l[a].concat(b);o()},s=function(a,b){if(!l[a]){l[a]=[]}l[a].push(b);o()};p([].concat(["core/loading"],["core/modal"],["core/modal_backdrop"]));r("core",["cancel","closebuttontitle","loading","savechanges"]);r("core_form",["showless","showmore"]);a.default={prefetchTemplate:q,prefetchTemplates:p,prefetchString:s,prefetchStrings:r};return a.default});
 //# sourceMappingURL=prefetch.min.js.map
diff --git a/lib/amd/build/prefetch.min.js.map b/lib/amd/build/prefetch.min.js.map
index 060c3c0d308..94051f11b4e 100644
--- a/lib/amd/build/prefetch.min.js.map
+++ b/lib/amd/build/prefetch.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Prefetch module to help lazily load content for use on the current page.\n *\n * @module     core/prefetch\n * @class      prefetch\n * @package    core\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Config from 'core/config';\n\n// Keep track of whether the initial prefetch has occurred.\nlet initialPrefetchComplete = false;\n\n// Prefetch templates.\nlet templateList = [];\n\n// Prefetch strings.\nlet stringList = {};\n\nlet prefetchTimer;\n\n/**\n * Fetch all queued items in the queue.\n *\n * Should only be called via processQueue.\n */\nconst fetchQueue = () => {\n    // Prefetch templates.\n    if (templateList) {\n        const templatesToLoad = templateList.slice();\n        templateList = [];\n        import('core/templates')\n        .then(Templates => Templates.prefetchTemplates(templatesToLoad))\n        .catch();\n    }\n\n    // Prefetch strings.\n    const mappedStringsToFetch = stringList;\n    stringList = {};\n\n    const stringsToFetch = [];\n    Object.keys(mappedStringsToFetch).forEach(component => {\n        stringsToFetch.push(...mappedStringsToFetch[component].map(key => {\n            return {component, key};\n        }));\n    });\n\n    if (stringsToFetch) {\n        import('core/str')\n        .then(Str => Str.get_strings(stringsToFetch))\n        .catch();\n    }\n};\n\n/**\n * Process the prefetch queues as required.\n *\n * The initial call will queue the first fetch after a delay.\n * Subsequent fetches are immediate.\n */\nconst processQueue = () => {\n    if (prefetchTimer) {\n        // There is a live prefetch timer. The initial prefetch has been scheduled but is not complete.\n        return;\n    }\n\n    // The initial prefetch has compelted. Just queue as normal.\n    if (initialPrefetchComplete) {\n        fetchQueue();\n\n        return;\n    }\n\n    // Queue the initial prefetch in a short while.\n    prefetchTimer = setTimeout(() => {\n        initialPrefetchComplete = true;\n        prefetchTimer = null;\n\n        // Ensure that the icon system is loaded.\n        // This can be quite slow and delay UI interactions if it is loaded on demand.\n        import(Config.iconsystemmodule)\n        .then(IconSystem => {\n            const iconSystem = new IconSystem();\n            prefetchTemplate(iconSystem.getTemplateName());\n\n            return iconSystem;\n        })\n        .then(iconSystem => {\n            fetchQueue();\n            iconSystem.init();\n\n            return;\n        })\n        .catch();\n    }, 500);\n};\n\n/**\n * Add a set of templates to the prefetch queue.\n *\n * @param {Array} templatesNames\n */\nconst prefetchTemplates = templatesNames => {\n    templateList = templateList.concat(templatesNames);\n\n    processQueue();\n};\n\n/**\n * Add a single template to the prefetch queue.\n *\n * @param {String} templateName\n * @returns {undefined}\n */\nconst prefetchTemplate = templateName => prefetchTemplates([templateName]);\n\n/**\n * Add a set of strings from the same component to the prefetch queue.\n *\n * @param {String} component\n * @param {String[]} keys\n */\nconst prefetchStrings = (component, keys) => {\n    if (!stringList[component]) {\n        stringList[component] = [];\n    }\n\n    stringList[component] = stringList[component].concat(keys);\n\n    processQueue();\n};\n\n/**\n * Add a single string to the prefetch queue.\n *\n * @param {String} component\n * @param {String} key\n */\nconst prefetchString = (component, key) => {\n    if (!stringList[component]) {\n        stringList[component] = [];\n    }\n\n    stringList[component].push(key);\n\n    processQueue();\n};\n\n// Prefetch some commonly-used templates.\nprefetchTemplates([].concat(\n    ['core/loading'],\n    ['core/modal'],\n    ['core/modal_backdrop'],\n));\n\n// And some commonly used strings.\nprefetchStrings('core', [\n    'cancel',\n    'closebuttontitle',\n    'loading',\n    'savechanges',\n]);\nprefetchStrings('core_form', [\n    'showless',\n    'showmore',\n]);\n\nexport default {\n    prefetchTemplate,\n    prefetchTemplates,\n    prefetchString,\n    prefetchStrings,\n};\n"],"file":"prefetch.min.js"}
\ No newline at end of file
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Prefetch module to help lazily load content for use on the current page.\n *\n * @module     core/prefetch\n * @class      prefetch\n * @package    core\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Config from 'core/config';\n\n// Keep track of whether the initial prefetch has occurred.\nlet initialPrefetchComplete = false;\n\n// Prefetch templates.\nlet templateList = [];\n\n// Prefetch strings.\nlet stringList = {};\n\nlet prefetchTimer;\n\n/**\n * Fetch all queued items in the queue.\n *\n * Should only be called via processQueue.\n */\nconst fetchQueue = () => {\n    // Prefetch templates.\n    if (templateList) {\n        const templatesToLoad = templateList.slice();\n        templateList = [];\n        import('core/templates')\n        .then(Templates => Templates.prefetchTemplates(templatesToLoad))\n        .catch();\n    }\n\n    // Prefetch strings.\n    const mappedStringsToFetch = stringList;\n    stringList = {};\n\n    const stringsToFetch = [];\n    Object.keys(mappedStringsToFetch).forEach(component => {\n        stringsToFetch.push(...mappedStringsToFetch[component].map(key => {\n            return {component, key};\n        }));\n    });\n\n    if (stringsToFetch) {\n        import('core/str')\n        .then(Str => Str.get_strings(stringsToFetch))\n        .catch();\n    }\n};\n\n/**\n * Process the prefetch queues as required.\n *\n * The initial call will queue the first fetch after a delay.\n * Subsequent fetches are immediate.\n */\nconst processQueue = () => {\n    if (prefetchTimer) {\n        // There is a live prefetch timer. The initial prefetch has been scheduled but is not complete.\n        return;\n    }\n\n    // The initial prefetch has compelted. Just queue as normal.\n    if (initialPrefetchComplete) {\n        fetchQueue();\n\n        return;\n    }\n\n    // Queue the initial prefetch in a short while.\n    prefetchTimer = setTimeout(() => {\n        initialPrefetchComplete = true;\n        prefetchTimer = null;\n\n        // Ensure that the icon system is loaded.\n        // This can be quite slow and delay UI interactions if it is loaded on demand.\n        import(Config.iconsystemmodule)\n        .then(IconSystem => {\n            const iconSystem = new IconSystem();\n            prefetchTemplate(iconSystem.getTemplateName());\n\n            return iconSystem;\n        })\n        .then(iconSystem => {\n            fetchQueue();\n            iconSystem.init();\n\n            return;\n        })\n        .catch();\n    }, 500);\n};\n\n/**\n * Add a set of templates to the prefetch queue.\n *\n * @param {Array} templatesNames\n */\nconst prefetchTemplates = templatesNames => {\n    templateList = templateList.concat(templatesNames);\n\n    processQueue();\n};\n\n/**\n * Add a single template to the prefetch queue.\n *\n * @param {String} templateName\n * @returns {undefined}\n */\nconst prefetchTemplate = templateName => prefetchTemplates([templateName]);\n\n/**\n * Add a set of strings from the same component to the prefetch queue.\n *\n * @param {String} component\n * @param {String[]} keys\n */\nconst prefetchStrings = (component, keys) => {\n    if (!stringList[component]) {\n        stringList[component] = [];\n    }\n\n    stringList[component] = stringList[component].concat(keys);\n\n    processQueue();\n};\n\n/**\n * Add a single string to the prefetch queue.\n *\n * @param {String} component\n * @param {String} key\n */\nconst prefetchString = (component, key) => {\n    if (!stringList[component]) {\n        stringList[component] = [];\n    }\n\n    stringList[component].push(key);\n\n    processQueue();\n};\n\n// Prefetch some commonly-used templates.\nprefetchTemplates([].concat(\n    ['core/loading'],\n    ['core/modal'],\n    ['core/modal_backdrop'],\n));\n\n// And some commonly used strings.\nprefetchStrings('core', [\n    'cancel',\n    'closebuttontitle',\n    'loading',\n    'savechanges',\n]);\nprefetchStrings('core_form', [\n    'showless',\n    'showmore',\n]);\n\nexport default {\n    prefetchTemplate,\n    prefetchTemplates,\n    prefetchString,\n    prefetchStrings,\n};\n"],"file":"prefetch.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/pubsub.min.js b/lib/amd/build/pubsub.min.js
index 0480eba5386..a85b5fc7cb2 100644
--- a/lib/amd/build/pubsub.min.js
+++ b/lib/amd/build/pubsub.min.js
@@ -1,2 +1,2 @@
-define ("core/pubsub",["exports","core/pending"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.publish=a.unsubscribe=a.subscribe=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c={};a.subscribe=function subscribe(a,b){c[a]=c[a]||[];c[a].push(b)};a.unsubscribe=function unsubscribe(a,b){if(c[a]){for(var d=0;d<c[a].length;d++){if(c[a][d]===b){c[a].splice(d,1);break}}}};var d=function(a,d){var e=new b.default("Publishing "+a);if(c[a]){c[a].forEach(function(a){a(d)})}e.resolve()};a.publish=d});
+define ("core/pubsub",["exports","core/pending"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.unsubscribe=a.subscribe=a.publish=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c={};a.subscribe=function subscribe(a,b){c[a]=c[a]||[];c[a].push(b)};a.unsubscribe=function unsubscribe(a,b){if(c[a]){for(var d=0;d<c[a].length;d++){if(c[a][d]===b){c[a].splice(d,1);break}}}};var d=function(a,d){var e=new b.default("Publishing "+a);if(c[a]){c[a].forEach(function(a){a(d)})}e.resolve()};a.publish=d});
 //# sourceMappingURL=pubsub.min.js.map
diff --git a/lib/amd/build/showhidesettings.min.js b/lib/amd/build/showhidesettings.min.js
index edc157029ac..b5d9844331f 100644
--- a/lib/amd/build/showhidesettings.min.js
+++ b/lib/amd/build/showhidesettings.min.js
@@ -1,2 +1,2 @@
-define ("core/showhidesettings",["jquery"],function(a){var n;function b(a){return a.is("input[type=hidden]")&&a.siblings("input[type=checkbox][name=\""+a.attr("name")+"\"]").length}function c(a,b){return a.is("input[type=radio]")&&a.attr("value")!==b}function d(a,d){return!b(a)&&!c(a,d)}function e(a){return a.is("input[type=radio]")&&!a.prop("checked")}function f(a){return a.is("input[type=checkbox]")&&!a.prop("checked")}function g(a){return a.is("select")&&a.prop("multiple")}function h(a,b){var c=a.val()||[];if(!b.length){return!1}if(c.length!==b.length){return!1}for(var d in c){if(c.hasOwnProperty(d)){if(-1===b.indexOf(c[d])){return!1}}}return!0}var o={notchecked:function notchecked(b,c){var e=!1;c=c+"";b.each(function(b,f){var g=a(f);if(d(g,c)){e=e||!g.prop("checked")}});return e},checked:function checked(b,c){var e=!1;c=c+"";b.each(function(b,f){var g=a(f);if(d(g,c)){e=e||g.prop("checked")}});return e},noitemselected:function noitemselected(b){var c=!1;b.each(function(b,d){var e=a(d);c=c||-1===e.prop("selectedIndex")});return c},eq:function eq(c,d){var i=!1,j=!1;d=d+"";c.each(function(c,k){var l=a(k);if(e(l)){return}if(b(l)){j=l.val()===d;return}if(f(l)){i=i||j;return}if(g(l)){var m=d.split("|");i=h(l,m);return}i=i||l.val()===d});return i},in:function _in(c,d){var i=!1,j=!1,k=d.split("|");c.each(function(c,d){var l=a(d);if(e(l)){return}if(b(l)){j=-1<k.indexOf(l.val());return}if(f(l)){i=i||j;return}if(g(l)){i=h(l,k);return}i=i||-1<k.indexOf(l.val())});return i},defaultCondition:function defaultCondition(c,d){var i=!1,j=!1;d=d+"";c.each(function(c,k){var l=a(k);if(e(l)){return}if(b(l)){j=l.val()!==d;return}if(f(l)){i=i||j;return}if(g(l)){var m=d.split("|");i=!h(l,m);return}i=i||l.val()!==d});return i}};function i(b){return a("[name=\""+b+"\"],[name^=\""+b+"[\"]")}function j(a,b,c){if("function"==typeof o[b]){return o[b](a,c)}return o.defaultCondition(a,c)}function k(){var b={};a.each(n,function(c){var d=i(c);a.each(n[c],function(c,e){a.each(e,function(e,f){var g=j(d,c,e);a.each(f,function(a,c){if(b.hasOwnProperty(c)){b[c]=b[c]||g}else{b[c]=g}})})})});a.each(b,function(b,c){i(b).each(function(b,d){var e=a(d).closest(".form-item");if(e.length){if(c){e.hide()}else{e.show()}}})})}function l(){a.each(n,function(a){var b=i(a);if(b.length){b.on("change",k)}});k()}function m(){a(".form-dependenton").hide()}return{init:function init(a){n=a.dependencies;l();m()}}});
+define ("core/showhidesettings",["jquery"],function(a){var b;function c(a){return a.is("input[type=hidden]")&&a.siblings("input[type=checkbox][name=\""+a.attr("name")+"\"]").length}function d(a,b){return a.is("input[type=radio]")&&a.attr("value")!==b}function e(a,b){return!c(a)&&!d(a,b)}function f(a){return a.is("input[type=radio]")&&!a.prop("checked")}function g(a){return a.is("input[type=checkbox]")&&!a.prop("checked")}function h(a){return a.is("select")&&a.prop("multiple")}function i(a,b){var c=a.val()||[];if(!b.length){return!1}if(c.length!==b.length){return!1}for(var d in c){if(c.hasOwnProperty(d)){if(-1===b.indexOf(c[d])){return!1}}}return!0}var j={notchecked:function notchecked(b,c){var d=!1;c=c+"";b.each(function(b,f){var g=a(f);if(e(g,c)){d=d||!g.prop("checked")}});return d},checked:function checked(b,c){var d=!1;c=c+"";b.each(function(b,f){var g=a(f);if(e(g,c)){d=d||g.prop("checked")}});return d},noitemselected:function noitemselected(b){var c=!1;b.each(function(b,d){var e=a(d);c=c||-1===e.prop("selectedIndex")});return c},eq:function eq(b,d){var e=!1,j=!1;d=d+"";b.each(function(b,k){var l=a(k);if(f(l)){return}if(c(l)){j=l.val()===d;return}if(g(l)){e=e||j;return}if(h(l)){var m=d.split("|");e=i(l,m);return}e=e||l.val()===d});return e},in:function _in(b,d){var e=!1,j=!1,k=d.split("|");b.each(function(b,d){var l=a(d);if(f(l)){return}if(c(l)){j=-1<k.indexOf(l.val());return}if(g(l)){e=e||j;return}if(h(l)){e=i(l,k);return}e=e||-1<k.indexOf(l.val())});return e},defaultCondition:function defaultCondition(b,d){var e=!1,j=!1;d=d+"";b.each(function(b,k){var l=a(k);if(f(l)){return}if(c(l)){j=l.val()!==d;return}if(g(l)){e=e||j;return}if(h(l)){var m=d.split("|");e=!i(l,m);return}e=e||l.val()!==d});return e}};function k(b){return a("[name=\""+b+"\"],[name^=\""+b+"[\"]")}function l(a,b,c){if("function"==typeof j[b]){return j[b](a,c)}return j.defaultCondition(a,c)}function m(){var c={};a.each(b,function(d){var e=k(d);a.each(b[d],function(b,d){a.each(d,function(d,f){var g=l(e,b,d);a.each(f,function(a,b){if(c.hasOwnProperty(b)){c[b]=c[b]||g}else{c[b]=g}})})})});a.each(c,function(b,c){k(b).each(function(b,d){var e=a(d).closest(".form-item");if(e.length){if(c){e.hide()}else{e.show()}}})})}function n(){a.each(b,function(a){var b=k(a);if(b.length){b.on("change",m)}});m()}function o(){a(".form-dependenton").hide()}return{init:function init(a){b=a.dependencies;n();o()}}});
 //# sourceMappingURL=showhidesettings.min.js.map
diff --git a/lib/amd/build/sortable_list.min.js b/lib/amd/build/sortable_list.min.js
index e29f23ddced..56ef0286288 100644
--- a/lib/amd/build/sortable_list.min.js
+++ b/lib/amd/build/sortable_list.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core/sortable_list",["jquery","core/log","core/autoscroll","core/str","core/modal_factory","core/modal_events","core/notification"],function(b,a,c,d,e,f,g){var h={targetListSelector:null,moveHandlerSelector:"[data-drag-type=move]",isHorizontal:!1,autoScroll:!0},j={keyboardDragClass:"dragdrop-keyboard-drag",isDraggedClass:"sortable-list-is-dragged",currentPositionClass:"sortable-list-current-position",sourceListClass:"sortable-list-source",targetListClass:"sortable-list-target",overElementClass:"sortable-list-over-element"},k=function(a){return{setup:function setup(b,c,d){if(c.includes("notPassive")){this.addEventListener(a,d,{passive:!1});return!0}else{return!1}}}};if(function eventListenerOptionsSupported(){var a=!1,b;try{b=Object.defineProperty({},"passive",{get:function get(){a=!0}});document.addEventListener("testpassiveeventoptions",b,b);document.removeEventListener("testpassiveeventoptions",b,b)}catch(b){a=!1}return a}){b.event.special.touchstart=k("touchstart");b.event.special.touchmove=k("touchmove");b.event.special.touchend=k("touchend")}var l=function(a,c){this.info=null;this.proxy=null;this.proxyDelta=null;this.dragCounter=0;this.lastEvent=null;this.config=b.extend({},h,c||{});this.config.listSelector=a;if(!this.config.targetListSelector){this.config.targetListSelector=a}if("object"===_typeof(this.config.listSelector)){b(this.config.listSelector).on("mousedown touchstart.notPassive",b.proxy(this.dragStartHandler,this))}else{b("body").on("mousedown touchstart.notPassive",this.config.listSelector,b.proxy(this.dragStartHandler,this))}if(null!==this.config.moveHandlerSelector){b("body").on("click keypress",this.config.moveHandlerSelector,b.proxy(this.clickHandler,this))}};l.EVENTS={DRAGSTART:"sortablelist-dragstart",DRAG:"sortablelist-drag",DROP:"sortablelist-drop",DRAGEND:"sortablelist-dragend"};l.prototype.resetDraggedClasses=function(){var a=[j.isDraggedClass,j.currentPositionClass,j.overElementClass,j.targetListClass];for(var c in a){b("."+a[c]).removeClass(a[c])}if(this.proxy){this.proxy.remove();this.proxy=b()}};l.prototype.calculatePositionOnPage=function(a){if(a.originalEvent&&a.originalEvent.touches&&a.originalEvent.touches[0]!==void 0){var c=a.originalEvent.touches[0];a.pageX=c.pageX;a.pageY=c.pageY}if(a.pageX===void 0){a.pageX=this.lastEvent.pageX;a.pageY=this.lastEvent.pageY}else{this.lastEvent=a}if(a.clientX===void 0){a.clientX=Math.round(a.pageX-b(window).scrollLeft());a.clientY=Math.round(a.pageY-b(window).scrollTop())}};l.prototype.dragStartHandler=function(a){if(null!==this.info){if("click"===this.info.type||"touchend"===this.info.type){return}this.moveElement(this.info.sourceList,this.info.sourceNextElement);this.finishDragging()}if("mousedown"===a.type&&1!==a.which){return}this.calculatePositionOnPage(a);var d=b(a.target).closest(b(a.currentTarget).children());if(!d.length){return}if(null!==this.config.moveHandlerSelector){if(!b(a.target).closest(this.config.moveHandlerSelector,d).length){return}}a.stopPropagation();a.preventDefault();this.dragCounter++;this.info={element:d,sourceNextElement:d.next(),sourceList:d.parent(),targetNextElement:d.next(),targetList:d.parent(),type:a.type,dropped:!1,startX:a.pageX,startY:a.pageY,startTime:new Date().getTime()};b(this.config.targetListSelector).addClass(j.targetListClass);var e=d.offset();d.addClass(j.currentPositionClass);this.proxyDelta={x:e.left-a.pageX,y:e.top-a.pageY};this.proxy=b();var f=this.dragCounter;setTimeout(b.proxy(function(){if(null===this.info||"click"===this.info.type||"keypress"===this.info.type||this.dragCounter!==f){return}this.createProxy()},this),500);b(window).on("mousemove touchmove.notPassive mouseup touchend.notPassive",b.proxy(this.dragHandler,this));b(window).on("keypress",b.proxy(this.dragcancelHandler,this));if(this.config.autoScroll){c.start(function(){b(window).trigger("mousemove")})}this.executeCallback(l.EVENTS.DRAGSTART)};l.prototype.createProxy=function(){this.proxy=this.info.element.clone();this.info.sourceList.append(this.proxy);this.proxy.removeAttr("id").removeClass(j.currentPositionClass).addClass(j.isDraggedClass).css({position:"fixed"});this.proxy.offset({top:this.proxyDelta.y+this.lastEvent.pageY,left:this.proxyDelta.x+this.lastEvent.pageX})};l.prototype.clickHandler=function(a){if("keypress"===a.type&&13!==a.originalEvent.keyCode&&32!==a.originalEvent.keyCode){return}if(null!==this.info){return}var c=b(a.target).closest(this.config.moveHandlerSelector),d=c.closest(this.config.listSelector),e=c.closest(d.children());if(!e.length){return}a.preventDefault();a.stopPropagation();this.dragCounter++;this.info={element:e,sourceNextElement:e.next(),sourceList:d,targetNextElement:e.next(),targetList:d,dropped:!1,type:a.type,startTime:new Date().getTime()};this.executeCallback(l.EVENTS.DRAGSTART);this.displayMoveDialogue(c)};l.prototype.getPositionInNode=function(a,b,c){if(!c.length){return null}var d=c[0],e=d.getBoundingClientRect(),f=b-(e.top+window.scrollY),g=a-(e.left+window.scrollX);if(g>=-0&&g<=e.width+0&&f>=-0&&f<=e.height+0){return{x:g,y:f,xRatio:e.width?g/e.width:0,yRatio:e.height?f/e.height:0}}return null};l.prototype.isListHorizontal=function(a){var b=this.config.isHorizontal;if(!0===b||!1===b){return b}return b(a)};l.prototype.dragHandler=function(a){a.preventDefault();a.stopPropagation();this.calculatePositionOnPage(a);this.proxy.offset({top:-1e3,left:-1e3});var c=b(document.elementFromPoint(a.clientX,a.clientY)),d=this.info.element[0],e=function(){return this!==d},f=c.closest("."+j.targetListClass+" > :not(."+j.isDraggedClass+")").filter(e),g=c.closest("."+j.targetListClass),h=this.proxy,i=function(){return!h||!h.length||this!==h[0]};b("."+j.overElementClass).removeClass(j.overElementClass);f.addClass(j.overElementClass);this.proxy.offset({top:this.proxyDelta.y+a.pageY,left:this.proxyDelta.x+a.pageX});if(g.length&&!g.children().filter(i).length){this.moveElement(g,b())}else if(1===f.length&&!this.info.element.find(f[0]).length){var k=this.getPositionInNode(a.pageX,a.pageY,f);if(k){var m=f.parent(),n=this.isListHorizontal(m)?k.xRatio:k.yRatio,o=f.find("."+j.targetListClass),p=!o.children().filter(i).filter(e).length;if(o.length&&p&&.2<n&&.8>n){this.moveElement(o,b())}else if(.5<n){this.moveElement(m,f.next().filter(i))}else{this.moveElement(m,f)}}}if("mouseup"===a.type||"touchend"===a.type){this.info.endX=a.pageX;this.info.endY=a.pageY;this.info.endTime=new Date().getTime();this.info.dropped=!0;this.info.positionChanged=this.hasPositionChanged(this.info);var q=this.info;this.executeCallback(l.EVENTS.DROP);this.finishDragging();if("touchend"===a.type&&null!==this.config.moveHandlerSelector&&500>q.endTime-q.startTime&&!q.positionChanged){this.clickHandler(a)}}};l.prototype.hasPositionChanged=function(a){return a.sourceList[0]!==a.targetList[0]||a.sourceNextElement.length!==a.targetNextElement.length||a.sourceNextElement.length&&a.sourceNextElement[0]!==a.targetNextElement[0]};l.prototype.moveElement=function(a,b){var c=this.info.element;if(b.length&&b[0]===c[0]){return}if(a[0]===this.info.targetList[0]&&b.length===this.info.targetNextElement.length&&b[0]===this.info.targetNextElement[0]){return}if(b.length){a[0].insertBefore(c[0],b[0])}else if(this.proxy&&this.proxy.parent().length&&this.proxy.parent()[0]===a[0]){a[0].insertBefore(c[0],this.proxy[0])}else{a[0].appendChild(c[0])}this.info.targetList=a;this.info.targetNextElement=b;this.executeCallback(l.EVENTS.DRAG)};l.prototype.finishDragging=function(){this.resetDraggedClasses();if(this.config.autoScroll){c.stop()}b(window).off("mousemove touchmove.notPassive mouseup touchend.notPassive",b.proxy(this.dragHandler,this));b(window).off("keypress",b.proxy(this.dragcancelHandler,this));this.executeCallback(l.EVENTS.DRAGEND);this.info=null};l.prototype.executeCallback=function(a){this.info.element.trigger(a,this.info)};l.prototype.dragcancelHandler=function(a){if("keypress"!==a.type||27!==a.originalEvent.keyCode){return}this.moveElement(this.info.sourceList,this.info.sourceNextElement);this.finishDragging()};l.prototype.getElementName=function(a){return b.Deferred().resolve(a.text())};l.prototype.getDestinationName=function(a,b){if(!b.length){return d.get_string("movecontenttothetop","moodle")}else{return this.getElementName(b).then(function(a){return d.get_string("movecontentafter","moodle",a)})}};l.prototype.getMoveDialogueTitle=function(a,c){if(c.attr("title")){return b.Deferred().resolve(c.attr("title"))}return this.getElementName(a).then(function(a){return d.get_string("movecontent","moodle",a)})};l.prototype.getDestinationsList=function(){var a=[],c=b(this.config.targetListSelector),d=b("<ul/>").addClass(j.keyboardDragClass),e=b.when().then(function(){return d}),f=b.proxy(function(c,f,g){if(f.is(this.info.element)||g.is(this.info.element)){return}if(b.contains(this.info.element[0],c[0])){return}e=e.then(b.proxy(function(){return this.getDestinationName(c,g)},this)).then(function(e){var g=b("<li/>").appendTo(d),h=b("<a href=\"#\"/>").attr("data-core_sortable_list-quickmove",1).appendTo(g);h.data("parent-element",c).data("before-element",f).text(e);return d})},this),g=function(){if(-1!==b.inArray(this,a)){return}a.push(this);var d=b(this),e=d.children();e.each(function(){var a=b(this);f(d,a,a.prev());a.find(c).each(g)});f(d,b(),e.last())};c.each(g);return e};l.prototype.displayMoveDialogue=function(a){e.create({type:e.types.CANCEL,title:this.getMoveDialogueTitle(this.info.element,a),body:this.getDestinationsList()}).then(b.proxy(function(c){var d=b.proxy(function(d){d.preventDefault();d.stopPropagation();this.moveElement(b(d.currentTarget).data("parent-element"),b(d.currentTarget).data("before-element"));this.info.endTime=new Date().getTime();this.info.positionChanged=this.hasPositionChanged(this.info);this.info.dropped=!0;a.focus();this.executeCallback(l.EVENTS.DROP);c.hide()},this);c.getRoot().on("click","[data-core_sortable_list-quickmove]",d);c.getRoot().on(f.hidden,b.proxy(function(){c.getRoot().off("click","[data-core_sortable_list-quickmove]",d);c.destroy();this.finishDragging()},this));c.setLarge();c.show();return c},this)).catch(g.exception)};return l});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/sortable_list",["jquery","core/log","core/autoscroll","core/str","core/modal_factory","core/modal_events","core/notification"],function(b,a,c,d,e,f,g){var h={targetListSelector:null,moveHandlerSelector:"[data-drag-type=move]",isHorizontal:!1,autoScroll:!0},j={keyboardDragClass:"dragdrop-keyboard-drag",isDraggedClass:"sortable-list-is-dragged",currentPositionClass:"sortable-list-current-position",sourceListClass:"sortable-list-source",targetListClass:"sortable-list-target",overElementClass:"sortable-list-over-element"},k=function(a){return{setup:function setup(b,c,d){if(c.includes("notPassive")){this.addEventListener(a,d,{passive:!1});return!0}else{return!1}}}};if(function eventListenerOptionsSupported(){var a=!1,b;try{b=Object.defineProperty({},"passive",{get:function get(){a=!0}});document.addEventListener("testpassiveeventoptions",b,b);document.removeEventListener("testpassiveeventoptions",b,b)}catch(b){a=!1}return a}){b.event.special.touchstart=k("touchstart");b.event.special.touchmove=k("touchmove");b.event.special.touchend=k("touchend")}var l=function(a,c){this.info=null;this.proxy=null;this.proxyDelta=null;this.dragCounter=0;this.lastEvent=null;this.config=b.extend({},h,c||{});this.config.listSelector=a;if(!this.config.targetListSelector){this.config.targetListSelector=a}if("object"===_typeof(this.config.listSelector)){b(this.config.listSelector).on("mousedown touchstart.notPassive",b.proxy(this.dragStartHandler,this))}else{b("body").on("mousedown touchstart.notPassive",this.config.listSelector,b.proxy(this.dragStartHandler,this))}if(null!==this.config.moveHandlerSelector){b("body").on("click keypress",this.config.moveHandlerSelector,b.proxy(this.clickHandler,this))}};l.EVENTS={DRAGSTART:"sortablelist-dragstart",DRAG:"sortablelist-drag",DROP:"sortablelist-drop",DRAGEND:"sortablelist-dragend"};l.prototype.resetDraggedClasses=function(){var a=[j.isDraggedClass,j.currentPositionClass,j.overElementClass,j.targetListClass];for(var c in a){b("."+a[c]).removeClass(a[c])}if(this.proxy){this.proxy.remove();this.proxy=b()}};l.prototype.calculatePositionOnPage=function(a){if(a.originalEvent&&a.originalEvent.touches&&a.originalEvent.touches[0]!==void 0){var c=a.originalEvent.touches[0];a.pageX=c.pageX;a.pageY=c.pageY}if(a.pageX===void 0){a.pageX=this.lastEvent.pageX;a.pageY=this.lastEvent.pageY}else{this.lastEvent=a}if(a.clientX===void 0){a.clientX=Math.round(a.pageX-b(window).scrollLeft());a.clientY=Math.round(a.pageY-b(window).scrollTop())}};l.prototype.dragStartHandler=function(a){if(null!==this.info){if("click"===this.info.type||"touchend"===this.info.type){return}this.moveElement(this.info.sourceList,this.info.sourceNextElement);this.finishDragging()}if("mousedown"===a.type&&1!==a.which){return}this.calculatePositionOnPage(a);var d=b(a.target).closest(b(a.currentTarget).children());if(!d.length){return}if(null!==this.config.moveHandlerSelector){if(!b(a.target).closest(this.config.moveHandlerSelector,d).length){return}}a.stopPropagation();a.preventDefault();this.dragCounter++;this.info={element:d,sourceNextElement:d.next(),sourceList:d.parent(),targetNextElement:d.next(),targetList:d.parent(),type:a.type,dropped:!1,startX:a.pageX,startY:a.pageY,startTime:new Date().getTime()};b(this.config.targetListSelector).addClass(j.targetListClass);var e=d.offset();d.addClass(j.currentPositionClass);this.proxyDelta={x:e.left-a.pageX,y:e.top-a.pageY};this.proxy=b();var f=this.dragCounter;setTimeout(b.proxy(function(){if(null===this.info||"click"===this.info.type||"keypress"===this.info.type||this.dragCounter!==f){return}this.createProxy()},this),500);b(window).on("mousemove touchmove.notPassive mouseup touchend.notPassive",b.proxy(this.dragHandler,this));b(window).on("keypress",b.proxy(this.dragcancelHandler,this));if(this.config.autoScroll){c.start(function(){b(window).trigger("mousemove")})}this.executeCallback(l.EVENTS.DRAGSTART)};l.prototype.createProxy=function(){this.proxy=this.info.element.clone();this.info.sourceList.append(this.proxy);this.proxy.removeAttr("id").removeClass(j.currentPositionClass).addClass(j.isDraggedClass).css({position:"fixed"});this.proxy.offset({top:this.proxyDelta.y+this.lastEvent.pageY,left:this.proxyDelta.x+this.lastEvent.pageX})};l.prototype.clickHandler=function(a){if("keypress"===a.type&&13!==a.originalEvent.keyCode&&32!==a.originalEvent.keyCode){return}if(null!==this.info){return}var 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c=b(document.elementFromPoint(a.clientX,a.clientY)),d=this.info.element[0],e=function(){return this!==d},f=c.closest("."+j.targetListClass+" > :not(."+j.isDraggedClass+")").filter(e),g=c.closest("."+j.targetListClass),h=this.proxy,i=function(){return!h||!h.length||this!==h[0]};b("."+j.overElementClass).removeClass(j.overElementClass);f.addClass(j.overElementClass);this.proxy.offset({top:this.proxyDelta.y+a.pageY,left:this.proxyDelta.x+a.pageX});if(g.length&&!g.children().filter(i).length){this.moveElement(g,b())}else if(1===f.length&&!this.info.element.find(f[0]).length){var k=this.getPositionInNode(a.pageX,a.pageY,f);if(k){var m=f.parent(),n=this.isListHorizontal(m)?k.xRatio:k.yRatio,o=f.find("."+j.targetListClass),p=!o.children().filter(i).filter(e).length;if(o.length&&p&&.2<n&&.8>n){this.moveElement(o,b())}else 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if(this.proxy&&this.proxy.parent().length&&this.proxy.parent()[0]===a[0]){a[0].insertBefore(c[0],this.proxy[0])}else{a[0].appendChild(c[0])}this.info.targetList=a;this.info.targetNextElement=b;this.executeCallback(l.EVENTS.DRAG)};l.prototype.finishDragging=function(){this.resetDraggedClasses();if(this.config.autoScroll){c.stop()}b(window).off("mousemove touchmove.notPassive mouseup touchend.notPassive",b.proxy(this.dragHandler,this));b(window).off("keypress",b.proxy(this.dragcancelHandler,this));this.executeCallback(l.EVENTS.DRAGEND);this.info=null};l.prototype.executeCallback=function(a){this.info.element.trigger(a,this.info)};l.prototype.dragcancelHandler=function(a){if("keypress"!==a.type||27!==a.originalEvent.keyCode){return}this.moveElement(this.info.sourceList,this.info.sourceNextElement);this.finishDragging()};l.prototype.getElementName=function(a){return b.Deferred().resolve(a.text())};l.prototype.getDestinationName=function(a,b){if(!b.length){return 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 //# sourceMappingURL=sortable_list.min.js.map
diff --git a/lib/amd/build/sortable_list.min.js.map b/lib/amd/build/sortable_list.min.js.map
index 2caed597cca..04290c4680c 100644
--- a/lib/amd/build/sortable_list.min.js.map
+++ b/lib/amd/build/sortable_list.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle list items drag and drop\n *\n * Example of usage:\n *\n * Create a list (for example <ul> or <tbody>) where each draggable element has a drag handle.\n * The best practice is to use the template core/drag_handle:\n * $OUTPUT->render_from_template('core/drag_handle', ['movetitle' => get_string('movecontent', 'moodle', ELEMENTNAME)]);\n *\n * Attach this JS module to this list:\n *\n * Space between define and ( critical in comment but not allowed in code in order to function\n * correctly with Moodle's requirejs.php\n *\n * define (['jquery', 'core/sortable_list'], function($, SortableList) {\n *     var list = new SortableList('ul.my-awesome-list'); // source list (usually <ul> or <tbody>) - selector or element\n *\n *     // Listen to the events when element is dragged.\n *     $('ul.my-awesome-list > *').on(SortableList.EVENTS.DROP, function(evt, info) {\n *         console.log(info);\n *     });\n *\n *     // Advanced usage. Overwrite methods getElementName, getDestinationName, moveDialogueTitle, for example:\n *     list.getElementName = function(element) {\n *         return $.Deferred().resolve(element.attr('data-name'));\n *     }\n * }\n *\n * More details: https://docs.moodle.org/dev/Sortable_list\n *\n * For the full list of possible parameters see var defaultParameters below.\n *\n * The following jQuery events are fired:\n * - SortableList.EVENTS.DRAGSTART : when user started dragging a list element\n * - SortableList.EVENTS.DRAG : when user dragged a list element to a new position\n * - SortableList.EVENTS.DROP : when user dropped a list element\n * - SortableList.EVENTS.DROPEND : when user finished dragging - either fired right after dropping or\n *                          if \"Esc\" was pressed during dragging\n *\n * @module     core/sortable_list\n * @class      sortable_list\n * @package    core\n * @copyright  2018 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/log', 'core/autoscroll', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/notification'],\nfunction($, log, autoScroll, str, ModalFactory, ModalEvents, Notification) {\n\n    /**\n     * Default parameters\n     *\n     * @private\n     * @type {Object}\n     */\n    var defaultParameters = {\n        targetListSelector: null,\n        moveHandlerSelector: '[data-drag-type=move]',\n        isHorizontal: false,\n        autoScroll: true\n    };\n\n    /**\n     * Class names for different elements that may be changed during sorting\n     *\n     * @private\n     * @type {Object}\n     */\n    var CSS = {\n        keyboardDragClass: 'dragdrop-keyboard-drag',\n        isDraggedClass: 'sortable-list-is-dragged',\n        currentPositionClass: 'sortable-list-current-position',\n        sourceListClass: 'sortable-list-source',\n        targetListClass: 'sortable-list-target',\n        overElementClass: 'sortable-list-over-element'\n    };\n\n    /**\n     * Test the browser support for options objects on event listeners.\n     * @return {Boolean}\n     */\n    var eventListenerOptionsSupported = function() {\n        var passivesupported = false,\n            options,\n            testeventname = \"testpassiveeventoptions\";\n\n        // Options support testing example from:\n        // https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n\n        try {\n            options = Object.defineProperty({}, \"passive\", {\n                get: function() {\n                    passivesupported = true;\n                }\n            });\n\n            // We use an event name that is not likely to conflict with any real event.\n            document.addEventListener(testeventname, options, options);\n            // We remove the event listener as we have tested the options already.\n            document.removeEventListener(testeventname, options, options);\n        } catch (err) {\n            // It's already false.\n            passivesupported = false;\n        }\n        return passivesupported;\n    };\n\n    /**\n     * Allow to create non-passive touchstart listeners and prevent page scrolling when dragging\n     * From: https://stackoverflow.com/a/48098097\n     *\n     * @type {Object}\n     */\n    var registerNotPassiveListeners = function(eventname) {\n        return {\n            setup: function(x, ns, handle) {\n                if (ns.includes('notPassive')) {\n                    this.addEventListener(eventname, handle, {passive: false});\n                    return true;\n                } else {\n                    return false;\n                }\n            }\n        };\n    };\n\n    if (eventListenerOptionsSupported) {\n        $.event.special.touchstart = registerNotPassiveListeners('touchstart');\n        $.event.special.touchmove = registerNotPassiveListeners('touchmove');\n        $.event.special.touchend = registerNotPassiveListeners('touchend');\n    }\n\n    /**\n     * Initialise sortable list.\n     *\n     * @param {(String|jQuery|Element)} root JQuery/DOM element representing sortable list (i.e. <ul>, <tbody>) or CSS selector\n     * @param {Object} config Parameters for the list. See defaultParameters above for examples.\n     * @property {(String|jQuery|Element)} config.targetListSelector target lists, by default same as root\n     * @property {String} config.moveHandlerSelector  CSS selector for a drag handle. By default '[data-drag-type=move]'\n     * @property {String} config.targetListSelector   CSS selector for target lists. By default the same as root\n     * @property {(Boolean|Function)} config.isHorizontal Set to true if the list is horizontal\n     *                                                (can also be a callback with list as an argument)\n     * @property {Boolean} config.autoScroll          Engages autoscroll module for automatic vertical scrolling of the\n     *                                                whole page, by default true\n     */\n    var SortableList = function(root, config) {\n\n        this.info = null;\n        this.proxy = null;\n        this.proxyDelta = null;\n        this.dragCounter = 0;\n        this.lastEvent = null;\n\n        this.config = $.extend({}, defaultParameters, config || {});\n        this.config.listSelector = root;\n        if (!this.config.targetListSelector) {\n            this.config.targetListSelector = root;\n        }\n        if (typeof this.config.listSelector === 'object') {\n            // The root is an element on the page. Register a listener for this element.\n            $(this.config.listSelector).on('mousedown touchstart.notPassive', $.proxy(this.dragStartHandler, this));\n        } else {\n            // The root is a CSS selector. Register a listener that picks up the element dynamically.\n            $('body').on('mousedown touchstart.notPassive', this.config.listSelector, $.proxy(this.dragStartHandler, this));\n        }\n        if (this.config.moveHandlerSelector !== null) {\n            $('body').on('click keypress', this.config.moveHandlerSelector, $.proxy(this.clickHandler, this));\n        }\n\n    };\n\n    /**\n     * Events fired by this entity\n     *\n     * @public\n     * @type {Object}\n     */\n    SortableList.EVENTS = {\n        DRAGSTART: 'sortablelist-dragstart',\n        DRAG: 'sortablelist-drag',\n        DROP: 'sortablelist-drop',\n        DRAGEND: 'sortablelist-dragend'\n    };\n\n    /**\n     * Resets the temporary classes assigned during dragging\n     * @private\n     */\n     SortableList.prototype.resetDraggedClasses = function() {\n        var classes = [\n            CSS.isDraggedClass,\n            CSS.currentPositionClass,\n            CSS.overElementClass,\n            CSS.targetListClass,\n        ];\n        for (var i in classes) {\n            $('.' + classes[i]).removeClass(classes[i]);\n        }\n        if (this.proxy) {\n            this.proxy.remove();\n            this.proxy = $();\n        }\n    };\n\n    /**\n     * Calculates evt.pageX, evt.pageY, evt.clientX and evt.clientY\n     *\n     * For touch events pageX and pageY are taken from the first touch;\n     * For the emulated mousemove event they are taken from the last real event.\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.calculatePositionOnPage = function(evt) {\n\n        if (evt.originalEvent && evt.originalEvent.touches && evt.originalEvent.touches[0] !== undefined) {\n            // This is a touchmove or touchstart event, get position from the first touch position.\n            var touch = evt.originalEvent.touches[0];\n            evt.pageX = touch.pageX;\n            evt.pageY = touch.pageY;\n        }\n\n        if (evt.pageX === undefined) {\n            // Information is not present in case of touchend or when event was emulated by autoScroll.\n            // Take the absolute mouse position from the last event.\n            evt.pageX = this.lastEvent.pageX;\n            evt.pageY = this.lastEvent.pageY;\n        } else {\n            this.lastEvent = evt;\n        }\n\n        if (evt.clientX === undefined) {\n            // If not provided in event calculate relative mouse position.\n            evt.clientX = Math.round(evt.pageX - $(window).scrollLeft());\n            evt.clientY = Math.round(evt.pageY - $(window).scrollTop());\n        }\n    };\n\n    /**\n     * Handler from dragstart event\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragStartHandler = function(evt) {\n        if (this.info !== null) {\n            if (this.info.type === 'click' || this.info.type === 'touchend') {\n                // Ignore double click.\n                return;\n            }\n            // Mouse down or touch while already dragging, cancel previous dragging.\n            this.moveElement(this.info.sourceList, this.info.sourceNextElement);\n            this.finishDragging();\n        }\n\n        if (evt.type === 'mousedown' && evt.which !== 1) {\n            // We only need left mouse click. If this is a mousedown event with right/middle click ignore it.\n            return;\n        }\n\n        this.calculatePositionOnPage(evt);\n        var movedElement = $(evt.target).closest($(evt.currentTarget).children());\n        if (!movedElement.length) {\n            // Can't find the element user wants to drag. They clicked on the list but outside of any element of the list.\n            return;\n        }\n\n        // Check that we grabbed the element by the handle.\n        if (this.config.moveHandlerSelector !== null) {\n            if (!$(evt.target).closest(this.config.moveHandlerSelector, movedElement).length) {\n                return;\n            }\n        }\n\n        evt.stopPropagation();\n        evt.preventDefault();\n\n        // Information about moved element with original location.\n        // This object is passed to event observers.\n        this.dragCounter++;\n        this.info = {\n            element: movedElement,\n            sourceNextElement: movedElement.next(),\n            sourceList: movedElement.parent(),\n            targetNextElement: movedElement.next(),\n            targetList: movedElement.parent(),\n            type: evt.type,\n            dropped: false,\n            startX: evt.pageX,\n            startY: evt.pageY,\n            startTime: new Date().getTime()\n        };\n\n        $(this.config.targetListSelector).addClass(CSS.targetListClass);\n\n        var offset = movedElement.offset();\n        movedElement.addClass(CSS.currentPositionClass);\n        this.proxyDelta = {x: offset.left - evt.pageX, y: offset.top - evt.pageY};\n        this.proxy = $();\n        var thisDragCounter = this.dragCounter;\n        setTimeout($.proxy(function() {\n            // This mousedown event may in fact be a beginning of a 'click' event. Use timeout before showing the\n            // dragged object so we can catch click event. When timeout finishes make sure that click event\n            // has not happened during this half a second.\n            // Verify dragcounter to make sure the user did not manage to do two very fast drag actions one after another.\n            if (this.info === null || this.info.type === 'click' || this.info.type === 'keypress'\n                    || this.dragCounter !== thisDragCounter) {\n                return;\n            }\n\n            // Create a proxy - the copy of the dragged element that moves together with a mouse.\n            this.createProxy();\n        }, this), 500);\n\n        // Start drag.\n        $(window).on('mousemove touchmove.notPassive mouseup touchend.notPassive', $.proxy(this.dragHandler, this));\n        $(window).on('keypress', $.proxy(this.dragcancelHandler, this));\n\n        // Start autoscrolling. Every time the page is scrolled emulate the mousemove event.\n        if (this.config.autoScroll) {\n            autoScroll.start(function() {\n                $(window).trigger('mousemove');\n            });\n        }\n\n       this.executeCallback(SortableList.EVENTS.DRAGSTART);\n    };\n\n    /**\n     * Creates a \"proxy\" object - a copy of the element that is being moved that always follows the mouse\n     * @private\n     */\n    SortableList.prototype.createProxy = function() {\n        this.proxy = this.info.element.clone();\n        this.info.sourceList.append(this.proxy);\n        this.proxy.removeAttr('id').removeClass(CSS.currentPositionClass)\n            .addClass(CSS.isDraggedClass).css({position: 'fixed'});\n        this.proxy.offset({top: this.proxyDelta.y + this.lastEvent.pageY, left: this.proxyDelta.x + this.lastEvent.pageX});\n    };\n\n    /**\n     * Handler for click event - when user clicks on the drag handler or presses Enter on keyboard\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.clickHandler = function(evt) {\n        if (evt.type === 'keypress' && evt.originalEvent.keyCode !== 13 && evt.originalEvent.keyCode !== 32) {\n            return;\n        }\n        if (this.info !== null) {\n            // Ignore double click.\n            return;\n        }\n\n        // Find the element that this draghandle belongs to.\n        var clickedElement = $(evt.target).closest(this.config.moveHandlerSelector),\n            sourceList = clickedElement.closest(this.config.listSelector),\n            movedElement = clickedElement.closest(sourceList.children());\n        if (!movedElement.length) {\n            return;\n        }\n\n        evt.preventDefault();\n        evt.stopPropagation();\n\n        // Store information about moved element with original location.\n        this.dragCounter++;\n        this.info = {\n            element: movedElement,\n            sourceNextElement: movedElement.next(),\n            sourceList: sourceList,\n            targetNextElement: movedElement.next(),\n            targetList: sourceList,\n            dropped: false,\n            type: evt.type,\n            startTime: new Date().getTime()\n        };\n\n        this.executeCallback(SortableList.EVENTS.DRAGSTART);\n        this.displayMoveDialogue(clickedElement);\n    };\n\n    /**\n     * Finds the position of the mouse inside the element - on the top, on the bottom, on the right or on the left\\\n     *\n     * Used to determine if the moved element should be moved after or before the current element\n     *\n     * @private\n     * @param {Number} pageX\n     * @param {Number} pageY\n     * @param {jQuery} element\n     * @returns {(Object|null)}\n     */\n    SortableList.prototype.getPositionInNode = function(pageX, pageY, element) {\n        if (!element.length) {\n            return null;\n        }\n        var node = element[0],\n            offset = 0,\n            rect = node.getBoundingClientRect(),\n            y = pageY - (rect.top + window.scrollY),\n            x = pageX - (rect.left + window.scrollX);\n        if (x >= -offset && x <= rect.width + offset && y >= -offset && y <= rect.height + offset) {\n            return {\n                x: x,\n                y: y,\n                xRatio: rect.width ? (x / rect.width) : 0,\n                yRatio: rect.height ? (y / rect.height) : 0\n            };\n        }\n        return null;\n    };\n\n    /**\n     * Check if list is horizontal\n     *\n     * @param {jQuery} element\n     * @return {Boolean}\n     */\n    SortableList.prototype.isListHorizontal = function(element) {\n        var isHorizontal = this.config.isHorizontal;\n        if (isHorizontal === true || isHorizontal === false) {\n            return isHorizontal;\n        }\n        return isHorizontal(element);\n    };\n\n    /**\n     * Handler for events mousemove touchmove mouseup touchend\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragHandler = function(evt) {\n\n        evt.preventDefault();\n        evt.stopPropagation();\n\n        this.calculatePositionOnPage(evt);\n\n        // We can not use evt.target here because it will most likely be our proxy.\n        // Move the proxy out of the way so we can find the element at the current mouse position.\n        this.proxy.offset({top: -1000, left: -1000});\n        // Find the element at the current mouse position.\n        var element = $(document.elementFromPoint(evt.clientX, evt.clientY));\n\n        // Find the list element and the list over the mouse position.\n        var mainElement = this.info.element[0],\n            isNotSelf = function() {\n                return this !== mainElement;\n            },\n            current = element.closest('.' + CSS.targetListClass + ' > :not(.' + CSS.isDraggedClass + ')').filter(isNotSelf),\n            currentList = element.closest('.' + CSS.targetListClass),\n            proxy = this.proxy,\n            isNotProxy = function() {\n                return !proxy || !proxy.length || this !== proxy[0];\n            };\n\n        // Add the specified class to the list element we are hovering.\n        $('.' + CSS.overElementClass).removeClass(CSS.overElementClass);\n        current.addClass(CSS.overElementClass);\n\n        // Move proxy to the current position.\n        this.proxy.offset({top: this.proxyDelta.y + evt.pageY, left: this.proxyDelta.x + evt.pageX});\n\n        if (currentList.length && !currentList.children().filter(isNotProxy).length) {\n            // Mouse is over an empty list.\n            this.moveElement(currentList, $());\n        } else if (current.length === 1 && !this.info.element.find(current[0]).length) {\n            // Mouse is over an element in a list - find whether we should move the current position\n            // above or below this element.\n            var coordinates = this.getPositionInNode(evt.pageX, evt.pageY, current);\n            if (coordinates) {\n                var parent = current.parent(),\n                    ratio = this.isListHorizontal(parent) ? coordinates.xRatio : coordinates.yRatio,\n                    subList = current.find('.' + CSS.targetListClass),\n                    subListEmpty = !subList.children().filter(isNotProxy).filter(isNotSelf).length;\n                if (subList.length && subListEmpty && ratio > 0.2 && ratio < 0.8) {\n                    // This is an element that is a parent of an empty list and we are around the middle of this element.\n                    // Treat it as if we are over this empty list.\n                   this.moveElement(subList, $());\n                } else if (ratio > 0.5) {\n                    // Insert after this element.\n                   this.moveElement(parent, current.next().filter(isNotProxy));\n                } else {\n                    // Insert before this element.\n                   this.moveElement(parent, current);\n                }\n            }\n        }\n\n        if (evt.type === 'mouseup' || evt.type === 'touchend') {\n            // Drop the moved element.\n            this.info.endX = evt.pageX;\n            this.info.endY = evt.pageY;\n            this.info.endTime = new Date().getTime();\n            this.info.dropped = true;\n            this.info.positionChanged = this.hasPositionChanged(this.info);\n            var oldinfo = this.info;\n            this.executeCallback(SortableList.EVENTS.DROP);\n            this.finishDragging();\n\n            if (evt.type === 'touchend'\n                    && this.config.moveHandlerSelector !== null\n                    && (oldinfo.endTime - oldinfo.startTime < 500)\n                    && !oldinfo.positionChanged) {\n                // The click event is not triggered on touch screens because we call preventDefault in touchstart handler.\n                // If the touchend quickly followed touchstart without moving, consider it a \"click\".\n                this.clickHandler(evt);\n            }\n        }\n    };\n\n    /**\n     * Checks if the position of the dragged element in the list has changed\n     *\n     * @private\n     * @param {Object} info\n     * @return {Boolean}\n     */\n    SortableList.prototype.hasPositionChanged = function(info) {\n        return info.sourceList[0] !== info.targetList[0] ||\n            info.sourceNextElement.length !== info.targetNextElement.length ||\n            (info.sourceNextElement.length && info.sourceNextElement[0] !== info.targetNextElement[0]);\n    };\n\n    /**\n     * Moves the current position of the dragged element\n     *\n     * @private\n     * @param {jQuery} parentElement\n     * @param {jQuery} beforeElement\n     */\n    SortableList.prototype.moveElement = function(parentElement, beforeElement) {\n        var dragEl = this.info.element;\n        if (beforeElement.length && beforeElement[0] === dragEl[0]) {\n            // Insert before the current position of the dragged element - nothing to do.\n            return;\n        }\n        if (parentElement[0] === this.info.targetList[0] &&\n                beforeElement.length === this.info.targetNextElement.length &&\n                beforeElement[0] === this.info.targetNextElement[0]) {\n            // Insert in the same location as the current position - nothing to do.\n            return;\n        }\n\n        if (beforeElement.length) {\n            // Move the dragged element before the specified element.\n            parentElement[0].insertBefore(dragEl[0], beforeElement[0]);\n        } else if (this.proxy && this.proxy.parent().length && this.proxy.parent()[0] === parentElement[0]) {\n            // We need to move to the end of the list but the last element in this list is a proxy.\n            // Always leave the proxy in the end of the list.\n            parentElement[0].insertBefore(dragEl[0], this.proxy[0]);\n        } else {\n            // Insert in the end of a list (when proxy is in another list).\n            parentElement[0].appendChild(dragEl[0]);\n        }\n\n        // Save the current position of the dragged element in the list.\n        this.info.targetList = parentElement;\n        this.info.targetNextElement = beforeElement;\n        this.executeCallback(SortableList.EVENTS.DRAG);\n    };\n\n    /**\n     * Finish dragging (when dropped or cancelled).\n     * @private\n     */\n    SortableList.prototype.finishDragging = function() {\n        this.resetDraggedClasses();\n        if (this.config.autoScroll) {\n            autoScroll.stop();\n        }\n        $(window).off('mousemove touchmove.notPassive mouseup touchend.notPassive', $.proxy(this.dragHandler, this));\n        $(window).off('keypress', $.proxy(this.dragcancelHandler, this));\n        this.executeCallback(SortableList.EVENTS.DRAGEND);\n        this.info = null;\n    };\n\n    /**\n     * Executes callback specified in sortable list parameters\n     *\n     * @private\n     * @param {String} eventName\n     */\n    SortableList.prototype.executeCallback = function(eventName) {\n        this.info.element.trigger(eventName, this.info);\n    };\n\n    /**\n     * Handler from keypress event (cancel dragging when Esc is pressed)\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragcancelHandler = function(evt) {\n        if (evt.type !== 'keypress' || evt.originalEvent.keyCode !== 27) {\n            // Only cancel dragging when Esc was pressed.\n            return;\n        }\n        // Dragging was cancelled. Return item to the original position.\n        this.moveElement(this.info.sourceList, this.info.sourceNextElement);\n        this.finishDragging();\n    };\n\n    /**\n     * Returns the name of the current element to be used in the move dialogue\n     *\n     * @public\n     * @param {jQuery} element\n     * @return {Promise}\n     */\n    SortableList.prototype.getElementName = function(element) {\n        return $.Deferred().resolve(element.text());\n    };\n\n    /**\n     * Returns the label for the potential move destination, i.e. \"After ElementX\" or \"To the top of the list\"\n     *\n     * Note that we use \"after\" in the label for better UX\n     *\n     * @public\n     * @param {jQuery} parentElement\n     * @param {jQuery} afterElement\n     * @return {Promise}\n     */\n    SortableList.prototype.getDestinationName = function(parentElement, afterElement) {\n        if (!afterElement.length) {\n            return str.get_string('movecontenttothetop', 'moodle');\n        } else {\n            return this.getElementName(afterElement)\n                .then(function(name) {\n                    return str.get_string('movecontentafter', 'moodle', name);\n                });\n        }\n    };\n\n    /**\n     * Returns the title for the move dialogue (\"Move elementY\")\n     *\n     * @public\n     * @param {jQuery} element\n     * @param {jQuery} handler\n     * @return {Promise}\n     */\n    SortableList.prototype.getMoveDialogueTitle = function(element, handler) {\n        if (handler.attr('title')) {\n            return $.Deferred().resolve(handler.attr('title'));\n        }\n        return this.getElementName(element).then(function(name) {\n            return str.get_string('movecontent', 'moodle', name);\n        });\n    };\n\n    /**\n     * Returns the list of possible move destinations\n     *\n     * @private\n     * @return {Promise}\n     */\n    SortableList.prototype.getDestinationsList = function() {\n        var addedLists = [],\n            targets = $(this.config.targetListSelector),\n            destinations = $('<ul/>').addClass(CSS.keyboardDragClass),\n            result = $.when().then(function() {\n                return destinations;\n            }),\n            createLink = $.proxy(function(parentElement, beforeElement, afterElement) {\n                if (beforeElement.is(this.info.element) || afterElement.is(this.info.element)) {\n                    // Can not move before or after itself.\n                    return;\n                }\n                if ($.contains(this.info.element[0], parentElement[0])) {\n                    // Can not move to its own child.\n                    return;\n                }\n                result = result\n                .then($.proxy(function() {\n                    return this.getDestinationName(parentElement, afterElement);\n                }, this))\n                .then(function(txt) {\n                    var li = $('<li/>').appendTo(destinations);\n                    var a = $('<a href=\"#\"/>').attr('data-core_sortable_list-quickmove', 1).appendTo(li);\n                    a.data('parent-element', parentElement).data('before-element', beforeElement).text(txt);\n                    return destinations;\n                });\n            }, this),\n            addList = function() {\n                // Destination lists may be nested. We want to add all move destinations in the same\n                // order they appear on the screen for the user.\n                if ($.inArray(this, addedLists) !== -1) {\n                    return;\n                }\n                addedLists.push(this);\n                var list = $(this),\n                    children = list.children();\n                children.each(function() {\n                    var element = $(this);\n                    createLink(list, element, element.prev());\n                    // Add all nested lists.\n                    element.find(targets).each(addList);\n                });\n                createLink(list, $(), children.last());\n            };\n        targets.each(addList);\n        return result;\n    };\n\n    /**\n     * Displays the dialogue to move element.\n     * @param {jQuery} clickedElement element to return focus to after the modal is closed\n     * @private\n     */\n    SortableList.prototype.displayMoveDialogue = function(clickedElement) {\n        ModalFactory.create({\n            type: ModalFactory.types.CANCEL,\n            title: this.getMoveDialogueTitle(this.info.element, clickedElement),\n            body: this.getDestinationsList()\n        }).then($.proxy(function(modal) {\n            var quickMoveHandler = $.proxy(function(e) {\n                e.preventDefault();\n                e.stopPropagation();\n                this.moveElement($(e.currentTarget).data('parent-element'), $(e.currentTarget).data('before-element'));\n                this.info.endTime = new Date().getTime();\n                this.info.positionChanged = this.hasPositionChanged(this.info);\n                this.info.dropped = true;\n                clickedElement.focus();\n                this.executeCallback(SortableList.EVENTS.DROP);\n                modal.hide();\n            }, this);\n            modal.getRoot().on('click', '[data-core_sortable_list-quickmove]', quickMoveHandler);\n            modal.getRoot().on(ModalEvents.hidden, $.proxy(function() {\n                // Always destroy when hidden, it is generated dynamically each time.\n                modal.getRoot().off('click', '[data-core_sortable_list-quickmove]', quickMoveHandler);\n                modal.destroy();\n                this.finishDragging();\n            }, this));\n            modal.setLarge();\n            modal.show();\n            return modal;\n        }, this)).catch(Notification.exception);\n    };\n\n    return SortableList;\n\n});\n"],"file":"sortable_list.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle list items drag and drop\n *\n * Example of usage:\n *\n * Create a list (for example <ul> or <tbody>) where each draggable element has a drag handle.\n * The best practice is to use the template core/drag_handle:\n * $OUTPUT->render_from_template('core/drag_handle', ['movetitle' => get_string('movecontent', 'moodle', ELEMENTNAME)]);\n *\n * Attach this JS module to this list:\n *\n * Space between define and ( critical in comment but not allowed in code in order to function\n * correctly with Moodle's requirejs.php\n *\n * define (['jquery', 'core/sortable_list'], function($, SortableList) {\n *     var list = new SortableList('ul.my-awesome-list'); // source list (usually <ul> or <tbody>) - selector or element\n *\n *     // Listen to the events when element is dragged.\n *     $('ul.my-awesome-list > *').on(SortableList.EVENTS.DROP, function(evt, info) {\n *         console.log(info);\n *     });\n *\n *     // Advanced usage. Overwrite methods getElementName, getDestinationName, moveDialogueTitle, for example:\n *     list.getElementName = function(element) {\n *         return $.Deferred().resolve(element.attr('data-name'));\n *     }\n * }\n *\n * More details: https://docs.moodle.org/dev/Sortable_list\n *\n * For the full list of possible parameters see var defaultParameters below.\n *\n * The following jQuery events are fired:\n * - SortableList.EVENTS.DRAGSTART : when user started dragging a list element\n * - SortableList.EVENTS.DRAG : when user dragged a list element to a new position\n * - SortableList.EVENTS.DROP : when user dropped a list element\n * - SortableList.EVENTS.DROPEND : when user finished dragging - either fired right after dropping or\n *                          if \"Esc\" was pressed during dragging\n *\n * @module     core/sortable_list\n * @class      sortable_list\n * @package    core\n * @copyright  2018 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/log', 'core/autoscroll', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/notification'],\nfunction($, log, autoScroll, str, ModalFactory, ModalEvents, Notification) {\n\n    /**\n     * Default parameters\n     *\n     * @private\n     * @type {Object}\n     */\n    var defaultParameters = {\n        targetListSelector: null,\n        moveHandlerSelector: '[data-drag-type=move]',\n        isHorizontal: false,\n        autoScroll: true\n    };\n\n    /**\n     * Class names for different elements that may be changed during sorting\n     *\n     * @private\n     * @type {Object}\n     */\n    var CSS = {\n        keyboardDragClass: 'dragdrop-keyboard-drag',\n        isDraggedClass: 'sortable-list-is-dragged',\n        currentPositionClass: 'sortable-list-current-position',\n        sourceListClass: 'sortable-list-source',\n        targetListClass: 'sortable-list-target',\n        overElementClass: 'sortable-list-over-element'\n    };\n\n    /**\n     * Test the browser support for options objects on event listeners.\n     * @return {Boolean}\n     */\n    var eventListenerOptionsSupported = function() {\n        var passivesupported = false,\n            options,\n            testeventname = \"testpassiveeventoptions\";\n\n        // Options support testing example from:\n        // https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n\n        try {\n            options = Object.defineProperty({}, \"passive\", {\n                get: function() {\n                    passivesupported = true;\n                }\n            });\n\n            // We use an event name that is not likely to conflict with any real event.\n            document.addEventListener(testeventname, options, options);\n            // We remove the event listener as we have tested the options already.\n            document.removeEventListener(testeventname, options, options);\n        } catch (err) {\n            // It's already false.\n            passivesupported = false;\n        }\n        return passivesupported;\n    };\n\n    /**\n     * Allow to create non-passive touchstart listeners and prevent page scrolling when dragging\n     * From: https://stackoverflow.com/a/48098097\n     *\n     * @type {Object}\n     */\n    var registerNotPassiveListeners = function(eventname) {\n        return {\n            setup: function(x, ns, handle) {\n                if (ns.includes('notPassive')) {\n                    this.addEventListener(eventname, handle, {passive: false});\n                    return true;\n                } else {\n                    return false;\n                }\n            }\n        };\n    };\n\n    if (eventListenerOptionsSupported) {\n        $.event.special.touchstart = registerNotPassiveListeners('touchstart');\n        $.event.special.touchmove = registerNotPassiveListeners('touchmove');\n        $.event.special.touchend = registerNotPassiveListeners('touchend');\n    }\n\n    /**\n     * Initialise sortable list.\n     *\n     * @param {(String|jQuery|Element)} root JQuery/DOM element representing sortable list (i.e. <ul>, <tbody>) or CSS selector\n     * @param {Object} config Parameters for the list. See defaultParameters above for examples.\n     * @property {(String|jQuery|Element)} config.targetListSelector target lists, by default same as root\n     * @property {String} config.moveHandlerSelector  CSS selector for a drag handle. By default '[data-drag-type=move]'\n     * @property {String} config.targetListSelector   CSS selector for target lists. By default the same as root\n     * @property {(Boolean|Function)} config.isHorizontal Set to true if the list is horizontal\n     *                                                (can also be a callback with list as an argument)\n     * @property {Boolean} config.autoScroll          Engages autoscroll module for automatic vertical scrolling of the\n     *                                                whole page, by default true\n     */\n    var SortableList = function(root, config) {\n\n        this.info = null;\n        this.proxy = null;\n        this.proxyDelta = null;\n        this.dragCounter = 0;\n        this.lastEvent = null;\n\n        this.config = $.extend({}, defaultParameters, config || {});\n        this.config.listSelector = root;\n        if (!this.config.targetListSelector) {\n            this.config.targetListSelector = root;\n        }\n        if (typeof this.config.listSelector === 'object') {\n            // The root is an element on the page. Register a listener for this element.\n            $(this.config.listSelector).on('mousedown touchstart.notPassive', $.proxy(this.dragStartHandler, this));\n        } else {\n            // The root is a CSS selector. Register a listener that picks up the element dynamically.\n            $('body').on('mousedown touchstart.notPassive', this.config.listSelector, $.proxy(this.dragStartHandler, this));\n        }\n        if (this.config.moveHandlerSelector !== null) {\n            $('body').on('click keypress', this.config.moveHandlerSelector, $.proxy(this.clickHandler, this));\n        }\n\n    };\n\n    /**\n     * Events fired by this entity\n     *\n     * @public\n     * @type {Object}\n     */\n    SortableList.EVENTS = {\n        DRAGSTART: 'sortablelist-dragstart',\n        DRAG: 'sortablelist-drag',\n        DROP: 'sortablelist-drop',\n        DRAGEND: 'sortablelist-dragend'\n    };\n\n    /**\n     * Resets the temporary classes assigned during dragging\n     * @private\n     */\n     SortableList.prototype.resetDraggedClasses = function() {\n        var classes = [\n            CSS.isDraggedClass,\n            CSS.currentPositionClass,\n            CSS.overElementClass,\n            CSS.targetListClass,\n        ];\n        for (var i in classes) {\n            $('.' + classes[i]).removeClass(classes[i]);\n        }\n        if (this.proxy) {\n            this.proxy.remove();\n            this.proxy = $();\n        }\n    };\n\n    /**\n     * Calculates evt.pageX, evt.pageY, evt.clientX and evt.clientY\n     *\n     * For touch events pageX and pageY are taken from the first touch;\n     * For the emulated mousemove event they are taken from the last real event.\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.calculatePositionOnPage = function(evt) {\n\n        if (evt.originalEvent && evt.originalEvent.touches && evt.originalEvent.touches[0] !== undefined) {\n            // This is a touchmove or touchstart event, get position from the first touch position.\n            var touch = evt.originalEvent.touches[0];\n            evt.pageX = touch.pageX;\n            evt.pageY = touch.pageY;\n        }\n\n        if (evt.pageX === undefined) {\n            // Information is not present in case of touchend or when event was emulated by autoScroll.\n            // Take the absolute mouse position from the last event.\n            evt.pageX = this.lastEvent.pageX;\n            evt.pageY = this.lastEvent.pageY;\n        } else {\n            this.lastEvent = evt;\n        }\n\n        if (evt.clientX === undefined) {\n            // If not provided in event calculate relative mouse position.\n            evt.clientX = Math.round(evt.pageX - $(window).scrollLeft());\n            evt.clientY = Math.round(evt.pageY - $(window).scrollTop());\n        }\n    };\n\n    /**\n     * Handler from dragstart event\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragStartHandler = function(evt) {\n        if (this.info !== null) {\n            if (this.info.type === 'click' || this.info.type === 'touchend') {\n                // Ignore double click.\n                return;\n            }\n            // Mouse down or touch while already dragging, cancel previous dragging.\n            this.moveElement(this.info.sourceList, this.info.sourceNextElement);\n            this.finishDragging();\n        }\n\n        if (evt.type === 'mousedown' && evt.which !== 1) {\n            // We only need left mouse click. If this is a mousedown event with right/middle click ignore it.\n            return;\n        }\n\n        this.calculatePositionOnPage(evt);\n        var movedElement = $(evt.target).closest($(evt.currentTarget).children());\n        if (!movedElement.length) {\n            // Can't find the element user wants to drag. They clicked on the list but outside of any element of the list.\n            return;\n        }\n\n        // Check that we grabbed the element by the handle.\n        if (this.config.moveHandlerSelector !== null) {\n            if (!$(evt.target).closest(this.config.moveHandlerSelector, movedElement).length) {\n                return;\n            }\n        }\n\n        evt.stopPropagation();\n        evt.preventDefault();\n\n        // Information about moved element with original location.\n        // This object is passed to event observers.\n        this.dragCounter++;\n        this.info = {\n            element: movedElement,\n            sourceNextElement: movedElement.next(),\n            sourceList: movedElement.parent(),\n            targetNextElement: movedElement.next(),\n            targetList: movedElement.parent(),\n            type: evt.type,\n            dropped: false,\n            startX: evt.pageX,\n            startY: evt.pageY,\n            startTime: new Date().getTime()\n        };\n\n        $(this.config.targetListSelector).addClass(CSS.targetListClass);\n\n        var offset = movedElement.offset();\n        movedElement.addClass(CSS.currentPositionClass);\n        this.proxyDelta = {x: offset.left - evt.pageX, y: offset.top - evt.pageY};\n        this.proxy = $();\n        var thisDragCounter = this.dragCounter;\n        setTimeout($.proxy(function() {\n            // This mousedown event may in fact be a beginning of a 'click' event. Use timeout before showing the\n            // dragged object so we can catch click event. When timeout finishes make sure that click event\n            // has not happened during this half a second.\n            // Verify dragcounter to make sure the user did not manage to do two very fast drag actions one after another.\n            if (this.info === null || this.info.type === 'click' || this.info.type === 'keypress'\n                    || this.dragCounter !== thisDragCounter) {\n                return;\n            }\n\n            // Create a proxy - the copy of the dragged element that moves together with a mouse.\n            this.createProxy();\n        }, this), 500);\n\n        // Start drag.\n        $(window).on('mousemove touchmove.notPassive mouseup touchend.notPassive', $.proxy(this.dragHandler, this));\n        $(window).on('keypress', $.proxy(this.dragcancelHandler, this));\n\n        // Start autoscrolling. Every time the page is scrolled emulate the mousemove event.\n        if (this.config.autoScroll) {\n            autoScroll.start(function() {\n                $(window).trigger('mousemove');\n            });\n        }\n\n       this.executeCallback(SortableList.EVENTS.DRAGSTART);\n    };\n\n    /**\n     * Creates a \"proxy\" object - a copy of the element that is being moved that always follows the mouse\n     * @private\n     */\n    SortableList.prototype.createProxy = function() {\n        this.proxy = this.info.element.clone();\n        this.info.sourceList.append(this.proxy);\n        this.proxy.removeAttr('id').removeClass(CSS.currentPositionClass)\n            .addClass(CSS.isDraggedClass).css({position: 'fixed'});\n        this.proxy.offset({top: this.proxyDelta.y + this.lastEvent.pageY, left: this.proxyDelta.x + this.lastEvent.pageX});\n    };\n\n    /**\n     * Handler for click event - when user clicks on the drag handler or presses Enter on keyboard\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.clickHandler = function(evt) {\n        if (evt.type === 'keypress' && evt.originalEvent.keyCode !== 13 && evt.originalEvent.keyCode !== 32) {\n            return;\n        }\n        if (this.info !== null) {\n            // Ignore double click.\n            return;\n        }\n\n        // Find the element that this draghandle belongs to.\n        var clickedElement = $(evt.target).closest(this.config.moveHandlerSelector),\n            sourceList = clickedElement.closest(this.config.listSelector),\n            movedElement = clickedElement.closest(sourceList.children());\n        if (!movedElement.length) {\n            return;\n        }\n\n        evt.preventDefault();\n        evt.stopPropagation();\n\n        // Store information about moved element with original location.\n        this.dragCounter++;\n        this.info = {\n            element: movedElement,\n            sourceNextElement: movedElement.next(),\n            sourceList: sourceList,\n            targetNextElement: movedElement.next(),\n            targetList: sourceList,\n            dropped: false,\n            type: evt.type,\n            startTime: new Date().getTime()\n        };\n\n        this.executeCallback(SortableList.EVENTS.DRAGSTART);\n        this.displayMoveDialogue(clickedElement);\n    };\n\n    /**\n     * Finds the position of the mouse inside the element - on the top, on the bottom, on the right or on the left\\\n     *\n     * Used to determine if the moved element should be moved after or before the current element\n     *\n     * @private\n     * @param {Number} pageX\n     * @param {Number} pageY\n     * @param {jQuery} element\n     * @returns {(Object|null)}\n     */\n    SortableList.prototype.getPositionInNode = function(pageX, pageY, element) {\n        if (!element.length) {\n            return null;\n        }\n        var node = element[0],\n            offset = 0,\n            rect = node.getBoundingClientRect(),\n            y = pageY - (rect.top + window.scrollY),\n            x = pageX - (rect.left + window.scrollX);\n        if (x >= -offset && x <= rect.width + offset && y >= -offset && y <= rect.height + offset) {\n            return {\n                x: x,\n                y: y,\n                xRatio: rect.width ? (x / rect.width) : 0,\n                yRatio: rect.height ? (y / rect.height) : 0\n            };\n        }\n        return null;\n    };\n\n    /**\n     * Check if list is horizontal\n     *\n     * @param {jQuery} element\n     * @return {Boolean}\n     */\n    SortableList.prototype.isListHorizontal = function(element) {\n        var isHorizontal = this.config.isHorizontal;\n        if (isHorizontal === true || isHorizontal === false) {\n            return isHorizontal;\n        }\n        return isHorizontal(element);\n    };\n\n    /**\n     * Handler for events mousemove touchmove mouseup touchend\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragHandler = function(evt) {\n\n        evt.preventDefault();\n        evt.stopPropagation();\n\n        this.calculatePositionOnPage(evt);\n\n        // We can not use evt.target here because it will most likely be our proxy.\n        // Move the proxy out of the way so we can find the element at the current mouse position.\n        this.proxy.offset({top: -1000, left: -1000});\n        // Find the element at the current mouse position.\n        var element = $(document.elementFromPoint(evt.clientX, evt.clientY));\n\n        // Find the list element and the list over the mouse position.\n        var mainElement = this.info.element[0],\n            isNotSelf = function() {\n                return this !== mainElement;\n            },\n            current = element.closest('.' + CSS.targetListClass + ' > :not(.' + CSS.isDraggedClass + ')').filter(isNotSelf),\n            currentList = element.closest('.' + CSS.targetListClass),\n            proxy = this.proxy,\n            isNotProxy = function() {\n                return !proxy || !proxy.length || this !== proxy[0];\n            };\n\n        // Add the specified class to the list element we are hovering.\n        $('.' + CSS.overElementClass).removeClass(CSS.overElementClass);\n        current.addClass(CSS.overElementClass);\n\n        // Move proxy to the current position.\n        this.proxy.offset({top: this.proxyDelta.y + evt.pageY, left: this.proxyDelta.x + evt.pageX});\n\n        if (currentList.length && !currentList.children().filter(isNotProxy).length) {\n            // Mouse is over an empty list.\n            this.moveElement(currentList, $());\n        } else if (current.length === 1 && !this.info.element.find(current[0]).length) {\n            // Mouse is over an element in a list - find whether we should move the current position\n            // above or below this element.\n            var coordinates = this.getPositionInNode(evt.pageX, evt.pageY, current);\n            if (coordinates) {\n                var parent = current.parent(),\n                    ratio = this.isListHorizontal(parent) ? coordinates.xRatio : coordinates.yRatio,\n                    subList = current.find('.' + CSS.targetListClass),\n                    subListEmpty = !subList.children().filter(isNotProxy).filter(isNotSelf).length;\n                if (subList.length && subListEmpty && ratio > 0.2 && ratio < 0.8) {\n                    // This is an element that is a parent of an empty list and we are around the middle of this element.\n                    // Treat it as if we are over this empty list.\n                   this.moveElement(subList, $());\n                } else if (ratio > 0.5) {\n                    // Insert after this element.\n                   this.moveElement(parent, current.next().filter(isNotProxy));\n                } else {\n                    // Insert before this element.\n                   this.moveElement(parent, current);\n                }\n            }\n        }\n\n        if (evt.type === 'mouseup' || evt.type === 'touchend') {\n            // Drop the moved element.\n            this.info.endX = evt.pageX;\n            this.info.endY = evt.pageY;\n            this.info.endTime = new Date().getTime();\n            this.info.dropped = true;\n            this.info.positionChanged = this.hasPositionChanged(this.info);\n            var oldinfo = this.info;\n            this.executeCallback(SortableList.EVENTS.DROP);\n            this.finishDragging();\n\n            if (evt.type === 'touchend'\n                    && this.config.moveHandlerSelector !== null\n                    && (oldinfo.endTime - oldinfo.startTime < 500)\n                    && !oldinfo.positionChanged) {\n                // The click event is not triggered on touch screens because we call preventDefault in touchstart handler.\n                // If the touchend quickly followed touchstart without moving, consider it a \"click\".\n                this.clickHandler(evt);\n            }\n        }\n    };\n\n    /**\n     * Checks if the position of the dragged element in the list has changed\n     *\n     * @private\n     * @param {Object} info\n     * @return {Boolean}\n     */\n    SortableList.prototype.hasPositionChanged = function(info) {\n        return info.sourceList[0] !== info.targetList[0] ||\n            info.sourceNextElement.length !== info.targetNextElement.length ||\n            (info.sourceNextElement.length && info.sourceNextElement[0] !== info.targetNextElement[0]);\n    };\n\n    /**\n     * Moves the current position of the dragged element\n     *\n     * @private\n     * @param {jQuery} parentElement\n     * @param {jQuery} beforeElement\n     */\n    SortableList.prototype.moveElement = function(parentElement, beforeElement) {\n        var dragEl = this.info.element;\n        if (beforeElement.length && beforeElement[0] === dragEl[0]) {\n            // Insert before the current position of the dragged element - nothing to do.\n            return;\n        }\n        if (parentElement[0] === this.info.targetList[0] &&\n                beforeElement.length === this.info.targetNextElement.length &&\n                beforeElement[0] === this.info.targetNextElement[0]) {\n            // Insert in the same location as the current position - nothing to do.\n            return;\n        }\n\n        if (beforeElement.length) {\n            // Move the dragged element before the specified element.\n            parentElement[0].insertBefore(dragEl[0], beforeElement[0]);\n        } else if (this.proxy && this.proxy.parent().length && this.proxy.parent()[0] === parentElement[0]) {\n            // We need to move to the end of the list but the last element in this list is a proxy.\n            // Always leave the proxy in the end of the list.\n            parentElement[0].insertBefore(dragEl[0], this.proxy[0]);\n        } else {\n            // Insert in the end of a list (when proxy is in another list).\n            parentElement[0].appendChild(dragEl[0]);\n        }\n\n        // Save the current position of the dragged element in the list.\n        this.info.targetList = parentElement;\n        this.info.targetNextElement = beforeElement;\n        this.executeCallback(SortableList.EVENTS.DRAG);\n    };\n\n    /**\n     * Finish dragging (when dropped or cancelled).\n     * @private\n     */\n    SortableList.prototype.finishDragging = function() {\n        this.resetDraggedClasses();\n        if (this.config.autoScroll) {\n            autoScroll.stop();\n        }\n        $(window).off('mousemove touchmove.notPassive mouseup touchend.notPassive', $.proxy(this.dragHandler, this));\n        $(window).off('keypress', $.proxy(this.dragcancelHandler, this));\n        this.executeCallback(SortableList.EVENTS.DRAGEND);\n        this.info = null;\n    };\n\n    /**\n     * Executes callback specified in sortable list parameters\n     *\n     * @private\n     * @param {String} eventName\n     */\n    SortableList.prototype.executeCallback = function(eventName) {\n        this.info.element.trigger(eventName, this.info);\n    };\n\n    /**\n     * Handler from keypress event (cancel dragging when Esc is pressed)\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragcancelHandler = function(evt) {\n        if (evt.type !== 'keypress' || evt.originalEvent.keyCode !== 27) {\n            // Only cancel dragging when Esc was pressed.\n            return;\n        }\n        // Dragging was cancelled. Return item to the original position.\n        this.moveElement(this.info.sourceList, this.info.sourceNextElement);\n        this.finishDragging();\n    };\n\n    /**\n     * Returns the name of the current element to be used in the move dialogue\n     *\n     * @public\n     * @param {jQuery} element\n     * @return {Promise}\n     */\n    SortableList.prototype.getElementName = function(element) {\n        return $.Deferred().resolve(element.text());\n    };\n\n    /**\n     * Returns the label for the potential move destination, i.e. \"After ElementX\" or \"To the top of the list\"\n     *\n     * Note that we use \"after\" in the label for better UX\n     *\n     * @public\n     * @param {jQuery} parentElement\n     * @param {jQuery} afterElement\n     * @return {Promise}\n     */\n    SortableList.prototype.getDestinationName = function(parentElement, afterElement) {\n        if (!afterElement.length) {\n            return str.get_string('movecontenttothetop', 'moodle');\n        } else {\n            return this.getElementName(afterElement)\n                .then(function(name) {\n                    return str.get_string('movecontentafter', 'moodle', name);\n                });\n        }\n    };\n\n    /**\n     * Returns the title for the move dialogue (\"Move elementY\")\n     *\n     * @public\n     * @param {jQuery} element\n     * @param {jQuery} handler\n     * @return {Promise}\n     */\n    SortableList.prototype.getMoveDialogueTitle = function(element, handler) {\n        if (handler.attr('title')) {\n            return $.Deferred().resolve(handler.attr('title'));\n        }\n        return this.getElementName(element).then(function(name) {\n            return str.get_string('movecontent', 'moodle', name);\n        });\n    };\n\n    /**\n     * Returns the list of possible move destinations\n     *\n     * @private\n     * @return {Promise}\n     */\n    SortableList.prototype.getDestinationsList = function() {\n        var addedLists = [],\n            targets = $(this.config.targetListSelector),\n            destinations = $('<ul/>').addClass(CSS.keyboardDragClass),\n            result = $.when().then(function() {\n                return destinations;\n            }),\n            createLink = $.proxy(function(parentElement, beforeElement, afterElement) {\n                if (beforeElement.is(this.info.element) || afterElement.is(this.info.element)) {\n                    // Can not move before or after itself.\n                    return;\n                }\n                if ($.contains(this.info.element[0], parentElement[0])) {\n                    // Can not move to its own child.\n                    return;\n                }\n                result = result\n                .then($.proxy(function() {\n                    return this.getDestinationName(parentElement, afterElement);\n                }, this))\n                .then(function(txt) {\n                    var li = $('<li/>').appendTo(destinations);\n                    var a = $('<a href=\"#\"/>').attr('data-core_sortable_list-quickmove', 1).appendTo(li);\n                    a.data('parent-element', parentElement).data('before-element', beforeElement).text(txt);\n                    return destinations;\n                });\n            }, this),\n            addList = function() {\n                // Destination lists may be nested. We want to add all move destinations in the same\n                // order they appear on the screen for the user.\n                if ($.inArray(this, addedLists) !== -1) {\n                    return;\n                }\n                addedLists.push(this);\n                var list = $(this),\n                    children = list.children();\n                children.each(function() {\n                    var element = $(this);\n                    createLink(list, element, element.prev());\n                    // Add all nested lists.\n                    element.find(targets).each(addList);\n                });\n                createLink(list, $(), children.last());\n            };\n        targets.each(addList);\n        return result;\n    };\n\n    /**\n     * Displays the dialogue to move element.\n     * @param {jQuery} clickedElement element to return focus to after the modal is closed\n     * @private\n     */\n    SortableList.prototype.displayMoveDialogue = function(clickedElement) {\n        ModalFactory.create({\n            type: ModalFactory.types.CANCEL,\n            title: this.getMoveDialogueTitle(this.info.element, clickedElement),\n            body: this.getDestinationsList()\n        }).then($.proxy(function(modal) {\n            var quickMoveHandler = $.proxy(function(e) {\n                e.preventDefault();\n                e.stopPropagation();\n                this.moveElement($(e.currentTarget).data('parent-element'), $(e.currentTarget).data('before-element'));\n                this.info.endTime = new Date().getTime();\n                this.info.positionChanged = this.hasPositionChanged(this.info);\n                this.info.dropped = true;\n                clickedElement.focus();\n                this.executeCallback(SortableList.EVENTS.DROP);\n                modal.hide();\n            }, this);\n            modal.getRoot().on('click', '[data-core_sortable_list-quickmove]', quickMoveHandler);\n            modal.getRoot().on(ModalEvents.hidden, $.proxy(function() {\n                // Always destroy when hidden, it is generated dynamically each time.\n                modal.getRoot().off('click', '[data-core_sortable_list-quickmove]', quickMoveHandler);\n                modal.destroy();\n                this.finishDragging();\n            }, this));\n            modal.setLarge();\n            modal.show();\n            return modal;\n        }, this)).catch(Notification.exception);\n    };\n\n    return SortableList;\n\n});\n"],"file":"sortable_list.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/str.min.js b/lib/amd/build/str.min.js
index 3f33a1bc8c0..117335df8b3 100644
--- a/lib/amd/build/str.min.js
+++ b/lib/amd/build/str.min.js
@@ -1,2 +1,2 @@
-define ("core/str",["exports","jquery","core/ajax","core/localstorage"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.cache_strings=a.get_strings=a.get_string=void 0;b=e(b);c=e(c);d=e(d);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);if(b)d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable});c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};if(b%2){f(Object(c),!0).forEach(function(b){h(a,b,c[b])})}else if(Object.getOwnPropertyDescriptors){Object.defineProperties(a,Object.getOwnPropertyDescriptors(c))}else{f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}var i=[];a.get_string=function get_string(a,b,c,d){return j([{key:a,component:b,param:c,lang:d}]).then(function(a){return a[0]})};var j=function(a){var e=[],f=(0,b.default)("html").attr("lang").replace(/-/g,"_"),j=function(a){var b=a.key,c=a.component,d=a.lang,e=void 0===d?f:d;if(!c){c="core"}return"core_str/".concat(b,"/").concat(c,"/").concat(e)},k=a.map(function(a){var b=j(a),c=a.component,k=a.key,l=a.param,m=a.lang,n=void 0===m?f:m,o=function(a){i[b]=a;return a};if(c in M.str&&k in M.str[c]){return o(new Promise(function(a){a(M.util.get_string(k,c,l,n))}))}var p=d.default.get(b);if(p){M.str[c]=g({},M.str[c],h({},k,p));return o(new Promise(function(a){a(M.util.get_string(k,c,l,n))}))}if(b in i){return o(i[b]).then(function(){return M.util.get_string(k,c,l,n)})}else{return o(new Promise(function(a,f){e.push({methodname:"core_get_string",args:{stringid:k,stringparams:[],component:c,lang:n},done:function done(e){M.str[c]=g({},M.str[c],h({},k,e));d.default.set(b,e);a(M.util.get_string(k,c,l,n))},fail:f})}))}});if(e.length){c.default.call(e,!0,!1,!1,0,M.cfg.langrev)}return b.default.when.apply(b.default,k).then(function(){for(var a=arguments.length,b=Array(a),c=0;c<a;c++){b[c]=arguments[c]}return b})};a.get_strings=j;var k=function(a){var c=(0,b.default)("html").attr("lang").replace(/-/g,"_");a.forEach(function(a){var e=a.key,f=a.component,g=a.value,h=a.lang,j=void 0===h?c:h,k=["core_str",e,f,j].join("/");if(!(f in M.str)||!(e in M.str[f])){if(!(f in M.str)){M.str[f]={}}M.str[f][e]=g}if(!d.default.get(k)){d.default.set(k,g)}if(!(k in i)){i[k]=b.default.Deferred().resolve(g).promise()}})};a.cache_strings=k});
+define ("core/str",["exports","jquery","core/ajax","core/localstorage"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.get_strings=a.get_string=a.cache_strings=void 0;b=e(b);c=e(c);d=e(d);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?f(Object(c),!0).forEach(function(b){h(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}var i=[];a.get_string=function get_string(a,b,c,d){return j([{key:a,component:b,param:c,lang:d}]).then(function(a){return a[0]})};var j=function(a){var e=[],f=(0,b.default)("html").attr("lang").replace(/-/g,"_"),j=function(a){var b=a.key,c=a.component,d=a.lang,e=void 0===d?f:d;if(!c){c="core"}return"core_str/".concat(b,"/").concat(c,"/").concat(e)},k=a.map(function(a){var b=j(a),c=a.component,k=a.key,l=a.param,m=a.lang,n=void 0===m?f:m,o=function(a){i[b]=a;return a};if(c in M.str&&k in M.str[c]){return o(new Promise(function(a){a(M.util.get_string(k,c,l,n))}))}var p=d.default.get(b);if(p){M.str[c]=g(g({},M.str[c]),{},h({},k,p));return o(new Promise(function(a){a(M.util.get_string(k,c,l,n))}))}if(b in i){return o(i[b]).then(function(){return M.util.get_string(k,c,l,n)})}else{return o(new Promise(function(a,f){e.push({methodname:"core_get_string",args:{stringid:k,stringparams:[],component:c,lang:n},done:function done(e){M.str[c]=g(g({},M.str[c]),{},h({},k,e));d.default.set(b,e);a(M.util.get_string(k,c,l,n))},fail:f})}))}});if(e.length){c.default.call(e,!0,!1,!1,0,M.cfg.langrev)}return b.default.when.apply(b.default,k).then(function(){for(var a=arguments.length,b=Array(a),c=0;c<a;c++){b[c]=arguments[c]}return b})};a.get_strings=j;var k=function(a){var c=(0,b.default)("html").attr("lang").replace(/-/g,"_");a.forEach(function(a){var e=a.key,f=a.component,g=a.value,h=a.lang,j=void 0===h?c:h,k=["core_str",e,f,j].join("/");if(!(f in M.str)||!(e in M.str[f])){if(!(f in M.str)){M.str[f]={}}M.str[f][e]=g}if(!d.default.get(k)){d.default.set(k,g)}if(!(k in i)){i[k]=b.default.Deferred().resolve(g).promise()}})};a.cache_strings=k});
 //# sourceMappingURL=str.min.js.map
diff --git a/lib/amd/build/str.min.js.map b/lib/amd/build/str.min.js.map
index b54e114bc46..1b265a216d0 100644
--- a/lib/amd/build/str.min.js.map
+++ b/lib/amd/build/str.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  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\ No newline at end of file
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Fetch and render language strings.\n * Hooks into the old M.str global - but can also fetch missing strings on the fly.\n *\n * @module     core/str\n * @class      str\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\nimport $ from 'jquery';\nimport Ajax from 'core/ajax';\nimport LocalStorage from 'core/localstorage';\n\n// Module cache for the promises so that we don't make multiple\n// unnecessary requests.\nlet promiseCache = [];\n\n/**\n * Return a promise object that will be resolved into a string eventually (maybe immediately).\n *\n * @method get_string\n * @param {string} key The language string key\n * @param {string} component The language string component\n * @param {string} param The param for variable expansion in the string.\n * @param {string} lang The users language - if not passed it is deduced.\n * @return {Promise}\n */\nexport const get_string = (key, component, param, lang) => {\n    return get_strings([{key, component, param, lang}])\n        .then(results => results[0]);\n};\n\n/**\n * Make a batch request to load a set of strings\n *\n * @method get_strings\n * @param {Object[]} requests Array of { key: key, component: component, param: param, lang: lang };\n *                                      See get_string for more info on these args.\n * @return {Promise}\n */\nexport const get_strings = (requests) => {\n    let requestData = [];\n    const pageLang = $('html').attr('lang').replace(/-/g, '_');\n    // Helper function to construct the cache key.\n    const getCacheKey = ({key, component, lang = pageLang}) => {\n        if (!component) {\n            component = 'core';\n        }\n        return `core_str/${key}/${component}/${lang}`;\n    };\n\n    const stringPromises = requests.map((request) => {\n        const cacheKey = getCacheKey(request);\n        const {component, key, param, lang = pageLang} = request;\n        // Helper function to add the promise to cache.\n        const buildReturn = (promise) => {\n            // Make sure the promise cache contains our promise.\n            promiseCache[cacheKey] = promise;\n            return promise;\n        };\n\n        // Check if we can serve the string straight from M.str.\n        if (component in M.str && key in M.str[component]) {\n            return buildReturn(new Promise((resolve) => {\n                resolve(M.util.get_string(key, component, param, lang));\n            }));\n        }\n\n        // Check if the string is in the browser's local storage.\n        const cached = LocalStorage.get(cacheKey);\n        if (cached) {\n            M.str[component] = {...M.str[component], [key]: cached};\n            return buildReturn(new Promise((resolve) => {\n                resolve(M.util.get_string(key, component, param, lang));\n            }));\n        }\n\n        // Check if we've already loaded this string from the server.\n        if (cacheKey in promiseCache) {\n            return buildReturn(promiseCache[cacheKey]).then(() => {\n                return M.util.get_string(key, component, param, lang);\n            });\n        } else {\n            // We're going to have to ask the server for the string so\n            // add this string to the list of requests to be sent.\n            return buildReturn(new Promise((resolve, reject) => {\n                requestData.push({\n                    methodname: 'core_get_string',\n                    args: {\n                        stringid: key,\n                        stringparams: [],\n                        component,\n                        lang,\n                    },\n                    done: (str) => {\n                        // When we get the response from the server\n                        // we should update M.str and the browser's\n                        // local storage before resolving this promise.\n                        M.str[component] = {...M.str[component], [key]: str};\n                        LocalStorage.set(cacheKey, str);\n                        resolve(M.util.get_string(key, component, param, lang));\n                    },\n                    fail: reject\n                });\n            }));\n        }\n    });\n\n    if (requestData.length) {\n        // If we need to load any strings from the server then send\n        // off the request.\n        Ajax.call(requestData, true, false, false, 0, M.cfg.langrev);\n    }\n\n    // We need to use jQuery here because some calling code uses the\n    // .done handler instead of the .then handler.\n    return $.when.apply($, stringPromises)\n        .then((...strings) => strings);\n};\n\n/**\n * Add a list of strings to the caches.\n *\n * @method cache_strings\n * @param {Object[]} strings Array of { key: key, component: component, lang: lang, value: value }\n */\nexport const cache_strings = (strings) => {\n    const defaultLang = $('html').attr('lang').replace(/-/g, '_');\n\n    strings.forEach(({key, component, value, lang = defaultLang}) => {\n        const cacheKey = ['core_str', key, component, lang].join('/');\n\n        // Check M.str caching.\n        if (!(component in M.str) || !(key in M.str[component])) {\n            if (!(component in M.str)) {\n                M.str[component] = {};\n            }\n\n            M.str[component][key] = value;\n        }\n\n        // Check local storage.\n        if (!LocalStorage.get(cacheKey)) {\n            LocalStorage.set(cacheKey, value);\n        }\n\n        // Check the promises cache.\n        if (!(cacheKey in promiseCache)) {\n            promiseCache[cacheKey] = $.Deferred().resolve(value).promise();\n        }\n    });\n};\n"],"file":"str.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/toast.min.js b/lib/amd/build/toast.min.js
index 671212adcdc..5cf22c78684 100644
--- a/lib/amd/build/toast.min.js
+++ b/lib/amd/build/toast.min.js
@@ -1,2 +1,2 @@
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+define ("core/toast",["exports","core/templates","core/notification","core/pending"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.addToastRegion=a.add=void 0;b=e(b);c=e(c);d=e(d);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?f(Object(c),!0).forEach(function(b){h(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function i(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function j(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var f=a.apply(b,c);function g(a){i(f,d,e,g,h,"next",a)}function h(a){i(f,d,e,g,h,"throw",a)}g(void 0)})}}var k=function(){var a=j(regeneratorRuntime.mark(function e(a){var f,g,h,i;return regeneratorRuntime.wrap(function(e){while(1){switch(e.prev=e.next){case 0:f=new d.default("addToastRegion");e.prev=1;e.next=4;return b.default.renderForPromise("core/local/toast/wrapper",{});case 4:g=e.sent;h=g.html;i=g.js;b.default.prependNodeContents(a,h,i);e.next=13;break;case 10:e.prev=10;e.t0=e["catch"](1);c.default.exception(e.t0);case 13:f.resolve();case 14:case"end":return e.stop();}}},e,null,[[1,10]])}));return function(){return a.apply(this,arguments)}}();a.addToastRegion=k;var l=function(){var a=j(regeneratorRuntime.mark(function f(a,e){var h,i,j,k,l,n;return regeneratorRuntime.wrap(function(f){while(1){switch(f.prev=f.next){case 0:h=new d.default("addToastRegion");e=g({closeButton:!1,autohide:!0,delay:4e3},e);i="core/local/toast/message";f.prev=3;f.next=6;return m();case 6:j=f.sent;f.next=9;return b.default.renderForPromise(i,g({message:a},e));case 9:k=f.sent;l=k.html;n=k.js;b.default.prependNodeContents(j,l,n);f.next=18;break;case 15:f.prev=15;f.t0=f["catch"](3);c.default.exception(f.t0);case 18:h.resolve();case 19:case"end":return f.stop();}}},f,null,[[3,15]])}));return function(){return a.apply(this,arguments)}}();a.add=l;var m=function(){var a=j(regeneratorRuntime.mark(function a(){var b;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:b=document.querySelectorAll(".toast-wrapper");if(!b.length){a.next=3;break}return a.abrupt("return",b[b.length-1]);case 3:a.next=5;return k(document.body,"fixed-bottom");case 5:return a.abrupt("return",m());case 6:case"end":return a.stop();}}},a)}));return function(){return a.apply(this,arguments)}}()});
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diff --git a/lib/amd/build/toast.min.js.map b/lib/amd/build/toast.min.js.map
index 645a72ddf23..22192a01ab0 100644
--- a/lib/amd/build/toast.min.js.map
+++ b/lib/amd/build/toast.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/toast.js"],"names":["addToastRegion","parent","pendingPromise","Pending","Templates","renderForPromise","html","js","prependNodeContents","Notification","exception","resolve","add","message","configuration","closeButton","autohide","delay","templateName","getTargetNode","targetNode","regions","document","querySelectorAll","length","body"],"mappings":"mMAuBA,OACA,OACA,O,6jCAOO,GAAMA,CAAAA,CAAc,4CAAG,WAAMC,CAAN,+FACpBC,CADoB,CACH,GAAIC,UAAJ,CAAY,gBAAZ,CADG,yBAIGC,WAAUC,gBAAV,CAA2B,0BAA3B,CAAuD,EAAvD,CAJH,iBAIfC,CAJe,GAIfA,IAJe,CAITC,CAJS,GAITA,EAJS,CAKtBH,UAAUI,mBAAV,CAA8BP,CAA9B,CAAsCK,CAAtC,CAA4CC,CAA5C,EALsB,qDAOtBE,UAAaC,SAAb,OAPsB,QAU1BR,CAAc,CAACS,OAAf,GAV0B,uDAAH,uDAApB,C,mBAuBA,GAAMC,CAAAA,CAAG,4CAAG,WAAMC,CAAN,CAAeC,CAAf,mGACTZ,CADS,CACQ,GAAIC,UAAJ,CAAY,gBAAZ,CADR,CAEfW,CAAa,IACTC,WAAW,GADF,CAETC,QAAQ,GAFC,CAGTC,KAAK,CAAE,GAHE,EAINH,CAJM,CAAb,CAOMI,CATS,oDAWcC,CAAAA,CAAa,EAX3B,QAWLC,CAXK,uBAYchB,WAAUC,gBAAV,CAA2Ba,CAA3B,IACrBL,OAAO,CAAPA,CADqB,EAElBC,CAFkB,EAZd,iBAYJR,CAZI,GAYJA,IAZI,CAYEC,CAZF,GAYEA,EAZF,CAgBXH,UAAUI,mBAAV,CAA8BY,CAA9B,CAA0Cd,CAA1C,CAAgDC,CAAhD,EAhBW,qDAkBXE,UAAaC,SAAb,OAlBW,QAqBfR,CAAc,CAACS,OAAf,GArBe,uDAAH,uDAAT,C,QAwBP,GAAMQ,CAAAA,CAAa,4CAAG,oGACZE,CADY,CACFC,QAAQ,CAACC,gBAAT,CAA0B,gBAA1B,CADE,KAGdF,CAAO,CAACG,MAHM,0CAIPH,CAAO,CAACA,CAAO,CAACG,MAAR,CAAiB,CAAlB,CAJA,wBAOZxB,CAAAA,CAAc,CAACsB,QAAQ,CAACG,IAAV,CAAgB,cAAhB,CAPF,iCAQXN,CAAa,EARF,0CAAH,uD","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A system for displaying small snackbar notifications to users which disappear shortly after they are shown.\n *\n * @module     core/toast\n * @package    core\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Templates from 'core/templates';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\n\n/**\n * Add a new region to place toasts in, taking in a parent element.\n *\n * @param {Element} parent\n */\nexport const addToastRegion = async(parent) => {\n    const pendingPromise = new Pending('addToastRegion');\n\n    try {\n        const {html, js} = await Templates.renderForPromise('core/local/toast/wrapper', {});\n        Templates.prependNodeContents(parent, html, js);\n    } catch (e) {\n        Notification.exception(e);\n    }\n\n    pendingPromise.resolve();\n};\n\n/**\n * Add a new toast or snackbar notification to the page.\n *\n * @param {String} message\n * @param {Object} configuration\n * @param {String} [configuration.title]\n * @param {String} [configuration.subtitle]\n * @param {Bool} [configuration.autohide=true]\n * @param {Number} [configuration.delay=4000]\n */\nexport const add = async(message, configuration) => {\n    const pendingPromise = new Pending('addToastRegion');\n    configuration = {\n        closeButton: false,\n        autohide: true,\n        delay: 4000,\n        ...configuration,\n    };\n\n    const templateName = `core/local/toast/message`;\n    try {\n        const targetNode = await getTargetNode();\n        const {html, js} = await Templates.renderForPromise(templateName, {\n            message,\n            ...configuration\n        });\n        Templates.prependNodeContents(targetNode, html, js);\n    } catch (e) {\n        Notification.exception(e);\n    }\n\n    pendingPromise.resolve();\n};\n\nconst getTargetNode = async() => {\n    const regions = document.querySelectorAll('.toast-wrapper');\n\n    if (regions.length) {\n        return regions[regions.length - 1];\n    }\n\n    await addToastRegion(document.body, 'fixed-bottom');\n    return getTargetNode();\n};\n"],"file":"toast.min.js"}
\ No newline at end of file
+{"version":3,"sources":["../src/toast.js"],"names":["addToastRegion","parent","pendingPromise","Pending","Templates","renderForPromise","html","js","prependNodeContents","Notification","exception","resolve","add","message","configuration","closeButton","autohide","delay","templateName","getTargetNode","targetNode","regions","document","querySelectorAll","length","body"],"mappings":"mMAuBA,OACA,OACA,O,0iCAOO,GAAMA,CAAAA,CAAc,4CAAG,WAAMC,CAAN,+FACpBC,CADoB,CACH,GAAIC,UAAJ,CAAY,gBAAZ,CADG,yBAIGC,WAAUC,gBAAV,CAA2B,0BAA3B,CAAuD,EAAvD,CAJH,iBAIfC,CAJe,GAIfA,IAJe,CAITC,CAJS,GAITA,EAJS,CAKtBH,UAAUI,mBAAV,CAA8BP,CAA9B,CAAsCK,CAAtC,CAA4CC,CAA5C,EALsB,qDAOtBE,UAAaC,SAAb,OAPsB,QAU1BR,CAAc,CAACS,OAAf,GAV0B,uDAAH,uDAApB,C,mBAuBA,GAAMC,CAAAA,CAAG,4CAAG,WAAMC,CAAN,CAAeC,CAAf,mGACTZ,CADS,CACQ,GAAIC,UAAJ,CAAY,gBAAZ,CADR,CAEfW,CAAa,IACTC,WAAW,GADF,CAETC,QAAQ,GAFC,CAGTC,KAAK,CAAE,GAHE,EAINH,CAJM,CAAb,CAOMI,CATS,oDAWcC,CAAAA,CAAa,EAX3B,QAWLC,CAXK,uBAYchB,WAAUC,gBAAV,CAA2Ba,CAA3B,IACrBL,OAAO,CAAPA,CADqB,EAElBC,CAFkB,EAZd,iBAYJR,CAZI,GAYJA,IAZI,CAYEC,CAZF,GAYEA,EAZF,CAgBXH,UAAUI,mBAAV,CAA8BY,CAA9B,CAA0Cd,CAA1C,CAAgDC,CAAhD,EAhBW,qDAkBXE,UAAaC,SAAb,OAlBW,QAqBfR,CAAc,CAACS,OAAf,GArBe,uDAAH,uDAAT,C,QAwBP,GAAMQ,CAAAA,CAAa,4CAAG,oGACZE,CADY,CACFC,QAAQ,CAACC,gBAAT,CAA0B,gBAA1B,CADE,KAGdF,CAAO,CAACG,MAHM,0CAIPH,CAAO,CAACA,CAAO,CAACG,MAAR,CAAiB,CAAlB,CAJA,wBAOZxB,CAAAA,CAAc,CAACsB,QAAQ,CAACG,IAAV,CAAgB,cAAhB,CAPF,iCAQXN,CAAa,EARF,0CAAH,uD","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A system for displaying small snackbar notifications to users which disappear shortly after they are shown.\n *\n * @module     core/toast\n * @package    core\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Templates from 'core/templates';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\n\n/**\n * Add a new region to place toasts in, taking in a parent element.\n *\n * @param {Element} parent\n */\nexport const addToastRegion = async(parent) => {\n    const pendingPromise = new Pending('addToastRegion');\n\n    try {\n        const {html, js} = await Templates.renderForPromise('core/local/toast/wrapper', {});\n        Templates.prependNodeContents(parent, html, js);\n    } catch (e) {\n        Notification.exception(e);\n    }\n\n    pendingPromise.resolve();\n};\n\n/**\n * Add a new toast or snackbar notification to the page.\n *\n * @param {String} message\n * @param {Object} configuration\n * @param {String} [configuration.title]\n * @param {String} [configuration.subtitle]\n * @param {Bool} [configuration.autohide=true]\n * @param {Number} [configuration.delay=4000]\n */\nexport const add = async(message, configuration) => {\n    const pendingPromise = new Pending('addToastRegion');\n    configuration = {\n        closeButton: false,\n        autohide: true,\n        delay: 4000,\n        ...configuration,\n    };\n\n    const templateName = `core/local/toast/message`;\n    try {\n        const targetNode = await getTargetNode();\n        const {html, js} = await Templates.renderForPromise(templateName, {\n            message,\n            ...configuration\n        });\n        Templates.prependNodeContents(targetNode, html, js);\n    } catch (e) {\n        Notification.exception(e);\n    }\n\n    pendingPromise.resolve();\n};\n\nconst getTargetNode = async() => {\n    const regions = document.querySelectorAll('.toast-wrapper');\n\n    if (regions.length) {\n        return regions[regions.length - 1];\n    }\n\n    await addToastRegion(document.body, 'fixed-bottom');\n    return getTargetNode();\n};\n"],"file":"toast.min.js"}
\ No newline at end of file
diff --git a/lib/amd/build/utils.min.js b/lib/amd/build/utils.min.js
index ba55c9c9e28..cac6dac72a3 100644
--- a/lib/amd/build/utils.min.js
+++ b/lib/amd/build/utils.min.js
@@ -1,2 +1,2 @@
-define ("core/utils",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.debounce=a.throttle=void 0;a.throttle=function throttle(a,b){var c=!1,d=null,e=function(){for(var f=arguments.length,g=Array(f),h=0;h<f;h++){g[h]=arguments[h]}if(null===d){d=!1}else{d=!0}if(c){return}a.apply(this,g);c=!0;setTimeout(function(){var a=d;c=!1;d=null;if(a){e(g)}},b)};return e};a.debounce=function debounce(a,b){var c=null;return function(){for(var d=this,e=arguments.length,f=Array(e),g=0;g<e;g++){f[g]=arguments[g]}clearTimeout(c);c=setTimeout(function(){a.apply(d,f)},b)}}});
+define ("core/utils",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.throttle=a.debounce=void 0;a.throttle=function throttle(a,b){var c=!1,d=null,e=function(){for(var f=arguments.length,g=Array(f),h=0;h<f;h++){g[h]=arguments[h]}if(null===d){d=!1}else{d=!0}if(c){return}a.apply(this,g);c=!0;setTimeout(function(){var a=d;c=!1;d=null;if(a){e(g)}},b)};return e};a.debounce=function debounce(a,b){var c=null;return function(){for(var d=this,e=arguments.length,f=Array(e),g=0;g<e;g++){f[g]=arguments[g]}clearTimeout(c);c=setTimeout(function(){a.apply(d,f)},b)}}});
 //# sourceMappingURL=utils.min.js.map
diff --git a/lib/editor/atto/plugins/accessibilitychecker/yui/build/moodle-atto_accessibilitychecker-button/moodle-atto_accessibilitychecker-button-min.js b/lib/editor/atto/plugins/accessibilitychecker/yui/build/moodle-atto_accessibilitychecker-button/moodle-atto_accessibilitychecker-button-min.js
index dd5aa31602f..e59fd350162 100644
--- a/lib/editor/atto/plugins/accessibilitychecker/yui/build/moodle-atto_accessibilitychecker-button/moodle-atto_accessibilitychecker-button-min.js
+++ b/lib/editor/atto/plugins/accessibilitychecker/yui/build/moodle-atto_accessibilitychecker-button/moodle-atto_accessibilitychecker-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_accessibilitychecker-button",function(u,t){var h="atto_accessibilitychecker";u.namespace("M.atto_accessibilitychecker").Button=u.Base.create("button",u.M.editor_atto.EditorPlugin,[],{initializer:function(){this.addButton({icon:"e/accessibility_checker",callback:this._displayDialogue})},_displayDialogue:function(){this.getDialogue({headerContent:M.util.get_string("pluginname",h),width:"500px",focusAfterHide:!0}).set("bodyContent",this._getDialogueContent()).show()},_getDialogueContent:function(){var t=u.Node.create('<div style="word-wrap: break-word;"></div>');return t.append(this._getWarnings()),t.delegate("click",function(t){t.preventDefault();var e=this.get("host"),i=t.currentTarget.getData("sourceNode"),r=this.getDialogue();i?(r.set("focusAfterHide",this.editor).hide(),e.setSelection(e.getSelectionFromNode(i))):r.hide()},"a",this),t},_getWarnings:function(){var s,t=u.Node.create("<div></div>");return s=[],this.editor.all("img").each(function(t){var e=t.getAttribute("alt");void 0!==e&&""!==e||"presentation"!==t.getAttribute("role")&&s.push(t)},this),this._addWarnings(t,M.util.get_string("imagesmissingalt",h),s,!0),s=[],this.editor.all("*").each(function(t){var e,i,r,o,n,a;if(""!==u.Lang.trim(t.get("text"))&&(e=u.Color.fromArray(this._getComputedBackgroundColor(t,t.getComputedStyle("color")),u.Color.TYPES.RGBA),i=u.Color.fromArray(this._getComputedBackgroundColor(t),u.Color.TYPES.RGBA),r=this._getLuminanceFromCssColor(e),((o=this._getLuminanceFromCssColor(i))<r?(r+.05)/(o+.05):(o+.05)/(r+.05))<=4.5)){for(a=!1,n=n=0;n<s.length;n++){if(-1!==t.ancestors("*").indexOf(s[n])){a=!0;break}if(-1!==s[n].ancestors("*").indexOf(t)){s[n]=t,a=!0;break}}a||s.push(t)}},this),this._addWarnings(t,M.util.get_string("needsmorecontrast",h),s,!1),1e3<this.editor.get("text").length&&!this.editor.one("h3, h4, h5")&&this._addWarnings(t,M.util.get_string("needsmoreheadings",h),[this.editor],!1),s=[],this.editor.all("table").each(function(t){var e=t.one("caption");null!==e&&""!==e.get("text").trim()||s.push(t)},this),this._addWarnings(t,M.util.get_string("tablesmissingcaption",h),s,!1),s=[],this.editor.all("table").each(function(t){null!==t.one("[colspan],[rowspan]")&&s.push(t)},this),this._addWarnings(t,M.util.get_string("tableswithmergedcells",h),s,!1),s=[],this.editor.all("table").each(function(i){if(i.one("tr").one("td"))i.all("tr").some(function(t){var e=t.one("th");return(!e||""===e.get("text").trim())&&(s.push(i),!0)},this);else{var e=!1;i.one("tr").all("th").some(function(t){return e=!0,""===t.get("text").trim()&&(s.push(i),!0)}),e||s.push(i)}},this),this._addWarnings(t,M.util.get_string("tablesmissingheaders",h),s,!1),t.hasChildNodes()||t.append("<p>"+M.util.get_string("nowarnings",h)+"</p>"),t},_addWarnings:function(t,e,i,r){var o,n,a,s,l,d,g,c;if(0<i.length){for(o=u.Node.create("<p>"+e+"</p>"),n=u.Node.create('<ol class="accessibilitywarnings"></ol>'),a=a=0;a<i.length;a++)d=u.Node.create("<li></li>"),(g=r?(s=i[a].getAttribute("src"),u.Node.create('<a href="#"><img src="'+s+'" /> '+s+"</a>")):(l="innerText"in i[a]?"innerText":"textContent",""===(c=i[a].get(l).trim())&&(c=M.util.get_string("emptytext",h)),i[a]===this.editor&&(c=M.util.get_string("entiredocument",h)),u.Node.create('<a href="#">'+c+"</a>"))).setData("sourceNode",i[a]),d.append(g),n.append(d);o.append(n),t.append(o)}},_getLuminanceFromCssColor:function(t){var e,i;return"transparent"===t&&(t="#ffffff"),.2126*(i=function(t){return(t=parseInt(t,10)/255)<=.03928?t/=12.92:t=Math.pow((t+.055)/1.055,2.4),t})((e=u.Color.toArray(u.Color.toRGB(t)))[0])+.7152*i(e[1])+.0722*i(e[2])},_getComputedBackgroundColor:function(t,e){var i,r,o;return"transparent"===(e=e||t.getComputedStyle("backgroundColor")).toLowerCase()&&(e="rgba(1, 1, 1, 0)"),1===(r=(i=u.Color.toArray(e))[3])?i:[(1-r)*(o=this._getComputedBackgroundColor(t.get("parentNode")))[0]+r*i[0],(1-r)*o[1]+r*i[1],(1-r)*o[2]+r*i[2],1]}})},"@VERSION@",{requires:["color-base","moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_accessibilitychecker-button",function(d,t){var g="atto_accessibilitychecker";d.namespace("M.atto_accessibilitychecker").Button=d.Base.create("button",d.M.editor_atto.EditorPlugin,[],{initializer:function(){this.addButton({icon:"e/accessibility_checker",callback:this._displayDialogue})},_displayDialogue:function(){this.getDialogue({headerContent:M.util.get_string("pluginname",g),width:"500px",focusAfterHide:!0}).set("bodyContent",this._getDialogueContent()).show()},_getDialogueContent:function(){var t=d.Node.create('<div style="word-wrap: break-word;"></div>');return t.append(this._getWarnings()),t.delegate("click",function(t){t.preventDefault();var e=this.get("host"),t=t.currentTarget.getData("sourceNode"),i=this.getDialogue();t?(i.set("focusAfterHide",this.editor).hide(),e.setSelection(e.getSelectionFromNode(t))):i.hide()},"a",this),t},_getWarnings:function(){var t=d.Node.create("<div></div>"),n=[];return this.editor.all("img").each(function(t){var e=t.getAttribute("alt");void 0!==e&&""!==e||"presentation"!==t.getAttribute("role")&&n.push(t)},this),this._addWarnings(t,M.util.get_string("imagesmissingalt",g),n,!0),n=[],this.editor.all("*").each(function(t){var e,i,r,o;if(""!==d.Lang.trim(t.get("text"))&&(e=d.Color.fromArray(this._getComputedBackgroundColor(t,t.getComputedStyle("color")),d.Color.TYPES.RGBA),i=d.Color.fromArray(this._getComputedBackgroundColor(t),d.Color.TYPES.RGBA),e=this._getLuminanceFromCssColor(e),((i=this._getLuminanceFromCssColor(i))<e?(e+.05)/(i+.05):(i+.05)/(e+.05))<=4.5)){for(o=!1,r=r=0;r<n.length;r++){if(-1!==t.ancestors("*").indexOf(n[r])){o=!0;break}if(-1!==n[r].ancestors("*").indexOf(t)){n[r]=t,o=!0;break}}o||n.push(t)}},this),this._addWarnings(t,M.util.get_string("needsmorecontrast",g),n,!1),1e3<this.editor.get("text").length&&!this.editor.one("h3, h4, h5")&&this._addWarnings(t,M.util.get_string("needsmoreheadings",g),[this.editor],!1),n=[],this.editor.all("table").each(function(t){var e=t.one("caption");null!==e&&""!==e.get("text").trim()||n.push(t)},this),this._addWarnings(t,M.util.get_string("tablesmissingcaption",g),n,!1),n=[],this.editor.all("table").each(function(t){null!==t.one("[colspan],[rowspan]")&&n.push(t)},this),this._addWarnings(t,M.util.get_string("tableswithmergedcells",g),n,!1),n=[],this.editor.all("table").each(function(e){var i;e.one("tr").one("td")?e.all("tr").some(function(t){t=t.one("th");return(!t||""===t.get("text").trim())&&(n.push(e),!0)},this):(i=!1,e.one("tr").all("th").some(function(t){return i=!0,""===t.get("text").trim()&&(n.push(e),!0)}),i||n.push(e))},this),this._addWarnings(t,M.util.get_string("tablesmissingheaders",g),n,!1),t.hasChildNodes()||t.append("<p>"+M.util.get_string("nowarnings",g)+"</p>"),t},_addWarnings:function(t,e,i,r){var o,n,a,s,l;if(0<i.length){for(e=d.Node.create("<p>"+e+"</p>"),o=d.Node.create('<ol class="accessibilitywarnings"></ol>'),n=n=0;n<i.length;n++)s=d.Node.create("<li></li>"),(l=r?(a=i[n].getAttribute("src"),d.Node.create('<a href="#"><img src="'+a+'" /> '+a+"</a>")):(a="innerText"in i[n]?"innerText":"textContent",""===(l=i[n].get(a).trim())&&(l=M.util.get_string("emptytext",g)),i[n]===this.editor&&(l=M.util.get_string("entiredocument",g)),d.Node.create('<a href="#">'+l+"</a>"))).setData("sourceNode",i[n]),s.append(l),o.append(s);e.append(o),t.append(e)}},_getLuminanceFromCssColor:function(t){var e;return.2126*(e=function(t){return(t=parseInt(t,10)/255)<=.03928?t/=12.92:t=Math.pow((t+.055)/1.055,2.4),t})((t=d.Color.toArray(d.Color.toRGB(t="transparent"===t?"#ffffff":t)))[0])+.7152*e(t[1])+.0722*e(t[2])},_getComputedBackgroundColor:function(t,e){var i;return"transparent"===(e=e||t.getComputedStyle("backgroundColor")).toLowerCase()&&(e="rgba(1, 1, 1, 0)"),1===(i=(e=d.Color.toArray(e))[3])?e:[(1-i)*(t=this._getComputedBackgroundColor(t.get("parentNode")))[0]+i*e[0],(1-i)*t[1]+i*e[1],(1-i)*t[2]+i*e[2],1]}})},"@VERSION@",{requires:["color-base","moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/accessibilityhelper/yui/build/moodle-atto_accessibilityhelper-button/moodle-atto_accessibilityhelper-button-min.js b/lib/editor/atto/plugins/accessibilityhelper/yui/build/moodle-atto_accessibilityhelper-button/moodle-atto_accessibilityhelper-button-min.js
index 6f2131df12d..ccabc14a3e8 100644
--- a/lib/editor/atto/plugins/accessibilityhelper/yui/build/moodle-atto_accessibilityhelper-button/moodle-atto_accessibilityhelper-button-min.js
+++ b/lib/editor/atto/plugins/accessibilityhelper/yui/build/moodle-atto_accessibilityhelper-button/moodle-atto_accessibilityhelper-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_accessibilityhelper-button",function(a,e){var n="atto_accessibilityhelper",i={STYLESLABEL:n+"_styleslabel",LINKSLABEL:n+"_linkslabel",IMAGESLABEL:n+"_imageslabel"};a.namespace("M.atto_accessibilityhelper").Button=a.Base.create("button",a.M.editor_atto.EditorPlugin,[],{initializer:function(){this.addButton({icon:"e/screenreader_helper",callback:this._displayDialogue})},_displayDialogue:function(){this.getDialogue({headerContent:M.util.get_string("pluginname",n),width:"800px",focusAfterHide:!0}).set("bodyContent",this._getDialogueContent()).show()},_getDialogueContent:function(){var e=a.Handlebars.compile('<div><p id="{{elementid}}_{{CSS.STYLESLABEL}}">{{get_string "liststyles" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.STYLESLABEL}}" /></p></div><span class="listStyles"></span><p id="{{elementid}}_{{CSS.LINKSLABEL}}">{{get_string "listlinks" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.LINKSLABEL}}"/></p><span class="listLinks"></span><p id="{{elementid}}_{{CSS.IMAGESLABEL}}">{{get_string "listimages" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.IMAGESLABEL}}"/></p><span class="listImages"></span>'),t=a.Node.create(e({CSS:i,component:n}));return t.one(".listStyles").empty().appendChild(this._listStyles()),t.one(".listLinks").empty().appendChild(this._listLinks()),t.one(".listImages").empty().appendChild(this._listImages()),t},_listStyles:function(){var e,t=[],i=this.get("host").getSelectionParentNode();for(i=i&&a.one(i);i&&i!==this.editor;)void 0!==(e=i.get("tagName"))&&t.push(a.Escape.html(e)),i=i.ancestor();return 0===t.length&&t.push(M.util.get_string("nostyles",n)),t.reverse(),t.join(", ")},_listLinks:function(){var t,i,l=a.Node.create("<ol />");return this.editor.all("a").each(function(e){(i=a.Node.create('<a href="#" title="'+M.util.get_string("selectlink",n)+'">'+a.Escape.html(e.get("text"))+"</a>")).setData("sourcelink",e),i.on("click",this._linkSelected,this),(t=a.Node.create("<li></li>")).appendChild(i),l.appendChild(t)},this),l.hasChildNodes()||l.append("<li>"+M.util.get_string("nolinks",n)+"</li>"),l},_listImages:function(){var i,l,s=a.Node.create("<ol/>");return this.editor.all("img").each(function(e){var t=e.getAttribute("alt");""===t&&""===(t=e.getAttribute("title"))&&(t=e.getAttribute("src")),(l=a.Node.create('<a href="#" title="'+M.util.get_string("selectimage",n)+'">'+a.Escape.html(t)+"</a>")).setData("sourceimage",e),l.on("click",this._imageSelected,this),(i=a.Node.create("<li></li>")).append(l),s.append(i)},this),s.hasChildNodes()||s.append("<li>"+M.util.get_string("noimages",n)+"</li>"),s},_imageSelected:function(e){e.preventDefault(),this.getDialogue({focusAfterNode:null}).hide();var t=this.get("host"),i=e.target.getData("sourceimage");this.editor.focus(),t.setSelection(t.getSelectionFromNode(i))},_linkSelected:function(e){e.preventDefault(),this.getDialogue({focusAfterNode:null}).hide();var t=this.get("host"),i=e.target.getData("sourcelink");this.editor.focus(),t.setSelection(t.getSelectionFromNode(i))}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_accessibilityhelper-button",function(a,e){var n="atto_accessibilityhelper",t={STYLESLABEL:n+"_styleslabel",LINKSLABEL:n+"_linkslabel",IMAGESLABEL:n+"_imageslabel"};a.namespace("M.atto_accessibilityhelper").Button=a.Base.create("button",a.M.editor_atto.EditorPlugin,[],{initializer:function(){this.addButton({icon:"e/screenreader_helper",callback:this._displayDialogue})},_displayDialogue:function(){this.getDialogue({headerContent:M.util.get_string("pluginname",n),width:"800px",focusAfterHide:!0}).set("bodyContent",this._getDialogueContent()).show()},_getDialogueContent:function(){var e=a.Handlebars.compile('<div><p id="{{elementid}}_{{CSS.STYLESLABEL}}">{{get_string "liststyles" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.STYLESLABEL}}" /></p></div><span class="listStyles"></span><p id="{{elementid}}_{{CSS.LINKSLABEL}}">{{get_string "listlinks" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.LINKSLABEL}}"/></p><span class="listLinks"></span><p id="{{elementid}}_{{CSS.IMAGESLABEL}}">{{get_string "listimages" component}}<br/><span aria-labelledby="{{elementid}}_{{CSS.IMAGESLABEL}}"/></p><span class="listImages"></span>'),e=a.Node.create(e({CSS:t,component:n}));return e.one(".listStyles").empty().appendChild(this._listStyles()),e.one(".listLinks").empty().appendChild(this._listLinks()),e.one(".listImages").empty().appendChild(this._listImages()),e},_listStyles:function(){for(var e,t=[],i=(i=this.get("host").getSelectionParentNode())&&a.one(i);i&&i!==this.editor;)void 0!==(e=i.get("tagName"))&&t.push(a.Escape.html(e)),i=i.ancestor();return 0===t.length&&t.push(M.util.get_string("nostyles",n)),t.reverse(),t.join(", ")},_listLinks:function(){var t,i,l=a.Node.create("<ol />");return this.editor.all("a").each(function(e){(i=a.Node.create('<a href="#" title="'+M.util.get_string("selectlink",n)+'">'+a.Escape.html(e.get("text"))+"</a>")).setData("sourcelink",e),i.on("click",this._linkSelected,this),(t=a.Node.create("<li></li>")).appendChild(i),l.appendChild(t)},this),l.hasChildNodes()||l.append("<li>"+M.util.get_string("nolinks",n)+"</li>"),l},_listImages:function(){var i,l,s=a.Node.create("<ol/>");return this.editor.all("img").each(function(e){var t=e.getAttribute("alt");""===t&&""===(t=e.getAttribute("title"))&&(t=e.getAttribute("src")),(l=a.Node.create('<a href="#" title="'+M.util.get_string("selectimage",n)+'">'+a.Escape.html(t)+"</a>")).setData("sourceimage",e),l.on("click",this._imageSelected,this),(i=a.Node.create("<li></li>")).append(l),s.append(i)},this),s.hasChildNodes()||s.append("<li>"+M.util.get_string("noimages",n)+"</li>"),s},_imageSelected:function(e){e.preventDefault(),this.getDialogue({focusAfterNode:null}).hide();var t=this.get("host"),e=e.target.getData("sourceimage");this.editor.focus(),t.setSelection(t.getSelectionFromNode(e))},_linkSelected:function(e){e.preventDefault(),this.getDialogue({focusAfterNode:null}).hide();var t=this.get("host"),e=e.target.getData("sourcelink");this.editor.focus(),t.setSelection(t.getSelectionFromNode(e))}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/align/yui/build/moodle-atto_align-button/moodle-atto_align-button-min.js b/lib/editor/atto/plugins/align/yui/build/moodle-atto_align-button/moodle-atto_align-button-min.js
index 639746f7774..5d0151c3da6 100644
--- a/lib/editor/atto/plugins/align/yui/build/moodle-atto_align-button/moodle-atto_align-button-min.js
+++ b/lib/editor/atto/plugins/align/yui/build/moodle-atto_align-button/moodle-atto_align-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_align-button",function(t,e){t.namespace("M.atto_align").Button=t.Base.create("button",t.M.editor_atto.EditorPlugin,[],{initializer:function(){var t;t="justifyLeft",this.addButton({icon:"e/align_left",title:"leftalign",buttonName:t,callback:this._changeStyle,callbackArgs:t}),t="justifyCenter",this.addButton({icon:"e/align_center",title:"center",buttonName:t,callback:this._changeStyle,callbackArgs:t}),t="justifyRight",this.addButton({icon:"e/align_right",title:"rightalign",buttonName:t,callback:this._changeStyle,callbackArgs:t})},_changeStyle:function(t,e){var i=this.get("host");i.enableCssStyling(),document.execCommand(e,!1,null),this.editor.all("*[align]").each(function(t){var e=t.get("align");e&&(t.setStyle("text-align",e),t.removeAttribute("align"))},this),i.disableCssStyling(),this.markUpdated(),this.editor.focus()}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_align-button",function(t,e){t.namespace("M.atto_align").Button=t.Base.create("button",t.M.editor_atto.EditorPlugin,[],{initializer:function(){var t="justifyLeft";this.addButton({icon:"e/align_left",title:"leftalign",buttonName:t,callback:this._changeStyle,callbackArgs:t}),this.addButton({icon:"e/align_center",title:"center",buttonName:t="justifyCenter",callback:this._changeStyle,callbackArgs:t}),this.addButton({icon:"e/align_right",title:"rightalign",buttonName:t="justifyRight",callback:this._changeStyle,callbackArgs:t})},_changeStyle:function(t,e){var i=this.get("host");i.enableCssStyling(),document.execCommand(e,!1,null),this.editor.all("*[align]").each(function(t){var e=t.get("align");e&&(t.setStyle("text-align",e),t.removeAttribute("align"))},this),i.disableCssStyling(),this.markUpdated(),this.editor.focus()}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/charmap/yui/build/moodle-atto_charmap-button/moodle-atto_charmap-button-min.js b/lib/editor/atto/plugins/charmap/yui/build/moodle-atto_charmap-button/moodle-atto_charmap-button-min.js
index 06ef5d7a827..5feccf6942d 100644
--- a/lib/editor/atto/plugins/charmap/yui/build/moodle-atto_charmap-button/moodle-atto_charmap-button-min.js
+++ b/lib/editor/atto/plugins/charmap/yui/build/moodle-atto_charmap-button/moodle-atto_charmap-button-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-atto_charmap-button",function(i,a){var 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diff --git a/lib/editor/atto/plugins/collapse/yui/build/moodle-atto_collapse-button/moodle-atto_collapse-button-min.js b/lib/editor/atto/plugins/collapse/yui/build/moodle-atto_collapse-button/moodle-atto_collapse-button-min.js
index bf69dae776b..114f03a3280 100644
--- a/lib/editor/atto/plugins/collapse/yui/build/moodle-atto_collapse-button/moodle-atto_collapse-button-min.js
+++ b/lib/editor/atto/plugins/collapse/yui/build/moodle-atto_collapse-button/moodle-atto_collapse-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_collapse-button",function(s,t){var o="atto_collapse",e="showgroups",l="collapse",a="collapsed",n=".atto_group";s.namespace("M.atto_collapse").Button=s.Base.create("button",s.M.editor_atto.EditorPlugin,[],{initializer:function(){var t,i=s.Object.size(this.get("host").get("plugins"));i<=1+parseInt(this.get(e),10)||this.toolbar.all(n).size()>this.get(e)||(t=this.addButton({icon:"icon",iconComponent:o,callback:this._toggle}),this.get("host").on("pluginsloaded",function(t,i){this._setVisibility(i),this.toolbar.all(n).item(this.get(e)).insert('<div class="toolbarbreak"></div>',"before")},this,t))},_toggle:function(t){t.preventDefault();var i=this.buttons[l];i.getData(a)?(this.highlightButtons(l),this._setVisibility(i,!0)):(this.unHighlightButtons(l),this._setVisibility(i)),this.buttons[this.name].focus()},_setVisibility:function(t,i){var s=this.toolbar.all(n).slice(this.get(e));i?(t.set("title",M.util.get_string("showfewer",o)),s.show(),t.setData(a,!1)):(t.set("title",M.util.get_string("showmore",o)),s.hide(),t.setData(a,!0))}},{ATTRS:{showgroups:{value:3}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_collapse-button",function(i,t){var o="atto_collapse",e="showgroups",s="collapse",l="collapsed",a=".atto_group";i.namespace("M.atto_collapse").Button=i.Base.create("button",i.M.editor_atto.EditorPlugin,[],{initializer:function(){var t=i.Object.size(this.get("host").get("plugins"));t<=1+parseInt(this.get(e),10)||this.toolbar.all(a).size()>this.get(e)||(t=this.addButton({icon:"icon",iconComponent:o,callback:this._toggle}),this.get("host").on("pluginsloaded",function(t,i){this._setVisibility(i),this.toolbar.all(a).item(this.get(e)).insert('<div class="toolbarbreak"></div>',"before")},this,t))},_toggle:function(t){t.preventDefault();t=this.buttons[s];t.getData(l)?(this.highlightButtons(s),this._setVisibility(t,!0)):(this.unHighlightButtons(s),this._setVisibility(t)),this.buttons[this.name].focus()},_setVisibility:function(t,i){var s=this.toolbar.all(a).slice(this.get(e));i?(t.set("title",M.util.get_string("showfewer",o)),s.show(),t.setData(l,!1)):(t.set("title",M.util.get_string("showmore",o)),s.hide(),t.setData(l,!0))}},{ATTRS:{showgroups:{value:3}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/emoticon/yui/build/moodle-atto_emoticon-button/moodle-atto_emoticon-button-min.js b/lib/editor/atto/plugins/emoticon/yui/build/moodle-atto_emoticon-button/moodle-atto_emoticon-button-min.js
index 2465ed6a65a..af413e5203b 100644
--- a/lib/editor/atto/plugins/emoticon/yui/build/moodle-atto_emoticon-button/moodle-atto_emoticon-button-min.js
+++ b/lib/editor/atto/plugins/emoticon/yui/build/moodle-atto_emoticon-button/moodle-atto_emoticon-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_emoticon-button",function(i,t){var o={EMOTE:"atto_emoticon_emote",MAP:"atto_emoticon_map"},n=".atto_emoticon_emote";i.namespace("M.atto_emoticon").Button=i.Base.create("button",i.M.editor_atto.EditorPlugin,[],{_currentSelection:null,initializer:function(){this.addButton({icon:"e/emoticons",callback:this._displayDialogue})},_displayDialogue:function(){this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection&&this.getDialogue({headerContent:M.util.get_string("insertemoticon","atto_emoticon"),focusAfterHide:!0},!0).set("bodyContent",this._getDialogueContent()).show()},_insertEmote:function(t){var e,i=t.target.ancestor(n,!0),o=this.get("host");t.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),e=" "+i.getData("text")+" ",o.setSelection(this._currentSelection),o.insertContentAtFocusPoint(e),this.markUpdated()},_getDialogueContent:function(){var t=i.Handlebars.compile('<div class="{{CSS.MAP}}"><ul>{{#each emoticons}}<li><div><a href="#" class="{{../CSS.EMOTE}}" data-text="{{text}}"><img src="{{image_url imagename imagecomponent}}" alt="{{get_string altidentifier altcomponent}}"/></a></div><div>{{text}}</div><div>{{get_string altidentifier altcomponent}}</div></li>{{/each}}</ul></div>'),e=i.Node.create(t({emoticons:this.get("emoticons"),CSS:o}));return e.delegate("click",this._insertEmote,n,this),e.delegate("key",this._insertEmote,"32",n,this),e}},{ATTRS:{emoticons:{value:{}}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_emoticon-button",function(e,t){var i={EMOTE:"atto_emoticon_emote",MAP:"atto_emoticon_map"},o=".atto_emoticon_emote";e.namespace("M.atto_emoticon").Button=e.Base.create("button",e.M.editor_atto.EditorPlugin,[],{_currentSelection:null,initializer:function(){this.addButton({icon:"e/emoticons",callback:this._displayDialogue})},_displayDialogue:function(){this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection&&this.getDialogue({headerContent:M.util.get_string("insertemoticon","atto_emoticon"),focusAfterHide:!0},!0).set("bodyContent",this._getDialogueContent()).show()},_insertEmote:function(t){var e=t.target.ancestor(o,!0),i=this.get("host");t.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),t=" "+e.getData("text")+" ",i.setSelection(this._currentSelection),i.insertContentAtFocusPoint(t),this.markUpdated()},_getDialogueContent:function(){var t=e.Handlebars.compile('<div class="{{CSS.MAP}}"><ul>{{#each emoticons}}<li><div><a href="#" class="{{../CSS.EMOTE}}" data-text="{{text}}"><img src="{{image_url imagename imagecomponent}}" alt="{{get_string altidentifier altcomponent}}"/></a></div><div>{{text}}</div><div>{{get_string altidentifier altcomponent}}</div></li>{{/each}}</ul></div>'),t=e.Node.create(t({emoticons:this.get("emoticons"),CSS:i}));return t.delegate("click",this._insertEmote,o,this),t.delegate("key",this._insertEmote,"32",o,this),t}},{ATTRS:{emoticons:{value:{}}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/equation/yui/build/moodle-atto_equation-button/moodle-atto_equation-button-min.js b/lib/editor/atto/plugins/equation/yui/build/moodle-atto_equation-button/moodle-atto_equation-button-min.js
index 4fb26ebdf5a..5828c5d8177 100644
--- a/lib/editor/atto/plugins/equation/yui/build/moodle-atto_equation-button/moodle-atto_equation-button-min.js
+++ b/lib/editor/atto/plugins/equation/yui/build/moodle-atto_equation-button/moodle-atto_equation-button-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-atto_equation-button",function(r,t){var a="atto_equation",l={EQUATION_TEXT:"atto_equation_equation",EQUATION_PREVIEW:"atto_equation_preview",SUBMIT:"atto_equation_submit",LIBRARY:"atto_equation_library",LIBRARY_GROUPS:"atto_equation_groups",LIBRARY_GROUP_PREFIX:"atto_equation_group"},u={LIBRARY:"."+l.LIBRARY,LIBRARY_GROUP:"."+l.LIBRARY_GROUPS+" > div > div",EQUATION_TEXT:"."+l.EQUATION_TEXT,EQUATION_PREVIEW:"."+l.EQUATION_PREVIEW,SUBMIT:"."+l.SUBMIT,LIBRARY_BUTTON:"."+l.LIBRARY+" button"},c={START:"\\(",END:"\\)"},i='<form class="atto_form">{{{library}}}<label for="{{elementid}}_{{CSS.EQUATION_TEXT}}">{{{get_string "editequation" component texdocsurl}}}</label><textarea class="fullwidth {{CSS.EQUATION_TEXT}}" id="{{elementid}}_{{CSS.EQUATION_TEXT}}" rows="8"></textarea><br/><label for="{{elementid}}_{{CSS.EQUATION_PREVIEW}}">{{get_string "preview" component}}</label><div describedby="{{elementid}}_cursorinfo" class="well well-small p-1 fullwidth {{CSS.EQUATION_PREVIEW}}" id="{{elementid}}_{{CSS.EQUATION_PREVIEW}}"></div><div id="{{elementid}}_cursorinfo">{{get_string "cursorinfo" component}}</div><div class="mdl-align"><br/><button class="btn btn-secondary {{CSS.SUBMIT}}">{{get_string "saveequation" component}}</button></div></form>',h='<div class="{{CSS.LIBRARY}}"><ul class="root nav nav-tabs mb-1" role="tablist">{{#each library}}<li  class="nav-item"><a class="nav-link" href="#{{../elementid}}_{{../CSS.LIBRARY_GROUP_PREFIX}}_{{@key}}"  data-target="#{{../elementidescaped}}_{{../CSS.LIBRARY_GROUP_PREFIX}}_{{@key}}" role="tab" data-toggle="tab">{{get_string groupname ../component}}</a></li>{{/each}}</ul><div class="tab-content mb-1 {{CSS.LIBRARY_GROUPS}}">{{#each library}}<div data-medium-type="{{CSS.LINK}}" class="tab-pane" id="{{../elementid}}_{{../CSS.LIBRARY_GROUP_PREFIX}}_{{@key}}"><div role="toolbar">{{#split "\n" elements}}<button class="btn btn-secondary" tabindex="-1" data-tex="{{this}}"aria-label="{{this}}" title="{{this}}">{{../../DELIMITERS.START}}{{this}}{{../../DELIMITERS.END}}</button>{{/split}}</div></div>{{/each}}</div></div>';r.namespace("M.atto_equation").Button=r.Base.create("button",r.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_lastCursorPos:0,_content:null,_sourceEquation:null,_groupFocus:null,_equationPatterns:[/\$\$([\S\s]+?)\$\$/,/\\\(([\S\s]+?)\\\)/,/\\\[([\S\s]+?)\\\]/,/\[tex\]([\S\s]+?)\[\/tex\]/],initializer:function(){this._groupFocus={},this.get("texfilteractive")&&(this.addButton({icon:"e/math",callback:this._displayDialogue}),this.get("host").on("atto:selectionchanged",function(){this._resolveEquation()?this.highlightButtons():this.unHighlightButtons()},this),this.editor.all("tex").each(function(t){var e=r.Node.create("<span>"+c.START+" "+t.get("text")+" "+c.END+"</span>");t.replace(e)}))},_displayDialogue:function(){var t,e,n;this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection&&(t=this._resolveEquation(),e=this.getDialogue({headerContent:M.util.get_string("pluginname",a),focusAfterHide:!0,width:600,focusOnShowSelector:u.EQUATION_TEXT}),n=this._getDialogueContent(),e.set("bodyContent",n),n.one(".nav-item:first-child .nav-link").getDOMNode().click(),e.show(),require(["core/event"],function(t){t.notifyFilterContentUpdated(e.get("boundingBox").getDOMNode())}),t&&n.one(u.EQUATION_TEXT).set("text",t),this._updatePreview(!1))},_resolveEquation:function(){var c,t=this.get("host").getSelectionParentNode(),h=this.get("host").getSelection(),d=!1;return!!this.get("host").isActive()&&(!!t&&(!(!h||0===h.length)&&(this.sourceEquation=null,h=h[0],c=r.one(t).get("text"),r.Array.find(this._equationPatterns,function(u){var t=c.match(new RegExp(u.source,"g"));if(t&&t.length)return r.Array.find(t,function(t){for(var e,n,i,o,s,a,r,l=0;-1!==c.indexOf(t,l);){if(n=(e=c.indexOf(t,l))+t.length,i=h.startOffset>=e&&h.startOffset<n,o=h.endOffset<=n&&h.endOffset>e,i&&o&&(s=t.match(u))&&s.length)return r=(a=c.indexOf(s[1],e))+s[1].length,d=s[1],this.sourceEquation={startOuterPosition:e,endOuterPosition:n,outerMatch:t,startInnerPosition:a,endInnerPosition:r,innerMatch:s},!0;l=n}},this)},this),!1!==d&&(d=d.trim()),d)))},_setEquation:function(t){var e,n,i,o,s;o=this.get("host"),t.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),""!==(i=t.currentTarget.ancestor(".atto_form").one("textarea").get("value"))&&(o.setSelection(this._currentSelection),this.sourceEquation?(i=" "+i+" ",s=(n=(e=r.one(o.getSelectionParentNode())).get("text")).slice(0,this.sourceEquation.startInnerPosition)+i+n.slice(this.sourceEquation.endInnerPosition),e.set("text",s)):(i=c.START+" "+i+" "+c.END,o.insertContentAtFocusPoint(i)),this.markUpdated())},_throttle:function(n,i){var o=null;return function(){var t=this,e=arguments;clearTimeout(o),o=setTimeout(function(){n.apply(t,e)},i)}},_updatePreview:function(t){var e,n,i,o=this._content.one(u.EQUATION_TEXT),s=o.get("value"),a=o.get("selectionStart");for(t&&t.preventDefault(),a=a||0;"\\"===s.charAt(a)&&0<=a;)--a;if(n=/[a-zA-Z\{]/,0!==a&&"{"!=s.charAt(a-1))for(;n.test(s.charAt(a))&&a<s.length&&n.test(s.charAt(a-1));)a+=1;this._lastCursorPos=a,s=s.substring(0,a)+"\\Downarrow "+s.substring(a),s=c.START+" "+s+" "+c.END,e=M.cfg.wwwroot+"/lib/editor/atto/plugins/equation/ajax.php",i={sesskey:M.cfg.sesskey,contextid:this.get("contextid"),action:"filtertext",text:s},r.io(e,{context:this,data:i,timeout:500,on:{complete:this._loadPreview}})},_loadPreview:function(t,e){var n=this._content.one(u.EQUATION_PREVIEW);200===e.status&&(n.setHTML(e.responseText),require(["core/event"],function(t){t.notifyFilterContentUpdated(n.getDOMNode())}))},_getDialogueContent:function(){var t=this._getLibraryContent(),e=this._throttle(this._updatePreview,500),n=r.Handlebars.compile(i);return this._content=r.Node.create(n({elementid:this.get("host").get("elementid"),component:a,library:t,texdocsurl:this.get("texdocsurl"),CSS:l})),this._content.all(u.LIBRARY_GROUP).each(function(t){this._setGroupTabFocus(t,t.one("button")),t.all(
-"button a").setAttribute("tabindex","-1")},this),this._content.delegate("key",this._groupNavigation,"down:37,39",u.LIBRARY_BUTTON,this),this._content.one(u.SUBMIT).on("click",this._setEquation,this),this._content.one(u.EQUATION_TEXT).on("valuechange",e,this),this._content.one(u.EQUATION_TEXT).on("mouseup",e,this),this._content.one(u.EQUATION_TEXT).on("keyup",e,this),this._content.delegate("click",this._selectLibraryItem,u.LIBRARY_BUTTON,this),this._content},_groupNavigation:function(t){t.preventDefault();var e,n=t.currentTarget,i=n.get("parentNode"),o=i.all("button"),s=37!==t.keyCode?1:-1,a=o.indexOf(n);a<0&&(a=0),(a+=s)<0?a=o.size()-1:a>=o.size()&&(a=0),e=o.item(a),this._setGroupTabFocus(i,e),e.focus()},_setGroupTabFocus:function(t,e){var n=t.generateID();"undefined"!=typeof this._groupFocus[n]&&this._groupFocus[n].setAttribute("tabindex","-1"),(this._groupFocus[n]=e).setAttribute("tabindex",0),t.setAttribute("aria-activedescendant",e.generateID())},_selectLibraryItem:function(t){var e,n,i,o,s,a=t.currentTarget.getAttribute("data-tex"),r=0;t.preventDefault(),this._setGroupTabFocus(t.currentTarget.get("parentNode"),t.currentTarget)," "!==(n=(e=(i=t.currentTarget.ancestor(".atto_form").one("textarea")).get("value")).substring(0,this._lastCursorPos)).charAt(n.length-1)&&(n+=" "),r=(n+=a).length," "!==e.charAt(this._lastCursorPos)&&(n+=" "),n+=e.substring(this._lastCursorPos,e.length),i.set("value",n),i.focus(),"number"==typeof(o=i.getDOMNode()).selectionStart?o.selectionStart=o.selectionEnd=r:"undefined"!=typeof o.createTextRange&&((s=o.createTextRange()).moveToPoint(r),s.select()),this._updatePreview(!1)},_getLibraryContent:function(){var t,e,n,i=r.Handlebars.compile(h),o=this.get("library"),s="";return r.Handlebars.registerHelper("split",function(t,e,n){var i,o,s;if(void 0===t||void 0===e)return"";for(s="",i=e.trim().split(t);0<i.length;)o=i.shift().trim(),s+=n.fn(o);return s}),s=i({elementid:this.get("host").get("elementid"),elementidescaped:this._escapeQuerySelector(this.get("host").get("elementid")),component:a,library:o,CSS:l,DELIMITERS:c}),t=M.cfg.wwwroot+"/lib/editor/atto/plugins/equation/ajax.php",e={sesskey:M.cfg.sesskey,contextid:this.get("contextid"),action:"filtertext",text:s},200===(n=r.io(t,{sync:!0,data:e,method:"POST"})).status&&(s=n.responseText),s},_escapeQuerySelector:function(t){return t.replace(/(:|\.|\[|\]|,|=|@)/g,"\\$1")}},{ATTRS:{texfilteractive:{value:!1},contextid:{value:null},library:{value:{}},texdocsurl:{value:null}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","moodle-core-event","io","event-valuechange","tabview","array-extras"]});
\ No newline at end of file
+YUI.add("moodle-atto_equation-button",function(s,t){var i="atto_equation",o={EQUATION_TEXT:"atto_equation_equation",EQUATION_PREVIEW:"atto_equation_preview",SUBMIT:"atto_equation_submit",LIBRARY:"atto_equation_library",LIBRARY_GROUPS:"atto_equation_groups",LIBRARY_GROUP_PREFIX:"atto_equation_group"},a={LIBRARY:"."+o.LIBRARY,LIBRARY_GROUP:"."+o.LIBRARY_GROUPS+" > div > div",EQUATION_TEXT:"."+o.EQUATION_TEXT,EQUATION_PREVIEW:"."+o.EQUATION_PREVIEW,SUBMIT:"."+o.SUBMIT,LIBRARY_BUTTON:"."+o.LIBRARY+" button"},r={START:"\\(",END:"\\)"},l='<form class="atto_form">{{{library}}}<label for="{{elementid}}_{{CSS.EQUATION_TEXT}}">{{{get_string "editequation" component texdocsurl}}}</label><textarea class="fullwidth {{CSS.EQUATION_TEXT}}" id="{{elementid}}_{{CSS.EQUATION_TEXT}}" rows="8"></textarea><br/><label for="{{elementid}}_{{CSS.EQUATION_PREVIEW}}">{{get_string "preview" component}}</label><div describedby="{{elementid}}_cursorinfo" class="well well-small p-1 fullwidth {{CSS.EQUATION_PREVIEW}}" id="{{elementid}}_{{CSS.EQUATION_PREVIEW}}"></div><div id="{{elementid}}_cursorinfo">{{get_string "cursorinfo" component}}</div><div class="mdl-align"><br/><button class="btn btn-secondary {{CSS.SUBMIT}}">{{get_string "saveequation" component}}</button></div></form>',u='<div class="{{CSS.LIBRARY}}"><ul class="root nav nav-tabs mb-1" role="tablist">{{#each library}}<li  class="nav-item"><a class="nav-link" href="#{{../elementid}}_{{../CSS.LIBRARY_GROUP_PREFIX}}_{{@key}}"  data-target="#{{../elementidescaped}}_{{../CSS.LIBRARY_GROUP_PREFIX}}_{{@key}}" role="tab" data-toggle="tab">{{get_string groupname ../component}}</a></li>{{/each}}</ul><div class="tab-content mb-1 {{CSS.LIBRARY_GROUPS}}">{{#each library}}<div data-medium-type="{{CSS.LINK}}" class="tab-pane" id="{{../elementid}}_{{../CSS.LIBRARY_GROUP_PREFIX}}_{{@key}}"><div role="toolbar">{{#split "\n" elements}}<button class="btn btn-secondary" tabindex="-1" data-tex="{{this}}"aria-label="{{this}}" title="{{this}}">{{../../DELIMITERS.START}}{{this}}{{../../DELIMITERS.END}}</button>{{/split}}</div></div>{{/each}}</div></div>';s.namespace("M.atto_equation").Button=s.Base.create("button",s.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_lastCursorPos:0,_content:null,_sourceEquation:null,_groupFocus:null,_equationPatterns:[/\$\$([\S\s]+?)\$\$/,/\\\(([\S\s]+?)\\\)/,/\\\[([\S\s]+?)\\\]/,/\[tex\]([\S\s]+?)\[\/tex\]/],initializer:function(){this._groupFocus={},this.get("texfilteractive")&&(this.addButton({icon:"e/math",callback:this._displayDialogue}),this.get("host").on("atto:selectionchanged",function(){this._resolveEquation()?this.highlightButtons():this.unHighlightButtons()},this),this.editor.all("tex").each(function(t){var e=s.Node.create("<span>"+r.START+" "+t.get("text")+" "+r.END+"</span>");t.replace(e)}))},_displayDialogue:function(){var t,e,n;this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection&&(t=this._resolveEquation(),e=this.getDialogue({headerContent:M.util.get_string("pluginname",i),focusAfterHide:!0,width:600,focusOnShowSelector:a.EQUATION_TEXT}),n=this._getDialogueContent(),e.set("bodyContent",n),n.one(".nav-item:first-child .nav-link").getDOMNode().click(),e.show(),require(["core/event"],function(t){t.notifyFilterContentUpdated(e.get("boundingBox").getDOMNode())}),t&&n.one(a.EQUATION_TEXT).set("text",t),this._updatePreview(!1))},_resolveEquation:function(){var l,t=this.get("host").getSelectionParentNode(),u=this.get("host").getSelection(),c=!1;return!!this.get("host").isActive()&&(!!t&&(!(!u||0===u.length)&&(this.sourceEquation=null,u=u[0],l=s.one(t).get("text"),s.Array.find(this._equationPatterns,function(r){var t=l.match(new RegExp(r.source,"g"));if(t&&t.length)return s.Array.find(t,function(t){for(var e,n,i,o,s,a=0;-1!==l.indexOf(t,a);){if(n=(e=l.indexOf(t,a))+t.length,o=u.startOffset>=e&&u.startOffset<n,s=u.endOffset<=n&&u.endOffset>e,o&&s&&(i=t.match(r))&&i.length)return s=(o=l.indexOf(i[1],e))+i[1].length,c=i[1],this.sourceEquation={startOuterPosition:e,endOuterPosition:n,outerMatch:t,startInnerPosition:o,endInnerPosition:s,innerMatch:i},!0;a=n}},this)},this),c=!1!==c?c.trim():c)))},_setEquation:function(t){var e,n,i=this.get("host");t.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),""!==(t=t.currentTarget.ancestor(".atto_form").one("textarea").get("value"))&&(i.setSelection(this._currentSelection),this.sourceEquation?(t=" "+t+" ",n=(n=(e=s.one(i.getSelectionParentNode())).get("text")).slice(0,this.sourceEquation.startInnerPosition)+t+n.slice(this.sourceEquation.endInnerPosition),e.set("text",n)):i.insertContentAtFocusPoint(t=r.START+" "+t+" "+r.END),this.markUpdated())},_throttle:function(n,i){var o=null;return function(){var t=this,e=arguments;clearTimeout(o),o=setTimeout(function(){n.apply(t,e)},i)}},_updatePreview:function(t){var e,n=this._content.one(a.EQUATION_TEXT),i=n.get("value"),o=n.get("selectionStart");for(t&&t.preventDefault(),o=o||0;"\\"===i.charAt(o)&&0<=o;)--o;if(e=/[a-zA-Z\{]/,0!==o&&"{"!=i.charAt(o-1))for(;e.test(i.charAt(o))&&o<i.length&&e.test(i.charAt(o-1));)o+=1;this._lastCursorPos=o,i=i.substring(0,o)+"\\Downarrow "+i.substring(o),i=r.START+" "+i+" "+r.END,n=M.cfg.wwwroot+"/lib/editor/atto/plugins/equation/ajax.php",t={sesskey:M.cfg.sesskey,contextid:this.get("contextid"),action:"filtertext",text:i},s.io(n,{context:this,data:t,timeout:500,on:{complete:this._loadPreview}})},_loadPreview:function(t,e){var n=this._content.one(a.EQUATION_PREVIEW);200===e.status&&(n.setHTML(e.responseText),require(["core/event"],function(t){t.notifyFilterContentUpdated(n.getDOMNode())}))},_getDialogueContent:function(){var t=this._getLibraryContent(),e=this._throttle(this._updatePreview,500),n=s.Handlebars.compile(l);return this._content=s.Node.create(n({elementid:this.get("host").get("elementid"),component:i,library:t,texdocsurl:this.get("texdocsurl"),CSS:o})),this._content.all(a.LIBRARY_GROUP).each(function(t){this._setGroupTabFocus(t,t.one("button")),t.all("button a"
+).setAttribute("tabindex","-1")},this),this._content.delegate("key",this._groupNavigation,"down:37,39",a.LIBRARY_BUTTON,this),this._content.one(a.SUBMIT).on("click",this._setEquation,this),this._content.one(a.EQUATION_TEXT).on("valuechange",e,this),this._content.one(a.EQUATION_TEXT).on("mouseup",e,this),this._content.one(a.EQUATION_TEXT).on("keyup",e,this),this._content.delegate("click",this._selectLibraryItem,a.LIBRARY_BUTTON,this),this._content},_groupNavigation:function(t){t.preventDefault();var e=t.currentTarget,n=e.get("parentNode"),i=n.all("button"),t=37!==t.keyCode?1:-1,e=i.indexOf(e);e<0&&(e=0),(e+=t)<0?e=i.size()-1:e>=i.size()&&(e=0),t=i.item(e),this._setGroupTabFocus(n,t),t.focus()},_setGroupTabFocus:function(t,e){var n=t.generateID();"undefined"!=typeof this._groupFocus[n]&&this._groupFocus[n].setAttribute("tabindex","-1"),(this._groupFocus[n]=e).setAttribute("tabindex",0),t.setAttribute("aria-activedescendant",e.generateID())},_selectLibraryItem:function(t){var e,n,i=t.currentTarget.getAttribute("data-tex");t.preventDefault(),this._setGroupTabFocus(t.currentTarget.get("parentNode"),t.currentTarget)," "!==(n=(e=(t=t.currentTarget.ancestor(".atto_form").one("textarea")).get("value")).substring(0,this._lastCursorPos)).charAt(n.length-1)&&(n+=" "),i=(n+=i).length," "!==e.charAt(this._lastCursorPos)&&(n+=" "),n+=e.substring(this._lastCursorPos,e.length),t.set("value",n),t.focus(),"number"==typeof(e=t.getDOMNode()).selectionStart?e.selectionStart=e.selectionEnd=i:"undefined"!=typeof e.createTextRange&&((n=e.createTextRange()).moveToPoint(i),n.select()),this._updatePreview(!1)},_getLibraryContent:function(){var t=s.Handlebars.compile(u),e=this.get("library"),n="";return s.Handlebars.registerHelper("split",function(t,e,n){var i,o,s;if(void 0===t||void 0===e)return"";for(s="",i=e.trim().split(t);0<i.length;)o=i.shift().trim(),s+=n.fn(o);return s}),n=t({elementid:this.get("host").get("elementid"),elementidescaped:this._escapeQuerySelector(this.get("host").get("elementid")),component:i,library:e,CSS:o,DELIMITERS:r}),e=M.cfg.wwwroot+"/lib/editor/atto/plugins/equation/ajax.php",t={sesskey:M.cfg.sesskey,contextid:this.get("contextid"),action:"filtertext",text:n},n=200===(e=s.io(e,{sync:!0,data:t,method:"POST"})).status?e.responseText:n},_escapeQuerySelector:function(t){return t.replace(/(:|\.|\[|\]|,|=|@)/g,"\\$1")}},{ATTRS:{texfilteractive:{value:!1},contextid:{value:null},library:{value:{}},texdocsurl:{value:null}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","moodle-core-event","io","event-valuechange","tabview","array-extras"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/h5p/yui/build/moodle-atto_h5p-button/moodle-atto_h5p-button-min.js b/lib/editor/atto/plugins/h5p/yui/build/moodle-atto_h5p-button/moodle-atto_h5p-button-min.js
index 3886dbc9228..d1ba31a78cf 100644
--- a/lib/editor/atto/plugins/h5p/yui/build/moodle-atto_h5p-button/moodle-atto_h5p-button-min.js
+++ b/lib/editor/atto/plugins/h5p/yui/build/moodle-atto_h5p-button/moodle-atto_h5p-button-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-atto_h5p-button",function(p,t){var h={CONTENTWARNING:"att_h5p_contentwarning",H5PBROWSER:"openh5pbrowser",INPUTALT:"atto_h5p_altentry",INPUTH5PFILE:"atto_h5p_file",INPUTSUBMIT:"atto_h5p_urlentrysubmit",OPTION_DOWNLOAD_BUTTON:"atto_h5p_option_download_button",OPTION_COPYRIGHT_BUTTON:"atto_h5p_option_copyright_button",OPTION_EMBED_BUTTON:"atto_h5p_option_embed_button",URLWARNING:"atto_h5p_warning"},r={CONTENTWARNING:"."+h.CONTENTWARNING,H5PBROWSER:"."+h.H5PBROWSER,INPUTH5PFILE:"."+h.INPUTH5PFILE,INPUTSUBMIT:"."+h.INPUTSUBMIT,OPTION_DOWNLOAD_BUTTON:"."+h.OPTION_DOWNLOAD_BUTTON,OPTION_COPYRIGHT_BUTTON:"."+h.OPTION_COPYRIGHT_BUTTON,OPTION_EMBED_BUTTON:"."+h.OPTION_EMBED_BUTTON,URLWARNING:"."+h.URLWARNING},_="atto_h5p",m='{{#if addParagraphs}}<p><br></p>{{/if}}<div class="h5p-placeholder" contenteditable="false">{{{url}}}</div>{{#if addParagraphs}}<p><br></p>{{/if}}';p.namespace("M.atto_h5p").Button=p.Base.create("button",p.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_form:null,_H5PDiv:null,_allowedmethods:"none",initializer:function(){this._allowedmethods=this.get("allowedmethods"),"none"!==this._allowedmethods&&(this.addButton({icon:"icon",iconComponent:"atto_h5p",callback:this._displayDialogue,tags:".h5p-placeholder",tagMatchRequiresAll:!1}),this.editor.all(".h5p-placeholder").setAttribute("contenteditable","false"),this.editor.delegate("dblclick",this._handleDblClick,".h5p-placeholder",this),this.editor.delegate("click",this._handleClick,".h5p-placeholder",this))},_handleDblClick:function(){this._displayDialogue()},_handleClick:function(t){var e=this.get("host").getSelectionFromNode(t.target);this.get("host").getSelection()!==e&&this.get("host").setSelection(e)},_displayDialogue:function(){this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection&&(this._getH5PDiv(),this.getDialogue({headerContent:M.util.get_string("pluginname",_),width:"auto",focusAfterHide:!0}).set("bodyContent",this._getDialogueContent()).show(),M.form.shortforms({formid:this.get("host").get("elementid")+"_atto_h5p_form"}))},_getH5PDiv:function(){var t=this.get("host").getSelectedNodes(),e=null;t.each(function(t){t.hasClass("h5p-placeholder")&&(e=t)}),this._H5PDiv=e},_getPermissions:function(){var t={canEmbed:!1,canUpload:!1,canUploadAndEmbed:!1};return this.get("host").canShowFilepicker("h5p")&&("both"===this._allowedmethods?(t.canUploadAndEmbed=!0,t.canUpload=!0):"upload"===this._allowedmethods&&(t.canUpload=!0)),"both"!==this._allowedmethods&&"embed"!==this._allowedmethods||(t.canEmbed=!0),t},_getDialogueContent:function(){var t,e,o,n,i,l,a,s,d,c=this._getPermissions(),r=!0;return this._H5PDiv&&(i=this._H5PDiv.get("innerHTML"),(l=M.cfg.wwwroot+"/draftfile.php")==i.substring(0,l.length)?(t=i.split("?")[0],(a=i.split("?")[1])&&(a.match(/export=1/)&&(r=!(e="checked")),a.match(/embed=1/)&&(r=!(o="checked")),a.match(/copyright=1/)&&(r=!(n="checked")))):t=i),s=p.Handlebars.compile('<form class="atto_form mform" id="{{elementid}}_atto_h5p_form"><div style="display:none" role="alert" class="alert alert-warning mb-1 {{CSS.CONTENTWARNING}}">{{get_string "noh5pcontent" component}}</div><div style="display:none" role="alert" class="alert alert-warning mb-1 {{CSS.URLWARNING}}">{{get_string "invalidh5purl" component}}</div>{{#if canUploadAndEmbed}}<div class="mt-2 mb-4 attoh5pinstructions">{{{get_string "instructions" component}}}</div>{{/if}}<div class="mb-4"><label for="{{elementid}}_{{CSS.H5PBROWSER}}">{{#if canUploadAndEmbed}}{{get_string "h5pfileorurl" component}}{{/if}}{{^if canUploadAndEmbed}}{{#if canUpload}}{{get_string "h5pfile" component}}{{/if}}{{#if canEmbed}}{{get_string "h5purl" component}}{{/if}}{{/if}}</label><div class="input-group input-append w-100"><input class="form-control {{CSS.INPUTH5PFILE}}" type="url" value="{{fileURL}}" id="{{elementid}}_{{CSS.INPUTH5PFILE}}" data-region="h5pfile" size="32"/>{{#if canUpload}}<span class="input-group-append"><button class="btn btn-secondary {{CSS.H5PBROWSER}}" type="button">{{get_string "browserepositories" component}}</button></span>{{/if}}</div>{{#if canUpload}}<fieldset class="collapsible {{#if collapseOptions}}collapsed{{/if}}" id="{{elementid}}_h5poptions"><legend class="ftoggler">{{get_string "h5poptions" component}}</legend><div class="fcontainer"><div class="form-check"><input type="checkbox" {{optionDownloadButton}} class="form-check-input {{CSS.OPTION_DOWNLOAD_BUTTON}}"aria-label="{{get_string "downloadbutton" component}}" id="{{elementid}}_h5p-option-allow-download"/><label class="form-check-label" for="{{elementid}}_h5p-option-allow-download">{{get_string "downloadbutton" component}}</label></div><div class="form-check"><input type="checkbox" {{optionEmbedButton}} class="form-check-input {{CSS.OPTION_EMBED_BUTTON}}" aria-label="{{get_string "embedbutton" component}}" id="{{elementid}}_h5p-option-embed-button"/><label class="form-check-label" for="{{elementid}}_h5p-option-embed-button">{{get_string "embedbutton" component}}</label></div><div class="form-check mb-2"><input type="checkbox" {{optionCopyrightButton}} class="form-check-input {{CSS.OPTION_COPYRIGHT_BUTTON}}" aria-label="{{get_string "copyrightbutton" component}}" id="{{elementid}}_h5p-option-copyright-button"/><label class="form-check-label" for="{{elementid}}_h5p-option-copyright-button">{{get_string "copyrightbutton" component}}</label></div></div></fieldset>{{/if}}</div><div class="text-center"><button class="btn btn-secondary {{CSS.INPUTSUBMIT}}" type="submit">{{get_string "pluginname" component}}</button></div></form>'),d=p.Node.create(s({elementid:this.get("host").get("elementid"),CSS:h,component:_,canUpload:c.canUpload,canEmbed:c.canEmbed,canUploadAndEmbed:c.canUploadAndEmbed,collapseOptions:r,fileURL:t,optionDownloadButton:e,optionEmbedButton:o,optionCopyrightButton:n})),this._form=d,this._setEventListeners(),d},_filepickerCallback:function(t){""!==t.url&&(this._form.one(r.INPUTH5PFILE).set("value",t.url),this._removeWarnings())},
-_setEventListeners:function(){var t=this._form,e=this._getPermissions();t.one(r.INPUTSUBMIT).on("click",this._setH5P,this),e.canUpload&&t.one(r.H5PBROWSER).on("click",function(){this.get("host").showFilepicker("h5p",this._filepickerCallback,this)},this),e.canUploadAndEmbed&&t.one(r.INPUTH5PFILE).on("change",function(){this._removeWarnings()},this)},_removeWarnings:function(){var t=this._form;t.one(r.URLWARNING).setStyle("display","none"),t.one(r.CONTENTWARNING).setStyle("display","none")},_setH5P:function(t){var e,o,n,i,l,a=this._form,s=this.get("host"),d=a.one(r.INPUTH5PFILE).get("value"),c=this._getPermissions();if(t.preventDefault(),!this._updateWarning()){if(s.focus(),o=!0,this._H5PDiv&&(this._H5PDiv.remove(),o=!1),""!==d){if(s.setSelection(this._currentSelection),d.startsWith(M.cfg.wwwroot)){if(n="",c.canUpload)for(l in i={},a.one(r.OPTION_DOWNLOAD_BUTTON).get("checked")&&(i["export"]="1"),a.one(r.OPTION_EMBED_BUTTON).get("checked")&&(i.embed="1"),a.one(r.OPTION_COPYRIGHT_BUTTON).get("checked")&&(i.copyright="1"),i)""===n&&-1===d.indexOf("?")?n+="?":n+="&amp;",n+=l+"="+i[l];e=p.Handlebars.compile(m)({url:d+n,addParagraphs:o})}else e=p.Handlebars.compile(m)({url:d});s.insertContentAtFocusPoint(e),this.markUpdated()}this.getDialogue({focusAfterHide:null}).hide()}},_validEmbed:function(t){return!!new RegExp("^(<iframe).*(<\\/iframe>)").test(t)},_validURL:function(t){return!!new RegExp("^(https?:\\/\\/)?((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|((\\d{1,3}\\.){3}\\d{1,3}))(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*").test(t)},_updateWarning:function(){var t,e=this._form,o=!0,n=this._getPermissions();return(n.canUpload||n.canEmbed)&&(o=""!==(t=e.one(r.INPUTH5PFILE).get("value"))?(e.one(r.CONTENTWARNING).setStyle("display","none"),t.startsWith(M.cfg.wwwroot)||this._validURL(t)?(e.one(r.URLWARNING).setStyle("display","none"),!1):(e.one(r.URLWARNING).setStyle("display","block"),!0)):(e.one(r.CONTENTWARNING).setStyle("display","block"),!0)),o}},{ATTRS:{allowedmethods:{value:null}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_h5p-button",function(c,t){var d={CONTENTWARNING:"att_h5p_contentwarning",H5PBROWSER:"openh5pbrowser",INPUTALT:"atto_h5p_altentry",INPUTH5PFILE:"atto_h5p_file",INPUTSUBMIT:"atto_h5p_urlentrysubmit",OPTION_DOWNLOAD_BUTTON:"atto_h5p_option_download_button",OPTION_COPYRIGHT_BUTTON:"atto_h5p_option_copyright_button",OPTION_EMBED_BUTTON:"atto_h5p_option_embed_button",URLWARNING:"atto_h5p_warning"},r={CONTENTWARNING:"."+d.CONTENTWARNING,H5PBROWSER:"."+d.H5PBROWSER,INPUTH5PFILE:"."+d.INPUTH5PFILE,INPUTSUBMIT:"."+d.INPUTSUBMIT,OPTION_DOWNLOAD_BUTTON:"."+d.OPTION_DOWNLOAD_BUTTON,OPTION_COPYRIGHT_BUTTON:"."+d.OPTION_COPYRIGHT_BUTTON,OPTION_EMBED_BUTTON:"."+d.OPTION_EMBED_BUTTON,URLWARNING:"."+d.URLWARNING},p="atto_h5p",h='{{#if addParagraphs}}<p><br></p>{{/if}}<div class="h5p-placeholder" contenteditable="false">{{{url}}}</div>{{#if addParagraphs}}<p><br></p>{{/if}}';c.namespace("M.atto_h5p").Button=c.Base.create("button",c.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_form:null,_H5PDiv:null,_allowedmethods:"none",initializer:function(){this._allowedmethods=this.get("allowedmethods"),"none"!==this._allowedmethods&&(this.addButton({icon:"icon",iconComponent:"atto_h5p",callback:this._displayDialogue,tags:".h5p-placeholder",tagMatchRequiresAll:!1}),this.editor.all(".h5p-placeholder").setAttribute("contenteditable","false"),this.editor.delegate("dblclick",this._handleDblClick,".h5p-placeholder",this),this.editor.delegate("click",this._handleClick,".h5p-placeholder",this))},_handleDblClick:function(){this._displayDialogue()},_handleClick:function(t){t=this.get("host").getSelectionFromNode(t.target);this.get("host").getSelection()!==t&&this.get("host").setSelection(t)},_displayDialogue:function(){this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection&&(this._getH5PDiv(),this.getDialogue({headerContent:M.util.get_string("pluginname",p),width:"auto",focusAfterHide:!0}).set("bodyContent",this._getDialogueContent()).show(),M.form.shortforms({formid:this.get("host").get("elementid")+"_atto_h5p_form"}))},_getH5PDiv:function(){var t=this.get("host").getSelectedNodes(),e=null;t.each(function(t){t.hasClass("h5p-placeholder")&&(e=t)}),this._H5PDiv=e},_getPermissions:function(){var t={canEmbed:!1,canUpload:!1,canUploadAndEmbed:!1};return this.get("host").canShowFilepicker("h5p")&&("both"===this._allowedmethods?(t.canUploadAndEmbed=!0,t.canUpload=!0):"upload"===this._allowedmethods&&(t.canUpload=!0)),"both"!==this._allowedmethods&&"embed"!==this._allowedmethods||(t.canEmbed=!0),t},_getDialogueContent:function(){var t,e,o,n,i,l,a=this._getPermissions(),s=!0;return this._H5PDiv&&(l=this._H5PDiv.get("innerHTML"),(i=M.cfg.wwwroot+"/draftfile.php")==l.substring(0,i.length)?(t=l.split("?")[0],(i=l.split("?")[1])&&(i.match(/export=1/)&&(s=!(e="checked")),i.match(/embed=1/)&&(s=!(o="checked")),i.match(/copyright=1/)&&(s=!(n="checked")))):t=l),i=c.Handlebars.compile('<form class="atto_form mform" id="{{elementid}}_atto_h5p_form"><div style="display:none" role="alert" class="alert alert-warning mb-1 {{CSS.CONTENTWARNING}}">{{get_string "noh5pcontent" component}}</div><div style="display:none" role="alert" class="alert alert-warning mb-1 {{CSS.URLWARNING}}">{{get_string "invalidh5purl" component}}</div>{{#if canUploadAndEmbed}}<div class="mt-2 mb-4 attoh5pinstructions">{{{get_string "instructions" component}}}</div>{{/if}}<div class="mb-4"><label for="{{elementid}}_{{CSS.H5PBROWSER}}">{{#if canUploadAndEmbed}}{{get_string "h5pfileorurl" component}}{{/if}}{{^if canUploadAndEmbed}}{{#if canUpload}}{{get_string "h5pfile" component}}{{/if}}{{#if canEmbed}}{{get_string "h5purl" component}}{{/if}}{{/if}}</label><div class="input-group input-append w-100"><input class="form-control {{CSS.INPUTH5PFILE}}" type="url" value="{{fileURL}}" id="{{elementid}}_{{CSS.INPUTH5PFILE}}" data-region="h5pfile" size="32"/>{{#if canUpload}}<span class="input-group-append"><button class="btn btn-secondary {{CSS.H5PBROWSER}}" type="button">{{get_string "browserepositories" component}}</button></span>{{/if}}</div>{{#if canUpload}}<fieldset class="collapsible {{#if collapseOptions}}collapsed{{/if}}" id="{{elementid}}_h5poptions"><legend class="ftoggler">{{get_string "h5poptions" component}}</legend><div class="fcontainer"><div class="form-check"><input type="checkbox" {{optionDownloadButton}} class="form-check-input {{CSS.OPTION_DOWNLOAD_BUTTON}}"aria-label="{{get_string "downloadbutton" component}}" id="{{elementid}}_h5p-option-allow-download"/><label class="form-check-label" for="{{elementid}}_h5p-option-allow-download">{{get_string "downloadbutton" component}}</label></div><div class="form-check"><input type="checkbox" {{optionEmbedButton}} class="form-check-input {{CSS.OPTION_EMBED_BUTTON}}" aria-label="{{get_string "embedbutton" component}}" id="{{elementid}}_h5p-option-embed-button"/><label class="form-check-label" for="{{elementid}}_h5p-option-embed-button">{{get_string "embedbutton" component}}</label></div><div class="form-check mb-2"><input type="checkbox" {{optionCopyrightButton}} class="form-check-input {{CSS.OPTION_COPYRIGHT_BUTTON}}" aria-label="{{get_string "copyrightbutton" component}}" id="{{elementid}}_h5p-option-copyright-button"/><label class="form-check-label" for="{{elementid}}_h5p-option-copyright-button">{{get_string "copyrightbutton" component}}</label></div></div></fieldset>{{/if}}</div><div class="text-center"><button class="btn btn-secondary {{CSS.INPUTSUBMIT}}" type="submit">{{get_string "pluginname" component}}</button></div></form>'),l=c.Node.create(i({elementid:this.get("host").get("elementid"),CSS:d,component:p,canUpload:a.canUpload,canEmbed:a.canEmbed,canUploadAndEmbed:a.canUploadAndEmbed,collapseOptions:s,fileURL:t,optionDownloadButton:e,optionEmbedButton:o,optionCopyrightButton:n})),this._form=l,this._setEventListeners(),l},_filepickerCallback:function(t){""!==t.url&&(this._form.one(r.INPUTH5PFILE).set("value",t.url),this._removeWarnings())},
+_setEventListeners:function(){var t=this._form,e=this._getPermissions();t.one(r.INPUTSUBMIT).on("click",this._setH5P,this),e.canUpload&&t.one(r.H5PBROWSER).on("click",function(){this.get("host").showFilepicker("h5p",this._filepickerCallback,this)},this),e.canUploadAndEmbed&&t.one(r.INPUTH5PFILE).on("change",function(){this._removeWarnings()},this)},_removeWarnings:function(){var t=this._form;t.one(r.URLWARNING).setStyle("display","none"),t.one(r.CONTENTWARNING).setStyle("display","none")},_setH5P:function(t){var e,o,n,i,l=this._form,a=this.get("host"),s=l.one(r.INPUTH5PFILE).get("value"),d=this._getPermissions();if(t.preventDefault(),!this._updateWarning()){if(a.focus(),t=!0,this._H5PDiv&&(this._H5PDiv.remove(),t=!1),""!==s){if(a.setSelection(this._currentSelection),s.startsWith(M.cfg.wwwroot)){if(o="",d.canUpload)for(i in n={},l.one(r.OPTION_DOWNLOAD_BUTTON).get("checked")&&(n["export"]="1"),l.one(r.OPTION_EMBED_BUTTON).get("checked")&&(n.embed="1"),l.one(r.OPTION_COPYRIGHT_BUTTON).get("checked")&&(n.copyright="1"),n)""===o&&-1===s.indexOf("?")?o+="?":o+="&amp;",o+=i+"="+n[i];e=c.Handlebars.compile(h)({url:s+o,addParagraphs:t})}else e=c.Handlebars.compile(h)({url:s});a.insertContentAtFocusPoint(e),this.markUpdated()}this.getDialogue({focusAfterHide:null}).hide()}},_validEmbed:function(t){return!!new RegExp("^(<iframe).*(<\\/iframe>)").test(t)},_validURL:function(t){return!!new RegExp("^(https?:\\/\\/)?((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|((\\d{1,3}\\.){3}\\d{1,3}))(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*").test(t)},_updateWarning:function(){var t=this._form,e=!0,o=this._getPermissions();return e=o.canUpload||o.canEmbed?""!==(o=t.one(r.INPUTH5PFILE).get("value"))?(t.one(r.CONTENTWARNING).setStyle("display","none"),o.startsWith(M.cfg.wwwroot)||this._validURL(o)?(t.one(r.URLWARNING).setStyle("display","none"),!1):(t.one(r.URLWARNING).setStyle("display","block"),!0)):(t.one(r.CONTENTWARNING).setStyle("display","block"),!0):e}},{ATTRS:{allowedmethods:{value:null}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/html/yui/build/moodle-atto_html-beautify/moodle-atto_html-beautify-min.js b/lib/editor/atto/plugins/html/yui/build/moodle-atto_html-beautify/moodle-atto_html-beautify-min.js
index 4b61f7af29b..9e297f279bf 100644
--- a/lib/editor/atto/plugins/html/yui/build/moodle-atto_html-beautify/moodle-atto_html-beautify-min.js
+++ b/lib/editor/atto/plugins/html/yui/build/moodle-atto_html-beautify/moodle-atto_html-beautify-min.js
@@ -1,10 +1,10 @@
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new Error("Invalid Option Value: The option 'operator_position' must be one of the following values\n"+B+"\nYou passed in: '"+e+"'");return e}(e.operator_position),c.test_output_raw=e.test_output_raw!==undefined&&e.test_output_raw,c.jslint_happy&&(c.space_after_anon_function=!0),e.indent_with_tabs&&(c.indent_char="\t",c.indent_size=1),"auto"===c.eol&&(c.eol="\n",t&&z.lineBreak.test(t||"")&&(c.eol=t.match(z.lineBreak)[0])),c.eol=c.eol.replace(/\\r/,"\r").replace(/\\n/,"\n"),i="";0<c.indent_size;)i+=c.indent_char,--c.indent_size;if(m=0,t&&t.length){for(;" "===t.charAt(m)||"\t"===t.charAt(m);)m+=1;w=t.substring(0,m),t=t.substring(m)}function K(e,t){for(var n,i,r=e.newlines,s=c.keep_array_indentation&&S(h.mode),_=l,a=0;a<e.comments_before.length;a++)K(l=e.comments_before[a],t),k[l.type](t);if(l=_,s)for(n=0;n<r;n+=1)d(0<n,t);else if(c.max_preserve_newlines&&r>c.max_preserve_newlines&&(r=c.max_preserve_newlines),c.preserve_newlines&&1<e.newlines)for(d(!1,t),i=1;i<r;i+=1)d(!0,t)}function 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t;o.raw?o.add_raw_token(l):(c.comma_first&&"TK_COMMA"===u&&o.just_added_newline()&&","===o.previous_line.last()&&(t=o.previous_line.pop(),o.previous_line.is_empty()&&(o.previous_line.push(t),o.trim(!0),o.current_line.pop(),o.trim()),y(),o.add_token(","),o.space_before_token=!0),e=e||l.text,y(),o.add_token(e))}function O(){h.indentation_level+=1}function v(e){r=h?(_.push(h),h):R(null,e),h=R(r,e)}function S(e){return e===V.ArrayLiteral}function A(e){return G(e,[V.Expression,V.ForInitializer,V.Conditional])}function C(){0<_.length&&(r=h,h=_.pop(),r.mode!==V.Statement||c.unindent_chained_methods||W(o,r))}function N(){return h.parent.mode===V.ObjectLiteral&&h.mode===V.Statement&&(":"===h.last_text&&0===h.ternary_depth||"TK_RESERVED"===u&&G(h.last_text,["get","set"]))}function D(){return("TK_RESERVED"===u&&G(h.last_text,["var","let","const"])&&"TK_WORD"===l.type||"TK_RESERVED"===u&&"do"===h.last_text||"TK_RESERVED"===u&&G(h.last_text,x)&&!l.wanted_newline||"TK_RESERVED"===u&&"else"===h.last_text&&("TK_RESERVED"!==l.type||"if"!==l.text||l.comments_before.length)||"TK_END_EXPR"===u&&(r.mode===V.ForInitializer||r.mode===V.Conditional)||"TK_WORD"===u&&h.mode===V.BlockStatement&&!h.in_case&&"--"!==l.text&&"++"!==l.text&&"function"!==s&&"TK_WORD"!==l.type&&"TK_RESERVED"!==l.type||h.mode===V.ObjectLiteral&&(":"===h.last_text&&0===h.ternary_depth||"TK_RESERVED"===u&&G(h.last_text,["get","set"])))&&(v(V.Statement),c.unindent_chained_methods||O(),K(l,!0),N()||p("TK_RESERVED"===l.type&&G(l.text,["do","for","if","while"])),1)}function L(e){return G(e,["case","return","do","if","throw","else"])}function I(e){e=n+(e||0);return e<0||e>=b.length?null:b[e]}function 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t=0;t<e.newlines;t++)this.add_outputline();this.current_line.push(e.whitespace_before),this.current_line.push(e.text),this.space_before_token=!1},this.add_token=function(e){this.add_space_before_token(),this.current_line.push(e)},this.add_space_before_token=function(){this.space_before_token&&!this.just_added_newline()&&this.current_line.push(" "),this.space_before_token=!1},this.remove_indent=function(e){for(var t=i.length;e<t;)i[e].remove_indent(),e++},this.trim=function(e){for(e=e!==undefined&&e,this.current_line.trim(t,n);e&&1<i.length&&this.current_line.is_empty();)i.pop(),this.current_line=i[i.length-1],this.current_line.trim();this.previous_line=1<i.length?i[i.length-2]:null},this.just_added_newline=function(){return 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t=0;t<e.newlines;t++)this.add_outputline();this.current_line.push(e.whitespace_before),this.current_line.push(e.text),this.space_before_token=!1},this.add_token=function(e){this.add_space_before_token(),this.current_line.push(e)},this.add_space_before_token=function(){this.space_before_token&&!this.just_added_newline()&&this.current_line.push(" "),this.space_before_token=!1},this.remove_indent=function(e){for(var t=i.length;e<t;)i[e].remove_indent(),e++},this.trim=function(e){for(e=e!==undefined&&e,this.current_line.trim(t,n);e&&1<i.length&&this.current_line.is_empty();)i.pop(),this.current_line=i[i.length-1],this.current_line.trim();this.previous_line=1<i.length?i[i.length-2]:null},this.just_added_newline=function(){return this.current_line.is_empty()},this.just_added_blankline=function(){return!!this.just_added_newline()&&(1===i.length||i[i.length-2].is_empty())}}},function(e,t,n){var i=n(0).Beautifier;e.exports=function(e,t){return new i(e,t).beautify()}}],r={},o.m=h,o.c=r,o.i=function(e){return e},o.d=function(e,t,n){o.o(e,t)||Object.defineProperty(e,t,{configurable:!1,enumerable:!0,get:n})},o.n=function(e){var t=e&&e.__esModule?function(){return e["default"]}:function(){return e};return o.d(t,"a",t),t},o.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},o.p="",e=o(o.s=4),void 0!==t?t.css_beautify=e:"undefined"!=typeof window?window.css_beautify=e:"undefined"!=typeof global&&(global.css_beautify=e),d=[function(e,t,n){var a=n(2).mergeOpts,n=n(1),o=n.lineBreak,l=n.allLineBreaks;function S(e){return e.replace(/\s+$/g,"")}e.exports.Beautifier=function(u,h,T,g){var c,n,i,r,p,d,E,m,x,w,t,s,b,e,k,R,K,y,O,_,f;function v(){return this.pos=0,this.token="",this.current_mode="CONTENT",this.tags={parent:"parent1",parentcount:1,parent1:""},this.tag_type="",this.token_text=this.last_token=this.last_text=this.token_type="",this.newlines=0,this.indent_content=n,this.indent_body_inner_html=i,this.indent_head_inner_html=r,this.Utils={whitespace:"\n\r\t ".split(""),single_token:h.void_elements||["area","base","br","col","embed","hr","img","input","keygen","link","menuitem","meta","param","source","track","wbr","!doctype","?xml","?php","basefont","isindex"],extra_liners:_,in_array:function(e,t){for(var n=0;n<t.length;n++)if(e===t[n])return!0;return!1}},this.is_whitespace=function(e){for(var t=0;t<e.length;t++)if(!this.Utils.in_array(e.charAt(t),this.Utils.whitespace))return!1;return!0},this.traverse_whitespace=function(){var e="",e=this.input.charAt(this.pos);if(this.Utils.in_array(e,this.Utils.whitespace)){for(this.newlines=0;this.Utils.in_array(e,this.Utils.whitespace);)t&&"\n"===e&&this.newlines<=s&&(this.newlines+=1),this.pos++,e=this.input.charAt(this.pos);return!0}return!1},this.space_or_wrap=function(e){return this.line_char_count>=this.wrap_line_length?(this.print_newline(!1,e),this.print_indentation(e),!0):(this.line_char_count++,e.push(" "),!1)},this.get_content=function(){for(var e,t,n=[],i=0;"<"!==this.input.charAt(this.pos)||2===i;){if(this.pos>=this.input.length)return n.length?n.join(""):["","TK_EOF"];if(i<2&&this.traverse_whitespace())this.space_or_wrap(n);else{if(t=this.input.charAt(this.pos),b){if("{"===t?i+=1:i<2&&(i=0),"}"===t&&0<i&&0==i--)break;if("{{#"===(e=this.input.substr(this.pos,3))||"{{/"===e)break;if("{{!"===e)return[
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this.tags[e+this.tags[e+"count"]+"parent"],delete this.tags[e+this.tags[e+"count"]],1===this.tags[e+"count"]?delete this.tags[e+"count"]:this.tags[e+"count"]--}},this.indent_to_tag=function(e){if(this.tags[e+"count"]){for(var t=this.tags.parent;t&&e+this.tags[e+"count"]!==t;)t=this.tags[t+"parent"];t&&(this.indent_level=this.tags[e+this.tags[e+"count"]])}},this.get_tag=function(e){var t,n,u,h,c,p,d,i,r,s,_,a="",o=[],l=!1,f=!0,T=!1,g=this.pos,E=this.line_char_count,m=!1;e=e!==undefined&&e;do{if(this.pos>=this.input.length)return e&&(this.pos=g,this.line_char_count=E),o.length?o.join(""):["","TK_EOF"];if(a=this.input.charAt(this.pos),this.pos++,this.Utils.in_array(a,this.Utils.whitespace))l=!0;else{if("'"!==a&&'"'!==a||(a+=this.get_unformatted(a),l=!0),"="===a&&(l=!1),u=this.input.substr(this.pos-1),!K||!T||m||">"!==a&&"/"!==a||u.match(/^\/?\s*>/)&&(this.print_newline(!(m=!(l=!1)),o),this.print_indentation(o)),o.length&&"="!==o[o.length-1]&&">"!==a&&l){if(h=this.space_or_wrap(o)&&"/"!==a&&!R,l=!1,R&&"/"!==a&&(c=!1,K&&f&&(c=!(null!==u.match(/^\S*(="([^"]|\\")*")?\s*\/?\s*>/))),f&&!c||(this.print_newline(!1,o),this.print_indentation(o),h=!0)),h)for(T=!0,p=k,y&&(p=o.indexOf(" ")+1),d=0;d<p;d++)o.push(" ");if(f)for(i=0;i<o.length;i++)if(" "===o[i]){f=!1;break}}if(b&&"<"===n&&a+this.input.charAt(this.pos)==="{{"&&(a+=this.get_unformatted("}}"),o.length&&" "!==o[o.length-1]&&"<"!==o[o.length-1]&&(a=" 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"):-1!==r.indexOf("\n")?r.indexOf("\n"):"{"===r.charAt(0)?r.indexOf("}"):r.indexOf(">"),s="<"!==r.charAt(0)&&b?"#"===r.charAt(2)?3:2:1,s=r.substring(s,_).toLowerCase(),"/"===r.charAt(r.length-2)||this.Utils.in_array(s,this.Utils.single_token)?e||(this.tag_type="SINGLE"):b&&"{"===r.charAt(0)&&"else"===s?e||(this.indent_to_tag("if"),this.tag_type="HANDLEBARS_ELSE",this.indent_content=!0,this.traverse_whitespace()):this.is_unformatted(s,x)||this.is_unformatted(s,w)?(_=this.get_unformatted("</"+s+">",r),o.push(_),this.pos,this.tag_type="SINGLE"):"script"===s&&(-1===r.search("type")||-1<r.search("type")&&-1<r.search(/\b(text|application|dojo)\/(x-)?(javascript|ecmascript|jscript|livescript|(ld\+)?json|method|aspect)/))?e||(this.record_tag(s),this.tag_type="SCRIPT"):"style"===s&&(-1===r.search("type")||-1<r.search("type")&&-1<r.search("text/css"))?e||(this.record_tag(s),this.tag_type="STYLE"):"!"===s.charAt(0)?e||(this.tag_type="SINGLE",this.traverse_whitespace()):e||("/"===s.charAt(0)?(this.retrieve_tag(s.substring(1)),this.tag_type="END"):(this.record_tag(s),"html"!==s.toLowerCase()&&(this.indent_content=!0),this.tag_type="START"),this.traverse_whitespace()&&this.space_or_wrap(o),this.Utils.in_array(s,this.Utils.extra_liners)&&(this.print_newline(!1,this.output),this.output.length&&"\n"!==this.output[this.output.length-2]&&this.print_newline(!0,this.output))),e&&(this.pos=g,this.line_char_count=E),o.join("")},this.get_comment=function(e){var t,n="",i=">",r=!1;for(this.pos=e,t=this.input.charAt(this.pos),this.pos++;this.pos<=this.input.length&&((n+=t).charAt(n.length-1)!==i.charAt(i.length-1)||-1===n.indexOf(i));)!r&&n.length<10&&(0===n.indexOf("<![if")?(i="<![endif]>",r=!0):0===n.indexOf("<![cdata[")?(i="]]>",r=!0):0===n.indexOf("<![")?(i="]>",r=!0):0===n.indexOf("\x3c!--")?(i="--\x3e",r=!0):0===n.indexOf("{{!--")?(i="--}}",r=!0):0===n.indexOf("{{!")?5===n.length&&-1===n.indexOf("{{!--")&&(i="}}",r=!0):0===n.indexOf("<?")?(i="?>",r=!0):0===n.indexOf("<%")&&(i="%>",r=!0)),t=this.input.charAt(this.pos),this.pos++;return n},this.get_unformatted=function(e,t){var n,i,r,s,_,a;if(t&&-1!==t.toLowerCase().indexOf(e))return"";r=!(i=""),_=e,a="",s={add:function(e){e=a+e.toLowerCase();a=e.length<=_.length?e:e.substr(e.length-_.length,_.length)},doesNotMatch:function(){return-1===a.indexOf(_)}};do{if(this.pos>=this.input.length)return i;if(n=this.input.charAt(this.pos),this.pos++,this.Utils.in_array(n,this.Utils.whitespace)){if(!r){this.line_char_count--;continue}if("\n"===n||"\r"===n){i+="\n",this.line_char_count=0;continue}}i+=n,s.add(n),this.line_char_count++,r=!0,b&&"{"===n&&i.length&&"{"===i.charAt(i.length-2)&&(i+=this.get_unformatted("}}"))}while(s.doesNotMatch());return i},this.get_token=function(){var e,t;return"TK_TAG_SCRIPT"===this.last_token||"TK_TAG_STYLE"===this.last_token?(t=this.last_token.substr(7),"string"!=typeof(e=this.get_contents_to(t))?e:[e,"TK_"+t]):"CONTENT"===this.current_mode?"string"!=typeof(e=this.get_content())?e:[e,"TK_CONTENT"]:"TAG"===this.current_mode?"string"!=typeof(e=this.get_tag())?e:[e,"TK_TAG_"+this.tag_type]:void 0},this.get_full_indent=function(e){return(
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diff --git a/lib/editor/atto/plugins/html/yui/build/moodle-atto_html-codemirror/moodle-atto_html-codemirror-min.js b/lib/editor/atto/plugins/html/yui/build/moodle-atto_html-codemirror/moodle-atto_html-codemirror-min.js
index e9ddc932125..499b99ca7bd 100644
--- a/lib/editor/atto/plugins/html/yui/build/moodle-atto_html-codemirror/moodle-atto_html-codemirror-min.js
+++ b/lib/editor/atto/plugins/html/yui/build/moodle-atto_html-codemirror/moodle-atto_html-codemirror-min.js
@@ -1,37 +1,37 @@
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0;for(t=e.text.length,r=e;n=Wn(r);)r=(i=n.find(0,!0)).from.line,t+=i.from.ch-i.to.ch;for(r=e;n=zn(r);)o=n.find(0,!0),t-=r.text.length-o.from.ch,t+=(r=o.to.line).text.length-o.to.ch;return t}function Kn(e){var n=e.display,t=e.doc;n.maxLine=$t(t,t.first),n.maxLineLength=Vn(n.maxLine),n.maxLineChanged=!0,t.iter(function(e){var t=Vn(e);t>n.maxLineLength&&(n.maxLineLength=t,n.maxLine=e)})}function Gn(e,t){if(!e||/^\s*$/.test(e))return null;var n=t.addModeClass?E:I;return n[e]||(n[e]=e.replace(/\S+/g,"cm-$&"))}function Un(e,t){var n,r,i,o,l,a,s,c,u,d,f,h=ot("span",null,null,je?"padding-right: .1px":null),p={pre:ot("pre",[h],"CodeMirror-line"),content:h,col:0,pos:0,cm:e,trailingSpace:!1,splitSpaces:e.getOption("lineWrapping")};for(t.measure={},n=0;n<=(t.rest?t.rest.length:0);n++)r=n?t.rest[n-1]:t.line,i=void 0,p.pos=0,p.addToken=_n,c=e.display.measure,f=d=u=void 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e.col+=t.length,u=document.createTextNode(a),e.map.push(e.pos,e.pos+t.length,u),Re&&Be<9&&(c=!0),e.pos+=t.length;if(e.trailingSpace=32==a.charCodeAt(t.length-1),n||r||i||c||o){if(v=n||"",r&&(v+=r),i&&(v+=i),b=it("span",[u],v,o),l)for(w in l)l.hasOwnProperty(w)&&"style"!=w&&"class"!=w&&b.setAttribute(w,l[w]);return e.content.appendChild(b)}e.content.appendChild(u)}}function $n(d,f){return function(e,t,n,r,i,o,l){var a,s,c,u;for(n=n?n+" cm-force-border":"cm-force-border",s=(a=e.pos)+t.length;;){for(c=void 0,u=0;u<f.length&&!((c=f[u]).to>a&&c.from<=a);u++);if(c.to>=s)return d(e,t,n,r,i,o,l);d(e,t.slice(0,c.to-a),n,r,null,o,l),r=null,t=t.slice(c.to-a),a=c.to}}}function Xn(e,t,n,r){var i=!r&&n.widgetNode;i&&e.map.push(e.pos,e.pos+t,i),!r&&e.cm.display.input.needsContentAttribute&&(i=i||e.content.appendChild(document.createElement("span"))).setAttribute("cm-marker",n.id),i&&(e.cm.display.input.setUneditable(i),e.content.appendChild(i)),e.pos+=t,e.trailingSpace=!1}function Yn(e,t,n){var r,i,o,l,a,s,c,u,d,f,h,p,m,g,y,v,b,w,x,k,C,S,L,T,M=e.markedSpans,N=e.text,A=0;if(M)for(i=N.length,l=1,a="",u=o=0;;){if(u==o){for(d=f=h=c="",p=m=null,u=Infinity,g=[],y=void 0,v=0;v<M.length;++v)if("bookmark"==(w=(b=M[v]).marker).type&&b.from==o&&w.widgetNode)g.push(w);else if(b.from<=o&&(null==b.to||b.to>o||w.collapsed&&b.to==o&&b.from==o)){if(null!=b.to&&b.to!=o&&u>b.to&&(u=b.to,f=""),w.className&&(d+=" "+w.className),w.css&&(c=(c?c+";":"")+w.css),w.startStyle&&b.from==o&&(h+=" "+w.startStyle),w.endStyle&&b.to==u&&(y=y||[]).push(w.endStyle,b.to),w.title&&((m=m||{}).title=w.title),w.attributes)for(x in w.attributes)(m=m||{})[x]=w.attributes[x];w.collapsed&&(!p||On(p.marker,w)<0)&&(p=b)}else b.from>o&&u>b.from&&(u=b.from);if(y)for(k=0;k<y.length;k+=2)y[k+1]==u&&(f+=" 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t,n,r=e.delayedCallbacks,i=0;do{for(;i<r.length;i++)r[i].call(null);for(t=0;t<e.ops.length;t++)if((n=e.ops[t]).cursorActivityHandlers)for(;n.cursorActivityCalled<n.cursorActivityHandlers.length;)n.cursorActivityHandlers[n.cursorActivityCalled++].call(null,n.cm)}while(i<r.length)}(n)}finally{F=null,t(n)}}function er(e,t){var n,r,i,o,l=At(e,t);if(l.length)for(n=Array.prototype.slice.call(arguments,2),F?r=F.delayedCallbacks:R?r=R:(r=R=[],setTimeout(tr,0)),i=function(e){r.push(function(){return l[e].apply(null,n)})},o=0;o<l.length;++o)i(o)}function tr(){var e,t=R;for(R=null,e=0;e<t.length;++e)t[e]()}function nr(e,t,n,r){var i,o;for(i=0;i<t.changes.length;i++)"text"==(o=t.changes[i])?or(e,t):"gutter"==o?ar(e,t,n,r):"class"==o?lr(e,t):"widget"==o&&sr(e,t,r);t.changes=null}function rr(e){return e.node==e.text&&(e.node=it("div",null,null,"position: 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ur(e,t,n,r,i){var o,l,a,s,c;if(t.widgets)for(o=rr(n),l=0,a=t.widgets;l<a.length;++l)c=it("div",[(s=a[l]).node],"CodeMirror-linewidget"),s.handleMouseEvents||c.setAttribute("cm-ignore-events","true"),dr(s,c,n,r),e.display.input.setUneditable(c),i&&s.above?o.insertBefore(c,n.gutter||n.text):o.appendChild(c),er(s,"redraw")}function dr(e,t,n,r){if(e.noHScroll){(n.alignable||(n.alignable=[])).push(t);var i=r.wrapperWidth;t.style.left=r.fixedPos+"px",e.coverGutter||(i-=r.gutterTotalWidth,t.style.paddingLeft=r.gutterTotalWidth+"px"),t.style.width=i+"px"}e.coverGutter&&(t.style.zIndex=5,t.style.position="relative",e.noHScroll||(t.style.marginLeft=-r.gutterTotalWidth+"px"))}function fr(e){var t,n;return null!=e.height?e.height:(t=e.doc.cm)?(lt(document.body,e.node)||(n="position: relative;",e.coverGutter&&(n+="margin-left: -"+t.display.gutters.offsetWidth+"px;"),e.noHScroll&&(n+="width: 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r,i;if(e.line==t)return{map:e.measure.map,cache:e.measure.cache};for(r=0;r<e.rest.length;r++)if(e.rest[r]==t)return{map:e.measure.maps[r],cache:e.measure.caches[r]};for(i=0;i<e.rest.length;i++)if(Qt(e.rest[i])>n)return{map:e.measure.maps[i],cache:e.measure.caches[i],before:!0}}function xr(e,t,n,r){return Sr(e,Cr(e,t),n,r)}function kr(e,t){if(t>=e.display.viewFrom&&t<e.display.viewTo)return e.display.view[Zr(e,t)];var n=e.display.externalMeasured;return n&&t>=n.lineN&&t<n.lineN+n.size?n:void 0}function Cr(e,t){var n,r=Qt(t),i=kr(e,r);return i&&!i.text?i=null:i&&i.changes&&(nr(e,i,r,qr(e)),e.curOp.forceUpdate=!0),{line:t,view:i=i||function o(e,t){var n,r,i;return n=Qt(t=In(t)),(r=e.display.externalMeasured=new Zn(e.doc,t,n)).lineN=n,i=r.built=Un(e,r),r.text=i.pre,rt(e.display.lineMeasure,i.pre),r}(e,t),rect:null,map:(n=wr(i,t,r)).map,cache:n.cache,before:n.before,hasHeights:!1}}function Sr(e,t,n,r,i){t.before&&(n=-1);var o,l=n+(r||"");return t.cache.hasOwnProperty(l)?o=t.cache[l]:(t.rect||(t.rect=t.view.text.getBoundingClientRect()),t.hasHeights||(function u(e,t,n){var r,i,o,l,a,s=e.options.lineWrapping,c=s&&vr(e);if(!t.measure.heights||s&&t.measure.width!=c){if(r=t.measure.heights=[],s)for(t.measure.width=c,i=t.text.firstChild.getClientRects(),o=0;o<i.length-1;o++)l=i[o],a=i[o+1],2<Math.abs(l.bottom-a.bottom)&&r.push((l.bottom+a.top)/2-n.top);r.push(n.bottom-n.top)}}(e,t.view,t.rect),t.hasHeights=!0),(o=function k(e,t,n,r){var i,o,l,a,s,c,u,d,f,h,p,m,g=Lr(t.map,n,r),y=g.node,v=g.start,b=g.end,w=g.collapse;if(3==y.nodeType){for(o=0;o<4;o++){for(;v&&Ct(t.line.text.charAt(g.coverStart+v));)--v;for(;g.coverStart+b<g.coverEnd&&Ct(t.line.text.charAt(g.coverStart+b));)++b;if((i=Re&&Be<9&&0==v&&b==g.coverEnd-g.coverStart?y.parentNode.getBoundingClientRect():Tr(C(y,v,b).getClientRects(),r)).left||i.right||0==v)break;b=v,--v,w="right"}Re&&Be<11&&(i=function 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null!=e.cachedCharWidth?e.cachedCharWidth:(t=it("span","xxxxxxxxxx"),n=it("pre",[t],"CodeMirror-line-like"),rt(e.measure,n),2<(i=((r=t.getBoundingClientRect()).right-r.left)/10)&&(e.cachedCharWidth=i),i||10)}function qr(e){var t,n,r,i=e.display,o={},l={},a=i.gutters.clientLeft;for(t=i.gutters.firstChild,n=0;t;t=t.nextSibling,++n)o[r=e.display.gutterSpecs[n].className]=t.offsetLeft+t.clientLeft+a,l[r]=t.clientWidth;return{fixedPos:_r(i),gutterTotalWidth:i.gutters.offsetWidth,gutterLeft:o,gutterWidth:l,wrapperWidth:i.wrapper.clientWidth}}function _r(e){return e.scroller.getBoundingClientRect().left-e.sizer.getBoundingClientRect().left}function $r(r){var i=Gr(r.display),o=r.options.lineWrapping,
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0,o=0,!n.hidden){if(Re&&Be<8?(i=(l=n.node.offsetTop+n.node.offsetHeight)-f,f=l):(i=(a=n.node.getBoundingClientRect()).bottom-a.top,!r&&n.text.firstChild&&(o=n.text.firstChild.getBoundingClientRect().right-a.left-1)),(.005<(s=n.line.height-i)||s<-.005)&&(Zt(n.line,i),pi(n.line),n.rest))for(c=0;c<n.rest.length;c++)pi(n.rest[c]);o>e.display.sizerWidth&&(u=Math.ceil(o/Ur(e.display)))>e.display.maxLineLength&&(e.display.maxLineLength=u,e.display.maxLine=n.line,e.display.maxLineChanged=!0)}}function pi(e){var t,n,r;if(e.widgets)for(t=0;t<e.widgets.length;++t)(r=(n=e.widgets[t]).node.parentNode)&&(n.height=r.offsetHeight)}function mi(e,t,n){var r,i,o,l,a,s=n&&null!=n.top?Math.max(0,n.top):e.scroller.scrollTop;return s=Math.floor(s-pr(e)),r=n&&null!=n.bottom?n.bottom:s+e.wrapper.clientHeight,i=Jt(t,s),o=Jt(t,r),n&&n.ensure&&(l=n.ensure.from.line,a=n.ensure.to.line,l<i?o=Jt(t,jn($t(t,i=l))+e.wrapper.clientHeight):Math.min(a,t.lastLine())>=o&&(i=Jt(t,jn($t(t,a))-e.wrapper.clientHeight),o=a)),{from:i,to:Math.max(o,i+1)}}function gi(e,t){var n,r,i,o,l,a,s,c,u,d,f=e.display,h=Gr(e.display);return t.top<0&&(t.top=0),n=e.curOp&&null!=e.curOp.scrollTop?e.curOp.scrollTop:f.scroller.scrollTop,r=br(e),i={},t.bottom-t.top>r&&(t.bottom=t.top+r),o=e.doc.height+mr(f),l=t.top<h,a=t.bottom>o-h,t.top<n?i.scrollTop=l?0:t.top:t.bottom>n+r&&(s=Math.min(t.top,(a?o:t.bottom)-r))!=n&&(i.scrollTop=s),c=e.curOp&&null!=e.curOp.scrollLeft?e.curOp.scrollLeft:f.scroller.scrollLeft,u=vr(e)-(e.options.fixedGutter?f.gutters.offsetWidth:0),(d=t.right-t.left>u)&&(t.right=t.left+u),t.left<10?i.scrollLeft=0:t.left<c?i.scrollLeft=Math.max(0,t.left-(d?0:10)):t.right>u+c-3&&(i.scrollLeft=t.right+(d?0:10)-u),i}function yi(e,t){null!=t&&(wi(e),e.curOp.scrollTop=(null==e.curOp.scrollTop?e.doc.scrollTop:e.curOp.scrollTop)+t)}function vi(e){wi(e);var t=e.getCursor();e.curOp.scrollToPos={from:t,to:t,margin:e.options.cursorScrollMargin}}function bi(e,t,n){null==t&&null==n||wi(e),null!=t&&(e.curOp.scrollLeft=t),null!=n&&(e.curOp.scrollTop=n)}function wi(e){var t=e.curOp.scrollToPos;t&&(e.curOp.scrollToPos=null,xi(e,Er(e,t.from),Er(e,t.to),t.margin))}function xi(e,t,n,r){var i=gi(e,{left:Math.min(t.left,n.left),top:Math.min(t.top,n.top)-r,right:Math.max(t.right,n.right),bottom:Math.max(t.bottom,n.bottom)+r});bi(e,i.scrollLeft,i.scrollTop)}function ki(e,t){Math.abs(e.doc.scrollTop-t)<2||(He||Ki(e,{top:t}),Ci(e,t,!0),He&&Ki(e),Ri(e,100))}function Ci(e,t,n){t=Math.min(e.display.scroller.scrollHeight-e.display.scroller.clientHeight,t),e.display.scroller.scrollTop==t&&!n||(e.doc.scrollTop=t,e.display.scrollbars.setScrollTop(t),e.display.scroller.scrollTop!=t&&(e.display.scroller.scrollTop=t))}function Si(e,t,n,r){t=Math.min(t,e.display.scroller.scrollWidth-e.display.scroller.clientWidth),(n?t==e.doc.scrollLeft:Math.abs(e.doc.scrollLeft-t)<2)&&!r||(e.doc.scrollLeft=t,qi(e),e.display.scroller.scrollLeft!=t&&(e.display.scroller.scrollLeft=t),e.display.scrollbars.setScrollLeft(t))}function Li(e){var t=e.display,n=t.gutters.offsetWidth,r=Math.round(e.doc.height+mr(e.display));return{clientHeight:t.scroller.clientHeight,viewHeight:t.wrapper.clientHeight,scrollWidth:t.scroller.scrollWidth,clientWidth:t.scroller.clientWidth,viewWidth:t.wrapper.clientWidth,barLeft:e.options.fixedGutter?n:0,docHeight:r,scrollHeight:r+yr(e)+t.barHeight,nativeBarWidth:t.nativeBarWidth,gutterWidth:n}}function Ti(e,t){var n,r,i;for(t=t||Li(e),n=e.display.barWidth,r=e.display.barHeight,Mi(e,t),i=0;i<4&&n!=e.display.barWidth||r!=e.display.barHeight;i++)n!=e.display.barWidth&&e.options.lineWrapping&&hi(e),Mi(e,Li(e)),n=e.display.barWidth,r=e.display.barHeight}function Mi(e,t){var n=e.display,r=n.scrollbars.update(t);n.sizer.style.paddingRight=(n.barWidth=r.right)+"px",n.sizer.style.paddingBottom=(n.barHeight=r.bottom)+"px",n.heightForcer.style.borderBottom=r.bottom+"px solid transparent",r.right&&r.bottom?(n.scrollbarFiller.style.display="block",n.scrollbarFiller.style.height=r.bottom+"px",n.scrollbarFiller.style.width=r.right+"px"):n.scrollbarFiller.style.display="",r.bottom&&e.options.coverGutterNextToScrollbar&&e.options.fixedGutter?(n.gutterFiller.style.display="block",n.gutterFiller.style.height=r.bottom+"px",n.gutterFiller.style.width=t.gutterWidth+"px"):n.gutterFiller.style.display=""}function Ni(n){n.display.scrollbars&&(n.display.scrollbars.clear(),n.display.scrollbars.addClass&&l(n.display.wrapper,n.display.scrollbars.addClass)),n.display.scrollbars=new K[n.options.scrollbarStyle](function(e){n.display.wrapper.insertBefore(e,n.display.scrollbarFiller),T(e,"mousedown",function(){n.state.focused&&setTimeout(function(){return n.display.input.focus()},0)}),e.setAttribute("cm-not-content","true")},function(e,t){("horizontal"==t?Si:ki)(n,e)},n),n.display.scrollbars.addClass&&st(n.display.wrapper,n.display.scrollbars.addClass)}function Ai(e){e.curOp={cm:e,viewChanged:!1,startHeight:e.doc.height,forceUpdate:!1,updateInput:0,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++G},function t(e){F?F.ops.push(e
-):e.ownsGroup=F={ops:[e],delayedCallbacks:[]}}(e.curOp)}function Oi(e){var t=e.curOp;t&&Jn(t,function(e){for(var t=0;t<e.ops.length;t++)e.ops[t].cm.curOp=null;!function s(e){var t,n,r,i,o,l;for(t=e.ops,n=0;n<t.length;n++)Di(t[n]);for(r=0;r<t.length;r++)(a=t[r]).updatedDisplay=a.mustUpdate&&ji(a.cm,a.update);var a;for(i=0;i<t.length;i++)Wi(t[i]);for(o=0;o<t.length;o++)zi(t[o]);for(l=0;l<t.length;l++)Pi(t[l])}(e)})}function Di(e){var t=e.cm,n=t.display;!function r(e){var t=e.display;!t.scrollbarsClipped&&t.scroller.offsetWidth&&(t.nativeBarWidth=t.scroller.offsetWidth-t.scroller.clientWidth,t.heightForcer.style.height=yr(e)+"px",t.sizer.style.marginBottom=-t.nativeBarWidth+"px",t.sizer.style.borderRightWidth=yr(e)+"px",t.scrollbarsClipped=!0)}(t),e.updateMaxLine&&Kn(t),e.mustUpdate=e.viewChanged||e.forceUpdate||null!=e.scrollTop||e.scrollToPos&&(e.scrollToPos.from.line<n.viewFrom||e.scrollToPos.to.line>=n.viewTo)||n.maxLineChanged&&t.options.lineWrapping,e.update=e.mustUpdate&&new U(t,e.mustUpdate&&{top:e.scrollTop,ensure:e.scrollToPos},e.forceUpdate)}function Wi(e){var t=e.cm,n=t.display;e.updatedDisplay&&hi(t),e.barMeasure=Li(t),n.maxLineChanged&&!t.options.lineWrapping&&(e.adjustWidthTo=xr(t,n.maxLine,n.maxLine.text.length).left+3,t.display.sizerWidth=e.adjustWidthTo,e.barMeasure.scrollWidth=Math.max(n.scroller.clientWidth,n.sizer.offsetLeft+e.adjustWidthTo+yr(t)+t.display.barWidth),e.maxScrollLeft=Math.max(0,n.sizer.offsetLeft+e.adjustWidthTo-vr(t))),(e.updatedDisplay||e.selectionChanged)&&(e.preparedSelection=n.input.prepareSelection())}function zi(e){var t,n=e.cm;null!=e.adjustWidthTo&&(n.display.sizer.style.minWidth=e.adjustWidthTo+"px",e.maxScrollLeft<n.doc.scrollLeft&&Si(n,Math.min(n.display.scroller.scrollLeft,e.maxScrollLeft),!0),n.display.maxLineChanged=!1),t=e.focus&&e.focus==at(),e.preparedSelection&&n.display.input.showSelection(e.preparedSelection,t),!e.updatedDisplay&&e.startHeight==n.doc.height||Ti(n,e.barMeasure),e.updatedDisplay&&Ui(n,e.barMeasure),e.selectionChanged&&si(n),n.state.focused&&e.updateInput&&n.display.input.reset(e.typing),t&&ci(e.cm)}function Pi(e){var t,n,r,i,o=e.cm,l=o.display,a=o.doc;if(e.updatedDisplay&&Vi(o,e.update),null==l.wheelStartX||null==e.scrollTop&&null==e.scrollLeft&&!e.scrollToPos||(l.wheelStartX=l.wheelStartY=null),null!=e.scrollTop&&Ci(o,e.scrollTop,e.forceScroll),null!=e.scrollLeft&&Si(o,e.scrollLeft,!0,!0),e.scrollToPos&&function s(e,t){var n,r,i,o;Wt(e,"scrollCursorIntoView")||(r=(n=e.display).sizer.getBoundingClientRect(),i=null,t.top+r.top<0?i=!0:t.bottom+r.top>(window.innerHeight||document.documentElement.clientHeight)&&(i=!1),null==i||_e||(o=it("div","​",null,"position: absolute;\n                         top: "+(t.top-n.viewOffset-pr(e.display))+"px;\n                         height: "+(t.bottom-t.top+yr(e)+n.barHeight)+"px;\n                         left: "+t.left+"px; width: "+Math.max(2,t.right-t.left)+"px;"),e.display.lineSpace.appendChild(o),o.scrollIntoView(i),e.display.lineSpace.removeChild(o)))}(o,function f(e,t,n,r){var i,o,l,a,s,c,u,d;for(null==r&&(r=0),e.options.lineWrapping||t!=n||(n="before"==(t=t.ch?nn(t.line,"before"==t.sticky?t.ch-1:t.ch,"after"):t).sticky?nn(t.line,t.ch+1,"before"):t),o=0;o<5&&(l=!1,a=Ir(e,t),s=n&&n!=t?Ir(e,n):a,c=gi(e,i={left:Math.min(a.left,s.left),top:Math.min(a.top,s.top)-r,right:Math.max(a.left,s.left),bottom:Math.max(a.bottom,s.bottom)+r}),u=e.doc.scrollTop,d=e.doc.scrollLeft,null!=c.scrollTop&&(ki(e,c.scrollTop),1<Math.abs(e.doc.scrollTop-u)&&(l=!0)),null!=c.scrollLeft&&(Si(e,c.scrollLeft),1<Math.abs(e.doc.scrollLeft-d)&&(l=!0)),l);o++);return i}(o,un(a,e.scrollToPos.from),un(a,e.scrollToPos.to),e.scrollToPos.margin)),t=e.maybeHiddenMarkers,n=e.maybeUnhiddenMarkers,t)for(r=0;r<t.length;++r)t[r].lines.length||Dt(t[r],"hide");if(n)for(i=0;i<n.length;++i)n[i].lines.length&&Dt(n[i],"unhide");l.wrapper.offsetHeight&&(a.scrollTop=o.display.scroller.scrollTop),e.changeObjs&&Dt(o,"changes",o,e.changeObjs),e.update&&e.update.finish()}function Hi(e,t){if(e.curOp)return t();Ai(e);try{return t()}finally{Oi(e)}}function Ii(e,t){return function(){if(e.curOp)return t.apply(e,arguments);Ai(e);try{return t.apply(e,arguments)}finally{Oi(e)}}}function Ei(e){return function(){if(this.curOp)return e.apply(this,arguments);Ai(this);try{return e.apply(this,arguments)}finally{Oi(this)}}}function Fi(t){return function(){var e=this.cm;if(!e||e.curOp)return t.apply(this,arguments);Ai(e);try{return t.apply(this,arguments)}finally{Oi(e)}}}function Ri(e,t){e.doc.highlightFrontier<e.display.viewTo&&e.state.highlight.set(t,ut(Bi,e))}function Bi(s){var c,u,d,f=s.doc;f.highlightFrontier>=s.display.viewTo||(c=+new Date+s.options.workTime,u=pn(s,f.highlightFrontier),d=[],f.iter(u.line,Math.min(f.first+f.size,s.display.viewTo+500),function(e){var t,n,r,i,o,l,a;if(u.line>=s.display.viewFrom){for(t=e.styles,n=e.text.length>s.options.maxHighlightLength?Ut(f.mode,u.state):null,r=fn(s,e,u,!0),n&&(u.state=n),e.styles=r.styles,i=e.styleClasses,(o=r.classes)?e.styleClasses=o:i&&(e.styleClasses=null),l=!t||t.length!=e.styles.length||i!=o&&(!i||!o||i.bgClass!=o.bgClass||i.textClass!=o.textClass),a=0;!l&&a<t.length;++a)l=t[a]!=e.styles[a];l&&d.push(u.line),e.stateAfter=u.save(),u.nextLine()}else e.text.length<=s.options.maxHighlightLength&&mn(s,e.text,u),e.stateAfter=u.line%5==0?u.save():null,u.nextLine();if(+new Date>c)return Ri(s,s.options.workDelay),!0}),f.highlightFrontier=u.line,f.modeFrontier=Math.max(f.modeFrontier,u.line),d.length&&Hi(s,function(){for(var e=0;e<d.length;e++)Jr(s,d[e],"text")}))}function ji(e,t){var n,r,i,o,l,a,s=e.display,c=e.doc;return t.editorIsHidden?(ei(e),!1):!(!t.force&&t.visible.from>=s.viewFrom&&t.visible.to<=s.viewTo&&(null==s.updateLineNumbers||s.updateLineNumbers>=s.viewTo)&&s.renderedView==s.view&&0==ni(e))&&(_i(e)&&(ei(e),t.dims=qr(e)),n=c.first+c.size,r=Math.max(t.visible.from-e.options.viewportMargin,c.first),i=Math.min(n,t.visible.to+e.options.viewportMargin),s.viewFrom<r&&r-s.viewFrom<20&&(
-r=Math.max(c.first,s.viewFrom)),s.viewTo>i&&s.viewTo-i<20&&(i=Math.min(n,s.viewTo)),P&&(r=En(e.doc,r),i=Fn(e.doc,i)),o=r!=s.viewFrom||i!=s.viewTo||s.lastWrapHeight!=t.wrapperHeight||s.lastWrapWidth!=t.wrapperWidth,function u(e,t,n){var r=e.display;0==r.view.length||t>=r.viewTo||n<=r.viewFrom?(r.view=Qn(e,t,n),r.viewFrom=t):(r.viewFrom>t?r.view=Qn(e,t,r.viewFrom).concat(r.view):r.viewFrom<t&&(r.view=r.view.slice(Zr(e,t))),r.viewFrom=t,r.viewTo<n?r.view=r.view.concat(Qn(e,r.viewTo,n)):r.viewTo>n&&(r.view=r.view.slice(0,Zr(e,n)))),r.viewTo=n}(e,r,i),s.viewOffset=jn($t(e.doc,s.viewFrom)),e.display.mover.style.top=s.viewOffset+"px",l=ni(e),!(!o&&0==l&&!t.force&&s.renderedView==s.view&&(null==s.updateLineNumbers||s.updateLineNumbers>=s.viewTo))&&(a=function d(e){var t,n,r;return!e.hasFocus()&&(t=at())&&lt(e.display.lineDiv,t)?(n={activeElt:t},window.getSelection&&(r=window.getSelection()).anchorNode&&r.extend&&lt(e.display.lineDiv,r.anchorNode)&&(n.anchorNode=r.anchorNode,n.anchorOffset=r.anchorOffset,n.focusNode=r.focusNode,n.focusOffset=r.focusOffset),n):null}(e),4<l&&(s.lineDiv.style.display="none"),function b(n,e,t){var r,i,o,l,a,s,c=n.display,u=n.options.lineNumbers,d=c.lineDiv,f=d.firstChild;function h(e){var t=e.nextSibling;return je&&Ze&&n.display.currentWheelTarget==e?e.style.display="none":e.parentNode.removeChild(e),t}for(r=c.view,i=c.viewFrom,o=0;o<r.length;o++){if(!(l=r[o]).hidden)if(l.node&&l.node.parentNode==d){for(;f!=l.node;)f=h(f);s=u&&null!=e&&e<=i&&l.lineNumber,l.changes&&(-1<ht(l.changes,"gutter")&&(s=!1),nr(n,l,i,t)),s&&(nt(l.lineNumber),l.lineNumber.appendChild(document.createTextNode(tn(n.options,i)))),f=l.node.nextSibling}else g=i,y=t,v=ir(p=n,m=l),m.text=m.node=v.pre,v.bgClass&&(m.bgClass=v.bgClass),v.textClass&&(m.textClass=v.textClass),lr(p,m),ar(p,m,g,y),cr(p,m,y),a=m.node,d.insertBefore(a,f);i+=l.size}var p,m,g,y,v;for(;f;)f=h(f)}(e,s.updateLineNumbers,t.dims),4<l&&(s.lineDiv.style.display=""),s.renderedView=s.view,function f(e){if(e&&e.activeElt&&e.activeElt!=at()&&(e.activeElt.focus(),e.anchorNode&&lt(document.body,e.anchorNode)&&lt(document.body,e.focusNode))){var t=window.getSelection(),n=document.createRange();n.setEnd(e.anchorNode,e.anchorOffset),n.collapse(!1),t.removeAllRanges(),t.addRange(n),t.extend(e.focusNode,e.focusOffset)}}(a),nt(s.cursorDiv),nt(s.selectionDiv),s.gutters.style.height=s.sizer.style.minHeight=0,o&&(s.lastWrapHeight=t.wrapperHeight,s.lastWrapWidth=t.wrapperWidth,Ri(e,400)),!(s.updateLineNumbers=null)))}function Vi(e,t){var n,r,i=t.viewport;for(n=!0;(n&&e.options.lineWrapping&&t.oldDisplayWidth!=vr(e)||(i&&null!=i.top&&(i={top:Math.min(e.doc.height+mr(e.display)-br(e),i.top)}),t.visible=mi(e.display,e.doc,i),!(t.visible.from>=e.display.viewFrom&&t.visible.to<=e.display.viewTo)))&&ji(e,t);n=!1)hi(e),r=Li(e),ri(e),Ti(e,r),Ui(e,r),t.force=!1;t.signal(e,"update",e),e.display.viewFrom==e.display.reportedViewFrom&&e.display.viewTo==e.display.reportedViewTo||(t.signal(e,"viewportChange",e,e.display.viewFrom,e.display.viewTo),e.display.reportedViewFrom=e.display.viewFrom,e.display.reportedViewTo=e.display.viewTo)}function Ki(e,t){var n,r=new U(e,t);ji(e,r)&&(hi(e),Vi(e,r),n=Li(e),ri(e),Ti(e,n),Ui(e,n),r.finish())}function Gi(e){var t=e.gutters.offsetWidth;e.sizer.style.marginLeft=t+"px"}function Ui(e,t){e.display.sizer.style.minHeight=t.docHeight+"px",e.display.heightForcer.style.top=t.docHeight+"px",e.display.gutters.style.height=t.docHeight+e.display.barHeight+yr(e)+"px"}function qi(e){var t,n,r,i,o,l,a=e.display,s=a.view;if(a.alignWidgets||a.gutters.firstChild&&e.options.fixedGutter){for(t=_r(a)-a.scroller.scrollLeft+e.doc.scrollLeft,n=a.gutters.offsetWidth,r=t+"px",i=0;i<s.length;i++)if(!s[i].hidden&&(e.options.fixedGutter&&(s[i].gutter&&(s[i].gutter.style.left=r),s[i].gutterBackground&&(s[i].gutterBackground.style.left=r)),o=s[i].alignable))for(l=0;l<o.length;l++)o[l].style.left=r;e.options.fixedGutter&&(a.gutters.style.left=t+n+"px")}}function _i(e){var t,n,r,i,o,l;return e.options.lineNumbers&&(t=e.doc,n=tn(e.options,t.first+t.size-1),r=e.display,n.length!=r.lineNumChars&&(o=(i=r.measure.appendChild(it("div",[it("div",n)],"CodeMirror-linenumber CodeMirror-gutter-elt"))).firstChild.offsetWidth,l=i.offsetWidth-o,r.lineGutter.style.width="",r.lineNumInnerWidth=Math.max(o,r.lineGutter.offsetWidth-l)+1,r.lineNumWidth=r.lineNumInnerWidth+l,r.lineNumChars=r.lineNumInnerWidth?n.length:-1,r.lineGutter.style.width=r.lineNumWidth+"px",Gi(e.display),1))}function $i(e,t){var n,r,i,o=[],l=!1;for(n=0;n<e.length;n++){if(i=null,"string"!=typeof(r=e[n])&&(i=r.style,r=r.className),"CodeMirror-linenumbers"==r){if(!t)continue;l=!0}o.push({className:r,style:i})}return t&&!l&&o.push({className:"CodeMirror-linenumbers",style:null}),o}function Xi(e){var t,n,r,i,o,l=e.gutters,a=e.gutterSpecs;for(nt(l),e.lineGutter=null,t=0;t<a.length;++t)r=(n=a[t]).className,i=n.style,o=l.appendChild(it("div",null,"CodeMirror-gutter "+r)),i&&(o.style.cssText=i),"CodeMirror-linenumbers"==r&&((e.lineGutter=o).style.width=(e.lineNumWidth||1)+"px");l.style.display=a.length?"":"none",Gi(e)}function Yi(e){Xi(e.display),Qr(e),qi(e)}function Zi(e,t,n,r){var i,o=this;this.input=n,o.scrollbarFiller=it("div",null,"CodeMirror-scrollbar-filler"),o.scrollbarFiller.setAttribute("cm-not-content","true"),o.gutterFiller=it("div",null,"CodeMirror-gutter-filler"),o.gutterFiller.setAttribute("cm-not-content","true"),o.lineDiv=ot("div",null,"CodeMirror-code"),o.selectionDiv=it("div",null,null,"position: relative; z-index: 1"),o.cursorDiv=it("div",null,"CodeMirror-cursors"),o.measure=it("div",null,"CodeMirror-measure"),o.lineMeasure=it("div",null,"CodeMirror-measure"),o.lineSpace=ot("div",[o.measure,o.lineMeasure,o.selectionDiv,o.cursorDiv,o.lineDiv],null,"position: relative; outline: none"),i=ot("div",[o.lineSpace],"CodeMirror-lines"),o.mover=it("div",[i],null,"position: relative"),o.sizer=it("div",[o.mover],"CodeMirror-sizer"),o.sizerWidth=null,o.heightForcer=it("div",null,null,
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e.replaceSelection("\n","start")},toggleOverwrite:function(e){return e.toggleOverwrite()}},ue=new s,de=null,fe=400,(he=function(e,t,n){this.time=e,this.pos=t,this.button=n}).prototype.compare=function(e,t,n){return this.time+fe>e&&0==rn(t,this.pos)&&n==this.button},ge={toString:function(){return"CodeMirror.Init"}},ye={},ve={},Il.defaults=ye,Il.optionHandlers=ve,be=[],Il.defineInitHook=function(e){return be.push(e)},we=null,(xe=function(e){this.cm=e,this.lastAnchorNode=this.lastAnchorOffset=this.lastFocusNode=this.lastFocusOffset=null,this.polling=new s,this.composing=null,this.gracePeriod=!1,this.readDOMTimeout=null}).prototype.init=function(e){var t=this,l=this,a=l.cm,s=l.div=e.lineDiv;function n(e){var t,n,r,i,o;if(!Wt(a,e)){if(a.somethingSelected())Fl({lineWise:!1,text:a.getSelections()}),"cut"==e.type&&a.replaceSelection("",null,"cut");else{if(!a.options.lineWiseCopyCut)return;Fl({lineWise:!0,text:(t=Vl(a)).text}),"cut"==e.type&&a.operation(function(){a.setSelections(t.ranges,0,m),a.replaceSelection("",null,"cut")})}e.clipboardData&&(e.clipboardData.clearData(),n=we.text.join("\n"),e.clipboardData.setData("Text",n),e.clipboardData.getData("Text")==n)?e.preventDefault():(i=(r=Gl()).firstChild,a.display.lineSpace.insertBefore(r,a.display.lineSpace.firstChild),i.value=we.text.join("\n"),o=document.activeElement,c(i),setTimeout(function(){a.display.lineSpace.removeChild(r),o.focus(),o==s&&l.showPrimarySelection()},50))}}Kl(s,a.options.spellcheck,a.options.autocorrect,a.options.autocapitalize),T(s,"paste",function(e){Wt(a,e)||Bl(e,a)||Be<=11&&setTimeout(Ii(a,function(){return t.updateFromDOM()}),20)}),T(s,"compositionstart",function(e){t.composing={data:e.data,done:!1}}),T(s,"compositionupdate",function(e){t.composing||(t.composing={data:e.data,done:!1})}),T(s,"compositionend",function(e){t.composing&&(e.data!=t.composing.data&&t.readFromDOMSoon(),t.composing.done=!0)}),T(s,"touchstart",function(){return l.forceCompositionEnd()}),T(s,"input",function(){t.composing||t.readFromDOMSoon()}),T(s,"copy",n),T(s,"cut",n)},xe.prototype.prepareSelection=function(){var e=ii(this.cm,!1);return e.focus=this.cm.state.focused,e},xe.prototype.showSelection=function(e,t){e&&this.cm.display.view.length&&((e.focus||t)&&this.showPrimarySelection(),this.showMultipleSelections(e))},xe.prototype.getSelection=function(){return this.cm.display.wrapper.ownerDocument.getSelection()},xe.prototype.showPrimarySelection=function(){var e,t,n,r,i,o,l,a,s,c=this.getSelection(),u=this.cm,d=u.doc.sel.primary(),f=d.from(),h=d.to();if(u.display.viewTo==u.display.viewFrom||f.line>=u.display.viewTo||h.line<u.display.viewFrom)c.removeAllRanges();else if(e=Xl(u,c.anchorNode,c.anchorOffset),t=Xl(u,c.focusNode,c.focusOffset),!e||e.bad||!t||t.bad||0!=rn(sn(e,t),f)||0!=rn(an(e,t),h))if(n=u.display.view,r=f.line>=u.display.viewFrom&&_l(u,f)||{node:n[0].measure.map[2],offset:0},i=(i=h.line<u.display.viewTo&&_l(u,h))||{node:(l=(o=n[n.length-1].measure).maps?o.maps[o.maps.length-1]:o.map)[l.length-1],offset:l[l.length-2]-l[l.length-3]},r&&i){a=c.rangeCount&&c.getRangeAt(0);try{s=C(r.node,r.offset,i.offset,i.node)}catch(p){}s&&(!He&&u.state.focused?(c.collapse(r.node,r.offset),s.collapsed||(c.removeAllRanges(),c.addRange(s))):(c.removeAllRanges(),c.addRange(s)),a&&null==c.anchorNode?c.addRange(a):He&&this.startGracePeriod()),this.rememberSelection()}else c.removeAllRanges()},xe.prototype.startGracePeriod=function(){var e=this;clearTimeout(this.gracePeriod),this.gracePeriod=setTimeout(function(){e.gracePeriod=!1,e.selectionChanged()&&e.cm.operation(function(){return e.cm.curOp.selectionChanged=!0})},20)},xe.prototype.showMultipleSelections=function(e){rt(this.cm.display.cursorDiv,e.cursors),rt(this.cm.display.selectionDiv,e.selection)},xe.prototype.rememberSelection=function(){var e=this.getSelection();this.lastAnchorNode=e.anchorNode,this.lastAnchorOffset=e.anchorOffset,this.lastFocusNode=e.focusNode,this.lastFocusOffset=e.focusOffset},xe.prototype.selectionInEditor=function(){var e,t=this.getSelection();return!!t.rangeCount&&(e=t.getRangeAt(0).commonAncestorContainer,lt(this.div,e))},xe.prototype.focus=function(){"nocursor"!=this.cm.options.readOnly&&(this.selectionInEditor()||this.showSelection(this.prepareSelection(),!0),this.div.focus())},xe.prototype.blur=function(){this.div.blur()},xe.prototype.getField=function(){return this.div},xe.prototype.supportsTouch=function(){return!0},xe.prototype.receivedFocus=function(){var e=this;this.selectionInEditor()?this.pollSelection():Hi(this.cm,function(){return e.cm.curOp.selectionChanged=!0}),this.polling.set(this.cm.options.pollInterval,function t(){e.cm.state.focused&&(e.pollSelection(),e.polling.set(e.cm.options.pollInterval,t))})},xe.prototype.selectionChanged=function(){var e=this.getSelection();return e.anchorNode!=this.lastAnchorNode||e.anchorOffset!=this.lastAnchorOffset||e.focusNode!=this.lastFocusNode||e.focusOffset!=this.lastFocusOffset},xe.prototype.pollSelection=function(){var e,t,n,r;if(
-null==this.readDOMTimeout&&!this.gracePeriod&&this.selectionChanged()){if(e=this.getSelection(),t=this.cm,Xe&&Ke&&this.cm.display.gutterSpecs.length&&function i(e){for(var t=e;t;t=t.parentNode)if(/CodeMirror-gutter-wrapper/.test(t.className))return 1;return}(e.anchorNode))return this.cm.triggerOnKeyDown({type:"keydown",keyCode:8,preventDefault:Math.abs}),this.blur(),void this.focus();this.composing||(this.rememberSelection(),n=Xl(t,e.anchorNode,e.anchorOffset),r=Xl(t,e.focusNode,e.focusOffset),n&&r&&Hi(t,function(){Do(t.doc,no(n,r),m),(n.bad||r.bad)&&(t.curOp.selectionChanged=!0)}))}},xe.prototype.pollContent=function(){var e,t,n,r,i,o,l,a,s,c,u,d,f,h,p,m,g,y,v,b,w,x,k;if(null!=this.readDOMTimeout&&(clearTimeout(this.readDOMTimeout),this.readDOMTimeout=null),t=(e=this.cm).display,r=(n=e.doc.sel.primary()).from(),i=n.to(),0==r.ch&&r.line>e.firstLine()&&(r=nn(r.line-1,$t(e.doc,r.line-1).length)),i.ch==$t(e.doc,i.line).text.length&&i.line<e.lastLine()&&(i=nn(i.line+1,0)),r.line<t.viewFrom||i.line>t.viewTo-1)return!1;if(a=r.line==t.viewFrom||0==(o=Zr(e,r.line))?(l=Qt(t.view[0].line),t.view[0].node):(l=Qt(t.view[o].line),t.view[o-1].node.nextSibling),u=(s=Zr(e,i.line))==t.view.length-1?(c=t.viewTo-1,t.lineDiv.lastChild):(c=Qt(t.view[s+1].line)-1,t.view[s+1].node.previousSibling),!a)return!1;for(d=e.doc.splitLines(function C(s,e,t,c,u){var n="",d=!1,f=s.doc.lineSeparator(),h=!1;function p(){d&&(n+=f,h&&(n+=f),d=h=!1)}function m(e){e&&(p(),n+=e)}function g(e){var t,n,r,i,o,l;if(1==e.nodeType){if(t=e.getAttribute("cm-text"))return void m(t);if(n=e.getAttribute("cm-marker"))return void((i=s.findMarks(nn(c,0),nn(u+1,0),function a(t){return function(e){return e.id==t}}(+n))).length&&(r=i[0].find(0))&&m(Xt(s.doc,r.from,r.to).join(f)));if("false"==e.getAttribute("contenteditable"))return;if(o=/^(pre|div|p|li|table|br)$/i.test(e.nodeName),!/^br$/i.test(e.nodeName)&&0==e.textContent.length)return;for(o&&p(),l=0;l<e.childNodes.length;l++)g(e.childNodes[l]);/^(pre|p)$/i.test(e.nodeName)&&(h=!0),o&&(d=!0)}else 3==e.nodeType&&m(e.nodeValue.replace(/\u200b/g,"").replace(/\u00a0/g," "))}for(;g(e),e!=t;)e=e.nextSibling,h=!1;return n}(e,a,u,l,c)),f=Xt(e.doc,nn(l,0),nn(c,$t(e.doc,c).text.length));1<d.length&&1<f.length;)if(gt(d)==gt(f))d.pop(),f.pop(),c--;else{if(d[0]!=f[0])break;d.shift(),f.shift(),l++}for(m=d[p=h=0],g=f[0],y=Math.min(m.length,g.length);h<y&&m.charCodeAt(h)==g.charCodeAt(h);)++h;for(v=gt(d),b=gt(f),w=Math.min(v.length-(1==d.length?h:0),b.length-(1==f.length?h:0));p<w&&v.charCodeAt(v.length-p-1)==b.charCodeAt(b.length-p-1);)++p;if(1==d.length&&1==f.length&&l==r.line)for(;h&&h>r.ch&&v.charCodeAt(v.length-p-1)==b.charCodeAt(b.length-p-1);)h--,p++;return d[d.length-1]=v.slice(0,v.length-p).replace(/^\u200b+/,""),d[0]=d[0].slice(h).replace(/\u200b+$/,""),x=nn(l,h),k=nn(c,f.length?gt(f).length-p:0),1<d.length||d[0]||rn(x,k)?(qo(e.doc,d,x,k,"+input"),!0):void 0},xe.prototype.ensurePolled=function(){this.forceCompositionEnd()},xe.prototype.reset=function(){this.forceCompositionEnd()},xe.prototype.forceCompositionEnd=function(){this.composing&&(clearTimeout(this.readDOMTimeout),this.composing=null,this.updateFromDOM(),this.div.blur(),this.div.focus())},xe.prototype.readFromDOMSoon=function(){var e=this;null==this.readDOMTimeout&&(this.readDOMTimeout=setTimeout(function(){if(e.readDOMTimeout=null,e.composing){if(!e.composing.done)return;e.composing=null}e.updateFromDOM()},80))},xe.prototype.updateFromDOM=function(){var e=this;!this.cm.isReadOnly()&&this.pollContent()||Hi(this.cm,function(){return Qr(e.cm)})},xe.prototype.setUneditable=function(e){e.contentEditable="false"},xe.prototype.onKeyPress=function(e){0==e.charCode||this.composing||(e.preventDefault(),this.cm.isReadOnly()||Ii(this.cm,Rl)(this.cm,String.fromCharCode(null==e.charCode?e.keyCode:e.charCode),0))},xe.prototype.readOnlyChanged=function(e){this.div.contentEditable=String("nocursor"!=e)},xe.prototype.onContextMenu=function(){},xe.prototype.resetPosition=function(){},xe.prototype.needsContentAttribute=!0,(ke=function(e){this.cm=e,this.prevInput="",this.pollingFast=!1,this.polling=new s,this.hasSelection=!1,this.composing=null}).prototype.init=function(n){var r,e=this,i=this,o=this.cm;function t(e){if(!Wt(o,e)){if(o.somethingSelected())Fl({lineWise:!1,text:o.getSelections()});else{if(!o.options.lineWiseCopyCut)return;var t=Vl(o);Fl({lineWise:!0,text:t.text}),"cut"==e.type?o.setSelections(t.ranges,null,m):(i.prevInput="",r.value=t.text.join("\n"),c(r))}"cut"==e.type&&(o.state.cutIncoming=+new Date)}}this.createField(n),r=this.textarea,n.wrapper.insertBefore(this.wrapper,n.wrapper.firstChild),$e&&(r.style.width="0px"),T(r,"input",function(){Re&&9<=Be&&e.hasSelection&&(e.hasSelection=null),i.poll()}),T(r,"paste",function(e){Wt(o,e)||Bl(e,o)||(o.state.pasteIncoming=+new Date,i.fastPoll())}),T(r,"cut",t),T(r,"copy",t),T(n.scroller,"paste",function(e){if(!hr(n,e)&&!Wt(o,e)){if(!r.dispatchEvent)return o.state.pasteIncoming=+new Date,void i.focus();var t=new Event("paste");t.clipboardData=e.clipboardData,r.dispatchEvent(t)}}),T(n.lineSpace,"selectstart",function(e){hr(n,e)||It(e)}),T(r,"compositionstart",function(){var e=o.getCursor("from");i.composing&&i.composing.range.clear(),i.composing={start:e,range:o.markText(e,o.getCursor("to"),{className:"CodeMirror-composing"})}}),T(r,"compositionend",function(){i.composing&&(i.poll(),i.composing.range.clear(),i.composing=null)})},ke.prototype.createField=function(e){this.wrapper=Gl(),this.textarea=this.wrapper.firstChild},ke.prototype.prepareSelection=function(){var e,t,n,r=this.cm,i=r.display,o=r.doc,l=ii(r);return r.options.moveInputWithCursor&&(e=Ir(r,o.sel.primary().head,"div"),t=i.wrapper.getBoundingClientRect(),n=i.lineDiv.getBoundingClientRect(),l.teTop=Math.max(0,Math.min(i.wrapper.clientHeight-10,e.top+n.top-t.top)),l.teLeft=Math.max(0,Math.min(i.wrapper.clientWidth-10,e.left+n.left-t.left))),l},ke.prototype.showSelection=function(e){var t=this.cm.display;rt(t.cursorDiv,e.cursors),rt(
-t.selectionDiv,e.selection),null!=e.teTop&&(this.wrapper.style.top=e.teTop+"px",this.wrapper.style.left=e.teLeft+"px")},ke.prototype.reset=function(e){var t,n;this.contextMenuPending||this.composing||((t=this.cm).somethingSelected()?(this.prevInput="",n=t.getSelection(),this.textarea.value=n,t.state.focused&&c(this.textarea),Re&&9<=Be&&(this.hasSelection=n)):e||(this.prevInput=this.textarea.value="",Re&&9<=Be&&(this.hasSelection=null)))},ke.prototype.getField=function(){return this.textarea},ke.prototype.supportsTouch=function(){return!1},ke.prototype.focus=function(){if("nocursor"!=this.cm.options.readOnly&&(!Ye||at()!=this.textarea))try{this.textarea.focus()}catch(e){}},ke.prototype.blur=function(){this.textarea.blur()},ke.prototype.resetPosition=function(){this.wrapper.style.top=this.wrapper.style.left=0},ke.prototype.receivedFocus=function(){this.slowPoll()},ke.prototype.slowPoll=function(){var e=this;this.pollingFast||this.polling.set(this.cm.options.pollInterval,function(){e.poll(),e.cm.state.focused&&e.slowPoll()})},ke.prototype.fastPoll=function(){var e=!1,t=this;t.pollingFast=!0,t.polling.set(20,function n(){t.poll()||e?(t.pollingFast=!1,t.slowPoll()):(e=!0,t.polling.set(60,n))})},ke.prototype.poll=function(){var e,t,n,r,i=this,o=this.cm,l=this.textarea,a=this.prevInput;if(this.contextMenuPending||!o.state.focused||h(l)&&!a&&!this.composing||o.isReadOnly()||o.options.disableInput||o.state.keySeq)return!1;if((e=l.value)==a&&!o.somethingSelected())return!1;if(Re&&9<=Be&&this.hasSelection===e||Ze&&/[\uf700-\uf7ff]/.test(e))return o.display.input.reset(),!1;if(o.doc.sel==o.display.selForContextMenu&&(8203!=(t=e.charCodeAt(0))||a||(a="​"),8666==t))return this.reset(),this.cm.execCommand("undo");for(n=0,r=Math.min(a.length,e.length);n<r&&a.charCodeAt(n)==e.charCodeAt(n);)++n;return Hi(o,function(){Rl(o,e.slice(n),a.length-n,null,i.composing?"*compose":null),1e3<e.length||-1<e.indexOf("\n")?l.value=i.prevInput="":i.prevInput=e,i.composing&&(i.composing.range.clear(),i.composing.range=o.markText(i.composing.start,o.getCursor("to"),{className:"CodeMirror-composing"}))}),!0},ke.prototype.ensurePolled=function(){this.pollingFast&&this.poll()&&(this.pollingFast=!1)},ke.prototype.onKeyPress=function(){Re&&9<=Be&&(this.hasSelection=null),this.fastPoll()},ke.prototype.onContextMenu=function(e){var t,n,r,i,o,l,a,s=this,c=s.cm,u=c.display,d=s.textarea;function f(){var e,t;null!=d.selectionStart&&(t="​"+((e=c.somethingSelected())?d.value:""),d.value="⇚",d.value=t,s.prevInput=e?"":"​",d.selectionStart=1,d.selectionEnd=t.length,u.selForContextMenu=c.doc.sel)}function h(){if(s.contextMenuPending==h&&(s.contextMenuPending=!1,s.wrapper.style.cssText=i,d.style.cssText=r,Re&&Be<9&&u.scrollbars.setScrollTop(u.scroller.scrollTop=n),null!=d.selectionStart)){(!Re||Re&&Be<9)&&f();var e=0,t=function(){u.selForContextMenu==c.doc.sel&&0==d.selectionStart&&0<d.selectionEnd&&"​"==s.prevInput?Ii(c,Ro)(c):e++<10?u.detectingSelectAll=setTimeout(t,500):(u.selForContextMenu=null,u.input.reset())};u.detectingSelectAll=setTimeout(t,200)}}s.contextMenuPending&&s.contextMenuPending(),t=Yr(c,e),n=u.scroller.scrollTop,t&&!Ge&&(c.options.resetSelectionOnContextMenu&&-1==c.doc.sel.contains(t)&&Ii(c,Do)(c.doc,no(t),m),r=d.style.cssText,i=s.wrapper.style.cssText,o=s.wrapper.offsetParent.getBoundingClientRect(),s.wrapper.style.cssText="position: static",d.style.cssText="position: absolute; width: 30px; height: 30px;\n      top: "+(e.clientY-o.top-5)+"px; left: "+(e.clientX-o.left-5)+"px;\n      z-index: 1000; background: "+(Re?"rgba(255, 255, 255, .05)":"transparent")+";\n      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);",je&&(l=window.scrollY),u.input.focus(),je&&window.scrollTo(null,l),u.input.reset(),c.somethingSelected()||(d.value=s.prevInput=" "),s.contextMenuPending=h,u.selForContextMenu=c.doc.sel,clearTimeout(u.detectingSelectAll),Re&&9<=Be&&f(),p?(Rt(e),a=function(){Ot(window,"mouseup",a),setTimeout(h,20)},T(window,"mouseup",a)):setTimeout(h,50))},ke.prototype.readOnlyChanged=function(e){e||this.reset(),this.textarea.disabled="nocursor"==e},ke.prototype.setUneditable=function(){},ke.prototype.needsContentAttribute=!1,function Zl(i){var o=i.optionHandlers;function e(e,t,r,n){i.defaults[e]=t,r&&(o[e]=n?function(e,t,n){n!=ge&&r(e,t,n)}:r)}i.defineOption=e,i.Init=ge,e("value","",function(e,t){return e.setValue(t)},!0),e("mode",null,function(e,t){e.doc.modeOption=t,ao(e)},!0),e("indentUnit",2,ao,!0),e("indentWithTabs",!1),e("smartIndent",!0),e("tabSize",4,function(e){so(e),Ar(e),Qr(e)},!0),e("lineSeparator",null,function(e,r){var i,o,t;if(e.doc.lineSep=r)for(i=[],o=e.doc.first,e.doc.iter(function(e){var t,n;for(t=0;-1!=(n=e.text.indexOf(r,t));)t=n+r.length,i.push(nn(o,n));o++}),t=i.length-1;0<=t;t--)qo(e.doc,r,i[t],nn(i[t].line,i[t].ch+r.length))}),e("specialChars",/[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff\ufff9-\ufffc]/g,function(e,t,n){e.state.specialChars=new RegExp(t.source+(t.test("\t")?"":"|\t"),"g"),n!=ge&&e.refresh()}),e("specialCharPlaceholder",qn,function(e){return e.refresh()},!0),e("electricChars",!0),e("inputStyle",Ye?"contenteditable":"textarea",function(){throw new Error("inputStyle can not (yet) be changed in a running editor")},!0),e("spellcheck",!1,function(e,t){return e.getInputField().spellcheck=t},!0),e("autocorrect",!1,function(e,t){return e.getInputField().autocorrect=t},!0),e("autocapitalize",!1,function(e,t){return e.getInputField().autocapitalize=t},!0),e("rtlMoveVisually",!Je),e("wholeLineUpdateBefore",!0),e("theme","default",function(e){zl(e),Yi(e)},!0),e("keyMap","default",function(e,t,n){var r=pl(t),i=n!=ge&&pl(n);i&&i.detach&&i.detach(e,r),r.attach&&r.attach(e,i||null)}),e("extraKeys",null),e("configureMouse",null),e("lineWrapping",!1,Hl,!0),e("gutters",[],function(e,t){e.display.gutterSpecs=$i(t,e.options.lineNumbers),Yi(e)},!0),e("fixedGutter",!0,function(e,t){e.display.gutters.style.left=t?_r(e.display
-)+"px":"0",e.refresh()},!0),e("coverGutterNextToScrollbar",!1,function(e){return Ti(e)},!0),e("scrollbarStyle","native",function(e){Ni(e),Ti(e),e.display.scrollbars.setScrollTop(e.doc.scrollTop),e.display.scrollbars.setScrollLeft(e.doc.scrollLeft)},!0),e("lineNumbers",!1,function(e,t){e.display.gutterSpecs=$i(e.options.gutters,t),Yi(e)},!0),e("firstLineNumber",1,Yi,!0),e("lineNumberFormatter",function(e){return e},Yi,!0),e("showCursorWhenSelecting",!1,ri,!0),e("resetSelectionOnContextMenu",!0),e("lineWiseCopyCut",!0),e("pasteLinesPerSelection",!0),e("selectionsMayTouch",!1),e("readOnly",!1,function(e,t){"nocursor"==t&&(fi(e),e.display.input.blur()),e.display.input.readOnlyChanged(t)}),e("disableInput",!1,function(e,t){t||e.display.input.reset()},!0),e("dragDrop",!0,Pl),e("allowDropFileTypes",null),e("cursorBlinkRate",530),e("cursorScrollMargin",0),e("cursorHeight",1,ri,!0),e("singleCursorHeightPerLine",!0,ri,!0),e("workTime",100),e("workDelay",100),e("flattenSpans",!0,so,!0),e("addModeClass",!1,so,!0),e("pollInterval",100),e("undoDepth",200,function(e,t){return e.doc.history.undoDepth=t}),e("historyEventDelay",1250),e("viewportMargin",10,function(e){return e.refresh()},!0),e("maxHighlightLength",1e4,so,!0),e("moveInputWithCursor",!0,function(e,t){t||e.display.input.resetPosition()}),e("tabindex",null,function(e,t){return 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r=0,i=n(t);r<e.length&&n(e[r])<=i;)r++;e.splice(r,0,t)}(this.state.overlays,{mode:n,modeSpec:e,opaque:t&&t.opaque,priority:t&&t.priority||0},function(e){return e.priority}),this.state.modeGen++,Qr(this)}),removeOverlay:Ei(function(e){var t,n,r=this,i=this.state.overlays;for(t=0;t<i.length;++t)if((n=i[t].modeSpec)==e||"string"==typeof e&&n.name==e)return i.splice(t,1),r.state.modeGen++,void Qr(r)}),indentLine:Ei(function(e,t,n){"string"!=typeof t&&"number"!=typeof t&&(t=null==t?this.options.smartIndent?"smart":"prev":t?"add":"subtract"),en(this.doc,e)&&El(this,e,t,n)}),indentSelection:Ei(function(e){var t,n,r,i,o,l,a,s=this,c=this.doc.sel.ranges,u=-1;for(t=0;t<c.length;t++)if((n=c[t]).empty())n.head.line>u&&(El(s,n.head.line,e,!0),u=n.head.line,t==s.doc.sel.primIndex&&vi(s));else{for(r=n.from(),i=n.to(),o=Math.max(u,r.line),u=Math.min(s.lastLine(),i.line-(i.ch?0:1))+1,l=o;l<u;++l)El(s,l,e);a=s.doc.sel.ranges,0==r.ch&&c.length==a.length&&0<a[t].from().ch&&No(s.doc,t,new 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n,r,i,o,l,a,s=e.display,c=Or(e.display);return t.top<0&&(t.top=0),n=(e.curOp&&null!=e.curOp.scrollTop?e.curOp:s.scroller).scrollTop,r=or(e),i={},t.bottom-t.top>r&&(t.bottom=t.top+r),a=e.doc.height+tr(s),l=t.top<c,c=t.bottom>a-c,t.top<n?i.scrollTop=l?0:t.top:t.bottom>n+r&&(o=Math.min(t.top,(c?a:t.bottom)-r))!=n&&(i.scrollTop=o),l=(e.curOp&&null!=e.curOp.scrollLeft?e.curOp:s.scroller).scrollLeft,c=ir(e)-(e.options.fixedGutter?s.gutters.offsetWidth:0),(a=t.right-t.left>c)&&(t.right=t.left+c),t.left<10?i.scrollLeft=0:t.left<l?i.scrollLeft=Math.max(0,t.left-(a?0:10)):t.right>c+l-3&&(i.scrollLeft=t.right+(a?0:10)-c),i}function ni(e,t){null!=t&&(oi(e),e.curOp.scrollTop=(null==e.curOp.scrollTop?e.doc:e.curOp).scrollTop+t)}function ri(e){oi(e);var t=e.getCursor();e.curOp.scrollToPos={from:t,to:t,margin:e.options.cursorScrollMargin}}function ii(e,t,n){null==t&&null==n||oi(e),null!=t&&(e.curOp.scrollLeft=t),null!=n&&(e.curOp.scrollTop=n)}function oi(e){var t=e.curOp.scrollToPos;t&&(e.curOp.scrollToPos=null,li(e,kr(e,t.from),kr(e,t.to),t.margin))}function li(e,t,n,r){t=ti(e,{left:Math.min(t.left,n.left),top:Math.min(t.top,n.top)-r,right:Math.max(t.right,n.right),bottom:Math.max(t.bottom,n.bottom)+r});ii(e,t.scrollLeft,t.scrollTop)}function ai(e,t){Math.abs(e.doc.scrollTop-t)<2||(Re||Si(e,{top:t}),si(e,t,!0),Re&&Si(e),wi(e,100))}function si(e,t,n){t=Math.min(e.display.scroller.scrollHeight-e.display.scroller.clientHeight,t),e.display.scroller.scrollTop==t&&!n||(e.doc.scrollTop=t,e.display.scrollbars.setScrollTop(t),e.display.scroller.scrollTop!=t&&(e.display.scroller.scrollTop=t))}function ci(e,t,n,r){t=Math.min(t,e.display.scroller.scrollWidth-e.display.scroller.clientWidth),(n?t==e.doc.scrollLeft:Math.abs(e.doc.scrollLeft-t)<2)&&!r||(e.doc.scrollLeft=t,Mi(e),e.display.scroller.scrollLeft!=t&&(e.display.scroller.scrollLeft=t),e.display.scrollbars.setScrollLeft(t))}function ui(e){var t=e.display,n=t.gutters.offsetWidth,r=Math.round(e.doc.height+tr(e.display));return{clientHeight:t.scroller.clientHeight,viewHeight:t.wrapper.clientHeight,scrollWidth:t.scroller.scrollWidth,clientWidth:t.scroller.clientWidth,viewWidth:t.wrapper.clientWidth,barLeft:e.options.fixedGutter?n:0,docHeight:r,scrollHeight:r+rr(e)+t.barHeight,nativeBarWidth:t.nativeBarWidth,gutterWidth:n}}function di(e,t){var n,r,i;for(t=t||ui(e),n=e.display.barWidth,r=e.display.barHeight,hi(e,t),i=0;i<4&&n!=e.display.barWidth||r!=e.display.barHeight;i++)n!=e.display.barWidth&&e.options.lineWrapping&&Qr(e),hi(e,ui(e)),n=e.display.barWidth,r=e.display.barHeight}function hi(e,t){var n=e.display,r=n.scrollbars.update(t);n.sizer.style.paddingRight=(n.barWidth=r.right)+"px",n.sizer.style.paddingBottom=(n.barHeight=r.bottom)+"px",n.heightForcer.style.borderBottom=r.bottom+"px solid transparent",r.right&&r.bottom?(n.scrollbarFiller.style.display="block",n.scrollbarFiller.style.height=r.bottom+"px",n.scrollbarFiller.style.width=r.right+"px"):n.scrollbarFiller.style.display="",r.bottom&&e.options.coverGutterNextToScrollbar&&e.options.fixedGutter?(n.gutterFiller.style.display="block",n.gutterFiller.style.height=r.bottom+"px",n.gutterFiller.style.width=t.gutterWidth+"px"):n.gutterFiller.style.display=""}function fi(n){n.display.scrollbars&&(n.display.scrollbars.clear(),n.display.scrollbars.addClass&&l(n.display.wrapper,n.display.scrollbars.addClass)),n.display.scrollbars=new Y[n.options.scrollbarStyle](function(e){n.display.wrapper.insertBefore(e,n.display.scrollbarFiller),w(e,"mousedown",function(){n.state.focused&&setTimeout(function(){return n.display.input.focus()},0)}),e.setAttribute("cm-not-content","true")},function(e,t){("horizontal"==t?ci:ai)(n,e)},n),n.display.scrollbars.addClass&&at(n.display.wrapper,n.display.scrollbars.addClass)}function pi(e){e.curOp={cm:e,viewChanged:!1,startHeight:e.doc.height,forceUpdate:!1,updateInput:0,typing:!1,changeObjs:null,cursorActivityHandlers:null,cursorActivityCalled:0,selectionChanged:!1,updateMaxLine:!1,scrollLeft:null,scrollTop:null,scrollToPos:null,focus:!1,id:++Z},e=e.curOp,q?q.ops.push(e):e.ownsGroup=q={ops:[e],delayedCallbacks:[]}}function mi(e){e=e.curOp;if(e){var t=function(u){for(var e,d,h,f,p,m,g=0;g<u.ops.length;g++)u.ops[g].cm.curOp=null;for(e=u.ops,d=0;d<e.length;d++){t=void 0;n=void 0;y=void 0;var t=e[d];var n=t.cm,y=n.display;(function(e){var t=e.display;!t.scrollbarsClipped&&t.scroller.offsetWidth&&(t.nativeBarWidth=t.scroller.offsetWidth-t.scroller.clientWidth,t.heightForcer.style.height=rr(e)+"px",t.sizer.style.marginBottom=-t.nativeBarWidth+"px",t.sizer.style.borderRightWidth=rr(e)+"px",t.scrollbarsClipped=!0)})(n),t.updateMaxLine&&Hn(n);t.mustUpdate=t.viewChanged||t.forceUpdate||null!=t.scrollTop||t.scrollToPos&&(t.scrollToPos.from.line<y.viewFrom||t.scrollToPos.to.line>=y.viewTo)||y.maxLineChanged&&n.options.lineWrapping,t.update=t.mustUpdate&&new Q(n,t.mustUpdate&&{top:t.scrollTop,ensure:t.scrollToPos},t.forceUpdate)}for(h=0;h<e.length;h++){v=void 0;var v=e[h];v.updatedDisplay=v.mustUpdate&&ki(v.cm,v.update)}for(f=0;f<e.length;f++){r=void 0;
+i=void 0;o=void 0;var r=e[f];var i=r.cm,o=i.display;r.updatedDisplay&&Qr(i);r.barMeasure=ui(i),o.maxLineChanged&&!i.options.lineWrapping&&(r.adjustWidthTo=ar(i,o.maxLine,o.maxLine.text.length).left+3,i.display.sizerWidth=r.adjustWidthTo,r.barMeasure.scrollWidth=Math.max(o.scroller.clientWidth,o.sizer.offsetLeft+r.adjustWidthTo+rr(i)+i.display.barWidth),r.maxScrollLeft=Math.max(0,o.sizer.offsetLeft+r.adjustWidthTo-ir(i)));(r.updatedDisplay||r.selectionChanged)&&(r.preparedSelection=o.input.prepareSelection())}for(p=0;p<e.length;p++){l=void 0;a=void 0;b=void 0;var l=e[p];var b,a=l.cm;null!=l.adjustWidthTo&&(a.display.sizer.style.minWidth=l.adjustWidthTo+"px",l.maxScrollLeft<a.doc.scrollLeft&&ci(a,Math.min(a.display.scroller.scrollLeft,l.maxScrollLeft),!0),a.display.maxLineChanged=!1);b=l.focus&&l.focus==lt();l.preparedSelection&&a.display.input.showSelection(l.preparedSelection,b);!l.updatedDisplay&&l.startHeight==a.doc.height||di(a,l.barMeasure);l.updatedDisplay&&Ti(a,l.barMeasure);l.selectionChanged&&_r(a);a.state.focused&&l.updateInput&&a.display.input.reset(l.typing);b&&$r(l.cm)}for(m=0;m<e.length;m++){s=void 0;c=void 0;L=void 0;T=void 0;w=void 0;x=void 0;k=void 0;C=void 0;S=void 0;var s=e[m];var w,x,k,C,S,c=s.cm,L=c.display,T=c.doc;s.updatedDisplay&&Ci(c,s.update);null==L.wheelStartX||null==s.scrollTop&&null==s.scrollLeft&&!s.scrollToPos||(L.wheelStartX=L.wheelStartY=null);null!=s.scrollTop&&si(c,s.scrollTop,s.forceScroll);null!=s.scrollLeft&&ci(c,s.scrollLeft,!0,!0);s.scrollToPos&&(w=function(e,t,n,r){var i,o,l,a,s,c;for(null==r&&(r=0),e.options.lineWrapping||t!=n||(n="before"==(t=t.ch?A(t.line,"before"==t.sticky?t.ch-1:t.ch,"after"):t).sticky?A(t.line,t.ch+1,"before"):t),o=0;o<5&&(l=!1,a=xr(e,t),s=n&&n!=t?xr(e,n):a,a=ti(e,i={left:Math.min(a.left,s.left),top:Math.min(a.top,s.top)-r,right:Math.max(a.left,s.left),bottom:Math.max(a.bottom,s.bottom)+r}),s=e.doc.scrollTop,c=e.doc.scrollLeft,null!=a.scrollTop&&(ai(e,a.scrollTop),1<Math.abs(e.doc.scrollTop-s)&&(l=!0)),null!=a.scrollLeft&&(ci(e,a.scrollLeft),1<Math.abs(e.doc.scrollLeft-c)&&(l=!0)),l);o++);return i}(c,O(T,s.scrollToPos.from),O(T,s.scrollToPos.to),s.scrollToPos.margin),function(e,t){var n,r,i;Dt(e,"scrollCursorIntoView")||(i=(n=e.display).sizer.getBoundingClientRect(),r=null,t.top+i.top<0?r=!0:t.bottom+i.top>(window.innerHeight||document.documentElement.clientHeight)&&(r=!1),null==r||Xe||(i=M("div","​",null,"position: absolute;\n                         top: "+(t.top-n.viewOffset-er(e.display))+"px;\n                         height: "+(t.bottom-t.top+rr(e)+n.barHeight)+"px;\n                         left: "+t.left+"px; width: "+Math.max(2,t.right-t.left)+"px;"),e.display.lineSpace.appendChild(i),i.scrollIntoView(r),e.display.lineSpace.removeChild(i)))}(c,w));x=s.maybeHiddenMarkers,k=s.maybeUnhiddenMarkers;if(x)for(C=0;C<x.length;++C)x[C].lines.length||Ot(x[C],"hide");if(k)for(S=0;S<k.length;++S)k[S].lines.length&&Ot(k[S],"unhide");L.wrapper.offsetHeight&&(T.scrollTop=c.display.scroller.scrollTop);s.changeObjs&&Ot(c,"changes",c,s.changeObjs);s.update&&s.update.finish()}};if(e=e.ownsGroup)try{var n,r,i=e,o=i.delayedCallbacks,l=0;do{for(;l<o.length;l++)o[l].call(null);for(n=0;n<i.ops.length;n++)if((r=i.ops[n]).cursorActivityHandlers)for(;r.cursorActivityCalled<r.cursorActivityHandlers.length;)r.cursorActivityHandlers[r.cursorActivityCalled++].call(null,r.cm)}while(l<o.length)}finally{q=null,t(e)}}}function gi(e,t){if(e.curOp)return t();pi(e);try{return t()}finally{mi(e)}}function yi(e,t){return function(){if(e.curOp)return t.apply(e,arguments);pi(e);try{return t.apply(e,arguments)}finally{mi(e)}}}function vi(e){return function(){if(this.curOp)return e.apply(this,arguments);pi(this);try{return e.apply(this,arguments)}finally{mi(this)}}}function bi(t){return function(){var e=this.cm;if(!e||e.curOp)return t.apply(this,arguments);pi(e);try{return t.apply(this,arguments)}finally{mi(e)}}}function wi(e,t){e.doc.highlightFrontier<e.display.viewTo&&e.state.highlight.set(t,ct(xi,e))}function xi(l){var a,s,c,u=l.doc;u.highlightFrontier>=l.display.viewTo||(a=+new Date+l.options.workTime,s=cn(l,u.highlightFrontier),c=[],u.iter(s.line,Math.min(u.first+u.size,l.display.viewTo+500),function(e){var t,n,r,i,o;if(s.line>=l.display.viewFrom){for(t=e.styles,n=e.text.length>l.options.maxHighlightLength?Gt(u.mode,s.state):null,r=an(l,e,s,!0),n&&(s.state=n),e.styles=r.styles,n=e.styleClasses,(r=r.classes)?e.styleClasses=r:n&&(e.styleClasses=null),i=!t||t.length!=e.styles.length||n!=r&&(!n||!r||n.bgClass!=r.bgClass||n.textClass!=r.textClass),o=0;!i&&o<t.length;++o)i=t[o]!=e.styles[o];i&&c.push(s.line),e.stateAfter=s.save(),s.nextLine()}else e.text.length<=l.options.maxHighlightLength&&un(l,e.text,s),e.stateAfter=s.line%5==0?s.save():null,s.nextLine();if(+new Date>a)return wi(l,l.options.workDelay),!0}),u.highlightFrontier=s.line,u.modeFrontier=Math.max(u.modeFrontier,s.line),c.length&&gi(l,function(){for(var e=0;e<c.length;e++)Rr(l,c[e],"text")}))}function ki(e,t){var n,r,i,o,l,a=e.display,u=e.doc;if(t.editorIsHidden)return Br(e),!1;if(!t.force&&t.visible.from>=a.viewFrom&&t.visible.to<=a.viewTo&&(null==a.updateLineNumbers||a.updateLineNumbers>=a.viewTo)&&a.renderedView==a.view&&0==Vr(e))return!1;if(Ni(e)&&(Br(e),t.dims=Wr(e)),n=u.first+u.size,c=Math.max(t.visible.from-e.options.viewportMargin,u.first),i=Math.min(n,t.visible.to+e.options.viewportMargin),a.viewFrom<c&&c-a.viewFrom<20&&(c=Math.max(u.first,a.viewFrom)),a.viewTo>i&&a.viewTo-i<20&&(i=Math.min(n,a.viewTo)),V&&(c=On(e.doc,c),i=Dn(e.doc,i)),u=c!=a.viewFrom||i!=a.viewTo||a.lastWrapHeight!=t.wrapperHeight||a.lastWrapWidth!=t.wrapperWidth,n=c,c=i,0==(r=(i=e).display).view.length||n>=r.viewTo||c<=r.viewFrom?(r.view=Vn(i,n,c),r.viewFrom=n):(r.viewFrom>n?r.view=Vn(i,n,r.viewFrom).concat(r.view):r.viewFrom<n&&(r.view=r.view.slice(Er(i,n))),r.viewFrom=n,r.viewTo<c?r.view=r.view.concat(Vn(i,r.viewTo,c)):r.viewTo>c&&(r.view=r.view.slice(0,Er(i,c)))),r.viewTo=c,a.viewOffset=zn(N(e.doc,a.viewFrom)),
+e.display.mover.style.top=a.viewOffset+"px",n=Vr(e),!u&&0==n&&!t.force&&a.renderedView==a.view&&(null==a.updateLineNumbers||a.updateLineNumbers>=a.viewTo))return!1;r=!(i=e).hasFocus()&&(l=lt())&&ot(i.display.lineDiv,l)?(l={activeElt:l},window.getSelection&&(o=window.getSelection()).anchorNode&&o.extend&&ot(i.display.lineDiv,o.anchorNode)&&(l.anchorNode=o.anchorNode,l.anchorOffset=o.anchorOffset,l.focusNode=o.focusNode,l.focusOffset=o.focusOffset),l):null,4<n&&(a.lineDiv.style.display="none");var d,h,f,s,p,m=e,g=a.updateLineNumbers,y=t.dims,c=m.display,v=m.options.lineNumbers,b=c.lineDiv,w=b.firstChild;function x(e){var t=e.nextSibling;return Ge&&Je&&m.display.currentWheelTarget==e?e.style.display="none":e.parentNode.removeChild(e),t}for(d=c.view,h=c.viewFrom,f=0;f<d.length;f++){if(!(s=d[f]).hidden)if(s.node&&s.node.parentNode==b){for(;w!=s.node;)w=x(w);p=v&&null!=g&&g<=h&&s.lineNumber,s.changes&&(-1<ht(s.changes,"gutter")&&(p=!1),Un(m,s,h,y)),p&&(nt(s.lineNumber),s.lineNumber.appendChild(document.createTextNode(Jt(m.options,h)))),w=s.node.nextSibling}else p=function(e,t,n,r){var i=_n(e,t);return t.text=t.node=i.pre,i.bgClass&&(t.bgClass=i.bgClass),i.textClass&&(t.textClass=i.textClass),$n(e,t),Xn(e,t,n,r),Yn(e,t,r),t.node}(m,s,h,y),b.insertBefore(p,w);h+=s.size}for(;w;)w=x(w);return 4<n&&(a.lineDiv.style.display=""),a.renderedView=a.view,(i=r)&&i.activeElt&&i.activeElt!=lt()&&(i.activeElt.focus(),i.anchorNode&&ot(document.body,i.anchorNode)&&ot(document.body,i.focusNode)&&(o=window.getSelection(),(l=document.createRange()).setEnd(i.anchorNode,i.anchorOffset),l.collapse(!1),o.removeAllRanges(),o.addRange(l),o.extend(i.focusNode,i.focusOffset))),nt(a.cursorDiv),nt(a.selectionDiv),a.gutters.style.height=a.sizer.style.minHeight=0,u&&(a.lastWrapHeight=t.wrapperHeight,a.lastWrapWidth=t.wrapperWidth,wi(e,400)),!(a.updateLineNumbers=null)}function Ci(e,t){for(var n,r=t.viewport,i=!0;(i&&e.options.lineWrapping&&t.oldDisplayWidth!=ir(e)||(r&&null!=r.top&&(r={top:Math.min(e.doc.height+tr(e.display)-or(e),r.top)}),t.visible=ei(e.display,e.doc,r),!(t.visible.from>=e.display.viewFrom&&t.visible.to<=e.display.viewTo)))&&ki(e,t);i=!1)Qr(e),n=ui(e),Kr(e),di(e,n),Ti(e,n),t.force=!1;t.signal(e,"update",e),e.display.viewFrom==e.display.reportedViewFrom&&e.display.viewTo==e.display.reportedViewTo||(t.signal(e,"viewportChange",e,e.display.viewFrom,e.display.viewTo),e.display.reportedViewFrom=e.display.viewFrom,e.display.reportedViewTo=e.display.viewTo)}function Si(e,t){var n,t=new Q(e,t);ki(e,t)&&(Qr(e),Ci(e,t),n=ui(e),Kr(e),di(e,n),Ti(e,n),t.finish())}function Li(e){var t=e.gutters.offsetWidth;e.sizer.style.marginLeft=t+"px"}function Ti(e,t){e.display.sizer.style.minHeight=t.docHeight+"px",e.display.heightForcer.style.top=t.docHeight+"px",e.display.gutters.style.height=t.docHeight+e.display.barHeight+rr(e)+"px"}function Mi(e){var t,n,r,i,o,l,a=e.display,s=a.view;if(a.alignWidgets||a.gutters.firstChild&&e.options.fixedGutter){for(t=zr(a)-a.scroller.scrollLeft+e.doc.scrollLeft,n=a.gutters.offsetWidth,r=t+"px",i=0;i<s.length;i++)if(!s[i].hidden&&(e.options.fixedGutter&&(s[i].gutter&&(s[i].gutter.style.left=r),s[i].gutterBackground&&(s[i].gutterBackground.style.left=r)),o=s[i].alignable))for(l=0;l<o.length;l++)o[l].style.left=r;e.options.fixedGutter&&(a.gutters.style.left=t+n+"px")}}function Ni(e){var t,n,r,i;return e.options.lineNumbers&&(t=e.doc,t=Jt(e.options,t.first+t.size-1),n=e.display,t.length!=n.lineNumChars&&(r=(i=n.measure.appendChild(M("div",[M("div",t)],"CodeMirror-linenumber CodeMirror-gutter-elt"))).firstChild.offsetWidth,i=i.offsetWidth-r,n.lineGutter.style.width="",n.lineNumInnerWidth=Math.max(r,n.lineGutter.offsetWidth-i)+1,n.lineNumWidth=n.lineNumInnerWidth+i,n.lineNumChars=n.lineNumInnerWidth?t.length:-1,n.lineGutter.style.width=n.lineNumWidth+"px",Li(e.display),1))}function Ai(e,t){for(var n,r,i=[],o=!1,l=0;l<e.length;l++){if(r=null,"string"!=typeof(n=e[l])&&(r=n.style,n=n.className),"CodeMirror-linenumbers"==n){if(!t)continue;o=!0}i.push({className:n,style:r})}return t&&!o&&i.push({className:"CodeMirror-linenumbers",style:null}),i}function Oi(e){var t,n,r,i,o=e.gutters,l=e.gutterSpecs;for(nt(o),e.lineGutter=null,t=0;t<l.length;++t)n=(r=l[t]).className,r=r.style,i=o.appendChild(M("div",null,"CodeMirror-gutter "+n)),r&&(i.style.cssText=r),"CodeMirror-linenumbers"==n&&((e.lineGutter=i).style.width=(e.lineNumWidth||1)+"px");o.style.display=l.length?"":"none",Li(e)}function Di(e){Oi(e.display),Fr(e),Mi(e)}function Wi(e,t,n,r){var i,o=this;this.input=n,o.scrollbarFiller=M("div",null,"CodeMirror-scrollbar-filler"),o.scrollbarFiller.setAttribute("cm-not-content","true"),o.gutterFiller=M("div",null,"CodeMirror-gutter-filler"),o.gutterFiller.setAttribute("cm-not-content","true"),o.lineDiv=it("div",null,"CodeMirror-code"),o.selectionDiv=M("div",null,null,"position: relative; z-index: 1"),o.cursorDiv=M("div",null,"CodeMirror-cursors"),o.measure=M("div",null,"CodeMirror-measure"),o.lineMeasure=M("div",null,"CodeMirror-measure"),o.lineSpace=it("div",[o.measure,o.lineMeasure,o.selectionDiv,o.cursorDiv,o.lineDiv],null,"position: relative; outline: none"),i=it("div",[o.lineSpace],"CodeMirror-lines"),o.mover=M("div",[i],null,"position: relative"),o.sizer=M("div",[o.mover],"CodeMirror-sizer"),o.sizerWidth=null,o.heightForcer=M("div",null,null,"position: absolute; height: "+a+"px; width: 1px;"),o.gutters=M("div",null,"CodeMirror-gutters"),o.lineGutter=null,o.scroller=M("div",[o.sizer,o.heightForcer,o.gutters],"CodeMirror-scroll"),o.scroller.setAttribute("tabIndex","-1"),o.wrapper=M("div",[o.scrollbarFiller,o.gutterFiller,o.scroller],"CodeMirror"),Ve&&Ke<8&&(o.gutters.style.zIndex=-1,o.scroller.style.paddingRight=0),Ge||Re&&Qe||(o.scroller.draggable=!0),e&&(e.appendChild?e.appendChild(o.wrapper):e(o.wrapper)),o.viewFrom=o.viewTo=t.first,o.reportedViewFrom=o.reportedViewTo=t.first,o.view=[],o.renderedView=null,o.externalMeasured=null,o.viewOffset=0,o.lastWrapHeight=o.lastWrapWidth=0,o.updateLineNumbers=null,
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e=r.line,t=Yt(r.line),t=sr(o,t);t&&(hr(t),o.curOp.selectionChanged=o.curOp.forceUpdate=!0),o.curOp.updateMaxLine=!0,Wn(i.doc,e)||null==i.height||(t=i.height,i.height=null,(t=Qn(i)-t)&&Xt(e,e.height+t)),Kn(o,"markerChanged",o,n)})},ie.prototype.attachLine=function(e){var t;!this.lines.length&&this.doc.cm&&((t=this.doc.cm.curOp).maybeHiddenMarkers&&-1!=ht(t.maybeHiddenMarkers,this)||(t.maybeUnhiddenMarkers||(t.maybeUnhiddenMarkers=[])).push(this)),this.lines.push(e)},ie.prototype.detachLine=function(e){this.lines.splice(ht(this.lines,e),1),!this.lines.length&&this.doc.cm&&((e=this.doc.cm.curOp).maybeHiddenMarkers||(e.maybeHiddenMarkers=[])).push(this)},Pt(ie),(oe=function(e,t){var n;for(this.markers=e,this.primary=t,n=0;n<e.length;++n)e[n].parent=this}).prototype.clear=function(){var e;if(!this.explicitlyCleared){for(this.explicitlyCleared=!0,e=0;e<this.markers.length;++e)this.markers[e].clear();Kn(this,"clear")}},oe.prototype.find=function(e,t){return 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Se.push(e)},Le=null,(t=function(e){this.cm=e,this.lastAnchorNode=this.lastAnchorOffset=this.lastFocusNode=this.lastFocusOffset=null,this.polling=new p,this.composing=null,this.gracePeriod=!1,this.readDOMTimeout=null}).prototype.init=function(e){var t=this,o=this,l=o.cm,a=o.div=e.lineDiv;function n(
+e){var t,n,r,i;if(!Dt(l,e)){if(l.somethingSelected())vl({lineWise:!1,text:l.getSelections()}),"cut"==e.type&&l.replaceSelection("",null,"cut");else{if(!l.options.lineWiseCopyCut)return;vl({lineWise:!0,text:(t=kl(l)).text}),"cut"==e.type&&l.operation(function(){l.setSelections(t.ranges,0,v),l.replaceSelection("",null,"cut")})}e.clipboardData&&(e.clipboardData.clearData(),r=Le.text.join("\n"),e.clipboardData.setData("Text",r),e.clipboardData.getData("Text")==r)?e.preventDefault():(r=(n=Sl()).firstChild,l.display.lineSpace.insertBefore(n,l.display.lineSpace.firstChild),r.value=Le.text.join("\n"),i=document.activeElement,s(r),setTimeout(function(){l.display.lineSpace.removeChild(n),i.focus(),i==a&&o.showPrimarySelection()},50))}}Cl(a,l.options.spellcheck,l.options.autocorrect,l.options.autocapitalize),w(a,"paste",function(e){Dt(l,e)||wl(e,l)||Ke<=11&&setTimeout(yi(l,function(){return t.updateFromDOM()}),20)}),w(a,"compositionstart",function(e){t.composing={data:e.data,done:!1}}),w(a,"compositionupdate",function(e){t.composing||(t.composing={data:e.data,done:!1})}),w(a,"compositionend",function(e){t.composing&&(e.data!=t.composing.data&&t.readFromDOMSoon(),t.composing.done=!0)}),w(a,"touchstart",function(){return o.forceCompositionEnd()}),w(a,"input",function(){t.composing||t.readFromDOMSoon()}),w(a,"copy",n),w(a,"cut",n)},t.prototype.prepareSelection=function(){var e=Gr(this.cm,!1);return e.focus=this.cm.state.focused,e},t.prototype.showSelection=function(e,t){e&&this.cm.display.view.length&&((e.focus||t)&&this.showPrimarySelection(),this.showMultipleSelections(e))},t.prototype.getSelection=function(){return this.cm.display.wrapper.ownerDocument.getSelection()},t.prototype.showPrimarySelection=function(){var e,t,n,r=this.getSelection(),i=this.cm,o=i.doc.sel.primary(),l=o.from(),o=o.to();if(i.display.viewTo==i.display.viewFrom||l.line>=i.display.viewTo||o.line<i.display.viewFrom)r.removeAllRanges();else if(t=Al(i,r.anchorNode,r.anchorOffset),e=Al(i,r.focusNode,r.focusOffset),!t||t.bad||!e||e.bad||0!=k(rn(t,e),l)||0!=k(nn(t,e),o))if(t=i.display.view,e=l.line>=i.display.viewFrom&&Ml(i,l)||{node:t[0].measure.map[2],offset:0},l=(l=o.line<i.display.viewTo&&Ml(i,o))||{node:(t=(o=t[t.length-1].measure).maps?o.maps[o.maps.length-1]:o.map)[t.length-1],offset:t[t.length-2]-t[t.length-3]},e&&l){o=r.rangeCount&&r.getRangeAt(0);try{n=y(e.node,e.offset,l.offset,l.node)}catch(a){}n&&(!Re&&i.state.focused?(r.collapse(e.node,e.offset),n.collapsed||(r.removeAllRanges(),r.addRange(n))):(r.removeAllRanges(),r.addRange(n)),o&&null==r.anchorNode?r.addRange(o):Re&&this.startGracePeriod()),this.rememberSelection()}else r.removeAllRanges()},t.prototype.startGracePeriod=function(){var e=this;clearTimeout(this.gracePeriod),this.gracePeriod=setTimeout(function(){e.gracePeriod=!1,e.selectionChanged()&&e.cm.operation(function(){return e.cm.curOp.selectionChanged=!0})},20)},t.prototype.showMultipleSelections=function(e){rt(this.cm.display.cursorDiv,e.cursors),rt(this.cm.display.selectionDiv,e.selection)},t.prototype.rememberSelection=function(){var e=this.getSelection();this.lastAnchorNode=e.anchorNode,this.lastAnchorOffset=e.anchorOffset,this.lastFocusNode=e.focusNode,this.lastFocusOffset=e.focusOffset},t.prototype.selectionInEditor=function(){var e=this.getSelection();return!!e.rangeCount&&(e=e.getRangeAt(0).commonAncestorContainer,ot(this.div,e))},t.prototype.focus=function(){"nocursor"!=this.cm.options.readOnly&&(this.selectionInEditor()||this.showSelection(this.prepareSelection(),!0),this.div.focus())},t.prototype.blur=function(){this.div.blur()},t.prototype.getField=function(){return this.div},t.prototype.supportsTouch=function(){return!0},t.prototype.receivedFocus=function(){var e=this;this.selectionInEditor()?this.pollSelection():gi(this.cm,function(){return e.cm.curOp.selectionChanged=!0}),this.polling.set(this.cm.options.pollInterval,function t(){e.cm.state.focused&&(e.pollSelection(),e.polling.set(e.cm.options.pollInterval,t))})},t.prototype.selectionChanged=function(){var e=this.getSelection();return e.anchorNode!=this.lastAnchorNode||e.anchorOffset!=this.lastAnchorOffset||e.focusNode!=this.lastFocusNode||e.focusOffset!=this.lastFocusOffset},t.prototype.pollSelection=function(){var e,t,n,r;if(null==this.readDOMTimeout&&!this.gracePeriod&&this.selectionChanged()){if(e=this.getSelection(),t=this.cm,Ze&&Ue&&this.cm.display.gutterSpecs.length&&function(e){for(var t=e;t;t=t.parentNode)if(/CodeMirror-gutter-wrapper/.test(t.className))return!0;return!1}(e.anchorNode))return this.cm.triggerOnKeyDown({type:"keydown",keyCode:8,preventDefault:Math.abs}),this.blur(),void this.focus();this.composing||(this.rememberSelection(),n=Al(t,e.anchorNode,e.anchorOffset),r=Al(t,e.focusNode,e.focusOffset),n&&r&&gi(t,function(){ho(t.doc,Ei(n,r),v),(n.bad||r.bad)&&(t.curOp.selectionChanged=!0)}))}},t.prototype.pollContent=function(){var e,t,u,d,n,r,i,o,l,h,f,p,a,m,g,s,c;if(null!=this.readDOMTimeout&&(clearTimeout(this.readDOMTimeout),this.readDOMTimeout=null),s=(e=this.cm).display,t=(n=e.doc.sel.primary()).from(),n=n.to(),0==t.ch&&t.line>e.firstLine()&&(t=A(t.line-1,N(e.doc,t.line-1).length)),n.ch==N(e.doc,n.line).text.length&&n.line<e.lastLine()&&(n=A(n.line+1,0)),t.line<s.viewFrom||n.line>s.viewTo-1)return!1;if(c=t.line==s.viewFrom||0==(c=Er(e,t.line))?(u=Yt(s.view[0].line),s.view[0].node):(u=Yt(s.view[c].line),s.view[c-1].node.nextSibling),n=(n=Er(e,n.line))==s.view.length-1?(d=s.viewTo-1,s.lineDiv.lastChild):(d=Yt(s.view[n+1].line)-1,s.view[n+1].node.previousSibling),!c)return!1;for(r=e.doc.splitLines(function(l,e,t,f,p){var n="",a=!1,s=l.doc.lineSeparator(),c=!1;function u(){a&&(n+=s,c&&(n+=s),a=c=!1)}function d(e){e&&(u(),n+=e)}for(;!function h(e){var t,n,r,i,o;if(1==e.nodeType){if(n=e.getAttribute("cm-text"))d(n);else if(n=e.getAttribute("cm-marker"))(n=l.findMarks(A(f,0),A(p+1,0),(o=+n,function(e){return e.id==o}))).length&&(t=n[0].find(0))&&d(_t(l.doc,t.from,t.to).join(s));else if("false"!=e.getAttribute("contenteditable")&&(
+r=/^(pre|div|p|li|table|br)$/i.test(e.nodeName),/^br$/i.test(e.nodeName)||0!=e.textContent.length)){for(r&&u(),i=0;i<e.childNodes.length;i++)h(e.childNodes[i]);/^(pre|p)$/i.test(e.nodeName)&&(c=!0),r&&(a=!0)}}else 3==e.nodeType&&d(e.nodeValue.replace(/\u200b/g,"").replace(/\u00a0/g," "))}(e),e!=t;)e=e.nextSibling,c=!1;return n}(e,c,n,u,d)),i=_t(e.doc,A(u,0),A(d,N(e.doc,d).text.length));1<r.length&&1<i.length;)if(mt(r)==mt(i))r.pop(),i.pop(),d--;else{if(r[0]!=i[0])break;r.shift(),i.shift(),u++}for(h=r[l=o=0],f=i[0],p=Math.min(h.length,f.length);o<p&&h.charCodeAt(o)==f.charCodeAt(o);)++o;for(a=mt(r),m=mt(i),g=Math.min(a.length-(1==r.length?o:0),m.length-(1==i.length?o:0));l<g&&a.charCodeAt(a.length-l-1)==m.charCodeAt(m.length-l-1);)++l;if(1==r.length&&1==i.length&&u==t.line)for(;o&&o>t.ch&&a.charCodeAt(a.length-l-1)==m.charCodeAt(m.length-l-1);)o--,l++;return r[r.length-1]=a.slice(0,a.length-l).replace(/^\u200b+/,""),r[0]=r[0].slice(o).replace(/\u200b+$/,""),s=A(u,o),c=A(d,i.length?mt(i).length-l:0),1<r.length||r[0]||k(s,c)?(Mo(e.doc,r,s,c,"+input"),!0):void 0},t.prototype.ensurePolled=function(){this.forceCompositionEnd()},t.prototype.reset=function(){this.forceCompositionEnd()},t.prototype.forceCompositionEnd=function(){this.composing&&(clearTimeout(this.readDOMTimeout),this.composing=null,this.updateFromDOM(),this.div.blur(),this.div.focus())},t.prototype.readFromDOMSoon=function(){var e=this;null==this.readDOMTimeout&&(this.readDOMTimeout=setTimeout(function(){if(e.readDOMTimeout=null,e.composing){if(!e.composing.done)return;e.composing=null}e.updateFromDOM()},80))},t.prototype.updateFromDOM=function(){var e=this;!this.cm.isReadOnly()&&this.pollContent()||gi(this.cm,function(){return Fr(e.cm)})},t.prototype.setUneditable=function(e){e.contentEditable="false"},t.prototype.onKeyPress=function(e){0==e.charCode||this.composing||(e.preventDefault(),this.cm.isReadOnly()||yi(this.cm,bl)(this.cm,String.fromCharCode(null==e.charCode?e.keyCode:e.charCode),0))},t.prototype.readOnlyChanged=function(e){this.div.contentEditable=String("nocursor"!=e)},t.prototype.onContextMenu=function(){},t.prototype.resetPosition=function(){},t.prototype.needsContentAttribute=!0,(Fe=function(e){this.cm=e,this.prevInput="",this.pollingFast=!1,this.polling=new p,this.hasSelection=!1,this.composing=null}).prototype.init=function(n){var r,e=this,i=this,o=this.cm;function t(e){if(!Dt(o,e)){if(o.somethingSelected())vl({lineWise:!1,text:o.getSelections()});else{if(!o.options.lineWiseCopyCut)return;var t=kl(o);vl({lineWise:!0,text:t.text}),"cut"==e.type?o.setSelections(t.ranges,null,v):(i.prevInput="",r.value=t.text.join("\n"),s(r))}"cut"==e.type&&(o.state.cutIncoming=+new Date)}}this.createField(n),r=this.textarea,n.wrapper.insertBefore(this.wrapper,n.wrapper.firstChild),Ye&&(r.style.width="0px"),w(r,"input",function(){Ve&&9<=Ke&&e.hasSelection&&(e.hasSelection=null),i.poll()}),w(r,"paste",function(e){Dt(o,e)||wl(e,o)||(o.state.pasteIncoming=+new Date,i.fastPoll())}),w(r,"cut",t),w(r,"copy",t),w(n.scroller,"paste",function(e){if(!Jn(n,e)&&!Dt(o,e)){if(!r.dispatchEvent)return o.state.pasteIncoming=+new Date,void i.focus();var t=new Event("paste");t.clipboardData=e.clipboardData,r.dispatchEvent(t)}}),w(n.lineSpace,"selectstart",function(e){Jn(n,e)||Ht(e)}),w(r,"compositionstart",function(){var e=o.getCursor("from");i.composing&&i.composing.range.clear(),i.composing={start:e,range:o.markText(e,o.getCursor("to"),{className:"CodeMirror-composing"})}}),w(r,"compositionend",function(){i.composing&&(i.poll(),i.composing.range.clear(),i.composing=null)})},Fe.prototype.createField=function(e){this.wrapper=Sl(),this.textarea=this.wrapper.firstChild},Fe.prototype.prepareSelection=function(){var e,t=this.cm,n=t.display,r=t.doc,i=Gr(t);return t.options.moveInputWithCursor&&(t=xr(t,r.sel.primary().head,"div"),r=n.wrapper.getBoundingClientRect(),e=n.lineDiv.getBoundingClientRect(),i.teTop=Math.max(0,Math.min(n.wrapper.clientHeight-10,t.top+e.top-r.top)),i.teLeft=Math.max(0,Math.min(n.wrapper.clientWidth-10,t.left+e.left-r.left))),i},Fe.prototype.showSelection=function(e){var t=this.cm.display;rt(t.cursorDiv,e.cursors),rt(t.selectionDiv,e.selection),null!=e.teTop&&(this.wrapper.style.top=e.teTop+"px",this.wrapper.style.left=e.teLeft+"px")},Fe.prototype.reset=function(e){var t,n;this.contextMenuPending||this.composing||((t=this.cm).somethingSelected()?(this.prevInput="",n=t.getSelection(),this.textarea.value=n,t.state.focused&&s(this.textarea),Ve&&9<=Ke&&(this.hasSelection=n)):e||(this.prevInput=this.textarea.value="",Ve&&9<=Ke&&(this.hasSelection=null)))},Fe.prototype.getField=function(){return this.textarea},Fe.prototype.supportsTouch=function(){return!1},Fe.prototype.focus=function(){if("nocursor"!=this.cm.options.readOnly&&(!Qe||lt()!=this.textarea))try{this.textarea.focus()}catch(e){}},Fe.prototype.blur=function(){this.textarea.blur()},Fe.prototype.resetPosition=function(){this.wrapper.style.top=this.wrapper.style.left=0},Fe.prototype.receivedFocus=function(){this.slowPoll()},Fe.prototype.slowPoll=function(){var e=this;this.pollingFast||this.polling.set(this.cm.options.pollInterval,function(){e.poll(),e.cm.state.focused&&e.slowPoll()})},Fe.prototype.fastPoll=function(){var e=!1,t=this;t.pollingFast=!0,t.polling.set(20,function n(){t.poll()||e?(t.pollingFast=!1,t.slowPoll()):(e=!0,t.polling.set(60,n))})},Fe.prototype.poll=function(){var e,t,n,r,i=this,o=this.cm,l=this.textarea,a=this.prevInput;if(this.contextMenuPending||!o.state.focused||D(l)&&!a&&!this.composing||o.isReadOnly()||o.options.disableInput||o.state.keySeq)return!1;if((e=l.value)==a&&!o.somethingSelected())return!1;if(Ve&&9<=Ke&&this.hasSelection===e||Je&&/[\uf700-\uf7ff]/.test(e))return o.display.input.reset(),!1;if(o.doc.sel==o.display.selForContextMenu&&(8203!=(t=e.charCodeAt(0))||a||(a="​"),8666==t))return this.reset(),this.cm.execCommand("undo");for(n=0,r=Math.min(a.length,e.length);n<r&&a.charCodeAt(n)==e.charCodeAt(n);)++n;return gi(o,function(){bl(o,e.slice(n),
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width: 30px; height: 30px;\n      top: "+(e.clientY-t.top-5)+"px; left: "+(e.clientX-t.left-5)+"px;\n      z-index: 1000; background: "+(Ve?"rgba(255, 255, 255, .05)":"transparent")+";\n      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);",Ge&&(d=window.scrollY),a.input.focus(),Ge&&window.scrollTo(null,d),a.input.reset(),l.somethingSelected()||(s.value=o.prevInput=" "),o.contextMenuPending=c,a.selForContextMenu=l.doc.sel,clearTimeout(a.detectingSelectAll),Ve&&9<=Ke&&h(),f?(Ft(e),i=function(){At(window,"mouseup",i),setTimeout(c,20)},w(window,"mouseup",i)):setTimeout(c,50))},Fe.prototype.readOnlyChanged=function(e){e||this.reset(),this.textarea.disabled="nocursor"==e},Fe.prototype.setUneditable=function(){},Fe.prototype.needsContentAttribute=!1,Pe=(ze=gl).optionHandlers,ze.defineOption=n,ze.Init=xe,n("value","",function(e,t){return e.setValue(t)},!0),n("mode",null,function(e,t){e.doc.modeOption=t,Vi(e)},!0),n("indentUnit",2,Vi,!0),n("indentWithTabs",!1),n("smartIndent",!0),n("tabSize",4,function(e){Ki(e),pr(e),Fr(e)},!0),n("lineSeparator",null,function(e,r){var i,o,t;if(e.doc.lineSep=r)for(i=[],o=e.doc.first,e.doc.iter(function(e){for(var t,n=0;-1!=(t=e.text.indexOf(r,n));)n=t+r.length,i.push(A(o,t));o++}),t=i.length-1;0<=t;t--)Mo(e.doc,r,i[t],A(i[t].line,i[t].ch+r.length))}),n("specialChars",/[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff\ufff9-\ufffc]/g,function(e,t,n){e.state.specialChars=new RegExp(t.source+(t.test("\t")?"":"|\t"),"g"),n!=xe&&e.refresh()}),n("specialCharPlaceholder",Fn,function(e){return e.refresh()},!0),n("electricChars",!0),n("inputStyle",Qe?"contenteditable":"textarea",function(){throw new Error("inputStyle can not (yet) be changed in a running editor")},!0),n("spellcheck",!1,function(e,t){return e.getInputField().spellcheck=t},!0),n("autocorrect",!1,function(e,t){return e.getInputField().autocorrect=t},!0),n("autocapitalize",!1,function(e,t){return e.getInputField().autocapitalize=t},!0),n("rtlMoveVisually",!je),n("wholeLineUpdateBefore",!0),n("theme","default",function(e){fl(e),Di(e)},!0),n("keyMap","default",function(e,t,n){t=$o(t),n=n!=xe&&$o(n);n&&n.detach&&n.detach(e,t),t.attach&&t.attach(e,n||null)}),n("extraKeys",null),n("configureMouse",null),n("lineWrapping",!1,ml,!0),n("gutters",[],function(e,t){e.display.gutterSpecs=Ai(t,e.options.lineNumbers),Di(e)},!0),n("fixedGutter",!0,function(e,t){e.display.gutters.style.left=t?zr(e.display)+"px":"0",e.refresh()},!0),n("coverGutterNextToScrollbar",!1,function(e){return di(e)},!0),n("scrollbarStyle","native",function(e){fi(e),di(e),e.display.scrollbars.setScrollTop(e.doc.scrollTop),e.display.scrollbars.setScrollLeft(e.doc.scrollLeft)},!0),n("lineNumbers",!1,function(e,t){e.display.gutterSpecs=Ai(e.options.gutters,t),Di(e)},!0),n("firstLineNumber",1,Di,!0),n("lineNumberFormatter",function(e){return e},Di,!0),n("showCursorWhenSelecting",!1,Kr,!0),n("resetSelectionOnContextMenu",!0),n("lineWiseCopyCut",!0),n("pasteLinesPerSelection",!0),n("selectionsMayTouch",!1),n("readOnly",!1,function(e,t){"nocursor"==t&&(Zr(e),e.display.input.blur()),e.display.input.readOnlyChanged(t)}),n("disableInput",!1,function(e,t){t||e.display.input.reset()},!0),n("dragDrop",!0,pl),n("allowDropFileTypes",null),n("cursorBlinkRate",530),n("cursorScrollMargin",0),n("cursorHeight",1,Kr,!0),n("singleCursorHeightPerLine",!0,Kr,!0),n("workTime",100),n("workDelay",100),n("flattenSpans",!0,Ki,!0),n("addModeClass",!1,Ki,!0),n("pollInterval",100),n("undoDepth",200,function(e,t){return e.doc.history.undoDepth=t}),n("historyEventDelay",1250),n("viewportMargin",10,function(e){return e.refresh()},!0),n("maxHighlightLength",1e4,Ki,!0),n("moveInputWithCursor",!0,function(e,t){t||e.display.input.resetPosition()}),n("tabindex",null,function(e,t){return e.display.input.getField().tabIndex=t||""}),n("autofocus",null),n("direction","ltr",function(e,t){return e.doc.setDirection(t)},!0),n("phrases",null),Ie=(He=gl).optionHandlers,Ee=He.helpers={},He.prototype={constructor:He,focus:function(){window.focus(),this.display.input.focus()},setOption:function(e,t){var n=this.options,r=n[e];n[e]==t&&"mode"!=e||(n[e]=t,Ie.hasOwnProperty(e)&&yi(this,Ie[e])(this,t,r),Ot(this,"optionChange",this,e))},getOption:function(e){return this.options[e]},getDoc:function(){return this.doc},addKeyMap:function(e,t){this.state.keyMaps[t?"push":"unshift"]($o(e))},
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diff --git a/lib/editor/atto/plugins/image/yui/build/moodle-atto_image-button/moodle-atto_image-button-min.js b/lib/editor/atto/plugins/image/yui/build/moodle-atto_image-button/moodle-atto_image-button-min.js
index 30dcf5cb0d3..03155095aa6 100644
--- a/lib/editor/atto/plugins/image/yui/build/moodle-atto_image-button/moodle-atto_image-button-min.js
+++ b/lib/editor/atto/plugins/image/yui/build/moodle-atto_image-button/moodle-atto_image-button-min.js
@@ -1,3 +1,3 @@
-YUI.add("moodle-atto_image-button",function(m,e){var u={RESPONSIVE:"img-responsive",INPUTALIGNMENT:"atto_image_alignment",INPUTALT:"atto_image_altentry",INPUTHEIGHT:"atto_image_heightentry",INPUTSUBMIT:"atto_image_urlentrysubmit",INPUTURL:"atto_image_urlentry",INPUTSIZE:"atto_image_size",INPUTWIDTH:"atto_image_widthentry",IMAGEALTWARNING:"atto_image_altwarning",IMAGEBROWSER:"openimagebrowser",IMAGEPRESENTATION:"atto_image_presentation",INPUTCONSTRAIN:"atto_image_constrain",INPUTCUSTOMSTYLE:"atto_image_customstyle",IMAGEPREVIEW:"atto_image_preview",IMAGEPREVIEWBOX:"atto_image_preview_box",ALIGNSETTINGS:"atto_image_button"},t={INPUTURL:"."+u.INPUTURL},a=[{name:"verticalAlign",str:"alignment_top",value:"text-top",margin:"0 0.5em"},{name:"verticalAlign",str:"alignment_middle",value:"middle",margin:"0 0.5em"},{name:"verticalAlign",str:"alignment_bottom",value:"text-bottom",margin:"0 0.5em",isDefault:!0},{name:"float",str:"alignment_left",value:"left",margin:"0 0.5em 0 0"},{name:"float",str:"alignment_right",value:"right",margin:"0 0 0 0.5em"}],I=/\d+%/,_="atto_image",p='<img src="{{url}}" alt="{{alt}}" {{#if width}}width="{{width}}" {{/if}}{{#if height}}height="{{height}}" {{/if}}{{#if presentation}}role="presentation" {{/if}}{{#if customstyle}}style="{{customstyle}}" {{/if}}{{#if classlist}}class="{{classlist}}" {{/if}}{{#if id}}id="{{id}}" {{/if}}/>';m.namespace("M.atto_image").Button=m.Base.create("button",m.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_selectedImage:null,_form:null,_rawImageDimensions:null,initializer:function(){this.addButton({icon:"e/insert_edit_image",callback:this._displayDialogue,tags:"img",tagMatchRequiresAll:!1}),this.editor.delegate("dblclick",this._displayDialogue,"img",this),this.editor.delegate("click",this._handleClick,"img",this),this.editor.on("paste",this._handlePaste,this),this.editor.on("drop",this._handleDragDrop,this),this.editor.on("dragover",function(e){e.preventDefault()},this),this.editor.on("dragenter",function(e){e.preventDefault()},this)},_handleDragDrop:function(e){return!e._event||!e._event.dataTransfer||this._handlePasteOrDropHelper(e,e._event.dataTransfer)},_handlePaste:function(e){return!e._event||!e._event.clipboardData||this._handlePasteOrDropHelper(e,e._event.clipboardData)},_handlePasteOrDropHelper:function(e,t){var i,n,s=t.items,a=!1;for(i=0;i<s.length;i++)"file"===(n=s[i]).kind&&this._isImage(n.type)&&(this._uploadImage(n.getAsFile()),a=!0);return!a||(e.preventDefault(),e.stopPropagation(),!1)},_isImage:function(e){return 0===e.indexOf("image/")},_uploadImage:function(e){var t,i,n,s,a,o,l,r,h,g=this,d=this.get("host"),c=m.Handlebars.compile(p);for(d.saveSelection(),require(["core_form/events"],function(e){e.triggerUploadStarted(g.editor.get("id"))}),i=(t=d.get("filepickeroptions").image).savepath===undefined?"/":t.savepath,n=new FormData,s=0,a="",o=new XMLHttpRequest,l="",r=Object.keys(t.repositories),n.append("repo_upload_file",e),n.append("itemid",t.itemid),h=0;h<r.length;h++)if("upload"===t.repositories[r[h]].type){n.append("repo_id",t.repositories[r[h]].id);break}n.append("env",t.env),n.append("sesskey",M.cfg.sesskey),n.append("client_id",t.client_id),n.append("savepath",i),n.append("ctx_id",t.context.id),s=(new Date).getTime(),a="moodleimage_"+Math.round(1e5*Math.random())+"-"+s,d.focus(),d.restoreSelection(),l=c({url:M.util.image_url("i/loading_small","moodle"),alt:M.util.get_string("uploading",_),id:a}),d.insertContentAtFocusPoint(l),g.markUpdated(),o.onreadystatechange=function(){var e,t,i,n,s=g.editor.one("#"+a);if(4===o.readyState){if(200===o.status){if(e=JSON.parse(o.responseText)){if(e.error)throw s&&s.remove(!0),require(["core_form/events"],function(e){e.triggerUploadCompleted(g.editor.get("id"))}),new M.core.ajaxException(e);(t=e).event&&"fileexists"===e.event&&(t=e.newfile),i=c({url:t.url,presentation:!0}),n=m.Node.create(i),s?s.replace(n):g.editor.appendChild(n),g.markUpdated()}}else m.use("moodle-core-notification-alert",function(){require(["core_form/events"],function(e){e.triggerUploadCompleted(g.editor.get("id"))}),new M.core.alert({message:M.util.get_string("servererror","moodle")})}),s&&s.remove(!0);require(["core_form/events"],function(e){e.triggerUploadCompleted(g.editor.get("id"))})}},o.open("POST",M.cfg.wwwroot+"/repository/repository_ajax.php?action=upload",!0),o.send(n)},_handleClick:function(e){var t=e.target,i=this.get("host").getSelectionFromNode(t);this.get("host").getSelection()!==i&&this.get("host").setSelection(i)},_displayDialogue:function(){if(this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection){this._rawImageDimensions=null;var e=this.getDialogue({headerContent:M.util.get_string("imageproperties",_),width:"auto",focusAfterHide:!0,focusOnShowSelector:t.INPUTURL});e.get("boundingBox").setStyle("maxWidth","90%"),e.set("bodyContent",this._getDialogueContent()).show()}},_loadPreviewImage:function(e){var t=new Image,a=this;t.onerror=function(){a._form.one("."+u.IMAGEPREVIEW).setStyles({display:"none"}),a.getDialogue().centerDialogue()},t.onload=function(){var e,t,i,n,s;a._rawImageDimensions={width:this.width,height:this.height},""===(t=(e=a._form.one("."+u.INPUTWIDTH)).get("value"))&&(e.set("value",this.width),t=""+this.width),""===(i=(e=a._form.one("."+u.INPUTHEIGHT)).get("value"))&&(e.set("value",this.height),i=""+this.height),(e=a._form.one("."+u.IMAGEPREVIEW)).setAttribute("src",this.src),e.setStyles({display:"inline"}),e=a._form.one("."+u.INPUTCONSTRAIN),t.match(I)&&i.match(I)?e.set("checked",t===i):(0===this.width&&(this.width=1),0===this.height&&(this.height=1),n=Math.round(1e3*parseInt(t,10)/this.width),s=Math.round(1e3*parseInt(i,10)/this.height),e.set("checked",n===s)),a._autoAdjustSize(a),a.getDialogue().centerDialogue()},t.src=e},_getDialogueContent:function(){var e=m.Handlebars.compile(
-'<form class="atto_form">{{#if showFilepicker}}<div class="mb-1"><label for="{{elementid}}_{{CSS.INPUTURL}}">{{get_string "enterurl" component}}</label><div class="input-group input-append w-100"><input class="form-control {{CSS.INPUTURL}}" type="url" id="{{elementid}}_{{CSS.INPUTURL}}" size="32"/><span class="input-group-append"><button class="btn btn-secondary {{CSS.IMAGEBROWSER}}" type="button">{{get_string "browserepositories" component}}</button></span></div></div>{{else}}<div class="mb-1"><label for="{{elementid}}_{{CSS.INPUTURL}}">{{get_string "enterurl" component}}</label><input class="form-control fullwidth {{CSS.INPUTURL}}" type="url" id="{{elementid}}_{{CSS.INPUTURL}}" size="32"/></div>{{/if}}<div style="display:none" role="alert" class="alert alert-warning mb-1 {{CSS.IMAGEALTWARNING}}">{{get_string "presentationoraltrequired" component}}</div><div class="mb-1"><label for="{{elementid}}_{{CSS.INPUTALT}}">{{get_string "enteralt" component}}</label><textarea class="form-control fullwidth {{CSS.INPUTALT}}" id="{{elementid}}_{{CSS.INPUTALT}}" maxlength="125"></textarea><div id="the-count" class="d-flex justify-content-end small"><span id="currentcount">0</span><span id="maximumcount"> / 125</span></div><div class="form-check"><input type="checkbox" class="form-check-input {{CSS.IMAGEPRESENTATION}}" id="{{elementid}}_{{CSS.IMAGEPRESENTATION}}"/><label class="form-check-label" for="{{elementid}}_{{CSS.IMAGEPRESENTATION}}">{{get_string "presentation" component}}</label></div></div><div class="mb-1"><label class="" for="{{elementid}}_{{CSS.INPUTSIZE}}">{{get_string "size" component}}</label><div id="{{elementid}}_{{CSS.INPUTSIZE}}" class="form-inline {{CSS.INPUTSIZE}}"><label class="accesshide" for="{{elementid}}_{{CSS.INPUTWIDTH}}">{{get_string "width" component}}</label><input type="text" class="form-control mr-1 input-mini {{CSS.INPUTWIDTH}}" id="{{elementid}}_{{CSS.INPUTWIDTH}}" size="4"/> x<label class="accesshide" for="{{elementid}}_{{CSS.INPUTHEIGHT}}">{{get_string "height" component}}</label><input type="text" class="form-control ml-1 input-mini {{CSS.INPUTHEIGHT}}" id="{{elementid}}_{{CSS.INPUTHEIGHT}}" size="4"/><div class="form-check ml-2"><input type="checkbox" class="form-check-input {{CSS.INPUTCONSTRAIN}}" id="{{elementid}}_{{CSS.INPUTCONSTRAIN}}"/><label class="form-check-label" for="{{elementid}}_{{CSS.INPUTCONSTRAIN}}">{{get_string "constrain" component}}</label></div></div></div><div class="form-inline mb-1"><label class="for="{{elementid}}_{{CSS.INPUTALIGNMENT}}">{{get_string "alignment" component}}</label><select class="custom-select {{CSS.INPUTALIGNMENT}}" id="{{elementid}}_{{CSS.INPUTALIGNMENT}}">{{#each alignments}}<option value="{{value}}">{{get_string str ../component}}</option>{{/each}}</select></div><input type="hidden" class="{{CSS.INPUTCUSTOMSTYLE}}"/><br/><div class="mdl-align"><div class="{{CSS.IMAGEPREVIEWBOX}}"><img class="{{CSS.IMAGEPREVIEW}}" alt="" style="display: none;"/></div><button class="btn btn-secondary {{CSS.INPUTSUBMIT}}" type="submit">{{get_string "saveimage" component}}</button></div></form>'),t=this.get("host").canShowFilepicker("image"),i=m.Node.create(e({elementid:this.get("host").get("elementid"),CSS:u,component:_,showFilepicker:t,alignments:a}));return this._form=i,this._applyImageProperties(this._form),this._form.one("."+u.INPUTURL).on("blur",this._urlChanged,this),this._form.one("."+u.IMAGEPRESENTATION).on("change",this._updateWarning,this),this._form.one("."+u.INPUTALT).on("change",this._updateWarning,this),this._form.one("."+u.INPUTWIDTH).on("blur",this._autoAdjustSize,this),this._form.one("."+u.INPUTHEIGHT).on("blur",this._autoAdjustSize,this,!0),this._form.one("."+u.INPUTCONSTRAIN).on("change",function(e){e.target.get("checked")&&this._autoAdjustSize(e)},this),this._form.one("."+u.INPUTURL).on("blur",this._urlChanged,this),this._form.one("."+u.INPUTSUBMIT).on("click",this._setImage,this),t&&this._form.one("."+u.IMAGEBROWSER).on("click",function(){this.get("host").showFilepicker("image",this._filepickerCallback,this)},this),this._form.one("."+u.INPUTALT).on("keyup",this._handleKeyup,this),i},_autoAdjustSize:function(e,t){var i,n,s,a,o,l,r,h,g,d,c;t=t||!1,i=this._form.one("."+u.INPUTWIDTH),n="width",s=this._form.one("."+u.INPUTHEIGHT),a="height",o=this._form.one("."+u.INPUTCONSTRAIN),l=i.get("value"),r=s.get("value"),h=this._form.one("."+u.IMAGEPREVIEW),this._rawImageDimensions&&(""===l&&(l=this._rawImageDimensions[n],i.set("value",l),l=i.get("value")),h.setStyles({width:null,height:null}),o.get("checked")?(t&&(c=i,i=s,s=c,c=n,n=a,a=c,c=l,l=r,r=c),l.match(I)?(r=l,g=parseInt(l,10),d=this._rawImageDimensions.width/100*g,h.setStyle("width",d),d=this._rawImageDimensions.height/100*g,h.setStyle("height",d)):(r=Math.round(l/this._rawImageDimensions[n]*this._rawImageDimensions[a]),t?h.setStyles({width:r,height:l}):h.setStyles({width:l,height:r})),s.set("value",r)):(l.match(I)?(g=parseInt(l,10),d=this._rawImageDimensions.width/100*g,h.setStyle("width",d+"px")):h.setStyle("width",l+"px"),r.match(I)?(g=parseInt(r,10),d=this._rawImageDimensions.height/100*g,h.setStyle("height",d+"px")):h.setStyle("height",r+"px")))},_filepickerCallback:function(e){""!==e.url&&(this._form.one("."+u.INPUTURL).set("value",e.url),this._form.one("."+u.INPUTWIDTH).set("value",""),this._form.one("."+u.INPUTHEIGHT).set("value",""),this._loadPreviewImage(e.url))},_applyImageProperties:function(t){var e=this._getSelectedImageProperties(),i=t.one("."+u.IMAGEPREVIEW);if(!1===e)return i.setStyle("display","none"),void a.some(function(e){return!!e.isDefault&&(t.one("."+u.INPUTALIGNMENT).set("value",e.value),!0)},this);e.align&&t.one("."+u.INPUTALIGNMENT).set("value",e.align),e.customstyle&&t.one("."+u.INPUTCUSTOMSTYLE).set("value",e.customstyle),e.width&&t.one("."+u.INPUTWIDTH).set("value",e.width),e.height&&t.one("."+u.INPUTHEIGHT).set("value",e.height),e.alt&&t.one("."+u.INPUTALT).set("value",e.alt),e.src&&(t.one("."+u.INPUTURL).set("value",e.src),
-this._loadPreviewImage(e.src)),e.presentation&&t.one("."+u.IMAGEPRESENTATION).set("checked","checked"),this._autoAdjustSize()},_getSelectedImageProperties:function(){var e,t,i,n,s={src:null,alt:null,width:null,height:null,align:"",presentation:!1},a=this.get("host").getSelectedNodes();return(a=a&&a.filter("img"))&&a.size()?(n=this._removeLegacyAlignment(a.item(0)),i=(this._selectedImage=n).getAttribute("style"),s.customstyle=i,(e=n.getAttribute("width")).match(I)||(e=parseInt(e,10)),(t=n.getAttribute("height")).match(I)||(t=parseInt(t,10)),0!==e&&(s.width=e),0!==t&&(s.height=t),this._getAlignmentPropeties(n,s),s.src=n.getAttribute("src"),s.alt=n.getAttribute("alt")||"",s.presentation="presentation"===n.get("role"),s):(this._selectedImage=null,!1)},_getAlignmentPropeties:function(i,n){var s;!a.some(function(e){var t=this._getAlignmentClass(e.value);return i.hasClass(t)?(n.align=e.value,!0):(e.isDefault&&(s=e.value),!1)},this)&&s&&(n.align=s)},_urlChanged:function(){var e=this._form.one("."+u.INPUTURL);""!==e.get("value")&&this._loadPreviewImage(e.get("value"))},_setImage:function(e){var t,i=this._form,n=i.one("."+u.INPUTURL).get("value"),s=i.one("."+u.INPUTALT).get("value"),a=i.one("."+u.INPUTWIDTH).get("value"),o=i.one("."+u.INPUTHEIGHT).get("value"),l=this._getAlignmentClass(i.one("."+u.INPUTALIGNMENT).get("value")),r=i.one("."+u.IMAGEPRESENTATION).get("checked"),h=i.one("."+u.INPUTCONSTRAIN).get("checked"),g=i.one("."+u.INPUTCUSTOMSTYLE).get("value"),d=[],c=this.get("host");if(e.preventDefault(),!this._updateWarning()){if(c.focus(),""!==n){if(this._selectedImage?c.setSelection(c.getSelectionFromNode(this._selectedImage)):c.setSelection(this._currentSelection),h&&d.push(u.RESPONSIVE),d.push(l),!a.match(I)&&isNaN(parseInt(a,10)))return void i.one("."+u.INPUTWIDTH).focus();if(!o.match(I)&&isNaN(parseInt(o,10)))return void i.one("."+u.INPUTHEIGHT).focus();t=m.Handlebars.compile(p)({url:n,alt:s,width:a,height:o,presentation:r,customstyle:g,classlist:d.join(" ")}),this.get("host").insertContentAtFocusPoint(t),this.markUpdated()}this.getDialogue({focusAfterHide:null}).hide()}},_removeLegacyAlignment:function(i){return i.getStyle("margin")&&a.some(function(e){if(i.getStyle(e.name)!==e.value)return!1;var t=m.Node.create("<div>");return t.setStyle("margin",e.margin),i.getStyle("margin")===t.getStyle("margin")&&(i.addClass(this._getAlignmentClass(e.value)),i.setStyle(e.name,null),i.setStyle("margin",null),!0)},this),i},_getAlignmentClass:function(e){return u.ALIGNSETTINGS+"_"+e},_updateWarning:function(){var e=this._form,t=!0,i=e.one("."+u.INPUTALT).get("value"),n=e.one("."+u.IMAGEPRESENTATION).get("checked");return t=""!==i||n?(e.one("."+u.IMAGEALTWARNING).setStyle("display","none"),e.one("."+u.INPUTALT).setAttribute("aria-invalid",!1),e.one("."+u.IMAGEPRESENTATION).setAttribute("aria-invalid",!1),!1):(e.one("."+u.IMAGEALTWARNING).setStyle("display","block"),e.one("."+u.INPUTALT).setAttribute("aria-invalid",!0),e.one("."+u.IMAGEPRESENTATION).setAttribute("aria-invalid",!0),!0),this.getDialogue().centerDialogue(),t},_handleKeyup:function(){var e=this._form,t=e.one("."+u.INPUTALT).get("value").length;e.one("#currentcount").setHTML(t)}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_image-button",function(c,e){var m={RESPONSIVE:"img-responsive",INPUTALIGNMENT:"atto_image_alignment",INPUTALT:"atto_image_altentry",INPUTHEIGHT:"atto_image_heightentry",INPUTSUBMIT:"atto_image_urlentrysubmit",INPUTURL:"atto_image_urlentry",INPUTSIZE:"atto_image_size",INPUTWIDTH:"atto_image_widthentry",IMAGEALTWARNING:"atto_image_altwarning",IMAGEBROWSER:"openimagebrowser",IMAGEPRESENTATION:"atto_image_presentation",INPUTCONSTRAIN:"atto_image_constrain",INPUTCUSTOMSTYLE:"atto_image_customstyle",IMAGEPREVIEW:"atto_image_preview",IMAGEPREVIEWBOX:"atto_image_preview_box",ALIGNSETTINGS:"atto_image_button"},t={INPUTURL:"."+m.INPUTURL},a=[{name:"verticalAlign",str:"alignment_top",value:"text-top",margin:"0 0.5em"},{name:"verticalAlign",str:"alignment_middle",value:"middle",margin:"0 0.5em"},{name:"verticalAlign",str:"alignment_bottom",value:"text-bottom",margin:"0 0.5em",isDefault:!0},{name:"float",str:"alignment_left",value:"left",margin:"0 0.5em 0 0"},{name:"float",str:"alignment_right",value:"right",margin:"0 0 0 0.5em"}],u=/\d+%/,d="atto_image",I='<img src="{{url}}" alt="{{alt}}" {{#if width}}width="{{width}}" {{/if}}{{#if height}}height="{{height}}" {{/if}}{{#if presentation}}role="presentation" {{/if}}{{#if customstyle}}style="{{customstyle}}" {{/if}}{{#if classlist}}class="{{classlist}}" {{/if}}{{#if id}}id="{{id}}" {{/if}}/>';c.namespace("M.atto_image").Button=c.Base.create("button",c.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_selectedImage:null,_form:null,_rawImageDimensions:null,initializer:function(){this.addButton({icon:"e/insert_edit_image",callback:this._displayDialogue,tags:"img",tagMatchRequiresAll:!1}),this.editor.delegate("dblclick",this._displayDialogue,"img",this),this.editor.delegate("click",this._handleClick,"img",this),this.editor.on("paste",this._handlePaste,this),this.editor.on("drop",this._handleDragDrop,this),this.editor.on("dragover",function(e){e.preventDefault()},this),this.editor.on("dragenter",function(e){e.preventDefault()},this)},_handleDragDrop:function(e){return!e._event||!e._event.dataTransfer||this._handlePasteOrDropHelper(e,e._event.dataTransfer)},_handlePaste:function(e){return!e._event||!e._event.clipboardData||this._handlePasteOrDropHelper(e,e._event.clipboardData)},_handlePasteOrDropHelper:function(e,t){for(var i,n=t.items,s=!1,a=0;a<n.length;a++)"file"===(i=n[a]).kind&&this._isImage(i.type)&&(this._uploadImage(i.getAsFile()),s=!0);return!s||(e.preventDefault(),e.stopPropagation(),!1)},_isImage:function(e){return 0===e.indexOf("image/")},_uploadImage:function(e){var t,i,n,s,a,o,l,r=this,h=this.get("host"),g=c.Handlebars.compile(I);for(h.saveSelection(),require(["core_form/events"],function(e){e.triggerUploadStarted(r.editor.get("id"))}),a=(t=h.get("filepickeroptions").image).savepath===undefined?"/":t.savepath,i=new FormData,s=new XMLHttpRequest,o=Object.keys(t.repositories),i.append("repo_upload_file",e),i.append("itemid",t.itemid),l=0;l<o.length;l++)if("upload"===t.repositories[o[l]].type){i.append("repo_id",t.repositories[o[l]].id);break}i.append("env",t.env),i.append("sesskey",M.cfg.sesskey),i.append("client_id",t.client_id),i.append("savepath",a),i.append("ctx_id",t.context.id),e=(new Date).getTime(),n="moodleimage_"+Math.round(1e5*Math.random())+"-"+e,h.focus(),h.restoreSelection(),a=g({url:M.util.image_url("i/loading_small","moodle"),alt:M.util.get_string("uploading",d),id:n}),h.insertContentAtFocusPoint(a),r.markUpdated(),s.onreadystatechange=function(){var e,t,i=r.editor.one("#"+n);if(4===s.readyState){if(200===s.status){if(e=JSON.parse(s.responseText)){if(e.error)throw i&&i.remove(!0),require(["core_form/events"],function(e){e.triggerUploadCompleted(r.editor.get("id"))}),new M.core.ajaxException(e);(t=e).event&&"fileexists"===e.event&&(t=e.newfile),e=g({url:t.url,presentation:!0}),t=c.Node.create(e),i?i.replace(t):r.editor.appendChild(t),r.markUpdated()}}else c.use("moodle-core-notification-alert",function(){require(["core_form/events"],function(e){e.triggerUploadCompleted(r.editor.get("id"))}),new M.core.alert({message:M.util.get_string("servererror","moodle")})}),i&&i.remove(!0);require(["core_form/events"],function(e){e.triggerUploadCompleted(r.editor.get("id"))})}},s.open("POST",M.cfg.wwwroot+"/repository/repository_ajax.php?action=upload",!0),s.send(i)},_handleClick:function(e){e=e.target,e=this.get("host").getSelectionFromNode(e);this.get("host").getSelection()!==e&&this.get("host").setSelection(e)},_displayDialogue:function(){var e;this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection&&(this._rawImageDimensions=null,(e=this.getDialogue({headerContent:M.util.get_string("imageproperties",d),width:"auto",focusAfterHide:!0,focusOnShowSelector:t.INPUTURL})).get("boundingBox").setStyle("maxWidth","90%"),e.set("bodyContent",this._getDialogueContent()).show())},_loadPreviewImage:function(e){var t=new Image,n=this;t.onerror=function(){n._form.one("."+m.IMAGEPREVIEW).setStyles({display:"none"}),n.getDialogue().centerDialogue()},t.onload=function(){var e,t,i;n._rawImageDimensions={width:this.width,height:this.height},""===(t=(e=n._form.one("."+m.INPUTWIDTH)).get("value"))&&(e.set("value",this.width),t=""+this.width),""===(i=(e=n._form.one("."+m.INPUTHEIGHT)).get("value"))&&(e.set("value",this.height),i=""+this.height),(e=n._form.one("."+m.IMAGEPREVIEW)).setAttribute("src",this.src),e.setStyles({display:"inline"}),e=n._form.one("."+m.INPUTCONSTRAIN),t.match(u)&&i.match(u)?e.set("checked",t===i):(0===this.width&&(this.width=1),0===this.height&&(this.height=1),t=Math.round(1e3*parseInt(t,10)/this.width),i=Math.round(1e3*parseInt(i,10)/this.height),e.set("checked",t===i)),n._autoAdjustSize(n),n.getDialogue().centerDialogue()},t.src=e},_getDialogueContent:function(){var e=c.Handlebars.compile(
+'<form class="atto_form">{{#if showFilepicker}}<div class="mb-1"><label for="{{elementid}}_{{CSS.INPUTURL}}">{{get_string "enterurl" component}}</label><div class="input-group input-append w-100"><input class="form-control {{CSS.INPUTURL}}" type="url" id="{{elementid}}_{{CSS.INPUTURL}}" size="32"/><span class="input-group-append"><button class="btn btn-secondary {{CSS.IMAGEBROWSER}}" type="button">{{get_string "browserepositories" component}}</button></span></div></div>{{else}}<div class="mb-1"><label for="{{elementid}}_{{CSS.INPUTURL}}">{{get_string "enterurl" component}}</label><input class="form-control fullwidth {{CSS.INPUTURL}}" type="url" id="{{elementid}}_{{CSS.INPUTURL}}" size="32"/></div>{{/if}}<div style="display:none" role="alert" class="alert alert-warning mb-1 {{CSS.IMAGEALTWARNING}}">{{get_string "presentationoraltrequired" component}}</div><div class="mb-1"><label for="{{elementid}}_{{CSS.INPUTALT}}">{{get_string "enteralt" component}}</label><textarea class="form-control fullwidth {{CSS.INPUTALT}}" id="{{elementid}}_{{CSS.INPUTALT}}" maxlength="125"></textarea><div id="the-count" class="d-flex justify-content-end small"><span id="currentcount">0</span><span id="maximumcount"> / 125</span></div><div class="form-check"><input type="checkbox" class="form-check-input {{CSS.IMAGEPRESENTATION}}" id="{{elementid}}_{{CSS.IMAGEPRESENTATION}}"/><label class="form-check-label" for="{{elementid}}_{{CSS.IMAGEPRESENTATION}}">{{get_string "presentation" component}}</label></div></div><div class="mb-1"><label class="" for="{{elementid}}_{{CSS.INPUTSIZE}}">{{get_string "size" component}}</label><div id="{{elementid}}_{{CSS.INPUTSIZE}}" class="form-inline {{CSS.INPUTSIZE}}"><label class="accesshide" for="{{elementid}}_{{CSS.INPUTWIDTH}}">{{get_string "width" component}}</label><input type="text" class="form-control mr-1 input-mini {{CSS.INPUTWIDTH}}" id="{{elementid}}_{{CSS.INPUTWIDTH}}" size="4"/> x<label class="accesshide" for="{{elementid}}_{{CSS.INPUTHEIGHT}}">{{get_string "height" component}}</label><input type="text" class="form-control ml-1 input-mini {{CSS.INPUTHEIGHT}}" id="{{elementid}}_{{CSS.INPUTHEIGHT}}" size="4"/><div class="form-check ml-2"><input type="checkbox" class="form-check-input {{CSS.INPUTCONSTRAIN}}" id="{{elementid}}_{{CSS.INPUTCONSTRAIN}}"/><label class="form-check-label" for="{{elementid}}_{{CSS.INPUTCONSTRAIN}}">{{get_string "constrain" component}}</label></div></div></div><div class="form-inline mb-1"><label class="for="{{elementid}}_{{CSS.INPUTALIGNMENT}}">{{get_string "alignment" component}}</label><select class="custom-select {{CSS.INPUTALIGNMENT}}" id="{{elementid}}_{{CSS.INPUTALIGNMENT}}">{{#each alignments}}<option value="{{value}}">{{get_string str ../component}}</option>{{/each}}</select></div><input type="hidden" class="{{CSS.INPUTCUSTOMSTYLE}}"/><br/><div class="mdl-align"><div class="{{CSS.IMAGEPREVIEWBOX}}"><img class="{{CSS.IMAGEPREVIEW}}" alt="" style="display: none;"/></div><button class="btn btn-secondary {{CSS.INPUTSUBMIT}}" type="submit">{{get_string "saveimage" component}}</button></div></form>'),t=this.get("host").canShowFilepicker("image"),e=c.Node.create(e({elementid:this.get("host").get("elementid"),CSS:m,component:d,showFilepicker:t,alignments:a}));return this._form=e,this._applyImageProperties(this._form),this._form.one("."+m.INPUTURL).on("blur",this._urlChanged,this),this._form.one("."+m.IMAGEPRESENTATION).on("change",this._updateWarning,this),this._form.one("."+m.INPUTALT).on("change",this._updateWarning,this),this._form.one("."+m.INPUTWIDTH).on("blur",this._autoAdjustSize,this),this._form.one("."+m.INPUTHEIGHT).on("blur",this._autoAdjustSize,this,!0),this._form.one("."+m.INPUTCONSTRAIN).on("change",function(e){e.target.get("checked")&&this._autoAdjustSize(e)},this),this._form.one("."+m.INPUTURL).on("blur",this._urlChanged,this),this._form.one("."+m.INPUTSUBMIT).on("click",this._setImage,this),t&&this._form.one("."+m.IMAGEBROWSER).on("click",function(){this.get("host").showFilepicker("image",this._filepickerCallback,this)},this),this._form.one("."+m.INPUTALT).on("keyup",this._handleKeyup,this),e},_autoAdjustSize:function(g,e){var t,i,n,d,s,a,o,l,r,h;e=e||!1,t=this._form.one("."+m.INPUTWIDTH),i="width",n=this._form.one("."+m.INPUTHEIGHT),d="height",h=this._form.one("."+m.INPUTCONSTRAIN),s=t.get("value"),a=n.get("value"),o=this._form.one("."+m.IMAGEPREVIEW),this._rawImageDimensions&&(""===s&&(s=this._rawImageDimensions[i],t.set("value",s),s=t.get("value")),o.setStyles({width:null,height:null}),h.get("checked")?(e&&(h=t,t=n,n=h,h=i,i=d,d=h,h=s,s=a,a=h),s.match(u)?(a=s,l=parseInt(s,10),r=this._rawImageDimensions.width/100*l,o.setStyle("width",r),r=this._rawImageDimensions.height/100*l,o.setStyle("height",r)):(a=Math.round(s/this._rawImageDimensions[i]*this._rawImageDimensions[d]),e?o.setStyles({width:a,height:s}):o.setStyles({width:s,height:a})),n.set("value",a)):(s.match(u)?(l=parseInt(s,10),r=this._rawImageDimensions.width/100*l,o.setStyle("width",r+"px")):o.setStyle("width",s+"px"),a.match(u)?(l=parseInt(a,10),r=this._rawImageDimensions.height/100*l,o.setStyle("height",r+"px")):o.setStyle("height",a+"px")))},_filepickerCallback:function(e){""!==e.url&&(this._form.one("."+m.INPUTURL).set("value",e.url),this._form.one("."+m.INPUTWIDTH).set("value",""),this._form.one("."+m.INPUTHEIGHT).set("value",""),this._loadPreviewImage(e.url))},_applyImageProperties:function(t){var e=this._getSelectedImageProperties(),i=t.one("."+m.IMAGEPREVIEW);if(!1===e)return i.setStyle("display","none"),void a.some(function(e){return!!e.isDefault&&(t.one("."+m.INPUTALIGNMENT).set("value",e.value),!0)},this);e.align&&t.one("."+m.INPUTALIGNMENT).set("value",e.align),e.customstyle&&t.one("."+m.INPUTCUSTOMSTYLE).set("value",e.customstyle),e.width&&t.one("."+m.INPUTWIDTH).set("value",e.width),e.height&&t.one("."+m.INPUTHEIGHT).set("value",e.height),e.alt&&t.one("."+m.INPUTALT).set("value",e.alt),e.src&&(t.one("."+m.INPUTURL).set("value",e.src),this._loadPreviewImage(
+e.src)),e.presentation&&t.one("."+m.IMAGEPRESENTATION).set("checked","checked"),this._autoAdjustSize()},_getSelectedImageProperties:function(){var e,t,i={src:null,alt:null,width:null,height:null,align:"",presentation:!1},n=this.get("host").getSelectedNodes();return(n=n&&n.filter("img"))&&n.size()?(n=this._removeLegacyAlignment(n.item(0)),t=(this._selectedImage=n).getAttribute("style"),i.customstyle=t,(t=n.getAttribute("width")).match(u)||(t=parseInt(t,10)),(e=n.getAttribute("height")).match(u)||(e=parseInt(e,10)),0!==t&&(i.width=t),0!==e&&(i.height=e),this._getAlignmentPropeties(n,i),i.src=n.getAttribute("src"),i.alt=n.getAttribute("alt")||"",i.presentation="presentation"===n.get("role"),i):(this._selectedImage=null,!1)},_getAlignmentPropeties:function(i,n){var s;!a.some(function(e){var t=this._getAlignmentClass(e.value);return i.hasClass(t)?(n.align=e.value,!0):(e.isDefault&&(s=e.value),!1)},this)&&s&&(n.align=s)},_urlChanged:function(){var e=this._form.one("."+m.INPUTURL);""!==e.get("value")&&this._loadPreviewImage(e.get("value"))},_setImage:function(e){var t=this._form,i=t.one("."+m.INPUTURL).get("value"),n=t.one("."+m.INPUTALT).get("value"),s=t.one("."+m.INPUTWIDTH).get("value"),a=t.one("."+m.INPUTHEIGHT).get("value"),o=this._getAlignmentClass(t.one("."+m.INPUTALIGNMENT).get("value")),l=t.one("."+m.IMAGEPRESENTATION).get("checked"),g=t.one("."+m.INPUTCONSTRAIN).get("checked"),d=t.one("."+m.INPUTCUSTOMSTYLE).get("value"),r=[],h=this.get("host");if(e.preventDefault(),!this._updateWarning()){if(h.focus(),""!==i){if(this._selectedImage?h.setSelection(h.getSelectionFromNode(this._selectedImage)):h.setSelection(this._currentSelection),g&&r.push(m.RESPONSIVE),r.push(o),!s.match(u)&&isNaN(parseInt(s,10)))return void t.one("."+m.INPUTWIDTH).focus();if(!a.match(u)&&isNaN(parseInt(a,10)))return void t.one("."+m.INPUTHEIGHT).focus();e=c.Handlebars.compile(I)({url:i,alt:n,width:s,height:a,presentation:l,customstyle:d,classlist:r.join(" ")}),this.get("host").insertContentAtFocusPoint(e),this.markUpdated()}this.getDialogue({focusAfterHide:null}).hide()}},_removeLegacyAlignment:function(i){return i.getStyle("margin")&&a.some(function(e){if(i.getStyle(e.name)!==e.value)return!1;var t=c.Node.create("<div>");return t.setStyle("margin",e.margin),i.getStyle("margin")===t.getStyle("margin")&&(i.addClass(this._getAlignmentClass(e.value)),i.setStyle(e.name,null),i.setStyle("margin",null),!0)},this),i},_getAlignmentClass:function(e){return m.ALIGNSETTINGS+"_"+e},_updateWarning:function(){var e=this._form,t=!0,i=e.one("."+m.INPUTALT).get("value"),n=e.one("."+m.IMAGEPRESENTATION).get("checked"),t=""!==i||n?(e.one("."+m.IMAGEALTWARNING).setStyle("display","none"),e.one("."+m.INPUTALT).setAttribute("aria-invalid",!1),e.one("."+m.IMAGEPRESENTATION).setAttribute("aria-invalid",!1),!1):(e.one("."+m.IMAGEALTWARNING).setStyle("display","block"),e.one("."+m.INPUTALT).setAttribute("aria-invalid",!0),e.one("."+m.IMAGEPRESENTATION).setAttribute("aria-invalid",!0),!0);return this.getDialogue().centerDialogue(),t},_handleKeyup:function(){var e=this._form,t=e.one("."+m.INPUTALT).get("value").length;e.one("#currentcount").setHTML(t)}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/link/yui/build/moodle-atto_link-button/moodle-atto_link-button-min.js b/lib/editor/atto/plugins/link/yui/build/moodle-atto_link-button/moodle-atto_link-button-min.js
index 278e768807c..97f3eb13742 100644
--- a/lib/editor/atto/plugins/link/yui/build/moodle-atto_link-button/moodle-atto_link-button-min.js
+++ b/lib/editor/atto/plugins/link/yui/build/moodle-atto_link-button/moodle-atto_link-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_link-button",function(l,t){var n="atto_link",i={NEWWINDOW:"atto_link_openinnewwindow",URLINPUT:"atto_link_urlentry"},e=".atto_link_urlentry";l.namespace("M.atto_link").Button=l.Base.create("button",l.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_content:null,initializer:function(){this.addButton({icon:"e/insert_edit_link",keys:"75",callback:this._displayDialogue,tags:"a",tagMatchRequiresAll:!1}),this.addButton({buttonName:"unlink",callback:this._unlink,icon:"e/remove_link",title:"unlink",tags:"a",tagMatchRequiresAll:!1})},_displayDialogue:function(){if(this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection){var t=this.getDialogue({headerContent:M.util.get_string("createlink",n),width:"auto",focusAfterHide:!0,focusOnShowSelector:e});t.set("bodyContent",this._getDialogueContent()),this._resolveAnchors(),t.show()}},_resolveAnchors:function(){var t,e,n,i,o=this.get("host").getSelectionParentNode();o&&0<(t=this._findSelectedAnchors(l.one(o))).length&&(e=t[0],this._currentSelection=this.get("host").getSelectionFromNode(e),n=e.getAttribute("href"),i=e.getAttribute("target"),""!==n&&this._content.one(".url").setAttribute("value",n),"_blank"===i?this._content.one(".newwindow").setAttribute("checked","checked"):this._content.one(".newwindow").removeAttribute("checked"))},_filepickerCallback:function(t){this.getDialogue().set("focusAfterHide",null).hide(),""!==t.url&&(this._setLinkOnSelection(t.url),this.markUpdated())},_setLink:function(t){var e;t.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),""!==(e=this._content.one(".url").get("value"))&&(e=e.trim(),new RegExp(/^[a-zA-Z]*\.*\/|^#|^[a-zA-Z]*:/).test(e)||(e="http://"+e),this._setLinkOnSelection(e),this.markUpdated())},_setLinkOnSelection:function(t){var e,n,i,o=this.get("host");if(this.editor.focus(),o.setSelection(this._currentSelection),this._currentSelection[0].collapsed?((e=l.Node.create("<a>"+t+"</a>")).setAttribute("href",t),n=o.insertContentAtFocusPoint(e.get("outerHTML")),o.setSelection(o.getSelectionFromNode(n))):(document.execCommand("unlink",!1,null),document.execCommand("createLink",!1,t),n=o.getSelectionParentNode()),n)return i=this._findSelectedAnchors(l.one(n)),l.Array.each(i,function(t){this._content.one(".newwindow").get("checked")?t.setAttribute("target","_blank"):t.removeAttribute("target")},this),n},_findSelectedAnchors:function(t){var e,n,i=t.get("tagName");return i&&"a"===i.toLowerCase()?[t]:(n=[],t.all("a").each(function(t){!e&&this.get("host").selectionContainsNode(t)&&n.push(t)},this),0<n.length?n:(e=t.ancestor("a"))?[e]:[])},_getDialogueContent:function(){var t=this.get("host").canShowFilepicker("link"),e=l.Handlebars.compile('<form class="atto_form">{{#if showFilepicker}}<label for="{{elementid}}_atto_link_urlentry">{{get_string "enterurl" component}}</label><div class="input-group input-append w-100 mb-1"><input class="form-control url {{CSS.URLINPUT}}" type="url" id="{{elementid}}_atto_link_urlentry"/><span class="input-group-append"><button class="btn btn-secondary openlinkbrowser" type="button">{{get_string "browserepositories" component}}</button></span></div>{{else}}<div class="mb-1"><label for="{{elementid}}_atto_link_urlentry">{{get_string "enterurl" component}}</label><input class="form-control fullwidth url {{CSS.URLINPUT}}" type="url" id="{{elementid}}_atto_link_urlentry" size="32"/></div>{{/if}}<div class="form-check"><input type="checkbox" class="form-check-input newwindow" id="{{elementid}}_{{CSS.NEWWINDOW}}"/><label class="form-check-label" for="{{elementid}}_{{CSS.NEWWINDOW}}">{{get_string "openinnewwindow" component}}</label></div><div class="mdl-align"><br/><button type="submit" class="btn btn-secondary submit">{{get_string "createlink" component}}</button></div></form>');return this._content=l.Node.create(e({showFilepicker:t,component:n,CSS:i})),this._content.one(".submit").on("click",this._setLink,this),t&&this._content.one(".openlinkbrowser").on("click",function(t){t.preventDefault(),this.get("host").showFilepicker("link",this._filepickerCallback,this)},this),this._content},_unlink:function(){var t,n=this.get("host"),e=n.getSelection();e&&e.length&&(e[0].startOffset===e[0].endOffset?(t=n.getSelectedNodes())&&(t.each(function(t){var e=t.ancestor("a",!0);e&&(n.setSelection(n.getSelectionFromNode(e)),document.execCommand("unlink",!1,null))},this),this.markUpdated()):(document.execCommand("unlink",!1,null),this.markUpdated()))}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_link-button",function(i,t){var n="atto_link",o={NEWWINDOW:"atto_link_openinnewwindow",URLINPUT:"atto_link_urlentry"},e=".atto_link_urlentry";i.namespace("M.atto_link").Button=i.Base.create("button",i.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_content:null,initializer:function(){this.addButton({icon:"e/insert_edit_link",keys:"75",callback:this._displayDialogue,tags:"a",tagMatchRequiresAll:!1}),this.addButton({buttonName:"unlink",callback:this._unlink,icon:"e/remove_link",title:"unlink",tags:"a",tagMatchRequiresAll:!1})},_displayDialogue:function(){var t;this._currentSelection=this.get("host").getSelection(),!1!==this._currentSelection&&((t=this.getDialogue({headerContent:M.util.get_string("createlink",n),width:"auto",focusAfterHide:!0,focusOnShowSelector:e})).set("bodyContent",this._getDialogueContent()),this._resolveAnchors(),t.show())},_resolveAnchors:function(){var t,e=this.get("host").getSelectionParentNode();e&&0<(t=this._findSelectedAnchors(i.one(e))).length&&(e=t[0],this._currentSelection=this.get("host").getSelectionFromNode(e),t=e.getAttribute("href"),e=e.getAttribute("target"),""!==t&&this._content.one(".url").setAttribute("value",t),"_blank"===e?this._content.one(".newwindow").setAttribute("checked","checked"):this._content.one(".newwindow").removeAttribute("checked"))},_filepickerCallback:function(t){this.getDialogue().set("focusAfterHide",null).hide(),""!==t.url&&(this._setLinkOnSelection(t.url),this.markUpdated())},_setLink:function(t){t.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),""!==(t=this._content.one(".url").get("value"))&&(t=t.trim(),new RegExp(/^[a-zA-Z]*\.*\/|^#|^[a-zA-Z]*:/).test(t)||(t="http://"+t),this._setLinkOnSelection(t),this.markUpdated())},_setLinkOnSelection:function(t){var e,n=this.get("host");if(this.editor.focus(),n.setSelection(this._currentSelection),this._currentSelection[0].collapsed?((e=i.Node.create("<a>"+t+"</a>")).setAttribute("href",t),e=n.insertContentAtFocusPoint(e.get("outerHTML")),n.setSelection(n.getSelectionFromNode(e))):(document.execCommand("unlink",!1,null),document.execCommand("createLink",!1,t),e=n.getSelectionParentNode()),e)return t=this._findSelectedAnchors(i.one(e)),i.Array.each(t,function(t){this._content.one(".newwindow").get("checked")?t.setAttribute("target","_blank"):t.removeAttribute("target")},this),e},_findSelectedAnchors:function(t){var e,n,i=t.get("tagName");return i&&"a"===i.toLowerCase()?[t]:(n=[],t.all("a").each(function(t){!e&&this.get("host").selectionContainsNode(t)&&n.push(t)},this),0<n.length?n:(e=t.ancestor("a"))?[e]:[])},_getDialogueContent:function(){var t=this.get("host").canShowFilepicker("link"),e=i.Handlebars.compile('<form class="atto_form">{{#if showFilepicker}}<label for="{{elementid}}_atto_link_urlentry">{{get_string "enterurl" component}}</label><div class="input-group input-append w-100 mb-1"><input class="form-control url {{CSS.URLINPUT}}" type="url" id="{{elementid}}_atto_link_urlentry"/><span class="input-group-append"><button class="btn btn-secondary openlinkbrowser" type="button">{{get_string "browserepositories" component}}</button></span></div>{{else}}<div class="mb-1"><label for="{{elementid}}_atto_link_urlentry">{{get_string "enterurl" component}}</label><input class="form-control fullwidth url {{CSS.URLINPUT}}" type="url" id="{{elementid}}_atto_link_urlentry" size="32"/></div>{{/if}}<div class="form-check"><input type="checkbox" class="form-check-input newwindow" id="{{elementid}}_{{CSS.NEWWINDOW}}"/><label class="form-check-label" for="{{elementid}}_{{CSS.NEWWINDOW}}">{{get_string "openinnewwindow" component}}</label></div><div class="mdl-align"><br/><button type="submit" class="btn btn-secondary submit">{{get_string "createlink" component}}</button></div></form>');return this._content=i.Node.create(e({showFilepicker:t,component:n,CSS:o})),this._content.one(".submit").on("click",this._setLink,this),t&&this._content.one(".openlinkbrowser").on("click",function(t){t.preventDefault(),this.get("host").showFilepicker("link",this._filepickerCallback,this)},this),this._content},_unlink:function(){var e=this.get("host"),t=e.getSelection();t&&t.length&&(t[0].startOffset===t[0].endOffset?(t=e.getSelectedNodes())&&(t.each(function(t){t=t.ancestor("a",!0);t&&(e.setSelection(e.getSelectionFromNode(t)),document.execCommand("unlink",!1,null))},this),this.markUpdated()):(document.execCommand("unlink",!1,null),this.markUpdated()))}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/managefiles/yui/build/moodle-atto_managefiles-button/moodle-atto_managefiles-button-min.js b/lib/editor/atto/plugins/managefiles/yui/build/moodle-atto_managefiles-button/moodle-atto_managefiles-button-min.js
index 16ab8ed38b2..e47a73d1d79 100644
--- a/lib/editor/atto/plugins/managefiles/yui/build/moodle-atto_managefiles-button/moodle-atto_managefiles-button-min.js
+++ b/lib/editor/atto/plugins/managefiles/yui/build/moodle-atto_managefiles-button/moodle-atto_managefiles-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_managefiles-button",function(a,e){a.namespace("M.atto_managefiles").Button=a.Base.create("button",a.M.editor_atto.EditorPlugin,[],{_currentSelection:null,initializer:function(){if(!this.get("disabled")){var e=this.get("host"),t=this.get("area"),i=e.get("filepickeroptions");i.image&&i.image.itemid&&(t.itemid=i.image.itemid,this.set("area",t),this.addButton({icon:"e/manage_files",callback:this._displayDialogue}))}},_displayDialogue:function(e){var t,i;e.preventDefault(),t=this.getDialogue({headerContent:M.util.get_string("managefiles","atto_managefiles"),width:"800px",focusAfterHide:!0}),(i=a.Node.create("<iframe></iframe>")).setStyles({height:"700px",border:"none",width:"100%"}),i.setAttribute("src",this._getIframeURL()),t.set("bodyContent",i).show(),this.markUpdated()},_getIframeURL:function(){var e=a.mix({elementid:this.get("host").get("elementid")},this.get("area"));return M.cfg.wwwroot+"/lib/editor/atto/plugins/managefiles/manage.php?"+a.QueryString.stringify(e)}},{ATTRS:{disabled:{value:!0},area:{value:{}}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_managefiles-button",function(i,e){i.namespace("M.atto_managefiles").Button=i.Base.create("button",i.M.editor_atto.EditorPlugin,[],{_currentSelection:null,initializer:function(){var e,t;this.get("disabled")||(t=this.get("host"),e=this.get("area"),(t=t.get("filepickeroptions")).image&&t.image.itemid&&(e.itemid=t.image.itemid,this.set("area",e),this.addButton({icon:"e/manage_files",callback:this._displayDialogue})))},_displayDialogue:function(e){var t;e.preventDefault(),e=this.getDialogue({headerContent:M.util.get_string("managefiles","atto_managefiles"),width:"800px",focusAfterHide:!0}),(t=i.Node.create("<iframe></iframe>")).setStyles({height:"700px",border:"none",width:"100%"}),t.setAttribute("src",this._getIframeURL()),e.set("bodyContent",t).show(),this.markUpdated()},_getIframeURL:function(){var e=i.mix({elementid:this.get("host").get("elementid")},this.get("area"));return M.cfg.wwwroot+"/lib/editor/atto/plugins/managefiles/manage.php?"+i.QueryString.stringify(e)}},{ATTRS:{disabled:{value:!0},area:{value:{}}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/managefiles/yui/build/moodle-atto_managefiles-usedfiles/moodle-atto_managefiles-usedfiles-min.js b/lib/editor/atto/plugins/managefiles/yui/build/moodle-atto_managefiles-usedfiles/moodle-atto_managefiles-usedfiles-min.js
index b5c6cad4461..90153d95dbf 100644
--- a/lib/editor/atto/plugins/managefiles/yui/build/moodle-atto_managefiles-usedfiles/moodle-atto_managefiles-usedfiles-min.js
+++ b/lib/editor/atto/plugins/managefiles/yui/build/moodle-atto_managefiles-usedfiles/moodle-atto_managefiles-usedfiles-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_managefiles-usedfiles",function(o,e){var f="has-missing-files",r="has-unused-files",u=".fitem",m="#atto_managefiles_manageform",g=".missing-files";M.atto_managefiles=M.atto_managefiles||{},M.atto_managefiles.usedfiles=M.atto_managefiles.usedfiles||{_usercontext:null,_itemid:null,_elementid:null,init:function(e){var i,n,t,s,l,a,d;if(this._usercontext=e.usercontext,this._itemid=e.itemid,this._elementid=e.elementid,i=e.files,(n=o.one(m))&&window.parent)if(t=this._getUsedFiles(),s=this.findUnusedFiles(i,t),l=this.findMissingFiles(i,t),0<s.length?(n.all('input[type=checkbox][name^="deletefile"]').each(function(e){-1===o.Array.indexOf(s,e.getData("filename"))&&e.ancestor(u).remove()}),n.addClass(r)):n.removeClass(r),0<l.length){for(a="<ul>",d=0;d<l.length;d++)a+="<li>"+o.Escape.html(l[d])+"</li>";a+="</ul>",n.one(g).setHTML("").append(a),n.addClass(f)}else n.removeClass(f)},_getUsedFiles:function(){for(var e=o.one(window.parent.document.getElementById(this._elementid+"editable")),i=M.cfg.wwwroot+"/draftfile.php/"+this._usercontext+"/user/draft/"+this._itemid+"/",n=new RegExp(i.replace(/[\-\/\\\^$*+?.()|\[\]{}]/g,"\\$&")+"(.+?)[\\?\"']","gm"),t="",s={};null!==(t=n.exec(e.get("innerHTML")));)s[decodeURIComponent(t[1])]=!0;return s},findUnusedFiles:function(e,i){var n,t=[];for(n in e)i[n]||t.push(n);return t},findMissingFiles:function(e,i){var n,t=[];for(n in i)e[n]||t.push(n);return t}}},"@VERSION@",{requires:["node","escape"]});
\ No newline at end of file
+YUI.add("moodle-atto_managefiles-usedfiles",function(d,e){var o="has-missing-files",f="has-unused-files",r=".fitem",u="#atto_managefiles_manageform",m=".missing-files";M.atto_managefiles=M.atto_managefiles||{},M.atto_managefiles.usedfiles=M.atto_managefiles.usedfiles||{_usercontext:null,_itemid:null,_elementid:null,init:function(e){var i,n,t,s,l,a;if(this._usercontext=e.usercontext,this._itemid=e.itemid,this._elementid=e.elementid,e=e.files,(i=d.one(u))&&window.parent)if(n=this._getUsedFiles(),t=this.findUnusedFiles(e,n),s=this.findMissingFiles(e,n),0<t.length?(i.all('input[type=checkbox][name^="deletefile"]').each(function(e){-1===d.Array.indexOf(t,e.getData("filename"))&&e.ancestor(r).remove()}),i.addClass(f)):i.removeClass(f),0<s.length){for(l="<ul>",a=0;a<s.length;a++)l+="<li>"+d.Escape.html(s[a])+"</li>";l+="</ul>",i.one(m).setHTML("").append(l),i.addClass(o)}else i.removeClass(o)},_getUsedFiles:function(){for(var e,i=d.one(window.parent.document.getElementById(this._elementid+"editable")),n=M.cfg.wwwroot+"/draftfile.php/"+this._usercontext+"/user/draft/"+this._itemid+"/",t=new RegExp(n.replace(/[\-\/\\\^$*+?.()|\[\]{}]/g,"\\$&")+"(.+?)[\\?\"']","gm"),s={};null!==(e=t.exec(i.get("innerHTML")));)s[decodeURIComponent(e[1])]=!0;return s},findUnusedFiles:function(e,i){var n,t=[];for(n in e)i[n]||t.push(n);return t},findMissingFiles:function(e,i){var n,t=[];for(n in i)e[n]||t.push(n);return t}}},"@VERSION@",{requires:["node","escape"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/media/yui/build/moodle-atto_media-button/moodle-atto_media-button-min.js b/lib/editor/atto/plugins/media/yui/build/moodle-atto_media-button/moodle-atto_media-button-min.js
index 652046dba62..2c3f9b0de7f 100644
--- a/lib/editor/atto/plugins/media/yui/build/moodle-atto_media-button/moodle-atto_media-button-min.js
+++ b/lib/editor/atto/plugins/media/yui/build/moodle-atto_media-button/moodle-atto_media-button-min.js
@@ -1,5 +1,5 @@
-YUI.add("moodle-atto_media-button",function(d,e){var t="atto_media",i={LINK:"LINK",VIDEO:"VIDEO",AUDIO:"AUDIO"},a={SUBTITLES:"SUBTITLES",CAPTIONS:"CAPTIONS",DESCRIPTIONS:"DESCRIPTIONS",CHAPTERS:"CHAPTERS",METADATA:"METADATA"},l={SOURCE:"atto_media_source",TRACK:"atto_media_track",MEDIA_SOURCE:"atto_media_media_source",LINK_SOURCE:"atto_media_link_source",POSTER_SOURCE:"atto_media_poster_source",TRACK_SOURCE:"atto_media_track_source",DISPLAY_OPTIONS:"atto_media_display_options",NAME_INPUT:"atto_media_name_entry",TITLE_INPUT:"atto_media_title_entry",URL_INPUT:"atto_media_url_entry",POSTER_SIZE:"atto_media_poster_size",LINK_SIZE:"atto_media_link_size",WIDTH_INPUT:"atto_media_width_entry",HEIGHT_INPUT:"atto_media_height_entry",TRACK_KIND_INPUT:"atto_media_track_kind_entry",TRACK_LABEL_INPUT:"atto_media_track_label_entry",TRACK_LANG_INPUT:"atto_media_track_lang_entry",TRACK_DEFAULT_SELECT:"atto_media_track_default",MEDIA_CONTROLS_TOGGLE:"atto_media_controls",MEDIA_AUTOPLAY_TOGGLE:"atto_media_autoplay",MEDIA_MUTE_TOGGLE:"atto_media_mute",MEDIA_LOOP_TOGGLE:"atto_media_loop",ADVANCED_SETTINGS:"atto_media_advancedsettings",LINK:i.LINK.toLowerCase(),VIDEO:i.VIDEO.toLowerCase(),AUDIO:i.AUDIO.toLowerCase(),TRACK_SUBTITLES:a.SUBTITLES.toLowerCase(),TRACK_CAPTIONS:a.CAPTIONS.toLowerCase(),TRACK_DESCRIPTIONS:a.DESCRIPTIONS.toLowerCase(),TRACK_CHAPTERS:a.CHAPTERS.toLowerCase(),TRACK_METADATA:a.METADATA.toLowerCase()},s={SOURCE:"."+l.SOURCE,TRACK:"."+l.TRACK,MEDIA_SOURCE:"."+l.MEDIA_SOURCE,POSTER_SOURCE:"."+l.POSTER_SOURCE,TRACK_SOURCE:"."+l.TRACK_SOURCE,DISPLAY_OPTIONS:"."+l.DISPLAY_OPTIONS,NAME_INPUT:"."+l.NAME_INPUT,TITLE_INPUT:"."+l.TITLE_INPUT,URL_INPUT:"."+l.URL_INPUT,POSTER_SIZE:"."+l.POSTER_SIZE,LINK_SIZE:"."+l.LINK_SIZE,WIDTH_INPUT:"."+l.WIDTH_INPUT,HEIGHT_INPUT:"."+l.HEIGHT_INPUT,TRACK_KIND_INPUT:"."+l.TRACK_KIND_INPUT,TRACK_LABEL_INPUT:"."+l.TRACK_LABEL_INPUT,TRACK_LANG_INPUT:"."+l.TRACK_LANG_INPUT,TRACK_DEFAULT_SELECT:"."+l.TRACK_DEFAULT_SELECT,MEDIA_CONTROLS_TOGGLE:"."+l.MEDIA_CONTROLS_TOGGLE,MEDIA_AUTOPLAY_TOGGLE:"."+l.MEDIA_AUTOPLAY_TOGGLE,MEDIA_MUTE_TOGGLE:"."+l.MEDIA_MUTE_TOGGLE,MEDIA_LOOP_TOGGLE:"."+l.MEDIA_LOOP_TOGGLE,ADVANCED_SETTINGS:"."+l.ADVANCED_SETTINGS,LINK_TAB:'li[data-medium-type="'+l.LINK+'"]',LINK_PANE:'.tab-pane[data-medium-type="'+l.LINK+'"]',VIDEO_TAB:'li[data-medium-type="'+l.VIDEO+'"]',VIDEO_PANE:'.tab-pane[data-medium-type="'+l.VIDEO+'"]',AUDIO_TAB:'li[data-medium-type="'+l.AUDIO+'"]',AUDIO_PANE:'.tab-pane[data-medium-type="'+l.AUDIO+'"]',TRACK_SUBTITLES_TAB:'li[data-track-kind="'+l.TRACK_SUBTITLES+'"]',TRACK_SUBTITLES_PANE:'.tab-pane[data-track-kind="'+l.TRACK_SUBTITLES+'"]',TRACK_CAPTIONS_TAB:'li[data-track-kind="'+l.TRACK_CAPTIONS+'"]',TRACK_CAPTIONS_PANE:'.tab-pane[data-track-kind="'+l.TRACK_CAPTIONS+'"]',TRACK_DESCRIPTIONS_TAB:'li[data-track-kind="'+l.TRACK_DESCRIPTIONS+'"]',TRACK_DESCRIPTIONS_PANE:'.tab-pane[data-track-kind="'+l.TRACK_DESCRIPTIONS+'"]',TRACK_CHAPTERS_TAB:'li[data-track-kind="'+l.TRACK_CHAPTERS+'"]',TRACK_CHAPTERS_PANE:'.tab-pane[data-track-kind="'+l.TRACK_CHAPTERS+'"]',TRACK_METADATA_TAB:'li[data-track-kind="'+l.TRACK_METADATA+'"]',TRACK_METADATA_PANE:'.tab-pane[data-track-kind="'+l.TRACK_METADATA+'"]'},c={ROOT:'<form class="mform atto_form atto_media" id="{{elementid}}_atto_media_form"><ul class="root nav nav-tabs mb-1" role="tablist"><li data-medium-type="{{CSS.LINK}}" class="nav-item"><a class="nav-link active" href="#{{elementid}}_{{CSS.LINK}}" role="tab" data-toggle="tab">{{get_string "link" component}}</a></li><li data-medium-type="{{CSS.VIDEO}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{CSS.VIDEO}}" role="tab" data-toggle="tab">{{get_string "video" component}}</a></li><li data-medium-type="{{CSS.AUDIO}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{CSS.AUDIO}}" role="tab" data-toggle="tab">{{get_string "audio" component}}</a></li></ul><div class="root tab-content"><div data-medium-type="{{CSS.LINK}}" class="tab-pane active" id="{{elementid}}_{{CSS.LINK}}">{{> tab_panes.link}}</div><div data-medium-type="{{CSS.VIDEO}}" class="tab-pane" id="{{elementid}}_{{CSS.VIDEO}}">{{> tab_panes.video}}</div><div data-medium-type="{{CSS.AUDIO}}" class="tab-pane" id="{{elementid}}_{{CSS.AUDIO}}">{{> tab_panes.audio}}</div></div><div class="mdl-align"><br/><button class="btn btn-secondary submit" type="submit">{{get_string "createmedia" component}}</button></div></form>',TAB_PANES:{LINK:'{{renderPartial "form_components.source" context=this id=CSS.LINK_SOURCE}}<label for="{{elementid}}_link_nameentry">{{get_string "entername" component}}</label><input class="form-control fullwidth {{CSS.NAME_INPUT}}" type="text" id="{{elementid}}_link_nameentry"size="32" required="true"/>',
+YUI.add("moodle-atto_media-button",function(l,e){var t="atto_media",i={LINK:"LINK",VIDEO:"VIDEO",AUDIO:"AUDIO"},a={SUBTITLES:"SUBTITLES",CAPTIONS:"CAPTIONS",DESCRIPTIONS:"DESCRIPTIONS",CHAPTERS:"CHAPTERS",METADATA:"METADATA"},o={SOURCE:"atto_media_source",TRACK:"atto_media_track",MEDIA_SOURCE:"atto_media_media_source",LINK_SOURCE:"atto_media_link_source",POSTER_SOURCE:"atto_media_poster_source",TRACK_SOURCE:"atto_media_track_source",DISPLAY_OPTIONS:"atto_media_display_options",NAME_INPUT:"atto_media_name_entry",TITLE_INPUT:"atto_media_title_entry",URL_INPUT:"atto_media_url_entry",POSTER_SIZE:"atto_media_poster_size",LINK_SIZE:"atto_media_link_size",WIDTH_INPUT:"atto_media_width_entry",HEIGHT_INPUT:"atto_media_height_entry",TRACK_KIND_INPUT:"atto_media_track_kind_entry",TRACK_LABEL_INPUT:"atto_media_track_label_entry",TRACK_LANG_INPUT:"atto_media_track_lang_entry",TRACK_DEFAULT_SELECT:"atto_media_track_default",MEDIA_CONTROLS_TOGGLE:"atto_media_controls",MEDIA_AUTOPLAY_TOGGLE:"atto_media_autoplay",MEDIA_MUTE_TOGGLE:"atto_media_mute",MEDIA_LOOP_TOGGLE:"atto_media_loop",ADVANCED_SETTINGS:"atto_media_advancedsettings",LINK:i.LINK.toLowerCase(),VIDEO:i.VIDEO.toLowerCase(),AUDIO:i.AUDIO.toLowerCase(),TRACK_SUBTITLES:a.SUBTITLES.toLowerCase(),TRACK_CAPTIONS:a.CAPTIONS.toLowerCase(),TRACK_DESCRIPTIONS:a.DESCRIPTIONS.toLowerCase(),TRACK_CHAPTERS:a.CHAPTERS.toLowerCase(),TRACK_METADATA:a.METADATA.toLowerCase()},s={SOURCE:"."+o.SOURCE,TRACK:"."+o.TRACK,MEDIA_SOURCE:"."+o.MEDIA_SOURCE,POSTER_SOURCE:"."+o.POSTER_SOURCE,TRACK_SOURCE:"."+o.TRACK_SOURCE,DISPLAY_OPTIONS:"."+o.DISPLAY_OPTIONS,NAME_INPUT:"."+o.NAME_INPUT,TITLE_INPUT:"."+o.TITLE_INPUT,URL_INPUT:"."+o.URL_INPUT,POSTER_SIZE:"."+o.POSTER_SIZE,LINK_SIZE:"."+o.LINK_SIZE,WIDTH_INPUT:"."+o.WIDTH_INPUT,HEIGHT_INPUT:"."+o.HEIGHT_INPUT,TRACK_KIND_INPUT:"."+o.TRACK_KIND_INPUT,TRACK_LABEL_INPUT:"."+o.TRACK_LABEL_INPUT,TRACK_LANG_INPUT:"."+o.TRACK_LANG_INPUT,TRACK_DEFAULT_SELECT:"."+o.TRACK_DEFAULT_SELECT,MEDIA_CONTROLS_TOGGLE:"."+o.MEDIA_CONTROLS_TOGGLE,MEDIA_AUTOPLAY_TOGGLE:"."+o.MEDIA_AUTOPLAY_TOGGLE,MEDIA_MUTE_TOGGLE:"."+o.MEDIA_MUTE_TOGGLE,MEDIA_LOOP_TOGGLE:"."+o.MEDIA_LOOP_TOGGLE,ADVANCED_SETTINGS:"."+o.ADVANCED_SETTINGS,LINK_TAB:'li[data-medium-type="'+o.LINK+'"]',LINK_PANE:'.tab-pane[data-medium-type="'+o.LINK+'"]',VIDEO_TAB:'li[data-medium-type="'+o.VIDEO+'"]',VIDEO_PANE:'.tab-pane[data-medium-type="'+o.VIDEO+'"]',AUDIO_TAB:'li[data-medium-type="'+o.AUDIO+'"]',AUDIO_PANE:'.tab-pane[data-medium-type="'+o.AUDIO+'"]',TRACK_SUBTITLES_TAB:'li[data-track-kind="'+o.TRACK_SUBTITLES+'"]',TRACK_SUBTITLES_PANE:'.tab-pane[data-track-kind="'+o.TRACK_SUBTITLES+'"]',TRACK_CAPTIONS_TAB:'li[data-track-kind="'+o.TRACK_CAPTIONS+'"]',TRACK_CAPTIONS_PANE:'.tab-pane[data-track-kind="'+o.TRACK_CAPTIONS+'"]',TRACK_DESCRIPTIONS_TAB:'li[data-track-kind="'+o.TRACK_DESCRIPTIONS+'"]',TRACK_DESCRIPTIONS_PANE:'.tab-pane[data-track-kind="'+o.TRACK_DESCRIPTIONS+'"]',TRACK_CHAPTERS_TAB:'li[data-track-kind="'+o.TRACK_CHAPTERS+'"]',TRACK_CHAPTERS_PANE:'.tab-pane[data-track-kind="'+o.TRACK_CHAPTERS+'"]',TRACK_METADATA_TAB:'li[data-track-kind="'+o.TRACK_METADATA+'"]',TRACK_METADATA_PANE:'.tab-pane[data-track-kind="'+o.TRACK_METADATA+'"]'},r={ROOT:'<form class="mform atto_form atto_media" id="{{elementid}}_atto_media_form"><ul class="root nav nav-tabs mb-1" role="tablist"><li data-medium-type="{{CSS.LINK}}" class="nav-item"><a class="nav-link active" href="#{{elementid}}_{{CSS.LINK}}" role="tab" data-toggle="tab">{{get_string "link" component}}</a></li><li data-medium-type="{{CSS.VIDEO}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{CSS.VIDEO}}" role="tab" data-toggle="tab">{{get_string "video" component}}</a></li><li data-medium-type="{{CSS.AUDIO}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{CSS.AUDIO}}" role="tab" data-toggle="tab">{{get_string "audio" component}}</a></li></ul><div class="root tab-content"><div data-medium-type="{{CSS.LINK}}" class="tab-pane active" id="{{elementid}}_{{CSS.LINK}}">{{> tab_panes.link}}</div><div data-medium-type="{{CSS.VIDEO}}" class="tab-pane" id="{{elementid}}_{{CSS.VIDEO}}">{{> tab_panes.video}}</div><div data-medium-type="{{CSS.AUDIO}}" class="tab-pane" id="{{elementid}}_{{CSS.AUDIO}}">{{> tab_panes.audio}}</div></div><div class="mdl-align"><br/><button class="btn btn-secondary submit" type="submit">{{get_string "createmedia" component}}</button></div></form>',TAB_PANES:{LINK:'{{renderPartial "form_components.source" context=this id=CSS.LINK_SOURCE}}<label for="{{elementid}}_link_nameentry">{{get_string "entername" component}}</label><input class="form-control fullwidth {{CSS.NAME_INPUT}}" type="text" id="{{elementid}}_link_nameentry"size="32" required="true"/>',
 VIDEO:'{{renderPartial "form_components.source" context=this id=CSS.MEDIA_SOURCE entersourcelabel="videosourcelabel" addcomponentlabel="addsource" multisource="true" addsourcehelp=helpStrings.addsource}}<fieldset class="collapsible collapsed" id="{{elementid}}_video-display-options"><input name="mform_isexpanded_{{elementid}}_video-display-options" type="hidden"><legend class="ftoggler">{{get_string "displayoptions" component}}</legend><div class="fcontainer">{{renderPartial "form_components.display_options" context=this id=CSS.VIDEO mediatype_video=true}}</div></fieldset><fieldset class="collapsible collapsed" id="{{elementid}}_video-advanced-settings"><input name="mform_isexpanded_{{elementid}}_video-advanced-settings" type="hidden"><legend class="ftoggler">{{get_string "advancedsettings" component}}</legend><div class="fcontainer">{{renderPartial "form_components.advanced_settings" context=this id=CSS.VIDEO}}</div></fieldset><fieldset class="collapsible collapsed" id="{{elementid}}_video-tracks"><input name="mform_isexpanded_{{elementid}}_video-tracks" type="hidden"><legend class="ftoggler">{{get_string "tracks" component}} {{{helpStrings.tracks}}}</legend><div class="fcontainer">{{renderPartial "form_components.track_tabs" context=this id=CSS.VIDEO}}</div></fieldset>',AUDIO:'{{renderPartial "form_components.source" context=this id=CSS.MEDIA_SOURCE entersourcelabel="audiosourcelabel" addcomponentlabel="addsource" multisource="true" addsourcehelp=helpStrings.addsource}}<fieldset class="collapsible collapsed" id="{{elementid}}_audio-display-options"><input name="mform_isexpanded_{{elementid}}_audio-display-options" type="hidden"><legend class="ftoggler">{{get_string "displayoptions" component}}</legend><div class="fcontainer">{{renderPartial "form_components.display_options" context=this id=CSS.AUDIO}}</div></fieldset><fieldset class="collapsible collapsed" id="{{elementid}}_audio-advanced-settings"><input name="mform_isexpanded_{{elementid}}_audio-advanced-settings" type="hidden"><legend class="ftoggler">{{get_string "advancedsettings" component}}</legend><div class="fcontainer">{{renderPartial "form_components.advanced_settings" context=this id=CSS.AUDIO}}</div></fieldset><fieldset class="collapsible collapsed" id="{{elementid}}_audio-tracks"><input name="mform_isexpanded_{{elementid}}_audio-tracks" type="hidden"><legend class="ftoggler">{{get_string "tracks" component}} {{{helpStrings.tracks}}}</legend><div class="fcontainer">{{renderPartial "form_components.track_tabs" context=this id=CSS.AUDIO}}</div></fieldset>'},FORM_COMPONENTS:{SOURCE:'<div class="{{CSS.SOURCE}} {{id}}"><div class="mb-1"><label for="url-input">{{#entersourcelabel}}{{get_string ../entersourcelabel ../component}}{{/entersourcelabel}}{{^entersourcelabel}}{{get_string "entersource" ../component}}{{/entersourcelabel}}</label><div class="input-group input-append w-100"><input id="url-input" class="form-control {{CSS.URL_INPUT}}" type="url" size="32"/><span class="input-group-append"><button class="btn btn-secondary openmediabrowser" type="button">{{get_string "browserepositories" component}}</button></span></div></div>{{#multisource}}{{renderPartial "form_components.add_component" context=../this label=../addcomponentlabel  help=../addsourcehelp}}{{/multisource}}</div>',ADD_COMPONENT:'<div><a href="#" class="addcomponent">{{#label}}{{get_string ../label ../component}}{{/label}}{{^label}}{{get_string "add" ../component}}{{/label}}</a>{{#help}}{{{../help}}}{{/help}}</div>',REMOVE_COMPONENT:'<div><a href="#" class="removecomponent">{{#label}}{{get_string ../label ../component}}{{/label}}{{^label}}{{get_string "remove" ../component}}{{/label}}</a></div>',DISPLAY_OPTIONS:'<div class="{{CSS.DISPLAY_OPTIONS}}"><div class="mb-1"><label for="{{id}}_media-title-entry">{{get_string "entertitle" component}}</label><input class="form-control fullwidth {{CSS.TITLE_INPUT}}" type="text" id="{{id}}_media-title-entry"size="32"/></div><div class="clearfix"></div>{{#mediatype_video}}<div class="mb-1"><label>{{get_string "size" component}}</label><div class="form-inline {{CSS.POSTER_SIZE}}"><label class="accesshide">{{get_string "videowidth" component}}</label><input type="text" class="form-control mr-1 {{CSS.WIDTH_INPUT}} input-mini" size="4"/> x <label class="accesshide">{{get_string "videoheight" component}}</label><input type="text" class="form-control ml-1 {{CSS.HEIGHT_INPUT}} input-mini" size="4"/></div></div><div class="clearfix"></div>{{renderPartial "form_components.source" context=this id=CSS.POSTER_SOURCE entersourcelabel="poster"}}{{/mediatype_video}}<div>',ADVANCED_SETTINGS:'<div class="{{CSS.ADVANCED_SETTINGS}}"><div class="form-check"><input type="checkbox" checked="true" class="form-check-input {{CSS.MEDIA_CONTROLS_TOGGLE}}"id="{{id}}_media-controls-toggle"/><label class="form-check-label" for="{{id}}_media-controls-toggle">{{get_string "controls" component}}</label></div><div class="form-check"><input type="checkbox" class="form-check-input {{CSS.MEDIA_AUTOPLAY_TOGGLE}}"id="{{id}}_media-autoplay-toggle"/><label class="form-check-label" for="{{id}}_media-autoplay-toggle">{{get_string "autoplay" component}}</label></div><div class="form-check"><input type="checkbox" class="form-check-input {{CSS.MEDIA_MUTE_TOGGLE}}" id="{{id}}_media-mute-toggle"/><label class="form-check-label" for="{{id}}_media-mute-toggle">{{get_string "mute" component}}</label></div><div class="form-check"><input type="checkbox" class="form-check-input {{CSS.MEDIA_LOOP_TOGGLE}}" id="{{id}}_media-loop-toggle"/><label class="form-check-label" for="{{id}}_media-loop-toggle">{{get_string "loop" component}}</label></div></div>',
-TRACK_TABS:'<ul class="nav nav-tabs mb-3"><li data-track-kind="{{CSS.TRACK_SUBTITLES}}" class="nav-item"><a class="nav-link active" href="#{{elementid}}_{{id}}_{{CSS.TRACK_SUBTITLES}}" role="tab" data-toggle="tab">{{get_string "subtitles" component}}</a></li><li data-track-kind="{{CSS.TRACK_CAPTIONS}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{id}}_{{CSS.TRACK_CAPTIONS}}" role="tab" data-toggle="tab">{{get_string "captions" component}}</a></li><li data-track-kind="{{CSS.TRACK_DESCRIPTIONS}}"  class="nav-item"><a class="nav-link" href="#{{elementid}}_{{id}}_{{CSS.TRACK_DESCRIPTIONS}}" role="tab" data-toggle="tab">{{get_string "descriptions" component}}</a></li><li data-track-kind="{{CSS.TRACK_CHAPTERS}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{id}}_{{CSS.TRACK_CHAPTERS}}" role="tab" data-toggle="tab">{{get_string "chapters" component}}</a></li><li data-track-kind="{{CSS.TRACK_METADATA}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{id}}_{{CSS.TRACK_METADATA}}" role="tab" data-toggle="tab">{{get_string "metadata" component}}</a></li></ul><div class="tab-content"><div data-track-kind="{{CSS.TRACK_SUBTITLES}}" class="tab-pane active" id="{{elementid}}_{{id}}_{{CSS.TRACK_SUBTITLES}}"><div class="trackhelp">{{{helpStrings.subtitles}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="subtitlessourcelabel" addcomponentlabel="addsubtitlestrack"}}</div><div data-track-kind="{{CSS.TRACK_CAPTIONS}}" class="tab-pane" id="{{elementid}}_{{id}}_{{CSS.TRACK_CAPTIONS}}"><div class="trackhelp">{{{helpStrings.captions}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="captionssourcelabel" addcomponentlabel="addcaptionstrack"}}</div><div data-track-kind="{{CSS.TRACK_DESCRIPTIONS}}" class="tab-pane" id="{{elementid}}_{{id}}_{{CSS.TRACK_DESCRIPTIONS}}"><div class="trackhelp">{{{helpStrings.descriptions}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="descriptionssourcelabel" addcomponentlabel="adddescriptionstrack"}}</div><div data-track-kind="{{CSS.TRACK_CHAPTERS}}" class="tab-pane" id="{{elementid}}_{{id}}_{{CSS.TRACK_CHAPTERS}}"><div class="trackhelp">{{{helpStrings.chapters}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="chapterssourcelabel" addcomponentlabel="addchapterstrack"}}</div><div data-track-kind="{{CSS.TRACK_METADATA}}" class="tab-pane" id="{{elementid}}_{{id}}_{{CSS.TRACK_METADATA}}"><div class="trackhelp">{{{helpStrings.metadata}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="metadatasourcelabel" addcomponentlabel="addmetadatatrack"}}</div></div>',TRACK:'<div class="mb-1 {{CSS.TRACK}}">{{renderPartial "form_components.source" context=this id=CSS.TRACK_SOURCE entersourcelabel=sourcelabel}}<div class="form-group"><label class="w-100" for="lang-input">{{get_string "srclang" component}}</label><select id="lang-input" class="custom-select {{CSS.TRACK_LANG_INPUT}}"><optgroup label="{{get_string "languagesinstalled" component}}">{{#langsinstalled}}<option value="{{code}}" {{#default}}selected="selected"{{/default}}>{{lang}}</option>{{/langsinstalled}}</optgroup><optgroup label="{{get_string "languagesavailable" component}} ">{{#langsavailable}}<option value="{{code}}">{{lang}}</option>{{/langsavailable}}</optgroup></select></div><div class="form-group"><label class="w-100" for="track-input">{{get_string "label" component}}</label><input id="track-input" class="form-control {{CSS.TRACK_LABEL_INPUT}}" type="text"/></div><div class="form-check"><input type="checkbox" class="form-check-input {{CSS.TRACK_DEFAULT_SELECT}}"/><label class="form-check-label">{{get_string "default" component}}</label></div>{{renderPartial "form_components.add_component" context=this label=addcomponentlabel}}</div>'},HTML_MEDIA:{VIDEO:'&nbsp;<video {{#width}}width="{{../width}}" {{/width}}{{#height}}height="{{../height}}" {{/height}}{{#poster}}poster="{{../poster}}" {{/poster}}{{#showControls}}controls="true" {{/showControls}}{{#loop}}loop="true" {{/loop}}{{#muted}}muted="true" {{/muted}}{{#autoplay}}autoplay="true" {{/autoplay}}{{#title}}title="{{../title}}" {{/title}}>{{#sources}}<source src="{{source}}">{{/sources}}{{#tracks}}<track src="{{track}}" kind="{{kind}}" srclang="{{srclang}}" label="{{label}}" {{#defaultTrack}}default="true"{{/defaultTrack}}>{{/tracks}}{{#description}}{{../description}}{{/description}}</video>&nbsp',AUDIO:'&nbsp;<audio {{#showControls}}controls="true" {{/showControls}}{{#loop}}loop="true" {{/loop}}{{#muted}}muted="true" {{/muted}}{{#autoplay}}autoplay="true" {{/autoplay}}{{#title}}title="{{../title}}" {{/title}}>{{#sources}}<source src="{{source}}">{{/sources}}{{#tracks}}<track src="{{track}}" kind="{{kind}}" srclang="{{srclang}}" label="{{label}}" {{#defaultTrack}}default="true"{{/defaultTrack}}>{{/tracks}}{{#description}}{{../description}}{{/description}}</audio>&nbsp',LINK:'<a href="{{url}}" {{#width}}data-width="{{../width}}" {{/width}}{{#height}}data-height="{{../height}}"{{/height}}>{{#name}}{{../name}}{{/name}}{{^name}}{{../url}}{{/name}}</a>'}};d.namespace("M.atto_media").Button=d.Base.create("button",d.M.editor_atto.EditorPlugin,[],{initializer:function(){this.get("host").canShowFilepicker("media")&&(this.editor.delegate("dblclick",this._displayDialogue,"video",this),this.editor.delegate("click",this._handleClick,"video",this),this.addButton({icon:"e/insert_edit_video",callback:this._displayDialogue,tags:"video, audio",tagMatchRequiresAll:!1}))},_getContext:function(e){return d.merge({elementid:this.get("host").get("elementid"),component:t,langsinstalled:this.get("langs").installed,langsavailable:this.get("langs").available,helpStrings:this.get("help"),CSS:l},e)},_handleClick:function(e){var t=e.target,a=this.get("host").getSelectionFromNode(t);this.get("host").getSelection()!==a&&this.get("host").setSelection(a)},_displayDialogue:function(){!1!==this.get("host").getSelection()&&(
-"renderPartial"in d.Handlebars.helpers||(!function i(a,e){d.each(e,function(e,t){a.push(t),"object"!=typeof e?d.Handlebars.registerPartial(a.join(".").toLowerCase(),e):i(a,e),a.pop()})}([],c),d.Handlebars.registerHelper("renderPartial",function(e,t){var a,i,n;return e?(a=d.Handlebars.partials[e],i=t.hash.context?d.clone(t.hash.context):{},delete(n=d.merge(i,t.hash)).context,a?new d.Handlebars.SafeString(d.Handlebars.compile(a)(n)):""):""})),this.getDialogue({headerContent:M.util.get_string("createmedia",t),focusAfterHide:!0,width:660,focusOnShowSelector:s.URL_INPUT}).set("bodyContent",this._getDialogueContent(this.get("host").getSelection())).show(),M.form.shortforms({formid:this.get("host").get("elementid")+"_atto_media_form"}))},_getDialogueContent:function(e){var t=d.Node.create(d.Handlebars.compile(c.ROOT)(this._getContext())),a=this.get("host").getSelectedNodes().filter("video,audio").shift(),i=!!a&&this._getMediumProperties(a);return this._attachEvents(this._applyMediumProperties(t,i),e)},_attachEvents:function(e,i){return e.delegate("click",function(e){e.preventDefault(),this._addMediaSourceComponent(e.currentTarget)},s.MEDIA_SOURCE+" .addcomponent",this),e.delegate("click",function(e){e.preventDefault(),this._addTrackComponent(e.currentTarget)},s.TRACK+" .addcomponent",this),e.delegate("click",function(e){var t,a=e.currentTarget;a.get("checked")&&(t=function(e){return this._getTrackTypeFromTabPane(e.ancestor(".tab-pane"))}.bind(this),a.ancestor(".root.tab-content").all(s.TRACK_DEFAULT_SELECT).each(function(e){e!==a&&t(a)===t(e)&&e.set("checked",!1)}))},s.TRACK_DEFAULT_SELECT,this),e.delegate("click",function(e){var t=e.currentTarget,a=(t.ancestor(s.POSTER_SOURCE)?"image":t.ancestor(s.TRACK_SOURCE)&&"subtitle")||"media";e.preventDefault(),this.get("host").showFilepicker(a,this._getFilepickerCallback(t,a),this)},".openmediabrowser",this),e.all(".nav-item").on("click",function(e){e.currentTarget.get("parentNode").all(".active").removeClass("active")}),e.one(".submit").on("click",function(e){e.preventDefault();var t=this._getMediaHTML(e.currentTarget.ancestor(".atto_form")),a=this.get("host");this.getDialogue({focusAfterHide:null}).hide(),t&&(a.setSelection(i),a.insertContentAtFocusPoint(t),this.markUpdated())},this),e},_applyMediumProperties:function(e,t){var n,o,a;return t&&(n=function(e,t){e.one(s.TRACK_SOURCE+" "+s.URL_INPUT).set("value",t.src),e.one(s.TRACK_LANG_INPUT).set("value",t.srclang),e.one(s.TRACK_LABEL_INPUT).set("value",t.label),e.one(s.TRACK_DEFAULT_SELECT).set("checked",t.defaultTrack)},(o=e.one(".root.tab-content > .tab-pane#"+this.get("host").get("elementid")+"_"+t.type.toLowerCase())).one(s.MEDIA_SOURCE+" "+s.URL_INPUT).set("value",t.sources[0]),d.Array.each(t.sources.slice(1),function(t){this._addMediaSourceComponent(o.one(s.MEDIA_SOURCE+" .addcomponent"),function(e){e.one(s.URL_INPUT).set("value",t)})},this),d.Object.each(t.tracks,function(e,t){var a=e.length?e:[{src:"",srclang:"",label:"",defaultTrack:!1}],i=s["TRACK_"+t.toUpperCase()+"_PANE"];n(o.one(i+" "+s.TRACK),a[0]),d.Array.each(a.slice(1),function(t){this._addTrackComponent(o.one(i+" "+s.TRACK+" .addcomponent"),function(e){n(e,t)})},this)},this),o.one(s.TITLE_INPUT).set("value",t.title),o.one(s.MEDIA_CONTROLS_TOGGLE).set("checked",t.controls),o.one(s.MEDIA_AUTOPLAY_TOGGLE).set("checked",t.autoplay),o.one(s.MEDIA_MUTE_TOGGLE).set("checked",t.muted),o.one(s.MEDIA_LOOP_TOGGLE).set("checked",t.loop),"video"===(a=this._getMediumTypeFromTabPane(o))&&(o.one(s.POSTER_SOURCE+" "+s.URL_INPUT).setAttribute("value",t.poster),o.one(s.WIDTH_INPUT).set("value",t.width),o.one(s.HEIGHT_INPUT).set("value",t.height)),o.siblings(".active").removeClass("active"),e.all(".root.nav-tabs .nav-item a").removeClass("active"),o.addClass("active"),e.one(s[a.toUpperCase()+"_TAB"]+" a").addClass("active")),e},_getMediumProperties:function(e){var t=function(e,t){return e.hasAttribute(t)&&(e.getAttribute(t)||""===e.getAttribute(t))},a={subtitles:[],captions:[],descriptions:[],chapters:[],metadata:[]};return e.all("track").each(function(e){a[e.getAttribute("kind")].push({src:e.getAttribute("src"),srclang:e.getAttribute("srclang"),label:e.getAttribute("label"),defaultTrack:t(e,"default")})}),{type:e.test("video")?i.VIDEO:i.AUDIO,sources:e.all("source").get("src"),poster:e.getAttribute("poster"),title:e.getAttribute("title"),width:e.getAttribute("width"),height:e.getAttribute("height"),autoplay:t(e,"autoplay"),loop:t(e,"loop"),muted:t(e,"muted"),controls:t(e,"controls"),tracks:a}},_addTrackComponent:function(e,t){var a=this._getTrackTypeFromTabPane(e.ancestor(".tab-pane")),i=this._getContext({sourcelabel:a+"sourcelabel",addcomponentlabel:"add"+a+"track"});this._addComponent(e,c.FORM_COMPONENTS.TRACK,s.TRACK,i,t)},_addMediaSourceComponent:function(e,t){var a=this._getMediumTypeFromTabPane(e.ancestor(".tab-pane")),i=this._getContext({multisource:!0,id:l.MEDIA_SOURCE,entersourcelabel:a+"sourcelabel",addcomponentlabel:"addsource",addsourcehelp:this.get("help").addsource});this._addComponent(e,c.FORM_COMPONENTS.SOURCE,s.MEDIA_SOURCE,i,t)},_addComponent:function(e,t,a,i,n){var o,l=e.ancestor(a),s=d.Node.create(d.Handlebars.compile(t)(i)),r=this._getContext(i);r.label="remove",(o=d.Node.create(d.Handlebars.compile(c.FORM_COMPONENTS.REMOVE_COMPONENT)(r))).one(".removecomponent").on("click",function(e){e.preventDefault(),l.remove(!0)}),l.insert(s,"after"),e.ancestor().insert(o,"after"),e.ancestor().remove(!0),n&&n.call(this,s)},_getFilepickerCallback:function(n,o){return function(e){var t,a,i;""!==e.url&&(t=n.ancestor(".tab-pane"),n.ancestor(s.SOURCE).one(s.URL_INPUT).set("value",e.url),t.get("id")===this.get("host").get("elementid")+"_"+l.LINK&&t.one(s.NAME_INPUT).set("value",e.file),"subtitle"===o&&(a=e.file.split(".vtt")[0].split("-").slice(-1)[0],(i=this.get("langs").available.reduce(function(e,t){return t.code===a?t:e},!1))&&(n.ancestor(s.TRACK).one(s.TRACK_LABEL_INPUT).set("value",i.lang.substr(0,i.lang.lastIndexOf(" "))),n.ancestor(s.TRACK
-).one(s.TRACK_LANG_INPUT).set("value",i.code))))}},_getMediumTypeFromTabPane:function(e){return e.getAttribute("data-medium-type")},_getTrackTypeFromTabPane:function(e){return e.getAttribute("data-track-kind")},_getMediaHTML:function(e){var t=this._getMediumTypeFromTabPane(e.one(".root.tab-content > .tab-pane.active")),a=e.one(s[t.toUpperCase()+"_PANE"]);return this["_getMediaHTML"+t[0].toUpperCase()+t.substr(1)](a)},_getMediaHTMLLink:function(e){var t={url:e.one(s.URL_INPUT).get("value"),name:e.one(s.NAME_INPUT).get("value")||!1};return t.url?d.Handlebars.compile(c.HTML_MEDIA.LINK)(t):""},_getMediaHTMLVideo:function(e){var t=this._getContextForMediaHTML(e);return t.width=e.one(s.WIDTH_INPUT).get("value")||!1,t.height=e.one(s.HEIGHT_INPUT).get("value")||!1,t.poster=e.one(s.POSTER_SOURCE+" "+s.URL_INPUT).get("value")||!1,t.sources.length?d.Handlebars.compile(c.HTML_MEDIA.VIDEO)(t):""},_getMediaHTMLAudio:function(e){var t=this._getContextForMediaHTML(e);return t.sources.length?d.Handlebars.compile(c.HTML_MEDIA.AUDIO)(t):""},_getContextForMediaHTML:function(e){var t=[];return e.all(s.TRACK).each(function(e){t.push({track:e.one(s.TRACK_SOURCE+" "+s.URL_INPUT).get("value"),kind:this._getTrackTypeFromTabPane(e.ancestor(".tab-pane")),label:e.one(s.TRACK_LABEL_INPUT).get("value")||e.one(s.TRACK_LANG_INPUT).get("value"),srclang:e.one(s.TRACK_LANG_INPUT).get("value"),defaultTrack:e.one(s.TRACK_DEFAULT_SELECT).get("checked")?"true":null})},this),{sources:e.all(s.MEDIA_SOURCE+" "+s.URL_INPUT).get("value").filter(function(e){return!!e}).map(function(e){return{source:e}}),description:e.one(s.MEDIA_SOURCE+" "+s.URL_INPUT).get("value")||!1,tracks:t.filter(function(e){return!!e.track}),showControls:e.one(s.MEDIA_CONTROLS_TOGGLE).get("checked"),autoplay:e.one(s.MEDIA_AUTOPLAY_TOGGLE).get("checked"),muted:e.one(s.MEDIA_MUTE_TOGGLE).get("checked"),loop:e.one(s.MEDIA_LOOP_TOGGLE).get("checked"),title:e.one(s.TITLE_INPUT).get("value")||!1}}},{ATTRS:{langs:{},help:{}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","moodle-form-shortforms"]});
\ No newline at end of file
+TRACK_TABS:'<ul class="nav nav-tabs mb-3"><li data-track-kind="{{CSS.TRACK_SUBTITLES}}" class="nav-item"><a class="nav-link active" href="#{{elementid}}_{{id}}_{{CSS.TRACK_SUBTITLES}}" role="tab" data-toggle="tab">{{get_string "subtitles" component}}</a></li><li data-track-kind="{{CSS.TRACK_CAPTIONS}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{id}}_{{CSS.TRACK_CAPTIONS}}" role="tab" data-toggle="tab">{{get_string "captions" component}}</a></li><li data-track-kind="{{CSS.TRACK_DESCRIPTIONS}}"  class="nav-item"><a class="nav-link" href="#{{elementid}}_{{id}}_{{CSS.TRACK_DESCRIPTIONS}}" role="tab" data-toggle="tab">{{get_string "descriptions" component}}</a></li><li data-track-kind="{{CSS.TRACK_CHAPTERS}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{id}}_{{CSS.TRACK_CHAPTERS}}" role="tab" data-toggle="tab">{{get_string "chapters" component}}</a></li><li data-track-kind="{{CSS.TRACK_METADATA}}" class="nav-item"><a class="nav-link" href="#{{elementid}}_{{id}}_{{CSS.TRACK_METADATA}}" role="tab" data-toggle="tab">{{get_string "metadata" component}}</a></li></ul><div class="tab-content"><div data-track-kind="{{CSS.TRACK_SUBTITLES}}" class="tab-pane active" id="{{elementid}}_{{id}}_{{CSS.TRACK_SUBTITLES}}"><div class="trackhelp">{{{helpStrings.subtitles}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="subtitlessourcelabel" addcomponentlabel="addsubtitlestrack"}}</div><div data-track-kind="{{CSS.TRACK_CAPTIONS}}" class="tab-pane" id="{{elementid}}_{{id}}_{{CSS.TRACK_CAPTIONS}}"><div class="trackhelp">{{{helpStrings.captions}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="captionssourcelabel" addcomponentlabel="addcaptionstrack"}}</div><div data-track-kind="{{CSS.TRACK_DESCRIPTIONS}}" class="tab-pane" id="{{elementid}}_{{id}}_{{CSS.TRACK_DESCRIPTIONS}}"><div class="trackhelp">{{{helpStrings.descriptions}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="descriptionssourcelabel" addcomponentlabel="adddescriptionstrack"}}</div><div data-track-kind="{{CSS.TRACK_CHAPTERS}}" class="tab-pane" id="{{elementid}}_{{id}}_{{CSS.TRACK_CHAPTERS}}"><div class="trackhelp">{{{helpStrings.chapters}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="chapterssourcelabel" addcomponentlabel="addchapterstrack"}}</div><div data-track-kind="{{CSS.TRACK_METADATA}}" class="tab-pane" id="{{elementid}}_{{id}}_{{CSS.TRACK_METADATA}}"><div class="trackhelp">{{{helpStrings.metadata}}}</div>{{renderPartial "form_components.track" context=this sourcelabel="metadatasourcelabel" addcomponentlabel="addmetadatatrack"}}</div></div>',TRACK:'<div class="mb-1 {{CSS.TRACK}}">{{renderPartial "form_components.source" context=this id=CSS.TRACK_SOURCE entersourcelabel=sourcelabel}}<div class="form-group"><label class="w-100" for="lang-input">{{get_string "srclang" component}}</label><select id="lang-input" class="custom-select {{CSS.TRACK_LANG_INPUT}}"><optgroup label="{{get_string "languagesinstalled" component}}">{{#langsinstalled}}<option value="{{code}}" {{#default}}selected="selected"{{/default}}>{{lang}}</option>{{/langsinstalled}}</optgroup><optgroup label="{{get_string "languagesavailable" component}} ">{{#langsavailable}}<option value="{{code}}">{{lang}}</option>{{/langsavailable}}</optgroup></select></div><div class="form-group"><label class="w-100" for="track-input">{{get_string "label" component}}</label><input id="track-input" class="form-control {{CSS.TRACK_LABEL_INPUT}}" type="text"/></div><div class="form-check"><input type="checkbox" class="form-check-input {{CSS.TRACK_DEFAULT_SELECT}}"/><label class="form-check-label">{{get_string "default" component}}</label></div>{{renderPartial "form_components.add_component" context=this label=addcomponentlabel}}</div>'},HTML_MEDIA:{VIDEO:'&nbsp;<video {{#width}}width="{{../width}}" {{/width}}{{#height}}height="{{../height}}" {{/height}}{{#poster}}poster="{{../poster}}" {{/poster}}{{#showControls}}controls="true" {{/showControls}}{{#loop}}loop="true" {{/loop}}{{#muted}}muted="true" {{/muted}}{{#autoplay}}autoplay="true" {{/autoplay}}{{#title}}title="{{../title}}" {{/title}}>{{#sources}}<source src="{{source}}">{{/sources}}{{#tracks}}<track src="{{track}}" kind="{{kind}}" srclang="{{srclang}}" label="{{label}}" {{#defaultTrack}}default="true"{{/defaultTrack}}>{{/tracks}}{{#description}}{{../description}}{{/description}}</video>&nbsp',AUDIO:'&nbsp;<audio {{#showControls}}controls="true" {{/showControls}}{{#loop}}loop="true" {{/loop}}{{#muted}}muted="true" {{/muted}}{{#autoplay}}autoplay="true" {{/autoplay}}{{#title}}title="{{../title}}" {{/title}}>{{#sources}}<source src="{{source}}">{{/sources}}{{#tracks}}<track src="{{track}}" kind="{{kind}}" srclang="{{srclang}}" label="{{label}}" {{#defaultTrack}}default="true"{{/defaultTrack}}>{{/tracks}}{{#description}}{{../description}}{{/description}}</audio>&nbsp',LINK:'<a href="{{url}}" {{#width}}data-width="{{../width}}" {{/width}}{{#height}}data-height="{{../height}}"{{/height}}>{{#name}}{{../name}}{{/name}}{{^name}}{{../url}}{{/name}}</a>'}};l.namespace("M.atto_media").Button=l.Base.create("button",l.M.editor_atto.EditorPlugin,[],{initializer:function(){this.get("host").canShowFilepicker("media")&&(this.editor.delegate("dblclick",this._displayDialogue,"video",this),this.editor.delegate("click",this._handleClick,"video",this),this.addButton({icon:"e/insert_edit_video",callback:this._displayDialogue,tags:"video, audio",tagMatchRequiresAll:!1}))},_getContext:function(e){return l.merge({elementid:this.get("host").get("elementid"),component:t,langsinstalled:this.get("langs").installed,langsavailable:this.get("langs").available,helpStrings:this.get("help"),CSS:o},e)},_handleClick:function(e){e=e.target,e=this.get("host").getSelectionFromNode(e);this.get("host").getSelection()!==e&&this.get("host").setSelection(e)},_displayDialogue:function(){!1!==this.get("host").getSelection()&&("renderPartial"in l.Handlebars.helpers||(
+function i(a,e){l.each(e,function(e,t){a.push(t),"object"!=typeof e?l.Handlebars.registerPartial(a.join(".").toLowerCase(),e):i(a,e),a.pop()})}([],r),l.Handlebars.registerHelper("renderPartial",function(e,t){var a;return e?(e=l.Handlebars.partials[e],a=t.hash.context?l.clone(t.hash.context):{},delete(a=l.merge(a,t.hash)).context,e?new l.Handlebars.SafeString(l.Handlebars.compile(e)(a)):""):""})),this.getDialogue({headerContent:M.util.get_string("createmedia",t),focusAfterHide:!0,width:660,focusOnShowSelector:s.URL_INPUT}).set("bodyContent",this._getDialogueContent(this.get("host").getSelection())).show(),M.form.shortforms({formid:this.get("host").get("elementid")+"_atto_media_form"}))},_getDialogueContent:function(e){var t=l.Node.create(l.Handlebars.compile(r.ROOT)(this._getContext())),a=this.get("host").getSelectedNodes().filter("video,audio").shift(),a=!!a&&this._getMediumProperties(a);return this._attachEvents(this._applyMediumProperties(t,a),e)},_attachEvents:function(e,a){return e.delegate("click",function(e){e.preventDefault(),this._addMediaSourceComponent(e.currentTarget)},s.MEDIA_SOURCE+" .addcomponent",this),e.delegate("click",function(e){e.preventDefault(),this._addTrackComponent(e.currentTarget)},s.TRACK+" .addcomponent",this),e.delegate("click",function(e){var t,a=e.currentTarget;a.get("checked")&&(t=function(e){return this._getTrackTypeFromTabPane(e.ancestor(".tab-pane"))}.bind(this),a.ancestor(".root.tab-content").all(s.TRACK_DEFAULT_SELECT).each(function(e){e!==a&&t(a)===t(e)&&e.set("checked",!1)}))},s.TRACK_DEFAULT_SELECT,this),e.delegate("click",function(e){var t=e.currentTarget,a=(t.ancestor(s.POSTER_SOURCE)?"image":t.ancestor(s.TRACK_SOURCE)&&"subtitle")||"media";e.preventDefault(),this.get("host").showFilepicker(a,this._getFilepickerCallback(t,a),this)},".openmediabrowser",this),e.all(".nav-item").on("click",function(e){e.currentTarget.get("parentNode").all(".active").removeClass("active")}),e.one(".submit").on("click",function(e){e.preventDefault();var e=this._getMediaHTML(e.currentTarget.ancestor(".atto_form")),t=this.get("host");this.getDialogue({focusAfterHide:null}).hide(),e&&(t.setSelection(a),t.insertContentAtFocusPoint(e),this.markUpdated())},this),e},_applyMediumProperties:function(e,t){var i,n,a;return t&&(i=function(e,t){e.one(s.TRACK_SOURCE+" "+s.URL_INPUT).set("value",t.src),e.one(s.TRACK_LANG_INPUT).set("value",t.srclang),e.one(s.TRACK_LABEL_INPUT).set("value",t.label),e.one(s.TRACK_DEFAULT_SELECT).set("checked",t.defaultTrack)},(n=e.one(".root.tab-content > .tab-pane#"+this.get("host").get("elementid")+"_"+t.type.toLowerCase())).one(s.MEDIA_SOURCE+" "+s.URL_INPUT).set("value",t.sources[0]),l.Array.each(t.sources.slice(1),function(t){this._addMediaSourceComponent(n.one(s.MEDIA_SOURCE+" .addcomponent"),function(e){e.one(s.URL_INPUT).set("value",t)})},this),l.Object.each(t.tracks,function(e,t){var e=e.length?e:[{src:"",srclang:"",label:"",defaultTrack:!1}],a=s["TRACK_"+t.toUpperCase()+"_PANE"];i(n.one(a+" "+s.TRACK),e[0]),l.Array.each(e.slice(1),function(t){this._addTrackComponent(n.one(a+" "+s.TRACK+" .addcomponent"),function(e){i(e,t)})},this)},this),n.one(s.TITLE_INPUT).set("value",t.title),n.one(s.MEDIA_CONTROLS_TOGGLE).set("checked",t.controls),n.one(s.MEDIA_AUTOPLAY_TOGGLE).set("checked",t.autoplay),n.one(s.MEDIA_MUTE_TOGGLE).set("checked",t.muted),n.one(s.MEDIA_LOOP_TOGGLE).set("checked",t.loop),"video"===(a=this._getMediumTypeFromTabPane(n))&&(n.one(s.POSTER_SOURCE+" "+s.URL_INPUT).setAttribute("value",t.poster),n.one(s.WIDTH_INPUT).set("value",t.width),n.one(s.HEIGHT_INPUT).set("value",t.height)),n.siblings(".active").removeClass("active"),e.all(".root.nav-tabs .nav-item a").removeClass("active"),n.addClass("active"),e.one(s[a.toUpperCase()+"_TAB"]+" a").addClass("active")),e},_getMediumProperties:function(e){var t=function(e,t){return e.hasAttribute(t)&&(e.getAttribute(t)||""===e.getAttribute(t))},a={subtitles:[],captions:[],descriptions:[],chapters:[],metadata:[]};return e.all("track").each(function(e){a[e.getAttribute("kind")].push({src:e.getAttribute("src"),srclang:e.getAttribute("srclang"),label:e.getAttribute("label"),defaultTrack:t(e,"default")})}),{type:e.test("video")?i.VIDEO:i.AUDIO,sources:e.all("source").get("src"),poster:e.getAttribute("poster"),title:e.getAttribute("title"),width:e.getAttribute("width"),height:e.getAttribute("height"),autoplay:t(e,"autoplay"),loop:t(e,"loop"),muted:t(e,"muted"),controls:t(e,"controls"),tracks:a}},_addTrackComponent:function(e,t){var a=this._getTrackTypeFromTabPane(e.ancestor(".tab-pane")),a=this._getContext({sourcelabel:a+"sourcelabel",addcomponentlabel:"add"+a+"track"});this._addComponent(e,r.FORM_COMPONENTS.TRACK,s.TRACK,a,t)},_addMediaSourceComponent:function(e,t){var a=this._getMediumTypeFromTabPane(e.ancestor(".tab-pane")),a=this._getContext({multisource:!0,id:o.MEDIA_SOURCE,entersourcelabel:a+"sourcelabel",addcomponentlabel:"addsource",addsourcehelp:this.get("help").addsource});this._addComponent(e,r.FORM_COMPONENTS.SOURCE,s.MEDIA_SOURCE,a,t)},_addComponent:function(e,t,a,i,n){var o=e.ancestor(a),a=l.Node.create(l.Handlebars.compile(t)(i)),t=this._getContext(i);t.label="remove",(i=l.Node.create(l.Handlebars.compile(r.FORM_COMPONENTS.REMOVE_COMPONENT)(t))).one(".removecomponent").on("click",function(e){e.preventDefault(),o.remove(!0)}),o.insert(a,"after"),e.ancestor().insert(i,"after"),e.ancestor().remove(!0),n&&n.call(this,a)},_getFilepickerCallback:function(i,n){return function(e){var a,t;""!==e.url&&(t=i.ancestor(".tab-pane"),i.ancestor(s.SOURCE).one(s.URL_INPUT).set("value",e.url),t.get("id")===this.get("host").get("elementid")+"_"+o.LINK&&t.one(s.NAME_INPUT).set("value",e.file),"subtitle"===n&&(a=e.file.split(".vtt")[0].split("-").slice(-1)[0],(t=this.get("langs").available.reduce(function(e,t){return t.code===a?t:e},!1))&&(i.ancestor(s.TRACK).one(s.TRACK_LABEL_INPUT).set("value",t.lang.substr(0,t.lang.lastIndexOf(" "))),i.ancestor(s.TRACK).one(s.TRACK_LANG_INPUT).set("value",t.code))))}},
+_getMediumTypeFromTabPane:function(e){return e.getAttribute("data-medium-type")},_getTrackTypeFromTabPane:function(e){return e.getAttribute("data-track-kind")},_getMediaHTML:function(e){var t=this._getMediumTypeFromTabPane(e.one(".root.tab-content > .tab-pane.active")),e=e.one(s[t.toUpperCase()+"_PANE"]);return this["_getMediaHTML"+t[0].toUpperCase()+t.substr(1)](e)},_getMediaHTMLLink:function(e){e={url:e.one(s.URL_INPUT).get("value"),name:e.one(s.NAME_INPUT).get("value")||!1};return e.url?l.Handlebars.compile(r.HTML_MEDIA.LINK)(e):""},_getMediaHTMLVideo:function(e){var t=this._getContextForMediaHTML(e);return t.width=e.one(s.WIDTH_INPUT).get("value")||!1,t.height=e.one(s.HEIGHT_INPUT).get("value")||!1,t.poster=e.one(s.POSTER_SOURCE+" "+s.URL_INPUT).get("value")||!1,t.sources.length?l.Handlebars.compile(r.HTML_MEDIA.VIDEO)(t):""},_getMediaHTMLAudio:function(e){e=this._getContextForMediaHTML(e);return e.sources.length?l.Handlebars.compile(r.HTML_MEDIA.AUDIO)(e):""},_getContextForMediaHTML:function(e){var t=[];return e.all(s.TRACK).each(function(e){t.push({track:e.one(s.TRACK_SOURCE+" "+s.URL_INPUT).get("value"),kind:this._getTrackTypeFromTabPane(e.ancestor(".tab-pane")),label:e.one(s.TRACK_LABEL_INPUT).get("value")||e.one(s.TRACK_LANG_INPUT).get("value"),srclang:e.one(s.TRACK_LANG_INPUT).get("value"),defaultTrack:e.one(s.TRACK_DEFAULT_SELECT).get("checked")?"true":null})},this),{sources:e.all(s.MEDIA_SOURCE+" "+s.URL_INPUT).get("value").filter(function(e){return!!e}).map(function(e){return{source:e}}),description:e.one(s.MEDIA_SOURCE+" "+s.URL_INPUT).get("value")||!1,tracks:t.filter(function(e){return!!e.track}),showControls:e.one(s.MEDIA_CONTROLS_TOGGLE).get("checked"),autoplay:e.one(s.MEDIA_AUTOPLAY_TOGGLE).get("checked"),muted:e.one(s.MEDIA_MUTE_TOGGLE).get("checked"),loop:e.one(s.MEDIA_LOOP_TOGGLE).get("checked"),title:e.one(s.TITLE_INPUT).get("value")||!1}}},{ATTRS:{langs:{},help:{}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","moodle-form-shortforms"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/recordrtc/yui/build/moodle-atto_recordrtc-button/moodle-atto_recordrtc-button-min.js b/lib/editor/atto/plugins/recordrtc/yui/build/moodle-atto_recordrtc-button/moodle-atto_recordrtc-button-min.js
index 013087c2f2b..d14e0b58e52 100644
--- a/lib/editor/atto/plugins/recordrtc/yui/build/moodle-atto_recordrtc-button/moodle-atto_recordrtc-button-min.js
+++ b/lib/editor/atto/plugins/recordrtc/yui/build/moodle-atto_recordrtc-button/moodle-atto_recordrtc-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_recordrtc-button",function(s,t){var n="atto_recordrtc";s.namespace("M.atto_recordrtc").Button=s.Base.create("button",s.M.editor_atto.EditorPlugin,[],{_lang:"en",initializer:function(){var t,e,i;if(this.get("host").canShowFilepicker("media")){if(e=!1,"both"!==(t=this.get("allowedtypes"))&&"audio"!==t||(this._addButton("audio",this._audio),e=!0),"both"!==t&&"video"!==t||(this._addButton("video",this._video),e=!0),!e)return;(i=this.getDialogue({width:1e3,focusAfterHide:null})).after("visibleChange",function(){var t=!i.get("visible"),e=M.atto_recordrtc.commonmodule;t&&(window.clearInterval(e.countdownTicker),e.mediaRecorder&&"inactive"!==e.mediaRecorder.state&&e.mediaRecorder.stop(),e.stream&&e.stream.getTracks().forEach(function(t){"ended"!==t.readyState&&t.stop()}),this.getDialogue().set("bodyContent",""))},this),i.on("click",function(){this.centered()}),window.require(["core/adapter"],function(t){window.adapter=t})}},_addButton:function(t,e){this.addButton({buttonName:t,icon:this.get(t+"rtcicon"),iconComponent:n,callback:e,title:t+"rtc",tags:t+"rtc",tagMatchRequiresAll:!1})},_audio:function(){var t=this.getDialogue();t.set("headerContent",M.util.get_string("audiortc","atto_recordrtc")),t.set("bodyContent",this._createContent("audio")),t.show(),M.atto_recordrtc.audiomodule.init(this)},_video:function(){var t=this.getDialogue();t.set("headerContent",M.util.get_string("videortc","atto_recordrtc")),t.set("bodyContent",this._createContent("video")),t.show(),M.atto_recordrtc.videomodule.init(this)},_createContent:function(t){var e="audio"===t,i="row",o="col-",r="alert-danger",a="btn btn-lg btn-outline-danger btn-block",d=s.Handlebars.compile('<div class="{{PLUGINNAME}} container-fluid"><div class="{{bs_row}} hide"><div class="{{bs_col}}12"><div id="alert-danger" class="alert {{bs_al_dang}}"><strong>{{insecurealert_title}}</strong> {{insecurealert}}</div></div></div><div class="{{bs_row}} hide">{{#if isAudio}}<div class="{{bs_col}}1"></div><div class="{{bs_col}}10"><audio id="player"></audio></div><div class="{{bs_col}}1"></div>{{else}}<div class="{{bs_col}}12"><video id="player"></video></div>{{/if}}</div><div class="{{bs_row}}"><div class="{{bs_col}}1"></div><div class="{{bs_col}}10"><button id="start-stop" class="{{bs_ss_btn}}">{{startrecording}}</button></div><div class="{{bs_col}}1"></div></div><div class="{{bs_row}} hide"><div class="{{bs_col}}3"></div><div class="{{bs_col}}6"><button id="upload" class="btn btn-primary btn-block">{{attachrecording}}</button></div><div class="{{bs_col}}3"></div></div></div>')({PLUGINNAME:n,isAudio:e,bs_row:i,bs_col:o,bs_al_dang:r,bs_ss_btn:a,insecurealert_title:M.util.get_string("insecurealert_title","atto_recordrtc"),insecurealert:M.util.get_string("insecurealert","atto_recordrtc"),startrecording:M.util.get_string("startrecording","atto_recordrtc"),attachrecording:M.util.get_string("attachrecording","atto_recordrtc")});return d},closeDialogue:function(t){t.getDialogue().hide(),t.editor.focus()},setLink:function(t,e){t.getDialogue().hide(),t.editor.focus(),t.get("host").insertContentAtFocusPoint(e),t.markUpdated()}},{ATTRS:{contextid:{value:null},sesskey:{value:null},allowedtypes:{value:null},audiobitrate:{value:null},videobitrate:{value:null},timelimit:{value:null},audiortcicon:{value:null},videortcicon:{value:null},maxrecsize:{value:null}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","moodle-atto_recordrtc-recording"]});
\ No newline at end of file
+YUI.add("moodle-atto_recordrtc-button",function(e,t){var i="atto_recordrtc";e.namespace("M.atto_recordrtc").Button=e.Base.create("button",e.M.editor_atto.EditorPlugin,[],{_lang:"en",initializer:function(){var t,e,i;this.get("host").canShowFilepicker("media")&&(e=!1,"both"!==(t=this.get("allowedtypes"))&&"audio"!==t||(this._addButton("audio",this._audio),e=!0),"both"!==t&&"video"!==t||(this._addButton("video",this._video),e=!0),e&&((i=this.getDialogue({width:1e3,focusAfterHide:null})).after("visibleChange",function(){var t=!i.get("visible"),e=M.atto_recordrtc.commonmodule;t&&(window.clearInterval(e.countdownTicker),e.mediaRecorder&&"inactive"!==e.mediaRecorder.state&&e.mediaRecorder.stop(),e.stream&&e.stream.getTracks().forEach(function(t){"ended"!==t.readyState&&t.stop()}),this.getDialogue().set("bodyContent",""))},this),i.on("click",function(){this.centered()}),window.require(["core/adapter"],function(t){window.adapter=t})))},_addButton:function(t,e){this.addButton({buttonName:t,icon:this.get(t+"rtcicon"),iconComponent:i,callback:e,title:t+"rtc",tags:t+"rtc",tagMatchRequiresAll:!1})},_audio:function(){var t=this.getDialogue();t.set("headerContent",M.util.get_string("audiortc","atto_recordrtc")),t.set("bodyContent",this._createContent("audio")),t.show(),M.atto_recordrtc.audiomodule.init(this)},_video:function(){var t=this.getDialogue();t.set("headerContent",M.util.get_string("videortc","atto_recordrtc")),t.set("bodyContent",this._createContent("video")),t.show(),M.atto_recordrtc.videomodule.init(this)},_createContent:function(t){t="audio"===t,t=e.Handlebars.compile('<div class="{{PLUGINNAME}} container-fluid"><div class="{{bs_row}} hide"><div class="{{bs_col}}12"><div id="alert-danger" class="alert {{bs_al_dang}}"><strong>{{insecurealert_title}}</strong> {{insecurealert}}</div></div></div><div class="{{bs_row}} hide">{{#if isAudio}}<div class="{{bs_col}}1"></div><div class="{{bs_col}}10"><audio id="player"></audio></div><div class="{{bs_col}}1"></div>{{else}}<div class="{{bs_col}}12"><video id="player"></video></div>{{/if}}</div><div class="{{bs_row}}"><div class="{{bs_col}}1"></div><div class="{{bs_col}}10"><button id="start-stop" class="{{bs_ss_btn}}">{{startrecording}}</button></div><div class="{{bs_col}}1"></div></div><div class="{{bs_row}} hide"><div class="{{bs_col}}3"></div><div class="{{bs_col}}6"><button id="upload" class="btn btn-primary btn-block">{{attachrecording}}</button></div><div class="{{bs_col}}3"></div></div></div>')({PLUGINNAME:i,isAudio:t,bs_row:"row",bs_col:"col-",bs_al_dang:"alert-danger",bs_ss_btn:"btn btn-lg btn-outline-danger btn-block",insecurealert_title:M.util.get_string("insecurealert_title","atto_recordrtc"),insecurealert:M.util.get_string("insecurealert","atto_recordrtc"),startrecording:M.util.get_string("startrecording","atto_recordrtc"),attachrecording:M.util.get_string("attachrecording","atto_recordrtc")});return t},closeDialogue:function(t){t.getDialogue().hide(),t.editor.focus()},setLink:function(t,e){t.getDialogue().hide(),t.editor.focus(),t.get("host").insertContentAtFocusPoint(e),t.markUpdated()}},{ATTRS:{contextid:{value:null},sesskey:{value:null},allowedtypes:{value:null},audiobitrate:{value:null},videobitrate:{value:null},timelimit:{value:null},audiortcicon:{value:null},videortcicon:{value:null},maxrecsize:{value:null}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","moodle-atto_recordrtc-recording"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/recordrtc/yui/build/moodle-atto_recordrtc-recording/moodle-atto_recordrtc-recording-min.js b/lib/editor/atto/plugins/recordrtc/yui/build/moodle-atto_recordrtc-recording/moodle-atto_recordrtc-recording-min.js
index c50ca3e3e2f..6723f768127 100644
--- a/lib/editor/atto/plugins/recordrtc/yui/build/moodle-atto_recordrtc-recording/moodle-atto_recordrtc-recording-min.js
+++ b/lib/editor/atto/plugins/recordrtc/yui/build/moodle-atto_recordrtc-recording/moodle-atto_recordrtc-recording-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-atto_recordrtc-recording",function(r,t){var l,a,e;M.atto_recordrtc=M.atto_recordrtc||{},l=M.atto_recordrtc.commonmodule,a=M.atto_recordrtc.abstractmodule,M.atto_recordrtc.commonmodule={editorScope:null,alertWarning:null,alertDanger:null,player:null,playerDOM:null,startStopBtn:null,uploadBtn:null,countdownSeconds:null,countdownTicker:null,recType:null,stream:null,mediaRecorder:null,chunks:null,blobSize:null,maxUploadSize:null,capture_user_media:function(t,e,o){window.navigator.mediaDevices.getUserMedia(t).then(e)["catch"](o)},handle_data_available:function(t){l.chunks.push(t.data),l.blobSize+=t.data.size,l.blobSize>=l.maxUploadSize&&(window.localStorage.getItem("alerted")?window.localStorage.removeItem("alerted"):(window.localStorage.setItem("alerted","true"),l.startStopBtn.simulate("click"),a.show_alert("nearingmaxsize")),l.chunks.pop())},handle_stop:function(){var t=new window.Blob(l.chunks,{type:l.mediaRecorder.mimeType});l.player.set("srcObject",null),l.player.set("src",window.URL.createObjectURL(t)),l.player.set("muted",!1),l.player.set("controls",!0),l.player.ancestor().ancestor().removeClass("hide"),l.uploadBtn.ancestor().ancestor().removeClass("hide"),l.uploadBtn.set("textContent",M.util.get_string("attachrecording","atto_recordrtc")),l.uploadBtn.set("disabled",!1),l.editorScope.getDialogue().centered(),l.uploadBtn.on("click",function(){0===l.chunks.length?a.show_alert("norecordingfound"):(l.uploadBtn.set("disabled",!0),l.upload_to_server(l.recType,function(t,e){"ended"===t?(l.uploadBtn.set("disabled",!1),l.insert_annotation(l.recType,e)):"upload-failed"===t?(l.uploadBtn.set("disabled",!1),l.uploadBtn.set("textContent",M.util.get_string("uploadfailed","atto_recordrtc")+" "+e)):"upload-failed-404"===t?(l.uploadBtn.set("disabled",!1),l.uploadBtn.set("textContent",M.util.get_string("uploadfailed404","atto_recordrtc"))):"upload-aborted"===t?(l.uploadBtn.set("disabled",!1),l.uploadBtn.set("textContent",M.util.get_string("uploadaborted","atto_recordrtc")+" "+e)):l.uploadBtn.set("textContent",t)}))})},start_recording:function(t,e){var o,r=a.select_rec_options(t);l.mediaRecorder=new window.MediaRecorder(e,r),l.mediaRecorder.ondataavailable=l.handle_data_available,l.mediaRecorder.onstop=l.handle_stop,l.mediaRecorder.start(1e3),l.player.set("muted",!0),l.countdownSeconds=l.editorScope.get("timelimit"),l.countdownSeconds++,o=M.util.get_string("stoprecording","atto_recordrtc"),o+=' (<span id="minutes"></span>:<span id="seconds"></span>)',l.startStopBtn.setHTML(o),l.set_time(),l.countdownTicker=window.setInterval(l.set_time,1e3),l.startStopBtn.set("disabled",!1)},stop_recording:function(t){var e,o;for(l.mediaRecorder.stop(),e=t.getTracks(),o=0;o<e.length;o++)e[o].stop()},upload_to_server:function(c,i){var s=new window.XMLHttpRequest;s.open("GET",l.player.get("src"),!0),s.responseType="blob",s.onload=function(){var t,e,o,r,n,a,d;if(200===s.status){for(t=this.response,e=(1e3*Math.random()).toString().replace(".",""),e+="audio"===c?"-audio.ogg":"-video.webm",o=new window.FormData,r=l.editorScope.get("host").get("filepickeroptions").link,n=window.Object.keys(r.repositories),o.append("repo_upload_file",t,e),o.append("itemid",r.itemid),a=0;a<n.length;a++)if("upload"===r.repositories[n[a]].type){o.append("repo_id",r.repositories[n[a]].id);break}o.append("env",r.env),o.append("sesskey",M.cfg.sesskey),o.append("client_id",r.client_id),o.append("savepath","/"),o.append("ctx_id",r.context.id),d=M.cfg.wwwroot+"/repository/repository_ajax.php?action=upload",l.make_xmlhttprequest(d,o,function(t,e){"upload-ended"===t?i("ended",window.JSON.parse(e).url):i(t)})}},s.send()},make_xmlhttprequest:function(t,e,o){var r=new window.XMLHttpRequest;r.onreadystatechange=function(){4===r.readyState&&200===r.status?o("upload-ended",r.responseText):404===r.status&&o("upload-failed-404")},r.upload.onprogress=function(t){o(Math.round(t.loaded/t.total*100)+"% "+M.util.get_string("uploadprogress","atto_recordrtc"))},r.upload.onerror=function(t){o("upload-failed",t)},r.upload.onabort=function(t){o("upload-aborted",t)},r.open("POST",t),r.send(e)},pad:function(t){var e=t+"";return e.length<2?"0"+e:e},set_time:function(){l.countdownSeconds--,l.startStopBtn.one("span#seconds").set("textContent",l.pad(l.countdownSeconds%60)),l.startStopBtn.one("span#minutes").set("textContent",l.pad(window.parseInt(l.countdownSeconds/60,10))),0===l.countdownSeconds&&l.startStopBtn.simulate("click")},create_annotation:function(t,e){var o="";return o="audio"==t?"<audio controls='true'>":"<video controls='true'>",o+="<source src='"+e+"'>"+e,o+="audio"==t?"</audio>":"</video>"},insert_annotation:function(t,e){var o=l.create_annotation(t,e);o?l.editorScope.setLink(l.editorScope,o):l.uploadBtn.set("textContent",M.util.get_string("attachrecording","atto_recordrtc"))}},M.atto_recordrtc=M.atto_recordrtc||{},l=M.atto_recordrtc.commonmodule,a=M.atto_recordrtc.abstractmodule,M.atto_recordrtc.compatcheckmodule={check_has_gum:function(){navigator.mediaDevices&&window.MediaRecorder||a.show_alert("nowebrtc",function(){l.editorScope.closeDialogue(l.editorScope)})},check_secure:function(){"https:"===window.location.protocol||-1!==window.location.host.indexOf("localhost")||l.alertDanger.ancestor().ancestor().removeClass("hide")}},M.atto_recordrtc=M.atto_recordrtc||{},l=M.atto_recordrtc.commonmodule,a=M.atto_recordrtc.abstractmodule,M.atto_recordrtc.abstractmodule={show_alert:function(e,o){r.use("moodle-core-notification-alert",function(){var t=new M.core.alert({title:M.util.get_string(e+"_title","atto_recordrtc"),message:M.util.get_string(e,"atto_recordrtc")});o&&t.after("complete",o)})},handle_gum_errors:function(t,e){var o=M.util.get_string("recordingfailed","atto_recordrtc"),r=function(){e.onMediaStopped(o)},n="gum"+t.name.replace("Error","").toLowerCase();"gumsecurity"!==n?a.show_alert(n,r):a.show_alert(n,function(){l.editorScope.closeDialogue(l.editorScope)})},select_rec_options:function(t){var e,o,r;return o="audio"===t?(e=[
-"audio/webm;codecs=opus","audio/ogg;codecs=opus"],{audioBitsPerSecond:window.parseInt(l.editorScope.get("audiobitrate"))}):(e=["video/webm;codecs=vp9,opus","video/webm;codecs=h264,opus","video/webm;codecs=vp8,opus"],{audioBitsPerSecond:window.parseInt(l.editorScope.get("audiobitrate")),videoBitsPerSecond:window.parseInt(l.editorScope.get("videobitrate"))}),0!==(r=e.filter(function(t){return window.MediaRecorder.isTypeSupported(t)})).length&&(o.mimeType=r[0]),o}},M.atto_recordrtc=M.atto_recordrtc||{},l=M.atto_recordrtc.commonmodule,a=M.atto_recordrtc.abstractmodule,e=M.atto_recordrtc.compatcheckmodule,M.atto_recordrtc.audiomodule={init:function(t){l.editorScope=t,l.alertWarning=r.one("div#alert-warning"),l.alertDanger=r.one("div#alert-danger"),l.player=r.one("audio#player"),l.playerDOM=document.querySelector("audio#player"),l.startStopBtn=r.one("button#start-stop"),l.uploadBtn=r.one("button#upload"),l.recType="audio",l.maxUploadSize=t.get("maxrecsize"),e.check_has_gum(),e.check_secure(),l.startStopBtn.on("click",function(){if(l.startStopBtn.set("disabled",!0),l.startStopBtn.get("textContent")===M.util.get_string("startrecording","atto_recordrtc")||l.startStopBtn.get("textContent")===M.util.get_string("recordagain","atto_recordrtc")||l.startStopBtn.get("textContent")===M.util.get_string("recordingfailed","atto_recordrtc")){l.player.ancestor().ancestor().addClass("hide"),l.uploadBtn.ancestor().ancestor().addClass("hide"),l.startStopBtn.replaceClass("btn-outline-danger","btn-danger"),l.chunks=[],l.blobSize=0,l.uploadBtn.detach("click");var e={onMediaCaptured:function(t){l.stream=t,l.start_recording(l.recType,l.stream)},onMediaStopped:function(t){l.startStopBtn.set("textContent",t),l.startStopBtn.set("disabled",!1),l.startStopBtn.replaceClass("btn-danger","btn-outline-danger")},onMediaCapturingFailed:function(t){a.handle_gum_errors(t,e)}};M.atto_recordrtc.audiomodule.capture_audio(e)}else window.clearInterval(l.countdownTicker),window.setTimeout(function(){l.startStopBtn.set("disabled",!1)},1e3),l.stop_recording(l.stream),l.startStopBtn.set("textContent",M.util.get_string("recordagain","atto_recordrtc")),l.startStopBtn.replaceClass("btn-danger","btn-outline-danger");l.editorScope.getDialogue().centered()})},capture_audio:function(e){l.capture_user_media({audio:!0},function(t){l.playerDOM.srcObject=t,e.onMediaCaptured(t)},function(t){e.onMediaCapturingFailed(t)})}},M.atto_recordrtc=M.atto_recordrtc||{},l=M.atto_recordrtc.commonmodule,a=M.atto_recordrtc.abstractmodule,e=M.atto_recordrtc.compatcheckmodule,M.atto_recordrtc.videomodule={init:function(t){l.editorScope=t,l.alertWarning=r.one("div#alert-warning"),l.alertDanger=r.one("div#alert-danger"),l.player=r.one("video#player"),l.playerDOM=document.querySelector("video#player"),l.startStopBtn=r.one("button#start-stop"),l.uploadBtn=r.one("button#upload"),l.recType="video",l.maxUploadSize=t.get("maxrecsize"),e.check_has_gum(),e.check_secure(),l.startStopBtn.on("click",function(){if(l.startStopBtn.set("disabled",!0),l.startStopBtn.get("textContent")===M.util.get_string("startrecording","atto_recordrtc")||l.startStopBtn.get("textContent")===M.util.get_string("recordagain","atto_recordrtc")||l.startStopBtn.get("textContent")===M.util.get_string("recordingfailed","atto_recordrtc")){l.uploadBtn.ancestor().ancestor().addClass("hide"),l.startStopBtn.replaceClass("btn-outline-danger","btn-danger"),l.chunks=[],l.blobSize=0,l.uploadBtn.detach("click");var e={onMediaCaptured:function(t){l.stream=t,l.start_recording(l.recType,l.stream)},onMediaStopped:function(t){l.startStopBtn.set("textContent",t),l.startStopBtn.set("disabled",!1),l.startStopBtn.replaceClass("btn-danger","btn-outline-danger")},onMediaCapturingFailed:function(t){a.handle_gum_errors(t,e)}};l.player.ancestor().ancestor().removeClass("hide"),l.player.set("controls",!1),M.atto_recordrtc.videomodule.capture_audio_video(e)}else window.clearInterval(l.countdownTicker),window.setTimeout(function(){l.startStopBtn.set("disabled",!1)},1e3),l.stop_recording(l.stream),l.startStopBtn.set("textContent",M.util.get_string("recordagain","atto_recordrtc")),l.startStopBtn.replaceClass("btn-danger","btn-outline-danger");l.editorScope.getDialogue().centered()})},capture_audio_video:function(e){l.capture_user_media({audio:!0,video:{width:{ideal:640},height:{ideal:480}}},function(t){l.playerDOM.srcObject=t,l.playerDOM.play(),e.onMediaCaptured(t)},function(t){e.onMediaCapturingFailed(t)})}}},"@VERSION@",{requires:["moodle-atto_recordrtc-button"]});
\ No newline at end of file
+YUI.add("moodle-atto_recordrtc-recording",function(r,t){var s,n,e;M.atto_recordrtc=M.atto_recordrtc||{},s=M.atto_recordrtc.commonmodule,n=M.atto_recordrtc.abstractmodule,M.atto_recordrtc.commonmodule={editorScope:null,alertWarning:null,alertDanger:null,player:null,playerDOM:null,startStopBtn:null,uploadBtn:null,countdownSeconds:null,countdownTicker:null,recType:null,stream:null,mediaRecorder:null,chunks:null,blobSize:null,maxUploadSize:null,capture_user_media:function(t,e,o){window.navigator.mediaDevices.getUserMedia(t).then(e)["catch"](o)},handle_data_available:function(t){s.chunks.push(t.data),s.blobSize+=t.data.size,s.blobSize>=s.maxUploadSize&&(window.localStorage.getItem("alerted")?window.localStorage.removeItem("alerted"):(window.localStorage.setItem("alerted","true"),s.startStopBtn.simulate("click"),n.show_alert("nearingmaxsize")),s.chunks.pop())},handle_stop:function(){var t=new window.Blob(s.chunks,{type:s.mediaRecorder.mimeType});s.player.set("srcObject",null),s.player.set("src",window.URL.createObjectURL(t)),s.player.set("muted",!1),s.player.set("controls",!0),s.player.ancestor().ancestor().removeClass("hide"),s.uploadBtn.ancestor().ancestor().removeClass("hide"),s.uploadBtn.set("textContent",M.util.get_string("attachrecording","atto_recordrtc")),s.uploadBtn.set("disabled",!1),s.editorScope.getDialogue().centered(),s.uploadBtn.on("click",function(){0===s.chunks.length?n.show_alert("norecordingfound"):(s.uploadBtn.set("disabled",!0),s.upload_to_server(s.recType,function(t,e){"ended"===t?(s.uploadBtn.set("disabled",!1),s.insert_annotation(s.recType,e)):"upload-failed"===t?(s.uploadBtn.set("disabled",!1),s.uploadBtn.set("textContent",M.util.get_string("uploadfailed","atto_recordrtc")+" "+e)):"upload-failed-404"===t?(s.uploadBtn.set("disabled",!1),s.uploadBtn.set("textContent",M.util.get_string("uploadfailed404","atto_recordrtc"))):"upload-aborted"===t?(s.uploadBtn.set("disabled",!1),s.uploadBtn.set("textContent",M.util.get_string("uploadaborted","atto_recordrtc")+" "+e)):s.uploadBtn.set("textContent",t)}))})},start_recording:function(t,e){t=n.select_rec_options(t);s.mediaRecorder=new window.MediaRecorder(e,t),s.mediaRecorder.ondataavailable=s.handle_data_available,s.mediaRecorder.onstop=s.handle_stop,s.mediaRecorder.start(1e3),s.player.set("muted",!0),s.countdownSeconds=s.editorScope.get("timelimit"),s.countdownSeconds++,e=M.util.get_string("stoprecording","atto_recordrtc"),s.startStopBtn.setHTML(e+=' (<span id="minutes"></span>:<span id="seconds"></span>)'),s.set_time(),s.countdownTicker=window.setInterval(s.set_time,1e3),s.startStopBtn.set("disabled",!1)},stop_recording:function(t){var e,o;for(s.mediaRecorder.stop(),e=t.getTracks(),o=0;o<e.length;o++)e[o].stop()},upload_to_server:function(d,c){var i=new window.XMLHttpRequest;i.open("GET",s.player.get("src"),!0),i.responseType="blob",i.onload=function(){var t,e,o,r,n,a;if(200===i.status){for(a=this.response,t=(1e3*Math.random()).toString().replace(".",""),t+="audio"===d?"-audio.ogg":"-video.webm",e=new window.FormData,o=s.editorScope.get("host").get("filepickeroptions").link,r=window.Object.keys(o.repositories),e.append("repo_upload_file",a,t),e.append("itemid",o.itemid),n=0;n<r.length;n++)if("upload"===o.repositories[r[n]].type){e.append("repo_id",o.repositories[r[n]].id);break}e.append("env",o.env),e.append("sesskey",M.cfg.sesskey),e.append("client_id",o.client_id),e.append("savepath","/"),e.append("ctx_id",o.context.id),a=M.cfg.wwwroot+"/repository/repository_ajax.php?action=upload",s.make_xmlhttprequest(a,e,function(t,e){"upload-ended"===t?c("ended",window.JSON.parse(e).url):c(t)})}},i.send()},make_xmlhttprequest:function(t,e,o){var r=new window.XMLHttpRequest;r.onreadystatechange=function(){4===r.readyState&&200===r.status?o("upload-ended",r.responseText):404===r.status&&o("upload-failed-404")},r.upload.onprogress=function(t){o(Math.round(t.loaded/t.total*100)+"% "+M.util.get_string("uploadprogress","atto_recordrtc"))},r.upload.onerror=function(t){o("upload-failed",t)},r.upload.onabort=function(t){o("upload-aborted",t)},r.open("POST",t),r.send(e)},pad:function(t){t+="";return t.length<2?"0"+t:t},set_time:function(){s.countdownSeconds--,s.startStopBtn.one("span#seconds").set("textContent",s.pad(s.countdownSeconds%60)),s.startStopBtn.one("span#minutes").set("textContent",s.pad(window.parseInt(s.countdownSeconds/60,10))),0===s.countdownSeconds&&s.startStopBtn.simulate("click")},create_annotation:function(t,e){return("audio"==t?"<audio controls='true'>":"<video controls='true'>")+("<source src='"+e+"'>"+e)+("audio"==t?"</audio>":"</video>")},insert_annotation:function(t,e){t=s.create_annotation(t,e);t?s.editorScope.setLink(s.editorScope,t):s.uploadBtn.set("textContent",M.util.get_string("attachrecording","atto_recordrtc"))}},M.atto_recordrtc=M.atto_recordrtc||{},s=M.atto_recordrtc.commonmodule,n=M.atto_recordrtc.abstractmodule,M.atto_recordrtc.compatcheckmodule={check_has_gum:function(){navigator.mediaDevices&&window.MediaRecorder||n.show_alert("nowebrtc",function(){s.editorScope.closeDialogue(s.editorScope)})},check_secure:function(){"https:"===window.location.protocol||-1!==window.location.host.indexOf("localhost")||s.alertDanger.ancestor().ancestor().removeClass("hide")}},M.atto_recordrtc=M.atto_recordrtc||{},s=M.atto_recordrtc.commonmodule,n=M.atto_recordrtc.abstractmodule,M.atto_recordrtc.abstractmodule={show_alert:function(e,o){r.use("moodle-core-notification-alert",function(){var t=new M.core.alert({title:M.util.get_string(e+"_title","atto_recordrtc"),message:M.util.get_string(e,"atto_recordrtc")});o&&t.after("complete",o)})},handle_gum_errors:function(t,e){var o=M.util.get_string("recordingfailed","atto_recordrtc"),r=function(){e.onMediaStopped(o)},t="gum"+t.name.replace("Error","").toLowerCase();"gumsecurity"!=t?n.show_alert(t,r):n.show_alert(t,function(){s.editorScope.closeDialogue(s.editorScope)})},select_rec_options:function(t){var t="audio"===t?(e=["audio/webm;codecs=opus","audio/ogg;codecs=opus"],{
+audioBitsPerSecond:window.parseInt(s.editorScope.get("audiobitrate"))}):(e=["video/webm;codecs=vp9,opus","video/webm;codecs=h264,opus","video/webm;codecs=vp8,opus"],{audioBitsPerSecond:window.parseInt(s.editorScope.get("audiobitrate")),videoBitsPerSecond:window.parseInt(s.editorScope.get("videobitrate"))}),e=e.filter(function(t){return window.MediaRecorder.isTypeSupported(t)});return 0!==e.length&&(t.mimeType=e[0]),t}},M.atto_recordrtc=M.atto_recordrtc||{},s=M.atto_recordrtc.commonmodule,n=M.atto_recordrtc.abstractmodule,e=M.atto_recordrtc.compatcheckmodule,M.atto_recordrtc.audiomodule={init:function(t){s.editorScope=t,s.alertWarning=r.one("div#alert-warning"),s.alertDanger=r.one("div#alert-danger"),s.player=r.one("audio#player"),s.playerDOM=document.querySelector("audio#player"),s.startStopBtn=r.one("button#start-stop"),s.uploadBtn=r.one("button#upload"),s.recType="audio",s.maxUploadSize=t.get("maxrecsize"),e.check_has_gum(),e.check_secure(),s.startStopBtn.on("click",function(){var e;s.startStopBtn.set("disabled",!0),s.startStopBtn.get("textContent")===M.util.get_string("startrecording","atto_recordrtc")||s.startStopBtn.get("textContent")===M.util.get_string("recordagain","atto_recordrtc")||s.startStopBtn.get("textContent")===M.util.get_string("recordingfailed","atto_recordrtc")?(s.player.ancestor().ancestor().addClass("hide"),s.uploadBtn.ancestor().ancestor().addClass("hide"),s.startStopBtn.replaceClass("btn-outline-danger","btn-danger"),s.chunks=[],s.blobSize=0,s.uploadBtn.detach("click"),e={onMediaCaptured:function(t){s.stream=t,s.start_recording(s.recType,s.stream)},onMediaStopped:function(t){s.startStopBtn.set("textContent",t),s.startStopBtn.set("disabled",!1),s.startStopBtn.replaceClass("btn-danger","btn-outline-danger")},onMediaCapturingFailed:function(t){n.handle_gum_errors(t,e)}},M.atto_recordrtc.audiomodule.capture_audio(e)):(window.clearInterval(s.countdownTicker),window.setTimeout(function(){s.startStopBtn.set("disabled",!1)},1e3),s.stop_recording(s.stream),s.startStopBtn.set("textContent",M.util.get_string("recordagain","atto_recordrtc")),s.startStopBtn.replaceClass("btn-danger","btn-outline-danger")),s.editorScope.getDialogue().centered()})},capture_audio:function(e){s.capture_user_media({audio:!0},function(t){s.playerDOM.srcObject=t,e.onMediaCaptured(t)},function(t){e.onMediaCapturingFailed(t)})}},M.atto_recordrtc=M.atto_recordrtc||{},s=M.atto_recordrtc.commonmodule,n=M.atto_recordrtc.abstractmodule,e=M.atto_recordrtc.compatcheckmodule,M.atto_recordrtc.videomodule={init:function(t){s.editorScope=t,s.alertWarning=r.one("div#alert-warning"),s.alertDanger=r.one("div#alert-danger"),s.player=r.one("video#player"),s.playerDOM=document.querySelector("video#player"),s.startStopBtn=r.one("button#start-stop"),s.uploadBtn=r.one("button#upload"),s.recType="video",s.maxUploadSize=t.get("maxrecsize"),e.check_has_gum(),e.check_secure(),s.startStopBtn.on("click",function(){var e;s.startStopBtn.set("disabled",!0),s.startStopBtn.get("textContent")===M.util.get_string("startrecording","atto_recordrtc")||s.startStopBtn.get("textContent")===M.util.get_string("recordagain","atto_recordrtc")||s.startStopBtn.get("textContent")===M.util.get_string("recordingfailed","atto_recordrtc")?(s.uploadBtn.ancestor().ancestor().addClass("hide"),s.startStopBtn.replaceClass("btn-outline-danger","btn-danger"),s.chunks=[],s.blobSize=0,s.uploadBtn.detach("click"),e={onMediaCaptured:function(t){s.stream=t,s.start_recording(s.recType,s.stream)},onMediaStopped:function(t){s.startStopBtn.set("textContent",t),s.startStopBtn.set("disabled",!1),s.startStopBtn.replaceClass("btn-danger","btn-outline-danger")},onMediaCapturingFailed:function(t){n.handle_gum_errors(t,e)}},s.player.ancestor().ancestor().removeClass("hide"),s.player.set("controls",!1),M.atto_recordrtc.videomodule.capture_audio_video(e)):(window.clearInterval(s.countdownTicker),window.setTimeout(function(){s.startStopBtn.set("disabled",!1)},1e3),s.stop_recording(s.stream),s.startStopBtn.set("textContent",M.util.get_string("recordagain","atto_recordrtc")),s.startStopBtn.replaceClass("btn-danger","btn-outline-danger")),s.editorScope.getDialogue().centered()})},capture_audio_video:function(e){s.capture_user_media({audio:!0,video:{width:{ideal:640},height:{ideal:480}}},function(t){s.playerDOM.srcObject=t,s.playerDOM.play(),e.onMediaCaptured(t)},function(t){e.onMediaCapturingFailed(t)})}}},"@VERSION@",{requires:["moodle-atto_recordrtc-button"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/rtl/yui/build/moodle-atto_rtl-button/moodle-atto_rtl-button-min.js b/lib/editor/atto/plugins/rtl/yui/build/moodle-atto_rtl-button/moodle-atto_rtl-button-min.js
index 8f144d4f034..910e6f5eba1 100644
--- a/lib/editor/atto/plugins/rtl/yui/build/moodle-atto_rtl-button/moodle-atto_rtl-button-min.js
+++ b/lib/editor/atto/plugins/rtl/yui/build/moodle-atto_rtl-button/moodle-atto_rtl-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_rtl-button",function(t,e){t.namespace("M.atto_rtl").Button=t.Base.create("button",t.M.editor_atto.EditorPlugin,[],{initializer:function(){var t;t="ltr",this.addButton({icon:"e/left_to_right",title:t,buttonName:t,callback:this._toggleRTL,callbackArgs:t,tags:"[dir=ltr]"}),t="rtl",this.addButton({icon:"e/right_to_left",title:t,buttonName:t,callback:this._toggleRTL,callbackArgs:t,tags:"[dir=rtl]"})},_toggleRTL:function(t,e){var i,l=this.get("host"),r=window.rangy.saveSelection(),o=l.getSelection(),a={rtl:"ltr",ltr:"rtl"},n={rtl:"right",ltr:"left"};o&&((i=l.formatSelectionBlock().getDOMNode()).getAttribute("dir")===e?(i.setAttribute("dir",a[e]),i.style.textAlign=n[a[e]]):(i.setAttribute("dir",e),i.style.textAlign=n[e]),window.rangy.restoreSelection(r),this.markUpdated())}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_rtl-button",function(t,e){t.namespace("M.atto_rtl").Button=t.Base.create("button",t.M.editor_atto.EditorPlugin,[],{initializer:function(){var t="ltr";this.addButton({icon:"e/left_to_right",title:t,buttonName:t,callback:this._toggleRTL,callbackArgs:t,tags:"[dir=ltr]"}),this.addButton({icon:"e/right_to_left",title:t="rtl",buttonName:t,callback:this._toggleRTL,callbackArgs:t,tags:"[dir=rtl]"})},_toggleRTL:function(t,e){var i=this.get("host"),l=window.rangy.saveSelection(),r=i.getSelection(),o={rtl:"ltr",ltr:"rtl"},a={rtl:"right",ltr:"left"};r&&((r=i.formatSelectionBlock().getDOMNode()).getAttribute("dir")===e?(r.setAttribute("dir",o[e]),r.style.textAlign=a[o[e]]):(r.setAttribute("dir",e),r.style.textAlign=a[e]),window.rangy.restoreSelection(l),this.markUpdated())}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/table/yui/build/moodle-atto_table-button/moodle-atto_table-button-min.js b/lib/editor/atto/plugins/table/yui/build/moodle-atto_table-button/moodle-atto_table-button-min.js
index 8c75af17dbf..47511adddeb 100644
--- a/lib/editor/atto/plugins/table/yui/build/moodle-atto_table-button/moodle-atto_table-button-min.js
+++ b/lib/editor/atto/plugins/table/yui/build/moodle-atto_table-button/moodle-atto_table-button-min.js
@@ -1,5 +1,5 @@
-YUI.add("moodle-atto_table-button",function(O,e){var C="atto_table",S="none",R="1",T="480px",l={CAPTION:"caption",CAPTIONPOSITION:"captionposition",HEADERS:"headers",ROWS:"rows",COLUMNS:"columns",SUBMIT:"submit",FORM:"atto_form",BORDERS:"borders",BORDERSIZE:"bordersize",BORDERSIZEUNIT:"px",BORDERCOLOUR:"bordercolour",BORDERSTYLE:"borderstyle",BACKGROUNDCOLOUR:"backgroundcolour",WIDTH:"customwidth",WIDTHUNIT:"%",AVAILABLECOLORS:"availablecolors",COLOURROW:"colourrow"},w={CAPTION:"."+l.CAPTION,CAPTIONPOSITION:"."+l.CAPTIONPOSITION,HEADERS:"."+l.HEADERS,ROWS:"."+l.ROWS,COLUMNS:"."+l.COLUMNS,SUBMIT:"."+l.SUBMIT,BORDERS:"."+l.BORDERS,BORDERSIZE:"."+l.BORDERSIZE,BORDERCOLOURS:"."+l.BORDERCOLOUR+' input[name="borderColour"]',SELECTEDBORDERCOLOUR:"."+l.BORDERCOLOUR+' input[name="borderColour"]:checked',BORDERSTYLE:"."+l.BORDERSTYLE,BACKGROUNDCOLOURS:"."+l.BACKGROUNDCOLOUR+' input[name="backgroundColour"]',SELECTEDBACKGROUNDCOLOUR:"."+l.BACKGROUNDCOLOUR+' input[name="backgroundColour"]:checked',FORM:".atto_form",WIDTH:"."+l.WIDTH,AVAILABLECOLORS:"."+l.AVAILABLECOLORS};O.namespace("M.atto_table").Button=O.Base.create("button",O.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_contextMenu:null,_lastTarget:null,_menuOptions:null,initializer:function(){this.addButton({icon:"e/table",callback:this._displayTableEditor,tags:"table"}),O.UA.gecko&&(document.execCommand("enableInlineTableEditing",!1,!1),document.execCommand("enableObjectResizing",!1,!1))},_displayDialogue:function(){this._currentSelection=this.get("host").getSelection(),!1===this._currentSelection||this._currentSelection.collapsed||(this.getDialogue({headerContent:M.util.get_string("createtable",C),focusAfterHide:!0,focusOnShowSelector:w.CAPTION,width:T}).set("bodyContent",this._getDialogueContent(!1)).show(),this._updateAvailableSettings())},_displayTableEditor:function(e){var t=this._getSuitableTableCell();return t?(e.tableCell=t,this._showTableMenu(e)):this._displayDialogue(e)},_stopAtContentEditableFilter:function(e){return this.editor.contains(e)},_getDialogueContent:function(e){var t=O.Handlebars.compile(
+YUI.add("moodle-atto_table-button",function(v,e){var m="atto_table",_="none",p="1",f="480px",r={CAPTION:"caption",CAPTIONPOSITION:"captionposition",HEADERS:"headers",ROWS:"rows",COLUMNS:"columns",SUBMIT:"submit",FORM:"atto_form",BORDERS:"borders",BORDERSIZE:"bordersize",BORDERSIZEUNIT:"px",BORDERCOLOUR:"bordercolour",BORDERSTYLE:"borderstyle",BACKGROUNDCOLOUR:"backgroundcolour",WIDTH:"customwidth",WIDTHUNIT:"%",AVAILABLECOLORS:"availablecolors",COLOURROW:"colourrow"},O={CAPTION:"."+r.CAPTION,CAPTIONPOSITION:"."+r.CAPTIONPOSITION,HEADERS:"."+r.HEADERS,ROWS:"."+r.ROWS,COLUMNS:"."+r.COLUMNS,SUBMIT:"."+r.SUBMIT,BORDERS:"."+r.BORDERS,BORDERSIZE:"."+r.BORDERSIZE,BORDERCOLOURS:"."+r.BORDERCOLOUR+' input[name="borderColour"]',SELECTEDBORDERCOLOUR:"."+r.BORDERCOLOUR+' input[name="borderColour"]:checked',BORDERSTYLE:"."+r.BORDERSTYLE,BACKGROUNDCOLOURS:"."+r.BACKGROUNDCOLOUR+' input[name="backgroundColour"]',SELECTEDBACKGROUNDCOLOUR:"."+r.BACKGROUNDCOLOUR+' input[name="backgroundColour"]:checked',FORM:".atto_form",WIDTH:"."+r.WIDTH,AVAILABLECOLORS:"."+r.AVAILABLECOLORS};v.namespace("M.atto_table").Button=v.Base.create("button",v.M.editor_atto.EditorPlugin,[],{_currentSelection:null,_contextMenu:null,_lastTarget:null,_menuOptions:null,initializer:function(){this.addButton({icon:"e/table",callback:this._displayTableEditor,tags:"table"}),v.UA.gecko&&(document.execCommand("enableInlineTableEditing",!1,!1),document.execCommand("enableObjectResizing",!1,!1))},_displayDialogue:function(){this._currentSelection=this.get("host").getSelection(),!1===this._currentSelection||this._currentSelection.collapsed||(this.getDialogue({headerContent:M.util.get_string("createtable",m),focusAfterHide:!0,focusOnShowSelector:O.CAPTION,width:f}).set("bodyContent",this._getDialogueContent(!1)).show(),this._updateAvailableSettings())},_displayTableEditor:function(e){var t=this._getSuitableTableCell();return t?(e.tableCell=t,this._showTableMenu(e)):this._displayDialogue(e)},_stopAtContentEditableFilter:function(e){return this.editor.contains(e)},_getDialogueContent:function(e){var t=v.Handlebars.compile(
 '<form class="{{CSS.FORM}}"><div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_caption">{{get_string "caption" component}}</label></div><div class="col-sm-8"><input type="text" class="form-control {{CSS.CAPTION}}" id="{{elementid}}_atto_table_caption" required /></div></div><div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_captionposition">{{get_string "captionposition" component}}</label></div><div class="col-sm-8"><select class="custom-select {{CSS.CAPTIONPOSITION}}" id="{{elementid}}_atto_table_captionposition"><option value=""></option><option value="top">{{get_string "top" "editor"}}</option><option value="bottom">{{get_string "bottom" "editor"}}</option></select></div></div><div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_headers">{{get_string "headers" component}}</label></div><div class="col-sm-8"><select class="custom-select {{CSS.HEADERS}}" id="{{elementid}}_atto_table_headers"><option value="columns">{{get_string "columns" component}}</option><option value="rows">{{get_string "rows" component}}</option><option value="both">{{get_string "both" component}}</option></select></div></div>{{#if nonedit}}<div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_rows">{{get_string "numberofrows" component}}</label></div><div class="col-sm-8"><input class="form-control w-auto {{CSS.ROWS}}" type="number" value="3" id="{{elementid}}_atto_table_rows" size="8" min="1" max="50"/></div></div><div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_columns" >{{get_string "numberofcolumns" component}}</label></div><div class="col-sm-8"><input class="form-control w-auto {{CSS.COLUMNS}}" type="number" value="3" id="{{elementid}}_atto_table_columns"size="8" min="1" max="20"/></div></div>{{/if}}{{#if allowStyling}}<fieldset><legend class="mdl-align">{{get_string "appearance" component}}</legend>{{#if allowBorders}}<div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_borders">{{get_string "borders" component}}</label></div><div class="col-sm-8"><select name="borders" class="custom-select {{CSS.BORDERS}}" id="{{elementid}}_atto_table_borders"><option value="default">{{get_string "themedefault" component}}</option><option value="outer">{{get_string "outer" component}}</option><option value="all">{{get_string "all" component}}</option></select></div></div><div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_borderstyle">{{get_string "borderstyles" component}}</label></div><div class="col-sm-8"><select name="borderstyles" class="custom-select {{CSS.BORDERSTYLE}}" id="{{elementid}}_atto_table_borderstyle">{{#each borderStyles}}<option value="{{this}}">{{get_string this ../component}}</option>{{/each}}</select></div></div><div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_bordersize">{{get_string "bordersize" component}}</label></div><div class="col-sm-8"><div class="form-inline"><input name="bordersize" id="{{elementid}}_atto_table_bordersize" class="form-control w-auto mr-1 {{CSS.BORDERSIZE}}"type="number" value="1" size="8" min="1" max="50"/><label>{{CSS.BORDERSIZEUNIT}}</label></div></div></div><div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_bordercolour">{{get_string "bordercolour" component}}</label></div><div class="col-sm-8"><div id="{{elementid}}_atto_table_bordercolour"class="form-inline {{CSS.BORDERCOLOUR}} {{CSS.AVAILABLECOLORS}}" size="1"><div class="tablebordercolor" style="background-color:transparent;color:transparent"><input id="{{../elementid}}_atto_table_bordercolour_-1"type="radio" class="m-0" name="borderColour" value="none" checked="checked"title="{{get_string "themedefault" component}}"></input><label for="{{../elementid}}_atto_table_bordercolour_-1" class="accesshide">{{get_string "themedefault" component}}</label></div>{{#each availableColours}}<div class="tablebordercolor" style="background-color:{{this}};color:{{this}}"><input id="{{../elementid}}_atto_table_bordercolour_{{@index}}"type="radio" class="m-0" name="borderColour" value="{{this}}" title="{{this}}"><label for="{{../elementid}}_atto_table_bordercolour_{{@index}}" class="accesshide">{{this}}</label></div>{{/each}}</div></div></div>{{/if}}{{#if allowBackgroundColour}}<div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_backgroundcolour">{{get_string "backgroundcolour" component}}</label></div><div class="col-sm-8"><div id="{{elementid}}_atto_table_backgroundcolour"class="form-inline {{CSS.BACKGROUNDCOLOUR}} {{CSS.AVAILABLECOLORS}}" size="1"><div class="tablebackgroundcolor" style="background-color:transparent;color:transparent"><input id="{{../elementid}}_atto_table_backgroundcolour_-1"type="radio" class="m-0" name="backgroundColour" value="none" checked="checked"title="{{get_string "themedefault" component}}"></input><label for="{{../elementid}}_atto_table_backgroundcolour_-1" class="accesshide">{{get_string "themedefault" component}}</label></div>{{#each availableColours}}<div class="tablebackgroundcolor" style="background-color:{{this}};color:{{this}}"><input id="{{../elementid}}_atto_table_backgroundcolour_{{@index}}"type="radio" class="m-0" name="backgroundColour" value="{{this}}" title="{{this}}"><label for="{{../elementid}}_atto_table_backgroundcolour_{{@index}}" class="accesshide">{{this}}</label></div>{{/each}}</div></div></div>{{/if}}{{#if allowWidth}}<div class="mb-1 form-group row-fluid"><div class="col-sm-4"><label for="{{elementid}}_atto_table_width">{{get_string "width" component}}</label></div><div class="col-sm-8"><div class="form-inline"><input name="width" id="{{elementid}}_atto_table_width" class="form-control w-auto mr-1 {{CSS.WIDTH}}" size="8" type="number" min="0" max="100"/><label>{{CSS.WIDTHUNIT}}</label></div></div></div>{{/if}}</fieldset>{{/if}}<div class="mdl-align"><br/>{{#if edit}}<button class="btn btn-secondary submit" type="submit">{{get_string "updatetable" component}}</button>{{/if}}{{#if nonedit}}<button class="btn btn-secondary submit" type="submit">{{get_string "createtable" component}}</button>{{/if}}</div></form>'
-),o=this.get("allowBorders");return this._content=O.Node.create(t({CSS:l,elementid:this.get("host").get("elementid"),component:C,edit:e,nonedit:!e,allowStyling:this.get("allowStyling"),allowBorders:o,borderStyles:this.get("borderStyles"),allowBackgroundColour:this.get("allowBackgroundColour"),availableColours:this.get("availableColors"),allowWidth:this.get("allowWidth")})),e?this._content.one(".submit").on("click",this._updateTable,this):this._content.one(".submit").on("click",this._setTable,this),o&&this._content.one('[name="borders"]').on("change",this._updateAvailableSettings,this),this._content},_updateAvailableSettings:function(){var e=this._content,t=e.one('[name="borders"]'),o=e.one('[name="borderstyles"]'),a=e.one('[name="bordersize"]'),n=e.all('[name="borderColour"]'),r="removeAttribute";t&&("default"===t.get("value")&&(r="setAttribute"),o&&o[r]("disabled"),a&&a[r]("disabled"),n&&n[r]("disabled"))},_getSuitableTableCell:function(){var e,a=null,t=this.get("host"),n=O.bind(this._stopAtContentEditableFilter,this);return t.getSelectedNodes().some(function(e){var t,o;if(e.ancestor("td, th, caption",!0,n))return(t=(a=e).ancestor("caption",!0,n))&&(o=t.get("parentNode"))&&(a=o.one("td, th")),!0}),a&&(e=t.getSelectionFromNode(a),t.setSelection(e)),a},_changeNodeType:function(e,t){var o=O.Node.create("<"+t+"></"+t+">");return o.setAttrs(e.getAttrs()),e.get("childNodes").each(function(e){o.append(e.remove())}),e.replace(o),o},_updateTable:function(e){var t,o,a,n,r,l,i,s,d,c,u,g;e.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),t=e.currentTarget.ancestor(w.FORM).one(w.CAPTION),o=e.currentTarget.ancestor(w.FORM).one(w.CAPTIONPOSITION),a=e.currentTarget.ancestor(w.FORM).one(w.HEADERS),n=e.currentTarget.ancestor(w.FORM).one(w.BORDERS),r=e.currentTarget.ancestor(w.FORM).one(w.BORDERSIZE),i=e.currentTarget.ancestor(w.FORM).one(w.SELECTEDBORDERCOLOUR),l=e.currentTarget.ancestor(w.FORM).one(w.BORDERSTYLE),s=e.currentTarget.ancestor(w.FORM).one(w.SELECTEDBACKGROUNDCOLOUR),c=e.currentTarget.ancestor(w.FORM).one(w.WIDTH),d=this._lastTarget.ancestor("table"),this._setAppearance(d,{width:c,borders:n,borderColour:i,borderSize:r,borderStyle:l,backgroundColour:s}),(u=d.one("caption"))||(u=O.Node.create("<caption></caption>"),d.insert(u,0)),u.setHTML(t.get("value")),u.setStyle("caption-side",o.get("value")),u.getAttribute("style")||u.removeAttribute("style"),"rows"!==a.get("value")&&"both"!==a.get("value")||d.all("tr").each(function(e){var t=e.all("th, td"),o=t.shift();"TD"===o.get("tagName")?this._changeNodeType(o,"th").setAttribute("scope","row"):o.setAttribute("scope","row"),t.each(function(e){"TH"===e.get("tagName")&&this._changeNodeType(e,"td").removeAttribute("scope")},this)},this),"columns"!==a.get("value")&&"both"!==a.get("value")||((g=d.all("tr")).shift().all("td, th").each(function(e){"TD"===e.get("tagName")?this._changeNodeType(e,"th").setAttribute("scope","col"):e.setAttribute("scope","col")},this),g.each(function(e){var t=e.all("th, td");"both"===a.get("value")&&t.shift(),t.each(function(e){"TH"===e.get("tagName")&&this._changeNodeType(e,"td").removeAttribute("scope")},this)},this)),this.markUpdated()},_setTable:function(e){var t,o,a,n,r,l,i,s,d,c,u,g,h,b,m,_,v,p;if(e.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),t=e.currentTarget.ancestor(w.FORM).one(w.CAPTION),o=e.currentTarget.ancestor(w.FORM).one(w.CAPTIONPOSITION),a=e.currentTarget.ancestor(w.FORM).one(w.BORDERS),n=e.currentTarget.ancestor(w.FORM).one(w.BORDERSIZE),l=e.currentTarget.ancestor(w.FORM).one(w.SELECTEDBORDERCOLOUR),r=e.currentTarget.ancestor(w.FORM).one(w.BORDERSTYLE),u=e.currentTarget.ancestor(w.FORM).one(w.SELECTEDBACKGROUNDCOLOUR),i=e.currentTarget.ancestor(w.FORM).one(w.ROWS),s=e.currentTarget.ancestor(w.FORM).one(w.COLUMNS),d=e.currentTarget.ancestor(w.FORM).one(w.HEADERS),g=e.currentTarget.ancestor(w.FORM).one(w.WIDTH),this.get("host").setSelection(this._currentSelection),c="<br/>"+(m="\n")+'<table id="'+(_=O.guid())+'">'+m,v="",o.get("value")&&(v=' style="caption-side: '+o.get("value")+'"'),c+="<caption"+v+">"+O.Escape.html(t.get("value"))+"</caption>"+m,h=0,"columns"===d.get("value")||"both"===d.get("value")){for(h=1,c+="<thead>"+m+"<tr>"+m,b=0;b<parseInt(s.get("value"),10);b++)c+='<th scope="col"></th>'+m;c+="</tr>"+m+"</thead>"+m}for(c+="<tbody>"+m;h<parseInt(i.get("value"),10);h++){for(c+="<tr>"+m,b=0;b<parseInt(s.get("value"),10);b++)0!==b||"rows"!==d.get("value")&&"both"!==d.get("value")?c+="<td ></td>"+m:c+='<th scope="row"></th>'+m;c+="</tr>"+m}c+="</tbody>"+m,c+="</table>"+m+"<br/>",this.get("host").insertContentAtFocusPoint(c),p=O.one("#"+_),this._setAppearance(p,{width:g,borders:a,borderColour:l,borderSize:n,borderStyle:r,backgroundColour:u}),p.removeAttribute("id"),this.markUpdated()},_findColumnCells:function(){var r=this._getColumnIndex(this._lastTarget),e=this._lastTarget.ancestor("table").all("tr"),l=new O.NodeList,i=new O.NodeList,s=new O.NodeList;return e.each(function(e){var t=e.all("td, th"),o=t.item(r),a=t.item(r-1),n=t.item(r+1);l.push(o),a&&i.push(a),n&&s.push(n)}),{current:l,prev:i,next:s}},_hideInvalidEntries:function(e){var t,o,a,n,r=this._lastTarget.ancestor("table"),l=this._lastTarget.ancestor("tr"),i=r.all("tr"),s=i.indexOf(l),d=i.item(s-1),c=d?d.one("td"):null;l&&c?e.one('[data-change="moverowup"]').show():e.one('[data-change="moverowup"]').hide(),t=i.item(s+1),o=!!l&&l.one("td"),l&&t&&o?e.one('[data-change="moverowdown"]').show():e.one('[data-change="moverowdown"]').hide(),0<(a=this._findColumnCells()).prev.filter("td").size()?e.one('[data-change="movecolumnleft"]').show():e.one('[data-change="movecolumnleft"]').hide(),n=0<a.current.filter("td").size(),0<a.next.size()&&n?e.one('[data-change="movecolumnright"]').show():e.one('[data-change="movecolumnright"]').hide(),0<a.current.filter("td").size()?e.one('[data-change="deletecolumn"]').show():e.one('[data-change="deletecolumn"]').hide(),l&&l.one("td")?e.one('[data-change="deleterow"]').show():e.one(
-'[data-change="deleterow"]').hide()},_showTableMenu:function(e){var t,o;e.preventDefault(),this._contextMenu||(this._menuOptions=[{text:M.util.get_string("addcolumnafter",C),data:{change:"addcolumnafter"}},{text:M.util.get_string("addrowafter",C),data:{change:"addrowafter"}},{text:M.util.get_string("moverowup",C),data:{change:"moverowup"}},{text:M.util.get_string("moverowdown",C),data:{change:"moverowdown"}},{text:M.util.get_string("movecolumnleft",C),data:{change:"movecolumnleft"}},{text:M.util.get_string("movecolumnright",C),data:{change:"movecolumnright"}},{text:M.util.get_string("deleterow",C),data:{change:"deleterow"}},{text:M.util.get_string("deletecolumn",C),data:{change:"deletecolumn"}},{text:M.util.get_string("edittable",C),data:{change:"edittable"}}],this._contextMenu=new O.M.editor_atto.Menu({items:this._menuOptions}),(t=this._contextMenu.get("boundingBox")).delegate("click",this._handleTableChange,"a",this)),t=this._contextMenu.get("boundingBox"),this._lastTarget=e.tableCell.ancestor(".editor_atto_content td, .editor_atto_content th",!0),this._hideInvalidEntries(t),O.Array.each(this.get("host").openMenus,function(e){e.set("focusAfterHide",null)}),o=this.buttons[this.name],this.get("host")._setTabFocus(o),this._contextMenu.show(),this._contextMenu.align(this.buttons.table,[O.WidgetPositionAlign.TL,O.WidgetPositionAlign.BL]),this._contextMenu.set("focusAfterHide",o),t.one("a")&&t.one("a").focus(),this.get("host").openMenus=[this._contextMenu]},_handleTableChange:function(e){switch(e.preventDefault(),this._contextMenu.set("focusAfterHide",this.get("host").editor),this._contextMenu.hide(e),e.target.getData("change")){case"addcolumnafter":this._addColumnAfter();break;case"addrowafter":this._addRowAfter();break;case"deleterow":this._deleteRow();break;case"deletecolumn":this._deleteColumn();break;case"edittable":this._editTable();break;case"moverowdown":this._moveRowDown();break;case"moverowup":this._moveRowUp();break;case"movecolumnleft":this._moveColumnLeft();break;case"movecolumnright":this._moveColumnRight()}},_getRowIndex:function(e){var t=e.ancestor("table"),o=e.ancestor("tr");if(t&&o)return t.all("tr").indexOf(o)},_getColumnIndex:function(e){var t=e.ancestor("tr");if(t)return t.all("td, th").indexOf(e)},_deleteRow:function(){var e=this._lastTarget.ancestor("tr");e&&e.one("td")&&e.remove(!0),this.markUpdated()},_moveRowUp:function(){var e=this._lastTarget.ancestor("tr"),t=e.previous("tr");e&&t&&(e.swap(t),this.markUpdated())},_moveColumnLeft:function(){var e,t,o,a=this._findColumnCells();if(0<a.current.size()&&0<a.prev.size()&&a.current.size()===a.prev.size())for(e=e=0;e<a.current.size();e++)t=a.current.item(e),o=a.prev.item(e),t.swap(o);this.markUpdated()},_addCaption:function(){var e=this._lastTarget.ancestor("table");e.one("caption")||e.insert(O.Node.create("<caption>&nbsp;</caption>"),1)},_removeCaption:function(){var e=this._lastTarget.ancestor("table").one("caption");e&&e.remove(!0)},_moveColumnRight:function(){var e,t,o,a=this._findColumnCells();if(0<a.next.size()&&a.current.size()===a.next.size()&&0<a.current.filter("td").size())for(e=e=0;e<a.current.size();e++)t=a.current.item(e),o=a.next.item(e),t.swap(o);this.markUpdated()},_moveRowDown:function(){var e=this._lastTarget.ancestor("tr"),t=e.next("tr");e&&t&&e.one("td")&&(e.swap(t),this.markUpdated())},_getBorderConfiguration:function(e){var t,o,a=e.cloneNode(!0),n=a.getStyle("borderStyle"),r=a.getStyle("borderColor"),l=a.getStyle("borderWidth");return!!(n||r||l)&&(t=O.Color.toHex(r),o=parseInt(l,10),{borderStyle:n,borderColor:"#"===t?null:t,borderWidth:isNaN(o)?null:o})},_setAppearance:function(e,t){var o,a,n,r;t.borderColour&&(o=t.borderColour.get("value")),t.borderSize&&(a=t.borderSize.get("value")),t.borderStyle&&(n=t.borderStyle.get("value")),t.backgroundColour&&(r=t.backgroundColour.get("value")),e.removeAttribute("style"),e.all("td, th").each(function(e){e.removeAttribute("style")},this),t.borders&&("outer"===t.borders.get("value")?(e.setStyle("borderWidth",a+l.BORDERSIZEUNIT),e.setStyle("borderStyle",n),"none"!==o&&e.setStyle("borderColor",o)):"all"===t.borders.get("value")&&e.all("td, th").each(function(e){e.setStyle("borderWidth",a+l.BORDERSIZEUNIT),e.setStyle("borderStyle",n),"none"!==o&&e.setStyle("borderColor",o)},this)),"none"!==r&&e.setStyle("backgroundColor",r),t.width&&t.width.get("value")&&e.setStyle("width",t.width.get("value")+l.WIDTHUNIT)},_editTable:function(){var e,t,o,a,n,r,l,i=this.getDialogue({headerContent:M.util.get_string("edittable",C),focusAfterHide:!1,focusOnShowSelector:w.CAPTION,width:T}),s=this._getDialogueContent(!0),d=s.one(w.CAPTION),c=s.one(w.CAPTIONPOSITION),u=s.one(w.HEADERS),g=s.one(w.BORDERS),h=s.one(w.BORDERSTYLE),b=s.all(w.BORDERCOLOURS),m=s.one(w.BORDERSIZE),_=s.all(w.BACKGROUNDCOLOURS),v=s.one(w.WIDTH),p=this._lastTarget.ancestor("table"),f=p.one("caption");f?d.set("value",f.getHTML()):d.set("value",""),v&&-1===p.getStyle("width").indexOf("px")&&v.set("value",parseInt(p.getStyle("width"),10)),c&&f&&f.getAttribute("style")?c.set("value",f.getStyle("caption-side")):c.set("value",""),p.getStyle("backgroundColor")&&this.get("allowBackgroundColour")&&(e=O.Color.toHex(p.getStyle("backgroundColor")),(t=_.filter('[value="'+e+'"]'))&&t.set("checked",!0)),this.get("allowBorders")&&(o="default",(a=this._getBorderConfiguration(p))?o="outer":(a=this._getBorderConfiguration(p.one("td")))&&(o="all"),a&&(n=a.borderStyle||S,r=a.borderWidth||R,h.set("value",n),m.set("value",r),g.set("value",o),e=a.borderColor,(t=b.filter('[value="'+e+'"]'))&&t.set("checked",!0))),l="columns",p.one('th[scope="row"]')&&(l="rows",p.one('th[scope="col"]')&&(l="both")),u.set("value",l),i.set("bodyContent",s).show(),this._updateAvailableSettings()},_deleteColumn:function(){var a=this._getColumnIndex(this._lastTarget),e=this._lastTarget.ancestor("table").all("tr"),n=new O.NodeList,r=!1;e.each(function(e){var t=e.all("td, th"),o=t.item(a);"TD"===o.get("tagName")&&(r=!0),n.push(o)}),r&&n.remove(!0),this.markUpdated(
-)},_addRowAfter:function(){var e,t,o=this._lastTarget.ancestor("tr"),a=this._lastTarget.ancestor("table").one("tbody");(e=(e=(a=a||this._lastTarget.ancestor("table")).one("tr"))||this._lastTarget.ancestor("table").one("tr"))&&((t=e.cloneNode(!0)).all("th, td").each(function(e){if("TH"===e.get("tagName")&&"row"!==e.getAttribute("scope")){var t=O.Node.create("<td></td>");e.replace(t),e=t}e.setHTML("&nbsp;")}),o.ancestor("thead")?(o=e,a.insert(t,o)):o.insert(t,"after"),this.markUpdated())},_addColumnAfter:function(){var e=this._findColumnCells(),o=!0,t=e.next;e.next.size()<=0&&(o=!1,t=e.current),O.each(t,function(e){var t=e.cloneNode();t.setHTML("&nbsp;"),o?e.get("parentNode").insert(t,e):(e.get("parentNode").insert(t,e),e.swap(t))},this),this.markUpdated()}},{ATTRS:{allowBorders:{value:!0},borderStyles:{value:["none","solid","dashed","dotted"]},allowBackgroundColour:{value:!0},allowWidth:{value:!0},allowStyling:{readOnly:!0,getter:function(){return this.get("allowBorders")||this.get("allowBackgroundColour")||this.get("allowWidth")}},availableColors:{value:["#FFFFFF","#EF4540","#FFCF35","#98CA3E","#7D9FD3","#333333"],readOnly:!0}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","moodle-editor_atto-menu","event","event-valuechange"]});
\ No newline at end of file
+),o=this.get("allowBorders");return this._content=v.Node.create(t({CSS:r,elementid:this.get("host").get("elementid"),component:m,edit:e,nonedit:!e,allowStyling:this.get("allowStyling"),allowBorders:o,borderStyles:this.get("borderStyles"),allowBackgroundColour:this.get("allowBackgroundColour"),availableColours:this.get("availableColors"),allowWidth:this.get("allowWidth")})),e?this._content.one(".submit").on("click",this._updateTable,this):this._content.one(".submit").on("click",this._setTable,this),o&&this._content.one('[name="borders"]').on("change",this._updateAvailableSettings,this),this._content},_updateAvailableSettings:function(){var e=this._content,t=e.one('[name="borders"]'),o=e.one('[name="borderstyles"]'),a=e.one('[name="bordersize"]'),e=e.all('[name="borderColour"]'),n="removeAttribute";t&&("default"===t.get("value")&&(n="setAttribute"),o&&o[n]("disabled"),a&&a[n]("disabled"),e&&e[n]("disabled"))},_getSuitableTableCell:function(){var e,o=null,t=this.get("host"),a=v.bind(this._stopAtContentEditableFilter,this);return t.getSelectedNodes().some(function(e){var t;if(e.ancestor("td, th, caption",!0,a))return(e=(o=e).ancestor("caption",!0,a))&&(t=e.get("parentNode"))&&(o=t.one("td, th")),!0}),o&&(e=t.getSelectionFromNode(o),t.setSelection(e)),o},_changeNodeType:function(e,t){var o=v.Node.create("<"+t+"></"+t+">");return o.setAttrs(e.getAttrs()),e.get("childNodes").each(function(e){o.append(e.remove())}),e.replace(o),o},_updateTable:function(e){var t,o,a,n,l,r,i,s,d;e.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),t=e.currentTarget.ancestor(O.FORM).one(O.CAPTION),o=e.currentTarget.ancestor(O.FORM).one(O.CAPTIONPOSITION),a=e.currentTarget.ancestor(O.FORM).one(O.HEADERS),d=e.currentTarget.ancestor(O.FORM).one(O.BORDERS),n=e.currentTarget.ancestor(O.FORM).one(O.BORDERSIZE),r=e.currentTarget.ancestor(O.FORM).one(O.SELECTEDBORDERCOLOUR),l=e.currentTarget.ancestor(O.FORM).one(O.BORDERSTYLE),i=e.currentTarget.ancestor(O.FORM).one(O.SELECTEDBACKGROUNDCOLOUR),e=e.currentTarget.ancestor(O.FORM).one(O.WIDTH),s=this._lastTarget.ancestor("table"),this._setAppearance(s,{width:e,borders:d,borderColour:r,borderSize:n,borderStyle:l,backgroundColour:i}),(e=s.one("caption"))||(e=v.Node.create("<caption></caption>"),s.insert(e,0)),e.setHTML(t.get("value")),e.setStyle("caption-side",o.get("value")),e.getAttribute("style")||e.removeAttribute("style"),"rows"!==a.get("value")&&"both"!==a.get("value")||s.all("tr").each(function(e){var e=e.all("th, td"),t=e.shift();("TD"===t.get("tagName")?this._changeNodeType(t,"th"):t).setAttribute("scope","row"),e.each(function(e){"TH"===e.get("tagName")&&this._changeNodeType(e,"td").removeAttribute("scope")},this)},this),"columns"!==a.get("value")&&"both"!==a.get("value")||((d=s.all("tr")).shift().all("td, th").each(function(e){("TD"===e.get("tagName")?this._changeNodeType(e,"th"):e).setAttribute("scope","col")},this),d.each(function(e){e=e.all("th, td");"both"===a.get("value")&&e.shift(),e.each(function(e){"TH"===e.get("tagName")&&this._changeNodeType(e,"td").removeAttribute("scope")},this)},this)),this.markUpdated()},_setTable:function(e){var t,c,u,g,h,b,o,a,n,m,l,r,i,_,s,d;if(e.preventDefault(),this.getDialogue({focusAfterHide:null}).hide(),t=e.currentTarget.ancestor(O.FORM).one(O.CAPTION),d=e.currentTarget.ancestor(O.FORM).one(O.CAPTIONPOSITION),c=e.currentTarget.ancestor(O.FORM).one(O.BORDERS),u=e.currentTarget.ancestor(O.FORM).one(O.BORDERSIZE),h=e.currentTarget.ancestor(O.FORM).one(O.SELECTEDBORDERCOLOUR),g=e.currentTarget.ancestor(O.FORM).one(O.BORDERSTYLE),m=e.currentTarget.ancestor(O.FORM).one(O.SELECTEDBACKGROUNDCOLOUR),b=e.currentTarget.ancestor(O.FORM).one(O.ROWS),o=e.currentTarget.ancestor(O.FORM).one(O.COLUMNS),a=e.currentTarget.ancestor(O.FORM).one(O.HEADERS),e=e.currentTarget.ancestor(O.FORM).one(O.WIDTH),this.get("host").setSelection(this._currentSelection),i="\n",n='<br/>\n<table id="'+(_=v.guid())+'">'+i,s="",n+="<caption"+(s=d.get("value")?' style="caption-side: '+d.get("value")+'"':s)+">"+v.Escape.html(t.get("value"))+"</caption>"+i,l=0,"columns"===a.get("value")||"both"===a.get("value")){for(l=1,n+="<thead>\n<tr>\n",r=0;r<parseInt(o.get("value"),10);r++)n+='<th scope="col"></th>\n';n+="</tr>\n</thead>\n"}for(n+="<tbody>\n";l<parseInt(b.get("value"),10);l++){for(n+="<tr>\n",r=0;r<parseInt(o.get("value"),10);r++)0!==r||"rows"!==a.get("value")&&"both"!==a.get("value")?n+="<td ></td>\n":n+='<th scope="row"></th>\n';n+="</tr>\n"}n+="</tbody>\n</table>\n<br/>",this.get("host").insertContentAtFocusPoint(n),d=v.one("#"+_),this._setAppearance(d,{width:e,borders:c,borderColour:h,borderSize:u,borderStyle:g,backgroundColour:m}),d.removeAttribute("id"),this.markUpdated()},_findColumnCells:function(){var a=this._getColumnIndex(this._lastTarget),e=this._lastTarget.ancestor("table").all("tr"),n=new v.NodeList,l=new v.NodeList,r=new v.NodeList;return e.each(function(e){var e=e.all("td, th"),t=e.item(a),o=e.item(a-1),e=e.item(a+1);n.push(t),o&&l.push(o),e&&r.push(e)}),{current:n,prev:l,next:r}},_hideInvalidEntries:function(e){var t=this._lastTarget.ancestor("table"),o=this._lastTarget.ancestor("tr"),t=t.all("tr"),a=t.indexOf(o),n=t.item(a-1),n=n?n.one("td"):null;o&&n?e.one('[data-change="moverowup"]').show():e.one('[data-change="moverowup"]').hide(),n=t.item(a+1),a=!!o&&o.one("td"),o&&n&&a?e.one('[data-change="moverowdown"]').show():e.one('[data-change="moverowdown"]').hide(),0<(t=this._findColumnCells()).prev.filter("td").size()?e.one('[data-change="movecolumnleft"]').show():e.one('[data-change="movecolumnleft"]').hide(),n=0<t.current.filter("td").size(),0<t.next.size()&&n?e.one('[data-change="movecolumnright"]').show():e.one('[data-change="movecolumnright"]').hide(),0<t.current.filter("td").size()?e.one('[data-change="deletecolumn"]').show():e.one('[data-change="deletecolumn"]').hide(),o&&o.one("td")?e.one('[data-change="deleterow"]').show():e.one('[data-change="deleterow"]').hide()},_showTableMenu:function(e){var t;e.preventDefault(),
+this._contextMenu||(this._menuOptions=[{text:M.util.get_string("addcolumnafter",m),data:{change:"addcolumnafter"}},{text:M.util.get_string("addrowafter",m),data:{change:"addrowafter"}},{text:M.util.get_string("moverowup",m),data:{change:"moverowup"}},{text:M.util.get_string("moverowdown",m),data:{change:"moverowdown"}},{text:M.util.get_string("movecolumnleft",m),data:{change:"movecolumnleft"}},{text:M.util.get_string("movecolumnright",m),data:{change:"movecolumnright"}},{text:M.util.get_string("deleterow",m),data:{change:"deleterow"}},{text:M.util.get_string("deletecolumn",m),data:{change:"deletecolumn"}},{text:M.util.get_string("edittable",m),data:{change:"edittable"}}],this._contextMenu=new v.M.editor_atto.Menu({items:this._menuOptions}),(t=this._contextMenu.get("boundingBox")).delegate("click",this._handleTableChange,"a",this)),t=this._contextMenu.get("boundingBox"),this._lastTarget=e.tableCell.ancestor(".editor_atto_content td, .editor_atto_content th",!0),this._hideInvalidEntries(t),v.Array.each(this.get("host").openMenus,function(e){e.set("focusAfterHide",null)}),e=this.buttons[this.name],this.get("host")._setTabFocus(e),this._contextMenu.show(),this._contextMenu.align(this.buttons.table,[v.WidgetPositionAlign.TL,v.WidgetPositionAlign.BL]),this._contextMenu.set("focusAfterHide",e),t.one("a")&&t.one("a").focus(),this.get("host").openMenus=[this._contextMenu]},_handleTableChange:function(e){switch(e.preventDefault(),this._contextMenu.set("focusAfterHide",this.get("host").editor),this._contextMenu.hide(e),e.target.getData("change")){case"addcolumnafter":this._addColumnAfter();break;case"addrowafter":this._addRowAfter();break;case"deleterow":this._deleteRow();break;case"deletecolumn":this._deleteColumn();break;case"edittable":this._editTable();break;case"moverowdown":this._moveRowDown();break;case"moverowup":this._moveRowUp();break;case"movecolumnleft":this._moveColumnLeft();break;case"movecolumnright":this._moveColumnRight()}},_getRowIndex:function(e){var t=e.ancestor("table"),e=e.ancestor("tr");if(t&&e)return t.all("tr").indexOf(e)},_getColumnIndex:function(e){var t=e.ancestor("tr");if(t)return t.all("td, th").indexOf(e)},_deleteRow:function(){var e=this._lastTarget.ancestor("tr");e&&e.one("td")&&e.remove(!0),this.markUpdated()},_moveRowUp:function(){var e=this._lastTarget.ancestor("tr"),t=e.previous("tr");e&&t&&(e.swap(t),this.markUpdated())},_moveColumnLeft:function(){var e,t,o,a=this._findColumnCells();if(0<a.current.size()&&0<a.prev.size()&&a.current.size()===a.prev.size())for(e=e=0;e<a.current.size();e++)t=a.current.item(e),o=a.prev.item(e),t.swap(o);this.markUpdated()},_addCaption:function(){var e=this._lastTarget.ancestor("table");e.one("caption")||e.insert(v.Node.create("<caption>&nbsp;</caption>"),1)},_removeCaption:function(){var e=this._lastTarget.ancestor("table").one("caption");e&&e.remove(!0)},_moveColumnRight:function(){var e,t,o,a=this._findColumnCells();if(0<a.next.size()&&a.current.size()===a.next.size()&&0<a.current.filter("td").size())for(e=e=0;e<a.current.size();e++)t=a.current.item(e),o=a.next.item(e),t.swap(o);this.markUpdated()},_moveRowDown:function(){var e=this._lastTarget.ancestor("tr"),t=e.next("tr");e&&t&&e.one("td")&&(e.swap(t),this.markUpdated())},_getBorderConfiguration:function(e){var e=e.cloneNode(!0),t=e.getStyle("borderStyle"),o=e.getStyle("borderColor"),e=e.getStyle("borderWidth");return!!(t||o||e)&&(o=v.Color.toHex(o),e=parseInt(e,10),{borderStyle:t,borderColor:"#"===o?null:o,borderWidth:isNaN(e)?null:e})},_setAppearance:function(e,t){var o,a,n,l;t.borderColour&&(o=t.borderColour.get("value")),t.borderSize&&(a=t.borderSize.get("value")),t.borderStyle&&(n=t.borderStyle.get("value")),t.backgroundColour&&(l=t.backgroundColour.get("value")),e.removeAttribute("style"),e.all("td, th").each(function(e){e.removeAttribute("style")},this),t.borders&&("outer"===t.borders.get("value")?(e.setStyle("borderWidth",a+r.BORDERSIZEUNIT),e.setStyle("borderStyle",n),"none"!==o&&e.setStyle("borderColor",o)):"all"===t.borders.get("value")&&e.all("td, th").each(function(e){e.setStyle("borderWidth",a+r.BORDERSIZEUNIT),e.setStyle("borderStyle",n),"none"!==o&&e.setStyle("borderColor",o)},this)),"none"!==l&&e.setStyle("backgroundColor",l),t.width&&t.width.get("value")&&e.setStyle("width",t.width.get("value")+r.WIDTHUNIT)},_editTable:function(){var e,t,o=this.getDialogue({headerContent:M.util.get_string("edittable",m),focusAfterHide:!1,focusOnShowSelector:O.CAPTION,width:f}),a=this._getDialogueContent(!0),n=a.one(O.CAPTION),l=a.one(O.CAPTIONPOSITION),c=a.one(O.HEADERS),u=a.one(O.BORDERS),g=a.one(O.BORDERSTYLE),h=a.all(O.BORDERCOLOURS),b=a.one(O.BORDERSIZE),r=a.all(O.BACKGROUNDCOLOURS),i=a.one(O.WIDTH),s=this._lastTarget.ancestor("table"),d=s.one("caption");d?n.set("value",d.getHTML()):n.set("value",""),i&&-1===s.getStyle("width").indexOf("px")&&i.set("value",parseInt(s.getStyle("width"),10)),l&&d&&d.getAttribute("style")?l.set("value",d.getStyle("caption-side")):l.set("value",""),s.getStyle("backgroundColor")&&this.get("allowBackgroundColour")&&(e=v.Color.toHex(s.getStyle("backgroundColor")),(t=r.filter('[value="'+e+'"]'))&&t.set("checked",!0)),this.get("allowBorders")&&(n="default",(i=this._getBorderConfiguration(s))?n="outer":(i=this._getBorderConfiguration(s.one("td")))&&(n="all"),i&&(d=i.borderStyle||_,l=i.borderWidth||p,g.set("value",d),b.set("value",l),u.set("value",n),e=i.borderColor,(t=h.filter('[value="'+e+'"]'))&&t.set("checked",!0))),r="columns",s.one('th[scope="row"]')&&(r="rows",s.one('th[scope="col"]')&&(r="both")),c.set("value",r),o.set("bodyContent",a).show(),this._updateAvailableSettings()},_deleteColumn:function(){var t=this._getColumnIndex(this._lastTarget),e=this._lastTarget.ancestor("table").all("tr"),o=new v.NodeList,a=!1;e.each(function(e){e=e.all("td, th"),e=e.item(t);"TD"===e.get("tagName")&&(a=!0),o.push(e)}),a&&o.remove(!0),this.markUpdated()},_addRowAfter:function(){var e,t=this._lastTarget.ancestor("tr"),o=this._lastTarget.ancestor("table").one(
+"tbody"),o=o||this._lastTarget.ancestor("table"),a=o.one("tr"),a=a||this._lastTarget.ancestor("table").one("tr");a&&((e=a.cloneNode(!0)).all("th, td").each(function(e){var t;"TH"===e.get("tagName")&&"row"!==e.getAttribute("scope")&&(t=v.Node.create("<td></td>"),e.replace(t),e=t),e.setHTML("&nbsp;")}),t.ancestor("thead")?(t=a,o.insert(e,t)):t.insert(e,"after"),this.markUpdated())},_addColumnAfter:function(){var e=this._findColumnCells(),o=!0,t=e.next;e.next.size()<=0&&(o=!1,t=e.current),v.each(t,function(e){var t=e.cloneNode();t.setHTML("&nbsp;"),o?e.get("parentNode").insert(t,e):(e.get("parentNode").insert(t,e),e.swap(t))},this),this.markUpdated()}},{ATTRS:{allowBorders:{value:!0},borderStyles:{value:["none","solid","dashed","dotted"]},allowBackgroundColour:{value:!0},allowWidth:{value:!0},allowStyling:{readOnly:!0,getter:function(){return this.get("allowBorders")||this.get("allowBackgroundColour")||this.get("allowWidth")}},availableColors:{value:["#FFFFFF","#EF4540","#FFCF35","#98CA3E","#7D9FD3","#333333"],readOnly:!0}}})},"@VERSION@",{requires:["moodle-editor_atto-plugin","moodle-editor_atto-menu","event","event-valuechange"]});
\ No newline at end of file
diff --git a/lib/editor/atto/plugins/undo/yui/build/moodle-atto_undo-button/moodle-atto_undo-button-min.js b/lib/editor/atto/plugins/undo/yui/build/moodle-atto_undo-button/moodle-atto_undo-button-min.js
index 703182100eb..b78787e0582 100644
--- a/lib/editor/atto/plugins/undo/yui/build/moodle-atto_undo-button/moodle-atto_undo-button-min.js
+++ b/lib/editor/atto/plugins/undo/yui/build/moodle-atto_undo-button/moodle-atto_undo-button-min.js
@@ -1 +1 @@
-YUI.add("moodle-atto_undo-button",function(t,e){t.namespace("M.atto_undo").Button=t.Base.create("button",t.M.editor_atto.EditorPlugin,[],{_maxUndos:40,_undoStack:null,_redoStack:null,initializer:function(){this._undoStack=[],this._redoStack=[],this.addButton({title:"undo",icon:"e/undo",callback:this._undoHandler,buttonName:"undo",keys:90}),this.addButton({title:"redo",icon:"e/redo",callback:this._redoHandler,buttonName:"redo",keys:89}),this.get("host").on("pluginsloaded",function(){this._addToUndo(this._getHTML()),this.get("host").on("atto:selectionchanged",this._changeListener,this)},this),this._updateButtonsStates()},_addToRedo:function(t){this._redoStack.push(t)},_addToUndo:function(t,e){for(void 0===e&&(e=!1),this._undoStack[this._undoStack.length-1]!==t&&(this._undoStack.push(t),e&&(this._redoStack=[]));this._undoStack.length>this._maxUndos;)this._undoStack.shift()},_getHTML:function(){return this.get("host").getCleanHTML()},_getRedo:function(){return this._redoStack.pop()},_getUndo:function(t){if(1===this._undoStack.length)return this._undoStack[0];var e=this._undoStack.pop();return e===t&&(e=this._undoStack.pop()),0===this._undoStack.length&&this._addToUndo(e),e},_restoreValue:function(t){this.editor.setHTML(t),this._addToUndo(t)},_updateButtonsStates:function(){1<this._undoStack.length?this.enableButtons("undo"):this.disableButtons("undo"),0<this._redoStack.length?this.enableButtons("redo"):this.disableButtons("redo")},_undoHandler:function(t){t.preventDefault();var e=this._getHTML(),o=this._getUndo(e);e!==o&&(this._restoreValue(o),this._addToRedo(e)),this._updateButtonsStates()},_redoHandler:function(t){if(t.preventDefault(),0!==this._redoStack.length){var e=this._getHTML(),o=this._getRedo();e!==o&&this._restoreValue(o),this._updateButtonsStates()}},_changeListener:function(t){t.event&&-1!==t.event.type.indexOf("key")&&39!==t.event.keyCode&&37!==t.event.keyCode&&40!==t.event.keyCode&&38!==t.event.keyCode||(this._addToUndo(this._getHTML(),!0),this._updateButtonsStates())}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
+YUI.add("moodle-atto_undo-button",function(t,e){t.namespace("M.atto_undo").Button=t.Base.create("button",t.M.editor_atto.EditorPlugin,[],{_maxUndos:40,_undoStack:null,_redoStack:null,initializer:function(){this._undoStack=[],this._redoStack=[],this.addButton({title:"undo",icon:"e/undo",callback:this._undoHandler,buttonName:"undo",keys:90}),this.addButton({title:"redo",icon:"e/redo",callback:this._redoHandler,buttonName:"redo",keys:89}),this.get("host").on("pluginsloaded",function(){this._addToUndo(this._getHTML()),this.get("host").on("atto:selectionchanged",this._changeListener,this)},this),this._updateButtonsStates()},_addToRedo:function(t){this._redoStack.push(t)},_addToUndo:function(t,e){for(void 0===e&&(e=!1),this._undoStack[this._undoStack.length-1]!==t&&(this._undoStack.push(t),e&&(this._redoStack=[]));this._undoStack.length>this._maxUndos;)this._undoStack.shift()},_getHTML:function(){return this.get("host").getCleanHTML()},_getRedo:function(){return this._redoStack.pop()},_getUndo:function(t){if(1===this._undoStack.length)return this._undoStack[0];var e=this._undoStack.pop();return e===t&&(e=this._undoStack.pop()),0===this._undoStack.length&&this._addToUndo(e),e},_restoreValue:function(t){this.editor.setHTML(t),this._addToUndo(t)},_updateButtonsStates:function(){1<this._undoStack.length?this.enableButtons("undo"):this.disableButtons("undo"),0<this._redoStack.length?this.enableButtons("redo"):this.disableButtons("redo")},_undoHandler:function(t){t.preventDefault();var t=this._getHTML(),e=this._getUndo(t);t!==e&&(this._restoreValue(e),this._addToRedo(t)),this._updateButtonsStates()},_redoHandler:function(t){t.preventDefault(),0!==this._redoStack.length&&(this._getHTML()!==(t=this._getRedo())&&this._restoreValue(t),this._updateButtonsStates())},_changeListener:function(t){t.event&&-1!==t.event.type.indexOf("key")&&39!==t.event.keyCode&&37!==t.event.keyCode&&40!==t.event.keyCode&&38!==t.event.keyCode||(this._addToUndo(this._getHTML(),!0),this._updateButtonsStates())}})},"@VERSION@",{requires:["moodle-editor_atto-plugin"]});
\ No newline at end of file
diff --git a/lib/editor/atto/yui/build/moodle-editor_atto-editor/moodle-editor_atto-editor-min.js b/lib/editor/atto/yui/build/moodle-editor_atto-editor/moodle-editor_atto-editor-min.js
index 4dd78d5c6e4..d34003fd5d0 100644
--- a/lib/editor/atto/yui/build/moodle-editor_atto-editor/moodle-editor_atto-editor-min.js
+++ b/lib/editor/atto/yui/build/moodle-editor_atto-editor/moodle-editor_atto-editor-min.js
@@ -1,5 +1,5 @@
-YUI.add("moodle-editor_atto-editor",function(u,t){var o,r,n,l,s,a={CONTENT:"editor_atto_content",CONTENTWRAPPER:"editor_atto_content_wrap",TOOLBAR:"editor_atto_toolbar",WRAPPER:"editor_atto",HIGHLIGHT:"highlight"},c=window.rangy;function e(){e.superclass.constructor.apply(this,arguments)}function i(){}function h(){}function d(){}function g(){g.superclass.constructor.apply(this,arguments),this._submitEvents={},this._queue=[],this._throttle=null}function p(){}function f(){}function m(){}function v(){}function b(){}function _(){}function y(){}function S(){}u.extend(e,u.Base,{BLOCK_TAGS:["address","article","aside","audio","blockquote","canvas","dd","div","dl","fieldset","figcaption","figure","footer","form","h1","h2","h3","h4","h5","h6","header","hgroup","hr","noscript","ol","output","p","pre","section","table","tfoot","ul","video"],PLACEHOLDER_CLASS:"atto-tmp-class",ALL_NODES_SELECTOR:"[style],font[face]",FONT_FAMILY:"fontFamily",_wrapper:null,editor:null,textarea:null,textareaLabel:null,plugins:null,coreDirection:null,_eventHandles:null,initializer:function(){var t,e,i;this.textarea=u.one(document.getElementById(this.get("elementid"))),this.textarea&&(e=this.textarea.getAttribute("class"),this._eventHandles=[],this._wrapper=u.Node.create('<div class="'+a.WRAPPER+'" />'),t=u.Handlebars.compile('<div id="{{elementid}}editable" contenteditable="true" role="textbox" spellcheck="true" aria-live="off" class="{{CSS.CONTENT}} '+e+'" />'),this.editor=u.Node.create(t({elementid:this.get("elementid"),CSS:a})),this.textareaLabel=u.one('[for="'+this.get("elementid")+'"]'),this.textareaLabel&&(this.textareaLabel.generateID(),this.editor.setAttribute("aria-labelledby",this.textareaLabel.get("id"))),this.coreDirection=u.one("body").hasClass("dir-rtl")?"rtl":"ltr",this.setupToolbar(),(i=u.Node.create('<div class="'+a.CONTENTWRAPPER+'" />')).appendChild(this.editor),this._wrapper.appendChild(i),this.editor.setStyle("minHeight",20*this.textarea.getAttribute("rows")+8+"px"),0===u.UA.ie&&this.editor.setStyle("height",20*this.textarea.getAttribute("rows")+8+"px"),this.disableCssStyling(),document.queryCommandSupported("DefaultParagraphSeparator")&&document.execCommand("DefaultParagraphSeparator",!1,"p"),this.textarea.get("parentNode").insert(this._wrapper,this.textarea).setAttribute("class","editor_atto_wrap"),this.textarea.hide(),u.mix(u.Node.DOM_EVENTS,{"form:editorUpdated":!0}),this.textarea.on("form:editorUpdated",function(){this.updateEditorState()},this),this.updateFromTextArea(),this.publishEvents(),this.setupSelectionWatchers(),this.setupAutomaticPolling(),this.setupPlugins(),this.setupAutosave(),this.setupNotifications())},focus:function(){return this.editor.focus(),this},publishEvents:function(){return this.publish("change",{broadcast:!0,preventable:!0}),this.publish("pluginsloaded",{fireOnce:!0}),this.publish("atto:selectionchanged",{prefix:"atto"}),this},setupAutomaticPolling:function(){return this._registerEventHandle(this.editor.on(["keyup","cut"],this.updateOriginal,this)),this._registerEventHandle(this.editor.on("paste",this.pasteCleanup,this)),this._registerEventHandle(this.editor.on("drop",this.updateOriginalDelayed,this)),this},updateOriginalDelayed:function(){return u.soon(u.bind(this.updateOriginal,this)),this},setupPlugins:function(){var t,e,i,n,s,a;for(e in this.plugins={},t=this.get("plugins"))if((i=t[e]).plugins)for(n in i.plugins)s=i.plugins[n],a=u.mix({name:s.name,group:i.group,editor:this.editor,toolbar:this.toolbar,host:this},s),"undefined"!=typeof u.M["atto_"+s.name]&&(this.plugins[s.name]=new u.M["atto_"+s.name].Button(a));return this.fire("pluginsloaded"),this},enablePlugins:function(t){this._setPluginState(!0,t)},disablePlugins:function(t){this._setPluginState(!1,t)},_setPluginState:function(t,e){var i="disableButtons";t&&(i="enableButtons"),e?this.plugins[e][i]():u.Object.each(this.plugins,function(t){t[i]()},this)},updateEditorState:function(){var t=this.textarea.hasAttribute("readonly"),e=u.one("#"+this.get("elementid")+"editable");this._setPluginState(!t),e&&e.setAttribute("contenteditable",!t)},_registerEventHandle:function(t){this._eventHandles.push(t)}},{NS:"editor_atto",ATTRS:{elementid:{value:null,writeOnce:!0},contextid:{value:null,writeOnce:!0},plugins:{value:{},writeOnce:!0}}}),u.augment(e,u.EventTarget),u.namespace("M.editor_atto").Editor=e,u.namespace("M.editor_atto.Editor").init=function(t){return new u.M.editor_atto.Editor(t)},o="info",r="warning",i.ATTRS={},i.prototype={messageOverlay:null,hideTimer:null,setupNotifications:function(){var t=new Image,e=new Image;return t.src=M.util.image_url("i/warning","moodle"),e.src=M.util.image_url("i/info","moodle"),this},showMessage:function(t,e,i){var n,s,a="";return null===this.messageOverlay&&(this.messageOverlay=u.Node.create('<div class="editor_atto_notification"></div>'),this.messageOverlay.hide(!0),this.textarea.get("parentNode").append(this.messageOverlay),this.messageOverlay.on("click",function(){this.messageOverlay.hide(!0)},this)),null!==this.hideTimer&&this.hideTimer.cancel(),e===r?a='<img src="'+M.util.image_url("i/warning","moodle")+'" alt="'+M.util.get_string("warning","moodle")+'"/>':e===o&&(a='<img src="'+M.util.image_url("i/info","moodle")+'" alt="'+M.util.get_string("info","moodle")+'"/>'),(n=parseInt(i,10))<=0&&(n=6e4),e="atto_"+e,s=u.Node.create('<div class="'+e+'" role="alert" aria-live="assertive">'+a+" "+u.Escape.html(t)+"</div>"),this.messageOverlay.empty(),this.messageOverlay.append(s),this.messageOverlay.show(!0),this.hideTimer=u.later(n,this,function(){this.hideTimer=null,this.messageOverlay.inDoc()&&this.messageOverlay.hide(!0)}),this}},u.Base.mix(u.M.editor_atto.Editor,[i]),h.ATTRS={},h.prototype={_getEmptyContent:function(){var t;return t="rtl"===this.coreDirection?'style="text-align: right;"':'style="text-align: left;"',u.UA.ie&&u.UA.ie<10?'<p dir="'+this.coreDirection+'" '+t+"></p>":'<p dir="'+this.coreDirection+'" '+t+"><br></p>"},updateFromTextArea:function(){return this.editor.setHTML(""
-),this.editor.append(this._cleanHTML(this.textarea.get("value"),!0)),""===this.editor.getHTML()&&this.editor.setHTML(this._getEmptyContent()),this},updateOriginal:function(){var t=this.textarea.get("value"),e=this.getCleanHTML();return""===e&&this.isActive()&&(e=this._getEmptyContent()),t!==e&&(this.textarea.set("value",e),this.textarea.simulate("change"),this.fire("change")),this}},u.Base.mix(u.M.editor_atto.Editor,[h]),n=5e3,l=6e4,d.ATTRS={autosaveEnabled:{value:!0,writeOnce:!0},autosaveFrequency:{value:60,writeOnce:!0},pageHash:{value:"",writeOnce:!0}},d.prototype={lastText:"",autosaveInstance:null,autosaveTimer:null,setupAutosave:function(){var t,e,i,n=-1,s=null,a=this.get("filepickeroptions");if(this.get("autosaveEnabled")){for(s in this.autosaveInstance=u.stamp(this),a)"undefined"!=typeof a[s].itemid&&(n=a[s].itemid);return e={contextid:this.get("contextid"),action:"resume",draftid:n,elementid:this.get("elementid"),pageinstance:this.autosaveInstance,pagehash:this.get("pageHash")},this.autosaveIo(e,this,{success:function(t){if(null!==t&&t){["<p></p>","<p><br></p>","<br>",'<p dir="rtl" style="text-align: right;"></p>','<p dir="rtl" style="text-align: right;"><br></p>','<p dir="ltr" style="text-align: left;"></p>','<p dir="ltr" style="text-align: left;"><br></p>',"<p>&nbsp;</p>","<p><br>&nbsp;</p>",'<p dir="rtl" style="text-align: right;">&nbsp;</p>','<p dir="rtl" style="text-align: right;"><br>&nbsp;</p>','<p dir="ltr" style="text-align: left;">&nbsp;</p>','<p dir="ltr" style="text-align: left;"><br>&nbsp;</p>'].includes(t.result)&&(t.result=""),t.error||"undefined"==typeof t.result?this.showMessage(M.util.get_string("errortextrecovery","editor_atto"),r,l):t.result!==this.textarea.get("value")&&""!==t.result&&this.recoverText(t.result),this._fireSelectionChanged()}},failure:function(){this.showMessage(M.util.get_string("errortextrecovery","editor_atto"),r,l)}}),i=1e3*parseInt(this.get("autosaveFrequency"),10),this.autosaveTimer=u.later(i,this,this.saveDraft,!1,!0),(t=this.textarea.ancestor("form"))&&this.autosaveIoOnSubmit(t,{action:"reset",contextid:this.get("contextid"),elementid:this.get("elementid"),pageinstance:this.autosaveInstance,pagehash:this.get("pageHash")}),this}},recoverText:function(t){return this.editor.setHTML(t),this.saveSelection(),this.updateOriginal(),this.lastText=t,this.showMessage(M.util.get_string("textrecovered","editor_atto"),o,l),require(["core/event"],function(t){t.notifyEditorContentRestored()}),this},saveDraft:function(){var t,e,i;if(this.editor.getDOMNode())return this.editor.get("hidden")||this.updateOriginal(),(e=this.textarea.get("value"))!==this.lastText&&(M.cfg.wwwroot,this.get("autosaveAjaxScript"),t={sesskey:M.cfg.sesskey,contextid:this.get("contextid"),action:"save",drafttext:e,elementid:this.get("elementid"),pagehash:this.get("pageHash"),pageinstance:this.autosaveInstance},i=function(t){var e=1e3*parseInt(this.get("autosaveFrequency"),10);this.showMessage(M.util.get_string("autosavefailed","editor_atto"),r,e)},this.autosaveIo(t,this,{failure:i,success:function(t){t&&t.error?u.soon(u.bind(i,this,[t])):(this.lastText=e,this.showMessage(M.util.get_string("autosavesucceeded","editor_atto"),o,n))}})),this;this.autosaveTimer.cancel()}},u.Base.mix(u.M.editor_atto.Editor,[d]),s=null,g.NAME="EditorAutosaveIoDispatcher",g.ATTRS={autosaveAjaxScript:{value:"/lib/editor/atto/autosave-ajax.php",readOnly:!0},delay:{value:50,readOnly:!0}},u.extend(g,u.Base,{dispatch:function(t,e,i){this._throttle&&this._throttle.cancel(),this._throttle=u.later(this.get("delay"),this,this._processDispatchQueue),this._queue.push([t,e,i])},_processDispatchQueue:function(){var t=this._queue,i={};this._queue=[],t.length<1||(u.Array.each(t,function(t,e){i[e]=t[0]}),u.io(M.cfg.wwwroot+this.get("autosaveAjaxScript"),{method:"POST",data:u.QueryString.stringify({actions:i,sesskey:M.cfg.sesskey}),on:{start:this._makeIoEventCallback("start",t),complete:this._makeIoEventCallback("complete",t),failure:this._makeIoEventCallback("failure",t),end:this._makeIoEventCallback("end",t),success:this._makeIoEventCallback("success",t)}}))},_makeIoEventCallback:function(o,e){var r=function(){};return function(){var t=arguments[1],a={};"complete"!=o&&"success"!=o||void 0===t||"undefined"==typeof t.responseText||""===t.responseText||(a=JSON.parse(t.responseText)||{}),u.Array.each(e,function(t,e){var i,n=t[1],s=t[2]&&t[2][o]||r;a&&a.error?i=a:a&&(i=a[e]),s.apply(n,[i])})}},_onSubmit:function(t){var i={},e=t.currentTarget.generateID(),n=this._submitEvents[e];!n||n.ios.length<1||(u.Array.each(n.ios,function(t,e){i[e]=t}),u.io(M.cfg.wwwroot+this.get("autosaveAjaxScript"),{method:"POST",data:u.QueryString.stringify({actions:i,sesskey:M.cfg.sesskey}),sync:!0}))},whenSubmit:function(t,e){"undefined"==typeof this._submitEvents[t.generateID()]&&(this._submitEvents[t.generateID()]={event:t.on("submit",this._onSubmit,this),ajaxEvent:t.on(M.core.event.FORM_SUBMIT_AJAX,this._onSubmit,this),ios:[]}),this._submitEvents[t.get("id")].ios.push([e])}}),s=new g,p.prototype={autosaveIo:function(t,e,i){s.dispatch(t,e,i)},autosaveIoOnSubmit:function(t,e){s.whenSubmit(t,e)}},u.Base.mix(u.M.editor_atto.Editor,[p]),f.ATTRS={},f.prototype={getCleanHTML:function(){var t,e=this.editor.cloneNode(!0);return u.each(e.all('[id^="yui"]'),function(t){t.removeAttribute("id")}),e.all(".atto_control").remove(!0),t=e.get("innerHTML"),["<p></p>","<p><br></p>","<br>",'<p dir="rtl" style="text-align: right;"></p>','<p dir="rtl" style="text-align: right;"><br></p>','<p dir="ltr" style="text-align: left;"></p>','<p dir="ltr" style="text-align: left;"><br></p>',"<p>&nbsp;</p>","<p><br>&nbsp;</p>",'<p dir="rtl" style="text-align: right;">&nbsp;</p>','<p dir="rtl" style="text-align: right;"><br>&nbsp;</p>','<p dir="ltr" style="text-align: left;">&nbsp;</p>','<p dir="ltr" style="text-align: left;"><br>&nbsp;</p>'].includes(t)?"":this._cleanHTML(t)},cleanEditorHTML:function(){var t=this.editor.get("innerHTML");return this.editor.set("innerHTML",
-this._cleanHTML(t)),this},_cleanHTML:function(t,e){return t=this._filterContentWithRules(t,[{regex:/<style[^>]*>[\s\S]*?<\/style>/gi,replace:""},{regex:/<!--(?![\s\S]*?-->)/gi,replace:""},{regex:/<\/?(?:title|meta|style|st\d|head\b|font|html|body|link)[^>]*?>/gi,replace:""}]),e&&(t=this._cleanHTMLLists(t)),t},_filterContentWithRules:function(t,e){var i=0;for(i=0;i<e.length;i++)t=t.replace(e[i].regex,e[i].replace);return t},pasteCleanup:function(t){var e,i,n,s,a,o;if("paste"===t.type){if(e=this.postPasteCleanupDelayed(),!((i=t._event)&&i.clipboardData&&i.clipboardData.getData&&i.clipboardData.types))return this.fallbackPasteCleanupDelayed(),!0;if(s=!1,"function"==typeof(n=i.clipboardData.types).contains?s=n.contains("text/html"):"function"==typeof n.indexOf&&(s=-1<n.indexOf("text/html")),s){try{a=i.clipboardData.getData("text/html")}catch(r){return e.cancel(),this.fallbackPasteCleanupDelayed(),!0}return t.preventDefault(),a=this._cleanPasteHTML(a),o=window.rangy.saveSelection(),this.insertContentAtFocusPoint(a),window.rangy.restoreSelection(o),window.rangy.getSelection().collapseToEnd(),this.updateOriginal(),!1}try{a=i.clipboardData.getData("text")}catch(r){return e.cancel(),this.fallbackPasteCleanupDelayed(),!0}}return this.updateOriginalDelayed(),!0},postPasteCleanupDelayed:function(){return u.soon(u.bind(this.postPasteCleanup,this)),this},postPasteCleanup:function(){var t=window.rangy.saveSelection(),e=this.editor.get("innerHTML");return this.editor.set("innerHTML",this._cleanHTML(e,!0)),this.updateOriginal(),window.rangy.restoreSelection(t),this},fallbackPasteCleanup:function(){var t=window.rangy.saveSelection(),e=this.editor.get("innerHTML");return this.editor.set("innerHTML",this._cleanHTML(this._cleanPasteHTML(e),!0)),this.updateOriginal(),window.rangy.restoreSelection(t),this},fallbackPasteCleanupDelayed:function(){return u.soon(u.bind(this.fallbackPasteCleanup,this)),this},_cleanPasteHTML:function(t){var e,i;return t&&0!==t.length?(e=[{regex:/<\s*\/html\s*>([\s\S]+)$/gi,replace:""},{regex:/<!--\[if[\s\S]*?endif\]-->/gi,replace:""},{regex:/<!--(Start|End)Fragment-->/gi,replace:""},{regex:/<xml[^>]*>[\s\S]*?<\/xml>/gi,replace:""},{regex:/<\?xml[^>]*>[\s\S]*?<\\\?xml>/gi,replace:""},{regex:/<\/?\w+:[^>]*>/gi,replace:""}],t=this._filterContentWithRules(t,e),0!==(t=this._cleanHTML(t)).length&&t.match(/\S/)?((i=document.createElement("div")).innerHTML=t,t=i.innerHTML,e=[{regex:/(<[^>]*?class\s*?=\s*?")([^>"]*)(")/gi,replace:function(t,e,i,n){return e+(i=(i=i.replace(/(?:^|[\s])[\s]*MSO[_a-zA-Z0-9\-]*/gi,"")).replace(/(?:^|[\s])[\s]*Apple-[_a-zA-Z0-9\-]*/gi,""))+n}},{regex:/<a [^>]*?name\s*?=\s*?"OLE_LINK\d*?"[^>]*?>\s*?<\/a>/gi,replace:i.innerHTML=""}],t=this._cleanStyles(t),t=this._filterContentWithRules(t,e),t=this._cleanHTML(t),t=this._cleanSpans(t)):t):""},_cleanStyles:function(t){var e,i,n,s=document.createElement("div");for(s.innerHTML=t,e=s.querySelectorAll("[style]"),i=i=0;i<e.length;i++)e[i].removeAttribute("style");for(n=s.querySelectorAll("[class]"),i=0;i<n.length;i++)n[i].removeAttribute("class");return s.innerHTML},_cleanSpans:function(t){var e,i,n;return t&&0!==t.length?0!==t.length&&t.match(/\S/)?(e=[{regex:/(<[^>]*?)(?:[\s]*(?:class|style|id)\s*?=\s*?"\s*?")+/gi,replace:"$1"}],t=this._filterContentWithRules(t,e),(i=document.createElement("div")).innerHTML=t,n=i.getElementsByTagName("span"),Array.prototype.slice.call(n,0).forEach(function(t){if(!t.hasAttributes()){for(;t.firstChild;)t.parentNode.insertBefore(t.firstChild,t);t.parentNode.removeChild(t)}}),i.innerHTML):t:""},_cleanHTMLLists:function(t){for(var e,i="",n=t,s=null,a=[],o=null,r=null;s=n.match(/<(\/?)(li|ul|ol)[^>]*>/i);){if(o={tag:s[2],tagLowerCase:s[2].toLowerCase(),fullTag:s[0],isOpen:1!=s[1].length},r=a.length?a[a.length-1]:null,i+=n.slice(0,s.index),n=n.slice(s.index+s[0].length),o.isOpen){if("li"===o.tagLowerCase){if(!r){if(e=(n.match(/<\/(ol)[ >]/gi)||[]).length,(n.match(/<(ol)[ >]/gi)||[]).length<e){n="<ol>"+o.fullTag+n;continue}n="<ul>"+o.fullTag+n;continue}if("li"===r.tagLowerCase){n="</"+r.tag+">"+o.fullTag+n;continue}}a.push({tag:o.tag,tagLowerCase:o.tagLowerCase,position:i.length,length:o.fullTag.length})}else{if(0==a.length)continue;if(r.tagLowerCase===o.tagLowerCase)o.tag!=r.tag&&(o.fullTag=o.fullTag.replace(o.tag,r.tag)),a.pop(),r=a.length?a[a.length-1]:null;else if("li"===o.tagLowerCase&&r.liEnd&&r.liEnd<i.length)i=this._insertString(i,"<"+o.tag+">",r.liEnd);else{if("li"!==o.tagLowerCase||r.liEnd||!(r.position+r.length<i.length)){if("li"!==r.tagLowerCase)continue;n="</"+r.tag+">"+o.fullTag+n;continue}i=this._insertString(i,"<"+o.tag+">",r.position+r.length)}"li"===o.tagLowerCase&&r&&(r.liEnd=i.length+o.fullTag.length)}i+=o.fullTag}if(i+=n,a.length)for(;o=a.pop();)i=o.liEnd?this._insertString(i,"</"+o.tag+">",o.liEnd):i.slice(0,o.position)+i.slice(o.position+o.length);return i},_insertString:function(t,e,i){return t.slice(0,i)+e+t.slice(i)}},u.Base.mix(u.M.editor_atto.Editor,[f]),m.ATTRS={},m.prototype={applyFormat:function(t,e,i,n){var s,a;if(i=i||this,(s=window.rangy.getSelection()).isCollapsed)return a=this.editor.once("input",function o(t,e,i,n,s,a){u.soon(u.bind(function(t,e,i,n,s,a){var o=window.rangy.getSelection(),r=o.getRangeAt(0);r.setStart(s,a),o.setSingleRange(r),e.apply(i,[t,n]),o.collapseToEnd(),this.saveSelection(),this.updateOriginal()},this,t,e,i,n,s,a))},this,e,i,n,s.anchorNode,s.anchorOffset),void this.editor.onceAfter(["click","selectstart"],a.detach,a);e.apply(i,[t,n]),this.saveSelection(),this.updateOriginal()},replaceTags:function(t,e){var i,n,s,a;for(t.setAttribute("data-iterate",!0),i=this.editor.one('[data-iterate="true"]');i;){for(n=u.Node.create("<"+e+" />").setAttrs(i.getAttrs()).removeAttribute("data-iterate"),i.getAttribute("style")&&n.setAttribute("style",i.getAttribute("style")),i.getAttribute("class")&&n.setAttribute("class",i.getAttribute("class")),a=(s=i.getDOMNode().childNodes)[0];void 0!==a;)n.append(a),a=s[0];i.replace(n),i=this.editor.one(
-'[data-iterate="true"]')}},changeToCSS:function(t,e){var i=window.rangy.saveSelection();this.editor.all(".rangySelectionBoundary").setStyle("display",null),this.editor.all(t).addClass(e),this.replaceTags(this.editor.all("."+e),"span"),window.rangy.restoreSelection(i)},changeToTags:function(e,i){var t=window.rangy.saveSelection();this.editor.all(".rangySelectionBoundary").setStyle("display",null),this.replaceTags(this.editor.all('span[class="'+e+'"]'),i),this.editor.all(i+'[class="'+e+'"]').removeAttribute("class"),this.editor.all("."+e).each(function(t){t.wrap("<"+i+"/>"),t.removeClass(e)}),this.editor.all('[class="'+e+'"]').removeAttribute("class"),this.editor.all(i).removeClass(e),window.rangy.restoreSelection(t)}},u.Base.mix(u.M.editor_atto.Editor,[m]),v.ATTRS={},v.prototype={toolbar:null,openMenus:null,setupToolbar:function(){return this.toolbar=u.Node.create('<div class="'+a.TOOLBAR+'" role="toolbar" aria-live="off"/>'),this.openMenus=[],this._wrapper.appendChild(this.toolbar),this.textareaLabel&&this.toolbar.setAttribute("aria-labelledby",this.textareaLabel.get("id")),this.setupToolbarNavigation(),this}},u.Base.mix(u.M.editor_atto.Editor,[v]),b.ATTRS={},b.prototype={_tabFocus:null,setupToolbarNavigation:function(){return this._wrapper.delegate("key",this.toolbarKeyboardNavigation,"down:37,39","."+a.TOOLBAR,this),this._wrapper.delegate("focus",function(t){this._setTabFocus(t.currentTarget)},"."+a.TOOLBAR+" button",this),this},toolbarKeyboardNavigation:function(t){t.preventDefault();var e,i=this.toolbar.all("button"),n=1,s=t.target.ancestor("button",!0);37===t.keyCode&&(n=-1),(e=this._findFirstFocusable(i,s,n))&&(e.focus(),this._setTabFocus(e))},_findFirstFocusable:function(t,e,i){var n,s,a,o=0;for((a=t.indexOf(e))<-1&&(a=0);o<t.size();)if((a+=i)<0?a=t.size()-1:a>=t.size()&&(a=0),o++,!(n=t.item(a)).hasAttribute("hidden")&&!n.hasAttribute("disabled")&&!n.ancestor(".atto_group").hasAttribute("hidden")){s=n;break}return s},checkTabFocus:function(){if(this._tabFocus&&(this._tabFocus.hasAttribute("disabled")||this._tabFocus.hasAttribute("hidden")||this._tabFocus.ancestor(".atto_group").hasAttribute("hidden"))){var t=this._findFirstFocusable(this.toolbar.all("button"),this._tabFocus,-1);t&&(this._tabFocus.compareTo(document.activeElement)&&t.focus(),this._setTabFocus(t))}return this},_setTabFocus:function(t){return this._tabFocus&&this._tabFocus.setAttribute("tabindex","-1"),this._tabFocus=t,this._tabFocus.setAttribute("tabindex",0),this.toolbar.setAttribute("aria-activedescendant",this._tabFocus.generateID()),this}},u.Base.mix(u.M.editor_atto.Editor,[b]),_.ATTRS={},_.prototype={_selections:null,_lastSelection:null,_focusFromClick:!1,_gesturestartededitor:!1,setupSelectionWatchers:function(){return this.on("atto:selectionchanged",this.saveSelection,this),this.editor.on("focus",this.restoreSelection,this),this.editor.on("mousedown",function(){this._focusFromClick=!0},this),this.editor.on("blur",function(){this._focusFromClick=!1,this.updateOriginal()},this),this.editor.on(["keyup","focus"],function(t){u.soon(u.bind(this._hasSelectionChanged,this,t))},this),u.one(document.body).on("gesturemovestart",function(t){this._wrapper.contains(t.target._node)?this._gesturestartededitor=!0:this._gesturestartededitor=!1},null,this),u.one(document.body).on("gesturemoveend",function(t){this._gesturestartededitor&&u.soon(u.bind(this._hasSelectionChanged,this,t))},{standAlone:!0},this),this},isActive:function(){var t=c.createRange(),e=c.getSelection();return!!e.rangeCount&&(!(!document.activeElement||!this.editor.compareTo(document.activeElement)&&!this.editor.contains(document.activeElement))&&(t.selectNode(this.editor.getDOMNode()),t.intersectsRange(e.getRangeAt(0))))},getSelectionFromNode:function(t){var e=c.createRange();return e.selectNode(t.getDOMNode()),[e]},saveSelection:function(){this.isActive()&&(this._selections=this.getSelection())},restoreSelection:function(){this._focusFromClick||this._selections&&this.setSelection(this._selections),this._focusFromClick=!1},getSelection:function(){return c.getSelection().getAllRanges()},selectionContainsNode:function(t){return c.getSelection().containsNode(t.getDOMNode(),!0)},selectionFilterMatches:function(e,t,i){var n,s,a,o;return void 0===i&&(i=!0),t=t||this.getSelectedNodes(),n=0<t.size(),s=!1,a=this.editor,o=function(t){return t===a},!!a.one(e)&&(t.each(function(t){i?n&&t.ancestor(e,!0,o)||(n=!1):!s&&t.ancestor(e,!0,o)&&(s=!0)},this),i?n:s)},getSelectedNodes:function(){var t,e,i,n,s,a=new u.NodeList;for((i=(e=c.getSelection()).rangeCount?e.getRangeAt(0):c.createRange()).collapsed&&i.commonAncestorContainer!==this.editor.getDOMNode()&&i.commonAncestorContainer!==u.config.doc&&(i=i.cloneRange()).selectNode(i.commonAncestorContainer),t=i.getNodes(),s=0;s<t.length;s++)n=u.one(t[s]),this.editor.contains(n)&&a.push(n);return a},_hasSelectionChanged:function(t){var e,i=c.getSelection(),n=!1;return e=i.rangeCount?i.getRangeAt(0):c.createRange(),this._lastSelection&&!this._lastSelection.equals(e)?(n=!0,this._fireSelectionChanged(t)):(this._lastSelection=e,n)},_fireSelectionChanged:function(t){this.fire("atto:selectionchanged",{event:t,selectedNodes:this.getSelectedNodes()})},getSelectionParentNode:function(){var t=c.getSelection();return!!t.rangeCount&&t.getRangeAt(0).commonAncestorContainer},setSelection:function(t){c.getSelection().setRanges(t)},insertContentAtFocusPoint:function(t){var e,i=c.getSelection(),n=u.Node.create(t);return i.rangeCount&&(e=i.getRangeAt(0)),e&&(e.deleteContents(),e.insertNode(n.getDOMNode())),n}},u.Base.mix(u.M.editor_atto.Editor,[_]),y.ATTRS={},y.prototype={disableCssStyling:function(){try{document.execCommand("styleWithCSS",0,!1)}catch(t){try{document.execCommand("useCSS",0,!0)}catch(e){try{document.execCommand("styleWithCSS",!1,!1)}catch(i){}}}},enableCssStyling:function(){try{document.execCommand("styleWithCSS",0,!0)}catch(t){try{document.execCommand("useCSS",0,!1)}catch(e){try{document.execCommand("styleWithCSS",!1,!0)}catch(i){}}
-}},toggleInlineSelectionClass:function(t){var e=t.join(" "),i=c.createClassApplier(e,{normalize:!0});i.toggleSelection()},formatSelectionInlineStyle:function(e){var i=this.PLACEHOLDER_CLASS,t=c.createClassApplier(i,{normalize:!0});t.applyToSelection(),this.editor.all("."+i).each(function(t){t.removeClass(i).setStyles(e)},this)},formatSelectionBlock:function(t,e){var i,n,s,a,o,r,l,c=this.getSelectionParentNode();return!!c&&(i=this.editor,(n=(c=u.one(c)).ancestor(function(t){var e=t.get("tagName");return e=e&&e.toLowerCase(),t===i||"td"===e||"th"===e},!0))&&(i=n),(s=c.ancestor(this.BLOCK_TAGS.join(", "),!0))&&(s.ancestor(function(t){return t===i},!1)||(s=!1)),s||(r="rtl"===this.coreDirection?'style="text-align: right;"':'style="text-align: left;"',a=u.Node.create('<p dir="'+this.coreDirection+'" '+r+"></p>"),i.get("childNodes").each(function(t){a.append(t.remove())}),i.append(a),s=a),t&&""!==t&&((o=u.Node.create("<"+t+"></"+t+">")).setAttrs(s.getAttrs()),s.get("childNodes").each(function(t){t.remove(),o.append(t)}),s.replace(o),s=o),e&&s.setAttrs(e),l=this.getSelectionFromNode(s),this.setSelection(l),s)}},u.Base.mix(u.M.editor_atto.Editor,[y]),S.ATTRS={filepickeroptions:{value:{}}},S.prototype={canShowFilepicker:function(t){return"undefined"!=typeof this.get("filepickeroptions")[t]},showFilepicker:function(i,n,s){var a=this;u.use("core_filepicker",function(t){var e=t.clone(a.get("filepickeroptions")[i],!0);e.formcallback=n,s&&(e.magicscope=s),M.core_filepicker.show(t,e)})}},u.Base.mix(u.M.editor_atto.Editor,[S])},"@VERSION@",{requires:["node","transition","io","overlay","escape","event","event-simulate","event-custom","node-event-html5","node-event-simulate","yui-throttle","moodle-core-notification-dialogue","moodle-core-notification-confirm","moodle-editor_atto-rangy","handlebars","timers","querystring-stringify"]});
\ No newline at end of file
+YUI.add("moodle-editor_atto-editor",function(r,u){var s,a,n,e={CONTENT:"editor_atto_content",CONTENTWRAPPER:"editor_atto_content_wrap",TOOLBAR:"editor_atto_toolbar",WRAPPER:"editor_atto",HIGHLIGHT:"highlight"},o=window.rangy;function t(){t.superclass.constructor.apply(this,arguments)}function i(){}function l(){}function h(){}function c(){c.superclass.constructor.apply(this,arguments),this._submitEvents={},this._queue=[],this._throttle=null}function d(){}function g(){}function p(){}function f(){}function m(){}function v(){}function b(){}function _(){}r.extend(t,r.Base,{BLOCK_TAGS:["address","article","aside","audio","blockquote","canvas","dd","div","dl","fieldset","figcaption","figure","footer","form","h1","h2","h3","h4","h5","h6","header","hgroup","hr","noscript","ol","output","p","pre","section","table","tfoot","ul","video"],PLACEHOLDER_CLASS:"atto-tmp-class",ALL_NODES_SELECTOR:"[style],font[face]",FONT_FAMILY:"fontFamily",_wrapper:null,editor:null,textarea:null,textareaLabel:null,plugins:null,coreDirection:null,_eventHandles:null,initializer:function(){var t;this.textarea=r.one(document.getElementById(this.get("elementid"))),this.textarea&&(t=this.textarea.getAttribute("class"),this._eventHandles=[],this._wrapper=r.Node.create('<div class="'+e.WRAPPER+'" />'),t=r.Handlebars.compile('<div id="{{elementid}}editable" contenteditable="true" role="textbox" spellcheck="true" aria-live="off" class="{{CSS.CONTENT}} '+t+'" />'),this.editor=r.Node.create(t({elementid:this.get("elementid"),CSS:e})),this.textareaLabel=r.one('[for="'+this.get("elementid")+'"]'),this.textareaLabel&&(this.textareaLabel.generateID(),this.editor.setAttribute("aria-labelledby",this.textareaLabel.get("id"))),this.coreDirection=r.one("body").hasClass("dir-rtl")?"rtl":"ltr",this.setupToolbar(),(t=r.Node.create('<div class="'+e.CONTENTWRAPPER+'" />')).appendChild(this.editor),this._wrapper.appendChild(t),this.editor.setStyle("minHeight",20*this.textarea.getAttribute("rows")+8+"px"),0===r.UA.ie&&this.editor.setStyle("height",20*this.textarea.getAttribute("rows")+8+"px"),this.disableCssStyling(),document.queryCommandSupported("DefaultParagraphSeparator")&&document.execCommand("DefaultParagraphSeparator",!1,"p"),this.textarea.get("parentNode").insert(this._wrapper,this.textarea).setAttribute("class","editor_atto_wrap"),this.textarea.hide(),r.mix(r.Node.DOM_EVENTS,{"form:editorUpdated":!0}),this.textarea.on("form:editorUpdated",function(){this.updateEditorState()},this),this.updateFromTextArea(),this.publishEvents(),this.setupSelectionWatchers(),this.setupAutomaticPolling(),this.setupPlugins(),this.setupAutosave(),this.setupNotifications())},focus:function(){return this.editor.focus(),this},publishEvents:function(){return this.publish("change",{broadcast:!0,preventable:!0}),this.publish("pluginsloaded",{fireOnce:!0}),this.publish("atto:selectionchanged",{prefix:"atto"}),this},setupAutomaticPolling:function(){return this._registerEventHandle(this.editor.on(["keyup","cut"],this.updateOriginal,this)),this._registerEventHandle(this.editor.on("paste",this.pasteCleanup,this)),this._registerEventHandle(this.editor.on("drop",this.updateOriginalDelayed,this)),this},updateOriginalDelayed:function(){return r.soon(r.bind(this.updateOriginal,this)),this},setupPlugins:function(){var t,e,i,n,s,a;for(e in this.plugins={},t=this.get("plugins"))if((i=t[e]).plugins)for(n in i.plugins)s=i.plugins[n],a=r.mix({name:s.name,group:i.group,editor:this.editor,toolbar:this.toolbar,host:this},s),"undefined"!=typeof r.M["atto_"+s.name]&&(this.plugins[s.name]=new r.M["atto_"+s.name].Button(a));return this.fire("pluginsloaded"),this},enablePlugins:function(t){this._setPluginState(!0,t)},disablePlugins:function(t){this._setPluginState(!1,t)},_setPluginState:function(t,e){var i=t?"enableButtons":"disableButtons";e?this.plugins[e][i]():r.Object.each(this.plugins,function(t){t[i]()},this)},updateEditorState:function(){var t=this.textarea.hasAttribute("readonly"),e=r.one("#"+this.get("elementid")+"editable");this._setPluginState(!t),e&&e.setAttribute("contenteditable",!t)},_registerEventHandle:function(t){this._eventHandles.push(t)}},{NS:"editor_atto",ATTRS:{elementid:{value:null,writeOnce:!0},contextid:{value:null,writeOnce:!0},plugins:{value:{},writeOnce:!0}}}),r.augment(t,r.EventTarget),r.namespace("M.editor_atto").Editor=t,r.namespace("M.editor_atto.Editor").init=function(t){return new r.M.editor_atto.Editor(t)},s="info",a="warning",i.ATTRS={},i.prototype={messageOverlay:null,hideTimer:null,setupNotifications:function(){var t=new Image,e=new Image;return t.src=M.util.image_url("i/warning","moodle"),e.src=M.util.image_url("i/info","moodle"),this},showMessage:function(t,e,i){var n="";return null===this.messageOverlay&&(this.messageOverlay=r.Node.create('<div class="editor_atto_notification"></div>'),this.messageOverlay.hide(!0),this.textarea.get("parentNode").append(this.messageOverlay),this.messageOverlay.on("click",function(){this.messageOverlay.hide(!0)},this)),null!==this.hideTimer&&this.hideTimer.cancel(),e===a?n='<img src="'+M.util.image_url("i/warning","moodle")+'" alt="'+M.util.get_string("warning","moodle")+'"/>':e===s&&(n='<img src="'+M.util.image_url("i/info","moodle")+'" alt="'+M.util.get_string("info","moodle")+'"/>'),(i=parseInt(i,10))<=0&&(i=6e4),e=r.Node.create('<div class="'+(e="atto_"+e)+'" role="alert" aria-live="assertive">'+n+" "+r.Escape.html(t)+"</div>"),this.messageOverlay.empty(),this.messageOverlay.append(e),this.messageOverlay.show(!0),this.hideTimer=r.later(i,this,function(){this.hideTimer=null,this.messageOverlay.inDoc()&&this.messageOverlay.hide(!0)}),this}},r.Base.mix(r.M.editor_atto.Editor,[i]),l.ATTRS={},l.prototype={_getEmptyContent:function(){var t="rtl"===this.coreDirection?'style="text-align: right;"':'style="text-align: left;"';return r.UA.ie&&r.UA.ie<10?'<p dir="'+this.coreDirection+'" '+t+"></p>":'<p dir="'+this.coreDirection+'" '+t+"><br></p>"},updateFromTextArea:function(){return this.editor.setHTML(""),
+this.editor.append(this._cleanHTML(this.textarea.get("value"),!0)),""===this.editor.getHTML()&&this.editor.setHTML(this._getEmptyContent()),this},updateOriginal:function(){var t=this.textarea.get("value"),e=this.getCleanHTML();return t!==(e=""===e&&this.isActive()?this._getEmptyContent():e)&&(this.textarea.set("value",e),this.textarea.simulate("change"),this.fire("change")),this}},r.Base.mix(r.M.editor_atto.Editor,[l]),h.ATTRS={autosaveEnabled:{value:!0,writeOnce:!0},autosaveFrequency:{value:60,writeOnce:!0},pageHash:{value:"",writeOnce:!0}},h.prototype={lastText:"",autosaveInstance:null,autosaveTimer:null,setupAutosave:function(){var t,e=-1,i=null,n=this.get("filepickeroptions");if(this.get("autosaveEnabled")){for(i in this.autosaveInstance=r.stamp(this),n)"undefined"!=typeof n[i].itemid&&(e=n[i].itemid);return t={contextid:this.get("contextid"),action:"resume",draftid:e,elementid:this.get("elementid"),pageinstance:this.autosaveInstance,pagehash:this.get("pageHash")},this.autosaveIo(t,this,{success:function(t){null!==t&&t&&(["<p></p>","<p><br></p>","<br>",'<p dir="rtl" style="text-align: right;"></p>','<p dir="rtl" style="text-align: right;"><br></p>','<p dir="ltr" style="text-align: left;"></p>','<p dir="ltr" style="text-align: left;"><br></p>',"<p>&nbsp;</p>","<p><br>&nbsp;</p>",'<p dir="rtl" style="text-align: right;">&nbsp;</p>','<p dir="rtl" style="text-align: right;"><br>&nbsp;</p>','<p dir="ltr" style="text-align: left;">&nbsp;</p>','<p dir="ltr" style="text-align: left;"><br>&nbsp;</p>'].includes(t.result)&&(t.result=""),t.error||"undefined"==typeof t.result?this.showMessage(M.util.get_string("errortextrecovery","editor_atto"),a,6e4):t.result!==this.textarea.get("value")&&""!==t.result&&this.recoverText(t.result),this._fireSelectionChanged())},failure:function(){this.showMessage(M.util.get_string("errortextrecovery","editor_atto"),a,6e4)}}),t=1e3*parseInt(this.get("autosaveFrequency"),10),this.autosaveTimer=r.later(t,this,this.saveDraft,!1,!0),(t=this.textarea.ancestor("form"))&&this.autosaveIoOnSubmit(t,{action:"reset",contextid:this.get("contextid"),elementid:this.get("elementid"),pageinstance:this.autosaveInstance,pagehash:this.get("pageHash")}),this}},recoverText:function(t){return this.editor.setHTML(t),this.saveSelection(),this.updateOriginal(),this.lastText=t,this.showMessage(M.util.get_string("textrecovered","editor_atto"),s,6e4),require(["core/event"],function(t){t.notifyEditorContentRestored()}),this},saveDraft:function(){var t,e,i;if(this.editor.getDOMNode())return this.editor.get("hidden")||this.updateOriginal(),(e=this.textarea.get("value"))!==this.lastText&&(M.cfg.wwwroot,this.get("autosaveAjaxScript"),t={sesskey:M.cfg.sesskey,contextid:this.get("contextid"),action:"save",drafttext:e,elementid:this.get("elementid"),pagehash:this.get("pageHash"),pageinstance:this.autosaveInstance},this.autosaveIo(t,this,{failure:i=function(t){var e=1e3*parseInt(this.get("autosaveFrequency"),10);this.showMessage(M.util.get_string("autosavefailed","editor_atto"),a,e)},success:function(t){t&&t.error?r.soon(r.bind(i,this,[t])):(this.lastText=e,this.showMessage(M.util.get_string("autosavesucceeded","editor_atto"),s,5e3))}})),this;this.autosaveTimer.cancel()}},r.Base.mix(r.M.editor_atto.Editor,[h]),n=null,c.NAME="EditorAutosaveIoDispatcher",c.ATTRS={autosaveAjaxScript:{value:"/lib/editor/atto/autosave-ajax.php",readOnly:!0},delay:{value:50,readOnly:!0}},r.extend(c,r.Base,{dispatch:function(t,e,i){this._throttle&&this._throttle.cancel(),this._throttle=r.later(this.get("delay"),this,this._processDispatchQueue),this._queue.push([t,e,i])},_processDispatchQueue:function(){var t=this._queue,i={};this._queue=[],t.length<1||(r.Array.each(t,function(t,e){i[e]=t[0]}),r.io(M.cfg.wwwroot+this.get("autosaveAjaxScript"),{method:"POST",data:r.QueryString.stringify({actions:i,sesskey:M.cfg.sesskey}),on:{start:this._makeIoEventCallback("start",t),complete:this._makeIoEventCallback("complete",t),failure:this._makeIoEventCallback("failure",t),end:this._makeIoEventCallback("end",t),success:this._makeIoEventCallback("success",t)}}))},_makeIoEventCallback:function(a,e){var o=function(){};return function(){var t=arguments[1],s={};"complete"!=a&&"success"!=a||void 0===t||"undefined"==typeof t.responseText||""===t.responseText||(s=JSON.parse(t.responseText)||{}),r.Array.each(e,function(t,e){var i,n=t[1],t=t[2]&&t[2][a]||o;s&&s.error?i=s:s&&(i=s[e]),t.apply(n,[i])})}},_onSubmit:function(t){var i={},t=t.currentTarget.generateID(),t=this._submitEvents[t];!t||t.ios.length<1||(r.Array.each(t.ios,function(t,e){i[e]=t}),r.io(M.cfg.wwwroot+this.get("autosaveAjaxScript"),{method:"POST",data:r.QueryString.stringify({actions:i,sesskey:M.cfg.sesskey}),sync:!0}))},whenSubmit:function(t,e){"undefined"==typeof this._submitEvents[t.generateID()]&&(this._submitEvents[t.generateID()]={event:t.on("submit",this._onSubmit,this),ajaxEvent:t.on(M.core.event.FORM_SUBMIT_AJAX,this._onSubmit,this),ios:[]}),this._submitEvents[t.get("id")].ios.push([e])}}),n=new c,d.prototype={autosaveIo:function(t,e,i){n.dispatch(t,e,i)},autosaveIoOnSubmit:function(t,e){n.whenSubmit(t,e)}},r.Base.mix(r.M.editor_atto.Editor,[d]),g.ATTRS={},g.prototype={getCleanHTML:function(){var t=this.editor.cloneNode(!0);return r.each(t.all('[id^="yui"]'),function(t){t.removeAttribute("id")}),t.all(".atto_control").remove(!0),t=t.get("innerHTML"),["<p></p>","<p><br></p>","<br>",'<p dir="rtl" style="text-align: right;"></p>','<p dir="rtl" style="text-align: right;"><br></p>','<p dir="ltr" style="text-align: left;"></p>','<p dir="ltr" style="text-align: left;"><br></p>',"<p>&nbsp;</p>","<p><br>&nbsp;</p>",'<p dir="rtl" style="text-align: right;">&nbsp;</p>','<p dir="rtl" style="text-align: right;"><br>&nbsp;</p>','<p dir="ltr" style="text-align: left;">&nbsp;</p>','<p dir="ltr" style="text-align: left;"><br>&nbsp;</p>'].includes(t)?"":this._cleanHTML(t)},cleanEditorHTML:function(){var t=this.editor.get("innerHTML");return this.editor.set("innerHTML",this._cleanHTML(t)),
+this},_cleanHTML:function(t,e){return t=this._filterContentWithRules(t,[{regex:/<style[^>]*>[\s\S]*?<\/style>/gi,replace:""},{regex:/<!--(?![\s\S]*?-->)/gi,replace:""},{regex:/<\/?(?:title|meta|style|st\d|head\b|font|html|body|link)[^>]*?>/gi,replace:""}]),t=e?this._cleanHTMLLists(t):t},_filterContentWithRules:function(t,e){for(var i=0,i=0;i<e.length;i++)t=t.replace(e[i].regex,e[i].replace);return t},pasteCleanup:function(t){var e,i,n,s,a;if("paste"===t.type){if(e=this.postPasteCleanupDelayed(),!((i=t._event)&&i.clipboardData&&i.clipboardData.getData&&i.clipboardData.types))return this.fallbackPasteCleanupDelayed(),!0;if(n=!1,"function"==typeof(a=i.clipboardData.types).contains?n=a.contains("text/html"):"function"==typeof a.indexOf&&(n=-1<a.indexOf("text/html")),n){try{s=i.clipboardData.getData("text/html")}catch(o){return e.cancel(),this.fallbackPasteCleanupDelayed(),!0}return t.preventDefault(),s=this._cleanPasteHTML(s),a=window.rangy.saveSelection(),this.insertContentAtFocusPoint(s),window.rangy.restoreSelection(a),window.rangy.getSelection().collapseToEnd(),this.updateOriginal(),!1}try{s=i.clipboardData.getData("text")}catch(o){return e.cancel(),this.fallbackPasteCleanupDelayed(),!0}}return this.updateOriginalDelayed(),!0},postPasteCleanupDelayed:function(){return r.soon(r.bind(this.postPasteCleanup,this)),this},postPasteCleanup:function(){var t=window.rangy.saveSelection(),e=this.editor.get("innerHTML");return this.editor.set("innerHTML",this._cleanHTML(e,!0)),this.updateOriginal(),window.rangy.restoreSelection(t),this},fallbackPasteCleanup:function(){var t=window.rangy.saveSelection(),e=this.editor.get("innerHTML");return this.editor.set("innerHTML",this._cleanHTML(this._cleanPasteHTML(e),!0)),this.updateOriginal(),window.rangy.restoreSelection(t),this},fallbackPasteCleanupDelayed:function(){return r.soon(r.bind(this.fallbackPasteCleanup,this)),this},_cleanPasteHTML:function(t){var e;return t&&0!==t.length?(t=this._filterContentWithRules(t,[{regex:/<\s*\/html\s*>([\s\S]+)$/gi,replace:""},{regex:/<!--\[if[\s\S]*?endif\]-->/gi,replace:""},{regex:/<!--(Start|End)Fragment-->/gi,replace:""},{regex:/<xml[^>]*>[\s\S]*?<\/xml>/gi,replace:""},{regex:/<\?xml[^>]*>[\s\S]*?<\\\?xml>/gi,replace:""},{regex:/<\/?\w+:[^>]*>/gi,replace:""}]),0!==(t=this._cleanHTML(t)).length&&t.match(/\S/)?((e=document.createElement("div")).innerHTML=t,t=e.innerHTML,e=[{regex:/(<[^>]*?class\s*?=\s*?")([^>"]*)(")/gi,replace:function(t,e,i,n){return e+(i=(i=i.replace(/(?:^|[\s])[\s]*MSO[_a-zA-Z0-9\-]*/gi,"")).replace(/(?:^|[\s])[\s]*Apple-[_a-zA-Z0-9\-]*/gi,""))+n}},{regex:/<a [^>]*?name\s*?=\s*?"OLE_LINK\d*?"[^>]*?>\s*?<\/a>/gi,replace:e.innerHTML=""}],t=this._cleanStyles(t),t=this._filterContentWithRules(t,e),t=this._cleanHTML(t),this._cleanSpans(t)):t):""},_cleanStyles:function(t){var e,i,n,s=document.createElement("div");for(s.innerHTML=t,e=s.querySelectorAll("[style]"),i=i=0;i<e.length;i++)e[i].removeAttribute("style");for(n=s.querySelectorAll("[class]"),i=0;i<n.length;i++)n[i].removeAttribute("class");return s.innerHTML},_cleanSpans:function(t){var e,i;return t&&0!==t.length?0!==t.length&&t.match(/\S/)?(t=this._filterContentWithRules(t,[{regex:/(<[^>]*?)(?:[\s]*(?:class|style|id)\s*?=\s*?"\s*?")+/gi,replace:"$1"}]),(e=document.createElement("div")).innerHTML=t,i=e.getElementsByTagName("span"),Array.prototype.slice.call(i,0).forEach(function(t){if(!t.hasAttributes()){for(;t.firstChild;)t.parentNode.insertBefore(t.firstChild,t);t.parentNode.removeChild(t)}}),e.innerHTML):t:""},_cleanHTMLLists:function(t){for(var e,i="",n=t,s=null,a=[],o=null,r=null;s=n.match(/<(\/?)(li|ul|ol)[^>]*>/i);){if(o={tag:s[2],tagLowerCase:s[2].toLowerCase(),fullTag:s[0],isOpen:1!=s[1].length},r=a.length?a[a.length-1]:null,i+=n.slice(0,s.index),n=n.slice(s.index+s[0].length),o.isOpen){if("li"===o.tagLowerCase){if(!r){if(e=(n.match(/<\/(ol)[ >]/gi)||[]).length,(n.match(/<(ol)[ >]/gi)||[]).length<e){n="<ol>"+o.fullTag+n;continue}n="<ul>"+o.fullTag+n;continue}if("li"===r.tagLowerCase){n="</"+r.tag+">"+o.fullTag+n;continue}}a.push({tag:o.tag,tagLowerCase:o.tagLowerCase,position:i.length,length:o.fullTag.length})}else{if(0==a.length)continue;if(r.tagLowerCase===o.tagLowerCase)o.tag!=r.tag&&(o.fullTag=o.fullTag.replace(o.tag,r.tag)),a.pop(),r=a.length?a[a.length-1]:null;else if("li"===o.tagLowerCase&&r.liEnd&&r.liEnd<i.length)i=this._insertString(i,"<"+o.tag+">",r.liEnd);else{if("li"!==o.tagLowerCase||r.liEnd||!(r.position+r.length<i.length)){if("li"!==r.tagLowerCase)continue;n="</"+r.tag+">"+o.fullTag+n;continue}i=this._insertString(i,"<"+o.tag+">",r.position+r.length)}"li"===o.tagLowerCase&&r&&(r.liEnd=i.length+o.fullTag.length)}i+=o.fullTag}if(i+=n,a.length)for(;o=a.pop();)i=o.liEnd?this._insertString(i,"</"+o.tag+">",o.liEnd):i.slice(0,o.position)+i.slice(o.position+o.length);return i},_insertString:function(t,e,i){return t.slice(0,i)+e+t.slice(i)}},r.Base.mix(r.M.editor_atto.Editor,[g]),p.ATTRS={},p.prototype={applyFormat:function(t,e,i,n){var s;if(i=i||this,(s=window.rangy.getSelection()).isCollapsed)return s=this.editor.once("input",function(t,e,i,n,s,a){r.soon(r.bind(function(t,e,i,n,s,a){var o=window.rangy.getSelection(),r=o.getRangeAt(0);r.setStart(s,a),o.setSingleRange(r),e.apply(i,[t,n]),o.collapseToEnd(),this.saveSelection(),this.updateOriginal()},this,t,e,i,n,s,a))},this,e,i,n,s.anchorNode,s.anchorOffset),void this.editor.onceAfter(["click","selectstart"],s.detach,s);e.apply(i,[t,n]),this.saveSelection(),this.updateOriginal()},replaceTags:function(t,e){var i,n,s,a;for(t.setAttribute("data-iterate",!0),i=this.editor.one('[data-iterate="true"]');i;){for(n=r.Node.create("<"+e+" />").setAttrs(i.getAttrs()).removeAttribute("data-iterate"),i.getAttribute("style")&&n.setAttribute("style",i.getAttribute("style")),i.getAttribute("class")&&n.setAttribute("class",i.getAttribute("class")),a=(s=i.getDOMNode().childNodes)[0];void 0!==a;)n.append(a),a=s[0];i.replace(n),i=this.editor.one('[data-iterate="true"]')}},changeToCSS:function(t,e){
+var i=window.rangy.saveSelection();this.editor.all(".rangySelectionBoundary").setStyle("display",null),this.editor.all(t).addClass(e),this.replaceTags(this.editor.all("."+e),"span"),window.rangy.restoreSelection(i)},changeToTags:function(e,i){var t=window.rangy.saveSelection();this.editor.all(".rangySelectionBoundary").setStyle("display",null),this.replaceTags(this.editor.all('span[class="'+e+'"]'),i),this.editor.all(i+'[class="'+e+'"]').removeAttribute("class"),this.editor.all("."+e).each(function(t){t.wrap("<"+i+"/>"),t.removeClass(e)}),this.editor.all('[class="'+e+'"]').removeAttribute("class"),this.editor.all(i).removeClass(e),window.rangy.restoreSelection(t)}},r.Base.mix(r.M.editor_atto.Editor,[p]),f.ATTRS={},f.prototype={toolbar:null,openMenus:null,setupToolbar:function(){return this.toolbar=r.Node.create('<div class="'+e.TOOLBAR+'" role="toolbar" aria-live="off"/>'),this.openMenus=[],this._wrapper.appendChild(this.toolbar),this.textareaLabel&&this.toolbar.setAttribute("aria-labelledby",this.textareaLabel.get("id")),this.setupToolbarNavigation(),this}},r.Base.mix(r.M.editor_atto.Editor,[f]),m.ATTRS={},m.prototype={_tabFocus:null,setupToolbarNavigation:function(){return this._wrapper.delegate("key",this.toolbarKeyboardNavigation,"down:37,39","."+e.TOOLBAR,this),this._wrapper.delegate("focus",function(t){this._setTabFocus(t.currentTarget)},"."+e.TOOLBAR+" button",this),this},toolbarKeyboardNavigation:function(t){t.preventDefault();var e=this.toolbar.all("button"),i=1,n=t.target.ancestor("button",!0);37===t.keyCode&&(i=-1),(t=this._findFirstFocusable(e,n,i))&&(t.focus(),this._setTabFocus(t))},_findFirstFocusable:function(t,e,i){var n,s,a=0,o=t.indexOf(e);for(o<-1&&(o=0);a<t.size();)if((o+=i)<0?o=t.size()-1:o>=t.size()&&(o=0),a++,!(n=t.item(o)).hasAttribute("hidden")&&!n.hasAttribute("disabled")&&!n.ancestor(".atto_group").hasAttribute("hidden")){s=n;break}return s},checkTabFocus:function(){var t;return this._tabFocus&&(!(this._tabFocus.hasAttribute("disabled")||this._tabFocus.hasAttribute("hidden")||this._tabFocus.ancestor(".atto_group").hasAttribute("hidden"))||(t=this._findFirstFocusable(this.toolbar.all("button"),this._tabFocus,-1))&&(this._tabFocus.compareTo(document.activeElement)&&t.focus(),this._setTabFocus(t))),this},_setTabFocus:function(t){return this._tabFocus&&this._tabFocus.setAttribute("tabindex","-1"),this._tabFocus=t,this._tabFocus.setAttribute("tabindex",0),this.toolbar.setAttribute("aria-activedescendant",this._tabFocus.generateID()),this}},r.Base.mix(r.M.editor_atto.Editor,[m]),v.ATTRS={},v.prototype={_selections:null,_lastSelection:null,_focusFromClick:!1,_gesturestartededitor:!1,setupSelectionWatchers:function(){return this.on("atto:selectionchanged",this.saveSelection,this),this.editor.on("focus",this.restoreSelection,this),this.editor.on("mousedown",function(){this._focusFromClick=!0},this),this.editor.on("blur",function(){this._focusFromClick=!1,this.updateOriginal()},this),this.editor.on(["keyup","focus"],function(t){r.soon(r.bind(this._hasSelectionChanged,this,t))},this),r.one(document.body).on("gesturemovestart",function(t){this._wrapper.contains(t.target._node)?this._gesturestartededitor=!0:this._gesturestartededitor=!1},null,this),r.one(document.body).on("gesturemoveend",function(t){this._gesturestartededitor&&r.soon(r.bind(this._hasSelectionChanged,this,t))},{standAlone:!0},this),this},isActive:function(){var t=o.createRange(),e=o.getSelection();return!!e.rangeCount&&(!(!document.activeElement||!this.editor.compareTo(document.activeElement)&&!this.editor.contains(document.activeElement))&&(t.selectNode(this.editor.getDOMNode()),t.intersectsRange(e.getRangeAt(0))))},getSelectionFromNode:function(t){var e=o.createRange();return e.selectNode(t.getDOMNode()),[e]},saveSelection:function(){this.isActive()&&(this._selections=this.getSelection())},restoreSelection:function(){this._focusFromClick||this._selections&&this.setSelection(this._selections),this._focusFromClick=!1},getSelection:function(){return o.getSelection().getAllRanges()},selectionContainsNode:function(t){return o.getSelection().containsNode(t.getDOMNode(),!0)},selectionFilterMatches:function(e,t,i){var n,s,a,o;return void 0===i&&(i=!0),t=t||this.getSelectedNodes(),n=0<t.size(),s=!1,a=this.editor,o=function(t){return t===a},!!a.one(e)&&(t.each(function(t){i?n&&t.ancestor(e,!0,o)||(n=!1):!s&&t.ancestor(e,!0,o)&&(s=!0)},this),i?n:s)},getSelectedNodes:function(){var t,e,i,n=new r.NodeList,s=o.getSelection(),s=s.rangeCount?s.getRangeAt(0):o.createRange();for(s.collapsed&&s.commonAncestorContainer!==this.editor.getDOMNode()&&s.commonAncestorContainer!==r.config.doc&&(s=s.cloneRange()).selectNode(s.commonAncestorContainer),t=s.getNodes(),i=0;i<t.length;i++)e=r.one(t[i]),this.editor.contains(e)&&n.push(e);return n},_hasSelectionChanged:function(t){var e=o.getSelection(),i=!1,e=e.rangeCount?e.getRangeAt(0):o.createRange();return this._lastSelection&&!this._lastSelection.equals(e)?(i=!0,this._fireSelectionChanged(t)):(this._lastSelection=e,i)},_fireSelectionChanged:function(t){this.fire("atto:selectionchanged",{event:t,selectedNodes:this.getSelectedNodes()})},getSelectionParentNode:function(){var t=o.getSelection();return!!t.rangeCount&&t.getRangeAt(0).commonAncestorContainer},setSelection:function(t){o.getSelection().setRanges(t)},insertContentAtFocusPoint:function(t){var e,i=o.getSelection(),t=r.Node.create(t);return(e=i.rangeCount?i.getRangeAt(0):e)&&(e.deleteContents(),e.insertNode(t.getDOMNode())),t}},r.Base.mix(r.M.editor_atto.Editor,[v]),b.ATTRS={},b.prototype={disableCssStyling:function(){try{document.execCommand("styleWithCSS",0,!1)}catch(t){try{document.execCommand("useCSS",0,!0)}catch(e){try{document.execCommand("styleWithCSS",!1,!1)}catch(i){}}}},enableCssStyling:function(){try{document.execCommand("styleWithCSS",0,!0)}catch(t){try{document.execCommand("useCSS",0,!1)}catch(e){try{document.execCommand("styleWithCSS",!1,!0)}catch(i){}}}},toggleInlineSelectionClass:function(t){t=t.join(" "),
+t=o.createClassApplier(t,{normalize:!0});t.toggleSelection()},formatSelectionInlineStyle:function(e){var i=this.PLACEHOLDER_CLASS,t=o.createClassApplier(i,{normalize:!0});t.applyToSelection(),this.editor.all("."+i).each(function(t){t.removeClass(i).setStyles(e)},this)},formatSelectionBlock:function(t,e){var i,n,s,a,o=this.getSelectionParentNode();return!!o&&(i=this.editor,(n=(o=r.one(o)).ancestor(function(t){var e=(e=t.get("tagName"))&&e.toLowerCase();return t===i||"td"===e||"th"===e},!0))&&(i=n),(n=o.ancestor(this.BLOCK_TAGS.join(", "),!0))&&(n.ancestor(function(t){return t===i},!1)||(n=!1)),n||(o="rtl"===this.coreDirection?'style="text-align: right;"':'style="text-align: left;"',s=r.Node.create('<p dir="'+this.coreDirection+'" '+o+"></p>"),i.get("childNodes").each(function(t){s.append(t.remove())}),i.append(s),n=s),t&&""!==t&&((a=r.Node.create("<"+t+"></"+t+">")).setAttrs(n.getAttrs()),n.get("childNodes").each(function(t){t.remove(),a.append(t)}),n.replace(a),n=a),e&&n.setAttrs(e),o=this.getSelectionFromNode(n),this.setSelection(o),n)}},r.Base.mix(r.M.editor_atto.Editor,[b]),_.ATTRS={filepickeroptions:{value:{}}},_.prototype={canShowFilepicker:function(t){return"undefined"!=typeof this.get("filepickeroptions")[t]},showFilepicker:function(i,n,s){var a=this;r.use("core_filepicker",function(t){var e=t.clone(a.get("filepickeroptions")[i],!0);e.formcallback=n,s&&(e.magicscope=s),M.core_filepicker.show(t,e)})}},r.Base.mix(r.M.editor_atto.Editor,[_])},"@VERSION@",{requires:["node","transition","io","overlay","escape","event","event-simulate","event-custom","node-event-html5","node-event-simulate","yui-throttle","moodle-core-notification-dialogue","moodle-core-notification-confirm","moodle-editor_atto-rangy","handlebars","timers","querystring-stringify"]});
\ No newline at end of file
diff --git a/lib/editor/atto/yui/build/moodle-editor_atto-menu/moodle-editor_atto-menu-min.js b/lib/editor/atto/yui/build/moodle-editor_atto-menu/moodle-editor_atto-menu-min.js
index 0ae7776d3cd..d284d77265f 100644
--- a/lib/editor/atto/yui/build/moodle-editor_atto-menu/moodle-editor_atto-menu-min.js
+++ b/lib/editor/atto/yui/build/moodle-editor_atto-menu/moodle-editor_atto-menu-min.js
@@ -1 +1 @@
-YUI.add("moodle-editor_atto-menu",function(i,e){var s='<div class="open {{config.buttonClass}} atto_menu" style="min-width:{{config.innerOverlayWidth}};"><ul class="dropdown-menu">{{#each config.items}}<li role="presentation" class="atto_menuentry"><a href="#" role="menuitem" data-index="{{@index}}" {{#each data}}data-{{@key}}="{{this}}"{{/each}}>{{{text}}}</a></li>{{/each}}</ul></div>',t=function(){t.superclass.constructor.apply(this,arguments)};i.extend(t,M.core.dialogue,{_menuHandlers:null,initializer:function(e){var t,n,o,a;this._menuHandlers=[],o=i.Handlebars.compile(s),a=i.Node.create(o({config:e})),this.set("bodyContent",a),(n=this.get("boundingBox")).addClass("editor_atto_controlmenu"),n.addClass("editor_atto_menu"),n.one(".moodle-dialogue-wrap").removeClass("moodle-dialogue-wrap").addClass("moodle-dialogue-content"),t=i.Node.create("<h3/>").addClass("accesshide").setHTML(this.get("headerText")),this.get("bodyContent").prepend(t),this.headerNode.hide(),this.footerNode.hide(),this._setupHandlers()},_setupHandlers:function(){var e=this.get("contentBox");this._menuHandlers.push(e.delegate("key",this._chooseMenuItem,"32, enter",".atto_menuentry",this),e.delegate("key",this._handleKeyboardEvent,"down:38,40",".dropdown-menu",this),e.on("focusoutside",this.hide,this),e.delegate("key",this.hide,"down:37,39,esc",".dropdown-menu",this))},_chooseMenuItem:function(e){e.target.simulate("click"),e.preventDefault()},hide:function(e){if(!0!==this.get("preventHideMenu"))return e&&e.preventDefault(),t.superclass.hide.call(this,arguments)},_handleKeyboardEvent:function(e){var t,n,o,a,i,s,d;for(e.preventDefault(),t=e.currentTarget.all('a[role="menuitem"]'),n=!1,a=1,i=o=0,s=e.target.ancestor('a[role="menuitem"]',!0);!n&&o<t.size();)t.item(o)===s?n=!0:o++;if(n){for(38===e.keyCode&&(a=-1);(o+=a)<0?o=t.size()-1:o>=t.size()&&(o=0),d=t.item(o),++i<t.size()&&d!==s&&d.hasAttribute("hidden"););d&&d.focus(),e.preventDefault(),e.stopImmediatePropagation()}}},{NAME:"menu",ATTRS:{headerText:{value:""}}}),i.Base.modifyAttrs(t,{width:{value:"auto"},hideOn:{value:[{eventName:"clickoutside"}]},extraClasses:{value:["editor_atto_menu"]},responsive:{value:!1},visible:{value:!1},center:{value:!1},closeButton:{value:!1}}),i.namespace("M.editor_atto").Menu=t},"@VERSION@",{requires:["moodle-core-notification-dialogue","node","event","event-custom"]});
\ No newline at end of file
+YUI.add("moodle-editor_atto-menu",function(n,e){var t=function(){t.superclass.constructor.apply(this,arguments)};n.extend(t,M.core.dialogue,{_menuHandlers:null,initializer:function(e){var t;this._menuHandlers=[],t=n.Handlebars.compile('<div class="open {{config.buttonClass}} atto_menu" style="min-width:{{config.innerOverlayWidth}};"><ul class="dropdown-menu">{{#each config.items}}<li role="presentation" class="atto_menuentry"><a href="#" role="menuitem" data-index="{{@index}}" {{#each data}}data-{{@key}}="{{this}}"{{/each}}>{{{text}}}</a></li>{{/each}}</ul></div>'),e=n.Node.create(t({config:e})),this.set("bodyContent",e),(t=this.get("boundingBox")).addClass("editor_atto_controlmenu"),t.addClass("editor_atto_menu"),t.one(".moodle-dialogue-wrap").removeClass("moodle-dialogue-wrap").addClass("moodle-dialogue-content"),e=n.Node.create("<h3/>").addClass("accesshide").setHTML(this.get("headerText")),this.get("bodyContent").prepend(e),this.headerNode.hide(),this.footerNode.hide(),this._setupHandlers()},_setupHandlers:function(){var e=this.get("contentBox");this._menuHandlers.push(e.delegate("key",this._chooseMenuItem,"32, enter",".atto_menuentry",this),e.delegate("key",this._handleKeyboardEvent,"down:38,40",".dropdown-menu",this),e.on("focusoutside",this.hide,this),e.delegate("key",this.hide,"down:37,39,esc",".dropdown-menu",this))},_chooseMenuItem:function(e){e.target.simulate("click"),e.preventDefault()},hide:function(e){if(!0!==this.get("preventHideMenu"))return e&&e.preventDefault(),t.superclass.hide.call(this,arguments)},_handleKeyboardEvent:function(e){var t,n,o,a,i,s,d;for(e.preventDefault(),t=e.currentTarget.all('a[role="menuitem"]'),n=!1,a=1,s=e.target.ancestor('a[role="menuitem"]',!(i=o=0));!n&&o<t.size();)t.item(o)===s?n=!0:o++;if(n){for(38===e.keyCode&&(a=-1);(o+=a)<0?o=t.size()-1:o>=t.size()&&(o=0),d=t.item(o),++i<t.size()&&d!==s&&d.hasAttribute("hidden"););d&&d.focus(),e.preventDefault(),e.stopImmediatePropagation()}}},{NAME:"menu",ATTRS:{headerText:{value:""}}}),n.Base.modifyAttrs(t,{width:{value:"auto"},hideOn:{value:[{eventName:"clickoutside"}]},extraClasses:{value:["editor_atto_menu"]},responsive:{value:!1},visible:{value:!1},center:{value:!1},closeButton:{value:!1}}),n.namespace("M.editor_atto").Menu=t},"@VERSION@",{requires:["moodle-core-notification-dialogue","node","event","event-custom"]});
\ No newline at end of file
diff --git a/lib/editor/atto/yui/build/moodle-editor_atto-plugin/moodle-editor_atto-plugin-min.js b/lib/editor/atto/yui/build/moodle-editor_atto-plugin/moodle-editor_atto-plugin-min.js
index 4b36d0a3e6e..6e1881635a4 100644
--- a/lib/editor/atto/yui/build/moodle-editor_atto-plugin/moodle-editor_atto-plugin-min.js
+++ b/lib/editor/atto/yui/build/moodle-editor_atto-plugin/moodle-editor_atto-plugin-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-editor_atto-plugin",function(u,t){var n,i,r,a,o,l,h,c;function e(){e.superclass.constructor.apply(this,arguments)}function s(){}function d(){}n=".atto_group.",i="_group",u.extend(e,u.Base,{name:null,editor:null,toolbar:null,initializer:function(t){this.name=t.name,this.toolbar=t.toolbar,this.editor=t.editor,this.buttons={},this.buttonNames=[],this.buttonStates={},this.menus={},this._primaryKeyboardShortcut=[],this._buttonHandlers=[],this._menuHideHandlers=[],this._highlightQueue={}},markUpdated:function(){return this.get("host").saveSelection(),this.get("host").updateOriginal()}},{NAME:"editorPlugin",ATTRS:{host:{writeOnce:!0},group:{writeOnce:!0,getter:function(t){var e=this.toolbar.one(n+t+i);return e||(e=u.Node.create('<div class="atto_group '+t+i+'"></div>'),this.toolbar.append(e)),e}}}}),u.namespace("M.editor_atto").EditorPlugin=e,r='<button class="{{buttonClass}} atto_hasmenu" tabindex="-1" type="button" title="{{title}}"><span class="editor_atto_menu_icon"></span><span class="editor_atto_menu_expand"></span></button>',a="disabled",o="highlight",l=".editor_atto_content",h=".editor_atto_menu_icon",c=".editor_atto_menu_expand",s.ATTRS={},s.prototype={buttons:null,buttonNames:null,buttonStates:null,menus:null,DISABLED:0,ENABLED:1,_buttonHandlers:null,_menuHideHandlers:null,_primaryKeyboardShortcut:null,_highlightQueue:null,addButton:function(e){var n,i,o,t=this.get("group"),a=this.name,s="atto_"+a+"_button",r=this.get("host");return e.exec&&(s=s+"_"+e.exec),e.buttonName?s=s+"_"+e.buttonName:e.buttonName=e.exec||a,e.buttonClass=s,(e=this._normalizeIcon(e)).title||(e.title="pluginname"),i=M.util.get_string(e.title,"atto_"+a),(n=u.Node.create('<button type="button" class="'+s+'"tabindex="-1"></button>')).setAttribute("title",i),window.require(["core/templates"],function(t){t.renderPix(e.icon,e.iconComponent,i).then(function(t){n.append(t)})}),t.append(n),this.toolbar.getAttribute("aria-activedescendant")||(n.setAttribute("tabindex","0"),this.toolbar.setAttribute("aria-activedescendant",n.generateID()),this.get("host")._tabFocus=n),e=this._normalizeCallback(e),this._buttonHandlers.push(this.toolbar.delegate("click",e.callback,"."+s,this)),e.keys&&("undefined"!=typeof e.keyDescription&&(this._primaryKeyboardShortcut[s]=e.keyDescription),this._addKeyboardListener(e.callback,e.keys,s),this._primaryKeyboardShortcut[s]&&n.setAttribute("title",M.util.get_string("plugin_title_shortcut","editor_atto",{title:i,shortcut:this._primaryKeyboardShortcut[s]}))),e.tags&&(o=!0,"boolean"==typeof e.tagMatchRequiresAll&&(o=e.tagMatchRequiresAll),this._buttonHandlers.push(r.on(["atto:selectionchanged","change"],function(t){"undefined"!=typeof this._highlightQueue[e.buttonName]&&this._highlightQueue[e.buttonName].cancel(),this._highlightQueue[e.buttonName]=u.soon(u.bind(function(t){r.selectionFilterMatches(e.tags,t.selectedNodes,o)?this.highlightButtons(e.buttonName):this.unHighlightButtons(e.buttonName)},this,t))},this))),this.buttonNames.push(e.buttonName),this.buttons[e.buttonName]=n,this.buttonStates[e.buttonName]=this.ENABLED,n},addBasicButton:function(t){return t.exec?(t.icon||(t.icon="e/"+t.exec),t.callback=function(){document.execCommand(t.exec,!1,null),this.markUpdated()},this.addButton(t)):null},addToolbarMenu:function(e){var n,i,t,o=this.get("group"),a=this.name,s="atto_"+a+"_button";return e.buttonName?s=s+"_"+e.buttonName:e.buttonName=a,e.buttonClass=s,(e=this._normalizeIcon(e)).title||(e.title="pluginname"),i=M.util.get_string(e.title,"atto_"+a),e.menuColor||(e.menuColor="transparent"),t=u.Handlebars.compile(r),n=u.Node.create(t({buttonClass:s,config:e,title:i})),window.require(["core/templates"],function(t){t.renderPix(e.icon,e.iconComponent,i).then(function(t){n.one(h).append(t)}),t.renderPix("t/expanded","core","").then(function(t){n.one(c).append(t)})}),o.append(n),this.toolbar.getAttribute("aria-activedescendant")||(n.setAttribute("tabindex","0"),this.toolbar.setAttribute("aria-activedescendant",n.generateID())),this._buttonHandlers.push(this.toolbar.delegate("click",this._showToolbarMenu,"."+s,this,e),this.toolbar.delegate("key",this._showToolbarMenuAndFocus,"40, 32, enter","."+s,this,e)),this.buttonNames.push(e.buttonName),this.buttons[e.buttonName]=n,this.buttonStates[e.buttonName]=this.ENABLED,n},_showToolbarMenu:function(t,e){var n,i;t.preventDefault(),this.isEnabled()&&(t.currentTarget.ancestor("button",!0).hasAttribute(a)||(this.menus[e.buttonClass]||(e.overlayWidth||(e.overlayWidth="14"),e.innerOverlayWidth||(e.innerOverlayWidth=parseInt(e.overlayWidth,10)-2+"em"),e.overlayWidth=parseInt(e.overlayWidth,10)+"em",this.menus[e.buttonClass]=new u.M.editor_atto.Menu(e),this.menus[e.buttonClass].get("contentBox").delegate("click",this._chooseMenuItem,".atto_menuentry a",this,e)),u.Array.each(this.get("host").openMenus,function(t){t.set("focusAfterHide",null)}),(i=this.buttons[e.buttonName]).focus(),this.get("host")._setTabFocus(i),(n=this.menus[e.buttonClass]).set("focusAfterHide",i),n.show(),n.align(this.buttons[e.buttonName],[u.WidgetPositionAlign.TL,u.WidgetPositionAlign.BL]),this.get("host").openMenus=[n]))},_showToolbarMenuAndFocus:function(t,e){this._showToolbarMenu(t,e),this.menus[e.buttonClass].get("boundingBox").one("a").focus()},_chooseMenuItem:function(t,e,n){var i=t.target.ancestor("a",!0).getData("index"),o=this._normalizeCallback(e.items[i],e.globalItemConfig);(n=this.menus[e.buttonClass]).set("preventHideMenu",!0),o.callback(t,o._callback,o.callbackArgs),n.set("preventHideMenu",!1),n.set("focusAfterHide",this.get("host").editor),n.hide(t)},_normalizeCallback:function(n,t){return n._callbackNormalized||(t=t||{},n.inlineFormat=n.inlineFormat||t.inlineFormat,n._inlineCallback=n.callback||t.callback,n._callback=n.callback||t.callback,n.inlineFormat&&"function"==typeof n._inlineCallback&&(n._callback=function(t,e){this.get("host").applyFormat(t,n._inlineCallback,this,e)}),n.callback=u.rbind(this._callbackWrapper,this,n._callback,n.callbackArgs),
-n._callbackNormalized=!0),n},_normalizeIcon:function(t){return t.iconurl||(t.iconComponent&&"moodle"!=t.iconComponent||(t.iconComponent="core"),t.iconurl=M.util.image_url(t.icon,t.iconComponent)),t},_callbackWrapper:function(t,e,n){var i,o;if(t.preventDefault(),this.isEnabled()&&(!(i=t.currentTarget.ancestor("button",!0))||!i.hasAttribute(a)))return YUI.Env.UA.android||this.get("host").isActive()||this.get("host").focus(),this.get("host").saveSelection(),i&&this.get("host")._setTabFocus(i),o=[t,n],this.get("host").restoreSelection(),e.apply(this,o)},_addKeyboardListener:function(n,t,e){var i,o,a,s="key",r=l;if(u.Lang.isArray(t))return u.Array.each(t,function(t){this._addKeyboardListener(n,t)},this),this;o="object"==typeof t?(t.eventtype&&(s=t.eventtype),t.container&&(r=t.container),i=t.keyCodes,n):(a=this._getDefaultMetaKey(),i=this._getKeyEvent()+t+"+"+a,"undefined"==typeof this._primaryKeyboardShortcut[e]&&(this._primaryKeyboardShortcut[e]=this._getDefaultMetaKeyDescription(t)),u.bind(function(t,e){this._eventUsesExactKeyModifiers(t,e)&&n.apply(this,[e])},this,[a])),this._buttonHandlers.push(this.editor.delegate(s,o,i,r,this))},_eventUsesExactKeyModifiers:function(t,e){var n,i=!0;return"key"===e.type&&(n=-1<u.Array.indexOf(t,"alt"),i=i&&(e.altKey&&n||!e.altKey&&!n),n=-1<u.Array.indexOf(t,"ctrl"),i=i&&(e.ctrlKey&&n||!e.ctrlKey&&!n),n=-1<u.Array.indexOf(t,"meta"),i=i&&(e.metaKey&&n||!e.metaKey&&!n),n=-1<u.Array.indexOf(t,"shift"),i=i&&(e.shiftKey&&n||!e.shiftKey&&!n))},isEnabled:function(){return u.Object.some(this.buttonStates,function(t){return t===this.ENABLED},this)},disableButtons:function(t){return this._setButtonState(!1,t)},enableButtons:function(t){return this._setButtonState(!0,t)},_setButtonState:function(e,t){var n="setAttribute";return e&&(n="removeAttribute"),t?this.buttons[t]&&(this.buttons[t][n](a,a),this.buttonStates[t]=e?this.ENABLED:this.DISABLED):u.Array.each(this.buttonNames,function(t){this.buttons[t][n](a,a),this.buttonStates[t]=e?this.ENABLED:this.DISABLED},this),this.get("host").checkTabFocus(),this},highlightButtons:function(t){return this._changeButtonHighlight(!0,t)},unHighlightButtons:function(t){return this._changeButtonHighlight(!1,t)},_changeButtonHighlight:function(t,e){var n="addClass";return t||(n="removeClass"),e?this.buttons[e]&&this.buttons[e][n](o):u.Object.each(this.buttons,function(t){t[n](o)},this),this},_getDefaultMetaKey:function(){return"macintosh"===u.UA.os?"meta":"ctrl"},_getDefaultMetaKeyDescription:function(t){return"macintosh"===u.UA.os?M.util.get_string("editor_command_keycode","editor_atto",String.fromCharCode(t).toLowerCase()):M.util.get_string("editor_control_keycode","editor_atto",String.fromCharCode(t).toLowerCase())},_getKeyEvent:function(){return"down:"}},u.Base.mix(u.M.editor_atto.EditorPlugin,[s]),d.ATTRS={},d.prototype={_dialogue:null,getDialogue:function(t){var e,n;return e=!1,(t=t||{}).focusAfterHide&&(e=t.focusAfterHide,delete t.focusAfterHide),this._dialogue||(n=u.merge({visible:!1,modal:!0,close:!0,draggable:!0},t),this._dialogue=new M.core.dialogue(n)),!1!==e&&(!0===e?this._dialogue.set("focusAfterHide",this.buttons[this.buttonNames[0]]):"string"==typeof e?this._dialogue.set("focusAfterHide",this.buttons[e]):this._dialogue.set("focusAfterHide",e)),this._dialogue}},u.Base.mix(u.M.editor_atto.EditorPlugin,[d])},"@VERSION@",{requires:["node","base","escape","event","event-outside","handlebars","event-custom","timers","moodle-editor_atto-menu"]});
\ No newline at end of file
+YUI.add("moodle-editor_atto-plugin",function(u,h){var n,o,i,r,s,l;function t(){t.superclass.constructor.apply(this,arguments)}function e(){}function a(){}n="_group",u.extend(t,u.Base,{name:null,editor:null,toolbar:null,initializer:function(t){this.name=t.name,this.toolbar=t.toolbar,this.editor=t.editor,this.buttons={},this.buttonNames=[],this.buttonStates={},this.menus={},this._primaryKeyboardShortcut=[],this._buttonHandlers=[],this._menuHideHandlers=[],this._highlightQueue={}},markUpdated:function(){return this.get("host").saveSelection(),this.get("host").updateOriginal()}},{NAME:"editorPlugin",ATTRS:{host:{writeOnce:!0},group:{writeOnce:!0,getter:function(t){var e=this.toolbar.one(".atto_group."+t+n);return e||(e=u.Node.create('<div class="atto_group '+t+n+'"></div>'),this.toolbar.append(e)),e}}}}),u.namespace("M.editor_atto").EditorPlugin=t,o="disabled",i="highlight",r=".editor_atto_content",s=".editor_atto_menu_icon",l=".editor_atto_menu_expand",e.ATTRS={},e.prototype={buttons:null,buttonNames:null,buttonStates:null,menus:null,DISABLED:0,ENABLED:1,_buttonHandlers:null,_menuHideHandlers:null,_primaryKeyboardShortcut:null,_highlightQueue:null,addButton:function(e){var n,i,o,t=this.get("group"),a=this.name,s="atto_"+a+"_button",r=this.get("host");return e.exec&&(s=s+"_"+e.exec),e.buttonName?s=s+"_"+e.buttonName:e.buttonName=e.exec||a,e.buttonClass=s,(e=this._normalizeIcon(e)).title||(e.title="pluginname"),i=M.util.get_string(e.title,"atto_"+a),(n=u.Node.create('<button type="button" class="'+s+'"tabindex="-1"></button>')).setAttribute("title",i),window.require(["core/templates"],function(t){t.renderPix(e.icon,e.iconComponent,i).then(function(t){n.append(t)})}),t.append(n),this.toolbar.getAttribute("aria-activedescendant")||(n.setAttribute("tabindex","0"),this.toolbar.setAttribute("aria-activedescendant",n.generateID()),this.get("host")._tabFocus=n),e=this._normalizeCallback(e),this._buttonHandlers.push(this.toolbar.delegate("click",e.callback,"."+s,this)),e.keys&&("undefined"!=typeof e.keyDescription&&(this._primaryKeyboardShortcut[s]=e.keyDescription),this._addKeyboardListener(e.callback,e.keys,s),this._primaryKeyboardShortcut[s]&&n.setAttribute("title",M.util.get_string("plugin_title_shortcut","editor_atto",{title:i,shortcut:this._primaryKeyboardShortcut[s]}))),e.tags&&(o=!0,"boolean"==typeof e.tagMatchRequiresAll&&(o=e.tagMatchRequiresAll),this._buttonHandlers.push(r.on(["atto:selectionchanged","change"],function(t){"undefined"!=typeof this._highlightQueue[e.buttonName]&&this._highlightQueue[e.buttonName].cancel(),this._highlightQueue[e.buttonName]=u.soon(u.bind(function(t){r.selectionFilterMatches(e.tags,t.selectedNodes,o)?this.highlightButtons(e.buttonName):this.unHighlightButtons(e.buttonName)},this,t))},this))),this.buttonNames.push(e.buttonName),this.buttons[e.buttonName]=n,this.buttonStates[e.buttonName]=this.ENABLED,n},addBasicButton:function(t){return t.exec?(t.icon||(t.icon="e/"+t.exec),t.callback=function(){document.execCommand(t.exec,!1,null),this.markUpdated()},this.addButton(t)):null},addToolbarMenu:function(e){var n,i,t=this.get("group"),o=this.name,a="atto_"+o+"_button";return e.buttonName?a=a+"_"+e.buttonName:e.buttonName=o,e.buttonClass=a,(e=this._normalizeIcon(e)).title||(e.title="pluginname"),i=M.util.get_string(e.title,"atto_"+o),e.menuColor||(e.menuColor="transparent"),o=u.Handlebars.compile('<button class="{{buttonClass}} atto_hasmenu" tabindex="-1" type="button" title="{{title}}"><span class="editor_atto_menu_icon"></span><span class="editor_atto_menu_expand"></span></button>'),n=u.Node.create(o({buttonClass:a,config:e,title:i})),window.require(["core/templates"],function(t){t.renderPix(e.icon,e.iconComponent,i).then(function(t){n.one(s).append(t)}),t.renderPix("t/expanded","core","").then(function(t){n.one(l).append(t)})}),t.append(n),this.toolbar.getAttribute("aria-activedescendant")||(n.setAttribute("tabindex","0"),this.toolbar.setAttribute("aria-activedescendant",n.generateID())),this._buttonHandlers.push(this.toolbar.delegate("click",this._showToolbarMenu,"."+a,this,e),this.toolbar.delegate("key",this._showToolbarMenuAndFocus,"40, 32, enter","."+a,this,e)),this.buttonNames.push(e.buttonName),this.buttons[e.buttonName]=n,this.buttonStates[e.buttonName]=this.ENABLED,n},_showToolbarMenu:function(t,e){var n;t.preventDefault(),this.isEnabled()&&(t.currentTarget.ancestor("button",!0).hasAttribute(o)||(this.menus[e.buttonClass]||(e.overlayWidth||(e.overlayWidth="14"),e.innerOverlayWidth||(e.innerOverlayWidth=parseInt(e.overlayWidth,10)-2+"em"),e.overlayWidth=parseInt(e.overlayWidth,10)+"em",this.menus[e.buttonClass]=new u.M.editor_atto.Menu(e),this.menus[e.buttonClass].get("contentBox").delegate("click",this._chooseMenuItem,".atto_menuentry a",this,e)),u.Array.each(this.get("host").openMenus,function(t){t.set("focusAfterHide",null)}),(t=this.buttons[e.buttonName]).focus(),this.get("host")._setTabFocus(t),(n=this.menus[e.buttonClass]).set("focusAfterHide",t),n.show(),n.align(this.buttons[e.buttonName],[u.WidgetPositionAlign.TL,u.WidgetPositionAlign.BL]),this.get("host").openMenus=[n]))},_showToolbarMenuAndFocus:function(t,e){this._showToolbarMenu(t,e),this.menus[e.buttonClass].get("boundingBox").one("a").focus()},_chooseMenuItem:function(t,e,n){var i=t.target.ancestor("a",!0).getData("index"),i=this._normalizeCallback(e.items[i],e.globalItemConfig);(n=this.menus[e.buttonClass]).set("preventHideMenu",!0),i.callback(t,i._callback,i.callbackArgs),n.set("preventHideMenu",!1),n.set("focusAfterHide",this.get("host").editor),n.hide(t)},_normalizeCallback:function(n,t){return n._callbackNormalized||(t=t||{},n.inlineFormat=n.inlineFormat||t.inlineFormat,n._inlineCallback=n.callback||t.callback,n._callback=n.callback||t.callback,n.inlineFormat&&"function"==typeof n._inlineCallback&&(n._callback=function(t,e){this.get("host").applyFormat(t,n._inlineCallback,this,e)}),n.callback=u.rbind(this._callbackWrapper,this,n._callback,n.callbackArgs),n._callbackNormalized=!0),n},
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diff --git a/lib/editor/atto/yui/build/moodle-editor_atto-rangy/moodle-editor_atto-rangy-min.js b/lib/editor/atto/yui/build/moodle-editor_atto-rangy/moodle-editor_atto-rangy-min.js
index 12b3f6f1fea..ba7154066dc 100644
--- a/lib/editor/atto/yui/build/moodle-editor_atto-rangy/moodle-editor_atto-rangy-min.js
+++ b/lib/editor/atto/yui/build/moodle-editor_atto-rangy/moodle-editor_atto-rangy-min.js
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I(e,t){this.range=e;this.clonePartiallySelectedTextNodes=t;if(!e.collapsed){this.sc=e.startContainer;this.so=e.startOffset;this.ec=e.endContainer;this.eo=e.endOffset;var n=e.commonAncestorContainer;if(this.sc===this.ec&&d(this.sc)){this.isSingleCharacterDataNode=true;this._first=this._last=this._next=this.sc}else{this._first=this._next=this.sc===n&&!d(this.sc)?this.sc.childNodes[this.so]:h(this.sc,n,true);this._last=this.ec===n&&!d(this.ec)?this.ec.childNodes[this.eo-1]:h(this.ec,n,true)}}}I.prototype={_current:null,_next:null,_first:null,_last:null,isSingleCharacterDataNode:false,reset:function(){this._current=null;this._next=this._first},hasNext:function(){return!!this._next},next:function(){var e=this._current=this._next;if(e){this._next=e!==this._last?e.nextSibling:null;if(d(e)&&this.clonePartiallySelectedTextNodes){if(e===this.ec){(e=e.cloneNode(true)).deleteData(this.eo,e.length-this.eo)}if(this._current===this.sc){(e=e.cloneNode(true)).deleteData(0,this.so)}}}return e},remove:function(){var e=this._current,t,n;if(d(e)&&(e===this.sc||e===this.ec)){t=e===this.sc?this.so:0;n=e===this.ec?this.eo:e.length;if(t!=n){e.deleteData(t,n-t)}}else{if(e.parentNode){v(e)}else{}}},isPartiallySelectedSubtree:function(){var e=this._current;return R(e,this.range)},getSubtreeIterator:function(){var e;if(this.isSingleCharacterDataNode){e=this.range.cloneRange();e.collapse(false)}else{e=new me(C(this.range));var t=this._current;var n=t,r=0,i=t,o=g(t);if(c(t,this.sc)){n=this.sc;r=this.so}if(c(t,this.ec)){i=this.ec;o=this.eo}pe(e,n,r,i,o)}return new I(e,this.clonePartiallySelectedTextNodes)},detach:function(){this.range=this._current=this._next=this._first=this._last=this.sc=this.so=this.ec=this.eo=null}};var _=[1,3,4,5,7,8,10];var D=[2,9,11];var B=[5,6,10,12];var k=[1,3,4,5,7,8,10,11];var L=[1,3,4,5,7,8];function M(i){return function(e,t){var n,r=t?e:e.parentNode;while(r){n=r.nodeType;if(p(i,n)){return r}r=r.parentNode}return null}}var H=M([9,11]);var W=M(B);var z=M([6,10,12]);function F(e,t){if(z(e,t)){throw new o("INVALID_NODE_TYPE_ERR")}}function j(e,t){if(!p(t,e.nodeType)){throw new o("INVALID_NODE_TYPE_ERR")}}function V(e,t){if(t<0||t>(d(e)?e.length:e.childNodes.length)){throw new o("INDEX_SIZE_ERR")}}function U(e,t){if(H(e,true)!==H(t,true)){throw new o("WRONG_DOCUMENT_ERR")}}function $(e){if(W(e,true)){throw new o("NO_MODIFICATION_ALLOWED_ERR")}}function q(e,t){if(!e){throw new o(t)}}function G(e,t){return t<=(d(e)?e.length:e.childNodes.length)}function Y(e){return!!e.startContainer&&!!e.endContainer&&!(n&&(s.isBrokenNode(e.startContainer)||s.isBrokenNode(e.endContainer)))&&m(e.startContainer)==m(e.endContainer)&&G(e.startContainer,e.startOffset)&&G(e.endContainer,e.endOffset)}function Q(e){if(!Y(e)){throw new Error("Range error: Range is not valid. This usually happens after DOM mutation. Range: ("+e.inspect()+")")}}var K=document.createElement("style");var X=false;try{K.innerHTML="<b>x</b>";X=K.firstChild.nodeType==3}catch(ve){}a.features.htmlParsingConforms=X;var Z=X?function(e){var t=this.startContainer;var n=i(t);if(!t){throw new o("INVALID_STATE_ERR")}var r=null;if(t.nodeType==1){r=t}else if(d(t)){r=s.parentElement(t)}
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a=e==oe||e==ne?"start":"end";var s=e==re||e==ne?"start":"end";n=this[a+"Container"];r=this[a+"Offset"];i=t[s+"Container"];o=t[s+"Offset"];return l(n,r,i,o)},insertNode:function(e){Q(this);j(e,k);$(this.startContainer);if(c(e,this.startContainer)){throw new o("HIERARCHY_REQUEST_ERR")}var t=S(e,this.startContainer,this.startOffset);this.setStartBefore(t)},cloneContents:function(){Q(this);var e,t;if(this.collapsed){return C(this).createDocumentFragment()}else{if(this.startContainer===this.endContainer&&d(this.startContainer)){e=this.startContainer.cloneNode(true);e.data=e.data.slice(this.startOffset,this.endOffset);t=C(this).createDocumentFragment();t.appendChild(e);return t}else{var n=new I(this,true);e=w(n);n.detach()}return e}},canSurroundContents:function(){Q(this);$(this.startContainer);$(this.endContainer);var e=new I(this,true);var t=e._first&&R(e._first,this)||e._last&&R(e._last,this);e.detach();return!t},surroundContents:function(e){j(e,L);if(!this.canSurroundContents()){throw new o("INVALID_STATE_ERR")}var t=this.extractContents();if(e.hasChildNodes()){while(e.lastChild){e.removeChild(e.lastChild)}}S(e,this.startContainer,this.startOffset);e.appendChild(t);this.selectNode(e)},cloneRange:function(){Q(this);var e=new me(C(this));var t=te.length,n;while(t--){n=te[t];e[n]=this[n]}return e},toString:function(){Q(this);var e=this.startContainer;if(e===this.endContainer&&d(e)){return e.nodeType==3||e.nodeType==4?e.data.slice(this.startOffset,this.endOffset):""}else{var t=[],n=new I(this,true);O(n,function(e){if(e.nodeType==3||e.nodeType==4){t.push(e.data)}});n.detach();return t.join("")}},compareNode:function(e){Q(this);var t=e.parentNode;var n=f(e);if(!t){throw new o("NOT_FOUND_ERR")}var r=this.comparePoint(t,n),i=this.comparePoint(t,n+1);if(r<0){return i>0?ce:ae}else{return i>0?se:le}},comparePoint:function(e,t){Q(this);q(e,"HIERARCHY_REQUEST_ERR");U(e,this.startContainer);if(l(e,t,this.startContainer,this.startOffset)<0){return-1}else if(l(e,t,this.endContainer,this.endOffset)>0){return 1}return 0},createContextualFragment:Z,toHtml:function(){return ee(this)},intersectsNode:function(e,t){Q(this);if(m(e)!=N(this)){return false}var n=e.parentNode,r=f(e);if(!n){return true}var i=l(n,r,this.endContainer,this.endOffset),o=l(n,r+1,this.startContainer,this.startOffset);return t?i<=0&&o>=0:i<0&&o>0},isPointInRange:function(e,t){Q(this);q(e,"HIERARCHY_REQUEST_ERR");U(e,this.startContainer);return l(e,t,this.startContainer,this.startOffset)>=0&&l(e,t,this.endContainer,this.endOffset)<=0},intersectsRange:function(e){return T(this,e,false)},intersectsOrTouchesRange:function(e){return T(this,e,true)},intersection:function(e){if(this.intersectsRange(e)){var t=l(this.startContainer,this.startOffset,e.startContainer,e.startOffset),n=l(this.endContainer,this.endOffset,e.endContainer,e.endOffset);var r=this.cloneRange();if(t==-1){r.setStart(e.startContainer,e.startOffset)}if(n==1){r.setEnd(e.endContainer,e.endOffset)}return r}return null},union:function(e){if(this.intersectsOrTouchesRange(e)){var t=this.cloneRange();if(l(e.startContainer,e.startOffset,this.startContainer,this.startOffset)==-1){t.setStart(e.startContainer,e.startOffset)}if(l(e.endContainer,e.endOffset,this.endContainer,this.endOffset)==1){t.setEnd(e.endContainer,e.endOffset)}return t}else{throw new o("Ranges do not intersect")}},containsNode:function(e,t){if(t){return this.intersectsNode(e,false)}else{return this.compareNode(e)==le}},containsNodeContents:function(e){return this.comparePoint(e,0)>=0&&this.comparePoint(e,g(e))<=0},containsRange:function(e){var t=this.intersection(e);return t!==null&&e.equals(t)},containsNodeText:function(e){var t=this.cloneRange();t.selectNode(e);var n=t.getNodes([3]);if(n.length>0){t.setStart(n[0],0);var r=n.pop();t.setEnd(r,r.length);return this.containsRange(t)}else{return this.containsNodeContents(e)}},getNodes:function(e,t){Q(this);return b(this,e,t)},getDocument:function(){return C(this)},collapseBefore:function(e){this.setEndBefore(e);this.collapse(false)},collapseAfter:function(e){this.setStartAfter(e);this.collapse(true)},getBookmark:function(e){var t=C(this);var n=a.createRange(t);e=e||s.getBody(t);n.selectNodeContents(e);var r=this.intersection(n);var i=0,o=0;if(r){n.setEnd(r.startContainer,r.startOffset);i=n.toString().length;o=i+r.toString().length}return{start:i,end:o,containerNode:e}},moveToBookmark:function(e){var t=e.containerNode;var n=0;this.setStart(t,0);this.collapse(true);var r=[t],i,o=false,a=false;var s,c,l;while(!a&&(i=r.pop())){if(i.nodeType==3){s=n+i.length;if(!o&&e.start>=n&&e.start<=s){this.setStart(i,e.start-n);o=true}if(o&&e.end>=n&&e.end<=s){this.setEnd(i,e.end-n);a=true}n=s}else{l=i.childNodes;c=l.length;while(c--){r.push(l[c])}}}},getName:function(){return"DomRange"},equals:function(e){return me.rangesEqual(this,e)},isValid:function(){return Y(this)},inspect:function(){return P(this)},detach:function(){}});function ue(e){e.START_TO_START=ne;e.START_TO_END=re;e.END_TO_END=ie;e.END_TO_START=oe;e.NODE_BEFORE=ae
-;e.NODE_AFTER=se;e.NODE_BEFORE_AND_AFTER=ce;e.NODE_INSIDE=le}function de(e){ue(e);ue(e.prototype)}function fe(s,c){return function(){Q(this);var e=this.startContainer,t=this.startOffset,n=this.commonAncestorContainer;var r=new I(this,true);var i,o;if(e!==n){i=h(e,n,true);o=E(i);e=o.node;t=o.offset}O(r,$);r.reset();var a=s(r);r.detach();c(this,e,t,e,t);return a}}function he(e,u){function t(n,r){return function(e){j(e,_);j(m(e),D);var t=(n?y:E)(e);(r?i:o)(this,t.node,t.offset)}}function i(e,t,n){var r=e.endContainer,i=e.endOffset;if(t!==e.startContainer||n!==e.startOffset){if(m(t)!=m(r)||l(t,n,r,i)==1){r=t;i=n}u(e,t,n,r,i)}}function o(e,t,n){var r=e.startContainer,i=e.startOffset;if(t!==e.endContainer||n!==e.endOffset){if(m(t)!=m(r)||l(t,n,r,i)==-1){r=t;i=n}u(e,r,i,t,n)}}var n=function(){};n.prototype=a.rangePrototype;e.prototype=new n;r.extend(e.prototype,{setStart:function(e,t){F(e,true);V(e,t);i(this,e,t)},setEnd:function(e,t){F(e,true);V(e,t);o(this,e,t)},setStartAndEnd:function(){var e=arguments;var t=e[0],n=e[1],r=t,i=n;switch(e.length){case 3:i=e[2];break;case 4:r=e[2];i=e[3];break}u(this,t,n,r,i)},setBoundary:function(e,t,n){this["set"+(n?"Start":"End")](e,t)},setStartBefore:t(true,true),setStartAfter:t(false,true),setEndBefore:t(true,false),setEndAfter:t(false,false),collapse:function(e){Q(this);if(e){u(this,this.startContainer,this.startOffset,this.startContainer,this.startOffset)}else{u(this,this.endContainer,this.endOffset,this.endContainer,this.endOffset)}},selectNodeContents:function(e){F(e,true);u(this,e,0,e,g(e))},selectNode:function(e){F(e,false);j(e,_);var t=y(e),n=E(e);u(this,t.node,t.offset,n.node,n.offset)},extractContents:fe(A,u),deleteContents:fe(x,u),canSurroundContents:function(){Q(this);$(this.startContainer);$(this.endContainer);var e=new I(this,true);var t=e._first&&R(e._first,this)||e._last&&R(e._last,this);e.detach();return!t},splitBoundaries:function(){J(this)},splitBoundariesPreservingPositions:function(e){J(this,e)},normalizeBoundaries:function(){Q(this);var i=this.startContainer,o=this.startOffset,a=this.endContainer,s=this.endOffset;var e=function(e){var t=e.nextSibling;if(t&&t.nodeType==e.nodeType){a=e;s=e.length;e.appendData(t.data);v(t)}};var t=function(e){var t=e.previousSibling;if(t&&t.nodeType==e.nodeType){i=e;var n=e.length;o=t.length;e.insertData(0,t.data);v(t);if(i==a){s+=o;a=i}else if(a==e.parentNode){var r=f(e);if(s==r){a=e;s=n}else if(s>r){s--}}}};var n=true;var r;if(d(a)){if(s==a.length){e(a)}else if(s==0){r=a.previousSibling;if(r&&r.nodeType==a.nodeType){s=r.length;if(i==a){n=false}r.appendData(a.data);v(a);a=r}}}else{if(s>0){var c=a.childNodes[s-1];if(c&&d(c)){e(c)}}n=!this.collapsed}if(n){if(d(i)){if(o==0){t(i)}else if(o==i.length){r=i.nextSibling;if(r&&r.nodeType==i.nodeType){if(a==r){a=i;s+=i.length}i.appendData(r.data);v(r)}}}else{if(o<i.childNodes.length){var l=i.childNodes[o];if(l&&d(l)){t(l)}}}}else{i=a;o=s}u(this,i,o,a,s)},collapseToPoint:function(e,t){F(e,true);V(e,t);this.setStartAndEnd(e,t)}});de(e)}function ge(e){e.collapsed=e.startContainer===e.endContainer&&e.startOffset===e.endOffset;e.commonAncestorContainer=e.collapsed?e.startContainer:s.getCommonAncestor(e.startContainer,e.endContainer)}function pe(e,t,n,r,i){e.startContainer=t;e.startOffset=n;e.endContainer=r;e.endOffset=i;e.document=s.getDocument(t);ge(e)}function me(e){this.startContainer=e;this.startOffset=0;this.endContainer=e;this.endOffset=0;this.document=e;ge(this)}he(me,pe);r.extend(me,{rangeProperties:te,RangeIterator:I,copyComparisonConstants:de,createPrototypeRange:he,inspect:P,toHtml:ee,getRangeDocument:C,rangesEqual:function(e,t){return e.startContainer===t.startContainer&&e.startOffset===t.startOffset&&e.endContainer===t.endContainer&&e.endOffset===t.endOffset}});a.DomRange=me}),N.createCoreModule("WrappedRange",["DomRange"],function(f,h){var g,e;var E=f.dom;var p=f.util;var S=E.DomPosition;var m=f.DomRange;var v=E.getBody;var R=E.getContentDocument;var T=E.isCharacterDataNode;if(f.features.implementsDomRange){(function(){var e;var r=m.rangeProperties;function i(e){var t=r.length,n;while(t--){n=r[t];e[n]=e.nativeRange[n]}e.collapsed=e.startContainer===e.endContainer&&e.startOffset===e.endOffset}function t(e,t,n,r,i){var o=e.startContainer!==t||e.startOffset!=n;var a=e.endContainer!==r||e.endOffset!=i;var s=!e.equals(e.nativeRange);if(o||a||s){e.setEnd(r,i);e.setStart(t,n)}}var n;g=function(e){if(!e){throw h.createError("WrappedRange: Range must be specified")}this.nativeRange=e;i(this)};m.createPrototypeRange(g,t);e=g.prototype;e.selectNode=function(e){this.nativeRange.selectNode(e);i(this)};e.cloneContents=function(){return this.nativeRange.cloneContents()};e.surroundContents=function(e){this.nativeRange.surroundContents(e);i(this)};e.collapse=function(e){this.nativeRange.collapse(e);i(this)};e.cloneRange=function(){return new g(this.nativeRange.cloneRange())};e.refresh=function(){i(this)};e.toString=function(){return this.nativeRange.toString()};var o=document.createTextNode("test");v(document).appendChild(o);var a=document.createRange();a.setStart(o,0);a.setEnd(o,0);try{a.setStart(o,1);e.setStart=function(e,t){this.nativeRange.setStart(e,t);i(this)};e.setEnd=function(e,t){this.nativeRange.setEnd(e,t);i(this)};n=function(t){return function(e){this.nativeRange[t](e);i(this)}}}catch(d){e.setStart=function(e,t){try{this.nativeRange.setStart(e,t)}catch(d){this.nativeRange.setEnd(e,t);this.nativeRange.setStart(e,t)}i(this)};e.setEnd=function(e,t){try{this.nativeRange.setEnd(e,t)}catch(d){this.nativeRange.setStart(e,t);this.nativeRange.setEnd(e,t)}i(this)};n=function(t,n){return function(e){try{this.nativeRange[t](e)}catch(d){this.nativeRange[n](e);this.nativeRange[t](e)}i(this)}}}e.setStartBefore=n("setStartBefore","setEndBefore");e.setStartAfter=n("setStartAfter","setEndAfter");e.setEndBefore=n("setEndBefore","setStartBefore");e.setEndAfter=n("setEndAfter","setStartAfter");e.selectNodeContents=function(e){this.setStartAndEnd(e,0,E.getNodeLength(e))}
-;a.selectNodeContents(o);a.setEnd(o,3);var s=document.createRange();s.selectNodeContents(o);s.setEnd(o,4);s.setStart(o,2);if(a.compareBoundaryPoints(a.START_TO_END,s)==-1&&a.compareBoundaryPoints(a.END_TO_START,s)==1){e.compareBoundaryPoints=function(e,t){t=t.nativeRange||t;if(e==t.START_TO_END){e=t.END_TO_START}else if(e==t.END_TO_START){e=t.START_TO_END}return this.nativeRange.compareBoundaryPoints(e,t)}}else{e.compareBoundaryPoints=function(e,t){return this.nativeRange.compareBoundaryPoints(e,t.nativeRange||t)}}var c=document.createElement("div");c.innerHTML="123";var l=c.firstChild;var u=v(document);u.appendChild(c);a.setStart(l,1);a.setEnd(l,2);a.deleteContents();if(l.data=="13"){e.deleteContents=function(){this.nativeRange.deleteContents();i(this)};e.extractContents=function(){var e=this.nativeRange.extractContents();i(this);return e}}else{}u.removeChild(c);u=null;if(p.isHostMethod(a,"createContextualFragment")){e.createContextualFragment=function(e){return this.nativeRange.createContextualFragment(e)}}v(document).removeChild(o);e.getName=function(){return"WrappedRange"};f.WrappedRange=g;f.createNativeRange=function(e){e=R(e,h,"createNativeRange");return e.createRange()}})()}if(f.features.implementsTextRange){var i=function(e){var t=e.parentElement();var n=e.duplicate();n.collapse(true);var r=n.parentElement();n=e.duplicate();n.collapse(false);var i=n.parentElement();var o=r==i?r:E.getCommonAncestor(r,i);return o==t?o:E.getCommonAncestor(t,o)};var o=function(e){return e.compareEndPoints("StartToEnd",e)==0};var a=function(e,t,n,r,i){var o=e.duplicate();o.collapse(n);var a=o.parentElement();if(!E.isOrIsAncestorOf(t,a)){a=t}if(!a.canHaveHTML){var s=new S(a.parentNode,E.getNodeIndex(a));return{boundaryPosition:s,nodeInfo:{nodeIndex:s.offset,containerElement:s.node}}}var c=E.getDocument(a).createElement("span");if(c.parentNode){E.removeNode(c)}var l,u=n?"StartToStart":"StartToEnd";var d,f,h,g;var p=i&&i.containerElement==a?i.nodeIndex:0;var 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l=T(e.node);if(l){n=e.node;r=n.parentNode}else{s=e.node.childNodes;n=i<s.length?s[i]:null;r=e.node}a=o.createElement("span");a.innerHTML="&#feff;";if(n){r.insertBefore(a,n)}else{r.appendChild(a)}c.moveToElementText(a);c.collapse(!t);r.removeChild(a);if(l){c[t?"moveStart":"moveEnd"]("character",i)}return c};e=function(e){this.textRange=e;this.refresh()};e.prototype=new m(document);e.prototype.refresh=function(){var e,t,n;var r=i(this.textRange);if(o(this.textRange)){t=e=a(this.textRange,r,true,true).boundaryPosition}else{n=a(this.textRange,r,true,false);e=n.boundaryPosition;t=a(this.textRange,r,false,false,n.nodeInfo).boundaryPosition}this.setStart(e.node,e.offset);this.setEnd(t.node,t.offset)};e.prototype.getName=function(){return"WrappedTextRange"};m.copyComparisonConstants(e);var t=function(e){if(e.collapsed){return s(new S(e.startContainer,e.startOffset),true)}else{var t=s(new S(e.startContainer,e.startOffset),true);var n=s(new S(e.endContainer,e.endOffset),false);var 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i=E(e);for(var o=0;o<t;++o){r[o]=e.getRangeAt(o)}var a=f.createTestElement(document,"",false);var s=a.appendChild(document.createTextNode("   "));var c=document.createRange();c.setStart(s,1);c.collapse(true);e.removeAllRanges();e.addRange(c);D=e.rangeCount==1;e.removeAllRanges();if(!n){var l=window.navigator.appVersion.match(/Chrome\/(.*?) /);if(l&&parseInt(l[1])>=36){_=false}else{var u=c.cloneRange();c.setStart(s,0);u.setEnd(s,3);u.setStart(s,2);e.addRange(c);e.addRange(u);_=e.rangeCount==2}}f.removeNode(a);e.removeAllRanges();for(o=0;o<t;++o){if(o==0&&i){if(B){B(e,r[o])}else{d.warn("Rangy initialization: original selection was backwards but selection has been restored forwards because the browser does not support Selection.extend");e.addRange(r[o])}}else{e.addRange(r[o])}}}})()}h.selectionSupportsMultipleRanges=_;h.collapsedNonEditableSelectionsSupported=D;var k=false,L;if(A&&r(A,"createControlRange")){L=A.createControlRange();if(n.areHostProperties(L,["item","add"])){k=true}}h.implementsControlRange=k;if(b){u=function(e){return e.anchorNode===e.focusNode&&e.anchorOffset===e.focusOffset}}else{u=function(e){return e.rangeCount?e.getRangeAt(e.rangeCount-1).collapsed:false}}function M(e,t,n){var r=n?"end":"start",i=n?"start":"end";e.anchorNode=t[r+"Container"];e.anchorOffset=t[r+"Offset"];e.focusNode=t[i+"Container"];e.focusOffset=t[i+"Offset"]}function H(e){var t=e.nativeSelection;e.anchorNode=t.anchorNode;e.anchorOffset=t.anchorOffset;e.focusNode=t.focusNode;e.focusOffset=t.focusOffset}function W(e){e.anchorNode=e.focusNode=null;e.anchorOffset=e.focusOffset=0;e.rangeCount=0;e.isCollapsed=true;e._ranges.length=0}function z(e){var t;if(e instanceof s){t=d.createNativeRange(e.getDocument());t.setEnd(e.endContainer,e.endOffset);t.setStart(e.startContainer,e.startOffset)}else if(e instanceof a){t=e.nativeRange}else if(h.implementsDomRange&&e 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n=m(e).createTextRange();n.select();this.docSelection.empty()}}}catch(r){}W(this)};J.addRange=function(e){if(this.docSelection.type==g){q(this,e)}else{d.WrappedTextRange.rangeToTextRange(e).select();this._ranges[0]=e;this.rangeCount=1;this.isCollapsed=this._ranges[0].collapsed;M(this,e,false)}};J.setRanges=function(e){this.removeAllRanges();var t=e.length;if(t>1){ee(this,e)}else if(t){this.addRange(e[0])}}}else{l.fail("No means of selecting a Range or TextRange was found");return false}J.getRangeAt=function(e){if(e<0||e>=this.rangeCount){throw new i("INDEX_SIZE_ERR")}else{return this._ranges[e].cloneRange()}};var ne;if(w){ne=function(e){var t;if(d.isSelectionValid(e.win)){t=e.docSelection.createRange()}else{t=m(e.win.document).createTextRange();t.collapse(true)}if(e.docSelection.type==g){$(e)}else if(V(t)){U(e,t)}else{W(e)}}}else if(r(O,"getRangeAt")&&typeof 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t,n=e.previousSibling;n&&n.nodeType==e.nodeType&&(t=(r=e).length,o=n.length,e.insertData(0,n.data),H(n),r==i?(a+=o,i=r):i==e.parentNode&&(n=h(e),a==n?(i=e,a=t):n<a&&a--))},n=!0,u(i)?a==i.length?e(i):0==a&&(s=i.previousSibling)&&s.nodeType==i.nodeType&&(a=s.length,r==i&&(n=!1),s.appendData(i.data),H(i),i=s):(0<a&&(c=i.childNodes[a-1])&&u(c)&&e(c),n=!this.collapsed),n?u(r)?0==o?t(r):o==r.length&&(s=r.nextSibling)&&s.nodeType==r.nodeType&&(i==s&&(a+=(i=r).length),r.appendData(s.data),H(s)):o<r.childNodes.length&&(l=r.childNodes[o])&&u(l)&&t(l):(r=i,o=a),d(this,r,o,i,a)},collapseToPoint:function(e,t){Q(e,!0),X(e,t),this.setStartAndEnd(e,t)}}),ae(e)}function le(e){e.collapsed=e.startContainer===e.endContainer&&e.startOffset===e.endOffset,e.commonAncestorContainer=e.collapsed?e.startContainer:s.getCommonAncestor(e.startContainer,e.endContainer)}function de(e,t,n,r,o){e.startContainer=t,e.startOffset=n,e.endContainer=r,e.endOffset=o,e.document=s.getDocument(t),le(e)}function 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g(this),this.collapsed?d(this).createDocumentFragment():this.startContainer===this.endContainer&&u(this.startContainer)?((e=this.startContainer.cloneNode(!0)).data=e.data.slice(this.startOffset,this.endOffset),(t=d(this).createDocumentFragment()).appendChild(e),t):(e=function o(e){for(var t,n,r=d(e.range).createDocumentFragment();t=e.next();){if(n=e.isPartiallySelectedSubtree(),t=t.cloneNode(!n),n&&(n=e.getSubtreeIterator(),t.appendChild(o(n)),n.detach()),10==t.nodeType)throw new a("HIERARCHY_REQUEST_ERR");r.appendChild(t)}return r}(t=new f(this,!0)),t.detach(),e)},canSurroundContents:function(){var e,t;return g(this),J(this.startContainer),J(this.endContainer),t=(e=new f(this,!0))._first&&W(e._first,this)||e._last&&W(e._last,this),e.detach(),!t},surroundContents:function(e){if(K(e,n),!this.canSurroundContents())throw new a("INVALID_STATE_ERR");var t=this.extractContents();if(e.hasChildNodes())for(;e.lastChild;)e.removeChild(e.lastChild);V(e,this.startContainer,this.startOffset),e.appendChild(t),this.selectNode(e)},cloneRange:function(){var e,t,n;for(g(this),e=new ue(d(this)),t=N.length;t--;)e[n=N[t]]=this[n];return e},toString:function(){var t,e;return g(this),(e=this.startContainer)===this.endContainer&&u(e)?3==e.nodeType||4==e.nodeType?e.data.slice(this.startOffset,this.endOffset):"":(t=[],U(e=new f(this,!0),function(e){3!=e.nodeType&&4!=e.nodeType||t.push(e.data)}),e.detach(),t.join(""))},compareNode:function(e){var t,n;if(g(this),n=e.parentNode,e=h(e),!n)throw new a("NOT_FOUND_ERR");return t=this.comparePoint(n,e),n=this.comparePoint(n,e+1),t<0?0<n?x:w:0<n?O:A},comparePoint:function(e,t){return g(this),ee(e,"HIERARCHY_REQUEST_ERR"),Z(e,this.startContainer),c(e,t,this.startContainer,this.startOffset)<0?-1:0<c(e,t,this.endContainer,this.endOffset)?1:0},createContextualFragment:v?function(e){var t,n=this.startContainer,r=_(n);if(!n)throw new a("INVALID_STATE_ERR");return t=null,1==n.nodeType?t=n:u(n)&&(t=s.parentElement(n)),(t=null===t||"HTML"==t.nodeName&&s.isHtmlNamespace(_(t).documentElement)&&s.isHtmlNamespace(t)?r.createElement("body"):t.cloneNode(!1)).innerHTML=e,s.fragmentFromNodeChildren(t)}:function(e){var t=d(this),t=t.createElement("body");return t.innerHTML=e,s.fragmentFromNodeChildren(t)},toHtml:function(){return oe(this)},intersectsNode:function(e,t){var n,r;return g(this),l(e)==l(this.startContainer)&&(r=e.parentNode,e=h(e),!r||(n=c(r,e,this.endContainer,this.endOffset),r=c(r,e+1,this.startContainer,this.startOffset),t?n<=0&&0<=r:n<0&&0<r))},isPointInRange:function(e,t){return g(this),ee(e,"HIERARCHY_REQUEST_ERR"),Z(e,this.startContainer),0<=c(e,t,this.startContainer,this.startOffset)&&c(e,t,this.endContainer,this.endOffset)<=0},intersectsRange:function(e){return j(this,e,!1)},intersectsOrTouchesRange:function(e){return j(this,e,!0)},intersection:function(e){var t,n,r;return this.intersectsRange(e)?(t=c(this.startContainer,this.startOffset,e.startContainer,e.startOffset),n=c(this.endContainer,this.endOffset,e.endContainer,e.endOffset),r=this.cloneRange(),-1==t&&r.setStart(e.startContainer,e.startOffset),1==n&&r.setEnd(e.endContainer,e.endOffset),r):null},union:function(e){var t;if(this.intersectsOrTouchesRange(e))return t=this.cloneRange(),-1==c(e.startContainer,e.startOffset,this.startContainer,this.startOffset)&&t.setStart(e.startContainer,e.startOffset),1==c(e.endContainer,e.endOffset,this.endContainer,this.endOffset)&&t.setEnd(e.endContainer,e.endOffset),t;throw new a("Ranges do not intersect")},containsNode:function(e,t){return t?this.intersectsNode(e,!1):this.compareNode(e)==A},containsNodeContents:function(e){
+return 0<=this.comparePoint(e,0)&&this.comparePoint(e,k(e))<=0},containsRange:function(e){var t=this.intersection(e);return null!==t&&e.equals(t)},containsNodeText:function(e){var t,n=this.cloneRange();return n.selectNode(e),0<(t=n.getNodes([3])).length?(n.setStart(t[0],0),t=t.pop(),n.setEnd(t,t.length),this.containsRange(n)):this.containsNodeContents(e)},getNodes:function(e,t){return g(this),n=this,r=t,a=!(!(t=e)||!t.length),s=!!r,a&&(o=new RegExp("^("+t.join("|")+")$")),U(new f(n,!(i=[])),function(e){var t;a&&!o.test(e.nodeType)||s&&!r(e)||e==(t=n.startContainer)&&u(t)&&n.startOffset==t.length||e==(t=n.endContainer)&&u(t)&&0==n.endOffset||i.push(e)}),i;var n,r,o,i,a,s},getDocument:function(){return d(this)},collapseBefore:function(e){this.setEndBefore(e),this.collapse(!1)},collapseAfter:function(e){this.setStartAfter(e),this.collapse(!0)},getBookmark:function(e){var t,n,r=d(this),o=i.createRange(r);return e=e||s.getBody(r),o.selectNodeContents(e),n=r=0,(t=this.intersection(o))&&(o.setEnd(t.startContainer,t.startOffset),n=(r=o.toString().length)+t.toString().length),{start:r,end:n,containerNode:e}},moveToBookmark:function(e){var t,n,r,o,i,a,s,c=e.containerNode,l=0;for(this.setStart(c,0),this.collapse(!0),o=r=!(t=[c]);!o&&(n=t.pop());)if(3==n.nodeType)i=l+n.length,!r&&e.start>=l&&e.start<=i&&(this.setStart(n,e.start-l),r=!0),r&&e.end>=l&&e.end<=i&&(this.setEnd(n,e.end-l),o=!0),l=i;else for(a=(s=n.childNodes).length;a--;)t.push(s[a])},getName:function(){return"DomRange"},equals:function(e){return ue.rangesEqual(this,e)},isValid:function(){return ne(this)},inspect:function(){return Y(this)},detach:function(){}}),ce(ue,de),b.extend(ue,{rangeProperties:N,RangeIterator:f,copyComparisonConstants:ae,createPrototypeRange:ce,inspect:Y,toHtml:oe,getRangeDocument:d,rangesEqual:function(e,t){return e.startContainer===t.startContainer&&e.startOffset===t.startOffset&&e.endContainer===t.endContainer&&e.endOffset===t.endOffset}}),i.DomRange=ue}),f.createCoreModule("WrappedRange",["DomRange"],function(n,c){var l,d,u,h,f,g,R=n.dom,p=n.util,C=R.DomPosition,m=n.DomRange,v=R.getBody,N=R.getContentDocument,y=R.isCharacterDataNode;if(n.features.implementsDomRange){var e,t,r,o,i,E,S=m.rangeProperties;function a(e){for(var t,n=S.length;n--;)e[t=S[n]]=e.nativeRange[t];e.collapsed=e.startContainer===e.endContainer&&e.startOffset===e.endOffset}m.createPrototypeRange(l=function(e){if(!e)throw c.createError("WrappedRange: Range must be specified");this.nativeRange=e,a(this)},function(e,t,n,r,o){var i=e.startContainer!==t||e.startOffset!=n,a=e.endContainer!==r||e.endOffset!=o,s=!e.equals(e.nativeRange);(i||a||s)&&(e.setEnd(r,o),e.setStart(t,n))}),(e=l.prototype).selectNode=function(e){this.nativeRange.selectNode(e),a(this)},e.cloneContents=function(){return this.nativeRange.cloneContents()},e.surroundContents=function(e){this.nativeRange.surroundContents(e),a(this)},e.collapse=function(e){this.nativeRange.collapse(e),a(this)},e.cloneRange=function(){return new l(this.nativeRange.cloneRange())},e.refresh=function(){a(this)},e.toString=function(){return this.nativeRange.toString()},t=document.createTextNode("test"),v(document).appendChild(t),(r=document.createRange()).setStart(t,0),r.setEnd(t,0);try{r.setStart(t,1),e.setStart=function(e,t){this.nativeRange.setStart(e,t),a(this)},e.setEnd=function(e,t){this.nativeRange.setEnd(e,t),a(this)},o=function(t){return function(e){this.nativeRange[t](e),a(this)}}}catch(s){e.setStart=function(e,t){try{this.nativeRange.setStart(e,t)}catch(s){this.nativeRange.setEnd(e,t),this.nativeRange.setStart(e,t)}a(this)},e.setEnd=function(e,t){try{this.nativeRange.setEnd(e,t)}catch(s){this.nativeRange.setStart(e,t),this.nativeRange.setEnd(e,t)}a(this)},o=function(t,n){return function(e){try{this.nativeRange[t](e)}catch(s){this.nativeRange[n](e),this.nativeRange[t](e)}a(this)}}}e.setStartBefore=o("setStartBefore","setEndBefore"),e.setStartAfter=o("setStartAfter","setEndAfter"),e.setEndBefore=o("setEndBefore","setStartBefore"),e.setEndAfter=o("setEndAfter","setStartAfter"),e.selectNodeContents=function(e){this.setStartAndEnd(e,0,R.getNodeLength(e))},r.selectNodeContents(t),r.setEnd(t,3),(o=document.createRange()).selectNodeContents(t),o.setEnd(t,4),o.setStart(t,2),-1==r.compareBoundaryPoints(r.START_TO_END,o)&&1==r.compareBoundaryPoints(r.END_TO_START,o)?e.compareBoundaryPoints=function(e,t){return e==(t=t.nativeRange||t).START_TO_END?e=t.END_TO_START:e==t.END_TO_START&&(e=t.START_TO_END),this.nativeRange.compareBoundaryPoints(e,t)}:e.compareBoundaryPoints=function(e,t){return this.nativeRange.compareBoundaryPoints(e,t.nativeRange||t)},(o=document.createElement("div")).innerHTML="123",i=o.firstChild,(E=v(document)).appendChild(o),r.setStart(i,1),r.setEnd(i,2),r.deleteContents(),"13"==i.data&&(e.deleteContents=function(){this.nativeRange.deleteContents(),a(this)},e.extractContents=function(){var e=this.nativeRange.extractContents();return a(this),e}),E.removeChild(o),E=null,p.isHostMethod(r,"createContextualFragment")&&(e.createContextualFragment=function(e){return this.nativeRange.createContextualFragment(e)}),v(document).removeChild(t),e.getName=function(){return"WrappedRange"},n.WrappedRange=l,n.createNativeRange=function(e){return(e=N(e,c,"createNativeRange")).createRange()}}n.features.implementsTextRange&&(d=function(e){var t,n=e.parentElement(),r=e.duplicate();return r.collapse(!0),t=r.parentElement(),(r=e.duplicate()).collapse(!1),(r=t==(e=r.parentElement())?t:R.getCommonAncestor(t,e))==n?r:R.getCommonAncestor(n,r)},u=function(e){return 0==e.compareEndPoints("StartToEnd",e)},h=function(d,e,t,u,n){var r,o,h,f,g,i,p,a,s,m,c,l=d.duplicate();if(l.collapse(t),r=l.parentElement(),!(r=R.isOrIsAncestorOf(e,r)?r:e).canHaveHTML)return{boundaryPosition:e=new C(r.parentNode,R.getNodeIndex(r)),nodeInfo:{nodeIndex:e.offset,containerElement:e.node}};for((o=R.getDocument(r).createElement("span")).parentNode&&R.removeNode(o),f=t?"StartToStart":"StartToEnd",i=n&&n.containerElement==r?n.nodeIndex:0,
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e.innerHTML="&#feff;",n?s.insertBefore(e,n):s.appendChild(e),i.moveToElementText(e),i.collapse(!t),s.removeChild(e),a&&i[t?"moveStart":"moveEnd"]("character",r),i},((i=function(e){this.textRange=e,this.refresh()}).prototype=new m(document)).refresh=function(){var e,t,n=d(this.textRange),n=u(this.textRange)?e=h(this.textRange,n,!0,!0).boundaryPosition:(e=(t=h(this.textRange,n,!0,!1)).boundaryPosition,h(this.textRange,n,!1,!1,t.nodeInfo).boundaryPosition);this.setStart(e.node,e.offset),this.setEnd(n.node,n.offset)},i.prototype.getName=function(){return"WrappedTextRange"},m.copyComparisonConstants(i),i.rangeToTextRange=g=function(e){var t,n;return e.collapsed?f(new C(e.startContainer,e.startOffset),!0):(t=f(new C(e.startContainer,e.startOffset),!0),n=f(new C(e.endContainer,e.endOffset),!1),(e=v(m.getRangeDocument(e)).createTextRange()).setEndPoint("StartToStart",t),e.setEndPoint("EndToEnd",n),e)},i.prototype.toTextRange=function(){return g(this)},n.WrappedTextRange=i,n.features.implementsDomRange&&!n.config.preferTextRange||("undefined"==typeof(o=Function("return this;")()).Range&&(o.Range=i),n.createNativeRange=function(e){return e=N(e,c,"createNativeRange"),v(e).createTextRange()},n.WrappedRange=i)),n.createRange=function(e){return e=N(e,c,"createRange"),new n.WrappedRange(n.createNativeRange(e))},n.createRangyRange=function(e){return e=N(e,c,"createRangyRange"),new m(e)},p.createAliasForDeprecatedMethod(n,"createIframeRange","createRange"),p.createAliasForDeprecatedMethod(n,"createIframeRangyRange","createRangyRange"),n.addShimListener(function(e){var t=e.document;"undefined"==typeof t.createRange&&(t.createRange=function(){return n.createRange(t)}),t=null})}),f.createCoreModule("WrappedSelection",["DomRange","WrappedRange"],function(i,c){var d,u,a,h,f,g,p,m,R,C,v,n,N,l,y,E,S,T,e,w,O,x,A,b,P,I,_,s,D,B,k,L,M,H,W;function z(e){return"string"==typeof e?/^backward(s)?$/i.test(e):!!e}function F(e,t){return e?a.isWindow(e)?e:e instanceof oe?e.win:(e=a.getContentDocument(e,c,t),a.getWindow(e)):window}function V(e){return F(e,"getDocSelection").document.selection}function j(e){var t=!1;return t=e.anchorNode?1==a.comparePoints(e.anchorNode,e.anchorOffset,e.focusNode,e.focusOffset):t}if(i.config.checkSelectionRanges=!0,d="boolean",u="number",a=i.dom,f=(h=i.util).isHostMethod,g=i.DomRange,p=i.WrappedRange,m=i.DOMException,R=a.DomPosition,n=i.features,N="Control",l=a.getDocument,y=a.getBody,E=g.rangesEqual,e=f(window,"getSelection"),S=h.isHostObject(document,"selection"),n.implementsWinGetSelection=e,T=(n.implementsDocSelection=S)&&(!e||i.config.preferTextRange))C=V,i.isSelectionValid=function(e){var e=F(e,"isSelectionValid").document,t=e.selection;return"None"!=t.type||l(t.createRange().parentElement())==e};else{if(!e)return c.fail("Neither document.selection or window.getSelection() detected."),!1;C=function(e){return F(e,"getWinSelection").getSelection()},i.isSelectionValid=function(){return!0}}if(!(e=(i.getNativeSelection=C)()))return c.fail("Native selection was null (possibly issue 138?)"),!1;if(w=i.createNativeRange(document),O=y(document),x=h.areHostProperties(e,["anchorNode","focusNode","anchorOffset","focusOffset"]),n.selectionHasAnchorAndFocus=x,A=f(e,"extend"),n.selectionHasExtend=A,b=typeof e.rangeCount==u,n.selectionHasRangeCount=b,I=!(P=!1),_=A?function(e,t){var n=g.getRangeDocument(t),n=i.createRange(n);n.collapseToPoint(t.endContainer,t.endOffset),e.addRange(Z(n)),e.extend(t.startContainer,t.startOffset)}:null,h.areHostMethods(e,["addRange","getRangeAt","removeAllRanges"])&&typeof e.rangeCount==u&&n.implementsDomRange){var U,$,q,t,Y,G,r,Q,o=window.getSelection();if(o){for(Q=1<(U=o.rangeCount),$=[],q=j(o),t=0;t<U;++t)$[t]=o.getRangeAt(t);for(G=(Y=a.createTestElement(document,"",!1)).appendChild(document.createTextNode("   ")),(r=document.createRange()).setStart(G,1),r.collapse(!0),o.removeAllRanges(),o.addRange(r),I=1==o.rangeCount,o.removeAllRanges(),Q||(Q=window.navigator.appVersion.match(/Chrome\/(.*?) /),P=!(Q&&36<=parseInt(Q[1]))&&(Q=r.cloneRange(),r.setStart(G,0),Q.setEnd(G,3),Q.setStart(G,2),o.addRange(r),o.addRange(Q),2==o.rangeCount)),a.removeNode(Y),o.removeAllRanges(),t=0;t<U;++t)0==t&&q?_?_(o,$[t]):(i.warn("Rangy initialization: original selection was backwards but selection has been restored forwards because the browser does not support Selection.extend"),o.addRange($[t])):o.addRange($[t])}}function K(e,t,n){var r=n?"end":"start",n=n?"start":"end";e.anchorNode=t[r+"Container"],e.anchorOffset=t[r+"Offset"],e.focusNode=t[n+"Container"],e.focusOffset=t[n+"Offset"]}function X(e){e.anchorNode=e.focusNode=null,e.anchorOffset=e.focusOffset=0,e.rangeCount=0,e.isCollapsed=!0,e._ranges.length=0}function Z(e){var t;return e instanceof g?((t=i.createNativeRange(e.getDocument())).setEnd(e.endContainer,e.endOffset),t.setStart(e.startContainer,e.startOffset)):e instanceof p?t=e.nativeRange:n.implementsDomRange&&e instanceof a.getWindow(e.startContainer).Range&&(t=e),t}function J(e){var t=e.getNodes();if(!function(e){if(
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e.anchorNode===e.focusNode&&e.anchorOffset===e.focusOffset}:function(e){return!!e.rangeCount&&e.getRangeAt(e.rangeCount-1).collapsed},f(e,"getRangeAt")?D=function(e,t){try{return e.getRangeAt(t)}catch(n){return null}}:x&&(D=function(e){var t=l(e.anchorNode),t=i.createRange(t);return t.setStartAndEnd(e.anchorNode,e.anchorOffset,e.focusNode,e.focusOffset),t.collapsed!==this.isCollapsed&&t.setStartAndEnd(e.focusNode,e.focusOffset,e.anchorNode,e.anchorOffset),t}),oe.prototype=i.selectionPrototype,B=[],i.getSelection=k=function(e){var t,n,r;return e&&e instanceof oe?(e.refresh(),e):(t=ae(e=F(e,"getNativeSelection")),n=C(e),r=S?V(e):null,t?(t.nativeSelection=n,t.docSelection=r,t.refresh()):(t=new 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t=0,n=e.length;t<n;++t)this.addRange(e[t])}};else{if(!(f(e,"empty")&&f(w,"select")&&s&&T))return c.fail("No means of selecting a Range or TextRange was found"),!1;r.removeAllRanges=function(){var e,t;try{this.docSelection.empty(),"None"!=this.docSelection.type&&(this.anchorNode?e=l(this.anchorNode):this.docSelection.type==N&&(t=this.docSelection.createRange()).length&&(e=l(t.item(0))),e&&(y(e).createTextRange().select(),this.docSelection.empty()))}catch(n){}X(this)},r.addRange=function(e){this.docSelection.type==N?re(this,e):(i.WrappedTextRange.rangeToTextRange(e).select(),this._ranges[0]=e,this.rangeCount=1,this.isCollapsed=this._ranges[0].collapsed,K(this,e,!1))},r.setRanges=function(e){this.removeAllRanges();var t=e.length;1<t?se(this,e):t&&this.addRange(e[0])}}if(r.getRangeAt=function(e){if(e<0||e>=this.rangeCount)throw new m("INDEX_SIZE_ERR");return this._ranges[e].cloneRange()},T)M=function(e){var t;i.isSelectionValid(e.win)?t=e.docSelection.createRange():(t=y(e.win.document).createTextRange()).collapse(!0),e.docSelection.type==N?ne(e):ee(t)?te(e,t):X(e)};else if(f(e,"getRangeAt")&&typeof e.rangeCount==u)M=function(e){if(s&&S&&e.docSelection.type==N)ne(e);else if(e._ranges.length=e.rangeCount=e.nativeSelection.rangeCount,e.rangeCount){for(var t=0,n=e.rangeCount;t<n;++t)e._ranges[t]=new i.WrappedRange(e.nativeSelection.getRangeAt(t));K(e,e._ranges[e.rangeCount-1],W(e.nativeSelection)),e.isCollapsed=v(e)}else X(e)};else{if(!x||typeof e.isCollapsed!=d||typeof w.collapsed!=d||!n.implementsDomRange)return c.fail("No means of obtaining a Range or TextRange from the user's selection was found"),!1;M=function(e){var t,n=e.nativeSelection;n.anchorNode?(n=D(n,0),e._ranges=[n],e.rangeCount=1,t=(n=e).nativeSelection,n.anchorNode=t.anchorNode,n.anchorOffset=t.anchorOffset,n.focusNode=t.focusNode,n.focusOffset=t.focusOffset,e.isCollapsed=v(e)):X(e)}}function ce(e,t){if(e.win.document!=l(t))throw new m("WRONG_DOCUMENT_ERR")}function le(r){return function(e,t){var n;this.rangeCount?(n=this.getRangeAt(0))["set"+(r?"Start":"End")](e,t):(n=i.createRange(this.win.document)).setStartAndEnd(e,t),this.setSingleRange(n,this.isBackward())}}function de(e){var t,n,r=[],o=new R(e.anchorNode,e.anchorOffset),i=new R(e.focusNode,e.focusOffset),a="function"==typeof e.getName?e.getName(
+):"Selection";if("undefined"!=typeof e.rangeCount)for(t=0,n=e.rangeCount;t<n;++t)r[t]=g.inspect(e.getRangeAt(t));return"["+a+"(Ranges: "+r.join(", ")+")(anchor: "+o.inspect()+", focus: "+i.inspect()+"]"}r.refresh=function(e){var t,n=e?this._ranges.slice(0):null,r=this.anchorNode,o=this.anchorOffset;if(M(this),e){if((t=n.length)!=this._ranges.length)return!0;if(this.anchorNode!=r||this.anchorOffset!=o)return!0;for(;t--;)if(!E(n[t],this._ranges[t]))return!0;return!1}},H=function(e,t){var n,r,o=e.getAllRanges();for(e.removeAllRanges(),n=0,r=o.length;n<r;++n)E(t,o[n])||e.addRange(o[n]);e.rangeCount||X(e)},r.removeRange=s&&S?function(e){var t,n,r,o,i,a,s;if(this.docSelection.type==N){for(t=this.docSelection.createRange(),n=J(e),r=l(t.item(0)),o=y(r).createControlRange(),i=!1,a=0,s=t.length;a<s;++a)t.item(a)!==n||i?o.add(t.item(a)):i=!0;o.select(),ne(this)}else H(this,e)}:function(e){H(this,e)},!T&&x&&n.implementsDomRange?(W=j,r.isBackward=function(){return W(this)}):W=r.isBackward=function(){return!1},r.isBackwards=r.isBackward,r.toString=function(){for(var e=[],t=0,n=this.rangeCount;t<n;++t)e[t]=""+this._ranges[t];return e.join("")},r.collapse=function(e,t){ce(this,e);var n=i.createRange(e);n.collapseToPoint(e,t),this.setSingleRange(n),this.isCollapsed=!0},r.collapseToStart=function(){if(!this.rangeCount)throw new m("INVALID_STATE_ERR");var e=this._ranges[0];this.collapse(e.startContainer,e.startOffset)},r.collapseToEnd=function(){if(!this.rangeCount)throw new m("INVALID_STATE_ERR");var e=this._ranges[this.rangeCount-1];this.collapse(e.endContainer,e.endOffset)},r.selectAllChildren=function(e){ce(this,e);var t=i.createRange(e);t.selectNodeContents(e),this.setSingleRange(t)},r.deleteFromDocument=function(){var e,t,n,r,o;if(s&&S&&this.docSelection.type==N){for(e=this.docSelection.createRange();e.length;)t=e.item(0),e.remove(t),a.removeNode(t);this.refresh()}else if(this.rangeCount&&(n=this.getAllRanges()).length){for(this.removeAllRanges(),r=0,o=n.length;r<o;++r)n[r].deleteContents();this.addRange(n[o-1])}},r.eachRange=function(e,t){for(var n=0,r=this._ranges.length;n<r;++n)if(e(this.getRangeAt(n)))return t},r.getAllRanges=function(){var t=[];return this.eachRange(function(e){t.push(e)}),t},r.setSingleRange=function(e,t){this.removeAllRanges(),this.addRange(e,t)},r.callMethodOnEachRange=function(t,n){var r=[];return this.eachRange(function(e){r.push(e[t].apply(e,n||[]))}),r},r.setStart=le(!0),r.setEnd=le(!1),i.rangePrototype.select=function(e){k(this.getDocument()).setSingleRange(this,e)},r.changeEachRange=function(t){var n=[],e=this.isBackward();this.eachRange(function(e){t(e),n.push(e)}),this.removeAllRanges(),e&&1==n.length?this.addRange(n[0],"backward"):this.setRanges(n)},r.containsNode=function(t,n){return this.eachRange(function(e){return e.containsNode(t,n)},!0)||!1},r.getBookmark=function(e){return{backward:this.isBackward(),rangeBookmarks:this.callMethodOnEachRange("getBookmark",[e])}},r.moveToBookmark=function(e){for(var t,n,r=[],o=0;t=e.rangeBookmarks[o++];)(n=i.createRange(this.win)).moveToBookmark(t),r.push(n);e.backward?this.setSingleRange(r[0],"backward"):this.setRanges(r)},r.saveRanges=function(){return{backward:this.isBackward(),ranges:this.callMethodOnEachRange("cloneRange")}},r.restoreRanges=function(e){this.removeAllRanges();for(var t,n=0;t=e.ranges[n];++n)this.addRange(t,e.backward&&0==n)},r.toHtml=function(){var t=[];return this.eachRange(function(e){t.push(g.toHtml(e))}),t.join("")},n.implementsTextRange&&(r.getNativeTextRange=function(){var e;if(e=this.docSelection){if(ee(e=e.createRange()))return e;throw c.createError("getNativeTextRange: selection is a control selection")}if(0<this.rangeCount)return i.WrappedTextRange.rangeToTextRange(this.getRangeAt(0));throw c.createError("getNativeTextRange: selection contains no range")}),r.getName=function(){return"WrappedSelection"},r.inspect=function(){return de(this)},r.detach=function(){ae(this.win,"delete"),ie(this)},oe.detachAll=function(){ae(null,"deleteAll")},oe.inspect=de,oe.isDirectionBackward=z,i.Selection=oe,i.selectionPrototype=r,i.addShimListener(function(e){"undefined"==typeof e.getSelection&&(e.getSelection=function(){return k(e)}),e=null})}),i=!1,e=function(e){i||(i=!0,!f.initialized&&f.config.autoInitialize&&I())},h&&("complete"==document.readyState?e():(g(document,"addEventListener")&&document.addEventListener("DOMContentLoaded",e,!1),t(window,"load",e))),f},this),function(e){e.rangy.createModule("SaveRestore",["WrappedRange"],function(c,a){var o=c.dom,s=o.removeNode,l=c.Selection.isDirectionBackward,g="\ufeff";function d(e,t){return(t||document).getElementById(e)}function i(e,t){var n="selectionBoundary_"+ +new Date+"_"+(""+Math.random()).slice(2),r=o.getDocument(e.startContainer),e=e.cloneRange();return e.collapse(t),(t=r.createElement("span")).id=n,t.style.lineHeight="0",t.style.display="none",t.className="rangySelectionBoundary",t.appendChild(r.createTextNode(g)),e.insertNode(t),t}function u(e,t,n,r){n=d(n,e);n?(t[r?"setStartBefore":"setEndBefore"](n),s(n)):a.warn("Marker element has been removed. 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t,n,r;if(e.collapsed||""==e.toString())return!!this.getSelfOrAncestorWithClass(e.commonAncestorContainer);if((t=e.getNodes([3])).length)for(n=0;r=t[n++];)if(!this.isIgnorableWhiteSpaceNode(r)&&B(e,r)&&this.isModifiable(r)&&!this.getSelfOrAncestorWithClass(r))return!1;return!0},isAppliedToRanges:function(e){var t=e.length;if(0==t)return!1;for(;t--;)if(!this.isAppliedToRange(e[t]))return!1;return!0},isAppliedToSelection:function(e){e=n.getSelection(e);return this.isAppliedToRanges(e.getAllRanges())},toggleRange:function(e){this.isAppliedToRange(e)?this.undoToRange(e):this.applyToRange(e)},toggleSelection:function(e){this.isAppliedToSelection(e)?this.undoToSelection(e):this.applyToSelection(e)},getElementsWithClassIntersectingRange:function(e){var t=[],n=this;return e.getNodes([3],function(e){e=n.getSelfOrAncestorWithClass(e);e&&!l(t,e)&&t.push(e)}),t},detach:function(){}},o.util={hasClass:T,addClass:f,removeClass:d,getClass:O,
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e,o,i,a,s=this,t=s.highlights;return t.sort(l),e=(r=S(r,{serializeHighlightText:!1,type:s.converter.type})).type,(i=e!=s.converter.type)&&(a=h(e)),o=["type:"+e],T(t,function(e){var t,n=e.characterRange;i&&(t=e.getContainerElement(),n=a.rangeToCharacterRange(s.converter.characterRangeToRange(s.doc,n,t),t)),t=[n.start,n.end,e.id,e.classApplier.className,e.containerElementId],r.serializeHighlightText&&t.push(e.getText()),o.push(t.join("$"))}),o.join("|")},deserialize:function(e){var t,n,r,o,i,a,s,c=e.split("|"),l=[],e=c[0],d=!1;if(!e||!(t=/^type:(\w+)$/.exec(e)))throw new Error("Serialized highlights are invalid.");for((e=t[1])!=this.converter.type&&(n=h(e),d=!0),c.shift(),a=c.length;0<a--;){if(r=new w(+(s=c[a].split("$"))[0],+s[1]),o=s[4]||null,d&&(i=u(this.doc,o),r=this.converter.rangeToCharacterRange(n.characterRangeToRange(this.doc,r,i),i)),!(i=this.classAppliers[s[3]]))throw new Error("No class applier found for class '"+s[3]+"'");(r=new 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this.store[e]=t}},N="NON_SPACE",y="UNCOLLAPSIBLE_SPACE",d="COLLAPSIBLE_SPACE",E="TRAILING_SPACE_BEFORE_BLOCK",S="TRAILING_SPACE_IN_BLOCK",T="TRAILING_SPACE_BEFORE_BR",w="PRE_LINE_TRAILING_SPACE_BEFORE_LINE_BREAK",O="INCLUDED_TRAILING_LINE_BREAK_AFTER_BR",s(ee.prototype={getPosition:function(e){var t=this.positions;return t.get(e)||t.set(e,new te(this,e))},toString:function(){return"[NodeWrapper("+a.inspectNode(this.node)+")]"}},{isCharacterDataNode:n("isCharacterDataNode",a.isCharacterDataNode,"node"),getNodeIndex:n("nodeIndex",a.getNodeIndex,"node"),getLength:n("nodeLength",a.getNodeLength,"node"),containsPositions:n("containsPositions",function(e){return a.isCharacterDataNode(e)||!/^(area|base|basefont|br|col|frame|hr|img|input|isindex|link|meta|param)$/i.test(e.nodeName)},"node"),isWhitespace:n("isWhitespace",Q,"node"),isCollapsedWhitespace:n("isCollapsedWhitespace",K,"node"),getComputedDisplay:n("computedDisplay",$,"node"),isCollapsed:n("collapsed",X,"node"),isIgnored:n("ignored",Z,"node"),next:n("nextPos",Y,"node"),previous:n("previous",G,"node"),getTextNodeInfo:n("textNodeInfo",function(e){var t=null,n=!1,r=i(e.parentNode,"whiteSpace"),o="pre-line"==r;return o?(t=H,n=!0):"normal"!=r&&"nowrap"!=r||(t=M,n=!0),{node:e,text:e.data,spaceRegex:t,collapseSpaces:n,preLine:o}},"node"),hasInnerText:n("hasInnerText",function(e,t){for(var n=this.session,r=n.getPosition(e.parentNode,this.getNodeIndex()+1),e=n.getPosition(e,0),o=t?r:e,i=t?e:r;o!==i;){if(o.prepopulateChar(),o.isDefinitelyNonEmpty())return!0;o=t?o.previousVisible():o.nextVisible()}return!1},"node"),isRenderedBlock:n("isRenderedBlock",function(e){for(var t=e.getElementsByTagName("br"),n=0,r=t.length;n<r;++n)if(!X(t[n]))return!0;return this.hasInnerText()},"node"),getTrailingSpace:n("trailingSpace",function(e){if("br"==e.tagName.toLowerCase())return"";switch(this.getComputedDisplay()){case"inline":for(var t=e.lastChild;t;){if(!Z(t))return 1==t.nodeType?this.session.getNodeWrapper(t).getTrailingSpace():"";t=t.previousSibling}break;case"inline-block":case"inline-table":case"none":case"table-column":case"table-column-group":break;case"table-cell":return"\t";default:
+return this.isRenderedBlock(!0)?"\n":""}return""},"node"),getLeadingSpace:n("leadingSpace",function(e){switch(this.getComputedDisplay()){case"inline":case"inline-block":case"inline-table":case"none":case"table-column":case"table-column-group":case"table-cell":break;default:return this.isRenderedBlock(!1)?"\n":""}return""},"node")}),s(te.prototype={character:"",characterType:"EMPTY",isBr:!1,prepopulateChar:function(){var e,t,n,r,o,i,a,s,c,l=this;l.prepopulatedChar||(e=l.node,n="",o=!(r="EMPTY"),0<(t=l.offset)&&(3==e.nodeType?(a=(i=e.data).charAt(t-1),s=(c=l.nodeWrapper.getTextNodeInfo()).spaceRegex,c.collapseSpaces?s.test(a)?1<t&&s.test(i.charAt(t-2))||(r=c.preLine&&"\n"===i.charAt(t)?(n=" ",w):(n=" 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t=this;t=t.previousVisible();)if(""!==t.getCharacter(e))return t;return null},getCharacter:function(e){var t,n,r,o,i,a,s,c;return this.resolveLeadingAndTrailingSpaces(),t=this.character,(c="string"==typeof(c=(c=e.ignoreCharacters)||"")?c.split(""):c).sort(function(e,t){return e.charCodeAt(0)-t.charCodeAt(0)}),c=c.join("").replace(/(.)\1+/g,"$1"),n=""!==t&&-1<c.indexOf(t),this.isCharInvariant?n?"":t:(n=["character",e.includeSpaceBeforeBr,e.includeBlockContentTrailingSpace,e.includePreLineTrailingSpace,c].join("_"),null!==(r=this.cache.get(n))?r:(r="",o=this.characterType==d,a=!1,s=this,o&&(this.type==O?r="\n":" "==t&&(!l()||i.isTrailingSpace||"\n"==i.character||" "==i.character&&i.characterType==d)||("\n"==t&&this.isLeadingSpace?l()&&"\n"!=i.character&&(r="\n"):(o=this.nextUncollapsed())&&(o.isBr?this.type=T:o.isTrailingSpace&&"\n"==o.character?this.type=S:o.isLeadingSpace&&"\n"==o.character&&(this.type=E),"\n"==o.character?this.type==T&&!e.includeSpaceBeforeBr||this.type==E&&!e.includeSpaceBeforeBlock||this.type==S&&o.isTrailingSpace&&!e.includeBlockContentTrailingSpace||this.type==w&&o.type==N&&!e.includePreLineTrailingSpace||("\n"==t?o.isTrailingSpace?this.isTrailingSpace||this.isBr&&(o.type="TRAILING_LINE_BREAK_AFTER_BR",l()&&i.isLeadingSpace&&!i.isTrailingSpace&&"\n"==i.character?o.character="":o.type=O):r="\n":" "==t&&(r=" ")):r=t))),-1<c.indexOf(r)&&(r=""),this.cache.set(n,r),r));function l(){return a||(i=s.getPrecedingUncollapsedPosition(e),a=!0),i}},equals:function(e){return!!e&&this.node===e.node&&this.offset===e.offset},inspect:function(){return"[Position("+a.inspectNode(this.node)+":"+this.offset+")]"},toString:function(){return this.character}},{next:n("nextPos",function(e){var t,n=e.nodeWrapper,r=e.node,e=e.offset,o=n.session;return r?(n=e==n.getLength()?(t=r.parentNode)?n.getNodeIndex()+1:0:n.isCharacterDataNode()?(t=r,e+1):(n=r.childNodes[e],o.getNodeWrapper(n).containsPositions()?(t=n,0):(t=r,e+1)),t?o.getPosition(t,n):null):null}),previous:n("previous",function(e){var t,n=e.nodeWrapper,r=e.node,e=e.offset,o=n.session,n=0==e?(t=r.parentNode)?n.getNodeIndex():0:n.isCharacterDataNode()?(t=r,e-1):(n=r.childNodes[e-1],o.getNodeWrapper(n).containsPositions()?a.getNodeLength(t=n):(t=r,e-1));return t?o.getPosition(t,n):null}),nextVisible:n("nextVisible",function(e){var t,n,e=e.next();return e?(t=e.nodeWrapper,n=e.node,e=e,t.isCollapsed()?t.session.getPosition(n.parentNode,t.getNodeIndex()+1):e):null}),nextUncollapsed:n("nextUncollapsed",function(e){for(var t=e;t=t.nextVisible();)if(t.resolveLeadingAndTrailingSpaces(),""!==t.character)return t;return null}),previousVisible:n("previousVisible",function(e){var t,n,e=e.previous();return e?(t=e.nodeWrapper,n=e.node,e=e,t.isCollapsed()?t.session.getPosition(n.parentNode,t.getNodeIndex()):e):null})}),r=null,I=B.isHostProperty(document.documentElement,"uniqueID"),re.prototype={initCaches:function(){var t;this.elementCache=I?(t=new J,{get:function(e){return t.get(e.uniqueID)},set:function(e){t.set(e.node.uniqueID,e)}}):ne("tagName"),this.textNodeCache=ne("data"),this.otherNodeCache=ne("nodeName")},getNodeWrapper:function(e){var t,n;switch(e.nodeType){case 1:t=this.elementCache;break;case 3:t=this.textNodeCache;break;default:t=this.otherNodeCache}return(n=t.get(e))||(n=new ee(e,this),t.set(n)),n},getPosition:function(e,t){return this.getNodeWrapper(e).getPosition(t)},getRangeBoundaryPosition:function(e,t){t=t?"start":"end";return this.getPosition(e[t+"Container"],e[t+"Offset"])},detach:function(){this.elementCache=this.textNodeCache=this.otherNodeCache=null}},x=re,s(a,{nextNode:Y,previousNode:G}),A=Array.prototype.indexOf?function(e,t){return e.indexOf(t)}:function(e,t){for(var n=0,r=e.length;n<r;++n)if(e[n]===t)return n;return-1},s(m.rangePrototype,{moveStart:de(!0,!1),moveEnd:de(!1,!1),move:de(!0,!0),trimStart:ue(!0),trimEnd:ue(!1),trim:o(function(e,t){var n=this.trimStart(t),t=this.trimEnd(t);return n||t}),expand:o(function(e,t,n){var r,o,i,a=!1,s=(n=U(n,p)).characterOptions;return(t=t||_)==D?(t=n.wordOptions,r=e.getRangeBoundaryPosition(this,!0),e=e.getRangeBoundaryPosition(this,!1),o=(i=se(r,s,t).nextEndToken()).chars[0].previousVisible(),t=(i=this.collapsed?i:se(e,s,t).previousStartToken()).chars[i.chars.length-1],o.equals(r)||(this.setStart(o.node,o.offset),a=!0),t&&!t.equals(e)&&(
+this.setEnd(t.node,t.offset),a=!0),n.trim&&(n.trimStart&&(a=this.trimStart(s)||a),n.trimEnd&&(a=this.trimEnd(s)||a)),a):this.moveEnd(_,1,n)}),text:o(function(e,t){return this.collapsed?"":function(e,t,n){for(var r,o=[],i=ce(e,t,n);r=i.next();)o.push(r);return i.dispose(),o}(e,this,k(t,l)).join("")}),selectCharacters:o(function(e,t,n,r,o){o={characterOptions:o};t=t||L(this.getDocument()),this.selectNodeContents(t),this.collapse(!0),this.moveStart("character",n,o),this.collapse(!0),this.moveEnd("character",r-n,o)}),toCharacterRange:o(function(e,t,n){var r=(t=t||L(this.getDocument())).parentNode,t=a.getNodeIndex(t),o=-1==a.comparePoints(this.startContainer,this.endContainer,r,t),i=this.cloneRange();return{start:o=o?(i.setStartAndEnd(this.startContainer,this.startOffset,r,t),-i.text(n).length):(i.setStartAndEnd(r,t,this.startContainer,this.startOffset),i.text(n).length),end:o+this.text(n).length}}),findText:o(function(e,t,n){var r,o,i,a,s,c,d,l;for((n=U(n,f)).wholeWordsOnly&&(n.wordOptions.includeTrailingSpace=!1),r=V(n.direction),(o=n.withinRange)||(o=m.createRange()).selectNodeContents(this.getDocument()),a=!1,"string"==typeof(i=t)?n.caseSensitive||(i=t.toLowerCase()):a=!0,s=e.getRangeBoundaryPosition(this,!r),-1===(t=o.comparePoint(s.node,s.offset))?s=e.getRangeBoundaryPosition(o,!0):1===t&&(s=e.getRangeBoundaryPosition(o,!1)),c=s,d=!1;;)if(l=le(c,i,a,o,n)){if(l.valid)return this.setStartAndEnd(l.startPos.node,l.startPos.offset,l.endPos.node,l.endPos.offset),!0;c=r?l.startPos:l.endPos}else{if(!n.wrap||d)return!1;o=o.cloneRange(),c=e.getRangeBoundaryPosition(o,!r),o.setBoundary(s.node,s.offset,r),d=!0}}),pasteHtml:function(e){var t;this.deleteContents(),e&&(t=(e=this.createContextualFragment(e)).lastChild,this.insertNode(e),this.collapseAfter(t))}}),s(m.selectionPrototype,{expand:o(function(e,t,n){this.changeEachRange(function(e){e.expand(t,n)})}),move:o(function(e,t,n,r){var o,i=0;return this.focusNode&&(this.collapse(this.focusNode,this.focusOffset),o=this.getRangeAt(0),(r=r||{}).characterOptions=k(r.characterOptions,u),i=o.move(t,n,r),this.setSingleRange(o)),i}),trimStart:he("trimStart"),trimEnd:he("trimEnd"),trim:he("trim"),selectCharacters:o(function(e,t,n,r,o,i){var a=m.createRange(t);a.selectCharacters(t,n,r,i),this.setSingleRange(a,o)}),saveCharacterRanges:o(function(e,t,n){for(var r=this.getAllRanges(),o=r.length,i=[],a=1==o&&this.isBackward(),s=0,c=r.length;s<c;++s)i[s]={characterRange:r[s].toCharacterRange(t,n),backward:a,characterOptions:n};return i}),restoreCharacterRanges:o(function(e,t,n){this.removeAllRanges();for(var r,o,i,a=0,s=n.length;a<s;++a)i=(o=n[a]).characterRange,(r=m.createRange(t)).selectCharacters(t,i.start,i.end,o.characterOptions),this.addRange(r,o.backward)}),text:o(function(e,t){for(var n=[],r=0,o=this.rangeCount;r<o;++r)n[r]=this.getRangeAt(r).text(t);return n.join("")})}),m.innerText=function(e,t){var n=m.createRange(e);return n.selectNodeContents(e),n.text(t)},m.createWordIterator=function(e,t,n){var r,o,i=oe();return n=U(n,R),e=i.getPosition(e,t),r=se(e,n.characterOptions,n.wordOptions),o=V(n.direction),{next:function(){return o?r.previousStartToken():r.nextEndToken()},dispose:function(){r.dispose(),this.next=function(){}}}},m.noMutation=function(e){e(oe()),ie()},m.noMutation.createEntryPointFunction=o,m.textRange={isBlockNode:function(e){return e&&(1==e.nodeType&&!/^(inline(-block|-table)?|none)$/.test($(e))||9==e.nodeType||11==e.nodeType)},isCollapsedWhitespaceNode:K,createPosition:o(function(e,t,n){return e.getPosition(t,n)})}})}(this),YUI.add("moodle-editor_atto-rangy",function(e,t){rangy.initialized||rangy.init()},"@VERSION@",{requires:[]});
\ No newline at end of file
diff --git a/lib/form/amd/build/events.min.js b/lib/form/amd/build/events.min.js
index 58708b149a0..05bbda9bcb6 100644
--- a/lib/form/amd/build/events.min.js
+++ b/lib/form/amd/build/events.min.js
@@ -1,2 +1,2 @@
-define ("core_form/events",["exports","core/str"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.triggerUploadCompleted=a.triggerUploadStarted=a.formEventTypes=void 0;var c;(0,b.get_string)("changesmadereallygoaway","moodle").then(function(a){c=a;return a}).catch();var d=function(a){if(a){a.returnValue=c}},e={uploadStarted:"core_form/uploadStarted",uploadCompleted:"core_form/uploadCompleted"};a.formEventTypes=e;a.triggerUploadStarted=function triggerUploadStarted(a){window.addEventListener("beforeunload",d);var b=new CustomEvent(e.uploadStarted,{bubbles:!0,cancellable:!1}),c=document.getElementById(a);c.dispatchEvent(b);return b};a.triggerUploadCompleted=function triggerUploadCompleted(a){window.removeEventListener("beforeunload",d);var b=new CustomEvent(e.uploadCompleted,{bubbles:!0,cancellable:!1}),c=document.getElementById(a);c.dispatchEvent(b);return b}});
+define ("core_form/events",["exports","core/str"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.triggerUploadStarted=a.triggerUploadCompleted=a.formEventTypes=void 0;var c;(0,b.get_string)("changesmadereallygoaway","moodle").then(function(a){c=a;return a}).catch();var d=function(a){if(a){a.returnValue=c}},e={uploadStarted:"core_form/uploadStarted",uploadCompleted:"core_form/uploadCompleted"};a.formEventTypes=e;a.triggerUploadStarted=function triggerUploadStarted(a){window.addEventListener("beforeunload",d);var b=new CustomEvent(e.uploadStarted,{bubbles:!0,cancellable:!1}),c=document.getElementById(a);c.dispatchEvent(b);return b};a.triggerUploadCompleted=function triggerUploadCompleted(a){window.removeEventListener("beforeunload",d);var b=new CustomEvent(e.uploadCompleted,{bubbles:!0,cancellable:!1}),c=document.getElementById(a);c.dispatchEvent(b);return b}});
 //# sourceMappingURL=events.min.js.map
diff --git a/lib/form/yui/build/moodle-form-dateselector/moodle-form-dateselector-min.js b/lib/form/yui/build/moodle-form-dateselector/moodle-form-dateselector-min.js
index d7fc49d3ffb..a4f95511e90 100644
--- a/lib/form/yui/build/moodle-form-dateselector/moodle-form-dateselector-min.js
+++ b/lib/form/yui/build/moodle-form-dateselector/moodle-form-dateselector-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-form-dateselector",function(a,e){var t,o,i=" [role=dialog]",s="[role=menubar]",r=".",l="moodle-has-zindex";a.mix(a.Node.prototype,{firstOptionValue:function(){return"select"===this.get("nodeName").toLowerCase()&&this.one("option").get("value")},lastOptionValue:function(){return"select"===this.get("nodeName").toLowerCase()&&this.all("option").item(this.optionSize()-1).get("value")},optionSize:function(){return"select"===this.get("nodeName").toLowerCase()&&parseInt(this.all("option").size(),10)},selectedOptionValue:function(){return"select"===this.get("nodeName").toLowerCase()&&this.all("option").item(this.get("selectedIndex")).get("value")}}),M.form=M.form||{},M.form.dateselector={panel:null,calendar:null,currentowner:null,hidetimeout:null,repositiontimeout:null,init_date_selectors:function(e){null===this.panel&&this.initPanel(e),a.all(".fdate_time_selector").each(function(){e.node=this,new t(e)}),a.all(".fdate_selector").each(function(){e.node=this,new t(e)})},initPanel:function(e){var n,t;this.panel=new a.Overlay({visible:!1,bodyContent:a.Node.create('<div id="dateselector-calendar-content"></div>'),id:"dateselector-calendar-panel",constrain:!0}),this.panel.render(document.body),n=0,a.all(i+", "+s+", "+r+l).each(function(e){var t=this.findZIndex(e);n<t&&(n=t)},this),t=(n+1).toString(),a.one("#dateselector-calendar-panel").setStyle("zIndex",t),this.panel.on("heightChange",this.fix_position,this),a.one("#dateselector-calendar-panel").on("click",function(e){e.halt()}),a.one(document.body).on("click",this.document_click,this),this.calendar=new o({contentBox:"#dateselector-calendar-content",width:"300px",showPrevMonth:!0,showNextMonth:!0,firstdayofweek:parseInt(e.firstdayofweek,10),WEEKDAYS_MEDIUM:[e.sun,e.mon,e.tue,e.wed,e.thu,e.fri,e.sat]})},findZIndex:function(e){var t=e.getStyle("zIndex")||e.ancestor().getStyle("zIndex");return t?parseInt(t,10):0},cancel_any_timeout:function(){this.hidetimeout&&(clearTimeout(this.hidetimeout),this.hidetimeout=null),this.repositiontimeout&&(clearTimeout(this.repositiontimeout),this.repositiontimeout=null)},delayed_reposition:function(){this.repositiontimeout&&(clearTimeout(this.repositiontimeout),this.repositiontimeout=null),this.repositiontimeout=setTimeout(this.fix_position,500)},fix_position:function(){if(this.currentowner){var e=[a.WidgetPositionAlign.BL,a.WidgetPositionAlign.TL];window.right_to_left()&&(e=[a.WidgetPositionAlign.BR,a.WidgetPositionAlign.TR]),this.panel.set("align",{node:this.currentowner.get("node").one("select"),points:e})}},document_click:function(e){this.currentowner&&(this.currentowner.get("node").ancestor("div").contains(e.target)?setTimeout(function(){M.form.dateselector.cancel_any_timeout()},100):this.currentowner.release_calendar(e))}},o=function(){o.superclass.constructor.apply(this,arguments)},a.extend(o,a.Calendar,{initializer:function(e){this.set("strings.very_short_weekdays",e.WEEKDAYS_MEDIUM),this.set("strings.first_weekday",e.firstdayofweek)}},{NAME:"Calendar",ATTRS:{}}),M.form_moodlecalendar=M.form_moodlecalendar||{},M.form_moodlecalendar.initializer=function(e){return new o(e)},(t=function(){t.superclass.constructor.apply(this,arguments)}).prototype={panel:null,yearselect:null,monthselect:null,dayselect:null,calendarimage:null,enablecheckbox:null,closepopup:!0,initializer:function(){var e=this.get("node").all("select");e.each(function(e){e.get("name").match(/\[year\]/)?this.yearselect=e:e.get("name").match(/\[month\]/)?this.monthselect=e:e.get("name").match(/\[day\]/)&&(this.dayselect=e),e.after("change",this.handle_select_change,this)},this),this.get("node").all("input, a").each(function(e){e.get("name").match(/\[calendar\]/)?(e.on("click",this.focus_event,this),this.calendarimage=e):(e.on("click",this.toggle_calendar_image,this),this.enablecheckbox=e),this.calendarimage&&this.enablecheckbox&&this.toggle_calendar_image()},this)},focus_event:function(e){M.form.dateselector.cancel_any_timeout(),M.form.dateselector.currentowner===this?this.release_calendar():null!==this.enablecheckbox&&!this.enablecheckbox.get("checked")||this.claim_calendar(),e.preventDefault()},handle_select_change:function(){this.closepopup=!1,this.set_date_from_selects(),this.closepopup=!0},claim_calendar:function(){M.form.dateselector.cancel_any_timeout(),M.form.dateselector.currentowner!==this&&(M.form.dateselector.currentowner&&M.form.dateselector.currentowner.release_calendar(),M.form.dateselector.currentowner!==this&&(this.connect_handlers(),this.set_date_from_selects()),M.form.dateselector.currentowner=this,M.form.dateselector.calendar.set("minimumDate",new Date(this.yearselect.firstOptionValue(),0,1)),M.form.dateselector.calendar.set("maximumDate",new Date(this.yearselect.lastOptionValue(),11,31)),M.form.dateselector.panel.show(),M.form.dateselector.calendar.show(),M.form.dateselector.fix_position(),setTimeout(function(){M.form.dateselector.cancel_any_timeout()},100),M.form.dateselector.calendar.focus(),a.one(document.body).on("keyup",function(e){(M.form.dateselector.currentowner===this&&!M.form.dateselector.calendar.get("focused")||27===e.keyCode&&M.form.dateselector.calendar.get("focused"))&&(this.calendarimage.focus(),this.release_calendar())},this))},set_date_from_selects:function(){var e=parseInt(this.yearselect.get("value"),10),t=parseInt(this.monthselect.get("value"),10)-1,n=parseInt(this.dayselect.get("value"),10),o=new Date(e,t,n);M.form.dateselector.calendar.deselectDates(),M.form.dateselector.calendar.selectDates([o]),M.form.dateselector.calendar.set("date",o),M.form.dateselector.calendar.render(),o.getDate()!==n&&(this.dayselect.set("value",o.getDate()),this.monthselect.set("value",o.getMonth()+1))},set_selects_from_date:function(e){var t=e.newSelection[0],n=a.DataType.Date.format(t,{format:"%Y"}),o=n-this.yearselect.firstOptionValue();this.yearselect.set("selectedIndex",o),this.monthselect.set("selectedIndex",a.DataType.Date.format(t,{format:"%m"})-this.monthselect.firstOptionValue()),this.dayselect.set(
-"selectedIndex",a.DataType.Date.format(t,{format:"%d"})-this.dayselect.firstOptionValue()),M.form.dateselector.currentowner&&this.closepopup&&this.release_calendar()},connect_handlers:function(){M.form.dateselector.calendar.on("selectionChange",this.set_selects_from_date,this,!0)},release_calendar:function(e){var t=M.form.dateselector.currentowner===this;M.form.dateselector.panel.hide(),M.form.dateselector.calendar.detach("selectionChange",this.set_selects_from_date),M.form.dateselector.calendar.hide(),M.form.dateselector.currentowner=null,!t||null!=e&&"click"===e.type||this.calendarimage.focus()},toggle_calendar_image:function(){this.enablecheckbox.get("checked")?(this.calendarimage.set("disabled",!1),this.calendarimage.setStyle("cursor",null)):(this.calendarimage.set("disabled","disabled"),this.calendarimage.setStyle("cursor","default"),this.release_calendar())}},a.extend(t,a.Base,t.prototype,{NAME:"Date Selector",ATTRS:{firstdayofweek:{validator:a.Lang.isString},node:{setter:function(e){return a.one(e)}}}})},"@VERSION@",{requires:["base","node","overlay","calendar"]});
\ No newline at end of file
+YUI.add("moodle-form-dateselector",function(o,e){var t,a;o.mix(o.Node.prototype,{firstOptionValue:function(){return"select"===this.get("nodeName").toLowerCase()&&this.one("option").get("value")},lastOptionValue:function(){return"select"===this.get("nodeName").toLowerCase()&&this.all("option").item(this.optionSize()-1).get("value")},optionSize:function(){return"select"===this.get("nodeName").toLowerCase()&&parseInt(this.all("option").size(),10)},selectedOptionValue:function(){return"select"===this.get("nodeName").toLowerCase()&&this.all("option").item(this.get("selectedIndex")).get("value")}}),M.form=M.form||{},M.form.dateselector={panel:null,calendar:null,currentowner:null,hidetimeout:null,repositiontimeout:null,init_date_selectors:function(e){null===this.panel&&this.initPanel(e),o.all(".fdate_time_selector").each(function(){e.node=this,new t(e)}),o.all(".fdate_selector").each(function(){e.node=this,new t(e)})},initPanel:function(e){var t,n;this.panel=new o.Overlay({visible:!1,bodyContent:o.Node.create('<div id="dateselector-calendar-content"></div>'),id:"dateselector-calendar-panel",constrain:!0}),this.panel.render(document.body),t=0,o.all(" [role=dialog], [role=menubar], .moodle-has-zindex").each(function(e){e=this.findZIndex(e);t<e&&(t=e)},this),n=(t+1).toString(),o.one("#dateselector-calendar-panel").setStyle("zIndex",n),this.panel.on("heightChange",this.fix_position,this),o.one("#dateselector-calendar-panel").on("click",function(e){e.halt()}),o.one(document.body).on("click",this.document_click,this),this.calendar=new a({contentBox:"#dateselector-calendar-content",width:"300px",showPrevMonth:!0,showNextMonth:!0,firstdayofweek:parseInt(e.firstdayofweek,10),WEEKDAYS_MEDIUM:[e.sun,e.mon,e.tue,e.wed,e.thu,e.fri,e.sat]})},findZIndex:function(e){e=e.getStyle("zIndex")||e.ancestor().getStyle("zIndex");return e?parseInt(e,10):0},cancel_any_timeout:function(){this.hidetimeout&&(clearTimeout(this.hidetimeout),this.hidetimeout=null),this.repositiontimeout&&(clearTimeout(this.repositiontimeout),this.repositiontimeout=null)},delayed_reposition:function(){this.repositiontimeout&&(clearTimeout(this.repositiontimeout),this.repositiontimeout=null),this.repositiontimeout=setTimeout(this.fix_position,500)},fix_position:function(){var e;this.currentowner&&(e=[o.WidgetPositionAlign.BL,o.WidgetPositionAlign.TL],window.right_to_left()&&(e=[o.WidgetPositionAlign.BR,o.WidgetPositionAlign.TR]),this.panel.set("align",{node:this.currentowner.get("node").one("select"),points:e}))},document_click:function(e){this.currentowner&&(this.currentowner.get("node").ancestor("div").contains(e.target)?setTimeout(function(){M.form.dateselector.cancel_any_timeout()},100):this.currentowner.release_calendar(e))}},a=function(){a.superclass.constructor.apply(this,arguments)},o.extend(a,o.Calendar,{initializer:function(e){this.set("strings.very_short_weekdays",e.WEEKDAYS_MEDIUM),this.set("strings.first_weekday",e.firstdayofweek)}},{NAME:"Calendar",ATTRS:{}}),M.form_moodlecalendar=M.form_moodlecalendar||{},M.form_moodlecalendar.initializer=function(e){return new a(e)},(t=function(){t.superclass.constructor.apply(this,arguments)}).prototype={panel:null,yearselect:null,monthselect:null,dayselect:null,calendarimage:null,enablecheckbox:null,closepopup:!0,initializer:function(){var e=this.get("node").all("select");e.each(function(e){e.get("name").match(/\[year\]/)?this.yearselect=e:e.get("name").match(/\[month\]/)?this.monthselect=e:e.get("name").match(/\[day\]/)&&(this.dayselect=e),e.after("change",this.handle_select_change,this)},this),this.get("node").all("input, a").each(function(e){e.get("name").match(/\[calendar\]/)?(e.on("click",this.focus_event,this),this.calendarimage=e):(e.on("click",this.toggle_calendar_image,this),this.enablecheckbox=e),this.calendarimage&&this.enablecheckbox&&this.toggle_calendar_image()},this)},focus_event:function(e){M.form.dateselector.cancel_any_timeout(),M.form.dateselector.currentowner===this?this.release_calendar():null!==this.enablecheckbox&&!this.enablecheckbox.get("checked")||this.claim_calendar(),e.preventDefault()},handle_select_change:function(){this.closepopup=!1,this.set_date_from_selects(),this.closepopup=!0},claim_calendar:function(){M.form.dateselector.cancel_any_timeout(),M.form.dateselector.currentowner!==this&&(M.form.dateselector.currentowner&&M.form.dateselector.currentowner.release_calendar(),M.form.dateselector.currentowner!==this&&(this.connect_handlers(),this.set_date_from_selects()),M.form.dateselector.currentowner=this,M.form.dateselector.calendar.set("minimumDate",new Date(this.yearselect.firstOptionValue(),0,1)),M.form.dateselector.calendar.set("maximumDate",new Date(this.yearselect.lastOptionValue(),11,31)),M.form.dateselector.panel.show(),M.form.dateselector.calendar.show(),M.form.dateselector.fix_position(),setTimeout(function(){M.form.dateselector.cancel_any_timeout()},100),M.form.dateselector.calendar.focus(),o.one(document.body).on("keyup",function(e){(M.form.dateselector.currentowner===this&&!M.form.dateselector.calendar.get("focused")||27===e.keyCode&&M.form.dateselector.calendar.get("focused"))&&(this.calendarimage.focus(),this.release_calendar())},this))},set_date_from_selects:function(){var e=parseInt(this.yearselect.get("value"),10),t=parseInt(this.monthselect.get("value"),10)-1,n=parseInt(this.dayselect.get("value"),10),e=new Date(e,t,n);M.form.dateselector.calendar.deselectDates(),M.form.dateselector.calendar.selectDates([e]),M.form.dateselector.calendar.set("date",e),M.form.dateselector.calendar.render(),e.getDate()!==n&&(this.dayselect.set("value",e.getDate()),this.monthselect.set("value",e.getMonth()+1))},set_selects_from_date:function(e){var e=e.newSelection[0],t=o.DataType.Date.format(e,{format:"%Y"}),t=t-this.yearselect.firstOptionValue();this.yearselect.set("selectedIndex",t),this.monthselect.set("selectedIndex",o.DataType.Date.format(e,{format:"%m"})-this.monthselect.firstOptionValue()),this.dayselect.set("selectedIndex",o.DataType.Date.format(e,{
+format:"%d"})-this.dayselect.firstOptionValue()),M.form.dateselector.currentowner&&this.closepopup&&this.release_calendar()},connect_handlers:function(){M.form.dateselector.calendar.on("selectionChange",this.set_selects_from_date,this,!0)},release_calendar:function(e){var t=M.form.dateselector.currentowner===this;M.form.dateselector.panel.hide(),M.form.dateselector.calendar.detach("selectionChange",this.set_selects_from_date),M.form.dateselector.calendar.hide(),M.form.dateselector.currentowner=null,!t||null!=e&&"click"===e.type||this.calendarimage.focus()},toggle_calendar_image:function(){this.enablecheckbox.get("checked")?(this.calendarimage.set("disabled",!1),this.calendarimage.setStyle("cursor",null)):(this.calendarimage.set("disabled","disabled"),this.calendarimage.setStyle("cursor","default"),this.release_calendar())}},o.extend(t,o.Base,t.prototype,{NAME:"Date Selector",ATTRS:{firstdayofweek:{validator:o.Lang.isString},node:{setter:function(e){return o.one(e)}}}})},"@VERSION@",{requires:["base","node","overlay","calendar"]});
\ No newline at end of file
diff --git a/lib/form/yui/build/moodle-form-shortforms/moodle-form-shortforms-min.js b/lib/form/yui/build/moodle-form-shortforms/moodle-form-shortforms-min.js
index 081eca8a245..7d5ac195d06 100644
--- a/lib/form/yui/build/moodle-form-shortforms/moodle-form-shortforms-min.js
+++ b/lib/form/yui/build/moodle-form-shortforms/moodle-form-shortforms-min.js
@@ -1 +1 @@
-YUI.add("moodle-form-shortforms",function(r,e){function t(){t.superclass.constructor.apply(this,arguments)}var o=".collapsible-actions .collapseexpand",a=".collapsed",i="fieldset.collapsible",l="fieldset.collapsible .fheader",n=".fheader",d="legend.ftoggler",c="collapse-all",f="collapsed",h="fheader",s={formid:{value:null}};r.extend(t,r.Base,{form:null,initializer:function(){var e,t,s,a=r.one("#"+this.get("formid"));a&&((this.form=a).all(i).each(this.process_fieldset,this),a.delegate("click",this.switch_state,l,this),a.delegate("key",this.switch_state,"down:enter,32",l,this),r.Global.on(M.core.globalEvents.FORM_ERROR,this.expand_fieldset,this),(e=a.one(o))&&((t=r.Node.create('<a href="#"></a>')).setHTML(e.getHTML()),t.setAttribute("class",e.getAttribute("class")),t.setAttribute("role","button"),s=[],a.all(l).each(function(e){s[s.length]=e.generateID()}),t.setAttribute("aria-controls",s.join(" ")),t.on("click",this.set_state_all,this,!0),t.on("key",this.set_state_all,"down:enter,32",this,!0),e.replace(t),this.update_btns(a)))},process_fieldset:function(e){var t=e.one(d),s=r.Node.create('<a href="#"></a>');return s.addClass(h),s.appendChild(t.get("firstChild")),s.setAttribute("role","button"),s.setAttribute("aria-controls",e.generateID()),t.ancestor(a)?s.setAttribute("aria-expanded","false"):s.setAttribute("aria-expanded","true"),t.prepend(s),this},set_state:function(e,t){var s,a=e.one(n);return t?(e.addClass(f),a&&a.setAttribute("aria-expanded","false")):(e.removeClass(f),a&&a.setAttribute("aria-expanded","true")),(s=this.form.one("input[name=mform_isexpanded_"+e.get("id")+"]"))&&s.set("value",t?0:1),this},set_state_all:function(e){e.preventDefault();var t=e.target.hasClass(c);this.form.all(i).each(function(e){this.set_state(e,t)},this),this.update_btns()},switch_state:function(e){e.preventDefault();var t=e.target.ancestor(i);this.set_state(t,!t.hasClass(f)),this.update_btns()},update_btns:function(){var e,t=0,s=!1;return(e=this.form.one(o))&&(this.form.all(i).each(function(e){e.hasClass(f)&&t++}),0!==t&&(s=!0),s?(e.removeClass(c),e.setHTML(M.util.get_string("expandall","moodle"))):(e.addClass(c),e.setHTML(M.util.get_string("collapseall","moodle")))),this},expand_fieldset:function(e){var t;e.stopPropagation(),e.formid===this.form.getAttribute("id")&&(t=r.one("#"+e.elementid).ancestor("fieldset"))&&this.set_state(t,!1)}},{NAME:"moodle-form-shortforms",ATTRS:s}),M.form=M.form||{},M.form.shortforms=M.form.shortforms||function(e){return new t(e)}},"@VERSION@",{requires:["node","base","selector-css3","moodle-core-event"]});
\ No newline at end of file
+YUI.add("moodle-form-shortforms",function(r,e){function t(){t.superclass.constructor.apply(this,arguments)}var o=".collapsible-actions .collapseexpand",a=".collapsed",i="fieldset.collapsible",l="fieldset.collapsible .fheader",n=".fheader",d="legend.ftoggler",c="collapse-all",f="collapsed",h="fheader",s={formid:{value:null}};r.extend(t,r.Base,{form:null,initializer:function(){var e,t,s,a=r.one("#"+this.get("formid"));a&&((this.form=a).all(i).each(this.process_fieldset,this),a.delegate("click",this.switch_state,l,this),a.delegate("key",this.switch_state,"down:enter,32",l,this),r.Global.on(M.core.globalEvents.FORM_ERROR,this.expand_fieldset,this),(e=a.one(o))&&((t=r.Node.create('<a href="#"></a>')).setHTML(e.getHTML()),t.setAttribute("class",e.getAttribute("class")),t.setAttribute("role","button"),s=[],a.all(l).each(function(e){s[s.length]=e.generateID()}),t.setAttribute("aria-controls",s.join(" ")),t.on("click",this.set_state_all,this,!0),t.on("key",this.set_state_all,"down:enter,32",this,!0),e.replace(t),this.update_btns(a)))},process_fieldset:function(e){var t=e.one(d),s=r.Node.create('<a href="#"></a>');return s.addClass(h),s.appendChild(t.get("firstChild")),s.setAttribute("role","button"),s.setAttribute("aria-controls",e.generateID()),t.ancestor(a)?s.setAttribute("aria-expanded","false"):s.setAttribute("aria-expanded","true"),t.prepend(s),this},set_state:function(e,t){var s=e.one(n);return t?(e.addClass(f),s&&s.setAttribute("aria-expanded","false")):(e.removeClass(f),s&&s.setAttribute("aria-expanded","true")),(s=this.form.one("input[name=mform_isexpanded_"+e.get("id")+"]"))&&s.set("value",t?0:1),this},set_state_all:function(e){e.preventDefault();var t=e.target.hasClass(c);this.form.all(i).each(function(e){this.set_state(e,t)},this),this.update_btns()},switch_state:function(e){e.preventDefault();e=e.target.ancestor(i);this.set_state(e,!e.hasClass(f)),this.update_btns()},update_btns:function(){var t=0,e=!1,s=this.form.one(o);return s&&(this.form.all(i).each(function(e){e.hasClass(f)&&t++}),(e=0!==t?!0:e)?(s.removeClass(c),s.setHTML(M.util.get_string("expandall","moodle"))):(s.addClass(c),s.setHTML(M.util.get_string("collapseall","moodle")))),this},expand_fieldset:function(e){var t;e.stopPropagation(),e.formid===this.form.getAttribute("id")&&(t=r.one("#"+e.elementid).ancestor("fieldset"))&&this.set_state(t,!1)}},{NAME:"moodle-form-shortforms",ATTRS:s}),M.form=M.form||{},M.form.shortforms=M.form.shortforms||function(e){return new t(e)}},"@VERSION@",{requires:["node","base","selector-css3","moodle-core-event"]});
\ No newline at end of file
diff --git a/lib/table/amd/build/dynamic.min.js b/lib/table/amd/build/dynamic.min.js
index 2b10d71505c..7f3ec1bec18 100644
--- a/lib/table/amd/build/dynamic.min.js
+++ b/lib/table/amd/build/dynamic.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core_table/dynamic",["exports","core_table/local/dynamic/selectors","./local/dynamic/events","core/pending","core/loadingicon","core_table/local/dynamic/repository","core/notification"],function(a,b,c,d,e,f,g){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"Events",{enumerable:!0,get:function get(){return c.default}});a.getTableFromId=a.init=a.showColumn=a.hideColumn=a.getLastInitial=a.setLastInitial=a.getFirstInitial=a.setFirstInitial=a.getPageSize=a.setPageSize=a.getPageNumber=a.setPageNumber=a.setSortOrder=a.getFilters=a.setFilters=a.updateTable=a.refreshTableContent=void 0;b=j(b);c=h(c);d=h(d);g=h(g);function h(a){return a&&a.__esModule?a:{default:a}}function i(){if("function"!=typeof WeakMap)return null;var a=new WeakMap;i=function(){return a};return a}function j(a){if(a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var b=i();if(b&&b.has(a)){return b.get(a)}var c={},d=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var e in a){if(Object.prototype.hasOwnProperty.call(a,e)){var f=d?Object.getOwnPropertyDescriptor(a,e):null;if(f&&(f.get||f.set)){Object.defineProperty(c,e,f)}else{c[e]=a[e]}}}c.default=a;if(b){b.set(a,c)}return c}function k(a){return o(a)||n(a)||m(a)||l()}function l(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function m(a,b){if(!a)return;if("string"==typeof a)return p(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);if("Object"===c&&a.constructor)c=a.constructor.name;if("Map"===c||"Set"===c)return Array.from(c);if("Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c))return p(a,b)}function n(a){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(a))return Array.from(a)}function o(a){if(Array.isArray(a))return p(a)}function p(a,b){if(null==b||b>a.length)b=a.length;for(var c=0,d=Array(b);c<b;c++){d[c]=a[c]}return d}var q=!1,r=function(a){if(!a){throw new Error("The table specified is not a dynamic table and cannot be updated")}if(!a.matches(b.main.region)){throw new Error("The table specified is not a dynamic table and cannot be updated")}return!0},s=function(a){return JSON.parse(a.dataset.tableFilters)},t=function(a){var b=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1,g=s(a);(0,e.addIconToContainer)(a);var h=new d.default("core_table/dynamic:refreshTableContent");return(0,f.fetch)(a.dataset.tableComponent,a.dataset.tableHandler,a.dataset.tableUniqueid,{sortData:JSON.parse(a.dataset.tableSortData),joinType:g.jointype,filters:g.filters,firstinitial:a.dataset.tableFirstInitial,lastinitial:a.dataset.tableLastInitial,pageNumber:a.dataset.tablePageNumber,pageSize:a.dataset.tablePageSize,hiddenColumns:JSON.parse(a.dataset.tableHiddenColumns)},b).then(function(b){var c=document.createElement("div");c.innerHTML=b.html;a.replaceWith.apply(a,k(c.childNodes));return E(a.dataset.tableUniqueid)}).then(function(a){a.dispatchEvent(new CustomEvent(c.default.tableContentRefreshed,{bubbles:!0}));return a}).then(function(a){h.resolve();return a})};a.refreshTableContent=t;var u=function(a){var b=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{},c=b.sortBy,e=void 0===c?null:c,f=b.sortOrder,g=void 0===f?null:f,h=b.filters,i=void 0===h?null:h,j=b.firstInitial,k=void 0===j?null:j,l=b.lastInitial,m=void 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diff --git a/lib/table/amd/build/dynamic.min.js.map b/lib/table/amd/build/dynamic.min.js.map
index 3f58a604b58..724b03c9e38 100644
--- a/lib/table/amd/build/dynamic.min.js.map
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@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to handle dynamic table features.\n *\n * @module     core_table/dynamic\n * @package    core_table\n * @copyright  2020 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as Selectors from 'core_table/local/dynamic/selectors';\nimport Events from './local/dynamic/events';\nimport Pending from 'core/pending';\nimport {addIconToContainer} from 'core/loadingicon';\nimport {fetch as fetchTableData} from 'core_table/local/dynamic/repository';\nimport Notification from 'core/notification';\n\nlet watching = false;\n\n/**\n * Ensure that a table is a dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Bool}\n */\nconst checkTableIsDynamic = tableRoot => {\n    if (!tableRoot) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    if (!tableRoot.matches(Selectors.main.region)) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    return true;\n};\n\n/**\n * Get the filterset data from a known dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Object}\n */\nconst getFiltersetFromTable = tableRoot => {\n    return JSON.parse(tableRoot.dataset.tableFilters);\n};\n\n/**\n * Update the specified table based on its current values.\n *\n * @param {HTMLElement} tableRoot\n * @param {Bool} resetContent\n * @returns {Promise}\n */\nexport const refreshTableContent = (tableRoot, resetContent = false) => {\n    const filterset = getFiltersetFromTable(tableRoot);\n    addIconToContainer(tableRoot);\n\n    const pendingPromise = new Pending('core_table/dynamic:refreshTableContent');\n\n    return fetchTableData(\n        tableRoot.dataset.tableComponent,\n        tableRoot.dataset.tableHandler,\n        tableRoot.dataset.tableUniqueid,\n        {\n            sortData: JSON.parse(tableRoot.dataset.tableSortData),\n            joinType: filterset.jointype,\n            filters: filterset.filters,\n            firstinitial: tableRoot.dataset.tableFirstInitial,\n            lastinitial: tableRoot.dataset.tableLastInitial,\n            pageNumber: tableRoot.dataset.tablePageNumber,\n            pageSize: tableRoot.dataset.tablePageSize,\n            hiddenColumns: JSON.parse(tableRoot.dataset.tableHiddenColumns),\n        },\n        resetContent,\n    )\n    .then(data => {\n        const placeholder = document.createElement('div');\n        placeholder.innerHTML = data.html;\n        tableRoot.replaceWith(...placeholder.childNodes);\n\n        // Update the tableRoot.\n        return getTableFromId(tableRoot.dataset.tableUniqueid);\n    }).then(tableRoot => {\n        tableRoot.dispatchEvent(new CustomEvent(Events.tableContentRefreshed, {\n            bubbles: true,\n        }));\n\n        return tableRoot;\n    })\n    .then(tableRoot => {\n        pendingPromise.resolve();\n\n        return tableRoot;\n    });\n};\n\nexport const updateTable = (tableRoot, {\n    sortBy = null,\n    sortOrder = null,\n    filters = null,\n    firstInitial = null,\n    lastInitial = null,\n    pageNumber = null,\n    pageSize = null,\n    hiddenColumns = null,\n} = {}, refreshContent = true) => {\n    checkTableIsDynamic(tableRoot);\n\n    const pendingPromise = new Pending('core_table/dynamic:updateTable');\n    let tableConfigChanged = false;\n\n    // Update sort fields.\n    if (sortBy && sortOrder) {\n        // Always update the table if requested and there were sort fields.\n        // These fields are only ever normalised in the backend.\n        tableConfigChanged = true;\n\n        const sortData = JSON.parse(tableRoot.dataset.tableSortData);\n        sortData.unshift({\n            sortby: sortBy,\n            sortorder: parseInt(sortOrder, 10),\n        });\n        tableRoot.dataset.tableSortData = JSON.stringify(sortData);\n    }\n\n    // Update initials.\n    if (firstInitial !== null) {\n        if (tableRoot.dataset.tableFirstInitial !== firstInitial) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableFirstInitial = firstInitial;\n    }\n\n    if (lastInitial !== null) {\n        if (tableRoot.dataset.tableLastInitial !== lastInitial) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableLastInitial = lastInitial;\n    }\n\n    if (pageSize !== null) {\n        if (tableRoot.dataset.tablePageSize != pageSize) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tablePageSize = pageSize;\n    }\n\n    // Update filters.\n    if (filters) {\n        const filterJson = JSON.stringify(filters);\n\n        if (tableRoot.dataset.tableFilters !== filterJson) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableFilters = filterJson;\n    }\n\n    // Reset to page 1 when table content is being altered by filtering or sorting.\n    // This ensures the table page being loaded always exists, and gives a consistent experience.\n    if (tableConfigChanged) {\n        pageNumber = 1;\n    }\n\n    // Update hidden columns.\n    if (hiddenColumns) {\n        const columnJson = JSON.stringify(hiddenColumns);\n\n        if (tableRoot.dataset.tableHiddenColumns !== columnJson) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableHiddenColumns = columnJson;\n    }\n\n    if (pageNumber !== null) {\n        if (tableRoot.dataset.tablePageNumber != pageNumber) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tablePageNumber = pageNumber;\n    }\n\n    // Refresh.\n    if (refreshContent && tableConfigChanged) {\n        return refreshTableContent(tableRoot)\n        .then(tableRoot => {\n            pendingPromise.resolve();\n            return tableRoot;\n        });\n    } else {\n        pendingPromise.resolve();\n        return Promise.resolve(tableRoot);\n    }\n};\n\n/**\n * Get the table dataset for the specified tableRoot, ensuring that the provided table is a dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {DOMStringMap}\n */\nconst getTableData = tableRoot => {\n    checkTableIsDynamic(tableRoot);\n\n    return tableRoot.dataset;\n};\n\n/**\n * Update the specified table using the new filters.\n *\n * @param {HTMLElement} tableRoot\n * @param {Object} filters\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setFilters = (tableRoot, filters, refreshContent = true) =>\n    updateTable(tableRoot, {filters}, refreshContent);\n\n/**\n * Get the filter data for the specified table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Object}\n */\nexport const getFilters = tableRoot => {\n    checkTableIsDynamic(tableRoot);\n\n    return getFiltersetFromTable(tableRoot);\n};\n\n/**\n * Update the sort order.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} sortBy\n * @param {Number} sortOrder\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setSortOrder = (tableRoot, sortBy, sortOrder, refreshContent = true) =>\n    updateTable(tableRoot, {sortBy, sortOrder}, refreshContent);\n\n/**\n * Set the page number.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} pageNumber\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setPageNumber = (tableRoot, pageNumber, refreshContent = true) =>\n    updateTable(tableRoot, {pageNumber}, refreshContent);\n\n/**\n * Get the current page number.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Number}\n */\nexport const getPageNumber = tableRoot => getTableData(tableRoot).tablePageNumber;\n\n/**\n * Set the page size.\n *\n * @param {HTMLElement} tableRoot\n * @param {Number} pageSize\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setPageSize = (tableRoot, pageSize, refreshContent = true) =>\n    updateTable(tableRoot, {pageSize, pageNumber: 1}, refreshContent);\n\n/**\n * Get the current page size.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Number}\n */\nexport const getPageSize = tableRoot => getTableData(tableRoot).tablePageSize;\n\n/**\n * Update the first initial to show.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} firstInitial\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setFirstInitial = (tableRoot, firstInitial, refreshContent = true) =>\n    updateTable(tableRoot, {firstInitial}, refreshContent);\n\n/**\n * Get the current first initial filter.\n *\n * @param {HTMLElement} tableRoot\n * @returns {String}\n */\nexport const getFirstInitial = tableRoot => getTableData(tableRoot).tableFirstInitial;\n\n/**\n * Update the last initial to show.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} lastInitial\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setLastInitial = (tableRoot, lastInitial, refreshContent = true) =>\n    updateTable(tableRoot, {lastInitial}, refreshContent);\n\n/**\n * Get the current last initial filter.\n *\n * @param {HTMLElement} tableRoot\n * @returns {String}\n */\nexport const getLastInitial = tableRoot => getTableData(tableRoot).tableLastInitial;\n\n/**\n * Hide a column in the participants table.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} columnToHide\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const hideColumn = (tableRoot, columnToHide, refreshContent = true) => {\n    const hiddenColumns = JSON.parse(tableRoot.dataset.tableHiddenColumns);\n    hiddenColumns.push(columnToHide);\n\n    return updateTable(tableRoot, {hiddenColumns}, refreshContent);\n};\n\n/**\n * Make a hidden column visible in the participants table.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} columnToShow\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const showColumn = (tableRoot, columnToShow, refreshContent = true) => {\n    let hiddenColumns = JSON.parse(tableRoot.dataset.tableHiddenColumns);\n    hiddenColumns = hiddenColumns.filter(columnName => columnName !== columnToShow);\n\n    return updateTable(tableRoot, {hiddenColumns}, refreshContent);\n};\n\n/**\n * Reset table preferences.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Promise}\n */\nconst resetTablePreferences = tableRoot => refreshTableContent(tableRoot, true);\n\n/**\n * Set up listeners to handle table updates.\n */\nexport const init = () => {\n    if (watching) {\n        // Already watching.\n        return;\n    }\n    watching = true;\n\n    document.addEventListener('click', e => {\n        const tableRoot = e.target.closest(Selectors.main.region);\n\n        if (!tableRoot) {\n            return;\n        }\n\n        const sortableLink = e.target.closest(Selectors.table.links.sortableColumn);\n        if (sortableLink) {\n            e.preventDefault();\n\n            setSortOrder(tableRoot, sortableLink.dataset.sortby, sortableLink.dataset.sortorder)\n            .catch(Notification.exception);\n        }\n\n        const firstInitialLink = e.target.closest(Selectors.initialsBar.links.firstInitial);\n        if (firstInitialLink !== null) {\n            e.preventDefault();\n\n            setFirstInitial(tableRoot, firstInitialLink.dataset.initial).catch(Notification.exception);\n        }\n\n        const lastInitialLink = e.target.closest(Selectors.initialsBar.links.lastInitial);\n        if (lastInitialLink !== null) {\n            e.preventDefault();\n\n            setLastInitial(tableRoot, lastInitialLink.dataset.initial).catch(Notification.exception);\n        }\n\n        const pageItem = e.target.closest(Selectors.paginationBar.links.pageItem);\n        if (pageItem) {\n            e.preventDefault();\n\n            setPageNumber(tableRoot, pageItem.dataset.pageNumber).catch(Notification.exception);\n        }\n\n        const hide = e.target.closest(Selectors.table.links.hide);\n        if (hide) {\n            e.preventDefault();\n\n            hideColumn(tableRoot, hide.dataset.column).catch(Notification.exception);\n        }\n\n        const show = e.target.closest(Selectors.table.links.show);\n        if (show) {\n            e.preventDefault();\n\n            showColumn(tableRoot, show.dataset.column).catch(Notification.exception);\n        }\n\n        const resetTablePreferencesLink = e.target.closest('.resettable a');\n        if (resetTablePreferencesLink) {\n            e.preventDefault();\n\n            resetTablePreferences(tableRoot).catch(Notification.exception);\n        }\n    });\n};\n\n/**\n * Fetch the table via its table region id.\n *\n * @param {String} tableRegionId\n * @returns {HTMLElement}\n */\nexport const getTableFromId = tableRegionId => {\n    const tableRoot = document.querySelector(Selectors.main.fromRegionId(tableRegionId));\n\n\n    if (!tableRoot) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    return tableRoot;\n};\n\nexport {\n    Events\n};\n"],"file":"dynamic.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to handle dynamic table features.\n *\n * @module     core_table/dynamic\n * @package    core_table\n * @copyright  2020 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as Selectors from 'core_table/local/dynamic/selectors';\nimport Events from './local/dynamic/events';\nimport Pending from 'core/pending';\nimport {addIconToContainer} from 'core/loadingicon';\nimport {fetch as fetchTableData} from 'core_table/local/dynamic/repository';\nimport Notification from 'core/notification';\n\nlet watching = false;\n\n/**\n * Ensure that a table is a dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Bool}\n */\nconst checkTableIsDynamic = tableRoot => {\n    if (!tableRoot) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    if (!tableRoot.matches(Selectors.main.region)) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    return true;\n};\n\n/**\n * Get the filterset data from a known dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Object}\n */\nconst getFiltersetFromTable = tableRoot => {\n    return JSON.parse(tableRoot.dataset.tableFilters);\n};\n\n/**\n * Update the specified table based on its current values.\n *\n * @param {HTMLElement} tableRoot\n * @param {Bool} resetContent\n * @returns {Promise}\n */\nexport const refreshTableContent = (tableRoot, resetContent = false) => {\n    const filterset = getFiltersetFromTable(tableRoot);\n    addIconToContainer(tableRoot);\n\n    const pendingPromise = new Pending('core_table/dynamic:refreshTableContent');\n\n    return fetchTableData(\n        tableRoot.dataset.tableComponent,\n        tableRoot.dataset.tableHandler,\n        tableRoot.dataset.tableUniqueid,\n        {\n            sortData: JSON.parse(tableRoot.dataset.tableSortData),\n            joinType: filterset.jointype,\n            filters: filterset.filters,\n            firstinitial: tableRoot.dataset.tableFirstInitial,\n            lastinitial: tableRoot.dataset.tableLastInitial,\n            pageNumber: tableRoot.dataset.tablePageNumber,\n            pageSize: tableRoot.dataset.tablePageSize,\n            hiddenColumns: JSON.parse(tableRoot.dataset.tableHiddenColumns),\n        },\n        resetContent,\n    )\n    .then(data => {\n        const placeholder = document.createElement('div');\n        placeholder.innerHTML = data.html;\n        tableRoot.replaceWith(...placeholder.childNodes);\n\n        // Update the tableRoot.\n        return getTableFromId(tableRoot.dataset.tableUniqueid);\n    }).then(tableRoot => {\n        tableRoot.dispatchEvent(new CustomEvent(Events.tableContentRefreshed, {\n            bubbles: true,\n        }));\n\n        return tableRoot;\n    })\n    .then(tableRoot => {\n        pendingPromise.resolve();\n\n        return tableRoot;\n    });\n};\n\nexport const updateTable = (tableRoot, {\n    sortBy = null,\n    sortOrder = null,\n    filters = null,\n    firstInitial = null,\n    lastInitial = null,\n    pageNumber = null,\n    pageSize = null,\n    hiddenColumns = null,\n} = {}, refreshContent = true) => {\n    checkTableIsDynamic(tableRoot);\n\n    const pendingPromise = new Pending('core_table/dynamic:updateTable');\n    let tableConfigChanged = false;\n\n    // Update sort fields.\n    if (sortBy && sortOrder) {\n        // Always update the table if requested and there were sort fields.\n        // These fields are only ever normalised in the backend.\n        tableConfigChanged = true;\n\n        const sortData = JSON.parse(tableRoot.dataset.tableSortData);\n        sortData.unshift({\n            sortby: sortBy,\n            sortorder: parseInt(sortOrder, 10),\n        });\n        tableRoot.dataset.tableSortData = JSON.stringify(sortData);\n    }\n\n    // Update initials.\n    if (firstInitial !== null) {\n        if (tableRoot.dataset.tableFirstInitial !== firstInitial) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableFirstInitial = firstInitial;\n    }\n\n    if (lastInitial !== null) {\n        if (tableRoot.dataset.tableLastInitial !== lastInitial) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableLastInitial = lastInitial;\n    }\n\n    if (pageSize !== null) {\n        if (tableRoot.dataset.tablePageSize != pageSize) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tablePageSize = pageSize;\n    }\n\n    // Update filters.\n    if (filters) {\n        const filterJson = JSON.stringify(filters);\n\n        if (tableRoot.dataset.tableFilters !== filterJson) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableFilters = filterJson;\n    }\n\n    // Reset to page 1 when table content is being altered by filtering or sorting.\n    // This ensures the table page being loaded always exists, and gives a consistent experience.\n    if (tableConfigChanged) {\n        pageNumber = 1;\n    }\n\n    // Update hidden columns.\n    if (hiddenColumns) {\n        const columnJson = JSON.stringify(hiddenColumns);\n\n        if (tableRoot.dataset.tableHiddenColumns !== columnJson) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableHiddenColumns = columnJson;\n    }\n\n    if (pageNumber !== null) {\n        if (tableRoot.dataset.tablePageNumber != pageNumber) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tablePageNumber = pageNumber;\n    }\n\n    // Refresh.\n    if (refreshContent && tableConfigChanged) {\n        return refreshTableContent(tableRoot)\n        .then(tableRoot => {\n            pendingPromise.resolve();\n            return tableRoot;\n        });\n    } else {\n        pendingPromise.resolve();\n        return Promise.resolve(tableRoot);\n    }\n};\n\n/**\n * Get the table dataset for the specified tableRoot, ensuring that the provided table is a dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {DOMStringMap}\n */\nconst getTableData = tableRoot => {\n    checkTableIsDynamic(tableRoot);\n\n    return tableRoot.dataset;\n};\n\n/**\n * Update the specified table using the new filters.\n *\n * @param {HTMLElement} tableRoot\n * @param {Object} filters\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setFilters = (tableRoot, filters, refreshContent = true) =>\n    updateTable(tableRoot, {filters}, refreshContent);\n\n/**\n * Get the filter data for the specified table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Object}\n */\nexport const getFilters = tableRoot => {\n    checkTableIsDynamic(tableRoot);\n\n    return getFiltersetFromTable(tableRoot);\n};\n\n/**\n * Update the sort order.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} sortBy\n * @param {Number} sortOrder\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setSortOrder = (tableRoot, sortBy, sortOrder, refreshContent = true) =>\n    updateTable(tableRoot, {sortBy, sortOrder}, refreshContent);\n\n/**\n * Set the page number.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} pageNumber\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setPageNumber = (tableRoot, pageNumber, refreshContent = true) =>\n    updateTable(tableRoot, {pageNumber}, refreshContent);\n\n/**\n * Get the current page number.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Number}\n */\nexport const getPageNumber = tableRoot => getTableData(tableRoot).tablePageNumber;\n\n/**\n * Set the page size.\n *\n * @param {HTMLElement} tableRoot\n * @param {Number} pageSize\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setPageSize = (tableRoot, pageSize, refreshContent = true) =>\n    updateTable(tableRoot, {pageSize, pageNumber: 1}, refreshContent);\n\n/**\n * Get the current page size.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Number}\n */\nexport const getPageSize = tableRoot => getTableData(tableRoot).tablePageSize;\n\n/**\n * Update the first initial to show.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} firstInitial\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setFirstInitial = (tableRoot, firstInitial, refreshContent = true) =>\n    updateTable(tableRoot, {firstInitial}, refreshContent);\n\n/**\n * Get the current first initial filter.\n *\n * @param {HTMLElement} tableRoot\n * @returns {String}\n */\nexport const getFirstInitial = tableRoot => getTableData(tableRoot).tableFirstInitial;\n\n/**\n * Update the last initial to show.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} lastInitial\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setLastInitial = (tableRoot, lastInitial, refreshContent = true) =>\n    updateTable(tableRoot, {lastInitial}, refreshContent);\n\n/**\n * Get the current last initial filter.\n *\n * @param {HTMLElement} tableRoot\n * @returns {String}\n */\nexport const getLastInitial = tableRoot => getTableData(tableRoot).tableLastInitial;\n\n/**\n * Hide a column in the participants table.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} columnToHide\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const hideColumn = (tableRoot, columnToHide, refreshContent = true) => {\n    const hiddenColumns = JSON.parse(tableRoot.dataset.tableHiddenColumns);\n    hiddenColumns.push(columnToHide);\n\n    return updateTable(tableRoot, {hiddenColumns}, refreshContent);\n};\n\n/**\n * Make a hidden column visible in the participants table.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} columnToShow\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const showColumn = (tableRoot, columnToShow, refreshContent = true) => {\n    let hiddenColumns = JSON.parse(tableRoot.dataset.tableHiddenColumns);\n    hiddenColumns = hiddenColumns.filter(columnName => columnName !== columnToShow);\n\n    return updateTable(tableRoot, {hiddenColumns}, refreshContent);\n};\n\n/**\n * Reset table preferences.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Promise}\n */\nconst resetTablePreferences = tableRoot => refreshTableContent(tableRoot, true);\n\n/**\n * Set up listeners to handle table updates.\n */\nexport const init = () => {\n    if (watching) {\n        // Already watching.\n        return;\n    }\n    watching = true;\n\n    document.addEventListener('click', e => {\n        const tableRoot = e.target.closest(Selectors.main.region);\n\n        if (!tableRoot) {\n            return;\n        }\n\n        const sortableLink = e.target.closest(Selectors.table.links.sortableColumn);\n        if (sortableLink) {\n            e.preventDefault();\n\n            setSortOrder(tableRoot, sortableLink.dataset.sortby, sortableLink.dataset.sortorder)\n            .catch(Notification.exception);\n        }\n\n        const firstInitialLink = e.target.closest(Selectors.initialsBar.links.firstInitial);\n        if (firstInitialLink !== null) {\n            e.preventDefault();\n\n            setFirstInitial(tableRoot, firstInitialLink.dataset.initial).catch(Notification.exception);\n        }\n\n        const lastInitialLink = e.target.closest(Selectors.initialsBar.links.lastInitial);\n        if (lastInitialLink !== null) {\n            e.preventDefault();\n\n            setLastInitial(tableRoot, lastInitialLink.dataset.initial).catch(Notification.exception);\n        }\n\n        const pageItem = e.target.closest(Selectors.paginationBar.links.pageItem);\n        if (pageItem) {\n            e.preventDefault();\n\n            setPageNumber(tableRoot, pageItem.dataset.pageNumber).catch(Notification.exception);\n        }\n\n        const hide = e.target.closest(Selectors.table.links.hide);\n        if (hide) {\n            e.preventDefault();\n\n            hideColumn(tableRoot, hide.dataset.column).catch(Notification.exception);\n        }\n\n        const show = e.target.closest(Selectors.table.links.show);\n        if (show) {\n            e.preventDefault();\n\n            showColumn(tableRoot, show.dataset.column).catch(Notification.exception);\n        }\n\n        const resetTablePreferencesLink = e.target.closest('.resettable a');\n        if (resetTablePreferencesLink) {\n            e.preventDefault();\n\n            resetTablePreferences(tableRoot).catch(Notification.exception);\n        }\n    });\n};\n\n/**\n * Fetch the table via its table region id.\n *\n * @param {String} tableRegionId\n * @returns {HTMLElement}\n */\nexport const getTableFromId = tableRegionId => {\n    const tableRoot = document.querySelector(Selectors.main.fromRegionId(tableRegionId));\n\n\n    if (!tableRoot) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    return tableRoot;\n};\n\nexport {\n    Events\n};\n"],"file":"dynamic.min.js"}
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-actionmenu/moodle-core-actionmenu-min.js b/lib/yui/build/moodle-core-actionmenu/moodle-core-actionmenu-min.js
index 9c095343bef..a5f02ccf740 100644
--- a/lib/yui/build/moodle-core-actionmenu/moodle-core-actionmenu-min.js
+++ b/lib/yui/build/moodle-core-actionmenu/moodle-core-actionmenu-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-core-actionmenu",function(e,t){var n,s=e.one(e.config.doc.body),o="action-menu-shown",h={CAN_RECEIVE_FOCUS_SELECTOR:'input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]',MENU:".moodle-actionmenu[data-enhance=moodle-core-actionmenu]",MENUBAR:'[role="menubar"]',MENUITEM:'[role="menuitem"]',MENUCONTENT:".menu[data-rel=menu-content]",MENUCONTENTCHILD:"li a",MENUCHILD:".menu li a",TOGGLE:".toggle-display",KEEPOPEN:'[data-keepopen="1"]',MENUBARITEMS:['[role="menubar"] > [role="menuitem"]','[role="menubar"] > [role="presentation"] > [role="menuitem"]'],MENUITEMS:['> [role="menuitem"]','> [role="presentation"] > [role="menuitem"]']},i="tr",u="br";(n=function(){n.superclass.constructor.apply(this,arguments)}).prototype={dialogue:null,events:[],owner:null,menulink:null,menuChildren:null,firstMenuChild:null,lastMenuChild:null,initializer:function(){e.all(h.MENU).each(this.enhance,this),s.delegate("key",this.moveMenuItem,"down:37,39",h.MENUBARITEMS.join(","),this),s.delegate("click",this.toggleMenu,h.MENU+" "+h.TOGGLE,this),s.delegate("key",this.showIfHidden,"down:enter,38,40",h.MENU+" "+h.TOGGLE,this),s.delegate("key",function(e){e.currentTarget.simulate("click"),e.preventDefault()},"down:32",h.MENUBARITEMS.join(","))},enhance:function(e){var t,n=e.one(h.MENUCONTENT);if(!n)return!1;t=n.getData("align")||this.get("align").join("-"),e.one(h.TOGGLE).set("aria-haspopup",!0),n.set("aria-hidden",!0),n.hasClass("align-"+t)||n.addClass("align-"+t),n.getDOMNode().childElementCount&&e.setAttribute("data-enhanced","1")},moveMenuItem:function(e){var t,n=e.target.ancestor(h.MENUITEM,!0);return 37===e.keyCode?t=this.getMenuItem(n,!0):39===e.keyCode&&(t=this.getMenuItem(n)),t&&t.focus(),this},getMenuItem:function(e,t){var n,i,s,o,u,l=e.ancestor(h.MENUBAR);if(!l)return null;if(!(n=l.all(h.MENUITEMS.join(","))))return null;if(1===(s=n.size()))return null;for(u=1,o=o=0;o<s&&n.item(o)!==e;o++);if(n.item(o)!==e)return null;for(t&&(u=-1);o+=u,(i=n.item(o))&&i.hasAttribute("hidden"););return i},hideMenu:function(e){for(var t in this.dialogue&&(this.dialogue.removeClass("show"),this.dialogue.one(h.MENUCONTENT).set("aria-hidden",!0),this.dialogue=null),this.events)this.events[t].detach&&this.events[t].detach();this.events=[],this.owner&&(this.owner.removeClass(o),this.owner=null),this.menulink&&("click"!=e.type&&this.menulink.focus(),this.menulink=null)},showIfHidden:function(e){var t=e.target.ancestor(h.MENU);return t.hasClass("show")||(e.preventDefault(),this.showMenu(e,t)),this},toggleMenu:function(e){var t=e.target.ancestor(h.MENU),n=t.hasClass("show");e.halt(!0),this.hideMenu(e),n||this.showMenu(e,t)},handleKeyboardEvent:function(e){var t,n,i,s,o,u=function(e){e.preventDefault(),e.stopPropagation()};if(e.currentTarget.ancestor(h.TOGGLE,!0))return(40===e.keyCode||9===e.keyCode&&!e.shiftKey)&&this.firstMenuChild?(this.firstMenuChild.focus(),u(e)):38===e.keyCode&&this.lastMenuChild?(this.lastMenuChild.focus(),u(e)):9===e.keyCode&&e.shiftKey&&(this.hideMenu(e),u(e)),this;if(27===e.keyCode)this.hideMenu(e),u(e);else if(32===e.keyCode)u(e),e.currentTarget.simulate("click");else if(9===e.keyCode)e.target===this.firstMenuChild&&e.shiftKey?(this.hideMenu(e),u(e)):e.target!==this.lastMenuChild||e.shiftKey||this.hideMenu(e)&&(t=this.menulink.next(h.CAN_RECEIVE_FOCUS_SELECTOR))&&(t.focus(),u(e));else if(38===e.keyCode||40===e.keyCode){for(n=!1,s=1,o=i=0;!n&&i<this.menuChildren.size();)this.menuChildren.item(i)===e.currentTarget?n=!0:i++;if(!n)return;for(38===e.keyCode&&(s=-1);(i+=s)<0?i=this.menuChildren.size()-1:i>=this.menuChildren.size()&&(i=0),t=this.menuChildren.item(i),++o<this.menuChildren.size()&&t!==e.currentTarget&&t.hasClass("hidden"););t&&(t.focus(),u(e))}},hideIfOutside:function(e){e.target.ancestor(h.MENUCONTENT,!0)||this.hideMenu(e)},showMenu:function(e,t){var n=t.getData("owner"),i=t.one(h.MENUCONTENT);return this.owner=n?t.ancestor(n):null,(this.dialogue=t).addClass("show"),this.owner?(this.owner.addClass(o),this.menulink=this.owner.one(h.TOGGLE)):this.menulink=e.target.ancestor(h.TOGGLE,!0),this.constrain(i.set("aria-hidden",!1)),this.menuChildren=this.dialogue.all(h.MENUCHILD),0<this.menuChildren.size()&&(this.firstMenuChild=this.menuChildren.item(0),this.lastMenuChild=this.menuChildren.item(this.menuChildren.size()-1),this.firstMenuChild.focus()),this.events.push(s.on("key",this.hideMenu,"esc",this)),this.events.push(s.on("click",this.hideIfOutside,this)),this.events.push(s.delegate("focus",this.hideIfOutside,"*",this)),this.events.push(t.delegate("key",this.handleKeyboardEvent,"down:9, 27, 38, 40, 32",h.MENUCHILD+", "+h.TOGGLE,this)),this.events.push(t.delegate("click",function(e){e.currentTarget.test(h.KEEPOPEN)||this.hideMenu(e)},h.MENUCHILD,this)),!0},constrain:function(e){var t,n,i=e.getData("constraint"),s=e.getX(),o=e.getY(),u=e.get("offsetWidth"),l=e.get("offsetHeight"),h=0,a=0,r="auto",d=null,c=null,M=null,m=null,f=null;if((i=i&&e.ancestor(i))?(t=i.get("offsetWidth"),n=i.get("offsetHeight"),h=i.getX(),a=i.getY(),r=i.getStyle("overflow")||"auto"):(t=e.get("docWidth"),n=e.get("docHeight")),t<u?(d=u=t,M=s=h):s<h?M=s=h:h+t<=s+u&&(M=h+t-u),n<l&&"hidden"===r.toLowerCase()&&(c=l=n,e.setStyle("overflow","auto")),a<=o&&a+n<o+l){m=a+n-l;try{f=e.getStyle("boxShadow").replace(/.*? (\d+)px \d+px$/,"$1"),new RegExp(/^\d+$/).test(f)&&f<m-a&&(m-=f)}catch(E){}}null!==M&&e.setX(M),null!==m&&e.setY(m),null!==d&&e.setStyle("width",d.toString()+"px"),null!==c&&e.setStyle("height",c.toString()+"px")}},e.extend(n,e.Base,n.prototype,{NAME:"moodle-core-actionmenu",ATTRS:{align:{value:[i,u]}}}),M.core=M.core||{},M.core.actionmenu=M.core.actionmenu||{},M.core.actionmenu.instance=null,M.core.actionmenu.init=M.core.actionmenu.init||function(e){M.core.actionmenu.instance=M.core.actionmenu.instance||new n(e)},M.core.actionmenu.newDOMNode=function(e){if(null===M.core.actionmenu.instance)return!0;e.all(h.MENU).each(M.core.actionmenu.instance.enhance,M.core.actionmenu.instance)}},"@VERSION@",{
-requires:["base","event","node-event-simulate"]});
\ No newline at end of file
+YUI.add("moodle-core-actionmenu",function(e,t){var s=e.one(e.config.doc.body),o="action-menu-shown",a={CAN_RECEIVE_FOCUS_SELECTOR:'input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]',MENU:".moodle-actionmenu[data-enhance=moodle-core-actionmenu]",MENUBAR:'[role="menubar"]',MENUITEM:'[role="menuitem"]',MENUCONTENT:".menu[data-rel=menu-content]",MENUCONTENTCHILD:"li a",MENUCHILD:".menu li a",TOGGLE:".toggle-display",KEEPOPEN:'[data-keepopen="1"]',MENUBARITEMS:['[role="menubar"] > [role="menuitem"]','[role="menubar"] > [role="presentation"] > [role="menuitem"]'],MENUITEMS:['> [role="menuitem"]','> [role="presentation"] > [role="menuitem"]']},n="tr",i="br",u=function(){u.superclass.constructor.apply(this,arguments)};e.extend(u,e.Base,u.prototype={dialogue:null,events:[],owner:null,menulink:null,menuChildren:null,firstMenuChild:null,lastMenuChild:null,initializer:function(){e.all(a.MENU).each(this.enhance,this),s.delegate("key",this.moveMenuItem,"down:37,39",a.MENUBARITEMS.join(","),this),s.delegate("click",this.toggleMenu,a.MENU+" "+a.TOGGLE,this),s.delegate("key",this.showIfHidden,"down:enter,38,40",a.MENU+" "+a.TOGGLE,this),s.delegate("key",function(e){e.currentTarget.simulate("click"),e.preventDefault()},"down:32",a.MENUBARITEMS.join(","))},enhance:function(e){var t,n=e.one(a.MENUCONTENT);if(!n)return!1;t=n.getData("align")||this.get("align").join("-"),e.one(a.TOGGLE).set("aria-haspopup",!0),n.set("aria-hidden",!0),n.hasClass("align-"+t)||n.addClass("align-"+t),n.getDOMNode().childElementCount&&e.setAttribute("data-enhanced","1")},moveMenuItem:function(e){var t,n=e.target.ancestor(a.MENUITEM,!0);return 37===e.keyCode?t=this.getMenuItem(n,!0):39===e.keyCode&&(t=this.getMenuItem(n)),t&&t.focus(),this},getMenuItem:function(e,t){var n,i,s,o,u,h=e.ancestor(a.MENUBAR);if(!h)return null;if(!(n=h.all(a.MENUITEMS.join(","))))return null;if(1===(s=n.size()))return null;for(u=1,o=o=0;o<s&&n.item(o)!==e;o++);if(n.item(o)!==e)return null;for(t&&(u=-1);(i=n.item(o+=u))&&i.hasAttribute("hidden"););return i},hideMenu:function(e){for(var t in this.dialogue&&(this.dialogue.removeClass("show"),this.dialogue.one(a.MENUCONTENT).set("aria-hidden",!0),this.dialogue=null),this.events)this.events[t].detach&&this.events[t].detach();this.events=[],this.owner&&(this.owner.removeClass(o),this.owner=null),this.menulink&&("click"!=e.type&&this.menulink.focus(),this.menulink=null)},showIfHidden:function(e){var t=e.target.ancestor(a.MENU);return t.hasClass("show")||(e.preventDefault(),this.showMenu(e,t)),this},toggleMenu:function(e){var t=e.target.ancestor(a.MENU),n=t.hasClass("show");e.halt(!0),this.hideMenu(e),n||this.showMenu(e,t)},handleKeyboardEvent:function(e){var t,n,i,s,o,u=function(e){e.preventDefault(),e.stopPropagation()};if(e.currentTarget.ancestor(a.TOGGLE,!0))return(40===e.keyCode||9===e.keyCode&&!e.shiftKey)&&this.firstMenuChild?(this.firstMenuChild.focus(),u(e)):38===e.keyCode&&this.lastMenuChild?(this.lastMenuChild.focus(),u(e)):9===e.keyCode&&e.shiftKey&&(this.hideMenu(e),u(e)),this;if(27===e.keyCode)this.hideMenu(e),u(e);else if(32===e.keyCode)u(e),e.currentTarget.simulate("click");else if(9===e.keyCode)e.target===this.firstMenuChild&&e.shiftKey?(this.hideMenu(e),u(e)):e.target!==this.lastMenuChild||e.shiftKey||this.hideMenu(e)&&(t=this.menulink.next(a.CAN_RECEIVE_FOCUS_SELECTOR))&&(t.focus(),u(e));else if(38===e.keyCode||40===e.keyCode){for(n=!1,s=1,o=i=0;!n&&i<this.menuChildren.size();)this.menuChildren.item(i)===e.currentTarget?n=!0:i++;if(n){for(38===e.keyCode&&(s=-1);(i+=s)<0?i=this.menuChildren.size()-1:i>=this.menuChildren.size()&&(i=0),t=this.menuChildren.item(i),++o<this.menuChildren.size()&&t!==e.currentTarget&&t.hasClass("hidden"););t&&(t.focus(),u(e))}}},hideIfOutside:function(e){e.target.ancestor(a.MENUCONTENT,!0)||this.hideMenu(e)},showMenu:function(e,t){var n=t.getData("owner"),i=t.one(a.MENUCONTENT);return this.owner=n?t.ancestor(n):null,(this.dialogue=t).addClass("show"),this.owner?(this.owner.addClass(o),this.menulink=this.owner.one(a.TOGGLE)):this.menulink=e.target.ancestor(a.TOGGLE,!0),this.constrain(i.set("aria-hidden",!1)),this.menuChildren=this.dialogue.all(a.MENUCHILD),0<this.menuChildren.size()&&(this.firstMenuChild=this.menuChildren.item(0),this.lastMenuChild=this.menuChildren.item(this.menuChildren.size()-1),this.firstMenuChild.focus()),this.events.push(s.on("key",this.hideMenu,"esc",this)),this.events.push(s.on("click",this.hideIfOutside,this)),this.events.push(s.delegate("focus",this.hideIfOutside,"*",this)),this.events.push(t.delegate("key",this.handleKeyboardEvent,"down:9, 27, 38, 40, 32",a.MENUCHILD+", "+a.TOGGLE,this)),this.events.push(t.delegate("click",function(e){e.currentTarget.test(a.KEEPOPEN)||this.hideMenu(e)},a.MENUCHILD,this)),!0},constrain:function(e){var t,n,i,s=e.getData("constraint"),o=e.getX(),r=e.getY(),d=e.get("offsetWidth"),c=e.get("offsetHeight"),u=0,h=0,M="auto",m=null,f=null,a=null,l=null;if((s=s&&e.ancestor(s))?(t=s.get("offsetWidth"),n=s.get("offsetHeight"),u=s.getX(),h=s.getY(),M=s.getStyle("overflow")||"auto"):(t=e.get("docWidth"),n=e.get("docHeight")),t<d?(m=d=t,a=o=u):o<u?a=o=u:u+t<=o+d&&(a=u+t-d),n<c&&"hidden"===M.toLowerCase()&&(f=c=n,e.setStyle("overflow","auto")),h<=r&&h+n<r+c){l=h+n-c;try{i=e.getStyle("boxShadow").replace(/.*? (\d+)px \d+px$/,"$1"),new RegExp(/^\d+$/).test(i)&&i<l-h&&(l-=i)}catch(E){}}null!==a&&e.setX(a),null!==l&&e.setY(l),null!==m&&e.setStyle("width",m.toString()+"px"),null!==f&&e.setStyle("height",f.toString()+"px")}},{NAME:"moodle-core-actionmenu",ATTRS:{align:{value:[n,i]}}}),M.core=M.core||{},M.core.actionmenu=M.core.actionmenu||{},M.core.actionmenu.instance=null,M.core.actionmenu.init=M.core.actionmenu.init||function(e){M.core.actionmenu.instance=M.core.actionmenu.instance||new u(e)},M.core.actionmenu.newDOMNode=function(e){if(null===M.core.actionmenu.instance)return!0;e.all(a.MENU).each(M.core.actionmenu.instance.enhance,M.core.actionmenu.instance)}},"@VERSION@",{requires:["base","event",
+"node-event-simulate"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-blocks/moodle-core-blocks-min.js b/lib/yui/build/moodle-core-blocks/moodle-core-blocks-min.js
index 5da8f0a74db..3b1c49cf410 100644
--- a/lib/yui/build/moodle-core-blocks/moodle-core-blocks-min.js
+++ b/lib/yui/build/moodle-core-blocks/moodle-core-blocks-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-core-blocks",function(g,e){var o,a,r="/lib/ajax/blocks.php",d="block",c="block-region",l="block_adminblock",u="editing_move",t="header",p="region-content",h="skip-block",i="skip-block-to",_="page-my-index",b="region-main",n="blocks-moving",f={DRAGHANDLE:"."+t+" .commands .moodle-core-dragdrop-draghandle"},s=function(){s.superclass.constructor.apply(this,arguments)};g.extend(s,M.core.dragdrop,{skipnodetop:null,skipnodebottom:null,dragsourceregion:null,initializer:function(){var e,o,t,i,n,s,r;if(this.groups=["block"],this.samenodeclass=d,this.parentnodeclass=p,0<(e=g.Node.all("body#"+_+" #"+b+" > ."+p)).size()&&((o=e.item(0)).addClass(c),o.set("id",p),o.one("div").addClass(p)),0===(t=g.Node.all("div."+c)).size())return!1;t.size()!==this.get("regions").length&&(i=g.Node.create("<div></div>").addClass(c),n=g.Node.create("<div></div>").addClass(p),i.appendChild(n),s=t.filter("#region-pre"),r=t.filter("#region-post"),0===s.size()&&1===r.size()?(i.setAttrs({id:"region-pre"}),r.item(0).insert(i,"before"),t.unshift(i)):0===r.size()&&1===s.size()&&(i.setAttrs({id:"region-post"}),s.item(0).insert(i,"after"),t.push(i))),t.each(function(e){var o;new g.DD.Drop({node:e.one("div."+p),groups:this.groups,padding:"40 240 40 240"}),(o=new g.DD.Delegate({container:e,nodes:"."+d,target:!0,handles:[f.DRAGHANDLE],invalid:".block-hider-hide, .block-hider-show, .moveto",dragConfig:{groups:this.groups}})).dd.plug(g.Plugin.DDProxy,{moveOnEnd:!1}),o.dd.plug(g.Plugin.DDWinScroll),e.all("."+d).each(function(e){var o=e.one("a."+u);o&&(o.replace(this.get_drag_handle(o.getAttribute("title"),"","iconsmall",!0)),e.one(f.DRAGHANDLE).setStyle("cursor","move"))},this)},this)},get_block_id:function(e){return Number(e.get("id").replace(/inst/i,""))},get_block_region:function(e){var o=e.ancestor("div."+c).get("id").replace(/region-/i,"");return-1===g.Array.indexOf(this.get("regions"),o)?(window.right_to_left()&&("post"===o?o="pre":"pre"===o&&(o="post")),"side-"+o):o},get_region_id:function(e){return e.get("id").replace(/region-/i,"")},drag_start:function(e){var o=e.target;this.dragsourceregion=o.get("node").ancestor("div."+c),o.get("node").previous()&&o.get("node").previous().hasClass(h)&&(this.skipnodetop=o.get("node").previous()),o.get("node").next()&&o.get("node").next().hasClass(i)&&(this.skipnodebottom=o.get("node").next()),g.one("body").addClass(n)},drop_over:function(e){var o,t,i=e.drag.get("node"),n=e.drop.get("node");if(n.hasClass(this.parentnodeclass)&&n.one("."+l)&&n.one("."+l).next("."+d)&&n.prepend(i),this.dragsourceregion.contains(n))return!1;o=g.one("body"),t=this.get_region_id(this.dragsourceregion),o.hasClass("side-"+t+"-only")&&o.removeClass("side-"+t+"-only"),t=this.get_region_id(n.ancestor("div."+c)),0===this.dragsourceregion.all("."+d).size()&&this.dragsourceregion.get("id").match(/(region-pre|region-post)/i)&&(o.hasClass("side-"+t+"-only")||o.addClass("side-"+t+"-only"))},drag_end:function(){this.skipnodetop=null,this.skipnodebottom=null,this.dragsourceregion=null,g.one("body").removeClass(n)},drag_dropmiss:function(e){this.drop_hit(e)},drop_hit:function(i){var n,e,o=i.drag,t=o.get("node"),s=i.drop.get("node");t.previous()&&t.previous().hasClass(h)&&t.insert(t.previous(),"after"),this.skipnodetop&&t.insert(this.skipnodetop,"before"),this.skipnodebottom&&t.insert(this.skipnodebottom,"after"),n=M.util.add_lightbox(g,t),e={sesskey:M.cfg.sesskey,courseid:this.get("courseid"),pagelayout:this.get("pagelayout"),pagetype:this.get("pagetype"),subpage:this.get("subpage"),contextid:this.get("contextid"),action:"move",bui_moveid:this.get_block_id(t),bui_newregion:this.get_block_region(s)},this.get("cmid")&&(e.cmid=this.get("cmid")),t.next("."+this.samenodeclass)&&!t.next("."+this.samenodeclass).hasClass(l)&&(e.bui_beforeid=this.get_block_id(t.next("."+this.samenodeclass))),g.io(M.cfg.wwwroot+r,{method:"POST",data:e,on:{start:function(){n.show()},success:function(e,o){window.setTimeout(function(){n.hide()},250);try{var t=g.JSON.parse(o.responseText);t.error&&new M.core.ajaxException(t)}catch(i){}},failure:function(e,o){this.ajax_failure(o),n.hide()}},context:this})}},{NAME:"core-blocks-dragdrop",ATTRS:{courseid:{value:null},cmid:{value:null},contextid:{value:null},pagelayout:{value:null},pagetype:{value:null},subpage:{value:null},regions:{value:null}}}),M.core=M.core||{},M.core.blockdraganddrop=M.core.blockdraganddrop||{},M.core.blockdraganddrop._isusingnewblocksmethod=null,M.core.blockdraganddrop.is_using_blocks_render_method=function(){var e,o;return null===this._isusingnewblocksmethod&&(e=g.all(".block-region[data-blockregion]").size(),o=g.all(".block-region").size(),this._isusingnewblocksmethod=o===e),this._isusingnewblocksmethod},M.core.blockdraganddrop.init=function(e){new(this.is_using_blocks_render_method()?o:s)(e)},M.core_blocks=M.core_blocks||{},M.core_blocks.init_dragdrop=function(e){M.core.blockdraganddrop.init(e)},(o=function(){o.superclass.constructor.apply(this,arguments)}).prototype={skipnodetop:null,skipnodebottom:null,regionobjects:{},initializer:function(){var e,o,t,i,n,s=this.get("regions"),r=0;for(r in this.groups=["block"],this.samenodeclass=d,this.parentnodeclass=c,this.detectkeyboarddirection=!0,0<(i=g.Node.all("body#"+_+" #"+b+" > ."+p)).size()&&((n=i.item(0)).addClass(c),n.set("id",p),n.one("div").addClass(p)),s)o=s[r],e=new a({manager:this,region:o,node:g.one("#block-region-"+o)}),this.regionobjects[o]=e,new g.DD.Drop({node:e.get_droptarget(),groups:this.groups,padding:"40 240 40 240"}),(t=new g.DD.Delegate({container:e.get_droptarget(),nodes:"."+d,target:!0,handles:[f.DRAGHANDLE],invalid:".block-hider-hide, .block-hider-show, .moveto, .block_fake",dragConfig:{groups:this.groups}})).dd.plug(g.Plugin.DDProxy,{moveOnEnd:!1}),t.dd.plug(g.Plugin.DDWinScroll),g.DD.DDM.on("ddm:start",this.enable_all_regions,this),e.change_block_move_icons(this)},get_block_id:function(e){return Number(e.get("id").replace(/inst/i,""))},get_block_region:function(e){return e.test("[data-blockregion]")||(
-e=e.ancestor("[data-blockregion]")),e.getData("blockregion")},get_region_object:function(e){return this.regionobjects[this.get_block_region(e)]},enable_all_regions:function(){var e,o=g.DD.DDM.activeDrag.get("groups");if(o&&-1!==g.Array.indexOf(o,"block"))for(e in this.regionobjects)this.regionobjects.hasOwnProperty(e)&&this.regionobjects[e].enable()},disable_regions_if_required:function(){var e=0;for(e in this.regionobjects)this.regionobjects[e].disable_if_required()},drag_start:function(e){var o=e.target;o.get("node").previous()&&o.get("node").previous().hasClass(h)&&(this.skipnodetop=o.get("node").previous()),o.get("node").next()&&o.get("node").next().hasClass(i)&&(this.skipnodebottom=o.get("node").next())},drop_over:function(e){var o=e.drag.get("node"),t=e.drop.get("node");t.hasClass(p)&&t.one("."+l)&&t.one("."+l).next("."+d)&&t.prepend(o)},drop_end:function(){this.skipnodetop=null,this.skipnodebottom=null,this.disable_regions_if_required()},drag_dropmiss:function(e){this.drop_hit(e)},drop_hit:function(i){var n,e,o=i.drag.get("node"),t=i.drop.get("node");o.previous()&&o.previous().hasClass(h)&&o.insert(o.previous(),"after"),this.skipnodetop&&o.insert(this.skipnodetop,"before"),this.skipnodebottom&&o.insert(this.skipnodebottom,"after"),n=M.util.add_lightbox(g,o),e={sesskey:M.cfg.sesskey,courseid:this.get("courseid"),pagelayout:this.get("pagelayout"),pagetype:this.get("pagetype"),subpage:this.get("subpage"),contextid:this.get("contextid"),action:"move",bui_moveid:this.get_block_id(o),bui_newregion:this.get_block_region(t)},this.get("cmid")&&(e.cmid=this.get("cmid")),o.next("."+d)&&!o.next("."+d).hasClass(l)&&(e.bui_beforeid=this.get_block_id(o.next("."+d))),g.io(M.cfg.wwwroot+r,{method:"POST",data:e,on:{start:function(){n.show()},success:function(e,o){window.setTimeout(function(){n.hide()},250);try{var t=g.JSON.parse(o.responseText);t.error&&new M.core.ajaxException(t)}catch(i){}},failure:function(e,o){this.ajax_failure(o),n.hide()},complete:function(){this.disable_regions_if_required()}},context:this})}},g.extend(o,M.core.dragdrop,o.prototype,{NAME:"core-blocks-dragdrop-manager",ATTRS:{courseid:{value:null},cmid:{value:null},contextid:{value:null},pagelayout:{value:null},pagetype:{value:null},subpage:{value:null},regions:{value:[]}}}),(a=function(){a.superclass.constructor.apply(this,arguments)}).prototype={initializer:function(){var e,o,t,i=this.get("node");i=i||this.create_and_add_node(),e=g.one("body"),o=0<i.all("."+d).size(),t=this.get_has_region_class(),this.set("hasblocks",o),e.hasClass(t)||e.addClass(t),e.addClass(o?this.get_used_region_class():this.get_empty_region_class()),e.removeClass(o?this.get_empty_region_class():this.get_used_region_class())},create_and_add_node:function(){var e,o,t,i=g.Node.create,n=this.get("region"),s=i('<div id="block-region-'+n+'" data-droptarget="1"></div>').addClass(c).setData("blockregion",n),r=this.get("manager").get("regions"),a=!1,d=!1,l=!1;for(e in r)r[e].match(/(pre|left)/)?a=r[e]:r[e].match(/(post|right)/)&&(d=r[e]);return!1!==a&&!1!==d&&(n===a?(t=g.one("#block-region-"+d))&&(t.insert(s,"before"),l=!0):(o=g.one("#block-region-"+a))&&(o.insert(s,"after"),l=!0)),!1===l&&g.one("body").append(s),this.set("node",s),s},change_block_move_icons:function(o){var t;this.get("node").all("."+d+" a."+u).each(function(e){e.setStyle("cursor","move"),t=o.get_drag_handle(e.getAttribute("title"),"","icon",!0),e.replace(t)})},get_has_region_class:function(){return"has-region-"+this.get("region")},get_empty_region_class:function(){return"empty-region-"+this.get("region")},get_used_region_class:function(){return"used-region-"+this.get("region")},get_droptarget:function(){var e=this.get("node");return e.test('[data-droptarget="1"]')?e:e.one('[data-droptarget="1"]')},enable:function(){g.one("body").addClass(this.get_used_region_class()).removeClass(this.get_empty_region_class())},disable_if_required:function(){0===this.get("node").all("."+d).size()&&g.one("body").addClass(this.get_empty_region_class()).removeClass(this.get_used_region_class())}},g.extend(a,g.Base,a.prototype,{NAME:"core-blocks-dragdrop-blockregion",ATTRS:{manager:{writeOnce:"initOnly",validator:function(e){return g.Lang.isObject(e)&&e instanceof o}},region:{writeOnce:"initOnly",validator:function(e){return g.Lang.isString(e)}},node:{validator:function(e){return g.Lang.isObject(e)||g.Lang.isNull(e)}},hasblocks:{value:!1,validator:function(e){return g.Lang.isBoolean(e)}}}})},"@VERSION@",{requires:["base","node","io","dom","dd","dd-scroll","moodle-core-dragdrop","moodle-core-notification"]});
\ No newline at end of file
+YUI.add("moodle-core-blocks",function(a,e){var o,s,u="/lib/ajax/blocks.php",r="block",d="block-region",l="block_adminblock",n="editing_move",p="header",g="region-content",t="skip-block",h="skip-block-to",_="page-my-index",b="region-main",f="blocks-moving",c={DRAGHANDLE:"."+p+" .commands .moodle-core-dragdrop-draghandle"},i=function(){i.superclass.constructor.apply(this,arguments)};a.extend(i,M.core.dragdrop,{skipnodetop:null,skipnodebottom:null,dragsourceregion:null,initializer:function(){var e,o,t,i;if(this.groups=["block"],this.samenodeclass=r,this.parentnodeclass=g,0<(e=a.Node.all("body#"+_+" #"+b+" > ."+g)).size()&&((e=e.item(0)).addClass(d),e.set("id",g),e.one("div").addClass(g)),0===(e=a.Node.all("div."+d)).size())return!1;e.size()!==this.get("regions").length&&(o=a.Node.create("<div></div>").addClass(d),t=a.Node.create("<div></div>").addClass(g),o.appendChild(t),t=e.filter("#region-pre"),i=e.filter("#region-post"),0===t.size()&&1===i.size()?(o.setAttrs({id:"region-pre"}),i.item(0).insert(o,"before"),e.unshift(o)):0===i.size()&&1===t.size()&&(o.setAttrs({id:"region-post"}),t.item(0).insert(o,"after"),e.push(o))),e.each(function(e){var o;new a.DD.Drop({node:e.one("div."+g),groups:this.groups,padding:"40 240 40 240"}),(o=new a.DD.Delegate({container:e,nodes:"."+r,target:!0,handles:[c.DRAGHANDLE],invalid:".block-hider-hide, .block-hider-show, .moveto",dragConfig:{groups:this.groups}})).dd.plug(a.Plugin.DDProxy,{moveOnEnd:!1}),o.dd.plug(a.Plugin.DDWinScroll),e.all("."+r).each(function(e){var o=e.one("a."+n);o&&(o.replace(this.get_drag_handle(o.getAttribute("title"),"","iconsmall",!0)),e.one(c.DRAGHANDLE).setStyle("cursor","move"))},this)},this)},get_block_id:function(e){return Number(e.get("id").replace(/inst/i,""))},get_block_region:function(e){e=e.ancestor("div."+d).get("id").replace(/region-/i,"");return-1===a.Array.indexOf(this.get("regions"),e)?(window.right_to_left()&&("post"===e?e="pre":"pre"===e&&(e="post")),"side-"+e):e},get_region_id:function(e){return e.get("id").replace(/region-/i,"")},drag_start:function(e){e=e.target;this.dragsourceregion=e.get("node").ancestor("div."+d),e.get("node").previous()&&e.get("node").previous().hasClass(t)&&(this.skipnodetop=e.get("node").previous()),e.get("node").next()&&e.get("node").next().hasClass(h)&&(this.skipnodebottom=e.get("node").next()),a.one("body").addClass(f)},drop_over:function(e){var o,t=e.drag.get("node"),e=e.drop.get("node");if(e.hasClass(this.parentnodeclass)&&e.one("."+l)&&e.one("."+l).next("."+r)&&e.prepend(t),this.dragsourceregion.contains(e))return!1;t=a.one("body"),o=this.get_region_id(this.dragsourceregion),t.hasClass("side-"+o+"-only")&&t.removeClass("side-"+o+"-only"),o=this.get_region_id(e.ancestor("div."+d)),0===this.dragsourceregion.all("."+r).size()&&this.dragsourceregion.get("id").match(/(region-pre|region-post)/i)&&(t.hasClass("side-"+o+"-only")||t.addClass("side-"+o+"-only"))},drag_end:function(){this.skipnodetop=null,this.skipnodebottom=null,this.dragsourceregion=null,a.one("body").removeClass(f)},drag_dropmiss:function(e){this.drop_hit(e)},drop_hit:function(i){var n,e=i.drag,e=e.get("node"),o=i.drop.get("node");e.previous()&&e.previous().hasClass(t)&&e.insert(e.previous(),"after"),this.skipnodetop&&e.insert(this.skipnodetop,"before"),this.skipnodebottom&&e.insert(this.skipnodebottom,"after"),n=M.util.add_lightbox(a,e),o={sesskey:M.cfg.sesskey,courseid:this.get("courseid"),pagelayout:this.get("pagelayout"),pagetype:this.get("pagetype"),subpage:this.get("subpage"),contextid:this.get("contextid"),action:"move",bui_moveid:this.get_block_id(e),bui_newregion:this.get_block_region(o)},this.get("cmid")&&(o.cmid=this.get("cmid")),e.next("."+this.samenodeclass)&&!e.next("."+this.samenodeclass).hasClass(l)&&(o.bui_beforeid=this.get_block_id(e.next("."+this.samenodeclass))),a.io(M.cfg.wwwroot+u,{method:"POST",data:o,on:{start:function(){n.show()},success:function(e,o){window.setTimeout(function(){n.hide()},250);try{var t=a.JSON.parse(o.responseText);t.error&&new M.core.ajaxException(t)}catch(i){}},failure:function(e,o){this.ajax_failure(o),n.hide()}},context:this})}},{NAME:"core-blocks-dragdrop",ATTRS:{courseid:{value:null},cmid:{value:null},contextid:{value:null},pagelayout:{value:null},pagetype:{value:null},subpage:{value:null},regions:{value:null}}}),M.core=M.core||{},M.core.blockdraganddrop=M.core.blockdraganddrop||{},M.core.blockdraganddrop._isusingnewblocksmethod=null,M.core.blockdraganddrop.is_using_blocks_render_method=function(){var e,o;return null===this._isusingnewblocksmethod&&(e=a.all(".block-region[data-blockregion]").size(),o=a.all(".block-region").size(),this._isusingnewblocksmethod=o===e),this._isusingnewblocksmethod},M.core.blockdraganddrop.init=function(e){new(this.is_using_blocks_render_method()?o:i)(e)},M.core_blocks=M.core_blocks||{},M.core_blocks.init_dragdrop=function(e){M.core.blockdraganddrop.init(e)},(o=function(){o.superclass.constructor.apply(this,arguments)}).prototype={skipnodetop:null,skipnodebottom:null,regionobjects:{},initializer:function(){var e,o,t,i=this.get("regions"),n=0;for(n in this.groups=["block"],this.samenodeclass=r,this.parentnodeclass=d,this.detectkeyboarddirection=!0,0<(t=a.Node.all("body#"+_+" #"+b+" > ."+g)).size()&&((t=t.item(0)).addClass(d),t.set("id",g),t.one("div").addClass(g)),i)o=i[n],e=new s({manager:this,region:o,node:a.one("#block-region-"+o)}),this.regionobjects[o]=e,new a.DD.Drop({node:e.get_droptarget(),groups:this.groups,padding:"40 240 40 240"}),(o=new a.DD.Delegate({container:e.get_droptarget(),nodes:"."+r,target:!0,handles:[c.DRAGHANDLE],invalid:".block-hider-hide, .block-hider-show, .moveto, .block_fake",dragConfig:{groups:this.groups}})).dd.plug(a.Plugin.DDProxy,{moveOnEnd:!1}),o.dd.plug(a.Plugin.DDWinScroll),a.DD.DDM.on("ddm:start",this.enable_all_regions,this),e.change_block_move_icons(this)},get_block_id:function(e){return Number(e.get("id").replace(/inst/i,""))},get_block_region:function(e){return(e=e.test("[data-blockregion]")?e:e.ancestor(
+"[data-blockregion]")).getData("blockregion")},get_region_object:function(e){return this.regionobjects[this.get_block_region(e)]},enable_all_regions:function(){var e,o=a.DD.DDM.activeDrag.get("groups");if(o&&-1!==a.Array.indexOf(o,"block"))for(e in this.regionobjects)this.regionobjects.hasOwnProperty(e)&&this.regionobjects[e].enable()},disable_regions_if_required:function(){var e=0;for(e in this.regionobjects)this.regionobjects[e].disable_if_required()},drag_start:function(e){e=e.target;e.get("node").previous()&&e.get("node").previous().hasClass(t)&&(this.skipnodetop=e.get("node").previous()),e.get("node").next()&&e.get("node").next().hasClass(h)&&(this.skipnodebottom=e.get("node").next())},drop_over:function(e){var o=e.drag.get("node"),e=e.drop.get("node");e.hasClass(g)&&e.one("."+l)&&e.one("."+l).next("."+r)&&e.prepend(o)},drop_end:function(){this.skipnodetop=null,this.skipnodebottom=null,this.disable_regions_if_required()},drag_dropmiss:function(e){this.drop_hit(e)},drop_hit:function(i){var n,e=i.drag.get("node"),o=i.drop.get("node");e.previous()&&e.previous().hasClass(t)&&e.insert(e.previous(),"after"),this.skipnodetop&&e.insert(this.skipnodetop,"before"),this.skipnodebottom&&e.insert(this.skipnodebottom,"after"),n=M.util.add_lightbox(a,e),o={sesskey:M.cfg.sesskey,courseid:this.get("courseid"),pagelayout:this.get("pagelayout"),pagetype:this.get("pagetype"),subpage:this.get("subpage"),contextid:this.get("contextid"),action:"move",bui_moveid:this.get_block_id(e),bui_newregion:this.get_block_region(o)},this.get("cmid")&&(o.cmid=this.get("cmid")),e.next("."+r)&&!e.next("."+r).hasClass(l)&&(o.bui_beforeid=this.get_block_id(e.next("."+r))),a.io(M.cfg.wwwroot+u,{method:"POST",data:o,on:{start:function(){n.show()},success:function(e,o){window.setTimeout(function(){n.hide()},250);try{var t=a.JSON.parse(o.responseText);t.error&&new M.core.ajaxException(t)}catch(i){}},failure:function(e,o){this.ajax_failure(o),n.hide()},complete:function(){this.disable_regions_if_required()}},context:this})}},a.extend(o,M.core.dragdrop,o.prototype,{NAME:"core-blocks-dragdrop-manager",ATTRS:{courseid:{value:null},cmid:{value:null},contextid:{value:null},pagelayout:{value:null},pagetype:{value:null},subpage:{value:null},regions:{value:[]}}}),(s=function(){s.superclass.constructor.apply(this,arguments)}).prototype={initializer:function(){var e=this.get("node"),e=e||this.create_and_add_node(),o=a.one("body"),e=0<e.all("."+r).size(),t=this.get_has_region_class();this.set("hasblocks",e),o.hasClass(t)||o.addClass(t),o.addClass(e?this.get_used_region_class():this.get_empty_region_class()),o.removeClass(e?this.get_empty_region_class():this.get_used_region_class())},create_and_add_node:function(){var e,o=a.Node.create,t=this.get("region"),o=o('<div id="block-region-'+t+'" data-droptarget="1"></div>').addClass(d).setData("blockregion",t),i=this.get("manager").get("regions"),n=!1,s=!1,r=!1;for(e in i)i[e].match(/(pre|left)/)?n=i[e]:i[e].match(/(post|right)/)&&(s=i[e]);return!1!==n&&!1!==s&&(t===n?(t=a.one("#block-region-"+s))&&(t.insert(o,"before"),r=!0):(t=a.one("#block-region-"+n))&&(t.insert(o,"after"),r=!0)),!1===r&&a.one("body").append(o),this.set("node",o),o},change_block_move_icons:function(o){var t;this.get("node").all("."+r+" a."+n).each(function(e){e.setStyle("cursor","move"),t=o.get_drag_handle(e.getAttribute("title"),"","icon",!0),e.replace(t)})},get_has_region_class:function(){return"has-region-"+this.get("region")},get_empty_region_class:function(){return"empty-region-"+this.get("region")},get_used_region_class:function(){return"used-region-"+this.get("region")},get_droptarget:function(){var e=this.get("node");return e.test('[data-droptarget="1"]')?e:e.one('[data-droptarget="1"]')},enable:function(){a.one("body").addClass(this.get_used_region_class()).removeClass(this.get_empty_region_class())},disable_if_required:function(){0===this.get("node").all("."+r).size()&&a.one("body").addClass(this.get_empty_region_class()).removeClass(this.get_used_region_class())}},a.extend(s,a.Base,s.prototype,{NAME:"core-blocks-dragdrop-blockregion",ATTRS:{manager:{writeOnce:"initOnly",validator:function(e){return a.Lang.isObject(e)&&e instanceof o}},region:{writeOnce:"initOnly",validator:function(e){return a.Lang.isString(e)}},node:{validator:function(e){return a.Lang.isObject(e)||a.Lang.isNull(e)}},hasblocks:{value:!1,validator:function(e){return a.Lang.isBoolean(e)}}}})},"@VERSION@",{requires:["base","node","io","dom","dd","dd-scroll","moodle-core-dragdrop","moodle-core-notification"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-chooserdialogue/moodle-core-chooserdialogue-min.js b/lib/yui/build/moodle-core-chooserdialogue/moodle-core-chooserdialogue-min.js
index 9af91eff2e2..56956595cd1 100644
--- a/lib/yui/build/moodle-core-chooserdialogue/moodle-core-chooserdialogue-min.js
+++ b/lib/yui/build/moodle-core-chooserdialogue/moodle-core-chooserdialogue-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-chooserdialogue",function(s,e){var t=function(){t.superclass.constructor.apply(this,arguments)};s.extend(t,s.Base,{panel:null,submitbutton:null,container:null,listenevents:[],bodycontent:null,headercontent:null,instanceconfig:null,hiddenRadioValue:null,setup_chooser_dialogue:function(e,t,i){this.bodycontent=e,this.headercontent=t,this.instanceconfig=i},prepare_chooser:function(){if(!this.panel){s.one(s.config.doc.body).addClass("jschooser");var e,t={bodyContent:this.bodycontent.get("innerHTML"),headerContent:this.headercontent.get("innerHTML"),width:"540px",draggable:!0,visible:!1,zindex:100,modal:!0,shim:!0,closeButtonTitle:this.get("closeButtonTitle"),focusOnPreviousTargetAfterHide:!0,render:!1,extraClasses:this._getClassNames()};for(e in this.instanceconfig)t[e]=this.instanceconfig[e];this.panel=new M.core.dialogue(t),this.bodycontent.remove(),this.headercontent.remove(),this.panel.hide(),this.panel.render(),this.container=this.panel.get("boundingBox").one(".choosercontainer"),this.options=this.container.all(".option input[type=radio]"),this.hiddenRadioValue=s.Node.create('<input type="hidden" value="" />'),this.container.one("form").appendChild(this.hiddenRadioValue),this.panel.get("boundingBox").addClass("chooserdialogue")}},display_chooser:function(e){var t,i,n;this.prepare_chooser(),e.preventDefault(),t=this.panel.get("boundingBox"),i=this.container.one(".alloptions"),n=s.one("document").on("orientationchange",function(){this.center_dialogue(i)},this),this.listenevents.push(n),n=s.one("window").on("resize",function(){this.center_dialogue(i)},this),this.listenevents.push(n),n=this.container.on("click",this.check_options,this),this.listenevents.push(n),n=this.container.on("key_up",this.check_options,this),this.listenevents.push(n),n=this.container.on("dblclick",function(e){e.target.ancestor("div.option")&&(this.check_options(),this.submitbutton.setAttribute("disabled","disabled"),this.options.setAttribute("disabled","disabled"),this.cancel_listenevents(),this.container.one("form").submit())},this),this.listenevents.push(n),this.container.one("form").on("submit",function(){this.submitbutton.setAttribute("disabled","disabled"),this.options.setAttribute("disabled","disabled"),this.cancel_listenevents()},this),n=this.container.one(".addcancel").on("click",this.cancel_popup,this),this.listenevents.push(n),n=t.one("button.closebutton").on("click",this.cancel_popup,this),this.listenevents.push(n),n=s.one("document").on("keydown",this.handle_key_press,this),this.listenevents.push(n),this.submitbutton=this.container.one(".submitbutton"),this.submitbutton.set("disabled","true"),this.options.removeAttribute("disabled"),this.panel.show(e),this.center_dialogue(i),this.container.one(".option input[type=radio]").focus(),this.check_options()},cancel_listenevents:function(){for(;this.listenevents.length;)this.listenevents.shift().detach()},center_dialogue:function(e){var t,i,n,s=this.panel.get("boundingBox"),o=s.get("winHeight");if(this.panel.shouldResizeFullscreen())return e.setStyle("maxHeight","100%"),e.setStyle("height","auto"),void this.panel.makeResponsive();o<=(t=this.get("maxheight"))&&(t=o<=this.get("minheight")?this.get("minheight"):o),t>this.get("minheight")?this.panel.lockScroll&&!this.panel.lockScroll.isActive()&&this.panel.lockScroll.enableScrollLock(!0):this.panel.lockScroll&&this.panel.lockScroll.isActive()&&this.panel.lockScroll.disableScrollLock(),i=t,t-=156,e.setStyle("maxHeight",t+"px"),(n=(n=s.getStyle("height")).match(/.*px$/)?n.replace(/px$/,""):i)<this.get("baseheight")?(n=this.get("baseheight"),e.setStyle("height",n+"px")):e.setStyle("height","auto"),this.panel.centerDialogue()},handle_key_press:function(e){27===e.keyCode&&this.cancel_popup(e)},cancel_popup:function(e){e.preventDefault(),this.hide()},hide:function(){this.cancel_listenevents(),this.container.detachAll(),this.panel.hide()},check_options:function(){this.options.each(function(e){var t=e.get("parentNode").get("parentNode");e.get("checked")?(t.addClass("selected"),this.option_selected(e),this.submitbutton.removeAttribute("disabled"),e.focus()):t.removeClass("selected")},this)},option_selected:function(e){this.hiddenRadioValue.setAttrs({value:e.get("value"),name:e.get("name")})},_getClassNames:function(e){var t,i="chooserdialogue-"+this.name,n=[];if(n.push(i.toLowerCase()),e)for(t in e)n.push((i+"-"+t).toLowerCase());return n}},{NAME:"moodle-core-chooserdialogue",ATTRS:{minheight:{value:300},baseheight:{value:400},maxheight:{value:660},closeButtonTitle:{validator:s.Lang.isString,value:"Close"}}}),M.core=M.core||{},M.core.chooserdialogue=t},"@VERSION@",{requires:["base","panel","moodle-core-notification"]});
\ No newline at end of file
+YUI.add("moodle-core-chooserdialogue",function(s,e){var t=function(){t.superclass.constructor.apply(this,arguments)};s.extend(t,s.Base,{panel:null,submitbutton:null,container:null,listenevents:[],bodycontent:null,headercontent:null,instanceconfig:null,hiddenRadioValue:null,setup_chooser_dialogue:function(e,t,i){this.bodycontent=e,this.headercontent=t,this.instanceconfig=i},prepare_chooser:function(){if(!this.panel){s.one(s.config.doc.body).addClass("jschooser");var e,t={bodyContent:this.bodycontent.get("innerHTML"),headerContent:this.headercontent.get("innerHTML"),width:"540px",draggable:!0,visible:!1,zindex:100,modal:!0,shim:!0,closeButtonTitle:this.get("closeButtonTitle"),focusOnPreviousTargetAfterHide:!0,render:!1,extraClasses:this._getClassNames()};for(e in this.instanceconfig)t[e]=this.instanceconfig[e];this.panel=new M.core.dialogue(t),this.bodycontent.remove(),this.headercontent.remove(),this.panel.hide(),this.panel.render(),this.container=this.panel.get("boundingBox").one(".choosercontainer"),this.options=this.container.all(".option input[type=radio]"),this.hiddenRadioValue=s.Node.create('<input type="hidden" value="" />'),this.container.one("form").appendChild(this.hiddenRadioValue),this.panel.get("boundingBox").addClass("chooserdialogue")}},display_chooser:function(e){var t,i,n;this.prepare_chooser(),e.preventDefault(),t=this.panel.get("boundingBox"),i=this.container.one(".alloptions"),n=s.one("document").on("orientationchange",function(){this.center_dialogue(i)},this),this.listenevents.push(n),n=s.one("window").on("resize",function(){this.center_dialogue(i)},this),this.listenevents.push(n),n=this.container.on("click",this.check_options,this),this.listenevents.push(n),n=this.container.on("key_up",this.check_options,this),this.listenevents.push(n),n=this.container.on("dblclick",function(e){e.target.ancestor("div.option")&&(this.check_options(),this.submitbutton.setAttribute("disabled","disabled"),this.options.setAttribute("disabled","disabled"),this.cancel_listenevents(),this.container.one("form").submit())},this),this.listenevents.push(n),this.container.one("form").on("submit",function(){this.submitbutton.setAttribute("disabled","disabled"),this.options.setAttribute("disabled","disabled"),this.cancel_listenevents()},this),n=this.container.one(".addcancel").on("click",this.cancel_popup,this),this.listenevents.push(n),n=t.one("button.closebutton").on("click",this.cancel_popup,this),this.listenevents.push(n),n=s.one("document").on("keydown",this.handle_key_press,this),this.listenevents.push(n),this.submitbutton=this.container.one(".submitbutton"),this.submitbutton.set("disabled","true"),this.options.removeAttribute("disabled"),this.panel.show(e),this.center_dialogue(i),this.container.one(".option input[type=radio]").focus(),this.check_options()},cancel_listenevents:function(){for(;this.listenevents.length;)this.listenevents.shift().detach()},center_dialogue:function(e){var t,i=this.panel.get("boundingBox"),n=i.get("winHeight");if(this.panel.shouldResizeFullscreen())return e.setStyle("maxHeight","100%"),e.setStyle("height","auto"),void this.panel.makeResponsive();(t=n<=(t=this.get("maxheight"))?n<=this.get("minheight")?this.get("minheight"):n:t)>this.get("minheight")?this.panel.lockScroll&&!this.panel.lockScroll.isActive()&&this.panel.lockScroll.enableScrollLock(!0):this.panel.lockScroll&&this.panel.lockScroll.isActive()&&this.panel.lockScroll.disableScrollLock(),n=t,e.setStyle("maxHeight",(t-=156)+"px"),(t=(t=i.getStyle("height")).match(/.*px$/)?t.replace(/px$/,""):n)<this.get("baseheight")?(t=this.get("baseheight"),e.setStyle("height",t+"px")):e.setStyle("height","auto"),this.panel.centerDialogue()},handle_key_press:function(e){27===e.keyCode&&this.cancel_popup(e)},cancel_popup:function(e){e.preventDefault(),this.hide()},hide:function(){this.cancel_listenevents(),this.container.detachAll(),this.panel.hide()},check_options:function(){this.options.each(function(e){var t=e.get("parentNode").get("parentNode");e.get("checked")?(t.addClass("selected"),this.option_selected(e),this.submitbutton.removeAttribute("disabled"),e.focus()):t.removeClass("selected")},this)},option_selected:function(e){this.hiddenRadioValue.setAttrs({value:e.get("value"),name:e.get("name")})},_getClassNames:function(e){var t,i="chooserdialogue-"+this.name,n=[];if(n.push(i.toLowerCase()),e)for(t in e)n.push((i+"-"+t).toLowerCase());return n}},{NAME:"moodle-core-chooserdialogue",ATTRS:{minheight:{value:300},baseheight:{value:400},maxheight:{value:660},closeButtonTitle:{validator:s.Lang.isString,value:"Close"}}}),M.core=M.core||{},M.core.chooserdialogue=t},"@VERSION@",{requires:["base","panel","moodle-core-notification"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-dragdrop/moodle-core-dragdrop-min.js b/lib/yui/build/moodle-core-dragdrop/moodle-core-dragdrop-min.js
index 673d481dfea..4233ca749f6 100644
--- a/lib/yui/build/moodle-core-dragdrop/moodle-core-dragdrop-min.js
+++ b/lib/yui/build/moodle-core-dragdrop/moodle-core-dragdrop-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-core-dragdrop",function(h,t){var i="moodle-core-dragdrop-draghandle",e=function(){e.superclass.constructor.apply(this,arguments)};h.extend(e,h.Base,{goingup:null,absgoingup:null,samenodeclass:null,parentnodeclass:null,samenodelabel:null,parentnodelabel:null,groups:[],lastdroptarget:null,detectkeyboarddirection:!1,listeners:null,initializer:function(){this.listeners=[],this.listeners.push(h.DD.DDM.on("drag:start",this.global_drag_start,this)),this.listeners.push(h.DD.DDM.on("drag:end",this.global_drag_end,this)),this.listeners.push(h.DD.DDM.on("drag:drag",this.global_drag_drag,this)),this.listeners.push(h.DD.DDM.on("drop:over",this.global_drop_over,this)),this.listeners.push(h.DD.DDM.on("drop:hit",this.global_drop_hit,this)),this.listeners.push(h.DD.DDM.on("drag:dropmiss",this.global_drag_dropmiss,this)),this.listeners.push(h.one(h.config.doc.body).delegate("key",this.global_keydown,"down:32, enter, esc","."+i,this)),this.listeners.push(h.one(h.config.doc.body).delegate("click",this.global_keydown,"."+i,this))},destructor:function(){new h.EventHandle(this.listeners).detach()},get_drag_handle:function(t,e,o){var r=h.Node.create("<span></span>").addClass(e).setAttribute("title",t).setAttribute("tabIndex",0).setAttribute("data-draggroups",this.groups).setAttribute("role","button");return r.addClass(i),window.require(["core/templates"],function(t){t.renderPix("i/move_2d","core").then(function(t){var e=h.Node.create(t);e.setStyle("cursor","move"),void 0!==o&&e.addClass(o),r.appendChild(e)})}),r},lock_drag_handle:function(t,e){t.removeHandle("."+e)},unlock_drag_handle:function(t,e){t.addHandle("."+e),t.get("activeHandle").focus()},ajax_failure:function(t){var e={name:t.status+" "+t.statusText,message:t.responseText};return new M.core.exception(e)},in_group:function(e){var o=!1;return h.each(this.groups,function(t){e._groups[t]&&(o=!0)},this),o},global_drag_start:function(t){var e=t.target;this.in_group(e)&&(this.originalstyle=e.get("node").getAttribute("style"),e.get("node").setStyle("opacity",".25"),e.get("dragNode").setStyles({opacity:".75",borderColor:e.get("node").getStyle("borderColor"),backgroundColor:e.get("node").getStyle("backgroundColor")}),e.get("dragNode").empty(),this.drag_start(t))},global_drag_end:function(t){var e=t.target;this.in_group(e)&&(e.get("node").setAttribute("style",this.originalstyle),this.drag_end(t))},global_drag_drag:function(t){var e=t.target,o=t.info;this.in_group(e)&&(o.start[1]<o.xy[1]?this.absgoingup=!0:o.start[1]>o.xy[1]&&(this.absgoingup=!1),o.delta[1]<0?this.goingup=!0:0<o.delta[1]&&(this.goingup=!1),this.drag_drag(t))},global_drop_over:function(t){var e,o,r;t.drop&&t.drop.inGroup(this.groups)&&(e=t.drag.get("node"),o=t.drop.get("node"),this.lastdroptarget=t.drop,o.hasClass(this.samenodeclass)?(r=this.goingup?"before":"after",o.insert(e,r)):!o.hasClass(this.parentnodeclass)&&!o.test('[data-droptarget="1"]')||o.contains(e)||(this.goingup?o.append(e):o.prepend(e)),this.drop_over(t))},global_drag_dropmiss:function(t){t.drag=t.target,t.drop=this.lastdroptarget,this.in_group(t.drag)&&t.drop&&t.drop.inGroup(this.groups)&&this.drag_dropmiss(t)},global_drop_hit:function(t){t.drop&&t.drop.inGroup(this.groups)&&this.drop_hit(t)},find_element_text:function(t){var e,o,r="";return 0<(r=t.get("aria-label")||"").length?r:(e=t.get("aria-labelledby"))&&(o=h.one("#"+e))&&0<o.get("text").length?o.get("text"):(t.all("h2, h3, h4, h5, span:not(.actions):not(.menu-action-text), p, div.no-overflow, div.dimmed_text").each(function(){""===r&&""!==h.Lang.trim(this.get("text"))&&(r=this.get("text"))}),""!==r?r:M.util.get_string("emptydragdropregion","moodle"))},global_start_keyboard_drag:function(t,e,i){var s,o,l,g,p,u;M.core.dragdrop.keydragcontainer=i,M.core.dragdrop.keydraghandle=e,s=this.find_element_text(i),o=M.util.get_string("movecontent","moodle",s),(l=h.Node.create("<ul></ul>")).addClass("dragdrop-keyboard-drag"),h.all("."+this.samenodeclass+", ."+this.parentnodeclass).each(function(t){var e,o,r,a=!1,n=t,d=t.getAttribute("class").split(" ").join(", .");if(t.drop&&t.drop.inGroup(this.groups)&&t.drop.get("node")!==i&&(t.next(d)!==i||this.detectkeyboarddirection))a=!0;else for(e=t.getAttribute("data-draggroups").split(" "),o=0;o<e.length;o++){for(r=0;r<this.groups.length;r++)if(e[o]===this.groups[r]&&!t.ancestor(".yui3-dd-proxy")&&t!=i&&t.next(d)!==i&&t.get("children").item(0)!=i){a=!0,n=t.get("parentNode");break}if(a)break}a&&(g=h.Node.create("<li></li>"),p=h.Node.create("<a></a>"),s=this.find_element_text(n),u=this.samenodelabel&&t.hasClass(this.samenodeclass)?M.util.get_string(this.samenodelabel.identifier,this.samenodelabel.component,s):this.parentnodelabel&&t.hasClass(this.parentnodeclass)?M.util.get_string(this.parentnodelabel.identifier,this.parentnodelabel.component,s):M.util.get_string("tocontent","moodle",s),p.setContent(u),p.setAttribute("data-drop-target",t.get("id")),p.setAttribute("tabindex","0"),p.on("click",this.global_keyboard_drop,this),p.on("key",this.global_keyboard_drop,"down:enter,32",this),g.append(p),l.append(g))},this),M.core.dragdrop.dropui=new M.core.dialogue({headerContent:o,bodyContent:l,draggable:!0,visible:!0,center:!0,modal:!0}),M.core.dragdrop.dropui.after("visibleChange",function(t){t.prevVal&&!t.newVal&&this.global_cancel_keyboard_drag()},this),l.one("a")&&l.one("a").focus()},simulated_drag_drop_event:function(t,e){var o=function(t){this.node=t};o.prototype.get=function(t){return"node"===t||"dragNode"===t||"dropNode"===t?this.node:"activeHandle"===t?this.node.one(".editing_move"):null},o.prototype.inGroup=function(){return!0},o.prototype.addHandle=function(){},o.prototype.removeHandle=function(){},this.drop=new o(e),this.drag=new o(t),this.target=this.drop},global_keyboard_drop:function(t){var e,o,r=M.core.dragdrop.keydragcontainer,a=h.one("#"+t.target.getAttribute("data-drop-target"));M.core.dragdrop.dropui.hide(),t.preventDefault(),this.detectkeyboarddirection&&r.getY()>a.getY()?(this.absgoingup=!0,this.goingup=!0):(
-this.absgoingup=!1,this.goingup=!1),e=new this.simulated_drag_drop_event(r,r),o=new this.simulated_drag_drop_event(r,a),this.drag_start(e),this.global_drop_over(o),a.hasClass(this.parentnodeclass)&&a.contains(r)&&a.prepend(r),this.global_drop_hit(o)},global_cancel_keyboard_drag:function(){M.core.dragdrop.keydragcontainer&&(M.core.dragdrop.keydraghandle.focus(),M.core.dragdrop.keydragcontainer=null),M.core.dragdrop.dropui&&M.core.dragdrop.dropui.destroy()},global_keydown:function(t){var e,o,r,a,n,d=t.target.ancestor("."+i,!0);if(null!==d){if(27===t.keyCode)return this.global_cancel_keyboard_drag(),void t.preventDefault();if(d.hasClass(i)&&(13===t.keyCode||32===t.keyCode||"click"===t.type)){for(o=d.getAttribute("data-draggroups").split(" "),n=!1,r=0;r<o.length;r++){for(a=0;a<this.groups.length;a++)if(o[r]===this.groups[a]){n=!0;break}if(n)break}n&&(e=d.ancestor(".yui3-dd-drop"),this.global_start_keyboard_drag(t,d,e),t.preventDefault())}}},drag_start:function(){},drag_end:function(){},drag_drag:function(){},drag_dropmiss:function(){},drop_over:function(){},drop_hit:function(){}},{NAME:"dragdrop",ATTRS:{}}),M.core=M.core||{},M.core.dragdrop=e},"@VERSION@",{requires:["base","node","io","dom","dd","event-key","event-focus","moodle-core-notification"]});
\ No newline at end of file
+YUI.add("moodle-core-dragdrop",function(h,t){var i="moodle-core-dragdrop-draghandle",e=function(){e.superclass.constructor.apply(this,arguments)};h.extend(e,h.Base,{goingup:null,absgoingup:null,samenodeclass:null,parentnodeclass:null,samenodelabel:null,parentnodelabel:null,groups:[],lastdroptarget:null,detectkeyboarddirection:!1,listeners:null,initializer:function(){this.listeners=[],this.listeners.push(h.DD.DDM.on("drag:start",this.global_drag_start,this)),this.listeners.push(h.DD.DDM.on("drag:end",this.global_drag_end,this)),this.listeners.push(h.DD.DDM.on("drag:drag",this.global_drag_drag,this)),this.listeners.push(h.DD.DDM.on("drop:over",this.global_drop_over,this)),this.listeners.push(h.DD.DDM.on("drop:hit",this.global_drop_hit,this)),this.listeners.push(h.DD.DDM.on("drag:dropmiss",this.global_drag_dropmiss,this)),this.listeners.push(h.one(h.config.doc.body).delegate("key",this.global_keydown,"down:32, enter, esc","."+i,this)),this.listeners.push(h.one(h.config.doc.body).delegate("click",this.global_keydown,"."+i,this))},destructor:function(){new h.EventHandle(this.listeners).detach()},get_drag_handle:function(t,e,o){var r=h.Node.create("<span></span>").addClass(e).setAttribute("title",t).setAttribute("tabIndex",0).setAttribute("data-draggroups",this.groups).setAttribute("role","button");return r.addClass(i),window.require(["core/templates"],function(t){t.renderPix("i/move_2d","core").then(function(t){t=h.Node.create(t);t.setStyle("cursor","move"),void 0!==o&&t.addClass(o),r.appendChild(t)})}),r},lock_drag_handle:function(t,e){t.removeHandle("."+e)},unlock_drag_handle:function(t,e){t.addHandle("."+e),t.get("activeHandle").focus()},ajax_failure:function(t){t={name:t.status+" "+t.statusText,message:t.responseText};return new M.core.exception(t)},in_group:function(e){var o=!1;return h.each(this.groups,function(t){e._groups[t]&&(o=!0)},this),o},global_drag_start:function(t){var e=t.target;this.in_group(e)&&(this.originalstyle=e.get("node").getAttribute("style"),e.get("node").setStyle("opacity",".25"),e.get("dragNode").setStyles({opacity:".75",borderColor:e.get("node").getStyle("borderColor"),backgroundColor:e.get("node").getStyle("backgroundColor")}),e.get("dragNode").empty(),this.drag_start(t))},global_drag_end:function(t){var e=t.target;this.in_group(e)&&(e.get("node").setAttribute("style",this.originalstyle),this.drag_end(t))},global_drag_drag:function(t){var e=t.target,o=t.info;this.in_group(e)&&(o.start[1]<o.xy[1]?this.absgoingup=!0:o.start[1]>o.xy[1]&&(this.absgoingup=!1),o.delta[1]<0?this.goingup=!0:0<o.delta[1]&&(this.goingup=!1),this.drag_drag(t))},global_drop_over:function(t){var e,o,r;t.drop&&t.drop.inGroup(this.groups)&&(e=t.drag.get("node"),o=t.drop.get("node"),this.lastdroptarget=t.drop,o.hasClass(this.samenodeclass)?(r=this.goingup?"before":"after",o.insert(e,r)):!o.hasClass(this.parentnodeclass)&&!o.test('[data-droptarget="1"]')||o.contains(e)||(this.goingup?o.append(e):o.prepend(e)),this.drop_over(t))},global_drag_dropmiss:function(t){t.drag=t.target,t.drop=this.lastdroptarget,this.in_group(t.drag)&&t.drop&&t.drop.inGroup(this.groups)&&this.drag_dropmiss(t)},global_drop_hit:function(t){t.drop&&t.drop.inGroup(this.groups)&&this.drop_hit(t)},find_element_text:function(t){var e,o,r="",r=t.get("aria-label")||"";return 0<r.length?r:(e=t.get("aria-labelledby"))&&(o=h.one("#"+e))&&0<o.get("text").length?o.get("text"):(t.all("h2, h3, h4, h5, span:not(.actions):not(.menu-action-text), p, div.no-overflow, div.dimmed_text").each(function(){""===r&&""!==h.Lang.trim(this.get("text"))&&(r=this.get("text"))}),""!==r?r:M.util.get_string("emptydragdropregion","moodle"))},global_start_keyboard_drag:function(t,e,i){var s,l,g,p,u;M.core.dragdrop.keydragcontainer=i,M.core.dragdrop.keydraghandle=e,s=this.find_element_text(i),e=M.util.get_string("movecontent","moodle",s),(l=h.Node.create("<ul></ul>")).addClass("dragdrop-keyboard-drag"),h.all("."+this.samenodeclass+", ."+this.parentnodeclass).each(function(t){var e,o,r,a=!1,n=t,d=t.getAttribute("class").split(" ").join(", .");if(t.drop&&t.drop.inGroup(this.groups)&&t.drop.get("node")!==i&&(t.next(d)!==i||this.detectkeyboarddirection))a=!0;else for(e=t.getAttribute("data-draggroups").split(" "),o=0;o<e.length;o++){for(r=0;r<this.groups.length;r++)if(e[o]===this.groups[r]&&!t.ancestor(".yui3-dd-proxy")&&t!=i&&t.next(d)!==i&&t.get("children").item(0)!=i){a=!0,n=t.get("parentNode");break}if(a)break}a&&(g=h.Node.create("<li></li>"),p=h.Node.create("<a></a>"),s=this.find_element_text(n),u=this.samenodelabel&&t.hasClass(this.samenodeclass)?M.util.get_string(this.samenodelabel.identifier,this.samenodelabel.component,s):this.parentnodelabel&&t.hasClass(this.parentnodeclass)?M.util.get_string(this.parentnodelabel.identifier,this.parentnodelabel.component,s):M.util.get_string("tocontent","moodle",s),p.setContent(u),p.setAttribute("data-drop-target",t.get("id")),p.setAttribute("tabindex","0"),p.on("click",this.global_keyboard_drop,this),p.on("key",this.global_keyboard_drop,"down:enter,32",this),g.append(p),l.append(g))},this),M.core.dragdrop.dropui=new M.core.dialogue({headerContent:e,bodyContent:l,draggable:!0,visible:!0,center:!0,modal:!0}),M.core.dragdrop.dropui.after("visibleChange",function(t){t.prevVal&&!t.newVal&&this.global_cancel_keyboard_drag()},this),l.one("a")&&l.one("a").focus()},simulated_drag_drop_event:function(t,e){var o=function(t){this.node=t};o.prototype.get=function(t){return"node"===t||"dragNode"===t||"dropNode"===t?this.node:"activeHandle"===t?this.node.one(".editing_move"):null},o.prototype.inGroup=function(){return!0},o.prototype.addHandle=function(){},o.prototype.removeHandle=function(){},this.drop=new o(e),this.drag=new o(t),this.target=this.drop},global_keyboard_drop:function(t){var e,o=M.core.dragdrop.keydragcontainer,r=h.one("#"+t.target.getAttribute("data-drop-target"));M.core.dragdrop.dropui.hide(),t.preventDefault(),this.detectkeyboarddirection&&o.getY()>r.getY()?(this.absgoingup=!0,this.goingup=!0):(this.absgoingup=!1,
+this.goingup=!1),t=new this.simulated_drag_drop_event(o,o),e=new this.simulated_drag_drop_event(o,r),this.drag_start(t),this.global_drop_over(e),r.hasClass(this.parentnodeclass)&&r.contains(o)&&r.prepend(o),this.global_drop_hit(e)},global_cancel_keyboard_drag:function(){M.core.dragdrop.keydragcontainer&&(M.core.dragdrop.keydraghandle.focus(),M.core.dragdrop.keydragcontainer=null),M.core.dragdrop.dropui&&M.core.dragdrop.dropui.destroy()},global_keydown:function(t){var e,o,r,a,n,d=t.target.ancestor("."+i,!0);if(null!==d){if(27===t.keyCode)return this.global_cancel_keyboard_drag(),void t.preventDefault();if(d.hasClass(i)&&(13===t.keyCode||32===t.keyCode||"click"===t.type)){for(o=d.getAttribute("data-draggroups").split(" "),n=!1,r=0;r<o.length;r++){for(a=0;a<this.groups.length;a++)if(o[r]===this.groups[a]){n=!0;break}if(n)break}n&&(e=d.ancestor(".yui3-dd-drop"),this.global_start_keyboard_drag(t,d,e),t.preventDefault())}}},drag_start:function(){},drag_end:function(){},drag_drag:function(){},drag_dropmiss:function(){},drop_over:function(){},drop_hit:function(){}},{NAME:"dragdrop",ATTRS:{}}),M.core=M.core||{},M.core.dragdrop=e},"@VERSION@",{requires:["base","node","io","dom","dd","event-key","event-focus","moodle-core-notification"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-formchangechecker/moodle-core-formchangechecker-min.js b/lib/yui/build/moodle-core-formchangechecker/moodle-core-formchangechecker-min.js
index f9d121ab719..29a91b3301d 100644
--- a/lib/yui/build/moodle-core-formchangechecker/moodle-core-formchangechecker-min.js
+++ b/lib/yui/build/moodle-core-formchangechecker/moodle-core-formchangechecker-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-formchangechecker",function(r,e){var c=function(){c.superclass.constructor.apply(this,arguments)};r.extend(c,r.Base,{initialvaluelisteners:[],initializer:function(){var e="form#"+this.get("formid"),t=r.one(e);t&&(M.core_formchangechecker.stateinformation.formchanged||(M.core_formchangechecker.stateinformation.formchanged=this.get("initialdirtystate")),r.on(M.core.event.EDITOR_CONTENT_RESTORED,M.core_formchangechecker.reset_form_dirty_state,this),t.delegate("change",M.core_formchangechecker.set_form_changed,"input",this),t.delegate("change",M.core_formchangechecker.set_form_changed,"textarea",this),t.delegate("change",M.core_formchangechecker.set_form_changed,"select",this),this.initialvaluelisteners.push(t.delegate("focus",this.store_initial_value,"input",this)),this.initialvaluelisteners.push(t.delegate("focus",this.store_initial_value,"textarea",this)),this.initialvaluelisteners.push(t.delegate("focus",this.store_initial_value,"select",this)),t.delegate("click",function(){t.setData("ignoreSubmission",!0)},"[data-formchangechecker-ignore-submit]"),r.one(e).on("submit",function(){t.getData("ignoreSubmission")?t.clearData("ignoreSubmission"):M.core_formchangechecker.set_form_submitted()},this),window.onbeforeunload=M.core_formchangechecker.report_form_dirty_state)},store_initial_value:function(e){if(!e.target.ancestor(".ignoredirty",!0)&&!e.target.ancestor("[data-formchangechecker-ignore-dirty]",!0))if(M.core_formchangechecker.get_form_dirty_state())for(;this.initialvaluelisteners.length;)this.initialvaluelisteners.shift().detach();else M.core_formchangechecker.stateinformation.focused_element={element:e.target,initial_value:e.target.get("value")}}},{NAME:"core-formchangechecker",ATTRS:{formid:{value:""},initialdirtystate:{value:!1}}}),M.core_formchangechecker=M.core_formchangechecker||{},M.core_formchangechecker.instances=M.core_formchangechecker.instances||[],M.core_formchangechecker.init=function(e){var t=new c(e);return M.core_formchangechecker.instances.push(t),t},M.core_formchangechecker.stateinformation=[],M.core_formchangechecker.set_form_changed=function(e){e&&e.target&&(e.target.ancestor(".ignoredirty",!0)||e.target.ancestor("[data-formchangechecker-ignore-dirty]",!0))||(M.core_formchangechecker.stateinformation.formchanged=1,delete M.core_formchangechecker.stateinformation.focused_element)},M.core_formchangechecker.set_form_submitted=function(){M.core_formchangechecker.stateinformation.formsubmitted=1},M.core_formchangechecker.get_form_dirty_state=function(){var e,t=M.core_formchangechecker.stateinformation;if(t.formsubmitted)return 0;if(t.formchanged)return 1;if(t.focused_element&&t.focused_element.element.get("value")!==t.focused_element.initial_value)return 1;if("undefined"!=typeof window.tinyMCE)for(e in window.tinyMCE.editors)if(window.tinyMCE.editors[e].isDirty())return 1;return 0},M.core_formchangechecker.reset_form_dirty_state=function(){M.core_formchangechecker.stateinformation.formsubmitted=!1,M.core_formchangechecker.stateinformation.formchanged=!1},M.core_formchangechecker.report_form_dirty_state=function(e){if(M.core_formchangechecker.get_form_dirty_state()){var t=M.util.get_string("changesmadereallygoaway","moodle");if(!M.cfg.behatsiterunning)return e&&(e.returnValue=t),t}}},"@VERSION@",{requires:["base","event-focus","moodle-core-event"]});
\ No newline at end of file
+YUI.add("moodle-core-formchangechecker",function(r,e){var t=function(){t.superclass.constructor.apply(this,arguments)};r.extend(t,r.Base,{initialvaluelisteners:[],initializer:function(){var e="form#"+this.get("formid"),t=r.one(e);t&&(M.core_formchangechecker.stateinformation.formchanged||(M.core_formchangechecker.stateinformation.formchanged=this.get("initialdirtystate")),r.on(M.core.event.EDITOR_CONTENT_RESTORED,M.core_formchangechecker.reset_form_dirty_state,this),t.delegate("change",M.core_formchangechecker.set_form_changed,"input",this),t.delegate("change",M.core_formchangechecker.set_form_changed,"textarea",this),t.delegate("change",M.core_formchangechecker.set_form_changed,"select",this),this.initialvaluelisteners.push(t.delegate("focus",this.store_initial_value,"input",this)),this.initialvaluelisteners.push(t.delegate("focus",this.store_initial_value,"textarea",this)),this.initialvaluelisteners.push(t.delegate("focus",this.store_initial_value,"select",this)),t.delegate("click",function(){t.setData("ignoreSubmission",!0)},"[data-formchangechecker-ignore-submit]"),r.one(e).on("submit",function(){t.getData("ignoreSubmission")?t.clearData("ignoreSubmission"):M.core_formchangechecker.set_form_submitted()},this),window.onbeforeunload=M.core_formchangechecker.report_form_dirty_state)},store_initial_value:function(e){if(!e.target.ancestor(".ignoredirty",!0)&&!e.target.ancestor("[data-formchangechecker-ignore-dirty]",!0))if(M.core_formchangechecker.get_form_dirty_state())for(;this.initialvaluelisteners.length;)this.initialvaluelisteners.shift().detach();else M.core_formchangechecker.stateinformation.focused_element={element:e.target,initial_value:e.target.get("value")}}},{NAME:"core-formchangechecker",ATTRS:{formid:{value:""},initialdirtystate:{value:!1}}}),M.core_formchangechecker=M.core_formchangechecker||{},M.core_formchangechecker.instances=M.core_formchangechecker.instances||[],M.core_formchangechecker.init=function(e){e=new t(e);return M.core_formchangechecker.instances.push(e),e},M.core_formchangechecker.stateinformation=[],M.core_formchangechecker.set_form_changed=function(e){e&&e.target&&(e.target.ancestor(".ignoredirty",!0)||e.target.ancestor("[data-formchangechecker-ignore-dirty]",!0))||(M.core_formchangechecker.stateinformation.formchanged=1,delete M.core_formchangechecker.stateinformation.focused_element)},M.core_formchangechecker.set_form_submitted=function(){M.core_formchangechecker.stateinformation.formsubmitted=1},M.core_formchangechecker.get_form_dirty_state=function(){var e,t=M.core_formchangechecker.stateinformation;if(t.formsubmitted)return 0;if(t.formchanged)return 1;if(t.focused_element&&t.focused_element.element.get("value")!==t.focused_element.initial_value)return 1;if("undefined"!=typeof window.tinyMCE)for(e in window.tinyMCE.editors)if(window.tinyMCE.editors[e].isDirty())return 1;return 0},M.core_formchangechecker.reset_form_dirty_state=function(){M.core_formchangechecker.stateinformation.formsubmitted=!1,M.core_formchangechecker.stateinformation.formchanged=!1},M.core_formchangechecker.report_form_dirty_state=function(e){if(M.core_formchangechecker.get_form_dirty_state()){var t=M.util.get_string("changesmadereallygoaway","moodle");if(!M.cfg.behatsiterunning)return e&&(e.returnValue=t),t}}},"@VERSION@",{requires:["base","event-focus","moodle-core-event"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-languninstallconfirm/moodle-core-languninstallconfirm-min.js b/lib/yui/build/moodle-core-languninstallconfirm/moodle-core-languninstallconfirm-min.js
index 4e59378b162..3e50f18b922 100644
--- a/lib/yui/build/moodle-core-languninstallconfirm/moodle-core-languninstallconfirm-min.js
+++ b/lib/yui/build/moodle-core-languninstallconfirm/moodle-core-languninstallconfirm-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-languninstallconfirm",function(l,n){function t(){t.superclass.constructor.apply(this,arguments)}var e="#languninstallbutton",o="#menuuninstalllang option",s="#menuuninstalllang option[value='en']";t.NAME=n,t.ATTRS={uninstallUrl:{validator:l.Lang.isString}},l.extend(t,l.Base,{initializer:function(){l.one(e).on("click",this._confirm,this)},_confirm:function(n){var t,e,i;if(n.preventDefault(),t=[],e=[],l.all(o).each(function(n){n.get("selected")&&(t.push(n.getAttribute("value")),e.push(n.get("text")))}),0!==t.length){if(-1<t.indexOf("en"))return l.one(s).set("selected",!1),void new M.core.alert({message:M.util.get_string("noenglishuninstall","tool_langimport")}).show();i={modal:!0,visible:!1,centered:!0,title:M.util.get_string("uninstall","tool_langimport"),question:M.util.get_string("uninstallconfirm","tool_langimport",e.join(", "))},new M.core.confirm(i).show().on("complete-yes",this._uninstall,this,t)}else new M.core.alert({message:M.util.get_string("selectlangs","tool_langimport")}).show()},_uninstall:function(n,t){l.config.win.location.href=this.get("uninstallUrl")+"?mode=4&sesskey="+M.cfg.sesskey+"&confirmtouninstall="+t.join("/")}}),l.namespace("M.core.languninstallconfirm").Confirmation=t,l.namespace("M.core.languninstallconfirm").init=function(n){return new t(n)}},"@VERSION@",{requires:["base","node","moodle-core-notification-confirm","moodle-core-notification-alert"]});
\ No newline at end of file
+YUI.add("moodle-core-languninstallconfirm",function(i,n){function t(){t.superclass.constructor.apply(this,arguments)}var e="#languninstallbutton",l="#menuuninstalllang option",o="#menuuninstalllang option[value='en']";t.NAME=n,t.ATTRS={uninstallUrl:{validator:i.Lang.isString}},i.extend(t,i.Base,{initializer:function(){i.one(e).on("click",this._confirm,this)},_confirm:function(n){var t,e;if(n.preventDefault(),t=[],e=[],i.all(l).each(function(n){n.get("selected")&&(t.push(n.getAttribute("value")),e.push(n.get("text")))}),0!==t.length){if(-1<t.indexOf("en"))return i.one(o).set("selected",!1),void new M.core.alert({message:M.util.get_string("noenglishuninstall","tool_langimport")}).show();n={modal:!0,visible:!1,centered:!0,title:M.util.get_string("uninstall","tool_langimport"),question:M.util.get_string("uninstallconfirm","tool_langimport",e.join(", "))},new M.core.confirm(n).show().on("complete-yes",this._uninstall,this,t)}else new M.core.alert({message:M.util.get_string("selectlangs","tool_langimport")}).show()},_uninstall:function(n,t){i.config.win.location.href=this.get("uninstallUrl")+"?mode=4&sesskey="+M.cfg.sesskey+"&confirmtouninstall="+t.join("/")}}),i.namespace("M.core.languninstallconfirm").Confirmation=t,i.namespace("M.core.languninstallconfirm").init=function(n){return new t(n)}},"@VERSION@",{requires:["base","node","moodle-core-notification-confirm","moodle-core-notification-alert"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-lockscroll/moodle-core-lockscroll-min.js b/lib/yui/build/moodle-core-lockscroll/moodle-core-lockscroll-min.js
index 1f7bae4b703..e7dc7d1fb7a 100644
--- a/lib/yui/build/moodle-core-lockscroll/moodle-core-lockscroll-min.js
+++ b/lib/yui/build/moodle-core-lockscroll/moodle-core-lockscroll-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-lockscroll",function(i,t){i.namespace("M.core").LockScroll=i.Base.create("lockScroll",i.Plugin.Base,[],{_enabled:!1,destructor:function(){this.disableScrollLock()},enableScrollLock:function(t){var e,o,l,c;if(!this.isActive()&&this.shouldLockScroll(t))return this._enabled=!0,o=(e=i.one(i.config.doc.body)).getComputedStyle("width"),e.addClass("lockscroll"),c=(l=parseInt(e.getAttribute("data-activeScrollLocks"),10)||0)+1,e.setAttribute("data-activeScrollLocks",c),0===l&&e.setStyle("maxWidth",o),this},shouldLockScroll:function(t){var e=this.get("host").get("boundingBox").get("region").height,o=i.config.win.innerHeight||i.config.doc.documentElement.clientHeight||0;return!(!t&&o-10<e)},updateScrollLock:function(t){return this.shouldLockScroll(t)?this.enableScrollLock(t):this.disableScrollLock(!0),this},disableScrollLock:function(t){var e,o;return this.isActive()&&(this._enabled=!1,e=i.one(i.config.doc.body),o=parseInt(e.getAttribute("data-activeScrollLocks"),10)||1,!t&&1!==o||(e.removeClass("lockscroll"),e.setStyle("maxWidth",null)),e.setAttribute("data-activeScrollLocks",o-1)),this},isActive:function(){return this._enabled}},{NS:"lockScroll",ATTRS:{}})},"@VERSION@",{requires:["plugin","base-build"]});
\ No newline at end of file
+YUI.add("moodle-core-lockscroll",function(l,t){l.namespace("M.core").LockScroll=l.Base.create("lockScroll",l.Plugin.Base,[],{_enabled:!1,destructor:function(){this.disableScrollLock()},enableScrollLock:function(t){var e,o;if(!this.isActive()&&this.shouldLockScroll(t))return this._enabled=!0,e=(t=l.one(l.config.doc.body)).getComputedStyle("width"),t.addClass("lockscroll"),o=parseInt(t.getAttribute("data-activeScrollLocks"),10)||0,t.setAttribute("data-activeScrollLocks",o+1),0===o&&t.setStyle("maxWidth",e),this},shouldLockScroll:function(t){var e=this.get("host").get("boundingBox").get("region").height,o=l.config.win.innerHeight||l.config.doc.documentElement.clientHeight||0;return!(!t&&o-10<e)},updateScrollLock:function(t){return this.shouldLockScroll(t)?this.enableScrollLock(t):this.disableScrollLock(!0),this},disableScrollLock:function(t){var e,o;return this.isActive()&&(this._enabled=!1,e=l.one(l.config.doc.body),o=parseInt(e.getAttribute("data-activeScrollLocks"),10)||1,!t&&1!==o||(e.removeClass("lockscroll"),e.setStyle("maxWidth",null)),e.setAttribute("data-activeScrollLocks",o-1)),this},isActive:function(){return this._enabled}},{NS:"lockScroll",ATTRS:{}})},"@VERSION@",{requires:["plugin","base-build"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-maintenancemodetimer/moodle-core-maintenancemodetimer-min.js b/lib/yui/build/moodle-core-maintenancemodetimer/moodle-core-maintenancemodetimer-min.js
index 038262d57dd..edc42148e27 100644
--- a/lib/yui/build/moodle-core-maintenancemodetimer/moodle-core-maintenancemodetimer-min.js
+++ b/lib/yui/build/moodle-core-maintenancemodetimer/moodle-core-maintenancemodetimer-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-maintenancemodetimer",function(t,e){var n=function(){n.superclass.constructor.apply(this,arguments)};t.extend(n,t.Base,{timeleftinsec:0,maintenancenode:t.one(".box.maintenancewarning"),initializer:function(e){this.maintenancenode&&(this.timeleftinsec=e.timeleftinsec,this.maintenancenode.setAttribute("aria-live","polite"),t.later(1e3,this,"updatetimer",null,!0))},updatetimer:function(){if(--this.timeleftinsec,this.timeleftinsec<=0)this.maintenancenode.set("text",M.util.get_string("sitemaintenance","admin"));else{var e={};e.sec=this.timeleftinsec%60,e.min=Math.floor(this.timeleftinsec/60)%60,e.hour=Math.floor(this.timeleftinsec/3600),0<e.hour?this.maintenancenode.set("text",M.util.get_string("maintenancemodeisscheduledlong","admin",e)):this.maintenancenode.set("text",M.util.get_string("maintenancemodeisscheduled","admin",e))}this.timeleftinsec<30?this.maintenancenode.addClass("alert-error").addClass("alert-danger").removeClass("alert-warning"):this.maintenancenode.addClass("alert-warning").removeClass("alert-error").removeClass("alert-danger")}}),M.core=M.core||{},M.core.maintenancemodetimer=M.core.maintenancemodetimer||function(e){return new n(e)}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
+YUI.add("moodle-core-maintenancemodetimer",function(t,e){var n=function(){n.superclass.constructor.apply(this,arguments)};t.extend(n,t.Base,{timeleftinsec:0,maintenancenode:t.one(".box.maintenancewarning"),initializer:function(e){this.maintenancenode&&(this.timeleftinsec=e.timeleftinsec,this.maintenancenode.setAttribute("aria-live","polite"),t.later(1e3,this,"updatetimer",null,!0))},updatetimer:function(){var e;--this.timeleftinsec,this.timeleftinsec<=0?this.maintenancenode.set("text",M.util.get_string("sitemaintenance","admin")):((e={}).sec=this.timeleftinsec%60,e.min=Math.floor(this.timeleftinsec/60)%60,e.hour=Math.floor(this.timeleftinsec/3600),0<e.hour?this.maintenancenode.set("text",M.util.get_string("maintenancemodeisscheduledlong","admin",e)):this.maintenancenode.set("text",M.util.get_string("maintenancemodeisscheduled","admin",e))),this.timeleftinsec<30?this.maintenancenode.addClass("alert-error").addClass("alert-danger").removeClass("alert-warning"):this.maintenancenode.addClass("alert-warning").removeClass("alert-error").removeClass("alert-danger")}}),M.core=M.core||{},M.core.maintenancemodetimer=M.core.maintenancemodetimer||function(e){return new n(e)}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-notification-ajaxexception/moodle-core-notification-ajaxexception-min.js b/lib/yui/build/moodle-core-notification-ajaxexception/moodle-core-notification-ajaxexception-min.js
index 83492879585..d78d3190c13 100644
--- a/lib/yui/build/moodle-core-notification-ajaxexception/moodle-core-notification-ajaxexception-min.js
+++ b/lib/yui/build/moodle-core-notification-ajaxexception/moodle-core-notification-ajaxexception-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-notification-ajaxexception",function(d,e){var t,i;M.core=M.core||{},t="Moodle AJAX exception",i=function(e){e.name=e.name||M.util.get_string("error","moodle"),e.closeButton=!0,i.superclass.constructor.apply(this,[e])},d.extend(i,M.core.notification.info,{_keypress:null,initializer:function(e){var t,i=this,o=this.get("hideTimeoutDelay"),a=M.util.get_string("labelsep","langconfig");this.get("notificationBase").addClass("moodle-dialogue-exception"),this.setStdModContent(d.WidgetStdMod.HEADER,'<h1 id="moodle-dialogue-'+this.get("COUNT")+'-header-text">'+d.Escape.html(e.name)+"</h1>",d.WidgetStdMod.REPLACE),t=d.Node.create('<div class="moodle-ajaxexception" data-rel="fatalerror"></div>').append(d.Node.create('<div class="moodle-exception-message">'+d.Escape.html(this.get("error"))+"</div>")).append(d.Node.create('<div class="moodle-exception-param hidden param-debuginfo"><label>'+M.util.get_string("url","moodle")+a+"</label> "+this.get("reproductionlink")+"</div>")).append(d.Node.create('<div class="moodle-exception-param hidden param-debuginfo"><label>'+M.util.get_string("debuginfo","debug")+a+"</label> "+d.Escape.html(this.get("debuginfo"))+"</div>")).append(d.Node.create('<div class="moodle-exception-param hidden param-stacktrace"><label>'+M.util.get_string("stacktrace","debug")+a+"</label> <pre>"+d.Escape.html(this.get("stacktrace"))+"</pre></div>")),M.cfg.developerdebug&&t.all(".moodle-exception-param").removeClass("hidden"),this.setStdModContent(d.WidgetStdMod.BODY,t,d.WidgetStdMod.REPLACE),o&&(this._hideTimeout=setTimeout(function(){i.hide()},o)),this.after("visibleChange",this.visibilityChanged,this),this._keypress=d.on("key",this.hide,window,"down:13, 27",this),this.centerDialogue()},visibilityChanged:function(e){if("visible"===e.attrName&&e.prevVal&&!e.newVal){var t=this;this._keypress.detach(),setTimeout(function(){t.destroy()},1e3)}}},{NAME:t,CSS_PREFIX:"moodle-dialogue",ATTRS:{error:{validator:d.Lang.isString,value:M.util.get_string("unknownerror","moodle")},debuginfo:{value:null},stacktrace:{value:null},reproductionlink:{setter:function(e){return null!==e&&(e='<a href="'+(e=d.Escape.html(e))+'">'+e.replace(M.cfg.wwwroot,"")+"</a>"),e},value:null},hideTimeoutDelay:{validator:d.Lang.isNumber,value:null}}}),M.core.ajaxException=i},"@VERSION@",{requires:["moodle-core-notification-dialogue"]});
\ No newline at end of file
+YUI.add("moodle-core-notification-ajaxexception",function(a,e){var t;M.core=M.core||{},a.extend(t=function(e){e.name=e.name||M.util.get_string("error","moodle"),e.closeButton=!0,t.superclass.constructor.apply(this,[e])},M.core.notification.info,{_keypress:null,initializer:function(e){var t=this,i=this.get("hideTimeoutDelay"),o=M.util.get_string("labelsep","langconfig");this.get("notificationBase").addClass("moodle-dialogue-exception"),this.setStdModContent(a.WidgetStdMod.HEADER,'<h1 id="moodle-dialogue-'+this.get("COUNT")+'-header-text">'+a.Escape.html(e.name)+"</h1>",a.WidgetStdMod.REPLACE),e=a.Node.create('<div class="moodle-ajaxexception" data-rel="fatalerror"></div>').append(a.Node.create('<div class="moodle-exception-message">'+a.Escape.html(this.get("error"))+"</div>")).append(a.Node.create('<div class="moodle-exception-param hidden param-debuginfo"><label>'+M.util.get_string("url","moodle")+o+"</label> "+this.get("reproductionlink")+"</div>")).append(a.Node.create('<div class="moodle-exception-param hidden param-debuginfo"><label>'+M.util.get_string("debuginfo","debug")+o+"</label> "+a.Escape.html(this.get("debuginfo"))+"</div>")).append(a.Node.create('<div class="moodle-exception-param hidden param-stacktrace"><label>'+M.util.get_string("stacktrace","debug")+o+"</label> <pre>"+a.Escape.html(this.get("stacktrace"))+"</pre></div>")),M.cfg.developerdebug&&e.all(".moodle-exception-param").removeClass("hidden"),this.setStdModContent(a.WidgetStdMod.BODY,e,a.WidgetStdMod.REPLACE),i&&(this._hideTimeout=setTimeout(function(){t.hide()},i)),this.after("visibleChange",this.visibilityChanged,this),this._keypress=a.on("key",this.hide,window,"down:13, 27",this),this.centerDialogue()},visibilityChanged:function(e){var t;"visible"===e.attrName&&e.prevVal&&!e.newVal&&((t=this)._keypress.detach(),setTimeout(function(){t.destroy()},1e3))}},{NAME:"Moodle AJAX exception",CSS_PREFIX:"moodle-dialogue",ATTRS:{error:{validator:a.Lang.isString,value:M.util.get_string("unknownerror","moodle")},debuginfo:{value:null},stacktrace:{value:null},reproductionlink:{setter:function(e){return e=null!==e?'<a href="'+(e=a.Escape.html(e))+'">'+e.replace(M.cfg.wwwroot,"")+"</a>":e},value:null},hideTimeoutDelay:{validator:a.Lang.isNumber,value:null}}}),M.core.ajaxException=t},"@VERSION@",{requires:["moodle-core-notification-dialogue"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-notification-alert/moodle-core-notification-alert-min.js b/lib/yui/build/moodle-core-notification-alert/moodle-core-notification-alert-min.js
index eeebc2cd61b..8b33ceff805 100644
--- a/lib/yui/build/moodle-core-notification-alert/moodle-core-notification-alert-min.js
+++ b/lib/yui/build/moodle-core-notification-alert/moodle-core-notification-alert-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-notification-alert",function(o,t){var e,i;M.core=M.core||{},e="Moodle alert",i=function(t){t.closeButton=!1,i.superclass.constructor.apply(this,[t])},o.extend(i,M.core.notification.info,{_closeEvents:null,initializer:function(){var t,e,i;this._closeEvents=[],this.publish("complete"),t=o.Node.create('<input type="button" class="btn btn-primary" id="id_yuialertconfirm-'+this.get("COUNT")+'"value="'+this.get("yesLabel")+'" />'),e=o.Node.create('<div class="confirmation-dialogue"></div>').append(o.Node.create('<div class="confirmation-message">'+this.get("message")+"</div>")).append(o.Node.create('<div class="confirmation-buttons text-xs-right"></div>').append(t)),this.get("notificationBase").addClass("moodle-dialogue-confirm"),this.setStdModContent(o.WidgetStdMod.BODY,e,o.WidgetStdMod.REPLACE),this.setStdModContent(o.WidgetStdMod.HEADER,'<h1 id="moodle-dialogue-'+this.get("COUNT")+'-header-text">'+this.get("title")+"</h1>",o.WidgetStdMod.REPLACE),this._closeEvents.push(o.on("key",this.submit,window,"down:13",this),t.on("click",this.submit,this)),(i=this.get("boundingBox").one(".closebutton"))&&this._closeEvents.push(i.on("click",this.submit,this))},submit:function(){new o.EventHandle(this._closeEvents).detach(),this.fire("complete"),this.hide(),this.destroy()}},{NAME:e,CSS_PREFIX:"moodle-dialogue",ATTRS:{title:{validator:o.Lang.isString,value:"Alert"},message:{validator:o.Lang.isString,value:"Confirm"},yesLabel:{validator:o.Lang.isString,setter:function(t){return t=t||"OK"},value:"OK"}}}),M.core.alert=i},"@VERSION@",{requires:["moodle-core-notification-dialogue"]});
\ No newline at end of file
+YUI.add("moodle-core-notification-alert",function(i,t){var e;M.core=M.core||{},i.extend(e=function(t){t.closeButton=!1,e.superclass.constructor.apply(this,[t])},M.core.notification.info,{_closeEvents:null,initializer:function(){var t,e;this._closeEvents=[],this.publish("complete"),t=i.Node.create('<input type="button" class="btn btn-primary" id="id_yuialertconfirm-'+this.get("COUNT")+'"value="'+this.get("yesLabel")+'" />'),e=i.Node.create('<div class="confirmation-dialogue"></div>').append(i.Node.create('<div class="confirmation-message">'+this.get("message")+"</div>")).append(i.Node.create('<div class="confirmation-buttons text-xs-right"></div>').append(t)),this.get("notificationBase").addClass("moodle-dialogue-confirm"),this.setStdModContent(i.WidgetStdMod.BODY,e,i.WidgetStdMod.REPLACE),this.setStdModContent(i.WidgetStdMod.HEADER,'<h1 id="moodle-dialogue-'+this.get("COUNT")+'-header-text">'+this.get("title")+"</h1>",i.WidgetStdMod.REPLACE),this._closeEvents.push(i.on("key",this.submit,window,"down:13",this),t.on("click",this.submit,this)),(e=this.get("boundingBox").one(".closebutton"))&&this._closeEvents.push(e.on("click",this.submit,this))},submit:function(){new i.EventHandle(this._closeEvents).detach(),this.fire("complete"),this.hide(),this.destroy()}},{NAME:"Moodle alert",CSS_PREFIX:"moodle-dialogue",ATTRS:{title:{validator:i.Lang.isString,value:"Alert"},message:{validator:i.Lang.isString,value:"Confirm"},yesLabel:{validator:i.Lang.isString,setter:function(t){return t=t||"OK"},value:"OK"}}}),M.core.alert=e},"@VERSION@",{requires:["moodle-core-notification-dialogue"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-notification-confirm/moodle-core-notification-confirm-min.js b/lib/yui/build/moodle-core-notification-confirm/moodle-core-notification-confirm-min.js
index 35f40f7d72a..ebed1037822 100644
--- a/lib/yui/build/moodle-core-notification-confirm/moodle-core-notification-confirm-min.js
+++ b/lib/yui/build/moodle-core-notification-confirm/moodle-core-notification-confirm-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-notification-confirm",function(i,t){var e,o;M.core=M.core||{},e="Moodle confirmation dialogue",o=function(t){o.superclass.constructor.apply(this,[t])},i.extend(o,M.core.notification.info,{_closeEvents:null,_yesButton:null,_noButton:null,_question:null,initializer:function(){var t,e;this._closeEvents=[],this.publish("complete"),this.publish("complete-yes"),this.publish("complete-no"),this._yesButton=i.Node.create('<input type="button" class="btn btn-primary" id="id_yuiconfirmyes-'+this.get("COUNT")+'" value="'+this.get("yesLabel")+'" />'),this._noButton=i.Node.create('<input type="button" class="btn btn-secondary" id="id_yuiconfirmno-'+this.get("COUNT")+'" value="'+this.get("noLabel")+'" />'),this._question=i.Node.create('<div class="confirmation-message">'+this.get("question")+"</div>"),t=i.Node.create('<div class="confirmation-dialogue"></div>').append(this._question).append(i.Node.create('<div class="confirmation-buttons form-inline justify-content-around"></div>').append(this._yesButton).append(this._noButton)),this.get("notificationBase").addClass("moodle-dialogue-confirm"),this.setStdModContent(i.WidgetStdMod.BODY,t,i.WidgetStdMod.REPLACE),this.setStdModContent(i.WidgetStdMod.HEADER,'<h1 id="moodle-dialogue-'+this.get("COUNT")+'-header-text">'+this.get("title")+"</h1>",i.WidgetStdMod.REPLACE),this._closeEvents.push(i.on("key",this.submit,window,"down:27",this,!1),this._yesButton.on("click",this.submit,this,!0),this._noButton.on("click",this.submit,this,!1)),(e=this.get("boundingBox").one(".closebutton"))&&this._closeEvents.push(e.on("click",this.submit,this))},submit:function(t,e){new i.EventHandle(this._closeEvents).detach(),this.fire("complete",e),e?this.fire("complete-yes"):this.fire("complete-no"),this.hide(),this.destroy()}},{NAME:e,CSS_PREFIX:"moodle-dialogue",ATTRS:{yesLabel:{validator:i.Lang.isString,valueFn:function(){return M.util.get_string("yes","moodle")},setter:function(t){return this._yesButton&&this._yesButton.set("value",t),t}},noLabel:{validator:i.Lang.isString,valueFn:function(){return M.util.get_string("no","moodle")},setter:function(t){return this._noButton&&this._noButton.set("value",t),t}},title:{validator:i.Lang.isString,value:M.util.get_string("confirm","moodle")},question:{validator:i.Lang.isString,valueFn:function(){return M.util.get_string("areyousure","moodle")},setter:function(t){return this._question&&this._question.set("value",t),t}}}}),i.augment(o,i.EventTarget),M.core.confirm=o},"@VERSION@",{requires:["moodle-core-notification-dialogue"]});
\ No newline at end of file
+YUI.add("moodle-core-notification-confirm",function(i,t){var e;M.core=M.core||{},i.extend(e=function(t){e.superclass.constructor.apply(this,[t])},M.core.notification.info,{_closeEvents:null,_yesButton:null,_noButton:null,_question:null,initializer:function(){var t;this._closeEvents=[],this.publish("complete"),this.publish("complete-yes"),this.publish("complete-no"),this._yesButton=i.Node.create('<input type="button" class="btn btn-primary" id="id_yuiconfirmyes-'+this.get("COUNT")+'" value="'+this.get("yesLabel")+'" />'),this._noButton=i.Node.create('<input type="button" class="btn btn-secondary" id="id_yuiconfirmno-'+this.get("COUNT")+'" value="'+this.get("noLabel")+'" />'),this._question=i.Node.create('<div class="confirmation-message">'+this.get("question")+"</div>"),t=i.Node.create('<div class="confirmation-dialogue"></div>').append(this._question).append(i.Node.create('<div class="confirmation-buttons form-inline justify-content-around"></div>').append(this._yesButton).append(this._noButton)),this.get("notificationBase").addClass("moodle-dialogue-confirm"),this.setStdModContent(i.WidgetStdMod.BODY,t,i.WidgetStdMod.REPLACE),this.setStdModContent(i.WidgetStdMod.HEADER,'<h1 id="moodle-dialogue-'+this.get("COUNT")+'-header-text">'+this.get("title")+"</h1>",i.WidgetStdMod.REPLACE),this._closeEvents.push(i.on("key",this.submit,window,"down:27",this,!1),this._yesButton.on("click",this.submit,this,!0),this._noButton.on("click",this.submit,this,!1)),(t=this.get("boundingBox").one(".closebutton"))&&this._closeEvents.push(t.on("click",this.submit,this))},submit:function(t,e){new i.EventHandle(this._closeEvents).detach(),this.fire("complete",e),e?this.fire("complete-yes"):this.fire("complete-no"),this.hide(),this.destroy()}},{NAME:"Moodle confirmation dialogue",CSS_PREFIX:"moodle-dialogue",ATTRS:{yesLabel:{validator:i.Lang.isString,valueFn:function(){return M.util.get_string("yes","moodle")},setter:function(t){return this._yesButton&&this._yesButton.set("value",t),t}},noLabel:{validator:i.Lang.isString,valueFn:function(){return M.util.get_string("no","moodle")},setter:function(t){return this._noButton&&this._noButton.set("value",t),t}},title:{validator:i.Lang.isString,value:M.util.get_string("confirm","moodle")},question:{validator:i.Lang.isString,valueFn:function(){return M.util.get_string("areyousure","moodle")},setter:function(t){return this._question&&this._question.set("value",t),t}}}}),i.augment(e,i.EventTarget),M.core.confirm=e},"@VERSION@",{requires:["moodle-core-notification-dialogue"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-notification-dialogue/moodle-core-notification-dialogue-min.js b/lib/yui/build/moodle-core-notification-dialogue/moodle-core-notification-dialogue-min.js
index 56cfc98f8fa..106e363fa3e 100644
--- a/lib/yui/build/moodle-core-notification-dialogue/moodle-core-notification-dialogue-min.js
+++ b/lib/yui/build/moodle-core-notification-dialogue/moodle-core-notification-dialogue-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-core-notification-dialogue",function(n,e){var t,a,i,s,l,d,r,u,h,o,c,g="moodle-dialogue",f="notificationBase",v={BASE:"moodle-dialogue-base",WRAP:"moodle-dialogue-wrap",HEADER:"moodle-dialogue-hd",BODY:"moodle-dialogue-bd",CONTENT:"moodle-dialogue-content",FOOTER:"moodle-dialogue-ft",HIDDEN:"hidden",LIGHTBOX:"moodle-dialogue-lightbox"};M.core=M.core||{},t="Moodle dialogue",i=g+"-fullscreen",s=g+"-hidden",l=" [role=dialog]",d="[role=menubar]",r=".",u="moodle-has-zindex",h='input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]',o="form",a=function(e){var t="moodle-dialogue-"+n.stamp(this)+"-wrap";e.notificationBase=n.Node.create('<div class="'+v.BASE+'">').append(n.Node.create('<div id="'+t+'" role="dialog" aria-labelledby="'+t+'-header-text" class="'+v.WRAP+'"  aria-live="polite"></div>').append(n.Node.create('<div id="'+t+'-header-text" class="'+v.HEADER+' yui3-widget-hd"></div>')).append(n.Node.create('<div class="'+v.BODY+' yui3-widget-bd"></div>')).append(n.Node.create('<div class="'+v.FOOTER+' yui3-widget-ft"></div>'))),n.one(document.body).append(e.notificationBase),e.srcNode="#"+t,delete e.buttons,a.superclass.constructor.apply(this,[e])},n.extend(a,n.Panel,{_resizeevent:null,_orientationevent:null,_calculatedzindex:!1,_currentMaskNodeId:null,_originalPosition:null,_hiddenSiblings:null,hideIfNotForm:function(){null===this.get("boundingBox").one(o)&&this.hide()},initializer:function(){var e,t,i,o;!1!==this.get("closeButton")&&(t=this.get("closeButtonTitle"),this.get("buttons").header[0].setAttribute("title",t),this.get("buttons").header[0].setAttribute("aria-label",t)),this._hiddenSiblings=[],this.get("render")&&this.render(),this.after("visibleChange",this.visibilityChanged,this),this.get("center")&&this.centerDialogue(),this.get("modal")&&(this.get(f).set("aria-hidden","true"),this.plug(n.M.core.LockScroll)),this.set("focusOn",n.Array(this.get("focusOn")).filter(function(e){return"focusoutside"!==e.eventName})),(e=this.get("boundingBox")).addClass(u),n.Array.each(this.get("extraClasses"),e.addClass,e),this.get("visible")&&this.applyZIndex(),this.on("maskShow",this.applyZIndex),this.on("maskShow",function(){var e,t=n.one(n.config.win),i=this.get("boundingBox");this.get("center")||(this._originalPosition=i.getXY()),e=this.get("maskNode"),this._currentMaskNodeId!==e.get("_yuid")&&(this._currentMaskNodeId=e.get("_yuid"),e.on("click",this.hideIfNotForm,this)),"fixed"!==i.getStyle("position")&&i.setStyles({top:t.get("scrollTop"),left:t.get("scrollLeft")})},this),i=this.get("notificationBase"),""!==(o=this.get("additionalBaseClass"))&&i.addClass(o),this.after("destroyedChange",function(){this.get(f).remove(!0)},this)},applyZIndex:function(){var i=1040,e=1,t=this.get("boundingBox"),o=this.get("maskNode"),s=this.get("zIndex");0===s||this._calculatedzindex?(n.all(l+", "+d+", "+r+u).each(function(e){var t=this.findZIndex(e);i<t&&(i=t)},this),e=(i+1).toString(),t.setStyle("zIndex",e),this.set("zIndex",e),this.get("modal")&&(o.setStyle("zIndex",e),n.UA.ie&&n.UA.compareVersions(n.UA.ie,9)<0&&setTimeout(function(){o.setStyle("position","static"),setTimeout(function(){o.setStyle("position","fixed")},0)},0)),this._calculatedzindex=!0):t.setStyle("zIndex",s)},findZIndex:function(e){var t=e.getStyle("zIndex")||e.ancestor().getStyle("zIndex");return t?parseInt(t,10):0},visibilityChanged:function(e){var t;"visible"===e.attrName&&(this.get("maskNode").addClass(v.LIGHTBOX),e.prevVal&&!e.newVal&&(this.get("boundingBox"),this._resizeevent&&(this._resizeevent.detach(),this._resizeevent=null),this._orientationevent&&(this._orientationevent.detach(),this._orientationevent=null),require(["core/local/aria/focuslock"],function(e){e.untrapFocus()}),this.get("modal")&&this.setAccessibilityHidden()),!e.prevVal&&e.newVal&&(this.applyZIndex(),this.makeResponsive(),this.shouldResizeFullscreen()||this.get("draggable")&&(t="#"+this.get("id")+" ."+v.HEADER,this.plug(n.Plugin.Drag,{handles:[t]}),n.one(t).setStyle("cursor","move")),require(["core/local/aria/focuslock"],function(e){e.trapFocus(this.get("boundingBox").getDOMNode())}.bind(this)),this.get("modal")&&this.setAccessibilityVisible()),this.get("center")&&!e.prevVal&&e.newVal&&this.centerDialogue())},makeResponsive:function(){var e=this.get("boundingBox");this.shouldResizeFullscreen()?(e.addClass(i),e.setStyles({left:null,top:null,width:null,height:null,right:null,bottom:null})):this.get("responsive")&&e.removeClass(i).setStyles({width:this.get("width"),height:this.get("height")}),this.lockScroll&&this.lockScroll.updateScrollLock(this.shouldResizeFullscreen())},centerDialogue:function(){var e,t,i=this.get("boundingBox"),o=i.hasClass(s);this.shouldResizeFullscreen()||(o&&i.setStyle("top","-1000px").removeClass(s),e=Math.max(Math.round((i.get("winWidth")-i.get("offsetWidth"))/2),15),t=Math.max(Math.round((i.get("winHeight")-i.get("offsetHeight"))/2),15)+n.one(window).get("scrollTop"),i.setStyles({left:e,top:t}),o&&i.addClass(s),this.makeResponsive())},shouldResizeFullscreen:function(){return window===window.parent&&this.get("responsive")&&Math.floor(n.one(document.body).get("winWidth"))<this.get("responsiveWidth")},show:function(){var e,t=this.headerNode,i=this.bodyNode,o=this.get("focusOnShowSelector"),s=null;return e=a.superclass.show.call(this),!this.get("center")&&this._originalPosition&&this.get("boundingBox").setXY(this._originalPosition),null!==o&&(s=this.get("boundingBox").one(o)),s||(t&&""!==t?s=t:i&&""!==i&&(s=i)),s&&s.focus(),e},hide:function(e){if(!e||"key"!==e.type||27!==e.keyCode||this.get("focused"))return this.lockScroll&&this.lockScroll.disableScrollLock(),a.superclass.hide.call(this,arguments)},keyDelegation:function(){this.get("boundingBox").delegate("key",function(e){var t=e.target,i="forward";e.shiftKey&&(i="backward"),this.trapFocus(t,i)&&e.preventDefault()},"down:9",h,this)},trapFocus:function(e,t){var i=this.get("boundingBox"),o=i.one(h),s=i.all(h).pop();return e===s&&"forward"===t?o.focus(
-):e===o&&"backward"===t?s.focus():void 0},setAccessibilityVisible:function(){var i=this.get(f);n.one(document.body).get("children").each(function(e){if(e!==i){var t=e.get("aria-hidden");"true"!==t&&(e.setData("previous-aria-hidden",t),this._hiddenSiblings.push(e),e.set("aria-hidden","true"))}},this),i.set("aria-hidden","false")},setAccessibilityHidden:function(){this.get(f).set("aria-hidden","true"),n.Array.each(this._hiddenSiblings,function(e){var t=e.getData("previous-aria-hidden");null===t?e.removeAttribute("aria-hidden"):e.set("aria-hidden",t)}),this._hiddenSiblings=[]}},{NAME:t,CSS_PREFIX:g,ATTRS:{additionalBaseClass:{value:""},notificationBase:{},lightbox:{lazyAdd:!1,setter:function(e){this.set("modal",e)}},closeButton:{validator:n.Lang.isBoolean,value:!0},closeButtonTitle:{validator:n.Lang.isString,value:M.util.get_string("closebuttontitle","moodle")},center:{validator:n.Lang.isBoolean,value:!0},draggable:{validator:n.Lang.isBoolean,value:!1},COUNT:{writeOnce:!0,valueFn:function(){return n.stamp(this)}},responsive:{validator:n.Lang.isBoolean,value:!0},responsiveWidth:{value:768},focusOnShowSelector:{value:null}}}),n.Base.modifyAttrs(a,{width:{value:"400px",setter:function(e){return"auto"===e?"":e}},visible:{value:!1},centered:{setter:function(e){return e&&this.set("center",!0),!1}},render:{value:!0,writeOnce:!0},extraClasses:{value:[]},id:{writeOnce:!0,valueFn:function(){return"moodle-dialogue-"+n.stamp(this)}},buttons:{getter:n.WidgetButtons.prototype._getButtons,setter:n.WidgetButtons.prototype._setButtons,valueFn:function(){return!1===this.get("closeButton")?null:[{section:n.WidgetStdMod.HEADER,classNames:"closebutton",action:function(){this.hide()}}]}}}),n.Base.mix(a,[n.M.core.WidgetFocusAfterHide]),M.core.dialogue=a,c=function(){c.superclass.constructor.apply(this,arguments)},n.extend(c,M.core.dialogue,{initializer:function(){this.show()}},{NAME:"Moodle information dialogue",CSS_PREFIX:g}),n.Base.modifyAttrs(c,{modal:{validator:n.Lang.isBoolean,value:!0}}),M.core.notification=M.core.notification||{},M.core.notification.info=c},"@VERSION@",{requires:["base","node","panel","escape","event-key","dd-plugin","moodle-core-widget-focusafterclose","moodle-core-lockscroll"]});
\ No newline at end of file
+YUI.add("moodle-core-notification-dialogue",function(n,u){var a,t,s,l,d,e,i="moodle-dialogue",o="notificationBase",r={BASE:"moodle-dialogue-base",WRAP:"moodle-dialogue-wrap",HEADER:"moodle-dialogue-hd",BODY:"moodle-dialogue-bd",CONTENT:"moodle-dialogue-content",FOOTER:"moodle-dialogue-ft",HIDDEN:"hidden",LIGHTBOX:"moodle-dialogue-lightbox"};M.core=M.core||{},t=i+"-fullscreen",s=i+"-hidden",l="moodle-has-zindex",n.extend(a=function(e){var t="moodle-dialogue-"+n.stamp(this)+"-wrap";e.notificationBase=n.Node.create('<div class="'+r.BASE+'">').append(n.Node.create('<div id="'+t+'" role="dialog" aria-labelledby="'+t+'-header-text" class="'+r.WRAP+'"  aria-live="polite"></div>').append(n.Node.create('<div id="'+t+'-header-text" class="'+r.HEADER+' yui3-widget-hd"></div>')).append(n.Node.create('<div class="'+r.BODY+' yui3-widget-bd"></div>')).append(n.Node.create('<div class="'+r.FOOTER+' yui3-widget-ft"></div>'))),n.one(document.body).append(e.notificationBase),e.srcNode="#"+t,delete e.buttons,a.superclass.constructor.apply(this,[e])},n.Panel,{_resizeevent:null,_orientationevent:null,_calculatedzindex:!"form",_currentMaskNodeId:null,_originalPosition:null,_hiddenSiblings:null,hideIfNotForm:function(){null===this.get("boundingBox").one("form")&&this.hide()},initializer:function(){var e,t;!1!==this.get("closeButton")&&(e=this.get("closeButtonTitle"),this.get("buttons").header[0].setAttribute("title",e),this.get("buttons").header[0].setAttribute("aria-label",e)),this._hiddenSiblings=[],this.get("render")&&this.render(),this.after("visibleChange",this.visibilityChanged,this),this.get("center")&&this.centerDialogue(),this.get("modal")&&(this.get(o).set("aria-hidden","true"),this.plug(n.M.core.LockScroll)),this.set("focusOn",n.Array(this.get("focusOn")).filter(function(e){return"focusoutside"!==e.eventName})),(e=this.get("boundingBox")).addClass(l),n.Array.each(this.get("extraClasses"),e.addClass,e),this.get("visible")&&this.applyZIndex(),this.on("maskShow",this.applyZIndex),this.on("maskShow",function(){var e,t=n.one(n.config.win),i=this.get("boundingBox");this.get("center")||(this._originalPosition=i.getXY()),e=this.get("maskNode"),this._currentMaskNodeId!==e.get("_yuid")&&(this._currentMaskNodeId=e.get("_yuid"),e.on("click",this.hideIfNotForm,this)),"fixed"!==i.getStyle("position")&&i.setStyles({top:t.get("scrollTop"),left:t.get("scrollLeft")})},this),e=this.get("notificationBase"),""!==(t=this.get("additionalBaseClass"))&&e.addClass(t),this.after("destroyedChange",function(){this.get(o).remove(!0)},this)},applyZIndex:function(){var e,t=1040,i=this.get("boundingBox"),o=this.get("maskNode"),s=this.get("zIndex");0===s||this._calculatedzindex?(n.all(" [role=dialog], [role=menubar], ."+l).each(function(e){e=this.findZIndex(e);t<e&&(t=e)},this),e=(t+1).toString(),i.setStyle("zIndex",e),this.set("zIndex",e),this.get("modal")&&(o.setStyle("zIndex",e),n.UA.ie&&n.UA.compareVersions(n.UA.ie,9)<0&&setTimeout(function(){o.setStyle("position","static"),setTimeout(function(){o.setStyle("position","fixed")},0)},0)),this._calculatedzindex=!0):i.setStyle("zIndex",s)},findZIndex:function(e){e=e.getStyle("zIndex")||e.ancestor().getStyle("zIndex");return e?parseInt(e,10):0},visibilityChanged:function(e){var t;"visible"===e.attrName&&(this.get("maskNode").addClass(r.LIGHTBOX),e.prevVal&&!e.newVal&&(this.get("boundingBox"),this._resizeevent&&(this._resizeevent.detach(),this._resizeevent=null),this._orientationevent&&(this._orientationevent.detach(),this._orientationevent=null),require(["core/local/aria/focuslock"],function(e){e.untrapFocus()}),this.get("modal")&&this.setAccessibilityHidden()),!e.prevVal&&e.newVal&&(this.applyZIndex(),this.makeResponsive(),this.shouldResizeFullscreen()||this.get("draggable")&&(t="#"+this.get("id")+" ."+r.HEADER,this.plug(n.Plugin.Drag,{handles:[t]}),n.one(t).setStyle("cursor","move")),require(["core/local/aria/focuslock"],function(e){e.trapFocus(this.get("boundingBox").getDOMNode())}.bind(this)),this.get("modal")&&this.setAccessibilityVisible()),this.get("center")&&!e.prevVal&&e.newVal&&this.centerDialogue())},makeResponsive:function(){var e=this.get("boundingBox");this.shouldResizeFullscreen()?(e.addClass(t),e.setStyles({left:null,top:null,width:null,height:null,right:null,bottom:null})):this.get("responsive")&&e.removeClass(t).setStyles({width:this.get("width"),height:this.get("height")}),this.lockScroll&&this.lockScroll.updateScrollLock(this.shouldResizeFullscreen())},centerDialogue:function(){var e,t,i=this.get("boundingBox"),o=i.hasClass(s);this.shouldResizeFullscreen()||(o&&i.setStyle("top","-1000px").removeClass(s),e=Math.max(Math.round((i.get("winWidth")-i.get("offsetWidth"))/2),15),t=Math.max(Math.round((i.get("winHeight")-i.get("offsetHeight"))/2),15)+n.one(window).get("scrollTop"),i.setStyles({left:e,top:t}),o&&i.addClass(s),this.makeResponsive())},shouldResizeFullscreen:function(){return window===window.parent&&this.get("responsive")&&Math.floor(n.one(document.body).get("winWidth"))<this.get("responsiveWidth")},show:function(){var e=this.headerNode,t=this.bodyNode,i=this.get("focusOnShowSelector"),o=null,s=a.superclass.show.call(this);return!this.get("center")&&this._originalPosition&&this.get("boundingBox").setXY(this._originalPosition),(o=null!==i?this.get("boundingBox").one(i):o)||(e&&""!==e?o=e:t&&""!==t&&(o=t)),o&&o.focus(),s},hide:function(e){if(!e||"key"!==e.type||27!==e.keyCode||this.get("focused"))return this.lockScroll&&this.lockScroll.disableScrollLock(),a.superclass.hide.call(this,arguments)},keyDelegation:function(){this.get("boundingBox").delegate("key",function(e){var t=e.target,i="forward";e.shiftKey&&(i="backward"),this.trapFocus(t,i)&&e.preventDefault()},"down:9",d,this)},trapFocus:function(e,t){var i=this.get("boundingBox"),o=i.one(d),i=i.all(d).pop();return e===i&&"forward"===t?o.focus():e===o&&"backward"===t?i.focus():void 0},setAccessibilityVisible:function(){var i=this.get(o);n.one(document.body).get("children").each(function(e){var t;
+e===i||"true"!==(t=e.get("aria-hidden"))&&(e.setData("previous-aria-hidden",t),this._hiddenSiblings.push(e),e.set("aria-hidden","true"))},this),i.set("aria-hidden","false")},setAccessibilityHidden:function(){this.get(o).set("aria-hidden","true"),n.Array.each(this._hiddenSiblings,function(e){var t=e.getData("previous-aria-hidden");null===t?e.removeAttribute("aria-hidden"):e.set("aria-hidden",t)}),this._hiddenSiblings=[]}},{NAME:"Moodle dialogue",CSS_PREFIX:i,ATTRS:{additionalBaseClass:{value:""},notificationBase:{},lightbox:{lazyAdd:!(d='input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]'),setter:function(e){this.set("modal",e)}},closeButton:{validator:n.Lang.isBoolean,value:!0},closeButtonTitle:{validator:n.Lang.isString,value:M.util.get_string("closebuttontitle","moodle")},center:{validator:n.Lang.isBoolean,value:!0},draggable:{validator:n.Lang.isBoolean,value:!1},COUNT:{writeOnce:!0,valueFn:function(){return n.stamp(this)}},responsive:{validator:n.Lang.isBoolean,value:!0},responsiveWidth:{value:768},focusOnShowSelector:{value:null}}}),n.Base.modifyAttrs(a,{width:{value:"400px",setter:function(e){return"auto"===e?"":e}},visible:{value:!1},centered:{setter:function(e){return e&&this.set("center",!0),!1}},render:{value:!0,writeOnce:!0},extraClasses:{value:[]},id:{writeOnce:!0,valueFn:function(){return"moodle-dialogue-"+n.stamp(this)}},buttons:{getter:n.WidgetButtons.prototype._getButtons,setter:n.WidgetButtons.prototype._setButtons,valueFn:function(){return!1===this.get("closeButton")?null:[{section:n.WidgetStdMod.HEADER,classNames:"closebutton",action:function(){this.hide()}}]}}}),n.Base.mix(a,[n.M.core.WidgetFocusAfterHide]),M.core.dialogue=a,n.extend(e=function(){e.superclass.constructor.apply(this,arguments)},M.core.dialogue,{initializer:function(){this.show()}},{NAME:"Moodle information dialogue",CSS_PREFIX:i}),n.Base.modifyAttrs(e,{modal:{validator:n.Lang.isBoolean,value:!0}}),M.core.notification=M.core.notification||{},M.core.notification.info=e},"@VERSION@",{requires:["base","node","panel","escape","event-key","dd-plugin","moodle-core-widget-focusafterclose","moodle-core-lockscroll"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-notification-exception/moodle-core-notification-exception-min.js b/lib/yui/build/moodle-core-notification-exception/moodle-core-notification-exception-min.js
index 2200c4a24c0..dbe01bd9f91 100644
--- a/lib/yui/build/moodle-core-notification-exception/moodle-core-notification-exception-min.js
+++ b/lib/yui/build/moodle-core-notification-exception/moodle-core-notification-exception-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-notification-exception",function(l,e){var i,a;M.core=M.core||{},i="Moodle exception",a=function(i){var e,t=l.mix({},i);t.width=t.width||M.cfg.developerdebug?Math.floor(l.one(document.body).get("winWidth")/3)+"px":null,t.closeButton=!0,e=["message","name","fileName","lineNumber","stack"],l.Array.each(e,function(e){t[e]=i[e]}),a.superclass.constructor.apply(this,[t])},l.extend(a,M.core.notification.info,{_hideTimeout:null,_keypress:null,initializer:function(e){var i,t=this,a=this.get("hideTimeoutDelay"),o=M.util.get_string("labelsep","langconfig");this.get("notificationBase").addClass("moodle-dialogue-exception"),this.setStdModContent(l.WidgetStdMod.HEADER,'<h1 id="moodle-dialogue-'+e.COUNT+'-header-text">'+l.Escape.html(e.name)+"</h1>",l.WidgetStdMod.REPLACE),i=l.Node.create('<div class="moodle-exception" data-rel="fatalerror"></div>').append(l.Node.create('<div class="moodle-exception-message">'+l.Escape.html(this.get("message"))+"</div>")).append(l.Node.create('<div class="moodle-exception-param hidden param-filename"><label>'+M.util.get_string("file","moodle")+o+"</label> "+l.Escape.html(this.get("fileName"))+"</div>")).append(l.Node.create('<div class="moodle-exception-param hidden param-linenumber"><label>'+M.util.get_string("line","debug")+o+"</label> "+l.Escape.html(this.get("lineNumber"))+"</div>")).append(l.Node.create('<div class="moodle-exception-param hidden param-stacktrace"><label>'+M.util.get_string("stacktrace","debug")+o+"</label> <pre>"+this.get("stack")+"</pre></div>")),M.cfg.developerdebug&&i.all(".moodle-exception-param").removeClass("hidden"),this.setStdModContent(l.WidgetStdMod.BODY,i,l.WidgetStdMod.REPLACE),a&&(this._hideTimeout=setTimeout(function(){t.hide()},a)),this.after("visibleChange",this.visibilityChanged,this),this._keypress=l.on("key",this.hide,window,"down:13,27",this),this.centerDialogue()},visibilityChanged:function(e){if("visible"===e.attrName&&e.prevVal&&!e.newVal){this._keypress&&this._keypress.detach();var i=this;setTimeout(function(){i.destroy()},1e3)}}},{NAME:i,CSS_PREFIX:"moodle-dialogue",ATTRS:{message:{value:""},name:{value:""},fileName:{value:""},lineNumber:{value:""},stack:{setter:function(e){var i,t=l.Escape.html(e).split("\n"),a=new RegExp("^(.+)@("+M.cfg.wwwroot+")?(.{0,75}).*:(\\d+)$");for(i in t)t[i]=t[i].replace(a,"<div class='stacktrace-line'>ln: $4</div><div class='stacktrace-file'>$3</div><div class='stacktrace-call'>$1</div>");return t.join("\n")},value:""},hideTimeoutDelay:{validator:l.Lang.isNumber,value:null}}}),M.core.exception=a},"@VERSION@",{requires:["moodle-core-notification-dialogue"]});
\ No newline at end of file
+YUI.add("moodle-core-notification-exception",function(o,e){var a;M.core=M.core||{},o.extend(a=function(i){var t=o.mix({},i);t.width=t.width||M.cfg.developerdebug?Math.floor(o.one(document.body).get("winWidth")/3)+"px":null,t.closeButton=!0,o.Array.each(["message","name","fileName","lineNumber","stack"],function(e){t[e]=i[e]}),a.superclass.constructor.apply(this,[t])},M.core.notification.info,{_hideTimeout:null,_keypress:null,initializer:function(e){var i=this,t=this.get("hideTimeoutDelay"),a=M.util.get_string("labelsep","langconfig");this.get("notificationBase").addClass("moodle-dialogue-exception"),this.setStdModContent(o.WidgetStdMod.HEADER,'<h1 id="moodle-dialogue-'+e.COUNT+'-header-text">'+o.Escape.html(e.name)+"</h1>",o.WidgetStdMod.REPLACE),e=o.Node.create('<div class="moodle-exception" data-rel="fatalerror"></div>').append(o.Node.create('<div class="moodle-exception-message">'+o.Escape.html(this.get("message"))+"</div>")).append(o.Node.create('<div class="moodle-exception-param hidden param-filename"><label>'+M.util.get_string("file","moodle")+a+"</label> "+o.Escape.html(this.get("fileName"))+"</div>")).append(o.Node.create('<div class="moodle-exception-param hidden param-linenumber"><label>'+M.util.get_string("line","debug")+a+"</label> "+o.Escape.html(this.get("lineNumber"))+"</div>")).append(o.Node.create('<div class="moodle-exception-param hidden param-stacktrace"><label>'+M.util.get_string("stacktrace","debug")+a+"</label> <pre>"+this.get("stack")+"</pre></div>")),M.cfg.developerdebug&&e.all(".moodle-exception-param").removeClass("hidden"),this.setStdModContent(o.WidgetStdMod.BODY,e,o.WidgetStdMod.REPLACE),t&&(this._hideTimeout=setTimeout(function(){i.hide()},t)),this.after("visibleChange",this.visibilityChanged,this),this._keypress=o.on("key",this.hide,window,"down:13,27",this),this.centerDialogue()},visibilityChanged:function(e){var i;"visible"===e.attrName&&e.prevVal&&!e.newVal&&(this._keypress&&this._keypress.detach(),i=this,setTimeout(function(){i.destroy()},1e3))}},{NAME:"Moodle exception",CSS_PREFIX:"moodle-dialogue",ATTRS:{message:{value:""},name:{value:""},fileName:{value:""},lineNumber:{value:""},stack:{setter:function(e){var i,t=o.Escape.html(e).split("\n"),a=new RegExp("^(.+)@("+M.cfg.wwwroot+")?(.{0,75}).*:(\\d+)$");for(i in t)t[i]=t[i].replace(a,"<div class='stacktrace-line'>ln: $4</div><div class='stacktrace-file'>$3</div><div class='stacktrace-call'>$1</div>");return t.join("\n")},value:""},hideTimeoutDelay:{validator:o.Lang.isNumber,value:null}}}),M.core.exception=a},"@VERSION@",{requires:["moodle-core-notification-dialogue"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-tooltip/moodle-core-tooltip-min.js b/lib/yui/build/moodle-core-tooltip/moodle-core-tooltip-min.js
index 1a073a47cea..052d95171ab 100644
--- a/lib/yui/build/moodle-core-tooltip/moodle-core-tooltip-min.js
+++ b/lib/yui/build/moodle-core-tooltip/moodle-core-tooltip-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-tooltip",function(a,e){function t(e){"undefined"==typeof(e=e||{}).draggable&&(e.draggable=!0),"undefined"==typeof e.constrain&&(e.constrain=!0),t.superclass.constructor.apply(this,[e])}var l=".closebutton",n="tooltiptext",o={pix:"i/loading_small",component:"moodle"},i={};t.NAME="moodle-core-tooltip",t.CSS_PREFIX="moodle-dialogue",(t.ATTRS=i).initialheadertext={value:""},i.initialbodytext={value:"",setter:function(e){var t,i;return t=a.Node.create("<div />").addClass(n),i=a.Node.create("<img />").setAttribute("src",M.util.image_url(o.pix,o.component)).addClass("spinner"),e?(t.set("text",e),i.addClass("iconsmall")):t.addClass("content-lightbox"),t.append(i),t}},i.initialfootertext={value:null,setter:function(e){if(e)return a.Node.create("<div />").set("text",e)}},i.headerhandler={value:"set_header_content"},i.bodyhandler={value:"set_body_content"},i.footerhandler={value:null},i.urlmodifier={value:null},i.textcache={value:null},i.textcachesize={value:10},a.extend(t,M.core.dialogue,{bb:null,listenevents:[],textcache:null,alignpoints:[a.WidgetPositionAlign.TL,a.WidgetPositionAlign.RC],initializer:function(){return this.get("headerhandler")||this.set("headerhandler",this.set_header_content),this.get("bodyhandler")||this.set("bodyhandler",this.set_body_content),this.get("footerhandler")||this.set("footerhandler",function(){}),this.get("urlmodifier")||this.set("urlmodifier",this.modify_url),this.setAttrs({headerContent:this.get("initialheadertext"),bodyContent:this.get("initialbodytext"),footerContent:this.get("initialfootertext")}),this.hide(),this.render(),this.bb=this.get("boundingBox"),this.bb.addClass("moodle-dialogue-tooltip"),window.right_to_left()&&(this.alignpoints=[a.WidgetPositionAlign.TR,a.WidgetPositionAlign.LC]),this.get("textcache")||this.set("textcache",new a.Cache({max:this.get("textcachesize")})),M.cfg.developerdebug&&this.get("textcache").set("max",0),this},display_panel:function(e){var t,i,n,o,s;e.preventDefault(),this.cancel_events(),t=e.target.ancestor("a",!0),this.setAttrs({headerContent:this.get("initialheadertext"),bodyContent:this.get("initialbodytext"),footerContent:this.get("initialfootertext")}),this.show(e),this.align(t,this.alignpoints),i=this.bb.delegate("click",this.close_panel,l,this),this.listenevents.push(i),i=a.one("body").on("key",this.close_panel,"esc",this),this.listenevents.push(i),i=this.bb.on("mousedownoutside",this.close_panel,this),this.listenevents.push(i),n=a.bind(this.get("urlmodifier"),this,t.get("href"))(),(s=this.get("textcache").retrieve(n))?this._set_panel_contents(s.response):(o={method:"get",context:this,sync:!1,on:{complete:function(e,t){this._set_panel_contents(t.responseText,n)}}},a.io(n,o))},_set_panel_contents:function(e,t){var i;try{if((i=a.JSON.parse(e)).error)return this.close_panel(),a.use("moodle-core-notification-ajaxexception",function(){return new M.core.ajaxException(i).show()}),this}catch(n){return this.close_panel(),a.use("moodle-core-notification-exception",function(){return new M.core.exception(n).show()}),this}a.bind(this.get("headerhandler"),this,i)(),a.bind(this.get("bodyhandler"),this,i)(),a.bind(this.get("footerhandler"),this,i)(),t&&this.get("textcache").add(t,e),this.get("buttons").header[0].focus()},set_header_content:function(e){this.set("headerContent",e.heading)},set_body_content:function(e){var t=a.Node.create("<div />").set("innerHTML",e.text).setAttribute("role","alert").addClass(n);this.set("bodyContent",t)},modify_url:function(e){return e.replace(/\.php\?/,"_ajax.php?")},close_panel:function(e){this.hide(e),this.cancel_events(),e&&e.preventDefault()},cancel_events:function(){for(;this.listenevents.length;)this.listenevents.shift().detach()}}),a.Base.modifyAttrs(t,{modal:{value:!1},focusOnPreviousTargetAfterHide:{value:!0}}),M.core=M.core||{},M.core.tooltip=M.core.tooltip=t},"@VERSION@",{requires:["base","node","io-base","moodle-core-notification-dialogue","json-parse","widget-position","widget-position-align","event-outside","cache-base"]});
\ No newline at end of file
+YUI.add("moodle-core-tooltip",function(o,e){function t(e){"undefined"==typeof(e=e||{}).draggable&&(e.draggable=!0),"undefined"==typeof e.constrain&&(e.constrain=!0),t.superclass.constructor.apply(this,[e])}var n=".closebutton",s="tooltiptext",a={pix:"i/loading_small",component:"moodle"},i={};t.NAME="moodle-core-tooltip",t.CSS_PREFIX="moodle-dialogue",(t.ATTRS=i).initialheadertext={value:""},i.initialbodytext={value:"",setter:function(e){var t=o.Node.create("<div />").addClass(s),i=o.Node.create("<img />").setAttribute("src",M.util.image_url(a.pix,a.component)).addClass("spinner");return e?(t.set("text",e),i.addClass("iconsmall")):t.addClass("content-lightbox"),t.append(i),t}},i.initialfootertext={value:null,setter:function(e){if(e)return o.Node.create("<div />").set("text",e)}},i.headerhandler={value:"set_header_content"},i.bodyhandler={value:"set_body_content"},i.footerhandler={value:null},i.urlmodifier={value:null},i.textcache={value:null},i.textcachesize={value:10},o.extend(t,M.core.dialogue,{bb:null,listenevents:[],textcache:null,alignpoints:[o.WidgetPositionAlign.TL,o.WidgetPositionAlign.RC],initializer:function(){return this.get("headerhandler")||this.set("headerhandler",this.set_header_content),this.get("bodyhandler")||this.set("bodyhandler",this.set_body_content),this.get("footerhandler")||this.set("footerhandler",function(){}),this.get("urlmodifier")||this.set("urlmodifier",this.modify_url),this.setAttrs({headerContent:this.get("initialheadertext"),bodyContent:this.get("initialbodytext"),footerContent:this.get("initialfootertext")}),this.hide(),this.render(),this.bb=this.get("boundingBox"),this.bb.addClass("moodle-dialogue-tooltip"),window.right_to_left()&&(this.alignpoints=[o.WidgetPositionAlign.TR,o.WidgetPositionAlign.LC]),this.get("textcache")||this.set("textcache",new o.Cache({max:this.get("textcachesize")})),M.cfg.developerdebug&&this.get("textcache").set("max",0),this},display_panel:function(e){var t,i;e.preventDefault(),this.cancel_events(),t=e.target.ancestor("a",!0),this.setAttrs({headerContent:this.get("initialheadertext"),bodyContent:this.get("initialbodytext"),footerContent:this.get("initialfootertext")}),this.show(e),this.align(t,this.alignpoints),e=this.bb.delegate("click",this.close_panel,n,this),this.listenevents.push(e),e=o.one("body").on("key",this.close_panel,"esc",this),this.listenevents.push(e),e=this.bb.on("mousedownoutside",this.close_panel,this),this.listenevents.push(e),i=o.bind(this.get("urlmodifier"),this,t.get("href"))(),(e=this.get("textcache").retrieve(i))?this._set_panel_contents(e.response):o.io(i,{method:"get",context:this,sync:!1,on:{complete:function(e,t){this._set_panel_contents(t.responseText,i)}}})},_set_panel_contents:function(e,t){var i;try{if((i=o.JSON.parse(e)).error)return this.close_panel(),o.use("moodle-core-notification-ajaxexception",function(){return new M.core.ajaxException(i).show()}),this}catch(n){return this.close_panel(),o.use("moodle-core-notification-exception",function(){return new M.core.exception(n).show()}),this}o.bind(this.get("headerhandler"),this,i)(),o.bind(this.get("bodyhandler"),this,i)(),o.bind(this.get("footerhandler"),this,i)(),t&&this.get("textcache").add(t,e),this.get("buttons").header[0].focus()},set_header_content:function(e){this.set("headerContent",e.heading)},set_body_content:function(e){e=o.Node.create("<div />").set("innerHTML",e.text).setAttribute("role","alert").addClass(s);this.set("bodyContent",e)},modify_url:function(e){return e.replace(/\.php\?/,"_ajax.php?")},close_panel:function(e){this.hide(e),this.cancel_events(),e&&e.preventDefault()},cancel_events:function(){for(;this.listenevents.length;)this.listenevents.shift().detach()}}),o.Base.modifyAttrs(t,{modal:{value:!1},focusOnPreviousTargetAfterHide:{value:!0}}),M.core=M.core||{},M.core.tooltip=M.core.tooltip=t},"@VERSION@",{requires:["base","node","io-base","moodle-core-notification-dialogue","json-parse","widget-position","widget-position-align","event-outside","cache-base"]});
\ No newline at end of file
diff --git a/lib/yui/build/moodle-core-widget-focusafterclose/moodle-core-widget-focusafterclose-min.js b/lib/yui/build/moodle-core-widget-focusafterclose/moodle-core-widget-focusafterclose-min.js
index 0fb8dcd9536..1f9f964d6a8 100644
--- a/lib/yui/build/moodle-core-widget-focusafterclose/moodle-core-widget-focusafterclose-min.js
+++ b/lib/yui/build/moodle-core-widget-focusafterclose/moodle-core-widget-focusafterclose-min.js
@@ -1 +1 @@
-YUI.add("moodle-core-widget-focusafterclose",function(i,e){var s='input:not([type="hidden"]), a[href], button, textarea, select, [tabindex], [contenteditable="true"]';function t(){i.after(this._bindUIFocusAfterHide,this,"bindUI"),this.get("rendered")&&this._bindUIFocusAfterHide()}t.ATTRS={focusOnPreviousTargetAfterHide:{value:!1},focusAfterHide:{value:null,type:i.Node}},t.prototype={_uiHandlesFocusAfterHide:[],_showFocusAfterHide:null,_previousTargetFocusAfterHide:null,initializer:function(){this.get("focusOnPreviousTargetAfterHide")&&this.show&&(this._showFocusAfterHide=this.show,this.show=function(e){this._showFocusAfterHide.apply(this,arguments),this._previousTargetFocusAfterHide=null,e&&e.currentTarget&&(this._previousTargetFocusAfterHide=e.currentTarget)})},destructor:function(){new i.EventHandle(this.uiHandleFocusAfterHide).detach()},_bindUIFocusAfterHide:function(){new i.EventHandle(this.uiHandleFocusAfterHide).detach(),this.uiHandleFocusAfterHide=[this.after("visibleChange",this._afterHostVisibleChangeFocusAfterHide)]},_afterHostVisibleChangeFocusAfterHide:function(){this.get("visible")||this._attemptFocus(this._previousTargetFocusAfterHide)||this._attemptFocus(this.get("focusAfterHide"))},_attemptFocus:function(e){var t=i.one(e);return!!(t=t&&t.ancestor(s,!0))&&(t.focus(),!0)}},i.namespace("M.core").WidgetFocusAfterHide=t},"@VERSION@",{requires:["base-build","widget"]});
\ No newline at end of file
+YUI.add("moodle-core-widget-focusafterclose",function(t,e){function i(){t.after(this._bindUIFocusAfterHide,this,"bindUI"),this.get("rendered")&&this._bindUIFocusAfterHide()}i.ATTRS={focusOnPreviousTargetAfterHide:{value:!1},focusAfterHide:{value:null,type:t.Node}},i.prototype={_uiHandlesFocusAfterHide:[],_showFocusAfterHide:null,_previousTargetFocusAfterHide:null,initializer:function(){this.get("focusOnPreviousTargetAfterHide")&&this.show&&(this._showFocusAfterHide=this.show,this.show=function(e){this._showFocusAfterHide.apply(this,arguments),this._previousTargetFocusAfterHide=null,e&&e.currentTarget&&(this._previousTargetFocusAfterHide=e.currentTarget)})},destructor:function(){new t.EventHandle(this.uiHandleFocusAfterHide).detach()},_bindUIFocusAfterHide:function(){new t.EventHandle(this.uiHandleFocusAfterHide).detach(),this.uiHandleFocusAfterHide=[this.after("visibleChange",this._afterHostVisibleChangeFocusAfterHide)]},_afterHostVisibleChangeFocusAfterHide:function(){this.get("visible")||this._attemptFocus(this._previousTargetFocusAfterHide)||this._attemptFocus(this.get("focusAfterHide"))},_attemptFocus:function(e){e=t.one(e);return!!(e=e&&e.ancestor('input:not([type="hidden"]), a[href], button, textarea, select, [tabindex], [contenteditable="true"]',!0))&&(e.focus(),!0)}},t.namespace("M.core").WidgetFocusAfterHide=i},"@VERSION@",{requires:["base-build","widget"]});
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/Youtube-lazy.min.js b/media/player/videojs/amd/build/Youtube-lazy.min.js
index d5393e9ece4..75f2d8ece1e 100644
--- a/media/player/videojs/amd/build/Youtube-lazy.min.js
+++ b/media/player/videojs/amd/build/Youtube-lazy.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}(function(a,b){if("object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module){var c=require("video.js");module.exports=b(c.default||c)}else if("function"==typeof define&&define.amd){define ("media_videojs/Youtube-lazy",["media_videojs/video-lazy"],function(c){return a.Youtube=b(c)})}else{a.Youtube=b(a.videojs)}})(this,function(a){'use strict';var e=a.browser.IS_IOS||a.browser.IS_NATIVE_ANDROID,f=a.getTech("Tech"),g=a.extend(f,{constructor:function constructor(a,b){f.call(this,a,b);this.setPoster(a.poster);this.setSrc(this.options_.source,!0);this.setTimeout(function(){if(this.el_){this.el_.parentNode.className+=" vjs-youtube";if(e){this.el_.parentNode.className+=" vjs-youtube-mobile"}if(g.isApiReady){this.initYTPlayer()}else{g.apiReadyQueue.push(this)}}}.bind(this))},dispose:function dispose(){if(this.ytPlayer){if(this.ytPlayer.stopVideo){this.ytPlayer.stopVideo()}if(this.ytPlayer.destroy){this.ytPlayer.destroy()}}else{var a=g.apiReadyQueue.indexOf(this);if(-1!==a){g.apiReadyQueue.splice(a,1)}}this.ytPlayer=null;this.el_.parentNode.className=this.el_.parentNode.className.replace(" vjs-youtube","").replace(" vjs-youtube-mobile","");this.el_.parentNode.removeChild(this.el_);f.prototype.dispose.call(this)},createEl:function createEl(){var a=document.createElement("div");a.setAttribute("id",this.options_.techId);a.setAttribute("style","width:100%;height:100%;top:0;left:0;position:absolute");a.setAttribute("class","vjs-tech");var b=document.createElement("div");b.appendChild(a);if(!e&&!this.options_.ytControls){var c=document.createElement("div");c.setAttribute("class","vjs-iframe-blocker");c.setAttribute("style","position:absolute;top:0;left:0;width:100%;height:100%");c.onclick=function(){this.pause()}.bind(this);b.appendChild(c)}return b},initYTPlayer:function initYTPlayer(){var a={controls:0,modestbranding:1,rel:0,showinfo:0,loop:this.options_.loop?1:0};if("undefined"!=typeof this.options_.autohide){a.autohide=this.options_.autohide}if("undefined"!=typeof this.options_.cc_load_policy){a.cc_load_policy=this.options_.cc_load_policy}if("undefined"!=typeof this.options_.ytControls){a.controls=this.options_.ytControls}if("undefined"!=typeof this.options_.disablekb){a.disablekb=this.options_.disablekb}if("undefined"!=typeof this.options_.color){a.color=this.options_.color}if(!a.controls){a.fs=0}else if("undefined"!=typeof this.options_.fs){a.fs=this.options_.fs}if(-1!==this.options_.source.src.indexOf("end=")){var b=this.options_.source.src.match(/end=([0-9]*)/);this.options_.end=parseInt(b[1])}if("undefined"!=typeof this.options_.end){a.end=this.options_.end}if("undefined"!=typeof this.options_.hl){a.hl=this.options_.hl}else if("undefined"!=typeof this.options_.language){a.hl=this.options_.language.substr(0,2)}if("undefined"!=typeof this.options_.iv_load_policy){a.iv_load_policy=this.options_.iv_load_policy}if("undefined"!=typeof this.options_.list){a.list=this.options_.list}else if(this.url&&"undefined"!=typeof this.url.listId){a.list=this.url.listId}if("undefined"!=typeof this.options_.listType){a.listType=this.options_.listType}if("undefined"!=typeof this.options_.modestbranding){a.modestbranding=this.options_.modestbranding}if("undefined"!=typeof this.options_.playlist){a.playlist=this.options_.playlist}if("undefined"!=typeof this.options_.playsinline){a.playsinline=this.options_.playsinline}if("undefined"!=typeof this.options_.rel){a.rel=this.options_.rel}if("undefined"!=typeof this.options_.showinfo){a.showinfo=this.options_.showinfo}if(-1!==this.options_.source.src.indexOf("start=")){var c=this.options_.source.src.match(/start=([0-9]*)/);this.options_.start=parseInt(c[1])}if("undefined"!=typeof this.options_.start){a.start=this.options_.start}if("undefined"!=typeof this.options_.theme){a.theme=this.options_.theme}if("undefined"!=typeof this.options_.customVars){var d=this.options_.customVars;Object.keys(d).forEach(function(b){a[b]=d[b]})}this.activeVideoId=this.url?this.url.videoId:null;this.activeList=a.list;var e={videoId:this.activeVideoId,playerVars:a,events:{onReady:this.onPlayerReady.bind(this),onPlaybackQualityChange:this.onPlayerPlaybackQualityChange.bind(this),onPlaybackRateChange:this.onPlayerPlaybackRateChange.bind(this),onStateChange:this.onPlayerStateChange.bind(this),onVolumeChange:this.onPlayerVolumeChange.bind(this),onError:this.onPlayerError.bind(this)}};if("undefined"!=typeof this.options_.enablePrivacyEnhancedMode&&this.options_.enablePrivacyEnhancedMode){e.host="https://www.youtube-nocookie.com"}this.ytPlayer=new YT.Player(this.options_.techId,e)},onPlayerReady:function onPlayerReady(){if(this.options_.muted){this.ytPlayer.mute()}var a=this.ytPlayer.getAvailablePlaybackRates();if(1<a.length){this.featuresPlaybackRate=!0}this.playerReady_=!0;this.triggerReady();if(this.playOnReady){this.play()}else if(this.cueOnReady){this.cueVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}},onPlayerPlaybackQualityChange:function onPlayerPlaybackQualityChange(){},onPlayerPlaybackRateChange:function onPlayerPlaybackRateChange(){this.trigger("ratechange")},onPlayerStateChange:function onPlayerStateChange(a){var b=a.data;if(b===this.lastState||this.errorNumber){return}this.lastState=b;switch(b){case-1:this.trigger("loadstart");this.trigger("loadedmetadata");this.trigger("durationchange");this.trigger("ratechange");break;case YT.PlayerState.ENDED:this.trigger("ended");break;case YT.PlayerState.PLAYING:this.trigger("timeupdate");this.trigger("durationchange");this.trigger("playing");this.trigger("play");if(this.isSeeking){this.onSeeked()}break;case YT.PlayerState.PAUSED:this.trigger("canplay");if(this.isSeeking){this.onSeeked()}else{this.trigger("pause")}break;case YT.PlayerState.BUFFERING:this.player_.trigger("timeupdate");this.player_.trigger("waiting");break;}},onPlayerVolumeChange:function onPlayerVolumeChange(){this.trigger("volumechange")},onPlayerError:function onPlayerError(a){this.errorNumber=a.data;this.trigger("pause");this.trigger("error")},error:function error(){var a=1e3+this.errorNumber;switch(this.errorNumber){case 5:return{code:a,message:"Error while trying to play the video"};case 2:case 100:return{code:a,message:"Unable to find the video"};case 101:case 150:return{code:a,message:"Playback on other Websites has been disabled by the video owner."};}return{code:a,message:"YouTube unknown error ("+this.errorNumber+")"}},loadVideoById_:function loadVideoById_(a){var b={videoId:a};if(this.options_.start){b.startSeconds=this.options_.start}if(this.options_.end){b.endSeconds=this.options_.end}this.ytPlayer.loadVideoById(b)},cueVideoById_:function cueVideoById_(a){var b={videoId:a};if(this.options_.start){b.startSeconds=this.options_.start}if(this.options_.end){b.endSeconds=this.options_.end}this.ytPlayer.cueVideoById(b)},src:function src(a){if(a){this.setSrc({src:a})}return this.source},poster:function poster(){if(e){return null}return this.poster_},setPoster:function setPoster(a){this.poster_=a},setSrc:function setSrc(a){if(!a||!a.src){return}delete this.errorNumber;this.source=a;this.url=g.parseUrl(a.src);if(!this.options_.poster){if(this.url.videoId){this.poster_="https://img.youtube.com/vi/"+this.url.videoId+"/0.jpg";this.trigger("posterchange");this.checkHighResPoster()}}if(this.options_.autoplay&&!e){if(this.isReady_){this.play()}else{this.playOnReady=!0}}else if(this.activeVideoId!==this.url.videoId){if(this.isReady_){this.cueVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}else{this.cueOnReady=!0}}},autoplay:function autoplay(){return this.options_.autoplay},setAutoplay:function setAutoplay(a){this.options_.autoplay=a},loop:function loop(){return this.options_.loop},setLoop:function setLoop(a){this.options_.loop=a},play:function play(){if(!this.url||!this.url.videoId){return}this.wasPausedBeforeSeek=!1;if(this.isReady_){if(this.url.listId){if(this.activeList===this.url.listId){this.ytPlayer.playVideo()}else{this.ytPlayer.loadPlaylist(this.url.listId);this.activeList=this.url.listId}}if(this.activeVideoId===this.url.videoId){this.ytPlayer.playVideo()}else{this.loadVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}}else{this.trigger("waiting");this.playOnReady=!0}},pause:function pause(){if(this.ytPlayer){this.ytPlayer.pauseVideo()}},paused:function paused(){return this.ytPlayer?this.lastState!==YT.PlayerState.PLAYING&&this.lastState!==YT.PlayerState.BUFFERING:!0},currentTime:function currentTime(){return this.ytPlayer?this.ytPlayer.getCurrentTime():0},setCurrentTime:function setCurrentTime(a){if(this.lastState===YT.PlayerState.PAUSED){this.timeBeforeSeek=this.currentTime()}if(!this.isSeeking){this.wasPausedBeforeSeek=this.paused()}this.ytPlayer.seekTo(a,!0);this.trigger("timeupdate");this.trigger("seeking");this.isSeeking=!0;if(this.lastState===YT.PlayerState.PAUSED&&this.timeBeforeSeek!==a){clearInterval(this.checkSeekedInPauseInterval);this.checkSeekedInPauseInterval=setInterval(function(){if(this.lastState!==YT.PlayerState.PAUSED||!this.isSeeking){clearInterval(this.checkSeekedInPauseInterval)}else if(this.currentTime()!==this.timeBeforeSeek){this.trigger("timeupdate");this.onSeeked()}}.bind(this),250)}},seeking:function seeking(){return this.isSeeking},seekable:function seekable(){if(!this.ytPlayer){return a.createTimeRange()}return a.createTimeRange(0,this.ytPlayer.getDuration())},onSeeked:function onSeeked(){clearInterval(this.checkSeekedInPauseInterval);this.isSeeking=!1;if(this.wasPausedBeforeSeek){this.pause()}this.trigger("seeked")},playbackRate:function playbackRate(){return this.ytPlayer?this.ytPlayer.getPlaybackRate():1},setPlaybackRate:function setPlaybackRate(a){if(!this.ytPlayer){return}this.ytPlayer.setPlaybackRate(a)},duration:function duration(){return this.ytPlayer?this.ytPlayer.getDuration():0},currentSrc:function currentSrc(){return this.source&&this.source.src},ended:function ended(){return this.ytPlayer?this.lastState===YT.PlayerState.ENDED:!1},volume:function volume(){return this.ytPlayer?this.ytPlayer.getVolume()/100:1},setVolume:function setVolume(a){if(!this.ytPlayer){return}this.ytPlayer.setVolume(100*a)},muted:function muted(){return this.ytPlayer?this.ytPlayer.isMuted():!1},setMuted:function setMuted(a){if(!this.ytPlayer){return}else{this.muted(!0)}if(a){this.ytPlayer.mute()}else{this.ytPlayer.unMute()}this.setTimeout(function(){this.trigger("volumechange")},50)},buffered:function buffered(){if(!this.ytPlayer||!this.ytPlayer.getVideoLoadedFraction){return a.createTimeRange()}var b=this.ytPlayer.getVideoLoadedFraction()*this.ytPlayer.getDuration();return a.createTimeRange(0,b)},preload:function preload(){},load:function load(){},reset:function reset(){},networkState:function networkState(){if(!this.ytPlayer){return 0}switch(this.ytPlayer.getPlayerState()){case-1:return 0;case 3:return 2;default:return 1;}},readyState:function readyState(){if(!this.ytPlayer){return 0}switch(this.ytPlayer.getPlayerState()){case-1:return 0;case 5:return 1;case 3:return 2;default:return 4;}},supportsFullScreen:function supportsFullScreen(){return document.fullscreenEnabled||document.webkitFullscreenEnabled||document.mozFullScreenEnabled||document.msFullscreenEnabled},checkHighResPoster:function checkHighResPoster(){var a="https://img.youtube.com/vi/"+this.url.videoId+"/maxresdefault.jpg";try{var b=new Image;b.onload=function(){if("naturalHeight"in b){if(90>=b.naturalHeight||120>=b.naturalWidth){return}}else if(90>=b.height||120>=b.width){return}this.poster_=a;this.trigger("posterchange")}.bind(this);b.onerror=function(){};b.src=a}catch(a){}}});g.isSupported=function(){return!0};g.canPlaySource=function(a){return g.canPlayType(a.type)};g.canPlayType=function(a){return"video/youtube"===a};g.parseUrl=function(a){var b={videoId:null},c=a.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);if(c&&11===c[2].length){b.videoId=c[2]}c=a.match(/[?&]list=([^#\&\?]+)/);if(c&&c[1]){b.listId=c[1]}return b};function b(){YT.ready(function(){g.isApiReady=!0;for(var a=0;a<g.apiReadyQueue.length;++a){g.apiReadyQueue[a].initYTPlayer()}})}function c(a,b){var c=!1,d=document.createElement("script"),e=document.getElementsByTagName("script")[0];if(!e){return}e.parentNode.insertBefore(d,e);d.onload=function(){if(!c){c=!0;b()}};d.onreadystatechange=function(){if(!c&&("complete"===this.readyState||"loaded"===this.readyState)){c=!0;b()}};d.src=a}function d(){var a=document.head||document.getElementsByTagName("head")[0],b=document.createElement("style");b.type="text/css";if(b.styleSheet){b.styleSheet.cssText=".vjs-youtube .vjs-iframe-blocker { display: none; }.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }.vjs-youtube .vjs-poster { background-size: cover; }.vjs-youtube-mobile .vjs-big-play-button { display: none; }"}else{b.appendChild(document.createTextNode(".vjs-youtube .vjs-iframe-blocker { display: none; }.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }.vjs-youtube .vjs-poster { background-size: cover; }.vjs-youtube-mobile .vjs-big-play-button { display: none; }"))}a.appendChild(b)}g.apiReadyQueue=[];if("undefined"!=typeof document){c("https://www.youtube.com/iframe_api",b);d()}if("undefined"!=typeof a.registerTech){a.registerTech("Youtube",g)}else{a.registerComponent("Youtube",g)}});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}(function(a,b){if("object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module){var c=require("video.js");module.exports=b(c.default||c)}else if("function"==typeof define&&define.amd){define ("media_videojs/Youtube-lazy",["media_videojs/video-lazy"],function(c){return a.Youtube=b(c)})}else{a.Youtube=b(a.videojs)}})(this,function(a){"use strict";var b=a.browser.IS_IOS||a.browser.IS_NATIVE_ANDROID,c=a.getTech("Tech"),d=a.extend(c,{constructor:function constructor(a,e){c.call(this,a,e);this.setPoster(a.poster);this.setSrc(this.options_.source,!0);this.setTimeout(function(){if(this.el_){this.el_.parentNode.className+=" vjs-youtube";if(b){this.el_.parentNode.className+=" vjs-youtube-mobile"}if(d.isApiReady){this.initYTPlayer()}else{d.apiReadyQueue.push(this)}}}.bind(this))},dispose:function dispose(){if(this.ytPlayer){if(this.ytPlayer.stopVideo){this.ytPlayer.stopVideo()}if(this.ytPlayer.destroy){this.ytPlayer.destroy()}}else{var a=d.apiReadyQueue.indexOf(this);if(-1!==a){d.apiReadyQueue.splice(a,1)}}this.ytPlayer=null;this.el_.parentNode.className=this.el_.parentNode.className.replace(" vjs-youtube","").replace(" vjs-youtube-mobile","");this.el_.parentNode.removeChild(this.el_);c.prototype.dispose.call(this)},createEl:function createEl(){var a=document.createElement("div");a.setAttribute("id",this.options_.techId);a.setAttribute("style","width:100%;height:100%;top:0;left:0;position:absolute");a.setAttribute("class","vjs-tech");var c=document.createElement("div");c.appendChild(a);if(!b&&!this.options_.ytControls){var d=document.createElement("div");d.setAttribute("class","vjs-iframe-blocker");d.setAttribute("style","position:absolute;top:0;left:0;width:100%;height:100%");d.onclick=function(){this.pause()}.bind(this);c.appendChild(d)}return c},initYTPlayer:function initYTPlayer(){var a={controls:0,modestbranding:1,rel:0,showinfo:0,loop:this.options_.loop?1:0};if("undefined"!=typeof this.options_.autohide){a.autohide=this.options_.autohide}if("undefined"!=typeof this.options_.cc_load_policy){a.cc_load_policy=this.options_.cc_load_policy}if("undefined"!=typeof this.options_.ytControls){a.controls=this.options_.ytControls}if("undefined"!=typeof this.options_.disablekb){a.disablekb=this.options_.disablekb}if("undefined"!=typeof this.options_.color){a.color=this.options_.color}if(!a.controls){a.fs=0}else if("undefined"!=typeof this.options_.fs){a.fs=this.options_.fs}if(-1!==this.options_.source.src.indexOf("end=")){var b=this.options_.source.src.match(/end=([0-9]*)/);this.options_.end=parseInt(b[1])}if("undefined"!=typeof this.options_.end){a.end=this.options_.end}if("undefined"!=typeof this.options_.hl){a.hl=this.options_.hl}else if("undefined"!=typeof this.options_.language){a.hl=this.options_.language.substr(0,2)}if("undefined"!=typeof this.options_.iv_load_policy){a.iv_load_policy=this.options_.iv_load_policy}if("undefined"!=typeof this.options_.list){a.list=this.options_.list}else if(this.url&&"undefined"!=typeof this.url.listId){a.list=this.url.listId}if("undefined"!=typeof this.options_.listType){a.listType=this.options_.listType}if("undefined"!=typeof this.options_.modestbranding){a.modestbranding=this.options_.modestbranding}if("undefined"!=typeof this.options_.playlist){a.playlist=this.options_.playlist}if("undefined"!=typeof this.options_.playsinline){a.playsinline=this.options_.playsinline}if("undefined"!=typeof this.options_.rel){a.rel=this.options_.rel}if("undefined"!=typeof this.options_.showinfo){a.showinfo=this.options_.showinfo}if(-1!==this.options_.source.src.indexOf("start=")){var c=this.options_.source.src.match(/start=([0-9]*)/);this.options_.start=parseInt(c[1])}if("undefined"!=typeof this.options_.start){a.start=this.options_.start}if("undefined"!=typeof this.options_.theme){a.theme=this.options_.theme}if("undefined"!=typeof this.options_.customVars){var d=this.options_.customVars;Object.keys(d).forEach(function(b){a[b]=d[b]})}this.activeVideoId=this.url?this.url.videoId:null;this.activeList=a.list;var e={videoId:this.activeVideoId,playerVars:a,events:{onReady:this.onPlayerReady.bind(this),onPlaybackQualityChange:this.onPlayerPlaybackQualityChange.bind(this),onPlaybackRateChange:this.onPlayerPlaybackRateChange.bind(this),onStateChange:this.onPlayerStateChange.bind(this),onVolumeChange:this.onPlayerVolumeChange.bind(this),onError:this.onPlayerError.bind(this)}};if("undefined"!=typeof this.options_.enablePrivacyEnhancedMode&&this.options_.enablePrivacyEnhancedMode){e.host="https://www.youtube-nocookie.com"}this.ytPlayer=new YT.Player(this.options_.techId,e)},onPlayerReady:function onPlayerReady(){if(this.options_.muted){this.ytPlayer.mute()}var a=this.ytPlayer.getAvailablePlaybackRates();if(1<a.length){this.featuresPlaybackRate=!0}this.playerReady_=!0;this.triggerReady();if(this.playOnReady){this.play()}else if(this.cueOnReady){this.cueVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}},onPlayerPlaybackQualityChange:function onPlayerPlaybackQualityChange(){},onPlayerPlaybackRateChange:function onPlayerPlaybackRateChange(){this.trigger("ratechange")},onPlayerStateChange:function onPlayerStateChange(a){var b=a.data;if(b===this.lastState||this.errorNumber){return}this.lastState=b;switch(b){case-1:this.trigger("loadstart");this.trigger("loadedmetadata");this.trigger("durationchange");this.trigger("ratechange");break;case YT.PlayerState.ENDED:this.trigger("ended");break;case YT.PlayerState.PLAYING:this.trigger("timeupdate");this.trigger("durationchange");this.trigger("playing");this.trigger("play");if(this.isSeeking){this.onSeeked()}break;case YT.PlayerState.PAUSED:this.trigger("canplay");if(this.isSeeking){this.onSeeked()}else{this.trigger("pause")}break;case YT.PlayerState.BUFFERING:this.player_.trigger("timeupdate");this.player_.trigger("waiting");break;}},onPlayerVolumeChange:function onPlayerVolumeChange(){this.trigger("volumechange")},onPlayerError:function onPlayerError(a){this.errorNumber=a.data;this.trigger("pause");this.trigger("error")},error:function error(){var a=1e3+this.errorNumber;switch(this.errorNumber){case 5:return{code:a,message:"Error while trying to play the video"};case 2:case 100:return{code:a,message:"Unable to find the video"};case 101:case 150:return{code:a,message:"Playback on other Websites has been disabled by the video owner."};}return{code:a,message:"YouTube unknown error ("+this.errorNumber+")"}},loadVideoById_:function loadVideoById_(a){var b={videoId:a};if(this.options_.start){b.startSeconds=this.options_.start}if(this.options_.end){b.endSeconds=this.options_.end}this.ytPlayer.loadVideoById(b)},cueVideoById_:function cueVideoById_(a){var b={videoId:a};if(this.options_.start){b.startSeconds=this.options_.start}if(this.options_.end){b.endSeconds=this.options_.end}this.ytPlayer.cueVideoById(b)},src:function src(a){if(a){this.setSrc({src:a})}return this.source},poster:function poster(){if(b){return null}return this.poster_},setPoster:function setPoster(a){this.poster_=a},setSrc:function setSrc(a){if(!a||!a.src){return}delete this.errorNumber;this.source=a;this.url=d.parseUrl(a.src);if(!this.options_.poster){if(this.url.videoId){this.poster_="https://img.youtube.com/vi/"+this.url.videoId+"/0.jpg";this.trigger("posterchange");this.checkHighResPoster()}}if(this.options_.autoplay&&!b){if(this.isReady_){this.play()}else{this.playOnReady=!0}}else if(this.activeVideoId!==this.url.videoId){if(this.isReady_){this.cueVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}else{this.cueOnReady=!0}}},autoplay:function autoplay(){return this.options_.autoplay},setAutoplay:function setAutoplay(a){this.options_.autoplay=a},loop:function loop(){return this.options_.loop},setLoop:function setLoop(a){this.options_.loop=a},play:function play(){if(!this.url||!this.url.videoId){return}this.wasPausedBeforeSeek=!1;if(this.isReady_){if(this.url.listId){if(this.activeList===this.url.listId){this.ytPlayer.playVideo()}else{this.ytPlayer.loadPlaylist(this.url.listId);this.activeList=this.url.listId}}if(this.activeVideoId===this.url.videoId){this.ytPlayer.playVideo()}else{this.loadVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}}else{this.trigger("waiting");this.playOnReady=!0}},pause:function pause(){if(this.ytPlayer){this.ytPlayer.pauseVideo()}},paused:function paused(){return this.ytPlayer?this.lastState!==YT.PlayerState.PLAYING&&this.lastState!==YT.PlayerState.BUFFERING:!0},currentTime:function currentTime(){return this.ytPlayer?this.ytPlayer.getCurrentTime():0},setCurrentTime:function setCurrentTime(a){if(this.lastState===YT.PlayerState.PAUSED){this.timeBeforeSeek=this.currentTime()}if(!this.isSeeking){this.wasPausedBeforeSeek=this.paused()}this.ytPlayer.seekTo(a,!0);this.trigger("timeupdate");this.trigger("seeking");this.isSeeking=!0;if(this.lastState===YT.PlayerState.PAUSED&&this.timeBeforeSeek!==a){clearInterval(this.checkSeekedInPauseInterval);this.checkSeekedInPauseInterval=setInterval(function(){if(this.lastState!==YT.PlayerState.PAUSED||!this.isSeeking){clearInterval(this.checkSeekedInPauseInterval)}else if(this.currentTime()!==this.timeBeforeSeek){this.trigger("timeupdate");this.onSeeked()}}.bind(this),250)}},seeking:function seeking(){return this.isSeeking},seekable:function seekable(){if(!this.ytPlayer){return a.createTimeRange()}return a.createTimeRange(0,this.ytPlayer.getDuration())},onSeeked:function onSeeked(){clearInterval(this.checkSeekedInPauseInterval);this.isSeeking=!1;if(this.wasPausedBeforeSeek){this.pause()}this.trigger("seeked")},playbackRate:function playbackRate(){return this.ytPlayer?this.ytPlayer.getPlaybackRate():1},setPlaybackRate:function setPlaybackRate(a){if(!this.ytPlayer){return}this.ytPlayer.setPlaybackRate(a)},duration:function duration(){return this.ytPlayer?this.ytPlayer.getDuration():0},currentSrc:function currentSrc(){return this.source&&this.source.src},ended:function ended(){return this.ytPlayer?this.lastState===YT.PlayerState.ENDED:!1},volume:function volume(){return this.ytPlayer?this.ytPlayer.getVolume()/100:1},setVolume:function setVolume(a){if(!this.ytPlayer){return}this.ytPlayer.setVolume(100*a)},muted:function muted(){return this.ytPlayer?this.ytPlayer.isMuted():!1},setMuted:function setMuted(a){if(!this.ytPlayer){return}else{this.muted(!0)}if(a){this.ytPlayer.mute()}else{this.ytPlayer.unMute()}this.setTimeout(function(){this.trigger("volumechange")},50)},buffered:function buffered(){if(!this.ytPlayer||!this.ytPlayer.getVideoLoadedFraction){return a.createTimeRange()}var b=this.ytPlayer.getVideoLoadedFraction()*this.ytPlayer.getDuration();return a.createTimeRange(0,b)},preload:function preload(){},load:function load(){},reset:function reset(){},networkState:function networkState(){if(!this.ytPlayer){return 0}switch(this.ytPlayer.getPlayerState()){case-1:return 0;case 3:return 2;default:return 1;}},readyState:function readyState(){if(!this.ytPlayer){return 0}switch(this.ytPlayer.getPlayerState()){case-1:return 0;case 5:return 1;case 3:return 2;default:return 4;}},supportsFullScreen:function supportsFullScreen(){return document.fullscreenEnabled||document.webkitFullscreenEnabled||document.mozFullScreenEnabled||document.msFullscreenEnabled},checkHighResPoster:function checkHighResPoster(){var a="https://img.youtube.com/vi/"+this.url.videoId+"/maxresdefault.jpg";try{var b=new Image;b.onload=function(){if("naturalHeight"in b){if(90>=b.naturalHeight||120>=b.naturalWidth){return}}else if(90>=b.height||120>=b.width){return}this.poster_=a;this.trigger("posterchange")}.bind(this);b.onerror=function(){};b.src=a}catch(a){}}});d.isSupported=function(){return!0};d.canPlaySource=function(a){return d.canPlayType(a.type)};d.canPlayType=function(a){return"video/youtube"===a};d.parseUrl=function(a){var b={videoId:null},c=a.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);if(c&&11===c[2].length){b.videoId=c[2]}c=a.match(/[?&]list=([^#\&\?]+)/);if(c&&c[1]){b.listId=c[1]}return b};function e(){YT.ready(function(){d.isApiReady=!0;for(var a=0;a<d.apiReadyQueue.length;++a){d.apiReadyQueue[a].initYTPlayer()}})}function f(a,b){var c=!1,d=document.createElement("script"),e=document.getElementsByTagName("script")[0];if(!e){return}e.parentNode.insertBefore(d,e);d.onload=function(){if(!c){c=!0;b()}};d.onreadystatechange=function(){if(!c&&("complete"===this.readyState||"loaded"===this.readyState)){c=!0;b()}};d.src=a}function g(){var a=document.head||document.getElementsByTagName("head")[0],b=document.createElement("style");b.type="text/css";if(b.styleSheet){b.styleSheet.cssText=".vjs-youtube .vjs-iframe-blocker { display: none; }.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }.vjs-youtube .vjs-poster { background-size: cover; }.vjs-youtube-mobile .vjs-big-play-button { display: none; }"}else{b.appendChild(document.createTextNode(".vjs-youtube .vjs-iframe-blocker { display: none; }.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }.vjs-youtube .vjs-poster { background-size: cover; }.vjs-youtube-mobile .vjs-big-play-button { display: none; }"))}a.appendChild(b)}d.apiReadyQueue=[];if("undefined"!=typeof document){f("https://www.youtube.com/iframe_api",e);g()}if("undefined"!=typeof a.registerTech){a.registerTech("Youtube",d)}else{a.registerComponent("Youtube",d)}});
 //# sourceMappingURL=Youtube-lazy.min.js.map
diff --git a/media/player/videojs/amd/build/Youtube-lazy.min.js.map b/media/player/videojs/amd/build/Youtube-lazy.min.js.map
index 5120d1a38f2..5906c0f807f 100644
--- a/media/player/videojs/amd/build/Youtube-lazy.min.js.map
+++ b/media/player/videojs/amd/build/Youtube-lazy.min.js.map
@@ -1 +1 @@
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The MIT License (MIT)\n\nCopyright (c) 2014-2015 Benoit Tremblay <trembl.ben@gmail.com>\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE. */\n/*global define, YT*/\n(function (root, factory) {\n  if(typeof exports==='object' && typeof module!=='undefined') {\n    var videojs = require('video.js');\n    module.exports = factory(videojs.default || videojs);\n  } else if(typeof define === 'function' && define.amd) {\n    define(['media_videojs/video-lazy'], function(videojs){\n      return (root.Youtube = factory(videojs));\n    });\n  } else {\n    root.Youtube = factory(root.videojs);\n  }\n}(this, function(videojs) {\n  'use strict';\n\n  var _isOnMobile = videojs.browser.IS_IOS || videojs.browser.IS_NATIVE_ANDROID;\n  var Tech = videojs.getTech('Tech');\n\n  var Youtube = videojs.extend(Tech, {\n\n    constructor: function(options, ready) {\n      Tech.call(this, options, ready);\n\n      this.setPoster(options.poster);\n      this.setSrc(this.options_.source, true);\n\n      // Set the vjs-youtube class to the player\n      // Parent is not set yet so we have to wait a tick\n      this.setTimeout(function() {\n        if (this.el_) {\n          this.el_.parentNode.className += ' vjs-youtube';\n\n          if (_isOnMobile) {\n            this.el_.parentNode.className += ' vjs-youtube-mobile';\n          }\n\n          if (Youtube.isApiReady) {\n            this.initYTPlayer();\n          } else {\n            Youtube.apiReadyQueue.push(this);\n          }\n        }\n      }.bind(this));\n    },\n\n    dispose: function() {\n      if (this.ytPlayer) {\n        //Dispose of the YouTube Player\n        if (this.ytPlayer.stopVideo) {\n          this.ytPlayer.stopVideo();\n        }\n        if (this.ytPlayer.destroy) {\n          this.ytPlayer.destroy();\n        }\n      } else {\n        //YouTube API hasn't finished loading or the player is already disposed\n        var index = Youtube.apiReadyQueue.indexOf(this);\n        if (index !== -1) {\n          Youtube.apiReadyQueue.splice(index, 1);\n        }\n      }\n      this.ytPlayer = null;\n\n      this.el_.parentNode.className = this.el_.parentNode.className\n        .replace(' vjs-youtube', '')\n        .replace(' vjs-youtube-mobile', '');\n      this.el_.parentNode.removeChild(this.el_);\n\n      //Needs to be called after the YouTube player is destroyed, otherwise there will be a null reference exception\n      Tech.prototype.dispose.call(this);\n    },\n\n    createEl: function() {\n      var div = document.createElement('div');\n      div.setAttribute('id', this.options_.techId);\n      div.setAttribute('style', 'width:100%;height:100%;top:0;left:0;position:absolute');\n      div.setAttribute('class', 'vjs-tech');\n\n      var divWrapper = document.createElement('div');\n      divWrapper.appendChild(div);\n\n      if (!_isOnMobile && !this.options_.ytControls) {\n        var divBlocker = document.createElement('div');\n        divBlocker.setAttribute('class', 'vjs-iframe-blocker');\n        divBlocker.setAttribute('style', 'position:absolute;top:0;left:0;width:100%;height:100%');\n\n        // In case the blocker is still there and we want to pause\n        divBlocker.onclick = function() {\n          this.pause();\n        }.bind(this);\n\n        divWrapper.appendChild(divBlocker);\n      }\n\n      return divWrapper;\n    },\n\n    initYTPlayer: function() {\n      var playerVars = {\n        controls: 0,\n        modestbranding: 1,\n        rel: 0,\n        showinfo: 0,\n        loop: this.options_.loop ? 1 : 0\n      };\n\n      // Let the user set any YouTube parameter\n      // https://developers.google.com/youtube/player_parameters?playerVersion=HTML5#Parameters\n      // To use YouTube controls, you must use ytControls instead\n      // To use the loop or autoplay, use the video.js settings\n\n      if (typeof this.options_.autohide !== 'undefined') {\n        playerVars.autohide = this.options_.autohide;\n      }\n\n      if (typeof this.options_['cc_load_policy'] !== 'undefined') {\n        playerVars['cc_load_policy'] = this.options_['cc_load_policy'];\n      }\n\n      if (typeof this.options_.ytControls !== 'undefined') {\n        playerVars.controls = this.options_.ytControls;\n      }\n\n      if (typeof this.options_.disablekb !== 'undefined') {\n        playerVars.disablekb = this.options_.disablekb;\n      }\n\n      if (typeof this.options_.color !== 'undefined') {\n        playerVars.color = this.options_.color;\n      }\n\n      if (!playerVars.controls) {\n        // Let video.js handle the fullscreen unless it is the YouTube native controls\n        playerVars.fs = 0;\n      } else if (typeof this.options_.fs !== 'undefined') {\n        playerVars.fs = this.options_.fs;\n      }\n\n      if (this.options_.source.src.indexOf('end=') !== -1) {\n        var srcEndTime = this.options_.source.src.match(/end=([0-9]*)/);\n        this.options_.end = parseInt(srcEndTime[1]);\n      }\n\n      if (typeof this.options_.end !== 'undefined') {\n        playerVars.end = this.options_.end;\n      }\n\n      if (typeof this.options_.hl !== 'undefined') {\n        playerVars.hl = this.options_.hl;\n      } else if (typeof this.options_.language !== 'undefined') {\n        // Set the YouTube player on the same language than video.js\n        playerVars.hl = this.options_.language.substr(0, 2);\n      }\n\n      if (typeof this.options_['iv_load_policy'] !== 'undefined') {\n        playerVars['iv_load_policy'] = this.options_['iv_load_policy'];\n      }\n\n      if (typeof this.options_.list !== 'undefined') {\n        playerVars.list = this.options_.list;\n      } else if (this.url && typeof this.url.listId !== 'undefined') {\n        playerVars.list = this.url.listId;\n      }\n\n      if (typeof this.options_.listType !== 'undefined') {\n        playerVars.listType = this.options_.listType;\n      }\n\n      if (typeof this.options_.modestbranding !== 'undefined') {\n        playerVars.modestbranding = this.options_.modestbranding;\n      }\n\n      if (typeof this.options_.playlist !== 'undefined') {\n        playerVars.playlist = this.options_.playlist;\n      }\n\n      if (typeof this.options_.playsinline !== 'undefined') {\n        playerVars.playsinline = this.options_.playsinline;\n      }\n\n      if (typeof this.options_.rel !== 'undefined') {\n        playerVars.rel = this.options_.rel;\n      }\n\n      if (typeof this.options_.showinfo !== 'undefined') {\n        playerVars.showinfo = this.options_.showinfo;\n      }\n\n      if (this.options_.source.src.indexOf('start=') !== -1) {\n        var srcStartTime = this.options_.source.src.match(/start=([0-9]*)/);\n        this.options_.start = parseInt(srcStartTime[1]);\n      }\n\n      if (typeof this.options_.start !== 'undefined') {\n        playerVars.start = this.options_.start;\n      }\n\n      if (typeof this.options_.theme !== 'undefined') {\n        playerVars.theme = this.options_.theme;\n      }\n\n      // Allow undocumented options to be passed along via customVars\n      if (typeof this.options_.customVars !== 'undefined') {\n        var customVars = this.options_.customVars;\n        Object.keys(customVars).forEach(function(key) {\n          playerVars[key] = customVars[key];\n        });\n      }\n\n      this.activeVideoId = this.url ? this.url.videoId : null;\n      this.activeList = playerVars.list;\n\n      var playerConfig = {\n        videoId: this.activeVideoId,\n        playerVars: playerVars,\n        events: {\n          onReady: this.onPlayerReady.bind(this),\n          onPlaybackQualityChange: this.onPlayerPlaybackQualityChange.bind(this),\n          onPlaybackRateChange: this.onPlayerPlaybackRateChange.bind(this),\n          onStateChange: this.onPlayerStateChange.bind(this),\n          onVolumeChange: this.onPlayerVolumeChange.bind(this),\n          onError: this.onPlayerError.bind(this)\n        }\n      };\n\n      if (typeof this.options_.enablePrivacyEnhancedMode !== 'undefined' && this.options_.enablePrivacyEnhancedMode) {\n        playerConfig.host = 'https://www.youtube-nocookie.com';\n      }\n\n      this.ytPlayer = new YT.Player(this.options_.techId, playerConfig);\n    },\n\n    onPlayerReady: function() {\n      if (this.options_.muted) {\n        this.ytPlayer.mute();\n      }\n\n      var playbackRates = this.ytPlayer.getAvailablePlaybackRates();\n      if (playbackRates.length > 1) {\n        this.featuresPlaybackRate = true;\n      }\n\n      this.playerReady_ = true;\n      this.triggerReady();\n\n      if (this.playOnReady) {\n        this.play();\n      } else if (this.cueOnReady) {\n        this.cueVideoById_(this.url.videoId);\n        this.activeVideoId = this.url.videoId;\n      }\n    },\n\n    onPlayerPlaybackQualityChange: function() {\n\n    },\n\n    onPlayerPlaybackRateChange: function() {\n      this.trigger('ratechange');\n    },\n\n    onPlayerStateChange: function(e) {\n      var state = e.data;\n\n      if (state === this.lastState || this.errorNumber) {\n        return;\n      }\n\n      this.lastState = state;\n\n      switch (state) {\n        case -1:\n          this.trigger('loadstart');\n          this.trigger('loadedmetadata');\n          this.trigger('durationchange');\n          this.trigger('ratechange');\n          break;\n\n        case YT.PlayerState.ENDED:\n          this.trigger('ended');\n          break;\n\n        case YT.PlayerState.PLAYING:\n          this.trigger('timeupdate');\n          this.trigger('durationchange');\n          this.trigger('playing');\n          this.trigger('play');\n\n          if (this.isSeeking) {\n            this.onSeeked();\n          }\n          break;\n\n        case YT.PlayerState.PAUSED:\n          this.trigger('canplay');\n          if (this.isSeeking) {\n            this.onSeeked();\n          } else {\n            this.trigger('pause');\n          }\n          break;\n\n        case YT.PlayerState.BUFFERING:\n          this.player_.trigger('timeupdate');\n          this.player_.trigger('waiting');\n          break;\n      }\n    },\n\n    onPlayerVolumeChange: function() {\n      this.trigger('volumechange');\n    },\n\n    onPlayerError: function(e) {\n      this.errorNumber = e.data;\n      this.trigger('pause');\n      this.trigger('error');\n    },\n\n    error: function() {\n      var code = 1000 + this.errorNumber; // as smaller codes are reserved\n      switch (this.errorNumber) {\n        case 5:\n          return { code: code, message: 'Error while trying to play the video' };\n\n        case 2:\n        case 100:\n          return { code: code, message: 'Unable to find the video' };\n\n        case 101:\n        case 150:\n          return {\n            code: code,\n            message: 'Playback on other Websites has been disabled by the video owner.'\n          };\n      }\n\n      return { code: code, message: 'YouTube unknown error (' + this.errorNumber + ')' };\n    },\n\n    loadVideoById_: function(id) {\n      var options = {\n        videoId: id\n      };\n      if (this.options_.start) {\n        options.startSeconds = this.options_.start;\n      }\n      if (this.options_.end) {\n        options.endSeconds = this.options_.end;\n      }\n      this.ytPlayer.loadVideoById(options);\n    },\n\n    cueVideoById_: function(id) {\n      var options = {\n        videoId: id\n      };\n      if (this.options_.start) {\n        options.startSeconds = this.options_.start;\n      }\n      if (this.options_.end) {\n        options.endSeconds = this.options_.end;\n      }\n      this.ytPlayer.cueVideoById(options);\n    },\n\n    src: function(src) {\n      if (src) {\n        this.setSrc({ src: src });\n      }\n\n      return this.source;\n    },\n\n    poster: function() {\n      // You can't start programmaticlly a video with a mobile\n      // through the iframe so we hide the poster and the play button (with CSS)\n      if (_isOnMobile) {\n        return null;\n      }\n\n      return this.poster_;\n    },\n\n    setPoster: function(poster) {\n      this.poster_ = poster;\n    },\n\n    setSrc: function(source) {\n      if (!source || !source.src) {\n        return;\n      }\n\n      delete this.errorNumber;\n      this.source = source;\n      this.url = Youtube.parseUrl(source.src);\n\n      if (!this.options_.poster) {\n        if (this.url.videoId) {\n          // Set the low resolution first\n          this.poster_ = 'https://img.youtube.com/vi/' + this.url.videoId + '/0.jpg';\n          this.trigger('posterchange');\n\n          // Check if their is a high res\n          this.checkHighResPoster();\n        }\n      }\n\n      if (this.options_.autoplay && !_isOnMobile) {\n        if (this.isReady_) {\n          this.play();\n        } else {\n          this.playOnReady = true;\n        }\n      } else if (this.activeVideoId !== this.url.videoId) {\n        if (this.isReady_) {\n          this.cueVideoById_(this.url.videoId);\n          this.activeVideoId = this.url.videoId;\n        } else {\n          this.cueOnReady = true;\n        }\n      }\n    },\n\n    autoplay: function() {\n      return this.options_.autoplay;\n    },\n\n    setAutoplay: function(val) {\n      this.options_.autoplay = val;\n    },\n\n    loop: function() {\n      return this.options_.loop;\n    },\n\n    setLoop: function(val) {\n      this.options_.loop = val;\n    },\n\n    play: function() {\n      if (!this.url || !this.url.videoId) {\n        return;\n      }\n\n      this.wasPausedBeforeSeek = false;\n\n      if (this.isReady_) {\n        if (this.url.listId) {\n          if (this.activeList === this.url.listId) {\n            this.ytPlayer.playVideo();\n          } else {\n            this.ytPlayer.loadPlaylist(this.url.listId);\n            this.activeList = this.url.listId;\n          }\n        }\n\n        if (this.activeVideoId === this.url.videoId) {\n          this.ytPlayer.playVideo();\n        } else {\n          this.loadVideoById_(this.url.videoId);\n          this.activeVideoId = this.url.videoId;\n        }\n      } else {\n        this.trigger('waiting');\n        this.playOnReady = true;\n      }\n    },\n\n    pause: function() {\n      if (this.ytPlayer) {\n        this.ytPlayer.pauseVideo();\n      }\n    },\n\n    paused: function() {\n      return (this.ytPlayer) ?\n        (this.lastState !== YT.PlayerState.PLAYING && this.lastState !== YT.PlayerState.BUFFERING)\n        : true;\n    },\n\n    currentTime: function() {\n      return this.ytPlayer ? this.ytPlayer.getCurrentTime() : 0;\n    },\n\n    setCurrentTime: function(seconds) {\n      if (this.lastState === YT.PlayerState.PAUSED) {\n        this.timeBeforeSeek = this.currentTime();\n      }\n\n      if (!this.isSeeking) {\n        this.wasPausedBeforeSeek = this.paused();\n      }\n\n      this.ytPlayer.seekTo(seconds, true);\n      this.trigger('timeupdate');\n      this.trigger('seeking');\n      this.isSeeking = true;\n\n      // A seek event during pause does not return an event to trigger a seeked event,\n      // so run an interval timer to look for the currentTime to change\n      if (this.lastState === YT.PlayerState.PAUSED && this.timeBeforeSeek !== seconds) {\n        clearInterval(this.checkSeekedInPauseInterval);\n        this.checkSeekedInPauseInterval = setInterval(function() {\n          if (this.lastState !== YT.PlayerState.PAUSED || !this.isSeeking) {\n            // If something changed while we were waiting for the currentTime to change,\n            //  clear the interval timer\n            clearInterval(this.checkSeekedInPauseInterval);\n          } else if (this.currentTime() !== this.timeBeforeSeek) {\n            this.trigger('timeupdate');\n            this.onSeeked();\n          }\n        }.bind(this), 250);\n      }\n    },\n\n    seeking: function () {\n      return this.isSeeking;\n    },\n\n    seekable: function () {\n      if(!this.ytPlayer) {\n        return videojs.createTimeRange();\n      }\n\n      return videojs.createTimeRange(0, this.ytPlayer.getDuration());\n    },\n\n    onSeeked: function() {\n      clearInterval(this.checkSeekedInPauseInterval);\n      this.isSeeking = false;\n\n      if (this.wasPausedBeforeSeek) {\n        this.pause();\n      }\n\n      this.trigger('seeked');\n    },\n\n    playbackRate: function() {\n      return this.ytPlayer ? this.ytPlayer.getPlaybackRate() : 1;\n    },\n\n    setPlaybackRate: function(suggestedRate) {\n      if (!this.ytPlayer) {\n        return;\n      }\n\n      this.ytPlayer.setPlaybackRate(suggestedRate);\n    },\n\n    duration: function() {\n      return this.ytPlayer ? this.ytPlayer.getDuration() : 0;\n    },\n\n    currentSrc: function() {\n      return this.source && this.source.src;\n    },\n\n    ended: function() {\n      return this.ytPlayer ? (this.lastState === YT.PlayerState.ENDED) : false;\n    },\n\n    volume: function() {\n      return this.ytPlayer ? this.ytPlayer.getVolume() / 100.0 : 1;\n    },\n\n    setVolume: function(percentAsDecimal) {\n      if (!this.ytPlayer) {\n        return;\n      }\n\n      this.ytPlayer.setVolume(percentAsDecimal * 100.0);\n    },\n\n    muted: function() {\n      return this.ytPlayer ? this.ytPlayer.isMuted() : false;\n    },\n\n    setMuted: function(mute) {\n      if (!this.ytPlayer) {\n        return;\n      }\n      else{\n        this.muted(true);\n      }\n\n      if (mute) {\n        this.ytPlayer.mute();\n      } else {\n        this.ytPlayer.unMute();\n      }\n      this.setTimeout( function(){\n        this.trigger('volumechange');\n      }, 50);\n    },\n\n    buffered: function() {\n      if(!this.ytPlayer || !this.ytPlayer.getVideoLoadedFraction) {\n        return videojs.createTimeRange();\n      }\n\n      var bufferedEnd = this.ytPlayer.getVideoLoadedFraction() * this.ytPlayer.getDuration();\n\n      return videojs.createTimeRange(0, bufferedEnd);\n    },\n\n    // TODO: Can we really do something with this on YouTUbe?\n    preload: function() {},\n    load: function() {},\n    reset: function() {},\n    networkState: function () {\n      if (!this.ytPlayer) {\n        return 0; //NETWORK_EMPTY\n      }\n      switch (this.ytPlayer.getPlayerState()) {\n        case -1: //unstarted\n          return 0; //NETWORK_EMPTY\n        case 3: //buffering\n          return 2; //NETWORK_LOADING\n        default:\n          return 1; //NETWORK_IDLE\n      }\n    },\n    readyState: function () {\n      if (!this.ytPlayer) {\n        return 0; //HAVE_NOTHING\n      }\n      switch (this.ytPlayer.getPlayerState()) {\n        case -1: //unstarted\n          return 0; //HAVE_NOTHING\n        case 5: //video cued\n          return 1; //HAVE_METADATA\n        case 3: //buffering\n          return 2; //HAVE_CURRENT_DATA\n        default:\n          return 4; //HAVE_ENOUGH_DATA\n      }\n    },\n\n    supportsFullScreen: function() {\n      return document.fullscreenEnabled ||\n             document.webkitFullscreenEnabled ||\n             document.mozFullScreenEnabled ||\n             document.msFullscreenEnabled;\n    },\n\n    // Tries to get the highest resolution thumbnail available for the video\n    checkHighResPoster: function(){\n      var uri = 'https://img.youtube.com/vi/' + this.url.videoId + '/maxresdefault.jpg';\n\n      try {\n        var image = new Image();\n        image.onload = function(){\n          // Onload may still be called if YouTube returns the 120x90 error thumbnail\n          if('naturalHeight' in image){\n            if (image.naturalHeight <= 90 || image.naturalWidth <= 120) {\n              return;\n            }\n          } else if(image.height <= 90 || image.width <= 120) {\n            return;\n          }\n\n          this.poster_ = uri;\n          this.trigger('posterchange');\n        }.bind(this);\n        image.onerror = function(){};\n        image.src = uri;\n      }\n      catch(e){}\n    }\n  });\n\n  Youtube.isSupported = function() {\n    return true;\n  };\n\n  Youtube.canPlaySource = function(e) {\n    return Youtube.canPlayType(e.type);\n  };\n\n  Youtube.canPlayType = function(e) {\n    return (e === 'video/youtube');\n  };\n\n  Youtube.parseUrl = function(url) {\n    var result = {\n      videoId: null\n    };\n\n    var regex = /^.*(youtu.be\\/|v\\/|u\\/\\w\\/|embed\\/|watch\\?v=|\\&v=)([^#\\&\\?]*).*/;\n    var match = url.match(regex);\n\n    if (match && match[2].length === 11) {\n      result.videoId = match[2];\n    }\n\n    var regPlaylist = /[?&]list=([^#\\&\\?]+)/;\n    match = url.match(regPlaylist);\n\n    if(match && match[1]) {\n      result.listId = match[1];\n    }\n\n    return result;\n  };\n\n  function apiLoaded() {\n    YT.ready(function() {\n      Youtube.isApiReady = true;\n\n      for (var i = 0; i < Youtube.apiReadyQueue.length; ++i) {\n        Youtube.apiReadyQueue[i].initYTPlayer();\n      }\n    });\n  }\n\n  function loadScript(src, callback) {\n    var loaded = false;\n    var tag = document.createElement('script');\n    var firstScriptTag = document.getElementsByTagName('script')[0];\n    if (!firstScriptTag) {\n      // when loaded in jest without jsdom setup it doesn't get any element.\n      // In jest it doesn't really make sense to do anything, because no one is watching youtube in jest\n      return;\n    }\n    firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);\n    tag.onload = function () {\n      if (!loaded) {\n        loaded = true;\n        callback();\n      }\n    };\n    tag.onreadystatechange = function () {\n      if (!loaded && (this.readyState === 'complete' || this.readyState === 'loaded')) {\n        loaded = true;\n        callback();\n      }\n    };\n    tag.src = src;\n  }\n\n  function injectCss() {\n    var css = // iframe blocker to catch mouse events\n              '.vjs-youtube .vjs-iframe-blocker { display: none; }' +\n              '.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }' +\n              '.vjs-youtube .vjs-poster { background-size: cover; }' +\n              '.vjs-youtube-mobile .vjs-big-play-button { display: none; }';\n\n    var head = document.head || document.getElementsByTagName('head')[0];\n\n    var style = document.createElement('style');\n    style.type = 'text/css';\n\n    if (style.styleSheet){\n      style.styleSheet.cssText = css;\n    } else {\n      style.appendChild(document.createTextNode(css));\n    }\n\n    head.appendChild(style);\n  }\n\n  Youtube.apiReadyQueue = [];\n\n  if (typeof document !== 'undefined'){\n    loadScript('https://www.youtube.com/iframe_api', apiLoaded);\n    injectCss();\n  }\n\n  // Older versions of VJS5 doesn't have the registerTech function\n  if (typeof videojs.registerTech !== 'undefined') {\n    videojs.registerTech('Youtube', Youtube);\n  } else {\n    videojs.registerComponent('Youtube', Youtube);\n  }\n}));\n"],"file":"Youtube-lazy.min.js"}
\ No newline at end of file
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The MIT License (MIT)\n\nCopyright (c) 2014-2015 Benoit Tremblay <trembl.ben@gmail.com>\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE. */\n/*global define, YT*/\n(function (root, factory) {\n  if(typeof exports==='object' && typeof module!=='undefined') {\n    var videojs = require('video.js');\n    module.exports = factory(videojs.default || videojs);\n  } else if(typeof define === 'function' && define.amd) {\n    define(['media_videojs/video-lazy'], function(videojs){\n      return (root.Youtube = factory(videojs));\n    });\n  } else {\n    root.Youtube = factory(root.videojs);\n  }\n}(this, function(videojs) {\n  'use strict';\n\n  var _isOnMobile = videojs.browser.IS_IOS || videojs.browser.IS_NATIVE_ANDROID;\n  var Tech = videojs.getTech('Tech');\n\n  var Youtube = videojs.extend(Tech, {\n\n    constructor: function(options, ready) {\n      Tech.call(this, options, ready);\n\n      this.setPoster(options.poster);\n      this.setSrc(this.options_.source, true);\n\n      // Set the vjs-youtube class to the player\n      // Parent is not set yet so we have to wait a tick\n      this.setTimeout(function() {\n        if (this.el_) {\n          this.el_.parentNode.className += ' vjs-youtube';\n\n          if (_isOnMobile) {\n            this.el_.parentNode.className += ' vjs-youtube-mobile';\n          }\n\n          if (Youtube.isApiReady) {\n            this.initYTPlayer();\n          } else {\n            Youtube.apiReadyQueue.push(this);\n          }\n        }\n      }.bind(this));\n    },\n\n    dispose: function() {\n      if (this.ytPlayer) {\n        //Dispose of the YouTube Player\n        if (this.ytPlayer.stopVideo) {\n          this.ytPlayer.stopVideo();\n        }\n        if (this.ytPlayer.destroy) {\n          this.ytPlayer.destroy();\n        }\n      } else {\n        //YouTube API hasn't finished loading or the player is already disposed\n        var index = Youtube.apiReadyQueue.indexOf(this);\n        if (index !== -1) {\n          Youtube.apiReadyQueue.splice(index, 1);\n        }\n      }\n      this.ytPlayer = null;\n\n      this.el_.parentNode.className = this.el_.parentNode.className\n        .replace(' vjs-youtube', '')\n        .replace(' vjs-youtube-mobile', '');\n      this.el_.parentNode.removeChild(this.el_);\n\n      //Needs to be called after the YouTube player is destroyed, otherwise there will be a null reference exception\n      Tech.prototype.dispose.call(this);\n    },\n\n    createEl: function() {\n      var div = document.createElement('div');\n      div.setAttribute('id', this.options_.techId);\n      div.setAttribute('style', 'width:100%;height:100%;top:0;left:0;position:absolute');\n      div.setAttribute('class', 'vjs-tech');\n\n      var divWrapper = document.createElement('div');\n      divWrapper.appendChild(div);\n\n      if (!_isOnMobile && !this.options_.ytControls) {\n        var divBlocker = document.createElement('div');\n        divBlocker.setAttribute('class', 'vjs-iframe-blocker');\n        divBlocker.setAttribute('style', 'position:absolute;top:0;left:0;width:100%;height:100%');\n\n        // In case the blocker is still there and we want to pause\n        divBlocker.onclick = function() {\n          this.pause();\n        }.bind(this);\n\n        divWrapper.appendChild(divBlocker);\n      }\n\n      return divWrapper;\n    },\n\n    initYTPlayer: function() {\n      var playerVars = {\n        controls: 0,\n        modestbranding: 1,\n        rel: 0,\n        showinfo: 0,\n        loop: this.options_.loop ? 1 : 0\n      };\n\n      // Let the user set any YouTube parameter\n      // https://developers.google.com/youtube/player_parameters?playerVersion=HTML5#Parameters\n      // To use YouTube controls, you must use ytControls instead\n      // To use the loop or autoplay, use the video.js settings\n\n      if (typeof this.options_.autohide !== 'undefined') {\n        playerVars.autohide = this.options_.autohide;\n      }\n\n      if (typeof this.options_['cc_load_policy'] !== 'undefined') {\n        playerVars['cc_load_policy'] = this.options_['cc_load_policy'];\n      }\n\n      if (typeof this.options_.ytControls !== 'undefined') {\n        playerVars.controls = this.options_.ytControls;\n      }\n\n      if (typeof this.options_.disablekb !== 'undefined') {\n        playerVars.disablekb = this.options_.disablekb;\n      }\n\n      if (typeof this.options_.color !== 'undefined') {\n        playerVars.color = this.options_.color;\n      }\n\n      if (!playerVars.controls) {\n        // Let video.js handle the fullscreen unless it is the YouTube native controls\n        playerVars.fs = 0;\n      } else if (typeof this.options_.fs !== 'undefined') {\n        playerVars.fs = this.options_.fs;\n      }\n\n      if (this.options_.source.src.indexOf('end=') !== -1) {\n        var srcEndTime = this.options_.source.src.match(/end=([0-9]*)/);\n        this.options_.end = parseInt(srcEndTime[1]);\n      }\n\n      if (typeof this.options_.end !== 'undefined') {\n        playerVars.end = this.options_.end;\n      }\n\n      if (typeof this.options_.hl !== 'undefined') {\n        playerVars.hl = this.options_.hl;\n      } else if (typeof this.options_.language !== 'undefined') {\n        // Set the YouTube player on the same language than video.js\n        playerVars.hl = this.options_.language.substr(0, 2);\n      }\n\n      if (typeof this.options_['iv_load_policy'] !== 'undefined') {\n        playerVars['iv_load_policy'] = this.options_['iv_load_policy'];\n      }\n\n      if (typeof this.options_.list !== 'undefined') {\n        playerVars.list = this.options_.list;\n      } else if (this.url && typeof this.url.listId !== 'undefined') {\n        playerVars.list = this.url.listId;\n      }\n\n      if (typeof this.options_.listType !== 'undefined') {\n        playerVars.listType = this.options_.listType;\n      }\n\n      if (typeof this.options_.modestbranding !== 'undefined') {\n        playerVars.modestbranding = this.options_.modestbranding;\n      }\n\n      if (typeof this.options_.playlist !== 'undefined') {\n        playerVars.playlist = this.options_.playlist;\n      }\n\n      if (typeof this.options_.playsinline !== 'undefined') {\n        playerVars.playsinline = this.options_.playsinline;\n      }\n\n      if (typeof this.options_.rel !== 'undefined') {\n        playerVars.rel = this.options_.rel;\n      }\n\n      if (typeof this.options_.showinfo !== 'undefined') {\n        playerVars.showinfo = this.options_.showinfo;\n      }\n\n      if (this.options_.source.src.indexOf('start=') !== -1) {\n        var srcStartTime = this.options_.source.src.match(/start=([0-9]*)/);\n        this.options_.start = parseInt(srcStartTime[1]);\n      }\n\n      if (typeof this.options_.start !== 'undefined') {\n        playerVars.start = this.options_.start;\n      }\n\n      if (typeof this.options_.theme !== 'undefined') {\n        playerVars.theme = this.options_.theme;\n      }\n\n      // Allow undocumented options to be passed along via customVars\n      if (typeof this.options_.customVars !== 'undefined') {\n        var customVars = this.options_.customVars;\n        Object.keys(customVars).forEach(function(key) {\n          playerVars[key] = customVars[key];\n        });\n      }\n\n      this.activeVideoId = this.url ? this.url.videoId : null;\n      this.activeList = playerVars.list;\n\n      var playerConfig = {\n        videoId: this.activeVideoId,\n        playerVars: playerVars,\n        events: {\n          onReady: this.onPlayerReady.bind(this),\n          onPlaybackQualityChange: this.onPlayerPlaybackQualityChange.bind(this),\n          onPlaybackRateChange: this.onPlayerPlaybackRateChange.bind(this),\n          onStateChange: this.onPlayerStateChange.bind(this),\n          onVolumeChange: this.onPlayerVolumeChange.bind(this),\n          onError: this.onPlayerError.bind(this)\n        }\n      };\n\n      if (typeof this.options_.enablePrivacyEnhancedMode !== 'undefined' && this.options_.enablePrivacyEnhancedMode) {\n        playerConfig.host = 'https://www.youtube-nocookie.com';\n      }\n\n      this.ytPlayer = new YT.Player(this.options_.techId, playerConfig);\n    },\n\n    onPlayerReady: function() {\n      if (this.options_.muted) {\n        this.ytPlayer.mute();\n      }\n\n      var playbackRates = this.ytPlayer.getAvailablePlaybackRates();\n      if (playbackRates.length > 1) {\n        this.featuresPlaybackRate = true;\n      }\n\n      this.playerReady_ = true;\n      this.triggerReady();\n\n      if (this.playOnReady) {\n        this.play();\n      } else if (this.cueOnReady) {\n        this.cueVideoById_(this.url.videoId);\n        this.activeVideoId = this.url.videoId;\n      }\n    },\n\n    onPlayerPlaybackQualityChange: function() {\n\n    },\n\n    onPlayerPlaybackRateChange: function() {\n      this.trigger('ratechange');\n    },\n\n    onPlayerStateChange: function(e) {\n      var state = e.data;\n\n      if (state === this.lastState || this.errorNumber) {\n        return;\n      }\n\n      this.lastState = state;\n\n      switch (state) {\n        case -1:\n          this.trigger('loadstart');\n          this.trigger('loadedmetadata');\n          this.trigger('durationchange');\n          this.trigger('ratechange');\n          break;\n\n        case YT.PlayerState.ENDED:\n          this.trigger('ended');\n          break;\n\n        case YT.PlayerState.PLAYING:\n          this.trigger('timeupdate');\n          this.trigger('durationchange');\n          this.trigger('playing');\n          this.trigger('play');\n\n          if (this.isSeeking) {\n            this.onSeeked();\n          }\n          break;\n\n        case YT.PlayerState.PAUSED:\n          this.trigger('canplay');\n          if (this.isSeeking) {\n            this.onSeeked();\n          } else {\n            this.trigger('pause');\n          }\n          break;\n\n        case YT.PlayerState.BUFFERING:\n          this.player_.trigger('timeupdate');\n          this.player_.trigger('waiting');\n          break;\n      }\n    },\n\n    onPlayerVolumeChange: function() {\n      this.trigger('volumechange');\n    },\n\n    onPlayerError: function(e) {\n      this.errorNumber = e.data;\n      this.trigger('pause');\n      this.trigger('error');\n    },\n\n    error: function() {\n      var code = 1000 + this.errorNumber; // as smaller codes are reserved\n      switch (this.errorNumber) {\n        case 5:\n          return { code: code, message: 'Error while trying to play the video' };\n\n        case 2:\n        case 100:\n          return { code: code, message: 'Unable to find the video' };\n\n        case 101:\n        case 150:\n          return {\n            code: code,\n            message: 'Playback on other Websites has been disabled by the video owner.'\n          };\n      }\n\n      return { code: code, message: 'YouTube unknown error (' + this.errorNumber + ')' };\n    },\n\n    loadVideoById_: function(id) {\n      var options = {\n        videoId: id\n      };\n      if (this.options_.start) {\n        options.startSeconds = this.options_.start;\n      }\n      if (this.options_.end) {\n        options.endSeconds = this.options_.end;\n      }\n      this.ytPlayer.loadVideoById(options);\n    },\n\n    cueVideoById_: function(id) {\n      var options = {\n        videoId: id\n      };\n      if (this.options_.start) {\n        options.startSeconds = this.options_.start;\n      }\n      if (this.options_.end) {\n        options.endSeconds = this.options_.end;\n      }\n      this.ytPlayer.cueVideoById(options);\n    },\n\n    src: function(src) {\n      if (src) {\n        this.setSrc({ src: src });\n      }\n\n      return this.source;\n    },\n\n    poster: function() {\n      // You can't start programmaticlly a video with a mobile\n      // through the iframe so we hide the poster and the play button (with CSS)\n      if (_isOnMobile) {\n        return null;\n      }\n\n      return this.poster_;\n    },\n\n    setPoster: function(poster) {\n      this.poster_ = poster;\n    },\n\n    setSrc: function(source) {\n      if (!source || !source.src) {\n        return;\n      }\n\n      delete this.errorNumber;\n      this.source = source;\n      this.url = Youtube.parseUrl(source.src);\n\n      if (!this.options_.poster) {\n        if (this.url.videoId) {\n          // Set the low resolution first\n          this.poster_ = 'https://img.youtube.com/vi/' + this.url.videoId + '/0.jpg';\n          this.trigger('posterchange');\n\n          // Check if their is a high res\n          this.checkHighResPoster();\n        }\n      }\n\n      if (this.options_.autoplay && !_isOnMobile) {\n        if (this.isReady_) {\n          this.play();\n        } else {\n          this.playOnReady = true;\n        }\n      } else if (this.activeVideoId !== this.url.videoId) {\n        if (this.isReady_) {\n          this.cueVideoById_(this.url.videoId);\n          this.activeVideoId = this.url.videoId;\n        } else {\n          this.cueOnReady = true;\n        }\n      }\n    },\n\n    autoplay: function() {\n      return this.options_.autoplay;\n    },\n\n    setAutoplay: function(val) {\n      this.options_.autoplay = val;\n    },\n\n    loop: function() {\n      return this.options_.loop;\n    },\n\n    setLoop: function(val) {\n      this.options_.loop = val;\n    },\n\n    play: function() {\n      if (!this.url || !this.url.videoId) {\n        return;\n      }\n\n      this.wasPausedBeforeSeek = false;\n\n      if (this.isReady_) {\n        if (this.url.listId) {\n          if (this.activeList === this.url.listId) {\n            this.ytPlayer.playVideo();\n          } else {\n            this.ytPlayer.loadPlaylist(this.url.listId);\n            this.activeList = this.url.listId;\n          }\n        }\n\n        if (this.activeVideoId === this.url.videoId) {\n          this.ytPlayer.playVideo();\n        } else {\n          this.loadVideoById_(this.url.videoId);\n          this.activeVideoId = this.url.videoId;\n        }\n      } else {\n        this.trigger('waiting');\n        this.playOnReady = true;\n      }\n    },\n\n    pause: function() {\n      if (this.ytPlayer) {\n        this.ytPlayer.pauseVideo();\n      }\n    },\n\n    paused: function() {\n      return (this.ytPlayer) ?\n        (this.lastState !== YT.PlayerState.PLAYING && this.lastState !== YT.PlayerState.BUFFERING)\n        : true;\n    },\n\n    currentTime: function() {\n      return this.ytPlayer ? this.ytPlayer.getCurrentTime() : 0;\n    },\n\n    setCurrentTime: function(seconds) {\n      if (this.lastState === YT.PlayerState.PAUSED) {\n        this.timeBeforeSeek = this.currentTime();\n      }\n\n      if (!this.isSeeking) {\n        this.wasPausedBeforeSeek = this.paused();\n      }\n\n      this.ytPlayer.seekTo(seconds, true);\n      this.trigger('timeupdate');\n      this.trigger('seeking');\n      this.isSeeking = true;\n\n      // A seek event during pause does not return an event to trigger a seeked event,\n      // so run an interval timer to look for the currentTime to change\n      if (this.lastState === YT.PlayerState.PAUSED && this.timeBeforeSeek !== seconds) {\n        clearInterval(this.checkSeekedInPauseInterval);\n        this.checkSeekedInPauseInterval = setInterval(function() {\n          if (this.lastState !== YT.PlayerState.PAUSED || !this.isSeeking) {\n            // If something changed while we were waiting for the currentTime to change,\n            //  clear the interval timer\n            clearInterval(this.checkSeekedInPauseInterval);\n          } else if (this.currentTime() !== this.timeBeforeSeek) {\n            this.trigger('timeupdate');\n            this.onSeeked();\n          }\n        }.bind(this), 250);\n      }\n    },\n\n    seeking: function () {\n      return this.isSeeking;\n    },\n\n    seekable: function () {\n      if(!this.ytPlayer) {\n        return videojs.createTimeRange();\n      }\n\n      return videojs.createTimeRange(0, this.ytPlayer.getDuration());\n    },\n\n    onSeeked: function() {\n      clearInterval(this.checkSeekedInPauseInterval);\n      this.isSeeking = false;\n\n      if (this.wasPausedBeforeSeek) {\n        this.pause();\n      }\n\n      this.trigger('seeked');\n    },\n\n    playbackRate: function() {\n      return this.ytPlayer ? this.ytPlayer.getPlaybackRate() : 1;\n    },\n\n    setPlaybackRate: function(suggestedRate) {\n      if (!this.ytPlayer) {\n        return;\n      }\n\n      this.ytPlayer.setPlaybackRate(suggestedRate);\n    },\n\n    duration: function() {\n      return this.ytPlayer ? this.ytPlayer.getDuration() : 0;\n    },\n\n    currentSrc: function() {\n      return this.source && this.source.src;\n    },\n\n    ended: function() {\n      return this.ytPlayer ? (this.lastState === YT.PlayerState.ENDED) : false;\n    },\n\n    volume: function() {\n      return this.ytPlayer ? this.ytPlayer.getVolume() / 100.0 : 1;\n    },\n\n    setVolume: function(percentAsDecimal) {\n      if (!this.ytPlayer) {\n        return;\n      }\n\n      this.ytPlayer.setVolume(percentAsDecimal * 100.0);\n    },\n\n    muted: function() {\n      return this.ytPlayer ? this.ytPlayer.isMuted() : false;\n    },\n\n    setMuted: function(mute) {\n      if (!this.ytPlayer) {\n        return;\n      }\n      else{\n        this.muted(true);\n      }\n\n      if (mute) {\n        this.ytPlayer.mute();\n      } else {\n        this.ytPlayer.unMute();\n      }\n      this.setTimeout( function(){\n        this.trigger('volumechange');\n      }, 50);\n    },\n\n    buffered: function() {\n      if(!this.ytPlayer || !this.ytPlayer.getVideoLoadedFraction) {\n        return videojs.createTimeRange();\n      }\n\n      var bufferedEnd = this.ytPlayer.getVideoLoadedFraction() * this.ytPlayer.getDuration();\n\n      return videojs.createTimeRange(0, bufferedEnd);\n    },\n\n    // TODO: Can we really do something with this on YouTUbe?\n    preload: function() {},\n    load: function() {},\n    reset: function() {},\n    networkState: function () {\n      if (!this.ytPlayer) {\n        return 0; //NETWORK_EMPTY\n      }\n      switch (this.ytPlayer.getPlayerState()) {\n        case -1: //unstarted\n          return 0; //NETWORK_EMPTY\n        case 3: //buffering\n          return 2; //NETWORK_LOADING\n        default:\n          return 1; //NETWORK_IDLE\n      }\n    },\n    readyState: function () {\n      if (!this.ytPlayer) {\n        return 0; //HAVE_NOTHING\n      }\n      switch (this.ytPlayer.getPlayerState()) {\n        case -1: //unstarted\n          return 0; //HAVE_NOTHING\n        case 5: //video cued\n          return 1; //HAVE_METADATA\n        case 3: //buffering\n          return 2; //HAVE_CURRENT_DATA\n        default:\n          return 4; //HAVE_ENOUGH_DATA\n      }\n    },\n\n    supportsFullScreen: function() {\n      return document.fullscreenEnabled ||\n             document.webkitFullscreenEnabled ||\n             document.mozFullScreenEnabled ||\n             document.msFullscreenEnabled;\n    },\n\n    // Tries to get the highest resolution thumbnail available for the video\n    checkHighResPoster: function(){\n      var uri = 'https://img.youtube.com/vi/' + this.url.videoId + '/maxresdefault.jpg';\n\n      try {\n        var image = new Image();\n        image.onload = function(){\n          // Onload may still be called if YouTube returns the 120x90 error thumbnail\n          if('naturalHeight' in image){\n            if (image.naturalHeight <= 90 || image.naturalWidth <= 120) {\n              return;\n            }\n          } else if(image.height <= 90 || image.width <= 120) {\n            return;\n          }\n\n          this.poster_ = uri;\n          this.trigger('posterchange');\n        }.bind(this);\n        image.onerror = function(){};\n        image.src = uri;\n      }\n      catch(e){}\n    }\n  });\n\n  Youtube.isSupported = function() {\n    return true;\n  };\n\n  Youtube.canPlaySource = function(e) {\n    return Youtube.canPlayType(e.type);\n  };\n\n  Youtube.canPlayType = function(e) {\n    return (e === 'video/youtube');\n  };\n\n  Youtube.parseUrl = function(url) {\n    var result = {\n      videoId: null\n    };\n\n    var regex = /^.*(youtu.be\\/|v\\/|u\\/\\w\\/|embed\\/|watch\\?v=|\\&v=)([^#\\&\\?]*).*/;\n    var match = url.match(regex);\n\n    if (match && match[2].length === 11) {\n      result.videoId = match[2];\n    }\n\n    var regPlaylist = /[?&]list=([^#\\&\\?]+)/;\n    match = url.match(regPlaylist);\n\n    if(match && match[1]) {\n      result.listId = match[1];\n    }\n\n    return result;\n  };\n\n  function apiLoaded() {\n    YT.ready(function() {\n      Youtube.isApiReady = true;\n\n      for (var i = 0; i < Youtube.apiReadyQueue.length; ++i) {\n        Youtube.apiReadyQueue[i].initYTPlayer();\n      }\n    });\n  }\n\n  function loadScript(src, callback) {\n    var loaded = false;\n    var tag = document.createElement('script');\n    var firstScriptTag = document.getElementsByTagName('script')[0];\n    if (!firstScriptTag) {\n      // when loaded in jest without jsdom setup it doesn't get any element.\n      // In jest it doesn't really make sense to do anything, because no one is watching youtube in jest\n      return;\n    }\n    firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);\n    tag.onload = function () {\n      if (!loaded) {\n        loaded = true;\n        callback();\n      }\n    };\n    tag.onreadystatechange = function () {\n      if (!loaded && (this.readyState === 'complete' || this.readyState === 'loaded')) {\n        loaded = true;\n        callback();\n      }\n    };\n    tag.src = src;\n  }\n\n  function injectCss() {\n    var css = // iframe blocker to catch mouse events\n              '.vjs-youtube .vjs-iframe-blocker { display: none; }' +\n              '.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }' +\n              '.vjs-youtube .vjs-poster { background-size: cover; }' +\n              '.vjs-youtube-mobile .vjs-big-play-button { display: none; }';\n\n    var head = document.head || document.getElementsByTagName('head')[0];\n\n    var style = document.createElement('style');\n    style.type = 'text/css';\n\n    if (style.styleSheet){\n      style.styleSheet.cssText = css;\n    } else {\n      style.appendChild(document.createTextNode(css));\n    }\n\n    head.appendChild(style);\n  }\n\n  Youtube.apiReadyQueue = [];\n\n  if (typeof document !== 'undefined'){\n    loadScript('https://www.youtube.com/iframe_api', apiLoaded);\n    injectCss();\n  }\n\n  // Older versions of VJS5 doesn't have the registerTech function\n  if (typeof videojs.registerTech !== 'undefined') {\n    videojs.registerTech('Youtube', Youtube);\n  } else {\n    videojs.registerComponent('Youtube', Youtube);\n  }\n}));\n"],"file":"Youtube-lazy.min.js"}
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/video-lazy.min.js b/media/player/videojs/amd/build/video-lazy.min.js
index a8f41610f62..4c306334a16 100644
--- a/media/player/videojs/amd/build/video-lazy.min.js
+++ b/media/player/videojs/amd/build/video-lazy.min.js
@@ -1,2 +1,2 @@
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t=this;e=[].concat(e);e.forEach(function(e){var a=t[e+"Tracks"]()||[],n=a.length;while(n--){var r=a[n];if("text"===e){t.removeRemoteTextTrack(r)}a.removeTrack(r)}})};r.cleanupAutoTextTracks=function(){var e=this.autoRemoteTextTracks_||[],t=e.length;while(t--){var a=e[t];this.removeRemoteTextTrack(a)}};r.reset=function(){};r.error=function(e){if(e!==void 0){this.error_=new oe(e);this.trigger("error")}return this.error_};r.played=function(){if(this.hasStarted_){return ie(0,0)}return ie()};r.setCurrentTime=function(){if(this.manualTimeUpdates){this.trigger({type:"timeupdate",target:this,manuallyTriggered:!0})}};r.initTrackListeners=function(){var e=this;Tr.names.forEach(function(t){var a=Tr[t],n=function(){e.trigger(t+"trackchange")},r=e[a.getterName]();r.addEventListener("removetrack",n);r.addEventListener("addtrack",n);e.on("dispose",function(){r.removeEventListener("removetrack",n);r.removeEventListener("addtrack",n)})})};r.addWebVttScript_=function(){var a=this;if(e.WebVTT){return}if(t.body.contains(this.el())){if(!this.options_["vtt.js"]&&d(Or)&&0<Object.keys(Or).length){this.trigger("vttjsloaded");return}var n=t.createElement("script");n.src=this.options_["vtt.js"]||"https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js";n.onload=function(){a.trigger("vttjsloaded")};n.onerror=function(){a.trigger("vttjserror")};this.on("dispose",function(){n.onload=null;n.onerror=null});e.WebVTT=!0;this.el().parentNode.appendChild(n)}else{this.ready(this.addWebVttScript_)}};r.emulateTextTracks=function(){var e=this,t=this.textTracks(),a=this.remoteTextTracks(),n=function(a){return t.addTrack(a.track)},r=function(a){return t.removeTrack(a.track)};a.on("addtrack",n);a.on("removetrack",r);this.addWebVttScript_();var s=function(){return e.trigger("texttrackchange")},o=function(){s();for(var e=0,a;e<t.length;e++){a=t[e];a.removeEventListener("cuechange",s);if("showing"===a.mode){a.addEventListener("cuechange",s)}}};o();t.addEventListener("change",o);t.addEventListener("addtrack",o);t.addEventListener("removetrack",o);this.on("dispose",function(){a.off("addtrack",n);a.off("removetrack",r);t.removeEventListener("change",o);t.removeEventListener("addtrack",o);t.removeEventListener("removetrack",o);for(var e=0,l;e<t.length;e++){l=t[e];l.removeEventListener("cuechange",s)}})};r.addTextTrack=function(e,t,a){if(!e){throw new Error("TextTrack kind is required but was not provided")}return Ne(this,e,t,a)};r.createRemoteTextTrack=function(e){var t=te(e,{tech:this});return new br.remoteTextEl.TrackClass(t)};r.addRemoteTextTrack=function(e,t){var a=this;if(void 0===e){e={}}var n=this.createRemoteTextTrack(e);if(!0!==t&&!1!==t){ma.warn("Calling addRemoteTextTrack without explicitly setting the \"manualCleanup\" parameter to `true` is deprecated and default to `false` in future version 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this[t.privateName]}});Mr.prototype.featuresVolumeControl=!0;Mr.prototype.featuresMuteControl=!0;Mr.prototype.featuresFullscreenResize=!1;Mr.prototype.featuresPlaybackRate=!1;Mr.prototype.featuresProgressEvents=!1;Mr.prototype.featuresSourceset=!1;Mr.prototype.featuresTimeupdateEvents=!1;Mr.prototype.featuresNativeTextTracks=!1;Mr.withSourceHandlers=function(e){e.registerSourceHandler=function(t,a){var n=e.sourceHandlers;if(!n){n=e.sourceHandlers=[]}if(a===void 0){a=n.length}n.splice(a,0,t)};e.canPlayType=function(t){for(var a=e.sourceHandlers||[],n,r=0;r<a.length;r++){n=a[r].canPlayType(t);if(n){return n}}return""};e.selectSourceHandler=function(t,a){for(var n=e.sourceHandlers||[],r,s=0;s<n.length;s++){r=n[s].canHandleSource(t,a);if(r){return n[s]}}return null};e.canPlaySource=function(t,a){var n=e.selectSourceHandler(t,a);if(n){return n.canHandleSource(t,a)}return""};["seekable","seeking","duration"].forEach(function(e){var t=this[e];if("function"!=typeof 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Br={},jr={},Fr={};function Ue(e,t,a){e.setTimeout(function(){return ze(t,Br[t.type],a,e)},1)}function Me(e,t){e.forEach(function(e){return e.setTech&&e.setTech(t)})}function Be(e,t,a){return e.reduceRight(He(a),t[a]())}function je(e,t,a,n){return t[a](e.reduce(He(a),n))}function Fe(e,t,a,n){if(void 0===n){n=null}var r="call"+Xa(a),i=e.reduce(He(r),n),s=i===Fr,o=s?null:t[a](i);qe(e,a,o,s);return o}var Hr={buffered:1,currentTime:1,duration:1,muted:1,played:1,paused:1,seekable:1,volume:1},qr={setCurrentTime:1,setMuted:1,setVolume:1},Vr={play:1,pause:1};function He(e){return function(t,a){if(t===Fr){return Fr}if(a[e]){return a[e](t)}return t}}function qe(e,t,a,n){for(var r=e.length-1,s;0<=r;r--){s=e[r];if(s[t]){s[t](n,a)}}}function Ve(e){jr[e.id()]=null}function We(e,t){var a=jr[e.id()],n=null;if(a===void 0||null===a){n=t(e);jr[e.id()]=[[t,n]];return n}for(var r=0;r<a.length;r++){var s=a[r],o=s[0],l=s[1];if(o!==t){continue}n=l}if(null===n){n=t(e);a.push([t,n])}return n}function 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n=e.call(this,t,a)||this;n.emitTapEvents();n.enable();return n}var a=t.prototype;a.createEl=function(t,a,n){if(void 0===t){t="div"}if(void 0===a){a={}}if(void 0===n){n={}}a=o({innerHTML:"<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>",className:this.buildCSSClass(),tabIndex:0},a);if("button"===t){ma.error("Creating a ClickableComponent with an HTML element of "+t+" is not supported; use a Button instead.")}n=o({role:"button"},n);this.tabIndex_=a.tabIndex;var r=e.prototype.createEl.call(this,t,a,n);this.createControlTextEl(r);return r};a.dispose=function(){this.controlTextEl_=null;e.prototype.dispose.call(this)};a.createControlTextEl=function(e){this.controlTextEl_=f("span",{className:"vjs-control-text"},{"aria-live":"polite"});if(e){e.appendChild(this.controlTextEl_)}this.controlText(this.controlText_,e);return this.controlTextEl_};a.controlText=function(e,t){if(void 0===t){t=this.el()}if(e===void 0){return this.controlText_||"Need Text"}var a=this.localize(e);this.controlText_=e;T(this.controlTextEl_,a);if(!this.nonIconControl){t.setAttribute("title",a)}};a.buildCSSClass=function(){return"vjs-control vjs-button "+e.prototype.buildCSSClass.call(this)};a.enable=function(){if(!this.enabled_){this.enabled_=!0;this.removeClass("vjs-disabled");this.el_.setAttribute("aria-disabled","false");if("undefined"!=typeof this.tabIndex_){this.el_.setAttribute("tabIndex",this.tabIndex_)}this.on(["tap","click"],this.handleClick);this.on("keydown",this.handleKeyDown)}};a.disable=function(){this.enabled_=!1;this.addClass("vjs-disabled");this.el_.setAttribute("aria-disabled","true");if("undefined"!=typeof this.tabIndex_){this.el_.removeAttribute("tabIndex")}this.off("mouseover",this.handleMouseOver);this.off("mouseout",this.handleMouseOut);this.off(["tap","click"],this.handleClick);this.off("keydown",this.handleKeyDown)};a.handleClick=function(){if(this.options_.clickHandler){this.options_.clickHandler.call(this,arguments)}};a.handleKeyDown=function(t){if(Rn.isEventKey(t,"Space")||Rn.isEventKey(t,"Enter")){t.preventDefault();t.stopPropagation();this.trigger("click")}else{e.prototype.handleKeyDown.call(this,t)}};return t}(Qa);Qa.registerComponent("ClickableComponent",Xr);var $r=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update();t.on("posterchange",Oa(Ja(n),n.update));return n}var a=t.prototype;a.dispose=function(){this.player().off("posterchange",this.update);e.prototype.dispose.call(this)};a.createEl=function(){var e=f("div",{className:"vjs-poster",tabIndex:-1});return e};a.update=function(){var e=this.player().poster();this.setSrc(e);if(e){this.show()}else{this.hide()}};a.setSrc=function(e){var t="";if(e){t="url(\""+e+"\")"}this.el_.style.backgroundImage=t};a.handleClick=function(){if(!this.player_.controls()){return}var e=this.player_.usingPlugin("eme")&&this.player_.eme.sessions&&0<this.player_.eme.sessions.length;if(this.player_.tech(!0)&&!((yn||cn)&&e)){this.player_.tech(!0).focus()}if(this.player_.paused()){de(this.player_.play())}else{this.player_.pause()}};return t}(Xr);Qa.registerComponent("PosterImage",$r);var Qr="#ccc",Jr={monospace:"monospace",sansSerif:"sans-serif",serif:"serif",monospaceSansSerif:"\"Andale Mono\", \"Lucida Console\", monospace",monospaceSerif:"\"Courier New\", monospace",proportionalSansSerif:"sans-serif",proportionalSerif:"serif",casual:"\"Comic Sans MS\", Impact, fantasy",script:"\"Monotype Corsiva\", cursive",smallcaps:"\"Andale Mono\", \"Lucida Console\", monospace, sans-serif"};function Ke(e,t){var a;if(4===e.length){a=e[1]+e[1]+e[2]+e[2]+e[3]+e[3]}else if(7===e.length){a=e.slice(1)}else{throw new Error("Invalid color code provided, "+e+"; must be formatted as e.g. #f0e or #f604e2.")}return"rgba("+parseInt(a.slice(0,2),16)+","+parseInt(a.slice(2,4),16)+","+parseInt(a.slice(4,6),16)+","+t+")"}function Ye(e,t,a){try{e.style[t]=a}catch(t){}}var Zr=function(t){tn(a,t);function a(a,n,r){var i=t.call(this,a,n,r)||this;var s=Oa(Ja(i),i.updateDisplay);a.on("loadstart",Oa(Ja(i),i.toggleDisplay));a.on("texttrackchange",s);a.on("loadedmetadata",Oa(Ja(i),i.preselectTrack));a.ready(Oa(Ja(i),function(){if(a.tech_&&a.tech_.featuresNativeTextTracks){this.hide();return}a.on("fullscreenchange",s);a.on("playerresize",s);e.addEventListener("orientationchange",s);a.on("dispose",function(){return e.removeEventListener("orientationchange",s)});for(var t=this.options_.playerOptions.tracks||[],n=0;n<t.length;n++){this.player_.addRemoteTextTrack(t[n],!0)}this.preselectTrack()}));return i}var n=a.prototype;n.preselectTrack=function(){for(var e={captions:1,subtitles:1},t=this.player_.textTracks(),a=this.player_.cache_.selectedLanguage,n,r,s,o=0,l;o<t.length;o++){l=t[o];if(a&&a.enabled&&a.language&&a.language===l.language&&l.kind in e){if(l.kind===a.kind){s=l}else if(!s){s=l}}else if(a&&!a.enabled){s=null;n=null;r=null}else if(l["default"]){if("descriptions"===l.kind&&!n){n=l}else if(l.kind in e&&!r){r=l}}}if(s){s.mode="showing"}else if(r){r.mode="showing"}else if(n){n.mode="showing"}};n.toggleDisplay=function(){if(this.player_.tech_&&this.player_.tech_.featuresNativeTextTracks){this.hide()}else{this.show()}};n.createEl=function(){return t.prototype.createEl.call(this,"div",{className:"vjs-text-track-display"},{"aria-live":"off","aria-atomic":"true"})};n.clearDisplay=function(){if("function"==typeof e.WebVTT){e.WebVTT.processCues(e,[],this.el_)}};n.updateDisplay=function(){var e=this.player_.textTracks(),t=this.options_.allowMultipleShowingTracks;this.clearDisplay();if(t){for(var a=[],n=0,r;n<e.length;++n){r=e[n];if("showing"!==r.mode){continue}a.push(r)}this.updateForTrack(a);return}var s=null,o=null,l=e.length;while(l--){var d=e[l];if("showing"===d.mode){if("descriptions"===d.kind){s=d}else{o=d}}}if(o){if("off"!==this.getAttribute("aria-live")){this.setAttribute("aria-live","off")}this.updateForTrack(o)}else if(s){if("assertive"!==this.getAttribute("aria-live")){this.setAttribute("aria-live","assertive")}this.updateForTrack(s)}};n.updateDisplayState=function(t){var a=this.player_.textTrackSettings.getValues(),n=t.activeCues,r=n.length;while(r--){var s=n[r];if(!s){continue}var o=s.displayState;if(a.color){o.firstChild.style.color=a.color}if(a.textOpacity){Ye(o.firstChild,"color",Ke(a.color||"#fff",a.textOpacity))}if(a.backgroundColor){o.firstChild.style.backgroundColor=a.backgroundColor}if(a.backgroundOpacity){Ye(o.firstChild,"backgroundColor",Ke(a.backgroundColor||"#000",a.backgroundOpacity))}if(a.windowColor){if(a.windowOpacity){Ye(o,"backgroundColor",Ke(a.windowColor,a.windowOpacity))}else{o.style.backgroundColor=a.windowColor}}if(a.edgeStyle){if("dropshadow"===a.edgeStyle){o.firstChild.style.textShadow="2px 2px 3px #222, 2px 2px 4px #222, 2px 2px 5px #222"}else if("raised"===a.edgeStyle){o.firstChild.style.textShadow="1px 1px #222, 2px 2px #222, 3px 3px #222"}else if("depressed"===a.edgeStyle){o.firstChild.style.textShadow="1px 1px "+Qr+", 0 1px "+Qr+", -1px -1px "+"#222"+", 0 -1px "+"#222"}else if("uniform"===a.edgeStyle){o.firstChild.style.textShadow="0 0 4px #222, 0 0 4px #222, 0 0 4px #222, 0 0 4px #222"}}if(a.fontPercent&&1!==a.fontPercent){var l=e.parseFloat(o.style.fontSize);o.style.fontSize=l*a.fontPercent+"px";o.style.height="auto";o.style.top="auto";o.style.bottom="2px"}if(a.fontFamily&&"default"!==a.fontFamily){if("small-caps"===a.fontFamily){o.firstChild.style.fontVariant="small-caps"}else{o.firstChild.style.fontFamily=Jr[a.fontFamily]}}}};n.updateForTrack=function(t){if(!Array.isArray(t)){t=[t]}if("function"!=typeof e.WebVTT||t.every(function(e){return!e.activeCues})){return}for(var a=[],n=0,r;n<t.length;++n){r=t[n];for(var s=0;s<r.activeCues.length;++s){a.push(r.activeCues[s])}}e.WebVTT.processCues(e,a,this.el_);for(var o=0,l;o<t.length;++o){l=t[o];for(var d=0,p;d<l.activeCues.length;++d){p=l.activeCues[d].displayState;S(p,"vjs-text-track-cue");S(p,"vjs-text-track-cue-"+(l.language?l.language:o))}if(this.player_.textTrackSettings){this.updateDisplayState(l)}}};return a}(Qa);Qa.registerComponent("TextTrackDisplay",Zr);var ei=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){var t=this.player_.isAudio(),a=this.localize(t?"Audio Player":"Video Player"),n=f("span",{className:"vjs-control-text",innerHTML:this.localize("{1} is loading.",[a])}),r=e.prototype.createEl.call(this,"div",{className:"vjs-loading-spinner",dir:"ltr"});r.appendChild(n);return r};return t}(Qa);Qa.registerComponent("LoadingSpinner",ei);var ti=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(e,t,a){if(void 0===t){t={}}if(void 0===a){a={}}e="button";t=o({innerHTML:"<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>",className:this.buildCSSClass()},t);a=o({type:"button"},a);var n=Qa.prototype.createEl.call(this,e,t,a);this.createControlTextEl(n);return n};a.addChild=function(e,t){if(void 0===t){t={}}var a=this.constructor.name;ma.warn("Adding an actionable (user controllable) child to a Button ("+a+") is not supported; use a ClickableComponent instead.");return Qa.prototype.addChild.call(this,e,t)};a.enable=function(){e.prototype.enable.call(this);this.el_.removeAttribute("disabled")};a.disable=function(){e.prototype.disable.call(this);this.el_.setAttribute("disabled","disabled")};a.handleKeyDown=function(t){if(Rn.isEventKey(t,"Space")||Rn.isEventKey(t,"Enter")){t.stopPropagation();return}e.prototype.handleKeyDown.call(this,t)};return t}(Xr);Qa.registerComponent("Button",ti);var ai=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.mouseused_=!1;n.on("mousedown",n.handleMouseDown);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-big-play-button"};a.handleClick=function(e){var t=this.player_.play();if(this.mouseused_&&e.clientX&&e.clientY){var a=this.player_.usingPlugin("eme")&&this.player_.eme.sessions&&0<this.player_.eme.sessions.length;de(t);if(this.player_.tech(!0)&&!((yn||cn)&&a)){this.player_.tech(!0).focus()}return}var n=this.player_.getChild("controlBar"),r=n&&n.getChild("playToggle");if(!r){this.player_.tech(!0).focus();return}var i=function(){return r.focus()};if(le(t)){t.then(i,function(){})}else{this.setTimeout(i,1)}};a.handleKeyDown=function(t){this.mouseused_=!1;e.prototype.handleKeyDown.call(this,t)};a.handleMouseDown=function(){this.mouseused_=!0};return t}(ti);ai.prototype.controlText_="Play Video";Qa.registerComponent("BigPlayButton",ai);var ni=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.controlText(a&&a.controlText||n.localize("Close"));return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-close-button "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){this.trigger({type:"close",bubbles:!1})};a.handleKeyDown=function(t){if(Rn.isEventKey(t,"Esc")){t.preventDefault();t.stopPropagation();this.trigger("click")}else{e.prototype.handleKeyDown.call(this,t)}};return t}(ti);Qa.registerComponent("CloseButton",ni);var ri=function(e){tn(t,e);function t(t,a){var n;if(void 0===a){a={}}n=e.call(this,t,a)||this;a.replay=a.replay===void 0||a.replay;n.on(t,"play",n.handlePlay);n.on(t,"pause",n.handlePause);if(a.replay){n.on(t,"ended",n.handleEnded)}return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-play-control "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){if(this.player_.paused()){this.player_.play()}else{this.player_.pause()}};a.handleSeeked=function(e){this.removeClass("vjs-ended");if(this.player_.paused()){this.handlePause(e)}else{this.handlePlay(e)}};a.handlePlay=function(){this.removeClass("vjs-ended");this.removeClass("vjs-paused");this.addClass("vjs-playing");this.controlText("Pause")};a.handlePause=function(){this.removeClass("vjs-playing");this.addClass("vjs-paused");this.controlText("Play")};a.handleEnded=function(){this.removeClass("vjs-playing");this.addClass("vjs-ended");this.controlText("Replay");this.one(this.player_,"seeked",this.handleSeeked)};return t}(ti);ri.prototype.controlText_="Play";Qa.registerComponent("PlayToggle",ri);var ii=function(e,t){e=0>e?0:e;var a=Math.floor(e%60),n=Math.floor(e/60%60),r=Math.floor(e/3600),i=Math.floor(t/60%60),o=Math.floor(t/3600);if(isNaN(e)||e===1/0){r=n=a="-"}r=0<r||0<o?r+":":"";n=((r||10<=i)&&10>n?"0"+n:n)+":";a=10>a?"0"+a:a;return r+n+a},si=ii;function Xe(e,t){if(void 0===t){t=e}return si(e,t)}var oi=function(e){tn(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.on(t,["timeupdate","ended"],n.updateContent);n.updateTextNode_();return n}var n=a.prototype;n.createEl=function(){var t=this.buildCSSClass(),a=e.prototype.createEl.call(this,"div",{className:t+" vjs-time-control vjs-control",innerHTML:"<span class=\"vjs-control-text\" role=\"presentation\">"+this.localize(this.labelText_)+"\xA0</span>"});this.contentEl_=f("span",{className:t+"-display"},{"aria-live":"off",role:"presentation"});a.appendChild(this.contentEl_);return a};n.dispose=function(){this.contentEl_=null;this.textNode_=null;e.prototype.dispose.call(this)};n.updateTextNode_=function(e){var a=this;if(void 0===e){e=0}e=Xe(e);if(this.formattedTime_===e){return}this.formattedTime_=e;this.requestAnimationFrame(function(){if(!a.contentEl_){return}var e=a.textNode_;a.textNode_=t.createTextNode(a.formattedTime_);if(!a.textNode_){return}if(e){a.contentEl_.replaceChild(a.textNode_,e)}else{a.contentEl_.appendChild(a.textNode_)}})};n.updateContent=function(){};return a}(Qa);oi.prototype.labelText_="Time";oi.prototype.controlText_="Time";Qa.registerComponent("TimeDisplay",oi);var li=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-current-time"};a.updateContent=function(){var e;if(this.player_.ended()){e=this.player_.duration()}else{e=this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime()}this.updateTextNode_(e)};return t}(oi);li.prototype.labelText_="Current Time";li.prototype.controlText_="Current Time";Qa.registerComponent("CurrentTimeDisplay",li);var di=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"durationchange",n.updateContent);n.on(t,"loadstart",n.updateContent);n.on(t,"loadedmetadata",n.updateContent);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-duration"};a.updateContent=function(){var e=this.player_.duration();this.updateTextNode_(e)};return t}(oi);di.prototype.labelText_="Duration";di.prototype.controlText_="Duration";Qa.registerComponent("DurationDisplay",di);var pi=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-time-control vjs-time-divider",innerHTML:"<div><span>/</span></div>"},{"aria-hidden":!0})};return t}(Qa);Qa.registerComponent("TimeDivider",pi);var ui=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"durationchange",n.updateContent);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-remaining-time"};a.createEl=function(){var t=e.prototype.createEl.call(this);t.insertBefore(f("span",{},{"aria-hidden":!0},"-"),this.contentEl_);return t};a.updateContent=function(){if("number"!=typeof this.player_.duration()){return}var e;if(this.player_.ended()){e=0}else if(this.player_.remainingTimeDisplay){e=this.player_.remainingTimeDisplay()}else{e=this.player_.remainingTime()}this.updateTextNode_(e)};return t}(oi);ui.prototype.labelText_="Remaining Time";ui.prototype.controlText_="Remaining Time";Qa.registerComponent("RemainingTimeDisplay",ui);var ci=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateShowing();n.on(n.player(),"durationchange",n.updateShowing);return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this,"div",{className:"vjs-live-control vjs-control"});this.contentEl_=f("div",{className:"vjs-live-display",innerHTML:"<span class=\"vjs-control-text\">"+this.localize("Stream Type")+"\xA0</span>"+this.localize("LIVE")},{"aria-live":"off"});t.appendChild(this.contentEl_);return t};a.dispose=function(){this.contentEl_=null;e.prototype.dispose.call(this)};a.updateShowing=function(){if(this.player().duration()===1/0){this.show()}else{this.hide()}};return t}(Qa);Qa.registerComponent("LiveDisplay",ci);var mi=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateLiveEdgeStatus();if(n.player_.liveTracker){n.on(n.player_.liveTracker,"liveedgechange",n.updateLiveEdgeStatus)}return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this,"button",{className:"vjs-seek-to-live-control vjs-control"});this.textEl_=f("span",{className:"vjs-seek-to-live-text",innerHTML:this.localize("LIVE")},{"aria-hidden":"true"});t.appendChild(this.textEl_);return t};a.updateLiveEdgeStatus=function(){if(!this.player_.liveTracker||this.player_.liveTracker.atLiveEdge()){this.setAttribute("aria-disabled",!0);this.addClass("vjs-at-live-edge");this.controlText("Seek to live, currently playing live")}else{this.setAttribute("aria-disabled",!1);this.removeClass("vjs-at-live-edge");this.controlText("Seek to live, currently behind live")}};a.handleClick=function(){this.player_.liveTracker.seekToLiveEdge()};a.dispose=function(){if(this.player_.liveTracker){this.off(this.player_.liveTracker,"liveedgechange",this.updateLiveEdgeStatus)}this.textEl_=null;e.prototype.dispose.call(this)};return t}(ti);mi.prototype.controlText_="Seek to live, currently playing live";Qa.registerComponent("SeekToLive",mi);var gi=function(e,t,a){e=+e;return Math.min(a,Math.max(t,isNaN(e)?t:e))},yi=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.bar=n.getChild(n.options_.barName);n.vertical(!!n.options_.vertical);n.enable();return n}var a=t.prototype;a.enabled=function(){return this.enabled_};a.enable=function(){if(this.enabled()){return}this.on("mousedown",this.handleMouseDown);this.on("touchstart",this.handleMouseDown);this.on("keydown",this.handleKeyDown);this.on("click",this.handleClick);this.on(this.player_,"controlsvisible",this.update);if(this.playerEvent){this.on(this.player_,this.playerEvent,this.update)}this.removeClass("disabled");this.setAttribute("tabindex",0);this.enabled_=!0};a.disable=function(){if(!this.enabled()){return}var e=this.bar.el_.ownerDocument;this.off("mousedown",this.handleMouseDown);this.off("touchstart",this.handleMouseDown);this.off("keydown",this.handleKeyDown);this.off("click",this.handleClick);this.off(this.player_,"controlsvisible",this.update);this.off(e,"mousemove",this.handleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchmove",this.handleMouseMove);this.off(e,"touchend",this.handleMouseUp);this.removeAttribute("tabindex");this.addClass("disabled");if(this.playerEvent){this.off(this.player_,this.playerEvent,this.update)}this.enabled_=!1};a.createEl=function(t,a,n){if(void 0===a){a={}}if(void 0===n){n={}}a.className=a.className+" vjs-slider";a=o({tabIndex:0},a);n=o({role:"slider","aria-valuenow":0,"aria-valuemin":0,"aria-valuemax":100,tabIndex:0},n);return e.prototype.createEl.call(this,t,a,n)};a.handleMouseDown=function(e){var t=this.bar.el_.ownerDocument;if("mousedown"===e.type){e.preventDefault()}if("touchstart"===e.type&&!mn){e.preventDefault()}D();this.addClass("vjs-sliding");this.trigger("slideractive");this.on(t,"mousemove",this.handleMouseMove);this.on(t,"mouseup",this.handleMouseUp);this.on(t,"touchmove",this.handleMouseMove);this.on(t,"touchend",this.handleMouseUp);this.handleMouseMove(e)};a.handleMouseMove=function(){};a.handleMouseUp=function(){var e=this.bar.el_.ownerDocument;w();this.removeClass("vjs-sliding");this.trigger("sliderinactive");this.off(e,"mousemove",this.handleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchmove",this.handleMouseMove);this.off(e,"touchend",this.handleMouseUp);this.update()};a.update=function(){var e=this;if(!this.el_||!this.bar){return}var t=this.getProgress();if(t===this.progress_){return t}this.progress_=t;this.requestAnimationFrame(function(){var a=e.vertical()?"height":"width";e.bar.el().style[a]=(100*t).toFixed(2)+"%"});return t};a.getProgress=function(){return+gi(this.getPercent(),0,1).toFixed(4)};a.calculateDistance=function(e){var t=R(this.el_,e);if(this.vertical()){return t.y}return t.x};a.handleKeyDown=function(t){if(Rn.isEventKey(t,"Left")||Rn.isEventKey(t,"Down")){t.preventDefault();t.stopPropagation();this.stepBack()}else if(Rn.isEventKey(t,"Right")||Rn.isEventKey(t,"Up")){t.preventDefault();t.stopPropagation();this.stepForward()}else{e.prototype.handleKeyDown.call(this,t)}};a.handleClick=function(e){e.stopPropagation();e.preventDefault()};a.vertical=function(e){if(e===void 0){return this.vertical_||!1}this.vertical_=!!e;if(this.vertical_){this.addClass("vjs-slider-vertical")}else{this.addClass("vjs-slider-horizontal")}};return t}(Qa);Qa.registerComponent("Slider",yi);var hi=function(e,t){return gi(100*(e/t),0,100).toFixed(2)+"%"},fi=function(e){tn(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.partEls_=[];n.on(t,"progress",n.update);return n}var n=a.prototype;n.createEl=function(){var a=e.prototype.createEl.call(this,"div",{className:"vjs-load-progress"}),n=f("span",{className:"vjs-control-text"}),r=f("span",{textContent:this.localize("Loaded")}),i=t.createTextNode(": ");this.percentageEl_=f("span",{className:"vjs-control-text-loaded-percentage",textContent:"0%"});a.appendChild(n);n.appendChild(r);n.appendChild(i);n.appendChild(this.percentageEl_);return a};n.dispose=function(){this.partEls_=null;this.percentageEl_=null;e.prototype.dispose.call(this)};n.update=function(){var e=this;this.requestAnimationFrame(function(){var t=e.player_.liveTracker,a=e.player_.buffered(),n=t&&t.isLive()?t.seekableEnd():e.player_.duration(),r=e.player_.bufferedEnd(),s=e.partEls_,o=hi(r,n);if(e.percent_!==o){e.el_.style.width=o;T(e.percentageEl_,o);e.percent_=o}for(var l=0;l<a.length;l++){var d=a.start(l),p=a.end(l),u=s[l];if(!u){u=e.el_.appendChild(f());s[l]=u}if(u.dataset.start===d&&u.dataset.end===p){continue}u.dataset.start=d;u.dataset.end=p;u.style.left=hi(d,r);u.style.width=hi(p-d,r)}for(var c=s.length;c>a.length;c--){e.el_.removeChild(s[c-1])}s.length=a.length})};return a}(Qa);Qa.registerComponent("LoadProgressBar",fi);var Ti=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Ra(Oa(Ja(n),n.update),Aa);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-time-tooltip"},{"aria-hidden":"true"})};a.update=function(e,t,a){var n=A(this.el_),r=A(this.player_.el()),i=e.width*t;if(!r||!n){return}var s=e.left-r.left+i,o=e.width-i+(r.right-e.right),l=n.width/2;if(s<l){l+=l-s}else if(o<l){l=o}if(0>l){l=0}else if(l>n.width){l=n.width}this.el_.style.right="-"+l+"px";this.write(a)};a.write=function(e){T(this.el_,e)};a.updateTime=function(e,t,a,n){var r=this;if(this.rafId_){this.cancelAnimationFrame(this.rafId_)}this.rafId_=this.requestAnimationFrame(function(){var i,s=r.player_.duration();if(r.player_.liveTracker&&r.player_.liveTracker.isLive()){var o=r.player_.liveTracker.liveWindow(),l=o-t*o;i=(1>l?"":"-")+Xe(l,o)}else{i=Xe(a,s)}r.update(e,t,i);if(n){n()}})};return t}(Qa);Qa.registerComponent("TimeTooltip",Ti);var bi=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Ra(Oa(Ja(n),n.update),Aa);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-play-progress vjs-slider-bar"},{"aria-hidden":"true"})};a.update=function(e,t){var a=this.getChild("timeTooltip");if(!a){return}var n=this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime();a.updateTime(e,t,n)};return t}(Qa);bi.prototype.options_={children:[]};if(!vn&&!ln){bi.prototype.options_.children.push("timeTooltip")}Qa.registerComponent("PlayProgressBar",bi);var vi=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Ra(Oa(Ja(n),n.update),Aa);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-mouse-display"})};a.update=function(e,t){var a=this,n=t*this.player_.duration();this.getChild("timeTooltip").updateTime(e,t,n,function(){a.el_.style.left=e.width*t+"px"})};return t}(Qa);vi.prototype.options_={children:["timeTooltip"]};Qa.registerComponent("MouseTimeDisplay",vi);var Si=12,ki=function(e){tn(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.setEventHandlers_();return n}var n=a.prototype;n.setEventHandlers_=function(){this.update_=Oa(this,this.update);this.update=Ra(this.update_,Aa);this.on(this.player_,["ended","durationchange","timeupdate"],this.update);if(this.player_.liveTracker){this.on(this.player_.liveTracker,"liveedgechange",this.update)}this.updateInterval=null;this.on(this.player_,["playing"],this.enableInterval_);this.on(this.player_,["ended","pause","waiting"],this.disableInterval_);if("hidden"in t&&"visibilityState"in t){this.on(t,"visibilitychange",this.toggleVisibility_)}};n.toggleVisibility_=function(a){if(t.hidden){this.disableInterval_(a)}else{this.enableInterval_();this.update()}};n.enableInterval_=function(){if(this.updateInterval){return}this.updateInterval=this.setInterval(this.update,Aa)};n.disableInterval_=function(t){if(this.player_.liveTracker&&this.player_.liveTracker.isLive()&&"ended"!==t.type){return}if(!this.updateInterval){return}this.clearInterval(this.updateInterval);this.updateInterval=null};n.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-progress-holder"},{"aria-label":this.localize("Progress Bar")})};n.update=function(){var t=this,a=e.prototype.update.call(this);this.requestAnimationFrame(function(){var e=t.player_.ended()?t.player_.duration():t.getCurrentTime_(),n=t.player_.liveTracker,r=t.player_.duration();if(n&&n.isLive()){r=t.player_.liveTracker.liveCurrentTime()}if(t.percent_!==a){t.el_.setAttribute("aria-valuenow",(100*a).toFixed(2));t.percent_=a}if(t.currentTime_!==e||t.duration_!==r){t.el_.setAttribute("aria-valuetext",t.localize("progress bar timing: currentTime={1} duration={2}",[Xe(e,r),Xe(r,r)],"{1} of {2}"));t.currentTime_=e;t.duration_=r}if(t.bar){t.bar.update(A(t.el()),t.getProgress())}});return a};n.getCurrentTime_=function(){return this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime()};n.getPercent=function(){var e=this.getCurrentTime_(),t,a=this.player_.liveTracker;if(a&&a.isLive()){t=(e-a.seekableStart())/a.liveWindow();if(a.atLiveEdge()){t=1}}else{t=e/this.player_.duration()}return t};n.handleMouseDown=function(t){if(!F(t)){return}t.stopPropagation();this.player_.scrubbing(!0);this.videoWasPlaying=!this.player_.paused();this.player_.pause();e.prototype.handleMouseDown.call(this,t)};n.handleMouseMove=function(e){if(!F(e)){return}var t,a=this.calculateDistance(e),n=this.player_.liveTracker;if(!n||!n.isLive()){t=a*this.player_.duration();if(t===this.player_.duration()){t=t-.1}}else{var r=n.seekableStart(),i=n.liveCurrentTime();t=r+a*n.liveWindow();if(t>=i){t=i}if(t<=r){t=r+.1}if(t===1/0){return}}this.player_.currentTime(t)};n.enable=function(){e.prototype.enable.call(this);var t=this.getChild("mouseTimeDisplay");if(!t){return}t.show()};n.disable=function(){e.prototype.disable.call(this);var t=this.getChild("mouseTimeDisplay");if(!t){return}t.hide()};n.handleMouseUp=function(t){e.prototype.handleMouseUp.call(this,t);if(t){t.stopPropagation()}this.player_.scrubbing(!1);this.player_.trigger({type:"timeupdate",target:this,manuallyTriggered:!0});if(this.videoWasPlaying){de(this.player_.play())}else{this.update_()}};n.stepForward=function(){this.player_.currentTime(this.player_.currentTime()+5)};n.stepBack=function(){this.player_.currentTime(this.player_.currentTime()-5)};n.handleAction=function(){if(this.player_.paused()){this.player_.play()}else{this.player_.pause()}};n.handleKeyDown=function(t){if(Rn.isEventKey(t,"Space")||Rn.isEventKey(t,"Enter")){t.preventDefault();t.stopPropagation();this.handleAction(t)}else if(Rn.isEventKey(t,"Home")){t.preventDefault();t.stopPropagation();this.player_.currentTime(0)}else if(Rn.isEventKey(t,"End")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.duration())}else if(/^[0-9]$/.test(Rn(t))){t.preventDefault();t.stopPropagation();var a=10*(Rn.codes[Rn(t)]-Rn.codes[0])/100;this.player_.currentTime(this.player_.duration()*a)}else if(Rn.isEventKey(t,"PgDn")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.currentTime()-5*Si)}else if(Rn.isEventKey(t,"PgUp")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.currentTime()+5*Si)}else{e.prototype.handleKeyDown.call(this,t)}};return a}(yi);ki.prototype.options_={children:["loadProgressBar","playProgressBar"],barName:"playProgressBar"};if(!vn&&!ln){ki.prototype.options_.children.splice(1,0,"mouseTimeDisplay")}Qa.registerComponent("SeekBar",ki);var Ci=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.handleMouseMove=Ra(Oa(Ja(n),n.handleMouseMove),Aa);n.throttledHandleMouseSeek=Ra(Oa(Ja(n),n.handleMouseSeek),Aa);n.enable();return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-progress-control vjs-control"})};a.handleMouseMove=function(e){var t=this.getChild("seekBar");if(!t){return}var a=t.getChild("playProgressBar"),n=t.getChild("mouseTimeDisplay");if(!a&&!n){return}var r=t.el(),i=A(r),s=R(r,e).x;s=gi(0,1,s);if(n){n.update(i,s)}if(a){a.update(i,t.getProgress())}};a.handleMouseSeek=function(e){var t=this.getChild("seekBar");if(t){t.handleMouseMove(e)}};a.enabled=function(){return this.enabled_};a.disable=function(){this.children().forEach(function(e){return e.disable&&e.disable()});if(!this.enabled()){return}this.off(["mousedown","touchstart"],this.handleMouseDown);this.off(this.el_,"mousemove",this.handleMouseMove);this.handleMouseUp();this.addClass("disabled");this.enabled_=!1};a.enable=function(){this.children().forEach(function(e){return e.enable&&e.enable()});if(this.enabled()){return}this.on(["mousedown","touchstart"],this.handleMouseDown);this.on(this.el_,"mousemove",this.handleMouseMove);this.removeClass("disabled");this.enabled_=!0};a.handleMouseDown=function(e){var t=this.el_.ownerDocument,a=this.getChild("seekBar");if(a){a.handleMouseDown(e)}this.on(t,"mousemove",this.throttledHandleMouseSeek);this.on(t,"touchmove",this.throttledHandleMouseSeek);this.on(t,"mouseup",this.handleMouseUp);this.on(t,"touchend",this.handleMouseUp)};a.handleMouseUp=function(e){var t=this.el_.ownerDocument,a=this.getChild("seekBar");if(a){a.handleMouseUp(e)}this.off(t,"mousemove",this.throttledHandleMouseSeek);this.off(t,"touchmove",this.throttledHandleMouseSeek);this.off(t,"mouseup",this.handleMouseUp);this.off(t,"touchend",this.handleMouseUp)};return t}(Qa);Ci.prototype.options_={children:["seekBar"]};Qa.registerComponent("ProgressControl",Ci);var Ei=function(e){tn(a,e);function a(a,n){var r=e.call(this,a,n)||this;r.on(a,["enterpictureinpicture","leavepictureinpicture"],r.handlePictureInPictureChange);if(!t.pictureInPictureEnabled){r.disable()}return r}var n=a.prototype;n.buildCSSClass=function(){return"vjs-picture-in-picture-control "+e.prototype.buildCSSClass.call(this)};n.handlePictureInPictureChange=function(){if(this.player_.isInPictureInPicture()){this.controlText("Exit Picture-in-Picture")}else{this.controlText("Picture-in-Picture")}};n.handleClick=function(){if(!this.player_.isInPictureInPicture()){this.player_.requestPictureInPicture()}else{this.player_.exitPictureInPicture()}};return a}(ti);Ei.prototype.controlText_="Picture-in-Picture";Qa.registerComponent("PictureInPictureToggle",Ei);var Ii=function(e){tn(a,e);function a(a,n){var r=e.call(this,a,n)||this;r.on(a,"fullscreenchange",r.handleFullscreenChange);if(!1===t[a.fsApi_.fullscreenEnabled]){r.disable()}return r}var n=a.prototype;n.buildCSSClass=function(){return"vjs-fullscreen-control "+e.prototype.buildCSSClass.call(this)};n.handleFullscreenChange=function(){if(this.player_.isFullscreen()){this.controlText("Non-Fullscreen")}else{this.controlText("Fullscreen")}};n.handleClick=function(){if(!this.player_.isFullscreen()){this.player_.requestFullscreen()}else{this.player_.exitFullscreen()}};return a}(ti);Ii.prototype.controlText_="Fullscreen";Qa.registerComponent("FullscreenToggle",Ii);var xi=function(e,t){if(t.tech_&&!t.tech_.featuresVolumeControl){e.addClass("vjs-hidden")}e.on(t,"loadstart",function(){if(!t.tech_.featuresVolumeControl){e.addClass("vjs-hidden")}else{e.removeClass("vjs-hidden")}})},Li=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-volume-level",innerHTML:"<span class=\"vjs-control-text\"></span>"})};return t}(Qa);Qa.registerComponent("VolumeLevel",Li);var Pi=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on("slideractive",n.updateLastVolume_);n.on(t,"volumechange",n.updateARIAAttributes);t.ready(function(){return n.updateARIAAttributes()});return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-volume-bar vjs-slider-bar"},{"aria-label":this.localize("Volume Level"),"aria-live":"polite"})};a.handleMouseDown=function(t){if(!F(t)){return}e.prototype.handleMouseDown.call(this,t)};a.handleMouseMove=function(e){if(!F(e)){return}this.checkMuted();this.player_.volume(this.calculateDistance(e))};a.checkMuted=function(){if(this.player_.muted()){this.player_.muted(!1)}};a.getPercent=function(){if(this.player_.muted()){return 0}return this.player_.volume()};a.stepForward=function(){this.checkMuted();this.player_.volume(this.player_.volume()+.1)};a.stepBack=function(){this.checkMuted();this.player_.volume(this.player_.volume()-.1)};a.updateARIAAttributes=function(){var e=this.player_.muted()?0:this.volumeAsPercentage_();this.el_.setAttribute("aria-valuenow",e);this.el_.setAttribute("aria-valuetext",e+"%")};a.volumeAsPercentage_=function(){return Math.round(100*this.player_.volume())};a.updateLastVolume_=function(){var e=this,t=this.player_.volume();this.one("sliderinactive",function(){if(0===e.player_.volume()){e.player_.lastVolume_(t)}})};return t}(yi);Pi.prototype.options_={children:["volumeLevel"],barName:"volumeLevel"};Pi.prototype.playerEvent="volumechange";Qa.registerComponent("VolumeBar",Pi);var Di=function(e){tn(t,e);function t(t,a){var n;if(void 0===a){a={}}a.vertical=a.vertical||!1;if("undefined"==typeof a.volumeBar||d(a.volumeBar)){a.volumeBar=a.volumeBar||{};a.volumeBar.vertical=a.vertical}n=e.call(this,t,a)||this;xi(Ja(n),t);n.throttledHandleMouseMove=Ra(Oa(Ja(n),n.handleMouseMove),Aa);n.on("mousedown",n.handleMouseDown);n.on("touchstart",n.handleMouseDown);n.on(n.volumeBar,["focus","slideractive"],function(){n.volumeBar.addClass("vjs-slider-active");n.addClass("vjs-slider-active");n.trigger("slideractive")});n.on(n.volumeBar,["blur","sliderinactive"],function(){n.volumeBar.removeClass("vjs-slider-active");n.removeClass("vjs-slider-active");n.trigger("sliderinactive")});return n}var a=t.prototype;a.createEl=function(){var t="vjs-volume-horizontal";if(this.options_.vertical){t="vjs-volume-vertical"}return e.prototype.createEl.call(this,"div",{className:"vjs-volume-control vjs-control "+t})};a.handleMouseDown=function(){var e=this.el_.ownerDocument;this.on(e,"mousemove",this.throttledHandleMouseMove);this.on(e,"touchmove",this.throttledHandleMouseMove);this.on(e,"mouseup",this.handleMouseUp);this.on(e,"touchend",this.handleMouseUp)};a.handleMouseUp=function(){var e=this.el_.ownerDocument;this.off(e,"mousemove",this.throttledHandleMouseMove);this.off(e,"touchmove",this.throttledHandleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchend",this.handleMouseUp)};a.handleMouseMove=function(e){this.volumeBar.handleMouseMove(e)};return t}(Qa);Di.prototype.options_={children:["volumeBar"]};Qa.registerComponent("VolumeControl",Di);var wi=function(e,t){if(t.tech_&&!t.tech_.featuresMuteControl){e.addClass("vjs-hidden")}e.on(t,"loadstart",function(){if(!t.tech_.featuresMuteControl){e.addClass("vjs-hidden")}else{e.removeClass("vjs-hidden")}})},Ai=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;wi(Ja(n),t);n.on(t,["loadstart","volumechange"],n.update);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-mute-control "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){var e=this.player_.volume(),t=this.player_.lastVolume_();if(0===e){var a=.1>t?.1:t;this.player_.volume(a);this.player_.muted(!1)}else{this.player_.muted(this.player_.muted()?!1:!0)}};a.update=function(){this.updateIcon_();this.updateControlText_()};a.updateIcon_=function(){var e=this.player_.volume(),t=3;if(vn&&this.player_.tech_&&this.player_.tech_.el_){this.player_.muted(this.player_.tech_.el_.muted)}if(0===e||this.player_.muted()){t=0}else if(.33>e){t=1}else if(.67>e){t=2}for(var a=0;4>a;a++){k(this.el_,"vjs-vol-"+a)}S(this.el_,"vjs-vol-"+t)};a.updateControlText_=function(){var e=this.player_.muted()||0===this.player_.volume(),t=e?"Unmute":"Mute";if(this.controlText()!==t){this.controlText(t)}};return t}(ti);Ai.prototype.controlText_="Mute";Qa.registerComponent("MuteToggle",Ai);var Oi=function(e){tn(a,e);function a(t,a){var n;if(void 0===a){a={}}if("undefined"!=typeof a.inline){a.inline=a.inline}else{a.inline=!0}if("undefined"==typeof a.volumeControl||d(a.volumeControl)){a.volumeControl=a.volumeControl||{};a.volumeControl.vertical=!a.inline}n=e.call(this,t,a)||this;n.on(t,["loadstart"],n.volumePanelState_);n.on(n.muteToggle,"keyup",n.handleKeyPress);n.on(n.volumeControl,"keyup",n.handleVolumeControlKeyUp);n.on("keydown",n.handleKeyPress);n.on("mouseover",n.handleMouseOver);n.on("mouseout",n.handleMouseOut);n.on(n.volumeControl,["slideractive"],n.sliderActive_);n.on(n.volumeControl,["sliderinactive"],n.sliderInactive_);return n}var n=a.prototype;n.sliderActive_=function(){this.addClass("vjs-slider-active")};n.sliderInactive_=function(){this.removeClass("vjs-slider-active")};n.volumePanelState_=function(){if(this.volumeControl.hasClass("vjs-hidden")&&this.muteToggle.hasClass("vjs-hidden")){this.addClass("vjs-hidden")}if(this.volumeControl.hasClass("vjs-hidden")&&!this.muteToggle.hasClass("vjs-hidden")){this.addClass("vjs-mute-toggle-only")}};n.createEl=function(){var t="vjs-volume-panel-horizontal";if(!this.options_.inline){t="vjs-volume-panel-vertical"}return e.prototype.createEl.call(this,"div",{className:"vjs-volume-panel vjs-control "+t})};n.dispose=function(){this.handleMouseOut();e.prototype.dispose.call(this)};n.handleVolumeControlKeyUp=function(e){if(Rn.isEventKey(e,"Esc")){this.muteToggle.focus()}};n.handleMouseOver=function(){this.addClass("vjs-hover");K(t,"keyup",Oa(this,this.handleKeyPress))};n.handleMouseOut=function(){this.removeClass("vjs-hover");Y(t,"keyup",Oa(this,this.handleKeyPress))};n.handleKeyPress=function(e){if(Rn.isEventKey(e,"Esc")){this.handleMouseOut()}};return a}(Qa);Oi.prototype.options_={children:["muteToggle","volumeControl"]};Qa.registerComponent("VolumePanel",Oi);var Ri=function(e){tn(a,e);function a(t,a){var n=e.call(this,t,a)||this;if(a){n.menuButton_=a.menuButton}n.focusedChild_=-1;n.on("keydown",n.handleKeyDown);n.boundHandleBlur_=Oa(Ja(n),n.handleBlur);n.boundHandleTapClick_=Oa(Ja(n),n.handleTapClick);return n}var n=a.prototype;n.addEventListenerForItem=function(e){if(!(e instanceof Qa)){return}this.on(e,"blur",this.boundHandleBlur_);this.on(e,["tap","click"],this.boundHandleTapClick_)};n.removeEventListenerForItem=function(e){if(!(e instanceof Qa)){return}this.off(e,"blur",this.boundHandleBlur_);this.off(e,["tap","click"],this.boundHandleTapClick_)};n.removeChild=function(t){if("string"==typeof t){t=this.getChild(t)}this.removeEventListenerForItem(t);e.prototype.removeChild.call(this,t)};n.addItem=function(e){var t=this.addChild(e);if(t){this.addEventListenerForItem(t)}};n.createEl=function(){var t=this.options_.contentElType||"ul";this.contentEl_=f(t,{className:"vjs-menu-content"});this.contentEl_.setAttribute("role","menu");var a=e.prototype.createEl.call(this,"div",{append:this.contentEl_,className:"vjs-menu"});a.appendChild(this.contentEl_);K(a,"click",function(e){e.preventDefault();e.stopImmediatePropagation()});return a};n.dispose=function(){this.contentEl_=null;this.boundHandleBlur_=null;this.boundHandleTapClick_=null;e.prototype.dispose.call(this)};n.handleBlur=function(e){var a=e.relatedTarget||t.activeElement;if(!this.children().some(function(e){return e.el()===a})){var n=this.menuButton_;if(n&&n.buttonPressed_&&a!==n.el().firstChild){n.unpressButton()}}};n.handleTapClick=function(e){if(this.menuButton_){this.menuButton_.unpressButton();var t=this.children();if(!Array.isArray(t)){return}var a=t.filter(function(t){return t.el()===e.target})[0];if(!a){return}if("CaptionSettingsMenuItem"!==a.name()){this.menuButton_.focus()}}};n.handleKeyDown=function(e){if(Rn.isEventKey(e,"Left")||Rn.isEventKey(e,"Down")){e.preventDefault();e.stopPropagation();this.stepForward()}else if(Rn.isEventKey(e,"Right")||Rn.isEventKey(e,"Up")){e.preventDefault();e.stopPropagation();this.stepBack()}};n.stepForward=function(){var e=0;if(this.focusedChild_!==void 0){e=this.focusedChild_+1}this.focus(e)};n.stepBack=function(){var e=0;if(this.focusedChild_!==void 0){e=this.focusedChild_-1}this.focus(e)};n.focus=function(e){if(void 0===e){e=0}var t=this.children().slice(),a=t.length&&t[0].className&&/vjs-menu-title/.test(t[0].className);if(a){t.shift()}if(0<t.length){if(0>e){e=0}else if(e>=t.length){e=t.length-1}this.focusedChild_=e;t[e].el_.focus()}};return a}(Qa);Qa.registerComponent("Menu",Ri);var Ni=function(e){tn(a,e);function a(a,n){var r;if(void 0===n){n={}}r=e.call(this,a,n)||this;r.menuButton_=new ti(a,n);r.menuButton_.controlText(r.controlText_);r.menuButton_.el_.setAttribute("aria-haspopup","true");var i=ti.prototype.buildCSSClass();r.menuButton_.el_.className=r.buildCSSClass()+" "+i;r.menuButton_.removeClass("vjs-control");r.addChild(r.menuButton_);r.update();r.enabled_=!0;r.on(r.menuButton_,"tap",r.handleClick);r.on(r.menuButton_,"click",r.handleClick);r.on(r.menuButton_,"keydown",r.handleKeyDown);r.on(r.menuButton_,"mouseenter",function(){r.addClass("vjs-hover");r.menu.show();K(t,"keyup",Oa(Ja(r),r.handleMenuKeyUp))});r.on("mouseleave",r.handleMouseLeave);r.on("keydown",r.handleSubmenuKeyDown);return r}var n=a.prototype;n.update=function(){var e=this.createMenu();if(this.menu){this.menu.dispose();this.removeChild(this.menu)}this.menu=e;this.addChild(e);this.buttonPressed_=!1;this.menuButton_.el_.setAttribute("aria-expanded","false");if(this.items&&this.items.length<=this.hideThreshold_){this.hide()}else{this.show()}};n.createMenu=function(){var e=new Ri(this.player_,{menuButton:this});this.hideThreshold_=0;if(this.options_.title){var t=f("li",{className:"vjs-menu-title",innerHTML:Xa(this.options_.title),tabIndex:-1});this.hideThreshold_+=1;var a=new Qa(this.player_,{el:t});e.addItem(a)}this.items=this.createItems();if(this.items){for(var n=0;n<this.items.length;n++){e.addItem(this.items[n])}}return e};n.createItems=function(){};n.createEl=function(){return e.prototype.createEl.call(this,"div",{className:this.buildWrapperCSSClass()},{})};n.buildWrapperCSSClass=function(){var t="vjs-menu-button";if(!0===this.options_.inline){t+="-inline"}else{t+="-popup"}var a=ti.prototype.buildCSSClass();return"vjs-menu-button "+t+" "+a+" "+e.prototype.buildCSSClass.call(this)};n.buildCSSClass=function(){var t="vjs-menu-button";if(!0===this.options_.inline){t+="-inline"}else{t+="-popup"}return"vjs-menu-button "+t+" "+e.prototype.buildCSSClass.call(this)};n.controlText=function(e,t){if(void 0===t){t=this.menuButton_.el()}return this.menuButton_.controlText(e,t)};n.dispose=function(){this.handleMouseLeave();e.prototype.dispose.call(this)};n.handleClick=function(){if(this.buttonPressed_){this.unpressButton()}else{this.pressButton()}};n.handleMouseLeave=function(){this.removeClass("vjs-hover");Y(t,"keyup",Oa(this,this.handleMenuKeyUp))};n.focus=function(){this.menuButton_.focus()};n.blur=function(){this.menuButton_.blur()};n.handleKeyDown=function(e){if(Rn.isEventKey(e,"Esc")||Rn.isEventKey(e,"Tab")){if(this.buttonPressed_){this.unpressButton()}if(!Rn.isEventKey(e,"Tab")){e.preventDefault();this.menuButton_.focus()}}else if(Rn.isEventKey(e,"Up")||Rn.isEventKey(e,"Down")){if(!this.buttonPressed_){e.preventDefault();this.pressButton()}}};n.handleMenuKeyUp=function(e){if(Rn.isEventKey(e,"Esc")||Rn.isEventKey(e,"Tab")){this.removeClass("vjs-hover")}};n.handleSubmenuKeyPress=function(e){this.handleSubmenuKeyDown(e)};n.handleSubmenuKeyDown=function(e){if(Rn.isEventKey(e,"Esc")||Rn.isEventKey(e,"Tab")){if(this.buttonPressed_){this.unpressButton()}if(!Rn.isEventKey(e,"Tab")){e.preventDefault();this.menuButton_.focus()}}};n.pressButton=function(){if(this.enabled_){this.buttonPressed_=!0;this.menu.show();this.menu.lockShowing();this.menuButton_.el_.setAttribute("aria-expanded","true");if(vn&&h()){return}this.menu.focus()}};n.unpressButton=function(){if(this.enabled_){this.buttonPressed_=!1;this.menu.unlockShowing();this.menu.hide();this.menuButton_.el_.setAttribute("aria-expanded","false")}};n.disable=function(){this.unpressButton();this.enabled_=!1;this.addClass("vjs-disabled");this.menuButton_.disable()};n.enable=function(){this.enabled_=!0;this.removeClass("vjs-disabled");this.menuButton_.enable()};return a}(Qa);Qa.registerComponent("MenuButton",Ni);var Ui=function(e){tn(t,e);function t(t,a){var n,r=a.tracks;n=e.call(this,t,a)||this;if(1>=n.items.length){n.hide()}if(!r){return Ja(n)}var i=Oa(Ja(n),n.update);r.addEventListener("removetrack",i);r.addEventListener("addtrack",i);n.player_.on("ready",i);n.player_.on("dispose",function(){r.removeEventListener("removetrack",i);r.removeEventListener("addtrack",i)});return n}return t}(Ni);Qa.registerComponent("TrackButton",Ui);var Mi=["Tab","Esc","Up","Down","Right","Left"],Bi=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.selectable=a.selectable;n.isSelected_=a.selected||!1;n.multiSelectable=a.multiSelectable;n.selected(n.isSelected_);if(n.selectable){if(n.multiSelectable){n.el_.setAttribute("role","menuitemcheckbox")}else{n.el_.setAttribute("role","menuitemradio")}}else{n.el_.setAttribute("role","menuitem")}return n}var a=t.prototype;a.createEl=function(t,a,n){this.nonIconControl=!0;return e.prototype.createEl.call(this,"li",o({className:"vjs-menu-item",innerHTML:"<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label)+"</span>",tabIndex:-1},a),n)};a.handleKeyDown=function(t){if(!Mi.some(function(e){return Rn.isEventKey(t,e)})){e.prototype.handleKeyDown.call(this,t)}};a.handleClick=function(){this.selected(!0)};a.selected=function(e){if(this.selectable){if(e){this.addClass("vjs-selected");this.el_.setAttribute("aria-checked","true");this.controlText(", selected");this.isSelected_=!0}else{this.removeClass("vjs-selected");this.el_.setAttribute("aria-checked","false");this.controlText("");this.isSelected_=!1}}};return t}(Xr);Qa.registerComponent("MenuItem",Bi);var ji=function(a){tn(n,a);function n(n,r){var i,s=r.track,o=n.textTracks();r.label=s.label||s.language||"Unknown";r.selected="showing"===s.mode;i=a.call(this,n,r)||this;i.track=s;i.kinds=(r.kinds||[r.kind||i.track.kind]).filter(Boolean);var l=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}i.handleTracksChange.apply(Ja(i),t)},d=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}i.handleSelectedLanguageChange.apply(Ja(i),t)};n.on(["loadstart","texttrackchange"],l);o.addEventListener("change",l);o.addEventListener("selectedlanguagechange",d);i.on("dispose",function(){n.off(["loadstart","texttrackchange"],l);o.removeEventListener("change",l);o.removeEventListener("selectedlanguagechange",d)});if(o.onchange===void 0){var p;i.on(["tap","click"],function(){if("object"!==_typeof2(e.Event)){try{p=new e.Event("change")}catch(e){}}if(!p){p=t.createEvent("Event");p.initEvent("change",!0,!0)}o.dispatchEvent(p)})}i.handleTracksChange();return i}var r=n.prototype;r.handleClick=function(e){var t=this.track,n=this.player_.textTracks();a.prototype.handleClick.call(this,e);if(!n){return}for(var r=0,s;r<n.length;r++){s=n[r];if(-1===this.kinds.indexOf(s.kind)){continue}if(s===t){if("showing"!==s.mode){s.mode="showing"}}else if("disabled"!==s.mode){s.mode="disabled"}}};r.handleTracksChange=function(){var e="showing"===this.track.mode;if(e!==this.isSelected_){this.selected(e)}};r.handleSelectedLanguageChange=function(){if("showing"===this.track.mode){var e=this.player_.cache_.selectedLanguage;if(e&&e.enabled&&e.language===this.track.language&&e.kind!==this.track.kind){return}this.player_.cache_.selectedLanguage={enabled:!0,language:this.track.language,kind:this.track.kind}}};r.dispose=function(){this.track=null;a.prototype.dispose.call(this)};return n}(Bi);Qa.registerComponent("TextTrackMenuItem",ji);var Fi=function(e){tn(t,e);function t(t,a){a.track={player:t,kind:a.kind,kinds:a.kinds,default:!1,mode:"disabled"};if(!a.kinds){a.kinds=[a.kind]}if(a.label){a.track.label=a.label}else{a.track.label=a.kinds.join(" and ")+" off"}a.selectable=!0;a.multiSelectable=!1;return e.call(this,t,a)||this}var a=t.prototype;a.handleTracksChange=function(){for(var e=this.player().textTracks(),t=!0,a=0,n=e.length,r;a<n;a++){r=e[a];if(-1<this.options_.kinds.indexOf(r.kind)&&"showing"===r.mode){t=!1;break}}if(t!==this.isSelected_){this.selected(t)}};a.handleSelectedLanguageChange=function(){for(var e=this.player().textTracks(),t=!0,a=0,n=e.length,r;a<n;a++){r=e[a];if(-1<["captions","descriptions","subtitles"].indexOf(r.kind)&&"showing"===r.mode){t=!1;break}}if(t){this.player_.cache_.selectedLanguage={enabled:!1}}};return t}(ji);Qa.registerComponent("OffTextTrackMenuItem",Fi);var Hi=function(e){tn(t,e);function t(t,a){if(void 0===a){a={}}a.tracks=t.textTracks();return e.call(this,t,a)||this}var a=t.prototype;a.createItems=function(e,t){if(void 0===e){e=[]}if(void 0===t){t=ji}var a;if(this.label_){a=this.label_+" off"}e.push(new Fi(this.player_,{kinds:this.kinds_,kind:this.kind_,label:a}));this.hideThreshold_+=1;var n=this.player_.textTracks();if(!Array.isArray(this.kinds_)){this.kinds_=[this.kind_]}for(var r=0,s;r<n.length;r++){s=n[r];if(-1<this.kinds_.indexOf(s.kind)){var o=new t(this.player_,{track:s,kinds:this.kinds_,kind:this.kind_,selectable:!0,multiSelectable:!1});o.addClass("vjs-"+s.kind+"-menu-item");e.push(o)}}return e};return t}(Ui);Qa.registerComponent("TextTrackButton",Hi);var qi=function(e){tn(t,e);function t(t,a){var n,r=a.track,i=a.cue,s=t.currentTime();a.selectable=!0;a.multiSelectable=!1;a.label=i.text;a.selected=i.startTime<=s&&s<i.endTime;n=e.call(this,t,a)||this;n.track=r;n.cue=i;r.addEventListener("cuechange",Oa(Ja(n),n.update));return n}var a=t.prototype;a.handleClick=function(){e.prototype.handleClick.call(this);this.player_.currentTime(this.cue.startTime);this.update(this.cue.startTime)};a.update=function(){var e=this.cue,t=this.player_.currentTime();this.selected(e.startTime<=t&&t<e.endTime)};return t}(Bi);Qa.registerComponent("ChaptersTrackMenuItem",qi);var Vi=function(e){tn(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-chapters-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-chapters-button "+e.prototype.buildWrapperCSSClass.call(this)};a.update=function(t){if(!this.track_||t&&("addtrack"===t.type||"removetrack"===t.type)){this.setTrack(this.findChaptersTrack())}e.prototype.update.call(this)};a.setTrack=function(e){if(this.track_===e){return}if(!this.updateHandler_){this.updateHandler_=this.update.bind(this)}if(this.track_){var t=this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);if(t){t.removeEventListener("load",this.updateHandler_)}this.track_=null}this.track_=e;if(this.track_){this.track_.mode="hidden";var a=this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);if(a){a.addEventListener("load",this.updateHandler_)}}};a.findChaptersTrack=function(){for(var e=this.player_.textTracks()||[],t=e.length-1,a;0<=t;t--){a=e[t];if(a.kind===this.kind_){return a}}};a.getMenuCaption=function(){if(this.track_&&this.track_.label){return this.track_.label}return this.localize(Xa(this.kind_))};a.createMenu=function(){this.options_.title=this.getMenuCaption();return e.prototype.createMenu.call(this)};a.createItems=function(){var e=[];if(!this.track_){return e}var t=this.track_.cues;if(!t){return e}for(var a=0,n=t.length;a<n;a++){var r=t[a],s=new qi(this.player_,{track:this.track_,cue:r});e.push(s)}return e};return t}(Hi);Vi.prototype.kind_="chapters";Vi.prototype.controlText_="Chapters";Qa.registerComponent("ChaptersButton",Vi);var Wi=function(e){tn(t,e);function t(t,a,n){var r=e.call(this,t,a,n)||this;var i=t.textTracks(),s=Oa(Ja(r),r.handleTracksChange);i.addEventListener("change",s);r.on("dispose",function(){i.removeEventListener("change",s)});return r}var a=t.prototype;a.handleTracksChange=function(){for(var e=this.player().textTracks(),t=!1,a=0,n=e.length,r;a<n;a++){r=e[a];if(r.kind!==this.kind_&&"showing"===r.mode){t=!0;break}}if(t){this.disable()}else{this.enable()}};a.buildCSSClass=function(){return"vjs-descriptions-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-descriptions-button "+e.prototype.buildWrapperCSSClass.call(this)};return t}(Hi);Wi.prototype.kind_="descriptions";Wi.prototype.controlText_="Descriptions";Qa.registerComponent("DescriptionsButton",Wi);var zi=function(e){tn(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-subtitles-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-subtitles-button "+e.prototype.buildWrapperCSSClass.call(this)};return t}(Hi);zi.prototype.kind_="subtitles";zi.prototype.controlText_="Subtitles";Qa.registerComponent("SubtitlesButton",zi);var Gi=function(e){tn(t,e);function t(t,a){var n;a.track={player:t,kind:a.kind,label:a.kind+" settings",selectable:!1,default:!1,mode:"disabled"};a.selectable=!1;a.name="CaptionSettingsMenuItem";n=e.call(this,t,a)||this;n.addClass("vjs-texttrack-settings");n.controlText(", opens "+a.kind+" settings dialog");return n}var a=t.prototype;a.handleClick=function(){this.player().getChild("textTrackSettings").open()};return t}(ji);Qa.registerComponent("CaptionSettingsMenuItem",Gi);var Ki=function(e){tn(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-captions-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-captions-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(){var t=[];if(!(this.player().tech_&&this.player().tech_.featuresNativeTextTracks)&&this.player().getChild("textTrackSettings")){t.push(new Gi(this.player_,{kind:this.kind_}));this.hideThreshold_+=1}return e.prototype.createItems.call(this,t)};return t}(Hi);Ki.prototype.kind_="captions";Ki.prototype.controlText_="Captions";Qa.registerComponent("CaptionsButton",Ki);var Yi=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(t,a,n){var r="<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label);if("captions"===this.options_.track.kind){r+="\n        <span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>\n        <span class=\"vjs-control-text\"> "+this.localize("Captions")+"</span>\n      "}r+="</span>";var i=e.prototype.createEl.call(this,t,o({innerHTML:r},a),n);return i};return t}(ji);Qa.registerComponent("SubsCapsMenuItem",Yi);var Xi=function(e){tn(t,e);function t(t,a){var n;if(void 0===a){a={}}n=e.call(this,t,a)||this;n.label_="subtitles";if(-1<["en","en-us","en-ca","fr-ca"].indexOf(n.player_.language_)){n.label_="captions"}n.menuButton_.controlText(Xa(n.label_));return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-subs-caps-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-subs-caps-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(){var t=[];if(!(this.player().tech_&&this.player().tech_.featuresNativeTextTracks)&&this.player().getChild("textTrackSettings")){t.push(new Gi(this.player_,{kind:this.label_}));this.hideThreshold_+=1}t=e.prototype.createItems.call(this,t,Yi);return t};return t}(Hi);Xi.prototype.kinds_=["captions","subtitles"];Xi.prototype.controlText_="Subtitles";Qa.registerComponent("SubsCapsButton",Xi);var $i=function(e){tn(t,e);function t(t,a){var n,r=a.track,i=t.audioTracks();a.label=r.label||r.language||"Unknown";a.selected=r.enabled;n=e.call(this,t,a)||this;n.track=r;n.addClass("vjs-"+r.kind+"-menu-item");var s=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}n.handleTracksChange.apply(Ja(n),t)};i.addEventListener("change",s);n.on("dispose",function(){i.removeEventListener("change",s)});return n}var a=t.prototype;a.createEl=function(t,a,n){var r="<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label);if("main-desc"===this.options_.track.kind){r+="\n        <span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>\n        <span class=\"vjs-control-text\"> "+this.localize("Descriptions")+"</span>\n      "}r+="</span>";var i=e.prototype.createEl.call(this,t,o({innerHTML:r},a),n);return i};a.handleClick=function(t){var a=this.player_.audioTracks();e.prototype.handleClick.call(this,t);for(var n=0,r;n<a.length;n++){r=a[n];r.enabled=r===this.track}};a.handleTracksChange=function(){this.selected(this.track.enabled)};return t}(Bi);Qa.registerComponent("AudioTrackMenuItem",$i);var Qi=function(e){tn(t,e);function t(t,a){if(void 0===a){a={}}a.tracks=t.audioTracks();return e.call(this,t,a)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-audio-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-audio-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(e){if(void 0===e){e=[]}this.hideThreshold_=1;for(var t=this.player_.audioTracks(),a=0,n;a<t.length;a++){n=t[a];e.push(new $i(this.player_,{track:n,selectable:!0,multiSelectable:!1}))}return e};return t}(Ui);Qi.prototype.controlText_="Audio Track";Qa.registerComponent("AudioTrackButton",Qi);var Ji=function(e){tn(t,e);function t(t,a){var n,r=a.rate,i=parseFloat(r,10);a.label=r;a.selected=1===i;a.selectable=!0;a.multiSelectable=!1;n=e.call(this,t,a)||this;n.label=r;n.rate=i;n.on(t,"ratechange",n.update);return n}var a=t.prototype;a.handleClick=function(){e.prototype.handleClick.call(this);this.player().playbackRate(this.rate)};a.update=function(){this.selected(this.player().playbackRate()===this.rate)};return t}(Bi);Ji.prototype.contentElType="button";Qa.registerComponent("PlaybackRateMenuItem",Ji);var Zi=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateVisibility();n.updateLabel();n.on(t,"loadstart",n.updateVisibility);n.on(t,"ratechange",n.updateLabel);return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this);this.labelEl_=f("div",{className:"vjs-playback-rate-value",innerHTML:"1x"});t.appendChild(this.labelEl_);return t};a.dispose=function(){this.labelEl_=null;e.prototype.dispose.call(this)};a.buildCSSClass=function(){return"vjs-playback-rate "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-playback-rate "+e.prototype.buildWrapperCSSClass.call(this)};a.createMenu=function(){var e=new Ri(this.player()),t=this.playbackRates();if(t){for(var a=t.length-1;0<=a;a--){e.addChild(new Ji(this.player(),{rate:t[a]+"x"}))}}return e};a.updateARIAAttributes=function(){this.el().setAttribute("aria-valuenow",this.player().playbackRate())};a.handleClick=function(){for(var e=this.player().playbackRate(),t=this.playbackRates(),a=t[0],n=0;n<t.length;n++){if(t[n]>e){a=t[n];break}}this.player().playbackRate(a)};a.playbackRates=function(){return this.options_.playbackRates||this.options_.playerOptions&&this.options_.playerOptions.playbackRates};a.playbackRateSupported=function(){return this.player().tech_&&this.player().tech_.featuresPlaybackRate&&this.playbackRates()&&0<this.playbackRates().length};a.updateVisibility=function(){if(this.playbackRateSupported()){this.removeClass("vjs-hidden")}else{this.addClass("vjs-hidden")}};a.updateLabel=function(){if(this.playbackRateSupported()){this.labelEl_.innerHTML=this.player().playbackRate()+"x"}};return t}(Ni);Zi.prototype.controlText_="Playback Rate";Qa.registerComponent("PlaybackRateMenuButton",Zi);var es=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-spacer "+e.prototype.buildCSSClass.call(this)};a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:this.buildCSSClass()})};return t}(Qa);Qa.registerComponent("Spacer",es);var ts=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-custom-control-spacer "+e.prototype.buildCSSClass.call(this)};a.createEl=function(){var t=e.prototype.createEl.call(this,{className:this.buildCSSClass()});t.innerHTML="\xA0";return t};return t}(es);Qa.registerComponent("CustomControlSpacer",ts);var as=function(e){tn(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-control-bar",dir:"ltr"})};return t}(Qa);as.prototype.options_={children:["playToggle","volumePanel","currentTimeDisplay","timeDivider","durationDisplay","progressControl","liveDisplay","seekToLive","remainingTimeDisplay","customControlSpacer","playbackRateMenuButton","chaptersButton","descriptionsButton","subsCapsButton","audioTrackButton","fullscreenToggle"]};if("exitPictureInPicture"in t){as.prototype.options_.children.splice(as.prototype.options_.children.length-1,0,"pictureInPictureToggle")}Qa.registerComponent("ControlBar",as);var ns=function(e){tn(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"error",n.open);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-error-display "+e.prototype.buildCSSClass.call(this)};a.content=function(){var e=this.player().error();return e?this.localize(e.message):""};return t}(Hn);ns.prototype.options_=ya({},Hn.prototype.options_,{pauseOnOpen:!1,fillAlways:!0,temporary:!1,uncloseable:!0});Qa.registerComponent("ErrorDisplay",ns);var rs=["#000","Black"],is=["#00F","Blue"],ss=["#0FF","Cyan"],os=["#0F0","Green"],ls=["#F0F","Magenta"],ds=["#F00","Red"],ps=["#FFF","White"],us=["#FF0","Yellow"],cs=["1","Opaque"],ms=["0.5","Semi-Transparent"],gs=["0","Transparent"],ys={backgroundColor:{selector:".vjs-bg-color > select",id:"captions-background-color-%s",label:"Color",options:[rs,ps,ds,os,is,us,ls,ss]},backgroundOpacity:{selector:".vjs-bg-opacity > select",id:"captions-background-opacity-%s",label:"Transparency",options:[cs,ms,gs]},color:{selector:".vjs-fg-color > select",id:"captions-foreground-color-%s",label:"Color",options:[ps,rs,ds,os,is,us,ls,ss]},edgeStyle:{selector:".vjs-edge-style > select",id:"%s",label:"Text Edge Style",options:[["none","None"],["raised","Raised"],["depressed","Depressed"],["uniform","Uniform"],["dropshadow","Dropshadow"]]},fontFamily:{selector:".vjs-font-family > select",id:"captions-font-family-%s",label:"Font Family",options:[["proportionalSansSerif","Proportional Sans-Serif"],["monospaceSansSerif","Monospace Sans-Serif"],["proportionalSerif","Proportional Serif"],["monospaceSerif","Monospace Serif"],["casual","Casual"],["script","Script"],["small-caps","Small Caps"]]},fontPercent:{selector:".vjs-font-percent > select",id:"captions-font-size-%s",label:"Font Size",options:[["0.50","50%"],["0.75","75%"],["1.00","100%"],["1.25","125%"],["1.50","150%"],["1.75","175%"],["2.00","200%"],["3.00","300%"],["4.00","400%"]],default:2,parser:function(e){return"1.00"===e?null:+e}},textOpacity:{selector:".vjs-text-opacity > select",id:"captions-foreground-opacity-%s",label:"Transparency",options:[cs,ms]},windowColor:{selector:".vjs-window-color > select",id:"captions-window-color-%s",label:"Color"},windowOpacity:{selector:".vjs-window-opacity > select",id:"captions-window-opacity-%s",label:"Transparency",options:[gs,ms,cs]}};ys.windowColor.options=ys.backgroundColor.options;function $e(e,t){if(t){e=t(e)}if(e&&"none"!==e){return e}}function Qe(e,t){var a=e.options[e.options.selectedIndex].value;return $e(a,t)}function Je(e,t,a){if(!t){return}for(var n=0;n<e.options.length;n++){if($e(e.options[n].value,a)===t){e.selectedIndex=n;break}}}var hs=function(t){tn(a,t);function a(e,a){var n;a.temporary=!1;n=t.call(this,e,a)||this;n.updateDisplay=Oa(Ja(n),n.updateDisplay);n.fill();n.hasBeenOpened_=n.hasBeenFilled_=!0;n.endDialog=f("p",{className:"vjs-control-text",textContent:n.localize("End of dialog window.")});n.el().appendChild(n.endDialog);n.setDefaults();if(a.persistTextTrackSettings===void 0){n.options_.persistTextTrackSettings=n.options_.playerOptions.persistTextTrackSettings}n.on(n.$(".vjs-done-button"),"click",function(){n.saveSettings();n.close()});n.on(n.$(".vjs-default-button"),"click",function(){n.setDefaults();n.updateDisplay()});r(ys,function(e){n.on(n.$(e.selector),"change",n.updateDisplay)});if(n.options_.persistTextTrackSettings){n.restoreSettings()}return n}var n=a.prototype;n.dispose=function(){this.endDialog=null;t.prototype.dispose.call(this)};n.createElSelect_=function(e,t,a){var n=this;if(void 0===t){t=""}if(void 0===a){a="label"}var r=ys[e],i=r.id.replace("%s",this.id_),s=[t,i].join(" ").trim();return["<"+a+" id=\""+i+"\" class=\""+("label"===a?"vjs-label":"")+"\">",this.localize(r.label),"</"+a+">","<select aria-labelledby=\""+s+"\">"].concat(r.options.map(function(e){var t=i+"-"+e[1].replace(/\W+/g,"");return["<option id=\""+t+"\" value=\""+e[0]+"\" ","aria-labelledby=\""+s+" "+t+"\">",n.localize(e[1]),"</option>"].join("")})).concat("</select>").join("")};n.createElFgColor_=function(){var e="captions-text-legend-"+this.id_;return["<fieldset class=\"vjs-fg-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Text"),"</legend>",this.createElSelect_("color",e),"<span class=\"vjs-text-opacity vjs-opacity\">",this.createElSelect_("textOpacity",e),"</span>","</fieldset>"].join("")};n.createElBgColor_=function(){var e="captions-background-"+this.id_;return["<fieldset class=\"vjs-bg-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Background"),"</legend>",this.createElSelect_("backgroundColor",e),"<span class=\"vjs-bg-opacity vjs-opacity\">",this.createElSelect_("backgroundOpacity",e),"</span>","</fieldset>"].join("")};n.createElWinColor_=function(){var e="captions-window-"+this.id_;return["<fieldset class=\"vjs-window-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Window"),"</legend>",this.createElSelect_("windowColor",e),"<span class=\"vjs-window-opacity vjs-opacity\">",this.createElSelect_("windowOpacity",e),"</span>","</fieldset>"].join("")};n.createElColors_=function(){return f("div",{className:"vjs-track-settings-colors",innerHTML:[this.createElFgColor_(),this.createElBgColor_(),this.createElWinColor_()].join("")})};n.createElFont_=function(){return f("div",{className:"vjs-track-settings-font",innerHTML:["<fieldset class=\"vjs-font-percent vjs-track-setting\">",this.createElSelect_("fontPercent","","legend"),"</fieldset>","<fieldset class=\"vjs-edge-style vjs-track-setting\">",this.createElSelect_("edgeStyle","","legend"),"</fieldset>","<fieldset class=\"vjs-font-family vjs-track-setting\">",this.createElSelect_("fontFamily","","legend"),"</fieldset>"].join("")})};n.createElControls_=function(){var e=this.localize("restore all settings to the default values");return f("div",{className:"vjs-track-settings-controls",innerHTML:["<button type=\"button\" class=\"vjs-default-button\" title=\""+e+"\">",this.localize("Reset"),"<span class=\"vjs-control-text\"> "+e+"</span>","</button>","<button type=\"button\" class=\"vjs-done-button\">"+this.localize("Done")+"</button>"].join("")})};n.content=function(){return[this.createElColors_(),this.createElFont_(),this.createElControls_()]};n.label=function(){return this.localize("Caption Settings Dialog")};n.description=function(){return this.localize("Beginning of dialog window. Escape will cancel and close the window.")};n.buildCSSClass=function(){return t.prototype.buildCSSClass.call(this)+" vjs-text-track-settings"};n.getValues=function(){var e=this;return s(ys,function(t,a,n){var r=Qe(e.$(a.selector),a.parser);if(r!==void 0){t[n]=r}return t},{})};n.setValues=function(e){var t=this;r(ys,function(a,n){Je(t.$(a.selector),e[n],a.parser)})};n.setDefaults=function(){var e=this;r(ys,function(t){var a=t.hasOwnProperty("default")?t["default"]:0;e.$(t.selector).selectedIndex=a})};n.restoreSettings=function(){var t;try{t=JSON.parse(e.localStorage.getItem("vjs-text-track-settings"))}catch(e){ma.warn(e)}if(t){this.setValues(t)}};n.saveSettings=function(){if(!this.options_.persistTextTrackSettings){return}var t=this.getValues();try{if(Object.keys(t).length){e.localStorage.setItem("vjs-text-track-settings",JSON.stringify(t))}else{e.localStorage.removeItem("vjs-text-track-settings")}}catch(e){ma.warn(e)}};n.updateDisplay=function(){var e=this.player_.getChild("textTrackDisplay");if(e){e.updateDisplay()}};n.conditionalBlur_=function(){this.previouslyActiveEl_=null;var e=this.player_.controlBar,t=e&&e.subsCapsButton,a=e&&e.captionsButton;if(t){t.focus()}else if(a){a.focus()}};return a}(Hn);Qa.registerComponent("TextTrackSettings",hs);var _s=function(t){tn(a,t);function a(a,n){var r,i=n.ResizeObserver||e.ResizeObserver;if(null===n.ResizeObserver){i=!1}var s=te({createEl:!i,reportTouchActivity:!1},n);r=t.call(this,a,s)||this;r.ResizeObserver=n.ResizeObserver||e.ResizeObserver;r.loadListener_=null;r.resizeObserver_=null;r.debouncedHandler_=Na(function(){r.resizeHandler()},100,!1,Ja(r));if(i){r.resizeObserver_=new r.ResizeObserver(r.debouncedHandler_);r.resizeObserver_.observe(a.el())}else{r.loadListener_=function(){if(!r.el_||!r.el_.contentWindow){return}var e=r.debouncedHandler_,t=r.unloadListener_=function(){Y(this,"resize",e);Y(this,"unload",t);t=null};K(r.el_.contentWindow,"unload",t);K(r.el_.contentWindow,"resize",e)};r.one("load",r.loadListener_)}return r}var n=a.prototype;n.createEl=function(){return t.prototype.createEl.call(this,"iframe",{className:"vjs-resize-manager",tabIndex:-1},{"aria-hidden":"true"})};n.resizeHandler=function(){if(!this.player_||!this.player_.trigger){return}this.player_.trigger("playerresize")};n.dispose=function(){if(this.debouncedHandler_){this.debouncedHandler_.cancel()}if(this.resizeObserver_){if(this.player_.el()){this.resizeObserver_.unobserve(this.player_.el())}this.resizeObserver_.disconnect()}if(this.loadListener_){this.off("load",this.loadListener_)}if(this.el_&&this.el_.contentWindow&&this.unloadListener_){this.unloadListener_.call(this.el_.contentWindow)}this.ResizeObserver=null;this.resizeObserver=null;this.debouncedHandler_=null;this.loadListener_=null;t.prototype.dispose.call(this)};return a}(Qa);Qa.registerComponent("ResizeManager",_s);var fs=function(e){var t=Math.floor(e.length/2),a=[].concat(e).sort(function(e,t){return e-t});return 0!=e.length%2?a[t]:(a[t-1]+a[t])/2},Ts={trackingThreshold:30},bs=function(e){tn(a,e);function a(a,n){var r,i=te(Ts,n,{createEl:!1});r=e.call(this,a,i)||this;r.reset_();r.on(r.player_,"durationchange",r.handleDurationchange);if(yn&&"hidden"in t&&"visibilityState"in t){r.on(t,"visibilitychange",r.handleVisibilityChange)}return r}var n=a.prototype;n.handleVisibilityChange=function(){if(this.player_.duration()!==1/0){return}if(t.hidden){this.stopTracking()}else{this.startTracking()}};n.isBehind_=function(){if(!this.timeupdateSeen_){return!1}var e=this.liveCurrentTime(),t=this.player_.currentTime(),a=2*this.seekableIncrement_+.07;return e!==1/0&&e-a>=t};n.trackLive_=function(){this.pastSeekEnd_=this.pastSeekEnd_;var e=this.player_.seekable();if(!e||!e.length){return}var t=this.seekableEnd();if(t!==this.lastSeekEnd_){if(this.lastSeekEnd_){this.seekableIncrementList_=this.seekableIncrementList_.slice(-11);this.seekableIncrementList_.push(Math.abs(t-this.lastSeekEnd_));if(3<this.seekableIncrementList_.length){this.seekableIncrement_=fs(this.seekableIncrementList_)}}this.pastSeekEnd_=0;this.lastSeekEnd_=t;this.trigger("seekableendchange")}if(this.pastSeekEnd()>1.5*this.seekableIncrement_){this.pastSeekEnd_=0}else{this.pastSeekEnd_=this.pastSeekEnd()+.03}if(this.isBehind_()!==this.behindLiveEdge()){this.behindLiveEdge_=this.isBehind_();this.trigger("liveedgechange")}};n.handleDurationchange=function(){if(this.player_.duration()===1/0&&this.liveWindow()>=this.options_.trackingThreshold){if(this.player_.options_.liveui){this.player_.addClass("vjs-liveui")}this.startTracking()}else{this.player_.removeClass("vjs-liveui");this.stopTracking()}};n.startTracking=function(){var e=this;if(this.isTracking()){return}if(!this.timeupdateSeen_){this.timeupdateSeen_=this.player_.hasStarted()}this.trackingInterval_=this.setInterval(this.trackLive_,Aa);this.trackLive_();this.on(this.player_,"play",this.trackLive_);this.on(this.player_,"pause",this.trackLive_);if(!this.timeupdateSeen_){this.one(this.player_,"play",this.handlePlay);this.handleTimeupdate=function(){e.timeupdateSeen_=!0;e.handleTimeupdate=null};this.one(this.player_,"timeupdate",this.handleTimeupdate)}};n.handlePlay=function(){this.one(this.player_,"timeupdate",this.seekToLiveEdge)};n.reset_=function(){this.pastSeekEnd_=0;this.lastSeekEnd_=null;this.behindLiveEdge_=null;this.timeupdateSeen_=!1;this.clearInterval(this.trackingInterval_);this.trackingInterval_=null;this.seekableIncrement_=12;this.seekableIncrementList_=[];this.off(this.player_,"play",this.trackLive_);this.off(this.player_,"pause",this.trackLive_);this.off(this.player_,"play",this.handlePlay);this.off(this.player_,"timeupdate",this.seekToLiveEdge);if(this.handleTimeupdate){this.off(this.player_,"timeupdate",this.handleTimeupdate);this.handleTimeupdate=null}};n.stopTracking=function(){if(!this.isTracking()){return}this.reset_()};n.seekableEnd=function(){var e=this.player_.seekable(),t=[],a=e?e.length:0;while(a--){t.push(e.end(a))}return t.length?t.sort()[t.length-1]:1/0};n.seekableStart=function(){var e=this.player_.seekable(),t=[],a=e?e.length:0;while(a--){t.push(e.start(a))}return t.length?t.sort()[0]:0};n.liveWindow=function(){var e=this.liveCurrentTime();if(e===1/0){return 1/0}return e-this.seekableStart()};n.isLive=function(){return this.isTracking()};n.atLiveEdge=function(){return!this.behindLiveEdge()};n.liveCurrentTime=function(){return this.pastSeekEnd()+this.seekableEnd()};n.pastSeekEnd=function(){return this.pastSeekEnd_};n.behindLiveEdge=function(){return this.behindLiveEdge_};n.isTracking=function(){return"number"==typeof this.trackingInterval_};n.seekToLiveEdge=function(){if(this.atLiveEdge()){return}this.player_.currentTime(this.liveCurrentTime());if(this.player_.paused()){this.player_.play()}};n.dispose=function(){this.stopTracking();e.prototype.dispose.call(this)};return a}(Qa);Qa.registerComponent("LiveTracker",bs);var vs=function(e){var t=e.el();if(t.hasAttribute("src")){e.triggerSourceset(t.src);return!0}var a=e.$$("source"),n=[],r="";if(!a.length){return!1}for(var s=0,o;s<a.length;s++){o=a[s].src;if(o&&-1===n.indexOf(o)){n.push(o)}}if(!n.length){return!1}if(1===n.length){r=n[0]}e.triggerSourceset(r);return!0},Ss=Object.defineProperty({},"innerHTML",{get:function(){return this.cloneNode(!0).innerHTML},set:function(a){var n=t.createElement(this.nodeName.toLowerCase());n.innerHTML=a;var r=t.createDocumentFragment();while(n.childNodes.length){r.appendChild(n.childNodes[0])}this.innerText="";e.Element.prototype.appendChild.call(this,r);return this.innerHTML}}),ks=function(e,t){for(var a={},n=0;n<e.length;n++){a=Object.getOwnPropertyDescriptor(e[n],t);if(a&&a.set&&a.get){break}}a.enumerable=!0;a.configurable=!0;return a},Cs=function(t){return ks([t.el(),e.HTMLMediaElement.prototype,e.Element.prototype,Ss],"innerHTML")},Es=function(e){var t=e.el();if(t.resetSourceWatch_){return}var a={},n=Cs(e),r=function(a){return function(){for(var n=arguments.length,r=Array(n),i=0;i<n;i++){r[i]=arguments[i]}var s=a.apply(t,r);vs(e);return s}};["append","appendChild","insertAdjacentHTML"].forEach(function(e){if(!t[e]){return}a[e]=t[e];t[e]=r(a[e])});Object.defineProperty(t,"innerHTML",te(n,{set:r(n.set)}));t.resetSourceWatch_=function(){t.resetSourceWatch_=null;Object.keys(a).forEach(function(e){t[e]=a[e]});Object.defineProperty(t,"innerHTML",n)};e.one("sourceset",t.resetSourceWatch_)},Is=Object.defineProperty({},"src",{get:function(){if(this.hasAttribute("src")){return nr(e.Element.prototype.getAttribute.call(this,"src"))}return""},set:function(t){e.Element.prototype.setAttribute.call(this,"src",t);return t}}),xs=function(t){return ks([t.el(),e.HTMLMediaElement.prototype,Is],"src")},Ls=function(e){if(!e.featuresSourceset){return}var t=e.el();if(t.resetSourceset_){return}var a=xs(e),r=t.setAttribute,i=t.load;Object.defineProperty(t,"src",te(a,{set:function(n){var r=a.set.call(t,n);e.triggerSourceset(t.src);return r}}));t.setAttribute=function(a,n){var i=r.call(t,a,n);if(/src/i.test(a)){e.triggerSourceset(t.src)}return i};t.load=function(){var a=i.call(t);if(!vs(e)){e.triggerSourceset("");Es(e)}return a};if(t.currentSrc){e.triggerSourceset(t.currentSrc)}else if(!vs(e)){Es(e)}t.resetSourceset_=function(){t.resetSourceset_=null;t.load=i;t.setAttribute=r;Object.defineProperty(t,"src",a);if(t.resetSourceWatch_){t.resetSourceWatch_()}}},Ps=function(e,t,a,n){if(void 0===n){n=!0}var r=function(a){return Object.defineProperty(e,t,{value:a,enumerable:!0,writable:!0})},i={configurable:!0,enumerable:!0,get:function(){var e=a();r(e);return e}};if(n){i.set=r}return Object.defineProperty(e,t,i)},Ds=function(a){tn(n,a);function n(e,t){var n=a.call(this,e,t)||this;var r=e.source,s=!1;if(r&&(n.el_.currentSrc!==r.src||e.tag&&3===e.tag.initNetworkState_)){n.setSource(r)}else{n.handleLateInit_(n.el_)}if(e.enableSourceset){n.setupSourcesetHandling_()}if(n.el_.hasChildNodes()){var o=n.el_.childNodes,l=o.length,d=[];while(l--){var p=o[l],u=p.nodeName.toLowerCase();if("track"===u){if(!n.featuresNativeTextTracks){d.push(p)}else{n.remoteTextTrackEls().addTrackElement_(p);n.remoteTextTracks().addTrack(p.track);n.textTracks().addTrack(p.track);if(!s&&!n.el_.hasAttribute("crossorigin")&&ir(p.src)){s=!0}}}}for(var c=0;c<d.length;c++){n.el_.removeChild(d[c])}}n.proxyNativeTracks_();if(n.featuresNativeTextTracks&&s){ma.warn("Text Tracks are being loaded from another origin but the crossorigin attribute isn't used.\nThis may prevent text tracks from loading.")}n.restoreMetadataTracksInIOSNativePlayer_();if((fn||bn||pn)&&!0===e.nativeControlsForTouch){n.setControls(!0)}n.proxyWebkitFullscreen_();n.triggerReady();return n}var r=n.prototype;r.dispose=function(){if(this.el_&&this.el_.resetSourceset_){this.el_.resetSourceset_()}n.disposeMediaElement(this.el_);this.options_=null;a.prototype.dispose.call(this)};r.setupSourcesetHandling_=function(){Ls(this)};r.restoreMetadataTracksInIOSNativePlayer_=function(){var e=this.textTracks(),t,a=function(){t=[];for(var a=0,n;a<e.length;a++){n=e[a];if("metadata"===n.kind){t.push({track:n,storedMode:n.mode})}}};a();e.addEventListener("change",a);this.on("dispose",function(){return e.removeEventListener("change",a)});var n=function a(){for(var n=0,r;n<t.length;n++){r=t[n];if("disabled"===r.track.mode&&r.track.mode!==r.storedMode){r.track.mode=r.storedMode}}e.removeEventListener("change",a)};this.on("webkitbeginfullscreen",function(){e.removeEventListener("change",a);e.removeEventListener("change",n);e.addEventListener("change",n)});this.on("webkitendfullscreen",function(){e.removeEventListener("change",a);e.addEventListener("change",a);e.removeEventListener("change",n)})};r.overrideNative_=function(e,t){var a=this;if(t!==this["featuresNative"+e+"Tracks"]){return}var n=e.toLowerCase();if(this[n+"TracksListeners_"]){Object.keys(this[n+"TracksListeners_"]).forEach(function(e){var t=a.el()[n+"Tracks"];t.removeEventListener(e,a[n+"TracksListeners_"][e])})}this["featuresNative"+e+"Tracks"]=!t;this[n+"TracksListeners_"]=null;this.proxyNativeTracksForType_(n)};r.overrideNativeAudioTracks=function(e){this.overrideNative_("Audio",e)};r.overrideNativeVideoTracks=function(e){this.overrideNative_("Video",e)};r.proxyNativeTracksForType_=function(e){var t=this,a=Tr[e],n=this.el()[a.getterName],r=this[a.getterName]();if(!this["featuresNative"+a.capitalName+"Tracks"]||!n||!n.addEventListener){return}var i={change:function(){var a={type:"change",target:r,currentTarget:r,srcElement:r};r.trigger(a);if("text"===e){t[br.remoteText.getterName]().trigger(a)}},addtrack:function(t){r.addTrack(t.track)},removetrack:function(t){r.removeTrack(t.track)}},s=function(){for(var e=[],t=0,a;t<r.length;t++){a=!1;for(var s=0;s<n.length;s++){if(n[s]===r[t]){a=!0;break}}if(!a){e.push(r[t])}}while(e.length){r.removeTrack(e.shift())}};this[a.getterName+"Listeners_"]=i;Object.keys(i).forEach(function(e){var a=i[e];n.addEventListener(e,a);t.on("dispose",function(){return n.removeEventListener(e,a)})});this.on("loadstart",s);this.on("dispose",function(){return t.off("loadstart",s)})};r.proxyNativeTracks_=function(){var e=this;Tr.names.forEach(function(t){e.proxyNativeTracksForType_(t)})};r.createEl=function(){var e=this.options_.tag;if(!e||!(this.options_.playerElIngest||this.movingMediaElementInDOM)){if(e){var a=e.cloneNode(!0);if(e.parentNode){e.parentNode.insertBefore(a,e)}n.disposeMediaElement(e);e=a}else{e=t.createElement("video");var r=this.options_.tag&&I(this.options_.tag),s=te({},r);if(!fn||!0!==this.options_.nativeControlsForTouch){delete s.controls}E(e,o(s,{id:this.options_.techId,class:"vjs-tech"}))}e.playerId=this.options_.playerId}if("undefined"!=typeof this.options_.preload){L(e,"preload",this.options_.preload)}for(var l=["loop","muted","playsinline","autoplay"],d=0;d<l.length;d++){var p=l[d],u=this.options_[p];if("undefined"!=typeof u){if(u){L(e,p,p)}else{P(e,p)}e[p]=u}}return e};r.handleLateInit_=function(e){if(0===e.networkState||3===e.networkState){return}if(0===e.readyState){var t=!1,a=function(){t=!0};this.on("loadstart",a);var n=function(){if(!t){this.trigger("loadstart")}};this.on("loadedmetadata",n);this.ready(function(){this.off("loadstart",a);this.off("loadedmetadata",n);if(!t){this.trigger("loadstart")}});return}var r=["loadstart","loadedmetadata"];if(2<=e.readyState){r.push("loadeddata")}if(3<=e.readyState){r.push("canplay")}if(4<=e.readyState){r.push("canplaythrough")}this.ready(function(){r.forEach(function(e){this.trigger(e)},this)})};r.setCurrentTime=function(e){try{this.el_.currentTime=e}catch(t){ma(t,"Video is not ready. (Video.js)")}};r.duration=function(){var e=this;if(this.el_.duration===1/0&&ln&&mn&&0===this.el_.currentTime){var t=function t(){if(0<e.el_.currentTime){if(e.el_.duration===1/0){e.trigger("durationchange")}e.off("timeupdate",t)}};this.on("timeupdate",t);return NaN}return this.el_.duration||NaN};r.width=function(){return this.el_.offsetWidth};r.height=function(){return this.el_.offsetHeight};r.proxyWebkitFullscreen_=function(){var e=this;if(!("webkitDisplayingFullscreen"in this.el_)){return}var t=function(){this.trigger("fullscreenchange",{isFullscreen:!1})},a=function(){if("webkitPresentationMode"in this.el_&&"picture-in-picture"!==this.el_.webkitPresentationMode){this.one("webkitendfullscreen",t);this.trigger("fullscreenchange",{isFullscreen:!0})}};this.on("webkitbeginfullscreen",a);this.on("dispose",function(){e.off("webkitbeginfullscreen",a);e.off("webkitendfullscreen",t)})};r.supportsFullScreen=function(){if("function"==typeof this.el_.webkitEnterFullScreen){var t=e.navigator&&e.navigator.userAgent||"";if(/Android/.test(t)||!/Chrome|Mac OS X 10.5/.test(t)){return!0}}return!1};r.enterFullScreen=function(){var e=this.el_;if(e.paused&&e.networkState<=e.HAVE_METADATA){this.el_.play();this.setTimeout(function(){e.pause();e.webkitEnterFullScreen()},0)}else{e.webkitEnterFullScreen()}};r.exitFullScreen=function(){this.el_.webkitExitFullScreen()};r.requestPictureInPicture=function(){return this.el_.requestPictureInPicture()};r.src=function(e){if(e===void 0){return this.el_.src}this.setSrc(e)};r.reset=function(){n.resetMediaElement(this.el_)};r.currentSrc=function(){if(this.currentSource_){return this.currentSource_.src}return this.el_.currentSrc};r.setControls=function(e){this.el_.controls=!!e};r.addTextTrack=function(e,t,n){if(!this.featuresNativeTextTracks){return a.prototype.addTextTrack.call(this,e,t,n)}return this.el_.addTextTrack(e,t,n)};r.createRemoteTextTrack=function(e){if(!this.featuresNativeTextTracks){return a.prototype.createRemoteTextTrack.call(this,e)}var n=t.createElement("track");if(e.kind){n.kind=e.kind}if(e.label){n.label=e.label}if(e.language||e.srclang){n.srclang=e.language||e.srclang}if(e["default"]){n["default"]=e["default"]}if(e.id){n.id=e.id}if(e.src){n.src=e.src}return n};r.addRemoteTextTrack=function(e,t){var n=a.prototype.addRemoteTextTrack.call(this,e,t);if(this.featuresNativeTextTracks){this.el().appendChild(n)}return n};r.removeRemoteTextTrack=function(e){a.prototype.removeRemoteTextTrack.call(this,e);if(this.featuresNativeTextTracks){var t=this.$$("track"),n=t.length;while(n--){if(e===t[n]||e===t[n].track){this.el().removeChild(t[n])}}}};r.getVideoPlaybackQuality=function(){if("function"==typeof this.el().getVideoPlaybackQuality){return this.el().getVideoPlaybackQuality()}var t={};if("undefined"!=typeof this.el().webkitDroppedFrameCount&&"undefined"!=typeof this.el().webkitDecodedFrameCount){t.droppedVideoFrames=this.el().webkitDroppedFrameCount;t.totalVideoFrames=this.el().webkitDecodedFrameCount}if(e.performance&&"function"==typeof e.performance.now){t.creationTime=e.performance.now()}else if(e.performance&&e.performance.timing&&"number"==typeof e.performance.timing.navigationStart){t.creationTime=e.Date.now()-e.performance.timing.navigationStart}return t};return n}(Mr);Ps(Ds,"TEST_VID",function(){if(!g()){return}var e=t.createElement("video"),a=t.createElement("track");a.kind="captions";a.srclang="en";a.label="English";e.appendChild(a);return e});Ds.isSupported=function(){try{Ds.TEST_VID.volume=.5}catch(t){return!1}return!!(Ds.TEST_VID&&Ds.TEST_VID.canPlayType)};Ds.canPlayType=function(e){return Ds.TEST_VID.canPlayType(e)};Ds.canPlaySource=function(e){return Ds.canPlayType(e.type)};Ds.canControlVolume=function(){try{var e=Ds.TEST_VID.volume;Ds.TEST_VID.volume=e/2+.1;return e!==Ds.TEST_VID.volume}catch(t){return!1}};Ds.canMuteVolume=function(){try{var e=Ds.TEST_VID.muted;Ds.TEST_VID.muted=!e;if(Ds.TEST_VID.muted){L(Ds.TEST_VID,"muted","muted")}else{P(Ds.TEST_VID,"muted","muted")}return e!==Ds.TEST_VID.muted}catch(t){return!1}};Ds.canControlPlaybackRate=function(){if(ln&&mn&&58>gn){return!1}try{var e=Ds.TEST_VID.playbackRate;Ds.TEST_VID.playbackRate=e/2+.1;return e!==Ds.TEST_VID.playbackRate}catch(t){return!1}};Ds.canOverrideAttributes=function(){try{var e=function(){};Object.defineProperty(t.createElement("video"),"src",{get:e,set:e});Object.defineProperty(t.createElement("audio"),"src",{get:e,set:e});Object.defineProperty(t.createElement("video"),"innerHTML",{get:e,set:e});Object.defineProperty(t.createElement("audio"),"innerHTML",{get:e,set:e})}catch(t){return!1}return!0};Ds.supportsNativeTextTracks=function(){return Sn||vn&&mn};Ds.supportsNativeVideoTracks=function(){return!!(Ds.TEST_VID&&Ds.TEST_VID.videoTracks)};Ds.supportsNativeAudioTracks=function(){return!!(Ds.TEST_VID&&Ds.TEST_VID.audioTracks)};Ds.Events=["loadstart","suspend","abort","error","emptied","stalled","loadedmetadata","loadeddata","canplay","canplaythrough","playing","waiting","seeking","seeked","ended","durationchange","timeupdate","progress","play","pause","ratechange","resize","volumechange"];[["featuresVolumeControl","canControlVolume"],["featuresMuteControl","canMuteVolume"],["featuresPlaybackRate","canControlPlaybackRate"],["featuresSourceset","canOverrideAttributes"],["featuresNativeTextTracks","supportsNativeTextTracks"],["featuresNativeVideoTracks","supportsNativeVideoTracks"],["featuresNativeAudioTracks","supportsNativeAudioTracks"]].forEach(function(e){var t=e[0],a=e[1];Ps(Ds.prototype,t,function(){return Ds[a]()},!0)});Ds.prototype.movingMediaElementInDOM=!vn;Ds.prototype.featuresFullscreenResize=!0;Ds.prototype.featuresProgressEvents=!0;Ds.prototype.featuresTimeupdateEvents=!0;var ws;Ds.patchCanPlayType=function(){if(4<=dn&&!un&&!mn){ws=Ds.TEST_VID&&Ds.TEST_VID.constructor.prototype.canPlayType;Ds.TEST_VID.constructor.prototype.canPlayType=function(e){if(e&&/^application\/(?:x-|vnd\.apple\.)mpegurl/i.test(e)){return"maybe"}return ws.call(this,e)}}};Ds.unpatchCanPlayType=function(){var e=Ds.TEST_VID.constructor.prototype.canPlayType;if(ws){Ds.TEST_VID.constructor.prototype.canPlayType=ws}return e};Ds.patchCanPlayType();Ds.disposeMediaElement=function(e){if(!e){return}if(e.parentNode){e.parentNode.removeChild(e)}while(e.hasChildNodes()){e.removeChild(e.firstChild)}e.removeAttribute("src");if("function"==typeof e.load){(function(){try{e.load()}catch(t){}})()}};Ds.resetMediaElement=function(e){if(!e){return}var t=e.querySelectorAll("source"),a=t.length;while(a--){e.removeChild(t[a])}e.removeAttribute("src");if("function"==typeof e.load){(function(){try{e.load()}catch(t){}})()}};["muted","defaultMuted","autoplay","controls","loop","playsinline"].forEach(function(e){Ds.prototype[e]=function(){return this.el_[e]||this.el_.hasAttribute(e)}});["muted","defaultMuted","autoplay","loop","playsinline"].forEach(function(e){Ds.prototype["set"+Xa(e)]=function(t){this.el_[e]=t;if(t){this.el_.setAttribute(e,e)}else{this.el_.removeAttribute(e)}}});["paused","currentTime","buffered","volume","poster","preload","error","seeking","seekable","ended","playbackRate","defaultPlaybackRate","played","networkState","readyState","videoWidth","videoHeight"].forEach(function(e){Ds.prototype[e]=function(){return this.el_[e]}});["volume","src","poster","preload","playbackRate","defaultPlaybackRate"].forEach(function(e){Ds.prototype["set"+Xa(e)]=function(t){this.el_[e]=t}});["pause","load","play"].forEach(function(e){Ds.prototype[e]=function(){return this.el_[e]()}});Mr.withSourceHandlers(Ds);Ds.nativeSourceHandler={};Ds.nativeSourceHandler.canPlayType=function(e){try{return Ds.TEST_VID.canPlayType(e)}catch(t){return""}};Ds.nativeSourceHandler.canHandleSource=function(e){if(e.type){return Ds.nativeSourceHandler.canPlayType(e.type)}else if(e.src){var t=rr(e.src);return Ds.nativeSourceHandler.canPlayType("video/"+t)}return""};Ds.nativeSourceHandler.handleSource=function(e,t){t.setSrc(e.src)};Ds.nativeSourceHandler.dispose=function(){};Ds.registerSourceHandler(Ds.nativeSourceHandler);Mr.registerTech("Html5",Ds);var As=["progress","abort","suspend","emptied","stalled","loadedmetadata","loadeddata","timeupdate","resize","volumechange","texttrackchange"],Os={canplay:"CanPlay",canplaythrough:"CanPlayThrough",playing:"Playing",seeked:"Seeked"},Rs=["tiny","xsmall","small","medium","large","xlarge","huge"],Ns={};Rs.forEach(function(e){var t="x"===e.charAt(0)?"x-"+e.substring(1):e;Ns[e]="vjs-layout-"+t});var Us={tiny:210,xsmall:320,small:425,medium:768,large:1440,xlarge:2560,huge:1/0},Ms=function(a){tn(n,a);function n(e,r,i){var s;e.id=e.id||r.id||"vjs_video_"+V();r=o(n.getTagSettings(e),r);r.initChildren=!1;r.createEl=!1;r.evented=!1;r.reportTouchActivity=!1;if(!r.language){if("function"==typeof e.closest){var l=e.closest("[lang]");if(l&&l.getAttribute){r.language=l.getAttribute("lang")}}else{var d=e;while(d&&1===d.nodeType){if(I(d).hasOwnProperty("lang")){r.language=d.getAttribute("lang");break}d=d.parentNode}}}s=a.call(this,null,r,i)||this;s.boundDocumentFullscreenChange_=Oa(Ja(s),s.documentFullscreenChange_);s.boundFullWindowOnEscKey_=Oa(Ja(s),s.fullWindowOnEscKey);s.isFullscreen_=!1;s.log=ga(s.id_);s.fsApi_=Cn;s.isPosterFromTech_=!1;s.queuedCallbacks_=[];s.isReady_=!1;s.hasStarted_=!1;s.userActive_=!1;if(!s.options_||!s.options_.techOrder||!s.options_.techOrder.length){throw new Error("No techOrder specified. Did you overwrite videojs.options instead of just changing the properties you want to override?")}s.tag=e;s.tagAttributes=e&&I(e);s.language(s.options_.language);if(r.languages){var p={};Object.getOwnPropertyNames(r.languages).forEach(function(e){p[e.toLowerCase()]=r.languages[e]});s.languages_=p}else{s.languages_=n.prototype.options_.languages}s.resetCache_();s.poster_=r.poster||"";s.controls_=!!r.controls;e.controls=!1;e.removeAttribute("controls");s.changingSrc_=!1;s.playCallbacks_=[];s.playTerminatedQueue_=[];if(e.hasAttribute("autoplay")){s.autoplay(!0)}else{s.autoplay(s.options_.autoplay)}if(r.plugins){Object.keys(r.plugins).forEach(function(e){if("function"!=typeof s[e]){throw new Error("plugin \""+e+"\" does not exist")}})}s.scrubbing_=!1;s.el_=s.createEl();Z(Ja(s),{eventBusKey:"el_"});if(s.fsApi_.requestFullscreen){K(t,s.fsApi_.fullscreenchange,s.boundDocumentFullscreenChange_);s.on(s.fsApi_.fullscreenchange,s.boundDocumentFullscreenChange_)}if(s.fluid_){s.on("playerreset",s.updateStyleEl_)}var u=te(s.options_);if(r.plugins){Object.keys(r.plugins).forEach(function(e){s[e](r.plugins[e])})}s.options_.playerOptions=u;s.middleware_=[];s.initChildren();s.isAudio("audio"===e.nodeName.toLowerCase());if(s.controls()){s.addClass("vjs-controls-enabled")}else{s.addClass("vjs-controls-disabled")}s.el_.setAttribute("role","region");if(s.isAudio()){s.el_.setAttribute("aria-label",s.localize("Audio Player"))}else{s.el_.setAttribute("aria-label",s.localize("Video Player"))}if(s.isAudio()){s.addClass("vjs-audio")}if(s.flexNotSupported_()){s.addClass("vjs-no-flex")}if(fn){s.addClass("vjs-touch-enabled")}if(!vn){s.addClass("vjs-workinghover")}n.players[s.id_]=Ja(s);var c="7.7.6".split(".")[0];s.addClass("vjs-v"+c);s.userActive(!0);s.reportUserActivity();s.one("play",s.listenForUserActivity_);s.on("stageclick",s.handleStageClick_);s.on("keydown",s.handleKeyDown);s.breakpoints(s.options_.breakpoints);s.responsive(s.options_.responsive);return s}var r=n.prototype;r.dispose=function(){var e=this;this.trigger("dispose");this.off("dispose");Y(t,this.fsApi_.fullscreenchange,this.boundDocumentFullscreenChange_);Y(t,"keydown",this.boundFullWindowOnEscKey_);if(this.styleEl_&&this.styleEl_.parentNode){this.styleEl_.parentNode.removeChild(this.styleEl_);this.styleEl_=null}n.players[this.id_]=null;if(this.tag&&this.tag.player){this.tag.player=null}if(this.el_&&this.el_.player){this.el_.player=null}if(this.tech_){this.tech_.dispose();this.isPosterFromTech_=!1;this.poster_=""}if(this.playerElIngest_){this.playerElIngest_=null}if(this.tag){this.tag=null}Ve(this);vr.names.forEach(function(t){var a=vr[t],n=e[a.getterName]();if(n&&n.off){n.off()}});a.prototype.dispose.call(this)};r.createEl=function(){var n=this.tag,r,s=this.playerElIngest_=n.parentNode&&n.parentNode.hasAttribute&&n.parentNode.hasAttribute("data-vjs-player"),o="video-js"===this.tag.tagName.toLowerCase();if(s){r=this.el_=n.parentNode}else if(!o){r=this.el_=a.prototype.createEl.call(this,"div")}var l=I(n);if(o){r=this.el_=n;n=this.tag=t.createElement("video");while(r.children.length){n.appendChild(r.firstChild)}if(!v(r,"video-js")){S(r,"video-js")}r.appendChild(n);s=this.playerElIngest_=r;Object.keys(r).forEach(function(e){try{n[e]=r[e]}catch(t){}})}n.setAttribute("tabindex","-1");l.tabindex="-1";if(yn||mn&&_n){n.setAttribute("role","application");l.role="application"}n.removeAttribute("width");n.removeAttribute("height");if("width"in l){delete l.width}if("height"in l){delete l.height}Object.getOwnPropertyNames(l).forEach(function(e){if(!(o&&"class"===e)){r.setAttribute(e,l[e])}if(o){n.setAttribute(e,l[e])}});n.playerId=n.id;n.id+="_html5_api";n.className="vjs-tech";n.player=r.player=this;this.addClass("vjs-paused");if(!0!==e.VIDEOJS_NO_DYNAMIC_STYLE){this.styleEl_=ka("vjs-styles-dimensions");var d=fa(".vjs-styles-defaults"),p=fa("head");p.insertBefore(this.styleEl_,d?d.nextSibling:p.firstChild)}this.fill_=!1;this.fluid_=!1;this.width(this.options_.width);this.height(this.options_.height);this.fill(this.options_.fill);this.fluid(this.options_.fluid);this.aspectRatio(this.options_.aspectRatio);for(var u=n.getElementsByTagName("a"),c=0,m;c<u.length;c++){m=u.item(c);S(m,"vjs-hidden");m.setAttribute("hidden","hidden")}n.initNetworkState_=n.networkState;if(n.parentNode&&!s){n.parentNode.insertBefore(r,n)}b(n,r);this.children_.unshift(n);this.el_.setAttribute("lang",this.language_);this.el_=r;return r};r.width=function(e){return this.dimension("width",e)};r.height=function(e){return this.dimension("height",e)};r.dimension=function(e,t){var a=e+"_";if(t===void 0){return this[a]||0}if(""===t||"auto"===t){this[a]=void 0;this.updateStyleEl_();return}var n=parseFloat(t);if(isNaN(n)){ma.error("Improper value \""+t+"\" supplied for for "+e);return}this[a]=n;this.updateStyleEl_()};r.fluid=function(e){if(e===void 0){return!!this.fluid_}this.fluid_=!!e;if(Ba(this)){this.off("playerreset",this.updateStyleEl_)}if(e){this.addClass("vjs-fluid");this.fill(!1);ja(function(){this.on("playerreset",this.updateStyleEl_)})}else{this.removeClass("vjs-fluid")}this.updateStyleEl_()};r.fill=function(e){if(e===void 0){return!!this.fill_}this.fill_=!!e;if(e){this.addClass("vjs-fill");this.fluid(!1)}else{this.removeClass("vjs-fill")}};r.aspectRatio=function(e){if(e===void 0){return this.aspectRatio_}if(!/^\d+\:\d+$/.test(e)){throw new Error("Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.")}this.aspectRatio_=e;this.fluid(!0);this.updateStyleEl_()};r.updateStyleEl_=function(){if(!0===e.VIDEOJS_NO_DYNAMIC_STYLE){var t="number"==typeof this.width_?this.width_:this.options_.width,a="number"==typeof this.height_?this.height_:this.options_.height,n=this.tech_&&this.tech_.el();if(n){if(0<=t){n.width=t}if(0<=a){n.height=a}}return}var r,i,s,o;if(this.aspectRatio_!==void 0&&"auto"!==this.aspectRatio_){s=this.aspectRatio_}else if(0<this.videoWidth()){s=this.videoWidth()+":"+this.videoHeight()}else{s="16:9"}var l=s.split(":"),d=l[1]/l[0];if(this.width_!==void 0){r=this.width_}else if(this.height_!==void 0){r=this.height_/d}else{r=this.videoWidth()||300}if(this.height_!==void 0){i=this.height_}else{i=r*d}if(/^[^a-zA-Z]/.test(this.id())){o="dimensions-"+this.id()}else{o=this.id()+"-dimensions"}this.addClass(o);Ca(this.styleEl_,"\n      ."+o+" {\n        width: "+r+"px;\n        height: "+i+"px;\n      }\n\n      ."+o+".vjs-fluid {\n        padding-top: "+100*d+"%;\n      }\n    ")};r.loadTech_=function(e,t){var a=this;if(this.tech_){this.unloadTech_()}var n=Xa(e),r=e.charAt(0).toLowerCase()+e.slice(1);if("Html5"!==n&&this.tag){Mr.getTech("Html5").disposeMediaElement(this.tag);this.tag.player=null;this.tag=null}this.techName_=n;this.isReady_=!1;var i="string"==typeof this.autoplay()?!1:this.autoplay(),s={source:t,autoplay:i,nativeControlsForTouch:this.options_.nativeControlsForTouch,playerId:this.id(),techId:this.id()+"_"+r+"_api",playsinline:this.options_.playsinline,preload:this.options_.preload,loop:this.options_.loop,muted:this.options_.muted,poster:this.poster(),language:this.language(),playerElIngest:this.playerElIngest_||!1,"vtt.js":this.options_["vtt.js"],canOverridePoster:!!this.options_.techCanOverridePoster,enableSourceset:this.options_.enableSourceset,Promise:this.options_.Promise};vr.names.forEach(function(e){var t=vr[e];s[t.getterName]=a[t.privateName]});o(s,this.options_[n]);o(s,this.options_[r]);o(s,this.options_[e.toLowerCase()]);if(this.tag){s.tag=this.tag}if(t&&t.src===this.cache_.src&&0<this.cache_.currentTime){s.startTime=this.cache_.currentTime}var l=Mr.getTech(e);if(!l){throw new Error("No Tech named '"+n+"' exists! '"+n+"' should be registered using videojs.registerTech()'")}this.tech_=new l(s);this.tech_.ready(Oa(this,this.handleTechReady_),!0);On.jsonToTextTracks(this.textTracksJson_||[],this.tech_);As.forEach(function(e){a.on(a.tech_,e,a["handleTech"+Xa(e)+"_"])});Object.keys(Os).forEach(function(e){a.on(a.tech_,e,function(t){if(0===a.tech_.playbackRate()&&a.tech_.seeking()){a.queuedCallbacks_.push({callback:a["handleTech"+Os[e]+"_"].bind(a),event:t});return}a["handleTech"+Os[e]+"_"](t)})});this.on(this.tech_,"loadstart",this.handleTechLoadStart_);this.on(this.tech_,"sourceset",this.handleTechSourceset_);this.on(this.tech_,"waiting",this.handleTechWaiting_);this.on(this.tech_,"ended",this.handleTechEnded_);this.on(this.tech_,"seeking",this.handleTechSeeking_);this.on(this.tech_,"play",this.handleTechPlay_);this.on(this.tech_,"firstplay",this.handleTechFirstPlay_);this.on(this.tech_,"pause",this.handleTechPause_);this.on(this.tech_,"durationchange",this.handleTechDurationChange_);this.on(this.tech_,"fullscreenchange",this.handleTechFullscreenChange_);this.on(this.tech_,"enterpictureinpicture",this.handleTechEnterPictureInPicture_);this.on(this.tech_,"leavepictureinpicture",this.handleTechLeavePictureInPicture_);this.on(this.tech_,"error",this.handleTechError_);this.on(this.tech_,"loadedmetadata",this.updateStyleEl_);this.on(this.tech_,"posterchange",this.handleTechPosterChange_);this.on(this.tech_,"textdata",this.handleTechTextData_);this.on(this.tech_,"ratechange",this.handleTechRateChange_);this.usingNativeControls(this.techGet_("controls"));if(this.controls()&&!this.usingNativeControls()){this.addTechControlsListeners_()}if(this.tech_.el().parentNode!==this.el()&&("Html5"!==n||!this.tag)){b(this.tech_.el(),this.el())}if(this.tag){this.tag.player=null;this.tag=null}};r.unloadTech_=function(){var e=this;vr.names.forEach(function(t){var a=vr[t];e[a.privateName]=e[a.getterName]()});this.textTracksJson_=On.textTracksToJson(this.tech_);this.isReady_=!1;this.tech_.dispose();this.tech_=!1;if(this.isPosterFromTech_){this.poster_="";this.trigger("posterchange")}this.isPosterFromTech_=!1};r.tech=function(e){if(e===void 0){ma.warn("Using the tech directly can be dangerous. I hope you know what you're doing.\nSee https://github.com/videojs/video.js/issues/2617 for more info.\n")}return this.tech_};r.addTechControlsListeners_=function(){this.removeTechControlsListeners_();this.on(this.tech_,"mouseup",this.handleTechClick_);this.on(this.tech_,"dblclick",this.handleTechDoubleClick_);this.on(this.tech_,"touchstart",this.handleTechTouchStart_);this.on(this.tech_,"touchmove",this.handleTechTouchMove_);this.on(this.tech_,"touchend",this.handleTechTouchEnd_);this.on(this.tech_,"tap",this.handleTechTap_)};r.removeTechControlsListeners_=function(){this.off(this.tech_,"tap",this.handleTechTap_);this.off(this.tech_,"touchstart",this.handleTechTouchStart_);this.off(this.tech_,"touchmove",this.handleTechTouchMove_);this.off(this.tech_,"touchend",this.handleTechTouchEnd_);this.off(this.tech_,"mouseup",this.handleTechClick_);this.off(this.tech_,"dblclick",this.handleTechDoubleClick_)};r.handleTechReady_=function(){this.triggerReady();if(this.cache_.volume){this.techCall_("setVolume",this.cache_.volume)}this.handleTechPosterChange_();this.handleTechDurationChange_()};r.handleTechLoadStart_=function(){this.removeClass("vjs-ended");this.removeClass("vjs-seeking");this.error(null);this.handleTechDurationChange_();if(!this.paused()){this.trigger("loadstart");this.trigger("firstplay")}else{this.hasStarted(!1);this.trigger("loadstart")}this.manualAutoplay_(this.autoplay())};r.manualAutoplay_=function(e){var t=this;if(!this.tech_||"string"!=typeof e){return}var a=function(){var e=t.muted();t.muted(!0);var a=function(){t.muted(e)};t.playTerminatedQueue_.push(a);var n=t.play();if(!le(n)){return}return n["catch"](a)},n;if("any"===e&&!0!==this.muted()){n=this.play();if(le(n)){n=n["catch"](a)}}else if("muted"===e&&!0!==this.muted()){n=a()}else{n=this.play()}if(!le(n)){return}return n.then(function(){t.trigger({type:"autoplay-success",autoplay:e})})["catch"](function(){t.trigger({type:"autoplay-failure",autoplay:e})})};r.updateSourceCaches_=function(e){if(void 0===e){e=""}var t=e,a="";if("string"!=typeof t){t=e.src;a=e.type}this.cache_.source=this.cache_.source||{};this.cache_.sources=this.cache_.sources||[];if(t&&!a){a=Gr(this,t)}this.cache_.source=te({},e,{src:t,type:a});for(var n=this.cache_.sources.filter(function(e){return e.src&&e.src===t}),r=[],s=this.$$("source"),o=[],l=0,d;l<s.length;l++){d=I(s[l]);r.push(d);if(d.src&&d.src===t){o.push(d.src)}}if(o.length&&!n.length){this.cache_.sources=r}else if(!n.length){this.cache_.sources=[this.cache_.source]}this.cache_.src=t};r.handleTechSourceset_=function(e){var t=this;if(!this.changingSrc_){var a=function(e){return t.updateSourceCaches_(e)},n=this.currentSource().src,r=e.src;if(n&&!/^blob:/.test(n)&&/^blob:/.test(r)){if(!this.lastSource_||this.lastSource_.tech!==r&&this.lastSource_.player!==n){a=function(){}}}a(r);if(!e.src){this.tech_.any(["sourceset","loadstart"],function(a){if("sourceset"===a.type){return}var e=t.techGet("currentSrc");t.lastSource_.tech=e;t.updateSourceCaches_(e)})}}this.lastSource_={player:this.currentSource().src,tech:e.src};this.trigger({src:e.src,type:"sourceset"})};r.hasStarted=function(e){if(e===void 0){return this.hasStarted_}if(e===this.hasStarted_){return}this.hasStarted_=e;if(this.hasStarted_){this.addClass("vjs-has-started");this.trigger("firstplay")}else{this.removeClass("vjs-has-started")}};r.handleTechPlay_=function(){this.removeClass("vjs-ended");this.removeClass("vjs-paused");this.addClass("vjs-playing");this.hasStarted(!0);this.trigger("play")};r.handleTechRateChange_=function(){if(0<this.tech_.playbackRate()&&0===this.cache_.lastPlaybackRate){this.queuedCallbacks_.forEach(function(e){return e.callback(e.event)});this.queuedCallbacks_=[]}this.cache_.lastPlaybackRate=this.tech_.playbackRate();this.trigger("ratechange")};r.handleTechWaiting_=function(){var e=this;this.addClass("vjs-waiting");this.trigger("waiting");var t=this.currentTime();this.on("timeupdate",function a(){if(t!==e.currentTime()){e.removeClass("vjs-waiting");e.off("timeupdate",a)}})};r.handleTechCanPlay_=function(){this.removeClass("vjs-waiting");this.trigger("canplay")};r.handleTechCanPlayThrough_=function(){this.removeClass("vjs-waiting");this.trigger("canplaythrough")};r.handleTechPlaying_=function(){this.removeClass("vjs-waiting");this.trigger("playing")};r.handleTechSeeking_=function(){this.addClass("vjs-seeking");this.trigger("seeking")};r.handleTechSeeked_=function(){this.removeClass("vjs-seeking");this.removeClass("vjs-ended");this.trigger("seeked")};r.handleTechFirstPlay_=function(){if(this.options_.starttime){ma.warn("Passing the `starttime` option to the player will be deprecated in 6.0");this.currentTime(this.options_.starttime)}this.addClass("vjs-has-started");this.trigger("firstplay")};r.handleTechPause_=function(){this.removeClass("vjs-playing");this.addClass("vjs-paused");this.trigger("pause")};r.handleTechEnded_=function(){this.addClass("vjs-ended");if(this.options_.loop){this.currentTime(0);this.play()}else if(!this.paused()){this.pause()}this.trigger("ended")};r.handleTechDurationChange_=function(){this.duration(this.techGet_("duration"))};r.handleTechClick_=function(e){if(!F(e)){return}if(!this.controls_){return}if(this.paused()){de(this.play())}else{this.pause()}};r.handleTechDoubleClick_=function(e){if(!this.controls_){return}var t=Array.prototype.some.call(this.$$(".vjs-control-bar, .vjs-modal-dialog"),function(t){return t.contains(e.target)});if(!t){if(this.options_===void 0||this.options_.userActions===void 0||this.options_.userActions.doubleClick===void 0||!1!==this.options_.userActions.doubleClick){if(this.options_!==void 0&&this.options_.userActions!==void 0&&"function"==typeof this.options_.userActions.doubleClick){this.options_.userActions.doubleClick.call(this,e)}else if(this.isFullscreen()){this.exitFullscreen()}else{this.requestFullscreen()}}}};r.handleTechTap_=function(){this.userActive(!this.userActive())};r.handleTechTouchStart_=function(){this.userWasActive=this.userActive()};r.handleTechTouchMove_=function(){if(this.userWasActive){this.reportUserActivity()}};r.handleTechTouchEnd_=function(e){e.preventDefault()};r.handleStageClick_=function(){this.reportUserActivity()};r.toggleFullscreenClass_=function(){if(this.isFullscreen()){this.addClass("vjs-fullscreen")}else{this.removeClass("vjs-fullscreen")}};r.documentFullscreenChange_=function(a){var e=a.target.player;if(e&&e!==this){return}var n=this.el(),r=t[this.fsApi_.fullscreenElement]===n;if(!r&&n.matches){r=n.matches(":"+this.fsApi_.fullscreen)}else if(!r&&n.msMatchesSelector){r=n.msMatchesSelector(":"+this.fsApi_.fullscreen)}this.isFullscreen(r)};r.handleTechFullscreenChange_=function(e,t){if(t){this.isFullscreen(t.isFullscreen)}};r.togglePictureInPictureClass_=function(){if(this.isInPictureInPicture()){this.addClass("vjs-picture-in-picture")}else{this.removeClass("vjs-picture-in-picture")}};r.handleTechEnterPictureInPicture_=function(){this.isInPictureInPicture(!0)};r.handleTechLeavePictureInPicture_=function(){this.isInPictureInPicture(!1)};r.handleTechError_=function(){var e=this.tech_.error();this.error(e)};r.handleTechTextData_=function(){var e=null;if(1<arguments.length){e=arguments[1]}this.trigger("textdata",e)};r.getCache=function(){return this.cache_};r.resetCache_=function(){this.cache_={currentTime:0,inactivityTimeout:this.options_.inactivityTimeout,duration:NaN,lastVolume:1,lastPlaybackRate:this.defaultPlaybackRate(),media:null,src:"",source:{},sources:[],volume:1}};r.techCall_=function(e,t){this.ready(function(){if(e in qr){return je(this.middleware_,this.tech_,e,t)}else if(e in Vr){return Fe(this.middleware_,this.tech_,e,t)}try{if(this.tech_){this.tech_[e](t)}}catch(t){ma(t);throw t}},!0)};r.techGet_=function(t){if(!this.tech_||!this.tech_.isReady_){return}if(t in Hr){return Be(this.middleware_,this.tech_,t)}else if(t in Vr){return Fe(this.middleware_,this.tech_,t)}try{return this.tech_[t]()}catch(a){if(this.tech_[t]===void 0){ma("Video.js: "+t+" method not defined for "+this.techName_+" playback technology.",a);throw a}if("TypeError"===a.name){ma("Video.js: "+t+" unavailable on "+this.techName_+" playback technology element.",a);this.tech_.isReady_=!1;throw a}ma(a);throw a}};r.play=function(){var t=this,a=this.options_.Promise||e.Promise;if(a){return new a(function(e){t.play_(e)})}return this.play_()};r.play_=function(e){var t=this;if(void 0===e){e=de}this.playCallbacks_.push(e);var a=!!(!this.changingSrc_&&(this.src()||this.currentSrc()));if(this.waitToPlay_){this.off(["ready","loadstart"],this.waitToPlay_);this.waitToPlay_=null}if(!this.isReady_||!a){this.waitToPlay_=function(){t.play_()};this.one(["ready","loadstart"],this.waitToPlay_);if(!a&&(Sn||vn)){this.load()}return}var n=this.techGet_("play");if(null===n){this.runPlayTerminatedQueue_()}else{this.runPlayCallbacks_(n)}};r.runPlayTerminatedQueue_=function(){var e=this.playTerminatedQueue_.slice(0);this.playTerminatedQueue_=[];e.forEach(function(e){e()})};r.runPlayCallbacks_=function(e){var t=this.playCallbacks_.slice(0);this.playCallbacks_=[];this.playTerminatedQueue_=[];t.forEach(function(t){t(e)})};r.pause=function(){this.techCall_("pause")};r.paused=function(){return!1===this.techGet_("paused")?!1:!0};r.played=function(){return this.techGet_("played")||ie(0,0)};r.scrubbing=function(e){if("undefined"==typeof e){return 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t=this,a;if(!this.fsApi_.prefixed){a=this.options_.fullscreen&&this.options_.fullscreen.options||{};if(e!==void 0){a=e}}if(this.fsApi_.requestFullscreen){var n=this.el_[this.fsApi_.requestFullscreen](a);if(n){n.then(function(){return t.isFullscreen(!0)},function(){return t.isFullscreen(!1)})}return n}else if(this.tech_.supportsFullScreen()){this.techCall_("enterFullScreen")}else{this.enterFullWindow()}};r.exitFullscreen=function(){var e=this;if(this.fsApi_.requestFullscreen){var a=t[this.fsApi_.exitFullscreen]();if(a){a.then(function(){return e.isFullscreen(!1)})}return a}else if(this.tech_.supportsFullScreen()){this.techCall_("exitFullScreen")}else{this.exitFullWindow()}};r.enterFullWindow=function(){this.isFullscreen(!0);this.isFullWindow=!0;this.docOrigOverflow=t.documentElement.style.overflow;K(t,"keydown",this.boundFullWindowOnEscKey_);t.documentElement.style.overflow="hidden";S(t.body,"vjs-full-window");this.trigger("enterFullWindow")};r.fullWindowOnEscKey=function(e){if(Rn.isEventKey(e,"Esc")){if(!0===this.isFullscreen()){this.exitFullscreen()}else{this.exitFullWindow()}}};r.exitFullWindow=function(){this.isFullscreen(!1);this.isFullWindow=!1;Y(t,"keydown",this.boundFullWindowOnEscKey_);t.documentElement.style.overflow=this.docOrigOverflow;k(t.body,"vjs-full-window");this.trigger("exitFullWindow")};r.isInPictureInPicture=function(e){if(e!==void 0){this.isInPictureInPicture_=!!e;this.togglePictureInPictureClass_();return}return!!this.isInPictureInPicture_};r.requestPictureInPicture=function(){if("pictureInPictureEnabled"in t){return this.techGet_("requestPictureInPicture")}};r.exitPictureInPicture=function(){if("pictureInPictureEnabled"in t){return t.exitPictureInPicture()}};r.handleKeyDown=function(e){var t=this.options_.userActions;if(!t||!t.hotkeys){return}if(function(e){var t=e.tagName.toLowerCase();if(e.isContentEditable){return!0}if("input"===t){return-1===["button","checkbox","hidden","radio","reset","submit"].indexOf(e.type)}return-1!==["textarea"].indexOf(t)}(this.el_.ownerDocument.activeElement)){return}if("function"==typeof t.hotkeys){t.hotkeys.call(this,e)}else{this.handleHotkeys(e)}};r.handleHotkeys=function(e){var a=this.options_.userActions?this.options_.userActions.hotkeys:{},n=a.fullscreenKey,r=void 0===n?function(e){return Rn.isEventKey(e,"f")}:n,i=a.muteKey,s=void 0===i?function(e){return Rn.isEventKey(e,"m")}:i,o=a.playPauseKey,l=void 0===o?function(e){return Rn.isEventKey(e,"k")||Rn.isEventKey(e,"Space")}:o;if(r.call(this,e)){e.preventDefault();e.stopPropagation();var d=Qa.getComponent("FullscreenToggle");if(!1!==t[this.fsApi_.fullscreenEnabled]){d.prototype.handleClick.call(this,e)}}else if(s.call(this,e)){e.preventDefault();e.stopPropagation();var p=Qa.getComponent("MuteToggle");p.prototype.handleClick.call(this,e)}else if(l.call(this,e)){e.preventDefault();e.stopPropagation();var u=Qa.getComponent("PlayToggle");u.prototype.handleClick.call(this,e)}};r.canPlayType=function(e){for(var t,a=0,n=this.options_.techOrder;a<n.length;a++){var r=n[a],s=Mr.getTech(r);if(!s){s=Qa.getComponent(r)}if(!s){ma.error("The \""+r+"\" tech is undefined. 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t.doReset_()}))}};r.doReset_=function(){if(this.tech_){this.tech_.clearTracks("text")}this.resetCache_();this.poster("");this.loadTech_(this.options_.techOrder[0],null);this.techCall_("reset");this.resetControlBarUI_();if(Ba(this)){this.trigger("playerreset")}};r.resetControlBarUI_=function(){this.resetProgressBar_();this.resetPlaybackRate_();this.resetVolumeBar_()};r.resetProgressBar_=function(){this.currentTime(0);var e=this.controlBar,t=e.durationDisplay,a=e.remainingTimeDisplay;if(t){t.updateContent()}if(a){a.updateContent()}};r.resetPlaybackRate_=function(){this.playbackRate(this.defaultPlaybackRate());this.handleTechRateChange_()};r.resetVolumeBar_=function(){this.volume(1);this.trigger("volumechange")};r.currentSources=function(){var e=this.currentSource(),t=[];if(0!==Object.keys(e).length){t.push(e)}return this.cache_.sources||t};r.currentSource=function(){return this.cache_.source||{}};r.currentSrc=function(){return this.currentSource()&&this.currentSource().src||""};r.currentType=function(){return this.currentSource()&&this.currentSource().type||""};r.preload=function(e){if(e!==void 0){this.techCall_("setPreload",e);this.options_.preload=e;return}return this.techGet_("preload")};r.autoplay=function(e){if(e===void 0){return this.options_.autoplay||!1}var t;if("string"==typeof e&&/(any|play|muted)/.test(e)){this.options_.autoplay=e;this.manualAutoplay_(e);t=!1}else if(!e){this.options_.autoplay=!1}else{this.options_.autoplay=!0}t="undefined"==typeof t?this.options_.autoplay:t;if(this.tech_){this.techCall_("setAutoplay",t)}};r.playsinline=function(e){if(e!==void 0){this.techCall_("setPlaysinline",e);this.options_.playsinline=e;return this}return this.techGet_("playsinline")};r.loop=function(e){if(e!==void 0){this.techCall_("setLoop",e);this.options_.loop=e;return}return this.techGet_("loop")};r.poster=function(e){if(e===void 0){return this.poster_}if(!e){e=""}if(e===this.poster_){return}this.poster_=e;this.techCall_("setPoster",e);this.isPosterFromTech_=!1;this.trigger("posterchange")};r.handleTechPosterChange_=function(){if((!this.poster_||this.options_.techCanOverridePoster)&&this.tech_&&this.tech_.poster){var e=this.tech_.poster()||"";if(e!==this.poster_){this.poster_=e;this.isPosterFromTech_=!0;this.trigger("posterchange")}}};r.controls=function(e){if(e===void 0){return!!this.controls_}e=!!e;if(this.controls_===e){return}this.controls_=e;if(this.usingNativeControls()){this.techCall_("setControls",e)}if(this.controls_){this.removeClass("vjs-controls-disabled");this.addClass("vjs-controls-enabled");this.trigger("controlsenabled");if(!this.usingNativeControls()){this.addTechControlsListeners_()}}else{this.removeClass("vjs-controls-enabled");this.addClass("vjs-controls-disabled");this.trigger("controlsdisabled");if(!this.usingNativeControls()){this.removeTechControlsListeners_()}}};r.usingNativeControls=function(e){if(e===void 0){return!!this.usingNativeControls_}e=!!e;if(this.usingNativeControls_===e){return}this.usingNativeControls_=e;if(this.usingNativeControls_){this.addClass("vjs-using-native-controls");this.trigger("usingnativecontrols")}else{this.removeClass("vjs-using-native-controls");this.trigger("usingcustomcontrols")}};r.error=function(e){if(e===void 0){return this.error_||null}if(this.options_.suppressNotSupportedError&&e&&4===e.code){var t=function(){this.error(e)};this.options_.suppressNotSupportedError=!1;this.any(["click","touchstart"],t);this.one("loadstart",function(){this.off(["click","touchstart"],t)});return}if(null===e){this.error_=e;this.removeClass("vjs-error");if(this.errorDisplay){this.errorDisplay.close()}return}this.error_=new oe(e);this.addClass("vjs-error");ma.error("(CODE:"+this.error_.code+" "+oe.errorTypes[this.error_.code]+")",this.error_.message,this.error_);this.trigger("error")};r.reportUserActivity=function(){this.userActivity_=!0};r.userActive=function(e){if(e===void 0){return 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o=this.getChild("controlBar");if(o&&!vn&&!ln){o.on("mouseenter",function(){this.player().cache_.inactivityTimeout=this.player().options_.inactivityTimeout;this.player().options_.inactivityTimeout=0});o.on("mouseleave",function(){this.player().options_.inactivityTimeout=this.player().cache_.inactivityTimeout})}this.on("keydown",n);this.on("keyup",n);var l;this.setInterval(function(){if(!this.userActivity_){return}this.userActivity_=!1;this.userActive(!0);this.clearTimeout(l);var e=this.options_.inactivityTimeout;if(0>=e){return}l=this.setTimeout(function(){if(!this.userActivity_){this.userActive(!1)}},e)},250)};r.playbackRate=function(e){if(e!==void 0){this.techCall_("setPlaybackRate",e);return}if(this.tech_&&this.tech_.featuresPlaybackRate){return this.cache_.lastPlaybackRate||this.techGet_("playbackRate")}return 1};r.defaultPlaybackRate=function(e){if(e!==void 0){return this.techCall_("setDefaultPlaybackRate",e)}if(this.tech_&&this.tech_.featuresPlaybackRate){return 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t=this.responsive_;if(e===t){return}this.responsive_=e;if(e){this.on("playerresize",this.updateCurrentBreakpoint_);this.updateCurrentBreakpoint_()}else{this.off("playerresize",this.updateCurrentBreakpoint_);this.removeCurrentBreakpoint_()}return e};r.currentBreakpoint=function(){return this.breakpoint_};r.currentBreakpointClass=function(){return Ns[this.breakpoint_]||""};r.loadMedia=function(e,t){var a=this;if(!e||"object"!==_typeof2(e)){return}this.reset();this.cache_.media=te(e);var n=this.cache_.media,r=n.artwork,i=n.poster,s=n.src,o=n.textTracks;if(!r&&i){this.cache_.media.artwork=[{src:i,type:zr(i)}]}if(s){this.src(s)}if(i){this.poster(i)}if(Array.isArray(o)){o.forEach(function(e){return a.addRemoteTextTrack(e,!1)})}this.ready(t)};r.getMedia=function(){if(!this.cache_.media){var e=this.poster(),t=this.currentSources(),a=Array.prototype.map.call(this.remoteTextTracks(),function(e){return{kind:e.kind,label:e.label,language:e.language,src:e.src}}),n={src:t,textTracks:a};if(e){n.poster=e;n.artwork=[{src:n.poster,type:zr(n.poster)}]}return n}return te(this.cache_.media)};n.getTagSettings=function(e){var t={sources:[],tracks:[]},a=I(e),n=a["data-setup"];if(v(e,"vjs-fill")){a.fill=!0}if(v(e,"vjs-fluid")){a.fluid=!0}if(null!==n){var r=wn(n||"{}"),s=r[0],l=r[1];if(s){ma.error(s)}o(a,l)}o(t,a);if(e.hasChildNodes()){for(var d=e.childNodes,p=0,u=d.length;p<u;p++){var c=d[p],m=c.nodeName.toLowerCase();if("source"===m){t.sources.push(I(c))}else if("track"===m){t.tracks.push(I(c))}}}return t};r.flexNotSupported_=function(){var e=t.createElement("i");return!("flexBasis"in e.style||"webkitFlexBasis"in e.style||"mozFlexBasis"in e.style||"msFlexBasis"in e.style||"msFlexOrder"in e.style)};return n}(Qa);vr.names.forEach(function(e){var 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a},moof:function(e){return{boxes:ld(e)}},moov:function(e){return{boxes:ld(e)}},mvex:function(e){return{boxes:ld(e)}},mvhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a=4,n={version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4))};if(1===n.version){a+=4;n.creationTime=ud(t.getUint32(a));a+=8;n.modificationTime=ud(t.getUint32(a));a+=4;n.timescale=t.getUint32(a);a+=8;n.duration=t.getUint32(a)}else{n.creationTime=ud(t.getUint32(a));a+=4;n.modificationTime=ud(t.getUint32(a));a+=4;n.timescale=t.getUint32(a);a+=4;n.duration=t.getUint32(a)}a+=4;n.rate=t.getUint16(a)+t.getUint16(a+2)/16;a+=4;n.volume=t.getUint8(a)+t.getUint8(a+1)/8;a+=2;a+=2;a+=8;n.matrix=new Uint32Array(e.subarray(a,a+36));a+=36;a+=24;n.nextTrackId=t.getUint32(a);return n},pdin:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return{version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4)),rate:t.getUint32(4),initialDelay:t.getUint32(8)}},sdtp:function(e){var t={version:e[0],flags:new Uint8Array(e.subarray(1,4)),samples:[]},a;for(a=4;a<e.byteLength;a++){t.samples.push({dependsOn:(48&e[a])>>4,isDependedOn:(12&e[a])>>2,hasRedundancy:3&e[a]})}return t},sidx:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),references:[],referenceId:t.getUint32(4),timescale:t.getUint32(8),earliestPresentationTime:t.getUint32(12),firstOffset:t.getUint32(16)},n=t.getUint16(22),r;for(r=24;n;r+=12,n--){a.references.push({referenceType:(128&e[r])>>>7,referencedSize:2147483647&t.getUint32(r),subsegmentDuration:t.getUint32(r+4),startsWithSap:!!(128&e[r+8]),sapType:(112&e[r+8])>>>4,sapDeltaTime:268435455&t.getUint32(r+8)})}return a},smhd:function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),balance:e[4]+e[5]/256}},stbl:function(e){return{boxes:ld(e)}},stco:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),chunkOffsets:[]},n=t.getUint32(4),r;for(r=8;n;r+=4,n--){a.chunkOffsets.push(t.getUint32(r))}return a},stsc:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a=t.getUint32(4),n={version:e[0],flags:new Uint8Array(e.subarray(1,4)),sampleToChunks:[]},r;for(r=8;a;r+=12,a--){n.sampleToChunks.push({firstChunk:t.getUint32(r),samplesPerChunk:t.getUint32(r+4),sampleDescriptionIndex:t.getUint32(r+8)})}return n},stsd:function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),sampleDescriptions:ld(e.subarray(8))}},stsz:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),sampleSize:t.getUint32(4),entries:[]},n;for(n=12;n<e.byteLength;n+=4){a.entries.push(t.getUint32(n))}return a},stts:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),timeToSamples:[]},n=t.getUint32(4),r;for(r=8;n;r+=8,n--){a.timeToSamples.push({sampleCount:t.getUint32(r),sampleDelta:t.getUint32(r+4)})}return a},styp:function(e){return hd.ftyp(e)},tfdt:function(e){var t={version:e[0],flags:new Uint8Array(e.subarray(1,4)),baseMediaDecodeTime:pd(e[4]<<24|e[5]<<16|e[6]<<8|e[7])};if(1===t.version){t.baseMediaDecodeTime*=Math.pow(2,32);t.baseMediaDecodeTime+=pd(e[8]<<24|e[9]<<16|e[10]<<8|e[11])}return t},tfhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),trackId:t.getUint32(4)},n=1&a.flags[2],r=2&a.flags[2],s=8&a.flags[2],o=16&a.flags[2],l=32&a.flags[2],d=65536&a.flags[0],p=131072&a.flags[0],u;u=8;if(n){u+=4;a.baseDataOffset=t.getUint32(12);u+=4}if(r){a.sampleDescriptionIndex=t.getUint32(u);u+=4}if(s){a.defaultSampleDuration=t.getUint32(u);u+=4}if(o){a.defaultSampleSize=t.getUint32(u);u+=4}if(l){a.defaultSampleFlags=t.getUint32(u)}if(d){a.durationIsEmpty=!0}if(!n&&p){a.baseDataOffsetIsMoof=!0}return a},tkhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a=4,n={version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4))};if(1===n.version){a+=4;n.creationTime=ud(t.getUint32(a));a+=8;n.modificationTime=ud(t.getUint32(a));a+=4;n.trackId=t.getUint32(a);a+=4;a+=8;n.duration=t.getUint32(a)}else{n.creationTime=ud(t.getUint32(a));a+=4;n.modificationTime=ud(t.getUint32(a));a+=4;n.trackId=t.getUint32(a);a+=4;a+=4;n.duration=t.getUint32(a)}a+=4;a+=8;n.layer=t.getUint16(a);a+=2;n.alternateGroup=t.getUint16(a);a+=2;n.volume=t.getUint8(a)+t.getUint8(a+1)/8;a+=2;a+=2;n.matrix=new Uint32Array(e.subarray(a,a+36));a+=36;n.width=t.getUint16(a)+t.getUint16(a+2)/16;a+=4;n.height=t.getUint16(a)+t.getUint16(a+2)/16;return n},traf:function(e){return{boxes:ld(e)}},trak:function(e){return{boxes:ld(e)}},trex:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),trackId:t.getUint32(4),defaultSampleDescriptionIndex:t.getUint32(8),defaultSampleDuration:t.getUint32(12),defaultSampleSize:t.getUint32(16),sampleDependsOn:3&e[20],sampleIsDependedOn:(192&e[21])>>6,sampleHasRedundancy:(48&e[21])>>4,samplePaddingValue:(14&e[21])>>1,sampleIsDifferenceSample:!!(1&e[21]),sampleDegradationPriority:t.getUint16(22)}},trun:function(e){var t={version:e[0],flags:new Uint8Array(e.subarray(1,4)),samples:[]},a=new DataView(e.buffer,e.byteOffset,e.byteLength),n=1&t.flags[2],r=4&t.flags[2],i=1&t.flags[1],s=2&t.flags[1],o=4&t.flags[1],l=8&t.flags[1],d=a.getUint32(4),p=8,u;if(n){t.dataOffset=a.getInt32(p);p+=4}if(r&&d){u={flags:cd(e.subarray(p,p+4))};p+=4;if(i){u.duration=a.getUint32(p);p+=4}if(s){u.size=a.getUint32(p);p+=4}if(l){u.compositionTimeOffset=a.getUint32(p);p+=4}t.samples.push(u);d--}while(d--){u={};if(i){u.duration=a.getUint32(p);p+=4}if(s){u.size=a.getUint32(p);p+=4}if(o){u.flags=cd(e.subarray(p,p+4));p+=4}if(l){u.compositionTimeOffset=a.getUint32(p);p+=4}t.samples.push(u)}return t},"url ":function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4))}},vmhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),graphicsmode:t.getUint16(4),opcolor:new Uint16Array([t.getUint16(6),t.getUint16(8),t.getUint16(10)])}}};ld=function(e){for(var t=0,a=[],n,r,s,o,l,d=new ArrayBuffer(e.length),p=new Uint8Array(d),u=0;u<e.length;++u){p[u]=e[u]}n=new DataView(d);while(t<e.byteLength){r=n.getUint32(t);s=md(e.subarray(t+4,t+8));o=1<r?t+r:e.byteLength;l=(hd[s]||function(e){return{data:e}})(e.subarray(t+8,o));l.size=r;l.type=s;a.push(l);t=o}return a};dd=function(e,t){var a;t=t||0;a=Array(2*t+1).join(" ");return e.map(function(e){return a+e.type+"\n"+Object.keys(e).filter(function(e){return"type"!==e&&"boxes"!==e}).map(function(t){var n=a+"  "+t+": ",r=e[t];if(r instanceof Uint8Array||r instanceof Uint32Array){var i=Array.prototype.slice.call(new Uint8Array(r.buffer,r.byteOffset,r.byteLength)).map(function(e){return" "+("00"+e.toString(16)).slice(-2)}).join("").match(/.{1,24}/g);if(!i){return n+"<>"}if(1===i.length){return n+"<"+i.join("").slice(1)+">"}return n+"<\n"+i.map(function(e){return a+"  "+e}).join("\n")+"\n"+a+"  >"}return n+JSON.stringify(r,null,2).split("\n").map(function(e,t){if(0===t){return e}return a+"  "+e}).join("\n")}).join("\n")+(e.boxes?"\n"+dd(e.boxes,t+1):"")}).join("\n")};var _d={inspect:ld,textify:dd,parseType:md,findBox:gd,parseTraf:hd.traf,parseTfdt:hd.tfdt,parseHdlr:hd.hdlr,parseTfhd:hd.tfhd,parseTrun:hd.trun,parseSidx:hd.sidx},fd=od.toUnsigned,Td=od.toHexString,bd,vd,Sd,kd,Cd;bd=function(e){var t=_d.findBox(e,["moov","trak"]);return t.reduce(function(e,t){var a,n,r,i,s;a=_d.findBox(t,["tkhd"])[0];if(!a){return null}n=a[0];r=0===n?12:20;i=fd(a[r]<<24|a[r+1]<<16|a[r+2]<<8|a[r+3]);s=_d.findBox(t,["mdia","mdhd"])[0];if(!s){return null}n=s[0];r=0===n?12:20;e[i]=fd(s[r]<<24|s[r+1]<<16|s[r+2]<<8|s[r+3]);return e},{})};vd=function(e,t){var a,n,r;a=_d.findBox(t,["moof","traf"]);n=[].concat.apply([],a.map(function(t){return _d.findBox(t,["tfhd"]).map(function(a){var n,r,i;n=fd(a[4]<<24|a[5]<<16|a[6]<<8|a[7]);r=e[n]||9e4;i=_d.findBox(t,["tfdt"]).map(function(e){var t,a;t=e[0];a=fd(e[4]<<24|e[5]<<16|e[6]<<8|e[7]);if(1===t){a*=Math.pow(2,32);a+=fd(e[8]<<24|e[9]<<16|e[10]<<8|e[11])}return a})[0];i=i||1/0;return i/r})}));r=Math.min.apply(null,n);return isFinite(r)?r:0};Sd=function(e,t){var a=_d.findBox(t,["moof","traf"]),n=0,r=0,s;if(a&&a.length){for(var o=_d.parseTraf(a[0]),l=0;l<o.boxes.length;l++){if("tfhd"===o.boxes[l].type){s=o.boxes[l].trackId}else if("tfdt"===o.boxes[l].type){n=o.boxes[l].baseMediaDecodeTime}else if("trun"===o.boxes[l].type&&o.boxes[l].samples.length){r=o.boxes[l].samples[0].compositionTimeOffset||0}}}var d=e[s]||9e4;return(n+r)/d};kd=function(e){var t=_d.findBox(e,["moov","trak"]),a=[];t.forEach(function(e){var t=_d.findBox(e,["mdia","hdlr"]),n=_d.findBox(e,["tkhd"]);t.forEach(function(e,t){var r=_d.parseType(e.subarray(8,12)),i=n[t],s,o;if("vide"===r){s=new DataView(i.buffer,i.byteOffset,i.byteLength);s.getUint8(0);o=s.getUint32(20);a.push(o)}})});return a};Cd=function(e){var t=_d.findBox(e,["moov","trak"]),a=[];t.forEach(function(e){var t={},n=_d.findBox(e,["tkhd"])[0],r;if(n){r=new DataView(n.buffer,n.byteOffset,n.byteLength);r.getUint8(0);t.id=r.getUint32(20)}var i=_d.findBox(e,["mdia","hdlr"])[0];if(i){var s=_d.parseType(i.subarray(8,12));if("vide"===s){t.type="video"}else if("soun"===s){t.type="audio"}else{t.type=s}}var o=_d.findBox(e,["mdia","minf","stbl","stsd"])[0];if(o){var l=o.subarray(8);t.codec=_d.parseType(l.subarray(4,8));var d=_d.findBox(l,[t.codec])[0],p,u;if(d){if(/^[a-z]vc[1-9]$/i.test(t.codec)){p=d.subarray(78);u=_d.parseType(p.subarray(4,8));if("avcC"===u&&11<p.length){t.codec+=".";t.codec+=Td(p[9]);t.codec+=Td(p[10]);t.codec+=Td(p[11])}else{t.codec="avc1.4d400d"}}else if(/^mp4[a,v]$/i.test(t.codec)){p=d.subarray(28);u=_d.parseType(p.subarray(4,8));if("esds"===u&&20<p.length&&0!==p[19]){t.codec+="."+Td(p[19]);t.codec+="."+Td(63&p[20]>>>2).replace(/^0/,"")}else{t.codec="mp4a.40.2"}}}}var c=_d.findBox(e,["mdia","mdhd"])[0];if(c&&n){20;t.timescale=fd(c[20]<<24|c[21]<<16|c[22]<<8|c[23])}a.push(t)});return a};var Ed={findBox:_d.findBox,parseType:_d.parseType,timescale:bd,startTime:vd,compositionStartTime:Sd,videoTrackIds:kd,tracks:Cd},Id=4,xd=function(e){var t=0,a={payloadType:-1,payloadSize:0},n=0,r=0;while(t<e.byteLength){if(e[t]===128){break}while(255===e[t]){n+=255;t++}n+=e[t++];while(255===e[t]){r+=255;t++}r+=e[t++];if(!a.payload&&n===Id){a.payloadType=n;a.payloadSize=r;a.payload=e.subarray(t,t+r);break}t+=r;n=0;r=0}return a},Ld=function(e,t){var a=[],n,r,s,o;if(!(64&t[0])){return a}r=31&t[0];for(n=0;n<r;n++){s=3*n;o={type:3&t[s+2],pts:e};if(4&t[s+2]){o.ccData=t[s+3]<<8|t[s+4];a.push(o)}}return a},Pd=function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s},Dd={parseSei:xd,parseUserData:function(e){if(181!==e.payload[0]){return null}if(49!=(e.payload[1]<<8|e.payload[2])){return null}if("GA94"!==String.fromCharCode(e.payload[3],e.payload[4],e.payload[5],e.payload[6])){return null}if(3!==e.payload[7]){return null}return e.payload.subarray(8,e.payload.length-1)},parseCaptionPackets:Ld,discardEmulationPreventionBytes:Pd,USER_DATA_REGISTERED_ITU_T_T35:Id},wd=function(){this.init=function(){var e={};this.on=function(t,a){if(!e[t]){e[t]=[]}e[t]=e[t].concat(a)};this.off=function(t,a){var n;if(!e[t]){return!1}n=e[t].indexOf(a);e[t]=e[t].slice();e[t].splice(n,1);return-1<n};this.trigger=function(t){var a,n,r,s;a=e[t];if(!a){return}if(2===arguments.length){r=a.length;for(n=0;n<r;++n){a[n].call(this,arguments[1])}}else{s=[];n=arguments.length;for(n=1;n<arguments.length;++n){s.push(arguments[n])}r=a.length;for(n=0;n<r;++n){a[n].apply(this,s)}}};this.dispose=function(){e={}}}};wd.prototype.pipe=function(e){this.on("data",function(t){e.push(t)});this.on("done",function(t){e.flush(t)});this.on("partialdone",function(t){e.partialFlush(t)});this.on("endedtimeline",function(t){e.endTimeline(t)});this.on("reset",function(t){e.reset(t)});return e};wd.prototype.push=function(e){this.trigger("data",e)};wd.prototype.flush=function(e){this.trigger("done",e)};wd.prototype.partialFlush=function(e){this.trigger("partialdone",e)};wd.prototype.endTimeline=function(e){this.trigger("endedtimeline",e)};wd.prototype.reset=function(e){this.trigger("reset",e)};var Ad=wd,Od=function e(){e.prototype.init.call(this);this.captionPackets_=[];this.ccStreams_=[new jd(0,0),new jd(0,1),new jd(1,0),new jd(1,1)];this.reset();this.ccStreams_.forEach(function(e){e.on("data",this.trigger.bind(this,"data"));e.on("partialdone",this.trigger.bind(this,"partialdone"));e.on("done",this.trigger.bind(this,"done"))},this)};Od.prototype=new Ad;Od.prototype.push=function(e){var t,a,n;if("sei_rbsp"!==e.nalUnitType){return}t=Dd.parseSei(e.escapedRBSP);if(t.payloadType!==Dd.USER_DATA_REGISTERED_ITU_T_T35){return}a=Dd.parseUserData(t);if(!a){return}if(e.dts<this.latestDts_){this.ignoreNextEqualDts_=!0;return}else if(e.dts===this.latestDts_&&this.ignoreNextEqualDts_){this.numSameDts_--;if(!this.numSameDts_){this.ignoreNextEqualDts_=!1}return}n=Dd.parseCaptionPackets(e.pts,a);this.captionPackets_=this.captionPackets_.concat(n);if(this.latestDts_!==e.dts){this.numSameDts_=0}this.numSameDts_++;this.latestDts_=e.dts};Od.prototype.flushCCStreams=function(e){this.ccStreams_.forEach(function(t){return"flush"===e?t.flush():t.partialFlush()},this)};Od.prototype.flushStream=function(e){if(!this.captionPackets_.length){this.flushCCStreams(e);return}this.captionPackets_.forEach(function(e,t){e.presortIndex=t});this.captionPackets_.sort(function(e,t){if(e.pts===t.pts){return e.presortIndex-t.presortIndex}return e.pts-t.pts});this.captionPackets_.forEach(function(e){if(2>e.type){this.dispatchCea608Packet(e)}},this);this.captionPackets_.length=0;this.flushCCStreams(e)};Od.prototype.flush=function(){return this.flushStream("flush")};Od.prototype.partialFlush=function(){return this.flushStream("partialFlush")};Od.prototype.reset=function(){this.latestDts_=null;this.ignoreNextEqualDts_=!1;this.numSameDts_=0;this.activeCea608Channel_=[null,null];this.ccStreams_.forEach(function(e){e.reset()})};Od.prototype.dispatchCea608Packet=function(e){if(this.setsTextOrXDSActive(e)){this.activeCea608Channel_[e.type]=null}else if(this.setsChannel1Active(e)){this.activeCea608Channel_[e.type]=0}else if(this.setsChannel2Active(e)){this.activeCea608Channel_[e.type]=1}if(null===this.activeCea608Channel_[e.type]){return}this.ccStreams_[(e.type<<1)+this.activeCea608Channel_[e.type]].push(e)};Od.prototype.setsChannel1Active=function(e){return 4096==(30720&e.ccData)};Od.prototype.setsChannel2Active=function(e){return 6144==(30720&e.ccData)};Od.prototype.setsTextOrXDSActive=function(e){return 256==(28928&e.ccData)||4138==(30974&e.ccData)||6186==(30974&e.ccData)};var Rd={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},Nd=function(e){if(null===e){return""}e=Rd[e]||e;return String.fromCharCode(e)},Ud=14,Md=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],Bd=function(){var e=[],t=Ud+1;while(t--){e.push("")}return e},jd=function e(t,a){e.prototype.init.call(this);this.field_=t||0;this.dataChannel_=a||0;this.name_="CC"+((this.field_<<1|this.dataChannel_)+1);this.setConstants();this.reset();this.push=function(e){var t,a,n,r,i;t=32639&e.ccData;if(t===this.lastControlCode_){this.lastControlCode_=null;return}if(4096==(61440&t)){this.lastControlCode_=t}else if(t!==this.PADDING_){this.lastControlCode_=null}n=t>>>8;r=255&t;if(t===this.PADDING_){}else if(t===this.RESUME_CAPTION_LOADING_){this.mode_="popOn"}else if(t===this.END_OF_CAPTION_){this.mode_="popOn";this.clearFormatting(e.pts);this.flushDisplayed(e.pts);a=this.displayed_;this.displayed_=this.nonDisplayed_;this.nonDisplayed_=a;this.startPts_=e.pts}else if(t===this.ROLL_UP_2_ROWS_){this.rollUpRows_=2;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_3_ROWS_){this.rollUpRows_=3;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_4_ROWS_){this.rollUpRows_=4;this.setRollUp(e.pts)}else if(t===this.CARRIAGE_RETURN_){this.clearFormatting(e.pts);this.flushDisplayed(e.pts);this.shiftRowsUp_();this.startPts_=e.pts}else if(t===this.BACKSPACE_){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}}else if(t===this.ERASE_DISPLAYED_MEMORY_){this.flushDisplayed(e.pts);this.displayed_=Bd()}else if(t===this.ERASE_NON_DISPLAYED_MEMORY_){this.nonDisplayed_=Bd()}else if(t===this.RESUME_DIRECT_CAPTIONING_){if("paintOn"!==this.mode_){this.flushDisplayed(e.pts);this.displayed_=Bd()}this.mode_="paintOn";this.startPts_=e.pts}else if(this.isSpecialCharacter(n,r)){n=(3&n)<<8;i=Nd(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isExtCharacter(n,r)){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}n=(3&n)<<8;i=Nd(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isMidRowCode(n,r)){this.clearFormatting(e.pts);this[this.mode_](e.pts," ");this.column_++;if(14==(14&r)){this.addFormatting(e.pts,["i"])}if(1==(1&r)){this.addFormatting(e.pts,["u"])}}else if(this.isOffsetControlCode(n,r)){this.column_+=3&r}else if(this.isPAC(n,r)){var s=Md.indexOf(7968&t);if("rollUp"===this.mode_){if(0>s-this.rollUpRows_+1){s=this.rollUpRows_-1}this.setRollUp(e.pts,s)}if(s!==this.row_){this.clearFormatting(e.pts);this.row_=s}if(1&r&&-1===this.formatting_.indexOf("u")){this.addFormatting(e.pts,["u"])}if(16==(16&t)){this.column_=4*((14&t)>>1)}if(this.isColorPAC(r)){if(14==(14&r)){this.addFormatting(e.pts,["i"])}}}else if(this.isNormalChar(n)){if(0===r){r=null}i=Nd(n);i+=Nd(r);this[this.mode_](e.pts,i);this.column_+=i.length}}};jd.prototype=new Ad;jd.prototype.flushDisplayed=function(e){var t=this.displayed_.map(function(e){try{return e.trim()}catch(t){console.error("Skipping malformed caption.");return""}}).join("\n").replace(/^\n+|\n+$/g,"");if(t.length){this.trigger("data",{startPts:this.startPts_,endPts:e,text:t,stream:this.name_})}};jd.prototype.reset=function(){this.mode_="popOn";this.topRow_=0;this.startPts_=0;this.displayed_=Bd();this.nonDisplayed_=Bd();this.lastControlCode_=null;this.column_=0;this.row_=Ud;this.rollUpRows_=2;this.formatting_=[]};jd.prototype.setConstants=function(){if(0===this.dataChannel_){this.BASE_=16;this.EXT_=17;this.CONTROL_=(20|this.field_)<<8;this.OFFSET_=23}else if(1===this.dataChannel_){this.BASE_=24;this.EXT_=25;this.CONTROL_=(28|this.field_)<<8;this.OFFSET_=31}this.PADDING_=0;this.RESUME_CAPTION_LOADING_=32|this.CONTROL_;this.END_OF_CAPTION_=47|this.CONTROL_;this.ROLL_UP_2_ROWS_=37|this.CONTROL_;this.ROLL_UP_3_ROWS_=38|this.CONTROL_;this.ROLL_UP_4_ROWS_=39|this.CONTROL_;this.CARRIAGE_RETURN_=45|this.CONTROL_;this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_;this.BACKSPACE_=33|this.CONTROL_;this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_;this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_};jd.prototype.isSpecialCharacter=function(e,t){return e===this.EXT_&&48<=t&&63>=t};jd.prototype.isExtCharacter=function(e,t){return(e===this.EXT_+1||e===this.EXT_+2)&&32<=t&&63>=t};jd.prototype.isMidRowCode=function(e,t){return e===this.EXT_&&32<=t&&47>=t};jd.prototype.isOffsetControlCode=function(e,t){return e===this.OFFSET_&&33<=t&&35>=t};jd.prototype.isPAC=function(e,t){return e>=this.BASE_&&e<this.BASE_+8&&64<=t&&127>=t};jd.prototype.isColorPAC=function(e){return 64<=e&&79>=e||96<=e&&127>=e};jd.prototype.isNormalChar=function(e){return 32<=e&&127>=e};jd.prototype.setRollUp=function(e,t){if("rollUp"!==this.mode_){this.row_=Ud;this.mode_="rollUp";this.flushDisplayed(e);this.nonDisplayed_=Bd();this.displayed_=Bd()}if(t!==void 0&&t!==this.row_){for(var a=0;a<this.rollUpRows_;a++){this.displayed_[t-a]=this.displayed_[this.row_-a];this.displayed_[this.row_-a]=""}}if(t===void 0){t=this.row_}this.topRow_=t-this.rollUpRows_+1};jd.prototype.addFormatting=function(e,t){this.formatting_=this.formatting_.concat(t);var a=t.reduce(function(e,t){return e+"<"+t+">"},"");this[this.mode_](e,a)};jd.prototype.clearFormatting=function(e){if(!this.formatting_.length){return}var t=this.formatting_.reverse().reduce(function(e,t){return e+"</"+t+">"},"");this.formatting_=[];this[this.mode_](e,t)};jd.prototype.popOn=function(e,t){var a=this.nonDisplayed_[this.row_];a+=t;this.nonDisplayed_[this.row_]=a};jd.prototype.rollUp=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};jd.prototype.shiftRowsUp_=function(){var e;for(e=0;e<this.topRow_;e++){this.displayed_[e]=""}for(e=this.row_+1;e<Ud+1;e++){this.displayed_[e]=""}for(e=this.topRow_;e<this.row_;e++){this.displayed_[e]=this.displayed_[e+1]}this.displayed_[this.row_]=""};jd.prototype.paintOn=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};var Fd=Dd.discardEmulationPreventionBytes,Hd={CaptionStream:Od,Cea608Stream:jd}.CaptionStream,qd=function(e,t){for(var a=e,n=0,r;n<t.length;n++){r=t[n];if(a<r.size){return r}a-=r.size}return null},Vd=function(e,t,a){var n=new DataView(e.buffer,e.byteOffset,e.byteLength),r=[],s,o,l,d;for(o=0;o+4<e.length;o+=l){l=n.getUint32(o);o+=4;if(0>=l){continue}switch(31&e[o]){case 6:var p=e.subarray(o+1,o+1+l),u=qd(o,t);s={nalUnitType:"sei_rbsp",size:l,data:p,escapedRBSP:Fd(p),trackId:a};if(u){s.pts=u.pts;s.dts=u.dts;d=u}else{s.pts=d.pts;s.dts=d.dts}r.push(s);break;default:break;}}return r},Wd=function(e,t,a){var n=t,r=a.defaultSampleDuration||0,i=a.defaultSampleSize||0,s=a.trackId,o=[];e.forEach(function(e){var t=_d.parseTrun(e),a=t.samples;a.forEach(function(e){if(e.duration===void 0){e.duration=r}if(e.size===void 0){e.size=i}e.trackId=s;e.dts=n;if(e.compositionTimeOffset===void 0){e.compositionTimeOffset=0}e.pts=n+e.compositionTimeOffset;n+=e.duration});o=o.concat(a)});return o},zd=function(e,t){var a=Ed.findBox(e,["moof","traf"]),n=Ed.findBox(e,["mdat"]),r={},i=[];n.forEach(function(e,t){var n=a[t];i.push({mdat:e,traf:n})});i.forEach(function(e){var a=e.mdat,n=e.traf,i=Ed.findBox(n,["tfhd"]),s=_d.parseTfhd(i[0]),o=s.trackId,l=Ed.findBox(n,["tfdt"]),d=0<l.length?_d.parseTfdt(l[0]).baseMediaDecodeTime:0,p=Ed.findBox(n,["trun"]),u,c;if(t===o&&0<p.length){u=Wd(p,d,s);c=Vd(a,u,o);if(!r[o]){r[o]=[]}r[o]=r[o].concat(c)}});return r},Gd=function(e,t,a){var n;if(null===t){return null}n=zd(e,t);return{seiNals:n[t],timescale:a}},Kd=function(){var e=!1,t,a,n,r,i,s;this.isInitialized=function(){return e};this.init=function(a){t=new Hd;e=!0;s=a?a.isPartial:!1;t.on("data",function(e){e.startTime=e.startPts/r;e.endTime=e.endPts/r;i.captions.push(e);i.captionStreams[e.stream]=!0})};this.isNewInit=function(e,t){if(e&&0===e.length||t&&"object"===_typeof2(t)&&0===Object.keys(t).length){return!1}return n!==e[0]||r!==t[n]};this.parse=function(e,t,s){var o;if(!this.isInitialized()){return null}else if(!t||!s){return null}else if(this.isNewInit(t,s)){n=t[0];r=s[n]}else if(null===n||!r){a.push(e);return null}while(0<a.length){var l=a.shift();this.parse(l,t,s)}o=Gd(e,n,r);if(null===o||!o.seiNals){return null}this.pushNals(o.seiNals);this.flushStream();return i};this.pushNals=function(e){if(!this.isInitialized()||!e||0===e.length){return null}e.forEach(function(e){t.push(e)})};this.flushStream=function(){if(!this.isInitialized()){return null}if(!s){t.flush()}else{t.partialFlush()}};this.clearParsedCaptions=function(){i.captions=[];i.captionStreams={}};this.resetCaptionStream=function(){if(!this.isInitialized()){return null}t.reset()};this.clearAllCaptions=function(){this.clearParsedCaptions();this.resetCaptionStream()};this.reset=function(){a=[];n=null;r=null;if(!i){i={captions:[],captionStreams:{}}}else{this.clearParsedCaptions()}this.resetCaptionStream()};this.reset()},Yd={H264_STREAM_TYPE:27,ADTS_STREAM_TYPE:15,METADATA_STREAM_TYPE:21},Xd="shared",$d=function(e,t){var a=1;if(e>t){a=-1}while(Math.abs(t-e)>4294967296){e+=a*8589934592}return e},Qd=function e(t){var a,n;e.prototype.init.call(this);this.type_=t||Xd;this.push=function(e){if(this.type_!==Xd&&e.type!==this.type_){return}if(n===void 0){n=e.dts}e.dts=$d(e.dts,n);e.pts=$d(e.pts,n);a=e.dts;this.trigger("data",e)};this.flush=function(){n=a;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.discontinuity=function(){n=void 0;a=void 0};this.reset=function(){this.discontinuity();this.trigger("reset")}};Qd.prototype=new Ad;var Jd=function(e){var t=31&e[1];t<<=8;t|=e[2];return t},Zd=function(e){return!!(64&e[1])},ep=function(e){var t=0;if(1<(48&e[3])>>>4){t+=e[4]+1}return t},tp=function(e){var t={},a=Zd(e),n=4+ep(e);if(a){n+=e[n]+1}if(!(1&e[n+5])){return}var r,s,o;r=(15&e[n+1])<<8|e[n+2];s=3+r-4;o=(15&e[n+10])<<8|e[n+11];var l=12+o;while(l<s){var d=n+l;t[(31&e[d+1])<<8|e[d+2]]=e[d];l+=((15&e[d+3])<<8|e[d+4])+5}return t},ap=function(e){switch(e){case 5:return"slice_layer_without_partitioning_rbsp_idr";case 6:return"sei_rbsp";case 7:return"seq_parameter_set_rbsp";case 8:return"pic_parameter_set_rbsp";case 9:return"access_unit_delimiter_rbsp";default:return null;}},np=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],rp=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},ip=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},sp=function(e,t,a){return unescape(ip(e,t,a))},op=function(e){var t=0;while(t+5<e.length){if(255!==e[t]||240!=(246&e[t+1])){t++;continue}return np[(60&e[t+2])>>>2]}return null},lp=function(e){var t,a,n,r;t=10;if(64&e[5]){t+=4;t+=rp(e.subarray(10,14))}do{a=rp(e.subarray(t+4,t+8));if(1>a){return null}r=String.fromCharCode(e[t],e[t+1],e[t+2],e[t+3]);if("PRIV"===r){n=e.subarray(t+10,t+a+10);for(var s=0;s<n.byteLength;s++){if(0===n[s]){var o=sp(n,0,s);if("com.apple.streaming.transportStreamTimestamp"===o){var l=n.subarray(s+1),d=(1&l[3])<<30|l[4]<<22|l[5]<<14|l[6]<<6|l[7]>>>2;d*=4;d+=3&l[7];return d}break}}}t+=10;t+=a}while(t<e.byteLength);return null},dp=9e4,pp,up,cp,mp,gp,yp,hp;pp=function(e){return e*dp};up=function(e,t){return e*t};cp=function(e){return e/dp};mp=function(e,t){return e/t};gp=function(e,t){return pp(mp(e,t))};yp=function(e,t){return up(cp(e),t)};hp=function(e,t,a){return cp(a?e:e-t)};var _p={ONE_SECOND_IN_TS:dp,secondsToVideoTs:pp,secondsToAudioTs:up,videoTsToSeconds:cp,audioTsToSeconds:mp,audioTsToVideoTs:gp,videoTsToAudioTs:yp,metadataTsToSeconds:hp},fp={TimestampRolloverStream:Qd,handleRollover:$d}.handleRollover,Tp={};Tp.ts={parseType:function(e,t){var a=Jd(e);if(0===a){return"pat"}else if(a===t){return"pmt"}else if(t){return"pes"}return null},parsePat:function(e){var t=Zd(e),a=4+ep(e);if(t){a+=e[a]+1}return(31&e[a+10])<<8|e[a+11]},parsePmt:tp,parsePayloadUnitStartIndicator:Zd,parsePesType:function(e,t){var a=Jd(e),n=t[a];switch(n){case Yd.H264_STREAM_TYPE:return"video";case Yd.ADTS_STREAM_TYPE:return"audio";case Yd.METADATA_STREAM_TYPE:return"timed-metadata";default:return null;}},parsePesTime:function(e){var t=Zd(e);if(!t){return null}var a=4+ep(e);if(a>=e.byteLength){return null}var n=null,r;r=e[a+7];if(192&r){n={};n.pts=(14&e[a+9])<<27|(255&e[a+10])<<20|(254&e[a+11])<<12|(255&e[a+12])<<5|(254&e[a+13])>>>3;n.pts*=4;n.pts+=(6&e[a+13])>>>1;n.dts=n.pts;if(64&r){n.dts=(14&e[a+14])<<27|(255&e[a+15])<<20|(254&e[a+16])<<12|(255&e[a+17])<<5|(254&e[a+18])>>>3;n.dts*=4;n.dts+=(6&e[a+18])>>>1}}return n},videoPacketContainsKeyFrame:function(e){var t=4+ep(e),a=e.subarray(t),n=0,r=0,i=!1,s;for(;r<a.byteLength-3;r++){if(1===a[r+2]){n=r+5;break}}while(n<a.byteLength){switch(a[n]){case 0:if(0!==a[n-1]){n+=2;break}else if(0!==a[n-2]){n++;break}if(r+3!==n-2){s=ap(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}}do{n++}while(1!==a[n]&&n<a.length);r=n-2;n+=3;break;case 1:if(0!==a[n-1]||0!==a[n-2]){n+=3;break}s=ap(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}r=n-2;n+=3;break;default:n+=3;break;}}a=a.subarray(r);n-=r;r=0;if(a&&3<a.byteLength){s=ap(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}}return i}};Tp.aac={isLikelyAacData:function(e){if(e[0]===73&&e[1]===68&&e[2]===51){return!0}return!1},parseId3TagSize:function(e,t){var a=e[t+6]<<21|e[t+7]<<14|e[t+8]<<7|e[t+9],n=e[t+5];if((16&n)>>4){return a+20}return a+10},parseAdtsSize:function(e,t){var a=(224&e[t+5])>>5,n=e[t+4]<<3,r=e[t+3]&6144;return r|n|a},parseType:function(e,t){if(e[t]===73&&e[t+1]===68&&e[t+2]===51){return"timed-metadata"}else if(e[t]&!0&&240==(240&e[t+1])){return"audio"}return null},parseSampleRate:op,parseAacTimestamp:lp};var bp=_p.ONE_SECOND_IN_TS,vp=188,Sp=71,kp=function(e,t){var a=0,n=vp,r,i;while(n<e.byteLength){if(e[a]===Sp&&e[n]===Sp){r=e.subarray(a,n);i=Tp.ts.parseType(r,t.pid);switch(i){case"pat":if(!t.pid){t.pid=Tp.ts.parsePat(r)}break;case"pmt":if(!t.table){t.table=Tp.ts.parsePmt(r)}break;default:break;}if(t.pid&&t.table){return}a+=vp;n+=vp;continue}a++;n++}},Cp=function(e,t,a){var n=0,r=vp,i,s,o,l,d,p=!1;while(r<=e.byteLength){if(e[n]===Sp&&(e[r]===Sp||r===e.byteLength)){i=e.subarray(n,r);s=Tp.ts.parseType(i,t.pid);switch(s){case"pes":o=Tp.ts.parsePesType(i,t.table);l=Tp.ts.parsePayloadUnitStartIndicator(i);if("audio"===o&&l){d=Tp.ts.parsePesTime(i);if(d){d.type="audio";a.audio.push(d);p=!0}}break;default:break;}if(p){break}n+=vp;r+=vp;continue}n++;r++}r=e.byteLength;n=r-vp;p=!1;while(0<=n){if(e[n]===Sp&&(e[r]===Sp||r===e.byteLength)){i=e.subarray(n,r);s=Tp.ts.parseType(i,t.pid);switch(s){case"pes":o=Tp.ts.parsePesType(i,t.table);l=Tp.ts.parsePayloadUnitStartIndicator(i);if("audio"===o&&l){d=Tp.ts.parsePesTime(i);if(d){d.type="audio";a.audio.push(d);p=!0}}break;default:break;}if(p){break}n-=vp;r-=vp;continue}n--;r--}},Ep=function(e,t,a){var n=0,r=vp,s,o,l,d,p,u,c,m,g=!1,y={data:[],size:0};while(r<e.byteLength){if(e[n]===Sp&&e[r]===Sp){s=e.subarray(n,r);o=Tp.ts.parseType(s,t.pid);switch(o){case"pes":l=Tp.ts.parsePesType(s,t.table);d=Tp.ts.parsePayloadUnitStartIndicator(s);if("video"===l){if(d&&!g){p=Tp.ts.parsePesTime(s);if(p){p.type="video";a.video.push(p);g=!0}}if(!a.firstKeyFrame){if(d){if(0!==y.size){u=new Uint8Array(y.size);c=0;while(y.data.length){m=y.data.shift();u.set(m,c);c+=m.byteLength}if(Tp.ts.videoPacketContainsKeyFrame(u)){var h=Tp.ts.parsePesTime(u);if(h){a.firstKeyFrame=h;a.firstKeyFrame.type="video"}else{console.warn("Failed to extract PTS/DTS from PES at first keyframe. This could be an unusual TS segment, or else mux.js did not parse your TS segment correctly. If you know your TS segments do contain PTS/DTS on keyframes please file a bug report! 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r=e.firstKeyFrame;r.dts=fp(r.dts,n);r.pts=fp(r.pts,n);r.dtsTime=r.dts/bp;r.ptsTime=r.dts/bp}}},xp=function(e){var t=!1,a=0,n=null,r=null,i=0,s=0,o;while(3<=e.length-s){var l=Tp.aac.parseType(e,s);switch(l){case"timed-metadata":if(10>e.length-s){t=!0;break}i=Tp.aac.parseId3TagSize(e,s);if(i>e.length){t=!0;break}if(null===r){o=e.subarray(s,s+i);r=Tp.aac.parseAacTimestamp(o)}s+=i;break;case"audio":if(7>e.length-s){t=!0;break}i=Tp.aac.parseAdtsSize(e,s);if(i>e.length){t=!0;break}if(null===n){o=e.subarray(s,s+i);n=Tp.aac.parseSampleRate(o)}a++;s+=i;break;default:s++;break;}if(t){return null}}if(null===n||null===r){return null}var d=bp/n,p={audio:[{type:"audio",dts:r,pts:r},{type:"audio",dts:r+1024*a*d,pts:r+1024*a*d}]};return p},Lp=function(e){var t={pid:null,table:null},a={};kp(e,t);for(var n in t.table){if(t.table.hasOwnProperty(n)){var r=t.table[n];switch(r){case Yd.H264_STREAM_TYPE:a.video=[];Ep(e,t,a);if(0===a.video.length){delete a.video}break;case 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t&&("object"===_typeof2(t)||"function"==typeof t)?t:e},Op=function(){var e=[[[],[],[],[],[]],[[],[],[],[],[]]],t=e[0],a=e[1],n=t[4],r=a[4],o=void 0,l=void 0,p=void 0,u=[],d=[],c=void 0,m=void 0,g=void 0,y=void 0,h=void 0,_=void 0;for(o=0;256>o;o++){d[(u[o]=o<<1^283*(o>>7))^o]=o}for(l=p=0;!n[l];l^=c||1,p=d[p]||1){y=p^p<<1^p<<2^p<<3^p<<4;y=99^(y>>8^255&y);n[l]=y;r[y]=l;g=u[m=u[c=u[l]]];_=16843009*g^65537*m^257*c^16843008*l;h=257*u[y]^16843008*y;for(o=0;4>o;o++){t[o][l]=h=h<<24^h>>>8;a[o][y]=_=_<<24^_>>>8}}for(o=0;5>o;o++){t[o]=t[o].slice(0);a[o]=a[o].slice(0)}return e},Rp=null,Np=function(){function e(t){Pp(this,e);if(!Rp){Rp=Op()}this._tables=[[Rp[0][0].slice(),Rp[0][1].slice(),Rp[0][2].slice(),Rp[0][3].slice(),Rp[0][4].slice()],[Rp[1][0].slice(),Rp[1][1].slice(),Rp[1][2].slice(),Rp[1][3].slice(),Rp[1][4].slice()]];var a=void 0,n=void 0,r=void 0,s=void 0,o=void 0,l=this._tables[0][4],d=this._tables[1],p=t.length,u=1;if(4!==p&&6!==p&&8!==p){throw new Error("Invalid aes key 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e(){Pp(this,e);this.listeners={}}e.prototype.on=function(e,t){if(!this.listeners[e]){this.listeners[e]=[]}this.listeners[e].push(t)};e.prototype.off=function(e,t){if(!this.listeners[e]){return!1}var a=this.listeners[e].indexOf(t);this.listeners[e].splice(a,1);return-1<a};e.prototype.trigger=function(e){var t=this.listeners[e];if(!t){return}if(2===arguments.length){for(var a=t.length,n=0;n<a;++n){t[n].call(this,arguments[1])}}else{for(var r=Array.prototype.slice.call(arguments,1),s=t.length,o=0;o<s;++o){t[o].apply(this,r)}}};e.prototype.dispose=function(){this.listeners={}};e.prototype.pipe=function(e){this.on("data",function(t){e.push(t)})};return e}(),Mp=function(e){wp(t,e);function t(){Pp(this,t);var a=Ap(this,e.call(this,Up));a.jobs=[];a.delay=1;a.timeout_=null;return 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null}if(n.segments&&t.segments&&n.segments.length===t.segments.length&&n.endList===t.endList&&n.mediaSequence===t.mediaSequence){return null}var r=Xp(n,t);if(n.segments){r.segments=Zp(n.segments,t.segments,t.mediaSequence-n.mediaSequence)}r.segments.forEach(function(e){eu(e,r.resolvedUri)});for(var s=0;s<a.playlists.length;s++){if(a.playlists[s].id===t.id){a.playlists[s]=r}}a.playlists[t.id]=r;a.playlists[t.uri]=r;return a},au=function(e,t){return e+"-"+t},nu=function(e){var t=e.playlists.length;while(t--){var a=e.playlists[t];a.resolvedUri=Hp(e.uri,a.uri);a.id=au(t,a.uri);e.playlists[a.id]=a;e.playlists[a.uri]=a;if(!a.attributes){a.attributes={};Qp.warn("Invalid playlist STREAM-INF detected. 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i.addTagMapper(e)});i.push(t.responseText);i.end();i.manifest.uri=a;i.manifest.id=n;i.manifest.attributes=i.manifest.attributes||{};var s=tu(this.master,i.manifest);this.targetDuration=i.manifest.targetDuration;if(s){this.master=s;this.media_=this.master.playlists[n]}else{this.trigger("playlistunchanged")}if(!this.media().endList){e.clearTimeout(this.mediaUpdateTimeout);this.mediaUpdateTimeout=e.setTimeout(function(){r.trigger("mediaupdatetimeout")},iu(this.media(),!!s))}this.trigger("loadedplaylist")}},{key:"dispose",value:function(){this.trigger("dispose");this.stopRequest();e.clearTimeout(this.mediaUpdateTimeout);e.clearTimeout(this.finalRenditionTimeout);this.off()}},{key:"stopRequest",value:function(){if(this.request){var e=this.request;this.request=null;e.onreadystatechange=null;e.abort()}}},{key:"media",value:function(t,a){var n=this;if(!t){return this.media_}if("HAVE_NOTHING"===this.state){throw new Error("Cannot switch media playlist from "+this.state)}if("string"==typeof t){if(!this.master.playlists[t]){throw new Error("Unknown playlist URI: "+t)}t=this.master.playlists[t]}e.clearTimeout(this.finalRenditionTimeout);if(a){var r=1e3*(t.targetDuration/2)||5000;this.finalRenditionTimeout=e.setTimeout(this.media.bind(this,t,!1),r);return}var i=this.state,s=!this.media_||t.id!==this.media_.id;if(this.master.playlists[t.id].endList){if(this.request){this.request.onreadystatechange=null;this.request.abort();this.request=null}this.state="HAVE_METADATA";this.media_=t;if(s){this.trigger("mediachanging");this.trigger("mediachange")}return}if(!s){return}this.state="SWITCHING_MEDIA";if(this.request){if(t.resolvedUri===this.request.url){return}this.request.onreadystatechange=null;this.request.abort();this.request=null}if(this.media_){this.trigger("mediachanging")}this.request=this.hls_.xhr({uri:t.resolvedUri,withCredentials:this.withCredentials},function(e,a){if(!n.request){return}t.resolvedUri=qp(n.handleManifestRedirects,t.resolvedUri,a);if(e){return 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null}if("GA94"!==String.fromCharCode(e.payload[3],e.payload[4],e.payload[5],e.payload[6])){return null}if(3!==e.payload[7]){return null}return e.payload.subarray(8,e.payload.length-1)},parseCaptionPackets:function(e,t){var a=[],n,r,s,o;if(!(64&t[0])){return a}r=31&t[0];for(n=0;n<r;n++){s=3*n;o={type:3&t[s+2],pts:e};if(4&t[s+2]){o.ccData=t[s+3]<<8|t[s+4];a.push(o)}}return a},discardEmulationPreventionBytes:function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s},USER_DATA_REGISTERED_ITU_T_T35:le},pe=function e(){e.prototype.init.call(this);this.captionPackets_=[];this.ccStreams_=[new he(0,0),new he(0,1),new he(1,0),new he(1,1)];this.reset();this.ccStreams_.forEach(function(e){e.on("data",this.trigger.bind(this,"data"));e.on("partialdone",this.trigger.bind(this,"partialdone"));e.on("done",this.trigger.bind(this,"done"))},this)};pe.prototype=new a;pe.prototype.push=function(e){var t,a,n;if("sei_rbsp"!==e.nalUnitType){return}t=de.parseSei(e.escapedRBSP);if(t.payloadType!==de.USER_DATA_REGISTERED_ITU_T_T35){return}a=de.parseUserData(t);if(!a){return}if(e.dts<this.latestDts_){this.ignoreNextEqualDts_=!0;return}else if(e.dts===this.latestDts_&&this.ignoreNextEqualDts_){this.numSameDts_--;if(!this.numSameDts_){this.ignoreNextEqualDts_=!1}return}n=de.parseCaptionPackets(e.pts,a);this.captionPackets_=this.captionPackets_.concat(n);if(this.latestDts_!==e.dts){this.numSameDts_=0}this.numSameDts_++;this.latestDts_=e.dts};pe.prototype.flushCCStreams=function(e){this.ccStreams_.forEach(function(t){return"flush"===e?t.flush():t.partialFlush()},this)};pe.prototype.flushStream=function(e){if(!this.captionPackets_.length){this.flushCCStreams(e);return}this.captionPackets_.forEach(function(e,t){e.presortIndex=t});this.captionPackets_.sort(function(e,t){if(e.pts===t.pts){return e.presortIndex-t.presortIndex}return e.pts-t.pts});this.captionPackets_.forEach(function(e){if(2>e.type){this.dispatchCea608Packet(e)}},this);this.captionPackets_.length=0;this.flushCCStreams(e)};pe.prototype.flush=function(){return this.flushStream("flush")};pe.prototype.partialFlush=function(){return this.flushStream("partialFlush")};pe.prototype.reset=function(){this.latestDts_=null;this.ignoreNextEqualDts_=!1;this.numSameDts_=0;this.activeCea608Channel_=[null,null];this.ccStreams_.forEach(function(e){e.reset()})};pe.prototype.dispatchCea608Packet=function(e){if(this.setsTextOrXDSActive(e)){this.activeCea608Channel_[e.type]=null}else if(this.setsChannel1Active(e)){this.activeCea608Channel_[e.type]=0}else if(this.setsChannel2Active(e)){this.activeCea608Channel_[e.type]=1}if(null===this.activeCea608Channel_[e.type]){return}this.ccStreams_[(e.type<<1)+this.activeCea608Channel_[e.type]].push(e)};pe.prototype.setsChannel1Active=function(e){return 4096==(30720&e.ccData)};pe.prototype.setsChannel2Active=function(e){return 6144==(30720&e.ccData)};pe.prototype.setsTextOrXDSActive=function(e){return 256==(28928&e.ccData)||4138==(30974&e.ccData)||6186==(30974&e.ccData)};var ue={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},ce=function(e){if(null===e){return""}e=ue[e]||e;return String.fromCharCode(e)},me=14,ge=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],ye=function(){var e=[],t=me+1;while(t--){e.push("")}return e},he=function e(t,a){e.prototype.init.call(this);this.field_=t||0;this.dataChannel_=a||0;this.name_="CC"+((this.field_<<1|this.dataChannel_)+1);this.setConstants();this.reset();this.push=function(e){var t,a,n,r,i;t=32639&e.ccData;if(t===this.lastControlCode_){this.lastControlCode_=null;return}if(4096==(61440&t)){this.lastControlCode_=t}else if(t!==this.PADDING_){this.lastControlCode_=null}n=t>>>8;r=255&t;if(t===this.PADDING_){}else if(t===this.RESUME_CAPTION_LOADING_){this.mode_="popOn"}else if(t===this.END_OF_CAPTION_){this.mode_="popOn";this.clearFormatting(e.pts);this.flushDisplayed(e.pts);a=this.displayed_;this.displayed_=this.nonDisplayed_;this.nonDisplayed_=a;this.startPts_=e.pts}else if(t===this.ROLL_UP_2_ROWS_){this.rollUpRows_=2;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_3_ROWS_){this.rollUpRows_=3;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_4_ROWS_){this.rollUpRows_=4;this.setRollUp(e.pts)}else if(t===this.CARRIAGE_RETURN_){this.clearFormatting(e.pts);this.flushDisplayed(e.pts);this.shiftRowsUp_();this.startPts_=e.pts}else if(t===this.BACKSPACE_){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}}else if(t===this.ERASE_DISPLAYED_MEMORY_){this.flushDisplayed(e.pts);this.displayed_=ye()}else if(t===this.ERASE_NON_DISPLAYED_MEMORY_){this.nonDisplayed_=ye()}else if(t===this.RESUME_DIRECT_CAPTIONING_){if("paintOn"!==this.mode_){this.flushDisplayed(e.pts);this.displayed_=ye()}this.mode_="paintOn";this.startPts_=e.pts}else if(this.isSpecialCharacter(n,r)){n=(3&n)<<8;i=ce(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isExtCharacter(n,r)){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}n=(3&n)<<8;i=ce(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isMidRowCode(n,r)){this.clearFormatting(e.pts);this[this.mode_](e.pts," ");this.column_++;if(14==(14&r)){this.addFormatting(e.pts,["i"])}if(1==(1&r)){this.addFormatting(e.pts,["u"])}}else if(this.isOffsetControlCode(n,r)){this.column_+=3&r}else if(this.isPAC(n,r)){var s=ge.indexOf(7968&t);if("rollUp"===this.mode_){if(0>s-this.rollUpRows_+1){s=this.rollUpRows_-1}this.setRollUp(e.pts,s)}if(s!==this.row_){this.clearFormatting(e.pts);this.row_=s}if(1&r&&-1===this.formatting_.indexOf("u")){this.addFormatting(e.pts,["u"])}if(16==(16&t)){this.column_=4*((14&t)>>1)}if(this.isColorPAC(r)){if(14==(14&r)){this.addFormatting(e.pts,["i"])}}}else if(this.isNormalChar(n)){if(0===r){r=null}i=ce(n);i+=ce(r);this[this.mode_](e.pts,i);this.column_+=i.length}}};he.prototype=new a;he.prototype.flushDisplayed=function(e){var t=this.displayed_.map(function(e){try{return e.trim()}catch(t){console.error("Skipping malformed caption.");return""}}).join("\n").replace(/^\n+|\n+$/g,"");if(t.length){this.trigger("data",{startPts:this.startPts_,endPts:e,text:t,stream:this.name_})}};he.prototype.reset=function(){this.mode_="popOn";this.topRow_=0;this.startPts_=0;this.displayed_=ye();this.nonDisplayed_=ye();this.lastControlCode_=null;this.column_=0;this.row_=me;this.rollUpRows_=2;this.formatting_=[]};he.prototype.setConstants=function(){if(0===this.dataChannel_){this.BASE_=16;this.EXT_=17;this.CONTROL_=(20|this.field_)<<8;this.OFFSET_=23}else if(1===this.dataChannel_){this.BASE_=24;this.EXT_=25;this.CONTROL_=(28|this.field_)<<8;this.OFFSET_=31}this.PADDING_=0;this.RESUME_CAPTION_LOADING_=32|this.CONTROL_;this.END_OF_CAPTION_=47|this.CONTROL_;this.ROLL_UP_2_ROWS_=37|this.CONTROL_;this.ROLL_UP_3_ROWS_=38|this.CONTROL_;this.ROLL_UP_4_ROWS_=39|this.CONTROL_;this.CARRIAGE_RETURN_=45|this.CONTROL_;this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_;this.BACKSPACE_=33|this.CONTROL_;this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_;this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_};he.prototype.isSpecialCharacter=function(e,t){return e===this.EXT_&&48<=t&&63>=t};he.prototype.isExtCharacter=function(e,t){return(e===this.EXT_+1||e===this.EXT_+2)&&32<=t&&63>=t};he.prototype.isMidRowCode=function(e,t){return e===this.EXT_&&32<=t&&47>=t};he.prototype.isOffsetControlCode=function(e,t){return e===this.OFFSET_&&33<=t&&35>=t};he.prototype.isPAC=function(e,t){return e>=this.BASE_&&e<this.BASE_+8&&64<=t&&127>=t};he.prototype.isColorPAC=function(e){return 64<=e&&79>=e||96<=e&&127>=e};he.prototype.isNormalChar=function(e){return 32<=e&&127>=e};he.prototype.setRollUp=function(e,t){if("rollUp"!==this.mode_){this.row_=me;this.mode_="rollUp";this.flushDisplayed(e);this.nonDisplayed_=ye();this.displayed_=ye()}if(t!==void 0&&t!==this.row_){for(var a=0;a<this.rollUpRows_;a++){this.displayed_[t-a]=this.displayed_[this.row_-a];this.displayed_[this.row_-a]=""}}if(t===void 0){t=this.row_}this.topRow_=t-this.rollUpRows_+1};he.prototype.addFormatting=function(e,t){this.formatting_=this.formatting_.concat(t);var a=t.reduce(function(e,t){return e+"<"+t+">"},"");this[this.mode_](e,a)};he.prototype.clearFormatting=function(e){if(!this.formatting_.length){return}var t=this.formatting_.reverse().reduce(function(e,t){return e+"</"+t+">"},"");this.formatting_=[];this[this.mode_](e,t)};he.prototype.popOn=function(e,t){var a=this.nonDisplayed_[this.row_];a+=t;this.nonDisplayed_[this.row_]=a};he.prototype.rollUp=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};he.prototype.shiftRowsUp_=function(){var e;for(e=0;e<this.topRow_;e++){this.displayed_[e]=""}for(e=this.row_+1;e<me+1;e++){this.displayed_[e]=""}for(e=this.topRow_;e<this.row_;e++){this.displayed_[e]=this.displayed_[e+1]}this.displayed_[this.row_]=""};he.prototype.paintOn=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};var _e={CaptionStream:pe,Cea608Stream:he},fe={H264_STREAM_TYPE:27,ADTS_STREAM_TYPE:15,METADATA_STREAM_TYPE:21},Te="shared",be=function(e,t){var a=1;if(e>t){a=-1}while(Math.abs(t-e)>4294967296){e+=a*8589934592}return e},ve=function e(t){var a,n;e.prototype.init.call(this);this.type_=t||Te;this.push=function(e){if(this.type_!==Te&&e.type!==this.type_){return}if(n===void 0){n=e.dts}e.dts=be(e.dts,n);e.pts=be(e.pts,n);a=e.dts;this.trigger("data",e)};this.flush=function(){n=a;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.discontinuity=function(){n=void 0;a=void 0};this.reset=function(){this.discontinuity();this.trigger("reset")}};ve.prototype=new a;var Se=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},ke=function(e,t,a){return decodeURIComponent(Se(e,t,a))},Ce=function(e,t,a){return unescape(Se(e,t,a))},Ee=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},Ie={TXXX:function(e){var t;if(3!==e.data[0]){return}for(t=1;t<e.data.length;t++){if(0===e.data[t]){e.description=ke(e.data,1,t);e.value=ke(e.data,t+1,e.data.length).replace(/\0*$/,"");break}}e.data=e.value},WXXX:function(e){var t;if(3!==e.data[0]){return}for(t=1;t<e.data.length;t++){if(0===e.data[t]){e.description=ke(e.data,1,t);e.url=ke(e.data,t+1,e.data.length);break}}},PRIV:function(e){var t;for(t=0;t<e.data.length;t++){if(0===e.data[t]){e.owner=Ce(e.data,0,t);break}}e.privateData=e.data.subarray(t+1);e.data=e.privateData}},xe;xe=function(e){var t={debug:!!(e&&e.debug),descriptor:e&&e.descriptor},a=0,n=[],r=0,s;xe.prototype.init.call(this);this.dispatchType=fe.METADATA_STREAM_TYPE.toString(16);if(t.descriptor){for(s=0;s<t.descriptor.length;s++){this.dispatchType+=("00"+t.descriptor[s].toString(16)).slice(-2)}}this.push=function(e){var s,o,l,p,u,c;if("timed-metadata"!==e.type){return}if(e.dataAlignmentIndicator){r=0;n.length=0}if(0===n.length&&(10>e.data.length||e.data[0]!==73||e.data[1]!==68||e.data[2]!==51)){if(t.debug){console.log("Skipping unrecognized metadata packet")}return}n.push(e);r+=e.data.byteLength;if(1===n.length){a=Ee(e.data.subarray(6,10));a+=10}if(r<a){return}s={data:new Uint8Array(a),frames:[],pts:n[0].pts,dts:n[0].dts};for(u=0;u<a;){s.data.set(n[0].data.subarray(0,a-u),u);u+=n[0].data.byteLength;r-=n[0].data.byteLength;n.shift()}o=10;if(64&s.data[5]){o+=4;o+=Ee(s.data.subarray(10,14));a-=Ee(s.data.subarray(16,20))}do{l=Ee(s.data.subarray(o+4,o+8));if(1>l){return console.log("Malformed ID3 frame encountered. Skipping metadata parsing.")}c=String.fromCharCode(s.data[o],s.data[o+1],s.data[o+2],s.data[o+3]);p={id:c,data:s.data.subarray(o+10,o+l+10)};p.key=p.id;if(Ie[p.id]){Ie[p.id](p);if("com.apple.streaming.transportStreamTimestamp"===p.owner){var m=p.data,d=(1&m[3])<<30|m[4]<<22|m[5]<<14|m[6]<<6|m[7]>>>2;d*=4;d+=3&m[7];p.timeStamp=d;if(s.pts===void 0&&s.dts===void 0){s.pts=p.timeStamp;s.dts=p.timeStamp}this.trigger("timestamp",p)}}s.frames.push(p);o+=10;o+=l}while(o<a);this.trigger("data",s)}};xe.prototype=new a;var Le=xe,Pe={TimestampRolloverStream:ve,handleRollover:be}.TimestampRolloverStream,De,we,Ae,Oe=188,Re=71;De=function(){var e=new Uint8Array(Oe),t=0;De.prototype.init.call(this);this.push=function(a){var n=0,r=Oe,i;if(t){i=new Uint8Array(a.byteLength+t);i.set(e.subarray(0,t));i.set(a,t);t=0}else{i=a}while(r<i.byteLength){if(i[n]===Re&&i[r]===Re){this.trigger("data",i.subarray(n,r));n+=Oe;r+=Oe;continue}n++;r++}if(n<i.byteLength){e.set(i.subarray(n),0);t=i.byteLength-n}};this.flush=function(){if(t===Oe&&e[0]===Re){this.trigger("data",e);t=0}this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.reset=function(){t=0;this.trigger("reset")}};De.prototype=new a;we=function(){var e,t,a,n;we.prototype.init.call(this);n=this;this.packetsWaitingForPmt=[];this.programMapTable=void 0;e=function(e,n){var r=0;if(n.payloadUnitStartIndicator){r+=e[r]+1}if("pat"===n.type){t(e.subarray(r),n)}else{a(e.subarray(r),n)}};t=function(e,t){t.section_number=e[7];t.last_section_number=e[8];n.pmtPid=(31&e[10])<<8|e[11];t.pmtPid=n.pmtPid};a=function(e,t){var a,r,i,s;if(!(1&e[5])){return}n.programMapTable={video:null,audio:null,"timed-metadata":{}};a=(15&e[1])<<8|e[2];r=3+a-4;i=(15&e[10])<<8|e[11];s=12+i;while(s<r){var o=e[s],l=(31&e[s+1])<<8|e[s+2];if(o===fe.H264_STREAM_TYPE&&null===n.programMapTable.video){n.programMapTable.video=l}else if(o===fe.ADTS_STREAM_TYPE&&null===n.programMapTable.audio){n.programMapTable.audio=l}else if(o===fe.METADATA_STREAM_TYPE){n.programMapTable["timed-metadata"][l]=o}s+=((15&e[s+3])<<8|e[s+4])+5}t.programMapTable=n.programMapTable};this.push=function(t){var a={},n=4;a.payloadUnitStartIndicator=!!(64&t[1]);a.pid=31&t[1];a.pid<<=8;a.pid|=t[2];if(1<(48&t[3])>>>4){n+=t[n]+1}if(0===a.pid){a.type="pat";e(t.subarray(n),a);this.trigger("data",a)}else if(a.pid===this.pmtPid){a.type="pmt";e(t.subarray(n),a);this.trigger("data",a);while(this.packetsWaitingForPmt.length){this.processPes_.apply(this,this.packetsWaitingForPmt.shift())}}else if(this.programMapTable===void 0){this.packetsWaitingForPmt.push([t,n,a])}else{this.processPes_(t,n,a)}};this.processPes_=function(e,t,a){if(a.pid===this.programMapTable.video){a.streamType=fe.H264_STREAM_TYPE}else if(a.pid===this.programMapTable.audio){a.streamType=fe.ADTS_STREAM_TYPE}else{a.streamType=this.programMapTable["timed-metadata"][a.pid]}a.type="pes";a.data=e.subarray(t);this.trigger("data",a)}};we.prototype=new a;we.STREAM_TYPES={h264:27,adts:15};Ae=function(){var e=this,t={data:[],size:0},a={data:[],size:0},n={data:[],size:0},r,s=function(e,t){var a;t.packetLength=6+(e[4]<<8|e[5]);t.dataAlignmentIndicator=0!=(4&e[6]);a=e[7];if(192&a){t.pts=(14&e[9])<<27|(255&e[10])<<20|(254&e[11])<<12|(255&e[12])<<5|(254&e[13])>>>3;t.pts*=4;t.pts+=(6&e[13])>>>1;t.dts=t.pts;if(64&a){t.dts=(14&e[14])<<27|(255&e[15])<<20|(254&e[16])<<12|(255&e[17])<<5|(254&e[18])>>>3;t.dts*=4;t.dts+=(6&e[18])>>>1}}t.data=e.subarray(9+e[8])},o=function(t,a,n){var r=new Uint8Array(t.size),o={type:a},l=0,d=0,p=!1,u;if(!t.data.length||9>t.size){return}o.trackId=t.data[0].pid;for(l=0;l<t.data.length;l++){u=t.data[l];r.set(u.data,d);d+=u.data.byteLength}s(r,o);p="video"===a||o.packetLength<=t.size;if(n||p){t.size=0;t.data.length=0}if(p){e.trigger("data",o)}};Ae.prototype.init.call(this);this.push=function(i){({pat:function(){},pes:function(){var e,r;switch(i.streamType){case fe.H264_STREAM_TYPE:case fe.H264_STREAM_TYPE:e=t;r="video";break;case fe.ADTS_STREAM_TYPE:e=a;r="audio";break;case fe.METADATA_STREAM_TYPE:e=n;r="timed-metadata";break;default:return;}if(i.payloadUnitStartIndicator){o(e,r,!0)}e.data.push(i);e.size+=i.data.byteLength},pmt:function(){var t={type:"metadata",tracks:[]};r=i.programMapTable;if(null!==r.video){t.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+r.video,codec:"avc",type:"video"})}if(null!==r.audio){t.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+r.audio,codec:"adts",type:"audio"})}e.trigger("data",t)}})[i.type]()};this.reset=function(){t.size=0;t.data.length=0;a.size=0;a.data.length=0;this.trigger("reset")};this.flushStreams_=function(){o(t,"video");o(a,"audio");o(n,"timed-metadata")};this.flush=function(){this.flushStreams_();this.trigger("done")}};Ae.prototype=new a;var Ne={PAT_PID:0,MP2T_PACKET_LENGTH:Oe,TransportPacketStream:De,TransportParseStream:we,ElementaryStream:Ae,TimestampRolloverStream:Pe,CaptionStream:_e.CaptionStream,Cea608Stream:_e.Cea608Stream,MetadataStream:Le};for(var Ue in fe){if(fe.hasOwnProperty(Ue)){Ne[Ue]=fe[Ue]}}var Me=Ne,Be=ne.ONE_SECOND_IN_TS,je,Fe=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];je=function(e){var t,a=0;je.prototype.init.call(this);this.push=function(n){var r=0,s,o,l,d,p,u;if(!e){a=0}if("audio"!==n.type){return}if(t){d=t;t=new Uint8Array(d.byteLength+n.data.byteLength);t.set(d);t.set(n.data,d.byteLength)}else{t=n.data}while(r+5<t.length){if(255!==t[r]||240!=(246&t[r+1])){r++;continue}o=2*(1&~t[r+1]);s=(3&t[r+3])<<11|t[r+4]<<3|(224&t[r+5])>>5;p=1024*((3&t[r+6])+1);u=p*Be/Fe[(60&t[r+2])>>>2];l=r+s;if(t.byteLength<l){return}this.trigger("data",{pts:n.pts+a*u,dts:n.dts+a*u,sampleCount:p,audioobjecttype:(3&t[r+2]>>>6)+1,channelcount:(1&t[r+2])<<2|(192&t[r+3])>>>6,samplerate:Fe[(60&t[r+2])>>>2],samplingfrequencyindex:(60&t[r+2])>>>2,samplesize:16,data:t.subarray(r+7+o,l)});a++;if(t.byteLength===l){t=void 0;return}t=t.subarray(l)}};this.flush=function(){a=0;this.trigger("done")};this.reset=function(){t=void 0;this.trigger("reset")};this.endTimeline=function(){t=void 0;this.trigger("endedtimeline")}};je.prototype=new a;var He=je,qe;qe=function(e){var t=e.byteLength,a=0,n=0;this.length=function(){return 8*t};this.bitsAvailable=function(){return 8*t+n};this.loadWord=function(){var r=e.byteLength-t,i=new Uint8Array(4),s=Math.min(4,t);if(0===s){throw new Error("no bytes available")}i.set(e.subarray(r,r+s));a=new DataView(i.buffer).getUint32(0);n=8*s;t-=s};this.skipBits=function(e){var r;if(n>e){a<<=e;n-=e}else{e-=n;r=Math.floor(e/8);e-=8*r;t-=r;this.loadWord();a<<=e;n-=e}};this.readBits=function(e){var r=Math.min(n,e),i=a>>>32-r;n-=r;if(0<n){a<<=r}else if(0<t){this.loadWord()}r=e-r;if(0<r){return i<<r|this.readBits(r)}return i};this.skipLeadingZeros=function(){var e;for(e=0;e<n;++e){if(0!=(a&2147483648>>>e)){a<<=e;n-=e;return e}}this.loadWord();return e+this.skipLeadingZeros()};this.skipUnsignedExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())};this.skipExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())};this.readUnsignedExpGolomb=function(){var e=this.skipLeadingZeros();return this.readBits(e+1)-1};this.readExpGolomb=function(){var e=this.readUnsignedExpGolomb();if(1&e){return 1+e>>>1}return-1*(e>>>1)};this.readBoolean=function(){return 1===this.readBits(1)};this.readUnsignedByte=function(){return this.readBits(8)};this.loadWord()};var Ve=qe,We,ze,Ge;ze=function(){var e=0,t,a;ze.prototype.init.call(this);this.push=function(n){var r;if(!a){a=n.data}else{r=new Uint8Array(a.byteLength+n.data.byteLength);r.set(a);r.set(n.data,a.byteLength);a=r}var i=a.byteLength;for(;e<i-3;e++){if(1===a[e+2]){t=e+5;break}}while(t<i){switch(a[t]){case 0:if(0!==a[t-1]){t+=2;break}else if(0!==a[t-2]){t++;break}if(e+3!==t-2){this.trigger("data",a.subarray(e+3,t-2))}do{t++}while(1!==a[t]&&t<i);e=t-2;t+=3;break;case 1:if(0!==a[t-1]||0!==a[t-2]){t+=3;break}this.trigger("data",a.subarray(e+3,t-2));e=t-2;t+=3;break;default:t+=3;break;}}a=a.subarray(e);t-=e;e=0};this.reset=function(){a=null;e=0;this.trigger("reset")};this.flush=function(){if(a&&3<a.byteLength){this.trigger("data",a.subarray(e+3))}a=null;e=0;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")}};ze.prototype=new a;Ge={100:!0,110:!0,122:!0,244:!0,44:!0,83:!0,86:!0,118:!0,128:!0,138:!0,139:!0,134:!0};We=function(){var e=new ze,t,a,n,r,i,s,o;We.prototype.init.call(this);t=this;this.push=function(t){if("video"!==t.type){return}a=t.trackId;n=t.pts;r=t.dts;e.push(t)};e.on("data",function(e){var o={trackId:a,pts:n,dts:r,data:e};switch(31&e[0]){case 5:o.nalUnitType="slice_layer_without_partitioning_rbsp_idr";break;case 6:o.nalUnitType="sei_rbsp";o.escapedRBSP=i(e.subarray(1));break;case 7:o.nalUnitType="seq_parameter_set_rbsp";o.escapedRBSP=i(e.subarray(1));o.config=s(o.escapedRBSP);break;case 8:o.nalUnitType="pic_parameter_set_rbsp";break;case 9:o.nalUnitType="access_unit_delimiter_rbsp";break;default:break;}t.trigger("data",o)});e.on("done",function(){t.trigger("done")});e.on("partialdone",function(){t.trigger("partialdone")});e.on("reset",function(){t.trigger("reset")});e.on("endedtimeline",function(){t.trigger("endedtimeline")});this.flush=function(){e.flush()};this.partialFlush=function(){e.partialFlush()};this.reset=function(){e.reset()};this.endTimeline=function(){e.endTimeline()};o=function(e,t){var a=8,n=8,r,i;for(r=0;r<e;r++){if(0!==n){i=t.readExpGolomb();n=(a+i+256)%256}a=0===n?a:n}};i=function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s};s=function(e){var t=0,a=0,n=0,r=0,s=1,l,d,p,u,c,m,g,y,h,_,f,T,b,v;l=new Ve(e);d=l.readUnsignedByte();u=l.readUnsignedByte();p=l.readUnsignedByte();l.skipUnsignedExpGolomb();if(Ge[d]){c=l.readUnsignedExpGolomb();if(3===c){l.skipBits(1)}l.skipUnsignedExpGolomb();l.skipUnsignedExpGolomb();l.skipBits(1);if(l.readBoolean()){f=3!==c?8:12;for(v=0;v<f;v++){if(l.readBoolean()){if(6>v){o(16,l)}else{o(64,l)}}}}}l.skipUnsignedExpGolomb();m=l.readUnsignedExpGolomb();if(0===m){l.readUnsignedExpGolomb()}else if(1===m){l.skipBits(1);l.skipExpGolomb();l.skipExpGolomb();g=l.readUnsignedExpGolomb();for(v=0;v<g;v++){l.skipExpGolomb()}}l.skipUnsignedExpGolomb();l.skipBits(1);y=l.readUnsignedExpGolomb();h=l.readUnsignedExpGolomb();_=l.readBits(1);if(0===_){l.skipBits(1)}l.skipBits(1);if(l.readBoolean()){t=l.readUnsignedExpGolomb();a=l.readUnsignedExpGolomb();n=l.readUnsignedExpGolomb();r=l.readUnsignedExpGolomb()}if(l.readBoolean()){if(l.readBoolean()){b=l.readUnsignedByte();switch(b){case 1:T=[1,1];break;case 2:T=[12,11];break;case 3:T=[10,11];break;case 4:T=[16,11];break;case 5:T=[40,33];break;case 6:T=[24,11];break;case 7:T=[20,11];break;case 8:T=[32,11];break;case 9:T=[80,33];break;case 10:T=[18,11];break;case 11:T=[15,11];break;case 12:T=[64,33];break;case 13:T=[160,99];break;case 14:T=[4,3];break;case 15:T=[3,2];break;case 16:T=[2,1];break;case 255:{T=[l.readUnsignedByte()<<8|l.readUnsignedByte(),l.readUnsignedByte()<<8|l.readUnsignedByte()];break}}if(T){s=T[0]/T[1]}}}return{profileIdc:d,levelIdc:p,profileCompatibility:u,width:Math.ceil((16*(y+1)-2*t-2*a)*s),height:16*((2-_)*(h+1))-2*n-2*r,sarRatio:T}}};We.prototype=new a;var Ke={H264Stream:We,NalByteStream:ze},Ye=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],Xe=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},$e=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},Qe=function(e,t,a){return unescape($e(e,t,a))},Je={isLikelyAacData:function(e){if(e[0]===73&&e[1]===68&&e[2]===51){return!0}return!1},parseId3TagSize:function(e,t){var a=e[t+6]<<21|e[t+7]<<14|e[t+8]<<7|e[t+9],n=e[t+5];if((16&n)>>4){return a+20}return a+10},parseAdtsSize:function(e,t){var a=(224&e[t+5])>>5,n=e[t+4]<<3,r=e[t+3]&6144;return r|n|a},parseType:function(e,t){if(e[t]===73&&e[t+1]===68&&e[t+2]===51){return"timed-metadata"}else if(e[t]&!0&&240==(240&e[t+1])){return"audio"}return null},parseSampleRate:function(e){var t=0;while(t+5<e.length){if(255!==e[t]||240!=(246&e[t+1])){t++;continue}return Ye[(60&e[t+2])>>>2]}return null},parseAacTimestamp:function(e){var t,a,n,r;t=10;if(64&e[5]){t+=4;t+=Xe(e.subarray(10,14))}do{a=Xe(e.subarray(t+4,t+8));if(1>a){return null}r=String.fromCharCode(e[t],e[t+1],e[t+2],e[t+3]);if("PRIV"===r){n=e.subarray(t+10,t+a+10);for(var s=0;s<n.byteLength;s++){if(0===n[s]){var o=Qe(n,0,s);if("com.apple.streaming.transportStreamTimestamp"===o){var l=n.subarray(s+1),d=(1&l[3])<<30|l[4]<<22|l[5]<<14|l[6]<<6|l[7]>>>2;d*=4;d+=3&l[7];return d}break}}}t+=10;t+=a}while(t<e.byteLength);return null}},Ze;Ze=function(){var e=new Uint8Array,t=0;Ze.prototype.init.call(this);this.setTimestamp=function(e){t=e};this.push=function(a){var n=0,r=0,i,s,o,l;if(e.length){l=e.length;e=new Uint8Array(a.byteLength+l);e.set(e.subarray(0,l));e.set(a,l)}else{e=a}while(3<=e.length-r){if(e[r]===73&&e[r+1]===68&&e[r+2]===51){if(10>e.length-r){break}n=Je.parseId3TagSize(e,r);if(r+n>e.length){break}s={type:"timed-metadata",data:e.subarray(r,r+n)};this.trigger("data",s);r+=n;continue}else if(255==(255&e[r])&&240==(240&e[r+1])){if(7>e.length-r){break}n=Je.parseAdtsSize(e,r);if(r+n>e.length){break}o={type:"audio",data:e.subarray(r,r+n),pts:t,dts:t};this.trigger("data",o);r+=n;continue}r++}i=e.length-r;if(0<i){e=e.subarray(r)}else{e=new Uint8Array}};this.reset=function(){e=new Uint8Array;this.trigger("reset")};this.endTimeline=function(){e=new Uint8Array;this.trigger("endedtimeline")}};Ze.prototype=new a;var et=Ze,tt=Ke.H264Stream,at=Je.isLikelyAacData,nt=ne.ONE_SECOND_IN_TS,rt=["audioobjecttype","channelcount","samplerate","samplingfrequencyindex","samplesize"],it=["width","height","profileIdc","levelIdc","profileCompatibility","sarRatio"],st,ot,lt,dt,pt=function(e,t){var a;if(e.length!==t.length){return!1}for(a=0;a<e.length;a++){if(e[a]!==t[a]){return!1}}return!0},ut=function(e,t,a,n,r,i){return{start:{dts:e,pts:e+(a-t)},end:{dts:e+(n-t),pts:e+(r-a)},prependedContentDuration:i,baseMediaDecodeTime:e}};ot=function(e,t){var a=[],n=0,r=0,i=0,s=1/0;t=t||{};ot.prototype.init.call(this);this.push=function(t){oe.collectDtsInfo(e,t);if(e){rt.forEach(function(a){e[a]=t[a]})}a.push(t)};this.setEarliestDts=function(t){r=t-e.timelineStartInfo.baseMediaDecodeTime};this.setVideoBaseMediaDecodeTime=function(e){s=e};this.setAudioAppendStart=function(e){i=e};this.flush=function(){var o,l,d,p,u;if(0===a.length){this.trigger("done","AudioSegmentStream");return}o=ie.trimAdtsFramesByEarliestDts(a,e,r);e.baseMediaDecodeTime=oe.calculateTrackBaseMediaDecodeTime(e,t.keepOriginalTimestamps);ie.prefixWithSilence(e,o,i,s);e.samples=ie.generateSampleTable(o);d=F.mdat(ie.concatenateFrameData(o));a=[];l=F.moof(n,[e]);p=new Uint8Array(l.byteLength+d.byteLength);n++;p.set(l);p.set(d,l.byteLength);oe.clearDtsInfo(e);u=Math.ceil(1024*nt/e.samplerate);if(o.length){this.trigger("timingInfo",{start:o[0].pts,end:o[0].pts+o.length*u})}this.trigger("data",{track:e,boxes:p});this.trigger("done","AudioSegmentStream")};this.reset=function(){oe.clearDtsInfo(e);a=[];this.trigger("reset")}};ot.prototype=new a;st=function(e,t){var a=0,n=[],r=[],i,s;t=t||{};st.prototype.init.call(this);delete e.minPTS;this.gopCache_=[];this.push=function(t){oe.collectDtsInfo(e,t);if("seq_parameter_set_rbsp"===t.nalUnitType&&!i){i=t.config;e.sps=[t.data];it.forEach(function(t){e[t]=i[t]},this)}if("pic_parameter_set_rbsp"===t.nalUnitType&&!s){s=t.data;e.pps=[t.data]}n.push(t)};this.flush=function(){var i,s,o,l,d,p,u=0,c,m;while(n.length){if("access_unit_delimiter_rbsp"===n[0].nalUnitType){break}n.shift()}if(0===n.length){this.resetStream_();this.trigger("done","VideoSegmentStream");return}i=V.groupNalsIntoFrames(n);o=V.groupFramesIntoGops(i);if(!o[0][0].keyFrame){s=this.getGopForFusion_(n[0],e);if(s){u=s.duration;o.unshift(s);o.byteLength+=s.byteLength;o.nalCount+=s.nalCount;o.pts=s.pts;o.dts=s.dts;o.duration+=s.duration}else{o=V.extendFirstKeyFrame(o)}}if(r.length){var g;if(t.alignGopsAtEnd){g=this.alignGopsAtEnd_(o)}else{g=this.alignGopsAtStart_(o)}if(!g){this.gopCache_.unshift({gop:o.pop(),pps:e.pps,sps:e.sps});this.gopCache_.length=Math.min(6,this.gopCache_.length);n=[];this.resetStream_();this.trigger("done","VideoSegmentStream");return}oe.clearDtsInfo(e);o=g}oe.collectDtsInfo(e,o);e.samples=V.generateSampleTable(o);d=F.mdat(V.concatenateNalData(o));e.baseMediaDecodeTime=oe.calculateTrackBaseMediaDecodeTime(e,t.keepOriginalTimestamps);this.trigger("processedGopsInfo",o.map(function(e){return{pts:e.pts,dts:e.dts,byteLength:e.byteLength}}));c=o[0];m=o[o.length-1];this.trigger("segmentTimingInfo",ut(e.baseMediaDecodeTime,c.dts,c.pts,m.dts+m.duration,m.pts+m.duration,u));this.trigger("timingInfo",{start:o[0].pts,end:o[o.length-1].pts+o[o.length-1].duration});this.gopCache_.unshift({gop:o.pop(),pps:e.pps,sps:e.sps});this.gopCache_.length=Math.min(6,this.gopCache_.length);n=[];this.trigger("baseMediaDecodeTime",e.baseMediaDecodeTime);this.trigger("timelineStartInfo",e.timelineStartInfo);l=F.moof(a,[e]);p=new Uint8Array(l.byteLength+d.byteLength);a++;p.set(l);p.set(d,l.byteLength);this.trigger("data",{track:e,boxes:p});this.resetStream_();this.trigger("done","VideoSegmentStream")};this.reset=function(){this.resetStream_();n=[];this.gopCache_.length=0;r.length=0;this.trigger("reset")};this.resetStream_=function(){oe.clearDtsInfo(e);i=void 0;s=void 0};this.getGopForFusion_=function(t){var a=1/0,n,r,s,o,l;for(l=0;l<this.gopCache_.length;l++){o=this.gopCache_[l];s=o.gop;if(!(e.pps&&pt(e.pps[0],o.pps[0]))||!(e.sps&&pt(e.sps[0],o.sps[0]))){continue}if(s.dts<e.timelineStartInfo.dts){continue}n=t.dts-s.dts-s.duration;if(n>=-10000&&n<=45000){if(!r||a>n){r=o;a=n}}}if(r){return r.gop}return null};this.alignGopsAtStart_=function(e){var t,a,n,i,s,o,l,d;s=e.byteLength;o=e.nalCount;l=e.duration;t=a=0;while(t<r.length&&a<e.length){n=r[t];i=e[a];if(n.pts===i.pts){break}if(i.pts>n.pts){t++;continue}a++;s-=i.byteLength;o-=i.nalCount;l-=i.duration}if(0===a){return e}if(a===e.length){return null}d=e.slice(a);d.byteLength=s;d.duration=l;d.nalCount=o;d.pts=d[0].pts;d.dts=d[0].dts;return d};this.alignGopsAtEnd_=function(e){var t,a,n,i,s,o;t=r.length-1;a=e.length-1;s=null;o=!1;while(0<=t&&0<=a){n=r[t];i=e[a];if(n.pts===i.pts){o=!0;break}if(n.pts>i.pts){t--;continue}if(t===r.length-1){s=a}a--}if(!o&&null===s){return null}var l;if(o){l=a}else{l=s}if(0===l){return e}var d=e.slice(l),p=d.reduce(function(e,t){e.byteLength+=t.byteLength;e.duration+=t.duration;e.nalCount+=t.nalCount;return e},{byteLength:0,duration:0,nalCount:0});d.byteLength=p.byteLength;d.duration=p.duration;d.nalCount=p.nalCount;d.pts=d[0].pts;d.dts=d[0].dts;return d};this.alignGopsWith=function(e){r=e}};st.prototype=new a;dt=function(e,t){this.numberOfTracks=0;this.metadataStream=t;e=e||{};if("undefined"!=typeof e.remux){this.remuxTracks=!!e.remux}else{this.remuxTracks=!0}if("boolean"==typeof e.keepOriginalTimestamps){this.keepOriginalTimestamps=e.keepOriginalTimestamps}else{this.keepOriginalTimestamps=!1}this.pendingTracks=[];this.videoTrack=null;this.pendingBoxes=[];this.pendingCaptions=[];this.pendingMetadata=[];this.pendingBytes=0;this.emittedTracks=0;dt.prototype.init.call(this);this.push=function(e){if(e.text){return this.pendingCaptions.push(e)}if(e.frames){return this.pendingMetadata.push(e)}this.pendingTracks.push(e.track);this.pendingBytes+=e.boxes.byteLength;if("video"===e.track.type){this.videoTrack=e.track;this.pendingBoxes.push(e.boxes)}if("audio"===e.track.type){this.audioTrack=e.track;this.pendingBoxes.unshift(e.boxes)}}};dt.prototype=new a;dt.prototype.flush=function(e){var t=0,a={captions:[],captionStreams:{},metadata:[],info:{}},n,r,s,o=0,l;if(this.pendingTracks.length<this.numberOfTracks){if("VideoSegmentStream"!==e&&"AudioSegmentStream"!==e){return}else if(this.remuxTracks){return}else if(0===this.pendingTracks.length){this.emittedTracks++;if(this.emittedTracks>=this.numberOfTracks){this.trigger("done");this.emittedTracks=0}return}}if(this.videoTrack){o=this.videoTrack.timelineStartInfo.pts;it.forEach(function(e){a.info[e]=this.videoTrack[e]},this)}else if(this.audioTrack){o=this.audioTrack.timelineStartInfo.pts;rt.forEach(function(e){a.info[e]=this.audioTrack[e]},this)}if(this.videoTrack||this.audioTrack){if(1===this.pendingTracks.length){a.type=this.pendingTracks[0].type}else{a.type="combined"}this.emittedTracks+=this.pendingTracks.length;s=F.initSegment(this.pendingTracks);a.initSegment=new Uint8Array(s.byteLength);a.initSegment.set(s);a.data=new Uint8Array(this.pendingBytes);for(l=0;l<this.pendingBoxes.length;l++){a.data.set(this.pendingBoxes[l],t);t+=this.pendingBoxes[l].byteLength}for(l=0;l<this.pendingCaptions.length;l++){n=this.pendingCaptions[l];n.startTime=ne.metadataTsToSeconds(n.startPts,o,this.keepOriginalTimestamps);n.endTime=ne.metadataTsToSeconds(n.endPts,o,this.keepOriginalTimestamps);a.captionStreams[n.stream]=!0;a.captions.push(n)}for(l=0;l<this.pendingMetadata.length;l++){r=this.pendingMetadata[l];r.cueTime=ne.metadataTsToSeconds(r.pts,o,this.keepOriginalTimestamps);a.metadata.push(r)}a.metadata.dispatchType=this.metadataStream.dispatchType;this.pendingTracks.length=0;this.videoTrack=null;this.pendingBoxes.length=0;this.pendingCaptions.length=0;this.pendingBytes=0;this.pendingMetadata.length=0;this.trigger("data",a);for(l=0;l<a.captions.length;l++){n=a.captions[l];this.trigger("caption",n)}for(l=0;l<a.metadata.length;l++){r=a.metadata[l];this.trigger("id3Frame",r)}}if(this.emittedTracks>=this.numberOfTracks){this.trigger("done");this.emittedTracks=0}};dt.prototype.setRemux=function(e){this.remuxTracks=e};lt=function(e){var t=this,a=!0,n,r;lt.prototype.init.call(this);e=e||{};this.baseMediaDecodeTime=e.baseMediaDecodeTime||0;this.transmuxPipeline_={};this.setupAacPipeline=function(){var a={};this.transmuxPipeline_=a;a.type="aac";a.metadataStream=new Me.MetadataStream;a.aacStream=new et;a.audioTimestampRolloverStream=new Me.TimestampRolloverStream("audio");a.timedMetadataTimestampRolloverStream=new Me.TimestampRolloverStream("timed-metadata");a.adtsStream=new He;a.coalesceStream=new dt(e,a.metadataStream);a.headOfPipeline=a.aacStream;a.aacStream.pipe(a.audioTimestampRolloverStream).pipe(a.adtsStream);a.aacStream.pipe(a.timedMetadataTimestampRolloverStream).pipe(a.metadataStream).pipe(a.coalesceStream);a.metadataStream.on("timestamp",function(e){a.aacStream.setTimestamp(e.timeStamp)});a.aacStream.on("data",function(i){if("timed-metadata"===i.type&&!a.audioSegmentStream){r=r||{timelineStartInfo:{baseMediaDecodeTime:t.baseMediaDecodeTime},codec:"adts",type:"audio"};a.coalesceStream.numberOfTracks++;a.audioSegmentStream=new ot(r,e);a.audioSegmentStream.on("timingInfo",t.trigger.bind(t,"audioTimingInfo"));a.adtsStream.pipe(a.audioSegmentStream).pipe(a.coalesceStream)}t.trigger("trackinfo",{hasAudio:!!r,hasVideo:!!n})});a.coalesceStream.on("data",this.trigger.bind(this,"data"));a.coalesceStream.on("done",this.trigger.bind(this,"done"))};this.setupTsPipeline=function(){var a={};this.transmuxPipeline_=a;a.type="ts";a.metadataStream=new Me.MetadataStream;a.packetStream=new Me.TransportPacketStream;a.parseStream=new Me.TransportParseStream;a.elementaryStream=new Me.ElementaryStream;a.timestampRolloverStream=new Me.TimestampRolloverStream;a.adtsStream=new He;a.h264Stream=new tt;a.captionStream=new Me.CaptionStream;a.coalesceStream=new dt(e,a.metadataStream);a.headOfPipeline=a.packetStream;a.packetStream.pipe(a.parseStream).pipe(a.elementaryStream).pipe(a.timestampRolloverStream);a.timestampRolloverStream.pipe(a.h264Stream);a.timestampRolloverStream.pipe(a.adtsStream);a.timestampRolloverStream.pipe(a.metadataStream).pipe(a.coalesceStream);a.h264Stream.pipe(a.captionStream).pipe(a.coalesceStream);a.elementaryStream.on("data",function(s){var o;if("metadata"===s.type){o=s.tracks.length;while(o--){if(!n&&"video"===s.tracks[o].type){n=s.tracks[o];n.timelineStartInfo.baseMediaDecodeTime=t.baseMediaDecodeTime}else if(!r&&"audio"===s.tracks[o].type){r=s.tracks[o];r.timelineStartInfo.baseMediaDecodeTime=t.baseMediaDecodeTime}}if(n&&!a.videoSegmentStream){a.coalesceStream.numberOfTracks++;a.videoSegmentStream=new st(n,e);a.videoSegmentStream.on("timelineStartInfo",function(e){if(r){r.timelineStartInfo=e;a.audioSegmentStream.setEarliestDts(e.dts)}});a.videoSegmentStream.on("processedGopsInfo",t.trigger.bind(t,"gopInfo"));a.videoSegmentStream.on("segmentTimingInfo",t.trigger.bind(t,"videoSegmentTimingInfo"));a.videoSegmentStream.on("baseMediaDecodeTime",function(e){if(r){a.audioSegmentStream.setVideoBaseMediaDecodeTime(e)}});a.videoSegmentStream.on("timingInfo",t.trigger.bind(t,"videoTimingInfo"));a.h264Stream.pipe(a.videoSegmentStream).pipe(a.coalesceStream)}if(r&&!a.audioSegmentStream){a.coalesceStream.numberOfTracks++;a.audioSegmentStream=new ot(r,e);a.audioSegmentStream.on("timingInfo",t.trigger.bind(t,"audioTimingInfo"));a.adtsStream.pipe(a.audioSegmentStream).pipe(a.coalesceStream)}t.trigger("trackinfo",{hasAudio:!!r,hasVideo:!!n})}});a.coalesceStream.on("data",this.trigger.bind(this,"data"));a.coalesceStream.on("id3Frame",function(e){e.dispatchType=a.metadataStream.dispatchType;t.trigger("id3Frame",e)});a.coalesceStream.on("caption",this.trigger.bind(this,"caption"));a.coalesceStream.on("done",this.trigger.bind(this,"done"))};this.setBaseMediaDecodeTime=function(t){var a=this.transmuxPipeline_;if(!e.keepOriginalTimestamps){this.baseMediaDecodeTime=t}if(r){r.timelineStartInfo.dts=void 0;r.timelineStartInfo.pts=void 0;oe.clearDtsInfo(r);if(!e.keepOriginalTimestamps){r.timelineStartInfo.baseMediaDecodeTime=t}if(a.audioTimestampRolloverStream){a.audioTimestampRolloverStream.discontinuity()}}if(n){if(a.videoSegmentStream){a.videoSegmentStream.gopCache_=[]}n.timelineStartInfo.dts=void 0;n.timelineStartInfo.pts=void 0;oe.clearDtsInfo(n);a.captionStream.reset();if(!e.keepOriginalTimestamps){n.timelineStartInfo.baseMediaDecodeTime=t}}if(a.timestampRolloverStream){a.timestampRolloverStream.discontinuity()}};this.setAudioAppendStart=function(e){if(r){this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(e)}};this.setRemux=function(t){var a=this.transmuxPipeline_;e.remux=t;if(a&&a.coalesceStream){a.coalesceStream.setRemux(t)}};this.alignGopsWith=function(e){if(n&&this.transmuxPipeline_.videoSegmentStream){this.transmuxPipeline_.videoSegmentStream.alignGopsWith(e)}};this.push=function(e){if(a){var t=at(e);if(t&&"aac"!==this.transmuxPipeline_.type){this.setupAacPipeline()}else if(!t&&"ts"!==this.transmuxPipeline_.type){this.setupTsPipeline()}a=!1}this.transmuxPipeline_.headOfPipeline.push(e)};this.flush=function(){a=!0;this.transmuxPipeline_.headOfPipeline.flush()};this.endTimeline=function(){this.transmuxPipeline_.headOfPipeline.endTimeline()};this.reset=function(){if(this.transmuxPipeline_.headOfPipeline){this.transmuxPipeline_.headOfPipeline.reset()}};this.resetCaptions=function(){if(this.transmuxPipeline_.captionStream){this.transmuxPipeline_.captionStream.reset()}}};lt.prototype=new a;var ct={Transmuxer:lt,VideoSegmentStream:st,AudioSegmentStream:ot,AUDIO_PROPERTIES:rt,VIDEO_PROPERTIES:it,generateVideoSegmentTimingInfo:ut},mt=function(e,t){if(!(e instanceof t)){throw new TypeError("Cannot call a class as a function")}},gt=function(){function e(e,t){for(var a=0,n;a<t.length;a++){n=t[a];n.enumerable=n.enumerable||!1;n.configurable=!0;if("value"in n)n.writable=!0;Object.defineProperty(e,n.key,n)}}return function(t,a,n){if(a)e(t.prototype,a);if(n)e(t,n);return t}}(),yt=function(e,t){t.on("data",function(t){var a=t.initSegment;t.initSegment={data:a.buffer,byteOffset:a.byteOffset,byteLength:a.byteLength};var n=t.data;t.data=n.buffer;e.postMessage({action:"data",segment:t,byteOffset:n.byteOffset,byteLength:n.byteLength},[t.data])});if(t.captionStream){t.captionStream.on("data",function(t){e.postMessage({action:"caption",data:t})})}t.on("done",function(){e.postMessage({action:"done"})});t.on("gopInfo",function(t){e.postMessage({action:"gopInfo",gopInfo:t})});t.on("videoSegmentTimingInfo",function(t){e.postMessage({action:"videoSegmentTimingInfo",videoSegmentTimingInfo:t})})},ht=function(){function e(t,a){mt(this,e);this.options=a||{};this.self=t;this.init()}gt(e,[{key:"init",value:function(){if(this.transmuxer){this.transmuxer.dispose()}this.transmuxer=new ct.Transmuxer(this.options);yt(this.self,this.transmuxer)}},{key:"push",value:function(e){var t=new Uint8Array(e.data,e.byteOffset,e.byteLength);this.transmuxer.push(t)}},{key:"reset",value:function(){this.init()}},{key:"setTimestampOffset",value:function(e){var t=e.timestampOffset||0;this.transmuxer.setBaseMediaDecodeTime(Math.round(9e4*t))}},{key:"setAudioAppendStart",value:function(e){this.transmuxer.setAudioAppendStart(Math.ceil(9e4*e.appendStart))}},{key:"flush",value:function(){this.transmuxer.flush()}},{key:"resetCaptions",value:function(){this.transmuxer.resetCaptions()}},{key:"alignGopsWith",value:function(e){this.transmuxer.alignGopsWith(e.gopsToAlignWith.slice())}}]);return e}(),_t=new function(e){e.onmessage=function(t){if("init"===t.data.action&&t.data.options){this.messageHandlers=new ht(e,t.data.options);return}if(!this.messageHandlers){this.messageHandlers=new ht(e)}if(t.data&&t.data.action&&"init"!==t.data.action){if(this.messageHandlers[t.data.action]){this.messageHandlers[t.data.action](t.data)}}}}(e);return _t}()}),bc={videoCodec:"avc1",videoObjectTypeIndicator:".4d400d",audioProfile:"2"},vc=function(e){return e.map(function(e){return e.replace(/avc1\.(\d+)\.(\d+)/i,function(e,t,a){var n=("00"+(+t).toString(16)).slice(-2),r=("00"+(+a).toString(16)).slice(-2);return"avc1."+n+"00"+r})})},Sc=function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"",t={codecCount:0},a=void 0;t.codecCount=e.split(",").length;t.codecCount=t.codecCount||2;a=/(^|\s|,)+(avc[13])([^ ,]*)/i.exec(e);if(a){t.videoCodec=a[2];t.videoObjectTypeIndicator=a[3]}t.audioProfile=/(^|\s|,)+mp4a.[0-9A-Fa-f]+\.([0-9A-Fa-f]+)/i.exec(e);t.audioProfile=t.audioProfile&&t.audioProfile[2];return t},kc=function(e){return e.replace(/avc1\.(\d+)\.(\d+)/i,function(e){return vc([e])[0]})},Cc=function(e,t,a){return e+"/"+t+"; codecs=\""+a.filter(function(e){return!!e}).join(", ")+"\""},Ec=function(e){if(e.segments&&e.segments.length&&e.segments[0].map){return"mp4"}return"mp2t"},Ic=function(e){var t=e.attributes||{};if(t.CODECS){return Sc(t.CODECS)}return bc},xc=function(e,t){if(!e.mediaGroups.AUDIO||!t){return null}var a=e.mediaGroups.AUDIO[t];if(!a){return null}for(var n in a){var r=a[n];if(r["default"]&&r.playlists){return Sc(r.playlists[0].attributes.CODECS).audioProfile}}return null},Lc=function(e,t){var a=Ec(t),n=Ic(t),r=t.attributes||{},i=!0,s=!1;if(!t){return[]}if(e.mediaGroups.AUDIO&&r.AUDIO){var o=e.mediaGroups.AUDIO[r.AUDIO];if(o){s=!0;i=!1;for(var l in o){if(!o[l].uri&&!o[l].playlists){i=!0;break}}}}if(s&&!n.audioProfile){if(!i){n.audioProfile=xc(e,r.AUDIO)}if(!n.audioProfile){Ze.log.warn("Multiple audio tracks present but no audio codec string is specified. Attempting to use the default audio codec (mp4a.40.2)");n.audioProfile=bc.audioProfile}}var d={};if(n.videoCodec){d.video=""+n.videoCodec+n.videoObjectTypeIndicator}if(n.audioProfile){d.audio="mp4a.40."+n.audioProfile}var p=Cc("audio",a,[d.audio]),u=Cc("video",a,[d.video]),c=Cc("video",a,[d.video,d.audio]);if(s){if(!i&&d.video){return[u,p]}if(!i&&!d.video){return[p,p]}return[c,p]}if(!d.video){return[p]}return[c]},Pc=function(e){var t={type:"",parameters:{}},a=e.trim().split(";");t.type=a.shift().trim();a.forEach(function(e){var a=e.trim().split("=");if(1<a.length){var n=a[0].replace(/"/g,"").trim(),r=a[1].replace(/"/g,"").trim();t.parameters[n]=r}});return t},Dc=function(e){return /mp4a\.\d+.\d+/i.test(e)},wc=function(e){return /avc1\.[\da-f]+/i.test(e)},Ac=function(e,t,a){if("undefined"==typeof t||null===t||!e.length){return[]}var n=Math.ceil(9e4*(t-a+3)),r=void 0;for(r=0;r<e.length;r++){if(e[r].pts>n){break}}return e.slice(r)},Oc=function(e,t,a){if(!t.length){return e}if(a){return t.slice()}var n=t[0].pts,r=0;for(r;r<e.length;r++){if(e[r].pts>=n){break}}return e.slice(0,r).concat(t)},Rc=function(e,t,a,n){var r=Math.ceil(9e4*(t-n)),s=Math.ceil(9e4*(a-n)),o=e.slice(),l=e.length;while(l--){if(e[l].pts<=s){break}}if(-1===l){return o}var d=l+1;while(d--){if(e[d].pts<=r){break}}d=Math.max(d,0);o.splice(d,l-d+1);return o},Nc=function(e,t,a){var n=null,r=null,i=0,s=[],o=[];if(!e&&!t){return Ze.createTimeRange()}if(!e){return t.buffered}if(!t){return e.buffered}if(a){return e.buffered}if(0===e.buffered.length&&0===t.buffered.length){return Ze.createTimeRange()}var l=e.buffered,d=t.buffered,p=l.length;while(p--){s.push({time:l.start(p),type:"start"});s.push({time:l.end(p),type:"end"})}p=d.length;while(p--){s.push({time:d.start(p),type:"start"});s.push({time:d.end(p),type:"end"})}s.sort(function(e,t){return e.time-t.time});for(p=0;p<s.length;p++){if("start"===s[p].type){i++;if(2===i){n=s[p].time}}else if("end"===s[p].type){i--;if(1===i){r=s[p].time}}if(null!==n&&null!==r){o.push([n,r]);n=null;r=null}}return Ze.createTimeRanges(o)},Uc=9e4,Mc=function(e,t){var a=e.addSourceBuffer(t),n=Object.create(null);n.updating=!1;n.realBuffer_=a;var r=function(e){if("function"==typeof a[e]){n[e]=function(){return a[e].apply(a,arguments)}}else if("undefined"==typeof n[e]){Object.defineProperty(n,e,{get:function(){return a[e]},set:function(t){return a[e]=t}})}};for(var i in a){r(i)}return n},Bc=function(e){Gp(t,e);function t(e,a){Vp(this,t);var n=Kp(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,Ze.EventTarget));n.timestampOffset_=0;n.pendingBuffers_=[];n.bufferUpdating_=!1;n.mediaSource_=e;n.codecs_=a;n.audioCodec_=null;n.videoCodec_=null;n.audioDisabled_=!1;n.appendAudioInitSegment_=!0;n.gopBuffer_=[];n.timeMapping_=0;n.safeAppend_=11<=Ze.browser.IE_VERSION;var r={remux:!1,alignGopsAtEnd:n.safeAppend_};n.codecs_.forEach(function(e){if(Dc(e)){n.audioCodec_=e}else if(wc(e)){n.videoCodec_=e}});n.transmuxer_=new Tc;n.transmuxer_.postMessage({action:"init",options:r});n.transmuxer_.onmessage=function(e){if("data"===e.data.action){return n.data_(e)}if("done"===e.data.action){return n.done_(e)}if("gopInfo"===e.data.action){return n.appendGopInfo_(e)}if("videoSegmentTimingInfo"===e.data.action){return n.videoSegmentTimingInfo_(e.data.videoSegmentTimingInfo)}};Object.defineProperty(n,"timestampOffset",{get:function(){return this.timestampOffset_},set:function(e){if("number"==typeof e&&0<=e){this.timestampOffset_=e;this.appendAudioInitSegment_=!0;this.gopBuffer_.length=0;this.timeMapping_=0;this.transmuxer_.postMessage({action:"setTimestampOffset",timestampOffset:e})}}});Object.defineProperty(n,"appendWindowStart",{get:function(){return(this.videoBuffer_||this.audioBuffer_).appendWindowStart},set:function(e){if(this.videoBuffer_){this.videoBuffer_.appendWindowStart=e}if(this.audioBuffer_){this.audioBuffer_.appendWindowStart=e}}});Object.defineProperty(n,"updating",{get:function(){return!!(this.bufferUpdating_||!this.audioDisabled_&&this.audioBuffer_&&this.audioBuffer_.updating||this.videoBuffer_&&this.videoBuffer_.updating)}});Object.defineProperty(n,"buffered",{get:function(){return Nc(this.videoBuffer_,this.audioBuffer_,this.audioDisabled_)}});return n}Wp(t,[{key:"data_",value:function(e){var t=e.data.segment;t.data=new Uint8Array(t.data,e.data.byteOffset,e.data.byteLength);t.initSegment=new Uint8Array(t.initSegment.data,t.initSegment.byteOffset,t.initSegment.byteLength);sc(this,this.mediaSource_,t);this.pendingBuffers_.push(t)}},{key:"done_",value:function(){if("closed"===this.mediaSource_.readyState){this.pendingBuffers_.length=0;return}this.processPendingSegments_()}},{key:"videoSegmentTimingInfo_",value:function(e){var t={start:{decode:e.start.dts/Uc,presentation:e.start.pts/Uc},end:{decode:e.end.dts/Uc,presentation:e.end.pts/Uc},baseMediaDecodeTime:e.baseMediaDecodeTime/Uc};if(e.prependedContentDuration){t.prependedContentDuration=e.prependedContentDuration/Uc}this.trigger({type:"videoSegmentTimingInfo",videoSegmentTimingInfo:t})}},{key:"createRealSourceBuffers_",value:function(){var e=this,t=["audio","video"];t.forEach(function(a){if(!e[a+"Codec_"]){return}if(e[a+"Buffer_"]){return}var n=null;if(e.mediaSource_[a+"Buffer_"]){n=e.mediaSource_[a+"Buffer_"];n.updating=!1}else{var r=a+"/mp4;codecs=\""+e[a+"Codec_"]+"\"";n=Mc(e.mediaSource_.nativeMediaSource_,r);e.mediaSource_[a+"Buffer_"]=n}e[a+"Buffer_"]=n;["update","updatestart","updateend"].forEach(function(r){n.addEventListener(r,function(){if("audio"===a&&e.audioDisabled_){return}if("updateend"===r){e[a+"Buffer_"].updating=!1}var n=t.every(function(n){if("audio"===n&&e.audioDisabled_){return!0}if(a!==n&&e[n+"Buffer_"]&&e[n+"Buffer_"].updating){return!1}return!0});if(n){return e.trigger(r)}})})})}},{key:"appendBuffer",value:function(e){this.bufferUpdating_=!0;if(this.audioBuffer_&&this.audioBuffer_.buffered.length){var t=this.audioBuffer_.buffered;this.transmuxer_.postMessage({action:"setAudioAppendStart",appendStart:t.end(t.length-1)})}if(this.videoBuffer_){this.transmuxer_.postMessage({action:"alignGopsWith",gopsToAlignWith:Ac(this.gopBuffer_,this.mediaSource_.player_?this.mediaSource_.player_.currentTime():null,this.timeMapping_)})}this.transmuxer_.postMessage({action:"push",data:e.buffer,byteOffset:e.byteOffset,byteLength:e.byteLength},[e.buffer]);this.transmuxer_.postMessage({action:"flush"})}},{key:"appendGopInfo_",value:function(e){this.gopBuffer_=Oc(this.gopBuffer_,e.data.gopInfo,this.safeAppend_)}},{key:"remove",value:function(e,t){if(this.videoBuffer_){this.videoBuffer_.updating=!0;this.videoBuffer_.remove(e,t);this.gopBuffer_=Rc(this.gopBuffer_,e,t,this.timeMapping_)}if(!this.audioDisabled_&&this.audioBuffer_){this.audioBuffer_.updating=!0;this.audioBuffer_.remove(e,t)}oc(e,t,this.metadataTrack_);if(this.inbandTextTracks_){for(var a in this.inbandTextTracks_){oc(e,t,this.inbandTextTracks_[a])}}}},{key:"processPendingSegments_",value:function(){var e={video:{segments:[],bytes:0},audio:{segments:[],bytes:0},captions:[],metadata:[]};if(!this.pendingBuffers_.length){this.trigger("updateend");this.bufferUpdating_=!1;return}e=this.pendingBuffers_.reduce(function(e,t){var a=t.type,n=t.data,r=t.initSegment;e[a].segments.push(n);e[a].bytes+=n.byteLength;e[a].initSegment=r;if(t.captions){e.captions=e.captions.concat(t.captions)}if(t.info){e[a].info=t.info}if(t.metadata){e.metadata=e.metadata.concat(t.metadata)}return e},e);if(!this.videoBuffer_&&!this.audioBuffer_){if(0===e.video.bytes){this.videoCodec_=null}if(0===e.audio.bytes){this.audioCodec_=null}this.createRealSourceBuffers_()}if(e.audio.info){this.mediaSource_.trigger({type:"audioinfo",info:e.audio.info})}if(e.video.info){this.mediaSource_.trigger({type:"videoinfo",info:e.video.info})}if(this.appendAudioInitSegment_){if(!this.audioDisabled_&&this.audioBuffer_){e.audio.segments.unshift(e.audio.initSegment);e.audio.bytes+=e.audio.initSegment.byteLength}this.appendAudioInitSegment_=!1}var t=!1;if(this.videoBuffer_&&e.video.bytes){e.video.segments.unshift(e.video.initSegment);e.video.bytes+=e.video.initSegment.byteLength;this.concatAndAppendSegments_(e.video,this.videoBuffer_)}else if(this.videoBuffer_&&(this.audioDisabled_||!this.audioBuffer_)){t=!0}pc(this,e.captions,e.metadata);if(!this.audioDisabled_&&this.audioBuffer_){this.concatAndAppendSegments_(e.audio,this.audioBuffer_)}this.pendingBuffers_.length=0;if(t){this.trigger("updateend")}this.bufferUpdating_=!1}},{key:"concatAndAppendSegments_",value:function(e,t){var a=0,n=void 0;if(e.bytes){n=new Uint8Array(e.bytes);e.segments.forEach(function(e){n.set(e,a);a+=e.byteLength});try{t.updating=!0;t.appendBuffer(n)}catch(e){if(this.mediaSource_.player_){this.mediaSource_.player_.error({code:-3,type:"APPEND_BUFFER_ERR",message:e.message,originalError:e})}}}}},{key:"abort",value:function(){if(this.videoBuffer_){this.videoBuffer_.abort()}if(!this.audioDisabled_&&this.audioBuffer_){this.audioBuffer_.abort()}if(this.transmuxer_){this.transmuxer_.postMessage({action:"reset"})}this.pendingBuffers_.length=0;this.bufferUpdating_=!1}},{key:"dispose",value:function(){this.trigger("dispose");this.off()}}]);return t}(Ze.EventTarget),jc=function(a){Gp(n,a);function n(){Vp(this,n);var a=Kp(this,(n.__proto__||Object.getPrototypeOf(n)).call(this)),r=void 0;a.nativeMediaSource_=new e.MediaSource;for(r in a.nativeMediaSource_){if(!(r in n.prototype)&&"function"==typeof a.nativeMediaSource_[r]){a[r]=a.nativeMediaSource_[r].bind(a.nativeMediaSource_)}}a.duration_=NaN;Object.defineProperty(a,"duration",{get:function(){if(this.duration_===1/0){return this.duration_}return this.nativeMediaSource_.duration},set:function(e){this.duration_=e;if(e!==1/0){this.nativeMediaSource_.duration=e}}});Object.defineProperty(a,"seekable",{get:function(){if(this.duration_===1/0){return Ze.createTimeRanges([[0,this.nativeMediaSource_.duration]])}return this.nativeMediaSource_.seekable}});Object.defineProperty(a,"readyState",{get:function(){return this.nativeMediaSource_.readyState}});Object.defineProperty(a,"activeSourceBuffers",{get:function(){return this.activeSourceBuffers_}});a.sourceBuffers=[];a.activeSourceBuffers_=[];a.updateActiveSourceBuffers_=function(){a.activeSourceBuffers_.length=0;if(1===a.sourceBuffers.length){var e=a.sourceBuffers[0];e.appendAudioInitSegment_=!0;e.audioDisabled_=!e.audioCodec_;a.activeSourceBuffers_.push(e);return}for(var t=!1,n=!0,r=0,s;r<a.player_.audioTracks().length;r++){s=a.player_.audioTracks()[r];if(s.enabled&&"main"!==s.kind){t=!0;n=!1;break}}a.sourceBuffers.forEach(function(e,r){e.appendAudioInitSegment_=!0;if(e.videoCodec_&&e.audioCodec_){e.audioDisabled_=t}else if(e.videoCodec_&&!e.audioCodec_){e.audioDisabled_=!0;n=!1}else if(!e.videoCodec_&&e.audioCodec_){e.audioDisabled_=r?n:!n;if(e.audioDisabled_){return}}a.activeSourceBuffers_.push(e)})};a.onPlayerMediachange_=function(){a.sourceBuffers.forEach(function(e){e.appendAudioInitSegment_=!0})};a.onHlsReset_=function(){a.sourceBuffers.forEach(function(e){if(e.transmuxer_){e.transmuxer_.postMessage({action:"resetCaptions"})}})};a.onHlsSegmentTimeMapping_=function(e){a.sourceBuffers.forEach(function(t){return t.timeMapping_=e.mapping})};["sourceopen","sourceclose","sourceended"].forEach(function(e){this.nativeMediaSource_.addEventListener(e,this.trigger.bind(this))},a);a.on("sourceopen",function(){var e=t.querySelector("[src=\""+a.url_+"\"]");if(!e){return}a.player_=Ze(e.parentNode);if(!a.player_){return}a.player_.tech_.on("hls-reset",a.onHlsReset_);a.player_.tech_.on("hls-segment-time-mapping",a.onHlsSegmentTimeMapping_);if(a.player_.audioTracks&&a.player_.audioTracks()){a.player_.audioTracks().on("change",a.updateActiveSourceBuffers_);a.player_.audioTracks().on("addtrack",a.updateActiveSourceBuffers_);a.player_.audioTracks().on("removetrack",a.updateActiveSourceBuffers_)}a.player_.on("mediachange",a.onPlayerMediachange_)});a.on("sourceended",function(){for(var e=dc(a.duration),t=0;t<a.sourceBuffers.length;t++){var n=a.sourceBuffers[t],r=n.metadataTrack_&&n.metadataTrack_.cues;if(r&&r.length){r[r.length-1].endTime=e}}});a.on("sourceclose",function(){this.sourceBuffers.forEach(function(e){if(e.transmuxer_){e.transmuxer_.terminate()}});this.sourceBuffers.length=0;if(!this.player_){return}if(this.player_.audioTracks&&this.player_.audioTracks()){this.player_.audioTracks().off("change",this.updateActiveSourceBuffers_);this.player_.audioTracks().off("addtrack",this.updateActiveSourceBuffers_);this.player_.audioTracks().off("removetrack",this.updateActiveSourceBuffers_)}if(this.player_.el_){this.player_.off("mediachange",this.onPlayerMediachange_)}if(this.player_.tech_&&this.player_.tech_.el_){this.player_.tech_.off("hls-reset",this.onHlsReset_);this.player_.tech_.off("hls-segment-time-mapping",this.onHlsSegmentTimeMapping_)}});return a}Wp(n,[{key:"addSeekableRange_",value:function(e,t){var a;if(this.duration!==1/0){a=new Error("MediaSource.addSeekableRange() can only be invoked when the duration is Infinity");a.name="InvalidStateError";a.code=11;throw a}if(t>this.nativeMediaSource_.duration||isNaN(this.nativeMediaSource_.duration)){this.nativeMediaSource_.duration=t}}},{key:"addSourceBuffer",value:function(e){var t=void 0,a=Pc(e);if(/^(video|audio)\/mp2t$/i.test(a.type)){var n=[];if(a.parameters&&a.parameters.codecs){n=a.parameters.codecs.split(",");n=vc(n);n=n.filter(function(e){return Dc(e)||wc(e)})}if(0===n.length){n=["avc1.4d400d","mp4a.40.2"]}t=new Bc(this,n);if(0!==this.sourceBuffers.length){this.sourceBuffers[0].createRealSourceBuffers_();t.createRealSourceBuffers_();this.sourceBuffers[0].audioDisabled_=!0}}else{t=this.nativeMediaSource_.addSourceBuffer(e)}this.sourceBuffers.push(t);return t}},{key:"dispose",value:function(){this.trigger("dispose");this.off();this.sourceBuffers.forEach(function(e){if(e.dispose){e.dispose()}});this.sourceBuffers.length=0}}]);return n}(Ze.EventTarget),Fc=0;Ze.mediaSources={};var Hc=function(e,t){var a=Ze.mediaSources[e];if(a){a.trigger({type:"sourceopen",swfId:t})}else{throw new Error("Media Source not found (Video.js)")}},qc=function(){return!!e.MediaSource&&!!e.MediaSource.isTypeSupported&&e.MediaSource.isTypeSupported("video/mp4;codecs=\"avc1.4d400d,mp4a.40.2\"")},Vc=function(){this.MediaSource={open:Hc,supportsNativeMediaSources:qc};if(qc()){return new jc}throw new Error("Cannot use create a virtual MediaSource for this video")};Vc.open=Hc;Vc.supportsNativeMediaSources=qc;var Wc={createObjectURL:function(t){var a=void 0;if(t instanceof jc){a=e.URL.createObjectURL(t.nativeMediaSource_);t.url_=a;return a}if(!(t instanceof jc)){a=e.URL.createObjectURL(t);t.url_=a;return a}a="blob:vjs-media-source/"+Fc;Fc++;Ze.mediaSources[a]=t;return a}};Ze.MediaSource=Vc;Ze.URL=Wc;var zc=Ze.EventTarget,Gc=Ze.mergeOptions,Kc=function(e,t){for(var a=void 0,n=Gc(e,{duration:t.duration,minimumUpdatePeriod:t.minimumUpdatePeriod}),r=0,s;r<t.playlists.length;r++){s=tu(n,t.playlists[r]);if(s){n=s}else{a=!0}}Jp(t,function(e,t,r,i){if(e.playlists&&e.playlists.length){var s=e.playlists[0].id,o=tu(n,e.playlists[0]);if(o){n=o;n.mediaGroups[t][r][i].playlists[0]=n.playlists[s];a=!1}}});if(a){return null}return n},Yc=function(e){var t=e.byterange.offset+e.byterange.length-1;return e.uri+"-"+e.byterange.offset+"-"+t},Xc=function(e,t){var a=!!(!e.map&&!t.map),n=a||!!(e.map&&t.map&&e.map.byterange.offset===t.map.byterange.offset&&e.map.byterange.length===t.map.byterange.length);return n&&e.uri===t.uri&&e.byterange.offset===t.byterange.offset&&e.byterange.length===t.byterange.length},$c=function(e,t){var a={};for(var n in e){var r=e[n],i=r.sidx;if(i){var s=Yc(i);if(!t[s]){break}var o=t[s].sidxInfo;if(Xc(o,i)){a[s]=t[s]}}}return a},Qc=function(e,t,a,n){var r=id(e,{manifestUri:t,clientOffset:a}),i=$c(r.playlists,n),s=i;Jp(r,function(e){if(e.playlists&&e.playlists.length){var t=e.playlists;s=Gc(s,$c(t,n))}});return s},Jc=function(e,t,a,n,r){var i={uri:qp(n.handleManifestRedirects,e.resolvedUri),byterange:e.byterange,playlist:t},s=Ze.mergeOptions(i,{responseType:"arraybuffer",headers:Au(i)});return a(s,r)},Zc=function(t){Gp(a,t);function a(e,t){var n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:{},r=arguments[3];Vp(this,a);var i=Kp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this)),s=n.withCredentials,o=s===void 0?!1:s,l=n.handleManifestRedirects,d=l===void 0?!1:l;i.hls_=t;i.withCredentials=o;i.handleManifestRedirects=d;if(!e){throw new Error("A non-empty playlist URL or playlist is required")}i.on("minimumUpdatePeriod",function(){i.refreshXml_()});i.on("mediaupdatetimeout",function(){i.refreshMedia_(i.media().id)});i.state="HAVE_NOTHING";i.loadedPlaylists_={};if("string"==typeof e){i.srcUrl=e;i.sidxMapping_={};return Kp(i)}i.setupChildLoader(r,e);return i}Wp(a,[{key:"setupChildLoader",value:function(e,t){this.masterPlaylistLoader_=e;this.childPlaylist_=t}},{key:"dispose",value:function(){this.trigger("dispose");this.stopRequest();this.loadedPlaylists_={};e.clearTimeout(this.minimumUpdatePeriodTimeout_);e.clearTimeout(this.mediaRequest_);e.clearTimeout(this.mediaUpdateTimeout);this.off()}},{key:"hasPendingRequest",value:function(){return this.request||this.mediaRequest_}},{key:"stopRequest",value:function(){if(this.request){var e=this.request;this.request=null;e.onreadystatechange=null;e.abort()}}},{key:"sidxRequestFinished_",value:function(e,t,a,n){var r=this;return function(i,s){if(!r.request){return}r.request=null;if(i){r.error={status:s.status,message:"DASH playlist request error at URL: "+e.uri,response:s.response,code:2};if(a){r.state=a}r.trigger("error");return n(t,null)}var o=new Uint8Array(s.response),l=_d.parseSidx(o.subarray(8));return n(t,l)}}},{key:"media",value:function(t){var a=this;if(!t){return this.media_}if("HAVE_NOTHING"===this.state){throw new Error("Cannot switch media playlist from "+this.state)}var n=this.state;if("string"==typeof t){if(!this.master.playlists[t]){throw new Error("Unknown playlist URI: "+t)}t=this.master.playlists[t]}var r=!this.media_||t.id!==this.media_.id;if(r&&this.loadedPlaylists_[t.id]&&this.loadedPlaylists_[t.id].endList){this.state="HAVE_METADATA";this.media_=t;if(r){this.trigger("mediachanging");this.trigger("mediachange")}return}if(!r){return}if(this.media_){this.trigger("mediachanging")}if(!t.sidx){this.mediaRequest_=e.setTimeout(this.haveMetadata.bind(this,{startingState:n,playlist:t}),0);return}var i=void 0,s=void 0;if(this.masterPlaylistLoader_){i=this.masterPlaylistLoader_.master;s=this.masterPlaylistLoader_.sidxMapping_}else{i=this.master;s=this.sidxMapping_}var o=Yc(t.sidx);s[o]={sidxInfo:t.sidx};this.request=Jc(t.sidx,t,this.hls_.xhr,{handleManifestRedirects:this.handleManifestRedirects},this.sidxRequestFinished_(t,i,n,function(e,r){if(!e||!r){throw new Error("failed to request sidx")}s[o].sidx=r;a.haveMetadata({startingState:n,playlist:e.playlists[t.id]})}))}},{key:"haveMetadata",value:function(e){var t=e.startingState,a=e.playlist;this.state="HAVE_METADATA";this.loadedPlaylists_[a.id]=a;this.mediaRequest_=null;this.refreshMedia_(a.id);if("HAVE_MASTER"===t){this.trigger("loadedmetadata")}else{this.trigger("mediachange")}}},{key:"pause",value:function(){this.stopRequest();e.clearTimeout(this.mediaUpdateTimeout);e.clearTimeout(this.minimumUpdatePeriodTimeout_);if("HAVE_NOTHING"===this.state){this.started=!1}}},{key:"load",value:function(t){var a=this;e.clearTimeout(this.mediaUpdateTimeout);e.clearTimeout(this.minimumUpdatePeriodTimeout_);var n=this.media();if(t){var r=n?1e3*(n.targetDuration/2):5000;this.mediaUpdateTimeout=e.setTimeout(function(){return a.load()},r);return}if(!this.started){this.start();return}if(n&&!n.endList){this.trigger("mediaupdatetimeout")}else{this.trigger("loadedplaylist")}}},{key:"parseMasterXml",value:function(){var e=id(this.masterXml_,{manifestUri:this.srcUrl,clientOffset:this.clientOffset_,sidxMapping:this.sidxMapping_});e.uri=this.srcUrl;for(var t=0,a;t<e.playlists.length;t++){a="placeholder-uri-"+t;e.playlists[t].uri=a}Jp(e,function(t,a,n,r){if(t.playlists&&t.playlists.length){var i="placeholder-uri-"+a+"-"+n+"-"+r,s=au(0,i);t.playlists[0].uri=i;t.playlists[0].id=s;e.playlists[s]=t.playlists[0];e.playlists[i]=t.playlists[0]}});nu(e);ru(e);return e}},{key:"start",value:function(){var t=this;this.started=!0;if(this.masterPlaylistLoader_){this.mediaRequest_=e.setTimeout(this.haveMaster_.bind(this),0);return}this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},function(e,a){if(!t.request){return}t.request=null;if(e){t.error={status:a.status,message:"DASH playlist request error at URL: "+t.srcUrl,responseText:a.responseText,code:2};if("HAVE_NOTHING"===t.state){t.started=!1}return t.trigger("error")}t.masterXml_=a.responseText;if(a.responseHeaders&&a.responseHeaders.date){t.masterLoaded_=Date.parse(a.responseHeaders.date)}else{t.masterLoaded_=Date.now()}t.srcUrl=qp(t.handleManifestRedirects,t.srcUrl,a);t.syncClientServerClock_(t.onClientServerClockSync_.bind(t))})}},{key:"syncClientServerClock_",value:function(e){var t=this,a=sd(this.masterXml_);if(null===a){this.clientOffset_=this.masterLoaded_-Date.now();return e()}if("DIRECT"===a.method){this.clientOffset_=a.value-Date.now();return e()}this.request=this.hls_.xhr({uri:Hp(this.srcUrl,a.value),method:a.method,withCredentials:this.withCredentials},function(n,r){if(!t.request){return}if(n){t.clientOffset_=t.masterLoaded_-Date.now();return e()}var i;if("HEAD"===a.method){if(!r.responseHeaders||!r.responseHeaders.date){i=t.masterLoaded_}else{i=Date.parse(r.responseHeaders.date)}}else{i=Date.parse(r.responseText)}t.clientOffset_=i-Date.now();e()})}},{key:"haveMaster_",value:function(){this.state="HAVE_MASTER";this.mediaRequest_=null;if(!this.masterPlaylistLoader_){this.master=this.parseMasterXml();this.trigger("loadedplaylist")}else if(!this.media_){this.media(this.childPlaylist_)}}},{key:"onClientServerClockSync_",value:function(){var t=this;this.haveMaster_();if(!this.hasPendingRequest()&&!this.media_){this.media(this.master.playlists[0])}if(this.master&&this.master.minimumUpdatePeriod){this.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},this.master.minimumUpdatePeriod)}}},{key:"refreshXml_",value:function(){var t=this;this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},function(a,n){if(!t.request){return}t.request=null;if(a){t.error={status:n.status,message:"DASH playlist request error at URL: "+t.srcUrl,responseText:n.responseText,code:2};if("HAVE_NOTHING"===t.state){t.started=!1}return t.trigger("error")}t.masterXml_=n.responseText;t.sidxMapping_=Qc(t.masterXml_,t.srcUrl,t.clientOffset_,t.sidxMapping_);var r=t.parseMasterXml(),i=Kc(t.master,r),s=t.media().sidx;if(i){if(s){var o=Yc(s);if(!t.sidxMapping_[o]){var l=t.media();t.request=Jc(l.sidx,l,t.hls_.xhr,{handleManifestRedirects:t.handleManifestRedirects},t.sidxRequestFinished_(l,r,t.state,function(a,n){if(!a||!n){throw new Error("failed to request sidx on minimumUpdatePeriod")}t.sidxMapping_[o].sidx=n;t.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},t.master.minimumUpdatePeriod);t.refreshMedia_(t.media().id)}))}}else{t.master=i}}t.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},t.master.minimumUpdatePeriod)})}},{key:"refreshMedia_",value:function(t){var a=this;if(!t){throw new Error("refreshMedia_ must take a media id")}var n=void 0,r=void 0;if(this.masterPlaylistLoader_){n=this.masterPlaylistLoader_.master;r=this.masterPlaylistLoader_.parseMasterXml()}else{n=this.master;r=this.parseMasterXml()}var i=Kc(n,r);if(i){if(this.masterPlaylistLoader_){this.masterPlaylistLoader_.master=i}else{this.master=i}this.media_=i.playlists[t]}else{this.media_=r.playlists[t];this.trigger("playlistunchanged")}if(!this.media().endList){this.mediaUpdateTimeout=e.setTimeout(function(){a.trigger("mediaupdatetimeout")},iu(this.media(),!!i))}this.trigger("loadedplaylist")}}]);return a}(zc),em=function(e){if(Ze.log.debug){return Ze.log.debug.bind(Ze,"VHS:",e+" >")}return function(){}};function pa(){}var tm=function(){function e(t,a,n,r){Vp(this,e);this.callbacks_=[];this.pendingCallback_=null;this.timestampOffset_=0;this.mediaSource=t;this.processedAppend_=!1;this.type_=n;this.mimeType_=a;this.logger_=em("SourceUpdater["+n+"]["+a+"]");if("closed"===t.readyState){t.addEventListener("sourceopen",this.createSourceBuffer_.bind(this,a,r))}else{this.createSourceBuffer_(a,r)}}Wp(e,[{key:"createSourceBuffer_",value:function(e,t){var a=this;this.sourceBuffer_=this.mediaSource.addSourceBuffer(e);this.logger_("created SourceBuffer");if(t){t.trigger("sourcebufferadded");if(2>this.mediaSource.sourceBuffers.length){t.on("sourcebufferadded",function(){a.start_()});return}}this.start_()}},{key:"start_",value:function(){var e=this;this.started_=!0;this.onUpdateendCallback_=function(){var t=e.pendingCallback_;e.pendingCallback_=null;e.sourceBuffer_.removing=!1;e.logger_("buffered ["+nc(e.buffered())+"]");if(t){t()}e.runCallback_()};this.sourceBuffer_.addEventListener("updateend",this.onUpdateendCallback_);this.runCallback_()}},{key:"abort",value:function(e){var t=this;if(this.processedAppend_){this.queueCallback_(function(){t.sourceBuffer_.abort()},e)}}},{key:"appendBuffer",value:function(e,t){var a=this;this.processedAppend_=!0;this.queueCallback_(function(){if(e.videoSegmentTimingInfoCallback){a.sourceBuffer_.addEventListener("videoSegmentTimingInfo",e.videoSegmentTimingInfoCallback)}a.sourceBuffer_.appendBuffer(e.bytes)},function(){if(e.videoSegmentTimingInfoCallback){a.sourceBuffer_.removeEventListener("videoSegmentTimingInfo",e.videoSegmentTimingInfoCallback)}t()})}},{key:"buffered",value:function(){if(!this.sourceBuffer_){return Ze.createTimeRanges()}return this.sourceBuffer_.buffered}},{key:"remove",value:function(e,t){var a=this,n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:pa;if(this.processedAppend_){this.queueCallback_(function(){a.logger_("remove ["+e+" => "+t+"]");a.sourceBuffer_.removing=!0;a.sourceBuffer_.remove(e,t)},n)}}},{key:"updating",value:function(){return!this.sourceBuffer_||this.sourceBuffer_.updating||!!this.pendingCallback_&&this.pendingCallback_!==pa}},{key:"timestampOffset",value:function(e){var t=this;if("undefined"!=typeof e){this.queueCallback_(function(){t.sourceBuffer_.timestampOffset=e;t.runCallback_()});this.timestampOffset_=e}return this.timestampOffset_}},{key:"queueCallback_",value:function(e,t){this.callbacks_.push([e.bind(this),t]);this.runCallback_()}},{key:"runCallback_",value:function(){var e;if(!this.updating()&&this.callbacks_.length&&this.started_){e=this.callbacks_.shift();this.pendingCallback_=e[1];e[0]()}}},{key:"dispose",value:function(){var e=this,t=function t(){if(e.sourceBuffer_&&"open"===e.mediaSource.readyState){e.sourceBuffer_.abort()}e.sourceBuffer_.removeEventListener("updateend",t)};this.sourceBuffer_.removeEventListener("updateend",this.onUpdateendCallback_);if(this.sourceBuffer_.removing){this.sourceBuffer_.addEventListener("updateend",t)}else{t()}}}]);return e}(),am={GOAL_BUFFER_LENGTH:30,MAX_GOAL_BUFFER_LENGTH:60,GOAL_BUFFER_LENGTH_RATE:1,INITIAL_BANDWIDTH:4194304,BANDWIDTH_VARIANCE:1.2,BUFFER_LOW_WATER_LINE:0,MAX_BUFFER_LOW_WATER_LINE:30,BUFFER_LOW_WATER_LINE_RATE:1},nm={FAILURE:2,TIMEOUT:-101,ABORTED:-102},rm=function(e){e.forEach(function(e){e.abort()})},im=function(e){return{bandwidth:e.bandwidth,bytesReceived:e.bytesReceived||0,roundTripTime:e.roundTripTime||0}},sm=function(e){var t=e.target,a=Date.now()-t.requestTime,n={bandwidth:1/0,bytesReceived:0,roundTripTime:a||0};n.bytesReceived=e.loaded;n.bandwidth=Math.floor(1e3*(8*(n.bytesReceived/n.roundTripTime)));return n},om=function(e,t){if(t.timedout){return{status:t.status,message:"HLS request timed-out at URL: "+t.uri,code:nm.TIMEOUT,xhr:t}}if(t.aborted){return{status:t.status,message:"HLS request aborted at URL: "+t.uri,code:nm.ABORTED,xhr:t}}if(e){return{status:t.status,message:"HLS request errored at URL: "+t.uri,code:nm.FAILURE,xhr:t}}return null},lm=function(e,t){return function(a,n){var r=n.response,i=om(a,n);if(i){return t(i,e)}if(16!==r.byteLength){return t({status:n.status,message:"Invalid HLS key at URL: "+n.uri,code:nm.FAILURE,xhr:n},e)}var s=new DataView(r);e.key.bytes=new Uint32Array([s.getUint32(0),s.getUint32(4),s.getUint32(8),s.getUint32(12)]);return t(null,e)}},dm=function(e,t,a){return function(n,r){var i=r.response,s=om(n,r);if(s){return a(s,e)}if(0===i.byteLength){return a({status:r.status,message:"Empty HLS segment content at URL: "+r.uri,code:nm.FAILURE,xhr:r},e)}e.map.bytes=new Uint8Array(r.response);if(t&&!t.isInitialized()){t.init()}e.map.timescales=Ed.timescale(e.map.bytes);e.map.videoTrackIds=Ed.videoTrackIds(e.map.bytes);return a(null,e)}},pm=function(e,t,a){return function(n,r){var i=r.response,s=om(n,r),o=void 0;if(s){return a(s,e)}if(0===i.byteLength){return a({status:r.status,message:"Empty HLS segment content at URL: "+r.uri,code:nm.FAILURE,xhr:r},e)}e.stats=im(r);if(e.key){e.encryptedBytes=new Uint8Array(r.response)}else{e.bytes=new Uint8Array(r.response)}if(t&&e.map&&e.map.bytes){if(!t.isInitialized()){t.init()}o=t.parse(e.bytes,e.map.videoTrackIds,e.map.timescales);if(o&&o.captions){e.captionStreams=o.captionStreams;e.fmp4Captions=o.captions}}return a(null,e)}},um=function(e,t,a){e.addEventListener("message",function n(r){if(r.data.source===t.requestId){e.removeEventListener("message",n);var i=r.data.decrypted;t.bytes=new Uint8Array(i.bytes,i.byteOffset,i.byteLength);return a(null,t)}});var n;if(t.key.bytes.slice){n=t.key.bytes.slice()}else{n=new Uint32Array(Array.prototype.slice.call(t.key.bytes))}e.postMessage(Uu({source:t.requestId,encrypted:t.encryptedBytes,key:n,iv:t.key.iv}),[t.encryptedBytes.buffer,n.buffer])},cm=function(e,t,a){var n=0,r=!1;return function(i,s){if(r){return}if(i){r=!0;rm(e);return a(i,s)}n+=1;if(n===e.length){s.endOfAllRequests=Date.now();if(s.encryptedBytes){return um(t,s,a)}return a(null,s)}}},mm=function(e,t){return function(a){e.stats=Ze.mergeOptions(e.stats,sm(a));if(!e.stats.firstBytesReceivedAt&&e.stats.bytesReceived){e.stats.firstBytesReceivedAt=Date.now()}return t(a,e)}},gm=function(e,t,a,n,r,i,s){var o=[],l=cm(o,a,s);if(r.key&&!r.key.bytes){var d=Ze.mergeOptions(t,{uri:r.key.resolvedUri,responseType:"arraybuffer"}),p=lm(r,l),u=e(d,p);o.push(u)}if(r.map&&!r.map.bytes){var c=Ze.mergeOptions(t,{uri:r.map.resolvedUri,responseType:"arraybuffer",headers:Au(r.map)}),m=dm(r,n,l),g=e(c,m);o.push(g)}var y=Ze.mergeOptions(t,{uri:r.resolvedUri,responseType:"arraybuffer",headers:Au(r)}),h=pm(r,n,l),_=e(y,h);_.addEventListener("progress",mm(r,i));o.push(_);return function(){return rm(o)}},ym=function(t,a){var n;if(!t){return""}n=e.getComputedStyle(t);if(!n){return""}return n[a]},hm=function(e,t){var a=e.slice();e.sort(function(e,n){var r=t(e,n);if(0===r){return a.indexOf(e)-a.indexOf(n)}return r})},_m=function(t,a){var n=void 0,r=void 0;if(t.attributes.BANDWIDTH){n=t.attributes.BANDWIDTH}n=n||e.Number.MAX_VALUE;if(a.attributes.BANDWIDTH){r=a.attributes.BANDWIDTH}r=r||e.Number.MAX_VALUE;return n-r},fm=function(t,a){var n=void 0,r=void 0;if(t.attributes.RESOLUTION&&t.attributes.RESOLUTION.width){n=t.attributes.RESOLUTION.width}n=n||e.Number.MAX_VALUE;if(a.attributes.RESOLUTION&&a.attributes.RESOLUTION.width){r=a.attributes.RESOLUTION.width}r=r||e.Number.MAX_VALUE;if(n===r&&t.attributes.BANDWIDTH&&a.attributes.BANDWIDTH){return t.attributes.BANDWIDTH-a.attributes.BANDWIDTH}return n-r},Tm=function(t,a,n,r,i){var s=t.playlists.map(function(t){var a=void 0,n=void 0,r=void 0;a=t.attributes.RESOLUTION&&t.attributes.RESOLUTION.width;n=t.attributes.RESOLUTION&&t.attributes.RESOLUTION.height;r=t.attributes.BANDWIDTH;r=r||e.Number.MAX_VALUE;return{bandwidth:r,width:a,height:n,playlist:t}});hm(s,function(e,t){return e.bandwidth-t.bandwidth});s=s.filter(function(e){return!xu.isIncompatible(e.playlist)});var o=s.filter(function(e){return xu.isEnabled(e.playlist)});if(!o.length){o=s.filter(function(e){return!xu.isDisabled(e.playlist)})}var l=o.filter(function(e){return e.bandwidth*am.BANDWIDTH_VARIANCE<a}),d=l[l.length-1],p=l.filter(function(e){return e.bandwidth===d.bandwidth})[0];if(!1===i){var u=p||o[0]||s[0];return u?u.playlist:null}var c=l.filter(function(e){return e.width&&e.height});hm(c,function(e,t){return e.width-t.width});var m=c.filter(function(e){return e.width===n&&e.height===r});d=m[m.length-1];var g=m.filter(function(e){return e.bandwidth===d.bandwidth})[0],y=void 0,h=void 0,_=void 0;if(!g){y=c.filter(function(e){return e.width>n||e.height>r});h=y.filter(function(e){return e.width===y[0].width&&e.height===y[0].height});d=h[h.length-1];_=h.filter(function(e){return e.bandwidth===d.bandwidth})[0]}var f=_||g||p||o[0]||s[0];return f?f.playlist:null},bm=function(e){var t=e.master,a=e.currentTime,n=e.bandwidth,r=e.duration,i=e.segmentDuration,s=e.timeUntilRebuffer,o=e.currentTimeline,l=e.syncController,d=t.playlists.filter(function(e){return!xu.isIncompatible(e)}),p=d.filter(xu.isEnabled);if(!p.length){p=d.filter(function(e){return!xu.isDisabled(e)})}var u=p.filter(xu.hasAttribute.bind(null,"BANDWIDTH")),c=u.map(function(e){var t=l.getSyncPoint(e,r,o,a),d=t?1:2,p=xu.estimateSegmentRequestTime(i,n,e);return{playlist:e,rebufferingImpact:p*d-s}}),m=c.filter(function(e){return 0>=e.rebufferingImpact});hm(m,function(e,t){return _m(t.playlist,e.playlist)});if(m.length){return m[0]}hm(c,function(e,t){return e.rebufferingImpact-t.rebufferingImpact});return c[0]||null},vm=function(e,t,a){for(var n in a){if(!e[n]){t.trigger({type:"usage",name:"hls-608"});var r=t.textTracks().getTrackById(n);if(r){e[n]=r}else{e[n]=t.addRemoteTextTrack({kind:"captions",id:n,label:n},!1).track}}}},Sm=function(e){var t=e.inbandTextTracks,a=e.captionArray,n=e.timestampOffset;if(!a){return}var r=window.WebKitDataCue||window.VTTCue;a.forEach(function(e){var a=e.stream,i=e.startTime,s=e.endTime;if(!t[a]){return}i+=n;s+=n;t[a].addCue(new r(i,s,e.text))})},km=function(e,t,a){if(!e||!t){return!1}var n=e.segments,r=a===n.length;return e.endList&&"open"===t.readyState&&r},Cm=function(e){return"number"==typeof e&&isFinite(e)},Em=function(e,t,a){if("main"!==e||!t||!a){return null}if(!a.containsAudio&&!a.containsVideo){return"Neither audio nor video found in segment."}if(t.containsVideo&&!a.containsVideo){return"Only audio found in segment when we expected video. We can't switch to audio only from a stream that had video. To get rid of this message, please add codec information to the manifest."}if(!t.containsVideo&&a.containsVideo){return"Video found in segment when we expected only audio. We can't switch to a stream with video from an audio only stream. To get rid of this message, please add codec information to the manifest."}return null},Im=function(e,t,a){var n=t-30;if(e.length){n=Math.max(n,e.start(0))}return Math.min(t-a,n)},xm=function(e){var t=e.segment,a=t.start,n=t.end,r=e.playlist,i=r.mediaSequence,s=r.id,o=r.segments,l=o===void 0?[]:o,d=e.mediaIndex,p=e.timeline;return["appending ["+d+"] of ["+i+", "+(i+l.length)+"] from playlist ["+s+"]","["+a+" => "+n+"] in timeline ["+p+"]"].join(" ")},Lm=function(t){Gp(a,t);function a(e){Vp(this,a);var t=Kp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this));if(!e){throw new TypeError("Initialization settings are required")}if("function"!=typeof e.currentTime){throw new TypeError("No currentTime getter specified")}if(!e.mediaSource){throw new TypeError("No MediaSource specified")}t.bandwidth=e.bandwidth;t.throughput={rate:0,count:0};t.roundTrip=NaN;t.resetStats_();t.mediaIndex=null;t.hasPlayed_=e.hasPlayed;t.currentTime_=e.currentTime;t.seekable_=e.seekable;t.seeking_=e.seeking;t.duration_=e.duration;t.mediaSource_=e.mediaSource;t.hls_=e.hls;t.loaderType_=e.loaderType;t.startingMedia_=void 0;t.segmentMetadataTrack_=e.segmentMetadataTrack;t.goalBufferLength_=e.goalBufferLength;t.sourceType_=e.sourceType;t.inbandTextTracks_=e.inbandTextTracks;t.state_="INIT";t.checkBufferTimeout_=null;t.error_=void 0;t.currentTimeline_=-1;t.pendingSegment_=null;t.mimeType_=null;t.sourceUpdater_=null;t.xhrOptions_=null;t.activeInitSegmentId_=null;t.initSegments_={};t.cacheEncryptionKeys_=e.cacheEncryptionKeys;t.keyCache_={};if("main"===t.loaderType_){t.captionParser_=new Kd}else{t.captionParser_=null}t.decrypter_=e.decrypter;t.syncController_=e.syncController;t.syncPoint_={segmentIndex:0,time:0};t.triggerSyncInfoUpdate_=function(){return t.trigger("syncinfoupdate")};t.syncController_.on("syncinfoupdate",t.triggerSyncInfoUpdate_);t.mediaSource_.addEventListener("sourceopen",function(){return t.ended_=!1});t.fetchAtBuffer_=!1;t.logger_=em("SegmentLoader["+t.loaderType_+"]");Object.defineProperty(t,"state",{get:function(){return this.state_},set:function(e){if(e!==this.state_){this.logger_(this.state_+" -> "+e);this.state_=e}}});return t}Wp(a,[{key:"resetStats_",value:function(){this.mediaBytesTransferred=0;this.mediaRequests=0;this.mediaRequestsAborted=0;this.mediaRequestsTimedout=0;this.mediaRequestsErrored=0;this.mediaTransferDuration=0;this.mediaSecondsLoaded=0}},{key:"dispose",value:function(){this.trigger("dispose");this.state="DISPOSED";this.pause();this.abort_();if(this.sourceUpdater_){this.sourceUpdater_.dispose()}this.resetStats_();if(this.captionParser_){this.captionParser_.reset()}if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}if(this.syncController_&&this.triggerSyncInfoUpdate_){this.syncController_.off("syncinfoupdate",this.triggerSyncInfoUpdate_)}this.off()}},{key:"abort",value:function(){if("WAITING"!==this.state){if(this.pendingSegment_){this.pendingSegment_=null}return}this.abort_();this.state="READY";if(!this.paused()){this.monitorBuffer_()}}},{key:"abort_",value:function(){if(this.pendingSegment_){this.pendingSegment_.abortRequests()}this.pendingSegment_=null}},{key:"error",value:function(e){if("undefined"!=typeof e){this.error_=e}this.pendingSegment_=null;return this.error_}},{key:"endOfStream",value:function(){this.ended_=!0;this.pause();this.trigger("ended")}},{key:"buffered_",value:function(){if(!this.sourceUpdater_){return Ze.createTimeRanges()}return this.sourceUpdater_.buffered()}},{key:"initSegment",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=Mu(e),n=this.initSegments_[a];if(t&&!n&&e.bytes){this.initSegments_[a]=n={resolvedUri:e.resolvedUri,byterange:e.byterange,bytes:e.bytes,timescales:e.timescales,videoTrackIds:e.videoTrackIds}}return n||e}},{key:"segmentKey",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=Bu(e),n=this.keyCache_[a];if(this.cacheEncryptionKeys_&&t&&!n&&e.bytes){this.keyCache_[a]=n={resolvedUri:e.resolvedUri,bytes:e.bytes}}var r={resolvedUri:(n||e).resolvedUri};if(n){r.bytes=n.bytes}return r}},{key:"couldBeginLoading_",value:function(){return this.playlist_&&(this.sourceUpdater_||this.mimeType_&&"INIT"===this.state)&&!this.paused()}},{key:"load",value:function(){this.monitorBuffer_();if(!this.playlist_){return}this.syncController_.setDateTimeMapping(this.playlist_);if("INIT"===this.state&&this.couldBeginLoading_()){return this.init_()}if(!this.couldBeginLoading_()||"READY"!==this.state&&"INIT"!==this.state){return}this.state="READY"}},{key:"init_",value:function(){this.state="READY";this.sourceUpdater_=new tm(this.mediaSource_,this.mimeType_,this.loaderType_,this.sourceBufferEmitter_);this.resetEverything();return this.monitorBuffer_()}},{key:"playlist",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{};if(!e){return}var a=this.playlist_,n=this.pendingSegment_;this.playlist_=e;this.xhrOptions_=t;if("INIT"===this.state){e.syncInfo={mediaSequence:e.mediaSequence,time:0}}var r=null;if(a){if(a.id){r=a.id}else if(a.uri){r=a.uri}}this.logger_("playlist update ["+r+" => "+(e.id||e.uri)+"]");this.trigger("syncinfoupdate");if("INIT"===this.state&&this.couldBeginLoading_()){return this.init_()}if(!a||a.uri!==e.uri){if(null!==this.mediaIndex){this.resyncLoader()}return}var i=e.mediaSequence-a.mediaSequence;this.logger_("live window shift ["+i+"]");if(null!==this.mediaIndex){this.mediaIndex-=i}if(n){n.mediaIndex-=i;if(0<=n.mediaIndex){n.segment=e.segments[n.mediaIndex]}}this.syncController_.saveExpiredSegmentInfo(a,e)}},{key:"pause",value:function(){if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_);this.checkBufferTimeout_=null}}},{key:"paused",value:function(){return null===this.checkBufferTimeout_}},{key:"mimeType",value:function(e,t){if(this.mimeType_){return}this.mimeType_=e;this.sourceBufferEmitter_=t;if("INIT"===this.state&&this.couldBeginLoading_()){this.init_()}}},{key:"resetEverything",value:function(e){this.ended_=!1;this.resetLoader();this.remove(0,1/0,e);if(this.captionParser_){this.captionParser_.clearAllCaptions()}this.trigger("reseteverything")}},{key:"resetLoader",value:function(){this.fetchAtBuffer_=!1;this.resyncLoader()}},{key:"resyncLoader",value:function(){this.mediaIndex=null;this.syncPoint_=null;this.abort()}},{key:"remove",value:function(e,t,a){if(t===1/0){t=this.duration_()}if(this.sourceUpdater_){this.sourceUpdater_.remove(e,t,a)}oc(e,t,this.segmentMetadataTrack_);if(this.inbandTextTracks_){for(var n in this.inbandTextTracks_){oc(e,t,this.inbandTextTracks_[n])}}}},{key:"monitorBuffer_",value:function(){if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}this.checkBufferTimeout_=e.setTimeout(this.monitorBufferTick_.bind(this),1)}},{key:"monitorBufferTick_",value:function(){if("READY"===this.state){this.fillBuffer_()}if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}this.checkBufferTimeout_=e.setTimeout(this.monitorBufferTick_.bind(this),500)}},{key:"fillBuffer_",value:function(){if(this.sourceUpdater_.updating()){return}if(!this.syncPoint_){this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_())}var e=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);if(!e){return}if(this.isEndOfStream_(e.mediaIndex)){this.endOfStream();return}if(e.mediaIndex===this.playlist_.segments.length-1&&"ended"===this.mediaSource_.readyState&&!this.seeking_()){return}if(e.timeline!==this.currentTimeline_){this.syncController_.reset();e.timestampOffset=e.startOfSegment;if(this.captionParser_){this.captionParser_.clearAllCaptions()}}this.loadSegment_(e)}},{key:"isEndOfStream_",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:this.playlist_;return km(t,this.mediaSource_,e)&&!this.sourceUpdater_.updating()}},{key:"checkBuffer_",value:function(e,t,a,n,r,i){var s=0,o=void 0;if(e.length){s=e.end(e.length-1)}var l=Math.max(0,s-r);if(!t.segments.length){return null}if(l>=this.goalBufferLength_()){return null}if(!n&&1<=l){return null}if(null===i){a=this.getSyncSegmentCandidate_(t);return this.generateSegmentInfo_(t,a,null,!0)}if(null!==a){t.segments[a];o=s;return this.generateSegmentInfo_(t,a+1,o,!1)}if(this.fetchAtBuffer_){var d=xu.getMediaInfoForTime(t,s,i.segmentIndex,i.time);a=d.mediaIndex;o=d.startTime}else{var p=xu.getMediaInfoForTime(t,r,i.segmentIndex,i.time);a=p.mediaIndex;o=p.startTime}return this.generateSegmentInfo_(t,a,o,!1)}},{key:"getSyncSegmentCandidate_",value:function(e){var t=this;if(-1===this.currentTimeline_){return 0}var a=e.segments.map(function(e,t){return{timeline:e.timeline,segmentIndex:t}}).filter(function(e){return e.timeline===t.currentTimeline_});if(a.length){return a[Math.min(a.length-1,1)].segmentIndex}return Math.max(e.segments.length-1,0)}},{key:"generateSegmentInfo_",value:function(e,t,a,n){if(0>t||t>=e.segments.length){return null}var r=e.segments[t];return{requestId:"segment-loader-"+Math.random(),uri:r.resolvedUri,mediaIndex:t,isSyncRequest:n,startOfSegment:a,playlist:e,bytes:null,encryptedBytes:null,timestampOffset:null,timeline:r.timeline,duration:r.duration,segment:r}}},{key:"abortRequestEarly_",value:function(e){if(this.hls_.tech_.paused()||!this.xhrOptions_.timeout||!this.playlist_.attributes.BANDWIDTH){return!1}if(1e3>Date.now()-(e.firstBytesReceivedAt||Date.now())){return!1}var t=this.currentTime_(),a=e.bandwidth,n=this.pendingSegment_.duration,r=xu.estimateSegmentRequestTime(n,a,this.playlist_,e.bytesReceived),i=rc(this.buffered_(),t,this.hls_.tech_.playbackRate())-1;if(r<=i){return!1}var s=bm({master:this.hls_.playlists.master,currentTime:t,bandwidth:a,duration:this.duration_(),segmentDuration:n,timeUntilRebuffer:i,currentTimeline:this.currentTimeline_,syncController:this.syncController_});if(!s){return}var o=r-i-s.rebufferingImpact,l=.5;if(i<=Qu){l=1}if(!s.playlist||s.playlist.uri===this.playlist_.uri||o<l){return!1}this.bandwidth=s.playlist.attributes.BANDWIDTH*am.BANDWIDTH_VARIANCE+1;this.abort();this.trigger("earlyabort");return!0}},{key:"handleProgress_",value:function(e,t){if(!this.pendingSegment_||t.requestId!==this.pendingSegment_.requestId||this.abortRequestEarly_(t.stats)){return}this.trigger("progress")}},{key:"loadSegment_",value:function(e){this.state="WAITING";this.pendingSegment_=e;this.trimBackBuffer_(e);e.abortRequests=gm(this.hls_.xhr,this.xhrOptions_,this.decrypter_,this.captionParser_,this.createSimplifiedSegmentObj_(e),this.handleProgress_.bind(this),this.segmentRequestFinished_.bind(this))}},{key:"trimBackBuffer_",value:function(){var e=Im(this.seekable_(),this.currentTime_(),this.playlist_.targetDuration||10);if(0<e){this.remove(0,e)}}},{key:"createSimplifiedSegmentObj_",value:function(e){var t=e.segment,a={resolvedUri:t.resolvedUri,byterange:t.byterange,requestId:e.requestId};if(t.key){var n=t.key.iv||new Uint32Array([0,0,0,e.mediaIndex+e.playlist.mediaSequence]);a.key=this.segmentKey(t.key);a.key.iv=n}if(t.map){a.map=this.initSegment(t.map)}return a}},{key:"segmentRequestFinished_",value:function(e,t){this.mediaRequests+=1;if(t.stats){this.mediaBytesTransferred+=t.stats.bytesReceived;this.mediaTransferDuration+=t.stats.roundTripTime}if(!this.pendingSegment_){this.mediaRequestsAborted+=1;return}if(t.requestId!==this.pendingSegment_.requestId){return}if(e){this.pendingSegment_=null;this.state="READY";if(e.code===nm.ABORTED){this.mediaRequestsAborted+=1;return}this.pause();if(e.code===nm.TIMEOUT){this.mediaRequestsTimedout+=1;this.bandwidth=1;this.roundTrip=NaN;this.trigger("bandwidthupdate");return}this.mediaRequestsErrored+=1;this.error(e);this.trigger("error");return}this.bandwidth=t.stats.bandwidth;this.roundTrip=t.stats.roundTripTime;if(t.map){t.map=this.initSegment(t.map,!0)}if(t.key){this.segmentKey(t.key,!0)}this.processSegmentResponse_(t)}},{key:"processSegmentResponse_",value:function(e){var t=this.pendingSegment_;t.bytes=e.bytes;if(e.map){t.segment.map.bytes=e.map.bytes}t.endOfAllRequests=e.endOfAllRequests;if(e.fmp4Captions){vm(this.inbandTextTracks_,this.hls_.tech_,e.captionStreams);Sm({inbandTextTracks:this.inbandTextTracks_,captionArray:e.fmp4Captions,timestampOffset:0});if(this.captionParser_){this.captionParser_.clearParsedCaptions()}}this.handleSegment_()}},{key:"handleSegment_",value:function(){var e=this;if(!this.pendingSegment_){this.state="READY";return}var t=this.pendingSegment_,a=t.segment,n=this.syncController_.probeSegmentInfo(t);if("undefined"==typeof this.startingMedia_&&n&&(n.containsAudio||n.containsVideo)){this.startingMedia_={containsAudio:n.containsAudio,containsVideo:n.containsVideo}}var r=Em(this.loaderType_,this.startingMedia_,n);if(r){this.error({message:r,blacklistDuration:1/0});this.trigger("error");return}if(t.isSyncRequest){this.trigger("syncinfoupdate");this.pendingSegment_=null;this.state="READY";return}if(null!==t.timestampOffset&&t.timestampOffset!==this.sourceUpdater_.timestampOffset()){if(n&&n.segmentTimestampInfo){var i=n.segmentTimestampInfo[0].ptsTime,s=n.segmentTimestampInfo[0].dtsTime;t.timestampOffset-=i-s}this.sourceUpdater_.timestampOffset(t.timestampOffset);this.trigger("timestampoffset")}var o=this.syncController_.mappingForTimeline(t.timeline);if(null!==o){this.trigger({type:"segmenttimemapping",mapping:o})}this.state="APPENDING";if(a.map){var l=Mu(a.map);if(!this.activeInitSegmentId_||this.activeInitSegmentId_!==l){var d=this.initSegment(a.map);this.sourceUpdater_.appendBuffer({bytes:d.bytes},function(){e.activeInitSegmentId_=l})}}t.byteLength=t.bytes.byteLength;if("number"==typeof a.start&&"number"==typeof a.end){this.mediaSecondsLoaded+=a.end-a.start}else{this.mediaSecondsLoaded+=a.duration}this.logger_(xm(t));this.sourceUpdater_.appendBuffer({bytes:t.bytes,videoSegmentTimingInfoCallback:this.handleVideoSegmentTimingInfo_.bind(this,t.requestId)},this.handleUpdateEnd_.bind(this))}},{key:"handleVideoSegmentTimingInfo_",value:function(e,t){if(!this.pendingSegment_||e!==this.pendingSegment_.requestId){return}var a=this.pendingSegment_.segment;if(!a.videoTimingInfo){a.videoTimingInfo={}}a.videoTimingInfo.transmuxerPrependedSeconds=t.videoSegmentTimingInfo.prependedContentDuration||0;a.videoTimingInfo.transmuxedPresentationStart=t.videoSegmentTimingInfo.start.presentation;a.videoTimingInfo.transmuxedPresentationEnd=t.videoSegmentTimingInfo.end.presentation;a.videoTimingInfo.baseMediaDecodeTime=t.videoSegmentTimingInfo.baseMediaDecodeTime}},{key:"handleUpdateEnd_",value:function(){if(!this.pendingSegment_){this.state="READY";if(!this.paused()){this.monitorBuffer_()}return}var e=this.pendingSegment_,t=e.segment,a=null!==this.mediaIndex;this.pendingSegment_=null;this.recordThroughput_(e);this.addSegmentMetadataCue_(e);this.state="READY";this.mediaIndex=e.mediaIndex;this.fetchAtBuffer_=!0;this.currentTimeline_=e.timeline;this.trigger("syncinfoupdate");if(t.end&&this.currentTime_()-t.end>3*e.playlist.targetDuration){this.resetEverything();return}if(a){this.trigger("bandwidthupdate")}this.trigger("progress");if(this.isEndOfStream_(e.mediaIndex+1,e.playlist)){this.endOfStream()}if(!this.paused()){this.monitorBuffer_()}}},{key:"recordThroughput_",value:function(e){var t=this.throughput.rate,a=Date.now()-e.endOfAllRequests+1,n=Math.floor(1e3*(8*(e.byteLength/a)));this.throughput.rate+=(n-t)/++this.throughput.count}},{key:"addSegmentMetadataCue_",value:function(t){if(!this.segmentMetadataTrack_){return}var a=t.segment,n=a.start,r=a.end;if(!Cm(n)||!Cm(r)){return}oc(n,r,this.segmentMetadataTrack_);var i=e.WebKitDataCue||e.VTTCue,s={custom:a.custom,dateTimeObject:a.dateTimeObject,dateTimeString:a.dateTimeString,bandwidth:t.playlist.attributes.BANDWIDTH,resolution:t.playlist.attributes.RESOLUTION,codecs:t.playlist.attributes.CODECS,byteLength:t.byteLength,uri:t.uri,timeline:t.timeline,playlist:t.playlist.id,start:n,end:r},o=JSON.stringify(s),l=new i(n,r,o);l.value=s;this.segmentMetadataTrack_.addCue(l)}}]);return a}(Ze.EventTarget),Pm=function(e){return decodeURIComponent(escape(String.fromCharCode.apply(null,e)))},Dm=new Uint8Array(["\n","\n"].map(function(e){return e.charCodeAt(0)})),wm=function(t){Gp(a,t);function a(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{};Vp(this,a);var n=Kp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this,e,t));n.mediaSource_=null;n.subtitlesTrack_=null;n.featuresNativeTextTracks_=e.featuresNativeTextTracks;return n}Wp(a,[{key:"buffered_",value:function(){if(!this.subtitlesTrack_||!this.subtitlesTrack_.cues.length){return Ze.createTimeRanges()}var e=this.subtitlesTrack_.cues,t=e[0].startTime,a=e[e.length-1].startTime;return Ze.createTimeRanges([[t,a]])}},{key:"initSegment",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=Mu(e),n=this.initSegments_[a];if(t&&!n&&e.bytes){var r=Dm.byteLength+e.bytes.byteLength,i=new Uint8Array(r);i.set(e.bytes);i.set(Dm,e.bytes.byteLength);this.initSegments_[a]=n={resolvedUri:e.resolvedUri,byterange:e.byterange,bytes:i}}return n||e}},{key:"couldBeginLoading_",value:function(){return this.playlist_&&this.subtitlesTrack_&&!this.paused()}},{key:"init_",value:function(){this.state="READY";this.resetEverything();return this.monitorBuffer_()}},{key:"track",value:function(e){if("undefined"==typeof e){return this.subtitlesTrack_}this.subtitlesTrack_=e;if("INIT"===this.state&&this.couldBeginLoading_()){this.init_()}return this.subtitlesTrack_}},{key:"remove",value:function(e,t){oc(e,t,this.subtitlesTrack_)}},{key:"fillBuffer_",value:function(){var e=this;if(!this.syncPoint_){this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_())}var t=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);t=this.skipEmptySegments_(t);if(!t){return}if(null===this.syncController_.timestampOffsetForTimeline(t.timeline)){var a=function(){e.state="READY";if(!e.paused()){e.monitorBuffer_()}};this.syncController_.one("timestampoffset",a);this.state="WAITING_ON_TIMELINE";return}this.loadSegment_(t)}},{key:"skipEmptySegments_",value:function(e){while(e&&e.segment.empty){e=this.generateSegmentInfo_(e.playlist,e.mediaIndex+1,e.startOfSegment+e.duration,e.isSyncRequest)}return e}},{key:"handleSegment_",value:function(){var t=this;if(!this.pendingSegment_||!this.subtitlesTrack_){this.state="READY";return}this.state="APPENDING";var a=this.pendingSegment_,n=a.segment;if("function"!=typeof e.WebVTT&&this.subtitlesTrack_&&this.subtitlesTrack_.tech_){var r=void 0,i=function(){t.subtitlesTrack_.tech_.off("vttjsloaded",r);t.error({message:"Error loading vtt.js"});t.state="READY";t.pause();t.trigger("error")};r=function(){t.subtitlesTrack_.tech_.off("vttjserror",i);t.handleSegment_()};this.state="WAITING_ON_VTTJS";this.subtitlesTrack_.tech_.one("vttjsloaded",r);this.subtitlesTrack_.tech_.one("vttjserror",i);return}n.requested=!0;try{this.parseVTTCues_(a)}catch(t){this.error({message:t.message});this.state="READY";this.pause();return this.trigger("error")}this.updateTimeMapping_(a,this.syncController_.timelines[a.timeline],this.playlist_);if(a.isSyncRequest){this.trigger("syncinfoupdate");this.pendingSegment_=null;this.state="READY";return}a.byteLength=a.bytes.byteLength;this.mediaSecondsLoaded+=n.duration;if(a.cues.length){this.remove(a.cues[0].endTime,a.cues[a.cues.length-1].endTime)}a.cues.forEach(function(a){t.subtitlesTrack_.addCue(t.featuresNativeTextTracks_?new e.VTTCue(a.startTime,a.endTime,a.text):a)});this.handleUpdateEnd_()}},{key:"parseVTTCues_",value:function(t){var a=void 0,n=!1;if("function"==typeof e.TextDecoder){a=new e.TextDecoder("utf8")}else{a=e.WebVTT.StringDecoder();n=!0}var r=new e.WebVTT.Parser(e,e.vttjs,a);t.cues=[];t.timestampmap={MPEGTS:0,LOCAL:0};r.oncue=t.cues.push.bind(t.cues);r.ontimestampmap=function(e){return t.timestampmap=e};r.onparsingerror=function(e){Ze.log.warn("Error encountered when parsing cues: "+e.message)};if(t.segment.map){var i=t.segment.map.bytes;if(n){i=Pm(i)}r.parse(i)}var s=t.bytes;if(n){s=Pm(s)}r.parse(s);r.flush()}},{key:"updateTimeMapping_",value:function(e,t,a){var n=e.segment;if(!t){return}if(!e.cues.length){n.empty=!0;return}var r=e.timestampmap,i=r.MPEGTS/9e4-r.LOCAL+t.mapping;e.cues.forEach(function(e){e.startTime+=i;e.endTime+=i});if(!a.syncInfo){var s=e.cues[0].startTime,o=e.cues[e.cues.length-1].startTime;a.syncInfo={mediaSequence:a.mediaSequence+e.mediaIndex,time:Math.min(s,o-n.duration)}}}}]);return a}(Lm),Am=function(e,t){for(var a=e.cues,n=0,r;n<a.length;n++){r=a[n];if(t>=r.adStartTime&&t<=r.adEndTime){return r}}return null},Om=function(t,a){var n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:0;if(!t.segments){return}for(var r=n,s=void 0,o=0,l;o<t.segments.length;o++){l=t.segments[o];if(!s){s=Am(a,r+l.duration/2)}if(s){if("cueIn"in l){s.endTime=r;s.adEndTime=r;r+=l.duration;s=null;continue}if(r<s.endTime){r+=l.duration;continue}s.endTime+=l.duration}else{if("cueOut"in l){s=new e.VTTCue(r,r+l.duration,l.cueOut);s.adStartTime=r;s.adEndTime=r+parseFloat(l.cueOut);a.addCue(s)}if("cueOutCont"in l){var d=void 0,p=void 0,u=l.cueOutCont.split("/").map(parseFloat),c=Yp(u,2);d=c[0];p=c[1];s=new e.VTTCue(r,r+l.duration,"");s.adStartTime=r-d;s.adEndTime=s.adStartTime+p;a.addCue(s)}}r+=l.duration}},Rm={inspect:function(e,t){var a=Tp.aac.isLikelyAacData(e),n;if(a){n=xp(e)}else{n=Lp(e)}if(!n||!n.audio&&!n.video){return null}Ip(n,t);return n},parseAudioPes_:Cp}.inspect,Nm=[{name:"VOD",run:function(e,t,a){if(a!==1/0){return{time:0,segmentIndex:0}}return null}},{name:"ProgramDateTime",run:function(e,t,a,n,r){if(!e.datetimeToDisplayTime){return null}var s=t.segments||[],o=null,l=null;r=r||0;for(var d=0,p;d<s.length;d++){p=s[d];if(p.dateTimeObject){var u=p.dateTimeObject.getTime()/1e3,c=u+e.datetimeToDisplayTime,m=Math.abs(r-c);if(null!==l&&(0===m||l<m)){break}l=m;o={time:c,segmentIndex:d}}}return o}},{name:"Segment",run:function(e,t,a,n,r){var s=t.segments||[],o=null,l=null;r=r||0;for(var d=0,p;d<s.length;d++){p=s[d];if(p.timeline===n&&"undefined"!=typeof p.start){var u=Math.abs(r-p.start);if(null!==l&&l<u){break}if(!o||null===l||l>=u){l=u;o={time:p.start,segmentIndex:d}}}}return o}},{name:"Discontinuity",run:function(e,t,a,n,r){var s=null;r=r||0;if(t.discontinuityStarts&&t.discontinuityStarts.length){for(var o=null,l=0;l<t.discontinuityStarts.length;l++){var d=t.discontinuityStarts[l],p=t.discontinuitySequence+l+1,u=e.discontinuities[p];if(u){var c=Math.abs(r-u.time);if(null!==o&&o<c){break}if(!s||null===o||o>=c){o=c;s={time:u.time,segmentIndex:d}}}}}return s}},{name:"Playlist",run:function(e,t){if(t.syncInfo){var a={time:t.syncInfo.time,segmentIndex:t.syncInfo.mediaSequence-t.mediaSequence};return a}return null}}],Um=function(e){Gp(t,e);function t(){Vp(this,t);var e=Kp(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));e.inspectCache_=void 0;e.timelines=[];e.discontinuities=[];e.datetimeToDisplayTime=null;e.logger_=em("SyncController");return e}Wp(t,[{key:"getSyncPoint",value:function(e,t,a,n){var r=this.runStrategies_(e,t,a,n);if(!r.length){return null}return this.selectSyncPoint_(r,{key:"time",value:n})}},{key:"getExpiredTime",value:function(e,t){if(!e||!e.segments){return null}var a=this.runStrategies_(e,t,e.discontinuitySequence,0);if(!a.length){return null}var n=this.selectSyncPoint_(a,{key:"segmentIndex",value:0});if(0<n.segmentIndex){n.time*=-1}return Math.abs(n.time+cu(e,n.segmentIndex,0))}},{key:"runStrategies_",value:function(e,t,a,n){for(var r=[],s=0;s<Nm.length;s++){var o=Nm[s],l=o.run(this,e,t,a,n);if(l){l.strategy=o.name;r.push({strategy:o.name,syncPoint:l})}}return r}},{key:"selectSyncPoint_",value:function(e,t){for(var a=e[0].syncPoint,n=Math.abs(e[0].syncPoint[t.key]-t.value),r=e[0].strategy,s=1,o;s<e.length;s++){o=Math.abs(e[s].syncPoint[t.key]-t.value);if(o<n){n=o;a=e[s].syncPoint;r=e[s].strategy}}this.logger_("syncPoint for ["+t.key+": "+t.value+"] chosen with strategy"+(" ["+r+"]: [time:"+a.time+",")+(" segmentIndex:"+a.segmentIndex+"]"));return a}},{key:"saveExpiredSegmentInfo",value:function(e,t){for(var a=t.mediaSequence-e.mediaSequence,n=a-1,r;0<=n;n--){r=e.segments[n];if(r&&"undefined"!=typeof r.start){t.syncInfo={mediaSequence:e.mediaSequence+n,time:r.start};this.logger_("playlist refresh sync: [time:"+t.syncInfo.time+","+(" mediaSequence: "+t.syncInfo.mediaSequence+"]"));this.trigger("syncinfoupdate");break}}}},{key:"setDateTimeMapping",value:function(e){if(!this.datetimeToDisplayTime&&e.segments&&e.segments.length&&e.segments[0].dateTimeObject){var t=e.segments[0].dateTimeObject.getTime()/1e3;this.datetimeToDisplayTime=-t}}},{key:"reset",value:function(){this.inspectCache_=void 0}},{key:"probeSegmentInfo",value:function(e){var t=e.segment,a=e.playlist,n=void 0;if(t.map){n=this.probeMp4Segment_(e)}else{n=this.probeTsSegment_(e)}if(n){if(this.calculateSegmentTimeMapping_(e,n)){this.saveDiscontinuitySyncInfo_(e);if(!a.syncInfo){a.syncInfo={mediaSequence:a.mediaSequence+e.mediaIndex,time:t.start}}}}return n}},{key:"probeMp4Segment_",value:function(e){var t=e.segment,a=Ed.timescale(t.map.bytes),n=Ed.compositionStartTime(a,e.bytes);if(null!==e.timestampOffset){e.timestampOffset-=n}return{start:n,end:n+t.duration}}},{key:"probeTsSegment_",value:function(e){var t=Rm(e.bytes,this.inspectCache_),a=void 0,n=void 0,r=void 0;if(!t){return null}if(t.video&&2===t.video.length){this.inspectCache_=t.video[1].dts;a=t.video[0].dtsTime;n=t.video[1].dtsTime;r=t.video}else if(t.audio&&2===t.audio.length){this.inspectCache_=t.audio[1].dts;a=t.audio[0].dtsTime;n=t.audio[1].dtsTime;r=t.audio}var i={segmentTimestampInfo:r,start:a,end:n,containsVideo:t.video&&2===t.video.length,containsAudio:t.audio&&2===t.audio.length};return i}},{key:"timestampOffsetForTimeline",value:function(e){if("undefined"==typeof this.timelines[e]){return null}return this.timelines[e].time}},{key:"mappingForTimeline",value:function(e){if("undefined"==typeof this.timelines[e]){return null}return this.timelines[e].mapping}},{key:"calculateSegmentTimeMapping_",value:function(e,t){var a=e.segment,n=this.timelines[e.timeline];if(null!==e.timestampOffset){n={time:e.startOfSegment,mapping:e.startOfSegment-t.start};this.timelines[e.timeline]=n;this.trigger("timestampoffset");this.logger_("time mapping for timeline "+e.timeline+": "+("[time: "+n.time+"] [mapping: "+n.mapping+"]"));a.start=e.startOfSegment;a.end=t.end+n.mapping}else if(n){a.start=t.start+n.mapping;a.end=t.end+n.mapping}else{return!1}return!0}},{key:"saveDiscontinuitySyncInfo_",value:function(e){var 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e(){a(this,e);this.listeners={}}e.prototype.on=function(e,t){if(!this.listeners[e]){this.listeners[e]=[]}this.listeners[e].push(t)};e.prototype.off=function(e,t){if(!this.listeners[e]){return!1}var a=this.listeners[e].indexOf(t);this.listeners[e].splice(a,1);return-1<a};e.prototype.trigger=function(e){var t=this.listeners[e];if(!t){return}if(2===arguments.length){for(var a=t.length,n=0;n<a;++n){t[n].call(this,arguments[1])}}else{for(var r=Array.prototype.slice.call(arguments,1),s=t.length,o=0;o<s;++o){t[o].apply(this,r)}}};e.prototype.dispose=function(){this.listeners={}};e.prototype.pipe=function(e){this.on("data",function(t){e.push(t)})};return e}(),p=function(e){r(t,e);function t(){a(this,t);var n=i(this,e.call(this,d));n.jobs=[];n.delay=1;n.timeout_=null;return 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p;this.asyncStream_.push(this.decryptChunk_(d.subarray(m,m+l),r,s,c));for(m=l;m<d.length;m+=l){s=new Uint32Array([u(d[m-4]),u(d[m-3]),u(d[m-2]),u(d[m-1])]);this.asyncStream_.push(this.decryptChunk_(d.subarray(m,m+l),r,s,c))}this.asyncStream_.push(function(){o(null,t(c))})}e.prototype.decryptChunk_=function(e,t,a,n){return function(){var r=c(e,t,a);n.set(r,e.byteOffset)}};n(e,null,[{key:"STEP",get:function(){return 32e3}}]);return e}(),g=function(e){var t={};Object.keys(e).forEach(function(a){var n=e[a];if(ArrayBuffer.isView(n)){t[a]={bytes:n.buffer,byteOffset:n.byteOffset,byteLength:n.byteLength}}else{t[a]=n}});return t},y=new function(e){e.onmessage=function(t){var a=t.data,n=new Uint8Array(a.encrypted.bytes,a.encrypted.byteOffset,a.encrypted.byteLength),r=new Uint32Array(a.key.bytes,a.key.byteOffset,a.key.byteLength/4),i=new Uint32Array(a.iv.bytes,a.iv.byteOffset,a.iv.byteLength/4);new m(n,r,i,function(t,n){e.postMessage(g({source:a.source,decrypted:n}),[n.buffer])})}}(e);return y}()}),Bm=function(e){var t=e["default"]?"main":"alternative";if(e.characteristics&&0<=e.characteristics.indexOf("public.accessibility.describes-video")){t="main-desc"}return t},jm=function(e,t){e.abort();e.pause();if(t&&t.activePlaylistLoader){t.activePlaylistLoader.pause();t.activePlaylistLoader=null}},Fm=function(e,t){t.activePlaylistLoader=e;e.load()},Hm=function(e,t){return function(){var a=t.segmentLoaders,n=a[e],r=a.main,i=t.mediaTypes[e],s=i.activeTrack(),o=i.activeGroup(s),l=i.activePlaylistLoader;jm(n,i);if(!o){return}if(!o.playlistLoader){if(l){r.resetEverything()}return}n.resyncLoader();Fm(o.playlistLoader,i)}},qm=function(e,t){return function(){var a=t.segmentLoaders,n=a[e],r=a.main,i=t.mediaTypes[e],s=i.activeTrack(),o=i.activeGroup(s),l=i.activePlaylistLoader;jm(n,i);if(!o){return}if(!o.playlistLoader){r.resetEverything();return}if(l===o.playlistLoader){Fm(o.playlistLoader,i);return}if(n.track){n.track(s)}n.resetEverything();Fm(o.playlistLoader,i)}},Vm={AUDIO:function(e,t){return function(){var a=t.segmentLoaders[e],n=t.mediaTypes[e],r=t.blacklistCurrentPlaylist;jm(a,n);var i=n.activeTrack(),s=n.activeGroup(),o=(s.filter(function(e){return e["default"]})[0]||s[0]).id,l=n.tracks[o];if(i===l){r({message:"Problem encountered loading the default audio track."});return}Ze.log.warn("Problem encountered loading the alternate audio track.Switching back to default.");for(var d in n.tracks){n.tracks[d].enabled=n.tracks[d]===l}n.onTrackChanged()}},SUBTITLES:function(e,t){return function(){var a=t.segmentLoaders[e],n=t.mediaTypes[e];Ze.log.warn("Problem encountered loading the subtitle track.Disabling subtitle track.");jm(a,n);var r=n.activeTrack();if(r){r.mode="disabled"}n.onTrackChanged()}}},Wm={AUDIO:function(e,t,a){if(!t){return}var n=a.tech,r=a.requestOptions,i=a.segmentLoaders[e];t.on("loadedmetadata",function(){var e=t.media();i.playlist(e,r);if(!n.paused()||e.endList&&"none"!==n.preload()){i.load()}});t.on("loadedplaylist",function(){i.playlist(t.media(),r);if(!n.paused()){i.load()}});t.on("error",Vm[e](e,a))},SUBTITLES:function(e,t,a){var n=a.tech,r=a.requestOptions,i=a.segmentLoaders[e],s=a.mediaTypes[e];t.on("loadedmetadata",function(){var e=t.media();i.playlist(e,r);i.track(s.activeTrack());if(!n.paused()||e.endList&&"none"!==n.preload()){i.load()}});t.on("loadedplaylist",function(){i.playlist(t.media(),r);if(!n.paused()){i.load()}});t.on("error",Vm[e](e,a))}},zm={AUDIO:function(e,t){var a=t.hls,n=t.sourceType,r=t.segmentLoaders[e],i=t.requestOptions,s=t.master.mediaGroups,o=t.mediaTypes[e],l=o.groups,d=o.tracks,p=t.masterPlaylistLoader;if(!s[e]||0===Object.keys(s[e]).length){s[e]={main:{default:{default:!0}}}}for(var u in s[e]){if(!l[u]){l[u]=[]}for(var c in s[e][u]){var m=s[e][u][c],g=void 0;if(m.resolvedUri){g=new su(m.resolvedUri,a,i)}else if(m.playlists&&"dash"===n){g=new Zc(m.playlists[0],a,i,p)}else{g=null}m=Ze.mergeOptions({id:c,playlistLoader:g},m);Wm[e](e,m.playlistLoader,t);l[u].push(m);if("undefined"==typeof d[c]){var y=new Ze.AudioTrack({id:c,kind:Bm(m),enabled:!1,language:m.language,default:m["default"],label:c});d[c]=y}}}r.on("error",Vm[e](e,t))},SUBTITLES:function(e,t){var a=t.tech,n=t.hls,r=t.sourceType,i=t.segmentLoaders[e],s=t.requestOptions,o=t.master.mediaGroups,l=t.mediaTypes[e],d=l.groups,p=l.tracks,u=t.masterPlaylistLoader;for(var c in o[e]){if(!d[c]){d[c]=[]}for(var m in o[e][c]){if(o[e][c][m].forced){continue}var g=o[e][c][m],y=void 0;if("hls"===r){y=new su(g.resolvedUri,n,s)}else if("dash"===r){y=new Zc(g.playlists[0],n,s,u)}g=Ze.mergeOptions({id:m,playlistLoader:y},g);Wm[e](e,g.playlistLoader,t);d[c].push(g);if("undefined"==typeof p[m]){var h=a.addRemoteTextTrack({id:m,kind:"subtitles",default:g["default"]&&g.autoselect,language:g.language,label:m},!1).track;p[m]=h}}}i.on("error",Vm[e](e,t))},"CLOSED-CAPTIONS":function(e,t){var a=t.tech,n=t.master.mediaGroups,r=t.mediaTypes[e],i=r.groups,s=r.tracks;for(var o in n[e]){if(!i[o]){i[o]=[]}for(var l in n[e][o]){var d=n[e][o][l];if(!d.instreamId.match(/CC\d/)){continue}i[o].push(Ze.mergeOptions({id:l},d));if("undefined"==typeof s[l]){var p=a.addRemoteTextTrack({id:d.instreamId,kind:"captions",default:d["default"]&&d.autoselect,language:d.language,label:l},!1).track;s[l]=p}}}}},Gm=function(e,t){return function(a){var n=t.masterPlaylistLoader,r=t.mediaTypes[e].groups,i=n.media();if(!i){return null}var s=null;if(i.attributes[e]){s=r[i.attributes[e]]}s=s||r.main;if("undefined"==typeof a){return s}if(null===a){return null}return s.filter(function(e){return e.id===a.id})[0]||null}},Km={AUDIO:function(e,t){return function(){var a=t.mediaTypes[e].tracks;for(var n in a){if(a[n].enabled){return a[n]}}return null}},SUBTITLES:function(e,t){return function(){var a=t.mediaTypes[e].tracks;for(var n in a){if("showing"===a[n].mode||"hidden"===a[n].mode){return a[n]}}return null}}},Ym=function(e){["AUDIO","SUBTITLES","CLOSED-CAPTIONS"].forEach(function(t){zm[t](t,e)});var t=e.mediaTypes,a=e.masterPlaylistLoader,n=e.tech,r=e.hls;["AUDIO","SUBTITLES"].forEach(function(a){t[a].activeGroup=Gm(a,e);t[a].activeTrack=Km[a](a,e);t[a].onGroupChanged=Hm(a,e);t[a].onTrackChanged=qm(a,e)});var i=t.AUDIO.activeGroup(),s=(i.filter(function(e){return e["default"]})[0]||i[0]).id;t.AUDIO.tracks[s].enabled=!0;t.AUDIO.onTrackChanged();a.on("mediachange",function(){["AUDIO","SUBTITLES"].forEach(function(e){return t[e].onGroupChanged()})});var o=function(){t.AUDIO.onTrackChanged();n.trigger({type:"usage",name:"hls-audio-change"})};n.audioTracks().addEventListener("change",o);n.remoteTextTracks().addEventListener("change",t.SUBTITLES.onTrackChanged);r.on("dispose",function(){n.audioTracks().removeEventListener("change",o);n.remoteTextTracks().removeEventListener("change",t.SUBTITLES.onTrackChanged)});n.clearTracks("audio");for(var l in t.AUDIO.tracks){n.audioTracks().addTrack(t.AUDIO.tracks[l])}},Xm=function(){var e={};["AUDIO","SUBTITLES","CLOSED-CAPTIONS"].forEach(function(t){e[t]={groups:{},tracks:{},activePlaylistLoader:null,activeGroup:pa,activeTrack:pa,onGroupChanged:pa,onTrackChanged:pa}});return e},$m=void 0,Qm=["mediaRequests","mediaRequestsAborted","mediaRequestsTimedout","mediaRequestsErrored","mediaTransferDuration","mediaBytesTransferred"],Jm=function(e){return this.audioSegmentLoader_[e]+this.mainSegmentLoader_[e]},Zm=function(t){Gp(a,t);function a(e){Vp(this,a);var t=Kp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this)),n=e.url,r=e.handleManifestRedirects,i=e.withCredentials,s=e.tech,o=e.bandwidth,l=e.externHls,d=e.useCueTags,p=e.blacklistDuration,u=e.enableLowInitialPlaylist,c=e.sourceType,m=e.seekTo,g=e.cacheEncryptionKeys;if(!n){throw new Error("A non-empty playlist URL is required")}$m=l;t.withCredentials=i;t.tech_=s;t.hls_=s.hls;t.seekTo_=m;t.sourceType_=c;t.useCueTags_=d;t.blacklistDuration=p;t.enableLowInitialPlaylist=u;if(t.useCueTags_){t.cueTagsTrack_=t.tech_.addTextTrack("metadata","ad-cues");t.cueTagsTrack_.inBandMetadataTrackDispatchType=""}t.requestOptions_={withCredentials:i,handleManifestRedirects:r,timeout:null};t.mediaTypes_=Xm();t.mediaSource=new Ze.MediaSource;t.mediaSource.addEventListener("sourceopen",t.handleSourceOpen_.bind(t));t.seekable_=Ze.createTimeRanges();t.hasPlayed_=!1;t.syncController_=new Um(e);t.segmentMetadataTrack_=s.addRemoteTextTrack({kind:"metadata",label:"segment-metadata"},!1).track;t.decrypter_=new Mm;t.inbandTextTracks_={};var y={hls:t.hls_,mediaSource:t.mediaSource,currentTime:t.tech_.currentTime.bind(t.tech_),seekable:function(){return t.seekable()},seeking:function(){return t.tech_.seeking()},duration:function(){return t.mediaSource.duration},hasPlayed:function(){return t.hasPlayed_},goalBufferLength:function(){return t.goalBufferLength()},bandwidth:o,syncController:t.syncController_,decrypter:t.decrypter_,sourceType:t.sourceType_,inbandTextTracks:t.inbandTextTracks_,cacheEncryptionKeys:g};t.masterPlaylistLoader_="dash"===t.sourceType_?new Zc(n,t.hls_,t.requestOptions_):new su(n,t.hls_,t.requestOptions_);t.setupMasterPlaylistLoaderListeners_();t.mainSegmentLoader_=new Lm(Ze.mergeOptions(y,{segmentMetadataTrack:t.segmentMetadataTrack_,loaderType:"main"}),e);t.audioSegmentLoader_=new Lm(Ze.mergeOptions(y,{loaderType:"audio"}),e);t.subtitleSegmentLoader_=new wm(Ze.mergeOptions(y,{loaderType:"vtt",featuresNativeTextTracks:t.tech_.featuresNativeTextTracks}),e);t.setupSegmentLoaderListeners_();Qm.forEach(function(e){t[e+"_"]=Jm.bind(t,e)});t.logger_=em("MPC");t.masterPlaylistLoader_.load();return t}Wp(a,[{key:"setupMasterPlaylistLoaderListeners_",value:function(){var t=this;this.masterPlaylistLoader_.on("loadedmetadata",function(){var e=t.masterPlaylistLoader_.media(),a=1e3*(1.5*e.targetDuration);if(Iu(t.masterPlaylistLoader_.master,t.masterPlaylistLoader_.media())){t.requestOptions_.timeout=0}else{t.requestOptions_.timeout=a}if(e.endList&&"none"!==t.tech_.preload()){t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.mainSegmentLoader_.load()}Ym({sourceType:t.sourceType_,segmentLoaders:{AUDIO:t.audioSegmentLoader_,SUBTITLES:t.subtitleSegmentLoader_,main:t.mainSegmentLoader_},tech:t.tech_,requestOptions:t.requestOptions_,masterPlaylistLoader:t.masterPlaylistLoader_,hls:t.hls_,master:t.master(),mediaTypes:t.mediaTypes_,blacklistCurrentPlaylist:t.blacklistCurrentPlaylist.bind(t)});t.triggerPresenceUsage_(t.master(),e);try{t.setupSourceBuffers_()}catch(a){Ze.log.warn("Failed to create SourceBuffers",a);return t.mediaSource.endOfStream("decode")}t.setupFirstPlay();if(!t.mediaTypes_.AUDIO.activePlaylistLoader||t.mediaTypes_.AUDIO.activePlaylistLoader.media()){t.trigger("selectedinitialmedia")}else{t.mediaTypes_.AUDIO.activePlaylistLoader.one("loadedmetadata",function(){t.trigger("selectedinitialmedia")})}});this.masterPlaylistLoader_.on("loadedplaylist",function(){var e=t.masterPlaylistLoader_.media();if(!e){t.excludeUnsupportedVariants_();var a;if(t.enableLowInitialPlaylist){a=t.selectInitialPlaylist()}if(!a){a=t.selectPlaylist()}t.initialMedia_=a;t.masterPlaylistLoader_.media(t.initialMedia_);return}if(t.useCueTags_){t.updateAdCues_(e)}t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.updateDuration();if(!t.tech_.paused()){t.mainSegmentLoader_.load();if(t.audioSegmentLoader_){t.audioSegmentLoader_.load()}}if(!e.endList){var n=function(){var e=t.seekable();if(0!==e.length){t.mediaSource.addSeekableRange_(e.start(0),e.end(0))}};if(t.duration()!==1/0){var r=function e(){if(t.duration()===1/0){n()}else{t.tech_.one("durationchange",e)}};t.tech_.one("durationchange",r)}else{n()}}});this.masterPlaylistLoader_.on("error",function(){t.blacklistCurrentPlaylist(t.masterPlaylistLoader_.error)});this.masterPlaylistLoader_.on("mediachanging",function(){t.mainSegmentLoader_.abort();t.mainSegmentLoader_.pause()});this.masterPlaylistLoader_.on("mediachange",function(){var e=t.masterPlaylistLoader_.media(),a=1e3*(1.5*e.targetDuration);if(Iu(t.masterPlaylistLoader_.master,t.masterPlaylistLoader_.media())){t.requestOptions_.timeout=0}else{t.requestOptions_.timeout=a}t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.mainSegmentLoader_.load();t.tech_.trigger({type:"mediachange",bubbles:!0})});this.masterPlaylistLoader_.on("playlistunchanged",function(){var e=t.masterPlaylistLoader_.media(),a=t.stuckAtPlaylistEnd_(e);if(a){t.blacklistCurrentPlaylist({message:"Playlist no longer updating."});t.tech_.trigger("playliststuck")}});this.masterPlaylistLoader_.on("renditiondisabled",function(){t.tech_.trigger({type:"usage",name:"hls-rendition-disabled"})});this.masterPlaylistLoader_.on("renditionenabled",function(){t.tech_.trigger({type:"usage",name:"hls-rendition-enabled"})})}},{key:"triggerPresenceUsage_",value:function(e,t){var a=e.mediaGroups||{},n=!0,r=Object.keys(a.AUDIO);for(var i in a.AUDIO){for(var s in a.AUDIO[i]){var o=a.AUDIO[i][s];if(!o.uri){n=!1}}}if(n){this.tech_.trigger({type:"usage",name:"hls-demuxed"})}if(Object.keys(a.SUBTITLES).length){this.tech_.trigger({type:"usage",name:"hls-webvtt"})}if($m.Playlist.isAes(t)){this.tech_.trigger({type:"usage",name:"hls-aes"})}if($m.Playlist.isFmp4(t)){this.tech_.trigger({type:"usage",name:"hls-fmp4"})}if(r.length&&1<Object.keys(a.AUDIO[r[0]]).length){this.tech_.trigger({type:"usage",name:"hls-alternate-audio"})}if(this.useCueTags_){this.tech_.trigger({type:"usage",name:"hls-playlist-cue-tags"})}}},{key:"setupSegmentLoaderListeners_",value:function(){var e=this;this.mainSegmentLoader_.on("bandwidthupdate",function(){var t=e.selectPlaylist(),a=e.masterPlaylistLoader_.media(),n=e.tech_.buffered(),r=n.length?n.end(n.length-1)-e.tech_.currentTime():0,i=e.bufferLowWaterLine();if(!a.endList||e.duration()<am.MAX_BUFFER_LOW_WATER_LINE||t.attributes.BANDWIDTH<a.attributes.BANDWIDTH||r>=i){e.masterPlaylistLoader_.media(t)}e.tech_.trigger("bandwidthupdate")});this.mainSegmentLoader_.on("progress",function(){e.trigger("progress")});this.mainSegmentLoader_.on("error",function(){e.blacklistCurrentPlaylist(e.mainSegmentLoader_.error())});this.mainSegmentLoader_.on("syncinfoupdate",function(){e.onSyncInfoUpdate_()});this.mainSegmentLoader_.on("timestampoffset",function(){e.tech_.trigger({type:"usage",name:"hls-timestamp-offset"})});this.audioSegmentLoader_.on("syncinfoupdate",function(){e.onSyncInfoUpdate_()});this.mainSegmentLoader_.on("ended",function(){e.onEndOfStream()});this.mainSegmentLoader_.on("earlyabort",function(){e.blacklistCurrentPlaylist({message:"Aborted early because there isn't enough bandwidth to complete the request without rebuffering."},120)});this.mainSegmentLoader_.on("reseteverything",function(){e.tech_.trigger("hls-reset")});this.mainSegmentLoader_.on("segmenttimemapping",function(t){e.tech_.trigger({type:"hls-segment-time-mapping",mapping:t.mapping})});this.audioSegmentLoader_.on("ended",function(){e.onEndOfStream()})}},{key:"mediaSecondsLoaded_",value:function(){return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded+this.mainSegmentLoader_.mediaSecondsLoaded)}},{key:"load",value:function(){this.mainSegmentLoader_.load();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.load()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.load()}}},{key:"smoothQualityChange_",value:function(){var e=this.selectPlaylist();if(e!==this.masterPlaylistLoader_.media()){this.masterPlaylistLoader_.media(e);this.mainSegmentLoader_.resetLoader()}}},{key:"fastQualityChange_",value:function(){var e=this,t=this.selectPlaylist();if(t===this.masterPlaylistLoader_.media()){return}this.masterPlaylistLoader_.media(t);this.mainSegmentLoader_.resetEverything(function(){if(Ze.browser.IE_VERSION||Ze.browser.IS_EDGE){e.tech_.setCurrentTime(e.tech_.currentTime()+.04)}else{e.tech_.setCurrentTime(e.tech_.currentTime())}})}},{key:"play",value:function(){if(this.setupFirstPlay()){return}if(this.tech_.ended()){this.seekTo_(0)}if(this.hasPlayed_){this.load()}var e=this.tech_.seekable();if(this.tech_.duration()===1/0){if(this.tech_.currentTime()<e.start(0)){return this.seekTo_(e.end(e.length-1))}}}},{key:"setupFirstPlay",value:function(){var e=this,t=this.masterPlaylistLoader_.media();if(!t||this.tech_.paused()||this.hasPlayed_){return!1}if(!t.endList){var a=this.seekable();if(!a.length){return!1}if(Ze.browser.IE_VERSION&&0===this.tech_.readyState()){this.tech_.one("loadedmetadata",function(){e.trigger("firstplay");e.seekTo_(a.end(0));e.hasPlayed_=!0});return!1}this.trigger("firstplay");this.seekTo_(a.end(0))}this.hasPlayed_=!0;this.load();return!0}},{key:"handleSourceOpen_",value:function(){try{this.setupSourceBuffers_()}catch(t){Ze.log.warn("Failed to create Source Buffers",t);return this.mediaSource.endOfStream("decode")}if(this.tech_.autoplay()){var e=this.tech_.play();if("undefined"!=typeof e&&"function"==typeof e.then){e.then(null,function(){})}}this.trigger("sourceopen")}},{key:"onEndOfStream",value:function(){var e=this.mainSegmentLoader_.ended_;if(this.mediaTypes_.AUDIO.activePlaylistLoader){if(!this.mainSegmentLoader_.startingMedia_||this.mainSegmentLoader_.startingMedia_.containsVideo){e=e&&this.audioSegmentLoader_.ended_}else{e=this.audioSegmentLoader_.ended_}}if(!e){return}this.logger_("calling mediaSource.endOfStream()");try{this.mediaSource.endOfStream()}catch(t){Ze.log.warn("Failed to call media source endOfStream",t)}}},{key:"stuckAtPlaylistEnd_",value:function(e){var t=this.seekable();if(!t.length){return!1}var a=this.syncController_.getExpiredTime(e,this.mediaSource.duration);if(null===a){return!1}var n=$m.Playlist.playlistEnd(e,a),r=this.tech_.currentTime(),i=this.tech_.buffered();if(!i.length){return n-r<=Ju}var s=i.end(i.length-1);return s-r<=Ju&&n-s<=Ju}},{key:"blacklistCurrentPlaylist",value:function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:{},t=arguments[1],a=void 0,n=void 0;a=e.playlist||this.masterPlaylistLoader_.media();t=t||e.blacklistDuration||this.blacklistDuration;if(!a){this.error=e;try{return this.mediaSource.endOfStream("network")}catch(t){return this.trigger("error")}}var r=1===this.masterPlaylistLoader_.master.playlists.filter(Su).length,i=this.masterPlaylistLoader_.master.playlists;if(1===i.length){Ze.log.warn("Problem encountered with the current HLS playlist. Trying again since it is the only playlist.");this.tech_.trigger("retryplaylist");return this.masterPlaylistLoader_.load(r)}if(r){Ze.log.warn("Removing all playlists from the blacklist because the last rendition is about to be blacklisted.");i.forEach(function(e){if(e.excludeUntil!==1/0){delete e.excludeUntil}});this.tech_.trigger("retryplaylist")}a.excludeUntil=Date.now()+1e3*t;this.tech_.trigger("blacklistplaylist");this.tech_.trigger({type:"usage",name:"hls-rendition-blacklisted"});n=this.selectPlaylist();Ze.log.warn("Problem encountered with the current HLS playlist."+(e.message?" "+e.message:"")+" Switching to another playlist.");return this.masterPlaylistLoader_.media(n,r)}},{key:"pauseLoading",value:function(){this.mainSegmentLoader_.pause();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.pause()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.pause()}}},{key:"setCurrentTime",value:function(e){var t=ec(this.tech_.buffered(),e);if(!(this.masterPlaylistLoader_&&this.masterPlaylistLoader_.media())){return 0}if(!this.masterPlaylistLoader_.media().segments){return 0}if(t&&t.length){return e}this.mainSegmentLoader_.resetEverything();this.mainSegmentLoader_.abort();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.resetEverything();this.audioSegmentLoader_.abort()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.resetEverything();this.subtitleSegmentLoader_.abort()}this.load()}},{key:"duration",value:function(){if(!this.masterPlaylistLoader_){return 0}if(this.mediaSource){return this.mediaSource.duration}return $m.Playlist.duration(this.masterPlaylistLoader_.media())}},{key:"seekable",value:function(){return this.seekable_}},{key:"onSyncInfoUpdate_",value:function(){var e;if(!this.masterPlaylistLoader_){return}var t=this.masterPlaylistLoader_.media();if(!t){return}var a=this.syncController_.getExpiredTime(t,this.mediaSource.duration);if(null===a){return}var n=this.masterPlaylistLoader_.master.suggestedPresentationDelay,r=$m.Playlist.seekable(t,a,n);if(0===r.length){return}if(this.mediaTypes_.AUDIO.activePlaylistLoader){t=this.mediaTypes_.AUDIO.activePlaylistLoader.media();a=this.syncController_.getExpiredTime(t,this.mediaSource.duration);if(null===a){return}e=$m.Playlist.seekable(t,a,n);if(0===e.length){return}}var i=void 0,s=void 0;if(this.seekable_&&this.seekable_.length){i=this.seekable_.end(0);s=this.seekable_.start(0)}if(!e){this.seekable_=r}else if(e.start(0)>r.end(0)||r.start(0)>e.end(0)){this.seekable_=r}else{this.seekable_=Ze.createTimeRanges([[e.start(0)>r.start(0)?e.start(0):r.start(0),e.end(0)<r.end(0)?e.end(0):r.end(0)]])}if(this.seekable_&&this.seekable_.length){if(this.seekable_.end(0)===i&&this.seekable_.start(0)===s){return}}this.logger_("seekable updated ["+nc(this.seekable_)+"]");this.tech_.trigger("seekablechanged")}},{key:"updateDuration",value:function(){var e=this,t=this.mediaSource.duration,a=$m.Playlist.duration(this.masterPlaylistLoader_.media()),n=this.tech_.buffered(),r=function t(){e.logger_("Setting duration from "+e.mediaSource.duration+" => "+a);try{e.mediaSource.duration=a}catch(t){Ze.log.warn("Failed to set media source duration",t)}e.tech_.trigger("durationchange");e.mediaSource.removeEventListener("sourceopen",t)};if(0<n.length){a=Math.max(a,n.end(n.length-1))}if(t!==a){if("open"!==this.mediaSource.readyState){this.mediaSource.addEventListener("sourceopen",r)}else{r()}}}},{key:"dispose",value:function(){var e=this;this.trigger("dispose");this.decrypter_.terminate();this.masterPlaylistLoader_.dispose();this.mainSegmentLoader_.dispose();["AUDIO","SUBTITLES"].forEach(function(t){var a=e.mediaTypes_[t].groups;for(var n in a){a[n].forEach(function(e){if(e.playlistLoader){e.playlistLoader.dispose()}})}});this.audioSegmentLoader_.dispose();this.subtitleSegmentLoader_.dispose();this.off();if(this.mediaSource.dispose){this.mediaSource.dispose()}}},{key:"master",value:function(){return this.masterPlaylistLoader_.master}},{key:"media",value:function(){return this.masterPlaylistLoader_.media()||this.initialMedia_}},{key:"setupSourceBuffers_",value:function(){var e=this.masterPlaylistLoader_.media(),t=void 0;if(!e||"open"!==this.mediaSource.readyState){return}t=Lc(this.masterPlaylistLoader_.master,e);if(1>t.length){this.error="No compatible SourceBuffer configuration for the variant stream:"+e.resolvedUri;return this.mediaSource.endOfStream("decode")}this.configureLoaderMimeTypes_(t);this.excludeIncompatibleVariants_(e)}},{key:"configureLoaderMimeTypes_",value:function(e){var t=1<e.length&&-1===e[0].indexOf(",")&&e[0]!==e[1]?new Ze.EventTarget:null;this.mainSegmentLoader_.mimeType(e[0],t);if(e[1]){this.audioSegmentLoader_.mimeType(e[1],t)}}},{key:"excludeUnsupportedVariants_",value:function(){this.master().playlists.forEach(function(t){if(t.attributes.CODECS&&e.MediaSource&&e.MediaSource.isTypeSupported&&!e.MediaSource.isTypeSupported("video/mp4; codecs=\""+kc(t.attributes.CODECS)+"\"")){t.excludeUntil=1/0}})}},{key:"excludeIncompatibleVariants_",value:function(e){var t=2,a=null,n=void 0;if(e.attributes.CODECS){n=Sc(e.attributes.CODECS);a=n.videoCodec;t=n.codecCount}this.master().playlists.forEach(function(e){var n={codecCount:2,videoCodec:null};if(e.attributes.CODECS){n=Sc(e.attributes.CODECS)}if(n.codecCount!==t){e.excludeUntil=1/0}if(n.videoCodec!==a){e.excludeUntil=1/0}})}},{key:"updateAdCues_",value:function(e){var t=0,a=this.seekable();if(a.length){t=a.start(0)}Om(e,this.cueTagsTrack_,t)}},{key:"goalBufferLength",value:function(){var e=this.tech_.currentTime(),t=am.GOAL_BUFFER_LENGTH,a=am.GOAL_BUFFER_LENGTH_RATE,n=Math.max(t,am.MAX_GOAL_BUFFER_LENGTH);return Math.min(t+e*a,n)}},{key:"bufferLowWaterLine",value:function(){var e=this.tech_.currentTime(),t=am.BUFFER_LOW_WATER_LINE,a=am.BUFFER_LOW_WATER_LINE_RATE,n=Math.max(t,am.MAX_BUFFER_LOW_WATER_LINE);return Math.min(t+e*a,n)}}]);return a}(Ze.EventTarget),eg=function(e,t,a){return function(n){var r=e.master.playlists[t],i=vu(r),s=Su(r);if("undefined"==typeof n){return s}if(n){delete r.disabled}else{r.disabled=!0}if(n!==s&&!i){a();if(n){e.trigger("renditionenabled")}else{e.trigger("renditiondisabled")}}return n}},tg=function e(t,a,n){Vp(this,e);var r=t.masterPlaylistController_,i=t.options_.smoothQualityChange,s=i?"smooth":"fast",o=r[s+"QualityChange_"].bind(r);if(a.attributes.RESOLUTION){var l=a.attributes.RESOLUTION;this.width=l.width;this.height=l.height}this.bandwidth=a.attributes.BANDWIDTH;this.id=n;this.enabled=eg(t.playlists,a.id,o)},ag=function(t){var a=t.playlists;t.representations=function(){if(!a||!a.master||!a.master.playlists){return[]}return a.master.playlists.filter(function(e){return!vu(e)}).map(function(a){return new tg(t,a,a.id)})}},ng=["seeking","seeked","pause","playing","error"],rg=function(){function t(a){var n=this;Vp(this,t);this.tech_=a.tech;this.seekable=a.seekable;this.seekTo=a.seekTo;this.allowSeeksWithinUnsafeLiveWindow=a.allowSeeksWithinUnsafeLiveWindow;this.media=a.media;this.consecutiveUpdates=0;this.lastRecordedTime=null;this.timer_=null;this.checkCurrentTimeTimeout_=null;this.logger_=em("PlaybackWatcher");this.logger_("initialize");var r=function(){return n.monitorCurrentTime_()},i=function(){return n.techWaiting_()},s=function(){return n.cancelTimer_()},o=function(){return n.fixesBadSeeks_()};this.tech_.on("seekablechanged",o);this.tech_.on("waiting",i);this.tech_.on(ng,s);this.tech_.on("canplay",r);this.dispose=function(){n.logger_("dispose");n.tech_.off("seekablechanged",o);n.tech_.off("waiting",i);n.tech_.off(ng,s);n.tech_.off("canplay",r);if(n.checkCurrentTimeTimeout_){e.clearTimeout(n.checkCurrentTimeTimeout_)}n.cancelTimer_()}}Wp(t,[{key:"monitorCurrentTime_",value:function(){this.checkCurrentTime_();if(this.checkCurrentTimeTimeout_){e.clearTimeout(this.checkCurrentTimeTimeout_)}this.checkCurrentTimeTimeout_=e.setTimeout(this.monitorCurrentTime_.bind(this),250)}},{key:"checkCurrentTime_",value:function(){if(this.tech_.seeking()&&this.fixesBadSeeks_()){this.consecutiveUpdates=0;this.lastRecordedTime=this.tech_.currentTime();return}if(this.tech_.paused()||this.tech_.seeking()){return}var e=this.tech_.currentTime(),t=this.tech_.buffered();if(this.lastRecordedTime===e&&(!t.length||e+Ju>=t.end(t.length-1))){return this.techWaiting_()}if(5<=this.consecutiveUpdates&&e===this.lastRecordedTime){this.consecutiveUpdates++;this.waiting_()}else if(e===this.lastRecordedTime){this.consecutiveUpdates++}else{this.consecutiveUpdates=0;this.lastRecordedTime=e}}},{key:"cancelTimer_",value:function(){this.consecutiveUpdates=0;if(this.timer_){this.logger_("cancelTimer_");clearTimeout(this.timer_)}this.timer_=null}},{key:"fixesBadSeeks_",value:function(){var e=this.tech_.seeking();if(!e){return!1}var t=this.seekable(),a=this.tech_.currentTime(),n=this.afterSeekableWindow_(t,a,this.media(),this.allowSeeksWithinUnsafeLiveWindow),r=void 0;if(n){var i=t.end(t.length-1);r=i}if(this.beforeSeekableWindow_(t,a)){var s=t.start(0);r=s+Ju}if("undefined"!=typeof r){this.logger_("Trying to seek outside of seekable at time "+a+" with "+("seekable range "+nc(t)+". Seeking to ")+(r+"."));this.seekTo(r);return!0}return!1}},{key:"waiting_",value:function(){if(this.techWaiting_()){return}var e=this.tech_.currentTime(),t=this.tech_.buffered(),a=ec(t,e);if(a.length&&e+3<=a.end(0)){this.cancelTimer_();this.seekTo(e);this.logger_("Stopped at "+e+" while inside a buffered region "+("["+a.start(0)+" -> "+a.end(0)+"]. Attempting to resume playback by seeking to the current time."));this.tech_.trigger({type:"usage",name:"hls-unknown-waiting"})}}},{key:"techWaiting_",value:function(){var e=this.seekable(),t=this.tech_.currentTime();if(this.tech_.seeking()&&this.fixesBadSeeks_()){return!0}if(this.tech_.seeking()||null!==this.timer_){return!0}if(this.beforeSeekableWindow_(e,t)){var a=e.end(e.length-1);this.logger_("Fell out of live window at time "+t+". Seeking to "+("live point (seekable end) "+a));this.cancelTimer_();this.seekTo(a);this.tech_.trigger({type:"usage",name:"hls-live-resync"});return!0}var n=this.tech_.buffered(),r=tc(n,t);if(this.videoUnderflow_(r,n,t)){this.cancelTimer_();this.seekTo(t);this.tech_.trigger({type:"usage",name:"hls-video-underflow"});return!0}if(0<r.length){var i=r.start(0)-t;this.logger_("Stopped at "+t+", setting timer for "+i+", seeking "+("to "+r.start(0)));this.timer_=setTimeout(this.skipTheGap_.bind(this),1e3*i,t);return!0}return!1}},{key:"afterSeekableWindow_",value:function(e,t,a){var n=3<arguments.length&&arguments[3]!==void 0?arguments[3]:!1;if(!e.length){return!1}var r=e.end(e.length-1)+Ju,i=!a.endList;if(i&&n){r=e.end(e.length-1)+3*a.targetDuration}if(t>r){return!0}return!1}},{key:"beforeSeekableWindow_",value:function(e,t){if(e.length&&0<e.start(0)&&t<e.start(0)-Ju){return!0}return!1}},{key:"videoUnderflow_",value:function(e,t,a){if(0===e.length){var n=this.gapFromVideoUnderflow_(t,a);if(n){this.logger_("Encountered a gap in video from "+n.start+" to "+n.end+". "+("Seeking to current time "+a));return!0}}return!1}},{key:"skipTheGap_",value:function(e){var t=this.tech_.buffered(),a=this.tech_.currentTime(),n=tc(t,a);this.cancelTimer_();if(0===n.length||a!==e){return}this.logger_("skipTheGap_:","currentTime:",a,"scheduled currentTime:",e,"nextRange start:",n.start(0));this.seekTo(n.start(0)+Qu);this.tech_.trigger({type:"usage",name:"hls-gap-skip"})}},{key:"gapFromVideoUnderflow_",value:function(e,t){for(var a=ac(e),n=0;n<a.length;n++){var r=a.start(n),s=a.end(n);if(4>t-r&&2<t-r){return{start:r,end:s}}}return null}}]);return t}(),ig={errorInterval:30,getSource:function(e){var t=this.tech({IWillNotUseThisInPlugins:!0}),a=t.currentSource_;return e(a)}},sg=function e(t,a){var n=0,r=0,i=Ze.mergeOptions(ig,a);t.ready(function(){t.trigger({type:"usage",name:"hls-error-reload-initialized"})});var s=function(){if(r){t.currentTime(r)}},o=function(e){if(null===e||e===void 0){return}r=t.duration()!==1/0&&t.currentTime()||0;t.one("loadedmetadata",s);t.src(e);t.trigger({type:"usage",name:"hls-error-reload"});t.play()},l=function(){if(Date.now()-n<1e3*i.errorInterval){t.trigger({type:"usage",name:"hls-error-reload-canceled"});return}if(!i.getSource||"function"!=typeof i.getSource){Ze.log.error("ERROR: reloadSourceOnError - The option getSource must be a function!");return}n=Date.now();return i.getSource.call(t,o)},d=function e(){t.off("loadedmetadata",s);t.off("error",l);t.off("dispose",e)};t.on("error",l);t.on("dispose",d);t.reloadSourceOnError=function(a){d();e(t,a)}},og=function(e){sg(this,e)};Ze.use("*",function(e){return{setSource:function(e,t){t(null,e)},setCurrentTime:function(t){if(e.vhs&&e.currentSource().src===e.vhs.source_.src){e.vhs.setCurrentTime(t)}return t},play:function(){if(e.vhs&&e.currentSource().src===e.vhs.source_.src){e.vhs.setCurrentTime(e.tech_.currentTime())}}}});var lg={PlaylistLoader:su,Playlist:xu,Decrypter:Fp,AsyncStream:Mp,decrypt:jp,utils:Hu,STANDARD_PLAYLIST_SELECTOR:function(){return Tm(this.playlists.master,this.systemBandwidth,parseInt(ym(this.tech_.el(),"width"),10),parseInt(ym(this.tech_.el(),"height"),10),this.limitRenditionByPlayerDimensions)},INITIAL_PLAYLIST_SELECTOR:function(){var e=this.playlists.master.playlists.filter(xu.isEnabled);hm(e,function(e,t){return _m(e,t)});var t=e.filter(function(e){return Sc(e.attributes.CODECS).videoCodec});return t[0]||null},comparePlaylistBandwidth:_m,comparePlaylistResolution:fm,xhr:Du()};["GOAL_BUFFER_LENGTH","MAX_GOAL_BUFFER_LENGTH","GOAL_BUFFER_LENGTH_RATE","BUFFER_LOW_WATER_LINE","MAX_BUFFER_LOW_WATER_LINE","BUFFER_LOW_WATER_LINE_RATE","BANDWIDTH_VARIANCE"].forEach(function(e){Object.defineProperty(lg,e,{get:function(){Ze.log.warn("using Hls."+e+" is UNSAFE be sure you know what you are doing");return am[e]},set:function(t){Ze.log.warn("using Hls."+e+" is UNSAFE be sure you know what you are doing");if("number"!=typeof t||0>t){Ze.log.warn("value of Hls."+e+" must be greater than or equal to 0");return}am[e]=t}})});var dg=function(e){if(/^(audio|video|application)\/(x-|vnd\.apple\.)?mpegurl/i.test(e)){return"hls"}if(/^application\/dash\+xml/i.test(e)){return"dash"}return null},pg=function(e,t){for(var a=t.media(),n=-1,r=0;r<e.length;r++){if(e[r].id===a.id){n=r;break}}e.selectedIndex_=n;e.trigger({selectedIndex:n,type:"change"})},ug=function(e,t){t.representations().forEach(function(t){e.addQualityLevel(t)});pg(e,t.playlists)};lg.canPlaySource=function(){return Ze.log.warn("HLS is no longer a tech. Please remove it from your player's techOrder.")};var cg=function(e,t,a){if(!e){return e}var n=void 0,r=void 0;if(a.mimeType_){n=t.mimeType_;r=a.mimeType_}else{var i=Pc(t.mimeType_),s=i.parameters.codecs.split(","),o=void 0,l=void 0;s.forEach(function(e){e=e.trim();if(Dc(e)){o=e}else if(wc(e)){l=e}});n=i.type+"; codecs=\""+l+"\"";r=i.type.replace("video","audio")+"; codecs=\""+o+"\""}var d={},p=t.playlist_;for(var u in e){d[u]={audioContentType:r,videoContentType:n};if(p.contentProtection&&p.contentProtection[u]&&p.contentProtection[u].pssh){d[u].pssh=p.contentProtection[u].pssh}if("string"==typeof e[u]){d[u].url=e[u]}}return Ze.mergeOptions(e,d)},mg=function(e){var t=e.masterPlaylistController_.mainSegmentLoader_,a=e.masterPlaylistController_.audioSegmentLoader_,n=Ze.players[e.tech_.options_.playerId];if(n.eme){var r=cg(e.source_.keySystems,t,a);if(r){n.currentSource().keySystems=r;if(!(11===Ze.browser.IE_VERSION)&&n.eme.initializeMediaKeys){n.eme.initializeMediaKeys()}}}},gg=function(){if(!window.localStorage){return null}var e=window.localStorage.getItem("videojs-vhs");if(!e){return null}try{return JSON.parse(e)}catch(t){return null}},yg=function(e){if(!window.localStorage){return!1}var t=gg();t=t?Ze.mergeOptions(t,e):e;try{window.localStorage.setItem("videojs-vhs",JSON.stringify(t))}catch(t){return!1}return t};lg.supportsNativeHls=function(){var e=t.createElement("video");if(!Ze.getTech("Html5").isSupported()){return!1}return["application/vnd.apple.mpegurl","audio/mpegurl","audio/x-mpegurl","application/x-mpegurl","video/x-mpegurl","video/mpegurl","application/mpegurl"].some(function(t){return /maybe|probably/i.test(e.canPlayType(t))})}();lg.supportsNativeDash=function(){if(!Ze.getTech("Html5").isSupported()){return!1}return /maybe|probably/i.test(t.createElement("video").canPlayType("application/dash+xml"))}();lg.supportsTypeNatively=function(e){if("hls"===e){return lg.supportsNativeHls}if("dash"===e){return lg.supportsNativeDash}return!1};lg.isSupported=function(){return Ze.log.warn("HLS is no longer a tech. Please remove it from your player's techOrder.")};var hg=Ze.getComponent("Component"),_g=function(e){Gp(a,e);function a(e,n,r){Vp(this,a);var i=Kp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this,n,r.hls));if(n.options_&&n.options_.playerId){var s=Ze(n.options_.playerId);if(!s.hasOwnProperty("hls")){Object.defineProperty(s,"hls",{get:function(){Ze.log.warn("player.hls is deprecated. Use player.tech().hls instead.");n.trigger({type:"usage",name:"hls-player-access"});return i},configurable:!0})}s.vhs=i;s.dash=i;i.player_=s}i.tech_=n;i.source_=e;i.stats={};i.setOptions_();if(i.options_.overrideNative&&n.overrideNativeAudioTracks&&n.overrideNativeVideoTracks){n.overrideNativeAudioTracks(!0);n.overrideNativeVideoTracks(!0)}else if(i.options_.overrideNative&&(n.featuresNativeVideoTracks||n.featuresNativeAudioTracks)){throw new Error("Overriding native HLS requires emulated tracks. See https://git.io/vMpjB")}i.on(t,["fullscreenchange","webkitfullscreenchange","mozfullscreenchange","MSFullscreenChange"],function(){var e=t.fullscreenElement||t.webkitFullscreenElement||t.mozFullScreenElement||t.msFullscreenElement;if(e&&e.contains(i.tech_.el())){i.masterPlaylistController_.smoothQualityChange_()}});i.on(i.tech_,"seeking",function(){if(0===this.tech_.currentTime()&&this.tech_.player_.loop()){this.setCurrentTime(0)}});i.on(i.tech_,"error",function(){if(this.masterPlaylistController_){this.masterPlaylistController_.pauseLoading()}});i.on(i.tech_,"play",i.play);return i}Wp(a,[{key:"setOptions_",value:function(){var e=this;this.options_.withCredentials=this.options_.withCredentials||!1;this.options_.handleManifestRedirects=this.options_.handleManifestRedirects||!1;this.options_.limitRenditionByPlayerDimensions=!1===this.options_.limitRenditionByPlayerDimensions?!1:!0;this.options_.smoothQualityChange=this.options_.smoothQualityChange||!1;this.options_.useBandwidthFromLocalStorage="undefined"!=typeof this.source_.useBandwidthFromLocalStorage?this.source_.useBandwidthFromLocalStorage:this.options_.useBandwidthFromLocalStorage||!1;this.options_.customTagParsers=this.options_.customTagParsers||[];this.options_.customTagMappers=this.options_.customTagMappers||[];this.options_.cacheEncryptionKeys=this.options_.cacheEncryptionKeys||!1;if("number"!=typeof this.options_.blacklistDuration){this.options_.blacklistDuration=300}if("number"!=typeof this.options_.bandwidth){if(this.options_.useBandwidthFromLocalStorage){var t=gg();if(t&&t.bandwidth){this.options_.bandwidth=t.bandwidth;this.tech_.trigger({type:"usage",name:"hls-bandwidth-from-local-storage"})}if(t&&t.throughput){this.options_.throughput=t.throughput;this.tech_.trigger({type:"usage",name:"hls-throughput-from-local-storage"})}}}if("number"!=typeof this.options_.bandwidth){this.options_.bandwidth=am.INITIAL_BANDWIDTH}this.options_.enableLowInitialPlaylist=this.options_.enableLowInitialPlaylist&&this.options_.bandwidth===am.INITIAL_BANDWIDTH;["withCredentials","limitRenditionByPlayerDimensions","bandwidth","smoothQualityChange","customTagParsers","customTagMappers","handleManifestRedirects","cacheEncryptionKeys"].forEach(function(t){if("undefined"!=typeof e.source_[t]){e.options_[t]=e.source_[t]}});this.limitRenditionByPlayerDimensions=this.options_.limitRenditionByPlayerDimensions}},{key:"src",value:function(e,t){var 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if(!0===e.nativeCaptions||!0===e.nativeTextTracks){n.featuresNativeTextTracks=!0}if(!n.featuresNativeTextTracks){n.emulateTextTracks()}n.preloadTextTracks=!1!==e.preloadTextTracks;n.autoRemoteTextTracks_=new ka.text.ListClass;n.initTrackListeners();if(!e.nativeControlsForTouch){n.emitTapEvents()}if(n.constructor){n.name_=n.constructor.name||"Unknown Tech"}return n}var r=n.prototype;r.triggerSourceset=function(e){var t=this;if(!this.isReady_){this.one("ready",function(){return t.setTimeout(function(){return t.triggerSourceset(e)},1)})}this.trigger({src:e,type:"sourceset"})};r.manualProgressOn=function(){this.on("durationchange",this.onDurationChange);this.manualProgress=!0;this.one("ready",this.trackProgress)};r.manualProgressOff=function(){this.manualProgress=!1;this.stopTrackingProgress();this.off("durationchange",this.onDurationChange)};r.trackProgress=function(){this.stopTrackingProgress();this.progressInterval=this.setInterval(ve(this,function(){var 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t=this;e=[].concat(e);e.forEach(function(e){var a=t[e+"Tracks"]()||[],n=a.length;while(n--){var r=a[n];if("text"===e){t.removeRemoteTextTrack(r)}a.removeTrack(r)}})};r.cleanupAutoTextTracks=function(){var e=this.autoRemoteTextTracks_||[],t=e.length;while(t--){var a=e[t];this.removeRemoteTextTrack(a)}};r.reset=function(){};r.error=function(e){if(e!==void 0){this.error_=new Et(e);this.trigger("error")}return this.error_};r.played=function(){if(this.hasStarted_){return _t(0,0)}return _t()};r.setCurrentTime=function(){if(this.manualTimeUpdates){this.trigger({type:"timeupdate",target:this,manuallyTriggered:!0})}};r.initTrackListeners=function(){var e=this;va.names.forEach(function(t){var a=va[t],n=function(){e.trigger(t+"trackchange")},r=e[a.getterName]();r.addEventListener("removetrack",n);r.addEventListener("addtrack",n);e.on("dispose",function(){r.removeEventListener("removetrack",n);r.removeEventListener("addtrack",n)})})};r.addWebVttScript_=function(){var a=this;if(e.WebVTT){return}if(t.body.contains(this.el())){if(!this.options_["vtt.js"]&&h(en)&&0<Object.keys(en).length){this.trigger("vttjsloaded");return}var n=t.createElement("script");n.src=this.options_["vtt.js"]||"https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js";n.onload=function(){a.trigger("vttjsloaded")};n.onerror=function(){a.trigger("vttjserror")};this.on("dispose",function(){n.onload=null;n.onerror=null});e.WebVTT=!0;this.el().parentNode.appendChild(n)}else{this.ready(this.addWebVttScript_)}};r.emulateTextTracks=function(){var e=this,t=this.textTracks(),a=this.remoteTextTracks(),n=function(a){return t.addTrack(a.track)},r=function(a){return t.removeTrack(a.track)};a.on("addtrack",n);a.on("removetrack",r);this.addWebVttScript_();var s=function(){return e.trigger("texttrackchange")},o=function(){s();for(var 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n||e===n};n.registerTech=function(e,t){if(!n.techs_){n.techs_={}}if(!n.isTech(t)){throw new Error("Tech "+e+" must be a Tech")}if(!n.canPlayType){throw new Error("Techs must have a static canPlayType method on them")}if(!n.canPlaySource){throw new Error("Techs must have a static canPlaySource method on them")}e=je(e);n.techs_[e]=t;n.techs_[Be(e)]=t;if("Tech"!==e){n.defaultTechOrder_.push(e)}return t};n.getTech=function(t){if(!t){return}if(n.techs_&&n.techs_[t]){return n.techs_[t]}t=je(t);if(e&&e.videojs&&e.videojs[t]){s.warn("The "+t+" tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)");return e.videojs[t]}};return n}(qe);ka.names.forEach(function(e){var t=ka[e];sn.prototype[t.getterName]=function(){this[t.privateName]=this[t.privateName]||new t.ListClass;return this[t.privateName]}});sn.prototype.featuresVolumeControl=!0;sn.prototype.featuresMuteControl=!0;sn.prototype.featuresFullscreenResize=!1;sn.prototype.featuresPlaybackRate=!1;sn.prototype.featuresProgressEvents=!1;sn.prototype.featuresSourceset=!1;sn.prototype.featuresTimeupdateEvents=!1;sn.prototype.featuresNativeTextTracks=!1;sn.withSourceHandlers=function(e){e.registerSourceHandler=function(t,a){var n=e.sourceHandlers;if(!n){n=e.sourceHandlers=[]}if(a===void 0){a=n.length}n.splice(a,0,t)};e.canPlayType=function(t){for(var a=e.sourceHandlers||[],n,r=0;r<a.length;r++){n=a[r].canPlayType(t);if(n){return n}}return""};e.selectSourceHandler=function(t,a){for(var n=e.sourceHandlers||[],r,s=0;s<n.length;s++){r=n[s].canHandleSource(t,a);if(r){return n[s]}}return null};e.canPlaySource=function(t,a){var n=e.selectSourceHandler(t,a);if(n){return n.canHandleSource(t,a)}return""};["seekable","seeking","duration"].forEach(function(e){var t=this[e];if("function"!=typeof t){return}this[e]=function(){if(this.sourceHandler_&&this.sourceHandler_[e]){return this.sourceHandler_[e].apply(this.sourceHandler_,arguments)}return t.apply(this,arguments)}},e.prototype);e.prototype.setSource=function(t){var a=e.selectSourceHandler(t,this.options_);if(!a){if(e.nativeSourceHandler){a=e.nativeSourceHandler}else{s.error("No source handler found for the current source.")}}this.disposeSourceHandler();this.off("dispose",this.disposeSourceHandler);if(a!==e.nativeSourceHandler){this.currentSource_=t}this.sourceHandler_=a.handleSource(t,this,this.options_);this.one("dispose",this.disposeSourceHandler)};e.prototype.disposeSourceHandler=function(){if(this.currentSource_){this.clearTracks(["audio","video"]);this.currentSource_=null}this.cleanupAutoTextTracks();if(this.sourceHandler_){if(this.sourceHandler_.dispose){this.sourceHandler_.dispose()}this.sourceHandler_=null}}};qe.registerComponent("Tech",sn);sn.registerTech("Tech",sn);sn.defaultTechOrder_=[];var on={},ln={},dn={};function pn(e,t,a){e.setTimeout(function(){return Sn(t,on[t.type],a,e)},1)}function un(e,t){e.forEach(function(e){return e.setTech&&e.setTech(t)})}function cn(e,t,a){return e.reduceRight(fn(a),t[a]())}function mn(e,t,a,n){return t[a](e.reduce(fn(a),n))}function gn(e,t,a,n){if(void 0===n){n=null}var r="call"+je(a),i=e.reduce(fn(r),n),s=i===dn,o=s?null:t[a](i);Tn(e,a,o,s);return o}var yn={buffered:1,currentTime:1,duration:1,muted:1,played:1,paused:1,seekable:1,volume:1},hn={setCurrentTime:1,setMuted:1,setVolume:1},_n={play:1,pause:1};function fn(e){return function(t,a){if(t===dn){return dn}if(a[e]){return a[e](t)}return t}}function Tn(e,t,a,n){for(var r=e.length-1,s;0<=r;r--){s=e[r];if(s[t]){s[t](n,a)}}}function bn(e){ln[e.id()]=null}function vn(e,t){var a=ln[e.id()],n=null;if(a===void 0||null===a){n=t(e);ln[e.id()]=[[t,n]];return n}for(var r=0;r<a.length;r++){var s=a[r],o=s[0],l=s[1];if(o!==t){continue}n=l}if(null===n){n=t(e);a.push([t,n])}return n}function Sn(e,t,a,n,r,i){if(void 0===e){e={}}if(void 0===t){t=[]}if(void 0===r){r=[]}if(void 0===i){i=!1}var s=t,o=s[0],l=s.slice(1);if("string"==typeof o){Sn(e,on[o],a,n,r,i)}else if(o){var d=vn(n,o);if(!d.setSource){r.push(d);return Sn(e,l,a,n,r,i)}d.setSource(g({},e),function(t,s){if(t){return Sn(e,l,a,n,r,i)}r.push(d);Sn(s,e.type===s.type?l:on[s.type],a,n,r,i)})}else if(l.length){Sn(e,l,a,n,r,i)}else if(i){a(e,r)}else{Sn(e,on["*"],a,n,r,!0)}}var kn={opus:"video/ogg",ogv:"video/ogg",mp4:"video/mp4",mov:"video/mp4",m4v:"video/mp4",mkv:"video/x-matroska",m4a:"audio/mp4",mp3:"audio/mpeg",aac:"audio/aac",oga:"audio/ogg",m3u8:"application/x-mpegURL",jpg:"image/jpeg",jpeg:"image/jpeg",gif:"image/gif",png:"image/png",svg:"image/svg+xml",webp:"image/webp"},Cn=function(e){if(void 0===e){e=""}var t=ta(e),a=kn[t.toLowerCase()];return a||""},En=function(e,t){if(!t){return""}if(e.cache_.source.src===t&&e.cache_.source.type){return e.cache_.source.type}var a=e.cache_.sources.filter(function(e){return e.src===t});if(a.length){return a[0].type}for(var n=e.$$("source"),r=0,o;r<n.length;r++){o=n[r];if(o.type&&o.src&&o.src===t){return o.type}}return Cn(t)},In=function t(e){if(Array.isArray(e)){var a=[];e.forEach(function(e){e=t(e);if(Array.isArray(e)){a=a.concat(e)}else if(y(e)){a.push(e)}});e=a}else if("string"==typeof e&&e.trim()){e=[xn({src:e})]}else if(y(e)&&"string"==typeof e.src&&e.src&&e.src.trim()){e=[xn(e)]}else{e=[]}return e};function xn(e){if(!e.type){var t=Cn(e.src);if(t){e.type=t}}return e}var Ln=function(e){Ge(t,e);function t(t,a,n){var r,s=He({createEl:!1},a);r=e.call(this,t,s,n)||this;if(!a.playerOptions.sources||0===a.playerOptions.sources.length){for(var o=0,l=a.playerOptions.techOrder;o<l.length;o++){var d=je(l[o]),p=sn.getTech(d);if(!d){p=qe.getComponent(d)}if(p&&p.isSupported()){t.loadTech_(d);break}}}else{t.src(a.playerOptions.sources)}return r}return t}(qe);qe.registerComponent("MediaLoader",Ln);var Pn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.emitTapEvents();n.enable();return n}var a=t.prototype;a.createEl=function(t,a,n){if(void 0===t){t="div"}if(void 0===a){a={}}if(void 0===n){n={}}a=g({innerHTML:"<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>",className:this.buildCSSClass(),tabIndex:0},a);if("button"===t){s.error("Creating a ClickableComponent with an HTML element of "+t+" is not supported; use a Button instead.")}n=g({role:"button"},n);this.tabIndex_=a.tabIndex;var r=e.prototype.createEl.call(this,t,a,n);this.createControlTextEl(r);return r};a.dispose=function(){this.controlTextEl_=null;e.prototype.dispose.call(this)};a.createControlTextEl=function(e){this.controlTextEl_=E("span",{className:"vjs-control-text"},{"aria-live":"polite"});if(e){e.appendChild(this.controlTextEl_)}this.controlText(this.controlText_,e);return this.controlTextEl_};a.controlText=function(e,t){if(void 0===t){t=this.el()}if(e===void 0){return this.controlText_||"Need Text"}var a=this.localize(e);this.controlText_=e;I(this.controlTextEl_,a);if(!this.nonIconControl){t.setAttribute("title",a)}};a.buildCSSClass=function(){return"vjs-control vjs-button "+e.prototype.buildCSSClass.call(this)};a.enable=function(){if(!this.enabled_){this.enabled_=!0;this.removeClass("vjs-disabled");this.el_.setAttribute("aria-disabled","false");if("undefined"!=typeof this.tabIndex_){this.el_.setAttribute("tabIndex",this.tabIndex_)}this.on(["tap","click"],this.handleClick);this.on("keydown",this.handleKeyDown)}};a.disable=function(){this.enabled_=!1;this.addClass("vjs-disabled");this.el_.setAttribute("aria-disabled","true");if("undefined"!=typeof this.tabIndex_){this.el_.removeAttribute("tabIndex")}this.off("mouseover",this.handleMouseOver);this.off("mouseout",this.handleMouseOut);this.off(["tap","click"],this.handleClick);this.off("keydown",this.handleKeyDown)};a.handleClick=function(){if(this.options_.clickHandler){this.options_.clickHandler.call(this,arguments)}};a.handleKeyDown=function(t){if(wt.isEventKey(t,"Space")||wt.isEventKey(t,"Enter")){t.preventDefault();t.stopPropagation();this.trigger("click")}else{e.prototype.handleKeyDown.call(this,t)}};return t}(qe);qe.registerComponent("ClickableComponent",Pn);var Dn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update();t.on("posterchange",ve(Ve(n),n.update));return n}var a=t.prototype;a.dispose=function(){this.player().off("posterchange",this.update);e.prototype.dispose.call(this)};a.createEl=function(){var e=E("div",{className:"vjs-poster",tabIndex:-1});return e};a.update=function(){var e=this.player().poster();this.setSrc(e);if(e){this.show()}else{this.hide()}};a.setSrc=function(e){var t="";if(e){t="url(\""+e+"\")"}this.el_.style.backgroundImage=t};a.handleClick=function(){if(!this.player_.controls()){return}var e=this.player_.usingPlugin("eme")&&this.player_.eme.sessions&&0<this.player_.eme.sessions.length;if(this.player_.tech(!0)&&!((it||at)&&e)){this.player_.tech(!0).focus()}if(this.player_.paused()){Lt(this.player_.play())}else{this.player_.pause()}};return t}(Pn);qe.registerComponent("PosterImage",Dn);var wn="#ccc",An={monospace:"monospace",sansSerif:"sans-serif",serif:"serif",monospaceSansSerif:"\"Andale Mono\", \"Lucida Console\", monospace",monospaceSerif:"\"Courier New\", monospace",proportionalSansSerif:"sans-serif",proportionalSerif:"serif",casual:"\"Comic Sans MS\", Impact, fantasy",script:"\"Monotype Corsiva\", cursive",smallcaps:"\"Andale Mono\", \"Lucida Console\", monospace, sans-serif"};function On(e,t){var a;if(4===e.length){a=e[1]+e[1]+e[2]+e[2]+e[3]+e[3]}else if(7===e.length){a=e.slice(1)}else{throw new Error("Invalid color code provided, "+e+"; must be formatted as e.g. #f0e or #f604e2.")}return"rgba("+parseInt(a.slice(0,2),16)+","+parseInt(a.slice(2,4),16)+","+parseInt(a.slice(4,6),16)+","+t+")"}function Rn(e,t,a){try{e.style[t]=a}catch(t){}}var Nn=function(t){Ge(a,t);function a(a,n,r){var i=t.call(this,a,n,r)||this;var s=ve(Ve(i),i.updateDisplay);a.on("loadstart",ve(Ve(i),i.toggleDisplay));a.on("texttrackchange",s);a.on("loadedmetadata",ve(Ve(i),i.preselectTrack));a.ready(ve(Ve(i),function(){if(a.tech_&&a.tech_.featuresNativeTextTracks){this.hide();return}a.on("fullscreenchange",s);a.on("playerresize",s);e.addEventListener("orientationchange",s);a.on("dispose",function(){return e.removeEventListener("orientationchange",s)});for(var t=this.options_.playerOptions.tracks||[],n=0;n<t.length;n++){this.player_.addRemoteTextTrack(t[n],!0)}this.preselectTrack()}));return i}var n=a.prototype;n.preselectTrack=function(){for(var e={captions:1,subtitles:1},t=this.player_.textTracks(),a=this.player_.cache_.selectedLanguage,n,r,s,o=0,l;o<t.length;o++){l=t[o];if(a&&a.enabled&&a.language&&a.language===l.language&&l.kind in e){if(l.kind===a.kind){s=l}else if(!s){s=l}}else if(a&&!a.enabled){s=null;n=null;r=null}else if(l["default"]){if("descriptions"===l.kind&&!n){n=l}else if(l.kind in e&&!r){r=l}}}if(s){s.mode="showing"}else if(r){r.mode="showing"}else if(n){n.mode="showing"}};n.toggleDisplay=function(){if(this.player_.tech_&&this.player_.tech_.featuresNativeTextTracks){this.hide()}else{this.show()}};n.createEl=function(){return t.prototype.createEl.call(this,"div",{className:"vjs-text-track-display"},{"aria-live":"off","aria-atomic":"true"})};n.clearDisplay=function(){if("function"==typeof e.WebVTT){e.WebVTT.processCues(e,[],this.el_)}};n.updateDisplay=function(){var e=this.player_.textTracks(),t=this.options_.allowMultipleShowingTracks;this.clearDisplay();if(t){for(var a=[],n=0,r;n<e.length;++n){r=e[n];if("showing"!==r.mode){continue}a.push(r)}this.updateForTrack(a);return}var s=null,o=null,l=e.length;while(l--){var d=e[l];if("showing"===d.mode){if("descriptions"===d.kind){s=d}else{o=d}}}if(o){if("off"!==this.getAttribute("aria-live")){this.setAttribute("aria-live","off")}this.updateForTrack(o)}else if(s){if("assertive"!==this.getAttribute("aria-live")){this.setAttribute("aria-live","assertive")}this.updateForTrack(s)}};n.updateDisplayState=function(t){var a=this.player_.textTrackSettings.getValues(),n=t.activeCues,r=n.length;while(r--){var s=n[r];if(!s){continue}var o=s.displayState;if(a.color){o.firstChild.style.color=a.color}if(a.textOpacity){Rn(o.firstChild,"color",On(a.color||"#fff",a.textOpacity))}if(a.backgroundColor){o.firstChild.style.backgroundColor=a.backgroundColor}if(a.backgroundOpacity){Rn(o.firstChild,"backgroundColor",On(a.backgroundColor||"#000",a.backgroundOpacity))}if(a.windowColor){if(a.windowOpacity){Rn(o,"backgroundColor",On(a.windowColor,a.windowOpacity))}else{o.style.backgroundColor=a.windowColor}}if(a.edgeStyle){if("dropshadow"===a.edgeStyle){o.firstChild.style.textShadow="2px 2px 3px #222, 2px 2px 4px #222, 2px 2px 5px #222"}else if("raised"===a.edgeStyle){o.firstChild.style.textShadow="1px 1px #222, 2px 2px #222, 3px 3px #222"}else if("depressed"===a.edgeStyle){o.firstChild.style.textShadow="1px 1px "+wn+", 0 1px "+wn+", -1px -1px "+"#222"+", 0 -1px "+"#222"}else if("uniform"===a.edgeStyle){o.firstChild.style.textShadow="0 0 4px #222, 0 0 4px #222, 0 0 4px #222, 0 0 4px #222"}}if(a.fontPercent&&1!==a.fontPercent){var l=e.parseFloat(o.style.fontSize);o.style.fontSize=l*a.fontPercent+"px";o.style.height="auto";o.style.top="auto";o.style.bottom="2px"}if(a.fontFamily&&"default"!==a.fontFamily){if("small-caps"===a.fontFamily){o.firstChild.style.fontVariant="small-caps"}else{o.firstChild.style.fontFamily=An[a.fontFamily]}}}};n.updateForTrack=function(t){if(!Array.isArray(t)){t=[t]}if("function"!=typeof e.WebVTT||t.every(function(e){return!e.activeCues})){return}for(var a=[],n=0,r;n<t.length;++n){r=t[n];for(var s=0;s<r.activeCues.length;++s){a.push(r.activeCues[s])}}e.WebVTT.processCues(e,a,this.el_);for(var o=0,l;o<t.length;++o){l=t[o];for(var d=0,p;d<l.activeCues.length;++d){p=l.activeCues[d].displayState;P(p,"vjs-text-track-cue");P(p,"vjs-text-track-cue-"+(l.language?l.language:o))}if(this.player_.textTrackSettings){this.updateDisplayState(l)}}};return a}(qe);qe.registerComponent("TextTrackDisplay",Nn);var Un=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){var t=this.player_.isAudio(),a=this.localize(t?"Audio Player":"Video Player"),n=E("span",{className:"vjs-control-text",innerHTML:this.localize("{1} is loading.",[a])}),r=e.prototype.createEl.call(this,"div",{className:"vjs-loading-spinner",dir:"ltr"});r.appendChild(n);return r};return t}(qe);qe.registerComponent("LoadingSpinner",Un);var Mn=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(e,t,a){if(void 0===t){t={}}if(void 0===a){a={}}e="button";t=g({innerHTML:"<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>",className:this.buildCSSClass()},t);a=g({type:"button"},a);var n=qe.prototype.createEl.call(this,e,t,a);this.createControlTextEl(n);return n};a.addChild=function(e,t){if(void 0===t){t={}}var a=this.constructor.name;s.warn("Adding an actionable (user controllable) child to a Button ("+a+") is not supported; use a ClickableComponent instead.");return qe.prototype.addChild.call(this,e,t)};a.enable=function(){e.prototype.enable.call(this);this.el_.removeAttribute("disabled")};a.disable=function(){e.prototype.disable.call(this);this.el_.setAttribute("disabled","disabled")};a.handleKeyDown=function(t){if(wt.isEventKey(t,"Space")||wt.isEventKey(t,"Enter")){t.stopPropagation();return}e.prototype.handleKeyDown.call(this,t)};return t}(Pn);qe.registerComponent("Button",Mn);var Bn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.mouseused_=!1;n.on("mousedown",n.handleMouseDown);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-big-play-button"};a.handleClick=function(e){var t=this.player_.play();if(this.mouseused_&&e.clientX&&e.clientY){var a=this.player_.usingPlugin("eme")&&this.player_.eme.sessions&&0<this.player_.eme.sessions.length;Lt(t);if(this.player_.tech(!0)&&!((it||at)&&a)){this.player_.tech(!0).focus()}return}var n=this.player_.getChild("controlBar"),r=n&&n.getChild("playToggle");if(!r){this.player_.tech(!0).focus();return}var i=function(){return r.focus()};if(xt(t)){t.then(i,function(){})}else{this.setTimeout(i,1)}};a.handleKeyDown=function(t){this.mouseused_=!1;e.prototype.handleKeyDown.call(this,t)};a.handleMouseDown=function(){this.mouseused_=!0};return t}(Mn);Bn.prototype.controlText_="Play Video";qe.registerComponent("BigPlayButton",Bn);var jn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.controlText(a&&a.controlText||n.localize("Close"));return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-close-button "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){this.trigger({type:"close",bubbles:!1})};a.handleKeyDown=function(t){if(wt.isEventKey(t,"Esc")){t.preventDefault();t.stopPropagation();this.trigger("click")}else{e.prototype.handleKeyDown.call(this,t)}};return t}(Mn);qe.registerComponent("CloseButton",jn);var Fn=function(e){Ge(t,e);function t(t,a){var n;if(void 0===a){a={}}n=e.call(this,t,a)||this;a.replay=a.replay===void 0||a.replay;n.on(t,"play",n.handlePlay);n.on(t,"pause",n.handlePause);if(a.replay){n.on(t,"ended",n.handleEnded)}return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-play-control "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){if(this.player_.paused()){this.player_.play()}else{this.player_.pause()}};a.handleSeeked=function(e){this.removeClass("vjs-ended");if(this.player_.paused()){this.handlePause(e)}else{this.handlePlay(e)}};a.handlePlay=function(){this.removeClass("vjs-ended");this.removeClass("vjs-paused");this.addClass("vjs-playing");this.controlText("Pause")};a.handlePause=function(){this.removeClass("vjs-playing");this.addClass("vjs-paused");this.controlText("Play")};a.handleEnded=function(){this.removeClass("vjs-playing");this.addClass("vjs-ended");this.controlText("Replay");this.one(this.player_,"seeked",this.handleSeeked)};return t}(Mn);Fn.prototype.controlText_="Play";qe.registerComponent("PlayToggle",Fn);var Hn=function(e,t){e=0>e?0:e;var a=Math.floor(e%60),n=Math.floor(e/60%60),r=Math.floor(e/3600),i=Math.floor(t/60%60),o=Math.floor(t/3600);if(isNaN(e)||e===1/0){r=n=a="-"}r=0<r||0<o?r+":":"";n=((r||10<=i)&&10>n?"0"+n:n)+":";a=10>a?"0"+a:a;return r+n+a},qn=Hn;function Vn(e,t){if(void 0===t){t=e}return qn(e,t)}var Wn=function(e){Ge(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.on(t,["timeupdate","ended"],n.updateContent);n.updateTextNode_();return n}var n=a.prototype;n.createEl=function(){var t=this.buildCSSClass(),a=e.prototype.createEl.call(this,"div",{className:t+" vjs-time-control vjs-control",innerHTML:"<span class=\"vjs-control-text\" role=\"presentation\">"+this.localize(this.labelText_)+"\xA0</span>"});this.contentEl_=E("span",{className:t+"-display"},{"aria-live":"off",role:"presentation"});a.appendChild(this.contentEl_);return a};n.dispose=function(){this.contentEl_=null;this.textNode_=null;e.prototype.dispose.call(this)};n.updateTextNode_=function(e){var a=this;if(void 0===e){e=0}e=Vn(e);if(this.formattedTime_===e){return}this.formattedTime_=e;this.requestAnimationFrame(function(){if(!a.contentEl_){return}var e=a.textNode_;a.textNode_=t.createTextNode(a.formattedTime_);if(!a.textNode_){return}if(e){a.contentEl_.replaceChild(a.textNode_,e)}else{a.contentEl_.appendChild(a.textNode_)}})};n.updateContent=function(){};return a}(qe);Wn.prototype.labelText_="Time";Wn.prototype.controlText_="Time";qe.registerComponent("TimeDisplay",Wn);var zn=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-current-time"};a.updateContent=function(){var e;if(this.player_.ended()){e=this.player_.duration()}else{e=this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime()}this.updateTextNode_(e)};return t}(Wn);zn.prototype.labelText_="Current Time";zn.prototype.controlText_="Current Time";qe.registerComponent("CurrentTimeDisplay",zn);var Gn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"durationchange",n.updateContent);n.on(t,"loadstart",n.updateContent);n.on(t,"loadedmetadata",n.updateContent);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-duration"};a.updateContent=function(){var e=this.player_.duration();this.updateTextNode_(e)};return t}(Wn);Gn.prototype.labelText_="Duration";Gn.prototype.controlText_="Duration";qe.registerComponent("DurationDisplay",Gn);var Kn=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-time-control vjs-time-divider",innerHTML:"<div><span>/</span></div>"},{"aria-hidden":!0})};return t}(qe);qe.registerComponent("TimeDivider",Kn);var Yn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"durationchange",n.updateContent);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-remaining-time"};a.createEl=function(){var t=e.prototype.createEl.call(this);t.insertBefore(E("span",{},{"aria-hidden":!0},"-"),this.contentEl_);return t};a.updateContent=function(){if("number"!=typeof this.player_.duration()){return}var e;if(this.player_.ended()){e=0}else if(this.player_.remainingTimeDisplay){e=this.player_.remainingTimeDisplay()}else{e=this.player_.remainingTime()}this.updateTextNode_(e)};return t}(Wn);Yn.prototype.labelText_="Remaining Time";Yn.prototype.controlText_="Remaining Time";qe.registerComponent("RemainingTimeDisplay",Yn);var Xn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateShowing();n.on(n.player(),"durationchange",n.updateShowing);return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this,"div",{className:"vjs-live-control vjs-control"});this.contentEl_=E("div",{className:"vjs-live-display",innerHTML:"<span class=\"vjs-control-text\">"+this.localize("Stream Type")+"\xA0</span>"+this.localize("LIVE")},{"aria-live":"off"});t.appendChild(this.contentEl_);return t};a.dispose=function(){this.contentEl_=null;e.prototype.dispose.call(this)};a.updateShowing=function(){if(this.player().duration()===1/0){this.show()}else{this.hide()}};return t}(qe);qe.registerComponent("LiveDisplay",Xn);var $n=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateLiveEdgeStatus();if(n.player_.liveTracker){n.on(n.player_.liveTracker,"liveedgechange",n.updateLiveEdgeStatus)}return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this,"button",{className:"vjs-seek-to-live-control vjs-control"});this.textEl_=E("span",{className:"vjs-seek-to-live-text",innerHTML:this.localize("LIVE")},{"aria-hidden":"true"});t.appendChild(this.textEl_);return t};a.updateLiveEdgeStatus=function(){if(!this.player_.liveTracker||this.player_.liveTracker.atLiveEdge()){this.setAttribute("aria-disabled",!0);this.addClass("vjs-at-live-edge");this.controlText("Seek to live, currently playing live")}else{this.setAttribute("aria-disabled",!1);this.removeClass("vjs-at-live-edge");this.controlText("Seek to live, currently behind live")}};a.handleClick=function(){this.player_.liveTracker.seekToLiveEdge()};a.dispose=function(){if(this.player_.liveTracker){this.off(this.player_.liveTracker,"liveedgechange",this.updateLiveEdgeStatus)}this.textEl_=null;e.prototype.dispose.call(this)};return t}(Mn);$n.prototype.controlText_="Seek to live, currently playing live";qe.registerComponent("SeekToLive",$n);var Qn=function(e,t,a){e=+e;return Math.min(a,Math.max(t,isNaN(e)?t:e))},Jn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.bar=n.getChild(n.options_.barName);n.vertical(!!n.options_.vertical);n.enable();return n}var a=t.prototype;a.enabled=function(){return this.enabled_};a.enable=function(){if(this.enabled()){return}this.on("mousedown",this.handleMouseDown);this.on("touchstart",this.handleMouseDown);this.on("keydown",this.handleKeyDown);this.on("click",this.handleClick);this.on(this.player_,"controlsvisible",this.update);if(this.playerEvent){this.on(this.player_,this.playerEvent,this.update)}this.removeClass("disabled");this.setAttribute("tabindex",0);this.enabled_=!0};a.disable=function(){if(!this.enabled()){return}var e=this.bar.el_.ownerDocument;this.off("mousedown",this.handleMouseDown);this.off("touchstart",this.handleMouseDown);this.off("keydown",this.handleKeyDown);this.off("click",this.handleClick);this.off(this.player_,"controlsvisible",this.update);this.off(e,"mousemove",this.handleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchmove",this.handleMouseMove);this.off(e,"touchend",this.handleMouseUp);this.removeAttribute("tabindex");this.addClass("disabled");if(this.playerEvent){this.off(this.player_,this.playerEvent,this.update)}this.enabled_=!1};a.createEl=function(t,a,n){if(void 0===a){a={}}if(void 0===n){n={}}a.className=a.className+" vjs-slider";a=g({tabIndex:0},a);n=g({role:"slider","aria-valuenow":0,"aria-valuemin":0,"aria-valuemax":100,tabIndex:0},n);return e.prototype.createEl.call(this,t,a,n)};a.handleMouseDown=function(e){var t=this.bar.el_.ownerDocument;if("mousedown"===e.type){e.preventDefault()}if("touchstart"===e.type&&!nt){e.preventDefault()}M();this.addClass("vjs-sliding");this.trigger("slideractive");this.on(t,"mousemove",this.handleMouseMove);this.on(t,"mouseup",this.handleMouseUp);this.on(t,"touchmove",this.handleMouseMove);this.on(t,"touchend",this.handleMouseUp);this.handleMouseMove(e)};a.handleMouseMove=function(){};a.handleMouseUp=function(){var e=this.bar.el_.ownerDocument;B();this.removeClass("vjs-sliding");this.trigger("sliderinactive");this.off(e,"mousemove",this.handleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchmove",this.handleMouseMove);this.off(e,"touchend",this.handleMouseUp);this.update()};a.update=function(){var e=this;if(!this.el_||!this.bar){return}var t=this.getProgress();if(t===this.progress_){return t}this.progress_=t;this.requestAnimationFrame(function(){var a=e.vertical()?"height":"width";e.bar.el().style[a]=(100*t).toFixed(2)+"%"});return t};a.getProgress=function(){return+Qn(this.getPercent(),0,1).toFixed(4)};a.calculateDistance=function(e){var t=H(this.el_,e);if(this.vertical()){return t.y}return t.x};a.handleKeyDown=function(t){if(wt.isEventKey(t,"Left")||wt.isEventKey(t,"Down")){t.preventDefault();t.stopPropagation();this.stepBack()}else if(wt.isEventKey(t,"Right")||wt.isEventKey(t,"Up")){t.preventDefault();t.stopPropagation();this.stepForward()}else{e.prototype.handleKeyDown.call(this,t)}};a.handleClick=function(e){e.stopPropagation();e.preventDefault()};a.vertical=function(e){if(e===void 0){return this.vertical_||!1}this.vertical_=!!e;if(this.vertical_){this.addClass("vjs-slider-vertical")}else{this.addClass("vjs-slider-horizontal")}};return t}(qe);qe.registerComponent("Slider",Jn);var Zn=function(e,t){return Qn(100*(e/t),0,100).toFixed(2)+"%"},er=function(e){Ge(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.partEls_=[];n.on(t,"progress",n.update);return n}var n=a.prototype;n.createEl=function(){var a=e.prototype.createEl.call(this,"div",{className:"vjs-load-progress"}),n=E("span",{className:"vjs-control-text"}),r=E("span",{textContent:this.localize("Loaded")}),i=t.createTextNode(": ");this.percentageEl_=E("span",{className:"vjs-control-text-loaded-percentage",textContent:"0%"});a.appendChild(n);n.appendChild(r);n.appendChild(i);n.appendChild(this.percentageEl_);return a};n.dispose=function(){this.partEls_=null;this.percentageEl_=null;e.prototype.dispose.call(this)};n.update=function(){var e=this;this.requestAnimationFrame(function(){var t=e.player_.liveTracker,a=e.player_.buffered(),n=t&&t.isLive()?t.seekableEnd():e.player_.duration(),r=e.player_.bufferedEnd(),s=e.partEls_,o=Zn(r,n);if(e.percent_!==o){e.el_.style.width=o;I(e.percentageEl_,o);e.percent_=o}for(var l=0;l<a.length;l++){var d=a.start(l),p=a.end(l),u=s[l];if(!u){u=e.el_.appendChild(E());s[l]=u}if(u.dataset.start===d&&u.dataset.end===p){continue}u.dataset.start=d;u.dataset.end=p;u.style.left=Zn(d,r);u.style.width=Zn(p-d,r)}for(var c=s.length;c>a.length;c--){e.el_.removeChild(s[c-1])}s.length=a.length})};return a}(qe);qe.registerComponent("LoadProgressBar",er);var tr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Se(ve(Ve(n),n.update),be);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-time-tooltip"},{"aria-hidden":"true"})};a.update=function(e,t,a){var n=j(this.el_),r=j(this.player_.el()),i=e.width*t;if(!r||!n){return}var s=e.left-r.left+i,o=e.width-i+(r.right-e.right),l=n.width/2;if(s<l){l+=l-s}else if(o<l){l=o}if(0>l){l=0}else if(l>n.width){l=n.width}this.el_.style.right="-"+l+"px";this.write(a)};a.write=function(e){I(this.el_,e)};a.updateTime=function(e,t,a,n){var r=this;if(this.rafId_){this.cancelAnimationFrame(this.rafId_)}this.rafId_=this.requestAnimationFrame(function(){var i,s=r.player_.duration();if(r.player_.liveTracker&&r.player_.liveTracker.isLive()){var o=r.player_.liveTracker.liveWindow(),l=o-t*o;i=(1>l?"":"-")+Vn(l,o)}else{i=Vn(a,s)}r.update(e,t,i);if(n){n()}})};return t}(qe);qe.registerComponent("TimeTooltip",tr);var ar=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Se(ve(Ve(n),n.update),be);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-play-progress vjs-slider-bar"},{"aria-hidden":"true"})};a.update=function(e,t){var a=this.getChild("timeTooltip");if(!a){return}var n=this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime();a.updateTime(e,t,n)};return t}(qe);ar.prototype.options_={children:[]};if(!ut&&!Je){ar.prototype.options_.children.push("timeTooltip")}qe.registerComponent("PlayProgressBar",ar);var nr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Se(ve(Ve(n),n.update),be);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-mouse-display"})};a.update=function(e,t){var a=this,n=t*this.player_.duration();this.getChild("timeTooltip").updateTime(e,t,n,function(){a.el_.style.left=e.width*t+"px"})};return t}(qe);nr.prototype.options_={children:["timeTooltip"]};qe.registerComponent("MouseTimeDisplay",nr);var rr=12,ir=function(e){Ge(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.setEventHandlers_();return n}var n=a.prototype;n.setEventHandlers_=function(){this.update_=ve(this,this.update);this.update=Se(this.update_,be);this.on(this.player_,["ended","durationchange","timeupdate"],this.update);if(this.player_.liveTracker){this.on(this.player_.liveTracker,"liveedgechange",this.update)}this.updateInterval=null;this.on(this.player_,["playing"],this.enableInterval_);this.on(this.player_,["ended","pause","waiting"],this.disableInterval_);if("hidden"in t&&"visibilityState"in t){this.on(t,"visibilitychange",this.toggleVisibility_)}};n.toggleVisibility_=function(a){if(t.hidden){this.disableInterval_(a)}else{this.enableInterval_();this.update()}};n.enableInterval_=function(){if(this.updateInterval){return}this.updateInterval=this.setInterval(this.update,be)};n.disableInterval_=function(t){if(this.player_.liveTracker&&this.player_.liveTracker.isLive()&&"ended"!==t.type){return}if(!this.updateInterval){return}this.clearInterval(this.updateInterval);this.updateInterval=null};n.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-progress-holder"},{"aria-label":this.localize("Progress Bar")})};n.update=function(){var t=this,a=e.prototype.update.call(this);this.requestAnimationFrame(function(){var e=t.player_.ended()?t.player_.duration():t.getCurrentTime_(),n=t.player_.liveTracker,r=t.player_.duration();if(n&&n.isLive()){r=t.player_.liveTracker.liveCurrentTime()}if(t.percent_!==a){t.el_.setAttribute("aria-valuenow",(100*a).toFixed(2));t.percent_=a}if(t.currentTime_!==e||t.duration_!==r){t.el_.setAttribute("aria-valuetext",t.localize("progress bar timing: currentTime={1} duration={2}",[Vn(e,r),Vn(r,r)],"{1} of {2}"));t.currentTime_=e;t.duration_=r}if(t.bar){t.bar.update(j(t.el()),t.getProgress())}});return a};n.getCurrentTime_=function(){return this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime()};n.getPercent=function(){var e=this.getCurrentTime_(),t,a=this.player_.liveTracker;if(a&&a.isLive()){t=(e-a.seekableStart())/a.liveWindow();if(a.atLiveEdge()){t=1}}else{t=e/this.player_.duration()}return t};n.handleMouseDown=function(t){if(!K(t)){return}t.stopPropagation();this.player_.scrubbing(!0);this.videoWasPlaying=!this.player_.paused();this.player_.pause();e.prototype.handleMouseDown.call(this,t)};n.handleMouseMove=function(e){if(!K(e)){return}var t,a=this.calculateDistance(e),n=this.player_.liveTracker;if(!n||!n.isLive()){t=a*this.player_.duration();if(t===this.player_.duration()){t=t-.1}}else{var r=n.seekableStart(),i=n.liveCurrentTime();t=r+a*n.liveWindow();if(t>=i){t=i}if(t<=r){t=r+.1}if(t===1/0){return}}this.player_.currentTime(t)};n.enable=function(){e.prototype.enable.call(this);var t=this.getChild("mouseTimeDisplay");if(!t){return}t.show()};n.disable=function(){e.prototype.disable.call(this);var t=this.getChild("mouseTimeDisplay");if(!t){return}t.hide()};n.handleMouseUp=function(t){e.prototype.handleMouseUp.call(this,t);if(t){t.stopPropagation()}this.player_.scrubbing(!1);this.player_.trigger({type:"timeupdate",target:this,manuallyTriggered:!0});if(this.videoWasPlaying){Lt(this.player_.play())}else{this.update_()}};n.stepForward=function(){this.player_.currentTime(this.player_.currentTime()+5)};n.stepBack=function(){this.player_.currentTime(this.player_.currentTime()-5)};n.handleAction=function(){if(this.player_.paused()){this.player_.play()}else{this.player_.pause()}};n.handleKeyDown=function(t){if(wt.isEventKey(t,"Space")||wt.isEventKey(t,"Enter")){t.preventDefault();t.stopPropagation();this.handleAction(t)}else if(wt.isEventKey(t,"Home")){t.preventDefault();t.stopPropagation();this.player_.currentTime(0)}else if(wt.isEventKey(t,"End")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.duration())}else if(/^[0-9]$/.test(wt(t))){t.preventDefault();t.stopPropagation();var a=10*(wt.codes[wt(t)]-wt.codes[0])/100;this.player_.currentTime(this.player_.duration()*a)}else if(wt.isEventKey(t,"PgDn")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.currentTime()-5*rr)}else if(wt.isEventKey(t,"PgUp")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.currentTime()+5*rr)}else{e.prototype.handleKeyDown.call(this,t)}};return a}(Jn);ir.prototype.options_={children:["loadProgressBar","playProgressBar"],barName:"playProgressBar"};if(!ut&&!Je){ir.prototype.options_.children.splice(1,0,"mouseTimeDisplay")}qe.registerComponent("SeekBar",ir);var sr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.handleMouseMove=Se(ve(Ve(n),n.handleMouseMove),be);n.throttledHandleMouseSeek=Se(ve(Ve(n),n.handleMouseSeek),be);n.enable();return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-progress-control vjs-control"})};a.handleMouseMove=function(e){var t=this.getChild("seekBar");if(!t){return}var a=t.getChild("playProgressBar"),n=t.getChild("mouseTimeDisplay");if(!a&&!n){return}var r=t.el(),i=j(r),s=H(r,e).x;s=Qn(0,1,s);if(n){n.update(i,s)}if(a){a.update(i,t.getProgress())}};a.handleMouseSeek=function(e){var t=this.getChild("seekBar");if(t){t.handleMouseMove(e)}};a.enabled=function(){return this.enabled_};a.disable=function(){this.children().forEach(function(e){return e.disable&&e.disable()});if(!this.enabled()){return}this.off(["mousedown","touchstart"],this.handleMouseDown);this.off(this.el_,"mousemove",this.handleMouseMove);this.handleMouseUp();this.addClass("disabled");this.enabled_=!1};a.enable=function(){this.children().forEach(function(e){return e.enable&&e.enable()});if(this.enabled()){return}this.on(["mousedown","touchstart"],this.handleMouseDown);this.on(this.el_,"mousemove",this.handleMouseMove);this.removeClass("disabled");this.enabled_=!0};a.handleMouseDown=function(e){var t=this.el_.ownerDocument,a=this.getChild("seekBar");if(a){a.handleMouseDown(e)}this.on(t,"mousemove",this.throttledHandleMouseSeek);this.on(t,"touchmove",this.throttledHandleMouseSeek);this.on(t,"mouseup",this.handleMouseUp);this.on(t,"touchend",this.handleMouseUp)};a.handleMouseUp=function(e){var t=this.el_.ownerDocument,a=this.getChild("seekBar");if(a){a.handleMouseUp(e)}this.off(t,"mousemove",this.throttledHandleMouseSeek);this.off(t,"touchmove",this.throttledHandleMouseSeek);this.off(t,"mouseup",this.handleMouseUp);this.off(t,"touchend",this.handleMouseUp)};return t}(qe);sr.prototype.options_={children:["seekBar"]};qe.registerComponent("ProgressControl",sr);var or=function(e){Ge(a,e);function a(a,n){var r=e.call(this,a,n)||this;r.on(a,["enterpictureinpicture","leavepictureinpicture"],r.handlePictureInPictureChange);if(!t.pictureInPictureEnabled){r.disable()}return r}var n=a.prototype;n.buildCSSClass=function(){return"vjs-picture-in-picture-control "+e.prototype.buildCSSClass.call(this)};n.handlePictureInPictureChange=function(){if(this.player_.isInPictureInPicture()){this.controlText("Exit Picture-in-Picture")}else{this.controlText("Picture-in-Picture")}};n.handleClick=function(){if(!this.player_.isInPictureInPicture()){this.player_.requestPictureInPicture()}else{this.player_.exitPictureInPicture()}};return a}(Mn);or.prototype.controlText_="Picture-in-Picture";qe.registerComponent("PictureInPictureToggle",or);var lr=function(e){Ge(a,e);function a(a,n){var r=e.call(this,a,n)||this;r.on(a,"fullscreenchange",r.handleFullscreenChange);if(!1===t[a.fsApi_.fullscreenEnabled]){r.disable()}return r}var n=a.prototype;n.buildCSSClass=function(){return"vjs-fullscreen-control "+e.prototype.buildCSSClass.call(this)};n.handleFullscreenChange=function(){if(this.player_.isFullscreen()){this.controlText("Non-Fullscreen")}else{this.controlText("Fullscreen")}};n.handleClick=function(){if(!this.player_.isFullscreen()){this.player_.requestFullscreen()}else{this.player_.exitFullscreen()}};return a}(Mn);lr.prototype.controlText_="Fullscreen";qe.registerComponent("FullscreenToggle",lr);var dr=function(e,t){if(t.tech_&&!t.tech_.featuresVolumeControl){e.addClass("vjs-hidden")}e.on(t,"loadstart",function(){if(!t.tech_.featuresVolumeControl){e.addClass("vjs-hidden")}else{e.removeClass("vjs-hidden")}})},pr=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-volume-level",innerHTML:"<span class=\"vjs-control-text\"></span>"})};return t}(qe);qe.registerComponent("VolumeLevel",pr);var ur=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on("slideractive",n.updateLastVolume_);n.on(t,"volumechange",n.updateARIAAttributes);t.ready(function(){return n.updateARIAAttributes()});return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-volume-bar vjs-slider-bar"},{"aria-label":this.localize("Volume Level"),"aria-live":"polite"})};a.handleMouseDown=function(t){if(!K(t)){return}e.prototype.handleMouseDown.call(this,t)};a.handleMouseMove=function(e){if(!K(e)){return}this.checkMuted();this.player_.volume(this.calculateDistance(e))};a.checkMuted=function(){if(this.player_.muted()){this.player_.muted(!1)}};a.getPercent=function(){if(this.player_.muted()){return 0}return this.player_.volume()};a.stepForward=function(){this.checkMuted();this.player_.volume(this.player_.volume()+.1)};a.stepBack=function(){this.checkMuted();this.player_.volume(this.player_.volume()-.1)};a.updateARIAAttributes=function(){var e=this.player_.muted()?0:this.volumeAsPercentage_();this.el_.setAttribute("aria-valuenow",e);this.el_.setAttribute("aria-valuetext",e+"%")};a.volumeAsPercentage_=function(){return Math.round(100*this.player_.volume())};a.updateLastVolume_=function(){var e=this,t=this.player_.volume();this.one("sliderinactive",function(){if(0===e.player_.volume()){e.player_.lastVolume_(t)}})};return t}(Jn);ur.prototype.options_={children:["volumeLevel"],barName:"volumeLevel"};ur.prototype.playerEvent="volumechange";qe.registerComponent("VolumeBar",ur);var cr=function(e){Ge(t,e);function t(t,a){var n;if(void 0===a){a={}}a.vertical=a.vertical||!1;if("undefined"==typeof a.volumeBar||h(a.volumeBar)){a.volumeBar=a.volumeBar||{};a.volumeBar.vertical=a.vertical}n=e.call(this,t,a)||this;dr(Ve(n),t);n.throttledHandleMouseMove=Se(ve(Ve(n),n.handleMouseMove),be);n.on("mousedown",n.handleMouseDown);n.on("touchstart",n.handleMouseDown);n.on(n.volumeBar,["focus","slideractive"],function(){n.volumeBar.addClass("vjs-slider-active");n.addClass("vjs-slider-active");n.trigger("slideractive")});n.on(n.volumeBar,["blur","sliderinactive"],function(){n.volumeBar.removeClass("vjs-slider-active");n.removeClass("vjs-slider-active");n.trigger("sliderinactive")});return n}var a=t.prototype;a.createEl=function(){var t="vjs-volume-horizontal";if(this.options_.vertical){t="vjs-volume-vertical"}return e.prototype.createEl.call(this,"div",{className:"vjs-volume-control vjs-control "+t})};a.handleMouseDown=function(){var e=this.el_.ownerDocument;this.on(e,"mousemove",this.throttledHandleMouseMove);this.on(e,"touchmove",this.throttledHandleMouseMove);this.on(e,"mouseup",this.handleMouseUp);this.on(e,"touchend",this.handleMouseUp)};a.handleMouseUp=function(){var e=this.el_.ownerDocument;this.off(e,"mousemove",this.throttledHandleMouseMove);this.off(e,"touchmove",this.throttledHandleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchend",this.handleMouseUp)};a.handleMouseMove=function(e){this.volumeBar.handleMouseMove(e)};return t}(qe);cr.prototype.options_={children:["volumeBar"]};qe.registerComponent("VolumeControl",cr);var mr=function(e,t){if(t.tech_&&!t.tech_.featuresMuteControl){e.addClass("vjs-hidden")}e.on(t,"loadstart",function(){if(!t.tech_.featuresMuteControl){e.addClass("vjs-hidden")}else{e.removeClass("vjs-hidden")}})},gr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;mr(Ve(n),t);n.on(t,["loadstart","volumechange"],n.update);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-mute-control "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){var e=this.player_.volume(),t=this.player_.lastVolume_();if(0===e){var a=.1>t?.1:t;this.player_.volume(a);this.player_.muted(!1)}else{this.player_.muted(this.player_.muted()?!1:!0)}};a.update=function(){this.updateIcon_();this.updateControlText_()};a.updateIcon_=function(){var e=this.player_.volume(),t=3;if(ut&&this.player_.tech_&&this.player_.tech_.el_){this.player_.muted(this.player_.tech_.el_.muted)}if(0===e||this.player_.muted()){t=0}else if(.33>e){t=1}else if(.67>e){t=2}for(var a=0;4>a;a++){D(this.el_,"vjs-vol-"+a)}P(this.el_,"vjs-vol-"+t)};a.updateControlText_=function(){var e=this.player_.muted()||0===this.player_.volume(),t=e?"Unmute":"Mute";if(this.controlText()!==t){this.controlText(t)}};return t}(Mn);gr.prototype.controlText_="Mute";qe.registerComponent("MuteToggle",gr);var yr=function(e){Ge(a,e);function a(t,a){var n;if(void 0===a){a={}}if("undefined"!=typeof a.inline){a.inline=a.inline}else{a.inline=!0}if("undefined"==typeof a.volumeControl||h(a.volumeControl)){a.volumeControl=a.volumeControl||{};a.volumeControl.vertical=!a.inline}n=e.call(this,t,a)||this;n.on(t,["loadstart"],n.volumePanelState_);n.on(n.muteToggle,"keyup",n.handleKeyPress);n.on(n.volumeControl,"keyup",n.handleVolumeControlKeyUp);n.on("keydown",n.handleKeyPress);n.on("mouseover",n.handleMouseOver);n.on("mouseout",n.handleMouseOut);n.on(n.volumeControl,["slideractive"],n.sliderActive_);n.on(n.volumeControl,["sliderinactive"],n.sliderInactive_);return n}var n=a.prototype;n.sliderActive_=function(){this.addClass("vjs-slider-active")};n.sliderInactive_=function(){this.removeClass("vjs-slider-active")};n.volumePanelState_=function(){if(this.volumeControl.hasClass("vjs-hidden")&&this.muteToggle.hasClass("vjs-hidden")){this.addClass("vjs-hidden")}if(this.volumeControl.hasClass("vjs-hidden")&&!this.muteToggle.hasClass("vjs-hidden")){this.addClass("vjs-mute-toggle-only")}};n.createEl=function(){var t="vjs-volume-panel-horizontal";if(!this.options_.inline){t="vjs-volume-panel-vertical"}return e.prototype.createEl.call(this,"div",{className:"vjs-volume-panel vjs-control "+t})};n.dispose=function(){this.handleMouseOut();e.prototype.dispose.call(this)};n.handleVolumeControlKeyUp=function(e){if(wt.isEventKey(e,"Esc")){this.muteToggle.focus()}};n.handleMouseOver=function(){this.addClass("vjs-hover");ge(t,"keyup",ve(this,this.handleKeyPress))};n.handleMouseOut=function(){this.removeClass("vjs-hover");ye(t,"keyup",ve(this,this.handleKeyPress))};n.handleKeyPress=function(e){if(wt.isEventKey(e,"Esc")){this.handleMouseOut()}};return a}(qe);yr.prototype.options_={children:["muteToggle","volumeControl"]};qe.registerComponent("VolumePanel",yr);var hr=function(e){Ge(a,e);function a(t,a){var n=e.call(this,t,a)||this;if(a){n.menuButton_=a.menuButton}n.focusedChild_=-1;n.on("keydown",n.handleKeyDown);n.boundHandleBlur_=ve(Ve(n),n.handleBlur);n.boundHandleTapClick_=ve(Ve(n),n.handleTapClick);return n}var n=a.prototype;n.addEventListenerForItem=function(e){if(!(e instanceof qe)){return}this.on(e,"blur",this.boundHandleBlur_);this.on(e,["tap","click"],this.boundHandleTapClick_)};n.removeEventListenerForItem=function(e){if(!(e instanceof qe)){return}this.off(e,"blur",this.boundHandleBlur_);this.off(e,["tap","click"],this.boundHandleTapClick_)};n.removeChild=function(t){if("string"==typeof t){t=this.getChild(t)}this.removeEventListenerForItem(t);e.prototype.removeChild.call(this,t)};n.addItem=function(e){var t=this.addChild(e);if(t){this.addEventListenerForItem(t)}};n.createEl=function(){var t=this.options_.contentElType||"ul";this.contentEl_=E(t,{className:"vjs-menu-content"});this.contentEl_.setAttribute("role","menu");var a=e.prototype.createEl.call(this,"div",{append:this.contentEl_,className:"vjs-menu"});a.appendChild(this.contentEl_);ge(a,"click",function(e){e.preventDefault();e.stopImmediatePropagation()});return a};n.dispose=function(){this.contentEl_=null;this.boundHandleBlur_=null;this.boundHandleTapClick_=null;e.prototype.dispose.call(this)};n.handleBlur=function(e){var a=e.relatedTarget||t.activeElement;if(!this.children().some(function(e){return e.el()===a})){var n=this.menuButton_;if(n&&n.buttonPressed_&&a!==n.el().firstChild){n.unpressButton()}}};n.handleTapClick=function(e){if(this.menuButton_){this.menuButton_.unpressButton();var t=this.children();if(!Array.isArray(t)){return}var a=t.filter(function(t){return t.el()===e.target})[0];if(!a){return}if("CaptionSettingsMenuItem"!==a.name()){this.menuButton_.focus()}}};n.handleKeyDown=function(e){if(wt.isEventKey(e,"Left")||wt.isEventKey(e,"Down")){e.preventDefault();e.stopPropagation();this.stepForward()}else if(wt.isEventKey(e,"Right")||wt.isEventKey(e,"Up")){e.preventDefault();e.stopPropagation();this.stepBack()}};n.stepForward=function(){var e=0;if(this.focusedChild_!==void 0){e=this.focusedChild_+1}this.focus(e)};n.stepBack=function(){var e=0;if(this.focusedChild_!==void 0){e=this.focusedChild_-1}this.focus(e)};n.focus=function(e){if(void 0===e){e=0}var t=this.children().slice(),a=t.length&&t[0].className&&/vjs-menu-title/.test(t[0].className);if(a){t.shift()}if(0<t.length){if(0>e){e=0}else if(e>=t.length){e=t.length-1}this.focusedChild_=e;t[e].el_.focus()}};return a}(qe);qe.registerComponent("Menu",hr);var _r=function(e){Ge(a,e);function a(a,n){var r;if(void 0===n){n={}}r=e.call(this,a,n)||this;r.menuButton_=new Mn(a,n);r.menuButton_.controlText(r.controlText_);r.menuButton_.el_.setAttribute("aria-haspopup","true");var i=Mn.prototype.buildCSSClass();r.menuButton_.el_.className=r.buildCSSClass()+" "+i;r.menuButton_.removeClass("vjs-control");r.addChild(r.menuButton_);r.update();r.enabled_=!0;r.on(r.menuButton_,"tap",r.handleClick);r.on(r.menuButton_,"click",r.handleClick);r.on(r.menuButton_,"keydown",r.handleKeyDown);r.on(r.menuButton_,"mouseenter",function(){r.addClass("vjs-hover");r.menu.show();ge(t,"keyup",ve(Ve(r),r.handleMenuKeyUp))});r.on("mouseleave",r.handleMouseLeave);r.on("keydown",r.handleSubmenuKeyDown);return r}var n=a.prototype;n.update=function(){var e=this.createMenu();if(this.menu){this.menu.dispose();this.removeChild(this.menu)}this.menu=e;this.addChild(e);this.buttonPressed_=!1;this.menuButton_.el_.setAttribute("aria-expanded","false");if(this.items&&this.items.length<=this.hideThreshold_){this.hide()}else{this.show()}};n.createMenu=function(){var e=new hr(this.player_,{menuButton:this});this.hideThreshold_=0;if(this.options_.title){var t=E("li",{className:"vjs-menu-title",innerHTML:je(this.options_.title),tabIndex:-1});this.hideThreshold_+=1;var a=new qe(this.player_,{el:t});e.addItem(a)}this.items=this.createItems();if(this.items){for(var n=0;n<this.items.length;n++){e.addItem(this.items[n])}}return e};n.createItems=function(){};n.createEl=function(){return e.prototype.createEl.call(this,"div",{className:this.buildWrapperCSSClass()},{})};n.buildWrapperCSSClass=function(){var t="vjs-menu-button";if(!0===this.options_.inline){t+="-inline"}else{t+="-popup"}var a=Mn.prototype.buildCSSClass();return"vjs-menu-button "+t+" "+a+" "+e.prototype.buildCSSClass.call(this)};n.buildCSSClass=function(){var t="vjs-menu-button";if(!0===this.options_.inline){t+="-inline"}else{t+="-popup"}return"vjs-menu-button "+t+" "+e.prototype.buildCSSClass.call(this)};n.controlText=function(e,t){if(void 0===t){t=this.menuButton_.el()}return this.menuButton_.controlText(e,t)};n.dispose=function(){this.handleMouseLeave();e.prototype.dispose.call(this)};n.handleClick=function(){if(this.buttonPressed_){this.unpressButton()}else{this.pressButton()}};n.handleMouseLeave=function(){this.removeClass("vjs-hover");ye(t,"keyup",ve(this,this.handleMenuKeyUp))};n.focus=function(){this.menuButton_.focus()};n.blur=function(){this.menuButton_.blur()};n.handleKeyDown=function(e){if(wt.isEventKey(e,"Esc")||wt.isEventKey(e,"Tab")){if(this.buttonPressed_){this.unpressButton()}if(!wt.isEventKey(e,"Tab")){e.preventDefault();this.menuButton_.focus()}}else if(wt.isEventKey(e,"Up")||wt.isEventKey(e,"Down")){if(!this.buttonPressed_){e.preventDefault();this.pressButton()}}};n.handleMenuKeyUp=function(e){if(wt.isEventKey(e,"Esc")||wt.isEventKey(e,"Tab")){this.removeClass("vjs-hover")}};n.handleSubmenuKeyPress=function(e){this.handleSubmenuKeyDown(e)};n.handleSubmenuKeyDown=function(e){if(wt.isEventKey(e,"Esc")||wt.isEventKey(e,"Tab")){if(this.buttonPressed_){this.unpressButton()}if(!wt.isEventKey(e,"Tab")){e.preventDefault();this.menuButton_.focus()}}};n.pressButton=function(){if(this.enabled_){this.buttonPressed_=!0;this.menu.show();this.menu.lockShowing();this.menuButton_.el_.setAttribute("aria-expanded","true");if(ut&&k()){return}this.menu.focus()}};n.unpressButton=function(){if(this.enabled_){this.buttonPressed_=!1;this.menu.unlockShowing();this.menu.hide();this.menuButton_.el_.setAttribute("aria-expanded","false")}};n.disable=function(){this.unpressButton();this.enabled_=!1;this.addClass("vjs-disabled");this.menuButton_.disable()};n.enable=function(){this.enabled_=!0;this.removeClass("vjs-disabled");this.menuButton_.enable()};return a}(qe);qe.registerComponent("MenuButton",_r);var fr=function(e){Ge(t,e);function t(t,a){var n,r=a.tracks;n=e.call(this,t,a)||this;if(1>=n.items.length){n.hide()}if(!r){return Ve(n)}var i=ve(Ve(n),n.update);r.addEventListener("removetrack",i);r.addEventListener("addtrack",i);n.player_.on("ready",i);n.player_.on("dispose",function(){r.removeEventListener("removetrack",i);r.removeEventListener("addtrack",i)});return n}return t}(_r);qe.registerComponent("TrackButton",fr);var Tr=["Tab","Esc","Up","Down","Right","Left"],br=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.selectable=a.selectable;n.isSelected_=a.selected||!1;n.multiSelectable=a.multiSelectable;n.selected(n.isSelected_);if(n.selectable){if(n.multiSelectable){n.el_.setAttribute("role","menuitemcheckbox")}else{n.el_.setAttribute("role","menuitemradio")}}else{n.el_.setAttribute("role","menuitem")}return n}var a=t.prototype;a.createEl=function(t,a,n){this.nonIconControl=!0;return e.prototype.createEl.call(this,"li",g({className:"vjs-menu-item",innerHTML:"<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label)+"</span>",tabIndex:-1},a),n)};a.handleKeyDown=function(t){if(!Tr.some(function(e){return wt.isEventKey(t,e)})){e.prototype.handleKeyDown.call(this,t)}};a.handleClick=function(){this.selected(!0)};a.selected=function(e){if(this.selectable){if(e){this.addClass("vjs-selected");this.el_.setAttribute("aria-checked","true");this.controlText(", selected");this.isSelected_=!0}else{this.removeClass("vjs-selected");this.el_.setAttribute("aria-checked","false");this.controlText("");this.isSelected_=!1}}};return t}(Pn);qe.registerComponent("MenuItem",br);var vr=function(a){Ge(n,a);function n(n,r){var i,s=r.track,o=n.textTracks();r.label=s.label||s.language||"Unknown";r.selected="showing"===s.mode;i=a.call(this,n,r)||this;i.track=s;i.kinds=(r.kinds||[r.kind||i.track.kind]).filter(Boolean);var l=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}i.handleTracksChange.apply(Ve(i),t)},d=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}i.handleSelectedLanguageChange.apply(Ve(i),t)};n.on(["loadstart","texttrackchange"],l);o.addEventListener("change",l);o.addEventListener("selectedlanguagechange",d);i.on("dispose",function(){n.off(["loadstart","texttrackchange"],l);o.removeEventListener("change",l);o.removeEventListener("selectedlanguagechange",d)});if(o.onchange===void 0){var p;i.on(["tap","click"],function(){if("object"!==_typeof2(e.Event)){try{p=new e.Event("change")}catch(e){}}if(!p){p=t.createEvent("Event");p.initEvent("change",!0,!0)}o.dispatchEvent(p)})}i.handleTracksChange();return i}var r=n.prototype;r.handleClick=function(e){var t=this.track,n=this.player_.textTracks();a.prototype.handleClick.call(this,e);if(!n){return}for(var r=0,s;r<n.length;r++){s=n[r];if(-1===this.kinds.indexOf(s.kind)){continue}if(s===t){if("showing"!==s.mode){s.mode="showing"}}else if("disabled"!==s.mode){s.mode="disabled"}}};r.handleTracksChange=function(){var e="showing"===this.track.mode;if(e!==this.isSelected_){this.selected(e)}};r.handleSelectedLanguageChange=function(){if("showing"===this.track.mode){var e=this.player_.cache_.selectedLanguage;if(e&&e.enabled&&e.language===this.track.language&&e.kind!==this.track.kind){return}this.player_.cache_.selectedLanguage={enabled:!0,language:this.track.language,kind:this.track.kind}}};r.dispose=function(){this.track=null;a.prototype.dispose.call(this)};return n}(br);qe.registerComponent("TextTrackMenuItem",vr);var Sr=function(e){Ge(t,e);function t(t,a){a.track={player:t,kind:a.kind,kinds:a.kinds,default:!1,mode:"disabled"};if(!a.kinds){a.kinds=[a.kind]}if(a.label){a.track.label=a.label}else{a.track.label=a.kinds.join(" and ")+" off"}a.selectable=!0;a.multiSelectable=!1;return e.call(this,t,a)||this}var a=t.prototype;a.handleTracksChange=function(){for(var e=this.player().textTracks(),t=!0,a=0,n=e.length,r;a<n;a++){r=e[a];if(-1<this.options_.kinds.indexOf(r.kind)&&"showing"===r.mode){t=!1;break}}if(t!==this.isSelected_){this.selected(t)}};a.handleSelectedLanguageChange=function(){for(var e=this.player().textTracks(),t=!0,a=0,n=e.length,r;a<n;a++){r=e[a];if(-1<["captions","descriptions","subtitles"].indexOf(r.kind)&&"showing"===r.mode){t=!1;break}}if(t){this.player_.cache_.selectedLanguage={enabled:!1}}};return t}(vr);qe.registerComponent("OffTextTrackMenuItem",Sr);var kr=function(e){Ge(t,e);function t(t,a){if(void 0===a){a={}}a.tracks=t.textTracks();return e.call(this,t,a)||this}var a=t.prototype;a.createItems=function(e,t){if(void 0===e){e=[]}if(void 0===t){t=vr}var a;if(this.label_){a=this.label_+" off"}e.push(new Sr(this.player_,{kinds:this.kinds_,kind:this.kind_,label:a}));this.hideThreshold_+=1;var n=this.player_.textTracks();if(!Array.isArray(this.kinds_)){this.kinds_=[this.kind_]}for(var r=0,s;r<n.length;r++){s=n[r];if(-1<this.kinds_.indexOf(s.kind)){var o=new t(this.player_,{track:s,kinds:this.kinds_,kind:this.kind_,selectable:!0,multiSelectable:!1});o.addClass("vjs-"+s.kind+"-menu-item");e.push(o)}}return e};return t}(fr);qe.registerComponent("TextTrackButton",kr);var Cr=function(e){Ge(t,e);function t(t,a){var n,r=a.track,i=a.cue,s=t.currentTime();a.selectable=!0;a.multiSelectable=!1;a.label=i.text;a.selected=i.startTime<=s&&s<i.endTime;n=e.call(this,t,a)||this;n.track=r;n.cue=i;r.addEventListener("cuechange",ve(Ve(n),n.update));return n}var a=t.prototype;a.handleClick=function(){e.prototype.handleClick.call(this);this.player_.currentTime(this.cue.startTime);this.update(this.cue.startTime)};a.update=function(){var e=this.cue,t=this.player_.currentTime();this.selected(e.startTime<=t&&t<e.endTime)};return t}(br);qe.registerComponent("ChaptersTrackMenuItem",Cr);var Er=function(e){Ge(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-chapters-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-chapters-button "+e.prototype.buildWrapperCSSClass.call(this)};a.update=function(t){if(!this.track_||t&&("addtrack"===t.type||"removetrack"===t.type)){this.setTrack(this.findChaptersTrack())}e.prototype.update.call(this)};a.setTrack=function(e){if(this.track_===e){return}if(!this.updateHandler_){this.updateHandler_=this.update.bind(this)}if(this.track_){var t=this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);if(t){t.removeEventListener("load",this.updateHandler_)}this.track_=null}this.track_=e;if(this.track_){this.track_.mode="hidden";var a=this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);if(a){a.addEventListener("load",this.updateHandler_)}}};a.findChaptersTrack=function(){for(var e=this.player_.textTracks()||[],t=e.length-1,a;0<=t;t--){a=e[t];if(a.kind===this.kind_){return a}}};a.getMenuCaption=function(){if(this.track_&&this.track_.label){return this.track_.label}return this.localize(je(this.kind_))};a.createMenu=function(){this.options_.title=this.getMenuCaption();return e.prototype.createMenu.call(this)};a.createItems=function(){var e=[];if(!this.track_){return e}var t=this.track_.cues;if(!t){return e}for(var a=0,n=t.length;a<n;a++){var r=t[a],s=new Cr(this.player_,{track:this.track_,cue:r});e.push(s)}return e};return t}(kr);Er.prototype.kind_="chapters";Er.prototype.controlText_="Chapters";qe.registerComponent("ChaptersButton",Er);var Ir=function(e){Ge(t,e);function t(t,a,n){var r=e.call(this,t,a,n)||this;var i=t.textTracks(),s=ve(Ve(r),r.handleTracksChange);i.addEventListener("change",s);r.on("dispose",function(){i.removeEventListener("change",s)});return r}var a=t.prototype;a.handleTracksChange=function(){for(var e=this.player().textTracks(),t=!1,a=0,n=e.length,r;a<n;a++){r=e[a];if(r.kind!==this.kind_&&"showing"===r.mode){t=!0;break}}if(t){this.disable()}else{this.enable()}};a.buildCSSClass=function(){return"vjs-descriptions-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-descriptions-button "+e.prototype.buildWrapperCSSClass.call(this)};return t}(kr);Ir.prototype.kind_="descriptions";Ir.prototype.controlText_="Descriptions";qe.registerComponent("DescriptionsButton",Ir);var xr=function(e){Ge(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-subtitles-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-subtitles-button "+e.prototype.buildWrapperCSSClass.call(this)};return t}(kr);xr.prototype.kind_="subtitles";xr.prototype.controlText_="Subtitles";qe.registerComponent("SubtitlesButton",xr);var Lr=function(e){Ge(t,e);function t(t,a){var n;a.track={player:t,kind:a.kind,label:a.kind+" settings",selectable:!1,default:!1,mode:"disabled"};a.selectable=!1;a.name="CaptionSettingsMenuItem";n=e.call(this,t,a)||this;n.addClass("vjs-texttrack-settings");n.controlText(", opens "+a.kind+" settings dialog");return n}var a=t.prototype;a.handleClick=function(){this.player().getChild("textTrackSettings").open()};return t}(vr);qe.registerComponent("CaptionSettingsMenuItem",Lr);var Pr=function(e){Ge(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-captions-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-captions-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(){var t=[];if(!(this.player().tech_&&this.player().tech_.featuresNativeTextTracks)&&this.player().getChild("textTrackSettings")){t.push(new Lr(this.player_,{kind:this.kind_}));this.hideThreshold_+=1}return e.prototype.createItems.call(this,t)};return t}(kr);Pr.prototype.kind_="captions";Pr.prototype.controlText_="Captions";qe.registerComponent("CaptionsButton",Pr);var Dr=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(t,a,n){var r="<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label);if("captions"===this.options_.track.kind){r+="\n        <span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>\n        <span class=\"vjs-control-text\"> "+this.localize("Captions")+"</span>\n      "}r+="</span>";var i=e.prototype.createEl.call(this,t,g({innerHTML:r},a),n);return i};return t}(vr);qe.registerComponent("SubsCapsMenuItem",Dr);var wr=function(e){Ge(t,e);function t(t,a){var n;if(void 0===a){a={}}n=e.call(this,t,a)||this;n.label_="subtitles";if(-1<["en","en-us","en-ca","fr-ca"].indexOf(n.player_.language_)){n.label_="captions"}n.menuButton_.controlText(je(n.label_));return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-subs-caps-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-subs-caps-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(){var t=[];if(!(this.player().tech_&&this.player().tech_.featuresNativeTextTracks)&&this.player().getChild("textTrackSettings")){t.push(new Lr(this.player_,{kind:this.label_}));this.hideThreshold_+=1}t=e.prototype.createItems.call(this,t,Dr);return t};return t}(kr);wr.prototype.kinds_=["captions","subtitles"];wr.prototype.controlText_="Subtitles";qe.registerComponent("SubsCapsButton",wr);var Ar=function(e){Ge(t,e);function t(t,a){var n,r=a.track,i=t.audioTracks();a.label=r.label||r.language||"Unknown";a.selected=r.enabled;n=e.call(this,t,a)||this;n.track=r;n.addClass("vjs-"+r.kind+"-menu-item");var s=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}n.handleTracksChange.apply(Ve(n),t)};i.addEventListener("change",s);n.on("dispose",function(){i.removeEventListener("change",s)});return n}var a=t.prototype;a.createEl=function(t,a,n){var r="<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label);if("main-desc"===this.options_.track.kind){r+="\n        <span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>\n        <span class=\"vjs-control-text\"> "+this.localize("Descriptions")+"</span>\n      "}r+="</span>";var i=e.prototype.createEl.call(this,t,g({innerHTML:r},a),n);return i};a.handleClick=function(t){var a=this.player_.audioTracks();e.prototype.handleClick.call(this,t);for(var n=0,r;n<a.length;n++){r=a[n];r.enabled=r===this.track}};a.handleTracksChange=function(){this.selected(this.track.enabled)};return t}(br);qe.registerComponent("AudioTrackMenuItem",Ar);var Or=function(e){Ge(t,e);function t(t,a){if(void 0===a){a={}}a.tracks=t.audioTracks();return e.call(this,t,a)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-audio-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-audio-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(e){if(void 0===e){e=[]}this.hideThreshold_=1;for(var t=this.player_.audioTracks(),a=0,n;a<t.length;a++){n=t[a];e.push(new Ar(this.player_,{track:n,selectable:!0,multiSelectable:!1}))}return e};return t}(fr);Or.prototype.controlText_="Audio Track";qe.registerComponent("AudioTrackButton",Or);var Rr=function(e){Ge(t,e);function t(t,a){var n,r=a.rate,i=parseFloat(r,10);a.label=r;a.selected=1===i;a.selectable=!0;a.multiSelectable=!1;n=e.call(this,t,a)||this;n.label=r;n.rate=i;n.on(t,"ratechange",n.update);return n}var a=t.prototype;a.handleClick=function(){e.prototype.handleClick.call(this);this.player().playbackRate(this.rate)};a.update=function(){this.selected(this.player().playbackRate()===this.rate)};return t}(br);Rr.prototype.contentElType="button";qe.registerComponent("PlaybackRateMenuItem",Rr);var Nr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateVisibility();n.updateLabel();n.on(t,"loadstart",n.updateVisibility);n.on(t,"ratechange",n.updateLabel);return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this);this.labelEl_=E("div",{className:"vjs-playback-rate-value",innerHTML:"1x"});t.appendChild(this.labelEl_);return t};a.dispose=function(){this.labelEl_=null;e.prototype.dispose.call(this)};a.buildCSSClass=function(){return"vjs-playback-rate "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-playback-rate "+e.prototype.buildWrapperCSSClass.call(this)};a.createMenu=function(){var e=new hr(this.player()),t=this.playbackRates();if(t){for(var a=t.length-1;0<=a;a--){e.addChild(new Rr(this.player(),{rate:t[a]+"x"}))}}return e};a.updateARIAAttributes=function(){this.el().setAttribute("aria-valuenow",this.player().playbackRate())};a.handleClick=function(){for(var e=this.player().playbackRate(),t=this.playbackRates(),a=t[0],n=0;n<t.length;n++){if(t[n]>e){a=t[n];break}}this.player().playbackRate(a)};a.playbackRates=function(){return this.options_.playbackRates||this.options_.playerOptions&&this.options_.playerOptions.playbackRates};a.playbackRateSupported=function(){return this.player().tech_&&this.player().tech_.featuresPlaybackRate&&this.playbackRates()&&0<this.playbackRates().length};a.updateVisibility=function(){if(this.playbackRateSupported()){this.removeClass("vjs-hidden")}else{this.addClass("vjs-hidden")}};a.updateLabel=function(){if(this.playbackRateSupported()){this.labelEl_.innerHTML=this.player().playbackRate()+"x"}};return t}(_r);Nr.prototype.controlText_="Playback Rate";qe.registerComponent("PlaybackRateMenuButton",Nr);var Ur=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-spacer "+e.prototype.buildCSSClass.call(this)};a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:this.buildCSSClass()})};return t}(qe);qe.registerComponent("Spacer",Ur);var Mr=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-custom-control-spacer "+e.prototype.buildCSSClass.call(this)};a.createEl=function(){var t=e.prototype.createEl.call(this,{className:this.buildCSSClass()});t.innerHTML="\xA0";return t};return t}(Ur);qe.registerComponent("CustomControlSpacer",Mr);var Br=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-control-bar",dir:"ltr"})};return t}(qe);Br.prototype.options_={children:["playToggle","volumePanel","currentTimeDisplay","timeDivider","durationDisplay","progressControl","liveDisplay","seekToLive","remainingTimeDisplay","customControlSpacer","playbackRateMenuButton","chaptersButton","descriptionsButton","subsCapsButton","audioTrackButton","fullscreenToggle"]};if("exitPictureInPicture"in t){Br.prototype.options_.children.splice(Br.prototype.options_.children.length-1,0,"pictureInPictureToggle")}qe.registerComponent("ControlBar",Br);var jr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"error",n.open);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-error-display "+e.prototype.buildCSSClass.call(this)};a.content=function(){var e=this.player().error();return e?this.localize(e.message):""};return t}(Bt);jr.prototype.options_=d({},Bt.prototype.options_,{pauseOnOpen:!1,fillAlways:!0,temporary:!1,uncloseable:!0});qe.registerComponent("ErrorDisplay",jr);var Fr=["#000","Black"],Hr=["#00F","Blue"],qr=["#0FF","Cyan"],Vr=["#0F0","Green"],Wr=["#F0F","Magenta"],zr=["#F00","Red"],Gr=["#FFF","White"],Kr=["#FF0","Yellow"],Yr=["1","Opaque"],Xr=["0.5","Semi-Transparent"],$r=["0","Transparent"],Qr={backgroundColor:{selector:".vjs-bg-color > select",id:"captions-background-color-%s",label:"Color",options:[Fr,Gr,zr,Vr,Hr,Kr,Wr,qr]},backgroundOpacity:{selector:".vjs-bg-opacity > select",id:"captions-background-opacity-%s",label:"Transparency",options:[Yr,Xr,$r]},color:{selector:".vjs-fg-color > select",id:"captions-foreground-color-%s",label:"Color",options:[Gr,Fr,zr,Vr,Hr,Kr,Wr,qr]},edgeStyle:{selector:".vjs-edge-style > select",id:"%s",label:"Text Edge Style",options:[["none","None"],["raised","Raised"],["depressed","Depressed"],["uniform","Uniform"],["dropshadow","Dropshadow"]]},fontFamily:{selector:".vjs-font-family > select",id:"captions-font-family-%s",label:"Font Family",options:[["proportionalSansSerif","Proportional Sans-Serif"],["monospaceSansSerif","Monospace Sans-Serif"],["proportionalSerif","Proportional Serif"],["monospaceSerif","Monospace Serif"],["casual","Casual"],["script","Script"],["small-caps","Small Caps"]]},fontPercent:{selector:".vjs-font-percent > select",id:"captions-font-size-%s",label:"Font Size",options:[["0.50","50%"],["0.75","75%"],["1.00","100%"],["1.25","125%"],["1.50","150%"],["1.75","175%"],["2.00","200%"],["3.00","300%"],["4.00","400%"]],default:2,parser:function(e){return"1.00"===e?null:+e}},textOpacity:{selector:".vjs-text-opacity > select",id:"captions-foreground-opacity-%s",label:"Transparency",options:[Yr,Xr]},windowColor:{selector:".vjs-window-color > select",id:"captions-window-color-%s",label:"Color"},windowOpacity:{selector:".vjs-window-opacity > select",id:"captions-window-opacity-%s",label:"Transparency",options:[$r,Xr,Yr]}};Qr.windowColor.options=Qr.backgroundColor.options;function Jr(e,t){if(t){e=t(e)}if(e&&"none"!==e){return e}}function Zr(e,t){var a=e.options[e.options.selectedIndex].value;return Jr(a,t)}function ei(e,t,a){if(!t){return}for(var n=0;n<e.options.length;n++){if(Jr(e.options[n].value,a)===t){e.selectedIndex=n;break}}}var ti=function(t){Ge(a,t);function a(e,a){var n;a.temporary=!1;n=t.call(this,e,a)||this;n.updateDisplay=ve(Ve(n),n.updateDisplay);n.fill();n.hasBeenOpened_=n.hasBeenFilled_=!0;n.endDialog=E("p",{className:"vjs-control-text",textContent:n.localize("End of dialog window.")});n.el().appendChild(n.endDialog);n.setDefaults();if(a.persistTextTrackSettings===void 0){n.options_.persistTextTrackSettings=n.options_.playerOptions.persistTextTrackSettings}n.on(n.$(".vjs-done-button"),"click",function(){n.saveSettings();n.close()});n.on(n.$(".vjs-default-button"),"click",function(){n.setDefaults();n.updateDisplay()});c(Qr,function(e){n.on(n.$(e.selector),"change",n.updateDisplay)});if(n.options_.persistTextTrackSettings){n.restoreSettings()}return n}var n=a.prototype;n.dispose=function(){this.endDialog=null;t.prototype.dispose.call(this)};n.createElSelect_=function(e,t,a){var n=this;if(void 0===t){t=""}if(void 0===a){a="label"}var r=Qr[e],i=r.id.replace("%s",this.id_),s=[t,i].join(" ").trim();return["<"+a+" id=\""+i+"\" class=\""+("label"===a?"vjs-label":"")+"\">",this.localize(r.label),"</"+a+">","<select aria-labelledby=\""+s+"\">"].concat(r.options.map(function(e){var t=i+"-"+e[1].replace(/\W+/g,"");return["<option id=\""+t+"\" value=\""+e[0]+"\" ","aria-labelledby=\""+s+" "+t+"\">",n.localize(e[1]),"</option>"].join("")})).concat("</select>").join("")};n.createElFgColor_=function(){var e="captions-text-legend-"+this.id_;return["<fieldset class=\"vjs-fg-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Text"),"</legend>",this.createElSelect_("color",e),"<span class=\"vjs-text-opacity vjs-opacity\">",this.createElSelect_("textOpacity",e),"</span>","</fieldset>"].join("")};n.createElBgColor_=function(){var e="captions-background-"+this.id_;return["<fieldset class=\"vjs-bg-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Background"),"</legend>",this.createElSelect_("backgroundColor",e),"<span class=\"vjs-bg-opacity vjs-opacity\">",this.createElSelect_("backgroundOpacity",e),"</span>","</fieldset>"].join("")};n.createElWinColor_=function(){var e="captions-window-"+this.id_;return["<fieldset class=\"vjs-window-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Window"),"</legend>",this.createElSelect_("windowColor",e),"<span class=\"vjs-window-opacity vjs-opacity\">",this.createElSelect_("windowOpacity",e),"</span>","</fieldset>"].join("")};n.createElColors_=function(){return E("div",{className:"vjs-track-settings-colors",innerHTML:[this.createElFgColor_(),this.createElBgColor_(),this.createElWinColor_()].join("")})};n.createElFont_=function(){return E("div",{className:"vjs-track-settings-font",innerHTML:["<fieldset class=\"vjs-font-percent vjs-track-setting\">",this.createElSelect_("fontPercent","","legend"),"</fieldset>","<fieldset class=\"vjs-edge-style vjs-track-setting\">",this.createElSelect_("edgeStyle","","legend"),"</fieldset>","<fieldset class=\"vjs-font-family vjs-track-setting\">",this.createElSelect_("fontFamily","","legend"),"</fieldset>"].join("")})};n.createElControls_=function(){var e=this.localize("restore all settings to the default values");return E("div",{className:"vjs-track-settings-controls",innerHTML:["<button type=\"button\" class=\"vjs-default-button\" title=\""+e+"\">",this.localize("Reset"),"<span class=\"vjs-control-text\"> "+e+"</span>","</button>","<button type=\"button\" class=\"vjs-done-button\">"+this.localize("Done")+"</button>"].join("")})};n.content=function(){return[this.createElColors_(),this.createElFont_(),this.createElControls_()]};n.label=function(){return this.localize("Caption Settings Dialog")};n.description=function(){return this.localize("Beginning of dialog window. Escape will cancel and close the window.")};n.buildCSSClass=function(){return t.prototype.buildCSSClass.call(this)+" vjs-text-track-settings"};n.getValues=function(){var e=this;return m(Qr,function(t,a,n){var r=Zr(e.$(a.selector),a.parser);if(r!==void 0){t[n]=r}return t},{})};n.setValues=function(e){var t=this;c(Qr,function(a,n){ei(t.$(a.selector),e[n],a.parser)})};n.setDefaults=function(){var e=this;c(Qr,function(t){var a=t.hasOwnProperty("default")?t["default"]:0;e.$(t.selector).selectedIndex=a})};n.restoreSettings=function(){var t;try{t=JSON.parse(e.localStorage.getItem("vjs-text-track-settings"))}catch(e){s.warn(e)}if(t){this.setValues(t)}};n.saveSettings=function(){if(!this.options_.persistTextTrackSettings){return}var t=this.getValues();try{if(Object.keys(t).length){e.localStorage.setItem("vjs-text-track-settings",JSON.stringify(t))}else{e.localStorage.removeItem("vjs-text-track-settings")}}catch(e){s.warn(e)}};n.updateDisplay=function(){var e=this.player_.getChild("textTrackDisplay");if(e){e.updateDisplay()}};n.conditionalBlur_=function(){this.previouslyActiveEl_=null;var e=this.player_.controlBar,t=e&&e.subsCapsButton,a=e&&e.captionsButton;if(t){t.focus()}else if(a){a.focus()}};return a}(Bt);qe.registerComponent("TextTrackSettings",ti);var ai=function(t){Ge(a,t);function a(a,n){var r,i=n.ResizeObserver||e.ResizeObserver;if(null===n.ResizeObserver){i=!1}var s=He({createEl:!i,reportTouchActivity:!1},n);r=t.call(this,a,s)||this;r.ResizeObserver=n.ResizeObserver||e.ResizeObserver;r.loadListener_=null;r.resizeObserver_=null;r.debouncedHandler_=ke(function(){r.resizeHandler()},100,!1,Ve(r));if(i){r.resizeObserver_=new r.ResizeObserver(r.debouncedHandler_);r.resizeObserver_.observe(a.el())}else{r.loadListener_=function(){if(!r.el_||!r.el_.contentWindow){return}var e=r.debouncedHandler_,t=r.unloadListener_=function(){ye(this,"resize",e);ye(this,"unload",t);t=null};ge(r.el_.contentWindow,"unload",t);ge(r.el_.contentWindow,"resize",e)};r.one("load",r.loadListener_)}return r}var n=a.prototype;n.createEl=function(){return t.prototype.createEl.call(this,"iframe",{className:"vjs-resize-manager",tabIndex:-1},{"aria-hidden":"true"})};n.resizeHandler=function(){if(!this.player_||!this.player_.trigger){return}this.player_.trigger("playerresize")};n.dispose=function(){if(this.debouncedHandler_){this.debouncedHandler_.cancel()}if(this.resizeObserver_){if(this.player_.el()){this.resizeObserver_.unobserve(this.player_.el())}this.resizeObserver_.disconnect()}if(this.loadListener_){this.off("load",this.loadListener_)}if(this.el_&&this.el_.contentWindow&&this.unloadListener_){this.unloadListener_.call(this.el_.contentWindow)}this.ResizeObserver=null;this.resizeObserver=null;this.debouncedHandler_=null;this.loadListener_=null;t.prototype.dispose.call(this)};return a}(qe);qe.registerComponent("ResizeManager",ai);var ni=function(e){var t=Math.floor(e.length/2),a=[].concat(e).sort(function(e,t){return e-t});return 0!=e.length%2?a[t]:(a[t-1]+a[t])/2},ri={trackingThreshold:30},ii=function(e){Ge(a,e);function a(a,n){var r,i=He(ri,n,{createEl:!1});r=e.call(this,a,i)||this;r.reset_();r.on(r.player_,"durationchange",r.handleDurationchange);if(it&&"hidden"in t&&"visibilityState"in t){r.on(t,"visibilitychange",r.handleVisibilityChange)}return r}var n=a.prototype;n.handleVisibilityChange=function(){if(this.player_.duration()!==1/0){return}if(t.hidden){this.stopTracking()}else{this.startTracking()}};n.isBehind_=function(){if(!this.timeupdateSeen_){return!1}var e=this.liveCurrentTime(),t=this.player_.currentTime(),a=2*this.seekableIncrement_+.07;return e!==1/0&&e-a>=t};n.trackLive_=function(){this.pastSeekEnd_=this.pastSeekEnd_;var e=this.player_.seekable();if(!e||!e.length){return}var t=this.seekableEnd();if(t!==this.lastSeekEnd_){if(this.lastSeekEnd_){this.seekableIncrementList_=this.seekableIncrementList_.slice(-11);this.seekableIncrementList_.push(Math.abs(t-this.lastSeekEnd_));if(3<this.seekableIncrementList_.length){this.seekableIncrement_=ni(this.seekableIncrementList_)}}this.pastSeekEnd_=0;this.lastSeekEnd_=t;this.trigger("seekableendchange")}if(this.pastSeekEnd()>1.5*this.seekableIncrement_){this.pastSeekEnd_=0}else{this.pastSeekEnd_=this.pastSeekEnd()+.03}if(this.isBehind_()!==this.behindLiveEdge()){this.behindLiveEdge_=this.isBehind_();this.trigger("liveedgechange")}};n.handleDurationchange=function(){if(this.player_.duration()===1/0&&this.liveWindow()>=this.options_.trackingThreshold){if(this.player_.options_.liveui){this.player_.addClass("vjs-liveui")}this.startTracking()}else{this.player_.removeClass("vjs-liveui");this.stopTracking()}};n.startTracking=function(){var e=this;if(this.isTracking()){return}if(!this.timeupdateSeen_){this.timeupdateSeen_=this.player_.hasStarted()}this.trackingInterval_=this.setInterval(this.trackLive_,be);this.trackLive_();this.on(this.player_,"play",this.trackLive_);this.on(this.player_,"pause",this.trackLive_);if(!this.timeupdateSeen_){this.one(this.player_,"play",this.handlePlay);this.handleTimeupdate=function(){e.timeupdateSeen_=!0;e.handleTimeupdate=null};this.one(this.player_,"timeupdate",this.handleTimeupdate)}};n.handlePlay=function(){this.one(this.player_,"timeupdate",this.seekToLiveEdge)};n.reset_=function(){this.pastSeekEnd_=0;this.lastSeekEnd_=null;this.behindLiveEdge_=null;this.timeupdateSeen_=!1;this.clearInterval(this.trackingInterval_);this.trackingInterval_=null;this.seekableIncrement_=12;this.seekableIncrementList_=[];this.off(this.player_,"play",this.trackLive_);this.off(this.player_,"pause",this.trackLive_);this.off(this.player_,"play",this.handlePlay);this.off(this.player_,"timeupdate",this.seekToLiveEdge);if(this.handleTimeupdate){this.off(this.player_,"timeupdate",this.handleTimeupdate);this.handleTimeupdate=null}};n.stopTracking=function(){if(!this.isTracking()){return}this.reset_()};n.seekableEnd=function(){var e=this.player_.seekable(),t=[],a=e?e.length:0;while(a--){t.push(e.end(a))}return t.length?t.sort()[t.length-1]:1/0};n.seekableStart=function(){var e=this.player_.seekable(),t=[],a=e?e.length:0;while(a--){t.push(e.start(a))}return t.length?t.sort()[0]:0};n.liveWindow=function(){var e=this.liveCurrentTime();if(e===1/0){return 1/0}return e-this.seekableStart()};n.isLive=function(){return this.isTracking()};n.atLiveEdge=function(){return!this.behindLiveEdge()};n.liveCurrentTime=function(){return this.pastSeekEnd()+this.seekableEnd()};n.pastSeekEnd=function(){return this.pastSeekEnd_};n.behindLiveEdge=function(){return this.behindLiveEdge_};n.isTracking=function(){return"number"==typeof this.trackingInterval_};n.seekToLiveEdge=function(){if(this.atLiveEdge()){return}this.player_.currentTime(this.liveCurrentTime());if(this.player_.paused()){this.player_.play()}};n.dispose=function(){this.stopTracking();e.prototype.dispose.call(this)};return a}(qe);qe.registerComponent("LiveTracker",ii);var si=function(e){var t=e.el();if(t.hasAttribute("src")){e.triggerSourceset(t.src);return!0}var a=e.$$("source"),n=[],r="";if(!a.length){return!1}for(var s=0,o;s<a.length;s++){o=a[s].src;if(o&&-1===n.indexOf(o)){n.push(o)}}if(!n.length){return!1}if(1===n.length){r=n[0]}e.triggerSourceset(r);return!0},oi=Object.defineProperty({},"innerHTML",{get:function(){return this.cloneNode(!0).innerHTML},set:function(a){var n=t.createElement(this.nodeName.toLowerCase());n.innerHTML=a;var r=t.createDocumentFragment();while(n.childNodes.length){r.appendChild(n.childNodes[0])}this.innerText="";e.Element.prototype.appendChild.call(this,r);return this.innerHTML}}),li=function(e,t){for(var a={},n=0;n<e.length;n++){a=Object.getOwnPropertyDescriptor(e[n],t);if(a&&a.set&&a.get){break}}a.enumerable=!0;a.configurable=!0;return a},di=function(t){return li([t.el(),e.HTMLMediaElement.prototype,e.Element.prototype,oi],"innerHTML")},pi=function(e){var t=e.el();if(t.resetSourceWatch_){return}var 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r=n.prototype;r.dispose=function(){if(this.el_&&this.el_.resetSourceset_){this.el_.resetSourceset_()}n.disposeMediaElement(this.el_);this.options_=null;a.prototype.dispose.call(this)};r.setupSourcesetHandling_=function(){mi(this)};r.restoreMetadataTracksInIOSNativePlayer_=function(){var e=this.textTracks(),t,a=function(){t=[];for(var a=0,n;a<e.length;a++){n=e[a];if("metadata"===n.kind){t.push({track:n,storedMode:n.mode})}}};a();e.addEventListener("change",a);this.on("dispose",function(){return e.removeEventListener("change",a)});var n=function a(){for(var n=0,r;n<t.length;n++){r=t[n];if("disabled"===r.track.mode&&r.track.mode!==r.storedMode){r.track.mode=r.storedMode}}e.removeEventListener("change",a)};this.on("webkitbeginfullscreen",function(){e.removeEventListener("change",a);e.removeEventListener("change",n);e.addEventListener("change",n)});this.on("webkitendfullscreen",function(){e.removeEventListener("change",a);e.addEventListener("change",a);e.removeEventListener("change",n)})};r.overrideNative_=function(e,t){var a=this;if(t!==this["featuresNative"+e+"Tracks"]){return}var n=e.toLowerCase();if(this[n+"TracksListeners_"]){Object.keys(this[n+"TracksListeners_"]).forEach(function(e){var t=a.el()[n+"Tracks"];t.removeEventListener(e,a[n+"TracksListeners_"][e])})}this["featuresNative"+e+"Tracks"]=!t;this[n+"TracksListeners_"]=null;this.proxyNativeTracksForType_(n)};r.overrideNativeAudioTracks=function(e){this.overrideNative_("Audio",e)};r.overrideNativeVideoTracks=function(e){this.overrideNative_("Video",e)};r.proxyNativeTracksForType_=function(e){var t=this,a=va[e],n=this.el()[a.getterName],r=this[a.getterName]();if(!this["featuresNative"+a.capitalName+"Tracks"]||!n||!n.addEventListener){return}var i={change:function(){var a={type:"change",target:r,currentTarget:r,srcElement:r};r.trigger(a);if("text"===e){t[Sa.remoteText.getterName]().trigger(a)}},addtrack:function(t){r.addTrack(t.track)},removetrack:function(t){r.removeTrack(t.track)}},s=function(){for(var e=[],t=0,a;t<r.length;t++){a=!1;for(var s=0;s<n.length;s++){if(n[s]===r[t]){a=!0;break}}if(!a){e.push(r[t])}}while(e.length){r.removeTrack(e.shift())}};this[a.getterName+"Listeners_"]=i;Object.keys(i).forEach(function(e){var a=i[e];n.addEventListener(e,a);t.on("dispose",function(){return n.removeEventListener(e,a)})});this.on("loadstart",s);this.on("dispose",function(){return t.off("loadstart",s)})};r.proxyNativeTracks_=function(){var e=this;va.names.forEach(function(t){e.proxyNativeTracksForType_(t)})};r.createEl=function(){var e=this.options_.tag;if(!e||!(this.options_.playerElIngest||this.movingMediaElementInDOM)){if(e){var a=e.cloneNode(!0);if(e.parentNode){e.parentNode.insertBefore(a,e)}n.disposeMediaElement(e);e=a}else{e=t.createElement("video");var r=this.options_.tag&&O(this.options_.tag),s=He({},r);if(!lt||!0!==this.options_.nativeControlsForTouch){delete s.controls}A(e,g(s,{id:this.options_.techId,class:"vjs-tech"}))}e.playerId=this.options_.playerId}if("undefined"!=typeof this.options_.preload){N(e,"preload",this.options_.preload)}for(var o=["loop","muted","playsinline","autoplay"],l=0;l<o.length;l++){var d=o[l],p=this.options_[d];if("undefined"!=typeof p){if(p){N(e,d,d)}else{U(e,d)}e[d]=p}}return e};r.handleLateInit_=function(e){if(0===e.networkState||3===e.networkState){return}if(0===e.readyState){var t=!1,a=function(){t=!0};this.on("loadstart",a);var n=function(){if(!t){this.trigger("loadstart")}};this.on("loadedmetadata",n);this.ready(function(){this.off("loadstart",a);this.off("loadedmetadata",n);if(!t){this.trigger("loadstart")}});return}var r=["loadstart","loadedmetadata"];if(2<=e.readyState){r.push("loadeddata")}if(3<=e.readyState){r.push("canplay")}if(4<=e.readyState){r.push("canplaythrough")}this.ready(function(){r.forEach(function(e){this.trigger(e)},this)})};r.setCurrentTime=function(e){try{this.el_.currentTime=e}catch(t){s(t,"Video is not ready. 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t=e.navigator&&e.navigator.userAgent||"";if(/Android/.test(t)||!/Chrome|Mac OS X 10.5/.test(t)){return!0}}return!1};r.enterFullScreen=function(){var e=this.el_;if(e.paused&&e.networkState<=e.HAVE_METADATA){this.el_.play();this.setTimeout(function(){e.pause();e.webkitEnterFullScreen()},0)}else{e.webkitEnterFullScreen()}};r.exitFullScreen=function(){this.el_.webkitExitFullScreen()};r.requestPictureInPicture=function(){return this.el_.requestPictureInPicture()};r.src=function(e){if(e===void 0){return this.el_.src}this.setSrc(e)};r.reset=function(){n.resetMediaElement(this.el_)};r.currentSrc=function(){if(this.currentSource_){return this.currentSource_.src}return this.el_.currentSrc};r.setControls=function(e){this.el_.controls=!!e};r.addTextTrack=function(e,t,n){if(!this.featuresNativeTextTracks){return a.prototype.addTextTrack.call(this,e,t,n)}return this.el_.addTextTrack(e,t,n)};r.createRemoteTextTrack=function(e){if(!this.featuresNativeTextTracks){return a.prototype.createRemoteTextTrack.call(this,e)}var n=t.createElement("track");if(e.kind){n.kind=e.kind}if(e.label){n.label=e.label}if(e.language||e.srclang){n.srclang=e.language||e.srclang}if(e["default"]){n["default"]=e["default"]}if(e.id){n.id=e.id}if(e.src){n.src=e.src}return n};r.addRemoteTextTrack=function(e,t){var n=a.prototype.addRemoteTextTrack.call(this,e,t);if(this.featuresNativeTextTracks){this.el().appendChild(n)}return n};r.removeRemoteTextTrack=function(e){a.prototype.removeRemoteTextTrack.call(this,e);if(this.featuresNativeTextTracks){var t=this.$$("track"),n=t.length;while(n--){if(e===t[n]||e===t[n].track){this.el().removeChild(t[n])}}}};r.getVideoPlaybackQuality=function(){if("function"==typeof this.el().getVideoPlaybackQuality){return this.el().getVideoPlaybackQuality()}var t={};if("undefined"!=typeof this.el().webkitDroppedFrameCount&&"undefined"!=typeof this.el().webkitDecodedFrameCount){t.droppedVideoFrames=this.el().webkitDroppedFrameCount;t.totalVideoFrames=this.el().webkitDecodedFrameCount}if(e.performance&&"function"==typeof e.performance.now){t.creationTime=e.performance.now()}else if(e.performance&&e.performance.timing&&"number"==typeof e.performance.timing.navigationStart){t.creationTime=e.Date.now()-e.performance.timing.navigationStart}return t};return n}(sn);gi(yi,"TEST_VID",function(){if(!v()){return}var e=t.createElement("video"),a=t.createElement("track");a.kind="captions";a.srclang="en";a.label="English";e.appendChild(a);return e});yi.isSupported=function(){try{yi.TEST_VID.volume=.5}catch(t){return!1}return!!(yi.TEST_VID&&yi.TEST_VID.canPlayType)};yi.canPlayType=function(e){return yi.TEST_VID.canPlayType(e)};yi.canPlaySource=function(e){return yi.canPlayType(e.type)};yi.canControlVolume=function(){try{var e=yi.TEST_VID.volume;yi.TEST_VID.volume=e/2+.1;return e!==yi.TEST_VID.volume}catch(t){return!1}};yi.canMuteVolume=function(){try{var e=yi.TEST_VID.muted;yi.TEST_VID.muted=!e;if(yi.TEST_VID.muted){N(yi.TEST_VID,"muted","muted")}else{U(yi.TEST_VID,"muted","muted")}return e!==yi.TEST_VID.muted}catch(t){return!1}};yi.canControlPlaybackRate=function(){if(Je&&nt&&58>rt){return!1}try{var e=yi.TEST_VID.playbackRate;yi.TEST_VID.playbackRate=e/2+.1;return e!==yi.TEST_VID.playbackRate}catch(t){return!1}};yi.canOverrideAttributes=function(){try{var e=function(){};Object.defineProperty(t.createElement("video"),"src",{get:e,set:e});Object.defineProperty(t.createElement("audio"),"src",{get:e,set:e});Object.defineProperty(t.createElement("video"),"innerHTML",{get:e,set:e});Object.defineProperty(t.createElement("audio"),"innerHTML",{get:e,set:e})}catch(t){return!1}return!0};yi.supportsNativeTextTracks=function(){return ct||ut&&nt};yi.supportsNativeVideoTracks=function(){return!!(yi.TEST_VID&&yi.TEST_VID.videoTracks)};yi.supportsNativeAudioTracks=function(){return!!(yi.TEST_VID&&yi.TEST_VID.audioTracks)};yi.Events=["loadstart","suspend","abort","error","emptied","stalled","loadedmetadata","loadeddata","canplay","canplaythrough","playing","waiting","seeking","seeked","ended","durationchange","timeupdate","progress","play","pause","ratechange","resize","volumechange"];[["featuresVolumeControl","canControlVolume"],["featuresMuteControl","canMuteVolume"],["featuresPlaybackRate","canControlPlaybackRate"],["featuresSourceset","canOverrideAttributes"],["featuresNativeTextTracks","supportsNativeTextTracks"],["featuresNativeVideoTracks","supportsNativeVideoTracks"],["featuresNativeAudioTracks","supportsNativeAudioTracks"]].forEach(function(e){var t=e[0],a=e[1];gi(yi.prototype,t,function(){return yi[a]()},!0)});yi.prototype.movingMediaElementInDOM=!ut;yi.prototype.featuresFullscreenResize=!0;yi.prototype.featuresProgressEvents=!0;yi.prototype.featuresTimeupdateEvents=!0;var hi;yi.patchCanPlayType=function(){if(4<=Ze&&!tt&&!nt){hi=yi.TEST_VID&&yi.TEST_VID.constructor.prototype.canPlayType;yi.TEST_VID.constructor.prototype.canPlayType=function(e){if(e&&/^application\/(?:x-|vnd\.apple\.)mpegurl/i.test(e)){return"maybe"}return hi.call(this,e)}}};yi.unpatchCanPlayType=function(){var e=yi.TEST_VID.constructor.prototype.canPlayType;if(hi){yi.TEST_VID.constructor.prototype.canPlayType=hi}return e};yi.patchCanPlayType();yi.disposeMediaElement=function(e){if(!e){return}if(e.parentNode){e.parentNode.removeChild(e)}while(e.hasChildNodes()){e.removeChild(e.firstChild)}e.removeAttribute("src");if("function"==typeof e.load){(function(){try{e.load()}catch(t){}})()}};yi.resetMediaElement=function(e){if(!e){return}var t=e.querySelectorAll("source"),a=t.length;while(a--){e.removeChild(t[a])}e.removeAttribute("src");if("function"==typeof e.load){(function(){try{e.load()}catch(t){}})()}};["muted","defaultMuted","autoplay","controls","loop","playsinline"].forEach(function(e){yi.prototype[e]=function(){return this.el_[e]||this.el_.hasAttribute(e)}});["muted","defaultMuted","autoplay","loop","playsinline"].forEach(function(e){yi.prototype["set"+je(e)]=function(t){this.el_[e]=t;if(t){this.el_.setAttribute(e,e)}else{this.el_.removeAttribute(e)}}});["paused","currentTime","buffered","volume","poster","preload","error","seeking","seekable","ended","playbackRate","defaultPlaybackRate","played","networkState","readyState","videoWidth","videoHeight"].forEach(function(e){yi.prototype[e]=function(){return this.el_[e]}});["volume","src","poster","preload","playbackRate","defaultPlaybackRate"].forEach(function(e){yi.prototype["set"+je(e)]=function(t){this.el_[e]=t}});["pause","load","play"].forEach(function(e){yi.prototype[e]=function(){return this.el_[e]()}});sn.withSourceHandlers(yi);yi.nativeSourceHandler={};yi.nativeSourceHandler.canPlayType=function(e){try{return yi.TEST_VID.canPlayType(e)}catch(t){return""}};yi.nativeSourceHandler.canHandleSource=function(e){if(e.type){return yi.nativeSourceHandler.canPlayType(e.type)}else if(e.src){var t=ta(e.src);return yi.nativeSourceHandler.canPlayType("video/"+t)}return""};yi.nativeSourceHandler.handleSource=function(e,t){t.setSrc(e.src)};yi.nativeSourceHandler.dispose=function(){};yi.registerSourceHandler(yi.nativeSourceHandler);sn.registerTech("Html5",yi);var fi=["progress","abort","suspend","emptied","stalled","loadedmetadata","loadeddata","timeupdate","resize","volumechange","texttrackchange"],Ti={canplay:"CanPlay",canplaythrough:"CanPlayThrough",playing:"Playing",seeked:"Seeked"},bi=["tiny","xsmall","small","medium","large","xlarge","huge"],vi={};bi.forEach(function(e){var t="x"===e.charAt(0)?"x-"+e.substring(1):e;vi[e]="vjs-layout-"+t});var Si={tiny:210,xsmall:320,small:425,medium:768,large:1440,xlarge:2560,huge:1/0},ki=function(a){Ge(n,a);function n(e,r,i){var s;e.id=e.id||r.id||"vjs_video_"+ie();r=g(n.getTagSettings(e),r);r.initChildren=!1;r.createEl=!1;r.evented=!1;r.reportTouchActivity=!1;if(!r.language){if("function"==typeof e.closest){var l=e.closest("[lang]");if(l&&l.getAttribute){r.language=l.getAttribute("lang")}}else{var d=e;while(d&&1===d.nodeType){if(O(d).hasOwnProperty("lang")){r.language=d.getAttribute("lang");break}d=d.parentNode}}}s=a.call(this,null,r,i)||this;s.boundDocumentFullscreenChange_=ve(Ve(s),s.documentFullscreenChange_);s.boundFullWindowOnEscKey_=ve(Ve(s),s.fullWindowOnEscKey);s.isFullscreen_=!1;s.log=o(s.id_);s.fsApi_=Tt;s.isPosterFromTech_=!1;s.queuedCallbacks_=[];s.isReady_=!1;s.hasStarted_=!1;s.userActive_=!1;if(!s.options_||!s.options_.techOrder||!s.options_.techOrder.length){throw new Error("No techOrder specified. Did you overwrite videojs.options instead of just changing the properties you want to override?")}s.tag=e;s.tagAttributes=e&&O(e);s.language(s.options_.language);if(r.languages){var p={};Object.getOwnPropertyNames(r.languages).forEach(function(e){p[e.toLowerCase()]=r.languages[e]});s.languages_=p}else{s.languages_=n.prototype.options_.languages}s.resetCache_();s.poster_=r.poster||"";s.controls_=!!r.controls;e.controls=!1;e.removeAttribute("controls");s.changingSrc_=!1;s.playCallbacks_=[];s.playTerminatedQueue_=[];if(e.hasAttribute("autoplay")){s.autoplay(!0)}else{s.autoplay(s.options_.autoplay)}if(r.plugins){Object.keys(r.plugins).forEach(function(e){if("function"!=typeof s[e]){throw new Error("plugin \""+e+"\" does not exist")}})}s.scrubbing_=!1;s.el_=s.createEl();Ne(Ve(s),{eventBusKey:"el_"});if(s.fsApi_.requestFullscreen){ge(t,s.fsApi_.fullscreenchange,s.boundDocumentFullscreenChange_);s.on(s.fsApi_.fullscreenchange,s.boundDocumentFullscreenChange_)}if(s.fluid_){s.on("playerreset",s.updateStyleEl_)}var u=He(s.options_);if(r.plugins){Object.keys(r.plugins).forEach(function(e){s[e](r.plugins[e])})}s.options_.playerOptions=u;s.middleware_=[];s.initChildren();s.isAudio("audio"===e.nodeName.toLowerCase());if(s.controls()){s.addClass("vjs-controls-enabled")}else{s.addClass("vjs-controls-disabled")}s.el_.setAttribute("role","region");if(s.isAudio()){s.el_.setAttribute("aria-label",s.localize("Audio Player"))}else{s.el_.setAttribute("aria-label",s.localize("Video Player"))}if(s.isAudio()){s.addClass("vjs-audio")}if(s.flexNotSupported_()){s.addClass("vjs-no-flex")}if(lt){s.addClass("vjs-touch-enabled")}if(!ut){s.addClass("vjs-workinghover")}n.players[s.id_]=Ve(s);var c="7.7.6".split(".")[0];s.addClass("vjs-v"+c);s.userActive(!0);s.reportUserActivity();s.one("play",s.listenForUserActivity_);s.on("stageclick",s.handleStageClick_);s.on("keydown",s.handleKeyDown);s.breakpoints(s.options_.breakpoints);s.responsive(s.options_.responsive);return s}var r=n.prototype;r.dispose=function(){var e=this;this.trigger("dispose");this.off("dispose");ye(t,this.fsApi_.fullscreenchange,this.boundDocumentFullscreenChange_);ye(t,"keydown",this.boundFullWindowOnEscKey_);if(this.styleEl_&&this.styleEl_.parentNode){this.styleEl_.parentNode.removeChild(this.styleEl_);this.styleEl_=null}n.players[this.id_]=null;if(this.tag&&this.tag.player){this.tag.player=null}if(this.el_&&this.el_.player){this.el_.player=null}if(this.tech_){this.tech_.dispose();this.isPosterFromTech_=!1;this.poster_=""}if(this.playerElIngest_){this.playerElIngest_=null}if(this.tag){this.tag=null}bn(this);ka.names.forEach(function(t){var a=ka[t],n=e[a.getterName]();if(n&&n.off){n.off()}});a.prototype.dispose.call(this)};r.createEl=function(){var n=this.tag,r,s=this.playerElIngest_=n.parentNode&&n.parentNode.hasAttribute&&n.parentNode.hasAttribute("data-vjs-player"),o="video-js"===this.tag.tagName.toLowerCase();if(s){r=this.el_=n.parentNode}else if(!o){r=this.el_=a.prototype.createEl.call(this,"div")}var l=O(n);if(o){r=this.el_=n;n=this.tag=t.createElement("video");while(r.children.length){n.appendChild(r.firstChild)}if(!L(r,"video-js")){P(r,"video-js")}r.appendChild(n);s=this.playerElIngest_=r;Object.keys(r).forEach(function(e){try{n[e]=r[e]}catch(t){}})}n.setAttribute("tabindex","-1");l.tabindex="-1";if(it||nt&&ot){n.setAttribute("role","application");l.role="application"}n.removeAttribute("width");n.removeAttribute("height");if("width"in l){delete l.width}if("height"in l){delete l.height}Object.getOwnPropertyNames(l).forEach(function(e){if(!(o&&"class"===e)){r.setAttribute(e,l[e])}if(o){n.setAttribute(e,l[e])}});n.playerId=n.id;n.id+="_html5_api";n.className="vjs-tech";n.player=r.player=this;this.addClass("vjs-paused");if(!0!==e.VIDEOJS_NO_DYNAMIC_STYLE){this.styleEl_=ae("vjs-styles-dimensions");var d=Y(".vjs-styles-defaults"),p=Y("head");p.insertBefore(this.styleEl_,d?d.nextSibling:p.firstChild)}this.fill_=!1;this.fluid_=!1;this.width(this.options_.width);this.height(this.options_.height);this.fill(this.options_.fill);this.fluid(this.options_.fluid);this.aspectRatio(this.options_.aspectRatio);for(var u=n.getElementsByTagName("a"),c=0,m;c<u.length;c++){m=u.item(c);P(m,"vjs-hidden");m.setAttribute("hidden","hidden")}n.initNetworkState_=n.networkState;if(n.parentNode&&!s){n.parentNode.insertBefore(r,n)}x(n,r);this.children_.unshift(n);this.el_.setAttribute("lang",this.language_);this.el_=r;return r};r.width=function(e){return this.dimension("width",e)};r.height=function(e){return this.dimension("height",e)};r.dimension=function(e,t){var a=e+"_";if(t===void 0){return this[a]||0}if(""===t||"auto"===t){this[a]=void 0;this.updateStyleEl_();return}var n=parseFloat(t);if(isNaN(n)){s.error("Improper value \""+t+"\" supplied for for "+e);return}this[a]=n;this.updateStyleEl_()};r.fluid=function(e){if(e===void 0){return!!this.fluid_}this.fluid_=!!e;if(Ie(this)){this.off("playerreset",this.updateStyleEl_)}if(e){this.addClass("vjs-fluid");this.fill(!1);xe(function(){this.on("playerreset",this.updateStyleEl_)})}else{this.removeClass("vjs-fluid")}this.updateStyleEl_()};r.fill=function(e){if(e===void 0){return!!this.fill_}this.fill_=!!e;if(e){this.addClass("vjs-fill");this.fluid(!1)}else{this.removeClass("vjs-fill")}};r.aspectRatio=function(e){if(e===void 0){return this.aspectRatio_}if(!/^\d+\:\d+$/.test(e)){throw new Error("Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.")}this.aspectRatio_=e;this.fluid(!0);this.updateStyleEl_()};r.updateStyleEl_=function(){if(!0===e.VIDEOJS_NO_DYNAMIC_STYLE){var t="number"==typeof this.width_?this.width_:this.options_.width,a="number"==typeof this.height_?this.height_:this.options_.height,n=this.tech_&&this.tech_.el();if(n){if(0<=t){n.width=t}if(0<=a){n.height=a}}return}var r,i,s,o;if(this.aspectRatio_!==void 0&&"auto"!==this.aspectRatio_){s=this.aspectRatio_}else if(0<this.videoWidth()){s=this.videoWidth()+":"+this.videoHeight()}else{s="16:9"}var l=s.split(":"),d=l[1]/l[0];if(this.width_!==void 0){r=this.width_}else if(this.height_!==void 0){r=this.height_/d}else{r=this.videoWidth()||300}if(this.height_!==void 0){i=this.height_}else{i=r*d}if(/^[^a-zA-Z]/.test(this.id())){o="dimensions-"+this.id()}else{o=this.id()+"-dimensions"}this.addClass(o);ne(this.styleEl_,"\n      ."+o+" {\n        width: "+r+"px;\n        height: "+i+"px;\n      }\n\n      ."+o+".vjs-fluid {\n        padding-top: "+100*d+"%;\n      }\n    ")};r.loadTech_=function(e,t){var a=this;if(this.tech_){this.unloadTech_()}var n=je(e),r=e.charAt(0).toLowerCase()+e.slice(1);if("Html5"!==n&&this.tag){sn.getTech("Html5").disposeMediaElement(this.tag);this.tag.player=null;this.tag=null}this.techName_=n;this.isReady_=!1;var i="string"==typeof this.autoplay()?!1:this.autoplay(),s={source:t,autoplay:i,nativeControlsForTouch:this.options_.nativeControlsForTouch,playerId:this.id(),techId:this.id()+"_"+r+"_api",playsinline:this.options_.playsinline,preload:this.options_.preload,loop:this.options_.loop,muted:this.options_.muted,poster:this.poster(),language:this.language(),playerElIngest:this.playerElIngest_||!1,"vtt.js":this.options_["vtt.js"],canOverridePoster:!!this.options_.techCanOverridePoster,enableSourceset:this.options_.enableSourceset,Promise:this.options_.Promise};ka.names.forEach(function(e){var t=ka[e];s[t.getterName]=a[t.privateName]});g(s,this.options_[n]);g(s,this.options_[r]);g(s,this.options_[e.toLowerCase()]);if(this.tag){s.tag=this.tag}if(t&&t.src===this.cache_.src&&0<this.cache_.currentTime){s.startTime=this.cache_.currentTime}var o=sn.getTech(e);if(!o){throw new Error("No Tech named '"+n+"' exists! '"+n+"' should be registered using videojs.registerTech()'")}this.tech_=new o(s);this.tech_.ready(ve(this,this.handleTechReady_),!0);Dt.jsonToTextTracks(this.textTracksJson_||[],this.tech_);fi.forEach(function(e){a.on(a.tech_,e,a["handleTech"+je(e)+"_"])});Object.keys(Ti).forEach(function(e){a.on(a.tech_,e,function(t){if(0===a.tech_.playbackRate()&&a.tech_.seeking()){a.queuedCallbacks_.push({callback:a["handleTech"+Ti[e]+"_"].bind(a),event:t});return}a["handleTech"+Ti[e]+"_"](t)})});this.on(this.tech_,"loadstart",this.handleTechLoadStart_);this.on(this.tech_,"sourceset",this.handleTechSourceset_);this.on(this.tech_,"waiting",this.handleTechWaiting_);this.on(this.tech_,"ended",this.handleTechEnded_);this.on(this.tech_,"seeking",this.handleTechSeeking_);this.on(this.tech_,"play",this.handleTechPlay_);this.on(this.tech_,"firstplay",this.handleTechFirstPlay_);this.on(this.tech_,"pause",this.handleTechPause_);this.on(this.tech_,"durationchange",this.handleTechDurationChange_);this.on(this.tech_,"fullscreenchange",this.handleTechFullscreenChange_);this.on(this.tech_,"enterpictureinpicture",this.handleTechEnterPictureInPicture_);this.on(this.tech_,"leavepictureinpicture",this.handleTechLeavePictureInPicture_);this.on(this.tech_,"error",this.handleTechError_);this.on(this.tech_,"loadedmetadata",this.updateStyleEl_);this.on(this.tech_,"posterchange",this.handleTechPosterChange_);this.on(this.tech_,"textdata",this.handleTechTextData_);this.on(this.tech_,"ratechange",this.handleTechRateChange_);this.usingNativeControls(this.techGet_("controls"));if(this.controls()&&!this.usingNativeControls()){this.addTechControlsListeners_()}if(this.tech_.el().parentNode!==this.el()&&("Html5"!==n||!this.tag)){x(this.tech_.el(),this.el())}if(this.tag){this.tag.player=null;this.tag=null}};r.unloadTech_=function(){var e=this;ka.names.forEach(function(t){var a=ka[t];e[a.privateName]=e[a.getterName]()});this.textTracksJson_=Dt.textTracksToJson(this.tech_);this.isReady_=!1;this.tech_.dispose();this.tech_=!1;if(this.isPosterFromTech_){this.poster_="";this.trigger("posterchange")}this.isPosterFromTech_=!1};r.tech=function(e){if(e===void 0){s.warn("Using the tech directly can be dangerous. I hope you know what you're doing.\nSee https://github.com/videojs/video.js/issues/2617 for more info.\n")}return this.tech_};r.addTechControlsListeners_=function(){this.removeTechControlsListeners_();this.on(this.tech_,"mouseup",this.handleTechClick_);this.on(this.tech_,"dblclick",this.handleTechDoubleClick_);this.on(this.tech_,"touchstart",this.handleTechTouchStart_);this.on(this.tech_,"touchmove",this.handleTechTouchMove_);this.on(this.tech_,"touchend",this.handleTechTouchEnd_);this.on(this.tech_,"tap",this.handleTechTap_)};r.removeTechControlsListeners_=function(){this.off(this.tech_,"tap",this.handleTechTap_);this.off(this.tech_,"touchstart",this.handleTechTouchStart_);this.off(this.tech_,"touchmove",this.handleTechTouchMove_);this.off(this.tech_,"touchend",this.handleTechTouchEnd_);this.off(this.tech_,"mouseup",this.handleTechClick_);this.off(this.tech_,"dblclick",this.handleTechDoubleClick_)};r.handleTechReady_=function(){this.triggerReady();if(this.cache_.volume){this.techCall_("setVolume",this.cache_.volume)}this.handleTechPosterChange_();this.handleTechDurationChange_()};r.handleTechLoadStart_=function(){this.removeClass("vjs-ended");this.removeClass("vjs-seeking");this.error(null);this.handleTechDurationChange_();if(!this.paused()){this.trigger("loadstart");this.trigger("firstplay")}else{this.hasStarted(!1);this.trigger("loadstart")}this.manualAutoplay_(this.autoplay())};r.manualAutoplay_=function(e){var t=this;if(!this.tech_||"string"!=typeof e){return}var a=function(){var e=t.muted();t.muted(!0);var a=function(){t.muted(e)};t.playTerminatedQueue_.push(a);var n=t.play();if(!xt(n)){return}return n["catch"](a)},n;if("any"===e&&!0!==this.muted()){n=this.play();if(xt(n)){n=n["catch"](a)}}else if("muted"===e&&!0!==this.muted()){n=a()}else{n=this.play()}if(!xt(n)){return}return n.then(function(){t.trigger({type:"autoplay-success",autoplay:e})})["catch"](function(){t.trigger({type:"autoplay-failure",autoplay:e})})};r.updateSourceCaches_=function(e){if(void 0===e){e=""}var t=e,a="";if("string"!=typeof t){t=e.src;a=e.type}this.cache_.source=this.cache_.source||{};this.cache_.sources=this.cache_.sources||[];if(t&&!a){a=En(this,t)}this.cache_.source=He({},e,{src:t,type:a});for(var n=this.cache_.sources.filter(function(e){return e.src&&e.src===t}),r=[],s=this.$$("source"),o=[],l=0,d;l<s.length;l++){d=O(s[l]);r.push(d);if(d.src&&d.src===t){o.push(d.src)}}if(o.length&&!n.length){this.cache_.sources=r}else if(!n.length){this.cache_.sources=[this.cache_.source]}this.cache_.src=t};r.handleTechSourceset_=function(e){var t=this;if(!this.changingSrc_){var a=function(e){return t.updateSourceCaches_(e)},n=this.currentSource().src,r=e.src;if(n&&!/^blob:/.test(n)&&/^blob:/.test(r)){if(!this.lastSource_||this.lastSource_.tech!==r&&this.lastSource_.player!==n){a=function(){}}}a(r);if(!e.src){this.tech_.any(["sourceset","loadstart"],function(a){if("sourceset"===a.type){return}var e=t.techGet("currentSrc");t.lastSource_.tech=e;t.updateSourceCaches_(e)})}}this.lastSource_={player:this.currentSource().src,tech:e.src};this.trigger({src:e.src,type:"sourceset"})};r.hasStarted=function(e){if(e===void 0){return this.hasStarted_}if(e===this.hasStarted_){return}this.hasStarted_=e;if(this.hasStarted_){this.addClass("vjs-has-started");this.trigger("firstplay")}else{this.removeClass("vjs-has-started")}};r.handleTechPlay_=function(){this.removeClass("vjs-ended");this.removeClass("vjs-paused");this.addClass("vjs-playing");this.hasStarted(!0);this.trigger("play")};r.handleTechRateChange_=function(){if(0<this.tech_.playbackRate()&&0===this.cache_.lastPlaybackRate){this.queuedCallbacks_.forEach(function(e){return e.callback(e.event)});this.queuedCallbacks_=[]}this.cache_.lastPlaybackRate=this.tech_.playbackRate();this.trigger("ratechange")};r.handleTechWaiting_=function(){var e=this;this.addClass("vjs-waiting");this.trigger("waiting");var t=this.currentTime();this.on("timeupdate",function a(){if(t!==e.currentTime()){e.removeClass("vjs-waiting");e.off("timeupdate",a)}})};r.handleTechCanPlay_=function(){this.removeClass("vjs-waiting");this.trigger("canplay")};r.handleTechCanPlayThrough_=function(){this.removeClass("vjs-waiting");this.trigger("canplaythrough")};r.handleTechPlaying_=function(){this.removeClass("vjs-waiting");this.trigger("playing")};r.handleTechSeeking_=function(){this.addClass("vjs-seeking");this.trigger("seeking")};r.handleTechSeeked_=function(){this.removeClass("vjs-seeking");this.removeClass("vjs-ended");this.trigger("seeked")};r.handleTechFirstPlay_=function(){if(this.options_.starttime){s.warn("Passing the `starttime` option to the player will be deprecated in 6.0");this.currentTime(this.options_.starttime)}this.addClass("vjs-has-started");this.trigger("firstplay")};r.handleTechPause_=function(){this.removeClass("vjs-playing");this.addClass("vjs-paused");this.trigger("pause")};r.handleTechEnded_=function(){this.addClass("vjs-ended");if(this.options_.loop){this.currentTime(0);this.play()}else if(!this.paused()){this.pause()}this.trigger("ended")};r.handleTechDurationChange_=function(){this.duration(this.techGet_("duration"))};r.handleTechClick_=function(e){if(!K(e)){return}if(!this.controls_){return}if(this.paused()){Lt(this.play())}else{this.pause()}};r.handleTechDoubleClick_=function(e){if(!this.controls_){return}var t=Array.prototype.some.call(this.$$(".vjs-control-bar, .vjs-modal-dialog"),function(t){return t.contains(e.target)});if(!t){if(this.options_===void 0||this.options_.userActions===void 0||this.options_.userActions.doubleClick===void 0||!1!==this.options_.userActions.doubleClick){if(this.options_!==void 0&&this.options_.userActions!==void 0&&"function"==typeof this.options_.userActions.doubleClick){this.options_.userActions.doubleClick.call(this,e)}else if(this.isFullscreen()){this.exitFullscreen()}else{this.requestFullscreen()}}}};r.handleTechTap_=function(){this.userActive(!this.userActive())};r.handleTechTouchStart_=function(){this.userWasActive=this.userActive()};r.handleTechTouchMove_=function(){if(this.userWasActive){this.reportUserActivity()}};r.handleTechTouchEnd_=function(e){e.preventDefault()};r.handleStageClick_=function(){this.reportUserActivity()};r.toggleFullscreenClass_=function(){if(this.isFullscreen()){this.addClass("vjs-fullscreen")}else{this.removeClass("vjs-fullscreen")}};r.documentFullscreenChange_=function(a){var e=a.target.player;if(e&&e!==this){return}var n=this.el(),r=t[this.fsApi_.fullscreenElement]===n;if(!r&&n.matches){r=n.matches(":"+this.fsApi_.fullscreen)}else if(!r&&n.msMatchesSelector){r=n.msMatchesSelector(":"+this.fsApi_.fullscreen)}this.isFullscreen(r)};r.handleTechFullscreenChange_=function(e,t){if(t){this.isFullscreen(t.isFullscreen)}};r.togglePictureInPictureClass_=function(){if(this.isInPictureInPicture()){this.addClass("vjs-picture-in-picture")}else{this.removeClass("vjs-picture-in-picture")}};r.handleTechEnterPictureInPicture_=function(){this.isInPictureInPicture(!0)};r.handleTechLeavePictureInPicture_=function(){this.isInPictureInPicture(!1)};r.handleTechError_=function(){var e=this.tech_.error();this.error(e)};r.handleTechTextData_=function(){var e=null;if(1<arguments.length){e=arguments[1]}this.trigger("textdata",e)};r.getCache=function(){return this.cache_};r.resetCache_=function(){this.cache_={currentTime:0,inactivityTimeout:this.options_.inactivityTimeout,duration:NaN,lastVolume:1,lastPlaybackRate:this.defaultPlaybackRate(),media:null,src:"",source:{},sources:[],volume:1}};r.techCall_=function(e,t){this.ready(function(){if(e in hn){return mn(this.middleware_,this.tech_,e,t)}else if(e in _n){return gn(this.middleware_,this.tech_,e,t)}try{if(this.tech_){this.tech_[e](t)}}catch(t){s(t);throw t}},!0)};r.techGet_=function(t){if(!this.tech_||!this.tech_.isReady_){return}if(t in yn){return cn(this.middleware_,this.tech_,t)}else if(t in _n){return gn(this.middleware_,this.tech_,t)}try{return this.tech_[t]()}catch(a){if(this.tech_[t]===void 0){s("Video.js: "+t+" method not defined for "+this.techName_+" playback technology.",a);throw a}if("TypeError"===a.name){s("Video.js: "+t+" unavailable on "+this.techName_+" playback technology element.",a);this.tech_.isReady_=!1;throw a}s(a);throw a}};r.play=function(){var t=this,a=this.options_.Promise||e.Promise;if(a){return new a(function(e){t.play_(e)})}return this.play_()};r.play_=function(e){var t=this;if(void 0===e){e=Lt}this.playCallbacks_.push(e);var a=!!(!this.changingSrc_&&(this.src()||this.currentSrc()));if(this.waitToPlay_){this.off(["ready","loadstart"],this.waitToPlay_);this.waitToPlay_=null}if(!this.isReady_||!a){this.waitToPlay_=function(){t.play_()};this.one(["ready","loadstart"],this.waitToPlay_);if(!a&&(ct||ut)){this.load()}return}var n=this.techGet_("play");if(null===n){this.runPlayTerminatedQueue_()}else{this.runPlayCallbacks_(n)}};r.runPlayTerminatedQueue_=function(){var e=this.playTerminatedQueue_.slice(0);this.playTerminatedQueue_=[];e.forEach(function(e){e()})};r.runPlayCallbacks_=function(e){var t=this.playCallbacks_.slice(0);this.playCallbacks_=[];this.playTerminatedQueue_=[];t.forEach(function(t){t(e)})};r.pause=function(){this.techCall_("pause")};r.paused=function(){return!1===this.techGet_("paused")?!1:!0};r.played=function(){return this.techGet_("played")||_t(0,0)};r.scrubbing=function(e){if("undefined"==typeof e){return this.scrubbing_}this.scrubbing_=!!e;if(e){this.addClass("vjs-scrubbing")}else{this.removeClass("vjs-scrubbing")}};r.currentTime=function(e){if("undefined"!=typeof e){if(0>e){e=0}this.techCall_("setCurrentTime",e);return}this.cache_.currentTime=this.techGet_("currentTime")||0;return this.cache_.currentTime};r.duration=function(e){if(e===void 0){return this.cache_.duration!==void 0?this.cache_.duration:NaN}e=parseFloat(e);if(0>e){e=1/0}if(e!==this.cache_.duration){this.cache_.duration=e;if(e===1/0){this.addClass("vjs-live")}else{this.removeClass("vjs-live")}if(!isNaN(e)){this.trigger("durationchange")}}};r.remainingTime=function(){return this.duration()-this.currentTime()};r.remainingTimeDisplay=function(){return Math.floor(this.duration())-Math.floor(this.currentTime())};r.buffered=function e(){var e=this.techGet_("buffered");if(!e||!e.length){e=_t(0,0)}return e};r.bufferedPercent=function(){return ft(this.buffered(),this.duration())};r.bufferedEnd=function(){var e=this.buffered(),t=this.duration(),a=e.end(e.length-1);if(a>t){a=t}return a};r.volume=function(e){var t;if(e!==void 0){t=Math.max(0,Math.min(1,parseFloat(e)));this.cache_.volume=t;this.techCall_("setVolume",t);if(0<t){this.lastVolume_(t)}return}t=parseFloat(this.techGet_("volume"));return isNaN(t)?1:t};r.muted=function(e){if(e!==void 0){this.techCall_("setMuted",e);return}return this.techGet_("muted")||!1};r.defaultMuted=function(e){if(e!==void 0){return this.techCall_("setDefaultMuted",e)}return this.techGet_("defaultMuted")||!1};r.lastVolume_=function(e){if(e!==void 0&&0!==e){this.cache_.lastVolume=e;return}return this.cache_.lastVolume};r.supportsFullScreen=function(){return this.techGet_("supportsFullScreen")||!1};r.isFullscreen=function(e){if(e!==void 0){var t=this.isFullscreen_;this.isFullscreen_=!!e;if(this.isFullscreen_!==t&&this.fsApi_.prefixed){this.trigger("fullscreenchange")}this.toggleFullscreenClass_();return}return this.isFullscreen_};r.requestFullscreen=function(e){var t=this,a;if(!this.fsApi_.prefixed){a=this.options_.fullscreen&&this.options_.fullscreen.options||{};if(e!==void 0){a=e}}if(this.fsApi_.requestFullscreen){var n=this.el_[this.fsApi_.requestFullscreen](a);if(n){n.then(function(){return t.isFullscreen(!0)},function(){return t.isFullscreen(!1)})}return n}else if(this.tech_.supportsFullScreen()){this.techCall_("enterFullScreen")}else{this.enterFullWindow()}};r.exitFullscreen=function(){var e=this;if(this.fsApi_.requestFullscreen){var a=t[this.fsApi_.exitFullscreen]();if(a){a.then(function(){return e.isFullscreen(!1)})}return a}else 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this.techGet_("requestPictureInPicture")}};r.exitPictureInPicture=function(){if("pictureInPictureEnabled"in t){return t.exitPictureInPicture()}};r.handleKeyDown=function(e){var t=this.options_.userActions;if(!t||!t.hotkeys){return}if(function(e){var t=e.tagName.toLowerCase();if(e.isContentEditable){return!0}if("input"===t){return-1===["button","checkbox","hidden","radio","reset","submit"].indexOf(e.type)}return-1!==["textarea"].indexOf(t)}(this.el_.ownerDocument.activeElement)){return}if("function"==typeof t.hotkeys){t.hotkeys.call(this,e)}else{this.handleHotkeys(e)}};r.handleHotkeys=function(e){var a=this.options_.userActions?this.options_.userActions.hotkeys:{},n=a.fullscreenKey,r=void 0===n?function(e){return wt.isEventKey(e,"f")}:n,i=a.muteKey,s=void 0===i?function(e){return wt.isEventKey(e,"m")}:i,o=a.playPauseKey,l=void 0===o?function(e){return wt.isEventKey(e,"k")||wt.isEventKey(e,"Space")}:o;if(r.call(this,e)){e.preventDefault();e.stopPropagation();var 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this.error_||null}if(this.options_.suppressNotSupportedError&&e&&4===e.code){var t=function(){this.error(e)};this.options_.suppressNotSupportedError=!1;this.any(["click","touchstart"],t);this.one("loadstart",function(){this.off(["click","touchstart"],t)});return}if(null===e){this.error_=e;this.removeClass("vjs-error");if(this.errorDisplay){this.errorDisplay.close()}return}this.error_=new Et(e);this.addClass("vjs-error");s.error("(CODE:"+this.error_.code+" "+Et.errorTypes[this.error_.code]+")",this.error_.message,this.error_);this.trigger("error")};r.reportUserActivity=function(){this.userActivity_=!0};r.userActive=function(e){if(e===void 0){return 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o=this.getChild("controlBar");if(o&&!ut&&!Je){o.on("mouseenter",function(){this.player().cache_.inactivityTimeout=this.player().options_.inactivityTimeout;this.player().options_.inactivityTimeout=0});o.on("mouseleave",function(){this.player().options_.inactivityTimeout=this.player().cache_.inactivityTimeout})}this.on("keydown",n);this.on("keyup",n);var l;this.setInterval(function(){if(!this.userActivity_){return}this.userActivity_=!1;this.userActive(!0);this.clearTimeout(l);var e=this.options_.inactivityTimeout;if(0>=e){return}l=this.setTimeout(function(){if(!this.userActivity_){this.userActive(!1)}},e)},250)};r.playbackRate=function(e){if(e!==void 0){this.techCall_("setPlaybackRate",e);return}if(this.tech_&&this.tech_.featuresPlaybackRate){return this.cache_.lastPlaybackRate||this.techGet_("playbackRate")}return 1};r.defaultPlaybackRate=function(e){if(e!==void 0){return this.techCall_("setDefaultPlaybackRate",e)}if(this.tech_&&this.tech_.featuresPlaybackRate){return 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t=ka[e];ki.prototype[t.getterName]=function(){if(this.tech_){return this.tech_[t.getterName]()}this[t.privateName]=this[t.privateName]||new t.ListClass;return this[t.privateName]}});ki.players={};var Ci=e.navigator;ki.prototype.options_={techOrder:sn.defaultTechOrder_,html5:{},flash:{},inactivityTimeout:2e3,playbackRates:[],liveui:!1,children:["mediaLoader","posterImage","textTrackDisplay","loadingSpinner","bigPlayButton","liveTracker","controlBar","errorDisplay","textTrackSettings","resizeManager"],language:Ci&&(Ci.languages&&Ci.languages[0]||Ci.userLanguage||Ci.language)||"en",languages:{},notSupportedMessage:"No compatible source was found for this media.",fullscreen:{options:{navigationUI:"hide"}},breakpoints:{},responsive:!1};["ended","seeking","seekable","networkState","readyState"].forEach(function(e){ki.prototype[e]=function(){return this.techGet_(e)}});fi.forEach(function(e){ki.prototype["handleTech"+je(e)+"_"]=function(){return 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Uint8Array(e.subarray(1,4)),trackId:t.getUint32(4)},n=1&a.flags[2],r=2&a.flags[2],s=8&a.flags[2],o=16&a.flags[2],l=32&a.flags[2],d=65536&a.flags[0],p=131072&a.flags[0],u;u=8;if(n){u+=4;a.baseDataOffset=t.getUint32(12);u+=4}if(r){a.sampleDescriptionIndex=t.getUint32(u);u+=4}if(s){a.defaultSampleDuration=t.getUint32(u);u+=4}if(o){a.defaultSampleSize=t.getUint32(u);u+=4}if(l){a.defaultSampleFlags=t.getUint32(u)}if(d){a.durationIsEmpty=!0}if(!n&&p){a.baseDataOffsetIsMoof=!0}return a},tkhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a=4,n={version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4))};if(1===n.version){a+=4;n.creationTime=rd(t.getUint32(a));a+=8;n.modificationTime=rd(t.getUint32(a));a+=4;n.trackId=t.getUint32(a);a+=4;a+=8;n.duration=t.getUint32(a)}else{n.creationTime=rd(t.getUint32(a));a+=4;n.modificationTime=rd(t.getUint32(a));a+=4;n.trackId=t.getUint32(a);a+=4;a+=4;n.duration=t.getUint32(a)}a+=4;a+=8;n.layer=t.getUint16(a);a+=2;n.alternateGroup=t.getUint16(a);a+=2;n.volume=t.getUint8(a)+t.getUint8(a+1)/8;a+=2;a+=2;n.matrix=new Uint32Array(e.subarray(a,a+36));a+=36;n.width=t.getUint16(a)+t.getUint16(a+2)/16;a+=4;n.height=t.getUint16(a)+t.getUint16(a+2)/16;return n},traf:function(e){return{boxes:td(e)}},trak:function(e){return{boxes:td(e)}},trex:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),trackId:t.getUint32(4),defaultSampleDescriptionIndex:t.getUint32(8),defaultSampleDuration:t.getUint32(12),defaultSampleSize:t.getUint32(16),sampleDependsOn:3&e[20],sampleIsDependedOn:(192&e[21])>>6,sampleHasRedundancy:(48&e[21])>>4,samplePaddingValue:(14&e[21])>>1,sampleIsDifferenceSample:!!(1&e[21]),sampleDegradationPriority:t.getUint16(22)}},trun:function(e){var t={version:e[0],flags:new Uint8Array(e.subarray(1,4)),samples:[]},a=new DataView(e.buffer,e.byteOffset,e.byteLength),n=1&t.flags[2],r=4&t.flags[2],i=1&t.flags[1],s=2&t.flags[1],o=4&t.flags[1],l=8&t.flags[1],d=a.getUint32(4),p=8,u;if(n){t.dataOffset=a.getInt32(p);p+=4}if(r&&d){u={flags:id(e.subarray(p,p+4))};p+=4;if(i){u.duration=a.getUint32(p);p+=4}if(s){u.size=a.getUint32(p);p+=4}if(l){u.compositionTimeOffset=a.getUint32(p);p+=4}t.samples.push(u);d--}while(d--){u={};if(i){u.duration=a.getUint32(p);p+=4}if(s){u.size=a.getUint32(p);p+=4}if(o){u.flags=id(e.subarray(p,p+4));p+=4}if(l){u.compositionTimeOffset=a.getUint32(p);p+=4}t.samples.push(u)}return t},"url ":function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4))}},vmhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),graphicsmode:t.getUint16(4),opcolor:new Uint16Array([t.getUint16(6),t.getUint16(8),t.getUint16(10)])}}};td=function(e){for(var t=0,a=[],n,r,s,o,l,d=new ArrayBuffer(e.length),p=new Uint8Array(d),u=0;u<e.length;++u){p[u]=e[u]}n=new DataView(d);while(t<e.byteLength){r=n.getUint32(t);s=sd(e.subarray(t+4,t+8));o=1<r?t+r:e.byteLength;l=(dd[s]||function(e){return{data:e}})(e.subarray(t+8,o));l.size=r;l.type=s;a.push(l);t=o}return a};ad=function(e,t){var a;t=t||0;a=Array(2*t+1).join(" ");return e.map(function(e){return a+e.type+"\n"+Object.keys(e).filter(function(e){return"type"!==e&&"boxes"!==e}).map(function(t){var n=a+"  "+t+": ",r=e[t];if(r instanceof Uint8Array||r instanceof Uint32Array){var i=Array.prototype.slice.call(new Uint8Array(r.buffer,r.byteOffset,r.byteLength)).map(function(e){return" "+("00"+e.toString(16)).slice(-2)}).join("").match(/.{1,24}/g);if(!i){return n+"<>"}if(1===i.length){return n+"<"+i.join("").slice(1)+">"}return n+"<\n"+i.map(function(e){return a+"  "+e}).join("\n")+"\n"+a+"  >"}return n+JSON.stringify(r,null,2).split("\n").map(function(e,t){if(0===t){return e}return a+"  "+e}).join("\n")}).join("\n")+(e.boxes?"\n"+ad(e.boxes,t+1):"")}).join("\n")};var pd={inspect:td,textify:ad,parseType:sd,findBox:od,parseTraf:dd.traf,parseTfdt:dd.tfdt,parseHdlr:dd.hdlr,parseTfhd:dd.tfhd,parseTrun:dd.trun,parseSidx:dd.sidx},ud=ed.toUnsigned,cd=ed.toHexString,md,gd,yd,hd,_d;md=function(e){var t=pd.findBox(e,["moov","trak"]);return t.reduce(function(e,t){var a,n,r,i,s;a=pd.findBox(t,["tkhd"])[0];if(!a){return null}n=a[0];r=0===n?12:20;i=ud(a[r]<<24|a[r+1]<<16|a[r+2]<<8|a[r+3]);s=pd.findBox(t,["mdia","mdhd"])[0];if(!s){return null}n=s[0];r=0===n?12:20;e[i]=ud(s[r]<<24|s[r+1]<<16|s[r+2]<<8|s[r+3]);return e},{})};gd=function(e,t){var a,n,r;a=pd.findBox(t,["moof","traf"]);n=[].concat.apply([],a.map(function(t){return pd.findBox(t,["tfhd"]).map(function(a){var n,r,i;n=ud(a[4]<<24|a[5]<<16|a[6]<<8|a[7]);r=e[n]||9e4;i=pd.findBox(t,["tfdt"]).map(function(e){var t,a;t=e[0];a=ud(e[4]<<24|e[5]<<16|e[6]<<8|e[7]);if(1===t){a*=Math.pow(2,32);a+=ud(e[8]<<24|e[9]<<16|e[10]<<8|e[11])}return a})[0];i=i||1/0;return i/r})}));r=Math.min.apply(null,n);return isFinite(r)?r:0};yd=function(e,t){var a=pd.findBox(t,["moof","traf"]),n=0,r=0,s;if(a&&a.length){for(var o=pd.parseTraf(a[0]),l=0;l<o.boxes.length;l++){if("tfhd"===o.boxes[l].type){s=o.boxes[l].trackId}else if("tfdt"===o.boxes[l].type){n=o.boxes[l].baseMediaDecodeTime}else if("trun"===o.boxes[l].type&&o.boxes[l].samples.length){r=o.boxes[l].samples[0].compositionTimeOffset||0}}}var d=e[s]||9e4;return(n+r)/d};hd=function(e){var t=pd.findBox(e,["moov","trak"]),a=[];t.forEach(function(e){var t=pd.findBox(e,["mdia","hdlr"]),n=pd.findBox(e,["tkhd"]);t.forEach(function(e,t){var r=pd.parseType(e.subarray(8,12)),i=n[t],s,o;if("vide"===r){s=new DataView(i.buffer,i.byteOffset,i.byteLength);s.getUint8(0);o=s.getUint32(20);a.push(o)}})});return a};_d=function(e){var t=pd.findBox(e,["moov","trak"]),a=[];t.forEach(function(e){var t={},n=pd.findBox(e,["tkhd"])[0],r;if(n){r=new DataView(n.buffer,n.byteOffset,n.byteLength);r.getUint8(0);t.id=r.getUint32(20)}var i=pd.findBox(e,["mdia","hdlr"])[0];if(i){var s=pd.parseType(i.subarray(8,12));if("vide"===s){t.type="video"}else if("soun"===s){t.type="audio"}else{t.type=s}}var o=pd.findBox(e,["mdia","minf","stbl","stsd"])[0];if(o){var l=o.subarray(8);t.codec=pd.parseType(l.subarray(4,8));var d=pd.findBox(l,[t.codec])[0],p,u;if(d){if(/^[a-z]vc[1-9]$/i.test(t.codec)){p=d.subarray(78);u=pd.parseType(p.subarray(4,8));if("avcC"===u&&11<p.length){t.codec+=".";t.codec+=cd(p[9]);t.codec+=cd(p[10]);t.codec+=cd(p[11])}else{t.codec="avc1.4d400d"}}else if(/^mp4[a,v]$/i.test(t.codec)){p=d.subarray(28);u=pd.parseType(p.subarray(4,8));if("esds"===u&&20<p.length&&0!==p[19]){t.codec+="."+cd(p[19]);t.codec+="."+cd(63&p[20]>>>2).replace(/^0/,"")}else{t.codec="mp4a.40.2"}}}}var c=pd.findBox(e,["mdia","mdhd"])[0];if(c&&n){20;t.timescale=ud(c[20]<<24|c[21]<<16|c[22]<<8|c[23])}a.push(t)});return a};var fd={findBox:pd.findBox,parseType:pd.parseType,timescale:md,startTime:gd,compositionStartTime:yd,videoTrackIds:hd,tracks:_d},Td=4,bd=function(e){var t=0,a={payloadType:-1,payloadSize:0},n=0,r=0;while(t<e.byteLength){if(e[t]===128){break}while(255===e[t]){n+=255;t++}n+=e[t++];while(255===e[t]){r+=255;t++}r+=e[t++];if(!a.payload&&n===Td){a.payloadType=n;a.payloadSize=r;a.payload=e.subarray(t,t+r);break}t+=r;n=0;r=0}return a},vd=function(e,t){var a=[],n,r,s,o;if(!(64&t[0])){return a}r=31&t[0];for(n=0;n<r;n++){s=3*n;o={type:3&t[s+2],pts:e};if(4&t[s+2]){o.ccData=t[s+3]<<8|t[s+4];a.push(o)}}return a},Sd=function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s},kd={parseSei:bd,parseUserData:function(e){if(181!==e.payload[0]){return null}if(49!=(e.payload[1]<<8|e.payload[2])){return null}if("GA94"!==String.fromCharCode(e.payload[3],e.payload[4],e.payload[5],e.payload[6])){return null}if(3!==e.payload[7]){return null}return e.payload.subarray(8,e.payload.length-1)},parseCaptionPackets:vd,discardEmulationPreventionBytes:Sd,USER_DATA_REGISTERED_ITU_T_T35:Td},Cd=function(){this.init=function(){var e={};this.on=function(t,a){if(!e[t]){e[t]=[]}e[t]=e[t].concat(a)};this.off=function(t,a){var n;if(!e[t]){return!1}n=e[t].indexOf(a);e[t]=e[t].slice();e[t].splice(n,1);return-1<n};this.trigger=function(t){var a,n,r,s;a=e[t];if(!a){return}if(2===arguments.length){r=a.length;for(n=0;n<r;++n){a[n].call(this,arguments[1])}}else{s=[];n=arguments.length;for(n=1;n<arguments.length;++n){s.push(arguments[n])}r=a.length;for(n=0;n<r;++n){a[n].apply(this,s)}}};this.dispose=function(){e={}}}};Cd.prototype.pipe=function(e){this.on("data",function(t){e.push(t)});this.on("done",function(t){e.flush(t)});this.on("partialdone",function(t){e.partialFlush(t)});this.on("endedtimeline",function(t){e.endTimeline(t)});this.on("reset",function(t){e.reset(t)});return e};Cd.prototype.push=function(e){this.trigger("data",e)};Cd.prototype.flush=function(e){this.trigger("done",e)};Cd.prototype.partialFlush=function(e){this.trigger("partialdone",e)};Cd.prototype.endTimeline=function(e){this.trigger("endedtimeline",e)};Cd.prototype.reset=function(e){this.trigger("reset",e)};var Ed=Cd,Id=function e(){e.prototype.init.call(this);this.captionPackets_=[];this.ccStreams_=[new Ad(0,0),new Ad(0,1),new Ad(1,0),new Ad(1,1)];this.reset();this.ccStreams_.forEach(function(e){e.on("data",this.trigger.bind(this,"data"));e.on("partialdone",this.trigger.bind(this,"partialdone"));e.on("done",this.trigger.bind(this,"done"))},this)};Id.prototype=new Ed;Id.prototype.push=function(e){var t,a,n;if("sei_rbsp"!==e.nalUnitType){return}t=kd.parseSei(e.escapedRBSP);if(t.payloadType!==kd.USER_DATA_REGISTERED_ITU_T_T35){return}a=kd.parseUserData(t);if(!a){return}if(e.dts<this.latestDts_){this.ignoreNextEqualDts_=!0;return}else if(e.dts===this.latestDts_&&this.ignoreNextEqualDts_){this.numSameDts_--;if(!this.numSameDts_){this.ignoreNextEqualDts_=!1}return}n=kd.parseCaptionPackets(e.pts,a);this.captionPackets_=this.captionPackets_.concat(n);if(this.latestDts_!==e.dts){this.numSameDts_=0}this.numSameDts_++;this.latestDts_=e.dts};Id.prototype.flushCCStreams=function(e){this.ccStreams_.forEach(function(t){return"flush"===e?t.flush():t.partialFlush()},this)};Id.prototype.flushStream=function(e){if(!this.captionPackets_.length){this.flushCCStreams(e);return}this.captionPackets_.forEach(function(e,t){e.presortIndex=t});this.captionPackets_.sort(function(e,t){if(e.pts===t.pts){return e.presortIndex-t.presortIndex}return e.pts-t.pts});this.captionPackets_.forEach(function(e){if(2>e.type){this.dispatchCea608Packet(e)}},this);this.captionPackets_.length=0;this.flushCCStreams(e)};Id.prototype.flush=function(){return this.flushStream("flush")};Id.prototype.partialFlush=function(){return this.flushStream("partialFlush")};Id.prototype.reset=function(){this.latestDts_=null;this.ignoreNextEqualDts_=!1;this.numSameDts_=0;this.activeCea608Channel_=[null,null];this.ccStreams_.forEach(function(e){e.reset()})};Id.prototype.dispatchCea608Packet=function(e){if(this.setsTextOrXDSActive(e)){this.activeCea608Channel_[e.type]=null}else if(this.setsChannel1Active(e)){this.activeCea608Channel_[e.type]=0}else if(this.setsChannel2Active(e)){this.activeCea608Channel_[e.type]=1}if(null===this.activeCea608Channel_[e.type]){return}this.ccStreams_[(e.type<<1)+this.activeCea608Channel_[e.type]].push(e)};Id.prototype.setsChannel1Active=function(e){return 4096==(30720&e.ccData)};Id.prototype.setsChannel2Active=function(e){return 6144==(30720&e.ccData)};Id.prototype.setsTextOrXDSActive=function(e){return 256==(28928&e.ccData)||4138==(30974&e.ccData)||6186==(30974&e.ccData)};var xd={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},Ld=function(e){if(null===e){return""}e=xd[e]||e;return String.fromCharCode(e)},Pd=14,Dd=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],wd=function(){var e=[],t=Pd+1;while(t--){e.push("")}return e},Ad=function a(e,t){a.prototype.init.call(this);this.field_=e||0;this.dataChannel_=t||0;this.name_="CC"+((this.field_<<1|this.dataChannel_)+1);this.setConstants();this.reset();this.push=function(e){var t,a,n,r,i;t=32639&e.ccData;if(t===this.lastControlCode_){this.lastControlCode_=null;return}if(4096==(61440&t)){this.lastControlCode_=t}else if(t!==this.PADDING_){this.lastControlCode_=null}n=t>>>8;r=255&t;if(t===this.PADDING_){}else if(t===this.RESUME_CAPTION_LOADING_){this.mode_="popOn"}else if(t===this.END_OF_CAPTION_){this.mode_="popOn";this.clearFormatting(e.pts);this.flushDisplayed(e.pts);a=this.displayed_;this.displayed_=this.nonDisplayed_;this.nonDisplayed_=a;this.startPts_=e.pts}else if(t===this.ROLL_UP_2_ROWS_){this.rollUpRows_=2;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_3_ROWS_){this.rollUpRows_=3;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_4_ROWS_){this.rollUpRows_=4;this.setRollUp(e.pts)}else if(t===this.CARRIAGE_RETURN_){this.clearFormatting(e.pts);this.flushDisplayed(e.pts);this.shiftRowsUp_();this.startPts_=e.pts}else if(t===this.BACKSPACE_){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}}else if(t===this.ERASE_DISPLAYED_MEMORY_){this.flushDisplayed(e.pts);this.displayed_=wd()}else if(t===this.ERASE_NON_DISPLAYED_MEMORY_){this.nonDisplayed_=wd()}else if(t===this.RESUME_DIRECT_CAPTIONING_){if("paintOn"!==this.mode_){this.flushDisplayed(e.pts);this.displayed_=wd()}this.mode_="paintOn";this.startPts_=e.pts}else if(this.isSpecialCharacter(n,r)){n=(3&n)<<8;i=Ld(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isExtCharacter(n,r)){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}n=(3&n)<<8;i=Ld(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isMidRowCode(n,r)){this.clearFormatting(e.pts);this[this.mode_](e.pts," ");this.column_++;if(14==(14&r)){this.addFormatting(e.pts,["i"])}if(1==(1&r)){this.addFormatting(e.pts,["u"])}}else if(this.isOffsetControlCode(n,r)){this.column_+=3&r}else if(this.isPAC(n,r)){var s=Dd.indexOf(7968&t);if("rollUp"===this.mode_){if(0>s-this.rollUpRows_+1){s=this.rollUpRows_-1}this.setRollUp(e.pts,s)}if(s!==this.row_){this.clearFormatting(e.pts);this.row_=s}if(1&r&&-1===this.formatting_.indexOf("u")){this.addFormatting(e.pts,["u"])}if(16==(16&t)){this.column_=4*((14&t)>>1)}if(this.isColorPAC(r)){if(14==(14&r)){this.addFormatting(e.pts,["i"])}}}else if(this.isNormalChar(n)){if(0===r){r=null}i=Ld(n);i+=Ld(r);this[this.mode_](e.pts,i);this.column_+=i.length}}};Ad.prototype=new Ed;Ad.prototype.flushDisplayed=function(e){var t=this.displayed_.map(function(e){try{return e.trim()}catch(t){console.error("Skipping malformed caption.");return""}}).join("\n").replace(/^\n+|\n+$/g,"");if(t.length){this.trigger("data",{startPts:this.startPts_,endPts:e,text:t,stream:this.name_})}};Ad.prototype.reset=function(){this.mode_="popOn";this.topRow_=0;this.startPts_=0;this.displayed_=wd();this.nonDisplayed_=wd();this.lastControlCode_=null;this.column_=0;this.row_=Pd;this.rollUpRows_=2;this.formatting_=[]};Ad.prototype.setConstants=function(){if(0===this.dataChannel_){this.BASE_=16;this.EXT_=17;this.CONTROL_=(20|this.field_)<<8;this.OFFSET_=23}else if(1===this.dataChannel_){this.BASE_=24;this.EXT_=25;this.CONTROL_=(28|this.field_)<<8;this.OFFSET_=31}this.PADDING_=0;this.RESUME_CAPTION_LOADING_=32|this.CONTROL_;this.END_OF_CAPTION_=47|this.CONTROL_;this.ROLL_UP_2_ROWS_=37|this.CONTROL_;this.ROLL_UP_3_ROWS_=38|this.CONTROL_;this.ROLL_UP_4_ROWS_=39|this.CONTROL_;this.CARRIAGE_RETURN_=45|this.CONTROL_;this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_;this.BACKSPACE_=33|this.CONTROL_;this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_;this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_};Ad.prototype.isSpecialCharacter=function(e,t){return e===this.EXT_&&48<=t&&63>=t};Ad.prototype.isExtCharacter=function(e,t){return(e===this.EXT_+1||e===this.EXT_+2)&&32<=t&&63>=t};Ad.prototype.isMidRowCode=function(e,t){return e===this.EXT_&&32<=t&&47>=t};Ad.prototype.isOffsetControlCode=function(e,t){return e===this.OFFSET_&&33<=t&&35>=t};Ad.prototype.isPAC=function(e,t){return e>=this.BASE_&&e<this.BASE_+8&&64<=t&&127>=t};Ad.prototype.isColorPAC=function(e){return 64<=e&&79>=e||96<=e&&127>=e};Ad.prototype.isNormalChar=function(e){return 32<=e&&127>=e};Ad.prototype.setRollUp=function(e,t){if("rollUp"!==this.mode_){this.row_=Pd;this.mode_="rollUp";this.flushDisplayed(e);this.nonDisplayed_=wd();this.displayed_=wd()}if(t!==void 0&&t!==this.row_){for(var a=0;a<this.rollUpRows_;a++){this.displayed_[t-a]=this.displayed_[this.row_-a];this.displayed_[this.row_-a]=""}}if(t===void 0){t=this.row_}this.topRow_=t-this.rollUpRows_+1};Ad.prototype.addFormatting=function(e,t){this.formatting_=this.formatting_.concat(t);var a=t.reduce(function(e,t){return e+"<"+t+">"},"");this[this.mode_](e,a)};Ad.prototype.clearFormatting=function(e){if(!this.formatting_.length){return}var t=this.formatting_.reverse().reduce(function(e,t){return e+"</"+t+">"},"");this.formatting_=[];this[this.mode_](e,t)};Ad.prototype.popOn=function(e,t){var a=this.nonDisplayed_[this.row_];a+=t;this.nonDisplayed_[this.row_]=a};Ad.prototype.rollUp=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};Ad.prototype.shiftRowsUp_=function(){var e;for(e=0;e<this.topRow_;e++){this.displayed_[e]=""}for(e=this.row_+1;e<Pd+1;e++){this.displayed_[e]=""}for(e=this.topRow_;e<this.row_;e++){this.displayed_[e]=this.displayed_[e+1]}this.displayed_[this.row_]=""};Ad.prototype.paintOn=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};var Od=kd.discardEmulationPreventionBytes,Rd={CaptionStream:Id,Cea608Stream:Ad}.CaptionStream,Nd=function(e,t){for(var a=e,n=0,r;n<t.length;n++){r=t[n];if(a<r.size){return r}a-=r.size}return null},Ud=function(e,t,a){var n=new DataView(e.buffer,e.byteOffset,e.byteLength),r=[],s,o,l,d;for(o=0;o+4<e.length;o+=l){l=n.getUint32(o);o+=4;if(0>=l){continue}switch(31&e[o]){case 6:var p=e.subarray(o+1,o+1+l),u=Nd(o,t);s={nalUnitType:"sei_rbsp",size:l,data:p,escapedRBSP:Od(p),trackId:a};if(u){s.pts=u.pts;s.dts=u.dts;d=u}else{s.pts=d.pts;s.dts=d.dts}r.push(s);break;default:break;}}return r},Md=function(e,t,a){var n=t,r=a.defaultSampleDuration||0,i=a.defaultSampleSize||0,s=a.trackId,o=[];e.forEach(function(e){var t=pd.parseTrun(e),a=t.samples;a.forEach(function(e){if(e.duration===void 0){e.duration=r}if(e.size===void 0){e.size=i}e.trackId=s;e.dts=n;if(e.compositionTimeOffset===void 0){e.compositionTimeOffset=0}e.pts=n+e.compositionTimeOffset;n+=e.duration});o=o.concat(a)});return o},Bd=function(e,t){var a=fd.findBox(e,["moof","traf"]),n=fd.findBox(e,["mdat"]),r={},i=[];n.forEach(function(e,t){var n=a[t];i.push({mdat:e,traf:n})});i.forEach(function(e){var a=e.mdat,n=e.traf,i=fd.findBox(n,["tfhd"]),s=pd.parseTfhd(i[0]),o=s.trackId,l=fd.findBox(n,["tfdt"]),d=0<l.length?pd.parseTfdt(l[0]).baseMediaDecodeTime:0,p=fd.findBox(n,["trun"]),u,c;if(t===o&&0<p.length){u=Md(p,d,s);c=Ud(a,u,o);if(!r[o]){r[o]=[]}r[o]=r[o].concat(c)}});return r},jd=function(e,t,a){var n;if(null===t){return null}n=Bd(e,t);return{seiNals:n[t],timescale:a}},Fd=function(){var e=!1,t,a,n,r,i,s;this.isInitialized=function(){return e};this.init=function(a){t=new Rd;e=!0;s=a?a.isPartial:!1;t.on("data",function(e){e.startTime=e.startPts/r;e.endTime=e.endPts/r;i.captions.push(e);i.captionStreams[e.stream]=!0})};this.isNewInit=function(e,t){if(e&&0===e.length||t&&"object"===_typeof2(t)&&0===Object.keys(t).length){return!1}return n!==e[0]||r!==t[n]};this.parse=function(e,t,s){var o;if(!this.isInitialized()){return null}else if(!t||!s){return null}else if(this.isNewInit(t,s)){n=t[0];r=s[n]}else if(null===n||!r){a.push(e);return null}while(0<a.length){var l=a.shift();this.parse(l,t,s)}o=jd(e,n,r);if(null===o||!o.seiNals){return null}this.pushNals(o.seiNals);this.flushStream();return i};this.pushNals=function(e){if(!this.isInitialized()||!e||0===e.length){return null}e.forEach(function(e){t.push(e)})};this.flushStream=function(){if(!this.isInitialized()){return null}if(!s){t.flush()}else{t.partialFlush()}};this.clearParsedCaptions=function(){i.captions=[];i.captionStreams={}};this.resetCaptionStream=function(){if(!this.isInitialized()){return null}t.reset()};this.clearAllCaptions=function(){this.clearParsedCaptions();this.resetCaptionStream()};this.reset=function(){a=[];n=null;r=null;if(!i){i={captions:[],captionStreams:{}}}else{this.clearParsedCaptions()}this.resetCaptionStream()};this.reset()},Hd={H264_STREAM_TYPE:27,ADTS_STREAM_TYPE:15,METADATA_STREAM_TYPE:21},qd="shared",Vd=function(e,t){var a=1;if(e>t){a=-1}while(Math.abs(t-e)>4294967296){e+=a*8589934592}return e},Wd=function t(e){var a,n;t.prototype.init.call(this);this.type_=e||qd;this.push=function(e){if(this.type_!==qd&&e.type!==this.type_){return}if(n===void 0){n=e.dts}e.dts=Vd(e.dts,n);e.pts=Vd(e.pts,n);a=e.dts;this.trigger("data",e)};this.flush=function(){n=a;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.discontinuity=function(){n=void 0;a=void 0};this.reset=function(){this.discontinuity();this.trigger("reset")}};Wd.prototype=new Ed;var zd=function(e){var t=31&e[1];t<<=8;t|=e[2];return t},Gd=function(e){return!!(64&e[1])},Kd=function(e){var t=0;if(1<(48&e[3])>>>4){t+=e[4]+1}return t},Yd=function(e){var t={},a=Gd(e),n=4+Kd(e);if(a){n+=e[n]+1}if(!(1&e[n+5])){return}var r,s,o;r=(15&e[n+1])<<8|e[n+2];s=3+r-4;o=(15&e[n+10])<<8|e[n+11];var l=12+o;while(l<s){var d=n+l;t[(31&e[d+1])<<8|e[d+2]]=e[d];l+=((15&e[d+3])<<8|e[d+4])+5}return t},Xd=function(e){switch(e){case 5:return"slice_layer_without_partitioning_rbsp_idr";case 6:return"sei_rbsp";case 7:return"seq_parameter_set_rbsp";case 8:return"pic_parameter_set_rbsp";case 9:return"access_unit_delimiter_rbsp";default:return null;}},$d=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],Qd=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},Jd=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},Zd=function(e,t,a){return unescape(Jd(e,t,a))},ep=function(e){var t=0;while(t+5<e.length){if(255!==e[t]||240!=(246&e[t+1])){t++;continue}return $d[(60&e[t+2])>>>2]}return null},tp=function(e){var t,a,n,r;t=10;if(64&e[5]){t+=4;t+=Qd(e.subarray(10,14))}do{a=Qd(e.subarray(t+4,t+8));if(1>a){return null}r=String.fromCharCode(e[t],e[t+1],e[t+2],e[t+3]);if("PRIV"===r){n=e.subarray(t+10,t+a+10);for(var s=0;s<n.byteLength;s++){if(0===n[s]){var o=Zd(n,0,s);if("com.apple.streaming.transportStreamTimestamp"===o){var l=n.subarray(s+1),d=(1&l[3])<<30|l[4]<<22|l[5]<<14|l[6]<<6|l[7]>>>2;d*=4;d+=3&l[7];return d}break}}}t+=10;t+=a}while(t<e.byteLength);return null},ap=9e4,np,rp,ip,sp,op,lp,dp;np=function(e){return e*ap};rp=function(e,t){return e*t};ip=function(e){return e/ap};sp=function(e,t){return e/t};op=function(e,t){return np(sp(e,t))};lp=function(e,t){return rp(ip(e),t)};dp=function(e,t,a){return ip(a?e:e-t)};var pp={ONE_SECOND_IN_TS:ap,secondsToVideoTs:np,secondsToAudioTs:rp,videoTsToSeconds:ip,audioTsToSeconds:sp,audioTsToVideoTs:op,videoTsToAudioTs:lp,metadataTsToSeconds:dp},up={TimestampRolloverStream:Wd,handleRollover:Vd}.handleRollover,cp={};cp.ts={parseType:function(e,t){var a=zd(e);if(0===a){return"pat"}else if(a===t){return"pmt"}else if(t){return"pes"}return null},parsePat:function(e){var t=Gd(e),a=4+Kd(e);if(t){a+=e[a]+1}return(31&e[a+10])<<8|e[a+11]},parsePmt:Yd,parsePayloadUnitStartIndicator:Gd,parsePesType:function(e,t){var a=zd(e),n=t[a];switch(n){case Hd.H264_STREAM_TYPE:return"video";case Hd.ADTS_STREAM_TYPE:return"audio";case Hd.METADATA_STREAM_TYPE:return"timed-metadata";default:return null;}},parsePesTime:function(e){var t=Gd(e);if(!t){return null}var a=4+Kd(e);if(a>=e.byteLength){return null}var n=null,r;r=e[a+7];if(192&r){n={};n.pts=(14&e[a+9])<<27|(255&e[a+10])<<20|(254&e[a+11])<<12|(255&e[a+12])<<5|(254&e[a+13])>>>3;n.pts*=4;n.pts+=(6&e[a+13])>>>1;n.dts=n.pts;if(64&r){n.dts=(14&e[a+14])<<27|(255&e[a+15])<<20|(254&e[a+16])<<12|(255&e[a+17])<<5|(254&e[a+18])>>>3;n.dts*=4;n.dts+=(6&e[a+18])>>>1}}return n},videoPacketContainsKeyFrame:function(e){var t=4+Kd(e),a=e.subarray(t),n=0,r=0,i=!1,s;for(;r<a.byteLength-3;r++){if(1===a[r+2]){n=r+5;break}}while(n<a.byteLength){switch(a[n]){case 0:if(0!==a[n-1]){n+=2;break}else if(0!==a[n-2]){n++;break}if(r+3!==n-2){s=Xd(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}}do{n++}while(1!==a[n]&&n<a.length);r=n-2;n+=3;break;case 1:if(0!==a[n-1]||0!==a[n-2]){n+=3;break}s=Xd(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}r=n-2;n+=3;break;default:n+=3;break;}}a=a.subarray(r);n-=r;r=0;if(a&&3<a.byteLength){s=Xd(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}}return i}};cp.aac={isLikelyAacData:function(e){if(e[0]===73&&e[1]===68&&e[2]===51){return!0}return!1},parseId3TagSize:function(e,t){var a=e[t+6]<<21|e[t+7]<<14|e[t+8]<<7|e[t+9],n=e[t+5];if((16&n)>>4){return a+20}return a+10},parseAdtsSize:function(e,t){var a=(224&e[t+5])>>5,n=e[t+4]<<3,r=e[t+3]&6144;return r|n|a},parseType:function(e,t){if(e[t]===73&&e[t+1]===68&&e[t+2]===51){return"timed-metadata"}else if(e[t]&!0&&240==(240&e[t+1])){return"audio"}return null},parseSampleRate:ep,parseAacTimestamp:tp};var mp=pp.ONE_SECOND_IN_TS,gp=188,yp=71,hp=function(e,t){var a=0,n=gp,r,i;while(n<e.byteLength){if(e[a]===yp&&e[n]===yp){r=e.subarray(a,n);i=cp.ts.parseType(r,t.pid);switch(i){case"pat":if(!t.pid){t.pid=cp.ts.parsePat(r)}break;case"pmt":if(!t.table){t.table=cp.ts.parsePmt(r)}break;default:break;}if(t.pid&&t.table){return}a+=gp;n+=gp;continue}a++;n++}},_p=function(e,t,a){var n=0,r=gp,i,s,o,l,d,p=!1;while(r<=e.byteLength){if(e[n]===yp&&(e[r]===yp||r===e.byteLength)){i=e.subarray(n,r);s=cp.ts.parseType(i,t.pid);switch(s){case"pes":o=cp.ts.parsePesType(i,t.table);l=cp.ts.parsePayloadUnitStartIndicator(i);if("audio"===o&&l){d=cp.ts.parsePesTime(i);if(d){d.type="audio";a.audio.push(d);p=!0}}break;default:break;}if(p){break}n+=gp;r+=gp;continue}n++;r++}r=e.byteLength;n=r-gp;p=!1;while(0<=n){if(e[n]===yp&&(e[r]===yp||r===e.byteLength)){i=e.subarray(n,r);s=cp.ts.parseType(i,t.pid);switch(s){case"pes":o=cp.ts.parsePesType(i,t.table);l=cp.ts.parsePayloadUnitStartIndicator(i);if("audio"===o&&l){d=cp.ts.parsePesTime(i);if(d){d.type="audio";a.audio.push(d);p=!0}}break;default:break;}if(p){break}n-=gp;r-=gp;continue}n--;r--}},fp=function(e,t,a){var n=0,r=gp,s,o,l,d,p,u,c,m,g=!1,y={data:[],size:0};while(r<e.byteLength){if(e[n]===yp&&e[r]===yp){s=e.subarray(n,r);o=cp.ts.parseType(s,t.pid);switch(o){case"pes":l=cp.ts.parsePesType(s,t.table);d=cp.ts.parsePayloadUnitStartIndicator(s);if("video"===l){if(d&&!g){p=cp.ts.parsePesTime(s);if(p){p.type="video";a.video.push(p);g=!0}}if(!a.firstKeyFrame){if(d){if(0!==y.size){u=new Uint8Array(y.size);c=0;while(y.data.length){m=y.data.shift();u.set(m,c);c+=m.byteLength}if(cp.ts.videoPacketContainsKeyFrame(u)){var h=cp.ts.parsePesTime(u);if(h){a.firstKeyFrame=h;a.firstKeyFrame.type="video"}else{console.warn("Failed to extract PTS/DTS from PES at first keyframe. This could be an unusual TS segment, or else mux.js did not parse your TS segment correctly. If you know your TS segments do contain PTS/DTS on keyframes please file a bug report! You can try ffprobe to double check for yourself.")}}y.size=0}}y.data.push(s);y.size+=s.byteLength}}break;default:break;}if(g&&a.firstKeyFrame){break}n+=gp;r+=gp;continue}n++;r++}r=e.byteLength;n=r-gp;g=!1;while(0<=n){if(e[n]===yp&&e[r]===yp){s=e.subarray(n,r);o=cp.ts.parseType(s,t.pid);switch(o){case"pes":l=cp.ts.parsePesType(s,t.table);d=cp.ts.parsePayloadUnitStartIndicator(s);if("video"===l&&d){p=cp.ts.parsePesTime(s);if(p){p.type="video";a.video.push(p);g=!0}}break;default:break;}if(g){break}n-=gp;r-=gp;continue}n--;r--}},Tp=function(e,t){if(e.audio&&e.audio.length){var a=t;if("undefined"==typeof a){a=e.audio[0].dts}e.audio.forEach(function(e){e.dts=up(e.dts,a);e.pts=up(e.pts,a);e.dtsTime=e.dts/mp;e.ptsTime=e.pts/mp})}if(e.video&&e.video.length){var n=t;if("undefined"==typeof n){n=e.video[0].dts}e.video.forEach(function(e){e.dts=up(e.dts,n);e.pts=up(e.pts,n);e.dtsTime=e.dts/mp;e.ptsTime=e.pts/mp});if(e.firstKeyFrame){var r=e.firstKeyFrame;r.dts=up(r.dts,n);r.pts=up(r.pts,n);r.dtsTime=r.dts/mp;r.ptsTime=r.dts/mp}}},bp=function(e){var t=!1,a=0,n=null,r=null,i=0,s=0,o;while(3<=e.length-s){var l=cp.aac.parseType(e,s);switch(l){case"timed-metadata":if(10>e.length-s){t=!0;break}i=cp.aac.parseId3TagSize(e,s);if(i>e.length){t=!0;break}if(null===r){o=e.subarray(s,s+i);r=cp.aac.parseAacTimestamp(o)}s+=i;break;case"audio":if(7>e.length-s){t=!0;break}i=cp.aac.parseAdtsSize(e,s);if(i>e.length){t=!0;break}if(null===n){o=e.subarray(s,s+i);n=cp.aac.parseSampleRate(o)}a++;s+=i;break;default:s++;break;}if(t){return null}}if(null===n||null===r){return null}var d=mp/n,p={audio:[{type:"audio",dts:r,pts:r},{type:"audio",dts:r+1024*a*d,pts:r+1024*a*d}]};return p},vp=function(e){var t={pid:null,table:null},a={};hp(e,t);for(var n in t.table){if(t.table.hasOwnProperty(n)){var r=t.table[n];switch(r){case Hd.H264_STREAM_TYPE:a.video=[];fp(e,t,a);if(0===a.video.length){delete a.video}break;case Hd.ADTS_STREAM_TYPE:a.audio=[];_p(e,t,a);if(0===a.audio.length){delete a.audio}break;default:break;}}}return a};function Sp(e){return e.subarray(0,e.byteLength-e[e.byteLength-1])}var kp=function(e,t){if(!(e instanceof t)){throw new TypeError("Cannot call a class as a function")}},Cp=function(){function e(e,t){for(var a=0,n;a<t.length;a++){n=t[a];n.enumerable=n.enumerable||!1;n.configurable=!0;if("value"in n)n.writable=!0;Object.defineProperty(e,n.key,n)}}return function(t,a,n){if(a)e(t.prototype,a);if(n)e(t,n);return t}}(),Ep=function(e,t){if("function"!=typeof t&&null!==t){throw new TypeError("Super expression must either be null or a function, not "+_typeof2(t))}e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}});if(t)Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t},Ip=function(e,t){if(!e){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return 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r.apply(null,l)};t=function(e){return r(I.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,(65280&e.channelcount)>>8,255&e.channelcount,(65280&e.samplesize)>>8,255&e.samplesize,0,0,0,0,(65280&e.samplerate)>>8,255&e.samplerate,0,0]),s(e))}})();h=function(e){var t=new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,(4278190080&e.id)>>24,(16711680&e.id)>>16,(65280&e.id)>>8,255&e.id,0,0,0,0,(4278190080&e.duration)>>24,(16711680&e.duration)>>16,(65280&e.duration)>>8,255&e.duration,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,(65280&e.width)>>8,255&e.width,0,0,(65280&e.height)>>8,255&e.height,0,0]);return r(I.tkhd,t)};k=function(e){var t,a,i,s,o,l,d;t=r(I.tfhd,new Uint8Array([0,0,0,58,(4278190080&e.id)>>24,(16711680&e.id)>>16,(65280&e.id)>>8,255&e.id,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0]));l=Math.floor(e.baseMediaDecodeTime/(n+1));d=Math.floor(e.baseMediaDecodeTime%(n+1));a=r(I.tfdt,new Uint8Array([1,0,0,0,255&l>>>24,255&l>>>16,255&l>>>8,255&l,255&d>>>24,255&d>>>16,255&d>>>8,255&d]));o=92;if("audio"===e.type){i=E(e,o);return r(I.traf,t,a,i)}s=b(e);i=E(e,s.length+o);return r(I.traf,t,a,i,s)};y=function(e){e.duration=e.duration||4294967295;return r(I.trak,h(e),_(e))};C=function(e){var t=new Uint8Array([0,0,0,0,(4278190080&e.id)>>24,(16711680&e.id)>>16,(65280&e.id)>>8,255&e.id,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);if("video"!==e.type){t[t.length-1]=0}return r(I.trex,t)};(function(){var e,t,a;a=function(e,t){var a=0,n=0,r=0,i=0;if(e.length){if(e[0].duration!==void 0){a=1}if(e[0].size!==void 0){n=2}if(e[0].flags!==void 0){r=4}if(e[0].compositionTimeOffset!==void 0){i=8}}return[0,0,a|n|r|i,1,(4278190080&e.length)>>>24,(16711680&e.length)>>>16,(65280&e.length)>>>8,255&e.length,(4278190080&t)>>>24,(16711680&t)>>>16,(65280&t)>>>8,255&t]};t=function(e,t){var n,s,o,l;s=e.samples||[];t+=20+16*s.length;n=a(s,t);for(l=0;l<s.length;l++){o=s[l];n=n.concat([(4278190080&o.duration)>>>24,(16711680&o.duration)>>>16,(65280&o.duration)>>>8,255&o.duration,(4278190080&o.size)>>>24,(16711680&o.size)>>>16,(65280&o.size)>>>8,255&o.size,o.flags.isLeading<<2|o.flags.dependsOn,o.flags.isDependedOn<<6|o.flags.hasRedundancy<<4|o.flags.paddingValue<<1|o.flags.isNonSyncSample,o.flags.degradationPriority&61440,15&o.flags.degradationPriority,(4278190080&o.compositionTimeOffset)>>>24,(16711680&o.compositionTimeOffset)>>>16,(65280&o.compositionTimeOffset)>>>8,255&o.compositionTimeOffset])}return r(I.trun,new Uint8Array(n))};e=function(e,t){var n,s,o,l;s=e.samples||[];t+=20+8*s.length;n=a(s,t);for(l=0;l<s.length;l++){o=s[l];n=n.concat([(4278190080&o.duration)>>>24,(16711680&o.duration)>>>16,(65280&o.duration)>>>8,255&o.duration,(4278190080&o.size)>>>24,(16711680&o.size)>>>16,(65280&o.size)>>>8,255&o.size])}return r(I.trun,new Uint8Array(n))};E=function(a,n){if("audio"===a.type){return e(a,n)}return t(a,n)}})();var F={ftyp:o,mdat:l,moof:u,moov:c,initSegment:function(e){var t=o(),a=c(e),n;n=new Uint8Array(t.byteLength+a.byteLength);n.set(t);n.set(a,t.byteLength);return n}},H=function(){return{size:0,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0,degradationPriority:0,isNonSyncSample:1}}},q=function(e,t){var a=H();a.dataOffset=t;a.compositionTimeOffset=e.pts-e.dts;a.duration=e.duration;a.size=4*e.length;a.size+=e.byteLength;if(e.keyFrame){a.flags.dependsOn=2;a.flags.isNonSyncSample=0}return a},V={groupNalsIntoFrames:function(e){var t,a,n=[],r=[];r.byteLength=0;r.nalCount=0;r.duration=0;n.byteLength=0;for(t=0;t<e.length;t++){a=e[t];if("access_unit_delimiter_rbsp"===a.nalUnitType){if(n.length){n.duration=a.dts-n.dts;r.byteLength+=n.byteLength;r.nalCount+=n.length;r.duration+=n.duration;r.push(n)}n=[a];n.byteLength=a.data.byteLength;n.pts=a.pts;n.dts=a.dts}else{if("slice_layer_without_partitioning_rbsp_idr"===a.nalUnitType){n.keyFrame=!0}n.duration=a.dts-n.dts;n.byteLength+=a.data.byteLength;n.push(a)}}if(r.length&&(!n.duration||0>=n.duration)){n.duration=r[r.length-1].duration}r.byteLength+=n.byteLength;r.nalCount+=n.length;r.duration+=n.duration;r.push(n);return r},groupFramesIntoGops:function(e){var t,a,n=[],r=[];n.byteLength=0;n.nalCount=0;n.duration=0;n.pts=e[0].pts;n.dts=e[0].dts;r.byteLength=0;r.nalCount=0;r.duration=0;r.pts=e[0].pts;r.dts=e[0].dts;for(t=0;t<e.length;t++){a=e[t];if(a.keyFrame){if(n.length){r.push(n);r.byteLength+=n.byteLength;r.nalCount+=n.nalCount;r.duration+=n.duration}n=[a];n.nalCount=a.length;n.byteLength=a.byteLength;n.pts=a.pts;n.dts=a.dts;n.duration=a.duration}else{n.duration+=a.duration;n.nalCount+=a.length;n.byteLength+=a.byteLength;n.push(a)}}if(r.length&&0>=n.duration){n.duration=r[r.length-1].duration}r.byteLength+=n.byteLength;r.nalCount+=n.nalCount;r.duration+=n.duration;r.push(n);return r},extendFirstKeyFrame:function(e){var t;if(!e[0][0].keyFrame&&1<e.length){t=e.shift();e.byteLength-=t.byteLength;e.nalCount-=t.nalCount;e[0][0].dts=t.dts;e[0][0].pts=t.pts;e[0][0].duration+=t.duration}return e},generateSampleTable:function(e,t){var a,n,r,s,o,l=t||0,d=[];for(a=0;a<e.length;a++){s=e[a];for(n=0;n<s.length;n++){o=s[n];r=q(o,l);l+=r.size;d.push(r)}}return d},concatenateNalData:function(e){var t,a,n,r,s,o,l=0,d=e.byteLength,p=e.nalCount,u=new Uint8Array(d+4*p),c=new DataView(u.buffer);for(t=0;t<e.length;t++){r=e[t];for(a=0;a<r.length;a++){s=r[a];for(n=0;n<s.length;n++){o=s[n];c.setUint32(l,o.data.byteLength);l+=4;u.set(o.data,l);l+=o.data.byteLength}}}return u},generateSampleTableForFrame:function(e,t){var a,n=[];a=q(e,t||0);n.push(a);return n},concatenateNalDataForFrame:function(e){var t,a,n=0,r=e.byteLength,s=e.length,o=new Uint8Array(r+4*s),l=new DataView(o.buffer);for(t=0;t<e.length;t++){a=e[t];l.setUint32(n,a.data.byteLength);n+=4;o.set(a.data,n);n+=a.data.byteLength}return o}},W=[33,16,5,32,164,27],z=[33,65,108,84,1,2,4,8,168,2,4,8,17,191,252],G=function(e){var t=[];while(e--){t.push(0)}return t},K={96e3:[W,[227,64],G(154),[56]],88200:[W,[231],G(170),[56]],64e3:[W,[248,192],G(240),[56]],48e3:[W,[255,192],G(268),[55,148,128],G(54),[112]],44100:[W,[255,192],G(268),[55,163,128],G(84),[112]],32e3:[W,[255,192],G(268),[55,234],G(226),[112]],24e3:[W,[255,192],G(268),[55,255,128],G(268),[111,112],G(126),[224]],16e3:[W,[255,192],G(268),[55,255,128],G(268),[111,255],G(269),[223,108],G(195),[1,192]],12e3:[z,G(268),[3,127,248],G(268),[6,255,240],G(268),[13,255,224],G(268),[27,253,128],G(259),[56]],11025:[z,G(268),[3,127,248],G(268),[6,255,240],G(268),[13,255,224],G(268),[27,255,192],G(268),[55,175,128],G(108),[112]],8e3:[z,G(268),[3,121,16],G(47),[7]]},Y=function(e){return Object.keys(e).reduce(function(t,a){t[a]=new Uint8Array(e[a].reduce(function(e,t){return e.concat(t)},[]));return t},{})}(K),X=9e4,$,Q,J,Z,ee,te,ae;$=function(e){return e*X};Q=function(e,t){return e*t};J=function(e){return e/X};Z=function(e,t){return e/t};ee=function(e,t){return $(Z(e,t))};te=function(e,t){return Q(J(e),t)};ae=function(e,t,a){return J(a?e:e-t)};var ne={ONE_SECOND_IN_TS:X,secondsToVideoTs:$,secondsToAudioTs:Q,videoTsToSeconds:J,audioTsToSeconds:Z,audioTsToVideoTs:ee,videoTsToAudioTs:te,metadataTsToSeconds:ae},re=function(e){var t,a,n=0;for(t=0;t<e.length;t++){a=e[t];n+=a.data.byteLength}return n},ie={prefixWithSilence:function(e,t,a,n){var r,s=0,o=0,l=0,d=0,p,u,c;if(!t.length){return}r=ne.audioTsToVideoTs(e.baseMediaDecodeTime,e.samplerate);s=Math.ceil(ne.ONE_SECOND_IN_TS/(e.samplerate/1024));if(a&&n){o=r-Math.max(a,n);l=Math.floor(o/s);d=l*s}if(1>l||d>ne.ONE_SECOND_IN_TS/2){return}p=Y[e.samplerate];if(!p){p=t[0].data}for(u=0;u<l;u++){c=t[0];t.splice(0,0,{data:p,dts:c.dts-s,pts:c.pts-s})}e.baseMediaDecodeTime-=Math.floor(ne.videoTsToAudioTs(d,e.samplerate))},trimAdtsFramesByEarliestDts:function(e,t,a){if(t.minSegmentDts>=a){return e}t.minSegmentDts=1/0;return e.filter(function(e){if(e.dts>=a){t.minSegmentDts=Math.min(t.minSegmentDts,e.dts);t.minSegmentPts=t.minSegmentDts;return!0}return!1})},generateSampleTable:function(e){var t,a,n=[];for(t=0;t<e.length;t++){a=e[t];n.push({size:a.data.byteLength,duration:1024})}return n},concatenateFrameData:function(e){var t,a,n=0,r=new Uint8Array(re(e));for(t=0;t<e.length;t++){a=e[t];r.set(a.data,n);n+=a.data.byteLength}return r}},se=ne.ONE_SECOND_IN_TS,oe={clearDtsInfo:function(e){delete e.minSegmentDts;delete e.maxSegmentDts;delete e.minSegmentPts;delete e.maxSegmentPts},calculateTrackBaseMediaDecodeTime:function(e,t){var a,n,r=e.minSegmentDts;if(!t){r-=e.timelineStartInfo.dts}a=e.timelineStartInfo.baseMediaDecodeTime;a+=r;a=Math.max(0,a);if("audio"===e.type){n=e.samplerate/se;a*=n;a=Math.floor(a)}return a},collectDtsInfo:function(e,t){if("number"==typeof t.pts){if(e.timelineStartInfo.pts===void 0){e.timelineStartInfo.pts=t.pts}if(e.minSegmentPts===void 0){e.minSegmentPts=t.pts}else{e.minSegmentPts=Math.min(e.minSegmentPts,t.pts)}if(e.maxSegmentPts===void 0){e.maxSegmentPts=t.pts}else{e.maxSegmentPts=Math.max(e.maxSegmentPts,t.pts)}}if("number"==typeof t.dts){if(e.timelineStartInfo.dts===void 0){e.timelineStartInfo.dts=t.dts}if(e.minSegmentDts===void 0){e.minSegmentDts=t.dts}else{e.minSegmentDts=Math.min(e.minSegmentDts,t.dts)}if(e.maxSegmentDts===void 0){e.maxSegmentDts=t.dts}else{e.maxSegmentDts=Math.max(e.maxSegmentDts,t.dts)}}}},le=4,de={parseSei:function(e){var t=0,a={payloadType:-1,payloadSize:0},n=0,r=0;while(t<e.byteLength){if(e[t]===128){break}while(255===e[t]){n+=255;t++}n+=e[t++];while(255===e[t]){r+=255;t++}r+=e[t++];if(!a.payload&&n===le){a.payloadType=n;a.payloadSize=r;a.payload=e.subarray(t,t+r);break}t+=r;n=0;r=0}return a},parseUserData:function(e){if(181!==e.payload[0]){return null}if(49!=(e.payload[1]<<8|e.payload[2])){return null}if("GA94"!==String.fromCharCode(e.payload[3],e.payload[4],e.payload[5],e.payload[6])){return null}if(3!==e.payload[7]){return null}return e.payload.subarray(8,e.payload.length-1)},parseCaptionPackets:function(e,t){var a=[],n,r,s,o;if(!(64&t[0])){return a}r=31&t[0];for(n=0;n<r;n++){s=3*n;o={type:3&t[s+2],pts:e};if(4&t[s+2]){o.ccData=t[s+3]<<8|t[s+4];a.push(o)}}return a},discardEmulationPreventionBytes:function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s},USER_DATA_REGISTERED_ITU_T_T35:le},pe=function e(){e.prototype.init.call(this);this.captionPackets_=[];this.ccStreams_=[new he(0,0),new he(0,1),new he(1,0),new he(1,1)];this.reset();this.ccStreams_.forEach(function(e){e.on("data",this.trigger.bind(this,"data"));e.on("partialdone",this.trigger.bind(this,"partialdone"));e.on("done",this.trigger.bind(this,"done"))},this)};pe.prototype=new a;pe.prototype.push=function(e){var t,a,n;if("sei_rbsp"!==e.nalUnitType){return}t=de.parseSei(e.escapedRBSP);if(t.payloadType!==de.USER_DATA_REGISTERED_ITU_T_T35){return}a=de.parseUserData(t);if(!a){return}if(e.dts<this.latestDts_){this.ignoreNextEqualDts_=!0;return}else if(e.dts===this.latestDts_&&this.ignoreNextEqualDts_){this.numSameDts_--;if(!this.numSameDts_){this.ignoreNextEqualDts_=!1}return}n=de.parseCaptionPackets(e.pts,a);this.captionPackets_=this.captionPackets_.concat(n);if(this.latestDts_!==e.dts){this.numSameDts_=0}this.numSameDts_++;this.latestDts_=e.dts};pe.prototype.flushCCStreams=function(e){this.ccStreams_.forEach(function(t){return"flush"===e?t.flush():t.partialFlush()},this)};pe.prototype.flushStream=function(e){if(!this.captionPackets_.length){this.flushCCStreams(e);return}this.captionPackets_.forEach(function(e,t){e.presortIndex=t});this.captionPackets_.sort(function(e,t){if(e.pts===t.pts){return e.presortIndex-t.presortIndex}return e.pts-t.pts});this.captionPackets_.forEach(function(e){if(2>e.type){this.dispatchCea608Packet(e)}},this);this.captionPackets_.length=0;this.flushCCStreams(e)};pe.prototype.flush=function(){return this.flushStream("flush")};pe.prototype.partialFlush=function(){return this.flushStream("partialFlush")};pe.prototype.reset=function(){this.latestDts_=null;this.ignoreNextEqualDts_=!1;this.numSameDts_=0;this.activeCea608Channel_=[null,null];this.ccStreams_.forEach(function(e){e.reset()})};pe.prototype.dispatchCea608Packet=function(e){if(this.setsTextOrXDSActive(e)){this.activeCea608Channel_[e.type]=null}else if(this.setsChannel1Active(e)){this.activeCea608Channel_[e.type]=0}else if(this.setsChannel2Active(e)){this.activeCea608Channel_[e.type]=1}if(null===this.activeCea608Channel_[e.type]){return}this.ccStreams_[(e.type<<1)+this.activeCea608Channel_[e.type]].push(e)};pe.prototype.setsChannel1Active=function(e){return 4096==(30720&e.ccData)};pe.prototype.setsChannel2Active=function(e){return 6144==(30720&e.ccData)};pe.prototype.setsTextOrXDSActive=function(e){return 256==(28928&e.ccData)||4138==(30974&e.ccData)||6186==(30974&e.ccData)};var ue={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},ce=function(e){if(null===e){return""}e=ue[e]||e;return String.fromCharCode(e)},me=14,ge=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],ye=function(){var e=[],t=me+1;while(t--){e.push("")}return e},he=function a(e,t){a.prototype.init.call(this);this.field_=e||0;this.dataChannel_=t||0;this.name_="CC"+((this.field_<<1|this.dataChannel_)+1);this.setConstants();this.reset();this.push=function(e){var t,a,n,r,i;t=32639&e.ccData;if(t===this.lastControlCode_){this.lastControlCode_=null;return}if(4096==(61440&t)){this.lastControlCode_=t}else if(t!==this.PADDING_){this.lastControlCode_=null}n=t>>>8;r=255&t;if(t===this.PADDING_){}else if(t===this.RESUME_CAPTION_LOADING_){this.mode_="popOn"}else if(t===this.END_OF_CAPTION_){this.mode_="popOn";this.clearFormatting(e.pts);this.flushDisplayed(e.pts);a=this.displayed_;this.displayed_=this.nonDisplayed_;this.nonDisplayed_=a;this.startPts_=e.pts}else if(t===this.ROLL_UP_2_ROWS_){this.rollUpRows_=2;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_3_ROWS_){this.rollUpRows_=3;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_4_ROWS_){this.rollUpRows_=4;this.setRollUp(e.pts)}else if(t===this.CARRIAGE_RETURN_){this.clearFormatting(e.pts);this.flushDisplayed(e.pts);this.shiftRowsUp_();this.startPts_=e.pts}else if(t===this.BACKSPACE_){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}}else if(t===this.ERASE_DISPLAYED_MEMORY_){this.flushDisplayed(e.pts);this.displayed_=ye()}else if(t===this.ERASE_NON_DISPLAYED_MEMORY_){this.nonDisplayed_=ye()}else if(t===this.RESUME_DIRECT_CAPTIONING_){if("paintOn"!==this.mode_){this.flushDisplayed(e.pts);this.displayed_=ye()}this.mode_="paintOn";this.startPts_=e.pts}else if(this.isSpecialCharacter(n,r)){n=(3&n)<<8;i=ce(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isExtCharacter(n,r)){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}n=(3&n)<<8;i=ce(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isMidRowCode(n,r)){this.clearFormatting(e.pts);this[this.mode_](e.pts," ");this.column_++;if(14==(14&r)){this.addFormatting(e.pts,["i"])}if(1==(1&r)){this.addFormatting(e.pts,["u"])}}else if(this.isOffsetControlCode(n,r)){this.column_+=3&r}else if(this.isPAC(n,r)){var s=ge.indexOf(7968&t);if("rollUp"===this.mode_){if(0>s-this.rollUpRows_+1){s=this.rollUpRows_-1}this.setRollUp(e.pts,s)}if(s!==this.row_){this.clearFormatting(e.pts);this.row_=s}if(1&r&&-1===this.formatting_.indexOf("u")){this.addFormatting(e.pts,["u"])}if(16==(16&t)){this.column_=4*((14&t)>>1)}if(this.isColorPAC(r)){if(14==(14&r)){this.addFormatting(e.pts,["i"])}}}else if(this.isNormalChar(n)){if(0===r){r=null}i=ce(n);i+=ce(r);this[this.mode_](e.pts,i);this.column_+=i.length}}};he.prototype=new a;he.prototype.flushDisplayed=function(e){var t=this.displayed_.map(function(e){try{return e.trim()}catch(t){console.error("Skipping malformed caption.");return""}}).join("\n").replace(/^\n+|\n+$/g,"");if(t.length){this.trigger("data",{startPts:this.startPts_,endPts:e,text:t,stream:this.name_})}};he.prototype.reset=function(){this.mode_="popOn";this.topRow_=0;this.startPts_=0;this.displayed_=ye();this.nonDisplayed_=ye();this.lastControlCode_=null;this.column_=0;this.row_=me;this.rollUpRows_=2;this.formatting_=[]};he.prototype.setConstants=function(){if(0===this.dataChannel_){this.BASE_=16;this.EXT_=17;this.CONTROL_=(20|this.field_)<<8;this.OFFSET_=23}else if(1===this.dataChannel_){this.BASE_=24;this.EXT_=25;this.CONTROL_=(28|this.field_)<<8;this.OFFSET_=31}this.PADDING_=0;this.RESUME_CAPTION_LOADING_=32|this.CONTROL_;this.END_OF_CAPTION_=47|this.CONTROL_;this.ROLL_UP_2_ROWS_=37|this.CONTROL_;this.ROLL_UP_3_ROWS_=38|this.CONTROL_;this.ROLL_UP_4_ROWS_=39|this.CONTROL_;this.CARRIAGE_RETURN_=45|this.CONTROL_;this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_;this.BACKSPACE_=33|this.CONTROL_;this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_;this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_};he.prototype.isSpecialCharacter=function(e,t){return e===this.EXT_&&48<=t&&63>=t};he.prototype.isExtCharacter=function(e,t){return(e===this.EXT_+1||e===this.EXT_+2)&&32<=t&&63>=t};he.prototype.isMidRowCode=function(e,t){return e===this.EXT_&&32<=t&&47>=t};he.prototype.isOffsetControlCode=function(e,t){return e===this.OFFSET_&&33<=t&&35>=t};he.prototype.isPAC=function(e,t){return e>=this.BASE_&&e<this.BASE_+8&&64<=t&&127>=t};he.prototype.isColorPAC=function(e){return 64<=e&&79>=e||96<=e&&127>=e};he.prototype.isNormalChar=function(e){return 32<=e&&127>=e};he.prototype.setRollUp=function(e,t){if("rollUp"!==this.mode_){this.row_=me;this.mode_="rollUp";this.flushDisplayed(e);this.nonDisplayed_=ye();this.displayed_=ye()}if(t!==void 0&&t!==this.row_){for(var a=0;a<this.rollUpRows_;a++){this.displayed_[t-a]=this.displayed_[this.row_-a];this.displayed_[this.row_-a]=""}}if(t===void 0){t=this.row_}this.topRow_=t-this.rollUpRows_+1};he.prototype.addFormatting=function(e,t){this.formatting_=this.formatting_.concat(t);var a=t.reduce(function(e,t){return e+"<"+t+">"},"");this[this.mode_](e,a)};he.prototype.clearFormatting=function(e){if(!this.formatting_.length){return}var t=this.formatting_.reverse().reduce(function(e,t){return e+"</"+t+">"},"");this.formatting_=[];this[this.mode_](e,t)};he.prototype.popOn=function(e,t){var a=this.nonDisplayed_[this.row_];a+=t;this.nonDisplayed_[this.row_]=a};he.prototype.rollUp=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};he.prototype.shiftRowsUp_=function(){var e;for(e=0;e<this.topRow_;e++){this.displayed_[e]=""}for(e=this.row_+1;e<me+1;e++){this.displayed_[e]=""}for(e=this.topRow_;e<this.row_;e++){this.displayed_[e]=this.displayed_[e+1]}this.displayed_[this.row_]=""};he.prototype.paintOn=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};var _e={CaptionStream:pe,Cea608Stream:he},fe={H264_STREAM_TYPE:27,ADTS_STREAM_TYPE:15,METADATA_STREAM_TYPE:21},Te="shared",be=function(e,t){var a=1;if(e>t){a=-1}while(Math.abs(t-e)>4294967296){e+=a*8589934592}return e},ve=function t(e){var a,n;t.prototype.init.call(this);this.type_=e||Te;this.push=function(e){if(this.type_!==Te&&e.type!==this.type_){return}if(n===void 0){n=e.dts}e.dts=be(e.dts,n);e.pts=be(e.pts,n);a=e.dts;this.trigger("data",e)};this.flush=function(){n=a;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.discontinuity=function(){n=void 0;a=void 0};this.reset=function(){this.discontinuity();this.trigger("reset")}};ve.prototype=new a;var Se=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},ke=function(e,t,a){return decodeURIComponent(Se(e,t,a))},Ce=function(e,t,a){return unescape(Se(e,t,a))},Ee=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},Ie={TXXX:function(e){var t;if(3!==e.data[0]){return}for(t=1;t<e.data.length;t++){if(0===e.data[t]){e.description=ke(e.data,1,t);e.value=ke(e.data,t+1,e.data.length).replace(/\0*$/,"");break}}e.data=e.value},WXXX:function(e){var t;if(3!==e.data[0]){return}for(t=1;t<e.data.length;t++){if(0===e.data[t]){e.description=ke(e.data,1,t);e.url=ke(e.data,t+1,e.data.length);break}}},PRIV:function(e){var t;for(t=0;t<e.data.length;t++){if(0===e.data[t]){e.owner=Ce(e.data,0,t);break}}e.privateData=e.data.subarray(t+1);e.data=e.privateData}},xe;xe=function(e){var t={debug:!!(e&&e.debug),descriptor:e&&e.descriptor},a=0,n=[],r=0,s;xe.prototype.init.call(this);this.dispatchType=fe.METADATA_STREAM_TYPE.toString(16);if(t.descriptor){for(s=0;s<t.descriptor.length;s++){this.dispatchType+=("00"+t.descriptor[s].toString(16)).slice(-2)}}this.push=function(e){var s,o,l,p,u,c;if("timed-metadata"!==e.type){return}if(e.dataAlignmentIndicator){r=0;n.length=0}if(0===n.length&&(10>e.data.length||e.data[0]!==73||e.data[1]!==68||e.data[2]!==51)){if(t.debug){console.log("Skipping unrecognized metadata packet")}return}n.push(e);r+=e.data.byteLength;if(1===n.length){a=Ee(e.data.subarray(6,10));a+=10}if(r<a){return}s={data:new Uint8Array(a),frames:[],pts:n[0].pts,dts:n[0].dts};for(u=0;u<a;){s.data.set(n[0].data.subarray(0,a-u),u);u+=n[0].data.byteLength;r-=n[0].data.byteLength;n.shift()}o=10;if(64&s.data[5]){o+=4;o+=Ee(s.data.subarray(10,14));a-=Ee(s.data.subarray(16,20))}do{l=Ee(s.data.subarray(o+4,o+8));if(1>l){return console.log("Malformed ID3 frame encountered. Skipping metadata parsing.")}c=String.fromCharCode(s.data[o],s.data[o+1],s.data[o+2],s.data[o+3]);p={id:c,data:s.data.subarray(o+10,o+l+10)};p.key=p.id;if(Ie[p.id]){Ie[p.id](p);if("com.apple.streaming.transportStreamTimestamp"===p.owner){var m=p.data,d=(1&m[3])<<30|m[4]<<22|m[5]<<14|m[6]<<6|m[7]>>>2;d*=4;d+=3&m[7];p.timeStamp=d;if(s.pts===void 0&&s.dts===void 0){s.pts=p.timeStamp;s.dts=p.timeStamp}this.trigger("timestamp",p)}}s.frames.push(p);o+=10;o+=l}while(o<a);this.trigger("data",s)}};xe.prototype=new a;var Le=xe,Pe={TimestampRolloverStream:ve,handleRollover:be}.TimestampRolloverStream,De,we,Ae,Oe=188,Re=71;De=function(){var e=new Uint8Array(Oe),t=0;De.prototype.init.call(this);this.push=function(a){var n=0,r=Oe,i;if(t){i=new Uint8Array(a.byteLength+t);i.set(e.subarray(0,t));i.set(a,t);t=0}else{i=a}while(r<i.byteLength){if(i[n]===Re&&i[r]===Re){this.trigger("data",i.subarray(n,r));n+=Oe;r+=Oe;continue}n++;r++}if(n<i.byteLength){e.set(i.subarray(n),0);t=i.byteLength-n}};this.flush=function(){if(t===Oe&&e[0]===Re){this.trigger("data",e);t=0}this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.reset=function(){t=0;this.trigger("reset")}};De.prototype=new a;we=function(){var e,t,a,n;we.prototype.init.call(this);n=this;this.packetsWaitingForPmt=[];this.programMapTable=void 0;e=function(e,n){var r=0;if(n.payloadUnitStartIndicator){r+=e[r]+1}if("pat"===n.type){t(e.subarray(r),n)}else{a(e.subarray(r),n)}};t=function(e,t){t.section_number=e[7];t.last_section_number=e[8];n.pmtPid=(31&e[10])<<8|e[11];t.pmtPid=n.pmtPid};a=function(e,t){var a,r,i,s;if(!(1&e[5])){return}n.programMapTable={video:null,audio:null,"timed-metadata":{}};a=(15&e[1])<<8|e[2];r=3+a-4;i=(15&e[10])<<8|e[11];s=12+i;while(s<r){var o=e[s],l=(31&e[s+1])<<8|e[s+2];if(o===fe.H264_STREAM_TYPE&&null===n.programMapTable.video){n.programMapTable.video=l}else if(o===fe.ADTS_STREAM_TYPE&&null===n.programMapTable.audio){n.programMapTable.audio=l}else if(o===fe.METADATA_STREAM_TYPE){n.programMapTable["timed-metadata"][l]=o}s+=((15&e[s+3])<<8|e[s+4])+5}t.programMapTable=n.programMapTable};this.push=function(t){var a={},n=4;a.payloadUnitStartIndicator=!!(64&t[1]);a.pid=31&t[1];a.pid<<=8;a.pid|=t[2];if(1<(48&t[3])>>>4){n+=t[n]+1}if(0===a.pid){a.type="pat";e(t.subarray(n),a);this.trigger("data",a)}else if(a.pid===this.pmtPid){a.type="pmt";e(t.subarray(n),a);this.trigger("data",a);while(this.packetsWaitingForPmt.length){this.processPes_.apply(this,this.packetsWaitingForPmt.shift())}}else if(this.programMapTable===void 0){this.packetsWaitingForPmt.push([t,n,a])}else{this.processPes_(t,n,a)}};this.processPes_=function(e,t,a){if(a.pid===this.programMapTable.video){a.streamType=fe.H264_STREAM_TYPE}else if(a.pid===this.programMapTable.audio){a.streamType=fe.ADTS_STREAM_TYPE}else{a.streamType=this.programMapTable["timed-metadata"][a.pid]}a.type="pes";a.data=e.subarray(t);this.trigger("data",a)}};we.prototype=new a;we.STREAM_TYPES={h264:27,adts:15};Ae=function(){var e=this,t={data:[],size:0},a={data:[],size:0},n={data:[],size:0},r,s=function(e,t){var a;t.packetLength=6+(e[4]<<8|e[5]);t.dataAlignmentIndicator=0!=(4&e[6]);a=e[7];if(192&a){t.pts=(14&e[9])<<27|(255&e[10])<<20|(254&e[11])<<12|(255&e[12])<<5|(254&e[13])>>>3;t.pts*=4;t.pts+=(6&e[13])>>>1;t.dts=t.pts;if(64&a){t.dts=(14&e[14])<<27|(255&e[15])<<20|(254&e[16])<<12|(255&e[17])<<5|(254&e[18])>>>3;t.dts*=4;t.dts+=(6&e[18])>>>1}}t.data=e.subarray(9+e[8])},o=function(t,a,n){var r=new Uint8Array(t.size),o={type:a},l=0,d=0,p=!1,u;if(!t.data.length||9>t.size){return}o.trackId=t.data[0].pid;for(l=0;l<t.data.length;l++){u=t.data[l];r.set(u.data,d);d+=u.data.byteLength}s(r,o);p="video"===a||o.packetLength<=t.size;if(n||p){t.size=0;t.data.length=0}if(p){e.trigger("data",o)}};Ae.prototype.init.call(this);this.push=function(i){({pat:function(){},pes:function(){var e,r;switch(i.streamType){case fe.H264_STREAM_TYPE:case fe.H264_STREAM_TYPE:e=t;r="video";break;case fe.ADTS_STREAM_TYPE:e=a;r="audio";break;case fe.METADATA_STREAM_TYPE:e=n;r="timed-metadata";break;default:return;}if(i.payloadUnitStartIndicator){o(e,r,!0)}e.data.push(i);e.size+=i.data.byteLength},pmt:function(){var t={type:"metadata",tracks:[]};r=i.programMapTable;if(null!==r.video){t.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+r.video,codec:"avc",type:"video"})}if(null!==r.audio){t.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+r.audio,codec:"adts",type:"audio"})}e.trigger("data",t)}})[i.type]()};this.reset=function(){t.size=0;t.data.length=0;a.size=0;a.data.length=0;this.trigger("reset")};this.flushStreams_=function(){o(t,"video");o(a,"audio");o(n,"timed-metadata")};this.flush=function(){this.flushStreams_();this.trigger("done")}};Ae.prototype=new a;var Ne={PAT_PID:0,MP2T_PACKET_LENGTH:Oe,TransportPacketStream:De,TransportParseStream:we,ElementaryStream:Ae,TimestampRolloverStream:Pe,CaptionStream:_e.CaptionStream,Cea608Stream:_e.Cea608Stream,MetadataStream:Le};for(var Ue in fe){if(fe.hasOwnProperty(Ue)){Ne[Ue]=fe[Ue]}}var Me=Ne,Be=ne.ONE_SECOND_IN_TS,je,Fe=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];je=function(e){var t,a=0;je.prototype.init.call(this);this.push=function(n){var r=0,s,o,l,d,p,u;if(!e){a=0}if("audio"!==n.type){return}if(t){d=t;t=new Uint8Array(d.byteLength+n.data.byteLength);t.set(d);t.set(n.data,d.byteLength)}else{t=n.data}while(r+5<t.length){if(255!==t[r]||240!=(246&t[r+1])){r++;continue}o=2*(1&~t[r+1]);s=(3&t[r+3])<<11|t[r+4]<<3|(224&t[r+5])>>5;p=1024*((3&t[r+6])+1);u=p*Be/Fe[(60&t[r+2])>>>2];l=r+s;if(t.byteLength<l){return}this.trigger("data",{pts:n.pts+a*u,dts:n.dts+a*u,sampleCount:p,audioobjecttype:(3&t[r+2]>>>6)+1,channelcount:(1&t[r+2])<<2|(192&t[r+3])>>>6,samplerate:Fe[(60&t[r+2])>>>2],samplingfrequencyindex:(60&t[r+2])>>>2,samplesize:16,data:t.subarray(r+7+o,l)});a++;if(t.byteLength===l){t=void 0;return}t=t.subarray(l)}};this.flush=function(){a=0;this.trigger("done")};this.reset=function(){t=void 0;this.trigger("reset")};this.endTimeline=function(){t=void 0;this.trigger("endedtimeline")}};je.prototype=new a;var He=je,qe;qe=function(e){var t=e.byteLength,a=0,n=0;this.length=function(){return 8*t};this.bitsAvailable=function(){return 8*t+n};this.loadWord=function(){var r=e.byteLength-t,i=new Uint8Array(4),s=Math.min(4,t);if(0===s){throw new Error("no bytes available")}i.set(e.subarray(r,r+s));a=new DataView(i.buffer).getUint32(0);n=8*s;t-=s};this.skipBits=function(e){var r;if(n>e){a<<=e;n-=e}else{e-=n;r=Math.floor(e/8);e-=8*r;t-=r;this.loadWord();a<<=e;n-=e}};this.readBits=function(e){var r=Math.min(n,e),i=a>>>32-r;n-=r;if(0<n){a<<=r}else if(0<t){this.loadWord()}r=e-r;if(0<r){return i<<r|this.readBits(r)}return i};this.skipLeadingZeros=function(){var e;for(e=0;e<n;++e){if(0!=(a&2147483648>>>e)){a<<=e;n-=e;return e}}this.loadWord();return e+this.skipLeadingZeros()};this.skipUnsignedExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())};this.skipExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())};this.readUnsignedExpGolomb=function(){var e=this.skipLeadingZeros();return this.readBits(e+1)-1};this.readExpGolomb=function(){var e=this.readUnsignedExpGolomb();if(1&e){return 1+e>>>1}return-1*(e>>>1)};this.readBoolean=function(){return 1===this.readBits(1)};this.readUnsignedByte=function(){return this.readBits(8)};this.loadWord()};var Ve=qe,We,ze,Ge;ze=function(){var e=0,t,a;ze.prototype.init.call(this);this.push=function(n){var r;if(!a){a=n.data}else{r=new Uint8Array(a.byteLength+n.data.byteLength);r.set(a);r.set(n.data,a.byteLength);a=r}var i=a.byteLength;for(;e<i-3;e++){if(1===a[e+2]){t=e+5;break}}while(t<i){switch(a[t]){case 0:if(0!==a[t-1]){t+=2;break}else if(0!==a[t-2]){t++;break}if(e+3!==t-2){this.trigger("data",a.subarray(e+3,t-2))}do{t++}while(1!==a[t]&&t<i);e=t-2;t+=3;break;case 1:if(0!==a[t-1]||0!==a[t-2]){t+=3;break}this.trigger("data",a.subarray(e+3,t-2));e=t-2;t+=3;break;default:t+=3;break;}}a=a.subarray(e);t-=e;e=0};this.reset=function(){a=null;e=0;this.trigger("reset")};this.flush=function(){if(a&&3<a.byteLength){this.trigger("data",a.subarray(e+3))}a=null;e=0;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")}};ze.prototype=new a;Ge={100:!0,110:!0,122:!0,244:!0,44:!0,83:!0,86:!0,118:!0,128:!0,138:!0,139:!0,134:!0};We=function(){var e=new ze,t,a,n,r,i,s,o;We.prototype.init.call(this);t=this;this.push=function(t){if("video"!==t.type){return}a=t.trackId;n=t.pts;r=t.dts;e.push(t)};e.on("data",function(e){var o={trackId:a,pts:n,dts:r,data:e};switch(31&e[0]){case 5:o.nalUnitType="slice_layer_without_partitioning_rbsp_idr";break;case 6:o.nalUnitType="sei_rbsp";o.escapedRBSP=i(e.subarray(1));break;case 7:o.nalUnitType="seq_parameter_set_rbsp";o.escapedRBSP=i(e.subarray(1));o.config=s(o.escapedRBSP);break;case 8:o.nalUnitType="pic_parameter_set_rbsp";break;case 9:o.nalUnitType="access_unit_delimiter_rbsp";break;default:break;}t.trigger("data",o)});e.on("done",function(){t.trigger("done")});e.on("partialdone",function(){t.trigger("partialdone")});e.on("reset",function(){t.trigger("reset")});e.on("endedtimeline",function(){t.trigger("endedtimeline")});this.flush=function(){e.flush()};this.partialFlush=function(){e.partialFlush()};this.reset=function(){e.reset()};this.endTimeline=function(){e.endTimeline()};o=function(e,t){var a=8,n=8,r,i;for(r=0;r<e;r++){if(0!==n){i=t.readExpGolomb();n=(a+i+256)%256}a=0===n?a:n}};i=function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s};s=function(e){var t=0,a=0,n=0,r=0,s=1,l,d,p,u,c,m,g,y,h,_,f,T,b,v;l=new Ve(e);d=l.readUnsignedByte();u=l.readUnsignedByte();p=l.readUnsignedByte();l.skipUnsignedExpGolomb();if(Ge[d]){c=l.readUnsignedExpGolomb();if(3===c){l.skipBits(1)}l.skipUnsignedExpGolomb();l.skipUnsignedExpGolomb();l.skipBits(1);if(l.readBoolean()){f=3!==c?8:12;for(v=0;v<f;v++){if(l.readBoolean()){if(6>v){o(16,l)}else{o(64,l)}}}}}l.skipUnsignedExpGolomb();m=l.readUnsignedExpGolomb();if(0===m){l.readUnsignedExpGolomb()}else if(1===m){l.skipBits(1);l.skipExpGolomb();l.skipExpGolomb();g=l.readUnsignedExpGolomb();for(v=0;v<g;v++){l.skipExpGolomb()}}l.skipUnsignedExpGolomb();l.skipBits(1);y=l.readUnsignedExpGolomb();h=l.readUnsignedExpGolomb();_=l.readBits(1);if(0===_){l.skipBits(1)}l.skipBits(1);if(l.readBoolean()){t=l.readUnsignedExpGolomb();a=l.readUnsignedExpGolomb();n=l.readUnsignedExpGolomb();r=l.readUnsignedExpGolomb()}if(l.readBoolean()){if(l.readBoolean()){b=l.readUnsignedByte();switch(b){case 1:T=[1,1];break;case 2:T=[12,11];break;case 3:T=[10,11];break;case 4:T=[16,11];break;case 5:T=[40,33];break;case 6:T=[24,11];break;case 7:T=[20,11];break;case 8:T=[32,11];break;case 9:T=[80,33];break;case 10:T=[18,11];break;case 11:T=[15,11];break;case 12:T=[64,33];break;case 13:T=[160,99];break;case 14:T=[4,3];break;case 15:T=[3,2];break;case 16:T=[2,1];break;case 255:{T=[l.readUnsignedByte()<<8|l.readUnsignedByte(),l.readUnsignedByte()<<8|l.readUnsignedByte()];break}}if(T){s=T[0]/T[1]}}}return{profileIdc:d,levelIdc:p,profileCompatibility:u,width:Math.ceil((16*(y+1)-2*t-2*a)*s),height:16*((2-_)*(h+1))-2*n-2*r,sarRatio:T}}};We.prototype=new a;var Ke={H264Stream:We,NalByteStream:ze},Ye=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],Xe=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},$e=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},Qe=function(e,t,a){return unescape($e(e,t,a))},Je={isLikelyAacData:function(e){if(e[0]===73&&e[1]===68&&e[2]===51){return!0}return!1},parseId3TagSize:function(e,t){var a=e[t+6]<<21|e[t+7]<<14|e[t+8]<<7|e[t+9],n=e[t+5];if((16&n)>>4){return a+20}return a+10},parseAdtsSize:function(e,t){var a=(224&e[t+5])>>5,n=e[t+4]<<3,r=e[t+3]&6144;return r|n|a},parseType:function(e,t){if(e[t]===73&&e[t+1]===68&&e[t+2]===51){return"timed-metadata"}else if(e[t]&!0&&240==(240&e[t+1])){return"audio"}return null},parseSampleRate:function(e){var t=0;while(t+5<e.length){if(255!==e[t]||240!=(246&e[t+1])){t++;continue}return Ye[(60&e[t+2])>>>2]}return null},parseAacTimestamp:function(e){var t,a,n,r;t=10;if(64&e[5]){t+=4;t+=Xe(e.subarray(10,14))}do{a=Xe(e.subarray(t+4,t+8));if(1>a){return null}r=String.fromCharCode(e[t],e[t+1],e[t+2],e[t+3]);if("PRIV"===r){n=e.subarray(t+10,t+a+10);for(var s=0;s<n.byteLength;s++){if(0===n[s]){var o=Qe(n,0,s);if("com.apple.streaming.transportStreamTimestamp"===o){var l=n.subarray(s+1),d=(1&l[3])<<30|l[4]<<22|l[5]<<14|l[6]<<6|l[7]>>>2;d*=4;d+=3&l[7];return d}break}}}t+=10;t+=a}while(t<e.byteLength);return null}},Ze;Ze=function(){var e=new Uint8Array,t=0;Ze.prototype.init.call(this);this.setTimestamp=function(e){t=e};this.push=function(a){var n=0,r=0,i,s,o,l;if(e.length){l=e.length;e=new Uint8Array(a.byteLength+l);e.set(e.subarray(0,l));e.set(a,l)}else{e=a}while(3<=e.length-r){if(e[r]===73&&e[r+1]===68&&e[r+2]===51){if(10>e.length-r){break}n=Je.parseId3TagSize(e,r);if(r+n>e.length){break}s={type:"timed-metadata",data:e.subarray(r,r+n)};this.trigger("data",s);r+=n;continue}else if(255==(255&e[r])&&240==(240&e[r+1])){if(7>e.length-r){break}n=Je.parseAdtsSize(e,r);if(r+n>e.length){break}o={type:"audio",data:e.subarray(r,r+n),pts:t,dts:t};this.trigger("data",o);r+=n;continue}r++}i=e.length-r;if(0<i){e=e.subarray(r)}else{e=new Uint8Array}};this.reset=function(){e=new Uint8Array;this.trigger("reset")};this.endTimeline=function(){e=new Uint8Array;this.trigger("endedtimeline")}};Ze.prototype=new a;var et=Ze,tt=Ke.H264Stream,at=Je.isLikelyAacData,nt=ne.ONE_SECOND_IN_TS,rt=["audioobjecttype","channelcount","samplerate","samplingfrequencyindex","samplesize"],it=["width","height","profileIdc","levelIdc","profileCompatibility","sarRatio"],st,ot,lt,dt,pt=function(e,t){var a;if(e.length!==t.length){return!1}for(a=0;a<e.length;a++){if(e[a]!==t[a]){return!1}}return!0},ut=function(e,t,a,n,r,i){return{start:{dts:e,pts:e+(a-t)},end:{dts:e+(n-t),pts:e+(r-a)},prependedContentDuration:i,baseMediaDecodeTime:e}};ot=function(e,t){var a=[],n=0,r=0,i=0,s=1/0;t=t||{};ot.prototype.init.call(this);this.push=function(t){oe.collectDtsInfo(e,t);if(e){rt.forEach(function(a){e[a]=t[a]})}a.push(t)};this.setEarliestDts=function(t){r=t-e.timelineStartInfo.baseMediaDecodeTime};this.setVideoBaseMediaDecodeTime=function(e){s=e};this.setAudioAppendStart=function(e){i=e};this.flush=function(){var o,l,d,p,u;if(0===a.length){this.trigger("done","AudioSegmentStream");return}o=ie.trimAdtsFramesByEarliestDts(a,e,r);e.baseMediaDecodeTime=oe.calculateTrackBaseMediaDecodeTime(e,t.keepOriginalTimestamps);ie.prefixWithSilence(e,o,i,s);e.samples=ie.generateSampleTable(o);d=F.mdat(ie.concatenateFrameData(o));a=[];l=F.moof(n,[e]);p=new Uint8Array(l.byteLength+d.byteLength);n++;p.set(l);p.set(d,l.byteLength);oe.clearDtsInfo(e);u=Math.ceil(1024*nt/e.samplerate);if(o.length){this.trigger("timingInfo",{start:o[0].pts,end:o[0].pts+o.length*u})}this.trigger("data",{track:e,boxes:p});this.trigger("done","AudioSegmentStream")};this.reset=function(){oe.clearDtsInfo(e);a=[];this.trigger("reset")}};ot.prototype=new a;st=function(e,t){var a=0,n=[],r=[],i,s;t=t||{};st.prototype.init.call(this);delete e.minPTS;this.gopCache_=[];this.push=function(t){oe.collectDtsInfo(e,t);if("seq_parameter_set_rbsp"===t.nalUnitType&&!i){i=t.config;e.sps=[t.data];it.forEach(function(t){e[t]=i[t]},this)}if("pic_parameter_set_rbsp"===t.nalUnitType&&!s){s=t.data;e.pps=[t.data]}n.push(t)};this.flush=function(){var i,s,o,l,d,p,u=0,c,m;while(n.length){if("access_unit_delimiter_rbsp"===n[0].nalUnitType){break}n.shift()}if(0===n.length){this.resetStream_();this.trigger("done","VideoSegmentStream");return}i=V.groupNalsIntoFrames(n);o=V.groupFramesIntoGops(i);if(!o[0][0].keyFrame){s=this.getGopForFusion_(n[0],e);if(s){u=s.duration;o.unshift(s);o.byteLength+=s.byteLength;o.nalCount+=s.nalCount;o.pts=s.pts;o.dts=s.dts;o.duration+=s.duration}else{o=V.extendFirstKeyFrame(o)}}if(r.length){var g;if(t.alignGopsAtEnd){g=this.alignGopsAtEnd_(o)}else{g=this.alignGopsAtStart_(o)}if(!g){this.gopCache_.unshift({gop:o.pop(),pps:e.pps,sps:e.sps});this.gopCache_.length=Math.min(6,this.gopCache_.length);n=[];this.resetStream_();this.trigger("done","VideoSegmentStream");return}oe.clearDtsInfo(e);o=g}oe.collectDtsInfo(e,o);e.samples=V.generateSampleTable(o);d=F.mdat(V.concatenateNalData(o));e.baseMediaDecodeTime=oe.calculateTrackBaseMediaDecodeTime(e,t.keepOriginalTimestamps);this.trigger("processedGopsInfo",o.map(function(e){return{pts:e.pts,dts:e.dts,byteLength:e.byteLength}}));c=o[0];m=o[o.length-1];this.trigger("segmentTimingInfo",ut(e.baseMediaDecodeTime,c.dts,c.pts,m.dts+m.duration,m.pts+m.duration,u));this.trigger("timingInfo",{start:o[0].pts,end:o[o.length-1].pts+o[o.length-1].duration});this.gopCache_.unshift({gop:o.pop(),pps:e.pps,sps:e.sps});this.gopCache_.length=Math.min(6,this.gopCache_.length);n=[];this.trigger("baseMediaDecodeTime",e.baseMediaDecodeTime);this.trigger("timelineStartInfo",e.timelineStartInfo);l=F.moof(a,[e]);p=new Uint8Array(l.byteLength+d.byteLength);a++;p.set(l);p.set(d,l.byteLength);this.trigger("data",{track:e,boxes:p});this.resetStream_();this.trigger("done","VideoSegmentStream")};this.reset=function(){this.resetStream_();n=[];this.gopCache_.length=0;r.length=0;this.trigger("reset")};this.resetStream_=function(){oe.clearDtsInfo(e);i=void 0;s=void 0};this.getGopForFusion_=function(t){var a=1/0,n,r,s,o,l;for(l=0;l<this.gopCache_.length;l++){o=this.gopCache_[l];s=o.gop;if(!(e.pps&&pt(e.pps[0],o.pps[0]))||!(e.sps&&pt(e.sps[0],o.sps[0]))){continue}if(s.dts<e.timelineStartInfo.dts){continue}n=t.dts-s.dts-s.duration;if(n>=-10000&&n<=45000){if(!r||a>n){r=o;a=n}}}if(r){return r.gop}return null};this.alignGopsAtStart_=function(e){var t,a,n,i,s,o,l,d;s=e.byteLength;o=e.nalCount;l=e.duration;t=a=0;while(t<r.length&&a<e.length){n=r[t];i=e[a];if(n.pts===i.pts){break}if(i.pts>n.pts){t++;continue}a++;s-=i.byteLength;o-=i.nalCount;l-=i.duration}if(0===a){return e}if(a===e.length){return null}d=e.slice(a);d.byteLength=s;d.duration=l;d.nalCount=o;d.pts=d[0].pts;d.dts=d[0].dts;return d};this.alignGopsAtEnd_=function(e){var t,a,n,i,s,o;t=r.length-1;a=e.length-1;s=null;o=!1;while(0<=t&&0<=a){n=r[t];i=e[a];if(n.pts===i.pts){o=!0;break}if(n.pts>i.pts){t--;continue}if(t===r.length-1){s=a}a--}if(!o&&null===s){return null}var l;if(o){l=a}else{l=s}if(0===l){return e}var d=e.slice(l),p=d.reduce(function(e,t){e.byteLength+=t.byteLength;e.duration+=t.duration;e.nalCount+=t.nalCount;return e},{byteLength:0,duration:0,nalCount:0});d.byteLength=p.byteLength;d.duration=p.duration;d.nalCount=p.nalCount;d.pts=d[0].pts;d.dts=d[0].dts;return d};this.alignGopsWith=function(e){r=e}};st.prototype=new a;dt=function(e,t){this.numberOfTracks=0;this.metadataStream=t;e=e||{};if("undefined"!=typeof e.remux){this.remuxTracks=!!e.remux}else{this.remuxTracks=!0}if("boolean"==typeof e.keepOriginalTimestamps){this.keepOriginalTimestamps=e.keepOriginalTimestamps}else{this.keepOriginalTimestamps=!1}this.pendingTracks=[];this.videoTrack=null;this.pendingBoxes=[];this.pendingCaptions=[];this.pendingMetadata=[];this.pendingBytes=0;this.emittedTracks=0;dt.prototype.init.call(this);this.push=function(e){if(e.text){return this.pendingCaptions.push(e)}if(e.frames){return this.pendingMetadata.push(e)}this.pendingTracks.push(e.track);this.pendingBytes+=e.boxes.byteLength;if("video"===e.track.type){this.videoTrack=e.track;this.pendingBoxes.push(e.boxes)}if("audio"===e.track.type){this.audioTrack=e.track;this.pendingBoxes.unshift(e.boxes)}}};dt.prototype=new a;dt.prototype.flush=function(e){var t=0,a={captions:[],captionStreams:{},metadata:[],info:{}},n,r,s,o=0,l;if(this.pendingTracks.length<this.numberOfTracks){if("VideoSegmentStream"!==e&&"AudioSegmentStream"!==e){return}else if(this.remuxTracks){return}else if(0===this.pendingTracks.length){this.emittedTracks++;if(this.emittedTracks>=this.numberOfTracks){this.trigger("done");this.emittedTracks=0}return}}if(this.videoTrack){o=this.videoTrack.timelineStartInfo.pts;it.forEach(function(e){a.info[e]=this.videoTrack[e]},this)}else if(this.audioTrack){o=this.audioTrack.timelineStartInfo.pts;rt.forEach(function(e){a.info[e]=this.audioTrack[e]},this)}if(this.videoTrack||this.audioTrack){if(1===this.pendingTracks.length){a.type=this.pendingTracks[0].type}else{a.type="combined"}this.emittedTracks+=this.pendingTracks.length;s=F.initSegment(this.pendingTracks);a.initSegment=new Uint8Array(s.byteLength);a.initSegment.set(s);a.data=new Uint8Array(this.pendingBytes);for(l=0;l<this.pendingBoxes.length;l++){a.data.set(this.pendingBoxes[l],t);t+=this.pendingBoxes[l].byteLength}for(l=0;l<this.pendingCaptions.length;l++){n=this.pendingCaptions[l];n.startTime=ne.metadataTsToSeconds(n.startPts,o,this.keepOriginalTimestamps);n.endTime=ne.metadataTsToSeconds(n.endPts,o,this.keepOriginalTimestamps);a.captionStreams[n.stream]=!0;a.captions.push(n)}for(l=0;l<this.pendingMetadata.length;l++){r=this.pendingMetadata[l];r.cueTime=ne.metadataTsToSeconds(r.pts,o,this.keepOriginalTimestamps);a.metadata.push(r)}a.metadata.dispatchType=this.metadataStream.dispatchType;this.pendingTracks.length=0;this.videoTrack=null;this.pendingBoxes.length=0;this.pendingCaptions.length=0;this.pendingBytes=0;this.pendingMetadata.length=0;this.trigger("data",a);for(l=0;l<a.captions.length;l++){n=a.captions[l];this.trigger("caption",n)}for(l=0;l<a.metadata.length;l++){r=a.metadata[l];this.trigger("id3Frame",r)}}if(this.emittedTracks>=this.numberOfTracks){this.trigger("done");this.emittedTracks=0}};dt.prototype.setRemux=function(e){this.remuxTracks=e};lt=function(e){var t=this,a=!0,n,r;lt.prototype.init.call(this);e=e||{};this.baseMediaDecodeTime=e.baseMediaDecodeTime||0;this.transmuxPipeline_={};this.setupAacPipeline=function(){var a={};this.transmuxPipeline_=a;a.type="aac";a.metadataStream=new Me.MetadataStream;a.aacStream=new et;a.audioTimestampRolloverStream=new Me.TimestampRolloverStream("audio");a.timedMetadataTimestampRolloverStream=new Me.TimestampRolloverStream("timed-metadata");a.adtsStream=new He;a.coalesceStream=new dt(e,a.metadataStream);a.headOfPipeline=a.aacStream;a.aacStream.pipe(a.audioTimestampRolloverStream).pipe(a.adtsStream);a.aacStream.pipe(a.timedMetadataTimestampRolloverStream).pipe(a.metadataStream).pipe(a.coalesceStream);a.metadataStream.on("timestamp",function(e){a.aacStream.setTimestamp(e.timeStamp)});a.aacStream.on("data",function(i){if("timed-metadata"===i.type&&!a.audioSegmentStream){r=r||{timelineStartInfo:{baseMediaDecodeTime:t.baseMediaDecodeTime},codec:"adts",type:"audio"};a.coalesceStream.numberOfTracks++;a.audioSegmentStream=new ot(r,e);a.audioSegmentStream.on("timingInfo",t.trigger.bind(t,"audioTimingInfo"));a.adtsStream.pipe(a.audioSegmentStream).pipe(a.coalesceStream)}t.trigger("trackinfo",{hasAudio:!!r,hasVideo:!!n})});a.coalesceStream.on("data",this.trigger.bind(this,"data"));a.coalesceStream.on("done",this.trigger.bind(this,"done"))};this.setupTsPipeline=function(){var a={};this.transmuxPipeline_=a;a.type="ts";a.metadataStream=new Me.MetadataStream;a.packetStream=new Me.TransportPacketStream;a.parseStream=new Me.TransportParseStream;a.elementaryStream=new Me.ElementaryStream;a.timestampRolloverStream=new Me.TimestampRolloverStream;a.adtsStream=new He;a.h264Stream=new tt;a.captionStream=new Me.CaptionStream;a.coalesceStream=new dt(e,a.metadataStream);a.headOfPipeline=a.packetStream;a.packetStream.pipe(a.parseStream).pipe(a.elementaryStream).pipe(a.timestampRolloverStream);a.timestampRolloverStream.pipe(a.h264Stream);a.timestampRolloverStream.pipe(a.adtsStream);a.timestampRolloverStream.pipe(a.metadataStream).pipe(a.coalesceStream);a.h264Stream.pipe(a.captionStream).pipe(a.coalesceStream);a.elementaryStream.on("data",function(s){var o;if("metadata"===s.type){o=s.tracks.length;while(o--){if(!n&&"video"===s.tracks[o].type){n=s.tracks[o];n.timelineStartInfo.baseMediaDecodeTime=t.baseMediaDecodeTime}else if(!r&&"audio"===s.tracks[o].type){r=s.tracks[o];r.timelineStartInfo.baseMediaDecodeTime=t.baseMediaDecodeTime}}if(n&&!a.videoSegmentStream){a.coalesceStream.numberOfTracks++;a.videoSegmentStream=new st(n,e);a.videoSegmentStream.on("timelineStartInfo",function(e){if(r){r.timelineStartInfo=e;a.audioSegmentStream.setEarliestDts(e.dts)}});a.videoSegmentStream.on("processedGopsInfo",t.trigger.bind(t,"gopInfo"));a.videoSegmentStream.on("segmentTimingInfo",t.trigger.bind(t,"videoSegmentTimingInfo"));a.videoSegmentStream.on("baseMediaDecodeTime",function(e){if(r){a.audioSegmentStream.setVideoBaseMediaDecodeTime(e)}});a.videoSegmentStream.on("timingInfo",t.trigger.bind(t,"videoTimingInfo"));a.h264Stream.pipe(a.videoSegmentStream).pipe(a.coalesceStream)}if(r&&!a.audioSegmentStream){a.coalesceStream.numberOfTracks++;a.audioSegmentStream=new ot(r,e);a.audioSegmentStream.on("timingInfo",t.trigger.bind(t,"audioTimingInfo"));a.adtsStream.pipe(a.audioSegmentStream).pipe(a.coalesceStream)}t.trigger("trackinfo",{hasAudio:!!r,hasVideo:!!n})}});a.coalesceStream.on("data",this.trigger.bind(this,"data"));a.coalesceStream.on("id3Frame",function(e){e.dispatchType=a.metadataStream.dispatchType;t.trigger("id3Frame",e)});a.coalesceStream.on("caption",this.trigger.bind(this,"caption"));a.coalesceStream.on("done",this.trigger.bind(this,"done"))};this.setBaseMediaDecodeTime=function(t){var a=this.transmuxPipeline_;if(!e.keepOriginalTimestamps){this.baseMediaDecodeTime=t}if(r){r.timelineStartInfo.dts=void 0;r.timelineStartInfo.pts=void 0;oe.clearDtsInfo(r);if(!e.keepOriginalTimestamps){r.timelineStartInfo.baseMediaDecodeTime=t}if(a.audioTimestampRolloverStream){a.audioTimestampRolloverStream.discontinuity()}}if(n){if(a.videoSegmentStream){a.videoSegmentStream.gopCache_=[]}n.timelineStartInfo.dts=void 0;n.timelineStartInfo.pts=void 0;oe.clearDtsInfo(n);a.captionStream.reset();if(!e.keepOriginalTimestamps){n.timelineStartInfo.baseMediaDecodeTime=t}}if(a.timestampRolloverStream){a.timestampRolloverStream.discontinuity()}};this.setAudioAppendStart=function(e){if(r){this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(e)}};this.setRemux=function(t){var a=this.transmuxPipeline_;e.remux=t;if(a&&a.coalesceStream){a.coalesceStream.setRemux(t)}};this.alignGopsWith=function(e){if(n&&this.transmuxPipeline_.videoSegmentStream){this.transmuxPipeline_.videoSegmentStream.alignGopsWith(e)}};this.push=function(e){if(a){var t=at(e);if(t&&"aac"!==this.transmuxPipeline_.type){this.setupAacPipeline()}else if(!t&&"ts"!==this.transmuxPipeline_.type){this.setupTsPipeline()}a=!1}this.transmuxPipeline_.headOfPipeline.push(e)};this.flush=function(){a=!0;this.transmuxPipeline_.headOfPipeline.flush()};this.endTimeline=function(){this.transmuxPipeline_.headOfPipeline.endTimeline()};this.reset=function(){if(this.transmuxPipeline_.headOfPipeline){this.transmuxPipeline_.headOfPipeline.reset()}};this.resetCaptions=function(){if(this.transmuxPipeline_.captionStream){this.transmuxPipeline_.captionStream.reset()}}};lt.prototype=new a;var ct={Transmuxer:lt,VideoSegmentStream:st,AudioSegmentStream:ot,AUDIO_PROPERTIES:rt,VIDEO_PROPERTIES:it,generateVideoSegmentTimingInfo:ut},mt=function(e,t){if(!(e instanceof t)){throw new TypeError("Cannot call a class as a function")}},gt=function(){function e(e,t){for(var a=0,n;a<t.length;a++){n=t[a];n.enumerable=n.enumerable||!1;n.configurable=!0;if("value"in n)n.writable=!0;Object.defineProperty(e,n.key,n)}}return function(t,a,n){if(a)e(t.prototype,a);if(n)e(t,n);return t}}(),yt=function(e,t){t.on("data",function(t){var a=t.initSegment;t.initSegment={data:a.buffer,byteOffset:a.byteOffset,byteLength:a.byteLength};var n=t.data;t.data=n.buffer;e.postMessage({action:"data",segment:t,byteOffset:n.byteOffset,byteLength:n.byteLength},[t.data])});if(t.captionStream){t.captionStream.on("data",function(t){e.postMessage({action:"caption",data:t})})}t.on("done",function(){e.postMessage({action:"done"})});t.on("gopInfo",function(t){e.postMessage({action:"gopInfo",gopInfo:t})});t.on("videoSegmentTimingInfo",function(t){e.postMessage({action:"videoSegmentTimingInfo",videoSegmentTimingInfo:t})})},ht=function(){function e(t,a){mt(this,e);this.options=a||{};this.self=t;this.init()}gt(e,[{key:"init",value:function(){if(this.transmuxer){this.transmuxer.dispose()}this.transmuxer=new ct.Transmuxer(this.options);yt(this.self,this.transmuxer)}},{key:"push",value:function(e){var t=new Uint8Array(e.data,e.byteOffset,e.byteLength);this.transmuxer.push(t)}},{key:"reset",value:function(){this.init()}},{key:"setTimestampOffset",value:function(e){var t=e.timestampOffset||0;this.transmuxer.setBaseMediaDecodeTime(Math.round(9e4*t))}},{key:"setAudioAppendStart",value:function(e){this.transmuxer.setAudioAppendStart(Math.ceil(9e4*e.appendStart))}},{key:"flush",value:function(){this.transmuxer.flush()}},{key:"resetCaptions",value:function(){this.transmuxer.resetCaptions()}},{key:"alignGopsWith",value:function(e){this.transmuxer.alignGopsWith(e.gopsToAlignWith.slice())}}]);return e}(),_t=new function(e){e.onmessage=function(t){if("init"===t.data.action&&t.data.options){this.messageHandlers=new ht(e,t.data.options);return}if(!this.messageHandlers){this.messageHandlers=new ht(e)}if(t.data&&t.data.action&&"init"!==t.data.action){if(this.messageHandlers[t.data.action]){this.messageHandlers[t.data.action](t.data)}}}}(e);return _t}()}),_c={videoCodec:"avc1",videoObjectTypeIndicator:".4d400d",audioProfile:"2"},fc=function(e){return e.map(function(e){return e.replace(/avc1\.(\d+)\.(\d+)/i,function(e,t,a){var n=("00"+(+t).toString(16)).slice(-2),r=("00"+(+a).toString(16)).slice(-2);return"avc1."+n+"00"+r})})},Tc=function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"",t={codecCount:0},a=void 0;t.codecCount=e.split(",").length;t.codecCount=t.codecCount||2;a=/(^|\s|,)+(avc[13])([^ ,]*)/i.exec(e);if(a){t.videoCodec=a[2];t.videoObjectTypeIndicator=a[3]}t.audioProfile=/(^|\s|,)+mp4a.[0-9A-Fa-f]+\.([0-9A-Fa-f]+)/i.exec(e);t.audioProfile=t.audioProfile&&t.audioProfile[2];return t},bc=function(e){return e.replace(/avc1\.(\d+)\.(\d+)/i,function(e){return fc([e])[0]})},vc=function(e,t,a){return e+"/"+t+"; codecs=\""+a.filter(function(e){return!!e}).join(", ")+"\""},Sc=function(e){if(e.segments&&e.segments.length&&e.segments[0].map){return"mp4"}return"mp2t"},kc=function(e){var t=e.attributes||{};if(t.CODECS){return Tc(t.CODECS)}return _c},Cc=function(e,t){if(!e.mediaGroups.AUDIO||!t){return null}var a=e.mediaGroups.AUDIO[t];if(!a){return null}for(var n in a){var r=a[n];if(r["default"]&&r.playlists){return Tc(r.playlists[0].attributes.CODECS).audioProfile}}return null},Ec=function(e,t){var a=Sc(t),n=kc(t),r=t.attributes||{},i=!0,s=!1;if(!t){return[]}if(e.mediaGroups.AUDIO&&r.AUDIO){var o=e.mediaGroups.AUDIO[r.AUDIO];if(o){s=!0;i=!1;for(var l in o){if(!o[l].uri&&!o[l].playlists){i=!0;break}}}}if(s&&!n.audioProfile){if(!i){n.audioProfile=Cc(e,r.AUDIO)}if(!n.audioProfile){Hi.log.warn("Multiple audio tracks present but no audio codec string is specified. Attempting to use the default audio codec (mp4a.40.2)");n.audioProfile=_c.audioProfile}}var d={};if(n.videoCodec){d.video=""+n.videoCodec+n.videoObjectTypeIndicator}if(n.audioProfile){d.audio="mp4a.40."+n.audioProfile}var p=vc("audio",a,[d.audio]),u=vc("video",a,[d.video]),c=vc("video",a,[d.video,d.audio]);if(s){if(!i&&d.video){return[u,p]}if(!i&&!d.video){return[p,p]}return[c,p]}if(!d.video){return[p]}return[c]},Ic=function(e){var t={type:"",parameters:{}},a=e.trim().split(";");t.type=a.shift().trim();a.forEach(function(e){var a=e.trim().split("=");if(1<a.length){var n=a[0].replace(/"/g,"").trim(),r=a[1].replace(/"/g,"").trim();t.parameters[n]=r}});return t},xc=function(e){return /mp4a\.\d+.\d+/i.test(e)},Lc=function(e){return /avc1\.[\da-f]+/i.test(e)},Pc=function(e,t,a){if("undefined"==typeof t||null===t||!e.length){return[]}var n=Math.ceil(9e4*(t-a+3)),r=void 0;for(r=0;r<e.length;r++){if(e[r].pts>n){break}}return e.slice(r)},Dc=function(e,t,a){if(!t.length){return e}if(a){return t.slice()}var n=t[0].pts,r=0;for(r;r<e.length;r++){if(e[r].pts>=n){break}}return e.slice(0,r).concat(t)},wc=function(e,t,a,n){var r=Math.ceil(9e4*(t-n)),s=Math.ceil(9e4*(a-n)),o=e.slice(),l=e.length;while(l--){if(e[l].pts<=s){break}}if(-1===l){return o}var d=l+1;while(d--){if(e[d].pts<=r){break}}d=Math.max(d,0);o.splice(d,l-d+1);return o},Ac=function(e,t,a){var n=null,r=null,i=0,s=[],o=[];if(!e&&!t){return Hi.createTimeRange()}if(!e){return t.buffered}if(!t){return e.buffered}if(a){return e.buffered}if(0===e.buffered.length&&0===t.buffered.length){return Hi.createTimeRange()}var l=e.buffered,d=t.buffered,p=l.length;while(p--){s.push({time:l.start(p),type:"start"});s.push({time:l.end(p),type:"end"})}p=d.length;while(p--){s.push({time:d.start(p),type:"start"});s.push({time:d.end(p),type:"end"})}s.sort(function(e,t){return e.time-t.time});for(p=0;p<s.length;p++){if("start"===s[p].type){i++;if(2===i){n=s[p].time}}else if("end"===s[p].type){i--;if(1===i){r=s[p].time}}if(null!==n&&null!==r){o.push([n,r]);n=null;r=null}}return Hi.createTimeRanges(o)},Oc=9e4,Rc=function(e,t){var a=e.addSourceBuffer(t),n=Object.create(null);n.updating=!1;n.realBuffer_=a;var r=function(e){if("function"==typeof a[e]){n[e]=function(){return a[e].apply(a,arguments)}}else if("undefined"==typeof n[e]){Object.defineProperty(n,e,{get:function(){return a[e]},set:function(t){return a[e]=t}})}};for(var i in a){r(i)}return n},Nc=function(e){Fp(t,e);function t(e,a){Mp(this,t);var n=Hp(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,Hi.EventTarget));n.timestampOffset_=0;n.pendingBuffers_=[];n.bufferUpdating_=!1;n.mediaSource_=e;n.codecs_=a;n.audioCodec_=null;n.videoCodec_=null;n.audioDisabled_=!1;n.appendAudioInitSegment_=!0;n.gopBuffer_=[];n.timeMapping_=0;n.safeAppend_=11<=Hi.browser.IE_VERSION;var r={remux:!1,alignGopsAtEnd:n.safeAppend_};n.codecs_.forEach(function(e){if(xc(e)){n.audioCodec_=e}else if(Lc(e)){n.videoCodec_=e}});n.transmuxer_=new hc;n.transmuxer_.postMessage({action:"init",options:r});n.transmuxer_.onmessage=function(e){if("data"===e.data.action){return n.data_(e)}if("done"===e.data.action){return n.done_(e)}if("gopInfo"===e.data.action){return n.appendGopInfo_(e)}if("videoSegmentTimingInfo"===e.data.action){return n.videoSegmentTimingInfo_(e.data.videoSegmentTimingInfo)}};Object.defineProperty(n,"timestampOffset",{get:function(){return this.timestampOffset_},set:function(e){if("number"==typeof e&&0<=e){this.timestampOffset_=e;this.appendAudioInitSegment_=!0;this.gopBuffer_.length=0;this.timeMapping_=0;this.transmuxer_.postMessage({action:"setTimestampOffset",timestampOffset:e})}}});Object.defineProperty(n,"appendWindowStart",{get:function(){return(this.videoBuffer_||this.audioBuffer_).appendWindowStart},set:function(e){if(this.videoBuffer_){this.videoBuffer_.appendWindowStart=e}if(this.audioBuffer_){this.audioBuffer_.appendWindowStart=e}}});Object.defineProperty(n,"updating",{get:function(){return!!(this.bufferUpdating_||!this.audioDisabled_&&this.audioBuffer_&&this.audioBuffer_.updating||this.videoBuffer_&&this.videoBuffer_.updating)}});Object.defineProperty(n,"buffered",{get:function(){return Ac(this.videoBuffer_,this.audioBuffer_,this.audioDisabled_)}});return n}Bp(t,[{key:"data_",value:function(e){var t=e.data.segment;t.data=new Uint8Array(t.data,e.data.byteOffset,e.data.byteLength);t.initSegment=new Uint8Array(t.initSegment.data,t.initSegment.byteOffset,t.initSegment.byteLength);ec(this,this.mediaSource_,t);this.pendingBuffers_.push(t)}},{key:"done_",value:function(){if("closed"===this.mediaSource_.readyState){this.pendingBuffers_.length=0;return}this.processPendingSegments_()}},{key:"videoSegmentTimingInfo_",value:function(e){var t={start:{decode:e.start.dts/Oc,presentation:e.start.pts/Oc},end:{decode:e.end.dts/Oc,presentation:e.end.pts/Oc},baseMediaDecodeTime:e.baseMediaDecodeTime/Oc};if(e.prependedContentDuration){t.prependedContentDuration=e.prependedContentDuration/Oc}this.trigger({type:"videoSegmentTimingInfo",videoSegmentTimingInfo:t})}},{key:"createRealSourceBuffers_",value:function(){var e=this,t=["audio","video"];t.forEach(function(a){if(!e[a+"Codec_"]){return}if(e[a+"Buffer_"]){return}var n=null;if(e.mediaSource_[a+"Buffer_"]){n=e.mediaSource_[a+"Buffer_"];n.updating=!1}else{var r=a+"/mp4;codecs=\""+e[a+"Codec_"]+"\"";n=Rc(e.mediaSource_.nativeMediaSource_,r);e.mediaSource_[a+"Buffer_"]=n}e[a+"Buffer_"]=n;["update","updatestart","updateend"].forEach(function(r){n.addEventListener(r,function(){if("audio"===a&&e.audioDisabled_){return}if("updateend"===r){e[a+"Buffer_"].updating=!1}var n=t.every(function(n){if("audio"===n&&e.audioDisabled_){return!0}if(a!==n&&e[n+"Buffer_"]&&e[n+"Buffer_"].updating){return!1}return!0});if(n){return e.trigger(r)}})})})}},{key:"appendBuffer",value:function(e){this.bufferUpdating_=!0;if(this.audioBuffer_&&this.audioBuffer_.buffered.length){var t=this.audioBuffer_.buffered;this.transmuxer_.postMessage({action:"setAudioAppendStart",appendStart:t.end(t.length-1)})}if(this.videoBuffer_){this.transmuxer_.postMessage({action:"alignGopsWith",gopsToAlignWith:Pc(this.gopBuffer_,this.mediaSource_.player_?this.mediaSource_.player_.currentTime():null,this.timeMapping_)})}this.transmuxer_.postMessage({action:"push",data:e.buffer,byteOffset:e.byteOffset,byteLength:e.byteLength},[e.buffer]);this.transmuxer_.postMessage({action:"flush"})}},{key:"appendGopInfo_",value:function(e){this.gopBuffer_=Dc(this.gopBuffer_,e.data.gopInfo,this.safeAppend_)}},{key:"remove",value:function(e,t){if(this.videoBuffer_){this.videoBuffer_.updating=!0;this.videoBuffer_.remove(e,t);this.gopBuffer_=wc(this.gopBuffer_,e,t,this.timeMapping_)}if(!this.audioDisabled_&&this.audioBuffer_){this.audioBuffer_.updating=!0;this.audioBuffer_.remove(e,t)}tc(e,t,this.metadataTrack_);if(this.inbandTextTracks_){for(var a in this.inbandTextTracks_){tc(e,t,this.inbandTextTracks_[a])}}}},{key:"processPendingSegments_",value:function(){var e={video:{segments:[],bytes:0},audio:{segments:[],bytes:0},captions:[],metadata:[]};if(!this.pendingBuffers_.length){this.trigger("updateend");this.bufferUpdating_=!1;return}e=this.pendingBuffers_.reduce(function(e,t){var a=t.type,n=t.data,r=t.initSegment;e[a].segments.push(n);e[a].bytes+=n.byteLength;e[a].initSegment=r;if(t.captions){e.captions=e.captions.concat(t.captions)}if(t.info){e[a].info=t.info}if(t.metadata){e.metadata=e.metadata.concat(t.metadata)}return e},e);if(!this.videoBuffer_&&!this.audioBuffer_){if(0===e.video.bytes){this.videoCodec_=null}if(0===e.audio.bytes){this.audioCodec_=null}this.createRealSourceBuffers_()}if(e.audio.info){this.mediaSource_.trigger({type:"audioinfo",info:e.audio.info})}if(e.video.info){this.mediaSource_.trigger({type:"videoinfo",info:e.video.info})}if(this.appendAudioInitSegment_){if(!this.audioDisabled_&&this.audioBuffer_){e.audio.segments.unshift(e.audio.initSegment);e.audio.bytes+=e.audio.initSegment.byteLength}this.appendAudioInitSegment_=!1}var t=!1;if(this.videoBuffer_&&e.video.bytes){e.video.segments.unshift(e.video.initSegment);e.video.bytes+=e.video.initSegment.byteLength;this.concatAndAppendSegments_(e.video,this.videoBuffer_)}else if(this.videoBuffer_&&(this.audioDisabled_||!this.audioBuffer_)){t=!0}rc(this,e.captions,e.metadata);if(!this.audioDisabled_&&this.audioBuffer_){this.concatAndAppendSegments_(e.audio,this.audioBuffer_)}this.pendingBuffers_.length=0;if(t){this.trigger("updateend")}this.bufferUpdating_=!1}},{key:"concatAndAppendSegments_",value:function(e,t){var a=0,n=void 0;if(e.bytes){n=new Uint8Array(e.bytes);e.segments.forEach(function(e){n.set(e,a);a+=e.byteLength});try{t.updating=!0;t.appendBuffer(n)}catch(e){if(this.mediaSource_.player_){this.mediaSource_.player_.error({code:-3,type:"APPEND_BUFFER_ERR",message:e.message,originalError:e})}}}}},{key:"abort",value:function(){if(this.videoBuffer_){this.videoBuffer_.abort()}if(!this.audioDisabled_&&this.audioBuffer_){this.audioBuffer_.abort()}if(this.transmuxer_){this.transmuxer_.postMessage({action:"reset"})}this.pendingBuffers_.length=0;this.bufferUpdating_=!1}},{key:"dispose",value:function(){this.trigger("dispose");this.off()}}]);return t}(Hi.EventTarget),Uc=function(a){Fp(n,a);function n(){Mp(this,n);var a=Hp(this,(n.__proto__||Object.getPrototypeOf(n)).call(this)),r=void 0;a.nativeMediaSource_=new e.MediaSource;for(r in a.nativeMediaSource_){if(!(r in n.prototype)&&"function"==typeof a.nativeMediaSource_[r]){a[r]=a.nativeMediaSource_[r].bind(a.nativeMediaSource_)}}a.duration_=NaN;Object.defineProperty(a,"duration",{get:function(){if(this.duration_===1/0){return this.duration_}return this.nativeMediaSource_.duration},set:function(e){this.duration_=e;if(e!==1/0){this.nativeMediaSource_.duration=e}}});Object.defineProperty(a,"seekable",{get:function(){if(this.duration_===1/0){return Hi.createTimeRanges([[0,this.nativeMediaSource_.duration]])}return this.nativeMediaSource_.seekable}});Object.defineProperty(a,"readyState",{get:function(){return this.nativeMediaSource_.readyState}});Object.defineProperty(a,"activeSourceBuffers",{get:function(){return this.activeSourceBuffers_}});a.sourceBuffers=[];a.activeSourceBuffers_=[];a.updateActiveSourceBuffers_=function(){a.activeSourceBuffers_.length=0;if(1===a.sourceBuffers.length){var e=a.sourceBuffers[0];e.appendAudioInitSegment_=!0;e.audioDisabled_=!e.audioCodec_;a.activeSourceBuffers_.push(e);return}for(var t=!1,n=!0,r=0,s;r<a.player_.audioTracks().length;r++){s=a.player_.audioTracks()[r];if(s.enabled&&"main"!==s.kind){t=!0;n=!1;break}}a.sourceBuffers.forEach(function(e,r){e.appendAudioInitSegment_=!0;if(e.videoCodec_&&e.audioCodec_){e.audioDisabled_=t}else if(e.videoCodec_&&!e.audioCodec_){e.audioDisabled_=!0;n=!1}else if(!e.videoCodec_&&e.audioCodec_){e.audioDisabled_=r?n:!n;if(e.audioDisabled_){return}}a.activeSourceBuffers_.push(e)})};a.onPlayerMediachange_=function(){a.sourceBuffers.forEach(function(e){e.appendAudioInitSegment_=!0})};a.onHlsReset_=function(){a.sourceBuffers.forEach(function(e){if(e.transmuxer_){e.transmuxer_.postMessage({action:"resetCaptions"})}})};a.onHlsSegmentTimeMapping_=function(e){a.sourceBuffers.forEach(function(t){return t.timeMapping_=e.mapping})};["sourceopen","sourceclose","sourceended"].forEach(function(e){this.nativeMediaSource_.addEventListener(e,this.trigger.bind(this))},a);a.on("sourceopen",function(){var e=t.querySelector("[src=\""+a.url_+"\"]");if(!e){return}a.player_=Hi(e.parentNode);if(!a.player_){return}a.player_.tech_.on("hls-reset",a.onHlsReset_);a.player_.tech_.on("hls-segment-time-mapping",a.onHlsSegmentTimeMapping_);if(a.player_.audioTracks&&a.player_.audioTracks()){a.player_.audioTracks().on("change",a.updateActiveSourceBuffers_);a.player_.audioTracks().on("addtrack",a.updateActiveSourceBuffers_);a.player_.audioTracks().on("removetrack",a.updateActiveSourceBuffers_)}a.player_.on("mediachange",a.onPlayerMediachange_)});a.on("sourceended",function(){for(var e=nc(a.duration),t=0;t<a.sourceBuffers.length;t++){var n=a.sourceBuffers[t],r=n.metadataTrack_&&n.metadataTrack_.cues;if(r&&r.length){r[r.length-1].endTime=e}}});a.on("sourceclose",function(){this.sourceBuffers.forEach(function(e){if(e.transmuxer_){e.transmuxer_.terminate()}});this.sourceBuffers.length=0;if(!this.player_){return}if(this.player_.audioTracks&&this.player_.audioTracks()){this.player_.audioTracks().off("change",this.updateActiveSourceBuffers_);this.player_.audioTracks().off("addtrack",this.updateActiveSourceBuffers_);this.player_.audioTracks().off("removetrack",this.updateActiveSourceBuffers_)}if(this.player_.el_){this.player_.off("mediachange",this.onPlayerMediachange_)}if(this.player_.tech_&&this.player_.tech_.el_){this.player_.tech_.off("hls-reset",this.onHlsReset_);this.player_.tech_.off("hls-segment-time-mapping",this.onHlsSegmentTimeMapping_)}});return a}Bp(n,[{key:"addSeekableRange_",value:function(e,t){var a;if(this.duration!==1/0){a=new Error("MediaSource.addSeekableRange() can only be invoked when the duration is Infinity");a.name="InvalidStateError";a.code=11;throw a}if(t>this.nativeMediaSource_.duration||isNaN(this.nativeMediaSource_.duration)){this.nativeMediaSource_.duration=t}}},{key:"addSourceBuffer",value:function(e){var t=void 0,a=Ic(e);if(/^(video|audio)\/mp2t$/i.test(a.type)){var n=[];if(a.parameters&&a.parameters.codecs){n=a.parameters.codecs.split(",");n=fc(n);n=n.filter(function(e){return xc(e)||Lc(e)})}if(0===n.length){n=["avc1.4d400d","mp4a.40.2"]}t=new Nc(this,n);if(0!==this.sourceBuffers.length){this.sourceBuffers[0].createRealSourceBuffers_();t.createRealSourceBuffers_();this.sourceBuffers[0].audioDisabled_=!0}}else{t=this.nativeMediaSource_.addSourceBuffer(e)}this.sourceBuffers.push(t);return t}},{key:"dispose",value:function(){this.trigger("dispose");this.off();this.sourceBuffers.forEach(function(e){if(e.dispose){e.dispose()}});this.sourceBuffers.length=0}}]);return n}(Hi.EventTarget),Mc=0;Hi.mediaSources={};var Bc=function(e,t){var a=Hi.mediaSources[e];if(a){a.trigger({type:"sourceopen",swfId:t})}else{throw new Error("Media Source not found (Video.js)")}},jc=function(){return!!e.MediaSource&&!!e.MediaSource.isTypeSupported&&e.MediaSource.isTypeSupported("video/mp4;codecs=\"avc1.4d400d,mp4a.40.2\"")},Fc=function(){this.MediaSource={open:Bc,supportsNativeMediaSources:jc};if(jc()){return new Uc}throw new Error("Cannot use create a virtual MediaSource for this video")};Fc.open=Bc;Fc.supportsNativeMediaSources=jc;var Hc={createObjectURL:function(t){var a=void 0;if(t instanceof Uc){a=e.URL.createObjectURL(t.nativeMediaSource_);t.url_=a;return a}if(!(t instanceof Uc)){a=e.URL.createObjectURL(t);t.url_=a;return a}a="blob:vjs-media-source/"+Mc;Mc++;Hi.mediaSources[a]=t;return a}};Hi.MediaSource=Fc;Hi.URL=Hc;var qc=Hi.EventTarget,Vc=Hi.mergeOptions,Wc=function(e,t){for(var a=void 0,n=Vc(e,{duration:t.duration,minimumUpdatePeriod:t.minimumUpdatePeriod}),r=0,s;r<t.playlists.length;r++){s=Xp(n,t.playlists[r]);if(s){n=s}else{a=!0}}Gp(t,function(e,t,r,i){if(e.playlists&&e.playlists.length){var s=e.playlists[0].id,o=Xp(n,e.playlists[0]);if(o){n=o;n.mediaGroups[t][r][i].playlists[0]=n.playlists[s];a=!1}}});if(a){return null}return n},zc=function(e){var t=e.byterange.offset+e.byterange.length-1;return e.uri+"-"+e.byterange.offset+"-"+t},Gc=function(e,t){var a=!!(!e.map&&!t.map),n=a||!!(e.map&&t.map&&e.map.byterange.offset===t.map.byterange.offset&&e.map.byterange.length===t.map.byterange.length);return n&&e.uri===t.uri&&e.byterange.offset===t.byterange.offset&&e.byterange.length===t.byterange.length},Kc=function(e,t){var a={};for(var n in e){var r=e[n],i=r.sidx;if(i){var s=zc(i);if(!t[s]){break}var o=t[s].sidxInfo;if(Gc(o,i)){a[s]=t[s]}}}return a},Yc=function(e,t,a,n){var r=Jl(e,{manifestUri:t,clientOffset:a}),i=Kc(r.playlists,n),s=i;Gp(r,function(e){if(e.playlists&&e.playlists.length){var t=e.playlists;s=Vc(s,Kc(t,n))}});return s},Xc=function(e,t,a,n,r){var i={uri:Up(n.handleManifestRedirects,e.resolvedUri),byterange:e.byterange,playlist:t},s=Hi.mergeOptions(i,{responseType:"arraybuffer",headers:Iu(i)});return a(s,r)},$c=function(t){Fp(a,t);function a(e,t){var n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:{},r=arguments[3];Mp(this,a);var i=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this)),s=n.withCredentials,o=s===void 0?!1:s,l=n.handleManifestRedirects,d=l===void 0?!1:l;i.hls_=t;i.withCredentials=o;i.handleManifestRedirects=d;if(!e){throw new Error("A non-empty playlist URL or playlist is required")}i.on("minimumUpdatePeriod",function(){i.refreshXml_()});i.on("mediaupdatetimeout",function(){i.refreshMedia_(i.media().id)});i.state="HAVE_NOTHING";i.loadedPlaylists_={};if("string"==typeof e){i.srcUrl=e;i.sidxMapping_={};return Hp(i)}i.setupChildLoader(r,e);return i}Bp(a,[{key:"setupChildLoader",value:function(e,t){this.masterPlaylistLoader_=e;this.childPlaylist_=t}},{key:"dispose",value:function(){this.trigger("dispose");this.stopRequest();this.loadedPlaylists_={};e.clearTimeout(this.minimumUpdatePeriodTimeout_);e.clearTimeout(this.mediaRequest_);e.clearTimeout(this.mediaUpdateTimeout);this.off()}},{key:"hasPendingRequest",value:function(){return this.request||this.mediaRequest_}},{key:"stopRequest",value:function(){if(this.request){var e=this.request;this.request=null;e.onreadystatechange=null;e.abort()}}},{key:"sidxRequestFinished_",value:function(e,t,a,n){var r=this;return function(i,s){if(!r.request){return}r.request=null;if(i){r.error={status:s.status,message:"DASH playlist request error at URL: "+e.uri,response:s.response,code:2};if(a){r.state=a}r.trigger("error");return n(t,null)}var o=new Uint8Array(s.response),l=pd.parseSidx(o.subarray(8));return n(t,l)}}},{key:"media",value:function(t){var a=this;if(!t){return this.media_}if("HAVE_NOTHING"===this.state){throw new Error("Cannot switch media playlist from "+this.state)}var n=this.state;if("string"==typeof t){if(!this.master.playlists[t]){throw new Error("Unknown playlist URI: "+t)}t=this.master.playlists[t]}var r=!this.media_||t.id!==this.media_.id;if(r&&this.loadedPlaylists_[t.id]&&this.loadedPlaylists_[t.id].endList){this.state="HAVE_METADATA";this.media_=t;if(r){this.trigger("mediachanging");this.trigger("mediachange")}return}if(!r){return}if(this.media_){this.trigger("mediachanging")}if(!t.sidx){this.mediaRequest_=e.setTimeout(this.haveMetadata.bind(this,{startingState:n,playlist:t}),0);return}var i=void 0,s=void 0;if(this.masterPlaylistLoader_){i=this.masterPlaylistLoader_.master;s=this.masterPlaylistLoader_.sidxMapping_}else{i=this.master;s=this.sidxMapping_}var o=zc(t.sidx);s[o]={sidxInfo:t.sidx};this.request=Xc(t.sidx,t,this.hls_.xhr,{handleManifestRedirects:this.handleManifestRedirects},this.sidxRequestFinished_(t,i,n,function(e,r){if(!e||!r){throw new Error("failed to request sidx")}s[o].sidx=r;a.haveMetadata({startingState:n,playlist:e.playlists[t.id]})}))}},{key:"haveMetadata",value:function(e){var t=e.startingState,a=e.playlist;this.state="HAVE_METADATA";this.loadedPlaylists_[a.id]=a;this.mediaRequest_=null;this.refreshMedia_(a.id);if("HAVE_MASTER"===t){this.trigger("loadedmetadata")}else{this.trigger("mediachange")}}},{key:"pause",value:function(){this.stopRequest();e.clearTimeout(this.mediaUpdateTimeout);e.clearTimeout(this.minimumUpdatePeriodTimeout_);if("HAVE_NOTHING"===this.state){this.started=!1}}},{key:"load",value:function(t){var a=this;e.clearTimeout(this.mediaUpdateTimeout);e.clearTimeout(this.minimumUpdatePeriodTimeout_);var n=this.media();if(t){var r=n?1e3*(n.targetDuration/2):5000;this.mediaUpdateTimeout=e.setTimeout(function(){return a.load()},r);return}if(!this.started){this.start();return}if(n&&!n.endList){this.trigger("mediaupdatetimeout")}else{this.trigger("loadedplaylist")}}},{key:"parseMasterXml",value:function(){var e=Jl(this.masterXml_,{manifestUri:this.srcUrl,clientOffset:this.clientOffset_,sidxMapping:this.sidxMapping_});e.uri=this.srcUrl;for(var t=0,a;t<e.playlists.length;t++){a="placeholder-uri-"+t;e.playlists[t].uri=a}Gp(e,function(t,a,n,r){if(t.playlists&&t.playlists.length){var i="placeholder-uri-"+a+"-"+n+"-"+r,s=$p(0,i);t.playlists[0].uri=i;t.playlists[0].id=s;e.playlists[s]=t.playlists[0];e.playlists[i]=t.playlists[0]}});Qp(e);Jp(e);return e}},{key:"start",value:function(){var t=this;this.started=!0;if(this.masterPlaylistLoader_){this.mediaRequest_=e.setTimeout(this.haveMaster_.bind(this),0);return}this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},function(e,a){if(!t.request){return}t.request=null;if(e){t.error={status:a.status,message:"DASH playlist request error at URL: "+t.srcUrl,responseText:a.responseText,code:2};if("HAVE_NOTHING"===t.state){t.started=!1}return t.trigger("error")}t.masterXml_=a.responseText;if(a.responseHeaders&&a.responseHeaders.date){t.masterLoaded_=Date.parse(a.responseHeaders.date)}else{t.masterLoaded_=Date.now()}t.srcUrl=Up(t.handleManifestRedirects,t.srcUrl,a);t.syncClientServerClock_(t.onClientServerClockSync_.bind(t))})}},{key:"syncClientServerClock_",value:function(e){var t=this,a=Zl(this.masterXml_);if(null===a){this.clientOffset_=this.masterLoaded_-Date.now();return e()}if("DIRECT"===a.method){this.clientOffset_=a.value-Date.now();return e()}this.request=this.hls_.xhr({uri:Np(this.srcUrl,a.value),method:a.method,withCredentials:this.withCredentials},function(n,r){if(!t.request){return}if(n){t.clientOffset_=t.masterLoaded_-Date.now();return e()}var i;if("HEAD"===a.method){if(!r.responseHeaders||!r.responseHeaders.date){i=t.masterLoaded_}else{i=Date.parse(r.responseHeaders.date)}}else{i=Date.parse(r.responseText)}t.clientOffset_=i-Date.now();e()})}},{key:"haveMaster_",value:function(){this.state="HAVE_MASTER";this.mediaRequest_=null;if(!this.masterPlaylistLoader_){this.master=this.parseMasterXml();this.trigger("loadedplaylist")}else if(!this.media_){this.media(this.childPlaylist_)}}},{key:"onClientServerClockSync_",value:function(){var t=this;this.haveMaster_();if(!this.hasPendingRequest()&&!this.media_){this.media(this.master.playlists[0])}if(this.master&&this.master.minimumUpdatePeriod){this.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},this.master.minimumUpdatePeriod)}}},{key:"refreshXml_",value:function(){var t=this;this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},function(a,n){if(!t.request){return}t.request=null;if(a){t.error={status:n.status,message:"DASH playlist request error at URL: "+t.srcUrl,responseText:n.responseText,code:2};if("HAVE_NOTHING"===t.state){t.started=!1}return t.trigger("error")}t.masterXml_=n.responseText;t.sidxMapping_=Yc(t.masterXml_,t.srcUrl,t.clientOffset_,t.sidxMapping_);var r=t.parseMasterXml(),i=Wc(t.master,r),s=t.media().sidx;if(i){if(s){var o=zc(s);if(!t.sidxMapping_[o]){var l=t.media();t.request=Xc(l.sidx,l,t.hls_.xhr,{handleManifestRedirects:t.handleManifestRedirects},t.sidxRequestFinished_(l,r,t.state,function(a,n){if(!a||!n){throw new Error("failed to request sidx on minimumUpdatePeriod")}t.sidxMapping_[o].sidx=n;t.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},t.master.minimumUpdatePeriod);t.refreshMedia_(t.media().id)}))}}else{t.master=i}}t.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},t.master.minimumUpdatePeriod)})}},{key:"refreshMedia_",value:function(t){var a=this;if(!t){throw new Error("refreshMedia_ must take a media id")}var n=void 0,r=void 0;if(this.masterPlaylistLoader_){n=this.masterPlaylistLoader_.master;r=this.masterPlaylistLoader_.parseMasterXml()}else{n=this.master;r=this.parseMasterXml()}var i=Wc(n,r);if(i){if(this.masterPlaylistLoader_){this.masterPlaylistLoader_.master=i}else{this.master=i}this.media_=i.playlists[t]}else{this.media_=r.playlists[t];this.trigger("playlistunchanged")}if(!this.media().endList){this.mediaUpdateTimeout=e.setTimeout(function(){a.trigger("mediaupdatetimeout")},Zp(this.media(),!!i))}this.trigger("loadedplaylist")}}]);return a}(qc),Qc=function(e){if(Hi.log.debug){return Hi.log.debug.bind(Hi,"VHS:",e+" >")}return function(){}};function Jc(){}var Zc=function(){function e(t,a,n,r){Mp(this,e);this.callbacks_=[];this.pendingCallback_=null;this.timestampOffset_=0;this.mediaSource=t;this.processedAppend_=!1;this.type_=n;this.mimeType_=a;this.logger_=Qc("SourceUpdater["+n+"]["+a+"]");if("closed"===t.readyState){t.addEventListener("sourceopen",this.createSourceBuffer_.bind(this,a,r))}else{this.createSourceBuffer_(a,r)}}Bp(e,[{key:"createSourceBuffer_",value:function(e,t){var a=this;this.sourceBuffer_=this.mediaSource.addSourceBuffer(e);this.logger_("created SourceBuffer");if(t){t.trigger("sourcebufferadded");if(2>this.mediaSource.sourceBuffers.length){t.on("sourcebufferadded",function(){a.start_()});return}}this.start_()}},{key:"start_",value:function(){var e=this;this.started_=!0;this.onUpdateendCallback_=function(){var t=e.pendingCallback_;e.pendingCallback_=null;e.sourceBuffer_.removing=!1;e.logger_("buffered ["+Qu(e.buffered())+"]");if(t){t()}e.runCallback_()};this.sourceBuffer_.addEventListener("updateend",this.onUpdateendCallback_);this.runCallback_()}},{key:"abort",value:function(e){var t=this;if(this.processedAppend_){this.queueCallback_(function(){t.sourceBuffer_.abort()},e)}}},{key:"appendBuffer",value:function(e,t){var a=this;this.processedAppend_=!0;this.queueCallback_(function(){if(e.videoSegmentTimingInfoCallback){a.sourceBuffer_.addEventListener("videoSegmentTimingInfo",e.videoSegmentTimingInfoCallback)}a.sourceBuffer_.appendBuffer(e.bytes)},function(){if(e.videoSegmentTimingInfoCallback){a.sourceBuffer_.removeEventListener("videoSegmentTimingInfo",e.videoSegmentTimingInfoCallback)}t()})}},{key:"buffered",value:function(){if(!this.sourceBuffer_){return Hi.createTimeRanges()}return this.sourceBuffer_.buffered}},{key:"remove",value:function(e,t){var a=this,n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:Jc;if(this.processedAppend_){this.queueCallback_(function(){a.logger_("remove ["+e+" => "+t+"]");a.sourceBuffer_.removing=!0;a.sourceBuffer_.remove(e,t)},n)}}},{key:"updating",value:function(){return!this.sourceBuffer_||this.sourceBuffer_.updating||!!this.pendingCallback_&&this.pendingCallback_!==Jc}},{key:"timestampOffset",value:function(e){var t=this;if("undefined"!=typeof e){this.queueCallback_(function(){t.sourceBuffer_.timestampOffset=e;t.runCallback_()});this.timestampOffset_=e}return this.timestampOffset_}},{key:"queueCallback_",value:function(e,t){this.callbacks_.push([e.bind(this),t]);this.runCallback_()}},{key:"runCallback_",value:function(){var e;if(!this.updating()&&this.callbacks_.length&&this.started_){e=this.callbacks_.shift();this.pendingCallback_=e[1];e[0]()}}},{key:"dispose",value:function(){var e=this,t=function t(){if(e.sourceBuffer_&&"open"===e.mediaSource.readyState){e.sourceBuffer_.abort()}e.sourceBuffer_.removeEventListener("updateend",t)};this.sourceBuffer_.removeEventListener("updateend",this.onUpdateendCallback_);if(this.sourceBuffer_.removing){this.sourceBuffer_.addEventListener("updateend",t)}else{t()}}}]);return e}(),em={GOAL_BUFFER_LENGTH:30,MAX_GOAL_BUFFER_LENGTH:60,GOAL_BUFFER_LENGTH_RATE:1,INITIAL_BANDWIDTH:4194304,BANDWIDTH_VARIANCE:1.2,BUFFER_LOW_WATER_LINE:0,MAX_BUFFER_LOW_WATER_LINE:30,BUFFER_LOW_WATER_LINE_RATE:1},tm={FAILURE:2,TIMEOUT:-101,ABORTED:-102},am=function(e){e.forEach(function(e){e.abort()})},nm=function(e){return{bandwidth:e.bandwidth,bytesReceived:e.bytesReceived||0,roundTripTime:e.roundTripTime||0}},rm=function(e){var t=e.target,a=Date.now()-t.requestTime,n={bandwidth:1/0,bytesReceived:0,roundTripTime:a||0};n.bytesReceived=e.loaded;n.bandwidth=Math.floor(1e3*(8*(n.bytesReceived/n.roundTripTime)));return n},im=function(e,t){if(t.timedout){return{status:t.status,message:"HLS request timed-out at URL: "+t.uri,code:tm.TIMEOUT,xhr:t}}if(t.aborted){return{status:t.status,message:"HLS request aborted at URL: "+t.uri,code:tm.ABORTED,xhr:t}}if(e){return{status:t.status,message:"HLS request errored at URL: "+t.uri,code:tm.FAILURE,xhr:t}}return null},sm=function(e,t){return function(a,n){var r=n.response,i=im(a,n);if(i){return t(i,e)}if(16!==r.byteLength){return t({status:n.status,message:"Invalid HLS key at URL: "+n.uri,code:tm.FAILURE,xhr:n},e)}var s=new DataView(r);e.key.bytes=new Uint32Array([s.getUint32(0),s.getUint32(4),s.getUint32(8),s.getUint32(12)]);return t(null,e)}},om=function(e,t,a){return function(n,r){var i=r.response,s=im(n,r);if(s){return a(s,e)}if(0===i.byteLength){return a({status:r.status,message:"Empty HLS segment content at URL: "+r.uri,code:tm.FAILURE,xhr:r},e)}e.map.bytes=new Uint8Array(r.response);if(t&&!t.isInitialized()){t.init()}e.map.timescales=fd.timescale(e.map.bytes);e.map.videoTrackIds=fd.videoTrackIds(e.map.bytes);return a(null,e)}},lm=function(e,t,a){return function(n,r){var i=r.response,s=im(n,r),o=void 0;if(s){return a(s,e)}if(0===i.byteLength){return a({status:r.status,message:"Empty HLS segment content at URL: "+r.uri,code:tm.FAILURE,xhr:r},e)}e.stats=nm(r);if(e.key){e.encryptedBytes=new Uint8Array(r.response)}else{e.bytes=new Uint8Array(r.response)}if(t&&e.map&&e.map.bytes){if(!t.isInitialized()){t.init()}o=t.parse(e.bytes,e.map.videoTrackIds,e.map.timescales);if(o&&o.captions){e.captionStreams=o.captionStreams;e.fmp4Captions=o.captions}}return a(null,e)}},dm=function(e,t,a){e.addEventListener("message",function r(n){if(n.data.source===t.requestId){e.removeEventListener("message",r);var i=n.data.decrypted;t.bytes=new Uint8Array(i.bytes,i.byteOffset,i.byteLength);return a(null,t)}});var n;if(t.key.bytes.slice){n=t.key.bytes.slice()}else{n=new Uint32Array(Array.prototype.slice.call(t.key.bytes))}e.postMessage(Du({source:t.requestId,encrypted:t.encryptedBytes,key:n,iv:t.key.iv}),[t.encryptedBytes.buffer,n.buffer])},pm=function(e,t,a){var n=0,r=!1;return function(i,s){if(r){return}if(i){r=!0;am(e);return a(i,s)}n+=1;if(n===e.length){s.endOfAllRequests=Date.now();if(s.encryptedBytes){return dm(t,s,a)}return a(null,s)}}},um=function(e,t){return function(a){e.stats=Hi.mergeOptions(e.stats,rm(a));if(!e.stats.firstBytesReceivedAt&&e.stats.bytesReceived){e.stats.firstBytesReceivedAt=Date.now()}return t(a,e)}},cm=function(e,t,a,n,r,i,s){var o=[],l=pm(o,a,s);if(r.key&&!r.key.bytes){var d=Hi.mergeOptions(t,{uri:r.key.resolvedUri,responseType:"arraybuffer"}),p=sm(r,l),u=e(d,p);o.push(u)}if(r.map&&!r.map.bytes){var c=Hi.mergeOptions(t,{uri:r.map.resolvedUri,responseType:"arraybuffer",headers:Iu(r.map)}),m=om(r,n,l),g=e(c,m);o.push(g)}var y=Hi.mergeOptions(t,{uri:r.resolvedUri,responseType:"arraybuffer",headers:Iu(r)}),h=lm(r,n,l),_=e(y,h);_.addEventListener("progress",um(r,i));o.push(_);return function(){return am(o)}},mm=function(t,a){var n;if(!t){return""}n=e.getComputedStyle(t);if(!n){return""}return n[a]},gm=function(e,t){var a=e.slice();e.sort(function(e,n){var r=t(e,n);if(0===r){return a.indexOf(e)-a.indexOf(n)}return r})},ym=function(t,a){var n=void 0,r=void 0;if(t.attributes.BANDWIDTH){n=t.attributes.BANDWIDTH}n=n||e.Number.MAX_VALUE;if(a.attributes.BANDWIDTH){r=a.attributes.BANDWIDTH}r=r||e.Number.MAX_VALUE;return n-r},hm=function(t,a){var n=void 0,r=void 0;if(t.attributes.RESOLUTION&&t.attributes.RESOLUTION.width){n=t.attributes.RESOLUTION.width}n=n||e.Number.MAX_VALUE;if(a.attributes.RESOLUTION&&a.attributes.RESOLUTION.width){r=a.attributes.RESOLUTION.width}r=r||e.Number.MAX_VALUE;if(n===r&&t.attributes.BANDWIDTH&&a.attributes.BANDWIDTH){return t.attributes.BANDWIDTH-a.attributes.BANDWIDTH}return n-r},_m=function(t,a,n,r,i){var s=t.playlists.map(function(t){var a=void 0,n=void 0,r=void 0;a=t.attributes.RESOLUTION&&t.attributes.RESOLUTION.width;n=t.attributes.RESOLUTION&&t.attributes.RESOLUTION.height;r=t.attributes.BANDWIDTH;r=r||e.Number.MAX_VALUE;return{bandwidth:r,width:a,height:n,playlist:t}});gm(s,function(e,t){return e.bandwidth-t.bandwidth});s=s.filter(function(e){return!vu.isIncompatible(e.playlist)});var o=s.filter(function(e){return vu.isEnabled(e.playlist)});if(!o.length){o=s.filter(function(e){return!vu.isDisabled(e.playlist)})}var l=o.filter(function(e){return e.bandwidth*em.BANDWIDTH_VARIANCE<a}),d=l[l.length-1],p=l.filter(function(e){return e.bandwidth===d.bandwidth})[0];if(!1===i){var u=p||o[0]||s[0];return u?u.playlist:null}var c=l.filter(function(e){return e.width&&e.height});gm(c,function(e,t){return e.width-t.width});var m=c.filter(function(e){return e.width===n&&e.height===r});d=m[m.length-1];var g=m.filter(function(e){return e.bandwidth===d.bandwidth})[0],y=void 0,h=void 0,_=void 0;if(!g){y=c.filter(function(e){return e.width>n||e.height>r});h=y.filter(function(e){return e.width===y[0].width&&e.height===y[0].height});d=h[h.length-1];_=h.filter(function(e){return e.bandwidth===d.bandwidth})[0]}var f=_||g||p||o[0]||s[0];return f?f.playlist:null},fm=function(e){var t=e.master,a=e.currentTime,n=e.bandwidth,r=e.duration,i=e.segmentDuration,s=e.timeUntilRebuffer,o=e.currentTimeline,l=e.syncController,d=t.playlists.filter(function(e){return!vu.isIncompatible(e)}),p=d.filter(vu.isEnabled);if(!p.length){p=d.filter(function(e){return!vu.isDisabled(e)})}var u=p.filter(vu.hasAttribute.bind(null,"BANDWIDTH")),c=u.map(function(e){var t=l.getSyncPoint(e,r,o,a),d=t?1:2,p=vu.estimateSegmentRequestTime(i,n,e);return{playlist:e,rebufferingImpact:p*d-s}}),m=c.filter(function(e){return 0>=e.rebufferingImpact});gm(m,function(e,t){return ym(t.playlist,e.playlist)});if(m.length){return m[0]}gm(c,function(e,t){return e.rebufferingImpact-t.rebufferingImpact});return c[0]||null},Tm=function(e,t,a){for(var n in a){if(!e[n]){t.trigger({type:"usage",name:"hls-608"});var r=t.textTracks().getTrackById(n);if(r){e[n]=r}else{e[n]=t.addRemoteTextTrack({kind:"captions",id:n,label:n},!1).track}}}},bm=function(e){var t=e.inbandTextTracks,a=e.captionArray,n=e.timestampOffset;if(!a){return}var r=window.WebKitDataCue||window.VTTCue;a.forEach(function(e){var a=e.stream,i=e.startTime,s=e.endTime;if(!t[a]){return}i+=n;s+=n;t[a].addCue(new r(i,s,e.text))})},vm=function(e,t,a){if(!e||!t){return!1}var n=e.segments,r=a===n.length;return e.endList&&"open"===t.readyState&&r},Sm=function(e){return"number"==typeof e&&isFinite(e)},km=function(e,t,a){if("main"!==e||!t||!a){return null}if(!a.containsAudio&&!a.containsVideo){return"Neither audio nor video found in segment."}if(t.containsVideo&&!a.containsVideo){return"Only audio found in segment when we expected video. We can't switch to audio only from a stream that had video. To get rid of this message, please add codec information to the manifest."}if(!t.containsVideo&&a.containsVideo){return"Video found in segment when we expected only audio. We can't switch to a stream with video from an audio only stream. To get rid of this message, please add codec information to the manifest."}return null},Cm=function(e,t,a){var n=t-30;if(e.length){n=Math.max(n,e.start(0))}return Math.min(t-a,n)},Em=function(e){var t=e.segment,a=t.start,n=t.end,r=e.playlist,i=r.mediaSequence,s=r.id,o=r.segments,l=o===void 0?[]:o,d=e.mediaIndex,p=e.timeline;return["appending ["+d+"] of ["+i+", "+(i+l.length)+"] from playlist ["+s+"]","["+a+" => "+n+"] in timeline ["+p+"]"].join(" ")},Im=function(t){Fp(a,t);function a(e){Mp(this,a);var t=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this));if(!e){throw new TypeError("Initialization settings are required")}if("function"!=typeof e.currentTime){throw new TypeError("No currentTime getter specified")}if(!e.mediaSource){throw new TypeError("No MediaSource specified")}t.bandwidth=e.bandwidth;t.throughput={rate:0,count:0};t.roundTrip=NaN;t.resetStats_();t.mediaIndex=null;t.hasPlayed_=e.hasPlayed;t.currentTime_=e.currentTime;t.seekable_=e.seekable;t.seeking_=e.seeking;t.duration_=e.duration;t.mediaSource_=e.mediaSource;t.hls_=e.hls;t.loaderType_=e.loaderType;t.startingMedia_=void 0;t.segmentMetadataTrack_=e.segmentMetadataTrack;t.goalBufferLength_=e.goalBufferLength;t.sourceType_=e.sourceType;t.inbandTextTracks_=e.inbandTextTracks;t.state_="INIT";t.checkBufferTimeout_=null;t.error_=void 0;t.currentTimeline_=-1;t.pendingSegment_=null;t.mimeType_=null;t.sourceUpdater_=null;t.xhrOptions_=null;t.activeInitSegmentId_=null;t.initSegments_={};t.cacheEncryptionKeys_=e.cacheEncryptionKeys;t.keyCache_={};if("main"===t.loaderType_){t.captionParser_=new Fd}else{t.captionParser_=null}t.decrypter_=e.decrypter;t.syncController_=e.syncController;t.syncPoint_={segmentIndex:0,time:0};t.triggerSyncInfoUpdate_=function(){return t.trigger("syncinfoupdate")};t.syncController_.on("syncinfoupdate",t.triggerSyncInfoUpdate_);t.mediaSource_.addEventListener("sourceopen",function(){return t.ended_=!1});t.fetchAtBuffer_=!1;t.logger_=Qc("SegmentLoader["+t.loaderType_+"]");Object.defineProperty(t,"state",{get:function(){return this.state_},set:function(e){if(e!==this.state_){this.logger_(this.state_+" -> "+e);this.state_=e}}});return t}Bp(a,[{key:"resetStats_",value:function(){this.mediaBytesTransferred=0;this.mediaRequests=0;this.mediaRequestsAborted=0;this.mediaRequestsTimedout=0;this.mediaRequestsErrored=0;this.mediaTransferDuration=0;this.mediaSecondsLoaded=0}},{key:"dispose",value:function(){this.trigger("dispose");this.state="DISPOSED";this.pause();this.abort_();if(this.sourceUpdater_){this.sourceUpdater_.dispose()}this.resetStats_();if(this.captionParser_){this.captionParser_.reset()}if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}if(this.syncController_&&this.triggerSyncInfoUpdate_){this.syncController_.off("syncinfoupdate",this.triggerSyncInfoUpdate_)}this.off()}},{key:"abort",value:function(){if("WAITING"!==this.state){if(this.pendingSegment_){this.pendingSegment_=null}return}this.abort_();this.state="READY";if(!this.paused()){this.monitorBuffer_()}}},{key:"abort_",value:function(){if(this.pendingSegment_){this.pendingSegment_.abortRequests()}this.pendingSegment_=null}},{key:"error",value:function(e){if("undefined"!=typeof e){this.error_=e}this.pendingSegment_=null;return this.error_}},{key:"endOfStream",value:function(){this.ended_=!0;this.pause();this.trigger("ended")}},{key:"buffered_",value:function(){if(!this.sourceUpdater_){return Hi.createTimeRanges()}return this.sourceUpdater_.buffered()}},{key:"initSegment",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=wu(e),n=this.initSegments_[a];if(t&&!n&&e.bytes){this.initSegments_[a]=n={resolvedUri:e.resolvedUri,byterange:e.byterange,bytes:e.bytes,timescales:e.timescales,videoTrackIds:e.videoTrackIds}}return n||e}},{key:"segmentKey",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=Au(e),n=this.keyCache_[a];if(this.cacheEncryptionKeys_&&t&&!n&&e.bytes){this.keyCache_[a]=n={resolvedUri:e.resolvedUri,bytes:e.bytes}}var r={resolvedUri:(n||e).resolvedUri};if(n){r.bytes=n.bytes}return r}},{key:"couldBeginLoading_",value:function(){return this.playlist_&&(this.sourceUpdater_||this.mimeType_&&"INIT"===this.state)&&!this.paused()}},{key:"load",value:function(){this.monitorBuffer_();if(!this.playlist_){return}this.syncController_.setDateTimeMapping(this.playlist_);if("INIT"===this.state&&this.couldBeginLoading_()){return this.init_()}if(!this.couldBeginLoading_()||"READY"!==this.state&&"INIT"!==this.state){return}this.state="READY"}},{key:"init_",value:function(){this.state="READY";this.sourceUpdater_=new Zc(this.mediaSource_,this.mimeType_,this.loaderType_,this.sourceBufferEmitter_);this.resetEverything();return this.monitorBuffer_()}},{key:"playlist",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{};if(!e){return}var a=this.playlist_,n=this.pendingSegment_;this.playlist_=e;this.xhrOptions_=t;if("INIT"===this.state){e.syncInfo={mediaSequence:e.mediaSequence,time:0}}var r=null;if(a){if(a.id){r=a.id}else if(a.uri){r=a.uri}}this.logger_("playlist update ["+r+" => "+(e.id||e.uri)+"]");this.trigger("syncinfoupdate");if("INIT"===this.state&&this.couldBeginLoading_()){return this.init_()}if(!a||a.uri!==e.uri){if(null!==this.mediaIndex){this.resyncLoader()}return}var i=e.mediaSequence-a.mediaSequence;this.logger_("live window shift ["+i+"]");if(null!==this.mediaIndex){this.mediaIndex-=i}if(n){n.mediaIndex-=i;if(0<=n.mediaIndex){n.segment=e.segments[n.mediaIndex]}}this.syncController_.saveExpiredSegmentInfo(a,e)}},{key:"pause",value:function(){if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_);this.checkBufferTimeout_=null}}},{key:"paused",value:function(){return null===this.checkBufferTimeout_}},{key:"mimeType",value:function(e,t){if(this.mimeType_){return}this.mimeType_=e;this.sourceBufferEmitter_=t;if("INIT"===this.state&&this.couldBeginLoading_()){this.init_()}}},{key:"resetEverything",value:function(e){this.ended_=!1;this.resetLoader();this.remove(0,1/0,e);if(this.captionParser_){this.captionParser_.clearAllCaptions()}this.trigger("reseteverything")}},{key:"resetLoader",value:function(){this.fetchAtBuffer_=!1;this.resyncLoader()}},{key:"resyncLoader",value:function(){this.mediaIndex=null;this.syncPoint_=null;this.abort()}},{key:"remove",value:function(e,t,a){if(t===1/0){t=this.duration_()}if(this.sourceUpdater_){this.sourceUpdater_.remove(e,t,a)}tc(e,t,this.segmentMetadataTrack_);if(this.inbandTextTracks_){for(var n in this.inbandTextTracks_){tc(e,t,this.inbandTextTracks_[n])}}}},{key:"monitorBuffer_",value:function(){if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}this.checkBufferTimeout_=e.setTimeout(this.monitorBufferTick_.bind(this),1)}},{key:"monitorBufferTick_",value:function(){if("READY"===this.state){this.fillBuffer_()}if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}this.checkBufferTimeout_=e.setTimeout(this.monitorBufferTick_.bind(this),500)}},{key:"fillBuffer_",value:function(){if(this.sourceUpdater_.updating()){return}if(!this.syncPoint_){this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_())}var e=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);if(!e){return}if(this.isEndOfStream_(e.mediaIndex)){this.endOfStream();return}if(e.mediaIndex===this.playlist_.segments.length-1&&"ended"===this.mediaSource_.readyState&&!this.seeking_()){return}if(e.timeline!==this.currentTimeline_){this.syncController_.reset();e.timestampOffset=e.startOfSegment;if(this.captionParser_){this.captionParser_.clearAllCaptions()}}this.loadSegment_(e)}},{key:"isEndOfStream_",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:this.playlist_;return vm(t,this.mediaSource_,e)&&!this.sourceUpdater_.updating()}},{key:"checkBuffer_",value:function(e,t,a,n,r,i){var s=0,o=void 0;if(e.length){s=e.end(e.length-1)}var l=Math.max(0,s-r);if(!t.segments.length){return null}if(l>=this.goalBufferLength_()){return null}if(!n&&1<=l){return null}if(null===i){a=this.getSyncSegmentCandidate_(t);return this.generateSegmentInfo_(t,a,null,!0)}if(null!==a){t.segments[a];o=s;return this.generateSegmentInfo_(t,a+1,o,!1)}if(this.fetchAtBuffer_){var d=vu.getMediaInfoForTime(t,s,i.segmentIndex,i.time);a=d.mediaIndex;o=d.startTime}else{var p=vu.getMediaInfoForTime(t,r,i.segmentIndex,i.time);a=p.mediaIndex;o=p.startTime}return this.generateSegmentInfo_(t,a,o,!1)}},{key:"getSyncSegmentCandidate_",value:function(e){var t=this;if(-1===this.currentTimeline_){return 0}var a=e.segments.map(function(e,t){return{timeline:e.timeline,segmentIndex:t}}).filter(function(e){return e.timeline===t.currentTimeline_});if(a.length){return a[Math.min(a.length-1,1)].segmentIndex}return Math.max(e.segments.length-1,0)}},{key:"generateSegmentInfo_",value:function(e,t,a,n){if(0>t||t>=e.segments.length){return null}var r=e.segments[t];return{requestId:"segment-loader-"+Math.random(),uri:r.resolvedUri,mediaIndex:t,isSyncRequest:n,startOfSegment:a,playlist:e,bytes:null,encryptedBytes:null,timestampOffset:null,timeline:r.timeline,duration:r.duration,segment:r}}},{key:"abortRequestEarly_",value:function(e){if(this.hls_.tech_.paused()||!this.xhrOptions_.timeout||!this.playlist_.attributes.BANDWIDTH){return!1}if(1e3>Date.now()-(e.firstBytesReceivedAt||Date.now())){return!1}var t=this.currentTime_(),a=e.bandwidth,n=this.pendingSegment_.duration,r=vu.estimateSegmentRequestTime(n,a,this.playlist_,e.bytesReceived),i=Ju(this.buffered_(),t,this.hls_.tech_.playbackRate())-1;if(r<=i){return!1}var s=fm({master:this.hls_.playlists.master,currentTime:t,bandwidth:a,duration:this.duration_(),segmentDuration:n,timeUntilRebuffer:i,currentTimeline:this.currentTimeline_,syncController:this.syncController_});if(!s){return}var o=r-i-s.rebufferingImpact,l=.5;if(i<=zu){l=1}if(!s.playlist||s.playlist.uri===this.playlist_.uri||o<l){return!1}this.bandwidth=s.playlist.attributes.BANDWIDTH*em.BANDWIDTH_VARIANCE+1;this.abort();this.trigger("earlyabort");return!0}},{key:"handleProgress_",value:function(e,t){if(!this.pendingSegment_||t.requestId!==this.pendingSegment_.requestId||this.abortRequestEarly_(t.stats)){return}this.trigger("progress")}},{key:"loadSegment_",value:function(e){this.state="WAITING";this.pendingSegment_=e;this.trimBackBuffer_(e);e.abortRequests=cm(this.hls_.xhr,this.xhrOptions_,this.decrypter_,this.captionParser_,this.createSimplifiedSegmentObj_(e),this.handleProgress_.bind(this),this.segmentRequestFinished_.bind(this))}},{key:"trimBackBuffer_",value:function(){var e=Cm(this.seekable_(),this.currentTime_(),this.playlist_.targetDuration||10);if(0<e){this.remove(0,e)}}},{key:"createSimplifiedSegmentObj_",value:function(e){var t=e.segment,a={resolvedUri:t.resolvedUri,byterange:t.byterange,requestId:e.requestId};if(t.key){var n=t.key.iv||new Uint32Array([0,0,0,e.mediaIndex+e.playlist.mediaSequence]);a.key=this.segmentKey(t.key);a.key.iv=n}if(t.map){a.map=this.initSegment(t.map)}return a}},{key:"segmentRequestFinished_",value:function(e,t){this.mediaRequests+=1;if(t.stats){this.mediaBytesTransferred+=t.stats.bytesReceived;this.mediaTransferDuration+=t.stats.roundTripTime}if(!this.pendingSegment_){this.mediaRequestsAborted+=1;return}if(t.requestId!==this.pendingSegment_.requestId){return}if(e){this.pendingSegment_=null;this.state="READY";if(e.code===tm.ABORTED){this.mediaRequestsAborted+=1;return}this.pause();if(e.code===tm.TIMEOUT){this.mediaRequestsTimedout+=1;this.bandwidth=1;this.roundTrip=NaN;this.trigger("bandwidthupdate");return}this.mediaRequestsErrored+=1;this.error(e);this.trigger("error");return}this.bandwidth=t.stats.bandwidth;this.roundTrip=t.stats.roundTripTime;if(t.map){t.map=this.initSegment(t.map,!0)}if(t.key){this.segmentKey(t.key,!0)}this.processSegmentResponse_(t)}},{key:"processSegmentResponse_",value:function(e){var t=this.pendingSegment_;t.bytes=e.bytes;if(e.map){t.segment.map.bytes=e.map.bytes}t.endOfAllRequests=e.endOfAllRequests;if(e.fmp4Captions){Tm(this.inbandTextTracks_,this.hls_.tech_,e.captionStreams);bm({inbandTextTracks:this.inbandTextTracks_,captionArray:e.fmp4Captions,timestampOffset:0});if(this.captionParser_){this.captionParser_.clearParsedCaptions()}}this.handleSegment_()}},{key:"handleSegment_",value:function(){var e=this;if(!this.pendingSegment_){this.state="READY";return}var t=this.pendingSegment_,a=t.segment,n=this.syncController_.probeSegmentInfo(t);if("undefined"==typeof this.startingMedia_&&n&&(n.containsAudio||n.containsVideo)){this.startingMedia_={containsAudio:n.containsAudio,containsVideo:n.containsVideo}}var r=km(this.loaderType_,this.startingMedia_,n);if(r){this.error({message:r,blacklistDuration:1/0});this.trigger("error");return}if(t.isSyncRequest){this.trigger("syncinfoupdate");this.pendingSegment_=null;this.state="READY";return}if(null!==t.timestampOffset&&t.timestampOffset!==this.sourceUpdater_.timestampOffset()){if(n&&n.segmentTimestampInfo){var i=n.segmentTimestampInfo[0].ptsTime,s=n.segmentTimestampInfo[0].dtsTime;t.timestampOffset-=i-s}this.sourceUpdater_.timestampOffset(t.timestampOffset);this.trigger("timestampoffset")}var o=this.syncController_.mappingForTimeline(t.timeline);if(null!==o){this.trigger({type:"segmenttimemapping",mapping:o})}this.state="APPENDING";if(a.map){var l=wu(a.map);if(!this.activeInitSegmentId_||this.activeInitSegmentId_!==l){var d=this.initSegment(a.map);this.sourceUpdater_.appendBuffer({bytes:d.bytes},function(){e.activeInitSegmentId_=l})}}t.byteLength=t.bytes.byteLength;if("number"==typeof a.start&&"number"==typeof a.end){this.mediaSecondsLoaded+=a.end-a.start}else{this.mediaSecondsLoaded+=a.duration}this.logger_(Em(t));this.sourceUpdater_.appendBuffer({bytes:t.bytes,videoSegmentTimingInfoCallback:this.handleVideoSegmentTimingInfo_.bind(this,t.requestId)},this.handleUpdateEnd_.bind(this))}},{key:"handleVideoSegmentTimingInfo_",value:function(e,t){if(!this.pendingSegment_||e!==this.pendingSegment_.requestId){return}var a=this.pendingSegment_.segment;if(!a.videoTimingInfo){a.videoTimingInfo={}}a.videoTimingInfo.transmuxerPrependedSeconds=t.videoSegmentTimingInfo.prependedContentDuration||0;a.videoTimingInfo.transmuxedPresentationStart=t.videoSegmentTimingInfo.start.presentation;a.videoTimingInfo.transmuxedPresentationEnd=t.videoSegmentTimingInfo.end.presentation;a.videoTimingInfo.baseMediaDecodeTime=t.videoSegmentTimingInfo.baseMediaDecodeTime}},{key:"handleUpdateEnd_",value:function(){if(!this.pendingSegment_){this.state="READY";if(!this.paused()){this.monitorBuffer_()}return}var e=this.pendingSegment_,t=e.segment,a=null!==this.mediaIndex;this.pendingSegment_=null;this.recordThroughput_(e);this.addSegmentMetadataCue_(e);this.state="READY";this.mediaIndex=e.mediaIndex;this.fetchAtBuffer_=!0;this.currentTimeline_=e.timeline;this.trigger("syncinfoupdate");if(t.end&&this.currentTime_()-t.end>3*e.playlist.targetDuration){this.resetEverything();return}if(a){this.trigger("bandwidthupdate")}this.trigger("progress");if(this.isEndOfStream_(e.mediaIndex+1,e.playlist)){this.endOfStream()}if(!this.paused()){this.monitorBuffer_()}}},{key:"recordThroughput_",value:function(e){var t=this.throughput.rate,a=Date.now()-e.endOfAllRequests+1,n=Math.floor(1e3*(8*(e.byteLength/a)));this.throughput.rate+=(n-t)/++this.throughput.count}},{key:"addSegmentMetadataCue_",value:function(t){if(!this.segmentMetadataTrack_){return}var a=t.segment,n=a.start,r=a.end;if(!Sm(n)||!Sm(r)){return}tc(n,r,this.segmentMetadataTrack_);var i=e.WebKitDataCue||e.VTTCue,s={custom:a.custom,dateTimeObject:a.dateTimeObject,dateTimeString:a.dateTimeString,bandwidth:t.playlist.attributes.BANDWIDTH,resolution:t.playlist.attributes.RESOLUTION,codecs:t.playlist.attributes.CODECS,byteLength:t.byteLength,uri:t.uri,timeline:t.timeline,playlist:t.playlist.id,start:n,end:r},o=JSON.stringify(s),l=new i(n,r,o);l.value=s;this.segmentMetadataTrack_.addCue(l)}}]);return a}(Hi.EventTarget),xm=function(e){return decodeURIComponent(escape(String.fromCharCode.apply(null,e)))},Lm=new Uint8Array(["\n","\n"].map(function(e){return e.charCodeAt(0)})),Pm=function(t){Fp(a,t);function a(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{};Mp(this,a);var n=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this,e,t));n.mediaSource_=null;n.subtitlesTrack_=null;n.featuresNativeTextTracks_=e.featuresNativeTextTracks;return n}Bp(a,[{key:"buffered_",value:function(){if(!this.subtitlesTrack_||!this.subtitlesTrack_.cues.length){return Hi.createTimeRanges()}var e=this.subtitlesTrack_.cues,t=e[0].startTime,a=e[e.length-1].startTime;return Hi.createTimeRanges([[t,a]])}},{key:"initSegment",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=wu(e),n=this.initSegments_[a];if(t&&!n&&e.bytes){var r=Lm.byteLength+e.bytes.byteLength,i=new Uint8Array(r);i.set(e.bytes);i.set(Lm,e.bytes.byteLength);this.initSegments_[a]=n={resolvedUri:e.resolvedUri,byterange:e.byterange,bytes:i}}return n||e}},{key:"couldBeginLoading_",value:function(){return this.playlist_&&this.subtitlesTrack_&&!this.paused()}},{key:"init_",value:function(){this.state="READY";this.resetEverything();return this.monitorBuffer_()}},{key:"track",value:function(e){if("undefined"==typeof e){return this.subtitlesTrack_}this.subtitlesTrack_=e;if("INIT"===this.state&&this.couldBeginLoading_()){this.init_()}return this.subtitlesTrack_}},{key:"remove",value:function(e,t){tc(e,t,this.subtitlesTrack_)}},{key:"fillBuffer_",value:function(){var e=this;if(!this.syncPoint_){this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_())}var t=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);t=this.skipEmptySegments_(t);if(!t){return}if(null===this.syncController_.timestampOffsetForTimeline(t.timeline)){var a=function(){e.state="READY";if(!e.paused()){e.monitorBuffer_()}};this.syncController_.one("timestampoffset",a);this.state="WAITING_ON_TIMELINE";return}this.loadSegment_(t)}},{key:"skipEmptySegments_",value:function(e){while(e&&e.segment.empty){e=this.generateSegmentInfo_(e.playlist,e.mediaIndex+1,e.startOfSegment+e.duration,e.isSyncRequest)}return e}},{key:"handleSegment_",value:function(){var t=this;if(!this.pendingSegment_||!this.subtitlesTrack_){this.state="READY";return}this.state="APPENDING";var a=this.pendingSegment_,n=a.segment;if("function"!=typeof e.WebVTT&&this.subtitlesTrack_&&this.subtitlesTrack_.tech_){var r=void 0,i=function(){t.subtitlesTrack_.tech_.off("vttjsloaded",r);t.error({message:"Error loading vtt.js"});t.state="READY";t.pause();t.trigger("error")};r=function(){t.subtitlesTrack_.tech_.off("vttjserror",i);t.handleSegment_()};this.state="WAITING_ON_VTTJS";this.subtitlesTrack_.tech_.one("vttjsloaded",r);this.subtitlesTrack_.tech_.one("vttjserror",i);return}n.requested=!0;try{this.parseVTTCues_(a)}catch(t){this.error({message:t.message});this.state="READY";this.pause();return this.trigger("error")}this.updateTimeMapping_(a,this.syncController_.timelines[a.timeline],this.playlist_);if(a.isSyncRequest){this.trigger("syncinfoupdate");this.pendingSegment_=null;this.state="READY";return}a.byteLength=a.bytes.byteLength;this.mediaSecondsLoaded+=n.duration;if(a.cues.length){this.remove(a.cues[0].endTime,a.cues[a.cues.length-1].endTime)}a.cues.forEach(function(a){t.subtitlesTrack_.addCue(t.featuresNativeTextTracks_?new e.VTTCue(a.startTime,a.endTime,a.text):a)});this.handleUpdateEnd_()}},{key:"parseVTTCues_",value:function(t){var a=void 0,n=!1;if("function"==typeof e.TextDecoder){a=new e.TextDecoder("utf8")}else{a=e.WebVTT.StringDecoder();n=!0}var r=new e.WebVTT.Parser(e,e.vttjs,a);t.cues=[];t.timestampmap={MPEGTS:0,LOCAL:0};r.oncue=t.cues.push.bind(t.cues);r.ontimestampmap=function(e){return t.timestampmap=e};r.onparsingerror=function(e){Hi.log.warn("Error encountered when parsing cues: "+e.message)};if(t.segment.map){var i=t.segment.map.bytes;if(n){i=xm(i)}r.parse(i)}var s=t.bytes;if(n){s=xm(s)}r.parse(s);r.flush()}},{key:"updateTimeMapping_",value:function(e,t,a){var n=e.segment;if(!t){return}if(!e.cues.length){n.empty=!0;return}var r=e.timestampmap,i=r.MPEGTS/9e4-r.LOCAL+t.mapping;e.cues.forEach(function(e){e.startTime+=i;e.endTime+=i});if(!a.syncInfo){var s=e.cues[0].startTime,o=e.cues[e.cues.length-1].startTime;a.syncInfo={mediaSequence:a.mediaSequence+e.mediaIndex,time:Math.min(s,o-n.duration)}}}}]);return a}(Im),Dm=function(e,t){for(var a=e.cues,n=0,r;n<a.length;n++){r=a[n];if(t>=r.adStartTime&&t<=r.adEndTime){return r}}return null},wm=function(t,a){var n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:0;if(!t.segments){return}for(var r=n,s=void 0,o=0,l;o<t.segments.length;o++){l=t.segments[o];if(!s){s=Dm(a,r+l.duration/2)}if(s){if("cueIn"in l){s.endTime=r;s.adEndTime=r;r+=l.duration;s=null;continue}if(r<s.endTime){r+=l.duration;continue}s.endTime+=l.duration}else{if("cueOut"in l){s=new e.VTTCue(r,r+l.duration,l.cueOut);s.adStartTime=r;s.adEndTime=r+parseFloat(l.cueOut);a.addCue(s)}if("cueOutCont"in l){var d=void 0,p=void 0,u=l.cueOutCont.split("/").map(parseFloat),c=qp(u,2);d=c[0];p=c[1];s=new e.VTTCue(r,r+l.duration,"");s.adStartTime=r-d;s.adEndTime=s.adStartTime+p;a.addCue(s)}}r+=l.duration}},Am={inspect:function(e,t){var a=cp.aac.isLikelyAacData(e),n;if(a){n=bp(e)}else{n=vp(e)}if(!n||!n.audio&&!n.video){return null}Tp(n,t);return n},parseAudioPes_:_p}.inspect,Om=[{name:"VOD",run:function(e,t,a){if(a!==1/0){return{time:0,segmentIndex:0}}return null}},{name:"ProgramDateTime",run:function(e,t,a,n,r){if(!e.datetimeToDisplayTime){return null}var s=t.segments||[],o=null,l=null;r=r||0;for(var d=0,p;d<s.length;d++){p=s[d];if(p.dateTimeObject){var u=p.dateTimeObject.getTime()/1e3,c=u+e.datetimeToDisplayTime,m=Math.abs(r-c);if(null!==l&&(0===m||l<m)){break}l=m;o={time:c,segmentIndex:d}}}return o}},{name:"Segment",run:function(e,t,a,n,r){var s=t.segments||[],o=null,l=null;r=r||0;for(var d=0,p;d<s.length;d++){p=s[d];if(p.timeline===n&&"undefined"!=typeof p.start){var u=Math.abs(r-p.start);if(null!==l&&l<u){break}if(!o||null===l||l>=u){l=u;o={time:p.start,segmentIndex:d}}}}return o}},{name:"Discontinuity",run:function(e,t,a,n,r){var s=null;r=r||0;if(t.discontinuityStarts&&t.discontinuityStarts.length){for(var o=null,l=0;l<t.discontinuityStarts.length;l++){var d=t.discontinuityStarts[l],p=t.discontinuitySequence+l+1,u=e.discontinuities[p];if(u){var c=Math.abs(r-u.time);if(null!==o&&o<c){break}if(!s||null===o||o>=c){o=c;s={time:u.time,segmentIndex:d}}}}}return s}},{name:"Playlist",run:function(e,t){if(t.syncInfo){var a={time:t.syncInfo.time,segmentIndex:t.syncInfo.mediaSequence-t.mediaSequence};return a}return null}}],Rm=function(e){Fp(t,e);function t(){Mp(this,t);var e=Hp(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));e.inspectCache_=void 0;e.timelines=[];e.discontinuities=[];e.datetimeToDisplayTime=null;e.logger_=Qc("SyncController");return e}Bp(t,[{key:"getSyncPoint",value:function(e,t,a,n){var r=this.runStrategies_(e,t,a,n);if(!r.length){return null}return this.selectSyncPoint_(r,{key:"time",value:n})}},{key:"getExpiredTime",value:function(e,t){if(!e||!e.segments){return null}var a=this.runStrategies_(e,t,e.discontinuitySequence,0);if(!a.length){return null}var n=this.selectSyncPoint_(a,{key:"segmentIndex",value:0});if(0<n.segmentIndex){n.time*=-1}return Math.abs(n.time+su(e,n.segmentIndex,0))}},{key:"runStrategies_",value:function(e,t,a,n){for(var r=[],s=0;s<Om.length;s++){var o=Om[s],l=o.run(this,e,t,a,n);if(l){l.strategy=o.name;r.push({strategy:o.name,syncPoint:l})}}return r}},{key:"selectSyncPoint_",value:function(e,t){for(var a=e[0].syncPoint,n=Math.abs(e[0].syncPoint[t.key]-t.value),r=e[0].strategy,s=1,o;s<e.length;s++){o=Math.abs(e[s].syncPoint[t.key]-t.value);if(o<n){n=o;a=e[s].syncPoint;r=e[s].strategy}}this.logger_("syncPoint for ["+t.key+": "+t.value+"] chosen with strategy"+(" ["+r+"]: [time:"+a.time+",")+(" segmentIndex:"+a.segmentIndex+"]"));return a}},{key:"saveExpiredSegmentInfo",value:function(e,t){for(var a=t.mediaSequence-e.mediaSequence,n=a-1,r;0<=n;n--){r=e.segments[n];if(r&&"undefined"!=typeof r.start){t.syncInfo={mediaSequence:e.mediaSequence+n,time:r.start};this.logger_("playlist refresh sync: [time:"+t.syncInfo.time+","+(" mediaSequence: "+t.syncInfo.mediaSequence+"]"));this.trigger("syncinfoupdate");break}}}},{key:"setDateTimeMapping",value:function(e){if(!this.datetimeToDisplayTime&&e.segments&&e.segments.length&&e.segments[0].dateTimeObject){var t=e.segments[0].dateTimeObject.getTime()/1e3;this.datetimeToDisplayTime=-t}}},{key:"reset",value:function(){this.inspectCache_=void 0}},{key:"probeSegmentInfo",value:function(e){var t=e.segment,a=e.playlist,n=void 0;if(t.map){n=this.probeMp4Segment_(e)}else{n=this.probeTsSegment_(e)}if(n){if(this.calculateSegmentTimeMapping_(e,n)){this.saveDiscontinuitySyncInfo_(e);if(!a.syncInfo){a.syncInfo={mediaSequence:a.mediaSequence+e.mediaIndex,time:t.start}}}}return n}},{key:"probeMp4Segment_",value:function(e){var t=e.segment,a=fd.timescale(t.map.bytes),n=fd.compositionStartTime(a,e.bytes);if(null!==e.timestampOffset){e.timestampOffset-=n}return{start:n,end:n+t.duration}}},{key:"probeTsSegment_",value:function(e){var t=Am(e.bytes,this.inspectCache_),a=void 0,n=void 0,r=void 0;if(!t){return null}if(t.video&&2===t.video.length){this.inspectCache_=t.video[1].dts;a=t.video[0].dtsTime;n=t.video[1].dtsTime;r=t.video}else if(t.audio&&2===t.audio.length){this.inspectCache_=t.audio[1].dts;a=t.audio[0].dtsTime;n=t.audio[1].dtsTime;r=t.audio}var i={segmentTimestampInfo:r,start:a,end:n,containsVideo:t.video&&2===t.video.length,containsAudio:t.audio&&2===t.audio.length};return i}},{key:"timestampOffsetForTimeline",value:function(e){if("undefined"==typeof this.timelines[e]){return null}return this.timelines[e].time}},{key:"mappingForTimeline",value:function(e){if("undefined"==typeof this.timelines[e]){return null}return this.timelines[e].mapping}},{key:"calculateSegmentTimeMapping_",value:function(e,t){var a=e.segment,n=this.timelines[e.timeline];if(null!==e.timestampOffset){n={time:e.startOfSegment,mapping:e.startOfSegment-t.start};this.timelines[e.timeline]=n;this.trigger("timestampoffset");this.logger_("time mapping for timeline "+e.timeline+": "+("[time: "+n.time+"] [mapping: "+n.mapping+"]"));a.start=e.startOfSegment;a.end=t.end+n.mapping}else if(n){a.start=t.start+n.mapping;a.end=t.end+n.mapping}else{return!1}return!0}},{key:"saveDiscontinuitySyncInfo_",value:function(e){var t=e.playlist,a=e.segment;if(a.discontinuity){this.discontinuities[a.timeline]={time:a.start,accuracy:0}}else if(t.discontinuityStarts&&t.discontinuityStarts.length){for(var n=0;n<t.discontinuityStarts.length;n++){var r=t.discontinuityStarts[n],s=t.discontinuitySequence+n+1,o=r-e.mediaIndex,l=Math.abs(o);if(!this.discontinuities[s]||this.discontinuities[s].accuracy>l){var d=void 0;if(0>o){d=a.start-su(t,e.mediaIndex,r)}else{d=a.end+su(t,e.mediaIndex+1,r)}this.discontinuities[s]={time:d,accuracy:l}}}}}},{key:"dispose",value:function(){this.trigger("dispose");this.off()}}]);return t}(Hi.EventTarget),Nm=new pc("./decrypter-worker.worker.js",function(){var e=this,t=function(){function t(e){return e.subarray(0,e.byteLength-e[e.byteLength-1])}var a=function(e,t){if(!(e instanceof t)){throw new TypeError("Cannot call a class as a function")}},n=function(){function e(e,t){for(var a=0,n;a<t.length;a++){n=t[a];n.enumerable=n.enumerable||!1;n.configurable=!0;if("value"in 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n}t.prototype.processJob_=function(){this.jobs.shift()();if(this.jobs.length){this.timeout_=setTimeout(this.processJob_.bind(this),this.delay)}else{this.timeout_=null}};t.prototype.push=function(e){this.jobs.push(e);if(!this.timeout_){this.timeout_=setTimeout(this.processJob_.bind(this),this.delay)}};return t}(d),u=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},c=function(e,t,a){var n=new Int32Array(e.buffer,e.byteOffset,e.byteLength>>2),r=new l(Array.prototype.slice.call(t)),i=new Uint8Array(e.byteLength),s=new Int32Array(i.buffer),o=void 0,d=void 0,p=void 0,c=void 0,m=void 0,g=void 0,y=void 0,h=void 0,_=void 0;o=a[0];d=a[1];p=a[2];c=a[3];for(_=0;_<n.length;_+=4){m=u(n[_]);g=u(n[_+1]);y=u(n[_+2]);h=u(n[_+3]);r.decrypt(m,g,y,h,s,_);s[_]=u(s[_]^o);s[_+1]=u(s[_+1]^d);s[_+2]=u(s[_+2]^p);s[_+3]=u(s[_+3]^c);o=m;d=g;p=y;c=h}return i},m=function(){function e(n,r,s,o){a(this,e);var l=e.STEP,d=new Int32Array(n.buffer),c=new Uint8Array(n.byteLength),m=0;this.asyncStream_=new p;this.asyncStream_.push(this.decryptChunk_(d.subarray(m,m+l),r,s,c));for(m=l;m<d.length;m+=l){s=new Uint32Array([u(d[m-4]),u(d[m-3]),u(d[m-2]),u(d[m-1])]);this.asyncStream_.push(this.decryptChunk_(d.subarray(m,m+l),r,s,c))}this.asyncStream_.push(function(){o(null,t(c))})}e.prototype.decryptChunk_=function(e,t,a,n){return function(){var r=c(e,t,a);n.set(r,e.byteOffset)}};n(e,null,[{key:"STEP",get:function(){return 32e3}}]);return e}(),g=function(e){var t={};Object.keys(e).forEach(function(a){var n=e[a];if(ArrayBuffer.isView(n)){t[a]={bytes:n.buffer,byteOffset:n.byteOffset,byteLength:n.byteLength}}else{t[a]=n}});return t},y=new function(e){e.onmessage=function(t){var a=t.data,n=new Uint8Array(a.encrypted.bytes,a.encrypted.byteOffset,a.encrypted.byteLength),r=new Uint32Array(a.key.bytes,a.key.byteOffset,a.key.byteLength/4),i=new Uint32Array(a.iv.bytes,a.iv.byteOffset,a.iv.byteLength/4);new m(n,r,i,function(t,n){e.postMessage(g({source:a.source,decrypted:n}),[n.buffer])})}}(e);return y}()}),Um=function(e){var t=e["default"]?"main":"alternative";if(e.characteristics&&0<=e.characteristics.indexOf("public.accessibility.describes-video")){t="main-desc"}return t},Mm=function(e,t){e.abort();e.pause();if(t&&t.activePlaylistLoader){t.activePlaylistLoader.pause();t.activePlaylistLoader=null}},Bm=function(e,t){t.activePlaylistLoader=e;e.load()},jm=function(e,t){return function(){var a=t.segmentLoaders,n=a[e],r=a.main,i=t.mediaTypes[e],s=i.activeTrack(),o=i.activeGroup(s),l=i.activePlaylistLoader;Mm(n,i);if(!o){return}if(!o.playlistLoader){if(l){r.resetEverything()}return}n.resyncLoader();Bm(o.playlistLoader,i)}},Fm=function(e,t){return function(){var a=t.segmentLoaders,n=a[e],r=a.main,i=t.mediaTypes[e],s=i.activeTrack(),o=i.activeGroup(s),l=i.activePlaylistLoader;Mm(n,i);if(!o){return}if(!o.playlistLoader){r.resetEverything();return}if(l===o.playlistLoader){Bm(o.playlistLoader,i);return}if(n.track){n.track(s)}n.resetEverything();Bm(o.playlistLoader,i)}},Hm={AUDIO:function(e,t){return function(){var a=t.segmentLoaders[e],n=t.mediaTypes[e],r=t.blacklistCurrentPlaylist;Mm(a,n);var i=n.activeTrack(),s=n.activeGroup(),o=(s.filter(function(e){return e["default"]})[0]||s[0]).id,l=n.tracks[o];if(i===l){r({message:"Problem encountered loading the default audio track."});return}Hi.log.warn("Problem encountered loading the alternate audio track.Switching back to default.");for(var d in n.tracks){n.tracks[d].enabled=n.tracks[d]===l}n.onTrackChanged()}},SUBTITLES:function(e,t){return function(){var a=t.segmentLoaders[e],n=t.mediaTypes[e];Hi.log.warn("Problem encountered loading the subtitle track.Disabling subtitle track.");Mm(a,n);var r=n.activeTrack();if(r){r.mode="disabled"}n.onTrackChanged()}}},qm={AUDIO:function(e,t,a){if(!t){return}var n=a.tech,r=a.requestOptions,i=a.segmentLoaders[e];t.on("loadedmetadata",function(){var e=t.media();i.playlist(e,r);if(!n.paused()||e.endList&&"none"!==n.preload()){i.load()}});t.on("loadedplaylist",function(){i.playlist(t.media(),r);if(!n.paused()){i.load()}});t.on("error",Hm[e](e,a))},SUBTITLES:function(e,t,a){var n=a.tech,r=a.requestOptions,i=a.segmentLoaders[e],s=a.mediaTypes[e];t.on("loadedmetadata",function(){var e=t.media();i.playlist(e,r);i.track(s.activeTrack());if(!n.paused()||e.endList&&"none"!==n.preload()){i.load()}});t.on("loadedplaylist",function(){i.playlist(t.media(),r);if(!n.paused()){i.load()}});t.on("error",Hm[e](e,a))}},Vm={AUDIO:function(e,t){var a=t.hls,n=t.sourceType,r=t.segmentLoaders[e],i=t.requestOptions,s=t.master.mediaGroups,o=t.mediaTypes[e],l=o.groups,d=o.tracks,p=t.masterPlaylistLoader;if(!s[e]||0===Object.keys(s[e]).length){s[e]={main:{default:{default:!0}}}}for(var u in s[e]){if(!l[u]){l[u]=[]}for(var c in s[e][u]){var m=s[e][u][c],g=void 0;if(m.resolvedUri){g=new eu(m.resolvedUri,a,i)}else if(m.playlists&&"dash"===n){g=new $c(m.playlists[0],a,i,p)}else{g=null}m=Hi.mergeOptions({id:c,playlistLoader:g},m);qm[e](e,m.playlistLoader,t);l[u].push(m);if("undefined"==typeof d[c]){var y=new Hi.AudioTrack({id:c,kind:Um(m),enabled:!1,language:m.language,default:m["default"],label:c});d[c]=y}}}r.on("error",Hm[e](e,t))},SUBTITLES:function(e,t){var a=t.tech,n=t.hls,r=t.sourceType,i=t.segmentLoaders[e],s=t.requestOptions,o=t.master.mediaGroups,l=t.mediaTypes[e],d=l.groups,p=l.tracks,u=t.masterPlaylistLoader;for(var c in o[e]){if(!d[c]){d[c]=[]}for(var m in o[e][c]){if(o[e][c][m].forced){continue}var g=o[e][c][m],y=void 0;if("hls"===r){y=new eu(g.resolvedUri,n,s)}else if("dash"===r){y=new $c(g.playlists[0],n,s,u)}g=Hi.mergeOptions({id:m,playlistLoader:y},g);qm[e](e,g.playlistLoader,t);d[c].push(g);if("undefined"==typeof p[m]){var h=a.addRemoteTextTrack({id:m,kind:"subtitles",default:g["default"]&&g.autoselect,language:g.language,label:m},!1).track;p[m]=h}}}i.on("error",Hm[e](e,t))},"CLOSED-CAPTIONS":function(e,t){var a=t.tech,n=t.master.mediaGroups,r=t.mediaTypes[e],i=r.groups,s=r.tracks;for(var o in n[e]){if(!i[o]){i[o]=[]}for(var l in n[e][o]){var d=n[e][o][l];if(!d.instreamId.match(/CC\d/)){continue}i[o].push(Hi.mergeOptions({id:l},d));if("undefined"==typeof s[l]){var p=a.addRemoteTextTrack({id:d.instreamId,kind:"captions",default:d["default"]&&d.autoselect,language:d.language,label:l},!1).track;s[l]=p}}}}},Wm=function(e,t){return function(a){var n=t.masterPlaylistLoader,r=t.mediaTypes[e].groups,i=n.media();if(!i){return null}var s=null;if(i.attributes[e]){s=r[i.attributes[e]]}s=s||r.main;if("undefined"==typeof a){return s}if(null===a){return null}return s.filter(function(e){return e.id===a.id})[0]||null}},zm={AUDIO:function(e,t){return function(){var a=t.mediaTypes[e].tracks;for(var n in a){if(a[n].enabled){return a[n]}}return null}},SUBTITLES:function(e,t){return function(){var a=t.mediaTypes[e].tracks;for(var n in a){if("showing"===a[n].mode||"hidden"===a[n].mode){return a[n]}}return null}}},Gm=function(e){["AUDIO","SUBTITLES","CLOSED-CAPTIONS"].forEach(function(t){Vm[t](t,e)});var t=e.mediaTypes,a=e.masterPlaylistLoader,n=e.tech,r=e.hls;["AUDIO","SUBTITLES"].forEach(function(a){t[a].activeGroup=Wm(a,e);t[a].activeTrack=zm[a](a,e);t[a].onGroupChanged=jm(a,e);t[a].onTrackChanged=Fm(a,e)});var i=t.AUDIO.activeGroup(),s=(i.filter(function(e){return e["default"]})[0]||i[0]).id;t.AUDIO.tracks[s].enabled=!0;t.AUDIO.onTrackChanged();a.on("mediachange",function(){["AUDIO","SUBTITLES"].forEach(function(e){return t[e].onGroupChanged()})});var o=function(){t.AUDIO.onTrackChanged();n.trigger({type:"usage",name:"hls-audio-change"})};n.audioTracks().addEventListener("change",o);n.remoteTextTracks().addEventListener("change",t.SUBTITLES.onTrackChanged);r.on("dispose",function(){n.audioTracks().removeEventListener("change",o);n.remoteTextTracks().removeEventListener("change",t.SUBTITLES.onTrackChanged)});n.clearTracks("audio");for(var l in t.AUDIO.tracks){n.audioTracks().addTrack(t.AUDIO.tracks[l])}},Km=function(){var e={};["AUDIO","SUBTITLES","CLOSED-CAPTIONS"].forEach(function(t){e[t]={groups:{},tracks:{},activePlaylistLoader:null,activeGroup:Jc,activeTrack:Jc,onGroupChanged:Jc,onTrackChanged:Jc}});return e},Ym=void 0,Xm=["mediaRequests","mediaRequestsAborted","mediaRequestsTimedout","mediaRequestsErrored","mediaTransferDuration","mediaBytesTransferred"],$m=function(e){return this.audioSegmentLoader_[e]+this.mainSegmentLoader_[e]},Qm=function(t){Fp(a,t);function a(e){Mp(this,a);var t=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this)),n=e.url,r=e.handleManifestRedirects,i=e.withCredentials,s=e.tech,o=e.bandwidth,l=e.externHls,d=e.useCueTags,p=e.blacklistDuration,u=e.enableLowInitialPlaylist,c=e.sourceType,m=e.seekTo,g=e.cacheEncryptionKeys;if(!n){throw new Error("A non-empty playlist URL is required")}Ym=l;t.withCredentials=i;t.tech_=s;t.hls_=s.hls;t.seekTo_=m;t.sourceType_=c;t.useCueTags_=d;t.blacklistDuration=p;t.enableLowInitialPlaylist=u;if(t.useCueTags_){t.cueTagsTrack_=t.tech_.addTextTrack("metadata","ad-cues");t.cueTagsTrack_.inBandMetadataTrackDispatchType=""}t.requestOptions_={withCredentials:i,handleManifestRedirects:r,timeout:null};t.mediaTypes_=Km();t.mediaSource=new Hi.MediaSource;t.mediaSource.addEventListener("sourceopen",t.handleSourceOpen_.bind(t));t.seekable_=Hi.createTimeRanges();t.hasPlayed_=!1;t.syncController_=new Rm(e);t.segmentMetadataTrack_=s.addRemoteTextTrack({kind:"metadata",label:"segment-metadata"},!1).track;t.decrypter_=new Nm;t.inbandTextTracks_={};var y={hls:t.hls_,mediaSource:t.mediaSource,currentTime:t.tech_.currentTime.bind(t.tech_),seekable:function(){return t.seekable()},seeking:function(){return t.tech_.seeking()},duration:function(){return t.mediaSource.duration},hasPlayed:function(){return t.hasPlayed_},goalBufferLength:function(){return t.goalBufferLength()},bandwidth:o,syncController:t.syncController_,decrypter:t.decrypter_,sourceType:t.sourceType_,inbandTextTracks:t.inbandTextTracks_,cacheEncryptionKeys:g};t.masterPlaylistLoader_="dash"===t.sourceType_?new $c(n,t.hls_,t.requestOptions_):new eu(n,t.hls_,t.requestOptions_);t.setupMasterPlaylistLoaderListeners_();t.mainSegmentLoader_=new Im(Hi.mergeOptions(y,{segmentMetadataTrack:t.segmentMetadataTrack_,loaderType:"main"}),e);t.audioSegmentLoader_=new Im(Hi.mergeOptions(y,{loaderType:"audio"}),e);t.subtitleSegmentLoader_=new Pm(Hi.mergeOptions(y,{loaderType:"vtt",featuresNativeTextTracks:t.tech_.featuresNativeTextTracks}),e);t.setupSegmentLoaderListeners_();Xm.forEach(function(e){t[e+"_"]=$m.bind(t,e)});t.logger_=Qc("MPC");t.masterPlaylistLoader_.load();return t}Bp(a,[{key:"setupMasterPlaylistLoaderListeners_",value:function(){var t=this;this.masterPlaylistLoader_.on("loadedmetadata",function(){var e=t.masterPlaylistLoader_.media(),a=1e3*(1.5*e.targetDuration);if(bu(t.masterPlaylistLoader_.master,t.masterPlaylistLoader_.media())){t.requestOptions_.timeout=0}else{t.requestOptions_.timeout=a}if(e.endList&&"none"!==t.tech_.preload()){t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.mainSegmentLoader_.load()}Gm({sourceType:t.sourceType_,segmentLoaders:{AUDIO:t.audioSegmentLoader_,SUBTITLES:t.subtitleSegmentLoader_,main:t.mainSegmentLoader_},tech:t.tech_,requestOptions:t.requestOptions_,masterPlaylistLoader:t.masterPlaylistLoader_,hls:t.hls_,master:t.master(),mediaTypes:t.mediaTypes_,blacklistCurrentPlaylist:t.blacklistCurrentPlaylist.bind(t)});t.triggerPresenceUsage_(t.master(),e);try{t.setupSourceBuffers_()}catch(a){Hi.log.warn("Failed to create SourceBuffers",a);return t.mediaSource.endOfStream("decode")}t.setupFirstPlay();if(!t.mediaTypes_.AUDIO.activePlaylistLoader||t.mediaTypes_.AUDIO.activePlaylistLoader.media()){t.trigger("selectedinitialmedia")}else{t.mediaTypes_.AUDIO.activePlaylistLoader.one("loadedmetadata",function(){t.trigger("selectedinitialmedia")})}});this.masterPlaylistLoader_.on("loadedplaylist",function(){var e=t.masterPlaylistLoader_.media();if(!e){t.excludeUnsupportedVariants_();var a;if(t.enableLowInitialPlaylist){a=t.selectInitialPlaylist()}if(!a){a=t.selectPlaylist()}t.initialMedia_=a;t.masterPlaylistLoader_.media(t.initialMedia_);return}if(t.useCueTags_){t.updateAdCues_(e)}t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.updateDuration();if(!t.tech_.paused()){t.mainSegmentLoader_.load();if(t.audioSegmentLoader_){t.audioSegmentLoader_.load()}}if(!e.endList){var n=function(){var e=t.seekable();if(0!==e.length){t.mediaSource.addSeekableRange_(e.start(0),e.end(0))}};if(t.duration()!==1/0){var r=function e(){if(t.duration()===1/0){n()}else{t.tech_.one("durationchange",e)}};t.tech_.one("durationchange",r)}else{n()}}});this.masterPlaylistLoader_.on("error",function(){t.blacklistCurrentPlaylist(t.masterPlaylistLoader_.error)});this.masterPlaylistLoader_.on("mediachanging",function(){t.mainSegmentLoader_.abort();t.mainSegmentLoader_.pause()});this.masterPlaylistLoader_.on("mediachange",function(){var e=t.masterPlaylistLoader_.media(),a=1e3*(1.5*e.targetDuration);if(bu(t.masterPlaylistLoader_.master,t.masterPlaylistLoader_.media())){t.requestOptions_.timeout=0}else{t.requestOptions_.timeout=a}t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.mainSegmentLoader_.load();t.tech_.trigger({type:"mediachange",bubbles:!0})});this.masterPlaylistLoader_.on("playlistunchanged",function(){var e=t.masterPlaylistLoader_.media(),a=t.stuckAtPlaylistEnd_(e);if(a){t.blacklistCurrentPlaylist({message:"Playlist no longer updating."});t.tech_.trigger("playliststuck")}});this.masterPlaylistLoader_.on("renditiondisabled",function(){t.tech_.trigger({type:"usage",name:"hls-rendition-disabled"})});this.masterPlaylistLoader_.on("renditionenabled",function(){t.tech_.trigger({type:"usage",name:"hls-rendition-enabled"})})}},{key:"triggerPresenceUsage_",value:function(e,t){var a=e.mediaGroups||{},n=!0,r=Object.keys(a.AUDIO);for(var i in a.AUDIO){for(var s in a.AUDIO[i]){var o=a.AUDIO[i][s];if(!o.uri){n=!1}}}if(n){this.tech_.trigger({type:"usage",name:"hls-demuxed"})}if(Object.keys(a.SUBTITLES).length){this.tech_.trigger({type:"usage",name:"hls-webvtt"})}if(Ym.Playlist.isAes(t)){this.tech_.trigger({type:"usage",name:"hls-aes"})}if(Ym.Playlist.isFmp4(t)){this.tech_.trigger({type:"usage",name:"hls-fmp4"})}if(r.length&&1<Object.keys(a.AUDIO[r[0]]).length){this.tech_.trigger({type:"usage",name:"hls-alternate-audio"})}if(this.useCueTags_){this.tech_.trigger({type:"usage",name:"hls-playlist-cue-tags"})}}},{key:"setupSegmentLoaderListeners_",value:function(){var e=this;this.mainSegmentLoader_.on("bandwidthupdate",function(){var t=e.selectPlaylist(),a=e.masterPlaylistLoader_.media(),n=e.tech_.buffered(),r=n.length?n.end(n.length-1)-e.tech_.currentTime():0,i=e.bufferLowWaterLine();if(!a.endList||e.duration()<em.MAX_BUFFER_LOW_WATER_LINE||t.attributes.BANDWIDTH<a.attributes.BANDWIDTH||r>=i){e.masterPlaylistLoader_.media(t)}e.tech_.trigger("bandwidthupdate")});this.mainSegmentLoader_.on("progress",function(){e.trigger("progress")});this.mainSegmentLoader_.on("error",function(){e.blacklistCurrentPlaylist(e.mainSegmentLoader_.error())});this.mainSegmentLoader_.on("syncinfoupdate",function(){e.onSyncInfoUpdate_()});this.mainSegmentLoader_.on("timestampoffset",function(){e.tech_.trigger({type:"usage",name:"hls-timestamp-offset"})});this.audioSegmentLoader_.on("syncinfoupdate",function(){e.onSyncInfoUpdate_()});this.mainSegmentLoader_.on("ended",function(){e.onEndOfStream()});this.mainSegmentLoader_.on("earlyabort",function(){e.blacklistCurrentPlaylist({message:"Aborted early because there isn't enough bandwidth to complete the request without rebuffering."},120)});this.mainSegmentLoader_.on("reseteverything",function(){e.tech_.trigger("hls-reset")});this.mainSegmentLoader_.on("segmenttimemapping",function(t){e.tech_.trigger({type:"hls-segment-time-mapping",mapping:t.mapping})});this.audioSegmentLoader_.on("ended",function(){e.onEndOfStream()})}},{key:"mediaSecondsLoaded_",value:function(){return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded+this.mainSegmentLoader_.mediaSecondsLoaded)}},{key:"load",value:function(){this.mainSegmentLoader_.load();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.load()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.load()}}},{key:"smoothQualityChange_",value:function(){var e=this.selectPlaylist();if(e!==this.masterPlaylistLoader_.media()){this.masterPlaylistLoader_.media(e);this.mainSegmentLoader_.resetLoader()}}},{key:"fastQualityChange_",value:function(){var e=this,t=this.selectPlaylist();if(t===this.masterPlaylistLoader_.media()){return}this.masterPlaylistLoader_.media(t);this.mainSegmentLoader_.resetEverything(function(){if(Hi.browser.IE_VERSION||Hi.browser.IS_EDGE){e.tech_.setCurrentTime(e.tech_.currentTime()+.04)}else{e.tech_.setCurrentTime(e.tech_.currentTime())}})}},{key:"play",value:function(){if(this.setupFirstPlay()){return}if(this.tech_.ended()){this.seekTo_(0)}if(this.hasPlayed_){this.load()}var e=this.tech_.seekable();if(this.tech_.duration()===1/0){if(this.tech_.currentTime()<e.start(0)){return this.seekTo_(e.end(e.length-1))}}}},{key:"setupFirstPlay",value:function(){var e=this,t=this.masterPlaylistLoader_.media();if(!t||this.tech_.paused()||this.hasPlayed_){return!1}if(!t.endList){var a=this.seekable();if(!a.length){return!1}if(Hi.browser.IE_VERSION&&0===this.tech_.readyState()){this.tech_.one("loadedmetadata",function(){e.trigger("firstplay");e.seekTo_(a.end(0));e.hasPlayed_=!0});return!1}this.trigger("firstplay");this.seekTo_(a.end(0))}this.hasPlayed_=!0;this.load();return!0}},{key:"handleSourceOpen_",value:function(){try{this.setupSourceBuffers_()}catch(t){Hi.log.warn("Failed to create Source Buffers",t);return this.mediaSource.endOfStream("decode")}if(this.tech_.autoplay()){var e=this.tech_.play();if("undefined"!=typeof e&&"function"==typeof e.then){e.then(null,function(){})}}this.trigger("sourceopen")}},{key:"onEndOfStream",value:function(){var e=this.mainSegmentLoader_.ended_;if(this.mediaTypes_.AUDIO.activePlaylistLoader){if(!this.mainSegmentLoader_.startingMedia_||this.mainSegmentLoader_.startingMedia_.containsVideo){e=e&&this.audioSegmentLoader_.ended_}else{e=this.audioSegmentLoader_.ended_}}if(!e){return}this.logger_("calling mediaSource.endOfStream()");try{this.mediaSource.endOfStream()}catch(t){Hi.log.warn("Failed to call media source endOfStream",t)}}},{key:"stuckAtPlaylistEnd_",value:function(e){var t=this.seekable();if(!t.length){return!1}var a=this.syncController_.getExpiredTime(e,this.mediaSource.duration);if(null===a){return!1}var n=Ym.Playlist.playlistEnd(e,a),r=this.tech_.currentTime(),i=this.tech_.buffered();if(!i.length){return n-r<=Gu}var s=i.end(i.length-1);return s-r<=Gu&&n-s<=Gu}},{key:"blacklistCurrentPlaylist",value:function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:{},t=arguments[1],a=void 0,n=void 0;a=e.playlist||this.masterPlaylistLoader_.media();t=t||e.blacklistDuration||this.blacklistDuration;if(!a){this.error=e;try{return this.mediaSource.endOfStream("network")}catch(t){return this.trigger("error")}}var r=1===this.masterPlaylistLoader_.master.playlists.filter(hu).length,i=this.masterPlaylistLoader_.master.playlists;if(1===i.length){Hi.log.warn("Problem encountered with the current HLS playlist. Trying again since it is the only playlist.");this.tech_.trigger("retryplaylist");return this.masterPlaylistLoader_.load(r)}if(r){Hi.log.warn("Removing all playlists from the blacklist because the last rendition is about to be blacklisted.");i.forEach(function(e){if(e.excludeUntil!==1/0){delete e.excludeUntil}});this.tech_.trigger("retryplaylist")}a.excludeUntil=Date.now()+1e3*t;this.tech_.trigger("blacklistplaylist");this.tech_.trigger({type:"usage",name:"hls-rendition-blacklisted"});n=this.selectPlaylist();Hi.log.warn("Problem encountered with the current HLS playlist."+(e.message?" "+e.message:"")+" Switching to another playlist.");return this.masterPlaylistLoader_.media(n,r)}},{key:"pauseLoading",value:function(){this.mainSegmentLoader_.pause();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.pause()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.pause()}}},{key:"setCurrentTime",value:function(e){var t=Yu(this.tech_.buffered(),e);if(!(this.masterPlaylistLoader_&&this.masterPlaylistLoader_.media())){return 0}if(!this.masterPlaylistLoader_.media().segments){return 0}if(t&&t.length){return e}this.mainSegmentLoader_.resetEverything();this.mainSegmentLoader_.abort();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.resetEverything();this.audioSegmentLoader_.abort()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.resetEverything();this.subtitleSegmentLoader_.abort()}this.load()}},{key:"duration",value:function(){if(!this.masterPlaylistLoader_){return 0}if(this.mediaSource){return this.mediaSource.duration}return Ym.Playlist.duration(this.masterPlaylistLoader_.media())}},{key:"seekable",value:function(){return this.seekable_}},{key:"onSyncInfoUpdate_",value:function(){var e;if(!this.masterPlaylistLoader_){return}var t=this.masterPlaylistLoader_.media();if(!t){return}var a=this.syncController_.getExpiredTime(t,this.mediaSource.duration);if(null===a){return}var n=this.masterPlaylistLoader_.master.suggestedPresentationDelay,r=Ym.Playlist.seekable(t,a,n);if(0===r.length){return}if(this.mediaTypes_.AUDIO.activePlaylistLoader){t=this.mediaTypes_.AUDIO.activePlaylistLoader.media();a=this.syncController_.getExpiredTime(t,this.mediaSource.duration);if(null===a){return}e=Ym.Playlist.seekable(t,a,n);if(0===e.length){return}}var i=void 0,s=void 0;if(this.seekable_&&this.seekable_.length){i=this.seekable_.end(0);s=this.seekable_.start(0)}if(!e){this.seekable_=r}else if(e.start(0)>r.end(0)||r.start(0)>e.end(0)){this.seekable_=r}else{this.seekable_=Hi.createTimeRanges([[e.start(0)>r.start(0)?e.start(0):r.start(0),e.end(0)<r.end(0)?e.end(0):r.end(0)]])}if(this.seekable_&&this.seekable_.length){if(this.seekable_.end(0)===i&&this.seekable_.start(0)===s){return}}this.logger_("seekable updated ["+Qu(this.seekable_)+"]");this.tech_.trigger("seekablechanged")}},{key:"updateDuration",value:function(){var e=this,t=this.mediaSource.duration,a=Ym.Playlist.duration(this.masterPlaylistLoader_.media()),n=this.tech_.buffered(),r=function t(){e.logger_("Setting duration from "+e.mediaSource.duration+" => "+a);try{e.mediaSource.duration=a}catch(t){Hi.log.warn("Failed to set media source duration",t)}e.tech_.trigger("durationchange");e.mediaSource.removeEventListener("sourceopen",t)};if(0<n.length){a=Math.max(a,n.end(n.length-1))}if(t!==a){if("open"!==this.mediaSource.readyState){this.mediaSource.addEventListener("sourceopen",r)}else{r()}}}},{key:"dispose",value:function(){var e=this;this.trigger("dispose");this.decrypter_.terminate();this.masterPlaylistLoader_.dispose();this.mainSegmentLoader_.dispose();["AUDIO","SUBTITLES"].forEach(function(t){var a=e.mediaTypes_[t].groups;for(var n in a){a[n].forEach(function(e){if(e.playlistLoader){e.playlistLoader.dispose()}})}});this.audioSegmentLoader_.dispose();this.subtitleSegmentLoader_.dispose();this.off();if(this.mediaSource.dispose){this.mediaSource.dispose()}}},{key:"master",value:function(){return this.masterPlaylistLoader_.master}},{key:"media",value:function(){return this.masterPlaylistLoader_.media()||this.initialMedia_}},{key:"setupSourceBuffers_",value:function(){var e=this.masterPlaylistLoader_.media(),t=void 0;if(!e||"open"!==this.mediaSource.readyState){return}t=Ec(this.masterPlaylistLoader_.master,e);if(1>t.length){this.error="No compatible SourceBuffer configuration for the variant stream:"+e.resolvedUri;return this.mediaSource.endOfStream("decode")}this.configureLoaderMimeTypes_(t);this.excludeIncompatibleVariants_(e)}},{key:"configureLoaderMimeTypes_",value:function(e){var t=1<e.length&&-1===e[0].indexOf(",")&&e[0]!==e[1]?new Hi.EventTarget:null;this.mainSegmentLoader_.mimeType(e[0],t);if(e[1]){this.audioSegmentLoader_.mimeType(e[1],t)}}},{key:"excludeUnsupportedVariants_",value:function(){this.master().playlists.forEach(function(t){if(t.attributes.CODECS&&e.MediaSource&&e.MediaSource.isTypeSupported&&!e.MediaSource.isTypeSupported("video/mp4; codecs=\""+bc(t.attributes.CODECS)+"\"")){t.excludeUntil=1/0}})}},{key:"excludeIncompatibleVariants_",value:function(e){var t=2,a=null,n=void 0;if(e.attributes.CODECS){n=Tc(e.attributes.CODECS);a=n.videoCodec;t=n.codecCount}this.master().playlists.forEach(function(e){var n={codecCount:2,videoCodec:null};if(e.attributes.CODECS){n=Tc(e.attributes.CODECS)}if(n.codecCount!==t){e.excludeUntil=1/0}if(n.videoCodec!==a){e.excludeUntil=1/0}})}},{key:"updateAdCues_",value:function(e){var t=0,a=this.seekable();if(a.length){t=a.start(0)}wm(e,this.cueTagsTrack_,t)}},{key:"goalBufferLength",value:function(){var e=this.tech_.currentTime(),t=em.GOAL_BUFFER_LENGTH,a=em.GOAL_BUFFER_LENGTH_RATE,n=Math.max(t,em.MAX_GOAL_BUFFER_LENGTH);return Math.min(t+e*a,n)}},{key:"bufferLowWaterLine",value:function(){var e=this.tech_.currentTime(),t=em.BUFFER_LOW_WATER_LINE,a=em.BUFFER_LOW_WATER_LINE_RATE,n=Math.max(t,em.MAX_BUFFER_LOW_WATER_LINE);return Math.min(t+e*a,n)}}]);return a}(Hi.EventTarget),Jm=function(e,t,a){return function(n){var r=e.master.playlists[t],i=yu(r),s=hu(r);if("undefined"==typeof n){return s}if(n){delete r.disabled}else{r.disabled=!0}if(n!==s&&!i){a();if(n){e.trigger("renditionenabled")}else{e.trigger("renditiondisabled")}}return n}},Zm=function n(e,t,a){Mp(this,n);var r=e.masterPlaylistController_,i=e.options_.smoothQualityChange,s=i?"smooth":"fast",o=r[s+"QualityChange_"].bind(r);if(t.attributes.RESOLUTION){var l=t.attributes.RESOLUTION;this.width=l.width;this.height=l.height}this.bandwidth=t.attributes.BANDWIDTH;this.id=a;this.enabled=Jm(e.playlists,t.id,o)},eg=function(t){var a=t.playlists;t.representations=function(){if(!a||!a.master||!a.master.playlists){return[]}return a.master.playlists.filter(function(e){return!yu(e)}).map(function(a){return new Zm(t,a,a.id)})}},tg=["seeking","seeked","pause","playing","error"],ag=function(){function t(a){var n=this;Mp(this,t);this.tech_=a.tech;this.seekable=a.seekable;this.seekTo=a.seekTo;this.allowSeeksWithinUnsafeLiveWindow=a.allowSeeksWithinUnsafeLiveWindow;this.media=a.media;this.consecutiveUpdates=0;this.lastRecordedTime=null;this.timer_=null;this.checkCurrentTimeTimeout_=null;this.logger_=Qc("PlaybackWatcher");this.logger_("initialize");var r=function(){return n.monitorCurrentTime_()},i=function(){return n.techWaiting_()},s=function(){return n.cancelTimer_()},o=function(){return n.fixesBadSeeks_()};this.tech_.on("seekablechanged",o);this.tech_.on("waiting",i);this.tech_.on(tg,s);this.tech_.on("canplay",r);this.dispose=function(){n.logger_("dispose");n.tech_.off("seekablechanged",o);n.tech_.off("waiting",i);n.tech_.off(tg,s);n.tech_.off("canplay",r);if(n.checkCurrentTimeTimeout_){e.clearTimeout(n.checkCurrentTimeTimeout_)}n.cancelTimer_()}}Bp(t,[{key:"monitorCurrentTime_",value:function(){this.checkCurrentTime_();if(this.checkCurrentTimeTimeout_){e.clearTimeout(this.checkCurrentTimeTimeout_)}this.checkCurrentTimeTimeout_=e.setTimeout(this.monitorCurrentTime_.bind(this),250)}},{key:"checkCurrentTime_",value:function(){if(this.tech_.seeking()&&this.fixesBadSeeks_()){this.consecutiveUpdates=0;this.lastRecordedTime=this.tech_.currentTime();return}if(this.tech_.paused()||this.tech_.seeking()){return}var e=this.tech_.currentTime(),t=this.tech_.buffered();if(this.lastRecordedTime===e&&(!t.length||e+Gu>=t.end(t.length-1))){return this.techWaiting_()}if(5<=this.consecutiveUpdates&&e===this.lastRecordedTime){this.consecutiveUpdates++;this.waiting_()}else if(e===this.lastRecordedTime){this.consecutiveUpdates++}else{this.consecutiveUpdates=0;this.lastRecordedTime=e}}},{key:"cancelTimer_",value:function(){this.consecutiveUpdates=0;if(this.timer_){this.logger_("cancelTimer_");clearTimeout(this.timer_)}this.timer_=null}},{key:"fixesBadSeeks_",value:function(){var e=this.tech_.seeking();if(!e){return!1}var t=this.seekable(),a=this.tech_.currentTime(),n=this.afterSeekableWindow_(t,a,this.media(),this.allowSeeksWithinUnsafeLiveWindow),r=void 0;if(n){var i=t.end(t.length-1);r=i}if(this.beforeSeekableWindow_(t,a)){var s=t.start(0);r=s+Gu}if("undefined"!=typeof r){this.logger_("Trying to seek outside of seekable at time "+a+" with "+("seekable range "+Qu(t)+". Seeking to ")+(r+"."));this.seekTo(r);return!0}return!1}},{key:"waiting_",value:function(){if(this.techWaiting_()){return}var e=this.tech_.currentTime(),t=this.tech_.buffered(),a=Yu(t,e);if(a.length&&e+3<=a.end(0)){this.cancelTimer_();this.seekTo(e);this.logger_("Stopped at "+e+" while inside a buffered region "+("["+a.start(0)+" -> "+a.end(0)+"]. Attempting to resume playback by seeking to the current time."));this.tech_.trigger({type:"usage",name:"hls-unknown-waiting"})}}},{key:"techWaiting_",value:function(){var e=this.seekable(),t=this.tech_.currentTime();if(this.tech_.seeking()&&this.fixesBadSeeks_()){return!0}if(this.tech_.seeking()||null!==this.timer_){return!0}if(this.beforeSeekableWindow_(e,t)){var a=e.end(e.length-1);this.logger_("Fell out of live window at time "+t+". Seeking to "+("live point (seekable end) "+a));this.cancelTimer_();this.seekTo(a);this.tech_.trigger({type:"usage",name:"hls-live-resync"});return!0}var n=this.tech_.buffered(),r=Xu(n,t);if(this.videoUnderflow_(r,n,t)){this.cancelTimer_();this.seekTo(t);this.tech_.trigger({type:"usage",name:"hls-video-underflow"});return!0}if(0<r.length){var i=r.start(0)-t;this.logger_("Stopped at "+t+", setting timer for "+i+", seeking "+("to "+r.start(0)));this.timer_=setTimeout(this.skipTheGap_.bind(this),1e3*i,t);return!0}return!1}},{key:"afterSeekableWindow_",value:function(e,t,a){var n=3<arguments.length&&arguments[3]!==void 0?arguments[3]:!1;if(!e.length){return!1}var r=e.end(e.length-1)+Gu,i=!a.endList;if(i&&n){r=e.end(e.length-1)+3*a.targetDuration}if(t>r){return!0}return!1}},{key:"beforeSeekableWindow_",value:function(e,t){if(e.length&&0<e.start(0)&&t<e.start(0)-Gu){return!0}return!1}},{key:"videoUnderflow_",value:function(e,t,a){if(0===e.length){var n=this.gapFromVideoUnderflow_(t,a);if(n){this.logger_("Encountered a gap in video from "+n.start+" to "+n.end+". "+("Seeking to current time "+a));return!0}}return!1}},{key:"skipTheGap_",value:function(e){var t=this.tech_.buffered(),a=this.tech_.currentTime(),n=Xu(t,a);this.cancelTimer_();if(0===n.length||a!==e){return}this.logger_("skipTheGap_:","currentTime:",a,"scheduled currentTime:",e,"nextRange start:",n.start(0));this.seekTo(n.start(0)+zu);this.tech_.trigger({type:"usage",name:"hls-gap-skip"})}},{key:"gapFromVideoUnderflow_",value:function(e,t){for(var a=$u(e),n=0;n<a.length;n++){var r=a.start(n),s=a.end(n);if(4>t-r&&2<t-r){return{start:r,end:s}}}return null}}]);return t}(),ng={errorInterval:30,getSource:function(e){var t=this.tech({IWillNotUseThisInPlugins:!0}),a=t.currentSource_;return e(a)}},rg=function a(e,t){var n=0,r=0,i=Hi.mergeOptions(ng,t);e.ready(function(){e.trigger({type:"usage",name:"hls-error-reload-initialized"})});var s=function(){if(r){e.currentTime(r)}},o=function(t){if(null===t||t===void 0){return}r=e.duration()!==1/0&&e.currentTime()||0;e.one("loadedmetadata",s);e.src(t);e.trigger({type:"usage",name:"hls-error-reload"});e.play()},l=function(){if(Date.now()-n<1e3*i.errorInterval){e.trigger({type:"usage",name:"hls-error-reload-canceled"});return}if(!i.getSource||"function"!=typeof i.getSource){Hi.log.error("ERROR: reloadSourceOnError - The option getSource must be a function!");return}n=Date.now();return i.getSource.call(e,o)},d=function t(){e.off("loadedmetadata",s);e.off("error",l);e.off("dispose",t)};e.on("error",l);e.on("dispose",d);e.reloadSourceOnError=function(t){d();a(e,t)}},ig=function(e){rg(this,e)};Hi.use("*",function(e){return{setSource:function(e,t){t(null,e)},setCurrentTime:function(t){if(e.vhs&&e.currentSource().src===e.vhs.source_.src){e.vhs.setCurrentTime(t)}return t},play:function(){if(e.vhs&&e.currentSource().src===e.vhs.source_.src){e.vhs.setCurrentTime(e.tech_.currentTime())}}}});var sg={PlaylistLoader:eu,Playlist:vu,Decrypter:Rp,AsyncStream:wp,decrypt:Op,utils:Nu,STANDARD_PLAYLIST_SELECTOR:function(){return _m(this.playlists.master,this.systemBandwidth,parseInt(mm(this.tech_.el(),"width"),10),parseInt(mm(this.tech_.el(),"height"),10),this.limitRenditionByPlayerDimensions)},INITIAL_PLAYLIST_SELECTOR:function(){var e=this.playlists.master.playlists.filter(vu.isEnabled);gm(e,function(e,t){return ym(e,t)});var t=e.filter(function(e){return Tc(e.attributes.CODECS).videoCodec});return t[0]||null},comparePlaylistBandwidth:ym,comparePlaylistResolution:hm,xhr:Cu()};["GOAL_BUFFER_LENGTH","MAX_GOAL_BUFFER_LENGTH","GOAL_BUFFER_LENGTH_RATE","BUFFER_LOW_WATER_LINE","MAX_BUFFER_LOW_WATER_LINE","BUFFER_LOW_WATER_LINE_RATE","BANDWIDTH_VARIANCE"].forEach(function(e){Object.defineProperty(sg,e,{get:function(){Hi.log.warn("using Hls."+e+" is UNSAFE be sure you know what you are doing");return em[e]},set:function(t){Hi.log.warn("using Hls."+e+" is UNSAFE be sure you know what you are doing");if("number"!=typeof t||0>t){Hi.log.warn("value of Hls."+e+" must be greater than or equal to 0");return}em[e]=t}})});var og=function(e){if(/^(audio|video|application)\/(x-|vnd\.apple\.)?mpegurl/i.test(e)){return"hls"}if(/^application\/dash\+xml/i.test(e)){return"dash"}return null},lg=function(e,t){for(var a=t.media(),n=-1,r=0;r<e.length;r++){if(e[r].id===a.id){n=r;break}}e.selectedIndex_=n;e.trigger({selectedIndex:n,type:"change"})},dg=function(e,t){t.representations().forEach(function(t){e.addQualityLevel(t)});lg(e,t.playlists)};sg.canPlaySource=function(){return Hi.log.warn("HLS is no longer a tech. Please remove it from your player's techOrder.")};var pg=function(e,t,a){if(!e){return e}var n=void 0,r=void 0;if(a.mimeType_){n=t.mimeType_;r=a.mimeType_}else{var i=Ic(t.mimeType_),s=i.parameters.codecs.split(","),o=void 0,l=void 0;s.forEach(function(e){e=e.trim();if(xc(e)){o=e}else if(Lc(e)){l=e}});n=i.type+"; codecs=\""+l+"\"";r=i.type.replace("video","audio")+"; codecs=\""+o+"\""}var d={},p=t.playlist_;for(var u in e){d[u]={audioContentType:r,videoContentType:n};if(p.contentProtection&&p.contentProtection[u]&&p.contentProtection[u].pssh){d[u].pssh=p.contentProtection[u].pssh}if("string"==typeof e[u]){d[u].url=e[u]}}return Hi.mergeOptions(e,d)},ug=function(e){var t=e.masterPlaylistController_.mainSegmentLoader_,a=e.masterPlaylistController_.audioSegmentLoader_,n=Hi.players[e.tech_.options_.playerId];if(n.eme){var r=pg(e.source_.keySystems,t,a);if(r){n.currentSource().keySystems=r;if(!(11===Hi.browser.IE_VERSION)&&n.eme.initializeMediaKeys){n.eme.initializeMediaKeys()}}}},cg=function(){if(!window.localStorage){return null}var e=window.localStorage.getItem("videojs-vhs");if(!e){return null}try{return JSON.parse(e)}catch(t){return null}},mg=function(e){if(!window.localStorage){return!1}var t=cg();t=t?Hi.mergeOptions(t,e):e;try{window.localStorage.setItem("videojs-vhs",JSON.stringify(t))}catch(t){return!1}return t};sg.supportsNativeHls=function(){var e=t.createElement("video");if(!Hi.getTech("Html5").isSupported()){return!1}return["application/vnd.apple.mpegurl","audio/mpegurl","audio/x-mpegurl","application/x-mpegurl","video/x-mpegurl","video/mpegurl","application/mpegurl"].some(function(t){return /maybe|probably/i.test(e.canPlayType(t))})}();sg.supportsNativeDash=function(){if(!Hi.getTech("Html5").isSupported()){return!1}return /maybe|probably/i.test(t.createElement("video").canPlayType("application/dash+xml"))}();sg.supportsTypeNatively=function(e){if("hls"===e){return sg.supportsNativeHls}if("dash"===e){return sg.supportsNativeDash}return!1};sg.isSupported=function(){return Hi.log.warn("HLS is no longer a tech. Please remove it from your player's techOrder.")};var gg=Hi.getComponent("Component"),yg=function(e){Fp(a,e);function a(e,n,r){Mp(this,a);var i=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this,n,r.hls));if(n.options_&&n.options_.playerId){var s=Hi(n.options_.playerId);if(!s.hasOwnProperty("hls")){Object.defineProperty(s,"hls",{get:function(){Hi.log.warn("player.hls is deprecated. Use player.tech().hls instead.");n.trigger({type:"usage",name:"hls-player-access"});return i},configurable:!0})}s.vhs=i;s.dash=i;i.player_=s}i.tech_=n;i.source_=e;i.stats={};i.setOptions_();if(i.options_.overrideNative&&n.overrideNativeAudioTracks&&n.overrideNativeVideoTracks){n.overrideNativeAudioTracks(!0);n.overrideNativeVideoTracks(!0)}else if(i.options_.overrideNative&&(n.featuresNativeVideoTracks||n.featuresNativeAudioTracks)){throw new Error("Overriding native HLS requires emulated tracks. See https://git.io/vMpjB")}i.on(t,["fullscreenchange","webkitfullscreenchange","mozfullscreenchange","MSFullscreenChange"],function(){var e=t.fullscreenElement||t.webkitFullscreenElement||t.mozFullScreenElement||t.msFullscreenElement;if(e&&e.contains(i.tech_.el())){i.masterPlaylistController_.smoothQualityChange_()}});i.on(i.tech_,"seeking",function(){if(0===this.tech_.currentTime()&&this.tech_.player_.loop()){this.setCurrentTime(0)}});i.on(i.tech_,"error",function(){if(this.masterPlaylistController_){this.masterPlaylistController_.pauseLoading()}});i.on(i.tech_,"play",i.play);return i}Bp(a,[{key:"setOptions_",value:function(){var e=this;this.options_.withCredentials=this.options_.withCredentials||!1;this.options_.handleManifestRedirects=this.options_.handleManifestRedirects||!1;this.options_.limitRenditionByPlayerDimensions=!1===this.options_.limitRenditionByPlayerDimensions?!1:!0;this.options_.smoothQualityChange=this.options_.smoothQualityChange||!1;this.options_.useBandwidthFromLocalStorage="undefined"!=typeof this.source_.useBandwidthFromLocalStorage?this.source_.useBandwidthFromLocalStorage:this.options_.useBandwidthFromLocalStorage||!1;this.options_.customTagParsers=this.options_.customTagParsers||[];this.options_.customTagMappers=this.options_.customTagMappers||[];this.options_.cacheEncryptionKeys=this.options_.cacheEncryptionKeys||!1;if("number"!=typeof this.options_.blacklistDuration){this.options_.blacklistDuration=300}if("number"!=typeof this.options_.bandwidth){if(this.options_.useBandwidthFromLocalStorage){var t=cg();if(t&&t.bandwidth){this.options_.bandwidth=t.bandwidth;this.tech_.trigger({type:"usage",name:"hls-bandwidth-from-local-storage"})}if(t&&t.throughput){this.options_.throughput=t.throughput;this.tech_.trigger({type:"usage",name:"hls-throughput-from-local-storage"})}}}if("number"!=typeof this.options_.bandwidth){this.options_.bandwidth=em.INITIAL_BANDWIDTH}this.options_.enableLowInitialPlaylist=this.options_.enableLowInitialPlaylist&&this.options_.bandwidth===em.INITIAL_BANDWIDTH;["withCredentials","limitRenditionByPlayerDimensions","bandwidth","smoothQualityChange","customTagParsers","customTagMappers","handleManifestRedirects","cacheEncryptionKeys"].forEach(function(t){if("undefined"!=typeof e.source_[t]){e.options_[t]=e.source_[t]}});this.limitRenditionByPlayerDimensions=this.options_.limitRenditionByPlayerDimensions}},{key:"src",value:function(e,t){var a=this;if(!e){return}this.setOptions_();this.options_.url=this.source_.src;this.options_.tech=this.tech_;this.options_.externHls=sg;this.options_.sourceType=og(t);this.options_.seekTo=function(e){a.tech_.setCurrentTime(e);a.setCurrentTime(e)};this.masterPlaylistController_=new Qm(this.options_);this.playbackWatcher_=new ag(Hi.mergeOptions(this.options_,{seekable:function(){return a.seekable()},media:function(){return a.masterPlaylistController_.media()}}));this.masterPlaylistController_.on("error",function(){var e=Hi.players[a.tech_.options_.playerId];e.error(a.masterPlaylistController_.error)});this.masterPlaylistController_.selectPlaylist=this.selectPlaylist?this.selectPlaylist.bind(this):sg.STANDARD_PLAYLIST_SELECTOR.bind(this);this.masterPlaylistController_.selectInitialPlaylist=sg.INITIAL_PLAYLIST_SELECTOR.bind(this);this.playlists=this.masterPlaylistController_.masterPlaylistLoader_;this.mediaSource=this.masterPlaylistController_.mediaSource;Object.defineProperties(this,{selectPlaylist:{get:function(){return this.masterPlaylistController_.selectPlaylist},set:function(e){this.masterPlaylistController_.selectPlaylist=e.bind(this)}},throughput:{get:function(){return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate},set:function(e){this.masterPlaylistController_.mainSegmentLoader_.throughput.rate=e;this.masterPlaylistController_.mainSegmentLoader_.throughput.count=1}},bandwidth:{get:function(){return this.masterPlaylistController_.mainSegmentLoader_.bandwidth},set:function(e){this.masterPlaylistController_.mainSegmentLoader_.bandwidth=e;this.masterPlaylistController_.mainSegmentLoader_.throughput={rate:0,count:0}}},systemBandwidth:{get:function(){var e=1/(this.bandwidth||1),t=void 0;if(0<this.throughput){t=1/this.throughput}else{t=0}var a=Math.floor(1/(e+t));return a},set:function(){Hi.log.error("The \"systemBandwidth\" property is read-only")}}});if(this.options_.bandwidth){this.bandwidth=this.options_.bandwidth}if(this.options_.throughput){this.throughput=this.options_.throughput}Object.defineProperties(this.stats,{bandwidth:{get:function(){return a.bandwidth||0},enumerable:!0},mediaRequests:{get:function(){return a.masterPlaylistController_.mediaRequests_()||0},enumerable:!0},mediaRequestsAborted:{get:function(){return a.masterPlaylistController_.mediaRequestsAborted_()||0},enumerable:!0},mediaRequestsTimedout:{get:function(){return a.masterPlaylistController_.mediaRequestsTimedout_()||0},enumerable:!0},mediaRequestsErrored:{get:function(){return a.masterPlaylistController_.mediaRequestsErrored_()||0},enumerable:!0},mediaTransferDuration:{get:function(){return a.masterPlaylistController_.mediaTransferDuration_()||0},enumerable:!0},mediaBytesTransferred:{get:function(){return a.masterPlaylistController_.mediaBytesTransferred_()||0},enumerable:!0},mediaSecondsLoaded:{get:function(){return a.masterPlaylistController_.mediaSecondsLoaded_()||0},enumerable:!0},buffered:{get:function(){return Zu(a.tech_.buffered())},enumerable:!0},currentTime:{get:function(){return a.tech_.currentTime()},enumerable:!0},currentSource:{get:function(){return a.tech_.currentSource_},enumerable:!0},currentTech:{get:function(){return a.tech_.name_},enumerable:!0},duration:{get:function(){return a.tech_.duration()},enumerable:!0},master:{get:function(){return a.playlists.master},enumerable:!0},playerDimensions:{get:function(){return a.tech_.currentDimensions()},enumerable:!0},seekable:{get:function(){return Zu(a.tech_.seekable())},enumerable:!0},timestamp:{get:function(){return Date.now()},enumerable:!0},videoPlaybackQuality:{get:function(){return a.tech_.getVideoPlaybackQuality()},enumerable:!0}});this.tech_.one("canplay",this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_));this.tech_.on("bandwidthupdate",function(){if(a.options_.useBandwidthFromLocalStorage){mg({bandwidth:a.bandwidth,throughput:Math.round(a.throughput)})}});this.masterPlaylistController_.on("selectedinitialmedia",function(){eg(a);ug(a)});this.on(this.masterPlaylistController_,"progress",function(){this.tech_.trigger("progress")});this.setupQualityLevels_();if(!this.tech_.el()){return}this.tech_.src(Hi.URL.createObjectURL(this.masterPlaylistController_.mediaSource))}},{key:"setupQualityLevels_",value:function(){var e=this,t=Hi.players[this.tech_.options_.playerId];if(!t||!t.qualityLevels||this.qualityLevels_){return}this.qualityLevels_=t.qualityLevels();this.masterPlaylistController_.on("selectedinitialmedia",function(){dg(e.qualityLevels_,e)});this.playlists.on("mediachange",function(){lg(e.qualityLevels_,e.playlists)})}},{key:"play",value:function(){this.masterPlaylistController_.play()}},{key:"setCurrentTime",value:function(e){this.masterPlaylistController_.setCurrentTime(e)}},{key:"duration",value:function(){return this.masterPlaylistController_.duration()}},{key:"seekable",value:function(){return this.masterPlaylistController_.seekable()}},{key:"dispose",value:function(){if(this.playbackWatcher_){this.playbackWatcher_.dispose()}if(this.masterPlaylistController_){this.masterPlaylistController_.dispose()}if(this.qualityLevels_){this.qualityLevels_.dispose()}if(this.player_){delete this.player_.vhs;delete this.player_.dash;delete this.player_.hls}if(this.tech_&&this.tech_.hls){delete this.tech_.hls}jp(a.prototype.__proto__||Object.getPrototypeOf(a.prototype),"dispose",this).call(this)}},{key:"convertToProgramTime",value:function(e,t){return Vu({playlist:this.masterPlaylistController_.media(),time:e,callback:t})}},{key:"seekToProgramTime",value:function(e,t){var a=2<arguments.length&&arguments[2]!==void 0?arguments[2]:!0,n=3<arguments.length&&arguments[3]!==void 0?arguments[3]:2;return Wu({programTime:e,playlist:this.masterPlaylistController_.media(),retryCount:n,pauseAfterSeek:a,seekTo:this.options_.seekTo,tech:this.options_.tech,callback:t})}}]);return a}(gg),hg={name:"videojs-http-streaming",VERSION:"1.12.3",canHandleSource:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{},a=Hi.mergeOptions(Hi.options,t);return hg.canPlayType(e.type,a)},handleSource:function(e,t){var a=2<arguments.length&&arguments[2]!==void 0?arguments[2]:{},n=Hi.mergeOptions(Hi.options,a);t.hls=new yg(e,t,n);t.hls.xhr=Cu();t.hls.src(e.src,e.type);return t.hls},canPlayType:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{},a=Hi.mergeOptions(Hi.options,t),n=a.hls.overrideNative,r=og(e),i=r&&(!sg.supportsTypeNatively(r)||n);return i?"maybe":""}};if("undefined"==typeof Hi.MediaSource||"undefined"==typeof Hi.URL){Hi.MediaSource=Fc;Hi.URL=Hc}if(Fc.supportsNativeMediaSources()){Hi.getTech("Html5").registerSourceHandler(hg,0)}Hi.HlsHandler=yg;Hi.HlsSourceHandler=hg;Hi.Hls=sg;if(!Hi.use){Hi.registerComponent("Hls",sg)}Hi.options.hls=Hi.options.hls||{};if(Hi.registerPlugin){Hi.registerPlugin("reloadSourceOnError",ig)}else{Hi.plugin("reloadSourceOnError",ig)}return Hi});
 //# sourceMappingURL=video-lazy.min.js.map
diff --git a/media/player/videojs/amd/build/video-lazy.min.js.map b/media/player/videojs/amd/build/video-lazy.min.js.map
index 4c6a31d1b42..17f933d1555 100644
--- a/media/player/videojs/amd/build/video-lazy.min.js.map
+++ b/media/player/videojs/amd/build/video-lazy.min.js.map
@@ -1 +1 @@
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* @license\n * Video.js 7.7.6 <http://videojs.com/>\n * Copyright Brightcove, Inc. <https://www.brightcove.com/>\n * Available under Apache License Version 2.0\n * <https://github.com/videojs/video.js/blob/master/LICENSE>\n *\n * Includes vtt.js <https://github.com/mozilla/vtt.js>\n * Available under Apache License Version 2.0\n * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>\n */\n\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('global/window'), require('global/document')) :\n  typeof define === 'function' && define.amd ? define(['./window', './document'], factory) :\n  (global = global || self, global.videojs = factory(global.window, global.document));\n}(this, function (window$3, document) { 'use strict';\n\n  window$3 = window$3 && window$3.hasOwnProperty('default') ? window$3['default'] : window$3;\n  document = document && document.hasOwnProperty('default') ? document['default'] : document;\n\n  var version = \"7.7.6\";\n\n  /**\n   * @file create-logger.js\n   * @module create-logger\n   */\n\n  var history = [];\n  /**\n   * Log messages to the console and history based on the type of message\n   *\n   * @private\n   * @param  {string} type\n   *         The name of the console method to use.\n   *\n   * @param  {Array} args\n   *         The arguments to be passed to the matching console method.\n   */\n\n  var LogByTypeFactory = function LogByTypeFactory(name, log) {\n    return function (type, level, args) {\n      var lvl = log.levels[level];\n      var lvlRegExp = new RegExp(\"^(\" + lvl + \")$\");\n\n      if (type !== 'log') {\n        // Add the type to the front of the message when it's not \"log\".\n        args.unshift(type.toUpperCase() + ':');\n      } // Add console prefix after adding to history.\n\n\n      args.unshift(name + ':'); // Add a clone of the args at this point to history.\n\n      if (history) {\n        history.push([].concat(args)); // only store 1000 history entries\n\n        var splice = history.length - 1000;\n        history.splice(0, splice > 0 ? splice : 0);\n      } // If there's no console then don't try to output messages, but they will\n      // still be stored in history.\n\n\n      if (!window$3.console) {\n        return;\n      } // Was setting these once outside of this function, but containing them\n      // in the function makes it easier to test cases where console doesn't exist\n      // when the module is executed.\n\n\n      var fn = window$3.console[type];\n\n      if (!fn && type === 'debug') {\n        // Certain browsers don't have support for console.debug. For those, we\n        // should default to the closest comparable log.\n        fn = window$3.console.info || window$3.console.log;\n      } // Bail out if there's no console or if this type is not allowed by the\n      // current logging level.\n\n\n      if (!fn || !lvl || !lvlRegExp.test(type)) {\n        return;\n      }\n\n      fn[Array.isArray(args) ? 'apply' : 'call'](window$3.console, args);\n    };\n  };\n\n  function createLogger(name) {\n    // This is the private tracking variable for logging level.\n    var level = 'info'; // the curried logByType bound to the specific log and history\n\n    var logByType;\n    /**\n     * Logs plain debug messages. Similar to `console.log`.\n     *\n     * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)\n     * of our JSDoc template, we cannot properly document this as both a function\n     * and a namespace, so its function signature is documented here.\n     *\n     * #### Arguments\n     * ##### *args\n     * Mixed[]\n     *\n     * Any combination of values that could be passed to `console.log()`.\n     *\n     * #### Return Value\n     *\n     * `undefined`\n     *\n     * @namespace\n     * @param    {Mixed[]} args\n     *           One or more messages or objects that should be logged.\n     */\n\n    var log = function log() {\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      logByType('log', level, args);\n    }; // This is the logByType helper that the logging methods below use\n\n\n    logByType = LogByTypeFactory(name, log);\n    /**\n     * Create a new sublogger which chains the old name to the new name.\n     *\n     * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following:\n     * ```js\n     *  mylogger('foo');\n     *  // > VIDEOJS: player: foo\n     * ```\n     *\n     * @param {string} name\n     *        The name to add call the new logger\n     * @return {Object}\n     */\n\n    log.createLogger = function (subname) {\n      return createLogger(name + ': ' + subname);\n    };\n    /**\n     * Enumeration of available logging levels, where the keys are the level names\n     * and the values are `|`-separated strings containing logging methods allowed\n     * in that logging level. These strings are used to create a regular expression\n     * matching the function name being called.\n     *\n     * Levels provided by Video.js are:\n     *\n     * - `off`: Matches no calls. Any value that can be cast to `false` will have\n     *   this effect. The most restrictive.\n     * - `all`: Matches only Video.js-provided functions (`debug`, `log`,\n     *   `log.warn`, and `log.error`).\n     * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.\n     * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.\n     * - `warn`: Matches `log.warn` and `log.error` calls.\n     * - `error`: Matches only `log.error` calls.\n     *\n     * @type {Object}\n     */\n\n\n    log.levels = {\n      all: 'debug|log|warn|error',\n      off: '',\n      debug: 'debug|log|warn|error',\n      info: 'log|warn|error',\n      warn: 'warn|error',\n      error: 'error',\n      DEFAULT: level\n    };\n    /**\n     * Get or set the current logging level.\n     *\n     * If a string matching a key from {@link module:log.levels} is provided, acts\n     * as a setter.\n     *\n     * @param  {string} [lvl]\n     *         Pass a valid level to set a new logging level.\n     *\n     * @return {string}\n     *         The current logging level.\n     */\n\n    log.level = function (lvl) {\n      if (typeof lvl === 'string') {\n        if (!log.levels.hasOwnProperty(lvl)) {\n          throw new Error(\"\\\"\" + lvl + \"\\\" in not a valid log level\");\n        }\n\n        level = lvl;\n      }\n\n      return level;\n    };\n    /**\n     * Returns an array containing everything that has been logged to the history.\n     *\n     * This array is a shallow clone of the internal history record. However, its\n     * contents are _not_ cloned; so, mutating objects inside this array will\n     * mutate them in history.\n     *\n     * @return {Array}\n     */\n\n\n    log.history = function () {\n      return history ? [].concat(history) : [];\n    };\n    /**\n     * Allows you to filter the history by the given logger name\n     *\n     * @param {string} fname\n     *        The name to filter by\n     *\n     * @return {Array}\n     *         The filtered list to return\n     */\n\n\n    log.history.filter = function (fname) {\n      return (history || []).filter(function (historyItem) {\n        // if the first item in each historyItem includes `fname`, then it's a match\n        return new RegExp(\".*\" + fname + \".*\").test(historyItem[0]);\n      });\n    };\n    /**\n     * Clears the internal history tracking, but does not prevent further history\n     * tracking.\n     */\n\n\n    log.history.clear = function () {\n      if (history) {\n        history.length = 0;\n      }\n    };\n    /**\n     * Disable history tracking if it is currently enabled.\n     */\n\n\n    log.history.disable = function () {\n      if (history !== null) {\n        history.length = 0;\n        history = null;\n      }\n    };\n    /**\n     * Enable history tracking if it is currently disabled.\n     */\n\n\n    log.history.enable = function () {\n      if (history === null) {\n        history = [];\n      }\n    };\n    /**\n     * Logs error messages. Similar to `console.error`.\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as an error\n     */\n\n\n    log.error = function () {\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      return logByType('error', level, args);\n    };\n    /**\n     * Logs warning messages. Similar to `console.warn`.\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as a warning.\n     */\n\n\n    log.warn = function () {\n      for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n        args[_key3] = arguments[_key3];\n      }\n\n      return logByType('warn', level, args);\n    };\n    /**\n     * Logs debug messages. Similar to `console.debug`, but may also act as a comparable\n     * log if `console.debug` is not available\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as debug.\n     */\n\n\n    log.debug = function () {\n      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n        args[_key4] = arguments[_key4];\n      }\n\n      return logByType('debug', level, args);\n    };\n\n    return log;\n  }\n\n  /**\n   * @file log.js\n   * @module log\n   */\n  var log = createLogger('VIDEOJS');\n  var createLogger$1 = log.createLogger;\n\n  function createCommonjsModule(fn, module) {\n  \treturn module = { exports: {} }, fn(module, module.exports), module.exports;\n  }\n\n  var _extends_1 = createCommonjsModule(function (module) {\n    function _extends() {\n      module.exports = _extends = Object.assign || function (target) {\n        for (var i = 1; i < arguments.length; i++) {\n          var source = arguments[i];\n\n          for (var key in source) {\n            if (Object.prototype.hasOwnProperty.call(source, key)) {\n              target[key] = source[key];\n            }\n          }\n        }\n\n        return target;\n      };\n\n      return _extends.apply(this, arguments);\n    }\n\n    module.exports = _extends;\n  });\n\n  /**\n   * @file obj.js\n   * @module obj\n   */\n\n  /**\n   * @callback obj:EachCallback\n   *\n   * @param {Mixed} value\n   *        The current key for the object that is being iterated over.\n   *\n   * @param {string} key\n   *        The current key-value for object that is being iterated over\n   */\n\n  /**\n   * @callback obj:ReduceCallback\n   *\n   * @param {Mixed} accum\n   *        The value that is accumulating over the reduce loop.\n   *\n   * @param {Mixed} value\n   *        The current key for the object that is being iterated over.\n   *\n   * @param {string} key\n   *        The current key-value for object that is being iterated over\n   *\n   * @return {Mixed}\n   *         The new accumulated value.\n   */\n  var toString = Object.prototype.toString;\n  /**\n   * Get the keys of an Object\n   *\n   * @param {Object}\n   *        The Object to get the keys from\n   *\n   * @return {string[]}\n   *         An array of the keys from the object. Returns an empty array if the\n   *         object passed in was invalid or had no keys.\n   *\n   * @private\n   */\n\n  var keys = function keys(object) {\n    return isObject(object) ? Object.keys(object) : [];\n  };\n  /**\n   * Array-like iteration for objects.\n   *\n   * @param {Object} object\n   *        The object to iterate over\n   *\n   * @param {obj:EachCallback} fn\n   *        The callback function which is called for each key in the object.\n   */\n\n\n  function each(object, fn) {\n    keys(object).forEach(function (key) {\n      return fn(object[key], key);\n    });\n  }\n  /**\n   * Array-like reduce for objects.\n   *\n   * @param {Object} object\n   *        The Object that you want to reduce.\n   *\n   * @param {Function} fn\n   *         A callback function which is called for each key in the object. It\n   *         receives the accumulated value and the per-iteration value and key\n   *         as arguments.\n   *\n   * @param {Mixed} [initial = 0]\n   *        Starting value\n   *\n   * @return {Mixed}\n   *         The final accumulated value.\n   */\n\n  function reduce(object, fn, initial) {\n    if (initial === void 0) {\n      initial = 0;\n    }\n\n    return keys(object).reduce(function (accum, key) {\n      return fn(accum, object[key], key);\n    }, initial);\n  }\n  /**\n   * Object.assign-style object shallow merge/extend.\n   *\n   * @param  {Object} target\n   * @param  {Object} ...sources\n   * @return {Object}\n   */\n\n  function assign(target) {\n    for (var _len = arguments.length, sources = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n      sources[_key - 1] = arguments[_key];\n    }\n\n    if (Object.assign) {\n      return _extends_1.apply(void 0, [target].concat(sources));\n    }\n\n    sources.forEach(function (source) {\n      if (!source) {\n        return;\n      }\n\n      each(source, function (value, key) {\n        target[key] = value;\n      });\n    });\n    return target;\n  }\n  /**\n   * Returns whether a value is an object of any kind - including DOM nodes,\n   * arrays, regular expressions, etc. Not functions, though.\n   *\n   * This avoids the gotcha where using `typeof` on a `null` value\n   * results in `'object'`.\n   *\n   * @param  {Object} value\n   * @return {boolean}\n   */\n\n  function isObject(value) {\n    return !!value && typeof value === 'object';\n  }\n  /**\n   * Returns whether an object appears to be a \"plain\" object - that is, a\n   * direct instance of `Object`.\n   *\n   * @param  {Object} value\n   * @return {boolean}\n   */\n\n  function isPlain(value) {\n    return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;\n  }\n\n  /**\n   * @file computed-style.js\n   * @module computed-style\n   */\n  /**\n   * A safe getComputedStyle.\n   *\n   * This is needed because in Firefox, if the player is loaded in an iframe with\n   * `display:none`, then `getComputedStyle` returns `null`, so, we do a\n   * null-check to make sure that the player doesn't break in these cases.\n   *\n   * @function\n   * @param    {Element} el\n   *           The element you want the computed style of\n   *\n   * @param    {string} prop\n   *           The property name you want\n   *\n   * @see      https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n   */\n\n  function computedStyle(el, prop) {\n    if (!el || !prop) {\n      return '';\n    }\n\n    if (typeof window$3.getComputedStyle === 'function') {\n      var computedStyleValue = window$3.getComputedStyle(el);\n      return computedStyleValue ? computedStyleValue.getPropertyValue(prop) || computedStyleValue[prop] : '';\n    }\n\n    return '';\n  }\n\n  /**\n   * @file dom.js\n   * @module dom\n   */\n  /**\n   * Detect if a value is a string with any non-whitespace characters.\n   *\n   * @private\n   * @param  {string} str\n   *         The string to check\n   *\n   * @return {boolean}\n   *         Will be `true` if the string is non-blank, `false` otherwise.\n   *\n   */\n\n  function isNonBlankString(str) {\n    // we use str.trim as it will trim any whitespace characters\n    // from the front or back of non-whitespace characters. aka\n    // Any string that contains non-whitespace characters will\n    // still contain them after `trim` but whitespace only strings\n    // will have a length of 0, failing this check.\n    return typeof str === 'string' && Boolean(str.trim());\n  }\n  /**\n   * Throws an error if the passed string has whitespace. This is used by\n   * class methods to be relatively consistent with the classList API.\n   *\n   * @private\n   * @param  {string} str\n   *         The string to check for whitespace.\n   *\n   * @throws {Error}\n   *         Throws an error if there is whitespace in the string.\n   */\n\n\n  function throwIfWhitespace(str) {\n    // str.indexOf instead of regex because str.indexOf is faster performance wise.\n    if (str.indexOf(' ') >= 0) {\n      throw new Error('class has illegal whitespace characters');\n    }\n  }\n  /**\n   * Produce a regular expression for matching a className within an elements className.\n   *\n   * @private\n   * @param  {string} className\n   *         The className to generate the RegExp for.\n   *\n   * @return {RegExp}\n   *         The RegExp that will check for a specific `className` in an elements\n   *         className.\n   */\n\n\n  function classRegExp(className) {\n    return new RegExp('(^|\\\\s)' + className + '($|\\\\s)');\n  }\n  /**\n   * Whether the current DOM interface appears to be real (i.e. not simulated).\n   *\n   * @return {boolean}\n   *         Will be `true` if the DOM appears to be real, `false` otherwise.\n   */\n\n\n  function isReal() {\n    // Both document and window will never be undefined thanks to `global`.\n    return document === window$3.document;\n  }\n  /**\n   * Determines, via duck typing, whether or not a value is a DOM element.\n   *\n   * @param  {Mixed} value\n   *         The value to check.\n   *\n   * @return {boolean}\n   *         Will be `true` if the value is a DOM element, `false` otherwise.\n   */\n\n  function isEl(value) {\n    return isObject(value) && value.nodeType === 1;\n  }\n  /**\n   * Determines if the current DOM is embedded in an iframe.\n   *\n   * @return {boolean}\n   *         Will be `true` if the DOM is embedded in an iframe, `false`\n   *         otherwise.\n   */\n\n  function isInFrame() {\n    // We need a try/catch here because Safari will throw errors when attempting\n    // to get either `parent` or `self`\n    try {\n      return window$3.parent !== window$3.self;\n    } catch (x) {\n      return true;\n    }\n  }\n  /**\n   * Creates functions to query the DOM using a given method.\n   *\n   * @private\n   * @param   {string} method\n   *          The method to create the query with.\n   *\n   * @return  {Function}\n   *          The query method\n   */\n\n  function createQuerier(method) {\n    return function (selector, context) {\n      if (!isNonBlankString(selector)) {\n        return document[method](null);\n      }\n\n      if (isNonBlankString(context)) {\n        context = document.querySelector(context);\n      }\n\n      var ctx = isEl(context) ? context : document;\n      return ctx[method] && ctx[method](selector);\n    };\n  }\n  /**\n   * Creates an element and applies properties, attributes, and inserts content.\n   *\n   * @param  {string} [tagName='div']\n   *         Name of tag to be created.\n   *\n   * @param  {Object} [properties={}]\n   *         Element properties to be applied.\n   *\n   * @param  {Object} [attributes={}]\n   *         Element attributes to be applied.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor object.\n   *\n   * @return {Element}\n   *         The element that was created.\n   */\n\n\n  function createEl(tagName, properties, attributes, content) {\n    if (tagName === void 0) {\n      tagName = 'div';\n    }\n\n    if (properties === void 0) {\n      properties = {};\n    }\n\n    if (attributes === void 0) {\n      attributes = {};\n    }\n\n    var el = document.createElement(tagName);\n    Object.getOwnPropertyNames(properties).forEach(function (propName) {\n      var val = properties[propName]; // See #2176\n      // We originally were accepting both properties and attributes in the\n      // same object, but that doesn't work so well.\n\n      if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {\n        log.warn('Setting attributes in the second argument of createEl()\\n' + 'has been deprecated. Use the third argument instead.\\n' + (\"createEl(type, properties, attributes). Attempting to set \" + propName + \" to \" + val + \".\"));\n        el.setAttribute(propName, val); // Handle textContent since it's not supported everywhere and we have a\n        // method for it.\n      } else if (propName === 'textContent') {\n        textContent(el, val);\n      } else if (el[propName] !== val) {\n        el[propName] = val;\n      }\n    });\n    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {\n      el.setAttribute(attrName, attributes[attrName]);\n    });\n\n    if (content) {\n      appendContent(el, content);\n    }\n\n    return el;\n  }\n  /**\n   * Injects text into an element, replacing any existing contents entirely.\n   *\n   * @param  {Element} el\n   *         The element to add text content into\n   *\n   * @param  {string} text\n   *         The text content to add.\n   *\n   * @return {Element}\n   *         The element with added text content.\n   */\n\n  function textContent(el, text) {\n    if (typeof el.textContent === 'undefined') {\n      el.innerText = text;\n    } else {\n      el.textContent = text;\n    }\n\n    return el;\n  }\n  /**\n   * Insert an element as the first child node of another\n   *\n   * @param {Element} child\n   *        Element to insert\n   *\n   * @param {Element} parent\n   *        Element to insert child into\n   */\n\n  function prependTo(child, parent) {\n    if (parent.firstChild) {\n      parent.insertBefore(child, parent.firstChild);\n    } else {\n      parent.appendChild(child);\n    }\n  }\n  /**\n   * Check if an element has a class name.\n   *\n   * @param  {Element} element\n   *         Element to check\n   *\n   * @param  {string} classToCheck\n   *         Class name to check for\n   *\n   * @return {boolean}\n   *         Will be `true` if the element has a class, `false` otherwise.\n   *\n   * @throws {Error}\n   *         Throws an error if `classToCheck` has white space.\n   */\n\n  function hasClass(element, classToCheck) {\n    throwIfWhitespace(classToCheck);\n\n    if (element.classList) {\n      return element.classList.contains(classToCheck);\n    }\n\n    return classRegExp(classToCheck).test(element.className);\n  }\n  /**\n   * Add a class name to an element.\n   *\n   * @param  {Element} element\n   *         Element to add class name to.\n   *\n   * @param  {string} classToAdd\n   *         Class name to add.\n   *\n   * @return {Element}\n   *         The DOM element with the added class name.\n   */\n\n  function addClass(element, classToAdd) {\n    if (element.classList) {\n      element.classList.add(classToAdd); // Don't need to `throwIfWhitespace` here because `hasElClass` will do it\n      // in the case of classList not being supported.\n    } else if (!hasClass(element, classToAdd)) {\n      element.className = (element.className + ' ' + classToAdd).trim();\n    }\n\n    return element;\n  }\n  /**\n   * Remove a class name from an element.\n   *\n   * @param  {Element} element\n   *         Element to remove a class name from.\n   *\n   * @param  {string} classToRemove\n   *         Class name to remove\n   *\n   * @return {Element}\n   *         The DOM element with class name removed.\n   */\n\n  function removeClass(element, classToRemove) {\n    if (element.classList) {\n      element.classList.remove(classToRemove);\n    } else {\n      throwIfWhitespace(classToRemove);\n      element.className = element.className.split(/\\s+/).filter(function (c) {\n        return c !== classToRemove;\n      }).join(' ');\n    }\n\n    return element;\n  }\n  /**\n   * The callback definition for toggleClass.\n   *\n   * @callback module:dom~PredicateCallback\n   * @param    {Element} element\n   *           The DOM element of the Component.\n   *\n   * @param    {string} classToToggle\n   *           The `className` that wants to be toggled\n   *\n   * @return   {boolean|undefined}\n   *           If `true` is returned, the `classToToggle` will be added to the\n   *           `element`. If `false`, the `classToToggle` will be removed from\n   *           the `element`. If `undefined`, the callback will be ignored.\n   */\n\n  /**\n   * Adds or removes a class name to/from an element depending on an optional\n   * condition or the presence/absence of the class name.\n   *\n   * @param  {Element} element\n   *         The element to toggle a class name on.\n   *\n   * @param  {string} classToToggle\n   *         The class that should be toggled.\n   *\n   * @param  {boolean|module:dom~PredicateCallback} [predicate]\n   *         See the return value for {@link module:dom~PredicateCallback}\n   *\n   * @return {Element}\n   *         The element with a class that has been toggled.\n   */\n\n  function toggleClass(element, classToToggle, predicate) {\n    // This CANNOT use `classList` internally because IE11 does not support the\n    // second parameter to the `classList.toggle()` method! Which is fine because\n    // `classList` will be used by the add/remove functions.\n    var has = hasClass(element, classToToggle);\n\n    if (typeof predicate === 'function') {\n      predicate = predicate(element, classToToggle);\n    }\n\n    if (typeof predicate !== 'boolean') {\n      predicate = !has;\n    } // If the necessary class operation matches the current state of the\n    // element, no action is required.\n\n\n    if (predicate === has) {\n      return;\n    }\n\n    if (predicate) {\n      addClass(element, classToToggle);\n    } else {\n      removeClass(element, classToToggle);\n    }\n\n    return element;\n  }\n  /**\n   * Apply attributes to an HTML element.\n   *\n   * @param {Element} el\n   *        Element to add attributes to.\n   *\n   * @param {Object} [attributes]\n   *        Attributes to be applied.\n   */\n\n  function setAttributes(el, attributes) {\n    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {\n      var attrValue = attributes[attrName];\n\n      if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {\n        el.removeAttribute(attrName);\n      } else {\n        el.setAttribute(attrName, attrValue === true ? '' : attrValue);\n      }\n    });\n  }\n  /**\n   * Get an element's attribute values, as defined on the HTML tag.\n   *\n   * Attributes are not the same as properties. They're defined on the tag\n   * or with setAttribute.\n   *\n   * @param  {Element} tag\n   *         Element from which to get tag attributes.\n   *\n   * @return {Object}\n   *         All attributes of the element. Boolean attributes will be `true` or\n   *         `false`, others will be strings.\n   */\n\n  function getAttributes(tag) {\n    var obj = {}; // known boolean attributes\n    // we can check for matching boolean properties, but not all browsers\n    // and not all tags know about these attributes, so, we still want to check them manually\n\n    var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';\n\n    if (tag && tag.attributes && tag.attributes.length > 0) {\n      var attrs = tag.attributes;\n\n      for (var i = attrs.length - 1; i >= 0; i--) {\n        var attrName = attrs[i].name;\n        var attrVal = attrs[i].value; // check for known booleans\n        // the matching element property will return a value for typeof\n\n        if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {\n          // the value of an included boolean attribute is typically an empty\n          // string ('') which would equal false if we just check for a false value.\n          // we also don't want support bad code like autoplay='false'\n          attrVal = attrVal !== null ? true : false;\n        }\n\n        obj[attrName] = attrVal;\n      }\n    }\n\n    return obj;\n  }\n  /**\n   * Get the value of an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to get the value of.\n   *\n   * @return {string}\n   *         The value of the attribute.\n   */\n\n  function getAttribute(el, attribute) {\n    return el.getAttribute(attribute);\n  }\n  /**\n   * Set the value of an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to set.\n   *\n   * @param {string} value\n   *        Value to set the attribute to.\n   */\n\n  function setAttribute(el, attribute, value) {\n    el.setAttribute(attribute, value);\n  }\n  /**\n   * Remove an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to remove.\n   */\n\n  function removeAttribute(el, attribute) {\n    el.removeAttribute(attribute);\n  }\n  /**\n   * Attempt to block the ability to select text.\n   */\n\n  function blockTextSelection() {\n    document.body.focus();\n\n    document.onselectstart = function () {\n      return false;\n    };\n  }\n  /**\n   * Turn off text selection blocking.\n   */\n\n  function unblockTextSelection() {\n    document.onselectstart = function () {\n      return true;\n    };\n  }\n  /**\n   * Identical to the native `getBoundingClientRect` function, but ensures that\n   * the method is supported at all (it is in all browsers we claim to support)\n   * and that the element is in the DOM before continuing.\n   *\n   * This wrapper function also shims properties which are not provided by some\n   * older browsers (namely, IE8).\n   *\n   * Additionally, some browsers do not support adding properties to a\n   * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard\n   * properties (except `x` and `y` which are not widely supported). This helps\n   * avoid implementations where keys are non-enumerable.\n   *\n   * @param  {Element} el\n   *         Element whose `ClientRect` we want to calculate.\n   *\n   * @return {Object|undefined}\n   *         Always returns a plain object - or `undefined` if it cannot.\n   */\n\n  function getBoundingClientRect(el) {\n    if (el && el.getBoundingClientRect && el.parentNode) {\n      var rect = el.getBoundingClientRect();\n      var result = {};\n      ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {\n        if (rect[k] !== undefined) {\n          result[k] = rect[k];\n        }\n      });\n\n      if (!result.height) {\n        result.height = parseFloat(computedStyle(el, 'height'));\n      }\n\n      if (!result.width) {\n        result.width = parseFloat(computedStyle(el, 'width'));\n      }\n\n      return result;\n    }\n  }\n  /**\n   * Represents the position of a DOM element on the page.\n   *\n   * @typedef  {Object} module:dom~Position\n   *\n   * @property {number} left\n   *           Pixels to the left.\n   *\n   * @property {number} top\n   *           Pixels from the top.\n   */\n\n  /**\n   * Get the position of an element in the DOM.\n   *\n   * Uses `getBoundingClientRect` technique from John Resig.\n   *\n   * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/\n   *\n   * @param  {Element} el\n   *         Element from which to get offset.\n   *\n   * @return {module:dom~Position}\n   *         The position of the element that was passed in.\n   */\n\n  function findPosition(el) {\n    var box;\n\n    if (el.getBoundingClientRect && el.parentNode) {\n      box = el.getBoundingClientRect();\n    }\n\n    if (!box) {\n      return {\n        left: 0,\n        top: 0\n      };\n    }\n\n    var docEl = document.documentElement;\n    var body = document.body;\n    var clientLeft = docEl.clientLeft || body.clientLeft || 0;\n    var scrollLeft = window$3.pageXOffset || body.scrollLeft;\n    var left = box.left + scrollLeft - clientLeft;\n    var clientTop = docEl.clientTop || body.clientTop || 0;\n    var scrollTop = window$3.pageYOffset || body.scrollTop;\n    var top = box.top + scrollTop - clientTop; // Android sometimes returns slightly off decimal values, so need to round\n\n    return {\n      left: Math.round(left),\n      top: Math.round(top)\n    };\n  }\n  /**\n   * Represents x and y coordinates for a DOM element or mouse pointer.\n   *\n   * @typedef  {Object} module:dom~Coordinates\n   *\n   * @property {number} x\n   *           x coordinate in pixels\n   *\n   * @property {number} y\n   *           y coordinate in pixels\n   */\n\n  /**\n   * Get the pointer position within an element.\n   *\n   * The base on the coordinates are the bottom left of the element.\n   *\n   * @param  {Element} el\n   *         Element on which to get the pointer position on.\n   *\n   * @param  {EventTarget~Event} event\n   *         Event object.\n   *\n   * @return {module:dom~Coordinates}\n   *         A coordinates object corresponding to the mouse position.\n   *\n   */\n\n  function getPointerPosition(el, event) {\n    var position = {};\n    var box = findPosition(el);\n    var boxW = el.offsetWidth;\n    var boxH = el.offsetHeight;\n    var boxY = box.top;\n    var boxX = box.left;\n    var pageY = event.pageY;\n    var pageX = event.pageX;\n\n    if (event.changedTouches) {\n      pageX = event.changedTouches[0].pageX;\n      pageY = event.changedTouches[0].pageY;\n    }\n\n    position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));\n    position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));\n    return position;\n  }\n  /**\n   * Determines, via duck typing, whether or not a value is a text node.\n   *\n   * @param  {Mixed} value\n   *         Check if this value is a text node.\n   *\n   * @return {boolean}\n   *         Will be `true` if the value is a text node, `false` otherwise.\n   */\n\n  function isTextNode(value) {\n    return isObject(value) && value.nodeType === 3;\n  }\n  /**\n   * Empties the contents of an element.\n   *\n   * @param  {Element} el\n   *         The element to empty children from\n   *\n   * @return {Element}\n   *         The element with no children\n   */\n\n  function emptyEl(el) {\n    while (el.firstChild) {\n      el.removeChild(el.firstChild);\n    }\n\n    return el;\n  }\n  /**\n   * This is a mixed value that describes content to be injected into the DOM\n   * via some method. It can be of the following types:\n   *\n   * Type       | Description\n   * -----------|-------------\n   * `string`   | The value will be normalized into a text node.\n   * `Element`  | The value will be accepted as-is.\n   * `TextNode` | The value will be accepted as-is.\n   * `Array`    | A one-dimensional array of strings, elements, text nodes, or functions. These functions should return a string, element, or text node (any other return value, like an array, will be ignored).\n   * `Function` | A function, which is expected to return a string, element, text node, or array - any of the other possible values described above. This means that a content descriptor could be a function that returns an array of functions, but those second-level functions must return strings, elements, or text nodes.\n   *\n   * @typedef {string|Element|TextNode|Array|Function} module:dom~ContentDescriptor\n   */\n\n  /**\n   * Normalizes content for eventual insertion into the DOM.\n   *\n   * This allows a wide range of content definition methods, but helps protect\n   * from falling into the trap of simply writing to `innerHTML`, which could\n   * be an XSS concern.\n   *\n   * The content for an element can be passed in multiple types and\n   * combinations, whose behavior is as follows:\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Array}\n   *         All of the content that was passed in, normalized to an array of\n   *         elements or text nodes.\n   */\n\n  function normalizeContent(content) {\n    // First, invoke content if it is a function. If it produces an array,\n    // that needs to happen before normalization.\n    if (typeof content === 'function') {\n      content = content();\n    } // Next up, normalize to an array, so one or many items can be normalized,\n    // filtered, and returned.\n\n\n    return (Array.isArray(content) ? content : [content]).map(function (value) {\n      // First, invoke value if it is a function to produce a new value,\n      // which will be subsequently normalized to a Node of some kind.\n      if (typeof value === 'function') {\n        value = value();\n      }\n\n      if (isEl(value) || isTextNode(value)) {\n        return value;\n      }\n\n      if (typeof value === 'string' && /\\S/.test(value)) {\n        return document.createTextNode(value);\n      }\n    }).filter(function (value) {\n      return value;\n    });\n  }\n  /**\n   * Normalizes and appends content to an element.\n   *\n   * @param  {Element} el\n   *         Element to append normalized content to.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Element}\n   *         The element with appended normalized content.\n   */\n\n  function appendContent(el, content) {\n    normalizeContent(content).forEach(function (node) {\n      return el.appendChild(node);\n    });\n    return el;\n  }\n  /**\n   * Normalizes and inserts content into an element; this is identical to\n   * `appendContent()`, except it empties the element first.\n   *\n   * @param {Element} el\n   *        Element to insert normalized content into.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Element}\n   *         The element with inserted normalized content.\n   */\n\n  function insertContent(el, content) {\n    return appendContent(emptyEl(el), content);\n  }\n  /**\n   * Check if an event was a single left click.\n   *\n   * @param  {EventTarget~Event} event\n   *         Event object.\n   *\n   * @return {boolean}\n   *         Will be `true` if a single left click, `false` otherwise.\n   */\n\n  function isSingleLeftClick(event) {\n    // Note: if you create something draggable, be sure to\n    // call it on both `mousedown` and `mousemove` event,\n    // otherwise `mousedown` should be enough for a button\n    if (event.button === undefined && event.buttons === undefined) {\n      // Why do we need `buttons` ?\n      // Because, middle mouse sometimes have this:\n      // e.button === 0 and e.buttons === 4\n      // Furthermore, we want to prevent combination click, something like\n      // HOLD middlemouse then left click, that would be\n      // e.button === 0, e.buttons === 5\n      // just `button` is not gonna work\n      // Alright, then what this block does ?\n      // this is for chrome `simulate mobile devices`\n      // I want to support this as well\n      return true;\n    }\n\n    if (event.button === 0 && event.buttons === undefined) {\n      // Touch screen, sometimes on some specific device, `buttons`\n      // doesn't have anything (safari on ios, blackberry...)\n      return true;\n    } // `mouseup` event on a single left click has\n    // `button` and `buttons` equal to 0\n\n\n    if (event.type === 'mouseup' && event.button === 0 && event.buttons === 0) {\n      return true;\n    }\n\n    if (event.button !== 0 || event.buttons !== 1) {\n      // This is the reason we have those if else block above\n      // if any special case we can catch and let it slide\n      // we do it above, when get to here, this definitely\n      // is-not-left-click\n      return false;\n    }\n\n    return true;\n  }\n  /**\n   * Finds a single DOM element matching `selector` within the optional\n   * `context` of another DOM element (defaulting to `document`).\n   *\n   * @param  {string} selector\n   *         A valid CSS selector, which will be passed to `querySelector`.\n   *\n   * @param  {Element|String} [context=document]\n   *         A DOM element within which to query. Can also be a selector\n   *         string in which case the first matching element will be used\n   *         as context. If missing (or no element matches selector), falls\n   *         back to `document`.\n   *\n   * @return {Element|null}\n   *         The element that was found or null.\n   */\n\n  var $ = createQuerier('querySelector');\n  /**\n   * Finds a all DOM elements matching `selector` within the optional\n   * `context` of another DOM element (defaulting to `document`).\n   *\n   * @param  {string} selector\n   *         A valid CSS selector, which will be passed to `querySelectorAll`.\n   *\n   * @param  {Element|String} [context=document]\n   *         A DOM element within which to query. Can also be a selector\n   *         string in which case the first matching element will be used\n   *         as context. If missing (or no element matches selector), falls\n   *         back to `document`.\n   *\n   * @return {NodeList}\n   *         A element list of elements that were found. Will be empty if none\n   *         were found.\n   *\n   */\n\n  var $$ = createQuerier('querySelectorAll');\n\n  var Dom = /*#__PURE__*/Object.freeze({\n    isReal: isReal,\n    isEl: isEl,\n    isInFrame: isInFrame,\n    createEl: createEl,\n    textContent: textContent,\n    prependTo: prependTo,\n    hasClass: hasClass,\n    addClass: addClass,\n    removeClass: removeClass,\n    toggleClass: toggleClass,\n    setAttributes: setAttributes,\n    getAttributes: getAttributes,\n    getAttribute: getAttribute,\n    setAttribute: setAttribute,\n    removeAttribute: removeAttribute,\n    blockTextSelection: blockTextSelection,\n    unblockTextSelection: unblockTextSelection,\n    getBoundingClientRect: getBoundingClientRect,\n    findPosition: findPosition,\n    getPointerPosition: getPointerPosition,\n    isTextNode: isTextNode,\n    emptyEl: emptyEl,\n    normalizeContent: normalizeContent,\n    appendContent: appendContent,\n    insertContent: insertContent,\n    isSingleLeftClick: isSingleLeftClick,\n    $: $,\n    $$: $$\n  });\n\n  /**\n   * @file setup.js - Functions for setting up a player without\n   * user interaction based on the data-setup `attribute` of the video tag.\n   *\n   * @module setup\n   */\n  var _windowLoaded = false;\n  var videojs;\n  /**\n   * Set up any tags that have a data-setup `attribute` when the player is started.\n   */\n\n  var autoSetup = function autoSetup() {\n    // Protect against breakage in non-browser environments and check global autoSetup option.\n    if (!isReal() || videojs.options.autoSetup === false) {\n      return;\n    }\n\n    var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));\n    var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));\n    var divs = Array.prototype.slice.call(document.getElementsByTagName('video-js'));\n    var mediaEls = vids.concat(audios, divs); // Check if any media elements exist\n\n    if (mediaEls && mediaEls.length > 0) {\n      for (var i = 0, e = mediaEls.length; i < e; i++) {\n        var mediaEl = mediaEls[i]; // Check if element exists, has getAttribute func.\n\n        if (mediaEl && mediaEl.getAttribute) {\n          // Make sure this player hasn't already been set up.\n          if (mediaEl.player === undefined) {\n            var options = mediaEl.getAttribute('data-setup'); // Check if data-setup attr exists.\n            // We only auto-setup if they've added the data-setup attr.\n\n            if (options !== null) {\n              // Create new video.js instance.\n              videojs(mediaEl);\n            }\n          } // If getAttribute isn't defined, we need to wait for the DOM.\n\n        } else {\n          autoSetupTimeout(1);\n          break;\n        }\n      } // No videos were found, so keep looping unless page is finished loading.\n\n    } else if (!_windowLoaded) {\n      autoSetupTimeout(1);\n    }\n  };\n  /**\n   * Wait until the page is loaded before running autoSetup. This will be called in\n   * autoSetup if `hasLoaded` returns false.\n   *\n   * @param {number} wait\n   *        How long to wait in ms\n   *\n   * @param {module:videojs} [vjs]\n   *        The videojs library function\n   */\n\n\n  function autoSetupTimeout(wait, vjs) {\n    if (vjs) {\n      videojs = vjs;\n    }\n\n    window$3.setTimeout(autoSetup, wait);\n  }\n  /**\n   * Used to set the internal tracking of window loaded state to true.\n   *\n   * @private\n   */\n\n\n  function setWindowLoaded() {\n    _windowLoaded = true;\n    window$3.removeEventListener('load', setWindowLoaded);\n  }\n\n  if (isReal()) {\n    if (document.readyState === 'complete') {\n      setWindowLoaded();\n    } else {\n      /**\n       * Listen for the load event on window, and set _windowLoaded to true.\n       *\n       * We use a standard event listener here to avoid incrementing the GUID\n       * before any players are created.\n       *\n       * @listens load\n       */\n      window$3.addEventListener('load', setWindowLoaded);\n    }\n  }\n\n  /**\n   * @file stylesheet.js\n   * @module stylesheet\n   */\n  /**\n   * Create a DOM syle element given a className for it.\n   *\n   * @param {string} className\n   *        The className to add to the created style element.\n   *\n   * @return {Element}\n   *         The element that was created.\n   */\n\n  var createStyleElement = function createStyleElement(className) {\n    var style = document.createElement('style');\n    style.className = className;\n    return style;\n  };\n  /**\n   * Add text to a DOM element.\n   *\n   * @param {Element} el\n   *        The Element to add text content to.\n   *\n   * @param {string} content\n   *        The text to add to the element.\n   */\n\n  var setTextContent = function setTextContent(el, content) {\n    if (el.styleSheet) {\n      el.styleSheet.cssText = content;\n    } else {\n      el.textContent = content;\n    }\n  };\n\n  /**\n   * @file guid.js\n   * @module guid\n   */\n  // Default value for GUIDs. This allows us to reset the GUID counter in tests.\n  //\n  // The initial GUID is 3 because some users have come to rely on the first\n  // default player ID ending up as `vjs_video_3`.\n  //\n  // See: https://github.com/videojs/video.js/pull/6216\n  var _initialGuid = 3;\n  /**\n   * Unique ID for an element or function\n   *\n   * @type {Number}\n   */\n\n  var _guid = _initialGuid;\n  /**\n   * Get a unique auto-incrementing ID by number that has not been returned before.\n   *\n   * @return {number}\n   *         A new unique ID.\n   */\n\n  function newGUID() {\n    return _guid++;\n  }\n\n  /**\n   * @file dom-data.js\n   * @module dom-data\n   */\n  var FakeWeakMap;\n\n  if (!window$3.WeakMap) {\n    FakeWeakMap = /*#__PURE__*/function () {\n      function FakeWeakMap() {\n        this.vdata = 'vdata' + Math.floor(window$3.performance && window$3.performance.now() || Date.now());\n        this.data = {};\n      }\n\n      var _proto = FakeWeakMap.prototype;\n\n      _proto.set = function set(key, value) {\n        var access = key[this.vdata] || newGUID();\n\n        if (!key[this.vdata]) {\n          key[this.vdata] = access;\n        }\n\n        this.data[access] = value;\n        return this;\n      };\n\n      _proto.get = function get(key) {\n        var access = key[this.vdata]; // we have data, return it\n\n        if (access) {\n          return this.data[access];\n        } // we don't have data, return nothing.\n        // return undefined explicitly as that's the contract for this method\n\n\n        log('We have no data for this element', key);\n        return undefined;\n      };\n\n      _proto.has = function has(key) {\n        var access = key[this.vdata];\n        return access in this.data;\n      };\n\n      _proto[\"delete\"] = function _delete(key) {\n        var access = key[this.vdata];\n\n        if (access) {\n          delete this.data[access];\n          delete key[this.vdata];\n        }\n      };\n\n      return FakeWeakMap;\n    }();\n  }\n  /**\n   * Element Data Store.\n   *\n   * Allows for binding data to an element without putting it directly on the\n   * element. Ex. Event listeners are stored here.\n   * (also from jsninja.com, slightly modified and updated for closure compiler)\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  var DomData = window$3.WeakMap ? new WeakMap() : new FakeWeakMap();\n\n  /**\n   * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)\n   * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)\n   * This should work very similarly to jQuery's events, however it's based off the book version which isn't as\n   * robust as jquery's, so there's probably some differences.\n   *\n   * @file events.js\n   * @module events\n   */\n  /**\n   * Clean up the listener cache and dispatchers\n   *\n   * @param {Element|Object} elem\n   *        Element to clean up\n   *\n   * @param {string} type\n   *        Type of event to clean up\n   */\n\n  function _cleanUpEvents(elem, type) {\n    if (!DomData.has(elem)) {\n      return;\n    }\n\n    var data = DomData.get(elem); // Remove the events of a particular type if there are none left\n\n    if (data.handlers[type].length === 0) {\n      delete data.handlers[type]; // data.handlers[type] = null;\n      // Setting to null was causing an error with data.handlers\n      // Remove the meta-handler from the element\n\n      if (elem.removeEventListener) {\n        elem.removeEventListener(type, data.dispatcher, false);\n      } else if (elem.detachEvent) {\n        elem.detachEvent('on' + type, data.dispatcher);\n      }\n    } // Remove the events object if there are no types left\n\n\n    if (Object.getOwnPropertyNames(data.handlers).length <= 0) {\n      delete data.handlers;\n      delete data.dispatcher;\n      delete data.disabled;\n    } // Finally remove the element data if there is no data left\n\n\n    if (Object.getOwnPropertyNames(data).length === 0) {\n      DomData[\"delete\"](elem);\n    }\n  }\n  /**\n   * Loops through an array of event types and calls the requested method for each type.\n   *\n   * @param {Function} fn\n   *        The event method we want to use.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind listeners to\n   *\n   * @param {string} type\n   *        Type of event to bind to.\n   *\n   * @param {EventTarget~EventListener} callback\n   *        Event listener.\n   */\n\n\n  function _handleMultipleEvents(fn, elem, types, callback) {\n    types.forEach(function (type) {\n      // Call the event method for each one of the types\n      fn(elem, type, callback);\n    });\n  }\n  /**\n   * Fix a native event to have standard property values\n   *\n   * @param {Object} event\n   *        Event object to fix.\n   *\n   * @return {Object}\n   *         Fixed event object.\n   */\n\n\n  function fixEvent(event) {\n    if (event.fixed_) {\n      return event;\n    }\n\n    function returnTrue() {\n      return true;\n    }\n\n    function returnFalse() {\n      return false;\n    } // Test if fixing up is needed\n    // Used to check if !event.stopPropagation instead of isPropagationStopped\n    // But native events return true for stopPropagation, but don't have\n    // other expected methods like isPropagationStopped. Seems to be a problem\n    // with the Javascript Ninja code. So we're just overriding all events now.\n\n\n    if (!event || !event.isPropagationStopped) {\n      var old = event || window$3.event;\n      event = {}; // Clone the old object so that we can modify the values event = {};\n      // IE8 Doesn't like when you mess with native event properties\n      // Firefox returns false for event.hasOwnProperty('type') and other props\n      //  which makes copying more difficult.\n      // TODO: Probably best to create a whitelist of event props\n\n      for (var key in old) {\n        // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y\n        // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation\n        // and webkitMovementX/Y\n        if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {\n          // Chrome 32+ warns if you try to copy deprecated returnValue, but\n          // we still want to if preventDefault isn't supported (IE8).\n          if (!(key === 'returnValue' && old.preventDefault)) {\n            event[key] = old[key];\n          }\n        }\n      } // The event occurred on this element\n\n\n      if (!event.target) {\n        event.target = event.srcElement || document;\n      } // Handle which other element the event is related to\n\n\n      if (!event.relatedTarget) {\n        event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;\n      } // Stop the default browser action\n\n\n      event.preventDefault = function () {\n        if (old.preventDefault) {\n          old.preventDefault();\n        }\n\n        event.returnValue = false;\n        old.returnValue = false;\n        event.defaultPrevented = true;\n      };\n\n      event.defaultPrevented = false; // Stop the event from bubbling\n\n      event.stopPropagation = function () {\n        if (old.stopPropagation) {\n          old.stopPropagation();\n        }\n\n        event.cancelBubble = true;\n        old.cancelBubble = true;\n        event.isPropagationStopped = returnTrue;\n      };\n\n      event.isPropagationStopped = returnFalse; // Stop the event from bubbling and executing other handlers\n\n      event.stopImmediatePropagation = function () {\n        if (old.stopImmediatePropagation) {\n          old.stopImmediatePropagation();\n        }\n\n        event.isImmediatePropagationStopped = returnTrue;\n        event.stopPropagation();\n      };\n\n      event.isImmediatePropagationStopped = returnFalse; // Handle mouse position\n\n      if (event.clientX !== null && event.clientX !== undefined) {\n        var doc = document.documentElement;\n        var body = document.body;\n        event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);\n        event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);\n      } // Handle key presses\n\n\n      event.which = event.charCode || event.keyCode; // Fix button for mouse clicks:\n      // 0 == left; 1 == middle; 2 == right\n\n      if (event.button !== null && event.button !== undefined) {\n        // The following is disabled because it does not pass videojs-standard\n        // and... yikes.\n\n        /* eslint-disable */\n        event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;\n        /* eslint-enable */\n      }\n    }\n\n    event.fixed_ = true; // Returns fixed-up instance\n\n    return event;\n  }\n  /**\n   * Whether passive event listeners are supported\n   */\n\n  var _supportsPassive;\n\n  var supportsPassive = function supportsPassive() {\n    if (typeof _supportsPassive !== 'boolean') {\n      _supportsPassive = false;\n\n      try {\n        var opts = Object.defineProperty({}, 'passive', {\n          get: function get() {\n            _supportsPassive = true;\n          }\n        });\n        window$3.addEventListener('test', null, opts);\n        window$3.removeEventListener('test', null, opts);\n      } catch (e) {// disregard\n      }\n    }\n\n    return _supportsPassive;\n  };\n  /**\n   * Touch events Chrome expects to be passive\n   */\n\n\n  var passiveEvents = ['touchstart', 'touchmove'];\n  /**\n   * Add an event listener to element\n   * It stores the handler function in a separate cache object\n   * and adds a generic handler to the element's event,\n   * along with a unique id (guid) to the element.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind listeners to\n   *\n   * @param {string|string[]} type\n   *        Type of event to bind to.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        Event listener.\n   */\n\n  function on(elem, type, fn) {\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(on, elem, type, fn);\n    }\n\n    if (!DomData.has(elem)) {\n      DomData.set(elem, {});\n    }\n\n    var data = DomData.get(elem); // We need a place to store all our handler data\n\n    if (!data.handlers) {\n      data.handlers = {};\n    }\n\n    if (!data.handlers[type]) {\n      data.handlers[type] = [];\n    }\n\n    if (!fn.guid) {\n      fn.guid = newGUID();\n    }\n\n    data.handlers[type].push(fn);\n\n    if (!data.dispatcher) {\n      data.disabled = false;\n\n      data.dispatcher = function (event, hash) {\n        if (data.disabled) {\n          return;\n        }\n\n        event = fixEvent(event);\n        var handlers = data.handlers[event.type];\n\n        if (handlers) {\n          // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.\n          var handlersCopy = handlers.slice(0);\n\n          for (var m = 0, n = handlersCopy.length; m < n; m++) {\n            if (event.isImmediatePropagationStopped()) {\n              break;\n            } else {\n              try {\n                handlersCopy[m].call(elem, event, hash);\n              } catch (e) {\n                log.error(e);\n              }\n            }\n          }\n        }\n      };\n    }\n\n    if (data.handlers[type].length === 1) {\n      if (elem.addEventListener) {\n        var options = false;\n\n        if (supportsPassive() && passiveEvents.indexOf(type) > -1) {\n          options = {\n            passive: true\n          };\n        }\n\n        elem.addEventListener(type, data.dispatcher, options);\n      } else if (elem.attachEvent) {\n        elem.attachEvent('on' + type, data.dispatcher);\n      }\n    }\n  }\n  /**\n   * Removes event listeners from an element\n   *\n   * @param {Element|Object} elem\n   *        Object to remove listeners from.\n   *\n   * @param {string|string[]} [type]\n   *        Type of listener to remove. Don't include to remove all events from element.\n   *\n   * @param {EventTarget~EventListener} [fn]\n   *        Specific listener to remove. Don't include to remove listeners for an event\n   *        type.\n   */\n\n  function off(elem, type, fn) {\n    // Don't want to add a cache object through getElData if not needed\n    if (!DomData.has(elem)) {\n      return;\n    }\n\n    var data = DomData.get(elem); // If no events exist, nothing to unbind\n\n    if (!data.handlers) {\n      return;\n    }\n\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(off, elem, type, fn);\n    } // Utility function\n\n\n    var removeType = function removeType(el, t) {\n      data.handlers[t] = [];\n\n      _cleanUpEvents(el, t);\n    }; // Are we removing all bound events?\n\n\n    if (type === undefined) {\n      for (var t in data.handlers) {\n        if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {\n          removeType(elem, t);\n        }\n      }\n\n      return;\n    }\n\n    var handlers = data.handlers[type]; // If no handlers exist, nothing to unbind\n\n    if (!handlers) {\n      return;\n    } // If no listener was provided, remove all listeners for type\n\n\n    if (!fn) {\n      removeType(elem, type);\n      return;\n    } // We're only removing a single handler\n\n\n    if (fn.guid) {\n      for (var n = 0; n < handlers.length; n++) {\n        if (handlers[n].guid === fn.guid) {\n          handlers.splice(n--, 1);\n        }\n      }\n    }\n\n    _cleanUpEvents(elem, type);\n  }\n  /**\n   * Trigger an event for an element\n   *\n   * @param {Element|Object} elem\n   *        Element to trigger an event on\n   *\n   * @param {EventTarget~Event|string} event\n   *        A string (the type) or an event object with a type attribute\n   *\n   * @param {Object} [hash]\n   *        data hash to pass along with the event\n   *\n   * @return {boolean|undefined}\n   *         Returns the opposite of `defaultPrevented` if default was\n   *         prevented. Otherwise, returns `undefined`\n   */\n\n  function trigger(elem, event, hash) {\n    // Fetches element data and a reference to the parent (for bubbling).\n    // Don't want to add a data object to cache for every parent,\n    // so checking hasElData first.\n    var elemData = DomData.has(elem) ? DomData.get(elem) : {};\n    var parent = elem.parentNode || elem.ownerDocument; // type = event.type || event,\n    // handler;\n    // If an event name was passed as a string, creates an event out of it\n\n    if (typeof event === 'string') {\n      event = {\n        type: event,\n        target: elem\n      };\n    } else if (!event.target) {\n      event.target = elem;\n    } // Normalizes the event properties.\n\n\n    event = fixEvent(event); // If the passed element has a dispatcher, executes the established handlers.\n\n    if (elemData.dispatcher) {\n      elemData.dispatcher.call(elem, event, hash);\n    } // Unless explicitly stopped or the event does not bubble (e.g. media events)\n    // recursively calls this function to bubble the event up the DOM.\n\n\n    if (parent && !event.isPropagationStopped() && event.bubbles === true) {\n      trigger.call(null, parent, event, hash); // If at the top of the DOM, triggers the default action unless disabled.\n    } else if (!parent && !event.defaultPrevented && event.target && event.target[event.type]) {\n      if (!DomData.has(event.target)) {\n        DomData.set(event.target, {});\n      }\n\n      var targetData = DomData.get(event.target); // Checks if the target has a default action for this event.\n\n      if (event.target[event.type]) {\n        // Temporarily disables event dispatching on the target as we have already executed the handler.\n        targetData.disabled = true; // Executes the default action.\n\n        if (typeof event.target[event.type] === 'function') {\n          event.target[event.type]();\n        } // Re-enables event dispatching.\n\n\n        targetData.disabled = false;\n      }\n    } // Inform the triggerer if the default was prevented by returning false\n\n\n    return !event.defaultPrevented;\n  }\n  /**\n   * Trigger a listener only once for an event.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind to.\n   *\n   * @param {string|string[]} type\n   *        Name/type of event\n   *\n   * @param {Event~EventListener} fn\n   *        Event listener function\n   */\n\n  function one(elem, type, fn) {\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(one, elem, type, fn);\n    }\n\n    var func = function func() {\n      off(elem, type, func);\n      fn.apply(this, arguments);\n    }; // copy the guid to the new function so it can removed using the original function's ID\n\n\n    func.guid = fn.guid = fn.guid || newGUID();\n    on(elem, type, func);\n  }\n  /**\n   * Trigger a listener only once and then turn if off for all\n   * configured events\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind to.\n   *\n   * @param {string|string[]} type\n   *        Name/type of event\n   *\n   * @param {Event~EventListener} fn\n   *        Event listener function\n   */\n\n  function any(elem, type, fn) {\n    var func = function func() {\n      off(elem, type, func);\n      fn.apply(this, arguments);\n    }; // copy the guid to the new function so it can removed using the original function's ID\n\n\n    func.guid = fn.guid = fn.guid || newGUID(); // multiple ons, but one off for everything\n\n    on(elem, type, func);\n  }\n\n  var Events = /*#__PURE__*/Object.freeze({\n    fixEvent: fixEvent,\n    on: on,\n    off: off,\n    trigger: trigger,\n    one: one,\n    any: any\n  });\n\n  /**\n   * @file fn.js\n   * @module fn\n   */\n  var UPDATE_REFRESH_INTERVAL = 30;\n  /**\n   * Bind (a.k.a proxy or context). A simple method for changing the context of\n   * a function.\n   *\n   * It also stores a unique id on the function so it can be easily removed from\n   * events.\n   *\n   * @function\n   * @param    {Mixed} context\n   *           The object to bind as scope.\n   *\n   * @param    {Function} fn\n   *           The function to be bound to a scope.\n   *\n   * @param    {number} [uid]\n   *           An optional unique ID for the function to be set\n   *\n   * @return   {Function}\n   *           The new function that will be bound into the context given\n   */\n\n  var bind = function bind(context, fn, uid) {\n    // Make sure the function has a unique ID\n    if (!fn.guid) {\n      fn.guid = newGUID();\n    } // Create the new function that changes the context\n\n\n    var bound = fn.bind(context); // Allow for the ability to individualize this function\n    // Needed in the case where multiple objects might share the same prototype\n    // IF both items add an event listener with the same function, then you try to remove just one\n    // it will remove both because they both have the same guid.\n    // when using this, you need to use the bind method when you remove the listener as well.\n    // currently used in text tracks\n\n    bound.guid = uid ? uid + '_' + fn.guid : fn.guid;\n    return bound;\n  };\n  /**\n   * Wraps the given function, `fn`, with a new function that only invokes `fn`\n   * at most once per every `wait` milliseconds.\n   *\n   * @function\n   * @param    {Function} fn\n   *           The function to be throttled.\n   *\n   * @param    {number}   wait\n   *           The number of milliseconds by which to throttle.\n   *\n   * @return   {Function}\n   */\n\n  var throttle = function throttle(fn, wait) {\n    var last = window$3.performance.now();\n\n    var throttled = function throttled() {\n      var now = window$3.performance.now();\n\n      if (now - last >= wait) {\n        fn.apply(void 0, arguments);\n        last = now;\n      }\n    };\n\n    return throttled;\n  };\n  /**\n   * Creates a debounced function that delays invoking `func` until after `wait`\n   * milliseconds have elapsed since the last time the debounced function was\n   * invoked.\n   *\n   * Inspired by lodash and underscore implementations.\n   *\n   * @function\n   * @param    {Function} func\n   *           The function to wrap with debounce behavior.\n   *\n   * @param    {number} wait\n   *           The number of milliseconds to wait after the last invocation.\n   *\n   * @param    {boolean} [immediate]\n   *           Whether or not to invoke the function immediately upon creation.\n   *\n   * @param    {Object} [context=window]\n   *           The \"context\" in which the debounced function should debounce. For\n   *           example, if this function should be tied to a Video.js player,\n   *           the player can be passed here. Alternatively, defaults to the\n   *           global `window` object.\n   *\n   * @return   {Function}\n   *           A debounced function.\n   */\n\n  var debounce = function debounce(func, wait, immediate, context) {\n    if (context === void 0) {\n      context = window$3;\n    }\n\n    var timeout;\n\n    var cancel = function cancel() {\n      context.clearTimeout(timeout);\n      timeout = null;\n    };\n    /* eslint-disable consistent-this */\n\n\n    var debounced = function debounced() {\n      var self = this;\n      var args = arguments;\n\n      var _later = function later() {\n        timeout = null;\n        _later = null;\n\n        if (!immediate) {\n          func.apply(self, args);\n        }\n      };\n\n      if (!timeout && immediate) {\n        func.apply(self, args);\n      }\n\n      context.clearTimeout(timeout);\n      timeout = context.setTimeout(_later, wait);\n    };\n    /* eslint-enable consistent-this */\n\n\n    debounced.cancel = cancel;\n    return debounced;\n  };\n\n  /**\n   * @file src/js/event-target.js\n   */\n  /**\n   * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It\n   * adds shorthand functions that wrap around lengthy functions. For example:\n   * the `on` function is a wrapper around `addEventListener`.\n   *\n   * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}\n   * @class EventTarget\n   */\n\n  var EventTarget = function EventTarget() {};\n  /**\n   * A Custom DOM event.\n   *\n   * @typedef {Object} EventTarget~Event\n   * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}\n   */\n\n  /**\n   * All event listeners should follow the following format.\n   *\n   * @callback EventTarget~EventListener\n   * @this {EventTarget}\n   *\n   * @param {EventTarget~Event} event\n   *        the event that triggered this function\n   *\n   * @param {Object} [hash]\n   *        hash of data sent during the event\n   */\n\n  /**\n   * An object containing event names as keys and booleans as values.\n   *\n   * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}\n   *         will have extra functionality. See that function for more information.\n   *\n   * @property EventTarget.prototype.allowedEvents_\n   * @private\n   */\n\n\n  EventTarget.prototype.allowedEvents_ = {};\n  /**\n   * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a\n   * function that will get called when an event with a certain name gets triggered.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to call with `EventTarget`s\n   */\n\n  EventTarget.prototype.on = function (type, fn) {\n    // Remove the addEventListener alias before calling Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    on(this, type, fn);\n    this.addEventListener = ael;\n  };\n  /**\n   * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#on}\n   */\n\n\n  EventTarget.prototype.addEventListener = EventTarget.prototype.on;\n  /**\n   * Removes an `event listener` for a specific event from an instance of `EventTarget`.\n   * This makes it so that the `event listener` will no longer get called when the\n   * named event happens.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to remove.\n   */\n\n  EventTarget.prototype.off = function (type, fn) {\n    off(this, type, fn);\n  };\n  /**\n   * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#off}\n   */\n\n\n  EventTarget.prototype.removeEventListener = EventTarget.prototype.off;\n  /**\n   * This function will add an `event listener` that gets triggered only once. After the\n   * first trigger it will get removed. This is like adding an `event listener`\n   * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to be called once for each event name.\n   */\n\n  EventTarget.prototype.one = function (type, fn) {\n    // Remove the addEventListener aliasing Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    one(this, type, fn);\n    this.addEventListener = ael;\n  };\n\n  EventTarget.prototype.any = function (type, fn) {\n    // Remove the addEventListener aliasing Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    any(this, type, fn);\n    this.addEventListener = ael;\n  };\n  /**\n   * This function causes an event to happen. This will then cause any `event listeners`\n   * that are waiting for that event, to get called. If there are no `event listeners`\n   * for an event then nothing will happen.\n   *\n   * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.\n   * Trigger will also call the `on` + `uppercaseEventName` function.\n   *\n   * Example:\n   * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call\n   * `onClick` if it exists.\n   *\n   * @param {string|EventTarget~Event|Object} event\n   *        The name of the event, an `Event`, or an object with a key of type set to\n   *        an event name.\n   */\n\n\n  EventTarget.prototype.trigger = function (event) {\n    var type = event.type || event; // deprecation\n    // In a future version we should default target to `this`\n    // similar to how we default the target to `elem` in\n    // `Events.trigger`. Right now the default `target` will be\n    // `document` due to the `Event.fixEvent` call.\n\n    if (typeof event === 'string') {\n      event = {\n        type: type\n      };\n    }\n\n    event = fixEvent(event);\n\n    if (this.allowedEvents_[type] && this['on' + type]) {\n      this['on' + type](event);\n    }\n\n    trigger(this, event);\n  };\n  /**\n   * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#trigger}\n   */\n\n\n  EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;\n  var EVENT_MAP;\n\n  EventTarget.prototype.queueTrigger = function (event) {\n    var _this = this;\n\n    // only set up EVENT_MAP if it'll be used\n    if (!EVENT_MAP) {\n      EVENT_MAP = new Map();\n    }\n\n    var type = event.type || event;\n    var map = EVENT_MAP.get(this);\n\n    if (!map) {\n      map = new Map();\n      EVENT_MAP.set(this, map);\n    }\n\n    var oldTimeout = map.get(type);\n    map[\"delete\"](type);\n    window$3.clearTimeout(oldTimeout);\n    var timeout = window$3.setTimeout(function () {\n      // if we cleared out all timeouts for the current target, delete its map\n      if (map.size === 0) {\n        map = null;\n        EVENT_MAP[\"delete\"](_this);\n      }\n\n      _this.trigger(event);\n    }, 0);\n    map.set(type, timeout);\n  };\n\n  /**\n   * @file mixins/evented.js\n   * @module evented\n   */\n  /**\n   * Returns whether or not an object has had the evented mixin applied.\n   *\n   * @param  {Object} object\n   *         An object to test.\n   *\n   * @return {boolean}\n   *         Whether or not the object appears to be evented.\n   */\n\n  var isEvented = function isEvented(object) {\n    return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {\n      return typeof object[k] === 'function';\n    });\n  };\n  /**\n   * Adds a callback to run after the evented mixin applied.\n   *\n   * @param  {Object} object\n   *         An object to Add\n   * @param  {Function} callback\n   *         The callback to run.\n   */\n\n\n  var addEventedCallback = function addEventedCallback(target, callback) {\n    if (isEvented(target)) {\n      callback();\n    } else {\n      if (!target.eventedCallbacks) {\n        target.eventedCallbacks = [];\n      }\n\n      target.eventedCallbacks.push(callback);\n    }\n  };\n  /**\n   * Whether a value is a valid event type - non-empty string or array.\n   *\n   * @private\n   * @param  {string|Array} type\n   *         The type value to test.\n   *\n   * @return {boolean}\n   *         Whether or not the type is a valid event type.\n   */\n\n\n  var isValidEventType = function isValidEventType(type) {\n    return (// The regex here verifies that the `type` contains at least one non-\n      // whitespace character.\n      typeof type === 'string' && /\\S/.test(type) || Array.isArray(type) && !!type.length\n    );\n  };\n  /**\n   * Validates a value to determine if it is a valid event target. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the target does not appear to be a valid event target.\n   *\n   * @param  {Object} target\n   *         The object to test.\n   */\n\n\n  var validateTarget = function validateTarget(target) {\n    if (!target.nodeName && !isEvented(target)) {\n      throw new Error('Invalid target; must be a DOM node or evented object.');\n    }\n  };\n  /**\n   * Validates a value to determine if it is a valid event target. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the type does not appear to be a valid event type.\n   *\n   * @param  {string|Array} type\n   *         The type to test.\n   */\n\n\n  var validateEventType = function validateEventType(type) {\n    if (!isValidEventType(type)) {\n      throw new Error('Invalid event type; must be a non-empty string or array.');\n    }\n  };\n  /**\n   * Validates a value to determine if it is a valid listener. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the listener is not a function.\n   *\n   * @param  {Function} listener\n   *         The listener to test.\n   */\n\n\n  var validateListener = function validateListener(listener) {\n    if (typeof listener !== 'function') {\n      throw new Error('Invalid listener; must be a function.');\n    }\n  };\n  /**\n   * Takes an array of arguments given to `on()` or `one()`, validates them, and\n   * normalizes them into an object.\n   *\n   * @private\n   * @param  {Object} self\n   *         The evented object on which `on()` or `one()` was called. This\n   *         object will be bound as the `this` value for the listener.\n   *\n   * @param  {Array} args\n   *         An array of arguments passed to `on()` or `one()`.\n   *\n   * @return {Object}\n   *         An object containing useful values for `on()` or `one()` calls.\n   */\n\n\n  var normalizeListenArgs = function normalizeListenArgs(self, args) {\n    // If the number of arguments is less than 3, the target is always the\n    // evented object itself.\n    var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;\n    var target;\n    var type;\n    var listener;\n\n    if (isTargetingSelf) {\n      target = self.eventBusEl_; // Deal with cases where we got 3 arguments, but we are still listening to\n      // the evented object itself.\n\n      if (args.length >= 3) {\n        args.shift();\n      }\n\n      type = args[0];\n      listener = args[1];\n    } else {\n      target = args[0];\n      type = args[1];\n      listener = args[2];\n    }\n\n    validateTarget(target);\n    validateEventType(type);\n    validateListener(listener);\n    listener = bind(self, listener);\n    return {\n      isTargetingSelf: isTargetingSelf,\n      target: target,\n      type: type,\n      listener: listener\n    };\n  };\n  /**\n   * Adds the listener to the event type(s) on the target, normalizing for\n   * the type of target.\n   *\n   * @private\n   * @param  {Element|Object} target\n   *         A DOM node or evented object.\n   *\n   * @param  {string} method\n   *         The event binding method to use (\"on\" or \"one\").\n   *\n   * @param  {string|Array} type\n   *         One or more event type(s).\n   *\n   * @param  {Function} listener\n   *         A listener function.\n   */\n\n\n  var listen = function listen(target, method, type, listener) {\n    validateTarget(target);\n\n    if (target.nodeName) {\n      Events[method](target, type, listener);\n    } else {\n      target[method](type, listener);\n    }\n  };\n  /**\n   * Contains methods that provide event capabilities to an object which is passed\n   * to {@link module:evented|evented}.\n   *\n   * @mixin EventedMixin\n   */\n\n\n  var EventedMixin = {\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    on: function on() {\n      var _this = this;\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var _normalizeListenArgs = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs.isTargetingSelf,\n          target = _normalizeListenArgs.target,\n          type = _normalizeListenArgs.type,\n          listener = _normalizeListenArgs.listener;\n\n      listen(target, 'on', type, listener); // If this object is listening to another evented object.\n\n      if (!isTargetingSelf) {\n        // If this object is disposed, remove the listener.\n        var removeListenerOnDispose = function removeListenerOnDispose() {\n          return _this.off(target, type, listener);\n        }; // Use the same function ID as the listener so we can remove it later it\n        // using the ID of the original listener.\n\n\n        removeListenerOnDispose.guid = listener.guid; // Add a listener to the target's dispose event as well. This ensures\n        // that if the target is disposed BEFORE this object, we remove the\n        // removal listener that was just added. Otherwise, we create a memory leak.\n\n        var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {\n          return _this.off('dispose', removeListenerOnDispose);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        removeRemoverOnTargetDispose.guid = listener.guid;\n        listen(this, 'on', 'dispose', removeListenerOnDispose);\n        listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);\n      }\n    },\n\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object. The listener will be called once per event and then removed.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    one: function one() {\n      var _this2 = this;\n\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      var _normalizeListenArgs2 = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,\n          target = _normalizeListenArgs2.target,\n          type = _normalizeListenArgs2.type,\n          listener = _normalizeListenArgs2.listener; // Targeting this evented object.\n\n\n      if (isTargetingSelf) {\n        listen(target, 'one', type, listener); // Targeting another evented object.\n      } else {\n        // TODO: This wrapper is incorrect! It should only\n        //       remove the wrapper for the event type that called it.\n        //       Instead all listners are removed on the first trigger!\n        //       see https://github.com/videojs/video.js/issues/5962\n        var wrapper = function wrapper() {\n          _this2.off(target, type, wrapper);\n\n          for (var _len3 = arguments.length, largs = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n            largs[_key3] = arguments[_key3];\n          }\n\n          listener.apply(null, largs);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        wrapper.guid = listener.guid;\n        listen(target, 'one', type, wrapper);\n      }\n    },\n\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object. The listener will only be called once for the first event that is triggered\n     * then removed.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    any: function any() {\n      var _this3 = this;\n\n      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n        args[_key4] = arguments[_key4];\n      }\n\n      var _normalizeListenArgs3 = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs3.isTargetingSelf,\n          target = _normalizeListenArgs3.target,\n          type = _normalizeListenArgs3.type,\n          listener = _normalizeListenArgs3.listener; // Targeting this evented object.\n\n\n      if (isTargetingSelf) {\n        listen(target, 'any', type, listener); // Targeting another evented object.\n      } else {\n        var wrapper = function wrapper() {\n          _this3.off(target, type, wrapper);\n\n          for (var _len5 = arguments.length, largs = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {\n            largs[_key5] = arguments[_key5];\n          }\n\n          listener.apply(null, largs);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        wrapper.guid = listener.guid;\n        listen(target, 'any', type, wrapper);\n      }\n    },\n\n    /**\n     * Removes listener(s) from event(s) on an evented object.\n     *\n     * @param  {string|Array|Element|Object} [targetOrType]\n     *         If this is a string or array, it represents the event type(s).\n     *\n     *         Another evented object can be passed here instead, in which case\n     *         ALL 3 arguments are _required_.\n     *\n     * @param  {string|Array|Function} [typeOrListener]\n     *         If the first argument was a string or array, this may be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function; otherwise, _all_ listeners bound to the\n     *         event type(s) will be removed.\n     */\n    off: function off$1(targetOrType, typeOrListener, listener) {\n      // Targeting this evented object.\n      if (!targetOrType || isValidEventType(targetOrType)) {\n        off(this.eventBusEl_, targetOrType, typeOrListener); // Targeting another evented object.\n      } else {\n        var target = targetOrType;\n        var type = typeOrListener; // Fail fast and in a meaningful way!\n\n        validateTarget(target);\n        validateEventType(type);\n        validateListener(listener); // Ensure there's at least a guid, even if the function hasn't been used\n\n        listener = bind(this, listener); // Remove the dispose listener on this evented object, which was given\n        // the same guid as the event listener in on().\n\n        this.off('dispose', listener);\n\n        if (target.nodeName) {\n          off(target, type, listener);\n          off(target, 'dispose', listener);\n        } else if (isEvented(target)) {\n          target.off(type, listener);\n          target.off('dispose', listener);\n        }\n      }\n    },\n\n    /**\n     * Fire an event on this evented object, causing its listeners to be called.\n     *\n     * @param   {string|Object} event\n     *          An event type or an object with a type property.\n     *\n     * @param   {Object} [hash]\n     *          An additional object to pass along to listeners.\n     *\n     * @return {boolean}\n     *          Whether or not the default behavior was prevented.\n     */\n    trigger: function trigger$1(event, hash) {\n      return trigger(this.eventBusEl_, event, hash);\n    }\n  };\n  /**\n   * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.\n   *\n   * @param  {Object} target\n   *         The object to which to add event methods.\n   *\n   * @param  {Object} [options={}]\n   *         Options for customizing the mixin behavior.\n   *\n   * @param  {string} [options.eventBusKey]\n   *         By default, adds a `eventBusEl_` DOM element to the target object,\n   *         which is used as an event bus. If the target object already has a\n   *         DOM element that should be used, pass its key here.\n   *\n   * @return {Object}\n   *         The target object.\n   */\n\n  function evented(target, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var _options = options,\n        eventBusKey = _options.eventBusKey; // Set or create the eventBusEl_.\n\n    if (eventBusKey) {\n      if (!target[eventBusKey].nodeName) {\n        throw new Error(\"The eventBusKey \\\"\" + eventBusKey + \"\\\" does not refer to an element.\");\n      }\n\n      target.eventBusEl_ = target[eventBusKey];\n    } else {\n      target.eventBusEl_ = createEl('span', {\n        className: 'vjs-event-bus'\n      });\n    }\n\n    assign(target, EventedMixin);\n\n    if (target.eventedCallbacks) {\n      target.eventedCallbacks.forEach(function (callback) {\n        callback();\n      });\n    } // When any evented object is disposed, it removes all its listeners.\n\n\n    target.on('dispose', function () {\n      target.off();\n      window$3.setTimeout(function () {\n        target.eventBusEl_ = null;\n      }, 0);\n    });\n    return target;\n  }\n\n  /**\n   * @file mixins/stateful.js\n   * @module stateful\n   */\n  /**\n   * Contains methods that provide statefulness to an object which is passed\n   * to {@link module:stateful}.\n   *\n   * @mixin StatefulMixin\n   */\n\n  var StatefulMixin = {\n    /**\n     * A hash containing arbitrary keys and values representing the state of\n     * the object.\n     *\n     * @type {Object}\n     */\n    state: {},\n\n    /**\n     * Set the state of an object by mutating its\n     * {@link module:stateful~StatefulMixin.state|state} object in place.\n     *\n     * @fires   module:stateful~StatefulMixin#statechanged\n     * @param   {Object|Function} stateUpdates\n     *          A new set of properties to shallow-merge into the plugin state.\n     *          Can be a plain object or a function returning a plain object.\n     *\n     * @return {Object|undefined}\n     *          An object containing changes that occurred. If no changes\n     *          occurred, returns `undefined`.\n     */\n    setState: function setState(stateUpdates) {\n      var _this = this;\n\n      // Support providing the `stateUpdates` state as a function.\n      if (typeof stateUpdates === 'function') {\n        stateUpdates = stateUpdates();\n      }\n\n      var changes;\n      each(stateUpdates, function (value, key) {\n        // Record the change if the value is different from what's in the\n        // current state.\n        if (_this.state[key] !== value) {\n          changes = changes || {};\n          changes[key] = {\n            from: _this.state[key],\n            to: value\n          };\n        }\n\n        _this.state[key] = value;\n      }); // Only trigger \"statechange\" if there were changes AND we have a trigger\n      // function. This allows us to not require that the target object be an\n      // evented object.\n\n      if (changes && isEvented(this)) {\n        /**\n         * An event triggered on an object that is both\n         * {@link module:stateful|stateful} and {@link module:evented|evented}\n         * indicating that its state has changed.\n         *\n         * @event    module:stateful~StatefulMixin#statechanged\n         * @type     {Object}\n         * @property {Object} changes\n         *           A hash containing the properties that were changed and\n         *           the values they were changed `from` and `to`.\n         */\n        this.trigger({\n          changes: changes,\n          type: 'statechanged'\n        });\n      }\n\n      return changes;\n    }\n  };\n  /**\n   * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target\n   * object.\n   *\n   * If the target object is {@link module:evented|evented} and has a\n   * `handleStateChanged` method, that method will be automatically bound to the\n   * `statechanged` event on itself.\n   *\n   * @param   {Object} target\n   *          The object to be made stateful.\n   *\n   * @param   {Object} [defaultState]\n   *          A default set of properties to populate the newly-stateful object's\n   *          `state` property.\n   *\n   * @return {Object}\n   *          Returns the `target`.\n   */\n\n  function stateful(target, defaultState) {\n    assign(target, StatefulMixin); // This happens after the mixing-in because we need to replace the `state`\n    // added in that step.\n\n    target.state = assign({}, target.state, defaultState); // Auto-bind the `handleStateChanged` method of the target object if it exists.\n\n    if (typeof target.handleStateChanged === 'function' && isEvented(target)) {\n      target.on('statechanged', target.handleStateChanged);\n    }\n\n    return target;\n  }\n\n  /**\n   * @file string-cases.js\n   * @module to-lower-case\n   */\n\n  /**\n   * Lowercase the first letter of a string.\n   *\n   * @param {string} string\n   *        String to be lowercased\n   *\n   * @return {string}\n   *         The string with a lowercased first letter\n   */\n  var toLowerCase = function toLowerCase(string) {\n    if (typeof string !== 'string') {\n      return string;\n    }\n\n    return string.replace(/./, function (w) {\n      return w.toLowerCase();\n    });\n  };\n  /**\n   * Uppercase the first letter of a string.\n   *\n   * @param {string} string\n   *        String to be uppercased\n   *\n   * @return {string}\n   *         The string with an uppercased first letter\n   */\n\n  var toTitleCase = function toTitleCase(string) {\n    if (typeof string !== 'string') {\n      return string;\n    }\n\n    return string.replace(/./, function (w) {\n      return w.toUpperCase();\n    });\n  };\n  /**\n   * Compares the TitleCase versions of the two strings for equality.\n   *\n   * @param {string} str1\n   *        The first string to compare\n   *\n   * @param {string} str2\n   *        The second string to compare\n   *\n   * @return {boolean}\n   *         Whether the TitleCase versions of the strings are equal\n   */\n\n  var titleCaseEquals = function titleCaseEquals(str1, str2) {\n    return toTitleCase(str1) === toTitleCase(str2);\n  };\n\n  /**\n   * @file merge-options.js\n   * @module merge-options\n   */\n  /**\n   * Merge two objects recursively.\n   *\n   * Performs a deep merge like\n   * {@link https://lodash.com/docs/4.17.10#merge|lodash.merge}, but only merges\n   * plain objects (not arrays, elements, or anything else).\n   *\n   * Non-plain object values will be copied directly from the right-most\n   * argument.\n   *\n   * @static\n   * @param   {Object[]} sources\n   *          One or more objects to merge into a new object.\n   *\n   * @return {Object}\n   *          A new object that is the merged result of all sources.\n   */\n\n  function mergeOptions() {\n    var result = {};\n\n    for (var _len = arguments.length, sources = new Array(_len), _key = 0; _key < _len; _key++) {\n      sources[_key] = arguments[_key];\n    }\n\n    sources.forEach(function (source) {\n      if (!source) {\n        return;\n      }\n\n      each(source, function (value, key) {\n        if (!isPlain(value)) {\n          result[key] = value;\n          return;\n        }\n\n        if (!isPlain(result[key])) {\n          result[key] = {};\n        }\n\n        result[key] = mergeOptions(result[key], value);\n      });\n    });\n    return result;\n  }\n\n  /**\n   * Player Component - Base class for all UI objects\n   *\n   * @file component.js\n   */\n  /**\n   * Base class for all UI Components.\n   * Components are UI objects which represent both a javascript object and an element\n   * in the DOM. They can be children of other components, and can have\n   * children themselves.\n   *\n   * Components can also use methods from {@link EventTarget}\n   */\n\n  var Component = /*#__PURE__*/function () {\n    /**\n     * A callback that is called when a component is ready. Does not have any\n     * paramters and any callback value will be ignored.\n     *\n     * @callback Component~ReadyCallback\n     * @this Component\n     */\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Object[]} [options.children]\n     *        An array of children objects to intialize this component with. Children objects have\n     *        a name property that will be used if more than one component of the same type needs to be\n     *        added.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        Function that gets called when the `Component` is ready.\n     */\n    function Component(player, options, ready) {\n      // The component might be the player itself and we can't pass `this` to super\n      if (!player && this.play) {\n        this.player_ = player = this; // eslint-disable-line\n      } else {\n        this.player_ = player;\n      }\n\n      this.isDisposed_ = false; // Hold the reference to the parent component via `addChild` method\n\n      this.parentComponent_ = null; // Make a copy of prototype.options_ to protect against overriding defaults\n\n      this.options_ = mergeOptions({}, this.options_); // Updated options with supplied options\n\n      options = this.options_ = mergeOptions(this.options_, options); // Get ID from options or options element if one is supplied\n\n      this.id_ = options.id || options.el && options.el.id; // If there was no ID from the options, generate one\n\n      if (!this.id_) {\n        // Don't require the player ID function in the case of mock players\n        var id = player && player.id && player.id() || 'no_player';\n        this.id_ = id + \"_component_\" + newGUID();\n      }\n\n      this.name_ = options.name || null; // Create element if one wasn't provided in options\n\n      if (options.el) {\n        this.el_ = options.el;\n      } else if (options.createEl !== false) {\n        this.el_ = this.createEl();\n      } // if evented is anything except false, we want to mixin in evented\n\n\n      if (options.evented !== false) {\n        // Make this an evented object and use `el_`, if available, as its event bus\n        evented(this, {\n          eventBusKey: this.el_ ? 'el_' : null\n        });\n      }\n\n      stateful(this, this.constructor.defaultState);\n      this.children_ = [];\n      this.childIndex_ = {};\n      this.childNameIndex_ = {};\n      var SetSham;\n\n      if (!window$3.Set) {\n        SetSham = /*#__PURE__*/function () {\n          function SetSham() {\n            this.set_ = {};\n          }\n\n          var _proto2 = SetSham.prototype;\n\n          _proto2.has = function has(key) {\n            return key in this.set_;\n          };\n\n          _proto2[\"delete\"] = function _delete(key) {\n            var has = this.has(key);\n            delete this.set_[key];\n            return has;\n          };\n\n          _proto2.add = function add(key) {\n            this.set_[key] = 1;\n            return this;\n          };\n\n          _proto2.forEach = function forEach(callback, thisArg) {\n            for (var key in this.set_) {\n              callback.call(thisArg, key, key, this);\n            }\n          };\n\n          return SetSham;\n        }();\n      }\n\n      this.setTimeoutIds_ = window$3.Set ? new Set() : new SetSham();\n      this.setIntervalIds_ = window$3.Set ? new Set() : new SetSham();\n      this.rafIds_ = window$3.Set ? new Set() : new SetSham();\n      this.clearingTimersOnDispose_ = false; // Add any child components in options\n\n      if (options.initChildren !== false) {\n        this.initChildren();\n      }\n\n      this.ready(ready); // Don't want to trigger ready here or it will before init is actually\n      // finished for all children that run this constructor\n\n      if (options.reportTouchActivity !== false) {\n        this.enableTouchActivity();\n      }\n    }\n    /**\n     * Dispose of the `Component` and all child components.\n     *\n     * @fires Component#dispose\n     */\n\n\n    var _proto = Component.prototype;\n\n    _proto.dispose = function dispose() {\n      // Bail out if the component has already been disposed.\n      if (this.isDisposed_) {\n        return;\n      }\n      /**\n       * Triggered when a `Component` is disposed.\n       *\n       * @event Component#dispose\n       * @type {EventTarget~Event}\n       *\n       * @property {boolean} [bubbles=false]\n       *           set to false so that the dispose event does not\n       *           bubble up\n       */\n\n\n      this.trigger({\n        type: 'dispose',\n        bubbles: false\n      });\n      this.isDisposed_ = true; // Dispose all children.\n\n      if (this.children_) {\n        for (var i = this.children_.length - 1; i >= 0; i--) {\n          if (this.children_[i].dispose) {\n            this.children_[i].dispose();\n          }\n        }\n      } // Delete child references\n\n\n      this.children_ = null;\n      this.childIndex_ = null;\n      this.childNameIndex_ = null;\n      this.parentComponent_ = null;\n\n      if (this.el_) {\n        // Remove element from DOM\n        if (this.el_.parentNode) {\n          this.el_.parentNode.removeChild(this.el_);\n        }\n\n        if (DomData.has(this.el_)) {\n          DomData[\"delete\"](this.el_);\n        }\n\n        this.el_ = null;\n      } // remove reference to the player after disposing of the element\n\n\n      this.player_ = null;\n    }\n    /**\n     * Determine whether or not this component has been disposed.\n     *\n     * @return {boolean}\n     *         If the component has been disposed, will be `true`. Otherwise, `false`.\n     */\n    ;\n\n    _proto.isDisposed = function isDisposed() {\n      return Boolean(this.isDisposed_);\n    }\n    /**\n     * Return the {@link Player} that the `Component` has attached to.\n     *\n     * @return {Player}\n     *         The player that this `Component` has attached to.\n     */\n    ;\n\n    _proto.player = function player() {\n      return this.player_;\n    }\n    /**\n     * Deep merge of options objects with new options.\n     * > Note: When both `obj` and `options` contain properties whose values are objects.\n     *         The two properties get merged using {@link module:mergeOptions}\n     *\n     * @param {Object} obj\n     *        The object that contains new options.\n     *\n     * @return {Object}\n     *         A new object of `this.options_` and `obj` merged together.\n     */\n    ;\n\n    _proto.options = function options(obj) {\n      if (!obj) {\n        return this.options_;\n      }\n\n      this.options_ = mergeOptions(this.options_, obj);\n      return this.options_;\n    }\n    /**\n     * Get the `Component`s DOM element\n     *\n     * @return {Element}\n     *         The DOM element for this `Component`.\n     */\n    ;\n\n    _proto.el = function el() {\n      return this.el_;\n    }\n    /**\n     * Create the `Component`s DOM element.\n     *\n     * @param {string} [tagName]\n     *        Element's DOM node type. e.g. 'div'\n     *\n     * @param {Object} [properties]\n     *        An object of properties that should be set.\n     *\n     * @param {Object} [attributes]\n     *        An object of attributes that should be set.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1(tagName, properties, attributes) {\n      return createEl(tagName, properties, attributes);\n    }\n    /**\n     * Localize a string given the string in english.\n     *\n     * If tokens are provided, it'll try and run a simple token replacement on the provided string.\n     * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array.\n     *\n     * If a `defaultValue` is provided, it'll use that over `string`,\n     * if a value isn't found in provided language files.\n     * This is useful if you want to have a descriptive key for token replacement\n     * but have a succinct localized string and not require `en.json` to be included.\n     *\n     * Currently, it is used for the progress bar timing.\n     * ```js\n     * {\n     *   \"progress bar timing: currentTime={1} duration={2}\": \"{1} of {2}\"\n     * }\n     * ```\n     * It is then used like so:\n     * ```js\n     * this.localize('progress bar timing: currentTime={1} duration{2}',\n     *               [this.player_.currentTime(), this.player_.duration()],\n     *               '{1} of {2}');\n     * ```\n     *\n     * Which outputs something like: `01:23 of 24:56`.\n     *\n     *\n     * @param {string} string\n     *        The string to localize and the key to lookup in the language files.\n     * @param {string[]} [tokens]\n     *        If the current item has token replacements, provide the tokens here.\n     * @param {string} [defaultValue]\n     *        Defaults to `string`. Can be a default value to use for token replacement\n     *        if the lookup key is needed to be separate.\n     *\n     * @return {string}\n     *         The localized string or if no localization exists the english string.\n     */\n    ;\n\n    _proto.localize = function localize(string, tokens, defaultValue) {\n      if (defaultValue === void 0) {\n        defaultValue = string;\n      }\n\n      var code = this.player_.language && this.player_.language();\n      var languages = this.player_.languages && this.player_.languages();\n      var language = languages && languages[code];\n      var primaryCode = code && code.split('-')[0];\n      var primaryLang = languages && languages[primaryCode];\n      var localizedString = defaultValue;\n\n      if (language && language[string]) {\n        localizedString = language[string];\n      } else if (primaryLang && primaryLang[string]) {\n        localizedString = primaryLang[string];\n      }\n\n      if (tokens) {\n        localizedString = localizedString.replace(/\\{(\\d+)\\}/g, function (match, index) {\n          var value = tokens[index - 1];\n          var ret = value;\n\n          if (typeof value === 'undefined') {\n            ret = match;\n          }\n\n          return ret;\n        });\n      }\n\n      return localizedString;\n    }\n    /**\n     * Return the `Component`s DOM element. This is where children get inserted.\n     * This will usually be the the same as the element returned in {@link Component#el}.\n     *\n     * @return {Element}\n     *         The content element for this `Component`.\n     */\n    ;\n\n    _proto.contentEl = function contentEl() {\n      return this.contentEl_ || this.el_;\n    }\n    /**\n     * Get this `Component`s ID\n     *\n     * @return {string}\n     *         The id of this `Component`\n     */\n    ;\n\n    _proto.id = function id() {\n      return this.id_;\n    }\n    /**\n     * Get the `Component`s name. The name gets used to reference the `Component`\n     * and is set during registration.\n     *\n     * @return {string}\n     *         The name of this `Component`.\n     */\n    ;\n\n    _proto.name = function name() {\n      return this.name_;\n    }\n    /**\n     * Get an array of all child components\n     *\n     * @return {Array}\n     *         The children\n     */\n    ;\n\n    _proto.children = function children() {\n      return this.children_;\n    }\n    /**\n     * Returns the child `Component` with the given `id`.\n     *\n     * @param {string} id\n     *        The id of the child `Component` to get.\n     *\n     * @return {Component|undefined}\n     *         The child `Component` with the given `id` or undefined.\n     */\n    ;\n\n    _proto.getChildById = function getChildById(id) {\n      return this.childIndex_[id];\n    }\n    /**\n     * Returns the child `Component` with the given `name`.\n     *\n     * @param {string} name\n     *        The name of the child `Component` to get.\n     *\n     * @return {Component|undefined}\n     *         The child `Component` with the given `name` or undefined.\n     */\n    ;\n\n    _proto.getChild = function getChild(name) {\n      if (!name) {\n        return;\n      }\n\n      return this.childNameIndex_[name];\n    }\n    /**\n     * Add a child `Component` inside the current `Component`.\n     *\n     *\n     * @param {string|Component} child\n     *        The name or instance of a child to add.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of options that will get passed to children of\n     *        the child.\n     *\n     * @param {number} [index=this.children_.length]\n     *        The index to attempt to add a child into.\n     *\n     * @return {Component}\n     *         The `Component` that gets added as a child. When using a string the\n     *         `Component` will get created by this process.\n     */\n    ;\n\n    _proto.addChild = function addChild(child, options, index) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (index === void 0) {\n        index = this.children_.length;\n      }\n\n      var component;\n      var componentName; // If child is a string, create component with options\n\n      if (typeof child === 'string') {\n        componentName = toTitleCase(child);\n        var componentClassName = options.componentClass || componentName; // Set name through options\n\n        options.name = componentName; // Create a new object & element for this controls set\n        // If there's no .player_, this is a player\n\n        var ComponentClass = Component.getComponent(componentClassName);\n\n        if (!ComponentClass) {\n          throw new Error(\"Component \" + componentClassName + \" does not exist\");\n        } // data stored directly on the videojs object may be\n        // misidentified as a component to retain\n        // backwards-compatibility with 4.x. check to make sure the\n        // component class can be instantiated.\n\n\n        if (typeof ComponentClass !== 'function') {\n          return null;\n        }\n\n        component = new ComponentClass(this.player_ || this, options); // child is a component instance\n      } else {\n        component = child;\n      }\n\n      if (component.parentComponent_) {\n        component.parentComponent_.removeChild(component);\n      }\n\n      this.children_.splice(index, 0, component);\n      component.parentComponent_ = this;\n\n      if (typeof component.id === 'function') {\n        this.childIndex_[component.id()] = component;\n      } // If a name wasn't used to create the component, check if we can use the\n      // name function of the component\n\n\n      componentName = componentName || component.name && toTitleCase(component.name());\n\n      if (componentName) {\n        this.childNameIndex_[componentName] = component;\n        this.childNameIndex_[toLowerCase(componentName)] = component;\n      } // Add the UI object's element to the container div (box)\n      // Having an element is not required\n\n\n      if (typeof component.el === 'function' && component.el()) {\n        // If inserting before a component, insert before that component's element\n        var refNode = null;\n\n        if (this.children_[index + 1] && this.children_[index + 1].el_) {\n          refNode = this.children_[index + 1].el_;\n        }\n\n        this.contentEl().insertBefore(component.el(), refNode);\n      } // Return so it can stored on parent object if desired.\n\n\n      return component;\n    }\n    /**\n     * Remove a child `Component` from this `Component`s list of children. Also removes\n     * the child `Component`s element from this `Component`s element.\n     *\n     * @param {Component} component\n     *        The child `Component` to remove.\n     */\n    ;\n\n    _proto.removeChild = function removeChild(component) {\n      if (typeof component === 'string') {\n        component = this.getChild(component);\n      }\n\n      if (!component || !this.children_) {\n        return;\n      }\n\n      var childFound = false;\n\n      for (var i = this.children_.length - 1; i >= 0; i--) {\n        if (this.children_[i] === component) {\n          childFound = true;\n          this.children_.splice(i, 1);\n          break;\n        }\n      }\n\n      if (!childFound) {\n        return;\n      }\n\n      component.parentComponent_ = null;\n      this.childIndex_[component.id()] = null;\n      this.childNameIndex_[toTitleCase(component.name())] = null;\n      this.childNameIndex_[toLowerCase(component.name())] = null;\n      var compEl = component.el();\n\n      if (compEl && compEl.parentNode === this.contentEl()) {\n        this.contentEl().removeChild(component.el());\n      }\n    }\n    /**\n     * Add and initialize default child `Component`s based upon options.\n     */\n    ;\n\n    _proto.initChildren = function initChildren() {\n      var _this = this;\n\n      var children = this.options_.children;\n\n      if (children) {\n        // `this` is `parent`\n        var parentOptions = this.options_;\n\n        var handleAdd = function handleAdd(child) {\n          var name = child.name;\n          var opts = child.opts; // Allow options for children to be set at the parent options\n          // e.g. videojs(id, { controlBar: false });\n          // instead of videojs(id, { children: { controlBar: false });\n\n          if (parentOptions[name] !== undefined) {\n            opts = parentOptions[name];\n          } // Allow for disabling default components\n          // e.g. options['children']['posterImage'] = false\n\n\n          if (opts === false) {\n            return;\n          } // Allow options to be passed as a simple boolean if no configuration\n          // is necessary.\n\n\n          if (opts === true) {\n            opts = {};\n          } // We also want to pass the original player options\n          // to each component as well so they don't need to\n          // reach back into the player for options later.\n\n\n          opts.playerOptions = _this.options_.playerOptions; // Create and add the child component.\n          // Add a direct reference to the child by name on the parent instance.\n          // If two of the same component are used, different names should be supplied\n          // for each\n\n          var newChild = _this.addChild(name, opts);\n\n          if (newChild) {\n            _this[name] = newChild;\n          }\n        }; // Allow for an array of children details to passed in the options\n\n\n        var workingChildren;\n        var Tech = Component.getComponent('Tech');\n\n        if (Array.isArray(children)) {\n          workingChildren = children;\n        } else {\n          workingChildren = Object.keys(children);\n        }\n\n        workingChildren // children that are in this.options_ but also in workingChildren  would\n        // give us extra children we do not want. So, we want to filter them out.\n        .concat(Object.keys(this.options_).filter(function (child) {\n          return !workingChildren.some(function (wchild) {\n            if (typeof wchild === 'string') {\n              return child === wchild;\n            }\n\n            return child === wchild.name;\n          });\n        })).map(function (child) {\n          var name;\n          var opts;\n\n          if (typeof child === 'string') {\n            name = child;\n            opts = children[name] || _this.options_[name] || {};\n          } else {\n            name = child.name;\n            opts = child;\n          }\n\n          return {\n            name: name,\n            opts: opts\n          };\n        }).filter(function (child) {\n          // we have to make sure that child.name isn't in the techOrder since\n          // techs are registerd as Components but can't aren't compatible\n          // See https://github.com/videojs/video.js/issues/2772\n          var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));\n          return c && !Tech.isTech(c);\n        }).forEach(handleAdd);\n      }\n    }\n    /**\n     * Builds the default DOM class name. Should be overriden by sub-components.\n     *\n     * @return {string}\n     *         The DOM class name for this object.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      // Child classes can include a function that does:\n      // return 'CLASS NAME' + this._super();\n      return '';\n    }\n    /**\n     * Bind a listener to the component's ready state.\n     * Different from event listeners in that if the ready event has already happened\n     * it will trigger the function immediately.\n     *\n     * @return {Component}\n     *         Returns itself; method can be chained.\n     */\n    ;\n\n    _proto.ready = function ready(fn, sync) {\n      if (sync === void 0) {\n        sync = false;\n      }\n\n      if (!fn) {\n        return;\n      }\n\n      if (!this.isReady_) {\n        this.readyQueue_ = this.readyQueue_ || [];\n        this.readyQueue_.push(fn);\n        return;\n      }\n\n      if (sync) {\n        fn.call(this);\n      } else {\n        // Call the function asynchronously by default for consistency\n        this.setTimeout(fn, 1);\n      }\n    }\n    /**\n     * Trigger all the ready listeners for this `Component`.\n     *\n     * @fires Component#ready\n     */\n    ;\n\n    _proto.triggerReady = function triggerReady() {\n      this.isReady_ = true; // Ensure ready is triggered asynchronously\n\n      this.setTimeout(function () {\n        var readyQueue = this.readyQueue_; // Reset Ready Queue\n\n        this.readyQueue_ = [];\n\n        if (readyQueue && readyQueue.length > 0) {\n          readyQueue.forEach(function (fn) {\n            fn.call(this);\n          }, this);\n        } // Allow for using event listeners also\n\n        /**\n         * Triggered when a `Component` is ready.\n         *\n         * @event Component#ready\n         * @type {EventTarget~Event}\n         */\n\n\n        this.trigger('ready');\n      }, 1);\n    }\n    /**\n     * Find a single DOM element matching a `selector`. This can be within the `Component`s\n     * `contentEl()` or another custom context.\n     *\n     * @param {string} selector\n     *        A valid CSS selector, which will be passed to `querySelector`.\n     *\n     * @param {Element|string} [context=this.contentEl()]\n     *        A DOM element within which to query. Can also be a selector string in\n     *        which case the first matching element will get used as context. If\n     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns\n     *        nothing it falls back to `document`.\n     *\n     * @return {Element|null}\n     *         the dom element that was found, or null\n     *\n     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)\n     */\n    ;\n\n    _proto.$ = function $$1(selector, context) {\n      return $(selector, context || this.contentEl());\n    }\n    /**\n     * Finds all DOM element matching a `selector`. This can be within the `Component`s\n     * `contentEl()` or another custom context.\n     *\n     * @param {string} selector\n     *        A valid CSS selector, which will be passed to `querySelectorAll`.\n     *\n     * @param {Element|string} [context=this.contentEl()]\n     *        A DOM element within which to query. Can also be a selector string in\n     *        which case the first matching element will get used as context. If\n     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns\n     *        nothing it falls back to `document`.\n     *\n     * @return {NodeList}\n     *         a list of dom elements that were found\n     *\n     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)\n     */\n    ;\n\n    _proto.$$ = function $$$1(selector, context) {\n      return $$(selector, context || this.contentEl());\n    }\n    /**\n     * Check if a component's element has a CSS class name.\n     *\n     * @param {string} classToCheck\n     *        CSS class name to check.\n     *\n     * @return {boolean}\n     *         - True if the `Component` has the class.\n     *         - False if the `Component` does not have the class`\n     */\n    ;\n\n    _proto.hasClass = function hasClass$1(classToCheck) {\n      return hasClass(this.el_, classToCheck);\n    }\n    /**\n     * Add a CSS class name to the `Component`s element.\n     *\n     * @param {string} classToAdd\n     *        CSS class name to add\n     */\n    ;\n\n    _proto.addClass = function addClass$1(classToAdd) {\n      addClass(this.el_, classToAdd);\n    }\n    /**\n     * Remove a CSS class name from the `Component`s element.\n     *\n     * @param {string} classToRemove\n     *        CSS class name to remove\n     */\n    ;\n\n    _proto.removeClass = function removeClass$1(classToRemove) {\n      removeClass(this.el_, classToRemove);\n    }\n    /**\n     * Add or remove a CSS class name from the component's element.\n     * - `classToToggle` gets added when {@link Component#hasClass} would return false.\n     * - `classToToggle` gets removed when {@link Component#hasClass} would return true.\n     *\n     * @param  {string} classToToggle\n     *         The class to add or remove based on (@link Component#hasClass}\n     *\n     * @param  {boolean|Dom~predicate} [predicate]\n     *         An {@link Dom~predicate} function or a boolean\n     */\n    ;\n\n    _proto.toggleClass = function toggleClass$1(classToToggle, predicate) {\n      toggleClass(this.el_, classToToggle, predicate);\n    }\n    /**\n     * Show the `Component`s element if it is hidden by removing the\n     * 'vjs-hidden' class name from it.\n     */\n    ;\n\n    _proto.show = function show() {\n      this.removeClass('vjs-hidden');\n    }\n    /**\n     * Hide the `Component`s element if it is currently showing by adding the\n     * 'vjs-hidden` class name to it.\n     */\n    ;\n\n    _proto.hide = function hide() {\n      this.addClass('vjs-hidden');\n    }\n    /**\n     * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'\n     * class name to it. Used during fadeIn/fadeOut.\n     *\n     * @private\n     */\n    ;\n\n    _proto.lockShowing = function lockShowing() {\n      this.addClass('vjs-lock-showing');\n    }\n    /**\n     * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'\n     * class name from it. Used during fadeIn/fadeOut.\n     *\n     * @private\n     */\n    ;\n\n    _proto.unlockShowing = function unlockShowing() {\n      this.removeClass('vjs-lock-showing');\n    }\n    /**\n     * Get the value of an attribute on the `Component`s element.\n     *\n     * @param {string} attribute\n     *        Name of the attribute to get the value from.\n     *\n     * @return {string|null}\n     *         - The value of the attribute that was asked for.\n     *         - Can be an empty string on some browsers if the attribute does not exist\n     *           or has no value\n     *         - Most browsers will return null if the attibute does not exist or has\n     *           no value.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}\n     */\n    ;\n\n    _proto.getAttribute = function getAttribute$1(attribute) {\n      return getAttribute(this.el_, attribute);\n    }\n    /**\n     * Set the value of an attribute on the `Component`'s element\n     *\n     * @param {string} attribute\n     *        Name of the attribute to set.\n     *\n     * @param {string} value\n     *        Value to set the attribute to.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}\n     */\n    ;\n\n    _proto.setAttribute = function setAttribute$1(attribute, value) {\n      setAttribute(this.el_, attribute, value);\n    }\n    /**\n     * Remove an attribute from the `Component`s element.\n     *\n     * @param {string} attribute\n     *        Name of the attribute to remove.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}\n     */\n    ;\n\n    _proto.removeAttribute = function removeAttribute$1(attribute) {\n      removeAttribute(this.el_, attribute);\n    }\n    /**\n     * Get or set the width of the component based upon the CSS styles.\n     * See {@link Component#dimension} for more detailed information.\n     *\n     * @param {number|string} [num]\n     *        The width that you want to set postfixed with '%', 'px' or nothing.\n     *\n     * @param {boolean} [skipListeners]\n     *        Skip the componentresize event trigger\n     *\n     * @return {number|string}\n     *         The width when getting, zero if there is no width. Can be a string\n     *           postpixed with '%' or 'px'.\n     */\n    ;\n\n    _proto.width = function width(num, skipListeners) {\n      return this.dimension('width', num, skipListeners);\n    }\n    /**\n     * Get or set the height of the component based upon the CSS styles.\n     * See {@link Component#dimension} for more detailed information.\n     *\n     * @param {number|string} [num]\n     *        The height that you want to set postfixed with '%', 'px' or nothing.\n     *\n     * @param {boolean} [skipListeners]\n     *        Skip the componentresize event trigger\n     *\n     * @return {number|string}\n     *         The width when getting, zero if there is no width. Can be a string\n     *         postpixed with '%' or 'px'.\n     */\n    ;\n\n    _proto.height = function height(num, skipListeners) {\n      return this.dimension('height', num, skipListeners);\n    }\n    /**\n     * Set both the width and height of the `Component` element at the same time.\n     *\n     * @param  {number|string} width\n     *         Width to set the `Component`s element to.\n     *\n     * @param  {number|string} height\n     *         Height to set the `Component`s element to.\n     */\n    ;\n\n    _proto.dimensions = function dimensions(width, height) {\n      // Skip componentresize listeners on width for optimization\n      this.width(width, true);\n      this.height(height);\n    }\n    /**\n     * Get or set width or height of the `Component` element. This is the shared code\n     * for the {@link Component#width} and {@link Component#height}.\n     *\n     * Things to know:\n     * - If the width or height in an number this will return the number postfixed with 'px'.\n     * - If the width/height is a percent this will return the percent postfixed with '%'\n     * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function\n     *   defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.\n     *   See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}\n     *   for more information\n     * - If you want the computed style of the component, use {@link Component#currentWidth}\n     *   and {@link {Component#currentHeight}\n     *\n     * @fires Component#componentresize\n     *\n     * @param {string} widthOrHeight\n     8        'width' or 'height'\n     *\n     * @param  {number|string} [num]\n     8         New dimension\n     *\n     * @param  {boolean} [skipListeners]\n     *         Skip componentresize event trigger\n     *\n     * @return {number}\n     *         The dimension when getting or 0 if unset\n     */\n    ;\n\n    _proto.dimension = function dimension(widthOrHeight, num, skipListeners) {\n      if (num !== undefined) {\n        // Set to zero if null or literally NaN (NaN !== NaN)\n        if (num === null || num !== num) {\n          num = 0;\n        } // Check if using css width/height (% or px) and adjust\n\n\n        if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {\n          this.el_.style[widthOrHeight] = num;\n        } else if (num === 'auto') {\n          this.el_.style[widthOrHeight] = '';\n        } else {\n          this.el_.style[widthOrHeight] = num + 'px';\n        } // skipListeners allows us to avoid triggering the resize event when setting both width and height\n\n\n        if (!skipListeners) {\n          /**\n           * Triggered when a component is resized.\n           *\n           * @event Component#componentresize\n           * @type {EventTarget~Event}\n           */\n          this.trigger('componentresize');\n        }\n\n        return;\n      } // Not setting a value, so getting it\n      // Make sure element exists\n\n\n      if (!this.el_) {\n        return 0;\n      } // Get dimension value from style\n\n\n      var val = this.el_.style[widthOrHeight];\n      var pxIndex = val.indexOf('px');\n\n      if (pxIndex !== -1) {\n        // Return the pixel value with no 'px'\n        return parseInt(val.slice(0, pxIndex), 10);\n      } // No px so using % or no style was set, so falling back to offsetWidth/height\n      // If component has display:none, offset will return 0\n      // TODO: handle display:none and no dimension style using px\n\n\n      return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);\n    }\n    /**\n     * Get the computed width or the height of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @param {string} widthOrHeight\n     *        A string containing 'width' or 'height'. Whichever one you want to get.\n     *\n     * @return {number}\n     *         The dimension that gets asked for or 0 if nothing was set\n     *         for that dimension.\n     */\n    ;\n\n    _proto.currentDimension = function currentDimension(widthOrHeight) {\n      var computedWidthOrHeight = 0;\n\n      if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {\n        throw new Error('currentDimension only accepts width or height value');\n      }\n\n      computedWidthOrHeight = computedStyle(this.el_, widthOrHeight); // remove 'px' from variable and parse as integer\n\n      computedWidthOrHeight = parseFloat(computedWidthOrHeight); // if the computed value is still 0, it's possible that the browser is lying\n      // and we want to check the offset values.\n      // This code also runs wherever getComputedStyle doesn't exist.\n\n      if (computedWidthOrHeight === 0 || isNaN(computedWidthOrHeight)) {\n        var rule = \"offset\" + toTitleCase(widthOrHeight);\n        computedWidthOrHeight = this.el_[rule];\n      }\n\n      return computedWidthOrHeight;\n    }\n    /**\n     * An object that contains width and height values of the `Component`s\n     * computed style. Uses `window.getComputedStyle`.\n     *\n     * @typedef {Object} Component~DimensionObject\n     *\n     * @property {number} width\n     *           The width of the `Component`s computed style.\n     *\n     * @property {number} height\n     *           The height of the `Component`s computed style.\n     */\n\n    /**\n     * Get an object that contains computed width and height values of the\n     * component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {Component~DimensionObject}\n     *         The computed dimensions of the component's element.\n     */\n    ;\n\n    _proto.currentDimensions = function currentDimensions() {\n      return {\n        width: this.currentDimension('width'),\n        height: this.currentDimension('height')\n      };\n    }\n    /**\n     * Get the computed width of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {number}\n     *         The computed width of the component's element.\n     */\n    ;\n\n    _proto.currentWidth = function currentWidth() {\n      return this.currentDimension('width');\n    }\n    /**\n     * Get the computed height of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {number}\n     *         The computed height of the component's element.\n     */\n    ;\n\n    _proto.currentHeight = function currentHeight() {\n      return this.currentDimension('height');\n    }\n    /**\n     * Set the focus to this component\n     */\n    ;\n\n    _proto.focus = function focus() {\n      this.el_.focus();\n    }\n    /**\n     * Remove the focus from this component\n     */\n    ;\n\n    _proto.blur = function blur() {\n      this.el_.blur();\n    }\n    /**\n     * When this Component receives a `keydown` event which it does not process,\n     *  it passes the event to the Player for handling.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (this.player_) {\n        // We only stop propagation here because we want unhandled events to fall\n        // back to the browser.\n        event.stopPropagation();\n        this.player_.handleKeyDown(event);\n      }\n    }\n    /**\n     * Many components used to have a `handleKeyPress` method, which was poorly\n     * named because it listened to a `keydown` event. This method name now\n     * delegates to `handleKeyDown`. This means anyone calling `handleKeyPress`\n     * will not see their method calls stop working.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleKeyPress = function handleKeyPress(event) {\n      this.handleKeyDown(event);\n    }\n    /**\n     * Emit a 'tap' events when touch event support gets detected. This gets used to\n     * support toggling the controls through a tap on the video. They get enabled\n     * because every sub-component would have extra overhead otherwise.\n     *\n     * @private\n     * @fires Component#tap\n     * @listens Component#touchstart\n     * @listens Component#touchmove\n     * @listens Component#touchleave\n     * @listens Component#touchcancel\n     * @listens Component#touchend\n      */\n    ;\n\n    _proto.emitTapEvents = function emitTapEvents() {\n      // Track the start time so we can determine how long the touch lasted\n      var touchStart = 0;\n      var firstTouch = null; // Maximum movement allowed during a touch event to still be considered a tap\n      // Other popular libs use anywhere from 2 (hammer.js) to 15,\n      // so 10 seems like a nice, round number.\n\n      var tapMovementThreshold = 10; // The maximum length a touch can be while still being considered a tap\n\n      var touchTimeThreshold = 200;\n      var couldBeTap;\n      this.on('touchstart', function (event) {\n        // If more than one finger, don't consider treating this as a click\n        if (event.touches.length === 1) {\n          // Copy pageX/pageY from the object\n          firstTouch = {\n            pageX: event.touches[0].pageX,\n            pageY: event.touches[0].pageY\n          }; // Record start time so we can detect a tap vs. \"touch and hold\"\n\n          touchStart = window$3.performance.now(); // Reset couldBeTap tracking\n\n          couldBeTap = true;\n        }\n      });\n      this.on('touchmove', function (event) {\n        // If more than one finger, don't consider treating this as a click\n        if (event.touches.length > 1) {\n          couldBeTap = false;\n        } else if (firstTouch) {\n          // Some devices will throw touchmoves for all but the slightest of taps.\n          // So, if we moved only a small distance, this could still be a tap\n          var xdiff = event.touches[0].pageX - firstTouch.pageX;\n          var ydiff = event.touches[0].pageY - firstTouch.pageY;\n          var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);\n\n          if (touchDistance > tapMovementThreshold) {\n            couldBeTap = false;\n          }\n        }\n      });\n\n      var noTap = function noTap() {\n        couldBeTap = false;\n      }; // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s\n\n\n      this.on('touchleave', noTap);\n      this.on('touchcancel', noTap); // When the touch ends, measure how long it took and trigger the appropriate\n      // event\n\n      this.on('touchend', function (event) {\n        firstTouch = null; // Proceed only if the touchmove/leave/cancel event didn't happen\n\n        if (couldBeTap === true) {\n          // Measure how long the touch lasted\n          var touchTime = window$3.performance.now() - touchStart; // Make sure the touch was less than the threshold to be considered a tap\n\n          if (touchTime < touchTimeThreshold) {\n            // Don't let browser turn this into a click\n            event.preventDefault();\n            /**\n             * Triggered when a `Component` is tapped.\n             *\n             * @event Component#tap\n             * @type {EventTarget~Event}\n             */\n\n            this.trigger('tap'); // It may be good to copy the touchend event object and change the\n            // type to tap, if the other event properties aren't exact after\n            // Events.fixEvent runs (e.g. event.target)\n          }\n        }\n      });\n    }\n    /**\n     * This function reports user activity whenever touch events happen. This can get\n     * turned off by any sub-components that wants touch events to act another way.\n     *\n     * Report user touch activity when touch events occur. User activity gets used to\n     * determine when controls should show/hide. It is simple when it comes to mouse\n     * events, because any mouse event should show the controls. So we capture mouse\n     * events that bubble up to the player and report activity when that happens.\n     * With touch events it isn't as easy as `touchstart` and `touchend` toggle player\n     * controls. So touch events can't help us at the player level either.\n     *\n     * User activity gets checked asynchronously. So what could happen is a tap event\n     * on the video turns the controls off. Then the `touchend` event bubbles up to\n     * the player. Which, if it reported user activity, would turn the controls right\n     * back on. We also don't want to completely block touch events from bubbling up.\n     * Furthermore a `touchmove` event and anything other than a tap, should not turn\n     * controls back on.\n     *\n     * @listens Component#touchstart\n     * @listens Component#touchmove\n     * @listens Component#touchend\n     * @listens Component#touchcancel\n     */\n    ;\n\n    _proto.enableTouchActivity = function enableTouchActivity() {\n      // Don't continue if the root player doesn't support reporting user activity\n      if (!this.player() || !this.player().reportUserActivity) {\n        return;\n      } // listener for reporting that the user is active\n\n\n      var report = bind(this.player(), this.player().reportUserActivity);\n      var touchHolding;\n      this.on('touchstart', function () {\n        report(); // For as long as the they are touching the device or have their mouse down,\n        // we consider them active even if they're not moving their finger or mouse.\n        // So we want to continue to update that they are active\n\n        this.clearInterval(touchHolding); // report at the same interval as activityCheck\n\n        touchHolding = this.setInterval(report, 250);\n      });\n\n      var touchEnd = function touchEnd(event) {\n        report(); // stop the interval that maintains activity if the touch is holding\n\n        this.clearInterval(touchHolding);\n      };\n\n      this.on('touchmove', report);\n      this.on('touchend', touchEnd);\n      this.on('touchcancel', touchEnd);\n    }\n    /**\n     * A callback that has no parameters and is bound into `Component`s context.\n     *\n     * @callback Component~GenericCallback\n     * @this Component\n     */\n\n    /**\n     * Creates a function that runs after an `x` millisecond timeout. This function is a\n     * wrapper around `window.setTimeout`. There are a few reasons to use this one\n     * instead though:\n     * 1. It gets cleared via  {@link Component#clearTimeout} when\n     *    {@link Component#dispose} gets called.\n     * 2. The function callback will gets turned into a {@link Component~GenericCallback}\n     *\n     * > Note: You can't use `window.clearTimeout` on the id returned by this function. This\n     *         will cause its dispose listener not to get cleaned up! Please use\n     *         {@link Component#clearTimeout} or {@link Component#dispose} instead.\n     *\n     * @param {Component~GenericCallback} fn\n     *        The function that will be run after `timeout`.\n     *\n     * @param {number} timeout\n     *        Timeout in milliseconds to delay before executing the specified function.\n     *\n     * @return {number}\n     *         Returns a timeout ID that gets used to identify the timeout. It can also\n     *         get used in {@link Component#clearTimeout} to clear the timeout that\n     *         was set.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}\n     */\n    ;\n\n    _proto.setTimeout = function setTimeout(fn, timeout) {\n      var _this2 = this;\n\n      // declare as variables so they are properly available in timeout function\n      // eslint-disable-next-line\n      var timeoutId;\n      fn = bind(this, fn);\n      this.clearTimersOnDispose_();\n      timeoutId = window$3.setTimeout(function () {\n        if (_this2.setTimeoutIds_.has(timeoutId)) {\n          _this2.setTimeoutIds_[\"delete\"](timeoutId);\n        }\n\n        fn();\n      }, timeout);\n      this.setTimeoutIds_.add(timeoutId);\n      return timeoutId;\n    }\n    /**\n     * Clears a timeout that gets created via `window.setTimeout` or\n     * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}\n     * use this function instead of `window.clearTimout`. If you don't your dispose\n     * listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} timeoutId\n     *        The id of the timeout to clear. The return value of\n     *        {@link Component#setTimeout} or `window.setTimeout`.\n     *\n     * @return {number}\n     *         Returns the timeout id that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}\n     */\n    ;\n\n    _proto.clearTimeout = function clearTimeout(timeoutId) {\n      if (this.setTimeoutIds_.has(timeoutId)) {\n        this.setTimeoutIds_[\"delete\"](timeoutId);\n        window$3.clearTimeout(timeoutId);\n      }\n\n      return timeoutId;\n    }\n    /**\n     * Creates a function that gets run every `x` milliseconds. This function is a wrapper\n     * around `window.setInterval`. There are a few reasons to use this one instead though.\n     * 1. It gets cleared via  {@link Component#clearInterval} when\n     *    {@link Component#dispose} gets called.\n     * 2. The function callback will be a {@link Component~GenericCallback}\n     *\n     * @param {Component~GenericCallback} fn\n     *        The function to run every `x` seconds.\n     *\n     * @param {number} interval\n     *        Execute the specified function every `x` milliseconds.\n     *\n     * @return {number}\n     *         Returns an id that can be used to identify the interval. It can also be be used in\n     *         {@link Component#clearInterval} to clear the interval.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}\n     */\n    ;\n\n    _proto.setInterval = function setInterval(fn, interval) {\n      fn = bind(this, fn);\n      this.clearTimersOnDispose_();\n      var intervalId = window$3.setInterval(fn, interval);\n      this.setIntervalIds_.add(intervalId);\n      return intervalId;\n    }\n    /**\n     * Clears an interval that gets created via `window.setInterval` or\n     * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}\n     * use this function instead of `window.clearInterval`. If you don't your dispose\n     * listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} intervalId\n     *        The id of the interval to clear. The return value of\n     *        {@link Component#setInterval} or `window.setInterval`.\n     *\n     * @return {number}\n     *         Returns the interval id that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}\n     */\n    ;\n\n    _proto.clearInterval = function clearInterval(intervalId) {\n      if (this.setIntervalIds_.has(intervalId)) {\n        this.setIntervalIds_[\"delete\"](intervalId);\n        window$3.clearInterval(intervalId);\n      }\n\n      return intervalId;\n    }\n    /**\n     * Queues up a callback to be passed to requestAnimationFrame (rAF), but\n     * with a few extra bonuses:\n     *\n     * - Supports browsers that do not support rAF by falling back to\n     *   {@link Component#setTimeout}.\n     *\n     * - The callback is turned into a {@link Component~GenericCallback} (i.e.\n     *   bound to the component).\n     *\n     * - Automatic cancellation of the rAF callback is handled if the component\n     *   is disposed before it is called.\n     *\n     * @param  {Component~GenericCallback} fn\n     *         A function that will be bound to this component and executed just\n     *         before the browser's next repaint.\n     *\n     * @return {number}\n     *         Returns an rAF ID that gets used to identify the timeout. It can\n     *         also be used in {@link Component#cancelAnimationFrame} to cancel\n     *         the animation frame callback.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}\n     */\n    ;\n\n    _proto.requestAnimationFrame = function requestAnimationFrame(fn) {\n      var _this3 = this;\n\n      // Fall back to using a timer.\n      if (!this.supportsRaf_) {\n        return this.setTimeout(fn, 1000 / 60);\n      }\n\n      this.clearTimersOnDispose_(); // declare as variables so they are properly available in rAF function\n      // eslint-disable-next-line\n\n      var id;\n      fn = bind(this, fn);\n      id = window$3.requestAnimationFrame(function () {\n        if (_this3.rafIds_.has(id)) {\n          _this3.rafIds_[\"delete\"](id);\n        }\n\n        fn();\n      });\n      this.rafIds_.add(id);\n      return id;\n    }\n    /**\n     * Cancels a queued callback passed to {@link Component#requestAnimationFrame}\n     * (rAF).\n     *\n     * If you queue an rAF callback via {@link Component#requestAnimationFrame},\n     * use this function instead of `window.cancelAnimationFrame`. If you don't,\n     * your dispose listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} id\n     *        The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.\n     *\n     * @return {number}\n     *         Returns the rAF ID that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}\n     */\n    ;\n\n    _proto.cancelAnimationFrame = function cancelAnimationFrame(id) {\n      // Fall back to using a timer.\n      if (!this.supportsRaf_) {\n        return this.clearTimeout(id);\n      }\n\n      if (this.rafIds_.has(id)) {\n        this.rafIds_[\"delete\"](id);\n        window$3.cancelAnimationFrame(id);\n      }\n\n      return id;\n    }\n    /**\n     * A function to setup `requestAnimationFrame`, `setTimeout`,\n     * and `setInterval`, clearing on dispose.\n     *\n     * > Previously each timer added and removed dispose listeners on it's own.\n     * For better performance it was decided to batch them all, and use `Set`s\n     * to track outstanding timer ids.\n     *\n     * @private\n     */\n    ;\n\n    _proto.clearTimersOnDispose_ = function clearTimersOnDispose_() {\n      var _this4 = this;\n\n      if (this.clearingTimersOnDispose_) {\n        return;\n      }\n\n      this.clearingTimersOnDispose_ = true;\n      this.one('dispose', function () {\n        [['rafIds_', 'cancelAnimationFrame'], ['setTimeoutIds_', 'clearTimeout'], ['setIntervalIds_', 'clearInterval']].forEach(function (_ref) {\n          var idName = _ref[0],\n              cancelName = _ref[1];\n\n          _this4[idName].forEach(_this4[cancelName], _this4);\n        });\n        _this4.clearingTimersOnDispose_ = false;\n      });\n    }\n    /**\n     * Register a `Component` with `videojs` given the name and the component.\n     *\n     * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s\n     *         should be registered using {@link Tech.registerTech} or\n     *         {@link videojs:videojs.registerTech}.\n     *\n     * > NOTE: This function can also be seen on videojs as\n     *         {@link videojs:videojs.registerComponent}.\n     *\n     * @param {string} name\n     *        The name of the `Component` to register.\n     *\n     * @param {Component} ComponentToRegister\n     *        The `Component` class to register.\n     *\n     * @return {Component}\n     *         The `Component` that was registered.\n     */\n    ;\n\n    Component.registerComponent = function registerComponent(name, ComponentToRegister) {\n      if (typeof name !== 'string' || !name) {\n        throw new Error(\"Illegal component name, \\\"\" + name + \"\\\"; must be a non-empty string.\");\n      }\n\n      var Tech = Component.getComponent('Tech'); // We need to make sure this check is only done if Tech has been registered.\n\n      var isTech = Tech && Tech.isTech(ComponentToRegister);\n      var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);\n\n      if (isTech || !isComp) {\n        var reason;\n\n        if (isTech) {\n          reason = 'techs must be registered using Tech.registerTech()';\n        } else {\n          reason = 'must be a Component subclass';\n        }\n\n        throw new Error(\"Illegal component, \\\"\" + name + \"\\\"; \" + reason + \".\");\n      }\n\n      name = toTitleCase(name);\n\n      if (!Component.components_) {\n        Component.components_ = {};\n      }\n\n      var Player = Component.getComponent('Player');\n\n      if (name === 'Player' && Player && Player.players) {\n        var players = Player.players;\n        var playerNames = Object.keys(players); // If we have players that were disposed, then their name will still be\n        // in Players.players. So, we must loop through and verify that the value\n        // for each item is not null. This allows registration of the Player component\n        // after all players have been disposed or before any were created.\n\n        if (players && playerNames.length > 0 && playerNames.map(function (pname) {\n          return players[pname];\n        }).every(Boolean)) {\n          throw new Error('Can not register Player component after player has been created.');\n        }\n      }\n\n      Component.components_[name] = ComponentToRegister;\n      Component.components_[toLowerCase(name)] = ComponentToRegister;\n      return ComponentToRegister;\n    }\n    /**\n     * Get a `Component` based on the name it was registered with.\n     *\n     * @param {string} name\n     *        The Name of the component to get.\n     *\n     * @return {Component}\n     *         The `Component` that got registered under the given name.\n     *\n     * @deprecated In `videojs` 6 this will not return `Component`s that were not\n     *             registered using {@link Component.registerComponent}. Currently we\n     *             check the global `videojs` object for a `Component` name and\n     *             return that if it exists.\n     */\n    ;\n\n    Component.getComponent = function getComponent(name) {\n      if (!name || !Component.components_) {\n        return;\n      }\n\n      return Component.components_[name];\n    };\n\n    return Component;\n  }();\n  /**\n   * Whether or not this component supports `requestAnimationFrame`.\n   *\n   * This is exposed primarily for testing purposes.\n   *\n   * @private\n   * @type {Boolean}\n   */\n\n\n  Component.prototype.supportsRaf_ = typeof window$3.requestAnimationFrame === 'function' && typeof window$3.cancelAnimationFrame === 'function';\n  Component.registerComponent('Component', Component);\n\n  function _assertThisInitialized(self) {\n    if (self === void 0) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return self;\n  }\n\n  var assertThisInitialized = _assertThisInitialized;\n\n  var _typeof_1 = createCommonjsModule(function (module) {\n    function _typeof(obj) {\n      \"@babel/helpers - typeof\";\n\n      if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n        module.exports = _typeof = function _typeof(obj) {\n          return typeof obj;\n        };\n      } else {\n        module.exports = _typeof = function _typeof(obj) {\n          return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n        };\n      }\n\n      return _typeof(obj);\n    }\n\n    module.exports = _typeof;\n  });\n\n  var getPrototypeOf = createCommonjsModule(function (module) {\n    function _getPrototypeOf(o) {\n      module.exports = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {\n        return o.__proto__ || Object.getPrototypeOf(o);\n      };\n      return _getPrototypeOf(o);\n    }\n\n    module.exports = _getPrototypeOf;\n  });\n\n  function _inheritsLoose(subClass, superClass) {\n    subClass.prototype = Object.create(superClass.prototype);\n    subClass.prototype.constructor = subClass;\n    subClass.__proto__ = superClass;\n  }\n\n  var inheritsLoose = _inheritsLoose;\n\n  /**\n   * @file browser.js\n   * @module browser\n   */\n  var USER_AGENT = window$3.navigator && window$3.navigator.userAgent || '';\n  var webkitVersionMap = /AppleWebKit\\/([\\d.]+)/i.exec(USER_AGENT);\n  var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;\n  /**\n   * Whether or not this device is an iPod.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IPOD = /iPod/i.test(USER_AGENT);\n  /**\n   * The detected iOS version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {string|null}\n   */\n\n  var IOS_VERSION = function () {\n    var match = USER_AGENT.match(/OS (\\d+)_/i);\n\n    if (match && match[1]) {\n      return match[1];\n    }\n\n    return null;\n  }();\n  /**\n   * Whether or not this is an Android device.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_ANDROID = /Android/i.test(USER_AGENT);\n  /**\n   * The detected Android version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|string|null}\n   */\n\n  var ANDROID_VERSION = function () {\n    // This matches Android Major.Minor.Patch versions\n    // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned\n    var match = USER_AGENT.match(/Android (\\d+)(?:\\.(\\d+))?(?:\\.(\\d+))*/i);\n\n    if (!match) {\n      return null;\n    }\n\n    var major = match[1] && parseFloat(match[1]);\n    var minor = match[2] && parseFloat(match[2]);\n\n    if (major && minor) {\n      return parseFloat(match[1] + '.' + match[2]);\n    } else if (major) {\n      return major;\n    }\n\n    return null;\n  }();\n  /**\n   * Whether or not this is a native Android browser.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;\n  /**\n   * Whether or not this is Mozilla Firefox.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_FIREFOX = /Firefox/i.test(USER_AGENT);\n  /**\n   * Whether or not this is Microsoft Edge.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_EDGE = /Edg/i.test(USER_AGENT);\n  /**\n   * Whether or not this is Google Chrome.\n   *\n   * This will also be `true` for Chrome on iOS, which will have different support\n   * as it is actually Safari under the hood.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT));\n  /**\n   * The detected Google Chrome version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|null}\n   */\n\n  var CHROME_VERSION = function () {\n    var match = USER_AGENT.match(/(Chrome|CriOS)\\/(\\d+)/);\n\n    if (match && match[2]) {\n      return parseFloat(match[2]);\n    }\n\n    return null;\n  }();\n  /**\n   * The detected Internet Explorer version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|null}\n   */\n\n  var IE_VERSION = function () {\n    var result = /MSIE\\s(\\d+)\\.\\d/.exec(USER_AGENT);\n    var version = result && parseFloat(result[1]);\n\n    if (!version && /Trident\\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {\n      // IE 11 has a different user agent string than other IE versions\n      version = 11.0;\n    }\n\n    return version;\n  }();\n  /**\n   * Whether or not this is desktop Safari.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;\n  /**\n   * Whether or not this is a Windows machine.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_WINDOWS = /Windows/i.test(USER_AGENT);\n  /**\n   * Whether or not this device is touch-enabled.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var TOUCH_ENABLED = isReal() && ('ontouchstart' in window$3 || window$3.navigator.maxTouchPoints || window$3.DocumentTouch && window$3.document instanceof window$3.DocumentTouch);\n  /**\n   * Whether or not this device is an iPad.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IPAD = /iPad/i.test(USER_AGENT) || IS_SAFARI && TOUCH_ENABLED && !/iPhone/i.test(USER_AGENT);\n  /**\n   * Whether or not this device is an iPhone.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n  // The Facebook app's UIWebView identifies as both an iPhone and iPad, so\n  // to identify iPhones, we need to exclude iPads.\n  // http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/\n\n  var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;\n  /**\n   * Whether or not this is an iOS device.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;\n  /**\n   * Whether or not this is any flavor of Safari - including iOS.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;\n\n  var browser = /*#__PURE__*/Object.freeze({\n    IS_IPOD: IS_IPOD,\n    IOS_VERSION: IOS_VERSION,\n    IS_ANDROID: IS_ANDROID,\n    ANDROID_VERSION: ANDROID_VERSION,\n    IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,\n    IS_FIREFOX: IS_FIREFOX,\n    IS_EDGE: IS_EDGE,\n    IS_CHROME: IS_CHROME,\n    CHROME_VERSION: CHROME_VERSION,\n    IE_VERSION: IE_VERSION,\n    IS_SAFARI: IS_SAFARI,\n    IS_WINDOWS: IS_WINDOWS,\n    TOUCH_ENABLED: TOUCH_ENABLED,\n    IS_IPAD: IS_IPAD,\n    IS_IPHONE: IS_IPHONE,\n    IS_IOS: IS_IOS,\n    IS_ANY_SAFARI: IS_ANY_SAFARI\n  });\n\n  /**\n   * @file time-ranges.js\n   * @module time-ranges\n   */\n\n  /**\n   * Returns the time for the specified index at the start or end\n   * of a TimeRange object.\n   *\n   * @typedef    {Function} TimeRangeIndex\n   *\n   * @param      {number} [index=0]\n   *             The range number to return the time for.\n   *\n   * @return     {number}\n   *             The time offset at the specified index.\n   *\n   * @deprecated The index argument must be provided.\n   *             In the future, leaving it out will throw an error.\n   */\n\n  /**\n   * An object that contains ranges of time.\n   *\n   * @typedef  {Object} TimeRange\n   *\n   * @property {number} length\n   *           The number of time ranges represented by this object.\n   *\n   * @property {module:time-ranges~TimeRangeIndex} start\n   *           Returns the time offset at which a specified time range begins.\n   *\n   * @property {module:time-ranges~TimeRangeIndex} end\n   *           Returns the time offset at which a specified time range ends.\n   *\n   * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges\n   */\n\n  /**\n   * Check if any of the time ranges are over the maximum index.\n   *\n   * @private\n   * @param   {string} fnName\n   *          The function name to use for logging\n   *\n   * @param   {number} index\n   *          The index to check\n   *\n   * @param   {number} maxIndex\n   *          The maximum possible index\n   *\n   * @throws  {Error} if the timeRanges provided are over the maxIndex\n   */\n  function rangeCheck(fnName, index, maxIndex) {\n    if (typeof index !== 'number' || index < 0 || index > maxIndex) {\n      throw new Error(\"Failed to execute '\" + fnName + \"' on 'TimeRanges': The index provided (\" + index + \") is non-numeric or out of bounds (0-\" + maxIndex + \").\");\n    }\n  }\n  /**\n   * Get the time for the specified index at the start or end\n   * of a TimeRange object.\n   *\n   * @private\n   * @param      {string} fnName\n   *             The function name to use for logging\n   *\n   * @param      {string} valueIndex\n   *             The property that should be used to get the time. should be\n   *             'start' or 'end'\n   *\n   * @param      {Array} ranges\n   *             An array of time ranges\n   *\n   * @param      {Array} [rangeIndex=0]\n   *             The index to start the search at\n   *\n   * @return     {number}\n   *             The time that offset at the specified index.\n   *\n   * @deprecated rangeIndex must be set to a value, in the future this will throw an error.\n   * @throws     {Error} if rangeIndex is more than the length of ranges\n   */\n\n\n  function getRange(fnName, valueIndex, ranges, rangeIndex) {\n    rangeCheck(fnName, rangeIndex, ranges.length - 1);\n    return ranges[rangeIndex][valueIndex];\n  }\n  /**\n   * Create a time range object given ranges of time.\n   *\n   * @private\n   * @param   {Array} [ranges]\n   *          An array of time ranges.\n   */\n\n\n  function createTimeRangesObj(ranges) {\n    if (ranges === undefined || ranges.length === 0) {\n      return {\n        length: 0,\n        start: function start() {\n          throw new Error('This TimeRanges object is empty');\n        },\n        end: function end() {\n          throw new Error('This TimeRanges object is empty');\n        }\n      };\n    }\n\n    return {\n      length: ranges.length,\n      start: getRange.bind(null, 'start', 0, ranges),\n      end: getRange.bind(null, 'end', 1, ranges)\n    };\n  }\n  /**\n   * Create a `TimeRange` object which mimics an\n   * {@link https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges|HTML5 TimeRanges instance}.\n   *\n   * @param {number|Array[]} start\n   *        The start of a single range (a number) or an array of ranges (an\n   *        array of arrays of two numbers each).\n   *\n   * @param {number} end\n   *        The end of a single range. Cannot be used with the array form of\n   *        the `start` argument.\n   */\n\n\n  function createTimeRanges(start, end) {\n    if (Array.isArray(start)) {\n      return createTimeRangesObj(start);\n    } else if (start === undefined || end === undefined) {\n      return createTimeRangesObj();\n    }\n\n    return createTimeRangesObj([[start, end]]);\n  }\n\n  /**\n   * @file buffer.js\n   * @module buffer\n   */\n  /**\n   * Compute the percentage of the media that has been buffered.\n   *\n   * @param {TimeRange} buffered\n   *        The current `TimeRange` object representing buffered time ranges\n   *\n   * @param {number} duration\n   *        Total duration of the media\n   *\n   * @return {number}\n   *         Percent buffered of the total duration in decimal form.\n   */\n\n  function bufferedPercent(buffered, duration) {\n    var bufferedDuration = 0;\n    var start;\n    var end;\n\n    if (!duration) {\n      return 0;\n    }\n\n    if (!buffered || !buffered.length) {\n      buffered = createTimeRanges(0, 0);\n    }\n\n    for (var i = 0; i < buffered.length; i++) {\n      start = buffered.start(i);\n      end = buffered.end(i); // buffered end can be bigger than duration by a very small fraction\n\n      if (end > duration) {\n        end = duration;\n      }\n\n      bufferedDuration += end - start;\n    }\n\n    return bufferedDuration / duration;\n  }\n\n  /**\n   * @file fullscreen-api.js\n   * @module fullscreen-api\n   * @private\n   */\n  /**\n   * Store the browser-specific methods for the fullscreen API.\n   *\n   * @type {Object}\n   * @see [Specification]{@link https://fullscreen.spec.whatwg.org}\n   * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}\n   */\n\n  var FullscreenApi = {\n    prefixed: true\n  }; // browser API methods\n\n  var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror', 'fullscreen'], // WebKit\n  ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror', '-webkit-full-screen'], // Mozilla\n  ['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror', '-moz-full-screen'], // Microsoft\n  ['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError', '-ms-fullscreen']];\n  var specApi = apiMap[0];\n  var browserApi; // determine the supported set of functions\n\n  for (var i = 0; i < apiMap.length; i++) {\n    // check for exitFullscreen function\n    if (apiMap[i][1] in document) {\n      browserApi = apiMap[i];\n      break;\n    }\n  } // map the browser API names to the spec API names\n\n\n  if (browserApi) {\n    for (var _i = 0; _i < browserApi.length; _i++) {\n      FullscreenApi[specApi[_i]] = browserApi[_i];\n    }\n\n    FullscreenApi.prefixed = browserApi[0] !== specApi[0];\n  }\n\n  /**\n   * @file media-error.js\n   */\n  /**\n   * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.\n   *\n   * @param {number|string|Object|MediaError} value\n   *        This can be of multiple types:\n   *        - number: should be a standard error code\n   *        - string: an error message (the code will be 0)\n   *        - Object: arbitrary properties\n   *        - `MediaError` (native): used to populate a video.js `MediaError` object\n   *        - `MediaError` (video.js): will return itself if it's already a\n   *          video.js `MediaError` object.\n   *\n   * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}\n   * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}\n   *\n   * @class MediaError\n   */\n\n  function MediaError(value) {\n    // Allow redundant calls to this constructor to avoid having `instanceof`\n    // checks peppered around the code.\n    if (value instanceof MediaError) {\n      return value;\n    }\n\n    if (typeof value === 'number') {\n      this.code = value;\n    } else if (typeof value === 'string') {\n      // default code is zero, so this is a custom error\n      this.message = value;\n    } else if (isObject(value)) {\n      // We assign the `code` property manually because native `MediaError` objects\n      // do not expose it as an own/enumerable property of the object.\n      if (typeof value.code === 'number') {\n        this.code = value.code;\n      }\n\n      assign(this, value);\n    }\n\n    if (!this.message) {\n      this.message = MediaError.defaultMessages[this.code] || '';\n    }\n  }\n  /**\n   * The error code that refers two one of the defined `MediaError` types\n   *\n   * @type {Number}\n   */\n\n\n  MediaError.prototype.code = 0;\n  /**\n   * An optional message that to show with the error. Message is not part of the HTML5\n   * video spec but allows for more informative custom errors.\n   *\n   * @type {String}\n   */\n\n  MediaError.prototype.message = '';\n  /**\n   * An optional status code that can be set by plugins to allow even more detail about\n   * the error. For example a plugin might provide a specific HTTP status code and an\n   * error message for that code. Then when the plugin gets that error this class will\n   * know how to display an error message for it. This allows a custom message to show\n   * up on the `Player` error overlay.\n   *\n   * @type {Array}\n   */\n\n  MediaError.prototype.status = null;\n  /**\n   * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the\n   * specification listed under {@link MediaError} for more information.\n   *\n   * @enum {array}\n   * @readonly\n   * @property {string} 0 - MEDIA_ERR_CUSTOM\n   * @property {string} 1 - MEDIA_ERR_ABORTED\n   * @property {string} 2 - MEDIA_ERR_NETWORK\n   * @property {string} 3 - MEDIA_ERR_DECODE\n   * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED\n   * @property {string} 5 - MEDIA_ERR_ENCRYPTED\n   */\n\n  MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];\n  /**\n   * The default `MediaError` messages based on the {@link MediaError.errorTypes}.\n   *\n   * @type {Array}\n   * @constant\n   */\n\n  MediaError.defaultMessages = {\n    1: 'You aborted the media playback',\n    2: 'A network error caused the media download to fail part-way.',\n    3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',\n    4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',\n    5: 'The media is encrypted and we do not have the keys to decrypt it.'\n  }; // Add types as properties on MediaError\n  // e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;\n\n  for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {\n    MediaError[MediaError.errorTypes[errNum]] = errNum; // values should be accessible on both the class and instance\n\n    MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;\n  } // jsdocs for instance/static members added above\n\n  var tuple = SafeParseTuple;\n\n  function SafeParseTuple(obj, reviver) {\n    var json;\n    var error = null;\n\n    try {\n      json = JSON.parse(obj, reviver);\n    } catch (err) {\n      error = err;\n    }\n\n    return [error, json];\n  }\n\n  /**\n   * Returns whether an object is `Promise`-like (i.e. has a `then` method).\n   *\n   * @param  {Object}  value\n   *         An object that may or may not be `Promise`-like.\n   *\n   * @return {boolean}\n   *         Whether or not the object is `Promise`-like.\n   */\n  function isPromise(value) {\n    return value !== undefined && value !== null && typeof value.then === 'function';\n  }\n  /**\n   * Silence a Promise-like object.\n   *\n   * This is useful for avoiding non-harmful, but potentially confusing \"uncaught\n   * play promise\" rejection error messages.\n   *\n   * @param  {Object} value\n   *         An object that may or may not be `Promise`-like.\n   */\n\n  function silencePromise(value) {\n    if (isPromise(value)) {\n      value.then(null, function (e) {});\n    }\n  }\n\n  /**\n   * @file text-track-list-converter.js Utilities for capturing text track state and\n   * re-creating tracks based on a capture.\n   *\n   * @module text-track-list-converter\n   */\n\n  /**\n   * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that\n   * represents the {@link TextTrack}'s state.\n   *\n   * @param {TextTrack} track\n   *        The text track to query.\n   *\n   * @return {Object}\n   *         A serializable javascript representation of the TextTrack.\n   * @private\n   */\n  var trackToJson_ = function trackToJson_(track) {\n    var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {\n      if (track[prop]) {\n        acc[prop] = track[prop];\n      }\n\n      return acc;\n    }, {\n      cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {\n        return {\n          startTime: cue.startTime,\n          endTime: cue.endTime,\n          text: cue.text,\n          id: cue.id\n        };\n      })\n    });\n    return ret;\n  };\n  /**\n   * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the\n   * state of all {@link TextTrack}s currently configured. The return array is compatible with\n   * {@link text-track-list-converter:jsonToTextTracks}.\n   *\n   * @param {Tech} tech\n   *        The tech object to query\n   *\n   * @return {Array}\n   *         A serializable javascript representation of the {@link Tech}s\n   *         {@link TextTrackList}.\n   */\n\n\n  var textTracksToJson = function textTracksToJson(tech) {\n    var trackEls = tech.$$('track');\n    var trackObjs = Array.prototype.map.call(trackEls, function (t) {\n      return t.track;\n    });\n    var tracks = Array.prototype.map.call(trackEls, function (trackEl) {\n      var json = trackToJson_(trackEl.track);\n\n      if (trackEl.src) {\n        json.src = trackEl.src;\n      }\n\n      return json;\n    });\n    return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {\n      return trackObjs.indexOf(track) === -1;\n    }).map(trackToJson_));\n  };\n  /**\n   * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript\n   * object {@link TextTrack} representations.\n   *\n   * @param {Array} json\n   *        An array of `TextTrack` representation objects, like those that would be\n   *        produced by `textTracksToJson`.\n   *\n   * @param {Tech} tech\n   *        The `Tech` to create the `TextTrack`s on.\n   */\n\n\n  var jsonToTextTracks = function jsonToTextTracks(json, tech) {\n    json.forEach(function (track) {\n      var addedTrack = tech.addRemoteTextTrack(track).track;\n\n      if (!track.src && track.cues) {\n        track.cues.forEach(function (cue) {\n          return addedTrack.addCue(cue);\n        });\n      }\n    });\n    return tech.textTracks();\n  };\n\n  var textTrackConverter = {\n    textTracksToJson: textTracksToJson,\n    jsonToTextTracks: jsonToTextTracks,\n    trackToJson_: trackToJson_\n  };\n\n  var keycode = createCommonjsModule(function (module, exports) {\n    // Source: http://jsfiddle.net/vWx8V/\n    // http://stackoverflow.com/questions/5603195/full-list-of-javascript-keycodes\n\n    /**\n     * Conenience method returns corresponding value for given keyName or keyCode.\n     *\n     * @param {Mixed} keyCode {Number} or keyName {String}\n     * @return {Mixed}\n     * @api public\n     */\n    function keyCode(searchInput) {\n      // Keyboard Events\n      if (searchInput && 'object' === typeof searchInput) {\n        var hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode;\n        if (hasKeyCode) searchInput = hasKeyCode;\n      } // Numbers\n\n\n      if ('number' === typeof searchInput) return names[searchInput]; // Everything else (cast to string)\n\n      var search = String(searchInput); // check codes\n\n      var foundNamedKey = codes[search.toLowerCase()];\n      if (foundNamedKey) return foundNamedKey; // check aliases\n\n      var foundNamedKey = aliases[search.toLowerCase()];\n      if (foundNamedKey) return foundNamedKey; // weird character?\n\n      if (search.length === 1) return search.charCodeAt(0);\n      return undefined;\n    }\n    /**\n     * Compares a keyboard event with a given keyCode or keyName.\n     *\n     * @param {Event} event Keyboard event that should be tested\n     * @param {Mixed} keyCode {Number} or keyName {String}\n     * @return {Boolean}\n     * @api public\n     */\n\n\n    keyCode.isEventKey = function isEventKey(event, nameOrCode) {\n      if (event && 'object' === typeof event) {\n        var keyCode = event.which || event.keyCode || event.charCode;\n\n        if (keyCode === null || keyCode === undefined) {\n          return false;\n        }\n\n        if (typeof nameOrCode === 'string') {\n          // check codes\n          var foundNamedKey = codes[nameOrCode.toLowerCase()];\n\n          if (foundNamedKey) {\n            return foundNamedKey === keyCode;\n          } // check aliases\n\n\n          var foundNamedKey = aliases[nameOrCode.toLowerCase()];\n\n          if (foundNamedKey) {\n            return foundNamedKey === keyCode;\n          }\n        } else if (typeof nameOrCode === 'number') {\n          return nameOrCode === keyCode;\n        }\n\n        return false;\n      }\n    };\n\n    exports = module.exports = keyCode;\n    /**\n     * Get by name\n     *\n     *   exports.code['enter'] // => 13\n     */\n\n    var codes = exports.code = exports.codes = {\n      'backspace': 8,\n      'tab': 9,\n      'enter': 13,\n      'shift': 16,\n      'ctrl': 17,\n      'alt': 18,\n      'pause/break': 19,\n      'caps lock': 20,\n      'esc': 27,\n      'space': 32,\n      'page up': 33,\n      'page down': 34,\n      'end': 35,\n      'home': 36,\n      'left': 37,\n      'up': 38,\n      'right': 39,\n      'down': 40,\n      'insert': 45,\n      'delete': 46,\n      'command': 91,\n      'left command': 91,\n      'right command': 93,\n      'numpad *': 106,\n      'numpad +': 107,\n      'numpad -': 109,\n      'numpad .': 110,\n      'numpad /': 111,\n      'num lock': 144,\n      'scroll lock': 145,\n      'my computer': 182,\n      'my calculator': 183,\n      ';': 186,\n      '=': 187,\n      ',': 188,\n      '-': 189,\n      '.': 190,\n      '/': 191,\n      '`': 192,\n      '[': 219,\n      '\\\\': 220,\n      ']': 221,\n      \"'\": 222\n    }; // Helper aliases\n\n    var aliases = exports.aliases = {\n      'windows': 91,\n      '⇧': 16,\n      '⌥': 18,\n      '⌃': 17,\n      '⌘': 91,\n      'ctl': 17,\n      'control': 17,\n      'option': 18,\n      'pause': 19,\n      'break': 19,\n      'caps': 20,\n      'return': 13,\n      'escape': 27,\n      'spc': 32,\n      'spacebar': 32,\n      'pgup': 33,\n      'pgdn': 34,\n      'ins': 45,\n      'del': 46,\n      'cmd': 91\n    };\n    /*!\n     * Programatically add the following\n     */\n    // lower case chars\n\n    for (i = 97; i < 123; i++) {\n      codes[String.fromCharCode(i)] = i - 32;\n    } // numbers\n\n\n    for (var i = 48; i < 58; i++) {\n      codes[i - 48] = i;\n    } // function keys\n\n\n    for (i = 1; i < 13; i++) {\n      codes['f' + i] = i + 111;\n    } // numpad keys\n\n\n    for (i = 0; i < 10; i++) {\n      codes['numpad ' + i] = i + 96;\n    }\n    /**\n     * Get by code\n     *\n     *   exports.name[13] // => 'Enter'\n     */\n\n\n    var names = exports.names = exports.title = {}; // title for backward compat\n    // Create reverse mapping\n\n    for (i in codes) {\n      names[codes[i]] = i;\n    } // Add aliases\n\n\n    for (var alias in aliases) {\n      codes[alias] = aliases[alias];\n    }\n  });\n  var keycode_1 = keycode.code;\n  var keycode_2 = keycode.codes;\n  var keycode_3 = keycode.aliases;\n  var keycode_4 = keycode.names;\n  var keycode_5 = keycode.title;\n\n  var MODAL_CLASS_NAME = 'vjs-modal-dialog';\n  /**\n   * The `ModalDialog` displays over the video and its controls, which blocks\n   * interaction with the player until it is closed.\n   *\n   * Modal dialogs include a \"Close\" button and will close when that button\n   * is activated - or when ESC is pressed anywhere.\n   *\n   * @extends Component\n   */\n\n  var ModalDialog = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ModalDialog, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Mixed} [options.content=undefined]\n     *        Provide customized content for this modal.\n     *\n     * @param {string} [options.description]\n     *        A text description for the modal, primarily for accessibility.\n     *\n     * @param {boolean} [options.fillAlways=false]\n     *        Normally, modals are automatically filled only the first time\n     *        they open. This tells the modal to refresh its content\n     *        every time it opens.\n     *\n     * @param {string} [options.label]\n     *        A text label for the modal, primarily for accessibility.\n     *\n     * @param {boolean} [options.pauseOnOpen=true]\n     *        If `true`, playback will will be paused if playing when\n     *        the modal opens, and resumed when it closes.\n     *\n     * @param {boolean} [options.temporary=true]\n     *        If `true`, the modal can only be opened once; it will be\n     *        disposed as soon as it's closed.\n     *\n     * @param {boolean} [options.uncloseable=false]\n     *        If `true`, the user will not be able to close the modal\n     *        through the UI in the normal ways. Programmatic closing is\n     *        still possible.\n     */\n    function ModalDialog(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;\n\n      _this.closeable(!_this.options_.uncloseable);\n\n      _this.content(_this.options_.content); // Make sure the contentEl is defined AFTER any children are initialized\n      // because we only want the contents of the modal in the contentEl\n      // (not the UI elements like the close button).\n\n\n      _this.contentEl_ = createEl('div', {\n        className: MODAL_CLASS_NAME + \"-content\"\n      }, {\n        role: 'document'\n      });\n      _this.descEl_ = createEl('p', {\n        className: MODAL_CLASS_NAME + \"-description vjs-control-text\",\n        id: _this.el().getAttribute('aria-describedby')\n      });\n      textContent(_this.descEl_, _this.description());\n\n      _this.el_.appendChild(_this.descEl_);\n\n      _this.el_.appendChild(_this.contentEl_);\n\n      return _this;\n    }\n    /**\n     * Create the `ModalDialog`'s DOM element\n     *\n     * @return {Element}\n     *         The DOM element that gets created.\n     */\n\n\n    var _proto = ModalDialog.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildCSSClass(),\n        tabIndex: -1\n      }, {\n        'aria-describedby': this.id() + \"_description\",\n        'aria-hidden': 'true',\n        'aria-label': this.label(),\n        'role': 'dialog'\n      });\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.descEl_ = null;\n      this.previouslyActiveEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return MODAL_CLASS_NAME + \" vjs-hidden \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Returns the label string for this modal. Primarily used for accessibility.\n     *\n     * @return {string}\n     *         the localized or raw label of this modal.\n     */\n    ;\n\n    _proto.label = function label() {\n      return this.localize(this.options_.label || 'Modal Window');\n    }\n    /**\n     * Returns the description string for this modal. Primarily used for\n     * accessibility.\n     *\n     * @return {string}\n     *         The localized or raw description of this modal.\n     */\n    ;\n\n    _proto.description = function description() {\n      var desc = this.options_.description || this.localize('This is a modal window.'); // Append a universal closeability message if the modal is closeable.\n\n      if (this.closeable()) {\n        desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');\n      }\n\n      return desc;\n    }\n    /**\n     * Opens the modal.\n     *\n     * @fires ModalDialog#beforemodalopen\n     * @fires ModalDialog#modalopen\n     */\n    ;\n\n    _proto.open = function open() {\n      if (!this.opened_) {\n        var player = this.player();\n        /**\n          * Fired just before a `ModalDialog` is opened.\n          *\n          * @event ModalDialog#beforemodalopen\n          * @type {EventTarget~Event}\n          */\n\n        this.trigger('beforemodalopen');\n        this.opened_ = true; // Fill content if the modal has never opened before and\n        // never been filled.\n\n        if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {\n          this.fill();\n        } // If the player was playing, pause it and take note of its previously\n        // playing state.\n\n\n        this.wasPlaying_ = !player.paused();\n\n        if (this.options_.pauseOnOpen && this.wasPlaying_) {\n          player.pause();\n        }\n\n        this.on('keydown', this.handleKeyDown); // Hide controls and note if they were enabled.\n\n        this.hadControls_ = player.controls();\n        player.controls(false);\n        this.show();\n        this.conditionalFocus_();\n        this.el().setAttribute('aria-hidden', 'false');\n        /**\n          * Fired just after a `ModalDialog` is opened.\n          *\n          * @event ModalDialog#modalopen\n          * @type {EventTarget~Event}\n          */\n\n        this.trigger('modalopen');\n        this.hasBeenOpened_ = true;\n      }\n    }\n    /**\n     * If the `ModalDialog` is currently open or closed.\n     *\n     * @param  {boolean} [value]\n     *         If given, it will open (`true`) or close (`false`) the modal.\n     *\n     * @return {boolean}\n     *         the current open state of the modaldialog\n     */\n    ;\n\n    _proto.opened = function opened(value) {\n      if (typeof value === 'boolean') {\n        this[value ? 'open' : 'close']();\n      }\n\n      return this.opened_;\n    }\n    /**\n     * Closes the modal, does nothing if the `ModalDialog` is\n     * not open.\n     *\n     * @fires ModalDialog#beforemodalclose\n     * @fires ModalDialog#modalclose\n     */\n    ;\n\n    _proto.close = function close() {\n      if (!this.opened_) {\n        return;\n      }\n\n      var player = this.player();\n      /**\n        * Fired just before a `ModalDialog` is closed.\n        *\n        * @event ModalDialog#beforemodalclose\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('beforemodalclose');\n      this.opened_ = false;\n\n      if (this.wasPlaying_ && this.options_.pauseOnOpen) {\n        player.play();\n      }\n\n      this.off('keydown', this.handleKeyDown);\n\n      if (this.hadControls_) {\n        player.controls(true);\n      }\n\n      this.hide();\n      this.el().setAttribute('aria-hidden', 'true');\n      /**\n        * Fired just after a `ModalDialog` is closed.\n        *\n        * @event ModalDialog#modalclose\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('modalclose');\n      this.conditionalBlur_();\n\n      if (this.options_.temporary) {\n        this.dispose();\n      }\n    }\n    /**\n     * Check to see if the `ModalDialog` is closeable via the UI.\n     *\n     * @param  {boolean} [value]\n     *         If given as a boolean, it will set the `closeable` option.\n     *\n     * @return {boolean}\n     *         Returns the final value of the closable option.\n     */\n    ;\n\n    _proto.closeable = function closeable(value) {\n      if (typeof value === 'boolean') {\n        var closeable = this.closeable_ = !!value;\n        var close = this.getChild('closeButton'); // If this is being made closeable and has no close button, add one.\n\n        if (closeable && !close) {\n          // The close button should be a child of the modal - not its\n          // content element, so temporarily change the content element.\n          var temp = this.contentEl_;\n          this.contentEl_ = this.el_;\n          close = this.addChild('closeButton', {\n            controlText: 'Close Modal Dialog'\n          });\n          this.contentEl_ = temp;\n          this.on(close, 'close', this.close);\n        } // If this is being made uncloseable and has a close button, remove it.\n\n\n        if (!closeable && close) {\n          this.off(close, 'close', this.close);\n          this.removeChild(close);\n          close.dispose();\n        }\n      }\n\n      return this.closeable_;\n    }\n    /**\n     * Fill the modal's content element with the modal's \"content\" option.\n     * The content element will be emptied before this change takes place.\n     */\n    ;\n\n    _proto.fill = function fill() {\n      this.fillWith(this.content());\n    }\n    /**\n     * Fill the modal's content element with arbitrary content.\n     * The content element will be emptied before this change takes place.\n     *\n     * @fires ModalDialog#beforemodalfill\n     * @fires ModalDialog#modalfill\n     *\n     * @param {Mixed} [content]\n     *        The same rules apply to this as apply to the `content` option.\n     */\n    ;\n\n    _proto.fillWith = function fillWith(content) {\n      var contentEl = this.contentEl();\n      var parentEl = contentEl.parentNode;\n      var nextSiblingEl = contentEl.nextSibling;\n      /**\n        * Fired just before a `ModalDialog` is filled with content.\n        *\n        * @event ModalDialog#beforemodalfill\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('beforemodalfill');\n      this.hasBeenFilled_ = true; // Detach the content element from the DOM before performing\n      // manipulation to avoid modifying the live DOM multiple times.\n\n      parentEl.removeChild(contentEl);\n      this.empty();\n      insertContent(contentEl, content);\n      /**\n       * Fired just after a `ModalDialog` is filled with content.\n       *\n       * @event ModalDialog#modalfill\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('modalfill'); // Re-inject the re-filled content element.\n\n      if (nextSiblingEl) {\n        parentEl.insertBefore(contentEl, nextSiblingEl);\n      } else {\n        parentEl.appendChild(contentEl);\n      } // make sure that the close button is last in the dialog DOM\n\n\n      var closeButton = this.getChild('closeButton');\n\n      if (closeButton) {\n        parentEl.appendChild(closeButton.el_);\n      }\n    }\n    /**\n     * Empties the content element. This happens anytime the modal is filled.\n     *\n     * @fires ModalDialog#beforemodalempty\n     * @fires ModalDialog#modalempty\n     */\n    ;\n\n    _proto.empty = function empty() {\n      /**\n      * Fired just before a `ModalDialog` is emptied.\n      *\n      * @event ModalDialog#beforemodalempty\n      * @type {EventTarget~Event}\n      */\n      this.trigger('beforemodalempty');\n      emptyEl(this.contentEl());\n      /**\n      * Fired just after a `ModalDialog` is emptied.\n      *\n      * @event ModalDialog#modalempty\n      * @type {EventTarget~Event}\n      */\n\n      this.trigger('modalempty');\n    }\n    /**\n     * Gets or sets the modal content, which gets normalized before being\n     * rendered into the DOM.\n     *\n     * This does not update the DOM or fill the modal, but it is called during\n     * that process.\n     *\n     * @param  {Mixed} [value]\n     *         If defined, sets the internal content value to be used on the\n     *         next call(s) to `fill`. This value is normalized before being\n     *         inserted. To \"clear\" the internal content value, pass `null`.\n     *\n     * @return {Mixed}\n     *         The current content of the modal dialog\n     */\n    ;\n\n    _proto.content = function content(value) {\n      if (typeof value !== 'undefined') {\n        this.content_ = value;\n      }\n\n      return this.content_;\n    }\n    /**\n     * conditionally focus the modal dialog if focus was previously on the player.\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalFocus_ = function conditionalFocus_() {\n      var activeEl = document.activeElement;\n      var playerEl = this.player_.el_;\n      this.previouslyActiveEl_ = null;\n\n      if (playerEl.contains(activeEl) || playerEl === activeEl) {\n        this.previouslyActiveEl_ = activeEl;\n        this.focus();\n      }\n    }\n    /**\n     * conditionally blur the element and refocus the last focused element\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalBlur_ = function conditionalBlur_() {\n      if (this.previouslyActiveEl_) {\n        this.previouslyActiveEl_.focus();\n        this.previouslyActiveEl_ = null;\n      }\n    }\n    /**\n     * Keydown handler. Attached when modal is focused.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Do not allow keydowns to reach out of the modal dialog.\n      event.stopPropagation();\n\n      if (keycode.isEventKey(event, 'Escape') && this.closeable()) {\n        event.preventDefault();\n        this.close();\n        return;\n      } // exit early if it isn't a tab key\n\n\n      if (!keycode.isEventKey(event, 'Tab')) {\n        return;\n      }\n\n      var focusableEls = this.focusableEls_();\n      var activeEl = this.el_.querySelector(':focus');\n      var focusIndex;\n\n      for (var i = 0; i < focusableEls.length; i++) {\n        if (activeEl === focusableEls[i]) {\n          focusIndex = i;\n          break;\n        }\n      }\n\n      if (document.activeElement === this.el_) {\n        focusIndex = 0;\n      }\n\n      if (event.shiftKey && focusIndex === 0) {\n        focusableEls[focusableEls.length - 1].focus();\n        event.preventDefault();\n      } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {\n        focusableEls[0].focus();\n        event.preventDefault();\n      }\n    }\n    /**\n     * get all focusable elements\n     *\n     * @private\n     */\n    ;\n\n    _proto.focusableEls_ = function focusableEls_() {\n      var allChildren = this.el_.querySelectorAll('*');\n      return Array.prototype.filter.call(allChildren, function (child) {\n        return (child instanceof window$3.HTMLAnchorElement || child instanceof window$3.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window$3.HTMLInputElement || child instanceof window$3.HTMLSelectElement || child instanceof window$3.HTMLTextAreaElement || child instanceof window$3.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window$3.HTMLIFrameElement || child instanceof window$3.HTMLObjectElement || child instanceof window$3.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');\n      });\n    };\n\n    return ModalDialog;\n  }(Component);\n  /**\n   * Default options for `ModalDialog` default options.\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ModalDialog.prototype.options_ = {\n    pauseOnOpen: true,\n    temporary: true\n  };\n  Component.registerComponent('ModalDialog', ModalDialog);\n\n  /**\n   * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and\n   * {@link VideoTrackList}\n   *\n   * @extends EventTarget\n   */\n\n  var TrackList = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(TrackList, _EventTarget);\n\n    /**\n     * Create an instance of this class\n     *\n     * @param {Track[]} tracks\n     *        A list of tracks to initialize the list with.\n     *\n     * @abstract\n     */\n    function TrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      _this = _EventTarget.call(this) || this;\n      _this.tracks_ = [];\n      /**\n       * @memberof TrackList\n       * @member {number} length\n       *         The current number of `Track`s in the this Trackist.\n       * @instance\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'length', {\n        get: function get() {\n          return this.tracks_.length;\n        }\n      });\n\n      for (var i = 0; i < tracks.length; i++) {\n        _this.addTrack(tracks[i]);\n      }\n\n      return _this;\n    }\n    /**\n     * Add a {@link Track} to the `TrackList`\n     *\n     * @param {Track} track\n     *        The audio, video, or text track to add to the list.\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = TrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var index = this.tracks_.length;\n\n      if (!('' + index in this)) {\n        Object.defineProperty(this, index, {\n          get: function get() {\n            return this.tracks_[index];\n          }\n        });\n      } // Do not add duplicate tracks\n\n\n      if (this.tracks_.indexOf(track) === -1) {\n        this.tracks_.push(track);\n        /**\n         * Triggered when a track is added to a track list.\n         *\n         * @event TrackList#addtrack\n         * @type {EventTarget~Event}\n         * @property {Track} track\n         *           A reference to track that was added.\n         */\n\n        this.trigger({\n          track: track,\n          type: 'addtrack',\n          target: this\n        });\n      }\n    }\n    /**\n     * Remove a {@link Track} from the `TrackList`\n     *\n     * @param {Track} rtrack\n     *        The audio, video, or text track to remove from the list.\n     *\n     * @fires TrackList#removetrack\n     */\n    ;\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      var track;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        if (this[i] === rtrack) {\n          track = this[i];\n\n          if (track.off) {\n            track.off();\n          }\n\n          this.tracks_.splice(i, 1);\n          break;\n        }\n      }\n\n      if (!track) {\n        return;\n      }\n      /**\n       * Triggered when a track is removed from track list.\n       *\n       * @event TrackList#removetrack\n       * @type {EventTarget~Event}\n       * @property {Track} track\n       *           A reference to track that was removed.\n       */\n\n\n      this.trigger({\n        track: track,\n        type: 'removetrack',\n        target: this\n      });\n    }\n    /**\n     * Get a Track from the TrackList by a tracks id\n     *\n     * @param {string} id - the id of the track to get\n     * @method getTrackById\n     * @return {Track}\n     * @private\n     */\n    ;\n\n    _proto.getTrackById = function getTrackById(id) {\n      var result = null;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        var track = this[i];\n\n        if (track.id === id) {\n          result = track;\n          break;\n        }\n      }\n\n      return result;\n    };\n\n    return TrackList;\n  }(EventTarget);\n  /**\n   * Triggered when a different track is selected/enabled.\n   *\n   * @event TrackList#change\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Events that can be called with on + eventName. See {@link EventHandler}.\n   *\n   * @property {Object} TrackList#allowedEvents_\n   * @private\n   */\n\n\n  TrackList.prototype.allowedEvents_ = {\n    change: 'change',\n    addtrack: 'addtrack',\n    removetrack: 'removetrack'\n  }; // emulate attribute EventHandler support to allow for feature detection\n\n  for (var event in TrackList.prototype.allowedEvents_) {\n    TrackList.prototype['on' + event] = null;\n  }\n\n  /**\n   * Anywhere we call this function we diverge from the spec\n   * as we only support one enabled audiotrack at a time\n   *\n   * @param {AudioTrackList} list\n   *        list to work on\n   *\n   * @param {AudioTrack} track\n   *        The track to skip\n   *\n   * @private\n   */\n\n  var disableOthers = function disableOthers(list, track) {\n    for (var i = 0; i < list.length; i++) {\n      if (!Object.keys(list[i]).length || track.id === list[i].id) {\n        continue;\n      } // another audio track is enabled, disable it\n\n\n      list[i].enabled = false;\n    }\n  };\n  /**\n   * The current list of {@link AudioTrack} for a media file.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}\n   * @extends TrackList\n   */\n\n\n  var AudioTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(AudioTrackList, _TrackList);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {AudioTrack[]} [tracks=[]]\n     *        A list of `AudioTrack` to instantiate the list with.\n     */\n    function AudioTrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      // make sure only 1 track is enabled\n      // sorted from last index to first index\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        if (tracks[i].enabled) {\n          disableOthers(tracks, tracks[i]);\n          break;\n        }\n      }\n\n      _this = _TrackList.call(this, tracks) || this;\n      _this.changing_ = false;\n      return _this;\n    }\n    /**\n     * Add an {@link AudioTrack} to the `AudioTrackList`.\n     *\n     * @param {AudioTrack} track\n     *        The AudioTrack to add to the list\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = AudioTrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var _this2 = this;\n\n      if (track.enabled) {\n        disableOthers(this, track);\n      }\n\n      _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this\n\n\n      if (!track.addEventListener) {\n        return;\n      }\n\n      track.enabledChange_ = function () {\n        // when we are disabling other tracks (since we don't support\n        // more than one track at a time) we will set changing_\n        // to true so that we don't trigger additional change events\n        if (_this2.changing_) {\n          return;\n        }\n\n        _this2.changing_ = true;\n        disableOthers(_this2, track);\n        _this2.changing_ = false;\n\n        _this2.trigger('change');\n      };\n      /**\n       * @listens AudioTrack#enabledchange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('enabledchange', track.enabledChange_);\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack);\n\n      if (rtrack.removeEventListener && rtrack.enabledChange_) {\n        rtrack.removeEventListener('enabledchange', rtrack.enabledChange_);\n        rtrack.enabledChange_ = null;\n      }\n    };\n\n    return AudioTrackList;\n  }(TrackList);\n\n  /**\n   * Un-select all other {@link VideoTrack}s that are selected.\n   *\n   * @param {VideoTrackList} list\n   *        list to work on\n   *\n   * @param {VideoTrack} track\n   *        The track to skip\n   *\n   * @private\n   */\n\n  var disableOthers$1 = function disableOthers(list, track) {\n    for (var i = 0; i < list.length; i++) {\n      if (!Object.keys(list[i]).length || track.id === list[i].id) {\n        continue;\n      } // another video track is enabled, disable it\n\n\n      list[i].selected = false;\n    }\n  };\n  /**\n   * The current list of {@link VideoTrack} for a video.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}\n   * @extends TrackList\n   */\n\n\n  var VideoTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(VideoTrackList, _TrackList);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {VideoTrack[]} [tracks=[]]\n     *        A list of `VideoTrack` to instantiate the list with.\n     */\n    function VideoTrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      // make sure only 1 track is enabled\n      // sorted from last index to first index\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        if (tracks[i].selected) {\n          disableOthers$1(tracks, tracks[i]);\n          break;\n        }\n      }\n\n      _this = _TrackList.call(this, tracks) || this;\n      _this.changing_ = false;\n      /**\n       * @member {number} VideoTrackList#selectedIndex\n       *         The current index of the selected {@link VideoTrack`}.\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'selectedIndex', {\n        get: function get() {\n          for (var _i = 0; _i < this.length; _i++) {\n            if (this[_i].selected) {\n              return _i;\n            }\n          }\n\n          return -1;\n        },\n        set: function set() {}\n      });\n      return _this;\n    }\n    /**\n     * Add a {@link VideoTrack} to the `VideoTrackList`.\n     *\n     * @param {VideoTrack} track\n     *        The VideoTrack to add to the list\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = VideoTrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var _this2 = this;\n\n      if (track.selected) {\n        disableOthers$1(this, track);\n      }\n\n      _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this\n\n\n      if (!track.addEventListener) {\n        return;\n      }\n\n      track.selectedChange_ = function () {\n        if (_this2.changing_) {\n          return;\n        }\n\n        _this2.changing_ = true;\n        disableOthers$1(_this2, track);\n        _this2.changing_ = false;\n\n        _this2.trigger('change');\n      };\n      /**\n       * @listens VideoTrack#selectedchange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('selectedchange', track.selectedChange_);\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack);\n\n      if (rtrack.removeEventListener && rtrack.selectedChange_) {\n        rtrack.removeEventListener('selectedchange', rtrack.selectedChange_);\n        rtrack.selectedChange_ = null;\n      }\n    };\n\n    return VideoTrackList;\n  }(TrackList);\n\n  /**\n   * The current list of {@link TextTrack} for a media file.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}\n   * @extends TrackList\n   */\n\n  var TextTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(TextTrackList, _TrackList);\n\n    function TextTrackList() {\n      return _TrackList.apply(this, arguments) || this;\n    }\n\n    var _proto = TextTrackList.prototype;\n\n    /**\n     * Add a {@link TextTrack} to the `TextTrackList`\n     *\n     * @param {TextTrack} track\n     *        The text track to add to the list.\n     *\n     * @fires TrackList#addtrack\n     */\n    _proto.addTrack = function addTrack(track) {\n      var _this = this;\n\n      _TrackList.prototype.addTrack.call(this, track);\n\n      if (!this.queueChange_) {\n        this.queueChange_ = function () {\n          return _this.queueTrigger('change');\n        };\n      }\n\n      if (!this.triggerSelectedlanguagechange) {\n        this.triggerSelectedlanguagechange_ = function () {\n          return _this.trigger('selectedlanguagechange');\n        };\n      }\n      /**\n       * @listens TextTrack#modechange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('modechange', this.queueChange_);\n      var nonLanguageTextTrackKind = ['metadata', 'chapters'];\n\n      if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {\n        track.addEventListener('modechange', this.triggerSelectedlanguagechange_);\n      }\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack); // manually remove the event handlers we added\n\n\n      if (rtrack.removeEventListener) {\n        if (this.queueChange_) {\n          rtrack.removeEventListener('modechange', this.queueChange_);\n        }\n\n        if (this.selectedlanguagechange_) {\n          rtrack.removeEventListener('modechange', this.triggerSelectedlanguagechange_);\n        }\n      }\n    };\n\n    return TextTrackList;\n  }(TrackList);\n\n  /**\n   * @file html-track-element-list.js\n   */\n\n  /**\n   * The current list of {@link HtmlTrackElement}s.\n   */\n  var HtmlTrackElementList = /*#__PURE__*/function () {\n    /**\n     * Create an instance of this class.\n     *\n     * @param {HtmlTrackElement[]} [tracks=[]]\n     *        A list of `HtmlTrackElement` to instantiate the list with.\n     */\n    function HtmlTrackElementList(trackElements) {\n      if (trackElements === void 0) {\n        trackElements = [];\n      }\n\n      this.trackElements_ = [];\n      /**\n       * @memberof HtmlTrackElementList\n       * @member {number} length\n       *         The current number of `Track`s in the this Trackist.\n       * @instance\n       */\n\n      Object.defineProperty(this, 'length', {\n        get: function get() {\n          return this.trackElements_.length;\n        }\n      });\n\n      for (var i = 0, length = trackElements.length; i < length; i++) {\n        this.addTrackElement_(trackElements[i]);\n      }\n    }\n    /**\n     * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`\n     *\n     * @param {HtmlTrackElement} trackElement\n     *        The track element to add to the list.\n     *\n     * @private\n     */\n\n\n    var _proto = HtmlTrackElementList.prototype;\n\n    _proto.addTrackElement_ = function addTrackElement_(trackElement) {\n      var index = this.trackElements_.length;\n\n      if (!('' + index in this)) {\n        Object.defineProperty(this, index, {\n          get: function get() {\n            return this.trackElements_[index];\n          }\n        });\n      } // Do not add duplicate elements\n\n\n      if (this.trackElements_.indexOf(trackElement) === -1) {\n        this.trackElements_.push(trackElement);\n      }\n    }\n    /**\n     * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an\n     * {@link TextTrack}.\n     *\n     * @param {TextTrack} track\n     *        The track associated with a track element.\n     *\n     * @return {HtmlTrackElement|undefined}\n     *         The track element that was found or undefined.\n     *\n     * @private\n     */\n    ;\n\n    _proto.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {\n      var trackElement_;\n\n      for (var i = 0, length = this.trackElements_.length; i < length; i++) {\n        if (track === this.trackElements_[i].track) {\n          trackElement_ = this.trackElements_[i];\n          break;\n        }\n      }\n\n      return trackElement_;\n    }\n    /**\n     * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`\n     *\n     * @param {HtmlTrackElement} trackElement\n     *        The track element to remove from the list.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeTrackElement_ = function removeTrackElement_(trackElement) {\n      for (var i = 0, length = this.trackElements_.length; i < length; i++) {\n        if (trackElement === this.trackElements_[i]) {\n          if (this.trackElements_[i].track && typeof this.trackElements_[i].track.off === 'function') {\n            this.trackElements_[i].track.off();\n          }\n\n          if (typeof this.trackElements_[i].off === 'function') {\n            this.trackElements_[i].off();\n          }\n\n          this.trackElements_.splice(i, 1);\n          break;\n        }\n      }\n    };\n\n    return HtmlTrackElementList;\n  }();\n\n  /**\n   * @file text-track-cue-list.js\n   */\n\n  /**\n   * @typedef {Object} TextTrackCueList~TextTrackCue\n   *\n   * @property {string} id\n   *           The unique id for this text track cue\n   *\n   * @property {number} startTime\n   *           The start time for this text track cue\n   *\n   * @property {number} endTime\n   *           The end time for this text track cue\n   *\n   * @property {boolean} pauseOnExit\n   *           Pause when the end time is reached if true.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}\n   */\n\n  /**\n   * A List of TextTrackCues.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}\n   */\n  var TextTrackCueList = /*#__PURE__*/function () {\n    /**\n     * Create an instance of this class..\n     *\n     * @param {Array} cues\n     *        A list of cues to be initialized with\n     */\n    function TextTrackCueList(cues) {\n      TextTrackCueList.prototype.setCues_.call(this, cues);\n      /**\n       * @memberof TextTrackCueList\n       * @member {number} length\n       *         The current number of `TextTrackCue`s in the TextTrackCueList.\n       * @instance\n       */\n\n      Object.defineProperty(this, 'length', {\n        get: function get() {\n          return this.length_;\n        }\n      });\n    }\n    /**\n     * A setter for cues in this list. Creates getters\n     * an an index for the cues.\n     *\n     * @param {Array} cues\n     *        An array of cues to set\n     *\n     * @private\n     */\n\n\n    var _proto = TextTrackCueList.prototype;\n\n    _proto.setCues_ = function setCues_(cues) {\n      var oldLength = this.length || 0;\n      var i = 0;\n      var l = cues.length;\n      this.cues_ = cues;\n      this.length_ = cues.length;\n\n      var defineProp = function defineProp(index) {\n        if (!('' + index in this)) {\n          Object.defineProperty(this, '' + index, {\n            get: function get() {\n              return this.cues_[index];\n            }\n          });\n        }\n      };\n\n      if (oldLength < l) {\n        i = oldLength;\n\n        for (; i < l; i++) {\n          defineProp.call(this, i);\n        }\n      }\n    }\n    /**\n     * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.\n     *\n     * @param {string} id\n     *        The id of the cue that should be searched for.\n     *\n     * @return {TextTrackCueList~TextTrackCue|null}\n     *         A single cue or null if none was found.\n     */\n    ;\n\n    _proto.getCueById = function getCueById(id) {\n      var result = null;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        var cue = this[i];\n\n        if (cue.id === id) {\n          result = cue;\n          break;\n        }\n      }\n\n      return result;\n    };\n\n    return TextTrackCueList;\n  }();\n\n  /**\n   * @file track-kinds.js\n   */\n\n  /**\n   * All possible `VideoTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind\n   * @typedef VideoTrack~Kind\n   * @enum\n   */\n  var VideoTrackKind = {\n    alternative: 'alternative',\n    captions: 'captions',\n    main: 'main',\n    sign: 'sign',\n    subtitles: 'subtitles',\n    commentary: 'commentary'\n  };\n  /**\n   * All possible `AudioTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind\n   * @typedef AudioTrack~Kind\n   * @enum\n   */\n\n  var AudioTrackKind = {\n    'alternative': 'alternative',\n    'descriptions': 'descriptions',\n    'main': 'main',\n    'main-desc': 'main-desc',\n    'translation': 'translation',\n    'commentary': 'commentary'\n  };\n  /**\n   * All possible `TextTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind\n   * @typedef TextTrack~Kind\n   * @enum\n   */\n\n  var TextTrackKind = {\n    subtitles: 'subtitles',\n    captions: 'captions',\n    descriptions: 'descriptions',\n    chapters: 'chapters',\n    metadata: 'metadata'\n  };\n  /**\n   * All possible `TextTrackMode`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode\n   * @typedef TextTrack~Mode\n   * @enum\n   */\n\n  var TextTrackMode = {\n    disabled: 'disabled',\n    hidden: 'hidden',\n    showing: 'showing'\n  };\n\n  /**\n   * A Track class that contains all of the common functionality for {@link AudioTrack},\n   * {@link VideoTrack}, and {@link TextTrack}.\n   *\n   * > Note: This class should not be used directly\n   *\n   * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}\n   * @extends EventTarget\n   * @abstract\n   */\n\n  var Track = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(Track, _EventTarget);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {string} [options.kind='']\n     *        A valid kind for the track type you are creating.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @abstract\n     */\n    function Track(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _EventTarget.call(this) || this;\n      var trackProps = {\n        id: options.id || 'vjs_track_' + newGUID(),\n        kind: options.kind || '',\n        label: options.label || '',\n        language: options.language || ''\n      };\n      /**\n       * @memberof Track\n       * @member {string} id\n       *         The id of this track. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} kind\n       *         The kind of track that this is. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} label\n       *         The label of this track. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} language\n       *         The two letter language code for this track. Cannot be changed after\n       *         creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      var _loop = function _loop(key) {\n        Object.defineProperty(assertThisInitialized(_this), key, {\n          get: function get() {\n            return trackProps[key];\n          },\n          set: function set() {}\n        });\n      };\n\n      for (var key in trackProps) {\n        _loop(key);\n      }\n\n      return _this;\n    }\n\n    return Track;\n  }(EventTarget);\n\n  /**\n   * @file url.js\n   * @module url\n   */\n  /**\n   * @typedef {Object} url:URLObject\n   *\n   * @property {string} protocol\n   *           The protocol of the url that was parsed.\n   *\n   * @property {string} hostname\n   *           The hostname of the url that was parsed.\n   *\n   * @property {string} port\n   *           The port of the url that was parsed.\n   *\n   * @property {string} pathname\n   *           The pathname of the url that was parsed.\n   *\n   * @property {string} search\n   *           The search query of the url that was parsed.\n   *\n   * @property {string} hash\n   *           The hash of the url that was parsed.\n   *\n   * @property {string} host\n   *           The host of the url that was parsed.\n   */\n\n  /**\n   * Resolve and parse the elements of a URL.\n   *\n   * @function\n   * @param    {String} url\n   *           The url to parse\n   *\n   * @return   {url:URLObject}\n   *           An object of url details\n   */\n\n  var parseUrl = function parseUrl(url) {\n    var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host']; // add the url to an anchor and let the browser parse the URL\n\n    var a = document.createElement('a');\n    a.href = url; // IE8 (and 9?) Fix\n    // ie8 doesn't parse the URL correctly until the anchor is actually\n    // added to the body, and an innerHTML is needed to trigger the parsing\n\n    var addToBody = a.host === '' && a.protocol !== 'file:';\n    var div;\n\n    if (addToBody) {\n      div = document.createElement('div');\n      div.innerHTML = \"<a href=\\\"\" + url + \"\\\"></a>\";\n      a = div.firstChild; // prevent the div from affecting layout\n\n      div.setAttribute('style', 'display:none; position:absolute;');\n      document.body.appendChild(div);\n    } // Copy the specific URL properties to a new object\n    // This is also needed for IE8 because the anchor loses its\n    // properties when it's removed from the dom\n\n\n    var details = {};\n\n    for (var i = 0; i < props.length; i++) {\n      details[props[i]] = a[props[i]];\n    } // IE9 adds the port to the host property unlike everyone else. If\n    // a port identifier is added for standard ports, strip it.\n\n\n    if (details.protocol === 'http:') {\n      details.host = details.host.replace(/:80$/, '');\n    }\n\n    if (details.protocol === 'https:') {\n      details.host = details.host.replace(/:443$/, '');\n    }\n\n    if (!details.protocol) {\n      details.protocol = window$3.location.protocol;\n    }\n\n    if (addToBody) {\n      document.body.removeChild(div);\n    }\n\n    return details;\n  };\n  /**\n   * Get absolute version of relative URL. Used to tell Flash the correct URL.\n   *\n   * @function\n   * @param    {string} url\n   *           URL to make absolute\n   *\n   * @return   {string}\n   *           Absolute URL\n   *\n   * @see      http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue\n   */\n\n  var getAbsoluteURL = function getAbsoluteURL(url) {\n    // Check if absolute URL\n    if (!url.match(/^https?:\\/\\//)) {\n      // Convert to absolute URL. Flash hosted off-site needs an absolute URL.\n      var div = document.createElement('div');\n      div.innerHTML = \"<a href=\\\"\" + url + \"\\\">x</a>\";\n      url = div.firstChild.href;\n    }\n\n    return url;\n  };\n  /**\n   * Returns the extension of the passed file name. It will return an empty string\n   * if passed an invalid path.\n   *\n   * @function\n   * @param    {string} path\n   *           The fileName path like '/path/to/file.mp4'\n   *\n   * @return  {string}\n   *           The extension in lower case or an empty string if no\n   *           extension could be found.\n   */\n\n  var getFileExtension = function getFileExtension(path) {\n    if (typeof path === 'string') {\n      var splitPathRe = /^(\\/?)([\\s\\S]*?)((?:\\.{1,2}|[^\\/]+?)(\\.([^\\.\\/\\?]+)))(?:[\\/]*|[\\?].*)$/;\n      var pathParts = splitPathRe.exec(path);\n\n      if (pathParts) {\n        return pathParts.pop().toLowerCase();\n      }\n    }\n\n    return '';\n  };\n  /**\n   * Returns whether the url passed is a cross domain request or not.\n   *\n   * @function\n   * @param    {string} url\n   *           The url to check.\n   *\n   * @param    {Object} [winLoc]\n   *           the domain to check the url against, defaults to window.location\n   *\n   * @param    {string} [winLoc.protocol]\n   *           The window location protocol defaults to window.location.protocol\n   *\n   * @param    {string} [winLoc.host]\n   *           The window location host defaults to window.location.host\n   *\n   * @return   {boolean}\n   *           Whether it is a cross domain request or not.\n   */\n\n  var isCrossOrigin = function isCrossOrigin(url, winLoc) {\n    if (winLoc === void 0) {\n      winLoc = window$3.location;\n    }\n\n    var urlInfo = parseUrl(url); // IE8 protocol relative urls will return ':' for protocol\n\n    var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol; // Check if url is for another domain/origin\n    // IE8 doesn't know location.origin, so we won't rely on it here\n\n    var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;\n    return crossOrigin;\n  };\n\n  var Url = /*#__PURE__*/Object.freeze({\n    parseUrl: parseUrl,\n    getAbsoluteURL: getAbsoluteURL,\n    getFileExtension: getFileExtension,\n    isCrossOrigin: isCrossOrigin\n  });\n\n  var isFunction_1 = isFunction;\n  var toString$1 = Object.prototype.toString;\n\n  function isFunction(fn) {\n    var string = toString$1.call(fn);\n    return string === '[object Function]' || typeof fn === 'function' && string !== '[object RegExp]' || typeof window !== 'undefined' && ( // IE8 and below\n    fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt);\n  }\n\n  /**\n   * @license\n   * slighly modified parse-headers 2.0.2 <https://github.com/kesla/parse-headers/>\n   * Copyright (c) 2014 David Björklund\n   * Available under the MIT license\n   * <https://github.com/kesla/parse-headers/blob/master/LICENCE>\n   */\n\n\n  var parseHeaders = function parseHeaders(headers) {\n    var result = {};\n\n    if (!headers) {\n      return result;\n    }\n\n    headers.trim().split('\\n').forEach(function (row) {\n      var index = row.indexOf(':');\n      var key = row.slice(0, index).trim().toLowerCase();\n      var value = row.slice(index + 1).trim();\n\n      if (typeof result[key] === 'undefined') {\n        result[key] = value;\n      } else if (Array.isArray(result[key])) {\n        result[key].push(value);\n      } else {\n        result[key] = [result[key], value];\n      }\n    });\n    return result;\n  };\n\n  var xhr = createXHR; // Allow use of default import syntax in TypeScript\n\n  var default_1 = createXHR;\n  createXHR.XMLHttpRequest = window$3.XMLHttpRequest || noop;\n  createXHR.XDomainRequest = \"withCredentials\" in new createXHR.XMLHttpRequest() ? createXHR.XMLHttpRequest : window$3.XDomainRequest;\n  forEachArray([\"get\", \"put\", \"post\", \"patch\", \"head\", \"delete\"], function (method) {\n    createXHR[method === \"delete\" ? \"del\" : method] = function (uri, options, callback) {\n      options = initParams(uri, options, callback);\n      options.method = method.toUpperCase();\n      return _createXHR(options);\n    };\n  });\n\n  function forEachArray(array, iterator) {\n    for (var i = 0; i < array.length; i++) {\n      iterator(array[i]);\n    }\n  }\n\n  function isEmpty(obj) {\n    for (var i in obj) {\n      if (obj.hasOwnProperty(i)) return false;\n    }\n\n    return true;\n  }\n\n  function initParams(uri, options, callback) {\n    var params = uri;\n\n    if (isFunction_1(options)) {\n      callback = options;\n\n      if (typeof uri === \"string\") {\n        params = {\n          uri: uri\n        };\n      }\n    } else {\n      params = _extends_1({}, options, {\n        uri: uri\n      });\n    }\n\n    params.callback = callback;\n    return params;\n  }\n\n  function createXHR(uri, options, callback) {\n    options = initParams(uri, options, callback);\n    return _createXHR(options);\n  }\n\n  function _createXHR(options) {\n    if (typeof options.callback === \"undefined\") {\n      throw new Error(\"callback argument missing\");\n    }\n\n    var called = false;\n\n    var callback = function cbOnce(err, response, body) {\n      if (!called) {\n        called = true;\n        options.callback(err, response, body);\n      }\n    };\n\n    function readystatechange() {\n      if (xhr.readyState === 4) {\n        setTimeout(loadFunc, 0);\n      }\n    }\n\n    function getBody() {\n      // Chrome with requestType=blob throws errors arround when even testing access to responseText\n      var body = undefined;\n\n      if (xhr.response) {\n        body = xhr.response;\n      } else {\n        body = xhr.responseText || getXml(xhr);\n      }\n\n      if (isJson) {\n        try {\n          body = JSON.parse(body);\n        } catch (e) {}\n      }\n\n      return body;\n    }\n\n    function errorFunc(evt) {\n      clearTimeout(timeoutTimer);\n\n      if (!(evt instanceof Error)) {\n        evt = new Error(\"\" + (evt || \"Unknown XMLHttpRequest Error\"));\n      }\n\n      evt.statusCode = 0;\n      return callback(evt, failureResponse);\n    } // will load the data & process the response in a special response object\n\n\n    function loadFunc() {\n      if (aborted) return;\n      var status;\n      clearTimeout(timeoutTimer);\n\n      if (options.useXDR && xhr.status === undefined) {\n        //IE8 CORS GET successful response doesn't have a status field, but body is fine\n        status = 200;\n      } else {\n        status = xhr.status === 1223 ? 204 : xhr.status;\n      }\n\n      var response = failureResponse;\n      var err = null;\n\n      if (status !== 0) {\n        response = {\n          body: getBody(),\n          statusCode: status,\n          method: method,\n          headers: {},\n          url: uri,\n          rawRequest: xhr\n        };\n\n        if (xhr.getAllResponseHeaders) {\n          //remember xhr can in fact be XDR for CORS in IE\n          response.headers = parseHeaders(xhr.getAllResponseHeaders());\n        }\n      } else {\n        err = new Error(\"Internal XMLHttpRequest Error\");\n      }\n\n      return callback(err, response, response.body);\n    }\n\n    var xhr = options.xhr || null;\n\n    if (!xhr) {\n      if (options.cors || options.useXDR) {\n        xhr = new createXHR.XDomainRequest();\n      } else {\n        xhr = new createXHR.XMLHttpRequest();\n      }\n    }\n\n    var key;\n    var aborted;\n    var uri = xhr.url = options.uri || options.url;\n    var method = xhr.method = options.method || \"GET\";\n    var body = options.body || options.data;\n    var headers = xhr.headers = options.headers || {};\n    var sync = !!options.sync;\n    var isJson = false;\n    var timeoutTimer;\n    var failureResponse = {\n      body: undefined,\n      headers: {},\n      statusCode: 0,\n      method: method,\n      url: uri,\n      rawRequest: xhr\n    };\n\n    if (\"json\" in options && options.json !== false) {\n      isJson = true;\n      headers[\"accept\"] || headers[\"Accept\"] || (headers[\"Accept\"] = \"application/json\"); //Don't override existing accept header declared by user\n\n      if (method !== \"GET\" && method !== \"HEAD\") {\n        headers[\"content-type\"] || headers[\"Content-Type\"] || (headers[\"Content-Type\"] = \"application/json\"); //Don't override existing accept header declared by user\n\n        body = JSON.stringify(options.json === true ? body : options.json);\n      }\n    }\n\n    xhr.onreadystatechange = readystatechange;\n    xhr.onload = loadFunc;\n    xhr.onerror = errorFunc; // IE9 must have onprogress be set to a unique function.\n\n    xhr.onprogress = function () {// IE must die\n    };\n\n    xhr.onabort = function () {\n      aborted = true;\n    };\n\n    xhr.ontimeout = errorFunc;\n    xhr.open(method, uri, !sync, options.username, options.password); //has to be after open\n\n    if (!sync) {\n      xhr.withCredentials = !!options.withCredentials;\n    } // Cannot set timeout with sync request\n    // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly\n    // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent\n\n\n    if (!sync && options.timeout > 0) {\n      timeoutTimer = setTimeout(function () {\n        if (aborted) return;\n        aborted = true; //IE9 may still call readystatechange\n\n        xhr.abort(\"timeout\");\n        var e = new Error(\"XMLHttpRequest timeout\");\n        e.code = \"ETIMEDOUT\";\n        errorFunc(e);\n      }, options.timeout);\n    }\n\n    if (xhr.setRequestHeader) {\n      for (key in headers) {\n        if (headers.hasOwnProperty(key)) {\n          xhr.setRequestHeader(key, headers[key]);\n        }\n      }\n    } else if (options.headers && !isEmpty(options.headers)) {\n      throw new Error(\"Headers cannot be set on an XDomainRequest object\");\n    }\n\n    if (\"responseType\" in options) {\n      xhr.responseType = options.responseType;\n    }\n\n    if (\"beforeSend\" in options && typeof options.beforeSend === \"function\") {\n      options.beforeSend(xhr);\n    } // Microsoft Edge browser sends \"undefined\" when send is called with undefined value.\n    // XMLHttpRequest spec says to pass null as body to indicate no body\n    // See https://github.com/naugtur/xhr/issues/100.\n\n\n    xhr.send(body || null);\n    return xhr;\n  }\n\n  function getXml(xhr) {\n    // xhr.responseXML will throw Exception \"InvalidStateError\" or \"DOMException\"\n    // See https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseXML.\n    try {\n      if (xhr.responseType === \"document\") {\n        return xhr.responseXML;\n      }\n\n      var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === \"parsererror\";\n\n      if (xhr.responseType === \"\" && !firefoxBugTakenEffect) {\n        return xhr.responseXML;\n      }\n    } catch (e) {}\n\n    return null;\n  }\n\n  function noop() {}\n  xhr[\"default\"] = default_1;\n\n  /**\n   * Takes a webvtt file contents and parses it into cues\n   *\n   * @param {string} srcContent\n   *        webVTT file contents\n   *\n   * @param {TextTrack} track\n   *        TextTrack to add cues to. Cues come from the srcContent.\n   *\n   * @private\n   */\n\n  var parseCues = function parseCues(srcContent, track) {\n    var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, window$3.WebVTT.StringDecoder());\n    var errors = [];\n\n    parser.oncue = function (cue) {\n      track.addCue(cue);\n    };\n\n    parser.onparsingerror = function (error) {\n      errors.push(error);\n    };\n\n    parser.onflush = function () {\n      track.trigger({\n        type: 'loadeddata',\n        target: track\n      });\n    };\n\n    parser.parse(srcContent);\n\n    if (errors.length > 0) {\n      if (window$3.console && window$3.console.groupCollapsed) {\n        window$3.console.groupCollapsed(\"Text Track parsing errors for \" + track.src);\n      }\n\n      errors.forEach(function (error) {\n        return log.error(error);\n      });\n\n      if (window$3.console && window$3.console.groupEnd) {\n        window$3.console.groupEnd();\n      }\n    }\n\n    parser.flush();\n  };\n  /**\n   * Load a `TextTrack` from a specified url.\n   *\n   * @param {string} src\n   *        Url to load track from.\n   *\n   * @param {TextTrack} track\n   *        Track to add cues to. Comes from the content at the end of `url`.\n   *\n   * @private\n   */\n\n\n  var loadTrack = function loadTrack(src, track) {\n    var opts = {\n      uri: src\n    };\n    var crossOrigin = isCrossOrigin(src);\n\n    if (crossOrigin) {\n      opts.cors = crossOrigin;\n    }\n\n    xhr(opts, bind(this, function (err, response, responseBody) {\n      if (err) {\n        return log.error(err, response);\n      }\n\n      track.loaded_ = true; // Make sure that vttjs has loaded, otherwise, wait till it finished loading\n      // NOTE: this is only used for the alt/video.novtt.js build\n\n      if (typeof window$3.WebVTT !== 'function') {\n        if (track.tech_) {\n          // to prevent use before define eslint error, we define loadHandler\n          // as a let here\n          track.tech_.any(['vttjsloaded', 'vttjserror'], function (event) {\n            if (event.type === 'vttjserror') {\n              log.error(\"vttjs failed to load, stopping trying to process \" + track.src);\n              return;\n            }\n\n            return parseCues(responseBody, track);\n          });\n        }\n      } else {\n        parseCues(responseBody, track);\n      }\n    }));\n  };\n  /**\n   * A representation of a single `TextTrack`.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}\n   * @extends Track\n   */\n\n\n  var TextTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(TextTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} options={}\n     *        Object of option names and values\n     *\n     * @param {Tech} options.tech\n     *        A reference to the tech that owns this TextTrack.\n     *\n     * @param {TextTrack~Kind} [options.kind='subtitles']\n     *        A valid text track kind.\n     *\n     * @param {TextTrack~Mode} [options.mode='disabled']\n     *        A valid text track mode.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this TextTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {string} [options.srclang='']\n     *        A valid two character language code. An alternative, but deprioritized\n     *        version of `options.language`\n     *\n     * @param {string} [options.src]\n     *        A url to TextTrack cues.\n     *\n     * @param {boolean} [options.default]\n     *        If this track should default to on or off.\n     */\n    function TextTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (!options.tech) {\n        throw new Error('A tech was not provided.');\n      }\n\n      var settings = mergeOptions(options, {\n        kind: TextTrackKind[options.kind] || 'subtitles',\n        language: options.language || options.srclang || ''\n      });\n      var mode = TextTrackMode[settings.mode] || 'disabled';\n      var default_ = settings[\"default\"];\n\n      if (settings.kind === 'metadata' || settings.kind === 'chapters') {\n        mode = 'hidden';\n      }\n\n      _this = _Track.call(this, settings) || this;\n      _this.tech_ = settings.tech;\n      _this.cues_ = [];\n      _this.activeCues_ = [];\n      _this.preload_ = _this.tech_.preloadTextTracks !== false;\n      var cues = new TextTrackCueList(_this.cues_);\n      var activeCues = new TextTrackCueList(_this.activeCues_);\n      var changed = false;\n      var timeupdateHandler = bind(assertThisInitialized(_this), function () {\n        // Accessing this.activeCues for the side-effects of updating itself\n        // due to its nature as a getter function. Do not remove or cues will\n        // stop updating!\n        // Use the setter to prevent deletion from uglify (pure_getters rule)\n        this.activeCues = this.activeCues;\n\n        if (changed) {\n          this.trigger('cuechange');\n          changed = false;\n        }\n      });\n\n      if (mode !== 'disabled') {\n        _this.tech_.ready(function () {\n          _this.tech_.on('timeupdate', timeupdateHandler);\n        }, true);\n      }\n\n      Object.defineProperties(assertThisInitialized(_this), {\n        /**\n         * @memberof TextTrack\n         * @member {boolean} default\n         *         If this track was set to be on or off by default. Cannot be changed after\n         *         creation.\n         * @instance\n         *\n         * @readonly\n         */\n        \"default\": {\n          get: function get() {\n            return default_;\n          },\n          set: function set() {}\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {string} mode\n         *         Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will\n         *         not be set if setting to an invalid mode.\n         * @instance\n         *\n         * @fires TextTrack#modechange\n         */\n        mode: {\n          get: function get() {\n            return mode;\n          },\n          set: function set(newMode) {\n            var _this2 = this;\n\n            if (!TextTrackMode[newMode]) {\n              return;\n            }\n\n            mode = newMode;\n\n            if (!this.preload_ && mode !== 'disabled' && this.cues.length === 0) {\n              // On-demand load.\n              loadTrack(this.src, this);\n            }\n\n            if (mode !== 'disabled') {\n              this.tech_.ready(function () {\n                _this2.tech_.on('timeupdate', timeupdateHandler);\n              }, true);\n            } else {\n              this.tech_.off('timeupdate', timeupdateHandler);\n            }\n            /**\n             * An event that fires when mode changes on this track. This allows\n             * the TextTrackList that holds this track to act accordingly.\n             *\n             * > Note: This is not part of the spec!\n             *\n             * @event TextTrack#modechange\n             * @type {EventTarget~Event}\n             */\n\n\n            this.trigger('modechange');\n          }\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {TextTrackCueList} cues\n         *         The text track cue list for this TextTrack.\n         * @instance\n         */\n        cues: {\n          get: function get() {\n            if (!this.loaded_) {\n              return null;\n            }\n\n            return cues;\n          },\n          set: function set() {}\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {TextTrackCueList} activeCues\n         *         The list text track cues that are currently active for this TextTrack.\n         * @instance\n         */\n        activeCues: {\n          get: function get() {\n            if (!this.loaded_) {\n              return null;\n            } // nothing to do\n\n\n            if (this.cues.length === 0) {\n              return activeCues;\n            }\n\n            var ct = this.tech_.currentTime();\n            var active = [];\n\n            for (var i = 0, l = this.cues.length; i < l; i++) {\n              var cue = this.cues[i];\n\n              if (cue.startTime <= ct && cue.endTime >= ct) {\n                active.push(cue);\n              } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {\n                active.push(cue);\n              }\n            }\n\n            changed = false;\n\n            if (active.length !== this.activeCues_.length) {\n              changed = true;\n            } else {\n              for (var _i = 0; _i < active.length; _i++) {\n                if (this.activeCues_.indexOf(active[_i]) === -1) {\n                  changed = true;\n                }\n              }\n            }\n\n            this.activeCues_ = active;\n            activeCues.setCues_(this.activeCues_);\n            return activeCues;\n          },\n          // /!\\ Keep this setter empty (see the timeupdate handler above)\n          set: function set() {}\n        }\n      });\n\n      if (settings.src) {\n        _this.src = settings.src;\n\n        if (!_this.preload_) {\n          // Tracks will load on-demand.\n          // Act like we're loaded for other purposes.\n          _this.loaded_ = true;\n        }\n\n        if (_this.preload_ || default_ || settings.kind !== 'subtitles' && settings.kind !== 'captions') {\n          loadTrack(_this.src, assertThisInitialized(_this));\n        }\n      } else {\n        _this.loaded_ = true;\n      }\n\n      return _this;\n    }\n    /**\n     * Add a cue to the internal list of cues.\n     *\n     * @param {TextTrack~Cue} cue\n     *        The cue to add to our internal list\n     */\n\n\n    var _proto = TextTrack.prototype;\n\n    _proto.addCue = function addCue(originalCue) {\n      var cue = originalCue;\n\n      if (window$3.vttjs && !(originalCue instanceof window$3.vttjs.VTTCue)) {\n        cue = new window$3.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);\n\n        for (var prop in originalCue) {\n          if (!(prop in cue)) {\n            cue[prop] = originalCue[prop];\n          }\n        } // make sure that `id` is copied over\n\n\n        cue.id = originalCue.id;\n        cue.originalCue_ = originalCue;\n      }\n\n      var tracks = this.tech_.textTracks();\n\n      for (var i = 0; i < tracks.length; i++) {\n        if (tracks[i] !== this) {\n          tracks[i].removeCue(cue);\n        }\n      }\n\n      this.cues_.push(cue);\n      this.cues.setCues_(this.cues_);\n    }\n    /**\n     * Remove a cue from our internal list\n     *\n     * @param {TextTrack~Cue} removeCue\n     *        The cue to remove from our internal list\n     */\n    ;\n\n    _proto.removeCue = function removeCue(_removeCue) {\n      var i = this.cues_.length;\n\n      while (i--) {\n        var cue = this.cues_[i];\n\n        if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {\n          this.cues_.splice(i, 1);\n          this.cues.setCues_(this.cues_);\n          break;\n        }\n      }\n    };\n\n    return TextTrack;\n  }(Track);\n  /**\n   * cuechange - One or more cues in the track have become active or stopped being active.\n   */\n\n\n  TextTrack.prototype.allowedEvents_ = {\n    cuechange: 'cuechange'\n  };\n\n  /**\n   * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}\n   * only one `AudioTrack` in the list will be enabled at a time.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}\n   * @extends Track\n   */\n\n  var AudioTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(AudioTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {AudioTrack~Kind} [options.kind='']\n     *        A valid audio track kind\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {boolean} [options.enabled]\n     *        If this track is the one that is currently playing. If this track is part of\n     *        an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.\n     */\n    function AudioTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var settings = mergeOptions(options, {\n        kind: AudioTrackKind[options.kind] || ''\n      });\n      _this = _Track.call(this, settings) || this;\n      var enabled = false;\n      /**\n       * @memberof AudioTrack\n       * @member {boolean} enabled\n       *         If this `AudioTrack` is enabled or not. When setting this will\n       *         fire {@link AudioTrack#enabledchange} if the state of enabled is changed.\n       * @instance\n       *\n       * @fires VideoTrack#selectedchange\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'enabled', {\n        get: function get() {\n          return enabled;\n        },\n        set: function set(newEnabled) {\n          // an invalid or unchanged value\n          if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {\n            return;\n          }\n\n          enabled = newEnabled;\n          /**\n           * An event that fires when enabled changes on this track. This allows\n           * the AudioTrackList that holds this track to act accordingly.\n           *\n           * > Note: This is not part of the spec! Native tracks will do\n           *         this internally without an event.\n           *\n           * @event AudioTrack#enabledchange\n           * @type {EventTarget~Event}\n           */\n\n          this.trigger('enabledchange');\n        }\n      }); // if the user sets this track to selected then\n      // set selected to that true value otherwise\n      // we keep it false\n\n      if (settings.enabled) {\n        _this.enabled = settings.enabled;\n      }\n\n      _this.loaded_ = true;\n      return _this;\n    }\n\n    return AudioTrack;\n  }(Track);\n\n  /**\n   * A representation of a single `VideoTrack`.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}\n   * @extends Track\n   */\n\n  var VideoTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(VideoTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {string} [options.kind='']\n     *        A valid {@link VideoTrack~Kind}\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {boolean} [options.selected]\n     *        If this track is the one that is currently playing.\n     */\n    function VideoTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var settings = mergeOptions(options, {\n        kind: VideoTrackKind[options.kind] || ''\n      });\n      _this = _Track.call(this, settings) || this;\n      var selected = false;\n      /**\n       * @memberof VideoTrack\n       * @member {boolean} selected\n       *         If this `VideoTrack` is selected or not. When setting this will\n       *         fire {@link VideoTrack#selectedchange} if the state of selected changed.\n       * @instance\n       *\n       * @fires VideoTrack#selectedchange\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'selected', {\n        get: function get() {\n          return selected;\n        },\n        set: function set(newSelected) {\n          // an invalid or unchanged value\n          if (typeof newSelected !== 'boolean' || newSelected === selected) {\n            return;\n          }\n\n          selected = newSelected;\n          /**\n           * An event that fires when selected changes on this track. This allows\n           * the VideoTrackList that holds this track to act accordingly.\n           *\n           * > Note: This is not part of the spec! Native tracks will do\n           *         this internally without an event.\n           *\n           * @event VideoTrack#selectedchange\n           * @type {EventTarget~Event}\n           */\n\n          this.trigger('selectedchange');\n        }\n      }); // if the user sets this track to selected then\n      // set selected to that true value otherwise\n      // we keep it false\n\n      if (settings.selected) {\n        _this.selected = settings.selected;\n      }\n\n      return _this;\n    }\n\n    return VideoTrack;\n  }(Track);\n\n  /**\n   * @memberof HTMLTrackElement\n   * @typedef {HTMLTrackElement~ReadyState}\n   * @enum {number}\n   */\n\n  var NONE = 0;\n  var LOADING = 1;\n  var LOADED = 2;\n  var ERROR = 3;\n  /**\n   * A single track represented in the DOM.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}\n   * @extends EventTarget\n   */\n\n  var HTMLTrackElement = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(HTMLTrackElement, _EventTarget);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} options={}\n     *        Object of option names and values\n     *\n     * @param {Tech} options.tech\n     *        A reference to the tech that owns this HTMLTrackElement.\n     *\n     * @param {TextTrack~Kind} [options.kind='subtitles']\n     *        A valid text track kind.\n     *\n     * @param {TextTrack~Mode} [options.mode='disabled']\n     *        A valid text track mode.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this TextTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {string} [options.srclang='']\n     *        A valid two character language code. An alternative, but deprioritized\n     *        vesion of `options.language`\n     *\n     * @param {string} [options.src]\n     *        A url to TextTrack cues.\n     *\n     * @param {boolean} [options.default]\n     *        If this track should default to on or off.\n     */\n    function HTMLTrackElement(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _EventTarget.call(this) || this;\n      var readyState;\n      var track = new TextTrack(options);\n      _this.kind = track.kind;\n      _this.src = track.src;\n      _this.srclang = track.language;\n      _this.label = track.label;\n      _this[\"default\"] = track[\"default\"];\n      Object.defineProperties(assertThisInitialized(_this), {\n        /**\n         * @memberof HTMLTrackElement\n         * @member {HTMLTrackElement~ReadyState} readyState\n         *         The current ready state of the track element.\n         * @instance\n         */\n        readyState: {\n          get: function get() {\n            return readyState;\n          }\n        },\n\n        /**\n         * @memberof HTMLTrackElement\n         * @member {TextTrack} track\n         *         The underlying TextTrack object.\n         * @instance\n         *\n         */\n        track: {\n          get: function get() {\n            return track;\n          }\n        }\n      });\n      readyState = NONE;\n      /**\n       * @listens TextTrack#loadeddata\n       * @fires HTMLTrackElement#load\n       */\n\n      track.addEventListener('loadeddata', function () {\n        readyState = LOADED;\n\n        _this.trigger({\n          type: 'load',\n          target: assertThisInitialized(_this)\n        });\n      });\n      return _this;\n    }\n\n    return HTMLTrackElement;\n  }(EventTarget);\n\n  HTMLTrackElement.prototype.allowedEvents_ = {\n    load: 'load'\n  };\n  HTMLTrackElement.NONE = NONE;\n  HTMLTrackElement.LOADING = LOADING;\n  HTMLTrackElement.LOADED = LOADED;\n  HTMLTrackElement.ERROR = ERROR;\n\n  /*\n   * This file contains all track properties that are used in\n   * player.js, tech.js, html5.js and possibly other techs in the future.\n   */\n\n  var NORMAL = {\n    audio: {\n      ListClass: AudioTrackList,\n      TrackClass: AudioTrack,\n      capitalName: 'Audio'\n    },\n    video: {\n      ListClass: VideoTrackList,\n      TrackClass: VideoTrack,\n      capitalName: 'Video'\n    },\n    text: {\n      ListClass: TextTrackList,\n      TrackClass: TextTrack,\n      capitalName: 'Text'\n    }\n  };\n  Object.keys(NORMAL).forEach(function (type) {\n    NORMAL[type].getterName = type + \"Tracks\";\n    NORMAL[type].privateName = type + \"Tracks_\";\n  });\n  var REMOTE = {\n    remoteText: {\n      ListClass: TextTrackList,\n      TrackClass: TextTrack,\n      capitalName: 'RemoteText',\n      getterName: 'remoteTextTracks',\n      privateName: 'remoteTextTracks_'\n    },\n    remoteTextEl: {\n      ListClass: HtmlTrackElementList,\n      TrackClass: HTMLTrackElement,\n      capitalName: 'RemoteTextTrackEls',\n      getterName: 'remoteTextTrackEls',\n      privateName: 'remoteTextTrackEls_'\n    }\n  };\n\n  var ALL = _extends_1({}, NORMAL, REMOTE);\n\n  REMOTE.names = Object.keys(REMOTE);\n  NORMAL.names = Object.keys(NORMAL);\n  ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n\n  /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */\n\n  /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */\n\n  var _objCreate = Object.create || function () {\n    function F() {}\n\n    return function (o) {\n      if (arguments.length !== 1) {\n        throw new Error('Object.create shim only accepts one parameter.');\n      }\n\n      F.prototype = o;\n      return new F();\n    };\n  }(); // Creates a new ParserError object from an errorData object. The errorData\n  // object should have default code and message properties. The default message\n  // property can be overriden by passing in a message parameter.\n  // See ParsingError.Errors below for acceptable errors.\n\n\n  function ParsingError(errorData, message) {\n    this.name = \"ParsingError\";\n    this.code = errorData.code;\n    this.message = message || errorData.message;\n  }\n\n  ParsingError.prototype = _objCreate(Error.prototype);\n  ParsingError.prototype.constructor = ParsingError; // ParsingError metadata for acceptable ParsingErrors.\n\n  ParsingError.Errors = {\n    BadSignature: {\n      code: 0,\n      message: \"Malformed WebVTT signature.\"\n    },\n    BadTimeStamp: {\n      code: 1,\n      message: \"Malformed time stamp.\"\n    }\n  }; // Try to parse input as a time stamp.\n\n  function parseTimeStamp(input) {\n    function computeSeconds(h, m, s, f) {\n      return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;\n    }\n\n    var m = input.match(/^(\\d+):(\\d{1,2})(:\\d{1,2})?\\.(\\d{3})/);\n\n    if (!m) {\n      return null;\n    }\n\n    if (m[3]) {\n      // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]\n      return computeSeconds(m[1], m[2], m[3].replace(\":\", \"\"), m[4]);\n    } else if (m[1] > 59) {\n      // Timestamp takes the form of [hours]:[minutes].[milliseconds]\n      // First position is hours as it's over 59.\n      return computeSeconds(m[1], m[2], 0, m[4]);\n    } else {\n      // Timestamp takes the form of [minutes]:[seconds].[milliseconds]\n      return computeSeconds(0, m[1], m[2], m[4]);\n    }\n  } // A settings object holds key/value pairs and will ignore anything but the first\n  // assignment to a specific key.\n\n\n  function Settings() {\n    this.values = _objCreate(null);\n  }\n\n  Settings.prototype = {\n    // Only accept the first assignment to any key.\n    set: function set(k, v) {\n      if (!this.get(k) && v !== \"\") {\n        this.values[k] = v;\n      }\n    },\n    // Return the value for a key, or a default value.\n    // If 'defaultKey' is passed then 'dflt' is assumed to be an object with\n    // a number of possible default values as properties where 'defaultKey' is\n    // the key of the property that will be chosen; otherwise it's assumed to be\n    // a single value.\n    get: function get(k, dflt, defaultKey) {\n      if (defaultKey) {\n        return this.has(k) ? this.values[k] : dflt[defaultKey];\n      }\n\n      return this.has(k) ? this.values[k] : dflt;\n    },\n    // Check whether we have a value for a key.\n    has: function has(k) {\n      return k in this.values;\n    },\n    // Accept a setting if its one of the given alternatives.\n    alt: function alt(k, v, a) {\n      for (var n = 0; n < a.length; ++n) {\n        if (v === a[n]) {\n          this.set(k, v);\n          break;\n        }\n      }\n    },\n    // Accept a setting if its a valid (signed) integer.\n    integer: function integer(k, v) {\n      if (/^-?\\d+$/.test(v)) {\n        // integer\n        this.set(k, parseInt(v, 10));\n      }\n    },\n    // Accept a setting if its a valid percentage.\n    percent: function percent(k, v) {\n      var m;\n\n      if (m = v.match(/^([\\d]{1,3})(\\.[\\d]*)?%$/)) {\n        v = parseFloat(v);\n\n        if (v >= 0 && v <= 100) {\n          this.set(k, v);\n          return true;\n        }\n      }\n\n      return false;\n    }\n  }; // Helper function to parse input into groups separated by 'groupDelim', and\n  // interprete each group as a key/value pair separated by 'keyValueDelim'.\n\n  function parseOptions(input, callback, keyValueDelim, groupDelim) {\n    var groups = groupDelim ? input.split(groupDelim) : [input];\n\n    for (var i in groups) {\n      if (typeof groups[i] !== \"string\") {\n        continue;\n      }\n\n      var kv = groups[i].split(keyValueDelim);\n\n      if (kv.length !== 2) {\n        continue;\n      }\n\n      var k = kv[0];\n      var v = kv[1];\n      callback(k, v);\n    }\n  }\n\n  function parseCue(input, cue, regionList) {\n    // Remember the original input if we need to throw an error.\n    var oInput = input; // 4.1 WebVTT timestamp\n\n    function consumeTimeStamp() {\n      var ts = parseTimeStamp(input);\n\n      if (ts === null) {\n        throw new ParsingError(ParsingError.Errors.BadTimeStamp, \"Malformed timestamp: \" + oInput);\n      } // Remove time stamp from input.\n\n\n      input = input.replace(/^[^\\sa-zA-Z-]+/, \"\");\n      return ts;\n    } // 4.4.2 WebVTT cue settings\n\n\n    function consumeCueSettings(input, cue) {\n      var settings = new Settings();\n      parseOptions(input, function (k, v) {\n        switch (k) {\n          case \"region\":\n            // Find the last region we parsed with the same region id.\n            for (var i = regionList.length - 1; i >= 0; i--) {\n              if (regionList[i].id === v) {\n                settings.set(k, regionList[i].region);\n                break;\n              }\n            }\n\n            break;\n\n          case \"vertical\":\n            settings.alt(k, v, [\"rl\", \"lr\"]);\n            break;\n\n          case \"line\":\n            var vals = v.split(\",\"),\n                vals0 = vals[0];\n            settings.integer(k, vals0);\n            settings.percent(k, vals0) ? settings.set(\"snapToLines\", false) : null;\n            settings.alt(k, vals0, [\"auto\"]);\n\n            if (vals.length === 2) {\n              settings.alt(\"lineAlign\", vals[1], [\"start\", \"center\", \"end\"]);\n            }\n\n            break;\n\n          case \"position\":\n            vals = v.split(\",\");\n            settings.percent(k, vals[0]);\n\n            if (vals.length === 2) {\n              settings.alt(\"positionAlign\", vals[1], [\"start\", \"center\", \"end\"]);\n            }\n\n            break;\n\n          case \"size\":\n            settings.percent(k, v);\n            break;\n\n          case \"align\":\n            settings.alt(k, v, [\"start\", \"center\", \"end\", \"left\", \"right\"]);\n            break;\n        }\n      }, /:/, /\\s/); // Apply default values for any missing fields.\n\n      cue.region = settings.get(\"region\", null);\n      cue.vertical = settings.get(\"vertical\", \"\");\n\n      try {\n        cue.line = settings.get(\"line\", \"auto\");\n      } catch (e) {}\n\n      cue.lineAlign = settings.get(\"lineAlign\", \"start\");\n      cue.snapToLines = settings.get(\"snapToLines\", true);\n      cue.size = settings.get(\"size\", 100); // Safari still uses the old middle value and won't accept center\n\n      try {\n        cue.align = settings.get(\"align\", \"center\");\n      } catch (e) {\n        cue.align = settings.get(\"align\", \"middle\");\n      }\n\n      try {\n        cue.position = settings.get(\"position\", \"auto\");\n      } catch (e) {\n        cue.position = settings.get(\"position\", {\n          start: 0,\n          left: 0,\n          center: 50,\n          middle: 50,\n          end: 100,\n          right: 100\n        }, cue.align);\n      }\n\n      cue.positionAlign = settings.get(\"positionAlign\", {\n        start: \"start\",\n        left: \"start\",\n        center: \"center\",\n        middle: \"center\",\n        end: \"end\",\n        right: \"end\"\n      }, cue.align);\n    }\n\n    function skipWhitespace() {\n      input = input.replace(/^\\s+/, \"\");\n    } // 4.1 WebVTT cue timings.\n\n\n    skipWhitespace();\n    cue.startTime = consumeTimeStamp(); // (1) collect cue start time\n\n    skipWhitespace();\n\n    if (input.substr(0, 3) !== \"-->\") {\n      // (3) next characters must match \"-->\"\n      throw new ParsingError(ParsingError.Errors.BadTimeStamp, \"Malformed time stamp (time stamps must be separated by '-->'): \" + oInput);\n    }\n\n    input = input.substr(3);\n    skipWhitespace();\n    cue.endTime = consumeTimeStamp(); // (5) collect cue end time\n    // 4.1 WebVTT cue settings list.\n\n    skipWhitespace();\n    consumeCueSettings(input, cue);\n  }\n\n  var TEXTAREA_ELEMENT = document.createElement(\"textarea\");\n  var TAG_NAME = {\n    c: \"span\",\n    i: \"i\",\n    b: \"b\",\n    u: \"u\",\n    ruby: \"ruby\",\n    rt: \"rt\",\n    v: \"span\",\n    lang: \"span\"\n  }; // 5.1 default text color\n  // 5.2 default text background color is equivalent to text color with bg_ prefix\n\n  var DEFAULT_COLOR_CLASS = {\n    white: 'rgba(255,255,255,1)',\n    lime: 'rgba(0,255,0,1)',\n    cyan: 'rgba(0,255,255,1)',\n    red: 'rgba(255,0,0,1)',\n    yellow: 'rgba(255,255,0,1)',\n    magenta: 'rgba(255,0,255,1)',\n    blue: 'rgba(0,0,255,1)',\n    black: 'rgba(0,0,0,1)'\n  };\n  var TAG_ANNOTATION = {\n    v: \"title\",\n    lang: \"lang\"\n  };\n  var NEEDS_PARENT = {\n    rt: \"ruby\"\n  }; // Parse content into a document fragment.\n\n  function parseContent(window, input) {\n    function nextToken() {\n      // Check for end-of-string.\n      if (!input) {\n        return null;\n      } // Consume 'n' characters from the input.\n\n\n      function consume(result) {\n        input = input.substr(result.length);\n        return result;\n      }\n\n      var m = input.match(/^([^<]*)(<[^>]*>?)?/); // If there is some text before the next tag, return it, otherwise return\n      // the tag.\n\n      return consume(m[1] ? m[1] : m[2]);\n    }\n\n    function unescape(s) {\n      TEXTAREA_ELEMENT.innerHTML = s;\n      s = TEXTAREA_ELEMENT.textContent;\n      TEXTAREA_ELEMENT.textContent = \"\";\n      return s;\n    }\n\n    function shouldAdd(current, element) {\n      return !NEEDS_PARENT[element.localName] || NEEDS_PARENT[element.localName] === current.localName;\n    } // Create an element for this tag.\n\n\n    function createElement(type, annotation) {\n      var tagName = TAG_NAME[type];\n\n      if (!tagName) {\n        return null;\n      }\n\n      var element = window.document.createElement(tagName);\n      var name = TAG_ANNOTATION[type];\n\n      if (name && annotation) {\n        element[name] = annotation.trim();\n      }\n\n      return element;\n    }\n\n    var rootDiv = window.document.createElement(\"div\"),\n        current = rootDiv,\n        t,\n        tagStack = [];\n\n    while ((t = nextToken()) !== null) {\n      if (t[0] === '<') {\n        if (t[1] === \"/\") {\n          // If the closing tag matches, move back up to the parent node.\n          if (tagStack.length && tagStack[tagStack.length - 1] === t.substr(2).replace(\">\", \"\")) {\n            tagStack.pop();\n            current = current.parentNode;\n          } // Otherwise just ignore the end tag.\n\n\n          continue;\n        }\n\n        var ts = parseTimeStamp(t.substr(1, t.length - 2));\n        var node;\n\n        if (ts) {\n          // Timestamps are lead nodes as well.\n          node = window.document.createProcessingInstruction(\"timestamp\", ts);\n          current.appendChild(node);\n          continue;\n        }\n\n        var m = t.match(/^<([^.\\s/0-9>]+)(\\.[^\\s\\\\>]+)?([^>\\\\]+)?(\\\\?)>?$/); // If we can't parse the tag, skip to the next tag.\n\n        if (!m) {\n          continue;\n        } // Try to construct an element, and ignore the tag if we couldn't.\n\n\n        node = createElement(m[1], m[3]);\n\n        if (!node) {\n          continue;\n        } // Determine if the tag should be added based on the context of where it\n        // is placed in the cuetext.\n\n\n        if (!shouldAdd(current, node)) {\n          continue;\n        } // Set the class list (as a list of classes, separated by space).\n\n\n        if (m[2]) {\n          var classes = m[2].split('.');\n          classes.forEach(function (cl) {\n            var bgColor = /^bg_/.test(cl); // slice out `bg_` if it's a background color\n\n            var colorName = bgColor ? cl.slice(3) : cl;\n\n            if (DEFAULT_COLOR_CLASS.hasOwnProperty(colorName)) {\n              var propName = bgColor ? 'background-color' : 'color';\n              var propValue = DEFAULT_COLOR_CLASS[colorName];\n              node.style[propName] = propValue;\n            }\n          });\n          node.className = classes.join(' ');\n        } // Append the node to the current node, and enter the scope of the new\n        // node.\n\n\n        tagStack.push(m[1]);\n        current.appendChild(node);\n        current = node;\n        continue;\n      } // Text nodes are leaf nodes.\n\n\n      current.appendChild(window.document.createTextNode(unescape(t)));\n    }\n\n    return rootDiv;\n  } // This is a list of all the Unicode characters that have a strong\n  // right-to-left category. What this means is that these characters are\n  // written right-to-left for sure. It was generated by pulling all the strong\n  // right-to-left characters out of the Unicode data table. That table can\n  // found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt\n\n\n  var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6], [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d], [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6], [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5], [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815], [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858], [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f], [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c], [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1], [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc], [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808], [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855], [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f], [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13], [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58], [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72], [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f], [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32], [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42], [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f], [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59], [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62], [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77], [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b], [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];\n\n  function isStrongRTLChar(charCode) {\n    for (var i = 0; i < strongRTLRanges.length; i++) {\n      var currentRange = strongRTLRanges[i];\n\n      if (charCode >= currentRange[0] && charCode <= currentRange[1]) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  function determineBidi(cueDiv) {\n    var nodeStack = [],\n        text = \"\",\n        charCode;\n\n    if (!cueDiv || !cueDiv.childNodes) {\n      return \"ltr\";\n    }\n\n    function pushNodes(nodeStack, node) {\n      for (var i = node.childNodes.length - 1; i >= 0; i--) {\n        nodeStack.push(node.childNodes[i]);\n      }\n    }\n\n    function nextTextNode(nodeStack) {\n      if (!nodeStack || !nodeStack.length) {\n        return null;\n      }\n\n      var node = nodeStack.pop(),\n          text = node.textContent || node.innerText;\n\n      if (text) {\n        // TODO: This should match all unicode type B characters (paragraph\n        // separator characters). See issue #115.\n        var m = text.match(/^.*(\\n|\\r)/);\n\n        if (m) {\n          nodeStack.length = 0;\n          return m[0];\n        }\n\n        return text;\n      }\n\n      if (node.tagName === \"ruby\") {\n        return nextTextNode(nodeStack);\n      }\n\n      if (node.childNodes) {\n        pushNodes(nodeStack, node);\n        return nextTextNode(nodeStack);\n      }\n    }\n\n    pushNodes(nodeStack, cueDiv);\n\n    while (text = nextTextNode(nodeStack)) {\n      for (var i = 0; i < text.length; i++) {\n        charCode = text.charCodeAt(i);\n\n        if (isStrongRTLChar(charCode)) {\n          return \"rtl\";\n        }\n      }\n    }\n\n    return \"ltr\";\n  }\n\n  function computeLinePos(cue) {\n    if (typeof cue.line === \"number\" && (cue.snapToLines || cue.line >= 0 && cue.line <= 100)) {\n      return cue.line;\n    }\n\n    if (!cue.track || !cue.track.textTrackList || !cue.track.textTrackList.mediaElement) {\n      return -1;\n    }\n\n    var track = cue.track,\n        trackList = track.textTrackList,\n        count = 0;\n\n    for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {\n      if (trackList[i].mode === \"showing\") {\n        count++;\n      }\n    }\n\n    return ++count * -1;\n  }\n\n  function StyleBox() {} // Apply styles to a div. If there is no div passed then it defaults to the\n  // div on 'this'.\n\n\n  StyleBox.prototype.applyStyles = function (styles, div) {\n    div = div || this.div;\n\n    for (var prop in styles) {\n      if (styles.hasOwnProperty(prop)) {\n        div.style[prop] = styles[prop];\n      }\n    }\n  };\n\n  StyleBox.prototype.formatStyle = function (val, unit) {\n    return val === 0 ? 0 : val + unit;\n  }; // Constructs the computed display state of the cue (a div). Places the div\n  // into the overlay which should be a block level element (usually a div).\n\n\n  function CueStyleBox(window, cue, styleOptions) {\n    StyleBox.call(this);\n    this.cue = cue; // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will\n    // have inline positioning and will function as the cue background box.\n\n    this.cueDiv = parseContent(window, cue.text);\n    var styles = {\n      color: \"rgba(255, 255, 255, 1)\",\n      backgroundColor: \"rgba(0, 0, 0, 0.8)\",\n      position: \"relative\",\n      left: 0,\n      right: 0,\n      top: 0,\n      bottom: 0,\n      display: \"inline\",\n      writingMode: cue.vertical === \"\" ? \"horizontal-tb\" : cue.vertical === \"lr\" ? \"vertical-lr\" : \"vertical-rl\",\n      unicodeBidi: \"plaintext\"\n    };\n    this.applyStyles(styles, this.cueDiv); // Create an absolutely positioned div that will be used to position the cue\n    // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS\n    // mirrors of them except middle instead of center on Safari.\n\n    this.div = window.document.createElement(\"div\");\n    styles = {\n      direction: determineBidi(this.cueDiv),\n      writingMode: cue.vertical === \"\" ? \"horizontal-tb\" : cue.vertical === \"lr\" ? \"vertical-lr\" : \"vertical-rl\",\n      unicodeBidi: \"plaintext\",\n      textAlign: cue.align === \"middle\" ? \"center\" : cue.align,\n      font: styleOptions.font,\n      whiteSpace: \"pre-line\",\n      position: \"absolute\"\n    };\n    this.applyStyles(styles);\n    this.div.appendChild(this.cueDiv); // Calculate the distance from the reference edge of the viewport to the text\n    // position of the cue box. The reference edge will be resolved later when\n    // the box orientation styles are applied.\n\n    var textPos = 0;\n\n    switch (cue.positionAlign) {\n      case \"start\":\n        textPos = cue.position;\n        break;\n\n      case \"center\":\n        textPos = cue.position - cue.size / 2;\n        break;\n\n      case \"end\":\n        textPos = cue.position - cue.size;\n        break;\n    } // Horizontal box orientation; textPos is the distance from the left edge of the\n    // area to the left edge of the box and cue.size is the distance extending to\n    // the right from there.\n\n\n    if (cue.vertical === \"\") {\n      this.applyStyles({\n        left: this.formatStyle(textPos, \"%\"),\n        width: this.formatStyle(cue.size, \"%\")\n      }); // Vertical box orientation; textPos is the distance from the top edge of the\n      // area to the top edge of the box and cue.size is the height extending\n      // downwards from there.\n    } else {\n      this.applyStyles({\n        top: this.formatStyle(textPos, \"%\"),\n        height: this.formatStyle(cue.size, \"%\")\n      });\n    }\n\n    this.move = function (box) {\n      this.applyStyles({\n        top: this.formatStyle(box.top, \"px\"),\n        bottom: this.formatStyle(box.bottom, \"px\"),\n        left: this.formatStyle(box.left, \"px\"),\n        right: this.formatStyle(box.right, \"px\"),\n        height: this.formatStyle(box.height, \"px\"),\n        width: this.formatStyle(box.width, \"px\")\n      });\n    };\n  }\n\n  CueStyleBox.prototype = _objCreate(StyleBox.prototype);\n  CueStyleBox.prototype.constructor = CueStyleBox; // Represents the co-ordinates of an Element in a way that we can easily\n  // compute things with such as if it overlaps or intersects with another Element.\n  // Can initialize it with either a StyleBox or another BoxPosition.\n\n  function BoxPosition(obj) {\n    // Either a BoxPosition was passed in and we need to copy it, or a StyleBox\n    // was passed in and we need to copy the results of 'getBoundingClientRect'\n    // as the object returned is readonly. All co-ordinate values are in reference\n    // to the viewport origin (top left).\n    var lh, height, width, top;\n\n    if (obj.div) {\n      height = obj.div.offsetHeight;\n      width = obj.div.offsetWidth;\n      top = obj.div.offsetTop;\n      var rects = (rects = obj.div.childNodes) && (rects = rects[0]) && rects.getClientRects && rects.getClientRects();\n      obj = obj.div.getBoundingClientRect(); // In certain cases the outter div will be slightly larger then the sum of\n      // the inner div's lines. This could be due to bold text, etc, on some platforms.\n      // In this case we should get the average line height and use that. This will\n      // result in the desired behaviour.\n\n      lh = rects ? Math.max(rects[0] && rects[0].height || 0, obj.height / rects.length) : 0;\n    }\n\n    this.left = obj.left;\n    this.right = obj.right;\n    this.top = obj.top || top;\n    this.height = obj.height || height;\n    this.bottom = obj.bottom || top + (obj.height || height);\n    this.width = obj.width || width;\n    this.lineHeight = lh !== undefined ? lh : obj.lineHeight;\n  } // Move the box along a particular axis. Optionally pass in an amount to move\n  // the box. If no amount is passed then the default is the line height of the\n  // box.\n\n\n  BoxPosition.prototype.move = function (axis, toMove) {\n    toMove = toMove !== undefined ? toMove : this.lineHeight;\n\n    switch (axis) {\n      case \"+x\":\n        this.left += toMove;\n        this.right += toMove;\n        break;\n\n      case \"-x\":\n        this.left -= toMove;\n        this.right -= toMove;\n        break;\n\n      case \"+y\":\n        this.top += toMove;\n        this.bottom += toMove;\n        break;\n\n      case \"-y\":\n        this.top -= toMove;\n        this.bottom -= toMove;\n        break;\n    }\n  }; // Check if this box overlaps another box, b2.\n\n\n  BoxPosition.prototype.overlaps = function (b2) {\n    return this.left < b2.right && this.right > b2.left && this.top < b2.bottom && this.bottom > b2.top;\n  }; // Check if this box overlaps any other boxes in boxes.\n\n\n  BoxPosition.prototype.overlapsAny = function (boxes) {\n    for (var i = 0; i < boxes.length; i++) {\n      if (this.overlaps(boxes[i])) {\n        return true;\n      }\n    }\n\n    return false;\n  }; // Check if this box is within another box.\n\n\n  BoxPosition.prototype.within = function (container) {\n    return this.top >= container.top && this.bottom <= container.bottom && this.left >= container.left && this.right <= container.right;\n  }; // Check if this box is entirely within the container or it is overlapping\n  // on the edge opposite of the axis direction passed. For example, if \"+x\" is\n  // passed and the box is overlapping on the left edge of the container, then\n  // return true.\n\n\n  BoxPosition.prototype.overlapsOppositeAxis = function (container, axis) {\n    switch (axis) {\n      case \"+x\":\n        return this.left < container.left;\n\n      case \"-x\":\n        return this.right > container.right;\n\n      case \"+y\":\n        return this.top < container.top;\n\n      case \"-y\":\n        return this.bottom > container.bottom;\n    }\n  }; // Find the percentage of the area that this box is overlapping with another\n  // box.\n\n\n  BoxPosition.prototype.intersectPercentage = function (b2) {\n    var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),\n        y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),\n        intersectArea = x * y;\n    return intersectArea / (this.height * this.width);\n  }; // Convert the positions from this box to CSS compatible positions using\n  // the reference container's positions. This has to be done because this\n  // box's positions are in reference to the viewport origin, whereas, CSS\n  // values are in referecne to their respective edges.\n\n\n  BoxPosition.prototype.toCSSCompatValues = function (reference) {\n    return {\n      top: this.top - reference.top,\n      bottom: reference.bottom - this.bottom,\n      left: this.left - reference.left,\n      right: reference.right - this.right,\n      height: this.height,\n      width: this.width\n    };\n  }; // Get an object that represents the box's position without anything extra.\n  // Can pass a StyleBox, HTMLElement, or another BoxPositon.\n\n\n  BoxPosition.getSimpleBoxPosition = function (obj) {\n    var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;\n    var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;\n    var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;\n    obj = obj.div ? obj.div.getBoundingClientRect() : obj.tagName ? obj.getBoundingClientRect() : obj;\n    var ret = {\n      left: obj.left,\n      right: obj.right,\n      top: obj.top || top,\n      height: obj.height || height,\n      bottom: obj.bottom || top + (obj.height || height),\n      width: obj.width || width\n    };\n    return ret;\n  }; // Move a StyleBox to its specified, or next best, position. The containerBox\n  // is the box that contains the StyleBox, such as a div. boxPositions are\n  // a list of other boxes that the styleBox can't overlap with.\n\n\n  function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {\n    // Find the best position for a cue box, b, on the video. The axis parameter\n    // is a list of axis, the order of which, it will move the box along. For example:\n    // Passing [\"+x\", \"-x\"] will move the box first along the x axis in the positive\n    // direction. If it doesn't find a good position for it there it will then move\n    // it along the x axis in the negative direction.\n    function findBestPosition(b, axis) {\n      var bestPosition,\n          specifiedPosition = new BoxPosition(b),\n          percentage = 1; // Highest possible so the first thing we get is better.\n\n      for (var i = 0; i < axis.length; i++) {\n        while (b.overlapsOppositeAxis(containerBox, axis[i]) || b.within(containerBox) && b.overlapsAny(boxPositions)) {\n          b.move(axis[i]);\n        } // We found a spot where we aren't overlapping anything. This is our\n        // best position.\n\n\n        if (b.within(containerBox)) {\n          return b;\n        }\n\n        var p = b.intersectPercentage(containerBox); // If we're outside the container box less then we were on our last try\n        // then remember this position as the best position.\n\n        if (percentage > p) {\n          bestPosition = new BoxPosition(b);\n          percentage = p;\n        } // Reset the box position to the specified position.\n\n\n        b = new BoxPosition(specifiedPosition);\n      }\n\n      return bestPosition || specifiedPosition;\n    }\n\n    var boxPosition = new BoxPosition(styleBox),\n        cue = styleBox.cue,\n        linePos = computeLinePos(cue),\n        axis = []; // If we have a line number to align the cue to.\n\n    if (cue.snapToLines) {\n      var size;\n\n      switch (cue.vertical) {\n        case \"\":\n          axis = [\"+y\", \"-y\"];\n          size = \"height\";\n          break;\n\n        case \"rl\":\n          axis = [\"+x\", \"-x\"];\n          size = \"width\";\n          break;\n\n        case \"lr\":\n          axis = [\"-x\", \"+x\"];\n          size = \"width\";\n          break;\n      }\n\n      var step = boxPosition.lineHeight,\n          position = step * Math.round(linePos),\n          maxPosition = containerBox[size] + step,\n          initialAxis = axis[0]; // If the specified intial position is greater then the max position then\n      // clamp the box to the amount of steps it would take for the box to\n      // reach the max position.\n\n      if (Math.abs(position) > maxPosition) {\n        position = position < 0 ? -1 : 1;\n        position *= Math.ceil(maxPosition / step) * step;\n      } // If computed line position returns negative then line numbers are\n      // relative to the bottom of the video instead of the top. Therefore, we\n      // need to increase our initial position by the length or width of the\n      // video, depending on the writing direction, and reverse our axis directions.\n\n\n      if (linePos < 0) {\n        position += cue.vertical === \"\" ? containerBox.height : containerBox.width;\n        axis = axis.reverse();\n      } // Move the box to the specified position. This may not be its best\n      // position.\n\n\n      boxPosition.move(initialAxis, position);\n    } else {\n      // If we have a percentage line value for the cue.\n      var calculatedPercentage = boxPosition.lineHeight / containerBox.height * 100;\n\n      switch (cue.lineAlign) {\n        case \"center\":\n          linePos -= calculatedPercentage / 2;\n          break;\n\n        case \"end\":\n          linePos -= calculatedPercentage;\n          break;\n      } // Apply initial line position to the cue box.\n\n\n      switch (cue.vertical) {\n        case \"\":\n          styleBox.applyStyles({\n            top: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n\n        case \"rl\":\n          styleBox.applyStyles({\n            left: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n\n        case \"lr\":\n          styleBox.applyStyles({\n            right: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n      }\n\n      axis = [\"+y\", \"-x\", \"+x\", \"-y\"]; // Get the box position again after we've applied the specified positioning\n      // to it.\n\n      boxPosition = new BoxPosition(styleBox);\n    }\n\n    var bestPosition = findBestPosition(boxPosition, axis);\n    styleBox.move(bestPosition.toCSSCompatValues(containerBox));\n  }\n\n  function WebVTT$1() {} // Nothing\n  // Helper to allow strings to be decoded instead of the default binary utf8 data.\n\n\n  WebVTT$1.StringDecoder = function () {\n    return {\n      decode: function decode(data) {\n        if (!data) {\n          return \"\";\n        }\n\n        if (typeof data !== \"string\") {\n          throw new Error(\"Error - expected string data.\");\n        }\n\n        return decodeURIComponent(encodeURIComponent(data));\n      }\n    };\n  };\n\n  WebVTT$1.convertCueToDOMTree = function (window, cuetext) {\n    if (!window || !cuetext) {\n      return null;\n    }\n\n    return parseContent(window, cuetext);\n  };\n\n  var FONT_SIZE_PERCENT = 0.05;\n  var FONT_STYLE = \"sans-serif\";\n  var CUE_BACKGROUND_PADDING = \"1.5%\"; // Runs the processing model over the cues and regions passed to it.\n  // @param overlay A block level element (usually a div) that the computed cues\n  //                and regions will be placed into.\n\n  WebVTT$1.processCues = function (window, cues, overlay) {\n    if (!window || !cues || !overlay) {\n      return null;\n    } // Remove all previous children.\n\n\n    while (overlay.firstChild) {\n      overlay.removeChild(overlay.firstChild);\n    }\n\n    var paddedOverlay = window.document.createElement(\"div\");\n    paddedOverlay.style.position = \"absolute\";\n    paddedOverlay.style.left = \"0\";\n    paddedOverlay.style.right = \"0\";\n    paddedOverlay.style.top = \"0\";\n    paddedOverlay.style.bottom = \"0\";\n    paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;\n    overlay.appendChild(paddedOverlay); // Determine if we need to compute the display states of the cues. This could\n    // be the case if a cue's state has been changed since the last computation or\n    // if it has not been computed yet.\n\n    function shouldCompute(cues) {\n      for (var i = 0; i < cues.length; i++) {\n        if (cues[i].hasBeenReset || !cues[i].displayState) {\n          return true;\n        }\n      }\n\n      return false;\n    } // We don't need to recompute the cues' display states. Just reuse them.\n\n\n    if (!shouldCompute(cues)) {\n      for (var i = 0; i < cues.length; i++) {\n        paddedOverlay.appendChild(cues[i].displayState);\n      }\n\n      return;\n    }\n\n    var boxPositions = [],\n        containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),\n        fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;\n    var styleOptions = {\n      font: fontSize + \"px \" + FONT_STYLE\n    };\n\n    (function () {\n      var styleBox, cue;\n\n      for (var i = 0; i < cues.length; i++) {\n        cue = cues[i]; // Compute the intial position and styles of the cue div.\n\n        styleBox = new CueStyleBox(window, cue, styleOptions);\n        paddedOverlay.appendChild(styleBox.div); // Move the cue div to it's correct line position.\n\n        moveBoxToLinePosition(window, styleBox, containerBox, boxPositions); // Remember the computed div so that we don't have to recompute it later\n        // if we don't have too.\n\n        cue.displayState = styleBox.div;\n        boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));\n      }\n    })();\n  };\n\n  WebVTT$1.Parser = function (window, vttjs, decoder) {\n    if (!decoder) {\n      decoder = vttjs;\n      vttjs = {};\n    }\n\n    if (!vttjs) {\n      vttjs = {};\n    }\n\n    this.window = window;\n    this.vttjs = vttjs;\n    this.state = \"INITIAL\";\n    this.buffer = \"\";\n    this.decoder = decoder || new TextDecoder(\"utf8\");\n    this.regionList = [];\n  };\n\n  WebVTT$1.Parser.prototype = {\n    // If the error is a ParsingError then report it to the consumer if\n    // possible. If it's not a ParsingError then throw it like normal.\n    reportOrThrowError: function reportOrThrowError(e) {\n      if (e instanceof ParsingError) {\n        this.onparsingerror && this.onparsingerror(e);\n      } else {\n        throw e;\n      }\n    },\n    parse: function parse(data) {\n      var self = this; // If there is no data then we won't decode it, but will just try to parse\n      // whatever is in buffer already. This may occur in circumstances, for\n      // example when flush() is called.\n\n      if (data) {\n        // Try to decode the data that we received.\n        self.buffer += self.decoder.decode(data, {\n          stream: true\n        });\n      }\n\n      function collectNextLine() {\n        var buffer = self.buffer;\n        var pos = 0;\n\n        while (pos < buffer.length && buffer[pos] !== '\\r' && buffer[pos] !== '\\n') {\n          ++pos;\n        }\n\n        var line = buffer.substr(0, pos); // Advance the buffer early in case we fail below.\n\n        if (buffer[pos] === '\\r') {\n          ++pos;\n        }\n\n        if (buffer[pos] === '\\n') {\n          ++pos;\n        }\n\n        self.buffer = buffer.substr(pos);\n        return line;\n      } // 3.4 WebVTT region and WebVTT region settings syntax\n\n\n      function parseRegion(input) {\n        var settings = new Settings();\n        parseOptions(input, function (k, v) {\n          switch (k) {\n            case \"id\":\n              settings.set(k, v);\n              break;\n\n            case \"width\":\n              settings.percent(k, v);\n              break;\n\n            case \"lines\":\n              settings.integer(k, v);\n              break;\n\n            case \"regionanchor\":\n            case \"viewportanchor\":\n              var xy = v.split(',');\n\n              if (xy.length !== 2) {\n                break;\n              } // We have to make sure both x and y parse, so use a temporary\n              // settings object here.\n\n\n              var anchor = new Settings();\n              anchor.percent(\"x\", xy[0]);\n              anchor.percent(\"y\", xy[1]);\n\n              if (!anchor.has(\"x\") || !anchor.has(\"y\")) {\n                break;\n              }\n\n              settings.set(k + \"X\", anchor.get(\"x\"));\n              settings.set(k + \"Y\", anchor.get(\"y\"));\n              break;\n\n            case \"scroll\":\n              settings.alt(k, v, [\"up\"]);\n              break;\n          }\n        }, /=/, /\\s/); // Create the region, using default values for any values that were not\n        // specified.\n\n        if (settings.has(\"id\")) {\n          var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();\n          region.width = settings.get(\"width\", 100);\n          region.lines = settings.get(\"lines\", 3);\n          region.regionAnchorX = settings.get(\"regionanchorX\", 0);\n          region.regionAnchorY = settings.get(\"regionanchorY\", 100);\n          region.viewportAnchorX = settings.get(\"viewportanchorX\", 0);\n          region.viewportAnchorY = settings.get(\"viewportanchorY\", 100);\n          region.scroll = settings.get(\"scroll\", \"\"); // Register the region.\n\n          self.onregion && self.onregion(region); // Remember the VTTRegion for later in case we parse any VTTCues that\n          // reference it.\n\n          self.regionList.push({\n            id: settings.get(\"id\"),\n            region: region\n          });\n        }\n      } // draft-pantos-http-live-streaming-20\n      // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5\n      // 3.5 WebVTT\n\n\n      function parseTimestampMap(input) {\n        var settings = new Settings();\n        parseOptions(input, function (k, v) {\n          switch (k) {\n            case \"MPEGT\":\n              settings.integer(k + 'S', v);\n              break;\n\n            case \"LOCA\":\n              settings.set(k + 'L', parseTimeStamp(v));\n              break;\n          }\n        }, /[^\\d]:/, /,/);\n        self.ontimestampmap && self.ontimestampmap({\n          \"MPEGTS\": settings.get(\"MPEGTS\"),\n          \"LOCAL\": settings.get(\"LOCAL\")\n        });\n      } // 3.2 WebVTT metadata header syntax\n\n\n      function parseHeader(input) {\n        if (input.match(/X-TIMESTAMP-MAP/)) {\n          // This line contains HLS X-TIMESTAMP-MAP metadata\n          parseOptions(input, function (k, v) {\n            switch (k) {\n              case \"X-TIMESTAMP-MAP\":\n                parseTimestampMap(v);\n                break;\n            }\n          }, /=/);\n        } else {\n          parseOptions(input, function (k, v) {\n            switch (k) {\n              case \"Region\":\n                // 3.3 WebVTT region metadata header syntax\n                parseRegion(v);\n                break;\n            }\n          }, /:/);\n        }\n      } // 5.1 WebVTT file parsing.\n\n\n      try {\n        var line;\n\n        if (self.state === \"INITIAL\") {\n          // We can't start parsing until we have the first line.\n          if (!/\\r\\n|\\n/.test(self.buffer)) {\n            return this;\n          }\n\n          line = collectNextLine();\n          var m = line.match(/^WEBVTT([ \\t].*)?$/);\n\n          if (!m || !m[0]) {\n            throw new ParsingError(ParsingError.Errors.BadSignature);\n          }\n\n          self.state = \"HEADER\";\n        }\n\n        var alreadyCollectedLine = false;\n\n        while (self.buffer) {\n          // We can't parse a line until we have the full line.\n          if (!/\\r\\n|\\n/.test(self.buffer)) {\n            return this;\n          }\n\n          if (!alreadyCollectedLine) {\n            line = collectNextLine();\n          } else {\n            alreadyCollectedLine = false;\n          }\n\n          switch (self.state) {\n            case \"HEADER\":\n              // 13-18 - Allow a header (metadata) under the WEBVTT line.\n              if (/:/.test(line)) {\n                parseHeader(line);\n              } else if (!line) {\n                // An empty line terminates the header and starts the body (cues).\n                self.state = \"ID\";\n              }\n\n              continue;\n\n            case \"NOTE\":\n              // Ignore NOTE blocks.\n              if (!line) {\n                self.state = \"ID\";\n              }\n\n              continue;\n\n            case \"ID\":\n              // Check for the start of NOTE blocks.\n              if (/^NOTE($|[ \\t])/.test(line)) {\n                self.state = \"NOTE\";\n                break;\n              } // 19-29 - Allow any number of line terminators, then initialize new cue values.\n\n\n              if (!line) {\n                continue;\n              }\n\n              self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, \"\"); // Safari still uses the old middle value and won't accept center\n\n              try {\n                self.cue.align = \"center\";\n              } catch (e) {\n                self.cue.align = \"middle\";\n              }\n\n              self.state = \"CUE\"; // 30-39 - Check if self line contains an optional identifier or timing data.\n\n              if (line.indexOf(\"-->\") === -1) {\n                self.cue.id = line;\n                continue;\n              }\n\n            // Process line as start of a cue.\n\n            /*falls through*/\n\n            case \"CUE\":\n              // 40 - Collect cue timings and settings.\n              try {\n                parseCue(line, self.cue, self.regionList);\n              } catch (e) {\n                self.reportOrThrowError(e); // In case of an error ignore rest of the cue.\n\n                self.cue = null;\n                self.state = \"BADCUE\";\n                continue;\n              }\n\n              self.state = \"CUETEXT\";\n              continue;\n\n            case \"CUETEXT\":\n              var hasSubstring = line.indexOf(\"-->\") !== -1; // 34 - If we have an empty line then report the cue.\n              // 35 - If we have the special substring '-->' then report the cue,\n              // but do not collect the line as we need to process the current\n              // one as a new cue.\n\n              if (!line || hasSubstring && (alreadyCollectedLine = true)) {\n                // We are done parsing self cue.\n                self.oncue && self.oncue(self.cue);\n                self.cue = null;\n                self.state = \"ID\";\n                continue;\n              }\n\n              if (self.cue.text) {\n                self.cue.text += \"\\n\";\n              }\n\n              self.cue.text += line.replace(/\\u2028/g, '\\n').replace(/u2029/g, '\\n');\n              continue;\n\n            case \"BADCUE\":\n              // BADCUE\n              // 54-62 - Collect and discard the remaining cue.\n              if (!line) {\n                self.state = \"ID\";\n              }\n\n              continue;\n          }\n        }\n      } catch (e) {\n        self.reportOrThrowError(e); // If we are currently parsing a cue, report what we have.\n\n        if (self.state === \"CUETEXT\" && self.cue && self.oncue) {\n          self.oncue(self.cue);\n        }\n\n        self.cue = null; // Enter BADWEBVTT state if header was not parsed correctly otherwise\n        // another exception occurred so enter BADCUE state.\n\n        self.state = self.state === \"INITIAL\" ? \"BADWEBVTT\" : \"BADCUE\";\n      }\n\n      return this;\n    },\n    flush: function flush() {\n      var self = this;\n\n      try {\n        // Finish decoding the stream.\n        self.buffer += self.decoder.decode(); // Synthesize the end of the current cue or region.\n\n        if (self.cue || self.state === \"HEADER\") {\n          self.buffer += \"\\n\\n\";\n          self.parse();\n        } // If we've flushed, parsed, and we're still on the INITIAL state then\n        // that means we don't have enough of the stream to parse the first\n        // line.\n\n\n        if (self.state === \"INITIAL\") {\n          throw new ParsingError(ParsingError.Errors.BadSignature);\n        }\n      } catch (e) {\n        self.reportOrThrowError(e);\n      }\n\n      self.onflush && self.onflush();\n      return this;\n    }\n  };\n  var vtt = WebVTT$1;\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n  var autoKeyword = \"auto\";\n  var directionSetting = {\n    \"\": 1,\n    \"lr\": 1,\n    \"rl\": 1\n  };\n  var alignSetting = {\n    \"start\": 1,\n    \"center\": 1,\n    \"end\": 1,\n    \"left\": 1,\n    \"right\": 1,\n    \"auto\": 1,\n    \"line-left\": 1,\n    \"line-right\": 1\n  };\n\n  function findDirectionSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var dir = directionSetting[value.toLowerCase()];\n    return dir ? value.toLowerCase() : false;\n  }\n\n  function findAlignSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var align = alignSetting[value.toLowerCase()];\n    return align ? value.toLowerCase() : false;\n  }\n\n  function VTTCue(startTime, endTime, text) {\n    /**\n     * Shim implementation specific properties. These properties are not in\n     * the spec.\n     */\n    // Lets us know when the VTTCue's data has changed in such a way that we need\n    // to recompute its display state. This lets us compute its display state\n    // lazily.\n    this.hasBeenReset = false;\n    /**\n     * VTTCue and TextTrackCue properties\n     * http://dev.w3.org/html5/webvtt/#vttcue-interface\n     */\n\n    var _id = \"\";\n    var _pauseOnExit = false;\n    var _startTime = startTime;\n    var _endTime = endTime;\n    var _text = text;\n    var _region = null;\n    var _vertical = \"\";\n    var _snapToLines = true;\n    var _line = \"auto\";\n    var _lineAlign = \"start\";\n    var _position = \"auto\";\n    var _positionAlign = \"auto\";\n    var _size = 100;\n    var _align = \"center\";\n    Object.defineProperties(this, {\n      \"id\": {\n        enumerable: true,\n        get: function get() {\n          return _id;\n        },\n        set: function set(value) {\n          _id = \"\" + value;\n        }\n      },\n      \"pauseOnExit\": {\n        enumerable: true,\n        get: function get() {\n          return _pauseOnExit;\n        },\n        set: function set(value) {\n          _pauseOnExit = !!value;\n        }\n      },\n      \"startTime\": {\n        enumerable: true,\n        get: function get() {\n          return _startTime;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"Start time must be set to a number.\");\n          }\n\n          _startTime = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"endTime\": {\n        enumerable: true,\n        get: function get() {\n          return _endTime;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"End time must be set to a number.\");\n          }\n\n          _endTime = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"text\": {\n        enumerable: true,\n        get: function get() {\n          return _text;\n        },\n        set: function set(value) {\n          _text = \"\" + value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"region\": {\n        enumerable: true,\n        get: function get() {\n          return _region;\n        },\n        set: function set(value) {\n          _region = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"vertical\": {\n        enumerable: true,\n        get: function get() {\n          return _vertical;\n        },\n        set: function set(value) {\n          var setting = findDirectionSetting(value); // Have to check for false because the setting an be an empty string.\n\n          if (setting === false) {\n            throw new SyntaxError(\"Vertical: an invalid or illegal direction string was specified.\");\n          }\n\n          _vertical = setting;\n          this.hasBeenReset = true;\n        }\n      },\n      \"snapToLines\": {\n        enumerable: true,\n        get: function get() {\n          return _snapToLines;\n        },\n        set: function set(value) {\n          _snapToLines = !!value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"line\": {\n        enumerable: true,\n        get: function get() {\n          return _line;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\" && value !== autoKeyword) {\n            throw new SyntaxError(\"Line: an invalid number or illegal string was specified.\");\n          }\n\n          _line = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"lineAlign\": {\n        enumerable: true,\n        get: function get() {\n          return _lineAlign;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            console.warn(\"lineAlign: an invalid or illegal string was specified.\");\n          } else {\n            _lineAlign = setting;\n            this.hasBeenReset = true;\n          }\n        }\n      },\n      \"position\": {\n        enumerable: true,\n        get: function get() {\n          return _position;\n        },\n        set: function set(value) {\n          if (value < 0 || value > 100) {\n            throw new Error(\"Position must be between 0 and 100.\");\n          }\n\n          _position = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"positionAlign\": {\n        enumerable: true,\n        get: function get() {\n          return _positionAlign;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            console.warn(\"positionAlign: an invalid or illegal string was specified.\");\n          } else {\n            _positionAlign = setting;\n            this.hasBeenReset = true;\n          }\n        }\n      },\n      \"size\": {\n        enumerable: true,\n        get: function get() {\n          return _size;\n        },\n        set: function set(value) {\n          if (value < 0 || value > 100) {\n            throw new Error(\"Size must be between 0 and 100.\");\n          }\n\n          _size = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"align\": {\n        enumerable: true,\n        get: function get() {\n          return _align;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            throw new SyntaxError(\"align: an invalid or illegal alignment string was specified.\");\n          }\n\n          _align = setting;\n          this.hasBeenReset = true;\n        }\n      }\n    });\n    /**\n     * Other <track> spec defined properties\n     */\n    // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state\n\n    this.displayState = undefined;\n  }\n  /**\n   * VTTCue methods\n   */\n\n\n  VTTCue.prototype.getCueAsHTML = function () {\n    // Assume WebVTT.convertCueToDOMTree is on the global.\n    return WebVTT.convertCueToDOMTree(window, this.text);\n  };\n\n  var vttcue = VTTCue;\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n  var scrollSetting = {\n    \"\": true,\n    \"up\": true\n  };\n\n  function findScrollSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var scroll = scrollSetting[value.toLowerCase()];\n    return scroll ? value.toLowerCase() : false;\n  }\n\n  function isValidPercentValue(value) {\n    return typeof value === \"number\" && value >= 0 && value <= 100;\n  } // VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface\n\n\n  function VTTRegion() {\n    var _width = 100;\n    var _lines = 3;\n    var _regionAnchorX = 0;\n    var _regionAnchorY = 100;\n    var _viewportAnchorX = 0;\n    var _viewportAnchorY = 100;\n    var _scroll = \"\";\n    Object.defineProperties(this, {\n      \"width\": {\n        enumerable: true,\n        get: function get() {\n          return _width;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"Width must be between 0 and 100.\");\n          }\n\n          _width = value;\n        }\n      },\n      \"lines\": {\n        enumerable: true,\n        get: function get() {\n          return _lines;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"Lines must be set to a number.\");\n          }\n\n          _lines = value;\n        }\n      },\n      \"regionAnchorY\": {\n        enumerable: true,\n        get: function get() {\n          return _regionAnchorY;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"RegionAnchorX must be between 0 and 100.\");\n          }\n\n          _regionAnchorY = value;\n        }\n      },\n      \"regionAnchorX\": {\n        enumerable: true,\n        get: function get() {\n          return _regionAnchorX;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"RegionAnchorY must be between 0 and 100.\");\n          }\n\n          _regionAnchorX = value;\n        }\n      },\n      \"viewportAnchorY\": {\n        enumerable: true,\n        get: function get() {\n          return _viewportAnchorY;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"ViewportAnchorY must be between 0 and 100.\");\n          }\n\n          _viewportAnchorY = value;\n        }\n      },\n      \"viewportAnchorX\": {\n        enumerable: true,\n        get: function get() {\n          return _viewportAnchorX;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"ViewportAnchorX must be between 0 and 100.\");\n          }\n\n          _viewportAnchorX = value;\n        }\n      },\n      \"scroll\": {\n        enumerable: true,\n        get: function get() {\n          return _scroll;\n        },\n        set: function set(value) {\n          var setting = findScrollSetting(value); // Have to check for false as an empty string is a legal value.\n\n          if (setting === false) {\n            console.warn(\"Scroll: an invalid or illegal string was specified.\");\n          } else {\n            _scroll = setting;\n          }\n        }\n      }\n    });\n  }\n\n  var vttregion = VTTRegion;\n\n  var browserIndex = createCommonjsModule(function (module) {\n    /**\n     * Copyright 2013 vtt.js Contributors\n     *\n     * Licensed under the Apache License, Version 2.0 (the \"License\");\n     * you may not use this file except in compliance with the License.\n     * You may obtain a copy of the License at\n     *\n     *   http://www.apache.org/licenses/LICENSE-2.0\n     *\n     * Unless required by applicable law or agreed to in writing, software\n     * distributed under the License is distributed on an \"AS IS\" BASIS,\n     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n     * See the License for the specific language governing permissions and\n     * limitations under the License.\n     */\n    // Default exports for Node. Export the extended versions of VTTCue and\n    // VTTRegion in Node since we likely want the capability to convert back and\n    // forth between JSON. If we don't then it's not that big of a deal since we're\n    // off browser.\n    var vttjs = module.exports = {\n      WebVTT: vtt,\n      VTTCue: vttcue,\n      VTTRegion: vttregion\n    };\n    window$3.vttjs = vttjs;\n    window$3.WebVTT = vttjs.WebVTT;\n    var cueShim = vttjs.VTTCue;\n    var regionShim = vttjs.VTTRegion;\n    var nativeVTTCue = window$3.VTTCue;\n    var nativeVTTRegion = window$3.VTTRegion;\n\n    vttjs.shim = function () {\n      window$3.VTTCue = cueShim;\n      window$3.VTTRegion = regionShim;\n    };\n\n    vttjs.restore = function () {\n      window$3.VTTCue = nativeVTTCue;\n      window$3.VTTRegion = nativeVTTRegion;\n    };\n\n    if (!window$3.VTTCue) {\n      vttjs.shim();\n    }\n  });\n  var browserIndex_1 = browserIndex.WebVTT;\n  var browserIndex_2 = browserIndex.VTTCue;\n  var browserIndex_3 = browserIndex.VTTRegion;\n\n  /**\n   * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string\n   * that just contains the src url alone.\n   * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`\n     * `var SourceString = 'http://example.com/some-video.mp4';`\n   *\n   * @typedef {Object|string} Tech~SourceObject\n   *\n   * @property {string} src\n   *           The url to the source\n   *\n   * @property {string} type\n   *           The mime type of the source\n   */\n\n  /**\n   * A function used by {@link Tech} to create a new {@link TextTrack}.\n   *\n   * @private\n   *\n   * @param {Tech} self\n   *        An instance of the Tech class.\n   *\n   * @param {string} kind\n   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n   *\n   * @param {string} [label]\n   *        Label to identify the text track\n   *\n   * @param {string} [language]\n   *        Two letter language abbreviation\n   *\n   * @param {Object} [options={}]\n   *        An object with additional text track options\n   *\n   * @return {TextTrack}\n   *          The text track that was created.\n   */\n\n  function createTrackHelper(self, kind, label, language, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var tracks = self.textTracks();\n    options.kind = kind;\n\n    if (label) {\n      options.label = label;\n    }\n\n    if (language) {\n      options.language = language;\n    }\n\n    options.tech = self;\n    var track = new ALL.text.TrackClass(options);\n    tracks.addTrack(track);\n    return track;\n  }\n  /**\n   * This is the base class for media playback technology controllers, such as\n   * {@link Flash} and {@link HTML5}\n   *\n   * @extends Component\n   */\n\n\n  var Tech = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Tech, _Component);\n\n    /**\n    * Create an instance of this Tech.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    *\n    * @param {Component~ReadyCallback} ready\n    *        Callback function to call when the `HTML5` Tech is ready.\n    */\n    function Tech(options, ready) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (ready === void 0) {\n        ready = function ready() {};\n      }\n\n      // we don't want the tech to report user activity automatically.\n      // This is done manually in addControlsListeners\n      options.reportTouchActivity = false;\n      _this = _Component.call(this, null, options, ready) || this; // keep track of whether the current source has played at all to\n      // implement a very limited played()\n\n      _this.hasStarted_ = false;\n\n      _this.on('playing', function () {\n        this.hasStarted_ = true;\n      });\n\n      _this.on('loadstart', function () {\n        this.hasStarted_ = false;\n      });\n\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n\n        if (options && options[props.getterName]) {\n          _this[props.privateName] = options[props.getterName];\n        }\n      }); // Manually track progress in cases where the browser/flash player doesn't report it.\n\n      if (!_this.featuresProgressEvents) {\n        _this.manualProgressOn();\n      } // Manually track timeupdates in cases where the browser/flash player doesn't report it.\n\n\n      if (!_this.featuresTimeupdateEvents) {\n        _this.manualTimeUpdatesOn();\n      }\n\n      ['Text', 'Audio', 'Video'].forEach(function (track) {\n        if (options[\"native\" + track + \"Tracks\"] === false) {\n          _this[\"featuresNative\" + track + \"Tracks\"] = false;\n        }\n      });\n\n      if (options.nativeCaptions === false || options.nativeTextTracks === false) {\n        _this.featuresNativeTextTracks = false;\n      } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {\n        _this.featuresNativeTextTracks = true;\n      }\n\n      if (!_this.featuresNativeTextTracks) {\n        _this.emulateTextTracks();\n      }\n\n      _this.preloadTextTracks = options.preloadTextTracks !== false;\n      _this.autoRemoteTextTracks_ = new ALL.text.ListClass();\n\n      _this.initTrackListeners(); // Turn on component tap events only if not using native controls\n\n\n      if (!options.nativeControlsForTouch) {\n        _this.emitTapEvents();\n      }\n\n      if (_this.constructor) {\n        _this.name_ = _this.constructor.name || 'Unknown Tech';\n      }\n\n      return _this;\n    }\n    /**\n     * A special function to trigger source set in a way that will allow player\n     * to re-trigger if the player or tech are not ready yet.\n     *\n     * @fires Tech#sourceset\n     * @param {string} src The source string at the time of the source changing.\n     */\n\n\n    var _proto = Tech.prototype;\n\n    _proto.triggerSourceset = function triggerSourceset(src) {\n      var _this2 = this;\n\n      if (!this.isReady_) {\n        // on initial ready we have to trigger source set\n        // 1ms after ready so that player can watch for it.\n        this.one('ready', function () {\n          return _this2.setTimeout(function () {\n            return _this2.triggerSourceset(src);\n          }, 1);\n        });\n      }\n      /**\n       * Fired when the source is set on the tech causing the media element\n       * to reload.\n       *\n       * @see {@link Player#event:sourceset}\n       * @event Tech#sourceset\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger({\n        src: src,\n        type: 'sourceset'\n      });\n    }\n    /* Fallbacks for unsupported event types\n    ================================================================================ */\n\n    /**\n     * Polyfill the `progress` event for browsers that don't support it natively.\n     *\n     * @see {@link Tech#trackProgress}\n     */\n    ;\n\n    _proto.manualProgressOn = function manualProgressOn() {\n      this.on('durationchange', this.onDurationChange);\n      this.manualProgress = true; // Trigger progress watching when a source begins loading\n\n      this.one('ready', this.trackProgress);\n    }\n    /**\n     * Turn off the polyfill for `progress` events that was created in\n     * {@link Tech#manualProgressOn}\n     */\n    ;\n\n    _proto.manualProgressOff = function manualProgressOff() {\n      this.manualProgress = false;\n      this.stopTrackingProgress();\n      this.off('durationchange', this.onDurationChange);\n    }\n    /**\n     * This is used to trigger a `progress` event when the buffered percent changes. It\n     * sets an interval function that will be called every 500 milliseconds to check if the\n     * buffer end percent has changed.\n     *\n     * > This function is called by {@link Tech#manualProgressOn}\n     *\n     * @param {EventTarget~Event} event\n     *        The `ready` event that caused this to run.\n     *\n     * @listens Tech#ready\n     * @fires Tech#progress\n     */\n    ;\n\n    _proto.trackProgress = function trackProgress(event) {\n      this.stopTrackingProgress();\n      this.progressInterval = this.setInterval(bind(this, function () {\n        // Don't trigger unless buffered amount is greater than last time\n        var numBufferedPercent = this.bufferedPercent();\n\n        if (this.bufferedPercent_ !== numBufferedPercent) {\n          /**\n           * See {@link Player#progress}\n           *\n           * @event Tech#progress\n           * @type {EventTarget~Event}\n           */\n          this.trigger('progress');\n        }\n\n        this.bufferedPercent_ = numBufferedPercent;\n\n        if (numBufferedPercent === 1) {\n          this.stopTrackingProgress();\n        }\n      }), 500);\n    }\n    /**\n     * Update our internal duration on a `durationchange` event by calling\n     * {@link Tech#duration}.\n     *\n     * @param {EventTarget~Event} event\n     *        The `durationchange` event that caused this to run.\n     *\n     * @listens Tech#durationchange\n     */\n    ;\n\n    _proto.onDurationChange = function onDurationChange(event) {\n      this.duration_ = this.duration();\n    }\n    /**\n     * Get and create a `TimeRange` object for buffering.\n     *\n     * @return {TimeRange}\n     *         The time range object that was created.\n     */\n    ;\n\n    _proto.buffered = function buffered() {\n      return createTimeRanges(0, 0);\n    }\n    /**\n     * Get the percentage of the current video that is currently buffered.\n     *\n     * @return {number}\n     *         A number from 0 to 1 that represents the decimal percentage of the\n     *         video that is buffered.\n     *\n     */\n    ;\n\n    _proto.bufferedPercent = function bufferedPercent$1() {\n      return bufferedPercent(this.buffered(), this.duration_);\n    }\n    /**\n     * Turn off the polyfill for `progress` events that was created in\n     * {@link Tech#manualProgressOn}\n     * Stop manually tracking progress events by clearing the interval that was set in\n     * {@link Tech#trackProgress}.\n     */\n    ;\n\n    _proto.stopTrackingProgress = function stopTrackingProgress() {\n      this.clearInterval(this.progressInterval);\n    }\n    /**\n     * Polyfill the `timeupdate` event for browsers that don't support it.\n     *\n     * @see {@link Tech#trackCurrentTime}\n     */\n    ;\n\n    _proto.manualTimeUpdatesOn = function manualTimeUpdatesOn() {\n      this.manualTimeUpdates = true;\n      this.on('play', this.trackCurrentTime);\n      this.on('pause', this.stopTrackingCurrentTime);\n    }\n    /**\n     * Turn off the polyfill for `timeupdate` events that was created in\n     * {@link Tech#manualTimeUpdatesOn}\n     */\n    ;\n\n    _proto.manualTimeUpdatesOff = function manualTimeUpdatesOff() {\n      this.manualTimeUpdates = false;\n      this.stopTrackingCurrentTime();\n      this.off('play', this.trackCurrentTime);\n      this.off('pause', this.stopTrackingCurrentTime);\n    }\n    /**\n     * Sets up an interval function to track current time and trigger `timeupdate` every\n     * 250 milliseconds.\n     *\n     * @listens Tech#play\n     * @triggers Tech#timeupdate\n     */\n    ;\n\n    _proto.trackCurrentTime = function trackCurrentTime() {\n      if (this.currentTimeInterval) {\n        this.stopTrackingCurrentTime();\n      }\n\n      this.currentTimeInterval = this.setInterval(function () {\n        /**\n         * Triggered at an interval of 250ms to indicated that time is passing in the video.\n         *\n         * @event Tech#timeupdate\n         * @type {EventTarget~Event}\n         */\n        this.trigger({\n          type: 'timeupdate',\n          target: this,\n          manuallyTriggered: true\n        }); // 42 = 24 fps // 250 is what Webkit uses // FF uses 15\n      }, 250);\n    }\n    /**\n     * Stop the interval function created in {@link Tech#trackCurrentTime} so that the\n     * `timeupdate` event is no longer triggered.\n     *\n     * @listens {Tech#pause}\n     */\n    ;\n\n    _proto.stopTrackingCurrentTime = function stopTrackingCurrentTime() {\n      this.clearInterval(this.currentTimeInterval); // #1002 - if the video ends right before the next timeupdate would happen,\n      // the progress bar won't make it all the way to the end\n\n      this.trigger({\n        type: 'timeupdate',\n        target: this,\n        manuallyTriggered: true\n      });\n    }\n    /**\n     * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},\n     * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.\n     *\n     * @fires Component#dispose\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      // clear out all tracks because we can't reuse them between techs\n      this.clearTracks(NORMAL.names); // Turn off any manual progress or timeupdate tracking\n\n      if (this.manualProgress) {\n        this.manualProgressOff();\n      }\n\n      if (this.manualTimeUpdates) {\n        this.manualTimeUpdatesOff();\n      }\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Clear out a single `TrackList` or an array of `TrackLists` given their names.\n     *\n     * > Note: Techs without source handlers should call this between sources for `video`\n     *         & `audio` tracks. You don't want to use them between tracks!\n     *\n     * @param {string[]|string} types\n     *        TrackList names to clear, valid names are `video`, `audio`, and\n     *        `text`.\n     */\n    ;\n\n    _proto.clearTracks = function clearTracks(types) {\n      var _this3 = this;\n\n      types = [].concat(types); // clear out all tracks because we can't reuse them between techs\n\n      types.forEach(function (type) {\n        var list = _this3[type + \"Tracks\"]() || [];\n        var i = list.length;\n\n        while (i--) {\n          var track = list[i];\n\n          if (type === 'text') {\n            _this3.removeRemoteTextTrack(track);\n          }\n\n          list.removeTrack(track);\n        }\n      });\n    }\n    /**\n     * Remove any TextTracks added via addRemoteTextTrack that are\n     * flagged for automatic garbage collection\n     */\n    ;\n\n    _proto.cleanupAutoTextTracks = function cleanupAutoTextTracks() {\n      var list = this.autoRemoteTextTracks_ || [];\n      var i = list.length;\n\n      while (i--) {\n        var track = list[i];\n        this.removeRemoteTextTrack(track);\n      }\n    }\n    /**\n     * Reset the tech, which will removes all sources and reset the internal readyState.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.reset = function reset() {}\n    /**\n     * Get or set an error on the Tech.\n     *\n     * @param {MediaError} [err]\n     *        Error to set on the Tech\n     *\n     * @return {MediaError|null}\n     *         The current error object on the tech, or null if there isn't one.\n     */\n    ;\n\n    _proto.error = function error(err) {\n      if (err !== undefined) {\n        this.error_ = new MediaError(err);\n        this.trigger('error');\n      }\n\n      return this.error_;\n    }\n    /**\n     * Returns the `TimeRange`s that have been played through for the current source.\n     *\n     * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.\n     *         It only checks whether the source has played at all or not.\n     *\n     * @return {TimeRange}\n     *         - A single time range if this video has played\n     *         - An empty set of ranges if not.\n     */\n    ;\n\n    _proto.played = function played() {\n      if (this.hasStarted_) {\n        return createTimeRanges(0, 0);\n      }\n\n      return createTimeRanges();\n    }\n    /**\n     * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was\n     * previously called.\n     *\n     * @fires Tech#timeupdate\n     */\n    ;\n\n    _proto.setCurrentTime = function setCurrentTime() {\n      // improve the accuracy of manual timeupdates\n      if (this.manualTimeUpdates) {\n        /**\n         * A manual `timeupdate` event.\n         *\n         * @event Tech#timeupdate\n         * @type {EventTarget~Event}\n         */\n        this.trigger({\n          type: 'timeupdate',\n          target: this,\n          manuallyTriggered: true\n        });\n      }\n    }\n    /**\n     * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and\n     * {@link TextTrackList} events.\n     *\n     * This adds {@link EventTarget~EventListeners} for `addtrack`, and  `removetrack`.\n     *\n     * @fires Tech#audiotrackchange\n     * @fires Tech#videotrackchange\n     * @fires Tech#texttrackchange\n     */\n    ;\n\n    _proto.initTrackListeners = function initTrackListeners() {\n      var _this4 = this;\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}\n        *\n        * @event Tech#audiotrackchange\n        * @type {EventTarget~Event}\n        */\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}\n        *\n        * @event Tech#videotrackchange\n        * @type {EventTarget~Event}\n        */\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link TextTrackList}\n        *\n        * @event Tech#texttrackchange\n        * @type {EventTarget~Event}\n        */\n      NORMAL.names.forEach(function (name) {\n        var props = NORMAL[name];\n\n        var trackListChanges = function trackListChanges() {\n          _this4.trigger(name + \"trackchange\");\n        };\n\n        var tracks = _this4[props.getterName]();\n\n        tracks.addEventListener('removetrack', trackListChanges);\n        tracks.addEventListener('addtrack', trackListChanges);\n\n        _this4.on('dispose', function () {\n          tracks.removeEventListener('removetrack', trackListChanges);\n          tracks.removeEventListener('addtrack', trackListChanges);\n        });\n      });\n    }\n    /**\n     * Emulate TextTracks using vtt.js if necessary\n     *\n     * @fires Tech#vttjsloaded\n     * @fires Tech#vttjserror\n     */\n    ;\n\n    _proto.addWebVttScript_ = function addWebVttScript_() {\n      var _this5 = this;\n\n      if (window$3.WebVTT) {\n        return;\n      } // Initially, Tech.el_ is a child of a dummy-div wait until the Component system\n      // signals that the Tech is ready at which point Tech.el_ is part of the DOM\n      // before inserting the WebVTT script\n\n\n      if (document.body.contains(this.el())) {\n        // load via require if available and vtt.js script location was not passed in\n        // as an option. novtt builds will turn the above require call into an empty object\n        // which will cause this if check to always fail.\n        if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {\n          this.trigger('vttjsloaded');\n          return;\n        } // load vtt.js via the script location option or the cdn of no location was\n        // passed in\n\n\n        var script = document.createElement('script');\n        script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js';\n\n        script.onload = function () {\n          /**\n           * Fired when vtt.js is loaded.\n           *\n           * @event Tech#vttjsloaded\n           * @type {EventTarget~Event}\n           */\n          _this5.trigger('vttjsloaded');\n        };\n\n        script.onerror = function () {\n          /**\n           * Fired when vtt.js was not loaded due to an error\n           *\n           * @event Tech#vttjsloaded\n           * @type {EventTarget~Event}\n           */\n          _this5.trigger('vttjserror');\n        };\n\n        this.on('dispose', function () {\n          script.onload = null;\n          script.onerror = null;\n        }); // but have not loaded yet and we set it to true before the inject so that\n        // we don't overwrite the injected window.WebVTT if it loads right away\n\n        window$3.WebVTT = true;\n        this.el().parentNode.appendChild(script);\n      } else {\n        this.ready(this.addWebVttScript_);\n      }\n    }\n    /**\n     * Emulate texttracks\n     *\n     */\n    ;\n\n    _proto.emulateTextTracks = function emulateTextTracks() {\n      var _this6 = this;\n\n      var tracks = this.textTracks();\n      var remoteTracks = this.remoteTextTracks();\n\n      var handleAddTrack = function handleAddTrack(e) {\n        return tracks.addTrack(e.track);\n      };\n\n      var handleRemoveTrack = function handleRemoveTrack(e) {\n        return tracks.removeTrack(e.track);\n      };\n\n      remoteTracks.on('addtrack', handleAddTrack);\n      remoteTracks.on('removetrack', handleRemoveTrack);\n      this.addWebVttScript_();\n\n      var updateDisplay = function updateDisplay() {\n        return _this6.trigger('texttrackchange');\n      };\n\n      var textTracksChanges = function textTracksChanges() {\n        updateDisplay();\n\n        for (var i = 0; i < tracks.length; i++) {\n          var track = tracks[i];\n          track.removeEventListener('cuechange', updateDisplay);\n\n          if (track.mode === 'showing') {\n            track.addEventListener('cuechange', updateDisplay);\n          }\n        }\n      };\n\n      textTracksChanges();\n      tracks.addEventListener('change', textTracksChanges);\n      tracks.addEventListener('addtrack', textTracksChanges);\n      tracks.addEventListener('removetrack', textTracksChanges);\n      this.on('dispose', function () {\n        remoteTracks.off('addtrack', handleAddTrack);\n        remoteTracks.off('removetrack', handleRemoveTrack);\n        tracks.removeEventListener('change', textTracksChanges);\n        tracks.removeEventListener('addtrack', textTracksChanges);\n        tracks.removeEventListener('removetrack', textTracksChanges);\n\n        for (var i = 0; i < tracks.length; i++) {\n          var track = tracks[i];\n          track.removeEventListener('cuechange', updateDisplay);\n        }\n      });\n    }\n    /**\n     * Create and returns a remote {@link TextTrack} object.\n     *\n     * @param {string} kind\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n     *\n     * @param {string} [label]\n     *        Label to identify the text track\n     *\n     * @param {string} [language]\n     *        Two letter language abbreviation\n     *\n     * @return {TextTrack}\n     *         The TextTrack that gets created.\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (!kind) {\n        throw new Error('TextTrack kind is required but was not provided');\n      }\n\n      return createTrackHelper(this, kind, label, language);\n    }\n    /**\n     * Create an emulated TextTrack for use by addRemoteTextTrack\n     *\n     * This is intended to be overridden by classes that inherit from\n     * Tech in order to create native or custom TextTracks.\n     *\n     * @param {Object} options\n     *        The object should contain the options to initialize the TextTrack with.\n     *\n     * @param {string} [options.kind]\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).\n     *\n     * @param {string} [options.label].\n     *        Label to identify the text track\n     *\n     * @param {string} [options.language]\n     *        Two letter language abbreviation.\n     *\n     * @return {HTMLTrackElement}\n     *         The track element that gets created.\n     */\n    ;\n\n    _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {\n      var track = mergeOptions(options, {\n        tech: this\n      });\n      return new REMOTE.remoteTextEl.TrackClass(track);\n    }\n    /**\n     * Creates a remote text track object and returns an html track element.\n     *\n     * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.\n     *\n     * @param {Object} options\n     *        See {@link Tech#createRemoteTextTrack} for more detailed properties.\n     *\n     * @param {boolean} [manualCleanup=true]\n     *        - When false: the TextTrack will be automatically removed from the video\n     *          element whenever the source changes\n     *        - When True: The TextTrack will have to be cleaned up manually\n     *\n     * @return {HTMLTrackElement}\n     *         An Html Track Element.\n     *\n     * @deprecated The default functionality for this function will be equivalent\n     *             to \"manualCleanup=false\" in the future. The manualCleanup parameter will\n     *             also be removed.\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      var _this7 = this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var htmlTrackElement = this.createRemoteTextTrack(options);\n\n      if (manualCleanup !== true && manualCleanup !== false) {\n        // deprecation warning\n        log.warn('Calling addRemoteTextTrack without explicitly setting the \"manualCleanup\" parameter to `true` is deprecated and default to `false` in future version of video.js');\n        manualCleanup = true;\n      } // store HTMLTrackElement and TextTrack to remote list\n\n\n      this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);\n      this.remoteTextTracks().addTrack(htmlTrackElement.track);\n\n      if (manualCleanup !== true) {\n        // create the TextTrackList if it doesn't exist\n        this.ready(function () {\n          return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);\n        });\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Remove a remote text track from the remote `TextTrackList`.\n     *\n     * @param {TextTrack} track\n     *        `TextTrack` to remove from the `TextTrackList`\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {\n      var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track); // remove HTMLTrackElement and TextTrack from remote list\n\n      this.remoteTextTrackEls().removeTrackElement_(trackElement);\n      this.remoteTextTracks().removeTrack(track);\n      this.autoRemoteTextTracks_.removeTrack(track);\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object}\n     *         An object with supported media playback quality metrics\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      return {};\n    }\n    /**\n     * Attempt to create a floating video window always on top of other windows\n     * so that users may continue consuming media while they interact with other\n     * content sites, or applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @return {Promise|undefined}\n     *         A promise with a Picture-in-Picture window if the browser supports\n     *         Promises (or one was passed in as an option). It returns undefined\n     *         otherwise.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (PromiseClass) {\n        return PromiseClass.reject();\n      }\n    }\n    /**\n     * A method to set a poster from a `Tech`.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.setPoster = function setPoster() {}\n    /**\n     * A method to check for the presence of the 'playsinline' <video> attribute.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.playsinline = function playsinline() {}\n    /**\n     * A method to set or unset the 'playsinline' <video> attribute.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.setPlaysinline = function setPlaysinline() {}\n    /**\n     * Attempt to force override of native audio tracks.\n     *\n     * @param {boolean} override - If set to true native audio will be overridden,\n     * otherwise native audio will potentially be used.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks() {}\n    /**\n     * Attempt to force override of native video tracks.\n     *\n     * @param {boolean} override - If set to true native video will be overridden,\n     * otherwise native video will potentially be used.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks() {}\n    /*\n     * Check if the tech can support the given mime-type.\n     *\n     * The base tech does not support any type, but source handlers might\n     * overwrite this.\n     *\n     * @param  {string} type\n     *         The mimetype to check for support\n     *\n     * @return {string}\n     *         'probably', 'maybe', or empty string\n     *\n     * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.canPlayType = function canPlayType() {\n      return '';\n    }\n    /**\n     * Check if the type is supported by this tech.\n     *\n     * The base tech does not support any type, but source handlers might\n     * overwrite this.\n     *\n     * @param {string} type\n     *        The media type to check\n     * @return {string} Returns the native video element's response\n     */\n    ;\n\n    Tech.canPlayType = function canPlayType() {\n      return '';\n    }\n    /**\n     * Check if the tech can support the given source\n     *\n     * @param {Object} srcObj\n     *        The source object\n     * @param {Object} options\n     *        The options passed to the tech\n     * @return {string} 'probably', 'maybe', or '' (empty string)\n     */\n    ;\n\n    Tech.canPlaySource = function canPlaySource(srcObj, options) {\n      return Tech.canPlayType(srcObj.type);\n    }\n    /*\n     * Return whether the argument is a Tech or not.\n     * Can be passed either a Class like `Html5` or a instance like `player.tech_`\n     *\n     * @param {Object} component\n     *        The item to check\n     *\n     * @return {boolean}\n     *         Whether it is a tech or not\n     *         - True if it is a tech\n     *         - False if it is not\n     */\n    ;\n\n    Tech.isTech = function isTech(component) {\n      return component.prototype instanceof Tech || component instanceof Tech || component === Tech;\n    }\n    /**\n     * Registers a `Tech` into a shared list for videojs.\n     *\n     * @param {string} name\n     *        Name of the `Tech` to register.\n     *\n     * @param {Object} tech\n     *        The `Tech` class to register.\n     */\n    ;\n\n    Tech.registerTech = function registerTech(name, tech) {\n      if (!Tech.techs_) {\n        Tech.techs_ = {};\n      }\n\n      if (!Tech.isTech(tech)) {\n        throw new Error(\"Tech \" + name + \" must be a Tech\");\n      }\n\n      if (!Tech.canPlayType) {\n        throw new Error('Techs must have a static canPlayType method on them');\n      }\n\n      if (!Tech.canPlaySource) {\n        throw new Error('Techs must have a static canPlaySource method on them');\n      }\n\n      name = toTitleCase(name);\n      Tech.techs_[name] = tech;\n      Tech.techs_[toLowerCase(name)] = tech;\n\n      if (name !== 'Tech') {\n        // camel case the techName for use in techOrder\n        Tech.defaultTechOrder_.push(name);\n      }\n\n      return tech;\n    }\n    /**\n     * Get a `Tech` from the shared list by name.\n     *\n     * @param {string} name\n     *        `camelCase` or `TitleCase` name of the Tech to get\n     *\n     * @return {Tech|undefined}\n     *         The `Tech` or undefined if there was no tech with the name requested.\n     */\n    ;\n\n    Tech.getTech = function getTech(name) {\n      if (!name) {\n        return;\n      }\n\n      if (Tech.techs_ && Tech.techs_[name]) {\n        return Tech.techs_[name];\n      }\n\n      name = toTitleCase(name);\n\n      if (window$3 && window$3.videojs && window$3.videojs[name]) {\n        log.warn(\"The \" + name + \" tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)\");\n        return window$3.videojs[name];\n      }\n    };\n\n    return Tech;\n  }(Component);\n  /**\n   * Get the {@link VideoTrackList}\n   *\n   * @returns {VideoTrackList}\n   * @method Tech.prototype.videoTracks\n   */\n\n  /**\n   * Get the {@link AudioTrackList}\n   *\n   * @returns {AudioTrackList}\n   * @method Tech.prototype.audioTracks\n   */\n\n  /**\n   * Get the {@link TextTrackList}\n   *\n   * @returns {TextTrackList}\n   * @method Tech.prototype.textTracks\n   */\n\n  /**\n   * Get the remote element {@link TextTrackList}\n   *\n   * @returns {TextTrackList}\n   * @method Tech.prototype.remoteTextTracks\n   */\n\n  /**\n   * Get the remote element {@link HtmlTrackElementList}\n   *\n   * @returns {HtmlTrackElementList}\n   * @method Tech.prototype.remoteTextTrackEls\n   */\n\n\n  ALL.names.forEach(function (name) {\n    var props = ALL[name];\n\n    Tech.prototype[props.getterName] = function () {\n      this[props.privateName] = this[props.privateName] || new props.ListClass();\n      return this[props.privateName];\n    };\n  });\n  /**\n   * List of associated text tracks\n   *\n   * @type {TextTrackList}\n   * @private\n   * @property Tech#textTracks_\n   */\n\n  /**\n   * List of associated audio tracks.\n   *\n   * @type {AudioTrackList}\n   * @private\n   * @property Tech#audioTracks_\n   */\n\n  /**\n   * List of associated video tracks.\n   *\n   * @type {VideoTrackList}\n   * @private\n   * @property Tech#videoTracks_\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports volume control.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresVolumeControl = true;\n  /**\n   * Boolean indicating whether the `Tech` supports muting volume.\n   *\n   * @type {bolean}\n   * @default\n   */\n\n  Tech.prototype.featuresMuteControl = true;\n  /**\n   * Boolean indicating whether the `Tech` supports fullscreen resize control.\n   * Resizing plugins using request fullscreen reloads the plugin\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresFullscreenResize = false;\n  /**\n   * Boolean indicating whether the `Tech` supports changing the speed at which the video\n   * plays. Examples:\n   *   - Set player to play 2x (twice) as fast\n   *   - Set player to play 0.5x (half) as fast\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresPlaybackRate = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `progress` event. This is currently\n   * not triggered by video-js-swf. This will be used to determine if\n   * {@link Tech#manualProgressOn} should be called.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresProgressEvents = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `sourceset` event.\n   *\n   * A tech should set this to `true` and then use {@link Tech#triggerSourceset}\n   * to trigger a {@link Tech#event:sourceset} at the earliest time after getting\n   * a new source.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresSourceset = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `timeupdate` event. This is currently\n   * not triggered by video-js-swf. This will be used to determine if\n   * {@link Tech#manualTimeUpdates} should be called.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresTimeupdateEvents = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the native `TextTrack`s.\n   * This will help us integrate with native `TextTrack`s if the browser supports them.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresNativeTextTracks = false;\n  /**\n   * A functional mixin for techs that want to use the Source Handler pattern.\n   * Source handlers are scripts for handling specific formats.\n   * The source handler pattern is used for adaptive formats (HLS, DASH) that\n   * manually load video data and feed it into a Source Buffer (Media Source Extensions)\n   * Example: `Tech.withSourceHandlers.call(MyTech);`\n   *\n   * @param {Tech} _Tech\n   *        The tech to add source handler functions to.\n   *\n   * @mixes Tech~SourceHandlerAdditions\n   */\n\n  Tech.withSourceHandlers = function (_Tech) {\n    /**\n     * Register a source handler\n     *\n     * @param {Function} handler\n     *        The source handler class\n     *\n     * @param {number} [index]\n     *        Register it at the following index\n     */\n    _Tech.registerSourceHandler = function (handler, index) {\n      var handlers = _Tech.sourceHandlers;\n\n      if (!handlers) {\n        handlers = _Tech.sourceHandlers = [];\n      }\n\n      if (index === undefined) {\n        // add to the end of the list\n        index = handlers.length;\n      }\n\n      handlers.splice(index, 0, handler);\n    };\n    /**\n     * Check if the tech can support the given type. Also checks the\n     * Techs sourceHandlers.\n     *\n     * @param {string} type\n     *         The mimetype to check.\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n\n\n    _Tech.canPlayType = function (type) {\n      var handlers = _Tech.sourceHandlers || [];\n      var can;\n\n      for (var i = 0; i < handlers.length; i++) {\n        can = handlers[i].canPlayType(type);\n\n        if (can) {\n          return can;\n        }\n      }\n\n      return '';\n    };\n    /**\n     * Returns the first source handler that supports the source.\n     *\n     * TODO: Answer question: should 'probably' be prioritized over 'maybe'\n     *\n     * @param {Tech~SourceObject} source\n     *        The source object\n     *\n     * @param {Object} options\n     *        The options passed to the tech\n     *\n     * @return {SourceHandler|null}\n     *          The first source handler that supports the source or null if\n     *          no SourceHandler supports the source\n     */\n\n\n    _Tech.selectSourceHandler = function (source, options) {\n      var handlers = _Tech.sourceHandlers || [];\n      var can;\n\n      for (var i = 0; i < handlers.length; i++) {\n        can = handlers[i].canHandleSource(source, options);\n\n        if (can) {\n          return handlers[i];\n        }\n      }\n\n      return null;\n    };\n    /**\n     * Check if the tech can support the given source.\n     *\n     * @param {Tech~SourceObject} srcObj\n     *        The source object\n     *\n     * @param {Object} options\n     *        The options passed to the tech\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n\n\n    _Tech.canPlaySource = function (srcObj, options) {\n      var sh = _Tech.selectSourceHandler(srcObj, options);\n\n      if (sh) {\n        return sh.canHandleSource(srcObj, options);\n      }\n\n      return '';\n    };\n    /**\n     * When using a source handler, prefer its implementation of\n     * any function normally provided by the tech.\n     */\n\n\n    var deferrable = ['seekable', 'seeking', 'duration'];\n    /**\n     * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable\n     * function if it exists, with a fallback to the Techs seekable function.\n     *\n     * @method _Tech.seekable\n     */\n\n    /**\n     * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration\n     * function if it exists, otherwise it will fallback to the techs duration function.\n     *\n     * @method _Tech.duration\n     */\n\n    deferrable.forEach(function (fnName) {\n      var originalFn = this[fnName];\n\n      if (typeof originalFn !== 'function') {\n        return;\n      }\n\n      this[fnName] = function () {\n        if (this.sourceHandler_ && this.sourceHandler_[fnName]) {\n          return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);\n        }\n\n        return originalFn.apply(this, arguments);\n      };\n    }, _Tech.prototype);\n    /**\n     * Create a function for setting the source using a source object\n     * and source handlers.\n     * Should never be called unless a source handler was found.\n     *\n     * @param {Tech~SourceObject} source\n     *        A source object with src and type keys\n     */\n\n    _Tech.prototype.setSource = function (source) {\n      var sh = _Tech.selectSourceHandler(source, this.options_);\n\n      if (!sh) {\n        // Fall back to a native source hander when unsupported sources are\n        // deliberately set\n        if (_Tech.nativeSourceHandler) {\n          sh = _Tech.nativeSourceHandler;\n        } else {\n          log.error('No source handler found for the current source.');\n        }\n      } // Dispose any existing source handler\n\n\n      this.disposeSourceHandler();\n      this.off('dispose', this.disposeSourceHandler);\n\n      if (sh !== _Tech.nativeSourceHandler) {\n        this.currentSource_ = source;\n      }\n\n      this.sourceHandler_ = sh.handleSource(source, this, this.options_);\n      this.one('dispose', this.disposeSourceHandler);\n    };\n    /**\n     * Clean up any existing SourceHandlers and listeners when the Tech is disposed.\n     *\n     * @listens Tech#dispose\n     */\n\n\n    _Tech.prototype.disposeSourceHandler = function () {\n      // if we have a source and get another one\n      // then we are loading something new\n      // than clear all of our current tracks\n      if (this.currentSource_) {\n        this.clearTracks(['audio', 'video']);\n        this.currentSource_ = null;\n      } // always clean up auto-text tracks\n\n\n      this.cleanupAutoTextTracks();\n\n      if (this.sourceHandler_) {\n        if (this.sourceHandler_.dispose) {\n          this.sourceHandler_.dispose();\n        }\n\n        this.sourceHandler_ = null;\n      }\n    };\n  }; // The base Tech class needs to be registered as a Component. It is the only\n  // Tech that can be registered as a Component.\n\n\n  Component.registerComponent('Tech', Tech);\n  Tech.registerTech('Tech', Tech);\n  /**\n   * A list of techs that should be added to techOrder on Players\n   *\n   * @private\n   */\n\n  Tech.defaultTechOrder_ = [];\n\n  /**\n   * @file middleware.js\n   * @module middleware\n   */\n  var middlewares = {};\n  var middlewareInstances = {};\n  var TERMINATOR = {};\n  /**\n   * A middleware object is a plain JavaScript object that has methods that\n   * match the {@link Tech} methods found in the lists of allowed\n   * {@link module:middleware.allowedGetters|getters},\n   * {@link module:middleware.allowedSetters|setters}, and\n   * {@link module:middleware.allowedMediators|mediators}.\n   *\n   * @typedef {Object} MiddlewareObject\n   */\n\n  /**\n   * A middleware factory function that should return a\n   * {@link module:middleware~MiddlewareObject|MiddlewareObject}.\n   *\n   * This factory will be called for each player when needed, with the player\n   * passed in as an argument.\n   *\n   * @callback MiddlewareFactory\n   * @param {Player} player\n   *        A Video.js player.\n   */\n\n  /**\n   * Define a middleware that the player should use by way of a factory function\n   * that returns a middleware object.\n   *\n   * @param  {string} type\n   *         The MIME type to match or `\"*\"` for all MIME types.\n   *\n   * @param  {MiddlewareFactory} middleware\n   *         A middleware factory function that will be executed for\n   *         matching types.\n   */\n\n  function use(type, middleware) {\n    middlewares[type] = middlewares[type] || [];\n    middlewares[type].push(middleware);\n  }\n  /**\n   * Asynchronously sets a source using middleware by recursing through any\n   * matching middlewares and calling `setSource` on each, passing along the\n   * previous returned value each time.\n   *\n   * @param  {Player} player\n   *         A {@link Player} instance.\n   *\n   * @param  {Tech~SourceObject} src\n   *         A source object.\n   *\n   * @param  {Function}\n   *         The next middleware to run.\n   */\n\n  function setSource(player, src, next) {\n    player.setTimeout(function () {\n      return setSourceHelper(src, middlewares[src.type], next, player);\n    }, 1);\n  }\n  /**\n   * When the tech is set, passes the tech to each middleware's `setTech` method.\n   *\n   * @param {Object[]} middleware\n   *        An array of middleware instances.\n   *\n   * @param {Tech} tech\n   *        A Video.js tech.\n   */\n\n  function setTech(middleware, tech) {\n    middleware.forEach(function (mw) {\n      return mw.setTech && mw.setTech(tech);\n    });\n  }\n  /**\n   * Calls a getter on the tech first, through each middleware\n   * from right to left to the player.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @return {Mixed}\n   *         The final value from the tech after middleware has intercepted it.\n   */\n\n  function get(middleware, tech, method) {\n    return middleware.reduceRight(middlewareIterator(method), tech[method]());\n  }\n  /**\n   * Takes the argument given to the player and calls the setter method on each\n   * middleware from left to right to the tech.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @param  {Mixed} arg\n   *         The value to set on the tech.\n   *\n   * @return {Mixed}\n   *         The return value of the `method` of the `tech`.\n   */\n\n  function set(middleware, tech, method, arg) {\n    return tech[method](middleware.reduce(middlewareIterator(method), arg));\n  }\n  /**\n   * Takes the argument given to the player and calls the `call` version of the\n   * method on each middleware from left to right.\n   *\n   * Then, call the passed in method on the tech and return the result unchanged\n   * back to the player, through middleware, this time from right to left.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @param  {Mixed} arg\n   *         The value to set on the tech.\n   *\n   * @return {Mixed}\n   *         The return value of the `method` of the `tech`, regardless of the\n   *         return values of middlewares.\n   */\n\n  function mediate(middleware, tech, method, arg) {\n    if (arg === void 0) {\n      arg = null;\n    }\n\n    var callMethod = 'call' + toTitleCase(method);\n    var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);\n    var terminated = middlewareValue === TERMINATOR; // deprecated. The `null` return value should instead return TERMINATOR to\n    // prevent confusion if a techs method actually returns null.\n\n    var returnValue = terminated ? null : tech[method](middlewareValue);\n    executeRight(middleware, method, returnValue, terminated);\n    return returnValue;\n  }\n  /**\n   * Enumeration of allowed getters where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedGetters = {\n    buffered: 1,\n    currentTime: 1,\n    duration: 1,\n    muted: 1,\n    played: 1,\n    paused: 1,\n    seekable: 1,\n    volume: 1\n  };\n  /**\n   * Enumeration of allowed setters where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedSetters = {\n    setCurrentTime: 1,\n    setMuted: 1,\n    setVolume: 1\n  };\n  /**\n   * Enumeration of allowed mediators where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedMediators = {\n    play: 1,\n    pause: 1\n  };\n\n  function middlewareIterator(method) {\n    return function (value, mw) {\n      // if the previous middleware terminated, pass along the termination\n      if (value === TERMINATOR) {\n        return TERMINATOR;\n      }\n\n      if (mw[method]) {\n        return mw[method](value);\n      }\n\n      return value;\n    };\n  }\n\n  function executeRight(mws, method, value, terminated) {\n    for (var i = mws.length - 1; i >= 0; i--) {\n      var mw = mws[i];\n\n      if (mw[method]) {\n        mw[method](terminated, value);\n      }\n    }\n  }\n  /**\n   * Clear the middleware cache for a player.\n   *\n   * @param  {Player} player\n   *         A {@link Player} instance.\n   */\n\n\n  function clearCacheForPlayer(player) {\n    middlewareInstances[player.id()] = null;\n  }\n  /**\n   * {\n   *  [playerId]: [[mwFactory, mwInstance], ...]\n   * }\n   *\n   * @private\n   */\n\n  function getOrCreateFactory(player, mwFactory) {\n    var mws = middlewareInstances[player.id()];\n    var mw = null;\n\n    if (mws === undefined || mws === null) {\n      mw = mwFactory(player);\n      middlewareInstances[player.id()] = [[mwFactory, mw]];\n      return mw;\n    }\n\n    for (var i = 0; i < mws.length; i++) {\n      var _mws$i = mws[i],\n          mwf = _mws$i[0],\n          mwi = _mws$i[1];\n\n      if (mwf !== mwFactory) {\n        continue;\n      }\n\n      mw = mwi;\n    }\n\n    if (mw === null) {\n      mw = mwFactory(player);\n      mws.push([mwFactory, mw]);\n    }\n\n    return mw;\n  }\n\n  function setSourceHelper(src, middleware, next, player, acc, lastRun) {\n    if (src === void 0) {\n      src = {};\n    }\n\n    if (middleware === void 0) {\n      middleware = [];\n    }\n\n    if (acc === void 0) {\n      acc = [];\n    }\n\n    if (lastRun === void 0) {\n      lastRun = false;\n    }\n\n    var _middleware = middleware,\n        mwFactory = _middleware[0],\n        mwrest = _middleware.slice(1); // if mwFactory is a string, then we're at a fork in the road\n\n\n    if (typeof mwFactory === 'string') {\n      setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun); // if we have an mwFactory, call it with the player to get the mw,\n      // then call the mw's setSource method\n    } else if (mwFactory) {\n      var mw = getOrCreateFactory(player, mwFactory); // if setSource isn't present, implicitly select this middleware\n\n      if (!mw.setSource) {\n        acc.push(mw);\n        return setSourceHelper(src, mwrest, next, player, acc, lastRun);\n      }\n\n      mw.setSource(assign({}, src), function (err, _src) {\n        // something happened, try the next middleware on the current level\n        // make sure to use the old src\n        if (err) {\n          return setSourceHelper(src, mwrest, next, player, acc, lastRun);\n        } // we've succeeded, now we need to go deeper\n\n\n        acc.push(mw); // if it's the same type, continue down the current chain\n        // otherwise, we want to go down the new chain\n\n        setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);\n      });\n    } else if (mwrest.length) {\n      setSourceHelper(src, mwrest, next, player, acc, lastRun);\n    } else if (lastRun) {\n      next(src, acc);\n    } else {\n      setSourceHelper(src, middlewares['*'], next, player, acc, true);\n    }\n  }\n\n  /**\n   * Mimetypes\n   *\n   * @see http://hul.harvard.edu/ois/////systems/wax/wax-public-help/mimetypes.htm\n   * @typedef Mimetypes~Kind\n   * @enum\n   */\n\n  var MimetypesKind = {\n    opus: 'video/ogg',\n    ogv: 'video/ogg',\n    mp4: 'video/mp4',\n    mov: 'video/mp4',\n    m4v: 'video/mp4',\n    mkv: 'video/x-matroska',\n    m4a: 'audio/mp4',\n    mp3: 'audio/mpeg',\n    aac: 'audio/aac',\n    oga: 'audio/ogg',\n    m3u8: 'application/x-mpegURL',\n    jpg: 'image/jpeg',\n    jpeg: 'image/jpeg',\n    gif: 'image/gif',\n    png: 'image/png',\n    svg: 'image/svg+xml',\n    webp: 'image/webp'\n  };\n  /**\n   * Get the mimetype of a given src url if possible\n   *\n   * @param {string} src\n   *        The url to the src\n   *\n   * @return {string}\n   *         return the mimetype if it was known or empty string otherwise\n   */\n\n  var getMimetype = function getMimetype(src) {\n    if (src === void 0) {\n      src = '';\n    }\n\n    var ext = getFileExtension(src);\n    var mimetype = MimetypesKind[ext.toLowerCase()];\n    return mimetype || '';\n  };\n  /**\n   * Find the mime type of a given source string if possible. Uses the player\n   * source cache.\n   *\n   * @param {Player} player\n   *        The player object\n   *\n   * @param {string} src\n   *        The source string\n   *\n   * @return {string}\n   *         The type that was found\n   */\n\n  var findMimetype = function findMimetype(player, src) {\n    if (!src) {\n      return '';\n    } // 1. check for the type in the `source` cache\n\n\n    if (player.cache_.source.src === src && player.cache_.source.type) {\n      return player.cache_.source.type;\n    } // 2. see if we have this source in our `currentSources` cache\n\n\n    var matchingSources = player.cache_.sources.filter(function (s) {\n      return s.src === src;\n    });\n\n    if (matchingSources.length) {\n      return matchingSources[0].type;\n    } // 3. look for the src url in source elements and use the type there\n\n\n    var sources = player.$$('source');\n\n    for (var i = 0; i < sources.length; i++) {\n      var s = sources[i];\n\n      if (s.type && s.src && s.src === src) {\n        return s.type;\n      }\n    } // 4. finally fallback to our list of mime types based on src url extension\n\n\n    return getMimetype(src);\n  };\n\n  /**\n   * @module filter-source\n   */\n  /**\n   * Filter out single bad source objects or multiple source objects in an\n   * array. Also flattens nested source object arrays into a 1 dimensional\n   * array of source objects.\n   *\n   * @param {Tech~SourceObject|Tech~SourceObject[]} src\n   *        The src object to filter\n   *\n   * @return {Tech~SourceObject[]}\n   *         An array of sourceobjects containing only valid sources\n   *\n   * @private\n   */\n\n  var filterSource = function filterSource(src) {\n    // traverse array\n    if (Array.isArray(src)) {\n      var newsrc = [];\n      src.forEach(function (srcobj) {\n        srcobj = filterSource(srcobj);\n\n        if (Array.isArray(srcobj)) {\n          newsrc = newsrc.concat(srcobj);\n        } else if (isObject(srcobj)) {\n          newsrc.push(srcobj);\n        }\n      });\n      src = newsrc;\n    } else if (typeof src === 'string' && src.trim()) {\n      // convert string into object\n      src = [fixSource({\n        src: src\n      })];\n    } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {\n      // src is already valid\n      src = [fixSource(src)];\n    } else {\n      // invalid source, turn it into an empty array\n      src = [];\n    }\n\n    return src;\n  };\n  /**\n   * Checks src mimetype, adding it when possible\n   *\n   * @param {Tech~SourceObject} src\n   *        The src object to check\n   * @return {Tech~SourceObject}\n   *        src Object with known type\n   */\n\n\n  function fixSource(src) {\n    if (!src.type) {\n      var mimetype = getMimetype(src.src);\n\n      if (mimetype) {\n        src.type = mimetype;\n      }\n    }\n\n    return src;\n  }\n\n  /**\n   * The `MediaLoader` is the `Component` that decides which playback technology to load\n   * when a player is initialized.\n   *\n   * @extends Component\n   */\n\n  var MediaLoader = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MediaLoader, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should attach to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function that is run when this component is ready.\n     */\n    function MediaLoader(player, options, ready) {\n      var _this;\n\n      // MediaLoader has no element\n      var options_ = mergeOptions({\n        createEl: false\n      }, options);\n      _this = _Component.call(this, player, options_, ready) || this; // If there are no sources when the player is initialized,\n      // load the first supported playback technology.\n\n      if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {\n        for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {\n          var techName = toTitleCase(j[i]);\n          var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.\n          // Remove once that deprecated behavior is removed.\n\n          if (!techName) {\n            tech = Component.getComponent(techName);\n          } // Check if the browser supports this technology\n\n\n          if (tech && tech.isSupported()) {\n            player.loadTech_(techName);\n            break;\n          }\n        }\n      } else {\n        // Loop through playback technologies (HTML5, Flash) and check for support.\n        // Then load the best source.\n        // A few assumptions here:\n        //   All playback technologies respect preload false.\n        player.src(options.playerOptions.sources);\n      }\n\n      return _this;\n    }\n\n    return MediaLoader;\n  }(Component);\n\n  Component.registerComponent('MediaLoader', MediaLoader);\n\n  /**\n   * Component which is clickable or keyboard actionable, but is not a\n   * native HTML button.\n   *\n   * @extends Component\n   */\n\n  var ClickableComponent = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ClickableComponent, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param  {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param  {Object} [options]\n     *         The key/value store of player options.\n     *\n     * @param  {function} [options.clickHandler]\n     *         The function to call when the button is clicked / activated\n     */\n    function ClickableComponent(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.emitTapEvents();\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Create the `ClickableComponent`s DOM element.\n     *\n     * @param {string} [tag=div]\n     *        The element's node type.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element.\n     *\n     * @param {Object} [attributes={}]\n     *        An object of attributes that should be set on the element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n\n\n    var _proto = ClickableComponent.prototype;\n\n    _proto.createEl = function createEl(tag, props, attributes) {\n      if (tag === void 0) {\n        tag = 'div';\n      }\n\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      props = assign({\n        innerHTML: '<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>',\n        className: this.buildCSSClass(),\n        tabIndex: 0\n      }, props);\n\n      if (tag === 'button') {\n        log.error(\"Creating a ClickableComponent with an HTML element of \" + tag + \" is not supported; use a Button instead.\");\n      } // Add ARIA attributes for clickable element which is not a native HTML button\n\n\n      attributes = assign({\n        role: 'button'\n      }, attributes);\n      this.tabIndex_ = props.tabIndex;\n\n      var el = _Component.prototype.createEl.call(this, tag, props, attributes);\n\n      this.createControlTextEl(el);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      // remove controlTextEl_ on dispose\n      this.controlTextEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Create a control text element on this `ClickableComponent`\n     *\n     * @param {Element} [el]\n     *        Parent element for the control text.\n     *\n     * @return {Element}\n     *         The control text element that gets created.\n     */\n    ;\n\n    _proto.createControlTextEl = function createControlTextEl(el) {\n      this.controlTextEl_ = createEl('span', {\n        className: 'vjs-control-text'\n      }, {\n        // let the screen reader user know that the text of the element may change\n        'aria-live': 'polite'\n      });\n\n      if (el) {\n        el.appendChild(this.controlTextEl_);\n      }\n\n      this.controlText(this.controlText_, el);\n      return this.controlTextEl_;\n    }\n    /**\n     * Get or set the localize text to use for the controls on the `ClickableComponent`.\n     *\n     * @param {string} [text]\n     *        Control text for element.\n     *\n     * @param {Element} [el=this.el()]\n     *        Element to set the title on.\n     *\n     * @return {string}\n     *         - The control text when getting\n     */\n    ;\n\n    _proto.controlText = function controlText(text, el) {\n      if (el === void 0) {\n        el = this.el();\n      }\n\n      if (text === undefined) {\n        return this.controlText_ || 'Need Text';\n      }\n\n      var localizedText = this.localize(text);\n      this.controlText_ = text;\n      textContent(this.controlTextEl_, localizedText);\n\n      if (!this.nonIconControl) {\n        // Set title attribute if only an icon is shown\n        el.setAttribute('title', localizedText);\n      }\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-control vjs-button \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Enable this `ClickableComponent`\n     */\n    ;\n\n    _proto.enable = function enable() {\n      if (!this.enabled_) {\n        this.enabled_ = true;\n        this.removeClass('vjs-disabled');\n        this.el_.setAttribute('aria-disabled', 'false');\n\n        if (typeof this.tabIndex_ !== 'undefined') {\n          this.el_.setAttribute('tabIndex', this.tabIndex_);\n        }\n\n        this.on(['tap', 'click'], this.handleClick);\n        this.on('keydown', this.handleKeyDown);\n      }\n    }\n    /**\n     * Disable this `ClickableComponent`\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.enabled_ = false;\n      this.addClass('vjs-disabled');\n      this.el_.setAttribute('aria-disabled', 'true');\n\n      if (typeof this.tabIndex_ !== 'undefined') {\n        this.el_.removeAttribute('tabIndex');\n      }\n\n      this.off('mouseover', this.handleMouseOver);\n      this.off('mouseout', this.handleMouseOut);\n      this.off(['tap', 'click'], this.handleClick);\n      this.off('keydown', this.handleKeyDown);\n    }\n    /**\n     * Event handler that is called when a `ClickableComponent` receives a\n     * `click` or `tap` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `tap` or `click` event that caused this function to be called.\n     *\n     * @listens tap\n     * @listens click\n     * @abstract\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.options_.clickHandler) {\n        this.options_.clickHandler.call(this, arguments);\n      }\n    }\n    /**\n     * Event handler that is called when a `ClickableComponent` receives a\n     * `keydown` event.\n     *\n     * By default, if the key is Space or Enter, it will trigger a `click` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Support Space or Enter key operation to fire a click event. Also,\n      // prevent the event from propagating through the DOM and triggering\n      // Player hotkeys.\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.trigger('click');\n      } else {\n        // Pass keypress handling up for unsupported keys\n        _Component.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return ClickableComponent;\n  }(Component);\n\n  Component.registerComponent('ClickableComponent', ClickableComponent);\n\n  /**\n   * A `ClickableComponent` that handles showing the poster image for the player.\n   *\n   * @extends ClickableComponent\n   */\n\n  var PosterImage = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(PosterImage, _ClickableComponent);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should attach to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PosterImage(player, options) {\n      var _this;\n\n      _this = _ClickableComponent.call(this, player, options) || this;\n\n      _this.update();\n\n      player.on('posterchange', bind(assertThisInitialized(_this), _this.update));\n      return _this;\n    }\n    /**\n     * Clean up and dispose of the `PosterImage`.\n     */\n\n\n    var _proto = PosterImage.prototype;\n\n    _proto.dispose = function dispose() {\n      this.player().off('posterchange', this.update);\n\n      _ClickableComponent.prototype.dispose.call(this);\n    }\n    /**\n     * Create the `PosterImage`s DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var el = createEl('div', {\n        className: 'vjs-poster',\n        // Don't want poster to be tabbable.\n        tabIndex: -1\n      });\n      return el;\n    }\n    /**\n     * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.\n     *\n     * @listens Player#posterchange\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `Player#posterchange` event that triggered this function.\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var url = this.player().poster();\n      this.setSrc(url); // If there's no poster source we should display:none on this component\n      // so it's not still clickable or right-clickable\n\n      if (url) {\n        this.show();\n      } else {\n        this.hide();\n      }\n    }\n    /**\n     * Set the source of the `PosterImage` depending on the display method.\n     *\n     * @param {string} url\n     *        The URL to the source for the `PosterImage`.\n     */\n    ;\n\n    _proto.setSrc = function setSrc(url) {\n      var backgroundImage = ''; // Any falsy value should stay as an empty string, otherwise\n      // this will throw an extra error\n\n      if (url) {\n        backgroundImage = \"url(\\\"\" + url + \"\\\")\";\n      }\n\n      this.el_.style.backgroundImage = backgroundImage;\n    }\n    /**\n     * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See\n     * {@link ClickableComponent#handleClick} for instances where this will be triggered.\n     *\n     * @listens tap\n     * @listens click\n     * @listens keydown\n     *\n     * @param {EventTarget~Event} event\n     +        The `click`, `tap` or `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      // We don't want a click to trigger playback when controls are disabled\n      if (!this.player_.controls()) {\n        return;\n      }\n\n      var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;\n\n      if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where\n      // calling .focus() on the video element causes the video to go black,\n      // so we avoid it in that specific case\n      !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {\n        this.player_.tech(true).focus();\n      }\n\n      if (this.player_.paused()) {\n        silencePromise(this.player_.play());\n      } else {\n        this.player_.pause();\n      }\n    };\n\n    return PosterImage;\n  }(ClickableComponent);\n\n  Component.registerComponent('PosterImage', PosterImage);\n\n  var darkGray = '#222';\n  var lightGray = '#ccc';\n  var fontMap = {\n    monospace: 'monospace',\n    sansSerif: 'sans-serif',\n    serif: 'serif',\n    monospaceSansSerif: '\"Andale Mono\", \"Lucida Console\", monospace',\n    monospaceSerif: '\"Courier New\", monospace',\n    proportionalSansSerif: 'sans-serif',\n    proportionalSerif: 'serif',\n    casual: '\"Comic Sans MS\", Impact, fantasy',\n    script: '\"Monotype Corsiva\", cursive',\n    smallcaps: '\"Andale Mono\", \"Lucida Console\", monospace, sans-serif'\n  };\n  /**\n   * Construct an rgba color from a given hex color code.\n   *\n   * @param {number} color\n   *        Hex number for color, like #f0e or #f604e2.\n   *\n   * @param {number} opacity\n   *        Value for opacity, 0.0 - 1.0.\n   *\n   * @return {string}\n   *         The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.\n   */\n\n  function constructColor(color, opacity) {\n    var hex;\n\n    if (color.length === 4) {\n      // color looks like \"#f0e\"\n      hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3];\n    } else if (color.length === 7) {\n      // color looks like \"#f604e2\"\n      hex = color.slice(1);\n    } else {\n      throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.');\n    }\n\n    return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')';\n  }\n  /**\n   * Try to update the style of a DOM element. Some style changes will throw an error,\n   * particularly in IE8. Those should be noops.\n   *\n   * @param {Element} el\n   *        The DOM element to be styled.\n   *\n   * @param {string} style\n   *        The CSS property on the element that should be styled.\n   *\n   * @param {string} rule\n   *        The style rule that should be applied to the property.\n   *\n   * @private\n   */\n\n  function tryUpdateStyle(el, style, rule) {\n    try {\n      el.style[style] = rule;\n    } catch (e) {\n      // Satisfies linter.\n      return;\n    }\n  }\n  /**\n   * The component for displaying text track cues.\n   *\n   * @extends Component\n   */\n\n\n  var TextTrackDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TextTrackDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when `TextTrackDisplay` is ready.\n     */\n    function TextTrackDisplay(player, options, ready) {\n      var _this;\n\n      _this = _Component.call(this, player, options, ready) || this;\n      var updateDisplayHandler = bind(assertThisInitialized(_this), _this.updateDisplay);\n      player.on('loadstart', bind(assertThisInitialized(_this), _this.toggleDisplay));\n      player.on('texttrackchange', updateDisplayHandler);\n      player.on('loadedmetadata', bind(assertThisInitialized(_this), _this.preselectTrack)); // This used to be called during player init, but was causing an error\n      // if a track should show by default and the display hadn't loaded yet.\n      // Should probably be moved to an external track loader when we support\n      // tracks that don't need a display.\n\n      player.ready(bind(assertThisInitialized(_this), function () {\n        if (player.tech_ && player.tech_.featuresNativeTextTracks) {\n          this.hide();\n          return;\n        }\n\n        player.on('fullscreenchange', updateDisplayHandler);\n        player.on('playerresize', updateDisplayHandler);\n        window$3.addEventListener('orientationchange', updateDisplayHandler);\n        player.on('dispose', function () {\n          return window$3.removeEventListener('orientationchange', updateDisplayHandler);\n        });\n        var tracks = this.options_.playerOptions.tracks || [];\n\n        for (var i = 0; i < tracks.length; i++) {\n          this.player_.addRemoteTextTrack(tracks[i], true);\n        }\n\n        this.preselectTrack();\n      }));\n      return _this;\n    }\n    /**\n    * Preselect a track following this precedence:\n    * - matches the previously selected {@link TextTrack}'s language and kind\n    * - matches the previously selected {@link TextTrack}'s language only\n    * - is the first default captions track\n    * - is the first default descriptions track\n    *\n    * @listens Player#loadstart\n    */\n\n\n    var _proto = TextTrackDisplay.prototype;\n\n    _proto.preselectTrack = function preselectTrack() {\n      var modes = {\n        captions: 1,\n        subtitles: 1\n      };\n      var trackList = this.player_.textTracks();\n      var userPref = this.player_.cache_.selectedLanguage;\n      var firstDesc;\n      var firstCaptions;\n      var preferredTrack;\n\n      for (var i = 0; i < trackList.length; i++) {\n        var track = trackList[i];\n\n        if (userPref && userPref.enabled && userPref.language && userPref.language === track.language && track.kind in modes) {\n          // Always choose the track that matches both language and kind\n          if (track.kind === userPref.kind) {\n            preferredTrack = track; // or choose the first track that matches language\n          } else if (!preferredTrack) {\n            preferredTrack = track;\n          } // clear everything if offTextTrackMenuItem was clicked\n\n        } else if (userPref && !userPref.enabled) {\n          preferredTrack = null;\n          firstDesc = null;\n          firstCaptions = null;\n        } else if (track[\"default\"]) {\n          if (track.kind === 'descriptions' && !firstDesc) {\n            firstDesc = track;\n          } else if (track.kind in modes && !firstCaptions) {\n            firstCaptions = track;\n          }\n        }\n      } // The preferredTrack matches the user preference and takes\n      // precedence over all the other tracks.\n      // So, display the preferredTrack before the first default track\n      // and the subtitles/captions track before the descriptions track\n\n\n      if (preferredTrack) {\n        preferredTrack.mode = 'showing';\n      } else if (firstCaptions) {\n        firstCaptions.mode = 'showing';\n      } else if (firstDesc) {\n        firstDesc.mode = 'showing';\n      }\n    }\n    /**\n     * Turn display of {@link TextTrack}'s from the current state into the other state.\n     * There are only two states:\n     * - 'shown'\n     * - 'hidden'\n     *\n     * @listens Player#loadstart\n     */\n    ;\n\n    _proto.toggleDisplay = function toggleDisplay() {\n      if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {\n        this.hide();\n      } else {\n        this.show();\n      }\n    }\n    /**\n     * Create the {@link Component}'s DOM element.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-text-track-display'\n      }, {\n        'aria-live': 'off',\n        'aria-atomic': 'true'\n      });\n    }\n    /**\n     * Clear all displayed {@link TextTrack}s.\n     */\n    ;\n\n    _proto.clearDisplay = function clearDisplay() {\n      if (typeof window$3.WebVTT === 'function') {\n        window$3.WebVTT.processCues(window$3, [], this.el_);\n      }\n    }\n    /**\n     * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or\n     * a {@link Player#fullscreenchange} is fired.\n     *\n     * @listens Player#texttrackchange\n     * @listens Player#fullscreenchange\n     */\n    ;\n\n    _proto.updateDisplay = function updateDisplay() {\n      var tracks = this.player_.textTracks();\n      var allowMultipleShowingTracks = this.options_.allowMultipleShowingTracks;\n      this.clearDisplay();\n\n      if (allowMultipleShowingTracks) {\n        var showingTracks = [];\n\n        for (var _i = 0; _i < tracks.length; ++_i) {\n          var track = tracks[_i];\n\n          if (track.mode !== 'showing') {\n            continue;\n          }\n\n          showingTracks.push(track);\n        }\n\n        this.updateForTrack(showingTracks);\n        return;\n      } //  Track display prioritization model: if multiple tracks are 'showing',\n      //  display the first 'subtitles' or 'captions' track which is 'showing',\n      //  otherwise display the first 'descriptions' track which is 'showing'\n\n\n      var descriptionsTrack = null;\n      var captionsSubtitlesTrack = null;\n      var i = tracks.length;\n\n      while (i--) {\n        var _track = tracks[i];\n\n        if (_track.mode === 'showing') {\n          if (_track.kind === 'descriptions') {\n            descriptionsTrack = _track;\n          } else {\n            captionsSubtitlesTrack = _track;\n          }\n        }\n      }\n\n      if (captionsSubtitlesTrack) {\n        if (this.getAttribute('aria-live') !== 'off') {\n          this.setAttribute('aria-live', 'off');\n        }\n\n        this.updateForTrack(captionsSubtitlesTrack);\n      } else if (descriptionsTrack) {\n        if (this.getAttribute('aria-live') !== 'assertive') {\n          this.setAttribute('aria-live', 'assertive');\n        }\n\n        this.updateForTrack(descriptionsTrack);\n      }\n    }\n    /**\n     * Style {@Link TextTrack} activeCues according to {@Link TextTrackSettings}.\n     *\n     * @param {TextTrack} track\n     *        Text track object containing active cues to style.\n     */\n    ;\n\n    _proto.updateDisplayState = function updateDisplayState(track) {\n      var overrides = this.player_.textTrackSettings.getValues();\n      var cues = track.activeCues;\n      var i = cues.length;\n\n      while (i--) {\n        var cue = cues[i];\n\n        if (!cue) {\n          continue;\n        }\n\n        var cueDiv = cue.displayState;\n\n        if (overrides.color) {\n          cueDiv.firstChild.style.color = overrides.color;\n        }\n\n        if (overrides.textOpacity) {\n          tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));\n        }\n\n        if (overrides.backgroundColor) {\n          cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;\n        }\n\n        if (overrides.backgroundOpacity) {\n          tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));\n        }\n\n        if (overrides.windowColor) {\n          if (overrides.windowOpacity) {\n            tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));\n          } else {\n            cueDiv.style.backgroundColor = overrides.windowColor;\n          }\n        }\n\n        if (overrides.edgeStyle) {\n          if (overrides.edgeStyle === 'dropshadow') {\n            cueDiv.firstChild.style.textShadow = \"2px 2px 3px \" + darkGray + \", 2px 2px 4px \" + darkGray + \", 2px 2px 5px \" + darkGray;\n          } else if (overrides.edgeStyle === 'raised') {\n            cueDiv.firstChild.style.textShadow = \"1px 1px \" + darkGray + \", 2px 2px \" + darkGray + \", 3px 3px \" + darkGray;\n          } else if (overrides.edgeStyle === 'depressed') {\n            cueDiv.firstChild.style.textShadow = \"1px 1px \" + lightGray + \", 0 1px \" + lightGray + \", -1px -1px \" + darkGray + \", 0 -1px \" + darkGray;\n          } else if (overrides.edgeStyle === 'uniform') {\n            cueDiv.firstChild.style.textShadow = \"0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray;\n          }\n        }\n\n        if (overrides.fontPercent && overrides.fontPercent !== 1) {\n          var fontSize = window$3.parseFloat(cueDiv.style.fontSize);\n          cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';\n          cueDiv.style.height = 'auto';\n          cueDiv.style.top = 'auto';\n          cueDiv.style.bottom = '2px';\n        }\n\n        if (overrides.fontFamily && overrides.fontFamily !== 'default') {\n          if (overrides.fontFamily === 'small-caps') {\n            cueDiv.firstChild.style.fontVariant = 'small-caps';\n          } else {\n            cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];\n          }\n        }\n      }\n    }\n    /**\n     * Add an {@link TextTrack} to to the {@link Tech}s {@link TextTrackList}.\n     *\n     * @param {TextTrack|TextTrack[]} tracks\n     *        Text track object or text track array to be added to the list.\n     */\n    ;\n\n    _proto.updateForTrack = function updateForTrack(tracks) {\n      if (!Array.isArray(tracks)) {\n        tracks = [tracks];\n      }\n\n      if (typeof window$3.WebVTT !== 'function' || tracks.every(function (track) {\n        return !track.activeCues;\n      })) {\n        return;\n      }\n\n      var cues = []; // push all active track cues\n\n      for (var i = 0; i < tracks.length; ++i) {\n        var track = tracks[i];\n\n        for (var j = 0; j < track.activeCues.length; ++j) {\n          cues.push(track.activeCues[j]);\n        }\n      } // removes all cues before it processes new ones\n\n\n      window$3.WebVTT.processCues(window$3, cues, this.el_); // add unique class to each language text track & add settings styling if necessary\n\n      for (var _i2 = 0; _i2 < tracks.length; ++_i2) {\n        var _track2 = tracks[_i2];\n\n        for (var _j = 0; _j < _track2.activeCues.length; ++_j) {\n          var cueEl = _track2.activeCues[_j].displayState;\n          addClass(cueEl, 'vjs-text-track-cue');\n          addClass(cueEl, 'vjs-text-track-cue-' + (_track2.language ? _track2.language : _i2));\n        }\n\n        if (this.player_.textTrackSettings) {\n          this.updateDisplayState(_track2);\n        }\n      }\n    };\n\n    return TextTrackDisplay;\n  }(Component);\n\n  Component.registerComponent('TextTrackDisplay', TextTrackDisplay);\n\n  /**\n   * A loading spinner for use during waiting/loading events.\n   *\n   * @extends Component\n   */\n\n  var LoadingSpinner = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LoadingSpinner, _Component);\n\n    function LoadingSpinner() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = LoadingSpinner.prototype;\n\n    /**\n     * Create the `LoadingSpinner`s DOM element.\n     *\n     * @return {Element}\n     *         The dom element that gets created.\n     */\n    _proto.createEl = function createEl$1() {\n      var isAudio = this.player_.isAudio();\n      var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');\n      var controlText = createEl('span', {\n        className: 'vjs-control-text',\n        innerHTML: this.localize('{1} is loading.', [playerType])\n      });\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-loading-spinner',\n        dir: 'ltr'\n      });\n\n      el.appendChild(controlText);\n      return el;\n    };\n\n    return LoadingSpinner;\n  }(Component);\n\n  Component.registerComponent('LoadingSpinner', LoadingSpinner);\n\n  /**\n   * Base class for all buttons.\n   *\n   * @extends ClickableComponent\n   */\n\n  var Button = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(Button, _ClickableComponent);\n\n    function Button() {\n      return _ClickableComponent.apply(this, arguments) || this;\n    }\n\n    var _proto = Button.prototype;\n\n    /**\n     * Create the `Button`s DOM element.\n     *\n     * @param {string} [tag=\"button\"]\n     *        The element's node type. This argument is IGNORED: no matter what\n     *        is passed, it will always create a `button` element.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element.\n     *\n     * @param {Object} [attributes={}]\n     *        An object of attributes that should be set on the element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    _proto.createEl = function createEl(tag, props, attributes) {\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      tag = 'button';\n      props = assign({\n        innerHTML: '<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>',\n        className: this.buildCSSClass()\n      }, props); // Add attributes for button element\n\n      attributes = assign({\n        // Necessary since the default button type is \"submit\"\n        type: 'button'\n      }, attributes);\n      var el = Component.prototype.createEl.call(this, tag, props, attributes);\n      this.createControlTextEl(el);\n      return el;\n    }\n    /**\n     * Add a child `Component` inside of this `Button`.\n     *\n     * @param {string|Component} child\n     *        The name or instance of a child to add.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of options that will get passed to children of\n     *        the child.\n     *\n     * @return {Component}\n     *         The `Component` that gets added as a child. When using a string the\n     *         `Component` will get created by this process.\n     *\n     * @deprecated since version 5\n     */\n    ;\n\n    _proto.addChild = function addChild(child, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      var className = this.constructor.name;\n      log.warn(\"Adding an actionable (user controllable) child to a Button (\" + className + \") is not supported; use a ClickableComponent instead.\"); // Avoid the error message generated by ClickableComponent's addChild method\n\n      return Component.prototype.addChild.call(this, child, options);\n    }\n    /**\n     * Enable the `Button` element so that it can be activated or clicked. Use this with\n     * {@link Button#disable}.\n     */\n    ;\n\n    _proto.enable = function enable() {\n      _ClickableComponent.prototype.enable.call(this);\n\n      this.el_.removeAttribute('disabled');\n    }\n    /**\n     * Disable the `Button` element so that it cannot be activated or clicked. Use this with\n     * {@link Button#enable}.\n     */\n    ;\n\n    _proto.disable = function disable() {\n      _ClickableComponent.prototype.disable.call(this);\n\n      this.el_.setAttribute('disabled', 'disabled');\n    }\n    /**\n     * This gets called when a `Button` has focus and `keydown` is triggered via a key\n     * press.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to get called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Ignore Space or Enter key operation, which is handled by the browser for\n      // a button - though not for its super class, ClickableComponent. Also,\n      // prevent the event from propagating through the DOM and triggering Player\n      // hotkeys. We do not preventDefault here because we _want_ the browser to\n      // handle it.\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.stopPropagation();\n        return;\n      } // Pass keypress handling up for unsupported keys\n\n\n      _ClickableComponent.prototype.handleKeyDown.call(this, event);\n    };\n\n    return Button;\n  }(ClickableComponent);\n\n  Component.registerComponent('Button', Button);\n\n  /**\n   * The initial play button that shows before the video has played. The hiding of the\n   * `BigPlayButton` get done via CSS and `Player` states.\n   *\n   * @extends Button\n   */\n\n  var BigPlayButton = /*#__PURE__*/function (_Button) {\n    inheritsLoose(BigPlayButton, _Button);\n\n    function BigPlayButton(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n      _this.mouseused_ = false;\n\n      _this.on('mousedown', _this.handleMouseDown);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object. Always returns 'vjs-big-play-button'.\n     */\n\n\n    var _proto = BigPlayButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-big-play-button';\n    }\n    /**\n     * This gets called when a `BigPlayButton` \"clicked\". See {@link ClickableComponent}\n     * for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var playPromise = this.player_.play(); // exit early if clicked via the mouse\n\n      if (this.mouseused_ && event.clientX && event.clientY) {\n        var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;\n        silencePromise(playPromise);\n\n        if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where\n        // calling .focus() on the video element causes the video to go black,\n        // so we avoid it in that specific case\n        !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {\n          this.player_.tech(true).focus();\n        }\n\n        return;\n      }\n\n      var cb = this.player_.getChild('controlBar');\n      var playToggle = cb && cb.getChild('playToggle');\n\n      if (!playToggle) {\n        this.player_.tech(true).focus();\n        return;\n      }\n\n      var playFocus = function playFocus() {\n        return playToggle.focus();\n      };\n\n      if (isPromise(playPromise)) {\n        playPromise.then(playFocus, function () {});\n      } else {\n        this.setTimeout(playFocus, 1);\n      }\n    };\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      this.mouseused_ = false;\n\n      _Button.prototype.handleKeyDown.call(this, event);\n    };\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      this.mouseused_ = true;\n    };\n\n    return BigPlayButton;\n  }(Button);\n  /**\n   * The text that should display over the `BigPlayButton`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  BigPlayButton.prototype.controlText_ = 'Play Video';\n  Component.registerComponent('BigPlayButton', BigPlayButton);\n\n  /**\n   * The `CloseButton` is a `{@link Button}` that fires a `close` event when\n   * it gets clicked.\n   *\n   * @extends Button\n   */\n\n  var CloseButton = /*#__PURE__*/function (_Button) {\n    inheritsLoose(CloseButton, _Button);\n\n    /**\n    * Creates an instance of the this class.\n    *\n    * @param  {Player} player\n    *         The `Player` that this class should be attached to.\n    *\n    * @param  {Object} [options]\n    *         The key/value store of player options.\n    */\n    function CloseButton(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.controlText(options && options.controlText || _this.localize('Close'));\n\n      return _this;\n    }\n    /**\n    * Builds the default DOM `className`.\n    *\n    * @return {string}\n    *         The DOM `className` for this object.\n    */\n\n\n    var _proto = CloseButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-close-button \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when a `CloseButton` gets clicked. See\n     * {@link ClickableComponent#handleClick} for more information on when\n     * this will be triggered\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     * @fires CloseButton#close\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      /**\n       * Triggered when the a `CloseButton` is clicked.\n       *\n       * @event CloseButton#close\n       * @type {EventTarget~Event}\n       *\n       * @property {boolean} [bubbles=false]\n       *           set to false so that the close event does not\n       *           bubble up to parents if there is no listener\n       */\n      this.trigger({\n        type: 'close',\n        bubbles: false\n      });\n    }\n    /**\n     * Event handler that is called when a `CloseButton` receives a\n     * `keydown` event.\n     *\n     * By default, if the key is Esc, it will trigger a `click` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Esc button will trigger `click` event\n      if (keycode.isEventKey(event, 'Esc')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.trigger('click');\n      } else {\n        // Pass keypress handling up for unsupported keys\n        _Button.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return CloseButton;\n  }(Button);\n\n  Component.registerComponent('CloseButton', CloseButton);\n\n  /**\n   * Button to toggle between play and pause.\n   *\n   * @extends Button\n   */\n\n  var PlayToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(PlayToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function PlayToggle(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _Button.call(this, player, options) || this; // show or hide replay icon\n\n      options.replay = options.replay === undefined || options.replay;\n\n      _this.on(player, 'play', _this.handlePlay);\n\n      _this.on(player, 'pause', _this.handlePause);\n\n      if (options.replay) {\n        _this.on(player, 'ended', _this.handleEnded);\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = PlayToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-play-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when an `PlayToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.player_.paused()) {\n        this.player_.play();\n      } else {\n        this.player_.pause();\n      }\n    }\n    /**\n     * This gets called once after the video has ended and the user seeks so that\n     * we can change the replay button back to a play button.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#seeked\n     */\n    ;\n\n    _proto.handleSeeked = function handleSeeked(event) {\n      this.removeClass('vjs-ended');\n\n      if (this.player_.paused()) {\n        this.handlePause(event);\n      } else {\n        this.handlePlay(event);\n      }\n    }\n    /**\n     * Add the vjs-playing class to the element so it can change appearance.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#play\n     */\n    ;\n\n    _proto.handlePlay = function handlePlay(event) {\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-paused');\n      this.addClass('vjs-playing'); // change the button text to \"Pause\"\n\n      this.controlText('Pause');\n    }\n    /**\n     * Add the vjs-paused class to the element so it can change appearance.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#pause\n     */\n    ;\n\n    _proto.handlePause = function handlePause(event) {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-paused'); // change the button text to \"Play\"\n\n      this.controlText('Play');\n    }\n    /**\n     * Add the vjs-ended class to the element so it can change appearance\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#ended\n     */\n    ;\n\n    _proto.handleEnded = function handleEnded(event) {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-ended'); // change the button text to \"Replay\"\n\n      this.controlText('Replay'); // on the next seek remove the replay button\n\n      this.one(this.player_, 'seeked', this.handleSeeked);\n    };\n\n    return PlayToggle;\n  }(Button);\n  /**\n   * The text that should display over the `PlayToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlayToggle.prototype.controlText_ = 'Play';\n  Component.registerComponent('PlayToggle', PlayToggle);\n\n  /**\n   * @file format-time.js\n   * @module format-time\n   */\n\n  /**\n   * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in\n   * seconds) will force a number of leading zeros to cover the length of the\n   * guide.\n   *\n   * @private\n   * @param  {number} seconds\n   *         Number of seconds to be turned into a string\n   *\n   * @param  {number} guide\n   *         Number (in seconds) to model the string after\n   *\n   * @return {string}\n   *         Time formatted as H:MM:SS or M:SS\n   */\n  var defaultImplementation = function defaultImplementation(seconds, guide) {\n    seconds = seconds < 0 ? 0 : seconds;\n    var s = Math.floor(seconds % 60);\n    var m = Math.floor(seconds / 60 % 60);\n    var h = Math.floor(seconds / 3600);\n    var gm = Math.floor(guide / 60 % 60);\n    var gh = Math.floor(guide / 3600); // handle invalid times\n\n    if (isNaN(seconds) || seconds === Infinity) {\n      // '-' is false for all relational operators (e.g. <, >=) so this setting\n      // will add the minimum number of fields specified by the guide\n      h = m = s = '-';\n    } // Check if we need to show hours\n\n\n    h = h > 0 || gh > 0 ? h + ':' : ''; // If hours are showing, we may need to add a leading zero.\n    // Always show at least one digit of minutes.\n\n    m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':'; // Check if leading zero is need for seconds\n\n    s = s < 10 ? '0' + s : s;\n    return h + m + s;\n  }; // Internal pointer to the current implementation.\n\n\n  var implementation = defaultImplementation;\n  /**\n   * Replaces the default formatTime implementation with a custom implementation.\n   *\n   * @param {Function} customImplementation\n   *        A function which will be used in place of the default formatTime\n   *        implementation. Will receive the current time in seconds and the\n   *        guide (in seconds) as arguments.\n   */\n\n  function setFormatTime(customImplementation) {\n    implementation = customImplementation;\n  }\n  /**\n   * Resets formatTime to the default implementation.\n   */\n\n  function resetFormatTime() {\n    implementation = defaultImplementation;\n  }\n  /**\n   * Delegates to either the default time formatting function or a custom\n   * function supplied via `setFormatTime`.\n   *\n   * Formats seconds as a time string (H:MM:SS or M:SS). Supplying a\n   * guide (in seconds) will force a number of leading zeros to cover the\n   * length of the guide.\n   *\n   * @static\n   * @example  formatTime(125, 600) === \"02:05\"\n   * @param    {number} seconds\n   *           Number of seconds to be turned into a string\n   *\n   * @param    {number} guide\n   *           Number (in seconds) to model the string after\n   *\n   * @return   {string}\n   *           Time formatted as H:MM:SS or M:SS\n   */\n\n  function formatTime(seconds, guide) {\n    if (guide === void 0) {\n      guide = seconds;\n    }\n\n    return implementation(seconds, guide);\n  }\n\n  /**\n   * Displays time information about the video\n   *\n   * @extends Component\n   */\n\n  var TimeDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TimeDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.on(player, ['timeupdate', 'ended'], _this.updateContent);\n\n      _this.updateTextNode_();\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = TimeDisplay.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var className = this.buildCSSClass();\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: className + \" vjs-time-control vjs-control\",\n        innerHTML: \"<span class=\\\"vjs-control-text\\\" role=\\\"presentation\\\">\" + this.localize(this.labelText_) + \"\\xA0</span>\"\n      });\n\n      this.contentEl_ = createEl('span', {\n        className: className + \"-display\"\n      }, {\n        // tell screen readers not to automatically read the time as it changes\n        'aria-live': 'off',\n        // span elements have no implicit role, but some screen readers (notably VoiceOver)\n        // treat them as a break between items in the DOM when using arrow keys\n        // (or left-to-right swipes on iOS) to read contents of a page. Using\n        // role='presentation' causes VoiceOver to NOT treat this span as a break.\n        'role': 'presentation'\n      });\n      el.appendChild(this.contentEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.textNode_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Updates the time display text node with a new time\n     *\n     * @param {number} [time=0] the time to update to\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateTextNode_ = function updateTextNode_(time) {\n      var _this2 = this;\n\n      if (time === void 0) {\n        time = 0;\n      }\n\n      time = formatTime(time);\n\n      if (this.formattedTime_ === time) {\n        return;\n      }\n\n      this.formattedTime_ = time;\n      this.requestAnimationFrame(function () {\n        if (!_this2.contentEl_) {\n          return;\n        }\n\n        var oldNode = _this2.textNode_;\n        _this2.textNode_ = document.createTextNode(_this2.formattedTime_);\n\n        if (!_this2.textNode_) {\n          return;\n        }\n\n        if (oldNode) {\n          _this2.contentEl_.replaceChild(_this2.textNode_, oldNode);\n        } else {\n          _this2.contentEl_.appendChild(_this2.textNode_);\n        }\n      });\n    }\n    /**\n     * To be filled out in the child class, should update the displayed time\n     * in accordance with the fact that the current time has changed.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate`  event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {};\n\n    return TimeDisplay;\n  }(Component);\n  /**\n   * The text that is added to the `TimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  TimeDisplay.prototype.labelText_ = 'Time';\n  /**\n   * The text that should display over the `TimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  TimeDisplay.prototype.controlText_ = 'Time';\n  Component.registerComponent('TimeDisplay', TimeDisplay);\n\n  /**\n   * Displays the current time\n   *\n   * @extends Component\n   */\n\n  var CurrentTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(CurrentTimeDisplay, _TimeDisplay);\n\n    function CurrentTimeDisplay() {\n      return _TimeDisplay.apply(this, arguments) || this;\n    }\n\n    var _proto = CurrentTimeDisplay.prototype;\n\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-current-time';\n    }\n    /**\n     * Update current time display\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` event that caused this function to run.\n     *\n     * @listens Player#timeupdate\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      // Allows for smooth scrubbing, when player can't keep up.\n      var time;\n\n      if (this.player_.ended()) {\n        time = this.player_.duration();\n      } else {\n        time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n      }\n\n      this.updateTextNode_(time);\n    };\n\n    return CurrentTimeDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `CurrentTimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  CurrentTimeDisplay.prototype.labelText_ = 'Current Time';\n  /**\n   * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  CurrentTimeDisplay.prototype.controlText_ = 'Current Time';\n  Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);\n\n  /**\n   * Displays the duration\n   *\n   * @extends Component\n   */\n\n  var DurationDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(DurationDisplay, _TimeDisplay);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function DurationDisplay(player, options) {\n      var _this;\n\n      _this = _TimeDisplay.call(this, player, options) || this; // we do not want to/need to throttle duration changes,\n      // as they should always display the changed duration as\n      // it has changed\n\n      _this.on(player, 'durationchange', _this.updateContent); // Listen to loadstart because the player duration is reset when a new media element is loaded,\n      // but the durationchange on the user agent will not fire.\n      // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}\n\n\n      _this.on(player, 'loadstart', _this.updateContent); // Also listen for timeupdate (in the parent) and loadedmetadata because removing those\n      // listeners could have broken dependent applications/libraries. These\n      // can likely be removed for 7.0.\n\n\n      _this.on(player, 'loadedmetadata', _this.updateContent);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = DurationDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-duration';\n    }\n    /**\n     * Update duration time display.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused\n     *        this function to be called.\n     *\n     * @listens Player#durationchange\n     * @listens Player#timeupdate\n     * @listens Player#loadedmetadata\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      var duration = this.player_.duration();\n      this.updateTextNode_(duration);\n    };\n\n    return DurationDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `DurationDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  DurationDisplay.prototype.labelText_ = 'Duration';\n  /**\n   * The text that should display over the `DurationDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  DurationDisplay.prototype.controlText_ = 'Duration';\n  Component.registerComponent('DurationDisplay', DurationDisplay);\n\n  /**\n   * The separator between the current time and duration.\n   * Can be hidden if it's not needed in the design.\n   *\n   * @extends Component\n   */\n\n  var TimeDivider = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeDivider, _Component);\n\n    function TimeDivider() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = TimeDivider.prototype;\n\n    /**\n     * Create the component's DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-time-control vjs-time-divider',\n        innerHTML: '<div><span>/</span></div>'\n      }, {\n        // this element and its contents can be hidden from assistive techs since\n        // it is made extraneous by the announcement of the control text\n        // for the current time and duration displays\n        'aria-hidden': true\n      });\n    };\n\n    return TimeDivider;\n  }(Component);\n\n  Component.registerComponent('TimeDivider', TimeDivider);\n\n  /**\n   * Displays the time left in the video\n   *\n   * @extends Component\n   */\n\n  var RemainingTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(RemainingTimeDisplay, _TimeDisplay);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function RemainingTimeDisplay(player, options) {\n      var _this;\n\n      _this = _TimeDisplay.call(this, player, options) || this;\n\n      _this.on(player, 'durationchange', _this.updateContent);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = RemainingTimeDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-remaining-time';\n    }\n    /**\n     * Create the `Component`'s DOM element with the \"minus\" characted prepend to the time\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var el = _TimeDisplay.prototype.createEl.call(this);\n\n      el.insertBefore(createEl('span', {}, {\n        'aria-hidden': true\n      }, '-'), this.contentEl_);\n      return el;\n    }\n    /**\n     * Update remaining time display.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` or `durationchange` event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     * @listens Player#durationchange\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      if (typeof this.player_.duration() !== 'number') {\n        return;\n      }\n\n      var time; // @deprecated We should only use remainingTimeDisplay\n      // as of video.js 7\n\n      if (this.player_.ended()) {\n        time = 0;\n      } else if (this.player_.remainingTimeDisplay) {\n        time = this.player_.remainingTimeDisplay();\n      } else {\n        time = this.player_.remainingTime();\n      }\n\n      this.updateTextNode_(time);\n    };\n\n    return RemainingTimeDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `RemainingTimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time';\n  /**\n   * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';\n  Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);\n\n  /**\n   * Displays the live indicator when duration is Infinity.\n   *\n   * @extends Component\n   */\n\n  var LiveDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LiveDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function LiveDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.updateShowing();\n\n      _this.on(_this.player(), 'durationchange', _this.updateShowing);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = LiveDisplay.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-live-control vjs-control'\n      });\n\n      this.contentEl_ = createEl('div', {\n        className: 'vjs-live-display',\n        innerHTML: \"<span class=\\\"vjs-control-text\\\">\" + this.localize('Stream Type') + \"\\xA0</span>\" + this.localize('LIVE')\n      }, {\n        'aria-live': 'off'\n      });\n      el.appendChild(this.contentEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide\n     * it accordingly\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#durationchange} event that caused this function to run.\n     *\n     * @listens Player#durationchange\n     */\n    ;\n\n    _proto.updateShowing = function updateShowing(event) {\n      if (this.player().duration() === Infinity) {\n        this.show();\n      } else {\n        this.hide();\n      }\n    };\n\n    return LiveDisplay;\n  }(Component);\n\n  Component.registerComponent('LiveDisplay', LiveDisplay);\n\n  /**\n   * Displays the live indicator when duration is Infinity.\n   *\n   * @extends Component\n   */\n\n  var SeekToLive = /*#__PURE__*/function (_Button) {\n    inheritsLoose(SeekToLive, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function SeekToLive(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.updateLiveEdgeStatus();\n\n      if (_this.player_.liveTracker) {\n        _this.on(_this.player_.liveTracker, 'liveedgechange', _this.updateLiveEdgeStatus);\n      }\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = SeekToLive.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Button.prototype.createEl.call(this, 'button', {\n        className: 'vjs-seek-to-live-control vjs-control'\n      });\n\n      this.textEl_ = createEl('span', {\n        className: 'vjs-seek-to-live-text',\n        innerHTML: this.localize('LIVE')\n      }, {\n        'aria-hidden': 'true'\n      });\n      el.appendChild(this.textEl_);\n      return el;\n    }\n    /**\n     * Update the state of this button if we are at the live edge\n     * or not\n     */\n    ;\n\n    _proto.updateLiveEdgeStatus = function updateLiveEdgeStatus(e) {\n      // default to live edge\n      if (!this.player_.liveTracker || this.player_.liveTracker.atLiveEdge()) {\n        this.setAttribute('aria-disabled', true);\n        this.addClass('vjs-at-live-edge');\n        this.controlText('Seek to live, currently playing live');\n      } else {\n        this.setAttribute('aria-disabled', false);\n        this.removeClass('vjs-at-live-edge');\n        this.controlText('Seek to live, currently behind live');\n      }\n    }\n    /**\n     * On click bring us as near to the live point as possible.\n     * This requires that we wait for the next `live-seekable-change`\n     * event which will happen every segment length seconds.\n     */\n    ;\n\n    _proto.handleClick = function handleClick() {\n      this.player_.liveTracker.seekToLiveEdge();\n    }\n    /**\n     * Dispose of the element and stop tracking\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      if (this.player_.liveTracker) {\n        this.off(this.player_.liveTracker, 'liveedgechange', this.updateLiveEdgeStatus);\n      }\n\n      this.textEl_ = null;\n\n      _Button.prototype.dispose.call(this);\n    };\n\n    return SeekToLive;\n  }(Button);\n\n  SeekToLive.prototype.controlText_ = 'Seek to live, currently playing live';\n  Component.registerComponent('SeekToLive', SeekToLive);\n\n  /**\n   * Keep a number between a min and a max value\n   *\n   * @param {number} number\n   *        The number to clamp\n   *\n   * @param {number} min\n   *        The minimum value\n   * @param {number} max\n   *        The maximum value\n   *\n   * @return {number}\n   *         the clamped number\n   */\n  var clamp = function clamp(number, min, max) {\n    number = Number(number);\n    return Math.min(max, Math.max(min, isNaN(number) ? min : number));\n  };\n\n  /**\n   * The base functionality for a slider. Can be vertical or horizontal.\n   * For instance the volume bar or the seek bar on a video is a slider.\n   *\n   * @extends Component\n   */\n\n  var Slider = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Slider, _Component);\n\n    /**\n    * Create an instance of this class\n    *\n    * @param {Player} player\n    *        The `Player` that this class should be attached to.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    */\n    function Slider(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this; // Set property names to bar to match with the child Slider class is looking for\n\n      _this.bar = _this.getChild(_this.options_.barName); // Set a horizontal or vertical class on the slider depending on the slider type\n\n      _this.vertical(!!_this.options_.vertical);\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Are controls are currently enabled for this slider or not.\n     *\n     * @return {boolean}\n     *         true if controls are enabled, false otherwise\n     */\n\n\n    var _proto = Slider.prototype;\n\n    _proto.enabled = function enabled() {\n      return this.enabled_;\n    }\n    /**\n     * Enable controls for this slider if they are disabled\n     */\n    ;\n\n    _proto.enable = function enable() {\n      if (this.enabled()) {\n        return;\n      }\n\n      this.on('mousedown', this.handleMouseDown);\n      this.on('touchstart', this.handleMouseDown);\n      this.on('keydown', this.handleKeyDown);\n      this.on('click', this.handleClick); // TODO: deprecated, controlsvisible does not seem to be fired\n\n      this.on(this.player_, 'controlsvisible', this.update);\n\n      if (this.playerEvent) {\n        this.on(this.player_, this.playerEvent, this.update);\n      }\n\n      this.removeClass('disabled');\n      this.setAttribute('tabindex', 0);\n      this.enabled_ = true;\n    }\n    /**\n     * Disable controls for this slider if they are enabled\n     */\n    ;\n\n    _proto.disable = function disable() {\n      if (!this.enabled()) {\n        return;\n      }\n\n      var doc = this.bar.el_.ownerDocument;\n      this.off('mousedown', this.handleMouseDown);\n      this.off('touchstart', this.handleMouseDown);\n      this.off('keydown', this.handleKeyDown);\n      this.off('click', this.handleClick);\n      this.off(this.player_, 'controlsvisible', this.update);\n      this.off(doc, 'mousemove', this.handleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchmove', this.handleMouseMove);\n      this.off(doc, 'touchend', this.handleMouseUp);\n      this.removeAttribute('tabindex');\n      this.addClass('disabled');\n\n      if (this.playerEvent) {\n        this.off(this.player_, this.playerEvent, this.update);\n      }\n\n      this.enabled_ = false;\n    }\n    /**\n     * Create the `Slider`s DOM element.\n     *\n     * @param {string} type\n     *        Type of element to create.\n     *\n     * @param {Object} [props={}]\n     *        List of properties in Object form.\n     *\n     * @param {Object} [attributes={}]\n     *        list of attributes in Object form.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl(type, props, attributes) {\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      // Add the slider element class to all sub classes\n      props.className = props.className + ' vjs-slider';\n      props = assign({\n        tabIndex: 0\n      }, props);\n      attributes = assign({\n        'role': 'slider',\n        'aria-valuenow': 0,\n        'aria-valuemin': 0,\n        'aria-valuemax': 100,\n        'tabIndex': 0\n      }, attributes);\n      return _Component.prototype.createEl.call(this, type, props, attributes);\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `Slider`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     * @fires Slider#slideractive\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.bar.el_.ownerDocument;\n\n      if (event.type === 'mousedown') {\n        event.preventDefault();\n      } // Do not call preventDefault() on touchstart in Chrome\n      // to avoid console warnings. Use a 'touch-action: none' style\n      // instead to prevent unintented scrolling.\n      // https://developers.google.com/web/updates/2017/01/scrolling-intervention\n\n\n      if (event.type === 'touchstart' && !IS_CHROME) {\n        event.preventDefault();\n      }\n\n      blockTextSelection();\n      this.addClass('vjs-sliding');\n      /**\n       * Triggered when the slider is in an active state\n       *\n       * @event Slider#slideractive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('slideractive');\n      this.on(doc, 'mousemove', this.handleMouseMove);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchmove', this.handleMouseMove);\n      this.on(doc, 'touchend', this.handleMouseUp);\n      this.handleMouseMove(event);\n    }\n    /**\n     * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.\n     * The `mousemove` and `touchmove` events will only only trigger this function during\n     * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and\n     * {@link Slider#handleMouseUp}.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered\n     *        this function\n     *\n     * @listens mousemove\n     * @listens touchmove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {}\n    /**\n     * Handle `mouseup` or `touchend` events on the `Slider`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     * @fires Slider#sliderinactive\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp() {\n      var doc = this.bar.el_.ownerDocument;\n      unblockTextSelection();\n      this.removeClass('vjs-sliding');\n      /**\n       * Triggered when the slider is no longer in an active state.\n       *\n       * @event Slider#sliderinactive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('sliderinactive');\n      this.off(doc, 'mousemove', this.handleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchmove', this.handleMouseMove);\n      this.off(doc, 'touchend', this.handleMouseUp);\n      this.update();\n    }\n    /**\n     * Update the progress bar of the `Slider`.\n     *\n     * @return {number}\n     *          The percentage of progress the progress bar represents as a\n     *          number from 0 to 1.\n     */\n    ;\n\n    _proto.update = function update() {\n      var _this2 = this;\n\n      // In VolumeBar init we have a setTimeout for update that pops and update\n      // to the end of the execution stack. The player is destroyed before then\n      // update will cause an error\n      // If there's no bar...\n      if (!this.el_ || !this.bar) {\n        return;\n      } // clamp progress between 0 and 1\n      // and only round to four decimal places, as we round to two below\n\n\n      var progress = this.getProgress();\n\n      if (progress === this.progress_) {\n        return progress;\n      }\n\n      this.progress_ = progress;\n      this.requestAnimationFrame(function () {\n        // Set the new bar width or height\n        var sizeKey = _this2.vertical() ? 'height' : 'width'; // Convert to a percentage for css value\n\n        _this2.bar.el().style[sizeKey] = (progress * 100).toFixed(2) + '%';\n      });\n      return progress;\n    }\n    /**\n     * Get the percentage of the bar that should be filled\n     * but clamped and rounded.\n     *\n     * @return {number}\n     *         percentage filled that the slider is\n     */\n    ;\n\n    _proto.getProgress = function getProgress() {\n      return Number(clamp(this.getPercent(), 0, 1).toFixed(4));\n    }\n    /**\n     * Calculate distance for slider\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run.\n     *\n     * @return {number}\n     *         The current position of the Slider.\n     *         - position.x for vertical `Slider`s\n     *         - position.y for horizontal `Slider`s\n     */\n    ;\n\n    _proto.calculateDistance = function calculateDistance(event) {\n      var position = getPointerPosition(this.el_, event);\n\n      if (this.vertical()) {\n        return position.y;\n      }\n\n      return position.x;\n    }\n    /**\n     * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down\n     * arrow keys. This function will only be called when the slider has focus. See\n     * {@link Slider#handleFocus} and {@link Slider#handleBlur}.\n     *\n     * @param {EventTarget~Event} event\n     *        the `keydown` event that caused this function to run.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Left and Down Arrows\n      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepBack(); // Up and Right Arrows\n      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepForward();\n      } else {\n        // Pass keydown handling up for unsupported keys\n        _Component.prototype.handleKeyDown.call(this, event);\n      }\n    }\n    /**\n     * Listener for click events on slider, used to prevent clicks\n     *   from bubbling up to parent elements like button menus.\n     *\n     * @param {Object} event\n     *        Event that caused this object to run\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      event.stopPropagation();\n      event.preventDefault();\n    }\n    /**\n     * Get/set if slider is horizontal for vertical\n     *\n     * @param {boolean} [bool]\n     *        - true if slider is vertical,\n     *        - false is horizontal\n     *\n     * @return {boolean}\n     *         - true if slider is vertical, and getting\n     *         - false if the slider is horizontal, and getting\n     */\n    ;\n\n    _proto.vertical = function vertical(bool) {\n      if (bool === undefined) {\n        return this.vertical_ || false;\n      }\n\n      this.vertical_ = !!bool;\n\n      if (this.vertical_) {\n        this.addClass('vjs-slider-vertical');\n      } else {\n        this.addClass('vjs-slider-horizontal');\n      }\n    };\n\n    return Slider;\n  }(Component);\n\n  Component.registerComponent('Slider', Slider);\n\n  var percentify = function percentify(time, end) {\n    return clamp(time / end * 100, 0, 100).toFixed(2) + '%';\n  };\n  /**\n   * Shows loading progress\n   *\n   * @extends Component\n   */\n\n\n  var LoadProgressBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LoadProgressBar, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function LoadProgressBar(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.partEls_ = [];\n\n      _this.on(player, 'progress', _this.update);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = LoadProgressBar.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-load-progress'\n      });\n\n      var wrapper = createEl('span', {\n        className: 'vjs-control-text'\n      });\n      var loadedText = createEl('span', {\n        textContent: this.localize('Loaded')\n      });\n      var separator = document.createTextNode(': ');\n      this.percentageEl_ = createEl('span', {\n        className: 'vjs-control-text-loaded-percentage',\n        textContent: '0%'\n      });\n      el.appendChild(wrapper);\n      wrapper.appendChild(loadedText);\n      wrapper.appendChild(separator);\n      wrapper.appendChild(this.percentageEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.partEls_ = null;\n      this.percentageEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Update progress bar\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `progress` event that caused this function to run.\n     *\n     * @listens Player#progress\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var _this2 = this;\n\n      this.requestAnimationFrame(function () {\n        var liveTracker = _this2.player_.liveTracker;\n\n        var buffered = _this2.player_.buffered();\n\n        var duration = liveTracker && liveTracker.isLive() ? liveTracker.seekableEnd() : _this2.player_.duration();\n\n        var bufferedEnd = _this2.player_.bufferedEnd();\n\n        var children = _this2.partEls_;\n        var percent = percentify(bufferedEnd, duration);\n\n        if (_this2.percent_ !== percent) {\n          // update the width of the progress bar\n          _this2.el_.style.width = percent; // update the control-text\n\n          textContent(_this2.percentageEl_, percent);\n          _this2.percent_ = percent;\n        } // add child elements to represent the individual buffered time ranges\n\n\n        for (var i = 0; i < buffered.length; i++) {\n          var start = buffered.start(i);\n          var end = buffered.end(i);\n          var part = children[i];\n\n          if (!part) {\n            part = _this2.el_.appendChild(createEl());\n            children[i] = part;\n          } //  only update if changed\n\n\n          if (part.dataset.start === start && part.dataset.end === end) {\n            continue;\n          }\n\n          part.dataset.start = start;\n          part.dataset.end = end; // set the percent based on the width of the progress bar (bufferedEnd)\n\n          part.style.left = percentify(start, bufferedEnd);\n          part.style.width = percentify(end - start, bufferedEnd);\n        } // remove unused buffered range elements\n\n\n        for (var _i = children.length; _i > buffered.length; _i--) {\n          _this2.el_.removeChild(children[_i - 1]);\n        }\n\n        children.length = buffered.length;\n      });\n    };\n\n    return LoadProgressBar;\n  }(Component);\n\n  Component.registerComponent('LoadProgressBar', LoadProgressBar);\n\n  /**\n   * Time tooltips display a time above the progress bar.\n   *\n   * @extends Component\n   */\n\n  var TimeTooltip = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeTooltip, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TimeTooltip(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the time tooltip DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = TimeTooltip.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-time-tooltip'\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Updates the position of the time tooltip relative to the `SeekBar`.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint, content) {\n      var tooltipRect = getBoundingClientRect(this.el_);\n      var playerRect = getBoundingClientRect(this.player_.el());\n      var seekBarPointPx = seekBarRect.width * seekBarPoint; // do nothing if either rect isn't available\n      // for example, if the player isn't in the DOM for testing\n\n      if (!playerRect || !tooltipRect) {\n        return;\n      } // This is the space left of the `seekBarPoint` available within the bounds\n      // of the player. We calculate any gap between the left edge of the player\n      // and the left edge of the `SeekBar` and add the number of pixels in the\n      // `SeekBar` before hitting the `seekBarPoint`\n\n\n      var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx; // This is the space right of the `seekBarPoint` available within the bounds\n      // of the player. We calculate the number of pixels from the `seekBarPoint`\n      // to the right edge of the `SeekBar` and add to that any gap between the\n      // right edge of the `SeekBar` and the player.\n\n      var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right); // This is the number of pixels by which the tooltip will need to be pulled\n      // further to the right to center it over the `seekBarPoint`.\n\n      var pullTooltipBy = tooltipRect.width / 2; // Adjust the `pullTooltipBy` distance to the left or right depending on\n      // the results of the space calculations above.\n\n      if (spaceLeftOfPoint < pullTooltipBy) {\n        pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;\n      } else if (spaceRightOfPoint < pullTooltipBy) {\n        pullTooltipBy = spaceRightOfPoint;\n      } // Due to the imprecision of decimal/ratio based calculations and varying\n      // rounding behaviors, there are cases where the spacing adjustment is off\n      // by a pixel or two. This adds insurance to these calculations.\n\n\n      if (pullTooltipBy < 0) {\n        pullTooltipBy = 0;\n      } else if (pullTooltipBy > tooltipRect.width) {\n        pullTooltipBy = tooltipRect.width;\n      }\n\n      this.el_.style.right = \"-\" + pullTooltipBy + \"px\";\n      this.write(content);\n    }\n    /**\n     * Write the time to the tooltip DOM element.\n     *\n     * @param {string} content\n     *        The formatted time for the tooltip.\n     */\n    ;\n\n    _proto.write = function write(content) {\n      textContent(this.el_, content);\n    }\n    /**\n     * Updates the position of the time tooltip relative to the `SeekBar`.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     *\n     * @param {number} time\n     *        The time to update the tooltip to, not used during live playback\n     *\n     * @param {Function} cb\n     *        A function that will be called during the request animation frame\n     *        for tooltips that need to do additional animations from the default\n     */\n    ;\n\n    _proto.updateTime = function updateTime(seekBarRect, seekBarPoint, time, cb) {\n      var _this2 = this;\n\n      // If there is an existing rAF ID, cancel it so we don't over-queue.\n      if (this.rafId_) {\n        this.cancelAnimationFrame(this.rafId_);\n      }\n\n      this.rafId_ = this.requestAnimationFrame(function () {\n        var content;\n\n        var duration = _this2.player_.duration();\n\n        if (_this2.player_.liveTracker && _this2.player_.liveTracker.isLive()) {\n          var liveWindow = _this2.player_.liveTracker.liveWindow();\n\n          var secondsBehind = liveWindow - seekBarPoint * liveWindow;\n          content = (secondsBehind < 1 ? '' : '-') + formatTime(secondsBehind, liveWindow);\n        } else {\n          content = formatTime(time, duration);\n        }\n\n        _this2.update(seekBarRect, seekBarPoint, content);\n\n        if (cb) {\n          cb();\n        }\n      });\n    };\n\n    return TimeTooltip;\n  }(Component);\n\n  Component.registerComponent('TimeTooltip', TimeTooltip);\n\n  /**\n   * Used by {@link SeekBar} to display media playback progress as part of the\n   * {@link ProgressControl}.\n   *\n   * @extends Component\n   */\n\n  var PlayProgressBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(PlayProgressBar, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlayProgressBar(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the the DOM element for this class.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = PlayProgressBar.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-play-progress vjs-slider-bar'\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Enqueues updates to its own DOM as well as the DOM of its\n     * {@link TimeTooltip} child.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint) {\n      var timeTooltip = this.getChild('timeTooltip');\n\n      if (!timeTooltip) {\n        return;\n      }\n\n      var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n      timeTooltip.updateTime(seekBarRect, seekBarPoint, time);\n    };\n\n    return PlayProgressBar;\n  }(Component);\n  /**\n   * Default options for {@link PlayProgressBar}.\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  PlayProgressBar.prototype.options_ = {\n    children: []\n  }; // Time tooltips should not be added to a player on mobile devices\n\n  if (!IS_IOS && !IS_ANDROID) {\n    PlayProgressBar.prototype.options_.children.push('timeTooltip');\n  }\n\n  Component.registerComponent('PlayProgressBar', PlayProgressBar);\n\n  /**\n   * The {@link MouseTimeDisplay} component tracks mouse movement over the\n   * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}\n   * indicating the time which is represented by a given point in the\n   * {@link ProgressControl}.\n   *\n   * @extends Component\n   */\n\n  var MouseTimeDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MouseTimeDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function MouseTimeDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the DOM element for this class.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = MouseTimeDisplay.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-mouse-display'\n      });\n    }\n    /**\n     * Enqueues updates to its own DOM as well as the DOM of its\n     * {@link TimeTooltip} child.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint) {\n      var _this2 = this;\n\n      var time = seekBarPoint * this.player_.duration();\n      this.getChild('timeTooltip').updateTime(seekBarRect, seekBarPoint, time, function () {\n        _this2.el_.style.left = seekBarRect.width * seekBarPoint + \"px\";\n      });\n    };\n\n    return MouseTimeDisplay;\n  }(Component);\n  /**\n   * Default options for `MouseTimeDisplay`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  MouseTimeDisplay.prototype.options_ = {\n    children: ['timeTooltip']\n  };\n  Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);\n\n  var STEP_SECONDS = 5; // The multiplier of STEP_SECONDS that PgUp/PgDown move the timeline.\n\n  var PAGE_KEY_MULTIPLIER = 12;\n  /**\n   * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}\n   * as its `bar`.\n   *\n   * @extends Slider\n   */\n\n  var SeekBar = /*#__PURE__*/function (_Slider) {\n    inheritsLoose(SeekBar, _Slider);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function SeekBar(player, options) {\n      var _this;\n\n      _this = _Slider.call(this, player, options) || this;\n\n      _this.setEventHandlers_();\n\n      return _this;\n    }\n    /**\n     * Sets the event handlers\n     *\n     * @private\n     */\n\n\n    var _proto = SeekBar.prototype;\n\n    _proto.setEventHandlers_ = function setEventHandlers_() {\n      this.update_ = bind(this, this.update);\n      this.update = throttle(this.update_, UPDATE_REFRESH_INTERVAL);\n      this.on(this.player_, ['ended', 'durationchange', 'timeupdate'], this.update);\n\n      if (this.player_.liveTracker) {\n        this.on(this.player_.liveTracker, 'liveedgechange', this.update);\n      } // when playing, let's ensure we smoothly update the play progress bar\n      // via an interval\n\n\n      this.updateInterval = null;\n      this.on(this.player_, ['playing'], this.enableInterval_);\n      this.on(this.player_, ['ended', 'pause', 'waiting'], this.disableInterval_); // we don't need to update the play progress if the document is hidden,\n      // also, this causes the CPU to spike and eventually crash the page on IE11.\n\n      if ('hidden' in document && 'visibilityState' in document) {\n        this.on(document, 'visibilitychange', this.toggleVisibility_);\n      }\n    };\n\n    _proto.toggleVisibility_ = function toggleVisibility_(e) {\n      if (document.hidden) {\n        this.disableInterval_(e);\n      } else {\n        this.enableInterval_(); // we just switched back to the page and someone may be looking, so, update ASAP\n\n        this.update();\n      }\n    };\n\n    _proto.enableInterval_ = function enableInterval_() {\n      if (this.updateInterval) {\n        return;\n      }\n\n      this.updateInterval = this.setInterval(this.update, UPDATE_REFRESH_INTERVAL);\n    };\n\n    _proto.disableInterval_ = function disableInterval_(e) {\n      if (this.player_.liveTracker && this.player_.liveTracker.isLive() && e.type !== 'ended') {\n        return;\n      }\n\n      if (!this.updateInterval) {\n        return;\n      }\n\n      this.clearInterval(this.updateInterval);\n      this.updateInterval = null;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Slider.prototype.createEl.call(this, 'div', {\n        className: 'vjs-progress-holder'\n      }, {\n        'aria-label': this.localize('Progress Bar')\n      });\n    }\n    /**\n     * This function updates the play progress bar and accessibility\n     * attributes to whatever is passed in.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` or `ended` event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     *\n     * @return {number}\n     *          The current percent at a number from 0-1\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var _this2 = this;\n\n      var percent = _Slider.prototype.update.call(this);\n\n      this.requestAnimationFrame(function () {\n        var currentTime = _this2.player_.ended() ? _this2.player_.duration() : _this2.getCurrentTime_();\n        var liveTracker = _this2.player_.liveTracker;\n\n        var duration = _this2.player_.duration();\n\n        if (liveTracker && liveTracker.isLive()) {\n          duration = _this2.player_.liveTracker.liveCurrentTime();\n        }\n\n        if (_this2.percent_ !== percent) {\n          // machine readable value of progress bar (percentage complete)\n          _this2.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));\n\n          _this2.percent_ = percent;\n        }\n\n        if (_this2.currentTime_ !== currentTime || _this2.duration_ !== duration) {\n          // human readable value of progress bar (time complete)\n          _this2.el_.setAttribute('aria-valuetext', _this2.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));\n\n          _this2.currentTime_ = currentTime;\n          _this2.duration_ = duration;\n        } // update the progress bar time tooltip with the current time\n\n\n        if (_this2.bar) {\n          _this2.bar.update(getBoundingClientRect(_this2.el()), _this2.getProgress());\n        }\n      });\n      return percent;\n    }\n    /**\n     * Get the value of current time but allows for smooth scrubbing,\n     * when player can't keep up.\n     *\n     * @return {number}\n     *         The current time value to display\n     *\n     * @private\n     */\n    ;\n\n    _proto.getCurrentTime_ = function getCurrentTime_() {\n      return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n    }\n    /**\n     * Get the percentage of media played so far.\n     *\n     * @return {number}\n     *         The percentage of media played so far (0 to 1).\n     */\n    ;\n\n    _proto.getPercent = function getPercent() {\n      var currentTime = this.getCurrentTime_();\n      var percent;\n      var liveTracker = this.player_.liveTracker;\n\n      if (liveTracker && liveTracker.isLive()) {\n        percent = (currentTime - liveTracker.seekableStart()) / liveTracker.liveWindow(); // prevent the percent from changing at the live edge\n\n        if (liveTracker.atLiveEdge()) {\n          percent = 1;\n        }\n      } else {\n        percent = currentTime / this.player_.duration();\n      }\n\n      return percent;\n    }\n    /**\n     * Handle mouse down on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousedown` event that caused this to run.\n     *\n     * @listens mousedown\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      } // Stop event propagation to prevent double fire in progress-control.js\n\n\n      event.stopPropagation();\n      this.player_.scrubbing(true);\n      this.videoWasPlaying = !this.player_.paused();\n      this.player_.pause();\n\n      _Slider.prototype.handleMouseDown.call(this, event);\n    }\n    /**\n     * Handle mouse move on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this to run.\n     *\n     * @listens mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      var newTime;\n      var distance = this.calculateDistance(event);\n      var liveTracker = this.player_.liveTracker;\n\n      if (!liveTracker || !liveTracker.isLive()) {\n        newTime = distance * this.player_.duration(); // Don't let video end while scrubbing.\n\n        if (newTime === this.player_.duration()) {\n          newTime = newTime - 0.1;\n        }\n      } else {\n        var seekableStart = liveTracker.seekableStart();\n        var seekableEnd = liveTracker.liveCurrentTime();\n        newTime = seekableStart + distance * liveTracker.liveWindow(); // Don't let video end while scrubbing.\n\n        if (newTime >= seekableEnd) {\n          newTime = seekableEnd;\n        } // Compensate for precision differences so that currentTime is not less\n        // than seekable start\n\n\n        if (newTime <= seekableStart) {\n          newTime = seekableStart + 0.1;\n        } // On android seekableEnd can be Infinity sometimes,\n        // this will cause newTime to be Infinity, which is\n        // not a valid currentTime.\n\n\n        if (newTime === Infinity) {\n          return;\n        }\n      } // Set new time (tell player to seek to new time)\n\n\n      this.player_.currentTime(newTime);\n    };\n\n    _proto.enable = function enable() {\n      _Slider.prototype.enable.call(this);\n\n      var mouseTimeDisplay = this.getChild('mouseTimeDisplay');\n\n      if (!mouseTimeDisplay) {\n        return;\n      }\n\n      mouseTimeDisplay.show();\n    };\n\n    _proto.disable = function disable() {\n      _Slider.prototype.disable.call(this);\n\n      var mouseTimeDisplay = this.getChild('mouseTimeDisplay');\n\n      if (!mouseTimeDisplay) {\n        return;\n      }\n\n      mouseTimeDisplay.hide();\n    }\n    /**\n     * Handle mouse up on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseup` event that caused this to run.\n     *\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      _Slider.prototype.handleMouseUp.call(this, event); // Stop event propagation to prevent double fire in progress-control.js\n\n\n      if (event) {\n        event.stopPropagation();\n      }\n\n      this.player_.scrubbing(false);\n      /**\n       * Trigger timeupdate because we're done seeking and the time has changed.\n       * This is particularly useful for if the player is paused to time the time displays.\n       *\n       * @event Tech#timeupdate\n       * @type {EventTarget~Event}\n       */\n\n      this.player_.trigger({\n        type: 'timeupdate',\n        target: this,\n        manuallyTriggered: true\n      });\n\n      if (this.videoWasPlaying) {\n        silencePromise(this.player_.play());\n      } else {\n        // We're done seeking and the time has changed.\n        // If the player is paused, make sure we display the correct time on the seek bar.\n        this.update_();\n      }\n    }\n    /**\n     * Move more quickly fast forward for keyboard-only users\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);\n    }\n    /**\n     * Move more quickly rewind for keyboard-only users\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);\n    }\n    /**\n     * Toggles the playback state of the player\n     * This gets called when enter or space is used on the seekbar\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called\n     *\n     */\n    ;\n\n    _proto.handleAction = function handleAction(event) {\n      if (this.player_.paused()) {\n        this.player_.play();\n      } else {\n        this.player_.pause();\n      }\n    }\n    /**\n     * Called when this SeekBar has focus and a key gets pressed down.\n     * Supports the following keys:\n     *\n     *   Space or Enter key fire a click event\n     *   Home key moves to start of the timeline\n     *   End key moves to end of the timeline\n     *   Digit \"0\" through \"9\" keys move to 0%, 10% ... 80%, 90% of the timeline\n     *   PageDown key moves back a larger step than ArrowDown\n     *   PageUp key moves forward a large step\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.handleAction(event);\n      } else if (keycode.isEventKey(event, 'Home')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(0);\n      } else if (keycode.isEventKey(event, 'End')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.duration());\n      } else if (/^[0-9]$/.test(keycode(event))) {\n        event.preventDefault();\n        event.stopPropagation();\n        var gotoFraction = (keycode.codes[keycode(event)] - keycode.codes['0']) * 10.0 / 100.0;\n        this.player_.currentTime(this.player_.duration() * gotoFraction);\n      } else if (keycode.isEventKey(event, 'PgDn')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS * PAGE_KEY_MULTIPLIER);\n      } else if (keycode.isEventKey(event, 'PgUp')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS * PAGE_KEY_MULTIPLIER);\n      } else {\n        // Pass keydown handling up for unsupported keys\n        _Slider.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return SeekBar;\n  }(Slider);\n  /**\n   * Default options for the `SeekBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  SeekBar.prototype.options_ = {\n    children: ['loadProgressBar', 'playProgressBar'],\n    barName: 'playProgressBar'\n  }; // MouseTimeDisplay tooltips should not be added to a player on mobile devices\n\n  if (!IS_IOS && !IS_ANDROID) {\n    SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');\n  }\n\n  Component.registerComponent('SeekBar', SeekBar);\n\n  /**\n   * The Progress Control component contains the seek bar, load progress,\n   * and play progress.\n   *\n   * @extends Component\n   */\n\n  var ProgressControl = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ProgressControl, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function ProgressControl(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.handleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);\n      _this.throttledHandleMouseSeek = throttle(bind(assertThisInitialized(_this), _this.handleMouseSeek), UPDATE_REFRESH_INTERVAL);\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = ProgressControl.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-progress-control vjs-control'\n      });\n    }\n    /**\n     * When the mouse moves over the `ProgressControl`, the pointer position\n     * gets passed down to the `MouseTimeDisplay` component.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this function to run.\n     *\n     * @listen mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      var seekBar = this.getChild('seekBar');\n\n      if (!seekBar) {\n        return;\n      }\n\n      var playProgressBar = seekBar.getChild('playProgressBar');\n      var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');\n\n      if (!playProgressBar && !mouseTimeDisplay) {\n        return;\n      }\n\n      var seekBarEl = seekBar.el();\n      var seekBarRect = getBoundingClientRect(seekBarEl);\n      var seekBarPoint = getPointerPosition(seekBarEl, event).x; // The default skin has a gap on either side of the `SeekBar`. This means\n      // that it's possible to trigger this behavior outside the boundaries of\n      // the `SeekBar`. This ensures we stay within it at all times.\n\n      seekBarPoint = clamp(0, 1, seekBarPoint);\n\n      if (mouseTimeDisplay) {\n        mouseTimeDisplay.update(seekBarRect, seekBarPoint);\n      }\n\n      if (playProgressBar) {\n        playProgressBar.update(seekBarRect, seekBar.getProgress());\n      }\n    }\n    /**\n     * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.\n     *\n     * @method ProgressControl#throttledHandleMouseSeek\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this function to run.\n     *\n     * @listen mousemove\n     * @listen touchmove\n     */\n\n    /**\n     * Handle `mousemove` or `touchmove` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousemove\n     * @listens touchmove\n     */\n    ;\n\n    _proto.handleMouseSeek = function handleMouseSeek(event) {\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseMove(event);\n      }\n    }\n    /**\n     * Are controls are currently enabled for this progress control.\n     *\n     * @return {boolean}\n     *         true if controls are enabled, false otherwise\n     */\n    ;\n\n    _proto.enabled = function enabled() {\n      return this.enabled_;\n    }\n    /**\n     * Disable all controls on the progress control and its children\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.children().forEach(function (child) {\n        return child.disable && child.disable();\n      });\n\n      if (!this.enabled()) {\n        return;\n      }\n\n      this.off(['mousedown', 'touchstart'], this.handleMouseDown);\n      this.off(this.el_, 'mousemove', this.handleMouseMove);\n      this.handleMouseUp();\n      this.addClass('disabled');\n      this.enabled_ = false;\n    }\n    /**\n     * Enable all controls on the progress control and its children\n     */\n    ;\n\n    _proto.enable = function enable() {\n      this.children().forEach(function (child) {\n        return child.enable && child.enable();\n      });\n\n      if (this.enabled()) {\n        return;\n      }\n\n      this.on(['mousedown', 'touchstart'], this.handleMouseDown);\n      this.on(this.el_, 'mousemove', this.handleMouseMove);\n      this.removeClass('disabled');\n      this.enabled_ = true;\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.el_.ownerDocument;\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseDown(event);\n      }\n\n      this.on(doc, 'mousemove', this.throttledHandleMouseSeek);\n      this.on(doc, 'touchmove', this.throttledHandleMouseSeek);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mouseup` or `touchend` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      var doc = this.el_.ownerDocument;\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseUp(event);\n      }\n\n      this.off(doc, 'mousemove', this.throttledHandleMouseSeek);\n      this.off(doc, 'touchmove', this.throttledHandleMouseSeek);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchend', this.handleMouseUp);\n    };\n\n    return ProgressControl;\n  }(Component);\n  /**\n   * Default options for `ProgressControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ProgressControl.prototype.options_ = {\n    children: ['seekBar']\n  };\n  Component.registerComponent('ProgressControl', ProgressControl);\n\n  /**\n   * Toggle Picture-in-Picture mode\n   *\n   * @extends Button\n   */\n\n  var PictureInPictureToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(PictureInPictureToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @listens Player#enterpictureinpicture\n     * @listens Player#leavepictureinpicture\n     */\n    function PictureInPictureToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.on(player, ['enterpictureinpicture', 'leavepictureinpicture'], _this.handlePictureInPictureChange); // TODO: Activate button on player loadedmetadata event.\n      // TODO: Deactivate button on player emptied event.\n      // TODO: Deactivate button if disablepictureinpicture attribute is present.\n\n\n      if (!document.pictureInPictureEnabled) {\n        _this.disable();\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = PictureInPictureToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-picture-in-picture-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Handles enterpictureinpicture and leavepictureinpicture on the player and change control text accordingly.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#enterpictureinpicture} or {@link Player#leavepictureinpicture} event that caused this function to be\n     *        called.\n     *\n     * @listens Player#enterpictureinpicture\n     * @listens Player#leavepictureinpicture\n     */\n    ;\n\n    _proto.handlePictureInPictureChange = function handlePictureInPictureChange(event) {\n      if (this.player_.isInPictureInPicture()) {\n        this.controlText('Exit Picture-in-Picture');\n      } else {\n        this.controlText('Picture-in-Picture');\n      }\n    }\n    /**\n     * This gets called when an `PictureInPictureToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (!this.player_.isInPictureInPicture()) {\n        this.player_.requestPictureInPicture();\n      } else {\n        this.player_.exitPictureInPicture();\n      }\n    };\n\n    return PictureInPictureToggle;\n  }(Button);\n  /**\n   * The text that should display over the `PictureInPictureToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PictureInPictureToggle.prototype.controlText_ = 'Picture-in-Picture';\n  Component.registerComponent('PictureInPictureToggle', PictureInPictureToggle);\n\n  /**\n   * Toggle fullscreen video\n   *\n   * @extends Button\n   */\n\n  var FullscreenToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(FullscreenToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function FullscreenToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);\n\n      if (document[player.fsApi_.fullscreenEnabled] === false) {\n        _this.disable();\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = FullscreenToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-fullscreen-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Handles fullscreenchange on the player and change control text accordingly.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#fullscreenchange} event that caused this function to be\n     *        called.\n     *\n     * @listens Player#fullscreenchange\n     */\n    ;\n\n    _proto.handleFullscreenChange = function handleFullscreenChange(event) {\n      if (this.player_.isFullscreen()) {\n        this.controlText('Non-Fullscreen');\n      } else {\n        this.controlText('Fullscreen');\n      }\n    }\n    /**\n     * This gets called when an `FullscreenToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (!this.player_.isFullscreen()) {\n        this.player_.requestFullscreen();\n      } else {\n        this.player_.exitFullscreen();\n      }\n    };\n\n    return FullscreenToggle;\n  }(Button);\n  /**\n   * The text that should display over the `FullscreenToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  FullscreenToggle.prototype.controlText_ = 'Fullscreen';\n  Component.registerComponent('FullscreenToggle', FullscreenToggle);\n\n  /**\n   * Check if volume control is supported and if it isn't hide the\n   * `Component` that was passed  using the `vjs-hidden` class.\n   *\n   * @param {Component} self\n   *        The component that should be hidden if volume is unsupported\n   *\n   * @param {Player} player\n   *        A reference to the player\n   *\n   * @private\n   */\n  var checkVolumeSupport = function checkVolumeSupport(self, player) {\n    // hide volume controls when they're not supported by the current tech\n    if (player.tech_ && !player.tech_.featuresVolumeControl) {\n      self.addClass('vjs-hidden');\n    }\n\n    self.on(player, 'loadstart', function () {\n      if (!player.tech_.featuresVolumeControl) {\n        self.addClass('vjs-hidden');\n      } else {\n        self.removeClass('vjs-hidden');\n      }\n    });\n  };\n\n  /**\n   * Shows volume level\n   *\n   * @extends Component\n   */\n\n  var VolumeLevel = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumeLevel, _Component);\n\n    function VolumeLevel() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = VolumeLevel.prototype;\n\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-volume-level',\n        innerHTML: '<span class=\"vjs-control-text\"></span>'\n      });\n    };\n\n    return VolumeLevel;\n  }(Component);\n\n  Component.registerComponent('VolumeLevel', VolumeLevel);\n\n  /**\n   * The bar that contains the volume level and can be clicked on to adjust the level\n   *\n   * @extends Slider\n   */\n\n  var VolumeBar = /*#__PURE__*/function (_Slider) {\n    inheritsLoose(VolumeBar, _Slider);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function VolumeBar(player, options) {\n      var _this;\n\n      _this = _Slider.call(this, player, options) || this;\n\n      _this.on('slideractive', _this.updateLastVolume_);\n\n      _this.on(player, 'volumechange', _this.updateARIAAttributes);\n\n      player.ready(function () {\n        return _this.updateARIAAttributes();\n      });\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = VolumeBar.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Slider.prototype.createEl.call(this, 'div', {\n        className: 'vjs-volume-bar vjs-slider-bar'\n      }, {\n        'aria-label': this.localize('Volume Level'),\n        'aria-live': 'polite'\n      });\n    }\n    /**\n     * Handle mouse down on volume bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousedown` event that caused this to run.\n     *\n     * @listens mousedown\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      _Slider.prototype.handleMouseDown.call(this, event);\n    }\n    /**\n     * Handle movement events on the {@link VolumeMenuButton}.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run.\n     *\n     * @listens mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      this.checkMuted();\n      this.player_.volume(this.calculateDistance(event));\n    }\n    /**\n     * If the player is muted unmute it.\n     */\n    ;\n\n    _proto.checkMuted = function checkMuted() {\n      if (this.player_.muted()) {\n        this.player_.muted(false);\n      }\n    }\n    /**\n     * Get percent of volume level\n     *\n     * @return {number}\n     *         Volume level percent as a decimal number.\n     */\n    ;\n\n    _proto.getPercent = function getPercent() {\n      if (this.player_.muted()) {\n        return 0;\n      }\n\n      return this.player_.volume();\n    }\n    /**\n     * Increase volume level for keyboard users\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      this.checkMuted();\n      this.player_.volume(this.player_.volume() + 0.1);\n    }\n    /**\n     * Decrease volume level for keyboard users\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      this.checkMuted();\n      this.player_.volume(this.player_.volume() - 0.1);\n    }\n    /**\n     * Update ARIA accessibility attributes\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `volumechange` event that caused this function to run.\n     *\n     * @listens Player#volumechange\n     */\n    ;\n\n    _proto.updateARIAAttributes = function updateARIAAttributes(event) {\n      var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();\n      this.el_.setAttribute('aria-valuenow', ariaValue);\n      this.el_.setAttribute('aria-valuetext', ariaValue + '%');\n    }\n    /**\n     * Returns the current value of the player volume as a percentage\n     *\n     * @private\n     */\n    ;\n\n    _proto.volumeAsPercentage_ = function volumeAsPercentage_() {\n      return Math.round(this.player_.volume() * 100);\n    }\n    /**\n     * When user starts dragging the VolumeBar, store the volume and listen for\n     * the end of the drag. When the drag ends, if the volume was set to zero,\n     * set lastVolume to the stored volume.\n     *\n     * @listens slideractive\n     * @private\n     */\n    ;\n\n    _proto.updateLastVolume_ = function updateLastVolume_() {\n      var _this2 = this;\n\n      var volumeBeforeDrag = this.player_.volume();\n      this.one('sliderinactive', function () {\n        if (_this2.player_.volume() === 0) {\n          _this2.player_.lastVolume_(volumeBeforeDrag);\n        }\n      });\n    };\n\n    return VolumeBar;\n  }(Slider);\n  /**\n   * Default options for the `VolumeBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumeBar.prototype.options_ = {\n    children: ['volumeLevel'],\n    barName: 'volumeLevel'\n  };\n  /**\n   * Call the update event for this Slider when this event happens on the player.\n   *\n   * @type {string}\n   */\n\n  VolumeBar.prototype.playerEvent = 'volumechange';\n  Component.registerComponent('VolumeBar', VolumeBar);\n\n  /**\n   * The component for controlling the volume level\n   *\n   * @extends Component\n   */\n\n  var VolumeControl = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumeControl, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function VolumeControl(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.vertical = options.vertical || false; // Pass the vertical option down to the VolumeBar if\n      // the VolumeBar is turned on.\n\n      if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {\n        options.volumeBar = options.volumeBar || {};\n        options.volumeBar.vertical = options.vertical;\n      }\n\n      _this = _Component.call(this, player, options) || this; // hide this control if volume support is missing\n\n      checkVolumeSupport(assertThisInitialized(_this), player);\n      _this.throttledHandleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);\n\n      _this.on('mousedown', _this.handleMouseDown);\n\n      _this.on('touchstart', _this.handleMouseDown); // while the slider is active (the mouse has been pressed down and\n      // is dragging) or in focus we do not want to hide the VolumeBar\n\n\n      _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {\n        _this.volumeBar.addClass('vjs-slider-active');\n\n        _this.addClass('vjs-slider-active');\n\n        _this.trigger('slideractive');\n      });\n\n      _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {\n        _this.volumeBar.removeClass('vjs-slider-active');\n\n        _this.removeClass('vjs-slider-active');\n\n        _this.trigger('sliderinactive');\n      });\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = VolumeControl.prototype;\n\n    _proto.createEl = function createEl() {\n      var orientationClass = 'vjs-volume-horizontal';\n\n      if (this.options_.vertical) {\n        orientationClass = 'vjs-volume-vertical';\n      }\n\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: \"vjs-volume-control vjs-control \" + orientationClass\n      });\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.el_.ownerDocument;\n      this.on(doc, 'mousemove', this.throttledHandleMouseMove);\n      this.on(doc, 'touchmove', this.throttledHandleMouseMove);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mouseup` or `touchend` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      var doc = this.el_.ownerDocument;\n      this.off(doc, 'mousemove', this.throttledHandleMouseMove);\n      this.off(doc, 'touchmove', this.throttledHandleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      this.volumeBar.handleMouseMove(event);\n    };\n\n    return VolumeControl;\n  }(Component);\n  /**\n   * Default options for the `VolumeControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumeControl.prototype.options_ = {\n    children: ['volumeBar']\n  };\n  Component.registerComponent('VolumeControl', VolumeControl);\n\n  /**\n   * Check if muting volume is supported and if it isn't hide the mute toggle\n   * button.\n   *\n   * @param {Component} self\n   *        A reference to the mute toggle button\n   *\n   * @param {Player} player\n   *        A reference to the player\n   *\n   * @private\n   */\n  var checkMuteSupport = function checkMuteSupport(self, player) {\n    // hide mute toggle button if it's not supported by the current tech\n    if (player.tech_ && !player.tech_.featuresMuteControl) {\n      self.addClass('vjs-hidden');\n    }\n\n    self.on(player, 'loadstart', function () {\n      if (!player.tech_.featuresMuteControl) {\n        self.addClass('vjs-hidden');\n      } else {\n        self.removeClass('vjs-hidden');\n      }\n    });\n  };\n\n  /**\n   * A button component for muting the audio.\n   *\n   * @extends Button\n   */\n\n  var MuteToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(MuteToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function MuteToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this; // hide this control if volume support is missing\n\n      checkMuteSupport(assertThisInitialized(_this), player);\n\n      _this.on(player, ['loadstart', 'volumechange'], _this.update);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = MuteToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-mute-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when an `MuteToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var vol = this.player_.volume();\n      var lastVolume = this.player_.lastVolume_();\n\n      if (vol === 0) {\n        var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;\n        this.player_.volume(volumeToSet);\n        this.player_.muted(false);\n      } else {\n        this.player_.muted(this.player_.muted() ? false : true);\n      }\n    }\n    /**\n     * Update the `MuteToggle` button based on the state of `volume` and `muted`\n     * on the player.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#loadstart} event if this function was called\n     *        through an event.\n     *\n     * @listens Player#loadstart\n     * @listens Player#volumechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      this.updateIcon_();\n      this.updateControlText_();\n    }\n    /**\n     * Update the appearance of the `MuteToggle` icon.\n     *\n     * Possible states (given `level` variable below):\n     * - 0: crossed out\n     * - 1: zero bars of volume\n     * - 2: one bar of volume\n     * - 3: two bars of volume\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateIcon_ = function updateIcon_() {\n      var vol = this.player_.volume();\n      var level = 3; // in iOS when a player is loaded with muted attribute\n      // and volume is changed with a native mute button\n      // we want to make sure muted state is updated\n\n      if (IS_IOS && this.player_.tech_ && this.player_.tech_.el_) {\n        this.player_.muted(this.player_.tech_.el_.muted);\n      }\n\n      if (vol === 0 || this.player_.muted()) {\n        level = 0;\n      } else if (vol < 0.33) {\n        level = 1;\n      } else if (vol < 0.67) {\n        level = 2;\n      } // TODO improve muted icon classes\n\n\n      for (var i = 0; i < 4; i++) {\n        removeClass(this.el_, \"vjs-vol-\" + i);\n      }\n\n      addClass(this.el_, \"vjs-vol-\" + level);\n    }\n    /**\n     * If `muted` has changed on the player, update the control text\n     * (`title` attribute on `vjs-mute-control` element and content of\n     * `vjs-control-text` element).\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateControlText_ = function updateControlText_() {\n      var soundOff = this.player_.muted() || this.player_.volume() === 0;\n      var text = soundOff ? 'Unmute' : 'Mute';\n\n      if (this.controlText() !== text) {\n        this.controlText(text);\n      }\n    };\n\n    return MuteToggle;\n  }(Button);\n  /**\n   * The text that should display over the `MuteToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  MuteToggle.prototype.controlText_ = 'Mute';\n  Component.registerComponent('MuteToggle', MuteToggle);\n\n  /**\n   * A Component to contain the MuteToggle and VolumeControl so that\n   * they can work together.\n   *\n   * @extends Component\n   */\n\n  var VolumePanel = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumePanel, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function VolumePanel(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (typeof options.inline !== 'undefined') {\n        options.inline = options.inline;\n      } else {\n        options.inline = true;\n      } // pass the inline option down to the VolumeControl as vertical if\n      // the VolumeControl is on.\n\n\n      if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {\n        options.volumeControl = options.volumeControl || {};\n        options.volumeControl.vertical = !options.inline;\n      }\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.on(player, ['loadstart'], _this.volumePanelState_);\n\n      _this.on(_this.muteToggle, 'keyup', _this.handleKeyPress);\n\n      _this.on(_this.volumeControl, 'keyup', _this.handleVolumeControlKeyUp);\n\n      _this.on('keydown', _this.handleKeyPress);\n\n      _this.on('mouseover', _this.handleMouseOver);\n\n      _this.on('mouseout', _this.handleMouseOut); // while the slider is active (the mouse has been pressed down and\n      // is dragging) we do not want to hide the VolumeBar\n\n\n      _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);\n\n      _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);\n\n      return _this;\n    }\n    /**\n     * Add vjs-slider-active class to the VolumePanel\n     *\n     * @listens VolumeControl#slideractive\n     * @private\n     */\n\n\n    var _proto = VolumePanel.prototype;\n\n    _proto.sliderActive_ = function sliderActive_() {\n      this.addClass('vjs-slider-active');\n    }\n    /**\n     * Removes vjs-slider-active class to the VolumePanel\n     *\n     * @listens VolumeControl#sliderinactive\n     * @private\n     */\n    ;\n\n    _proto.sliderInactive_ = function sliderInactive_() {\n      this.removeClass('vjs-slider-active');\n    }\n    /**\n     * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel\n     * depending on MuteToggle and VolumeControl state\n     *\n     * @listens Player#loadstart\n     * @private\n     */\n    ;\n\n    _proto.volumePanelState_ = function volumePanelState_() {\n      // hide volume panel if neither volume control or mute toggle\n      // are displayed\n      if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) {\n        this.addClass('vjs-hidden');\n      } // if only mute toggle is visible we don't want\n      // volume panel expanding when hovered or active\n\n\n      if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) {\n        this.addClass('vjs-mute-toggle-only');\n      }\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var orientationClass = 'vjs-volume-panel-horizontal';\n\n      if (!this.options_.inline) {\n        orientationClass = 'vjs-volume-panel-vertical';\n      }\n\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: \"vjs-volume-panel vjs-control \" + orientationClass\n      });\n    }\n    /**\n     * Dispose of the `volume-panel` and all child components.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.handleMouseOut();\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Handles `keyup` events on the `VolumeControl`, looking for ESC, which closes\n     * the volume panel and sets focus on `MuteToggle`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keyup` event that caused this function to be called.\n     *\n     * @listens keyup\n     */\n    ;\n\n    _proto.handleVolumeControlKeyUp = function handleVolumeControlKeyUp(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        this.muteToggle.focus();\n      }\n    }\n    /**\n     * This gets called when a `VolumePanel` gains hover via a `mouseover` event.\n     * Turns on listening for `mouseover` event. When they happen it\n     * calls `this.handleMouseOver`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseover` event that caused this function to be called.\n     *\n     * @listens mouseover\n     */\n    ;\n\n    _proto.handleMouseOver = function handleMouseOver(event) {\n      this.addClass('vjs-hover');\n      on(document, 'keyup', bind(this, this.handleKeyPress));\n    }\n    /**\n     * This gets called when a `VolumePanel` gains hover via a `mouseout` event.\n     * Turns on listening for `mouseout` event. When they happen it\n     * calls `this.handleMouseOut`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseout` event that caused this function to be called.\n     *\n     * @listens mouseout\n     */\n    ;\n\n    _proto.handleMouseOut = function handleMouseOut(event) {\n      this.removeClass('vjs-hover');\n      off(document, 'keyup', bind(this, this.handleKeyPress));\n    }\n    /**\n     * Handles `keyup` event on the document or `keydown` event on the `VolumePanel`,\n     * looking for ESC, which hides the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        The keypress that triggered this event.\n     *\n     * @listens keydown | keyup\n     */\n    ;\n\n    _proto.handleKeyPress = function handleKeyPress(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        this.handleMouseOut();\n      }\n    };\n\n    return VolumePanel;\n  }(Component);\n  /**\n   * Default options for the `VolumeControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumePanel.prototype.options_ = {\n    children: ['muteToggle', 'volumeControl']\n  };\n  Component.registerComponent('VolumePanel', VolumePanel);\n\n  /**\n   * The Menu component is used to build popup menus, including subtitle and\n   * captions selection menus.\n   *\n   * @extends Component\n   */\n\n  var Menu = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Menu, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        the player that this component should attach to\n     *\n     * @param {Object} [options]\n     *        Object of option names and values\n     *\n     */\n    function Menu(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      if (options) {\n        _this.menuButton_ = options.menuButton;\n      }\n\n      _this.focusedChild_ = -1;\n\n      _this.on('keydown', _this.handleKeyDown); // All the menu item instances share the same blur handler provided by the menu container.\n\n\n      _this.boundHandleBlur_ = bind(assertThisInitialized(_this), _this.handleBlur);\n      _this.boundHandleTapClick_ = bind(assertThisInitialized(_this), _this.handleTapClick);\n      return _this;\n    }\n    /**\n     * Add event listeners to the {@link MenuItem}.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem` to add listeners to.\n     *\n     */\n\n\n    var _proto = Menu.prototype;\n\n    _proto.addEventListenerForItem = function addEventListenerForItem(component) {\n      if (!(component instanceof Component)) {\n        return;\n      }\n\n      this.on(component, 'blur', this.boundHandleBlur_);\n      this.on(component, ['tap', 'click'], this.boundHandleTapClick_);\n    }\n    /**\n     * Remove event listeners from the {@link MenuItem}.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem` to remove listeners.\n     *\n     */\n    ;\n\n    _proto.removeEventListenerForItem = function removeEventListenerForItem(component) {\n      if (!(component instanceof Component)) {\n        return;\n      }\n\n      this.off(component, 'blur', this.boundHandleBlur_);\n      this.off(component, ['tap', 'click'], this.boundHandleTapClick_);\n    }\n    /**\n     * This method will be called indirectly when the component has been added\n     * before the component adds to the new menu instance by `addItem`.\n     * In this case, the original menu instance will remove the component\n     * by calling `removeChild`.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem`\n     */\n    ;\n\n    _proto.removeChild = function removeChild(component) {\n      if (typeof component === 'string') {\n        component = this.getChild(component);\n      }\n\n      this.removeEventListenerForItem(component);\n\n      _Component.prototype.removeChild.call(this, component);\n    }\n    /**\n     * Add a {@link MenuItem} to the menu.\n     *\n     * @param {Object|string} component\n     *        The name or instance of the `MenuItem` to add.\n     *\n     */\n    ;\n\n    _proto.addItem = function addItem(component) {\n      var childComponent = this.addChild(component);\n\n      if (childComponent) {\n        this.addEventListenerForItem(childComponent);\n      }\n    }\n    /**\n     * Create the `Menu`s DOM element.\n     *\n     * @return {Element}\n     *         the element that was created\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var contentElType = this.options_.contentElType || 'ul';\n      this.contentEl_ = createEl(contentElType, {\n        className: 'vjs-menu-content'\n      });\n      this.contentEl_.setAttribute('role', 'menu');\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        append: this.contentEl_,\n        className: 'vjs-menu'\n      });\n\n      el.appendChild(this.contentEl_); // Prevent clicks from bubbling up. Needed for Menu Buttons,\n      // where a click on the parent is significant\n\n      on(el, 'click', function (event) {\n        event.preventDefault();\n        event.stopImmediatePropagation();\n      });\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.boundHandleBlur_ = null;\n      this.boundHandleTapClick_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Called when a `MenuItem` loses focus.\n     *\n     * @param {EventTarget~Event} event\n     *        The `blur` event that caused this function to be called.\n     *\n     * @listens blur\n     */\n    ;\n\n    _proto.handleBlur = function handleBlur(event) {\n      var relatedTarget = event.relatedTarget || document.activeElement; // Close menu popup when a user clicks outside the menu\n\n      if (!this.children().some(function (element) {\n        return element.el() === relatedTarget;\n      })) {\n        var btn = this.menuButton_;\n\n        if (btn && btn.buttonPressed_ && relatedTarget !== btn.el().firstChild) {\n          btn.unpressButton();\n        }\n      }\n    }\n    /**\n     * Called when a `MenuItem` gets clicked or tapped.\n     *\n     * @param {EventTarget~Event} event\n     *        The `click` or `tap` event that caused this function to be called.\n     *\n     * @listens click,tap\n     */\n    ;\n\n    _proto.handleTapClick = function handleTapClick(event) {\n      // Unpress the associated MenuButton, and move focus back to it\n      if (this.menuButton_) {\n        this.menuButton_.unpressButton();\n        var childComponents = this.children();\n\n        if (!Array.isArray(childComponents)) {\n          return;\n        }\n\n        var foundComponent = childComponents.filter(function (component) {\n          return component.el() === event.target;\n        })[0];\n\n        if (!foundComponent) {\n          return;\n        } // don't focus menu button if item is a caption settings item\n        // because focus will move elsewhere\n\n\n        if (foundComponent.name() !== 'CaptionSettingsMenuItem') {\n          this.menuButton_.focus();\n        }\n      }\n    }\n    /**\n     * Handle a `keydown` event on this menu. This listener is added in the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        A `keydown` event that happened on the menu.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Left and Down Arrows\n      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepForward(); // Up and Right Arrows\n      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepBack();\n      }\n    }\n    /**\n     * Move to next (lower) menu item for keyboard users.\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      var stepChild = 0;\n\n      if (this.focusedChild_ !== undefined) {\n        stepChild = this.focusedChild_ + 1;\n      }\n\n      this.focus(stepChild);\n    }\n    /**\n     * Move to previous (higher) menu item for keyboard users.\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      var stepChild = 0;\n\n      if (this.focusedChild_ !== undefined) {\n        stepChild = this.focusedChild_ - 1;\n      }\n\n      this.focus(stepChild);\n    }\n    /**\n     * Set focus on a {@link MenuItem} in the `Menu`.\n     *\n     * @param {Object|string} [item=0]\n     *        Index of child item set focus on.\n     */\n    ;\n\n    _proto.focus = function focus(item) {\n      if (item === void 0) {\n        item = 0;\n      }\n\n      var children = this.children().slice();\n      var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);\n\n      if (haveTitle) {\n        children.shift();\n      }\n\n      if (children.length > 0) {\n        if (item < 0) {\n          item = 0;\n        } else if (item >= children.length) {\n          item = children.length - 1;\n        }\n\n        this.focusedChild_ = item;\n        children[item].el_.focus();\n      }\n    };\n\n    return Menu;\n  }(Component);\n\n  Component.registerComponent('Menu', Menu);\n\n  /**\n   * A `MenuButton` class for any popup {@link Menu}.\n   *\n   * @extends Component\n   */\n\n  var MenuButton = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MenuButton, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function MenuButton(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _Component.call(this, player, options) || this;\n      _this.menuButton_ = new Button(player, options);\n\n      _this.menuButton_.controlText(_this.controlText_);\n\n      _this.menuButton_.el_.setAttribute('aria-haspopup', 'true'); // Add buildCSSClass values to the button, not the wrapper\n\n\n      var buttonClass = Button.prototype.buildCSSClass();\n      _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;\n\n      _this.menuButton_.removeClass('vjs-control');\n\n      _this.addChild(_this.menuButton_);\n\n      _this.update();\n\n      _this.enabled_ = true;\n\n      _this.on(_this.menuButton_, 'tap', _this.handleClick);\n\n      _this.on(_this.menuButton_, 'click', _this.handleClick);\n\n      _this.on(_this.menuButton_, 'keydown', _this.handleKeyDown);\n\n      _this.on(_this.menuButton_, 'mouseenter', function () {\n        _this.addClass('vjs-hover');\n\n        _this.menu.show();\n\n        on(document, 'keyup', bind(assertThisInitialized(_this), _this.handleMenuKeyUp));\n      });\n\n      _this.on('mouseleave', _this.handleMouseLeave);\n\n      _this.on('keydown', _this.handleSubmenuKeyDown);\n\n      return _this;\n    }\n    /**\n     * Update the menu based on the current state of its items.\n     */\n\n\n    var _proto = MenuButton.prototype;\n\n    _proto.update = function update() {\n      var menu = this.createMenu();\n\n      if (this.menu) {\n        this.menu.dispose();\n        this.removeChild(this.menu);\n      }\n\n      this.menu = menu;\n      this.addChild(menu);\n      /**\n       * Track the state of the menu button\n       *\n       * @type {Boolean}\n       * @private\n       */\n\n      this.buttonPressed_ = false;\n      this.menuButton_.el_.setAttribute('aria-expanded', 'false');\n\n      if (this.items && this.items.length <= this.hideThreshold_) {\n        this.hide();\n      } else {\n        this.show();\n      }\n    }\n    /**\n     * Create the menu and add all items to it.\n     *\n     * @return {Menu}\n     *         The constructed menu\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      var menu = new Menu(this.player_, {\n        menuButton: this\n      });\n      /**\n       * Hide the menu if the number of items is less than or equal to this threshold. This defaults\n       * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list\n       * it here because every time we run `createMenu` we need to reset the value.\n       *\n       * @protected\n       * @type {Number}\n       */\n\n      this.hideThreshold_ = 0; // Add a title list item to the top\n\n      if (this.options_.title) {\n        var titleEl = createEl('li', {\n          className: 'vjs-menu-title',\n          innerHTML: toTitleCase(this.options_.title),\n          tabIndex: -1\n        });\n        this.hideThreshold_ += 1;\n        var titleComponent = new Component(this.player_, {\n          el: titleEl\n        });\n        menu.addItem(titleComponent);\n      }\n\n      this.items = this.createItems();\n\n      if (this.items) {\n        // Add menu items to the menu\n        for (var i = 0; i < this.items.length; i++) {\n          menu.addItem(this.items[i]);\n        }\n      }\n\n      return menu;\n    }\n    /**\n     * Create the list of menu items. Specific to each subclass.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.createItems = function createItems() {}\n    /**\n     * Create the `MenuButtons`s DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildWrapperCSSClass()\n      }, {});\n    }\n    /**\n     * Allow sub components to stack CSS class names for the wrapper element\n     *\n     * @return {string}\n     *         The constructed wrapper DOM `className`\n     */\n    ;\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.\n\n      if (this.options_.inline === true) {\n        menuButtonClass += '-inline';\n      } else {\n        menuButtonClass += '-popup';\n      } // TODO: Fix the CSS so that this isn't necessary\n\n\n      var buttonClass = Button.prototype.buildCSSClass();\n      return \"vjs-menu-button \" + menuButtonClass + \" \" + buttonClass + \" \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.\n\n      if (this.options_.inline === true) {\n        menuButtonClass += '-inline';\n      } else {\n        menuButtonClass += '-popup';\n      }\n\n      return \"vjs-menu-button \" + menuButtonClass + \" \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Get or set the localized control text that will be used for accessibility.\n     *\n     * > NOTE: This will come from the internal `menuButton_` element.\n     *\n     * @param {string} [text]\n     *        Control text for element.\n     *\n     * @param {Element} [el=this.menuButton_.el()]\n     *        Element to set the title on.\n     *\n     * @return {string}\n     *         - The control text when getting\n     */\n    ;\n\n    _proto.controlText = function controlText(text, el) {\n      if (el === void 0) {\n        el = this.menuButton_.el();\n      }\n\n      return this.menuButton_.controlText(text, el);\n    }\n    /**\n     * Dispose of the `menu-button` and all child components.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.handleMouseLeave();\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Handle a click on a `MenuButton`.\n     * See {@link ClickableComponent#handleClick} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.buttonPressed_) {\n        this.unpressButton();\n      } else {\n        this.pressButton();\n      }\n    }\n    /**\n     * Handle `mouseleave` for `MenuButton`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseleave` event that caused this function to be called.\n     *\n     * @listens mouseleave\n     */\n    ;\n\n    _proto.handleMouseLeave = function handleMouseLeave(event) {\n      this.removeClass('vjs-hover');\n      off(document, 'keyup', bind(this, this.handleMenuKeyUp));\n    }\n    /**\n     * Set the focus to the actual button, not to this element\n     */\n    ;\n\n    _proto.focus = function focus() {\n      this.menuButton_.focus();\n    }\n    /**\n     * Remove the focus from the actual button, not this element\n     */\n    ;\n\n    _proto.blur = function blur() {\n      this.menuButton_.blur();\n    }\n    /**\n     * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See\n     * {@link ClickableComponent#handleKeyDown} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Escape or Tab unpress the 'button'\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        if (this.buttonPressed_) {\n          this.unpressButton();\n        } // Don't preventDefault for Tab key - we still want to lose focus\n\n\n        if (!keycode.isEventKey(event, 'Tab')) {\n          event.preventDefault(); // Set focus back to the menu button's button\n\n          this.menuButton_.focus();\n        } // Up Arrow or Down Arrow also 'press' the button to open the menu\n\n      } else if (keycode.isEventKey(event, 'Up') || keycode.isEventKey(event, 'Down')) {\n        if (!this.buttonPressed_) {\n          event.preventDefault();\n          this.pressButton();\n        }\n      }\n    }\n    /**\n     * Handle a `keyup` event on a `MenuButton`. The listener for this is added in\n     * the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        Key press event\n     *\n     * @listens keyup\n     */\n    ;\n\n    _proto.handleMenuKeyUp = function handleMenuKeyUp(event) {\n      // Escape hides popup menu\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        this.removeClass('vjs-hover');\n      }\n    }\n    /**\n     * This method name now delegates to `handleSubmenuKeyDown`. This means\n     * anyone calling `handleSubmenuKeyPress` will not see their method calls\n     * stop working.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {\n      this.handleSubmenuKeyDown(event);\n    }\n    /**\n     * Handle a `keydown` event on a sub-menu. The listener for this is added in\n     * the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        Key press event\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleSubmenuKeyDown = function handleSubmenuKeyDown(event) {\n      // Escape or Tab unpress the 'button'\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        if (this.buttonPressed_) {\n          this.unpressButton();\n        } // Don't preventDefault for Tab key - we still want to lose focus\n\n\n        if (!keycode.isEventKey(event, 'Tab')) {\n          event.preventDefault(); // Set focus back to the menu button's button\n\n          this.menuButton_.focus();\n        }\n      }\n    }\n    /**\n     * Put the current `MenuButton` into a pressed state.\n     */\n    ;\n\n    _proto.pressButton = function pressButton() {\n      if (this.enabled_) {\n        this.buttonPressed_ = true;\n        this.menu.show();\n        this.menu.lockShowing();\n        this.menuButton_.el_.setAttribute('aria-expanded', 'true'); // set the focus into the submenu, except on iOS where it is resulting in\n        // undesired scrolling behavior when the player is in an iframe\n\n        if (IS_IOS && isInFrame()) {\n          // Return early so that the menu isn't focused\n          return;\n        }\n\n        this.menu.focus();\n      }\n    }\n    /**\n     * Take the current `MenuButton` out of a pressed state.\n     */\n    ;\n\n    _proto.unpressButton = function unpressButton() {\n      if (this.enabled_) {\n        this.buttonPressed_ = false;\n        this.menu.unlockShowing();\n        this.menu.hide();\n        this.menuButton_.el_.setAttribute('aria-expanded', 'false');\n      }\n    }\n    /**\n     * Disable the `MenuButton`. Don't allow it to be clicked.\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.unpressButton();\n      this.enabled_ = false;\n      this.addClass('vjs-disabled');\n      this.menuButton_.disable();\n    }\n    /**\n     * Enable the `MenuButton`. Allow it to be clicked.\n     */\n    ;\n\n    _proto.enable = function enable() {\n      this.enabled_ = true;\n      this.removeClass('vjs-disabled');\n      this.menuButton_.enable();\n    };\n\n    return MenuButton;\n  }(Component);\n\n  Component.registerComponent('MenuButton', MenuButton);\n\n  /**\n   * The base class for buttons that toggle specific  track types (e.g. subtitles).\n   *\n   * @extends MenuButton\n   */\n\n  var TrackButton = /*#__PURE__*/function (_MenuButton) {\n    inheritsLoose(TrackButton, _MenuButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TrackButton(player, options) {\n      var _this;\n\n      var tracks = options.tracks;\n      _this = _MenuButton.call(this, player, options) || this;\n\n      if (_this.items.length <= 1) {\n        _this.hide();\n      }\n\n      if (!tracks) {\n        return assertThisInitialized(_this);\n      }\n\n      var updateHandler = bind(assertThisInitialized(_this), _this.update);\n      tracks.addEventListener('removetrack', updateHandler);\n      tracks.addEventListener('addtrack', updateHandler);\n\n      _this.player_.on('ready', updateHandler);\n\n      _this.player_.on('dispose', function () {\n        tracks.removeEventListener('removetrack', updateHandler);\n        tracks.removeEventListener('addtrack', updateHandler);\n      });\n\n      return _this;\n    }\n\n    return TrackButton;\n  }(MenuButton);\n\n  Component.registerComponent('TrackButton', TrackButton);\n\n  /**\n   * @file menu-keys.js\n   */\n\n  /**\n    * All keys used for operation of a menu (`MenuButton`, `Menu`, and `MenuItem`)\n    * Note that 'Enter' and 'Space' are not included here (otherwise they would\n    * prevent the `MenuButton` and `MenuItem` from being keyboard-clickable)\n    * @typedef MenuKeys\n    * @array\n    */\n  var MenuKeys = ['Tab', 'Esc', 'Up', 'Down', 'Right', 'Left'];\n\n  /**\n   * The component for a menu item. `<li>`\n   *\n   * @extends ClickableComponent\n   */\n\n  var MenuItem = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(MenuItem, _ClickableComponent);\n\n    /**\n     * Creates an instance of the this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     *\n     */\n    function MenuItem(player, options) {\n      var _this;\n\n      _this = _ClickableComponent.call(this, player, options) || this;\n      _this.selectable = options.selectable;\n      _this.isSelected_ = options.selected || false;\n      _this.multiSelectable = options.multiSelectable;\n\n      _this.selected(_this.isSelected_);\n\n      if (_this.selectable) {\n        if (_this.multiSelectable) {\n          _this.el_.setAttribute('role', 'menuitemcheckbox');\n        } else {\n          _this.el_.setAttribute('role', 'menuitemradio');\n        }\n      } else {\n        _this.el_.setAttribute('role', 'menuitem');\n      }\n\n      return _this;\n    }\n    /**\n     * Create the `MenuItem's DOM element\n     *\n     * @param {string} [type=li]\n     *        Element's node type, not actually used, always set to `li`.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element\n     *\n     * @param {Object} [attrs={}]\n     *        An object of attributes that should be set on the element\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n\n\n    var _proto = MenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      // The control is textual, not just an icon\n      this.nonIconControl = true;\n      return _ClickableComponent.prototype.createEl.call(this, 'li', assign({\n        className: 'vjs-menu-item',\n        innerHTML: \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label) + \"</span>\",\n        tabIndex: -1\n      }, props), attrs);\n    }\n    /**\n     * Ignore keys which are used by the menu, but pass any other ones up. See\n     * {@link ClickableComponent#handleKeyDown} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (!MenuKeys.some(function (key) {\n        return keycode.isEventKey(event, key);\n      })) {\n        // Pass keydown handling up for unused keys\n        _ClickableComponent.prototype.handleKeyDown.call(this, event);\n      }\n    }\n    /**\n     * Any click on a `MenuItem` puts it into the selected state.\n     * See {@link ClickableComponent#handleClick} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      this.selected(true);\n    }\n    /**\n     * Set the state for this menu item as selected or not.\n     *\n     * @param {boolean} selected\n     *        if the menu item is selected or not\n     */\n    ;\n\n    _proto.selected = function selected(_selected) {\n      if (this.selectable) {\n        if (_selected) {\n          this.addClass('vjs-selected');\n          this.el_.setAttribute('aria-checked', 'true'); // aria-checked isn't fully supported by browsers/screen readers,\n          // so indicate selected state to screen reader in the control text.\n\n          this.controlText(', selected');\n          this.isSelected_ = true;\n        } else {\n          this.removeClass('vjs-selected');\n          this.el_.setAttribute('aria-checked', 'false'); // Indicate un-selected state to screen reader\n\n          this.controlText('');\n          this.isSelected_ = false;\n        }\n      }\n    };\n\n    return MenuItem;\n  }(ClickableComponent);\n\n  Component.registerComponent('MenuItem', MenuItem);\n\n  /**\n   * The specific menu item type for selecting a language within a text track kind\n   *\n   * @extends MenuItem\n   */\n\n  var TextTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(TextTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TextTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var tracks = player.textTracks(); // Modify options for parent MenuItem class's init.\n\n      options.label = track.label || track.language || 'Unknown';\n      options.selected = track.mode === 'showing';\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track; // Determine the relevant kind(s) of tracks for this component and filter\n      // out empty kinds.\n\n      _this.kinds = (options.kinds || [options.kind || _this.track.kind]).filter(Boolean);\n\n      var changeHandler = function changeHandler() {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        _this.handleTracksChange.apply(assertThisInitialized(_this), args);\n      };\n\n      var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {\n        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n          args[_key2] = arguments[_key2];\n        }\n\n        _this.handleSelectedLanguageChange.apply(assertThisInitialized(_this), args);\n      };\n\n      player.on(['loadstart', 'texttrackchange'], changeHandler);\n      tracks.addEventListener('change', changeHandler);\n      tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);\n\n      _this.on('dispose', function () {\n        player.off(['loadstart', 'texttrackchange'], changeHandler);\n        tracks.removeEventListener('change', changeHandler);\n        tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);\n      }); // iOS7 doesn't dispatch change events to TextTrackLists when an\n      // associated track's mode changes. Without something like\n      // Object.observe() (also not present on iOS7), it's not\n      // possible to detect changes to the mode attribute and polyfill\n      // the change event. As a poor substitute, we manually dispatch\n      // change events whenever the controls modify the mode.\n\n\n      if (tracks.onchange === undefined) {\n        var event;\n\n        _this.on(['tap', 'click'], function () {\n          if (typeof window$3.Event !== 'object') {\n            // Android 2.3 throws an Illegal Constructor error for window.Event\n            try {\n              event = new window$3.Event('change');\n            } catch (err) {// continue regardless of error\n            }\n          }\n\n          if (!event) {\n            event = document.createEvent('Event');\n            event.initEvent('change', true, true);\n          }\n\n          tracks.dispatchEvent(event);\n        });\n      } // set the default state based on current tracks\n\n\n      _this.handleTracksChange();\n\n      return _this;\n    }\n    /**\n     * This gets called when an `TextTrackMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = TextTrackMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      var referenceTrack = this.track;\n      var tracks = this.player_.textTracks();\n\n      _MenuItem.prototype.handleClick.call(this, event);\n\n      if (!tracks) {\n        return;\n      }\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // If the track from the text tracks list is not of the right kind,\n        // skip it. We do not want to affect tracks of incompatible kind(s).\n\n        if (this.kinds.indexOf(track.kind) === -1) {\n          continue;\n        } // If this text track is the component's track and it is not showing,\n        // set it to showing.\n\n\n        if (track === referenceTrack) {\n          if (track.mode !== 'showing') {\n            track.mode = 'showing';\n          } // If this text track is not the component's track and it is not\n          // disabled, set it to disabled.\n\n        } else if (track.mode !== 'disabled') {\n          track.mode = 'disabled';\n        }\n      }\n    }\n    /**\n     * Handle text track list change\n     *\n     * @param {EventTarget~Event} event\n     *        The `change` event that caused this function to be called.\n     *\n     * @listens TextTrackList#change\n     */\n    ;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var shouldBeSelected = this.track.mode === 'showing'; // Prevent redundant selected() calls because they may cause\n      // screen readers to read the appended control text unnecessarily\n\n      if (shouldBeSelected !== this.isSelected_) {\n        this.selected(shouldBeSelected);\n      }\n    };\n\n    _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {\n      if (this.track.mode === 'showing') {\n        var selectedLanguage = this.player_.cache_.selectedLanguage; // Don't replace the kind of track across the same language\n\n        if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {\n          return;\n        }\n\n        this.player_.cache_.selectedLanguage = {\n          enabled: true,\n          language: this.track.language,\n          kind: this.track.kind\n        };\n      }\n    };\n\n    _proto.dispose = function dispose() {\n      // remove reference to track object on dispose\n      this.track = null;\n\n      _MenuItem.prototype.dispose.call(this);\n    };\n\n    return TextTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);\n\n  /**\n   * A special menu item for turning of a specific type of text track\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var OffTextTrackMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(OffTextTrackMenuItem, _TextTrackMenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function OffTextTrackMenuItem(player, options) {\n      // Create pseudo track info\n      // Requires options['kind']\n      options.track = {\n        player: player,\n        // it is no longer necessary to store `kind` or `kinds` on the track itself\n        // since they are now stored in the `kinds` property of all instances of\n        // TextTrackMenuItem, but this will remain for backwards compatibility\n        kind: options.kind,\n        kinds: options.kinds,\n        \"default\": false,\n        mode: 'disabled'\n      };\n\n      if (!options.kinds) {\n        options.kinds = [options.kind];\n      }\n\n      if (options.label) {\n        options.track.label = options.label;\n      } else {\n        options.track.label = options.kinds.join(' and ') + ' off';\n      } // MenuItem is selectable\n\n\n      options.selectable = true; // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n\n      options.multiSelectable = false;\n      return _TextTrackMenuItem.call(this, player, options) || this;\n    }\n    /**\n     * Handle text track change\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run\n     */\n\n\n    var _proto = OffTextTrackMenuItem.prototype;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var tracks = this.player().textTracks();\n      var shouldBeSelected = true;\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {\n          shouldBeSelected = false;\n          break;\n        }\n      } // Prevent redundant selected() calls because they may cause\n      // screen readers to read the appended control text unnecessarily\n\n\n      if (shouldBeSelected !== this.isSelected_) {\n        this.selected(shouldBeSelected);\n      }\n    };\n\n    _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {\n      var tracks = this.player().textTracks();\n      var allHidden = true;\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {\n          allHidden = false;\n          break;\n        }\n      }\n\n      if (allHidden) {\n        this.player_.cache_.selectedLanguage = {\n          enabled: false\n        };\n      }\n    };\n\n    return OffTextTrackMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);\n\n  /**\n   * The base class for buttons that toggle specific text track types (e.g. subtitles)\n   *\n   * @extends MenuButton\n   */\n\n  var TextTrackButton = /*#__PURE__*/function (_TrackButton) {\n    inheritsLoose(TextTrackButton, _TrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function TextTrackButton(player, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.tracks = player.textTracks();\n      return _TrackButton.call(this, player, options) || this;\n    }\n    /**\n     * Create a menu item for each text track\n     *\n     * @param {TextTrackMenuItem[]} [items=[]]\n     *        Existing array of items to use during creation\n     *\n     * @return {TextTrackMenuItem[]}\n     *         Array of menu items that were created\n     */\n\n\n    var _proto = TextTrackButton.prototype;\n\n    _proto.createItems = function createItems(items, TrackMenuItem) {\n      if (items === void 0) {\n        items = [];\n      }\n\n      if (TrackMenuItem === void 0) {\n        TrackMenuItem = TextTrackMenuItem;\n      }\n\n      // Label is an override for the [track] off label\n      // USed to localise captions/subtitles\n      var label;\n\n      if (this.label_) {\n        label = this.label_ + \" off\";\n      } // Add an OFF menu item to turn all tracks off\n\n\n      items.push(new OffTextTrackMenuItem(this.player_, {\n        kinds: this.kinds_,\n        kind: this.kind_,\n        label: label\n      }));\n      this.hideThreshold_ += 1;\n      var tracks = this.player_.textTracks();\n\n      if (!Array.isArray(this.kinds_)) {\n        this.kinds_ = [this.kind_];\n      }\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // only add tracks that are of an appropriate kind and have a label\n\n        if (this.kinds_.indexOf(track.kind) > -1) {\n          var item = new TrackMenuItem(this.player_, {\n            track: track,\n            kinds: this.kinds_,\n            kind: this.kind_,\n            // MenuItem is selectable\n            selectable: true,\n            // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n            multiSelectable: false\n          });\n          item.addClass(\"vjs-\" + track.kind + \"-menu-item\");\n          items.push(item);\n        }\n      }\n\n      return items;\n    };\n\n    return TextTrackButton;\n  }(TrackButton);\n\n  Component.registerComponent('TextTrackButton', TextTrackButton);\n\n  /**\n   * The chapter track menu item\n   *\n   * @extends MenuItem\n   */\n\n  var ChaptersTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(ChaptersTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function ChaptersTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var cue = options.cue;\n      var currentTime = player.currentTime(); // Modify options for parent MenuItem class's init.\n\n      options.selectable = true;\n      options.multiSelectable = false;\n      options.label = cue.text;\n      options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track;\n      _this.cue = cue;\n      track.addEventListener('cuechange', bind(assertThisInitialized(_this), _this.update));\n      return _this;\n    }\n    /**\n     * This gets called when an `ChaptersTrackMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = ChaptersTrackMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      _MenuItem.prototype.handleClick.call(this);\n\n      this.player_.currentTime(this.cue.startTime);\n      this.update(this.cue.startTime);\n    }\n    /**\n     * Update chapter menu item\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `cuechange` event that caused this function to run.\n     *\n     * @listens TextTrack#cuechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var cue = this.cue;\n      var currentTime = this.player_.currentTime(); // vjs.log(currentTime, cue.startTime);\n\n      this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);\n    };\n\n    return ChaptersTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);\n\n  /**\n   * The button component for toggling and selecting chapters\n   * Chapters act much differently than other text tracks\n   * Cues are navigation vs. other tracks of alternative languages\n   *\n   * @extends TextTrackButton\n   */\n\n  var ChaptersButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(ChaptersButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this function is ready.\n     */\n    function ChaptersButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = ChaptersButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-chapters-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-chapters-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Update the menu based on the current state of its items.\n     *\n     * @param {EventTarget~Event} [event]\n     *        An event that triggered this function to run.\n     *\n     * @listens TextTrackList#addtrack\n     * @listens TextTrackList#removetrack\n     * @listens TextTrackList#change\n     */\n    ;\n\n    _proto.update = function update(event) {\n      if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {\n        this.setTrack(this.findChaptersTrack());\n      }\n\n      _TextTrackButton.prototype.update.call(this);\n    }\n    /**\n     * Set the currently selected track for the chapters button.\n     *\n     * @param {TextTrack} track\n     *        The new track to select. Nothing will change if this is the currently selected\n     *        track.\n     */\n    ;\n\n    _proto.setTrack = function setTrack(track) {\n      if (this.track_ === track) {\n        return;\n      }\n\n      if (!this.updateHandler_) {\n        this.updateHandler_ = this.update.bind(this);\n      } // here this.track_ refers to the old track instance\n\n\n      if (this.track_) {\n        var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);\n\n        if (remoteTextTrackEl) {\n          remoteTextTrackEl.removeEventListener('load', this.updateHandler_);\n        }\n\n        this.track_ = null;\n      }\n\n      this.track_ = track; // here this.track_ refers to the new track instance\n\n      if (this.track_) {\n        this.track_.mode = 'hidden';\n\n        var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);\n\n        if (_remoteTextTrackEl) {\n          _remoteTextTrackEl.addEventListener('load', this.updateHandler_);\n        }\n      }\n    }\n    /**\n     * Find the track object that is currently in use by this ChaptersButton\n     *\n     * @return {TextTrack|undefined}\n     *         The current track or undefined if none was found.\n     */\n    ;\n\n    _proto.findChaptersTrack = function findChaptersTrack() {\n      var tracks = this.player_.textTracks() || [];\n\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        // We will always choose the last track as our chaptersTrack\n        var track = tracks[i];\n\n        if (track.kind === this.kind_) {\n          return track;\n        }\n      }\n    }\n    /**\n     * Get the caption for the ChaptersButton based on the track label. This will also\n     * use the current tracks localized kind as a fallback if a label does not exist.\n     *\n     * @return {string}\n     *         The tracks current label or the localized track kind.\n     */\n    ;\n\n    _proto.getMenuCaption = function getMenuCaption() {\n      if (this.track_ && this.track_.label) {\n        return this.track_.label;\n      }\n\n      return this.localize(toTitleCase(this.kind_));\n    }\n    /**\n     * Create menu from chapter track\n     *\n     * @return {Menu}\n     *         New menu for the chapter buttons\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      this.options_.title = this.getMenuCaption();\n      return _TextTrackButton.prototype.createMenu.call(this);\n    }\n    /**\n     * Create a menu item for each text track\n     *\n     * @return {TextTrackMenuItem[]}\n     *         Array of menu items\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!this.track_) {\n        return items;\n      }\n\n      var cues = this.track_.cues;\n\n      if (!cues) {\n        return items;\n      }\n\n      for (var i = 0, l = cues.length; i < l; i++) {\n        var cue = cues[i];\n        var mi = new ChaptersTrackMenuItem(this.player_, {\n          track: this.track_,\n          cue: cue\n        });\n        items.push(mi);\n      }\n\n      return items;\n    };\n\n    return ChaptersButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  ChaptersButton.prototype.kind_ = 'chapters';\n  /**\n   * The text that should display over the `ChaptersButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  ChaptersButton.prototype.controlText_ = 'Chapters';\n  Component.registerComponent('ChaptersButton', ChaptersButton);\n\n  /**\n   * The button component for toggling and selecting descriptions\n   *\n   * @extends TextTrackButton\n   */\n\n  var DescriptionsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(DescriptionsButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function DescriptionsButton(player, options, ready) {\n      var _this;\n\n      _this = _TextTrackButton.call(this, player, options, ready) || this;\n      var tracks = player.textTracks();\n      var changeHandler = bind(assertThisInitialized(_this), _this.handleTracksChange);\n      tracks.addEventListener('change', changeHandler);\n\n      _this.on('dispose', function () {\n        tracks.removeEventListener('change', changeHandler);\n      });\n\n      return _this;\n    }\n    /**\n     * Handle text track change\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run\n     *\n     * @listens TextTrackList#change\n     */\n\n\n    var _proto = DescriptionsButton.prototype;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var tracks = this.player().textTracks();\n      var disabled = false; // Check whether a track of a different kind is showing\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (track.kind !== this.kind_ && track.mode === 'showing') {\n          disabled = true;\n          break;\n        }\n      } // If another track is showing, disable this menu button\n\n\n      if (disabled) {\n        this.disable();\n      } else {\n        this.enable();\n      }\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-descriptions-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-descriptions-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    };\n\n    return DescriptionsButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  DescriptionsButton.prototype.kind_ = 'descriptions';\n  /**\n   * The text that should display over the `DescriptionsButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  DescriptionsButton.prototype.controlText_ = 'Descriptions';\n  Component.registerComponent('DescriptionsButton', DescriptionsButton);\n\n  /**\n   * The button component for toggling and selecting subtitles\n   *\n   * @extends TextTrackButton\n   */\n\n  var SubtitlesButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(SubtitlesButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function SubtitlesButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = SubtitlesButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-subtitles-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-subtitles-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    };\n\n    return SubtitlesButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  SubtitlesButton.prototype.kind_ = 'subtitles';\n  /**\n   * The text that should display over the `SubtitlesButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  SubtitlesButton.prototype.controlText_ = 'Subtitles';\n  Component.registerComponent('SubtitlesButton', SubtitlesButton);\n\n  /**\n   * The menu item for caption track settings menu\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var CaptionSettingsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(CaptionSettingsMenuItem, _TextTrackMenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function CaptionSettingsMenuItem(player, options) {\n      var _this;\n\n      options.track = {\n        player: player,\n        kind: options.kind,\n        label: options.kind + ' settings',\n        selectable: false,\n        \"default\": false,\n        mode: 'disabled'\n      }; // CaptionSettingsMenuItem has no concept of 'selected'\n\n      options.selectable = false;\n      options.name = 'CaptionSettingsMenuItem';\n      _this = _TextTrackMenuItem.call(this, player, options) || this;\n\n      _this.addClass('vjs-texttrack-settings');\n\n      _this.controlText(', opens ' + options.kind + ' settings dialog');\n\n      return _this;\n    }\n    /**\n     * This gets called when an `CaptionSettingsMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = CaptionSettingsMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      this.player().getChild('textTrackSettings').open();\n    };\n\n    return CaptionSettingsMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);\n\n  /**\n   * The button component for toggling and selecting captions\n   *\n   * @extends TextTrackButton\n   */\n\n  var CaptionsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(CaptionsButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function CaptionsButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = CaptionsButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-captions-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-captions-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create caption menu items\n     *\n     * @return {CaptionSettingsMenuItem[]}\n     *         The array of current menu items.\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {\n        items.push(new CaptionSettingsMenuItem(this.player_, {\n          kind: this.kind_\n        }));\n        this.hideThreshold_ += 1;\n      }\n\n      return _TextTrackButton.prototype.createItems.call(this, items);\n    };\n\n    return CaptionsButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  CaptionsButton.prototype.kind_ = 'captions';\n  /**\n   * The text that should display over the `CaptionsButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  CaptionsButton.prototype.controlText_ = 'Captions';\n  Component.registerComponent('CaptionsButton', CaptionsButton);\n\n  /**\n   * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles\n   * in the SubsCapsMenu.\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var SubsCapsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(SubsCapsMenuItem, _TextTrackMenuItem);\n\n    function SubsCapsMenuItem() {\n      return _TextTrackMenuItem.apply(this, arguments) || this;\n    }\n\n    var _proto = SubsCapsMenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      var innerHTML = \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label);\n\n      if (this.options_.track.kind === 'captions') {\n        innerHTML += \"\\n        <span aria-hidden=\\\"true\\\" class=\\\"vjs-icon-placeholder\\\"></span>\\n        <span class=\\\"vjs-control-text\\\"> \" + this.localize('Captions') + \"</span>\\n      \";\n      }\n\n      innerHTML += '</span>';\n\n      var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({\n        innerHTML: innerHTML\n      }, props), attrs);\n\n      return el;\n    };\n\n    return SubsCapsMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);\n\n  /**\n   * The button component for toggling and selecting captions and/or subtitles\n   *\n   * @extends TextTrackButton\n   */\n\n  var SubsCapsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(SubsCapsButton, _TextTrackButton);\n\n    function SubsCapsButton(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _TextTrackButton.call(this, player, options) || this; // Although North America uses \"captions\" in most cases for\n      // \"captions and subtitles\" other locales use \"subtitles\"\n\n      _this.label_ = 'subtitles';\n\n      if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {\n        _this.label_ = 'captions';\n      }\n\n      _this.menuButton_.controlText(toTitleCase(_this.label_));\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = SubsCapsButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-subs-caps-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-subs-caps-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create caption/subtitles menu items\n     *\n     * @return {CaptionSettingsMenuItem[]}\n     *         The array of current menu items.\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {\n        items.push(new CaptionSettingsMenuItem(this.player_, {\n          kind: this.label_\n        }));\n        this.hideThreshold_ += 1;\n      }\n\n      items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);\n      return items;\n    };\n\n    return SubsCapsButton;\n  }(TextTrackButton);\n  /**\n   * `kind`s of TextTrack to look for to associate it with this menu.\n   *\n   * @type {array}\n   * @private\n   */\n\n\n  SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];\n  /**\n   * The text that should display over the `SubsCapsButton`s controls.\n   *\n   *\n   * @type {string}\n   * @private\n   */\n\n  SubsCapsButton.prototype.controlText_ = 'Subtitles';\n  Component.registerComponent('SubsCapsButton', SubsCapsButton);\n\n  /**\n   * An {@link AudioTrack} {@link MenuItem}\n   *\n   * @extends MenuItem\n   */\n\n  var AudioTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(AudioTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function AudioTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var tracks = player.audioTracks(); // Modify options for parent MenuItem class's init.\n\n      options.label = track.label || track.language || 'Unknown';\n      options.selected = track.enabled;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track;\n\n      _this.addClass(\"vjs-\" + track.kind + \"-menu-item\");\n\n      var changeHandler = function changeHandler() {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        _this.handleTracksChange.apply(assertThisInitialized(_this), args);\n      };\n\n      tracks.addEventListener('change', changeHandler);\n\n      _this.on('dispose', function () {\n        tracks.removeEventListener('change', changeHandler);\n      });\n\n      return _this;\n    }\n\n    var _proto = AudioTrackMenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      var innerHTML = \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label);\n\n      if (this.options_.track.kind === 'main-desc') {\n        innerHTML += \"\\n        <span aria-hidden=\\\"true\\\" class=\\\"vjs-icon-placeholder\\\"></span>\\n        <span class=\\\"vjs-control-text\\\"> \" + this.localize('Descriptions') + \"</span>\\n      \";\n      }\n\n      innerHTML += '</span>';\n\n      var el = _MenuItem.prototype.createEl.call(this, type, assign({\n        innerHTML: innerHTML\n      }, props), attrs);\n\n      return el;\n    }\n    /**\n     * This gets called when an `AudioTrackMenuItem is \"clicked\". See {@link ClickableComponent}\n     * for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var tracks = this.player_.audioTracks();\n\n      _MenuItem.prototype.handleClick.call(this, event);\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i];\n        track.enabled = track === this.track;\n      }\n    }\n    /**\n     * Handle any {@link AudioTrack} change.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link AudioTrackList#change} event that caused this to run.\n     *\n     * @listens AudioTrackList#change\n     */\n    ;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      this.selected(this.track.enabled);\n    };\n\n    return AudioTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);\n\n  /**\n   * The base class for buttons that toggle specific {@link AudioTrack} types.\n   *\n   * @extends TrackButton\n   */\n\n  var AudioTrackButton = /*#__PURE__*/function (_TrackButton) {\n    inheritsLoose(AudioTrackButton, _TrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function AudioTrackButton(player, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.tracks = player.audioTracks();\n      return _TrackButton.call(this, player, options) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = AudioTrackButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-audio-button \" + _TrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-audio-button \" + _TrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create a menu item for each audio track\n     *\n     * @param {AudioTrackMenuItem[]} [items=[]]\n     *        An array of existing menu items to use.\n     *\n     * @return {AudioTrackMenuItem[]}\n     *         An array of menu items\n     */\n    ;\n\n    _proto.createItems = function createItems(items) {\n      if (items === void 0) {\n        items = [];\n      }\n\n      // if there's only one audio track, there no point in showing it\n      this.hideThreshold_ = 1;\n      var tracks = this.player_.audioTracks();\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i];\n        items.push(new AudioTrackMenuItem(this.player_, {\n          track: track,\n          // MenuItem is selectable\n          selectable: true,\n          // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n          multiSelectable: false\n        }));\n      }\n\n      return items;\n    };\n\n    return AudioTrackButton;\n  }(TrackButton);\n  /**\n   * The text that should display over the `AudioTrackButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  AudioTrackButton.prototype.controlText_ = 'Audio Track';\n  Component.registerComponent('AudioTrackButton', AudioTrackButton);\n\n  /**\n   * The specific menu item type for selecting a playback rate.\n   *\n   * @extends MenuItem\n   */\n\n  var PlaybackRateMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(PlaybackRateMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlaybackRateMenuItem(player, options) {\n      var _this;\n\n      var label = options.rate;\n      var rate = parseFloat(label, 10); // Modify options for parent MenuItem class's init.\n\n      options.label = label;\n      options.selected = rate === 1;\n      options.selectable = true;\n      options.multiSelectable = false;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.label = label;\n      _this.rate = rate;\n\n      _this.on(player, 'ratechange', _this.update);\n\n      return _this;\n    }\n    /**\n     * This gets called when an `PlaybackRateMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = PlaybackRateMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      _MenuItem.prototype.handleClick.call(this);\n\n      this.player().playbackRate(this.rate);\n    }\n    /**\n     * Update the PlaybackRateMenuItem when the playbackrate changes.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `ratechange` event that caused this function to run.\n     *\n     * @listens Player#ratechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      this.selected(this.player().playbackRate() === this.rate);\n    };\n\n    return PlaybackRateMenuItem;\n  }(MenuItem);\n  /**\n   * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlaybackRateMenuItem.prototype.contentElType = 'button';\n  Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);\n\n  /**\n   * The component for controlling the playback rate.\n   *\n   * @extends MenuButton\n   */\n\n  var PlaybackRateMenuButton = /*#__PURE__*/function (_MenuButton) {\n    inheritsLoose(PlaybackRateMenuButton, _MenuButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlaybackRateMenuButton(player, options) {\n      var _this;\n\n      _this = _MenuButton.call(this, player, options) || this;\n\n      _this.updateVisibility();\n\n      _this.updateLabel();\n\n      _this.on(player, 'loadstart', _this.updateVisibility);\n\n      _this.on(player, 'ratechange', _this.updateLabel);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = PlaybackRateMenuButton.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _MenuButton.prototype.createEl.call(this);\n\n      this.labelEl_ = createEl('div', {\n        className: 'vjs-playback-rate-value',\n        innerHTML: '1x'\n      });\n      el.appendChild(this.labelEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.labelEl_ = null;\n\n      _MenuButton.prototype.dispose.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-playback-rate \" + _MenuButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-playback-rate \" + _MenuButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create the playback rate menu\n     *\n     * @return {Menu}\n     *         Menu object populated with {@link PlaybackRateMenuItem}s\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      var menu = new Menu(this.player());\n      var rates = this.playbackRates();\n\n      if (rates) {\n        for (var i = rates.length - 1; i >= 0; i--) {\n          menu.addChild(new PlaybackRateMenuItem(this.player(), {\n            rate: rates[i] + 'x'\n          }));\n        }\n      }\n\n      return menu;\n    }\n    /**\n     * Updates ARIA accessibility attributes\n     */\n    ;\n\n    _proto.updateARIAAttributes = function updateARIAAttributes() {\n      // Current playback rate\n      this.el().setAttribute('aria-valuenow', this.player().playbackRate());\n    }\n    /**\n     * This gets called when an `PlaybackRateMenuButton` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      // select next rate option\n      var currentRate = this.player().playbackRate();\n      var rates = this.playbackRates(); // this will select first one if the last one currently selected\n\n      var newRate = rates[0];\n\n      for (var i = 0; i < rates.length; i++) {\n        if (rates[i] > currentRate) {\n          newRate = rates[i];\n          break;\n        }\n      }\n\n      this.player().playbackRate(newRate);\n    }\n    /**\n     * Get possible playback rates\n     *\n     * @return {Array}\n     *         All possible playback rates\n     */\n    ;\n\n    _proto.playbackRates = function playbackRates() {\n      return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;\n    }\n    /**\n     * Get whether playback rates is supported by the tech\n     * and an array of playback rates exists\n     *\n     * @return {boolean}\n     *         Whether changing playback rate is supported\n     */\n    ;\n\n    _proto.playbackRateSupported = function playbackRateSupported() {\n      return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;\n    }\n    /**\n     * Hide playback rate controls when they're no playback rate options to select\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#loadstart\n     */\n    ;\n\n    _proto.updateVisibility = function updateVisibility(event) {\n      if (this.playbackRateSupported()) {\n        this.removeClass('vjs-hidden');\n      } else {\n        this.addClass('vjs-hidden');\n      }\n    }\n    /**\n     * Update button label when rate changed\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#ratechange\n     */\n    ;\n\n    _proto.updateLabel = function updateLabel(event) {\n      if (this.playbackRateSupported()) {\n        this.labelEl_.innerHTML = this.player().playbackRate() + 'x';\n      }\n    };\n\n    return PlaybackRateMenuButton;\n  }(MenuButton);\n  /**\n   * The text that should display over the `FullscreenToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';\n  Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);\n\n  /**\n   * Just an empty spacer element that can be used as an append point for plugins, etc.\n   * Also can be used to create space between elements when necessary.\n   *\n   * @extends Component\n   */\n\n  var Spacer = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Spacer, _Component);\n\n    function Spacer() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = Spacer.prototype;\n\n    /**\n    * Builds the default DOM `className`.\n    *\n    * @return {string}\n    *         The DOM `className` for this object.\n    */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-spacer \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildCSSClass()\n      });\n    };\n\n    return Spacer;\n  }(Component);\n\n  Component.registerComponent('Spacer', Spacer);\n\n  /**\n   * Spacer specifically meant to be used as an insertion point for new plugins, etc.\n   *\n   * @extends Spacer\n   */\n\n  var CustomControlSpacer = /*#__PURE__*/function (_Spacer) {\n    inheritsLoose(CustomControlSpacer, _Spacer);\n\n    function CustomControlSpacer() {\n      return _Spacer.apply(this, arguments) || this;\n    }\n\n    var _proto = CustomControlSpacer.prototype;\n\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-custom-control-spacer \" + _Spacer.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var el = _Spacer.prototype.createEl.call(this, {\n        className: this.buildCSSClass()\n      }); // No-flex/table-cell mode requires there be some content\n      // in the cell to fill the remaining space of the table.\n\n\n      el.innerHTML = \"\\xA0\";\n      return el;\n    };\n\n    return CustomControlSpacer;\n  }(Spacer);\n\n  Component.registerComponent('CustomControlSpacer', CustomControlSpacer);\n\n  /**\n   * Container of main controls.\n   *\n   * @extends Component\n   */\n\n  var ControlBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ControlBar, _Component);\n\n    function ControlBar() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = ControlBar.prototype;\n\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-control-bar',\n        dir: 'ltr'\n      });\n    };\n\n    return ControlBar;\n  }(Component);\n  /**\n   * Default options for `ControlBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ControlBar.prototype.options_ = {\n    children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'seekToLive', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']\n  };\n\n  if ('exitPictureInPicture' in document) {\n    ControlBar.prototype.options_.children.splice(ControlBar.prototype.options_.children.length - 1, 0, 'pictureInPictureToggle');\n  }\n\n  Component.registerComponent('ControlBar', ControlBar);\n\n  /**\n   * A display that indicates an error has occurred. This means that the video\n   * is unplayable.\n   *\n   * @extends ModalDialog\n   */\n\n  var ErrorDisplay = /*#__PURE__*/function (_ModalDialog) {\n    inheritsLoose(ErrorDisplay, _ModalDialog);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param  {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param  {Object} [options]\n     *         The key/value store of player options.\n     */\n    function ErrorDisplay(player, options) {\n      var _this;\n\n      _this = _ModalDialog.call(this, player, options) || this;\n\n      _this.on(player, 'error', _this.open);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     *\n     * @deprecated Since version 5.\n     */\n\n\n    var _proto = ErrorDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-error-display \" + _ModalDialog.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Gets the localized error message based on the `Player`s error.\n     *\n     * @return {string}\n     *         The `Player`s error message localized or an empty string.\n     */\n    ;\n\n    _proto.content = function content() {\n      var error = this.player().error();\n      return error ? this.localize(error.message) : '';\n    };\n\n    return ErrorDisplay;\n  }(ModalDialog);\n  /**\n   * The default options for an `ErrorDisplay`.\n   *\n   * @private\n   */\n\n\n  ErrorDisplay.prototype.options_ = _extends_1({}, ModalDialog.prototype.options_, {\n    pauseOnOpen: false,\n    fillAlways: true,\n    temporary: false,\n    uncloseable: true\n  });\n  Component.registerComponent('ErrorDisplay', ErrorDisplay);\n\n  var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';\n  var COLOR_BLACK = ['#000', 'Black'];\n  var COLOR_BLUE = ['#00F', 'Blue'];\n  var COLOR_CYAN = ['#0FF', 'Cyan'];\n  var COLOR_GREEN = ['#0F0', 'Green'];\n  var COLOR_MAGENTA = ['#F0F', 'Magenta'];\n  var COLOR_RED = ['#F00', 'Red'];\n  var COLOR_WHITE = ['#FFF', 'White'];\n  var COLOR_YELLOW = ['#FF0', 'Yellow'];\n  var OPACITY_OPAQUE = ['1', 'Opaque'];\n  var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];\n  var OPACITY_TRANS = ['0', 'Transparent']; // Configuration for the various <select> elements in the DOM of this component.\n  //\n  // Possible keys include:\n  //\n  // `default`:\n  //   The default option index. Only needs to be provided if not zero.\n  // `parser`:\n  //   A function which is used to parse the value from the selected option in\n  //   a customized way.\n  // `selector`:\n  //   The selector used to find the associated <select> element.\n\n  var selectConfigs = {\n    backgroundColor: {\n      selector: '.vjs-bg-color > select',\n      id: 'captions-background-color-%s',\n      label: 'Color',\n      options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]\n    },\n    backgroundOpacity: {\n      selector: '.vjs-bg-opacity > select',\n      id: 'captions-background-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]\n    },\n    color: {\n      selector: '.vjs-fg-color > select',\n      id: 'captions-foreground-color-%s',\n      label: 'Color',\n      options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]\n    },\n    edgeStyle: {\n      selector: '.vjs-edge-style > select',\n      id: '%s',\n      label: 'Text Edge Style',\n      options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]\n    },\n    fontFamily: {\n      selector: '.vjs-font-family > select',\n      id: 'captions-font-family-%s',\n      label: 'Font Family',\n      options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]\n    },\n    fontPercent: {\n      selector: '.vjs-font-percent > select',\n      id: 'captions-font-size-%s',\n      label: 'Font Size',\n      options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],\n      \"default\": 2,\n      parser: function parser(v) {\n        return v === '1.00' ? null : Number(v);\n      }\n    },\n    textOpacity: {\n      selector: '.vjs-text-opacity > select',\n      id: 'captions-foreground-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_OPAQUE, OPACITY_SEMI]\n    },\n    // Options for this object are defined below.\n    windowColor: {\n      selector: '.vjs-window-color > select',\n      id: 'captions-window-color-%s',\n      label: 'Color'\n    },\n    // Options for this object are defined below.\n    windowOpacity: {\n      selector: '.vjs-window-opacity > select',\n      id: 'captions-window-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]\n    }\n  };\n  selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;\n  /**\n   * Get the actual value of an option.\n   *\n   * @param  {string} value\n   *         The value to get\n   *\n   * @param  {Function} [parser]\n   *         Optional function to adjust the value.\n   *\n   * @return {Mixed}\n   *         - Will be `undefined` if no value exists\n   *         - Will be `undefined` if the given value is \"none\".\n   *         - Will be the actual value otherwise.\n   *\n   * @private\n   */\n\n  function parseOptionValue(value, parser) {\n    if (parser) {\n      value = parser(value);\n    }\n\n    if (value && value !== 'none') {\n      return value;\n    }\n  }\n  /**\n   * Gets the value of the selected <option> element within a <select> element.\n   *\n   * @param  {Element} el\n   *         the element to look in\n   *\n   * @param  {Function} [parser]\n   *         Optional function to adjust the value.\n   *\n   * @return {Mixed}\n   *         - Will be `undefined` if no value exists\n   *         - Will be `undefined` if the given value is \"none\".\n   *         - Will be the actual value otherwise.\n   *\n   * @private\n   */\n\n\n  function getSelectedOptionValue(el, parser) {\n    var value = el.options[el.options.selectedIndex].value;\n    return parseOptionValue(value, parser);\n  }\n  /**\n   * Sets the selected <option> element within a <select> element based on a\n   * given value.\n   *\n   * @param {Element} el\n   *        The element to look in.\n   *\n   * @param {string} value\n   *        the property to look on.\n   *\n   * @param {Function} [parser]\n   *        Optional function to adjust the value before comparing.\n   *\n   * @private\n   */\n\n\n  function setSelectedOption(el, value, parser) {\n    if (!value) {\n      return;\n    }\n\n    for (var i = 0; i < el.options.length; i++) {\n      if (parseOptionValue(el.options[i].value, parser) === value) {\n        el.selectedIndex = i;\n        break;\n      }\n    }\n  }\n  /**\n   * Manipulate Text Tracks settings.\n   *\n   * @extends ModalDialog\n   */\n\n\n  var TextTrackSettings = /*#__PURE__*/function (_ModalDialog) {\n    inheritsLoose(TextTrackSettings, _ModalDialog);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *         The key/value store of player options.\n     */\n    function TextTrackSettings(player, options) {\n      var _this;\n\n      options.temporary = false;\n      _this = _ModalDialog.call(this, player, options) || this;\n      _this.updateDisplay = bind(assertThisInitialized(_this), _this.updateDisplay); // fill the modal and pretend we have opened it\n\n      _this.fill();\n\n      _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;\n      _this.endDialog = createEl('p', {\n        className: 'vjs-control-text',\n        textContent: _this.localize('End of dialog window.')\n      });\n\n      _this.el().appendChild(_this.endDialog);\n\n      _this.setDefaults(); // Grab `persistTextTrackSettings` from the player options if not passed in child options\n\n\n      if (options.persistTextTrackSettings === undefined) {\n        _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;\n      }\n\n      _this.on(_this.$('.vjs-done-button'), 'click', function () {\n        _this.saveSettings();\n\n        _this.close();\n      });\n\n      _this.on(_this.$('.vjs-default-button'), 'click', function () {\n        _this.setDefaults();\n\n        _this.updateDisplay();\n      });\n\n      each(selectConfigs, function (config) {\n        _this.on(_this.$(config.selector), 'change', _this.updateDisplay);\n      });\n\n      if (_this.options_.persistTextTrackSettings) {\n        _this.restoreSettings();\n      }\n\n      return _this;\n    }\n\n    var _proto = TextTrackSettings.prototype;\n\n    _proto.dispose = function dispose() {\n      this.endDialog = null;\n\n      _ModalDialog.prototype.dispose.call(this);\n    }\n    /**\n     * Create a <select> element with configured options.\n     *\n     * @param {string} key\n     *        Configuration key to use during creation.\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElSelect_ = function createElSelect_(key, legendId, type) {\n      var _this2 = this;\n\n      if (legendId === void 0) {\n        legendId = '';\n      }\n\n      if (type === void 0) {\n        type = 'label';\n      }\n\n      var config = selectConfigs[key];\n      var id = config.id.replace('%s', this.id_);\n      var selectLabelledbyIds = [legendId, id].join(' ').trim();\n      return [\"<\" + type + \" id=\\\"\" + id + \"\\\" class=\\\"\" + (type === 'label' ? 'vjs-label' : '') + \"\\\">\", this.localize(config.label), \"</\" + type + \">\", \"<select aria-labelledby=\\\"\" + selectLabelledbyIds + \"\\\">\"].concat(config.options.map(function (o) {\n        var optionId = id + '-' + o[1].replace(/\\W+/g, '');\n        return [\"<option id=\\\"\" + optionId + \"\\\" value=\\\"\" + o[0] + \"\\\" \", \"aria-labelledby=\\\"\" + selectLabelledbyIds + \" \" + optionId + \"\\\">\", _this2.localize(o[1]), '</option>'].join('');\n      })).concat('</select>').join('');\n    }\n    /**\n     * Create foreground color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElFgColor_ = function createElFgColor_() {\n      var legendId = \"captions-text-legend-\" + this.id_;\n      return ['<fieldset class=\"vjs-fg-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class=\"vjs-text-opacity vjs-opacity\">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create background color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElBgColor_ = function createElBgColor_() {\n      var legendId = \"captions-background-\" + this.id_;\n      return ['<fieldset class=\"vjs-bg-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class=\"vjs-bg-opacity vjs-opacity\">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create window color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElWinColor_ = function createElWinColor_() {\n      var legendId = \"captions-window-\" + this.id_;\n      return ['<fieldset class=\"vjs-window-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class=\"vjs-window-opacity vjs-opacity\">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create color elements for the component\n     *\n     * @return {Element}\n     *         The element that was created\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElColors_ = function createElColors_() {\n      return createEl('div', {\n        className: 'vjs-track-settings-colors',\n        innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')\n      });\n    }\n    /**\n     * Create font elements for the component\n     *\n     * @return {Element}\n     *         The element that was created.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElFont_ = function createElFont_() {\n      return createEl('div', {\n        className: 'vjs-track-settings-font',\n        innerHTML: ['<fieldset class=\"vjs-font-percent vjs-track-setting\">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class=\"vjs-edge-style vjs-track-setting\">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class=\"vjs-font-family vjs-track-setting\">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')\n      });\n    }\n    /**\n     * Create controls for the component\n     *\n     * @return {Element}\n     *         The element that was created.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElControls_ = function createElControls_() {\n      var defaultsDescription = this.localize('restore all settings to the default values');\n      return createEl('div', {\n        className: 'vjs-track-settings-controls',\n        innerHTML: [\"<button type=\\\"button\\\" class=\\\"vjs-default-button\\\" title=\\\"\" + defaultsDescription + \"\\\">\", this.localize('Reset'), \"<span class=\\\"vjs-control-text\\\"> \" + defaultsDescription + \"</span>\", '</button>', \"<button type=\\\"button\\\" class=\\\"vjs-done-button\\\">\" + this.localize('Done') + \"</button>\"].join('')\n      });\n    };\n\n    _proto.content = function content() {\n      return [this.createElColors_(), this.createElFont_(), this.createElControls_()];\n    };\n\n    _proto.label = function label() {\n      return this.localize('Caption Settings Dialog');\n    };\n\n    _proto.description = function description() {\n      return this.localize('Beginning of dialog window. Escape will cancel and close the window.');\n    };\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';\n    }\n    /**\n     * Gets an object of text track settings (or null).\n     *\n     * @return {Object}\n     *         An object with config values parsed from the DOM or localStorage.\n     */\n    ;\n\n    _proto.getValues = function getValues() {\n      var _this3 = this;\n\n      return reduce(selectConfigs, function (accum, config, key) {\n        var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);\n\n        if (value !== undefined) {\n          accum[key] = value;\n        }\n\n        return accum;\n      }, {});\n    }\n    /**\n     * Sets text track settings from an object of values.\n     *\n     * @param {Object} values\n     *        An object with config values parsed from the DOM or localStorage.\n     */\n    ;\n\n    _proto.setValues = function setValues(values) {\n      var _this4 = this;\n\n      each(selectConfigs, function (config, key) {\n        setSelectedOption(_this4.$(config.selector), values[key], config.parser);\n      });\n    }\n    /**\n     * Sets all `<select>` elements to their default values.\n     */\n    ;\n\n    _proto.setDefaults = function setDefaults() {\n      var _this5 = this;\n\n      each(selectConfigs, function (config) {\n        var index = config.hasOwnProperty('default') ? config[\"default\"] : 0;\n        _this5.$(config.selector).selectedIndex = index;\n      });\n    }\n    /**\n     * Restore texttrack settings from localStorage\n     */\n    ;\n\n    _proto.restoreSettings = function restoreSettings() {\n      var values;\n\n      try {\n        values = JSON.parse(window$3.localStorage.getItem(LOCAL_STORAGE_KEY));\n      } catch (err) {\n        log.warn(err);\n      }\n\n      if (values) {\n        this.setValues(values);\n      }\n    }\n    /**\n     * Save text track settings to localStorage\n     */\n    ;\n\n    _proto.saveSettings = function saveSettings() {\n      if (!this.options_.persistTextTrackSettings) {\n        return;\n      }\n\n      var values = this.getValues();\n\n      try {\n        if (Object.keys(values).length) {\n          window$3.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));\n        } else {\n          window$3.localStorage.removeItem(LOCAL_STORAGE_KEY);\n        }\n      } catch (err) {\n        log.warn(err);\n      }\n    }\n    /**\n     * Update display of text track settings\n     */\n    ;\n\n    _proto.updateDisplay = function updateDisplay() {\n      var ttDisplay = this.player_.getChild('textTrackDisplay');\n\n      if (ttDisplay) {\n        ttDisplay.updateDisplay();\n      }\n    }\n    /**\n     * conditionally blur the element and refocus the captions button\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalBlur_ = function conditionalBlur_() {\n      this.previouslyActiveEl_ = null;\n      var cb = this.player_.controlBar;\n      var subsCapsBtn = cb && cb.subsCapsButton;\n      var ccBtn = cb && cb.captionsButton;\n\n      if (subsCapsBtn) {\n        subsCapsBtn.focus();\n      } else if (ccBtn) {\n        ccBtn.focus();\n      }\n    };\n\n    return TextTrackSettings;\n  }(ModalDialog);\n\n  Component.registerComponent('TextTrackSettings', TextTrackSettings);\n\n  /**\n   * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.\n   *\n   * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.\n   *\n   * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.\n   * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.\n   * @example <caption>How to disable the resize manager</caption>\n   * const player = videojs('#vid', {\n   *   resizeManager: false\n   * });\n   *\n   * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}\n   *\n   * @extends Component\n   */\n\n  var ResizeManager = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ResizeManager, _Component);\n\n    /**\n     * Create the ResizeManager.\n     *\n     * @param {Object} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of ResizeManager options.\n     *\n     * @param {Object} [options.ResizeObserver]\n     *        A polyfill for ResizeObserver can be passed in here.\n     *        If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.\n     */\n    function ResizeManager(player, options) {\n      var _this;\n\n      var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window$3.ResizeObserver; // if `null` was passed, we want to disable the ResizeObserver\n\n      if (options.ResizeObserver === null) {\n        RESIZE_OBSERVER_AVAILABLE = false;\n      } // Only create an element when ResizeObserver isn't available\n\n\n      var options_ = mergeOptions({\n        createEl: !RESIZE_OBSERVER_AVAILABLE,\n        reportTouchActivity: false\n      }, options);\n      _this = _Component.call(this, player, options_) || this;\n      _this.ResizeObserver = options.ResizeObserver || window$3.ResizeObserver;\n      _this.loadListener_ = null;\n      _this.resizeObserver_ = null;\n      _this.debouncedHandler_ = debounce(function () {\n        _this.resizeHandler();\n      }, 100, false, assertThisInitialized(_this));\n\n      if (RESIZE_OBSERVER_AVAILABLE) {\n        _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);\n\n        _this.resizeObserver_.observe(player.el());\n      } else {\n        _this.loadListener_ = function () {\n          if (!_this.el_ || !_this.el_.contentWindow) {\n            return;\n          }\n\n          var debouncedHandler_ = _this.debouncedHandler_;\n\n          var unloadListener_ = _this.unloadListener_ = function () {\n            off(this, 'resize', debouncedHandler_);\n            off(this, 'unload', unloadListener_);\n            unloadListener_ = null;\n          }; // safari and edge can unload the iframe before resizemanager dispose\n          // we have to dispose of event handlers correctly before that happens\n\n\n          on(_this.el_.contentWindow, 'unload', unloadListener_);\n          on(_this.el_.contentWindow, 'resize', debouncedHandler_);\n        };\n\n        _this.one('load', _this.loadListener_);\n      }\n\n      return _this;\n    }\n\n    var _proto = ResizeManager.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'iframe', {\n        className: 'vjs-resize-manager',\n        tabIndex: -1\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver\n     *\n     * @fires Player#playerresize\n     */\n    ;\n\n    _proto.resizeHandler = function resizeHandler() {\n      /**\n       * Called when the player size has changed\n       *\n       * @event Player#playerresize\n       * @type {EventTarget~Event}\n       */\n      // make sure player is still around to trigger\n      // prevents this from causing an error after dispose\n      if (!this.player_ || !this.player_.trigger) {\n        return;\n      }\n\n      this.player_.trigger('playerresize');\n    };\n\n    _proto.dispose = function dispose() {\n      if (this.debouncedHandler_) {\n        this.debouncedHandler_.cancel();\n      }\n\n      if (this.resizeObserver_) {\n        if (this.player_.el()) {\n          this.resizeObserver_.unobserve(this.player_.el());\n        }\n\n        this.resizeObserver_.disconnect();\n      }\n\n      if (this.loadListener_) {\n        this.off('load', this.loadListener_);\n      }\n\n      if (this.el_ && this.el_.contentWindow && this.unloadListener_) {\n        this.unloadListener_.call(this.el_.contentWindow);\n      }\n\n      this.ResizeObserver = null;\n      this.resizeObserver = null;\n      this.debouncedHandler_ = null;\n      this.loadListener_ = null;\n\n      _Component.prototype.dispose.call(this);\n    };\n\n    return ResizeManager;\n  }(Component);\n\n  Component.registerComponent('ResizeManager', ResizeManager);\n\n  /**\n   * Computes the median of an array.\n   *\n   * @param {number[]} arr\n   *        Input array of numbers.\n   *\n   * @return {number}\n   *        Median value.\n   */\n  var median = function median(arr) {\n    var mid = Math.floor(arr.length / 2);\n    var sortedList = [].concat(arr).sort(function (a, b) {\n      return a - b;\n    });\n    return arr.length % 2 !== 0 ? sortedList[mid] : (sortedList[mid - 1] + sortedList[mid]) / 2;\n  };\n\n  var defaults = {\n    // Number of seconds of live window (seekableEnd - seekableStart) that\n    // a video needs to have before the liveui will be shown.\n    trackingThreshold: 30\n  };\n  /* track when we are at the live edge, and other helpers for live playback */\n\n  var LiveTracker = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LiveTracker, _Component);\n\n    function LiveTracker(player, options) {\n      var _this;\n\n      // LiveTracker does not need an element\n      var options_ = mergeOptions(defaults, options, {\n        createEl: false\n      });\n      _this = _Component.call(this, player, options_) || this;\n\n      _this.reset_();\n\n      _this.on(_this.player_, 'durationchange', _this.handleDurationchange); // we don't need to track live playback if the document is hidden,\n      // also, tracking when the document is hidden can\n      // cause the CPU to spike and eventually crash the page on IE11.\n\n\n      if (IE_VERSION && 'hidden' in document && 'visibilityState' in document) {\n        _this.on(document, 'visibilitychange', _this.handleVisibilityChange);\n      }\n\n      return _this;\n    }\n\n    var _proto = LiveTracker.prototype;\n\n    _proto.handleVisibilityChange = function handleVisibilityChange() {\n      if (this.player_.duration() !== Infinity) {\n        return;\n      }\n\n      if (document.hidden) {\n        this.stopTracking();\n      } else {\n        this.startTracking();\n      }\n    };\n\n    _proto.isBehind_ = function isBehind_() {\n      // don't report that we are behind until a timeupdate has been seen\n      if (!this.timeupdateSeen_) {\n        return false;\n      }\n\n      var liveCurrentTime = this.liveCurrentTime();\n      var currentTime = this.player_.currentTime(); // the live edge window is the amount of seconds away from live\n      // that a player can be, but still be considered live.\n      // we add 0.07 because the live tracking happens every 30ms\n      // and we want some wiggle room for short segment live playback\n\n      var liveEdgeWindow = this.seekableIncrement_ * 2 + 0.07; // on Android liveCurrentTime can bee Infinity, because seekableEnd\n      // can be Infinity, so we handle that case.\n\n      return liveCurrentTime !== Infinity && liveCurrentTime - liveEdgeWindow >= currentTime;\n    } // all the functionality for tracking when seek end changes\n    // and for tracking how far past seek end we should be\n    ;\n\n    _proto.trackLive_ = function trackLive_() {\n      this.pastSeekEnd_ = this.pastSeekEnd_;\n      var seekable = this.player_.seekable(); // skip undefined seekable\n\n      if (!seekable || !seekable.length) {\n        return;\n      }\n\n      var newSeekEnd = this.seekableEnd(); // we can only tell if we are behind live, when seekable changes\n      // once we detect that seekable has changed we check the new seek\n      // end against current time, with a fudge value of half a second.\n\n      if (newSeekEnd !== this.lastSeekEnd_) {\n        if (this.lastSeekEnd_) {\n          // we try to get the best fit value for the seeking increment\n          // variable from the last 12 values.\n          this.seekableIncrementList_ = this.seekableIncrementList_.slice(-11);\n          this.seekableIncrementList_.push(Math.abs(newSeekEnd - this.lastSeekEnd_));\n\n          if (this.seekableIncrementList_.length > 3) {\n            this.seekableIncrement_ = median(this.seekableIncrementList_);\n          }\n        }\n\n        this.pastSeekEnd_ = 0;\n        this.lastSeekEnd_ = newSeekEnd;\n        this.trigger('seekableendchange');\n      } // we should reset pastSeekEnd when the value\n      // is much higher than seeking increment.\n\n\n      if (this.pastSeekEnd() > this.seekableIncrement_ * 1.5) {\n        this.pastSeekEnd_ = 0;\n      } else {\n        this.pastSeekEnd_ = this.pastSeekEnd() + 0.03;\n      }\n\n      if (this.isBehind_() !== this.behindLiveEdge()) {\n        this.behindLiveEdge_ = this.isBehind_();\n        this.trigger('liveedgechange');\n      }\n    }\n    /**\n     * handle a durationchange event on the player\n     * and start/stop tracking accordingly.\n     */\n    ;\n\n    _proto.handleDurationchange = function handleDurationchange() {\n      if (this.player_.duration() === Infinity && this.liveWindow() >= this.options_.trackingThreshold) {\n        if (this.player_.options_.liveui) {\n          this.player_.addClass('vjs-liveui');\n        }\n\n        this.startTracking();\n      } else {\n        this.player_.removeClass('vjs-liveui');\n        this.stopTracking();\n      }\n    }\n    /**\n     * start tracking live playback\n     */\n    ;\n\n    _proto.startTracking = function startTracking() {\n      var _this2 = this;\n\n      if (this.isTracking()) {\n        return;\n      } // If we haven't seen a timeupdate, we need to check whether playback\n      // began before this component started tracking. This can happen commonly\n      // when using autoplay.\n\n\n      if (!this.timeupdateSeen_) {\n        this.timeupdateSeen_ = this.player_.hasStarted();\n      }\n\n      this.trackingInterval_ = this.setInterval(this.trackLive_, UPDATE_REFRESH_INTERVAL);\n      this.trackLive_();\n      this.on(this.player_, 'play', this.trackLive_);\n      this.on(this.player_, 'pause', this.trackLive_); // this is to prevent showing that we are not live\n      // before a video starts to play\n\n      if (!this.timeupdateSeen_) {\n        this.one(this.player_, 'play', this.handlePlay);\n\n        this.handleTimeupdate = function () {\n          _this2.timeupdateSeen_ = true;\n          _this2.handleTimeupdate = null;\n        };\n\n        this.one(this.player_, 'timeupdate', this.handleTimeupdate);\n      }\n    };\n\n    _proto.handlePlay = function handlePlay() {\n      this.one(this.player_, 'timeupdate', this.seekToLiveEdge);\n    }\n    /**\n     * Stop tracking, and set all internal variables to\n     * their initial value.\n     */\n    ;\n\n    _proto.reset_ = function reset_() {\n      this.pastSeekEnd_ = 0;\n      this.lastSeekEnd_ = null;\n      this.behindLiveEdge_ = null;\n      this.timeupdateSeen_ = false;\n      this.clearInterval(this.trackingInterval_);\n      this.trackingInterval_ = null;\n      this.seekableIncrement_ = 12;\n      this.seekableIncrementList_ = [];\n      this.off(this.player_, 'play', this.trackLive_);\n      this.off(this.player_, 'pause', this.trackLive_);\n      this.off(this.player_, 'play', this.handlePlay);\n      this.off(this.player_, 'timeupdate', this.seekToLiveEdge);\n\n      if (this.handleTimeupdate) {\n        this.off(this.player_, 'timeupdate', this.handleTimeupdate);\n        this.handleTimeupdate = null;\n      }\n    }\n    /**\n     * stop tracking live playback\n     */\n    ;\n\n    _proto.stopTracking = function stopTracking() {\n      if (!this.isTracking()) {\n        return;\n      }\n\n      this.reset_();\n    }\n    /**\n     * A helper to get the player seekable end\n     * so that we don't have to null check everywhere\n     */\n    ;\n\n    _proto.seekableEnd = function seekableEnd() {\n      var seekable = this.player_.seekable();\n      var seekableEnds = [];\n      var i = seekable ? seekable.length : 0;\n\n      while (i--) {\n        seekableEnds.push(seekable.end(i));\n      } // grab the furthest seekable end after sorting, or if there are none\n      // default to Infinity\n\n\n      return seekableEnds.length ? seekableEnds.sort()[seekableEnds.length - 1] : Infinity;\n    }\n    /**\n     * A helper to get the player seekable start\n     * so that we don't have to null check everywhere\n     */\n    ;\n\n    _proto.seekableStart = function seekableStart() {\n      var seekable = this.player_.seekable();\n      var seekableStarts = [];\n      var i = seekable ? seekable.length : 0;\n\n      while (i--) {\n        seekableStarts.push(seekable.start(i));\n      } // grab the first seekable start after sorting, or if there are none\n      // default to 0\n\n\n      return seekableStarts.length ? seekableStarts.sort()[0] : 0;\n    }\n    /**\n     * Get the live time window\n     */\n    ;\n\n    _proto.liveWindow = function liveWindow() {\n      var liveCurrentTime = this.liveCurrentTime();\n\n      if (liveCurrentTime === Infinity) {\n        return Infinity;\n      }\n\n      return liveCurrentTime - this.seekableStart();\n    }\n    /**\n     * Determines if the player is live, only checks if this component\n     * is tracking live playback or not\n     */\n    ;\n\n    _proto.isLive = function isLive() {\n      return this.isTracking();\n    }\n    /**\n     * Determines if currentTime is at the live edge and won't fall behind\n     * on each seekableendchange\n     */\n    ;\n\n    _proto.atLiveEdge = function atLiveEdge() {\n      return !this.behindLiveEdge();\n    }\n    /**\n     * get what we expect the live current time to be\n     */\n    ;\n\n    _proto.liveCurrentTime = function liveCurrentTime() {\n      return this.pastSeekEnd() + this.seekableEnd();\n    }\n    /**\n     * Returns how far past seek end we expect current time to be\n     */\n    ;\n\n    _proto.pastSeekEnd = function pastSeekEnd() {\n      return this.pastSeekEnd_;\n    }\n    /**\n     * If we are currently behind the live edge, aka currentTime will be\n     * behind on a seekableendchange\n     */\n    ;\n\n    _proto.behindLiveEdge = function behindLiveEdge() {\n      return this.behindLiveEdge_;\n    };\n\n    _proto.isTracking = function isTracking() {\n      return typeof this.trackingInterval_ === 'number';\n    }\n    /**\n     * Seek to the live edge if we are behind the live edge\n     */\n    ;\n\n    _proto.seekToLiveEdge = function seekToLiveEdge() {\n      if (this.atLiveEdge()) {\n        return;\n      }\n\n      this.player_.currentTime(this.liveCurrentTime());\n\n      if (this.player_.paused()) {\n        this.player_.play();\n      }\n    };\n\n    _proto.dispose = function dispose() {\n      this.stopTracking();\n\n      _Component.prototype.dispose.call(this);\n    };\n\n    return LiveTracker;\n  }(Component);\n\n  Component.registerComponent('LiveTracker', LiveTracker);\n\n  /**\n   * This function is used to fire a sourceset when there is something\n   * similar to `mediaEl.load()` being called. It will try to find the source via\n   * the `src` attribute and then the `<source>` elements. It will then fire `sourceset`\n   * with the source that was found or empty string if we cannot know. If it cannot\n   * find a source then `sourceset` will not be fired.\n   *\n   * @param {Html5} tech\n   *        The tech object that sourceset was setup on\n   *\n   * @return {boolean}\n   *         returns false if the sourceset was not fired and true otherwise.\n   */\n\n  var sourcesetLoad = function sourcesetLoad(tech) {\n    var el = tech.el(); // if `el.src` is set, that source will be loaded.\n\n    if (el.hasAttribute('src')) {\n      tech.triggerSourceset(el.src);\n      return true;\n    }\n    /**\n     * Since there isn't a src property on the media element, source elements will be used for\n     * implementing the source selection algorithm. This happens asynchronously and\n     * for most cases were there is more than one source we cannot tell what source will\n     * be loaded, without re-implementing the source selection algorithm. At this time we are not\n     * going to do that. There are three special cases that we do handle here though:\n     *\n     * 1. If there are no sources, do not fire `sourceset`.\n     * 2. If there is only one `<source>` with a `src` property/attribute that is our `src`\n     * 3. If there is more than one `<source>` but all of them have the same `src` url.\n     *    That will be our src.\n     */\n\n\n    var sources = tech.$$('source');\n    var srcUrls = [];\n    var src = ''; // if there are no sources, do not fire sourceset\n\n    if (!sources.length) {\n      return false;\n    } // only count valid/non-duplicate source elements\n\n\n    for (var i = 0; i < sources.length; i++) {\n      var url = sources[i].src;\n\n      if (url && srcUrls.indexOf(url) === -1) {\n        srcUrls.push(url);\n      }\n    } // there were no valid sources\n\n\n    if (!srcUrls.length) {\n      return false;\n    } // there is only one valid source element url\n    // use that\n\n\n    if (srcUrls.length === 1) {\n      src = srcUrls[0];\n    }\n\n    tech.triggerSourceset(src);\n    return true;\n  };\n  /**\n   * our implementation of an `innerHTML` descriptor for browsers\n   * that do not have one.\n   */\n\n\n  var innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', {\n    get: function get() {\n      return this.cloneNode(true).innerHTML;\n    },\n    set: function set(v) {\n      // make a dummy node to use innerHTML on\n      var dummy = document.createElement(this.nodeName.toLowerCase()); // set innerHTML to the value provided\n\n      dummy.innerHTML = v; // make a document fragment to hold the nodes from dummy\n\n      var docFrag = document.createDocumentFragment(); // copy all of the nodes created by the innerHTML on dummy\n      // to the document fragment\n\n      while (dummy.childNodes.length) {\n        docFrag.appendChild(dummy.childNodes[0]);\n      } // remove content\n\n\n      this.innerText = ''; // now we add all of that html in one by appending the\n      // document fragment. This is how innerHTML does it.\n\n      window$3.Element.prototype.appendChild.call(this, docFrag); // then return the result that innerHTML's setter would\n\n      return this.innerHTML;\n    }\n  });\n  /**\n   * Get a property descriptor given a list of priorities and the\n   * property to get.\n   */\n\n  var getDescriptor = function getDescriptor(priority, prop) {\n    var descriptor = {};\n\n    for (var i = 0; i < priority.length; i++) {\n      descriptor = Object.getOwnPropertyDescriptor(priority[i], prop);\n\n      if (descriptor && descriptor.set && descriptor.get) {\n        break;\n      }\n    }\n\n    descriptor.enumerable = true;\n    descriptor.configurable = true;\n    return descriptor;\n  };\n\n  var getInnerHTMLDescriptor = function getInnerHTMLDescriptor(tech) {\n    return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, window$3.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML');\n  };\n  /**\n   * Patches browser internal functions so that we can tell synchronously\n   * if a `<source>` was appended to the media element. For some reason this\n   * causes a `sourceset` if the the media element is ready and has no source.\n   * This happens when:\n   * - The page has just loaded and the media element does not have a source.\n   * - The media element was emptied of all sources, then `load()` was called.\n   *\n   * It does this by patching the following functions/properties when they are supported:\n   *\n   * - `append()` - can be used to add a `<source>` element to the media element\n   * - `appendChild()` - can be used to add a `<source>` element to the media element\n   * - `insertAdjacentHTML()` -  can be used to add a `<source>` element to the media element\n   * - `innerHTML` -  can be used to add a `<source>` element to the media element\n   *\n   * @param {Html5} tech\n   *        The tech object that sourceset is being setup on.\n   */\n\n\n  var firstSourceWatch = function firstSourceWatch(tech) {\n    var el = tech.el(); // make sure firstSourceWatch isn't setup twice.\n\n    if (el.resetSourceWatch_) {\n      return;\n    }\n\n    var old = {};\n    var innerDescriptor = getInnerHTMLDescriptor(tech);\n\n    var appendWrapper = function appendWrapper(appendFn) {\n      return function () {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        var retval = appendFn.apply(el, args);\n        sourcesetLoad(tech);\n        return retval;\n      };\n    };\n\n    ['append', 'appendChild', 'insertAdjacentHTML'].forEach(function (k) {\n      if (!el[k]) {\n        return;\n      } // store the old function\n\n\n      old[k] = el[k]; // call the old function with a sourceset if a source\n      // was loaded\n\n      el[k] = appendWrapper(old[k]);\n    });\n    Object.defineProperty(el, 'innerHTML', mergeOptions(innerDescriptor, {\n      set: appendWrapper(innerDescriptor.set)\n    }));\n\n    el.resetSourceWatch_ = function () {\n      el.resetSourceWatch_ = null;\n      Object.keys(old).forEach(function (k) {\n        el[k] = old[k];\n      });\n      Object.defineProperty(el, 'innerHTML', innerDescriptor);\n    }; // on the first sourceset, we need to revert our changes\n\n\n    tech.one('sourceset', el.resetSourceWatch_);\n  };\n  /**\n   * our implementation of a `src` descriptor for browsers\n   * that do not have one.\n   */\n\n\n  var srcDescriptorPolyfill = Object.defineProperty({}, 'src', {\n    get: function get() {\n      if (this.hasAttribute('src')) {\n        return getAbsoluteURL(window$3.Element.prototype.getAttribute.call(this, 'src'));\n      }\n\n      return '';\n    },\n    set: function set(v) {\n      window$3.Element.prototype.setAttribute.call(this, 'src', v);\n      return v;\n    }\n  });\n\n  var getSrcDescriptor = function getSrcDescriptor(tech) {\n    return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src');\n  };\n  /**\n   * setup `sourceset` handling on the `Html5` tech. This function\n   * patches the following element properties/functions:\n   *\n   * - `src` - to determine when `src` is set\n   * - `setAttribute()` - to determine when `src` is set\n   * - `load()` - this re-triggers the source selection algorithm, and can\n   *              cause a sourceset.\n   *\n   * If there is no source when we are adding `sourceset` support or during a `load()`\n   * we also patch the functions listed in `firstSourceWatch`.\n   *\n   * @param {Html5} tech\n   *        The tech to patch\n   */\n\n\n  var setupSourceset = function setupSourceset(tech) {\n    if (!tech.featuresSourceset) {\n      return;\n    }\n\n    var el = tech.el(); // make sure sourceset isn't setup twice.\n\n    if (el.resetSourceset_) {\n      return;\n    }\n\n    var srcDescriptor = getSrcDescriptor(tech);\n    var oldSetAttribute = el.setAttribute;\n    var oldLoad = el.load;\n    Object.defineProperty(el, 'src', mergeOptions(srcDescriptor, {\n      set: function set(v) {\n        var retval = srcDescriptor.set.call(el, v); // we use the getter here to get the actual value set on src\n\n        tech.triggerSourceset(el.src);\n        return retval;\n      }\n    }));\n\n    el.setAttribute = function (n, v) {\n      var retval = oldSetAttribute.call(el, n, v);\n\n      if (/src/i.test(n)) {\n        tech.triggerSourceset(el.src);\n      }\n\n      return retval;\n    };\n\n    el.load = function () {\n      var retval = oldLoad.call(el); // if load was called, but there was no source to fire\n      // sourceset on. We have to watch for a source append\n      // as that can trigger a `sourceset` when the media element\n      // has no source\n\n      if (!sourcesetLoad(tech)) {\n        tech.triggerSourceset('');\n        firstSourceWatch(tech);\n      }\n\n      return retval;\n    };\n\n    if (el.currentSrc) {\n      tech.triggerSourceset(el.currentSrc);\n    } else if (!sourcesetLoad(tech)) {\n      firstSourceWatch(tech);\n    }\n\n    el.resetSourceset_ = function () {\n      el.resetSourceset_ = null;\n      el.load = oldLoad;\n      el.setAttribute = oldSetAttribute;\n      Object.defineProperty(el, 'src', srcDescriptor);\n\n      if (el.resetSourceWatch_) {\n        el.resetSourceWatch_();\n      }\n    };\n  };\n\n  /**\n   * Object.defineProperty but \"lazy\", which means that the value is only set after\n   * it retrieved the first time, rather than being set right away.\n   *\n   * @param {Object} obj the object to set the property on\n   * @param {string} key the key for the property to set\n   * @param {Function} getValue the function used to get the value when it is needed.\n   * @param {boolean} setter wether a setter shoould be allowed or not\n   */\n  var defineLazyProperty = function defineLazyProperty(obj, key, getValue, setter) {\n    if (setter === void 0) {\n      setter = true;\n    }\n\n    var set = function set(value) {\n      return Object.defineProperty(obj, key, {\n        value: value,\n        enumerable: true,\n        writable: true\n      });\n    };\n\n    var options = {\n      configurable: true,\n      enumerable: true,\n      get: function get() {\n        var value = getValue();\n        set(value);\n        return value;\n      }\n    };\n\n    if (setter) {\n      options.set = set;\n    }\n\n    return Object.defineProperty(obj, key, options);\n  };\n\n  /**\n   * HTML5 Media Controller - Wrapper for HTML5 Media API\n   *\n   * @mixes Tech~SourceHandlerAdditions\n   * @extends Tech\n   */\n\n  var Html5 = /*#__PURE__*/function (_Tech) {\n    inheritsLoose(Html5, _Tech);\n\n    /**\n    * Create an instance of this Tech.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    *\n    * @param {Component~ReadyCallback} ready\n    *        Callback function to call when the `HTML5` Tech is ready.\n    */\n    function Html5(options, ready) {\n      var _this;\n\n      _this = _Tech.call(this, options, ready) || this;\n      var source = options.source;\n      var crossoriginTracks = false; // Set the source if one is provided\n      // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)\n      // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source\n      // anyway so the error gets fired.\n\n      if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {\n        _this.setSource(source);\n      } else {\n        _this.handleLateInit_(_this.el_);\n      } // setup sourceset after late sourceset/init\n\n\n      if (options.enableSourceset) {\n        _this.setupSourcesetHandling_();\n      }\n\n      if (_this.el_.hasChildNodes()) {\n        var nodes = _this.el_.childNodes;\n        var nodesLength = nodes.length;\n        var removeNodes = [];\n\n        while (nodesLength--) {\n          var node = nodes[nodesLength];\n          var nodeName = node.nodeName.toLowerCase();\n\n          if (nodeName === 'track') {\n            if (!_this.featuresNativeTextTracks) {\n              // Empty video tag tracks so the built-in player doesn't use them also.\n              // This may not be fast enough to stop HTML5 browsers from reading the tags\n              // so we'll need to turn off any default tracks if we're manually doing\n              // captions and subtitles. videoElement.textTracks\n              removeNodes.push(node);\n            } else {\n              // store HTMLTrackElement and TextTrack to remote list\n              _this.remoteTextTrackEls().addTrackElement_(node);\n\n              _this.remoteTextTracks().addTrack(node.track);\n\n              _this.textTracks().addTrack(node.track);\n\n              if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {\n                crossoriginTracks = true;\n              }\n            }\n          }\n        }\n\n        for (var i = 0; i < removeNodes.length; i++) {\n          _this.el_.removeChild(removeNodes[i]);\n        }\n      }\n\n      _this.proxyNativeTracks_();\n\n      if (_this.featuresNativeTextTracks && crossoriginTracks) {\n        log.warn('Text Tracks are being loaded from another origin but the crossorigin attribute isn\\'t used.\\n' + 'This may prevent text tracks from loading.');\n      } // prevent iOS Safari from disabling metadata text tracks during native playback\n\n\n      _this.restoreMetadataTracksInIOSNativePlayer_(); // Determine if native controls should be used\n      // Our goal should be to get the custom controls on mobile solid everywhere\n      // so we can remove this all together. Right now this will block custom\n      // controls on touch enabled laptops like the Chrome Pixel\n\n\n      if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {\n        _this.setControls(true);\n      } // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`\n      // into a `fullscreenchange` event\n\n\n      _this.proxyWebkitFullscreen_();\n\n      _this.triggerReady();\n\n      return _this;\n    }\n    /**\n     * Dispose of `HTML5` media element and remove all tracks.\n     */\n\n\n    var _proto = Html5.prototype;\n\n    _proto.dispose = function dispose() {\n      if (this.el_ && this.el_.resetSourceset_) {\n        this.el_.resetSourceset_();\n      }\n\n      Html5.disposeMediaElement(this.el_);\n      this.options_ = null; // tech will handle clearing of the emulated track list\n\n      _Tech.prototype.dispose.call(this);\n    }\n    /**\n     * Modify the media element so that we can detect when\n     * the source is changed. Fires `sourceset` just after the source has changed\n     */\n    ;\n\n    _proto.setupSourcesetHandling_ = function setupSourcesetHandling_() {\n      setupSourceset(this);\n    }\n    /**\n     * When a captions track is enabled in the iOS Safari native player, all other\n     * tracks are disabled (including metadata tracks), which nulls all of their\n     * associated cue points. This will restore metadata tracks to their pre-fullscreen\n     * state in those cases so that cue points are not needlessly lost.\n     *\n     * @private\n     */\n    ;\n\n    _proto.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {\n      var textTracks = this.textTracks();\n      var metadataTracksPreFullscreenState; // captures a snapshot of every metadata track's current state\n\n      var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {\n        metadataTracksPreFullscreenState = [];\n\n        for (var i = 0; i < textTracks.length; i++) {\n          var track = textTracks[i];\n\n          if (track.kind === 'metadata') {\n            metadataTracksPreFullscreenState.push({\n              track: track,\n              storedMode: track.mode\n            });\n          }\n        }\n      }; // snapshot each metadata track's initial state, and update the snapshot\n      // each time there is a track 'change' event\n\n\n      takeMetadataTrackSnapshot();\n      textTracks.addEventListener('change', takeMetadataTrackSnapshot);\n      this.on('dispose', function () {\n        return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);\n      });\n\n      var restoreTrackMode = function restoreTrackMode() {\n        for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {\n          var storedTrack = metadataTracksPreFullscreenState[i];\n\n          if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {\n            storedTrack.track.mode = storedTrack.storedMode;\n          }\n        } // we only want this handler to be executed on the first 'change' event\n\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n      }; // when we enter fullscreen playback, stop updating the snapshot and\n      // restore all track modes to their pre-fullscreen state\n\n\n      this.on('webkitbeginfullscreen', function () {\n        textTracks.removeEventListener('change', takeMetadataTrackSnapshot); // remove the listener before adding it just in case it wasn't previously removed\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n        textTracks.addEventListener('change', restoreTrackMode);\n      }); // start updating the snapshot again after leaving fullscreen\n\n      this.on('webkitendfullscreen', function () {\n        // remove the listener before adding it just in case it wasn't previously removed\n        textTracks.removeEventListener('change', takeMetadataTrackSnapshot);\n        textTracks.addEventListener('change', takeMetadataTrackSnapshot); // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n      });\n    }\n    /**\n     * Attempt to force override of tracks for the given type\n     *\n     * @param {string} type - Track type to override, possible values include 'Audio',\n     * 'Video', and 'Text'.\n     * @param {boolean} override - If set to true native audio/video will be overridden,\n     * otherwise native audio/video will potentially be used.\n     * @private\n     */\n    ;\n\n    _proto.overrideNative_ = function overrideNative_(type, override) {\n      var _this2 = this;\n\n      // If there is no behavioral change don't add/remove listeners\n      if (override !== this[\"featuresNative\" + type + \"Tracks\"]) {\n        return;\n      }\n\n      var lowerCaseType = type.toLowerCase();\n\n      if (this[lowerCaseType + \"TracksListeners_\"]) {\n        Object.keys(this[lowerCaseType + \"TracksListeners_\"]).forEach(function (eventName) {\n          var elTracks = _this2.el()[lowerCaseType + \"Tracks\"];\n\n          elTracks.removeEventListener(eventName, _this2[lowerCaseType + \"TracksListeners_\"][eventName]);\n        });\n      }\n\n      this[\"featuresNative\" + type + \"Tracks\"] = !override;\n      this[lowerCaseType + \"TracksListeners_\"] = null;\n      this.proxyNativeTracksForType_(lowerCaseType);\n    }\n    /**\n     * Attempt to force override of native audio tracks.\n     *\n     * @param {boolean} override - If set to true native audio will be overridden,\n     * otherwise native audio will potentially be used.\n     */\n    ;\n\n    _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks(override) {\n      this.overrideNative_('Audio', override);\n    }\n    /**\n     * Attempt to force override of native video tracks.\n     *\n     * @param {boolean} override - If set to true native video will be overridden,\n     * otherwise native video will potentially be used.\n     */\n    ;\n\n    _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks(override) {\n      this.overrideNative_('Video', override);\n    }\n    /**\n     * Proxy native track list events for the given type to our track\n     * lists if the browser we are playing in supports that type of track list.\n     *\n     * @param {string} name - Track type; values include 'audio', 'video', and 'text'\n     * @private\n     */\n    ;\n\n    _proto.proxyNativeTracksForType_ = function proxyNativeTracksForType_(name) {\n      var _this3 = this;\n\n      var props = NORMAL[name];\n      var elTracks = this.el()[props.getterName];\n      var techTracks = this[props.getterName]();\n\n      if (!this[\"featuresNative\" + props.capitalName + \"Tracks\"] || !elTracks || !elTracks.addEventListener) {\n        return;\n      }\n\n      var listeners = {\n        change: function change(e) {\n          var event = {\n            type: 'change',\n            target: techTracks,\n            currentTarget: techTracks,\n            srcElement: techTracks\n          };\n          techTracks.trigger(event); // if we are a text track change event, we should also notify the\n          // remote text track list. This can potentially cause a false positive\n          // if we were to get a change event on a non-remote track and\n          // we triggered the event on the remote text track list which doesn't\n          // contain that track. However, best practices mean looping through the\n          // list of tracks and searching for the appropriate mode value, so,\n          // this shouldn't pose an issue\n\n          if (name === 'text') {\n            _this3[REMOTE.remoteText.getterName]().trigger(event);\n          }\n        },\n        addtrack: function addtrack(e) {\n          techTracks.addTrack(e.track);\n        },\n        removetrack: function removetrack(e) {\n          techTracks.removeTrack(e.track);\n        }\n      };\n\n      var removeOldTracks = function removeOldTracks() {\n        var removeTracks = [];\n\n        for (var i = 0; i < techTracks.length; i++) {\n          var found = false;\n\n          for (var j = 0; j < elTracks.length; j++) {\n            if (elTracks[j] === techTracks[i]) {\n              found = true;\n              break;\n            }\n          }\n\n          if (!found) {\n            removeTracks.push(techTracks[i]);\n          }\n        }\n\n        while (removeTracks.length) {\n          techTracks.removeTrack(removeTracks.shift());\n        }\n      };\n\n      this[props.getterName + 'Listeners_'] = listeners;\n      Object.keys(listeners).forEach(function (eventName) {\n        var listener = listeners[eventName];\n        elTracks.addEventListener(eventName, listener);\n\n        _this3.on('dispose', function (e) {\n          return elTracks.removeEventListener(eventName, listener);\n        });\n      }); // Remove (native) tracks that are not used anymore\n\n      this.on('loadstart', removeOldTracks);\n      this.on('dispose', function (e) {\n        return _this3.off('loadstart', removeOldTracks);\n      });\n    }\n    /**\n     * Proxy all native track list events to our track lists if the browser we are playing\n     * in supports that type of track list.\n     *\n     * @private\n     */\n    ;\n\n    _proto.proxyNativeTracks_ = function proxyNativeTracks_() {\n      var _this4 = this;\n\n      NORMAL.names.forEach(function (name) {\n        _this4.proxyNativeTracksForType_(name);\n      });\n    }\n    /**\n     * Create the `Html5` Tech's DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var el = this.options_.tag; // Check if this browser supports moving the element into the box.\n      // On the iPhone video will break if you move the element,\n      // So we have to create a brand new element.\n      // If we ingested the player div, we do not need to move the media element.\n\n      if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {\n        // If the original tag is still there, clone and remove it.\n        if (el) {\n          var clone = el.cloneNode(true);\n\n          if (el.parentNode) {\n            el.parentNode.insertBefore(clone, el);\n          }\n\n          Html5.disposeMediaElement(el);\n          el = clone;\n        } else {\n          el = document.createElement('video'); // determine if native controls should be used\n\n          var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);\n          var attributes = mergeOptions({}, tagAttributes);\n\n          if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {\n            delete attributes.controls;\n          }\n\n          setAttributes(el, assign(attributes, {\n            id: this.options_.techId,\n            \"class\": 'vjs-tech'\n          }));\n        }\n\n        el.playerId = this.options_.playerId;\n      }\n\n      if (typeof this.options_.preload !== 'undefined') {\n        setAttribute(el, 'preload', this.options_.preload);\n      } // Update specific tag settings, in case they were overridden\n      // `autoplay` has to be *last* so that `muted` and `playsinline` are present\n      // when iOS/Safari or other browsers attempt to autoplay.\n\n\n      var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];\n\n      for (var i = 0; i < settingsAttrs.length; i++) {\n        var attr = settingsAttrs[i];\n        var value = this.options_[attr];\n\n        if (typeof value !== 'undefined') {\n          if (value) {\n            setAttribute(el, attr, attr);\n          } else {\n            removeAttribute(el, attr);\n          }\n\n          el[attr] = value;\n        }\n      }\n\n      return el;\n    }\n    /**\n     * This will be triggered if the loadstart event has already fired, before videojs was\n     * ready. Two known examples of when this can happen are:\n     * 1. If we're loading the playback object after it has started loading\n     * 2. The media is already playing the (often with autoplay on) then\n     *\n     * This function will fire another loadstart so that videojs can catchup.\n     *\n     * @fires Tech#loadstart\n     *\n     * @return {undefined}\n     *         returns nothing.\n     */\n    ;\n\n    _proto.handleLateInit_ = function handleLateInit_(el) {\n      if (el.networkState === 0 || el.networkState === 3) {\n        // The video element hasn't started loading the source yet\n        // or didn't find a source\n        return;\n      }\n\n      if (el.readyState === 0) {\n        // NetworkState is set synchronously BUT loadstart is fired at the\n        // end of the current stack, usually before setInterval(fn, 0).\n        // So at this point we know loadstart may have already fired or is\n        // about to fire, and either way the player hasn't seen it yet.\n        // We don't want to fire loadstart prematurely here and cause a\n        // double loadstart so we'll wait and see if it happens between now\n        // and the next loop, and fire it if not.\n        // HOWEVER, we also want to make sure it fires before loadedmetadata\n        // which could also happen between now and the next loop, so we'll\n        // watch for that also.\n        var loadstartFired = false;\n\n        var setLoadstartFired = function setLoadstartFired() {\n          loadstartFired = true;\n        };\n\n        this.on('loadstart', setLoadstartFired);\n\n        var triggerLoadstart = function triggerLoadstart() {\n          // We did miss the original loadstart. Make sure the player\n          // sees loadstart before loadedmetadata\n          if (!loadstartFired) {\n            this.trigger('loadstart');\n          }\n        };\n\n        this.on('loadedmetadata', triggerLoadstart);\n        this.ready(function () {\n          this.off('loadstart', setLoadstartFired);\n          this.off('loadedmetadata', triggerLoadstart);\n\n          if (!loadstartFired) {\n            // We did miss the original native loadstart. Fire it now.\n            this.trigger('loadstart');\n          }\n        });\n        return;\n      } // From here on we know that loadstart already fired and we missed it.\n      // The other readyState events aren't as much of a problem if we double\n      // them, so not going to go to as much trouble as loadstart to prevent\n      // that unless we find reason to.\n\n\n      var eventsToTrigger = ['loadstart']; // loadedmetadata: newly equal to HAVE_METADATA (1) or greater\n\n      eventsToTrigger.push('loadedmetadata'); // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater\n\n      if (el.readyState >= 2) {\n        eventsToTrigger.push('loadeddata');\n      } // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater\n\n\n      if (el.readyState >= 3) {\n        eventsToTrigger.push('canplay');\n      } // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)\n\n\n      if (el.readyState >= 4) {\n        eventsToTrigger.push('canplaythrough');\n      } // We still need to give the player time to add event listeners\n\n\n      this.ready(function () {\n        eventsToTrigger.forEach(function (type) {\n          this.trigger(type);\n        }, this);\n      });\n    }\n    /**\n     * Set current time for the `HTML5` tech.\n     *\n     * @param {number} seconds\n     *        Set the current time of the media to this.\n     */\n    ;\n\n    _proto.setCurrentTime = function setCurrentTime(seconds) {\n      try {\n        this.el_.currentTime = seconds;\n      } catch (e) {\n        log(e, 'Video is not ready. (Video.js)'); // this.warning(VideoJS.warnings.videoNotReady);\n      }\n    }\n    /**\n     * Get the current duration of the HTML5 media element.\n     *\n     * @return {number}\n     *         The duration of the media or 0 if there is no duration.\n     */\n    ;\n\n    _proto.duration = function duration() {\n      var _this5 = this;\n\n      // Android Chrome will report duration as Infinity for VOD HLS until after\n      // playback has started, which triggers the live display erroneously.\n      // Return NaN if playback has not started and trigger a durationupdate once\n      // the duration can be reliably known.\n      if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {\n        // Wait for the first `timeupdate` with currentTime > 0 - there may be\n        // several with 0\n        var checkProgress = function checkProgress() {\n          if (_this5.el_.currentTime > 0) {\n            // Trigger durationchange for genuinely live video\n            if (_this5.el_.duration === Infinity) {\n              _this5.trigger('durationchange');\n            }\n\n            _this5.off('timeupdate', checkProgress);\n          }\n        };\n\n        this.on('timeupdate', checkProgress);\n        return NaN;\n      }\n\n      return this.el_.duration || NaN;\n    }\n    /**\n     * Get the current width of the HTML5 media element.\n     *\n     * @return {number}\n     *         The width of the HTML5 media element.\n     */\n    ;\n\n    _proto.width = function width() {\n      return this.el_.offsetWidth;\n    }\n    /**\n     * Get the current height of the HTML5 media element.\n     *\n     * @return {number}\n     *         The height of the HTML5 media element.\n     */\n    ;\n\n    _proto.height = function height() {\n      return this.el_.offsetHeight;\n    }\n    /**\n     * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into\n     * `fullscreenchange` event.\n     *\n     * @private\n     * @fires fullscreenchange\n     * @listens webkitendfullscreen\n     * @listens webkitbeginfullscreen\n     * @listens webkitbeginfullscreen\n     */\n    ;\n\n    _proto.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {\n      var _this6 = this;\n\n      if (!('webkitDisplayingFullscreen' in this.el_)) {\n        return;\n      }\n\n      var endFn = function endFn() {\n        this.trigger('fullscreenchange', {\n          isFullscreen: false\n        });\n      };\n\n      var beginFn = function beginFn() {\n        if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {\n          this.one('webkitendfullscreen', endFn);\n          this.trigger('fullscreenchange', {\n            isFullscreen: true\n          });\n        }\n      };\n\n      this.on('webkitbeginfullscreen', beginFn);\n      this.on('dispose', function () {\n        _this6.off('webkitbeginfullscreen', beginFn);\n\n        _this6.off('webkitendfullscreen', endFn);\n      });\n    }\n    /**\n     * Check if fullscreen is supported on the current playback device.\n     *\n     * @return {boolean}\n     *         - True if fullscreen is supported.\n     *         - False if fullscreen is not supported.\n     */\n    ;\n\n    _proto.supportsFullScreen = function supportsFullScreen() {\n      if (typeof this.el_.webkitEnterFullScreen === 'function') {\n        var userAgent = window$3.navigator && window$3.navigator.userAgent || ''; // Seems to be broken in Chromium/Chrome && Safari in Leopard\n\n        if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {\n          return true;\n        }\n      }\n\n      return false;\n    }\n    /**\n     * Request that the `HTML5` Tech enter fullscreen.\n     */\n    ;\n\n    _proto.enterFullScreen = function enterFullScreen() {\n      var video = this.el_;\n\n      if (video.paused && video.networkState <= video.HAVE_METADATA) {\n        // attempt to prime the video element for programmatic access\n        // this isn't necessary on the desktop but shouldn't hurt\n        this.el_.play(); // playing and pausing synchronously during the transition to fullscreen\n        // can get iOS ~6.1 devices into a play/pause loop\n\n        this.setTimeout(function () {\n          video.pause();\n          video.webkitEnterFullScreen();\n        }, 0);\n      } else {\n        video.webkitEnterFullScreen();\n      }\n    }\n    /**\n     * Request that the `HTML5` Tech exit fullscreen.\n     */\n    ;\n\n    _proto.exitFullScreen = function exitFullScreen() {\n      this.el_.webkitExitFullScreen();\n    }\n    /**\n     * Create a floating video window always on top of other windows so that users may\n     * continue consuming media while they interact with other content sites, or\n     * applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @return {Promise}\n     *         A promise with a Picture-in-Picture window.\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      return this.el_.requestPictureInPicture();\n    }\n    /**\n     * A getter/setter for the `Html5` Tech's source object.\n     * > Note: Please use {@link Html5#setSource}\n     *\n     * @param {Tech~SourceObject} [src]\n     *        The source object you want to set on the `HTML5` techs element.\n     *\n     * @return {Tech~SourceObject|undefined}\n     *         - The current source object when a source is not passed in.\n     *         - undefined when setting\n     *\n     * @deprecated Since version 5.\n     */\n    ;\n\n    _proto.src = function src(_src) {\n      if (_src === undefined) {\n        return this.el_.src;\n      } // Setting src through `src` instead of `setSrc` will be deprecated\n\n\n      this.setSrc(_src);\n    }\n    /**\n     * Reset the tech by removing all sources and then calling\n     * {@link Html5.resetMediaElement}.\n     */\n    ;\n\n    _proto.reset = function reset() {\n      Html5.resetMediaElement(this.el_);\n    }\n    /**\n     * Get the current source on the `HTML5` Tech. Falls back to returning the source from\n     * the HTML5 media element.\n     *\n     * @return {Tech~SourceObject}\n     *         The current source object from the HTML5 tech. With a fallback to the\n     *         elements source.\n     */\n    ;\n\n    _proto.currentSrc = function currentSrc() {\n      if (this.currentSource_) {\n        return this.currentSource_.src;\n      }\n\n      return this.el_.currentSrc;\n    }\n    /**\n     * Set controls attribute for the HTML5 media Element.\n     *\n     * @param {string} val\n     *        Value to set the controls attribute to\n     */\n    ;\n\n    _proto.setControls = function setControls(val) {\n      this.el_.controls = !!val;\n    }\n    /**\n     * Create and returns a remote {@link TextTrack} object.\n     *\n     * @param {string} kind\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n     *\n     * @param {string} [label]\n     *        Label to identify the text track\n     *\n     * @param {string} [language]\n     *        Two letter language abbreviation\n     *\n     * @return {TextTrack}\n     *         The TextTrack that gets created.\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (!this.featuresNativeTextTracks) {\n        return _Tech.prototype.addTextTrack.call(this, kind, label, language);\n      }\n\n      return this.el_.addTextTrack(kind, label, language);\n    }\n    /**\n     * Creates either native TextTrack or an emulated TextTrack depending\n     * on the value of `featuresNativeTextTracks`\n     *\n     * @param {Object} options\n     *        The object should contain the options to initialize the TextTrack with.\n     *\n     * @param {string} [options.kind]\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).\n     *\n     * @param {string} [options.label]\n     *        Label to identify the text track\n     *\n     * @param {string} [options.language]\n     *        Two letter language abbreviation.\n     *\n     * @param {boolean} [options.default]\n     *        Default this track to on.\n     *\n     * @param {string} [options.id]\n     *        The internal id to assign this track.\n     *\n     * @param {string} [options.src]\n     *        A source url for the track.\n     *\n     * @return {HTMLTrackElement}\n     *         The track element that gets created.\n     */\n    ;\n\n    _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {\n      if (!this.featuresNativeTextTracks) {\n        return _Tech.prototype.createRemoteTextTrack.call(this, options);\n      }\n\n      var htmlTrackElement = document.createElement('track');\n\n      if (options.kind) {\n        htmlTrackElement.kind = options.kind;\n      }\n\n      if (options.label) {\n        htmlTrackElement.label = options.label;\n      }\n\n      if (options.language || options.srclang) {\n        htmlTrackElement.srclang = options.language || options.srclang;\n      }\n\n      if (options[\"default\"]) {\n        htmlTrackElement[\"default\"] = options[\"default\"];\n      }\n\n      if (options.id) {\n        htmlTrackElement.id = options.id;\n      }\n\n      if (options.src) {\n        htmlTrackElement.src = options.src;\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Creates a remote text track object and returns an html track element.\n     *\n     * @param {Object} options The object should contain values for\n     * kind, language, label, and src (location of the WebVTT file)\n     * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be\n     * automatically removed from the video element whenever the source changes\n     * @return {HTMLTrackElement} An Html Track Element.\n     * This can be an emulated {@link HTMLTrackElement} or a native one.\n     * @deprecated The default value of the \"manualCleanup\" parameter will default\n     * to \"false\" in upcoming versions of Video.js\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);\n\n      if (this.featuresNativeTextTracks) {\n        this.el().appendChild(htmlTrackElement);\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Remove remote `TextTrack` from `TextTrackList` object\n     *\n     * @param {TextTrack} track\n     *        `TextTrack` object to remove\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {\n      _Tech.prototype.removeRemoteTextTrack.call(this, track);\n\n      if (this.featuresNativeTextTracks) {\n        var tracks = this.$$('track');\n        var i = tracks.length;\n\n        while (i--) {\n          if (track === tracks[i] || track === tracks[i].track) {\n            this.el().removeChild(tracks[i]);\n          }\n        }\n      }\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object}\n     *         An object with supported media playback quality metrics\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      if (typeof this.el().getVideoPlaybackQuality === 'function') {\n        return this.el().getVideoPlaybackQuality();\n      }\n\n      var videoPlaybackQuality = {};\n\n      if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {\n        videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;\n        videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;\n      }\n\n      if (window$3.performance && typeof window$3.performance.now === 'function') {\n        videoPlaybackQuality.creationTime = window$3.performance.now();\n      } else if (window$3.performance && window$3.performance.timing && typeof window$3.performance.timing.navigationStart === 'number') {\n        videoPlaybackQuality.creationTime = window$3.Date.now() - window$3.performance.timing.navigationStart;\n      }\n\n      return videoPlaybackQuality;\n    };\n\n    return Html5;\n  }(Tech);\n  /* HTML5 Support Testing ---------------------------------------------------- */\n\n  /**\n   * Element for testing browser HTML5 media capabilities\n   *\n   * @type {Element}\n   * @constant\n   * @private\n   */\n\n\n  defineLazyProperty(Html5, 'TEST_VID', function () {\n    if (!isReal()) {\n      return;\n    }\n\n    var video = document.createElement('video');\n    var track = document.createElement('track');\n    track.kind = 'captions';\n    track.srclang = 'en';\n    track.label = 'English';\n    video.appendChild(track);\n    return video;\n  });\n  /**\n   * Check if HTML5 media is supported by this browser/device.\n   *\n   * @return {boolean}\n   *         - True if HTML5 media is supported.\n   *         - False if HTML5 media is not supported.\n   */\n\n  Html5.isSupported = function () {\n    // IE with no Media Player is a LIAR! (#984)\n    try {\n      Html5.TEST_VID.volume = 0.5;\n    } catch (e) {\n      return false;\n    }\n\n    return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);\n  };\n  /**\n   * Check if the tech can support the given type\n   *\n   * @param {string} type\n   *        The mimetype to check\n   * @return {string} 'probably', 'maybe', or '' (empty string)\n   */\n\n\n  Html5.canPlayType = function (type) {\n    return Html5.TEST_VID.canPlayType(type);\n  };\n  /**\n   * Check if the tech can support the given source\n   *\n   * @param {Object} srcObj\n   *        The source object\n   * @param {Object} options\n   *        The options passed to the tech\n   * @return {string} 'probably', 'maybe', or '' (empty string)\n   */\n\n\n  Html5.canPlaySource = function (srcObj, options) {\n    return Html5.canPlayType(srcObj.type);\n  };\n  /**\n   * Check if the volume can be changed in this browser/device.\n   * Volume cannot be changed in a lot of mobile devices.\n   * Specifically, it can't be changed from 1 on iOS.\n   *\n   * @return {boolean}\n   *         - True if volume can be controlled\n   *         - False otherwise\n   */\n\n\n  Html5.canControlVolume = function () {\n    // IE will error if Windows Media Player not installed #3315\n    try {\n      var volume = Html5.TEST_VID.volume;\n      Html5.TEST_VID.volume = volume / 2 + 0.1;\n      return volume !== Html5.TEST_VID.volume;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if the volume can be muted in this browser/device.\n   * Some devices, e.g. iOS, don't allow changing volume\n   * but permits muting/unmuting.\n   *\n   * @return {bolean}\n   *      - True if volume can be muted\n   *      - False otherwise\n   */\n\n\n  Html5.canMuteVolume = function () {\n    try {\n      var muted = Html5.TEST_VID.muted; // in some versions of iOS muted property doesn't always\n      // work, so we want to set both property and attribute\n\n      Html5.TEST_VID.muted = !muted;\n\n      if (Html5.TEST_VID.muted) {\n        setAttribute(Html5.TEST_VID, 'muted', 'muted');\n      } else {\n        removeAttribute(Html5.TEST_VID, 'muted', 'muted');\n      }\n\n      return muted !== Html5.TEST_VID.muted;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if the playback rate can be changed in this browser/device.\n   *\n   * @return {boolean}\n   *         - True if playback rate can be controlled\n   *         - False otherwise\n   */\n\n\n  Html5.canControlPlaybackRate = function () {\n    // Playback rate API is implemented in Android Chrome, but doesn't do anything\n    // https://github.com/videojs/video.js/issues/3180\n    if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {\n      return false;\n    } // IE will error if Windows Media Player not installed #3315\n\n\n    try {\n      var playbackRate = Html5.TEST_VID.playbackRate;\n      Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;\n      return playbackRate !== Html5.TEST_VID.playbackRate;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if we can override a video/audio elements attributes, with\n   * Object.defineProperty.\n   *\n   * @return {boolean}\n   *         - True if builtin attributes can be overridden\n   *         - False otherwise\n   */\n\n\n  Html5.canOverrideAttributes = function () {\n    // if we cannot overwrite the src/innerHTML property, there is no support\n    // iOS 7 safari for instance cannot do this.\n    try {\n      var noop = function noop() {};\n\n      Object.defineProperty(document.createElement('video'), 'src', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('audio'), 'src', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('video'), 'innerHTML', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('audio'), 'innerHTML', {\n        get: noop,\n        set: noop\n      });\n    } catch (e) {\n      return false;\n    }\n\n    return true;\n  };\n  /**\n   * Check to see if native `TextTrack`s are supported by this browser/device.\n   *\n   * @return {boolean}\n   *         - True if native `TextTrack`s are supported.\n   *         - False otherwise\n   */\n\n\n  Html5.supportsNativeTextTracks = function () {\n    return IS_ANY_SAFARI || IS_IOS && IS_CHROME;\n  };\n  /**\n   * Check to see if native `VideoTrack`s are supported by this browser/device\n   *\n   * @return {boolean}\n   *        - True if native `VideoTrack`s are supported.\n   *        - False otherwise\n   */\n\n\n  Html5.supportsNativeVideoTracks = function () {\n    return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);\n  };\n  /**\n   * Check to see if native `AudioTrack`s are supported by this browser/device\n   *\n   * @return {boolean}\n   *        - True if native `AudioTrack`s are supported.\n   *        - False otherwise\n   */\n\n\n  Html5.supportsNativeAudioTracks = function () {\n    return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);\n  };\n  /**\n   * An array of events available on the Html5 tech.\n   *\n   * @private\n   * @type {Array}\n   */\n\n\n  Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];\n  /**\n   * Boolean indicating whether the `Tech` supports volume control.\n   *\n   * @type {boolean}\n   * @default {@link Html5.canControlVolume}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports muting volume.\n   *\n   * @type {bolean}\n   * @default {@link Html5.canMuteVolume}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports changing the speed at which the media\n   * plays. Examples:\n   *   - Set player to play 2x (twice) as fast\n   *   - Set player to play 0.5x (half) as fast\n   *\n   * @type {boolean}\n   * @default {@link Html5.canControlPlaybackRate}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports the `sourceset` event.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeTextTracks}\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeVideoTracks}\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeAudioTracks}\n   */\n\n  [['featuresVolumeControl', 'canControlVolume'], ['featuresMuteControl', 'canMuteVolume'], ['featuresPlaybackRate', 'canControlPlaybackRate'], ['featuresSourceset', 'canOverrideAttributes'], ['featuresNativeTextTracks', 'supportsNativeTextTracks'], ['featuresNativeVideoTracks', 'supportsNativeVideoTracks'], ['featuresNativeAudioTracks', 'supportsNativeAudioTracks']].forEach(function (_ref) {\n    var key = _ref[0],\n        fn = _ref[1];\n    defineLazyProperty(Html5.prototype, key, function () {\n      return Html5[fn]();\n    }, true);\n  });\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the media element\n   * moving in the DOM. iOS breaks if you move the media element, so this is set this to\n   * false there. Everywhere else this should be true.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.movingMediaElementInDOM = !IS_IOS; // TODO: Previous comment: No longer appears to be used. Can probably be removed.\n  //       Is this true?\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports automatic media resize\n   * when going into fullscreen.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.featuresFullscreenResize = true;\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the progress event.\n   * If this is false, manual `progress` events will be triggered instead.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.featuresProgressEvents = true;\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.\n   * If this is false, manual `timeupdate` events will be triggered instead.\n   *\n   * @default\n   */\n\n  Html5.prototype.featuresTimeupdateEvents = true; // HTML5 Feature detection and Device Fixes --------------------------------- //\n\n  var canPlayType;\n\n  Html5.patchCanPlayType = function () {\n    // Android 4.0 and above can play HLS to some extent but it reports being unable to do so\n    // Firefox and Chrome report correctly\n    if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {\n      canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;\n\n      Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {\n        var mpegurlRE = /^application\\/(?:x-|vnd\\.apple\\.)mpegurl/i;\n\n        if (type && mpegurlRE.test(type)) {\n          return 'maybe';\n        }\n\n        return canPlayType.call(this, type);\n      };\n    }\n  };\n\n  Html5.unpatchCanPlayType = function () {\n    var r = Html5.TEST_VID.constructor.prototype.canPlayType;\n\n    if (canPlayType) {\n      Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;\n    }\n\n    return r;\n  }; // by default, patch the media element\n\n\n  Html5.patchCanPlayType();\n\n  Html5.disposeMediaElement = function (el) {\n    if (!el) {\n      return;\n    }\n\n    if (el.parentNode) {\n      el.parentNode.removeChild(el);\n    } // remove any child track or source nodes to prevent their loading\n\n\n    while (el.hasChildNodes()) {\n      el.removeChild(el.firstChild);\n    } // remove any src reference. not setting `src=''` because that causes a warning\n    // in firefox\n\n\n    el.removeAttribute('src'); // force the media element to update its loading state by calling load()\n    // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)\n\n    if (typeof el.load === 'function') {\n      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)\n      (function () {\n        try {\n          el.load();\n        } catch (e) {// not supported\n        }\n      })();\n    }\n  };\n\n  Html5.resetMediaElement = function (el) {\n    if (!el) {\n      return;\n    }\n\n    var sources = el.querySelectorAll('source');\n    var i = sources.length;\n\n    while (i--) {\n      el.removeChild(sources[i]);\n    } // remove any src reference.\n    // not setting `src=''` because that throws an error\n\n\n    el.removeAttribute('src');\n\n    if (typeof el.load === 'function') {\n      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)\n      (function () {\n        try {\n          el.load();\n        } catch (e) {// satisfy linter\n        }\n      })();\n    }\n  };\n  /* Native HTML5 element property wrapping ----------------------------------- */\n  // Wrap native boolean attributes with getters that check both property and attribute\n  // The list is as followed:\n  // muted, defaultMuted, autoplay, controls, loop, playsinline\n\n\n  [\n  /**\n   * Get the value of `muted` from the media element. `muted` indicates\n   * that the volume for the media should be set to silent. This does not actually change\n   * the `volume` attribute.\n   *\n   * @method Html5#muted\n   * @return {boolean}\n   *         - True if the value of `volume` should be ignored and the audio set to silent.\n   *         - False if the value of `volume` should be used.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}\n   */\n  'muted',\n  /**\n   * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates\n   * whether the media should start muted or not. Only changes the default state of the\n   * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the\n   * current state.\n   *\n   * @method Html5#defaultMuted\n   * @return {boolean}\n   *         - The value of `defaultMuted` from the media element.\n   *         - True indicates that the media should start muted.\n   *         - False indicates that the media should not start muted\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}\n   */\n  'defaultMuted',\n  /**\n   * Get the value of `autoplay` from the media element. `autoplay` indicates\n   * that the media should start to play as soon as the page is ready.\n   *\n   * @method Html5#autoplay\n   * @return {boolean}\n   *         - The value of `autoplay` from the media element.\n   *         - True indicates that the media should start as soon as the page loads.\n   *         - False indicates that the media should not start as soon as the page loads.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}\n   */\n  'autoplay',\n  /**\n   * Get the value of `controls` from the media element. `controls` indicates\n   * whether the native media controls should be shown or hidden.\n   *\n   * @method Html5#controls\n   * @return {boolean}\n   *         - The value of `controls` from the media element.\n   *         - True indicates that native controls should be showing.\n   *         - False indicates that native controls should be hidden.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}\n   */\n  'controls',\n  /**\n   * Get the value of `loop` from the media element. `loop` indicates\n   * that the media should return to the start of the media and continue playing once\n   * it reaches the end.\n   *\n   * @method Html5#loop\n   * @return {boolean}\n   *         - The value of `loop` from the media element.\n   *         - True indicates that playback should seek back to start once\n   *           the end of a media is reached.\n   *         - False indicates that playback should not loop back to the start when the\n   *           end of the media is reached.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}\n   */\n  'loop',\n  /**\n   * Get the value of `playsinline` from the media element. `playsinline` indicates\n   * to the browser that non-fullscreen playback is preferred when fullscreen\n   * playback is the native default, such as in iOS Safari.\n   *\n   * @method Html5#playsinline\n   * @return {boolean}\n   *         - The value of `playsinline` from the media element.\n   *         - True indicates that the media should play inline.\n   *         - False indicates that the media should not play inline.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n   */\n  'playsinline'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop] || this.el_.hasAttribute(prop);\n    };\n  }); // Wrap native boolean attributes with setters that set both property and attribute\n  // The list is as followed:\n  // setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline\n  // setControls is special-cased above\n\n  [\n  /**\n   * Set the value of `muted` on the media element. `muted` indicates that the current\n   * audio level should be silent.\n   *\n   * @method Html5#setMuted\n   * @param {boolean} muted\n   *        - True if the audio should be set to silent\n   *        - False otherwise\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}\n   */\n  'muted',\n  /**\n   * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current\n   * audio level should be silent, but will only effect the muted level on intial playback..\n   *\n   * @method Html5.prototype.setDefaultMuted\n   * @param {boolean} defaultMuted\n   *        - True if the audio should be set to silent\n   *        - False otherwise\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}\n   */\n  'defaultMuted',\n  /**\n   * Set the value of `autoplay` on the media element. `autoplay` indicates\n   * that the media should start to play as soon as the page is ready.\n   *\n   * @method Html5#setAutoplay\n   * @param {boolean} autoplay\n   *         - True indicates that the media should start as soon as the page loads.\n   *         - False indicates that the media should not start as soon as the page loads.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}\n   */\n  'autoplay',\n  /**\n   * Set the value of `loop` on the media element. `loop` indicates\n   * that the media should return to the start of the media and continue playing once\n   * it reaches the end.\n   *\n   * @method Html5#setLoop\n   * @param {boolean} loop\n   *         - True indicates that playback should seek back to start once\n   *           the end of a media is reached.\n   *         - False indicates that playback should not loop back to the start when the\n   *           end of the media is reached.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}\n   */\n  'loop',\n  /**\n   * Set the value of `playsinline` from the media element. `playsinline` indicates\n   * to the browser that non-fullscreen playback is preferred when fullscreen\n   * playback is the native default, such as in iOS Safari.\n   *\n   * @method Html5#setPlaysinline\n   * @param {boolean} playsinline\n   *         - True indicates that the media should play inline.\n   *         - False indicates that the media should not play inline.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n   */\n  'playsinline'].forEach(function (prop) {\n    Html5.prototype['set' + toTitleCase(prop)] = function (v) {\n      this.el_[prop] = v;\n\n      if (v) {\n        this.el_.setAttribute(prop, prop);\n      } else {\n        this.el_.removeAttribute(prop);\n      }\n    };\n  }); // Wrap native properties with a getter\n  // The list is as followed\n  // paused, currentTime, buffered, volume, poster, preload, error, seeking\n  // seekable, ended, playbackRate, defaultPlaybackRate, played, networkState\n  // readyState, videoWidth, videoHeight\n\n  [\n  /**\n   * Get the value of `paused` from the media element. `paused` indicates whether the media element\n   * is currently paused or not.\n   *\n   * @method Html5#paused\n   * @return {boolean}\n   *         The value of `paused` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}\n   */\n  'paused',\n  /**\n   * Get the value of `currentTime` from the media element. `currentTime` indicates\n   * the current second that the media is at in playback.\n   *\n   * @method Html5#currentTime\n   * @return {number}\n   *         The value of `currentTime` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}\n   */\n  'currentTime',\n  /**\n   * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`\n   * object that represents the parts of the media that are already downloaded and\n   * available for playback.\n   *\n   * @method Html5#buffered\n   * @return {TimeRange}\n   *         The value of `buffered` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}\n   */\n  'buffered',\n  /**\n   * Get the value of `volume` from the media element. `volume` indicates\n   * the current playback volume of audio for a media. `volume` will be a value from 0\n   * (silent) to 1 (loudest and default).\n   *\n   * @method Html5#volume\n   * @return {number}\n   *         The value of `volume` from the media element. Value will be between 0-1.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}\n   */\n  'volume',\n  /**\n   * Get the value of `poster` from the media element. `poster` indicates\n   * that the url of an image file that can/will be shown when no media data is available.\n   *\n   * @method Html5#poster\n   * @return {string}\n   *         The value of `poster` from the media element. Value will be a url to an\n   *         image.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}\n   */\n  'poster',\n  /**\n   * Get the value of `preload` from the media element. `preload` indicates\n   * what should download before the media is interacted with. It can have the following\n   * values:\n   * - none: nothing should be downloaded\n   * - metadata: poster and the first few frames of the media may be downloaded to get\n   *   media dimensions and other metadata\n   * - auto: allow the media and metadata for the media to be downloaded before\n   *    interaction\n   *\n   * @method Html5#preload\n   * @return {string}\n   *         The value of `preload` from the media element. Will be 'none', 'metadata',\n   *         or 'auto'.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}\n   */\n  'preload',\n  /**\n   * Get the value of the `error` from the media element. `error` indicates any\n   * MediaError that may have occurred during playback. If error returns null there is no\n   * current error.\n   *\n   * @method Html5#error\n   * @return {MediaError|null}\n   *         The value of `error` from the media element. Will be `MediaError` if there\n   *         is a current error and null otherwise.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}\n   */\n  'error',\n  /**\n   * Get the value of `seeking` from the media element. `seeking` indicates whether the\n   * media is currently seeking to a new position or not.\n   *\n   * @method Html5#seeking\n   * @return {boolean}\n   *         - The value of `seeking` from the media element.\n   *         - True indicates that the media is currently seeking to a new position.\n   *         - False indicates that the media is not seeking to a new position at this time.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}\n   */\n  'seeking',\n  /**\n   * Get the value of `seekable` from the media element. `seekable` returns a\n   * `TimeRange` object indicating ranges of time that can currently be `seeked` to.\n   *\n   * @method Html5#seekable\n   * @return {TimeRange}\n   *         The value of `seekable` from the media element. A `TimeRange` object\n   *         indicating the current ranges of time that can be seeked to.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}\n   */\n  'seekable',\n  /**\n   * Get the value of `ended` from the media element. `ended` indicates whether\n   * the media has reached the end or not.\n   *\n   * @method Html5#ended\n   * @return {boolean}\n   *         - The value of `ended` from the media element.\n   *         - True indicates that the media has ended.\n   *         - False indicates that the media has not ended.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}\n   */\n  'ended',\n  /**\n   * Get the value of `playbackRate` from the media element. `playbackRate` indicates\n   * the rate at which the media is currently playing back. Examples:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5#playbackRate\n   * @return {number}\n   *         The value of `playbackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'playbackRate',\n  /**\n   * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates\n   * the rate at which the media is currently playing back. This value will not indicate the current\n   * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.\n   *\n   * Examples:\n   *   - if defaultPlaybackRate is set to 2, media will play twice as fast.\n   *   - if defaultPlaybackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5.prototype.defaultPlaybackRate\n   * @return {number}\n   *         The value of `defaultPlaybackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'defaultPlaybackRate',\n  /**\n   * Get the value of `played` from the media element. `played` returns a `TimeRange`\n   * object representing points in the media timeline that have been played.\n   *\n   * @method Html5#played\n   * @return {TimeRange}\n   *         The value of `played` from the media element. A `TimeRange` object indicating\n   *         the ranges of time that have been played.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}\n   */\n  'played',\n  /**\n   * Get the value of `networkState` from the media element. `networkState` indicates\n   * the current network state. It returns an enumeration from the following list:\n   * - 0: NETWORK_EMPTY\n   * - 1: NETWORK_IDLE\n   * - 2: NETWORK_LOADING\n   * - 3: NETWORK_NO_SOURCE\n   *\n   * @method Html5#networkState\n   * @return {number}\n   *         The value of `networkState` from the media element. This will be a number\n   *         from the list in the description.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}\n   */\n  'networkState',\n  /**\n   * Get the value of `readyState` from the media element. `readyState` indicates\n   * the current state of the media element. It returns an enumeration from the\n   * following list:\n   * - 0: HAVE_NOTHING\n   * - 1: HAVE_METADATA\n   * - 2: HAVE_CURRENT_DATA\n   * - 3: HAVE_FUTURE_DATA\n   * - 4: HAVE_ENOUGH_DATA\n   *\n   * @method Html5#readyState\n   * @return {number}\n   *         The value of `readyState` from the media element. This will be a number\n   *         from the list in the description.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}\n   */\n  'readyState',\n  /**\n   * Get the value of `videoWidth` from the video element. `videoWidth` indicates\n   * the current width of the video in css pixels.\n   *\n   * @method Html5#videoWidth\n   * @return {number}\n   *         The value of `videoWidth` from the video element. This will be a number\n   *         in css pixels.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}\n   */\n  'videoWidth',\n  /**\n   * Get the value of `videoHeight` from the video element. `videoHeight` indicates\n   * the current height of the video in css pixels.\n   *\n   * @method Html5#videoHeight\n   * @return {number}\n   *         The value of `videoHeight` from the video element. This will be a number\n   *         in css pixels.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}\n   */\n  'videoHeight'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop];\n    };\n  }); // Wrap native properties with a setter in this format:\n  // set + toTitleCase(name)\n  // The list is as follows:\n  // setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate\n\n  [\n  /**\n   * Set the value of `volume` on the media element. `volume` indicates the current\n   * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n   * so on.\n   *\n   * @method Html5#setVolume\n   * @param {number} percentAsDecimal\n   *        The volume percent as a decimal. Valid range is from 0-1.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}\n   */\n  'volume',\n  /**\n   * Set the value of `src` on the media element. `src` indicates the current\n   * {@link Tech~SourceObject} for the media.\n   *\n   * @method Html5#setSrc\n   * @param {Tech~SourceObject} src\n   *        The source object to set as the current source.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}\n   */\n  'src',\n  /**\n   * Set the value of `poster` on the media element. `poster` is the url to\n   * an image file that can/will be shown when no media data is available.\n   *\n   * @method Html5#setPoster\n   * @param {string} poster\n   *        The url to an image that should be used as the `poster` for the media\n   *        element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}\n   */\n  'poster',\n  /**\n   * Set the value of `preload` on the media element. `preload` indicates\n   * what should download before the media is interacted with. It can have the following\n   * values:\n   * - none: nothing should be downloaded\n   * - metadata: poster and the first few frames of the media may be downloaded to get\n   *   media dimensions and other metadata\n   * - auto: allow the media and metadata for the media to be downloaded before\n   *    interaction\n   *\n   * @method Html5#setPreload\n   * @param {string} preload\n   *         The value of `preload` to set on the media element. Must be 'none', 'metadata',\n   *         or 'auto'.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}\n   */\n  'preload',\n  /**\n   * Set the value of `playbackRate` on the media element. `playbackRate` indicates\n   * the rate at which the media should play back. Examples:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5#setPlaybackRate\n   * @return {number}\n   *         The value of `playbackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'playbackRate',\n  /**\n   * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates\n   * the rate at which the media should play back upon initial startup. Changing this value\n   * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.\n   *\n   * Example Values:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5.prototype.setDefaultPlaybackRate\n   * @return {number}\n   *         The value of `defaultPlaybackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}\n   */\n  'defaultPlaybackRate'].forEach(function (prop) {\n    Html5.prototype['set' + toTitleCase(prop)] = function (v) {\n      this.el_[prop] = v;\n    };\n  }); // wrap native functions with a function\n  // The list is as follows:\n  // pause, load, play\n\n  [\n  /**\n   * A wrapper around the media elements `pause` function. This will call the `HTML5`\n   * media elements `pause` function.\n   *\n   * @method Html5#pause\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}\n   */\n  'pause',\n  /**\n   * A wrapper around the media elements `load` function. This will call the `HTML5`s\n   * media element `load` function.\n   *\n   * @method Html5#load\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}\n   */\n  'load',\n  /**\n   * A wrapper around the media elements `play` function. This will call the `HTML5`s\n   * media element `play` function.\n   *\n   * @method Html5#play\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}\n   */\n  'play'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop]();\n    };\n  });\n  Tech.withSourceHandlers(Html5);\n  /**\n   * Native source handler for Html5, simply passes the source to the media element.\n   *\n   * @property {Tech~SourceObject} source\n   *        The source object\n   *\n   * @property {Html5} tech\n   *        The instance of the HTML5 tech.\n   */\n\n  Html5.nativeSourceHandler = {};\n  /**\n   * Check if the media element can play the given mime type.\n   *\n   * @param {string} type\n   *        The mimetype to check\n   *\n   * @return {string}\n   *         'probably', 'maybe', or '' (empty string)\n   */\n\n  Html5.nativeSourceHandler.canPlayType = function (type) {\n    // IE without MediaPlayer throws an error (#519)\n    try {\n      return Html5.TEST_VID.canPlayType(type);\n    } catch (e) {\n      return '';\n    }\n  };\n  /**\n   * Check if the media element can handle a source natively.\n   *\n   * @param {Tech~SourceObject} source\n   *         The source object\n   *\n   * @param {Object} [options]\n   *         Options to be passed to the tech.\n   *\n   * @return {string}\n   *         'probably', 'maybe', or '' (empty string).\n   */\n\n\n  Html5.nativeSourceHandler.canHandleSource = function (source, options) {\n    // If a type was provided we should rely on that\n    if (source.type) {\n      return Html5.nativeSourceHandler.canPlayType(source.type); // If no type, fall back to checking 'video/[EXTENSION]'\n    } else if (source.src) {\n      var ext = getFileExtension(source.src);\n      return Html5.nativeSourceHandler.canPlayType(\"video/\" + ext);\n    }\n\n    return '';\n  };\n  /**\n   * Pass the source to the native media element.\n   *\n   * @param {Tech~SourceObject} source\n   *        The source object\n   *\n   * @param {Html5} tech\n   *        The instance of the Html5 tech\n   *\n   * @param {Object} [options]\n   *        The options to pass to the source\n   */\n\n\n  Html5.nativeSourceHandler.handleSource = function (source, tech, options) {\n    tech.setSrc(source.src);\n  };\n  /**\n   * A noop for the native dispose function, as cleanup is not needed.\n   */\n\n\n  Html5.nativeSourceHandler.dispose = function () {}; // Register the native source handler\n\n\n  Html5.registerSourceHandler(Html5.nativeSourceHandler);\n  Tech.registerTech('Html5', Html5);\n\n  // on the player when they happen\n\n  var TECH_EVENTS_RETRIGGER = [\n  /**\n   * Fired while the user agent is downloading media data.\n   *\n   * @event Player#progress\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `progress` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechProgress_\n   * @fires Player#progress\n   * @listens Tech#progress\n   */\n  'progress',\n  /**\n   * Fires when the loading of an audio/video is aborted.\n   *\n   * @event Player#abort\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `abort` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechAbort_\n   * @fires Player#abort\n   * @listens Tech#abort\n   */\n  'abort',\n  /**\n   * Fires when the browser is intentionally not getting media data.\n   *\n   * @event Player#suspend\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `suspend` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechSuspend_\n   * @fires Player#suspend\n   * @listens Tech#suspend\n   */\n  'suspend',\n  /**\n   * Fires when the current playlist is empty.\n   *\n   * @event Player#emptied\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `emptied` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechEmptied_\n   * @fires Player#emptied\n   * @listens Tech#emptied\n   */\n  'emptied',\n  /**\n   * Fires when the browser is trying to get media data, but data is not available.\n   *\n   * @event Player#stalled\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `stalled` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechStalled_\n   * @fires Player#stalled\n   * @listens Tech#stalled\n   */\n  'stalled',\n  /**\n   * Fires when the browser has loaded meta data for the audio/video.\n   *\n   * @event Player#loadedmetadata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `stalled` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechLoadedmetadata_\n   * @fires Player#loadedmetadata\n   * @listens Tech#loadedmetadata\n   */\n  'loadedmetadata',\n  /**\n   * Fires when the browser has loaded the current frame of the audio/video.\n   *\n   * @event Player#loadeddata\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechLoaddeddata_\n   * @fires Player#loadeddata\n   * @listens Tech#loadeddata\n   */\n  'loadeddata',\n  /**\n   * Fires when the current playback position has changed.\n   *\n   * @event Player#timeupdate\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechTimeUpdate_\n   * @fires Player#timeupdate\n   * @listens Tech#timeupdate\n   */\n  'timeupdate',\n  /**\n   * Fires when the video's intrinsic dimensions change\n   *\n   * @event Player#resize\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `resize` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechResize_\n   * @fires Player#resize\n   * @listens Tech#resize\n   */\n  'resize',\n  /**\n   * Fires when the volume has been changed\n   *\n   * @event Player#volumechange\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `volumechange` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechVolumechange_\n   * @fires Player#volumechange\n   * @listens Tech#volumechange\n   */\n  'volumechange',\n  /**\n   * Fires when the text track has been changed\n   *\n   * @event Player#texttrackchange\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechTexttrackchange_\n   * @fires Player#texttrackchange\n   * @listens Tech#texttrackchange\n   */\n  'texttrackchange']; // events to queue when playback rate is zero\n  // this is a hash for the sole purpose of mapping non-camel-cased event names\n  // to camel-cased function names\n\n  var TECH_EVENTS_QUEUE = {\n    canplay: 'CanPlay',\n    canplaythrough: 'CanPlayThrough',\n    playing: 'Playing',\n    seeked: 'Seeked'\n  };\n  var BREAKPOINT_ORDER = ['tiny', 'xsmall', 'small', 'medium', 'large', 'xlarge', 'huge'];\n  var BREAKPOINT_CLASSES = {}; // grep: vjs-layout-tiny\n  // grep: vjs-layout-x-small\n  // grep: vjs-layout-small\n  // grep: vjs-layout-medium\n  // grep: vjs-layout-large\n  // grep: vjs-layout-x-large\n  // grep: vjs-layout-huge\n\n  BREAKPOINT_ORDER.forEach(function (k) {\n    var v = k.charAt(0) === 'x' ? \"x-\" + k.substring(1) : k;\n    BREAKPOINT_CLASSES[k] = \"vjs-layout-\" + v;\n  });\n  var DEFAULT_BREAKPOINTS = {\n    tiny: 210,\n    xsmall: 320,\n    small: 425,\n    medium: 768,\n    large: 1440,\n    xlarge: 2560,\n    huge: Infinity\n  };\n  /**\n   * An instance of the `Player` class is created when any of the Video.js setup methods\n   * are used to initialize a video.\n   *\n   * After an instance has been created it can be accessed globally in two ways:\n   * 1. By calling `videojs('example_video_1');`\n   * 2. By using it directly via  `videojs.players.example_video_1;`\n   *\n   * @extends Component\n   */\n\n  var Player = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Player, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Element} tag\n     *        The original video DOM element used for configuring options.\n     *\n     * @param {Object} [options]\n     *        Object of option names and values.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        Ready callback function.\n     */\n    function Player(tag, options, ready) {\n      var _this;\n\n      // Make sure tag ID exists\n      tag.id = tag.id || options.id || \"vjs_video_\" + newGUID(); // Set Options\n      // The options argument overrides options set in the video tag\n      // which overrides globally set options.\n      // This latter part coincides with the load order\n      // (tag must exist before Player)\n\n      options = assign(Player.getTagSettings(tag), options); // Delay the initialization of children because we need to set up\n      // player properties first, and can't use `this` before `super()`\n\n      options.initChildren = false; // Same with creating the element\n\n      options.createEl = false; // don't auto mixin the evented mixin\n\n      options.evented = false; // we don't want the player to report touch activity on itself\n      // see enableTouchActivity in Component\n\n      options.reportTouchActivity = false; // If language is not set, get the closest lang attribute\n\n      if (!options.language) {\n        if (typeof tag.closest === 'function') {\n          var closest = tag.closest('[lang]');\n\n          if (closest && closest.getAttribute) {\n            options.language = closest.getAttribute('lang');\n          }\n        } else {\n          var element = tag;\n\n          while (element && element.nodeType === 1) {\n            if (getAttributes(element).hasOwnProperty('lang')) {\n              options.language = element.getAttribute('lang');\n              break;\n            }\n\n            element = element.parentNode;\n          }\n        }\n      } // Run base component initializing with new options\n\n\n      _this = _Component.call(this, null, options, ready) || this; // Create bound methods for document listeners.\n\n      _this.boundDocumentFullscreenChange_ = bind(assertThisInitialized(_this), _this.documentFullscreenChange_);\n      _this.boundFullWindowOnEscKey_ = bind(assertThisInitialized(_this), _this.fullWindowOnEscKey); // default isFullscreen_ to false\n\n      _this.isFullscreen_ = false; // create logger\n\n      _this.log = createLogger$1(_this.id_); // Hold our own reference to fullscreen api so it can be mocked in tests\n\n      _this.fsApi_ = FullscreenApi; // Tracks when a tech changes the poster\n\n      _this.isPosterFromTech_ = false; // Holds callback info that gets queued when playback rate is zero\n      // and a seek is happening\n\n      _this.queuedCallbacks_ = []; // Turn off API access because we're loading a new tech that might load asynchronously\n\n      _this.isReady_ = false; // Init state hasStarted_\n\n      _this.hasStarted_ = false; // Init state userActive_\n\n      _this.userActive_ = false; // if the global option object was accidentally blown away by\n      // someone, bail early with an informative error\n\n      if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {\n        throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');\n      } // Store the original tag used to set options\n\n\n      _this.tag = tag; // Store the tag attributes used to restore html5 element\n\n      _this.tagAttributes = tag && getAttributes(tag); // Update current language\n\n      _this.language(_this.options_.language); // Update Supported Languages\n\n\n      if (options.languages) {\n        // Normalise player option languages to lowercase\n        var languagesToLower = {};\n        Object.getOwnPropertyNames(options.languages).forEach(function (name) {\n          languagesToLower[name.toLowerCase()] = options.languages[name];\n        });\n        _this.languages_ = languagesToLower;\n      } else {\n        _this.languages_ = Player.prototype.options_.languages;\n      }\n\n      _this.resetCache_(); // Set poster\n\n\n      _this.poster_ = options.poster || ''; // Set controls\n\n      _this.controls_ = !!options.controls; // Original tag settings stored in options\n      // now remove immediately so native controls don't flash.\n      // May be turned back on by HTML5 tech if nativeControlsForTouch is true\n\n      tag.controls = false;\n      tag.removeAttribute('controls');\n      _this.changingSrc_ = false;\n      _this.playCallbacks_ = [];\n      _this.playTerminatedQueue_ = []; // the attribute overrides the option\n\n      if (tag.hasAttribute('autoplay')) {\n        _this.autoplay(true);\n      } else {\n        // otherwise use the setter to validate and\n        // set the correct value.\n        _this.autoplay(_this.options_.autoplay);\n      } // check plugins\n\n\n      if (options.plugins) {\n        Object.keys(options.plugins).forEach(function (name) {\n          if (typeof _this[name] !== 'function') {\n            throw new Error(\"plugin \\\"\" + name + \"\\\" does not exist\");\n          }\n        });\n      }\n      /*\n       * Store the internal state of scrubbing\n       *\n       * @private\n       * @return {Boolean} True if the user is scrubbing\n       */\n\n\n      _this.scrubbing_ = false;\n      _this.el_ = _this.createEl(); // Make this an evented object and use `el_` as its event bus.\n\n      evented(assertThisInitialized(_this), {\n        eventBusKey: 'el_'\n      }); // listen to document and player fullscreenchange handlers so we receive those events\n      // before a user can receive them so we can update isFullscreen appropriately.\n      // make sure that we listen to fullscreenchange events before everything else to make sure that\n      // our isFullscreen method is updated properly for internal components as well as external.\n\n      if (_this.fsApi_.requestFullscreen) {\n        on(document, _this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);\n\n        _this.on(_this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);\n      }\n\n      if (_this.fluid_) {\n        _this.on('playerreset', _this.updateStyleEl_);\n      } // We also want to pass the original player options to each component and plugin\n      // as well so they don't need to reach back into the player for options later.\n      // We also need to do another copy of this.options_ so we don't end up with\n      // an infinite loop.\n\n\n      var playerOptionsCopy = mergeOptions(_this.options_); // Load plugins\n\n      if (options.plugins) {\n        Object.keys(options.plugins).forEach(function (name) {\n          _this[name](options.plugins[name]);\n        });\n      }\n\n      _this.options_.playerOptions = playerOptionsCopy;\n      _this.middleware_ = [];\n\n      _this.initChildren(); // Set isAudio based on whether or not an audio tag was used\n\n\n      _this.isAudio(tag.nodeName.toLowerCase() === 'audio'); // Update controls className. Can't do this when the controls are initially\n      // set because the element doesn't exist yet.\n\n\n      if (_this.controls()) {\n        _this.addClass('vjs-controls-enabled');\n      } else {\n        _this.addClass('vjs-controls-disabled');\n      } // Set ARIA label and region role depending on player type\n\n\n      _this.el_.setAttribute('role', 'region');\n\n      if (_this.isAudio()) {\n        _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));\n      } else {\n        _this.el_.setAttribute('aria-label', _this.localize('Video Player'));\n      }\n\n      if (_this.isAudio()) {\n        _this.addClass('vjs-audio');\n      }\n\n      if (_this.flexNotSupported_()) {\n        _this.addClass('vjs-no-flex');\n      } // TODO: Make this smarter. Toggle user state between touching/mousing\n      // using events, since devices can have both touch and mouse events.\n      // TODO: Make this check be performed again when the window switches between monitors\n      // (See https://github.com/videojs/video.js/issues/5683)\n\n\n      if (TOUCH_ENABLED) {\n        _this.addClass('vjs-touch-enabled');\n      } // iOS Safari has broken hover handling\n\n\n      if (!IS_IOS) {\n        _this.addClass('vjs-workinghover');\n      } // Make player easily findable by ID\n\n\n      Player.players[_this.id_] = assertThisInitialized(_this); // Add a major version class to aid css in plugins\n\n      var majorVersion = version.split('.')[0];\n\n      _this.addClass(\"vjs-v\" + majorVersion); // When the player is first initialized, trigger activity so components\n      // like the control bar show themselves if needed\n\n\n      _this.userActive(true);\n\n      _this.reportUserActivity();\n\n      _this.one('play', _this.listenForUserActivity_);\n\n      _this.on('stageclick', _this.handleStageClick_);\n\n      _this.on('keydown', _this.handleKeyDown);\n\n      _this.breakpoints(_this.options_.breakpoints);\n\n      _this.responsive(_this.options_.responsive);\n\n      return _this;\n    }\n    /**\n     * Destroys the video player and does any necessary cleanup.\n     *\n     * This is especially helpful if you are dynamically adding and removing videos\n     * to/from the DOM.\n     *\n     * @fires Player#dispose\n     */\n\n\n    var _proto = Player.prototype;\n\n    _proto.dispose = function dispose() {\n      var _this2 = this;\n\n      /**\n       * Called when the player is being disposed of.\n       *\n       * @event Player#dispose\n       * @type {EventTarget~Event}\n       */\n      this.trigger('dispose'); // prevent dispose from being called twice\n\n      this.off('dispose'); // Make sure all player-specific document listeners are unbound. This is\n\n      off(document, this.fsApi_.fullscreenchange, this.boundDocumentFullscreenChange_);\n      off(document, 'keydown', this.boundFullWindowOnEscKey_);\n\n      if (this.styleEl_ && this.styleEl_.parentNode) {\n        this.styleEl_.parentNode.removeChild(this.styleEl_);\n        this.styleEl_ = null;\n      } // Kill reference to this player\n\n\n      Player.players[this.id_] = null;\n\n      if (this.tag && this.tag.player) {\n        this.tag.player = null;\n      }\n\n      if (this.el_ && this.el_.player) {\n        this.el_.player = null;\n      }\n\n      if (this.tech_) {\n        this.tech_.dispose();\n        this.isPosterFromTech_ = false;\n        this.poster_ = '';\n      }\n\n      if (this.playerElIngest_) {\n        this.playerElIngest_ = null;\n      }\n\n      if (this.tag) {\n        this.tag = null;\n      }\n\n      clearCacheForPlayer(this); // remove all event handlers for track lists\n      // all tracks and track listeners are removed on\n      // tech dispose\n\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n\n        var list = _this2[props.getterName](); // if it is not a native list\n        // we have to manually remove event listeners\n\n\n        if (list && list.off) {\n          list.off();\n        }\n      }); // the actual .el_ is removed here\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Create the `Player`'s DOM element.\n     *\n     * @return {Element}\n     *         The DOM element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var tag = this.tag;\n      var el;\n      var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');\n      var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';\n\n      if (playerElIngest) {\n        el = this.el_ = tag.parentNode;\n      } else if (!divEmbed) {\n        el = this.el_ = _Component.prototype.createEl.call(this, 'div');\n      } // Copy over all the attributes from the tag, including ID and class\n      // ID will now reference player box, not the video tag\n\n\n      var attrs = getAttributes(tag);\n\n      if (divEmbed) {\n        el = this.el_ = tag;\n        tag = this.tag = document.createElement('video');\n\n        while (el.children.length) {\n          tag.appendChild(el.firstChild);\n        }\n\n        if (!hasClass(el, 'video-js')) {\n          addClass(el, 'video-js');\n        }\n\n        el.appendChild(tag);\n        playerElIngest = this.playerElIngest_ = el; // move properties over from our custom `video-js` element\n        // to our new `video` element. This will move things like\n        // `src` or `controls` that were set via js before the player\n        // was initialized.\n\n        Object.keys(el).forEach(function (k) {\n          try {\n            tag[k] = el[k];\n          } catch (e) {// we got a a property like outerHTML which we can't actually copy, ignore it\n          }\n        });\n      } // set tabindex to -1 to remove the video element from the focus order\n\n\n      tag.setAttribute('tabindex', '-1');\n      attrs.tabindex = '-1'; // Workaround for #4583 (JAWS+IE doesn't announce BPB or play button), and\n      // for the same issue with Chrome (on Windows) with JAWS.\n      // See https://github.com/FreedomScientific/VFO-standards-support/issues/78\n      // Note that we can't detect if JAWS is being used, but this ARIA attribute\n      //  doesn't change behavior of IE11 or Chrome if JAWS is not being used\n\n      if (IE_VERSION || IS_CHROME && IS_WINDOWS) {\n        tag.setAttribute('role', 'application');\n        attrs.role = 'application';\n      } // Remove width/height attrs from tag so CSS can make it 100% width/height\n\n\n      tag.removeAttribute('width');\n      tag.removeAttribute('height');\n\n      if ('width' in attrs) {\n        delete attrs.width;\n      }\n\n      if ('height' in attrs) {\n        delete attrs.height;\n      }\n\n      Object.getOwnPropertyNames(attrs).forEach(function (attr) {\n        // don't copy over the class attribute to the player element when we're in a div embed\n        // the class is already set up properly in the divEmbed case\n        // and we want to make sure that the `video-js` class doesn't get lost\n        if (!(divEmbed && attr === 'class')) {\n          el.setAttribute(attr, attrs[attr]);\n        }\n\n        if (divEmbed) {\n          tag.setAttribute(attr, attrs[attr]);\n        }\n      }); // Update tag id/class for use as HTML5 playback tech\n      // Might think we should do this after embedding in container so .vjs-tech class\n      // doesn't flash 100% width/height, but class only applies with .video-js parent\n\n      tag.playerId = tag.id;\n      tag.id += '_html5_api';\n      tag.className = 'vjs-tech'; // Make player findable on elements\n\n      tag.player = el.player = this; // Default state of video is paused\n\n      this.addClass('vjs-paused'); // Add a style element in the player that we'll use to set the width/height\n      // of the player in a way that's still overrideable by CSS, just like the\n      // video element\n\n      if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true) {\n        this.styleEl_ = createStyleElement('vjs-styles-dimensions');\n        var defaultsStyleEl = $('.vjs-styles-defaults');\n        var head = $('head');\n        head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);\n      }\n\n      this.fill_ = false;\n      this.fluid_ = false; // Pass in the width/height/aspectRatio options which will update the style el\n\n      this.width(this.options_.width);\n      this.height(this.options_.height);\n      this.fill(this.options_.fill);\n      this.fluid(this.options_.fluid);\n      this.aspectRatio(this.options_.aspectRatio); // Hide any links within the video/audio tag,\n      // because IE doesn't hide them completely from screen readers.\n\n      var links = tag.getElementsByTagName('a');\n\n      for (var i = 0; i < links.length; i++) {\n        var linkEl = links.item(i);\n        addClass(linkEl, 'vjs-hidden');\n        linkEl.setAttribute('hidden', 'hidden');\n      } // insertElFirst seems to cause the networkState to flicker from 3 to 2, so\n      // keep track of the original for later so we can know if the source originally failed\n\n\n      tag.initNetworkState_ = tag.networkState; // Wrap video tag in div (el/box) container\n\n      if (tag.parentNode && !playerElIngest) {\n        tag.parentNode.insertBefore(el, tag);\n      } // insert the tag as the first child of the player element\n      // then manually add it to the children array so that this.addChild\n      // will work properly for other components\n      //\n      // Breaks iPhone, fixed in HTML5 setup.\n\n\n      prependTo(tag, el);\n      this.children_.unshift(tag); // Set lang attr on player to ensure CSS :lang() in consistent with player\n      // if it's been set to something different to the doc\n\n      this.el_.setAttribute('lang', this.language_);\n      this.el_ = el;\n      return el;\n    }\n    /**\n     * A getter/setter for the `Player`'s width. Returns the player's configured value.\n     * To get the current width use `currentWidth()`.\n     *\n     * @param {number} [value]\n     *        The value to set the `Player`'s width to.\n     *\n     * @return {number}\n     *         The current width of the `Player` when getting.\n     */\n    ;\n\n    _proto.width = function width(value) {\n      return this.dimension('width', value);\n    }\n    /**\n     * A getter/setter for the `Player`'s height. Returns the player's configured value.\n     * To get the current height use `currentheight()`.\n     *\n     * @param {number} [value]\n     *        The value to set the `Player`'s heigth to.\n     *\n     * @return {number}\n     *         The current height of the `Player` when getting.\n     */\n    ;\n\n    _proto.height = function height(value) {\n      return this.dimension('height', value);\n    }\n    /**\n     * A getter/setter for the `Player`'s width & height.\n     *\n     * @param {string} dimension\n     *        This string can be:\n     *        - 'width'\n     *        - 'height'\n     *\n     * @param {number} [value]\n     *        Value for dimension specified in the first argument.\n     *\n     * @return {number}\n     *         The dimension arguments value when getting (width/height).\n     */\n    ;\n\n    _proto.dimension = function dimension(_dimension, value) {\n      var privDimension = _dimension + '_';\n\n      if (value === undefined) {\n        return this[privDimension] || 0;\n      }\n\n      if (value === '' || value === 'auto') {\n        // If an empty string is given, reset the dimension to be automatic\n        this[privDimension] = undefined;\n        this.updateStyleEl_();\n        return;\n      }\n\n      var parsedVal = parseFloat(value);\n\n      if (isNaN(parsedVal)) {\n        log.error(\"Improper value \\\"\" + value + \"\\\" supplied for for \" + _dimension);\n        return;\n      }\n\n      this[privDimension] = parsedVal;\n      this.updateStyleEl_();\n    }\n    /**\n     * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.\n     *\n     * Turning this on will turn off fill mode.\n     *\n     * @param {boolean} [bool]\n     *        - A value of true adds the class.\n     *        - A value of false removes the class.\n     *        - No value will be a getter.\n     *\n     * @return {boolean|undefined}\n     *         - The value of fluid when getting.\n     *         - `undefined` when setting.\n     */\n    ;\n\n    _proto.fluid = function fluid(bool) {\n      if (bool === undefined) {\n        return !!this.fluid_;\n      }\n\n      this.fluid_ = !!bool;\n\n      if (isEvented(this)) {\n        this.off('playerreset', this.updateStyleEl_);\n      }\n\n      if (bool) {\n        this.addClass('vjs-fluid');\n        this.fill(false);\n        addEventedCallback(function () {\n          this.on('playerreset', this.updateStyleEl_);\n        });\n      } else {\n        this.removeClass('vjs-fluid');\n      }\n\n      this.updateStyleEl_();\n    }\n    /**\n     * A getter/setter/toggler for the vjs-fill `className` on the `Player`.\n     *\n     * Turning this on will turn off fluid mode.\n     *\n     * @param {boolean} [bool]\n     *        - A value of true adds the class.\n     *        - A value of false removes the class.\n     *        - No value will be a getter.\n     *\n     * @return {boolean|undefined}\n     *         - The value of fluid when getting.\n     *         - `undefined` when setting.\n     */\n    ;\n\n    _proto.fill = function fill(bool) {\n      if (bool === undefined) {\n        return !!this.fill_;\n      }\n\n      this.fill_ = !!bool;\n\n      if (bool) {\n        this.addClass('vjs-fill');\n        this.fluid(false);\n      } else {\n        this.removeClass('vjs-fill');\n      }\n    }\n    /**\n     * Get/Set the aspect ratio\n     *\n     * @param {string} [ratio]\n     *        Aspect ratio for player\n     *\n     * @return {string|undefined}\n     *         returns the current aspect ratio when getting\n     */\n\n    /**\n     * A getter/setter for the `Player`'s aspect ratio.\n     *\n     * @param {string} [ratio]\n     *        The value to set the `Player's aspect ratio to.\n     *\n     * @return {string|undefined}\n     *         - The current aspect ratio of the `Player` when getting.\n     *         - undefined when setting\n     */\n    ;\n\n    _proto.aspectRatio = function aspectRatio(ratio) {\n      if (ratio === undefined) {\n        return this.aspectRatio_;\n      } // Check for width:height format\n\n\n      if (!/^\\d+\\:\\d+$/.test(ratio)) {\n        throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');\n      }\n\n      this.aspectRatio_ = ratio; // We're assuming if you set an aspect ratio you want fluid mode,\n      // because in fixed mode you could calculate width and height yourself.\n\n      this.fluid(true);\n      this.updateStyleEl_();\n    }\n    /**\n     * Update styles of the `Player` element (height, width and aspect ratio).\n     *\n     * @private\n     * @listens Tech#loadedmetadata\n     */\n    ;\n\n    _proto.updateStyleEl_ = function updateStyleEl_() {\n      if (window$3.VIDEOJS_NO_DYNAMIC_STYLE === true) {\n        var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;\n\n        var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;\n\n        var techEl = this.tech_ && this.tech_.el();\n\n        if (techEl) {\n          if (_width >= 0) {\n            techEl.width = _width;\n          }\n\n          if (_height >= 0) {\n            techEl.height = _height;\n          }\n        }\n\n        return;\n      }\n\n      var width;\n      var height;\n      var aspectRatio;\n      var idClass; // The aspect ratio is either used directly or to calculate width and height.\n\n      if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {\n        // Use any aspectRatio that's been specifically set\n        aspectRatio = this.aspectRatio_;\n      } else if (this.videoWidth() > 0) {\n        // Otherwise try to get the aspect ratio from the video metadata\n        aspectRatio = this.videoWidth() + ':' + this.videoHeight();\n      } else {\n        // Or use a default. The video element's is 2:1, but 16:9 is more common.\n        aspectRatio = '16:9';\n      } // Get the ratio as a decimal we can use to calculate dimensions\n\n\n      var ratioParts = aspectRatio.split(':');\n      var ratioMultiplier = ratioParts[1] / ratioParts[0];\n\n      if (this.width_ !== undefined) {\n        // Use any width that's been specifically set\n        width = this.width_;\n      } else if (this.height_ !== undefined) {\n        // Or calulate the width from the aspect ratio if a height has been set\n        width = this.height_ / ratioMultiplier;\n      } else {\n        // Or use the video's metadata, or use the video el's default of 300\n        width = this.videoWidth() || 300;\n      }\n\n      if (this.height_ !== undefined) {\n        // Use any height that's been specifically set\n        height = this.height_;\n      } else {\n        // Otherwise calculate the height from the ratio and the width\n        height = width * ratioMultiplier;\n      } // Ensure the CSS class is valid by starting with an alpha character\n\n\n      if (/^[^a-zA-Z]/.test(this.id())) {\n        idClass = 'dimensions-' + this.id();\n      } else {\n        idClass = this.id() + '-dimensions';\n      } // Ensure the right class is still on the player for the style element\n\n\n      this.addClass(idClass);\n      setTextContent(this.styleEl_, \"\\n      .\" + idClass + \" {\\n        width: \" + width + \"px;\\n        height: \" + height + \"px;\\n      }\\n\\n      .\" + idClass + \".vjs-fluid {\\n        padding-top: \" + ratioMultiplier * 100 + \"%;\\n      }\\n    \");\n    }\n    /**\n     * Load/Create an instance of playback {@link Tech} including element\n     * and API methods. Then append the `Tech` element in `Player` as a child.\n     *\n     * @param {string} techName\n     *        name of the playback technology\n     *\n     * @param {string} source\n     *        video source\n     *\n     * @private\n     */\n    ;\n\n    _proto.loadTech_ = function loadTech_(techName, source) {\n      var _this3 = this;\n\n      // Pause and remove current playback technology\n      if (this.tech_) {\n        this.unloadTech_();\n      }\n\n      var titleTechName = toTitleCase(techName);\n      var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1); // get rid of the HTML5 video tag as soon as we are using another tech\n\n      if (titleTechName !== 'Html5' && this.tag) {\n        Tech.getTech('Html5').disposeMediaElement(this.tag);\n        this.tag.player = null;\n        this.tag = null;\n      }\n\n      this.techName_ = titleTechName; // Turn off API access because we're loading a new tech that might load asynchronously\n\n      this.isReady_ = false; // if autoplay is a string we pass false to the tech\n      // because the player is going to handle autoplay on `loadstart`\n\n      var autoplay = typeof this.autoplay() === 'string' ? false : this.autoplay(); // Grab tech-specific options from player options and add source and parent element to use.\n\n      var techOptions = {\n        source: source,\n        autoplay: autoplay,\n        'nativeControlsForTouch': this.options_.nativeControlsForTouch,\n        'playerId': this.id(),\n        'techId': this.id() + \"_\" + camelTechName + \"_api\",\n        'playsinline': this.options_.playsinline,\n        'preload': this.options_.preload,\n        'loop': this.options_.loop,\n        'muted': this.options_.muted,\n        'poster': this.poster(),\n        'language': this.language(),\n        'playerElIngest': this.playerElIngest_ || false,\n        'vtt.js': this.options_['vtt.js'],\n        'canOverridePoster': !!this.options_.techCanOverridePoster,\n        'enableSourceset': this.options_.enableSourceset,\n        'Promise': this.options_.Promise\n      };\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n        techOptions[props.getterName] = _this3[props.privateName];\n      });\n      assign(techOptions, this.options_[titleTechName]);\n      assign(techOptions, this.options_[camelTechName]);\n      assign(techOptions, this.options_[techName.toLowerCase()]);\n\n      if (this.tag) {\n        techOptions.tag = this.tag;\n      }\n\n      if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {\n        techOptions.startTime = this.cache_.currentTime;\n      } // Initialize tech instance\n\n\n      var TechClass = Tech.getTech(techName);\n\n      if (!TechClass) {\n        throw new Error(\"No Tech named '\" + titleTechName + \"' exists! '\" + titleTechName + \"' should be registered using videojs.registerTech()'\");\n      }\n\n      this.tech_ = new TechClass(techOptions); // player.triggerReady is always async, so don't need this to be async\n\n      this.tech_.ready(bind(this, this.handleTechReady_), true);\n      textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_); // Listen to all HTML5-defined events and trigger them on the player\n\n      TECH_EVENTS_RETRIGGER.forEach(function (event) {\n        _this3.on(_this3.tech_, event, _this3[\"handleTech\" + toTitleCase(event) + \"_\"]);\n      });\n      Object.keys(TECH_EVENTS_QUEUE).forEach(function (event) {\n        _this3.on(_this3.tech_, event, function (eventObj) {\n          if (_this3.tech_.playbackRate() === 0 && _this3.tech_.seeking()) {\n            _this3.queuedCallbacks_.push({\n              callback: _this3[\"handleTech\" + TECH_EVENTS_QUEUE[event] + \"_\"].bind(_this3),\n              event: eventObj\n            });\n\n            return;\n          }\n\n          _this3[\"handleTech\" + TECH_EVENTS_QUEUE[event] + \"_\"](eventObj);\n        });\n      });\n      this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);\n      this.on(this.tech_, 'sourceset', this.handleTechSourceset_);\n      this.on(this.tech_, 'waiting', this.handleTechWaiting_);\n      this.on(this.tech_, 'ended', this.handleTechEnded_);\n      this.on(this.tech_, 'seeking', this.handleTechSeeking_);\n      this.on(this.tech_, 'play', this.handleTechPlay_);\n      this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);\n      this.on(this.tech_, 'pause', this.handleTechPause_);\n      this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);\n      this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);\n      this.on(this.tech_, 'enterpictureinpicture', this.handleTechEnterPictureInPicture_);\n      this.on(this.tech_, 'leavepictureinpicture', this.handleTechLeavePictureInPicture_);\n      this.on(this.tech_, 'error', this.handleTechError_);\n      this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);\n      this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);\n      this.on(this.tech_, 'textdata', this.handleTechTextData_);\n      this.on(this.tech_, 'ratechange', this.handleTechRateChange_);\n      this.usingNativeControls(this.techGet_('controls'));\n\n      if (this.controls() && !this.usingNativeControls()) {\n        this.addTechControlsListeners_();\n      } // Add the tech element in the DOM if it was not already there\n      // Make sure to not insert the original video element if using Html5\n\n\n      if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {\n        prependTo(this.tech_.el(), this.el());\n      } // Get rid of the original video tag reference after the first tech is loaded\n\n\n      if (this.tag) {\n        this.tag.player = null;\n        this.tag = null;\n      }\n    }\n    /**\n     * Unload and dispose of the current playback {@link Tech}.\n     *\n     * @private\n     */\n    ;\n\n    _proto.unloadTech_ = function unloadTech_() {\n      var _this4 = this;\n\n      // Save the current text tracks so that we can reuse the same text tracks with the next tech\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n        _this4[props.privateName] = _this4[props.getterName]();\n      });\n      this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);\n      this.isReady_ = false;\n      this.tech_.dispose();\n      this.tech_ = false;\n\n      if (this.isPosterFromTech_) {\n        this.poster_ = '';\n        this.trigger('posterchange');\n      }\n\n      this.isPosterFromTech_ = false;\n    }\n    /**\n     * Return a reference to the current {@link Tech}.\n     * It will print a warning by default about the danger of using the tech directly\n     * but any argument that is passed in will silence the warning.\n     *\n     * @param {*} [safety]\n     *        Anything passed in to silence the warning\n     *\n     * @return {Tech}\n     *         The Tech\n     */\n    ;\n\n    _proto.tech = function tech(safety) {\n      if (safety === undefined) {\n        log.warn('Using the tech directly can be dangerous. I hope you know what you\\'re doing.\\n' + 'See https://github.com/videojs/video.js/issues/2617 for more info.\\n');\n      }\n\n      return this.tech_;\n    }\n    /**\n     * Set up click and touch listeners for the playback element\n     *\n     * - On desktops: a click on the video itself will toggle playback\n     * - On mobile devices: a click on the video toggles controls\n     *   which is done by toggling the user state between active and\n     *   inactive\n     * - A tap can signal that a user has become active or has become inactive\n     *   e.g. a quick tap on an iPhone movie should reveal the controls. Another\n     *   quick tap should hide them again (signaling the user is in an inactive\n     *   viewing state)\n     * - In addition to this, we still want the user to be considered inactive after\n     *   a few seconds of inactivity.\n     *\n     * > Note: the only part of iOS interaction we can't mimic with this setup\n     * is a touch and hold on the video element counting as activity in order to\n     * keep the controls showing, but that shouldn't be an issue. A touch and hold\n     * on any controls will still keep the user active\n     *\n     * @private\n     */\n    ;\n\n    _proto.addTechControlsListeners_ = function addTechControlsListeners_() {\n      // Make sure to remove all the previous listeners in case we are called multiple times.\n      this.removeTechControlsListeners_(); // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do\n      // trigger mousedown/up.\n      // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object\n      // Any touch events are set to block the mousedown event from happening\n\n      this.on(this.tech_, 'mouseup', this.handleTechClick_);\n      this.on(this.tech_, 'dblclick', this.handleTechDoubleClick_); // If the controls were hidden we don't want that to change without a tap event\n      // so we'll check if the controls were already showing before reporting user\n      // activity\n\n      this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);\n      this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);\n      this.on(this.tech_, 'touchend', this.handleTechTouchEnd_); // The tap listener needs to come after the touchend listener because the tap\n      // listener cancels out any reportedUserActivity when setting userActive(false)\n\n      this.on(this.tech_, 'tap', this.handleTechTap_);\n    }\n    /**\n     * Remove the listeners used for click and tap controls. This is needed for\n     * toggling to controls disabled, where a tap/touch should do nothing.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeTechControlsListeners_ = function removeTechControlsListeners_() {\n      // We don't want to just use `this.off()` because there might be other needed\n      // listeners added by techs that extend this.\n      this.off(this.tech_, 'tap', this.handleTechTap_);\n      this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);\n      this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);\n      this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);\n      this.off(this.tech_, 'mouseup', this.handleTechClick_);\n      this.off(this.tech_, 'dblclick', this.handleTechDoubleClick_);\n    }\n    /**\n     * Player waits for the tech to be ready\n     *\n     * @private\n     */\n    ;\n\n    _proto.handleTechReady_ = function handleTechReady_() {\n      this.triggerReady(); // Keep the same volume as before\n\n      if (this.cache_.volume) {\n        this.techCall_('setVolume', this.cache_.volume);\n      } // Look if the tech found a higher resolution poster while loading\n\n\n      this.handleTechPosterChange_(); // Update the duration if available\n\n      this.handleTechDurationChange_();\n    }\n    /**\n     * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This\n     * function will also trigger {@link Player#firstplay} if it is the first loadstart\n     * for a video.\n     *\n     * @fires Player#loadstart\n     * @fires Player#firstplay\n     * @listens Tech#loadstart\n     * @private\n     */\n    ;\n\n    _proto.handleTechLoadStart_ = function handleTechLoadStart_() {\n      // TODO: Update to use `emptied` event instead. See #1277.\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-seeking'); // reset the error state\n\n      this.error(null); // Update the duration\n\n      this.handleTechDurationChange_(); // If it's already playing we want to trigger a firstplay event now.\n      // The firstplay event relies on both the play and loadstart events\n      // which can happen in any order for a new source\n\n      if (!this.paused()) {\n        /**\n         * Fired when the user agent begins looking for media data\n         *\n         * @event Player#loadstart\n         * @type {EventTarget~Event}\n         */\n        this.trigger('loadstart');\n        this.trigger('firstplay');\n      } else {\n        // reset the hasStarted state\n        this.hasStarted(false);\n        this.trigger('loadstart');\n      } // autoplay happens after loadstart for the browser,\n      // so we mimic that behavior\n\n\n      this.manualAutoplay_(this.autoplay());\n    }\n    /**\n     * Handle autoplay string values, rather than the typical boolean\n     * values that should be handled by the tech. Note that this is not\n     * part of any specification. Valid values and what they do can be\n     * found on the autoplay getter at Player#autoplay()\n     */\n    ;\n\n    _proto.manualAutoplay_ = function manualAutoplay_(type) {\n      var _this5 = this;\n\n      if (!this.tech_ || typeof type !== 'string') {\n        return;\n      }\n\n      var muted = function muted() {\n        var previouslyMuted = _this5.muted();\n\n        _this5.muted(true);\n\n        var restoreMuted = function restoreMuted() {\n          _this5.muted(previouslyMuted);\n        }; // restore muted on play terminatation\n\n\n        _this5.playTerminatedQueue_.push(restoreMuted);\n\n        var mutedPromise = _this5.play();\n\n        if (!isPromise(mutedPromise)) {\n          return;\n        }\n\n        return mutedPromise[\"catch\"](restoreMuted);\n      };\n\n      var promise; // if muted defaults to true\n      // the only thing we can do is call play\n\n      if (type === 'any' && this.muted() !== true) {\n        promise = this.play();\n\n        if (isPromise(promise)) {\n          promise = promise[\"catch\"](muted);\n        }\n      } else if (type === 'muted' && this.muted() !== true) {\n        promise = muted();\n      } else {\n        promise = this.play();\n      }\n\n      if (!isPromise(promise)) {\n        return;\n      }\n\n      return promise.then(function () {\n        _this5.trigger({\n          type: 'autoplay-success',\n          autoplay: type\n        });\n      })[\"catch\"](function (e) {\n        _this5.trigger({\n          type: 'autoplay-failure',\n          autoplay: type\n        });\n      });\n    }\n    /**\n     * Update the internal source caches so that we return the correct source from\n     * `src()`, `currentSource()`, and `currentSources()`.\n     *\n     * > Note: `currentSources` will not be updated if the source that is passed in exists\n     *         in the current `currentSources` cache.\n     *\n     *\n     * @param {Tech~SourceObject} srcObj\n     *        A string or object source to update our caches to.\n     */\n    ;\n\n    _proto.updateSourceCaches_ = function updateSourceCaches_(srcObj) {\n      if (srcObj === void 0) {\n        srcObj = '';\n      }\n\n      var src = srcObj;\n      var type = '';\n\n      if (typeof src !== 'string') {\n        src = srcObj.src;\n        type = srcObj.type;\n      } // make sure all the caches are set to default values\n      // to prevent null checking\n\n\n      this.cache_.source = this.cache_.source || {};\n      this.cache_.sources = this.cache_.sources || []; // try to get the type of the src that was passed in\n\n      if (src && !type) {\n        type = findMimetype(this, src);\n      } // update `currentSource` cache always\n\n\n      this.cache_.source = mergeOptions({}, srcObj, {\n        src: src,\n        type: type\n      });\n      var matchingSources = this.cache_.sources.filter(function (s) {\n        return s.src && s.src === src;\n      });\n      var sourceElSources = [];\n      var sourceEls = this.$$('source');\n      var matchingSourceEls = [];\n\n      for (var i = 0; i < sourceEls.length; i++) {\n        var sourceObj = getAttributes(sourceEls[i]);\n        sourceElSources.push(sourceObj);\n\n        if (sourceObj.src && sourceObj.src === src) {\n          matchingSourceEls.push(sourceObj.src);\n        }\n      } // if we have matching source els but not matching sources\n      // the current source cache is not up to date\n\n\n      if (matchingSourceEls.length && !matchingSources.length) {\n        this.cache_.sources = sourceElSources; // if we don't have matching source or source els set the\n        // sources cache to the `currentSource` cache\n      } else if (!matchingSources.length) {\n        this.cache_.sources = [this.cache_.source];\n      } // update the tech `src` cache\n\n\n      this.cache_.src = src;\n    }\n    /**\n     * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech}\n     * causing the media element to reload.\n     *\n     * It will fire for the initial source and each subsequent source.\n     * This event is a custom event from Video.js and is triggered by the {@link Tech}.\n     *\n     * The event object for this event contains a `src` property that will contain the source\n     * that was available when the event was triggered. This is generally only necessary if Video.js\n     * is switching techs while the source was being changed.\n     *\n     * It is also fired when `load` is called on the player (or media element)\n     * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`}\n     * says that the resource selection algorithm needs to be aborted and restarted.\n     * In this case, it is very likely that the `src` property will be set to the\n     * empty string `\"\"` to indicate we do not know what the source will be but\n     * that it is changing.\n     *\n     * *This event is currently still experimental and may change in minor releases.*\n     * __To use this, pass `enableSourceset` option to the player.__\n     *\n     * @event Player#sourceset\n     * @type {EventTarget~Event}\n     * @prop {string} src\n     *                The source url available when the `sourceset` was triggered.\n     *                It will be an empty string if we cannot know what the source is\n     *                but know that the source will change.\n     */\n\n    /**\n     * Retrigger the `sourceset` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#sourceset\n     * @listens Tech#sourceset\n     * @private\n     */\n    ;\n\n    _proto.handleTechSourceset_ = function handleTechSourceset_(event) {\n      var _this6 = this;\n\n      // only update the source cache when the source\n      // was not updated using the player api\n      if (!this.changingSrc_) {\n        var updateSourceCaches = function updateSourceCaches(src) {\n          return _this6.updateSourceCaches_(src);\n        };\n\n        var playerSrc = this.currentSource().src;\n        var eventSrc = event.src; // if we have a playerSrc that is not a blob, and a tech src that is a blob\n\n        if (playerSrc && !/^blob:/.test(playerSrc) && /^blob:/.test(eventSrc)) {\n          // if both the tech source and the player source were updated we assume\n          // something like @videojs/http-streaming did the sourceset and skip updating the source cache.\n          if (!this.lastSource_ || this.lastSource_.tech !== eventSrc && this.lastSource_.player !== playerSrc) {\n            updateSourceCaches = function updateSourceCaches() {};\n          }\n        } // update the source to the intial source right away\n        // in some cases this will be empty string\n\n\n        updateSourceCaches(eventSrc); // if the `sourceset` `src` was an empty string\n        // wait for a `loadstart` to update the cache to `currentSrc`.\n        // If a sourceset happens before a `loadstart`, we reset the state\n\n        if (!event.src) {\n          this.tech_.any(['sourceset', 'loadstart'], function (e) {\n            // if a sourceset happens before a `loadstart` there\n            // is nothing to do as this `handleTechSourceset_`\n            // will be called again and this will be handled there.\n            if (e.type === 'sourceset') {\n              return;\n            }\n\n            var techSrc = _this6.techGet('currentSrc');\n\n            _this6.lastSource_.tech = techSrc;\n\n            _this6.updateSourceCaches_(techSrc);\n          });\n        }\n      }\n\n      this.lastSource_ = {\n        player: this.currentSource().src,\n        tech: event.src\n      };\n      this.trigger({\n        src: event.src,\n        type: 'sourceset'\n      });\n    }\n    /**\n     * Add/remove the vjs-has-started class\n     *\n     * @fires Player#firstplay\n     *\n     * @param {boolean} request\n     *        - true: adds the class\n     *        - false: remove the class\n     *\n     * @return {boolean}\n     *         the boolean value of hasStarted_\n     */\n    ;\n\n    _proto.hasStarted = function hasStarted(request) {\n      if (request === undefined) {\n        // act as getter, if we have no request to change\n        return this.hasStarted_;\n      }\n\n      if (request === this.hasStarted_) {\n        return;\n      }\n\n      this.hasStarted_ = request;\n\n      if (this.hasStarted_) {\n        this.addClass('vjs-has-started');\n        this.trigger('firstplay');\n      } else {\n        this.removeClass('vjs-has-started');\n      }\n    }\n    /**\n     * Fired whenever the media begins or resumes playback\n     *\n     * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}\n     * @fires Player#play\n     * @listens Tech#play\n     * @private\n     */\n    ;\n\n    _proto.handleTechPlay_ = function handleTechPlay_() {\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-paused');\n      this.addClass('vjs-playing'); // hide the poster when the user hits play\n\n      this.hasStarted(true);\n      /**\n       * Triggered whenever an {@link Tech#play} event happens. Indicates that\n       * playback has started or resumed.\n       *\n       * @event Player#play\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('play');\n    }\n    /**\n     * Retrigger the `ratechange` event that was triggered by the {@link Tech}.\n     *\n     * If there were any events queued while the playback rate was zero, fire\n     * those events now.\n     *\n     * @private\n     * @method Player#handleTechRateChange_\n     * @fires Player#ratechange\n     * @listens Tech#ratechange\n     */\n    ;\n\n    _proto.handleTechRateChange_ = function handleTechRateChange_() {\n      if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) {\n        this.queuedCallbacks_.forEach(function (queued) {\n          return queued.callback(queued.event);\n        });\n        this.queuedCallbacks_ = [];\n      }\n\n      this.cache_.lastPlaybackRate = this.tech_.playbackRate();\n      /**\n       * Fires when the playing speed of the audio/video is changed\n       *\n       * @event Player#ratechange\n       * @type {event}\n       */\n\n      this.trigger('ratechange');\n    }\n    /**\n     * Retrigger the `waiting` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#waiting\n     * @listens Tech#waiting\n     * @private\n     */\n    ;\n\n    _proto.handleTechWaiting_ = function handleTechWaiting_() {\n      var _this7 = this;\n\n      this.addClass('vjs-waiting');\n      /**\n       * A readyState change on the DOM element has caused playback to stop.\n       *\n       * @event Player#waiting\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('waiting'); // Browsers may emit a timeupdate event after a waiting event. In order to prevent\n      // premature removal of the waiting class, wait for the time to change.\n\n      var timeWhenWaiting = this.currentTime();\n\n      var timeUpdateListener = function timeUpdateListener() {\n        if (timeWhenWaiting !== _this7.currentTime()) {\n          _this7.removeClass('vjs-waiting');\n\n          _this7.off('timeupdate', timeUpdateListener);\n        }\n      };\n\n      this.on('timeupdate', timeUpdateListener);\n    }\n    /**\n     * Retrigger the `canplay` event that was triggered by the {@link Tech}.\n     * > Note: This is not consistent between browsers. See #1351\n     *\n     * @fires Player#canplay\n     * @listens Tech#canplay\n     * @private\n     */\n    ;\n\n    _proto.handleTechCanPlay_ = function handleTechCanPlay_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media has a readyState of HAVE_FUTURE_DATA or greater.\n       *\n       * @event Player#canplay\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('canplay');\n    }\n    /**\n     * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#canplaythrough\n     * @listens Tech#canplaythrough\n     * @private\n     */\n    ;\n\n    _proto.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the\n       * entire media file can be played without buffering.\n       *\n       * @event Player#canplaythrough\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('canplaythrough');\n    }\n    /**\n     * Retrigger the `playing` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#playing\n     * @listens Tech#playing\n     * @private\n     */\n    ;\n\n    _proto.handleTechPlaying_ = function handleTechPlaying_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media is no longer blocked from playback, and has started playing.\n       *\n       * @event Player#playing\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('playing');\n    }\n    /**\n     * Retrigger the `seeking` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#seeking\n     * @listens Tech#seeking\n     * @private\n     */\n    ;\n\n    _proto.handleTechSeeking_ = function handleTechSeeking_() {\n      this.addClass('vjs-seeking');\n      /**\n       * Fired whenever the player is jumping to a new time\n       *\n       * @event Player#seeking\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('seeking');\n    }\n    /**\n     * Retrigger the `seeked` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#seeked\n     * @listens Tech#seeked\n     * @private\n     */\n    ;\n\n    _proto.handleTechSeeked_ = function handleTechSeeked_() {\n      this.removeClass('vjs-seeking');\n      this.removeClass('vjs-ended');\n      /**\n       * Fired when the player has finished jumping to a new time\n       *\n       * @event Player#seeked\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('seeked');\n    }\n    /**\n     * Retrigger the `firstplay` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#firstplay\n     * @listens Tech#firstplay\n     * @deprecated As of 6.0 firstplay event is deprecated.\n     *             As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.\n     * @private\n     */\n    ;\n\n    _proto.handleTechFirstPlay_ = function handleTechFirstPlay_() {\n      // If the first starttime attribute is specified\n      // then we will start at the given offset in seconds\n      if (this.options_.starttime) {\n        log.warn('Passing the `starttime` option to the player will be deprecated in 6.0');\n        this.currentTime(this.options_.starttime);\n      }\n\n      this.addClass('vjs-has-started');\n      /**\n       * Fired the first time a video is played. Not part of the HLS spec, and this is\n       * probably not the best implementation yet, so use sparingly. If you don't have a\n       * reason to prevent playback, use `myPlayer.one('play');` instead.\n       *\n       * @event Player#firstplay\n       * @deprecated As of 6.0 firstplay event is deprecated.\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('firstplay');\n    }\n    /**\n     * Retrigger the `pause` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#pause\n     * @listens Tech#pause\n     * @private\n     */\n    ;\n\n    _proto.handleTechPause_ = function handleTechPause_() {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-paused');\n      /**\n       * Fired whenever the media has been paused\n       *\n       * @event Player#pause\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('pause');\n    }\n    /**\n     * Retrigger the `ended` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#ended\n     * @listens Tech#ended\n     * @private\n     */\n    ;\n\n    _proto.handleTechEnded_ = function handleTechEnded_() {\n      this.addClass('vjs-ended');\n\n      if (this.options_.loop) {\n        this.currentTime(0);\n        this.play();\n      } else if (!this.paused()) {\n        this.pause();\n      }\n      /**\n       * Fired when the end of the media resource is reached (currentTime == duration)\n       *\n       * @event Player#ended\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger('ended');\n    }\n    /**\n     * Fired when the duration of the media resource is first known or changed\n     *\n     * @listens Tech#durationchange\n     * @private\n     */\n    ;\n\n    _proto.handleTechDurationChange_ = function handleTechDurationChange_() {\n      this.duration(this.techGet_('duration'));\n    }\n    /**\n     * Handle a click on the media element to play/pause\n     *\n     * @param {EventTarget~Event} event\n     *        the event that caused this function to trigger\n     *\n     * @listens Tech#mouseup\n     * @private\n     */\n    ;\n\n    _proto.handleTechClick_ = function handleTechClick_(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      } // When controls are disabled a click should not toggle playback because\n      // the click is considered a control\n\n\n      if (!this.controls_) {\n        return;\n      }\n\n      if (this.paused()) {\n        silencePromise(this.play());\n      } else {\n        this.pause();\n      }\n    }\n    /**\n     * Handle a double-click on the media element to enter/exit fullscreen\n     *\n     * @param {EventTarget~Event} event\n     *        the event that caused this function to trigger\n     *\n     * @listens Tech#dblclick\n     * @private\n     */\n    ;\n\n    _proto.handleTechDoubleClick_ = function handleTechDoubleClick_(event) {\n      if (!this.controls_) {\n        return;\n      } // we do not want to toggle fullscreen state\n      // when double-clicking inside a control bar or a modal\n\n\n      var inAllowedEls = Array.prototype.some.call(this.$$('.vjs-control-bar, .vjs-modal-dialog'), function (el) {\n        return el.contains(event.target);\n      });\n\n      if (!inAllowedEls) {\n        /*\n         * options.userActions.doubleClick\n         *\n         * If `undefined` or `true`, double-click toggles fullscreen if controls are present\n         * Set to `false` to disable double-click handling\n         * Set to a function to substitute an external double-click handler\n         */\n        if (this.options_ === undefined || this.options_.userActions === undefined || this.options_.userActions.doubleClick === undefined || this.options_.userActions.doubleClick !== false) {\n          if (this.options_ !== undefined && this.options_.userActions !== undefined && typeof this.options_.userActions.doubleClick === 'function') {\n            this.options_.userActions.doubleClick.call(this, event);\n          } else if (this.isFullscreen()) {\n            this.exitFullscreen();\n          } else {\n            this.requestFullscreen();\n          }\n        }\n      }\n    }\n    /**\n     * Handle a tap on the media element. It will toggle the user\n     * activity state, which hides and shows the controls.\n     *\n     * @listens Tech#tap\n     * @private\n     */\n    ;\n\n    _proto.handleTechTap_ = function handleTechTap_() {\n      this.userActive(!this.userActive());\n    }\n    /**\n     * Handle touch to start\n     *\n     * @listens Tech#touchstart\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchStart_ = function handleTechTouchStart_() {\n      this.userWasActive = this.userActive();\n    }\n    /**\n     * Handle touch to move\n     *\n     * @listens Tech#touchmove\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchMove_ = function handleTechTouchMove_() {\n      if (this.userWasActive) {\n        this.reportUserActivity();\n      }\n    }\n    /**\n     * Handle touch to end\n     *\n     * @param {EventTarget~Event} event\n     *        the touchend event that triggered\n     *        this function\n     *\n     * @listens Tech#touchend\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {\n      // Stop the mouse events from also happening\n      event.preventDefault();\n    }\n    /**\n     * native click events on the SWF aren't triggered on IE11, Win8.1RT\n     * use stageclick events triggered from inside the SWF instead\n     *\n     * @private\n     * @listens stageclick\n     */\n    ;\n\n    _proto.handleStageClick_ = function handleStageClick_() {\n      this.reportUserActivity();\n    }\n    /**\n     * @private\n     */\n    ;\n\n    _proto.toggleFullscreenClass_ = function toggleFullscreenClass_() {\n      if (this.isFullscreen()) {\n        this.addClass('vjs-fullscreen');\n      } else {\n        this.removeClass('vjs-fullscreen');\n      }\n    }\n    /**\n     * when the document fschange event triggers it calls this\n     */\n    ;\n\n    _proto.documentFullscreenChange_ = function documentFullscreenChange_(e) {\n      var targetPlayer = e.target.player; // if another player was fullscreen\n      // do a null check for targetPlayer because older firefox's would put document as e.target\n\n      if (targetPlayer && targetPlayer !== this) {\n        return;\n      }\n\n      var el = this.el();\n      var isFs = document[this.fsApi_.fullscreenElement] === el;\n\n      if (!isFs && el.matches) {\n        isFs = el.matches(':' + this.fsApi_.fullscreen);\n      } else if (!isFs && el.msMatchesSelector) {\n        isFs = el.msMatchesSelector(':' + this.fsApi_.fullscreen);\n      }\n\n      this.isFullscreen(isFs);\n    }\n    /**\n     * Handle Tech Fullscreen Change\n     *\n     * @param {EventTarget~Event} event\n     *        the fullscreenchange event that triggered this function\n     *\n     * @param {Object} data\n     *        the data that was sent with the event\n     *\n     * @private\n     * @listens Tech#fullscreenchange\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {\n      if (data) {\n        this.isFullscreen(data.isFullscreen);\n      }\n    }\n    /**\n     * @private\n     */\n    ;\n\n    _proto.togglePictureInPictureClass_ = function togglePictureInPictureClass_() {\n      if (this.isInPictureInPicture()) {\n        this.addClass('vjs-picture-in-picture');\n      } else {\n        this.removeClass('vjs-picture-in-picture');\n      }\n    }\n    /**\n     * Handle Tech Enter Picture-in-Picture.\n     *\n     * @param {EventTarget~Event} event\n     *        the enterpictureinpicture event that triggered this function\n     *\n     * @private\n     * @listens Tech#enterpictureinpicture\n     */\n    ;\n\n    _proto.handleTechEnterPictureInPicture_ = function handleTechEnterPictureInPicture_(event) {\n      this.isInPictureInPicture(true);\n    }\n    /**\n     * Handle Tech Leave Picture-in-Picture.\n     *\n     * @param {EventTarget~Event} event\n     *        the leavepictureinpicture event that triggered this function\n     *\n     * @private\n     * @listens Tech#leavepictureinpicture\n     */\n    ;\n\n    _proto.handleTechLeavePictureInPicture_ = function handleTechLeavePictureInPicture_(event) {\n      this.isInPictureInPicture(false);\n    }\n    /**\n     * Fires when an error occurred during the loading of an audio/video.\n     *\n     * @private\n     * @listens Tech#error\n     */\n    ;\n\n    _proto.handleTechError_ = function handleTechError_() {\n      var error = this.tech_.error();\n      this.error(error);\n    }\n    /**\n     * Retrigger the `textdata` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#textdata\n     * @listens Tech#textdata\n     * @private\n     */\n    ;\n\n    _proto.handleTechTextData_ = function handleTechTextData_() {\n      var data = null;\n\n      if (arguments.length > 1) {\n        data = arguments[1];\n      }\n      /**\n       * Fires when we get a textdata event from tech\n       *\n       * @event Player#textdata\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger('textdata', data);\n    }\n    /**\n     * Get object for cached values.\n     *\n     * @return {Object}\n     *         get the current object cache\n     */\n    ;\n\n    _proto.getCache = function getCache() {\n      return this.cache_;\n    }\n    /**\n     * Resets the internal cache object.\n     *\n     * Using this function outside the player constructor or reset method may\n     * have unintended side-effects.\n     *\n     * @private\n     */\n    ;\n\n    _proto.resetCache_ = function resetCache_() {\n      this.cache_ = {\n        // Right now, the currentTime is not _really_ cached because it is always\n        // retrieved from the tech (see: currentTime). However, for completeness,\n        // we set it to zero here to ensure that if we do start actually caching\n        // it, we reset it along with everything else.\n        currentTime: 0,\n        inactivityTimeout: this.options_.inactivityTimeout,\n        duration: NaN,\n        lastVolume: 1,\n        lastPlaybackRate: this.defaultPlaybackRate(),\n        media: null,\n        src: '',\n        source: {},\n        sources: [],\n        volume: 1\n      };\n    }\n    /**\n     * Pass values to the playback tech\n     *\n     * @param {string} [method]\n     *        the method to call\n     *\n     * @param {Object} arg\n     *        the argument to pass\n     *\n     * @private\n     */\n    ;\n\n    _proto.techCall_ = function techCall_(method, arg) {\n      // If it's not ready yet, call method when it is\n      this.ready(function () {\n        if (method in allowedSetters) {\n          return set(this.middleware_, this.tech_, method, arg);\n        } else if (method in allowedMediators) {\n          return mediate(this.middleware_, this.tech_, method, arg);\n        }\n\n        try {\n          if (this.tech_) {\n            this.tech_[method](arg);\n          }\n        } catch (e) {\n          log(e);\n          throw e;\n        }\n      }, true);\n    }\n    /**\n     * Get calls can't wait for the tech, and sometimes don't need to.\n     *\n     * @param {string} method\n     *        Tech method\n     *\n     * @return {Function|undefined}\n     *         the method or undefined\n     *\n     * @private\n     */\n    ;\n\n    _proto.techGet_ = function techGet_(method) {\n      if (!this.tech_ || !this.tech_.isReady_) {\n        return;\n      }\n\n      if (method in allowedGetters) {\n        return get(this.middleware_, this.tech_, method);\n      } else if (method in allowedMediators) {\n        return mediate(this.middleware_, this.tech_, method);\n      } // Flash likes to die and reload when you hide or reposition it.\n      // In these cases the object methods go away and we get errors.\n      // When that happens we'll catch the errors and inform tech that it's not ready any more.\n\n\n      try {\n        return this.tech_[method]();\n      } catch (e) {\n        // When building additional tech libs, an expected method may not be defined yet\n        if (this.tech_[method] === undefined) {\n          log(\"Video.js: \" + method + \" method not defined for \" + this.techName_ + \" playback technology.\", e);\n          throw e;\n        } // When a method isn't available on the object it throws a TypeError\n\n\n        if (e.name === 'TypeError') {\n          log(\"Video.js: \" + method + \" unavailable on \" + this.techName_ + \" playback technology element.\", e);\n          this.tech_.isReady_ = false;\n          throw e;\n        } // If error unknown, just log and throw\n\n\n        log(e);\n        throw e;\n      }\n    }\n    /**\n     * Attempt to begin playback at the first opportunity.\n     *\n     * @return {Promise|undefined}\n     *         Returns a promise if the browser supports Promises (or one\n     *         was passed in as an option). This promise will be resolved on\n     *         the return value of play. If this is undefined it will fulfill the\n     *         promise chain otherwise the promise chain will be fulfilled when\n     *         the promise from play is fulfilled.\n     */\n    ;\n\n    _proto.play = function play() {\n      var _this8 = this;\n\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (PromiseClass) {\n        return new PromiseClass(function (resolve) {\n          _this8.play_(resolve);\n        });\n      }\n\n      return this.play_();\n    }\n    /**\n     * The actual logic for play, takes a callback that will be resolved on the\n     * return value of play. This allows us to resolve to the play promise if there\n     * is one on modern browsers.\n     *\n     * @private\n     * @param {Function} [callback]\n     *        The callback that should be called when the techs play is actually called\n     */\n    ;\n\n    _proto.play_ = function play_(callback) {\n      var _this9 = this;\n\n      if (callback === void 0) {\n        callback = silencePromise;\n      }\n\n      this.playCallbacks_.push(callback);\n      var isSrcReady = Boolean(!this.changingSrc_ && (this.src() || this.currentSrc())); // treat calls to play_ somewhat like the `one` event function\n\n      if (this.waitToPlay_) {\n        this.off(['ready', 'loadstart'], this.waitToPlay_);\n        this.waitToPlay_ = null;\n      } // if the player/tech is not ready or the src itself is not ready\n      // queue up a call to play on `ready` or `loadstart`\n\n\n      if (!this.isReady_ || !isSrcReady) {\n        this.waitToPlay_ = function (e) {\n          _this9.play_();\n        };\n\n        this.one(['ready', 'loadstart'], this.waitToPlay_); // if we are in Safari, there is a high chance that loadstart will trigger after the gesture timeperiod\n        // in that case, we need to prime the video element by calling load so it'll be ready in time\n\n        if (!isSrcReady && (IS_ANY_SAFARI || IS_IOS)) {\n          this.load();\n        }\n\n        return;\n      } // If the player/tech is ready and we have a source, we can attempt playback.\n\n\n      var val = this.techGet_('play'); // play was terminated if the returned value is null\n\n      if (val === null) {\n        this.runPlayTerminatedQueue_();\n      } else {\n        this.runPlayCallbacks_(val);\n      }\n    }\n    /**\n     * These functions will be run when if play is terminated. If play\n     * runPlayCallbacks_ is run these function will not be run. This allows us\n     * to differenciate between a terminated play and an actual call to play.\n     */\n    ;\n\n    _proto.runPlayTerminatedQueue_ = function runPlayTerminatedQueue_() {\n      var queue = this.playTerminatedQueue_.slice(0);\n      this.playTerminatedQueue_ = [];\n      queue.forEach(function (q) {\n        q();\n      });\n    }\n    /**\n     * When a callback to play is delayed we have to run these\n     * callbacks when play is actually called on the tech. This function\n     * runs the callbacks that were delayed and accepts the return value\n     * from the tech.\n     *\n     * @param {undefined|Promise} val\n     *        The return value from the tech.\n     */\n    ;\n\n    _proto.runPlayCallbacks_ = function runPlayCallbacks_(val) {\n      var callbacks = this.playCallbacks_.slice(0);\n      this.playCallbacks_ = []; // clear play terminatedQueue since we finished a real play\n\n      this.playTerminatedQueue_ = [];\n      callbacks.forEach(function (cb) {\n        cb(val);\n      });\n    }\n    /**\n     * Pause the video playback\n     *\n     * @return {Player}\n     *         A reference to the player object this function was called on\n     */\n    ;\n\n    _proto.pause = function pause() {\n      this.techCall_('pause');\n    }\n    /**\n     * Check if the player is paused or has yet to play\n     *\n     * @return {boolean}\n     *         - false: if the media is currently playing\n     *         - true: if media is not currently playing\n     */\n    ;\n\n    _proto.paused = function paused() {\n      // The initial state of paused should be true (in Safari it's actually false)\n      return this.techGet_('paused') === false ? false : true;\n    }\n    /**\n     * Get a TimeRange object representing the current ranges of time that the user\n     * has played.\n     *\n     * @return {TimeRange}\n     *         A time range object that represents all the increments of time that have\n     *         been played.\n     */\n    ;\n\n    _proto.played = function played() {\n      return this.techGet_('played') || createTimeRanges(0, 0);\n    }\n    /**\n     * Returns whether or not the user is \"scrubbing\". Scrubbing is\n     * when the user has clicked the progress bar handle and is\n     * dragging it along the progress bar.\n     *\n     * @param {boolean} [isScrubbing]\n     *        whether the user is or is not scrubbing\n     *\n     * @return {boolean}\n     *         The value of scrubbing when getting\n     */\n    ;\n\n    _proto.scrubbing = function scrubbing(isScrubbing) {\n      if (typeof isScrubbing === 'undefined') {\n        return this.scrubbing_;\n      }\n\n      this.scrubbing_ = !!isScrubbing;\n\n      if (isScrubbing) {\n        this.addClass('vjs-scrubbing');\n      } else {\n        this.removeClass('vjs-scrubbing');\n      }\n    }\n    /**\n     * Get or set the current time (in seconds)\n     *\n     * @param {number|string} [seconds]\n     *        The time to seek to in seconds\n     *\n     * @return {number}\n     *         - the current time in seconds when getting\n     */\n    ;\n\n    _proto.currentTime = function currentTime(seconds) {\n      if (typeof seconds !== 'undefined') {\n        if (seconds < 0) {\n          seconds = 0;\n        }\n\n        this.techCall_('setCurrentTime', seconds);\n        return;\n      } // cache last currentTime and return. default to 0 seconds\n      //\n      // Caching the currentTime is meant to prevent a massive amount of reads on the tech's\n      // currentTime when scrubbing, but may not provide much performance benefit afterall.\n      // Should be tested. Also something has to read the actual current time or the cache will\n      // never get updated.\n\n\n      this.cache_.currentTime = this.techGet_('currentTime') || 0;\n      return this.cache_.currentTime;\n    }\n    /**\n     * Normally gets the length in time of the video in seconds;\n     * in all but the rarest use cases an argument will NOT be passed to the method\n     *\n     * > **NOTE**: The video must have started loading before the duration can be\n     * known, and in the case of Flash, may not be known until the video starts\n     * playing.\n     *\n     * @fires Player#durationchange\n     *\n     * @param {number} [seconds]\n     *        The duration of the video to set in seconds\n     *\n     * @return {number}\n     *         - The duration of the video in seconds when getting\n     */\n    ;\n\n    _proto.duration = function duration(seconds) {\n      if (seconds === undefined) {\n        // return NaN if the duration is not known\n        return this.cache_.duration !== undefined ? this.cache_.duration : NaN;\n      }\n\n      seconds = parseFloat(seconds); // Standardize on Infinity for signaling video is live\n\n      if (seconds < 0) {\n        seconds = Infinity;\n      }\n\n      if (seconds !== this.cache_.duration) {\n        // Cache the last set value for optimized scrubbing (esp. Flash)\n        this.cache_.duration = seconds;\n\n        if (seconds === Infinity) {\n          this.addClass('vjs-live');\n        } else {\n          this.removeClass('vjs-live');\n        }\n\n        if (!isNaN(seconds)) {\n          // Do not fire durationchange unless the duration value is known.\n          // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}\n\n          /**\n           * @event Player#durationchange\n           * @type {EventTarget~Event}\n           */\n          this.trigger('durationchange');\n        }\n      }\n    }\n    /**\n     * Calculates how much time is left in the video. Not part\n     * of the native video API.\n     *\n     * @return {number}\n     *         The time remaining in seconds\n     */\n    ;\n\n    _proto.remainingTime = function remainingTime() {\n      return this.duration() - this.currentTime();\n    }\n    /**\n     * A remaining time function that is intented to be used when\n     * the time is to be displayed directly to the user.\n     *\n     * @return {number}\n     *         The rounded time remaining in seconds\n     */\n    ;\n\n    _proto.remainingTimeDisplay = function remainingTimeDisplay() {\n      return Math.floor(this.duration()) - Math.floor(this.currentTime());\n    } //\n    // Kind of like an array of portions of the video that have been downloaded.\n\n    /**\n     * Get a TimeRange object with an array of the times of the video\n     * that have been downloaded. If you just want the percent of the\n     * video that's been downloaded, use bufferedPercent.\n     *\n     * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}\n     *\n     * @return {TimeRange}\n     *         A mock TimeRange object (following HTML spec)\n     */\n    ;\n\n    _proto.buffered = function buffered() {\n      var buffered = this.techGet_('buffered');\n\n      if (!buffered || !buffered.length) {\n        buffered = createTimeRanges(0, 0);\n      }\n\n      return buffered;\n    }\n    /**\n     * Get the percent (as a decimal) of the video that's been downloaded.\n     * This method is not a part of the native HTML video API.\n     *\n     * @return {number}\n     *         A decimal between 0 and 1 representing the percent\n     *         that is buffered 0 being 0% and 1 being 100%\n     */\n    ;\n\n    _proto.bufferedPercent = function bufferedPercent$1() {\n      return bufferedPercent(this.buffered(), this.duration());\n    }\n    /**\n     * Get the ending time of the last buffered time range\n     * This is used in the progress bar to encapsulate all time ranges.\n     *\n     * @return {number}\n     *         The end of the last buffered time range\n     */\n    ;\n\n    _proto.bufferedEnd = function bufferedEnd() {\n      var buffered = this.buffered();\n      var duration = this.duration();\n      var end = buffered.end(buffered.length - 1);\n\n      if (end > duration) {\n        end = duration;\n      }\n\n      return end;\n    }\n    /**\n     * Get or set the current volume of the media\n     *\n     * @param  {number} [percentAsDecimal]\n     *         The new volume as a decimal percent:\n     *         - 0 is muted/0%/off\n     *         - 1.0 is 100%/full\n     *         - 0.5 is half volume or 50%\n     *\n     * @return {number}\n     *         The current volume as a percent when getting\n     */\n    ;\n\n    _proto.volume = function volume(percentAsDecimal) {\n      var vol;\n\n      if (percentAsDecimal !== undefined) {\n        // Force value to between 0 and 1\n        vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));\n        this.cache_.volume = vol;\n        this.techCall_('setVolume', vol);\n\n        if (vol > 0) {\n          this.lastVolume_(vol);\n        }\n\n        return;\n      } // Default to 1 when returning current volume.\n\n\n      vol = parseFloat(this.techGet_('volume'));\n      return isNaN(vol) ? 1 : vol;\n    }\n    /**\n     * Get the current muted state, or turn mute on or off\n     *\n     * @param {boolean} [muted]\n     *        - true to mute\n     *        - false to unmute\n     *\n     * @return {boolean}\n     *         - true if mute is on and getting\n     *         - false if mute is off and getting\n     */\n    ;\n\n    _proto.muted = function muted(_muted) {\n      if (_muted !== undefined) {\n        this.techCall_('setMuted', _muted);\n        return;\n      }\n\n      return this.techGet_('muted') || false;\n    }\n    /**\n     * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted\n     * indicates the state of muted on initial playback.\n     *\n     * ```js\n     *   var myPlayer = videojs('some-player-id');\n     *\n     *   myPlayer.src(\"http://www.example.com/path/to/video.mp4\");\n     *\n     *   // get, should be false\n     *   console.log(myPlayer.defaultMuted());\n     *   // set to true\n     *   myPlayer.defaultMuted(true);\n     *   // get should be true\n     *   console.log(myPlayer.defaultMuted());\n     * ```\n     *\n     * @param {boolean} [defaultMuted]\n     *        - true to mute\n     *        - false to unmute\n     *\n     * @return {boolean|Player}\n     *         - true if defaultMuted is on and getting\n     *         - false if defaultMuted is off and getting\n     *         - A reference to the current player when setting\n     */\n    ;\n\n    _proto.defaultMuted = function defaultMuted(_defaultMuted) {\n      if (_defaultMuted !== undefined) {\n        return this.techCall_('setDefaultMuted', _defaultMuted);\n      }\n\n      return this.techGet_('defaultMuted') || false;\n    }\n    /**\n     * Get the last volume, or set it\n     *\n     * @param  {number} [percentAsDecimal]\n     *         The new last volume as a decimal percent:\n     *         - 0 is muted/0%/off\n     *         - 1.0 is 100%/full\n     *         - 0.5 is half volume or 50%\n     *\n     * @return {number}\n     *         the current value of lastVolume as a percent when getting\n     *\n     * @private\n     */\n    ;\n\n    _proto.lastVolume_ = function lastVolume_(percentAsDecimal) {\n      if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {\n        this.cache_.lastVolume = percentAsDecimal;\n        return;\n      }\n\n      return this.cache_.lastVolume;\n    }\n    /**\n     * Check if current tech can support native fullscreen\n     * (e.g. with built in controls like iOS, so not our flash swf)\n     *\n     * @return {boolean}\n     *         if native fullscreen is supported\n     */\n    ;\n\n    _proto.supportsFullScreen = function supportsFullScreen() {\n      return this.techGet_('supportsFullScreen') || false;\n    }\n    /**\n     * Check if the player is in fullscreen mode or tell the player that it\n     * is or is not in fullscreen mode.\n     *\n     * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official\n     * property and instead document.fullscreenElement is used. But isFullscreen is\n     * still a valuable property for internal player workings.\n     *\n     * @param  {boolean} [isFS]\n     *         Set the players current fullscreen state\n     *\n     * @return {boolean}\n     *         - true if fullscreen is on and getting\n     *         - false if fullscreen is off and getting\n     */\n    ;\n\n    _proto.isFullscreen = function isFullscreen(isFS) {\n      if (isFS !== undefined) {\n        var oldValue = this.isFullscreen_;\n        this.isFullscreen_ = Boolean(isFS); // if we changed fullscreen state and we're in prefixed mode, trigger fullscreenchange\n        // this is the only place where we trigger fullscreenchange events for older browsers\n        // fullWindow mode is treated as a prefixed event and will get a fullscreenchange event as well\n\n        if (this.isFullscreen_ !== oldValue && this.fsApi_.prefixed) {\n          /**\n             * @event Player#fullscreenchange\n             * @type {EventTarget~Event}\n             */\n          this.trigger('fullscreenchange');\n        }\n\n        this.toggleFullscreenClass_();\n        return;\n      }\n\n      return this.isFullscreen_;\n    }\n    /**\n     * Increase the size of the video to full screen\n     * In some browsers, full screen is not supported natively, so it enters\n     * \"full window mode\", where the video fills the browser window.\n     * In browsers and devices that support native full screen, sometimes the\n     * browser's default controls will be shown, and not the Video.js custom skin.\n     * This includes most mobile devices (iOS, Android) and older versions of\n     * Safari.\n     *\n     * @param  {Object} [fullscreenOptions]\n     *         Override the player fullscreen options\n     *\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.requestFullscreen = function requestFullscreen(fullscreenOptions) {\n      var _this10 = this;\n\n      var fsOptions; // Only pass fullscreen options to requestFullscreen in spec-compliant browsers.\n      // Use defaults or player configured option unless passed directly to this method.\n\n      if (!this.fsApi_.prefixed) {\n        fsOptions = this.options_.fullscreen && this.options_.fullscreen.options || {};\n\n        if (fullscreenOptions !== undefined) {\n          fsOptions = fullscreenOptions;\n        }\n      } // This method works as follows:\n      // 1. if a fullscreen api is available, use it\n      //   1. call requestFullscreen with potential options\n      //   2. if we got a promise from above, use it to update isFullscreen()\n      // 2. otherwise, if the tech supports fullscreen, call `enterFullScreen` on it.\n      //   This is particularly used for iPhone, older iPads, and non-safari browser on iOS.\n      // 3. otherwise, use \"fullWindow\" mode\n\n\n      if (this.fsApi_.requestFullscreen) {\n        var promise = this.el_[this.fsApi_.requestFullscreen](fsOptions);\n\n        if (promise) {\n          promise.then(function () {\n            return _this10.isFullscreen(true);\n          }, function () {\n            return _this10.isFullscreen(false);\n          });\n        }\n\n        return promise;\n      } else if (this.tech_.supportsFullScreen()) {\n        // we can't take the video.js controls fullscreen but we can go fullscreen\n        // with native controls\n        this.techCall_('enterFullScreen');\n      } else {\n        // fullscreen isn't supported so we'll just stretch the video element to\n        // fill the viewport\n        this.enterFullWindow();\n      }\n    }\n    /**\n     * Return the video to its normal size after having been in full screen mode\n     *\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.exitFullscreen = function exitFullscreen() {\n      var _this11 = this;\n\n      if (this.fsApi_.requestFullscreen) {\n        var promise = document[this.fsApi_.exitFullscreen]();\n\n        if (promise) {\n          promise.then(function () {\n            return _this11.isFullscreen(false);\n          });\n        }\n\n        return promise;\n      } else if (this.tech_.supportsFullScreen()) {\n        this.techCall_('exitFullScreen');\n      } else {\n        this.exitFullWindow();\n      }\n    }\n    /**\n     * When fullscreen isn't supported we can stretch the\n     * video container to as wide as the browser will let us.\n     *\n     * @fires Player#enterFullWindow\n     */\n    ;\n\n    _proto.enterFullWindow = function enterFullWindow() {\n      this.isFullscreen(true);\n      this.isFullWindow = true; // Storing original doc overflow value to return to when fullscreen is off\n\n      this.docOrigOverflow = document.documentElement.style.overflow; // Add listener for esc key to exit fullscreen\n\n      on(document, 'keydown', this.boundFullWindowOnEscKey_); // Hide any scroll bars\n\n      document.documentElement.style.overflow = 'hidden'; // Apply fullscreen styles\n\n      addClass(document.body, 'vjs-full-window');\n      /**\n       * @event Player#enterFullWindow\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('enterFullWindow');\n    }\n    /**\n     * Check for call to either exit full window or\n     * full screen on ESC key\n     *\n     * @param {string} event\n     *        Event to check for key press\n     */\n    ;\n\n    _proto.fullWindowOnEscKey = function fullWindowOnEscKey(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        if (this.isFullscreen() === true) {\n          this.exitFullscreen();\n        } else {\n          this.exitFullWindow();\n        }\n      }\n    }\n    /**\n     * Exit full window\n     *\n     * @fires Player#exitFullWindow\n     */\n    ;\n\n    _proto.exitFullWindow = function exitFullWindow() {\n      this.isFullscreen(false);\n      this.isFullWindow = false;\n      off(document, 'keydown', this.boundFullWindowOnEscKey_); // Unhide scroll bars.\n\n      document.documentElement.style.overflow = this.docOrigOverflow; // Remove fullscreen styles\n\n      removeClass(document.body, 'vjs-full-window'); // Resize the box, controller, and poster to original sizes\n      // this.positionAll();\n\n      /**\n       * @event Player#exitFullWindow\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('exitFullWindow');\n    }\n    /**\n     * Check if the player is in Picture-in-Picture mode or tell the player that it\n     * is or is not in Picture-in-Picture mode.\n     *\n     * @param  {boolean} [isPiP]\n     *         Set the players current Picture-in-Picture state\n     *\n     * @return {boolean}\n     *         - true if Picture-in-Picture is on and getting\n     *         - false if Picture-in-Picture is off and getting\n     */\n    ;\n\n    _proto.isInPictureInPicture = function isInPictureInPicture(isPiP) {\n      if (isPiP !== undefined) {\n        this.isInPictureInPicture_ = !!isPiP;\n        this.togglePictureInPictureClass_();\n        return;\n      }\n\n      return !!this.isInPictureInPicture_;\n    }\n    /**\n     * Create a floating video window always on top of other windows so that users may\n     * continue consuming media while they interact with other content sites, or\n     * applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @fires Player#enterpictureinpicture\n     *\n     * @return {Promise}\n     *         A promise with a Picture-in-Picture window.\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      if ('pictureInPictureEnabled' in document) {\n        /**\n         * This event fires when the player enters picture in picture mode\n         *\n         * @event Player#enterpictureinpicture\n         * @type {EventTarget~Event}\n         */\n        return this.techGet_('requestPictureInPicture');\n      }\n    }\n    /**\n     * Exit Picture-in-Picture mode.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @fires Player#leavepictureinpicture\n     *\n     * @return {Promise}\n     *         A promise.\n     */\n    ;\n\n    _proto.exitPictureInPicture = function exitPictureInPicture() {\n      if ('pictureInPictureEnabled' in document) {\n        /**\n         * This event fires when the player leaves picture in picture mode\n         *\n         * @event Player#leavepictureinpicture\n         * @type {EventTarget~Event}\n         */\n        return document.exitPictureInPicture();\n      }\n    }\n    /**\n     * Called when this Player has focus and a key gets pressed down, or when\n     * any Component of this player receives a key press that it doesn't handle.\n     * This allows player-wide hotkeys (either as defined below, or optionally\n     * by an external function).\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      var userActions = this.options_.userActions; // Bail out if hotkeys are not configured.\n\n      if (!userActions || !userActions.hotkeys) {\n        return;\n      } // Function that determines whether or not to exclude an element from\n      // hotkeys handling.\n\n\n      var excludeElement = function excludeElement(el) {\n        var tagName = el.tagName.toLowerCase(); // The first and easiest test is for `contenteditable` elements.\n\n        if (el.isContentEditable) {\n          return true;\n        } // Inputs matching these types will still trigger hotkey handling as\n        // they are not text inputs.\n\n\n        var allowedInputTypes = ['button', 'checkbox', 'hidden', 'radio', 'reset', 'submit'];\n\n        if (tagName === 'input') {\n          return allowedInputTypes.indexOf(el.type) === -1;\n        } // The final test is by tag name. These tags will be excluded entirely.\n\n\n        var excludedTags = ['textarea'];\n        return excludedTags.indexOf(tagName) !== -1;\n      }; // Bail out if the user is focused on an interactive form element.\n\n\n      if (excludeElement(this.el_.ownerDocument.activeElement)) {\n        return;\n      }\n\n      if (typeof userActions.hotkeys === 'function') {\n        userActions.hotkeys.call(this, event);\n      } else {\n        this.handleHotkeys(event);\n      }\n    }\n    /**\n     * Called when this Player receives a hotkey keydown event.\n     * Supported player-wide hotkeys are:\n     *\n     *   f          - toggle fullscreen\n     *   m          - toggle mute\n     *   k or Space - toggle play/pause\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleHotkeys = function handleHotkeys(event) {\n      var hotkeys = this.options_.userActions ? this.options_.userActions.hotkeys : {}; // set fullscreenKey, muteKey, playPauseKey from `hotkeys`, use defaults if not set\n\n      var _hotkeys$fullscreenKe = hotkeys.fullscreenKey,\n          fullscreenKey = _hotkeys$fullscreenKe === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'f');\n      } : _hotkeys$fullscreenKe,\n          _hotkeys$muteKey = hotkeys.muteKey,\n          muteKey = _hotkeys$muteKey === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'm');\n      } : _hotkeys$muteKey,\n          _hotkeys$playPauseKey = hotkeys.playPauseKey,\n          playPauseKey = _hotkeys$playPauseKey === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'k') || keycode.isEventKey(keydownEvent, 'Space');\n      } : _hotkeys$playPauseKey;\n\n      if (fullscreenKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var FSToggle = Component.getComponent('FullscreenToggle');\n\n        if (document[this.fsApi_.fullscreenEnabled] !== false) {\n          FSToggle.prototype.handleClick.call(this, event);\n        }\n      } else if (muteKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var MuteToggle = Component.getComponent('MuteToggle');\n        MuteToggle.prototype.handleClick.call(this, event);\n      } else if (playPauseKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var PlayToggle = Component.getComponent('PlayToggle');\n        PlayToggle.prototype.handleClick.call(this, event);\n      }\n    }\n    /**\n     * Check whether the player can play a given mimetype\n     *\n     * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype\n     *\n     * @param {string} type\n     *        The mimetype to check\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n    ;\n\n    _proto.canPlayType = function canPlayType(type) {\n      var can; // Loop through each playback technology in the options order\n\n      for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {\n        var techName = j[i];\n        var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.\n        // Remove once that deprecated behavior is removed.\n\n        if (!tech) {\n          tech = Component.getComponent(techName);\n        } // Check if the current tech is defined before continuing\n\n\n        if (!tech) {\n          log.error(\"The \\\"\" + techName + \"\\\" tech is undefined. Skipped browser support check for that tech.\");\n          continue;\n        } // Check if the browser supports this technology\n\n\n        if (tech.isSupported()) {\n          can = tech.canPlayType(type);\n\n          if (can) {\n            return can;\n          }\n        }\n      }\n\n      return '';\n    }\n    /**\n     * Select source based on tech-order or source-order\n     * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,\n     * defaults to tech-order selection\n     *\n     * @param {Array} sources\n     *        The sources for a media asset\n     *\n     * @return {Object|boolean}\n     *         Object of source and tech order or false\n     */\n    ;\n\n    _proto.selectSource = function selectSource(sources) {\n      var _this12 = this;\n\n      // Get only the techs specified in `techOrder` that exist and are supported by the\n      // current platform\n      var techs = this.options_.techOrder.map(function (techName) {\n        return [techName, Tech.getTech(techName)];\n      }).filter(function (_ref) {\n        var techName = _ref[0],\n            tech = _ref[1];\n\n        // Check if the current tech is defined before continuing\n        if (tech) {\n          // Check if the browser supports this technology\n          return tech.isSupported();\n        }\n\n        log.error(\"The \\\"\" + techName + \"\\\" tech is undefined. Skipped browser support check for that tech.\");\n        return false;\n      }); // Iterate over each `innerArray` element once per `outerArray` element and execute\n      // `tester` with both. If `tester` returns a non-falsy value, exit early and return\n      // that value.\n\n      var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {\n        var found;\n        outerArray.some(function (outerChoice) {\n          return innerArray.some(function (innerChoice) {\n            found = tester(outerChoice, innerChoice);\n\n            if (found) {\n              return true;\n            }\n          });\n        });\n        return found;\n      };\n\n      var foundSourceAndTech;\n\n      var flip = function flip(fn) {\n        return function (a, b) {\n          return fn(b, a);\n        };\n      };\n\n      var finder = function finder(_ref2, source) {\n        var techName = _ref2[0],\n            tech = _ref2[1];\n\n        if (tech.canPlaySource(source, _this12.options_[techName.toLowerCase()])) {\n          return {\n            source: source,\n            tech: techName\n          };\n        }\n      }; // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources\n      // to select from them based on their priority.\n\n\n      if (this.options_.sourceOrder) {\n        // Source-first ordering\n        foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));\n      } else {\n        // Tech-first ordering\n        foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);\n      }\n\n      return foundSourceAndTech || false;\n    }\n    /**\n     * Get or set the video source.\n     *\n     * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]\n     *        A SourceObject, an array of SourceObjects, or a string referencing\n     *        a URL to a media source. It is _highly recommended_ that an object\n     *        or array of objects is used here, so that source selection\n     *        algorithms can take the `type` into account.\n     *\n     *        If not provided, this method acts as a getter.\n     *\n     * @return {string|undefined}\n     *         If the `source` argument is missing, returns the current source\n     *         URL. Otherwise, returns nothing/undefined.\n     */\n    ;\n\n    _proto.src = function src(source) {\n      var _this13 = this;\n\n      // getter usage\n      if (typeof source === 'undefined') {\n        return this.cache_.src || '';\n      } // filter out invalid sources and turn our source into\n      // an array of source objects\n\n\n      var sources = filterSource(source); // if a source was passed in then it is invalid because\n      // it was filtered to a zero length Array. So we have to\n      // show an error\n\n      if (!sources.length) {\n        this.setTimeout(function () {\n          this.error({\n            code: 4,\n            message: this.localize(this.options_.notSupportedMessage)\n          });\n        }, 0);\n        return;\n      } // intial sources\n\n\n      this.changingSrc_ = true;\n      this.cache_.sources = sources;\n      this.updateSourceCaches_(sources[0]); // middlewareSource is the source after it has been changed by middleware\n\n      setSource(this, sources[0], function (middlewareSource, mws) {\n        _this13.middleware_ = mws; // since sourceSet is async we have to update the cache again after we select a source since\n        // the source that is selected could be out of order from the cache update above this callback.\n\n        _this13.cache_.sources = sources;\n\n        _this13.updateSourceCaches_(middlewareSource);\n\n        var err = _this13.src_(middlewareSource);\n\n        if (err) {\n          if (sources.length > 1) {\n            return _this13.src(sources.slice(1));\n          }\n\n          _this13.changingSrc_ = false; // We need to wrap this in a timeout to give folks a chance to add error event handlers\n\n          _this13.setTimeout(function () {\n            this.error({\n              code: 4,\n              message: this.localize(this.options_.notSupportedMessage)\n            });\n          }, 0); // we could not find an appropriate tech, but let's still notify the delegate that this is it\n          // this needs a better comment about why this is needed\n\n\n          _this13.triggerReady();\n\n          return;\n        }\n\n        setTech(mws, _this13.tech_);\n      });\n    }\n    /**\n     * Set the source object on the tech, returns a boolean that indicates whether\n     * there is a tech that can play the source or not\n     *\n     * @param {Tech~SourceObject} source\n     *        The source object to set on the Tech\n     *\n     * @return {boolean}\n     *         - True if there is no Tech to playback this source\n     *         - False otherwise\n     *\n     * @private\n     */\n    ;\n\n    _proto.src_ = function src_(source) {\n      var _this14 = this;\n\n      var sourceTech = this.selectSource([source]);\n\n      if (!sourceTech) {\n        return true;\n      }\n\n      if (!titleCaseEquals(sourceTech.tech, this.techName_)) {\n        this.changingSrc_ = true; // load this technology with the chosen source\n\n        this.loadTech_(sourceTech.tech, sourceTech.source);\n        this.tech_.ready(function () {\n          _this14.changingSrc_ = false;\n        });\n        return false;\n      } // wait until the tech is ready to set the source\n      // and set it synchronously if possible (#2326)\n\n\n      this.ready(function () {\n        // The setSource tech method was added with source handlers\n        // so older techs won't support it\n        // We need to check the direct prototype for the case where subclasses\n        // of the tech do not support source handlers\n        if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {\n          this.techCall_('setSource', source);\n        } else {\n          this.techCall_('src', source.src);\n        }\n\n        this.changingSrc_ = false;\n      }, true);\n      return false;\n    }\n    /**\n     * Begin loading the src data.\n     */\n    ;\n\n    _proto.load = function load() {\n      this.techCall_('load');\n    }\n    /**\n     * Reset the player. Loads the first tech in the techOrder,\n     * removes all the text tracks in the existing `tech`,\n     * and calls `reset` on the `tech`.\n     */\n    ;\n\n    _proto.reset = function reset() {\n      var _this15 = this;\n\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (this.paused() || !PromiseClass) {\n        this.doReset_();\n      } else {\n        var playPromise = this.play();\n        silencePromise(playPromise.then(function () {\n          return _this15.doReset_();\n        }));\n      }\n    };\n\n    _proto.doReset_ = function doReset_() {\n      if (this.tech_) {\n        this.tech_.clearTracks('text');\n      }\n\n      this.resetCache_();\n      this.poster('');\n      this.loadTech_(this.options_.techOrder[0], null);\n      this.techCall_('reset');\n      this.resetControlBarUI_();\n\n      if (isEvented(this)) {\n        this.trigger('playerreset');\n      }\n    }\n    /**\n     * Reset Control Bar's UI by calling sub-methods that reset\n     * all of Control Bar's components\n     */\n    ;\n\n    _proto.resetControlBarUI_ = function resetControlBarUI_() {\n      this.resetProgressBar_();\n      this.resetPlaybackRate_();\n      this.resetVolumeBar_();\n    }\n    /**\n     * Reset tech's progress so progress bar is reset in the UI\n     */\n    ;\n\n    _proto.resetProgressBar_ = function resetProgressBar_() {\n      this.currentTime(0);\n      var _this$controlBar = this.controlBar,\n          durationDisplay = _this$controlBar.durationDisplay,\n          remainingTimeDisplay = _this$controlBar.remainingTimeDisplay;\n\n      if (durationDisplay) {\n        durationDisplay.updateContent();\n      }\n\n      if (remainingTimeDisplay) {\n        remainingTimeDisplay.updateContent();\n      }\n    }\n    /**\n     * Reset Playback ratio\n     */\n    ;\n\n    _proto.resetPlaybackRate_ = function resetPlaybackRate_() {\n      this.playbackRate(this.defaultPlaybackRate());\n      this.handleTechRateChange_();\n    }\n    /**\n     * Reset Volume bar\n     */\n    ;\n\n    _proto.resetVolumeBar_ = function resetVolumeBar_() {\n      this.volume(1.0);\n      this.trigger('volumechange');\n    }\n    /**\n     * Returns all of the current source objects.\n     *\n     * @return {Tech~SourceObject[]}\n     *         The current source objects\n     */\n    ;\n\n    _proto.currentSources = function currentSources() {\n      var source = this.currentSource();\n      var sources = []; // assume `{}` or `{ src }`\n\n      if (Object.keys(source).length !== 0) {\n        sources.push(source);\n      }\n\n      return this.cache_.sources || sources;\n    }\n    /**\n     * Returns the current source object.\n     *\n     * @return {Tech~SourceObject}\n     *         The current source object\n     */\n    ;\n\n    _proto.currentSource = function currentSource() {\n      return this.cache_.source || {};\n    }\n    /**\n     * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4\n     * Can be used in conjunction with `currentType` to assist in rebuilding the current source object.\n     *\n     * @return {string}\n     *         The current source\n     */\n    ;\n\n    _proto.currentSrc = function currentSrc() {\n      return this.currentSource() && this.currentSource().src || '';\n    }\n    /**\n     * Get the current source type e.g. video/mp4\n     * This can allow you rebuild the current source object so that you could load the same\n     * source and tech later\n     *\n     * @return {string}\n     *         The source MIME type\n     */\n    ;\n\n    _proto.currentType = function currentType() {\n      return this.currentSource() && this.currentSource().type || '';\n    }\n    /**\n     * Get or set the preload attribute\n     *\n     * @param {boolean} [value]\n     *        - true means that we should preload\n     *        - false means that we should not preload\n     *\n     * @return {string}\n     *         The preload attribute value when getting\n     */\n    ;\n\n    _proto.preload = function preload(value) {\n      if (value !== undefined) {\n        this.techCall_('setPreload', value);\n        this.options_.preload = value;\n        return;\n      }\n\n      return this.techGet_('preload');\n    }\n    /**\n     * Get or set the autoplay option. When this is a boolean it will\n     * modify the attribute on the tech. When this is a string the attribute on\n     * the tech will be removed and `Player` will handle autoplay on loadstarts.\n     *\n     * @param {boolean|string} [value]\n     *        - true: autoplay using the browser behavior\n     *        - false: do not autoplay\n     *        - 'play': call play() on every loadstart\n     *        - 'muted': call muted() then play() on every loadstart\n     *        - 'any': call play() on every loadstart. if that fails call muted() then play().\n     *        - *: values other than those listed here will be set `autoplay` to true\n     *\n     * @return {boolean|string}\n     *         The current value of autoplay when getting\n     */\n    ;\n\n    _proto.autoplay = function autoplay(value) {\n      // getter usage\n      if (value === undefined) {\n        return this.options_.autoplay || false;\n      }\n\n      var techAutoplay; // if the value is a valid string set it to that\n\n      if (typeof value === 'string' && /(any|play|muted)/.test(value)) {\n        this.options_.autoplay = value;\n        this.manualAutoplay_(value);\n        techAutoplay = false; // any falsy value sets autoplay to false in the browser,\n        // lets do the same\n      } else if (!value) {\n        this.options_.autoplay = false; // any other value (ie truthy) sets autoplay to true\n      } else {\n        this.options_.autoplay = true;\n      }\n\n      techAutoplay = typeof techAutoplay === 'undefined' ? this.options_.autoplay : techAutoplay; // if we don't have a tech then we do not queue up\n      // a setAutoplay call on tech ready. We do this because the\n      // autoplay option will be passed in the constructor and we\n      // do not need to set it twice\n\n      if (this.tech_) {\n        this.techCall_('setAutoplay', techAutoplay);\n      }\n    }\n    /**\n     * Set or unset the playsinline attribute.\n     * Playsinline tells the browser that non-fullscreen playback is preferred.\n     *\n     * @param {boolean} [value]\n     *        - true means that we should try to play inline by default\n     *        - false means that we should use the browser's default playback mode,\n     *          which in most cases is inline. iOS Safari is a notable exception\n     *          and plays fullscreen by default.\n     *\n     * @return {string|Player}\n     *         - the current value of playsinline\n     *         - the player when setting\n     *\n     * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n     */\n    ;\n\n    _proto.playsinline = function playsinline(value) {\n      if (value !== undefined) {\n        this.techCall_('setPlaysinline', value);\n        this.options_.playsinline = value;\n        return this;\n      }\n\n      return this.techGet_('playsinline');\n    }\n    /**\n     * Get or set the loop attribute on the video element.\n     *\n     * @param {boolean} [value]\n     *        - true means that we should loop the video\n     *        - false means that we should not loop the video\n     *\n     * @return {boolean}\n     *         The current value of loop when getting\n     */\n    ;\n\n    _proto.loop = function loop(value) {\n      if (value !== undefined) {\n        this.techCall_('setLoop', value);\n        this.options_.loop = value;\n        return;\n      }\n\n      return this.techGet_('loop');\n    }\n    /**\n     * Get or set the poster image source url\n     *\n     * @fires Player#posterchange\n     *\n     * @param {string} [src]\n     *        Poster image source URL\n     *\n     * @return {string}\n     *         The current value of poster when getting\n     */\n    ;\n\n    _proto.poster = function poster(src) {\n      if (src === undefined) {\n        return this.poster_;\n      } // The correct way to remove a poster is to set as an empty string\n      // other falsey values will throw errors\n\n\n      if (!src) {\n        src = '';\n      }\n\n      if (src === this.poster_) {\n        return;\n      } // update the internal poster variable\n\n\n      this.poster_ = src; // update the tech's poster\n\n      this.techCall_('setPoster', src);\n      this.isPosterFromTech_ = false; // alert components that the poster has been set\n\n      /**\n       * This event fires when the poster image is changed on the player.\n       *\n       * @event Player#posterchange\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('posterchange');\n    }\n    /**\n     * Some techs (e.g. YouTube) can provide a poster source in an\n     * asynchronous way. We want the poster component to use this\n     * poster source so that it covers up the tech's controls.\n     * (YouTube's play button). However we only want to use this\n     * source if the player user hasn't set a poster through\n     * the normal APIs.\n     *\n     * @fires Player#posterchange\n     * @listens Tech#posterchange\n     * @private\n     */\n    ;\n\n    _proto.handleTechPosterChange_ = function handleTechPosterChange_() {\n      if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) {\n        var newPoster = this.tech_.poster() || '';\n\n        if (newPoster !== this.poster_) {\n          this.poster_ = newPoster;\n          this.isPosterFromTech_ = true; // Let components know the poster has changed\n\n          this.trigger('posterchange');\n        }\n      }\n    }\n    /**\n     * Get or set whether or not the controls are showing.\n     *\n     * @fires Player#controlsenabled\n     *\n     * @param {boolean} [bool]\n     *        - true to turn controls on\n     *        - false to turn controls off\n     *\n     * @return {boolean}\n     *         The current value of controls when getting\n     */\n    ;\n\n    _proto.controls = function controls(bool) {\n      if (bool === undefined) {\n        return !!this.controls_;\n      }\n\n      bool = !!bool; // Don't trigger a change event unless it actually changed\n\n      if (this.controls_ === bool) {\n        return;\n      }\n\n      this.controls_ = bool;\n\n      if (this.usingNativeControls()) {\n        this.techCall_('setControls', bool);\n      }\n\n      if (this.controls_) {\n        this.removeClass('vjs-controls-disabled');\n        this.addClass('vjs-controls-enabled');\n        /**\n         * @event Player#controlsenabled\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('controlsenabled');\n\n        if (!this.usingNativeControls()) {\n          this.addTechControlsListeners_();\n        }\n      } else {\n        this.removeClass('vjs-controls-enabled');\n        this.addClass('vjs-controls-disabled');\n        /**\n         * @event Player#controlsdisabled\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('controlsdisabled');\n\n        if (!this.usingNativeControls()) {\n          this.removeTechControlsListeners_();\n        }\n      }\n    }\n    /**\n     * Toggle native controls on/off. Native controls are the controls built into\n     * devices (e.g. default iPhone controls), Flash, or other techs\n     * (e.g. Vimeo Controls)\n     * **This should only be set by the current tech, because only the tech knows\n     * if it can support native controls**\n     *\n     * @fires Player#usingnativecontrols\n     * @fires Player#usingcustomcontrols\n     *\n     * @param {boolean} [bool]\n     *        - true to turn native controls on\n     *        - false to turn native controls off\n     *\n     * @return {boolean}\n     *         The current value of native controls when getting\n     */\n    ;\n\n    _proto.usingNativeControls = function usingNativeControls(bool) {\n      if (bool === undefined) {\n        return !!this.usingNativeControls_;\n      }\n\n      bool = !!bool; // Don't trigger a change event unless it actually changed\n\n      if (this.usingNativeControls_ === bool) {\n        return;\n      }\n\n      this.usingNativeControls_ = bool;\n\n      if (this.usingNativeControls_) {\n        this.addClass('vjs-using-native-controls');\n        /**\n         * player is using the native device controls\n         *\n         * @event Player#usingnativecontrols\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('usingnativecontrols');\n      } else {\n        this.removeClass('vjs-using-native-controls');\n        /**\n         * player is using the custom HTML controls\n         *\n         * @event Player#usingcustomcontrols\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('usingcustomcontrols');\n      }\n    }\n    /**\n     * Set or get the current MediaError\n     *\n     * @fires Player#error\n     *\n     * @param  {MediaError|string|number} [err]\n     *         A MediaError or a string/number to be turned\n     *         into a MediaError\n     *\n     * @return {MediaError|null}\n     *         The current MediaError when getting (or null)\n     */\n    ;\n\n    _proto.error = function error(err) {\n      if (err === undefined) {\n        return this.error_ || null;\n      } // Suppress the first error message for no compatible source until\n      // user interaction\n\n\n      if (this.options_.suppressNotSupportedError && err && err.code === 4) {\n        var triggerSuppressedError = function triggerSuppressedError() {\n          this.error(err);\n        };\n\n        this.options_.suppressNotSupportedError = false;\n        this.any(['click', 'touchstart'], triggerSuppressedError);\n        this.one('loadstart', function () {\n          this.off(['click', 'touchstart'], triggerSuppressedError);\n        });\n        return;\n      } // restoring to default\n\n\n      if (err === null) {\n        this.error_ = err;\n        this.removeClass('vjs-error');\n\n        if (this.errorDisplay) {\n          this.errorDisplay.close();\n        }\n\n        return;\n      }\n\n      this.error_ = new MediaError(err); // add the vjs-error classname to the player\n\n      this.addClass('vjs-error'); // log the name of the error type and any message\n      // IE11 logs \"[object object]\" and required you to expand message to see error object\n\n      log.error(\"(CODE:\" + this.error_.code + \" \" + MediaError.errorTypes[this.error_.code] + \")\", this.error_.message, this.error_);\n      /**\n       * @event Player#error\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('error');\n      return;\n    }\n    /**\n     * Report user activity\n     *\n     * @param {Object} event\n     *        Event object\n     */\n    ;\n\n    _proto.reportUserActivity = function reportUserActivity(event) {\n      this.userActivity_ = true;\n    }\n    /**\n     * Get/set if user is active\n     *\n     * @fires Player#useractive\n     * @fires Player#userinactive\n     *\n     * @param {boolean} [bool]\n     *        - true if the user is active\n     *        - false if the user is inactive\n     *\n     * @return {boolean}\n     *         The current value of userActive when getting\n     */\n    ;\n\n    _proto.userActive = function userActive(bool) {\n      if (bool === undefined) {\n        return this.userActive_;\n      }\n\n      bool = !!bool;\n\n      if (bool === this.userActive_) {\n        return;\n      }\n\n      this.userActive_ = bool;\n\n      if (this.userActive_) {\n        this.userActivity_ = true;\n        this.removeClass('vjs-user-inactive');\n        this.addClass('vjs-user-active');\n        /**\n         * @event Player#useractive\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('useractive');\n        return;\n      } // Chrome/Safari/IE have bugs where when you change the cursor it can\n      // trigger a mousemove event. This causes an issue when you're hiding\n      // the cursor when the user is inactive, and a mousemove signals user\n      // activity. Making it impossible to go into inactive mode. Specifically\n      // this happens in fullscreen when we really need to hide the cursor.\n      //\n      // When this gets resolved in ALL browsers it can be removed\n      // https://code.google.com/p/chromium/issues/detail?id=103041\n\n\n      if (this.tech_) {\n        this.tech_.one('mousemove', function (e) {\n          e.stopPropagation();\n          e.preventDefault();\n        });\n      }\n\n      this.userActivity_ = false;\n      this.removeClass('vjs-user-active');\n      this.addClass('vjs-user-inactive');\n      /**\n       * @event Player#userinactive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('userinactive');\n    }\n    /**\n     * Listen for user activity based on timeout value\n     *\n     * @private\n     */\n    ;\n\n    _proto.listenForUserActivity_ = function listenForUserActivity_() {\n      var mouseInProgress;\n      var lastMoveX;\n      var lastMoveY;\n      var handleActivity = bind(this, this.reportUserActivity);\n\n      var handleMouseMove = function handleMouseMove(e) {\n        // #1068 - Prevent mousemove spamming\n        // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970\n        if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {\n          lastMoveX = e.screenX;\n          lastMoveY = e.screenY;\n          handleActivity();\n        }\n      };\n\n      var handleMouseDown = function handleMouseDown() {\n        handleActivity(); // For as long as the they are touching the device or have their mouse down,\n        // we consider them active even if they're not moving their finger or mouse.\n        // So we want to continue to update that they are active\n\n        this.clearInterval(mouseInProgress); // Setting userActivity=true now and setting the interval to the same time\n        // as the activityCheck interval (250) should ensure we never miss the\n        // next activityCheck\n\n        mouseInProgress = this.setInterval(handleActivity, 250);\n      };\n\n      var handleMouseUpAndMouseLeave = function handleMouseUpAndMouseLeave(event) {\n        handleActivity(); // Stop the interval that maintains activity if the mouse/touch is down\n\n        this.clearInterval(mouseInProgress);\n      }; // Any mouse movement will be considered user activity\n\n\n      this.on('mousedown', handleMouseDown);\n      this.on('mousemove', handleMouseMove);\n      this.on('mouseup', handleMouseUpAndMouseLeave);\n      this.on('mouseleave', handleMouseUpAndMouseLeave);\n      var controlBar = this.getChild('controlBar'); // Fixes bug on Android & iOS where when tapping progressBar (when control bar is displayed)\n      // controlBar would no longer be hidden by default timeout.\n\n      if (controlBar && !IS_IOS && !IS_ANDROID) {\n        controlBar.on('mouseenter', function (event) {\n          this.player().cache_.inactivityTimeout = this.player().options_.inactivityTimeout;\n          this.player().options_.inactivityTimeout = 0;\n        });\n        controlBar.on('mouseleave', function (event) {\n          this.player().options_.inactivityTimeout = this.player().cache_.inactivityTimeout;\n        });\n      } // Listen for keyboard navigation\n      // Shouldn't need to use inProgress interval because of key repeat\n\n\n      this.on('keydown', handleActivity);\n      this.on('keyup', handleActivity); // Run an interval every 250 milliseconds instead of stuffing everything into\n      // the mousemove/touchmove function itself, to prevent performance degradation.\n      // `this.reportUserActivity` simply sets this.userActivity_ to true, which\n      // then gets picked up by this loop\n      // http://ejohn.org/blog/learning-from-twitter/\n\n      var inactivityTimeout;\n      this.setInterval(function () {\n        // Check to see if mouse/touch activity has happened\n        if (!this.userActivity_) {\n          return;\n        } // Reset the activity tracker\n\n\n        this.userActivity_ = false; // If the user state was inactive, set the state to active\n\n        this.userActive(true); // Clear any existing inactivity timeout to start the timer over\n\n        this.clearTimeout(inactivityTimeout);\n        var timeout = this.options_.inactivityTimeout;\n\n        if (timeout <= 0) {\n          return;\n        } // In <timeout> milliseconds, if no more activity has occurred the\n        // user will be considered inactive\n\n\n        inactivityTimeout = this.setTimeout(function () {\n          // Protect against the case where the inactivityTimeout can trigger just\n          // before the next user activity is picked up by the activity check loop\n          // causing a flicker\n          if (!this.userActivity_) {\n            this.userActive(false);\n          }\n        }, timeout);\n      }, 250);\n    }\n    /**\n     * Gets or sets the current playback rate. A playback rate of\n     * 1.0 represents normal speed and 0.5 would indicate half-speed\n     * playback, for instance.\n     *\n     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate\n     *\n     * @param {number} [rate]\n     *       New playback rate to set.\n     *\n     * @return {number}\n     *         The current playback rate when getting or 1.0\n     */\n    ;\n\n    _proto.playbackRate = function playbackRate(rate) {\n      if (rate !== undefined) {\n        // NOTE: this.cache_.lastPlaybackRate is set from the tech handler\n        // that is registered above\n        this.techCall_('setPlaybackRate', rate);\n        return;\n      }\n\n      if (this.tech_ && this.tech_.featuresPlaybackRate) {\n        return this.cache_.lastPlaybackRate || this.techGet_('playbackRate');\n      }\n\n      return 1.0;\n    }\n    /**\n     * Gets or sets the current default playback rate. A default playback rate of\n     * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.\n     * defaultPlaybackRate will only represent what the initial playbackRate of a video was, not\n     * not the current playbackRate.\n     *\n     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate\n     *\n     * @param {number} [rate]\n     *       New default playback rate to set.\n     *\n     * @return {number|Player}\n     *         - The default playback rate when getting or 1.0\n     *         - the player when setting\n     */\n    ;\n\n    _proto.defaultPlaybackRate = function defaultPlaybackRate(rate) {\n      if (rate !== undefined) {\n        return this.techCall_('setDefaultPlaybackRate', rate);\n      }\n\n      if (this.tech_ && this.tech_.featuresPlaybackRate) {\n        return this.techGet_('defaultPlaybackRate');\n      }\n\n      return 1.0;\n    }\n    /**\n     * Gets or sets the audio flag\n     *\n     * @param {boolean} bool\n     *        - true signals that this is an audio player\n     *        - false signals that this is not an audio player\n     *\n     * @return {boolean}\n     *         The current value of isAudio when getting\n     */\n    ;\n\n    _proto.isAudio = function isAudio(bool) {\n      if (bool !== undefined) {\n        this.isAudio_ = !!bool;\n        return;\n      }\n\n      return !!this.isAudio_;\n    }\n    /**\n     * A helper method for adding a {@link TextTrack} to our\n     * {@link TextTrackList}.\n     *\n     * In addition to the W3C settings we allow adding additional info through options.\n     *\n     * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack\n     *\n     * @param {string} [kind]\n     *        the kind of TextTrack you are adding\n     *\n     * @param {string} [label]\n     *        the label to give the TextTrack label\n     *\n     * @param {string} [language]\n     *        the language to set on the TextTrack\n     *\n     * @return {TextTrack|undefined}\n     *         the TextTrack that was added or undefined\n     *         if there is no tech\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (this.tech_) {\n        return this.tech_.addTextTrack(kind, label, language);\n      }\n    }\n    /**\n     * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}.\n     * When manualCleanup is set to false, the track will be automatically removed\n     * on source changes.\n     *\n     * @param {Object} options\n     *        Options to pass to {@link HTMLTrackElement} during creation. See\n     *        {@link HTMLTrackElement} for object properties that you should use.\n     *\n     * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be\n     *                                       removed on a source change\n     *\n     * @return {HtmlTrackElement}\n     *         the HTMLTrackElement that was created and added\n     *         to the HtmlTrackElementList and the remote\n     *         TextTrackList\n     *\n     * @deprecated The default value of the \"manualCleanup\" parameter will default\n     *             to \"false\" in upcoming versions of Video.js\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      if (this.tech_) {\n        return this.tech_.addRemoteTextTrack(options, manualCleanup);\n      }\n    }\n    /**\n     * Remove a remote {@link TextTrack} from the respective\n     * {@link TextTrackList} and {@link HtmlTrackElementList}.\n     *\n     * @param {Object} track\n     *        Remote {@link TextTrack} to remove\n     *\n     * @return {undefined}\n     *         does not return anything\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(obj) {\n      if (obj === void 0) {\n        obj = {};\n      }\n\n      var _obj = obj,\n          track = _obj.track;\n\n      if (!track) {\n        track = obj;\n      } // destructure the input into an object with a track argument, defaulting to arguments[0]\n      // default the whole argument to an empty object if nothing was passed in\n\n\n      if (this.tech_) {\n        return this.tech_.removeRemoteTextTrack(track);\n      }\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object|undefined}\n     *         An object with supported media playback quality metrics or undefined if there\n     *         is no tech or the tech does not support it.\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      return this.techGet_('getVideoPlaybackQuality');\n    }\n    /**\n     * Get video width\n     *\n     * @return {number}\n     *         current video width\n     */\n    ;\n\n    _proto.videoWidth = function videoWidth() {\n      return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;\n    }\n    /**\n     * Get video height\n     *\n     * @return {number}\n     *         current video height\n     */\n    ;\n\n    _proto.videoHeight = function videoHeight() {\n      return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;\n    }\n    /**\n     * The player's language code\n     * NOTE: The language should be set in the player options if you want the\n     * the controls to be built with a specific language. Changing the language\n     * later will not update controls text.\n     *\n     * @param {string} [code]\n     *        the language code to set the player to\n     *\n     * @return {string}\n     *         The current language code when getting\n     */\n    ;\n\n    _proto.language = function language(code) {\n      if (code === undefined) {\n        return this.language_;\n      }\n\n      this.language_ = String(code).toLowerCase();\n    }\n    /**\n     * Get the player's language dictionary\n     * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time\n     * Languages specified directly in the player options have precedence\n     *\n     * @return {Array}\n     *         An array of of supported languages\n     */\n    ;\n\n    _proto.languages = function languages() {\n      return mergeOptions(Player.prototype.options_.languages, this.languages_);\n    }\n    /**\n     * returns a JavaScript object reperesenting the current track\n     * information. **DOES not return it as JSON**\n     *\n     * @return {Object}\n     *         Object representing the current of track info\n     */\n    ;\n\n    _proto.toJSON = function toJSON() {\n      var options = mergeOptions(this.options_);\n      var tracks = options.tracks;\n      options.tracks = [];\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // deep merge tracks and null out player so no circular references\n\n        track = mergeOptions(track);\n        track.player = undefined;\n        options.tracks[i] = track;\n      }\n\n      return options;\n    }\n    /**\n     * Creates a simple modal dialog (an instance of the {@link ModalDialog}\n     * component) that immediately overlays the player with arbitrary\n     * content and removes itself when closed.\n     *\n     * @param {string|Function|Element|Array|null} content\n     *        Same as {@link ModalDialog#content}'s param of the same name.\n     *        The most straight-forward usage is to provide a string or DOM\n     *        element.\n     *\n     * @param {Object} [options]\n     *        Extra options which will be passed on to the {@link ModalDialog}.\n     *\n     * @return {ModalDialog}\n     *         the {@link ModalDialog} that was created\n     */\n    ;\n\n    _proto.createModal = function createModal(content, options) {\n      var _this16 = this;\n\n      options = options || {};\n      options.content = content || '';\n      var modal = new ModalDialog(this, options);\n      this.addChild(modal);\n      modal.on('dispose', function () {\n        _this16.removeChild(modal);\n      });\n      modal.open();\n      return modal;\n    }\n    /**\n     * Change breakpoint classes when the player resizes.\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateCurrentBreakpoint_ = function updateCurrentBreakpoint_() {\n      if (!this.responsive()) {\n        return;\n      }\n\n      var currentBreakpoint = this.currentBreakpoint();\n      var currentWidth = this.currentWidth();\n\n      for (var i = 0; i < BREAKPOINT_ORDER.length; i++) {\n        var candidateBreakpoint = BREAKPOINT_ORDER[i];\n        var maxWidth = this.breakpoints_[candidateBreakpoint];\n\n        if (currentWidth <= maxWidth) {\n          // The current breakpoint did not change, nothing to do.\n          if (currentBreakpoint === candidateBreakpoint) {\n            return;\n          } // Only remove a class if there is a current breakpoint.\n\n\n          if (currentBreakpoint) {\n            this.removeClass(BREAKPOINT_CLASSES[currentBreakpoint]);\n          }\n\n          this.addClass(BREAKPOINT_CLASSES[candidateBreakpoint]);\n          this.breakpoint_ = candidateBreakpoint;\n          break;\n        }\n      }\n    }\n    /**\n     * Removes the current breakpoint.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeCurrentBreakpoint_ = function removeCurrentBreakpoint_() {\n      var className = this.currentBreakpointClass();\n      this.breakpoint_ = '';\n\n      if (className) {\n        this.removeClass(className);\n      }\n    }\n    /**\n     * Get or set breakpoints on the player.\n     *\n     * Calling this method with an object or `true` will remove any previous\n     * custom breakpoints and start from the defaults again.\n     *\n     * @param  {Object|boolean} [breakpoints]\n     *         If an object is given, it can be used to provide custom\n     *         breakpoints. If `true` is given, will set default breakpoints.\n     *         If this argument is not given, will simply return the current\n     *         breakpoints.\n     *\n     * @param  {number} [breakpoints.tiny]\n     *         The maximum width for the \"vjs-layout-tiny\" class.\n     *\n     * @param  {number} [breakpoints.xsmall]\n     *         The maximum width for the \"vjs-layout-x-small\" class.\n     *\n     * @param  {number} [breakpoints.small]\n     *         The maximum width for the \"vjs-layout-small\" class.\n     *\n     * @param  {number} [breakpoints.medium]\n     *         The maximum width for the \"vjs-layout-medium\" class.\n     *\n     * @param  {number} [breakpoints.large]\n     *         The maximum width for the \"vjs-layout-large\" class.\n     *\n     * @param  {number} [breakpoints.xlarge]\n     *         The maximum width for the \"vjs-layout-x-large\" class.\n     *\n     * @param  {number} [breakpoints.huge]\n     *         The maximum width for the \"vjs-layout-huge\" class.\n     *\n     * @return {Object}\n     *         An object mapping breakpoint names to maximum width values.\n     */\n    ;\n\n    _proto.breakpoints = function breakpoints(_breakpoints) {\n      // Used as a getter.\n      if (_breakpoints === undefined) {\n        return assign(this.breakpoints_);\n      }\n\n      this.breakpoint_ = '';\n      this.breakpoints_ = assign({}, DEFAULT_BREAKPOINTS, _breakpoints); // When breakpoint definitions change, we need to update the currently\n      // selected breakpoint.\n\n      this.updateCurrentBreakpoint_(); // Clone the breakpoints before returning.\n\n      return assign(this.breakpoints_);\n    }\n    /**\n     * Get or set a flag indicating whether or not this player should adjust\n     * its UI based on its dimensions.\n     *\n     * @param  {boolean} value\n     *         Should be `true` if the player should adjust its UI based on its\n     *         dimensions; otherwise, should be `false`.\n     *\n     * @return {boolean}\n     *         Will be `true` if this player should adjust its UI based on its\n     *         dimensions; otherwise, will be `false`.\n     */\n    ;\n\n    _proto.responsive = function responsive(value) {\n      // Used as a getter.\n      if (value === undefined) {\n        return this.responsive_;\n      }\n\n      value = Boolean(value);\n      var current = this.responsive_; // Nothing changed.\n\n      if (value === current) {\n        return;\n      } // The value actually changed, set it.\n\n\n      this.responsive_ = value; // Start listening for breakpoints and set the initial breakpoint if the\n      // player is now responsive.\n\n      if (value) {\n        this.on('playerresize', this.updateCurrentBreakpoint_);\n        this.updateCurrentBreakpoint_(); // Stop listening for breakpoints if the player is no longer responsive.\n      } else {\n        this.off('playerresize', this.updateCurrentBreakpoint_);\n        this.removeCurrentBreakpoint_();\n      }\n\n      return value;\n    }\n    /**\n     * Get current breakpoint name, if any.\n     *\n     * @return {string}\n     *         If there is currently a breakpoint set, returns a the key from the\n     *         breakpoints object matching it. Otherwise, returns an empty string.\n     */\n    ;\n\n    _proto.currentBreakpoint = function currentBreakpoint() {\n      return this.breakpoint_;\n    }\n    /**\n     * Get the current breakpoint class name.\n     *\n     * @return {string}\n     *         The matching class name (e.g. `\"vjs-layout-tiny\"` or\n     *         `\"vjs-layout-large\"`) for the current breakpoint. Empty string if\n     *         there is no current breakpoint.\n     */\n    ;\n\n    _proto.currentBreakpointClass = function currentBreakpointClass() {\n      return BREAKPOINT_CLASSES[this.breakpoint_] || '';\n    }\n    /**\n     * An object that describes a single piece of media.\n     *\n     * Properties that are not part of this type description will be retained; so,\n     * this can be viewed as a generic metadata storage mechanism as well.\n     *\n     * @see      {@link https://wicg.github.io/mediasession/#the-mediametadata-interface}\n     * @typedef  {Object} Player~MediaObject\n     *\n     * @property {string} [album]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {string} [artist]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {Object[]} [artwork]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API. If not specified, will be populated via the `poster`, if\n     *           available.\n     *\n     * @property {string} [poster]\n     *           URL to an image that will display before playback.\n     *\n     * @property {Tech~SourceObject|Tech~SourceObject[]|string} [src]\n     *           A single source object, an array of source objects, or a string\n     *           referencing a URL to a media source. It is _highly recommended_\n     *           that an object or array of objects is used here, so that source\n     *           selection algorithms can take the `type` into account.\n     *\n     * @property {string} [title]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {Object[]} [textTracks]\n     *           An array of objects to be used to create text tracks, following\n     *           the {@link https://www.w3.org/TR/html50/embedded-content-0.html#the-track-element|native track element format}.\n     *           For ease of removal, these will be created as \"remote\" text\n     *           tracks and set to automatically clean up on source changes.\n     *\n     *           These objects may have properties like `src`, `kind`, `label`,\n     *           and `language`, see {@link Tech#createRemoteTextTrack}.\n     */\n\n    /**\n     * Populate the player using a {@link Player~MediaObject|MediaObject}.\n     *\n     * @param  {Player~MediaObject} media\n     *         A media object.\n     *\n     * @param  {Function} ready\n     *         A callback to be called when the player is ready.\n     */\n    ;\n\n    _proto.loadMedia = function loadMedia(media, ready) {\n      var _this17 = this;\n\n      if (!media || typeof media !== 'object') {\n        return;\n      }\n\n      this.reset(); // Clone the media object so it cannot be mutated from outside.\n\n      this.cache_.media = mergeOptions(media);\n      var _this$cache_$media = this.cache_.media,\n          artwork = _this$cache_$media.artwork,\n          poster = _this$cache_$media.poster,\n          src = _this$cache_$media.src,\n          textTracks = _this$cache_$media.textTracks; // If `artwork` is not given, create it using `poster`.\n\n      if (!artwork && poster) {\n        this.cache_.media.artwork = [{\n          src: poster,\n          type: getMimetype(poster)\n        }];\n      }\n\n      if (src) {\n        this.src(src);\n      }\n\n      if (poster) {\n        this.poster(poster);\n      }\n\n      if (Array.isArray(textTracks)) {\n        textTracks.forEach(function (tt) {\n          return _this17.addRemoteTextTrack(tt, false);\n        });\n      }\n\n      this.ready(ready);\n    }\n    /**\n     * Get a clone of the current {@link Player~MediaObject} for this player.\n     *\n     * If the `loadMedia` method has not been used, will attempt to return a\n     * {@link Player~MediaObject} based on the current state of the player.\n     *\n     * @return {Player~MediaObject}\n     */\n    ;\n\n    _proto.getMedia = function getMedia() {\n      if (!this.cache_.media) {\n        var poster = this.poster();\n        var src = this.currentSources();\n        var textTracks = Array.prototype.map.call(this.remoteTextTracks(), function (tt) {\n          return {\n            kind: tt.kind,\n            label: tt.label,\n            language: tt.language,\n            src: tt.src\n          };\n        });\n        var media = {\n          src: src,\n          textTracks: textTracks\n        };\n\n        if (poster) {\n          media.poster = poster;\n          media.artwork = [{\n            src: media.poster,\n            type: getMimetype(media.poster)\n          }];\n        }\n\n        return media;\n      }\n\n      return mergeOptions(this.cache_.media);\n    }\n    /**\n     * Gets tag settings\n     *\n     * @param {Element} tag\n     *        The player tag\n     *\n     * @return {Object}\n     *         An object containing all of the settings\n     *         for a player tag\n     */\n    ;\n\n    Player.getTagSettings = function getTagSettings(tag) {\n      var baseOptions = {\n        sources: [],\n        tracks: []\n      };\n      var tagOptions = getAttributes(tag);\n      var dataSetup = tagOptions['data-setup'];\n\n      if (hasClass(tag, 'vjs-fill')) {\n        tagOptions.fill = true;\n      }\n\n      if (hasClass(tag, 'vjs-fluid')) {\n        tagOptions.fluid = true;\n      } // Check if data-setup attr exists.\n\n\n      if (dataSetup !== null) {\n        // Parse options JSON\n        // If empty string, make it a parsable json object.\n        var _safeParseTuple = tuple(dataSetup || '{}'),\n            err = _safeParseTuple[0],\n            data = _safeParseTuple[1];\n\n        if (err) {\n          log.error(err);\n        }\n\n        assign(tagOptions, data);\n      }\n\n      assign(baseOptions, tagOptions); // Get tag children settings\n\n      if (tag.hasChildNodes()) {\n        var children = tag.childNodes;\n\n        for (var i = 0, j = children.length; i < j; i++) {\n          var child = children[i]; // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/\n\n          var childName = child.nodeName.toLowerCase();\n\n          if (childName === 'source') {\n            baseOptions.sources.push(getAttributes(child));\n          } else if (childName === 'track') {\n            baseOptions.tracks.push(getAttributes(child));\n          }\n        }\n      }\n\n      return baseOptions;\n    }\n    /**\n     * Determine whether or not flexbox is supported\n     *\n     * @return {boolean}\n     *         - true if flexbox is supported\n     *         - false if flexbox is not supported\n     */\n    ;\n\n    _proto.flexNotSupported_ = function flexNotSupported_() {\n      var elem = document.createElement('i'); // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more\n      // common flex features that we can rely on when checking for flex support.\n\n      return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style || // IE10-specific (2012 flex spec), available for completeness\n      'msFlexOrder' in elem.style);\n    };\n\n    return Player;\n  }(Component);\n  /**\n   * Get the {@link VideoTrackList}\n   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist\n   *\n   * @return {VideoTrackList}\n   *         the current video track list\n   *\n   * @method Player.prototype.videoTracks\n   */\n\n  /**\n   * Get the {@link AudioTrackList}\n   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist\n   *\n   * @return {AudioTrackList}\n   *         the current audio track list\n   *\n   * @method Player.prototype.audioTracks\n   */\n\n  /**\n   * Get the {@link TextTrackList}\n   *\n   * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks\n   *\n   * @return {TextTrackList}\n   *         the current text track list\n   *\n   * @method Player.prototype.textTracks\n   */\n\n  /**\n   * Get the remote {@link TextTrackList}\n   *\n   * @return {TextTrackList}\n   *         The current remote text track list\n   *\n   * @method Player.prototype.remoteTextTracks\n   */\n\n  /**\n   * Get the remote {@link HtmlTrackElementList} tracks.\n   *\n   * @return {HtmlTrackElementList}\n   *         The current remote text track element list\n   *\n   * @method Player.prototype.remoteTextTrackEls\n   */\n\n\n  ALL.names.forEach(function (name) {\n    var props = ALL[name];\n\n    Player.prototype[props.getterName] = function () {\n      if (this.tech_) {\n        return this.tech_[props.getterName]();\n      } // if we have not yet loadTech_, we create {video,audio,text}Tracks_\n      // these will be passed to the tech during loading\n\n\n      this[props.privateName] = this[props.privateName] || new props.ListClass();\n      return this[props.privateName];\n    };\n  });\n  /**\n   * Global enumeration of players.\n   *\n   * The keys are the player IDs and the values are either the {@link Player}\n   * instance or `null` for disposed players.\n   *\n   * @type {Object}\n   */\n\n  Player.players = {};\n  var navigator = window$3.navigator;\n  /*\n   * Player instance options, surfaced using options\n   * options = Player.prototype.options_\n   * Make changes in options, not here.\n   *\n   * @type {Object}\n   * @private\n   */\n\n  Player.prototype.options_ = {\n    // Default order of fallback technology\n    techOrder: Tech.defaultTechOrder_,\n    html5: {},\n    flash: {},\n    // default inactivity timeout\n    inactivityTimeout: 2000,\n    // default playback rates\n    playbackRates: [],\n    // Add playback rate selection by adding rates\n    // 'playbackRates': [0.5, 1, 1.5, 2],\n    liveui: false,\n    // Included control sets\n    children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'liveTracker', 'controlBar', 'errorDisplay', 'textTrackSettings', 'resizeManager'],\n    language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en',\n    // locales and their language translations\n    languages: {},\n    // Default message to show when a video cannot be played.\n    notSupportedMessage: 'No compatible source was found for this media.',\n    fullscreen: {\n      options: {\n        navigationUI: 'hide'\n      }\n    },\n    breakpoints: {},\n    responsive: false\n  };\n  [\n  /**\n   * Returns whether or not the player is in the \"ended\" state.\n   *\n   * @return {Boolean} True if the player is in the ended state, false if not.\n   * @method Player#ended\n   */\n  'ended',\n  /**\n   * Returns whether or not the player is in the \"seeking\" state.\n   *\n   * @return {Boolean} True if the player is in the seeking state, false if not.\n   * @method Player#seeking\n   */\n  'seeking',\n  /**\n   * Returns the TimeRanges of the media that are currently available\n   * for seeking to.\n   *\n   * @return {TimeRanges} the seekable intervals of the media timeline\n   * @method Player#seekable\n   */\n  'seekable',\n  /**\n   * Returns the current state of network activity for the element, from\n   * the codes in the list below.\n   * - NETWORK_EMPTY (numeric value 0)\n   *   The element has not yet been initialised. All attributes are in\n   *   their initial states.\n   * - NETWORK_IDLE (numeric value 1)\n   *   The element's resource selection algorithm is active and has\n   *   selected a resource, but it is not actually using the network at\n   *   this time.\n   * - NETWORK_LOADING (numeric value 2)\n   *   The user agent is actively trying to download data.\n   * - NETWORK_NO_SOURCE (numeric value 3)\n   *   The element's resource selection algorithm is active, but it has\n   *   not yet found a resource to use.\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states\n   * @return {number} the current network activity state\n   * @method Player#networkState\n   */\n  'networkState',\n  /**\n   * Returns a value that expresses the current state of the element\n   * with respect to rendering the current playback position, from the\n   * codes in the list below.\n   * - HAVE_NOTHING (numeric value 0)\n   *   No information regarding the media resource is available.\n   * - HAVE_METADATA (numeric value 1)\n   *   Enough of the resource has been obtained that the duration of the\n   *   resource is available.\n   * - HAVE_CURRENT_DATA (numeric value 2)\n   *   Data for the immediate current playback position is available.\n   * - HAVE_FUTURE_DATA (numeric value 3)\n   *   Data for the immediate current playback position is available, as\n   *   well as enough data for the user agent to advance the current\n   *   playback position in the direction of playback.\n   * - HAVE_ENOUGH_DATA (numeric value 4)\n   *   The user agent estimates that enough data is available for\n   *   playback to proceed uninterrupted.\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate\n   * @return {number} the current playback rendering state\n   * @method Player#readyState\n   */\n  'readyState'].forEach(function (fn) {\n    Player.prototype[fn] = function () {\n      return this.techGet_(fn);\n    };\n  });\n  TECH_EVENTS_RETRIGGER.forEach(function (event) {\n    Player.prototype[\"handleTech\" + toTitleCase(event) + \"_\"] = function () {\n      return this.trigger(event);\n    };\n  });\n  /**\n   * Fired when the player has initial duration and dimension information\n   *\n   * @event Player#loadedmetadata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the player has downloaded data at the current playback position\n   *\n   * @event Player#loadeddata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the current playback position has changed *\n   * During playback this is fired every 15-250 milliseconds, depending on the\n   * playback technology in use.\n   *\n   * @event Player#timeupdate\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the volume changes\n   *\n   * @event Player#volumechange\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Reports whether or not a player has a plugin available.\n   *\n   * This does not report whether or not the plugin has ever been initialized\n   * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.\n   *\n   * @method Player#hasPlugin\n   * @param  {string}  name\n   *         The name of a plugin.\n   *\n   * @return {boolean}\n   *         Whether or not this player has the requested plugin available.\n   */\n\n  /**\n   * Reports whether or not a player is using a plugin by name.\n   *\n   * For basic plugins, this only reports whether the plugin has _ever_ been\n   * initialized on this player.\n   *\n   * @method Player#usingPlugin\n   * @param  {string} name\n   *         The name of a plugin.\n   *\n   * @return {boolean}\n   *         Whether or not this player is using the requested plugin.\n   */\n\n  Component.registerComponent('Player', Player);\n\n  var setPrototypeOf = createCommonjsModule(function (module) {\n    function _setPrototypeOf(o, p) {\n      module.exports = _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {\n        o.__proto__ = p;\n        return o;\n      };\n\n      return _setPrototypeOf(o, p);\n    }\n\n    module.exports = _setPrototypeOf;\n  });\n\n  function _isNativeReflectConstruct() {\n    if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n    if (Reflect.construct.sham) return false;\n    if (typeof Proxy === \"function\") return true;\n\n    try {\n      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  var isNativeReflectConstruct = _isNativeReflectConstruct;\n\n  var construct = createCommonjsModule(function (module) {\n    function _construct(Parent, args, Class) {\n      if (isNativeReflectConstruct()) {\n        module.exports = _construct = Reflect.construct;\n      } else {\n        module.exports = _construct = function _construct(Parent, args, Class) {\n          var a = [null];\n          a.push.apply(a, args);\n          var Constructor = Function.bind.apply(Parent, a);\n          var instance = new Constructor();\n          if (Class) setPrototypeOf(instance, Class.prototype);\n          return instance;\n        };\n      }\n\n      return _construct.apply(null, arguments);\n    }\n\n    module.exports = _construct;\n  });\n\n  /**\n   * The base plugin name.\n   *\n   * @private\n   * @constant\n   * @type {string}\n   */\n\n  var BASE_PLUGIN_NAME = 'plugin';\n  /**\n   * The key on which a player's active plugins cache is stored.\n   *\n   * @private\n   * @constant\n   * @type     {string}\n   */\n\n  var PLUGIN_CACHE_KEY = 'activePlugins_';\n  /**\n   * Stores registered plugins in a private space.\n   *\n   * @private\n   * @type    {Object}\n   */\n\n  var pluginStorage = {};\n  /**\n   * Reports whether or not a plugin has been registered.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of a plugin.\n   *\n   * @return {boolean}\n   *          Whether or not the plugin has been registered.\n   */\n\n  var pluginExists = function pluginExists(name) {\n    return pluginStorage.hasOwnProperty(name);\n  };\n  /**\n   * Get a single registered plugin by name.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of a plugin.\n   *\n   * @return {Function|undefined}\n   *          The plugin (or undefined).\n   */\n\n\n  var getPlugin = function getPlugin(name) {\n    return pluginExists(name) ? pluginStorage[name] : undefined;\n  };\n  /**\n   * Marks a plugin as \"active\" on a player.\n   *\n   * Also, ensures that the player has an object for tracking active plugins.\n   *\n   * @private\n   * @param   {Player} player\n   *          A Video.js player instance.\n   *\n   * @param   {string} name\n   *          The name of a plugin.\n   */\n\n\n  var markPluginAsActive = function markPluginAsActive(player, name) {\n    player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};\n    player[PLUGIN_CACHE_KEY][name] = true;\n  };\n  /**\n   * Triggers a pair of plugin setup events.\n   *\n   * @private\n   * @param  {Player} player\n   *         A Video.js player instance.\n   *\n   * @param  {Plugin~PluginEventHash} hash\n   *         A plugin event hash.\n   *\n   * @param  {boolean} [before]\n   *         If true, prefixes the event name with \"before\". In other words,\n   *         use this to trigger \"beforepluginsetup\" instead of \"pluginsetup\".\n   */\n\n\n  var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {\n    var eventName = (before ? 'before' : '') + 'pluginsetup';\n    player.trigger(eventName, hash);\n    player.trigger(eventName + ':' + hash.name, hash);\n  };\n  /**\n   * Takes a basic plugin function and returns a wrapper function which marks\n   * on the player that the plugin has been activated.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of the plugin.\n   *\n   * @param   {Function} plugin\n   *          The basic plugin.\n   *\n   * @return {Function}\n   *          A wrapper function for the given plugin.\n   */\n\n\n  var createBasicPlugin = function createBasicPlugin(name, plugin) {\n    var basicPluginWrapper = function basicPluginWrapper() {\n      // We trigger the \"beforepluginsetup\" and \"pluginsetup\" events on the player\n      // regardless, but we want the hash to be consistent with the hash provided\n      // for advanced plugins.\n      //\n      // The only potentially counter-intuitive thing here is the `instance` in\n      // the \"pluginsetup\" event is the value returned by the `plugin` function.\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: plugin,\n        instance: null\n      }, true);\n      var instance = plugin.apply(this, arguments);\n      markPluginAsActive(this, name);\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: plugin,\n        instance: instance\n      });\n      return instance;\n    };\n\n    Object.keys(plugin).forEach(function (prop) {\n      basicPluginWrapper[prop] = plugin[prop];\n    });\n    return basicPluginWrapper;\n  };\n  /**\n   * Takes a plugin sub-class and returns a factory function for generating\n   * instances of it.\n   *\n   * This factory function will replace itself with an instance of the requested\n   * sub-class of Plugin.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of the plugin.\n   *\n   * @param   {Plugin} PluginSubClass\n   *          The advanced plugin.\n   *\n   * @return {Function}\n   */\n\n\n  var createPluginFactory = function createPluginFactory(name, PluginSubClass) {\n    // Add a `name` property to the plugin prototype so that each plugin can\n    // refer to itself by name.\n    PluginSubClass.prototype.name = name;\n    return function () {\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: PluginSubClass,\n        instance: null\n      }, true);\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var instance = construct(PluginSubClass, [this].concat(args)); // The plugin is replaced by a function that returns the current instance.\n\n\n      this[name] = function () {\n        return instance;\n      };\n\n      triggerSetupEvent(this, instance.getEventHash());\n      return instance;\n    };\n  };\n  /**\n   * Parent class for all advanced plugins.\n   *\n   * @mixes   module:evented~EventedMixin\n   * @mixes   module:stateful~StatefulMixin\n   * @fires   Player#beforepluginsetup\n   * @fires   Player#beforepluginsetup:$name\n   * @fires   Player#pluginsetup\n   * @fires   Player#pluginsetup:$name\n   * @listens Player#dispose\n   * @throws  {Error}\n   *          If attempting to instantiate the base {@link Plugin} class\n   *          directly instead of via a sub-class.\n   */\n\n\n  var Plugin = /*#__PURE__*/function () {\n    /**\n     * Creates an instance of this class.\n     *\n     * Sub-classes should call `super` to ensure plugins are properly initialized.\n     *\n     * @param {Player} player\n     *        A Video.js player instance.\n     */\n    function Plugin(player) {\n      if (this.constructor === Plugin) {\n        throw new Error('Plugin must be sub-classed; not directly instantiated.');\n      }\n\n      this.player = player; // Make this object evented, but remove the added `trigger` method so we\n      // use the prototype version instead.\n\n      evented(this);\n      delete this.trigger;\n      stateful(this, this.constructor.defaultState);\n      markPluginAsActive(player, this.name); // Auto-bind the dispose method so we can use it as a listener and unbind\n      // it later easily.\n\n      this.dispose = bind(this, this.dispose); // If the player is disposed, dispose the plugin.\n\n      player.on('dispose', this.dispose);\n    }\n    /**\n     * Get the version of the plugin that was set on <pluginName>.VERSION\n     */\n\n\n    var _proto = Plugin.prototype;\n\n    _proto.version = function version() {\n      return this.constructor.VERSION;\n    }\n    /**\n     * Each event triggered by plugins includes a hash of additional data with\n     * conventional properties.\n     *\n     * This returns that object or mutates an existing hash.\n     *\n     * @param   {Object} [hash={}]\n     *          An object to be used as event an event hash.\n     *\n     * @return {Plugin~PluginEventHash}\n     *          An event hash object with provided properties mixed-in.\n     */\n    ;\n\n    _proto.getEventHash = function getEventHash(hash) {\n      if (hash === void 0) {\n        hash = {};\n      }\n\n      hash.name = this.name;\n      hash.plugin = this.constructor;\n      hash.instance = this;\n      return hash;\n    }\n    /**\n     * Triggers an event on the plugin object and overrides\n     * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.\n     *\n     * @param   {string|Object} event\n     *          An event type or an object with a type property.\n     *\n     * @param   {Object} [hash={}]\n     *          Additional data hash to merge with a\n     *          {@link Plugin~PluginEventHash|PluginEventHash}.\n     *\n     * @return {boolean}\n     *          Whether or not default was prevented.\n     */\n    ;\n\n    _proto.trigger = function trigger$1(event, hash) {\n      if (hash === void 0) {\n        hash = {};\n      }\n\n      return trigger(this.eventBusEl_, event, this.getEventHash(hash));\n    }\n    /**\n     * Handles \"statechanged\" events on the plugin. No-op by default, override by\n     * subclassing.\n     *\n     * @abstract\n     * @param    {Event} e\n     *           An event object provided by a \"statechanged\" event.\n     *\n     * @param    {Object} e.changes\n     *           An object describing changes that occurred with the \"statechanged\"\n     *           event.\n     */\n    ;\n\n    _proto.handleStateChanged = function handleStateChanged(e) {}\n    /**\n     * Disposes a plugin.\n     *\n     * Subclasses can override this if they want, but for the sake of safety,\n     * it's probably best to subscribe the \"dispose\" event.\n     *\n     * @fires Plugin#dispose\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      var name = this.name,\n          player = this.player;\n      /**\n       * Signals that a advanced plugin is about to be disposed.\n       *\n       * @event Plugin#dispose\n       * @type  {EventTarget~Event}\n       */\n\n      this.trigger('dispose');\n      this.off();\n      player.off('dispose', this.dispose); // Eliminate any possible sources of leaking memory by clearing up\n      // references between the player and the plugin instance and nulling out\n      // the plugin's state and replacing methods with a function that throws.\n\n      player[PLUGIN_CACHE_KEY][name] = false;\n      this.player = this.state = null; // Finally, replace the plugin name on the player with a new factory\n      // function, so that the plugin is ready to be set up again.\n\n      player[name] = createPluginFactory(name, pluginStorage[name]);\n    }\n    /**\n     * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).\n     *\n     * @param   {string|Function} plugin\n     *          If a string, matches the name of a plugin. If a function, will be\n     *          tested directly.\n     *\n     * @return {boolean}\n     *          Whether or not a plugin is a basic plugin.\n     */\n    ;\n\n    Plugin.isBasic = function isBasic(plugin) {\n      var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;\n      return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);\n    }\n    /**\n     * Register a Video.js plugin.\n     *\n     * @param   {string} name\n     *          The name of the plugin to be registered. Must be a string and\n     *          must not match an existing plugin or a method on the `Player`\n     *          prototype.\n     *\n     * @param   {Function} plugin\n     *          A sub-class of `Plugin` or a function for basic plugins.\n     *\n     * @return {Function}\n     *          For advanced plugins, a factory function for that plugin. For\n     *          basic plugins, a wrapper function that initializes the plugin.\n     */\n    ;\n\n    Plugin.registerPlugin = function registerPlugin(name, plugin) {\n      if (typeof name !== 'string') {\n        throw new Error(\"Illegal plugin name, \\\"\" + name + \"\\\", must be a string, was \" + typeof name + \".\");\n      }\n\n      if (pluginExists(name)) {\n        log.warn(\"A plugin named \\\"\" + name + \"\\\" already exists. You may want to avoid re-registering plugins!\");\n      } else if (Player.prototype.hasOwnProperty(name)) {\n        throw new Error(\"Illegal plugin name, \\\"\" + name + \"\\\", cannot share a name with an existing player method!\");\n      }\n\n      if (typeof plugin !== 'function') {\n        throw new Error(\"Illegal plugin for \\\"\" + name + \"\\\", must be a function, was \" + typeof plugin + \".\");\n      }\n\n      pluginStorage[name] = plugin; // Add a player prototype method for all sub-classed plugins (but not for\n      // the base Plugin class).\n\n      if (name !== BASE_PLUGIN_NAME) {\n        if (Plugin.isBasic(plugin)) {\n          Player.prototype[name] = createBasicPlugin(name, plugin);\n        } else {\n          Player.prototype[name] = createPluginFactory(name, plugin);\n        }\n      }\n\n      return plugin;\n    }\n    /**\n     * De-register a Video.js plugin.\n     *\n     * @param  {string} name\n     *         The name of the plugin to be de-registered. Must be a string that\n     *         matches an existing plugin.\n     *\n     * @throws {Error}\n     *         If an attempt is made to de-register the base plugin.\n     */\n    ;\n\n    Plugin.deregisterPlugin = function deregisterPlugin(name) {\n      if (name === BASE_PLUGIN_NAME) {\n        throw new Error('Cannot de-register base plugin.');\n      }\n\n      if (pluginExists(name)) {\n        delete pluginStorage[name];\n        delete Player.prototype[name];\n      }\n    }\n    /**\n     * Gets an object containing multiple Video.js plugins.\n     *\n     * @param   {Array} [names]\n     *          If provided, should be an array of plugin names. Defaults to _all_\n     *          plugin names.\n     *\n     * @return {Object|undefined}\n     *          An object containing plugin(s) associated with their name(s) or\n     *          `undefined` if no matching plugins exist).\n     */\n    ;\n\n    Plugin.getPlugins = function getPlugins(names) {\n      if (names === void 0) {\n        names = Object.keys(pluginStorage);\n      }\n\n      var result;\n      names.forEach(function (name) {\n        var plugin = getPlugin(name);\n\n        if (plugin) {\n          result = result || {};\n          result[name] = plugin;\n        }\n      });\n      return result;\n    }\n    /**\n     * Gets a plugin's version, if available\n     *\n     * @param   {string} name\n     *          The name of a plugin.\n     *\n     * @return {string}\n     *          The plugin's version or an empty string.\n     */\n    ;\n\n    Plugin.getPluginVersion = function getPluginVersion(name) {\n      var plugin = getPlugin(name);\n      return plugin && plugin.VERSION || '';\n    };\n\n    return Plugin;\n  }();\n  /**\n   * Gets a plugin by name if it exists.\n   *\n   * @static\n   * @method   getPlugin\n   * @memberOf Plugin\n   * @param    {string} name\n   *           The name of a plugin.\n   *\n   * @returns  {Function|undefined}\n   *           The plugin (or `undefined`).\n   */\n\n\n  Plugin.getPlugin = getPlugin;\n  /**\n   * The name of the base plugin class as it is registered.\n   *\n   * @type {string}\n   */\n\n  Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;\n  Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);\n  /**\n   * Documented in player.js\n   *\n   * @ignore\n   */\n\n  Player.prototype.usingPlugin = function (name) {\n    return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;\n  };\n  /**\n   * Documented in player.js\n   *\n   * @ignore\n   */\n\n\n  Player.prototype.hasPlugin = function (name) {\n    return !!pluginExists(name);\n  };\n  /**\n   * Signals that a plugin is about to be set up on a player.\n   *\n   * @event    Player#beforepluginsetup\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin is about to be set up on a player - by name. The name\n   * is the name of the plugin.\n   *\n   * @event    Player#beforepluginsetup:$name\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin has just been set up on a player.\n   *\n   * @event    Player#pluginsetup\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin has just been set up on a player - by name. The name\n   * is the name of the plugin.\n   *\n   * @event    Player#pluginsetup:$name\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * @typedef  {Object} Plugin~PluginEventHash\n   *\n   * @property {string} instance\n   *           For basic plugins, the return value of the plugin function. For\n   *           advanced plugins, the plugin instance on which the event is fired.\n   *\n   * @property {string} name\n   *           The name of the plugin.\n   *\n   * @property {string} plugin\n   *           For basic plugins, the plugin function. For advanced plugins, the\n   *           plugin class/constructor.\n   */\n\n  function _inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function\");\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) setPrototypeOf(subClass, superClass);\n  }\n\n  var inherits = _inherits;\n\n  /**\n   * @file extend.js\n   * @module extend\n   */\n  /**\n   * Used to subclass an existing class by emulating ES subclassing using the\n   * `extends` keyword.\n   *\n   * @function\n   * @example\n   * var MyComponent = videojs.extend(videojs.getComponent('Component'), {\n   *   myCustomMethod: function() {\n   *     // Do things in my method.\n   *   }\n   * });\n   *\n   * @param    {Function} superClass\n   *           The class to inherit from\n   *\n   * @param    {Object}   [subClassMethods={}]\n   *           Methods of the new class\n   *\n   * @return   {Function}\n   *           The new class with subClassMethods that inherited superClass.\n   */\n\n  var extend = function extend(superClass, subClassMethods) {\n    if (subClassMethods === void 0) {\n      subClassMethods = {};\n    }\n\n    var subClass = function subClass() {\n      superClass.apply(this, arguments);\n    };\n\n    var methods = {};\n\n    if (typeof subClassMethods === 'object') {\n      if (subClassMethods.constructor !== Object.prototype.constructor) {\n        subClass = subClassMethods.constructor;\n      }\n\n      methods = subClassMethods;\n    } else if (typeof subClassMethods === 'function') {\n      subClass = subClassMethods;\n    }\n\n    inherits(subClass, superClass); // this is needed for backward-compatibility and node compatibility.\n\n\n    if (superClass) {\n      subClass.super_ = superClass;\n    } // Extend subObj's prototype with functions and other properties from props\n\n\n    for (var name in methods) {\n      if (methods.hasOwnProperty(name)) {\n        subClass.prototype[name] = methods[name];\n      }\n    }\n\n    return subClass;\n  };\n\n  /**\n   * @file video.js\n   * @module videojs\n   */\n  /**\n   * Normalize an `id` value by trimming off a leading `#`\n   *\n   * @private\n   * @param   {string} id\n   *          A string, maybe with a leading `#`.\n   *\n   * @return {string}\n   *          The string, without any leading `#`.\n   */\n\n  var normalizeId = function normalizeId(id) {\n    return id.indexOf('#') === 0 ? id.slice(1) : id;\n  };\n  /**\n   * The `videojs()` function doubles as the main function for users to create a\n   * {@link Player} instance as well as the main library namespace.\n   *\n   * It can also be used as a getter for a pre-existing {@link Player} instance.\n   * However, we _strongly_ recommend using `videojs.getPlayer()` for this\n   * purpose because it avoids any potential for unintended initialization.\n   *\n   * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)\n   * of our JSDoc template, we cannot properly document this as both a function\n   * and a namespace, so its function signature is documented here.\n   *\n   * #### Arguments\n   * ##### id\n   * string|Element, **required**\n   *\n   * Video element or video element ID.\n   *\n   * ##### options\n   * Object, optional\n   *\n   * Options object for providing settings.\n   * See: [Options Guide](https://docs.videojs.com/tutorial-options.html).\n   *\n   * ##### ready\n   * {@link Component~ReadyCallback}, optional\n   *\n   * A function to be called when the {@link Player} and {@link Tech} are ready.\n   *\n   * #### Return Value\n   *\n   * The `videojs()` function returns a {@link Player} instance.\n   *\n   * @namespace\n   *\n   * @borrows AudioTrack as AudioTrack\n   * @borrows Component.getComponent as getComponent\n   * @borrows module:computed-style~computedStyle as computedStyle\n   * @borrows module:events.on as on\n   * @borrows module:events.one as one\n   * @borrows module:events.off as off\n   * @borrows module:events.trigger as trigger\n   * @borrows EventTarget as EventTarget\n   * @borrows module:extend~extend as extend\n   * @borrows module:fn.bind as bind\n   * @borrows module:format-time.formatTime as formatTime\n   * @borrows module:format-time.resetFormatTime as resetFormatTime\n   * @borrows module:format-time.setFormatTime as setFormatTime\n   * @borrows module:merge-options.mergeOptions as mergeOptions\n   * @borrows module:middleware.use as use\n   * @borrows Player.players as players\n   * @borrows Plugin.registerPlugin as registerPlugin\n   * @borrows Plugin.deregisterPlugin as deregisterPlugin\n   * @borrows Plugin.getPlugins as getPlugins\n   * @borrows Plugin.getPlugin as getPlugin\n   * @borrows Plugin.getPluginVersion as getPluginVersion\n   * @borrows Tech.getTech as getTech\n   * @borrows Tech.registerTech as registerTech\n   * @borrows TextTrack as TextTrack\n   * @borrows module:time-ranges.createTimeRanges as createTimeRange\n   * @borrows module:time-ranges.createTimeRanges as createTimeRanges\n   * @borrows module:url.isCrossOrigin as isCrossOrigin\n   * @borrows module:url.parseUrl as parseUrl\n   * @borrows VideoTrack as VideoTrack\n   *\n   * @param  {string|Element} id\n   *         Video element or video element ID.\n   *\n   * @param  {Object} [options]\n   *         Options object for providing settings.\n   *         See: [Options Guide](https://docs.videojs.com/tutorial-options.html).\n   *\n   * @param  {Component~ReadyCallback} [ready]\n   *         A function to be called when the {@link Player} and {@link Tech} are\n   *         ready.\n   *\n   * @return {Player}\n   *         The `videojs()` function returns a {@link Player|Player} instance.\n   */\n\n\n  function videojs$1(id, options, ready) {\n    var player = videojs$1.getPlayer(id);\n\n    if (player) {\n      if (options) {\n        log.warn(\"Player \\\"\" + id + \"\\\" is already initialised. Options will not be applied.\");\n      }\n\n      if (ready) {\n        player.ready(ready);\n      }\n\n      return player;\n    }\n\n    var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;\n\n    if (!isEl(el)) {\n      throw new TypeError('The element or ID supplied is not valid. (videojs)');\n    } // document.body.contains(el) will only check if el is contained within that one document.\n    // This causes problems for elements in iframes.\n    // Instead, use the element's ownerDocument instead of the global document.\n    // This will make sure that the element is indeed in the dom of that document.\n    // Additionally, check that the document in question has a default view.\n    // If the document is no longer attached to the dom, the defaultView of the document will be null.\n\n\n    if (!el.ownerDocument.defaultView || !el.ownerDocument.body.contains(el)) {\n      log.warn('The element supplied is not included in the DOM');\n    }\n\n    options = options || {};\n    videojs$1.hooks('beforesetup').forEach(function (hookFunction) {\n      var opts = hookFunction(el, mergeOptions(options));\n\n      if (!isObject(opts) || Array.isArray(opts)) {\n        log.error('please return an object in beforesetup hooks');\n        return;\n      }\n\n      options = mergeOptions(options, opts);\n    }); // We get the current \"Player\" component here in case an integration has\n    // replaced it with a custom player.\n\n    var PlayerComponent = Component.getComponent('Player');\n    player = new PlayerComponent(el, options, ready);\n    videojs$1.hooks('setup').forEach(function (hookFunction) {\n      return hookFunction(player);\n    });\n    return player;\n  }\n  /**\n   * An Object that contains lifecycle hooks as keys which point to an array\n   * of functions that are run when a lifecycle is triggered\n   *\n   * @private\n   */\n\n\n  videojs$1.hooks_ = {};\n  /**\n   * Get a list of hooks for a specific lifecycle\n   *\n   * @param  {string} type\n   *         the lifecyle to get hooks from\n   *\n   * @param  {Function|Function[]} [fn]\n   *         Optionally add a hook (or hooks) to the lifecycle that your are getting.\n   *\n   * @return {Array}\n   *         an array of hooks, or an empty array if there are none.\n   */\n\n  videojs$1.hooks = function (type, fn) {\n    videojs$1.hooks_[type] = videojs$1.hooks_[type] || [];\n\n    if (fn) {\n      videojs$1.hooks_[type] = videojs$1.hooks_[type].concat(fn);\n    }\n\n    return videojs$1.hooks_[type];\n  };\n  /**\n   * Add a function hook to a specific videojs lifecycle.\n   *\n   * @param {string} type\n   *        the lifecycle to hook the function to.\n   *\n   * @param {Function|Function[]}\n   *        The function or array of functions to attach.\n   */\n\n\n  videojs$1.hook = function (type, fn) {\n    videojs$1.hooks(type, fn);\n  };\n  /**\n   * Add a function hook that will only run once to a specific videojs lifecycle.\n   *\n   * @param {string} type\n   *        the lifecycle to hook the function to.\n   *\n   * @param {Function|Function[]}\n   *        The function or array of functions to attach.\n   */\n\n\n  videojs$1.hookOnce = function (type, fn) {\n    videojs$1.hooks(type, [].concat(fn).map(function (original) {\n      var wrapper = function wrapper() {\n        videojs$1.removeHook(type, wrapper);\n        return original.apply(void 0, arguments);\n      };\n\n      return wrapper;\n    }));\n  };\n  /**\n   * Remove a hook from a specific videojs lifecycle.\n   *\n   * @param  {string} type\n   *         the lifecycle that the function hooked to\n   *\n   * @param  {Function} fn\n   *         The hooked function to remove\n   *\n   * @return {boolean}\n   *         The function that was removed or undef\n   */\n\n\n  videojs$1.removeHook = function (type, fn) {\n    var index = videojs$1.hooks(type).indexOf(fn);\n\n    if (index <= -1) {\n      return false;\n    }\n\n    videojs$1.hooks_[type] = videojs$1.hooks_[type].slice();\n    videojs$1.hooks_[type].splice(index, 1);\n    return true;\n  }; // Add default styles\n\n\n  if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {\n    var style = $('.vjs-styles-defaults');\n\n    if (!style) {\n      style = createStyleElement('vjs-styles-defaults');\n      var head = $('head');\n\n      if (head) {\n        head.insertBefore(style, head.firstChild);\n      }\n\n      setTextContent(style, \"\\n      .video-js {\\n        width: 300px;\\n        height: 150px;\\n      }\\n\\n      .vjs-fluid {\\n        padding-top: 56.25%\\n      }\\n    \");\n    }\n  } // Run Auto-load players\n  // You have to wait at least once in case this script is loaded after your\n  // video in the DOM (weird behavior only with minified version)\n\n\n  autoSetupTimeout(1, videojs$1);\n  /**\n   * Current Video.js version. Follows [semantic versioning](https://semver.org/).\n   *\n   * @type {string}\n   */\n\n  videojs$1.VERSION = version;\n  /**\n   * The global options object. These are the settings that take effect\n   * if no overrides are specified when the player is created.\n   *\n   * @type {Object}\n   */\n\n  videojs$1.options = Player.prototype.options_;\n  /**\n   * Get an object with the currently created players, keyed by player ID\n   *\n   * @return {Object}\n   *         The created players\n   */\n\n  videojs$1.getPlayers = function () {\n    return Player.players;\n  };\n  /**\n   * Get a single player based on an ID or DOM element.\n   *\n   * This is useful if you want to check if an element or ID has an associated\n   * Video.js player, but not create one if it doesn't.\n   *\n   * @param   {string|Element} id\n   *          An HTML element - `<video>`, `<audio>`, or `<video-js>` -\n   *          or a string matching the `id` of such an element.\n   *\n   * @return {Player|undefined}\n   *          A player instance or `undefined` if there is no player instance\n   *          matching the argument.\n   */\n\n\n  videojs$1.getPlayer = function (id) {\n    var players = Player.players;\n    var tag;\n\n    if (typeof id === 'string') {\n      var nId = normalizeId(id);\n      var player = players[nId];\n\n      if (player) {\n        return player;\n      }\n\n      tag = $('#' + nId);\n    } else {\n      tag = id;\n    }\n\n    if (isEl(tag)) {\n      var _tag = tag,\n          _player = _tag.player,\n          playerId = _tag.playerId; // Element may have a `player` property referring to an already created\n      // player instance. If so, return that.\n\n      if (_player || players[playerId]) {\n        return _player || players[playerId];\n      }\n    }\n  };\n  /**\n   * Returns an array of all current players.\n   *\n   * @return {Array}\n   *         An array of all players. The array will be in the order that\n   *         `Object.keys` provides, which could potentially vary between\n   *         JavaScript engines.\n   *\n   */\n\n\n  videojs$1.getAllPlayers = function () {\n    return (// Disposed players leave a key with a `null` value, so we need to make sure\n      // we filter those out.\n      Object.keys(Player.players).map(function (k) {\n        return Player.players[k];\n      }).filter(Boolean)\n    );\n  };\n\n  videojs$1.players = Player.players;\n  videojs$1.getComponent = Component.getComponent;\n  /**\n   * Register a component so it can referred to by name. Used when adding to other\n   * components, either through addChild `component.addChild('myComponent')` or through\n   * default children options  `{ children: ['myComponent'] }`.\n   *\n   * > NOTE: You could also just initialize the component before adding.\n   * `component.addChild(new MyComponent());`\n   *\n   * @param {string} name\n   *        The class name of the component\n   *\n   * @param {Component} comp\n   *        The component class\n   *\n   * @return {Component}\n   *         The newly registered component\n   */\n\n  videojs$1.registerComponent = function (name, comp) {\n    if (Tech.isTech(comp)) {\n      log.warn(\"The \" + name + \" tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)\");\n    }\n\n    Component.registerComponent.call(Component, name, comp);\n  };\n\n  videojs$1.getTech = Tech.getTech;\n  videojs$1.registerTech = Tech.registerTech;\n  videojs$1.use = use;\n  /**\n   * An object that can be returned by a middleware to signify\n   * that the middleware is being terminated.\n   *\n   * @type {object}\n   * @property {object} middleware.TERMINATOR\n   */\n\n  Object.defineProperty(videojs$1, 'middleware', {\n    value: {},\n    writeable: false,\n    enumerable: true\n  });\n  Object.defineProperty(videojs$1.middleware, 'TERMINATOR', {\n    value: TERMINATOR,\n    writeable: false,\n    enumerable: true\n  });\n  /**\n   * A reference to the {@link module:browser|browser utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:browser|browser}\n   */\n\n  videojs$1.browser = browser;\n  /**\n   * Use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED} instead; only\n   * included for backward-compatibility with 4.x.\n   *\n   * @deprecated Since version 5.0, use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED instead.\n   * @type {boolean}\n   */\n\n  videojs$1.TOUCH_ENABLED = TOUCH_ENABLED;\n  videojs$1.extend = extend;\n  videojs$1.mergeOptions = mergeOptions;\n  videojs$1.bind = bind;\n  videojs$1.registerPlugin = Plugin.registerPlugin;\n  videojs$1.deregisterPlugin = Plugin.deregisterPlugin;\n  /**\n   * Deprecated method to register a plugin with Video.js\n   *\n   * @deprecated videojs.plugin() is deprecated; use videojs.registerPlugin() instead\n   *\n   * @param {string} name\n   *        The plugin name\n   *\n   * @param {Plugin|Function} plugin\n   *         The plugin sub-class or function\n   */\n\n  videojs$1.plugin = function (name, plugin) {\n    log.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');\n    return Plugin.registerPlugin(name, plugin);\n  };\n\n  videojs$1.getPlugins = Plugin.getPlugins;\n  videojs$1.getPlugin = Plugin.getPlugin;\n  videojs$1.getPluginVersion = Plugin.getPluginVersion;\n  /**\n   * Adding languages so that they're available to all players.\n   * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`\n   *\n   * @param {string} code\n   *        The language code or dictionary property\n   *\n   * @param {Object} data\n   *        The data values to be translated\n   *\n   * @return {Object}\n   *         The resulting language dictionary object\n   */\n\n  videojs$1.addLanguage = function (code, data) {\n    var _mergeOptions;\n\n    code = ('' + code).toLowerCase();\n    videojs$1.options.languages = mergeOptions(videojs$1.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));\n    return videojs$1.options.languages[code];\n  };\n  /**\n   * A reference to the {@link module:log|log utility module} as an object.\n   *\n   * @type {Function}\n   * @see  {@link module:log|log}\n   */\n\n\n  videojs$1.log = log;\n  videojs$1.createLogger = createLogger$1;\n  videojs$1.createTimeRange = videojs$1.createTimeRanges = createTimeRanges;\n  videojs$1.formatTime = formatTime;\n  videojs$1.setFormatTime = setFormatTime;\n  videojs$1.resetFormatTime = resetFormatTime;\n  videojs$1.parseUrl = parseUrl;\n  videojs$1.isCrossOrigin = isCrossOrigin;\n  videojs$1.EventTarget = EventTarget;\n  videojs$1.on = on;\n  videojs$1.one = one;\n  videojs$1.off = off;\n  videojs$1.trigger = trigger;\n  /**\n   * A cross-browser XMLHttpRequest wrapper.\n   *\n   * @function\n   * @param    {Object} options\n   *           Settings for the request.\n   *\n   * @return   {XMLHttpRequest|XDomainRequest}\n   *           The request object.\n   *\n   * @see      https://github.com/Raynos/xhr\n   */\n\n  videojs$1.xhr = xhr;\n  videojs$1.TextTrack = TextTrack;\n  videojs$1.AudioTrack = AudioTrack;\n  videojs$1.VideoTrack = VideoTrack;\n  ['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {\n    videojs$1[k] = function () {\n      log.warn(\"videojs.\" + k + \"() is deprecated; use videojs.dom.\" + k + \"() instead\");\n      return Dom[k].apply(null, arguments);\n    };\n  });\n  videojs$1.computedStyle = computedStyle;\n  /**\n   * A reference to the {@link module:dom|DOM utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:dom|dom}\n   */\n\n  videojs$1.dom = Dom;\n  /**\n   * A reference to the {@link module:url|URL utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:url|url}\n   */\n\n  videojs$1.url = Url;\n  videojs$1.defineLazyProperty = defineLazyProperty;\n\n  var urlToolkit = createCommonjsModule(function (module, exports) {\n    // see https://tools.ietf.org/html/rfc1808\n\n    /* jshint ignore:start */\n    (function (root) {\n      /* jshint ignore:end */\n      var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n      var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n      var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n      var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n      var URLToolkit = {\n        // jshint ignore:line\n        // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n        // E.g\n        // With opts.alwaysNormalize = false (default, spec compliant)\n        // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n        // With opts.alwaysNormalize = true (not spec compliant)\n        // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n        buildAbsoluteURL: function buildAbsoluteURL(baseURL, relativeURL, opts) {\n          opts = opts || {}; // remove any remaining space and CRLF\n\n          baseURL = baseURL.trim();\n          relativeURL = relativeURL.trim();\n\n          if (!relativeURL) {\n            // 2a) If the embedded URL is entirely empty, it inherits the\n            // entire base URL (i.e., is set equal to the base URL)\n            // and we are done.\n            if (!opts.alwaysNormalize) {\n              return baseURL;\n            }\n\n            var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n\n            if (!basePartsForNormalise) {\n              throw new Error('Error trying to parse base URL.');\n            }\n\n            basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n            return URLToolkit.buildURLFromParts(basePartsForNormalise);\n          }\n\n          var relativeParts = URLToolkit.parseURL(relativeURL);\n\n          if (!relativeParts) {\n            throw new Error('Error trying to parse relative URL.');\n          }\n\n          if (relativeParts.scheme) {\n            // 2b) If the embedded URL starts with a scheme name, it is\n            // interpreted as an absolute URL and we are done.\n            if (!opts.alwaysNormalize) {\n              return relativeURL;\n            }\n\n            relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n            return URLToolkit.buildURLFromParts(relativeParts);\n          }\n\n          var baseParts = URLToolkit.parseURL(baseURL);\n\n          if (!baseParts) {\n            throw new Error('Error trying to parse base URL.');\n          }\n\n          if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n            // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n            // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n            var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n            baseParts.netLoc = pathParts[1];\n            baseParts.path = pathParts[2];\n          }\n\n          if (baseParts.netLoc && !baseParts.path) {\n            baseParts.path = '/';\n          }\n\n          var builtParts = {\n            // 2c) Otherwise, the embedded URL inherits the scheme of\n            // the base URL.\n            scheme: baseParts.scheme,\n            netLoc: relativeParts.netLoc,\n            path: null,\n            params: relativeParts.params,\n            query: relativeParts.query,\n            fragment: relativeParts.fragment\n          };\n\n          if (!relativeParts.netLoc) {\n            // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n            // Step 7.  Otherwise, the embedded URL inherits the <net_loc>\n            // (if any) of the base URL.\n            builtParts.netLoc = baseParts.netLoc; // 4) If the embedded URL path is preceded by a slash \"/\", the\n            // path is not relative and we skip to Step 7.\n\n            if (relativeParts.path[0] !== '/') {\n              if (!relativeParts.path) {\n                // 5) If the embedded URL path is empty (and not preceded by a\n                // slash), then the embedded URL inherits the base URL path\n                builtParts.path = baseParts.path; // 5a) if the embedded URL's <params> is non-empty, we skip to\n                // step 7; otherwise, it inherits the <params> of the base\n                // URL (if any) and\n\n                if (!relativeParts.params) {\n                  builtParts.params = baseParts.params; // 5b) if the embedded URL's <query> is non-empty, we skip to\n                  // step 7; otherwise, it inherits the <query> of the base\n                  // URL (if any) and we skip to step 7.\n\n                  if (!relativeParts.query) {\n                    builtParts.query = baseParts.query;\n                  }\n                }\n              } else {\n                // 6) The last segment of the base URL's path (anything\n                // following the rightmost slash \"/\", or the entire path if no\n                // slash is present) is removed and the embedded URL's path is\n                // appended in its place.\n                var baseURLPath = baseParts.path;\n                var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n                builtParts.path = URLToolkit.normalizePath(newPath);\n              }\n            }\n          }\n\n          if (builtParts.path === null) {\n            builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n          }\n\n          return URLToolkit.buildURLFromParts(builtParts);\n        },\n        parseURL: function parseURL(url) {\n          var parts = URL_REGEX.exec(url);\n\n          if (!parts) {\n            return null;\n          }\n\n          return {\n            scheme: parts[1] || '',\n            netLoc: parts[2] || '',\n            path: parts[3] || '',\n            params: parts[4] || '',\n            query: parts[5] || '',\n            fragment: parts[6] || ''\n          };\n        },\n        normalizePath: function normalizePath(path) {\n          // The following operations are\n          // then applied, in order, to the new path:\n          // 6a) All occurrences of \"./\", where \".\" is a complete path\n          // segment, are removed.\n          // 6b) If the path ends with \".\" as a complete path segment,\n          // that \".\" is removed.\n          path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, ''); // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n          // complete path segment not equal to \"..\", are removed.\n          // Removal of these path segments is performed iteratively,\n          // removing the leftmost matching pattern on each iteration,\n          // until no matching pattern remains.\n          // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n          // complete path segment not equal to \"..\", that\n          // \"<segment>/..\" is removed.\n\n          while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n\n\n          return path.split('').reverse().join('');\n        },\n        buildURLFromParts: function buildURLFromParts(parts) {\n          return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n        }\n      };\n      /* jshint ignore:start */\n\n      module.exports = URLToolkit;\n    })();\n    /* jshint ignore:end */\n\n  });\n\n  /*! @name m3u8-parser @version 4.4.0 @license Apache-2.0 */\n\n  function _extends() {\n    _extends = Object.assign || function (target) {\n      for (var i = 1; i < arguments.length; i++) {\n        var source = arguments[i];\n\n        for (var key in source) {\n          if (Object.prototype.hasOwnProperty.call(source, key)) {\n            target[key] = source[key];\n          }\n        }\n      }\n\n      return target;\n    };\n\n    return _extends.apply(this, arguments);\n  }\n\n  function _inheritsLoose$1(subClass, superClass) {\n    subClass.prototype = Object.create(superClass.prototype);\n    subClass.prototype.constructor = subClass;\n    subClass.__proto__ = superClass;\n  }\n\n  function _assertThisInitialized$1(self) {\n    if (self === void 0) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return self;\n  }\n  /**\n   * @file stream.js\n   */\n\n  /**\n   * A lightweight readable stream implementation that handles event dispatching.\n   *\n   * @class Stream\n   */\n\n\n  var Stream = /*#__PURE__*/function () {\n    function Stream() {\n      this.listeners = {};\n    }\n    /**\n     * Add a listener for a specified event type.\n     *\n     * @param {string} type the event name\n     * @param {Function} listener the callback to be invoked when an event of\n     * the specified type occurs\n     */\n\n\n    var _proto = Stream.prototype;\n\n    _proto.on = function on(type, listener) {\n      if (!this.listeners[type]) {\n        this.listeners[type] = [];\n      }\n\n      this.listeners[type].push(listener);\n    }\n    /**\n     * Remove a listener for a specified event type.\n     *\n     * @param {string} type the event name\n     * @param {Function} listener  a function previously registered for this\n     * type of event through `on`\n     * @return {boolean} if we could turn it off or not\n     */\n    ;\n\n    _proto.off = function off(type, listener) {\n      if (!this.listeners[type]) {\n        return false;\n      }\n\n      var index = this.listeners[type].indexOf(listener);\n      this.listeners[type].splice(index, 1);\n      return index > -1;\n    }\n    /**\n     * Trigger an event of the specified type on this stream. Any additional\n     * arguments to this function are passed as parameters to event listeners.\n     *\n     * @param {string} type the event name\n     */\n    ;\n\n    _proto.trigger = function trigger(type) {\n      var callbacks = this.listeners[type];\n      var i;\n      var length;\n      var args;\n\n      if (!callbacks) {\n        return;\n      } // Slicing the arguments on every invocation of this method\n      // can add a significant amount of overhead. Avoid the\n      // intermediate object creation for the common case of a\n      // single callback argument\n\n\n      if (arguments.length === 2) {\n        length = callbacks.length;\n\n        for (i = 0; i < length; ++i) {\n          callbacks[i].call(this, arguments[1]);\n        }\n      } else {\n        args = Array.prototype.slice.call(arguments, 1);\n        length = callbacks.length;\n\n        for (i = 0; i < length; ++i) {\n          callbacks[i].apply(this, args);\n        }\n      }\n    }\n    /**\n     * Destroys the stream and cleans up.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.listeners = {};\n    }\n    /**\n     * Forwards all `data` events on this stream to the destination stream. The\n     * destination stream should provide a method `push` to receive the data\n     * events as they arrive.\n     *\n     * @param {Stream} destination the stream that will receive all `data` events\n     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n     */\n    ;\n\n    _proto.pipe = function pipe(destination) {\n      this.on('data', function (data) {\n        destination.push(data);\n      });\n    };\n\n    return Stream;\n  }();\n  /**\n   * A stream that buffers string input and generates a `data` event for each\n   * line.\n   *\n   * @class LineStream\n   * @extends Stream\n   */\n\n\n  var LineStream = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(LineStream, _Stream);\n\n    function LineStream() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.buffer = '';\n      return _this;\n    }\n    /**\n     * Add new data to be parsed.\n     *\n     * @param {string} data the text to process\n     */\n\n\n    var _proto = LineStream.prototype;\n\n    _proto.push = function push(data) {\n      var nextNewline;\n      this.buffer += data;\n      nextNewline = this.buffer.indexOf('\\n');\n\n      for (; nextNewline > -1; nextNewline = this.buffer.indexOf('\\n')) {\n        this.trigger('data', this.buffer.substring(0, nextNewline));\n        this.buffer = this.buffer.substring(nextNewline + 1);\n      }\n    };\n\n    return LineStream;\n  }(Stream);\n  /**\n   * \"forgiving\" attribute list psuedo-grammar:\n   * attributes -> keyvalue (',' keyvalue)*\n   * keyvalue   -> key '=' value\n   * key        -> [^=]*\n   * value      -> '\"' [^\"]* '\"' | [^,]*\n   */\n\n\n  var attributeSeparator = function attributeSeparator() {\n    var key = '[^=]*';\n    var value = '\"[^\"]*\"|[^,]*';\n    var keyvalue = '(?:' + key + ')=(?:' + value + ')';\n    return new RegExp('(?:^|,)(' + keyvalue + ')');\n  };\n  /**\n   * Parse attributes from a line given the separator\n   *\n   * @param {string} attributes the attribute line to parse\n   */\n\n\n  var parseAttributes = function parseAttributes(attributes) {\n    // split the string using attributes as the separator\n    var attrs = attributes.split(attributeSeparator());\n    var result = {};\n    var i = attrs.length;\n    var attr;\n\n    while (i--) {\n      // filter out unmatched portions of the string\n      if (attrs[i] === '') {\n        continue;\n      } // split the key and value\n\n\n      attr = /([^=]*)=(.*)/.exec(attrs[i]).slice(1); // trim whitespace and remove optional quotes around the value\n\n      attr[0] = attr[0].replace(/^\\s+|\\s+$/g, '');\n      attr[1] = attr[1].replace(/^\\s+|\\s+$/g, '');\n      attr[1] = attr[1].replace(/^['\"](.*)['\"]$/g, '$1');\n      result[attr[0]] = attr[1];\n    }\n\n    return result;\n  };\n  /**\n   * A line-level M3U8 parser event stream. It expects to receive input one\n   * line at a time and performs a context-free parse of its contents. A stream\n   * interpretation of a manifest can be useful if the manifest is expected to\n   * be too large to fit comfortably into memory or the entirety of the input\n   * is not immediately available. Otherwise, it's probably much easier to work\n   * with a regular `Parser` object.\n   *\n   * Produces `data` events with an object that captures the parser's\n   * interpretation of the input. That object has a property `tag` that is one\n   * of `uri`, `comment`, or `tag`. URIs only have a single additional\n   * property, `line`, which captures the entirety of the input without\n   * interpretation. Comments similarly have a single additional property\n   * `text` which is the input without the leading `#`.\n   *\n   * Tags always have a property `tagType` which is the lower-cased version of\n   * the M3U8 directive without the `#EXT` or `#EXT-X-` prefix. For instance,\n   * `#EXT-X-MEDIA-SEQUENCE` becomes `media-sequence` when parsed. Unrecognized\n   * tags are given the tag type `unknown` and a single additional property\n   * `data` with the remainder of the input.\n   *\n   * @class ParseStream\n   * @extends Stream\n   */\n\n\n  var ParseStream = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(ParseStream, _Stream);\n\n    function ParseStream() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.customParsers = [];\n      _this.tagMappers = [];\n      return _this;\n    }\n    /**\n     * Parses an additional line of input.\n     *\n     * @param {string} line a single line of an M3U8 file to parse\n     */\n\n\n    var _proto = ParseStream.prototype;\n\n    _proto.push = function push(line) {\n      var _this2 = this;\n\n      var match;\n      var event; // strip whitespace\n\n      line = line.trim();\n\n      if (line.length === 0) {\n        // ignore empty lines\n        return;\n      } // URIs\n\n\n      if (line[0] !== '#') {\n        this.trigger('data', {\n          type: 'uri',\n          uri: line\n        });\n        return;\n      } // map tags\n\n\n      var newLines = this.tagMappers.reduce(function (acc, mapper) {\n        var mappedLine = mapper(line); // skip if unchanged\n\n        if (mappedLine === line) {\n          return acc;\n        }\n\n        return acc.concat([mappedLine]);\n      }, [line]);\n      newLines.forEach(function (newLine) {\n        for (var i = 0; i < _this2.customParsers.length; i++) {\n          if (_this2.customParsers[i].call(_this2, newLine)) {\n            return;\n          }\n        } // Comments\n\n\n        if (newLine.indexOf('#EXT') !== 0) {\n          _this2.trigger('data', {\n            type: 'comment',\n            text: newLine.slice(1)\n          });\n\n          return;\n        } // strip off any carriage returns here so the regex matching\n        // doesn't have to account for them.\n\n\n        newLine = newLine.replace('\\r', ''); // Tags\n\n        match = /^#EXTM3U/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'm3u'\n          });\n\n          return;\n        }\n\n        match = /^#EXTINF:?([0-9\\.]*)?,?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'inf'\n          };\n\n          if (match[1]) {\n            event.duration = parseFloat(match[1]);\n          }\n\n          if (match[2]) {\n            event.title = match[2];\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'targetduration'\n          };\n\n          if (match[1]) {\n            event.duration = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#ZEN-TOTAL-DURATION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'totalduration'\n          };\n\n          if (match[1]) {\n            event.duration = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-VERSION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'version'\n          };\n\n          if (match[1]) {\n            event.version = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MEDIA-SEQUENCE:?(\\-?[0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'media-sequence'\n          };\n\n          if (match[1]) {\n            event.number = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-DISCONTINUITY-SEQUENCE:?(\\-?[0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'discontinuity-sequence'\n          };\n\n          if (match[1]) {\n            event.number = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-PLAYLIST-TYPE:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'playlist-type'\n          };\n\n          if (match[1]) {\n            event.playlistType = match[1];\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-BYTERANGE:?([0-9.]*)?@?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'byterange'\n          };\n\n          if (match[1]) {\n            event.length = parseInt(match[1], 10);\n          }\n\n          if (match[2]) {\n            event.offset = parseInt(match[2], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-ALLOW-CACHE:?(YES|NO)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'allow-cache'\n          };\n\n          if (match[1]) {\n            event.allowed = !/NO/.test(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MAP:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'map'\n          };\n\n          if (match[1]) {\n            var attributes = parseAttributes(match[1]);\n\n            if (attributes.URI) {\n              event.uri = attributes.URI;\n            }\n\n            if (attributes.BYTERANGE) {\n              var _attributes$BYTERANGE = attributes.BYTERANGE.split('@'),\n                  length = _attributes$BYTERANGE[0],\n                  offset = _attributes$BYTERANGE[1];\n\n              event.byterange = {};\n\n              if (length) {\n                event.byterange.length = parseInt(length, 10);\n              }\n\n              if (offset) {\n                event.byterange.offset = parseInt(offset, 10);\n              }\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-STREAM-INF:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'stream-inf'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n\n            if (event.attributes.RESOLUTION) {\n              var split = event.attributes.RESOLUTION.split('x');\n              var resolution = {};\n\n              if (split[0]) {\n                resolution.width = parseInt(split[0], 10);\n              }\n\n              if (split[1]) {\n                resolution.height = parseInt(split[1], 10);\n              }\n\n              event.attributes.RESOLUTION = resolution;\n            }\n\n            if (event.attributes.BANDWIDTH) {\n              event.attributes.BANDWIDTH = parseInt(event.attributes.BANDWIDTH, 10);\n            }\n\n            if (event.attributes['PROGRAM-ID']) {\n              event.attributes['PROGRAM-ID'] = parseInt(event.attributes['PROGRAM-ID'], 10);\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MEDIA:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'media'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-ENDLIST/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'endlist'\n          });\n\n          return;\n        }\n\n        match = /^#EXT-X-DISCONTINUITY/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'discontinuity'\n          });\n\n          return;\n        }\n\n        match = /^#EXT-X-PROGRAM-DATE-TIME:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'program-date-time'\n          };\n\n          if (match[1]) {\n            event.dateTimeString = match[1];\n            event.dateTimeObject = new Date(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-KEY:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'key'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]); // parse the IV string into a Uint32Array\n\n            if (event.attributes.IV) {\n              if (event.attributes.IV.substring(0, 2).toLowerCase() === '0x') {\n                event.attributes.IV = event.attributes.IV.substring(2);\n              }\n\n              event.attributes.IV = event.attributes.IV.match(/.{8}/g);\n              event.attributes.IV[0] = parseInt(event.attributes.IV[0], 16);\n              event.attributes.IV[1] = parseInt(event.attributes.IV[1], 16);\n              event.attributes.IV[2] = parseInt(event.attributes.IV[2], 16);\n              event.attributes.IV[3] = parseInt(event.attributes.IV[3], 16);\n              event.attributes.IV = new Uint32Array(event.attributes.IV);\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-START:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'start'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n            event.attributes['TIME-OFFSET'] = parseFloat(event.attributes['TIME-OFFSET']);\n            event.attributes.PRECISE = /YES/.test(event.attributes.PRECISE);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-OUT-CONT:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-out-cont'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-OUT:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-out'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-IN:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-in'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        } // unknown tag type\n\n\n        _this2.trigger('data', {\n          type: 'tag',\n          data: newLine.slice(4)\n        });\n      });\n    }\n    /**\n     * Add a parser for custom headers\n     *\n     * @param {Object}   options              a map of options for the added parser\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {string}   options.customType   the custom type to register to the output\n     * @param {Function} [options.dataParser] function to parse the line into an object\n     * @param {boolean}  [options.segment]    should tag data be attached to the segment object\n     */\n    ;\n\n    _proto.addParser = function addParser(_ref) {\n      var _this3 = this;\n\n      var expression = _ref.expression,\n          customType = _ref.customType,\n          dataParser = _ref.dataParser,\n          segment = _ref.segment;\n\n      if (typeof dataParser !== 'function') {\n        dataParser = function dataParser(line) {\n          return line;\n        };\n      }\n\n      this.customParsers.push(function (line) {\n        var match = expression.exec(line);\n\n        if (match) {\n          _this3.trigger('data', {\n            type: 'custom',\n            data: dataParser(line),\n            customType: customType,\n            segment: segment\n          });\n\n          return true;\n        }\n      });\n    }\n    /**\n     * Add a custom header mapper\n     *\n     * @param {Object}   options\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {Function} options.map          function to translate tag into a different tag\n     */\n    ;\n\n    _proto.addTagMapper = function addTagMapper(_ref2) {\n      var expression = _ref2.expression,\n          map = _ref2.map;\n\n      var mapFn = function mapFn(line) {\n        if (expression.test(line)) {\n          return map(line);\n        }\n\n        return line;\n      };\n\n      this.tagMappers.push(mapFn);\n    };\n\n    return ParseStream;\n  }(Stream);\n\n  function decodeB64ToUint8Array(b64Text) {\n    var decodedString = window$3.atob(b64Text || '');\n    var array = new Uint8Array(decodedString.length);\n\n    for (var i = 0; i < decodedString.length; i++) {\n      array[i] = decodedString.charCodeAt(i);\n    }\n\n    return array;\n  }\n  /**\n   * A parser for M3U8 files. The current interpretation of the input is\n   * exposed as a property `manifest` on parser objects. It's just two lines to\n   * create and parse a manifest once you have the contents available as a string:\n   *\n   * ```js\n   * var parser = new m3u8.Parser();\n   * parser.push(xhr.responseText);\n   * ```\n   *\n   * New input can later be applied to update the manifest object by calling\n   * `push` again.\n   *\n   * The parser attempts to create a usable manifest object even if the\n   * underlying input is somewhat nonsensical. It emits `info` and `warning`\n   * events during the parse if it encounters input that seems invalid or\n   * requires some property of the manifest object to be defaulted.\n   *\n   * @class Parser\n   * @extends Stream\n   */\n\n\n  var Parser = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(Parser, _Stream);\n\n    function Parser() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.lineStream = new LineStream();\n      _this.parseStream = new ParseStream();\n\n      _this.lineStream.pipe(_this.parseStream);\n      /* eslint-disable consistent-this */\n\n\n      var self = _assertThisInitialized$1(_this);\n      /* eslint-enable consistent-this */\n\n\n      var uris = [];\n      var currentUri = {}; // if specified, the active EXT-X-MAP definition\n\n      var currentMap; // if specified, the active decryption key\n\n      var _key;\n\n      var noop = function noop() {};\n\n      var defaultMediaGroups = {\n        'AUDIO': {},\n        'VIDEO': {},\n        'CLOSED-CAPTIONS': {},\n        'SUBTITLES': {}\n      }; // This is the Widevine UUID from DASH IF IOP. The same exact string is\n      // used in MPDs with Widevine encrypted streams.\n\n      var widevineUuid = 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed'; // group segments into numbered timelines delineated by discontinuities\n\n      var currentTimeline = 0; // the manifest is empty until the parse stream begins delivering data\n\n      _this.manifest = {\n        allowCache: true,\n        discontinuityStarts: [],\n        segments: []\n      }; // update the manifest with the m3u8 entry from the parse stream\n\n      _this.parseStream.on('data', function (entry) {\n        var mediaGroup;\n        var rendition;\n        ({\n          tag: function tag() {\n            // switch based on the tag type\n            (({\n              'allow-cache': function allowCache() {\n                this.manifest.allowCache = entry.allowed;\n\n                if (!('allowed' in entry)) {\n                  this.trigger('info', {\n                    message: 'defaulting allowCache to YES'\n                  });\n                  this.manifest.allowCache = true;\n                }\n              },\n              byterange: function byterange() {\n                var byterange = {};\n\n                if ('length' in entry) {\n                  currentUri.byterange = byterange;\n                  byterange.length = entry.length;\n\n                  if (!('offset' in entry)) {\n                    this.trigger('info', {\n                      message: 'defaulting offset to zero'\n                    });\n                    entry.offset = 0;\n                  }\n                }\n\n                if ('offset' in entry) {\n                  currentUri.byterange = byterange;\n                  byterange.offset = entry.offset;\n                }\n              },\n              endlist: function endlist() {\n                this.manifest.endList = true;\n              },\n              inf: function inf() {\n                if (!('mediaSequence' in this.manifest)) {\n                  this.manifest.mediaSequence = 0;\n                  this.trigger('info', {\n                    message: 'defaulting media sequence to zero'\n                  });\n                }\n\n                if (!('discontinuitySequence' in this.manifest)) {\n                  this.manifest.discontinuitySequence = 0;\n                  this.trigger('info', {\n                    message: 'defaulting discontinuity sequence to zero'\n                  });\n                }\n\n                if (entry.duration > 0) {\n                  currentUri.duration = entry.duration;\n                }\n\n                if (entry.duration === 0) {\n                  currentUri.duration = 0.01;\n                  this.trigger('info', {\n                    message: 'updating zero segment duration to a small value'\n                  });\n                }\n\n                this.manifest.segments = uris;\n              },\n              key: function key() {\n                if (!entry.attributes) {\n                  this.trigger('warn', {\n                    message: 'ignoring key declaration without attribute list'\n                  });\n                  return;\n                } // clear the active encryption key\n\n\n                if (entry.attributes.METHOD === 'NONE') {\n                  _key = null;\n                  return;\n                }\n\n                if (!entry.attributes.URI) {\n                  this.trigger('warn', {\n                    message: 'ignoring key declaration without URI'\n                  });\n                  return;\n                } // check if the content is encrypted for Widevine\n                // Widevine/HLS spec: https://storage.googleapis.com/wvdocs/Widevine_DRM_HLS.pdf\n\n\n                if (entry.attributes.KEYFORMAT === widevineUuid) {\n                  var VALID_METHODS = ['SAMPLE-AES', 'SAMPLE-AES-CTR', 'SAMPLE-AES-CENC'];\n\n                  if (VALID_METHODS.indexOf(entry.attributes.METHOD) === -1) {\n                    this.trigger('warn', {\n                      message: 'invalid key method provided for Widevine'\n                    });\n                    return;\n                  }\n\n                  if (entry.attributes.METHOD === 'SAMPLE-AES-CENC') {\n                    this.trigger('warn', {\n                      message: 'SAMPLE-AES-CENC is deprecated, please use SAMPLE-AES-CTR instead'\n                    });\n                  }\n\n                  if (entry.attributes.URI.substring(0, 23) !== 'data:text/plain;base64,') {\n                    this.trigger('warn', {\n                      message: 'invalid key URI provided for Widevine'\n                    });\n                    return;\n                  }\n\n                  if (!(entry.attributes.KEYID && entry.attributes.KEYID.substring(0, 2) === '0x')) {\n                    this.trigger('warn', {\n                      message: 'invalid key ID provided for Widevine'\n                    });\n                    return;\n                  } // if Widevine key attributes are valid, store them as `contentProtection`\n                  // on the manifest to emulate Widevine tag structure in a DASH mpd\n\n\n                  this.manifest.contentProtection = {\n                    'com.widevine.alpha': {\n                      attributes: {\n                        schemeIdUri: entry.attributes.KEYFORMAT,\n                        // remove '0x' from the key id string\n                        keyId: entry.attributes.KEYID.substring(2)\n                      },\n                      // decode the base64-encoded PSSH box\n                      pssh: decodeB64ToUint8Array(entry.attributes.URI.split(',')[1])\n                    }\n                  };\n                  return;\n                }\n\n                if (!entry.attributes.METHOD) {\n                  this.trigger('warn', {\n                    message: 'defaulting key method to AES-128'\n                  });\n                } // setup an encryption key for upcoming segments\n\n\n                _key = {\n                  method: entry.attributes.METHOD || 'AES-128',\n                  uri: entry.attributes.URI\n                };\n\n                if (typeof entry.attributes.IV !== 'undefined') {\n                  _key.iv = entry.attributes.IV;\n                }\n              },\n              'media-sequence': function mediaSequence() {\n                if (!isFinite(entry.number)) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid media sequence: ' + entry.number\n                  });\n                  return;\n                }\n\n                this.manifest.mediaSequence = entry.number;\n              },\n              'discontinuity-sequence': function discontinuitySequence() {\n                if (!isFinite(entry.number)) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid discontinuity sequence: ' + entry.number\n                  });\n                  return;\n                }\n\n                this.manifest.discontinuitySequence = entry.number;\n                currentTimeline = entry.number;\n              },\n              'playlist-type': function playlistType() {\n                if (!/VOD|EVENT/.test(entry.playlistType)) {\n                  this.trigger('warn', {\n                    message: 'ignoring unknown playlist type: ' + entry.playlist\n                  });\n                  return;\n                }\n\n                this.manifest.playlistType = entry.playlistType;\n              },\n              map: function map() {\n                currentMap = {};\n\n                if (entry.uri) {\n                  currentMap.uri = entry.uri;\n                }\n\n                if (entry.byterange) {\n                  currentMap.byterange = entry.byterange;\n                }\n              },\n              'stream-inf': function streamInf() {\n                this.manifest.playlists = uris;\n                this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;\n\n                if (!entry.attributes) {\n                  this.trigger('warn', {\n                    message: 'ignoring empty stream-inf attributes'\n                  });\n                  return;\n                }\n\n                if (!currentUri.attributes) {\n                  currentUri.attributes = {};\n                }\n\n                _extends(currentUri.attributes, entry.attributes);\n              },\n              media: function media() {\n                this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;\n\n                if (!(entry.attributes && entry.attributes.TYPE && entry.attributes['GROUP-ID'] && entry.attributes.NAME)) {\n                  this.trigger('warn', {\n                    message: 'ignoring incomplete or missing media group'\n                  });\n                  return;\n                } // find the media group, creating defaults as necessary\n\n\n                var mediaGroupType = this.manifest.mediaGroups[entry.attributes.TYPE];\n                mediaGroupType[entry.attributes['GROUP-ID']] = mediaGroupType[entry.attributes['GROUP-ID']] || {};\n                mediaGroup = mediaGroupType[entry.attributes['GROUP-ID']]; // collect the rendition metadata\n\n                rendition = {\n                  \"default\": /yes/i.test(entry.attributes.DEFAULT)\n                };\n\n                if (rendition[\"default\"]) {\n                  rendition.autoselect = true;\n                } else {\n                  rendition.autoselect = /yes/i.test(entry.attributes.AUTOSELECT);\n                }\n\n                if (entry.attributes.LANGUAGE) {\n                  rendition.language = entry.attributes.LANGUAGE;\n                }\n\n                if (entry.attributes.URI) {\n                  rendition.uri = entry.attributes.URI;\n                }\n\n                if (entry.attributes['INSTREAM-ID']) {\n                  rendition.instreamId = entry.attributes['INSTREAM-ID'];\n                }\n\n                if (entry.attributes.CHARACTERISTICS) {\n                  rendition.characteristics = entry.attributes.CHARACTERISTICS;\n                }\n\n                if (entry.attributes.FORCED) {\n                  rendition.forced = /yes/i.test(entry.attributes.FORCED);\n                } // insert the new rendition\n\n\n                mediaGroup[entry.attributes.NAME] = rendition;\n              },\n              discontinuity: function discontinuity() {\n                currentTimeline += 1;\n                currentUri.discontinuity = true;\n                this.manifest.discontinuityStarts.push(uris.length);\n              },\n              'program-date-time': function programDateTime() {\n                if (typeof this.manifest.dateTimeString === 'undefined') {\n                  // PROGRAM-DATE-TIME is a media-segment tag, but for backwards\n                  // compatibility, we add the first occurence of the PROGRAM-DATE-TIME tag\n                  // to the manifest object\n                  // TODO: Consider removing this in future major version\n                  this.manifest.dateTimeString = entry.dateTimeString;\n                  this.manifest.dateTimeObject = entry.dateTimeObject;\n                }\n\n                currentUri.dateTimeString = entry.dateTimeString;\n                currentUri.dateTimeObject = entry.dateTimeObject;\n              },\n              targetduration: function targetduration() {\n                if (!isFinite(entry.duration) || entry.duration < 0) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid target duration: ' + entry.duration\n                  });\n                  return;\n                }\n\n                this.manifest.targetDuration = entry.duration;\n              },\n              totalduration: function totalduration() {\n                if (!isFinite(entry.duration) || entry.duration < 0) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid total duration: ' + entry.duration\n                  });\n                  return;\n                }\n\n                this.manifest.totalDuration = entry.duration;\n              },\n              start: function start() {\n                if (!entry.attributes || isNaN(entry.attributes['TIME-OFFSET'])) {\n                  this.trigger('warn', {\n                    message: 'ignoring start declaration without appropriate attribute list'\n                  });\n                  return;\n                }\n\n                this.manifest.start = {\n                  timeOffset: entry.attributes['TIME-OFFSET'],\n                  precise: entry.attributes.PRECISE\n                };\n              },\n              'cue-out': function cueOut() {\n                currentUri.cueOut = entry.data;\n              },\n              'cue-out-cont': function cueOutCont() {\n                currentUri.cueOutCont = entry.data;\n              },\n              'cue-in': function cueIn() {\n                currentUri.cueIn = entry.data;\n              }\n            })[entry.tagType] || noop).call(self);\n          },\n          uri: function uri() {\n            currentUri.uri = entry.uri;\n            uris.push(currentUri); // if no explicit duration was declared, use the target duration\n\n            if (this.manifest.targetDuration && !('duration' in currentUri)) {\n              this.trigger('warn', {\n                message: 'defaulting segment duration to the target duration'\n              });\n              currentUri.duration = this.manifest.targetDuration;\n            } // annotate with encryption information, if necessary\n\n\n            if (_key) {\n              currentUri.key = _key;\n            }\n\n            currentUri.timeline = currentTimeline; // annotate with initialization segment information, if necessary\n\n            if (currentMap) {\n              currentUri.map = currentMap;\n            } // prepare for the next URI\n\n\n            currentUri = {};\n          },\n          comment: function comment() {// comments are not important for playback\n          },\n          custom: function custom() {\n            // if this is segment-level data attach the output to the segment\n            if (entry.segment) {\n              currentUri.custom = currentUri.custom || {};\n              currentUri.custom[entry.customType] = entry.data; // if this is manifest-level data attach to the top level manifest object\n            } else {\n              this.manifest.custom = this.manifest.custom || {};\n              this.manifest.custom[entry.customType] = entry.data;\n            }\n          }\n        })[entry.type].call(self);\n      });\n\n      return _this;\n    }\n    /**\n     * Parse the input string and update the manifest object.\n     *\n     * @param {string} chunk a potentially incomplete portion of the manifest\n     */\n\n\n    var _proto = Parser.prototype;\n\n    _proto.push = function push(chunk) {\n      this.lineStream.push(chunk);\n    }\n    /**\n     * Flush any remaining input. This can be handy if the last line of an M3U8\n     * manifest did not contain a trailing newline but the file has been\n     * completely received.\n     */\n    ;\n\n    _proto.end = function end() {\n      // flush any buffered input\n      this.lineStream.push('\\n');\n    }\n    /**\n     * Add an additional parser for non-standard tags\n     *\n     * @param {Object}   options              a map of options for the added parser\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {string}   options.type         the type to register to the output\n     * @param {Function} [options.dataParser] function to parse the line into an object\n     * @param {boolean}  [options.segment]    should tag data be attached to the segment object\n     */\n    ;\n\n    _proto.addParser = function addParser(options) {\n      this.parseStream.addParser(options);\n    }\n    /**\n     * Add a custom header mapper\n     *\n     * @param {Object}   options\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {Function} options.map          function to translate tag into a different tag\n     */\n    ;\n\n    _proto.addTagMapper = function addTagMapper(options) {\n      this.parseStream.addTagMapper(options);\n    };\n\n    return Parser;\n  }(Stream);\n\n  function _interopDefault(ex) {\n    return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n  }\n\n  var URLToolkit = _interopDefault(urlToolkit);\n\n  var window$1 = _interopDefault(window$3);\n\n  var resolveUrl = function resolveUrl(baseUrl, relativeUrl) {\n    // return early if we don't need to resolve\n    if (/^[a-z]+:/i.test(relativeUrl)) {\n      return relativeUrl;\n    } // if the base URL is relative then combine with the current location\n\n\n    if (!/\\/\\//i.test(baseUrl)) {\n      baseUrl = URLToolkit.buildAbsoluteURL(window$1.location && window$1.location.href || '', baseUrl);\n    }\n\n    return URLToolkit.buildAbsoluteURL(baseUrl, relativeUrl);\n  };\n\n  var resolveUrl_1 = resolveUrl;\n\n  function _interopDefault$1(ex) {\n    return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n  }\n\n  var window$2 = _interopDefault$1(window$3);\n\n  var atob = function atob(s) {\n    return window$2.atob ? window$2.atob(s) : Buffer.from(s, 'base64').toString('binary');\n  };\n\n  function decodeB64ToUint8Array$1(b64Text) {\n    var decodedString = atob(b64Text);\n    var array = new Uint8Array(decodedString.length);\n\n    for (var i = 0; i < decodedString.length; i++) {\n      array[i] = decodedString.charCodeAt(i);\n    }\n\n    return array;\n  }\n\n  var decodeB64ToUint8Array_1 = decodeB64ToUint8Array$1;\n\n  //[4]   \tNameStartChar\t   ::=   \t\":\" | [A-Z] | \"_\" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]\n  //[4a]   \tNameChar\t   ::=   \tNameStartChar | \"-\" | \".\" | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]\n  //[5]   \tName\t   ::=   \tNameStartChar (NameChar)*\n  var nameStartChar = /[A-Z_a-z\\xC0-\\xD6\\xD8-\\xF6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD]/; //\\u10000-\\uEFFFF\n\n  var nameChar = new RegExp(\"[\\\\-\\\\.0-9\" + nameStartChar.source.slice(1, -1) + \"\\\\u00B7\\\\u0300-\\\\u036F\\\\u203F-\\\\u2040]\");\n  var tagNamePattern = new RegExp('^' + nameStartChar.source + nameChar.source + '*(?:\\:' + nameStartChar.source + nameChar.source + '*)?$'); //var tagNamePattern = /^[a-zA-Z_][\\w\\-\\.]*(?:\\:[a-zA-Z_][\\w\\-\\.]*)?$/\n  //var handlers = 'resolveEntity,getExternalSubset,characters,endDocument,endElement,endPrefixMapping,ignorableWhitespace,processingInstruction,setDocumentLocator,skippedEntity,startDocument,startElement,startPrefixMapping,notationDecl,unparsedEntityDecl,error,fatalError,warning,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,comment,endCDATA,endDTD,endEntity,startCDATA,startDTD,startEntity'.split(',')\n  //S_TAG,\tS_ATTR,\tS_EQ,\tS_ATTR_NOQUOT_VALUE\n  //S_ATTR_SPACE,\tS_ATTR_END,\tS_TAG_SPACE, S_TAG_CLOSE\n\n  var S_TAG = 0; //tag name offerring\n\n  var S_ATTR = 1; //attr name offerring\n\n  var S_ATTR_SPACE = 2; //attr name end and space offer\n\n  var S_EQ = 3; //=space?\n\n  var S_ATTR_NOQUOT_VALUE = 4; //attr value(no quot value only)\n\n  var S_ATTR_END = 5; //attr value end and no space(quot end)\n\n  var S_TAG_SPACE = 6; //(attr value end || tag end ) && (space offer)\n\n  var S_TAG_CLOSE = 7; //closed el<el />\n\n  function XMLReader() {}\n\n  XMLReader.prototype = {\n    parse: function parse(source, defaultNSMap, entityMap) {\n      var domBuilder = this.domBuilder;\n      domBuilder.startDocument();\n\n      _copy(defaultNSMap, defaultNSMap = {});\n\n      _parse(source, defaultNSMap, entityMap, domBuilder, this.errorHandler);\n\n      domBuilder.endDocument();\n    }\n  };\n\n  function _parse(source, defaultNSMapCopy, entityMap, domBuilder, errorHandler) {\n    function fixedFromCharCode(code) {\n      // String.prototype.fromCharCode does not supports\n      // > 2 bytes unicode chars directly\n      if (code > 0xffff) {\n        code -= 0x10000;\n        var surrogate1 = 0xd800 + (code >> 10),\n            surrogate2 = 0xdc00 + (code & 0x3ff);\n        return String.fromCharCode(surrogate1, surrogate2);\n      } else {\n        return String.fromCharCode(code);\n      }\n    }\n\n    function entityReplacer(a) {\n      var k = a.slice(1, -1);\n\n      if (k in entityMap) {\n        return entityMap[k];\n      } else if (k.charAt(0) === '#') {\n        return fixedFromCharCode(parseInt(k.substr(1).replace('x', '0x')));\n      } else {\n        errorHandler.error('entity not found:' + a);\n        return a;\n      }\n    }\n\n    function appendText(end) {\n      //has some bugs\n      if (end > start) {\n        var xt = source.substring(start, end).replace(/&#?\\w+;/g, entityReplacer);\n        locator && position(start);\n        domBuilder.characters(xt, 0, end - start);\n        start = end;\n      }\n    }\n\n    function position(p, m) {\n      while (p >= lineEnd && (m = linePattern.exec(source))) {\n        lineStart = m.index;\n        lineEnd = lineStart + m[0].length;\n        locator.lineNumber++; //console.log('line++:',locator,startPos,endPos)\n      }\n\n      locator.columnNumber = p - lineStart + 1;\n    }\n\n    var lineStart = 0;\n    var lineEnd = 0;\n    var linePattern = /.*(?:\\r\\n?|\\n)|.*$/g;\n    var locator = domBuilder.locator;\n    var parseStack = [{\n      currentNSMap: defaultNSMapCopy\n    }];\n    var closeMap = {};\n    var start = 0;\n\n    while (true) {\n      try {\n        var tagStart = source.indexOf('<', start);\n\n        if (tagStart < 0) {\n          if (!source.substr(start).match(/^\\s*$/)) {\n            var doc = domBuilder.doc;\n            var text = doc.createTextNode(source.substr(start));\n            doc.appendChild(text);\n            domBuilder.currentElement = text;\n          }\n\n          return;\n        }\n\n        if (tagStart > start) {\n          appendText(tagStart);\n        }\n\n        switch (source.charAt(tagStart + 1)) {\n          case '/':\n            var end = source.indexOf('>', tagStart + 3);\n            var tagName = source.substring(tagStart + 2, end);\n            var config = parseStack.pop();\n\n            if (end < 0) {\n              tagName = source.substring(tagStart + 2).replace(/[\\s<].*/, ''); //console.error('#@@@@@@'+tagName)\n\n              errorHandler.error(\"end tag name: \" + tagName + ' is not complete:' + config.tagName);\n              end = tagStart + 1 + tagName.length;\n            } else if (tagName.match(/\\s</)) {\n              tagName = tagName.replace(/[\\s<].*/, '');\n              errorHandler.error(\"end tag name: \" + tagName + ' maybe not complete');\n              end = tagStart + 1 + tagName.length;\n            } //console.error(parseStack.length,parseStack)\n            //console.error(config);\n\n\n            var localNSMap = config.localNSMap;\n            var endMatch = config.tagName == tagName;\n            var endIgnoreCaseMach = endMatch || config.tagName && config.tagName.toLowerCase() == tagName.toLowerCase();\n\n            if (endIgnoreCaseMach) {\n              domBuilder.endElement(config.uri, config.localName, tagName);\n\n              if (localNSMap) {\n                for (var prefix in localNSMap) {\n                  domBuilder.endPrefixMapping(prefix);\n                }\n              }\n\n              if (!endMatch) {\n                errorHandler.fatalError(\"end tag name: \" + tagName + ' is not match the current start tagName:' + config.tagName);\n              }\n            } else {\n              parseStack.push(config);\n            }\n\n            end++;\n            break;\n          // end elment\n\n          case '?':\n            // <?...?>\n            locator && position(tagStart);\n            end = parseInstruction(source, tagStart, domBuilder);\n            break;\n\n          case '!':\n            // <!doctype,<![CDATA,<!--\n            locator && position(tagStart);\n            end = parseDCC(source, tagStart, domBuilder, errorHandler);\n            break;\n\n          default:\n            locator && position(tagStart);\n            var el = new ElementAttributes();\n            var currentNSMap = parseStack[parseStack.length - 1].currentNSMap; //elStartEnd\n\n            var end = parseElementStartPart(source, tagStart, el, currentNSMap, entityReplacer, errorHandler);\n            var len = el.length;\n\n            if (!el.closed && fixSelfClosed(source, end, el.tagName, closeMap)) {\n              el.closed = true;\n\n              if (!entityMap.nbsp) {\n                errorHandler.warning('unclosed xml attribute');\n              }\n            }\n\n            if (locator && len) {\n              var locator2 = copyLocator(locator, {}); //try{//attribute position fixed\n\n              for (var i = 0; i < len; i++) {\n                var a = el[i];\n                position(a.offset);\n                a.locator = copyLocator(locator, {});\n              } //}catch(e){console.error('@@@@@'+e)}\n\n\n              domBuilder.locator = locator2;\n\n              if (appendElement(el, domBuilder, currentNSMap)) {\n                parseStack.push(el);\n              }\n\n              domBuilder.locator = locator;\n            } else {\n              if (appendElement(el, domBuilder, currentNSMap)) {\n                parseStack.push(el);\n              }\n            }\n\n            if (el.uri === 'http://www.w3.org/1999/xhtml' && !el.closed) {\n              end = parseHtmlSpecialContent(source, end, el.tagName, entityReplacer, domBuilder);\n            } else {\n              end++;\n            }\n\n        }\n      } catch (e) {\n        errorHandler.error('element parse error: ' + e); //errorHandler.error('element parse error: '+e);\n\n        end = -1; //throw e;\n      }\n\n      if (end > start) {\n        start = end;\n      } else {\n        //TODO: 这里有可能sax回退，有位置错误风险\n        appendText(Math.max(tagStart, start) + 1);\n      }\n    }\n  }\n\n  function copyLocator(f, t) {\n    t.lineNumber = f.lineNumber;\n    t.columnNumber = f.columnNumber;\n    return t;\n  }\n  /**\n   * @see #appendElement(source,elStartEnd,el,selfClosed,entityReplacer,domBuilder,parseStack);\n   * @return end of the elementStartPart(end of elementEndPart for selfClosed el)\n   */\n\n\n  function parseElementStartPart(source, start, el, currentNSMap, entityReplacer, errorHandler) {\n    var attrName;\n    var value;\n    var p = ++start;\n    var s = S_TAG; //status\n\n    while (true) {\n      var c = source.charAt(p);\n\n      switch (c) {\n        case '=':\n          if (s === S_ATTR) {\n            //attrName\n            attrName = source.slice(start, p);\n            s = S_EQ;\n          } else if (s === S_ATTR_SPACE) {\n            s = S_EQ;\n          } else {\n            //fatalError: equal must after attrName or space after attrName\n            throw new Error('attribute equal must after attrName');\n          }\n\n          break;\n\n        case '\\'':\n        case '\"':\n          if (s === S_EQ || s === S_ATTR //|| s == S_ATTR_SPACE\n          ) {\n              //equal\n              if (s === S_ATTR) {\n                errorHandler.warning('attribute value must after \"=\"');\n                attrName = source.slice(start, p);\n              }\n\n              start = p + 1;\n              p = source.indexOf(c, start);\n\n              if (p > 0) {\n                value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer);\n                el.add(attrName, value, start - 1);\n                s = S_ATTR_END;\n              } else {\n                //fatalError: no end quot match\n                throw new Error('attribute value no end \\'' + c + '\\' match');\n              }\n            } else if (s == S_ATTR_NOQUOT_VALUE) {\n            value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer); //console.log(attrName,value,start,p)\n\n            el.add(attrName, value, start); //console.dir(el)\n\n            errorHandler.warning('attribute \"' + attrName + '\" missed start quot(' + c + ')!!');\n            start = p + 1;\n            s = S_ATTR_END;\n          } else {\n            //fatalError: no equal before\n            throw new Error('attribute value must after \"=\"');\n          }\n\n          break;\n\n        case '/':\n          switch (s) {\n            case S_TAG:\n              el.setTagName(source.slice(start, p));\n\n            case S_ATTR_END:\n            case S_TAG_SPACE:\n            case S_TAG_CLOSE:\n              s = S_TAG_CLOSE;\n              el.closed = true;\n\n            case S_ATTR_NOQUOT_VALUE:\n            case S_ATTR:\n            case S_ATTR_SPACE:\n              break;\n            //case S_EQ:\n\n            default:\n              throw new Error(\"attribute invalid close char('/')\");\n          }\n\n          break;\n\n        case '':\n          //end document\n          //throw new Error('unexpected end of input')\n          errorHandler.error('unexpected end of input');\n\n          if (s == S_TAG) {\n            el.setTagName(source.slice(start, p));\n          }\n\n          return p;\n\n        case '>':\n          switch (s) {\n            case S_TAG:\n              el.setTagName(source.slice(start, p));\n\n            case S_ATTR_END:\n            case S_TAG_SPACE:\n            case S_TAG_CLOSE:\n              break;\n            //normal\n\n            case S_ATTR_NOQUOT_VALUE: //Compatible state\n\n            case S_ATTR:\n              value = source.slice(start, p);\n\n              if (value.slice(-1) === '/') {\n                el.closed = true;\n                value = value.slice(0, -1);\n              }\n\n            case S_ATTR_SPACE:\n              if (s === S_ATTR_SPACE) {\n                value = attrName;\n              }\n\n              if (s == S_ATTR_NOQUOT_VALUE) {\n                errorHandler.warning('attribute \"' + value + '\" missed quot(\")!!');\n                el.add(attrName, value.replace(/&#?\\w+;/g, entityReplacer), start);\n              } else {\n                if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !value.match(/^(?:disabled|checked|selected)$/i)) {\n                  errorHandler.warning('attribute \"' + value + '\" missed value!! \"' + value + '\" instead!!');\n                }\n\n                el.add(value, value, start);\n              }\n\n              break;\n\n            case S_EQ:\n              throw new Error('attribute value missed!!');\n          } //\t\t\tconsole.log(tagName,tagNamePattern,tagNamePattern.test(tagName))\n\n\n          return p;\n\n        /*xml space '\\x20' | #x9 | #xD | #xA; */\n\n        case \"\\x80\":\n          c = ' ';\n\n        default:\n          if (c <= ' ') {\n            //space\n            switch (s) {\n              case S_TAG:\n                el.setTagName(source.slice(start, p)); //tagName\n\n                s = S_TAG_SPACE;\n                break;\n\n              case S_ATTR:\n                attrName = source.slice(start, p);\n                s = S_ATTR_SPACE;\n                break;\n\n              case S_ATTR_NOQUOT_VALUE:\n                var value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer);\n                errorHandler.warning('attribute \"' + value + '\" missed quot(\")!!');\n                el.add(attrName, value, start);\n\n              case S_ATTR_END:\n                s = S_TAG_SPACE;\n                break;\n              //case S_TAG_SPACE:\n              //case S_EQ:\n              //case S_ATTR_SPACE:\n              //\tvoid();break;\n              //case S_TAG_CLOSE:\n              //ignore warning\n            }\n          } else {\n            //not space\n            //S_TAG,\tS_ATTR,\tS_EQ,\tS_ATTR_NOQUOT_VALUE\n            //S_ATTR_SPACE,\tS_ATTR_END,\tS_TAG_SPACE, S_TAG_CLOSE\n            switch (s) {\n              //case S_TAG:void();break;\n              //case S_ATTR:void();break;\n              //case S_ATTR_NOQUOT_VALUE:void();break;\n              case S_ATTR_SPACE:\n                var tagName = el.tagName;\n\n                if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !attrName.match(/^(?:disabled|checked|selected)$/i)) {\n                  errorHandler.warning('attribute \"' + attrName + '\" missed value!! \"' + attrName + '\" instead2!!');\n                }\n\n                el.add(attrName, attrName, start);\n                start = p;\n                s = S_ATTR;\n                break;\n\n              case S_ATTR_END:\n                errorHandler.warning('attribute space is required\"' + attrName + '\"!!');\n\n              case S_TAG_SPACE:\n                s = S_ATTR;\n                start = p;\n                break;\n\n              case S_EQ:\n                s = S_ATTR_NOQUOT_VALUE;\n                start = p;\n                break;\n\n              case S_TAG_CLOSE:\n                throw new Error(\"elements closed character '/' and '>' must be connected to\");\n            }\n          }\n\n      } //end outer switch\n      //console.log('p++',p)\n\n\n      p++;\n    }\n  }\n  /**\n   * @return true if has new namespace define\n   */\n\n\n  function appendElement(el, domBuilder, currentNSMap) {\n    var tagName = el.tagName;\n    var localNSMap = null; //var currentNSMap = parseStack[parseStack.length-1].currentNSMap;\n\n    var i = el.length;\n\n    while (i--) {\n      var a = el[i];\n      var qName = a.qName;\n      var value = a.value;\n      var nsp = qName.indexOf(':');\n\n      if (nsp > 0) {\n        var prefix = a.prefix = qName.slice(0, nsp);\n        var localName = qName.slice(nsp + 1);\n        var nsPrefix = prefix === 'xmlns' && localName;\n      } else {\n        localName = qName;\n        prefix = null;\n        nsPrefix = qName === 'xmlns' && '';\n      } //can not set prefix,because prefix !== ''\n\n\n      a.localName = localName; //prefix == null for no ns prefix attribute\n\n      if (nsPrefix !== false) {\n        //hack!!\n        if (localNSMap == null) {\n          localNSMap = {}; //console.log(currentNSMap,0)\n\n          _copy(currentNSMap, currentNSMap = {}); //console.log(currentNSMap,1)\n\n        }\n\n        currentNSMap[nsPrefix] = localNSMap[nsPrefix] = value;\n        a.uri = 'http://www.w3.org/2000/xmlns/';\n        domBuilder.startPrefixMapping(nsPrefix, value);\n      }\n    }\n\n    var i = el.length;\n\n    while (i--) {\n      a = el[i];\n      var prefix = a.prefix;\n\n      if (prefix) {\n        //no prefix attribute has no namespace\n        if (prefix === 'xml') {\n          a.uri = 'http://www.w3.org/XML/1998/namespace';\n        }\n\n        if (prefix !== 'xmlns') {\n          a.uri = currentNSMap[prefix || '']; //{console.log('###'+a.qName,domBuilder.locator.systemId+'',currentNSMap,a.uri)}\n        }\n      }\n    }\n\n    var nsp = tagName.indexOf(':');\n\n    if (nsp > 0) {\n      prefix = el.prefix = tagName.slice(0, nsp);\n      localName = el.localName = tagName.slice(nsp + 1);\n    } else {\n      prefix = null; //important!!\n\n      localName = el.localName = tagName;\n    } //no prefix element has default namespace\n\n\n    var ns = el.uri = currentNSMap[prefix || ''];\n    domBuilder.startElement(ns, localName, tagName, el); //endPrefixMapping and startPrefixMapping have not any help for dom builder\n    //localNSMap = null\n\n    if (el.closed) {\n      domBuilder.endElement(ns, localName, tagName);\n\n      if (localNSMap) {\n        for (prefix in localNSMap) {\n          domBuilder.endPrefixMapping(prefix);\n        }\n      }\n    } else {\n      el.currentNSMap = currentNSMap;\n      el.localNSMap = localNSMap; //parseStack.push(el);\n\n      return true;\n    }\n  }\n\n  function parseHtmlSpecialContent(source, elStartEnd, tagName, entityReplacer, domBuilder) {\n    if (/^(?:script|textarea)$/i.test(tagName)) {\n      var elEndStart = source.indexOf('</' + tagName + '>', elStartEnd);\n      var text = source.substring(elStartEnd + 1, elEndStart);\n\n      if (/[&<]/.test(text)) {\n        if (/^script$/i.test(tagName)) {\n          //if(!/\\]\\]>/.test(text)){\n          //lexHandler.startCDATA();\n          domBuilder.characters(text, 0, text.length); //lexHandler.endCDATA();\n\n          return elEndStart; //}\n        } //}else{//text area\n\n\n        text = text.replace(/&#?\\w+;/g, entityReplacer);\n        domBuilder.characters(text, 0, text.length);\n        return elEndStart; //}\n      }\n    }\n\n    return elStartEnd + 1;\n  }\n\n  function fixSelfClosed(source, elStartEnd, tagName, closeMap) {\n    //if(tagName in closeMap){\n    var pos = closeMap[tagName];\n\n    if (pos == null) {\n      //console.log(tagName)\n      pos = source.lastIndexOf('</' + tagName + '>');\n\n      if (pos < elStartEnd) {\n        //忘记闭合\n        pos = source.lastIndexOf('</' + tagName);\n      }\n\n      closeMap[tagName] = pos;\n    }\n\n    return pos < elStartEnd; //}\n  }\n\n  function _copy(source, target) {\n    for (var n in source) {\n      target[n] = source[n];\n    }\n  }\n\n  function parseDCC(source, start, domBuilder, errorHandler) {\n    //sure start with '<!'\n    var next = source.charAt(start + 2);\n\n    switch (next) {\n      case '-':\n        if (source.charAt(start + 3) === '-') {\n          var end = source.indexOf('-->', start + 4); //append comment source.substring(4,end)//<!--\n\n          if (end > start) {\n            domBuilder.comment(source, start + 4, end - start - 4);\n            return end + 3;\n          } else {\n            errorHandler.error(\"Unclosed comment\");\n            return -1;\n          }\n        } else {\n          //error\n          return -1;\n        }\n\n      default:\n        if (source.substr(start + 3, 6) == 'CDATA[') {\n          var end = source.indexOf(']]>', start + 9);\n          domBuilder.startCDATA();\n          domBuilder.characters(source, start + 9, end - start - 9);\n          domBuilder.endCDATA();\n          return end + 3;\n        } //<!DOCTYPE\n        //startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId)\n\n\n        var matchs = split(source, start);\n        var len = matchs.length;\n\n        if (len > 1 && /!doctype/i.test(matchs[0][0])) {\n          var name = matchs[1][0];\n          var pubid = len > 3 && /^public$/i.test(matchs[2][0]) && matchs[3][0];\n          var sysid = len > 4 && matchs[4][0];\n          var lastMatch = matchs[len - 1];\n          domBuilder.startDTD(name, pubid && pubid.replace(/^(['\"])(.*?)\\1$/, '$2'), sysid && sysid.replace(/^(['\"])(.*?)\\1$/, '$2'));\n          domBuilder.endDTD();\n          return lastMatch.index + lastMatch[0].length;\n        }\n\n    }\n\n    return -1;\n  }\n\n  function parseInstruction(source, start, domBuilder) {\n    var end = source.indexOf('?>', start);\n\n    if (end) {\n      var match = source.substring(start, end).match(/^<\\?(\\S*)\\s*([\\s\\S]*?)\\s*$/);\n\n      if (match) {\n        var len = match[0].length;\n        domBuilder.processingInstruction(match[1], match[2]);\n        return end + 2;\n      } else {\n        //error\n        return -1;\n      }\n    }\n\n    return -1;\n  }\n  /**\n   * @param source\n   */\n\n\n  function ElementAttributes(source) {}\n\n  ElementAttributes.prototype = {\n    setTagName: function setTagName(tagName) {\n      if (!tagNamePattern.test(tagName)) {\n        throw new Error('invalid tagName:' + tagName);\n      }\n\n      this.tagName = tagName;\n    },\n    add: function add(qName, value, offset) {\n      if (!tagNamePattern.test(qName)) {\n        throw new Error('invalid attribute:' + qName);\n      }\n\n      this[this.length++] = {\n        qName: qName,\n        value: value,\n        offset: offset\n      };\n    },\n    length: 0,\n    getLocalName: function getLocalName(i) {\n      return this[i].localName;\n    },\n    getLocator: function getLocator(i) {\n      return this[i].locator;\n    },\n    getQName: function getQName(i) {\n      return this[i].qName;\n    },\n    getURI: function getURI(i) {\n      return this[i].uri;\n    },\n    getValue: function getValue(i) {\n      return this[i].value;\n    } //\t,getIndex:function(uri, localName)){\n    //\t\tif(localName){\n    //\n    //\t\t}else{\n    //\t\t\tvar qName = uri\n    //\t\t}\n    //\t},\n    //\tgetValue:function(){return this.getValue(this.getIndex.apply(this,arguments))},\n    //\tgetType:function(uri,localName){}\n    //\tgetType:function(i){},\n\n  };\n\n  function _set_proto_(thiz, parent) {\n    thiz.__proto__ = parent;\n    return thiz;\n  }\n\n  if (!(_set_proto_({}, _set_proto_.prototype) instanceof _set_proto_)) {\n    _set_proto_ = function _set_proto_(thiz, parent) {\n      function p() {}\n      p.prototype = parent;\n      p = new p();\n\n      for (parent in thiz) {\n        p[parent] = thiz[parent];\n      }\n\n      return p;\n    };\n  }\n\n  function split(source, start) {\n    var match;\n    var buf = [];\n    var reg = /'[^']+'|\"[^\"]+\"|[^\\s<>\\/=]+=?|(\\/?\\s*>|<)/g;\n    reg.lastIndex = start;\n    reg.exec(source); //skip <\n\n    while (match = reg.exec(source)) {\n      buf.push(match);\n      if (match[1]) return buf;\n    }\n  }\n\n  var XMLReader_1 = XMLReader;\n  var sax = {\n    XMLReader: XMLReader_1\n  };\n\n  /*\n   * DOM Level 2\n   * Object DOMException\n   * @see http://www.w3.org/TR/REC-DOM-Level-1/ecma-script-language-binding.html\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html\n   */\n  function copy(src, dest) {\n    for (var p in src) {\n      dest[p] = src[p];\n    }\n  }\n  /**\n  ^\\w+\\.prototype\\.([_\\w]+)\\s*=\\s*((?:.*\\{\\s*?[\\r\\n][\\s\\S]*?^})|\\S.*?(?=[;\\r\\n]));?\n  ^\\w+\\.prototype\\.([_\\w]+)\\s*=\\s*(\\S.*?(?=[;\\r\\n]));?\n   */\n\n\n  function _extends$1(Class, Super) {\n    var pt = Class.prototype;\n\n    if (Object.create) {\n      var ppt = Object.create(Super.prototype);\n      pt.__proto__ = ppt;\n    }\n\n    if (!(pt instanceof Super)) {\n      var t = function t() {};\n      t.prototype = Super.prototype;\n      t = new t();\n      copy(pt, t);\n      Class.prototype = pt = t;\n    }\n\n    if (pt.constructor != Class) {\n      if (typeof Class != 'function') {\n        console.error(\"unknow Class:\" + Class);\n      }\n\n      pt.constructor = Class;\n    }\n  }\n\n  var htmlns = 'http://www.w3.org/1999/xhtml'; // Node Types\n\n  var NodeType = {};\n  var ELEMENT_NODE = NodeType.ELEMENT_NODE = 1;\n  var ATTRIBUTE_NODE = NodeType.ATTRIBUTE_NODE = 2;\n  var TEXT_NODE = NodeType.TEXT_NODE = 3;\n  var CDATA_SECTION_NODE = NodeType.CDATA_SECTION_NODE = 4;\n  var ENTITY_REFERENCE_NODE = NodeType.ENTITY_REFERENCE_NODE = 5;\n  var ENTITY_NODE = NodeType.ENTITY_NODE = 6;\n  var PROCESSING_INSTRUCTION_NODE = NodeType.PROCESSING_INSTRUCTION_NODE = 7;\n  var COMMENT_NODE = NodeType.COMMENT_NODE = 8;\n  var DOCUMENT_NODE = NodeType.DOCUMENT_NODE = 9;\n  var DOCUMENT_TYPE_NODE = NodeType.DOCUMENT_TYPE_NODE = 10;\n  var DOCUMENT_FRAGMENT_NODE = NodeType.DOCUMENT_FRAGMENT_NODE = 11;\n  var NOTATION_NODE = NodeType.NOTATION_NODE = 12; // ExceptionCode\n\n  var ExceptionCode = {};\n  var ExceptionMessage = {};\n  var INDEX_SIZE_ERR = ExceptionCode.INDEX_SIZE_ERR = (ExceptionMessage[1] = \"Index size error\", 1);\n  var DOMSTRING_SIZE_ERR = ExceptionCode.DOMSTRING_SIZE_ERR = (ExceptionMessage[2] = \"DOMString size error\", 2);\n  var HIERARCHY_REQUEST_ERR = ExceptionCode.HIERARCHY_REQUEST_ERR = (ExceptionMessage[3] = \"Hierarchy request error\", 3);\n  var WRONG_DOCUMENT_ERR = ExceptionCode.WRONG_DOCUMENT_ERR = (ExceptionMessage[4] = \"Wrong document\", 4);\n  var INVALID_CHARACTER_ERR = ExceptionCode.INVALID_CHARACTER_ERR = (ExceptionMessage[5] = \"Invalid character\", 5);\n  var NO_DATA_ALLOWED_ERR = ExceptionCode.NO_DATA_ALLOWED_ERR = (ExceptionMessage[6] = \"No data allowed\", 6);\n  var NO_MODIFICATION_ALLOWED_ERR = ExceptionCode.NO_MODIFICATION_ALLOWED_ERR = (ExceptionMessage[7] = \"No modification allowed\", 7);\n  var NOT_FOUND_ERR = ExceptionCode.NOT_FOUND_ERR = (ExceptionMessage[8] = \"Not found\", 8);\n  var NOT_SUPPORTED_ERR = ExceptionCode.NOT_SUPPORTED_ERR = (ExceptionMessage[9] = \"Not supported\", 9);\n  var INUSE_ATTRIBUTE_ERR = ExceptionCode.INUSE_ATTRIBUTE_ERR = (ExceptionMessage[10] = \"Attribute in use\", 10); //level2\n\n  var INVALID_STATE_ERR = ExceptionCode.INVALID_STATE_ERR = (ExceptionMessage[11] = \"Invalid state\", 11);\n  var SYNTAX_ERR = ExceptionCode.SYNTAX_ERR = (ExceptionMessage[12] = \"Syntax error\", 12);\n  var INVALID_MODIFICATION_ERR = ExceptionCode.INVALID_MODIFICATION_ERR = (ExceptionMessage[13] = \"Invalid modification\", 13);\n  var NAMESPACE_ERR = ExceptionCode.NAMESPACE_ERR = (ExceptionMessage[14] = \"Invalid namespace\", 14);\n  var INVALID_ACCESS_ERR = ExceptionCode.INVALID_ACCESS_ERR = (ExceptionMessage[15] = \"Invalid access\", 15);\n\n  function DOMException(code, message) {\n    if (message instanceof Error) {\n      var error = message;\n    } else {\n      error = this;\n      Error.call(this, ExceptionMessage[code]);\n      this.message = ExceptionMessage[code];\n      if (Error.captureStackTrace) Error.captureStackTrace(this, DOMException);\n    }\n\n    error.code = code;\n    if (message) this.message = this.message + \": \" + message;\n    return error;\n  }\n  DOMException.prototype = Error.prototype;\n  copy(ExceptionCode, DOMException);\n  /**\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-536297177\n   * The NodeList interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented. NodeList objects in the DOM are live.\n   * The items in the NodeList are accessible via an integral index, starting from 0.\n   */\n\n  function NodeList() {}\n  NodeList.prototype = {\n    /**\n     * The number of nodes in the list. The range of valid child node indices is 0 to length-1 inclusive.\n     * @standard level1\n     */\n    length: 0,\n\n    /**\n     * Returns the indexth item in the collection. If index is greater than or equal to the number of nodes in the list, this returns null.\n     * @standard level1\n     * @param index  unsigned long\n     *   Index into the collection.\n     * @return Node\n     * \tThe node at the indexth position in the NodeList, or null if that is not a valid index.\n     */\n    item: function item(index) {\n      return this[index] || null;\n    },\n    toString: function toString(isHTML, nodeFilter) {\n      for (var buf = [], i = 0; i < this.length; i++) {\n        serializeToString(this[i], buf, isHTML, nodeFilter);\n      }\n\n      return buf.join('');\n    }\n  };\n\n  function LiveNodeList(node, refresh) {\n    this._node = node;\n    this._refresh = refresh;\n\n    _updateLiveList(this);\n  }\n\n  function _updateLiveList(list) {\n    var inc = list._node._inc || list._node.ownerDocument._inc;\n\n    if (list._inc != inc) {\n      var ls = list._refresh(list._node); //console.log(ls.length)\n\n\n      __set__(list, 'length', ls.length);\n\n      copy(ls, list);\n      list._inc = inc;\n    }\n  }\n\n  LiveNodeList.prototype.item = function (i) {\n    _updateLiveList(this);\n\n    return this[i];\n  };\n\n  _extends$1(LiveNodeList, NodeList);\n  /**\n   *\n   * Objects implementing the NamedNodeMap interface are used to represent collections of nodes that can be accessed by name. Note that NamedNodeMap does not inherit from NodeList; NamedNodeMaps are not maintained in any particular order. Objects contained in an object implementing NamedNodeMap may also be accessed by an ordinal index, but this is simply to allow convenient enumeration of the contents of a NamedNodeMap, and does not imply that the DOM specifies an order to these Nodes.\n   * NamedNodeMap objects in the DOM are live.\n   * used for attributes or DocumentType entities\n   */\n\n\n  function NamedNodeMap() {}\n\n  function _findNodeIndex(list, node) {\n    var i = list.length;\n\n    while (i--) {\n      if (list[i] === node) {\n        return i;\n      }\n    }\n  }\n\n  function _addNamedNode(el, list, newAttr, oldAttr) {\n    if (oldAttr) {\n      list[_findNodeIndex(list, oldAttr)] = newAttr;\n    } else {\n      list[list.length++] = newAttr;\n    }\n\n    if (el) {\n      newAttr.ownerElement = el;\n      var doc = el.ownerDocument;\n\n      if (doc) {\n        oldAttr && _onRemoveAttribute(doc, el, oldAttr);\n\n        _onAddAttribute(doc, el, newAttr);\n      }\n    }\n  }\n\n  function _removeNamedNode(el, list, attr) {\n    //console.log('remove attr:'+attr)\n    var i = _findNodeIndex(list, attr);\n\n    if (i >= 0) {\n      var lastIndex = list.length - 1;\n\n      while (i < lastIndex) {\n        list[i] = list[++i];\n      }\n\n      list.length = lastIndex;\n\n      if (el) {\n        var doc = el.ownerDocument;\n\n        if (doc) {\n          _onRemoveAttribute(doc, el, attr);\n\n          attr.ownerElement = null;\n        }\n      }\n    } else {\n      throw DOMException(NOT_FOUND_ERR, new Error(el.tagName + '@' + attr));\n    }\n  }\n\n  NamedNodeMap.prototype = {\n    length: 0,\n    item: NodeList.prototype.item,\n    getNamedItem: function getNamedItem(key) {\n      //\t\tif(key.indexOf(':')>0 || key == 'xmlns'){\n      //\t\t\treturn null;\n      //\t\t}\n      //console.log()\n      var i = this.length;\n\n      while (i--) {\n        var attr = this[i]; //console.log(attr.nodeName,key)\n\n        if (attr.nodeName == key) {\n          return attr;\n        }\n      }\n    },\n    setNamedItem: function setNamedItem(attr) {\n      var el = attr.ownerElement;\n\n      if (el && el != this._ownerElement) {\n        throw new DOMException(INUSE_ATTRIBUTE_ERR);\n      }\n\n      var oldAttr = this.getNamedItem(attr.nodeName);\n\n      _addNamedNode(this._ownerElement, this, attr, oldAttr);\n\n      return oldAttr;\n    },\n\n    /* returns Node */\n    setNamedItemNS: function setNamedItemNS(attr) {\n      // raises: WRONG_DOCUMENT_ERR,NO_MODIFICATION_ALLOWED_ERR,INUSE_ATTRIBUTE_ERR\n      var el = attr.ownerElement,\n          oldAttr;\n\n      if (el && el != this._ownerElement) {\n        throw new DOMException(INUSE_ATTRIBUTE_ERR);\n      }\n\n      oldAttr = this.getNamedItemNS(attr.namespaceURI, attr.localName);\n\n      _addNamedNode(this._ownerElement, this, attr, oldAttr);\n\n      return oldAttr;\n    },\n\n    /* returns Node */\n    removeNamedItem: function removeNamedItem(key) {\n      var attr = this.getNamedItem(key);\n\n      _removeNamedNode(this._ownerElement, this, attr);\n\n      return attr;\n    },\n    // raises: NOT_FOUND_ERR,NO_MODIFICATION_ALLOWED_ERR\n    //for level2\n    removeNamedItemNS: function removeNamedItemNS(namespaceURI, localName) {\n      var attr = this.getNamedItemNS(namespaceURI, localName);\n\n      _removeNamedNode(this._ownerElement, this, attr);\n\n      return attr;\n    },\n    getNamedItemNS: function getNamedItemNS(namespaceURI, localName) {\n      var i = this.length;\n\n      while (i--) {\n        var node = this[i];\n\n        if (node.localName == localName && node.namespaceURI == namespaceURI) {\n          return node;\n        }\n      }\n\n      return null;\n    }\n  };\n  /**\n   * @see http://www.w3.org/TR/REC-DOM-Level-1/level-one-core.html#ID-102161490\n   */\n\n  function DOMImplementation(\n  /* Object */\n  features) {\n    this._features = {};\n\n    if (features) {\n      for (var feature in features) {\n        this._features = features[feature];\n      }\n    }\n  }\n  DOMImplementation.prototype = {\n    hasFeature: function hasFeature(\n    /* string */\n    feature,\n    /* string */\n    version) {\n      var versions = this._features[feature.toLowerCase()];\n\n      if (versions && (!version || version in versions)) {\n        return true;\n      } else {\n        return false;\n      }\n    },\n    // Introduced in DOM Level 2:\n    createDocument: function createDocument(namespaceURI, qualifiedName, doctype) {\n      // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR,WRONG_DOCUMENT_ERR\n      var doc = new Document();\n      doc.implementation = this;\n      doc.childNodes = new NodeList();\n      doc.doctype = doctype;\n\n      if (doctype) {\n        doc.appendChild(doctype);\n      }\n\n      if (qualifiedName) {\n        var root = doc.createElementNS(namespaceURI, qualifiedName);\n        doc.appendChild(root);\n      }\n\n      return doc;\n    },\n    // Introduced in DOM Level 2:\n    createDocumentType: function createDocumentType(qualifiedName, publicId, systemId) {\n      // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR\n      var node = new DocumentType();\n      node.name = qualifiedName;\n      node.nodeName = qualifiedName;\n      node.publicId = publicId;\n      node.systemId = systemId; // Introduced in DOM Level 2:\n      //readonly attribute DOMString        internalSubset;\n      //TODO:..\n      //  readonly attribute NamedNodeMap     entities;\n      //  readonly attribute NamedNodeMap     notations;\n\n      return node;\n    }\n  };\n  /**\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-1950641247\n   */\n\n  function Node() {}\n  Node.prototype = {\n    firstChild: null,\n    lastChild: null,\n    previousSibling: null,\n    nextSibling: null,\n    attributes: null,\n    parentNode: null,\n    childNodes: null,\n    ownerDocument: null,\n    nodeValue: null,\n    namespaceURI: null,\n    prefix: null,\n    localName: null,\n    // Modified in DOM Level 2:\n    insertBefore: function insertBefore(newChild, refChild) {\n      //raises\n      return _insertBefore(this, newChild, refChild);\n    },\n    replaceChild: function replaceChild(newChild, oldChild) {\n      //raises\n      this.insertBefore(newChild, oldChild);\n\n      if (oldChild) {\n        this.removeChild(oldChild);\n      }\n    },\n    removeChild: function removeChild(oldChild) {\n      return _removeChild(this, oldChild);\n    },\n    appendChild: function appendChild(newChild) {\n      return this.insertBefore(newChild, null);\n    },\n    hasChildNodes: function hasChildNodes() {\n      return this.firstChild != null;\n    },\n    cloneNode: function cloneNode(deep) {\n      return _cloneNode(this.ownerDocument || this, this, deep);\n    },\n    // Modified in DOM Level 2:\n    normalize: function normalize() {\n      var child = this.firstChild;\n\n      while (child) {\n        var next = child.nextSibling;\n\n        if (next && next.nodeType == TEXT_NODE && child.nodeType == TEXT_NODE) {\n          this.removeChild(next);\n          child.appendData(next.data);\n        } else {\n          child.normalize();\n          child = next;\n        }\n      }\n    },\n    // Introduced in DOM Level 2:\n    isSupported: function isSupported(feature, version) {\n      return this.ownerDocument.implementation.hasFeature(feature, version);\n    },\n    // Introduced in DOM Level 2:\n    hasAttributes: function hasAttributes() {\n      return this.attributes.length > 0;\n    },\n    lookupPrefix: function lookupPrefix(namespaceURI) {\n      var el = this;\n\n      while (el) {\n        var map = el._nsMap; //console.dir(map)\n\n        if (map) {\n          for (var n in map) {\n            if (map[n] == namespaceURI) {\n              return n;\n            }\n          }\n        }\n\n        el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;\n      }\n\n      return null;\n    },\n    // Introduced in DOM Level 3:\n    lookupNamespaceURI: function lookupNamespaceURI(prefix) {\n      var el = this;\n\n      while (el) {\n        var map = el._nsMap; //console.dir(map)\n\n        if (map) {\n          if (prefix in map) {\n            return map[prefix];\n          }\n        }\n\n        el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;\n      }\n\n      return null;\n    },\n    // Introduced in DOM Level 3:\n    isDefaultNamespace: function isDefaultNamespace(namespaceURI) {\n      var prefix = this.lookupPrefix(namespaceURI);\n      return prefix == null;\n    }\n  };\n\n  function _xmlEncoder(c) {\n    return c == '<' && '&lt;' || c == '>' && '&gt;' || c == '&' && '&amp;' || c == '\"' && '&quot;' || '&#' + c.charCodeAt() + ';';\n  }\n\n  copy(NodeType, Node);\n  copy(NodeType, Node.prototype);\n  /**\n   * @param callback return true for continue,false for break\n   * @return boolean true: break visit;\n   */\n\n  function _visitNode(node, callback) {\n    if (callback(node)) {\n      return true;\n    }\n\n    if (node = node.firstChild) {\n      do {\n        if (_visitNode(node, callback)) {\n          return true;\n        }\n      } while (node = node.nextSibling);\n    }\n  }\n\n  function Document() {}\n\n  function _onAddAttribute(doc, el, newAttr) {\n    doc && doc._inc++;\n    var ns = newAttr.namespaceURI;\n\n    if (ns == 'http://www.w3.org/2000/xmlns/') {\n      //update namespace\n      el._nsMap[newAttr.prefix ? newAttr.localName : ''] = newAttr.value;\n    }\n  }\n\n  function _onRemoveAttribute(doc, el, newAttr, remove) {\n    doc && doc._inc++;\n    var ns = newAttr.namespaceURI;\n\n    if (ns == 'http://www.w3.org/2000/xmlns/') {\n      //update namespace\n      delete el._nsMap[newAttr.prefix ? newAttr.localName : ''];\n    }\n  }\n\n  function _onUpdateChild(doc, el, newChild) {\n    if (doc && doc._inc) {\n      doc._inc++; //update childNodes\n\n      var cs = el.childNodes;\n\n      if (newChild) {\n        cs[cs.length++] = newChild;\n      } else {\n        //console.log(1)\n        var child = el.firstChild;\n        var i = 0;\n\n        while (child) {\n          cs[i++] = child;\n          child = child.nextSibling;\n        }\n\n        cs.length = i;\n      }\n    }\n  }\n  /**\n   * attributes;\n   * children;\n   *\n   * writeable properties:\n   * nodeValue,Attr:value,CharacterData:data\n   * prefix\n   */\n\n\n  function _removeChild(parentNode, child) {\n    var previous = child.previousSibling;\n    var next = child.nextSibling;\n\n    if (previous) {\n      previous.nextSibling = next;\n    } else {\n      parentNode.firstChild = next;\n    }\n\n    if (next) {\n      next.previousSibling = previous;\n    } else {\n      parentNode.lastChild = previous;\n    }\n\n    _onUpdateChild(parentNode.ownerDocument, parentNode);\n\n    return child;\n  }\n  /**\n   * preformance key(refChild == null)\n   */\n\n\n  function _insertBefore(parentNode, newChild, nextChild) {\n    var cp = newChild.parentNode;\n\n    if (cp) {\n      cp.removeChild(newChild); //remove and update\n    }\n\n    if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {\n      var newFirst = newChild.firstChild;\n\n      if (newFirst == null) {\n        return newChild;\n      }\n\n      var newLast = newChild.lastChild;\n    } else {\n      newFirst = newLast = newChild;\n    }\n\n    var pre = nextChild ? nextChild.previousSibling : parentNode.lastChild;\n    newFirst.previousSibling = pre;\n    newLast.nextSibling = nextChild;\n\n    if (pre) {\n      pre.nextSibling = newFirst;\n    } else {\n      parentNode.firstChild = newFirst;\n    }\n\n    if (nextChild == null) {\n      parentNode.lastChild = newLast;\n    } else {\n      nextChild.previousSibling = newLast;\n    }\n\n    do {\n      newFirst.parentNode = parentNode;\n    } while (newFirst !== newLast && (newFirst = newFirst.nextSibling));\n\n    _onUpdateChild(parentNode.ownerDocument || parentNode, parentNode); //console.log(parentNode.lastChild.nextSibling == null)\n\n\n    if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {\n      newChild.firstChild = newChild.lastChild = null;\n    }\n\n    return newChild;\n  }\n\n  function _appendSingleChild(parentNode, newChild) {\n    var cp = newChild.parentNode;\n\n    if (cp) {\n      var pre = parentNode.lastChild;\n      cp.removeChild(newChild); //remove and update\n\n      var pre = parentNode.lastChild;\n    }\n\n    var pre = parentNode.lastChild;\n    newChild.parentNode = parentNode;\n    newChild.previousSibling = pre;\n    newChild.nextSibling = null;\n\n    if (pre) {\n      pre.nextSibling = newChild;\n    } else {\n      parentNode.firstChild = newChild;\n    }\n\n    parentNode.lastChild = newChild;\n\n    _onUpdateChild(parentNode.ownerDocument, parentNode, newChild);\n\n    return newChild; //console.log(\"__aa\",parentNode.lastChild.nextSibling == null)\n  }\n\n  Document.prototype = {\n    //implementation : null,\n    nodeName: '#document',\n    nodeType: DOCUMENT_NODE,\n    doctype: null,\n    documentElement: null,\n    _inc: 1,\n    insertBefore: function insertBefore(newChild, refChild) {\n      //raises\n      if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {\n        var child = newChild.firstChild;\n\n        while (child) {\n          var next = child.nextSibling;\n          this.insertBefore(child, refChild);\n          child = next;\n        }\n\n        return newChild;\n      }\n\n      if (this.documentElement == null && newChild.nodeType == ELEMENT_NODE) {\n        this.documentElement = newChild;\n      }\n\n      return _insertBefore(this, newChild, refChild), newChild.ownerDocument = this, newChild;\n    },\n    removeChild: function removeChild(oldChild) {\n      if (this.documentElement == oldChild) {\n        this.documentElement = null;\n      }\n\n      return _removeChild(this, oldChild);\n    },\n    // Introduced in DOM Level 2:\n    importNode: function importNode(importedNode, deep) {\n      return _importNode(this, importedNode, deep);\n    },\n    // Introduced in DOM Level 2:\n    getElementById: function getElementById(id) {\n      var rtv = null;\n\n      _visitNode(this.documentElement, function (node) {\n        if (node.nodeType == ELEMENT_NODE) {\n          if (node.getAttribute('id') == id) {\n            rtv = node;\n            return true;\n          }\n        }\n      });\n\n      return rtv;\n    },\n    //document factory method:\n    createElement: function createElement(tagName) {\n      var node = new Element();\n      node.ownerDocument = this;\n      node.nodeName = tagName;\n      node.tagName = tagName;\n      node.childNodes = new NodeList();\n      var attrs = node.attributes = new NamedNodeMap();\n      attrs._ownerElement = node;\n      return node;\n    },\n    createDocumentFragment: function createDocumentFragment() {\n      var node = new DocumentFragment();\n      node.ownerDocument = this;\n      node.childNodes = new NodeList();\n      return node;\n    },\n    createTextNode: function createTextNode(data) {\n      var node = new Text();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createComment: function createComment(data) {\n      var node = new Comment();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createCDATASection: function createCDATASection(data) {\n      var node = new CDATASection();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createProcessingInstruction: function createProcessingInstruction(target, data) {\n      var node = new ProcessingInstruction();\n      node.ownerDocument = this;\n      node.tagName = node.target = target;\n      node.nodeValue = node.data = data;\n      return node;\n    },\n    createAttribute: function createAttribute(name) {\n      var node = new Attr();\n      node.ownerDocument = this;\n      node.name = name;\n      node.nodeName = name;\n      node.localName = name;\n      node.specified = true;\n      return node;\n    },\n    createEntityReference: function createEntityReference(name) {\n      var node = new EntityReference();\n      node.ownerDocument = this;\n      node.nodeName = name;\n      return node;\n    },\n    // Introduced in DOM Level 2:\n    createElementNS: function createElementNS(namespaceURI, qualifiedName) {\n      var node = new Element();\n      var pl = qualifiedName.split(':');\n      var attrs = node.attributes = new NamedNodeMap();\n      node.childNodes = new NodeList();\n      node.ownerDocument = this;\n      node.nodeName = qualifiedName;\n      node.tagName = qualifiedName;\n      node.namespaceURI = namespaceURI;\n\n      if (pl.length == 2) {\n        node.prefix = pl[0];\n        node.localName = pl[1];\n      } else {\n        //el.prefix = null;\n        node.localName = qualifiedName;\n      }\n\n      attrs._ownerElement = node;\n      return node;\n    },\n    // Introduced in DOM Level 2:\n    createAttributeNS: function createAttributeNS(namespaceURI, qualifiedName) {\n      var node = new Attr();\n      var pl = qualifiedName.split(':');\n      node.ownerDocument = this;\n      node.nodeName = qualifiedName;\n      node.name = qualifiedName;\n      node.namespaceURI = namespaceURI;\n      node.specified = true;\n\n      if (pl.length == 2) {\n        node.prefix = pl[0];\n        node.localName = pl[1];\n      } else {\n        //el.prefix = null;\n        node.localName = qualifiedName;\n      }\n\n      return node;\n    }\n  };\n\n  _extends$1(Document, Node);\n\n  function Element() {\n    this._nsMap = {};\n  }\n  Element.prototype = {\n    nodeType: ELEMENT_NODE,\n    hasAttribute: function hasAttribute(name) {\n      return this.getAttributeNode(name) != null;\n    },\n    getAttribute: function getAttribute(name) {\n      var attr = this.getAttributeNode(name);\n      return attr && attr.value || '';\n    },\n    getAttributeNode: function getAttributeNode(name) {\n      return this.attributes.getNamedItem(name);\n    },\n    setAttribute: function setAttribute(name, value) {\n      var attr = this.ownerDocument.createAttribute(name);\n      attr.value = attr.nodeValue = \"\" + value;\n      this.setAttributeNode(attr);\n    },\n    removeAttribute: function removeAttribute(name) {\n      var attr = this.getAttributeNode(name);\n      attr && this.removeAttributeNode(attr);\n    },\n    //four real opeartion method\n    appendChild: function appendChild(newChild) {\n      if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {\n        return this.insertBefore(newChild, null);\n      } else {\n        return _appendSingleChild(this, newChild);\n      }\n    },\n    setAttributeNode: function setAttributeNode(newAttr) {\n      return this.attributes.setNamedItem(newAttr);\n    },\n    setAttributeNodeNS: function setAttributeNodeNS(newAttr) {\n      return this.attributes.setNamedItemNS(newAttr);\n    },\n    removeAttributeNode: function removeAttributeNode(oldAttr) {\n      //console.log(this == oldAttr.ownerElement)\n      return this.attributes.removeNamedItem(oldAttr.nodeName);\n    },\n    //get real attribute name,and remove it by removeAttributeNode\n    removeAttributeNS: function removeAttributeNS(namespaceURI, localName) {\n      var old = this.getAttributeNodeNS(namespaceURI, localName);\n      old && this.removeAttributeNode(old);\n    },\n    hasAttributeNS: function hasAttributeNS(namespaceURI, localName) {\n      return this.getAttributeNodeNS(namespaceURI, localName) != null;\n    },\n    getAttributeNS: function getAttributeNS(namespaceURI, localName) {\n      var attr = this.getAttributeNodeNS(namespaceURI, localName);\n      return attr && attr.value || '';\n    },\n    setAttributeNS: function setAttributeNS(namespaceURI, qualifiedName, value) {\n      var attr = this.ownerDocument.createAttributeNS(namespaceURI, qualifiedName);\n      attr.value = attr.nodeValue = \"\" + value;\n      this.setAttributeNode(attr);\n    },\n    getAttributeNodeNS: function getAttributeNodeNS(namespaceURI, localName) {\n      return this.attributes.getNamedItemNS(namespaceURI, localName);\n    },\n    getElementsByTagName: function getElementsByTagName(tagName) {\n      return new LiveNodeList(this, function (base) {\n        var ls = [];\n\n        _visitNode(base, function (node) {\n          if (node !== base && node.nodeType == ELEMENT_NODE && (tagName === '*' || node.tagName == tagName)) {\n            ls.push(node);\n          }\n        });\n\n        return ls;\n      });\n    },\n    getElementsByTagNameNS: function getElementsByTagNameNS(namespaceURI, localName) {\n      return new LiveNodeList(this, function (base) {\n        var ls = [];\n\n        _visitNode(base, function (node) {\n          if (node !== base && node.nodeType === ELEMENT_NODE && (namespaceURI === '*' || node.namespaceURI === namespaceURI) && (localName === '*' || node.localName == localName)) {\n            ls.push(node);\n          }\n        });\n\n        return ls;\n      });\n    }\n  };\n  Document.prototype.getElementsByTagName = Element.prototype.getElementsByTagName;\n  Document.prototype.getElementsByTagNameNS = Element.prototype.getElementsByTagNameNS;\n\n  _extends$1(Element, Node);\n\n  function Attr() {}\n  Attr.prototype.nodeType = ATTRIBUTE_NODE;\n\n  _extends$1(Attr, Node);\n\n  function CharacterData() {}\n  CharacterData.prototype = {\n    data: '',\n    substringData: function substringData(offset, count) {\n      return this.data.substring(offset, offset + count);\n    },\n    appendData: function appendData(text) {\n      text = this.data + text;\n      this.nodeValue = this.data = text;\n      this.length = text.length;\n    },\n    insertData: function insertData(offset, text) {\n      this.replaceData(offset, 0, text);\n    },\n    appendChild: function appendChild(newChild) {\n      throw new Error(ExceptionMessage[HIERARCHY_REQUEST_ERR]);\n    },\n    deleteData: function deleteData(offset, count) {\n      this.replaceData(offset, count, \"\");\n    },\n    replaceData: function replaceData(offset, count, text) {\n      var start = this.data.substring(0, offset);\n      var end = this.data.substring(offset + count);\n      text = start + text + end;\n      this.nodeValue = this.data = text;\n      this.length = text.length;\n    }\n  };\n\n  _extends$1(CharacterData, Node);\n\n  function Text() {}\n  Text.prototype = {\n    nodeName: \"#text\",\n    nodeType: TEXT_NODE,\n    splitText: function splitText(offset) {\n      var text = this.data;\n      var newText = text.substring(offset);\n      text = text.substring(0, offset);\n      this.data = this.nodeValue = text;\n      this.length = text.length;\n      var newNode = this.ownerDocument.createTextNode(newText);\n\n      if (this.parentNode) {\n        this.parentNode.insertBefore(newNode, this.nextSibling);\n      }\n\n      return newNode;\n    }\n  };\n\n  _extends$1(Text, CharacterData);\n\n  function Comment() {}\n  Comment.prototype = {\n    nodeName: \"#comment\",\n    nodeType: COMMENT_NODE\n  };\n\n  _extends$1(Comment, CharacterData);\n\n  function CDATASection() {}\n  CDATASection.prototype = {\n    nodeName: \"#cdata-section\",\n    nodeType: CDATA_SECTION_NODE\n  };\n\n  _extends$1(CDATASection, CharacterData);\n\n  function DocumentType() {}\n  DocumentType.prototype.nodeType = DOCUMENT_TYPE_NODE;\n\n  _extends$1(DocumentType, Node);\n\n  function Notation() {}\n  Notation.prototype.nodeType = NOTATION_NODE;\n\n  _extends$1(Notation, Node);\n\n  function Entity() {}\n  Entity.prototype.nodeType = ENTITY_NODE;\n\n  _extends$1(Entity, Node);\n\n  function EntityReference() {}\n  EntityReference.prototype.nodeType = ENTITY_REFERENCE_NODE;\n\n  _extends$1(EntityReference, Node);\n\n  function DocumentFragment() {}\n  DocumentFragment.prototype.nodeName = \"#document-fragment\";\n  DocumentFragment.prototype.nodeType = DOCUMENT_FRAGMENT_NODE;\n\n  _extends$1(DocumentFragment, Node);\n\n  function ProcessingInstruction() {}\n\n  ProcessingInstruction.prototype.nodeType = PROCESSING_INSTRUCTION_NODE;\n\n  _extends$1(ProcessingInstruction, Node);\n\n  function XMLSerializer() {}\n\n  XMLSerializer.prototype.serializeToString = function (node, isHtml, nodeFilter) {\n    return nodeSerializeToString.call(node, isHtml, nodeFilter);\n  };\n\n  Node.prototype.toString = nodeSerializeToString;\n\n  function nodeSerializeToString(isHtml, nodeFilter) {\n    var buf = [];\n    var refNode = this.nodeType == 9 ? this.documentElement : this;\n    var prefix = refNode.prefix;\n    var uri = refNode.namespaceURI;\n\n    if (uri && prefix == null) {\n      //console.log(prefix)\n      var prefix = refNode.lookupPrefix(uri);\n\n      if (prefix == null) {\n        //isHTML = true;\n        var visibleNamespaces = [{\n          namespace: uri,\n          prefix: null\n        } //{namespace:uri,prefix:''}\n        ];\n      }\n    }\n\n    serializeToString(this, buf, isHtml, nodeFilter, visibleNamespaces); //console.log('###',this.nodeType,uri,prefix,buf.join(''))\n\n    return buf.join('');\n  }\n\n  function needNamespaceDefine(node, isHTML, visibleNamespaces) {\n    var prefix = node.prefix || '';\n    var uri = node.namespaceURI;\n\n    if (!prefix && !uri) {\n      return false;\n    }\n\n    if (prefix === \"xml\" && uri === \"http://www.w3.org/XML/1998/namespace\" || uri == 'http://www.w3.org/2000/xmlns/') {\n      return false;\n    }\n\n    var i = visibleNamespaces.length; //console.log('@@@@',node.tagName,prefix,uri,visibleNamespaces)\n\n    while (i--) {\n      var ns = visibleNamespaces[i]; // get namespace prefix\n      //console.log(node.nodeType,node.tagName,ns.prefix,prefix)\n\n      if (ns.prefix == prefix) {\n        return ns.namespace != uri;\n      }\n    } //console.log(isHTML,uri,prefix=='')\n    //if(isHTML && prefix ==null && uri == 'http://www.w3.org/1999/xhtml'){\n    //\treturn false;\n    //}\n    //node.flag = '11111'\n    //console.error(3,true,node.flag,node.prefix,node.namespaceURI)\n\n\n    return true;\n  }\n\n  function serializeToString(node, buf, isHTML, nodeFilter, visibleNamespaces) {\n    if (nodeFilter) {\n      node = nodeFilter(node);\n\n      if (node) {\n        if (typeof node == 'string') {\n          buf.push(node);\n          return;\n        }\n      } else {\n        return;\n      } //buf.sort.apply(attrs, attributeSorter);\n\n    }\n\n    switch (node.nodeType) {\n      case ELEMENT_NODE:\n        if (!visibleNamespaces) visibleNamespaces = [];\n        var startVisibleNamespaces = visibleNamespaces.length;\n        var attrs = node.attributes;\n        var len = attrs.length;\n        var child = node.firstChild;\n        var nodeName = node.tagName;\n        isHTML = htmlns === node.namespaceURI || isHTML;\n        buf.push('<', nodeName);\n\n        for (var i = 0; i < len; i++) {\n          // add namespaces for attributes\n          var attr = attrs.item(i);\n\n          if (attr.prefix == 'xmlns') {\n            visibleNamespaces.push({\n              prefix: attr.localName,\n              namespace: attr.value\n            });\n          } else if (attr.nodeName == 'xmlns') {\n            visibleNamespaces.push({\n              prefix: '',\n              namespace: attr.value\n            });\n          }\n        }\n\n        for (var i = 0; i < len; i++) {\n          var attr = attrs.item(i);\n\n          if (needNamespaceDefine(attr, isHTML, visibleNamespaces)) {\n            var prefix = attr.prefix || '';\n            var uri = attr.namespaceURI;\n            var ns = prefix ? ' xmlns:' + prefix : \" xmlns\";\n            buf.push(ns, '=\"', uri, '\"');\n            visibleNamespaces.push({\n              prefix: prefix,\n              namespace: uri\n            });\n          }\n\n          serializeToString(attr, buf, isHTML, nodeFilter, visibleNamespaces);\n        } // add namespace for current node\n\n\n        if (needNamespaceDefine(node, isHTML, visibleNamespaces)) {\n          var prefix = node.prefix || '';\n          var uri = node.namespaceURI;\n          var ns = prefix ? ' xmlns:' + prefix : \" xmlns\";\n          buf.push(ns, '=\"', uri, '\"');\n          visibleNamespaces.push({\n            prefix: prefix,\n            namespace: uri\n          });\n        }\n\n        if (child || isHTML && !/^(?:meta|link|img|br|hr|input)$/i.test(nodeName)) {\n          buf.push('>'); //if is cdata child node\n\n          if (isHTML && /^script$/i.test(nodeName)) {\n            while (child) {\n              if (child.data) {\n                buf.push(child.data);\n              } else {\n                serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n              }\n\n              child = child.nextSibling;\n            }\n          } else {\n            while (child) {\n              serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n              child = child.nextSibling;\n            }\n          }\n\n          buf.push('</', nodeName, '>');\n        } else {\n          buf.push('/>');\n        } // remove added visible namespaces\n        //visibleNamespaces.length = startVisibleNamespaces;\n\n\n        return;\n\n      case DOCUMENT_NODE:\n      case DOCUMENT_FRAGMENT_NODE:\n        var child = node.firstChild;\n\n        while (child) {\n          serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n          child = child.nextSibling;\n        }\n\n        return;\n\n      case ATTRIBUTE_NODE:\n        return buf.push(' ', node.name, '=\"', node.value.replace(/[<&\"]/g, _xmlEncoder), '\"');\n\n      case TEXT_NODE:\n        return buf.push(node.data.replace(/[<&]/g, _xmlEncoder));\n\n      case CDATA_SECTION_NODE:\n        return buf.push('<![CDATA[', node.data, ']]>');\n\n      case COMMENT_NODE:\n        return buf.push(\"<!--\", node.data, \"-->\");\n\n      case DOCUMENT_TYPE_NODE:\n        var pubid = node.publicId;\n        var sysid = node.systemId;\n        buf.push('<!DOCTYPE ', node.name);\n\n        if (pubid) {\n          buf.push(' PUBLIC \"', pubid);\n\n          if (sysid && sysid != '.') {\n            buf.push('\" \"', sysid);\n          }\n\n          buf.push('\">');\n        } else if (sysid && sysid != '.') {\n          buf.push(' SYSTEM \"', sysid, '\">');\n        } else {\n          var sub = node.internalSubset;\n\n          if (sub) {\n            buf.push(\" [\", sub, \"]\");\n          }\n\n          buf.push(\">\");\n        }\n\n        return;\n\n      case PROCESSING_INSTRUCTION_NODE:\n        return buf.push(\"<?\", node.target, \" \", node.data, \"?>\");\n\n      case ENTITY_REFERENCE_NODE:\n        return buf.push('&', node.nodeName, ';');\n      //case ENTITY_NODE:\n      //case NOTATION_NODE:\n\n      default:\n        buf.push('??', node.nodeName);\n    }\n  }\n\n  function _importNode(doc, node, deep) {\n    var node2;\n\n    switch (node.nodeType) {\n      case ELEMENT_NODE:\n        node2 = node.cloneNode(false);\n        node2.ownerDocument = doc;\n      //var attrs = node2.attributes;\n      //var len = attrs.length;\n      //for(var i=0;i<len;i++){\n      //node2.setAttributeNodeNS(importNode(doc,attrs.item(i),deep));\n      //}\n\n      case DOCUMENT_FRAGMENT_NODE:\n        break;\n\n      case ATTRIBUTE_NODE:\n        deep = true;\n        break;\n      //case ENTITY_REFERENCE_NODE:\n      //case PROCESSING_INSTRUCTION_NODE:\n      ////case TEXT_NODE:\n      //case CDATA_SECTION_NODE:\n      //case COMMENT_NODE:\n      //\tdeep = false;\n      //\tbreak;\n      //case DOCUMENT_NODE:\n      //case DOCUMENT_TYPE_NODE:\n      //cannot be imported.\n      //case ENTITY_NODE:\n      //case NOTATION_NODE：\n      //can not hit in level3\n      //default:throw e;\n    }\n\n    if (!node2) {\n      node2 = node.cloneNode(false); //false\n    }\n\n    node2.ownerDocument = doc;\n    node2.parentNode = null;\n\n    if (deep) {\n      var child = node.firstChild;\n\n      while (child) {\n        node2.appendChild(_importNode(doc, child, deep));\n        child = child.nextSibling;\n      }\n    }\n\n    return node2;\n  } //\n  //var _relationMap = {firstChild:1,lastChild:1,previousSibling:1,nextSibling:1,\n  //\t\t\t\t\tattributes:1,childNodes:1,parentNode:1,documentElement:1,doctype,};\n\n\n  function _cloneNode(doc, node, deep) {\n    var node2 = new node.constructor();\n\n    for (var n in node) {\n      var v = node[n];\n\n      if (typeof v != 'object') {\n        if (v != node2[n]) {\n          node2[n] = v;\n        }\n      }\n    }\n\n    if (node.childNodes) {\n      node2.childNodes = new NodeList();\n    }\n\n    node2.ownerDocument = doc;\n\n    switch (node2.nodeType) {\n      case ELEMENT_NODE:\n        var attrs = node.attributes;\n        var attrs2 = node2.attributes = new NamedNodeMap();\n        var len = attrs.length;\n        attrs2._ownerElement = node2;\n\n        for (var i = 0; i < len; i++) {\n          node2.setAttributeNode(_cloneNode(doc, attrs.item(i), true));\n        }\n\n        break;\n\n\n      case ATTRIBUTE_NODE:\n        deep = true;\n    }\n\n    if (deep) {\n      var child = node.firstChild;\n\n      while (child) {\n        node2.appendChild(_cloneNode(doc, child, deep));\n        child = child.nextSibling;\n      }\n    }\n\n    return node2;\n  }\n\n  function __set__(object, key, value) {\n    object[key] = value;\n  } //do dynamic\n\n\n  try {\n    if (Object.defineProperty) {\n      var getTextContent = function getTextContent(node) {\n        switch (node.nodeType) {\n          case ELEMENT_NODE:\n          case DOCUMENT_FRAGMENT_NODE:\n            var buf = [];\n            node = node.firstChild;\n\n            while (node) {\n              if (node.nodeType !== 7 && node.nodeType !== 8) {\n                buf.push(getTextContent(node));\n              }\n\n              node = node.nextSibling;\n            }\n\n            return buf.join('');\n\n          default:\n            return node.nodeValue;\n        }\n      };\n\n      Object.defineProperty(LiveNodeList.prototype, 'length', {\n        get: function get() {\n          _updateLiveList(this);\n\n          return this.$$length;\n        }\n      });\n      Object.defineProperty(Node.prototype, 'textContent', {\n        get: function get() {\n          return getTextContent(this);\n        },\n        set: function set(data) {\n          switch (this.nodeType) {\n            case ELEMENT_NODE:\n            case DOCUMENT_FRAGMENT_NODE:\n              while (this.firstChild) {\n                this.removeChild(this.firstChild);\n              }\n\n              if (data || String(data)) {\n                this.appendChild(this.ownerDocument.createTextNode(data));\n              }\n\n              break;\n\n            default:\n              //TODO:\n              this.data = data;\n              this.value = data;\n              this.nodeValue = data;\n          }\n        }\n      });\n\n      __set__ = function __set__(object, key, value) {\n        //console.log(value)\n        object['$$' + key] = value;\n      };\n    }\n  } catch (e) {} //ie8\n  //if(typeof require == 'function'){\n\n\n  var DOMImplementation_1 = DOMImplementation;\n  var XMLSerializer_1 = XMLSerializer; //}\n\n  var dom = {\n    DOMImplementation: DOMImplementation_1,\n    XMLSerializer: XMLSerializer_1\n  };\n\n  var domParser = createCommonjsModule(function (module, exports) {\n    function DOMParser(options) {\n      this.options = options || {\n        locator: {}\n      };\n    }\n\n    DOMParser.prototype.parseFromString = function (source, mimeType) {\n      var options = this.options;\n      var sax = new XMLReader();\n      var domBuilder = options.domBuilder || new DOMHandler(); //contentHandler and LexicalHandler\n\n      var errorHandler = options.errorHandler;\n      var locator = options.locator;\n      var defaultNSMap = options.xmlns || {};\n      var entityMap = {\n        'lt': '<',\n        'gt': '>',\n        'amp': '&',\n        'quot': '\"',\n        'apos': \"'\"\n      };\n\n      if (locator) {\n        domBuilder.setDocumentLocator(locator);\n      }\n\n      sax.errorHandler = buildErrorHandler(errorHandler, domBuilder, locator);\n      sax.domBuilder = options.domBuilder || domBuilder;\n\n      if (/\\/x?html?$/.test(mimeType)) {\n        entityMap.nbsp = '\\xa0';\n        entityMap.copy = '\\xa9';\n        defaultNSMap[''] = 'http://www.w3.org/1999/xhtml';\n      }\n\n      defaultNSMap.xml = defaultNSMap.xml || 'http://www.w3.org/XML/1998/namespace';\n\n      if (source) {\n        sax.parse(source, defaultNSMap, entityMap);\n      } else {\n        sax.errorHandler.error(\"invalid doc source\");\n      }\n\n      return domBuilder.doc;\n    };\n\n    function buildErrorHandler(errorImpl, domBuilder, locator) {\n      if (!errorImpl) {\n        if (domBuilder instanceof DOMHandler) {\n          return domBuilder;\n        }\n\n        errorImpl = domBuilder;\n      }\n\n      var errorHandler = {};\n      var isCallback = errorImpl instanceof Function;\n      locator = locator || {};\n\n      function build(key) {\n        var fn = errorImpl[key];\n\n        if (!fn && isCallback) {\n          fn = errorImpl.length == 2 ? function (msg) {\n            errorImpl(key, msg);\n          } : errorImpl;\n        }\n\n        errorHandler[key] = fn && function (msg) {\n          fn('[xmldom ' + key + ']\\t' + msg + _locator(locator));\n        } || function () {};\n      }\n\n      build('warning');\n      build('error');\n      build('fatalError');\n      return errorHandler;\n    } //console.log('#\\n\\n\\n\\n\\n\\n\\n####')\n\n    /**\n     * +ContentHandler+ErrorHandler\n     * +LexicalHandler+EntityResolver2\n     * -DeclHandler-DTDHandler\n     *\n     * DefaultHandler:EntityResolver, DTDHandler, ContentHandler, ErrorHandler\n     * DefaultHandler2:DefaultHandler,LexicalHandler, DeclHandler, EntityResolver2\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/helpers/DefaultHandler.html\n     */\n\n\n    function DOMHandler() {\n      this.cdata = false;\n    }\n\n    function position(locator, node) {\n      node.lineNumber = locator.lineNumber;\n      node.columnNumber = locator.columnNumber;\n    }\n    /**\n     * @see org.xml.sax.ContentHandler#startDocument\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ContentHandler.html\n     */\n\n\n    DOMHandler.prototype = {\n      startDocument: function startDocument() {\n        this.doc = new DOMImplementation().createDocument(null, null, null);\n\n        if (this.locator) {\n          this.doc.documentURI = this.locator.systemId;\n        }\n      },\n      startElement: function startElement(namespaceURI, localName, qName, attrs) {\n        var doc = this.doc;\n        var el = doc.createElementNS(namespaceURI, qName || localName);\n        var len = attrs.length;\n        appendElement(this, el);\n        this.currentElement = el;\n        this.locator && position(this.locator, el);\n\n        for (var i = 0; i < len; i++) {\n          var namespaceURI = attrs.getURI(i);\n          var value = attrs.getValue(i);\n          var qName = attrs.getQName(i);\n          var attr = doc.createAttributeNS(namespaceURI, qName);\n          this.locator && position(attrs.getLocator(i), attr);\n          attr.value = attr.nodeValue = value;\n          el.setAttributeNode(attr);\n        }\n      },\n      endElement: function endElement(namespaceURI, localName, qName) {\n        var current = this.currentElement;\n        var tagName = current.tagName;\n        this.currentElement = current.parentNode;\n      },\n      startPrefixMapping: function startPrefixMapping(prefix, uri) {},\n      endPrefixMapping: function endPrefixMapping(prefix) {},\n      processingInstruction: function processingInstruction(target, data) {\n        var ins = this.doc.createProcessingInstruction(target, data);\n        this.locator && position(this.locator, ins);\n        appendElement(this, ins);\n      },\n      ignorableWhitespace: function ignorableWhitespace(ch, start, length) {},\n      characters: function characters(chars, start, length) {\n        chars = _toString.apply(this, arguments); //console.log(chars)\n\n        if (chars) {\n          if (this.cdata) {\n            var charNode = this.doc.createCDATASection(chars);\n          } else {\n            var charNode = this.doc.createTextNode(chars);\n          }\n\n          if (this.currentElement) {\n            this.currentElement.appendChild(charNode);\n          } else if (/^\\s*$/.test(chars)) {\n            this.doc.appendChild(charNode); //process xml\n          }\n\n          this.locator && position(this.locator, charNode);\n        }\n      },\n      skippedEntity: function skippedEntity(name) {},\n      endDocument: function endDocument() {\n        this.doc.normalize();\n      },\n      setDocumentLocator: function setDocumentLocator(locator) {\n        if (this.locator = locator) {\n          // && !('lineNumber' in locator)){\n          locator.lineNumber = 0;\n        }\n      },\n      //LexicalHandler\n      comment: function comment(chars, start, length) {\n        chars = _toString.apply(this, arguments);\n        var comm = this.doc.createComment(chars);\n        this.locator && position(this.locator, comm);\n        appendElement(this, comm);\n      },\n      startCDATA: function startCDATA() {\n        //used in characters() methods\n        this.cdata = true;\n      },\n      endCDATA: function endCDATA() {\n        this.cdata = false;\n      },\n      startDTD: function startDTD(name, publicId, systemId) {\n        var impl = this.doc.implementation;\n\n        if (impl && impl.createDocumentType) {\n          var dt = impl.createDocumentType(name, publicId, systemId);\n          this.locator && position(this.locator, dt);\n          appendElement(this, dt);\n        }\n      },\n\n      /**\n       * @see org.xml.sax.ErrorHandler\n       * @link http://www.saxproject.org/apidoc/org/xml/sax/ErrorHandler.html\n       */\n      warning: function warning(error) {\n        console.warn('[xmldom warning]\\t' + error, _locator(this.locator));\n      },\n      error: function error(_error) {\n        console.error('[xmldom error]\\t' + _error, _locator(this.locator));\n      },\n      fatalError: function fatalError(error) {\n        console.error('[xmldom fatalError]\\t' + error, _locator(this.locator));\n        throw error;\n      }\n    };\n\n    function _locator(l) {\n      if (l) {\n        return '\\n@' + (l.systemId || '') + '#[line:' + l.lineNumber + ',col:' + l.columnNumber + ']';\n      }\n    }\n\n    function _toString(chars, start, length) {\n      if (typeof chars == 'string') {\n        return chars.substr(start, length);\n      } else {\n        //java sax connect width xmldom on rhino(what about: \"? && !(chars instanceof String)\")\n        if (chars.length >= start + length || start) {\n          return new java.lang.String(chars, start, length) + '';\n        }\n\n        return chars;\n      }\n    }\n    /*\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/LexicalHandler.html\n     * used method of org.xml.sax.ext.LexicalHandler:\n     *  #comment(chars, start, length)\n     *  #startCDATA()\n     *  #endCDATA()\n     *  #startDTD(name, publicId, systemId)\n     *\n     *\n     * IGNORED method of org.xml.sax.ext.LexicalHandler:\n     *  #endDTD()\n     *  #startEntity(name)\n     *  #endEntity(name)\n     *\n     *\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/DeclHandler.html\n     * IGNORED method of org.xml.sax.ext.DeclHandler\n     * \t#attributeDecl(eName, aName, type, mode, value)\n     *  #elementDecl(name, model)\n     *  #externalEntityDecl(name, publicId, systemId)\n     *  #internalEntityDecl(name, value)\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/EntityResolver2.html\n     * IGNORED method of org.xml.sax.EntityResolver2\n     *  #resolveEntity(String name,String publicId,String baseURI,String systemId)\n     *  #resolveEntity(publicId, systemId)\n     *  #getExternalSubset(name, baseURI)\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/DTDHandler.html\n     * IGNORED method of org.xml.sax.DTDHandler\n     *  #notationDecl(name, publicId, systemId) {};\n     *  #unparsedEntityDecl(name, publicId, systemId, notationName) {};\n     */\n\n\n    \"endDTD,startEntity,endEntity,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,resolveEntity,getExternalSubset,notationDecl,unparsedEntityDecl\".replace(/\\w+/g, function (key) {\n      DOMHandler.prototype[key] = function () {\n        return null;\n      };\n    });\n    /* Private static helpers treated below as private instance methods, so don't need to add these to the public API; we might use a Relator to also get rid of non-standard public properties */\n\n    function appendElement(hander, node) {\n      if (!hander.currentElement) {\n        hander.doc.appendChild(node);\n      } else {\n        hander.currentElement.appendChild(node);\n      }\n    } //appendChild and setAttributeNS are preformance key\n    //if(typeof require == 'function'){\n\n\n    var XMLReader = sax.XMLReader;\n    var DOMImplementation = exports.DOMImplementation = dom.DOMImplementation;\n    exports.XMLSerializer = dom.XMLSerializer;\n    exports.DOMParser = DOMParser; //}\n  });\n  var domParser_1 = domParser.DOMImplementation;\n  var domParser_2 = domParser.XMLSerializer;\n  var domParser_3 = domParser.DOMParser;\n\n  /*! @name mpd-parser @version 0.10.0 @license Apache-2.0 */\n\n  var isObject$1 = function isObject(obj) {\n    return !!obj && typeof obj === 'object';\n  };\n\n  var merge = function merge() {\n    for (var _len = arguments.length, objects = new Array(_len), _key = 0; _key < _len; _key++) {\n      objects[_key] = arguments[_key];\n    }\n\n    return objects.reduce(function (result, source) {\n      Object.keys(source).forEach(function (key) {\n        if (Array.isArray(result[key]) && Array.isArray(source[key])) {\n          result[key] = result[key].concat(source[key]);\n        } else if (isObject$1(result[key]) && isObject$1(source[key])) {\n          result[key] = merge(result[key], source[key]);\n        } else {\n          result[key] = source[key];\n        }\n      });\n      return result;\n    }, {});\n  };\n\n  var values = function values(o) {\n    return Object.keys(o).map(function (k) {\n      return o[k];\n    });\n  };\n\n  var range = function range(start, end) {\n    var result = [];\n\n    for (var i = start; i < end; i++) {\n      result.push(i);\n    }\n\n    return result;\n  };\n\n  var flatten = function flatten(lists) {\n    return lists.reduce(function (x, y) {\n      return x.concat(y);\n    }, []);\n  };\n\n  var from = function from(list) {\n    if (!list.length) {\n      return [];\n    }\n\n    var result = [];\n\n    for (var i = 0; i < list.length; i++) {\n      result.push(list[i]);\n    }\n\n    return result;\n  };\n\n  var findIndexes = function findIndexes(l, key) {\n    return l.reduce(function (a, e, i) {\n      if (e[key]) {\n        a.push(i);\n      }\n\n      return a;\n    }, []);\n  };\n\n  var errors = {\n    INVALID_NUMBER_OF_PERIOD: 'INVALID_NUMBER_OF_PERIOD',\n    DASH_EMPTY_MANIFEST: 'DASH_EMPTY_MANIFEST',\n    DASH_INVALID_XML: 'DASH_INVALID_XML',\n    NO_BASE_URL: 'NO_BASE_URL',\n    MISSING_SEGMENT_INFORMATION: 'MISSING_SEGMENT_INFORMATION',\n    SEGMENT_TIME_UNSPECIFIED: 'SEGMENT_TIME_UNSPECIFIED',\n    UNSUPPORTED_UTC_TIMING_SCHEME: 'UNSUPPORTED_UTC_TIMING_SCHEME'\n  };\n  /**\n   * @typedef {Object} SingleUri\n   * @property {string} uri - relative location of segment\n   * @property {string} resolvedUri - resolved location of segment\n   * @property {Object} byterange - Object containing information on how to make byte range\n   *   requests following byte-range-spec per RFC2616.\n   * @property {String} byterange.length - length of range request\n   * @property {String} byterange.offset - byte offset of range request\n   *\n   * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.1\n   */\n\n  /**\n   * Converts a URLType node (5.3.9.2.3 Table 13) to a segment object\n   * that conforms to how m3u8-parser is structured\n   *\n   * @see https://github.com/videojs/m3u8-parser\n   *\n   * @param {string} baseUrl - baseUrl provided by <BaseUrl> nodes\n   * @param {string} source - source url for segment\n   * @param {string} range - optional range used for range calls,\n   *   follows  RFC 2616, Clause 14.35.1\n   * @return {SingleUri} full segment information transformed into a format similar\n   *   to m3u8-parser\n   */\n\n  var urlTypeToSegment = function urlTypeToSegment(_ref) {\n    var _ref$baseUrl = _ref.baseUrl,\n        baseUrl = _ref$baseUrl === void 0 ? '' : _ref$baseUrl,\n        _ref$source = _ref.source,\n        source = _ref$source === void 0 ? '' : _ref$source,\n        _ref$range = _ref.range,\n        range = _ref$range === void 0 ? '' : _ref$range,\n        _ref$indexRange = _ref.indexRange,\n        indexRange = _ref$indexRange === void 0 ? '' : _ref$indexRange;\n    var segment = {\n      uri: source,\n      resolvedUri: resolveUrl_1(baseUrl || '', source)\n    };\n\n    if (range || indexRange) {\n      var rangeStr = range ? range : indexRange;\n      var ranges = rangeStr.split('-');\n      var startRange = parseInt(ranges[0], 10);\n      var endRange = parseInt(ranges[1], 10); // byterange should be inclusive according to\n      // RFC 2616, Clause 14.35.1\n\n      segment.byterange = {\n        length: endRange - startRange + 1,\n        offset: startRange\n      };\n    }\n\n    return segment;\n  };\n\n  var byteRangeToString = function byteRangeToString(byterange) {\n    // `endRange` is one less than `offset + length` because the HTTP range\n    // header uses inclusive ranges\n    var endRange = byterange.offset + byterange.length - 1;\n    return byterange.offset + \"-\" + endRange;\n  };\n  /**\n   * Functions for calculating the range of available segments in static and dynamic\n   * manifests.\n   */\n\n\n  var segmentRange = {\n    /**\n     * Returns the entire range of available segments for a static MPD\n     *\n     * @param {Object} attributes\n     *        Inheritied MPD attributes\n     * @return {{ start: number, end: number }}\n     *         The start and end numbers for available segments\n     */\n    \"static\": function _static(attributes) {\n      var duration = attributes.duration,\n          _attributes$timescale = attributes.timescale,\n          timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n          sourceDuration = attributes.sourceDuration;\n      return {\n        start: 0,\n        end: Math.ceil(sourceDuration / (duration / timescale))\n      };\n    },\n\n    /**\n     * Returns the current live window range of available segments for a dynamic MPD\n     *\n     * @param {Object} attributes\n     *        Inheritied MPD attributes\n     * @return {{ start: number, end: number }}\n     *         The start and end numbers for available segments\n     */\n    dynamic: function dynamic(attributes) {\n      var NOW = attributes.NOW,\n          clientOffset = attributes.clientOffset,\n          availabilityStartTime = attributes.availabilityStartTime,\n          _attributes$timescale2 = attributes.timescale,\n          timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,\n          duration = attributes.duration,\n          _attributes$start = attributes.start,\n          start = _attributes$start === void 0 ? 0 : _attributes$start,\n          _attributes$minimumUp = attributes.minimumUpdatePeriod,\n          minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp,\n          _attributes$timeShift = attributes.timeShiftBufferDepth,\n          timeShiftBufferDepth = _attributes$timeShift === void 0 ? Infinity : _attributes$timeShift;\n      var now = (NOW + clientOffset) / 1000;\n      var periodStartWC = availabilityStartTime + start;\n      var periodEndWC = now + minimumUpdatePeriod;\n      var periodDuration = periodEndWC - periodStartWC;\n      var segmentCount = Math.ceil(periodDuration * timescale / duration);\n      var availableStart = Math.floor((now - periodStartWC - timeShiftBufferDepth) * timescale / duration);\n      var availableEnd = Math.floor((now - periodStartWC) * timescale / duration);\n      return {\n        start: Math.max(0, availableStart),\n        end: Math.min(segmentCount, availableEnd)\n      };\n    }\n  };\n  /**\n   * Maps a range of numbers to objects with information needed to build the corresponding\n   * segment list\n   *\n   * @name toSegmentsCallback\n   * @function\n   * @param {number} number\n   *        Number of the segment\n   * @param {number} index\n   *        Index of the number in the range list\n   * @return {{ number: Number, duration: Number, timeline: Number, time: Number }}\n   *         Object with segment timing and duration info\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping a range of numbers to\n   * information needed to build the segment list.\n   *\n   * @param {Object} attributes\n   *        Inherited MPD attributes\n   * @return {toSegmentsCallback}\n   *         Callback map function\n   */\n\n  var toSegments = function toSegments(attributes) {\n    return function (number, index) {\n      var duration = attributes.duration,\n          _attributes$timescale3 = attributes.timescale,\n          timescale = _attributes$timescale3 === void 0 ? 1 : _attributes$timescale3,\n          periodIndex = attributes.periodIndex,\n          _attributes$startNumb = attributes.startNumber,\n          startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb;\n      return {\n        number: startNumber + number,\n        duration: duration / timescale,\n        timeline: periodIndex,\n        time: index * duration\n      };\n    };\n  };\n  /**\n   * Returns a list of objects containing segment timing and duration info used for\n   * building the list of segments. This uses the @duration attribute specified\n   * in the MPD manifest to derive the range of segments.\n   *\n   * @param {Object} attributes\n   *        Inherited MPD attributes\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseByDuration = function parseByDuration(attributes) {\n    var _attributes$type = attributes.type,\n        type = _attributes$type === void 0 ? 'static' : _attributes$type,\n        duration = attributes.duration,\n        _attributes$timescale4 = attributes.timescale,\n        timescale = _attributes$timescale4 === void 0 ? 1 : _attributes$timescale4,\n        sourceDuration = attributes.sourceDuration;\n\n    var _segmentRange$type = segmentRange[type](attributes),\n        start = _segmentRange$type.start,\n        end = _segmentRange$type.end;\n\n    var segments = range(start, end).map(toSegments(attributes));\n\n    if (type === 'static') {\n      var index = segments.length - 1; // final segment may be less than full segment duration\n\n      segments[index].duration = sourceDuration - duration / timescale * index;\n    }\n\n    return segments;\n  };\n  /**\n   * Translates SegmentBase into a set of segments.\n   * (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes.  Each\n   * node should be translated into segment.\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @return {Object.<Array>} list of segments\n   */\n\n\n  var segmentsFromBase = function segmentsFromBase(attributes) {\n    var baseUrl = attributes.baseUrl,\n        _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ,\n        sourceDuration = attributes.sourceDuration,\n        _attributes$timescale = attributes.timescale,\n        timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n        _attributes$indexRang = attributes.indexRange,\n        indexRange = _attributes$indexRang === void 0 ? '' : _attributes$indexRang,\n        duration = attributes.duration; // base url is required for SegmentBase to work, per spec (Section 5.3.9.2.1)\n\n    if (!baseUrl) {\n      throw new Error(errors.NO_BASE_URL);\n    }\n\n    var initSegment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: initialization.sourceURL,\n      range: initialization.range\n    });\n    var segment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: baseUrl,\n      indexRange: indexRange\n    });\n    segment.map = initSegment; // If there is a duration, use it, otherwise use the given duration of the source\n    // (since SegmentBase is only for one total segment)\n\n    if (duration) {\n      var segmentTimeInfo = parseByDuration(attributes);\n\n      if (segmentTimeInfo.length) {\n        segment.duration = segmentTimeInfo[0].duration;\n        segment.timeline = segmentTimeInfo[0].timeline;\n      }\n    } else if (sourceDuration) {\n      segment.duration = sourceDuration / timescale;\n      segment.timeline = 0;\n    } // This is used for mediaSequence\n\n\n    segment.number = 0;\n    return [segment];\n  };\n  /**\n   * Given a playlist, a sidx box, and a baseUrl, update the segment list of the playlist\n   * according to the sidx information given.\n   *\n   * playlist.sidx has metadadata about the sidx where-as the sidx param\n   * is the parsed sidx box itself.\n   *\n   * @param {Object} playlist the playlist to update the sidx information for\n   * @param {Object} sidx the parsed sidx box\n   * @return {Object} the playlist object with the updated sidx information\n   */\n\n\n  var addSegmentsToPlaylist = function addSegmentsToPlaylist(playlist, sidx, baseUrl) {\n    // Retain init segment information\n    var initSegment = playlist.sidx.map ? playlist.sidx.map : null; // Retain source duration from initial master manifest parsing\n\n    var sourceDuration = playlist.sidx.duration; // Retain source timeline\n\n    var timeline = playlist.timeline || 0;\n    var sidxByteRange = playlist.sidx.byterange;\n    var sidxEnd = sidxByteRange.offset + sidxByteRange.length; // Retain timescale of the parsed sidx\n\n    var timescale = sidx.timescale; // referenceType 1 refers to other sidx boxes\n\n    var mediaReferences = sidx.references.filter(function (r) {\n      return r.referenceType !== 1;\n    });\n    var segments = []; // firstOffset is the offset from the end of the sidx box\n\n    var startIndex = sidxEnd + sidx.firstOffset;\n\n    for (var i = 0; i < mediaReferences.length; i++) {\n      var reference = sidx.references[i]; // size of the referenced (sub)segment\n\n      var size = reference.referencedSize; // duration of the referenced (sub)segment, in  the  timescale\n      // this will be converted to seconds when generating segments\n\n      var duration = reference.subsegmentDuration; // should be an inclusive range\n\n      var endIndex = startIndex + size - 1;\n      var indexRange = startIndex + \"-\" + endIndex;\n      var attributes = {\n        baseUrl: baseUrl,\n        timescale: timescale,\n        timeline: timeline,\n        // this is used in parseByDuration\n        periodIndex: timeline,\n        duration: duration,\n        sourceDuration: sourceDuration,\n        indexRange: indexRange\n      };\n      var segment = segmentsFromBase(attributes)[0];\n\n      if (initSegment) {\n        segment.map = initSegment;\n      }\n\n      segments.push(segment);\n      startIndex += size;\n    }\n\n    playlist.segments = segments;\n    return playlist;\n  };\n\n  var mergeDiscontiguousPlaylists = function mergeDiscontiguousPlaylists(playlists) {\n    var mergedPlaylists = values(playlists.reduce(function (acc, playlist) {\n      // assuming playlist IDs are the same across periods\n      // TODO: handle multiperiod where representation sets are not the same\n      // across periods\n      var name = playlist.attributes.id + (playlist.attributes.lang || ''); // Periods after first\n\n      if (acc[name]) {\n        var _acc$name$segments; // first segment of subsequent periods signal a discontinuity\n\n\n        if (playlist.segments[0]) {\n          playlist.segments[0].discontinuity = true;\n        }\n\n        (_acc$name$segments = acc[name].segments).push.apply(_acc$name$segments, playlist.segments); // bubble up contentProtection, this assumes all DRM content\n        // has the same contentProtection\n\n\n        if (playlist.attributes.contentProtection) {\n          acc[name].attributes.contentProtection = playlist.attributes.contentProtection;\n        }\n      } else {\n        // first Period\n        acc[name] = playlist;\n      }\n\n      return acc;\n    }, {}));\n    return mergedPlaylists.map(function (playlist) {\n      playlist.discontinuityStarts = findIndexes(playlist.segments, 'discontinuity');\n      return playlist;\n    });\n  };\n\n  var addSegmentInfoFromSidx = function addSegmentInfoFromSidx(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    if (!Object.keys(sidxMapping).length) {\n      return playlists;\n    }\n\n    for (var i in playlists) {\n      var playlist = playlists[i];\n\n      if (!playlist.sidx) {\n        continue;\n      }\n\n      var sidxKey = playlist.sidx.uri + '-' + byteRangeToString(playlist.sidx.byterange);\n      var sidxMatch = sidxMapping[sidxKey] && sidxMapping[sidxKey].sidx;\n\n      if (playlist.sidx && sidxMatch) {\n        addSegmentsToPlaylist(playlist, sidxMatch, playlist.sidx.resolvedUri);\n      }\n    }\n\n    return playlists;\n  };\n\n  var formatAudioPlaylist = function formatAudioPlaylist(_ref) {\n    var _attributes;\n\n    var attributes = _ref.attributes,\n        segments = _ref.segments,\n        sidx = _ref.sidx;\n    var playlist = {\n      attributes: (_attributes = {\n        NAME: attributes.id,\n        BANDWIDTH: attributes.bandwidth,\n        CODECS: attributes.codecs\n      }, _attributes['PROGRAM-ID'] = 1, _attributes),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n\n    if (attributes.contentProtection) {\n      playlist.contentProtection = attributes.contentProtection;\n    }\n\n    if (sidx) {\n      playlist.sidx = sidx;\n    }\n\n    return playlist;\n  };\n\n  var formatVttPlaylist = function formatVttPlaylist(_ref2) {\n    var _attributes2;\n\n    var attributes = _ref2.attributes,\n        segments = _ref2.segments;\n\n    if (typeof segments === 'undefined') {\n      // vtt tracks may use single file in BaseURL\n      segments = [{\n        uri: attributes.baseUrl,\n        timeline: attributes.periodIndex,\n        resolvedUri: attributes.baseUrl || '',\n        duration: attributes.sourceDuration,\n        number: 0\n      }]; // targetDuration should be the same duration as the only segment\n\n      attributes.duration = attributes.sourceDuration;\n    }\n\n    return {\n      attributes: (_attributes2 = {\n        NAME: attributes.id,\n        BANDWIDTH: attributes.bandwidth\n      }, _attributes2['PROGRAM-ID'] = 1, _attributes2),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: attributes.baseUrl || '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n  };\n\n  var organizeAudioPlaylists = function organizeAudioPlaylists(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    var mainPlaylist;\n    var formattedPlaylists = playlists.reduce(function (a, playlist) {\n      var role = playlist.attributes.role && playlist.attributes.role.value || '';\n      var language = playlist.attributes.lang || '';\n      var label = 'main';\n\n      if (language) {\n        var roleLabel = role ? \" (\" + role + \")\" : '';\n        label = \"\" + playlist.attributes.lang + roleLabel;\n      } // skip if we already have the highest quality audio for a language\n\n\n      if (a[label] && a[label].playlists[0].attributes.BANDWIDTH > playlist.attributes.bandwidth) {\n        return a;\n      }\n\n      a[label] = {\n        language: language,\n        autoselect: true,\n        \"default\": role === 'main',\n        playlists: addSegmentInfoFromSidx([formatAudioPlaylist(playlist)], sidxMapping),\n        uri: ''\n      };\n\n      if (typeof mainPlaylist === 'undefined' && role === 'main') {\n        mainPlaylist = playlist;\n        mainPlaylist[\"default\"] = true;\n      }\n\n      return a;\n    }, {}); // if no playlists have role \"main\", mark the first as main\n\n    if (!mainPlaylist) {\n      var firstLabel = Object.keys(formattedPlaylists)[0];\n      formattedPlaylists[firstLabel][\"default\"] = true;\n    }\n\n    return formattedPlaylists;\n  };\n\n  var organizeVttPlaylists = function organizeVttPlaylists(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    return playlists.reduce(function (a, playlist) {\n      var label = playlist.attributes.lang || 'text'; // skip if we already have subtitles\n\n      if (a[label]) {\n        return a;\n      }\n\n      a[label] = {\n        language: label,\n        \"default\": false,\n        autoselect: false,\n        playlists: addSegmentInfoFromSidx([formatVttPlaylist(playlist)], sidxMapping),\n        uri: ''\n      };\n      return a;\n    }, {});\n  };\n\n  var formatVideoPlaylist = function formatVideoPlaylist(_ref3) {\n    var _attributes3;\n\n    var attributes = _ref3.attributes,\n        segments = _ref3.segments,\n        sidx = _ref3.sidx;\n    var playlist = {\n      attributes: (_attributes3 = {\n        NAME: attributes.id,\n        AUDIO: 'audio',\n        SUBTITLES: 'subs',\n        RESOLUTION: {\n          width: attributes.width,\n          height: attributes.height\n        },\n        CODECS: attributes.codecs,\n        BANDWIDTH: attributes.bandwidth\n      }, _attributes3['PROGRAM-ID'] = 1, _attributes3),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n\n    if (attributes.contentProtection) {\n      playlist.contentProtection = attributes.contentProtection;\n    }\n\n    if (sidx) {\n      playlist.sidx = sidx;\n    }\n\n    return playlist;\n  };\n\n  var toM3u8 = function toM3u8(dashPlaylists, sidxMapping) {\n    var _mediaGroups;\n\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    if (!dashPlaylists.length) {\n      return {};\n    } // grab all master attributes\n\n\n    var _dashPlaylists$0$attr = dashPlaylists[0].attributes,\n        duration = _dashPlaylists$0$attr.sourceDuration,\n        _dashPlaylists$0$attr2 = _dashPlaylists$0$attr.type,\n        type = _dashPlaylists$0$attr2 === void 0 ? 'static' : _dashPlaylists$0$attr2,\n        suggestedPresentationDelay = _dashPlaylists$0$attr.suggestedPresentationDelay,\n        _dashPlaylists$0$attr3 = _dashPlaylists$0$attr.minimumUpdatePeriod,\n        minimumUpdatePeriod = _dashPlaylists$0$attr3 === void 0 ? 0 : _dashPlaylists$0$attr3;\n\n    var videoOnly = function videoOnly(_ref4) {\n      var attributes = _ref4.attributes;\n      return attributes.mimeType === 'video/mp4' || attributes.contentType === 'video';\n    };\n\n    var audioOnly = function audioOnly(_ref5) {\n      var attributes = _ref5.attributes;\n      return attributes.mimeType === 'audio/mp4' || attributes.contentType === 'audio';\n    };\n\n    var vttOnly = function vttOnly(_ref6) {\n      var attributes = _ref6.attributes;\n      return attributes.mimeType === 'text/vtt' || attributes.contentType === 'text';\n    };\n\n    var videoPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(videoOnly)).map(formatVideoPlaylist);\n    var audioPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(audioOnly));\n    var vttPlaylists = dashPlaylists.filter(vttOnly);\n    var master = {\n      allowCache: true,\n      discontinuityStarts: [],\n      segments: [],\n      endList: true,\n      mediaGroups: (_mediaGroups = {\n        AUDIO: {},\n        VIDEO: {}\n      }, _mediaGroups['CLOSED-CAPTIONS'] = {}, _mediaGroups.SUBTITLES = {}, _mediaGroups),\n      uri: '',\n      duration: duration,\n      playlists: addSegmentInfoFromSidx(videoPlaylists, sidxMapping),\n      minimumUpdatePeriod: minimumUpdatePeriod * 1000\n    };\n\n    if (type === 'dynamic') {\n      master.suggestedPresentationDelay = suggestedPresentationDelay;\n    }\n\n    if (audioPlaylists.length) {\n      master.mediaGroups.AUDIO.audio = organizeAudioPlaylists(audioPlaylists, sidxMapping);\n    }\n\n    if (vttPlaylists.length) {\n      master.mediaGroups.SUBTITLES.subs = organizeVttPlaylists(vttPlaylists, sidxMapping);\n    }\n\n    return master;\n  };\n  /**\n   * Calculates the R (repetition) value for a live stream (for the final segment\n   * in a manifest where the r value is negative 1)\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {number} time\n   *        current time (typically the total time up until the final segment)\n   * @param {number} duration\n   *        duration property for the given <S />\n   *\n   * @return {number}\n   *        R value to reach the end of the given period\n   */\n\n\n  var getLiveRValue = function getLiveRValue(attributes, time, duration) {\n    var NOW = attributes.NOW,\n        clientOffset = attributes.clientOffset,\n        availabilityStartTime = attributes.availabilityStartTime,\n        _attributes$timescale = attributes.timescale,\n        timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n        _attributes$start = attributes.start,\n        start = _attributes$start === void 0 ? 0 : _attributes$start,\n        _attributes$minimumUp = attributes.minimumUpdatePeriod,\n        minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp;\n    var now = (NOW + clientOffset) / 1000;\n    var periodStartWC = availabilityStartTime + start;\n    var periodEndWC = now + minimumUpdatePeriod;\n    var periodDuration = periodEndWC - periodStartWC;\n    return Math.ceil((periodDuration * timescale - time) / duration);\n  };\n  /**\n   * Uses information provided by SegmentTemplate.SegmentTimeline to determine segment\n   * timing and duration\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseByTimeline = function parseByTimeline(attributes, segmentTimeline) {\n    var _attributes$type = attributes.type,\n        type = _attributes$type === void 0 ? 'static' : _attributes$type,\n        _attributes$minimumUp2 = attributes.minimumUpdatePeriod,\n        minimumUpdatePeriod = _attributes$minimumUp2 === void 0 ? 0 : _attributes$minimumUp2,\n        _attributes$media = attributes.media,\n        media = _attributes$media === void 0 ? '' : _attributes$media,\n        sourceDuration = attributes.sourceDuration,\n        _attributes$timescale2 = attributes.timescale,\n        timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,\n        _attributes$startNumb = attributes.startNumber,\n        startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb,\n        timeline = attributes.periodIndex;\n    var segments = [];\n    var time = -1;\n\n    for (var sIndex = 0; sIndex < segmentTimeline.length; sIndex++) {\n      var S = segmentTimeline[sIndex];\n      var duration = S.d;\n      var repeat = S.r || 0;\n      var segmentTime = S.t || 0;\n\n      if (time < 0) {\n        // first segment\n        time = segmentTime;\n      }\n\n      if (segmentTime && segmentTime > time) {\n        // discontinuity\n        // TODO: How to handle this type of discontinuity\n        // timeline++ here would treat it like HLS discontuity and content would\n        // get appended without gap\n        // E.G.\n        //  <S t=\"0\" d=\"1\" />\n        //  <S d=\"1\" />\n        //  <S d=\"1\" />\n        //  <S t=\"5\" d=\"1\" />\n        // would have $Time$ values of [0, 1, 2, 5]\n        // should this be appened at time positions [0, 1, 2, 3],(#EXT-X-DISCONTINUITY)\n        // or [0, 1, 2, gap, gap, 5]? (#EXT-X-GAP)\n        // does the value of sourceDuration consider this when calculating arbitrary\n        // negative @r repeat value?\n        // E.G. Same elements as above with this added at the end\n        //  <S d=\"1\" r=\"-1\" />\n        //  with a sourceDuration of 10\n        // Would the 2 gaps be included in the time duration calculations resulting in\n        // 8 segments with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9] or 10 segments\n        // with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9, 10, 11] ?\n        time = segmentTime;\n      }\n\n      var count = void 0;\n\n      if (repeat < 0) {\n        var nextS = sIndex + 1;\n\n        if (nextS === segmentTimeline.length) {\n          // last segment\n          if (type === 'dynamic' && minimumUpdatePeriod > 0 && media.indexOf('$Number$') > 0) {\n            count = getLiveRValue(attributes, time, duration);\n          } else {\n            // TODO: This may be incorrect depending on conclusion of TODO above\n            count = (sourceDuration * timescale - time) / duration;\n          }\n        } else {\n          count = (segmentTimeline[nextS].t - time) / duration;\n        }\n      } else {\n        count = repeat + 1;\n      }\n\n      var end = startNumber + segments.length + count;\n      var number = startNumber + segments.length;\n\n      while (number < end) {\n        segments.push({\n          number: number,\n          duration: duration / timescale,\n          time: time,\n          timeline: timeline\n        });\n        time += duration;\n        number++;\n      }\n    }\n\n    return segments;\n  };\n\n  var identifierPattern = /\\$([A-z]*)(?:(%0)([0-9]+)d)?\\$/g;\n  /**\n   * Replaces template identifiers with corresponding values. To be used as the callback\n   * for String.prototype.replace\n   *\n   * @name replaceCallback\n   * @function\n   * @param {string} match\n   *        Entire match of identifier\n   * @param {string} identifier\n   *        Name of matched identifier\n   * @param {string} format\n   *        Format tag string. Its presence indicates that padding is expected\n   * @param {string} width\n   *        Desired length of the replaced value. Values less than this width shall be left\n   *        zero padded\n   * @return {string}\n   *         Replacement for the matched identifier\n   */\n\n  /**\n   * Returns a function to be used as a callback for String.prototype.replace to replace\n   * template identifiers\n   *\n   * @param {Obect} values\n   *        Object containing values that shall be used to replace known identifiers\n   * @param {number} values.RepresentationID\n   *        Value of the Representation@id attribute\n   * @param {number} values.Number\n   *        Number of the corresponding segment\n   * @param {number} values.Bandwidth\n   *        Value of the Representation@bandwidth attribute.\n   * @param {number} values.Time\n   *        Timestamp value of the corresponding segment\n   * @return {replaceCallback}\n   *         Callback to be used with String.prototype.replace to replace identifiers\n   */\n\n  var identifierReplacement = function identifierReplacement(values) {\n    return function (match, identifier, format, width) {\n      if (match === '$$') {\n        // escape sequence\n        return '$';\n      }\n\n      if (typeof values[identifier] === 'undefined') {\n        return match;\n      }\n\n      var value = '' + values[identifier];\n\n      if (identifier === 'RepresentationID') {\n        // Format tag shall not be present with RepresentationID\n        return value;\n      }\n\n      if (!format) {\n        width = 1;\n      } else {\n        width = parseInt(width, 10);\n      }\n\n      if (value.length >= width) {\n        return value;\n      }\n\n      return \"\" + new Array(width - value.length + 1).join('0') + value;\n    };\n  };\n  /**\n   * Constructs a segment url from a template string\n   *\n   * @param {string} url\n   *        Template string to construct url from\n   * @param {Obect} values\n   *        Object containing values that shall be used to replace known identifiers\n   * @param {number} values.RepresentationID\n   *        Value of the Representation@id attribute\n   * @param {number} values.Number\n   *        Number of the corresponding segment\n   * @param {number} values.Bandwidth\n   *        Value of the Representation@bandwidth attribute.\n   * @param {number} values.Time\n   *        Timestamp value of the corresponding segment\n   * @return {string}\n   *         Segment url with identifiers replaced\n   */\n\n\n  var constructTemplateUrl = function constructTemplateUrl(url, values) {\n    return url.replace(identifierPattern, identifierReplacement(values));\n  };\n  /**\n   * Generates a list of objects containing timing and duration information about each\n   * segment needed to generate segment uris and the complete segment object\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseTemplateInfo = function parseTemplateInfo(attributes, segmentTimeline) {\n    if (!attributes.duration && !segmentTimeline) {\n      // if neither @duration or SegmentTimeline are present, then there shall be exactly\n      // one media segment\n      return [{\n        number: attributes.startNumber || 1,\n        duration: attributes.sourceDuration,\n        time: 0,\n        timeline: attributes.periodIndex\n      }];\n    }\n\n    if (attributes.duration) {\n      return parseByDuration(attributes);\n    }\n\n    return parseByTimeline(attributes, segmentTimeline);\n  };\n  /**\n   * Generates a list of segments using information provided by the SegmentTemplate element\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {Object[]}\n   *         List of segment objects\n   */\n\n\n  var segmentsFromTemplate = function segmentsFromTemplate(attributes, segmentTimeline) {\n    var templateValues = {\n      RepresentationID: attributes.id,\n      Bandwidth: attributes.bandwidth || 0\n    };\n    var _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {\n      sourceURL: '',\n      range: ''\n    } : _attributes$initializ;\n    var mapSegment = urlTypeToSegment({\n      baseUrl: attributes.baseUrl,\n      source: constructTemplateUrl(initialization.sourceURL, templateValues),\n      range: initialization.range\n    });\n    var segments = parseTemplateInfo(attributes, segmentTimeline);\n    return segments.map(function (segment) {\n      templateValues.Number = segment.number;\n      templateValues.Time = segment.time;\n      var uri = constructTemplateUrl(attributes.media || '', templateValues);\n      return {\n        uri: uri,\n        timeline: segment.timeline,\n        duration: segment.duration,\n        resolvedUri: resolveUrl_1(attributes.baseUrl || '', uri),\n        map: mapSegment,\n        number: segment.number\n      };\n    });\n  };\n  /**\n   * Converts a <SegmentUrl> (of type URLType from the DASH spec 5.3.9.2 Table 14)\n   * to an object that matches the output of a segment in videojs/mpd-parser\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @param {Object} segmentUrl\n   *   <SegmentURL> node to translate into a segment object\n   * @return {Object} translated segment object\n   */\n\n\n  var SegmentURLToSegmentObject = function SegmentURLToSegmentObject(attributes, segmentUrl) {\n    var baseUrl = attributes.baseUrl,\n        _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ;\n    var initSegment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: initialization.sourceURL,\n      range: initialization.range\n    });\n    var segment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: segmentUrl.media,\n      range: segmentUrl.mediaRange\n    });\n    segment.map = initSegment;\n    return segment;\n  };\n  /**\n   * Generates a list of segments using information provided by the SegmentList element\n   * SegmentList (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes.  Each\n   * node should be translated into segment.\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {Object.<Array>} list of segments\n   */\n\n\n  var segmentsFromList = function segmentsFromList(attributes, segmentTimeline) {\n    var duration = attributes.duration,\n        _attributes$segmentUr = attributes.segmentUrls,\n        segmentUrls = _attributes$segmentUr === void 0 ? [] : _attributes$segmentUr; // Per spec (5.3.9.2.1) no way to determine segment duration OR\n    // if both SegmentTimeline and @duration are defined, it is outside of spec.\n\n    if (!duration && !segmentTimeline || duration && segmentTimeline) {\n      throw new Error(errors.SEGMENT_TIME_UNSPECIFIED);\n    }\n\n    var segmentUrlMap = segmentUrls.map(function (segmentUrlObject) {\n      return SegmentURLToSegmentObject(attributes, segmentUrlObject);\n    });\n    var segmentTimeInfo;\n\n    if (duration) {\n      segmentTimeInfo = parseByDuration(attributes);\n    }\n\n    if (segmentTimeline) {\n      segmentTimeInfo = parseByTimeline(attributes, segmentTimeline);\n    }\n\n    var segments = segmentTimeInfo.map(function (segmentTime, index) {\n      if (segmentUrlMap[index]) {\n        var segment = segmentUrlMap[index];\n        segment.timeline = segmentTime.timeline;\n        segment.duration = segmentTime.duration;\n        segment.number = segmentTime.number;\n        return segment;\n      } // Since we're mapping we should get rid of any blank segments (in case\n      // the given SegmentTimeline is handling for more elements than we have\n      // SegmentURLs for).\n\n    }).filter(function (segment) {\n      return segment;\n    });\n    return segments;\n  };\n\n  var generateSegments = function generateSegments(_ref) {\n    var attributes = _ref.attributes,\n        segmentInfo = _ref.segmentInfo;\n    var segmentAttributes;\n    var segmentsFn;\n\n    if (segmentInfo.template) {\n      segmentsFn = segmentsFromTemplate;\n      segmentAttributes = merge(attributes, segmentInfo.template);\n    } else if (segmentInfo.base) {\n      segmentsFn = segmentsFromBase;\n      segmentAttributes = merge(attributes, segmentInfo.base);\n    } else if (segmentInfo.list) {\n      segmentsFn = segmentsFromList;\n      segmentAttributes = merge(attributes, segmentInfo.list);\n    }\n\n    var segmentsInfo = {\n      attributes: attributes\n    };\n\n    if (!segmentsFn) {\n      return segmentsInfo;\n    }\n\n    var segments = segmentsFn(segmentAttributes, segmentInfo.timeline); // The @duration attribute will be used to determin the playlist's targetDuration which\n    // must be in seconds. Since we've generated the segment list, we no longer need\n    // @duration to be in @timescale units, so we can convert it here.\n\n    if (segmentAttributes.duration) {\n      var _segmentAttributes = segmentAttributes,\n          duration = _segmentAttributes.duration,\n          _segmentAttributes$ti = _segmentAttributes.timescale,\n          timescale = _segmentAttributes$ti === void 0 ? 1 : _segmentAttributes$ti;\n      segmentAttributes.duration = duration / timescale;\n    } else if (segments.length) {\n      // if there is no @duration attribute, use the largest segment duration as\n      // as target duration\n      segmentAttributes.duration = segments.reduce(function (max, segment) {\n        return Math.max(max, Math.ceil(segment.duration));\n      }, 0);\n    } else {\n      segmentAttributes.duration = 0;\n    }\n\n    segmentsInfo.attributes = segmentAttributes;\n    segmentsInfo.segments = segments; // This is a sidx box without actual segment information\n\n    if (segmentInfo.base && segmentAttributes.indexRange) {\n      segmentsInfo.sidx = segments[0];\n      segmentsInfo.segments = [];\n    }\n\n    return segmentsInfo;\n  };\n\n  var toPlaylists = function toPlaylists(representations) {\n    return representations.map(generateSegments);\n  };\n\n  var findChildren = function findChildren(element, name) {\n    return from(element.childNodes).filter(function (_ref) {\n      var tagName = _ref.tagName;\n      return tagName === name;\n    });\n  };\n\n  var getContent = function getContent(element) {\n    return element.textContent.trim();\n  };\n\n  var parseDuration = function parseDuration(str) {\n    var SECONDS_IN_YEAR = 365 * 24 * 60 * 60;\n    var SECONDS_IN_MONTH = 30 * 24 * 60 * 60;\n    var SECONDS_IN_DAY = 24 * 60 * 60;\n    var SECONDS_IN_HOUR = 60 * 60;\n    var SECONDS_IN_MIN = 60; // P10Y10M10DT10H10M10.1S\n\n    var durationRegex = /P(?:(\\d*)Y)?(?:(\\d*)M)?(?:(\\d*)D)?(?:T(?:(\\d*)H)?(?:(\\d*)M)?(?:([\\d.]*)S)?)?/;\n    var match = durationRegex.exec(str);\n\n    if (!match) {\n      return 0;\n    }\n\n    var _match$slice = match.slice(1),\n        year = _match$slice[0],\n        month = _match$slice[1],\n        day = _match$slice[2],\n        hour = _match$slice[3],\n        minute = _match$slice[4],\n        second = _match$slice[5];\n\n    return parseFloat(year || 0) * SECONDS_IN_YEAR + parseFloat(month || 0) * SECONDS_IN_MONTH + parseFloat(day || 0) * SECONDS_IN_DAY + parseFloat(hour || 0) * SECONDS_IN_HOUR + parseFloat(minute || 0) * SECONDS_IN_MIN + parseFloat(second || 0);\n  };\n\n  var parseDate = function parseDate(str) {\n    // Date format without timezone according to ISO 8601\n    // YYY-MM-DDThh:mm:ss.ssssss\n    var dateRegex = /^\\d+-\\d+-\\d+T\\d+:\\d+:\\d+(\\.\\d+)?$/; // If the date string does not specifiy a timezone, we must specifiy UTC. This is\n    // expressed by ending with 'Z'\n\n    if (dateRegex.test(str)) {\n      str += 'Z';\n    }\n\n    return Date.parse(str);\n  };\n\n  var parsers = {\n    /**\n     * Specifies the duration of the entire Media Presentation. Format is a duration string\n     * as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    mediaPresentationDuration: function mediaPresentationDuration(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the Segment availability start time for all Segments referred to in this\n     * MPD. For a dynamic manifest, it specifies the anchor for the earliest availability\n     * time. Format is a date string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The date as seconds from unix epoch\n     */\n    availabilityStartTime: function availabilityStartTime(value) {\n      return parseDate(value) / 1000;\n    },\n\n    /**\n     * Specifies the smallest period between potential changes to the MPD. Format is a\n     * duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    minimumUpdatePeriod: function minimumUpdatePeriod(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the suggested presentation delay. Format is a\n     * duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    suggestedPresentationDelay: function suggestedPresentationDelay(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * specifices the type of mpd. Can be either \"static\" or \"dynamic\"\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     *\n     * @return {string}\n     *         The type as a string\n     */\n    type: function type(value) {\n      return value;\n    },\n\n    /**\n     * Specifies the duration of the smallest time shifting buffer for any Representation\n     * in the MPD. Format is a duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    timeShiftBufferDepth: function timeShiftBufferDepth(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the PeriodStart time of the Period relative to the availabilityStarttime.\n     * Format is a duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    start: function start(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the width of the visual presentation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed width\n     */\n    width: function width(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the height of the visual presentation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed height\n     */\n    height: function height(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the bitrate of the representation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed bandwidth\n     */\n    bandwidth: function bandwidth(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the number of the first Media Segment in this Representation in the Period\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed number\n     */\n    startNumber: function startNumber(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the timescale in units per seconds\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The aprsed timescale\n     */\n    timescale: function timescale(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the constant approximate Segment duration\n     * NOTE: The <Period> element also contains an @duration attribute. This duration\n     *       specifies the duration of the Period. This attribute is currently not\n     *       supported by the rest of the parser, however we still check for it to prevent\n     *       errors.\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed duration\n     */\n    duration: function duration(value) {\n      var parsedValue = parseInt(value, 10);\n\n      if (isNaN(parsedValue)) {\n        return parseDuration(value);\n      }\n\n      return parsedValue;\n    },\n\n    /**\n     * Specifies the Segment duration, in units of the value of the @timescale.\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed duration\n     */\n    d: function d(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the MPD start time, in @timescale units, the first Segment in the series\n     * starts relative to the beginning of the Period\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed time\n     */\n    t: function t(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the repeat count of the number of following contiguous Segments with the\n     * same duration expressed by the value of @d\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed number\n     */\n    r: function r(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Default parser for all other attributes. Acts as a no-op and just returns the value\n     * as a string\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {string}\n     *         Unparsed value\n     */\n    DEFAULT: function DEFAULT(value) {\n      return value;\n    }\n  };\n  /**\n   * Gets all the attributes and values of the provided node, parses attributes with known\n   * types, and returns an object with attribute names mapped to values.\n   *\n   * @param {Node} el\n   *        The node to parse attributes from\n   * @return {Object}\n   *         Object with all attributes of el parsed\n   */\n\n  var parseAttributes$1 = function parseAttributes(el) {\n    if (!(el && el.attributes)) {\n      return {};\n    }\n\n    return from(el.attributes).reduce(function (a, e) {\n      var parseFn = parsers[e.name] || parsers.DEFAULT;\n      a[e.name] = parseFn(e.value);\n      return a;\n    }, {});\n  };\n\n  var keySystemsMap = {\n    'urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b': 'org.w3.clearkey',\n    'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed': 'com.widevine.alpha',\n    'urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95': 'com.microsoft.playready',\n    'urn:uuid:f239e769-efa3-4850-9c16-a903c6932efb': 'com.adobe.primetime'\n  };\n  /**\n   * Builds a list of urls that is the product of the reference urls and BaseURL values\n   *\n   * @param {string[]} referenceUrls\n   *        List of reference urls to resolve to\n   * @param {Node[]} baseUrlElements\n   *        List of BaseURL nodes from the mpd\n   * @return {string[]}\n   *         List of resolved urls\n   */\n\n  var buildBaseUrls = function buildBaseUrls(referenceUrls, baseUrlElements) {\n    if (!baseUrlElements.length) {\n      return referenceUrls;\n    }\n\n    return flatten(referenceUrls.map(function (reference) {\n      return baseUrlElements.map(function (baseUrlElement) {\n        return resolveUrl_1(reference, getContent(baseUrlElement));\n      });\n    }));\n  };\n  /**\n   * Contains all Segment information for its containing AdaptationSet\n   *\n   * @typedef {Object} SegmentInformation\n   * @property {Object|undefined} template\n   *           Contains the attributes for the SegmentTemplate node\n   * @property {Object[]|undefined} timeline\n   *           Contains a list of atrributes for each S node within the SegmentTimeline node\n   * @property {Object|undefined} list\n   *           Contains the attributes for the SegmentList node\n   * @property {Object|undefined} base\n   *           Contains the attributes for the SegmentBase node\n   */\n\n  /**\n   * Returns all available Segment information contained within the AdaptationSet node\n   *\n   * @param {Node} adaptationSet\n   *        The AdaptationSet node to get Segment information from\n   * @return {SegmentInformation}\n   *         The Segment information contained within the provided AdaptationSet\n   */\n\n\n  var getSegmentInformation = function getSegmentInformation(adaptationSet) {\n    var segmentTemplate = findChildren(adaptationSet, 'SegmentTemplate')[0];\n    var segmentList = findChildren(adaptationSet, 'SegmentList')[0];\n    var segmentUrls = segmentList && findChildren(segmentList, 'SegmentURL').map(function (s) {\n      return merge({\n        tag: 'SegmentURL'\n      }, parseAttributes$1(s));\n    });\n    var segmentBase = findChildren(adaptationSet, 'SegmentBase')[0];\n    var segmentTimelineParentNode = segmentList || segmentTemplate;\n    var segmentTimeline = segmentTimelineParentNode && findChildren(segmentTimelineParentNode, 'SegmentTimeline')[0];\n    var segmentInitializationParentNode = segmentList || segmentBase || segmentTemplate;\n    var segmentInitialization = segmentInitializationParentNode && findChildren(segmentInitializationParentNode, 'Initialization')[0]; // SegmentTemplate is handled slightly differently, since it can have both\n    // @initialization and an <Initialization> node.  @initialization can be templated,\n    // while the node can have a url and range specified.  If the <SegmentTemplate> has\n    // both @initialization and an <Initialization> subelement we opt to override with\n    // the node, as this interaction is not defined in the spec.\n\n    var template = segmentTemplate && parseAttributes$1(segmentTemplate);\n\n    if (template && segmentInitialization) {\n      template.initialization = segmentInitialization && parseAttributes$1(segmentInitialization);\n    } else if (template && template.initialization) {\n      // If it is @initialization we convert it to an object since this is the format that\n      // later functions will rely on for the initialization segment.  This is only valid\n      // for <SegmentTemplate>\n      template.initialization = {\n        sourceURL: template.initialization\n      };\n    }\n\n    var segmentInfo = {\n      template: template,\n      timeline: segmentTimeline && findChildren(segmentTimeline, 'S').map(function (s) {\n        return parseAttributes$1(s);\n      }),\n      list: segmentList && merge(parseAttributes$1(segmentList), {\n        segmentUrls: segmentUrls,\n        initialization: parseAttributes$1(segmentInitialization)\n      }),\n      base: segmentBase && merge(parseAttributes$1(segmentBase), {\n        initialization: parseAttributes$1(segmentInitialization)\n      })\n    };\n    Object.keys(segmentInfo).forEach(function (key) {\n      if (!segmentInfo[key]) {\n        delete segmentInfo[key];\n      }\n    });\n    return segmentInfo;\n  };\n  /**\n   * Contains Segment information and attributes needed to construct a Playlist object\n   * from a Representation\n   *\n   * @typedef {Object} RepresentationInformation\n   * @property {SegmentInformation} segmentInfo\n   *           Segment information for this Representation\n   * @property {Object} attributes\n   *           Inherited attributes for this Representation\n   */\n\n  /**\n   * Maps a Representation node to an object containing Segment information and attributes\n   *\n   * @name inheritBaseUrlsCallback\n   * @function\n   * @param {Node} representation\n   *        Representation node from the mpd\n   * @return {RepresentationInformation}\n   *         Representation information needed to construct a Playlist object\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping Representation nodes to\n   * Segment information and attributes using inherited BaseURL nodes.\n   *\n   * @param {Object} adaptationSetAttributes\n   *        Contains attributes inherited by the AdaptationSet\n   * @param {string[]} adaptationSetBaseUrls\n   *        Contains list of resolved base urls inherited by the AdaptationSet\n   * @param {SegmentInformation} adaptationSetSegmentInfo\n   *        Contains Segment information for the AdaptationSet\n   * @return {inheritBaseUrlsCallback}\n   *         Callback map function\n   */\n\n\n  var inheritBaseUrls = function inheritBaseUrls(adaptationSetAttributes, adaptationSetBaseUrls, adaptationSetSegmentInfo) {\n    return function (representation) {\n      var repBaseUrlElements = findChildren(representation, 'BaseURL');\n      var repBaseUrls = buildBaseUrls(adaptationSetBaseUrls, repBaseUrlElements);\n      var attributes = merge(adaptationSetAttributes, parseAttributes$1(representation));\n      var representationSegmentInfo = getSegmentInformation(representation);\n      return repBaseUrls.map(function (baseUrl) {\n        return {\n          segmentInfo: merge(adaptationSetSegmentInfo, representationSegmentInfo),\n          attributes: merge(attributes, {\n            baseUrl: baseUrl\n          })\n        };\n      });\n    };\n  };\n  /**\n   * Tranforms a series of content protection nodes to\n   * an object containing pssh data by key system\n   *\n   * @param {Node[]} contentProtectionNodes\n   *        Content protection nodes\n   * @return {Object}\n   *        Object containing pssh data by key system\n   */\n\n\n  var generateKeySystemInformation = function generateKeySystemInformation(contentProtectionNodes) {\n    return contentProtectionNodes.reduce(function (acc, node) {\n      var attributes = parseAttributes$1(node);\n      var keySystem = keySystemsMap[attributes.schemeIdUri];\n\n      if (keySystem) {\n        acc[keySystem] = {\n          attributes: attributes\n        };\n        var psshNode = findChildren(node, 'cenc:pssh')[0];\n\n        if (psshNode) {\n          var pssh = getContent(psshNode);\n          var psshBuffer = pssh && decodeB64ToUint8Array_1(pssh);\n          acc[keySystem].pssh = psshBuffer;\n        }\n      }\n\n      return acc;\n    }, {});\n  };\n  /**\n   * Maps an AdaptationSet node to a list of Representation information objects\n   *\n   * @name toRepresentationsCallback\n   * @function\n   * @param {Node} adaptationSet\n   *        AdaptationSet node from the mpd\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representaion information\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping AdaptationSet nodes to a list of\n   * Representation information objects\n   *\n   * @param {Object} periodAttributes\n   *        Contains attributes inherited by the Period\n   * @param {string[]} periodBaseUrls\n   *        Contains list of resolved base urls inherited by the Period\n   * @param {string[]} periodSegmentInfo\n   *        Contains Segment Information at the period level\n   * @return {toRepresentationsCallback}\n   *         Callback map function\n   */\n\n\n  var toRepresentations = function toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo) {\n    return function (adaptationSet) {\n      var adaptationSetAttributes = parseAttributes$1(adaptationSet);\n      var adaptationSetBaseUrls = buildBaseUrls(periodBaseUrls, findChildren(adaptationSet, 'BaseURL'));\n      var role = findChildren(adaptationSet, 'Role')[0];\n      var roleAttributes = {\n        role: parseAttributes$1(role)\n      };\n      var attrs = merge(periodAttributes, adaptationSetAttributes, roleAttributes);\n      var contentProtection = generateKeySystemInformation(findChildren(adaptationSet, 'ContentProtection'));\n\n      if (Object.keys(contentProtection).length) {\n        attrs = merge(attrs, {\n          contentProtection: contentProtection\n        });\n      }\n\n      var segmentInfo = getSegmentInformation(adaptationSet);\n      var representations = findChildren(adaptationSet, 'Representation');\n      var adaptationSetSegmentInfo = merge(periodSegmentInfo, segmentInfo);\n      return flatten(representations.map(inheritBaseUrls(attrs, adaptationSetBaseUrls, adaptationSetSegmentInfo)));\n    };\n  };\n  /**\n   * Maps an Period node to a list of Representation inforamtion objects for all\n   * AdaptationSet nodes contained within the Period\n   *\n   * @name toAdaptationSetsCallback\n   * @function\n   * @param {Node} period\n   *        Period node from the mpd\n   * @param {number} periodIndex\n   *        Index of the Period within the mpd\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representaion information\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping Period nodes to a list of\n   * Representation information objects\n   *\n   * @param {Object} mpdAttributes\n   *        Contains attributes inherited by the mpd\n   * @param {string[]} mpdBaseUrls\n   *        Contains list of resolved base urls inherited by the mpd\n   * @return {toAdaptationSetsCallback}\n   *         Callback map function\n   */\n\n\n  var toAdaptationSets = function toAdaptationSets(mpdAttributes, mpdBaseUrls) {\n    return function (period, index) {\n      var periodBaseUrls = buildBaseUrls(mpdBaseUrls, findChildren(period, 'BaseURL'));\n      var periodAtt = parseAttributes$1(period);\n      var parsedPeriodId = parseInt(periodAtt.id, 10); // fallback to mapping index if Period@id is not a number\n\n      var periodIndex = window$3.isNaN(parsedPeriodId) ? index : parsedPeriodId;\n      var periodAttributes = merge(mpdAttributes, {\n        periodIndex: periodIndex\n      });\n      var adaptationSets = findChildren(period, 'AdaptationSet');\n      var periodSegmentInfo = getSegmentInformation(period);\n      return flatten(adaptationSets.map(toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo)));\n    };\n  };\n  /**\n   * Traverses the mpd xml tree to generate a list of Representation information objects\n   * that have inherited attributes from parent nodes\n   *\n   * @param {Node} mpd\n   *        The root node of the mpd\n   * @param {Object} options\n   *        Available options for inheritAttributes\n   * @param {string} options.manifestUri\n   *        The uri source of the mpd\n   * @param {number} options.NOW\n   *        Current time per DASH IOP.  Default is current time in ms since epoch\n   * @param {number} options.clientOffset\n   *        Client time difference from NOW (in milliseconds)\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representation information\n   */\n\n\n  var inheritAttributes = function inheritAttributes(mpd, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var _options = options,\n        _options$manifestUri = _options.manifestUri,\n        manifestUri = _options$manifestUri === void 0 ? '' : _options$manifestUri,\n        _options$NOW = _options.NOW,\n        NOW = _options$NOW === void 0 ? Date.now() : _options$NOW,\n        _options$clientOffset = _options.clientOffset,\n        clientOffset = _options$clientOffset === void 0 ? 0 : _options$clientOffset;\n    var periods = findChildren(mpd, 'Period');\n\n    if (!periods.length) {\n      throw new Error(errors.INVALID_NUMBER_OF_PERIOD);\n    }\n\n    var mpdAttributes = parseAttributes$1(mpd);\n    var mpdBaseUrls = buildBaseUrls([manifestUri], findChildren(mpd, 'BaseURL'));\n    mpdAttributes.sourceDuration = mpdAttributes.mediaPresentationDuration || 0;\n    mpdAttributes.NOW = NOW;\n    mpdAttributes.clientOffset = clientOffset;\n    return flatten(periods.map(toAdaptationSets(mpdAttributes, mpdBaseUrls)));\n  };\n\n  var stringToMpdXml = function stringToMpdXml(manifestString) {\n    if (manifestString === '') {\n      throw new Error(errors.DASH_EMPTY_MANIFEST);\n    }\n\n    var parser = new domParser_3();\n    var xml = parser.parseFromString(manifestString, 'application/xml');\n    var mpd = xml && xml.documentElement.tagName === 'MPD' ? xml.documentElement : null;\n\n    if (!mpd || mpd && mpd.getElementsByTagName('parsererror').length > 0) {\n      throw new Error(errors.DASH_INVALID_XML);\n    }\n\n    return mpd;\n  };\n  /**\n   * Parses the manifest for a UTCTiming node, returning the nodes attributes if found\n   *\n   * @param {string} mpd\n   *        XML string of the MPD manifest\n   * @return {Object|null}\n   *         Attributes of UTCTiming node specified in the manifest. Null if none found\n   */\n\n\n  var parseUTCTimingScheme = function parseUTCTimingScheme(mpd) {\n    var UTCTimingNode = findChildren(mpd, 'UTCTiming')[0];\n\n    if (!UTCTimingNode) {\n      return null;\n    }\n\n    var attributes = parseAttributes$1(UTCTimingNode);\n\n    switch (attributes.schemeIdUri) {\n      case 'urn:mpeg:dash:utc:http-head:2014':\n      case 'urn:mpeg:dash:utc:http-head:2012':\n        attributes.method = 'HEAD';\n        break;\n\n      case 'urn:mpeg:dash:utc:http-xsdate:2014':\n      case 'urn:mpeg:dash:utc:http-iso:2014':\n      case 'urn:mpeg:dash:utc:http-xsdate:2012':\n      case 'urn:mpeg:dash:utc:http-iso:2012':\n        attributes.method = 'GET';\n        break;\n\n      case 'urn:mpeg:dash:utc:direct:2014':\n      case 'urn:mpeg:dash:utc:direct:2012':\n        attributes.method = 'DIRECT';\n        attributes.value = Date.parse(attributes.value);\n        break;\n\n      case 'urn:mpeg:dash:utc:http-ntp:2014':\n      case 'urn:mpeg:dash:utc:ntp:2014':\n      case 'urn:mpeg:dash:utc:sntp:2014':\n      default:\n        throw new Error(errors.UNSUPPORTED_UTC_TIMING_SCHEME);\n    }\n\n    return attributes;\n  };\n\n  var parse = function parse(manifestString, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    return toM3u8(toPlaylists(inheritAttributes(stringToMpdXml(manifestString), options)), options.sidxMapping);\n  };\n  /**\n   * Parses the manifest for a UTCTiming node, returning the nodes attributes if found\n   *\n   * @param {string} manifestString\n   *        XML string of the MPD manifest\n   * @return {Object|null}\n   *         Attributes of UTCTiming node specified in the manifest. Null if none found\n   */\n\n\n  var parseUTCTiming = function parseUTCTiming(manifestString) {\n    return parseUTCTimingScheme(stringToMpdXml(manifestString));\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n  var toUnsigned = function toUnsigned(value) {\n    return value >>> 0;\n  };\n\n  var toHexString = function toHexString(value) {\n    return ('00' + value.toString(16)).slice(-2);\n  };\n\n  var bin = {\n    toUnsigned: toUnsigned,\n    toHexString: toHexString\n  };\n\n  var inspectMp4,\n      _textifyMp,\n      toUnsigned$1 = bin.toUnsigned,\n      parseMp4Date = function parseMp4Date(seconds) {\n    return new Date(seconds * 1000 - 2082844800000);\n  },\n      parseSampleFlags = function parseSampleFlags(flags) {\n    return {\n      isLeading: (flags[0] & 0x0c) >>> 2,\n      dependsOn: flags[0] & 0x03,\n      isDependedOn: (flags[1] & 0xc0) >>> 6,\n      hasRedundancy: (flags[1] & 0x30) >>> 4,\n      paddingValue: (flags[1] & 0x0e) >>> 1,\n      isNonSyncSample: flags[1] & 0x01,\n      degradationPriority: flags[2] << 8 | flags[3]\n    };\n  },\n\n  /**\n   * Returns the string representation of an ASCII encoded four byte buffer.\n   * @param buffer {Uint8Array} a four-byte buffer to translate\n   * @return {string} the corresponding string\n   */\n  parseType = function parseType(buffer) {\n    var result = '';\n    result += String.fromCharCode(buffer[0]);\n    result += String.fromCharCode(buffer[1]);\n    result += String.fromCharCode(buffer[2]);\n    result += String.fromCharCode(buffer[3]);\n    return result;\n  },\n      // Find the data for a box specified by its path\n  findBox = function findBox(data, path) {\n    var results = [],\n        i,\n        size,\n        type,\n        end,\n        subresults;\n\n    if (!path.length) {\n      // short-circuit the search for empty paths\n      return null;\n    }\n\n    for (i = 0; i < data.byteLength;) {\n      size = toUnsigned$1(data[i] << 24 | data[i + 1] << 16 | data[i + 2] << 8 | data[i + 3]);\n      type = parseType(data.subarray(i + 4, i + 8));\n      end = size > 1 ? i + size : data.byteLength;\n\n      if (type === path[0]) {\n        if (path.length === 1) {\n          // this is the end of the path and we've found the box we were\n          // looking for\n          results.push(data.subarray(i + 8, end));\n        } else {\n          // recursively search for the next box along the path\n          subresults = findBox(data.subarray(i + 8, end), path.slice(1));\n\n          if (subresults.length) {\n            results = results.concat(subresults);\n          }\n        }\n      }\n\n      i = end;\n    } // we've finished searching all of data\n\n\n    return results;\n  },\n      nalParse = function nalParse(avcStream) {\n    var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),\n        result = [],\n        i,\n        length;\n\n    for (i = 0; i + 4 < avcStream.length; i += length) {\n      length = avcView.getUint32(i);\n      i += 4; // bail if this doesn't appear to be an H264 stream\n\n      if (length <= 0) {\n        result.push('<span style=\\'color:red;\\'>MALFORMED DATA</span>');\n        continue;\n      }\n\n      switch (avcStream[i] & 0x1F) {\n        case 0x01:\n          result.push('slice_layer_without_partitioning_rbsp');\n          break;\n\n        case 0x05:\n          result.push('slice_layer_without_partitioning_rbsp_idr');\n          break;\n\n        case 0x06:\n          result.push('sei_rbsp');\n          break;\n\n        case 0x07:\n          result.push('seq_parameter_set_rbsp');\n          break;\n\n        case 0x08:\n          result.push('pic_parameter_set_rbsp');\n          break;\n\n        case 0x09:\n          result.push('access_unit_delimiter_rbsp');\n          break;\n\n        default:\n          result.push('UNKNOWN NAL - ' + avcStream[i] & 0x1F);\n          break;\n      }\n    }\n\n    return result;\n  },\n      // registry of handlers for individual mp4 box types\n  parse$1 = {\n    // codingname, not a first-class box type. stsd entries share the\n    // same format as real boxes so the parsing infrastructure can be\n    // shared\n    avc1: function avc1(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        dataReferenceIndex: view.getUint16(6),\n        width: view.getUint16(24),\n        height: view.getUint16(26),\n        horizresolution: view.getUint16(28) + view.getUint16(30) / 16,\n        vertresolution: view.getUint16(32) + view.getUint16(34) / 16,\n        frameCount: view.getUint16(40),\n        depth: view.getUint16(74),\n        config: inspectMp4(data.subarray(78, data.byteLength))\n      };\n    },\n    avcC: function avcC(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        configurationVersion: data[0],\n        avcProfileIndication: data[1],\n        profileCompatibility: data[2],\n        avcLevelIndication: data[3],\n        lengthSizeMinusOne: data[4] & 0x03,\n        sps: [],\n        pps: []\n      },\n          numOfSequenceParameterSets = data[5] & 0x1f,\n          numOfPictureParameterSets,\n          nalSize,\n          offset,\n          i; // iterate past any SPSs\n\n      offset = 6;\n\n      for (i = 0; i < numOfSequenceParameterSets; i++) {\n        nalSize = view.getUint16(offset);\n        offset += 2;\n        result.sps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));\n        offset += nalSize;\n      } // iterate past any PPSs\n\n\n      numOfPictureParameterSets = data[offset];\n      offset++;\n\n      for (i = 0; i < numOfPictureParameterSets; i++) {\n        nalSize = view.getUint16(offset);\n        offset += 2;\n        result.pps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));\n        offset += nalSize;\n      }\n\n      return result;\n    },\n    btrt: function btrt(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        bufferSizeDB: view.getUint32(0),\n        maxBitrate: view.getUint32(4),\n        avgBitrate: view.getUint32(8)\n      };\n    },\n    esds: function esds(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        esId: data[6] << 8 | data[7],\n        streamPriority: data[8] & 0x1f,\n        decoderConfig: {\n          objectProfileIndication: data[11],\n          streamType: data[12] >>> 2 & 0x3f,\n          bufferSize: data[13] << 16 | data[14] << 8 | data[15],\n          maxBitrate: data[16] << 24 | data[17] << 16 | data[18] << 8 | data[19],\n          avgBitrate: data[20] << 24 | data[21] << 16 | data[22] << 8 | data[23],\n          decoderConfigDescriptor: {\n            tag: data[24],\n            length: data[25],\n            audioObjectType: data[26] >>> 3 & 0x1f,\n            samplingFrequencyIndex: (data[26] & 0x07) << 1 | data[27] >>> 7 & 0x01,\n            channelConfiguration: data[27] >>> 3 & 0x0f\n          }\n        }\n      };\n    },\n    ftyp: function ftyp(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        majorBrand: parseType(data.subarray(0, 4)),\n        minorVersion: view.getUint32(4),\n        compatibleBrands: []\n      },\n          i = 8;\n\n      while (i < data.byteLength) {\n        result.compatibleBrands.push(parseType(data.subarray(i, i + 4)));\n        i += 4;\n      }\n\n      return result;\n    },\n    dinf: function dinf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    dref: function dref(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        dataReferences: inspectMp4(data.subarray(8))\n      };\n    },\n    hdlr: function hdlr(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        handlerType: parseType(data.subarray(8, 12)),\n        name: ''\n      },\n          i = 8; // parse out the name field\n\n      for (i = 24; i < data.byteLength; i++) {\n        if (data[i] === 0x00) {\n          // the name field is null-terminated\n          i++;\n          break;\n        }\n\n        result.name += String.fromCharCode(data[i]);\n      } // decode UTF-8 to javascript's internal representation\n      // see http://ecmanaut.blogspot.com/2006/07/encoding-decoding-utf8-in-javascript.html\n\n\n      result.name = decodeURIComponent(escape(result.name));\n      return result;\n    },\n    mdat: function mdat(data) {\n      return {\n        byteLength: data.byteLength,\n        nals: nalParse(data)\n      };\n    },\n    mdhd: function mdhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          language,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        language: ''\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4; // language is stored as an ISO-639-2/T code in an array of three 5-bit fields\n      // each field is the packed difference between its ASCII value and 0x60\n\n      language = view.getUint16(i);\n      result.language += String.fromCharCode((language >> 10) + 0x60);\n      result.language += String.fromCharCode(((language & 0x03e0) >> 5) + 0x60);\n      result.language += String.fromCharCode((language & 0x1f) + 0x60);\n      return result;\n    },\n    mdia: function mdia(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mfhd: function mfhd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sequenceNumber: data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7]\n      };\n    },\n    minf: function minf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    // codingname, not a first-class box type. stsd entries share the\n    // same format as real boxes so the parsing infrastructure can be\n    // shared\n    mp4a: function mp4a(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        // 6 bytes reserved\n        dataReferenceIndex: view.getUint16(6),\n        // 4 + 4 bytes reserved\n        channelcount: view.getUint16(16),\n        samplesize: view.getUint16(18),\n        // 2 bytes pre_defined\n        // 2 bytes reserved\n        samplerate: view.getUint16(24) + view.getUint16(26) / 65536\n      }; // if there are more bytes to process, assume this is an ISO/IEC\n      // 14496-14 MP4AudioSampleEntry and parse the ESDBox\n\n      if (data.byteLength > 28) {\n        result.streamDescriptor = inspectMp4(data.subarray(28))[0];\n      }\n\n      return result;\n    },\n    moof: function moof(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    moov: function moov(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mvex: function mvex(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mvhd: function mvhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4; // convert fixed-point, base 16 back to a number\n\n      result.rate = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      i += 4;\n      result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;\n      i += 2;\n      i += 2;\n      i += 2 * 4;\n      result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));\n      i += 9 * 4;\n      i += 6 * 4;\n      result.nextTrackId = view.getUint32(i);\n      return result;\n    },\n    pdin: function pdin(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        rate: view.getUint32(4),\n        initialDelay: view.getUint32(8)\n      };\n    },\n    sdtp: function sdtp(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        samples: []\n      },\n          i;\n\n      for (i = 4; i < data.byteLength; i++) {\n        result.samples.push({\n          dependsOn: (data[i] & 0x30) >> 4,\n          isDependedOn: (data[i] & 0x0c) >> 2,\n          hasRedundancy: data[i] & 0x03\n        });\n      }\n\n      return result;\n    },\n    sidx: function sidx(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        references: [],\n        referenceId: view.getUint32(4),\n        timescale: view.getUint32(8),\n        earliestPresentationTime: view.getUint32(12),\n        firstOffset: view.getUint32(16)\n      },\n          referenceCount = view.getUint16(22),\n          i;\n\n      for (i = 24; referenceCount; i += 12, referenceCount--) {\n        result.references.push({\n          referenceType: (data[i] & 0x80) >>> 7,\n          referencedSize: view.getUint32(i) & 0x7FFFFFFF,\n          subsegmentDuration: view.getUint32(i + 4),\n          startsWithSap: !!(data[i + 8] & 0x80),\n          sapType: (data[i + 8] & 0x70) >>> 4,\n          sapDeltaTime: view.getUint32(i + 8) & 0x0FFFFFFF\n        });\n      }\n\n      return result;\n    },\n    smhd: function smhd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        balance: data[4] + data[5] / 256\n      };\n    },\n    stbl: function stbl(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    stco: function stco(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        chunkOffsets: []\n      },\n          entryCount = view.getUint32(4),\n          i;\n\n      for (i = 8; entryCount; i += 4, entryCount--) {\n        result.chunkOffsets.push(view.getUint32(i));\n      }\n\n      return result;\n    },\n    stsc: function stsc(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          entryCount = view.getUint32(4),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleToChunks: []\n      },\n          i;\n\n      for (i = 8; entryCount; i += 12, entryCount--) {\n        result.sampleToChunks.push({\n          firstChunk: view.getUint32(i),\n          samplesPerChunk: view.getUint32(i + 4),\n          sampleDescriptionIndex: view.getUint32(i + 8)\n        });\n      }\n\n      return result;\n    },\n    stsd: function stsd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleDescriptions: inspectMp4(data.subarray(8))\n      };\n    },\n    stsz: function stsz(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleSize: view.getUint32(4),\n        entries: []\n      },\n          i;\n\n      for (i = 12; i < data.byteLength; i += 4) {\n        result.entries.push(view.getUint32(i));\n      }\n\n      return result;\n    },\n    stts: function stts(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        timeToSamples: []\n      },\n          entryCount = view.getUint32(4),\n          i;\n\n      for (i = 8; entryCount; i += 8, entryCount--) {\n        result.timeToSamples.push({\n          sampleCount: view.getUint32(i),\n          sampleDelta: view.getUint32(i + 4)\n        });\n      }\n\n      return result;\n    },\n    styp: function styp(data) {\n      return parse$1.ftyp(data);\n    },\n    tfdt: function tfdt(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        baseMediaDecodeTime: toUnsigned$1(data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7])\n      };\n\n      if (result.version === 1) {\n        result.baseMediaDecodeTime *= Math.pow(2, 32);\n        result.baseMediaDecodeTime += toUnsigned$1(data[8] << 24 | data[9] << 16 | data[10] << 8 | data[11]);\n      }\n\n      return result;\n    },\n    tfhd: function tfhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        trackId: view.getUint32(4)\n      },\n          baseDataOffsetPresent = result.flags[2] & 0x01,\n          sampleDescriptionIndexPresent = result.flags[2] & 0x02,\n          defaultSampleDurationPresent = result.flags[2] & 0x08,\n          defaultSampleSizePresent = result.flags[2] & 0x10,\n          defaultSampleFlagsPresent = result.flags[2] & 0x20,\n          durationIsEmpty = result.flags[0] & 0x010000,\n          defaultBaseIsMoof = result.flags[0] & 0x020000,\n          i;\n      i = 8;\n\n      if (baseDataOffsetPresent) {\n        i += 4; // truncate top 4 bytes\n        // FIXME: should we read the full 64 bits?\n\n        result.baseDataOffset = view.getUint32(12);\n        i += 4;\n      }\n\n      if (sampleDescriptionIndexPresent) {\n        result.sampleDescriptionIndex = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleDurationPresent) {\n        result.defaultSampleDuration = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleSizePresent) {\n        result.defaultSampleSize = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleFlagsPresent) {\n        result.defaultSampleFlags = view.getUint32(i);\n      }\n\n      if (durationIsEmpty) {\n        result.durationIsEmpty = true;\n      }\n\n      if (!baseDataOffsetPresent && defaultBaseIsMoof) {\n        result.baseDataOffsetIsMoof = true;\n      }\n\n      return result;\n    },\n    tkhd: function tkhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.trackId = view.getUint32(i);\n        i += 4;\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.trackId = view.getUint32(i);\n        i += 4;\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4;\n      i += 2 * 4;\n      result.layer = view.getUint16(i);\n      i += 2;\n      result.alternateGroup = view.getUint16(i);\n      i += 2; // convert fixed-point, base 16 back to a number\n\n      result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;\n      i += 2;\n      i += 2;\n      result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));\n      i += 9 * 4;\n      result.width = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      i += 4;\n      result.height = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      return result;\n    },\n    traf: function traf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    trak: function trak(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    trex: function trex(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        trackId: view.getUint32(4),\n        defaultSampleDescriptionIndex: view.getUint32(8),\n        defaultSampleDuration: view.getUint32(12),\n        defaultSampleSize: view.getUint32(16),\n        sampleDependsOn: data[20] & 0x03,\n        sampleIsDependedOn: (data[21] & 0xc0) >> 6,\n        sampleHasRedundancy: (data[21] & 0x30) >> 4,\n        samplePaddingValue: (data[21] & 0x0e) >> 1,\n        sampleIsDifferenceSample: !!(data[21] & 0x01),\n        sampleDegradationPriority: view.getUint16(22)\n      };\n    },\n    trun: function trun(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        samples: []\n      },\n          view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          // Flag interpretation\n      dataOffsetPresent = result.flags[2] & 0x01,\n          // compare with 2nd byte of 0x1\n      firstSampleFlagsPresent = result.flags[2] & 0x04,\n          // compare with 2nd byte of 0x4\n      sampleDurationPresent = result.flags[1] & 0x01,\n          // compare with 2nd byte of 0x100\n      sampleSizePresent = result.flags[1] & 0x02,\n          // compare with 2nd byte of 0x200\n      sampleFlagsPresent = result.flags[1] & 0x04,\n          // compare with 2nd byte of 0x400\n      sampleCompositionTimeOffsetPresent = result.flags[1] & 0x08,\n          // compare with 2nd byte of 0x800\n      sampleCount = view.getUint32(4),\n          offset = 8,\n          sample;\n\n      if (dataOffsetPresent) {\n        // 32 bit signed integer\n        result.dataOffset = view.getInt32(offset);\n        offset += 4;\n      } // Overrides the flags for the first sample only. The order of\n      // optional values will be: duration, size, compositionTimeOffset\n\n\n      if (firstSampleFlagsPresent && sampleCount) {\n        sample = {\n          flags: parseSampleFlags(data.subarray(offset, offset + 4))\n        };\n        offset += 4;\n\n        if (sampleDurationPresent) {\n          sample.duration = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleSizePresent) {\n          sample.size = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleCompositionTimeOffsetPresent) {\n          // Note: this should be a signed int if version is 1\n          sample.compositionTimeOffset = view.getUint32(offset);\n          offset += 4;\n        }\n\n        result.samples.push(sample);\n        sampleCount--;\n      }\n\n      while (sampleCount--) {\n        sample = {};\n\n        if (sampleDurationPresent) {\n          sample.duration = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleSizePresent) {\n          sample.size = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleFlagsPresent) {\n          sample.flags = parseSampleFlags(data.subarray(offset, offset + 4));\n          offset += 4;\n        }\n\n        if (sampleCompositionTimeOffsetPresent) {\n          // Note: this should be a signed int if version is 1\n          sample.compositionTimeOffset = view.getUint32(offset);\n          offset += 4;\n        }\n\n        result.samples.push(sample);\n      }\n\n      return result;\n    },\n    'url ': function url(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n    },\n    vmhd: function vmhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        graphicsmode: view.getUint16(4),\n        opcolor: new Uint16Array([view.getUint16(6), view.getUint16(8), view.getUint16(10)])\n      };\n    }\n  };\n  /**\n   * Return a javascript array of box objects parsed from an ISO base\n   * media file.\n   * @param data {Uint8Array} the binary data of the media to be inspected\n   * @return {array} a javascript array of potentially nested box objects\n   */\n\n\n  inspectMp4 = function inspectMp4(data) {\n    var i = 0,\n        result = [],\n        view,\n        size,\n        type,\n        end,\n        box; // Convert data from Uint8Array to ArrayBuffer, to follow Dataview API\n\n    var ab = new ArrayBuffer(data.length);\n    var v = new Uint8Array(ab);\n\n    for (var z = 0; z < data.length; ++z) {\n      v[z] = data[z];\n    }\n\n    view = new DataView(ab);\n\n    while (i < data.byteLength) {\n      // parse box data\n      size = view.getUint32(i);\n      type = parseType(data.subarray(i + 4, i + 8));\n      end = size > 1 ? i + size : data.byteLength; // parse type-specific data\n\n      box = (parse$1[type] || function (data) {\n        return {\n          data: data\n        };\n      })(data.subarray(i + 8, end));\n\n      box.size = size;\n      box.type = type; // store this box and move to the next\n\n      result.push(box);\n      i = end;\n    }\n\n    return result;\n  };\n  /**\n   * Returns a textual representation of the javascript represtentation\n   * of an MP4 file. You can use it as an alternative to\n   * JSON.stringify() to compare inspected MP4s.\n   * @param inspectedMp4 {array} the parsed array of boxes in an MP4\n   * file\n   * @param depth {number} (optional) the number of ancestor boxes of\n   * the elements of inspectedMp4. Assumed to be zero if unspecified.\n   * @return {string} a text representation of the parsed MP4\n   */\n\n\n  _textifyMp = function textifyMp4(inspectedMp4, depth) {\n    var indent;\n    depth = depth || 0;\n    indent = new Array(depth * 2 + 1).join(' '); // iterate over all the boxes\n\n    return inspectedMp4.map(function (box, index) {\n      // list the box type first at the current indentation level\n      return indent + box.type + '\\n' + // the type is already included and handle child boxes separately\n      Object.keys(box).filter(function (key) {\n        return key !== 'type' && key !== 'boxes'; // output all the box properties\n      }).map(function (key) {\n        var prefix = indent + '  ' + key + ': ',\n            value = box[key]; // print out raw bytes as hexademical\n\n        if (value instanceof Uint8Array || value instanceof Uint32Array) {\n          var bytes = Array.prototype.slice.call(new Uint8Array(value.buffer, value.byteOffset, value.byteLength)).map(function (_byte) {\n            return ' ' + ('00' + _byte.toString(16)).slice(-2);\n          }).join('').match(/.{1,24}/g);\n\n          if (!bytes) {\n            return prefix + '<>';\n          }\n\n          if (bytes.length === 1) {\n            return prefix + '<' + bytes.join('').slice(1) + '>';\n          }\n\n          return prefix + '<\\n' + bytes.map(function (line) {\n            return indent + '  ' + line;\n          }).join('\\n') + '\\n' + indent + '  >';\n        } // stringify generic objects\n\n\n        return prefix + JSON.stringify(value, null, 2).split('\\n').map(function (line, index) {\n          if (index === 0) {\n            return line;\n          }\n\n          return indent + '  ' + line;\n        }).join('\\n');\n      }).join('\\n') + ( // recursively textify the child boxes\n      box.boxes ? '\\n' + _textifyMp(box.boxes, depth + 1) : '');\n    }).join('\\n');\n  };\n\n  var mp4Inspector = {\n    inspect: inspectMp4,\n    textify: _textifyMp,\n    parseType: parseType,\n    findBox: findBox,\n    parseTraf: parse$1.traf,\n    parseTfdt: parse$1.tfdt,\n    parseHdlr: parse$1.hdlr,\n    parseTfhd: parse$1.tfhd,\n    parseTrun: parse$1.trun,\n    parseSidx: parse$1.sidx\n  };\n\n  var toUnsigned$2 = bin.toUnsigned;\n  var toHexString$1 = bin.toHexString;\n  var timescale, startTime, compositionStartTime, getVideoTrackIds, getTracks;\n  /**\n   * Parses an MP4 initialization segment and extracts the timescale\n   * values for any declared tracks. Timescale values indicate the\n   * number of clock ticks per second to assume for time-based values\n   * elsewhere in the MP4.\n   *\n   * To determine the start time of an MP4, you need two pieces of\n   * information: the timescale unit and the earliest base media decode\n   * time. Multiple timescales can be specified within an MP4 but the\n   * base media decode time is always expressed in the timescale from\n   * the media header box for the track:\n   * ```\n   * moov > trak > mdia > mdhd.timescale\n   * ```\n   * @param init {Uint8Array} the bytes of the init segment\n   * @return {object} a hash of track ids to timescale values or null if\n   * the init segment is malformed.\n   */\n\n  timescale = function timescale(init) {\n    var result = {},\n        traks = mp4Inspector.findBox(init, ['moov', 'trak']); // mdhd timescale\n\n    return traks.reduce(function (result, trak) {\n      var tkhd, version, index, id, mdhd;\n      tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];\n\n      if (!tkhd) {\n        return null;\n      }\n\n      version = tkhd[0];\n      index = version === 0 ? 12 : 20;\n      id = toUnsigned$2(tkhd[index] << 24 | tkhd[index + 1] << 16 | tkhd[index + 2] << 8 | tkhd[index + 3]);\n      mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];\n\n      if (!mdhd) {\n        return null;\n      }\n\n      version = mdhd[0];\n      index = version === 0 ? 12 : 20;\n      result[id] = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);\n      return result;\n    }, result);\n  };\n  /**\n   * Determine the base media decode start time, in seconds, for an MP4\n   * fragment. If multiple fragments are specified, the earliest time is\n   * returned.\n   *\n   * The base media decode time can be parsed from track fragment\n   * metadata:\n   * ```\n   * moof > traf > tfdt.baseMediaDecodeTime\n   * ```\n   * It requires the timescale value from the mdhd to interpret.\n   *\n   * @param timescale {object} a hash of track ids to timescale values.\n   * @return {number} the earliest base media decode start time for the\n   * fragment, in seconds\n   */\n\n\n  startTime = function startTime(timescale, fragment) {\n    var trafs, baseTimes, result; // we need info from two childrend of each track fragment box\n\n    trafs = mp4Inspector.findBox(fragment, ['moof', 'traf']); // determine the start times for each track\n\n    baseTimes = [].concat.apply([], trafs.map(function (traf) {\n      return mp4Inspector.findBox(traf, ['tfhd']).map(function (tfhd) {\n        var id, scale, baseTime; // get the track id from the tfhd\n\n        id = toUnsigned$2(tfhd[4] << 24 | tfhd[5] << 16 | tfhd[6] << 8 | tfhd[7]); // assume a 90kHz clock if no timescale was specified\n\n        scale = timescale[id] || 90e3; // get the base media decode time from the tfdt\n\n        baseTime = mp4Inspector.findBox(traf, ['tfdt']).map(function (tfdt) {\n          var version, result;\n          version = tfdt[0];\n          result = toUnsigned$2(tfdt[4] << 24 | tfdt[5] << 16 | tfdt[6] << 8 | tfdt[7]);\n\n          if (version === 1) {\n            result *= Math.pow(2, 32);\n            result += toUnsigned$2(tfdt[8] << 24 | tfdt[9] << 16 | tfdt[10] << 8 | tfdt[11]);\n          }\n\n          return result;\n        })[0];\n        baseTime = baseTime || Infinity; // convert base time to seconds\n\n        return baseTime / scale;\n      });\n    })); // return the minimum\n\n    result = Math.min.apply(null, baseTimes);\n    return isFinite(result) ? result : 0;\n  };\n  /**\n   * Determine the composition start, in seconds, for an MP4\n   * fragment.\n   *\n   * The composition start time of a fragment can be calculated using the base\n   * media decode time, composition time offset, and timescale, as follows:\n   *\n   * compositionStartTime = (baseMediaDecodeTime + compositionTimeOffset) / timescale\n   *\n   * All of the aforementioned information is contained within a media fragment's\n   * `traf` box, except for timescale info, which comes from the initialization\n   * segment, so a track id (also contained within a `traf`) is also necessary to\n   * associate it with a timescale\n   *\n   *\n   * @param timescales {object} - a hash of track ids to timescale values.\n   * @param fragment {Unit8Array} - the bytes of a media segment\n   * @return {number} the composition start time for the fragment, in seconds\n   **/\n\n\n  compositionStartTime = function compositionStartTime(timescales, fragment) {\n    var trafBoxes = mp4Inspector.findBox(fragment, ['moof', 'traf']);\n    var baseMediaDecodeTime = 0;\n    var compositionTimeOffset = 0;\n    var trackId;\n\n    if (trafBoxes && trafBoxes.length) {\n      // The spec states that track run samples contained within a `traf` box are contiguous, but\n      // it does not explicitly state whether the `traf` boxes themselves are contiguous.\n      // We will assume that they are, so we only need the first to calculate start time.\n      var parsedTraf = mp4Inspector.parseTraf(trafBoxes[0]);\n\n      for (var i = 0; i < parsedTraf.boxes.length; i++) {\n        if (parsedTraf.boxes[i].type === 'tfhd') {\n          trackId = parsedTraf.boxes[i].trackId;\n        } else if (parsedTraf.boxes[i].type === 'tfdt') {\n          baseMediaDecodeTime = parsedTraf.boxes[i].baseMediaDecodeTime;\n        } else if (parsedTraf.boxes[i].type === 'trun' && parsedTraf.boxes[i].samples.length) {\n          compositionTimeOffset = parsedTraf.boxes[i].samples[0].compositionTimeOffset || 0;\n        }\n      }\n    } // Get timescale for this specific track. Assume a 90kHz clock if no timescale was\n    // specified.\n\n\n    var timescale = timescales[trackId] || 90e3; // return the composition start time, in seconds\n\n    return (baseMediaDecodeTime + compositionTimeOffset) / timescale;\n  };\n  /**\n    * Find the trackIds of the video tracks in this source.\n    * Found by parsing the Handler Reference and Track Header Boxes:\n    *   moov > trak > mdia > hdlr\n    *   moov > trak > tkhd\n    *\n    * @param {Uint8Array} init - The bytes of the init segment for this source\n    * @return {Number[]} A list of trackIds\n    *\n    * @see ISO-BMFF-12/2015, Section 8.4.3\n   **/\n\n\n  getVideoTrackIds = function getVideoTrackIds(init) {\n    var traks = mp4Inspector.findBox(init, ['moov', 'trak']);\n    var videoTrackIds = [];\n    traks.forEach(function (trak) {\n      var hdlrs = mp4Inspector.findBox(trak, ['mdia', 'hdlr']);\n      var tkhds = mp4Inspector.findBox(trak, ['tkhd']);\n      hdlrs.forEach(function (hdlr, index) {\n        var handlerType = mp4Inspector.parseType(hdlr.subarray(8, 12));\n        var tkhd = tkhds[index];\n        var view;\n        var version;\n        var trackId;\n\n        if (handlerType === 'vide') {\n          view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);\n          version = view.getUint8(0);\n          trackId = version === 0 ? view.getUint32(12) : view.getUint32(20);\n          videoTrackIds.push(trackId);\n        }\n      });\n    });\n    return videoTrackIds;\n  };\n  /**\n   * Get all the video, audio, and hint tracks from a non fragmented\n   * mp4 segment\n   */\n\n\n  getTracks = function getTracks(init) {\n    var traks = mp4Inspector.findBox(init, ['moov', 'trak']);\n    var tracks = [];\n    traks.forEach(function (trak) {\n      var track = {};\n      var tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];\n      var view, version; // id\n\n      if (tkhd) {\n        view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);\n        version = view.getUint8(0);\n        track.id = version === 0 ? view.getUint32(12) : view.getUint32(20);\n      }\n\n      var hdlr = mp4Inspector.findBox(trak, ['mdia', 'hdlr'])[0]; // type\n\n      if (hdlr) {\n        var type = mp4Inspector.parseType(hdlr.subarray(8, 12));\n\n        if (type === 'vide') {\n          track.type = 'video';\n        } else if (type === 'soun') {\n          track.type = 'audio';\n        } else {\n          track.type = type;\n        }\n      } // codec\n\n\n      var stsd = mp4Inspector.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd'])[0];\n\n      if (stsd) {\n        var sampleDescriptions = stsd.subarray(8); // gives the codec type string\n\n        track.codec = mp4Inspector.parseType(sampleDescriptions.subarray(4, 8));\n        var codecBox = mp4Inspector.findBox(sampleDescriptions, [track.codec])[0];\n        var codecConfig, codecConfigType;\n\n        if (codecBox) {\n          // https://tools.ietf.org/html/rfc6381#section-3.3\n          if (/^[a-z]vc[1-9]$/i.test(track.codec)) {\n            // we don't need anything but the \"config\" parameter of the\n            // avc1 codecBox\n            codecConfig = codecBox.subarray(78);\n            codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));\n\n            if (codecConfigType === 'avcC' && codecConfig.length > 11) {\n              track.codec += '.'; // left padded with zeroes for single digit hex\n              // profile idc\n\n              track.codec += toHexString$1(codecConfig[9]); // the byte containing the constraint_set flags\n\n              track.codec += toHexString$1(codecConfig[10]); // level idc\n\n              track.codec += toHexString$1(codecConfig[11]);\n            } else {\n              // TODO: show a warning that we couldn't parse the codec\n              // and are using the default\n              track.codec = 'avc1.4d400d';\n            }\n          } else if (/^mp4[a,v]$/i.test(track.codec)) {\n            // we do not need anything but the streamDescriptor of the mp4a codecBox\n            codecConfig = codecBox.subarray(28);\n            codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));\n\n            if (codecConfigType === 'esds' && codecConfig.length > 20 && codecConfig[19] !== 0) {\n              track.codec += '.' + toHexString$1(codecConfig[19]); // this value is only a single digit\n\n              track.codec += '.' + toHexString$1(codecConfig[20] >>> 2 & 0x3f).replace(/^0/, '');\n            } else {\n              // TODO: show a warning that we couldn't parse the codec\n              // and are using the default\n              track.codec = 'mp4a.40.2';\n            }\n          }\n        }\n      }\n\n      var mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];\n\n      if (mdhd && tkhd) {\n        var index = version === 0 ? 12 : 20;\n        track.timescale = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);\n      }\n\n      tracks.push(track);\n    });\n    return tracks;\n  };\n\n  var probe = {\n    // export mp4 inspector's findBox and parseType for backwards compatibility\n    findBox: mp4Inspector.findBox,\n    parseType: mp4Inspector.parseType,\n    timescale: timescale,\n    startTime: startTime,\n    compositionStartTime: compositionStartTime,\n    videoTrackIds: getVideoTrackIds,\n    tracks: getTracks\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * Reads in-band caption information from a video elementary\n   * stream. Captions must follow the CEA-708 standard for injection\n   * into an MPEG-2 transport streams.\n   * @see https://en.wikipedia.org/wiki/CEA-708\n   * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf\n   */\n  // payload type field to indicate how they are to be\n  // interpreted. CEAS-708 caption content is always transmitted with\n  // payload type 0x04.\n\n  var USER_DATA_REGISTERED_ITU_T_T35 = 4,\n      RBSP_TRAILING_BITS = 128;\n  /**\n    * Parse a supplemental enhancement information (SEI) NAL unit.\n    * Stops parsing once a message of type ITU T T35 has been found.\n    *\n    * @param bytes {Uint8Array} the bytes of a SEI NAL unit\n    * @return {object} the parsed SEI payload\n    * @see Rec. ITU-T H.264, 7.3.2.3.1\n    */\n\n  var parseSei = function parseSei(bytes) {\n    var i = 0,\n        result = {\n      payloadType: -1,\n      payloadSize: 0\n    },\n        payloadType = 0,\n        payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message\n\n    while (i < bytes.byteLength) {\n      // stop once we have hit the end of the sei_rbsp\n      if (bytes[i] === RBSP_TRAILING_BITS) {\n        break;\n      } // Parse payload type\n\n\n      while (bytes[i] === 0xFF) {\n        payloadType += 255;\n        i++;\n      }\n\n      payloadType += bytes[i++]; // Parse payload size\n\n      while (bytes[i] === 0xFF) {\n        payloadSize += 255;\n        i++;\n      }\n\n      payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break\n      // there can only ever be one caption message in a frame's sei\n\n      if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {\n        result.payloadType = payloadType;\n        result.payloadSize = payloadSize;\n        result.payload = bytes.subarray(i, i + payloadSize);\n        break;\n      } // skip the payload and parse the next message\n\n\n      i += payloadSize;\n      payloadType = 0;\n      payloadSize = 0;\n    }\n\n    return result;\n  }; // see ANSI/SCTE 128-1 (2013), section 8.1\n\n\n  var parseUserData = function parseUserData(sei) {\n    // itu_t_t35_contry_code must be 181 (United States) for\n    // captions\n    if (sei.payload[0] !== 181) {\n      return null;\n    } // itu_t_t35_provider_code should be 49 (ATSC) for captions\n\n\n    if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {\n      return null;\n    } // the user_identifier should be \"GA94\" to indicate ATSC1 data\n\n\n    if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {\n      return null;\n    } // finally, user_data_type_code should be 0x03 for caption data\n\n\n    if (sei.payload[7] !== 0x03) {\n      return null;\n    } // return the user_data_type_structure and strip the trailing\n    // marker bits\n\n\n    return sei.payload.subarray(8, sei.payload.length - 1);\n  }; // see CEA-708-D, section 4.4\n\n\n  var parseCaptionPackets = function parseCaptionPackets(pts, userData) {\n    var results = [],\n        i,\n        count,\n        offset,\n        data; // if this is just filler, return immediately\n\n    if (!(userData[0] & 0x40)) {\n      return results;\n    } // parse out the cc_data_1 and cc_data_2 fields\n\n\n    count = userData[0] & 0x1f;\n\n    for (i = 0; i < count; i++) {\n      offset = i * 3;\n      data = {\n        type: userData[offset + 2] & 0x03,\n        pts: pts\n      }; // capture cc data when cc_valid is 1\n\n      if (userData[offset + 2] & 0x04) {\n        data.ccData = userData[offset + 3] << 8 | userData[offset + 4];\n        results.push(data);\n      }\n    }\n\n    return results;\n  };\n\n  var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n    var length = data.byteLength,\n        emulationPreventionBytesPositions = [],\n        i = 1,\n        newLength,\n        newData; // Find all `Emulation Prevention Bytes`\n\n    while (i < length - 2) {\n      if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n        emulationPreventionBytesPositions.push(i + 2);\n        i += 2;\n      } else {\n        i++;\n      }\n    } // If no Emulation Prevention Bytes were found just return the original\n    // array\n\n\n    if (emulationPreventionBytesPositions.length === 0) {\n      return data;\n    } // Create a new array to hold the NAL unit data\n\n\n    newLength = length - emulationPreventionBytesPositions.length;\n    newData = new Uint8Array(newLength);\n    var sourceIndex = 0;\n\n    for (i = 0; i < newLength; sourceIndex++, i++) {\n      if (sourceIndex === emulationPreventionBytesPositions[0]) {\n        // Skip this byte\n        sourceIndex++; // Remove this position index\n\n        emulationPreventionBytesPositions.shift();\n      }\n\n      newData[i] = data[sourceIndex];\n    }\n\n    return newData;\n  }; // exports\n\n\n  var captionPacketParser = {\n    parseSei: parseSei,\n    parseUserData: parseUserData,\n    parseCaptionPackets: parseCaptionPackets,\n    discardEmulationPreventionBytes: discardEmulationPreventionBytes,\n    USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * A lightweight readable stream implemention that handles event dispatching.\n   * Objects that inherit from streams should call init in their constructors.\n   */\n\n  var Stream$1 = function Stream() {\n    this.init = function () {\n      var listeners = {};\n      /**\n       * Add a listener for a specified event type.\n       * @param type {string} the event name\n       * @param listener {function} the callback to be invoked when an event of\n       * the specified type occurs\n       */\n\n      this.on = function (type, listener) {\n        if (!listeners[type]) {\n          listeners[type] = [];\n        }\n\n        listeners[type] = listeners[type].concat(listener);\n      };\n      /**\n       * Remove a listener for a specified event type.\n       * @param type {string} the event name\n       * @param listener {function} a function previously registered for this\n       * type of event through `on`\n       */\n\n\n      this.off = function (type, listener) {\n        var index;\n\n        if (!listeners[type]) {\n          return false;\n        }\n\n        index = listeners[type].indexOf(listener);\n        listeners[type] = listeners[type].slice();\n        listeners[type].splice(index, 1);\n        return index > -1;\n      };\n      /**\n       * Trigger an event of the specified type on this stream. Any additional\n       * arguments to this function are passed as parameters to event listeners.\n       * @param type {string} the event name\n       */\n\n\n      this.trigger = function (type) {\n        var callbacks, i, length, args;\n        callbacks = listeners[type];\n\n        if (!callbacks) {\n          return;\n        } // Slicing the arguments on every invocation of this method\n        // can add a significant amount of overhead. Avoid the\n        // intermediate object creation for the common case of a\n        // single callback argument\n\n\n        if (arguments.length === 2) {\n          length = callbacks.length;\n\n          for (i = 0; i < length; ++i) {\n            callbacks[i].call(this, arguments[1]);\n          }\n        } else {\n          args = [];\n          i = arguments.length;\n\n          for (i = 1; i < arguments.length; ++i) {\n            args.push(arguments[i]);\n          }\n\n          length = callbacks.length;\n\n          for (i = 0; i < length; ++i) {\n            callbacks[i].apply(this, args);\n          }\n        }\n      };\n      /**\n       * Destroys the stream and cleans up.\n       */\n\n\n      this.dispose = function () {\n        listeners = {};\n      };\n    };\n  };\n  /**\n   * Forwards all `data` events on this stream to the destination stream. The\n   * destination stream should provide a method `push` to receive the data\n   * events as they arrive.\n   * @param destination {stream} the stream that will receive all `data` events\n   * @param autoFlush {boolean} if false, we will not call `flush` on the destination\n   *                            when the current stream emits a 'done' event\n   * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n   */\n\n\n  Stream$1.prototype.pipe = function (destination) {\n    this.on('data', function (data) {\n      destination.push(data);\n    });\n    this.on('done', function (flushSource) {\n      destination.flush(flushSource);\n    });\n    this.on('partialdone', function (flushSource) {\n      destination.partialFlush(flushSource);\n    });\n    this.on('endedtimeline', function (flushSource) {\n      destination.endTimeline(flushSource);\n    });\n    this.on('reset', function (flushSource) {\n      destination.reset(flushSource);\n    });\n    return destination;\n  }; // Default stream functions that are expected to be overridden to perform\n  // actual work. These are provided by the prototype as a sort of no-op\n  // implementation so that we don't have to check for their existence in the\n  // `pipe` function above.\n\n\n  Stream$1.prototype.push = function (data) {\n    this.trigger('data', data);\n  };\n\n  Stream$1.prototype.flush = function (flushSource) {\n    this.trigger('done', flushSource);\n  };\n\n  Stream$1.prototype.partialFlush = function (flushSource) {\n    this.trigger('partialdone', flushSource);\n  };\n\n  Stream$1.prototype.endTimeline = function (flushSource) {\n    this.trigger('endedtimeline', flushSource);\n  };\n\n  Stream$1.prototype.reset = function (flushSource) {\n    this.trigger('reset', flushSource);\n  };\n\n  var stream = Stream$1;\n\n  // Link To Transport\n  // -----------------\n\n\n  var CaptionStream = function CaptionStream() {\n    CaptionStream.prototype.init.call(this);\n    this.captionPackets_ = [];\n    this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define\n    new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define\n    new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define\n    new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define\n    ];\n    this.reset(); // forward data and done events from CCs to this CaptionStream\n\n    this.ccStreams_.forEach(function (cc) {\n      cc.on('data', this.trigger.bind(this, 'data'));\n      cc.on('partialdone', this.trigger.bind(this, 'partialdone'));\n      cc.on('done', this.trigger.bind(this, 'done'));\n    }, this);\n  };\n\n  CaptionStream.prototype = new stream();\n\n  CaptionStream.prototype.push = function (event) {\n    var sei, userData, newCaptionPackets; // only examine SEI NALs\n\n    if (event.nalUnitType !== 'sei_rbsp') {\n      return;\n    } // parse the sei\n\n\n    sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35\n\n    if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {\n      return;\n    } // parse out the user data payload\n\n\n    userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData\n\n    if (!userData) {\n      return;\n    } // Sometimes, the same segment # will be downloaded twice. To stop the\n    // caption data from being processed twice, we track the latest dts we've\n    // received and ignore everything with a dts before that. However, since\n    // data for a specific dts can be split across packets on either side of\n    // a segment boundary, we need to make sure we *don't* ignore the packets\n    // from the *next* segment that have dts === this.latestDts_. By constantly\n    // tracking the number of packets received with dts === this.latestDts_, we\n    // know how many should be ignored once we start receiving duplicates.\n\n\n    if (event.dts < this.latestDts_) {\n      // We've started getting older data, so set the flag.\n      this.ignoreNextEqualDts_ = true;\n      return;\n    } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {\n      this.numSameDts_--;\n\n      if (!this.numSameDts_) {\n        // We've received the last duplicate packet, time to start processing again\n        this.ignoreNextEqualDts_ = false;\n      }\n\n      return;\n    } // parse out CC data packets and save them for later\n\n\n    newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);\n    this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);\n\n    if (this.latestDts_ !== event.dts) {\n      this.numSameDts_ = 0;\n    }\n\n    this.numSameDts_++;\n    this.latestDts_ = event.dts;\n  };\n\n  CaptionStream.prototype.flushCCStreams = function (flushType) {\n    this.ccStreams_.forEach(function (cc) {\n      return flushType === 'flush' ? cc.flush() : cc.partialFlush();\n    }, this);\n  };\n\n  CaptionStream.prototype.flushStream = function (flushType) {\n    // make sure we actually parsed captions before proceeding\n    if (!this.captionPackets_.length) {\n      this.flushCCStreams(flushType);\n      return;\n    } // In Chrome, the Array#sort function is not stable so add a\n    // presortIndex that we can use to ensure we get a stable-sort\n\n\n    this.captionPackets_.forEach(function (elem, idx) {\n      elem.presortIndex = idx;\n    }); // sort caption byte-pairs based on their PTS values\n\n    this.captionPackets_.sort(function (a, b) {\n      if (a.pts === b.pts) {\n        return a.presortIndex - b.presortIndex;\n      }\n\n      return a.pts - b.pts;\n    });\n    this.captionPackets_.forEach(function (packet) {\n      if (packet.type < 2) {\n        // Dispatch packet to the right Cea608Stream\n        this.dispatchCea608Packet(packet);\n      } // this is where an 'else' would go for a dispatching packets\n      // to a theoretical Cea708Stream that handles SERVICEn data\n\n    }, this);\n    this.captionPackets_.length = 0;\n    this.flushCCStreams(flushType);\n  };\n\n  CaptionStream.prototype.flush = function () {\n    return this.flushStream('flush');\n  }; // Only called if handling partial data\n\n\n  CaptionStream.prototype.partialFlush = function () {\n    return this.flushStream('partialFlush');\n  };\n\n  CaptionStream.prototype.reset = function () {\n    this.latestDts_ = null;\n    this.ignoreNextEqualDts_ = false;\n    this.numSameDts_ = 0;\n    this.activeCea608Channel_ = [null, null];\n    this.ccStreams_.forEach(function (ccStream) {\n      ccStream.reset();\n    });\n  }; // From the CEA-608 spec:\n\n  /*\n   * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed\n   * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is\n   * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair\n   * and subsequent data should then be processed according to the FCC rules. It may be necessary for the\n   * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)\n   * to switch to captioning or Text.\n  */\n  // With that in mind, we ignore any data between an XDS control code and a\n  // subsequent closed-captioning control code.\n\n\n  CaptionStream.prototype.dispatchCea608Packet = function (packet) {\n    // NOTE: packet.type is the CEA608 field\n    if (this.setsTextOrXDSActive(packet)) {\n      this.activeCea608Channel_[packet.type] = null;\n    } else if (this.setsChannel1Active(packet)) {\n      this.activeCea608Channel_[packet.type] = 0;\n    } else if (this.setsChannel2Active(packet)) {\n      this.activeCea608Channel_[packet.type] = 1;\n    }\n\n    if (this.activeCea608Channel_[packet.type] === null) {\n      // If we haven't received anything to set the active channel, or the\n      // packets are Text/XDS data, discard the data; we don't want jumbled\n      // captions\n      return;\n    }\n\n    this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);\n  };\n\n  CaptionStream.prototype.setsChannel1Active = function (packet) {\n    return (packet.ccData & 0x7800) === 0x1000;\n  };\n\n  CaptionStream.prototype.setsChannel2Active = function (packet) {\n    return (packet.ccData & 0x7800) === 0x1800;\n  };\n\n  CaptionStream.prototype.setsTextOrXDSActive = function (packet) {\n    return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;\n  }; // ----------------------\n  // Session to Application\n  // ----------------------\n  // This hash maps non-ASCII, special, and extended character codes to their\n  // proper Unicode equivalent. The first keys that are only a single byte\n  // are the non-standard ASCII characters, which simply map the CEA608 byte\n  // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608\n  // character codes, but have their MSB bitmasked with 0x03 so that a lookup\n  // can be performed regardless of the field and data channel on which the\n  // character code was received.\n\n\n  var CHARACTER_TRANSLATION = {\n    0x2a: 0xe1,\n    // á\n    0x5c: 0xe9,\n    // é\n    0x5e: 0xed,\n    // í\n    0x5f: 0xf3,\n    // ó\n    0x60: 0xfa,\n    // ú\n    0x7b: 0xe7,\n    // ç\n    0x7c: 0xf7,\n    // ÷\n    0x7d: 0xd1,\n    // Ñ\n    0x7e: 0xf1,\n    // ñ\n    0x7f: 0x2588,\n    // █\n    0x0130: 0xae,\n    // ®\n    0x0131: 0xb0,\n    // °\n    0x0132: 0xbd,\n    // ½\n    0x0133: 0xbf,\n    // ¿\n    0x0134: 0x2122,\n    // ™\n    0x0135: 0xa2,\n    // ¢\n    0x0136: 0xa3,\n    // £\n    0x0137: 0x266a,\n    // ♪\n    0x0138: 0xe0,\n    // à\n    0x0139: 0xa0,\n    //\n    0x013a: 0xe8,\n    // è\n    0x013b: 0xe2,\n    // â\n    0x013c: 0xea,\n    // ê\n    0x013d: 0xee,\n    // î\n    0x013e: 0xf4,\n    // ô\n    0x013f: 0xfb,\n    // û\n    0x0220: 0xc1,\n    // Á\n    0x0221: 0xc9,\n    // É\n    0x0222: 0xd3,\n    // Ó\n    0x0223: 0xda,\n    // Ú\n    0x0224: 0xdc,\n    // Ü\n    0x0225: 0xfc,\n    // ü\n    0x0226: 0x2018,\n    // ‘\n    0x0227: 0xa1,\n    // ¡\n    0x0228: 0x2a,\n    // *\n    0x0229: 0x27,\n    // '\n    0x022a: 0x2014,\n    // —\n    0x022b: 0xa9,\n    // ©\n    0x022c: 0x2120,\n    // ℠\n    0x022d: 0x2022,\n    // •\n    0x022e: 0x201c,\n    // “\n    0x022f: 0x201d,\n    // ”\n    0x0230: 0xc0,\n    // À\n    0x0231: 0xc2,\n    // Â\n    0x0232: 0xc7,\n    // Ç\n    0x0233: 0xc8,\n    // È\n    0x0234: 0xca,\n    // Ê\n    0x0235: 0xcb,\n    // Ë\n    0x0236: 0xeb,\n    // ë\n    0x0237: 0xce,\n    // Î\n    0x0238: 0xcf,\n    // Ï\n    0x0239: 0xef,\n    // ï\n    0x023a: 0xd4,\n    // Ô\n    0x023b: 0xd9,\n    // Ù\n    0x023c: 0xf9,\n    // ù\n    0x023d: 0xdb,\n    // Û\n    0x023e: 0xab,\n    // «\n    0x023f: 0xbb,\n    // »\n    0x0320: 0xc3,\n    // Ã\n    0x0321: 0xe3,\n    // ã\n    0x0322: 0xcd,\n    // Í\n    0x0323: 0xcc,\n    // Ì\n    0x0324: 0xec,\n    // ì\n    0x0325: 0xd2,\n    // Ò\n    0x0326: 0xf2,\n    // ò\n    0x0327: 0xd5,\n    // Õ\n    0x0328: 0xf5,\n    // õ\n    0x0329: 0x7b,\n    // {\n    0x032a: 0x7d,\n    // }\n    0x032b: 0x5c,\n    // \\\n    0x032c: 0x5e,\n    // ^\n    0x032d: 0x5f,\n    // _\n    0x032e: 0x7c,\n    // |\n    0x032f: 0x7e,\n    // ~\n    0x0330: 0xc4,\n    // Ä\n    0x0331: 0xe4,\n    // ä\n    0x0332: 0xd6,\n    // Ö\n    0x0333: 0xf6,\n    // ö\n    0x0334: 0xdf,\n    // ß\n    0x0335: 0xa5,\n    // ¥\n    0x0336: 0xa4,\n    // ¤\n    0x0337: 0x2502,\n    // │\n    0x0338: 0xc5,\n    // Å\n    0x0339: 0xe5,\n    // å\n    0x033a: 0xd8,\n    // Ø\n    0x033b: 0xf8,\n    // ø\n    0x033c: 0x250c,\n    // ┌\n    0x033d: 0x2510,\n    // ┐\n    0x033e: 0x2514,\n    // └\n    0x033f: 0x2518 // ┘\n\n  };\n\n  var getCharFromCode = function getCharFromCode(code) {\n    if (code === null) {\n      return '';\n    }\n\n    code = CHARACTER_TRANSLATION[code] || code;\n    return String.fromCharCode(code);\n  }; // the index of the last row in a CEA-608 display buffer\n\n\n  var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of\n  // getting it through bit logic.\n\n  var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character\n  // cells. The \"bottom\" row is the last element in the outer array.\n\n  var createDisplayBuffer = function createDisplayBuffer() {\n    var result = [],\n        i = BOTTOM_ROW + 1;\n\n    while (i--) {\n      result.push('');\n    }\n\n    return result;\n  };\n\n  var Cea608Stream = function Cea608Stream(field, dataChannel) {\n    Cea608Stream.prototype.init.call(this);\n    this.field_ = field || 0;\n    this.dataChannel_ = dataChannel || 0;\n    this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);\n    this.setConstants();\n    this.reset();\n\n    this.push = function (packet) {\n      var data, swap, char0, char1, text; // remove the parity bits\n\n      data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice\n\n      if (data === this.lastControlCode_) {\n        this.lastControlCode_ = null;\n        return;\n      } // Store control codes\n\n\n      if ((data & 0xf000) === 0x1000) {\n        this.lastControlCode_ = data;\n      } else if (data !== this.PADDING_) {\n        this.lastControlCode_ = null;\n      }\n\n      char0 = data >>> 8;\n      char1 = data & 0xff;\n\n      if (data === this.PADDING_) {\n        return;\n      } else if (data === this.RESUME_CAPTION_LOADING_) {\n        this.mode_ = 'popOn';\n      } else if (data === this.END_OF_CAPTION_) {\n        // If an EOC is received while in paint-on mode, the displayed caption\n        // text should be swapped to non-displayed memory as if it was a pop-on\n        // caption. Because of that, we should explicitly switch back to pop-on\n        // mode\n        this.mode_ = 'popOn';\n        this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now\n\n        this.flushDisplayed(packet.pts); // flip memory\n\n        swap = this.displayed_;\n        this.displayed_ = this.nonDisplayed_;\n        this.nonDisplayed_ = swap; // start measuring the time to display the caption\n\n        this.startPts_ = packet.pts;\n      } else if (data === this.ROLL_UP_2_ROWS_) {\n        this.rollUpRows_ = 2;\n        this.setRollUp(packet.pts);\n      } else if (data === this.ROLL_UP_3_ROWS_) {\n        this.rollUpRows_ = 3;\n        this.setRollUp(packet.pts);\n      } else if (data === this.ROLL_UP_4_ROWS_) {\n        this.rollUpRows_ = 4;\n        this.setRollUp(packet.pts);\n      } else if (data === this.CARRIAGE_RETURN_) {\n        this.clearFormatting(packet.pts);\n        this.flushDisplayed(packet.pts);\n        this.shiftRowsUp_();\n        this.startPts_ = packet.pts;\n      } else if (data === this.BACKSPACE_) {\n        if (this.mode_ === 'popOn') {\n          this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n        } else {\n          this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n        }\n      } else if (data === this.ERASE_DISPLAYED_MEMORY_) {\n        this.flushDisplayed(packet.pts);\n        this.displayed_ = createDisplayBuffer();\n      } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {\n        this.nonDisplayed_ = createDisplayBuffer();\n      } else if (data === this.RESUME_DIRECT_CAPTIONING_) {\n        if (this.mode_ !== 'paintOn') {\n          // NOTE: This should be removed when proper caption positioning is\n          // implemented\n          this.flushDisplayed(packet.pts);\n          this.displayed_ = createDisplayBuffer();\n        }\n\n        this.mode_ = 'paintOn';\n        this.startPts_ = packet.pts; // Append special characters to caption text\n      } else if (this.isSpecialCharacter(char0, char1)) {\n        // Bitmask char0 so that we can apply character transformations\n        // regardless of field and data channel.\n        // Then byte-shift to the left and OR with char1 so we can pass the\n        // entire character code to `getCharFromCode`.\n        char0 = (char0 & 0x03) << 8;\n        text = getCharFromCode(char0 | char1);\n        this[this.mode_](packet.pts, text);\n        this.column_++; // Append extended characters to caption text\n      } else if (this.isExtCharacter(char0, char1)) {\n        // Extended characters always follow their \"non-extended\" equivalents.\n        // IE if a \"è\" is desired, you'll always receive \"eè\"; non-compliant\n        // decoders are supposed to drop the \"è\", while compliant decoders\n        // backspace the \"e\" and insert \"è\".\n        // Delete the previous character\n        if (this.mode_ === 'popOn') {\n          this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n        } else {\n          this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n        } // Bitmask char0 so that we can apply character transformations\n        // regardless of field and data channel.\n        // Then byte-shift to the left and OR with char1 so we can pass the\n        // entire character code to `getCharFromCode`.\n\n\n        char0 = (char0 & 0x03) << 8;\n        text = getCharFromCode(char0 | char1);\n        this[this.mode_](packet.pts, text);\n        this.column_++; // Process mid-row codes\n      } else if (this.isMidRowCode(char0, char1)) {\n        // Attributes are not additive, so clear all formatting\n        this.clearFormatting(packet.pts); // According to the standard, mid-row codes\n        // should be replaced with spaces, so add one now\n\n        this[this.mode_](packet.pts, ' ');\n        this.column_++;\n\n        if ((char1 & 0xe) === 0xe) {\n          this.addFormatting(packet.pts, ['i']);\n        }\n\n        if ((char1 & 0x1) === 0x1) {\n          this.addFormatting(packet.pts, ['u']);\n        } // Detect offset control codes and adjust cursor\n\n      } else if (this.isOffsetControlCode(char0, char1)) {\n        // Cursor position is set by indent PAC (see below) in 4-column\n        // increments, with an additional offset code of 1-3 to reach any\n        // of the 32 columns specified by CEA-608. So all we need to do\n        // here is increment the column cursor by the given offset.\n        this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)\n      } else if (this.isPAC(char0, char1)) {\n        // There's no logic for PAC -> row mapping, so we have to just\n        // find the row code in an array and use its index :(\n        var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode\n\n        if (this.mode_ === 'rollUp') {\n          // This implies that the base row is incorrectly set.\n          // As per the recommendation in CEA-608(Base Row Implementation), defer to the number\n          // of roll-up rows set.\n          if (row - this.rollUpRows_ + 1 < 0) {\n            row = this.rollUpRows_ - 1;\n          }\n\n          this.setRollUp(packet.pts, row);\n        }\n\n        if (row !== this.row_) {\n          // formatting is only persistent for current row\n          this.clearFormatting(packet.pts);\n          this.row_ = row;\n        } // All PACs can apply underline, so detect and apply\n        // (All odd-numbered second bytes set underline)\n\n\n        if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {\n          this.addFormatting(packet.pts, ['u']);\n        }\n\n        if ((data & 0x10) === 0x10) {\n          // We've got an indent level code. Each successive even number\n          // increments the column cursor by 4, so we can get the desired\n          // column position by bit-shifting to the right (to get n/2)\n          // and multiplying by 4.\n          this.column_ = ((data & 0xe) >> 1) * 4;\n        }\n\n        if (this.isColorPAC(char1)) {\n          // it's a color code, though we only support white, which\n          // can be either normal or italicized. white italics can be\n          // either 0x4e or 0x6e depending on the row, so we just\n          // bitwise-and with 0xe to see if italics should be turned on\n          if ((char1 & 0xe) === 0xe) {\n            this.addFormatting(packet.pts, ['i']);\n          }\n        } // We have a normal character in char0, and possibly one in char1\n\n      } else if (this.isNormalChar(char0)) {\n        if (char1 === 0x00) {\n          char1 = null;\n        }\n\n        text = getCharFromCode(char0);\n        text += getCharFromCode(char1);\n        this[this.mode_](packet.pts, text);\n        this.column_ += text.length;\n      } // finish data processing\n\n    };\n  };\n\n  Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the\n  // display buffer\n\n  Cea608Stream.prototype.flushDisplayed = function (pts) {\n    var content = this.displayed_ // remove spaces from the start and end of the string\n    .map(function (row) {\n      try {\n        return row.trim();\n      } catch (e) {\n        // Ordinarily, this shouldn't happen. However, caption\n        // parsing errors should not throw exceptions and\n        // break playback.\n        // eslint-disable-next-line no-console\n        console.error('Skipping malformed caption.');\n        return '';\n      }\n    }) // combine all text rows to display in one cue\n    .join('\\n') // and remove blank rows from the start and end, but not the middle\n    .replace(/^\\n+|\\n+$/g, '');\n\n    if (content.length) {\n      this.trigger('data', {\n        startPts: this.startPts_,\n        endPts: pts,\n        text: content,\n        stream: this.name_\n      });\n    }\n  };\n  /**\n   * Zero out the data, used for startup and on seek\n   */\n\n\n  Cea608Stream.prototype.reset = function () {\n    this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will\n    // actually display captions. If a caption is shifted to a row\n    // with a lower index than this, it is cleared from the display\n    // buffer\n\n    this.topRow_ = 0;\n    this.startPts_ = 0;\n    this.displayed_ = createDisplayBuffer();\n    this.nonDisplayed_ = createDisplayBuffer();\n    this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing\n\n    this.column_ = 0;\n    this.row_ = BOTTOM_ROW;\n    this.rollUpRows_ = 2; // This variable holds currently-applied formatting\n\n    this.formatting_ = [];\n  };\n  /**\n   * Sets up control code and related constants for this instance\n   */\n\n\n  Cea608Stream.prototype.setConstants = function () {\n    // The following attributes have these uses:\n    // ext_ :    char0 for mid-row codes, and the base for extended\n    //           chars (ext_+0, ext_+1, and ext_+2 are char0s for\n    //           extended codes)\n    // control_: char0 for control codes, except byte-shifted to the\n    //           left so that we can do this.control_ | CONTROL_CODE\n    // offset_:  char0 for tab offset codes\n    //\n    // It's also worth noting that control codes, and _only_ control codes,\n    // differ between field 1 and field2. Field 2 control codes are always\n    // their field 1 value plus 1. That's why there's the \"| field\" on the\n    // control value.\n    if (this.dataChannel_ === 0) {\n      this.BASE_ = 0x10;\n      this.EXT_ = 0x11;\n      this.CONTROL_ = (0x14 | this.field_) << 8;\n      this.OFFSET_ = 0x17;\n    } else if (this.dataChannel_ === 1) {\n      this.BASE_ = 0x18;\n      this.EXT_ = 0x19;\n      this.CONTROL_ = (0x1c | this.field_) << 8;\n      this.OFFSET_ = 0x1f;\n    } // Constants for the LSByte command codes recognized by Cea608Stream. This\n    // list is not exhaustive. For a more comprehensive listing and semantics see\n    // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf\n    // Padding\n\n\n    this.PADDING_ = 0x0000; // Pop-on Mode\n\n    this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;\n    this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode\n\n    this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;\n    this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;\n    this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;\n    this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode\n\n    this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure\n\n    this.BACKSPACE_ = this.CONTROL_ | 0x21;\n    this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;\n    this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;\n  };\n  /**\n   * Detects if the 2-byte packet data is a special character\n   *\n   * Special characters have a second byte in the range 0x30 to 0x3f,\n   * with the first byte being 0x11 (for data channel 1) or 0x19 (for\n   * data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an special character\n   */\n\n\n  Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {\n    return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;\n  };\n  /**\n   * Detects if the 2-byte packet data is an extended character\n   *\n   * Extended characters have a second byte in the range 0x20 to 0x3f,\n   * with the first byte being 0x12 or 0x13 (for data channel 1) or\n   * 0x1a or 0x1b (for data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an extended character\n   */\n\n\n  Cea608Stream.prototype.isExtCharacter = function (char0, char1) {\n    return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;\n  };\n  /**\n   * Detects if the 2-byte packet is a mid-row code\n   *\n   * Mid-row codes have a second byte in the range 0x20 to 0x2f, with\n   * the first byte being 0x11 (for data channel 1) or 0x19 (for data\n   * channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are a mid-row code\n   */\n\n\n  Cea608Stream.prototype.isMidRowCode = function (char0, char1) {\n    return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;\n  };\n  /**\n   * Detects if the 2-byte packet is an offset control code\n   *\n   * Offset control codes have a second byte in the range 0x21 to 0x23,\n   * with the first byte being 0x17 (for data channel 1) or 0x1f (for\n   * data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an offset control code\n   */\n\n\n  Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {\n    return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;\n  };\n  /**\n   * Detects if the 2-byte packet is a Preamble Address Code\n   *\n   * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)\n   * or 0x18 to 0x1f (for data channel 2), with the second byte in the\n   * range 0x40 to 0x7f.\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are a PAC\n   */\n\n\n  Cea608Stream.prototype.isPAC = function (char0, char1) {\n    return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;\n  };\n  /**\n   * Detects if a packet's second byte is in the range of a PAC color code\n   *\n   * PAC color codes have the second byte be in the range 0x40 to 0x4f, or\n   * 0x60 to 0x6f.\n   *\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the byte is a color PAC\n   */\n\n\n  Cea608Stream.prototype.isColorPAC = function (char1) {\n    return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;\n  };\n  /**\n   * Detects if a single byte is in the range of a normal character\n   *\n   * Normal text bytes are in the range 0x20 to 0x7f.\n   *\n   * @param  {Integer} char  The byte\n   * @return {Boolean}       Whether the byte is a normal character\n   */\n\n\n  Cea608Stream.prototype.isNormalChar = function (_char) {\n    return _char >= 0x20 && _char <= 0x7f;\n  };\n  /**\n   * Configures roll-up\n   *\n   * @param  {Integer} pts         Current PTS\n   * @param  {Integer} newBaseRow  Used by PACs to slide the current window to\n   *                               a new position\n   */\n\n\n  Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {\n    // Reset the base row to the bottom row when switching modes\n    if (this.mode_ !== 'rollUp') {\n      this.row_ = BOTTOM_ROW;\n      this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up\n\n      this.flushDisplayed(pts);\n      this.nonDisplayed_ = createDisplayBuffer();\n      this.displayed_ = createDisplayBuffer();\n    }\n\n    if (newBaseRow !== undefined && newBaseRow !== this.row_) {\n      // move currently displayed captions (up or down) to the new base row\n      for (var i = 0; i < this.rollUpRows_; i++) {\n        this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];\n        this.displayed_[this.row_ - i] = '';\n      }\n    }\n\n    if (newBaseRow === undefined) {\n      newBaseRow = this.row_;\n    }\n\n    this.topRow_ = newBaseRow - this.rollUpRows_ + 1;\n  }; // Adds the opening HTML tag for the passed character to the caption text,\n  // and keeps track of it for later closing\n\n\n  Cea608Stream.prototype.addFormatting = function (pts, format) {\n    this.formatting_ = this.formatting_.concat(format);\n    var text = format.reduce(function (text, format) {\n      return text + '<' + format + '>';\n    }, '');\n    this[this.mode_](pts, text);\n  }; // Adds HTML closing tags for current formatting to caption text and\n  // clears remembered formatting\n\n\n  Cea608Stream.prototype.clearFormatting = function (pts) {\n    if (!this.formatting_.length) {\n      return;\n    }\n\n    var text = this.formatting_.reverse().reduce(function (text, format) {\n      return text + '</' + format + '>';\n    }, '');\n    this.formatting_ = [];\n    this[this.mode_](pts, text);\n  }; // Mode Implementations\n\n\n  Cea608Stream.prototype.popOn = function (pts, text) {\n    var baseRow = this.nonDisplayed_[this.row_]; // buffer characters\n\n    baseRow += text;\n    this.nonDisplayed_[this.row_] = baseRow;\n  };\n\n  Cea608Stream.prototype.rollUp = function (pts, text) {\n    var baseRow = this.displayed_[this.row_];\n    baseRow += text;\n    this.displayed_[this.row_] = baseRow;\n  };\n\n  Cea608Stream.prototype.shiftRowsUp_ = function () {\n    var i; // clear out inactive rows\n\n    for (i = 0; i < this.topRow_; i++) {\n      this.displayed_[i] = '';\n    }\n\n    for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {\n      this.displayed_[i] = '';\n    } // shift displayed rows up\n\n\n    for (i = this.topRow_; i < this.row_; i++) {\n      this.displayed_[i] = this.displayed_[i + 1];\n    } // clear out the bottom row\n\n\n    this.displayed_[this.row_] = '';\n  };\n\n  Cea608Stream.prototype.paintOn = function (pts, text) {\n    var baseRow = this.displayed_[this.row_];\n    baseRow += text;\n    this.displayed_[this.row_] = baseRow;\n  }; // exports\n\n\n  var captionStream = {\n    CaptionStream: CaptionStream,\n    Cea608Stream: Cea608Stream\n  };\n\n  var discardEmulationPreventionBytes$1 = captionPacketParser.discardEmulationPreventionBytes;\n  var CaptionStream$1 = captionStream.CaptionStream;\n  /**\n    * Maps an offset in the mdat to a sample based on the the size of the samples.\n    * Assumes that `parseSamples` has been called first.\n    *\n    * @param {Number} offset - The offset into the mdat\n    * @param {Object[]} samples - An array of samples, parsed using `parseSamples`\n    * @return {?Object} The matching sample, or null if no match was found.\n    *\n    * @see ISO-BMFF-12/2015, Section 8.8.8\n   **/\n\n  var mapToSample = function mapToSample(offset, samples) {\n    var approximateOffset = offset;\n\n    for (var i = 0; i < samples.length; i++) {\n      var sample = samples[i];\n\n      if (approximateOffset < sample.size) {\n        return sample;\n      }\n\n      approximateOffset -= sample.size;\n    }\n\n    return null;\n  };\n  /**\n    * Finds SEI nal units contained in a Media Data Box.\n    * Assumes that `parseSamples` has been called first.\n    *\n    * @param {Uint8Array} avcStream - The bytes of the mdat\n    * @param {Object[]} samples - The samples parsed out by `parseSamples`\n    * @param {Number} trackId - The trackId of this video track\n    * @return {Object[]} seiNals - the parsed SEI NALUs found.\n    *   The contents of the seiNal should match what is expected by\n    *   CaptionStream.push (nalUnitType, size, data, escapedRBSP, pts, dts)\n    *\n    * @see ISO-BMFF-12/2015, Section 8.1.1\n    * @see Rec. ITU-T H.264, 7.3.2.3.1\n   **/\n\n\n  var findSeiNals = function findSeiNals(avcStream, samples, trackId) {\n    var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),\n        result = [],\n        seiNal,\n        i,\n        length,\n        lastMatchedSample;\n\n    for (i = 0; i + 4 < avcStream.length; i += length) {\n      length = avcView.getUint32(i);\n      i += 4; // Bail if this doesn't appear to be an H264 stream\n\n      if (length <= 0) {\n        continue;\n      }\n\n      switch (avcStream[i] & 0x1F) {\n        case 0x06:\n          var data = avcStream.subarray(i + 1, i + 1 + length);\n          var matchingSample = mapToSample(i, samples);\n          seiNal = {\n            nalUnitType: 'sei_rbsp',\n            size: length,\n            data: data,\n            escapedRBSP: discardEmulationPreventionBytes$1(data),\n            trackId: trackId\n          };\n\n          if (matchingSample) {\n            seiNal.pts = matchingSample.pts;\n            seiNal.dts = matchingSample.dts;\n            lastMatchedSample = matchingSample;\n          } else {\n            // If a matching sample cannot be found, use the last\n            // sample's values as they should be as close as possible\n            seiNal.pts = lastMatchedSample.pts;\n            seiNal.dts = lastMatchedSample.dts;\n          }\n\n          result.push(seiNal);\n          break;\n\n        default:\n          break;\n      }\n    }\n\n    return result;\n  };\n  /**\n    * Parses sample information out of Track Run Boxes and calculates\n    * the absolute presentation and decode timestamps of each sample.\n    *\n    * @param {Array<Uint8Array>} truns - The Trun Run boxes to be parsed\n    * @param {Number} baseMediaDecodeTime - base media decode time from tfdt\n        @see ISO-BMFF-12/2015, Section 8.8.12\n    * @param {Object} tfhd - The parsed Track Fragment Header\n    *   @see inspect.parseTfhd\n    * @return {Object[]} the parsed samples\n    *\n    * @see ISO-BMFF-12/2015, Section 8.8.8\n   **/\n\n\n  var parseSamples = function parseSamples(truns, baseMediaDecodeTime, tfhd) {\n    var currentDts = baseMediaDecodeTime;\n    var defaultSampleDuration = tfhd.defaultSampleDuration || 0;\n    var defaultSampleSize = tfhd.defaultSampleSize || 0;\n    var trackId = tfhd.trackId;\n    var allSamples = [];\n    truns.forEach(function (trun) {\n      // Note: We currently do not parse the sample table as well\n      // as the trun. It's possible some sources will require this.\n      // moov > trak > mdia > minf > stbl\n      var trackRun = mp4Inspector.parseTrun(trun);\n      var samples = trackRun.samples;\n      samples.forEach(function (sample) {\n        if (sample.duration === undefined) {\n          sample.duration = defaultSampleDuration;\n        }\n\n        if (sample.size === undefined) {\n          sample.size = defaultSampleSize;\n        }\n\n        sample.trackId = trackId;\n        sample.dts = currentDts;\n\n        if (sample.compositionTimeOffset === undefined) {\n          sample.compositionTimeOffset = 0;\n        }\n\n        sample.pts = currentDts + sample.compositionTimeOffset;\n        currentDts += sample.duration;\n      });\n      allSamples = allSamples.concat(samples);\n    });\n    return allSamples;\n  };\n  /**\n    * Parses out caption nals from an FMP4 segment's video tracks.\n    *\n    * @param {Uint8Array} segment - The bytes of a single segment\n    * @param {Number} videoTrackId - The trackId of a video track in the segment\n    * @return {Object.<Number, Object[]>} A mapping of video trackId to\n    *   a list of seiNals found in that track\n   **/\n\n\n  var parseCaptionNals = function parseCaptionNals(segment, videoTrackId) {\n    // To get the samples\n    var trafs = probe.findBox(segment, ['moof', 'traf']); // To get SEI NAL units\n\n    var mdats = probe.findBox(segment, ['mdat']);\n    var captionNals = {};\n    var mdatTrafPairs = []; // Pair up each traf with a mdat as moofs and mdats are in pairs\n\n    mdats.forEach(function (mdat, index) {\n      var matchingTraf = trafs[index];\n      mdatTrafPairs.push({\n        mdat: mdat,\n        traf: matchingTraf\n      });\n    });\n    mdatTrafPairs.forEach(function (pair) {\n      var mdat = pair.mdat;\n      var traf = pair.traf;\n      var tfhd = probe.findBox(traf, ['tfhd']); // Exactly 1 tfhd per traf\n\n      var headerInfo = mp4Inspector.parseTfhd(tfhd[0]);\n      var trackId = headerInfo.trackId;\n      var tfdt = probe.findBox(traf, ['tfdt']); // Either 0 or 1 tfdt per traf\n\n      var baseMediaDecodeTime = tfdt.length > 0 ? mp4Inspector.parseTfdt(tfdt[0]).baseMediaDecodeTime : 0;\n      var truns = probe.findBox(traf, ['trun']);\n      var samples;\n      var seiNals; // Only parse video data for the chosen video track\n\n      if (videoTrackId === trackId && truns.length > 0) {\n        samples = parseSamples(truns, baseMediaDecodeTime, headerInfo);\n        seiNals = findSeiNals(mdat, samples, trackId);\n\n        if (!captionNals[trackId]) {\n          captionNals[trackId] = [];\n        }\n\n        captionNals[trackId] = captionNals[trackId].concat(seiNals);\n      }\n    });\n    return captionNals;\n  };\n  /**\n    * Parses out inband captions from an MP4 container and returns\n    * caption objects that can be used by WebVTT and the TextTrack API.\n    * @see https://developer.mozilla.org/en-US/docs/Web/API/VTTCue\n    * @see https://developer.mozilla.org/en-US/docs/Web/API/TextTrack\n    * Assumes that `probe.getVideoTrackIds` and `probe.timescale` have been called first\n    *\n    * @param {Uint8Array} segment - The fmp4 segment containing embedded captions\n    * @param {Number} trackId - The id of the video track to parse\n    * @param {Number} timescale - The timescale for the video track from the init segment\n    *\n    * @return {?Object[]} parsedCaptions - A list of captions or null if no video tracks\n    * @return {Number} parsedCaptions[].startTime - The time to show the caption in seconds\n    * @return {Number} parsedCaptions[].endTime - The time to stop showing the caption in seconds\n    * @return {String} parsedCaptions[].text - The visible content of the caption\n   **/\n\n\n  var parseEmbeddedCaptions = function parseEmbeddedCaptions(segment, trackId, timescale) {\n    var seiNals; // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there\n\n    if (trackId === null) {\n      return null;\n    }\n\n    seiNals = parseCaptionNals(segment, trackId);\n    return {\n      seiNals: seiNals[trackId],\n      timescale: timescale\n    };\n  };\n  /**\n    * Converts SEI NALUs into captions that can be used by video.js\n   **/\n\n\n  var CaptionParser = function CaptionParser() {\n    var isInitialized = false;\n    var captionStream; // Stores segments seen before trackId and timescale are set\n\n    var segmentCache; // Stores video track ID of the track being parsed\n\n    var trackId; // Stores the timescale of the track being parsed\n\n    var timescale; // Stores captions parsed so far\n\n    var parsedCaptions; // Stores whether we are receiving partial data or not\n\n    var parsingPartial;\n    /**\n      * A method to indicate whether a CaptionParser has been initalized\n      * @returns {Boolean}\n     **/\n\n    this.isInitialized = function () {\n      return isInitialized;\n    };\n    /**\n      * Initializes the underlying CaptionStream, SEI NAL parsing\n      * and management, and caption collection\n     **/\n\n\n    this.init = function (options) {\n      captionStream = new CaptionStream$1();\n      isInitialized = true;\n      parsingPartial = options ? options.isPartial : false; // Collect dispatched captions\n\n      captionStream.on('data', function (event) {\n        // Convert to seconds in the source's timescale\n        event.startTime = event.startPts / timescale;\n        event.endTime = event.endPts / timescale;\n        parsedCaptions.captions.push(event);\n        parsedCaptions.captionStreams[event.stream] = true;\n      });\n    };\n    /**\n      * Determines if a new video track will be selected\n      * or if the timescale changed\n      * @return {Boolean}\n     **/\n\n\n    this.isNewInit = function (videoTrackIds, timescales) {\n      if (videoTrackIds && videoTrackIds.length === 0 || timescales && typeof timescales === 'object' && Object.keys(timescales).length === 0) {\n        return false;\n      }\n\n      return trackId !== videoTrackIds[0] || timescale !== timescales[trackId];\n    };\n    /**\n      * Parses out SEI captions and interacts with underlying\n      * CaptionStream to return dispatched captions\n      *\n      * @param {Uint8Array} segment - The fmp4 segment containing embedded captions\n      * @param {Number[]} videoTrackIds - A list of video tracks found in the init segment\n      * @param {Object.<Number, Number>} timescales - The timescales found in the init segment\n      * @see parseEmbeddedCaptions\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.parse = function (segment, videoTrackIds, timescales) {\n      var parsedData;\n\n      if (!this.isInitialized()) {\n        return null; // This is not likely to be a video segment\n      } else if (!videoTrackIds || !timescales) {\n        return null;\n      } else if (this.isNewInit(videoTrackIds, timescales)) {\n        // Use the first video track only as there is no\n        // mechanism to switch to other video tracks\n        trackId = videoTrackIds[0];\n        timescale = timescales[trackId]; // If an init segment has not been seen yet, hold onto segment\n        // data until we have one.\n        // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there\n      } else if (trackId === null || !timescale) {\n        segmentCache.push(segment);\n        return null;\n      } // Now that a timescale and trackId is set, parse cached segments\n\n\n      while (segmentCache.length > 0) {\n        var cachedSegment = segmentCache.shift();\n        this.parse(cachedSegment, videoTrackIds, timescales);\n      }\n\n      parsedData = parseEmbeddedCaptions(segment, trackId, timescale);\n\n      if (parsedData === null || !parsedData.seiNals) {\n        return null;\n      }\n\n      this.pushNals(parsedData.seiNals); // Force the parsed captions to be dispatched\n\n      this.flushStream();\n      return parsedCaptions;\n    };\n    /**\n      * Pushes SEI NALUs onto CaptionStream\n      * @param {Object[]} nals - A list of SEI nals parsed using `parseCaptionNals`\n      * Assumes that `parseCaptionNals` has been called first\n      * @see m2ts/caption-stream.js\n      **/\n\n\n    this.pushNals = function (nals) {\n      if (!this.isInitialized() || !nals || nals.length === 0) {\n        return null;\n      }\n\n      nals.forEach(function (nal) {\n        captionStream.push(nal);\n      });\n    };\n    /**\n      * Flushes underlying CaptionStream to dispatch processed, displayable captions\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.flushStream = function () {\n      if (!this.isInitialized()) {\n        return null;\n      }\n\n      if (!parsingPartial) {\n        captionStream.flush();\n      } else {\n        captionStream.partialFlush();\n      }\n    };\n    /**\n      * Reset caption buckets for new data\n     **/\n\n\n    this.clearParsedCaptions = function () {\n      parsedCaptions.captions = [];\n      parsedCaptions.captionStreams = {};\n    };\n    /**\n      * Resets underlying CaptionStream\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.resetCaptionStream = function () {\n      if (!this.isInitialized()) {\n        return null;\n      }\n\n      captionStream.reset();\n    };\n    /**\n      * Convenience method to clear all captions flushed from the\n      * CaptionStream and still being parsed\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.clearAllCaptions = function () {\n      this.clearParsedCaptions();\n      this.resetCaptionStream();\n    };\n    /**\n      * Reset caption parser\n     **/\n\n\n    this.reset = function () {\n      segmentCache = [];\n      trackId = null;\n      timescale = null;\n\n      if (!parsedCaptions) {\n        parsedCaptions = {\n          captions: [],\n          // CC1, CC2, CC3, CC4\n          captionStreams: {}\n        };\n      } else {\n        this.clearParsedCaptions();\n      }\n\n      this.resetCaptionStream();\n    };\n\n    this.reset();\n  };\n\n  var captionParser = CaptionParser;\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n\n  var streamTypes = {\n    H264_STREAM_TYPE: 0x1B,\n    ADTS_STREAM_TYPE: 0x0F,\n    METADATA_STREAM_TYPE: 0x15\n  };\n\n  var MAX_TS = 8589934592;\n  var RO_THRESH = 4294967296;\n  var TYPE_SHARED = 'shared';\n\n  var handleRollover = function handleRollover(value, reference) {\n    var direction = 1;\n\n    if (value > reference) {\n      // If the current timestamp value is greater than our reference timestamp and we detect a\n      // timestamp rollover, this means the roll over is happening in the opposite direction.\n      // Example scenario: Enter a long stream/video just after a rollover occurred. The reference\n      // point will be set to a small number, e.g. 1. The user then seeks backwards over the\n      // rollover point. In loading this segment, the timestamp values will be very large,\n      // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust\n      // the time stamp to be `value - 2^33`.\n      direction = -1;\n    } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will\n    // cause an incorrect adjustment.\n\n\n    while (Math.abs(reference - value) > RO_THRESH) {\n      value += direction * MAX_TS;\n    }\n\n    return value;\n  };\n\n  var TimestampRolloverStream = function TimestampRolloverStream(type) {\n    var lastDTS, referenceDTS;\n    TimestampRolloverStream.prototype.init.call(this); // The \"shared\" type is used in cases where a stream will contain muxed\n    // video and audio. We could use `undefined` here, but having a string\n    // makes debugging a little clearer.\n\n    this.type_ = type || TYPE_SHARED;\n\n    this.push = function (data) {\n      // Any \"shared\" rollover streams will accept _all_ data. Otherwise,\n      // streams will only accept data that matches their type.\n      if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {\n        return;\n      }\n\n      if (referenceDTS === undefined) {\n        referenceDTS = data.dts;\n      }\n\n      data.dts = handleRollover(data.dts, referenceDTS);\n      data.pts = handleRollover(data.pts, referenceDTS);\n      lastDTS = data.dts;\n      this.trigger('data', data);\n    };\n\n    this.flush = function () {\n      referenceDTS = lastDTS;\n      this.trigger('done');\n    };\n\n    this.endTimeline = function () {\n      this.flush();\n      this.trigger('endedtimeline');\n    };\n\n    this.discontinuity = function () {\n      referenceDTS = void 0;\n      lastDTS = void 0;\n    };\n\n    this.reset = function () {\n      this.discontinuity();\n      this.trigger('reset');\n    };\n  };\n\n  TimestampRolloverStream.prototype = new stream();\n  var timestampRolloverStream = {\n    TimestampRolloverStream: TimestampRolloverStream,\n    handleRollover: handleRollover\n  };\n\n  var parsePid = function parsePid(packet) {\n    var pid = packet[1] & 0x1f;\n    pid <<= 8;\n    pid |= packet[2];\n    return pid;\n  };\n\n  var parsePayloadUnitStartIndicator = function parsePayloadUnitStartIndicator(packet) {\n    return !!(packet[1] & 0x40);\n  };\n\n  var parseAdaptionField = function parseAdaptionField(packet) {\n    var offset = 0; // if an adaption field is present, its length is specified by the\n    // fifth byte of the TS packet header. The adaptation field is\n    // used to add stuffing to PES packets that don't fill a complete\n    // TS packet, and to specify some forms of timing and control data\n    // that we do not currently use.\n\n    if ((packet[3] & 0x30) >>> 4 > 0x01) {\n      offset += packet[4] + 1;\n    }\n\n    return offset;\n  };\n\n  var parseType$1 = function parseType(packet, pmtPid) {\n    var pid = parsePid(packet);\n\n    if (pid === 0) {\n      return 'pat';\n    } else if (pid === pmtPid) {\n      return 'pmt';\n    } else if (pmtPid) {\n      return 'pes';\n    }\n\n    return null;\n  };\n\n  var parsePat = function parsePat(packet) {\n    var pusi = parsePayloadUnitStartIndicator(packet);\n    var offset = 4 + parseAdaptionField(packet);\n\n    if (pusi) {\n      offset += packet[offset] + 1;\n    }\n\n    return (packet[offset + 10] & 0x1f) << 8 | packet[offset + 11];\n  };\n\n  var parsePmt = function parsePmt(packet) {\n    var programMapTable = {};\n    var pusi = parsePayloadUnitStartIndicator(packet);\n    var payloadOffset = 4 + parseAdaptionField(packet);\n\n    if (pusi) {\n      payloadOffset += packet[payloadOffset] + 1;\n    } // PMTs can be sent ahead of the time when they should actually\n    // take effect. We don't believe this should ever be the case\n    // for HLS but we'll ignore \"forward\" PMT declarations if we see\n    // them. Future PMT declarations have the current_next_indicator\n    // set to zero.\n\n\n    if (!(packet[payloadOffset + 5] & 0x01)) {\n      return;\n    }\n\n    var sectionLength, tableEnd, programInfoLength; // the mapping table ends at the end of the current section\n\n    sectionLength = (packet[payloadOffset + 1] & 0x0f) << 8 | packet[payloadOffset + 2];\n    tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how\n    // long the program info descriptors are\n\n    programInfoLength = (packet[payloadOffset + 10] & 0x0f) << 8 | packet[payloadOffset + 11]; // advance the offset to the first entry in the mapping table\n\n    var offset = 12 + programInfoLength;\n\n    while (offset < tableEnd) {\n      var i = payloadOffset + offset; // add an entry that maps the elementary_pid to the stream_type\n\n      programMapTable[(packet[i + 1] & 0x1F) << 8 | packet[i + 2]] = packet[i]; // move to the next table entry\n      // skip past the elementary stream descriptors, if present\n\n      offset += ((packet[i + 3] & 0x0F) << 8 | packet[i + 4]) + 5;\n    }\n\n    return programMapTable;\n  };\n\n  var parsePesType = function parsePesType(packet, programMapTable) {\n    var pid = parsePid(packet);\n    var type = programMapTable[pid];\n\n    switch (type) {\n      case streamTypes.H264_STREAM_TYPE:\n        return 'video';\n\n      case streamTypes.ADTS_STREAM_TYPE:\n        return 'audio';\n\n      case streamTypes.METADATA_STREAM_TYPE:\n        return 'timed-metadata';\n\n      default:\n        return null;\n    }\n  };\n\n  var parsePesTime = function parsePesTime(packet) {\n    var pusi = parsePayloadUnitStartIndicator(packet);\n\n    if (!pusi) {\n      return null;\n    }\n\n    var offset = 4 + parseAdaptionField(packet);\n\n    if (offset >= packet.byteLength) {\n      // From the H 222.0 MPEG-TS spec\n      // \"For transport stream packets carrying PES packets, stuffing is needed when there\n      //  is insufficient PES packet data to completely fill the transport stream packet\n      //  payload bytes. Stuffing is accomplished by defining an adaptation field longer than\n      //  the sum of the lengths of the data elements in it, so that the payload bytes\n      //  remaining after the adaptation field exactly accommodates the available PES packet\n      //  data.\"\n      //\n      // If the offset is >= the length of the packet, then the packet contains no data\n      // and instead is just adaption field stuffing bytes\n      return null;\n    }\n\n    var pes = null;\n    var ptsDtsFlags; // PES packets may be annotated with a PTS value, or a PTS value\n    // and a DTS value. Determine what combination of values is\n    // available to work with.\n\n    ptsDtsFlags = packet[offset + 7]; // PTS and DTS are normally stored as a 33-bit number.  Javascript\n    // performs all bitwise operations on 32-bit integers but javascript\n    // supports a much greater range (52-bits) of integer using standard\n    // mathematical operations.\n    // We construct a 31-bit value using bitwise operators over the 31\n    // most significant bits and then multiply by 4 (equal to a left-shift\n    // of 2) before we add the final 2 least significant bits of the\n    // timestamp (equal to an OR.)\n\n    if (ptsDtsFlags & 0xC0) {\n      pes = {}; // the PTS and DTS are not written out directly. For information\n      // on how they are encoded, see\n      // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n\n      pes.pts = (packet[offset + 9] & 0x0E) << 27 | (packet[offset + 10] & 0xFF) << 20 | (packet[offset + 11] & 0xFE) << 12 | (packet[offset + 12] & 0xFF) << 5 | (packet[offset + 13] & 0xFE) >>> 3;\n      pes.pts *= 4; // Left shift by 2\n\n      pes.pts += (packet[offset + 13] & 0x06) >>> 1; // OR by the two LSBs\n\n      pes.dts = pes.pts;\n\n      if (ptsDtsFlags & 0x40) {\n        pes.dts = (packet[offset + 14] & 0x0E) << 27 | (packet[offset + 15] & 0xFF) << 20 | (packet[offset + 16] & 0xFE) << 12 | (packet[offset + 17] & 0xFF) << 5 | (packet[offset + 18] & 0xFE) >>> 3;\n        pes.dts *= 4; // Left shift by 2\n\n        pes.dts += (packet[offset + 18] & 0x06) >>> 1; // OR by the two LSBs\n      }\n    }\n\n    return pes;\n  };\n\n  var parseNalUnitType = function parseNalUnitType(type) {\n    switch (type) {\n      case 0x05:\n        return 'slice_layer_without_partitioning_rbsp_idr';\n\n      case 0x06:\n        return 'sei_rbsp';\n\n      case 0x07:\n        return 'seq_parameter_set_rbsp';\n\n      case 0x08:\n        return 'pic_parameter_set_rbsp';\n\n      case 0x09:\n        return 'access_unit_delimiter_rbsp';\n\n      default:\n        return null;\n    }\n  };\n\n  var videoPacketContainsKeyFrame = function videoPacketContainsKeyFrame(packet) {\n    var offset = 4 + parseAdaptionField(packet);\n    var frameBuffer = packet.subarray(offset);\n    var frameI = 0;\n    var frameSyncPoint = 0;\n    var foundKeyFrame = false;\n    var nalType; // advance the sync point to a NAL start, if necessary\n\n    for (; frameSyncPoint < frameBuffer.byteLength - 3; frameSyncPoint++) {\n      if (frameBuffer[frameSyncPoint + 2] === 1) {\n        // the sync point is properly aligned\n        frameI = frameSyncPoint + 5;\n        break;\n      }\n    }\n\n    while (frameI < frameBuffer.byteLength) {\n      // look at the current byte to determine if we've hit the end of\n      // a NAL unit boundary\n      switch (frameBuffer[frameI]) {\n        case 0:\n          // skip past non-sync sequences\n          if (frameBuffer[frameI - 1] !== 0) {\n            frameI += 2;\n            break;\n          } else if (frameBuffer[frameI - 2] !== 0) {\n            frameI++;\n            break;\n          }\n\n          if (frameSyncPoint + 3 !== frameI - 2) {\n            nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n            if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n              foundKeyFrame = true;\n            }\n          } // drop trailing zeroes\n\n\n          do {\n            frameI++;\n          } while (frameBuffer[frameI] !== 1 && frameI < frameBuffer.length);\n\n          frameSyncPoint = frameI - 2;\n          frameI += 3;\n          break;\n\n        case 1:\n          // skip past non-sync sequences\n          if (frameBuffer[frameI - 1] !== 0 || frameBuffer[frameI - 2] !== 0) {\n            frameI += 3;\n            break;\n          }\n\n          nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n          if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n            foundKeyFrame = true;\n          }\n\n          frameSyncPoint = frameI - 2;\n          frameI += 3;\n          break;\n\n        default:\n          // the current byte isn't a one or zero, so it cannot be part\n          // of a sync sequence\n          frameI += 3;\n          break;\n      }\n    }\n\n    frameBuffer = frameBuffer.subarray(frameSyncPoint);\n    frameI -= frameSyncPoint;\n    frameSyncPoint = 0; // parse the final nal\n\n    if (frameBuffer && frameBuffer.byteLength > 3) {\n      nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n      if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n        foundKeyFrame = true;\n      }\n    }\n\n    return foundKeyFrame;\n  };\n\n  var probe$1 = {\n    parseType: parseType$1,\n    parsePat: parsePat,\n    parsePmt: parsePmt,\n    parsePayloadUnitStartIndicator: parsePayloadUnitStartIndicator,\n    parsePesType: parsePesType,\n    parsePesTime: parsePesTime,\n    videoPacketContainsKeyFrame: videoPacketContainsKeyFrame\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * Utilities to detect basic properties and metadata about Aac data.\n   */\n\n  var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n\n  var isLikelyAacData = function isLikelyAacData(data) {\n    if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {\n      return true;\n    }\n\n    return false;\n  };\n\n  var parseSyncSafeInteger = function parseSyncSafeInteger(data) {\n    return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n  }; // return a percent-encoded representation of the specified byte range\n  // @see http://en.wikipedia.org/wiki/Percent-encoding\n\n\n  var percentEncode = function percentEncode(bytes, start, end) {\n    var i,\n        result = '';\n\n    for (i = start; i < end; i++) {\n      result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n    }\n\n    return result;\n  }; // return the string representation of the specified byte range,\n  // interpreted as ISO-8859-1.\n\n\n  var parseIso88591 = function parseIso88591(bytes, start, end) {\n    return unescape(percentEncode(bytes, start, end)); // jshint ignore:line\n  };\n\n  var parseId3TagSize = function parseId3TagSize(header, byteIndex) {\n    var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],\n        flags = header[byteIndex + 5],\n        footerPresent = (flags & 16) >> 4;\n\n    if (footerPresent) {\n      return returnSize + 20;\n    }\n\n    return returnSize + 10;\n  };\n\n  var parseAdtsSize = function parseAdtsSize(header, byteIndex) {\n    var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,\n        middle = header[byteIndex + 4] << 3,\n        highTwo = header[byteIndex + 3] & 0x3 << 11;\n    return highTwo | middle | lowThree;\n  };\n\n  var parseType$2 = function parseType(header, byteIndex) {\n    if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {\n      return 'timed-metadata';\n    } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {\n      return 'audio';\n    }\n\n    return null;\n  };\n\n  var parseSampleRate = function parseSampleRate(packet) {\n    var i = 0;\n\n    while (i + 5 < packet.length) {\n      if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {\n        // If a valid header was not found,  jump one forward and attempt to\n        // find a valid ADTS header starting at the next byte\n        i++;\n        continue;\n      }\n\n      return ADTS_SAMPLING_FREQUENCIES[(packet[i + 2] & 0x3c) >>> 2];\n    }\n\n    return null;\n  };\n\n  var parseAacTimestamp = function parseAacTimestamp(packet) {\n    var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag\n\n    frameStart = 10;\n\n    if (packet[5] & 0x40) {\n      // advance the frame start past the extended header\n      frameStart += 4; // header size field\n\n      frameStart += parseSyncSafeInteger(packet.subarray(10, 14));\n    } // parse one or more ID3 frames\n    // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n    do {\n      // determine the number of bytes in this frame\n      frameSize = parseSyncSafeInteger(packet.subarray(frameStart + 4, frameStart + 8));\n\n      if (frameSize < 1) {\n        return null;\n      }\n\n      frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);\n\n      if (frameHeader === 'PRIV') {\n        frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);\n\n        for (var i = 0; i < frame.byteLength; i++) {\n          if (frame[i] === 0) {\n            var owner = parseIso88591(frame, 0, i);\n\n            if (owner === 'com.apple.streaming.transportStreamTimestamp') {\n              var d = frame.subarray(i + 1);\n              var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n              size *= 4;\n              size += d[7] & 0x03;\n              return size;\n            }\n\n            break;\n          }\n        }\n      }\n\n      frameStart += 10; // advance past the frame header\n\n      frameStart += frameSize; // advance past the frame body\n    } while (frameStart < packet.byteLength);\n\n    return null;\n  };\n\n  var utils = {\n    isLikelyAacData: isLikelyAacData,\n    parseId3TagSize: parseId3TagSize,\n    parseAdtsSize: parseAdtsSize,\n    parseType: parseType$2,\n    parseSampleRate: parseSampleRate,\n    parseAacTimestamp: parseAacTimestamp\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n  var ONE_SECOND_IN_TS = 90000,\n      // 90kHz clock\n  secondsToVideoTs,\n      secondsToAudioTs,\n      videoTsToSeconds,\n      audioTsToSeconds,\n      audioTsToVideoTs,\n      videoTsToAudioTs,\n      metadataTsToSeconds;\n\n  secondsToVideoTs = function secondsToVideoTs(seconds) {\n    return seconds * ONE_SECOND_IN_TS;\n  };\n\n  secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {\n    return seconds * sampleRate;\n  };\n\n  videoTsToSeconds = function videoTsToSeconds(timestamp) {\n    return timestamp / ONE_SECOND_IN_TS;\n  };\n\n  audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {\n    return timestamp / sampleRate;\n  };\n\n  audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {\n    return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));\n  };\n\n  videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {\n    return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);\n  };\n  /**\n   * Adjust ID3 tag or caption timing information by the timeline pts values\n   * (if keepOriginalTimestamps is false) and convert to seconds\n   */\n\n\n  metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {\n    return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);\n  };\n\n  var clock = {\n    ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,\n    secondsToVideoTs: secondsToVideoTs,\n    secondsToAudioTs: secondsToAudioTs,\n    videoTsToSeconds: videoTsToSeconds,\n    audioTsToSeconds: audioTsToSeconds,\n    audioTsToVideoTs: audioTsToVideoTs,\n    videoTsToAudioTs: videoTsToAudioTs,\n    metadataTsToSeconds: metadataTsToSeconds\n  };\n\n  var handleRollover$1 = timestampRolloverStream.handleRollover;\n  var probe$2 = {};\n  probe$2.ts = probe$1;\n  probe$2.aac = utils;\n  var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;\n  var MP2T_PACKET_LENGTH = 188,\n      // bytes\n  SYNC_BYTE = 0x47;\n  /**\n   * walks through segment data looking for pat and pmt packets to parse out\n   * program map table information\n   */\n\n  var parsePsi_ = function parsePsi_(bytes, pmt) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type;\n\n    while (endIndex < bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pat':\n            if (!pmt.pid) {\n              pmt.pid = probe$2.ts.parsePat(packet);\n            }\n\n            break;\n\n          case 'pmt':\n            if (!pmt.table) {\n              pmt.table = probe$2.ts.parsePmt(packet);\n            }\n\n            break;\n\n          default:\n            break;\n        } // Found the pat and pmt, we can stop walking the segment\n\n\n        if (pmt.pid && pmt.table) {\n          return;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    }\n  };\n  /**\n   * walks through the segment data from the start and end to get timing information\n   * for the first and last audio pes packets\n   */\n\n\n  var parseAudioPes_ = function parseAudioPes_(bytes, pmt, result) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type,\n        pesType,\n        pusi,\n        parsed;\n    var endLoop = false; // Start walking from start of segment to get first audio packet\n\n    while (endIndex <= bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'audio' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'audio';\n                result.audio.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    } // Start walking from end of segment to get last audio packet\n\n\n    endIndex = bytes.byteLength;\n    startIndex = endIndex - MP2T_PACKET_LENGTH;\n    endLoop = false;\n\n    while (startIndex >= 0) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'audio' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'audio';\n                result.audio.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex -= MP2T_PACKET_LENGTH;\n        endIndex -= MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex--;\n      endIndex--;\n    }\n  };\n  /**\n   * walks through the segment data from the start and end to get timing information\n   * for the first and last video pes packets as well as timing information for the first\n   * key frame.\n   */\n\n\n  var parseVideoPes_ = function parseVideoPes_(bytes, pmt, result) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type,\n        pesType,\n        pusi,\n        parsed,\n        frame,\n        i,\n        pes;\n    var endLoop = false;\n    var currentFrame = {\n      data: [],\n      size: 0\n    }; // Start walking from start of segment to get first video packet\n\n    while (endIndex < bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'video') {\n              if (pusi && !endLoop) {\n                parsed = probe$2.ts.parsePesTime(packet);\n\n                if (parsed) {\n                  parsed.type = 'video';\n                  result.video.push(parsed);\n                  endLoop = true;\n                }\n              }\n\n              if (!result.firstKeyFrame) {\n                if (pusi) {\n                  if (currentFrame.size !== 0) {\n                    frame = new Uint8Array(currentFrame.size);\n                    i = 0;\n\n                    while (currentFrame.data.length) {\n                      pes = currentFrame.data.shift();\n                      frame.set(pes, i);\n                      i += pes.byteLength;\n                    }\n\n                    if (probe$2.ts.videoPacketContainsKeyFrame(frame)) {\n                      var firstKeyFrame = probe$2.ts.parsePesTime(frame); // PTS/DTS may not be available. Simply *not* setting\n                      // the keyframe seems to work fine with HLS playback\n                      // and definitely preferable to a crash with TypeError...\n\n                      if (firstKeyFrame) {\n                        result.firstKeyFrame = firstKeyFrame;\n                        result.firstKeyFrame.type = 'video';\n                      } else {\n                        // eslint-disable-next-line\n                        console.warn('Failed to extract PTS/DTS from PES at first keyframe. ' + 'This could be an unusual TS segment, or else mux.js did not ' + 'parse your TS segment correctly. If you know your TS ' + 'segments do contain PTS/DTS on keyframes please file a bug ' + 'report! You can try ffprobe to double check for yourself.');\n                      }\n                    }\n\n                    currentFrame.size = 0;\n                  }\n                }\n\n                currentFrame.data.push(packet);\n                currentFrame.size += packet.byteLength;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop && result.firstKeyFrame) {\n          break;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    } // Start walking from end of segment to get last video packet\n\n\n    endIndex = bytes.byteLength;\n    startIndex = endIndex - MP2T_PACKET_LENGTH;\n    endLoop = false;\n\n    while (startIndex >= 0) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'video' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'video';\n                result.video.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex -= MP2T_PACKET_LENGTH;\n        endIndex -= MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex--;\n      endIndex--;\n    }\n  };\n  /**\n   * Adjusts the timestamp information for the segment to account for\n   * rollover and convert to seconds based on pes packet timescale (90khz clock)\n   */\n\n\n  var adjustTimestamp_ = function adjustTimestamp_(segmentInfo, baseTimestamp) {\n    if (segmentInfo.audio && segmentInfo.audio.length) {\n      var audioBaseTimestamp = baseTimestamp;\n\n      if (typeof audioBaseTimestamp === 'undefined') {\n        audioBaseTimestamp = segmentInfo.audio[0].dts;\n      }\n\n      segmentInfo.audio.forEach(function (info) {\n        info.dts = handleRollover$1(info.dts, audioBaseTimestamp);\n        info.pts = handleRollover$1(info.pts, audioBaseTimestamp); // time in seconds\n\n        info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;\n        info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;\n      });\n    }\n\n    if (segmentInfo.video && segmentInfo.video.length) {\n      var videoBaseTimestamp = baseTimestamp;\n\n      if (typeof videoBaseTimestamp === 'undefined') {\n        videoBaseTimestamp = segmentInfo.video[0].dts;\n      }\n\n      segmentInfo.video.forEach(function (info) {\n        info.dts = handleRollover$1(info.dts, videoBaseTimestamp);\n        info.pts = handleRollover$1(info.pts, videoBaseTimestamp); // time in seconds\n\n        info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;\n        info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;\n      });\n\n      if (segmentInfo.firstKeyFrame) {\n        var frame = segmentInfo.firstKeyFrame;\n        frame.dts = handleRollover$1(frame.dts, videoBaseTimestamp);\n        frame.pts = handleRollover$1(frame.pts, videoBaseTimestamp); // time in seconds\n\n        frame.dtsTime = frame.dts / ONE_SECOND_IN_TS$1;\n        frame.ptsTime = frame.dts / ONE_SECOND_IN_TS$1;\n      }\n    }\n  };\n  /**\n   * inspects the aac data stream for start and end time information\n   */\n\n\n  var inspectAac_ = function inspectAac_(bytes) {\n    var endLoop = false,\n        audioCount = 0,\n        sampleRate = null,\n        timestamp = null,\n        frameSize = 0,\n        byteIndex = 0,\n        packet;\n\n    while (bytes.length - byteIndex >= 3) {\n      var type = probe$2.aac.parseType(bytes, byteIndex);\n\n      switch (type) {\n        case 'timed-metadata':\n          // Exit early because we don't have enough to parse\n          // the ID3 tag header\n          if (bytes.length - byteIndex < 10) {\n            endLoop = true;\n            break;\n          }\n\n          frameSize = probe$2.aac.parseId3TagSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer\n          // to emit a full packet\n\n          if (frameSize > bytes.length) {\n            endLoop = true;\n            break;\n          }\n\n          if (timestamp === null) {\n            packet = bytes.subarray(byteIndex, byteIndex + frameSize);\n            timestamp = probe$2.aac.parseAacTimestamp(packet);\n          }\n\n          byteIndex += frameSize;\n          break;\n\n        case 'audio':\n          // Exit early because we don't have enough to parse\n          // the ADTS frame header\n          if (bytes.length - byteIndex < 7) {\n            endLoop = true;\n            break;\n          }\n\n          frameSize = probe$2.aac.parseAdtsSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer\n          // to emit a full packet\n\n          if (frameSize > bytes.length) {\n            endLoop = true;\n            break;\n          }\n\n          if (sampleRate === null) {\n            packet = bytes.subarray(byteIndex, byteIndex + frameSize);\n            sampleRate = probe$2.aac.parseSampleRate(packet);\n          }\n\n          audioCount++;\n          byteIndex += frameSize;\n          break;\n\n        default:\n          byteIndex++;\n          break;\n      }\n\n      if (endLoop) {\n        return null;\n      }\n    }\n\n    if (sampleRate === null || timestamp === null) {\n      return null;\n    }\n\n    var audioTimescale = ONE_SECOND_IN_TS$1 / sampleRate;\n    var result = {\n      audio: [{\n        type: 'audio',\n        dts: timestamp,\n        pts: timestamp\n      }, {\n        type: 'audio',\n        dts: timestamp + audioCount * 1024 * audioTimescale,\n        pts: timestamp + audioCount * 1024 * audioTimescale\n      }]\n    };\n    return result;\n  };\n  /**\n   * inspects the transport stream segment data for start and end time information\n   * of the audio and video tracks (when present) as well as the first key frame's\n   * start time.\n   */\n\n\n  var inspectTs_ = function inspectTs_(bytes) {\n    var pmt = {\n      pid: null,\n      table: null\n    };\n    var result = {};\n    parsePsi_(bytes, pmt);\n\n    for (var pid in pmt.table) {\n      if (pmt.table.hasOwnProperty(pid)) {\n        var type = pmt.table[pid];\n\n        switch (type) {\n          case streamTypes.H264_STREAM_TYPE:\n            result.video = [];\n            parseVideoPes_(bytes, pmt, result);\n\n            if (result.video.length === 0) {\n              delete result.video;\n            }\n\n            break;\n\n          case streamTypes.ADTS_STREAM_TYPE:\n            result.audio = [];\n            parseAudioPes_(bytes, pmt, result);\n\n            if (result.audio.length === 0) {\n              delete result.audio;\n            }\n\n            break;\n\n          default:\n            break;\n        }\n      }\n    }\n\n    return result;\n  };\n  /**\n   * Inspects segment byte data and returns an object with start and end timing information\n   *\n   * @param {Uint8Array} bytes The segment byte data\n   * @param {Number} baseTimestamp Relative reference timestamp used when adjusting frame\n   *  timestamps for rollover. This value must be in 90khz clock.\n   * @return {Object} Object containing start and end frame timing info of segment.\n   */\n\n\n  var inspect = function inspect(bytes, baseTimestamp) {\n    var isAacData = probe$2.aac.isLikelyAacData(bytes);\n    var result;\n\n    if (isAacData) {\n      result = inspectAac_(bytes);\n    } else {\n      result = inspectTs_(bytes);\n    }\n\n    if (!result || !result.audio && !result.video) {\n      return null;\n    }\n\n    adjustTimestamp_(result, baseTimestamp);\n    return result;\n  };\n\n  var tsInspector = {\n    inspect: inspect,\n    parseAudioPes_: parseAudioPes_\n  };\n\n  /*\n   * pkcs7.pad\n   * https://github.com/brightcove/pkcs7\n   *\n   * Copyright (c) 2014 Brightcove\n   * Licensed under the apache2 license.\n   */\n  /**\n   * Returns the subarray of a Uint8Array without PKCS#7 padding.\n   * @param padded {Uint8Array} unencrypted bytes that have been padded\n   * @return {Uint8Array} the unpadded bytes\n   * @see http://tools.ietf.org/html/rfc5652\n   */\n\n  function unpad(padded) {\n    return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);\n  }\n\n  var classCallCheck = function classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var inherits$1 = function inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n  /**\n   * @file aes.js\n   *\n   * This file contains an adaptation of the AES decryption algorithm\n   * from the Standford Javascript Cryptography Library. That work is\n   * covered by the following copyright and permissions notice:\n   *\n   * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n   * All rights reserved.\n   *\n   * Redistribution and use in source and binary forms, with or without\n   * modification, are permitted provided that the following conditions are\n   * met:\n   *\n   * 1. Redistributions of source code must retain the above copyright\n   *    notice, this list of conditions and the following disclaimer.\n   *\n   * 2. Redistributions in binary form must reproduce the above\n   *    copyright notice, this list of conditions and the following\n   *    disclaimer in the documentation and/or other materials provided\n   *    with the distribution.\n   *\n   * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n   * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE\n   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n   * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n   * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n   *\n   * The views and conclusions contained in the software and documentation\n   * are those of the authors and should not be interpreted as representing\n   * official policies, either expressed or implied, of the authors.\n   */\n\n  /**\n   * Expand the S-box tables.\n   *\n   * @private\n   */\n\n\n  var precompute = function precompute() {\n    var tables = [[[], [], [], [], []], [[], [], [], [], []]];\n    var encTable = tables[0];\n    var decTable = tables[1];\n    var sbox = encTable[4];\n    var sboxInv = decTable[4];\n    var i = void 0;\n    var x = void 0;\n    var xInv = void 0;\n    var d = [];\n    var th = [];\n    var x2 = void 0;\n    var x4 = void 0;\n    var x8 = void 0;\n    var s = void 0;\n    var tEnc = void 0;\n    var tDec = void 0; // Compute double and third tables\n\n    for (i = 0; i < 256; i++) {\n      th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;\n    }\n\n    for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n      // Compute sbox\n      s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;\n      s = s >> 8 ^ s & 255 ^ 99;\n      sbox[x] = s;\n      sboxInv[s] = x; // Compute MixColumns\n\n      x8 = d[x4 = d[x2 = d[x]]];\n      tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;\n      tEnc = d[s] * 0x101 ^ s * 0x1010100;\n\n      for (i = 0; i < 4; i++) {\n        encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;\n        decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;\n      }\n    } // Compactify. Considerable speedup on Firefox.\n\n\n    for (i = 0; i < 5; i++) {\n      encTable[i] = encTable[i].slice(0);\n      decTable[i] = decTable[i].slice(0);\n    }\n\n    return tables;\n  };\n\n  var aesTables = null;\n  /**\n   * Schedule out an AES key for both encryption and decryption. This\n   * is a low-level class. Use a cipher mode to do bulk encryption.\n   *\n   * @class AES\n   * @param key {Array} The key as an array of 4, 6 or 8 words.\n   */\n\n  var AES = function () {\n    function AES(key) {\n      classCallCheck(this, AES);\n      /**\n       * The expanded S-box and inverse S-box tables. These will be computed\n       * on the client so that we don't have to send them down the wire.\n       *\n       * There are two tables, _tables[0] is for encryption and\n       * _tables[1] is for decryption.\n       *\n       * The first 4 sub-tables are the expanded S-box with MixColumns. The\n       * last (_tables[01][4]) is the S-box itself.\n       *\n       * @private\n       */\n      // if we have yet to precompute the S-box tables\n      // do so now\n\n      if (!aesTables) {\n        aesTables = precompute();\n      } // then make a copy of that object for use\n\n\n      this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];\n      var i = void 0;\n      var j = void 0;\n      var tmp = void 0;\n      var encKey = void 0;\n      var decKey = void 0;\n      var sbox = this._tables[0][4];\n      var decTable = this._tables[1];\n      var keyLen = key.length;\n      var rcon = 1;\n\n      if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n        throw new Error('Invalid aes key size');\n      }\n\n      encKey = key.slice(0);\n      decKey = [];\n      this._key = [encKey, decKey]; // schedule encryption keys\n\n      for (i = keyLen; i < 4 * keyLen + 28; i++) {\n        tmp = encKey[i - 1]; // apply sbox\n\n        if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {\n          tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon\n\n          if (i % keyLen === 0) {\n            tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;\n            rcon = rcon << 1 ^ (rcon >> 7) * 283;\n          }\n        }\n\n        encKey[i] = encKey[i - keyLen] ^ tmp;\n      } // schedule decryption keys\n\n\n      for (j = 0; i; j++, i--) {\n        tmp = encKey[j & 3 ? i : i - 4];\n\n        if (i <= 4 || j < 4) {\n          decKey[j] = tmp;\n        } else {\n          decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];\n        }\n      }\n    }\n    /**\n     * Decrypt 16 bytes, specified as four 32-bit words.\n     *\n     * @param {Number} encrypted0 the first word to decrypt\n     * @param {Number} encrypted1 the second word to decrypt\n     * @param {Number} encrypted2 the third word to decrypt\n     * @param {Number} encrypted3 the fourth word to decrypt\n     * @param {Int32Array} out the array to write the decrypted words\n     * into\n     * @param {Number} offset the offset into the output array to start\n     * writing results\n     * @return {Array} The plaintext.\n     */\n\n\n    AES.prototype.decrypt = function decrypt(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n      var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data\n\n      var a = encrypted0 ^ key[0];\n      var b = encrypted3 ^ key[1];\n      var c = encrypted2 ^ key[2];\n      var d = encrypted1 ^ key[3];\n      var a2 = void 0;\n      var b2 = void 0;\n      var c2 = void 0; // key.length === 2 ?\n\n      var nInnerRounds = key.length / 4 - 2;\n      var i = void 0;\n      var kIndex = 4;\n      var table = this._tables[1]; // load up the tables\n\n      var table0 = table[0];\n      var table1 = table[1];\n      var table2 = table[2];\n      var table3 = table[3];\n      var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.\n\n      for (i = 0; i < nInnerRounds; i++) {\n        a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];\n        b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n        c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n        d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n        kIndex += 4;\n        a = a2;\n        b = b2;\n        c = c2;\n      } // Last round.\n\n\n      for (i = 0; i < 4; i++) {\n        out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];\n        a2 = a;\n        a = b;\n        b = c;\n        c = d;\n        d = a2;\n      }\n    };\n\n    return AES;\n  }();\n  /**\n   * @file stream.js\n   */\n\n  /**\n   * A lightweight readable stream implemention that handles event dispatching.\n   *\n   * @class Stream\n   */\n\n\n  var Stream$2 = function () {\n    function Stream() {\n      classCallCheck(this, Stream);\n      this.listeners = {};\n    }\n    /**\n     * Add a listener for a specified event type.\n     *\n     * @param {String} type the event name\n     * @param {Function} listener the callback to be invoked when an event of\n     * the specified type occurs\n     */\n\n\n    Stream.prototype.on = function on(type, listener) {\n      if (!this.listeners[type]) {\n        this.listeners[type] = [];\n      }\n\n      this.listeners[type].push(listener);\n    };\n    /**\n     * Remove a listener for a specified event type.\n     *\n     * @param {String} type the event name\n     * @param {Function} listener  a function previously registered for this\n     * type of event through `on`\n     * @return {Boolean} if we could turn it off or not\n     */\n\n\n    Stream.prototype.off = function off(type, listener) {\n      if (!this.listeners[type]) {\n        return false;\n      }\n\n      var index = this.listeners[type].indexOf(listener);\n      this.listeners[type].splice(index, 1);\n      return index > -1;\n    };\n    /**\n     * Trigger an event of the specified type on this stream. Any additional\n     * arguments to this function are passed as parameters to event listeners.\n     *\n     * @param {String} type the event name\n     */\n\n\n    Stream.prototype.trigger = function trigger(type) {\n      var callbacks = this.listeners[type];\n\n      if (!callbacks) {\n        return;\n      } // Slicing the arguments on every invocation of this method\n      // can add a significant amount of overhead. Avoid the\n      // intermediate object creation for the common case of a\n      // single callback argument\n\n\n      if (arguments.length === 2) {\n        var length = callbacks.length;\n\n        for (var i = 0; i < length; ++i) {\n          callbacks[i].call(this, arguments[1]);\n        }\n      } else {\n        var args = Array.prototype.slice.call(arguments, 1);\n        var _length = callbacks.length;\n\n        for (var _i = 0; _i < _length; ++_i) {\n          callbacks[_i].apply(this, args);\n        }\n      }\n    };\n    /**\n     * Destroys the stream and cleans up.\n     */\n\n\n    Stream.prototype.dispose = function dispose() {\n      this.listeners = {};\n    };\n    /**\n     * Forwards all `data` events on this stream to the destination stream. The\n     * destination stream should provide a method `push` to receive the data\n     * events as they arrive.\n     *\n     * @param {Stream} destination the stream that will receive all `data` events\n     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n     */\n\n\n    Stream.prototype.pipe = function pipe(destination) {\n      this.on('data', function (data) {\n        destination.push(data);\n      });\n    };\n\n    return Stream;\n  }();\n  /**\n   * @file async-stream.js\n   */\n\n  /**\n   * A wrapper around the Stream class to use setTiemout\n   * and run stream \"jobs\" Asynchronously\n   *\n   * @class AsyncStream\n   * @extends Stream\n   */\n\n\n  var AsyncStream = function (_Stream) {\n    inherits$1(AsyncStream, _Stream);\n\n    function AsyncStream() {\n      classCallCheck(this, AsyncStream);\n\n      var _this = possibleConstructorReturn(this, _Stream.call(this, Stream$2));\n\n      _this.jobs = [];\n      _this.delay = 1;\n      _this.timeout_ = null;\n      return _this;\n    }\n    /**\n     * process an async job\n     *\n     * @private\n     */\n\n\n    AsyncStream.prototype.processJob_ = function processJob_() {\n      this.jobs.shift()();\n\n      if (this.jobs.length) {\n        this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n      } else {\n        this.timeout_ = null;\n      }\n    };\n    /**\n     * push a job into the stream\n     *\n     * @param {Function} job the job to push into the stream\n     */\n\n\n    AsyncStream.prototype.push = function push(job) {\n      this.jobs.push(job);\n\n      if (!this.timeout_) {\n        this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n      }\n    };\n\n    return AsyncStream;\n  }(Stream$2);\n  /**\n   * @file decrypter.js\n   *\n   * An asynchronous implementation of AES-128 CBC decryption with\n   * PKCS#7 padding.\n   */\n\n  /**\n   * Convert network-order (big-endian) bytes into their little-endian\n   * representation.\n   */\n\n\n  var ntoh = function ntoh(word) {\n    return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;\n  };\n  /**\n   * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n   *\n   * @param {Uint8Array} encrypted the encrypted bytes\n   * @param {Uint32Array} key the bytes of the decryption key\n   * @param {Uint32Array} initVector the initialization vector (IV) to\n   * use for the first round of CBC.\n   * @return {Uint8Array} the decrypted bytes\n   *\n   * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n   * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n   * @see https://tools.ietf.org/html/rfc2315\n   */\n\n\n  var decrypt = function decrypt(encrypted, key, initVector) {\n    // word-level access to the encrypted bytes\n    var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);\n    var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output\n\n    var decrypted = new Uint8Array(encrypted.byteLength);\n    var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and\n    // decrypted data\n\n    var init0 = void 0;\n    var init1 = void 0;\n    var init2 = void 0;\n    var init3 = void 0;\n    var encrypted0 = void 0;\n    var encrypted1 = void 0;\n    var encrypted2 = void 0;\n    var encrypted3 = void 0; // iteration variable\n\n    var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the\n    // passed-in reference and easier access\n\n    init0 = initVector[0];\n    init1 = initVector[1];\n    init2 = initVector[2];\n    init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)\n    // to each decrypted block\n\n    for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n      // convert big-endian (network order) words into little-endian\n      // (javascript order)\n      encrypted0 = ntoh(encrypted32[wordIx]);\n      encrypted1 = ntoh(encrypted32[wordIx + 1]);\n      encrypted2 = ntoh(encrypted32[wordIx + 2]);\n      encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block\n\n      decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the\n      // plaintext\n\n      decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);\n      decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);\n      decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);\n      decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round\n\n      init0 = encrypted0;\n      init1 = encrypted1;\n      init2 = encrypted2;\n      init3 = encrypted3;\n    }\n\n    return decrypted;\n  };\n  /**\n   * The `Decrypter` class that manages decryption of AES\n   * data through `AsyncStream` objects and the `decrypt`\n   * function\n   *\n   * @param {Uint8Array} encrypted the encrypted bytes\n   * @param {Uint32Array} key the bytes of the decryption key\n   * @param {Uint32Array} initVector the initialization vector (IV) to\n   * @param {Function} done the function to run when done\n   * @class Decrypter\n   */\n\n\n  var Decrypter = function () {\n    function Decrypter(encrypted, key, initVector, done) {\n      classCallCheck(this, Decrypter);\n      var step = Decrypter.STEP;\n      var encrypted32 = new Int32Array(encrypted.buffer);\n      var decrypted = new Uint8Array(encrypted.byteLength);\n      var i = 0;\n      this.asyncStream_ = new AsyncStream(); // split up the encryption job and do the individual chunks asynchronously\n\n      this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n\n      for (i = step; i < encrypted32.length; i += step) {\n        initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);\n        this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n      } // invoke the done() callback when everything is finished\n\n\n      this.asyncStream_.push(function () {\n        // remove pkcs#7 padding from the decrypted bytes\n        done(null, unpad(decrypted));\n      });\n    }\n    /**\n     * a getter for step the maximum number of bytes to process at one time\n     *\n     * @return {Number} the value of step 32000\n     */\n\n    /**\n     * @private\n     */\n\n\n    Decrypter.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {\n      return function () {\n        var bytes = decrypt(encrypted, key, initVector);\n        decrypted.set(bytes, encrypted.byteOffset);\n      };\n    };\n\n    createClass(Decrypter, null, [{\n      key: 'STEP',\n      get: function get$$1() {\n        // 4 * 8000;\n        return 32000;\n      }\n    }]);\n    return Decrypter;\n  }();\n\n  /**\n   * @videojs/http-streaming\n   * @version 1.12.3\n   * @copyright 2020 Brightcove, Inc\n   * @license Apache-2.0\n   */\n  /**\n   * @file resolve-url.js - Handling how URLs are resolved and manipulated\n   */\n\n  var resolveUrl$1 = function resolveUrl(baseURL, relativeURL) {\n    // return early if we don't need to resolve\n    if (/^[a-z]+:/i.test(relativeURL)) {\n      return relativeURL;\n    } // if the base URL is relative then combine with the current location\n\n\n    if (!/\\/\\//i.test(baseURL)) {\n      baseURL = urlToolkit.buildAbsoluteURL(window$3.location.href, baseURL);\n    }\n\n    return urlToolkit.buildAbsoluteURL(baseURL, relativeURL);\n  };\n  /**\n   * Checks whether xhr request was redirected and returns correct url depending\n   * on `handleManifestRedirects` option\n   *\n   * @api private\n   *\n   * @param  {String} url - an url being requested\n   * @param  {XMLHttpRequest} req - xhr request result\n   *\n   * @return {String}\n   */\n\n\n  var resolveManifestRedirect = function resolveManifestRedirect(handleManifestRedirect, url, req) {\n    // To understand how the responseURL below is set and generated:\n    // - https://fetch.spec.whatwg.org/#concept-response-url\n    // - https://fetch.spec.whatwg.org/#atomic-http-redirect-handling\n    if (handleManifestRedirect && req.responseURL && url !== req.responseURL) {\n      return req.responseURL;\n    }\n\n    return url;\n  };\n\n  var classCallCheck$1 = function classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass$1 = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var get$1 = function get(object, property, receiver) {\n    if (object === null) object = Function.prototype;\n    var desc = Object.getOwnPropertyDescriptor(object, property);\n\n    if (desc === undefined) {\n      var parent = Object.getPrototypeOf(object);\n\n      if (parent === null) {\n        return undefined;\n      } else {\n        return get(parent, property, receiver);\n      }\n    } else if (\"value\" in desc) {\n      return desc.value;\n    } else {\n      var getter = desc.get;\n\n      if (getter === undefined) {\n        return undefined;\n      }\n\n      return getter.call(receiver);\n    }\n  };\n\n  var inherits$2 = function inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn$1 = function possibleConstructorReturn(self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n\n  var slicedToArray = function () {\n    function sliceIterator(arr, i) {\n      var _arr = [];\n      var _n = true;\n      var _d = false;\n      var _e = undefined;\n\n      try {\n        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n          _arr.push(_s.value);\n\n          if (i && _arr.length === i) break;\n        }\n      } catch (err) {\n        _d = true;\n        _e = err;\n      } finally {\n        try {\n          if (!_n && _i[\"return\"]) _i[\"return\"]();\n        } finally {\n          if (_d) throw _e;\n        }\n      }\n\n      return _arr;\n    }\n\n    return function (arr, i) {\n      if (Array.isArray(arr)) {\n        return arr;\n      } else if (Symbol.iterator in Object(arr)) {\n        return sliceIterator(arr, i);\n      } else {\n        throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n      }\n    };\n  }();\n  /**\n   * @file playlist-loader.js\n   *\n   * A state machine that manages the loading, caching, and updating of\n   * M3U8 playlists.\n   *\n   */\n\n\n  var mergeOptions$1 = videojs$1.mergeOptions,\n      EventTarget$1 = videojs$1.EventTarget,\n      log$1 = videojs$1.log;\n  /**\n   * Loops through all supported media groups in master and calls the provided\n   * callback for each group\n   *\n   * @param {Object} master\n   *        The parsed master manifest object\n   * @param {Function} callback\n   *        Callback to call for each media group\n   */\n\n  var forEachMediaGroup = function forEachMediaGroup(master, callback) {\n    ['AUDIO', 'SUBTITLES'].forEach(function (mediaType) {\n      for (var groupKey in master.mediaGroups[mediaType]) {\n        for (var labelKey in master.mediaGroups[mediaType][groupKey]) {\n          var mediaProperties = master.mediaGroups[mediaType][groupKey][labelKey];\n          callback(mediaProperties, mediaType, groupKey, labelKey);\n        }\n      }\n    });\n  };\n  /**\n    * Returns a new array of segments that is the result of merging\n    * properties from an older list of segments onto an updated\n    * list. No properties on the updated playlist will be overridden.\n    *\n    * @param {Array} original the outdated list of segments\n    * @param {Array} update the updated list of segments\n    * @param {Number=} offset the index of the first update\n    * segment in the original segment list. For non-live playlists,\n    * this should always be zero and does not need to be\n    * specified. For live playlists, it should be the difference\n    * between the media sequence numbers in the original and updated\n    * playlists.\n    * @return a list of merged segment objects\n    */\n\n\n  var updateSegments = function updateSegments(original, update, offset) {\n    var result = update.slice();\n    offset = offset || 0;\n    var length = Math.min(original.length, update.length + offset);\n\n    for (var i = offset; i < length; i++) {\n      result[i - offset] = mergeOptions$1(original[i], result[i - offset]);\n    }\n\n    return result;\n  };\n\n  var resolveSegmentUris = function resolveSegmentUris(segment, baseUri) {\n    if (!segment.resolvedUri) {\n      segment.resolvedUri = resolveUrl$1(baseUri, segment.uri);\n    }\n\n    if (segment.key && !segment.key.resolvedUri) {\n      segment.key.resolvedUri = resolveUrl$1(baseUri, segment.key.uri);\n    }\n\n    if (segment.map && !segment.map.resolvedUri) {\n      segment.map.resolvedUri = resolveUrl$1(baseUri, segment.map.uri);\n    }\n  };\n  /**\n    * Returns a new master playlist that is the result of merging an\n    * updated media playlist into the original version. If the\n    * updated media playlist does not match any of the playlist\n    * entries in the original master playlist, null is returned.\n    *\n    * @param {Object} master a parsed master M3U8 object\n    * @param {Object} media a parsed media M3U8 object\n    * @return {Object} a new object that represents the original\n    * master playlist with the updated media playlist merged in, or\n    * null if the merge produced no change.\n    */\n\n\n  var updateMaster = function updateMaster(master, media) {\n    var result = mergeOptions$1(master, {});\n    var playlist = result.playlists[media.id];\n\n    if (!playlist) {\n      return null;\n    } // consider the playlist unchanged if the number of segments is equal, the media\n    // sequence number is unchanged, and this playlist hasn't become the end of the playlist\n\n\n    if (playlist.segments && media.segments && playlist.segments.length === media.segments.length && playlist.endList === media.endList && playlist.mediaSequence === media.mediaSequence) {\n      return null;\n    }\n\n    var mergedPlaylist = mergeOptions$1(playlist, media); // if the update could overlap existing segment information, merge the two segment lists\n\n    if (playlist.segments) {\n      mergedPlaylist.segments = updateSegments(playlist.segments, media.segments, media.mediaSequence - playlist.mediaSequence);\n    } // resolve any segment URIs to prevent us from having to do it later\n\n\n    mergedPlaylist.segments.forEach(function (segment) {\n      resolveSegmentUris(segment, mergedPlaylist.resolvedUri);\n    }); // TODO Right now in the playlists array there are two references to each playlist, one\n    // that is referenced by index, and one by URI. The index reference may no longer be\n    // necessary.\n\n    for (var i = 0; i < result.playlists.length; i++) {\n      if (result.playlists[i].id === media.id) {\n        result.playlists[i] = mergedPlaylist;\n      }\n    }\n\n    result.playlists[media.id] = mergedPlaylist; // URI reference added for backwards compatibility\n\n    result.playlists[media.uri] = mergedPlaylist;\n    return result;\n  };\n\n  var createPlaylistID = function createPlaylistID(index, uri) {\n    return index + '-' + uri;\n  };\n\n  var setupMediaPlaylists = function setupMediaPlaylists(master) {\n    // setup by-URI lookups and resolve media playlist URIs\n    var i = master.playlists.length;\n\n    while (i--) {\n      var playlist = master.playlists[i];\n      playlist.resolvedUri = resolveUrl$1(master.uri, playlist.uri);\n      playlist.id = createPlaylistID(i, playlist.uri);\n      master.playlists[playlist.id] = playlist; // URI reference added for backwards compatibility\n\n      master.playlists[playlist.uri] = playlist;\n\n      if (!playlist.attributes) {\n        // Although the spec states an #EXT-X-STREAM-INF tag MUST have a\n        // BANDWIDTH attribute, we can play the stream without it. This means a poorly\n        // formatted master playlist may not have an attribute list. An attributes\n        // property is added here to prevent undefined references when we encounter\n        // this scenario.\n        playlist.attributes = {};\n        log$1.warn('Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute.');\n      }\n    }\n  };\n\n  var resolveMediaGroupUris = function resolveMediaGroupUris(master) {\n    forEachMediaGroup(master, function (properties) {\n      if (properties.uri) {\n        properties.resolvedUri = resolveUrl$1(master.uri, properties.uri);\n      }\n    });\n  };\n  /**\n   * Calculates the time to wait before refreshing a live playlist\n   *\n   * @param {Object} media\n   *        The current media\n   * @param {Boolean} update\n   *        True if there were any updates from the last refresh, false otherwise\n   * @return {Number}\n   *         The time in ms to wait before refreshing the live playlist\n   */\n\n\n  var refreshDelay = function refreshDelay(media, update) {\n    var lastSegment = media.segments[media.segments.length - 1];\n    var delay = void 0;\n\n    if (update && lastSegment && lastSegment.duration) {\n      delay = lastSegment.duration * 1000;\n    } else {\n      // if the playlist is unchanged since the last reload or last segment duration\n      // cannot be determined, try again after half the target duration\n      delay = (media.targetDuration || 10) * 500;\n    }\n\n    return delay;\n  };\n  /**\n   * Load a playlist from a remote location\n   *\n   * @class PlaylistLoader\n   * @extends Stream\n   * @param {String} srcUrl the url to start with\n   * @param {Boolean} withCredentials the withCredentials xhr option\n   * @constructor\n   */\n\n\n  var PlaylistLoader = function (_EventTarget) {\n    inherits$2(PlaylistLoader, _EventTarget);\n\n    function PlaylistLoader(srcUrl, hls) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      classCallCheck$1(this, PlaylistLoader);\n\n      var _this = possibleConstructorReturn$1(this, (PlaylistLoader.__proto__ || Object.getPrototypeOf(PlaylistLoader)).call(this));\n\n      var _options$withCredenti = options.withCredentials,\n          withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,\n          _options$handleManife = options.handleManifestRedirects,\n          handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;\n      _this.srcUrl = srcUrl;\n      _this.hls_ = hls;\n      _this.withCredentials = withCredentials;\n      _this.handleManifestRedirects = handleManifestRedirects;\n      var hlsOptions = hls.options_;\n      _this.customTagParsers = hlsOptions && hlsOptions.customTagParsers || [];\n      _this.customTagMappers = hlsOptions && hlsOptions.customTagMappers || [];\n\n      if (!_this.srcUrl) {\n        throw new Error('A non-empty playlist URL is required');\n      } // initialize the loader state\n\n\n      _this.state = 'HAVE_NOTHING'; // live playlist staleness timeout\n\n      _this.on('mediaupdatetimeout', function () {\n        if (_this.state !== 'HAVE_METADATA') {\n          // only refresh the media playlist if no other activity is going on\n          return;\n        }\n\n        _this.state = 'HAVE_CURRENT_METADATA';\n        _this.request = _this.hls_.xhr({\n          uri: resolveUrl$1(_this.master.uri, _this.media().uri),\n          withCredentials: _this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this.request) {\n            return;\n          }\n\n          if (error) {\n            return _this.playlistRequestError(_this.request, _this.media(), 'HAVE_METADATA');\n          }\n\n          _this.haveMetadata(_this.request, _this.media().uri, _this.media().id);\n        });\n      });\n\n      return _this;\n    }\n\n    createClass$1(PlaylistLoader, [{\n      key: 'playlistRequestError',\n      value: function playlistRequestError(xhr, playlist, startingState) {\n        var uri = playlist.uri,\n            id = playlist.id; // any in-flight request is now finished\n\n        this.request = null;\n\n        if (startingState) {\n          this.state = startingState;\n        }\n\n        this.error = {\n          playlist: this.master.playlists[id],\n          status: xhr.status,\n          message: 'HLS playlist request error at URL: ' + uri + '.',\n          responseText: xhr.responseText,\n          code: xhr.status >= 500 ? 4 : 2\n        };\n        this.trigger('error');\n      } // update the playlist loader's state in response to a new or\n      // updated playlist.\n\n    }, {\n      key: 'haveMetadata',\n      value: function haveMetadata(xhr, url, id) {\n        var _this2 = this; // any in-flight request is now finished\n\n\n        this.request = null;\n        this.state = 'HAVE_METADATA';\n        var parser = new Parser(); // adding custom tag parsers\n\n        this.customTagParsers.forEach(function (customParser) {\n          return parser.addParser(customParser);\n        }); // adding custom tag mappers\n\n        this.customTagMappers.forEach(function (mapper) {\n          return parser.addTagMapper(mapper);\n        });\n        parser.push(xhr.responseText);\n        parser.end();\n        parser.manifest.uri = url;\n        parser.manifest.id = id; // m3u8-parser does not attach an attributes property to media playlists so make\n        // sure that the property is attached to avoid undefined reference errors\n\n        parser.manifest.attributes = parser.manifest.attributes || {}; // merge this playlist into the master\n\n        var update = updateMaster(this.master, parser.manifest);\n        this.targetDuration = parser.manifest.targetDuration;\n\n        if (update) {\n          this.master = update;\n          this.media_ = this.master.playlists[id];\n        } else {\n          this.trigger('playlistunchanged');\n        } // refresh live playlists after a target duration passes\n\n\n        if (!this.media().endList) {\n          window$3.clearTimeout(this.mediaUpdateTimeout);\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            _this2.trigger('mediaupdatetimeout');\n          }, refreshDelay(this.media(), !!update));\n        }\n\n        this.trigger('loadedplaylist');\n      }\n      /**\n       * Abort any outstanding work and clean up.\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.finalRenditionTimeout);\n        this.off();\n      }\n    }, {\n      key: 'stopRequest',\n      value: function stopRequest() {\n        if (this.request) {\n          var oldRequest = this.request;\n          this.request = null;\n          oldRequest.onreadystatechange = null;\n          oldRequest.abort();\n        }\n      }\n      /**\n       * When called without any arguments, returns the currently\n       * active media playlist. When called with a single argument,\n       * triggers the playlist loader to asynchronously switch to the\n       * specified media playlist. Calling this method while the\n       * loader is in the HAVE_NOTHING causes an error to be emitted\n       * but otherwise has no effect.\n       *\n       * @param {Object=} playlist the parsed media playlist\n       * object to switch to\n       * @param {Boolean=} is this the last available playlist\n       *\n       * @return {Playlist} the current loaded media\n       */\n\n    }, {\n      key: 'media',\n      value: function media(playlist, isFinalRendition) {\n        var _this3 = this; // getter\n\n\n        if (!playlist) {\n          return this.media_;\n        } // setter\n\n\n        if (this.state === 'HAVE_NOTHING') {\n          throw new Error('Cannot switch media playlist from ' + this.state);\n        } // find the playlist object if the target playlist has been\n        // specified by URI\n\n\n        if (typeof playlist === 'string') {\n          if (!this.master.playlists[playlist]) {\n            throw new Error('Unknown playlist URI: ' + playlist);\n          }\n\n          playlist = this.master.playlists[playlist];\n        }\n\n        window$3.clearTimeout(this.finalRenditionTimeout);\n\n        if (isFinalRendition) {\n          var delay = playlist.targetDuration / 2 * 1000 || 5 * 1000;\n          this.finalRenditionTimeout = window$3.setTimeout(this.media.bind(this, playlist, false), delay);\n          return;\n        }\n\n        var startingState = this.state;\n        var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to fully loaded playlists immediately\n\n        if (this.master.playlists[playlist.id].endList) {\n          // abort outstanding playlist requests\n          if (this.request) {\n            this.request.onreadystatechange = null;\n            this.request.abort();\n            this.request = null;\n          }\n\n          this.state = 'HAVE_METADATA';\n          this.media_ = playlist; // trigger media change if the active media has been updated\n\n          if (mediaChange) {\n            this.trigger('mediachanging');\n            this.trigger('mediachange');\n          }\n\n          return;\n        } // switching to the active playlist is a no-op\n\n\n        if (!mediaChange) {\n          return;\n        }\n\n        this.state = 'SWITCHING_MEDIA'; // there is already an outstanding playlist request\n\n        if (this.request) {\n          if (playlist.resolvedUri === this.request.url) {\n            // requesting to switch to the same playlist multiple times\n            // has no effect after the first\n            return;\n          }\n\n          this.request.onreadystatechange = null;\n          this.request.abort();\n          this.request = null;\n        } // request the new playlist\n\n\n        if (this.media_) {\n          this.trigger('mediachanging');\n        }\n\n        this.request = this.hls_.xhr({\n          uri: playlist.resolvedUri,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this3.request) {\n            return;\n          }\n\n          playlist.resolvedUri = resolveManifestRedirect(_this3.handleManifestRedirects, playlist.resolvedUri, req);\n\n          if (error) {\n            return _this3.playlistRequestError(_this3.request, playlist, startingState);\n          }\n\n          _this3.haveMetadata(req, playlist.uri, playlist.id); // fire loadedmetadata the first time a media playlist is loaded\n\n\n          if (startingState === 'HAVE_MASTER') {\n            _this3.trigger('loadedmetadata');\n          } else {\n            _this3.trigger('mediachange');\n          }\n        });\n      }\n      /**\n       * pause loading of the playlist\n       */\n\n    }, {\n      key: 'pause',\n      value: function pause() {\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n\n        if (this.state === 'HAVE_NOTHING') {\n          // If we pause the loader before any data has been retrieved, its as if we never\n          // started, so reset to an unstarted state.\n          this.started = false;\n        } // Need to restore state now that no activity is happening\n\n\n        if (this.state === 'SWITCHING_MEDIA') {\n          // if the loader was in the process of switching media, it should either return to\n          // HAVE_MASTER or HAVE_METADATA depending on if the loader has loaded a media\n          // playlist yet. This is determined by the existence of loader.media_\n          if (this.media_) {\n            this.state = 'HAVE_METADATA';\n          } else {\n            this.state = 'HAVE_MASTER';\n          }\n        } else if (this.state === 'HAVE_CURRENT_METADATA') {\n          this.state = 'HAVE_METADATA';\n        }\n      }\n      /**\n       * start loading of the playlist\n       */\n\n    }, {\n      key: 'load',\n      value: function load(isFinalRendition) {\n        var _this4 = this;\n\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        var media = this.media();\n\n        if (isFinalRendition) {\n          var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            return _this4.load();\n          }, delay);\n          return;\n        }\n\n        if (!this.started) {\n          this.start();\n          return;\n        }\n\n        if (media && !media.endList) {\n          this.trigger('mediaupdatetimeout');\n        } else {\n          this.trigger('loadedplaylist');\n        }\n      }\n      /**\n       * start loading of the playlist\n       */\n\n    }, {\n      key: 'start',\n      value: function start() {\n        var _this5 = this;\n\n        this.started = true; // request the specified URL\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this5.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this5.request = null;\n\n          if (error) {\n            _this5.error = {\n              status: req.status,\n              message: 'HLS playlist request error at URL: ' + _this5.srcUrl + '.',\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this5.state === 'HAVE_NOTHING') {\n              _this5.started = false;\n            }\n\n            return _this5.trigger('error');\n          }\n\n          var parser = new Parser(); // adding custom tag parsers\n\n          _this5.customTagParsers.forEach(function (customParser) {\n            return parser.addParser(customParser);\n          }); // adding custom tag mappers\n\n\n          _this5.customTagMappers.forEach(function (mapper) {\n            return parser.addTagMapper(mapper);\n          });\n\n          parser.push(req.responseText);\n          parser.end();\n          _this5.state = 'HAVE_MASTER';\n          _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);\n          parser.manifest.uri = _this5.srcUrl; // loaded a master playlist\n\n          if (parser.manifest.playlists) {\n            _this5.master = parser.manifest;\n            setupMediaPlaylists(_this5.master);\n            resolveMediaGroupUris(_this5.master);\n\n            _this5.trigger('loadedplaylist');\n\n            if (!_this5.request) {\n              // no media playlist was specifically selected so start\n              // from the first listed one\n              _this5.media(parser.manifest.playlists[0]);\n            }\n\n            return;\n          }\n\n          var id = createPlaylistID(0, _this5.srcUrl); // loaded a media playlist\n          // infer a master playlist if none was previously requested\n\n          _this5.master = {\n            mediaGroups: {\n              'AUDIO': {},\n              'VIDEO': {},\n              'CLOSED-CAPTIONS': {},\n              'SUBTITLES': {}\n            },\n            uri: window$3.location.href,\n            playlists: [{\n              uri: _this5.srcUrl,\n              id: id,\n              resolvedUri: _this5.srcUrl,\n              // m3u8-parser does not attach an attributes property to media playlists so make\n              // sure that the property is attached to avoid undefined reference errors\n              attributes: {}\n            }]\n          };\n          _this5.master.playlists[id] = _this5.master.playlists[0]; // URI reference added for backwards compatibility\n\n          _this5.master.playlists[_this5.srcUrl] = _this5.master.playlists[0];\n\n          _this5.haveMetadata(req, _this5.srcUrl, id);\n\n          return _this5.trigger('loadedmetadata');\n        });\n      }\n    }]);\n    return PlaylistLoader;\n  }(EventTarget$1);\n  /**\n   * @file playlist.js\n   *\n   * Playlist related utilities.\n   */\n\n\n  var createTimeRange = videojs$1.createTimeRange;\n  /**\n   * walk backward until we find a duration we can use\n   * or return a failure\n   *\n   * @param {Playlist} playlist the playlist to walk through\n   * @param {Number} endSequence the mediaSequence to stop walking on\n   */\n\n  var backwardDuration = function backwardDuration(playlist, endSequence) {\n    var result = 0;\n    var i = endSequence - playlist.mediaSequence; // if a start time is available for segment immediately following\n    // the interval, use it\n\n    var segment = playlist.segments[i]; // Walk backward until we find the latest segment with timeline\n    // information that is earlier than endSequence\n\n    if (segment) {\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: segment.start,\n          precise: true\n        };\n      }\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: segment.end - segment.duration,\n          precise: true\n        };\n      }\n    }\n\n    while (i--) {\n      segment = playlist.segments[i];\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: result + segment.end,\n          precise: true\n        };\n      }\n\n      result += segment.duration;\n\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: result + segment.start,\n          precise: true\n        };\n      }\n    }\n\n    return {\n      result: result,\n      precise: false\n    };\n  };\n  /**\n   * walk forward until we find a duration we can use\n   * or return a failure\n   *\n   * @param {Playlist} playlist the playlist to walk through\n   * @param {Number} endSequence the mediaSequence to stop walking on\n   */\n\n\n  var forwardDuration = function forwardDuration(playlist, endSequence) {\n    var result = 0;\n    var segment = void 0;\n    var i = endSequence - playlist.mediaSequence; // Walk forward until we find the earliest segment with timeline\n    // information\n\n    for (; i < playlist.segments.length; i++) {\n      segment = playlist.segments[i];\n\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: segment.start - result,\n          precise: true\n        };\n      }\n\n      result += segment.duration;\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: segment.end - result,\n          precise: true\n        };\n      }\n    } // indicate we didn't find a useful duration estimate\n\n\n    return {\n      result: -1,\n      precise: false\n    };\n  };\n  /**\n    * Calculate the media duration from the segments associated with a\n    * playlist. The duration of a subinterval of the available segments\n    * may be calculated by specifying an end index.\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number=} endSequence an exclusive upper boundary\n    * for the playlist.  Defaults to playlist length.\n    * @param {Number} expired the amount of time that has dropped\n    * off the front of the playlist in a live scenario\n    * @return {Number} the duration between the first available segment\n    * and end index.\n    */\n\n\n  var intervalDuration = function intervalDuration(playlist, endSequence, expired) {\n    var backward = void 0;\n    var forward = void 0;\n\n    if (typeof endSequence === 'undefined') {\n      endSequence = playlist.mediaSequence + playlist.segments.length;\n    }\n\n    if (endSequence < playlist.mediaSequence) {\n      return 0;\n    } // do a backward walk to estimate the duration\n\n\n    backward = backwardDuration(playlist, endSequence);\n\n    if (backward.precise) {\n      // if we were able to base our duration estimate on timing\n      // information provided directly from the Media Source, return\n      // it\n      return backward.result;\n    } // walk forward to see if a precise duration estimate can be made\n    // that way\n\n\n    forward = forwardDuration(playlist, endSequence);\n\n    if (forward.precise) {\n      // we found a segment that has been buffered and so it's\n      // position is known precisely\n      return forward.result;\n    } // return the less-precise, playlist-based duration estimate\n\n\n    return backward.result + expired;\n  };\n  /**\n    * Calculates the duration of a playlist. If a start and end index\n    * are specified, the duration will be for the subset of the media\n    * timeline between those two indices. The total duration for live\n    * playlists is always Infinity.\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number=} endSequence an exclusive upper\n    * boundary for the playlist. Defaults to the playlist media\n    * sequence number plus its length.\n    * @param {Number=} expired the amount of time that has\n    * dropped off the front of the playlist in a live scenario\n    * @return {Number} the duration between the start index and end\n    * index.\n    */\n\n\n  var duration = function duration(playlist, endSequence, expired) {\n    if (!playlist) {\n      return 0;\n    }\n\n    if (typeof expired !== 'number') {\n      expired = 0;\n    } // if a slice of the total duration is not requested, use\n    // playlist-level duration indicators when they're present\n\n\n    if (typeof endSequence === 'undefined') {\n      // if present, use the duration specified in the playlist\n      if (playlist.totalDuration) {\n        return playlist.totalDuration;\n      } // duration should be Infinity for live playlists\n\n\n      if (!playlist.endList) {\n        return window$3.Infinity;\n      }\n    } // calculate the total duration based on the segment durations\n\n\n    return intervalDuration(playlist, endSequence, expired);\n  };\n  /**\n    * Calculate the time between two indexes in the current playlist\n    * neight the start- nor the end-index need to be within the current\n    * playlist in which case, the targetDuration of the playlist is used\n    * to approximate the durations of the segments\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number} startIndex\n    * @param {Number} endIndex\n    * @return {Number} the number of seconds between startIndex and endIndex\n    */\n\n\n  var sumDurations = function sumDurations(playlist, startIndex, endIndex) {\n    var durations = 0;\n\n    if (startIndex > endIndex) {\n      var _ref = [endIndex, startIndex];\n      startIndex = _ref[0];\n      endIndex = _ref[1];\n    }\n\n    if (startIndex < 0) {\n      for (var i = startIndex; i < Math.min(0, endIndex); i++) {\n        durations += playlist.targetDuration;\n      }\n\n      startIndex = 0;\n    }\n\n    for (var _i = startIndex; _i < endIndex; _i++) {\n      durations += playlist.segments[_i].duration;\n    }\n\n    return durations;\n  };\n  /**\n   * Determines the media index of the segment corresponding to the safe edge of the live\n   * window which is the duration of the last segment plus 2 target durations from the end\n   * of the playlist.\n   *\n   * A liveEdgePadding can be provided which will be used instead of calculating the safe live edge.\n   * This corresponds to suggestedPresentationDelay in DASH manifests.\n   *\n   * @param {Object} playlist\n   *        a media playlist object\n   * @param {Number} [liveEdgePadding]\n   *        A number in seconds indicating how far from the end we want to be.\n   *        If provided, this value is used instead of calculating the safe live index from the target durations.\n   *        Corresponds to suggestedPresentationDelay in DASH manifests.\n   * @return {Number}\n   *         The media index of the segment at the safe live point. 0 if there is no \"safe\"\n   *         point.\n   * @function safeLiveIndex\n   */\n\n\n  var safeLiveIndex = function safeLiveIndex(playlist, liveEdgePadding) {\n    if (!playlist.segments.length) {\n      return 0;\n    }\n\n    var i = playlist.segments.length;\n    var lastSegmentDuration = playlist.segments[i - 1].duration || playlist.targetDuration;\n    var safeDistance = typeof liveEdgePadding === 'number' ? liveEdgePadding : lastSegmentDuration + playlist.targetDuration * 2;\n\n    if (safeDistance === 0) {\n      return i;\n    }\n\n    var distanceFromEnd = 0;\n\n    while (i--) {\n      distanceFromEnd += playlist.segments[i].duration;\n\n      if (distanceFromEnd >= safeDistance) {\n        break;\n      }\n    }\n\n    return Math.max(0, i);\n  };\n  /**\n   * Calculates the playlist end time\n   *\n   * @param {Object} playlist a media playlist object\n   * @param {Number=} expired the amount of time that has\n   *                  dropped off the front of the playlist in a live scenario\n   * @param {Boolean|false} useSafeLiveEnd a boolean value indicating whether or not the\n   *                        playlist end calculation should consider the safe live end\n   *                        (truncate the playlist end by three segments). This is normally\n   *                        used for calculating the end of the playlist's seekable range.\n   *                        This takes into account the value of liveEdgePadding.\n   *                        Setting liveEdgePadding to 0 is equivalent to setting this to false.\n   * @param {Number} liveEdgePadding a number indicating how far from the end of the playlist we should be in seconds.\n   *                 If this is provided, it is used in the safe live end calculation.\n   *                 Setting useSafeLiveEnd=false or liveEdgePadding=0 are equivalent.\n   *                 Corresponds to suggestedPresentationDelay in DASH manifests.\n   * @returns {Number} the end time of playlist\n   * @function playlistEnd\n   */\n\n\n  var playlistEnd = function playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding) {\n    if (!playlist || !playlist.segments) {\n      return null;\n    }\n\n    if (playlist.endList) {\n      return duration(playlist);\n    }\n\n    if (expired === null) {\n      return null;\n    }\n\n    expired = expired || 0;\n    var endSequence = useSafeLiveEnd ? safeLiveIndex(playlist, liveEdgePadding) : playlist.segments.length;\n    return intervalDuration(playlist, playlist.mediaSequence + endSequence, expired);\n  };\n  /**\n    * Calculates the interval of time that is currently seekable in a\n    * playlist. The returned time ranges are relative to the earliest\n    * moment in the specified playlist that is still available. A full\n    * seekable implementation for live streams would need to offset\n    * these values by the duration of content that has expired from the\n    * stream.\n    *\n    * @param {Object} playlist a media playlist object\n    * dropped off the front of the playlist in a live scenario\n    * @param {Number=} expired the amount of time that has\n    * dropped off the front of the playlist in a live scenario\n    * @param {Number} liveEdgePadding how far from the end of the playlist we should be in seconds.\n    *        Corresponds to suggestedPresentationDelay in DASH manifests.\n    * @return {TimeRanges} the periods of time that are valid targets\n    * for seeking\n    */\n\n\n  var seekable = function seekable(playlist, expired, liveEdgePadding) {\n    var useSafeLiveEnd = true;\n    var seekableStart = expired || 0;\n    var seekableEnd = playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding);\n\n    if (seekableEnd === null) {\n      return createTimeRange();\n    }\n\n    return createTimeRange(seekableStart, seekableEnd);\n  };\n\n  var isWholeNumber = function isWholeNumber(num) {\n    return num - Math.floor(num) === 0;\n  };\n\n  var roundSignificantDigit = function roundSignificantDigit(increment, num) {\n    // If we have a whole number, just add 1 to it\n    if (isWholeNumber(num)) {\n      return num + increment * 0.1;\n    }\n\n    var numDecimalDigits = num.toString().split('.')[1].length;\n\n    for (var i = 1; i <= numDecimalDigits; i++) {\n      var scale = Math.pow(10, i);\n      var temp = num * scale;\n\n      if (isWholeNumber(temp) || i === numDecimalDigits) {\n        return (temp + increment) / scale;\n      }\n    }\n  };\n\n  var ceilLeastSignificantDigit = roundSignificantDigit.bind(null, 1);\n  var floorLeastSignificantDigit = roundSignificantDigit.bind(null, -1);\n  /**\n   * Determine the index and estimated starting time of the segment that\n   * contains a specified playback position in a media playlist.\n   *\n   * @param {Object} playlist the media playlist to query\n   * @param {Number} currentTime The number of seconds since the earliest\n   * possible position to determine the containing segment for\n   * @param {Number} startIndex\n   * @param {Number} startTime\n   * @return {Object}\n   */\n\n  var getMediaInfoForTime = function getMediaInfoForTime(playlist, currentTime, startIndex, startTime) {\n    var i = void 0;\n    var segment = void 0;\n    var numSegments = playlist.segments.length;\n    var time = currentTime - startTime;\n\n    if (time < 0) {\n      // Walk backward from startIndex in the playlist, adding durations\n      // until we find a segment that contains `time` and return it\n      if (startIndex > 0) {\n        for (i = startIndex - 1; i >= 0; i--) {\n          segment = playlist.segments[i];\n          time += floorLeastSignificantDigit(segment.duration);\n\n          if (time > 0) {\n            return {\n              mediaIndex: i,\n              startTime: startTime - sumDurations(playlist, startIndex, i)\n            };\n          }\n        }\n      } // We were unable to find a good segment within the playlist\n      // so select the first segment\n\n\n      return {\n        mediaIndex: 0,\n        startTime: currentTime\n      };\n    } // When startIndex is negative, we first walk forward to first segment\n    // adding target durations. If we \"run out of time\" before getting to\n    // the first segment, return the first segment\n\n\n    if (startIndex < 0) {\n      for (i = startIndex; i < 0; i++) {\n        time -= playlist.targetDuration;\n\n        if (time < 0) {\n          return {\n            mediaIndex: 0,\n            startTime: currentTime\n          };\n        }\n      }\n\n      startIndex = 0;\n    } // Walk forward from startIndex in the playlist, subtracting durations\n    // until we find a segment that contains `time` and return it\n\n\n    for (i = startIndex; i < numSegments; i++) {\n      segment = playlist.segments[i];\n      time -= ceilLeastSignificantDigit(segment.duration);\n\n      if (time < 0) {\n        return {\n          mediaIndex: i,\n          startTime: startTime + sumDurations(playlist, startIndex, i)\n        };\n      }\n    } // We are out of possible candidates so load the last one...\n\n\n    return {\n      mediaIndex: numSegments - 1,\n      startTime: currentTime\n    };\n  };\n  /**\n   * Check whether the playlist is blacklisted or not.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is blacklisted or not\n   * @function isBlacklisted\n   */\n\n\n  var isBlacklisted = function isBlacklisted(playlist) {\n    return playlist.excludeUntil && playlist.excludeUntil > Date.now();\n  };\n  /**\n   * Check whether the playlist is compatible with current playback configuration or has\n   * been blacklisted permanently for being incompatible.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is incompatible or not\n   * @function isIncompatible\n   */\n\n\n  var isIncompatible = function isIncompatible(playlist) {\n    return playlist.excludeUntil && playlist.excludeUntil === Infinity;\n  };\n  /**\n   * Check whether the playlist is enabled or not.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is enabled or not\n   * @function isEnabled\n   */\n\n\n  var isEnabled = function isEnabled(playlist) {\n    var blacklisted = isBlacklisted(playlist);\n    return !playlist.disabled && !blacklisted;\n  };\n  /**\n   * Check whether the playlist has been manually disabled through the representations api.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is disabled manually or not\n   * @function isDisabled\n   */\n\n\n  var isDisabled = function isDisabled(playlist) {\n    return playlist.disabled;\n  };\n  /**\n   * Returns whether the current playlist is an AES encrypted HLS stream\n   *\n   * @return {Boolean} true if it's an AES encrypted HLS stream\n   */\n\n\n  var isAes = function isAes(media) {\n    for (var i = 0; i < media.segments.length; i++) {\n      if (media.segments[i].key) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n  /**\n   * Returns whether the current playlist contains fMP4\n   *\n   * @return {Boolean} true if the playlist contains fMP4\n   */\n\n\n  var isFmp4 = function isFmp4(media) {\n    for (var i = 0; i < media.segments.length; i++) {\n      if (media.segments[i].map) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n  /**\n   * Checks if the playlist has a value for the specified attribute\n   *\n   * @param {String} attr\n   *        Attribute to check for\n   * @param {Object} playlist\n   *        The media playlist object\n   * @return {Boolean}\n   *         Whether the playlist contains a value for the attribute or not\n   * @function hasAttribute\n   */\n\n\n  var hasAttribute = function hasAttribute(attr, playlist) {\n    return playlist.attributes && playlist.attributes[attr];\n  };\n  /**\n   * Estimates the time required to complete a segment download from the specified playlist\n   *\n   * @param {Number} segmentDuration\n   *        Duration of requested segment\n   * @param {Number} bandwidth\n   *        Current measured bandwidth of the player\n   * @param {Object} playlist\n   *        The media playlist object\n   * @param {Number=} bytesReceived\n   *        Number of bytes already received for the request. Defaults to 0\n   * @return {Number|NaN}\n   *         The estimated time to request the segment. NaN if bandwidth information for\n   *         the given playlist is unavailable\n   * @function estimateSegmentRequestTime\n   */\n\n\n  var estimateSegmentRequestTime = function estimateSegmentRequestTime(segmentDuration, bandwidth, playlist) {\n    var bytesReceived = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;\n\n    if (!hasAttribute('BANDWIDTH', playlist)) {\n      return NaN;\n    }\n\n    var size = segmentDuration * playlist.attributes.BANDWIDTH;\n    return (size - bytesReceived * 8) / bandwidth;\n  };\n  /*\n   * Returns whether the current playlist is the lowest rendition\n   *\n   * @return {Boolean} true if on lowest rendition\n   */\n\n\n  var isLowestEnabledRendition = function isLowestEnabledRendition(master, media) {\n    if (master.playlists.length === 1) {\n      return true;\n    }\n\n    var currentBandwidth = media.attributes.BANDWIDTH || Number.MAX_VALUE;\n    return master.playlists.filter(function (playlist) {\n      if (!isEnabled(playlist)) {\n        return false;\n      }\n\n      return (playlist.attributes.BANDWIDTH || 0) < currentBandwidth;\n    }).length === 0;\n  }; // exports\n\n\n  var Playlist = {\n    duration: duration,\n    seekable: seekable,\n    safeLiveIndex: safeLiveIndex,\n    getMediaInfoForTime: getMediaInfoForTime,\n    isEnabled: isEnabled,\n    isDisabled: isDisabled,\n    isBlacklisted: isBlacklisted,\n    isIncompatible: isIncompatible,\n    playlistEnd: playlistEnd,\n    isAes: isAes,\n    isFmp4: isFmp4,\n    hasAttribute: hasAttribute,\n    estimateSegmentRequestTime: estimateSegmentRequestTime,\n    isLowestEnabledRendition: isLowestEnabledRendition\n  };\n  /**\n   * @file xhr.js\n   */\n\n  var videojsXHR = videojs$1.xhr,\n      mergeOptions$1$1 = videojs$1.mergeOptions;\n\n  var xhrFactory = function xhrFactory() {\n    var xhr = function XhrFunction(options, callback) {\n      // Add a default timeout for all hls requests\n      options = mergeOptions$1$1({\n        timeout: 45e3\n      }, options); // Allow an optional user-specified function to modify the option\n      // object before we construct the xhr request\n\n      var beforeRequest = XhrFunction.beforeRequest || videojs$1.Hls.xhr.beforeRequest;\n\n      if (beforeRequest && typeof beforeRequest === 'function') {\n        var newOptions = beforeRequest(options);\n\n        if (newOptions) {\n          options = newOptions;\n        }\n      }\n\n      var request = videojsXHR(options, function (error, response) {\n        var reqResponse = request.response;\n\n        if (!error && reqResponse) {\n          request.responseTime = Date.now();\n          request.roundTripTime = request.responseTime - request.requestTime;\n          request.bytesReceived = reqResponse.byteLength || reqResponse.length;\n\n          if (!request.bandwidth) {\n            request.bandwidth = Math.floor(request.bytesReceived / request.roundTripTime * 8 * 1000);\n          }\n        }\n\n        if (response.headers) {\n          request.responseHeaders = response.headers;\n        } // videojs.xhr now uses a specific code on the error\n        // object to signal that a request has timed out instead\n        // of setting a boolean on the request object\n\n\n        if (error && error.code === 'ETIMEDOUT') {\n          request.timedout = true;\n        } // videojs.xhr no longer considers status codes outside of 200 and 0\n        // (for file uris) to be errors, but the old XHR did, so emulate that\n        // behavior. Status 206 may be used in response to byterange requests.\n\n\n        if (!error && !request.aborted && response.statusCode !== 200 && response.statusCode !== 206 && response.statusCode !== 0) {\n          error = new Error('XHR Failed with a response of: ' + (request && (reqResponse || request.responseText)));\n        }\n\n        callback(error, request);\n      });\n      var originalAbort = request.abort;\n\n      request.abort = function () {\n        request.aborted = true;\n        return originalAbort.apply(request, arguments);\n      };\n\n      request.uri = options.uri;\n      request.requestTime = Date.now();\n      return request;\n    };\n\n    return xhr;\n  };\n  /**\n   * Turns segment byterange into a string suitable for use in\n   * HTTP Range requests\n   *\n   * @param {Object} byterange - an object with two values defining the start and end\n   *                             of a byte-range\n   */\n\n\n  var byterangeStr = function byterangeStr(byterange) {\n    var byterangeStart = void 0;\n    var byterangeEnd = void 0; // `byterangeEnd` is one less than `offset + length` because the HTTP range\n    // header uses inclusive ranges\n\n    byterangeEnd = byterange.offset + byterange.length - 1;\n    byterangeStart = byterange.offset;\n    return 'bytes=' + byterangeStart + '-' + byterangeEnd;\n  };\n  /**\n   * Defines headers for use in the xhr request for a particular segment.\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   */\n\n\n  var segmentXhrHeaders = function segmentXhrHeaders(segment) {\n    var headers = {};\n\n    if (segment.byterange) {\n      headers.Range = byterangeStr(segment.byterange);\n    }\n\n    return headers;\n  };\n  /**\n   * @file bin-utils.js\n   */\n\n  /**\n   * convert a TimeRange to text\n   *\n   * @param {TimeRange} range the timerange to use for conversion\n   * @param {Number} i the iterator on the range to convert\n   */\n\n\n  var textRange = function textRange(range, i) {\n    return range.start(i) + '-' + range.end(i);\n  };\n  /**\n   * format a number as hex string\n   *\n   * @param {Number} e The number\n   * @param {Number} i the iterator\n   */\n\n\n  var formatHexString = function formatHexString(e, i) {\n    var value = e.toString(16);\n    return '00'.substring(0, 2 - value.length) + value + (i % 2 ? ' ' : '');\n  };\n\n  var formatAsciiString = function formatAsciiString(e) {\n    if (e >= 0x20 && e < 0x7e) {\n      return String.fromCharCode(e);\n    }\n\n    return '.';\n  };\n  /**\n   * Creates an object for sending to a web worker modifying properties that are TypedArrays\n   * into a new object with seperated properties for the buffer, byteOffset, and byteLength.\n   *\n   * @param {Object} message\n   *        Object of properties and values to send to the web worker\n   * @return {Object}\n   *         Modified message with TypedArray values expanded\n   * @function createTransferableMessage\n   */\n\n\n  var createTransferableMessage = function createTransferableMessage(message) {\n    var transferable = {};\n    Object.keys(message).forEach(function (key) {\n      var value = message[key];\n\n      if (ArrayBuffer.isView(value)) {\n        transferable[key] = {\n          bytes: value.buffer,\n          byteOffset: value.byteOffset,\n          byteLength: value.byteLength\n        };\n      } else {\n        transferable[key] = value;\n      }\n    });\n    return transferable;\n  };\n  /**\n   * Returns a unique string identifier for a media initialization\n   * segment.\n   */\n\n\n  var initSegmentId = function initSegmentId(initSegment) {\n    var byterange = initSegment.byterange || {\n      length: Infinity,\n      offset: 0\n    };\n    return [byterange.length, byterange.offset, initSegment.resolvedUri].join(',');\n  };\n  /**\n   * Returns a unique string identifier for a media segment key.\n   */\n\n\n  var segmentKeyId = function segmentKeyId(key) {\n    return key.resolvedUri;\n  };\n  /**\n   * utils to help dump binary data to the console\n   */\n\n\n  var hexDump = function hexDump(data) {\n    var bytes = Array.prototype.slice.call(data);\n    var step = 16;\n    var result = '';\n    var hex = void 0;\n    var ascii = void 0;\n\n    for (var j = 0; j < bytes.length / step; j++) {\n      hex = bytes.slice(j * step, j * step + step).map(formatHexString).join('');\n      ascii = bytes.slice(j * step, j * step + step).map(formatAsciiString).join('');\n      result += hex + ' ' + ascii + '\\n';\n    }\n\n    return result;\n  };\n\n  var tagDump = function tagDump(_ref) {\n    var bytes = _ref.bytes;\n    return hexDump(bytes);\n  };\n\n  var textRanges = function textRanges(ranges) {\n    var result = '';\n    var i = void 0;\n\n    for (i = 0; i < ranges.length; i++) {\n      result += textRange(ranges, i) + ' ';\n    }\n\n    return result;\n  };\n\n  var utils$1 = /*#__PURE__*/Object.freeze({\n    createTransferableMessage: createTransferableMessage,\n    initSegmentId: initSegmentId,\n    segmentKeyId: segmentKeyId,\n    hexDump: hexDump,\n    tagDump: tagDump,\n    textRanges: textRanges\n  }); // TODO handle fmp4 case where the timing info is accurate and doesn't involve transmux\n  // Add 25% to the segment duration to account for small discrepencies in segment timing.\n  // 25% was arbitrarily chosen, and may need to be refined over time.\n\n  var SEGMENT_END_FUDGE_PERCENT = 0.25;\n  /**\n   * Converts a player time (any time that can be gotten/set from player.currentTime(),\n   * e.g., any time within player.seekable().start(0) to player.seekable().end(0)) to a\n   * program time (any time referencing the real world (e.g., EXT-X-PROGRAM-DATE-TIME)).\n   *\n   * The containing segment is required as the EXT-X-PROGRAM-DATE-TIME serves as an \"anchor\n   * point\" (a point where we have a mapping from program time to player time, with player\n   * time being the post transmux start of the segment).\n   *\n   * For more details, see [this doc](../../docs/program-time-from-player-time.md).\n   *\n   * @param {Number} playerTime the player time\n   * @param {Object} segment the segment which contains the player time\n   * @return {Date} program time\n   */\n\n  var playerTimeToProgramTime = function playerTimeToProgramTime(playerTime, segment) {\n    if (!segment.dateTimeObject) {\n      // Can't convert without an \"anchor point\" for the program time (i.e., a time that can\n      // be used to map the start of a segment with a real world time).\n      return null;\n    }\n\n    var transmuxerPrependedSeconds = segment.videoTimingInfo.transmuxerPrependedSeconds;\n    var transmuxedStart = segment.videoTimingInfo.transmuxedPresentationStart; // get the start of the content from before old content is prepended\n\n    var startOfSegment = transmuxedStart + transmuxerPrependedSeconds;\n    var offsetFromSegmentStart = playerTime - startOfSegment;\n    return new Date(segment.dateTimeObject.getTime() + offsetFromSegmentStart * 1000);\n  };\n\n  var originalSegmentVideoDuration = function originalSegmentVideoDuration(videoTimingInfo) {\n    return videoTimingInfo.transmuxedPresentationEnd - videoTimingInfo.transmuxedPresentationStart - videoTimingInfo.transmuxerPrependedSeconds;\n  };\n  /**\n   * Finds a segment that contains the time requested given as an ISO-8601 string. The\n   * returned segment might be an estimate or an accurate match.\n   *\n   * @param {String} programTime The ISO-8601 programTime to find a match for\n   * @param {Object} playlist A playlist object to search within\n   */\n\n\n  var findSegmentForProgramTime = function findSegmentForProgramTime(programTime, playlist) {\n    // Assumptions:\n    //  - verifyProgramDateTimeTags has already been run\n    //  - live streams have been started\n    var dateTimeObject = void 0;\n\n    try {\n      dateTimeObject = new Date(programTime);\n    } catch (e) {\n      return null;\n    }\n\n    if (!playlist || !playlist.segments || playlist.segments.length === 0) {\n      return null;\n    }\n\n    var segment = playlist.segments[0];\n\n    if (dateTimeObject < segment.dateTimeObject) {\n      // Requested time is before stream start.\n      return null;\n    }\n\n    for (var i = 0; i < playlist.segments.length - 1; i++) {\n      segment = playlist.segments[i];\n      var nextSegmentStart = playlist.segments[i + 1].dateTimeObject;\n\n      if (dateTimeObject < nextSegmentStart) {\n        break;\n      }\n    }\n\n    var lastSegment = playlist.segments[playlist.segments.length - 1];\n    var lastSegmentStart = lastSegment.dateTimeObject;\n    var lastSegmentDuration = lastSegment.videoTimingInfo ? originalSegmentVideoDuration(lastSegment.videoTimingInfo) : lastSegment.duration + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT;\n    var lastSegmentEnd = new Date(lastSegmentStart.getTime() + lastSegmentDuration * 1000);\n\n    if (dateTimeObject > lastSegmentEnd) {\n      // Beyond the end of the stream, or our best guess of the end of the stream.\n      return null;\n    }\n\n    if (dateTimeObject > lastSegmentStart) {\n      segment = lastSegment;\n    }\n\n    return {\n      segment: segment,\n      estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : Playlist.duration(playlist, playlist.mediaSequence + playlist.segments.indexOf(segment)),\n      // Although, given that all segments have accurate date time objects, the segment\n      // selected should be accurate, unless the video has been transmuxed at some point\n      // (determined by the presence of the videoTimingInfo object), the segment's \"player\n      // time\" (the start time in the player) can't be considered accurate.\n      type: segment.videoTimingInfo ? 'accurate' : 'estimate'\n    };\n  };\n  /**\n   * Finds a segment that contains the given player time(in seconds).\n   *\n   * @param {Number} time The player time to find a match for\n   * @param {Object} playlist A playlist object to search within\n   */\n\n\n  var findSegmentForPlayerTime = function findSegmentForPlayerTime(time, playlist) {\n    // Assumptions:\n    // - there will always be a segment.duration\n    // - we can start from zero\n    // - segments are in time order\n    if (!playlist || !playlist.segments || playlist.segments.length === 0) {\n      return null;\n    }\n\n    var segmentEnd = 0;\n    var segment = void 0;\n\n    for (var i = 0; i < playlist.segments.length; i++) {\n      segment = playlist.segments[i]; // videoTimingInfo is set after the segment is downloaded and transmuxed, and\n      // should contain the most accurate values we have for the segment's player times.\n      //\n      // Use the accurate transmuxedPresentationEnd value if it is available, otherwise fall\n      // back to an estimate based on the manifest derived (inaccurate) segment.duration, to\n      // calculate an end value.\n\n      segmentEnd = segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationEnd : segmentEnd + segment.duration;\n\n      if (time <= segmentEnd) {\n        break;\n      }\n    }\n\n    var lastSegment = playlist.segments[playlist.segments.length - 1];\n\n    if (lastSegment.videoTimingInfo && lastSegment.videoTimingInfo.transmuxedPresentationEnd < time) {\n      // The time requested is beyond the stream end.\n      return null;\n    }\n\n    if (time > segmentEnd) {\n      // The time is within or beyond the last segment.\n      //\n      // Check to see if the time is beyond a reasonable guess of the end of the stream.\n      if (time > segmentEnd + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT) {\n        // Technically, because the duration value is only an estimate, the time may still\n        // exist in the last segment, however, there isn't enough information to make even\n        // a reasonable estimate.\n        return null;\n      }\n\n      segment = lastSegment;\n    }\n\n    return {\n      segment: segment,\n      estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : segmentEnd - segment.duration,\n      // Because videoTimingInfo is only set after transmux, it is the only way to get\n      // accurate timing values.\n      type: segment.videoTimingInfo ? 'accurate' : 'estimate'\n    };\n  };\n  /**\n   * Gives the offset of the comparisonTimestamp from the programTime timestamp in seconds.\n   * If the offset returned is positive, the programTime occurs after the\n   * comparisonTimestamp.\n   * If the offset is negative, the programTime occurs before the comparisonTimestamp.\n   *\n   * @param {String} comparisonTimeStamp An ISO-8601 timestamp to compare against\n   * @param {String} programTime The programTime as an ISO-8601 string\n   * @return {Number} offset\n   */\n\n\n  var getOffsetFromTimestamp = function getOffsetFromTimestamp(comparisonTimeStamp, programTime) {\n    var segmentDateTime = void 0;\n    var programDateTime = void 0;\n\n    try {\n      segmentDateTime = new Date(comparisonTimeStamp);\n      programDateTime = new Date(programTime);\n    } catch (e) {// TODO handle error\n    }\n\n    var segmentTimeEpoch = segmentDateTime.getTime();\n    var programTimeEpoch = programDateTime.getTime();\n    return (programTimeEpoch - segmentTimeEpoch) / 1000;\n  };\n  /**\n   * Checks that all segments in this playlist have programDateTime tags.\n   *\n   * @param {Object} playlist A playlist object\n   */\n\n\n  var verifyProgramDateTimeTags = function verifyProgramDateTimeTags(playlist) {\n    if (!playlist.segments || playlist.segments.length === 0) {\n      return false;\n    }\n\n    for (var i = 0; i < playlist.segments.length; i++) {\n      var segment = playlist.segments[i];\n\n      if (!segment.dateTimeObject) {\n        return false;\n      }\n    }\n\n    return true;\n  };\n  /**\n   * Returns the programTime of the media given a playlist and a playerTime.\n   * The playlist must have programDateTime tags for a programDateTime tag to be returned.\n   * If the segments containing the time requested have not been buffered yet, an estimate\n   * may be returned to the callback.\n   *\n   * @param {Object} args\n   * @param {Object} args.playlist A playlist object to search within\n   * @param {Number} time A playerTime in seconds\n   * @param {Function} callback(err, programTime)\n   * @returns {String} err.message A detailed error message\n   * @returns {Object} programTime\n   * @returns {Number} programTime.mediaSeconds The streamTime in seconds\n   * @returns {String} programTime.programDateTime The programTime as an ISO-8601 String\n   */\n\n\n  var getProgramTime = function getProgramTime(_ref) {\n    var playlist = _ref.playlist,\n        _ref$time = _ref.time,\n        time = _ref$time === undefined ? undefined : _ref$time,\n        callback = _ref.callback;\n\n    if (!callback) {\n      throw new Error('getProgramTime: callback must be provided');\n    }\n\n    if (!playlist || time === undefined) {\n      return callback({\n        message: 'getProgramTime: playlist and time must be provided'\n      });\n    }\n\n    var matchedSegment = findSegmentForPlayerTime(time, playlist);\n\n    if (!matchedSegment) {\n      return callback({\n        message: 'valid programTime was not found'\n      });\n    }\n\n    if (matchedSegment.type === 'estimate') {\n      return callback({\n        message: 'Accurate programTime could not be determined.' + ' Please seek to e.seekTime and try again',\n        seekTime: matchedSegment.estimatedStart\n      });\n    }\n\n    var programTimeObject = {\n      mediaSeconds: time\n    };\n    var programTime = playerTimeToProgramTime(time, matchedSegment.segment);\n\n    if (programTime) {\n      programTimeObject.programDateTime = programTime.toISOString();\n    }\n\n    return callback(null, programTimeObject);\n  };\n  /**\n   * Seeks in the player to a time that matches the given programTime ISO-8601 string.\n   *\n   * @param {Object} args\n   * @param {String} args.programTime A programTime to seek to as an ISO-8601 String\n   * @param {Object} args.playlist A playlist to look within\n   * @param {Number} args.retryCount The number of times to try for an accurate seek. Default is 2.\n   * @param {Function} args.seekTo A method to perform a seek\n   * @param {Boolean} args.pauseAfterSeek Whether to end in a paused state after seeking. Default is true.\n   * @param {Object} args.tech The tech to seek on\n   * @param {Function} args.callback(err, newTime) A callback to return the new time to\n   * @returns {String} err.message A detailed error message\n   * @returns {Number} newTime The exact time that was seeked to in seconds\n   */\n\n\n  var seekToProgramTime = function seekToProgramTime(_ref2) {\n    var programTime = _ref2.programTime,\n        playlist = _ref2.playlist,\n        _ref2$retryCount = _ref2.retryCount,\n        retryCount = _ref2$retryCount === undefined ? 2 : _ref2$retryCount,\n        seekTo = _ref2.seekTo,\n        _ref2$pauseAfterSeek = _ref2.pauseAfterSeek,\n        pauseAfterSeek = _ref2$pauseAfterSeek === undefined ? true : _ref2$pauseAfterSeek,\n        tech = _ref2.tech,\n        callback = _ref2.callback;\n\n    if (!callback) {\n      throw new Error('seekToProgramTime: callback must be provided');\n    }\n\n    if (typeof programTime === 'undefined' || !playlist || !seekTo) {\n      return callback({\n        message: 'seekToProgramTime: programTime, seekTo and playlist must be provided'\n      });\n    }\n\n    if (!playlist.endList && !tech.hasStarted_) {\n      return callback({\n        message: 'player must be playing a live stream to start buffering'\n      });\n    }\n\n    if (!verifyProgramDateTimeTags(playlist)) {\n      return callback({\n        message: 'programDateTime tags must be provided in the manifest ' + playlist.resolvedUri\n      });\n    }\n\n    var matchedSegment = findSegmentForProgramTime(programTime, playlist); // no match\n\n    if (!matchedSegment) {\n      return callback({\n        message: programTime + ' was not found in the stream'\n      });\n    }\n\n    var segment = matchedSegment.segment;\n    var mediaOffset = getOffsetFromTimestamp(segment.dateTimeObject, programTime);\n\n    if (matchedSegment.type === 'estimate') {\n      // we've run out of retries\n      if (retryCount === 0) {\n        return callback({\n          message: programTime + ' is not buffered yet. Try again'\n        });\n      }\n\n      seekTo(matchedSegment.estimatedStart + mediaOffset);\n      tech.one('seeked', function () {\n        seekToProgramTime({\n          programTime: programTime,\n          playlist: playlist,\n          retryCount: retryCount - 1,\n          seekTo: seekTo,\n          pauseAfterSeek: pauseAfterSeek,\n          tech: tech,\n          callback: callback\n        });\n      });\n      return;\n    } // Since the segment.start value is determined from the buffered end or ending time\n    // of the prior segment, the seekToTime doesn't need to account for any transmuxer\n    // modifications.\n\n\n    var seekToTime = segment.start + mediaOffset;\n\n    var seekedCallback = function seekedCallback() {\n      return callback(null, tech.currentTime());\n    }; // listen for seeked event\n\n\n    tech.one('seeked', seekedCallback); // pause before seeking as video.js will restore this state\n\n    if (pauseAfterSeek) {\n      tech.pause();\n    }\n\n    seekTo(seekToTime);\n  };\n  /**\n   * ranges\n   *\n   * Utilities for working with TimeRanges.\n   *\n   */\n  // Fudge factor to account for TimeRanges rounding\n\n\n  var TIME_FUDGE_FACTOR = 1 / 30; // Comparisons between time values such as current time and the end of the buffered range\n  // can be misleading because of precision differences or when the current media has poorly\n  // aligned audio and video, which can cause values to be slightly off from what you would\n  // expect. This value is what we consider to be safe to use in such comparisons to account\n  // for these scenarios.\n\n  var SAFE_TIME_DELTA = TIME_FUDGE_FACTOR * 3;\n\n  var filterRanges = function filterRanges(timeRanges, predicate) {\n    var results = [];\n    var i = void 0;\n\n    if (timeRanges && timeRanges.length) {\n      // Search for ranges that match the predicate\n      for (i = 0; i < timeRanges.length; i++) {\n        if (predicate(timeRanges.start(i), timeRanges.end(i))) {\n          results.push([timeRanges.start(i), timeRanges.end(i)]);\n        }\n      }\n    }\n\n    return videojs$1.createTimeRanges(results);\n  };\n  /**\n   * Attempts to find the buffered TimeRange that contains the specified\n   * time.\n   * @param {TimeRanges} buffered - the TimeRanges object to query\n   * @param {number} time  - the time to filter on.\n   * @returns {TimeRanges} a new TimeRanges object\n   */\n\n\n  var findRange = function findRange(buffered, time) {\n    return filterRanges(buffered, function (start, end) {\n      return start - SAFE_TIME_DELTA <= time && end + SAFE_TIME_DELTA >= time;\n    });\n  };\n  /**\n   * Returns the TimeRanges that begin later than the specified time.\n   * @param {TimeRanges} timeRanges - the TimeRanges object to query\n   * @param {number} time - the time to filter on.\n   * @returns {TimeRanges} a new TimeRanges object.\n   */\n\n\n  var findNextRange = function findNextRange(timeRanges, time) {\n    return filterRanges(timeRanges, function (start) {\n      return start - TIME_FUDGE_FACTOR >= time;\n    });\n  };\n  /**\n   * Returns gaps within a list of TimeRanges\n   * @param {TimeRanges} buffered - the TimeRanges object\n   * @return {TimeRanges} a TimeRanges object of gaps\n   */\n\n\n  var findGaps = function findGaps(buffered) {\n    if (buffered.length < 2) {\n      return videojs$1.createTimeRanges();\n    }\n\n    var ranges = [];\n\n    for (var i = 1; i < buffered.length; i++) {\n      var start = buffered.end(i - 1);\n      var end = buffered.start(i);\n      ranges.push([start, end]);\n    }\n\n    return videojs$1.createTimeRanges(ranges);\n  };\n  /**\n   * Gets a human readable string for a TimeRange\n   *\n   * @param {TimeRange} range\n   * @returns {String} a human readable string\n   */\n\n\n  var printableRange = function printableRange(range) {\n    var strArr = [];\n\n    if (!range || !range.length) {\n      return '';\n    }\n\n    for (var i = 0; i < range.length; i++) {\n      strArr.push(range.start(i) + ' => ' + range.end(i));\n    }\n\n    return strArr.join(', ');\n  };\n  /**\n   * Calculates the amount of time left in seconds until the player hits the end of the\n   * buffer and causes a rebuffer\n   *\n   * @param {TimeRange} buffered\n   *        The state of the buffer\n   * @param {Numnber} currentTime\n   *        The current time of the player\n   * @param {Number} playbackRate\n   *        The current playback rate of the player. Defaults to 1.\n   * @return {Number}\n   *         Time until the player has to start rebuffering in seconds.\n   * @function timeUntilRebuffer\n   */\n\n\n  var timeUntilRebuffer = function timeUntilRebuffer(buffered, currentTime) {\n    var playbackRate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;\n    var bufferedEnd = buffered.length ? buffered.end(buffered.length - 1) : 0;\n    return (bufferedEnd - currentTime) / playbackRate;\n  };\n  /**\n   * Converts a TimeRanges object into an array representation\n   * @param {TimeRanges} timeRanges\n   * @returns {Array}\n   */\n\n\n  var timeRangesToArray = function timeRangesToArray(timeRanges) {\n    var timeRangesList = [];\n\n    for (var i = 0; i < timeRanges.length; i++) {\n      timeRangesList.push({\n        start: timeRanges.start(i),\n        end: timeRanges.end(i)\n      });\n    }\n\n    return timeRangesList;\n  };\n  /**\n   * @file create-text-tracks-if-necessary.js\n   */\n\n  /**\n   * Create text tracks on video.js if they exist on a segment.\n   *\n   * @param {Object} sourceBuffer the VSB or FSB\n   * @param {Object} mediaSource the HTML media source\n   * @param {Object} segment the segment that may contain the text track\n   * @private\n   */\n\n\n  var createTextTracksIfNecessary = function createTextTracksIfNecessary(sourceBuffer, mediaSource, segment) {\n    var player = mediaSource.player_; // create an in-band caption track if one is present in the segment\n\n    if (segment.captions && segment.captions.length) {\n      if (!sourceBuffer.inbandTextTracks_) {\n        sourceBuffer.inbandTextTracks_ = {};\n      }\n\n      for (var trackId in segment.captionStreams) {\n        if (!sourceBuffer.inbandTextTracks_[trackId]) {\n          player.tech_.trigger({\n            type: 'usage',\n            name: 'hls-608'\n          });\n          var track = player.textTracks().getTrackById(trackId);\n\n          if (track) {\n            // Resuse an existing track with a CC# id because this was\n            // very likely created by videojs-contrib-hls from information\n            // in the m3u8 for us to use\n            sourceBuffer.inbandTextTracks_[trackId] = track;\n          } else {\n            // Otherwise, create a track with the default `CC#` label and\n            // without a language\n            sourceBuffer.inbandTextTracks_[trackId] = player.addRemoteTextTrack({\n              kind: 'captions',\n              id: trackId,\n              label: trackId\n            }, false).track;\n          }\n        }\n      }\n    }\n\n    if (segment.metadata && segment.metadata.length && !sourceBuffer.metadataTrack_) {\n      sourceBuffer.metadataTrack_ = player.addRemoteTextTrack({\n        kind: 'metadata',\n        label: 'Timed Metadata'\n      }, false).track;\n      sourceBuffer.metadataTrack_.inBandMetadataTrackDispatchType = segment.metadata.dispatchType;\n    }\n  };\n  /**\n   * @file remove-cues-from-track.js\n   */\n\n  /**\n   * Remove cues from a track on video.js.\n   *\n   * @param {Double} start start of where we should remove the cue\n   * @param {Double} end end of where the we should remove the cue\n   * @param {Object} track the text track to remove the cues from\n   * @private\n   */\n\n\n  var removeCuesFromTrack = function removeCuesFromTrack(start, end, track) {\n    var i = void 0;\n    var cue = void 0;\n\n    if (!track) {\n      return;\n    }\n\n    if (!track.cues) {\n      return;\n    }\n\n    i = track.cues.length;\n\n    while (i--) {\n      cue = track.cues[i]; // Remove any overlapping cue\n\n      if (cue.startTime <= end && cue.endTime >= start) {\n        track.removeCue(cue);\n      }\n    }\n  };\n  /**\n   * @file add-text-track-data.js\n   */\n\n  /**\n   * Define properties on a cue for backwards compatability,\n   * but warn the user that the way that they are using it\n   * is depricated and will be removed at a later date.\n   *\n   * @param {Cue} cue the cue to add the properties on\n   * @private\n   */\n\n\n  var deprecateOldCue = function deprecateOldCue(cue) {\n    Object.defineProperties(cue.frame, {\n      id: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.id is deprecated. Use cue.value.key instead.');\n          return cue.value.key;\n        }\n      },\n      value: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.value is deprecated. Use cue.value.data instead.');\n          return cue.value.data;\n        }\n      },\n      privateData: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.privateData is deprecated. Use cue.value.data instead.');\n          return cue.value.data;\n        }\n      }\n    });\n  };\n\n  var durationOfVideo = function durationOfVideo(duration) {\n    var dur = void 0;\n\n    if (isNaN(duration) || Math.abs(duration) === Infinity) {\n      dur = Number.MAX_VALUE;\n    } else {\n      dur = duration;\n    }\n\n    return dur;\n  };\n  /**\n   * Add text track data to a source handler given the captions and\n   * metadata from the buffer.\n   *\n   * @param {Object} sourceHandler the virtual source buffer\n   * @param {Array} captionArray an array of caption data\n   * @param {Array} metadataArray an array of meta data\n   * @private\n   */\n\n\n  var addTextTrackData = function addTextTrackData(sourceHandler, captionArray, metadataArray) {\n    var Cue = window$3.WebKitDataCue || window$3.VTTCue;\n\n    if (captionArray) {\n      captionArray.forEach(function (caption) {\n        var track = caption.stream;\n        this.inbandTextTracks_[track].addCue(new Cue(caption.startTime + this.timestampOffset, caption.endTime + this.timestampOffset, caption.text));\n      }, sourceHandler);\n    }\n\n    if (metadataArray) {\n      var videoDuration = durationOfVideo(sourceHandler.mediaSource_.duration);\n      metadataArray.forEach(function (metadata) {\n        var time = metadata.cueTime + this.timestampOffset; // if time isn't a finite number between 0 and Infinity, like NaN,\n        // ignore this bit of metadata.\n        // This likely occurs when you have an non-timed ID3 tag like TIT2,\n        // which is the \"Title/Songname/Content description\" frame\n\n        if (typeof time !== 'number' || window$3.isNaN(time) || time < 0 || !(time < Infinity)) {\n          return;\n        }\n\n        metadata.frames.forEach(function (frame) {\n          var cue = new Cue(time, time, frame.value || frame.url || frame.data || '');\n          cue.frame = frame;\n          cue.value = frame;\n          deprecateOldCue(cue);\n          this.metadataTrack_.addCue(cue);\n        }, this);\n      }, sourceHandler); // Updating the metadeta cues so that\n      // the endTime of each cue is the startTime of the next cue\n      // the endTime of last cue is the duration of the video\n\n      if (sourceHandler.metadataTrack_ && sourceHandler.metadataTrack_.cues && sourceHandler.metadataTrack_.cues.length) {\n        var cues = sourceHandler.metadataTrack_.cues;\n        var cuesArray = []; // Create a copy of the TextTrackCueList...\n        // ...disregarding cues with a falsey value\n\n        for (var i = 0; i < cues.length; i++) {\n          if (cues[i]) {\n            cuesArray.push(cues[i]);\n          }\n        } // Group cues by their startTime value\n\n\n        var cuesGroupedByStartTime = cuesArray.reduce(function (obj, cue) {\n          var timeSlot = obj[cue.startTime] || [];\n          timeSlot.push(cue);\n          obj[cue.startTime] = timeSlot;\n          return obj;\n        }, {}); // Sort startTimes by ascending order\n\n        var sortedStartTimes = Object.keys(cuesGroupedByStartTime).sort(function (a, b) {\n          return Number(a) - Number(b);\n        }); // Map each cue group's endTime to the next group's startTime\n\n        sortedStartTimes.forEach(function (startTime, idx) {\n          var cueGroup = cuesGroupedByStartTime[startTime];\n          var nextTime = Number(sortedStartTimes[idx + 1]) || videoDuration; // Map each cue's endTime the next group's startTime\n\n          cueGroup.forEach(function (cue) {\n            cue.endTime = nextTime;\n          });\n        });\n      }\n    }\n  };\n\n  var win = typeof window !== 'undefined' ? window : {},\n      TARGET = typeof Symbol === 'undefined' ? '__target' : Symbol(),\n      SCRIPT_TYPE = 'application/javascript',\n      BlobBuilder = win.BlobBuilder || win.WebKitBlobBuilder || win.MozBlobBuilder || win.MSBlobBuilder,\n      URL = win.URL || win.webkitURL || URL && URL.msURL,\n      Worker = win.Worker;\n  /**\n   * Returns a wrapper around Web Worker code that is constructible.\n   *\n   * @function shimWorker\n   *\n   * @param { String }    filename    The name of the file\n   * @param { Function }  fn          Function wrapping the code of the worker\n   */\n\n  function shimWorker(filename, fn) {\n    return function ShimWorker(forceFallback) {\n      var o = this;\n\n      if (!fn) {\n        return new Worker(filename);\n      } else if (Worker && !forceFallback) {\n        // Convert the function's inner code to a string to construct the worker\n        var source = fn.toString().replace(/^function.+?{/, '').slice(0, -1),\n            objURL = createSourceObject(source);\n        this[TARGET] = new Worker(objURL);\n        wrapTerminate(this[TARGET], objURL);\n        return this[TARGET];\n      } else {\n        var selfShim = {\n          postMessage: function postMessage(m) {\n            if (o.onmessage) {\n              setTimeout(function () {\n                o.onmessage({\n                  data: m,\n                  target: selfShim\n                });\n              });\n            }\n          }\n        };\n        fn.call(selfShim);\n\n        this.postMessage = function (m) {\n          setTimeout(function () {\n            selfShim.onmessage({\n              data: m,\n              target: o\n            });\n          });\n        };\n\n        this.isThisThread = true;\n      }\n    };\n  } // Test Worker capabilities\n\n\n  if (Worker) {\n    var testWorker,\n        objURL = createSourceObject('self.onmessage = function () {}'),\n        testArray = new Uint8Array(1);\n\n    try {\n      testWorker = new Worker(objURL); // Native browser on some Samsung devices throws for transferables, let's detect it\n\n      testWorker.postMessage(testArray, [testArray.buffer]);\n    } catch (e) {\n      Worker = null;\n    } finally {\n      URL.revokeObjectURL(objURL);\n\n      if (testWorker) {\n        testWorker.terminate();\n      }\n    }\n  }\n\n  function createSourceObject(str) {\n    try {\n      return URL.createObjectURL(new Blob([str], {\n        type: SCRIPT_TYPE\n      }));\n    } catch (e) {\n      var blob = new BlobBuilder();\n      blob.append(str);\n      return URL.createObjectURL(blob.getBlob(type));\n    }\n  }\n\n  function wrapTerminate(worker, objURL) {\n    if (!worker || !objURL) return;\n    var term = worker.terminate;\n    worker.objURL = objURL;\n\n    worker.terminate = function () {\n      if (worker.objURL) URL.revokeObjectURL(worker.objURL);\n      term.call(worker);\n    };\n  }\n\n  var TransmuxWorker = new shimWorker(\"./transmuxer-worker.worker.js\", function (window, document$$1) {\n    var self = this;\n\n    var transmuxerWorker = function () {\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * A lightweight readable stream implemention that handles event dispatching.\n       * Objects that inherit from streams should call init in their constructors.\n       */\n      var Stream = function Stream() {\n        this.init = function () {\n          var listeners = {};\n          /**\n           * Add a listener for a specified event type.\n           * @param type {string} the event name\n           * @param listener {function} the callback to be invoked when an event of\n           * the specified type occurs\n           */\n\n          this.on = function (type, listener) {\n            if (!listeners[type]) {\n              listeners[type] = [];\n            }\n\n            listeners[type] = listeners[type].concat(listener);\n          };\n          /**\n           * Remove a listener for a specified event type.\n           * @param type {string} the event name\n           * @param listener {function} a function previously registered for this\n           * type of event through `on`\n           */\n\n\n          this.off = function (type, listener) {\n            var index;\n\n            if (!listeners[type]) {\n              return false;\n            }\n\n            index = listeners[type].indexOf(listener);\n            listeners[type] = listeners[type].slice();\n            listeners[type].splice(index, 1);\n            return index > -1;\n          };\n          /**\n           * Trigger an event of the specified type on this stream. Any additional\n           * arguments to this function are passed as parameters to event listeners.\n           * @param type {string} the event name\n           */\n\n\n          this.trigger = function (type) {\n            var callbacks, i, length, args;\n            callbacks = listeners[type];\n\n            if (!callbacks) {\n              return;\n            } // Slicing the arguments on every invocation of this method\n            // can add a significant amount of overhead. Avoid the\n            // intermediate object creation for the common case of a\n            // single callback argument\n\n\n            if (arguments.length === 2) {\n              length = callbacks.length;\n\n              for (i = 0; i < length; ++i) {\n                callbacks[i].call(this, arguments[1]);\n              }\n            } else {\n              args = [];\n              i = arguments.length;\n\n              for (i = 1; i < arguments.length; ++i) {\n                args.push(arguments[i]);\n              }\n\n              length = callbacks.length;\n\n              for (i = 0; i < length; ++i) {\n                callbacks[i].apply(this, args);\n              }\n            }\n          };\n          /**\n           * Destroys the stream and cleans up.\n           */\n\n\n          this.dispose = function () {\n            listeners = {};\n          };\n        };\n      };\n      /**\n       * Forwards all `data` events on this stream to the destination stream. The\n       * destination stream should provide a method `push` to receive the data\n       * events as they arrive.\n       * @param destination {stream} the stream that will receive all `data` events\n       * @param autoFlush {boolean} if false, we will not call `flush` on the destination\n       *                            when the current stream emits a 'done' event\n       * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n       */\n\n\n      Stream.prototype.pipe = function (destination) {\n        this.on('data', function (data) {\n          destination.push(data);\n        });\n        this.on('done', function (flushSource) {\n          destination.flush(flushSource);\n        });\n        this.on('partialdone', function (flushSource) {\n          destination.partialFlush(flushSource);\n        });\n        this.on('endedtimeline', function (flushSource) {\n          destination.endTimeline(flushSource);\n        });\n        this.on('reset', function (flushSource) {\n          destination.reset(flushSource);\n        });\n        return destination;\n      }; // Default stream functions that are expected to be overridden to perform\n      // actual work. These are provided by the prototype as a sort of no-op\n      // implementation so that we don't have to check for their existence in the\n      // `pipe` function above.\n\n\n      Stream.prototype.push = function (data) {\n        this.trigger('data', data);\n      };\n\n      Stream.prototype.flush = function (flushSource) {\n        this.trigger('done', flushSource);\n      };\n\n      Stream.prototype.partialFlush = function (flushSource) {\n        this.trigger('partialdone', flushSource);\n      };\n\n      Stream.prototype.endTimeline = function (flushSource) {\n        this.trigger('endedtimeline', flushSource);\n      };\n\n      Stream.prototype.reset = function (flushSource) {\n        this.trigger('reset', flushSource);\n      };\n\n      var stream = Stream;\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Functions that generate fragmented MP4s suitable for use with Media\n       * Source Extensions.\n       */\n\n      var UINT32_MAX = Math.pow(2, 32) - 1;\n      var box, dinf, esds, ftyp, mdat, mfhd, minf, moof, moov, mvex, mvhd, trak, tkhd, mdia, mdhd, hdlr, sdtp, stbl, stsd, traf, trex, trun, types, MAJOR_BRAND, MINOR_VERSION, AVC1_BRAND, VIDEO_HDLR, AUDIO_HDLR, HDLR_TYPES, VMHD, SMHD, DREF, STCO, STSC, STSZ, STTS; // pre-calculate constants\n\n      (function () {\n        var i;\n        types = {\n          avc1: [],\n          // codingname\n          avcC: [],\n          btrt: [],\n          dinf: [],\n          dref: [],\n          esds: [],\n          ftyp: [],\n          hdlr: [],\n          mdat: [],\n          mdhd: [],\n          mdia: [],\n          mfhd: [],\n          minf: [],\n          moof: [],\n          moov: [],\n          mp4a: [],\n          // codingname\n          mvex: [],\n          mvhd: [],\n          pasp: [],\n          sdtp: [],\n          smhd: [],\n          stbl: [],\n          stco: [],\n          stsc: [],\n          stsd: [],\n          stsz: [],\n          stts: [],\n          styp: [],\n          tfdt: [],\n          tfhd: [],\n          traf: [],\n          trak: [],\n          trun: [],\n          trex: [],\n          tkhd: [],\n          vmhd: []\n        }; // In environments where Uint8Array is undefined (e.g., IE8), skip set up so that we\n        // don't throw an error\n\n        if (typeof Uint8Array === 'undefined') {\n          return;\n        }\n\n        for (i in types) {\n          if (types.hasOwnProperty(i)) {\n            types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)];\n          }\n        }\n\n        MAJOR_BRAND = new Uint8Array(['i'.charCodeAt(0), 's'.charCodeAt(0), 'o'.charCodeAt(0), 'm'.charCodeAt(0)]);\n        AVC1_BRAND = new Uint8Array(['a'.charCodeAt(0), 'v'.charCodeAt(0), 'c'.charCodeAt(0), '1'.charCodeAt(0)]);\n        MINOR_VERSION = new Uint8Array([0, 0, 0, 1]);\n        VIDEO_HDLR = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // pre_defined\n        0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n        ]);\n        AUDIO_HDLR = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // pre_defined\n        0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n        ]);\n        HDLR_TYPES = {\n          video: VIDEO_HDLR,\n          audio: AUDIO_HDLR\n        };\n        DREF = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x01, // entry_count\n        0x00, 0x00, 0x00, 0x0c, // entry_size\n        0x75, 0x72, 0x6c, 0x20, // 'url' type\n        0x00, // version 0\n        0x00, 0x00, 0x01 // entry_flags\n        ]);\n        SMHD = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, // balance, 0 means centered\n        0x00, 0x00 // reserved\n        ]);\n        STCO = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00 // entry_count\n        ]);\n        STSC = STCO;\n        STSZ = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // sample_size\n        0x00, 0x00, 0x00, 0x00 // sample_count\n        ]);\n        STTS = STCO;\n        VMHD = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x01, // flags\n        0x00, 0x00, // graphicsmode\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor\n        ]);\n      })();\n\n      box = function box(type) {\n        var payload = [],\n            size = 0,\n            i,\n            result,\n            view;\n\n        for (i = 1; i < arguments.length; i++) {\n          payload.push(arguments[i]);\n        }\n\n        i = payload.length; // calculate the total size we need to allocate\n\n        while (i--) {\n          size += payload[i].byteLength;\n        }\n\n        result = new Uint8Array(size + 8);\n        view = new DataView(result.buffer, result.byteOffset, result.byteLength);\n        view.setUint32(0, result.byteLength);\n        result.set(type, 4); // copy the payload into the result\n\n        for (i = 0, size = 8; i < payload.length; i++) {\n          result.set(payload[i], size);\n          size += payload[i].byteLength;\n        }\n\n        return result;\n      };\n\n      dinf = function dinf() {\n        return box(types.dinf, box(types.dref, DREF));\n      };\n\n      esds = function esds(track) {\n        return box(types.esds, new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        // ES_Descriptor\n        0x03, // tag, ES_DescrTag\n        0x19, // length\n        0x00, 0x00, // ES_ID\n        0x00, // streamDependenceFlag, URL_flag, reserved, streamPriority\n        // DecoderConfigDescriptor\n        0x04, // tag, DecoderConfigDescrTag\n        0x11, // length\n        0x40, // object type\n        0x15, // streamType\n        0x00, 0x06, 0x00, // bufferSizeDB\n        0x00, 0x00, 0xda, 0xc0, // maxBitrate\n        0x00, 0x00, 0xda, 0xc0, // avgBitrate\n        // DecoderSpecificInfo\n        0x05, // tag, DecoderSpecificInfoTag\n        0x02, // length\n        // ISO/IEC 14496-3, AudioSpecificConfig\n        // for samplingFrequencyIndex see ISO/IEC 13818-7:2006, 8.1.3.2.2, Table 35\n        track.audioobjecttype << 3 | track.samplingfrequencyindex >>> 1, track.samplingfrequencyindex << 7 | track.channelcount << 3, 0x06, 0x01, 0x02 // GASpecificConfig\n        ]));\n      };\n\n      ftyp = function ftyp() {\n        return box(types.ftyp, MAJOR_BRAND, MINOR_VERSION, MAJOR_BRAND, AVC1_BRAND);\n      };\n\n      hdlr = function hdlr(type) {\n        return box(types.hdlr, HDLR_TYPES[type]);\n      };\n\n      mdat = function mdat(data) {\n        return box(types.mdat, data);\n      };\n\n      mdhd = function mdhd(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x02, // creation_time\n        0x00, 0x00, 0x00, 0x03, // modification_time\n        0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 \"ticks\" per second\n        track.duration >>> 24 & 0xFF, track.duration >>> 16 & 0xFF, track.duration >>> 8 & 0xFF, track.duration & 0xFF, // duration\n        0x55, 0xc4, // 'und' language (undetermined)\n        0x00, 0x00]); // Use the sample rate from the track metadata, when it is\n        // defined. The sample rate can be parsed out of an ADTS header, for\n        // instance.\n\n        if (track.samplerate) {\n          result[12] = track.samplerate >>> 24 & 0xFF;\n          result[13] = track.samplerate >>> 16 & 0xFF;\n          result[14] = track.samplerate >>> 8 & 0xFF;\n          result[15] = track.samplerate & 0xFF;\n        }\n\n        return box(types.mdhd, result);\n      };\n\n      mdia = function mdia(track) {\n        return box(types.mdia, mdhd(track), hdlr(track.type), minf(track));\n      };\n\n      mfhd = function mfhd(sequenceNumber) {\n        return box(types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags\n        (sequenceNumber & 0xFF000000) >> 24, (sequenceNumber & 0xFF0000) >> 16, (sequenceNumber & 0xFF00) >> 8, sequenceNumber & 0xFF // sequence_number\n        ]));\n      };\n\n      minf = function minf(track) {\n        return box(types.minf, track.type === 'video' ? box(types.vmhd, VMHD) : box(types.smhd, SMHD), dinf(), stbl(track));\n      };\n\n      moof = function moof(sequenceNumber, tracks) {\n        var trackFragments = [],\n            i = tracks.length; // build traf boxes for each track fragment\n\n        while (i--) {\n          trackFragments[i] = traf(tracks[i]);\n        }\n\n        return box.apply(null, [types.moof, mfhd(sequenceNumber)].concat(trackFragments));\n      };\n      /**\n       * Returns a movie box.\n       * @param tracks {array} the tracks associated with this movie\n       * @see ISO/IEC 14496-12:2012(E), section 8.2.1\n       */\n\n\n      moov = function moov(tracks) {\n        var i = tracks.length,\n            boxes = [];\n\n        while (i--) {\n          boxes[i] = trak(tracks[i]);\n        }\n\n        return box.apply(null, [types.moov, mvhd(0xffffffff)].concat(boxes).concat(mvex(tracks)));\n      };\n\n      mvex = function mvex(tracks) {\n        var i = tracks.length,\n            boxes = [];\n\n        while (i--) {\n          boxes[i] = trex(tracks[i]);\n        }\n\n        return box.apply(null, [types.mvex].concat(boxes));\n      };\n\n      mvhd = function mvhd(duration) {\n        var bytes = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x01, // creation_time\n        0x00, 0x00, 0x00, 0x02, // modification_time\n        0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 \"ticks\" per second\n        (duration & 0xFF000000) >> 24, (duration & 0xFF0000) >> 16, (duration & 0xFF00) >> 8, duration & 0xFF, // duration\n        0x00, 0x01, 0x00, 0x00, // 1.0 rate\n        0x01, 0x00, // 1.0 volume\n        0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined\n        0xff, 0xff, 0xff, 0xff // next_track_ID\n        ]);\n        return box(types.mvhd, bytes);\n      };\n\n      sdtp = function sdtp(track) {\n        var samples = track.samples || [],\n            bytes = new Uint8Array(4 + samples.length),\n            flags,\n            i; // leave the full box header (4 bytes) all zero\n        // write the sample table\n\n        for (i = 0; i < samples.length; i++) {\n          flags = samples[i].flags;\n          bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy;\n        }\n\n        return box(types.sdtp, bytes);\n      };\n\n      stbl = function stbl(track) {\n        return box(types.stbl, stsd(track), box(types.stts, STTS), box(types.stsc, STSC), box(types.stsz, STSZ), box(types.stco, STCO));\n      };\n\n      (function () {\n        var videoSample, audioSample;\n\n        stsd = function stsd(track) {\n          return box(types.stsd, new Uint8Array([0x00, // version 0\n          0x00, 0x00, 0x00, // flags\n          0x00, 0x00, 0x00, 0x01]), track.type === 'video' ? videoSample(track) : audioSample(track));\n        };\n\n        videoSample = function videoSample(track) {\n          var sps = track.sps || [],\n              pps = track.pps || [],\n              sequenceParameterSets = [],\n              pictureParameterSets = [],\n              i,\n              avc1Box; // assemble the SPSs\n\n          for (i = 0; i < sps.length; i++) {\n            sequenceParameterSets.push((sps[i].byteLength & 0xFF00) >>> 8);\n            sequenceParameterSets.push(sps[i].byteLength & 0xFF); // sequenceParameterSetLength\n\n            sequenceParameterSets = sequenceParameterSets.concat(Array.prototype.slice.call(sps[i])); // SPS\n          } // assemble the PPSs\n\n\n          for (i = 0; i < pps.length; i++) {\n            pictureParameterSets.push((pps[i].byteLength & 0xFF00) >>> 8);\n            pictureParameterSets.push(pps[i].byteLength & 0xFF);\n            pictureParameterSets = pictureParameterSets.concat(Array.prototype.slice.call(pps[i]));\n          }\n\n          avc1Box = [types.avc1, new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // data_reference_index\n          0x00, 0x00, // pre_defined\n          0x00, 0x00, // reserved\n          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined\n          (track.width & 0xff00) >> 8, track.width & 0xff, // width\n          (track.height & 0xff00) >> 8, track.height & 0xff, // height\n          0x00, 0x48, 0x00, 0x00, // horizresolution\n          0x00, 0x48, 0x00, 0x00, // vertresolution\n          0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // frame_count\n          0x13, 0x76, 0x69, 0x64, 0x65, 0x6f, 0x6a, 0x73, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x69, 0x62, 0x2d, 0x68, 0x6c, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname\n          0x00, 0x18, // depth = 24\n          0x11, 0x11 // pre_defined = -1\n          ]), box(types.avcC, new Uint8Array([0x01, // configurationVersion\n          track.profileIdc, // AVCProfileIndication\n          track.profileCompatibility, // profile_compatibility\n          track.levelIdc, // AVCLevelIndication\n          0xff // lengthSizeMinusOne, hard-coded to 4 bytes\n          ].concat([sps.length], // numOfSequenceParameterSets\n          sequenceParameterSets, // \"SPS\"\n          [pps.length], // numOfPictureParameterSets\n          pictureParameterSets // \"PPS\"\n          ))), box(types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n          0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n          0x00, 0x2d, 0xc6, 0xc0 // avgBitrate\n          ]))];\n\n          if (track.sarRatio) {\n            var hSpacing = track.sarRatio[0],\n                vSpacing = track.sarRatio[1];\n            avc1Box.push(box(types.pasp, new Uint8Array([(hSpacing & 0xFF000000) >> 24, (hSpacing & 0xFF0000) >> 16, (hSpacing & 0xFF00) >> 8, hSpacing & 0xFF, (vSpacing & 0xFF000000) >> 24, (vSpacing & 0xFF0000) >> 16, (vSpacing & 0xFF00) >> 8, vSpacing & 0xFF])));\n          }\n\n          return box.apply(null, avc1Box);\n        };\n\n        audioSample = function audioSample(track) {\n          return box(types.mp4a, new Uint8Array([// SampleEntry, ISO/IEC 14496-12\n          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // data_reference_index\n          // AudioSampleEntry, ISO/IEC 14496-12\n          0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x00, 0x00, 0x00, // reserved\n          (track.channelcount & 0xff00) >> 8, track.channelcount & 0xff, // channelcount\n          (track.samplesize & 0xff00) >> 8, track.samplesize & 0xff, // samplesize\n          0x00, 0x00, // pre_defined\n          0x00, 0x00, // reserved\n          (track.samplerate & 0xff00) >> 8, track.samplerate & 0xff, 0x00, 0x00 // samplerate, 16.16\n          // MP4AudioSampleEntry, ISO/IEC 14496-14\n          ]), esds(track));\n        };\n      })();\n\n      tkhd = function tkhd(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x07, // flags\n        0x00, 0x00, 0x00, 0x00, // creation_time\n        0x00, 0x00, 0x00, 0x00, // modification_time\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x00, // reserved\n        (track.duration & 0xFF000000) >> 24, (track.duration & 0xFF0000) >> 16, (track.duration & 0xFF00) >> 8, track.duration & 0xFF, // duration\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, // layer\n        0x00, 0x00, // alternate_group\n        0x01, 0x00, // non-audio track volume\n        0x00, 0x00, // reserved\n        0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n        (track.width & 0xFF00) >> 8, track.width & 0xFF, 0x00, 0x00, // width\n        (track.height & 0xFF00) >> 8, track.height & 0xFF, 0x00, 0x00 // height\n        ]);\n        return box(types.tkhd, result);\n      };\n      /**\n       * Generate a track fragment (traf) box. A traf box collects metadata\n       * about tracks in a movie fragment (moof) box.\n       */\n\n\n      traf = function traf(track) {\n        var trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable, dataOffset, upperWordBaseMediaDecodeTime, lowerWordBaseMediaDecodeTime;\n        trackFragmentHeader = box(types.tfhd, new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x3a, // flags\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x01, // sample_description_index\n        0x00, 0x00, 0x00, 0x00, // default_sample_duration\n        0x00, 0x00, 0x00, 0x00, // default_sample_size\n        0x00, 0x00, 0x00, 0x00 // default_sample_flags\n        ]));\n        upperWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime / (UINT32_MAX + 1));\n        lowerWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime % (UINT32_MAX + 1));\n        trackFragmentDecodeTime = box(types.tfdt, new Uint8Array([0x01, // version 1\n        0x00, 0x00, 0x00, // flags\n        // baseMediaDecodeTime\n        upperWordBaseMediaDecodeTime >>> 24 & 0xFF, upperWordBaseMediaDecodeTime >>> 16 & 0xFF, upperWordBaseMediaDecodeTime >>> 8 & 0xFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >>> 24 & 0xFF, lowerWordBaseMediaDecodeTime >>> 16 & 0xFF, lowerWordBaseMediaDecodeTime >>> 8 & 0xFF, lowerWordBaseMediaDecodeTime & 0xFF])); // the data offset specifies the number of bytes from the start of\n        // the containing moof to the first payload byte of the associated\n        // mdat\n\n        dataOffset = 32 + // tfhd\n        20 + // tfdt\n        8 + // traf header\n        16 + // mfhd\n        8 + // moof header\n        8; // mdat header\n        // audio tracks require less metadata\n\n        if (track.type === 'audio') {\n          trackFragmentRun = trun(track, dataOffset);\n          return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun);\n        } // video tracks should contain an independent and disposable samples\n        // box (sdtp)\n        // generate one and adjust offsets to match\n\n\n        sampleDependencyTable = sdtp(track);\n        trackFragmentRun = trun(track, sampleDependencyTable.length + dataOffset);\n        return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable);\n      };\n      /**\n       * Generate a track box.\n       * @param track {object} a track definition\n       * @return {Uint8Array} the track box\n       */\n\n\n      trak = function trak(track) {\n        track.duration = track.duration || 0xffffffff;\n        return box(types.trak, tkhd(track), mdia(track));\n      };\n\n      trex = function trex(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n        0x00, 0x00, 0x00, 0x00, // default_sample_duration\n        0x00, 0x00, 0x00, 0x00, // default_sample_size\n        0x00, 0x01, 0x00, 0x01 // default_sample_flags\n        ]); // the last two bytes of default_sample_flags is the sample\n        // degradation priority, a hint about the importance of this sample\n        // relative to others. Lower the degradation priority for all sample\n        // types other than video.\n\n        if (track.type !== 'video') {\n          result[result.length - 1] = 0x00;\n        }\n\n        return box(types.trex, result);\n      };\n\n      (function () {\n        var audioTrun, videoTrun, trunHeader; // This method assumes all samples are uniform. That is, if a\n        // duration is present for the first sample, it will be present for\n        // all subsequent samples.\n        // see ISO/IEC 14496-12:2012, Section 8.8.8.1\n\n        trunHeader = function trunHeader(samples, offset) {\n          var durationPresent = 0,\n              sizePresent = 0,\n              flagsPresent = 0,\n              compositionTimeOffset = 0; // trun flag constants\n\n          if (samples.length) {\n            if (samples[0].duration !== undefined) {\n              durationPresent = 0x1;\n            }\n\n            if (samples[0].size !== undefined) {\n              sizePresent = 0x2;\n            }\n\n            if (samples[0].flags !== undefined) {\n              flagsPresent = 0x4;\n            }\n\n            if (samples[0].compositionTimeOffset !== undefined) {\n              compositionTimeOffset = 0x8;\n            }\n          }\n\n          return [0x00, // version 0\n          0x00, durationPresent | sizePresent | flagsPresent | compositionTimeOffset, 0x01, // flags\n          (samples.length & 0xFF000000) >>> 24, (samples.length & 0xFF0000) >>> 16, (samples.length & 0xFF00) >>> 8, samples.length & 0xFF, // sample_count\n          (offset & 0xFF000000) >>> 24, (offset & 0xFF0000) >>> 16, (offset & 0xFF00) >>> 8, offset & 0xFF // data_offset\n          ];\n        };\n\n        videoTrun = function videoTrun(track, offset) {\n          var bytes, samples, sample, i;\n          samples = track.samples || [];\n          offset += 8 + 12 + 16 * samples.length;\n          bytes = trunHeader(samples, offset);\n\n          for (i = 0; i < samples.length; i++) {\n            sample = samples[i];\n            bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration\n            (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF, // sample_size\n            sample.flags.isLeading << 2 | sample.flags.dependsOn, sample.flags.isDependedOn << 6 | sample.flags.hasRedundancy << 4 | sample.flags.paddingValue << 1 | sample.flags.isNonSyncSample, sample.flags.degradationPriority & 0xF0 << 8, sample.flags.degradationPriority & 0x0F, // sample_flags\n            (sample.compositionTimeOffset & 0xFF000000) >>> 24, (sample.compositionTimeOffset & 0xFF0000) >>> 16, (sample.compositionTimeOffset & 0xFF00) >>> 8, sample.compositionTimeOffset & 0xFF // sample_composition_time_offset\n            ]);\n          }\n\n          return box(types.trun, new Uint8Array(bytes));\n        };\n\n        audioTrun = function audioTrun(track, offset) {\n          var bytes, samples, sample, i;\n          samples = track.samples || [];\n          offset += 8 + 12 + 8 * samples.length;\n          bytes = trunHeader(samples, offset);\n\n          for (i = 0; i < samples.length; i++) {\n            sample = samples[i];\n            bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration\n            (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF]); // sample_size\n          }\n\n          return box(types.trun, new Uint8Array(bytes));\n        };\n\n        trun = function trun(track, offset) {\n          if (track.type === 'audio') {\n            return audioTrun(track, offset);\n          }\n\n          return videoTrun(track, offset);\n        };\n      })();\n\n      var mp4Generator = {\n        ftyp: ftyp,\n        mdat: mdat,\n        moof: moof,\n        moov: moov,\n        initSegment: function initSegment(tracks) {\n          var fileType = ftyp(),\n              movie = moov(tracks),\n              result;\n          result = new Uint8Array(fileType.byteLength + movie.byteLength);\n          result.set(fileType);\n          result.set(movie, fileType.byteLength);\n          return result;\n        }\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n      // Convert an array of nal units into an array of frames with each frame being\n      // composed of the nal units that make up that frame\n      // Also keep track of cummulative data about the frame from the nal units such\n      // as the frame duration, starting pts, etc.\n\n      var groupNalsIntoFrames = function groupNalsIntoFrames(nalUnits) {\n        var i,\n            currentNal,\n            currentFrame = [],\n            frames = []; // TODO added for LHLS, make sure this is OK\n\n        frames.byteLength = 0;\n        frames.nalCount = 0;\n        frames.duration = 0;\n        currentFrame.byteLength = 0;\n\n        for (i = 0; i < nalUnits.length; i++) {\n          currentNal = nalUnits[i]; // Split on 'aud'-type nal units\n\n          if (currentNal.nalUnitType === 'access_unit_delimiter_rbsp') {\n            // Since the very first nal unit is expected to be an AUD\n            // only push to the frames array when currentFrame is not empty\n            if (currentFrame.length) {\n              currentFrame.duration = currentNal.dts - currentFrame.dts; // TODO added for LHLS, make sure this is OK\n\n              frames.byteLength += currentFrame.byteLength;\n              frames.nalCount += currentFrame.length;\n              frames.duration += currentFrame.duration;\n              frames.push(currentFrame);\n            }\n\n            currentFrame = [currentNal];\n            currentFrame.byteLength = currentNal.data.byteLength;\n            currentFrame.pts = currentNal.pts;\n            currentFrame.dts = currentNal.dts;\n          } else {\n            // Specifically flag key frames for ease of use later\n            if (currentNal.nalUnitType === 'slice_layer_without_partitioning_rbsp_idr') {\n              currentFrame.keyFrame = true;\n            }\n\n            currentFrame.duration = currentNal.dts - currentFrame.dts;\n            currentFrame.byteLength += currentNal.data.byteLength;\n            currentFrame.push(currentNal);\n          }\n        } // For the last frame, use the duration of the previous frame if we\n        // have nothing better to go on\n\n\n        if (frames.length && (!currentFrame.duration || currentFrame.duration <= 0)) {\n          currentFrame.duration = frames[frames.length - 1].duration;\n        } // Push the final frame\n        // TODO added for LHLS, make sure this is OK\n\n\n        frames.byteLength += currentFrame.byteLength;\n        frames.nalCount += currentFrame.length;\n        frames.duration += currentFrame.duration;\n        frames.push(currentFrame);\n        return frames;\n      }; // Convert an array of frames into an array of Gop with each Gop being composed\n      // of the frames that make up that Gop\n      // Also keep track of cummulative data about the Gop from the frames such as the\n      // Gop duration, starting pts, etc.\n\n\n      var groupFramesIntoGops = function groupFramesIntoGops(frames) {\n        var i,\n            currentFrame,\n            currentGop = [],\n            gops = []; // We must pre-set some of the values on the Gop since we\n        // keep running totals of these values\n\n        currentGop.byteLength = 0;\n        currentGop.nalCount = 0;\n        currentGop.duration = 0;\n        currentGop.pts = frames[0].pts;\n        currentGop.dts = frames[0].dts; // store some metadata about all the Gops\n\n        gops.byteLength = 0;\n        gops.nalCount = 0;\n        gops.duration = 0;\n        gops.pts = frames[0].pts;\n        gops.dts = frames[0].dts;\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n\n          if (currentFrame.keyFrame) {\n            // Since the very first frame is expected to be an keyframe\n            // only push to the gops array when currentGop is not empty\n            if (currentGop.length) {\n              gops.push(currentGop);\n              gops.byteLength += currentGop.byteLength;\n              gops.nalCount += currentGop.nalCount;\n              gops.duration += currentGop.duration;\n            }\n\n            currentGop = [currentFrame];\n            currentGop.nalCount = currentFrame.length;\n            currentGop.byteLength = currentFrame.byteLength;\n            currentGop.pts = currentFrame.pts;\n            currentGop.dts = currentFrame.dts;\n            currentGop.duration = currentFrame.duration;\n          } else {\n            currentGop.duration += currentFrame.duration;\n            currentGop.nalCount += currentFrame.length;\n            currentGop.byteLength += currentFrame.byteLength;\n            currentGop.push(currentFrame);\n          }\n        }\n\n        if (gops.length && currentGop.duration <= 0) {\n          currentGop.duration = gops[gops.length - 1].duration;\n        }\n\n        gops.byteLength += currentGop.byteLength;\n        gops.nalCount += currentGop.nalCount;\n        gops.duration += currentGop.duration; // push the final Gop\n\n        gops.push(currentGop);\n        return gops;\n      };\n      /*\n       * Search for the first keyframe in the GOPs and throw away all frames\n       * until that keyframe. Then extend the duration of the pulled keyframe\n       * and pull the PTS and DTS of the keyframe so that it covers the time\n       * range of the frames that were disposed.\n       *\n       * @param {Array} gops video GOPs\n       * @returns {Array} modified video GOPs\n       */\n\n\n      var extendFirstKeyFrame = function extendFirstKeyFrame(gops) {\n        var currentGop;\n\n        if (!gops[0][0].keyFrame && gops.length > 1) {\n          // Remove the first GOP\n          currentGop = gops.shift();\n          gops.byteLength -= currentGop.byteLength;\n          gops.nalCount -= currentGop.nalCount; // Extend the first frame of what is now the\n          // first gop to cover the time period of the\n          // frames we just removed\n\n          gops[0][0].dts = currentGop.dts;\n          gops[0][0].pts = currentGop.pts;\n          gops[0][0].duration += currentGop.duration;\n        }\n\n        return gops;\n      };\n      /**\n       * Default sample object\n       * see ISO/IEC 14496-12:2012, section 8.6.4.3\n       */\n\n\n      var createDefaultSample = function createDefaultSample() {\n        return {\n          size: 0,\n          flags: {\n            isLeading: 0,\n            dependsOn: 1,\n            isDependedOn: 0,\n            hasRedundancy: 0,\n            degradationPriority: 0,\n            isNonSyncSample: 1\n          }\n        };\n      };\n      /*\n       * Collates information from a video frame into an object for eventual\n       * entry into an MP4 sample table.\n       *\n       * @param {Object} frame the video frame\n       * @param {Number} dataOffset the byte offset to position the sample\n       * @return {Object} object containing sample table info for a frame\n       */\n\n\n      var sampleForFrame = function sampleForFrame(frame, dataOffset) {\n        var sample = createDefaultSample();\n        sample.dataOffset = dataOffset;\n        sample.compositionTimeOffset = frame.pts - frame.dts;\n        sample.duration = frame.duration;\n        sample.size = 4 * frame.length; // Space for nal unit size\n\n        sample.size += frame.byteLength;\n\n        if (frame.keyFrame) {\n          sample.flags.dependsOn = 2;\n          sample.flags.isNonSyncSample = 0;\n        }\n\n        return sample;\n      }; // generate the track's sample table from an array of gops\n\n\n      var generateSampleTable = function generateSampleTable(gops, baseDataOffset) {\n        var h,\n            i,\n            sample,\n            currentGop,\n            currentFrame,\n            dataOffset = baseDataOffset || 0,\n            samples = [];\n\n        for (h = 0; h < gops.length; h++) {\n          currentGop = gops[h];\n\n          for (i = 0; i < currentGop.length; i++) {\n            currentFrame = currentGop[i];\n            sample = sampleForFrame(currentFrame, dataOffset);\n            dataOffset += sample.size;\n            samples.push(sample);\n          }\n        }\n\n        return samples;\n      }; // generate the track's raw mdat data from an array of gops\n\n\n      var concatenateNalData = function concatenateNalData(gops) {\n        var h,\n            i,\n            j,\n            currentGop,\n            currentFrame,\n            currentNal,\n            dataOffset = 0,\n            nalsByteLength = gops.byteLength,\n            numberOfNals = gops.nalCount,\n            totalByteLength = nalsByteLength + 4 * numberOfNals,\n            data = new Uint8Array(totalByteLength),\n            view = new DataView(data.buffer); // For each Gop..\n\n        for (h = 0; h < gops.length; h++) {\n          currentGop = gops[h]; // For each Frame..\n\n          for (i = 0; i < currentGop.length; i++) {\n            currentFrame = currentGop[i]; // For each NAL..\n\n            for (j = 0; j < currentFrame.length; j++) {\n              currentNal = currentFrame[j];\n              view.setUint32(dataOffset, currentNal.data.byteLength);\n              dataOffset += 4;\n              data.set(currentNal.data, dataOffset);\n              dataOffset += currentNal.data.byteLength;\n            }\n          }\n        }\n\n        return data;\n      }; // generate the track's sample table from a frame\n\n\n      var generateSampleTableForFrame = function generateSampleTableForFrame(frame, baseDataOffset) {\n        var sample,\n            dataOffset = baseDataOffset || 0,\n            samples = [];\n        sample = sampleForFrame(frame, dataOffset);\n        samples.push(sample);\n        return samples;\n      }; // generate the track's raw mdat data from a frame\n\n\n      var concatenateNalDataForFrame = function concatenateNalDataForFrame(frame) {\n        var i,\n            currentNal,\n            dataOffset = 0,\n            nalsByteLength = frame.byteLength,\n            numberOfNals = frame.length,\n            totalByteLength = nalsByteLength + 4 * numberOfNals,\n            data = new Uint8Array(totalByteLength),\n            view = new DataView(data.buffer); // For each NAL..\n\n        for (i = 0; i < frame.length; i++) {\n          currentNal = frame[i];\n          view.setUint32(dataOffset, currentNal.data.byteLength);\n          dataOffset += 4;\n          data.set(currentNal.data, dataOffset);\n          dataOffset += currentNal.data.byteLength;\n        }\n\n        return data;\n      };\n\n      var frameUtils = {\n        groupNalsIntoFrames: groupNalsIntoFrames,\n        groupFramesIntoGops: groupFramesIntoGops,\n        extendFirstKeyFrame: extendFirstKeyFrame,\n        generateSampleTable: generateSampleTable,\n        concatenateNalData: concatenateNalData,\n        generateSampleTableForFrame: generateSampleTableForFrame,\n        concatenateNalDataForFrame: concatenateNalDataForFrame\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var highPrefix = [33, 16, 5, 32, 164, 27];\n      var lowPrefix = [33, 65, 108, 84, 1, 2, 4, 8, 168, 2, 4, 8, 17, 191, 252];\n\n      var zeroFill = function zeroFill(count) {\n        var a = [];\n\n        while (count--) {\n          a.push(0);\n        }\n\n        return a;\n      };\n\n      var makeTable = function makeTable(metaTable) {\n        return Object.keys(metaTable).reduce(function (obj, key) {\n          obj[key] = new Uint8Array(metaTable[key].reduce(function (arr, part) {\n            return arr.concat(part);\n          }, []));\n          return obj;\n        }, {});\n      }; // Frames-of-silence to use for filling in missing AAC frames\n\n\n      var coneOfSilence = {\n        96000: [highPrefix, [227, 64], zeroFill(154), [56]],\n        88200: [highPrefix, [231], zeroFill(170), [56]],\n        64000: [highPrefix, [248, 192], zeroFill(240), [56]],\n        48000: [highPrefix, [255, 192], zeroFill(268), [55, 148, 128], zeroFill(54), [112]],\n        44100: [highPrefix, [255, 192], zeroFill(268), [55, 163, 128], zeroFill(84), [112]],\n        32000: [highPrefix, [255, 192], zeroFill(268), [55, 234], zeroFill(226), [112]],\n        24000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 112], zeroFill(126), [224]],\n        16000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 255], zeroFill(269), [223, 108], zeroFill(195), [1, 192]],\n        12000: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 253, 128], zeroFill(259), [56]],\n        11025: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 255, 192], zeroFill(268), [55, 175, 128], zeroFill(108), [112]],\n        8000: [lowPrefix, zeroFill(268), [3, 121, 16], zeroFill(47), [7]]\n      };\n      var silence = makeTable(coneOfSilence);\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ONE_SECOND_IN_TS = 90000,\n          // 90kHz clock\n      secondsToVideoTs,\n          secondsToAudioTs,\n          videoTsToSeconds,\n          audioTsToSeconds,\n          audioTsToVideoTs,\n          videoTsToAudioTs,\n          metadataTsToSeconds;\n\n      secondsToVideoTs = function secondsToVideoTs(seconds) {\n        return seconds * ONE_SECOND_IN_TS;\n      };\n\n      secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {\n        return seconds * sampleRate;\n      };\n\n      videoTsToSeconds = function videoTsToSeconds(timestamp) {\n        return timestamp / ONE_SECOND_IN_TS;\n      };\n\n      audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {\n        return timestamp / sampleRate;\n      };\n\n      audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {\n        return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));\n      };\n\n      videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {\n        return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);\n      };\n      /**\n       * Adjust ID3 tag or caption timing information by the timeline pts values\n       * (if keepOriginalTimestamps is false) and convert to seconds\n       */\n\n\n      metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {\n        return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);\n      };\n\n      var clock = {\n        ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,\n        secondsToVideoTs: secondsToVideoTs,\n        secondsToAudioTs: secondsToAudioTs,\n        videoTsToSeconds: videoTsToSeconds,\n        audioTsToSeconds: audioTsToSeconds,\n        audioTsToVideoTs: audioTsToVideoTs,\n        videoTsToAudioTs: videoTsToAudioTs,\n        metadataTsToSeconds: metadataTsToSeconds\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      /**\n       * Sum the `byteLength` properties of the data in each AAC frame\n       */\n\n      var sumFrameByteLengths = function sumFrameByteLengths(array) {\n        var i,\n            currentObj,\n            sum = 0; // sum the byteLength's all each nal unit in the frame\n\n        for (i = 0; i < array.length; i++) {\n          currentObj = array[i];\n          sum += currentObj.data.byteLength;\n        }\n\n        return sum;\n      }; // Possibly pad (prefix) the audio track with silence if appending this track\n      // would lead to the introduction of a gap in the audio buffer\n\n\n      var prefixWithSilence = function prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime) {\n        var baseMediaDecodeTimeTs,\n            frameDuration = 0,\n            audioGapDuration = 0,\n            audioFillFrameCount = 0,\n            audioFillDuration = 0,\n            silentFrame,\n            i,\n            firstFrame;\n\n        if (!frames.length) {\n          return;\n        }\n\n        baseMediaDecodeTimeTs = clock.audioTsToVideoTs(track.baseMediaDecodeTime, track.samplerate); // determine frame clock duration based on sample rate, round up to avoid overfills\n\n        frameDuration = Math.ceil(clock.ONE_SECOND_IN_TS / (track.samplerate / 1024));\n\n        if (audioAppendStartTs && videoBaseMediaDecodeTime) {\n          // insert the shortest possible amount (audio gap or audio to video gap)\n          audioGapDuration = baseMediaDecodeTimeTs - Math.max(audioAppendStartTs, videoBaseMediaDecodeTime); // number of full frames in the audio gap\n\n          audioFillFrameCount = Math.floor(audioGapDuration / frameDuration);\n          audioFillDuration = audioFillFrameCount * frameDuration;\n        } // don't attempt to fill gaps smaller than a single frame or larger\n        // than a half second\n\n\n        if (audioFillFrameCount < 1 || audioFillDuration > clock.ONE_SECOND_IN_TS / 2) {\n          return;\n        }\n\n        silentFrame = silence[track.samplerate];\n\n        if (!silentFrame) {\n          // we don't have a silent frame pregenerated for the sample rate, so use a frame\n          // from the content instead\n          silentFrame = frames[0].data;\n        }\n\n        for (i = 0; i < audioFillFrameCount; i++) {\n          firstFrame = frames[0];\n          frames.splice(0, 0, {\n            data: silentFrame,\n            dts: firstFrame.dts - frameDuration,\n            pts: firstFrame.pts - frameDuration\n          });\n        }\n\n        track.baseMediaDecodeTime -= Math.floor(clock.videoTsToAudioTs(audioFillDuration, track.samplerate));\n      }; // If the audio segment extends before the earliest allowed dts\n      // value, remove AAC frames until starts at or after the earliest\n      // allowed DTS so that we don't end up with a negative baseMedia-\n      // DecodeTime for the audio track\n\n\n      var trimAdtsFramesByEarliestDts = function trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts) {\n        if (track.minSegmentDts >= earliestAllowedDts) {\n          return adtsFrames;\n        } // We will need to recalculate the earliest segment Dts\n\n\n        track.minSegmentDts = Infinity;\n        return adtsFrames.filter(function (currentFrame) {\n          // If this is an allowed frame, keep it and record it's Dts\n          if (currentFrame.dts >= earliestAllowedDts) {\n            track.minSegmentDts = Math.min(track.minSegmentDts, currentFrame.dts);\n            track.minSegmentPts = track.minSegmentDts;\n            return true;\n          } // Otherwise, discard it\n\n\n          return false;\n        });\n      }; // generate the track's raw mdat data from an array of frames\n\n\n      var generateSampleTable$1 = function generateSampleTable(frames) {\n        var i,\n            currentFrame,\n            samples = [];\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n          samples.push({\n            size: currentFrame.data.byteLength,\n            duration: 1024 // For AAC audio, all samples contain 1024 samples\n\n          });\n        }\n\n        return samples;\n      }; // generate the track's sample table from an array of frames\n\n\n      var concatenateFrameData = function concatenateFrameData(frames) {\n        var i,\n            currentFrame,\n            dataOffset = 0,\n            data = new Uint8Array(sumFrameByteLengths(frames));\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n          data.set(currentFrame.data, dataOffset);\n          dataOffset += currentFrame.data.byteLength;\n        }\n\n        return data;\n      };\n\n      var audioFrameUtils = {\n        prefixWithSilence: prefixWithSilence,\n        trimAdtsFramesByEarliestDts: trimAdtsFramesByEarliestDts,\n        generateSampleTable: generateSampleTable$1,\n        concatenateFrameData: concatenateFrameData\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;\n      /**\n       * Store information about the start and end of the track and the\n       * duration for each frame/sample we process in order to calculate\n       * the baseMediaDecodeTime\n       */\n\n      var collectDtsInfo = function collectDtsInfo(track, data) {\n        if (typeof data.pts === 'number') {\n          if (track.timelineStartInfo.pts === undefined) {\n            track.timelineStartInfo.pts = data.pts;\n          }\n\n          if (track.minSegmentPts === undefined) {\n            track.minSegmentPts = data.pts;\n          } else {\n            track.minSegmentPts = Math.min(track.minSegmentPts, data.pts);\n          }\n\n          if (track.maxSegmentPts === undefined) {\n            track.maxSegmentPts = data.pts;\n          } else {\n            track.maxSegmentPts = Math.max(track.maxSegmentPts, data.pts);\n          }\n        }\n\n        if (typeof data.dts === 'number') {\n          if (track.timelineStartInfo.dts === undefined) {\n            track.timelineStartInfo.dts = data.dts;\n          }\n\n          if (track.minSegmentDts === undefined) {\n            track.minSegmentDts = data.dts;\n          } else {\n            track.minSegmentDts = Math.min(track.minSegmentDts, data.dts);\n          }\n\n          if (track.maxSegmentDts === undefined) {\n            track.maxSegmentDts = data.dts;\n          } else {\n            track.maxSegmentDts = Math.max(track.maxSegmentDts, data.dts);\n          }\n        }\n      };\n      /**\n       * Clear values used to calculate the baseMediaDecodeTime between\n       * tracks\n       */\n\n\n      var clearDtsInfo = function clearDtsInfo(track) {\n        delete track.minSegmentDts;\n        delete track.maxSegmentDts;\n        delete track.minSegmentPts;\n        delete track.maxSegmentPts;\n      };\n      /**\n       * Calculate the track's baseMediaDecodeTime based on the earliest\n       * DTS the transmuxer has ever seen and the minimum DTS for the\n       * current track\n       * @param track {object} track metadata configuration\n       * @param keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n\n      var calculateTrackBaseMediaDecodeTime = function calculateTrackBaseMediaDecodeTime(track, keepOriginalTimestamps) {\n        var baseMediaDecodeTime,\n            scale,\n            minSegmentDts = track.minSegmentDts; // Optionally adjust the time so the first segment starts at zero.\n\n        if (!keepOriginalTimestamps) {\n          minSegmentDts -= track.timelineStartInfo.dts;\n        } // track.timelineStartInfo.baseMediaDecodeTime is the location, in time, where\n        // we want the start of the first segment to be placed\n\n\n        baseMediaDecodeTime = track.timelineStartInfo.baseMediaDecodeTime; // Add to that the distance this segment is from the very first\n\n        baseMediaDecodeTime += minSegmentDts; // baseMediaDecodeTime must not become negative\n\n        baseMediaDecodeTime = Math.max(0, baseMediaDecodeTime);\n\n        if (track.type === 'audio') {\n          // Audio has a different clock equal to the sampling_rate so we need to\n          // scale the PTS values into the clock rate of the track\n          scale = track.samplerate / ONE_SECOND_IN_TS$1;\n          baseMediaDecodeTime *= scale;\n          baseMediaDecodeTime = Math.floor(baseMediaDecodeTime);\n        }\n\n        return baseMediaDecodeTime;\n      };\n\n      var trackDecodeInfo = {\n        clearDtsInfo: clearDtsInfo,\n        calculateTrackBaseMediaDecodeTime: calculateTrackBaseMediaDecodeTime,\n        collectDtsInfo: collectDtsInfo\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Reads in-band caption information from a video elementary\n       * stream. Captions must follow the CEA-708 standard for injection\n       * into an MPEG-2 transport streams.\n       * @see https://en.wikipedia.org/wiki/CEA-708\n       * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf\n       */\n      // Supplemental enhancement information (SEI) NAL units have a\n      // payload type field to indicate how they are to be\n      // interpreted. CEAS-708 caption content is always transmitted with\n      // payload type 0x04.\n\n      var USER_DATA_REGISTERED_ITU_T_T35 = 4,\n          RBSP_TRAILING_BITS = 128;\n      /**\n        * Parse a supplemental enhancement information (SEI) NAL unit.\n        * Stops parsing once a message of type ITU T T35 has been found.\n        *\n        * @param bytes {Uint8Array} the bytes of a SEI NAL unit\n        * @return {object} the parsed SEI payload\n        * @see Rec. ITU-T H.264, 7.3.2.3.1\n        */\n\n      var parseSei = function parseSei(bytes) {\n        var i = 0,\n            result = {\n          payloadType: -1,\n          payloadSize: 0\n        },\n            payloadType = 0,\n            payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message\n\n        while (i < bytes.byteLength) {\n          // stop once we have hit the end of the sei_rbsp\n          if (bytes[i] === RBSP_TRAILING_BITS) {\n            break;\n          } // Parse payload type\n\n\n          while (bytes[i] === 0xFF) {\n            payloadType += 255;\n            i++;\n          }\n\n          payloadType += bytes[i++]; // Parse payload size\n\n          while (bytes[i] === 0xFF) {\n            payloadSize += 255;\n            i++;\n          }\n\n          payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break\n          // there can only ever be one caption message in a frame's sei\n\n          if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {\n            result.payloadType = payloadType;\n            result.payloadSize = payloadSize;\n            result.payload = bytes.subarray(i, i + payloadSize);\n            break;\n          } // skip the payload and parse the next message\n\n\n          i += payloadSize;\n          payloadType = 0;\n          payloadSize = 0;\n        }\n\n        return result;\n      }; // see ANSI/SCTE 128-1 (2013), section 8.1\n\n\n      var parseUserData = function parseUserData(sei) {\n        // itu_t_t35_contry_code must be 181 (United States) for\n        // captions\n        if (sei.payload[0] !== 181) {\n          return null;\n        } // itu_t_t35_provider_code should be 49 (ATSC) for captions\n\n\n        if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {\n          return null;\n        } // the user_identifier should be \"GA94\" to indicate ATSC1 data\n\n\n        if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {\n          return null;\n        } // finally, user_data_type_code should be 0x03 for caption data\n\n\n        if (sei.payload[7] !== 0x03) {\n          return null;\n        } // return the user_data_type_structure and strip the trailing\n        // marker bits\n\n\n        return sei.payload.subarray(8, sei.payload.length - 1);\n      }; // see CEA-708-D, section 4.4\n\n\n      var parseCaptionPackets = function parseCaptionPackets(pts, userData) {\n        var results = [],\n            i,\n            count,\n            offset,\n            data; // if this is just filler, return immediately\n\n        if (!(userData[0] & 0x40)) {\n          return results;\n        } // parse out the cc_data_1 and cc_data_2 fields\n\n\n        count = userData[0] & 0x1f;\n\n        for (i = 0; i < count; i++) {\n          offset = i * 3;\n          data = {\n            type: userData[offset + 2] & 0x03,\n            pts: pts\n          }; // capture cc data when cc_valid is 1\n\n          if (userData[offset + 2] & 0x04) {\n            data.ccData = userData[offset + 3] << 8 | userData[offset + 4];\n            results.push(data);\n          }\n        }\n\n        return results;\n      };\n\n      var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n        var length = data.byteLength,\n            emulationPreventionBytesPositions = [],\n            i = 1,\n            newLength,\n            newData; // Find all `Emulation Prevention Bytes`\n\n        while (i < length - 2) {\n          if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n            emulationPreventionBytesPositions.push(i + 2);\n            i += 2;\n          } else {\n            i++;\n          }\n        } // If no Emulation Prevention Bytes were found just return the original\n        // array\n\n\n        if (emulationPreventionBytesPositions.length === 0) {\n          return data;\n        } // Create a new array to hold the NAL unit data\n\n\n        newLength = length - emulationPreventionBytesPositions.length;\n        newData = new Uint8Array(newLength);\n        var sourceIndex = 0;\n\n        for (i = 0; i < newLength; sourceIndex++, i++) {\n          if (sourceIndex === emulationPreventionBytesPositions[0]) {\n            // Skip this byte\n            sourceIndex++; // Remove this position index\n\n            emulationPreventionBytesPositions.shift();\n          }\n\n          newData[i] = data[sourceIndex];\n        }\n\n        return newData;\n      }; // exports\n\n\n      var captionPacketParser = {\n        parseSei: parseSei,\n        parseUserData: parseUserData,\n        parseCaptionPackets: parseCaptionPackets,\n        discardEmulationPreventionBytes: discardEmulationPreventionBytes,\n        USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35\n      }; // -----------------\n      // Link To Transport\n      // -----------------\n\n      var CaptionStream = function CaptionStream() {\n        CaptionStream.prototype.init.call(this);\n        this.captionPackets_ = [];\n        this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define\n        new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define\n        new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define\n        new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define\n        ];\n        this.reset(); // forward data and done events from CCs to this CaptionStream\n\n        this.ccStreams_.forEach(function (cc) {\n          cc.on('data', this.trigger.bind(this, 'data'));\n          cc.on('partialdone', this.trigger.bind(this, 'partialdone'));\n          cc.on('done', this.trigger.bind(this, 'done'));\n        }, this);\n      };\n\n      CaptionStream.prototype = new stream();\n\n      CaptionStream.prototype.push = function (event) {\n        var sei, userData, newCaptionPackets; // only examine SEI NALs\n\n        if (event.nalUnitType !== 'sei_rbsp') {\n          return;\n        } // parse the sei\n\n\n        sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35\n\n        if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {\n          return;\n        } // parse out the user data payload\n\n\n        userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData\n\n        if (!userData) {\n          return;\n        } // Sometimes, the same segment # will be downloaded twice. To stop the\n        // caption data from being processed twice, we track the latest dts we've\n        // received and ignore everything with a dts before that. However, since\n        // data for a specific dts can be split across packets on either side of\n        // a segment boundary, we need to make sure we *don't* ignore the packets\n        // from the *next* segment that have dts === this.latestDts_. By constantly\n        // tracking the number of packets received with dts === this.latestDts_, we\n        // know how many should be ignored once we start receiving duplicates.\n\n\n        if (event.dts < this.latestDts_) {\n          // We've started getting older data, so set the flag.\n          this.ignoreNextEqualDts_ = true;\n          return;\n        } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {\n          this.numSameDts_--;\n\n          if (!this.numSameDts_) {\n            // We've received the last duplicate packet, time to start processing again\n            this.ignoreNextEqualDts_ = false;\n          }\n\n          return;\n        } // parse out CC data packets and save them for later\n\n\n        newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);\n        this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);\n\n        if (this.latestDts_ !== event.dts) {\n          this.numSameDts_ = 0;\n        }\n\n        this.numSameDts_++;\n        this.latestDts_ = event.dts;\n      };\n\n      CaptionStream.prototype.flushCCStreams = function (flushType) {\n        this.ccStreams_.forEach(function (cc) {\n          return flushType === 'flush' ? cc.flush() : cc.partialFlush();\n        }, this);\n      };\n\n      CaptionStream.prototype.flushStream = function (flushType) {\n        // make sure we actually parsed captions before proceeding\n        if (!this.captionPackets_.length) {\n          this.flushCCStreams(flushType);\n          return;\n        } // In Chrome, the Array#sort function is not stable so add a\n        // presortIndex that we can use to ensure we get a stable-sort\n\n\n        this.captionPackets_.forEach(function (elem, idx) {\n          elem.presortIndex = idx;\n        }); // sort caption byte-pairs based on their PTS values\n\n        this.captionPackets_.sort(function (a, b) {\n          if (a.pts === b.pts) {\n            return a.presortIndex - b.presortIndex;\n          }\n\n          return a.pts - b.pts;\n        });\n        this.captionPackets_.forEach(function (packet) {\n          if (packet.type < 2) {\n            // Dispatch packet to the right Cea608Stream\n            this.dispatchCea608Packet(packet);\n          } // this is where an 'else' would go for a dispatching packets\n          // to a theoretical Cea708Stream that handles SERVICEn data\n\n        }, this);\n        this.captionPackets_.length = 0;\n        this.flushCCStreams(flushType);\n      };\n\n      CaptionStream.prototype.flush = function () {\n        return this.flushStream('flush');\n      }; // Only called if handling partial data\n\n\n      CaptionStream.prototype.partialFlush = function () {\n        return this.flushStream('partialFlush');\n      };\n\n      CaptionStream.prototype.reset = function () {\n        this.latestDts_ = null;\n        this.ignoreNextEqualDts_ = false;\n        this.numSameDts_ = 0;\n        this.activeCea608Channel_ = [null, null];\n        this.ccStreams_.forEach(function (ccStream) {\n          ccStream.reset();\n        });\n      }; // From the CEA-608 spec:\n\n      /*\n       * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed\n       * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is\n       * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair\n       * and subsequent data should then be processed according to the FCC rules. It may be necessary for the\n       * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)\n       * to switch to captioning or Text.\n      */\n      // With that in mind, we ignore any data between an XDS control code and a\n      // subsequent closed-captioning control code.\n\n\n      CaptionStream.prototype.dispatchCea608Packet = function (packet) {\n        // NOTE: packet.type is the CEA608 field\n        if (this.setsTextOrXDSActive(packet)) {\n          this.activeCea608Channel_[packet.type] = null;\n        } else if (this.setsChannel1Active(packet)) {\n          this.activeCea608Channel_[packet.type] = 0;\n        } else if (this.setsChannel2Active(packet)) {\n          this.activeCea608Channel_[packet.type] = 1;\n        }\n\n        if (this.activeCea608Channel_[packet.type] === null) {\n          // If we haven't received anything to set the active channel, or the\n          // packets are Text/XDS data, discard the data; we don't want jumbled\n          // captions\n          return;\n        }\n\n        this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);\n      };\n\n      CaptionStream.prototype.setsChannel1Active = function (packet) {\n        return (packet.ccData & 0x7800) === 0x1000;\n      };\n\n      CaptionStream.prototype.setsChannel2Active = function (packet) {\n        return (packet.ccData & 0x7800) === 0x1800;\n      };\n\n      CaptionStream.prototype.setsTextOrXDSActive = function (packet) {\n        return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;\n      }; // ----------------------\n      // Session to Application\n      // ----------------------\n      // This hash maps non-ASCII, special, and extended character codes to their\n      // proper Unicode equivalent. The first keys that are only a single byte\n      // are the non-standard ASCII characters, which simply map the CEA608 byte\n      // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608\n      // character codes, but have their MSB bitmasked with 0x03 so that a lookup\n      // can be performed regardless of the field and data channel on which the\n      // character code was received.\n\n\n      var CHARACTER_TRANSLATION = {\n        0x2a: 0xe1,\n        // á\n        0x5c: 0xe9,\n        // é\n        0x5e: 0xed,\n        // í\n        0x5f: 0xf3,\n        // ó\n        0x60: 0xfa,\n        // ú\n        0x7b: 0xe7,\n        // ç\n        0x7c: 0xf7,\n        // ÷\n        0x7d: 0xd1,\n        // Ñ\n        0x7e: 0xf1,\n        // ñ\n        0x7f: 0x2588,\n        // █\n        0x0130: 0xae,\n        // ®\n        0x0131: 0xb0,\n        // °\n        0x0132: 0xbd,\n        // ½\n        0x0133: 0xbf,\n        // ¿\n        0x0134: 0x2122,\n        // ™\n        0x0135: 0xa2,\n        // ¢\n        0x0136: 0xa3,\n        // £\n        0x0137: 0x266a,\n        // ♪\n        0x0138: 0xe0,\n        // à\n        0x0139: 0xa0,\n        //\n        0x013a: 0xe8,\n        // è\n        0x013b: 0xe2,\n        // â\n        0x013c: 0xea,\n        // ê\n        0x013d: 0xee,\n        // î\n        0x013e: 0xf4,\n        // ô\n        0x013f: 0xfb,\n        // û\n        0x0220: 0xc1,\n        // Á\n        0x0221: 0xc9,\n        // É\n        0x0222: 0xd3,\n        // Ó\n        0x0223: 0xda,\n        // Ú\n        0x0224: 0xdc,\n        // Ü\n        0x0225: 0xfc,\n        // ü\n        0x0226: 0x2018,\n        // ‘\n        0x0227: 0xa1,\n        // ¡\n        0x0228: 0x2a,\n        // *\n        0x0229: 0x27,\n        // '\n        0x022a: 0x2014,\n        // —\n        0x022b: 0xa9,\n        // ©\n        0x022c: 0x2120,\n        // ℠\n        0x022d: 0x2022,\n        // •\n        0x022e: 0x201c,\n        // “\n        0x022f: 0x201d,\n        // ”\n        0x0230: 0xc0,\n        // À\n        0x0231: 0xc2,\n        // Â\n        0x0232: 0xc7,\n        // Ç\n        0x0233: 0xc8,\n        // È\n        0x0234: 0xca,\n        // Ê\n        0x0235: 0xcb,\n        // Ë\n        0x0236: 0xeb,\n        // ë\n        0x0237: 0xce,\n        // Î\n        0x0238: 0xcf,\n        // Ï\n        0x0239: 0xef,\n        // ï\n        0x023a: 0xd4,\n        // Ô\n        0x023b: 0xd9,\n        // Ù\n        0x023c: 0xf9,\n        // ù\n        0x023d: 0xdb,\n        // Û\n        0x023e: 0xab,\n        // «\n        0x023f: 0xbb,\n        // »\n        0x0320: 0xc3,\n        // Ã\n        0x0321: 0xe3,\n        // ã\n        0x0322: 0xcd,\n        // Í\n        0x0323: 0xcc,\n        // Ì\n        0x0324: 0xec,\n        // ì\n        0x0325: 0xd2,\n        // Ò\n        0x0326: 0xf2,\n        // ò\n        0x0327: 0xd5,\n        // Õ\n        0x0328: 0xf5,\n        // õ\n        0x0329: 0x7b,\n        // {\n        0x032a: 0x7d,\n        // }\n        0x032b: 0x5c,\n        // \\\n        0x032c: 0x5e,\n        // ^\n        0x032d: 0x5f,\n        // _\n        0x032e: 0x7c,\n        // |\n        0x032f: 0x7e,\n        // ~\n        0x0330: 0xc4,\n        // Ä\n        0x0331: 0xe4,\n        // ä\n        0x0332: 0xd6,\n        // Ö\n        0x0333: 0xf6,\n        // ö\n        0x0334: 0xdf,\n        // ß\n        0x0335: 0xa5,\n        // ¥\n        0x0336: 0xa4,\n        // ¤\n        0x0337: 0x2502,\n        // │\n        0x0338: 0xc5,\n        // Å\n        0x0339: 0xe5,\n        // å\n        0x033a: 0xd8,\n        // Ø\n        0x033b: 0xf8,\n        // ø\n        0x033c: 0x250c,\n        // ┌\n        0x033d: 0x2510,\n        // ┐\n        0x033e: 0x2514,\n        // └\n        0x033f: 0x2518 // ┘\n\n      };\n\n      var getCharFromCode = function getCharFromCode(code) {\n        if (code === null) {\n          return '';\n        }\n\n        code = CHARACTER_TRANSLATION[code] || code;\n        return String.fromCharCode(code);\n      }; // the index of the last row in a CEA-608 display buffer\n\n\n      var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of\n      // getting it through bit logic.\n\n      var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character\n      // cells. The \"bottom\" row is the last element in the outer array.\n\n      var createDisplayBuffer = function createDisplayBuffer() {\n        var result = [],\n            i = BOTTOM_ROW + 1;\n\n        while (i--) {\n          result.push('');\n        }\n\n        return result;\n      };\n\n      var Cea608Stream = function Cea608Stream(field, dataChannel) {\n        Cea608Stream.prototype.init.call(this);\n        this.field_ = field || 0;\n        this.dataChannel_ = dataChannel || 0;\n        this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);\n        this.setConstants();\n        this.reset();\n\n        this.push = function (packet) {\n          var data, swap, char0, char1, text; // remove the parity bits\n\n          data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice\n\n          if (data === this.lastControlCode_) {\n            this.lastControlCode_ = null;\n            return;\n          } // Store control codes\n\n\n          if ((data & 0xf000) === 0x1000) {\n            this.lastControlCode_ = data;\n          } else if (data !== this.PADDING_) {\n            this.lastControlCode_ = null;\n          }\n\n          char0 = data >>> 8;\n          char1 = data & 0xff;\n\n          if (data === this.PADDING_) {\n            return;\n          } else if (data === this.RESUME_CAPTION_LOADING_) {\n            this.mode_ = 'popOn';\n          } else if (data === this.END_OF_CAPTION_) {\n            // If an EOC is received while in paint-on mode, the displayed caption\n            // text should be swapped to non-displayed memory as if it was a pop-on\n            // caption. Because of that, we should explicitly switch back to pop-on\n            // mode\n            this.mode_ = 'popOn';\n            this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now\n\n            this.flushDisplayed(packet.pts); // flip memory\n\n            swap = this.displayed_;\n            this.displayed_ = this.nonDisplayed_;\n            this.nonDisplayed_ = swap; // start measuring the time to display the caption\n\n            this.startPts_ = packet.pts;\n          } else if (data === this.ROLL_UP_2_ROWS_) {\n            this.rollUpRows_ = 2;\n            this.setRollUp(packet.pts);\n          } else if (data === this.ROLL_UP_3_ROWS_) {\n            this.rollUpRows_ = 3;\n            this.setRollUp(packet.pts);\n          } else if (data === this.ROLL_UP_4_ROWS_) {\n            this.rollUpRows_ = 4;\n            this.setRollUp(packet.pts);\n          } else if (data === this.CARRIAGE_RETURN_) {\n            this.clearFormatting(packet.pts);\n            this.flushDisplayed(packet.pts);\n            this.shiftRowsUp_();\n            this.startPts_ = packet.pts;\n          } else if (data === this.BACKSPACE_) {\n            if (this.mode_ === 'popOn') {\n              this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n            } else {\n              this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n            }\n          } else if (data === this.ERASE_DISPLAYED_MEMORY_) {\n            this.flushDisplayed(packet.pts);\n            this.displayed_ = createDisplayBuffer();\n          } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {\n            this.nonDisplayed_ = createDisplayBuffer();\n          } else if (data === this.RESUME_DIRECT_CAPTIONING_) {\n            if (this.mode_ !== 'paintOn') {\n              // NOTE: This should be removed when proper caption positioning is\n              // implemented\n              this.flushDisplayed(packet.pts);\n              this.displayed_ = createDisplayBuffer();\n            }\n\n            this.mode_ = 'paintOn';\n            this.startPts_ = packet.pts; // Append special characters to caption text\n          } else if (this.isSpecialCharacter(char0, char1)) {\n            // Bitmask char0 so that we can apply character transformations\n            // regardless of field and data channel.\n            // Then byte-shift to the left and OR with char1 so we can pass the\n            // entire character code to `getCharFromCode`.\n            char0 = (char0 & 0x03) << 8;\n            text = getCharFromCode(char0 | char1);\n            this[this.mode_](packet.pts, text);\n            this.column_++; // Append extended characters to caption text\n          } else if (this.isExtCharacter(char0, char1)) {\n            // Extended characters always follow their \"non-extended\" equivalents.\n            // IE if a \"è\" is desired, you'll always receive \"eè\"; non-compliant\n            // decoders are supposed to drop the \"è\", while compliant decoders\n            // backspace the \"e\" and insert \"è\".\n            // Delete the previous character\n            if (this.mode_ === 'popOn') {\n              this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n            } else {\n              this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n            } // Bitmask char0 so that we can apply character transformations\n            // regardless of field and data channel.\n            // Then byte-shift to the left and OR with char1 so we can pass the\n            // entire character code to `getCharFromCode`.\n\n\n            char0 = (char0 & 0x03) << 8;\n            text = getCharFromCode(char0 | char1);\n            this[this.mode_](packet.pts, text);\n            this.column_++; // Process mid-row codes\n          } else if (this.isMidRowCode(char0, char1)) {\n            // Attributes are not additive, so clear all formatting\n            this.clearFormatting(packet.pts); // According to the standard, mid-row codes\n            // should be replaced with spaces, so add one now\n\n            this[this.mode_](packet.pts, ' ');\n            this.column_++;\n\n            if ((char1 & 0xe) === 0xe) {\n              this.addFormatting(packet.pts, ['i']);\n            }\n\n            if ((char1 & 0x1) === 0x1) {\n              this.addFormatting(packet.pts, ['u']);\n            } // Detect offset control codes and adjust cursor\n\n          } else if (this.isOffsetControlCode(char0, char1)) {\n            // Cursor position is set by indent PAC (see below) in 4-column\n            // increments, with an additional offset code of 1-3 to reach any\n            // of the 32 columns specified by CEA-608. So all we need to do\n            // here is increment the column cursor by the given offset.\n            this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)\n          } else if (this.isPAC(char0, char1)) {\n            // There's no logic for PAC -> row mapping, so we have to just\n            // find the row code in an array and use its index :(\n            var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode\n\n            if (this.mode_ === 'rollUp') {\n              // This implies that the base row is incorrectly set.\n              // As per the recommendation in CEA-608(Base Row Implementation), defer to the number\n              // of roll-up rows set.\n              if (row - this.rollUpRows_ + 1 < 0) {\n                row = this.rollUpRows_ - 1;\n              }\n\n              this.setRollUp(packet.pts, row);\n            }\n\n            if (row !== this.row_) {\n              // formatting is only persistent for current row\n              this.clearFormatting(packet.pts);\n              this.row_ = row;\n            } // All PACs can apply underline, so detect and apply\n            // (All odd-numbered second bytes set underline)\n\n\n            if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {\n              this.addFormatting(packet.pts, ['u']);\n            }\n\n            if ((data & 0x10) === 0x10) {\n              // We've got an indent level code. Each successive even number\n              // increments the column cursor by 4, so we can get the desired\n              // column position by bit-shifting to the right (to get n/2)\n              // and multiplying by 4.\n              this.column_ = ((data & 0xe) >> 1) * 4;\n            }\n\n            if (this.isColorPAC(char1)) {\n              // it's a color code, though we only support white, which\n              // can be either normal or italicized. white italics can be\n              // either 0x4e or 0x6e depending on the row, so we just\n              // bitwise-and with 0xe to see if italics should be turned on\n              if ((char1 & 0xe) === 0xe) {\n                this.addFormatting(packet.pts, ['i']);\n              }\n            } // We have a normal character in char0, and possibly one in char1\n\n          } else if (this.isNormalChar(char0)) {\n            if (char1 === 0x00) {\n              char1 = null;\n            }\n\n            text = getCharFromCode(char0);\n            text += getCharFromCode(char1);\n            this[this.mode_](packet.pts, text);\n            this.column_ += text.length;\n          } // finish data processing\n\n        };\n      };\n\n      Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the\n      // display buffer\n\n      Cea608Stream.prototype.flushDisplayed = function (pts) {\n        var content = this.displayed_ // remove spaces from the start and end of the string\n        .map(function (row) {\n          try {\n            return row.trim();\n          } catch (e) {\n            // Ordinarily, this shouldn't happen. However, caption\n            // parsing errors should not throw exceptions and\n            // break playback.\n            // eslint-disable-next-line no-console\n            console.error('Skipping malformed caption.');\n            return '';\n          }\n        }) // combine all text rows to display in one cue\n        .join('\\n') // and remove blank rows from the start and end, but not the middle\n        .replace(/^\\n+|\\n+$/g, '');\n\n        if (content.length) {\n          this.trigger('data', {\n            startPts: this.startPts_,\n            endPts: pts,\n            text: content,\n            stream: this.name_\n          });\n        }\n      };\n      /**\n       * Zero out the data, used for startup and on seek\n       */\n\n\n      Cea608Stream.prototype.reset = function () {\n        this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will\n        // actually display captions. If a caption is shifted to a row\n        // with a lower index than this, it is cleared from the display\n        // buffer\n\n        this.topRow_ = 0;\n        this.startPts_ = 0;\n        this.displayed_ = createDisplayBuffer();\n        this.nonDisplayed_ = createDisplayBuffer();\n        this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing\n\n        this.column_ = 0;\n        this.row_ = BOTTOM_ROW;\n        this.rollUpRows_ = 2; // This variable holds currently-applied formatting\n\n        this.formatting_ = [];\n      };\n      /**\n       * Sets up control code and related constants for this instance\n       */\n\n\n      Cea608Stream.prototype.setConstants = function () {\n        // The following attributes have these uses:\n        // ext_ :    char0 for mid-row codes, and the base for extended\n        //           chars (ext_+0, ext_+1, and ext_+2 are char0s for\n        //           extended codes)\n        // control_: char0 for control codes, except byte-shifted to the\n        //           left so that we can do this.control_ | CONTROL_CODE\n        // offset_:  char0 for tab offset codes\n        //\n        // It's also worth noting that control codes, and _only_ control codes,\n        // differ between field 1 and field2. Field 2 control codes are always\n        // their field 1 value plus 1. That's why there's the \"| field\" on the\n        // control value.\n        if (this.dataChannel_ === 0) {\n          this.BASE_ = 0x10;\n          this.EXT_ = 0x11;\n          this.CONTROL_ = (0x14 | this.field_) << 8;\n          this.OFFSET_ = 0x17;\n        } else if (this.dataChannel_ === 1) {\n          this.BASE_ = 0x18;\n          this.EXT_ = 0x19;\n          this.CONTROL_ = (0x1c | this.field_) << 8;\n          this.OFFSET_ = 0x1f;\n        } // Constants for the LSByte command codes recognized by Cea608Stream. This\n        // list is not exhaustive. For a more comprehensive listing and semantics see\n        // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf\n        // Padding\n\n\n        this.PADDING_ = 0x0000; // Pop-on Mode\n\n        this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;\n        this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode\n\n        this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;\n        this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;\n        this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;\n        this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode\n\n        this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure\n\n        this.BACKSPACE_ = this.CONTROL_ | 0x21;\n        this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;\n        this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;\n      };\n      /**\n       * Detects if the 2-byte packet data is a special character\n       *\n       * Special characters have a second byte in the range 0x30 to 0x3f,\n       * with the first byte being 0x11 (for data channel 1) or 0x19 (for\n       * data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an special character\n       */\n\n\n      Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {\n        return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;\n      };\n      /**\n       * Detects if the 2-byte packet data is an extended character\n       *\n       * Extended characters have a second byte in the range 0x20 to 0x3f,\n       * with the first byte being 0x12 or 0x13 (for data channel 1) or\n       * 0x1a or 0x1b (for data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an extended character\n       */\n\n\n      Cea608Stream.prototype.isExtCharacter = function (char0, char1) {\n        return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;\n      };\n      /**\n       * Detects if the 2-byte packet is a mid-row code\n       *\n       * Mid-row codes have a second byte in the range 0x20 to 0x2f, with\n       * the first byte being 0x11 (for data channel 1) or 0x19 (for data\n       * channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are a mid-row code\n       */\n\n\n      Cea608Stream.prototype.isMidRowCode = function (char0, char1) {\n        return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;\n      };\n      /**\n       * Detects if the 2-byte packet is an offset control code\n       *\n       * Offset control codes have a second byte in the range 0x21 to 0x23,\n       * with the first byte being 0x17 (for data channel 1) or 0x1f (for\n       * data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an offset control code\n       */\n\n\n      Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {\n        return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;\n      };\n      /**\n       * Detects if the 2-byte packet is a Preamble Address Code\n       *\n       * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)\n       * or 0x18 to 0x1f (for data channel 2), with the second byte in the\n       * range 0x40 to 0x7f.\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are a PAC\n       */\n\n\n      Cea608Stream.prototype.isPAC = function (char0, char1) {\n        return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;\n      };\n      /**\n       * Detects if a packet's second byte is in the range of a PAC color code\n       *\n       * PAC color codes have the second byte be in the range 0x40 to 0x4f, or\n       * 0x60 to 0x6f.\n       *\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the byte is a color PAC\n       */\n\n\n      Cea608Stream.prototype.isColorPAC = function (char1) {\n        return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;\n      };\n      /**\n       * Detects if a single byte is in the range of a normal character\n       *\n       * Normal text bytes are in the range 0x20 to 0x7f.\n       *\n       * @param  {Integer} char  The byte\n       * @return {Boolean}       Whether the byte is a normal character\n       */\n\n\n      Cea608Stream.prototype.isNormalChar = function (_char) {\n        return _char >= 0x20 && _char <= 0x7f;\n      };\n      /**\n       * Configures roll-up\n       *\n       * @param  {Integer} pts         Current PTS\n       * @param  {Integer} newBaseRow  Used by PACs to slide the current window to\n       *                               a new position\n       */\n\n\n      Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {\n        // Reset the base row to the bottom row when switching modes\n        if (this.mode_ !== 'rollUp') {\n          this.row_ = BOTTOM_ROW;\n          this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up\n\n          this.flushDisplayed(pts);\n          this.nonDisplayed_ = createDisplayBuffer();\n          this.displayed_ = createDisplayBuffer();\n        }\n\n        if (newBaseRow !== undefined && newBaseRow !== this.row_) {\n          // move currently displayed captions (up or down) to the new base row\n          for (var i = 0; i < this.rollUpRows_; i++) {\n            this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];\n            this.displayed_[this.row_ - i] = '';\n          }\n        }\n\n        if (newBaseRow === undefined) {\n          newBaseRow = this.row_;\n        }\n\n        this.topRow_ = newBaseRow - this.rollUpRows_ + 1;\n      }; // Adds the opening HTML tag for the passed character to the caption text,\n      // and keeps track of it for later closing\n\n\n      Cea608Stream.prototype.addFormatting = function (pts, format) {\n        this.formatting_ = this.formatting_.concat(format);\n        var text = format.reduce(function (text, format) {\n          return text + '<' + format + '>';\n        }, '');\n        this[this.mode_](pts, text);\n      }; // Adds HTML closing tags for current formatting to caption text and\n      // clears remembered formatting\n\n\n      Cea608Stream.prototype.clearFormatting = function (pts) {\n        if (!this.formatting_.length) {\n          return;\n        }\n\n        var text = this.formatting_.reverse().reduce(function (text, format) {\n          return text + '</' + format + '>';\n        }, '');\n        this.formatting_ = [];\n        this[this.mode_](pts, text);\n      }; // Mode Implementations\n\n\n      Cea608Stream.prototype.popOn = function (pts, text) {\n        var baseRow = this.nonDisplayed_[this.row_]; // buffer characters\n\n        baseRow += text;\n        this.nonDisplayed_[this.row_] = baseRow;\n      };\n\n      Cea608Stream.prototype.rollUp = function (pts, text) {\n        var baseRow = this.displayed_[this.row_];\n        baseRow += text;\n        this.displayed_[this.row_] = baseRow;\n      };\n\n      Cea608Stream.prototype.shiftRowsUp_ = function () {\n        var i; // clear out inactive rows\n\n        for (i = 0; i < this.topRow_; i++) {\n          this.displayed_[i] = '';\n        }\n\n        for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {\n          this.displayed_[i] = '';\n        } // shift displayed rows up\n\n\n        for (i = this.topRow_; i < this.row_; i++) {\n          this.displayed_[i] = this.displayed_[i + 1];\n        } // clear out the bottom row\n\n\n        this.displayed_[this.row_] = '';\n      };\n\n      Cea608Stream.prototype.paintOn = function (pts, text) {\n        var baseRow = this.displayed_[this.row_];\n        baseRow += text;\n        this.displayed_[this.row_] = baseRow;\n      }; // exports\n\n\n      var captionStream = {\n        CaptionStream: CaptionStream,\n        Cea608Stream: Cea608Stream\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var streamTypes = {\n        H264_STREAM_TYPE: 0x1B,\n        ADTS_STREAM_TYPE: 0x0F,\n        METADATA_STREAM_TYPE: 0x15\n      };\n      var MAX_TS = 8589934592;\n      var RO_THRESH = 4294967296;\n      var TYPE_SHARED = 'shared';\n\n      var handleRollover = function handleRollover(value, reference) {\n        var direction = 1;\n\n        if (value > reference) {\n          // If the current timestamp value is greater than our reference timestamp and we detect a\n          // timestamp rollover, this means the roll over is happening in the opposite direction.\n          // Example scenario: Enter a long stream/video just after a rollover occurred. The reference\n          // point will be set to a small number, e.g. 1. The user then seeks backwards over the\n          // rollover point. In loading this segment, the timestamp values will be very large,\n          // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust\n          // the time stamp to be `value - 2^33`.\n          direction = -1;\n        } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will\n        // cause an incorrect adjustment.\n\n\n        while (Math.abs(reference - value) > RO_THRESH) {\n          value += direction * MAX_TS;\n        }\n\n        return value;\n      };\n\n      var TimestampRolloverStream = function TimestampRolloverStream(type) {\n        var lastDTS, referenceDTS;\n        TimestampRolloverStream.prototype.init.call(this); // The \"shared\" type is used in cases where a stream will contain muxed\n        // video and audio. We could use `undefined` here, but having a string\n        // makes debugging a little clearer.\n\n        this.type_ = type || TYPE_SHARED;\n\n        this.push = function (data) {\n          // Any \"shared\" rollover streams will accept _all_ data. Otherwise,\n          // streams will only accept data that matches their type.\n          if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {\n            return;\n          }\n\n          if (referenceDTS === undefined) {\n            referenceDTS = data.dts;\n          }\n\n          data.dts = handleRollover(data.dts, referenceDTS);\n          data.pts = handleRollover(data.pts, referenceDTS);\n          lastDTS = data.dts;\n          this.trigger('data', data);\n        };\n\n        this.flush = function () {\n          referenceDTS = lastDTS;\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n\n        this.discontinuity = function () {\n          referenceDTS = void 0;\n          lastDTS = void 0;\n        };\n\n        this.reset = function () {\n          this.discontinuity();\n          this.trigger('reset');\n        };\n      };\n\n      TimestampRolloverStream.prototype = new stream();\n      var timestampRolloverStream = {\n        TimestampRolloverStream: TimestampRolloverStream,\n        handleRollover: handleRollover\n      };\n\n      var percentEncode = function percentEncode(bytes, start, end) {\n        var i,\n            result = '';\n\n        for (i = start; i < end; i++) {\n          result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n        }\n\n        return result;\n      },\n          // return the string representation of the specified byte range,\n      // interpreted as UTf-8.\n      parseUtf8 = function parseUtf8(bytes, start, end) {\n        return decodeURIComponent(percentEncode(bytes, start, end));\n      },\n          // return the string representation of the specified byte range,\n      // interpreted as ISO-8859-1.\n      parseIso88591 = function parseIso88591(bytes, start, end) {\n        return unescape(percentEncode(bytes, start, end)); // jshint ignore:line\n      },\n          parseSyncSafeInteger = function parseSyncSafeInteger(data) {\n        return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n      },\n          tagParsers = {\n        TXXX: function TXXX(tag) {\n          var i;\n\n          if (tag.data[0] !== 3) {\n            // ignore frames with unrecognized character encodings\n            return;\n          }\n\n          for (i = 1; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the text fields\n              tag.description = parseUtf8(tag.data, 1, i); // do not include the null terminator in the tag value\n\n              tag.value = parseUtf8(tag.data, i + 1, tag.data.length).replace(/\\0*$/, '');\n              break;\n            }\n          }\n\n          tag.data = tag.value;\n        },\n        WXXX: function WXXX(tag) {\n          var i;\n\n          if (tag.data[0] !== 3) {\n            // ignore frames with unrecognized character encodings\n            return;\n          }\n\n          for (i = 1; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the description and URL fields\n              tag.description = parseUtf8(tag.data, 1, i);\n              tag.url = parseUtf8(tag.data, i + 1, tag.data.length);\n              break;\n            }\n          }\n        },\n        PRIV: function PRIV(tag) {\n          var i;\n\n          for (i = 0; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the description and URL fields\n              tag.owner = parseIso88591(tag.data, 0, i);\n              break;\n            }\n          }\n\n          tag.privateData = tag.data.subarray(i + 1);\n          tag.data = tag.privateData;\n        }\n      },\n          _MetadataStream;\n\n      _MetadataStream = function MetadataStream(options) {\n        var settings = {\n          debug: !!(options && options.debug),\n          // the bytes of the program-level descriptor field in MP2T\n          // see ISO/IEC 13818-1:2013 (E), section 2.6 \"Program and\n          // program element descriptors\"\n          descriptor: options && options.descriptor\n        },\n            // the total size in bytes of the ID3 tag being parsed\n        tagSize = 0,\n            // tag data that is not complete enough to be parsed\n        buffer = [],\n            // the total number of bytes currently in the buffer\n        bufferSize = 0,\n            i;\n\n        _MetadataStream.prototype.init.call(this); // calculate the text track in-band metadata track dispatch type\n        // https://html.spec.whatwg.org/multipage/embedded-content.html#steps-to-expose-a-media-resource-specific-text-track\n\n\n        this.dispatchType = streamTypes.METADATA_STREAM_TYPE.toString(16);\n\n        if (settings.descriptor) {\n          for (i = 0; i < settings.descriptor.length; i++) {\n            this.dispatchType += ('00' + settings.descriptor[i].toString(16)).slice(-2);\n          }\n        }\n\n        this.push = function (chunk) {\n          var tag, frameStart, frameSize, frame, i, frameHeader;\n\n          if (chunk.type !== 'timed-metadata') {\n            return;\n          } // if data_alignment_indicator is set in the PES header,\n          // we must have the start of a new ID3 tag. Assume anything\n          // remaining in the buffer was malformed and throw it out\n\n\n          if (chunk.dataAlignmentIndicator) {\n            bufferSize = 0;\n            buffer.length = 0;\n          } // ignore events that don't look like ID3 data\n\n\n          if (buffer.length === 0 && (chunk.data.length < 10 || chunk.data[0] !== 'I'.charCodeAt(0) || chunk.data[1] !== 'D'.charCodeAt(0) || chunk.data[2] !== '3'.charCodeAt(0))) {\n            if (settings.debug) {\n              // eslint-disable-next-line no-console\n              console.log('Skipping unrecognized metadata packet');\n            }\n\n            return;\n          } // add this chunk to the data we've collected so far\n\n\n          buffer.push(chunk);\n          bufferSize += chunk.data.byteLength; // grab the size of the entire frame from the ID3 header\n\n          if (buffer.length === 1) {\n            // the frame size is transmitted as a 28-bit integer in the\n            // last four bytes of the ID3 header.\n            // The most significant bit of each byte is dropped and the\n            // results concatenated to recover the actual value.\n            tagSize = parseSyncSafeInteger(chunk.data.subarray(6, 10)); // ID3 reports the tag size excluding the header but it's more\n            // convenient for our comparisons to include it\n\n            tagSize += 10;\n          } // if the entire frame has not arrived, wait for more data\n\n\n          if (bufferSize < tagSize) {\n            return;\n          } // collect the entire frame so it can be parsed\n\n\n          tag = {\n            data: new Uint8Array(tagSize),\n            frames: [],\n            pts: buffer[0].pts,\n            dts: buffer[0].dts\n          };\n\n          for (i = 0; i < tagSize;) {\n            tag.data.set(buffer[0].data.subarray(0, tagSize - i), i);\n            i += buffer[0].data.byteLength;\n            bufferSize -= buffer[0].data.byteLength;\n            buffer.shift();\n          } // find the start of the first frame and the end of the tag\n\n\n          frameStart = 10;\n\n          if (tag.data[5] & 0x40) {\n            // advance the frame start past the extended header\n            frameStart += 4; // header size field\n\n            frameStart += parseSyncSafeInteger(tag.data.subarray(10, 14)); // clip any padding off the end\n\n            tagSize -= parseSyncSafeInteger(tag.data.subarray(16, 20));\n          } // parse one or more ID3 frames\n          // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n          do {\n            // determine the number of bytes in this frame\n            frameSize = parseSyncSafeInteger(tag.data.subarray(frameStart + 4, frameStart + 8));\n\n            if (frameSize < 1) {\n              // eslint-disable-next-line no-console\n              return console.log('Malformed ID3 frame encountered. Skipping metadata parsing.');\n            }\n\n            frameHeader = String.fromCharCode(tag.data[frameStart], tag.data[frameStart + 1], tag.data[frameStart + 2], tag.data[frameStart + 3]);\n            frame = {\n              id: frameHeader,\n              data: tag.data.subarray(frameStart + 10, frameStart + frameSize + 10)\n            };\n            frame.key = frame.id;\n\n            if (tagParsers[frame.id]) {\n              tagParsers[frame.id](frame); // handle the special PRIV frame used to indicate the start\n              // time for raw AAC data\n\n              if (frame.owner === 'com.apple.streaming.transportStreamTimestamp') {\n                var d = frame.data,\n                    size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n                size *= 4;\n                size += d[7] & 0x03;\n                frame.timeStamp = size; // in raw AAC, all subsequent data will be timestamped based\n                // on the value of this frame\n                // we couldn't have known the appropriate pts and dts before\n                // parsing this ID3 tag so set those values now\n\n                if (tag.pts === undefined && tag.dts === undefined) {\n                  tag.pts = frame.timeStamp;\n                  tag.dts = frame.timeStamp;\n                }\n\n                this.trigger('timestamp', frame);\n              }\n            }\n\n            tag.frames.push(frame);\n            frameStart += 10; // advance past the frame header\n\n            frameStart += frameSize; // advance past the frame body\n          } while (frameStart < tagSize);\n\n          this.trigger('data', tag);\n        };\n      };\n\n      _MetadataStream.prototype = new stream();\n      var metadataStream = _MetadataStream;\n      var TimestampRolloverStream$1 = timestampRolloverStream.TimestampRolloverStream; // object types\n\n      var _TransportPacketStream, _TransportParseStream, _ElementaryStream; // constants\n\n\n      var MP2T_PACKET_LENGTH = 188,\n          // bytes\n      SYNC_BYTE = 0x47;\n      /**\n       * Splits an incoming stream of binary data into MPEG-2 Transport\n       * Stream packets.\n       */\n\n      _TransportPacketStream = function TransportPacketStream() {\n        var buffer = new Uint8Array(MP2T_PACKET_LENGTH),\n            bytesInBuffer = 0;\n\n        _TransportPacketStream.prototype.init.call(this); // Deliver new bytes to the stream.\n\n        /**\n         * Split a stream of data into M2TS packets\n        **/\n\n\n        this.push = function (bytes) {\n          var startIndex = 0,\n              endIndex = MP2T_PACKET_LENGTH,\n              everything; // If there are bytes remaining from the last segment, prepend them to the\n          // bytes that were pushed in\n\n          if (bytesInBuffer) {\n            everything = new Uint8Array(bytes.byteLength + bytesInBuffer);\n            everything.set(buffer.subarray(0, bytesInBuffer));\n            everything.set(bytes, bytesInBuffer);\n            bytesInBuffer = 0;\n          } else {\n            everything = bytes;\n          } // While we have enough data for a packet\n\n\n          while (endIndex < everything.byteLength) {\n            // Look for a pair of start and end sync bytes in the data..\n            if (everything[startIndex] === SYNC_BYTE && everything[endIndex] === SYNC_BYTE) {\n              // We found a packet so emit it and jump one whole packet forward in\n              // the stream\n              this.trigger('data', everything.subarray(startIndex, endIndex));\n              startIndex += MP2T_PACKET_LENGTH;\n              endIndex += MP2T_PACKET_LENGTH;\n              continue;\n            } // If we get here, we have somehow become de-synchronized and we need to step\n            // forward one byte at a time until we find a pair of sync bytes that denote\n            // a packet\n\n\n            startIndex++;\n            endIndex++;\n          } // If there was some data left over at the end of the segment that couldn't\n          // possibly be a whole packet, keep it because it might be the start of a packet\n          // that continues in the next segment\n\n\n          if (startIndex < everything.byteLength) {\n            buffer.set(everything.subarray(startIndex), 0);\n            bytesInBuffer = everything.byteLength - startIndex;\n          }\n        };\n        /**\n         * Passes identified M2TS packets to the TransportParseStream to be parsed\n        **/\n\n\n        this.flush = function () {\n          // If the buffer contains a whole packet when we are being flushed, emit it\n          // and empty the buffer. Otherwise hold onto the data because it may be\n          // important for decoding the next segment\n          if (bytesInBuffer === MP2T_PACKET_LENGTH && buffer[0] === SYNC_BYTE) {\n            this.trigger('data', buffer);\n            bytesInBuffer = 0;\n          }\n\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n\n        this.reset = function () {\n          bytesInBuffer = 0;\n          this.trigger('reset');\n        };\n      };\n\n      _TransportPacketStream.prototype = new stream();\n      /**\n       * Accepts an MP2T TransportPacketStream and emits data events with parsed\n       * forms of the individual transport stream packets.\n       */\n\n      _TransportParseStream = function TransportParseStream() {\n        var parsePsi, parsePat, parsePmt, self;\n\n        _TransportParseStream.prototype.init.call(this);\n\n        self = this;\n        this.packetsWaitingForPmt = [];\n        this.programMapTable = undefined;\n\n        parsePsi = function parsePsi(payload, psi) {\n          var offset = 0; // PSI packets may be split into multiple sections and those\n          // sections may be split into multiple packets. If a PSI\n          // section starts in this packet, the payload_unit_start_indicator\n          // will be true and the first byte of the payload will indicate\n          // the offset from the current position to the start of the\n          // section.\n\n          if (psi.payloadUnitStartIndicator) {\n            offset += payload[offset] + 1;\n          }\n\n          if (psi.type === 'pat') {\n            parsePat(payload.subarray(offset), psi);\n          } else {\n            parsePmt(payload.subarray(offset), psi);\n          }\n        };\n\n        parsePat = function parsePat(payload, pat) {\n          pat.section_number = payload[7]; // eslint-disable-line camelcase\n\n          pat.last_section_number = payload[8]; // eslint-disable-line camelcase\n          // skip the PSI header and parse the first PMT entry\n\n          self.pmtPid = (payload[10] & 0x1F) << 8 | payload[11];\n          pat.pmtPid = self.pmtPid;\n        };\n        /**\n         * Parse out the relevant fields of a Program Map Table (PMT).\n         * @param payload {Uint8Array} the PMT-specific portion of an MP2T\n         * packet. The first byte in this array should be the table_id\n         * field.\n         * @param pmt {object} the object that should be decorated with\n         * fields parsed from the PMT.\n         */\n\n\n        parsePmt = function parsePmt(payload, pmt) {\n          var sectionLength, tableEnd, programInfoLength, offset; // PMTs can be sent ahead of the time when they should actually\n          // take effect. We don't believe this should ever be the case\n          // for HLS but we'll ignore \"forward\" PMT declarations if we see\n          // them. Future PMT declarations have the current_next_indicator\n          // set to zero.\n\n          if (!(payload[5] & 0x01)) {\n            return;\n          } // overwrite any existing program map table\n\n\n          self.programMapTable = {\n            video: null,\n            audio: null,\n            'timed-metadata': {}\n          }; // the mapping table ends at the end of the current section\n\n          sectionLength = (payload[1] & 0x0f) << 8 | payload[2];\n          tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how\n          // long the program info descriptors are\n\n          programInfoLength = (payload[10] & 0x0f) << 8 | payload[11]; // advance the offset to the first entry in the mapping table\n\n          offset = 12 + programInfoLength;\n\n          while (offset < tableEnd) {\n            var streamType = payload[offset];\n            var pid = (payload[offset + 1] & 0x1F) << 8 | payload[offset + 2]; // only map a single elementary_pid for audio and video stream types\n            // TODO: should this be done for metadata too? for now maintain behavior of\n            //       multiple metadata streams\n\n            if (streamType === streamTypes.H264_STREAM_TYPE && self.programMapTable.video === null) {\n              self.programMapTable.video = pid;\n            } else if (streamType === streamTypes.ADTS_STREAM_TYPE && self.programMapTable.audio === null) {\n              self.programMapTable.audio = pid;\n            } else if (streamType === streamTypes.METADATA_STREAM_TYPE) {\n              // map pid to stream type for metadata streams\n              self.programMapTable['timed-metadata'][pid] = streamType;\n            } // move to the next table entry\n            // skip past the elementary stream descriptors, if present\n\n\n            offset += ((payload[offset + 3] & 0x0F) << 8 | payload[offset + 4]) + 5;\n          } // record the map on the packet as well\n\n\n          pmt.programMapTable = self.programMapTable;\n        };\n        /**\n         * Deliver a new MP2T packet to the next stream in the pipeline.\n         */\n\n\n        this.push = function (packet) {\n          var result = {},\n              offset = 4;\n          result.payloadUnitStartIndicator = !!(packet[1] & 0x40); // pid is a 13-bit field starting at the last bit of packet[1]\n\n          result.pid = packet[1] & 0x1f;\n          result.pid <<= 8;\n          result.pid |= packet[2]; // if an adaption field is present, its length is specified by the\n          // fifth byte of the TS packet header. The adaptation field is\n          // used to add stuffing to PES packets that don't fill a complete\n          // TS packet, and to specify some forms of timing and control data\n          // that we do not currently use.\n\n          if ((packet[3] & 0x30) >>> 4 > 0x01) {\n            offset += packet[offset] + 1;\n          } // parse the rest of the packet based on the type\n\n\n          if (result.pid === 0) {\n            result.type = 'pat';\n            parsePsi(packet.subarray(offset), result);\n            this.trigger('data', result);\n          } else if (result.pid === this.pmtPid) {\n            result.type = 'pmt';\n            parsePsi(packet.subarray(offset), result);\n            this.trigger('data', result); // if there are any packets waiting for a PMT to be found, process them now\n\n            while (this.packetsWaitingForPmt.length) {\n              this.processPes_.apply(this, this.packetsWaitingForPmt.shift());\n            }\n          } else if (this.programMapTable === undefined) {\n            // When we have not seen a PMT yet, defer further processing of\n            // PES packets until one has been parsed\n            this.packetsWaitingForPmt.push([packet, offset, result]);\n          } else {\n            this.processPes_(packet, offset, result);\n          }\n        };\n\n        this.processPes_ = function (packet, offset, result) {\n          // set the appropriate stream type\n          if (result.pid === this.programMapTable.video) {\n            result.streamType = streamTypes.H264_STREAM_TYPE;\n          } else if (result.pid === this.programMapTable.audio) {\n            result.streamType = streamTypes.ADTS_STREAM_TYPE;\n          } else {\n            // if not video or audio, it is timed-metadata or unknown\n            // if unknown, streamType will be undefined\n            result.streamType = this.programMapTable['timed-metadata'][result.pid];\n          }\n\n          result.type = 'pes';\n          result.data = packet.subarray(offset);\n          this.trigger('data', result);\n        };\n      };\n\n      _TransportParseStream.prototype = new stream();\n      _TransportParseStream.STREAM_TYPES = {\n        h264: 0x1b,\n        adts: 0x0f\n      };\n      /**\n       * Reconsistutes program elementary stream (PES) packets from parsed\n       * transport stream packets. That is, if you pipe an\n       * mp2t.TransportParseStream into a mp2t.ElementaryStream, the output\n       * events will be events which capture the bytes for individual PES\n       * packets plus relevant metadata that has been extracted from the\n       * container.\n       */\n\n      _ElementaryStream = function ElementaryStream() {\n        var self = this,\n            // PES packet fragments\n        video = {\n          data: [],\n          size: 0\n        },\n            audio = {\n          data: [],\n          size: 0\n        },\n            timedMetadata = {\n          data: [],\n          size: 0\n        },\n            programMapTable,\n            parsePes = function parsePes(payload, pes) {\n          var ptsDtsFlags; // get the packet length, this will be 0 for video\n\n          pes.packetLength = 6 + (payload[4] << 8 | payload[5]); // find out if this packets starts a new keyframe\n\n          pes.dataAlignmentIndicator = (payload[6] & 0x04) !== 0; // PES packets may be annotated with a PTS value, or a PTS value\n          // and a DTS value. Determine what combination of values is\n          // available to work with.\n\n          ptsDtsFlags = payload[7]; // PTS and DTS are normally stored as a 33-bit number.  Javascript\n          // performs all bitwise operations on 32-bit integers but javascript\n          // supports a much greater range (52-bits) of integer using standard\n          // mathematical operations.\n          // We construct a 31-bit value using bitwise operators over the 31\n          // most significant bits and then multiply by 4 (equal to a left-shift\n          // of 2) before we add the final 2 least significant bits of the\n          // timestamp (equal to an OR.)\n\n          if (ptsDtsFlags & 0xC0) {\n            // the PTS and DTS are not written out directly. For information\n            // on how they are encoded, see\n            // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n            pes.pts = (payload[9] & 0x0E) << 27 | (payload[10] & 0xFF) << 20 | (payload[11] & 0xFE) << 12 | (payload[12] & 0xFF) << 5 | (payload[13] & 0xFE) >>> 3;\n            pes.pts *= 4; // Left shift by 2\n\n            pes.pts += (payload[13] & 0x06) >>> 1; // OR by the two LSBs\n\n            pes.dts = pes.pts;\n\n            if (ptsDtsFlags & 0x40) {\n              pes.dts = (payload[14] & 0x0E) << 27 | (payload[15] & 0xFF) << 20 | (payload[16] & 0xFE) << 12 | (payload[17] & 0xFF) << 5 | (payload[18] & 0xFE) >>> 3;\n              pes.dts *= 4; // Left shift by 2\n\n              pes.dts += (payload[18] & 0x06) >>> 1; // OR by the two LSBs\n            }\n          } // the data section starts immediately after the PES header.\n          // pes_header_data_length specifies the number of header bytes\n          // that follow the last byte of the field.\n\n\n          pes.data = payload.subarray(9 + payload[8]);\n        },\n\n        /**\n          * Pass completely parsed PES packets to the next stream in the pipeline\n         **/\n        flushStream = function flushStream(stream$$1, type, forceFlush) {\n          var packetData = new Uint8Array(stream$$1.size),\n              event = {\n            type: type\n          },\n              i = 0,\n              offset = 0,\n              packetFlushable = false,\n              fragment; // do nothing if there is not enough buffered data for a complete\n          // PES header\n\n          if (!stream$$1.data.length || stream$$1.size < 9) {\n            return;\n          }\n\n          event.trackId = stream$$1.data[0].pid; // reassemble the packet\n\n          for (i = 0; i < stream$$1.data.length; i++) {\n            fragment = stream$$1.data[i];\n            packetData.set(fragment.data, offset);\n            offset += fragment.data.byteLength;\n          } // parse assembled packet's PES header\n\n\n          parsePes(packetData, event); // non-video PES packets MUST have a non-zero PES_packet_length\n          // check that there is enough stream data to fill the packet\n\n          packetFlushable = type === 'video' || event.packetLength <= stream$$1.size; // flush pending packets if the conditions are right\n\n          if (forceFlush || packetFlushable) {\n            stream$$1.size = 0;\n            stream$$1.data.length = 0;\n          } // only emit packets that are complete. this is to avoid assembling\n          // incomplete PES packets due to poor segmentation\n\n\n          if (packetFlushable) {\n            self.trigger('data', event);\n          }\n        };\n\n        _ElementaryStream.prototype.init.call(this);\n        /**\n         * Identifies M2TS packet types and parses PES packets using metadata\n         * parsed from the PMT\n         **/\n\n\n        this.push = function (data) {\n          ({\n            pat: function pat() {// we have to wait for the PMT to arrive as well before we\n              // have any meaningful metadata\n            },\n            pes: function pes() {\n              var stream$$1, streamType;\n\n              switch (data.streamType) {\n                case streamTypes.H264_STREAM_TYPE:\n                case streamTypes.H264_STREAM_TYPE:\n                  stream$$1 = video;\n                  streamType = 'video';\n                  break;\n\n                case streamTypes.ADTS_STREAM_TYPE:\n                  stream$$1 = audio;\n                  streamType = 'audio';\n                  break;\n\n                case streamTypes.METADATA_STREAM_TYPE:\n                  stream$$1 = timedMetadata;\n                  streamType = 'timed-metadata';\n                  break;\n\n                default:\n                  // ignore unknown stream types\n                  return;\n              } // if a new packet is starting, we can flush the completed\n              // packet\n\n\n              if (data.payloadUnitStartIndicator) {\n                flushStream(stream$$1, streamType, true);\n              } // buffer this fragment until we are sure we've received the\n              // complete payload\n\n\n              stream$$1.data.push(data);\n              stream$$1.size += data.data.byteLength;\n            },\n            pmt: function pmt() {\n              var event = {\n                type: 'metadata',\n                tracks: []\n              };\n              programMapTable = data.programMapTable; // translate audio and video streams to tracks\n\n              if (programMapTable.video !== null) {\n                event.tracks.push({\n                  timelineStartInfo: {\n                    baseMediaDecodeTime: 0\n                  },\n                  id: +programMapTable.video,\n                  codec: 'avc',\n                  type: 'video'\n                });\n              }\n\n              if (programMapTable.audio !== null) {\n                event.tracks.push({\n                  timelineStartInfo: {\n                    baseMediaDecodeTime: 0\n                  },\n                  id: +programMapTable.audio,\n                  codec: 'adts',\n                  type: 'audio'\n                });\n              }\n\n              self.trigger('data', event);\n            }\n          })[data.type]();\n        };\n\n        this.reset = function () {\n          video.size = 0;\n          video.data.length = 0;\n          audio.size = 0;\n          audio.data.length = 0;\n          this.trigger('reset');\n        };\n        /**\n         * Flush any remaining input. Video PES packets may be of variable\n         * length. Normally, the start of a new video packet can trigger the\n         * finalization of the previous packet. That is not possible if no\n         * more video is forthcoming, however. In that case, some other\n         * mechanism (like the end of the file) has to be employed. When it is\n         * clear that no additional data is forthcoming, calling this method\n         * will flush the buffered packets.\n         */\n\n\n        this.flushStreams_ = function () {\n          // !!THIS ORDER IS IMPORTANT!!\n          // video first then audio\n          flushStream(video, 'video');\n          flushStream(audio, 'audio');\n          flushStream(timedMetadata, 'timed-metadata');\n        };\n\n        this.flush = function () {\n          this.flushStreams_();\n          this.trigger('done');\n        };\n      };\n\n      _ElementaryStream.prototype = new stream();\n      var m2ts = {\n        PAT_PID: 0x0000,\n        MP2T_PACKET_LENGTH: MP2T_PACKET_LENGTH,\n        TransportPacketStream: _TransportPacketStream,\n        TransportParseStream: _TransportParseStream,\n        ElementaryStream: _ElementaryStream,\n        TimestampRolloverStream: TimestampRolloverStream$1,\n        CaptionStream: captionStream.CaptionStream,\n        Cea608Stream: captionStream.Cea608Stream,\n        MetadataStream: metadataStream\n      };\n\n      for (var type in streamTypes) {\n        if (streamTypes.hasOwnProperty(type)) {\n          m2ts[type] = streamTypes[type];\n        }\n      }\n\n      var m2ts_1 = m2ts;\n      var ONE_SECOND_IN_TS$2 = clock.ONE_SECOND_IN_TS;\n\n      var _AdtsStream;\n\n      var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n      /*\n       * Accepts a ElementaryStream and emits data events with parsed\n       * AAC Audio Frames of the individual packets. Input audio in ADTS\n       * format is unpacked and re-emitted as AAC frames.\n       *\n       * @see http://wiki.multimedia.cx/index.php?title=ADTS\n       * @see http://wiki.multimedia.cx/?title=Understanding_AAC\n       */\n\n      _AdtsStream = function AdtsStream(handlePartialSegments) {\n        var buffer,\n            frameNum = 0;\n\n        _AdtsStream.prototype.init.call(this);\n\n        this.push = function (packet) {\n          var i = 0,\n              frameLength,\n              protectionSkipBytes,\n              frameEnd,\n              oldBuffer,\n              sampleCount,\n              adtsFrameDuration;\n\n          if (!handlePartialSegments) {\n            frameNum = 0;\n          }\n\n          if (packet.type !== 'audio') {\n            // ignore non-audio data\n            return;\n          } // Prepend any data in the buffer to the input data so that we can parse\n          // aac frames the cross a PES packet boundary\n\n\n          if (buffer) {\n            oldBuffer = buffer;\n            buffer = new Uint8Array(oldBuffer.byteLength + packet.data.byteLength);\n            buffer.set(oldBuffer);\n            buffer.set(packet.data, oldBuffer.byteLength);\n          } else {\n            buffer = packet.data;\n          } // unpack any ADTS frames which have been fully received\n          // for details on the ADTS header, see http://wiki.multimedia.cx/index.php?title=ADTS\n\n\n          while (i + 5 < buffer.length) {\n            // Look for the start of an ADTS header..\n            if (buffer[i] !== 0xFF || (buffer[i + 1] & 0xF6) !== 0xF0) {\n              // If a valid header was not found,  jump one forward and attempt to\n              // find a valid ADTS header starting at the next byte\n              i++;\n              continue;\n            } // The protection skip bit tells us if we have 2 bytes of CRC data at the\n            // end of the ADTS header\n\n\n            protectionSkipBytes = (~buffer[i + 1] & 0x01) * 2; // Frame length is a 13 bit integer starting 16 bits from the\n            // end of the sync sequence\n\n            frameLength = (buffer[i + 3] & 0x03) << 11 | buffer[i + 4] << 3 | (buffer[i + 5] & 0xe0) >> 5;\n            sampleCount = ((buffer[i + 6] & 0x03) + 1) * 1024;\n            adtsFrameDuration = sampleCount * ONE_SECOND_IN_TS$2 / ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2];\n            frameEnd = i + frameLength; // If we don't have enough data to actually finish this ADTS frame, return\n            // and wait for more data\n\n            if (buffer.byteLength < frameEnd) {\n              return;\n            } // Otherwise, deliver the complete AAC frame\n\n\n            this.trigger('data', {\n              pts: packet.pts + frameNum * adtsFrameDuration,\n              dts: packet.dts + frameNum * adtsFrameDuration,\n              sampleCount: sampleCount,\n              audioobjecttype: (buffer[i + 2] >>> 6 & 0x03) + 1,\n              channelcount: (buffer[i + 2] & 1) << 2 | (buffer[i + 3] & 0xc0) >>> 6,\n              samplerate: ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2],\n              samplingfrequencyindex: (buffer[i + 2] & 0x3c) >>> 2,\n              // assume ISO/IEC 14496-12 AudioSampleEntry default of 16\n              samplesize: 16,\n              data: buffer.subarray(i + 7 + protectionSkipBytes, frameEnd)\n            });\n            frameNum++; // If the buffer is empty, clear it and return\n\n            if (buffer.byteLength === frameEnd) {\n              buffer = undefined;\n              return;\n            } // Remove the finished frame from the buffer and start the process again\n\n\n            buffer = buffer.subarray(frameEnd);\n          }\n        };\n\n        this.flush = function () {\n          frameNum = 0;\n          this.trigger('done');\n        };\n\n        this.reset = function () {\n          buffer = void 0;\n          this.trigger('reset');\n        };\n\n        this.endTimeline = function () {\n          buffer = void 0;\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _AdtsStream.prototype = new stream();\n      var adts = _AdtsStream;\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ExpGolomb;\n      /**\n       * Parser for exponential Golomb codes, a variable-bitwidth number encoding\n       * scheme used by h264.\n       */\n\n      ExpGolomb = function ExpGolomb(workingData) {\n        var // the number of bytes left to examine in workingData\n        workingBytesAvailable = workingData.byteLength,\n            // the current word being examined\n        workingWord = 0,\n            // :uint\n        // the number of bits left to examine in the current word\n        workingBitsAvailable = 0; // :uint;\n        // ():uint\n\n        this.length = function () {\n          return 8 * workingBytesAvailable;\n        }; // ():uint\n\n\n        this.bitsAvailable = function () {\n          return 8 * workingBytesAvailable + workingBitsAvailable;\n        }; // ():void\n\n\n        this.loadWord = function () {\n          var position = workingData.byteLength - workingBytesAvailable,\n              workingBytes = new Uint8Array(4),\n              availableBytes = Math.min(4, workingBytesAvailable);\n\n          if (availableBytes === 0) {\n            throw new Error('no bytes available');\n          }\n\n          workingBytes.set(workingData.subarray(position, position + availableBytes));\n          workingWord = new DataView(workingBytes.buffer).getUint32(0); // track the amount of workingData that has been processed\n\n          workingBitsAvailable = availableBytes * 8;\n          workingBytesAvailable -= availableBytes;\n        }; // (count:int):void\n\n\n        this.skipBits = function (count) {\n          var skipBytes; // :int\n\n          if (workingBitsAvailable > count) {\n            workingWord <<= count;\n            workingBitsAvailable -= count;\n          } else {\n            count -= workingBitsAvailable;\n            skipBytes = Math.floor(count / 8);\n            count -= skipBytes * 8;\n            workingBytesAvailable -= skipBytes;\n            this.loadWord();\n            workingWord <<= count;\n            workingBitsAvailable -= count;\n          }\n        }; // (size:int):uint\n\n\n        this.readBits = function (size) {\n          var bits = Math.min(workingBitsAvailable, size),\n              // :uint\n          valu = workingWord >>> 32 - bits; // :uint\n          // if size > 31, handle error\n\n          workingBitsAvailable -= bits;\n\n          if (workingBitsAvailable > 0) {\n            workingWord <<= bits;\n          } else if (workingBytesAvailable > 0) {\n            this.loadWord();\n          }\n\n          bits = size - bits;\n\n          if (bits > 0) {\n            return valu << bits | this.readBits(bits);\n          }\n\n          return valu;\n        }; // ():uint\n\n\n        this.skipLeadingZeros = function () {\n          var leadingZeroCount; // :uint\n\n          for (leadingZeroCount = 0; leadingZeroCount < workingBitsAvailable; ++leadingZeroCount) {\n            if ((workingWord & 0x80000000 >>> leadingZeroCount) !== 0) {\n              // the first bit of working word is 1\n              workingWord <<= leadingZeroCount;\n              workingBitsAvailable -= leadingZeroCount;\n              return leadingZeroCount;\n            }\n          } // we exhausted workingWord and still have not found a 1\n\n\n          this.loadWord();\n          return leadingZeroCount + this.skipLeadingZeros();\n        }; // ():void\n\n\n        this.skipUnsignedExpGolomb = function () {\n          this.skipBits(1 + this.skipLeadingZeros());\n        }; // ():void\n\n\n        this.skipExpGolomb = function () {\n          this.skipBits(1 + this.skipLeadingZeros());\n        }; // ():uint\n\n\n        this.readUnsignedExpGolomb = function () {\n          var clz = this.skipLeadingZeros(); // :uint\n\n          return this.readBits(clz + 1) - 1;\n        }; // ():int\n\n\n        this.readExpGolomb = function () {\n          var valu = this.readUnsignedExpGolomb(); // :int\n\n          if (0x01 & valu) {\n            // the number is odd if the low order bit is set\n            return 1 + valu >>> 1; // add 1 to make it even, and divide by 2\n          }\n\n          return -1 * (valu >>> 1); // divide by two then make it negative\n        }; // Some convenience functions\n        // :Boolean\n\n\n        this.readBoolean = function () {\n          return this.readBits(1) === 1;\n        }; // ():int\n\n\n        this.readUnsignedByte = function () {\n          return this.readBits(8);\n        };\n\n        this.loadWord();\n      };\n\n      var expGolomb = ExpGolomb;\n\n      var _H264Stream, _NalByteStream;\n\n      var PROFILES_WITH_OPTIONAL_SPS_DATA;\n      /**\n       * Accepts a NAL unit byte stream and unpacks the embedded NAL units.\n       */\n\n      _NalByteStream = function NalByteStream() {\n        var syncPoint = 0,\n            i,\n            buffer;\n\n        _NalByteStream.prototype.init.call(this);\n        /*\n         * Scans a byte stream and triggers a data event with the NAL units found.\n         * @param {Object} data Event received from H264Stream\n         * @param {Uint8Array} data.data The h264 byte stream to be scanned\n         *\n         * @see H264Stream.push\n         */\n\n\n        this.push = function (data) {\n          var swapBuffer;\n\n          if (!buffer) {\n            buffer = data.data;\n          } else {\n            swapBuffer = new Uint8Array(buffer.byteLength + data.data.byteLength);\n            swapBuffer.set(buffer);\n            swapBuffer.set(data.data, buffer.byteLength);\n            buffer = swapBuffer;\n          }\n\n          var len = buffer.byteLength; // Rec. ITU-T H.264, Annex B\n          // scan for NAL unit boundaries\n          // a match looks like this:\n          // 0 0 1 .. NAL .. 0 0 1\n          // ^ sync point        ^ i\n          // or this:\n          // 0 0 1 .. NAL .. 0 0 0\n          // ^ sync point        ^ i\n          // advance the sync point to a NAL start, if necessary\n\n          for (; syncPoint < len - 3; syncPoint++) {\n            if (buffer[syncPoint + 2] === 1) {\n              // the sync point is properly aligned\n              i = syncPoint + 5;\n              break;\n            }\n          }\n\n          while (i < len) {\n            // look at the current byte to determine if we've hit the end of\n            // a NAL unit boundary\n            switch (buffer[i]) {\n              case 0:\n                // skip past non-sync sequences\n                if (buffer[i - 1] !== 0) {\n                  i += 2;\n                  break;\n                } else if (buffer[i - 2] !== 0) {\n                  i++;\n                  break;\n                } // deliver the NAL unit if it isn't empty\n\n\n                if (syncPoint + 3 !== i - 2) {\n                  this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));\n                } // drop trailing zeroes\n\n\n                do {\n                  i++;\n                } while (buffer[i] !== 1 && i < len);\n\n                syncPoint = i - 2;\n                i += 3;\n                break;\n\n              case 1:\n                // skip past non-sync sequences\n                if (buffer[i - 1] !== 0 || buffer[i - 2] !== 0) {\n                  i += 3;\n                  break;\n                } // deliver the NAL unit\n\n\n                this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));\n                syncPoint = i - 2;\n                i += 3;\n                break;\n\n              default:\n                // the current byte isn't a one or zero, so it cannot be part\n                // of a sync sequence\n                i += 3;\n                break;\n            }\n          } // filter out the NAL units that were delivered\n\n\n          buffer = buffer.subarray(syncPoint);\n          i -= syncPoint;\n          syncPoint = 0;\n        };\n\n        this.reset = function () {\n          buffer = null;\n          syncPoint = 0;\n          this.trigger('reset');\n        };\n\n        this.flush = function () {\n          // deliver the last buffered NAL unit\n          if (buffer && buffer.byteLength > 3) {\n            this.trigger('data', buffer.subarray(syncPoint + 3));\n          } // reset the stream state\n\n\n          buffer = null;\n          syncPoint = 0;\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _NalByteStream.prototype = new stream(); // values of profile_idc that indicate additional fields are included in the SPS\n      // see Recommendation ITU-T H.264 (4/2013),\n      // 7.3.2.1.1 Sequence parameter set data syntax\n\n      PROFILES_WITH_OPTIONAL_SPS_DATA = {\n        100: true,\n        110: true,\n        122: true,\n        244: true,\n        44: true,\n        83: true,\n        86: true,\n        118: true,\n        128: true,\n        138: true,\n        139: true,\n        134: true\n      };\n      /**\n       * Accepts input from a ElementaryStream and produces H.264 NAL unit data\n       * events.\n       */\n\n      _H264Stream = function H264Stream() {\n        var nalByteStream = new _NalByteStream(),\n            self,\n            trackId,\n            currentPts,\n            currentDts,\n            discardEmulationPreventionBytes,\n            readSequenceParameterSet,\n            skipScalingList;\n\n        _H264Stream.prototype.init.call(this);\n\n        self = this;\n        /*\n         * Pushes a packet from a stream onto the NalByteStream\n         *\n         * @param {Object} packet - A packet received from a stream\n         * @param {Uint8Array} packet.data - The raw bytes of the packet\n         * @param {Number} packet.dts - Decode timestamp of the packet\n         * @param {Number} packet.pts - Presentation timestamp of the packet\n         * @param {Number} packet.trackId - The id of the h264 track this packet came from\n         * @param {('video'|'audio')} packet.type - The type of packet\n         *\n         */\n\n        this.push = function (packet) {\n          if (packet.type !== 'video') {\n            return;\n          }\n\n          trackId = packet.trackId;\n          currentPts = packet.pts;\n          currentDts = packet.dts;\n          nalByteStream.push(packet);\n        };\n        /*\n         * Identify NAL unit types and pass on the NALU, trackId, presentation and decode timestamps\n         * for the NALUs to the next stream component.\n         * Also, preprocess caption and sequence parameter NALUs.\n         *\n         * @param {Uint8Array} data - A NAL unit identified by `NalByteStream.push`\n         * @see NalByteStream.push\n         */\n\n\n        nalByteStream.on('data', function (data) {\n          var event = {\n            trackId: trackId,\n            pts: currentPts,\n            dts: currentDts,\n            data: data\n          };\n\n          switch (data[0] & 0x1f) {\n            case 0x05:\n              event.nalUnitType = 'slice_layer_without_partitioning_rbsp_idr';\n              break;\n\n            case 0x06:\n              event.nalUnitType = 'sei_rbsp';\n              event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));\n              break;\n\n            case 0x07:\n              event.nalUnitType = 'seq_parameter_set_rbsp';\n              event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));\n              event.config = readSequenceParameterSet(event.escapedRBSP);\n              break;\n\n            case 0x08:\n              event.nalUnitType = 'pic_parameter_set_rbsp';\n              break;\n\n            case 0x09:\n              event.nalUnitType = 'access_unit_delimiter_rbsp';\n              break;\n\n            default:\n              break;\n          } // This triggers data on the H264Stream\n\n\n          self.trigger('data', event);\n        });\n        nalByteStream.on('done', function () {\n          self.trigger('done');\n        });\n        nalByteStream.on('partialdone', function () {\n          self.trigger('partialdone');\n        });\n        nalByteStream.on('reset', function () {\n          self.trigger('reset');\n        });\n        nalByteStream.on('endedtimeline', function () {\n          self.trigger('endedtimeline');\n        });\n\n        this.flush = function () {\n          nalByteStream.flush();\n        };\n\n        this.partialFlush = function () {\n          nalByteStream.partialFlush();\n        };\n\n        this.reset = function () {\n          nalByteStream.reset();\n        };\n\n        this.endTimeline = function () {\n          nalByteStream.endTimeline();\n        };\n        /**\n         * Advance the ExpGolomb decoder past a scaling list. The scaling\n         * list is optionally transmitted as part of a sequence parameter\n         * set and is not relevant to transmuxing.\n         * @param count {number} the number of entries in this scaling list\n         * @param expGolombDecoder {object} an ExpGolomb pointed to the\n         * start of a scaling list\n         * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n         */\n\n\n        skipScalingList = function skipScalingList(count, expGolombDecoder) {\n          var lastScale = 8,\n              nextScale = 8,\n              j,\n              deltaScale;\n\n          for (j = 0; j < count; j++) {\n            if (nextScale !== 0) {\n              deltaScale = expGolombDecoder.readExpGolomb();\n              nextScale = (lastScale + deltaScale + 256) % 256;\n            }\n\n            lastScale = nextScale === 0 ? lastScale : nextScale;\n          }\n        };\n        /**\n         * Expunge any \"Emulation Prevention\" bytes from a \"Raw Byte\n         * Sequence Payload\"\n         * @param data {Uint8Array} the bytes of a RBSP from a NAL\n         * unit\n         * @return {Uint8Array} the RBSP without any Emulation\n         * Prevention Bytes\n         */\n\n\n        discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n          var length = data.byteLength,\n              emulationPreventionBytesPositions = [],\n              i = 1,\n              newLength,\n              newData; // Find all `Emulation Prevention Bytes`\n\n          while (i < length - 2) {\n            if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n              emulationPreventionBytesPositions.push(i + 2);\n              i += 2;\n            } else {\n              i++;\n            }\n          } // If no Emulation Prevention Bytes were found just return the original\n          // array\n\n\n          if (emulationPreventionBytesPositions.length === 0) {\n            return data;\n          } // Create a new array to hold the NAL unit data\n\n\n          newLength = length - emulationPreventionBytesPositions.length;\n          newData = new Uint8Array(newLength);\n          var sourceIndex = 0;\n\n          for (i = 0; i < newLength; sourceIndex++, i++) {\n            if (sourceIndex === emulationPreventionBytesPositions[0]) {\n              // Skip this byte\n              sourceIndex++; // Remove this position index\n\n              emulationPreventionBytesPositions.shift();\n            }\n\n            newData[i] = data[sourceIndex];\n          }\n\n          return newData;\n        };\n        /**\n         * Read a sequence parameter set and return some interesting video\n         * properties. A sequence parameter set is the H264 metadata that\n         * describes the properties of upcoming video frames.\n         * @param data {Uint8Array} the bytes of a sequence parameter set\n         * @return {object} an object with configuration parsed from the\n         * sequence parameter set, including the dimensions of the\n         * associated video frames.\n         */\n\n\n        readSequenceParameterSet = function readSequenceParameterSet(data) {\n          var frameCropLeftOffset = 0,\n              frameCropRightOffset = 0,\n              frameCropTopOffset = 0,\n              frameCropBottomOffset = 0,\n              sarScale = 1,\n              expGolombDecoder,\n              profileIdc,\n              levelIdc,\n              profileCompatibility,\n              chromaFormatIdc,\n              picOrderCntType,\n              numRefFramesInPicOrderCntCycle,\n              picWidthInMbsMinus1,\n              picHeightInMapUnitsMinus1,\n              frameMbsOnlyFlag,\n              scalingListCount,\n              sarRatio,\n              aspectRatioIdc,\n              i;\n          expGolombDecoder = new expGolomb(data);\n          profileIdc = expGolombDecoder.readUnsignedByte(); // profile_idc\n\n          profileCompatibility = expGolombDecoder.readUnsignedByte(); // constraint_set[0-5]_flag\n\n          levelIdc = expGolombDecoder.readUnsignedByte(); // level_idc u(8)\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // seq_parameter_set_id\n          // some profiles have more optional data we don't need\n\n          if (PROFILES_WITH_OPTIONAL_SPS_DATA[profileIdc]) {\n            chromaFormatIdc = expGolombDecoder.readUnsignedExpGolomb();\n\n            if (chromaFormatIdc === 3) {\n              expGolombDecoder.skipBits(1); // separate_colour_plane_flag\n            }\n\n            expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_luma_minus8\n\n            expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_chroma_minus8\n\n            expGolombDecoder.skipBits(1); // qpprime_y_zero_transform_bypass_flag\n\n            if (expGolombDecoder.readBoolean()) {\n              // seq_scaling_matrix_present_flag\n              scalingListCount = chromaFormatIdc !== 3 ? 8 : 12;\n\n              for (i = 0; i < scalingListCount; i++) {\n                if (expGolombDecoder.readBoolean()) {\n                  // seq_scaling_list_present_flag[ i ]\n                  if (i < 6) {\n                    skipScalingList(16, expGolombDecoder);\n                  } else {\n                    skipScalingList(64, expGolombDecoder);\n                  }\n                }\n              }\n            }\n          }\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // log2_max_frame_num_minus4\n\n          picOrderCntType = expGolombDecoder.readUnsignedExpGolomb();\n\n          if (picOrderCntType === 0) {\n            expGolombDecoder.readUnsignedExpGolomb(); // log2_max_pic_order_cnt_lsb_minus4\n          } else if (picOrderCntType === 1) {\n            expGolombDecoder.skipBits(1); // delta_pic_order_always_zero_flag\n\n            expGolombDecoder.skipExpGolomb(); // offset_for_non_ref_pic\n\n            expGolombDecoder.skipExpGolomb(); // offset_for_top_to_bottom_field\n\n            numRefFramesInPicOrderCntCycle = expGolombDecoder.readUnsignedExpGolomb();\n\n            for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n              expGolombDecoder.skipExpGolomb(); // offset_for_ref_frame[ i ]\n            }\n          }\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // max_num_ref_frames\n\n          expGolombDecoder.skipBits(1); // gaps_in_frame_num_value_allowed_flag\n\n          picWidthInMbsMinus1 = expGolombDecoder.readUnsignedExpGolomb();\n          picHeightInMapUnitsMinus1 = expGolombDecoder.readUnsignedExpGolomb();\n          frameMbsOnlyFlag = expGolombDecoder.readBits(1);\n\n          if (frameMbsOnlyFlag === 0) {\n            expGolombDecoder.skipBits(1); // mb_adaptive_frame_field_flag\n          }\n\n          expGolombDecoder.skipBits(1); // direct_8x8_inference_flag\n\n          if (expGolombDecoder.readBoolean()) {\n            // frame_cropping_flag\n            frameCropLeftOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropRightOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropTopOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropBottomOffset = expGolombDecoder.readUnsignedExpGolomb();\n          }\n\n          if (expGolombDecoder.readBoolean()) {\n            // vui_parameters_present_flag\n            if (expGolombDecoder.readBoolean()) {\n              // aspect_ratio_info_present_flag\n              aspectRatioIdc = expGolombDecoder.readUnsignedByte();\n\n              switch (aspectRatioIdc) {\n                case 1:\n                  sarRatio = [1, 1];\n                  break;\n\n                case 2:\n                  sarRatio = [12, 11];\n                  break;\n\n                case 3:\n                  sarRatio = [10, 11];\n                  break;\n\n                case 4:\n                  sarRatio = [16, 11];\n                  break;\n\n                case 5:\n                  sarRatio = [40, 33];\n                  break;\n\n                case 6:\n                  sarRatio = [24, 11];\n                  break;\n\n                case 7:\n                  sarRatio = [20, 11];\n                  break;\n\n                case 8:\n                  sarRatio = [32, 11];\n                  break;\n\n                case 9:\n                  sarRatio = [80, 33];\n                  break;\n\n                case 10:\n                  sarRatio = [18, 11];\n                  break;\n\n                case 11:\n                  sarRatio = [15, 11];\n                  break;\n\n                case 12:\n                  sarRatio = [64, 33];\n                  break;\n\n                case 13:\n                  sarRatio = [160, 99];\n                  break;\n\n                case 14:\n                  sarRatio = [4, 3];\n                  break;\n\n                case 15:\n                  sarRatio = [3, 2];\n                  break;\n\n                case 16:\n                  sarRatio = [2, 1];\n                  break;\n\n                case 255:\n                  {\n                    sarRatio = [expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte(), expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte()];\n                    break;\n                  }\n              }\n\n              if (sarRatio) {\n                sarScale = sarRatio[0] / sarRatio[1];\n              }\n            }\n          }\n\n          return {\n            profileIdc: profileIdc,\n            levelIdc: levelIdc,\n            profileCompatibility: profileCompatibility,\n            width: Math.ceil(((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2) * sarScale),\n            height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - frameCropTopOffset * 2 - frameCropBottomOffset * 2,\n            sarRatio: sarRatio\n          };\n        };\n      };\n\n      _H264Stream.prototype = new stream();\n      var h264 = {\n        H264Stream: _H264Stream,\n        NalByteStream: _NalByteStream\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Utilities to detect basic properties and metadata about Aac data.\n       */\n\n      var ADTS_SAMPLING_FREQUENCIES$1 = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n\n      var isLikelyAacData = function isLikelyAacData(data) {\n        if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {\n          return true;\n        }\n\n        return false;\n      };\n\n      var parseSyncSafeInteger$1 = function parseSyncSafeInteger(data) {\n        return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n      }; // return a percent-encoded representation of the specified byte range\n      // @see http://en.wikipedia.org/wiki/Percent-encoding\n\n\n      var percentEncode$1 = function percentEncode(bytes, start, end) {\n        var i,\n            result = '';\n\n        for (i = start; i < end; i++) {\n          result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n        }\n\n        return result;\n      }; // return the string representation of the specified byte range,\n      // interpreted as ISO-8859-1.\n\n\n      var parseIso88591$1 = function parseIso88591(bytes, start, end) {\n        return unescape(percentEncode$1(bytes, start, end)); // jshint ignore:line\n      };\n\n      var parseId3TagSize = function parseId3TagSize(header, byteIndex) {\n        var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],\n            flags = header[byteIndex + 5],\n            footerPresent = (flags & 16) >> 4;\n\n        if (footerPresent) {\n          return returnSize + 20;\n        }\n\n        return returnSize + 10;\n      };\n\n      var parseAdtsSize = function parseAdtsSize(header, byteIndex) {\n        var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,\n            middle = header[byteIndex + 4] << 3,\n            highTwo = header[byteIndex + 3] & 0x3 << 11;\n        return highTwo | middle | lowThree;\n      };\n\n      var parseType = function parseType(header, byteIndex) {\n        if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {\n          return 'timed-metadata';\n        } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {\n          return 'audio';\n        }\n\n        return null;\n      };\n\n      var parseSampleRate = function parseSampleRate(packet) {\n        var i = 0;\n\n        while (i + 5 < packet.length) {\n          if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {\n            // If a valid header was not found,  jump one forward and attempt to\n            // find a valid ADTS header starting at the next byte\n            i++;\n            continue;\n          }\n\n          return ADTS_SAMPLING_FREQUENCIES$1[(packet[i + 2] & 0x3c) >>> 2];\n        }\n\n        return null;\n      };\n\n      var parseAacTimestamp = function parseAacTimestamp(packet) {\n        var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag\n\n        frameStart = 10;\n\n        if (packet[5] & 0x40) {\n          // advance the frame start past the extended header\n          frameStart += 4; // header size field\n\n          frameStart += parseSyncSafeInteger$1(packet.subarray(10, 14));\n        } // parse one or more ID3 frames\n        // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n        do {\n          // determine the number of bytes in this frame\n          frameSize = parseSyncSafeInteger$1(packet.subarray(frameStart + 4, frameStart + 8));\n\n          if (frameSize < 1) {\n            return null;\n          }\n\n          frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);\n\n          if (frameHeader === 'PRIV') {\n            frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);\n\n            for (var i = 0; i < frame.byteLength; i++) {\n              if (frame[i] === 0) {\n                var owner = parseIso88591$1(frame, 0, i);\n\n                if (owner === 'com.apple.streaming.transportStreamTimestamp') {\n                  var d = frame.subarray(i + 1);\n                  var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n                  size *= 4;\n                  size += d[7] & 0x03;\n                  return size;\n                }\n\n                break;\n              }\n            }\n          }\n\n          frameStart += 10; // advance past the frame header\n\n          frameStart += frameSize; // advance past the frame body\n        } while (frameStart < packet.byteLength);\n\n        return null;\n      };\n\n      var utils = {\n        isLikelyAacData: isLikelyAacData,\n        parseId3TagSize: parseId3TagSize,\n        parseAdtsSize: parseAdtsSize,\n        parseType: parseType,\n        parseSampleRate: parseSampleRate,\n        parseAacTimestamp: parseAacTimestamp\n      }; // Constants\n\n      var _AacStream;\n      /**\n       * Splits an incoming stream of binary data into ADTS and ID3 Frames.\n       */\n\n\n      _AacStream = function AacStream() {\n        var everything = new Uint8Array(),\n            timeStamp = 0;\n\n        _AacStream.prototype.init.call(this);\n\n        this.setTimestamp = function (timestamp) {\n          timeStamp = timestamp;\n        };\n\n        this.push = function (bytes) {\n          var frameSize = 0,\n              byteIndex = 0,\n              bytesLeft,\n              chunk,\n              packet,\n              tempLength; // If there are bytes remaining from the last segment, prepend them to the\n          // bytes that were pushed in\n\n          if (everything.length) {\n            tempLength = everything.length;\n            everything = new Uint8Array(bytes.byteLength + tempLength);\n            everything.set(everything.subarray(0, tempLength));\n            everything.set(bytes, tempLength);\n          } else {\n            everything = bytes;\n          }\n\n          while (everything.length - byteIndex >= 3) {\n            if (everything[byteIndex] === 'I'.charCodeAt(0) && everything[byteIndex + 1] === 'D'.charCodeAt(0) && everything[byteIndex + 2] === '3'.charCodeAt(0)) {\n              // Exit early because we don't have enough to parse\n              // the ID3 tag header\n              if (everything.length - byteIndex < 10) {\n                break;\n              } // check framesize\n\n\n              frameSize = utils.parseId3TagSize(everything, byteIndex); // Exit early if we don't have enough in the buffer\n              // to emit a full packet\n              // Add to byteIndex to support multiple ID3 tags in sequence\n\n              if (byteIndex + frameSize > everything.length) {\n                break;\n              }\n\n              chunk = {\n                type: 'timed-metadata',\n                data: everything.subarray(byteIndex, byteIndex + frameSize)\n              };\n              this.trigger('data', chunk);\n              byteIndex += frameSize;\n              continue;\n            } else if ((everything[byteIndex] & 0xff) === 0xff && (everything[byteIndex + 1] & 0xf0) === 0xf0) {\n              // Exit early because we don't have enough to parse\n              // the ADTS frame header\n              if (everything.length - byteIndex < 7) {\n                break;\n              }\n\n              frameSize = utils.parseAdtsSize(everything, byteIndex); // Exit early if we don't have enough in the buffer\n              // to emit a full packet\n\n              if (byteIndex + frameSize > everything.length) {\n                break;\n              }\n\n              packet = {\n                type: 'audio',\n                data: everything.subarray(byteIndex, byteIndex + frameSize),\n                pts: timeStamp,\n                dts: timeStamp\n              };\n              this.trigger('data', packet);\n              byteIndex += frameSize;\n              continue;\n            }\n\n            byteIndex++;\n          }\n\n          bytesLeft = everything.length - byteIndex;\n\n          if (bytesLeft > 0) {\n            everything = everything.subarray(byteIndex);\n          } else {\n            everything = new Uint8Array();\n          }\n        };\n\n        this.reset = function () {\n          everything = new Uint8Array();\n          this.trigger('reset');\n        };\n\n        this.endTimeline = function () {\n          everything = new Uint8Array();\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _AacStream.prototype = new stream();\n      var aac = _AacStream;\n      var H264Stream = h264.H264Stream;\n      var isLikelyAacData$1 = utils.isLikelyAacData;\n      var ONE_SECOND_IN_TS$3 = clock.ONE_SECOND_IN_TS; // constants\n\n      var AUDIO_PROPERTIES = ['audioobjecttype', 'channelcount', 'samplerate', 'samplingfrequencyindex', 'samplesize'];\n      var VIDEO_PROPERTIES = ['width', 'height', 'profileIdc', 'levelIdc', 'profileCompatibility', 'sarRatio']; // object types\n\n      var _VideoSegmentStream, _AudioSegmentStream, _Transmuxer, _CoalesceStream;\n      /**\n       * Compare two arrays (even typed) for same-ness\n       */\n\n\n      var arrayEquals = function arrayEquals(a, b) {\n        var i;\n\n        if (a.length !== b.length) {\n          return false;\n        } // compare the value of each element in the array\n\n\n        for (i = 0; i < a.length; i++) {\n          if (a[i] !== b[i]) {\n            return false;\n          }\n        }\n\n        return true;\n      };\n\n      var generateVideoSegmentTimingInfo = function generateVideoSegmentTimingInfo(baseMediaDecodeTime, startDts, startPts, endDts, endPts, prependedContentDuration) {\n        var ptsOffsetFromDts = startPts - startDts,\n            decodeDuration = endDts - startDts,\n            presentationDuration = endPts - startPts; // The PTS and DTS values are based on the actual stream times from the segment,\n        // however, the player time values will reflect a start from the baseMediaDecodeTime.\n        // In order to provide relevant values for the player times, base timing info on the\n        // baseMediaDecodeTime and the DTS and PTS durations of the segment.\n\n        return {\n          start: {\n            dts: baseMediaDecodeTime,\n            pts: baseMediaDecodeTime + ptsOffsetFromDts\n          },\n          end: {\n            dts: baseMediaDecodeTime + decodeDuration,\n            pts: baseMediaDecodeTime + presentationDuration\n          },\n          prependedContentDuration: prependedContentDuration,\n          baseMediaDecodeTime: baseMediaDecodeTime\n        };\n      };\n      /**\n       * Constructs a single-track, ISO BMFF media segment from AAC data\n       * events. The output of this stream can be fed to a SourceBuffer\n       * configured with a suitable initialization segment.\n       * @param track {object} track metadata configuration\n       * @param options {object} transmuxer options object\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n\n      _AudioSegmentStream = function AudioSegmentStream(track, options) {\n        var adtsFrames = [],\n            sequenceNumber = 0,\n            earliestAllowedDts = 0,\n            audioAppendStartTs = 0,\n            videoBaseMediaDecodeTime = Infinity;\n        options = options || {};\n\n        _AudioSegmentStream.prototype.init.call(this);\n\n        this.push = function (data) {\n          trackDecodeInfo.collectDtsInfo(track, data);\n\n          if (track) {\n            AUDIO_PROPERTIES.forEach(function (prop) {\n              track[prop] = data[prop];\n            });\n          } // buffer audio data until end() is called\n\n\n          adtsFrames.push(data);\n        };\n\n        this.setEarliestDts = function (earliestDts) {\n          earliestAllowedDts = earliestDts - track.timelineStartInfo.baseMediaDecodeTime;\n        };\n\n        this.setVideoBaseMediaDecodeTime = function (baseMediaDecodeTime) {\n          videoBaseMediaDecodeTime = baseMediaDecodeTime;\n        };\n\n        this.setAudioAppendStart = function (timestamp) {\n          audioAppendStartTs = timestamp;\n        };\n\n        this.flush = function () {\n          var frames, moof, mdat, boxes, frameDuration; // return early if no audio data has been observed\n\n          if (adtsFrames.length === 0) {\n            this.trigger('done', 'AudioSegmentStream');\n            return;\n          }\n\n          frames = audioFrameUtils.trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts);\n          track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);\n          audioFrameUtils.prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime); // we have to build the index from byte locations to\n          // samples (that is, adts frames) in the audio data\n\n          track.samples = audioFrameUtils.generateSampleTable(frames); // concatenate the audio data to constuct the mdat\n\n          mdat = mp4Generator.mdat(audioFrameUtils.concatenateFrameData(frames));\n          adtsFrames = [];\n          moof = mp4Generator.moof(sequenceNumber, [track]);\n          boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // bump the sequence number for next time\n\n          sequenceNumber++;\n          boxes.set(moof);\n          boxes.set(mdat, moof.byteLength);\n          trackDecodeInfo.clearDtsInfo(track);\n          frameDuration = Math.ceil(ONE_SECOND_IN_TS$3 * 1024 / track.samplerate); // TODO this check was added to maintain backwards compatibility (particularly with\n          // tests) on adding the timingInfo event. However, it seems unlikely that there's a\n          // valid use-case where an init segment/data should be triggered without associated\n          // frames. Leaving for now, but should be looked into.\n\n          if (frames.length) {\n            this.trigger('timingInfo', {\n              start: frames[0].pts,\n              end: frames[0].pts + frames.length * frameDuration\n            });\n          }\n\n          this.trigger('data', {\n            track: track,\n            boxes: boxes\n          });\n          this.trigger('done', 'AudioSegmentStream');\n        };\n\n        this.reset = function () {\n          trackDecodeInfo.clearDtsInfo(track);\n          adtsFrames = [];\n          this.trigger('reset');\n        };\n      };\n\n      _AudioSegmentStream.prototype = new stream();\n      /**\n       * Constructs a single-track, ISO BMFF media segment from H264 data\n       * events. The output of this stream can be fed to a SourceBuffer\n       * configured with a suitable initialization segment.\n       * @param track {object} track metadata configuration\n       * @param options {object} transmuxer options object\n       * @param options.alignGopsAtEnd {boolean} If true, start from the end of the\n       *        gopsToAlignWith list when attempting to align gop pts\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n      _VideoSegmentStream = function VideoSegmentStream(track, options) {\n        var sequenceNumber = 0,\n            nalUnits = [],\n            gopsToAlignWith = [],\n            config,\n            pps;\n        options = options || {};\n\n        _VideoSegmentStream.prototype.init.call(this);\n\n        delete track.minPTS;\n        this.gopCache_ = [];\n        /**\n          * Constructs a ISO BMFF segment given H264 nalUnits\n          * @param {Object} nalUnit A data event representing a nalUnit\n          * @param {String} nalUnit.nalUnitType\n          * @param {Object} nalUnit.config Properties for a mp4 track\n          * @param {Uint8Array} nalUnit.data The nalUnit bytes\n          * @see lib/codecs/h264.js\n         **/\n\n        this.push = function (nalUnit) {\n          trackDecodeInfo.collectDtsInfo(track, nalUnit); // record the track config\n\n          if (nalUnit.nalUnitType === 'seq_parameter_set_rbsp' && !config) {\n            config = nalUnit.config;\n            track.sps = [nalUnit.data];\n            VIDEO_PROPERTIES.forEach(function (prop) {\n              track[prop] = config[prop];\n            }, this);\n          }\n\n          if (nalUnit.nalUnitType === 'pic_parameter_set_rbsp' && !pps) {\n            pps = nalUnit.data;\n            track.pps = [nalUnit.data];\n          } // buffer video until flush() is called\n\n\n          nalUnits.push(nalUnit);\n        };\n        /**\n          * Pass constructed ISO BMFF track and boxes on to the\n          * next stream in the pipeline\n         **/\n\n\n        this.flush = function () {\n          var frames,\n              gopForFusion,\n              gops,\n              moof,\n              mdat,\n              boxes,\n              prependedContentDuration = 0,\n              firstGop,\n              lastGop; // Throw away nalUnits at the start of the byte stream until\n          // we find the first AUD\n\n          while (nalUnits.length) {\n            if (nalUnits[0].nalUnitType === 'access_unit_delimiter_rbsp') {\n              break;\n            }\n\n            nalUnits.shift();\n          } // Return early if no video data has been observed\n\n\n          if (nalUnits.length === 0) {\n            this.resetStream_();\n            this.trigger('done', 'VideoSegmentStream');\n            return;\n          } // Organize the raw nal-units into arrays that represent\n          // higher-level constructs such as frames and gops\n          // (group-of-pictures)\n\n\n          frames = frameUtils.groupNalsIntoFrames(nalUnits);\n          gops = frameUtils.groupFramesIntoGops(frames); // If the first frame of this fragment is not a keyframe we have\n          // a problem since MSE (on Chrome) requires a leading keyframe.\n          //\n          // We have two approaches to repairing this situation:\n          // 1) GOP-FUSION:\n          //    This is where we keep track of the GOPS (group-of-pictures)\n          //    from previous fragments and attempt to find one that we can\n          //    prepend to the current fragment in order to create a valid\n          //    fragment.\n          // 2) KEYFRAME-PULLING:\n          //    Here we search for the first keyframe in the fragment and\n          //    throw away all the frames between the start of the fragment\n          //    and that keyframe. We then extend the duration and pull the\n          //    PTS of the keyframe forward so that it covers the time range\n          //    of the frames that were disposed of.\n          //\n          // #1 is far prefereable over #2 which can cause \"stuttering\" but\n          // requires more things to be just right.\n\n          if (!gops[0][0].keyFrame) {\n            // Search for a gop for fusion from our gopCache\n            gopForFusion = this.getGopForFusion_(nalUnits[0], track);\n\n            if (gopForFusion) {\n              // in order to provide more accurate timing information about the segment, save\n              // the number of seconds prepended to the original segment due to GOP fusion\n              prependedContentDuration = gopForFusion.duration;\n              gops.unshift(gopForFusion); // Adjust Gops' metadata to account for the inclusion of the\n              // new gop at the beginning\n\n              gops.byteLength += gopForFusion.byteLength;\n              gops.nalCount += gopForFusion.nalCount;\n              gops.pts = gopForFusion.pts;\n              gops.dts = gopForFusion.dts;\n              gops.duration += gopForFusion.duration;\n            } else {\n              // If we didn't find a candidate gop fall back to keyframe-pulling\n              gops = frameUtils.extendFirstKeyFrame(gops);\n            }\n          } // Trim gops to align with gopsToAlignWith\n\n\n          if (gopsToAlignWith.length) {\n            var alignedGops;\n\n            if (options.alignGopsAtEnd) {\n              alignedGops = this.alignGopsAtEnd_(gops);\n            } else {\n              alignedGops = this.alignGopsAtStart_(gops);\n            }\n\n            if (!alignedGops) {\n              // save all the nals in the last GOP into the gop cache\n              this.gopCache_.unshift({\n                gop: gops.pop(),\n                pps: track.pps,\n                sps: track.sps\n              }); // Keep a maximum of 6 GOPs in the cache\n\n              this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits\n\n              nalUnits = []; // return early no gops can be aligned with desired gopsToAlignWith\n\n              this.resetStream_();\n              this.trigger('done', 'VideoSegmentStream');\n              return;\n            } // Some gops were trimmed. clear dts info so minSegmentDts and pts are correct\n            // when recalculated before sending off to CoalesceStream\n\n\n            trackDecodeInfo.clearDtsInfo(track);\n            gops = alignedGops;\n          }\n\n          trackDecodeInfo.collectDtsInfo(track, gops); // First, we have to build the index from byte locations to\n          // samples (that is, frames) in the video data\n\n          track.samples = frameUtils.generateSampleTable(gops); // Concatenate the video data and construct the mdat\n\n          mdat = mp4Generator.mdat(frameUtils.concatenateNalData(gops));\n          track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);\n          this.trigger('processedGopsInfo', gops.map(function (gop) {\n            return {\n              pts: gop.pts,\n              dts: gop.dts,\n              byteLength: gop.byteLength\n            };\n          }));\n          firstGop = gops[0];\n          lastGop = gops[gops.length - 1];\n          this.trigger('segmentTimingInfo', generateVideoSegmentTimingInfo(track.baseMediaDecodeTime, firstGop.dts, firstGop.pts, lastGop.dts + lastGop.duration, lastGop.pts + lastGop.duration, prependedContentDuration));\n          this.trigger('timingInfo', {\n            start: gops[0].pts,\n            end: gops[gops.length - 1].pts + gops[gops.length - 1].duration\n          }); // save all the nals in the last GOP into the gop cache\n\n          this.gopCache_.unshift({\n            gop: gops.pop(),\n            pps: track.pps,\n            sps: track.sps\n          }); // Keep a maximum of 6 GOPs in the cache\n\n          this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits\n\n          nalUnits = [];\n          this.trigger('baseMediaDecodeTime', track.baseMediaDecodeTime);\n          this.trigger('timelineStartInfo', track.timelineStartInfo);\n          moof = mp4Generator.moof(sequenceNumber, [track]); // it would be great to allocate this array up front instead of\n          // throwing away hundreds of media segment fragments\n\n          boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // Bump the sequence number for next time\n\n          sequenceNumber++;\n          boxes.set(moof);\n          boxes.set(mdat, moof.byteLength);\n          this.trigger('data', {\n            track: track,\n            boxes: boxes\n          });\n          this.resetStream_(); // Continue with the flush process now\n\n          this.trigger('done', 'VideoSegmentStream');\n        };\n\n        this.reset = function () {\n          this.resetStream_();\n          nalUnits = [];\n          this.gopCache_.length = 0;\n          gopsToAlignWith.length = 0;\n          this.trigger('reset');\n        };\n\n        this.resetStream_ = function () {\n          trackDecodeInfo.clearDtsInfo(track); // reset config and pps because they may differ across segments\n          // for instance, when we are rendition switching\n\n          config = undefined;\n          pps = undefined;\n        }; // Search for a candidate Gop for gop-fusion from the gop cache and\n        // return it or return null if no good candidate was found\n\n\n        this.getGopForFusion_ = function (nalUnit) {\n          var halfSecond = 45000,\n              // Half-a-second in a 90khz clock\n          allowableOverlap = 10000,\n              // About 3 frames @ 30fps\n          nearestDistance = Infinity,\n              dtsDistance,\n              nearestGopObj,\n              currentGop,\n              currentGopObj,\n              i; // Search for the GOP nearest to the beginning of this nal unit\n\n          for (i = 0; i < this.gopCache_.length; i++) {\n            currentGopObj = this.gopCache_[i];\n            currentGop = currentGopObj.gop; // Reject Gops with different SPS or PPS\n\n            if (!(track.pps && arrayEquals(track.pps[0], currentGopObj.pps[0])) || !(track.sps && arrayEquals(track.sps[0], currentGopObj.sps[0]))) {\n              continue;\n            } // Reject Gops that would require a negative baseMediaDecodeTime\n\n\n            if (currentGop.dts < track.timelineStartInfo.dts) {\n              continue;\n            } // The distance between the end of the gop and the start of the nalUnit\n\n\n            dtsDistance = nalUnit.dts - currentGop.dts - currentGop.duration; // Only consider GOPS that start before the nal unit and end within\n            // a half-second of the nal unit\n\n            if (dtsDistance >= -allowableOverlap && dtsDistance <= halfSecond) {\n              // Always use the closest GOP we found if there is more than\n              // one candidate\n              if (!nearestGopObj || nearestDistance > dtsDistance) {\n                nearestGopObj = currentGopObj;\n                nearestDistance = dtsDistance;\n              }\n            }\n          }\n\n          if (nearestGopObj) {\n            return nearestGopObj.gop;\n          }\n\n          return null;\n        }; // trim gop list to the first gop found that has a matching pts with a gop in the list\n        // of gopsToAlignWith starting from the START of the list\n\n\n        this.alignGopsAtStart_ = function (gops) {\n          var alignIndex, gopIndex, align, gop, byteLength, nalCount, duration, alignedGops;\n          byteLength = gops.byteLength;\n          nalCount = gops.nalCount;\n          duration = gops.duration;\n          alignIndex = gopIndex = 0;\n\n          while (alignIndex < gopsToAlignWith.length && gopIndex < gops.length) {\n            align = gopsToAlignWith[alignIndex];\n            gop = gops[gopIndex];\n\n            if (align.pts === gop.pts) {\n              break;\n            }\n\n            if (gop.pts > align.pts) {\n              // this current gop starts after the current gop we want to align on, so increment\n              // align index\n              alignIndex++;\n              continue;\n            } // current gop starts before the current gop we want to align on. so increment gop\n            // index\n\n\n            gopIndex++;\n            byteLength -= gop.byteLength;\n            nalCount -= gop.nalCount;\n            duration -= gop.duration;\n          }\n\n          if (gopIndex === 0) {\n            // no gops to trim\n            return gops;\n          }\n\n          if (gopIndex === gops.length) {\n            // all gops trimmed, skip appending all gops\n            return null;\n          }\n\n          alignedGops = gops.slice(gopIndex);\n          alignedGops.byteLength = byteLength;\n          alignedGops.duration = duration;\n          alignedGops.nalCount = nalCount;\n          alignedGops.pts = alignedGops[0].pts;\n          alignedGops.dts = alignedGops[0].dts;\n          return alignedGops;\n        }; // trim gop list to the first gop found that has a matching pts with a gop in the list\n        // of gopsToAlignWith starting from the END of the list\n\n\n        this.alignGopsAtEnd_ = function (gops) {\n          var alignIndex, gopIndex, align, gop, alignEndIndex, matchFound;\n          alignIndex = gopsToAlignWith.length - 1;\n          gopIndex = gops.length - 1;\n          alignEndIndex = null;\n          matchFound = false;\n\n          while (alignIndex >= 0 && gopIndex >= 0) {\n            align = gopsToAlignWith[alignIndex];\n            gop = gops[gopIndex];\n\n            if (align.pts === gop.pts) {\n              matchFound = true;\n              break;\n            }\n\n            if (align.pts > gop.pts) {\n              alignIndex--;\n              continue;\n            }\n\n            if (alignIndex === gopsToAlignWith.length - 1) {\n              // gop.pts is greater than the last alignment candidate. If no match is found\n              // by the end of this loop, we still want to append gops that come after this\n              // point\n              alignEndIndex = gopIndex;\n            }\n\n            gopIndex--;\n          }\n\n          if (!matchFound && alignEndIndex === null) {\n            return null;\n          }\n\n          var trimIndex;\n\n          if (matchFound) {\n            trimIndex = gopIndex;\n          } else {\n            trimIndex = alignEndIndex;\n          }\n\n          if (trimIndex === 0) {\n            return gops;\n          }\n\n          var alignedGops = gops.slice(trimIndex);\n          var metadata = alignedGops.reduce(function (total, gop) {\n            total.byteLength += gop.byteLength;\n            total.duration += gop.duration;\n            total.nalCount += gop.nalCount;\n            return total;\n          }, {\n            byteLength: 0,\n            duration: 0,\n            nalCount: 0\n          });\n          alignedGops.byteLength = metadata.byteLength;\n          alignedGops.duration = metadata.duration;\n          alignedGops.nalCount = metadata.nalCount;\n          alignedGops.pts = alignedGops[0].pts;\n          alignedGops.dts = alignedGops[0].dts;\n          return alignedGops;\n        };\n\n        this.alignGopsWith = function (newGopsToAlignWith) {\n          gopsToAlignWith = newGopsToAlignWith;\n        };\n      };\n\n      _VideoSegmentStream.prototype = new stream();\n      /**\n       * A Stream that can combine multiple streams (ie. audio & video)\n       * into a single output segment for MSE. Also supports audio-only\n       * and video-only streams.\n       * @param options {object} transmuxer options object\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at media timeline start.\n       */\n\n      _CoalesceStream = function CoalesceStream(options, metadataStream) {\n        // Number of Tracks per output segment\n        // If greater than 1, we combine multiple\n        // tracks into a single segment\n        this.numberOfTracks = 0;\n        this.metadataStream = metadataStream;\n        options = options || {};\n\n        if (typeof options.remux !== 'undefined') {\n          this.remuxTracks = !!options.remux;\n        } else {\n          this.remuxTracks = true;\n        }\n\n        if (typeof options.keepOriginalTimestamps === 'boolean') {\n          this.keepOriginalTimestamps = options.keepOriginalTimestamps;\n        } else {\n          this.keepOriginalTimestamps = false;\n        }\n\n        this.pendingTracks = [];\n        this.videoTrack = null;\n        this.pendingBoxes = [];\n        this.pendingCaptions = [];\n        this.pendingMetadata = [];\n        this.pendingBytes = 0;\n        this.emittedTracks = 0;\n\n        _CoalesceStream.prototype.init.call(this); // Take output from multiple\n\n\n        this.push = function (output) {\n          // buffer incoming captions until the associated video segment\n          // finishes\n          if (output.text) {\n            return this.pendingCaptions.push(output);\n          } // buffer incoming id3 tags until the final flush\n\n\n          if (output.frames) {\n            return this.pendingMetadata.push(output);\n          } // Add this track to the list of pending tracks and store\n          // important information required for the construction of\n          // the final segment\n\n\n          this.pendingTracks.push(output.track);\n          this.pendingBytes += output.boxes.byteLength; // TODO: is there an issue for this against chrome?\n          // We unshift audio and push video because\n          // as of Chrome 75 when switching from\n          // one init segment to another if the video\n          // mdat does not appear after the audio mdat\n          // only audio will play for the duration of our transmux.\n\n          if (output.track.type === 'video') {\n            this.videoTrack = output.track;\n            this.pendingBoxes.push(output.boxes);\n          }\n\n          if (output.track.type === 'audio') {\n            this.audioTrack = output.track;\n            this.pendingBoxes.unshift(output.boxes);\n          }\n        };\n      };\n\n      _CoalesceStream.prototype = new stream();\n\n      _CoalesceStream.prototype.flush = function (flushSource) {\n        var offset = 0,\n            event = {\n          captions: [],\n          captionStreams: {},\n          metadata: [],\n          info: {}\n        },\n            caption,\n            id3,\n            initSegment,\n            timelineStartPts = 0,\n            i;\n\n        if (this.pendingTracks.length < this.numberOfTracks) {\n          if (flushSource !== 'VideoSegmentStream' && flushSource !== 'AudioSegmentStream') {\n            // Return because we haven't received a flush from a data-generating\n            // portion of the segment (meaning that we have only recieved meta-data\n            // or captions.)\n            return;\n          } else if (this.remuxTracks) {\n            // Return until we have enough tracks from the pipeline to remux (if we\n            // are remuxing audio and video into a single MP4)\n            return;\n          } else if (this.pendingTracks.length === 0) {\n            // In the case where we receive a flush without any data having been\n            // received we consider it an emitted track for the purposes of coalescing\n            // `done` events.\n            // We do this for the case where there is an audio and video track in the\n            // segment but no audio data. (seen in several playlists with alternate\n            // audio tracks and no audio present in the main TS segments.)\n            this.emittedTracks++;\n\n            if (this.emittedTracks >= this.numberOfTracks) {\n              this.trigger('done');\n              this.emittedTracks = 0;\n            }\n\n            return;\n          }\n        }\n\n        if (this.videoTrack) {\n          timelineStartPts = this.videoTrack.timelineStartInfo.pts;\n          VIDEO_PROPERTIES.forEach(function (prop) {\n            event.info[prop] = this.videoTrack[prop];\n          }, this);\n        } else if (this.audioTrack) {\n          timelineStartPts = this.audioTrack.timelineStartInfo.pts;\n          AUDIO_PROPERTIES.forEach(function (prop) {\n            event.info[prop] = this.audioTrack[prop];\n          }, this);\n        }\n\n        if (this.videoTrack || this.audioTrack) {\n          if (this.pendingTracks.length === 1) {\n            event.type = this.pendingTracks[0].type;\n          } else {\n            event.type = 'combined';\n          }\n\n          this.emittedTracks += this.pendingTracks.length;\n          initSegment = mp4Generator.initSegment(this.pendingTracks); // Create a new typed array to hold the init segment\n\n          event.initSegment = new Uint8Array(initSegment.byteLength); // Create an init segment containing a moov\n          // and track definitions\n\n          event.initSegment.set(initSegment); // Create a new typed array to hold the moof+mdats\n\n          event.data = new Uint8Array(this.pendingBytes); // Append each moof+mdat (one per track) together\n\n          for (i = 0; i < this.pendingBoxes.length; i++) {\n            event.data.set(this.pendingBoxes[i], offset);\n            offset += this.pendingBoxes[i].byteLength;\n          } // Translate caption PTS times into second offsets to match the\n          // video timeline for the segment, and add track info\n\n\n          for (i = 0; i < this.pendingCaptions.length; i++) {\n            caption = this.pendingCaptions[i];\n            caption.startTime = clock.metadataTsToSeconds(caption.startPts, timelineStartPts, this.keepOriginalTimestamps);\n            caption.endTime = clock.metadataTsToSeconds(caption.endPts, timelineStartPts, this.keepOriginalTimestamps);\n            event.captionStreams[caption.stream] = true;\n            event.captions.push(caption);\n          } // Translate ID3 frame PTS times into second offsets to match the\n          // video timeline for the segment\n\n\n          for (i = 0; i < this.pendingMetadata.length; i++) {\n            id3 = this.pendingMetadata[i];\n            id3.cueTime = clock.metadataTsToSeconds(id3.pts, timelineStartPts, this.keepOriginalTimestamps);\n            event.metadata.push(id3);\n          } // We add this to every single emitted segment even though we only need\n          // it for the first\n\n\n          event.metadata.dispatchType = this.metadataStream.dispatchType; // Reset stream state\n\n          this.pendingTracks.length = 0;\n          this.videoTrack = null;\n          this.pendingBoxes.length = 0;\n          this.pendingCaptions.length = 0;\n          this.pendingBytes = 0;\n          this.pendingMetadata.length = 0; // Emit the built segment\n          // We include captions and ID3 tags for backwards compatibility,\n          // ideally we should send only video and audio in the data event\n\n          this.trigger('data', event); // Emit each caption to the outside world\n          // Ideally, this would happen immediately on parsing captions,\n          // but we need to ensure that video data is sent back first\n          // so that caption timing can be adjusted to match video timing\n\n          for (i = 0; i < event.captions.length; i++) {\n            caption = event.captions[i];\n            this.trigger('caption', caption);\n          } // Emit each id3 tag to the outside world\n          // Ideally, this would happen immediately on parsing the tag,\n          // but we need to ensure that video data is sent back first\n          // so that ID3 frame timing can be adjusted to match video timing\n\n\n          for (i = 0; i < event.metadata.length; i++) {\n            id3 = event.metadata[i];\n            this.trigger('id3Frame', id3);\n          }\n        } // Only emit `done` if all tracks have been flushed and emitted\n\n\n        if (this.emittedTracks >= this.numberOfTracks) {\n          this.trigger('done');\n          this.emittedTracks = 0;\n        }\n      };\n\n      _CoalesceStream.prototype.setRemux = function (val) {\n        this.remuxTracks = val;\n      };\n      /**\n       * A Stream that expects MP2T binary data as input and produces\n       * corresponding media segments, suitable for use with Media Source\n       * Extension (MSE) implementations that support the ISO BMFF byte\n       * stream format, like Chrome.\n       */\n\n\n      _Transmuxer = function Transmuxer(options) {\n        var self = this,\n            hasFlushed = true,\n            videoTrack,\n            audioTrack;\n\n        _Transmuxer.prototype.init.call(this);\n\n        options = options || {};\n        this.baseMediaDecodeTime = options.baseMediaDecodeTime || 0;\n        this.transmuxPipeline_ = {};\n\n        this.setupAacPipeline = function () {\n          var pipeline = {};\n          this.transmuxPipeline_ = pipeline;\n          pipeline.type = 'aac';\n          pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline\n\n          pipeline.aacStream = new aac();\n          pipeline.audioTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('audio');\n          pipeline.timedMetadataTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('timed-metadata');\n          pipeline.adtsStream = new adts();\n          pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);\n          pipeline.headOfPipeline = pipeline.aacStream;\n          pipeline.aacStream.pipe(pipeline.audioTimestampRolloverStream).pipe(pipeline.adtsStream);\n          pipeline.aacStream.pipe(pipeline.timedMetadataTimestampRolloverStream).pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream);\n          pipeline.metadataStream.on('timestamp', function (frame) {\n            pipeline.aacStream.setTimestamp(frame.timeStamp);\n          });\n          pipeline.aacStream.on('data', function (data) {\n            if (data.type === 'timed-metadata' && !pipeline.audioSegmentStream) {\n              audioTrack = audioTrack || {\n                timelineStartInfo: {\n                  baseMediaDecodeTime: self.baseMediaDecodeTime\n                },\n                codec: 'adts',\n                type: 'audio'\n              }; // hook up the audio segment stream to the first track with aac data\n\n              pipeline.coalesceStream.numberOfTracks++;\n              pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);\n              pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline\n\n              pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);\n            } // emit pmt info\n\n\n            self.trigger('trackinfo', {\n              hasAudio: !!audioTrack,\n              hasVideo: !!videoTrack\n            });\n          }); // Re-emit any data coming from the coalesce stream to the outside world\n\n          pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data')); // Let the consumer know we have finished flushing the entire pipeline\n\n          pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));\n        };\n\n        this.setupTsPipeline = function () {\n          var pipeline = {};\n          this.transmuxPipeline_ = pipeline;\n          pipeline.type = 'ts';\n          pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline\n\n          pipeline.packetStream = new m2ts_1.TransportPacketStream();\n          pipeline.parseStream = new m2ts_1.TransportParseStream();\n          pipeline.elementaryStream = new m2ts_1.ElementaryStream();\n          pipeline.timestampRolloverStream = new m2ts_1.TimestampRolloverStream();\n          pipeline.adtsStream = new adts();\n          pipeline.h264Stream = new H264Stream();\n          pipeline.captionStream = new m2ts_1.CaptionStream();\n          pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);\n          pipeline.headOfPipeline = pipeline.packetStream; // disassemble MPEG2-TS packets into elementary streams\n\n          pipeline.packetStream.pipe(pipeline.parseStream).pipe(pipeline.elementaryStream).pipe(pipeline.timestampRolloverStream); // !!THIS ORDER IS IMPORTANT!!\n          // demux the streams\n\n          pipeline.timestampRolloverStream.pipe(pipeline.h264Stream);\n          pipeline.timestampRolloverStream.pipe(pipeline.adtsStream);\n          pipeline.timestampRolloverStream.pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream); // Hook up CEA-608/708 caption stream\n\n          pipeline.h264Stream.pipe(pipeline.captionStream).pipe(pipeline.coalesceStream);\n          pipeline.elementaryStream.on('data', function (data) {\n            var i;\n\n            if (data.type === 'metadata') {\n              i = data.tracks.length; // scan the tracks listed in the metadata\n\n              while (i--) {\n                if (!videoTrack && data.tracks[i].type === 'video') {\n                  videoTrack = data.tracks[i];\n                  videoTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;\n                } else if (!audioTrack && data.tracks[i].type === 'audio') {\n                  audioTrack = data.tracks[i];\n                  audioTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;\n                }\n              } // hook up the video segment stream to the first track with h264 data\n\n\n              if (videoTrack && !pipeline.videoSegmentStream) {\n                pipeline.coalesceStream.numberOfTracks++;\n                pipeline.videoSegmentStream = new _VideoSegmentStream(videoTrack, options);\n                pipeline.videoSegmentStream.on('timelineStartInfo', function (timelineStartInfo) {\n                  // When video emits timelineStartInfo data after a flush, we forward that\n                  // info to the AudioSegmentStream, if it exists, because video timeline\n                  // data takes precedence.\n                  if (audioTrack) {\n                    audioTrack.timelineStartInfo = timelineStartInfo; // On the first segment we trim AAC frames that exist before the\n                    // very earliest DTS we have seen in video because Chrome will\n                    // interpret any video track with a baseMediaDecodeTime that is\n                    // non-zero as a gap.\n\n                    pipeline.audioSegmentStream.setEarliestDts(timelineStartInfo.dts);\n                  }\n                });\n                pipeline.videoSegmentStream.on('processedGopsInfo', self.trigger.bind(self, 'gopInfo'));\n                pipeline.videoSegmentStream.on('segmentTimingInfo', self.trigger.bind(self, 'videoSegmentTimingInfo'));\n                pipeline.videoSegmentStream.on('baseMediaDecodeTime', function (baseMediaDecodeTime) {\n                  if (audioTrack) {\n                    pipeline.audioSegmentStream.setVideoBaseMediaDecodeTime(baseMediaDecodeTime);\n                  }\n                });\n                pipeline.videoSegmentStream.on('timingInfo', self.trigger.bind(self, 'videoTimingInfo')); // Set up the final part of the video pipeline\n\n                pipeline.h264Stream.pipe(pipeline.videoSegmentStream).pipe(pipeline.coalesceStream);\n              }\n\n              if (audioTrack && !pipeline.audioSegmentStream) {\n                // hook up the audio segment stream to the first track with aac data\n                pipeline.coalesceStream.numberOfTracks++;\n                pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);\n                pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline\n\n                pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);\n              } // emit pmt info\n\n\n              self.trigger('trackinfo', {\n                hasAudio: !!audioTrack,\n                hasVideo: !!videoTrack\n              });\n            }\n          }); // Re-emit any data coming from the coalesce stream to the outside world\n\n          pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data'));\n          pipeline.coalesceStream.on('id3Frame', function (id3Frame) {\n            id3Frame.dispatchType = pipeline.metadataStream.dispatchType;\n            self.trigger('id3Frame', id3Frame);\n          });\n          pipeline.coalesceStream.on('caption', this.trigger.bind(this, 'caption')); // Let the consumer know we have finished flushing the entire pipeline\n\n          pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));\n        }; // hook up the segment streams once track metadata is delivered\n\n\n        this.setBaseMediaDecodeTime = function (baseMediaDecodeTime) {\n          var pipeline = this.transmuxPipeline_;\n\n          if (!options.keepOriginalTimestamps) {\n            this.baseMediaDecodeTime = baseMediaDecodeTime;\n          }\n\n          if (audioTrack) {\n            audioTrack.timelineStartInfo.dts = undefined;\n            audioTrack.timelineStartInfo.pts = undefined;\n            trackDecodeInfo.clearDtsInfo(audioTrack);\n\n            if (!options.keepOriginalTimestamps) {\n              audioTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;\n            }\n\n            if (pipeline.audioTimestampRolloverStream) {\n              pipeline.audioTimestampRolloverStream.discontinuity();\n            }\n          }\n\n          if (videoTrack) {\n            if (pipeline.videoSegmentStream) {\n              pipeline.videoSegmentStream.gopCache_ = [];\n            }\n\n            videoTrack.timelineStartInfo.dts = undefined;\n            videoTrack.timelineStartInfo.pts = undefined;\n            trackDecodeInfo.clearDtsInfo(videoTrack);\n            pipeline.captionStream.reset();\n\n            if (!options.keepOriginalTimestamps) {\n              videoTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;\n            }\n          }\n\n          if (pipeline.timestampRolloverStream) {\n            pipeline.timestampRolloverStream.discontinuity();\n          }\n        };\n\n        this.setAudioAppendStart = function (timestamp) {\n          if (audioTrack) {\n            this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(timestamp);\n          }\n        };\n\n        this.setRemux = function (val) {\n          var pipeline = this.transmuxPipeline_;\n          options.remux = val;\n\n          if (pipeline && pipeline.coalesceStream) {\n            pipeline.coalesceStream.setRemux(val);\n          }\n        };\n\n        this.alignGopsWith = function (gopsToAlignWith) {\n          if (videoTrack && this.transmuxPipeline_.videoSegmentStream) {\n            this.transmuxPipeline_.videoSegmentStream.alignGopsWith(gopsToAlignWith);\n          }\n        }; // feed incoming data to the front of the parsing pipeline\n\n\n        this.push = function (data) {\n          if (hasFlushed) {\n            var isAac = isLikelyAacData$1(data);\n\n            if (isAac && this.transmuxPipeline_.type !== 'aac') {\n              this.setupAacPipeline();\n            } else if (!isAac && this.transmuxPipeline_.type !== 'ts') {\n              this.setupTsPipeline();\n            }\n\n            hasFlushed = false;\n          }\n\n          this.transmuxPipeline_.headOfPipeline.push(data);\n        }; // flush any buffered data\n\n\n        this.flush = function () {\n          hasFlushed = true; // Start at the top of the pipeline and flush all pending work\n\n          this.transmuxPipeline_.headOfPipeline.flush();\n        };\n\n        this.endTimeline = function () {\n          this.transmuxPipeline_.headOfPipeline.endTimeline();\n        };\n\n        this.reset = function () {\n          if (this.transmuxPipeline_.headOfPipeline) {\n            this.transmuxPipeline_.headOfPipeline.reset();\n          }\n        }; // Caption data has to be reset when seeking outside buffered range\n\n\n        this.resetCaptions = function () {\n          if (this.transmuxPipeline_.captionStream) {\n            this.transmuxPipeline_.captionStream.reset();\n          }\n        };\n      };\n\n      _Transmuxer.prototype = new stream();\n      var transmuxer = {\n        Transmuxer: _Transmuxer,\n        VideoSegmentStream: _VideoSegmentStream,\n        AudioSegmentStream: _AudioSegmentStream,\n        AUDIO_PROPERTIES: AUDIO_PROPERTIES,\n        VIDEO_PROPERTIES: VIDEO_PROPERTIES,\n        // exported for testing\n        generateVideoSegmentTimingInfo: generateVideoSegmentTimingInfo\n      };\n\n      var classCallCheck = function classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n          throw new TypeError(\"Cannot call a class as a function\");\n        }\n      };\n\n      var createClass = function () {\n        function defineProperties(target, props) {\n          for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n          }\n        }\n\n        return function (Constructor, protoProps, staticProps) {\n          if (protoProps) defineProperties(Constructor.prototype, protoProps);\n          if (staticProps) defineProperties(Constructor, staticProps);\n          return Constructor;\n        };\n      }();\n      /**\n       * @file transmuxer-worker.js\n       */\n\n      /**\n       * Re-emits transmuxer events by converting them into messages to the\n       * world outside the worker.\n       *\n       * @param {Object} transmuxer the transmuxer to wire events on\n       * @private\n       */\n\n\n      var wireTransmuxerEvents = function wireTransmuxerEvents(self, transmuxer$$1) {\n        transmuxer$$1.on('data', function (segment) {\n          // transfer ownership of the underlying ArrayBuffer\n          // instead of doing a copy to save memory\n          // ArrayBuffers are transferable but generic TypedArrays are not\n          // @link https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers#Passing_data_by_transferring_ownership_(transferable_objects)\n          var initArray = segment.initSegment;\n          segment.initSegment = {\n            data: initArray.buffer,\n            byteOffset: initArray.byteOffset,\n            byteLength: initArray.byteLength\n          };\n          var typedArray = segment.data;\n          segment.data = typedArray.buffer;\n          self.postMessage({\n            action: 'data',\n            segment: segment,\n            byteOffset: typedArray.byteOffset,\n            byteLength: typedArray.byteLength\n          }, [segment.data]);\n        });\n\n        if (transmuxer$$1.captionStream) {\n          transmuxer$$1.captionStream.on('data', function (caption) {\n            self.postMessage({\n              action: 'caption',\n              data: caption\n            });\n          });\n        }\n\n        transmuxer$$1.on('done', function (data) {\n          self.postMessage({\n            action: 'done'\n          });\n        });\n        transmuxer$$1.on('gopInfo', function (gopInfo) {\n          self.postMessage({\n            action: 'gopInfo',\n            gopInfo: gopInfo\n          });\n        });\n        transmuxer$$1.on('videoSegmentTimingInfo', function (videoSegmentTimingInfo) {\n          self.postMessage({\n            action: 'videoSegmentTimingInfo',\n            videoSegmentTimingInfo: videoSegmentTimingInfo\n          });\n        });\n      };\n      /**\n       * All incoming messages route through this hash. If no function exists\n       * to handle an incoming message, then we ignore the message.\n       *\n       * @class MessageHandlers\n       * @param {Object} options the options to initialize with\n       */\n\n\n      var MessageHandlers = function () {\n        function MessageHandlers(self, options) {\n          classCallCheck(this, MessageHandlers);\n          this.options = options || {};\n          this.self = self;\n          this.init();\n        }\n        /**\n         * initialize our web worker and wire all the events.\n         */\n\n\n        createClass(MessageHandlers, [{\n          key: 'init',\n          value: function init() {\n            if (this.transmuxer) {\n              this.transmuxer.dispose();\n            }\n\n            this.transmuxer = new transmuxer.Transmuxer(this.options);\n            wireTransmuxerEvents(this.self, this.transmuxer);\n          }\n          /**\n           * Adds data (a ts segment) to the start of the transmuxer pipeline for\n           * processing.\n           *\n           * @param {ArrayBuffer} data data to push into the muxer\n           */\n\n        }, {\n          key: 'push',\n          value: function push(data) {\n            // Cast array buffer to correct type for transmuxer\n            var segment = new Uint8Array(data.data, data.byteOffset, data.byteLength);\n            this.transmuxer.push(segment);\n          }\n          /**\n           * Recreate the transmuxer so that the next segment added via `push`\n           * start with a fresh transmuxer.\n           */\n\n        }, {\n          key: 'reset',\n          value: function reset() {\n            this.init();\n          }\n          /**\n           * Set the value that will be used as the `baseMediaDecodeTime` time for the\n           * next segment pushed in. Subsequent segments will have their `baseMediaDecodeTime`\n           * set relative to the first based on the PTS values.\n           *\n           * @param {Object} data used to set the timestamp offset in the muxer\n           */\n\n        }, {\n          key: 'setTimestampOffset',\n          value: function setTimestampOffset(data) {\n            var timestampOffset = data.timestampOffset || 0;\n            this.transmuxer.setBaseMediaDecodeTime(Math.round(timestampOffset * 90000));\n          }\n        }, {\n          key: 'setAudioAppendStart',\n          value: function setAudioAppendStart(data) {\n            this.transmuxer.setAudioAppendStart(Math.ceil(data.appendStart * 90000));\n          }\n          /**\n           * Forces the pipeline to finish processing the last segment and emit it's\n           * results.\n           *\n           * @param {Object} data event data, not really used\n           */\n\n        }, {\n          key: 'flush',\n          value: function flush(data) {\n            this.transmuxer.flush();\n          }\n        }, {\n          key: 'resetCaptions',\n          value: function resetCaptions() {\n            this.transmuxer.resetCaptions();\n          }\n        }, {\n          key: 'alignGopsWith',\n          value: function alignGopsWith(data) {\n            this.transmuxer.alignGopsWith(data.gopsToAlignWith.slice());\n          }\n        }]);\n        return MessageHandlers;\n      }();\n      /**\n       * Our web wroker interface so that things can talk to mux.js\n       * that will be running in a web worker. the scope is passed to this by\n       * webworkify.\n       *\n       * @param {Object} self the scope for the web worker\n       */\n\n\n      var TransmuxerWorker = function TransmuxerWorker(self) {\n        self.onmessage = function (event) {\n          if (event.data.action === 'init' && event.data.options) {\n            this.messageHandlers = new MessageHandlers(self, event.data.options);\n            return;\n          }\n\n          if (!this.messageHandlers) {\n            this.messageHandlers = new MessageHandlers(self);\n          }\n\n          if (event.data && event.data.action && event.data.action !== 'init') {\n            if (this.messageHandlers[event.data.action]) {\n              this.messageHandlers[event.data.action](event.data);\n            }\n          }\n        };\n      };\n\n      var transmuxerWorker = new TransmuxerWorker(self);\n      return transmuxerWorker;\n    }();\n  });\n  /**\n   * @file - codecs.js - Handles tasks regarding codec strings such as translating them to\n   * codec strings, or translating codec strings into objects that can be examined.\n   */\n  // Default codec parameters if none were provided for video and/or audio\n\n  var defaultCodecs = {\n    videoCodec: 'avc1',\n    videoObjectTypeIndicator: '.4d400d',\n    // AAC-LC\n    audioProfile: '2'\n  };\n  /**\n   * Replace the old apple-style `avc1.<dd>.<dd>` codec string with the standard\n   * `avc1.<hhhhhh>`\n   *\n   * @param {Array} codecs an array of codec strings to fix\n   * @return {Array} the translated codec array\n   * @private\n   */\n\n  var translateLegacyCodecs = function translateLegacyCodecs(codecs) {\n    return codecs.map(function (codec) {\n      return codec.replace(/avc1\\.(\\d+)\\.(\\d+)/i, function (orig, profile, avcLevel) {\n        var profileHex = ('00' + Number(profile).toString(16)).slice(-2);\n        var avcLevelHex = ('00' + Number(avcLevel).toString(16)).slice(-2);\n        return 'avc1.' + profileHex + '00' + avcLevelHex;\n      });\n    });\n  };\n  /**\n   * Parses a codec string to retrieve the number of codecs specified,\n   * the video codec and object type indicator, and the audio profile.\n   */\n\n\n  var parseCodecs = function parseCodecs() {\n    var codecs = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';\n    var result = {\n      codecCount: 0\n    };\n    var parsed = void 0;\n    result.codecCount = codecs.split(',').length;\n    result.codecCount = result.codecCount || 2; // parse the video codec\n\n    parsed = /(^|\\s|,)+(avc[13])([^ ,]*)/i.exec(codecs);\n\n    if (parsed) {\n      result.videoCodec = parsed[2];\n      result.videoObjectTypeIndicator = parsed[3];\n    } // parse the last field of the audio codec\n\n\n    result.audioProfile = /(^|\\s|,)+mp4a.[0-9A-Fa-f]+\\.([0-9A-Fa-f]+)/i.exec(codecs);\n    result.audioProfile = result.audioProfile && result.audioProfile[2];\n    return result;\n  };\n  /**\n   * Replace codecs in the codec string with the old apple-style `avc1.<dd>.<dd>` to the\n   * standard `avc1.<hhhhhh>`.\n   *\n   * @param codecString {String} the codec string\n   * @return {String} the codec string with old apple-style codecs replaced\n   *\n   * @private\n   */\n\n\n  var mapLegacyAvcCodecs = function mapLegacyAvcCodecs(codecString) {\n    return codecString.replace(/avc1\\.(\\d+)\\.(\\d+)/i, function (match) {\n      return translateLegacyCodecs([match])[0];\n    });\n  };\n  /**\n   * Build a media mime-type string from a set of parameters\n   * @param {String} type either 'audio' or 'video'\n   * @param {String} container either 'mp2t' or 'mp4'\n   * @param {Array} codecs an array of codec strings to add\n   * @return {String} a valid media mime-type\n   */\n\n\n  var makeMimeTypeString = function makeMimeTypeString(type, container, codecs) {\n    // The codecs array is filtered so that falsey values are\n    // dropped and don't cause Array#join to create spurious\n    // commas\n    return type + '/' + container + '; codecs=\"' + codecs.filter(function (c) {\n      return !!c;\n    }).join(', ') + '\"';\n  };\n  /**\n   * Returns the type container based on information in the playlist\n   * @param {Playlist} media the current media playlist\n   * @return {String} a valid media container type\n   */\n\n\n  var getContainerType = function getContainerType(media) {\n    // An initialization segment means the media playlist is an iframe\n    // playlist or is using the mp4 container. We don't currently\n    // support iframe playlists, so assume this is signalling mp4\n    // fragments.\n    if (media.segments && media.segments.length && media.segments[0].map) {\n      return 'mp4';\n    }\n\n    return 'mp2t';\n  };\n  /**\n   * Returns a set of codec strings parsed from the playlist or the default\n   * codec strings if no codecs were specified in the playlist\n   * @param {Playlist} media the current media playlist\n   * @return {Object} an object with the video and audio codecs\n   */\n\n\n  var getCodecs = function getCodecs(media) {\n    // if the codecs were explicitly specified, use them instead of the\n    // defaults\n    var mediaAttributes = media.attributes || {};\n\n    if (mediaAttributes.CODECS) {\n      return parseCodecs(mediaAttributes.CODECS);\n    }\n\n    return defaultCodecs;\n  };\n\n  var audioProfileFromDefault = function audioProfileFromDefault(master, audioGroupId) {\n    if (!master.mediaGroups.AUDIO || !audioGroupId) {\n      return null;\n    }\n\n    var audioGroup = master.mediaGroups.AUDIO[audioGroupId];\n\n    if (!audioGroup) {\n      return null;\n    }\n\n    for (var name in audioGroup) {\n      var audioType = audioGroup[name];\n\n      if (audioType[\"default\"] && audioType.playlists) {\n        // codec should be the same for all playlists within the audio type\n        return parseCodecs(audioType.playlists[0].attributes.CODECS).audioProfile;\n      }\n    }\n\n    return null;\n  };\n  /**\n   * Calculates the MIME type strings for a working configuration of\n   * SourceBuffers to play variant streams in a master playlist. If\n   * there is no possible working configuration, an empty array will be\n   * returned.\n   *\n   * @param master {Object} the m3u8 object for the master playlist\n   * @param media {Object} the m3u8 object for the variant playlist\n   * @return {Array} the MIME type strings. If the array has more than\n   * one entry, the first element should be applied to the video\n   * SourceBuffer and the second to the audio SourceBuffer.\n   *\n   * @private\n   */\n\n\n  var mimeTypesForPlaylist = function mimeTypesForPlaylist(master, media) {\n    var containerType = getContainerType(media);\n    var codecInfo = getCodecs(media);\n    var mediaAttributes = media.attributes || {}; // Default condition for a traditional HLS (no demuxed audio/video)\n\n    var isMuxed = true;\n    var isMaat = false;\n\n    if (!media) {\n      // Not enough information\n      return [];\n    }\n\n    if (master.mediaGroups.AUDIO && mediaAttributes.AUDIO) {\n      var audioGroup = master.mediaGroups.AUDIO[mediaAttributes.AUDIO]; // Handle the case where we are in a multiple-audio track scenario\n\n      if (audioGroup) {\n        isMaat = true; // Start with the everything demuxed then...\n\n        isMuxed = false; // ...check to see if any audio group tracks are muxed (ie. lacking a uri)\n\n        for (var groupId in audioGroup) {\n          // either a uri is present (if the case of HLS and an external playlist), or\n          // playlists is present (in the case of DASH where we don't have external audio\n          // playlists)\n          if (!audioGroup[groupId].uri && !audioGroup[groupId].playlists) {\n            isMuxed = true;\n            break;\n          }\n        }\n      }\n    } // HLS with multiple-audio tracks must always get an audio codec.\n    // Put another way, there is no way to have a video-only multiple-audio HLS!\n\n\n    if (isMaat && !codecInfo.audioProfile) {\n      if (!isMuxed) {\n        // It is possible for codecs to be specified on the audio media group playlist but\n        // not on the rendition playlist. This is mostly the case for DASH, where audio and\n        // video are always separate (and separately specified).\n        codecInfo.audioProfile = audioProfileFromDefault(master, mediaAttributes.AUDIO);\n      }\n\n      if (!codecInfo.audioProfile) {\n        videojs$1.log.warn('Multiple audio tracks present but no audio codec string is specified. ' + 'Attempting to use the default audio codec (mp4a.40.2)');\n        codecInfo.audioProfile = defaultCodecs.audioProfile;\n      }\n    } // Generate the final codec strings from the codec object generated above\n\n\n    var codecStrings = {};\n\n    if (codecInfo.videoCodec) {\n      codecStrings.video = '' + codecInfo.videoCodec + codecInfo.videoObjectTypeIndicator;\n    }\n\n    if (codecInfo.audioProfile) {\n      codecStrings.audio = 'mp4a.40.' + codecInfo.audioProfile;\n    } // Finally, make and return an array with proper mime-types depending on\n    // the configuration\n\n\n    var justAudio = makeMimeTypeString('audio', containerType, [codecStrings.audio]);\n    var justVideo = makeMimeTypeString('video', containerType, [codecStrings.video]);\n    var bothVideoAudio = makeMimeTypeString('video', containerType, [codecStrings.video, codecStrings.audio]);\n\n    if (isMaat) {\n      if (!isMuxed && codecStrings.video) {\n        return [justVideo, justAudio];\n      }\n\n      if (!isMuxed && !codecStrings.video) {\n        // There is no muxed content and no video codec string, so this is an audio only\n        // stream with alternate audio.\n        return [justAudio, justAudio];\n      } // There exists the possiblity that this will return a `video/container`\n      // mime-type for the first entry in the array even when there is only audio.\n      // This doesn't appear to be a problem and simplifies the code.\n\n\n      return [bothVideoAudio, justAudio];\n    } // If there is no video codec at all, always just return a single\n    // audio/<container> mime-type\n\n\n    if (!codecStrings.video) {\n      return [justAudio];\n    } // When not using separate audio media groups, audio and video is\n    // *always* muxed\n\n\n    return [bothVideoAudio];\n  };\n  /**\n   * Parse a content type header into a type and parameters\n   * object\n   *\n   * @param {String} type the content type header\n   * @return {Object} the parsed content-type\n   * @private\n   */\n\n\n  var parseContentType = function parseContentType(type) {\n    var object = {\n      type: '',\n      parameters: {}\n    };\n    var parameters = type.trim().split(';'); // first parameter should always be content-type\n\n    object.type = parameters.shift().trim();\n    parameters.forEach(function (parameter) {\n      var pair = parameter.trim().split('=');\n\n      if (pair.length > 1) {\n        var name = pair[0].replace(/\"/g, '').trim();\n        var value = pair[1].replace(/\"/g, '').trim();\n        object.parameters[name] = value;\n      }\n    });\n    return object;\n  };\n  /**\n   * Check if a codec string refers to an audio codec.\n   *\n   * @param {String} codec codec string to check\n   * @return {Boolean} if this is an audio codec\n   * @private\n   */\n\n\n  var isAudioCodec = function isAudioCodec(codec) {\n    return /mp4a\\.\\d+.\\d+/i.test(codec);\n  };\n  /**\n   * Check if a codec string refers to a video codec.\n   *\n   * @param {String} codec codec string to check\n   * @return {Boolean} if this is a video codec\n   * @private\n   */\n\n\n  var isVideoCodec = function isVideoCodec(codec) {\n    return /avc1\\.[\\da-f]+/i.test(codec);\n  };\n  /**\n   * Returns a list of gops in the buffer that have a pts value of 3 seconds or more in\n   * front of current time.\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Number} currentTime\n   *        The current time\n   * @param {Double} mapping\n   *        Offset to map display time to stream presentation time\n   * @return {Array}\n   *         List of gops considered safe to append over\n   */\n\n\n  var gopsSafeToAlignWith = function gopsSafeToAlignWith(buffer, currentTime, mapping) {\n    if (typeof currentTime === 'undefined' || currentTime === null || !buffer.length) {\n      return [];\n    } // pts value for current time + 3 seconds to give a bit more wiggle room\n\n\n    var currentTimePts = Math.ceil((currentTime - mapping + 3) * 90000);\n    var i = void 0;\n\n    for (i = 0; i < buffer.length; i++) {\n      if (buffer[i].pts > currentTimePts) {\n        break;\n      }\n    }\n\n    return buffer.slice(i);\n  };\n  /**\n   * Appends gop information (timing and byteLength) received by the transmuxer for the\n   * gops appended in the last call to appendBuffer\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Array} gops\n   *        List of new gop information\n   * @param {boolean} replace\n   *        If true, replace the buffer with the new gop information. If false, append the\n   *        new gop information to the buffer in the right location of time.\n   * @return {Array}\n   *         Updated list of gop information\n   */\n\n\n  var updateGopBuffer = function updateGopBuffer(buffer, gops, replace) {\n    if (!gops.length) {\n      return buffer;\n    }\n\n    if (replace) {\n      // If we are in safe append mode, then completely overwrite the gop buffer\n      // with the most recent appeneded data. This will make sure that when appending\n      // future segments, we only try to align with gops that are both ahead of current\n      // time and in the last segment appended.\n      return gops.slice();\n    }\n\n    var start = gops[0].pts;\n    var i = 0;\n\n    for (i; i < buffer.length; i++) {\n      if (buffer[i].pts >= start) {\n        break;\n      }\n    }\n\n    return buffer.slice(0, i).concat(gops);\n  };\n  /**\n   * Removes gop information in buffer that overlaps with provided start and end\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Double} start\n   *        position to start the remove at\n   * @param {Double} end\n   *        position to end the remove at\n   * @param {Double} mapping\n   *        Offset to map display time to stream presentation time\n   */\n\n\n  var removeGopBuffer = function removeGopBuffer(buffer, start, end, mapping) {\n    var startPts = Math.ceil((start - mapping) * 90000);\n    var endPts = Math.ceil((end - mapping) * 90000);\n    var updatedBuffer = buffer.slice();\n    var i = buffer.length;\n\n    while (i--) {\n      if (buffer[i].pts <= endPts) {\n        break;\n      }\n    }\n\n    if (i === -1) {\n      // no removal because end of remove range is before start of buffer\n      return updatedBuffer;\n    }\n\n    var j = i + 1;\n\n    while (j--) {\n      if (buffer[j].pts <= startPts) {\n        break;\n      }\n    } // clamp remove range start to 0 index\n\n\n    j = Math.max(j, 0);\n    updatedBuffer.splice(j, i - j + 1);\n    return updatedBuffer;\n  };\n\n  var buffered = function buffered(videoBuffer, audioBuffer, audioDisabled) {\n    var start = null;\n    var end = null;\n    var arity = 0;\n    var extents = [];\n    var ranges = []; // neither buffer has been created yet\n\n    if (!videoBuffer && !audioBuffer) {\n      return videojs$1.createTimeRange();\n    } // only one buffer is configured\n\n\n    if (!videoBuffer) {\n      return audioBuffer.buffered;\n    }\n\n    if (!audioBuffer) {\n      return videoBuffer.buffered;\n    } // both buffers are configured\n\n\n    if (audioDisabled) {\n      return videoBuffer.buffered;\n    } // both buffers are empty\n\n\n    if (videoBuffer.buffered.length === 0 && audioBuffer.buffered.length === 0) {\n      return videojs$1.createTimeRange();\n    } // Handle the case where we have both buffers and create an\n    // intersection of the two\n\n\n    var videoBuffered = videoBuffer.buffered;\n    var audioBuffered = audioBuffer.buffered;\n    var count = videoBuffered.length; // A) Gather up all start and end times\n\n    while (count--) {\n      extents.push({\n        time: videoBuffered.start(count),\n        type: 'start'\n      });\n      extents.push({\n        time: videoBuffered.end(count),\n        type: 'end'\n      });\n    }\n\n    count = audioBuffered.length;\n\n    while (count--) {\n      extents.push({\n        time: audioBuffered.start(count),\n        type: 'start'\n      });\n      extents.push({\n        time: audioBuffered.end(count),\n        type: 'end'\n      });\n    } // B) Sort them by time\n\n\n    extents.sort(function (a, b) {\n      return a.time - b.time;\n    }); // C) Go along one by one incrementing arity for start and decrementing\n    //    arity for ends\n\n    for (count = 0; count < extents.length; count++) {\n      if (extents[count].type === 'start') {\n        arity++; // D) If arity is ever incremented to 2 we are entering an\n        //    overlapping range\n\n        if (arity === 2) {\n          start = extents[count].time;\n        }\n      } else if (extents[count].type === 'end') {\n        arity--; // E) If arity is ever decremented to 1 we leaving an\n        //    overlapping range\n\n        if (arity === 1) {\n          end = extents[count].time;\n        }\n      } // F) Record overlapping ranges\n\n\n      if (start !== null && end !== null) {\n        ranges.push([start, end]);\n        start = null;\n        end = null;\n      }\n    }\n\n    return videojs$1.createTimeRanges(ranges);\n  };\n  /**\n   * @file virtual-source-buffer.js\n   */\n\n\n  var ONE_SECOND_IN_TS$2 = 90000; // We create a wrapper around the SourceBuffer so that we can manage the\n  // state of the `updating` property manually. We have to do this because\n  // Firefox changes `updating` to false long before triggering `updateend`\n  // events and that was causing strange problems in videojs-contrib-hls\n\n  var makeWrappedSourceBuffer = function makeWrappedSourceBuffer(mediaSource, mimeType) {\n    var sourceBuffer = mediaSource.addSourceBuffer(mimeType);\n    var wrapper = Object.create(null);\n    wrapper.updating = false;\n    wrapper.realBuffer_ = sourceBuffer;\n\n    var _loop = function _loop(key) {\n      if (typeof sourceBuffer[key] === 'function') {\n        wrapper[key] = function () {\n          return sourceBuffer[key].apply(sourceBuffer, arguments);\n        };\n      } else if (typeof wrapper[key] === 'undefined') {\n        Object.defineProperty(wrapper, key, {\n          get: function get$$1() {\n            return sourceBuffer[key];\n          },\n          set: function set$$1(v) {\n            return sourceBuffer[key] = v;\n          }\n        });\n      }\n    };\n\n    for (var key in sourceBuffer) {\n      _loop(key);\n    }\n\n    return wrapper;\n  };\n  /**\n   * VirtualSourceBuffers exist so that we can transmux non native formats\n   * into a native format, but keep the same api as a native source buffer.\n   * It creates a transmuxer, that works in its own thread (a web worker) and\n   * that transmuxer muxes the data into a native format. VirtualSourceBuffer will\n   * then send all of that data to the naive sourcebuffer so that it is\n   * indestinguishable from a natively supported format.\n   *\n   * @param {HtmlMediaSource} mediaSource the parent mediaSource\n   * @param {Array} codecs array of codecs that we will be dealing with\n   * @class VirtualSourceBuffer\n   * @extends video.js.EventTarget\n   */\n\n\n  var VirtualSourceBuffer = function (_videojs$EventTarget) {\n    inherits$2(VirtualSourceBuffer, _videojs$EventTarget);\n\n    function VirtualSourceBuffer(mediaSource, codecs) {\n      classCallCheck$1(this, VirtualSourceBuffer);\n\n      var _this = possibleConstructorReturn$1(this, (VirtualSourceBuffer.__proto__ || Object.getPrototypeOf(VirtualSourceBuffer)).call(this, videojs$1.EventTarget));\n\n      _this.timestampOffset_ = 0;\n      _this.pendingBuffers_ = [];\n      _this.bufferUpdating_ = false;\n      _this.mediaSource_ = mediaSource;\n      _this.codecs_ = codecs;\n      _this.audioCodec_ = null;\n      _this.videoCodec_ = null;\n      _this.audioDisabled_ = false;\n      _this.appendAudioInitSegment_ = true;\n      _this.gopBuffer_ = [];\n      _this.timeMapping_ = 0;\n      _this.safeAppend_ = videojs$1.browser.IE_VERSION >= 11;\n      var options = {\n        remux: false,\n        alignGopsAtEnd: _this.safeAppend_\n      };\n\n      _this.codecs_.forEach(function (codec) {\n        if (isAudioCodec(codec)) {\n          _this.audioCodec_ = codec;\n        } else if (isVideoCodec(codec)) {\n          _this.videoCodec_ = codec;\n        }\n      }); // append muxed segments to their respective native buffers as\n      // soon as they are available\n\n\n      _this.transmuxer_ = new TransmuxWorker();\n\n      _this.transmuxer_.postMessage({\n        action: 'init',\n        options: options\n      });\n\n      _this.transmuxer_.onmessage = function (event) {\n        if (event.data.action === 'data') {\n          return _this.data_(event);\n        }\n\n        if (event.data.action === 'done') {\n          return _this.done_(event);\n        }\n\n        if (event.data.action === 'gopInfo') {\n          return _this.appendGopInfo_(event);\n        }\n\n        if (event.data.action === 'videoSegmentTimingInfo') {\n          return _this.videoSegmentTimingInfo_(event.data.videoSegmentTimingInfo);\n        }\n      }; // this timestampOffset is a property with the side-effect of resetting\n      // baseMediaDecodeTime in the transmuxer on the setter\n\n\n      Object.defineProperty(_this, 'timestampOffset', {\n        get: function get$$1() {\n          return this.timestampOffset_;\n        },\n        set: function set$$1(val) {\n          if (typeof val === 'number' && val >= 0) {\n            this.timestampOffset_ = val;\n            this.appendAudioInitSegment_ = true; // reset gop buffer on timestampoffset as this signals a change in timeline\n\n            this.gopBuffer_.length = 0;\n            this.timeMapping_ = 0; // We have to tell the transmuxer to set the baseMediaDecodeTime to\n            // the desired timestampOffset for the next segment\n\n            this.transmuxer_.postMessage({\n              action: 'setTimestampOffset',\n              timestampOffset: val\n            });\n          }\n        }\n      }); // setting the append window affects both source buffers\n\n      Object.defineProperty(_this, 'appendWindowStart', {\n        get: function get$$1() {\n          return (this.videoBuffer_ || this.audioBuffer_).appendWindowStart;\n        },\n        set: function set$$1(start) {\n          if (this.videoBuffer_) {\n            this.videoBuffer_.appendWindowStart = start;\n          }\n\n          if (this.audioBuffer_) {\n            this.audioBuffer_.appendWindowStart = start;\n          }\n        }\n      }); // this buffer is \"updating\" if either of its native buffers are\n\n      Object.defineProperty(_this, 'updating', {\n        get: function get$$1() {\n          return !!(this.bufferUpdating_ || !this.audioDisabled_ && this.audioBuffer_ && this.audioBuffer_.updating || this.videoBuffer_ && this.videoBuffer_.updating);\n        }\n      }); // the buffered property is the intersection of the buffered\n      // ranges of the native source buffers\n\n      Object.defineProperty(_this, 'buffered', {\n        get: function get$$1() {\n          return buffered(this.videoBuffer_, this.audioBuffer_, this.audioDisabled_);\n        }\n      });\n      return _this;\n    }\n    /**\n     * When we get a data event from the transmuxer\n     * we call this function and handle the data that\n     * was sent to us\n     *\n     * @private\n     * @param {Event} event the data event from the transmuxer\n     */\n\n\n    createClass$1(VirtualSourceBuffer, [{\n      key: 'data_',\n      value: function data_(event) {\n        var segment = event.data.segment; // Cast ArrayBuffer to TypedArray\n\n        segment.data = new Uint8Array(segment.data, event.data.byteOffset, event.data.byteLength);\n        segment.initSegment = new Uint8Array(segment.initSegment.data, segment.initSegment.byteOffset, segment.initSegment.byteLength);\n        createTextTracksIfNecessary(this, this.mediaSource_, segment); // Add the segments to the pendingBuffers array\n\n        this.pendingBuffers_.push(segment);\n        return;\n      }\n      /**\n       * When we get a done event from the transmuxer\n       * we call this function and we process all\n       * of the pending data that we have been saving in the\n       * data_ function\n       *\n       * @private\n       * @param {Event} event the done event from the transmuxer\n       */\n\n    }, {\n      key: 'done_',\n      value: function done_(event) {\n        // Don't process and append data if the mediaSource is closed\n        if (this.mediaSource_.readyState === 'closed') {\n          this.pendingBuffers_.length = 0;\n          return;\n        } // All buffers should have been flushed from the muxer\n        // start processing anything we have received\n\n\n        this.processPendingSegments_();\n        return;\n      }\n    }, {\n      key: 'videoSegmentTimingInfo_',\n      value: function videoSegmentTimingInfo_(timingInfo) {\n        var timingInfoInSeconds = {\n          start: {\n            decode: timingInfo.start.dts / ONE_SECOND_IN_TS$2,\n            presentation: timingInfo.start.pts / ONE_SECOND_IN_TS$2\n          },\n          end: {\n            decode: timingInfo.end.dts / ONE_SECOND_IN_TS$2,\n            presentation: timingInfo.end.pts / ONE_SECOND_IN_TS$2\n          },\n          baseMediaDecodeTime: timingInfo.baseMediaDecodeTime / ONE_SECOND_IN_TS$2\n        };\n\n        if (timingInfo.prependedContentDuration) {\n          timingInfoInSeconds.prependedContentDuration = timingInfo.prependedContentDuration / ONE_SECOND_IN_TS$2;\n        }\n\n        this.trigger({\n          type: 'videoSegmentTimingInfo',\n          videoSegmentTimingInfo: timingInfoInSeconds\n        });\n      }\n      /**\n       * Create our internal native audio/video source buffers and add\n       * event handlers to them with the following conditions:\n       * 1. they do not already exist on the mediaSource\n       * 2. this VSB has a codec for them\n       *\n       * @private\n       */\n\n    }, {\n      key: 'createRealSourceBuffers_',\n      value: function createRealSourceBuffers_() {\n        var _this2 = this;\n\n        var types = ['audio', 'video'];\n        types.forEach(function (type) {\n          // Don't create a SourceBuffer of this type if we don't have a\n          // codec for it\n          if (!_this2[type + 'Codec_']) {\n            return;\n          } // Do nothing if a SourceBuffer of this type already exists\n\n\n          if (_this2[type + 'Buffer_']) {\n            return;\n          }\n\n          var buffer = null; // If the mediasource already has a SourceBuffer for the codec\n          // use that\n\n          if (_this2.mediaSource_[type + 'Buffer_']) {\n            buffer = _this2.mediaSource_[type + 'Buffer_']; // In multiple audio track cases, the audio source buffer is disabled\n            // on the main VirtualSourceBuffer by the HTMLMediaSource much earlier\n            // than createRealSourceBuffers_ is called to create the second\n            // VirtualSourceBuffer because that happens as a side-effect of\n            // videojs-contrib-hls starting the audioSegmentLoader. As a result,\n            // the audioBuffer is essentially \"ownerless\" and no one will toggle\n            // the `updating` state back to false once the `updateend` event is received\n            //\n            // Setting `updating` to false manually will work around this\n            // situation and allow work to continue\n\n            buffer.updating = false;\n          } else {\n            var codecProperty = type + 'Codec_';\n            var mimeType = type + '/mp4;codecs=\"' + _this2[codecProperty] + '\"';\n            buffer = makeWrappedSourceBuffer(_this2.mediaSource_.nativeMediaSource_, mimeType);\n            _this2.mediaSource_[type + 'Buffer_'] = buffer;\n          }\n\n          _this2[type + 'Buffer_'] = buffer; // Wire up the events to the SourceBuffer\n\n          ['update', 'updatestart', 'updateend'].forEach(function (event) {\n            buffer.addEventListener(event, function () {\n              // if audio is disabled\n              if (type === 'audio' && _this2.audioDisabled_) {\n                return;\n              }\n\n              if (event === 'updateend') {\n                _this2[type + 'Buffer_'].updating = false;\n              }\n\n              var shouldTrigger = types.every(function (t) {\n                // skip checking audio's updating status if audio\n                // is not enabled\n                if (t === 'audio' && _this2.audioDisabled_) {\n                  return true;\n                } // if the other type is updating we don't trigger\n\n\n                if (type !== t && _this2[t + 'Buffer_'] && _this2[t + 'Buffer_'].updating) {\n                  return false;\n                }\n\n                return true;\n              });\n\n              if (shouldTrigger) {\n                return _this2.trigger(event);\n              }\n            });\n          });\n        });\n      }\n      /**\n       * Emulate the native mediasource function, but our function will\n       * send all of the proposed segments to the transmuxer so that we\n       * can transmux them before we append them to our internal\n       * native source buffers in the correct format.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/appendBuffer\n       * @param {Uint8Array} segment the segment to append to the buffer\n       */\n\n    }, {\n      key: 'appendBuffer',\n      value: function appendBuffer(segment) {\n        // Start the internal \"updating\" state\n        this.bufferUpdating_ = true;\n\n        if (this.audioBuffer_ && this.audioBuffer_.buffered.length) {\n          var audioBuffered = this.audioBuffer_.buffered;\n          this.transmuxer_.postMessage({\n            action: 'setAudioAppendStart',\n            appendStart: audioBuffered.end(audioBuffered.length - 1)\n          });\n        }\n\n        if (this.videoBuffer_) {\n          this.transmuxer_.postMessage({\n            action: 'alignGopsWith',\n            gopsToAlignWith: gopsSafeToAlignWith(this.gopBuffer_, this.mediaSource_.player_ ? this.mediaSource_.player_.currentTime() : null, this.timeMapping_)\n          });\n        }\n\n        this.transmuxer_.postMessage({\n          action: 'push',\n          // Send the typed-array of data as an ArrayBuffer so that\n          // it can be sent as a \"Transferable\" and avoid the costly\n          // memory copy\n          data: segment.buffer,\n          // To recreate the original typed-array, we need information\n          // about what portion of the ArrayBuffer it was a view into\n          byteOffset: segment.byteOffset,\n          byteLength: segment.byteLength\n        }, [segment.buffer]);\n        this.transmuxer_.postMessage({\n          action: 'flush'\n        });\n      }\n      /**\n       * Appends gop information (timing and byteLength) received by the transmuxer for the\n       * gops appended in the last call to appendBuffer\n       *\n       * @param {Event} event\n       *        The gopInfo event from the transmuxer\n       * @param {Array} event.data.gopInfo\n       *        List of gop info to append\n       */\n\n    }, {\n      key: 'appendGopInfo_',\n      value: function appendGopInfo_(event) {\n        this.gopBuffer_ = updateGopBuffer(this.gopBuffer_, event.data.gopInfo, this.safeAppend_);\n      }\n      /**\n       * Emulate the native mediasource function and remove parts\n       * of the buffer from any of our internal buffers that exist\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/remove\n       * @param {Double} start position to start the remove at\n       * @param {Double} end position to end the remove at\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        if (this.videoBuffer_) {\n          this.videoBuffer_.updating = true;\n          this.videoBuffer_.remove(start, end);\n          this.gopBuffer_ = removeGopBuffer(this.gopBuffer_, start, end, this.timeMapping_);\n        }\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.audioBuffer_.updating = true;\n          this.audioBuffer_.remove(start, end);\n        } // Remove Metadata Cues (id3)\n\n\n        removeCuesFromTrack(start, end, this.metadataTrack_); // Remove Any Captions\n\n        if (this.inbandTextTracks_) {\n          for (var track in this.inbandTextTracks_) {\n            removeCuesFromTrack(start, end, this.inbandTextTracks_[track]);\n          }\n        }\n      }\n      /**\n       * Process any segments that the muxer has output\n       * Concatenate segments together based on type and append them into\n       * their respective sourceBuffers\n       *\n       * @private\n       */\n\n    }, {\n      key: 'processPendingSegments_',\n      value: function processPendingSegments_() {\n        var sortedSegments = {\n          video: {\n            segments: [],\n            bytes: 0\n          },\n          audio: {\n            segments: [],\n            bytes: 0\n          },\n          captions: [],\n          metadata: []\n        };\n\n        if (!this.pendingBuffers_.length) {\n          // We are no longer in the internal \"updating\" state\n          this.trigger('updateend');\n          this.bufferUpdating_ = false;\n          return;\n        } // Sort segments into separate video/audio arrays and\n        // keep track of their total byte lengths\n\n\n        sortedSegments = this.pendingBuffers_.reduce(function (segmentObj, segment) {\n          var type = segment.type;\n          var data = segment.data;\n          var initSegment = segment.initSegment;\n          segmentObj[type].segments.push(data);\n          segmentObj[type].bytes += data.byteLength;\n          segmentObj[type].initSegment = initSegment; // Gather any captions into a single array\n\n          if (segment.captions) {\n            segmentObj.captions = segmentObj.captions.concat(segment.captions);\n          }\n\n          if (segment.info) {\n            segmentObj[type].info = segment.info;\n          } // Gather any metadata into a single array\n\n\n          if (segment.metadata) {\n            segmentObj.metadata = segmentObj.metadata.concat(segment.metadata);\n          }\n\n          return segmentObj;\n        }, sortedSegments); // Create the real source buffers if they don't exist by now since we\n        // finally are sure what tracks are contained in the source\n\n        if (!this.videoBuffer_ && !this.audioBuffer_) {\n          // Remove any codecs that may have been specified by default but\n          // are no longer applicable now\n          if (sortedSegments.video.bytes === 0) {\n            this.videoCodec_ = null;\n          }\n\n          if (sortedSegments.audio.bytes === 0) {\n            this.audioCodec_ = null;\n          }\n\n          this.createRealSourceBuffers_();\n        }\n\n        if (sortedSegments.audio.info) {\n          this.mediaSource_.trigger({\n            type: 'audioinfo',\n            info: sortedSegments.audio.info\n          });\n        }\n\n        if (sortedSegments.video.info) {\n          this.mediaSource_.trigger({\n            type: 'videoinfo',\n            info: sortedSegments.video.info\n          });\n        }\n\n        if (this.appendAudioInitSegment_) {\n          if (!this.audioDisabled_ && this.audioBuffer_) {\n            sortedSegments.audio.segments.unshift(sortedSegments.audio.initSegment);\n            sortedSegments.audio.bytes += sortedSegments.audio.initSegment.byteLength;\n          }\n\n          this.appendAudioInitSegment_ = false;\n        }\n\n        var triggerUpdateend = false; // Merge multiple video and audio segments into one and append\n\n        if (this.videoBuffer_ && sortedSegments.video.bytes) {\n          sortedSegments.video.segments.unshift(sortedSegments.video.initSegment);\n          sortedSegments.video.bytes += sortedSegments.video.initSegment.byteLength;\n          this.concatAndAppendSegments_(sortedSegments.video, this.videoBuffer_);\n        } else if (this.videoBuffer_ && (this.audioDisabled_ || !this.audioBuffer_)) {\n          // The transmuxer did not return any bytes of video, meaning it was all trimmed\n          // for gop alignment. Since we have a video buffer and audio is disabled, updateend\n          // will never be triggered by this source buffer, which will cause contrib-hls\n          // to be stuck forever waiting for updateend. If audio is not disabled, updateend\n          // will be triggered by the audio buffer, which will be sent upwards since the video\n          // buffer will not be in an updating state.\n          triggerUpdateend = true;\n        } // Add text-track data for all\n\n\n        addTextTrackData(this, sortedSegments.captions, sortedSegments.metadata);\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.concatAndAppendSegments_(sortedSegments.audio, this.audioBuffer_);\n        }\n\n        this.pendingBuffers_.length = 0;\n\n        if (triggerUpdateend) {\n          this.trigger('updateend');\n        } // We are no longer in the internal \"updating\" state\n\n\n        this.bufferUpdating_ = false;\n      }\n      /**\n       * Combine all segments into a single Uint8Array and then append them\n       * to the destination buffer\n       *\n       * @param {Object} segmentObj\n       * @param {SourceBuffer} destinationBuffer native source buffer to append data to\n       * @private\n       */\n\n    }, {\n      key: 'concatAndAppendSegments_',\n      value: function concatAndAppendSegments_(segmentObj, destinationBuffer) {\n        var offset = 0;\n        var tempBuffer = void 0;\n\n        if (segmentObj.bytes) {\n          tempBuffer = new Uint8Array(segmentObj.bytes); // Combine the individual segments into one large typed-array\n\n          segmentObj.segments.forEach(function (segment) {\n            tempBuffer.set(segment, offset);\n            offset += segment.byteLength;\n          });\n\n          try {\n            destinationBuffer.updating = true;\n            destinationBuffer.appendBuffer(tempBuffer);\n          } catch (error) {\n            if (this.mediaSource_.player_) {\n              this.mediaSource_.player_.error({\n                code: -3,\n                type: 'APPEND_BUFFER_ERR',\n                message: error.message,\n                originalError: error\n              });\n            }\n          }\n        }\n      }\n      /**\n       * Emulate the native mediasource function. abort any soureBuffer\n       * actions and throw out any un-appended data.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/abort\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort() {\n        if (this.videoBuffer_) {\n          this.videoBuffer_.abort();\n        }\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.audioBuffer_.abort();\n        }\n\n        if (this.transmuxer_) {\n          this.transmuxer_.postMessage({\n            action: 'reset'\n          });\n        }\n\n        this.pendingBuffers_.length = 0;\n        this.bufferUpdating_ = false;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n      }\n    }]);\n    return VirtualSourceBuffer;\n  }(videojs$1.EventTarget);\n  /**\n   * @file html-media-source.js\n   */\n\n  /**\n   * Our MediaSource implementation in HTML, mimics native\n   * MediaSource where/if possible.\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource\n   * @class HtmlMediaSource\n   * @extends videojs.EventTarget\n   */\n\n\n  var HtmlMediaSource = function (_videojs$EventTarget) {\n    inherits$2(HtmlMediaSource, _videojs$EventTarget);\n\n    function HtmlMediaSource() {\n      classCallCheck$1(this, HtmlMediaSource);\n\n      var _this = possibleConstructorReturn$1(this, (HtmlMediaSource.__proto__ || Object.getPrototypeOf(HtmlMediaSource)).call(this));\n\n      var property = void 0;\n      _this.nativeMediaSource_ = new window$3.MediaSource(); // delegate to the native MediaSource's methods by default\n\n      for (property in _this.nativeMediaSource_) {\n        if (!(property in HtmlMediaSource.prototype) && typeof _this.nativeMediaSource_[property] === 'function') {\n          _this[property] = _this.nativeMediaSource_[property].bind(_this.nativeMediaSource_);\n        }\n      } // emulate `duration` and `seekable` until seeking can be\n      // handled uniformly for live streams\n      // see https://github.com/w3c/media-source/issues/5\n\n\n      _this.duration_ = NaN;\n      Object.defineProperty(_this, 'duration', {\n        get: function get$$1() {\n          if (this.duration_ === Infinity) {\n            return this.duration_;\n          }\n\n          return this.nativeMediaSource_.duration;\n        },\n        set: function set$$1(duration) {\n          this.duration_ = duration;\n\n          if (duration !== Infinity) {\n            this.nativeMediaSource_.duration = duration;\n            return;\n          }\n        }\n      });\n      Object.defineProperty(_this, 'seekable', {\n        get: function get$$1() {\n          if (this.duration_ === Infinity) {\n            return videojs$1.createTimeRanges([[0, this.nativeMediaSource_.duration]]);\n          }\n\n          return this.nativeMediaSource_.seekable;\n        }\n      });\n      Object.defineProperty(_this, 'readyState', {\n        get: function get$$1() {\n          return this.nativeMediaSource_.readyState;\n        }\n      });\n      Object.defineProperty(_this, 'activeSourceBuffers', {\n        get: function get$$1() {\n          return this.activeSourceBuffers_;\n        }\n      }); // the list of virtual and native SourceBuffers created by this\n      // MediaSource\n\n      _this.sourceBuffers = [];\n      _this.activeSourceBuffers_ = [];\n      /**\n       * update the list of active source buffers based upon various\n       * imformation from HLS and video.js\n       *\n       * @private\n       */\n\n      _this.updateActiveSourceBuffers_ = function () {\n        // Retain the reference but empty the array\n        _this.activeSourceBuffers_.length = 0; // If there is only one source buffer, then it will always be active and audio will\n        // be disabled based on the codec of the source buffer\n\n        if (_this.sourceBuffers.length === 1) {\n          var sourceBuffer = _this.sourceBuffers[0];\n          sourceBuffer.appendAudioInitSegment_ = true;\n          sourceBuffer.audioDisabled_ = !sourceBuffer.audioCodec_;\n\n          _this.activeSourceBuffers_.push(sourceBuffer);\n\n          return;\n        } // There are 2 source buffers, a combined (possibly video only) source buffer and\n        // and an audio only source buffer.\n        // By default, the audio in the combined virtual source buffer is enabled\n        // and the audio-only source buffer (if it exists) is disabled.\n\n\n        var disableCombined = false;\n        var disableAudioOnly = true; // TODO: maybe we can store the sourcebuffers on the track objects?\n        // safari may do something like this\n\n        for (var i = 0; i < _this.player_.audioTracks().length; i++) {\n          var track = _this.player_.audioTracks()[i];\n\n          if (track.enabled && track.kind !== 'main') {\n            // The enabled track is an alternate audio track so disable the audio in\n            // the combined source buffer and enable the audio-only source buffer.\n            disableCombined = true;\n            disableAudioOnly = false;\n            break;\n          }\n        }\n\n        _this.sourceBuffers.forEach(function (sourceBuffer, index) {\n          /* eslinst-disable */\n          // TODO once codecs are required, we can switch to using the codecs to determine\n          //      what stream is the video stream, rather than relying on videoTracks\n\n          /* eslinst-enable */\n          sourceBuffer.appendAudioInitSegment_ = true;\n\n          if (sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {\n            // combined\n            sourceBuffer.audioDisabled_ = disableCombined;\n          } else if (sourceBuffer.videoCodec_ && !sourceBuffer.audioCodec_) {\n            // If the \"combined\" source buffer is video only, then we do not want\n            // disable the audio-only source buffer (this is mostly for demuxed\n            // audio and video hls)\n            sourceBuffer.audioDisabled_ = true;\n            disableAudioOnly = false;\n          } else if (!sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {\n            // audio only\n            // In the case of audio only with alternate audio and disableAudioOnly is true\n            // this means we want to disable the audio on the alternate audio sourcebuffer\n            // but not the main \"combined\" source buffer. The \"combined\" source buffer is\n            // always at index 0, so this ensures audio won't be disabled in both source\n            // buffers.\n            sourceBuffer.audioDisabled_ = index ? disableAudioOnly : !disableAudioOnly;\n\n            if (sourceBuffer.audioDisabled_) {\n              return;\n            }\n          }\n\n          _this.activeSourceBuffers_.push(sourceBuffer);\n        });\n      };\n\n      _this.onPlayerMediachange_ = function () {\n        _this.sourceBuffers.forEach(function (sourceBuffer) {\n          sourceBuffer.appendAudioInitSegment_ = true;\n        });\n      };\n\n      _this.onHlsReset_ = function () {\n        _this.sourceBuffers.forEach(function (sourceBuffer) {\n          if (sourceBuffer.transmuxer_) {\n            sourceBuffer.transmuxer_.postMessage({\n              action: 'resetCaptions'\n            });\n          }\n        });\n      };\n\n      _this.onHlsSegmentTimeMapping_ = function (event) {\n        _this.sourceBuffers.forEach(function (buffer) {\n          return buffer.timeMapping_ = event.mapping;\n        });\n      }; // Re-emit MediaSource events on the polyfill\n\n\n      ['sourceopen', 'sourceclose', 'sourceended'].forEach(function (eventName) {\n        this.nativeMediaSource_.addEventListener(eventName, this.trigger.bind(this));\n      }, _this); // capture the associated player when the MediaSource is\n      // successfully attached\n\n      _this.on('sourceopen', function (event) {\n        // Get the player this MediaSource is attached to\n        var video = document.querySelector('[src=\"' + _this.url_ + '\"]');\n\n        if (!video) {\n          return;\n        }\n\n        _this.player_ = videojs$1(video.parentNode);\n\n        if (!_this.player_) {\n          return;\n        } // hls-reset is fired by videojs.Hls on to the tech after the main SegmentLoader\n        // resets its state and flushes the buffer\n\n\n        _this.player_.tech_.on('hls-reset', _this.onHlsReset_); // hls-segment-time-mapping is fired by videojs.Hls on to the tech after the main\n        // SegmentLoader inspects an MTS segment and has an accurate stream to display\n        // time mapping\n\n\n        _this.player_.tech_.on('hls-segment-time-mapping', _this.onHlsSegmentTimeMapping_);\n\n        if (_this.player_.audioTracks && _this.player_.audioTracks()) {\n          _this.player_.audioTracks().on('change', _this.updateActiveSourceBuffers_);\n\n          _this.player_.audioTracks().on('addtrack', _this.updateActiveSourceBuffers_);\n\n          _this.player_.audioTracks().on('removetrack', _this.updateActiveSourceBuffers_);\n        }\n\n        _this.player_.on('mediachange', _this.onPlayerMediachange_);\n      });\n\n      _this.on('sourceended', function (event) {\n        var duration = durationOfVideo(_this.duration);\n\n        for (var i = 0; i < _this.sourceBuffers.length; i++) {\n          var sourcebuffer = _this.sourceBuffers[i];\n          var cues = sourcebuffer.metadataTrack_ && sourcebuffer.metadataTrack_.cues;\n\n          if (cues && cues.length) {\n            cues[cues.length - 1].endTime = duration;\n          }\n        }\n      }); // explicitly terminate any WebWorkers that were created\n      // by SourceHandlers\n\n\n      _this.on('sourceclose', function (event) {\n        this.sourceBuffers.forEach(function (sourceBuffer) {\n          if (sourceBuffer.transmuxer_) {\n            sourceBuffer.transmuxer_.terminate();\n          }\n        });\n        this.sourceBuffers.length = 0;\n\n        if (!this.player_) {\n          return;\n        }\n\n        if (this.player_.audioTracks && this.player_.audioTracks()) {\n          this.player_.audioTracks().off('change', this.updateActiveSourceBuffers_);\n          this.player_.audioTracks().off('addtrack', this.updateActiveSourceBuffers_);\n          this.player_.audioTracks().off('removetrack', this.updateActiveSourceBuffers_);\n        } // We can only change this if the player hasn't been disposed of yet\n        // because `off` eventually tries to use the el_ property. If it has\n        // been disposed of, then don't worry about it because there are no\n        // event handlers left to unbind anyway\n\n\n        if (this.player_.el_) {\n          this.player_.off('mediachange', this.onPlayerMediachange_);\n        }\n\n        if (this.player_.tech_ && this.player_.tech_.el_) {\n          this.player_.tech_.off('hls-reset', this.onHlsReset_);\n          this.player_.tech_.off('hls-segment-time-mapping', this.onHlsSegmentTimeMapping_);\n        }\n      });\n\n      return _this;\n    }\n    /**\n     * Add a range that that can now be seeked to.\n     *\n     * @param {Double} start where to start the addition\n     * @param {Double} end where to end the addition\n     * @private\n     */\n\n\n    createClass$1(HtmlMediaSource, [{\n      key: 'addSeekableRange_',\n      value: function addSeekableRange_(start, end) {\n        var error = void 0;\n\n        if (this.duration !== Infinity) {\n          error = new Error('MediaSource.addSeekableRange() can only be invoked ' + 'when the duration is Infinity');\n          error.name = 'InvalidStateError';\n          error.code = 11;\n          throw error;\n        }\n\n        if (end > this.nativeMediaSource_.duration || isNaN(this.nativeMediaSource_.duration)) {\n          this.nativeMediaSource_.duration = end;\n        }\n      }\n      /**\n       * Add a source buffer to the media source.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/addSourceBuffer\n       * @param {String} type the content-type of the content\n       * @return {Object} the created source buffer\n       */\n\n    }, {\n      key: 'addSourceBuffer',\n      value: function addSourceBuffer(type) {\n        var buffer = void 0;\n        var parsedType = parseContentType(type); // Create a VirtualSourceBuffer to transmux MPEG-2 transport\n        // stream segments into fragmented MP4s\n\n        if (/^(video|audio)\\/mp2t$/i.test(parsedType.type)) {\n          var codecs = [];\n\n          if (parsedType.parameters && parsedType.parameters.codecs) {\n            codecs = parsedType.parameters.codecs.split(',');\n            codecs = translateLegacyCodecs(codecs);\n            codecs = codecs.filter(function (codec) {\n              return isAudioCodec(codec) || isVideoCodec(codec);\n            });\n          }\n\n          if (codecs.length === 0) {\n            codecs = ['avc1.4d400d', 'mp4a.40.2'];\n          }\n\n          buffer = new VirtualSourceBuffer(this, codecs);\n\n          if (this.sourceBuffers.length !== 0) {\n            // If another VirtualSourceBuffer already exists, then we are creating a\n            // SourceBuffer for an alternate audio track and therefore we know that\n            // the source has both an audio and video track.\n            // That means we should trigger the manual creation of the real\n            // SourceBuffers instead of waiting for the transmuxer to return data\n            this.sourceBuffers[0].createRealSourceBuffers_();\n            buffer.createRealSourceBuffers_(); // Automatically disable the audio on the first source buffer if\n            // a second source buffer is ever created\n\n            this.sourceBuffers[0].audioDisabled_ = true;\n          }\n        } else {\n          // delegate to the native implementation\n          buffer = this.nativeMediaSource_.addSourceBuffer(type);\n        }\n\n        this.sourceBuffers.push(buffer);\n        return buffer;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n        this.sourceBuffers.forEach(function (buffer) {\n          if (buffer.dispose) {\n            buffer.dispose();\n          }\n        });\n        this.sourceBuffers.length = 0;\n      }\n    }]);\n    return HtmlMediaSource;\n  }(videojs$1.EventTarget);\n  /**\n   * @file videojs-contrib-media-sources.js\n   */\n\n\n  var urlCount = 0; // ------------\n  // Media Source\n  // ------------\n  // store references to the media sources so they can be connected\n  // to a video element (a swf object)\n  // TODO: can we store this somewhere local to this module?\n\n  videojs$1.mediaSources = {};\n  /**\n   * Provide a method for a swf object to notify JS that a\n   * media source is now open.\n   *\n   * @param {String} msObjectURL string referencing the MSE Object URL\n   * @param {String} swfId the swf id\n   */\n\n  var open = function open(msObjectURL, swfId) {\n    var mediaSource = videojs$1.mediaSources[msObjectURL];\n\n    if (mediaSource) {\n      mediaSource.trigger({\n        type: 'sourceopen',\n        swfId: swfId\n      });\n    } else {\n      throw new Error('Media Source not found (Video.js)');\n    }\n  };\n  /**\n   * Check to see if the native MediaSource object exists and supports\n   * an MP4 container with both H.264 video and AAC-LC audio.\n   *\n   * @return {Boolean} if  native media sources are supported\n   */\n\n\n  var supportsNativeMediaSources = function supportsNativeMediaSources() {\n    return !!window$3.MediaSource && !!window$3.MediaSource.isTypeSupported && window$3.MediaSource.isTypeSupported('video/mp4;codecs=\"avc1.4d400d,mp4a.40.2\"');\n  };\n  /**\n   * An emulation of the MediaSource API so that we can support\n   * native and non-native functionality. returns an instance of\n   * HtmlMediaSource.\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/MediaSource\n   */\n\n\n  var MediaSource = function MediaSource() {\n    this.MediaSource = {\n      open: open,\n      supportsNativeMediaSources: supportsNativeMediaSources\n    };\n\n    if (supportsNativeMediaSources()) {\n      return new HtmlMediaSource();\n    }\n\n    throw new Error('Cannot use create a virtual MediaSource for this video');\n  };\n\n  MediaSource.open = open;\n  MediaSource.supportsNativeMediaSources = supportsNativeMediaSources;\n  /**\n   * A wrapper around the native URL for our MSE object\n   * implementation, this object is exposed under videojs.URL\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/URL\n   */\n\n  var URL$1 = {\n    /**\n     * A wrapper around the native createObjectURL for our objects.\n     * This function maps a native or emulated mediaSource to a blob\n     * url so that it can be loaded into video.js\n     *\n     * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL\n     * @param {MediaSource} object the object to create a blob url to\n     */\n    createObjectURL: function createObjectURL(object) {\n      var objectUrlPrefix = 'blob:vjs-media-source/';\n      var url = void 0; // use the native MediaSource to generate an object URL\n\n      if (object instanceof HtmlMediaSource) {\n        url = window$3.URL.createObjectURL(object.nativeMediaSource_);\n        object.url_ = url;\n        return url;\n      } // if the object isn't an emulated MediaSource, delegate to the\n      // native implementation\n\n\n      if (!(object instanceof HtmlMediaSource)) {\n        url = window$3.URL.createObjectURL(object);\n        object.url_ = url;\n        return url;\n      } // build a URL that can be used to map back to the emulated\n      // MediaSource\n\n\n      url = objectUrlPrefix + urlCount;\n      urlCount++; // setup the mapping back to object\n\n      videojs$1.mediaSources[url] = object;\n      return url;\n    }\n  };\n  videojs$1.MediaSource = MediaSource;\n  videojs$1.URL = URL$1;\n  var EventTarget$1$1 = videojs$1.EventTarget,\n      mergeOptions$2 = videojs$1.mergeOptions;\n  /**\n   * Returns a new master manifest that is the result of merging an updated master manifest\n   * into the original version.\n   *\n   * @param {Object} oldMaster\n   *        The old parsed mpd object\n   * @param {Object} newMaster\n   *        The updated parsed mpd object\n   * @return {Object}\n   *         A new object representing the original master manifest with the updated media\n   *         playlists merged in\n   */\n\n  var updateMaster$1 = function updateMaster$$1(oldMaster, newMaster) {\n    var noChanges = void 0;\n    var update = mergeOptions$2(oldMaster, {\n      // These are top level properties that can be updated\n      duration: newMaster.duration,\n      minimumUpdatePeriod: newMaster.minimumUpdatePeriod\n    }); // First update the playlists in playlist list\n\n    for (var i = 0; i < newMaster.playlists.length; i++) {\n      var playlistUpdate = updateMaster(update, newMaster.playlists[i]);\n\n      if (playlistUpdate) {\n        update = playlistUpdate;\n      } else {\n        noChanges = true;\n      }\n    } // Then update media group playlists\n\n\n    forEachMediaGroup(newMaster, function (properties, type, group, label) {\n      if (properties.playlists && properties.playlists.length) {\n        var id = properties.playlists[0].id;\n\n        var _playlistUpdate = updateMaster(update, properties.playlists[0]);\n\n        if (_playlistUpdate) {\n          update = _playlistUpdate; // update the playlist reference within media groups\n\n          update.mediaGroups[type][group][label].playlists[0] = update.playlists[id];\n          noChanges = false;\n        }\n      }\n    });\n\n    if (noChanges) {\n      return null;\n    }\n\n    return update;\n  };\n\n  var generateSidxKey = function generateSidxKey(sidxInfo) {\n    // should be non-inclusive\n    var sidxByteRangeEnd = sidxInfo.byterange.offset + sidxInfo.byterange.length - 1;\n    return sidxInfo.uri + '-' + sidxInfo.byterange.offset + '-' + sidxByteRangeEnd;\n  }; // SIDX should be equivalent if the URI and byteranges of the SIDX match.\n  // If the SIDXs have maps, the two maps should match,\n  // both `a` and `b` missing SIDXs is considered matching.\n  // If `a` or `b` but not both have a map, they aren't matching.\n\n\n  var equivalentSidx = function equivalentSidx(a, b) {\n    var neitherMap = Boolean(!a.map && !b.map);\n    var equivalentMap = neitherMap || Boolean(a.map && b.map && a.map.byterange.offset === b.map.byterange.offset && a.map.byterange.length === b.map.byterange.length);\n    return equivalentMap && a.uri === b.uri && a.byterange.offset === b.byterange.offset && a.byterange.length === b.byterange.length;\n  }; // exported for testing\n\n\n  var compareSidxEntry = function compareSidxEntry(playlists, oldSidxMapping) {\n    var newSidxMapping = {};\n\n    for (var id in playlists) {\n      var playlist = playlists[id];\n      var currentSidxInfo = playlist.sidx;\n\n      if (currentSidxInfo) {\n        var key = generateSidxKey(currentSidxInfo);\n\n        if (!oldSidxMapping[key]) {\n          break;\n        }\n\n        var savedSidxInfo = oldSidxMapping[key].sidxInfo;\n\n        if (equivalentSidx(savedSidxInfo, currentSidxInfo)) {\n          newSidxMapping[key] = oldSidxMapping[key];\n        }\n      }\n    }\n\n    return newSidxMapping;\n  };\n  /**\n   *  A function that filters out changed items as they need to be requested separately.\n   *\n   *  The method is exported for testing\n   *\n   *  @param {Object} masterXml the mpd XML\n   *  @param {string} srcUrl the mpd url\n   *  @param {Date} clientOffset a time difference between server and client (passed through and not used)\n   *  @param {Object} oldSidxMapping the SIDX to compare against\n   */\n\n\n  var filterChangedSidxMappings = function filterChangedSidxMappings(masterXml, srcUrl, clientOffset, oldSidxMapping) {\n    // Don't pass current sidx mapping\n    var master = parse(masterXml, {\n      manifestUri: srcUrl,\n      clientOffset: clientOffset\n    });\n    var videoSidx = compareSidxEntry(master.playlists, oldSidxMapping);\n    var mediaGroupSidx = videoSidx;\n    forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {\n      if (properties.playlists && properties.playlists.length) {\n        var playlists = properties.playlists;\n        mediaGroupSidx = mergeOptions$2(mediaGroupSidx, compareSidxEntry(playlists, oldSidxMapping));\n      }\n    });\n    return mediaGroupSidx;\n  }; // exported for testing\n\n\n  var requestSidx_ = function requestSidx_(sidxRange, playlist, xhr, options, finishProcessingFn) {\n    var sidxInfo = {\n      // resolve the segment URL relative to the playlist\n      uri: resolveManifestRedirect(options.handleManifestRedirects, sidxRange.resolvedUri),\n      // resolvedUri: sidxRange.resolvedUri,\n      byterange: sidxRange.byterange,\n      // the segment's playlist\n      playlist: playlist\n    };\n    var sidxRequestOptions = videojs$1.mergeOptions(sidxInfo, {\n      responseType: 'arraybuffer',\n      headers: segmentXhrHeaders(sidxInfo)\n    });\n    return xhr(sidxRequestOptions, finishProcessingFn);\n  };\n\n  var DashPlaylistLoader = function (_EventTarget) {\n    inherits$2(DashPlaylistLoader, _EventTarget); // DashPlaylistLoader must accept either a src url or a playlist because subsequent\n    // playlist loader setups from media groups will expect to be able to pass a playlist\n    // (since there aren't external URLs to media playlists with DASH)\n\n    function DashPlaylistLoader(srcUrlOrPlaylist, hls) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      var masterPlaylistLoader = arguments[3];\n      classCallCheck$1(this, DashPlaylistLoader);\n\n      var _this = possibleConstructorReturn$1(this, (DashPlaylistLoader.__proto__ || Object.getPrototypeOf(DashPlaylistLoader)).call(this));\n\n      var _options$withCredenti = options.withCredentials,\n          withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,\n          _options$handleManife = options.handleManifestRedirects,\n          handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;\n      _this.hls_ = hls;\n      _this.withCredentials = withCredentials;\n      _this.handleManifestRedirects = handleManifestRedirects;\n\n      if (!srcUrlOrPlaylist) {\n        throw new Error('A non-empty playlist URL or playlist is required');\n      } // event naming?\n\n\n      _this.on('minimumUpdatePeriod', function () {\n        _this.refreshXml_();\n      }); // live playlist staleness timeout\n\n\n      _this.on('mediaupdatetimeout', function () {\n        _this.refreshMedia_(_this.media().id);\n      });\n\n      _this.state = 'HAVE_NOTHING';\n      _this.loadedPlaylists_ = {}; // initialize the loader state\n      // The masterPlaylistLoader will be created with a string\n\n      if (typeof srcUrlOrPlaylist === 'string') {\n        _this.srcUrl = srcUrlOrPlaylist; // TODO: reset sidxMapping between period changes\n        // once multi-period is refactored\n\n        _this.sidxMapping_ = {};\n        return possibleConstructorReturn$1(_this);\n      }\n\n      _this.setupChildLoader(masterPlaylistLoader, srcUrlOrPlaylist);\n\n      return _this;\n    }\n\n    createClass$1(DashPlaylistLoader, [{\n      key: 'setupChildLoader',\n      value: function setupChildLoader(masterPlaylistLoader, playlist) {\n        this.masterPlaylistLoader_ = masterPlaylistLoader;\n        this.childPlaylist_ = playlist;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.stopRequest();\n        this.loadedPlaylists_ = {};\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n        window$3.clearTimeout(this.mediaRequest_);\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        this.off();\n      }\n    }, {\n      key: 'hasPendingRequest',\n      value: function hasPendingRequest() {\n        return this.request || this.mediaRequest_;\n      }\n    }, {\n      key: 'stopRequest',\n      value: function stopRequest() {\n        if (this.request) {\n          var oldRequest = this.request;\n          this.request = null;\n          oldRequest.onreadystatechange = null;\n          oldRequest.abort();\n        }\n      }\n    }, {\n      key: 'sidxRequestFinished_',\n      value: function sidxRequestFinished_(playlist, master, startingState, doneFn) {\n        var _this2 = this;\n\n        return function (err, request) {\n          // disposed\n          if (!_this2.request) {\n            return;\n          } // pending request is cleared\n\n\n          _this2.request = null;\n\n          if (err) {\n            _this2.error = {\n              status: request.status,\n              message: 'DASH playlist request error at URL: ' + playlist.uri,\n              response: request.response,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (startingState) {\n              _this2.state = startingState;\n            }\n\n            _this2.trigger('error');\n\n            return doneFn(master, null);\n          }\n\n          var bytes = new Uint8Array(request.response);\n          var sidx = mp4Inspector.parseSidx(bytes.subarray(8));\n          return doneFn(master, sidx);\n        };\n      }\n    }, {\n      key: 'media',\n      value: function media(playlist) {\n        var _this3 = this; // getter\n\n\n        if (!playlist) {\n          return this.media_;\n        } // setter\n\n\n        if (this.state === 'HAVE_NOTHING') {\n          throw new Error('Cannot switch media playlist from ' + this.state);\n        }\n\n        var startingState = this.state; // find the playlist object if the target playlist has been specified by URI\n\n        if (typeof playlist === 'string') {\n          if (!this.master.playlists[playlist]) {\n            throw new Error('Unknown playlist URI: ' + playlist);\n          }\n\n          playlist = this.master.playlists[playlist];\n        }\n\n        var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to previously loaded playlists immediately\n\n        if (mediaChange && this.loadedPlaylists_[playlist.id] && this.loadedPlaylists_[playlist.id].endList) {\n          this.state = 'HAVE_METADATA';\n          this.media_ = playlist; // trigger media change if the active media has been updated\n\n          if (mediaChange) {\n            this.trigger('mediachanging');\n            this.trigger('mediachange');\n          }\n\n          return;\n        } // switching to the active playlist is a no-op\n\n\n        if (!mediaChange) {\n          return;\n        } // switching from an already loaded playlist\n\n\n        if (this.media_) {\n          this.trigger('mediachanging');\n        }\n\n        if (!playlist.sidx) {\n          // Continue asynchronously if there is no sidx\n          // wait one tick to allow haveMaster to run first on a child loader\n          this.mediaRequest_ = window$3.setTimeout(this.haveMetadata.bind(this, {\n            startingState: startingState,\n            playlist: playlist\n          }), 0); // exit early and don't do sidx work\n\n          return;\n        } // we have sidx mappings\n\n\n        var oldMaster = void 0;\n        var sidxMapping = void 0; // sidxMapping is used when parsing the masterXml, so store\n        // it on the masterPlaylistLoader\n\n        if (this.masterPlaylistLoader_) {\n          oldMaster = this.masterPlaylistLoader_.master;\n          sidxMapping = this.masterPlaylistLoader_.sidxMapping_;\n        } else {\n          oldMaster = this.master;\n          sidxMapping = this.sidxMapping_;\n        }\n\n        var sidxKey = generateSidxKey(playlist.sidx);\n        sidxMapping[sidxKey] = {\n          sidxInfo: playlist.sidx\n        };\n        this.request = requestSidx_(playlist.sidx, playlist, this.hls_.xhr, {\n          handleManifestRedirects: this.handleManifestRedirects\n        }, this.sidxRequestFinished_(playlist, oldMaster, startingState, function (newMaster, sidx) {\n          if (!newMaster || !sidx) {\n            throw new Error('failed to request sidx');\n          } // update loader's sidxMapping with parsed sidx box\n\n\n          sidxMapping[sidxKey].sidx = sidx; // everything is ready just continue to haveMetadata\n\n          _this3.haveMetadata({\n            startingState: startingState,\n            playlist: newMaster.playlists[playlist.id]\n          });\n        }));\n      }\n    }, {\n      key: 'haveMetadata',\n      value: function haveMetadata(_ref) {\n        var startingState = _ref.startingState,\n            playlist = _ref.playlist;\n        this.state = 'HAVE_METADATA';\n        this.loadedPlaylists_[playlist.id] = playlist;\n        this.mediaRequest_ = null; // This will trigger loadedplaylist\n\n        this.refreshMedia_(playlist.id); // fire loadedmetadata the first time a media playlist is loaded\n        // to resolve setup of media groups\n\n        if (startingState === 'HAVE_MASTER') {\n          this.trigger('loadedmetadata');\n        } else {\n          // trigger media change if the active media has been updated\n          this.trigger('mediachange');\n        }\n      }\n    }, {\n      key: 'pause',\n      value: function pause() {\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n\n        if (this.state === 'HAVE_NOTHING') {\n          // If we pause the loader before any data has been retrieved, its as if we never\n          // started, so reset to an unstarted state.\n          this.started = false;\n        }\n      }\n    }, {\n      key: 'load',\n      value: function load(isFinalRendition) {\n        var _this4 = this;\n\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n        var media = this.media();\n\n        if (isFinalRendition) {\n          var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            return _this4.load();\n          }, delay);\n          return;\n        } // because the playlists are internal to the manifest, load should either load the\n        // main manifest, or do nothing but trigger an event\n\n\n        if (!this.started) {\n          this.start();\n          return;\n        }\n\n        if (media && !media.endList) {\n          this.trigger('mediaupdatetimeout');\n        } else {\n          this.trigger('loadedplaylist');\n        }\n      }\n      /**\n       * Parses the master xml string and updates playlist uri references\n       *\n       * @return {Object}\n       *         The parsed mpd manifest object\n       */\n\n    }, {\n      key: 'parseMasterXml',\n      value: function parseMasterXml() {\n        var master = parse(this.masterXml_, {\n          manifestUri: this.srcUrl,\n          clientOffset: this.clientOffset_,\n          sidxMapping: this.sidxMapping_\n        });\n        master.uri = this.srcUrl; // Set up phony URIs for the playlists since we won't have external URIs for DASH\n        // but reference playlists by their URI throughout the project\n        // TODO: Should we create the dummy uris in mpd-parser as well (leaning towards yes).\n\n        for (var i = 0; i < master.playlists.length; i++) {\n          var phonyUri = 'placeholder-uri-' + i;\n          master.playlists[i].uri = phonyUri;\n        } // set up phony URIs for the media group playlists since we won't have external\n        // URIs for DASH but reference playlists by their URI throughout the project\n\n\n        forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {\n          if (properties.playlists && properties.playlists.length) {\n            var _phonyUri = 'placeholder-uri-' + mediaType + '-' + groupKey + '-' + labelKey;\n\n            var id = createPlaylistID(0, _phonyUri);\n            properties.playlists[0].uri = _phonyUri;\n            properties.playlists[0].id = id; // setup ID and URI references (URI for backwards compatibility)\n\n            master.playlists[id] = properties.playlists[0];\n            master.playlists[_phonyUri] = properties.playlists[0];\n          }\n        });\n        setupMediaPlaylists(master);\n        resolveMediaGroupUris(master);\n        return master;\n      }\n    }, {\n      key: 'start',\n      value: function start() {\n        var _this5 = this;\n\n        this.started = true; // We don't need to request the master manifest again\n        // Call this asynchronously to match the xhr request behavior below\n\n        if (this.masterPlaylistLoader_) {\n          this.mediaRequest_ = window$3.setTimeout(this.haveMaster_.bind(this), 0);\n          return;\n        } // request the specified URL\n\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this5.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this5.request = null;\n\n          if (error) {\n            _this5.error = {\n              status: req.status,\n              message: 'DASH playlist request error at URL: ' + _this5.srcUrl,\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this5.state === 'HAVE_NOTHING') {\n              _this5.started = false;\n            }\n\n            return _this5.trigger('error');\n          }\n\n          _this5.masterXml_ = req.responseText;\n\n          if (req.responseHeaders && req.responseHeaders.date) {\n            _this5.masterLoaded_ = Date.parse(req.responseHeaders.date);\n          } else {\n            _this5.masterLoaded_ = Date.now();\n          }\n\n          _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);\n\n          _this5.syncClientServerClock_(_this5.onClientServerClockSync_.bind(_this5));\n        });\n      }\n      /**\n       * Parses the master xml for UTCTiming node to sync the client clock to the server\n       * clock. If the UTCTiming node requires a HEAD or GET request, that request is made.\n       *\n       * @param {Function} done\n       *        Function to call when clock sync has completed\n       */\n\n    }, {\n      key: 'syncClientServerClock_',\n      value: function syncClientServerClock_(done) {\n        var _this6 = this;\n\n        var utcTiming = parseUTCTiming(this.masterXml_); // No UTCTiming element found in the mpd. Use Date header from mpd request as the\n        // server clock\n\n        if (utcTiming === null) {\n          this.clientOffset_ = this.masterLoaded_ - Date.now();\n          return done();\n        }\n\n        if (utcTiming.method === 'DIRECT') {\n          this.clientOffset_ = utcTiming.value - Date.now();\n          return done();\n        }\n\n        this.request = this.hls_.xhr({\n          uri: resolveUrl$1(this.srcUrl, utcTiming.value),\n          method: utcTiming.method,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this6.request) {\n            return;\n          }\n\n          if (error) {\n            // sync request failed, fall back to using date header from mpd\n            // TODO: log warning\n            _this6.clientOffset_ = _this6.masterLoaded_ - Date.now();\n            return done();\n          }\n\n          var serverTime = void 0;\n\n          if (utcTiming.method === 'HEAD') {\n            if (!req.responseHeaders || !req.responseHeaders.date) {\n              // expected date header not preset, fall back to using date header from mpd\n              // TODO: log warning\n              serverTime = _this6.masterLoaded_;\n            } else {\n              serverTime = Date.parse(req.responseHeaders.date);\n            }\n          } else {\n            serverTime = Date.parse(req.responseText);\n          }\n\n          _this6.clientOffset_ = serverTime - Date.now();\n          done();\n        });\n      }\n    }, {\n      key: 'haveMaster_',\n      value: function haveMaster_() {\n        this.state = 'HAVE_MASTER'; // clear media request\n\n        this.mediaRequest_ = null;\n\n        if (!this.masterPlaylistLoader_) {\n          this.master = this.parseMasterXml(); // We have the master playlist at this point, so\n          // trigger this to allow MasterPlaylistController\n          // to make an initial playlist selection\n\n          this.trigger('loadedplaylist');\n        } else if (!this.media_) {\n          // no media playlist was specifically selected so select\n          // the one the child playlist loader was created with\n          this.media(this.childPlaylist_);\n        }\n      }\n      /**\n       * Handler for after client/server clock synchronization has happened. Sets up\n       * xml refresh timer if specificed by the manifest.\n       */\n\n    }, {\n      key: 'onClientServerClockSync_',\n      value: function onClientServerClockSync_() {\n        var _this7 = this;\n\n        this.haveMaster_();\n\n        if (!this.hasPendingRequest() && !this.media_) {\n          this.media(this.master.playlists[0]);\n        } // TODO: minimumUpdatePeriod can have a value of 0. Currently the manifest will not\n        // be refreshed when this is the case. The inter-op guide says that when the\n        // minimumUpdatePeriod is 0, the manifest should outline all currently available\n        // segments, but future segments may require an update. I think a good solution\n        // would be to update the manifest at the same rate that the media playlists\n        // are \"refreshed\", i.e. every targetDuration.\n\n\n        if (this.master && this.master.minimumUpdatePeriod) {\n          this.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n            _this7.trigger('minimumUpdatePeriod');\n          }, this.master.minimumUpdatePeriod);\n        }\n      }\n      /**\n       * Sends request to refresh the master xml and updates the parsed master manifest\n       * TODO: Does the client offset need to be recalculated when the xml is refreshed?\n       */\n\n    }, {\n      key: 'refreshXml_',\n      value: function refreshXml_() {\n        var _this8 = this; // The srcUrl here *may* need to pass through handleManifestsRedirects when\n        // sidx is implemented\n\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this8.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this8.request = null;\n\n          if (error) {\n            _this8.error = {\n              status: req.status,\n              message: 'DASH playlist request error at URL: ' + _this8.srcUrl,\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this8.state === 'HAVE_NOTHING') {\n              _this8.started = false;\n            }\n\n            return _this8.trigger('error');\n          }\n\n          _this8.masterXml_ = req.responseText; // This will filter out updated sidx info from the mapping\n\n          _this8.sidxMapping_ = filterChangedSidxMappings(_this8.masterXml_, _this8.srcUrl, _this8.clientOffset_, _this8.sidxMapping_);\n\n          var master = _this8.parseMasterXml();\n\n          var updatedMaster = updateMaster$1(_this8.master, master);\n\n          var currentSidxInfo = _this8.media().sidx;\n\n          if (updatedMaster) {\n            if (currentSidxInfo) {\n              var sidxKey = generateSidxKey(currentSidxInfo); // the sidx was updated, so the previous mapping was removed\n\n              if (!_this8.sidxMapping_[sidxKey]) {\n                var playlist = _this8.media();\n\n                _this8.request = requestSidx_(playlist.sidx, playlist, _this8.hls_.xhr, {\n                  handleManifestRedirects: _this8.handleManifestRedirects\n                }, _this8.sidxRequestFinished_(playlist, master, _this8.state, function (newMaster, sidx) {\n                  if (!newMaster || !sidx) {\n                    throw new Error('failed to request sidx on minimumUpdatePeriod');\n                  } // update loader's sidxMapping with parsed sidx box\n\n\n                  _this8.sidxMapping_[sidxKey].sidx = sidx;\n                  _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n                    _this8.trigger('minimumUpdatePeriod');\n                  }, _this8.master.minimumUpdatePeriod); // TODO: do we need to reload the current playlist?\n\n                  _this8.refreshMedia_(_this8.media().id);\n\n                  return;\n                }));\n              }\n            } else {\n              _this8.master = updatedMaster;\n            }\n          }\n\n          _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n            _this8.trigger('minimumUpdatePeriod');\n          }, _this8.master.minimumUpdatePeriod);\n        });\n      }\n      /**\n       * Refreshes the media playlist by re-parsing the master xml and updating playlist\n       * references. If this is an alternate loader, the updated parsed manifest is retrieved\n       * from the master loader.\n       */\n\n    }, {\n      key: 'refreshMedia_',\n      value: function refreshMedia_(mediaID) {\n        var _this9 = this;\n\n        if (!mediaID) {\n          throw new Error('refreshMedia_ must take a media id');\n        }\n\n        var oldMaster = void 0;\n        var newMaster = void 0;\n\n        if (this.masterPlaylistLoader_) {\n          oldMaster = this.masterPlaylistLoader_.master;\n          newMaster = this.masterPlaylistLoader_.parseMasterXml();\n        } else {\n          oldMaster = this.master;\n          newMaster = this.parseMasterXml();\n        }\n\n        var updatedMaster = updateMaster$1(oldMaster, newMaster);\n\n        if (updatedMaster) {\n          if (this.masterPlaylistLoader_) {\n            this.masterPlaylistLoader_.master = updatedMaster;\n          } else {\n            this.master = updatedMaster;\n          }\n\n          this.media_ = updatedMaster.playlists[mediaID];\n        } else {\n          this.media_ = newMaster.playlists[mediaID];\n          this.trigger('playlistunchanged');\n        }\n\n        if (!this.media().endList) {\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            _this9.trigger('mediaupdatetimeout');\n          }, refreshDelay(this.media(), !!updatedMaster));\n        }\n\n        this.trigger('loadedplaylist');\n      }\n    }]);\n    return DashPlaylistLoader;\n  }(EventTarget$1$1);\n\n  var logger = function logger(source) {\n    if (videojs$1.log.debug) {\n      return videojs$1.log.debug.bind(videojs$1, 'VHS:', source + ' >');\n    }\n\n    return function () {};\n  };\n\n  function noop$1() {}\n  /**\n   * @file source-updater.js\n   */\n\n  /**\n   * A queue of callbacks to be serialized and applied when a\n   * MediaSource and its associated SourceBuffers are not in the\n   * updating state. It is used by the segment loader to update the\n   * underlying SourceBuffers when new data is loaded, for instance.\n   *\n   * @class SourceUpdater\n   * @param {MediaSource} mediaSource the MediaSource to create the\n   * SourceBuffer from\n   * @param {String} mimeType the desired MIME type of the underlying\n   * SourceBuffer\n   * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer is\n   * added to the media source\n   */\n\n\n  var SourceUpdater = function () {\n    function SourceUpdater(mediaSource, mimeType, type, sourceBufferEmitter) {\n      classCallCheck$1(this, SourceUpdater);\n      this.callbacks_ = [];\n      this.pendingCallback_ = null;\n      this.timestampOffset_ = 0;\n      this.mediaSource = mediaSource;\n      this.processedAppend_ = false;\n      this.type_ = type;\n      this.mimeType_ = mimeType;\n      this.logger_ = logger('SourceUpdater[' + type + '][' + mimeType + ']');\n\n      if (mediaSource.readyState === 'closed') {\n        mediaSource.addEventListener('sourceopen', this.createSourceBuffer_.bind(this, mimeType, sourceBufferEmitter));\n      } else {\n        this.createSourceBuffer_(mimeType, sourceBufferEmitter);\n      }\n    }\n\n    createClass$1(SourceUpdater, [{\n      key: 'createSourceBuffer_',\n      value: function createSourceBuffer_(mimeType, sourceBufferEmitter) {\n        var _this = this;\n\n        this.sourceBuffer_ = this.mediaSource.addSourceBuffer(mimeType);\n        this.logger_('created SourceBuffer');\n\n        if (sourceBufferEmitter) {\n          sourceBufferEmitter.trigger('sourcebufferadded');\n\n          if (this.mediaSource.sourceBuffers.length < 2) {\n            // There's another source buffer we must wait for before we can start updating\n            // our own (or else we can get into a bad state, i.e., appending video/audio data\n            // before the other video/audio source buffer is available and leading to a video\n            // or audio only buffer).\n            sourceBufferEmitter.on('sourcebufferadded', function () {\n              _this.start_();\n            });\n            return;\n          }\n        }\n\n        this.start_();\n      }\n    }, {\n      key: 'start_',\n      value: function start_() {\n        var _this2 = this;\n\n        this.started_ = true; // run completion handlers and process callbacks as updateend\n        // events fire\n\n        this.onUpdateendCallback_ = function () {\n          var pendingCallback = _this2.pendingCallback_;\n          _this2.pendingCallback_ = null;\n          _this2.sourceBuffer_.removing = false;\n\n          _this2.logger_('buffered [' + printableRange(_this2.buffered()) + ']');\n\n          if (pendingCallback) {\n            pendingCallback();\n          }\n\n          _this2.runCallback_();\n        };\n\n        this.sourceBuffer_.addEventListener('updateend', this.onUpdateendCallback_);\n        this.runCallback_();\n      }\n      /**\n       * Aborts the current segment and resets the segment parser.\n       *\n       * @param {Function} done function to call when done\n       * @see http://w3c.github.io/media-source/#widl-SourceBuffer-abort-void\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort(done) {\n        var _this3 = this;\n\n        if (this.processedAppend_) {\n          this.queueCallback_(function () {\n            _this3.sourceBuffer_.abort();\n          }, done);\n        }\n      }\n      /**\n       * Queue an update to append an ArrayBuffer.\n       *\n       * @param {ArrayBuffer} bytes\n       * @param {Function} done the function to call when done\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-appendBuffer-void-ArrayBuffer-data\n       */\n\n    }, {\n      key: 'appendBuffer',\n      value: function appendBuffer(config, done) {\n        var _this4 = this;\n\n        this.processedAppend_ = true;\n        this.queueCallback_(function () {\n          if (config.videoSegmentTimingInfoCallback) {\n            _this4.sourceBuffer_.addEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);\n          }\n\n          _this4.sourceBuffer_.appendBuffer(config.bytes);\n        }, function () {\n          if (config.videoSegmentTimingInfoCallback) {\n            _this4.sourceBuffer_.removeEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);\n          }\n\n          done();\n        });\n      }\n      /**\n       * Indicates what TimeRanges are buffered in the managed SourceBuffer.\n       *\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-buffered\n       */\n\n    }, {\n      key: 'buffered',\n      value: function buffered() {\n        if (!this.sourceBuffer_) {\n          return videojs$1.createTimeRanges();\n        }\n\n        return this.sourceBuffer_.buffered;\n      }\n      /**\n       * Queue an update to remove a time range from the buffer.\n       *\n       * @param {Number} start where to start the removal\n       * @param {Number} end where to end the removal\n       * @param {Function} [done=noop] optional callback to be executed when the remove\n       * operation is complete\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-remove-void-double-start-unrestricted-double-end\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        var _this5 = this;\n\n        var done = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop$1;\n\n        if (this.processedAppend_) {\n          this.queueCallback_(function () {\n            _this5.logger_('remove [' + start + ' => ' + end + ']');\n\n            _this5.sourceBuffer_.removing = true;\n\n            _this5.sourceBuffer_.remove(start, end);\n          }, done);\n        }\n      }\n      /**\n       * Whether the underlying sourceBuffer is updating or not\n       *\n       * @return {Boolean} the updating status of the SourceBuffer\n       */\n\n    }, {\n      key: 'updating',\n      value: function updating() {\n        // we are updating if the sourcebuffer is updating or\n        return !this.sourceBuffer_ || this.sourceBuffer_.updating || // if we have a pending callback that is not our internal noop\n        !!this.pendingCallback_ && this.pendingCallback_ !== noop$1;\n      }\n      /**\n       * Set/get the timestampoffset on the SourceBuffer\n       *\n       * @return {Number} the timestamp offset\n       */\n\n    }, {\n      key: 'timestampOffset',\n      value: function timestampOffset(offset) {\n        var _this6 = this;\n\n        if (typeof offset !== 'undefined') {\n          this.queueCallback_(function () {\n            _this6.sourceBuffer_.timestampOffset = offset;\n\n            _this6.runCallback_();\n          });\n          this.timestampOffset_ = offset;\n        }\n\n        return this.timestampOffset_;\n      }\n      /**\n       * Queue a callback to run\n       */\n\n    }, {\n      key: 'queueCallback_',\n      value: function queueCallback_(callback, done) {\n        this.callbacks_.push([callback.bind(this), done]);\n        this.runCallback_();\n      }\n      /**\n       * Run a queued callback\n       */\n\n    }, {\n      key: 'runCallback_',\n      value: function runCallback_() {\n        var callbacks = void 0;\n\n        if (!this.updating() && this.callbacks_.length && this.started_) {\n          callbacks = this.callbacks_.shift();\n          this.pendingCallback_ = callbacks[1];\n          callbacks[0]();\n        }\n      }\n      /**\n       * dispose of the source updater and the underlying sourceBuffer\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        var _this7 = this;\n\n        var disposeFn = function disposeFn() {\n          if (_this7.sourceBuffer_ && _this7.mediaSource.readyState === 'open') {\n            _this7.sourceBuffer_.abort();\n          }\n\n          _this7.sourceBuffer_.removeEventListener('updateend', disposeFn);\n        };\n\n        this.sourceBuffer_.removeEventListener('updateend', this.onUpdateendCallback_);\n\n        if (this.sourceBuffer_.removing) {\n          this.sourceBuffer_.addEventListener('updateend', disposeFn);\n        } else {\n          disposeFn();\n        }\n      }\n    }]);\n    return SourceUpdater;\n  }();\n\n  var Config = {\n    GOAL_BUFFER_LENGTH: 30,\n    MAX_GOAL_BUFFER_LENGTH: 60,\n    GOAL_BUFFER_LENGTH_RATE: 1,\n    // 0.5 MB/s\n    INITIAL_BANDWIDTH: 4194304,\n    // A fudge factor to apply to advertised playlist bitrates to account for\n    // temporary flucations in client bandwidth\n    BANDWIDTH_VARIANCE: 1.2,\n    // How much of the buffer must be filled before we consider upswitching\n    BUFFER_LOW_WATER_LINE: 0,\n    MAX_BUFFER_LOW_WATER_LINE: 30,\n    BUFFER_LOW_WATER_LINE_RATE: 1\n  };\n  var REQUEST_ERRORS = {\n    FAILURE: 2,\n    TIMEOUT: -101,\n    ABORTED: -102\n  };\n  /**\n   * Abort all requests\n   *\n   * @param {Object} activeXhrs - an object that tracks all XHR requests\n   */\n\n  var abortAll = function abortAll(activeXhrs) {\n    activeXhrs.forEach(function (xhr) {\n      xhr.abort();\n    });\n  };\n  /**\n   * Gather important bandwidth stats once a request has completed\n   *\n   * @param {Object} request - the XHR request from which to gather stats\n   */\n\n\n  var getRequestStats = function getRequestStats(request) {\n    return {\n      bandwidth: request.bandwidth,\n      bytesReceived: request.bytesReceived || 0,\n      roundTripTime: request.roundTripTime || 0\n    };\n  };\n  /**\n   * If possible gather bandwidth stats as a request is in\n   * progress\n   *\n   * @param {Event} progressEvent - an event object from an XHR's progress event\n   */\n\n\n  var getProgressStats = function getProgressStats(progressEvent) {\n    var request = progressEvent.target;\n    var roundTripTime = Date.now() - request.requestTime;\n    var stats = {\n      bandwidth: Infinity,\n      bytesReceived: 0,\n      roundTripTime: roundTripTime || 0\n    };\n    stats.bytesReceived = progressEvent.loaded; // This can result in Infinity if stats.roundTripTime is 0 but that is ok\n    // because we should only use bandwidth stats on progress to determine when\n    // abort a request early due to insufficient bandwidth\n\n    stats.bandwidth = Math.floor(stats.bytesReceived / stats.roundTripTime * 8 * 1000);\n    return stats;\n  };\n  /**\n   * Handle all error conditions in one place and return an object\n   * with all the information\n   *\n   * @param {Error|null} error - if non-null signals an error occured with the XHR\n   * @param {Object} request -  the XHR request that possibly generated the error\n   */\n\n\n  var handleErrors = function handleErrors(error, request) {\n    if (request.timedout) {\n      return {\n        status: request.status,\n        message: 'HLS request timed-out at URL: ' + request.uri,\n        code: REQUEST_ERRORS.TIMEOUT,\n        xhr: request\n      };\n    }\n\n    if (request.aborted) {\n      return {\n        status: request.status,\n        message: 'HLS request aborted at URL: ' + request.uri,\n        code: REQUEST_ERRORS.ABORTED,\n        xhr: request\n      };\n    }\n\n    if (error) {\n      return {\n        status: request.status,\n        message: 'HLS request errored at URL: ' + request.uri,\n        code: REQUEST_ERRORS.FAILURE,\n        xhr: request\n      };\n    }\n\n    return null;\n  };\n  /**\n   * Handle responses for key data and convert the key data to the correct format\n   * for the decryption step later\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleKeyResponse = function handleKeyResponse(segment, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      }\n\n      if (response.byteLength !== 16) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Invalid HLS key at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      var view = new DataView(response);\n      segment.key.bytes = new Uint32Array([view.getUint32(0), view.getUint32(4), view.getUint32(8), view.getUint32(12)]);\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Handle init-segment responses\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleInitSegmentResponse = function handleInitSegmentResponse(segment, captionParser, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      } // stop processing if received empty content\n\n\n      if (response.byteLength === 0) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Empty HLS segment content at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      segment.map.bytes = new Uint8Array(request.response); // Initialize CaptionParser if it hasn't been yet\n\n      if (captionParser && !captionParser.isInitialized()) {\n        captionParser.init();\n      }\n\n      segment.map.timescales = probe.timescale(segment.map.bytes);\n      segment.map.videoTrackIds = probe.videoTrackIds(segment.map.bytes);\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Response handler for segment-requests being sure to set the correct\n   * property depending on whether the segment is encryped or not\n   * Also records and keeps track of stats that are used for ABR purposes\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleSegmentResponse = function handleSegmentResponse(segment, captionParser, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n      var parsed = void 0;\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      } // stop processing if received empty content\n\n\n      if (response.byteLength === 0) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Empty HLS segment content at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      segment.stats = getRequestStats(request);\n\n      if (segment.key) {\n        segment.encryptedBytes = new Uint8Array(request.response);\n      } else {\n        segment.bytes = new Uint8Array(request.response);\n      } // This is likely an FMP4 and has the init segment.\n      // Run through the CaptionParser in case there are captions.\n\n\n      if (captionParser && segment.map && segment.map.bytes) {\n        // Initialize CaptionParser if it hasn't been yet\n        if (!captionParser.isInitialized()) {\n          captionParser.init();\n        }\n\n        parsed = captionParser.parse(segment.bytes, segment.map.videoTrackIds, segment.map.timescales);\n\n        if (parsed && parsed.captions) {\n          segment.captionStreams = parsed.captionStreams;\n          segment.fmp4Captions = parsed.captions;\n        }\n      }\n\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Decrypt the segment via the decryption web worker\n   *\n   * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} doneFn - a callback that is executed after decryption has completed\n   */\n\n\n  var decryptSegment = function decryptSegment(decrypter, segment, doneFn) {\n    var decryptionHandler = function decryptionHandler(event) {\n      if (event.data.source === segment.requestId) {\n        decrypter.removeEventListener('message', decryptionHandler);\n        var decrypted = event.data.decrypted;\n        segment.bytes = new Uint8Array(decrypted.bytes, decrypted.byteOffset, decrypted.byteLength);\n        return doneFn(null, segment);\n      }\n    };\n\n    decrypter.addEventListener('message', decryptionHandler);\n    var keyBytes = void 0;\n\n    if (segment.key.bytes.slice) {\n      keyBytes = segment.key.bytes.slice();\n    } else {\n      keyBytes = new Uint32Array(Array.prototype.slice.call(segment.key.bytes));\n    } // this is an encrypted segment\n    // incrementally decrypt the segment\n\n\n    decrypter.postMessage(createTransferableMessage({\n      source: segment.requestId,\n      encrypted: segment.encryptedBytes,\n      key: keyBytes,\n      iv: segment.key.iv\n    }), [segment.encryptedBytes.buffer, keyBytes.buffer]);\n  };\n  /**\n   * This function waits for all XHRs to finish (with either success or failure)\n   * before continueing processing via it's callback. The function gathers errors\n   * from each request into a single errors array so that the error status for\n   * each request can be examined later.\n   *\n   * @param {Object} activeXhrs - an object that tracks all XHR requests\n   * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines\n   * @param {Function} doneFn - a callback that is executed after all resources have been\n   *                            downloaded and any decryption completed\n   */\n\n\n  var waitForCompletion = function waitForCompletion(activeXhrs, decrypter, doneFn) {\n    var count = 0;\n    var didError = false;\n    return function (error, segment) {\n      if (didError) {\n        return;\n      }\n\n      if (error) {\n        didError = true; // If there are errors, we have to abort any outstanding requests\n\n        abortAll(activeXhrs); // Even though the requests above are aborted, and in theory we could wait until we\n        // handle the aborted events from those requests, there are some cases where we may\n        // never get an aborted event. For instance, if the network connection is lost and\n        // there were two requests, the first may have triggered an error immediately, while\n        // the second request remains unsent. In that case, the aborted algorithm will not\n        // trigger an abort: see https://xhr.spec.whatwg.org/#the-abort()-method\n        //\n        // We also can't rely on the ready state of the XHR, since the request that\n        // triggered the connection error may also show as a ready state of 0 (unsent).\n        // Therefore, we have to finish this group of requests immediately after the first\n        // seen error.\n\n        return doneFn(error, segment);\n      }\n\n      count += 1;\n\n      if (count === activeXhrs.length) {\n        // Keep track of when *all* of the requests have completed\n        segment.endOfAllRequests = Date.now();\n\n        if (segment.encryptedBytes) {\n          return decryptSegment(decrypter, segment, doneFn);\n        } // Otherwise, everything is ready just continue\n\n\n        return doneFn(null, segment);\n      }\n    };\n  };\n  /**\n   * Simple progress event callback handler that gathers some stats before\n   * executing a provided callback with the `segment` object\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} progressFn - a callback that is executed each time a progress event\n   *                                is received\n   * @param {Event} event - the progress event object from XMLHttpRequest\n   */\n\n\n  var handleProgress = function handleProgress(segment, progressFn) {\n    return function (event) {\n      segment.stats = videojs$1.mergeOptions(segment.stats, getProgressStats(event)); // record the time that we receive the first byte of data\n\n      if (!segment.stats.firstBytesReceivedAt && segment.stats.bytesReceived) {\n        segment.stats.firstBytesReceivedAt = Date.now();\n      }\n\n      return progressFn(event, segment);\n    };\n  };\n  /**\n   * Load all resources and does any processing necessary for a media-segment\n   *\n   * Features:\n   *   decrypts the media-segment if it has a key uri and an iv\n   *   aborts *all* requests if *any* one request fails\n   *\n   * The segment object, at minimum, has the following format:\n   * {\n   *   resolvedUri: String,\n   *   [byterange]: {\n   *     offset: Number,\n   *     length: Number\n   *   },\n   *   [key]: {\n   *     resolvedUri: String\n   *     [byterange]: {\n   *       offset: Number,\n   *       length: Number\n   *     },\n   *     iv: {\n   *       bytes: Uint32Array\n   *     }\n   *   },\n   *   [map]: {\n   *     resolvedUri: String,\n   *     [byterange]: {\n   *       offset: Number,\n   *       length: Number\n   *     },\n   *     [bytes]: Uint8Array\n   *   }\n   * }\n   * ...where [name] denotes optional properties\n   *\n   * @param {Function} xhr - an instance of the xhr wrapper in xhr.js\n   * @param {Object} xhrOptions - the base options to provide to all xhr requests\n   * @param {WebWorker} decryptionWorker - a WebWorker interface to AES-128\n   *                                       decryption routines\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} progressFn - a callback that receives progress events from the main\n   *                                segment's xhr request\n   * @param {Function} doneFn - a callback that is executed only once all requests have\n   *                            succeeded or failed\n   * @returns {Function} a function that, when invoked, immediately aborts all\n   *                     outstanding requests\n   */\n\n\n  var mediaSegmentRequest = function mediaSegmentRequest(xhr, xhrOptions, decryptionWorker, captionParser, segment, progressFn, doneFn) {\n    var activeXhrs = [];\n    var finishProcessingFn = waitForCompletion(activeXhrs, decryptionWorker, doneFn); // optionally, request the decryption key\n\n    if (segment.key && !segment.key.bytes) {\n      var keyRequestOptions = videojs$1.mergeOptions(xhrOptions, {\n        uri: segment.key.resolvedUri,\n        responseType: 'arraybuffer'\n      });\n      var keyRequestCallback = handleKeyResponse(segment, finishProcessingFn);\n      var keyXhr = xhr(keyRequestOptions, keyRequestCallback);\n      activeXhrs.push(keyXhr);\n    } // optionally, request the associated media init segment\n\n\n    if (segment.map && !segment.map.bytes) {\n      var initSegmentOptions = videojs$1.mergeOptions(xhrOptions, {\n        uri: segment.map.resolvedUri,\n        responseType: 'arraybuffer',\n        headers: segmentXhrHeaders(segment.map)\n      });\n      var initSegmentRequestCallback = handleInitSegmentResponse(segment, captionParser, finishProcessingFn);\n      var initSegmentXhr = xhr(initSegmentOptions, initSegmentRequestCallback);\n      activeXhrs.push(initSegmentXhr);\n    }\n\n    var segmentRequestOptions = videojs$1.mergeOptions(xhrOptions, {\n      uri: segment.resolvedUri,\n      responseType: 'arraybuffer',\n      headers: segmentXhrHeaders(segment)\n    });\n    var segmentRequestCallback = handleSegmentResponse(segment, captionParser, finishProcessingFn);\n    var segmentXhr = xhr(segmentRequestOptions, segmentRequestCallback);\n    segmentXhr.addEventListener('progress', handleProgress(segment, progressFn));\n    activeXhrs.push(segmentXhr);\n    return function () {\n      return abortAll(activeXhrs);\n    };\n  }; // Utilities\n\n  /**\n   * Returns the CSS value for the specified property on an element\n   * using `getComputedStyle`. Firefox has a long-standing issue where\n   * getComputedStyle() may return null when running in an iframe with\n   * `display: none`.\n   *\n   * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n   * @param {HTMLElement} el the htmlelement to work on\n   * @param {string} the proprety to get the style for\n   */\n\n\n  var safeGetComputedStyle = function safeGetComputedStyle(el, property) {\n    var result = void 0;\n\n    if (!el) {\n      return '';\n    }\n\n    result = window$3.getComputedStyle(el);\n\n    if (!result) {\n      return '';\n    }\n\n    return result[property];\n  };\n  /**\n   * Resuable stable sort function\n   *\n   * @param {Playlists} array\n   * @param {Function} sortFn Different comparators\n   * @function stableSort\n   */\n\n\n  var stableSort = function stableSort(array, sortFn) {\n    var newArray = array.slice();\n    array.sort(function (left, right) {\n      var cmp = sortFn(left, right);\n\n      if (cmp === 0) {\n        return newArray.indexOf(left) - newArray.indexOf(right);\n      }\n\n      return cmp;\n    });\n  };\n  /**\n   * A comparator function to sort two playlist object by bandwidth.\n   *\n   * @param {Object} left a media playlist object\n   * @param {Object} right a media playlist object\n   * @return {Number} Greater than zero if the bandwidth attribute of\n   * left is greater than the corresponding attribute of right. Less\n   * than zero if the bandwidth of right is greater than left and\n   * exactly zero if the two are equal.\n   */\n\n\n  var comparePlaylistBandwidth = function comparePlaylistBandwidth(left, right) {\n    var leftBandwidth = void 0;\n    var rightBandwidth = void 0;\n\n    if (left.attributes.BANDWIDTH) {\n      leftBandwidth = left.attributes.BANDWIDTH;\n    }\n\n    leftBandwidth = leftBandwidth || window$3.Number.MAX_VALUE;\n\n    if (right.attributes.BANDWIDTH) {\n      rightBandwidth = right.attributes.BANDWIDTH;\n    }\n\n    rightBandwidth = rightBandwidth || window$3.Number.MAX_VALUE;\n    return leftBandwidth - rightBandwidth;\n  };\n  /**\n   * A comparator function to sort two playlist object by resolution (width).\n   * @param {Object} left a media playlist object\n   * @param {Object} right a media playlist object\n   * @return {Number} Greater than zero if the resolution.width attribute of\n   * left is greater than the corresponding attribute of right. Less\n   * than zero if the resolution.width of right is greater than left and\n   * exactly zero if the two are equal.\n   */\n\n\n  var comparePlaylistResolution = function comparePlaylistResolution(left, right) {\n    var leftWidth = void 0;\n    var rightWidth = void 0;\n\n    if (left.attributes.RESOLUTION && left.attributes.RESOLUTION.width) {\n      leftWidth = left.attributes.RESOLUTION.width;\n    }\n\n    leftWidth = leftWidth || window$3.Number.MAX_VALUE;\n\n    if (right.attributes.RESOLUTION && right.attributes.RESOLUTION.width) {\n      rightWidth = right.attributes.RESOLUTION.width;\n    }\n\n    rightWidth = rightWidth || window$3.Number.MAX_VALUE; // NOTE - Fallback to bandwidth sort as appropriate in cases where multiple renditions\n    // have the same media dimensions/ resolution\n\n    if (leftWidth === rightWidth && left.attributes.BANDWIDTH && right.attributes.BANDWIDTH) {\n      return left.attributes.BANDWIDTH - right.attributes.BANDWIDTH;\n    }\n\n    return leftWidth - rightWidth;\n  };\n  /**\n   * Chooses the appropriate media playlist based on bandwidth and player size\n   *\n   * @param {Object} master\n   *        Object representation of the master manifest\n   * @param {Number} playerBandwidth\n   *        Current calculated bandwidth of the player\n   * @param {Number} playerWidth\n   *        Current width of the player element\n   * @param {Number} playerHeight\n   *        Current height of the player element\n   * @param {Boolean} limitRenditionByPlayerDimensions\n   *        True if the player width and height should be used during the selection, false otherwise\n   * @return {Playlist} the highest bitrate playlist less than the\n   * currently detected bandwidth, accounting for some amount of\n   * bandwidth variance\n   */\n\n\n  var simpleSelector = function simpleSelector(master, playerBandwidth, playerWidth, playerHeight, limitRenditionByPlayerDimensions) {\n    // convert the playlists to an intermediary representation to make comparisons easier\n    var sortedPlaylistReps = master.playlists.map(function (playlist) {\n      var width = void 0;\n      var height = void 0;\n      var bandwidth = void 0;\n      width = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.width;\n      height = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.height;\n      bandwidth = playlist.attributes.BANDWIDTH;\n      bandwidth = bandwidth || window$3.Number.MAX_VALUE;\n      return {\n        bandwidth: bandwidth,\n        width: width,\n        height: height,\n        playlist: playlist\n      };\n    });\n    stableSort(sortedPlaylistReps, function (left, right) {\n      return left.bandwidth - right.bandwidth;\n    }); // filter out any playlists that have been excluded due to\n    // incompatible configurations\n\n    sortedPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n      return !Playlist.isIncompatible(rep.playlist);\n    }); // filter out any playlists that have been disabled manually through the representations\n    // api or blacklisted temporarily due to playback errors.\n\n    var enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n      return Playlist.isEnabled(rep.playlist);\n    });\n\n    if (!enabledPlaylistReps.length) {\n      // if there are no enabled playlists, then they have all been blacklisted or disabled\n      // by the user through the representations api. In this case, ignore blacklisting and\n      // fallback to what the user wants by using playlists the user has not disabled.\n      enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n        return !Playlist.isDisabled(rep.playlist);\n      });\n    } // filter out any variant that has greater effective bitrate\n    // than the current estimated bandwidth\n\n\n    var bandwidthPlaylistReps = enabledPlaylistReps.filter(function (rep) {\n      return rep.bandwidth * Config.BANDWIDTH_VARIANCE < playerBandwidth;\n    });\n    var highestRemainingBandwidthRep = bandwidthPlaylistReps[bandwidthPlaylistReps.length - 1]; // get all of the renditions with the same (highest) bandwidth\n    // and then taking the very first element\n\n    var bandwidthBestRep = bandwidthPlaylistReps.filter(function (rep) {\n      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n    })[0]; // if we're not going to limit renditions by player size, make an early decision.\n\n    if (limitRenditionByPlayerDimensions === false) {\n      var _chosenRep = bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];\n\n      return _chosenRep ? _chosenRep.playlist : null;\n    } // filter out playlists without resolution information\n\n\n    var haveResolution = bandwidthPlaylistReps.filter(function (rep) {\n      return rep.width && rep.height;\n    }); // sort variants by resolution\n\n    stableSort(haveResolution, function (left, right) {\n      return left.width - right.width;\n    }); // if we have the exact resolution as the player use it\n\n    var resolutionBestRepList = haveResolution.filter(function (rep) {\n      return rep.width === playerWidth && rep.height === playerHeight;\n    });\n    highestRemainingBandwidthRep = resolutionBestRepList[resolutionBestRepList.length - 1]; // ensure that we pick the highest bandwidth variant that have exact resolution\n\n    var resolutionBestRep = resolutionBestRepList.filter(function (rep) {\n      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n    })[0];\n    var resolutionPlusOneList = void 0;\n    var resolutionPlusOneSmallest = void 0;\n    var resolutionPlusOneRep = void 0; // find the smallest variant that is larger than the player\n    // if there is no match of exact resolution\n\n    if (!resolutionBestRep) {\n      resolutionPlusOneList = haveResolution.filter(function (rep) {\n        return rep.width > playerWidth || rep.height > playerHeight;\n      }); // find all the variants have the same smallest resolution\n\n      resolutionPlusOneSmallest = resolutionPlusOneList.filter(function (rep) {\n        return rep.width === resolutionPlusOneList[0].width && rep.height === resolutionPlusOneList[0].height;\n      }); // ensure that we also pick the highest bandwidth variant that\n      // is just-larger-than the video player\n\n      highestRemainingBandwidthRep = resolutionPlusOneSmallest[resolutionPlusOneSmallest.length - 1];\n      resolutionPlusOneRep = resolutionPlusOneSmallest.filter(function (rep) {\n        return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n      })[0];\n    } // fallback chain of variants\n\n\n    var chosenRep = resolutionPlusOneRep || resolutionBestRep || bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];\n    return chosenRep ? chosenRep.playlist : null;\n  }; // Playlist Selectors\n\n  /**\n   * Chooses the appropriate media playlist based on the most recent\n   * bandwidth estimate and the player size.\n   *\n   * Expects to be called within the context of an instance of HlsHandler\n   *\n   * @return {Playlist} the highest bitrate playlist less than the\n   * currently detected bandwidth, accounting for some amount of\n   * bandwidth variance\n   */\n\n\n  var lastBandwidthSelector = function lastBandwidthSelector() {\n    return simpleSelector(this.playlists.master, this.systemBandwidth, parseInt(safeGetComputedStyle(this.tech_.el(), 'width'), 10), parseInt(safeGetComputedStyle(this.tech_.el(), 'height'), 10), this.limitRenditionByPlayerDimensions);\n  };\n  /**\n   * Chooses the appropriate media playlist based on the potential to rebuffer\n   *\n   * @param {Object} settings\n   *        Object of information required to use this selector\n   * @param {Object} settings.master\n   *        Object representation of the master manifest\n   * @param {Number} settings.currentTime\n   *        The current time of the player\n   * @param {Number} settings.bandwidth\n   *        Current measured bandwidth\n   * @param {Number} settings.duration\n   *        Duration of the media\n   * @param {Number} settings.segmentDuration\n   *        Segment duration to be used in round trip time calculations\n   * @param {Number} settings.timeUntilRebuffer\n   *        Time left in seconds until the player has to rebuffer\n   * @param {Number} settings.currentTimeline\n   *        The current timeline segments are being loaded from\n   * @param {SyncController} settings.syncController\n   *        SyncController for determining if we have a sync point for a given playlist\n   * @return {Object|null}\n   *         {Object} return.playlist\n   *         The highest bandwidth playlist with the least amount of rebuffering\n   *         {Number} return.rebufferingImpact\n   *         The amount of time in seconds switching to this playlist will rebuffer. A\n   *         negative value means that switching will cause zero rebuffering.\n   */\n\n\n  var minRebufferMaxBandwidthSelector = function minRebufferMaxBandwidthSelector(settings) {\n    var master = settings.master,\n        currentTime = settings.currentTime,\n        bandwidth = settings.bandwidth,\n        duration$$1 = settings.duration,\n        segmentDuration = settings.segmentDuration,\n        timeUntilRebuffer = settings.timeUntilRebuffer,\n        currentTimeline = settings.currentTimeline,\n        syncController = settings.syncController; // filter out any playlists that have been excluded due to\n    // incompatible configurations\n\n    var compatiblePlaylists = master.playlists.filter(function (playlist) {\n      return !Playlist.isIncompatible(playlist);\n    }); // filter out any playlists that have been disabled manually through the representations\n    // api or blacklisted temporarily due to playback errors.\n\n    var enabledPlaylists = compatiblePlaylists.filter(Playlist.isEnabled);\n\n    if (!enabledPlaylists.length) {\n      // if there are no enabled playlists, then they have all been blacklisted or disabled\n      // by the user through the representations api. In this case, ignore blacklisting and\n      // fallback to what the user wants by using playlists the user has not disabled.\n      enabledPlaylists = compatiblePlaylists.filter(function (playlist) {\n        return !Playlist.isDisabled(playlist);\n      });\n    }\n\n    var bandwidthPlaylists = enabledPlaylists.filter(Playlist.hasAttribute.bind(null, 'BANDWIDTH'));\n    var rebufferingEstimates = bandwidthPlaylists.map(function (playlist) {\n      var syncPoint = syncController.getSyncPoint(playlist, duration$$1, currentTimeline, currentTime); // If there is no sync point for this playlist, switching to it will require a\n      // sync request first. This will double the request time\n\n      var numRequests = syncPoint ? 1 : 2;\n      var requestTimeEstimate = Playlist.estimateSegmentRequestTime(segmentDuration, bandwidth, playlist);\n      var rebufferingImpact = requestTimeEstimate * numRequests - timeUntilRebuffer;\n      return {\n        playlist: playlist,\n        rebufferingImpact: rebufferingImpact\n      };\n    });\n    var noRebufferingPlaylists = rebufferingEstimates.filter(function (estimate) {\n      return estimate.rebufferingImpact <= 0;\n    }); // Sort by bandwidth DESC\n\n    stableSort(noRebufferingPlaylists, function (a, b) {\n      return comparePlaylistBandwidth(b.playlist, a.playlist);\n    });\n\n    if (noRebufferingPlaylists.length) {\n      return noRebufferingPlaylists[0];\n    }\n\n    stableSort(rebufferingEstimates, function (a, b) {\n      return a.rebufferingImpact - b.rebufferingImpact;\n    });\n    return rebufferingEstimates[0] || null;\n  };\n  /**\n   * Chooses the appropriate media playlist, which in this case is the lowest bitrate\n   * one with video.  If no renditions with video exist, return the lowest audio rendition.\n   *\n   * Expects to be called within the context of an instance of HlsHandler\n   *\n   * @return {Object|null}\n   *         {Object} return.playlist\n   *         The lowest bitrate playlist that contains a video codec.  If no such rendition\n   *         exists pick the lowest audio rendition.\n   */\n\n\n  var lowestBitrateCompatibleVariantSelector = function lowestBitrateCompatibleVariantSelector() {\n    // filter out any playlists that have been excluded due to\n    // incompatible configurations or playback errors\n    var playlists = this.playlists.master.playlists.filter(Playlist.isEnabled); // Sort ascending by bitrate\n\n    stableSort(playlists, function (a, b) {\n      return comparePlaylistBandwidth(a, b);\n    }); // Parse and assume that playlists with no video codec have no video\n    // (this is not necessarily true, although it is generally true).\n    //\n    // If an entire manifest has no valid videos everything will get filtered\n    // out.\n\n    var playlistsWithVideo = playlists.filter(function (playlist) {\n      return parseCodecs(playlist.attributes.CODECS).videoCodec;\n    });\n    return playlistsWithVideo[0] || null;\n  };\n  /**\n   * Create captions text tracks on video.js if they do not exist\n   *\n   * @param {Object} inbandTextTracks a reference to current inbandTextTracks\n   * @param {Object} tech the video.js tech\n   * @param {Object} captionStreams the caption streams to create\n   * @private\n   */\n\n\n  var createCaptionsTrackIfNotExists = function createCaptionsTrackIfNotExists(inbandTextTracks, tech, captionStreams) {\n    for (var trackId in captionStreams) {\n      if (!inbandTextTracks[trackId]) {\n        tech.trigger({\n          type: 'usage',\n          name: 'hls-608'\n        });\n        var track = tech.textTracks().getTrackById(trackId);\n\n        if (track) {\n          // Resuse an existing track with a CC# id because this was\n          // very likely created by videojs-contrib-hls from information\n          // in the m3u8 for us to use\n          inbandTextTracks[trackId] = track;\n        } else {\n          // Otherwise, create a track with the default `CC#` label and\n          // without a language\n          inbandTextTracks[trackId] = tech.addRemoteTextTrack({\n            kind: 'captions',\n            id: trackId,\n            label: trackId\n          }, false).track;\n        }\n      }\n    }\n  };\n\n  var addCaptionData = function addCaptionData(_ref) {\n    var inbandTextTracks = _ref.inbandTextTracks,\n        captionArray = _ref.captionArray,\n        timestampOffset = _ref.timestampOffset;\n\n    if (!captionArray) {\n      return;\n    }\n\n    var Cue = window.WebKitDataCue || window.VTTCue;\n    captionArray.forEach(function (caption) {\n      var track = caption.stream;\n      var startTime = caption.startTime;\n      var endTime = caption.endTime;\n\n      if (!inbandTextTracks[track]) {\n        return;\n      }\n\n      startTime += timestampOffset;\n      endTime += timestampOffset;\n      inbandTextTracks[track].addCue(new Cue(startTime, endTime, caption.text));\n    });\n  };\n  /**\n   * @file segment-loader.js\n   */\n  // in ms\n\n\n  var CHECK_BUFFER_DELAY = 500;\n  /**\n   * Determines if we should call endOfStream on the media source based\n   * on the state of the buffer or if appened segment was the final\n   * segment in the playlist.\n   *\n   * @param {Object} playlist a media playlist object\n   * @param {Object} mediaSource the MediaSource object\n   * @param {Number} segmentIndex the index of segment we last appended\n   * @returns {Boolean} do we need to call endOfStream on the MediaSource\n   */\n\n  var detectEndOfStream = function detectEndOfStream(playlist, mediaSource, segmentIndex) {\n    if (!playlist || !mediaSource) {\n      return false;\n    }\n\n    var segments = playlist.segments; // determine a few boolean values to help make the branch below easier\n    // to read\n\n    var appendedLastSegment = segmentIndex === segments.length; // if we've buffered to the end of the video, we need to call endOfStream\n    // so that MediaSources can trigger the `ended` event when it runs out of\n    // buffered data instead of waiting for me\n\n    return playlist.endList && mediaSource.readyState === 'open' && appendedLastSegment;\n  };\n\n  var finite = function finite(num) {\n    return typeof num === 'number' && isFinite(num);\n  };\n\n  var illegalMediaSwitch = function illegalMediaSwitch(loaderType, startingMedia, newSegmentMedia) {\n    // Although these checks should most likely cover non 'main' types, for now it narrows\n    // the scope of our checks.\n    if (loaderType !== 'main' || !startingMedia || !newSegmentMedia) {\n      return null;\n    }\n\n    if (!newSegmentMedia.containsAudio && !newSegmentMedia.containsVideo) {\n      return 'Neither audio nor video found in segment.';\n    }\n\n    if (startingMedia.containsVideo && !newSegmentMedia.containsVideo) {\n      return 'Only audio found in segment when we expected video.' + ' We can\\'t switch to audio only from a stream that had video.' + ' To get rid of this message, please add codec information to the manifest.';\n    }\n\n    if (!startingMedia.containsVideo && newSegmentMedia.containsVideo) {\n      return 'Video found in segment when we expected only audio.' + ' We can\\'t switch to a stream with video from an audio only stream.' + ' To get rid of this message, please add codec information to the manifest.';\n    }\n\n    return null;\n  };\n  /**\n   * Calculates a time value that is safe to remove from the back buffer without interupting\n   * playback.\n   *\n   * @param {TimeRange} seekable\n   *        The current seekable range\n   * @param {Number} currentTime\n   *        The current time of the player\n   * @param {Number} targetDuration\n   *        The target duration of the current playlist\n   * @return {Number}\n   *         Time that is safe to remove from the back buffer without interupting playback\n   */\n\n\n  var safeBackBufferTrimTime = function safeBackBufferTrimTime(seekable$$1, currentTime, targetDuration) {\n    // 30 seconds before the playhead provides a safe default for trimming.\n    //\n    // Choosing a reasonable default is particularly important for high bitrate content and\n    // VOD videos/live streams with large windows, as the buffer may end up overfilled and\n    // throw an APPEND_BUFFER_ERR.\n    var trimTime = currentTime - 30;\n\n    if (seekable$$1.length) {\n      // Some live playlists may have a shorter window of content than the full allowed back\n      // buffer. For these playlists, don't save content that's no longer within the window.\n      trimTime = Math.max(trimTime, seekable$$1.start(0));\n    } // Don't remove within target duration of the current time to avoid the possibility of\n    // removing the GOP currently being played, as removing it can cause playback stalls.\n\n\n    var maxTrimTime = currentTime - targetDuration;\n    return Math.min(maxTrimTime, trimTime);\n  };\n\n  var segmentInfoString = function segmentInfoString(segmentInfo) {\n    var _segmentInfo$segment = segmentInfo.segment,\n        start = _segmentInfo$segment.start,\n        end = _segmentInfo$segment.end,\n        _segmentInfo$playlist = segmentInfo.playlist,\n        seq = _segmentInfo$playlist.mediaSequence,\n        id = _segmentInfo$playlist.id,\n        _segmentInfo$playlist2 = _segmentInfo$playlist.segments,\n        segments = _segmentInfo$playlist2 === undefined ? [] : _segmentInfo$playlist2,\n        index = segmentInfo.mediaIndex,\n        timeline = segmentInfo.timeline;\n    return ['appending [' + index + '] of [' + seq + ', ' + (seq + segments.length) + '] from playlist [' + id + ']', '[' + start + ' => ' + end + '] in timeline [' + timeline + ']'].join(' ');\n  };\n  /**\n   * An object that manages segment loading and appending.\n   *\n   * @class SegmentLoader\n   * @param {Object} options required and optional options\n   * @extends videojs.EventTarget\n   */\n\n\n  var SegmentLoader = function (_videojs$EventTarget) {\n    inherits$2(SegmentLoader, _videojs$EventTarget);\n\n    function SegmentLoader(settings) {\n      classCallCheck$1(this, SegmentLoader); // check pre-conditions\n\n      var _this = possibleConstructorReturn$1(this, (SegmentLoader.__proto__ || Object.getPrototypeOf(SegmentLoader)).call(this));\n\n      if (!settings) {\n        throw new TypeError('Initialization settings are required');\n      }\n\n      if (typeof settings.currentTime !== 'function') {\n        throw new TypeError('No currentTime getter specified');\n      }\n\n      if (!settings.mediaSource) {\n        throw new TypeError('No MediaSource specified');\n      } // public properties\n\n\n      _this.bandwidth = settings.bandwidth;\n      _this.throughput = {\n        rate: 0,\n        count: 0\n      };\n      _this.roundTrip = NaN;\n\n      _this.resetStats_();\n\n      _this.mediaIndex = null; // private settings\n\n      _this.hasPlayed_ = settings.hasPlayed;\n      _this.currentTime_ = settings.currentTime;\n      _this.seekable_ = settings.seekable;\n      _this.seeking_ = settings.seeking;\n      _this.duration_ = settings.duration;\n      _this.mediaSource_ = settings.mediaSource;\n      _this.hls_ = settings.hls;\n      _this.loaderType_ = settings.loaderType;\n      _this.startingMedia_ = void 0;\n      _this.segmentMetadataTrack_ = settings.segmentMetadataTrack;\n      _this.goalBufferLength_ = settings.goalBufferLength;\n      _this.sourceType_ = settings.sourceType;\n      _this.inbandTextTracks_ = settings.inbandTextTracks;\n      _this.state_ = 'INIT'; // private instance variables\n\n      _this.checkBufferTimeout_ = null;\n      _this.error_ = void 0;\n      _this.currentTimeline_ = -1;\n      _this.pendingSegment_ = null;\n      _this.mimeType_ = null;\n      _this.sourceUpdater_ = null;\n      _this.xhrOptions_ = null; // Fragmented mp4 playback\n\n      _this.activeInitSegmentId_ = null;\n      _this.initSegments_ = {}; // HLSe playback\n\n      _this.cacheEncryptionKeys_ = settings.cacheEncryptionKeys;\n      _this.keyCache_ = {}; // Fmp4 CaptionParser\n\n      if (_this.loaderType_ === 'main') {\n        _this.captionParser_ = new captionParser();\n      } else {\n        _this.captionParser_ = null;\n      }\n\n      _this.decrypter_ = settings.decrypter; // Manages the tracking and generation of sync-points, mappings\n      // between a time in the display time and a segment index within\n      // a playlist\n\n      _this.syncController_ = settings.syncController;\n      _this.syncPoint_ = {\n        segmentIndex: 0,\n        time: 0\n      };\n\n      _this.triggerSyncInfoUpdate_ = function () {\n        return _this.trigger('syncinfoupdate');\n      };\n\n      _this.syncController_.on('syncinfoupdate', _this.triggerSyncInfoUpdate_);\n\n      _this.mediaSource_.addEventListener('sourceopen', function () {\n        return _this.ended_ = false;\n      }); // ...for determining the fetch location\n\n\n      _this.fetchAtBuffer_ = false;\n      _this.logger_ = logger('SegmentLoader[' + _this.loaderType_ + ']');\n      Object.defineProperty(_this, 'state', {\n        get: function get$$1() {\n          return this.state_;\n        },\n        set: function set$$1(newState) {\n          if (newState !== this.state_) {\n            this.logger_(this.state_ + ' -> ' + newState);\n            this.state_ = newState;\n          }\n        }\n      });\n      return _this;\n    }\n    /**\n     * reset all of our media stats\n     *\n     * @private\n     */\n\n\n    createClass$1(SegmentLoader, [{\n      key: 'resetStats_',\n      value: function resetStats_() {\n        this.mediaBytesTransferred = 0;\n        this.mediaRequests = 0;\n        this.mediaRequestsAborted = 0;\n        this.mediaRequestsTimedout = 0;\n        this.mediaRequestsErrored = 0;\n        this.mediaTransferDuration = 0;\n        this.mediaSecondsLoaded = 0;\n      }\n      /**\n       * dispose of the SegmentLoader and reset to the default state\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.state = 'DISPOSED';\n        this.pause();\n        this.abort_();\n\n        if (this.sourceUpdater_) {\n          this.sourceUpdater_.dispose();\n        }\n\n        this.resetStats_();\n\n        if (this.captionParser_) {\n          this.captionParser_.reset();\n        }\n\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        if (this.syncController_ && this.triggerSyncInfoUpdate_) {\n          this.syncController_.off('syncinfoupdate', this.triggerSyncInfoUpdate_);\n        }\n\n        this.off();\n      }\n      /**\n       * abort anything that is currently doing on with the SegmentLoader\n       * and reset to a default state\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort() {\n        if (this.state !== 'WAITING') {\n          if (this.pendingSegment_) {\n            this.pendingSegment_ = null;\n          }\n\n          return;\n        }\n\n        this.abort_(); // We aborted the requests we were waiting on, so reset the loader's state to READY\n        // since we are no longer \"waiting\" on any requests. XHR callback is not always run\n        // when the request is aborted. This will prevent the loader from being stuck in the\n        // WAITING state indefinitely.\n\n        this.state = 'READY'; // don't wait for buffer check timeouts to begin fetching the\n        // next segment\n\n        if (!this.paused()) {\n          this.monitorBuffer_();\n        }\n      }\n      /**\n       * abort all pending xhr requests and null any pending segements\n       *\n       * @private\n       */\n\n    }, {\n      key: 'abort_',\n      value: function abort_() {\n        if (this.pendingSegment_) {\n          this.pendingSegment_.abortRequests();\n        } // clear out the segment being processed\n\n\n        this.pendingSegment_ = null;\n      }\n      /**\n       * set an error on the segment loader and null out any pending segements\n       *\n       * @param {Error} error the error to set on the SegmentLoader\n       * @return {Error} the error that was set or that is currently set\n       */\n\n    }, {\n      key: 'error',\n      value: function error(_error) {\n        if (typeof _error !== 'undefined') {\n          this.error_ = _error;\n        }\n\n        this.pendingSegment_ = null;\n        return this.error_;\n      }\n    }, {\n      key: 'endOfStream',\n      value: function endOfStream() {\n        this.ended_ = true;\n        this.pause();\n        this.trigger('ended');\n      }\n      /**\n       * Indicates which time ranges are buffered\n       *\n       * @return {TimeRange}\n       *         TimeRange object representing the current buffered ranges\n       */\n\n    }, {\n      key: 'buffered_',\n      value: function buffered_() {\n        if (!this.sourceUpdater_) {\n          return videojs$1.createTimeRanges();\n        }\n\n        return this.sourceUpdater_.buffered();\n      }\n      /**\n       * Gets and sets init segment for the provided map\n       *\n       * @param {Object} map\n       *        The map object representing the init segment to get or set\n       * @param {Boolean=} set\n       *        If true, the init segment for the provided map should be saved\n       * @return {Object}\n       *         map object for desired init segment\n       */\n\n    }, {\n      key: 'initSegment',\n      value: function initSegment(map) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!map) {\n          return null;\n        }\n\n        var id = initSegmentId(map);\n        var storedMap = this.initSegments_[id];\n\n        if (set$$1 && !storedMap && map.bytes) {\n          this.initSegments_[id] = storedMap = {\n            resolvedUri: map.resolvedUri,\n            byterange: map.byterange,\n            bytes: map.bytes,\n            timescales: map.timescales,\n            videoTrackIds: map.videoTrackIds\n          };\n        }\n\n        return storedMap || map;\n      }\n      /**\n       * Gets and sets key for the provided key\n       *\n       * @param {Object} key\n       *        The key object representing the key to get or set\n       * @param {Boolean=} set\n       *        If true, the key for the provided key should be saved\n       * @return {Object}\n       *         Key object for desired key\n       */\n\n    }, {\n      key: 'segmentKey',\n      value: function segmentKey(key) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!key) {\n          return null;\n        }\n\n        var id = segmentKeyId(key);\n        var storedKey = this.keyCache_[id]; // TODO: We should use the HTTP Expires header to invalidate our cache per\n        // https://tools.ietf.org/html/draft-pantos-http-live-streaming-23#section-6.2.3\n\n        if (this.cacheEncryptionKeys_ && set$$1 && !storedKey && key.bytes) {\n          this.keyCache_[id] = storedKey = {\n            resolvedUri: key.resolvedUri,\n            bytes: key.bytes\n          };\n        }\n\n        var result = {\n          resolvedUri: (storedKey || key).resolvedUri\n        };\n\n        if (storedKey) {\n          result.bytes = storedKey.bytes;\n        }\n\n        return result;\n      }\n      /**\n       * Returns true if all configuration required for loading is present, otherwise false.\n       *\n       * @return {Boolean} True if the all configuration is ready for loading\n       * @private\n       */\n\n    }, {\n      key: 'couldBeginLoading_',\n      value: function couldBeginLoading_() {\n        return this.playlist_ && ( // the source updater is created when init_ is called, so either having a\n        // source updater or being in the INIT state with a mimeType is enough\n        // to say we have all the needed configuration to start loading.\n        this.sourceUpdater_ || this.mimeType_ && this.state === 'INIT') && !this.paused();\n      }\n      /**\n       * load a playlist and start to fill the buffer\n       */\n\n    }, {\n      key: 'load',\n      value: function load() {\n        // un-pause\n        this.monitorBuffer_(); // if we don't have a playlist yet, keep waiting for one to be\n        // specified\n\n        if (!this.playlist_) {\n          return;\n        } // not sure if this is the best place for this\n\n\n        this.syncController_.setDateTimeMapping(this.playlist_); // if all the configuration is ready, initialize and begin loading\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          return this.init_();\n        } // if we're in the middle of processing a segment already, don't\n        // kick off an additional segment request\n\n\n        if (!this.couldBeginLoading_() || this.state !== 'READY' && this.state !== 'INIT') {\n          return;\n        }\n\n        this.state = 'READY';\n      }\n      /**\n       * Once all the starting parameters have been specified, begin\n       * operation. This method should only be invoked from the INIT\n       * state.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'init_',\n      value: function init_() {\n        this.state = 'READY';\n        this.sourceUpdater_ = new SourceUpdater(this.mediaSource_, this.mimeType_, this.loaderType_, this.sourceBufferEmitter_);\n        this.resetEverything();\n        return this.monitorBuffer_();\n      }\n      /**\n       * set a playlist on the segment loader\n       *\n       * @param {PlaylistLoader} media the playlist to set on the segment loader\n       */\n\n    }, {\n      key: 'playlist',\n      value: function playlist(newPlaylist) {\n        var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n        if (!newPlaylist) {\n          return;\n        }\n\n        var oldPlaylist = this.playlist_;\n        var segmentInfo = this.pendingSegment_;\n        this.playlist_ = newPlaylist;\n        this.xhrOptions_ = options; // when we haven't started playing yet, the start of a live playlist\n        // is always our zero-time so force a sync update each time the playlist\n        // is refreshed from the server\n        //\n        // Use the INIT state to determine if playback has started, as the playlist sync info\n        // should be fixed once requests begin (as sync points are generated based on sync\n        // info), but not before then.\n\n        if (this.state === 'INIT') {\n          newPlaylist.syncInfo = {\n            mediaSequence: newPlaylist.mediaSequence,\n            time: 0\n          };\n        }\n\n        var oldId = null;\n\n        if (oldPlaylist) {\n          if (oldPlaylist.id) {\n            oldId = oldPlaylist.id;\n          } else if (oldPlaylist.uri) {\n            oldId = oldPlaylist.uri;\n          }\n        }\n\n        this.logger_('playlist update [' + oldId + ' => ' + (newPlaylist.id || newPlaylist.uri) + ']'); // in VOD, this is always a rendition switch (or we updated our syncInfo above)\n        // in LIVE, we always want to update with new playlists (including refreshes)\n\n        this.trigger('syncinfoupdate'); // if we were unpaused but waiting for a playlist, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          return this.init_();\n        }\n\n        if (!oldPlaylist || oldPlaylist.uri !== newPlaylist.uri) {\n          if (this.mediaIndex !== null) {\n            // we must \"resync\" the segment loader when we switch renditions and\n            // the segment loader is already synced to the previous rendition\n            this.resyncLoader();\n          } // the rest of this function depends on `oldPlaylist` being defined\n\n\n          return;\n        } // we reloaded the same playlist so we are in a live scenario\n        // and we will likely need to adjust the mediaIndex\n\n\n        var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence;\n        this.logger_('live window shift [' + mediaSequenceDiff + ']'); // update the mediaIndex on the SegmentLoader\n        // this is important because we can abort a request and this value must be\n        // equal to the last appended mediaIndex\n\n        if (this.mediaIndex !== null) {\n          this.mediaIndex -= mediaSequenceDiff;\n        } // update the mediaIndex on the SegmentInfo object\n        // this is important because we will update this.mediaIndex with this value\n        // in `handleUpdateEnd_` after the segment has been successfully appended\n\n\n        if (segmentInfo) {\n          segmentInfo.mediaIndex -= mediaSequenceDiff; // we need to update the referenced segment so that timing information is\n          // saved for the new playlist's segment, however, if the segment fell off the\n          // playlist, we can leave the old reference and just lose the timing info\n\n          if (segmentInfo.mediaIndex >= 0) {\n            segmentInfo.segment = newPlaylist.segments[segmentInfo.mediaIndex];\n          }\n        }\n\n        this.syncController_.saveExpiredSegmentInfo(oldPlaylist, newPlaylist);\n      }\n      /**\n       * Prevent the loader from fetching additional segments. If there\n       * is a segment request outstanding, it will finish processing\n       * before the loader halts. A segment loader can be unpaused by\n       * calling load().\n       */\n\n    }, {\n      key: 'pause',\n      value: function pause() {\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n          this.checkBufferTimeout_ = null;\n        }\n      }\n      /**\n       * Returns whether the segment loader is fetching additional\n       * segments when given the opportunity. This property can be\n       * modified through calls to pause() and load().\n       */\n\n    }, {\n      key: 'paused',\n      value: function paused() {\n        return this.checkBufferTimeout_ === null;\n      }\n      /**\n       * create/set the following mimetype on the SourceBuffer through a\n       * SourceUpdater\n       *\n       * @param {String} mimeType the mime type string to use\n       * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer\n       * is added to the media source\n       */\n\n    }, {\n      key: 'mimeType',\n      value: function mimeType(_mimeType, sourceBufferEmitter) {\n        if (this.mimeType_) {\n          return;\n        }\n\n        this.mimeType_ = _mimeType;\n        this.sourceBufferEmitter_ = sourceBufferEmitter; // if we were unpaused but waiting for a sourceUpdater, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          this.init_();\n        }\n      }\n      /**\n       * Delete all the buffered data and reset the SegmentLoader\n       * @param {Function} [done] an optional callback to be executed when the remove\n       * operation is complete\n       */\n\n    }, {\n      key: 'resetEverything',\n      value: function resetEverything(done) {\n        this.ended_ = false;\n        this.resetLoader(); // remove from 0, the earliest point, to Infinity, to signify removal of everything.\n        // VTT Segment Loader doesn't need to do anything but in the regular SegmentLoader,\n        // we then clamp the value to duration if necessary.\n\n        this.remove(0, Infinity, done); // clears fmp4 captions\n\n        if (this.captionParser_) {\n          this.captionParser_.clearAllCaptions();\n        }\n\n        this.trigger('reseteverything');\n      }\n      /**\n       * Force the SegmentLoader to resync and start loading around the currentTime instead\n       * of starting at the end of the buffer\n       *\n       * Useful for fast quality changes\n       */\n\n    }, {\n      key: 'resetLoader',\n      value: function resetLoader() {\n        this.fetchAtBuffer_ = false;\n        this.resyncLoader();\n      }\n      /**\n       * Force the SegmentLoader to restart synchronization and make a conservative guess\n       * before returning to the simple walk-forward method\n       */\n\n    }, {\n      key: 'resyncLoader',\n      value: function resyncLoader() {\n        this.mediaIndex = null;\n        this.syncPoint_ = null;\n        this.abort();\n      }\n      /**\n       * Remove any data in the source buffer between start and end times\n       * @param {Number} start - the start time of the region to remove from the buffer\n       * @param {Number} end - the end time of the region to remove from the buffer\n       * @param {Function} [done] - an optional callback to be executed when the remove\n       * operation is complete\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end, done) {\n        // clamp end to duration if we need to remove everything.\n        // This is due to a browser bug that causes issues if we remove to Infinity.\n        // videojs/videojs-contrib-hls#1225\n        if (end === Infinity) {\n          end = this.duration_();\n        }\n\n        if (this.sourceUpdater_) {\n          this.sourceUpdater_.remove(start, end, done);\n        }\n\n        removeCuesFromTrack(start, end, this.segmentMetadataTrack_);\n\n        if (this.inbandTextTracks_) {\n          for (var id in this.inbandTextTracks_) {\n            removeCuesFromTrack(start, end, this.inbandTextTracks_[id]);\n          }\n        }\n      }\n      /**\n       * (re-)schedule monitorBufferTick_ to run as soon as possible\n       *\n       * @private\n       */\n\n    }, {\n      key: 'monitorBuffer_',\n      value: function monitorBuffer_() {\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), 1);\n      }\n      /**\n       * As long as the SegmentLoader is in the READY state, periodically\n       * invoke fillBuffer_().\n       *\n       * @private\n       */\n\n    }, {\n      key: 'monitorBufferTick_',\n      value: function monitorBufferTick_() {\n        if (this.state === 'READY') {\n          this.fillBuffer_();\n        }\n\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), CHECK_BUFFER_DELAY);\n      }\n      /**\n       * fill the buffer with segements unless the sourceBuffers are\n       * currently updating\n       *\n       * Note: this function should only ever be called by monitorBuffer_\n       * and never directly\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fillBuffer_',\n      value: function fillBuffer_() {\n        if (this.sourceUpdater_.updating()) {\n          return;\n        }\n\n        if (!this.syncPoint_) {\n          this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());\n        } // see if we need to begin loading immediately\n\n\n        var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);\n\n        if (!segmentInfo) {\n          return;\n        }\n\n        if (this.isEndOfStream_(segmentInfo.mediaIndex)) {\n          this.endOfStream();\n          return;\n        }\n\n        if (segmentInfo.mediaIndex === this.playlist_.segments.length - 1 && this.mediaSource_.readyState === 'ended' && !this.seeking_()) {\n          return;\n        } // We will need to change timestampOffset of the sourceBuffer if:\n        // - The segment.timeline !== this.currentTimeline\n        //   (we are crossing a discontinuity somehow)\n        // - The \"timestampOffset\" for the start of this segment is less than\n        //   the currently set timestampOffset\n        // Also, clear captions if we are crossing a discontinuity boundary\n        // Previously, we changed the timestampOffset if the start of this segment\n        // is less than the currently set timestampOffset but this isn't wanted\n        // as it can produce bad behavior, especially around long running\n        // live streams\n\n\n        if (segmentInfo.timeline !== this.currentTimeline_) {\n          this.syncController_.reset();\n          segmentInfo.timestampOffset = segmentInfo.startOfSegment;\n\n          if (this.captionParser_) {\n            this.captionParser_.clearAllCaptions();\n          }\n        }\n\n        this.loadSegment_(segmentInfo);\n      }\n      /**\n       * Determines if this segment loader is at the end of it's stream.\n       *\n       * @param {Number} mediaIndex the index of segment we last appended\n       * @param {Object} [playlist=this.playlist_] a media playlist object\n       * @returns {Boolean} true if at end of stream, false otherwise.\n       */\n\n    }, {\n      key: 'isEndOfStream_',\n      value: function isEndOfStream_(mediaIndex) {\n        var playlist = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.playlist_;\n        return detectEndOfStream(playlist, this.mediaSource_, mediaIndex) && !this.sourceUpdater_.updating();\n      }\n      /**\n       * Determines what segment request should be made, given current playback\n       * state.\n       *\n       * @param {TimeRanges} buffered - the state of the buffer\n       * @param {Object} playlist - the playlist object to fetch segments from\n       * @param {Number} mediaIndex - the previous mediaIndex fetched or null\n       * @param {Boolean} hasPlayed - a flag indicating whether we have played or not\n       * @param {Number} currentTime - the playback position in seconds\n       * @param {Object} syncPoint - a segment info object that describes the\n       * @returns {Object} a segment request object that describes the segment to load\n       */\n\n    }, {\n      key: 'checkBuffer_',\n      value: function checkBuffer_(buffered, playlist, mediaIndex, hasPlayed, currentTime, syncPoint) {\n        var lastBufferedEnd = 0;\n        var startOfSegment = void 0;\n\n        if (buffered.length) {\n          lastBufferedEnd = buffered.end(buffered.length - 1);\n        }\n\n        var bufferedTime = Math.max(0, lastBufferedEnd - currentTime);\n\n        if (!playlist.segments.length) {\n          return null;\n        } // if there is plenty of content buffered, and the video has\n        // been played before relax for awhile\n\n\n        if (bufferedTime >= this.goalBufferLength_()) {\n          return null;\n        } // if the video has not yet played once, and we already have\n        // one segment downloaded do nothing\n\n\n        if (!hasPlayed && bufferedTime >= 1) {\n          return null;\n        } // When the syncPoint is null, there is no way of determining a good\n        // conservative segment index to fetch from\n        // The best thing to do here is to get the kind of sync-point data by\n        // making a request\n\n\n        if (syncPoint === null) {\n          mediaIndex = this.getSyncSegmentCandidate_(playlist);\n          return this.generateSegmentInfo_(playlist, mediaIndex, null, true);\n        } // Under normal playback conditions fetching is a simple walk forward\n\n\n        if (mediaIndex !== null) {\n          var segment = playlist.segments[mediaIndex];\n          startOfSegment = lastBufferedEnd;\n          return this.generateSegmentInfo_(playlist, mediaIndex + 1, startOfSegment, false);\n        } // There is a sync-point but the lack of a mediaIndex indicates that\n        // we need to make a good conservative guess about which segment to\n        // fetch\n\n\n        if (this.fetchAtBuffer_) {\n          // Find the segment containing the end of the buffer\n          var mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, lastBufferedEnd, syncPoint.segmentIndex, syncPoint.time);\n          mediaIndex = mediaSourceInfo.mediaIndex;\n          startOfSegment = mediaSourceInfo.startTime;\n        } else {\n          // Find the segment containing currentTime\n          var _mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, currentTime, syncPoint.segmentIndex, syncPoint.time);\n\n          mediaIndex = _mediaSourceInfo.mediaIndex;\n          startOfSegment = _mediaSourceInfo.startTime;\n        }\n\n        return this.generateSegmentInfo_(playlist, mediaIndex, startOfSegment, false);\n      }\n      /**\n       * The segment loader has no recourse except to fetch a segment in the\n       * current playlist and use the internal timestamps in that segment to\n       * generate a syncPoint. This function returns a good candidate index\n       * for that process.\n       *\n       * @param {Object} playlist - the playlist object to look for a\n       * @returns {Number} An index of a segment from the playlist to load\n       */\n\n    }, {\n      key: 'getSyncSegmentCandidate_',\n      value: function getSyncSegmentCandidate_(playlist) {\n        var _this2 = this;\n\n        if (this.currentTimeline_ === -1) {\n          return 0;\n        }\n\n        var segmentIndexArray = playlist.segments.map(function (s, i) {\n          return {\n            timeline: s.timeline,\n            segmentIndex: i\n          };\n        }).filter(function (s) {\n          return s.timeline === _this2.currentTimeline_;\n        });\n\n        if (segmentIndexArray.length) {\n          return segmentIndexArray[Math.min(segmentIndexArray.length - 1, 1)].segmentIndex;\n        }\n\n        return Math.max(playlist.segments.length - 1, 0);\n      }\n    }, {\n      key: 'generateSegmentInfo_',\n      value: function generateSegmentInfo_(playlist, mediaIndex, startOfSegment, isSyncRequest) {\n        if (mediaIndex < 0 || mediaIndex >= playlist.segments.length) {\n          return null;\n        }\n\n        var segment = playlist.segments[mediaIndex];\n        return {\n          requestId: 'segment-loader-' + Math.random(),\n          // resolve the segment URL relative to the playlist\n          uri: segment.resolvedUri,\n          // the segment's mediaIndex at the time it was requested\n          mediaIndex: mediaIndex,\n          // whether or not to update the SegmentLoader's state with this\n          // segment's mediaIndex\n          isSyncRequest: isSyncRequest,\n          startOfSegment: startOfSegment,\n          // the segment's playlist\n          playlist: playlist,\n          // unencrypted bytes of the segment\n          bytes: null,\n          // when a key is defined for this segment, the encrypted bytes\n          encryptedBytes: null,\n          // The target timestampOffset for this segment when we append it\n          // to the source buffer\n          timestampOffset: null,\n          // The timeline that the segment is in\n          timeline: segment.timeline,\n          // The expected duration of the segment in seconds\n          duration: segment.duration,\n          // retain the segment in case the playlist updates while doing an async process\n          segment: segment\n        };\n      }\n      /**\n       * Determines if the network has enough bandwidth to complete the current segment\n       * request in a timely manner. If not, the request will be aborted early and bandwidth\n       * updated to trigger a playlist switch.\n       *\n       * @param {Object} stats\n       *        Object containing stats about the request timing and size\n       * @return {Boolean} True if the request was aborted, false otherwise\n       * @private\n       */\n\n    }, {\n      key: 'abortRequestEarly_',\n      value: function abortRequestEarly_(stats) {\n        if (this.hls_.tech_.paused() || // Don't abort if the current playlist is on the lowestEnabledRendition\n        // TODO: Replace using timeout with a boolean indicating whether this playlist is\n        //       the lowestEnabledRendition.\n        !this.xhrOptions_.timeout || // Don't abort if we have no bandwidth information to estimate segment sizes\n        !this.playlist_.attributes.BANDWIDTH) {\n          return false;\n        } // Wait at least 1 second since the first byte of data has been received before\n        // using the calculated bandwidth from the progress event to allow the bitrate\n        // to stabilize\n\n\n        if (Date.now() - (stats.firstBytesReceivedAt || Date.now()) < 1000) {\n          return false;\n        }\n\n        var currentTime = this.currentTime_();\n        var measuredBandwidth = stats.bandwidth;\n        var segmentDuration = this.pendingSegment_.duration;\n        var requestTimeRemaining = Playlist.estimateSegmentRequestTime(segmentDuration, measuredBandwidth, this.playlist_, stats.bytesReceived); // Subtract 1 from the timeUntilRebuffer so we still consider an early abort\n        // if we are only left with less than 1 second when the request completes.\n        // A negative timeUntilRebuffering indicates we are already rebuffering\n\n        var timeUntilRebuffer$$1 = timeUntilRebuffer(this.buffered_(), currentTime, this.hls_.tech_.playbackRate()) - 1; // Only consider aborting early if the estimated time to finish the download\n        // is larger than the estimated time until the player runs out of forward buffer\n\n        if (requestTimeRemaining <= timeUntilRebuffer$$1) {\n          return false;\n        }\n\n        var switchCandidate = minRebufferMaxBandwidthSelector({\n          master: this.hls_.playlists.master,\n          currentTime: currentTime,\n          bandwidth: measuredBandwidth,\n          duration: this.duration_(),\n          segmentDuration: segmentDuration,\n          timeUntilRebuffer: timeUntilRebuffer$$1,\n          currentTimeline: this.currentTimeline_,\n          syncController: this.syncController_\n        });\n\n        if (!switchCandidate) {\n          return;\n        }\n\n        var rebufferingImpact = requestTimeRemaining - timeUntilRebuffer$$1;\n        var timeSavedBySwitching = rebufferingImpact - switchCandidate.rebufferingImpact;\n        var minimumTimeSaving = 0.5; // If we are already rebuffering, increase the amount of variance we add to the\n        // potential round trip time of the new request so that we are not too aggressive\n        // with switching to a playlist that might save us a fraction of a second.\n\n        if (timeUntilRebuffer$$1 <= TIME_FUDGE_FACTOR) {\n          minimumTimeSaving = 1;\n        }\n\n        if (!switchCandidate.playlist || switchCandidate.playlist.uri === this.playlist_.uri || timeSavedBySwitching < minimumTimeSaving) {\n          return false;\n        } // set the bandwidth to that of the desired playlist being sure to scale by\n        // BANDWIDTH_VARIANCE and add one so the playlist selector does not exclude it\n        // don't trigger a bandwidthupdate as the bandwidth is artifial\n\n\n        this.bandwidth = switchCandidate.playlist.attributes.BANDWIDTH * Config.BANDWIDTH_VARIANCE + 1;\n        this.abort();\n        this.trigger('earlyabort');\n        return true;\n      }\n      /**\n       * XHR `progress` event handler\n       *\n       * @param {Event}\n       *        The XHR `progress` event\n       * @param {Object} simpleSegment\n       *        A simplified segment object copy\n       * @private\n       */\n\n    }, {\n      key: 'handleProgress_',\n      value: function handleProgress_(event, simpleSegment) {\n        if (!this.pendingSegment_ || simpleSegment.requestId !== this.pendingSegment_.requestId || this.abortRequestEarly_(simpleSegment.stats)) {\n          return;\n        }\n\n        this.trigger('progress');\n      }\n      /**\n       * load a specific segment from a request into the buffer\n       *\n       * @private\n       */\n\n    }, {\n      key: 'loadSegment_',\n      value: function loadSegment_(segmentInfo) {\n        this.state = 'WAITING';\n        this.pendingSegment_ = segmentInfo;\n        this.trimBackBuffer_(segmentInfo);\n        segmentInfo.abortRequests = mediaSegmentRequest(this.hls_.xhr, this.xhrOptions_, this.decrypter_, this.captionParser_, this.createSimplifiedSegmentObj_(segmentInfo), // progress callback\n        this.handleProgress_.bind(this), this.segmentRequestFinished_.bind(this));\n      }\n      /**\n       * trim the back buffer so that we don't have too much data\n       * in the source buffer\n       *\n       * @private\n       *\n       * @param {Object} segmentInfo - the current segment\n       */\n\n    }, {\n      key: 'trimBackBuffer_',\n      value: function trimBackBuffer_(segmentInfo) {\n        var removeToTime = safeBackBufferTrimTime(this.seekable_(), this.currentTime_(), this.playlist_.targetDuration || 10); // Chrome has a hard limit of 150MB of\n        // buffer and a very conservative \"garbage collector\"\n        // We manually clear out the old buffer to ensure\n        // we don't trigger the QuotaExceeded error\n        // on the source buffer during subsequent appends\n\n        if (removeToTime > 0) {\n          this.remove(0, removeToTime);\n        }\n      }\n      /**\n       * created a simplified copy of the segment object with just the\n       * information necessary to perform the XHR and decryption\n       *\n       * @private\n       *\n       * @param {Object} segmentInfo - the current segment\n       * @returns {Object} a simplified segment object copy\n       */\n\n    }, {\n      key: 'createSimplifiedSegmentObj_',\n      value: function createSimplifiedSegmentObj_(segmentInfo) {\n        var segment = segmentInfo.segment;\n        var simpleSegment = {\n          resolvedUri: segment.resolvedUri,\n          byterange: segment.byterange,\n          requestId: segmentInfo.requestId\n        };\n\n        if (segment.key) {\n          // if the media sequence is greater than 2^32, the IV will be incorrect\n          // assuming 10s segments, that would be about 1300 years\n          var iv = segment.key.iv || new Uint32Array([0, 0, 0, segmentInfo.mediaIndex + segmentInfo.playlist.mediaSequence]);\n          simpleSegment.key = this.segmentKey(segment.key);\n          simpleSegment.key.iv = iv;\n        }\n\n        if (segment.map) {\n          simpleSegment.map = this.initSegment(segment.map);\n        }\n\n        return simpleSegment;\n      }\n      /**\n       * Handle the callback from the segmentRequest function and set the\n       * associated SegmentLoader state and errors if necessary\n       *\n       * @private\n       */\n\n    }, {\n      key: 'segmentRequestFinished_',\n      value: function segmentRequestFinished_(error, simpleSegment) {\n        // every request counts as a media request even if it has been aborted\n        // or canceled due to a timeout\n        this.mediaRequests += 1;\n\n        if (simpleSegment.stats) {\n          this.mediaBytesTransferred += simpleSegment.stats.bytesReceived;\n          this.mediaTransferDuration += simpleSegment.stats.roundTripTime;\n        } // The request was aborted and the SegmentLoader has already been reset\n\n\n        if (!this.pendingSegment_) {\n          this.mediaRequestsAborted += 1;\n          return;\n        } // the request was aborted and the SegmentLoader has already started\n        // another request. this can happen when the timeout for an aborted\n        // request triggers due to a limitation in the XHR library\n        // do not count this as any sort of request or we risk double-counting\n\n\n        if (simpleSegment.requestId !== this.pendingSegment_.requestId) {\n          return;\n        } // an error occurred from the active pendingSegment_ so reset everything\n\n\n        if (error) {\n          this.pendingSegment_ = null;\n          this.state = 'READY'; // the requests were aborted just record the aborted stat and exit\n          // this is not a true error condition and nothing corrective needs\n          // to be done\n\n          if (error.code === REQUEST_ERRORS.ABORTED) {\n            this.mediaRequestsAborted += 1;\n            return;\n          }\n\n          this.pause(); // the error is really just that at least one of the requests timed-out\n          // set the bandwidth to a very low value and trigger an ABR switch to\n          // take emergency action\n\n          if (error.code === REQUEST_ERRORS.TIMEOUT) {\n            this.mediaRequestsTimedout += 1;\n            this.bandwidth = 1;\n            this.roundTrip = NaN;\n            this.trigger('bandwidthupdate');\n            return;\n          } // if control-flow has arrived here, then the error is real\n          // emit an error event to blacklist the current playlist\n\n\n          this.mediaRequestsErrored += 1;\n          this.error(error);\n          this.trigger('error');\n          return;\n        } // the response was a success so set any bandwidth stats the request\n        // generated for ABR purposes\n\n\n        this.bandwidth = simpleSegment.stats.bandwidth;\n        this.roundTrip = simpleSegment.stats.roundTripTime; // if this request included an initialization segment, save that data\n        // to the initSegment cache\n\n        if (simpleSegment.map) {\n          simpleSegment.map = this.initSegment(simpleSegment.map, true);\n        } // if this request included a segment key, save that data in the cache\n\n\n        if (simpleSegment.key) {\n          this.segmentKey(simpleSegment.key, true);\n        }\n\n        this.processSegmentResponse_(simpleSegment);\n      }\n      /**\n       * Move any important data from the simplified segment object\n       * back to the real segment object for future phases\n       *\n       * @private\n       */\n\n    }, {\n      key: 'processSegmentResponse_',\n      value: function processSegmentResponse_(simpleSegment) {\n        var segmentInfo = this.pendingSegment_;\n        segmentInfo.bytes = simpleSegment.bytes;\n\n        if (simpleSegment.map) {\n          segmentInfo.segment.map.bytes = simpleSegment.map.bytes;\n        }\n\n        segmentInfo.endOfAllRequests = simpleSegment.endOfAllRequests; // This has fmp4 captions, add them to text tracks\n\n        if (simpleSegment.fmp4Captions) {\n          createCaptionsTrackIfNotExists(this.inbandTextTracks_, this.hls_.tech_, simpleSegment.captionStreams);\n          addCaptionData({\n            inbandTextTracks: this.inbandTextTracks_,\n            captionArray: simpleSegment.fmp4Captions,\n            // fmp4s will not have a timestamp offset\n            timestampOffset: 0\n          }); // Reset stored captions since we added parsed\n          // captions to a text track at this point\n\n          if (this.captionParser_) {\n            this.captionParser_.clearParsedCaptions();\n          }\n        }\n\n        this.handleSegment_();\n      }\n      /**\n       * append a decrypted segement to the SourceBuffer through a SourceUpdater\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSegment_',\n      value: function handleSegment_() {\n        var _this3 = this;\n\n        if (!this.pendingSegment_) {\n          this.state = 'READY';\n          return;\n        }\n\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment;\n        var timingInfo = this.syncController_.probeSegmentInfo(segmentInfo); // When we have our first timing info, determine what media types this loader is\n        // dealing with. Although we're maintaining extra state, it helps to preserve the\n        // separation of segment loader from the actual source buffers.\n\n        if (typeof this.startingMedia_ === 'undefined' && timingInfo && ( // Guard against cases where we're not getting timing info at all until we are\n        // certain that all streams will provide it.\n        timingInfo.containsAudio || timingInfo.containsVideo)) {\n          this.startingMedia_ = {\n            containsAudio: timingInfo.containsAudio,\n            containsVideo: timingInfo.containsVideo\n          };\n        }\n\n        var illegalMediaSwitchError = illegalMediaSwitch(this.loaderType_, this.startingMedia_, timingInfo);\n\n        if (illegalMediaSwitchError) {\n          this.error({\n            message: illegalMediaSwitchError,\n            blacklistDuration: Infinity\n          });\n          this.trigger('error');\n          return;\n        }\n\n        if (segmentInfo.isSyncRequest) {\n          this.trigger('syncinfoupdate');\n          this.pendingSegment_ = null;\n          this.state = 'READY';\n          return;\n        }\n\n        if (segmentInfo.timestampOffset !== null && segmentInfo.timestampOffset !== this.sourceUpdater_.timestampOffset()) {\n          // Subtract any difference between the PTS and DTS times of the first frame\n          // from the timeStampOffset (which currently equals the buffered.end) to prevent\n          // creating any gaps in the buffer\n          if (timingInfo && timingInfo.segmentTimestampInfo) {\n            var ptsStartTime = timingInfo.segmentTimestampInfo[0].ptsTime;\n            var dtsStartTime = timingInfo.segmentTimestampInfo[0].dtsTime;\n            segmentInfo.timestampOffset -= ptsStartTime - dtsStartTime;\n          }\n\n          this.sourceUpdater_.timestampOffset(segmentInfo.timestampOffset); // fired when a timestamp offset is set in HLS (can also identify discontinuities)\n\n          this.trigger('timestampoffset');\n        }\n\n        var timelineMapping = this.syncController_.mappingForTimeline(segmentInfo.timeline);\n\n        if (timelineMapping !== null) {\n          this.trigger({\n            type: 'segmenttimemapping',\n            mapping: timelineMapping\n          });\n        }\n\n        this.state = 'APPENDING'; // if the media initialization segment is changing, append it\n        // before the content segment\n\n        if (segment.map) {\n          var initId = initSegmentId(segment.map);\n\n          if (!this.activeInitSegmentId_ || this.activeInitSegmentId_ !== initId) {\n            var initSegment = this.initSegment(segment.map);\n            this.sourceUpdater_.appendBuffer({\n              bytes: initSegment.bytes\n            }, function () {\n              _this3.activeInitSegmentId_ = initId;\n            });\n          }\n        }\n\n        segmentInfo.byteLength = segmentInfo.bytes.byteLength;\n\n        if (typeof segment.start === 'number' && typeof segment.end === 'number') {\n          this.mediaSecondsLoaded += segment.end - segment.start;\n        } else {\n          this.mediaSecondsLoaded += segment.duration;\n        }\n\n        this.logger_(segmentInfoString(segmentInfo));\n        this.sourceUpdater_.appendBuffer({\n          bytes: segmentInfo.bytes,\n          videoSegmentTimingInfoCallback: this.handleVideoSegmentTimingInfo_.bind(this, segmentInfo.requestId)\n        }, this.handleUpdateEnd_.bind(this));\n      }\n    }, {\n      key: 'handleVideoSegmentTimingInfo_',\n      value: function handleVideoSegmentTimingInfo_(requestId, event) {\n        if (!this.pendingSegment_ || requestId !== this.pendingSegment_.requestId) {\n          return;\n        }\n\n        var segment = this.pendingSegment_.segment;\n\n        if (!segment.videoTimingInfo) {\n          segment.videoTimingInfo = {};\n        }\n\n        segment.videoTimingInfo.transmuxerPrependedSeconds = event.videoSegmentTimingInfo.prependedContentDuration || 0;\n        segment.videoTimingInfo.transmuxedPresentationStart = event.videoSegmentTimingInfo.start.presentation;\n        segment.videoTimingInfo.transmuxedPresentationEnd = event.videoSegmentTimingInfo.end.presentation; // mainly used as a reference for debugging\n\n        segment.videoTimingInfo.baseMediaDecodeTime = event.videoSegmentTimingInfo.baseMediaDecodeTime;\n      }\n      /**\n       * callback to run when appendBuffer is finished. detects if we are\n       * in a good state to do things with the data we got, or if we need\n       * to wait for more\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleUpdateEnd_',\n      value: function handleUpdateEnd_() {\n        if (!this.pendingSegment_) {\n          this.state = 'READY';\n\n          if (!this.paused()) {\n            this.monitorBuffer_();\n          }\n\n          return;\n        }\n\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment;\n        var isWalkingForward = this.mediaIndex !== null;\n        this.pendingSegment_ = null;\n        this.recordThroughput_(segmentInfo);\n        this.addSegmentMetadataCue_(segmentInfo);\n        this.state = 'READY';\n        this.mediaIndex = segmentInfo.mediaIndex;\n        this.fetchAtBuffer_ = true;\n        this.currentTimeline_ = segmentInfo.timeline; // We must update the syncinfo to recalculate the seekable range before\n        // the following conditional otherwise it may consider this a bad \"guess\"\n        // and attempt to resync when the post-update seekable window and live\n        // point would mean that this was the perfect segment to fetch\n\n        this.trigger('syncinfoupdate'); // If we previously appended a segment that ends more than 3 targetDurations before\n        // the currentTime_ that means that our conservative guess was too conservative.\n        // In that case, reset the loader state so that we try to use any information gained\n        // from the previous request to create a new, more accurate, sync-point.\n\n        if (segment.end && this.currentTime_() - segment.end > segmentInfo.playlist.targetDuration * 3) {\n          this.resetEverything();\n          return;\n        } // Don't do a rendition switch unless we have enough time to get a sync segment\n        // and conservatively guess\n\n\n        if (isWalkingForward) {\n          this.trigger('bandwidthupdate');\n        }\n\n        this.trigger('progress'); // any time an update finishes and the last segment is in the\n        // buffer, end the stream. this ensures the \"ended\" event will\n        // fire if playback reaches that point.\n\n        if (this.isEndOfStream_(segmentInfo.mediaIndex + 1, segmentInfo.playlist)) {\n          this.endOfStream();\n        }\n\n        if (!this.paused()) {\n          this.monitorBuffer_();\n        }\n      }\n      /**\n       * Records the current throughput of the decrypt, transmux, and append\n       * portion of the semgment pipeline. `throughput.rate` is a the cumulative\n       * moving average of the throughput. `throughput.count` is the number of\n       * data points in the average.\n       *\n       * @private\n       * @param {Object} segmentInfo the object returned by loadSegment\n       */\n\n    }, {\n      key: 'recordThroughput_',\n      value: function recordThroughput_(segmentInfo) {\n        var rate = this.throughput.rate; // Add one to the time to ensure that we don't accidentally attempt to divide\n        // by zero in the case where the throughput is ridiculously high\n\n        var segmentProcessingTime = Date.now() - segmentInfo.endOfAllRequests + 1; // Multiply by 8000 to convert from bytes/millisecond to bits/second\n\n        var segmentProcessingThroughput = Math.floor(segmentInfo.byteLength / segmentProcessingTime * 8 * 1000); // This is just a cumulative moving average calculation:\n        //   newAvg = oldAvg + (sample - oldAvg) / (sampleCount + 1)\n\n        this.throughput.rate += (segmentProcessingThroughput - rate) / ++this.throughput.count;\n      }\n      /**\n       * Adds a cue to the segment-metadata track with some metadata information about the\n       * segment\n       *\n       * @private\n       * @param {Object} segmentInfo\n       *        the object returned by loadSegment\n       * @method addSegmentMetadataCue_\n       */\n\n    }, {\n      key: 'addSegmentMetadataCue_',\n      value: function addSegmentMetadataCue_(segmentInfo) {\n        if (!this.segmentMetadataTrack_) {\n          return;\n        }\n\n        var segment = segmentInfo.segment;\n        var start = segment.start;\n        var end = segment.end; // Do not try adding the cue if the start and end times are invalid.\n\n        if (!finite(start) || !finite(end)) {\n          return;\n        }\n\n        removeCuesFromTrack(start, end, this.segmentMetadataTrack_);\n        var Cue = window$3.WebKitDataCue || window$3.VTTCue;\n        var value = {\n          custom: segment.custom,\n          dateTimeObject: segment.dateTimeObject,\n          dateTimeString: segment.dateTimeString,\n          bandwidth: segmentInfo.playlist.attributes.BANDWIDTH,\n          resolution: segmentInfo.playlist.attributes.RESOLUTION,\n          codecs: segmentInfo.playlist.attributes.CODECS,\n          byteLength: segmentInfo.byteLength,\n          uri: segmentInfo.uri,\n          timeline: segmentInfo.timeline,\n          playlist: segmentInfo.playlist.id,\n          start: start,\n          end: end\n        };\n        var data = JSON.stringify(value);\n        var cue = new Cue(start, end, data); // Attach the metadata to the value property of the cue to keep consistency between\n        // the differences of WebKitDataCue in safari and VTTCue in other browsers\n\n        cue.value = value;\n        this.segmentMetadataTrack_.addCue(cue);\n      }\n    }]);\n    return SegmentLoader;\n  }(videojs$1.EventTarget);\n\n  var uint8ToUtf8 = function uint8ToUtf8(uintArray) {\n    return decodeURIComponent(escape(String.fromCharCode.apply(null, uintArray)));\n  };\n  /**\n   * @file vtt-segment-loader.js\n   */\n\n\n  var VTT_LINE_TERMINATORS = new Uint8Array('\\n\\n'.split('').map(function (_char2) {\n    return _char2.charCodeAt(0);\n  }));\n  /**\n   * An object that manages segment loading and appending.\n   *\n   * @class VTTSegmentLoader\n   * @param {Object} options required and optional options\n   * @extends videojs.EventTarget\n   */\n\n  var VTTSegmentLoader = function (_SegmentLoader) {\n    inherits$2(VTTSegmentLoader, _SegmentLoader);\n\n    function VTTSegmentLoader(settings) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      classCallCheck$1(this, VTTSegmentLoader); // SegmentLoader requires a MediaSource be specified or it will throw an error;\n      // however, VTTSegmentLoader has no need of a media source, so delete the reference\n\n      var _this = possibleConstructorReturn$1(this, (VTTSegmentLoader.__proto__ || Object.getPrototypeOf(VTTSegmentLoader)).call(this, settings, options));\n\n      _this.mediaSource_ = null;\n      _this.subtitlesTrack_ = null;\n      _this.featuresNativeTextTracks_ = settings.featuresNativeTextTracks;\n      return _this;\n    }\n    /**\n     * Indicates which time ranges are buffered\n     *\n     * @return {TimeRange}\n     *         TimeRange object representing the current buffered ranges\n     */\n\n\n    createClass$1(VTTSegmentLoader, [{\n      key: 'buffered_',\n      value: function buffered_() {\n        if (!this.subtitlesTrack_ || !this.subtitlesTrack_.cues.length) {\n          return videojs$1.createTimeRanges();\n        }\n\n        var cues = this.subtitlesTrack_.cues;\n        var start = cues[0].startTime;\n        var end = cues[cues.length - 1].startTime;\n        return videojs$1.createTimeRanges([[start, end]]);\n      }\n      /**\n       * Gets and sets init segment for the provided map\n       *\n       * @param {Object} map\n       *        The map object representing the init segment to get or set\n       * @param {Boolean=} set\n       *        If true, the init segment for the provided map should be saved\n       * @return {Object}\n       *         map object for desired init segment\n       */\n\n    }, {\n      key: 'initSegment',\n      value: function initSegment(map) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!map) {\n          return null;\n        }\n\n        var id = initSegmentId(map);\n        var storedMap = this.initSegments_[id];\n\n        if (set$$1 && !storedMap && map.bytes) {\n          // append WebVTT line terminators to the media initialization segment if it exists\n          // to follow the WebVTT spec (https://w3c.github.io/webvtt/#file-structure) that\n          // requires two or more WebVTT line terminators between the WebVTT header and the\n          // rest of the file\n          var combinedByteLength = VTT_LINE_TERMINATORS.byteLength + map.bytes.byteLength;\n          var combinedSegment = new Uint8Array(combinedByteLength);\n          combinedSegment.set(map.bytes);\n          combinedSegment.set(VTT_LINE_TERMINATORS, map.bytes.byteLength);\n          this.initSegments_[id] = storedMap = {\n            resolvedUri: map.resolvedUri,\n            byterange: map.byterange,\n            bytes: combinedSegment\n          };\n        }\n\n        return storedMap || map;\n      }\n      /**\n       * Returns true if all configuration required for loading is present, otherwise false.\n       *\n       * @return {Boolean} True if the all configuration is ready for loading\n       * @private\n       */\n\n    }, {\n      key: 'couldBeginLoading_',\n      value: function couldBeginLoading_() {\n        return this.playlist_ && this.subtitlesTrack_ && !this.paused();\n      }\n      /**\n       * Once all the starting parameters have been specified, begin\n       * operation. This method should only be invoked from the INIT\n       * state.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'init_',\n      value: function init_() {\n        this.state = 'READY';\n        this.resetEverything();\n        return this.monitorBuffer_();\n      }\n      /**\n       * Set a subtitle track on the segment loader to add subtitles to\n       *\n       * @param {TextTrack=} track\n       *        The text track to add loaded subtitles to\n       * @return {TextTrack}\n       *        Returns the subtitles track\n       */\n\n    }, {\n      key: 'track',\n      value: function track(_track) {\n        if (typeof _track === 'undefined') {\n          return this.subtitlesTrack_;\n        }\n\n        this.subtitlesTrack_ = _track; // if we were unpaused but waiting for a sourceUpdater, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          this.init_();\n        }\n\n        return this.subtitlesTrack_;\n      }\n      /**\n       * Remove any data in the source buffer between start and end times\n       * @param {Number} start - the start time of the region to remove from the buffer\n       * @param {Number} end - the end time of the region to remove from the buffer\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        removeCuesFromTrack(start, end, this.subtitlesTrack_);\n      }\n      /**\n       * fill the buffer with segements unless the sourceBuffers are\n       * currently updating\n       *\n       * Note: this function should only ever be called by monitorBuffer_\n       * and never directly\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fillBuffer_',\n      value: function fillBuffer_() {\n        var _this2 = this;\n\n        if (!this.syncPoint_) {\n          this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());\n        } // see if we need to begin loading immediately\n\n\n        var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);\n        segmentInfo = this.skipEmptySegments_(segmentInfo);\n\n        if (!segmentInfo) {\n          return;\n        }\n\n        if (this.syncController_.timestampOffsetForTimeline(segmentInfo.timeline) === null) {\n          // We don't have the timestamp offset that we need to sync subtitles.\n          // Rerun on a timestamp offset or user interaction.\n          var checkTimestampOffset = function checkTimestampOffset() {\n            _this2.state = 'READY';\n\n            if (!_this2.paused()) {\n              // if not paused, queue a buffer check as soon as possible\n              _this2.monitorBuffer_();\n            }\n          };\n\n          this.syncController_.one('timestampoffset', checkTimestampOffset);\n          this.state = 'WAITING_ON_TIMELINE';\n          return;\n        }\n\n        this.loadSegment_(segmentInfo);\n      }\n      /**\n       * Prevents the segment loader from requesting segments we know contain no subtitles\n       * by walking forward until we find the next segment that we don't know whether it is\n       * empty or not.\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @return {Object}\n       *         a segment info object that describes the current segment\n       */\n\n    }, {\n      key: 'skipEmptySegments_',\n      value: function skipEmptySegments_(segmentInfo) {\n        while (segmentInfo && segmentInfo.segment.empty) {\n          segmentInfo = this.generateSegmentInfo_(segmentInfo.playlist, segmentInfo.mediaIndex + 1, segmentInfo.startOfSegment + segmentInfo.duration, segmentInfo.isSyncRequest);\n        }\n\n        return segmentInfo;\n      }\n      /**\n       * append a decrypted segement to the SourceBuffer through a SourceUpdater\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSegment_',\n      value: function handleSegment_() {\n        var _this3 = this;\n\n        if (!this.pendingSegment_ || !this.subtitlesTrack_) {\n          this.state = 'READY';\n          return;\n        }\n\n        this.state = 'APPENDING';\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment; // Make sure that vttjs has loaded, otherwise, wait till it finished loading\n\n        if (typeof window$3.WebVTT !== 'function' && this.subtitlesTrack_ && this.subtitlesTrack_.tech_) {\n          var loadHandler = void 0;\n\n          var errorHandler = function errorHandler() {\n            _this3.subtitlesTrack_.tech_.off('vttjsloaded', loadHandler);\n\n            _this3.error({\n              message: 'Error loading vtt.js'\n            });\n\n            _this3.state = 'READY';\n\n            _this3.pause();\n\n            _this3.trigger('error');\n          };\n\n          loadHandler = function loadHandler() {\n            _this3.subtitlesTrack_.tech_.off('vttjserror', errorHandler);\n\n            _this3.handleSegment_();\n          };\n\n          this.state = 'WAITING_ON_VTTJS';\n          this.subtitlesTrack_.tech_.one('vttjsloaded', loadHandler);\n          this.subtitlesTrack_.tech_.one('vttjserror', errorHandler);\n          return;\n        }\n\n        segment.requested = true;\n\n        try {\n          this.parseVTTCues_(segmentInfo);\n        } catch (e) {\n          this.error({\n            message: e.message\n          });\n          this.state = 'READY';\n          this.pause();\n          return this.trigger('error');\n        }\n\n        this.updateTimeMapping_(segmentInfo, this.syncController_.timelines[segmentInfo.timeline], this.playlist_);\n\n        if (segmentInfo.isSyncRequest) {\n          this.trigger('syncinfoupdate');\n          this.pendingSegment_ = null;\n          this.state = 'READY';\n          return;\n        }\n\n        segmentInfo.byteLength = segmentInfo.bytes.byteLength;\n        this.mediaSecondsLoaded += segment.duration;\n\n        if (segmentInfo.cues.length) {\n          // remove any overlapping cues to prevent doubling\n          this.remove(segmentInfo.cues[0].endTime, segmentInfo.cues[segmentInfo.cues.length - 1].endTime);\n        }\n\n        segmentInfo.cues.forEach(function (cue) {\n          _this3.subtitlesTrack_.addCue(_this3.featuresNativeTextTracks_ ? new window$3.VTTCue(cue.startTime, cue.endTime, cue.text) : cue);\n        });\n        this.handleUpdateEnd_();\n      }\n      /**\n       * Uses the WebVTT parser to parse the segment response\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @private\n       */\n\n    }, {\n      key: 'parseVTTCues_',\n      value: function parseVTTCues_(segmentInfo) {\n        var decoder = void 0;\n        var decodeBytesToString = false;\n\n        if (typeof window$3.TextDecoder === 'function') {\n          decoder = new window$3.TextDecoder('utf8');\n        } else {\n          decoder = window$3.WebVTT.StringDecoder();\n          decodeBytesToString = true;\n        }\n\n        var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, decoder);\n        segmentInfo.cues = [];\n        segmentInfo.timestampmap = {\n          MPEGTS: 0,\n          LOCAL: 0\n        };\n        parser.oncue = segmentInfo.cues.push.bind(segmentInfo.cues);\n\n        parser.ontimestampmap = function (map) {\n          return segmentInfo.timestampmap = map;\n        };\n\n        parser.onparsingerror = function (error) {\n          videojs$1.log.warn('Error encountered when parsing cues: ' + error.message);\n        };\n\n        if (segmentInfo.segment.map) {\n          var mapData = segmentInfo.segment.map.bytes;\n\n          if (decodeBytesToString) {\n            mapData = uint8ToUtf8(mapData);\n          }\n\n          parser.parse(mapData);\n        }\n\n        var segmentData = segmentInfo.bytes;\n\n        if (decodeBytesToString) {\n          segmentData = uint8ToUtf8(segmentData);\n        }\n\n        parser.parse(segmentData);\n        parser.flush();\n      }\n      /**\n       * Updates the start and end times of any cues parsed by the WebVTT parser using\n       * the information parsed from the X-TIMESTAMP-MAP header and a TS to media time mapping\n       * from the SyncController\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @param {Object} mappingObj\n       *        object containing a mapping from TS to media time\n       * @param {Object} playlist\n       *        the playlist object containing the segment\n       * @private\n       */\n\n    }, {\n      key: 'updateTimeMapping_',\n      value: function updateTimeMapping_(segmentInfo, mappingObj, playlist) {\n        var segment = segmentInfo.segment;\n\n        if (!mappingObj) {\n          // If the sync controller does not have a mapping of TS to Media Time for the\n          // timeline, then we don't have enough information to update the cue\n          // start/end times\n          return;\n        }\n\n        if (!segmentInfo.cues.length) {\n          // If there are no cues, we also do not have enough information to figure out\n          // segment timing. Mark that the segment contains no cues so we don't re-request\n          // an empty segment.\n          segment.empty = true;\n          return;\n        }\n\n        var timestampmap = segmentInfo.timestampmap;\n        var diff = timestampmap.MPEGTS / 90000 - timestampmap.LOCAL + mappingObj.mapping;\n        segmentInfo.cues.forEach(function (cue) {\n          // First convert cue time to TS time using the timestamp-map provided within the vtt\n          cue.startTime += diff;\n          cue.endTime += diff;\n        });\n\n        if (!playlist.syncInfo) {\n          var firstStart = segmentInfo.cues[0].startTime;\n          var lastStart = segmentInfo.cues[segmentInfo.cues.length - 1].startTime;\n          playlist.syncInfo = {\n            mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,\n            time: Math.min(firstStart, lastStart - segment.duration)\n          };\n        }\n      }\n    }]);\n    return VTTSegmentLoader;\n  }(SegmentLoader);\n  /**\n   * @file ad-cue-tags.js\n   */\n\n  /**\n   * Searches for an ad cue that overlaps with the given mediaTime\n   */\n\n\n  var findAdCue = function findAdCue(track, mediaTime) {\n    var cues = track.cues;\n\n    for (var i = 0; i < cues.length; i++) {\n      var cue = cues[i];\n\n      if (mediaTime >= cue.adStartTime && mediaTime <= cue.adEndTime) {\n        return cue;\n      }\n    }\n\n    return null;\n  };\n\n  var updateAdCues = function updateAdCues(media, track) {\n    var offset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;\n\n    if (!media.segments) {\n      return;\n    }\n\n    var mediaTime = offset;\n    var cue = void 0;\n\n    for (var i = 0; i < media.segments.length; i++) {\n      var segment = media.segments[i];\n\n      if (!cue) {\n        // Since the cues will span for at least the segment duration, adding a fudge\n        // factor of half segment duration will prevent duplicate cues from being\n        // created when timing info is not exact (e.g. cue start time initialized\n        // at 10.006677, but next call mediaTime is 10.003332 )\n        cue = findAdCue(track, mediaTime + segment.duration / 2);\n      }\n\n      if (cue) {\n        if ('cueIn' in segment) {\n          // Found a CUE-IN so end the cue\n          cue.endTime = mediaTime;\n          cue.adEndTime = mediaTime;\n          mediaTime += segment.duration;\n          cue = null;\n          continue;\n        }\n\n        if (mediaTime < cue.endTime) {\n          // Already processed this mediaTime for this cue\n          mediaTime += segment.duration;\n          continue;\n        } // otherwise extend cue until a CUE-IN is found\n\n\n        cue.endTime += segment.duration;\n      } else {\n        if ('cueOut' in segment) {\n          cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, segment.cueOut);\n          cue.adStartTime = mediaTime; // Assumes tag format to be\n          // #EXT-X-CUE-OUT:30\n\n          cue.adEndTime = mediaTime + parseFloat(segment.cueOut);\n          track.addCue(cue);\n        }\n\n        if ('cueOutCont' in segment) {\n          // Entered into the middle of an ad cue\n          var adOffset = void 0;\n          var adTotal = void 0; // Assumes tag formate to be\n          // #EXT-X-CUE-OUT-CONT:10/30\n\n          var _segment$cueOutCont$s = segment.cueOutCont.split('/').map(parseFloat);\n\n          var _segment$cueOutCont$s2 = slicedToArray(_segment$cueOutCont$s, 2);\n\n          adOffset = _segment$cueOutCont$s2[0];\n          adTotal = _segment$cueOutCont$s2[1];\n          cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, '');\n          cue.adStartTime = mediaTime - adOffset;\n          cue.adEndTime = cue.adStartTime + adTotal;\n          track.addCue(cue);\n        }\n      }\n\n      mediaTime += segment.duration;\n    }\n  };\n  /**\n   * @file sync-controller.js\n   */\n\n\n  var tsprobe = tsInspector.inspect;\n  var syncPointStrategies = [// Stategy \"VOD\": Handle the VOD-case where the sync-point is *always*\n  //                the equivalence display-time 0 === segment-index 0\n  {\n    name: 'VOD',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (duration$$1 !== Infinity) {\n        var syncPoint = {\n          time: 0,\n          segmentIndex: 0\n        };\n        return syncPoint;\n      }\n\n      return null;\n    }\n  }, // Stategy \"ProgramDateTime\": We have a program-date-time tag in this playlist\n  {\n    name: 'ProgramDateTime',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (!syncController.datetimeToDisplayTime) {\n        return null;\n      }\n\n      var segments = playlist.segments || [];\n      var syncPoint = null;\n      var lastDistance = null;\n      currentTime = currentTime || 0;\n\n      for (var i = 0; i < segments.length; i++) {\n        var segment = segments[i];\n\n        if (segment.dateTimeObject) {\n          var segmentTime = segment.dateTimeObject.getTime() / 1000;\n          var segmentStart = segmentTime + syncController.datetimeToDisplayTime;\n          var distance = Math.abs(currentTime - segmentStart); // Once the distance begins to increase, or if distance is 0, we have passed\n          // currentTime and can stop looking for better candidates\n\n          if (lastDistance !== null && (distance === 0 || lastDistance < distance)) {\n            break;\n          }\n\n          lastDistance = distance;\n          syncPoint = {\n            time: segmentStart,\n            segmentIndex: i\n          };\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Segment\": We have a known time mapping for a timeline and a\n  //                    segment in the current timeline with timing data\n  {\n    name: 'Segment',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      var segments = playlist.segments || [];\n      var syncPoint = null;\n      var lastDistance = null;\n      currentTime = currentTime || 0;\n\n      for (var i = 0; i < segments.length; i++) {\n        var segment = segments[i];\n\n        if (segment.timeline === currentTimeline && typeof segment.start !== 'undefined') {\n          var distance = Math.abs(currentTime - segment.start); // Once the distance begins to increase, we have passed\n          // currentTime and can stop looking for better candidates\n\n          if (lastDistance !== null && lastDistance < distance) {\n            break;\n          }\n\n          if (!syncPoint || lastDistance === null || lastDistance >= distance) {\n            lastDistance = distance;\n            syncPoint = {\n              time: segment.start,\n              segmentIndex: i\n            };\n          }\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Discontinuity\": We have a discontinuity with a known\n  //                          display-time\n  {\n    name: 'Discontinuity',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      var syncPoint = null;\n      currentTime = currentTime || 0;\n\n      if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {\n        var lastDistance = null;\n\n        for (var i = 0; i < playlist.discontinuityStarts.length; i++) {\n          var segmentIndex = playlist.discontinuityStarts[i];\n          var discontinuity = playlist.discontinuitySequence + i + 1;\n          var discontinuitySync = syncController.discontinuities[discontinuity];\n\n          if (discontinuitySync) {\n            var distance = Math.abs(currentTime - discontinuitySync.time); // Once the distance begins to increase, we have passed\n            // currentTime and can stop looking for better candidates\n\n            if (lastDistance !== null && lastDistance < distance) {\n              break;\n            }\n\n            if (!syncPoint || lastDistance === null || lastDistance >= distance) {\n              lastDistance = distance;\n              syncPoint = {\n                time: discontinuitySync.time,\n                segmentIndex: segmentIndex\n              };\n            }\n          }\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Playlist\": We have a playlist with a known mapping of\n  //                     segment index to display time\n  {\n    name: 'Playlist',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (playlist.syncInfo) {\n        var syncPoint = {\n          time: playlist.syncInfo.time,\n          segmentIndex: playlist.syncInfo.mediaSequence - playlist.mediaSequence\n        };\n        return syncPoint;\n      }\n\n      return null;\n    }\n  }];\n\n  var SyncController = function (_videojs$EventTarget) {\n    inherits$2(SyncController, _videojs$EventTarget);\n\n    function SyncController() {\n      classCallCheck$1(this, SyncController); // Segment Loader state variables...\n      // ...for synching across variants\n\n      var _this = possibleConstructorReturn$1(this, (SyncController.__proto__ || Object.getPrototypeOf(SyncController)).call(this));\n\n      _this.inspectCache_ = undefined; // ...for synching across variants\n\n      _this.timelines = [];\n      _this.discontinuities = [];\n      _this.datetimeToDisplayTime = null;\n      _this.logger_ = logger('SyncController');\n      return _this;\n    }\n    /**\n     * Find a sync-point for the playlist specified\n     *\n     * A sync-point is defined as a known mapping from display-time to\n     * a segment-index in the current playlist.\n     *\n     * @param {Playlist} playlist\n     *        The playlist that needs a sync-point\n     * @param {Number} duration\n     *        Duration of the MediaSource (Infinite if playing a live source)\n     * @param {Number} currentTimeline\n     *        The last timeline from which a segment was loaded\n     * @returns {Object}\n     *          A sync-point object\n     */\n\n\n    createClass$1(SyncController, [{\n      key: 'getSyncPoint',\n      value: function getSyncPoint(playlist, duration$$1, currentTimeline, currentTime) {\n        var syncPoints = this.runStrategies_(playlist, duration$$1, currentTimeline, currentTime);\n\n        if (!syncPoints.length) {\n          // Signal that we need to attempt to get a sync-point manually\n          // by fetching a segment in the playlist and constructing\n          // a sync-point from that information\n          return null;\n        } // Now find the sync-point that is closest to the currentTime because\n        // that should result in the most accurate guess about which segment\n        // to fetch\n\n\n        return this.selectSyncPoint_(syncPoints, {\n          key: 'time',\n          value: currentTime\n        });\n      }\n      /**\n       * Calculate the amount of time that has expired off the playlist during playback\n       *\n       * @param {Playlist} playlist\n       *        Playlist object to calculate expired from\n       * @param {Number} duration\n       *        Duration of the MediaSource (Infinity if playling a live source)\n       * @returns {Number|null}\n       *          The amount of time that has expired off the playlist during playback. Null\n       *          if no sync-points for the playlist can be found.\n       */\n\n    }, {\n      key: 'getExpiredTime',\n      value: function getExpiredTime(playlist, duration$$1) {\n        if (!playlist || !playlist.segments) {\n          return null;\n        }\n\n        var syncPoints = this.runStrategies_(playlist, duration$$1, playlist.discontinuitySequence, 0); // Without sync-points, there is not enough information to determine the expired time\n\n        if (!syncPoints.length) {\n          return null;\n        }\n\n        var syncPoint = this.selectSyncPoint_(syncPoints, {\n          key: 'segmentIndex',\n          value: 0\n        }); // If the sync-point is beyond the start of the playlist, we want to subtract the\n        // duration from index 0 to syncPoint.segmentIndex instead of adding.\n\n        if (syncPoint.segmentIndex > 0) {\n          syncPoint.time *= -1;\n        }\n\n        return Math.abs(syncPoint.time + sumDurations(playlist, syncPoint.segmentIndex, 0));\n      }\n      /**\n       * Runs each sync-point strategy and returns a list of sync-points returned by the\n       * strategies\n       *\n       * @private\n       * @param {Playlist} playlist\n       *        The playlist that needs a sync-point\n       * @param {Number} duration\n       *        Duration of the MediaSource (Infinity if playing a live source)\n       * @param {Number} currentTimeline\n       *        The last timeline from which a segment was loaded\n       * @returns {Array}\n       *          A list of sync-point objects\n       */\n\n    }, {\n      key: 'runStrategies_',\n      value: function runStrategies_(playlist, duration$$1, currentTimeline, currentTime) {\n        var syncPoints = []; // Try to find a sync-point in by utilizing various strategies...\n\n        for (var i = 0; i < syncPointStrategies.length; i++) {\n          var strategy = syncPointStrategies[i];\n          var syncPoint = strategy.run(this, playlist, duration$$1, currentTimeline, currentTime);\n\n          if (syncPoint) {\n            syncPoint.strategy = strategy.name;\n            syncPoints.push({\n              strategy: strategy.name,\n              syncPoint: syncPoint\n            });\n          }\n        }\n\n        return syncPoints;\n      }\n      /**\n       * Selects the sync-point nearest the specified target\n       *\n       * @private\n       * @param {Array} syncPoints\n       *        List of sync-points to select from\n       * @param {Object} target\n       *        Object specifying the property and value we are targeting\n       * @param {String} target.key\n       *        Specifies the property to target. Must be either 'time' or 'segmentIndex'\n       * @param {Number} target.value\n       *        The value to target for the specified key.\n       * @returns {Object}\n       *          The sync-point nearest the target\n       */\n\n    }, {\n      key: 'selectSyncPoint_',\n      value: function selectSyncPoint_(syncPoints, target) {\n        var bestSyncPoint = syncPoints[0].syncPoint;\n        var bestDistance = Math.abs(syncPoints[0].syncPoint[target.key] - target.value);\n        var bestStrategy = syncPoints[0].strategy;\n\n        for (var i = 1; i < syncPoints.length; i++) {\n          var newDistance = Math.abs(syncPoints[i].syncPoint[target.key] - target.value);\n\n          if (newDistance < bestDistance) {\n            bestDistance = newDistance;\n            bestSyncPoint = syncPoints[i].syncPoint;\n            bestStrategy = syncPoints[i].strategy;\n          }\n        }\n\n        this.logger_('syncPoint for [' + target.key + ': ' + target.value + '] chosen with strategy' + (' [' + bestStrategy + ']: [time:' + bestSyncPoint.time + ',') + (' segmentIndex:' + bestSyncPoint.segmentIndex + ']'));\n        return bestSyncPoint;\n      }\n      /**\n       * Save any meta-data present on the segments when segments leave\n       * the live window to the playlist to allow for synchronization at the\n       * playlist level later.\n       *\n       * @param {Playlist} oldPlaylist - The previous active playlist\n       * @param {Playlist} newPlaylist - The updated and most current playlist\n       */\n\n    }, {\n      key: 'saveExpiredSegmentInfo',\n      value: function saveExpiredSegmentInfo(oldPlaylist, newPlaylist) {\n        var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence; // When a segment expires from the playlist and it has a start time\n        // save that information as a possible sync-point reference in future\n\n        for (var i = mediaSequenceDiff - 1; i >= 0; i--) {\n          var lastRemovedSegment = oldPlaylist.segments[i];\n\n          if (lastRemovedSegment && typeof lastRemovedSegment.start !== 'undefined') {\n            newPlaylist.syncInfo = {\n              mediaSequence: oldPlaylist.mediaSequence + i,\n              time: lastRemovedSegment.start\n            };\n            this.logger_('playlist refresh sync: [time:' + newPlaylist.syncInfo.time + ',' + (' mediaSequence: ' + newPlaylist.syncInfo.mediaSequence + ']'));\n            this.trigger('syncinfoupdate');\n            break;\n          }\n        }\n      }\n      /**\n       * Save the mapping from playlist's ProgramDateTime to display. This should\n       * only ever happen once at the start of playback.\n       *\n       * @param {Playlist} playlist - The currently active playlist\n       */\n\n    }, {\n      key: 'setDateTimeMapping',\n      value: function setDateTimeMapping(playlist) {\n        if (!this.datetimeToDisplayTime && playlist.segments && playlist.segments.length && playlist.segments[0].dateTimeObject) {\n          var playlistTimestamp = playlist.segments[0].dateTimeObject.getTime() / 1000;\n          this.datetimeToDisplayTime = -playlistTimestamp;\n        }\n      }\n      /**\n       * Reset the state of the inspection cache when we do a rendition\n       * switch\n       */\n\n    }, {\n      key: 'reset',\n      value: function reset() {\n        this.inspectCache_ = undefined;\n      }\n      /**\n       * Probe or inspect a fmp4 or an mpeg2-ts segment to determine the start\n       * and end of the segment in it's internal \"media time\". Used to generate\n       * mappings from that internal \"media time\" to the display time that is\n       * shown on the player.\n       *\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       */\n\n    }, {\n      key: 'probeSegmentInfo',\n      value: function probeSegmentInfo(segmentInfo) {\n        var segment = segmentInfo.segment;\n        var playlist = segmentInfo.playlist;\n        var timingInfo = void 0;\n\n        if (segment.map) {\n          timingInfo = this.probeMp4Segment_(segmentInfo);\n        } else {\n          timingInfo = this.probeTsSegment_(segmentInfo);\n        }\n\n        if (timingInfo) {\n          if (this.calculateSegmentTimeMapping_(segmentInfo, timingInfo)) {\n            this.saveDiscontinuitySyncInfo_(segmentInfo); // If the playlist does not have sync information yet, record that information\n            // now with segment timing information\n\n            if (!playlist.syncInfo) {\n              playlist.syncInfo = {\n                mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,\n                time: segment.start\n              };\n            }\n          }\n        }\n\n        return timingInfo;\n      }\n      /**\n       * Probe an fmp4 segment to determine the start of the segment\n       * in it's internal \"composition time\", which is equal to the base\n       * media decode time plus the composition time offset value\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       * @return {object} The start and end time of the current segment in \"composition time\"\n       */\n\n    }, {\n      key: 'probeMp4Segment_',\n      value: function probeMp4Segment_(segmentInfo) {\n        var segment = segmentInfo.segment; // get timescales from init segment\n\n        var timescales = probe.timescale(segment.map.bytes); // calculate composition start time using the timescales and information\n        // contained within the media segment\n\n        var compositionStartTime = probe.compositionStartTime(timescales, segmentInfo.bytes);\n\n        if (segmentInfo.timestampOffset !== null) {\n          segmentInfo.timestampOffset -= compositionStartTime;\n        }\n\n        return {\n          start: compositionStartTime,\n          end: compositionStartTime + segment.duration\n        };\n      }\n      /**\n       * Probe an mpeg2-ts segment to determine the start and end of the segment\n       * in it's internal \"media time\".\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       * @return {object} The start and end time of the current segment in \"media time\"\n       */\n\n    }, {\n      key: 'probeTsSegment_',\n      value: function probeTsSegment_(segmentInfo) {\n        var timeInfo = tsprobe(segmentInfo.bytes, this.inspectCache_);\n        var segmentStartTime = void 0;\n        var segmentEndTime = void 0;\n        var segmentTimestampInfo = void 0;\n\n        if (!timeInfo) {\n          return null;\n        }\n\n        if (timeInfo.video && timeInfo.video.length === 2) {\n          this.inspectCache_ = timeInfo.video[1].dts;\n          segmentStartTime = timeInfo.video[0].dtsTime;\n          segmentEndTime = timeInfo.video[1].dtsTime;\n          segmentTimestampInfo = timeInfo.video;\n        } else if (timeInfo.audio && timeInfo.audio.length === 2) {\n          this.inspectCache_ = timeInfo.audio[1].dts;\n          segmentStartTime = timeInfo.audio[0].dtsTime;\n          segmentEndTime = timeInfo.audio[1].dtsTime;\n          segmentTimestampInfo = timeInfo.audio;\n        }\n\n        var probedInfo = {\n          segmentTimestampInfo: segmentTimestampInfo,\n          start: segmentStartTime,\n          end: segmentEndTime,\n          containsVideo: timeInfo.video && timeInfo.video.length === 2,\n          containsAudio: timeInfo.audio && timeInfo.audio.length === 2\n        };\n        return probedInfo;\n      }\n    }, {\n      key: 'timestampOffsetForTimeline',\n      value: function timestampOffsetForTimeline(timeline) {\n        if (typeof this.timelines[timeline] === 'undefined') {\n          return null;\n        }\n\n        return this.timelines[timeline].time;\n      }\n    }, {\n      key: 'mappingForTimeline',\n      value: function mappingForTimeline(timeline) {\n        if (typeof this.timelines[timeline] === 'undefined') {\n          return null;\n        }\n\n        return this.timelines[timeline].mapping;\n      }\n      /**\n       * Use the \"media time\" for a segment to generate a mapping to \"display time\" and\n       * save that display time to the segment.\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo\n       *        The current active request information\n       * @param {object} timingInfo\n       *        The start and end time of the current segment in \"media time\"\n       * @returns {Boolean}\n       *          Returns false if segment time mapping could not be calculated\n       */\n\n    }, {\n      key: 'calculateSegmentTimeMapping_',\n      value: function calculateSegmentTimeMapping_(segmentInfo, timingInfo) {\n        var segment = segmentInfo.segment;\n        var mappingObj = this.timelines[segmentInfo.timeline];\n\n        if (segmentInfo.timestampOffset !== null) {\n          mappingObj = {\n            time: segmentInfo.startOfSegment,\n            mapping: segmentInfo.startOfSegment - timingInfo.start\n          };\n          this.timelines[segmentInfo.timeline] = mappingObj;\n          this.trigger('timestampoffset');\n          this.logger_('time mapping for timeline ' + segmentInfo.timeline + ': ' + ('[time: ' + mappingObj.time + '] [mapping: ' + mappingObj.mapping + ']'));\n          segment.start = segmentInfo.startOfSegment;\n          segment.end = timingInfo.end + mappingObj.mapping;\n        } else if (mappingObj) {\n          segment.start = timingInfo.start + mappingObj.mapping;\n          segment.end = timingInfo.end + mappingObj.mapping;\n        } else {\n          return false;\n        }\n\n        return true;\n      }\n      /**\n       * Each time we have discontinuity in the playlist, attempt to calculate the location\n       * in display of the start of the discontinuity and save that. We also save an accuracy\n       * value so that we save values with the most accuracy (closest to 0.)\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       */\n\n    }, {\n      key: 'saveDiscontinuitySyncInfo_',\n      value: function saveDiscontinuitySyncInfo_(segmentInfo) {\n        var playlist = segmentInfo.playlist;\n        var segment = segmentInfo.segment; // If the current segment is a discontinuity then we know exactly where\n        // the start of the range and it's accuracy is 0 (greater accuracy values\n        // mean more approximation)\n\n        if (segment.discontinuity) {\n          this.discontinuities[segment.timeline] = {\n            time: segment.start,\n            accuracy: 0\n          };\n        } else if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {\n          // Search for future discontinuities that we can provide better timing\n          // information for and save that information for sync purposes\n          for (var i = 0; i < playlist.discontinuityStarts.length; i++) {\n            var segmentIndex = playlist.discontinuityStarts[i];\n            var discontinuity = playlist.discontinuitySequence + i + 1;\n            var mediaIndexDiff = segmentIndex - segmentInfo.mediaIndex;\n            var accuracy = Math.abs(mediaIndexDiff);\n\n            if (!this.discontinuities[discontinuity] || this.discontinuities[discontinuity].accuracy > accuracy) {\n              var time = void 0;\n\n              if (mediaIndexDiff < 0) {\n                time = segment.start - sumDurations(playlist, segmentInfo.mediaIndex, segmentIndex);\n              } else {\n                time = segment.end + sumDurations(playlist, segmentInfo.mediaIndex + 1, segmentIndex);\n              }\n\n              this.discontinuities[discontinuity] = {\n                time: time,\n                accuracy: accuracy\n              };\n            }\n          }\n        }\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n      }\n    }]);\n    return SyncController;\n  }(videojs$1.EventTarget);\n\n  var Decrypter$1 = new shimWorker(\"./decrypter-worker.worker.js\", function (window, document$$1) {\n    var self = this;\n\n    var decrypterWorker = function () {\n      /*\n       * pkcs7.pad\n       * https://github.com/brightcove/pkcs7\n       *\n       * Copyright (c) 2014 Brightcove\n       * Licensed under the apache2 license.\n       */\n\n      /**\n       * Returns the subarray of a Uint8Array without PKCS#7 padding.\n       * @param padded {Uint8Array} unencrypted bytes that have been padded\n       * @return {Uint8Array} the unpadded bytes\n       * @see http://tools.ietf.org/html/rfc5652\n       */\n      function unpad(padded) {\n        return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);\n      }\n\n      var classCallCheck = function classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n          throw new TypeError(\"Cannot call a class as a function\");\n        }\n      };\n\n      var createClass = function () {\n        function defineProperties(target, props) {\n          for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n          }\n        }\n\n        return function (Constructor, protoProps, staticProps) {\n          if (protoProps) defineProperties(Constructor.prototype, protoProps);\n          if (staticProps) defineProperties(Constructor, staticProps);\n          return Constructor;\n        };\n      }();\n\n      var inherits = function inherits(subClass, superClass) {\n        if (typeof superClass !== \"function\" && superClass !== null) {\n          throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n        }\n\n        subClass.prototype = Object.create(superClass && superClass.prototype, {\n          constructor: {\n            value: subClass,\n            enumerable: false,\n            writable: true,\n            configurable: true\n          }\n        });\n        if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n      };\n\n      var possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n        if (!self) {\n          throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n        }\n\n        return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n      };\n      /**\n       * @file aes.js\n       *\n       * This file contains an adaptation of the AES decryption algorithm\n       * from the Standford Javascript Cryptography Library. That work is\n       * covered by the following copyright and permissions notice:\n       *\n       * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n       * All rights reserved.\n       *\n       * Redistribution and use in source and binary forms, with or without\n       * modification, are permitted provided that the following conditions are\n       * met:\n       *\n       * 1. Redistributions of source code must retain the above copyright\n       *    notice, this list of conditions and the following disclaimer.\n       *\n       * 2. Redistributions in binary form must reproduce the above\n       *    copyright notice, this list of conditions and the following\n       *    disclaimer in the documentation and/or other materials provided\n       *    with the distribution.\n       *\n       * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n       * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n       * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n       * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE\n       * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n       * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n       * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n       * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n       * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n       * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n       * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n       *\n       * The views and conclusions contained in the software and documentation\n       * are those of the authors and should not be interpreted as representing\n       * official policies, either expressed or implied, of the authors.\n       */\n\n      /**\n       * Expand the S-box tables.\n       *\n       * @private\n       */\n\n\n      var precompute = function precompute() {\n        var tables = [[[], [], [], [], []], [[], [], [], [], []]];\n        var encTable = tables[0];\n        var decTable = tables[1];\n        var sbox = encTable[4];\n        var sboxInv = decTable[4];\n        var i = void 0;\n        var x = void 0;\n        var xInv = void 0;\n        var d = [];\n        var th = [];\n        var x2 = void 0;\n        var x4 = void 0;\n        var x8 = void 0;\n        var s = void 0;\n        var tEnc = void 0;\n        var tDec = void 0; // Compute double and third tables\n\n        for (i = 0; i < 256; i++) {\n          th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;\n        }\n\n        for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n          // Compute sbox\n          s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;\n          s = s >> 8 ^ s & 255 ^ 99;\n          sbox[x] = s;\n          sboxInv[s] = x; // Compute MixColumns\n\n          x8 = d[x4 = d[x2 = d[x]]];\n          tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;\n          tEnc = d[s] * 0x101 ^ s * 0x1010100;\n\n          for (i = 0; i < 4; i++) {\n            encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;\n            decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;\n          }\n        } // Compactify. Considerable speedup on Firefox.\n\n\n        for (i = 0; i < 5; i++) {\n          encTable[i] = encTable[i].slice(0);\n          decTable[i] = decTable[i].slice(0);\n        }\n\n        return tables;\n      };\n\n      var aesTables = null;\n      /**\n       * Schedule out an AES key for both encryption and decryption. This\n       * is a low-level class. Use a cipher mode to do bulk encryption.\n       *\n       * @class AES\n       * @param key {Array} The key as an array of 4, 6 or 8 words.\n       */\n\n      var AES = function () {\n        function AES(key) {\n          classCallCheck(this, AES);\n          /**\n           * The expanded S-box and inverse S-box tables. These will be computed\n           * on the client so that we don't have to send them down the wire.\n           *\n           * There are two tables, _tables[0] is for encryption and\n           * _tables[1] is for decryption.\n           *\n           * The first 4 sub-tables are the expanded S-box with MixColumns. The\n           * last (_tables[01][4]) is the S-box itself.\n           *\n           * @private\n           */\n          // if we have yet to precompute the S-box tables\n          // do so now\n\n          if (!aesTables) {\n            aesTables = precompute();\n          } // then make a copy of that object for use\n\n\n          this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];\n          var i = void 0;\n          var j = void 0;\n          var tmp = void 0;\n          var encKey = void 0;\n          var decKey = void 0;\n          var sbox = this._tables[0][4];\n          var decTable = this._tables[1];\n          var keyLen = key.length;\n          var rcon = 1;\n\n          if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n            throw new Error('Invalid aes key size');\n          }\n\n          encKey = key.slice(0);\n          decKey = [];\n          this._key = [encKey, decKey]; // schedule encryption keys\n\n          for (i = keyLen; i < 4 * keyLen + 28; i++) {\n            tmp = encKey[i - 1]; // apply sbox\n\n            if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {\n              tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon\n\n              if (i % keyLen === 0) {\n                tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;\n                rcon = rcon << 1 ^ (rcon >> 7) * 283;\n              }\n            }\n\n            encKey[i] = encKey[i - keyLen] ^ tmp;\n          } // schedule decryption keys\n\n\n          for (j = 0; i; j++, i--) {\n            tmp = encKey[j & 3 ? i : i - 4];\n\n            if (i <= 4 || j < 4) {\n              decKey[j] = tmp;\n            } else {\n              decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];\n            }\n          }\n        }\n        /**\n         * Decrypt 16 bytes, specified as four 32-bit words.\n         *\n         * @param {Number} encrypted0 the first word to decrypt\n         * @param {Number} encrypted1 the second word to decrypt\n         * @param {Number} encrypted2 the third word to decrypt\n         * @param {Number} encrypted3 the fourth word to decrypt\n         * @param {Int32Array} out the array to write the decrypted words\n         * into\n         * @param {Number} offset the offset into the output array to start\n         * writing results\n         * @return {Array} The plaintext.\n         */\n\n\n        AES.prototype.decrypt = function decrypt$$1(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n          var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data\n\n          var a = encrypted0 ^ key[0];\n          var b = encrypted3 ^ key[1];\n          var c = encrypted2 ^ key[2];\n          var d = encrypted1 ^ key[3];\n          var a2 = void 0;\n          var b2 = void 0;\n          var c2 = void 0; // key.length === 2 ?\n\n          var nInnerRounds = key.length / 4 - 2;\n          var i = void 0;\n          var kIndex = 4;\n          var table = this._tables[1]; // load up the tables\n\n          var table0 = table[0];\n          var table1 = table[1];\n          var table2 = table[2];\n          var table3 = table[3];\n          var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.\n\n          for (i = 0; i < nInnerRounds; i++) {\n            a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];\n            b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n            c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n            d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n            kIndex += 4;\n            a = a2;\n            b = b2;\n            c = c2;\n          } // Last round.\n\n\n          for (i = 0; i < 4; i++) {\n            out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];\n            a2 = a;\n            a = b;\n            b = c;\n            c = d;\n            d = a2;\n          }\n        };\n\n        return AES;\n      }();\n      /**\n       * @file stream.js\n       */\n\n      /**\n       * A lightweight readable stream implemention that handles event dispatching.\n       *\n       * @class Stream\n       */\n\n\n      var Stream = function () {\n        function Stream() {\n          classCallCheck(this, Stream);\n          this.listeners = {};\n        }\n        /**\n         * Add a listener for a specified event type.\n         *\n         * @param {String} type the event name\n         * @param {Function} listener the callback to be invoked when an event of\n         * the specified type occurs\n         */\n\n\n        Stream.prototype.on = function on(type, listener) {\n          if (!this.listeners[type]) {\n            this.listeners[type] = [];\n          }\n\n          this.listeners[type].push(listener);\n        };\n        /**\n         * Remove a listener for a specified event type.\n         *\n         * @param {String} type the event name\n         * @param {Function} listener  a function previously registered for this\n         * type of event through `on`\n         * @return {Boolean} if we could turn it off or not\n         */\n\n\n        Stream.prototype.off = function off(type, listener) {\n          if (!this.listeners[type]) {\n            return false;\n          }\n\n          var index = this.listeners[type].indexOf(listener);\n          this.listeners[type].splice(index, 1);\n          return index > -1;\n        };\n        /**\n         * Trigger an event of the specified type on this stream. Any additional\n         * arguments to this function are passed as parameters to event listeners.\n         *\n         * @param {String} type the event name\n         */\n\n\n        Stream.prototype.trigger = function trigger(type) {\n          var callbacks = this.listeners[type];\n\n          if (!callbacks) {\n            return;\n          } // Slicing the arguments on every invocation of this method\n          // can add a significant amount of overhead. Avoid the\n          // intermediate object creation for the common case of a\n          // single callback argument\n\n\n          if (arguments.length === 2) {\n            var length = callbacks.length;\n\n            for (var i = 0; i < length; ++i) {\n              callbacks[i].call(this, arguments[1]);\n            }\n          } else {\n            var args = Array.prototype.slice.call(arguments, 1);\n            var _length = callbacks.length;\n\n            for (var _i = 0; _i < _length; ++_i) {\n              callbacks[_i].apply(this, args);\n            }\n          }\n        };\n        /**\n         * Destroys the stream and cleans up.\n         */\n\n\n        Stream.prototype.dispose = function dispose() {\n          this.listeners = {};\n        };\n        /**\n         * Forwards all `data` events on this stream to the destination stream. The\n         * destination stream should provide a method `push` to receive the data\n         * events as they arrive.\n         *\n         * @param {Stream} destination the stream that will receive all `data` events\n         * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n         */\n\n\n        Stream.prototype.pipe = function pipe(destination) {\n          this.on('data', function (data) {\n            destination.push(data);\n          });\n        };\n\n        return Stream;\n      }();\n      /**\n       * @file async-stream.js\n       */\n\n      /**\n       * A wrapper around the Stream class to use setTiemout\n       * and run stream \"jobs\" Asynchronously\n       *\n       * @class AsyncStream\n       * @extends Stream\n       */\n\n\n      var AsyncStream$$1 = function (_Stream) {\n        inherits(AsyncStream$$1, _Stream);\n\n        function AsyncStream$$1() {\n          classCallCheck(this, AsyncStream$$1);\n\n          var _this = possibleConstructorReturn(this, _Stream.call(this, Stream));\n\n          _this.jobs = [];\n          _this.delay = 1;\n          _this.timeout_ = null;\n          return _this;\n        }\n        /**\n         * process an async job\n         *\n         * @private\n         */\n\n\n        AsyncStream$$1.prototype.processJob_ = function processJob_() {\n          this.jobs.shift()();\n\n          if (this.jobs.length) {\n            this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n          } else {\n            this.timeout_ = null;\n          }\n        };\n        /**\n         * push a job into the stream\n         *\n         * @param {Function} job the job to push into the stream\n         */\n\n\n        AsyncStream$$1.prototype.push = function push(job) {\n          this.jobs.push(job);\n\n          if (!this.timeout_) {\n            this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n          }\n        };\n\n        return AsyncStream$$1;\n      }(Stream);\n      /**\n       * @file decrypter.js\n       *\n       * An asynchronous implementation of AES-128 CBC decryption with\n       * PKCS#7 padding.\n       */\n\n      /**\n       * Convert network-order (big-endian) bytes into their little-endian\n       * representation.\n       */\n\n\n      var ntoh = function ntoh(word) {\n        return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;\n      };\n      /**\n       * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n       *\n       * @param {Uint8Array} encrypted the encrypted bytes\n       * @param {Uint32Array} key the bytes of the decryption key\n       * @param {Uint32Array} initVector the initialization vector (IV) to\n       * use for the first round of CBC.\n       * @return {Uint8Array} the decrypted bytes\n       *\n       * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n       * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n       * @see https://tools.ietf.org/html/rfc2315\n       */\n\n\n      var decrypt$$1 = function decrypt$$1(encrypted, key, initVector) {\n        // word-level access to the encrypted bytes\n        var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);\n        var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output\n\n        var decrypted = new Uint8Array(encrypted.byteLength);\n        var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and\n        // decrypted data\n\n        var init0 = void 0;\n        var init1 = void 0;\n        var init2 = void 0;\n        var init3 = void 0;\n        var encrypted0 = void 0;\n        var encrypted1 = void 0;\n        var encrypted2 = void 0;\n        var encrypted3 = void 0; // iteration variable\n\n        var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the\n        // passed-in reference and easier access\n\n        init0 = initVector[0];\n        init1 = initVector[1];\n        init2 = initVector[2];\n        init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)\n        // to each decrypted block\n\n        for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n          // convert big-endian (network order) words into little-endian\n          // (javascript order)\n          encrypted0 = ntoh(encrypted32[wordIx]);\n          encrypted1 = ntoh(encrypted32[wordIx + 1]);\n          encrypted2 = ntoh(encrypted32[wordIx + 2]);\n          encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block\n\n          decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the\n          // plaintext\n\n          decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);\n          decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);\n          decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);\n          decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round\n\n          init0 = encrypted0;\n          init1 = encrypted1;\n          init2 = encrypted2;\n          init3 = encrypted3;\n        }\n\n        return decrypted;\n      };\n      /**\n       * The `Decrypter` class that manages decryption of AES\n       * data through `AsyncStream` objects and the `decrypt`\n       * function\n       *\n       * @param {Uint8Array} encrypted the encrypted bytes\n       * @param {Uint32Array} key the bytes of the decryption key\n       * @param {Uint32Array} initVector the initialization vector (IV) to\n       * @param {Function} done the function to run when done\n       * @class Decrypter\n       */\n\n\n      var Decrypter$$1 = function () {\n        function Decrypter$$1(encrypted, key, initVector, done) {\n          classCallCheck(this, Decrypter$$1);\n          var step = Decrypter$$1.STEP;\n          var encrypted32 = new Int32Array(encrypted.buffer);\n          var decrypted = new Uint8Array(encrypted.byteLength);\n          var i = 0;\n          this.asyncStream_ = new AsyncStream$$1(); // split up the encryption job and do the individual chunks asynchronously\n\n          this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n\n          for (i = step; i < encrypted32.length; i += step) {\n            initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);\n            this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n          } // invoke the done() callback when everything is finished\n\n\n          this.asyncStream_.push(function () {\n            // remove pkcs#7 padding from the decrypted bytes\n            done(null, unpad(decrypted));\n          });\n        }\n        /**\n         * a getter for step the maximum number of bytes to process at one time\n         *\n         * @return {Number} the value of step 32000\n         */\n\n        /**\n         * @private\n         */\n\n\n        Decrypter$$1.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {\n          return function () {\n            var bytes = decrypt$$1(encrypted, key, initVector);\n            decrypted.set(bytes, encrypted.byteOffset);\n          };\n        };\n\n        createClass(Decrypter$$1, null, [{\n          key: 'STEP',\n          get: function get$$1() {\n            // 4 * 8000;\n            return 32000;\n          }\n        }]);\n        return Decrypter$$1;\n      }();\n      /**\n       * @file bin-utils.js\n       */\n\n      /**\n       * Creates an object for sending to a web worker modifying properties that are TypedArrays\n       * into a new object with seperated properties for the buffer, byteOffset, and byteLength.\n       *\n       * @param {Object} message\n       *        Object of properties and values to send to the web worker\n       * @return {Object}\n       *         Modified message with TypedArray values expanded\n       * @function createTransferableMessage\n       */\n\n\n      var createTransferableMessage = function createTransferableMessage(message) {\n        var transferable = {};\n        Object.keys(message).forEach(function (key) {\n          var value = message[key];\n\n          if (ArrayBuffer.isView(value)) {\n            transferable[key] = {\n              bytes: value.buffer,\n              byteOffset: value.byteOffset,\n              byteLength: value.byteLength\n            };\n          } else {\n            transferable[key] = value;\n          }\n        });\n        return transferable;\n      };\n      /**\n       * Our web worker interface so that things can talk to aes-decrypter\n       * that will be running in a web worker. the scope is passed to this by\n       * webworkify.\n       *\n       * @param {Object} self\n       *        the scope for the web worker\n       */\n\n\n      var DecrypterWorker = function DecrypterWorker(self) {\n        self.onmessage = function (event) {\n          var data = event.data;\n          var encrypted = new Uint8Array(data.encrypted.bytes, data.encrypted.byteOffset, data.encrypted.byteLength);\n          var key = new Uint32Array(data.key.bytes, data.key.byteOffset, data.key.byteLength / 4);\n          var iv = new Uint32Array(data.iv.bytes, data.iv.byteOffset, data.iv.byteLength / 4);\n          /* eslint-disable no-new, handle-callback-err */\n\n          new Decrypter$$1(encrypted, key, iv, function (err, bytes) {\n            self.postMessage(createTransferableMessage({\n              source: data.source,\n              decrypted: bytes\n            }), [bytes.buffer]);\n          });\n          /* eslint-enable */\n        };\n      };\n\n      var decrypterWorker = new DecrypterWorker(self);\n      return decrypterWorker;\n    }();\n  });\n  /**\n   * Convert the properties of an HLS track into an audioTrackKind.\n   *\n   * @private\n   */\n\n  var audioTrackKind_ = function audioTrackKind_(properties) {\n    var kind = properties[\"default\"] ? 'main' : 'alternative';\n\n    if (properties.characteristics && properties.characteristics.indexOf('public.accessibility.describes-video') >= 0) {\n      kind = 'main-desc';\n    }\n\n    return kind;\n  };\n  /**\n   * Pause provided segment loader and playlist loader if active\n   *\n   * @param {SegmentLoader} segmentLoader\n   *        SegmentLoader to pause\n   * @param {Object} mediaType\n   *        Active media type\n   * @function stopLoaders\n   */\n\n\n  var stopLoaders = function stopLoaders(segmentLoader, mediaType) {\n    segmentLoader.abort();\n    segmentLoader.pause();\n\n    if (mediaType && mediaType.activePlaylistLoader) {\n      mediaType.activePlaylistLoader.pause();\n      mediaType.activePlaylistLoader = null;\n    }\n  };\n  /**\n   * Start loading provided segment loader and playlist loader\n   *\n   * @param {PlaylistLoader} playlistLoader\n   *        PlaylistLoader to start loading\n   * @param {Object} mediaType\n   *        Active media type\n   * @function startLoaders\n   */\n\n\n  var startLoaders = function startLoaders(playlistLoader, mediaType) {\n    // Segment loader will be started after `loadedmetadata` or `loadedplaylist` from the\n    // playlist loader\n    mediaType.activePlaylistLoader = playlistLoader;\n    playlistLoader.load();\n  };\n  /**\n   * Returns a function to be called when the media group changes. It performs a\n   * non-destructive (preserve the buffer) resync of the SegmentLoader. This is because a\n   * change of group is merely a rendition switch of the same content at another encoding,\n   * rather than a change of content, such as switching audio from English to Spanish.\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Handler for a non-destructive resync of SegmentLoader when the active media\n   *         group changes.\n   * @function onGroupChanged\n   */\n\n\n  var onGroupChanged = function onGroupChanged(type, settings) {\n    return function () {\n      var _settings$segmentLoad = settings.segmentLoaders,\n          segmentLoader = _settings$segmentLoad[type],\n          mainSegmentLoader = _settings$segmentLoad.main,\n          mediaType = settings.mediaTypes[type];\n      var activeTrack = mediaType.activeTrack();\n      var activeGroup = mediaType.activeGroup(activeTrack);\n      var previousActiveLoader = mediaType.activePlaylistLoader;\n      stopLoaders(segmentLoader, mediaType);\n\n      if (!activeGroup) {\n        // there is no group active\n        return;\n      }\n\n      if (!activeGroup.playlistLoader) {\n        if (previousActiveLoader) {\n          // The previous group had a playlist loader but the new active group does not\n          // this means we are switching from demuxed to muxed audio. In this case we want to\n          // do a destructive reset of the main segment loader and not restart the audio\n          // loaders.\n          mainSegmentLoader.resetEverything();\n        }\n\n        return;\n      } // Non-destructive resync\n\n\n      segmentLoader.resyncLoader();\n      startLoaders(activeGroup.playlistLoader, mediaType);\n    };\n  };\n  /**\n   * Returns a function to be called when the media track changes. It performs a\n   * destructive reset of the SegmentLoader to ensure we start loading as close to\n   * currentTime as possible.\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Handler for a destructive reset of SegmentLoader when the active media\n   *         track changes.\n   * @function onTrackChanged\n   */\n\n\n  var onTrackChanged = function onTrackChanged(type, settings) {\n    return function () {\n      var _settings$segmentLoad2 = settings.segmentLoaders,\n          segmentLoader = _settings$segmentLoad2[type],\n          mainSegmentLoader = _settings$segmentLoad2.main,\n          mediaType = settings.mediaTypes[type];\n      var activeTrack = mediaType.activeTrack();\n      var activeGroup = mediaType.activeGroup(activeTrack);\n      var previousActiveLoader = mediaType.activePlaylistLoader;\n      stopLoaders(segmentLoader, mediaType);\n\n      if (!activeGroup) {\n        // there is no group active so we do not want to restart loaders\n        return;\n      }\n\n      if (!activeGroup.playlistLoader) {\n        // when switching from demuxed audio/video to muxed audio/video (noted by no playlist\n        // loader for the audio group), we want to do a destructive reset of the main segment\n        // loader and not restart the audio loaders\n        mainSegmentLoader.resetEverything();\n        return;\n      }\n\n      if (previousActiveLoader === activeGroup.playlistLoader) {\n        // Nothing has actually changed. This can happen because track change events can fire\n        // multiple times for a \"single\" change. One for enabling the new active track, and\n        // one for disabling the track that was active\n        startLoaders(activeGroup.playlistLoader, mediaType);\n        return;\n      }\n\n      if (segmentLoader.track) {\n        // For WebVTT, set the new text track in the segmentloader\n        segmentLoader.track(activeTrack);\n      } // destructive reset\n\n\n      segmentLoader.resetEverything();\n      startLoaders(activeGroup.playlistLoader, mediaType);\n    };\n  };\n\n  var onError = {\n    /**\n     * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters\n     * an error.\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Error handler. Logs warning (or error if the playlist is blacklisted) to\n     *         console and switches back to default audio track.\n     * @function onError.AUDIO\n     */\n    AUDIO: function AUDIO(type, settings) {\n      return function () {\n        var segmentLoader = settings.segmentLoaders[type],\n            mediaType = settings.mediaTypes[type],\n            blacklistCurrentPlaylist = settings.blacklistCurrentPlaylist;\n        stopLoaders(segmentLoader, mediaType); // switch back to default audio track\n\n        var activeTrack = mediaType.activeTrack();\n        var activeGroup = mediaType.activeGroup();\n        var id = (activeGroup.filter(function (group) {\n          return group[\"default\"];\n        })[0] || activeGroup[0]).id;\n        var defaultTrack = mediaType.tracks[id];\n\n        if (activeTrack === defaultTrack) {\n          // Default track encountered an error. All we can do now is blacklist the current\n          // rendition and hope another will switch audio groups\n          blacklistCurrentPlaylist({\n            message: 'Problem encountered loading the default audio track.'\n          });\n          return;\n        }\n\n        videojs$1.log.warn('Problem encountered loading the alternate audio track.' + 'Switching back to default.');\n\n        for (var trackId in mediaType.tracks) {\n          mediaType.tracks[trackId].enabled = mediaType.tracks[trackId] === defaultTrack;\n        }\n\n        mediaType.onTrackChanged();\n      };\n    },\n\n    /**\n     * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters\n     * an error.\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Error handler. Logs warning to console and disables the active subtitle track\n     * @function onError.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, settings) {\n      return function () {\n        var segmentLoader = settings.segmentLoaders[type],\n            mediaType = settings.mediaTypes[type];\n        videojs$1.log.warn('Problem encountered loading the subtitle track.' + 'Disabling subtitle track.');\n        stopLoaders(segmentLoader, mediaType);\n        var track = mediaType.activeTrack();\n\n        if (track) {\n          track.mode = 'disabled';\n        }\n\n        mediaType.onTrackChanged();\n      };\n    }\n  };\n  var setupListeners = {\n    /**\n     * Setup event listeners for audio playlist loader\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {PlaylistLoader|null} playlistLoader\n     *        PlaylistLoader to register listeners on\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function setupListeners.AUDIO\n     */\n    AUDIO: function AUDIO(type, playlistLoader, settings) {\n      if (!playlistLoader) {\n        // no playlist loader means audio will be muxed with the video\n        return;\n      }\n\n      var tech = settings.tech,\n          requestOptions = settings.requestOptions,\n          segmentLoader = settings.segmentLoaders[type];\n      playlistLoader.on('loadedmetadata', function () {\n        var media = playlistLoader.media();\n        segmentLoader.playlist(media, requestOptions); // if the video is already playing, or if this isn't a live video and preload\n        // permits, start downloading segments\n\n        if (!tech.paused() || media.endList && tech.preload() !== 'none') {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('loadedplaylist', function () {\n        segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running\n\n        if (!tech.paused()) {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup event listeners for subtitle playlist loader\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {PlaylistLoader|null} playlistLoader\n     *        PlaylistLoader to register listeners on\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function setupListeners.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, playlistLoader, settings) {\n      var tech = settings.tech,\n          requestOptions = settings.requestOptions,\n          segmentLoader = settings.segmentLoaders[type],\n          mediaType = settings.mediaTypes[type];\n      playlistLoader.on('loadedmetadata', function () {\n        var media = playlistLoader.media();\n        segmentLoader.playlist(media, requestOptions);\n        segmentLoader.track(mediaType.activeTrack()); // if the video is already playing, or if this isn't a live video and preload\n        // permits, start downloading segments\n\n        if (!tech.paused() || media.endList && tech.preload() !== 'none') {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('loadedplaylist', function () {\n        segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running\n\n        if (!tech.paused()) {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('error', onError[type](type, settings));\n    }\n  };\n  var initialize = {\n    /**\n     * Setup PlaylistLoaders and AudioTracks for the audio groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize.AUDIO\n     */\n    'AUDIO': function AUDIO(type, settings) {\n      var hls = settings.hls,\n          sourceType = settings.sourceType,\n          segmentLoader = settings.segmentLoaders[type],\n          requestOptions = settings.requestOptions,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$ = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$.groups,\n          tracks = _settings$mediaTypes$.tracks,\n          masterPlaylistLoader = settings.masterPlaylistLoader; // force a default if we have none\n\n      if (!mediaGroups[type] || Object.keys(mediaGroups[type]).length === 0) {\n        mediaGroups[type] = {\n          main: {\n            \"default\": {\n              \"default\": true\n            }\n          }\n        };\n      }\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        } // List of playlists that have an AUDIO attribute value matching the current\n        // group ID\n\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          var properties = mediaGroups[type][groupId][variantLabel];\n          var playlistLoader = void 0;\n\n          if (properties.resolvedUri) {\n            playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);\n          } else if (properties.playlists && sourceType === 'dash') {\n            playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);\n          } else {\n            // no resolvedUri means the audio is muxed with the video when using this\n            // audio track\n            playlistLoader = null;\n          }\n\n          properties = videojs$1.mergeOptions({\n            id: variantLabel,\n            playlistLoader: playlistLoader\n          }, properties);\n          setupListeners[type](type, properties.playlistLoader, settings);\n          groups[groupId].push(properties);\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = new videojs$1.AudioTrack({\n              id: variantLabel,\n              kind: audioTrackKind_(properties),\n              enabled: false,\n              language: properties.language,\n              \"default\": properties[\"default\"],\n              label: variantLabel\n            });\n            tracks[variantLabel] = track;\n          }\n        }\n      } // setup single error event handler for the segment loader\n\n\n      segmentLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup PlaylistLoaders and TextTracks for the subtitle groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize.SUBTITLES\n     */\n    'SUBTITLES': function SUBTITLES(type, settings) {\n      var tech = settings.tech,\n          hls = settings.hls,\n          sourceType = settings.sourceType,\n          segmentLoader = settings.segmentLoaders[type],\n          requestOptions = settings.requestOptions,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$2 = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$2.groups,\n          tracks = _settings$mediaTypes$2.tracks,\n          masterPlaylistLoader = settings.masterPlaylistLoader;\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        }\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          if (mediaGroups[type][groupId][variantLabel].forced) {\n            // Subtitle playlists with the forced attribute are not selectable in Safari.\n            // According to Apple's HLS Authoring Specification:\n            //   If content has forced subtitles and regular subtitles in a given language,\n            //   the regular subtitles track in that language MUST contain both the forced\n            //   subtitles and the regular subtitles for that language.\n            // Because of this requirement and that Safari does not add forced subtitles,\n            // forced subtitles are skipped here to maintain consistent experience across\n            // all platforms\n            continue;\n          }\n\n          var properties = mediaGroups[type][groupId][variantLabel];\n          var playlistLoader = void 0;\n\n          if (sourceType === 'hls') {\n            playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);\n          } else if (sourceType === 'dash') {\n            playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);\n          }\n\n          properties = videojs$1.mergeOptions({\n            id: variantLabel,\n            playlistLoader: playlistLoader\n          }, properties);\n          setupListeners[type](type, properties.playlistLoader, settings);\n          groups[groupId].push(properties);\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = tech.addRemoteTextTrack({\n              id: variantLabel,\n              kind: 'subtitles',\n              \"default\": properties[\"default\"] && properties.autoselect,\n              language: properties.language,\n              label: variantLabel\n            }, false).track;\n            tracks[variantLabel] = track;\n          }\n        }\n      } // setup single error event handler for the segment loader\n\n\n      segmentLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup TextTracks for the closed-caption groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize['CLOSED-CAPTIONS']\n     */\n    'CLOSED-CAPTIONS': function CLOSEDCAPTIONS(type, settings) {\n      var tech = settings.tech,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$3 = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$3.groups,\n          tracks = _settings$mediaTypes$3.tracks;\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        }\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          var properties = mediaGroups[type][groupId][variantLabel]; // We only support CEA608 captions for now, so ignore anything that\n          // doesn't use a CCx INSTREAM-ID\n\n          if (!properties.instreamId.match(/CC\\d/)) {\n            continue;\n          } // No PlaylistLoader is required for Closed-Captions because the captions are\n          // embedded within the video stream\n\n\n          groups[groupId].push(videojs$1.mergeOptions({\n            id: variantLabel\n          }, properties));\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = tech.addRemoteTextTrack({\n              id: properties.instreamId,\n              kind: 'captions',\n              \"default\": properties[\"default\"] && properties.autoselect,\n              language: properties.language,\n              label: variantLabel\n            }, false).track;\n            tracks[variantLabel] = track;\n          }\n        }\n      }\n    }\n  };\n  /**\n   * Returns a function used to get the active group of the provided type\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Function that returns the active media group for the provided type. Takes an\n   *         optional parameter {TextTrack} track. If no track is provided, a list of all\n   *         variants in the group, otherwise the variant corresponding to the provided\n   *         track is returned.\n   * @function activeGroup\n   */\n\n  var activeGroup = function activeGroup(type, settings) {\n    return function (track) {\n      var masterPlaylistLoader = settings.masterPlaylistLoader,\n          groups = settings.mediaTypes[type].groups;\n      var media = masterPlaylistLoader.media();\n\n      if (!media) {\n        return null;\n      }\n\n      var variants = null;\n\n      if (media.attributes[type]) {\n        variants = groups[media.attributes[type]];\n      }\n\n      variants = variants || groups.main;\n\n      if (typeof track === 'undefined') {\n        return variants;\n      }\n\n      if (track === null) {\n        // An active track was specified so a corresponding group is expected. track === null\n        // means no track is currently active so there is no corresponding group\n        return null;\n      }\n\n      return variants.filter(function (props) {\n        return props.id === track.id;\n      })[0] || null;\n    };\n  };\n\n  var activeTrack = {\n    /**\n     * Returns a function used to get the active track of type provided\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Function that returns the active media track for the provided type. Returns\n     *         null if no track is active\n     * @function activeTrack.AUDIO\n     */\n    AUDIO: function AUDIO(type, settings) {\n      return function () {\n        var tracks = settings.mediaTypes[type].tracks;\n\n        for (var id in tracks) {\n          if (tracks[id].enabled) {\n            return tracks[id];\n          }\n        }\n\n        return null;\n      };\n    },\n\n    /**\n     * Returns a function used to get the active track of type provided\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Function that returns the active media track for the provided type. Returns\n     *         null if no track is active\n     * @function activeTrack.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, settings) {\n      return function () {\n        var tracks = settings.mediaTypes[type].tracks;\n\n        for (var id in tracks) {\n          if (tracks[id].mode === 'showing' || tracks[id].mode === 'hidden') {\n            return tracks[id];\n          }\n        }\n\n        return null;\n      };\n    }\n  };\n  /**\n   * Setup PlaylistLoaders and Tracks for media groups (Audio, Subtitles,\n   * Closed-Captions) specified in the master manifest.\n   *\n   * @param {Object} settings\n   *        Object containing required information for setting up the media groups\n   * @param {SegmentLoader} settings.segmentLoaders.AUDIO\n   *        Audio segment loader\n   * @param {SegmentLoader} settings.segmentLoaders.SUBTITLES\n   *        Subtitle segment loader\n   * @param {SegmentLoader} settings.segmentLoaders.main\n   *        Main segment loader\n   * @param {Tech} settings.tech\n   *        The tech of the player\n   * @param {Object} settings.requestOptions\n   *        XHR request options used by the segment loaders\n   * @param {PlaylistLoader} settings.masterPlaylistLoader\n   *        PlaylistLoader for the master source\n   * @param {HlsHandler} settings.hls\n   *        HLS SourceHandler\n   * @param {Object} settings.master\n   *        The parsed master manifest\n   * @param {Object} settings.mediaTypes\n   *        Object to store the loaders, tracks, and utility methods for each media type\n   * @param {Function} settings.blacklistCurrentPlaylist\n   *        Blacklists the current rendition and forces a rendition switch.\n   * @function setupMediaGroups\n   */\n\n  var setupMediaGroups = function setupMediaGroups(settings) {\n    ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {\n      initialize[type](type, settings);\n    });\n    var mediaTypes = settings.mediaTypes,\n        masterPlaylistLoader = settings.masterPlaylistLoader,\n        tech = settings.tech,\n        hls = settings.hls; // setup active group and track getters and change event handlers\n\n    ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n      mediaTypes[type].activeGroup = activeGroup(type, settings);\n      mediaTypes[type].activeTrack = activeTrack[type](type, settings);\n      mediaTypes[type].onGroupChanged = onGroupChanged(type, settings);\n      mediaTypes[type].onTrackChanged = onTrackChanged(type, settings);\n    }); // DO NOT enable the default subtitle or caption track.\n    // DO enable the default audio track\n\n    var audioGroup = mediaTypes.AUDIO.activeGroup();\n    var groupId = (audioGroup.filter(function (group) {\n      return group[\"default\"];\n    })[0] || audioGroup[0]).id;\n    mediaTypes.AUDIO.tracks[groupId].enabled = true;\n    mediaTypes.AUDIO.onTrackChanged();\n    masterPlaylistLoader.on('mediachange', function () {\n      ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n        return mediaTypes[type].onGroupChanged();\n      });\n    }); // custom audio track change event handler for usage event\n\n    var onAudioTrackChanged = function onAudioTrackChanged() {\n      mediaTypes.AUDIO.onTrackChanged();\n      tech.trigger({\n        type: 'usage',\n        name: 'hls-audio-change'\n      });\n    };\n\n    tech.audioTracks().addEventListener('change', onAudioTrackChanged);\n    tech.remoteTextTracks().addEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);\n    hls.on('dispose', function () {\n      tech.audioTracks().removeEventListener('change', onAudioTrackChanged);\n      tech.remoteTextTracks().removeEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);\n    }); // clear existing audio tracks and add the ones we just created\n\n    tech.clearTracks('audio');\n\n    for (var id in mediaTypes.AUDIO.tracks) {\n      tech.audioTracks().addTrack(mediaTypes.AUDIO.tracks[id]);\n    }\n  };\n  /**\n   * Creates skeleton object used to store the loaders, tracks, and utility methods for each\n   * media type\n   *\n   * @return {Object}\n   *         Object to store the loaders, tracks, and utility methods for each media type\n   * @function createMediaTypes\n   */\n\n\n  var createMediaTypes = function createMediaTypes() {\n    var mediaTypes = {};\n    ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {\n      mediaTypes[type] = {\n        groups: {},\n        tracks: {},\n        activePlaylistLoader: null,\n        activeGroup: noop$1,\n        activeTrack: noop$1,\n        onGroupChanged: noop$1,\n        onTrackChanged: noop$1\n      };\n    });\n    return mediaTypes;\n  };\n  /**\n   * @file master-playlist-controller.js\n   */\n\n\n  var ABORT_EARLY_BLACKLIST_SECONDS = 60 * 2;\n  var Hls = void 0; // SegmentLoader stats that need to have each loader's\n  // values summed to calculate the final value\n\n  var loaderStats = ['mediaRequests', 'mediaRequestsAborted', 'mediaRequestsTimedout', 'mediaRequestsErrored', 'mediaTransferDuration', 'mediaBytesTransferred'];\n\n  var sumLoaderStat = function sumLoaderStat(stat) {\n    return this.audioSegmentLoader_[stat] + this.mainSegmentLoader_[stat];\n  };\n  /**\n   * the master playlist controller controller all interactons\n   * between playlists and segmentloaders. At this time this mainly\n   * involves a master playlist and a series of audio playlists\n   * if they are available\n   *\n   * @class MasterPlaylistController\n   * @extends videojs.EventTarget\n   */\n\n\n  var MasterPlaylistController = function (_videojs$EventTarget) {\n    inherits$2(MasterPlaylistController, _videojs$EventTarget);\n\n    function MasterPlaylistController(options) {\n      classCallCheck$1(this, MasterPlaylistController);\n\n      var _this = possibleConstructorReturn$1(this, (MasterPlaylistController.__proto__ || Object.getPrototypeOf(MasterPlaylistController)).call(this));\n\n      var url = options.url,\n          handleManifestRedirects = options.handleManifestRedirects,\n          withCredentials = options.withCredentials,\n          tech = options.tech,\n          bandwidth = options.bandwidth,\n          externHls = options.externHls,\n          useCueTags = options.useCueTags,\n          blacklistDuration = options.blacklistDuration,\n          enableLowInitialPlaylist = options.enableLowInitialPlaylist,\n          sourceType = options.sourceType,\n          seekTo = options.seekTo,\n          cacheEncryptionKeys = options.cacheEncryptionKeys;\n\n      if (!url) {\n        throw new Error('A non-empty playlist URL is required');\n      }\n\n      Hls = externHls;\n      _this.withCredentials = withCredentials;\n      _this.tech_ = tech;\n      _this.hls_ = tech.hls;\n      _this.seekTo_ = seekTo;\n      _this.sourceType_ = sourceType;\n      _this.useCueTags_ = useCueTags;\n      _this.blacklistDuration = blacklistDuration;\n      _this.enableLowInitialPlaylist = enableLowInitialPlaylist;\n\n      if (_this.useCueTags_) {\n        _this.cueTagsTrack_ = _this.tech_.addTextTrack('metadata', 'ad-cues');\n        _this.cueTagsTrack_.inBandMetadataTrackDispatchType = '';\n      }\n\n      _this.requestOptions_ = {\n        withCredentials: withCredentials,\n        handleManifestRedirects: handleManifestRedirects,\n        timeout: null\n      };\n      _this.mediaTypes_ = createMediaTypes();\n      _this.mediaSource = new videojs$1.MediaSource(); // load the media source into the player\n\n      _this.mediaSource.addEventListener('sourceopen', _this.handleSourceOpen_.bind(_this));\n\n      _this.seekable_ = videojs$1.createTimeRanges();\n      _this.hasPlayed_ = false;\n      _this.syncController_ = new SyncController(options);\n      _this.segmentMetadataTrack_ = tech.addRemoteTextTrack({\n        kind: 'metadata',\n        label: 'segment-metadata'\n      }, false).track;\n      _this.decrypter_ = new Decrypter$1();\n      _this.inbandTextTracks_ = {};\n      var segmentLoaderSettings = {\n        hls: _this.hls_,\n        mediaSource: _this.mediaSource,\n        currentTime: _this.tech_.currentTime.bind(_this.tech_),\n        seekable: function seekable$$1() {\n          return _this.seekable();\n        },\n        seeking: function seeking() {\n          return _this.tech_.seeking();\n        },\n        duration: function duration$$1() {\n          return _this.mediaSource.duration;\n        },\n        hasPlayed: function hasPlayed() {\n          return _this.hasPlayed_;\n        },\n        goalBufferLength: function goalBufferLength() {\n          return _this.goalBufferLength();\n        },\n        bandwidth: bandwidth,\n        syncController: _this.syncController_,\n        decrypter: _this.decrypter_,\n        sourceType: _this.sourceType_,\n        inbandTextTracks: _this.inbandTextTracks_,\n        cacheEncryptionKeys: cacheEncryptionKeys\n      };\n      _this.masterPlaylistLoader_ = _this.sourceType_ === 'dash' ? new DashPlaylistLoader(url, _this.hls_, _this.requestOptions_) : new PlaylistLoader(url, _this.hls_, _this.requestOptions_);\n\n      _this.setupMasterPlaylistLoaderListeners_(); // setup segment loaders\n      // combined audio/video or just video when alternate audio track is selected\n\n\n      _this.mainSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        segmentMetadataTrack: _this.segmentMetadataTrack_,\n        loaderType: 'main'\n      }), options); // alternate audio track\n\n      _this.audioSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        loaderType: 'audio'\n      }), options);\n      _this.subtitleSegmentLoader_ = new VTTSegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        loaderType: 'vtt',\n        featuresNativeTextTracks: _this.tech_.featuresNativeTextTracks\n      }), options);\n\n      _this.setupSegmentLoaderListeners_(); // Create SegmentLoader stat-getters\n\n\n      loaderStats.forEach(function (stat) {\n        _this[stat + '_'] = sumLoaderStat.bind(_this, stat);\n      });\n      _this.logger_ = logger('MPC');\n\n      _this.masterPlaylistLoader_.load();\n\n      return _this;\n    }\n    /**\n     * Register event handlers on the master playlist loader. A helper\n     * function for construction time.\n     *\n     * @private\n     */\n\n\n    createClass$1(MasterPlaylistController, [{\n      key: 'setupMasterPlaylistLoaderListeners_',\n      value: function setupMasterPlaylistLoaderListeners_() {\n        var _this2 = this;\n\n        this.masterPlaylistLoader_.on('loadedmetadata', function () {\n          var media = _this2.masterPlaylistLoader_.media();\n\n          var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to\n          // timeout the request.\n\n          if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {\n            _this2.requestOptions_.timeout = 0;\n          } else {\n            _this2.requestOptions_.timeout = requestTimeout;\n          } // if this isn't a live video and preload permits, start\n          // downloading segments\n\n\n          if (media.endList && _this2.tech_.preload() !== 'none') {\n            _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);\n\n            _this2.mainSegmentLoader_.load();\n          }\n\n          setupMediaGroups({\n            sourceType: _this2.sourceType_,\n            segmentLoaders: {\n              AUDIO: _this2.audioSegmentLoader_,\n              SUBTITLES: _this2.subtitleSegmentLoader_,\n              main: _this2.mainSegmentLoader_\n            },\n            tech: _this2.tech_,\n            requestOptions: _this2.requestOptions_,\n            masterPlaylistLoader: _this2.masterPlaylistLoader_,\n            hls: _this2.hls_,\n            master: _this2.master(),\n            mediaTypes: _this2.mediaTypes_,\n            blacklistCurrentPlaylist: _this2.blacklistCurrentPlaylist.bind(_this2)\n          });\n\n          _this2.triggerPresenceUsage_(_this2.master(), media);\n\n          try {\n            _this2.setupSourceBuffers_();\n          } catch (e) {\n            videojs$1.log.warn('Failed to create SourceBuffers', e);\n            return _this2.mediaSource.endOfStream('decode');\n          }\n\n          _this2.setupFirstPlay();\n\n          if (!_this2.mediaTypes_.AUDIO.activePlaylistLoader || _this2.mediaTypes_.AUDIO.activePlaylistLoader.media()) {\n            _this2.trigger('selectedinitialmedia');\n          } else {\n            // We must wait for the active audio playlist loader to\n            // finish setting up before triggering this event so the\n            // representations API and EME setup is correct\n            _this2.mediaTypes_.AUDIO.activePlaylistLoader.one('loadedmetadata', function () {\n              _this2.trigger('selectedinitialmedia');\n            });\n          }\n        });\n        this.masterPlaylistLoader_.on('loadedplaylist', function () {\n          var updatedPlaylist = _this2.masterPlaylistLoader_.media();\n\n          if (!updatedPlaylist) {\n            // blacklist any variants that are not supported by the browser before selecting\n            // an initial media as the playlist selectors do not consider browser support\n            _this2.excludeUnsupportedVariants_();\n\n            var selectedMedia = void 0;\n\n            if (_this2.enableLowInitialPlaylist) {\n              selectedMedia = _this2.selectInitialPlaylist();\n            }\n\n            if (!selectedMedia) {\n              selectedMedia = _this2.selectPlaylist();\n            }\n\n            _this2.initialMedia_ = selectedMedia;\n\n            _this2.masterPlaylistLoader_.media(_this2.initialMedia_);\n\n            return;\n          }\n\n          if (_this2.useCueTags_) {\n            _this2.updateAdCues_(updatedPlaylist);\n          } // TODO: Create a new event on the PlaylistLoader that signals\n          // that the segments have changed in some way and use that to\n          // update the SegmentLoader instead of doing it twice here and\n          // on `mediachange`\n\n\n          _this2.mainSegmentLoader_.playlist(updatedPlaylist, _this2.requestOptions_);\n\n          _this2.updateDuration(); // If the player isn't paused, ensure that the segment loader is running,\n          // as it is possible that it was temporarily stopped while waiting for\n          // a playlist (e.g., in case the playlist errored and we re-requested it).\n\n\n          if (!_this2.tech_.paused()) {\n            _this2.mainSegmentLoader_.load();\n\n            if (_this2.audioSegmentLoader_) {\n              _this2.audioSegmentLoader_.load();\n            }\n          }\n\n          if (!updatedPlaylist.endList) {\n            var addSeekableRange = function addSeekableRange() {\n              var seekable$$1 = _this2.seekable();\n\n              if (seekable$$1.length !== 0) {\n                _this2.mediaSource.addSeekableRange_(seekable$$1.start(0), seekable$$1.end(0));\n              }\n            };\n\n            if (_this2.duration() !== Infinity) {\n              var onDurationchange = function onDurationchange() {\n                if (_this2.duration() === Infinity) {\n                  addSeekableRange();\n                } else {\n                  _this2.tech_.one('durationchange', onDurationchange);\n                }\n              };\n\n              _this2.tech_.one('durationchange', onDurationchange);\n            } else {\n              addSeekableRange();\n            }\n          }\n        });\n        this.masterPlaylistLoader_.on('error', function () {\n          _this2.blacklistCurrentPlaylist(_this2.masterPlaylistLoader_.error);\n        });\n        this.masterPlaylistLoader_.on('mediachanging', function () {\n          _this2.mainSegmentLoader_.abort();\n\n          _this2.mainSegmentLoader_.pause();\n        });\n        this.masterPlaylistLoader_.on('mediachange', function () {\n          var media = _this2.masterPlaylistLoader_.media();\n\n          var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to\n          // timeout the request.\n\n          if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {\n            _this2.requestOptions_.timeout = 0;\n          } else {\n            _this2.requestOptions_.timeout = requestTimeout;\n          } // TODO: Create a new event on the PlaylistLoader that signals\n          // that the segments have changed in some way and use that to\n          // update the SegmentLoader instead of doing it twice here and\n          // on `loadedplaylist`\n\n\n          _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);\n\n          _this2.mainSegmentLoader_.load();\n\n          _this2.tech_.trigger({\n            type: 'mediachange',\n            bubbles: true\n          });\n        });\n        this.masterPlaylistLoader_.on('playlistunchanged', function () {\n          var updatedPlaylist = _this2.masterPlaylistLoader_.media();\n\n          var playlistOutdated = _this2.stuckAtPlaylistEnd_(updatedPlaylist);\n\n          if (playlistOutdated) {\n            // Playlist has stopped updating and we're stuck at its end. Try to\n            // blacklist it and switch to another playlist in the hope that that\n            // one is updating (and give the player a chance to re-adjust to the\n            // safe live point).\n            _this2.blacklistCurrentPlaylist({\n              message: 'Playlist no longer updating.'\n            }); // useful for monitoring QoS\n\n\n            _this2.tech_.trigger('playliststuck');\n          }\n        });\n        this.masterPlaylistLoader_.on('renditiondisabled', function () {\n          _this2.tech_.trigger({\n            type: 'usage',\n            name: 'hls-rendition-disabled'\n          });\n        });\n        this.masterPlaylistLoader_.on('renditionenabled', function () {\n          _this2.tech_.trigger({\n            type: 'usage',\n            name: 'hls-rendition-enabled'\n          });\n        });\n      }\n      /**\n       * A helper function for triggerring presence usage events once per source\n       *\n       * @private\n       */\n\n    }, {\n      key: 'triggerPresenceUsage_',\n      value: function triggerPresenceUsage_(master, media) {\n        var mediaGroups = master.mediaGroups || {};\n        var defaultDemuxed = true;\n        var audioGroupKeys = Object.keys(mediaGroups.AUDIO);\n\n        for (var mediaGroup in mediaGroups.AUDIO) {\n          for (var label in mediaGroups.AUDIO[mediaGroup]) {\n            var properties = mediaGroups.AUDIO[mediaGroup][label];\n\n            if (!properties.uri) {\n              defaultDemuxed = false;\n            }\n          }\n        }\n\n        if (defaultDemuxed) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-demuxed'\n          });\n        }\n\n        if (Object.keys(mediaGroups.SUBTITLES).length) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-webvtt'\n          });\n        }\n\n        if (Hls.Playlist.isAes(media)) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-aes'\n          });\n        }\n\n        if (Hls.Playlist.isFmp4(media)) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-fmp4'\n          });\n        }\n\n        if (audioGroupKeys.length && Object.keys(mediaGroups.AUDIO[audioGroupKeys[0]]).length > 1) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-alternate-audio'\n          });\n        }\n\n        if (this.useCueTags_) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-playlist-cue-tags'\n          });\n        }\n      }\n      /**\n       * Register event handlers on the segment loaders. A helper function\n       * for construction time.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'setupSegmentLoaderListeners_',\n      value: function setupSegmentLoaderListeners_() {\n        var _this3 = this;\n\n        this.mainSegmentLoader_.on('bandwidthupdate', function () {\n          var nextPlaylist = _this3.selectPlaylist();\n\n          var currentPlaylist = _this3.masterPlaylistLoader_.media();\n\n          var buffered = _this3.tech_.buffered();\n\n          var forwardBuffer = buffered.length ? buffered.end(buffered.length - 1) - _this3.tech_.currentTime() : 0;\n\n          var bufferLowWaterLine = _this3.bufferLowWaterLine(); // If the playlist is live, then we want to not take low water line into account.\n          // This is because in LIVE, the player plays 3 segments from the end of the\n          // playlist, and if `BUFFER_LOW_WATER_LINE` is greater than the duration availble\n          // in those segments, a viewer will never experience a rendition upswitch.\n\n\n          if (!currentPlaylist.endList || // For the same reason as LIVE, we ignore the low water line when the VOD\n          // duration is below the max potential low water line\n          _this3.duration() < Config.MAX_BUFFER_LOW_WATER_LINE || // we want to switch down to lower resolutions quickly to continue playback, but\n          nextPlaylist.attributes.BANDWIDTH < currentPlaylist.attributes.BANDWIDTH || // ensure we have some buffer before we switch up to prevent us running out of\n          // buffer while loading a higher rendition.\n          forwardBuffer >= bufferLowWaterLine) {\n            _this3.masterPlaylistLoader_.media(nextPlaylist);\n          }\n\n          _this3.tech_.trigger('bandwidthupdate');\n        });\n        this.mainSegmentLoader_.on('progress', function () {\n          _this3.trigger('progress');\n        });\n        this.mainSegmentLoader_.on('error', function () {\n          _this3.blacklistCurrentPlaylist(_this3.mainSegmentLoader_.error());\n        });\n        this.mainSegmentLoader_.on('syncinfoupdate', function () {\n          _this3.onSyncInfoUpdate_();\n        });\n        this.mainSegmentLoader_.on('timestampoffset', function () {\n          _this3.tech_.trigger({\n            type: 'usage',\n            name: 'hls-timestamp-offset'\n          });\n        });\n        this.audioSegmentLoader_.on('syncinfoupdate', function () {\n          _this3.onSyncInfoUpdate_();\n        });\n        this.mainSegmentLoader_.on('ended', function () {\n          _this3.onEndOfStream();\n        });\n        this.mainSegmentLoader_.on('earlyabort', function () {\n          _this3.blacklistCurrentPlaylist({\n            message: 'Aborted early because there isn\\'t enough bandwidth to complete the ' + 'request without rebuffering.'\n          }, ABORT_EARLY_BLACKLIST_SECONDS);\n        });\n        this.mainSegmentLoader_.on('reseteverything', function () {\n          // If playing an MTS stream, a videojs.MediaSource is listening for\n          // hls-reset to reset caption parsing state in the transmuxer\n          _this3.tech_.trigger('hls-reset');\n        });\n        this.mainSegmentLoader_.on('segmenttimemapping', function (event) {\n          // If playing an MTS stream in html, a videojs.MediaSource is listening for\n          // hls-segment-time-mapping update its internal mapping of stream to display time\n          _this3.tech_.trigger({\n            type: 'hls-segment-time-mapping',\n            mapping: event.mapping\n          });\n        });\n        this.audioSegmentLoader_.on('ended', function () {\n          _this3.onEndOfStream();\n        });\n      }\n    }, {\n      key: 'mediaSecondsLoaded_',\n      value: function mediaSecondsLoaded_() {\n        return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded + this.mainSegmentLoader_.mediaSecondsLoaded);\n      }\n      /**\n       * Call load on our SegmentLoaders\n       */\n\n    }, {\n      key: 'load',\n      value: function load() {\n        this.mainSegmentLoader_.load();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.load();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.load();\n        }\n      }\n      /**\n       * Re-tune playback quality level for the current player\n       * conditions without performing destructive actions, like\n       * removing already buffered content\n       *\n       * @private\n       */\n\n    }, {\n      key: 'smoothQualityChange_',\n      value: function smoothQualityChange_() {\n        var media = this.selectPlaylist();\n\n        if (media !== this.masterPlaylistLoader_.media()) {\n          this.masterPlaylistLoader_.media(media);\n          this.mainSegmentLoader_.resetLoader(); // don't need to reset audio as it is reset when media changes\n        }\n      }\n      /**\n       * Re-tune playback quality level for the current player\n       * conditions. This method will perform destructive actions like removing\n       * already buffered content in order to readjust the currently active\n       * playlist quickly. This is good for manual quality changes\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fastQualityChange_',\n      value: function fastQualityChange_() {\n        var _this4 = this;\n\n        var media = this.selectPlaylist();\n\n        if (media === this.masterPlaylistLoader_.media()) {\n          return;\n        }\n\n        this.masterPlaylistLoader_.media(media); // Delete all buffered data to allow an immediate quality switch, then seek to give\n        // the browser a kick to remove any cached frames from the previous rendtion (.04 seconds\n        // ahead is roughly the minimum that will accomplish this across a variety of content\n        // in IE and Edge, but seeking in place is sufficient on all other browsers)\n        // Edge/IE bug: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/14600375/\n        // Chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=651904\n\n        this.mainSegmentLoader_.resetEverything(function () {\n          // Since this is not a typical seek, we avoid the seekTo method which can cause segments\n          // from the previously enabled rendition to load before the new playlist has finished loading\n          if (videojs$1.browser.IE_VERSION || videojs$1.browser.IS_EDGE) {\n            _this4.tech_.setCurrentTime(_this4.tech_.currentTime() + 0.04);\n          } else {\n            _this4.tech_.setCurrentTime(_this4.tech_.currentTime());\n          }\n        }); // don't need to reset audio as it is reset when media changes\n      }\n      /**\n       * Begin playback.\n       */\n\n    }, {\n      key: 'play',\n      value: function play() {\n        if (this.setupFirstPlay()) {\n          return;\n        }\n\n        if (this.tech_.ended()) {\n          this.seekTo_(0);\n        }\n\n        if (this.hasPlayed_) {\n          this.load();\n        }\n\n        var seekable$$1 = this.tech_.seekable(); // if the viewer has paused and we fell out of the live window,\n        // seek forward to the live point\n\n        if (this.tech_.duration() === Infinity) {\n          if (this.tech_.currentTime() < seekable$$1.start(0)) {\n            return this.seekTo_(seekable$$1.end(seekable$$1.length - 1));\n          }\n        }\n      }\n      /**\n       * Seek to the latest media position if this is a live video and the\n       * player and video are loaded and initialized.\n       */\n\n    }, {\n      key: 'setupFirstPlay',\n      value: function setupFirstPlay() {\n        var _this5 = this;\n\n        var media = this.masterPlaylistLoader_.media(); // Check that everything is ready to begin buffering for the first call to play\n        //  If 1) there is no active media\n        //     2) the player is paused\n        //     3) the first play has already been setup\n        // then exit early\n\n        if (!media || this.tech_.paused() || this.hasPlayed_) {\n          return false;\n        } // when the video is a live stream\n\n\n        if (!media.endList) {\n          var seekable$$1 = this.seekable();\n\n          if (!seekable$$1.length) {\n            // without a seekable range, the player cannot seek to begin buffering at the live\n            // point\n            return false;\n          }\n\n          if (videojs$1.browser.IE_VERSION && this.tech_.readyState() === 0) {\n            // IE11 throws an InvalidStateError if you try to set currentTime while the\n            // readyState is 0, so it must be delayed until the tech fires loadedmetadata.\n            this.tech_.one('loadedmetadata', function () {\n              _this5.trigger('firstplay');\n\n              _this5.seekTo_(seekable$$1.end(0));\n\n              _this5.hasPlayed_ = true;\n            });\n            return false;\n          } // trigger firstplay to inform the source handler to ignore the next seek event\n\n\n          this.trigger('firstplay'); // seek to the live point\n\n          this.seekTo_(seekable$$1.end(0));\n        }\n\n        this.hasPlayed_ = true; // we can begin loading now that everything is ready\n\n        this.load();\n        return true;\n      }\n      /**\n       * handle the sourceopen event on the MediaSource\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSourceOpen_',\n      value: function handleSourceOpen_() {\n        // Only attempt to create the source buffer if none already exist.\n        // handleSourceOpen is also called when we are \"re-opening\" a source buffer\n        // after `endOfStream` has been called (in response to a seek for instance)\n        try {\n          this.setupSourceBuffers_();\n        } catch (e) {\n          videojs$1.log.warn('Failed to create Source Buffers', e);\n          return this.mediaSource.endOfStream('decode');\n        } // if autoplay is enabled, begin playback. This is duplicative of\n        // code in video.js but is required because play() must be invoked\n        // *after* the media source has opened.\n\n\n        if (this.tech_.autoplay()) {\n          var playPromise = this.tech_.play(); // Catch/silence error when a pause interrupts a play request\n          // on browsers which return a promise\n\n          if (typeof playPromise !== 'undefined' && typeof playPromise.then === 'function') {\n            playPromise.then(null, function (e) {});\n          }\n        }\n\n        this.trigger('sourceopen');\n      }\n      /**\n       * Calls endOfStream on the media source when all active stream types have called\n       * endOfStream\n       *\n       * @param {string} streamType\n       *        Stream type of the segment loader that called endOfStream\n       * @private\n       */\n\n    }, {\n      key: 'onEndOfStream',\n      value: function onEndOfStream() {\n        var isEndOfStream = this.mainSegmentLoader_.ended_;\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          // if the audio playlist loader exists, then alternate audio is active\n          if (!this.mainSegmentLoader_.startingMedia_ || this.mainSegmentLoader_.startingMedia_.containsVideo) {\n            // if we do not know if the main segment loader contains video yet or if we\n            // definitively know the main segment loader contains video, then we need to wait\n            // for both main and audio segment loaders to call endOfStream\n            isEndOfStream = isEndOfStream && this.audioSegmentLoader_.ended_;\n          } else {\n            // otherwise just rely on the audio loader\n            isEndOfStream = this.audioSegmentLoader_.ended_;\n          }\n        }\n\n        if (!isEndOfStream) {\n          return;\n        }\n\n        this.logger_('calling mediaSource.endOfStream()'); // on chrome calling endOfStream can sometimes cause an exception,\n        // even when the media source is in a valid state.\n\n        try {\n          this.mediaSource.endOfStream();\n        } catch (e) {\n          videojs$1.log.warn('Failed to call media source endOfStream', e);\n        }\n      }\n      /**\n       * Check if a playlist has stopped being updated\n       * @param {Object} playlist the media playlist object\n       * @return {boolean} whether the playlist has stopped being updated or not\n       */\n\n    }, {\n      key: 'stuckAtPlaylistEnd_',\n      value: function stuckAtPlaylistEnd_(playlist) {\n        var seekable$$1 = this.seekable();\n\n        if (!seekable$$1.length) {\n          // playlist doesn't have enough information to determine whether we are stuck\n          return false;\n        }\n\n        var expired = this.syncController_.getExpiredTime(playlist, this.mediaSource.duration);\n\n        if (expired === null) {\n          return false;\n        } // does not use the safe live end to calculate playlist end, since we\n        // don't want to say we are stuck while there is still content\n\n\n        var absolutePlaylistEnd = Hls.Playlist.playlistEnd(playlist, expired);\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n\n        if (!buffered.length) {\n          // return true if the playhead reached the absolute end of the playlist\n          return absolutePlaylistEnd - currentTime <= SAFE_TIME_DELTA;\n        }\n\n        var bufferedEnd = buffered.end(buffered.length - 1); // return true if there is too little buffer left and buffer has reached absolute\n        // end of playlist\n\n        return bufferedEnd - currentTime <= SAFE_TIME_DELTA && absolutePlaylistEnd - bufferedEnd <= SAFE_TIME_DELTA;\n      }\n      /**\n       * Blacklists a playlist when an error occurs for a set amount of time\n       * making it unavailable for selection by the rendition selection algorithm\n       * and then forces a new playlist (rendition) selection.\n       *\n       * @param {Object=} error an optional error that may include the playlist\n       * to blacklist\n       * @param {Number=} blacklistDuration an optional number of seconds to blacklist the\n       * playlist\n       */\n\n    }, {\n      key: 'blacklistCurrentPlaylist',\n      value: function blacklistCurrentPlaylist() {\n        var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n        var blacklistDuration = arguments[1];\n        var currentPlaylist = void 0;\n        var nextPlaylist = void 0; // If the `error` was generated by the playlist loader, it will contain\n        // the playlist we were trying to load (but failed) and that should be\n        // blacklisted instead of the currently selected playlist which is likely\n        // out-of-date in this scenario\n\n        currentPlaylist = error.playlist || this.masterPlaylistLoader_.media();\n        blacklistDuration = blacklistDuration || error.blacklistDuration || this.blacklistDuration; // If there is no current playlist, then an error occurred while we were\n        // trying to load the master OR while we were disposing of the tech\n\n        if (!currentPlaylist) {\n          this.error = error;\n\n          try {\n            return this.mediaSource.endOfStream('network');\n          } catch (e) {\n            return this.trigger('error');\n          }\n        }\n\n        var isFinalRendition = this.masterPlaylistLoader_.master.playlists.filter(isEnabled).length === 1;\n        var playlists = this.masterPlaylistLoader_.master.playlists;\n\n        if (playlists.length === 1) {\n          // Never blacklisting this playlist because it's the only playlist\n          videojs$1.log.warn('Problem encountered with the current ' + 'HLS playlist. Trying again since it is the only playlist.');\n          this.tech_.trigger('retryplaylist');\n          return this.masterPlaylistLoader_.load(isFinalRendition);\n        }\n\n        if (isFinalRendition) {\n          // Since we're on the final non-blacklisted playlist, and we're about to blacklist\n          // it, instead of erring the player or retrying this playlist, clear out the current\n          // blacklist. This allows other playlists to be attempted in case any have been\n          // fixed.\n          videojs$1.log.warn('Removing all playlists from the blacklist because the last ' + 'rendition is about to be blacklisted.');\n          playlists.forEach(function (playlist) {\n            if (playlist.excludeUntil !== Infinity) {\n              delete playlist.excludeUntil;\n            }\n          }); // Technically we are retrying a playlist, in that we are simply retrying a previous\n          // playlist. This is needed for users relying on the retryplaylist event to catch a\n          // case where the player might be stuck and looping through \"dead\" playlists.\n\n          this.tech_.trigger('retryplaylist');\n        } // Blacklist this playlist\n\n\n        currentPlaylist.excludeUntil = Date.now() + blacklistDuration * 1000;\n        this.tech_.trigger('blacklistplaylist');\n        this.tech_.trigger({\n          type: 'usage',\n          name: 'hls-rendition-blacklisted'\n        }); // Select a new playlist\n\n        nextPlaylist = this.selectPlaylist();\n        videojs$1.log.warn('Problem encountered with the current HLS playlist.' + (error.message ? ' ' + error.message : '') + ' Switching to another playlist.');\n        return this.masterPlaylistLoader_.media(nextPlaylist, isFinalRendition);\n      }\n      /**\n       * Pause all segment loaders\n       */\n\n    }, {\n      key: 'pauseLoading',\n      value: function pauseLoading() {\n        this.mainSegmentLoader_.pause();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.pause();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.pause();\n        }\n      }\n      /**\n       * set the current time on all segment loaders\n       *\n       * @param {TimeRange} currentTime the current time to set\n       * @return {TimeRange} the current time\n       */\n\n    }, {\n      key: 'setCurrentTime',\n      value: function setCurrentTime(currentTime) {\n        var buffered = findRange(this.tech_.buffered(), currentTime);\n\n        if (!(this.masterPlaylistLoader_ && this.masterPlaylistLoader_.media())) {\n          // return immediately if the metadata is not ready yet\n          return 0;\n        } // it's clearly an edge-case but don't thrown an error if asked to\n        // seek within an empty playlist\n\n\n        if (!this.masterPlaylistLoader_.media().segments) {\n          return 0;\n        } // In flash playback, the segment loaders should be reset on every seek, even\n        // in buffer seeks. If the seek location is already buffered, continue buffering as\n        // usual\n        // TODO: redo this comment\n\n\n        if (buffered && buffered.length) {\n          return currentTime;\n        } // cancel outstanding requests so we begin buffering at the new\n        // location\n\n\n        this.mainSegmentLoader_.resetEverything();\n        this.mainSegmentLoader_.abort();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.resetEverything();\n          this.audioSegmentLoader_.abort();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.resetEverything();\n          this.subtitleSegmentLoader_.abort();\n        } // start segment loader loading in case they are paused\n\n\n        this.load();\n      }\n      /**\n       * get the current duration\n       *\n       * @return {TimeRange} the duration\n       */\n\n    }, {\n      key: 'duration',\n      value: function duration$$1() {\n        if (!this.masterPlaylistLoader_) {\n          return 0;\n        }\n\n        if (this.mediaSource) {\n          return this.mediaSource.duration;\n        }\n\n        return Hls.Playlist.duration(this.masterPlaylistLoader_.media());\n      }\n      /**\n       * check the seekable range\n       *\n       * @return {TimeRange} the seekable range\n       */\n\n    }, {\n      key: 'seekable',\n      value: function seekable$$1() {\n        return this.seekable_;\n      }\n    }, {\n      key: 'onSyncInfoUpdate_',\n      value: function onSyncInfoUpdate_() {\n        var audioSeekable = void 0;\n\n        if (!this.masterPlaylistLoader_) {\n          return;\n        }\n\n        var media = this.masterPlaylistLoader_.media();\n\n        if (!media) {\n          return;\n        }\n\n        var expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);\n\n        if (expired === null) {\n          // not enough information to update seekable\n          return;\n        }\n\n        var suggestedPresentationDelay = this.masterPlaylistLoader_.master.suggestedPresentationDelay;\n        var mainSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);\n\n        if (mainSeekable.length === 0) {\n          return;\n        }\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          media = this.mediaTypes_.AUDIO.activePlaylistLoader.media();\n          expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);\n\n          if (expired === null) {\n            return;\n          }\n\n          audioSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);\n\n          if (audioSeekable.length === 0) {\n            return;\n          }\n        }\n\n        var oldEnd = void 0;\n        var oldStart = void 0;\n\n        if (this.seekable_ && this.seekable_.length) {\n          oldEnd = this.seekable_.end(0);\n          oldStart = this.seekable_.start(0);\n        }\n\n        if (!audioSeekable) {\n          // seekable has been calculated based on buffering video data so it\n          // can be returned directly\n          this.seekable_ = mainSeekable;\n        } else if (audioSeekable.start(0) > mainSeekable.end(0) || mainSeekable.start(0) > audioSeekable.end(0)) {\n          // seekables are pretty far off, rely on main\n          this.seekable_ = mainSeekable;\n        } else {\n          this.seekable_ = videojs$1.createTimeRanges([[audioSeekable.start(0) > mainSeekable.start(0) ? audioSeekable.start(0) : mainSeekable.start(0), audioSeekable.end(0) < mainSeekable.end(0) ? audioSeekable.end(0) : mainSeekable.end(0)]]);\n        } // seekable is the same as last time\n\n\n        if (this.seekable_ && this.seekable_.length) {\n          if (this.seekable_.end(0) === oldEnd && this.seekable_.start(0) === oldStart) {\n            return;\n          }\n        }\n\n        this.logger_('seekable updated [' + printableRange(this.seekable_) + ']');\n        this.tech_.trigger('seekablechanged');\n      }\n      /**\n       * Update the player duration\n       */\n\n    }, {\n      key: 'updateDuration',\n      value: function updateDuration() {\n        var _this6 = this;\n\n        var oldDuration = this.mediaSource.duration;\n        var newDuration = Hls.Playlist.duration(this.masterPlaylistLoader_.media());\n        var buffered = this.tech_.buffered();\n\n        var setDuration = function setDuration() {\n          // on firefox setting the duration may sometimes cause an exception\n          // even if the media source is open and source buffers are not\n          // updating, something about the media source being in an invalid state.\n          _this6.logger_('Setting duration from ' + _this6.mediaSource.duration + ' => ' + newDuration);\n\n          try {\n            _this6.mediaSource.duration = newDuration;\n          } catch (e) {\n            videojs$1.log.warn('Failed to set media source duration', e);\n          }\n\n          _this6.tech_.trigger('durationchange');\n\n          _this6.mediaSource.removeEventListener('sourceopen', setDuration);\n        };\n\n        if (buffered.length > 0) {\n          newDuration = Math.max(newDuration, buffered.end(buffered.length - 1));\n        } // if the duration has changed, invalidate the cached value\n\n\n        if (oldDuration !== newDuration) {\n          // update the duration\n          if (this.mediaSource.readyState !== 'open') {\n            this.mediaSource.addEventListener('sourceopen', setDuration);\n          } else {\n            setDuration();\n          }\n        }\n      }\n      /**\n       * dispose of the MasterPlaylistController and everything\n       * that it controls\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        var _this7 = this;\n\n        this.trigger('dispose');\n        this.decrypter_.terminate();\n        this.masterPlaylistLoader_.dispose();\n        this.mainSegmentLoader_.dispose();\n        ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n          var groups = _this7.mediaTypes_[type].groups;\n\n          for (var id in groups) {\n            groups[id].forEach(function (group) {\n              if (group.playlistLoader) {\n                group.playlistLoader.dispose();\n              }\n            });\n          }\n        });\n        this.audioSegmentLoader_.dispose();\n        this.subtitleSegmentLoader_.dispose();\n        this.off();\n\n        if (this.mediaSource.dispose) {\n          this.mediaSource.dispose();\n        }\n      }\n      /**\n       * return the master playlist object if we have one\n       *\n       * @return {Object} the master playlist object that we parsed\n       */\n\n    }, {\n      key: 'master',\n      value: function master() {\n        return this.masterPlaylistLoader_.master;\n      }\n      /**\n       * return the currently selected playlist\n       *\n       * @return {Object} the currently selected playlist object that we parsed\n       */\n\n    }, {\n      key: 'media',\n      value: function media() {\n        // playlist loader will not return media if it has not been fully loaded\n        return this.masterPlaylistLoader_.media() || this.initialMedia_;\n      }\n      /**\n       * setup our internal source buffers on our segment Loaders\n       *\n       * @private\n       */\n\n    }, {\n      key: 'setupSourceBuffers_',\n      value: function setupSourceBuffers_() {\n        var media = this.masterPlaylistLoader_.media();\n        var mimeTypes = void 0; // wait until a media playlist is available and the Media Source is\n        // attached\n\n        if (!media || this.mediaSource.readyState !== 'open') {\n          return;\n        }\n\n        mimeTypes = mimeTypesForPlaylist(this.masterPlaylistLoader_.master, media);\n\n        if (mimeTypes.length < 1) {\n          this.error = 'No compatible SourceBuffer configuration for the variant stream:' + media.resolvedUri;\n          return this.mediaSource.endOfStream('decode');\n        }\n\n        this.configureLoaderMimeTypes_(mimeTypes); // exclude any incompatible variant streams from future playlist\n        // selection\n\n        this.excludeIncompatibleVariants_(media);\n      }\n    }, {\n      key: 'configureLoaderMimeTypes_',\n      value: function configureLoaderMimeTypes_(mimeTypes) {\n        // If the content is demuxed, we can't start appending segments to a source buffer\n        // until both source buffers are set up, or else the browser may not let us add the\n        // second source buffer (it will assume we are playing either audio only or video\n        // only).\n        var sourceBufferEmitter = // If there is more than one mime type\n        mimeTypes.length > 1 && // and the first mime type does not have muxed video and audio\n        mimeTypes[0].indexOf(',') === -1 && // and the two mime types are different (they can be the same in the case of audio\n        // only with alternate audio)\n        mimeTypes[0] !== mimeTypes[1] ? // then we want to wait on the second source buffer\n        new videojs$1.EventTarget() : // otherwise there is no need to wait as the content is either audio only,\n        // video only, or muxed content.\n        null;\n        this.mainSegmentLoader_.mimeType(mimeTypes[0], sourceBufferEmitter);\n\n        if (mimeTypes[1]) {\n          this.audioSegmentLoader_.mimeType(mimeTypes[1], sourceBufferEmitter);\n        }\n      }\n      /**\n       * Blacklists playlists with codecs that are unsupported by the browser.\n       */\n\n    }, {\n      key: 'excludeUnsupportedVariants_',\n      value: function excludeUnsupportedVariants_() {\n        this.master().playlists.forEach(function (variant) {\n          if (variant.attributes.CODECS && window$3.MediaSource && window$3.MediaSource.isTypeSupported && !window$3.MediaSource.isTypeSupported('video/mp4; codecs=\"' + mapLegacyAvcCodecs(variant.attributes.CODECS) + '\"')) {\n            variant.excludeUntil = Infinity;\n          }\n        });\n      }\n      /**\n       * Blacklist playlists that are known to be codec or\n       * stream-incompatible with the SourceBuffer configuration. For\n       * instance, Media Source Extensions would cause the video element to\n       * stall waiting for video data if you switched from a variant with\n       * video and audio to an audio-only one.\n       *\n       * @param {Object} media a media playlist compatible with the current\n       * set of SourceBuffers. Variants in the current master playlist that\n       * do not appear to have compatible codec or stream configurations\n       * will be excluded from the default playlist selection algorithm\n       * indefinitely.\n       * @private\n       */\n\n    }, {\n      key: 'excludeIncompatibleVariants_',\n      value: function excludeIncompatibleVariants_(media) {\n        var codecCount = 2;\n        var videoCodec = null;\n        var codecs = void 0;\n\n        if (media.attributes.CODECS) {\n          codecs = parseCodecs(media.attributes.CODECS);\n          videoCodec = codecs.videoCodec;\n          codecCount = codecs.codecCount;\n        }\n\n        this.master().playlists.forEach(function (variant) {\n          var variantCodecs = {\n            codecCount: 2,\n            videoCodec: null\n          };\n\n          if (variant.attributes.CODECS) {\n            variantCodecs = parseCodecs(variant.attributes.CODECS);\n          } // if the streams differ in the presence or absence of audio or\n          // video, they are incompatible\n\n\n          if (variantCodecs.codecCount !== codecCount) {\n            variant.excludeUntil = Infinity;\n          } // if h.264 is specified on the current playlist, some flavor of\n          // it must be specified on all compatible variants\n\n\n          if (variantCodecs.videoCodec !== videoCodec) {\n            variant.excludeUntil = Infinity;\n          }\n        });\n      }\n    }, {\n      key: 'updateAdCues_',\n      value: function updateAdCues_(media) {\n        var offset = 0;\n        var seekable$$1 = this.seekable();\n\n        if (seekable$$1.length) {\n          offset = seekable$$1.start(0);\n        }\n\n        updateAdCues(media, this.cueTagsTrack_, offset);\n      }\n      /**\n       * Calculates the desired forward buffer length based on current time\n       *\n       * @return {Number} Desired forward buffer length in seconds\n       */\n\n    }, {\n      key: 'goalBufferLength',\n      value: function goalBufferLength() {\n        var currentTime = this.tech_.currentTime();\n        var initial = Config.GOAL_BUFFER_LENGTH;\n        var rate = Config.GOAL_BUFFER_LENGTH_RATE;\n        var max = Math.max(initial, Config.MAX_GOAL_BUFFER_LENGTH);\n        return Math.min(initial + currentTime * rate, max);\n      }\n      /**\n       * Calculates the desired buffer low water line based on current time\n       *\n       * @return {Number} Desired buffer low water line in seconds\n       */\n\n    }, {\n      key: 'bufferLowWaterLine',\n      value: function bufferLowWaterLine() {\n        var currentTime = this.tech_.currentTime();\n        var initial = Config.BUFFER_LOW_WATER_LINE;\n        var rate = Config.BUFFER_LOW_WATER_LINE_RATE;\n        var max = Math.max(initial, Config.MAX_BUFFER_LOW_WATER_LINE);\n        return Math.min(initial + currentTime * rate, max);\n      }\n    }]);\n    return MasterPlaylistController;\n  }(videojs$1.EventTarget);\n  /**\n   * Returns a function that acts as the Enable/disable playlist function.\n   *\n   * @param {PlaylistLoader} loader - The master playlist loader\n\n   * @param {string} playlistID - id of the playlist\n   * @param {Function} changePlaylistFn - A function to be called after a\n   * playlist's enabled-state has been changed. Will NOT be called if a\n   * playlist's enabled-state is unchanged\n   * @param {Boolean=} enable - Value to set the playlist enabled-state to\n   * or if undefined returns the current enabled-state for the playlist\n   * @return {Function} Function for setting/getting enabled\n   */\n\n\n  var enableFunction = function enableFunction(loader, playlistID, changePlaylistFn) {\n    return function (enable) {\n      var playlist = loader.master.playlists[playlistID];\n      var incompatible = isIncompatible(playlist);\n      var currentlyEnabled = isEnabled(playlist);\n\n      if (typeof enable === 'undefined') {\n        return currentlyEnabled;\n      }\n\n      if (enable) {\n        delete playlist.disabled;\n      } else {\n        playlist.disabled = true;\n      }\n\n      if (enable !== currentlyEnabled && !incompatible) {\n        // Ensure the outside world knows about our changes\n        changePlaylistFn();\n\n        if (enable) {\n          loader.trigger('renditionenabled');\n        } else {\n          loader.trigger('renditiondisabled');\n        }\n      }\n\n      return enable;\n    };\n  };\n  /**\n   * The representation object encapsulates the publicly visible information\n   * in a media playlist along with a setter/getter-type function (enabled)\n   * for changing the enabled-state of a particular playlist entry\n   *\n   * @class Representation\n   */\n\n\n  var Representation = function Representation(hlsHandler, playlist, id) {\n    classCallCheck$1(this, Representation);\n    var mpc = hlsHandler.masterPlaylistController_,\n        smoothQualityChange = hlsHandler.options_.smoothQualityChange; // Get a reference to a bound version of the quality change function\n\n    var changeType = smoothQualityChange ? 'smooth' : 'fast';\n    var qualityChangeFunction = mpc[changeType + 'QualityChange_'].bind(mpc); // some playlist attributes are optional\n\n    if (playlist.attributes.RESOLUTION) {\n      var resolution = playlist.attributes.RESOLUTION;\n      this.width = resolution.width;\n      this.height = resolution.height;\n    }\n\n    this.bandwidth = playlist.attributes.BANDWIDTH; // The id is simply the ordinality of the media playlist\n    // within the master playlist\n\n    this.id = id; // Partially-apply the enableFunction to create a playlist-\n    // specific variant\n\n    this.enabled = enableFunction(hlsHandler.playlists, playlist.id, qualityChangeFunction);\n  };\n  /**\n   * A mixin function that adds the `representations` api to an instance\n   * of the HlsHandler class\n   * @param {HlsHandler} hlsHandler - An instance of HlsHandler to add the\n   * representation API into\n   */\n\n\n  var renditionSelectionMixin = function renditionSelectionMixin(hlsHandler) {\n    var playlists = hlsHandler.playlists; // Add a single API-specific function to the HlsHandler instance\n\n    hlsHandler.representations = function () {\n      if (!playlists || !playlists.master || !playlists.master.playlists) {\n        return [];\n      }\n\n      return playlists.master.playlists.filter(function (media) {\n        return !isIncompatible(media);\n      }).map(function (e, i) {\n        return new Representation(hlsHandler, e, e.id);\n      });\n    };\n  };\n  /**\n   * @file playback-watcher.js\n   *\n   * Playback starts, and now my watch begins. It shall not end until my death. I shall\n   * take no wait, hold no uncleared timeouts, father no bad seeks. I shall wear no crowns\n   * and win no glory. I shall live and die at my post. I am the corrector of the underflow.\n   * I am the watcher of gaps. I am the shield that guards the realms of seekable. I pledge\n   * my life and honor to the Playback Watch, for this Player and all the Players to come.\n   */\n  // Set of events that reset the playback-watcher time check logic and clear the timeout\n\n\n  var timerCancelEvents = ['seeking', 'seeked', 'pause', 'playing', 'error'];\n  /**\n   * @class PlaybackWatcher\n   */\n\n  var PlaybackWatcher = function () {\n    /**\n     * Represents an PlaybackWatcher object.\n     * @constructor\n     * @param {object} options an object that includes the tech and settings\n     */\n    function PlaybackWatcher(options) {\n      var _this = this;\n\n      classCallCheck$1(this, PlaybackWatcher);\n      this.tech_ = options.tech;\n      this.seekable = options.seekable;\n      this.seekTo = options.seekTo;\n      this.allowSeeksWithinUnsafeLiveWindow = options.allowSeeksWithinUnsafeLiveWindow;\n      this.media = options.media;\n      this.consecutiveUpdates = 0;\n      this.lastRecordedTime = null;\n      this.timer_ = null;\n      this.checkCurrentTimeTimeout_ = null;\n      this.logger_ = logger('PlaybackWatcher');\n      this.logger_('initialize');\n\n      var canPlayHandler = function canPlayHandler() {\n        return _this.monitorCurrentTime_();\n      };\n\n      var waitingHandler = function waitingHandler() {\n        return _this.techWaiting_();\n      };\n\n      var cancelTimerHandler = function cancelTimerHandler() {\n        return _this.cancelTimer_();\n      };\n\n      var fixesBadSeeksHandler = function fixesBadSeeksHandler() {\n        return _this.fixesBadSeeks_();\n      };\n\n      this.tech_.on('seekablechanged', fixesBadSeeksHandler);\n      this.tech_.on('waiting', waitingHandler);\n      this.tech_.on(timerCancelEvents, cancelTimerHandler);\n      this.tech_.on('canplay', canPlayHandler); // Define the dispose function to clean up our events\n\n      this.dispose = function () {\n        _this.logger_('dispose');\n\n        _this.tech_.off('seekablechanged', fixesBadSeeksHandler);\n\n        _this.tech_.off('waiting', waitingHandler);\n\n        _this.tech_.off(timerCancelEvents, cancelTimerHandler);\n\n        _this.tech_.off('canplay', canPlayHandler);\n\n        if (_this.checkCurrentTimeTimeout_) {\n          window$3.clearTimeout(_this.checkCurrentTimeTimeout_);\n        }\n\n        _this.cancelTimer_();\n      };\n    }\n    /**\n     * Periodically check current time to see if playback stopped\n     *\n     * @private\n     */\n\n\n    createClass$1(PlaybackWatcher, [{\n      key: 'monitorCurrentTime_',\n      value: function monitorCurrentTime_() {\n        this.checkCurrentTime_();\n\n        if (this.checkCurrentTimeTimeout_) {\n          window$3.clearTimeout(this.checkCurrentTimeTimeout_);\n        } // 42 = 24 fps // 250 is what Webkit uses // FF uses 15\n\n\n        this.checkCurrentTimeTimeout_ = window$3.setTimeout(this.monitorCurrentTime_.bind(this), 250);\n      }\n      /**\n       * The purpose of this function is to emulate the \"waiting\" event on\n       * browsers that do not emit it when they are waiting for more\n       * data to continue playback\n       *\n       * @private\n       */\n\n    }, {\n      key: 'checkCurrentTime_',\n      value: function checkCurrentTime_() {\n        if (this.tech_.seeking() && this.fixesBadSeeks_()) {\n          this.consecutiveUpdates = 0;\n          this.lastRecordedTime = this.tech_.currentTime();\n          return;\n        }\n\n        if (this.tech_.paused() || this.tech_.seeking()) {\n          return;\n        }\n\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n\n        if (this.lastRecordedTime === currentTime && (!buffered.length || currentTime + SAFE_TIME_DELTA >= buffered.end(buffered.length - 1))) {\n          // If current time is at the end of the final buffered region, then any playback\n          // stall is most likely caused by buffering in a low bandwidth environment. The tech\n          // should fire a `waiting` event in this scenario, but due to browser and tech\n          // inconsistencies. Calling `techWaiting_` here allows us to simulate\n          // responding to a native `waiting` event when the tech fails to emit one.\n          return this.techWaiting_();\n        }\n\n        if (this.consecutiveUpdates >= 5 && currentTime === this.lastRecordedTime) {\n          this.consecutiveUpdates++;\n          this.waiting_();\n        } else if (currentTime === this.lastRecordedTime) {\n          this.consecutiveUpdates++;\n        } else {\n          this.consecutiveUpdates = 0;\n          this.lastRecordedTime = currentTime;\n        }\n      }\n      /**\n       * Cancels any pending timers and resets the 'timeupdate' mechanism\n       * designed to detect that we are stalled\n       *\n       * @private\n       */\n\n    }, {\n      key: 'cancelTimer_',\n      value: function cancelTimer_() {\n        this.consecutiveUpdates = 0;\n\n        if (this.timer_) {\n          this.logger_('cancelTimer_');\n          clearTimeout(this.timer_);\n        }\n\n        this.timer_ = null;\n      }\n      /**\n       * Fixes situations where there's a bad seek\n       *\n       * @return {Boolean} whether an action was taken to fix the seek\n       * @private\n       */\n\n    }, {\n      key: 'fixesBadSeeks_',\n      value: function fixesBadSeeks_() {\n        var seeking = this.tech_.seeking();\n\n        if (!seeking) {\n          return false;\n        }\n\n        var seekable = this.seekable();\n        var currentTime = this.tech_.currentTime();\n        var isAfterSeekableRange = this.afterSeekableWindow_(seekable, currentTime, this.media(), this.allowSeeksWithinUnsafeLiveWindow);\n        var seekTo = void 0;\n\n        if (isAfterSeekableRange) {\n          var seekableEnd = seekable.end(seekable.length - 1); // sync to live point (if VOD, our seekable was updated and we're simply adjusting)\n\n          seekTo = seekableEnd;\n        }\n\n        if (this.beforeSeekableWindow_(seekable, currentTime)) {\n          var seekableStart = seekable.start(0); // sync to the beginning of the live window\n          // provide a buffer of .1 seconds to handle rounding/imprecise numbers\n\n          seekTo = seekableStart + SAFE_TIME_DELTA;\n        }\n\n        if (typeof seekTo !== 'undefined') {\n          this.logger_('Trying to seek outside of seekable at time ' + currentTime + ' with ' + ('seekable range ' + printableRange(seekable) + '. Seeking to ') + (seekTo + '.'));\n          this.seekTo(seekTo);\n          return true;\n        }\n\n        return false;\n      }\n      /**\n       * Handler for situations when we determine the player is waiting.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'waiting_',\n      value: function waiting_() {\n        if (this.techWaiting_()) {\n          return;\n        } // All tech waiting checks failed. Use last resort correction\n\n\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n        var currentRange = findRange(buffered, currentTime); // Sometimes the player can stall for unknown reasons within a contiguous buffered\n        // region with no indication that anything is amiss (seen in Firefox). Seeking to\n        // currentTime is usually enough to kickstart the player. This checks that the player\n        // is currently within a buffered region before attempting a corrective seek.\n        // Chrome does not appear to continue `timeupdate` events after a `waiting` event\n        // until there is ~ 3 seconds of forward buffer available. PlaybackWatcher should also\n        // make sure there is ~3 seconds of forward buffer before taking any corrective action\n        // to avoid triggering an `unknownwaiting` event when the network is slow.\n\n        if (currentRange.length && currentTime + 3 <= currentRange.end(0)) {\n          this.cancelTimer_();\n          this.seekTo(currentTime);\n          this.logger_('Stopped at ' + currentTime + ' while inside a buffered region ' + ('[' + currentRange.start(0) + ' -> ' + currentRange.end(0) + ']. Attempting to resume ') + 'playback by seeking to the current time.'); // unknown waiting corrections may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-unknown-waiting'\n          });\n          return;\n        }\n      }\n      /**\n       * Handler for situations when the tech fires a `waiting` event\n       *\n       * @return {Boolean}\n       *         True if an action (or none) was needed to correct the waiting. False if no\n       *         checks passed\n       * @private\n       */\n\n    }, {\n      key: 'techWaiting_',\n      value: function techWaiting_() {\n        var seekable = this.seekable();\n        var currentTime = this.tech_.currentTime();\n\n        if (this.tech_.seeking() && this.fixesBadSeeks_()) {\n          // Tech is seeking or bad seek fixed, no action needed\n          return true;\n        }\n\n        if (this.tech_.seeking() || this.timer_ !== null) {\n          // Tech is seeking or already waiting on another action, no action needed\n          return true;\n        }\n\n        if (this.beforeSeekableWindow_(seekable, currentTime)) {\n          var livePoint = seekable.end(seekable.length - 1);\n          this.logger_('Fell out of live window at time ' + currentTime + '. Seeking to ' + ('live point (seekable end) ' + livePoint));\n          this.cancelTimer_();\n          this.seekTo(livePoint); // live window resyncs may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-live-resync'\n          });\n          return true;\n        }\n\n        var buffered = this.tech_.buffered();\n        var nextRange = findNextRange(buffered, currentTime);\n\n        if (this.videoUnderflow_(nextRange, buffered, currentTime)) {\n          // Even though the video underflowed and was stuck in a gap, the audio overplayed\n          // the gap, leading currentTime into a buffered range. Seeking to currentTime\n          // allows the video to catch up to the audio position without losing any audio\n          // (only suffering ~3 seconds of frozen video and a pause in audio playback).\n          this.cancelTimer_();\n          this.seekTo(currentTime); // video underflow may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-video-underflow'\n          });\n          return true;\n        } // check for gap\n\n\n        if (nextRange.length > 0) {\n          var difference = nextRange.start(0) - currentTime;\n          this.logger_('Stopped at ' + currentTime + ', setting timer for ' + difference + ', seeking ' + ('to ' + nextRange.start(0)));\n          this.timer_ = setTimeout(this.skipTheGap_.bind(this), difference * 1000, currentTime);\n          return true;\n        } // All checks failed. Returning false to indicate failure to correct waiting\n\n\n        return false;\n      }\n    }, {\n      key: 'afterSeekableWindow_',\n      value: function afterSeekableWindow_(seekable, currentTime, playlist) {\n        var allowSeeksWithinUnsafeLiveWindow = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;\n\n        if (!seekable.length) {\n          // we can't make a solid case if there's no seekable, default to false\n          return false;\n        }\n\n        var allowedEnd = seekable.end(seekable.length - 1) + SAFE_TIME_DELTA;\n        var isLive = !playlist.endList;\n\n        if (isLive && allowSeeksWithinUnsafeLiveWindow) {\n          allowedEnd = seekable.end(seekable.length - 1) + playlist.targetDuration * 3;\n        }\n\n        if (currentTime > allowedEnd) {\n          return true;\n        }\n\n        return false;\n      }\n    }, {\n      key: 'beforeSeekableWindow_',\n      value: function beforeSeekableWindow_(seekable, currentTime) {\n        if (seekable.length && // can't fall before 0 and 0 seekable start identifies VOD stream\n        seekable.start(0) > 0 && currentTime < seekable.start(0) - SAFE_TIME_DELTA) {\n          return true;\n        }\n\n        return false;\n      }\n    }, {\n      key: 'videoUnderflow_',\n      value: function videoUnderflow_(nextRange, buffered, currentTime) {\n        if (nextRange.length === 0) {\n          // Even if there is no available next range, there is still a possibility we are\n          // stuck in a gap due to video underflow.\n          var gap = this.gapFromVideoUnderflow_(buffered, currentTime);\n\n          if (gap) {\n            this.logger_('Encountered a gap in video from ' + gap.start + ' to ' + gap.end + '. ' + ('Seeking to current time ' + currentTime));\n            return true;\n          }\n        }\n\n        return false;\n      }\n      /**\n       * Timer callback. If playback still has not proceeded, then we seek\n       * to the start of the next buffered region.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'skipTheGap_',\n      value: function skipTheGap_(scheduledCurrentTime) {\n        var buffered = this.tech_.buffered();\n        var currentTime = this.tech_.currentTime();\n        var nextRange = findNextRange(buffered, currentTime);\n        this.cancelTimer_();\n\n        if (nextRange.length === 0 || currentTime !== scheduledCurrentTime) {\n          return;\n        }\n\n        this.logger_('skipTheGap_:', 'currentTime:', currentTime, 'scheduled currentTime:', scheduledCurrentTime, 'nextRange start:', nextRange.start(0)); // only seek if we still have not played\n\n        this.seekTo(nextRange.start(0) + TIME_FUDGE_FACTOR);\n        this.tech_.trigger({\n          type: 'usage',\n          name: 'hls-gap-skip'\n        });\n      }\n    }, {\n      key: 'gapFromVideoUnderflow_',\n      value: function gapFromVideoUnderflow_(buffered, currentTime) {\n        // At least in Chrome, if there is a gap in the video buffer, the audio will continue\n        // playing for ~3 seconds after the video gap starts. This is done to account for\n        // video buffer underflow/underrun (note that this is not done when there is audio\n        // buffer underflow/underrun -- in that case the video will stop as soon as it\n        // encounters the gap, as audio stalls are more noticeable/jarring to a user than\n        // video stalls). The player's time will reflect the playthrough of audio, so the\n        // time will appear as if we are in a buffered region, even if we are stuck in a\n        // \"gap.\"\n        //\n        // Example:\n        // video buffer:   0 => 10.1, 10.2 => 20\n        // audio buffer:   0 => 20\n        // overall buffer: 0 => 10.1, 10.2 => 20\n        // current time: 13\n        //\n        // Chrome's video froze at 10 seconds, where the video buffer encountered the gap,\n        // however, the audio continued playing until it reached ~3 seconds past the gap\n        // (13 seconds), at which point it stops as well. Since current time is past the\n        // gap, findNextRange will return no ranges.\n        //\n        // To check for this issue, we see if there is a gap that starts somewhere within\n        // a 3 second range (3 seconds +/- 1 second) back from our current time.\n        var gaps = findGaps(buffered);\n\n        for (var i = 0; i < gaps.length; i++) {\n          var start = gaps.start(i);\n          var end = gaps.end(i); // gap is starts no more than 4 seconds back\n\n          if (currentTime - start < 4 && currentTime - start > 2) {\n            return {\n              start: start,\n              end: end\n            };\n          }\n        }\n\n        return null;\n      }\n    }]);\n    return PlaybackWatcher;\n  }();\n\n  var defaultOptions = {\n    errorInterval: 30,\n    getSource: function getSource(next) {\n      var tech = this.tech({\n        IWillNotUseThisInPlugins: true\n      });\n      var sourceObj = tech.currentSource_;\n      return next(sourceObj);\n    }\n  };\n  /**\n   * Main entry point for the plugin\n   *\n   * @param {Player} player a reference to a videojs Player instance\n   * @param {Object} [options] an object with plugin options\n   * @private\n   */\n\n  var initPlugin = function initPlugin(player, options) {\n    var lastCalled = 0;\n    var seekTo = 0;\n    var localOptions = videojs$1.mergeOptions(defaultOptions, options);\n    player.ready(function () {\n      player.trigger({\n        type: 'usage',\n        name: 'hls-error-reload-initialized'\n      });\n    });\n    /**\n     * Player modifications to perform that must wait until `loadedmetadata`\n     * has been triggered\n     *\n     * @private\n     */\n\n    var loadedMetadataHandler = function loadedMetadataHandler() {\n      if (seekTo) {\n        player.currentTime(seekTo);\n      }\n    };\n    /**\n     * Set the source on the player element, play, and seek if necessary\n     *\n     * @param {Object} sourceObj An object specifying the source url and mime-type to play\n     * @private\n     */\n\n\n    var setSource = function setSource(sourceObj) {\n      if (sourceObj === null || sourceObj === undefined) {\n        return;\n      }\n\n      seekTo = player.duration() !== Infinity && player.currentTime() || 0;\n      player.one('loadedmetadata', loadedMetadataHandler);\n      player.src(sourceObj);\n      player.trigger({\n        type: 'usage',\n        name: 'hls-error-reload'\n      });\n      player.play();\n    };\n    /**\n     * Attempt to get a source from either the built-in getSource function\n     * or a custom function provided via the options\n     *\n     * @private\n     */\n\n\n    var errorHandler = function errorHandler() {\n      // Do not attempt to reload the source if a source-reload occurred before\n      // 'errorInterval' time has elapsed since the last source-reload\n      if (Date.now() - lastCalled < localOptions.errorInterval * 1000) {\n        player.trigger({\n          type: 'usage',\n          name: 'hls-error-reload-canceled'\n        });\n        return;\n      }\n\n      if (!localOptions.getSource || typeof localOptions.getSource !== 'function') {\n        videojs$1.log.error('ERROR: reloadSourceOnError - The option getSource must be a function!');\n        return;\n      }\n\n      lastCalled = Date.now();\n      return localOptions.getSource.call(player, setSource);\n    };\n    /**\n     * Unbind any event handlers that were bound by the plugin\n     *\n     * @private\n     */\n\n\n    var cleanupEvents = function cleanupEvents() {\n      player.off('loadedmetadata', loadedMetadataHandler);\n      player.off('error', errorHandler);\n      player.off('dispose', cleanupEvents);\n    };\n    /**\n     * Cleanup before re-initializing the plugin\n     *\n     * @param {Object} [newOptions] an object with plugin options\n     * @private\n     */\n\n\n    var reinitPlugin = function reinitPlugin(newOptions) {\n      cleanupEvents();\n      initPlugin(player, newOptions);\n    };\n\n    player.on('error', errorHandler);\n    player.on('dispose', cleanupEvents); // Overwrite the plugin function so that we can correctly cleanup before\n    // initializing the plugin\n\n    player.reloadSourceOnError = reinitPlugin;\n  };\n  /**\n   * Reload the source when an error is detected as long as there\n   * wasn't an error previously within the last 30 seconds\n   *\n   * @param {Object} [options] an object with plugin options\n   */\n\n\n  var reloadSourceOnError = function reloadSourceOnError(options) {\n    initPlugin(this, options);\n  };\n\n  var version$1 = \"1.12.3\"; // since VHS handles HLS and DASH (and in the future, more types), use * to capture all\n\n  videojs$1.use('*', function (player) {\n    return {\n      setSource: function setSource(srcObj, next) {\n        // pass null as the first argument to indicate that the source is not rejected\n        next(null, srcObj);\n      },\n      // VHS needs to know when seeks happen. For external seeks (generated at the player\n      // level), this middleware will capture the action. For internal seeks (generated at\n      // the tech level), we use a wrapped function so that we can handle it on our own\n      // (specified elsewhere).\n      setCurrentTime: function setCurrentTime(time) {\n        if (player.vhs && player.currentSource().src === player.vhs.source_.src) {\n          player.vhs.setCurrentTime(time);\n        }\n\n        return time;\n      },\n      // Sync VHS after play requests.\n      // This specifically handles replay where the order of actions is\n      // play, video element will seek to 0 (skipping the setCurrentTime middleware)\n      // then triggers a play event.\n      play: function play() {\n        if (player.vhs && player.currentSource().src === player.vhs.source_.src) {\n          player.vhs.setCurrentTime(player.tech_.currentTime());\n        }\n      }\n    };\n  });\n  /**\n   * @file videojs-http-streaming.js\n   *\n   * The main file for the HLS project.\n   * License: https://github.com/videojs/videojs-http-streaming/blob/master/LICENSE\n   */\n\n  var Hls$1 = {\n    PlaylistLoader: PlaylistLoader,\n    Playlist: Playlist,\n    Decrypter: Decrypter,\n    AsyncStream: AsyncStream,\n    decrypt: decrypt,\n    utils: utils$1,\n    STANDARD_PLAYLIST_SELECTOR: lastBandwidthSelector,\n    INITIAL_PLAYLIST_SELECTOR: lowestBitrateCompatibleVariantSelector,\n    comparePlaylistBandwidth: comparePlaylistBandwidth,\n    comparePlaylistResolution: comparePlaylistResolution,\n    xhr: xhrFactory()\n  }; // Define getter/setters for config properites\n\n  ['GOAL_BUFFER_LENGTH', 'MAX_GOAL_BUFFER_LENGTH', 'GOAL_BUFFER_LENGTH_RATE', 'BUFFER_LOW_WATER_LINE', 'MAX_BUFFER_LOW_WATER_LINE', 'BUFFER_LOW_WATER_LINE_RATE', 'BANDWIDTH_VARIANCE'].forEach(function (prop) {\n    Object.defineProperty(Hls$1, prop, {\n      get: function get$$1() {\n        videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');\n        return Config[prop];\n      },\n      set: function set$$1(value) {\n        videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');\n\n        if (typeof value !== 'number' || value < 0) {\n          videojs$1.log.warn('value of Hls.' + prop + ' must be greater than or equal to 0');\n          return;\n        }\n\n        Config[prop] = value;\n      }\n    });\n  });\n  var LOCAL_STORAGE_KEY$1 = 'videojs-vhs';\n\n  var simpleTypeFromSourceType = function simpleTypeFromSourceType(type) {\n    var mpegurlRE = /^(audio|video|application)\\/(x-|vnd\\.apple\\.)?mpegurl/i;\n\n    if (mpegurlRE.test(type)) {\n      return 'hls';\n    }\n\n    var dashRE = /^application\\/dash\\+xml/i;\n\n    if (dashRE.test(type)) {\n      return 'dash';\n    }\n\n    return null;\n  };\n  /**\n   * Updates the selectedIndex of the QualityLevelList when a mediachange happens in hls.\n   *\n   * @param {QualityLevelList} qualityLevels The QualityLevelList to update.\n   * @param {PlaylistLoader} playlistLoader PlaylistLoader containing the new media info.\n   * @function handleHlsMediaChange\n   */\n\n\n  var handleHlsMediaChange = function handleHlsMediaChange(qualityLevels, playlistLoader) {\n    var newPlaylist = playlistLoader.media();\n    var selectedIndex = -1;\n\n    for (var i = 0; i < qualityLevels.length; i++) {\n      if (qualityLevels[i].id === newPlaylist.id) {\n        selectedIndex = i;\n        break;\n      }\n    }\n\n    qualityLevels.selectedIndex_ = selectedIndex;\n    qualityLevels.trigger({\n      selectedIndex: selectedIndex,\n      type: 'change'\n    });\n  };\n  /**\n   * Adds quality levels to list once playlist metadata is available\n   *\n   * @param {QualityLevelList} qualityLevels The QualityLevelList to attach events to.\n   * @param {Object} hls Hls object to listen to for media events.\n   * @function handleHlsLoadedMetadata\n   */\n\n\n  var handleHlsLoadedMetadata = function handleHlsLoadedMetadata(qualityLevels, hls) {\n    hls.representations().forEach(function (rep) {\n      qualityLevels.addQualityLevel(rep);\n    });\n    handleHlsMediaChange(qualityLevels, hls.playlists);\n  }; // HLS is a source handler, not a tech. Make sure attempts to use it\n  // as one do not cause exceptions.\n\n\n  Hls$1.canPlaySource = function () {\n    return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\\'s techOrder.');\n  };\n\n  var emeKeySystems = function emeKeySystems(keySystemOptions, mainSegmentLoader, audioSegmentLoader) {\n    if (!keySystemOptions) {\n      return keySystemOptions;\n    }\n\n    var videoMimeType = void 0;\n    var audioMimeType = void 0; // if there is a mimeType associated with the audioSegmentLoader, then the audio\n    // and video mimeType and codec strings are already in the format we need to\n    // pass with the other key systems\n\n    if (audioSegmentLoader.mimeType_) {\n      videoMimeType = mainSegmentLoader.mimeType_;\n      audioMimeType = audioSegmentLoader.mimeType_; // if there is no audioSegmentLoader mimeType, then we have to create the\n      // the audio and video mimeType/codec strings from information extrapolated\n      // from the mainSegmentLoader mimeType (ex. 'video/mp4; codecs=\"mp4, avc1\"' -->\n      // 'video/mp4; codecs=\"avc1\"' and 'audio/mp4; codecs=\"mp4\"')\n    } else {\n      var parsedMimeType = parseContentType(mainSegmentLoader.mimeType_);\n      var codecs = parsedMimeType.parameters.codecs.split(',');\n      var audioCodec = void 0;\n      var videoCodec = void 0;\n      codecs.forEach(function (codec) {\n        codec = codec.trim();\n\n        if (isAudioCodec(codec)) {\n          audioCodec = codec;\n        } else if (isVideoCodec(codec)) {\n          videoCodec = codec;\n        }\n      });\n      videoMimeType = parsedMimeType.type + '; codecs=\"' + videoCodec + '\"';\n      audioMimeType = parsedMimeType.type.replace('video', 'audio') + '; codecs=\"' + audioCodec + '\"';\n    } // upsert the content types based on the selected playlist\n\n\n    var keySystemContentTypes = {};\n    var videoPlaylist = mainSegmentLoader.playlist_;\n\n    for (var keySystem in keySystemOptions) {\n      keySystemContentTypes[keySystem] = {\n        audioContentType: audioMimeType,\n        videoContentType: videoMimeType\n      };\n\n      if (videoPlaylist.contentProtection && videoPlaylist.contentProtection[keySystem] && videoPlaylist.contentProtection[keySystem].pssh) {\n        keySystemContentTypes[keySystem].pssh = videoPlaylist.contentProtection[keySystem].pssh;\n      } // videojs-contrib-eme accepts the option of specifying: 'com.some.cdm': 'url'\n      // so we need to prevent overwriting the URL entirely\n\n\n      if (typeof keySystemOptions[keySystem] === 'string') {\n        keySystemContentTypes[keySystem].url = keySystemOptions[keySystem];\n      }\n    }\n\n    return videojs$1.mergeOptions(keySystemOptions, keySystemContentTypes);\n  };\n\n  var setupEmeOptions = function setupEmeOptions(hlsHandler) {\n    var mainSegmentLoader = hlsHandler.masterPlaylistController_.mainSegmentLoader_;\n    var audioSegmentLoader = hlsHandler.masterPlaylistController_.audioSegmentLoader_;\n    var player = videojs$1.players[hlsHandler.tech_.options_.playerId];\n\n    if (player.eme) {\n      var sourceOptions = emeKeySystems(hlsHandler.source_.keySystems, mainSegmentLoader, audioSegmentLoader);\n\n      if (sourceOptions) {\n        player.currentSource().keySystems = sourceOptions; // Works around https://bugs.chromium.org/p/chromium/issues/detail?id=895449\n        // in non-IE11 browsers. In IE11 this is too early to initialize media keys\n\n        if (!(videojs$1.browser.IE_VERSION === 11) && player.eme.initializeMediaKeys) {\n          player.eme.initializeMediaKeys();\n        }\n      }\n    }\n  };\n\n  var getVhsLocalStorage = function getVhsLocalStorage() {\n    if (!window.localStorage) {\n      return null;\n    }\n\n    var storedObject = window.localStorage.getItem(LOCAL_STORAGE_KEY$1);\n\n    if (!storedObject) {\n      return null;\n    }\n\n    try {\n      return JSON.parse(storedObject);\n    } catch (e) {\n      // someone may have tampered with the value\n      return null;\n    }\n  };\n\n  var updateVhsLocalStorage = function updateVhsLocalStorage(options) {\n    if (!window.localStorage) {\n      return false;\n    }\n\n    var objectToStore = getVhsLocalStorage();\n    objectToStore = objectToStore ? videojs$1.mergeOptions(objectToStore, options) : options;\n\n    try {\n      window.localStorage.setItem(LOCAL_STORAGE_KEY$1, JSON.stringify(objectToStore));\n    } catch (e) {\n      // Throws if storage is full (e.g., always on iOS 5+ Safari private mode, where\n      // storage is set to 0).\n      // https://developer.mozilla.org/en-US/docs/Web/API/Storage/setItem#Exceptions\n      // No need to perform any operation.\n      return false;\n    }\n\n    return objectToStore;\n  };\n  /**\n   * Whether the browser has built-in HLS support.\n   */\n\n\n  Hls$1.supportsNativeHls = function () {\n    var video = document.createElement('video'); // native HLS is definitely not supported if HTML5 video isn't\n\n    if (!videojs$1.getTech('Html5').isSupported()) {\n      return false;\n    } // HLS manifests can go by many mime-types\n\n\n    var canPlay = [// Apple santioned\n    'application/vnd.apple.mpegurl', // Apple sanctioned for backwards compatibility\n    'audio/mpegurl', // Very common\n    'audio/x-mpegurl', // Very common\n    'application/x-mpegurl', // Included for completeness\n    'video/x-mpegurl', 'video/mpegurl', 'application/mpegurl'];\n    return canPlay.some(function (canItPlay) {\n      return /maybe|probably/i.test(video.canPlayType(canItPlay));\n    });\n  }();\n\n  Hls$1.supportsNativeDash = function () {\n    if (!videojs$1.getTech('Html5').isSupported()) {\n      return false;\n    }\n\n    return /maybe|probably/i.test(document.createElement('video').canPlayType('application/dash+xml'));\n  }();\n\n  Hls$1.supportsTypeNatively = function (type) {\n    if (type === 'hls') {\n      return Hls$1.supportsNativeHls;\n    }\n\n    if (type === 'dash') {\n      return Hls$1.supportsNativeDash;\n    }\n\n    return false;\n  };\n  /**\n   * HLS is a source handler, not a tech. Make sure attempts to use it\n   * as one do not cause exceptions.\n   */\n\n\n  Hls$1.isSupported = function () {\n    return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\\'s techOrder.');\n  };\n\n  var Component$1 = videojs$1.getComponent('Component');\n  /**\n   * The Hls Handler object, where we orchestrate all of the parts\n   * of HLS to interact with video.js\n   *\n   * @class HlsHandler\n   * @extends videojs.Component\n   * @param {Object} source the soruce object\n   * @param {Tech} tech the parent tech object\n   * @param {Object} options optional and required options\n   */\n\n  var HlsHandler = function (_Component) {\n    inherits$2(HlsHandler, _Component);\n\n    function HlsHandler(source, tech, options) {\n      classCallCheck$1(this, HlsHandler); // tech.player() is deprecated but setup a reference to HLS for\n      // backwards-compatibility\n\n      var _this = possibleConstructorReturn$1(this, (HlsHandler.__proto__ || Object.getPrototypeOf(HlsHandler)).call(this, tech, options.hls));\n\n      if (tech.options_ && tech.options_.playerId) {\n        var _player = videojs$1(tech.options_.playerId);\n\n        if (!_player.hasOwnProperty('hls')) {\n          Object.defineProperty(_player, 'hls', {\n            get: function get$$1() {\n              videojs$1.log.warn('player.hls is deprecated. Use player.tech().hls instead.');\n              tech.trigger({\n                type: 'usage',\n                name: 'hls-player-access'\n              });\n              return _this;\n            },\n            configurable: true\n          });\n        } // Set up a reference to the HlsHandler from player.vhs. This allows users to start\n        // migrating from player.tech_.hls... to player.vhs... for API access. Although this\n        // isn't the most appropriate form of reference for video.js (since all APIs should\n        // be provided through core video.js), it is a common pattern for plugins, and vhs\n        // will act accordingly.\n\n\n        _player.vhs = _this; // deprecated, for backwards compatibility\n\n        _player.dash = _this;\n        _this.player_ = _player;\n      }\n\n      _this.tech_ = tech;\n      _this.source_ = source;\n      _this.stats = {};\n\n      _this.setOptions_();\n\n      if (_this.options_.overrideNative && tech.overrideNativeAudioTracks && tech.overrideNativeVideoTracks) {\n        tech.overrideNativeAudioTracks(true);\n        tech.overrideNativeVideoTracks(true);\n      } else if (_this.options_.overrideNative && (tech.featuresNativeVideoTracks || tech.featuresNativeAudioTracks)) {\n        // overriding native HLS only works if audio tracks have been emulated\n        // error early if we're misconfigured\n        throw new Error('Overriding native HLS requires emulated tracks. ' + 'See https://git.io/vMpjB');\n      } // listen for fullscreenchange events for this player so that we\n      // can adjust our quality selection quickly\n\n\n      _this.on(document, ['fullscreenchange', 'webkitfullscreenchange', 'mozfullscreenchange', 'MSFullscreenChange'], function (event) {\n        var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement;\n\n        if (fullscreenElement && fullscreenElement.contains(_this.tech_.el())) {\n          _this.masterPlaylistController_.smoothQualityChange_();\n        }\n      }); // Handle seeking when looping - middleware doesn't handle this seek event from the tech\n\n\n      _this.on(_this.tech_, 'seeking', function () {\n        if (this.tech_.currentTime() === 0 && this.tech_.player_.loop()) {\n          this.setCurrentTime(0);\n        }\n      });\n\n      _this.on(_this.tech_, 'error', function () {\n        if (this.masterPlaylistController_) {\n          this.masterPlaylistController_.pauseLoading();\n        }\n      });\n\n      _this.on(_this.tech_, 'play', _this.play);\n\n      return _this;\n    }\n\n    createClass$1(HlsHandler, [{\n      key: 'setOptions_',\n      value: function setOptions_() {\n        var _this2 = this; // defaults\n\n\n        this.options_.withCredentials = this.options_.withCredentials || false;\n        this.options_.handleManifestRedirects = this.options_.handleManifestRedirects || false;\n        this.options_.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions === false ? false : true;\n        this.options_.smoothQualityChange = this.options_.smoothQualityChange || false;\n        this.options_.useBandwidthFromLocalStorage = typeof this.source_.useBandwidthFromLocalStorage !== 'undefined' ? this.source_.useBandwidthFromLocalStorage : this.options_.useBandwidthFromLocalStorage || false;\n        this.options_.customTagParsers = this.options_.customTagParsers || [];\n        this.options_.customTagMappers = this.options_.customTagMappers || [];\n        this.options_.cacheEncryptionKeys = this.options_.cacheEncryptionKeys || false;\n\n        if (typeof this.options_.blacklistDuration !== 'number') {\n          this.options_.blacklistDuration = 5 * 60;\n        }\n\n        if (typeof this.options_.bandwidth !== 'number') {\n          if (this.options_.useBandwidthFromLocalStorage) {\n            var storedObject = getVhsLocalStorage();\n\n            if (storedObject && storedObject.bandwidth) {\n              this.options_.bandwidth = storedObject.bandwidth;\n              this.tech_.trigger({\n                type: 'usage',\n                name: 'hls-bandwidth-from-local-storage'\n              });\n            }\n\n            if (storedObject && storedObject.throughput) {\n              this.options_.throughput = storedObject.throughput;\n              this.tech_.trigger({\n                type: 'usage',\n                name: 'hls-throughput-from-local-storage'\n              });\n            }\n          }\n        } // if bandwidth was not set by options or pulled from local storage, start playlist\n        // selection at a reasonable bandwidth\n\n\n        if (typeof this.options_.bandwidth !== 'number') {\n          this.options_.bandwidth = Config.INITIAL_BANDWIDTH;\n        } // If the bandwidth number is unchanged from the initial setting\n        // then this takes precedence over the enableLowInitialPlaylist option\n\n\n        this.options_.enableLowInitialPlaylist = this.options_.enableLowInitialPlaylist && this.options_.bandwidth === Config.INITIAL_BANDWIDTH; // grab options passed to player.src\n\n        ['withCredentials', 'limitRenditionByPlayerDimensions', 'bandwidth', 'smoothQualityChange', 'customTagParsers', 'customTagMappers', 'handleManifestRedirects', 'cacheEncryptionKeys'].forEach(function (option) {\n          if (typeof _this2.source_[option] !== 'undefined') {\n            _this2.options_[option] = _this2.source_[option];\n          }\n        });\n        this.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions;\n      }\n      /**\n       * called when player.src gets called, handle a new source\n       *\n       * @param {Object} src the source object to handle\n       */\n\n    }, {\n      key: 'src',\n      value: function src(_src, type) {\n        var _this3 = this; // do nothing if the src is falsey\n\n\n        if (!_src) {\n          return;\n        }\n\n        this.setOptions_(); // add master playlist controller options\n\n        this.options_.url = this.source_.src;\n        this.options_.tech = this.tech_;\n        this.options_.externHls = Hls$1;\n        this.options_.sourceType = simpleTypeFromSourceType(type); // Whenever we seek internally, we should update both the tech and call our own\n        // setCurrentTime function. This is needed because \"seeking\" events aren't always\n        // reliable. External seeks (via the player object) are handled via middleware.\n\n        this.options_.seekTo = function (time) {\n          _this3.tech_.setCurrentTime(time);\n\n          _this3.setCurrentTime(time);\n        };\n\n        this.masterPlaylistController_ = new MasterPlaylistController(this.options_);\n        this.playbackWatcher_ = new PlaybackWatcher(videojs$1.mergeOptions(this.options_, {\n          seekable: function seekable$$1() {\n            return _this3.seekable();\n          },\n          media: function media() {\n            return _this3.masterPlaylistController_.media();\n          }\n        }));\n        this.masterPlaylistController_.on('error', function () {\n          var player = videojs$1.players[_this3.tech_.options_.playerId];\n          player.error(_this3.masterPlaylistController_.error);\n        }); // `this` in selectPlaylist should be the HlsHandler for backwards\n        // compatibility with < v2\n\n        this.masterPlaylistController_.selectPlaylist = this.selectPlaylist ? this.selectPlaylist.bind(this) : Hls$1.STANDARD_PLAYLIST_SELECTOR.bind(this);\n        this.masterPlaylistController_.selectInitialPlaylist = Hls$1.INITIAL_PLAYLIST_SELECTOR.bind(this); // re-expose some internal objects for backwards compatibility with < v2\n\n        this.playlists = this.masterPlaylistController_.masterPlaylistLoader_;\n        this.mediaSource = this.masterPlaylistController_.mediaSource; // Proxy assignment of some properties to the master playlist\n        // controller. Using a custom property for backwards compatibility\n        // with < v2\n\n        Object.defineProperties(this, {\n          selectPlaylist: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.selectPlaylist;\n            },\n            set: function set$$1(selectPlaylist) {\n              this.masterPlaylistController_.selectPlaylist = selectPlaylist.bind(this);\n            }\n          },\n          throughput: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate;\n            },\n            set: function set$$1(throughput) {\n              this.masterPlaylistController_.mainSegmentLoader_.throughput.rate = throughput; // By setting `count` to 1 the throughput value becomes the starting value\n              // for the cumulative average\n\n              this.masterPlaylistController_.mainSegmentLoader_.throughput.count = 1;\n            }\n          },\n          bandwidth: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.mainSegmentLoader_.bandwidth;\n            },\n            set: function set$$1(bandwidth) {\n              this.masterPlaylistController_.mainSegmentLoader_.bandwidth = bandwidth; // setting the bandwidth manually resets the throughput counter\n              // `count` is set to zero that current value of `rate` isn't included\n              // in the cumulative average\n\n              this.masterPlaylistController_.mainSegmentLoader_.throughput = {\n                rate: 0,\n                count: 0\n              };\n            }\n          },\n\n          /**\n           * `systemBandwidth` is a combination of two serial processes bit-rates. The first\n           * is the network bitrate provided by `bandwidth` and the second is the bitrate of\n           * the entire process after that - decryption, transmuxing, and appending - provided\n           * by `throughput`.\n           *\n           * Since the two process are serial, the overall system bandwidth is given by:\n           *   sysBandwidth = 1 / (1 / bandwidth + 1 / throughput)\n           */\n          systemBandwidth: {\n            get: function get$$1() {\n              var invBandwidth = 1 / (this.bandwidth || 1);\n              var invThroughput = void 0;\n\n              if (this.throughput > 0) {\n                invThroughput = 1 / this.throughput;\n              } else {\n                invThroughput = 0;\n              }\n\n              var systemBitrate = Math.floor(1 / (invBandwidth + invThroughput));\n              return systemBitrate;\n            },\n            set: function set$$1() {\n              videojs$1.log.error('The \"systemBandwidth\" property is read-only');\n            }\n          }\n        });\n\n        if (this.options_.bandwidth) {\n          this.bandwidth = this.options_.bandwidth;\n        }\n\n        if (this.options_.throughput) {\n          this.throughput = this.options_.throughput;\n        }\n\n        Object.defineProperties(this.stats, {\n          bandwidth: {\n            get: function get$$1() {\n              return _this3.bandwidth || 0;\n            },\n            enumerable: true\n          },\n          mediaRequests: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequests_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsAborted: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsAborted_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsTimedout: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsTimedout_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsErrored: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsErrored_() || 0;\n            },\n            enumerable: true\n          },\n          mediaTransferDuration: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaTransferDuration_() || 0;\n            },\n            enumerable: true\n          },\n          mediaBytesTransferred: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaBytesTransferred_() || 0;\n            },\n            enumerable: true\n          },\n          mediaSecondsLoaded: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaSecondsLoaded_() || 0;\n            },\n            enumerable: true\n          },\n          buffered: {\n            get: function get$$1() {\n              return timeRangesToArray(_this3.tech_.buffered());\n            },\n            enumerable: true\n          },\n          currentTime: {\n            get: function get$$1() {\n              return _this3.tech_.currentTime();\n            },\n            enumerable: true\n          },\n          currentSource: {\n            get: function get$$1() {\n              return _this3.tech_.currentSource_;\n            },\n            enumerable: true\n          },\n          currentTech: {\n            get: function get$$1() {\n              return _this3.tech_.name_;\n            },\n            enumerable: true\n          },\n          duration: {\n            get: function get$$1() {\n              return _this3.tech_.duration();\n            },\n            enumerable: true\n          },\n          master: {\n            get: function get$$1() {\n              return _this3.playlists.master;\n            },\n            enumerable: true\n          },\n          playerDimensions: {\n            get: function get$$1() {\n              return _this3.tech_.currentDimensions();\n            },\n            enumerable: true\n          },\n          seekable: {\n            get: function get$$1() {\n              return timeRangesToArray(_this3.tech_.seekable());\n            },\n            enumerable: true\n          },\n          timestamp: {\n            get: function get$$1() {\n              return Date.now();\n            },\n            enumerable: true\n          },\n          videoPlaybackQuality: {\n            get: function get$$1() {\n              return _this3.tech_.getVideoPlaybackQuality();\n            },\n            enumerable: true\n          }\n        });\n        this.tech_.one('canplay', this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_));\n        this.tech_.on('bandwidthupdate', function () {\n          if (_this3.options_.useBandwidthFromLocalStorage) {\n            updateVhsLocalStorage({\n              bandwidth: _this3.bandwidth,\n              throughput: Math.round(_this3.throughput)\n            });\n          }\n        });\n        this.masterPlaylistController_.on('selectedinitialmedia', function () {\n          // Add the manual rendition mix-in to HlsHandler\n          renditionSelectionMixin(_this3);\n          setupEmeOptions(_this3);\n        }); // the bandwidth of the primary segment loader is our best\n        // estimate of overall bandwidth\n\n        this.on(this.masterPlaylistController_, 'progress', function () {\n          this.tech_.trigger('progress');\n        });\n        this.setupQualityLevels_(); // do nothing if the tech has been disposed already\n        // this can occur if someone sets the src in player.ready(), for instance\n\n        if (!this.tech_.el()) {\n          return;\n        }\n\n        this.tech_.src(videojs$1.URL.createObjectURL(this.masterPlaylistController_.mediaSource));\n      }\n      /**\n       * Initializes the quality levels and sets listeners to update them.\n       *\n       * @method setupQualityLevels_\n       * @private\n       */\n\n    }, {\n      key: 'setupQualityLevels_',\n      value: function setupQualityLevels_() {\n        var _this4 = this;\n\n        var player = videojs$1.players[this.tech_.options_.playerId]; // if there isn't a player or there isn't a qualityLevels plugin\n        // or qualityLevels_ listeners have already been setup, do nothing.\n\n        if (!player || !player.qualityLevels || this.qualityLevels_) {\n          return;\n        }\n\n        this.qualityLevels_ = player.qualityLevels();\n        this.masterPlaylistController_.on('selectedinitialmedia', function () {\n          handleHlsLoadedMetadata(_this4.qualityLevels_, _this4);\n        });\n        this.playlists.on('mediachange', function () {\n          handleHlsMediaChange(_this4.qualityLevels_, _this4.playlists);\n        });\n      }\n      /**\n       * Begin playing the video.\n       */\n\n    }, {\n      key: 'play',\n      value: function play() {\n        this.masterPlaylistController_.play();\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'setCurrentTime',\n      value: function setCurrentTime(currentTime) {\n        this.masterPlaylistController_.setCurrentTime(currentTime);\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'duration',\n      value: function duration$$1() {\n        return this.masterPlaylistController_.duration();\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'seekable',\n      value: function seekable$$1() {\n        return this.masterPlaylistController_.seekable();\n      }\n      /**\n       * Abort all outstanding work and cleanup.\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        if (this.playbackWatcher_) {\n          this.playbackWatcher_.dispose();\n        }\n\n        if (this.masterPlaylistController_) {\n          this.masterPlaylistController_.dispose();\n        }\n\n        if (this.qualityLevels_) {\n          this.qualityLevels_.dispose();\n        }\n\n        if (this.player_) {\n          delete this.player_.vhs;\n          delete this.player_.dash;\n          delete this.player_.hls;\n        }\n\n        if (this.tech_ && this.tech_.hls) {\n          delete this.tech_.hls;\n        }\n\n        get$1(HlsHandler.prototype.__proto__ || Object.getPrototypeOf(HlsHandler.prototype), 'dispose', this).call(this);\n      }\n    }, {\n      key: 'convertToProgramTime',\n      value: function convertToProgramTime(time, callback) {\n        return getProgramTime({\n          playlist: this.masterPlaylistController_.media(),\n          time: time,\n          callback: callback\n        });\n      } // the player must be playing before calling this\n\n    }, {\n      key: 'seekToProgramTime',\n      value: function seekToProgramTime$$1(programTime, callback) {\n        var pauseAfterSeek = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;\n        var retryCount = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 2;\n        return seekToProgramTime({\n          programTime: programTime,\n          playlist: this.masterPlaylistController_.media(),\n          retryCount: retryCount,\n          pauseAfterSeek: pauseAfterSeek,\n          seekTo: this.options_.seekTo,\n          tech: this.options_.tech,\n          callback: callback\n        });\n      }\n    }]);\n    return HlsHandler;\n  }(Component$1);\n  /**\n   * The Source Handler object, which informs video.js what additional\n   * MIME types are supported and sets up playback. It is registered\n   * automatically to the appropriate tech based on the capabilities of\n   * the browser it is running in. It is not necessary to use or modify\n   * this object in normal usage.\n   */\n\n\n  var HlsSourceHandler = {\n    name: 'videojs-http-streaming',\n    VERSION: version$1,\n    canHandleSource: function canHandleSource(srcObj) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      var localOptions = videojs$1.mergeOptions(videojs$1.options, options);\n      return HlsSourceHandler.canPlayType(srcObj.type, localOptions);\n    },\n    handleSource: function handleSource(source, tech) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      var localOptions = videojs$1.mergeOptions(videojs$1.options, options);\n      tech.hls = new HlsHandler(source, tech, localOptions);\n      tech.hls.xhr = xhrFactory();\n      tech.hls.src(source.src, source.type);\n      return tech.hls;\n    },\n    canPlayType: function canPlayType(type) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n      var _videojs$mergeOptions = videojs$1.mergeOptions(videojs$1.options, options),\n          overrideNative = _videojs$mergeOptions.hls.overrideNative;\n\n      var supportedType = simpleTypeFromSourceType(type);\n      var canUseMsePlayback = supportedType && (!Hls$1.supportsTypeNatively(supportedType) || overrideNative);\n      return canUseMsePlayback ? 'maybe' : '';\n    }\n  };\n\n  if (typeof videojs$1.MediaSource === 'undefined' || typeof videojs$1.URL === 'undefined') {\n    videojs$1.MediaSource = MediaSource;\n    videojs$1.URL = URL$1;\n  } // register source handlers with the appropriate techs\n\n\n  if (MediaSource.supportsNativeMediaSources()) {\n    videojs$1.getTech('Html5').registerSourceHandler(HlsSourceHandler, 0);\n  }\n\n  videojs$1.HlsHandler = HlsHandler;\n  videojs$1.HlsSourceHandler = HlsSourceHandler;\n  videojs$1.Hls = Hls$1;\n\n  if (!videojs$1.use) {\n    videojs$1.registerComponent('Hls', Hls$1);\n  }\n\n  videojs$1.options.hls = videojs$1.options.hls || {};\n\n  if (videojs$1.registerPlugin) {\n    videojs$1.registerPlugin('reloadSourceOnError', reloadSourceOnError);\n  } else {\n    videojs$1.plugin('reloadSourceOnError', reloadSourceOnError);\n  }\n\n  return videojs$1;\n\n}));\n"],"file":"video-lazy.min.js"}
\ No newline at end of file
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* @license\n * Video.js 7.7.6 <http://videojs.com/>\n * Copyright Brightcove, Inc. <https://www.brightcove.com/>\n * Available under Apache License Version 2.0\n * <https://github.com/videojs/video.js/blob/master/LICENSE>\n *\n * Includes vtt.js <https://github.com/mozilla/vtt.js>\n * Available under Apache License Version 2.0\n * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>\n */\n\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('global/window'), require('global/document')) :\n  typeof define === 'function' && define.amd ? define(['./window', './document'], factory) :\n  (global = global || self, global.videojs = factory(global.window, global.document));\n}(this, function (window$3, document) { 'use strict';\n\n  window$3 = window$3 && window$3.hasOwnProperty('default') ? window$3['default'] : window$3;\n  document = document && document.hasOwnProperty('default') ? document['default'] : document;\n\n  var version = \"7.7.6\";\n\n  /**\n   * @file create-logger.js\n   * @module create-logger\n   */\n\n  var history = [];\n  /**\n   * Log messages to the console and history based on the type of message\n   *\n   * @private\n   * @param  {string} type\n   *         The name of the console method to use.\n   *\n   * @param  {Array} args\n   *         The arguments to be passed to the matching console method.\n   */\n\n  var LogByTypeFactory = function LogByTypeFactory(name, log) {\n    return function (type, level, args) {\n      var lvl = log.levels[level];\n      var lvlRegExp = new RegExp(\"^(\" + lvl + \")$\");\n\n      if (type !== 'log') {\n        // Add the type to the front of the message when it's not \"log\".\n        args.unshift(type.toUpperCase() + ':');\n      } // Add console prefix after adding to history.\n\n\n      args.unshift(name + ':'); // Add a clone of the args at this point to history.\n\n      if (history) {\n        history.push([].concat(args)); // only store 1000 history entries\n\n        var splice = history.length - 1000;\n        history.splice(0, splice > 0 ? splice : 0);\n      } // If there's no console then don't try to output messages, but they will\n      // still be stored in history.\n\n\n      if (!window$3.console) {\n        return;\n      } // Was setting these once outside of this function, but containing them\n      // in the function makes it easier to test cases where console doesn't exist\n      // when the module is executed.\n\n\n      var fn = window$3.console[type];\n\n      if (!fn && type === 'debug') {\n        // Certain browsers don't have support for console.debug. For those, we\n        // should default to the closest comparable log.\n        fn = window$3.console.info || window$3.console.log;\n      } // Bail out if there's no console or if this type is not allowed by the\n      // current logging level.\n\n\n      if (!fn || !lvl || !lvlRegExp.test(type)) {\n        return;\n      }\n\n      fn[Array.isArray(args) ? 'apply' : 'call'](window$3.console, args);\n    };\n  };\n\n  function createLogger(name) {\n    // This is the private tracking variable for logging level.\n    var level = 'info'; // the curried logByType bound to the specific log and history\n\n    var logByType;\n    /**\n     * Logs plain debug messages. Similar to `console.log`.\n     *\n     * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)\n     * of our JSDoc template, we cannot properly document this as both a function\n     * and a namespace, so its function signature is documented here.\n     *\n     * #### Arguments\n     * ##### *args\n     * Mixed[]\n     *\n     * Any combination of values that could be passed to `console.log()`.\n     *\n     * #### Return Value\n     *\n     * `undefined`\n     *\n     * @namespace\n     * @param    {Mixed[]} args\n     *           One or more messages or objects that should be logged.\n     */\n\n    var log = function log() {\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      logByType('log', level, args);\n    }; // This is the logByType helper that the logging methods below use\n\n\n    logByType = LogByTypeFactory(name, log);\n    /**\n     * Create a new sublogger which chains the old name to the new name.\n     *\n     * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following:\n     * ```js\n     *  mylogger('foo');\n     *  // > VIDEOJS: player: foo\n     * ```\n     *\n     * @param {string} name\n     *        The name to add call the new logger\n     * @return {Object}\n     */\n\n    log.createLogger = function (subname) {\n      return createLogger(name + ': ' + subname);\n    };\n    /**\n     * Enumeration of available logging levels, where the keys are the level names\n     * and the values are `|`-separated strings containing logging methods allowed\n     * in that logging level. These strings are used to create a regular expression\n     * matching the function name being called.\n     *\n     * Levels provided by Video.js are:\n     *\n     * - `off`: Matches no calls. Any value that can be cast to `false` will have\n     *   this effect. The most restrictive.\n     * - `all`: Matches only Video.js-provided functions (`debug`, `log`,\n     *   `log.warn`, and `log.error`).\n     * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.\n     * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.\n     * - `warn`: Matches `log.warn` and `log.error` calls.\n     * - `error`: Matches only `log.error` calls.\n     *\n     * @type {Object}\n     */\n\n\n    log.levels = {\n      all: 'debug|log|warn|error',\n      off: '',\n      debug: 'debug|log|warn|error',\n      info: 'log|warn|error',\n      warn: 'warn|error',\n      error: 'error',\n      DEFAULT: level\n    };\n    /**\n     * Get or set the current logging level.\n     *\n     * If a string matching a key from {@link module:log.levels} is provided, acts\n     * as a setter.\n     *\n     * @param  {string} [lvl]\n     *         Pass a valid level to set a new logging level.\n     *\n     * @return {string}\n     *         The current logging level.\n     */\n\n    log.level = function (lvl) {\n      if (typeof lvl === 'string') {\n        if (!log.levels.hasOwnProperty(lvl)) {\n          throw new Error(\"\\\"\" + lvl + \"\\\" in not a valid log level\");\n        }\n\n        level = lvl;\n      }\n\n      return level;\n    };\n    /**\n     * Returns an array containing everything that has been logged to the history.\n     *\n     * This array is a shallow clone of the internal history record. However, its\n     * contents are _not_ cloned; so, mutating objects inside this array will\n     * mutate them in history.\n     *\n     * @return {Array}\n     */\n\n\n    log.history = function () {\n      return history ? [].concat(history) : [];\n    };\n    /**\n     * Allows you to filter the history by the given logger name\n     *\n     * @param {string} fname\n     *        The name to filter by\n     *\n     * @return {Array}\n     *         The filtered list to return\n     */\n\n\n    log.history.filter = function (fname) {\n      return (history || []).filter(function (historyItem) {\n        // if the first item in each historyItem includes `fname`, then it's a match\n        return new RegExp(\".*\" + fname + \".*\").test(historyItem[0]);\n      });\n    };\n    /**\n     * Clears the internal history tracking, but does not prevent further history\n     * tracking.\n     */\n\n\n    log.history.clear = function () {\n      if (history) {\n        history.length = 0;\n      }\n    };\n    /**\n     * Disable history tracking if it is currently enabled.\n     */\n\n\n    log.history.disable = function () {\n      if (history !== null) {\n        history.length = 0;\n        history = null;\n      }\n    };\n    /**\n     * Enable history tracking if it is currently disabled.\n     */\n\n\n    log.history.enable = function () {\n      if (history === null) {\n        history = [];\n      }\n    };\n    /**\n     * Logs error messages. Similar to `console.error`.\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as an error\n     */\n\n\n    log.error = function () {\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      return logByType('error', level, args);\n    };\n    /**\n     * Logs warning messages. Similar to `console.warn`.\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as a warning.\n     */\n\n\n    log.warn = function () {\n      for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n        args[_key3] = arguments[_key3];\n      }\n\n      return logByType('warn', level, args);\n    };\n    /**\n     * Logs debug messages. Similar to `console.debug`, but may also act as a comparable\n     * log if `console.debug` is not available\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as debug.\n     */\n\n\n    log.debug = function () {\n      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n        args[_key4] = arguments[_key4];\n      }\n\n      return logByType('debug', level, args);\n    };\n\n    return log;\n  }\n\n  /**\n   * @file log.js\n   * @module log\n   */\n  var log = createLogger('VIDEOJS');\n  var createLogger$1 = log.createLogger;\n\n  function createCommonjsModule(fn, module) {\n  \treturn module = { exports: {} }, fn(module, module.exports), module.exports;\n  }\n\n  var _extends_1 = createCommonjsModule(function (module) {\n    function _extends() {\n      module.exports = _extends = Object.assign || function (target) {\n        for (var i = 1; i < arguments.length; i++) {\n          var source = arguments[i];\n\n          for (var key in source) {\n            if (Object.prototype.hasOwnProperty.call(source, key)) {\n              target[key] = source[key];\n            }\n          }\n        }\n\n        return target;\n      };\n\n      return _extends.apply(this, arguments);\n    }\n\n    module.exports = _extends;\n  });\n\n  /**\n   * @file obj.js\n   * @module obj\n   */\n\n  /**\n   * @callback obj:EachCallback\n   *\n   * @param {Mixed} value\n   *        The current key for the object that is being iterated over.\n   *\n   * @param {string} key\n   *        The current key-value for object that is being iterated over\n   */\n\n  /**\n   * @callback obj:ReduceCallback\n   *\n   * @param {Mixed} accum\n   *        The value that is accumulating over the reduce loop.\n   *\n   * @param {Mixed} value\n   *        The current key for the object that is being iterated over.\n   *\n   * @param {string} key\n   *        The current key-value for object that is being iterated over\n   *\n   * @return {Mixed}\n   *         The new accumulated value.\n   */\n  var toString = Object.prototype.toString;\n  /**\n   * Get the keys of an Object\n   *\n   * @param {Object}\n   *        The Object to get the keys from\n   *\n   * @return {string[]}\n   *         An array of the keys from the object. Returns an empty array if the\n   *         object passed in was invalid or had no keys.\n   *\n   * @private\n   */\n\n  var keys = function keys(object) {\n    return isObject(object) ? Object.keys(object) : [];\n  };\n  /**\n   * Array-like iteration for objects.\n   *\n   * @param {Object} object\n   *        The object to iterate over\n   *\n   * @param {obj:EachCallback} fn\n   *        The callback function which is called for each key in the object.\n   */\n\n\n  function each(object, fn) {\n    keys(object).forEach(function (key) {\n      return fn(object[key], key);\n    });\n  }\n  /**\n   * Array-like reduce for objects.\n   *\n   * @param {Object} object\n   *        The Object that you want to reduce.\n   *\n   * @param {Function} fn\n   *         A callback function which is called for each key in the object. It\n   *         receives the accumulated value and the per-iteration value and key\n   *         as arguments.\n   *\n   * @param {Mixed} [initial = 0]\n   *        Starting value\n   *\n   * @return {Mixed}\n   *         The final accumulated value.\n   */\n\n  function reduce(object, fn, initial) {\n    if (initial === void 0) {\n      initial = 0;\n    }\n\n    return keys(object).reduce(function (accum, key) {\n      return fn(accum, object[key], key);\n    }, initial);\n  }\n  /**\n   * Object.assign-style object shallow merge/extend.\n   *\n   * @param  {Object} target\n   * @param  {Object} ...sources\n   * @return {Object}\n   */\n\n  function assign(target) {\n    for (var _len = arguments.length, sources = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n      sources[_key - 1] = arguments[_key];\n    }\n\n    if (Object.assign) {\n      return _extends_1.apply(void 0, [target].concat(sources));\n    }\n\n    sources.forEach(function (source) {\n      if (!source) {\n        return;\n      }\n\n      each(source, function (value, key) {\n        target[key] = value;\n      });\n    });\n    return target;\n  }\n  /**\n   * Returns whether a value is an object of any kind - including DOM nodes,\n   * arrays, regular expressions, etc. Not functions, though.\n   *\n   * This avoids the gotcha where using `typeof` on a `null` value\n   * results in `'object'`.\n   *\n   * @param  {Object} value\n   * @return {boolean}\n   */\n\n  function isObject(value) {\n    return !!value && typeof value === 'object';\n  }\n  /**\n   * Returns whether an object appears to be a \"plain\" object - that is, a\n   * direct instance of `Object`.\n   *\n   * @param  {Object} value\n   * @return {boolean}\n   */\n\n  function isPlain(value) {\n    return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;\n  }\n\n  /**\n   * @file computed-style.js\n   * @module computed-style\n   */\n  /**\n   * A safe getComputedStyle.\n   *\n   * This is needed because in Firefox, if the player is loaded in an iframe with\n   * `display:none`, then `getComputedStyle` returns `null`, so, we do a\n   * null-check to make sure that the player doesn't break in these cases.\n   *\n   * @function\n   * @param    {Element} el\n   *           The element you want the computed style of\n   *\n   * @param    {string} prop\n   *           The property name you want\n   *\n   * @see      https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n   */\n\n  function computedStyle(el, prop) {\n    if (!el || !prop) {\n      return '';\n    }\n\n    if (typeof window$3.getComputedStyle === 'function') {\n      var computedStyleValue = window$3.getComputedStyle(el);\n      return computedStyleValue ? computedStyleValue.getPropertyValue(prop) || computedStyleValue[prop] : '';\n    }\n\n    return '';\n  }\n\n  /**\n   * @file dom.js\n   * @module dom\n   */\n  /**\n   * Detect if a value is a string with any non-whitespace characters.\n   *\n   * @private\n   * @param  {string} str\n   *         The string to check\n   *\n   * @return {boolean}\n   *         Will be `true` if the string is non-blank, `false` otherwise.\n   *\n   */\n\n  function isNonBlankString(str) {\n    // we use str.trim as it will trim any whitespace characters\n    // from the front or back of non-whitespace characters. aka\n    // Any string that contains non-whitespace characters will\n    // still contain them after `trim` but whitespace only strings\n    // will have a length of 0, failing this check.\n    return typeof str === 'string' && Boolean(str.trim());\n  }\n  /**\n   * Throws an error if the passed string has whitespace. This is used by\n   * class methods to be relatively consistent with the classList API.\n   *\n   * @private\n   * @param  {string} str\n   *         The string to check for whitespace.\n   *\n   * @throws {Error}\n   *         Throws an error if there is whitespace in the string.\n   */\n\n\n  function throwIfWhitespace(str) {\n    // str.indexOf instead of regex because str.indexOf is faster performance wise.\n    if (str.indexOf(' ') >= 0) {\n      throw new Error('class has illegal whitespace characters');\n    }\n  }\n  /**\n   * Produce a regular expression for matching a className within an elements className.\n   *\n   * @private\n   * @param  {string} className\n   *         The className to generate the RegExp for.\n   *\n   * @return {RegExp}\n   *         The RegExp that will check for a specific `className` in an elements\n   *         className.\n   */\n\n\n  function classRegExp(className) {\n    return new RegExp('(^|\\\\s)' + className + '($|\\\\s)');\n  }\n  /**\n   * Whether the current DOM interface appears to be real (i.e. not simulated).\n   *\n   * @return {boolean}\n   *         Will be `true` if the DOM appears to be real, `false` otherwise.\n   */\n\n\n  function isReal() {\n    // Both document and window will never be undefined thanks to `global`.\n    return document === window$3.document;\n  }\n  /**\n   * Determines, via duck typing, whether or not a value is a DOM element.\n   *\n   * @param  {Mixed} value\n   *         The value to check.\n   *\n   * @return {boolean}\n   *         Will be `true` if the value is a DOM element, `false` otherwise.\n   */\n\n  function isEl(value) {\n    return isObject(value) && value.nodeType === 1;\n  }\n  /**\n   * Determines if the current DOM is embedded in an iframe.\n   *\n   * @return {boolean}\n   *         Will be `true` if the DOM is embedded in an iframe, `false`\n   *         otherwise.\n   */\n\n  function isInFrame() {\n    // We need a try/catch here because Safari will throw errors when attempting\n    // to get either `parent` or `self`\n    try {\n      return window$3.parent !== window$3.self;\n    } catch (x) {\n      return true;\n    }\n  }\n  /**\n   * Creates functions to query the DOM using a given method.\n   *\n   * @private\n   * @param   {string} method\n   *          The method to create the query with.\n   *\n   * @return  {Function}\n   *          The query method\n   */\n\n  function createQuerier(method) {\n    return function (selector, context) {\n      if (!isNonBlankString(selector)) {\n        return document[method](null);\n      }\n\n      if (isNonBlankString(context)) {\n        context = document.querySelector(context);\n      }\n\n      var ctx = isEl(context) ? context : document;\n      return ctx[method] && ctx[method](selector);\n    };\n  }\n  /**\n   * Creates an element and applies properties, attributes, and inserts content.\n   *\n   * @param  {string} [tagName='div']\n   *         Name of tag to be created.\n   *\n   * @param  {Object} [properties={}]\n   *         Element properties to be applied.\n   *\n   * @param  {Object} [attributes={}]\n   *         Element attributes to be applied.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor object.\n   *\n   * @return {Element}\n   *         The element that was created.\n   */\n\n\n  function createEl(tagName, properties, attributes, content) {\n    if (tagName === void 0) {\n      tagName = 'div';\n    }\n\n    if (properties === void 0) {\n      properties = {};\n    }\n\n    if (attributes === void 0) {\n      attributes = {};\n    }\n\n    var el = document.createElement(tagName);\n    Object.getOwnPropertyNames(properties).forEach(function (propName) {\n      var val = properties[propName]; // See #2176\n      // We originally were accepting both properties and attributes in the\n      // same object, but that doesn't work so well.\n\n      if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {\n        log.warn('Setting attributes in the second argument of createEl()\\n' + 'has been deprecated. Use the third argument instead.\\n' + (\"createEl(type, properties, attributes). Attempting to set \" + propName + \" to \" + val + \".\"));\n        el.setAttribute(propName, val); // Handle textContent since it's not supported everywhere and we have a\n        // method for it.\n      } else if (propName === 'textContent') {\n        textContent(el, val);\n      } else if (el[propName] !== val) {\n        el[propName] = val;\n      }\n    });\n    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {\n      el.setAttribute(attrName, attributes[attrName]);\n    });\n\n    if (content) {\n      appendContent(el, content);\n    }\n\n    return el;\n  }\n  /**\n   * Injects text into an element, replacing any existing contents entirely.\n   *\n   * @param  {Element} el\n   *         The element to add text content into\n   *\n   * @param  {string} text\n   *         The text content to add.\n   *\n   * @return {Element}\n   *         The element with added text content.\n   */\n\n  function textContent(el, text) {\n    if (typeof el.textContent === 'undefined') {\n      el.innerText = text;\n    } else {\n      el.textContent = text;\n    }\n\n    return el;\n  }\n  /**\n   * Insert an element as the first child node of another\n   *\n   * @param {Element} child\n   *        Element to insert\n   *\n   * @param {Element} parent\n   *        Element to insert child into\n   */\n\n  function prependTo(child, parent) {\n    if (parent.firstChild) {\n      parent.insertBefore(child, parent.firstChild);\n    } else {\n      parent.appendChild(child);\n    }\n  }\n  /**\n   * Check if an element has a class name.\n   *\n   * @param  {Element} element\n   *         Element to check\n   *\n   * @param  {string} classToCheck\n   *         Class name to check for\n   *\n   * @return {boolean}\n   *         Will be `true` if the element has a class, `false` otherwise.\n   *\n   * @throws {Error}\n   *         Throws an error if `classToCheck` has white space.\n   */\n\n  function hasClass(element, classToCheck) {\n    throwIfWhitespace(classToCheck);\n\n    if (element.classList) {\n      return element.classList.contains(classToCheck);\n    }\n\n    return classRegExp(classToCheck).test(element.className);\n  }\n  /**\n   * Add a class name to an element.\n   *\n   * @param  {Element} element\n   *         Element to add class name to.\n   *\n   * @param  {string} classToAdd\n   *         Class name to add.\n   *\n   * @return {Element}\n   *         The DOM element with the added class name.\n   */\n\n  function addClass(element, classToAdd) {\n    if (element.classList) {\n      element.classList.add(classToAdd); // Don't need to `throwIfWhitespace` here because `hasElClass` will do it\n      // in the case of classList not being supported.\n    } else if (!hasClass(element, classToAdd)) {\n      element.className = (element.className + ' ' + classToAdd).trim();\n    }\n\n    return element;\n  }\n  /**\n   * Remove a class name from an element.\n   *\n   * @param  {Element} element\n   *         Element to remove a class name from.\n   *\n   * @param  {string} classToRemove\n   *         Class name to remove\n   *\n   * @return {Element}\n   *         The DOM element with class name removed.\n   */\n\n  function removeClass(element, classToRemove) {\n    if (element.classList) {\n      element.classList.remove(classToRemove);\n    } else {\n      throwIfWhitespace(classToRemove);\n      element.className = element.className.split(/\\s+/).filter(function (c) {\n        return c !== classToRemove;\n      }).join(' ');\n    }\n\n    return element;\n  }\n  /**\n   * The callback definition for toggleClass.\n   *\n   * @callback module:dom~PredicateCallback\n   * @param    {Element} element\n   *           The DOM element of the Component.\n   *\n   * @param    {string} classToToggle\n   *           The `className` that wants to be toggled\n   *\n   * @return   {boolean|undefined}\n   *           If `true` is returned, the `classToToggle` will be added to the\n   *           `element`. If `false`, the `classToToggle` will be removed from\n   *           the `element`. If `undefined`, the callback will be ignored.\n   */\n\n  /**\n   * Adds or removes a class name to/from an element depending on an optional\n   * condition or the presence/absence of the class name.\n   *\n   * @param  {Element} element\n   *         The element to toggle a class name on.\n   *\n   * @param  {string} classToToggle\n   *         The class that should be toggled.\n   *\n   * @param  {boolean|module:dom~PredicateCallback} [predicate]\n   *         See the return value for {@link module:dom~PredicateCallback}\n   *\n   * @return {Element}\n   *         The element with a class that has been toggled.\n   */\n\n  function toggleClass(element, classToToggle, predicate) {\n    // This CANNOT use `classList` internally because IE11 does not support the\n    // second parameter to the `classList.toggle()` method! Which is fine because\n    // `classList` will be used by the add/remove functions.\n    var has = hasClass(element, classToToggle);\n\n    if (typeof predicate === 'function') {\n      predicate = predicate(element, classToToggle);\n    }\n\n    if (typeof predicate !== 'boolean') {\n      predicate = !has;\n    } // If the necessary class operation matches the current state of the\n    // element, no action is required.\n\n\n    if (predicate === has) {\n      return;\n    }\n\n    if (predicate) {\n      addClass(element, classToToggle);\n    } else {\n      removeClass(element, classToToggle);\n    }\n\n    return element;\n  }\n  /**\n   * Apply attributes to an HTML element.\n   *\n   * @param {Element} el\n   *        Element to add attributes to.\n   *\n   * @param {Object} [attributes]\n   *        Attributes to be applied.\n   */\n\n  function setAttributes(el, attributes) {\n    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {\n      var attrValue = attributes[attrName];\n\n      if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {\n        el.removeAttribute(attrName);\n      } else {\n        el.setAttribute(attrName, attrValue === true ? '' : attrValue);\n      }\n    });\n  }\n  /**\n   * Get an element's attribute values, as defined on the HTML tag.\n   *\n   * Attributes are not the same as properties. They're defined on the tag\n   * or with setAttribute.\n   *\n   * @param  {Element} tag\n   *         Element from which to get tag attributes.\n   *\n   * @return {Object}\n   *         All attributes of the element. Boolean attributes will be `true` or\n   *         `false`, others will be strings.\n   */\n\n  function getAttributes(tag) {\n    var obj = {}; // known boolean attributes\n    // we can check for matching boolean properties, but not all browsers\n    // and not all tags know about these attributes, so, we still want to check them manually\n\n    var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';\n\n    if (tag && tag.attributes && tag.attributes.length > 0) {\n      var attrs = tag.attributes;\n\n      for (var i = attrs.length - 1; i >= 0; i--) {\n        var attrName = attrs[i].name;\n        var attrVal = attrs[i].value; // check for known booleans\n        // the matching element property will return a value for typeof\n\n        if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {\n          // the value of an included boolean attribute is typically an empty\n          // string ('') which would equal false if we just check for a false value.\n          // we also don't want support bad code like autoplay='false'\n          attrVal = attrVal !== null ? true : false;\n        }\n\n        obj[attrName] = attrVal;\n      }\n    }\n\n    return obj;\n  }\n  /**\n   * Get the value of an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to get the value of.\n   *\n   * @return {string}\n   *         The value of the attribute.\n   */\n\n  function getAttribute(el, attribute) {\n    return el.getAttribute(attribute);\n  }\n  /**\n   * Set the value of an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to set.\n   *\n   * @param {string} value\n   *        Value to set the attribute to.\n   */\n\n  function setAttribute(el, attribute, value) {\n    el.setAttribute(attribute, value);\n  }\n  /**\n   * Remove an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to remove.\n   */\n\n  function removeAttribute(el, attribute) {\n    el.removeAttribute(attribute);\n  }\n  /**\n   * Attempt to block the ability to select text.\n   */\n\n  function blockTextSelection() {\n    document.body.focus();\n\n    document.onselectstart = function () {\n      return false;\n    };\n  }\n  /**\n   * Turn off text selection blocking.\n   */\n\n  function unblockTextSelection() {\n    document.onselectstart = function () {\n      return true;\n    };\n  }\n  /**\n   * Identical to the native `getBoundingClientRect` function, but ensures that\n   * the method is supported at all (it is in all browsers we claim to support)\n   * and that the element is in the DOM before continuing.\n   *\n   * This wrapper function also shims properties which are not provided by some\n   * older browsers (namely, IE8).\n   *\n   * Additionally, some browsers do not support adding properties to a\n   * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard\n   * properties (except `x` and `y` which are not widely supported). This helps\n   * avoid implementations where keys are non-enumerable.\n   *\n   * @param  {Element} el\n   *         Element whose `ClientRect` we want to calculate.\n   *\n   * @return {Object|undefined}\n   *         Always returns a plain object - or `undefined` if it cannot.\n   */\n\n  function getBoundingClientRect(el) {\n    if (el && el.getBoundingClientRect && el.parentNode) {\n      var rect = el.getBoundingClientRect();\n      var result = {};\n      ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {\n        if (rect[k] !== undefined) {\n          result[k] = rect[k];\n        }\n      });\n\n      if (!result.height) {\n        result.height = parseFloat(computedStyle(el, 'height'));\n      }\n\n      if (!result.width) {\n        result.width = parseFloat(computedStyle(el, 'width'));\n      }\n\n      return result;\n    }\n  }\n  /**\n   * Represents the position of a DOM element on the page.\n   *\n   * @typedef  {Object} module:dom~Position\n   *\n   * @property {number} left\n   *           Pixels to the left.\n   *\n   * @property {number} top\n   *           Pixels from the top.\n   */\n\n  /**\n   * Get the position of an element in the DOM.\n   *\n   * Uses `getBoundingClientRect` technique from John Resig.\n   *\n   * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/\n   *\n   * @param  {Element} el\n   *         Element from which to get offset.\n   *\n   * @return {module:dom~Position}\n   *         The position of the element that was passed in.\n   */\n\n  function findPosition(el) {\n    var box;\n\n    if (el.getBoundingClientRect && el.parentNode) {\n      box = el.getBoundingClientRect();\n    }\n\n    if (!box) {\n      return {\n        left: 0,\n        top: 0\n      };\n    }\n\n    var docEl = document.documentElement;\n    var body = document.body;\n    var clientLeft = docEl.clientLeft || body.clientLeft || 0;\n    var scrollLeft = window$3.pageXOffset || body.scrollLeft;\n    var left = box.left + scrollLeft - clientLeft;\n    var clientTop = docEl.clientTop || body.clientTop || 0;\n    var scrollTop = window$3.pageYOffset || body.scrollTop;\n    var top = box.top + scrollTop - clientTop; // Android sometimes returns slightly off decimal values, so need to round\n\n    return {\n      left: Math.round(left),\n      top: Math.round(top)\n    };\n  }\n  /**\n   * Represents x and y coordinates for a DOM element or mouse pointer.\n   *\n   * @typedef  {Object} module:dom~Coordinates\n   *\n   * @property {number} x\n   *           x coordinate in pixels\n   *\n   * @property {number} y\n   *           y coordinate in pixels\n   */\n\n  /**\n   * Get the pointer position within an element.\n   *\n   * The base on the coordinates are the bottom left of the element.\n   *\n   * @param  {Element} el\n   *         Element on which to get the pointer position on.\n   *\n   * @param  {EventTarget~Event} event\n   *         Event object.\n   *\n   * @return {module:dom~Coordinates}\n   *         A coordinates object corresponding to the mouse position.\n   *\n   */\n\n  function getPointerPosition(el, event) {\n    var position = {};\n    var box = findPosition(el);\n    var boxW = el.offsetWidth;\n    var boxH = el.offsetHeight;\n    var boxY = box.top;\n    var boxX = box.left;\n    var pageY = event.pageY;\n    var pageX = event.pageX;\n\n    if (event.changedTouches) {\n      pageX = event.changedTouches[0].pageX;\n      pageY = event.changedTouches[0].pageY;\n    }\n\n    position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));\n    position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));\n    return position;\n  }\n  /**\n   * Determines, via duck typing, whether or not a value is a text node.\n   *\n   * @param  {Mixed} value\n   *         Check if this value is a text node.\n   *\n   * @return {boolean}\n   *         Will be `true` if the value is a text node, `false` otherwise.\n   */\n\n  function isTextNode(value) {\n    return isObject(value) && value.nodeType === 3;\n  }\n  /**\n   * Empties the contents of an element.\n   *\n   * @param  {Element} el\n   *         The element to empty children from\n   *\n   * @return {Element}\n   *         The element with no children\n   */\n\n  function emptyEl(el) {\n    while (el.firstChild) {\n      el.removeChild(el.firstChild);\n    }\n\n    return el;\n  }\n  /**\n   * This is a mixed value that describes content to be injected into the DOM\n   * via some method. It can be of the following types:\n   *\n   * Type       | Description\n   * -----------|-------------\n   * `string`   | The value will be normalized into a text node.\n   * `Element`  | The value will be accepted as-is.\n   * `TextNode` | The value will be accepted as-is.\n   * `Array`    | A one-dimensional array of strings, elements, text nodes, or functions. These functions should return a string, element, or text node (any other return value, like an array, will be ignored).\n   * `Function` | A function, which is expected to return a string, element, text node, or array - any of the other possible values described above. This means that a content descriptor could be a function that returns an array of functions, but those second-level functions must return strings, elements, or text nodes.\n   *\n   * @typedef {string|Element|TextNode|Array|Function} module:dom~ContentDescriptor\n   */\n\n  /**\n   * Normalizes content for eventual insertion into the DOM.\n   *\n   * This allows a wide range of content definition methods, but helps protect\n   * from falling into the trap of simply writing to `innerHTML`, which could\n   * be an XSS concern.\n   *\n   * The content for an element can be passed in multiple types and\n   * combinations, whose behavior is as follows:\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Array}\n   *         All of the content that was passed in, normalized to an array of\n   *         elements or text nodes.\n   */\n\n  function normalizeContent(content) {\n    // First, invoke content if it is a function. If it produces an array,\n    // that needs to happen before normalization.\n    if (typeof content === 'function') {\n      content = content();\n    } // Next up, normalize to an array, so one or many items can be normalized,\n    // filtered, and returned.\n\n\n    return (Array.isArray(content) ? content : [content]).map(function (value) {\n      // First, invoke value if it is a function to produce a new value,\n      // which will be subsequently normalized to a Node of some kind.\n      if (typeof value === 'function') {\n        value = value();\n      }\n\n      if (isEl(value) || isTextNode(value)) {\n        return value;\n      }\n\n      if (typeof value === 'string' && /\\S/.test(value)) {\n        return document.createTextNode(value);\n      }\n    }).filter(function (value) {\n      return value;\n    });\n  }\n  /**\n   * Normalizes and appends content to an element.\n   *\n   * @param  {Element} el\n   *         Element to append normalized content to.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Element}\n   *         The element with appended normalized content.\n   */\n\n  function appendContent(el, content) {\n    normalizeContent(content).forEach(function (node) {\n      return el.appendChild(node);\n    });\n    return el;\n  }\n  /**\n   * Normalizes and inserts content into an element; this is identical to\n   * `appendContent()`, except it empties the element first.\n   *\n   * @param {Element} el\n   *        Element to insert normalized content into.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Element}\n   *         The element with inserted normalized content.\n   */\n\n  function insertContent(el, content) {\n    return appendContent(emptyEl(el), content);\n  }\n  /**\n   * Check if an event was a single left click.\n   *\n   * @param  {EventTarget~Event} event\n   *         Event object.\n   *\n   * @return {boolean}\n   *         Will be `true` if a single left click, `false` otherwise.\n   */\n\n  function isSingleLeftClick(event) {\n    // Note: if you create something draggable, be sure to\n    // call it on both `mousedown` and `mousemove` event,\n    // otherwise `mousedown` should be enough for a button\n    if (event.button === undefined && event.buttons === undefined) {\n      // Why do we need `buttons` ?\n      // Because, middle mouse sometimes have this:\n      // e.button === 0 and e.buttons === 4\n      // Furthermore, we want to prevent combination click, something like\n      // HOLD middlemouse then left click, that would be\n      // e.button === 0, e.buttons === 5\n      // just `button` is not gonna work\n      // Alright, then what this block does ?\n      // this is for chrome `simulate mobile devices`\n      // I want to support this as well\n      return true;\n    }\n\n    if (event.button === 0 && event.buttons === undefined) {\n      // Touch screen, sometimes on some specific device, `buttons`\n      // doesn't have anything (safari on ios, blackberry...)\n      return true;\n    } // `mouseup` event on a single left click has\n    // `button` and `buttons` equal to 0\n\n\n    if (event.type === 'mouseup' && event.button === 0 && event.buttons === 0) {\n      return true;\n    }\n\n    if (event.button !== 0 || event.buttons !== 1) {\n      // This is the reason we have those if else block above\n      // if any special case we can catch and let it slide\n      // we do it above, when get to here, this definitely\n      // is-not-left-click\n      return false;\n    }\n\n    return true;\n  }\n  /**\n   * Finds a single DOM element matching `selector` within the optional\n   * `context` of another DOM element (defaulting to `document`).\n   *\n   * @param  {string} selector\n   *         A valid CSS selector, which will be passed to `querySelector`.\n   *\n   * @param  {Element|String} [context=document]\n   *         A DOM element within which to query. Can also be a selector\n   *         string in which case the first matching element will be used\n   *         as context. If missing (or no element matches selector), falls\n   *         back to `document`.\n   *\n   * @return {Element|null}\n   *         The element that was found or null.\n   */\n\n  var $ = createQuerier('querySelector');\n  /**\n   * Finds a all DOM elements matching `selector` within the optional\n   * `context` of another DOM element (defaulting to `document`).\n   *\n   * @param  {string} selector\n   *         A valid CSS selector, which will be passed to `querySelectorAll`.\n   *\n   * @param  {Element|String} [context=document]\n   *         A DOM element within which to query. Can also be a selector\n   *         string in which case the first matching element will be used\n   *         as context. If missing (or no element matches selector), falls\n   *         back to `document`.\n   *\n   * @return {NodeList}\n   *         A element list of elements that were found. Will be empty if none\n   *         were found.\n   *\n   */\n\n  var $$ = createQuerier('querySelectorAll');\n\n  var Dom = /*#__PURE__*/Object.freeze({\n    isReal: isReal,\n    isEl: isEl,\n    isInFrame: isInFrame,\n    createEl: createEl,\n    textContent: textContent,\n    prependTo: prependTo,\n    hasClass: hasClass,\n    addClass: addClass,\n    removeClass: removeClass,\n    toggleClass: toggleClass,\n    setAttributes: setAttributes,\n    getAttributes: getAttributes,\n    getAttribute: getAttribute,\n    setAttribute: setAttribute,\n    removeAttribute: removeAttribute,\n    blockTextSelection: blockTextSelection,\n    unblockTextSelection: unblockTextSelection,\n    getBoundingClientRect: getBoundingClientRect,\n    findPosition: findPosition,\n    getPointerPosition: getPointerPosition,\n    isTextNode: isTextNode,\n    emptyEl: emptyEl,\n    normalizeContent: normalizeContent,\n    appendContent: appendContent,\n    insertContent: insertContent,\n    isSingleLeftClick: isSingleLeftClick,\n    $: $,\n    $$: $$\n  });\n\n  /**\n   * @file setup.js - Functions for setting up a player without\n   * user interaction based on the data-setup `attribute` of the video tag.\n   *\n   * @module setup\n   */\n  var _windowLoaded = false;\n  var videojs;\n  /**\n   * Set up any tags that have a data-setup `attribute` when the player is started.\n   */\n\n  var autoSetup = function autoSetup() {\n    // Protect against breakage in non-browser environments and check global autoSetup option.\n    if (!isReal() || videojs.options.autoSetup === false) {\n      return;\n    }\n\n    var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));\n    var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));\n    var divs = Array.prototype.slice.call(document.getElementsByTagName('video-js'));\n    var mediaEls = vids.concat(audios, divs); // Check if any media elements exist\n\n    if (mediaEls && mediaEls.length > 0) {\n      for (var i = 0, e = mediaEls.length; i < e; i++) {\n        var mediaEl = mediaEls[i]; // Check if element exists, has getAttribute func.\n\n        if (mediaEl && mediaEl.getAttribute) {\n          // Make sure this player hasn't already been set up.\n          if (mediaEl.player === undefined) {\n            var options = mediaEl.getAttribute('data-setup'); // Check if data-setup attr exists.\n            // We only auto-setup if they've added the data-setup attr.\n\n            if (options !== null) {\n              // Create new video.js instance.\n              videojs(mediaEl);\n            }\n          } // If getAttribute isn't defined, we need to wait for the DOM.\n\n        } else {\n          autoSetupTimeout(1);\n          break;\n        }\n      } // No videos were found, so keep looping unless page is finished loading.\n\n    } else if (!_windowLoaded) {\n      autoSetupTimeout(1);\n    }\n  };\n  /**\n   * Wait until the page is loaded before running autoSetup. This will be called in\n   * autoSetup if `hasLoaded` returns false.\n   *\n   * @param {number} wait\n   *        How long to wait in ms\n   *\n   * @param {module:videojs} [vjs]\n   *        The videojs library function\n   */\n\n\n  function autoSetupTimeout(wait, vjs) {\n    if (vjs) {\n      videojs = vjs;\n    }\n\n    window$3.setTimeout(autoSetup, wait);\n  }\n  /**\n   * Used to set the internal tracking of window loaded state to true.\n   *\n   * @private\n   */\n\n\n  function setWindowLoaded() {\n    _windowLoaded = true;\n    window$3.removeEventListener('load', setWindowLoaded);\n  }\n\n  if (isReal()) {\n    if (document.readyState === 'complete') {\n      setWindowLoaded();\n    } else {\n      /**\n       * Listen for the load event on window, and set _windowLoaded to true.\n       *\n       * We use a standard event listener here to avoid incrementing the GUID\n       * before any players are created.\n       *\n       * @listens load\n       */\n      window$3.addEventListener('load', setWindowLoaded);\n    }\n  }\n\n  /**\n   * @file stylesheet.js\n   * @module stylesheet\n   */\n  /**\n   * Create a DOM syle element given a className for it.\n   *\n   * @param {string} className\n   *        The className to add to the created style element.\n   *\n   * @return {Element}\n   *         The element that was created.\n   */\n\n  var createStyleElement = function createStyleElement(className) {\n    var style = document.createElement('style');\n    style.className = className;\n    return style;\n  };\n  /**\n   * Add text to a DOM element.\n   *\n   * @param {Element} el\n   *        The Element to add text content to.\n   *\n   * @param {string} content\n   *        The text to add to the element.\n   */\n\n  var setTextContent = function setTextContent(el, content) {\n    if (el.styleSheet) {\n      el.styleSheet.cssText = content;\n    } else {\n      el.textContent = content;\n    }\n  };\n\n  /**\n   * @file guid.js\n   * @module guid\n   */\n  // Default value for GUIDs. This allows us to reset the GUID counter in tests.\n  //\n  // The initial GUID is 3 because some users have come to rely on the first\n  // default player ID ending up as `vjs_video_3`.\n  //\n  // See: https://github.com/videojs/video.js/pull/6216\n  var _initialGuid = 3;\n  /**\n   * Unique ID for an element or function\n   *\n   * @type {Number}\n   */\n\n  var _guid = _initialGuid;\n  /**\n   * Get a unique auto-incrementing ID by number that has not been returned before.\n   *\n   * @return {number}\n   *         A new unique ID.\n   */\n\n  function newGUID() {\n    return _guid++;\n  }\n\n  /**\n   * @file dom-data.js\n   * @module dom-data\n   */\n  var FakeWeakMap;\n\n  if (!window$3.WeakMap) {\n    FakeWeakMap = /*#__PURE__*/function () {\n      function FakeWeakMap() {\n        this.vdata = 'vdata' + Math.floor(window$3.performance && window$3.performance.now() || Date.now());\n        this.data = {};\n      }\n\n      var _proto = FakeWeakMap.prototype;\n\n      _proto.set = function set(key, value) {\n        var access = key[this.vdata] || newGUID();\n\n        if (!key[this.vdata]) {\n          key[this.vdata] = access;\n        }\n\n        this.data[access] = value;\n        return this;\n      };\n\n      _proto.get = function get(key) {\n        var access = key[this.vdata]; // we have data, return it\n\n        if (access) {\n          return this.data[access];\n        } // we don't have data, return nothing.\n        // return undefined explicitly as that's the contract for this method\n\n\n        log('We have no data for this element', key);\n        return undefined;\n      };\n\n      _proto.has = function has(key) {\n        var access = key[this.vdata];\n        return access in this.data;\n      };\n\n      _proto[\"delete\"] = function _delete(key) {\n        var access = key[this.vdata];\n\n        if (access) {\n          delete this.data[access];\n          delete key[this.vdata];\n        }\n      };\n\n      return FakeWeakMap;\n    }();\n  }\n  /**\n   * Element Data Store.\n   *\n   * Allows for binding data to an element without putting it directly on the\n   * element. Ex. Event listeners are stored here.\n   * (also from jsninja.com, slightly modified and updated for closure compiler)\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  var DomData = window$3.WeakMap ? new WeakMap() : new FakeWeakMap();\n\n  /**\n   * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)\n   * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)\n   * This should work very similarly to jQuery's events, however it's based off the book version which isn't as\n   * robust as jquery's, so there's probably some differences.\n   *\n   * @file events.js\n   * @module events\n   */\n  /**\n   * Clean up the listener cache and dispatchers\n   *\n   * @param {Element|Object} elem\n   *        Element to clean up\n   *\n   * @param {string} type\n   *        Type of event to clean up\n   */\n\n  function _cleanUpEvents(elem, type) {\n    if (!DomData.has(elem)) {\n      return;\n    }\n\n    var data = DomData.get(elem); // Remove the events of a particular type if there are none left\n\n    if (data.handlers[type].length === 0) {\n      delete data.handlers[type]; // data.handlers[type] = null;\n      // Setting to null was causing an error with data.handlers\n      // Remove the meta-handler from the element\n\n      if (elem.removeEventListener) {\n        elem.removeEventListener(type, data.dispatcher, false);\n      } else if (elem.detachEvent) {\n        elem.detachEvent('on' + type, data.dispatcher);\n      }\n    } // Remove the events object if there are no types left\n\n\n    if (Object.getOwnPropertyNames(data.handlers).length <= 0) {\n      delete data.handlers;\n      delete data.dispatcher;\n      delete data.disabled;\n    } // Finally remove the element data if there is no data left\n\n\n    if (Object.getOwnPropertyNames(data).length === 0) {\n      DomData[\"delete\"](elem);\n    }\n  }\n  /**\n   * Loops through an array of event types and calls the requested method for each type.\n   *\n   * @param {Function} fn\n   *        The event method we want to use.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind listeners to\n   *\n   * @param {string} type\n   *        Type of event to bind to.\n   *\n   * @param {EventTarget~EventListener} callback\n   *        Event listener.\n   */\n\n\n  function _handleMultipleEvents(fn, elem, types, callback) {\n    types.forEach(function (type) {\n      // Call the event method for each one of the types\n      fn(elem, type, callback);\n    });\n  }\n  /**\n   * Fix a native event to have standard property values\n   *\n   * @param {Object} event\n   *        Event object to fix.\n   *\n   * @return {Object}\n   *         Fixed event object.\n   */\n\n\n  function fixEvent(event) {\n    if (event.fixed_) {\n      return event;\n    }\n\n    function returnTrue() {\n      return true;\n    }\n\n    function returnFalse() {\n      return false;\n    } // Test if fixing up is needed\n    // Used to check if !event.stopPropagation instead of isPropagationStopped\n    // But native events return true for stopPropagation, but don't have\n    // other expected methods like isPropagationStopped. Seems to be a problem\n    // with the Javascript Ninja code. So we're just overriding all events now.\n\n\n    if (!event || !event.isPropagationStopped) {\n      var old = event || window$3.event;\n      event = {}; // Clone the old object so that we can modify the values event = {};\n      // IE8 Doesn't like when you mess with native event properties\n      // Firefox returns false for event.hasOwnProperty('type') and other props\n      //  which makes copying more difficult.\n      // TODO: Probably best to create a whitelist of event props\n\n      for (var key in old) {\n        // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y\n        // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation\n        // and webkitMovementX/Y\n        if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {\n          // Chrome 32+ warns if you try to copy deprecated returnValue, but\n          // we still want to if preventDefault isn't supported (IE8).\n          if (!(key === 'returnValue' && old.preventDefault)) {\n            event[key] = old[key];\n          }\n        }\n      } // The event occurred on this element\n\n\n      if (!event.target) {\n        event.target = event.srcElement || document;\n      } // Handle which other element the event is related to\n\n\n      if (!event.relatedTarget) {\n        event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;\n      } // Stop the default browser action\n\n\n      event.preventDefault = function () {\n        if (old.preventDefault) {\n          old.preventDefault();\n        }\n\n        event.returnValue = false;\n        old.returnValue = false;\n        event.defaultPrevented = true;\n      };\n\n      event.defaultPrevented = false; // Stop the event from bubbling\n\n      event.stopPropagation = function () {\n        if (old.stopPropagation) {\n          old.stopPropagation();\n        }\n\n        event.cancelBubble = true;\n        old.cancelBubble = true;\n        event.isPropagationStopped = returnTrue;\n      };\n\n      event.isPropagationStopped = returnFalse; // Stop the event from bubbling and executing other handlers\n\n      event.stopImmediatePropagation = function () {\n        if (old.stopImmediatePropagation) {\n          old.stopImmediatePropagation();\n        }\n\n        event.isImmediatePropagationStopped = returnTrue;\n        event.stopPropagation();\n      };\n\n      event.isImmediatePropagationStopped = returnFalse; // Handle mouse position\n\n      if (event.clientX !== null && event.clientX !== undefined) {\n        var doc = document.documentElement;\n        var body = document.body;\n        event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);\n        event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);\n      } // Handle key presses\n\n\n      event.which = event.charCode || event.keyCode; // Fix button for mouse clicks:\n      // 0 == left; 1 == middle; 2 == right\n\n      if (event.button !== null && event.button !== undefined) {\n        // The following is disabled because it does not pass videojs-standard\n        // and... yikes.\n\n        /* eslint-disable */\n        event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;\n        /* eslint-enable */\n      }\n    }\n\n    event.fixed_ = true; // Returns fixed-up instance\n\n    return event;\n  }\n  /**\n   * Whether passive event listeners are supported\n   */\n\n  var _supportsPassive;\n\n  var supportsPassive = function supportsPassive() {\n    if (typeof _supportsPassive !== 'boolean') {\n      _supportsPassive = false;\n\n      try {\n        var opts = Object.defineProperty({}, 'passive', {\n          get: function get() {\n            _supportsPassive = true;\n          }\n        });\n        window$3.addEventListener('test', null, opts);\n        window$3.removeEventListener('test', null, opts);\n      } catch (e) {// disregard\n      }\n    }\n\n    return _supportsPassive;\n  };\n  /**\n   * Touch events Chrome expects to be passive\n   */\n\n\n  var passiveEvents = ['touchstart', 'touchmove'];\n  /**\n   * Add an event listener to element\n   * It stores the handler function in a separate cache object\n   * and adds a generic handler to the element's event,\n   * along with a unique id (guid) to the element.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind listeners to\n   *\n   * @param {string|string[]} type\n   *        Type of event to bind to.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        Event listener.\n   */\n\n  function on(elem, type, fn) {\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(on, elem, type, fn);\n    }\n\n    if (!DomData.has(elem)) {\n      DomData.set(elem, {});\n    }\n\n    var data = DomData.get(elem); // We need a place to store all our handler data\n\n    if (!data.handlers) {\n      data.handlers = {};\n    }\n\n    if (!data.handlers[type]) {\n      data.handlers[type] = [];\n    }\n\n    if (!fn.guid) {\n      fn.guid = newGUID();\n    }\n\n    data.handlers[type].push(fn);\n\n    if (!data.dispatcher) {\n      data.disabled = false;\n\n      data.dispatcher = function (event, hash) {\n        if (data.disabled) {\n          return;\n        }\n\n        event = fixEvent(event);\n        var handlers = data.handlers[event.type];\n\n        if (handlers) {\n          // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.\n          var handlersCopy = handlers.slice(0);\n\n          for (var m = 0, n = handlersCopy.length; m < n; m++) {\n            if (event.isImmediatePropagationStopped()) {\n              break;\n            } else {\n              try {\n                handlersCopy[m].call(elem, event, hash);\n              } catch (e) {\n                log.error(e);\n              }\n            }\n          }\n        }\n      };\n    }\n\n    if (data.handlers[type].length === 1) {\n      if (elem.addEventListener) {\n        var options = false;\n\n        if (supportsPassive() && passiveEvents.indexOf(type) > -1) {\n          options = {\n            passive: true\n          };\n        }\n\n        elem.addEventListener(type, data.dispatcher, options);\n      } else if (elem.attachEvent) {\n        elem.attachEvent('on' + type, data.dispatcher);\n      }\n    }\n  }\n  /**\n   * Removes event listeners from an element\n   *\n   * @param {Element|Object} elem\n   *        Object to remove listeners from.\n   *\n   * @param {string|string[]} [type]\n   *        Type of listener to remove. Don't include to remove all events from element.\n   *\n   * @param {EventTarget~EventListener} [fn]\n   *        Specific listener to remove. Don't include to remove listeners for an event\n   *        type.\n   */\n\n  function off(elem, type, fn) {\n    // Don't want to add a cache object through getElData if not needed\n    if (!DomData.has(elem)) {\n      return;\n    }\n\n    var data = DomData.get(elem); // If no events exist, nothing to unbind\n\n    if (!data.handlers) {\n      return;\n    }\n\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(off, elem, type, fn);\n    } // Utility function\n\n\n    var removeType = function removeType(el, t) {\n      data.handlers[t] = [];\n\n      _cleanUpEvents(el, t);\n    }; // Are we removing all bound events?\n\n\n    if (type === undefined) {\n      for (var t in data.handlers) {\n        if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {\n          removeType(elem, t);\n        }\n      }\n\n      return;\n    }\n\n    var handlers = data.handlers[type]; // If no handlers exist, nothing to unbind\n\n    if (!handlers) {\n      return;\n    } // If no listener was provided, remove all listeners for type\n\n\n    if (!fn) {\n      removeType(elem, type);\n      return;\n    } // We're only removing a single handler\n\n\n    if (fn.guid) {\n      for (var n = 0; n < handlers.length; n++) {\n        if (handlers[n].guid === fn.guid) {\n          handlers.splice(n--, 1);\n        }\n      }\n    }\n\n    _cleanUpEvents(elem, type);\n  }\n  /**\n   * Trigger an event for an element\n   *\n   * @param {Element|Object} elem\n   *        Element to trigger an event on\n   *\n   * @param {EventTarget~Event|string} event\n   *        A string (the type) or an event object with a type attribute\n   *\n   * @param {Object} [hash]\n   *        data hash to pass along with the event\n   *\n   * @return {boolean|undefined}\n   *         Returns the opposite of `defaultPrevented` if default was\n   *         prevented. Otherwise, returns `undefined`\n   */\n\n  function trigger(elem, event, hash) {\n    // Fetches element data and a reference to the parent (for bubbling).\n    // Don't want to add a data object to cache for every parent,\n    // so checking hasElData first.\n    var elemData = DomData.has(elem) ? DomData.get(elem) : {};\n    var parent = elem.parentNode || elem.ownerDocument; // type = event.type || event,\n    // handler;\n    // If an event name was passed as a string, creates an event out of it\n\n    if (typeof event === 'string') {\n      event = {\n        type: event,\n        target: elem\n      };\n    } else if (!event.target) {\n      event.target = elem;\n    } // Normalizes the event properties.\n\n\n    event = fixEvent(event); // If the passed element has a dispatcher, executes the established handlers.\n\n    if (elemData.dispatcher) {\n      elemData.dispatcher.call(elem, event, hash);\n    } // Unless explicitly stopped or the event does not bubble (e.g. media events)\n    // recursively calls this function to bubble the event up the DOM.\n\n\n    if (parent && !event.isPropagationStopped() && event.bubbles === true) {\n      trigger.call(null, parent, event, hash); // If at the top of the DOM, triggers the default action unless disabled.\n    } else if (!parent && !event.defaultPrevented && event.target && event.target[event.type]) {\n      if (!DomData.has(event.target)) {\n        DomData.set(event.target, {});\n      }\n\n      var targetData = DomData.get(event.target); // Checks if the target has a default action for this event.\n\n      if (event.target[event.type]) {\n        // Temporarily disables event dispatching on the target as we have already executed the handler.\n        targetData.disabled = true; // Executes the default action.\n\n        if (typeof event.target[event.type] === 'function') {\n          event.target[event.type]();\n        } // Re-enables event dispatching.\n\n\n        targetData.disabled = false;\n      }\n    } // Inform the triggerer if the default was prevented by returning false\n\n\n    return !event.defaultPrevented;\n  }\n  /**\n   * Trigger a listener only once for an event.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind to.\n   *\n   * @param {string|string[]} type\n   *        Name/type of event\n   *\n   * @param {Event~EventListener} fn\n   *        Event listener function\n   */\n\n  function one(elem, type, fn) {\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(one, elem, type, fn);\n    }\n\n    var func = function func() {\n      off(elem, type, func);\n      fn.apply(this, arguments);\n    }; // copy the guid to the new function so it can removed using the original function's ID\n\n\n    func.guid = fn.guid = fn.guid || newGUID();\n    on(elem, type, func);\n  }\n  /**\n   * Trigger a listener only once and then turn if off for all\n   * configured events\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind to.\n   *\n   * @param {string|string[]} type\n   *        Name/type of event\n   *\n   * @param {Event~EventListener} fn\n   *        Event listener function\n   */\n\n  function any(elem, type, fn) {\n    var func = function func() {\n      off(elem, type, func);\n      fn.apply(this, arguments);\n    }; // copy the guid to the new function so it can removed using the original function's ID\n\n\n    func.guid = fn.guid = fn.guid || newGUID(); // multiple ons, but one off for everything\n\n    on(elem, type, func);\n  }\n\n  var Events = /*#__PURE__*/Object.freeze({\n    fixEvent: fixEvent,\n    on: on,\n    off: off,\n    trigger: trigger,\n    one: one,\n    any: any\n  });\n\n  /**\n   * @file fn.js\n   * @module fn\n   */\n  var UPDATE_REFRESH_INTERVAL = 30;\n  /**\n   * Bind (a.k.a proxy or context). A simple method for changing the context of\n   * a function.\n   *\n   * It also stores a unique id on the function so it can be easily removed from\n   * events.\n   *\n   * @function\n   * @param    {Mixed} context\n   *           The object to bind as scope.\n   *\n   * @param    {Function} fn\n   *           The function to be bound to a scope.\n   *\n   * @param    {number} [uid]\n   *           An optional unique ID for the function to be set\n   *\n   * @return   {Function}\n   *           The new function that will be bound into the context given\n   */\n\n  var bind = function bind(context, fn, uid) {\n    // Make sure the function has a unique ID\n    if (!fn.guid) {\n      fn.guid = newGUID();\n    } // Create the new function that changes the context\n\n\n    var bound = fn.bind(context); // Allow for the ability to individualize this function\n    // Needed in the case where multiple objects might share the same prototype\n    // IF both items add an event listener with the same function, then you try to remove just one\n    // it will remove both because they both have the same guid.\n    // when using this, you need to use the bind method when you remove the listener as well.\n    // currently used in text tracks\n\n    bound.guid = uid ? uid + '_' + fn.guid : fn.guid;\n    return bound;\n  };\n  /**\n   * Wraps the given function, `fn`, with a new function that only invokes `fn`\n   * at most once per every `wait` milliseconds.\n   *\n   * @function\n   * @param    {Function} fn\n   *           The function to be throttled.\n   *\n   * @param    {number}   wait\n   *           The number of milliseconds by which to throttle.\n   *\n   * @return   {Function}\n   */\n\n  var throttle = function throttle(fn, wait) {\n    var last = window$3.performance.now();\n\n    var throttled = function throttled() {\n      var now = window$3.performance.now();\n\n      if (now - last >= wait) {\n        fn.apply(void 0, arguments);\n        last = now;\n      }\n    };\n\n    return throttled;\n  };\n  /**\n   * Creates a debounced function that delays invoking `func` until after `wait`\n   * milliseconds have elapsed since the last time the debounced function was\n   * invoked.\n   *\n   * Inspired by lodash and underscore implementations.\n   *\n   * @function\n   * @param    {Function} func\n   *           The function to wrap with debounce behavior.\n   *\n   * @param    {number} wait\n   *           The number of milliseconds to wait after the last invocation.\n   *\n   * @param    {boolean} [immediate]\n   *           Whether or not to invoke the function immediately upon creation.\n   *\n   * @param    {Object} [context=window]\n   *           The \"context\" in which the debounced function should debounce. For\n   *           example, if this function should be tied to a Video.js player,\n   *           the player can be passed here. Alternatively, defaults to the\n   *           global `window` object.\n   *\n   * @return   {Function}\n   *           A debounced function.\n   */\n\n  var debounce = function debounce(func, wait, immediate, context) {\n    if (context === void 0) {\n      context = window$3;\n    }\n\n    var timeout;\n\n    var cancel = function cancel() {\n      context.clearTimeout(timeout);\n      timeout = null;\n    };\n    /* eslint-disable consistent-this */\n\n\n    var debounced = function debounced() {\n      var self = this;\n      var args = arguments;\n\n      var _later = function later() {\n        timeout = null;\n        _later = null;\n\n        if (!immediate) {\n          func.apply(self, args);\n        }\n      };\n\n      if (!timeout && immediate) {\n        func.apply(self, args);\n      }\n\n      context.clearTimeout(timeout);\n      timeout = context.setTimeout(_later, wait);\n    };\n    /* eslint-enable consistent-this */\n\n\n    debounced.cancel = cancel;\n    return debounced;\n  };\n\n  /**\n   * @file src/js/event-target.js\n   */\n  /**\n   * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It\n   * adds shorthand functions that wrap around lengthy functions. For example:\n   * the `on` function is a wrapper around `addEventListener`.\n   *\n   * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}\n   * @class EventTarget\n   */\n\n  var EventTarget = function EventTarget() {};\n  /**\n   * A Custom DOM event.\n   *\n   * @typedef {Object} EventTarget~Event\n   * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}\n   */\n\n  /**\n   * All event listeners should follow the following format.\n   *\n   * @callback EventTarget~EventListener\n   * @this {EventTarget}\n   *\n   * @param {EventTarget~Event} event\n   *        the event that triggered this function\n   *\n   * @param {Object} [hash]\n   *        hash of data sent during the event\n   */\n\n  /**\n   * An object containing event names as keys and booleans as values.\n   *\n   * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}\n   *         will have extra functionality. See that function for more information.\n   *\n   * @property EventTarget.prototype.allowedEvents_\n   * @private\n   */\n\n\n  EventTarget.prototype.allowedEvents_ = {};\n  /**\n   * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a\n   * function that will get called when an event with a certain name gets triggered.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to call with `EventTarget`s\n   */\n\n  EventTarget.prototype.on = function (type, fn) {\n    // Remove the addEventListener alias before calling Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    on(this, type, fn);\n    this.addEventListener = ael;\n  };\n  /**\n   * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#on}\n   */\n\n\n  EventTarget.prototype.addEventListener = EventTarget.prototype.on;\n  /**\n   * Removes an `event listener` for a specific event from an instance of `EventTarget`.\n   * This makes it so that the `event listener` will no longer get called when the\n   * named event happens.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to remove.\n   */\n\n  EventTarget.prototype.off = function (type, fn) {\n    off(this, type, fn);\n  };\n  /**\n   * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#off}\n   */\n\n\n  EventTarget.prototype.removeEventListener = EventTarget.prototype.off;\n  /**\n   * This function will add an `event listener` that gets triggered only once. After the\n   * first trigger it will get removed. This is like adding an `event listener`\n   * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to be called once for each event name.\n   */\n\n  EventTarget.prototype.one = function (type, fn) {\n    // Remove the addEventListener aliasing Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    one(this, type, fn);\n    this.addEventListener = ael;\n  };\n\n  EventTarget.prototype.any = function (type, fn) {\n    // Remove the addEventListener aliasing Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    any(this, type, fn);\n    this.addEventListener = ael;\n  };\n  /**\n   * This function causes an event to happen. This will then cause any `event listeners`\n   * that are waiting for that event, to get called. If there are no `event listeners`\n   * for an event then nothing will happen.\n   *\n   * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.\n   * Trigger will also call the `on` + `uppercaseEventName` function.\n   *\n   * Example:\n   * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call\n   * `onClick` if it exists.\n   *\n   * @param {string|EventTarget~Event|Object} event\n   *        The name of the event, an `Event`, or an object with a key of type set to\n   *        an event name.\n   */\n\n\n  EventTarget.prototype.trigger = function (event) {\n    var type = event.type || event; // deprecation\n    // In a future version we should default target to `this`\n    // similar to how we default the target to `elem` in\n    // `Events.trigger`. Right now the default `target` will be\n    // `document` due to the `Event.fixEvent` call.\n\n    if (typeof event === 'string') {\n      event = {\n        type: type\n      };\n    }\n\n    event = fixEvent(event);\n\n    if (this.allowedEvents_[type] && this['on' + type]) {\n      this['on' + type](event);\n    }\n\n    trigger(this, event);\n  };\n  /**\n   * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#trigger}\n   */\n\n\n  EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;\n  var EVENT_MAP;\n\n  EventTarget.prototype.queueTrigger = function (event) {\n    var _this = this;\n\n    // only set up EVENT_MAP if it'll be used\n    if (!EVENT_MAP) {\n      EVENT_MAP = new Map();\n    }\n\n    var type = event.type || event;\n    var map = EVENT_MAP.get(this);\n\n    if (!map) {\n      map = new Map();\n      EVENT_MAP.set(this, map);\n    }\n\n    var oldTimeout = map.get(type);\n    map[\"delete\"](type);\n    window$3.clearTimeout(oldTimeout);\n    var timeout = window$3.setTimeout(function () {\n      // if we cleared out all timeouts for the current target, delete its map\n      if (map.size === 0) {\n        map = null;\n        EVENT_MAP[\"delete\"](_this);\n      }\n\n      _this.trigger(event);\n    }, 0);\n    map.set(type, timeout);\n  };\n\n  /**\n   * @file mixins/evented.js\n   * @module evented\n   */\n  /**\n   * Returns whether or not an object has had the evented mixin applied.\n   *\n   * @param  {Object} object\n   *         An object to test.\n   *\n   * @return {boolean}\n   *         Whether or not the object appears to be evented.\n   */\n\n  var isEvented = function isEvented(object) {\n    return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {\n      return typeof object[k] === 'function';\n    });\n  };\n  /**\n   * Adds a callback to run after the evented mixin applied.\n   *\n   * @param  {Object} object\n   *         An object to Add\n   * @param  {Function} callback\n   *         The callback to run.\n   */\n\n\n  var addEventedCallback = function addEventedCallback(target, callback) {\n    if (isEvented(target)) {\n      callback();\n    } else {\n      if (!target.eventedCallbacks) {\n        target.eventedCallbacks = [];\n      }\n\n      target.eventedCallbacks.push(callback);\n    }\n  };\n  /**\n   * Whether a value is a valid event type - non-empty string or array.\n   *\n   * @private\n   * @param  {string|Array} type\n   *         The type value to test.\n   *\n   * @return {boolean}\n   *         Whether or not the type is a valid event type.\n   */\n\n\n  var isValidEventType = function isValidEventType(type) {\n    return (// The regex here verifies that the `type` contains at least one non-\n      // whitespace character.\n      typeof type === 'string' && /\\S/.test(type) || Array.isArray(type) && !!type.length\n    );\n  };\n  /**\n   * Validates a value to determine if it is a valid event target. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the target does not appear to be a valid event target.\n   *\n   * @param  {Object} target\n   *         The object to test.\n   */\n\n\n  var validateTarget = function validateTarget(target) {\n    if (!target.nodeName && !isEvented(target)) {\n      throw new Error('Invalid target; must be a DOM node or evented object.');\n    }\n  };\n  /**\n   * Validates a value to determine if it is a valid event target. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the type does not appear to be a valid event type.\n   *\n   * @param  {string|Array} type\n   *         The type to test.\n   */\n\n\n  var validateEventType = function validateEventType(type) {\n    if (!isValidEventType(type)) {\n      throw new Error('Invalid event type; must be a non-empty string or array.');\n    }\n  };\n  /**\n   * Validates a value to determine if it is a valid listener. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the listener is not a function.\n   *\n   * @param  {Function} listener\n   *         The listener to test.\n   */\n\n\n  var validateListener = function validateListener(listener) {\n    if (typeof listener !== 'function') {\n      throw new Error('Invalid listener; must be a function.');\n    }\n  };\n  /**\n   * Takes an array of arguments given to `on()` or `one()`, validates them, and\n   * normalizes them into an object.\n   *\n   * @private\n   * @param  {Object} self\n   *         The evented object on which `on()` or `one()` was called. This\n   *         object will be bound as the `this` value for the listener.\n   *\n   * @param  {Array} args\n   *         An array of arguments passed to `on()` or `one()`.\n   *\n   * @return {Object}\n   *         An object containing useful values for `on()` or `one()` calls.\n   */\n\n\n  var normalizeListenArgs = function normalizeListenArgs(self, args) {\n    // If the number of arguments is less than 3, the target is always the\n    // evented object itself.\n    var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;\n    var target;\n    var type;\n    var listener;\n\n    if (isTargetingSelf) {\n      target = self.eventBusEl_; // Deal with cases where we got 3 arguments, but we are still listening to\n      // the evented object itself.\n\n      if (args.length >= 3) {\n        args.shift();\n      }\n\n      type = args[0];\n      listener = args[1];\n    } else {\n      target = args[0];\n      type = args[1];\n      listener = args[2];\n    }\n\n    validateTarget(target);\n    validateEventType(type);\n    validateListener(listener);\n    listener = bind(self, listener);\n    return {\n      isTargetingSelf: isTargetingSelf,\n      target: target,\n      type: type,\n      listener: listener\n    };\n  };\n  /**\n   * Adds the listener to the event type(s) on the target, normalizing for\n   * the type of target.\n   *\n   * @private\n   * @param  {Element|Object} target\n   *         A DOM node or evented object.\n   *\n   * @param  {string} method\n   *         The event binding method to use (\"on\" or \"one\").\n   *\n   * @param  {string|Array} type\n   *         One or more event type(s).\n   *\n   * @param  {Function} listener\n   *         A listener function.\n   */\n\n\n  var listen = function listen(target, method, type, listener) {\n    validateTarget(target);\n\n    if (target.nodeName) {\n      Events[method](target, type, listener);\n    } else {\n      target[method](type, listener);\n    }\n  };\n  /**\n   * Contains methods that provide event capabilities to an object which is passed\n   * to {@link module:evented|evented}.\n   *\n   * @mixin EventedMixin\n   */\n\n\n  var EventedMixin = {\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    on: function on() {\n      var _this = this;\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var _normalizeListenArgs = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs.isTargetingSelf,\n          target = _normalizeListenArgs.target,\n          type = _normalizeListenArgs.type,\n          listener = _normalizeListenArgs.listener;\n\n      listen(target, 'on', type, listener); // If this object is listening to another evented object.\n\n      if (!isTargetingSelf) {\n        // If this object is disposed, remove the listener.\n        var removeListenerOnDispose = function removeListenerOnDispose() {\n          return _this.off(target, type, listener);\n        }; // Use the same function ID as the listener so we can remove it later it\n        // using the ID of the original listener.\n\n\n        removeListenerOnDispose.guid = listener.guid; // Add a listener to the target's dispose event as well. This ensures\n        // that if the target is disposed BEFORE this object, we remove the\n        // removal listener that was just added. Otherwise, we create a memory leak.\n\n        var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {\n          return _this.off('dispose', removeListenerOnDispose);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        removeRemoverOnTargetDispose.guid = listener.guid;\n        listen(this, 'on', 'dispose', removeListenerOnDispose);\n        listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);\n      }\n    },\n\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object. The listener will be called once per event and then removed.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    one: function one() {\n      var _this2 = this;\n\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      var _normalizeListenArgs2 = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,\n          target = _normalizeListenArgs2.target,\n          type = _normalizeListenArgs2.type,\n          listener = _normalizeListenArgs2.listener; // Targeting this evented object.\n\n\n      if (isTargetingSelf) {\n        listen(target, 'one', type, listener); // Targeting another evented object.\n      } else {\n        // TODO: This wrapper is incorrect! It should only\n        //       remove the wrapper for the event type that called it.\n        //       Instead all listners are removed on the first trigger!\n        //       see https://github.com/videojs/video.js/issues/5962\n        var wrapper = function wrapper() {\n          _this2.off(target, type, wrapper);\n\n          for (var _len3 = arguments.length, largs = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n            largs[_key3] = arguments[_key3];\n          }\n\n          listener.apply(null, largs);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        wrapper.guid = listener.guid;\n        listen(target, 'one', type, wrapper);\n      }\n    },\n\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object. The listener will only be called once for the first event that is triggered\n     * then removed.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    any: function any() {\n      var _this3 = this;\n\n      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n        args[_key4] = arguments[_key4];\n      }\n\n      var _normalizeListenArgs3 = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs3.isTargetingSelf,\n          target = _normalizeListenArgs3.target,\n          type = _normalizeListenArgs3.type,\n          listener = _normalizeListenArgs3.listener; // Targeting this evented object.\n\n\n      if (isTargetingSelf) {\n        listen(target, 'any', type, listener); // Targeting another evented object.\n      } else {\n        var wrapper = function wrapper() {\n          _this3.off(target, type, wrapper);\n\n          for (var _len5 = arguments.length, largs = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {\n            largs[_key5] = arguments[_key5];\n          }\n\n          listener.apply(null, largs);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        wrapper.guid = listener.guid;\n        listen(target, 'any', type, wrapper);\n      }\n    },\n\n    /**\n     * Removes listener(s) from event(s) on an evented object.\n     *\n     * @param  {string|Array|Element|Object} [targetOrType]\n     *         If this is a string or array, it represents the event type(s).\n     *\n     *         Another evented object can be passed here instead, in which case\n     *         ALL 3 arguments are _required_.\n     *\n     * @param  {string|Array|Function} [typeOrListener]\n     *         If the first argument was a string or array, this may be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function; otherwise, _all_ listeners bound to the\n     *         event type(s) will be removed.\n     */\n    off: function off$1(targetOrType, typeOrListener, listener) {\n      // Targeting this evented object.\n      if (!targetOrType || isValidEventType(targetOrType)) {\n        off(this.eventBusEl_, targetOrType, typeOrListener); // Targeting another evented object.\n      } else {\n        var target = targetOrType;\n        var type = typeOrListener; // Fail fast and in a meaningful way!\n\n        validateTarget(target);\n        validateEventType(type);\n        validateListener(listener); // Ensure there's at least a guid, even if the function hasn't been used\n\n        listener = bind(this, listener); // Remove the dispose listener on this evented object, which was given\n        // the same guid as the event listener in on().\n\n        this.off('dispose', listener);\n\n        if (target.nodeName) {\n          off(target, type, listener);\n          off(target, 'dispose', listener);\n        } else if (isEvented(target)) {\n          target.off(type, listener);\n          target.off('dispose', listener);\n        }\n      }\n    },\n\n    /**\n     * Fire an event on this evented object, causing its listeners to be called.\n     *\n     * @param   {string|Object} event\n     *          An event type or an object with a type property.\n     *\n     * @param   {Object} [hash]\n     *          An additional object to pass along to listeners.\n     *\n     * @return {boolean}\n     *          Whether or not the default behavior was prevented.\n     */\n    trigger: function trigger$1(event, hash) {\n      return trigger(this.eventBusEl_, event, hash);\n    }\n  };\n  /**\n   * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.\n   *\n   * @param  {Object} target\n   *         The object to which to add event methods.\n   *\n   * @param  {Object} [options={}]\n   *         Options for customizing the mixin behavior.\n   *\n   * @param  {string} [options.eventBusKey]\n   *         By default, adds a `eventBusEl_` DOM element to the target object,\n   *         which is used as an event bus. If the target object already has a\n   *         DOM element that should be used, pass its key here.\n   *\n   * @return {Object}\n   *         The target object.\n   */\n\n  function evented(target, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var _options = options,\n        eventBusKey = _options.eventBusKey; // Set or create the eventBusEl_.\n\n    if (eventBusKey) {\n      if (!target[eventBusKey].nodeName) {\n        throw new Error(\"The eventBusKey \\\"\" + eventBusKey + \"\\\" does not refer to an element.\");\n      }\n\n      target.eventBusEl_ = target[eventBusKey];\n    } else {\n      target.eventBusEl_ = createEl('span', {\n        className: 'vjs-event-bus'\n      });\n    }\n\n    assign(target, EventedMixin);\n\n    if (target.eventedCallbacks) {\n      target.eventedCallbacks.forEach(function (callback) {\n        callback();\n      });\n    } // When any evented object is disposed, it removes all its listeners.\n\n\n    target.on('dispose', function () {\n      target.off();\n      window$3.setTimeout(function () {\n        target.eventBusEl_ = null;\n      }, 0);\n    });\n    return target;\n  }\n\n  /**\n   * @file mixins/stateful.js\n   * @module stateful\n   */\n  /**\n   * Contains methods that provide statefulness to an object which is passed\n   * to {@link module:stateful}.\n   *\n   * @mixin StatefulMixin\n   */\n\n  var StatefulMixin = {\n    /**\n     * A hash containing arbitrary keys and values representing the state of\n     * the object.\n     *\n     * @type {Object}\n     */\n    state: {},\n\n    /**\n     * Set the state of an object by mutating its\n     * {@link module:stateful~StatefulMixin.state|state} object in place.\n     *\n     * @fires   module:stateful~StatefulMixin#statechanged\n     * @param   {Object|Function} stateUpdates\n     *          A new set of properties to shallow-merge into the plugin state.\n     *          Can be a plain object or a function returning a plain object.\n     *\n     * @return {Object|undefined}\n     *          An object containing changes that occurred. If no changes\n     *          occurred, returns `undefined`.\n     */\n    setState: function setState(stateUpdates) {\n      var _this = this;\n\n      // Support providing the `stateUpdates` state as a function.\n      if (typeof stateUpdates === 'function') {\n        stateUpdates = stateUpdates();\n      }\n\n      var changes;\n      each(stateUpdates, function (value, key) {\n        // Record the change if the value is different from what's in the\n        // current state.\n        if (_this.state[key] !== value) {\n          changes = changes || {};\n          changes[key] = {\n            from: _this.state[key],\n            to: value\n          };\n        }\n\n        _this.state[key] = value;\n      }); // Only trigger \"statechange\" if there were changes AND we have a trigger\n      // function. This allows us to not require that the target object be an\n      // evented object.\n\n      if (changes && isEvented(this)) {\n        /**\n         * An event triggered on an object that is both\n         * {@link module:stateful|stateful} and {@link module:evented|evented}\n         * indicating that its state has changed.\n         *\n         * @event    module:stateful~StatefulMixin#statechanged\n         * @type     {Object}\n         * @property {Object} changes\n         *           A hash containing the properties that were changed and\n         *           the values they were changed `from` and `to`.\n         */\n        this.trigger({\n          changes: changes,\n          type: 'statechanged'\n        });\n      }\n\n      return changes;\n    }\n  };\n  /**\n   * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target\n   * object.\n   *\n   * If the target object is {@link module:evented|evented} and has a\n   * `handleStateChanged` method, that method will be automatically bound to the\n   * `statechanged` event on itself.\n   *\n   * @param   {Object} target\n   *          The object to be made stateful.\n   *\n   * @param   {Object} [defaultState]\n   *          A default set of properties to populate the newly-stateful object's\n   *          `state` property.\n   *\n   * @return {Object}\n   *          Returns the `target`.\n   */\n\n  function stateful(target, defaultState) {\n    assign(target, StatefulMixin); // This happens after the mixing-in because we need to replace the `state`\n    // added in that step.\n\n    target.state = assign({}, target.state, defaultState); // Auto-bind the `handleStateChanged` method of the target object if it exists.\n\n    if (typeof target.handleStateChanged === 'function' && isEvented(target)) {\n      target.on('statechanged', target.handleStateChanged);\n    }\n\n    return target;\n  }\n\n  /**\n   * @file string-cases.js\n   * @module to-lower-case\n   */\n\n  /**\n   * Lowercase the first letter of a string.\n   *\n   * @param {string} string\n   *        String to be lowercased\n   *\n   * @return {string}\n   *         The string with a lowercased first letter\n   */\n  var toLowerCase = function toLowerCase(string) {\n    if (typeof string !== 'string') {\n      return string;\n    }\n\n    return string.replace(/./, function (w) {\n      return w.toLowerCase();\n    });\n  };\n  /**\n   * Uppercase the first letter of a string.\n   *\n   * @param {string} string\n   *        String to be uppercased\n   *\n   * @return {string}\n   *         The string with an uppercased first letter\n   */\n\n  var toTitleCase = function toTitleCase(string) {\n    if (typeof string !== 'string') {\n      return string;\n    }\n\n    return string.replace(/./, function (w) {\n      return w.toUpperCase();\n    });\n  };\n  /**\n   * Compares the TitleCase versions of the two strings for equality.\n   *\n   * @param {string} str1\n   *        The first string to compare\n   *\n   * @param {string} str2\n   *        The second string to compare\n   *\n   * @return {boolean}\n   *         Whether the TitleCase versions of the strings are equal\n   */\n\n  var titleCaseEquals = function titleCaseEquals(str1, str2) {\n    return toTitleCase(str1) === toTitleCase(str2);\n  };\n\n  /**\n   * @file merge-options.js\n   * @module merge-options\n   */\n  /**\n   * Merge two objects recursively.\n   *\n   * Performs a deep merge like\n   * {@link https://lodash.com/docs/4.17.10#merge|lodash.merge}, but only merges\n   * plain objects (not arrays, elements, or anything else).\n   *\n   * Non-plain object values will be copied directly from the right-most\n   * argument.\n   *\n   * @static\n   * @param   {Object[]} sources\n   *          One or more objects to merge into a new object.\n   *\n   * @return {Object}\n   *          A new object that is the merged result of all sources.\n   */\n\n  function mergeOptions() {\n    var result = {};\n\n    for (var _len = arguments.length, sources = new Array(_len), _key = 0; _key < _len; _key++) {\n      sources[_key] = arguments[_key];\n    }\n\n    sources.forEach(function (source) {\n      if (!source) {\n        return;\n      }\n\n      each(source, function (value, key) {\n        if (!isPlain(value)) {\n          result[key] = value;\n          return;\n        }\n\n        if (!isPlain(result[key])) {\n          result[key] = {};\n        }\n\n        result[key] = mergeOptions(result[key], value);\n      });\n    });\n    return result;\n  }\n\n  /**\n   * Player Component - Base class for all UI objects\n   *\n   * @file component.js\n   */\n  /**\n   * Base class for all UI Components.\n   * Components are UI objects which represent both a javascript object and an element\n   * in the DOM. They can be children of other components, and can have\n   * children themselves.\n   *\n   * Components can also use methods from {@link EventTarget}\n   */\n\n  var Component = /*#__PURE__*/function () {\n    /**\n     * A callback that is called when a component is ready. Does not have any\n     * paramters and any callback value will be ignored.\n     *\n     * @callback Component~ReadyCallback\n     * @this Component\n     */\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Object[]} [options.children]\n     *        An array of children objects to intialize this component with. Children objects have\n     *        a name property that will be used if more than one component of the same type needs to be\n     *        added.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        Function that gets called when the `Component` is ready.\n     */\n    function Component(player, options, ready) {\n      // The component might be the player itself and we can't pass `this` to super\n      if (!player && this.play) {\n        this.player_ = player = this; // eslint-disable-line\n      } else {\n        this.player_ = player;\n      }\n\n      this.isDisposed_ = false; // Hold the reference to the parent component via `addChild` method\n\n      this.parentComponent_ = null; // Make a copy of prototype.options_ to protect against overriding defaults\n\n      this.options_ = mergeOptions({}, this.options_); // Updated options with supplied options\n\n      options = this.options_ = mergeOptions(this.options_, options); // Get ID from options or options element if one is supplied\n\n      this.id_ = options.id || options.el && options.el.id; // If there was no ID from the options, generate one\n\n      if (!this.id_) {\n        // Don't require the player ID function in the case of mock players\n        var id = player && player.id && player.id() || 'no_player';\n        this.id_ = id + \"_component_\" + newGUID();\n      }\n\n      this.name_ = options.name || null; // Create element if one wasn't provided in options\n\n      if (options.el) {\n        this.el_ = options.el;\n      } else if (options.createEl !== false) {\n        this.el_ = this.createEl();\n      } // if evented is anything except false, we want to mixin in evented\n\n\n      if (options.evented !== false) {\n        // Make this an evented object and use `el_`, if available, as its event bus\n        evented(this, {\n          eventBusKey: this.el_ ? 'el_' : null\n        });\n      }\n\n      stateful(this, this.constructor.defaultState);\n      this.children_ = [];\n      this.childIndex_ = {};\n      this.childNameIndex_ = {};\n      var SetSham;\n\n      if (!window$3.Set) {\n        SetSham = /*#__PURE__*/function () {\n          function SetSham() {\n            this.set_ = {};\n          }\n\n          var _proto2 = SetSham.prototype;\n\n          _proto2.has = function has(key) {\n            return key in this.set_;\n          };\n\n          _proto2[\"delete\"] = function _delete(key) {\n            var has = this.has(key);\n            delete this.set_[key];\n            return has;\n          };\n\n          _proto2.add = function add(key) {\n            this.set_[key] = 1;\n            return this;\n          };\n\n          _proto2.forEach = function forEach(callback, thisArg) {\n            for (var key in this.set_) {\n              callback.call(thisArg, key, key, this);\n            }\n          };\n\n          return SetSham;\n        }();\n      }\n\n      this.setTimeoutIds_ = window$3.Set ? new Set() : new SetSham();\n      this.setIntervalIds_ = window$3.Set ? new Set() : new SetSham();\n      this.rafIds_ = window$3.Set ? new Set() : new SetSham();\n      this.clearingTimersOnDispose_ = false; // Add any child components in options\n\n      if (options.initChildren !== false) {\n        this.initChildren();\n      }\n\n      this.ready(ready); // Don't want to trigger ready here or it will before init is actually\n      // finished for all children that run this constructor\n\n      if (options.reportTouchActivity !== false) {\n        this.enableTouchActivity();\n      }\n    }\n    /**\n     * Dispose of the `Component` and all child components.\n     *\n     * @fires Component#dispose\n     */\n\n\n    var _proto = Component.prototype;\n\n    _proto.dispose = function dispose() {\n      // Bail out if the component has already been disposed.\n      if (this.isDisposed_) {\n        return;\n      }\n      /**\n       * Triggered when a `Component` is disposed.\n       *\n       * @event Component#dispose\n       * @type {EventTarget~Event}\n       *\n       * @property {boolean} [bubbles=false]\n       *           set to false so that the dispose event does not\n       *           bubble up\n       */\n\n\n      this.trigger({\n        type: 'dispose',\n        bubbles: false\n      });\n      this.isDisposed_ = true; // Dispose all children.\n\n      if (this.children_) {\n        for (var i = this.children_.length - 1; i >= 0; i--) {\n          if (this.children_[i].dispose) {\n            this.children_[i].dispose();\n          }\n        }\n      } // Delete child references\n\n\n      this.children_ = null;\n      this.childIndex_ = null;\n      this.childNameIndex_ = null;\n      this.parentComponent_ = null;\n\n      if (this.el_) {\n        // Remove element from DOM\n        if (this.el_.parentNode) {\n          this.el_.parentNode.removeChild(this.el_);\n        }\n\n        if (DomData.has(this.el_)) {\n          DomData[\"delete\"](this.el_);\n        }\n\n        this.el_ = null;\n      } // remove reference to the player after disposing of the element\n\n\n      this.player_ = null;\n    }\n    /**\n     * Determine whether or not this component has been disposed.\n     *\n     * @return {boolean}\n     *         If the component has been disposed, will be `true`. Otherwise, `false`.\n     */\n    ;\n\n    _proto.isDisposed = function isDisposed() {\n      return Boolean(this.isDisposed_);\n    }\n    /**\n     * Return the {@link Player} that the `Component` has attached to.\n     *\n     * @return {Player}\n     *         The player that this `Component` has attached to.\n     */\n    ;\n\n    _proto.player = function player() {\n      return this.player_;\n    }\n    /**\n     * Deep merge of options objects with new options.\n     * > Note: When both `obj` and `options` contain properties whose values are objects.\n     *         The two properties get merged using {@link module:mergeOptions}\n     *\n     * @param {Object} obj\n     *        The object that contains new options.\n     *\n     * @return {Object}\n     *         A new object of `this.options_` and `obj` merged together.\n     */\n    ;\n\n    _proto.options = function options(obj) {\n      if (!obj) {\n        return this.options_;\n      }\n\n      this.options_ = mergeOptions(this.options_, obj);\n      return this.options_;\n    }\n    /**\n     * Get the `Component`s DOM element\n     *\n     * @return {Element}\n     *         The DOM element for this `Component`.\n     */\n    ;\n\n    _proto.el = function el() {\n      return this.el_;\n    }\n    /**\n     * Create the `Component`s DOM element.\n     *\n     * @param {string} [tagName]\n     *        Element's DOM node type. e.g. 'div'\n     *\n     * @param {Object} [properties]\n     *        An object of properties that should be set.\n     *\n     * @param {Object} [attributes]\n     *        An object of attributes that should be set.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1(tagName, properties, attributes) {\n      return createEl(tagName, properties, attributes);\n    }\n    /**\n     * Localize a string given the string in english.\n     *\n     * If tokens are provided, it'll try and run a simple token replacement on the provided string.\n     * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array.\n     *\n     * If a `defaultValue` is provided, it'll use that over `string`,\n     * if a value isn't found in provided language files.\n     * This is useful if you want to have a descriptive key for token replacement\n     * but have a succinct localized string and not require `en.json` to be included.\n     *\n     * Currently, it is used for the progress bar timing.\n     * ```js\n     * {\n     *   \"progress bar timing: currentTime={1} duration={2}\": \"{1} of {2}\"\n     * }\n     * ```\n     * It is then used like so:\n     * ```js\n     * this.localize('progress bar timing: currentTime={1} duration{2}',\n     *               [this.player_.currentTime(), this.player_.duration()],\n     *               '{1} of {2}');\n     * ```\n     *\n     * Which outputs something like: `01:23 of 24:56`.\n     *\n     *\n     * @param {string} string\n     *        The string to localize and the key to lookup in the language files.\n     * @param {string[]} [tokens]\n     *        If the current item has token replacements, provide the tokens here.\n     * @param {string} [defaultValue]\n     *        Defaults to `string`. Can be a default value to use for token replacement\n     *        if the lookup key is needed to be separate.\n     *\n     * @return {string}\n     *         The localized string or if no localization exists the english string.\n     */\n    ;\n\n    _proto.localize = function localize(string, tokens, defaultValue) {\n      if (defaultValue === void 0) {\n        defaultValue = string;\n      }\n\n      var code = this.player_.language && this.player_.language();\n      var languages = this.player_.languages && this.player_.languages();\n      var language = languages && languages[code];\n      var primaryCode = code && code.split('-')[0];\n      var primaryLang = languages && languages[primaryCode];\n      var localizedString = defaultValue;\n\n      if (language && language[string]) {\n        localizedString = language[string];\n      } else if (primaryLang && primaryLang[string]) {\n        localizedString = primaryLang[string];\n      }\n\n      if (tokens) {\n        localizedString = localizedString.replace(/\\{(\\d+)\\}/g, function (match, index) {\n          var value = tokens[index - 1];\n          var ret = value;\n\n          if (typeof value === 'undefined') {\n            ret = match;\n          }\n\n          return ret;\n        });\n      }\n\n      return localizedString;\n    }\n    /**\n     * Return the `Component`s DOM element. This is where children get inserted.\n     * This will usually be the the same as the element returned in {@link Component#el}.\n     *\n     * @return {Element}\n     *         The content element for this `Component`.\n     */\n    ;\n\n    _proto.contentEl = function contentEl() {\n      return this.contentEl_ || this.el_;\n    }\n    /**\n     * Get this `Component`s ID\n     *\n     * @return {string}\n     *         The id of this `Component`\n     */\n    ;\n\n    _proto.id = function id() {\n      return this.id_;\n    }\n    /**\n     * Get the `Component`s name. The name gets used to reference the `Component`\n     * and is set during registration.\n     *\n     * @return {string}\n     *         The name of this `Component`.\n     */\n    ;\n\n    _proto.name = function name() {\n      return this.name_;\n    }\n    /**\n     * Get an array of all child components\n     *\n     * @return {Array}\n     *         The children\n     */\n    ;\n\n    _proto.children = function children() {\n      return this.children_;\n    }\n    /**\n     * Returns the child `Component` with the given `id`.\n     *\n     * @param {string} id\n     *        The id of the child `Component` to get.\n     *\n     * @return {Component|undefined}\n     *         The child `Component` with the given `id` or undefined.\n     */\n    ;\n\n    _proto.getChildById = function getChildById(id) {\n      return this.childIndex_[id];\n    }\n    /**\n     * Returns the child `Component` with the given `name`.\n     *\n     * @param {string} name\n     *        The name of the child `Component` to get.\n     *\n     * @return {Component|undefined}\n     *         The child `Component` with the given `name` or undefined.\n     */\n    ;\n\n    _proto.getChild = function getChild(name) {\n      if (!name) {\n        return;\n      }\n\n      return this.childNameIndex_[name];\n    }\n    /**\n     * Add a child `Component` inside the current `Component`.\n     *\n     *\n     * @param {string|Component} child\n     *        The name or instance of a child to add.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of options that will get passed to children of\n     *        the child.\n     *\n     * @param {number} [index=this.children_.length]\n     *        The index to attempt to add a child into.\n     *\n     * @return {Component}\n     *         The `Component` that gets added as a child. When using a string the\n     *         `Component` will get created by this process.\n     */\n    ;\n\n    _proto.addChild = function addChild(child, options, index) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (index === void 0) {\n        index = this.children_.length;\n      }\n\n      var component;\n      var componentName; // If child is a string, create component with options\n\n      if (typeof child === 'string') {\n        componentName = toTitleCase(child);\n        var componentClassName = options.componentClass || componentName; // Set name through options\n\n        options.name = componentName; // Create a new object & element for this controls set\n        // If there's no .player_, this is a player\n\n        var ComponentClass = Component.getComponent(componentClassName);\n\n        if (!ComponentClass) {\n          throw new Error(\"Component \" + componentClassName + \" does not exist\");\n        } // data stored directly on the videojs object may be\n        // misidentified as a component to retain\n        // backwards-compatibility with 4.x. check to make sure the\n        // component class can be instantiated.\n\n\n        if (typeof ComponentClass !== 'function') {\n          return null;\n        }\n\n        component = new ComponentClass(this.player_ || this, options); // child is a component instance\n      } else {\n        component = child;\n      }\n\n      if (component.parentComponent_) {\n        component.parentComponent_.removeChild(component);\n      }\n\n      this.children_.splice(index, 0, component);\n      component.parentComponent_ = this;\n\n      if (typeof component.id === 'function') {\n        this.childIndex_[component.id()] = component;\n      } // If a name wasn't used to create the component, check if we can use the\n      // name function of the component\n\n\n      componentName = componentName || component.name && toTitleCase(component.name());\n\n      if (componentName) {\n        this.childNameIndex_[componentName] = component;\n        this.childNameIndex_[toLowerCase(componentName)] = component;\n      } // Add the UI object's element to the container div (box)\n      // Having an element is not required\n\n\n      if (typeof component.el === 'function' && component.el()) {\n        // If inserting before a component, insert before that component's element\n        var refNode = null;\n\n        if (this.children_[index + 1] && this.children_[index + 1].el_) {\n          refNode = this.children_[index + 1].el_;\n        }\n\n        this.contentEl().insertBefore(component.el(), refNode);\n      } // Return so it can stored on parent object if desired.\n\n\n      return component;\n    }\n    /**\n     * Remove a child `Component` from this `Component`s list of children. Also removes\n     * the child `Component`s element from this `Component`s element.\n     *\n     * @param {Component} component\n     *        The child `Component` to remove.\n     */\n    ;\n\n    _proto.removeChild = function removeChild(component) {\n      if (typeof component === 'string') {\n        component = this.getChild(component);\n      }\n\n      if (!component || !this.children_) {\n        return;\n      }\n\n      var childFound = false;\n\n      for (var i = this.children_.length - 1; i >= 0; i--) {\n        if (this.children_[i] === component) {\n          childFound = true;\n          this.children_.splice(i, 1);\n          break;\n        }\n      }\n\n      if (!childFound) {\n        return;\n      }\n\n      component.parentComponent_ = null;\n      this.childIndex_[component.id()] = null;\n      this.childNameIndex_[toTitleCase(component.name())] = null;\n      this.childNameIndex_[toLowerCase(component.name())] = null;\n      var compEl = component.el();\n\n      if (compEl && compEl.parentNode === this.contentEl()) {\n        this.contentEl().removeChild(component.el());\n      }\n    }\n    /**\n     * Add and initialize default child `Component`s based upon options.\n     */\n    ;\n\n    _proto.initChildren = function initChildren() {\n      var _this = this;\n\n      var children = this.options_.children;\n\n      if (children) {\n        // `this` is `parent`\n        var parentOptions = this.options_;\n\n        var handleAdd = function handleAdd(child) {\n          var name = child.name;\n          var opts = child.opts; // Allow options for children to be set at the parent options\n          // e.g. videojs(id, { controlBar: false });\n          // instead of videojs(id, { children: { controlBar: false });\n\n          if (parentOptions[name] !== undefined) {\n            opts = parentOptions[name];\n          } // Allow for disabling default components\n          // e.g. options['children']['posterImage'] = false\n\n\n          if (opts === false) {\n            return;\n          } // Allow options to be passed as a simple boolean if no configuration\n          // is necessary.\n\n\n          if (opts === true) {\n            opts = {};\n          } // We also want to pass the original player options\n          // to each component as well so they don't need to\n          // reach back into the player for options later.\n\n\n          opts.playerOptions = _this.options_.playerOptions; // Create and add the child component.\n          // Add a direct reference to the child by name on the parent instance.\n          // If two of the same component are used, different names should be supplied\n          // for each\n\n          var newChild = _this.addChild(name, opts);\n\n          if (newChild) {\n            _this[name] = newChild;\n          }\n        }; // Allow for an array of children details to passed in the options\n\n\n        var workingChildren;\n        var Tech = Component.getComponent('Tech');\n\n        if (Array.isArray(children)) {\n          workingChildren = children;\n        } else {\n          workingChildren = Object.keys(children);\n        }\n\n        workingChildren // children that are in this.options_ but also in workingChildren  would\n        // give us extra children we do not want. So, we want to filter them out.\n        .concat(Object.keys(this.options_).filter(function (child) {\n          return !workingChildren.some(function (wchild) {\n            if (typeof wchild === 'string') {\n              return child === wchild;\n            }\n\n            return child === wchild.name;\n          });\n        })).map(function (child) {\n          var name;\n          var opts;\n\n          if (typeof child === 'string') {\n            name = child;\n            opts = children[name] || _this.options_[name] || {};\n          } else {\n            name = child.name;\n            opts = child;\n          }\n\n          return {\n            name: name,\n            opts: opts\n          };\n        }).filter(function (child) {\n          // we have to make sure that child.name isn't in the techOrder since\n          // techs are registerd as Components but can't aren't compatible\n          // See https://github.com/videojs/video.js/issues/2772\n          var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));\n          return c && !Tech.isTech(c);\n        }).forEach(handleAdd);\n      }\n    }\n    /**\n     * Builds the default DOM class name. Should be overriden by sub-components.\n     *\n     * @return {string}\n     *         The DOM class name for this object.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      // Child classes can include a function that does:\n      // return 'CLASS NAME' + this._super();\n      return '';\n    }\n    /**\n     * Bind a listener to the component's ready state.\n     * Different from event listeners in that if the ready event has already happened\n     * it will trigger the function immediately.\n     *\n     * @return {Component}\n     *         Returns itself; method can be chained.\n     */\n    ;\n\n    _proto.ready = function ready(fn, sync) {\n      if (sync === void 0) {\n        sync = false;\n      }\n\n      if (!fn) {\n        return;\n      }\n\n      if (!this.isReady_) {\n        this.readyQueue_ = this.readyQueue_ || [];\n        this.readyQueue_.push(fn);\n        return;\n      }\n\n      if (sync) {\n        fn.call(this);\n      } else {\n        // Call the function asynchronously by default for consistency\n        this.setTimeout(fn, 1);\n      }\n    }\n    /**\n     * Trigger all the ready listeners for this `Component`.\n     *\n     * @fires Component#ready\n     */\n    ;\n\n    _proto.triggerReady = function triggerReady() {\n      this.isReady_ = true; // Ensure ready is triggered asynchronously\n\n      this.setTimeout(function () {\n        var readyQueue = this.readyQueue_; // Reset Ready Queue\n\n        this.readyQueue_ = [];\n\n        if (readyQueue && readyQueue.length > 0) {\n          readyQueue.forEach(function (fn) {\n            fn.call(this);\n          }, this);\n        } // Allow for using event listeners also\n\n        /**\n         * Triggered when a `Component` is ready.\n         *\n         * @event Component#ready\n         * @type {EventTarget~Event}\n         */\n\n\n        this.trigger('ready');\n      }, 1);\n    }\n    /**\n     * Find a single DOM element matching a `selector`. This can be within the `Component`s\n     * `contentEl()` or another custom context.\n     *\n     * @param {string} selector\n     *        A valid CSS selector, which will be passed to `querySelector`.\n     *\n     * @param {Element|string} [context=this.contentEl()]\n     *        A DOM element within which to query. Can also be a selector string in\n     *        which case the first matching element will get used as context. If\n     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns\n     *        nothing it falls back to `document`.\n     *\n     * @return {Element|null}\n     *         the dom element that was found, or null\n     *\n     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)\n     */\n    ;\n\n    _proto.$ = function $$1(selector, context) {\n      return $(selector, context || this.contentEl());\n    }\n    /**\n     * Finds all DOM element matching a `selector`. This can be within the `Component`s\n     * `contentEl()` or another custom context.\n     *\n     * @param {string} selector\n     *        A valid CSS selector, which will be passed to `querySelectorAll`.\n     *\n     * @param {Element|string} [context=this.contentEl()]\n     *        A DOM element within which to query. Can also be a selector string in\n     *        which case the first matching element will get used as context. If\n     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns\n     *        nothing it falls back to `document`.\n     *\n     * @return {NodeList}\n     *         a list of dom elements that were found\n     *\n     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)\n     */\n    ;\n\n    _proto.$$ = function $$$1(selector, context) {\n      return $$(selector, context || this.contentEl());\n    }\n    /**\n     * Check if a component's element has a CSS class name.\n     *\n     * @param {string} classToCheck\n     *        CSS class name to check.\n     *\n     * @return {boolean}\n     *         - True if the `Component` has the class.\n     *         - False if the `Component` does not have the class`\n     */\n    ;\n\n    _proto.hasClass = function hasClass$1(classToCheck) {\n      return hasClass(this.el_, classToCheck);\n    }\n    /**\n     * Add a CSS class name to the `Component`s element.\n     *\n     * @param {string} classToAdd\n     *        CSS class name to add\n     */\n    ;\n\n    _proto.addClass = function addClass$1(classToAdd) {\n      addClass(this.el_, classToAdd);\n    }\n    /**\n     * Remove a CSS class name from the `Component`s element.\n     *\n     * @param {string} classToRemove\n     *        CSS class name to remove\n     */\n    ;\n\n    _proto.removeClass = function removeClass$1(classToRemove) {\n      removeClass(this.el_, classToRemove);\n    }\n    /**\n     * Add or remove a CSS class name from the component's element.\n     * - `classToToggle` gets added when {@link Component#hasClass} would return false.\n     * - `classToToggle` gets removed when {@link Component#hasClass} would return true.\n     *\n     * @param  {string} classToToggle\n     *         The class to add or remove based on (@link Component#hasClass}\n     *\n     * @param  {boolean|Dom~predicate} [predicate]\n     *         An {@link Dom~predicate} function or a boolean\n     */\n    ;\n\n    _proto.toggleClass = function toggleClass$1(classToToggle, predicate) {\n      toggleClass(this.el_, classToToggle, predicate);\n    }\n    /**\n     * Show the `Component`s element if it is hidden by removing the\n     * 'vjs-hidden' class name from it.\n     */\n    ;\n\n    _proto.show = function show() {\n      this.removeClass('vjs-hidden');\n    }\n    /**\n     * Hide the `Component`s element if it is currently showing by adding the\n     * 'vjs-hidden` class name to it.\n     */\n    ;\n\n    _proto.hide = function hide() {\n      this.addClass('vjs-hidden');\n    }\n    /**\n     * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'\n     * class name to it. Used during fadeIn/fadeOut.\n     *\n     * @private\n     */\n    ;\n\n    _proto.lockShowing = function lockShowing() {\n      this.addClass('vjs-lock-showing');\n    }\n    /**\n     * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'\n     * class name from it. Used during fadeIn/fadeOut.\n     *\n     * @private\n     */\n    ;\n\n    _proto.unlockShowing = function unlockShowing() {\n      this.removeClass('vjs-lock-showing');\n    }\n    /**\n     * Get the value of an attribute on the `Component`s element.\n     *\n     * @param {string} attribute\n     *        Name of the attribute to get the value from.\n     *\n     * @return {string|null}\n     *         - The value of the attribute that was asked for.\n     *         - Can be an empty string on some browsers if the attribute does not exist\n     *           or has no value\n     *         - Most browsers will return null if the attibute does not exist or has\n     *           no value.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}\n     */\n    ;\n\n    _proto.getAttribute = function getAttribute$1(attribute) {\n      return getAttribute(this.el_, attribute);\n    }\n    /**\n     * Set the value of an attribute on the `Component`'s element\n     *\n     * @param {string} attribute\n     *        Name of the attribute to set.\n     *\n     * @param {string} value\n     *        Value to set the attribute to.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}\n     */\n    ;\n\n    _proto.setAttribute = function setAttribute$1(attribute, value) {\n      setAttribute(this.el_, attribute, value);\n    }\n    /**\n     * Remove an attribute from the `Component`s element.\n     *\n     * @param {string} attribute\n     *        Name of the attribute to remove.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}\n     */\n    ;\n\n    _proto.removeAttribute = function removeAttribute$1(attribute) {\n      removeAttribute(this.el_, attribute);\n    }\n    /**\n     * Get or set the width of the component based upon the CSS styles.\n     * See {@link Component#dimension} for more detailed information.\n     *\n     * @param {number|string} [num]\n     *        The width that you want to set postfixed with '%', 'px' or nothing.\n     *\n     * @param {boolean} [skipListeners]\n     *        Skip the componentresize event trigger\n     *\n     * @return {number|string}\n     *         The width when getting, zero if there is no width. Can be a string\n     *           postpixed with '%' or 'px'.\n     */\n    ;\n\n    _proto.width = function width(num, skipListeners) {\n      return this.dimension('width', num, skipListeners);\n    }\n    /**\n     * Get or set the height of the component based upon the CSS styles.\n     * See {@link Component#dimension} for more detailed information.\n     *\n     * @param {number|string} [num]\n     *        The height that you want to set postfixed with '%', 'px' or nothing.\n     *\n     * @param {boolean} [skipListeners]\n     *        Skip the componentresize event trigger\n     *\n     * @return {number|string}\n     *         The width when getting, zero if there is no width. Can be a string\n     *         postpixed with '%' or 'px'.\n     */\n    ;\n\n    _proto.height = function height(num, skipListeners) {\n      return this.dimension('height', num, skipListeners);\n    }\n    /**\n     * Set both the width and height of the `Component` element at the same time.\n     *\n     * @param  {number|string} width\n     *         Width to set the `Component`s element to.\n     *\n     * @param  {number|string} height\n     *         Height to set the `Component`s element to.\n     */\n    ;\n\n    _proto.dimensions = function dimensions(width, height) {\n      // Skip componentresize listeners on width for optimization\n      this.width(width, true);\n      this.height(height);\n    }\n    /**\n     * Get or set width or height of the `Component` element. This is the shared code\n     * for the {@link Component#width} and {@link Component#height}.\n     *\n     * Things to know:\n     * - If the width or height in an number this will return the number postfixed with 'px'.\n     * - If the width/height is a percent this will return the percent postfixed with '%'\n     * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function\n     *   defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.\n     *   See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}\n     *   for more information\n     * - If you want the computed style of the component, use {@link Component#currentWidth}\n     *   and {@link {Component#currentHeight}\n     *\n     * @fires Component#componentresize\n     *\n     * @param {string} widthOrHeight\n     8        'width' or 'height'\n     *\n     * @param  {number|string} [num]\n     8         New dimension\n     *\n     * @param  {boolean} [skipListeners]\n     *         Skip componentresize event trigger\n     *\n     * @return {number}\n     *         The dimension when getting or 0 if unset\n     */\n    ;\n\n    _proto.dimension = function dimension(widthOrHeight, num, skipListeners) {\n      if (num !== undefined) {\n        // Set to zero if null or literally NaN (NaN !== NaN)\n        if (num === null || num !== num) {\n          num = 0;\n        } // Check if using css width/height (% or px) and adjust\n\n\n        if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {\n          this.el_.style[widthOrHeight] = num;\n        } else if (num === 'auto') {\n          this.el_.style[widthOrHeight] = '';\n        } else {\n          this.el_.style[widthOrHeight] = num + 'px';\n        } // skipListeners allows us to avoid triggering the resize event when setting both width and height\n\n\n        if (!skipListeners) {\n          /**\n           * Triggered when a component is resized.\n           *\n           * @event Component#componentresize\n           * @type {EventTarget~Event}\n           */\n          this.trigger('componentresize');\n        }\n\n        return;\n      } // Not setting a value, so getting it\n      // Make sure element exists\n\n\n      if (!this.el_) {\n        return 0;\n      } // Get dimension value from style\n\n\n      var val = this.el_.style[widthOrHeight];\n      var pxIndex = val.indexOf('px');\n\n      if (pxIndex !== -1) {\n        // Return the pixel value with no 'px'\n        return parseInt(val.slice(0, pxIndex), 10);\n      } // No px so using % or no style was set, so falling back to offsetWidth/height\n      // If component has display:none, offset will return 0\n      // TODO: handle display:none and no dimension style using px\n\n\n      return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);\n    }\n    /**\n     * Get the computed width or the height of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @param {string} widthOrHeight\n     *        A string containing 'width' or 'height'. Whichever one you want to get.\n     *\n     * @return {number}\n     *         The dimension that gets asked for or 0 if nothing was set\n     *         for that dimension.\n     */\n    ;\n\n    _proto.currentDimension = function currentDimension(widthOrHeight) {\n      var computedWidthOrHeight = 0;\n\n      if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {\n        throw new Error('currentDimension only accepts width or height value');\n      }\n\n      computedWidthOrHeight = computedStyle(this.el_, widthOrHeight); // remove 'px' from variable and parse as integer\n\n      computedWidthOrHeight = parseFloat(computedWidthOrHeight); // if the computed value is still 0, it's possible that the browser is lying\n      // and we want to check the offset values.\n      // This code also runs wherever getComputedStyle doesn't exist.\n\n      if (computedWidthOrHeight === 0 || isNaN(computedWidthOrHeight)) {\n        var rule = \"offset\" + toTitleCase(widthOrHeight);\n        computedWidthOrHeight = this.el_[rule];\n      }\n\n      return computedWidthOrHeight;\n    }\n    /**\n     * An object that contains width and height values of the `Component`s\n     * computed style. Uses `window.getComputedStyle`.\n     *\n     * @typedef {Object} Component~DimensionObject\n     *\n     * @property {number} width\n     *           The width of the `Component`s computed style.\n     *\n     * @property {number} height\n     *           The height of the `Component`s computed style.\n     */\n\n    /**\n     * Get an object that contains computed width and height values of the\n     * component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {Component~DimensionObject}\n     *         The computed dimensions of the component's element.\n     */\n    ;\n\n    _proto.currentDimensions = function currentDimensions() {\n      return {\n        width: this.currentDimension('width'),\n        height: this.currentDimension('height')\n      };\n    }\n    /**\n     * Get the computed width of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {number}\n     *         The computed width of the component's element.\n     */\n    ;\n\n    _proto.currentWidth = function currentWidth() {\n      return this.currentDimension('width');\n    }\n    /**\n     * Get the computed height of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {number}\n     *         The computed height of the component's element.\n     */\n    ;\n\n    _proto.currentHeight = function currentHeight() {\n      return this.currentDimension('height');\n    }\n    /**\n     * Set the focus to this component\n     */\n    ;\n\n    _proto.focus = function focus() {\n      this.el_.focus();\n    }\n    /**\n     * Remove the focus from this component\n     */\n    ;\n\n    _proto.blur = function blur() {\n      this.el_.blur();\n    }\n    /**\n     * When this Component receives a `keydown` event which it does not process,\n     *  it passes the event to the Player for handling.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (this.player_) {\n        // We only stop propagation here because we want unhandled events to fall\n        // back to the browser.\n        event.stopPropagation();\n        this.player_.handleKeyDown(event);\n      }\n    }\n    /**\n     * Many components used to have a `handleKeyPress` method, which was poorly\n     * named because it listened to a `keydown` event. This method name now\n     * delegates to `handleKeyDown`. This means anyone calling `handleKeyPress`\n     * will not see their method calls stop working.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleKeyPress = function handleKeyPress(event) {\n      this.handleKeyDown(event);\n    }\n    /**\n     * Emit a 'tap' events when touch event support gets detected. This gets used to\n     * support toggling the controls through a tap on the video. They get enabled\n     * because every sub-component would have extra overhead otherwise.\n     *\n     * @private\n     * @fires Component#tap\n     * @listens Component#touchstart\n     * @listens Component#touchmove\n     * @listens Component#touchleave\n     * @listens Component#touchcancel\n     * @listens Component#touchend\n      */\n    ;\n\n    _proto.emitTapEvents = function emitTapEvents() {\n      // Track the start time so we can determine how long the touch lasted\n      var touchStart = 0;\n      var firstTouch = null; // Maximum movement allowed during a touch event to still be considered a tap\n      // Other popular libs use anywhere from 2 (hammer.js) to 15,\n      // so 10 seems like a nice, round number.\n\n      var tapMovementThreshold = 10; // The maximum length a touch can be while still being considered a tap\n\n      var touchTimeThreshold = 200;\n      var couldBeTap;\n      this.on('touchstart', function (event) {\n        // If more than one finger, don't consider treating this as a click\n        if (event.touches.length === 1) {\n          // Copy pageX/pageY from the object\n          firstTouch = {\n            pageX: event.touches[0].pageX,\n            pageY: event.touches[0].pageY\n          }; // Record start time so we can detect a tap vs. \"touch and hold\"\n\n          touchStart = window$3.performance.now(); // Reset couldBeTap tracking\n\n          couldBeTap = true;\n        }\n      });\n      this.on('touchmove', function (event) {\n        // If more than one finger, don't consider treating this as a click\n        if (event.touches.length > 1) {\n          couldBeTap = false;\n        } else if (firstTouch) {\n          // Some devices will throw touchmoves for all but the slightest of taps.\n          // So, if we moved only a small distance, this could still be a tap\n          var xdiff = event.touches[0].pageX - firstTouch.pageX;\n          var ydiff = event.touches[0].pageY - firstTouch.pageY;\n          var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);\n\n          if (touchDistance > tapMovementThreshold) {\n            couldBeTap = false;\n          }\n        }\n      });\n\n      var noTap = function noTap() {\n        couldBeTap = false;\n      }; // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s\n\n\n      this.on('touchleave', noTap);\n      this.on('touchcancel', noTap); // When the touch ends, measure how long it took and trigger the appropriate\n      // event\n\n      this.on('touchend', function (event) {\n        firstTouch = null; // Proceed only if the touchmove/leave/cancel event didn't happen\n\n        if (couldBeTap === true) {\n          // Measure how long the touch lasted\n          var touchTime = window$3.performance.now() - touchStart; // Make sure the touch was less than the threshold to be considered a tap\n\n          if (touchTime < touchTimeThreshold) {\n            // Don't let browser turn this into a click\n            event.preventDefault();\n            /**\n             * Triggered when a `Component` is tapped.\n             *\n             * @event Component#tap\n             * @type {EventTarget~Event}\n             */\n\n            this.trigger('tap'); // It may be good to copy the touchend event object and change the\n            // type to tap, if the other event properties aren't exact after\n            // Events.fixEvent runs (e.g. event.target)\n          }\n        }\n      });\n    }\n    /**\n     * This function reports user activity whenever touch events happen. This can get\n     * turned off by any sub-components that wants touch events to act another way.\n     *\n     * Report user touch activity when touch events occur. User activity gets used to\n     * determine when controls should show/hide. It is simple when it comes to mouse\n     * events, because any mouse event should show the controls. So we capture mouse\n     * events that bubble up to the player and report activity when that happens.\n     * With touch events it isn't as easy as `touchstart` and `touchend` toggle player\n     * controls. So touch events can't help us at the player level either.\n     *\n     * User activity gets checked asynchronously. So what could happen is a tap event\n     * on the video turns the controls off. Then the `touchend` event bubbles up to\n     * the player. Which, if it reported user activity, would turn the controls right\n     * back on. We also don't want to completely block touch events from bubbling up.\n     * Furthermore a `touchmove` event and anything other than a tap, should not turn\n     * controls back on.\n     *\n     * @listens Component#touchstart\n     * @listens Component#touchmove\n     * @listens Component#touchend\n     * @listens Component#touchcancel\n     */\n    ;\n\n    _proto.enableTouchActivity = function enableTouchActivity() {\n      // Don't continue if the root player doesn't support reporting user activity\n      if (!this.player() || !this.player().reportUserActivity) {\n        return;\n      } // listener for reporting that the user is active\n\n\n      var report = bind(this.player(), this.player().reportUserActivity);\n      var touchHolding;\n      this.on('touchstart', function () {\n        report(); // For as long as the they are touching the device or have their mouse down,\n        // we consider them active even if they're not moving their finger or mouse.\n        // So we want to continue to update that they are active\n\n        this.clearInterval(touchHolding); // report at the same interval as activityCheck\n\n        touchHolding = this.setInterval(report, 250);\n      });\n\n      var touchEnd = function touchEnd(event) {\n        report(); // stop the interval that maintains activity if the touch is holding\n\n        this.clearInterval(touchHolding);\n      };\n\n      this.on('touchmove', report);\n      this.on('touchend', touchEnd);\n      this.on('touchcancel', touchEnd);\n    }\n    /**\n     * A callback that has no parameters and is bound into `Component`s context.\n     *\n     * @callback Component~GenericCallback\n     * @this Component\n     */\n\n    /**\n     * Creates a function that runs after an `x` millisecond timeout. This function is a\n     * wrapper around `window.setTimeout`. There are a few reasons to use this one\n     * instead though:\n     * 1. It gets cleared via  {@link Component#clearTimeout} when\n     *    {@link Component#dispose} gets called.\n     * 2. The function callback will gets turned into a {@link Component~GenericCallback}\n     *\n     * > Note: You can't use `window.clearTimeout` on the id returned by this function. This\n     *         will cause its dispose listener not to get cleaned up! Please use\n     *         {@link Component#clearTimeout} or {@link Component#dispose} instead.\n     *\n     * @param {Component~GenericCallback} fn\n     *        The function that will be run after `timeout`.\n     *\n     * @param {number} timeout\n     *        Timeout in milliseconds to delay before executing the specified function.\n     *\n     * @return {number}\n     *         Returns a timeout ID that gets used to identify the timeout. It can also\n     *         get used in {@link Component#clearTimeout} to clear the timeout that\n     *         was set.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}\n     */\n    ;\n\n    _proto.setTimeout = function setTimeout(fn, timeout) {\n      var _this2 = this;\n\n      // declare as variables so they are properly available in timeout function\n      // eslint-disable-next-line\n      var timeoutId;\n      fn = bind(this, fn);\n      this.clearTimersOnDispose_();\n      timeoutId = window$3.setTimeout(function () {\n        if (_this2.setTimeoutIds_.has(timeoutId)) {\n          _this2.setTimeoutIds_[\"delete\"](timeoutId);\n        }\n\n        fn();\n      }, timeout);\n      this.setTimeoutIds_.add(timeoutId);\n      return timeoutId;\n    }\n    /**\n     * Clears a timeout that gets created via `window.setTimeout` or\n     * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}\n     * use this function instead of `window.clearTimout`. If you don't your dispose\n     * listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} timeoutId\n     *        The id of the timeout to clear. The return value of\n     *        {@link Component#setTimeout} or `window.setTimeout`.\n     *\n     * @return {number}\n     *         Returns the timeout id that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}\n     */\n    ;\n\n    _proto.clearTimeout = function clearTimeout(timeoutId) {\n      if (this.setTimeoutIds_.has(timeoutId)) {\n        this.setTimeoutIds_[\"delete\"](timeoutId);\n        window$3.clearTimeout(timeoutId);\n      }\n\n      return timeoutId;\n    }\n    /**\n     * Creates a function that gets run every `x` milliseconds. This function is a wrapper\n     * around `window.setInterval`. There are a few reasons to use this one instead though.\n     * 1. It gets cleared via  {@link Component#clearInterval} when\n     *    {@link Component#dispose} gets called.\n     * 2. The function callback will be a {@link Component~GenericCallback}\n     *\n     * @param {Component~GenericCallback} fn\n     *        The function to run every `x` seconds.\n     *\n     * @param {number} interval\n     *        Execute the specified function every `x` milliseconds.\n     *\n     * @return {number}\n     *         Returns an id that can be used to identify the interval. It can also be be used in\n     *         {@link Component#clearInterval} to clear the interval.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}\n     */\n    ;\n\n    _proto.setInterval = function setInterval(fn, interval) {\n      fn = bind(this, fn);\n      this.clearTimersOnDispose_();\n      var intervalId = window$3.setInterval(fn, interval);\n      this.setIntervalIds_.add(intervalId);\n      return intervalId;\n    }\n    /**\n     * Clears an interval that gets created via `window.setInterval` or\n     * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}\n     * use this function instead of `window.clearInterval`. If you don't your dispose\n     * listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} intervalId\n     *        The id of the interval to clear. The return value of\n     *        {@link Component#setInterval} or `window.setInterval`.\n     *\n     * @return {number}\n     *         Returns the interval id that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}\n     */\n    ;\n\n    _proto.clearInterval = function clearInterval(intervalId) {\n      if (this.setIntervalIds_.has(intervalId)) {\n        this.setIntervalIds_[\"delete\"](intervalId);\n        window$3.clearInterval(intervalId);\n      }\n\n      return intervalId;\n    }\n    /**\n     * Queues up a callback to be passed to requestAnimationFrame (rAF), but\n     * with a few extra bonuses:\n     *\n     * - Supports browsers that do not support rAF by falling back to\n     *   {@link Component#setTimeout}.\n     *\n     * - The callback is turned into a {@link Component~GenericCallback} (i.e.\n     *   bound to the component).\n     *\n     * - Automatic cancellation of the rAF callback is handled if the component\n     *   is disposed before it is called.\n     *\n     * @param  {Component~GenericCallback} fn\n     *         A function that will be bound to this component and executed just\n     *         before the browser's next repaint.\n     *\n     * @return {number}\n     *         Returns an rAF ID that gets used to identify the timeout. It can\n     *         also be used in {@link Component#cancelAnimationFrame} to cancel\n     *         the animation frame callback.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}\n     */\n    ;\n\n    _proto.requestAnimationFrame = function requestAnimationFrame(fn) {\n      var _this3 = this;\n\n      // Fall back to using a timer.\n      if (!this.supportsRaf_) {\n        return this.setTimeout(fn, 1000 / 60);\n      }\n\n      this.clearTimersOnDispose_(); // declare as variables so they are properly available in rAF function\n      // eslint-disable-next-line\n\n      var id;\n      fn = bind(this, fn);\n      id = window$3.requestAnimationFrame(function () {\n        if (_this3.rafIds_.has(id)) {\n          _this3.rafIds_[\"delete\"](id);\n        }\n\n        fn();\n      });\n      this.rafIds_.add(id);\n      return id;\n    }\n    /**\n     * Cancels a queued callback passed to {@link Component#requestAnimationFrame}\n     * (rAF).\n     *\n     * If you queue an rAF callback via {@link Component#requestAnimationFrame},\n     * use this function instead of `window.cancelAnimationFrame`. If you don't,\n     * your dispose listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} id\n     *        The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.\n     *\n     * @return {number}\n     *         Returns the rAF ID that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}\n     */\n    ;\n\n    _proto.cancelAnimationFrame = function cancelAnimationFrame(id) {\n      // Fall back to using a timer.\n      if (!this.supportsRaf_) {\n        return this.clearTimeout(id);\n      }\n\n      if (this.rafIds_.has(id)) {\n        this.rafIds_[\"delete\"](id);\n        window$3.cancelAnimationFrame(id);\n      }\n\n      return id;\n    }\n    /**\n     * A function to setup `requestAnimationFrame`, `setTimeout`,\n     * and `setInterval`, clearing on dispose.\n     *\n     * > Previously each timer added and removed dispose listeners on it's own.\n     * For better performance it was decided to batch them all, and use `Set`s\n     * to track outstanding timer ids.\n     *\n     * @private\n     */\n    ;\n\n    _proto.clearTimersOnDispose_ = function clearTimersOnDispose_() {\n      var _this4 = this;\n\n      if (this.clearingTimersOnDispose_) {\n        return;\n      }\n\n      this.clearingTimersOnDispose_ = true;\n      this.one('dispose', function () {\n        [['rafIds_', 'cancelAnimationFrame'], ['setTimeoutIds_', 'clearTimeout'], ['setIntervalIds_', 'clearInterval']].forEach(function (_ref) {\n          var idName = _ref[0],\n              cancelName = _ref[1];\n\n          _this4[idName].forEach(_this4[cancelName], _this4);\n        });\n        _this4.clearingTimersOnDispose_ = false;\n      });\n    }\n    /**\n     * Register a `Component` with `videojs` given the name and the component.\n     *\n     * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s\n     *         should be registered using {@link Tech.registerTech} or\n     *         {@link videojs:videojs.registerTech}.\n     *\n     * > NOTE: This function can also be seen on videojs as\n     *         {@link videojs:videojs.registerComponent}.\n     *\n     * @param {string} name\n     *        The name of the `Component` to register.\n     *\n     * @param {Component} ComponentToRegister\n     *        The `Component` class to register.\n     *\n     * @return {Component}\n     *         The `Component` that was registered.\n     */\n    ;\n\n    Component.registerComponent = function registerComponent(name, ComponentToRegister) {\n      if (typeof name !== 'string' || !name) {\n        throw new Error(\"Illegal component name, \\\"\" + name + \"\\\"; must be a non-empty string.\");\n      }\n\n      var Tech = Component.getComponent('Tech'); // We need to make sure this check is only done if Tech has been registered.\n\n      var isTech = Tech && Tech.isTech(ComponentToRegister);\n      var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);\n\n      if (isTech || !isComp) {\n        var reason;\n\n        if (isTech) {\n          reason = 'techs must be registered using Tech.registerTech()';\n        } else {\n          reason = 'must be a Component subclass';\n        }\n\n        throw new Error(\"Illegal component, \\\"\" + name + \"\\\"; \" + reason + \".\");\n      }\n\n      name = toTitleCase(name);\n\n      if (!Component.components_) {\n        Component.components_ = {};\n      }\n\n      var Player = Component.getComponent('Player');\n\n      if (name === 'Player' && Player && Player.players) {\n        var players = Player.players;\n        var playerNames = Object.keys(players); // If we have players that were disposed, then their name will still be\n        // in Players.players. So, we must loop through and verify that the value\n        // for each item is not null. This allows registration of the Player component\n        // after all players have been disposed or before any were created.\n\n        if (players && playerNames.length > 0 && playerNames.map(function (pname) {\n          return players[pname];\n        }).every(Boolean)) {\n          throw new Error('Can not register Player component after player has been created.');\n        }\n      }\n\n      Component.components_[name] = ComponentToRegister;\n      Component.components_[toLowerCase(name)] = ComponentToRegister;\n      return ComponentToRegister;\n    }\n    /**\n     * Get a `Component` based on the name it was registered with.\n     *\n     * @param {string} name\n     *        The Name of the component to get.\n     *\n     * @return {Component}\n     *         The `Component` that got registered under the given name.\n     *\n     * @deprecated In `videojs` 6 this will not return `Component`s that were not\n     *             registered using {@link Component.registerComponent}. Currently we\n     *             check the global `videojs` object for a `Component` name and\n     *             return that if it exists.\n     */\n    ;\n\n    Component.getComponent = function getComponent(name) {\n      if (!name || !Component.components_) {\n        return;\n      }\n\n      return Component.components_[name];\n    };\n\n    return Component;\n  }();\n  /**\n   * Whether or not this component supports `requestAnimationFrame`.\n   *\n   * This is exposed primarily for testing purposes.\n   *\n   * @private\n   * @type {Boolean}\n   */\n\n\n  Component.prototype.supportsRaf_ = typeof window$3.requestAnimationFrame === 'function' && typeof window$3.cancelAnimationFrame === 'function';\n  Component.registerComponent('Component', Component);\n\n  function _assertThisInitialized(self) {\n    if (self === void 0) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return self;\n  }\n\n  var assertThisInitialized = _assertThisInitialized;\n\n  var _typeof_1 = createCommonjsModule(function (module) {\n    function _typeof(obj) {\n      \"@babel/helpers - typeof\";\n\n      if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n        module.exports = _typeof = function _typeof(obj) {\n          return typeof obj;\n        };\n      } else {\n        module.exports = _typeof = function _typeof(obj) {\n          return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n        };\n      }\n\n      return _typeof(obj);\n    }\n\n    module.exports = _typeof;\n  });\n\n  var getPrototypeOf = createCommonjsModule(function (module) {\n    function _getPrototypeOf(o) {\n      module.exports = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {\n        return o.__proto__ || Object.getPrototypeOf(o);\n      };\n      return _getPrototypeOf(o);\n    }\n\n    module.exports = _getPrototypeOf;\n  });\n\n  function _inheritsLoose(subClass, superClass) {\n    subClass.prototype = Object.create(superClass.prototype);\n    subClass.prototype.constructor = subClass;\n    subClass.__proto__ = superClass;\n  }\n\n  var inheritsLoose = _inheritsLoose;\n\n  /**\n   * @file browser.js\n   * @module browser\n   */\n  var USER_AGENT = window$3.navigator && window$3.navigator.userAgent || '';\n  var webkitVersionMap = /AppleWebKit\\/([\\d.]+)/i.exec(USER_AGENT);\n  var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;\n  /**\n   * Whether or not this device is an iPod.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IPOD = /iPod/i.test(USER_AGENT);\n  /**\n   * The detected iOS version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {string|null}\n   */\n\n  var IOS_VERSION = function () {\n    var match = USER_AGENT.match(/OS (\\d+)_/i);\n\n    if (match && match[1]) {\n      return match[1];\n    }\n\n    return null;\n  }();\n  /**\n   * Whether or not this is an Android device.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_ANDROID = /Android/i.test(USER_AGENT);\n  /**\n   * The detected Android version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|string|null}\n   */\n\n  var ANDROID_VERSION = function () {\n    // This matches Android Major.Minor.Patch versions\n    // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned\n    var match = USER_AGENT.match(/Android (\\d+)(?:\\.(\\d+))?(?:\\.(\\d+))*/i);\n\n    if (!match) {\n      return null;\n    }\n\n    var major = match[1] && parseFloat(match[1]);\n    var minor = match[2] && parseFloat(match[2]);\n\n    if (major && minor) {\n      return parseFloat(match[1] + '.' + match[2]);\n    } else if (major) {\n      return major;\n    }\n\n    return null;\n  }();\n  /**\n   * Whether or not this is a native Android browser.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;\n  /**\n   * Whether or not this is Mozilla Firefox.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_FIREFOX = /Firefox/i.test(USER_AGENT);\n  /**\n   * Whether or not this is Microsoft Edge.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_EDGE = /Edg/i.test(USER_AGENT);\n  /**\n   * Whether or not this is Google Chrome.\n   *\n   * This will also be `true` for Chrome on iOS, which will have different support\n   * as it is actually Safari under the hood.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT));\n  /**\n   * The detected Google Chrome version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|null}\n   */\n\n  var CHROME_VERSION = function () {\n    var match = USER_AGENT.match(/(Chrome|CriOS)\\/(\\d+)/);\n\n    if (match && match[2]) {\n      return parseFloat(match[2]);\n    }\n\n    return null;\n  }();\n  /**\n   * The detected Internet Explorer version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|null}\n   */\n\n  var IE_VERSION = function () {\n    var result = /MSIE\\s(\\d+)\\.\\d/.exec(USER_AGENT);\n    var version = result && parseFloat(result[1]);\n\n    if (!version && /Trident\\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {\n      // IE 11 has a different user agent string than other IE versions\n      version = 11.0;\n    }\n\n    return version;\n  }();\n  /**\n   * Whether or not this is desktop Safari.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;\n  /**\n   * Whether or not this is a Windows machine.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_WINDOWS = /Windows/i.test(USER_AGENT);\n  /**\n   * Whether or not this device is touch-enabled.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var TOUCH_ENABLED = isReal() && ('ontouchstart' in window$3 || window$3.navigator.maxTouchPoints || window$3.DocumentTouch && window$3.document instanceof window$3.DocumentTouch);\n  /**\n   * Whether or not this device is an iPad.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IPAD = /iPad/i.test(USER_AGENT) || IS_SAFARI && TOUCH_ENABLED && !/iPhone/i.test(USER_AGENT);\n  /**\n   * Whether or not this device is an iPhone.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n  // The Facebook app's UIWebView identifies as both an iPhone and iPad, so\n  // to identify iPhones, we need to exclude iPads.\n  // http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/\n\n  var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;\n  /**\n   * Whether or not this is an iOS device.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;\n  /**\n   * Whether or not this is any flavor of Safari - including iOS.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;\n\n  var browser = /*#__PURE__*/Object.freeze({\n    IS_IPOD: IS_IPOD,\n    IOS_VERSION: IOS_VERSION,\n    IS_ANDROID: IS_ANDROID,\n    ANDROID_VERSION: ANDROID_VERSION,\n    IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,\n    IS_FIREFOX: IS_FIREFOX,\n    IS_EDGE: IS_EDGE,\n    IS_CHROME: IS_CHROME,\n    CHROME_VERSION: CHROME_VERSION,\n    IE_VERSION: IE_VERSION,\n    IS_SAFARI: IS_SAFARI,\n    IS_WINDOWS: IS_WINDOWS,\n    TOUCH_ENABLED: TOUCH_ENABLED,\n    IS_IPAD: IS_IPAD,\n    IS_IPHONE: IS_IPHONE,\n    IS_IOS: IS_IOS,\n    IS_ANY_SAFARI: IS_ANY_SAFARI\n  });\n\n  /**\n   * @file time-ranges.js\n   * @module time-ranges\n   */\n\n  /**\n   * Returns the time for the specified index at the start or end\n   * of a TimeRange object.\n   *\n   * @typedef    {Function} TimeRangeIndex\n   *\n   * @param      {number} [index=0]\n   *             The range number to return the time for.\n   *\n   * @return     {number}\n   *             The time offset at the specified index.\n   *\n   * @deprecated The index argument must be provided.\n   *             In the future, leaving it out will throw an error.\n   */\n\n  /**\n   * An object that contains ranges of time.\n   *\n   * @typedef  {Object} TimeRange\n   *\n   * @property {number} length\n   *           The number of time ranges represented by this object.\n   *\n   * @property {module:time-ranges~TimeRangeIndex} start\n   *           Returns the time offset at which a specified time range begins.\n   *\n   * @property {module:time-ranges~TimeRangeIndex} end\n   *           Returns the time offset at which a specified time range ends.\n   *\n   * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges\n   */\n\n  /**\n   * Check if any of the time ranges are over the maximum index.\n   *\n   * @private\n   * @param   {string} fnName\n   *          The function name to use for logging\n   *\n   * @param   {number} index\n   *          The index to check\n   *\n   * @param   {number} maxIndex\n   *          The maximum possible index\n   *\n   * @throws  {Error} if the timeRanges provided are over the maxIndex\n   */\n  function rangeCheck(fnName, index, maxIndex) {\n    if (typeof index !== 'number' || index < 0 || index > maxIndex) {\n      throw new Error(\"Failed to execute '\" + fnName + \"' on 'TimeRanges': The index provided (\" + index + \") is non-numeric or out of bounds (0-\" + maxIndex + \").\");\n    }\n  }\n  /**\n   * Get the time for the specified index at the start or end\n   * of a TimeRange object.\n   *\n   * @private\n   * @param      {string} fnName\n   *             The function name to use for logging\n   *\n   * @param      {string} valueIndex\n   *             The property that should be used to get the time. should be\n   *             'start' or 'end'\n   *\n   * @param      {Array} ranges\n   *             An array of time ranges\n   *\n   * @param      {Array} [rangeIndex=0]\n   *             The index to start the search at\n   *\n   * @return     {number}\n   *             The time that offset at the specified index.\n   *\n   * @deprecated rangeIndex must be set to a value, in the future this will throw an error.\n   * @throws     {Error} if rangeIndex is more than the length of ranges\n   */\n\n\n  function getRange(fnName, valueIndex, ranges, rangeIndex) {\n    rangeCheck(fnName, rangeIndex, ranges.length - 1);\n    return ranges[rangeIndex][valueIndex];\n  }\n  /**\n   * Create a time range object given ranges of time.\n   *\n   * @private\n   * @param   {Array} [ranges]\n   *          An array of time ranges.\n   */\n\n\n  function createTimeRangesObj(ranges) {\n    if (ranges === undefined || ranges.length === 0) {\n      return {\n        length: 0,\n        start: function start() {\n          throw new Error('This TimeRanges object is empty');\n        },\n        end: function end() {\n          throw new Error('This TimeRanges object is empty');\n        }\n      };\n    }\n\n    return {\n      length: ranges.length,\n      start: getRange.bind(null, 'start', 0, ranges),\n      end: getRange.bind(null, 'end', 1, ranges)\n    };\n  }\n  /**\n   * Create a `TimeRange` object which mimics an\n   * {@link https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges|HTML5 TimeRanges instance}.\n   *\n   * @param {number|Array[]} start\n   *        The start of a single range (a number) or an array of ranges (an\n   *        array of arrays of two numbers each).\n   *\n   * @param {number} end\n   *        The end of a single range. Cannot be used with the array form of\n   *        the `start` argument.\n   */\n\n\n  function createTimeRanges(start, end) {\n    if (Array.isArray(start)) {\n      return createTimeRangesObj(start);\n    } else if (start === undefined || end === undefined) {\n      return createTimeRangesObj();\n    }\n\n    return createTimeRangesObj([[start, end]]);\n  }\n\n  /**\n   * @file buffer.js\n   * @module buffer\n   */\n  /**\n   * Compute the percentage of the media that has been buffered.\n   *\n   * @param {TimeRange} buffered\n   *        The current `TimeRange` object representing buffered time ranges\n   *\n   * @param {number} duration\n   *        Total duration of the media\n   *\n   * @return {number}\n   *         Percent buffered of the total duration in decimal form.\n   */\n\n  function bufferedPercent(buffered, duration) {\n    var bufferedDuration = 0;\n    var start;\n    var end;\n\n    if (!duration) {\n      return 0;\n    }\n\n    if (!buffered || !buffered.length) {\n      buffered = createTimeRanges(0, 0);\n    }\n\n    for (var i = 0; i < buffered.length; i++) {\n      start = buffered.start(i);\n      end = buffered.end(i); // buffered end can be bigger than duration by a very small fraction\n\n      if (end > duration) {\n        end = duration;\n      }\n\n      bufferedDuration += end - start;\n    }\n\n    return bufferedDuration / duration;\n  }\n\n  /**\n   * @file fullscreen-api.js\n   * @module fullscreen-api\n   * @private\n   */\n  /**\n   * Store the browser-specific methods for the fullscreen API.\n   *\n   * @type {Object}\n   * @see [Specification]{@link https://fullscreen.spec.whatwg.org}\n   * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}\n   */\n\n  var FullscreenApi = {\n    prefixed: true\n  }; // browser API methods\n\n  var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror', 'fullscreen'], // WebKit\n  ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror', '-webkit-full-screen'], // Mozilla\n  ['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror', '-moz-full-screen'], // Microsoft\n  ['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError', '-ms-fullscreen']];\n  var specApi = apiMap[0];\n  var browserApi; // determine the supported set of functions\n\n  for (var i = 0; i < apiMap.length; i++) {\n    // check for exitFullscreen function\n    if (apiMap[i][1] in document) {\n      browserApi = apiMap[i];\n      break;\n    }\n  } // map the browser API names to the spec API names\n\n\n  if (browserApi) {\n    for (var _i = 0; _i < browserApi.length; _i++) {\n      FullscreenApi[specApi[_i]] = browserApi[_i];\n    }\n\n    FullscreenApi.prefixed = browserApi[0] !== specApi[0];\n  }\n\n  /**\n   * @file media-error.js\n   */\n  /**\n   * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.\n   *\n   * @param {number|string|Object|MediaError} value\n   *        This can be of multiple types:\n   *        - number: should be a standard error code\n   *        - string: an error message (the code will be 0)\n   *        - Object: arbitrary properties\n   *        - `MediaError` (native): used to populate a video.js `MediaError` object\n   *        - `MediaError` (video.js): will return itself if it's already a\n   *          video.js `MediaError` object.\n   *\n   * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}\n   * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}\n   *\n   * @class MediaError\n   */\n\n  function MediaError(value) {\n    // Allow redundant calls to this constructor to avoid having `instanceof`\n    // checks peppered around the code.\n    if (value instanceof MediaError) {\n      return value;\n    }\n\n    if (typeof value === 'number') {\n      this.code = value;\n    } else if (typeof value === 'string') {\n      // default code is zero, so this is a custom error\n      this.message = value;\n    } else if (isObject(value)) {\n      // We assign the `code` property manually because native `MediaError` objects\n      // do not expose it as an own/enumerable property of the object.\n      if (typeof value.code === 'number') {\n        this.code = value.code;\n      }\n\n      assign(this, value);\n    }\n\n    if (!this.message) {\n      this.message = MediaError.defaultMessages[this.code] || '';\n    }\n  }\n  /**\n   * The error code that refers two one of the defined `MediaError` types\n   *\n   * @type {Number}\n   */\n\n\n  MediaError.prototype.code = 0;\n  /**\n   * An optional message that to show with the error. Message is not part of the HTML5\n   * video spec but allows for more informative custom errors.\n   *\n   * @type {String}\n   */\n\n  MediaError.prototype.message = '';\n  /**\n   * An optional status code that can be set by plugins to allow even more detail about\n   * the error. For example a plugin might provide a specific HTTP status code and an\n   * error message for that code. Then when the plugin gets that error this class will\n   * know how to display an error message for it. This allows a custom message to show\n   * up on the `Player` error overlay.\n   *\n   * @type {Array}\n   */\n\n  MediaError.prototype.status = null;\n  /**\n   * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the\n   * specification listed under {@link MediaError} for more information.\n   *\n   * @enum {array}\n   * @readonly\n   * @property {string} 0 - MEDIA_ERR_CUSTOM\n   * @property {string} 1 - MEDIA_ERR_ABORTED\n   * @property {string} 2 - MEDIA_ERR_NETWORK\n   * @property {string} 3 - MEDIA_ERR_DECODE\n   * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED\n   * @property {string} 5 - MEDIA_ERR_ENCRYPTED\n   */\n\n  MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];\n  /**\n   * The default `MediaError` messages based on the {@link MediaError.errorTypes}.\n   *\n   * @type {Array}\n   * @constant\n   */\n\n  MediaError.defaultMessages = {\n    1: 'You aborted the media playback',\n    2: 'A network error caused the media download to fail part-way.',\n    3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',\n    4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',\n    5: 'The media is encrypted and we do not have the keys to decrypt it.'\n  }; // Add types as properties on MediaError\n  // e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;\n\n  for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {\n    MediaError[MediaError.errorTypes[errNum]] = errNum; // values should be accessible on both the class and instance\n\n    MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;\n  } // jsdocs for instance/static members added above\n\n  var tuple = SafeParseTuple;\n\n  function SafeParseTuple(obj, reviver) {\n    var json;\n    var error = null;\n\n    try {\n      json = JSON.parse(obj, reviver);\n    } catch (err) {\n      error = err;\n    }\n\n    return [error, json];\n  }\n\n  /**\n   * Returns whether an object is `Promise`-like (i.e. has a `then` method).\n   *\n   * @param  {Object}  value\n   *         An object that may or may not be `Promise`-like.\n   *\n   * @return {boolean}\n   *         Whether or not the object is `Promise`-like.\n   */\n  function isPromise(value) {\n    return value !== undefined && value !== null && typeof value.then === 'function';\n  }\n  /**\n   * Silence a Promise-like object.\n   *\n   * This is useful for avoiding non-harmful, but potentially confusing \"uncaught\n   * play promise\" rejection error messages.\n   *\n   * @param  {Object} value\n   *         An object that may or may not be `Promise`-like.\n   */\n\n  function silencePromise(value) {\n    if (isPromise(value)) {\n      value.then(null, function (e) {});\n    }\n  }\n\n  /**\n   * @file text-track-list-converter.js Utilities for capturing text track state and\n   * re-creating tracks based on a capture.\n   *\n   * @module text-track-list-converter\n   */\n\n  /**\n   * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that\n   * represents the {@link TextTrack}'s state.\n   *\n   * @param {TextTrack} track\n   *        The text track to query.\n   *\n   * @return {Object}\n   *         A serializable javascript representation of the TextTrack.\n   * @private\n   */\n  var trackToJson_ = function trackToJson_(track) {\n    var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {\n      if (track[prop]) {\n        acc[prop] = track[prop];\n      }\n\n      return acc;\n    }, {\n      cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {\n        return {\n          startTime: cue.startTime,\n          endTime: cue.endTime,\n          text: cue.text,\n          id: cue.id\n        };\n      })\n    });\n    return ret;\n  };\n  /**\n   * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the\n   * state of all {@link TextTrack}s currently configured. The return array is compatible with\n   * {@link text-track-list-converter:jsonToTextTracks}.\n   *\n   * @param {Tech} tech\n   *        The tech object to query\n   *\n   * @return {Array}\n   *         A serializable javascript representation of the {@link Tech}s\n   *         {@link TextTrackList}.\n   */\n\n\n  var textTracksToJson = function textTracksToJson(tech) {\n    var trackEls = tech.$$('track');\n    var trackObjs = Array.prototype.map.call(trackEls, function (t) {\n      return t.track;\n    });\n    var tracks = Array.prototype.map.call(trackEls, function (trackEl) {\n      var json = trackToJson_(trackEl.track);\n\n      if (trackEl.src) {\n        json.src = trackEl.src;\n      }\n\n      return json;\n    });\n    return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {\n      return trackObjs.indexOf(track) === -1;\n    }).map(trackToJson_));\n  };\n  /**\n   * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript\n   * object {@link TextTrack} representations.\n   *\n   * @param {Array} json\n   *        An array of `TextTrack` representation objects, like those that would be\n   *        produced by `textTracksToJson`.\n   *\n   * @param {Tech} tech\n   *        The `Tech` to create the `TextTrack`s on.\n   */\n\n\n  var jsonToTextTracks = function jsonToTextTracks(json, tech) {\n    json.forEach(function (track) {\n      var addedTrack = tech.addRemoteTextTrack(track).track;\n\n      if (!track.src && track.cues) {\n        track.cues.forEach(function (cue) {\n          return addedTrack.addCue(cue);\n        });\n      }\n    });\n    return tech.textTracks();\n  };\n\n  var textTrackConverter = {\n    textTracksToJson: textTracksToJson,\n    jsonToTextTracks: jsonToTextTracks,\n    trackToJson_: trackToJson_\n  };\n\n  var keycode = createCommonjsModule(function (module, exports) {\n    // Source: http://jsfiddle.net/vWx8V/\n    // http://stackoverflow.com/questions/5603195/full-list-of-javascript-keycodes\n\n    /**\n     * Conenience method returns corresponding value for given keyName or keyCode.\n     *\n     * @param {Mixed} keyCode {Number} or keyName {String}\n     * @return {Mixed}\n     * @api public\n     */\n    function keyCode(searchInput) {\n      // Keyboard Events\n      if (searchInput && 'object' === typeof searchInput) {\n        var hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode;\n        if (hasKeyCode) searchInput = hasKeyCode;\n      } // Numbers\n\n\n      if ('number' === typeof searchInput) return names[searchInput]; // Everything else (cast to string)\n\n      var search = String(searchInput); // check codes\n\n      var foundNamedKey = codes[search.toLowerCase()];\n      if (foundNamedKey) return foundNamedKey; // check aliases\n\n      var foundNamedKey = aliases[search.toLowerCase()];\n      if (foundNamedKey) return foundNamedKey; // weird character?\n\n      if (search.length === 1) return search.charCodeAt(0);\n      return undefined;\n    }\n    /**\n     * Compares a keyboard event with a given keyCode or keyName.\n     *\n     * @param {Event} event Keyboard event that should be tested\n     * @param {Mixed} keyCode {Number} or keyName {String}\n     * @return {Boolean}\n     * @api public\n     */\n\n\n    keyCode.isEventKey = function isEventKey(event, nameOrCode) {\n      if (event && 'object' === typeof event) {\n        var keyCode = event.which || event.keyCode || event.charCode;\n\n        if (keyCode === null || keyCode === undefined) {\n          return false;\n        }\n\n        if (typeof nameOrCode === 'string') {\n          // check codes\n          var foundNamedKey = codes[nameOrCode.toLowerCase()];\n\n          if (foundNamedKey) {\n            return foundNamedKey === keyCode;\n          } // check aliases\n\n\n          var foundNamedKey = aliases[nameOrCode.toLowerCase()];\n\n          if (foundNamedKey) {\n            return foundNamedKey === keyCode;\n          }\n        } else if (typeof nameOrCode === 'number') {\n          return nameOrCode === keyCode;\n        }\n\n        return false;\n      }\n    };\n\n    exports = module.exports = keyCode;\n    /**\n     * Get by name\n     *\n     *   exports.code['enter'] // => 13\n     */\n\n    var codes = exports.code = exports.codes = {\n      'backspace': 8,\n      'tab': 9,\n      'enter': 13,\n      'shift': 16,\n      'ctrl': 17,\n      'alt': 18,\n      'pause/break': 19,\n      'caps lock': 20,\n      'esc': 27,\n      'space': 32,\n      'page up': 33,\n      'page down': 34,\n      'end': 35,\n      'home': 36,\n      'left': 37,\n      'up': 38,\n      'right': 39,\n      'down': 40,\n      'insert': 45,\n      'delete': 46,\n      'command': 91,\n      'left command': 91,\n      'right command': 93,\n      'numpad *': 106,\n      'numpad +': 107,\n      'numpad -': 109,\n      'numpad .': 110,\n      'numpad /': 111,\n      'num lock': 144,\n      'scroll lock': 145,\n      'my computer': 182,\n      'my calculator': 183,\n      ';': 186,\n      '=': 187,\n      ',': 188,\n      '-': 189,\n      '.': 190,\n      '/': 191,\n      '`': 192,\n      '[': 219,\n      '\\\\': 220,\n      ']': 221,\n      \"'\": 222\n    }; // Helper aliases\n\n    var aliases = exports.aliases = {\n      'windows': 91,\n      '⇧': 16,\n      '⌥': 18,\n      '⌃': 17,\n      '⌘': 91,\n      'ctl': 17,\n      'control': 17,\n      'option': 18,\n      'pause': 19,\n      'break': 19,\n      'caps': 20,\n      'return': 13,\n      'escape': 27,\n      'spc': 32,\n      'spacebar': 32,\n      'pgup': 33,\n      'pgdn': 34,\n      'ins': 45,\n      'del': 46,\n      'cmd': 91\n    };\n    /*!\n     * Programatically add the following\n     */\n    // lower case chars\n\n    for (i = 97; i < 123; i++) {\n      codes[String.fromCharCode(i)] = i - 32;\n    } // numbers\n\n\n    for (var i = 48; i < 58; i++) {\n      codes[i - 48] = i;\n    } // function keys\n\n\n    for (i = 1; i < 13; i++) {\n      codes['f' + i] = i + 111;\n    } // numpad keys\n\n\n    for (i = 0; i < 10; i++) {\n      codes['numpad ' + i] = i + 96;\n    }\n    /**\n     * Get by code\n     *\n     *   exports.name[13] // => 'Enter'\n     */\n\n\n    var names = exports.names = exports.title = {}; // title for backward compat\n    // Create reverse mapping\n\n    for (i in codes) {\n      names[codes[i]] = i;\n    } // Add aliases\n\n\n    for (var alias in aliases) {\n      codes[alias] = aliases[alias];\n    }\n  });\n  var keycode_1 = keycode.code;\n  var keycode_2 = keycode.codes;\n  var keycode_3 = keycode.aliases;\n  var keycode_4 = keycode.names;\n  var keycode_5 = keycode.title;\n\n  var MODAL_CLASS_NAME = 'vjs-modal-dialog';\n  /**\n   * The `ModalDialog` displays over the video and its controls, which blocks\n   * interaction with the player until it is closed.\n   *\n   * Modal dialogs include a \"Close\" button and will close when that button\n   * is activated - or when ESC is pressed anywhere.\n   *\n   * @extends Component\n   */\n\n  var ModalDialog = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ModalDialog, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Mixed} [options.content=undefined]\n     *        Provide customized content for this modal.\n     *\n     * @param {string} [options.description]\n     *        A text description for the modal, primarily for accessibility.\n     *\n     * @param {boolean} [options.fillAlways=false]\n     *        Normally, modals are automatically filled only the first time\n     *        they open. This tells the modal to refresh its content\n     *        every time it opens.\n     *\n     * @param {string} [options.label]\n     *        A text label for the modal, primarily for accessibility.\n     *\n     * @param {boolean} [options.pauseOnOpen=true]\n     *        If `true`, playback will will be paused if playing when\n     *        the modal opens, and resumed when it closes.\n     *\n     * @param {boolean} [options.temporary=true]\n     *        If `true`, the modal can only be opened once; it will be\n     *        disposed as soon as it's closed.\n     *\n     * @param {boolean} [options.uncloseable=false]\n     *        If `true`, the user will not be able to close the modal\n     *        through the UI in the normal ways. Programmatic closing is\n     *        still possible.\n     */\n    function ModalDialog(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;\n\n      _this.closeable(!_this.options_.uncloseable);\n\n      _this.content(_this.options_.content); // Make sure the contentEl is defined AFTER any children are initialized\n      // because we only want the contents of the modal in the contentEl\n      // (not the UI elements like the close button).\n\n\n      _this.contentEl_ = createEl('div', {\n        className: MODAL_CLASS_NAME + \"-content\"\n      }, {\n        role: 'document'\n      });\n      _this.descEl_ = createEl('p', {\n        className: MODAL_CLASS_NAME + \"-description vjs-control-text\",\n        id: _this.el().getAttribute('aria-describedby')\n      });\n      textContent(_this.descEl_, _this.description());\n\n      _this.el_.appendChild(_this.descEl_);\n\n      _this.el_.appendChild(_this.contentEl_);\n\n      return _this;\n    }\n    /**\n     * Create the `ModalDialog`'s DOM element\n     *\n     * @return {Element}\n     *         The DOM element that gets created.\n     */\n\n\n    var _proto = ModalDialog.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildCSSClass(),\n        tabIndex: -1\n      }, {\n        'aria-describedby': this.id() + \"_description\",\n        'aria-hidden': 'true',\n        'aria-label': this.label(),\n        'role': 'dialog'\n      });\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.descEl_ = null;\n      this.previouslyActiveEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return MODAL_CLASS_NAME + \" vjs-hidden \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Returns the label string for this modal. Primarily used for accessibility.\n     *\n     * @return {string}\n     *         the localized or raw label of this modal.\n     */\n    ;\n\n    _proto.label = function label() {\n      return this.localize(this.options_.label || 'Modal Window');\n    }\n    /**\n     * Returns the description string for this modal. Primarily used for\n     * accessibility.\n     *\n     * @return {string}\n     *         The localized or raw description of this modal.\n     */\n    ;\n\n    _proto.description = function description() {\n      var desc = this.options_.description || this.localize('This is a modal window.'); // Append a universal closeability message if the modal is closeable.\n\n      if (this.closeable()) {\n        desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');\n      }\n\n      return desc;\n    }\n    /**\n     * Opens the modal.\n     *\n     * @fires ModalDialog#beforemodalopen\n     * @fires ModalDialog#modalopen\n     */\n    ;\n\n    _proto.open = function open() {\n      if (!this.opened_) {\n        var player = this.player();\n        /**\n          * Fired just before a `ModalDialog` is opened.\n          *\n          * @event ModalDialog#beforemodalopen\n          * @type {EventTarget~Event}\n          */\n\n        this.trigger('beforemodalopen');\n        this.opened_ = true; // Fill content if the modal has never opened before and\n        // never been filled.\n\n        if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {\n          this.fill();\n        } // If the player was playing, pause it and take note of its previously\n        // playing state.\n\n\n        this.wasPlaying_ = !player.paused();\n\n        if (this.options_.pauseOnOpen && this.wasPlaying_) {\n          player.pause();\n        }\n\n        this.on('keydown', this.handleKeyDown); // Hide controls and note if they were enabled.\n\n        this.hadControls_ = player.controls();\n        player.controls(false);\n        this.show();\n        this.conditionalFocus_();\n        this.el().setAttribute('aria-hidden', 'false');\n        /**\n          * Fired just after a `ModalDialog` is opened.\n          *\n          * @event ModalDialog#modalopen\n          * @type {EventTarget~Event}\n          */\n\n        this.trigger('modalopen');\n        this.hasBeenOpened_ = true;\n      }\n    }\n    /**\n     * If the `ModalDialog` is currently open or closed.\n     *\n     * @param  {boolean} [value]\n     *         If given, it will open (`true`) or close (`false`) the modal.\n     *\n     * @return {boolean}\n     *         the current open state of the modaldialog\n     */\n    ;\n\n    _proto.opened = function opened(value) {\n      if (typeof value === 'boolean') {\n        this[value ? 'open' : 'close']();\n      }\n\n      return this.opened_;\n    }\n    /**\n     * Closes the modal, does nothing if the `ModalDialog` is\n     * not open.\n     *\n     * @fires ModalDialog#beforemodalclose\n     * @fires ModalDialog#modalclose\n     */\n    ;\n\n    _proto.close = function close() {\n      if (!this.opened_) {\n        return;\n      }\n\n      var player = this.player();\n      /**\n        * Fired just before a `ModalDialog` is closed.\n        *\n        * @event ModalDialog#beforemodalclose\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('beforemodalclose');\n      this.opened_ = false;\n\n      if (this.wasPlaying_ && this.options_.pauseOnOpen) {\n        player.play();\n      }\n\n      this.off('keydown', this.handleKeyDown);\n\n      if (this.hadControls_) {\n        player.controls(true);\n      }\n\n      this.hide();\n      this.el().setAttribute('aria-hidden', 'true');\n      /**\n        * Fired just after a `ModalDialog` is closed.\n        *\n        * @event ModalDialog#modalclose\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('modalclose');\n      this.conditionalBlur_();\n\n      if (this.options_.temporary) {\n        this.dispose();\n      }\n    }\n    /**\n     * Check to see if the `ModalDialog` is closeable via the UI.\n     *\n     * @param  {boolean} [value]\n     *         If given as a boolean, it will set the `closeable` option.\n     *\n     * @return {boolean}\n     *         Returns the final value of the closable option.\n     */\n    ;\n\n    _proto.closeable = function closeable(value) {\n      if (typeof value === 'boolean') {\n        var closeable = this.closeable_ = !!value;\n        var close = this.getChild('closeButton'); // If this is being made closeable and has no close button, add one.\n\n        if (closeable && !close) {\n          // The close button should be a child of the modal - not its\n          // content element, so temporarily change the content element.\n          var temp = this.contentEl_;\n          this.contentEl_ = this.el_;\n          close = this.addChild('closeButton', {\n            controlText: 'Close Modal Dialog'\n          });\n          this.contentEl_ = temp;\n          this.on(close, 'close', this.close);\n        } // If this is being made uncloseable and has a close button, remove it.\n\n\n        if (!closeable && close) {\n          this.off(close, 'close', this.close);\n          this.removeChild(close);\n          close.dispose();\n        }\n      }\n\n      return this.closeable_;\n    }\n    /**\n     * Fill the modal's content element with the modal's \"content\" option.\n     * The content element will be emptied before this change takes place.\n     */\n    ;\n\n    _proto.fill = function fill() {\n      this.fillWith(this.content());\n    }\n    /**\n     * Fill the modal's content element with arbitrary content.\n     * The content element will be emptied before this change takes place.\n     *\n     * @fires ModalDialog#beforemodalfill\n     * @fires ModalDialog#modalfill\n     *\n     * @param {Mixed} [content]\n     *        The same rules apply to this as apply to the `content` option.\n     */\n    ;\n\n    _proto.fillWith = function fillWith(content) {\n      var contentEl = this.contentEl();\n      var parentEl = contentEl.parentNode;\n      var nextSiblingEl = contentEl.nextSibling;\n      /**\n        * Fired just before a `ModalDialog` is filled with content.\n        *\n        * @event ModalDialog#beforemodalfill\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('beforemodalfill');\n      this.hasBeenFilled_ = true; // Detach the content element from the DOM before performing\n      // manipulation to avoid modifying the live DOM multiple times.\n\n      parentEl.removeChild(contentEl);\n      this.empty();\n      insertContent(contentEl, content);\n      /**\n       * Fired just after a `ModalDialog` is filled with content.\n       *\n       * @event ModalDialog#modalfill\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('modalfill'); // Re-inject the re-filled content element.\n\n      if (nextSiblingEl) {\n        parentEl.insertBefore(contentEl, nextSiblingEl);\n      } else {\n        parentEl.appendChild(contentEl);\n      } // make sure that the close button is last in the dialog DOM\n\n\n      var closeButton = this.getChild('closeButton');\n\n      if (closeButton) {\n        parentEl.appendChild(closeButton.el_);\n      }\n    }\n    /**\n     * Empties the content element. This happens anytime the modal is filled.\n     *\n     * @fires ModalDialog#beforemodalempty\n     * @fires ModalDialog#modalempty\n     */\n    ;\n\n    _proto.empty = function empty() {\n      /**\n      * Fired just before a `ModalDialog` is emptied.\n      *\n      * @event ModalDialog#beforemodalempty\n      * @type {EventTarget~Event}\n      */\n      this.trigger('beforemodalempty');\n      emptyEl(this.contentEl());\n      /**\n      * Fired just after a `ModalDialog` is emptied.\n      *\n      * @event ModalDialog#modalempty\n      * @type {EventTarget~Event}\n      */\n\n      this.trigger('modalempty');\n    }\n    /**\n     * Gets or sets the modal content, which gets normalized before being\n     * rendered into the DOM.\n     *\n     * This does not update the DOM or fill the modal, but it is called during\n     * that process.\n     *\n     * @param  {Mixed} [value]\n     *         If defined, sets the internal content value to be used on the\n     *         next call(s) to `fill`. This value is normalized before being\n     *         inserted. To \"clear\" the internal content value, pass `null`.\n     *\n     * @return {Mixed}\n     *         The current content of the modal dialog\n     */\n    ;\n\n    _proto.content = function content(value) {\n      if (typeof value !== 'undefined') {\n        this.content_ = value;\n      }\n\n      return this.content_;\n    }\n    /**\n     * conditionally focus the modal dialog if focus was previously on the player.\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalFocus_ = function conditionalFocus_() {\n      var activeEl = document.activeElement;\n      var playerEl = this.player_.el_;\n      this.previouslyActiveEl_ = null;\n\n      if (playerEl.contains(activeEl) || playerEl === activeEl) {\n        this.previouslyActiveEl_ = activeEl;\n        this.focus();\n      }\n    }\n    /**\n     * conditionally blur the element and refocus the last focused element\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalBlur_ = function conditionalBlur_() {\n      if (this.previouslyActiveEl_) {\n        this.previouslyActiveEl_.focus();\n        this.previouslyActiveEl_ = null;\n      }\n    }\n    /**\n     * Keydown handler. Attached when modal is focused.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Do not allow keydowns to reach out of the modal dialog.\n      event.stopPropagation();\n\n      if (keycode.isEventKey(event, 'Escape') && this.closeable()) {\n        event.preventDefault();\n        this.close();\n        return;\n      } // exit early if it isn't a tab key\n\n\n      if (!keycode.isEventKey(event, 'Tab')) {\n        return;\n      }\n\n      var focusableEls = this.focusableEls_();\n      var activeEl = this.el_.querySelector(':focus');\n      var focusIndex;\n\n      for (var i = 0; i < focusableEls.length; i++) {\n        if (activeEl === focusableEls[i]) {\n          focusIndex = i;\n          break;\n        }\n      }\n\n      if (document.activeElement === this.el_) {\n        focusIndex = 0;\n      }\n\n      if (event.shiftKey && focusIndex === 0) {\n        focusableEls[focusableEls.length - 1].focus();\n        event.preventDefault();\n      } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {\n        focusableEls[0].focus();\n        event.preventDefault();\n      }\n    }\n    /**\n     * get all focusable elements\n     *\n     * @private\n     */\n    ;\n\n    _proto.focusableEls_ = function focusableEls_() {\n      var allChildren = this.el_.querySelectorAll('*');\n      return Array.prototype.filter.call(allChildren, function (child) {\n        return (child instanceof window$3.HTMLAnchorElement || child instanceof window$3.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window$3.HTMLInputElement || child instanceof window$3.HTMLSelectElement || child instanceof window$3.HTMLTextAreaElement || child instanceof window$3.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window$3.HTMLIFrameElement || child instanceof window$3.HTMLObjectElement || child instanceof window$3.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');\n      });\n    };\n\n    return ModalDialog;\n  }(Component);\n  /**\n   * Default options for `ModalDialog` default options.\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ModalDialog.prototype.options_ = {\n    pauseOnOpen: true,\n    temporary: true\n  };\n  Component.registerComponent('ModalDialog', ModalDialog);\n\n  /**\n   * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and\n   * {@link VideoTrackList}\n   *\n   * @extends EventTarget\n   */\n\n  var TrackList = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(TrackList, _EventTarget);\n\n    /**\n     * Create an instance of this class\n     *\n     * @param {Track[]} tracks\n     *        A list of tracks to initialize the list with.\n     *\n     * @abstract\n     */\n    function TrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      _this = _EventTarget.call(this) || this;\n      _this.tracks_ = [];\n      /**\n       * @memberof TrackList\n       * @member {number} length\n       *         The current number of `Track`s in the this Trackist.\n       * @instance\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'length', {\n        get: function get() {\n          return this.tracks_.length;\n        }\n      });\n\n      for (var i = 0; i < tracks.length; i++) {\n        _this.addTrack(tracks[i]);\n      }\n\n      return _this;\n    }\n    /**\n     * Add a {@link Track} to the `TrackList`\n     *\n     * @param {Track} track\n     *        The audio, video, or text track to add to the list.\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = TrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var index = this.tracks_.length;\n\n      if (!('' + index in this)) {\n        Object.defineProperty(this, index, {\n          get: function get() {\n            return this.tracks_[index];\n          }\n        });\n      } // Do not add duplicate tracks\n\n\n      if (this.tracks_.indexOf(track) === -1) {\n        this.tracks_.push(track);\n        /**\n         * Triggered when a track is added to a track list.\n         *\n         * @event TrackList#addtrack\n         * @type {EventTarget~Event}\n         * @property {Track} track\n         *           A reference to track that was added.\n         */\n\n        this.trigger({\n          track: track,\n          type: 'addtrack',\n          target: this\n        });\n      }\n    }\n    /**\n     * Remove a {@link Track} from the `TrackList`\n     *\n     * @param {Track} rtrack\n     *        The audio, video, or text track to remove from the list.\n     *\n     * @fires TrackList#removetrack\n     */\n    ;\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      var track;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        if (this[i] === rtrack) {\n          track = this[i];\n\n          if (track.off) {\n            track.off();\n          }\n\n          this.tracks_.splice(i, 1);\n          break;\n        }\n      }\n\n      if (!track) {\n        return;\n      }\n      /**\n       * Triggered when a track is removed from track list.\n       *\n       * @event TrackList#removetrack\n       * @type {EventTarget~Event}\n       * @property {Track} track\n       *           A reference to track that was removed.\n       */\n\n\n      this.trigger({\n        track: track,\n        type: 'removetrack',\n        target: this\n      });\n    }\n    /**\n     * Get a Track from the TrackList by a tracks id\n     *\n     * @param {string} id - the id of the track to get\n     * @method getTrackById\n     * @return {Track}\n     * @private\n     */\n    ;\n\n    _proto.getTrackById = function getTrackById(id) {\n      var result = null;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        var track = this[i];\n\n        if (track.id === id) {\n          result = track;\n          break;\n        }\n      }\n\n      return result;\n    };\n\n    return TrackList;\n  }(EventTarget);\n  /**\n   * Triggered when a different track is selected/enabled.\n   *\n   * @event TrackList#change\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Events that can be called with on + eventName. See {@link EventHandler}.\n   *\n   * @property {Object} TrackList#allowedEvents_\n   * @private\n   */\n\n\n  TrackList.prototype.allowedEvents_ = {\n    change: 'change',\n    addtrack: 'addtrack',\n    removetrack: 'removetrack'\n  }; // emulate attribute EventHandler support to allow for feature detection\n\n  for (var event in TrackList.prototype.allowedEvents_) {\n    TrackList.prototype['on' + event] = null;\n  }\n\n  /**\n   * Anywhere we call this function we diverge from the spec\n   * as we only support one enabled audiotrack at a time\n   *\n   * @param {AudioTrackList} list\n   *        list to work on\n   *\n   * @param {AudioTrack} track\n   *        The track to skip\n   *\n   * @private\n   */\n\n  var disableOthers = function disableOthers(list, track) {\n    for (var i = 0; i < list.length; i++) {\n      if (!Object.keys(list[i]).length || track.id === list[i].id) {\n        continue;\n      } // another audio track is enabled, disable it\n\n\n      list[i].enabled = false;\n    }\n  };\n  /**\n   * The current list of {@link AudioTrack} for a media file.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}\n   * @extends TrackList\n   */\n\n\n  var AudioTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(AudioTrackList, _TrackList);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {AudioTrack[]} [tracks=[]]\n     *        A list of `AudioTrack` to instantiate the list with.\n     */\n    function AudioTrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      // make sure only 1 track is enabled\n      // sorted from last index to first index\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        if (tracks[i].enabled) {\n          disableOthers(tracks, tracks[i]);\n          break;\n        }\n      }\n\n      _this = _TrackList.call(this, tracks) || this;\n      _this.changing_ = false;\n      return _this;\n    }\n    /**\n     * Add an {@link AudioTrack} to the `AudioTrackList`.\n     *\n     * @param {AudioTrack} track\n     *        The AudioTrack to add to the list\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = AudioTrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var _this2 = this;\n\n      if (track.enabled) {\n        disableOthers(this, track);\n      }\n\n      _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this\n\n\n      if (!track.addEventListener) {\n        return;\n      }\n\n      track.enabledChange_ = function () {\n        // when we are disabling other tracks (since we don't support\n        // more than one track at a time) we will set changing_\n        // to true so that we don't trigger additional change events\n        if (_this2.changing_) {\n          return;\n        }\n\n        _this2.changing_ = true;\n        disableOthers(_this2, track);\n        _this2.changing_ = false;\n\n        _this2.trigger('change');\n      };\n      /**\n       * @listens AudioTrack#enabledchange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('enabledchange', track.enabledChange_);\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack);\n\n      if (rtrack.removeEventListener && rtrack.enabledChange_) {\n        rtrack.removeEventListener('enabledchange', rtrack.enabledChange_);\n        rtrack.enabledChange_ = null;\n      }\n    };\n\n    return AudioTrackList;\n  }(TrackList);\n\n  /**\n   * Un-select all other {@link VideoTrack}s that are selected.\n   *\n   * @param {VideoTrackList} list\n   *        list to work on\n   *\n   * @param {VideoTrack} track\n   *        The track to skip\n   *\n   * @private\n   */\n\n  var disableOthers$1 = function disableOthers(list, track) {\n    for (var i = 0; i < list.length; i++) {\n      if (!Object.keys(list[i]).length || track.id === list[i].id) {\n        continue;\n      } // another video track is enabled, disable it\n\n\n      list[i].selected = false;\n    }\n  };\n  /**\n   * The current list of {@link VideoTrack} for a video.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}\n   * @extends TrackList\n   */\n\n\n  var VideoTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(VideoTrackList, _TrackList);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {VideoTrack[]} [tracks=[]]\n     *        A list of `VideoTrack` to instantiate the list with.\n     */\n    function VideoTrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      // make sure only 1 track is enabled\n      // sorted from last index to first index\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        if (tracks[i].selected) {\n          disableOthers$1(tracks, tracks[i]);\n          break;\n        }\n      }\n\n      _this = _TrackList.call(this, tracks) || this;\n      _this.changing_ = false;\n      /**\n       * @member {number} VideoTrackList#selectedIndex\n       *         The current index of the selected {@link VideoTrack`}.\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'selectedIndex', {\n        get: function get() {\n          for (var _i = 0; _i < this.length; _i++) {\n            if (this[_i].selected) {\n              return _i;\n            }\n          }\n\n          return -1;\n        },\n        set: function set() {}\n      });\n      return _this;\n    }\n    /**\n     * Add a {@link VideoTrack} to the `VideoTrackList`.\n     *\n     * @param {VideoTrack} track\n     *        The VideoTrack to add to the list\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = VideoTrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var _this2 = this;\n\n      if (track.selected) {\n        disableOthers$1(this, track);\n      }\n\n      _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this\n\n\n      if (!track.addEventListener) {\n        return;\n      }\n\n      track.selectedChange_ = function () {\n        if (_this2.changing_) {\n          return;\n        }\n\n        _this2.changing_ = true;\n        disableOthers$1(_this2, track);\n        _this2.changing_ = false;\n\n        _this2.trigger('change');\n      };\n      /**\n       * @listens VideoTrack#selectedchange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('selectedchange', track.selectedChange_);\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack);\n\n      if (rtrack.removeEventListener && rtrack.selectedChange_) {\n        rtrack.removeEventListener('selectedchange', rtrack.selectedChange_);\n        rtrack.selectedChange_ = null;\n      }\n    };\n\n    return VideoTrackList;\n  }(TrackList);\n\n  /**\n   * The current list of {@link TextTrack} for a media file.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}\n   * @extends TrackList\n   */\n\n  var TextTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(TextTrackList, _TrackList);\n\n    function TextTrackList() {\n      return _TrackList.apply(this, arguments) || this;\n    }\n\n    var _proto = TextTrackList.prototype;\n\n    /**\n     * Add a {@link TextTrack} to the `TextTrackList`\n     *\n     * @param {TextTrack} track\n     *        The text track to add to the list.\n     *\n     * @fires TrackList#addtrack\n     */\n    _proto.addTrack = function addTrack(track) {\n      var _this = this;\n\n      _TrackList.prototype.addTrack.call(this, track);\n\n      if (!this.queueChange_) {\n        this.queueChange_ = function () {\n          return _this.queueTrigger('change');\n        };\n      }\n\n      if (!this.triggerSelectedlanguagechange) {\n        this.triggerSelectedlanguagechange_ = function () {\n          return _this.trigger('selectedlanguagechange');\n        };\n      }\n      /**\n       * @listens TextTrack#modechange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('modechange', this.queueChange_);\n      var nonLanguageTextTrackKind = ['metadata', 'chapters'];\n\n      if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {\n        track.addEventListener('modechange', this.triggerSelectedlanguagechange_);\n      }\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack); // manually remove the event handlers we added\n\n\n      if (rtrack.removeEventListener) {\n        if (this.queueChange_) {\n          rtrack.removeEventListener('modechange', this.queueChange_);\n        }\n\n        if (this.selectedlanguagechange_) {\n          rtrack.removeEventListener('modechange', this.triggerSelectedlanguagechange_);\n        }\n      }\n    };\n\n    return TextTrackList;\n  }(TrackList);\n\n  /**\n   * @file html-track-element-list.js\n   */\n\n  /**\n   * The current list of {@link HtmlTrackElement}s.\n   */\n  var HtmlTrackElementList = /*#__PURE__*/function () {\n    /**\n     * Create an instance of this class.\n     *\n     * @param {HtmlTrackElement[]} [tracks=[]]\n     *        A list of `HtmlTrackElement` to instantiate the list with.\n     */\n    function HtmlTrackElementList(trackElements) {\n      if (trackElements === void 0) {\n        trackElements = [];\n      }\n\n      this.trackElements_ = [];\n      /**\n       * @memberof HtmlTrackElementList\n       * @member {number} length\n       *         The current number of `Track`s in the this Trackist.\n       * @instance\n       */\n\n      Object.defineProperty(this, 'length', {\n        get: function get() {\n          return this.trackElements_.length;\n        }\n      });\n\n      for (var i = 0, length = trackElements.length; i < length; i++) {\n        this.addTrackElement_(trackElements[i]);\n      }\n    }\n    /**\n     * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`\n     *\n     * @param {HtmlTrackElement} trackElement\n     *        The track element to add to the list.\n     *\n     * @private\n     */\n\n\n    var _proto = HtmlTrackElementList.prototype;\n\n    _proto.addTrackElement_ = function addTrackElement_(trackElement) {\n      var index = this.trackElements_.length;\n\n      if (!('' + index in this)) {\n        Object.defineProperty(this, index, {\n          get: function get() {\n            return this.trackElements_[index];\n          }\n        });\n      } // Do not add duplicate elements\n\n\n      if (this.trackElements_.indexOf(trackElement) === -1) {\n        this.trackElements_.push(trackElement);\n      }\n    }\n    /**\n     * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an\n     * {@link TextTrack}.\n     *\n     * @param {TextTrack} track\n     *        The track associated with a track element.\n     *\n     * @return {HtmlTrackElement|undefined}\n     *         The track element that was found or undefined.\n     *\n     * @private\n     */\n    ;\n\n    _proto.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {\n      var trackElement_;\n\n      for (var i = 0, length = this.trackElements_.length; i < length; i++) {\n        if (track === this.trackElements_[i].track) {\n          trackElement_ = this.trackElements_[i];\n          break;\n        }\n      }\n\n      return trackElement_;\n    }\n    /**\n     * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`\n     *\n     * @param {HtmlTrackElement} trackElement\n     *        The track element to remove from the list.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeTrackElement_ = function removeTrackElement_(trackElement) {\n      for (var i = 0, length = this.trackElements_.length; i < length; i++) {\n        if (trackElement === this.trackElements_[i]) {\n          if (this.trackElements_[i].track && typeof this.trackElements_[i].track.off === 'function') {\n            this.trackElements_[i].track.off();\n          }\n\n          if (typeof this.trackElements_[i].off === 'function') {\n            this.trackElements_[i].off();\n          }\n\n          this.trackElements_.splice(i, 1);\n          break;\n        }\n      }\n    };\n\n    return HtmlTrackElementList;\n  }();\n\n  /**\n   * @file text-track-cue-list.js\n   */\n\n  /**\n   * @typedef {Object} TextTrackCueList~TextTrackCue\n   *\n   * @property {string} id\n   *           The unique id for this text track cue\n   *\n   * @property {number} startTime\n   *           The start time for this text track cue\n   *\n   * @property {number} endTime\n   *           The end time for this text track cue\n   *\n   * @property {boolean} pauseOnExit\n   *           Pause when the end time is reached if true.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}\n   */\n\n  /**\n   * A List of TextTrackCues.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}\n   */\n  var TextTrackCueList = /*#__PURE__*/function () {\n    /**\n     * Create an instance of this class..\n     *\n     * @param {Array} cues\n     *        A list of cues to be initialized with\n     */\n    function TextTrackCueList(cues) {\n      TextTrackCueList.prototype.setCues_.call(this, cues);\n      /**\n       * @memberof TextTrackCueList\n       * @member {number} length\n       *         The current number of `TextTrackCue`s in the TextTrackCueList.\n       * @instance\n       */\n\n      Object.defineProperty(this, 'length', {\n        get: function get() {\n          return this.length_;\n        }\n      });\n    }\n    /**\n     * A setter for cues in this list. Creates getters\n     * an an index for the cues.\n     *\n     * @param {Array} cues\n     *        An array of cues to set\n     *\n     * @private\n     */\n\n\n    var _proto = TextTrackCueList.prototype;\n\n    _proto.setCues_ = function setCues_(cues) {\n      var oldLength = this.length || 0;\n      var i = 0;\n      var l = cues.length;\n      this.cues_ = cues;\n      this.length_ = cues.length;\n\n      var defineProp = function defineProp(index) {\n        if (!('' + index in this)) {\n          Object.defineProperty(this, '' + index, {\n            get: function get() {\n              return this.cues_[index];\n            }\n          });\n        }\n      };\n\n      if (oldLength < l) {\n        i = oldLength;\n\n        for (; i < l; i++) {\n          defineProp.call(this, i);\n        }\n      }\n    }\n    /**\n     * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.\n     *\n     * @param {string} id\n     *        The id of the cue that should be searched for.\n     *\n     * @return {TextTrackCueList~TextTrackCue|null}\n     *         A single cue or null if none was found.\n     */\n    ;\n\n    _proto.getCueById = function getCueById(id) {\n      var result = null;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        var cue = this[i];\n\n        if (cue.id === id) {\n          result = cue;\n          break;\n        }\n      }\n\n      return result;\n    };\n\n    return TextTrackCueList;\n  }();\n\n  /**\n   * @file track-kinds.js\n   */\n\n  /**\n   * All possible `VideoTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind\n   * @typedef VideoTrack~Kind\n   * @enum\n   */\n  var VideoTrackKind = {\n    alternative: 'alternative',\n    captions: 'captions',\n    main: 'main',\n    sign: 'sign',\n    subtitles: 'subtitles',\n    commentary: 'commentary'\n  };\n  /**\n   * All possible `AudioTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind\n   * @typedef AudioTrack~Kind\n   * @enum\n   */\n\n  var AudioTrackKind = {\n    'alternative': 'alternative',\n    'descriptions': 'descriptions',\n    'main': 'main',\n    'main-desc': 'main-desc',\n    'translation': 'translation',\n    'commentary': 'commentary'\n  };\n  /**\n   * All possible `TextTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind\n   * @typedef TextTrack~Kind\n   * @enum\n   */\n\n  var TextTrackKind = {\n    subtitles: 'subtitles',\n    captions: 'captions',\n    descriptions: 'descriptions',\n    chapters: 'chapters',\n    metadata: 'metadata'\n  };\n  /**\n   * All possible `TextTrackMode`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode\n   * @typedef TextTrack~Mode\n   * @enum\n   */\n\n  var TextTrackMode = {\n    disabled: 'disabled',\n    hidden: 'hidden',\n    showing: 'showing'\n  };\n\n  /**\n   * A Track class that contains all of the common functionality for {@link AudioTrack},\n   * {@link VideoTrack}, and {@link TextTrack}.\n   *\n   * > Note: This class should not be used directly\n   *\n   * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}\n   * @extends EventTarget\n   * @abstract\n   */\n\n  var Track = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(Track, _EventTarget);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {string} [options.kind='']\n     *        A valid kind for the track type you are creating.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @abstract\n     */\n    function Track(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _EventTarget.call(this) || this;\n      var trackProps = {\n        id: options.id || 'vjs_track_' + newGUID(),\n        kind: options.kind || '',\n        label: options.label || '',\n        language: options.language || ''\n      };\n      /**\n       * @memberof Track\n       * @member {string} id\n       *         The id of this track. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} kind\n       *         The kind of track that this is. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} label\n       *         The label of this track. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} language\n       *         The two letter language code for this track. Cannot be changed after\n       *         creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      var _loop = function _loop(key) {\n        Object.defineProperty(assertThisInitialized(_this), key, {\n          get: function get() {\n            return trackProps[key];\n          },\n          set: function set() {}\n        });\n      };\n\n      for (var key in trackProps) {\n        _loop(key);\n      }\n\n      return _this;\n    }\n\n    return Track;\n  }(EventTarget);\n\n  /**\n   * @file url.js\n   * @module url\n   */\n  /**\n   * @typedef {Object} url:URLObject\n   *\n   * @property {string} protocol\n   *           The protocol of the url that was parsed.\n   *\n   * @property {string} hostname\n   *           The hostname of the url that was parsed.\n   *\n   * @property {string} port\n   *           The port of the url that was parsed.\n   *\n   * @property {string} pathname\n   *           The pathname of the url that was parsed.\n   *\n   * @property {string} search\n   *           The search query of the url that was parsed.\n   *\n   * @property {string} hash\n   *           The hash of the url that was parsed.\n   *\n   * @property {string} host\n   *           The host of the url that was parsed.\n   */\n\n  /**\n   * Resolve and parse the elements of a URL.\n   *\n   * @function\n   * @param    {String} url\n   *           The url to parse\n   *\n   * @return   {url:URLObject}\n   *           An object of url details\n   */\n\n  var parseUrl = function parseUrl(url) {\n    var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host']; // add the url to an anchor and let the browser parse the URL\n\n    var a = document.createElement('a');\n    a.href = url; // IE8 (and 9?) Fix\n    // ie8 doesn't parse the URL correctly until the anchor is actually\n    // added to the body, and an innerHTML is needed to trigger the parsing\n\n    var addToBody = a.host === '' && a.protocol !== 'file:';\n    var div;\n\n    if (addToBody) {\n      div = document.createElement('div');\n      div.innerHTML = \"<a href=\\\"\" + url + \"\\\"></a>\";\n      a = div.firstChild; // prevent the div from affecting layout\n\n      div.setAttribute('style', 'display:none; position:absolute;');\n      document.body.appendChild(div);\n    } // Copy the specific URL properties to a new object\n    // This is also needed for IE8 because the anchor loses its\n    // properties when it's removed from the dom\n\n\n    var details = {};\n\n    for (var i = 0; i < props.length; i++) {\n      details[props[i]] = a[props[i]];\n    } // IE9 adds the port to the host property unlike everyone else. If\n    // a port identifier is added for standard ports, strip it.\n\n\n    if (details.protocol === 'http:') {\n      details.host = details.host.replace(/:80$/, '');\n    }\n\n    if (details.protocol === 'https:') {\n      details.host = details.host.replace(/:443$/, '');\n    }\n\n    if (!details.protocol) {\n      details.protocol = window$3.location.protocol;\n    }\n\n    if (addToBody) {\n      document.body.removeChild(div);\n    }\n\n    return details;\n  };\n  /**\n   * Get absolute version of relative URL. Used to tell Flash the correct URL.\n   *\n   * @function\n   * @param    {string} url\n   *           URL to make absolute\n   *\n   * @return   {string}\n   *           Absolute URL\n   *\n   * @see      http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue\n   */\n\n  var getAbsoluteURL = function getAbsoluteURL(url) {\n    // Check if absolute URL\n    if (!url.match(/^https?:\\/\\//)) {\n      // Convert to absolute URL. Flash hosted off-site needs an absolute URL.\n      var div = document.createElement('div');\n      div.innerHTML = \"<a href=\\\"\" + url + \"\\\">x</a>\";\n      url = div.firstChild.href;\n    }\n\n    return url;\n  };\n  /**\n   * Returns the extension of the passed file name. It will return an empty string\n   * if passed an invalid path.\n   *\n   * @function\n   * @param    {string} path\n   *           The fileName path like '/path/to/file.mp4'\n   *\n   * @return  {string}\n   *           The extension in lower case or an empty string if no\n   *           extension could be found.\n   */\n\n  var getFileExtension = function getFileExtension(path) {\n    if (typeof path === 'string') {\n      var splitPathRe = /^(\\/?)([\\s\\S]*?)((?:\\.{1,2}|[^\\/]+?)(\\.([^\\.\\/\\?]+)))(?:[\\/]*|[\\?].*)$/;\n      var pathParts = splitPathRe.exec(path);\n\n      if (pathParts) {\n        return pathParts.pop().toLowerCase();\n      }\n    }\n\n    return '';\n  };\n  /**\n   * Returns whether the url passed is a cross domain request or not.\n   *\n   * @function\n   * @param    {string} url\n   *           The url to check.\n   *\n   * @param    {Object} [winLoc]\n   *           the domain to check the url against, defaults to window.location\n   *\n   * @param    {string} [winLoc.protocol]\n   *           The window location protocol defaults to window.location.protocol\n   *\n   * @param    {string} [winLoc.host]\n   *           The window location host defaults to window.location.host\n   *\n   * @return   {boolean}\n   *           Whether it is a cross domain request or not.\n   */\n\n  var isCrossOrigin = function isCrossOrigin(url, winLoc) {\n    if (winLoc === void 0) {\n      winLoc = window$3.location;\n    }\n\n    var urlInfo = parseUrl(url); // IE8 protocol relative urls will return ':' for protocol\n\n    var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol; // Check if url is for another domain/origin\n    // IE8 doesn't know location.origin, so we won't rely on it here\n\n    var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;\n    return crossOrigin;\n  };\n\n  var Url = /*#__PURE__*/Object.freeze({\n    parseUrl: parseUrl,\n    getAbsoluteURL: getAbsoluteURL,\n    getFileExtension: getFileExtension,\n    isCrossOrigin: isCrossOrigin\n  });\n\n  var isFunction_1 = isFunction;\n  var toString$1 = Object.prototype.toString;\n\n  function isFunction(fn) {\n    var string = toString$1.call(fn);\n    return string === '[object Function]' || typeof fn === 'function' && string !== '[object RegExp]' || typeof window !== 'undefined' && ( // IE8 and below\n    fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt);\n  }\n\n  /**\n   * @license\n   * slighly modified parse-headers 2.0.2 <https://github.com/kesla/parse-headers/>\n   * Copyright (c) 2014 David Björklund\n   * Available under the MIT license\n   * <https://github.com/kesla/parse-headers/blob/master/LICENCE>\n   */\n\n\n  var parseHeaders = function parseHeaders(headers) {\n    var result = {};\n\n    if (!headers) {\n      return result;\n    }\n\n    headers.trim().split('\\n').forEach(function (row) {\n      var index = row.indexOf(':');\n      var key = row.slice(0, index).trim().toLowerCase();\n      var value = row.slice(index + 1).trim();\n\n      if (typeof result[key] === 'undefined') {\n        result[key] = value;\n      } else if (Array.isArray(result[key])) {\n        result[key].push(value);\n      } else {\n        result[key] = [result[key], value];\n      }\n    });\n    return result;\n  };\n\n  var xhr = createXHR; // Allow use of default import syntax in TypeScript\n\n  var default_1 = createXHR;\n  createXHR.XMLHttpRequest = window$3.XMLHttpRequest || noop;\n  createXHR.XDomainRequest = \"withCredentials\" in new createXHR.XMLHttpRequest() ? createXHR.XMLHttpRequest : window$3.XDomainRequest;\n  forEachArray([\"get\", \"put\", \"post\", \"patch\", \"head\", \"delete\"], function (method) {\n    createXHR[method === \"delete\" ? \"del\" : method] = function (uri, options, callback) {\n      options = initParams(uri, options, callback);\n      options.method = method.toUpperCase();\n      return _createXHR(options);\n    };\n  });\n\n  function forEachArray(array, iterator) {\n    for (var i = 0; i < array.length; i++) {\n      iterator(array[i]);\n    }\n  }\n\n  function isEmpty(obj) {\n    for (var i in obj) {\n      if (obj.hasOwnProperty(i)) return false;\n    }\n\n    return true;\n  }\n\n  function initParams(uri, options, callback) {\n    var params = uri;\n\n    if (isFunction_1(options)) {\n      callback = options;\n\n      if (typeof uri === \"string\") {\n        params = {\n          uri: uri\n        };\n      }\n    } else {\n      params = _extends_1({}, options, {\n        uri: uri\n      });\n    }\n\n    params.callback = callback;\n    return params;\n  }\n\n  function createXHR(uri, options, callback) {\n    options = initParams(uri, options, callback);\n    return _createXHR(options);\n  }\n\n  function _createXHR(options) {\n    if (typeof options.callback === \"undefined\") {\n      throw new Error(\"callback argument missing\");\n    }\n\n    var called = false;\n\n    var callback = function cbOnce(err, response, body) {\n      if (!called) {\n        called = true;\n        options.callback(err, response, body);\n      }\n    };\n\n    function readystatechange() {\n      if (xhr.readyState === 4) {\n        setTimeout(loadFunc, 0);\n      }\n    }\n\n    function getBody() {\n      // Chrome with requestType=blob throws errors arround when even testing access to responseText\n      var body = undefined;\n\n      if (xhr.response) {\n        body = xhr.response;\n      } else {\n        body = xhr.responseText || getXml(xhr);\n      }\n\n      if (isJson) {\n        try {\n          body = JSON.parse(body);\n        } catch (e) {}\n      }\n\n      return body;\n    }\n\n    function errorFunc(evt) {\n      clearTimeout(timeoutTimer);\n\n      if (!(evt instanceof Error)) {\n        evt = new Error(\"\" + (evt || \"Unknown XMLHttpRequest Error\"));\n      }\n\n      evt.statusCode = 0;\n      return callback(evt, failureResponse);\n    } // will load the data & process the response in a special response object\n\n\n    function loadFunc() {\n      if (aborted) return;\n      var status;\n      clearTimeout(timeoutTimer);\n\n      if (options.useXDR && xhr.status === undefined) {\n        //IE8 CORS GET successful response doesn't have a status field, but body is fine\n        status = 200;\n      } else {\n        status = xhr.status === 1223 ? 204 : xhr.status;\n      }\n\n      var response = failureResponse;\n      var err = null;\n\n      if (status !== 0) {\n        response = {\n          body: getBody(),\n          statusCode: status,\n          method: method,\n          headers: {},\n          url: uri,\n          rawRequest: xhr\n        };\n\n        if (xhr.getAllResponseHeaders) {\n          //remember xhr can in fact be XDR for CORS in IE\n          response.headers = parseHeaders(xhr.getAllResponseHeaders());\n        }\n      } else {\n        err = new Error(\"Internal XMLHttpRequest Error\");\n      }\n\n      return callback(err, response, response.body);\n    }\n\n    var xhr = options.xhr || null;\n\n    if (!xhr) {\n      if (options.cors || options.useXDR) {\n        xhr = new createXHR.XDomainRequest();\n      } else {\n        xhr = new createXHR.XMLHttpRequest();\n      }\n    }\n\n    var key;\n    var aborted;\n    var uri = xhr.url = options.uri || options.url;\n    var method = xhr.method = options.method || \"GET\";\n    var body = options.body || options.data;\n    var headers = xhr.headers = options.headers || {};\n    var sync = !!options.sync;\n    var isJson = false;\n    var timeoutTimer;\n    var failureResponse = {\n      body: undefined,\n      headers: {},\n      statusCode: 0,\n      method: method,\n      url: uri,\n      rawRequest: xhr\n    };\n\n    if (\"json\" in options && options.json !== false) {\n      isJson = true;\n      headers[\"accept\"] || headers[\"Accept\"] || (headers[\"Accept\"] = \"application/json\"); //Don't override existing accept header declared by user\n\n      if (method !== \"GET\" && method !== \"HEAD\") {\n        headers[\"content-type\"] || headers[\"Content-Type\"] || (headers[\"Content-Type\"] = \"application/json\"); //Don't override existing accept header declared by user\n\n        body = JSON.stringify(options.json === true ? body : options.json);\n      }\n    }\n\n    xhr.onreadystatechange = readystatechange;\n    xhr.onload = loadFunc;\n    xhr.onerror = errorFunc; // IE9 must have onprogress be set to a unique function.\n\n    xhr.onprogress = function () {// IE must die\n    };\n\n    xhr.onabort = function () {\n      aborted = true;\n    };\n\n    xhr.ontimeout = errorFunc;\n    xhr.open(method, uri, !sync, options.username, options.password); //has to be after open\n\n    if (!sync) {\n      xhr.withCredentials = !!options.withCredentials;\n    } // Cannot set timeout with sync request\n    // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly\n    // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent\n\n\n    if (!sync && options.timeout > 0) {\n      timeoutTimer = setTimeout(function () {\n        if (aborted) return;\n        aborted = true; //IE9 may still call readystatechange\n\n        xhr.abort(\"timeout\");\n        var e = new Error(\"XMLHttpRequest timeout\");\n        e.code = \"ETIMEDOUT\";\n        errorFunc(e);\n      }, options.timeout);\n    }\n\n    if (xhr.setRequestHeader) {\n      for (key in headers) {\n        if (headers.hasOwnProperty(key)) {\n          xhr.setRequestHeader(key, headers[key]);\n        }\n      }\n    } else if (options.headers && !isEmpty(options.headers)) {\n      throw new Error(\"Headers cannot be set on an XDomainRequest object\");\n    }\n\n    if (\"responseType\" in options) {\n      xhr.responseType = options.responseType;\n    }\n\n    if (\"beforeSend\" in options && typeof options.beforeSend === \"function\") {\n      options.beforeSend(xhr);\n    } // Microsoft Edge browser sends \"undefined\" when send is called with undefined value.\n    // XMLHttpRequest spec says to pass null as body to indicate no body\n    // See https://github.com/naugtur/xhr/issues/100.\n\n\n    xhr.send(body || null);\n    return xhr;\n  }\n\n  function getXml(xhr) {\n    // xhr.responseXML will throw Exception \"InvalidStateError\" or \"DOMException\"\n    // See https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseXML.\n    try {\n      if (xhr.responseType === \"document\") {\n        return xhr.responseXML;\n      }\n\n      var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === \"parsererror\";\n\n      if (xhr.responseType === \"\" && !firefoxBugTakenEffect) {\n        return xhr.responseXML;\n      }\n    } catch (e) {}\n\n    return null;\n  }\n\n  function noop() {}\n  xhr[\"default\"] = default_1;\n\n  /**\n   * Takes a webvtt file contents and parses it into cues\n   *\n   * @param {string} srcContent\n   *        webVTT file contents\n   *\n   * @param {TextTrack} track\n   *        TextTrack to add cues to. Cues come from the srcContent.\n   *\n   * @private\n   */\n\n  var parseCues = function parseCues(srcContent, track) {\n    var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, window$3.WebVTT.StringDecoder());\n    var errors = [];\n\n    parser.oncue = function (cue) {\n      track.addCue(cue);\n    };\n\n    parser.onparsingerror = function (error) {\n      errors.push(error);\n    };\n\n    parser.onflush = function () {\n      track.trigger({\n        type: 'loadeddata',\n        target: track\n      });\n    };\n\n    parser.parse(srcContent);\n\n    if (errors.length > 0) {\n      if (window$3.console && window$3.console.groupCollapsed) {\n        window$3.console.groupCollapsed(\"Text Track parsing errors for \" + track.src);\n      }\n\n      errors.forEach(function (error) {\n        return log.error(error);\n      });\n\n      if (window$3.console && window$3.console.groupEnd) {\n        window$3.console.groupEnd();\n      }\n    }\n\n    parser.flush();\n  };\n  /**\n   * Load a `TextTrack` from a specified url.\n   *\n   * @param {string} src\n   *        Url to load track from.\n   *\n   * @param {TextTrack} track\n   *        Track to add cues to. Comes from the content at the end of `url`.\n   *\n   * @private\n   */\n\n\n  var loadTrack = function loadTrack(src, track) {\n    var opts = {\n      uri: src\n    };\n    var crossOrigin = isCrossOrigin(src);\n\n    if (crossOrigin) {\n      opts.cors = crossOrigin;\n    }\n\n    xhr(opts, bind(this, function (err, response, responseBody) {\n      if (err) {\n        return log.error(err, response);\n      }\n\n      track.loaded_ = true; // Make sure that vttjs has loaded, otherwise, wait till it finished loading\n      // NOTE: this is only used for the alt/video.novtt.js build\n\n      if (typeof window$3.WebVTT !== 'function') {\n        if (track.tech_) {\n          // to prevent use before define eslint error, we define loadHandler\n          // as a let here\n          track.tech_.any(['vttjsloaded', 'vttjserror'], function (event) {\n            if (event.type === 'vttjserror') {\n              log.error(\"vttjs failed to load, stopping trying to process \" + track.src);\n              return;\n            }\n\n            return parseCues(responseBody, track);\n          });\n        }\n      } else {\n        parseCues(responseBody, track);\n      }\n    }));\n  };\n  /**\n   * A representation of a single `TextTrack`.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}\n   * @extends Track\n   */\n\n\n  var TextTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(TextTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} options={}\n     *        Object of option names and values\n     *\n     * @param {Tech} options.tech\n     *        A reference to the tech that owns this TextTrack.\n     *\n     * @param {TextTrack~Kind} [options.kind='subtitles']\n     *        A valid text track kind.\n     *\n     * @param {TextTrack~Mode} [options.mode='disabled']\n     *        A valid text track mode.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this TextTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {string} [options.srclang='']\n     *        A valid two character language code. An alternative, but deprioritized\n     *        version of `options.language`\n     *\n     * @param {string} [options.src]\n     *        A url to TextTrack cues.\n     *\n     * @param {boolean} [options.default]\n     *        If this track should default to on or off.\n     */\n    function TextTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (!options.tech) {\n        throw new Error('A tech was not provided.');\n      }\n\n      var settings = mergeOptions(options, {\n        kind: TextTrackKind[options.kind] || 'subtitles',\n        language: options.language || options.srclang || ''\n      });\n      var mode = TextTrackMode[settings.mode] || 'disabled';\n      var default_ = settings[\"default\"];\n\n      if (settings.kind === 'metadata' || settings.kind === 'chapters') {\n        mode = 'hidden';\n      }\n\n      _this = _Track.call(this, settings) || this;\n      _this.tech_ = settings.tech;\n      _this.cues_ = [];\n      _this.activeCues_ = [];\n      _this.preload_ = _this.tech_.preloadTextTracks !== false;\n      var cues = new TextTrackCueList(_this.cues_);\n      var activeCues = new TextTrackCueList(_this.activeCues_);\n      var changed = false;\n      var timeupdateHandler = bind(assertThisInitialized(_this), function () {\n        // Accessing this.activeCues for the side-effects of updating itself\n        // due to its nature as a getter function. Do not remove or cues will\n        // stop updating!\n        // Use the setter to prevent deletion from uglify (pure_getters rule)\n        this.activeCues = this.activeCues;\n\n        if (changed) {\n          this.trigger('cuechange');\n          changed = false;\n        }\n      });\n\n      if (mode !== 'disabled') {\n        _this.tech_.ready(function () {\n          _this.tech_.on('timeupdate', timeupdateHandler);\n        }, true);\n      }\n\n      Object.defineProperties(assertThisInitialized(_this), {\n        /**\n         * @memberof TextTrack\n         * @member {boolean} default\n         *         If this track was set to be on or off by default. Cannot be changed after\n         *         creation.\n         * @instance\n         *\n         * @readonly\n         */\n        \"default\": {\n          get: function get() {\n            return default_;\n          },\n          set: function set() {}\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {string} mode\n         *         Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will\n         *         not be set if setting to an invalid mode.\n         * @instance\n         *\n         * @fires TextTrack#modechange\n         */\n        mode: {\n          get: function get() {\n            return mode;\n          },\n          set: function set(newMode) {\n            var _this2 = this;\n\n            if (!TextTrackMode[newMode]) {\n              return;\n            }\n\n            mode = newMode;\n\n            if (!this.preload_ && mode !== 'disabled' && this.cues.length === 0) {\n              // On-demand load.\n              loadTrack(this.src, this);\n            }\n\n            if (mode !== 'disabled') {\n              this.tech_.ready(function () {\n                _this2.tech_.on('timeupdate', timeupdateHandler);\n              }, true);\n            } else {\n              this.tech_.off('timeupdate', timeupdateHandler);\n            }\n            /**\n             * An event that fires when mode changes on this track. This allows\n             * the TextTrackList that holds this track to act accordingly.\n             *\n             * > Note: This is not part of the spec!\n             *\n             * @event TextTrack#modechange\n             * @type {EventTarget~Event}\n             */\n\n\n            this.trigger('modechange');\n          }\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {TextTrackCueList} cues\n         *         The text track cue list for this TextTrack.\n         * @instance\n         */\n        cues: {\n          get: function get() {\n            if (!this.loaded_) {\n              return null;\n            }\n\n            return cues;\n          },\n          set: function set() {}\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {TextTrackCueList} activeCues\n         *         The list text track cues that are currently active for this TextTrack.\n         * @instance\n         */\n        activeCues: {\n          get: function get() {\n            if (!this.loaded_) {\n              return null;\n            } // nothing to do\n\n\n            if (this.cues.length === 0) {\n              return activeCues;\n            }\n\n            var ct = this.tech_.currentTime();\n            var active = [];\n\n            for (var i = 0, l = this.cues.length; i < l; i++) {\n              var cue = this.cues[i];\n\n              if (cue.startTime <= ct && cue.endTime >= ct) {\n                active.push(cue);\n              } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {\n                active.push(cue);\n              }\n            }\n\n            changed = false;\n\n            if (active.length !== this.activeCues_.length) {\n              changed = true;\n            } else {\n              for (var _i = 0; _i < active.length; _i++) {\n                if (this.activeCues_.indexOf(active[_i]) === -1) {\n                  changed = true;\n                }\n              }\n            }\n\n            this.activeCues_ = active;\n            activeCues.setCues_(this.activeCues_);\n            return activeCues;\n          },\n          // /!\\ Keep this setter empty (see the timeupdate handler above)\n          set: function set() {}\n        }\n      });\n\n      if (settings.src) {\n        _this.src = settings.src;\n\n        if (!_this.preload_) {\n          // Tracks will load on-demand.\n          // Act like we're loaded for other purposes.\n          _this.loaded_ = true;\n        }\n\n        if (_this.preload_ || default_ || settings.kind !== 'subtitles' && settings.kind !== 'captions') {\n          loadTrack(_this.src, assertThisInitialized(_this));\n        }\n      } else {\n        _this.loaded_ = true;\n      }\n\n      return _this;\n    }\n    /**\n     * Add a cue to the internal list of cues.\n     *\n     * @param {TextTrack~Cue} cue\n     *        The cue to add to our internal list\n     */\n\n\n    var _proto = TextTrack.prototype;\n\n    _proto.addCue = function addCue(originalCue) {\n      var cue = originalCue;\n\n      if (window$3.vttjs && !(originalCue instanceof window$3.vttjs.VTTCue)) {\n        cue = new window$3.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);\n\n        for (var prop in originalCue) {\n          if (!(prop in cue)) {\n            cue[prop] = originalCue[prop];\n          }\n        } // make sure that `id` is copied over\n\n\n        cue.id = originalCue.id;\n        cue.originalCue_ = originalCue;\n      }\n\n      var tracks = this.tech_.textTracks();\n\n      for (var i = 0; i < tracks.length; i++) {\n        if (tracks[i] !== this) {\n          tracks[i].removeCue(cue);\n        }\n      }\n\n      this.cues_.push(cue);\n      this.cues.setCues_(this.cues_);\n    }\n    /**\n     * Remove a cue from our internal list\n     *\n     * @param {TextTrack~Cue} removeCue\n     *        The cue to remove from our internal list\n     */\n    ;\n\n    _proto.removeCue = function removeCue(_removeCue) {\n      var i = this.cues_.length;\n\n      while (i--) {\n        var cue = this.cues_[i];\n\n        if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {\n          this.cues_.splice(i, 1);\n          this.cues.setCues_(this.cues_);\n          break;\n        }\n      }\n    };\n\n    return TextTrack;\n  }(Track);\n  /**\n   * cuechange - One or more cues in the track have become active or stopped being active.\n   */\n\n\n  TextTrack.prototype.allowedEvents_ = {\n    cuechange: 'cuechange'\n  };\n\n  /**\n   * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}\n   * only one `AudioTrack` in the list will be enabled at a time.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}\n   * @extends Track\n   */\n\n  var AudioTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(AudioTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {AudioTrack~Kind} [options.kind='']\n     *        A valid audio track kind\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {boolean} [options.enabled]\n     *        If this track is the one that is currently playing. If this track is part of\n     *        an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.\n     */\n    function AudioTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var settings = mergeOptions(options, {\n        kind: AudioTrackKind[options.kind] || ''\n      });\n      _this = _Track.call(this, settings) || this;\n      var enabled = false;\n      /**\n       * @memberof AudioTrack\n       * @member {boolean} enabled\n       *         If this `AudioTrack` is enabled or not. When setting this will\n       *         fire {@link AudioTrack#enabledchange} if the state of enabled is changed.\n       * @instance\n       *\n       * @fires VideoTrack#selectedchange\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'enabled', {\n        get: function get() {\n          return enabled;\n        },\n        set: function set(newEnabled) {\n          // an invalid or unchanged value\n          if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {\n            return;\n          }\n\n          enabled = newEnabled;\n          /**\n           * An event that fires when enabled changes on this track. This allows\n           * the AudioTrackList that holds this track to act accordingly.\n           *\n           * > Note: This is not part of the spec! Native tracks will do\n           *         this internally without an event.\n           *\n           * @event AudioTrack#enabledchange\n           * @type {EventTarget~Event}\n           */\n\n          this.trigger('enabledchange');\n        }\n      }); // if the user sets this track to selected then\n      // set selected to that true value otherwise\n      // we keep it false\n\n      if (settings.enabled) {\n        _this.enabled = settings.enabled;\n      }\n\n      _this.loaded_ = true;\n      return _this;\n    }\n\n    return AudioTrack;\n  }(Track);\n\n  /**\n   * A representation of a single `VideoTrack`.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}\n   * @extends Track\n   */\n\n  var VideoTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(VideoTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {string} [options.kind='']\n     *        A valid {@link VideoTrack~Kind}\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {boolean} [options.selected]\n     *        If this track is the one that is currently playing.\n     */\n    function VideoTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var settings = mergeOptions(options, {\n        kind: VideoTrackKind[options.kind] || ''\n      });\n      _this = _Track.call(this, settings) || this;\n      var selected = false;\n      /**\n       * @memberof VideoTrack\n       * @member {boolean} selected\n       *         If this `VideoTrack` is selected or not. When setting this will\n       *         fire {@link VideoTrack#selectedchange} if the state of selected changed.\n       * @instance\n       *\n       * @fires VideoTrack#selectedchange\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'selected', {\n        get: function get() {\n          return selected;\n        },\n        set: function set(newSelected) {\n          // an invalid or unchanged value\n          if (typeof newSelected !== 'boolean' || newSelected === selected) {\n            return;\n          }\n\n          selected = newSelected;\n          /**\n           * An event that fires when selected changes on this track. This allows\n           * the VideoTrackList that holds this track to act accordingly.\n           *\n           * > Note: This is not part of the spec! Native tracks will do\n           *         this internally without an event.\n           *\n           * @event VideoTrack#selectedchange\n           * @type {EventTarget~Event}\n           */\n\n          this.trigger('selectedchange');\n        }\n      }); // if the user sets this track to selected then\n      // set selected to that true value otherwise\n      // we keep it false\n\n      if (settings.selected) {\n        _this.selected = settings.selected;\n      }\n\n      return _this;\n    }\n\n    return VideoTrack;\n  }(Track);\n\n  /**\n   * @memberof HTMLTrackElement\n   * @typedef {HTMLTrackElement~ReadyState}\n   * @enum {number}\n   */\n\n  var NONE = 0;\n  var LOADING = 1;\n  var LOADED = 2;\n  var ERROR = 3;\n  /**\n   * A single track represented in the DOM.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}\n   * @extends EventTarget\n   */\n\n  var HTMLTrackElement = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(HTMLTrackElement, _EventTarget);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} options={}\n     *        Object of option names and values\n     *\n     * @param {Tech} options.tech\n     *        A reference to the tech that owns this HTMLTrackElement.\n     *\n     * @param {TextTrack~Kind} [options.kind='subtitles']\n     *        A valid text track kind.\n     *\n     * @param {TextTrack~Mode} [options.mode='disabled']\n     *        A valid text track mode.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this TextTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {string} [options.srclang='']\n     *        A valid two character language code. An alternative, but deprioritized\n     *        vesion of `options.language`\n     *\n     * @param {string} [options.src]\n     *        A url to TextTrack cues.\n     *\n     * @param {boolean} [options.default]\n     *        If this track should default to on or off.\n     */\n    function HTMLTrackElement(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _EventTarget.call(this) || this;\n      var readyState;\n      var track = new TextTrack(options);\n      _this.kind = track.kind;\n      _this.src = track.src;\n      _this.srclang = track.language;\n      _this.label = track.label;\n      _this[\"default\"] = track[\"default\"];\n      Object.defineProperties(assertThisInitialized(_this), {\n        /**\n         * @memberof HTMLTrackElement\n         * @member {HTMLTrackElement~ReadyState} readyState\n         *         The current ready state of the track element.\n         * @instance\n         */\n        readyState: {\n          get: function get() {\n            return readyState;\n          }\n        },\n\n        /**\n         * @memberof HTMLTrackElement\n         * @member {TextTrack} track\n         *         The underlying TextTrack object.\n         * @instance\n         *\n         */\n        track: {\n          get: function get() {\n            return track;\n          }\n        }\n      });\n      readyState = NONE;\n      /**\n       * @listens TextTrack#loadeddata\n       * @fires HTMLTrackElement#load\n       */\n\n      track.addEventListener('loadeddata', function () {\n        readyState = LOADED;\n\n        _this.trigger({\n          type: 'load',\n          target: assertThisInitialized(_this)\n        });\n      });\n      return _this;\n    }\n\n    return HTMLTrackElement;\n  }(EventTarget);\n\n  HTMLTrackElement.prototype.allowedEvents_ = {\n    load: 'load'\n  };\n  HTMLTrackElement.NONE = NONE;\n  HTMLTrackElement.LOADING = LOADING;\n  HTMLTrackElement.LOADED = LOADED;\n  HTMLTrackElement.ERROR = ERROR;\n\n  /*\n   * This file contains all track properties that are used in\n   * player.js, tech.js, html5.js and possibly other techs in the future.\n   */\n\n  var NORMAL = {\n    audio: {\n      ListClass: AudioTrackList,\n      TrackClass: AudioTrack,\n      capitalName: 'Audio'\n    },\n    video: {\n      ListClass: VideoTrackList,\n      TrackClass: VideoTrack,\n      capitalName: 'Video'\n    },\n    text: {\n      ListClass: TextTrackList,\n      TrackClass: TextTrack,\n      capitalName: 'Text'\n    }\n  };\n  Object.keys(NORMAL).forEach(function (type) {\n    NORMAL[type].getterName = type + \"Tracks\";\n    NORMAL[type].privateName = type + \"Tracks_\";\n  });\n  var REMOTE = {\n    remoteText: {\n      ListClass: TextTrackList,\n      TrackClass: TextTrack,\n      capitalName: 'RemoteText',\n      getterName: 'remoteTextTracks',\n      privateName: 'remoteTextTracks_'\n    },\n    remoteTextEl: {\n      ListClass: HtmlTrackElementList,\n      TrackClass: HTMLTrackElement,\n      capitalName: 'RemoteTextTrackEls',\n      getterName: 'remoteTextTrackEls',\n      privateName: 'remoteTextTrackEls_'\n    }\n  };\n\n  var ALL = _extends_1({}, NORMAL, REMOTE);\n\n  REMOTE.names = Object.keys(REMOTE);\n  NORMAL.names = Object.keys(NORMAL);\n  ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n\n  /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */\n\n  /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */\n\n  var _objCreate = Object.create || function () {\n    function F() {}\n\n    return function (o) {\n      if (arguments.length !== 1) {\n        throw new Error('Object.create shim only accepts one parameter.');\n      }\n\n      F.prototype = o;\n      return new F();\n    };\n  }(); // Creates a new ParserError object from an errorData object. The errorData\n  // object should have default code and message properties. The default message\n  // property can be overriden by passing in a message parameter.\n  // See ParsingError.Errors below for acceptable errors.\n\n\n  function ParsingError(errorData, message) {\n    this.name = \"ParsingError\";\n    this.code = errorData.code;\n    this.message = message || errorData.message;\n  }\n\n  ParsingError.prototype = _objCreate(Error.prototype);\n  ParsingError.prototype.constructor = ParsingError; // ParsingError metadata for acceptable ParsingErrors.\n\n  ParsingError.Errors = {\n    BadSignature: {\n      code: 0,\n      message: \"Malformed WebVTT signature.\"\n    },\n    BadTimeStamp: {\n      code: 1,\n      message: \"Malformed time stamp.\"\n    }\n  }; // Try to parse input as a time stamp.\n\n  function parseTimeStamp(input) {\n    function computeSeconds(h, m, s, f) {\n      return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;\n    }\n\n    var m = input.match(/^(\\d+):(\\d{1,2})(:\\d{1,2})?\\.(\\d{3})/);\n\n    if (!m) {\n      return null;\n    }\n\n    if (m[3]) {\n      // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]\n      return computeSeconds(m[1], m[2], m[3].replace(\":\", \"\"), m[4]);\n    } else if (m[1] > 59) {\n      // Timestamp takes the form of [hours]:[minutes].[milliseconds]\n      // First position is hours as it's over 59.\n      return computeSeconds(m[1], m[2], 0, m[4]);\n    } else {\n      // Timestamp takes the form of [minutes]:[seconds].[milliseconds]\n      return computeSeconds(0, m[1], m[2], m[4]);\n    }\n  } // A settings object holds key/value pairs and will ignore anything but the first\n  // assignment to a specific key.\n\n\n  function Settings() {\n    this.values = _objCreate(null);\n  }\n\n  Settings.prototype = {\n    // Only accept the first assignment to any key.\n    set: function set(k, v) {\n      if (!this.get(k) && v !== \"\") {\n        this.values[k] = v;\n      }\n    },\n    // Return the value for a key, or a default value.\n    // If 'defaultKey' is passed then 'dflt' is assumed to be an object with\n    // a number of possible default values as properties where 'defaultKey' is\n    // the key of the property that will be chosen; otherwise it's assumed to be\n    // a single value.\n    get: function get(k, dflt, defaultKey) {\n      if (defaultKey) {\n        return this.has(k) ? this.values[k] : dflt[defaultKey];\n      }\n\n      return this.has(k) ? this.values[k] : dflt;\n    },\n    // Check whether we have a value for a key.\n    has: function has(k) {\n      return k in this.values;\n    },\n    // Accept a setting if its one of the given alternatives.\n    alt: function alt(k, v, a) {\n      for (var n = 0; n < a.length; ++n) {\n        if (v === a[n]) {\n          this.set(k, v);\n          break;\n        }\n      }\n    },\n    // Accept a setting if its a valid (signed) integer.\n    integer: function integer(k, v) {\n      if (/^-?\\d+$/.test(v)) {\n        // integer\n        this.set(k, parseInt(v, 10));\n      }\n    },\n    // Accept a setting if its a valid percentage.\n    percent: function percent(k, v) {\n      var m;\n\n      if (m = v.match(/^([\\d]{1,3})(\\.[\\d]*)?%$/)) {\n        v = parseFloat(v);\n\n        if (v >= 0 && v <= 100) {\n          this.set(k, v);\n          return true;\n        }\n      }\n\n      return false;\n    }\n  }; // Helper function to parse input into groups separated by 'groupDelim', and\n  // interprete each group as a key/value pair separated by 'keyValueDelim'.\n\n  function parseOptions(input, callback, keyValueDelim, groupDelim) {\n    var groups = groupDelim ? input.split(groupDelim) : [input];\n\n    for (var i in groups) {\n      if (typeof groups[i] !== \"string\") {\n        continue;\n      }\n\n      var kv = groups[i].split(keyValueDelim);\n\n      if (kv.length !== 2) {\n        continue;\n      }\n\n      var k = kv[0];\n      var v = kv[1];\n      callback(k, v);\n    }\n  }\n\n  function parseCue(input, cue, regionList) {\n    // Remember the original input if we need to throw an error.\n    var oInput = input; // 4.1 WebVTT timestamp\n\n    function consumeTimeStamp() {\n      var ts = parseTimeStamp(input);\n\n      if (ts === null) {\n        throw new ParsingError(ParsingError.Errors.BadTimeStamp, \"Malformed timestamp: \" + oInput);\n      } // Remove time stamp from input.\n\n\n      input = input.replace(/^[^\\sa-zA-Z-]+/, \"\");\n      return ts;\n    } // 4.4.2 WebVTT cue settings\n\n\n    function consumeCueSettings(input, cue) {\n      var settings = new Settings();\n      parseOptions(input, function (k, v) {\n        switch (k) {\n          case \"region\":\n            // Find the last region we parsed with the same region id.\n            for (var i = regionList.length - 1; i >= 0; i--) {\n              if (regionList[i].id === v) {\n                settings.set(k, regionList[i].region);\n                break;\n              }\n            }\n\n            break;\n\n          case \"vertical\":\n            settings.alt(k, v, [\"rl\", \"lr\"]);\n            break;\n\n          case \"line\":\n            var vals = v.split(\",\"),\n                vals0 = vals[0];\n            settings.integer(k, vals0);\n            settings.percent(k, vals0) ? settings.set(\"snapToLines\", false) : null;\n            settings.alt(k, vals0, [\"auto\"]);\n\n            if (vals.length === 2) {\n              settings.alt(\"lineAlign\", vals[1], [\"start\", \"center\", \"end\"]);\n            }\n\n            break;\n\n          case \"position\":\n            vals = v.split(\",\");\n            settings.percent(k, vals[0]);\n\n            if (vals.length === 2) {\n              settings.alt(\"positionAlign\", vals[1], [\"start\", \"center\", \"end\"]);\n            }\n\n            break;\n\n          case \"size\":\n            settings.percent(k, v);\n            break;\n\n          case \"align\":\n            settings.alt(k, v, [\"start\", \"center\", \"end\", \"left\", \"right\"]);\n            break;\n        }\n      }, /:/, /\\s/); // Apply default values for any missing fields.\n\n      cue.region = settings.get(\"region\", null);\n      cue.vertical = settings.get(\"vertical\", \"\");\n\n      try {\n        cue.line = settings.get(\"line\", \"auto\");\n      } catch (e) {}\n\n      cue.lineAlign = settings.get(\"lineAlign\", \"start\");\n      cue.snapToLines = settings.get(\"snapToLines\", true);\n      cue.size = settings.get(\"size\", 100); // Safari still uses the old middle value and won't accept center\n\n      try {\n        cue.align = settings.get(\"align\", \"center\");\n      } catch (e) {\n        cue.align = settings.get(\"align\", \"middle\");\n      }\n\n      try {\n        cue.position = settings.get(\"position\", \"auto\");\n      } catch (e) {\n        cue.position = settings.get(\"position\", {\n          start: 0,\n          left: 0,\n          center: 50,\n          middle: 50,\n          end: 100,\n          right: 100\n        }, cue.align);\n      }\n\n      cue.positionAlign = settings.get(\"positionAlign\", {\n        start: \"start\",\n        left: \"start\",\n        center: \"center\",\n        middle: \"center\",\n        end: \"end\",\n        right: \"end\"\n      }, cue.align);\n    }\n\n    function skipWhitespace() {\n      input = input.replace(/^\\s+/, \"\");\n    } // 4.1 WebVTT cue timings.\n\n\n    skipWhitespace();\n    cue.startTime = consumeTimeStamp(); // (1) collect cue start time\n\n    skipWhitespace();\n\n    if (input.substr(0, 3) !== \"-->\") {\n      // (3) next characters must match \"-->\"\n      throw new ParsingError(ParsingError.Errors.BadTimeStamp, \"Malformed time stamp (time stamps must be separated by '-->'): \" + oInput);\n    }\n\n    input = input.substr(3);\n    skipWhitespace();\n    cue.endTime = consumeTimeStamp(); // (5) collect cue end time\n    // 4.1 WebVTT cue settings list.\n\n    skipWhitespace();\n    consumeCueSettings(input, cue);\n  }\n\n  var TEXTAREA_ELEMENT = document.createElement(\"textarea\");\n  var TAG_NAME = {\n    c: \"span\",\n    i: \"i\",\n    b: \"b\",\n    u: \"u\",\n    ruby: \"ruby\",\n    rt: \"rt\",\n    v: \"span\",\n    lang: \"span\"\n  }; // 5.1 default text color\n  // 5.2 default text background color is equivalent to text color with bg_ prefix\n\n  var DEFAULT_COLOR_CLASS = {\n    white: 'rgba(255,255,255,1)',\n    lime: 'rgba(0,255,0,1)',\n    cyan: 'rgba(0,255,255,1)',\n    red: 'rgba(255,0,0,1)',\n    yellow: 'rgba(255,255,0,1)',\n    magenta: 'rgba(255,0,255,1)',\n    blue: 'rgba(0,0,255,1)',\n    black: 'rgba(0,0,0,1)'\n  };\n  var TAG_ANNOTATION = {\n    v: \"title\",\n    lang: \"lang\"\n  };\n  var NEEDS_PARENT = {\n    rt: \"ruby\"\n  }; // Parse content into a document fragment.\n\n  function parseContent(window, input) {\n    function nextToken() {\n      // Check for end-of-string.\n      if (!input) {\n        return null;\n      } // Consume 'n' characters from the input.\n\n\n      function consume(result) {\n        input = input.substr(result.length);\n        return result;\n      }\n\n      var m = input.match(/^([^<]*)(<[^>]*>?)?/); // If there is some text before the next tag, return it, otherwise return\n      // the tag.\n\n      return consume(m[1] ? m[1] : m[2]);\n    }\n\n    function unescape(s) {\n      TEXTAREA_ELEMENT.innerHTML = s;\n      s = TEXTAREA_ELEMENT.textContent;\n      TEXTAREA_ELEMENT.textContent = \"\";\n      return s;\n    }\n\n    function shouldAdd(current, element) {\n      return !NEEDS_PARENT[element.localName] || NEEDS_PARENT[element.localName] === current.localName;\n    } // Create an element for this tag.\n\n\n    function createElement(type, annotation) {\n      var tagName = TAG_NAME[type];\n\n      if (!tagName) {\n        return null;\n      }\n\n      var element = window.document.createElement(tagName);\n      var name = TAG_ANNOTATION[type];\n\n      if (name && annotation) {\n        element[name] = annotation.trim();\n      }\n\n      return element;\n    }\n\n    var rootDiv = window.document.createElement(\"div\"),\n        current = rootDiv,\n        t,\n        tagStack = [];\n\n    while ((t = nextToken()) !== null) {\n      if (t[0] === '<') {\n        if (t[1] === \"/\") {\n          // If the closing tag matches, move back up to the parent node.\n          if (tagStack.length && tagStack[tagStack.length - 1] === t.substr(2).replace(\">\", \"\")) {\n            tagStack.pop();\n            current = current.parentNode;\n          } // Otherwise just ignore the end tag.\n\n\n          continue;\n        }\n\n        var ts = parseTimeStamp(t.substr(1, t.length - 2));\n        var node;\n\n        if (ts) {\n          // Timestamps are lead nodes as well.\n          node = window.document.createProcessingInstruction(\"timestamp\", ts);\n          current.appendChild(node);\n          continue;\n        }\n\n        var m = t.match(/^<([^.\\s/0-9>]+)(\\.[^\\s\\\\>]+)?([^>\\\\]+)?(\\\\?)>?$/); // If we can't parse the tag, skip to the next tag.\n\n        if (!m) {\n          continue;\n        } // Try to construct an element, and ignore the tag if we couldn't.\n\n\n        node = createElement(m[1], m[3]);\n\n        if (!node) {\n          continue;\n        } // Determine if the tag should be added based on the context of where it\n        // is placed in the cuetext.\n\n\n        if (!shouldAdd(current, node)) {\n          continue;\n        } // Set the class list (as a list of classes, separated by space).\n\n\n        if (m[2]) {\n          var classes = m[2].split('.');\n          classes.forEach(function (cl) {\n            var bgColor = /^bg_/.test(cl); // slice out `bg_` if it's a background color\n\n            var colorName = bgColor ? cl.slice(3) : cl;\n\n            if (DEFAULT_COLOR_CLASS.hasOwnProperty(colorName)) {\n              var propName = bgColor ? 'background-color' : 'color';\n              var propValue = DEFAULT_COLOR_CLASS[colorName];\n              node.style[propName] = propValue;\n            }\n          });\n          node.className = classes.join(' ');\n        } // Append the node to the current node, and enter the scope of the new\n        // node.\n\n\n        tagStack.push(m[1]);\n        current.appendChild(node);\n        current = node;\n        continue;\n      } // Text nodes are leaf nodes.\n\n\n      current.appendChild(window.document.createTextNode(unescape(t)));\n    }\n\n    return rootDiv;\n  } // This is a list of all the Unicode characters that have a strong\n  // right-to-left category. What this means is that these characters are\n  // written right-to-left for sure. It was generated by pulling all the strong\n  // right-to-left characters out of the Unicode data table. That table can\n  // found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt\n\n\n  var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6], [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d], [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6], [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5], [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815], [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858], [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f], [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c], [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1], [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc], [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808], [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855], [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f], [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13], [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58], [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72], [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f], [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32], [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42], [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f], [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59], [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62], [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77], [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b], [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];\n\n  function isStrongRTLChar(charCode) {\n    for (var i = 0; i < strongRTLRanges.length; i++) {\n      var currentRange = strongRTLRanges[i];\n\n      if (charCode >= currentRange[0] && charCode <= currentRange[1]) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  function determineBidi(cueDiv) {\n    var nodeStack = [],\n        text = \"\",\n        charCode;\n\n    if (!cueDiv || !cueDiv.childNodes) {\n      return \"ltr\";\n    }\n\n    function pushNodes(nodeStack, node) {\n      for (var i = node.childNodes.length - 1; i >= 0; i--) {\n        nodeStack.push(node.childNodes[i]);\n      }\n    }\n\n    function nextTextNode(nodeStack) {\n      if (!nodeStack || !nodeStack.length) {\n        return null;\n      }\n\n      var node = nodeStack.pop(),\n          text = node.textContent || node.innerText;\n\n      if (text) {\n        // TODO: This should match all unicode type B characters (paragraph\n        // separator characters). See issue #115.\n        var m = text.match(/^.*(\\n|\\r)/);\n\n        if (m) {\n          nodeStack.length = 0;\n          return m[0];\n        }\n\n        return text;\n      }\n\n      if (node.tagName === \"ruby\") {\n        return nextTextNode(nodeStack);\n      }\n\n      if (node.childNodes) {\n        pushNodes(nodeStack, node);\n        return nextTextNode(nodeStack);\n      }\n    }\n\n    pushNodes(nodeStack, cueDiv);\n\n    while (text = nextTextNode(nodeStack)) {\n      for (var i = 0; i < text.length; i++) {\n        charCode = text.charCodeAt(i);\n\n        if (isStrongRTLChar(charCode)) {\n          return \"rtl\";\n        }\n      }\n    }\n\n    return \"ltr\";\n  }\n\n  function computeLinePos(cue) {\n    if (typeof cue.line === \"number\" && (cue.snapToLines || cue.line >= 0 && cue.line <= 100)) {\n      return cue.line;\n    }\n\n    if (!cue.track || !cue.track.textTrackList || !cue.track.textTrackList.mediaElement) {\n      return -1;\n    }\n\n    var track = cue.track,\n        trackList = track.textTrackList,\n        count = 0;\n\n    for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {\n      if (trackList[i].mode === \"showing\") {\n        count++;\n      }\n    }\n\n    return ++count * -1;\n  }\n\n  function StyleBox() {} // Apply styles to a div. If there is no div passed then it defaults to the\n  // div on 'this'.\n\n\n  StyleBox.prototype.applyStyles = function (styles, div) {\n    div = div || this.div;\n\n    for (var prop in styles) {\n      if (styles.hasOwnProperty(prop)) {\n        div.style[prop] = styles[prop];\n      }\n    }\n  };\n\n  StyleBox.prototype.formatStyle = function (val, unit) {\n    return val === 0 ? 0 : val + unit;\n  }; // Constructs the computed display state of the cue (a div). Places the div\n  // into the overlay which should be a block level element (usually a div).\n\n\n  function CueStyleBox(window, cue, styleOptions) {\n    StyleBox.call(this);\n    this.cue = cue; // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will\n    // have inline positioning and will function as the cue background box.\n\n    this.cueDiv = parseContent(window, cue.text);\n    var styles = {\n      color: \"rgba(255, 255, 255, 1)\",\n      backgroundColor: \"rgba(0, 0, 0, 0.8)\",\n      position: \"relative\",\n      left: 0,\n      right: 0,\n      top: 0,\n      bottom: 0,\n      display: \"inline\",\n      writingMode: cue.vertical === \"\" ? \"horizontal-tb\" : cue.vertical === \"lr\" ? \"vertical-lr\" : \"vertical-rl\",\n      unicodeBidi: \"plaintext\"\n    };\n    this.applyStyles(styles, this.cueDiv); // Create an absolutely positioned div that will be used to position the cue\n    // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS\n    // mirrors of them except middle instead of center on Safari.\n\n    this.div = window.document.createElement(\"div\");\n    styles = {\n      direction: determineBidi(this.cueDiv),\n      writingMode: cue.vertical === \"\" ? \"horizontal-tb\" : cue.vertical === \"lr\" ? \"vertical-lr\" : \"vertical-rl\",\n      unicodeBidi: \"plaintext\",\n      textAlign: cue.align === \"middle\" ? \"center\" : cue.align,\n      font: styleOptions.font,\n      whiteSpace: \"pre-line\",\n      position: \"absolute\"\n    };\n    this.applyStyles(styles);\n    this.div.appendChild(this.cueDiv); // Calculate the distance from the reference edge of the viewport to the text\n    // position of the cue box. The reference edge will be resolved later when\n    // the box orientation styles are applied.\n\n    var textPos = 0;\n\n    switch (cue.positionAlign) {\n      case \"start\":\n        textPos = cue.position;\n        break;\n\n      case \"center\":\n        textPos = cue.position - cue.size / 2;\n        break;\n\n      case \"end\":\n        textPos = cue.position - cue.size;\n        break;\n    } // Horizontal box orientation; textPos is the distance from the left edge of the\n    // area to the left edge of the box and cue.size is the distance extending to\n    // the right from there.\n\n\n    if (cue.vertical === \"\") {\n      this.applyStyles({\n        left: this.formatStyle(textPos, \"%\"),\n        width: this.formatStyle(cue.size, \"%\")\n      }); // Vertical box orientation; textPos is the distance from the top edge of the\n      // area to the top edge of the box and cue.size is the height extending\n      // downwards from there.\n    } else {\n      this.applyStyles({\n        top: this.formatStyle(textPos, \"%\"),\n        height: this.formatStyle(cue.size, \"%\")\n      });\n    }\n\n    this.move = function (box) {\n      this.applyStyles({\n        top: this.formatStyle(box.top, \"px\"),\n        bottom: this.formatStyle(box.bottom, \"px\"),\n        left: this.formatStyle(box.left, \"px\"),\n        right: this.formatStyle(box.right, \"px\"),\n        height: this.formatStyle(box.height, \"px\"),\n        width: this.formatStyle(box.width, \"px\")\n      });\n    };\n  }\n\n  CueStyleBox.prototype = _objCreate(StyleBox.prototype);\n  CueStyleBox.prototype.constructor = CueStyleBox; // Represents the co-ordinates of an Element in a way that we can easily\n  // compute things with such as if it overlaps or intersects with another Element.\n  // Can initialize it with either a StyleBox or another BoxPosition.\n\n  function BoxPosition(obj) {\n    // Either a BoxPosition was passed in and we need to copy it, or a StyleBox\n    // was passed in and we need to copy the results of 'getBoundingClientRect'\n    // as the object returned is readonly. All co-ordinate values are in reference\n    // to the viewport origin (top left).\n    var lh, height, width, top;\n\n    if (obj.div) {\n      height = obj.div.offsetHeight;\n      width = obj.div.offsetWidth;\n      top = obj.div.offsetTop;\n      var rects = (rects = obj.div.childNodes) && (rects = rects[0]) && rects.getClientRects && rects.getClientRects();\n      obj = obj.div.getBoundingClientRect(); // In certain cases the outter div will be slightly larger then the sum of\n      // the inner div's lines. This could be due to bold text, etc, on some platforms.\n      // In this case we should get the average line height and use that. This will\n      // result in the desired behaviour.\n\n      lh = rects ? Math.max(rects[0] && rects[0].height || 0, obj.height / rects.length) : 0;\n    }\n\n    this.left = obj.left;\n    this.right = obj.right;\n    this.top = obj.top || top;\n    this.height = obj.height || height;\n    this.bottom = obj.bottom || top + (obj.height || height);\n    this.width = obj.width || width;\n    this.lineHeight = lh !== undefined ? lh : obj.lineHeight;\n  } // Move the box along a particular axis. Optionally pass in an amount to move\n  // the box. If no amount is passed then the default is the line height of the\n  // box.\n\n\n  BoxPosition.prototype.move = function (axis, toMove) {\n    toMove = toMove !== undefined ? toMove : this.lineHeight;\n\n    switch (axis) {\n      case \"+x\":\n        this.left += toMove;\n        this.right += toMove;\n        break;\n\n      case \"-x\":\n        this.left -= toMove;\n        this.right -= toMove;\n        break;\n\n      case \"+y\":\n        this.top += toMove;\n        this.bottom += toMove;\n        break;\n\n      case \"-y\":\n        this.top -= toMove;\n        this.bottom -= toMove;\n        break;\n    }\n  }; // Check if this box overlaps another box, b2.\n\n\n  BoxPosition.prototype.overlaps = function (b2) {\n    return this.left < b2.right && this.right > b2.left && this.top < b2.bottom && this.bottom > b2.top;\n  }; // Check if this box overlaps any other boxes in boxes.\n\n\n  BoxPosition.prototype.overlapsAny = function (boxes) {\n    for (var i = 0; i < boxes.length; i++) {\n      if (this.overlaps(boxes[i])) {\n        return true;\n      }\n    }\n\n    return false;\n  }; // Check if this box is within another box.\n\n\n  BoxPosition.prototype.within = function (container) {\n    return this.top >= container.top && this.bottom <= container.bottom && this.left >= container.left && this.right <= container.right;\n  }; // Check if this box is entirely within the container or it is overlapping\n  // on the edge opposite of the axis direction passed. For example, if \"+x\" is\n  // passed and the box is overlapping on the left edge of the container, then\n  // return true.\n\n\n  BoxPosition.prototype.overlapsOppositeAxis = function (container, axis) {\n    switch (axis) {\n      case \"+x\":\n        return this.left < container.left;\n\n      case \"-x\":\n        return this.right > container.right;\n\n      case \"+y\":\n        return this.top < container.top;\n\n      case \"-y\":\n        return this.bottom > container.bottom;\n    }\n  }; // Find the percentage of the area that this box is overlapping with another\n  // box.\n\n\n  BoxPosition.prototype.intersectPercentage = function (b2) {\n    var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),\n        y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),\n        intersectArea = x * y;\n    return intersectArea / (this.height * this.width);\n  }; // Convert the positions from this box to CSS compatible positions using\n  // the reference container's positions. This has to be done because this\n  // box's positions are in reference to the viewport origin, whereas, CSS\n  // values are in referecne to their respective edges.\n\n\n  BoxPosition.prototype.toCSSCompatValues = function (reference) {\n    return {\n      top: this.top - reference.top,\n      bottom: reference.bottom - this.bottom,\n      left: this.left - reference.left,\n      right: reference.right - this.right,\n      height: this.height,\n      width: this.width\n    };\n  }; // Get an object that represents the box's position without anything extra.\n  // Can pass a StyleBox, HTMLElement, or another BoxPositon.\n\n\n  BoxPosition.getSimpleBoxPosition = function (obj) {\n    var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;\n    var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;\n    var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;\n    obj = obj.div ? obj.div.getBoundingClientRect() : obj.tagName ? obj.getBoundingClientRect() : obj;\n    var ret = {\n      left: obj.left,\n      right: obj.right,\n      top: obj.top || top,\n      height: obj.height || height,\n      bottom: obj.bottom || top + (obj.height || height),\n      width: obj.width || width\n    };\n    return ret;\n  }; // Move a StyleBox to its specified, or next best, position. The containerBox\n  // is the box that contains the StyleBox, such as a div. boxPositions are\n  // a list of other boxes that the styleBox can't overlap with.\n\n\n  function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {\n    // Find the best position for a cue box, b, on the video. The axis parameter\n    // is a list of axis, the order of which, it will move the box along. For example:\n    // Passing [\"+x\", \"-x\"] will move the box first along the x axis in the positive\n    // direction. If it doesn't find a good position for it there it will then move\n    // it along the x axis in the negative direction.\n    function findBestPosition(b, axis) {\n      var bestPosition,\n          specifiedPosition = new BoxPosition(b),\n          percentage = 1; // Highest possible so the first thing we get is better.\n\n      for (var i = 0; i < axis.length; i++) {\n        while (b.overlapsOppositeAxis(containerBox, axis[i]) || b.within(containerBox) && b.overlapsAny(boxPositions)) {\n          b.move(axis[i]);\n        } // We found a spot where we aren't overlapping anything. This is our\n        // best position.\n\n\n        if (b.within(containerBox)) {\n          return b;\n        }\n\n        var p = b.intersectPercentage(containerBox); // If we're outside the container box less then we were on our last try\n        // then remember this position as the best position.\n\n        if (percentage > p) {\n          bestPosition = new BoxPosition(b);\n          percentage = p;\n        } // Reset the box position to the specified position.\n\n\n        b = new BoxPosition(specifiedPosition);\n      }\n\n      return bestPosition || specifiedPosition;\n    }\n\n    var boxPosition = new BoxPosition(styleBox),\n        cue = styleBox.cue,\n        linePos = computeLinePos(cue),\n        axis = []; // If we have a line number to align the cue to.\n\n    if (cue.snapToLines) {\n      var size;\n\n      switch (cue.vertical) {\n        case \"\":\n          axis = [\"+y\", \"-y\"];\n          size = \"height\";\n          break;\n\n        case \"rl\":\n          axis = [\"+x\", \"-x\"];\n          size = \"width\";\n          break;\n\n        case \"lr\":\n          axis = [\"-x\", \"+x\"];\n          size = \"width\";\n          break;\n      }\n\n      var step = boxPosition.lineHeight,\n          position = step * Math.round(linePos),\n          maxPosition = containerBox[size] + step,\n          initialAxis = axis[0]; // If the specified intial position is greater then the max position then\n      // clamp the box to the amount of steps it would take for the box to\n      // reach the max position.\n\n      if (Math.abs(position) > maxPosition) {\n        position = position < 0 ? -1 : 1;\n        position *= Math.ceil(maxPosition / step) * step;\n      } // If computed line position returns negative then line numbers are\n      // relative to the bottom of the video instead of the top. Therefore, we\n      // need to increase our initial position by the length or width of the\n      // video, depending on the writing direction, and reverse our axis directions.\n\n\n      if (linePos < 0) {\n        position += cue.vertical === \"\" ? containerBox.height : containerBox.width;\n        axis = axis.reverse();\n      } // Move the box to the specified position. This may not be its best\n      // position.\n\n\n      boxPosition.move(initialAxis, position);\n    } else {\n      // If we have a percentage line value for the cue.\n      var calculatedPercentage = boxPosition.lineHeight / containerBox.height * 100;\n\n      switch (cue.lineAlign) {\n        case \"center\":\n          linePos -= calculatedPercentage / 2;\n          break;\n\n        case \"end\":\n          linePos -= calculatedPercentage;\n          break;\n      } // Apply initial line position to the cue box.\n\n\n      switch (cue.vertical) {\n        case \"\":\n          styleBox.applyStyles({\n            top: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n\n        case \"rl\":\n          styleBox.applyStyles({\n            left: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n\n        case \"lr\":\n          styleBox.applyStyles({\n            right: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n      }\n\n      axis = [\"+y\", \"-x\", \"+x\", \"-y\"]; // Get the box position again after we've applied the specified positioning\n      // to it.\n\n      boxPosition = new BoxPosition(styleBox);\n    }\n\n    var bestPosition = findBestPosition(boxPosition, axis);\n    styleBox.move(bestPosition.toCSSCompatValues(containerBox));\n  }\n\n  function WebVTT$1() {} // Nothing\n  // Helper to allow strings to be decoded instead of the default binary utf8 data.\n\n\n  WebVTT$1.StringDecoder = function () {\n    return {\n      decode: function decode(data) {\n        if (!data) {\n          return \"\";\n        }\n\n        if (typeof data !== \"string\") {\n          throw new Error(\"Error - expected string data.\");\n        }\n\n        return decodeURIComponent(encodeURIComponent(data));\n      }\n    };\n  };\n\n  WebVTT$1.convertCueToDOMTree = function (window, cuetext) {\n    if (!window || !cuetext) {\n      return null;\n    }\n\n    return parseContent(window, cuetext);\n  };\n\n  var FONT_SIZE_PERCENT = 0.05;\n  var FONT_STYLE = \"sans-serif\";\n  var CUE_BACKGROUND_PADDING = \"1.5%\"; // Runs the processing model over the cues and regions passed to it.\n  // @param overlay A block level element (usually a div) that the computed cues\n  //                and regions will be placed into.\n\n  WebVTT$1.processCues = function (window, cues, overlay) {\n    if (!window || !cues || !overlay) {\n      return null;\n    } // Remove all previous children.\n\n\n    while (overlay.firstChild) {\n      overlay.removeChild(overlay.firstChild);\n    }\n\n    var paddedOverlay = window.document.createElement(\"div\");\n    paddedOverlay.style.position = \"absolute\";\n    paddedOverlay.style.left = \"0\";\n    paddedOverlay.style.right = \"0\";\n    paddedOverlay.style.top = \"0\";\n    paddedOverlay.style.bottom = \"0\";\n    paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;\n    overlay.appendChild(paddedOverlay); // Determine if we need to compute the display states of the cues. This could\n    // be the case if a cue's state has been changed since the last computation or\n    // if it has not been computed yet.\n\n    function shouldCompute(cues) {\n      for (var i = 0; i < cues.length; i++) {\n        if (cues[i].hasBeenReset || !cues[i].displayState) {\n          return true;\n        }\n      }\n\n      return false;\n    } // We don't need to recompute the cues' display states. Just reuse them.\n\n\n    if (!shouldCompute(cues)) {\n      for (var i = 0; i < cues.length; i++) {\n        paddedOverlay.appendChild(cues[i].displayState);\n      }\n\n      return;\n    }\n\n    var boxPositions = [],\n        containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),\n        fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;\n    var styleOptions = {\n      font: fontSize + \"px \" + FONT_STYLE\n    };\n\n    (function () {\n      var styleBox, cue;\n\n      for (var i = 0; i < cues.length; i++) {\n        cue = cues[i]; // Compute the intial position and styles of the cue div.\n\n        styleBox = new CueStyleBox(window, cue, styleOptions);\n        paddedOverlay.appendChild(styleBox.div); // Move the cue div to it's correct line position.\n\n        moveBoxToLinePosition(window, styleBox, containerBox, boxPositions); // Remember the computed div so that we don't have to recompute it later\n        // if we don't have too.\n\n        cue.displayState = styleBox.div;\n        boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));\n      }\n    })();\n  };\n\n  WebVTT$1.Parser = function (window, vttjs, decoder) {\n    if (!decoder) {\n      decoder = vttjs;\n      vttjs = {};\n    }\n\n    if (!vttjs) {\n      vttjs = {};\n    }\n\n    this.window = window;\n    this.vttjs = vttjs;\n    this.state = \"INITIAL\";\n    this.buffer = \"\";\n    this.decoder = decoder || new TextDecoder(\"utf8\");\n    this.regionList = [];\n  };\n\n  WebVTT$1.Parser.prototype = {\n    // If the error is a ParsingError then report it to the consumer if\n    // possible. If it's not a ParsingError then throw it like normal.\n    reportOrThrowError: function reportOrThrowError(e) {\n      if (e instanceof ParsingError) {\n        this.onparsingerror && this.onparsingerror(e);\n      } else {\n        throw e;\n      }\n    },\n    parse: function parse(data) {\n      var self = this; // If there is no data then we won't decode it, but will just try to parse\n      // whatever is in buffer already. This may occur in circumstances, for\n      // example when flush() is called.\n\n      if (data) {\n        // Try to decode the data that we received.\n        self.buffer += self.decoder.decode(data, {\n          stream: true\n        });\n      }\n\n      function collectNextLine() {\n        var buffer = self.buffer;\n        var pos = 0;\n\n        while (pos < buffer.length && buffer[pos] !== '\\r' && buffer[pos] !== '\\n') {\n          ++pos;\n        }\n\n        var line = buffer.substr(0, pos); // Advance the buffer early in case we fail below.\n\n        if (buffer[pos] === '\\r') {\n          ++pos;\n        }\n\n        if (buffer[pos] === '\\n') {\n          ++pos;\n        }\n\n        self.buffer = buffer.substr(pos);\n        return line;\n      } // 3.4 WebVTT region and WebVTT region settings syntax\n\n\n      function parseRegion(input) {\n        var settings = new Settings();\n        parseOptions(input, function (k, v) {\n          switch (k) {\n            case \"id\":\n              settings.set(k, v);\n              break;\n\n            case \"width\":\n              settings.percent(k, v);\n              break;\n\n            case \"lines\":\n              settings.integer(k, v);\n              break;\n\n            case \"regionanchor\":\n            case \"viewportanchor\":\n              var xy = v.split(',');\n\n              if (xy.length !== 2) {\n                break;\n              } // We have to make sure both x and y parse, so use a temporary\n              // settings object here.\n\n\n              var anchor = new Settings();\n              anchor.percent(\"x\", xy[0]);\n              anchor.percent(\"y\", xy[1]);\n\n              if (!anchor.has(\"x\") || !anchor.has(\"y\")) {\n                break;\n              }\n\n              settings.set(k + \"X\", anchor.get(\"x\"));\n              settings.set(k + \"Y\", anchor.get(\"y\"));\n              break;\n\n            case \"scroll\":\n              settings.alt(k, v, [\"up\"]);\n              break;\n          }\n        }, /=/, /\\s/); // Create the region, using default values for any values that were not\n        // specified.\n\n        if (settings.has(\"id\")) {\n          var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();\n          region.width = settings.get(\"width\", 100);\n          region.lines = settings.get(\"lines\", 3);\n          region.regionAnchorX = settings.get(\"regionanchorX\", 0);\n          region.regionAnchorY = settings.get(\"regionanchorY\", 100);\n          region.viewportAnchorX = settings.get(\"viewportanchorX\", 0);\n          region.viewportAnchorY = settings.get(\"viewportanchorY\", 100);\n          region.scroll = settings.get(\"scroll\", \"\"); // Register the region.\n\n          self.onregion && self.onregion(region); // Remember the VTTRegion for later in case we parse any VTTCues that\n          // reference it.\n\n          self.regionList.push({\n            id: settings.get(\"id\"),\n            region: region\n          });\n        }\n      } // draft-pantos-http-live-streaming-20\n      // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5\n      // 3.5 WebVTT\n\n\n      function parseTimestampMap(input) {\n        var settings = new Settings();\n        parseOptions(input, function (k, v) {\n          switch (k) {\n            case \"MPEGT\":\n              settings.integer(k + 'S', v);\n              break;\n\n            case \"LOCA\":\n              settings.set(k + 'L', parseTimeStamp(v));\n              break;\n          }\n        }, /[^\\d]:/, /,/);\n        self.ontimestampmap && self.ontimestampmap({\n          \"MPEGTS\": settings.get(\"MPEGTS\"),\n          \"LOCAL\": settings.get(\"LOCAL\")\n        });\n      } // 3.2 WebVTT metadata header syntax\n\n\n      function parseHeader(input) {\n        if (input.match(/X-TIMESTAMP-MAP/)) {\n          // This line contains HLS X-TIMESTAMP-MAP metadata\n          parseOptions(input, function (k, v) {\n            switch (k) {\n              case \"X-TIMESTAMP-MAP\":\n                parseTimestampMap(v);\n                break;\n            }\n          }, /=/);\n        } else {\n          parseOptions(input, function (k, v) {\n            switch (k) {\n              case \"Region\":\n                // 3.3 WebVTT region metadata header syntax\n                parseRegion(v);\n                break;\n            }\n          }, /:/);\n        }\n      } // 5.1 WebVTT file parsing.\n\n\n      try {\n        var line;\n\n        if (self.state === \"INITIAL\") {\n          // We can't start parsing until we have the first line.\n          if (!/\\r\\n|\\n/.test(self.buffer)) {\n            return this;\n          }\n\n          line = collectNextLine();\n          var m = line.match(/^WEBVTT([ \\t].*)?$/);\n\n          if (!m || !m[0]) {\n            throw new ParsingError(ParsingError.Errors.BadSignature);\n          }\n\n          self.state = \"HEADER\";\n        }\n\n        var alreadyCollectedLine = false;\n\n        while (self.buffer) {\n          // We can't parse a line until we have the full line.\n          if (!/\\r\\n|\\n/.test(self.buffer)) {\n            return this;\n          }\n\n          if (!alreadyCollectedLine) {\n            line = collectNextLine();\n          } else {\n            alreadyCollectedLine = false;\n          }\n\n          switch (self.state) {\n            case \"HEADER\":\n              // 13-18 - Allow a header (metadata) under the WEBVTT line.\n              if (/:/.test(line)) {\n                parseHeader(line);\n              } else if (!line) {\n                // An empty line terminates the header and starts the body (cues).\n                self.state = \"ID\";\n              }\n\n              continue;\n\n            case \"NOTE\":\n              // Ignore NOTE blocks.\n              if (!line) {\n                self.state = \"ID\";\n              }\n\n              continue;\n\n            case \"ID\":\n              // Check for the start of NOTE blocks.\n              if (/^NOTE($|[ \\t])/.test(line)) {\n                self.state = \"NOTE\";\n                break;\n              } // 19-29 - Allow any number of line terminators, then initialize new cue values.\n\n\n              if (!line) {\n                continue;\n              }\n\n              self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, \"\"); // Safari still uses the old middle value and won't accept center\n\n              try {\n                self.cue.align = \"center\";\n              } catch (e) {\n                self.cue.align = \"middle\";\n              }\n\n              self.state = \"CUE\"; // 30-39 - Check if self line contains an optional identifier or timing data.\n\n              if (line.indexOf(\"-->\") === -1) {\n                self.cue.id = line;\n                continue;\n              }\n\n            // Process line as start of a cue.\n\n            /*falls through*/\n\n            case \"CUE\":\n              // 40 - Collect cue timings and settings.\n              try {\n                parseCue(line, self.cue, self.regionList);\n              } catch (e) {\n                self.reportOrThrowError(e); // In case of an error ignore rest of the cue.\n\n                self.cue = null;\n                self.state = \"BADCUE\";\n                continue;\n              }\n\n              self.state = \"CUETEXT\";\n              continue;\n\n            case \"CUETEXT\":\n              var hasSubstring = line.indexOf(\"-->\") !== -1; // 34 - If we have an empty line then report the cue.\n              // 35 - If we have the special substring '-->' then report the cue,\n              // but do not collect the line as we need to process the current\n              // one as a new cue.\n\n              if (!line || hasSubstring && (alreadyCollectedLine = true)) {\n                // We are done parsing self cue.\n                self.oncue && self.oncue(self.cue);\n                self.cue = null;\n                self.state = \"ID\";\n                continue;\n              }\n\n              if (self.cue.text) {\n                self.cue.text += \"\\n\";\n              }\n\n              self.cue.text += line.replace(/\\u2028/g, '\\n').replace(/u2029/g, '\\n');\n              continue;\n\n            case \"BADCUE\":\n              // BADCUE\n              // 54-62 - Collect and discard the remaining cue.\n              if (!line) {\n                self.state = \"ID\";\n              }\n\n              continue;\n          }\n        }\n      } catch (e) {\n        self.reportOrThrowError(e); // If we are currently parsing a cue, report what we have.\n\n        if (self.state === \"CUETEXT\" && self.cue && self.oncue) {\n          self.oncue(self.cue);\n        }\n\n        self.cue = null; // Enter BADWEBVTT state if header was not parsed correctly otherwise\n        // another exception occurred so enter BADCUE state.\n\n        self.state = self.state === \"INITIAL\" ? \"BADWEBVTT\" : \"BADCUE\";\n      }\n\n      return this;\n    },\n    flush: function flush() {\n      var self = this;\n\n      try {\n        // Finish decoding the stream.\n        self.buffer += self.decoder.decode(); // Synthesize the end of the current cue or region.\n\n        if (self.cue || self.state === \"HEADER\") {\n          self.buffer += \"\\n\\n\";\n          self.parse();\n        } // If we've flushed, parsed, and we're still on the INITIAL state then\n        // that means we don't have enough of the stream to parse the first\n        // line.\n\n\n        if (self.state === \"INITIAL\") {\n          throw new ParsingError(ParsingError.Errors.BadSignature);\n        }\n      } catch (e) {\n        self.reportOrThrowError(e);\n      }\n\n      self.onflush && self.onflush();\n      return this;\n    }\n  };\n  var vtt = WebVTT$1;\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n  var autoKeyword = \"auto\";\n  var directionSetting = {\n    \"\": 1,\n    \"lr\": 1,\n    \"rl\": 1\n  };\n  var alignSetting = {\n    \"start\": 1,\n    \"center\": 1,\n    \"end\": 1,\n    \"left\": 1,\n    \"right\": 1,\n    \"auto\": 1,\n    \"line-left\": 1,\n    \"line-right\": 1\n  };\n\n  function findDirectionSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var dir = directionSetting[value.toLowerCase()];\n    return dir ? value.toLowerCase() : false;\n  }\n\n  function findAlignSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var align = alignSetting[value.toLowerCase()];\n    return align ? value.toLowerCase() : false;\n  }\n\n  function VTTCue(startTime, endTime, text) {\n    /**\n     * Shim implementation specific properties. These properties are not in\n     * the spec.\n     */\n    // Lets us know when the VTTCue's data has changed in such a way that we need\n    // to recompute its display state. This lets us compute its display state\n    // lazily.\n    this.hasBeenReset = false;\n    /**\n     * VTTCue and TextTrackCue properties\n     * http://dev.w3.org/html5/webvtt/#vttcue-interface\n     */\n\n    var _id = \"\";\n    var _pauseOnExit = false;\n    var _startTime = startTime;\n    var _endTime = endTime;\n    var _text = text;\n    var _region = null;\n    var _vertical = \"\";\n    var _snapToLines = true;\n    var _line = \"auto\";\n    var _lineAlign = \"start\";\n    var _position = \"auto\";\n    var _positionAlign = \"auto\";\n    var _size = 100;\n    var _align = \"center\";\n    Object.defineProperties(this, {\n      \"id\": {\n        enumerable: true,\n        get: function get() {\n          return _id;\n        },\n        set: function set(value) {\n          _id = \"\" + value;\n        }\n      },\n      \"pauseOnExit\": {\n        enumerable: true,\n        get: function get() {\n          return _pauseOnExit;\n        },\n        set: function set(value) {\n          _pauseOnExit = !!value;\n        }\n      },\n      \"startTime\": {\n        enumerable: true,\n        get: function get() {\n          return _startTime;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"Start time must be set to a number.\");\n          }\n\n          _startTime = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"endTime\": {\n        enumerable: true,\n        get: function get() {\n          return _endTime;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"End time must be set to a number.\");\n          }\n\n          _endTime = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"text\": {\n        enumerable: true,\n        get: function get() {\n          return _text;\n        },\n        set: function set(value) {\n          _text = \"\" + value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"region\": {\n        enumerable: true,\n        get: function get() {\n          return _region;\n        },\n        set: function set(value) {\n          _region = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"vertical\": {\n        enumerable: true,\n        get: function get() {\n          return _vertical;\n        },\n        set: function set(value) {\n          var setting = findDirectionSetting(value); // Have to check for false because the setting an be an empty string.\n\n          if (setting === false) {\n            throw new SyntaxError(\"Vertical: an invalid or illegal direction string was specified.\");\n          }\n\n          _vertical = setting;\n          this.hasBeenReset = true;\n        }\n      },\n      \"snapToLines\": {\n        enumerable: true,\n        get: function get() {\n          return _snapToLines;\n        },\n        set: function set(value) {\n          _snapToLines = !!value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"line\": {\n        enumerable: true,\n        get: function get() {\n          return _line;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\" && value !== autoKeyword) {\n            throw new SyntaxError(\"Line: an invalid number or illegal string was specified.\");\n          }\n\n          _line = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"lineAlign\": {\n        enumerable: true,\n        get: function get() {\n          return _lineAlign;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            console.warn(\"lineAlign: an invalid or illegal string was specified.\");\n          } else {\n            _lineAlign = setting;\n            this.hasBeenReset = true;\n          }\n        }\n      },\n      \"position\": {\n        enumerable: true,\n        get: function get() {\n          return _position;\n        },\n        set: function set(value) {\n          if (value < 0 || value > 100) {\n            throw new Error(\"Position must be between 0 and 100.\");\n          }\n\n          _position = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"positionAlign\": {\n        enumerable: true,\n        get: function get() {\n          return _positionAlign;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            console.warn(\"positionAlign: an invalid or illegal string was specified.\");\n          } else {\n            _positionAlign = setting;\n            this.hasBeenReset = true;\n          }\n        }\n      },\n      \"size\": {\n        enumerable: true,\n        get: function get() {\n          return _size;\n        },\n        set: function set(value) {\n          if (value < 0 || value > 100) {\n            throw new Error(\"Size must be between 0 and 100.\");\n          }\n\n          _size = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"align\": {\n        enumerable: true,\n        get: function get() {\n          return _align;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            throw new SyntaxError(\"align: an invalid or illegal alignment string was specified.\");\n          }\n\n          _align = setting;\n          this.hasBeenReset = true;\n        }\n      }\n    });\n    /**\n     * Other <track> spec defined properties\n     */\n    // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state\n\n    this.displayState = undefined;\n  }\n  /**\n   * VTTCue methods\n   */\n\n\n  VTTCue.prototype.getCueAsHTML = function () {\n    // Assume WebVTT.convertCueToDOMTree is on the global.\n    return WebVTT.convertCueToDOMTree(window, this.text);\n  };\n\n  var vttcue = VTTCue;\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n  var scrollSetting = {\n    \"\": true,\n    \"up\": true\n  };\n\n  function findScrollSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var scroll = scrollSetting[value.toLowerCase()];\n    return scroll ? value.toLowerCase() : false;\n  }\n\n  function isValidPercentValue(value) {\n    return typeof value === \"number\" && value >= 0 && value <= 100;\n  } // VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface\n\n\n  function VTTRegion() {\n    var _width = 100;\n    var _lines = 3;\n    var _regionAnchorX = 0;\n    var _regionAnchorY = 100;\n    var _viewportAnchorX = 0;\n    var _viewportAnchorY = 100;\n    var _scroll = \"\";\n    Object.defineProperties(this, {\n      \"width\": {\n        enumerable: true,\n        get: function get() {\n          return _width;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"Width must be between 0 and 100.\");\n          }\n\n          _width = value;\n        }\n      },\n      \"lines\": {\n        enumerable: true,\n        get: function get() {\n          return _lines;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"Lines must be set to a number.\");\n          }\n\n          _lines = value;\n        }\n      },\n      \"regionAnchorY\": {\n        enumerable: true,\n        get: function get() {\n          return _regionAnchorY;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"RegionAnchorX must be between 0 and 100.\");\n          }\n\n          _regionAnchorY = value;\n        }\n      },\n      \"regionAnchorX\": {\n        enumerable: true,\n        get: function get() {\n          return _regionAnchorX;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"RegionAnchorY must be between 0 and 100.\");\n          }\n\n          _regionAnchorX = value;\n        }\n      },\n      \"viewportAnchorY\": {\n        enumerable: true,\n        get: function get() {\n          return _viewportAnchorY;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"ViewportAnchorY must be between 0 and 100.\");\n          }\n\n          _viewportAnchorY = value;\n        }\n      },\n      \"viewportAnchorX\": {\n        enumerable: true,\n        get: function get() {\n          return _viewportAnchorX;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"ViewportAnchorX must be between 0 and 100.\");\n          }\n\n          _viewportAnchorX = value;\n        }\n      },\n      \"scroll\": {\n        enumerable: true,\n        get: function get() {\n          return _scroll;\n        },\n        set: function set(value) {\n          var setting = findScrollSetting(value); // Have to check for false as an empty string is a legal value.\n\n          if (setting === false) {\n            console.warn(\"Scroll: an invalid or illegal string was specified.\");\n          } else {\n            _scroll = setting;\n          }\n        }\n      }\n    });\n  }\n\n  var vttregion = VTTRegion;\n\n  var browserIndex = createCommonjsModule(function (module) {\n    /**\n     * Copyright 2013 vtt.js Contributors\n     *\n     * Licensed under the Apache License, Version 2.0 (the \"License\");\n     * you may not use this file except in compliance with the License.\n     * You may obtain a copy of the License at\n     *\n     *   http://www.apache.org/licenses/LICENSE-2.0\n     *\n     * Unless required by applicable law or agreed to in writing, software\n     * distributed under the License is distributed on an \"AS IS\" BASIS,\n     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n     * See the License for the specific language governing permissions and\n     * limitations under the License.\n     */\n    // Default exports for Node. Export the extended versions of VTTCue and\n    // VTTRegion in Node since we likely want the capability to convert back and\n    // forth between JSON. If we don't then it's not that big of a deal since we're\n    // off browser.\n    var vttjs = module.exports = {\n      WebVTT: vtt,\n      VTTCue: vttcue,\n      VTTRegion: vttregion\n    };\n    window$3.vttjs = vttjs;\n    window$3.WebVTT = vttjs.WebVTT;\n    var cueShim = vttjs.VTTCue;\n    var regionShim = vttjs.VTTRegion;\n    var nativeVTTCue = window$3.VTTCue;\n    var nativeVTTRegion = window$3.VTTRegion;\n\n    vttjs.shim = function () {\n      window$3.VTTCue = cueShim;\n      window$3.VTTRegion = regionShim;\n    };\n\n    vttjs.restore = function () {\n      window$3.VTTCue = nativeVTTCue;\n      window$3.VTTRegion = nativeVTTRegion;\n    };\n\n    if (!window$3.VTTCue) {\n      vttjs.shim();\n    }\n  });\n  var browserIndex_1 = browserIndex.WebVTT;\n  var browserIndex_2 = browserIndex.VTTCue;\n  var browserIndex_3 = browserIndex.VTTRegion;\n\n  /**\n   * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string\n   * that just contains the src url alone.\n   * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`\n     * `var SourceString = 'http://example.com/some-video.mp4';`\n   *\n   * @typedef {Object|string} Tech~SourceObject\n   *\n   * @property {string} src\n   *           The url to the source\n   *\n   * @property {string} type\n   *           The mime type of the source\n   */\n\n  /**\n   * A function used by {@link Tech} to create a new {@link TextTrack}.\n   *\n   * @private\n   *\n   * @param {Tech} self\n   *        An instance of the Tech class.\n   *\n   * @param {string} kind\n   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n   *\n   * @param {string} [label]\n   *        Label to identify the text track\n   *\n   * @param {string} [language]\n   *        Two letter language abbreviation\n   *\n   * @param {Object} [options={}]\n   *        An object with additional text track options\n   *\n   * @return {TextTrack}\n   *          The text track that was created.\n   */\n\n  function createTrackHelper(self, kind, label, language, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var tracks = self.textTracks();\n    options.kind = kind;\n\n    if (label) {\n      options.label = label;\n    }\n\n    if (language) {\n      options.language = language;\n    }\n\n    options.tech = self;\n    var track = new ALL.text.TrackClass(options);\n    tracks.addTrack(track);\n    return track;\n  }\n  /**\n   * This is the base class for media playback technology controllers, such as\n   * {@link Flash} and {@link HTML5}\n   *\n   * @extends Component\n   */\n\n\n  var Tech = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Tech, _Component);\n\n    /**\n    * Create an instance of this Tech.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    *\n    * @param {Component~ReadyCallback} ready\n    *        Callback function to call when the `HTML5` Tech is ready.\n    */\n    function Tech(options, ready) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (ready === void 0) {\n        ready = function ready() {};\n      }\n\n      // we don't want the tech to report user activity automatically.\n      // This is done manually in addControlsListeners\n      options.reportTouchActivity = false;\n      _this = _Component.call(this, null, options, ready) || this; // keep track of whether the current source has played at all to\n      // implement a very limited played()\n\n      _this.hasStarted_ = false;\n\n      _this.on('playing', function () {\n        this.hasStarted_ = true;\n      });\n\n      _this.on('loadstart', function () {\n        this.hasStarted_ = false;\n      });\n\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n\n        if (options && options[props.getterName]) {\n          _this[props.privateName] = options[props.getterName];\n        }\n      }); // Manually track progress in cases where the browser/flash player doesn't report it.\n\n      if (!_this.featuresProgressEvents) {\n        _this.manualProgressOn();\n      } // Manually track timeupdates in cases where the browser/flash player doesn't report it.\n\n\n      if (!_this.featuresTimeupdateEvents) {\n        _this.manualTimeUpdatesOn();\n      }\n\n      ['Text', 'Audio', 'Video'].forEach(function (track) {\n        if (options[\"native\" + track + \"Tracks\"] === false) {\n          _this[\"featuresNative\" + track + \"Tracks\"] = false;\n        }\n      });\n\n      if (options.nativeCaptions === false || options.nativeTextTracks === false) {\n        _this.featuresNativeTextTracks = false;\n      } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {\n        _this.featuresNativeTextTracks = true;\n      }\n\n      if (!_this.featuresNativeTextTracks) {\n        _this.emulateTextTracks();\n      }\n\n      _this.preloadTextTracks = options.preloadTextTracks !== false;\n      _this.autoRemoteTextTracks_ = new ALL.text.ListClass();\n\n      _this.initTrackListeners(); // Turn on component tap events only if not using native controls\n\n\n      if (!options.nativeControlsForTouch) {\n        _this.emitTapEvents();\n      }\n\n      if (_this.constructor) {\n        _this.name_ = _this.constructor.name || 'Unknown Tech';\n      }\n\n      return _this;\n    }\n    /**\n     * A special function to trigger source set in a way that will allow player\n     * to re-trigger if the player or tech are not ready yet.\n     *\n     * @fires Tech#sourceset\n     * @param {string} src The source string at the time of the source changing.\n     */\n\n\n    var _proto = Tech.prototype;\n\n    _proto.triggerSourceset = function triggerSourceset(src) {\n      var _this2 = this;\n\n      if (!this.isReady_) {\n        // on initial ready we have to trigger source set\n        // 1ms after ready so that player can watch for it.\n        this.one('ready', function () {\n          return _this2.setTimeout(function () {\n            return _this2.triggerSourceset(src);\n          }, 1);\n        });\n      }\n      /**\n       * Fired when the source is set on the tech causing the media element\n       * to reload.\n       *\n       * @see {@link Player#event:sourceset}\n       * @event Tech#sourceset\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger({\n        src: src,\n        type: 'sourceset'\n      });\n    }\n    /* Fallbacks for unsupported event types\n    ================================================================================ */\n\n    /**\n     * Polyfill the `progress` event for browsers that don't support it natively.\n     *\n     * @see {@link Tech#trackProgress}\n     */\n    ;\n\n    _proto.manualProgressOn = function manualProgressOn() {\n      this.on('durationchange', this.onDurationChange);\n      this.manualProgress = true; // Trigger progress watching when a source begins loading\n\n      this.one('ready', this.trackProgress);\n    }\n    /**\n     * Turn off the polyfill for `progress` events that was created in\n     * {@link Tech#manualProgressOn}\n     */\n    ;\n\n    _proto.manualProgressOff = function manualProgressOff() {\n      this.manualProgress = false;\n      this.stopTrackingProgress();\n      this.off('durationchange', this.onDurationChange);\n    }\n    /**\n     * This is used to trigger a `progress` event when the buffered percent changes. It\n     * sets an interval function that will be called every 500 milliseconds to check if the\n     * buffer end percent has changed.\n     *\n     * > This function is called by {@link Tech#manualProgressOn}\n     *\n     * @param {EventTarget~Event} event\n     *        The `ready` event that caused this to run.\n     *\n     * @listens Tech#ready\n     * @fires Tech#progress\n     */\n    ;\n\n    _proto.trackProgress = function trackProgress(event) {\n      this.stopTrackingProgress();\n      this.progressInterval = this.setInterval(bind(this, function () {\n        // Don't trigger unless buffered amount is greater than last time\n        var numBufferedPercent = this.bufferedPercent();\n\n        if (this.bufferedPercent_ !== numBufferedPercent) {\n          /**\n           * See {@link Player#progress}\n           *\n           * @event Tech#progress\n           * @type {EventTarget~Event}\n           */\n          this.trigger('progress');\n        }\n\n        this.bufferedPercent_ = numBufferedPercent;\n\n        if (numBufferedPercent === 1) {\n          this.stopTrackingProgress();\n        }\n      }), 500);\n    }\n    /**\n     * Update our internal duration on a `durationchange` event by calling\n     * {@link Tech#duration}.\n     *\n     * @param {EventTarget~Event} event\n     *        The `durationchange` event that caused this to run.\n     *\n     * @listens Tech#durationchange\n     */\n    ;\n\n    _proto.onDurationChange = function onDurationChange(event) {\n      this.duration_ = this.duration();\n    }\n    /**\n     * Get and create a `TimeRange` object for buffering.\n     *\n     * @return {TimeRange}\n     *         The time range object that was created.\n     */\n    ;\n\n    _proto.buffered = function buffered() {\n      return createTimeRanges(0, 0);\n    }\n    /**\n     * Get the percentage of the current video that is currently buffered.\n     *\n     * @return {number}\n     *         A number from 0 to 1 that represents the decimal percentage of the\n     *         video that is buffered.\n     *\n     */\n    ;\n\n    _proto.bufferedPercent = function bufferedPercent$1() {\n      return bufferedPercent(this.buffered(), this.duration_);\n    }\n    /**\n     * Turn off the polyfill for `progress` events that was created in\n     * {@link Tech#manualProgressOn}\n     * Stop manually tracking progress events by clearing the interval that was set in\n     * {@link Tech#trackProgress}.\n     */\n    ;\n\n    _proto.stopTrackingProgress = function stopTrackingProgress() {\n      this.clearInterval(this.progressInterval);\n    }\n    /**\n     * Polyfill the `timeupdate` event for browsers that don't support it.\n     *\n     * @see {@link Tech#trackCurrentTime}\n     */\n    ;\n\n    _proto.manualTimeUpdatesOn = function manualTimeUpdatesOn() {\n      this.manualTimeUpdates = true;\n      this.on('play', this.trackCurrentTime);\n      this.on('pause', this.stopTrackingCurrentTime);\n    }\n    /**\n     * Turn off the polyfill for `timeupdate` events that was created in\n     * {@link Tech#manualTimeUpdatesOn}\n     */\n    ;\n\n    _proto.manualTimeUpdatesOff = function manualTimeUpdatesOff() {\n      this.manualTimeUpdates = false;\n      this.stopTrackingCurrentTime();\n      this.off('play', this.trackCurrentTime);\n      this.off('pause', this.stopTrackingCurrentTime);\n    }\n    /**\n     * Sets up an interval function to track current time and trigger `timeupdate` every\n     * 250 milliseconds.\n     *\n     * @listens Tech#play\n     * @triggers Tech#timeupdate\n     */\n    ;\n\n    _proto.trackCurrentTime = function trackCurrentTime() {\n      if (this.currentTimeInterval) {\n        this.stopTrackingCurrentTime();\n      }\n\n      this.currentTimeInterval = this.setInterval(function () {\n        /**\n         * Triggered at an interval of 250ms to indicated that time is passing in the video.\n         *\n         * @event Tech#timeupdate\n         * @type {EventTarget~Event}\n         */\n        this.trigger({\n          type: 'timeupdate',\n          target: this,\n          manuallyTriggered: true\n        }); // 42 = 24 fps // 250 is what Webkit uses // FF uses 15\n      }, 250);\n    }\n    /**\n     * Stop the interval function created in {@link Tech#trackCurrentTime} so that the\n     * `timeupdate` event is no longer triggered.\n     *\n     * @listens {Tech#pause}\n     */\n    ;\n\n    _proto.stopTrackingCurrentTime = function stopTrackingCurrentTime() {\n      this.clearInterval(this.currentTimeInterval); // #1002 - if the video ends right before the next timeupdate would happen,\n      // the progress bar won't make it all the way to the end\n\n      this.trigger({\n        type: 'timeupdate',\n        target: this,\n        manuallyTriggered: true\n      });\n    }\n    /**\n     * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},\n     * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.\n     *\n     * @fires Component#dispose\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      // clear out all tracks because we can't reuse them between techs\n      this.clearTracks(NORMAL.names); // Turn off any manual progress or timeupdate tracking\n\n      if (this.manualProgress) {\n        this.manualProgressOff();\n      }\n\n      if (this.manualTimeUpdates) {\n        this.manualTimeUpdatesOff();\n      }\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Clear out a single `TrackList` or an array of `TrackLists` given their names.\n     *\n     * > Note: Techs without source handlers should call this between sources for `video`\n     *         & `audio` tracks. You don't want to use them between tracks!\n     *\n     * @param {string[]|string} types\n     *        TrackList names to clear, valid names are `video`, `audio`, and\n     *        `text`.\n     */\n    ;\n\n    _proto.clearTracks = function clearTracks(types) {\n      var _this3 = this;\n\n      types = [].concat(types); // clear out all tracks because we can't reuse them between techs\n\n      types.forEach(function (type) {\n        var list = _this3[type + \"Tracks\"]() || [];\n        var i = list.length;\n\n        while (i--) {\n          var track = list[i];\n\n          if (type === 'text') {\n            _this3.removeRemoteTextTrack(track);\n          }\n\n          list.removeTrack(track);\n        }\n      });\n    }\n    /**\n     * Remove any TextTracks added via addRemoteTextTrack that are\n     * flagged for automatic garbage collection\n     */\n    ;\n\n    _proto.cleanupAutoTextTracks = function cleanupAutoTextTracks() {\n      var list = this.autoRemoteTextTracks_ || [];\n      var i = list.length;\n\n      while (i--) {\n        var track = list[i];\n        this.removeRemoteTextTrack(track);\n      }\n    }\n    /**\n     * Reset the tech, which will removes all sources and reset the internal readyState.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.reset = function reset() {}\n    /**\n     * Get or set an error on the Tech.\n     *\n     * @param {MediaError} [err]\n     *        Error to set on the Tech\n     *\n     * @return {MediaError|null}\n     *         The current error object on the tech, or null if there isn't one.\n     */\n    ;\n\n    _proto.error = function error(err) {\n      if (err !== undefined) {\n        this.error_ = new MediaError(err);\n        this.trigger('error');\n      }\n\n      return this.error_;\n    }\n    /**\n     * Returns the `TimeRange`s that have been played through for the current source.\n     *\n     * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.\n     *         It only checks whether the source has played at all or not.\n     *\n     * @return {TimeRange}\n     *         - A single time range if this video has played\n     *         - An empty set of ranges if not.\n     */\n    ;\n\n    _proto.played = function played() {\n      if (this.hasStarted_) {\n        return createTimeRanges(0, 0);\n      }\n\n      return createTimeRanges();\n    }\n    /**\n     * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was\n     * previously called.\n     *\n     * @fires Tech#timeupdate\n     */\n    ;\n\n    _proto.setCurrentTime = function setCurrentTime() {\n      // improve the accuracy of manual timeupdates\n      if (this.manualTimeUpdates) {\n        /**\n         * A manual `timeupdate` event.\n         *\n         * @event Tech#timeupdate\n         * @type {EventTarget~Event}\n         */\n        this.trigger({\n          type: 'timeupdate',\n          target: this,\n          manuallyTriggered: true\n        });\n      }\n    }\n    /**\n     * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and\n     * {@link TextTrackList} events.\n     *\n     * This adds {@link EventTarget~EventListeners} for `addtrack`, and  `removetrack`.\n     *\n     * @fires Tech#audiotrackchange\n     * @fires Tech#videotrackchange\n     * @fires Tech#texttrackchange\n     */\n    ;\n\n    _proto.initTrackListeners = function initTrackListeners() {\n      var _this4 = this;\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}\n        *\n        * @event Tech#audiotrackchange\n        * @type {EventTarget~Event}\n        */\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}\n        *\n        * @event Tech#videotrackchange\n        * @type {EventTarget~Event}\n        */\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link TextTrackList}\n        *\n        * @event Tech#texttrackchange\n        * @type {EventTarget~Event}\n        */\n      NORMAL.names.forEach(function (name) {\n        var props = NORMAL[name];\n\n        var trackListChanges = function trackListChanges() {\n          _this4.trigger(name + \"trackchange\");\n        };\n\n        var tracks = _this4[props.getterName]();\n\n        tracks.addEventListener('removetrack', trackListChanges);\n        tracks.addEventListener('addtrack', trackListChanges);\n\n        _this4.on('dispose', function () {\n          tracks.removeEventListener('removetrack', trackListChanges);\n          tracks.removeEventListener('addtrack', trackListChanges);\n        });\n      });\n    }\n    /**\n     * Emulate TextTracks using vtt.js if necessary\n     *\n     * @fires Tech#vttjsloaded\n     * @fires Tech#vttjserror\n     */\n    ;\n\n    _proto.addWebVttScript_ = function addWebVttScript_() {\n      var _this5 = this;\n\n      if (window$3.WebVTT) {\n        return;\n      } // Initially, Tech.el_ is a child of a dummy-div wait until the Component system\n      // signals that the Tech is ready at which point Tech.el_ is part of the DOM\n      // before inserting the WebVTT script\n\n\n      if (document.body.contains(this.el())) {\n        // load via require if available and vtt.js script location was not passed in\n        // as an option. novtt builds will turn the above require call into an empty object\n        // which will cause this if check to always fail.\n        if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {\n          this.trigger('vttjsloaded');\n          return;\n        } // load vtt.js via the script location option or the cdn of no location was\n        // passed in\n\n\n        var script = document.createElement('script');\n        script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js';\n\n        script.onload = function () {\n          /**\n           * Fired when vtt.js is loaded.\n           *\n           * @event Tech#vttjsloaded\n           * @type {EventTarget~Event}\n           */\n          _this5.trigger('vttjsloaded');\n        };\n\n        script.onerror = function () {\n          /**\n           * Fired when vtt.js was not loaded due to an error\n           *\n           * @event Tech#vttjsloaded\n           * @type {EventTarget~Event}\n           */\n          _this5.trigger('vttjserror');\n        };\n\n        this.on('dispose', function () {\n          script.onload = null;\n          script.onerror = null;\n        }); // but have not loaded yet and we set it to true before the inject so that\n        // we don't overwrite the injected window.WebVTT if it loads right away\n\n        window$3.WebVTT = true;\n        this.el().parentNode.appendChild(script);\n      } else {\n        this.ready(this.addWebVttScript_);\n      }\n    }\n    /**\n     * Emulate texttracks\n     *\n     */\n    ;\n\n    _proto.emulateTextTracks = function emulateTextTracks() {\n      var _this6 = this;\n\n      var tracks = this.textTracks();\n      var remoteTracks = this.remoteTextTracks();\n\n      var handleAddTrack = function handleAddTrack(e) {\n        return tracks.addTrack(e.track);\n      };\n\n      var handleRemoveTrack = function handleRemoveTrack(e) {\n        return tracks.removeTrack(e.track);\n      };\n\n      remoteTracks.on('addtrack', handleAddTrack);\n      remoteTracks.on('removetrack', handleRemoveTrack);\n      this.addWebVttScript_();\n\n      var updateDisplay = function updateDisplay() {\n        return _this6.trigger('texttrackchange');\n      };\n\n      var textTracksChanges = function textTracksChanges() {\n        updateDisplay();\n\n        for (var i = 0; i < tracks.length; i++) {\n          var track = tracks[i];\n          track.removeEventListener('cuechange', updateDisplay);\n\n          if (track.mode === 'showing') {\n            track.addEventListener('cuechange', updateDisplay);\n          }\n        }\n      };\n\n      textTracksChanges();\n      tracks.addEventListener('change', textTracksChanges);\n      tracks.addEventListener('addtrack', textTracksChanges);\n      tracks.addEventListener('removetrack', textTracksChanges);\n      this.on('dispose', function () {\n        remoteTracks.off('addtrack', handleAddTrack);\n        remoteTracks.off('removetrack', handleRemoveTrack);\n        tracks.removeEventListener('change', textTracksChanges);\n        tracks.removeEventListener('addtrack', textTracksChanges);\n        tracks.removeEventListener('removetrack', textTracksChanges);\n\n        for (var i = 0; i < tracks.length; i++) {\n          var track = tracks[i];\n          track.removeEventListener('cuechange', updateDisplay);\n        }\n      });\n    }\n    /**\n     * Create and returns a remote {@link TextTrack} object.\n     *\n     * @param {string} kind\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n     *\n     * @param {string} [label]\n     *        Label to identify the text track\n     *\n     * @param {string} [language]\n     *        Two letter language abbreviation\n     *\n     * @return {TextTrack}\n     *         The TextTrack that gets created.\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (!kind) {\n        throw new Error('TextTrack kind is required but was not provided');\n      }\n\n      return createTrackHelper(this, kind, label, language);\n    }\n    /**\n     * Create an emulated TextTrack for use by addRemoteTextTrack\n     *\n     * This is intended to be overridden by classes that inherit from\n     * Tech in order to create native or custom TextTracks.\n     *\n     * @param {Object} options\n     *        The object should contain the options to initialize the TextTrack with.\n     *\n     * @param {string} [options.kind]\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).\n     *\n     * @param {string} [options.label].\n     *        Label to identify the text track\n     *\n     * @param {string} [options.language]\n     *        Two letter language abbreviation.\n     *\n     * @return {HTMLTrackElement}\n     *         The track element that gets created.\n     */\n    ;\n\n    _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {\n      var track = mergeOptions(options, {\n        tech: this\n      });\n      return new REMOTE.remoteTextEl.TrackClass(track);\n    }\n    /**\n     * Creates a remote text track object and returns an html track element.\n     *\n     * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.\n     *\n     * @param {Object} options\n     *        See {@link Tech#createRemoteTextTrack} for more detailed properties.\n     *\n     * @param {boolean} [manualCleanup=true]\n     *        - When false: the TextTrack will be automatically removed from the video\n     *          element whenever the source changes\n     *        - When True: The TextTrack will have to be cleaned up manually\n     *\n     * @return {HTMLTrackElement}\n     *         An Html Track Element.\n     *\n     * @deprecated The default functionality for this function will be equivalent\n     *             to \"manualCleanup=false\" in the future. The manualCleanup parameter will\n     *             also be removed.\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      var _this7 = this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var htmlTrackElement = this.createRemoteTextTrack(options);\n\n      if (manualCleanup !== true && manualCleanup !== false) {\n        // deprecation warning\n        log.warn('Calling addRemoteTextTrack without explicitly setting the \"manualCleanup\" parameter to `true` is deprecated and default to `false` in future version of video.js');\n        manualCleanup = true;\n      } // store HTMLTrackElement and TextTrack to remote list\n\n\n      this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);\n      this.remoteTextTracks().addTrack(htmlTrackElement.track);\n\n      if (manualCleanup !== true) {\n        // create the TextTrackList if it doesn't exist\n        this.ready(function () {\n          return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);\n        });\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Remove a remote text track from the remote `TextTrackList`.\n     *\n     * @param {TextTrack} track\n     *        `TextTrack` to remove from the `TextTrackList`\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {\n      var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track); // remove HTMLTrackElement and TextTrack from remote list\n\n      this.remoteTextTrackEls().removeTrackElement_(trackElement);\n      this.remoteTextTracks().removeTrack(track);\n      this.autoRemoteTextTracks_.removeTrack(track);\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object}\n     *         An object with supported media playback quality metrics\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      return {};\n    }\n    /**\n     * Attempt to create a floating video window always on top of other windows\n     * so that users may continue consuming media while they interact with other\n     * content sites, or applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @return {Promise|undefined}\n     *         A promise with a Picture-in-Picture window if the browser supports\n     *         Promises (or one was passed in as an option). It returns undefined\n     *         otherwise.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (PromiseClass) {\n        return PromiseClass.reject();\n      }\n    }\n    /**\n     * A method to set a poster from a `Tech`.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.setPoster = function setPoster() {}\n    /**\n     * A method to check for the presence of the 'playsinline' <video> attribute.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.playsinline = function playsinline() {}\n    /**\n     * A method to set or unset the 'playsinline' <video> attribute.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.setPlaysinline = function setPlaysinline() {}\n    /**\n     * Attempt to force override of native audio tracks.\n     *\n     * @param {boolean} override - If set to true native audio will be overridden,\n     * otherwise native audio will potentially be used.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks() {}\n    /**\n     * Attempt to force override of native video tracks.\n     *\n     * @param {boolean} override - If set to true native video will be overridden,\n     * otherwise native video will potentially be used.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks() {}\n    /*\n     * Check if the tech can support the given mime-type.\n     *\n     * The base tech does not support any type, but source handlers might\n     * overwrite this.\n     *\n     * @param  {string} type\n     *         The mimetype to check for support\n     *\n     * @return {string}\n     *         'probably', 'maybe', or empty string\n     *\n     * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.canPlayType = function canPlayType() {\n      return '';\n    }\n    /**\n     * Check if the type is supported by this tech.\n     *\n     * The base tech does not support any type, but source handlers might\n     * overwrite this.\n     *\n     * @param {string} type\n     *        The media type to check\n     * @return {string} Returns the native video element's response\n     */\n    ;\n\n    Tech.canPlayType = function canPlayType() {\n      return '';\n    }\n    /**\n     * Check if the tech can support the given source\n     *\n     * @param {Object} srcObj\n     *        The source object\n     * @param {Object} options\n     *        The options passed to the tech\n     * @return {string} 'probably', 'maybe', or '' (empty string)\n     */\n    ;\n\n    Tech.canPlaySource = function canPlaySource(srcObj, options) {\n      return Tech.canPlayType(srcObj.type);\n    }\n    /*\n     * Return whether the argument is a Tech or not.\n     * Can be passed either a Class like `Html5` or a instance like `player.tech_`\n     *\n     * @param {Object} component\n     *        The item to check\n     *\n     * @return {boolean}\n     *         Whether it is a tech or not\n     *         - True if it is a tech\n     *         - False if it is not\n     */\n    ;\n\n    Tech.isTech = function isTech(component) {\n      return component.prototype instanceof Tech || component instanceof Tech || component === Tech;\n    }\n    /**\n     * Registers a `Tech` into a shared list for videojs.\n     *\n     * @param {string} name\n     *        Name of the `Tech` to register.\n     *\n     * @param {Object} tech\n     *        The `Tech` class to register.\n     */\n    ;\n\n    Tech.registerTech = function registerTech(name, tech) {\n      if (!Tech.techs_) {\n        Tech.techs_ = {};\n      }\n\n      if (!Tech.isTech(tech)) {\n        throw new Error(\"Tech \" + name + \" must be a Tech\");\n      }\n\n      if (!Tech.canPlayType) {\n        throw new Error('Techs must have a static canPlayType method on them');\n      }\n\n      if (!Tech.canPlaySource) {\n        throw new Error('Techs must have a static canPlaySource method on them');\n      }\n\n      name = toTitleCase(name);\n      Tech.techs_[name] = tech;\n      Tech.techs_[toLowerCase(name)] = tech;\n\n      if (name !== 'Tech') {\n        // camel case the techName for use in techOrder\n        Tech.defaultTechOrder_.push(name);\n      }\n\n      return tech;\n    }\n    /**\n     * Get a `Tech` from the shared list by name.\n     *\n     * @param {string} name\n     *        `camelCase` or `TitleCase` name of the Tech to get\n     *\n     * @return {Tech|undefined}\n     *         The `Tech` or undefined if there was no tech with the name requested.\n     */\n    ;\n\n    Tech.getTech = function getTech(name) {\n      if (!name) {\n        return;\n      }\n\n      if (Tech.techs_ && Tech.techs_[name]) {\n        return Tech.techs_[name];\n      }\n\n      name = toTitleCase(name);\n\n      if (window$3 && window$3.videojs && window$3.videojs[name]) {\n        log.warn(\"The \" + name + \" tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)\");\n        return window$3.videojs[name];\n      }\n    };\n\n    return Tech;\n  }(Component);\n  /**\n   * Get the {@link VideoTrackList}\n   *\n   * @returns {VideoTrackList}\n   * @method Tech.prototype.videoTracks\n   */\n\n  /**\n   * Get the {@link AudioTrackList}\n   *\n   * @returns {AudioTrackList}\n   * @method Tech.prototype.audioTracks\n   */\n\n  /**\n   * Get the {@link TextTrackList}\n   *\n   * @returns {TextTrackList}\n   * @method Tech.prototype.textTracks\n   */\n\n  /**\n   * Get the remote element {@link TextTrackList}\n   *\n   * @returns {TextTrackList}\n   * @method Tech.prototype.remoteTextTracks\n   */\n\n  /**\n   * Get the remote element {@link HtmlTrackElementList}\n   *\n   * @returns {HtmlTrackElementList}\n   * @method Tech.prototype.remoteTextTrackEls\n   */\n\n\n  ALL.names.forEach(function (name) {\n    var props = ALL[name];\n\n    Tech.prototype[props.getterName] = function () {\n      this[props.privateName] = this[props.privateName] || new props.ListClass();\n      return this[props.privateName];\n    };\n  });\n  /**\n   * List of associated text tracks\n   *\n   * @type {TextTrackList}\n   * @private\n   * @property Tech#textTracks_\n   */\n\n  /**\n   * List of associated audio tracks.\n   *\n   * @type {AudioTrackList}\n   * @private\n   * @property Tech#audioTracks_\n   */\n\n  /**\n   * List of associated video tracks.\n   *\n   * @type {VideoTrackList}\n   * @private\n   * @property Tech#videoTracks_\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports volume control.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresVolumeControl = true;\n  /**\n   * Boolean indicating whether the `Tech` supports muting volume.\n   *\n   * @type {bolean}\n   * @default\n   */\n\n  Tech.prototype.featuresMuteControl = true;\n  /**\n   * Boolean indicating whether the `Tech` supports fullscreen resize control.\n   * Resizing plugins using request fullscreen reloads the plugin\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresFullscreenResize = false;\n  /**\n   * Boolean indicating whether the `Tech` supports changing the speed at which the video\n   * plays. Examples:\n   *   - Set player to play 2x (twice) as fast\n   *   - Set player to play 0.5x (half) as fast\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresPlaybackRate = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `progress` event. This is currently\n   * not triggered by video-js-swf. This will be used to determine if\n   * {@link Tech#manualProgressOn} should be called.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresProgressEvents = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `sourceset` event.\n   *\n   * A tech should set this to `true` and then use {@link Tech#triggerSourceset}\n   * to trigger a {@link Tech#event:sourceset} at the earliest time after getting\n   * a new source.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresSourceset = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `timeupdate` event. This is currently\n   * not triggered by video-js-swf. This will be used to determine if\n   * {@link Tech#manualTimeUpdates} should be called.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresTimeupdateEvents = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the native `TextTrack`s.\n   * This will help us integrate with native `TextTrack`s if the browser supports them.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresNativeTextTracks = false;\n  /**\n   * A functional mixin for techs that want to use the Source Handler pattern.\n   * Source handlers are scripts for handling specific formats.\n   * The source handler pattern is used for adaptive formats (HLS, DASH) that\n   * manually load video data and feed it into a Source Buffer (Media Source Extensions)\n   * Example: `Tech.withSourceHandlers.call(MyTech);`\n   *\n   * @param {Tech} _Tech\n   *        The tech to add source handler functions to.\n   *\n   * @mixes Tech~SourceHandlerAdditions\n   */\n\n  Tech.withSourceHandlers = function (_Tech) {\n    /**\n     * Register a source handler\n     *\n     * @param {Function} handler\n     *        The source handler class\n     *\n     * @param {number} [index]\n     *        Register it at the following index\n     */\n    _Tech.registerSourceHandler = function (handler, index) {\n      var handlers = _Tech.sourceHandlers;\n\n      if (!handlers) {\n        handlers = _Tech.sourceHandlers = [];\n      }\n\n      if (index === undefined) {\n        // add to the end of the list\n        index = handlers.length;\n      }\n\n      handlers.splice(index, 0, handler);\n    };\n    /**\n     * Check if the tech can support the given type. Also checks the\n     * Techs sourceHandlers.\n     *\n     * @param {string} type\n     *         The mimetype to check.\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n\n\n    _Tech.canPlayType = function (type) {\n      var handlers = _Tech.sourceHandlers || [];\n      var can;\n\n      for (var i = 0; i < handlers.length; i++) {\n        can = handlers[i].canPlayType(type);\n\n        if (can) {\n          return can;\n        }\n      }\n\n      return '';\n    };\n    /**\n     * Returns the first source handler that supports the source.\n     *\n     * TODO: Answer question: should 'probably' be prioritized over 'maybe'\n     *\n     * @param {Tech~SourceObject} source\n     *        The source object\n     *\n     * @param {Object} options\n     *        The options passed to the tech\n     *\n     * @return {SourceHandler|null}\n     *          The first source handler that supports the source or null if\n     *          no SourceHandler supports the source\n     */\n\n\n    _Tech.selectSourceHandler = function (source, options) {\n      var handlers = _Tech.sourceHandlers || [];\n      var can;\n\n      for (var i = 0; i < handlers.length; i++) {\n        can = handlers[i].canHandleSource(source, options);\n\n        if (can) {\n          return handlers[i];\n        }\n      }\n\n      return null;\n    };\n    /**\n     * Check if the tech can support the given source.\n     *\n     * @param {Tech~SourceObject} srcObj\n     *        The source object\n     *\n     * @param {Object} options\n     *        The options passed to the tech\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n\n\n    _Tech.canPlaySource = function (srcObj, options) {\n      var sh = _Tech.selectSourceHandler(srcObj, options);\n\n      if (sh) {\n        return sh.canHandleSource(srcObj, options);\n      }\n\n      return '';\n    };\n    /**\n     * When using a source handler, prefer its implementation of\n     * any function normally provided by the tech.\n     */\n\n\n    var deferrable = ['seekable', 'seeking', 'duration'];\n    /**\n     * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable\n     * function if it exists, with a fallback to the Techs seekable function.\n     *\n     * @method _Tech.seekable\n     */\n\n    /**\n     * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration\n     * function if it exists, otherwise it will fallback to the techs duration function.\n     *\n     * @method _Tech.duration\n     */\n\n    deferrable.forEach(function (fnName) {\n      var originalFn = this[fnName];\n\n      if (typeof originalFn !== 'function') {\n        return;\n      }\n\n      this[fnName] = function () {\n        if (this.sourceHandler_ && this.sourceHandler_[fnName]) {\n          return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);\n        }\n\n        return originalFn.apply(this, arguments);\n      };\n    }, _Tech.prototype);\n    /**\n     * Create a function for setting the source using a source object\n     * and source handlers.\n     * Should never be called unless a source handler was found.\n     *\n     * @param {Tech~SourceObject} source\n     *        A source object with src and type keys\n     */\n\n    _Tech.prototype.setSource = function (source) {\n      var sh = _Tech.selectSourceHandler(source, this.options_);\n\n      if (!sh) {\n        // Fall back to a native source hander when unsupported sources are\n        // deliberately set\n        if (_Tech.nativeSourceHandler) {\n          sh = _Tech.nativeSourceHandler;\n        } else {\n          log.error('No source handler found for the current source.');\n        }\n      } // Dispose any existing source handler\n\n\n      this.disposeSourceHandler();\n      this.off('dispose', this.disposeSourceHandler);\n\n      if (sh !== _Tech.nativeSourceHandler) {\n        this.currentSource_ = source;\n      }\n\n      this.sourceHandler_ = sh.handleSource(source, this, this.options_);\n      this.one('dispose', this.disposeSourceHandler);\n    };\n    /**\n     * Clean up any existing SourceHandlers and listeners when the Tech is disposed.\n     *\n     * @listens Tech#dispose\n     */\n\n\n    _Tech.prototype.disposeSourceHandler = function () {\n      // if we have a source and get another one\n      // then we are loading something new\n      // than clear all of our current tracks\n      if (this.currentSource_) {\n        this.clearTracks(['audio', 'video']);\n        this.currentSource_ = null;\n      } // always clean up auto-text tracks\n\n\n      this.cleanupAutoTextTracks();\n\n      if (this.sourceHandler_) {\n        if (this.sourceHandler_.dispose) {\n          this.sourceHandler_.dispose();\n        }\n\n        this.sourceHandler_ = null;\n      }\n    };\n  }; // The base Tech class needs to be registered as a Component. It is the only\n  // Tech that can be registered as a Component.\n\n\n  Component.registerComponent('Tech', Tech);\n  Tech.registerTech('Tech', Tech);\n  /**\n   * A list of techs that should be added to techOrder on Players\n   *\n   * @private\n   */\n\n  Tech.defaultTechOrder_ = [];\n\n  /**\n   * @file middleware.js\n   * @module middleware\n   */\n  var middlewares = {};\n  var middlewareInstances = {};\n  var TERMINATOR = {};\n  /**\n   * A middleware object is a plain JavaScript object that has methods that\n   * match the {@link Tech} methods found in the lists of allowed\n   * {@link module:middleware.allowedGetters|getters},\n   * {@link module:middleware.allowedSetters|setters}, and\n   * {@link module:middleware.allowedMediators|mediators}.\n   *\n   * @typedef {Object} MiddlewareObject\n   */\n\n  /**\n   * A middleware factory function that should return a\n   * {@link module:middleware~MiddlewareObject|MiddlewareObject}.\n   *\n   * This factory will be called for each player when needed, with the player\n   * passed in as an argument.\n   *\n   * @callback MiddlewareFactory\n   * @param {Player} player\n   *        A Video.js player.\n   */\n\n  /**\n   * Define a middleware that the player should use by way of a factory function\n   * that returns a middleware object.\n   *\n   * @param  {string} type\n   *         The MIME type to match or `\"*\"` for all MIME types.\n   *\n   * @param  {MiddlewareFactory} middleware\n   *         A middleware factory function that will be executed for\n   *         matching types.\n   */\n\n  function use(type, middleware) {\n    middlewares[type] = middlewares[type] || [];\n    middlewares[type].push(middleware);\n  }\n  /**\n   * Asynchronously sets a source using middleware by recursing through any\n   * matching middlewares and calling `setSource` on each, passing along the\n   * previous returned value each time.\n   *\n   * @param  {Player} player\n   *         A {@link Player} instance.\n   *\n   * @param  {Tech~SourceObject} src\n   *         A source object.\n   *\n   * @param  {Function}\n   *         The next middleware to run.\n   */\n\n  function setSource(player, src, next) {\n    player.setTimeout(function () {\n      return setSourceHelper(src, middlewares[src.type], next, player);\n    }, 1);\n  }\n  /**\n   * When the tech is set, passes the tech to each middleware's `setTech` method.\n   *\n   * @param {Object[]} middleware\n   *        An array of middleware instances.\n   *\n   * @param {Tech} tech\n   *        A Video.js tech.\n   */\n\n  function setTech(middleware, tech) {\n    middleware.forEach(function (mw) {\n      return mw.setTech && mw.setTech(tech);\n    });\n  }\n  /**\n   * Calls a getter on the tech first, through each middleware\n   * from right to left to the player.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @return {Mixed}\n   *         The final value from the tech after middleware has intercepted it.\n   */\n\n  function get(middleware, tech, method) {\n    return middleware.reduceRight(middlewareIterator(method), tech[method]());\n  }\n  /**\n   * Takes the argument given to the player and calls the setter method on each\n   * middleware from left to right to the tech.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @param  {Mixed} arg\n   *         The value to set on the tech.\n   *\n   * @return {Mixed}\n   *         The return value of the `method` of the `tech`.\n   */\n\n  function set(middleware, tech, method, arg) {\n    return tech[method](middleware.reduce(middlewareIterator(method), arg));\n  }\n  /**\n   * Takes the argument given to the player and calls the `call` version of the\n   * method on each middleware from left to right.\n   *\n   * Then, call the passed in method on the tech and return the result unchanged\n   * back to the player, through middleware, this time from right to left.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @param  {Mixed} arg\n   *         The value to set on the tech.\n   *\n   * @return {Mixed}\n   *         The return value of the `method` of the `tech`, regardless of the\n   *         return values of middlewares.\n   */\n\n  function mediate(middleware, tech, method, arg) {\n    if (arg === void 0) {\n      arg = null;\n    }\n\n    var callMethod = 'call' + toTitleCase(method);\n    var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);\n    var terminated = middlewareValue === TERMINATOR; // deprecated. The `null` return value should instead return TERMINATOR to\n    // prevent confusion if a techs method actually returns null.\n\n    var returnValue = terminated ? null : tech[method](middlewareValue);\n    executeRight(middleware, method, returnValue, terminated);\n    return returnValue;\n  }\n  /**\n   * Enumeration of allowed getters where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedGetters = {\n    buffered: 1,\n    currentTime: 1,\n    duration: 1,\n    muted: 1,\n    played: 1,\n    paused: 1,\n    seekable: 1,\n    volume: 1\n  };\n  /**\n   * Enumeration of allowed setters where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedSetters = {\n    setCurrentTime: 1,\n    setMuted: 1,\n    setVolume: 1\n  };\n  /**\n   * Enumeration of allowed mediators where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedMediators = {\n    play: 1,\n    pause: 1\n  };\n\n  function middlewareIterator(method) {\n    return function (value, mw) {\n      // if the previous middleware terminated, pass along the termination\n      if (value === TERMINATOR) {\n        return TERMINATOR;\n      }\n\n      if (mw[method]) {\n        return mw[method](value);\n      }\n\n      return value;\n    };\n  }\n\n  function executeRight(mws, method, value, terminated) {\n    for (var i = mws.length - 1; i >= 0; i--) {\n      var mw = mws[i];\n\n      if (mw[method]) {\n        mw[method](terminated, value);\n      }\n    }\n  }\n  /**\n   * Clear the middleware cache for a player.\n   *\n   * @param  {Player} player\n   *         A {@link Player} instance.\n   */\n\n\n  function clearCacheForPlayer(player) {\n    middlewareInstances[player.id()] = null;\n  }\n  /**\n   * {\n   *  [playerId]: [[mwFactory, mwInstance], ...]\n   * }\n   *\n   * @private\n   */\n\n  function getOrCreateFactory(player, mwFactory) {\n    var mws = middlewareInstances[player.id()];\n    var mw = null;\n\n    if (mws === undefined || mws === null) {\n      mw = mwFactory(player);\n      middlewareInstances[player.id()] = [[mwFactory, mw]];\n      return mw;\n    }\n\n    for (var i = 0; i < mws.length; i++) {\n      var _mws$i = mws[i],\n          mwf = _mws$i[0],\n          mwi = _mws$i[1];\n\n      if (mwf !== mwFactory) {\n        continue;\n      }\n\n      mw = mwi;\n    }\n\n    if (mw === null) {\n      mw = mwFactory(player);\n      mws.push([mwFactory, mw]);\n    }\n\n    return mw;\n  }\n\n  function setSourceHelper(src, middleware, next, player, acc, lastRun) {\n    if (src === void 0) {\n      src = {};\n    }\n\n    if (middleware === void 0) {\n      middleware = [];\n    }\n\n    if (acc === void 0) {\n      acc = [];\n    }\n\n    if (lastRun === void 0) {\n      lastRun = false;\n    }\n\n    var _middleware = middleware,\n        mwFactory = _middleware[0],\n        mwrest = _middleware.slice(1); // if mwFactory is a string, then we're at a fork in the road\n\n\n    if (typeof mwFactory === 'string') {\n      setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun); // if we have an mwFactory, call it with the player to get the mw,\n      // then call the mw's setSource method\n    } else if (mwFactory) {\n      var mw = getOrCreateFactory(player, mwFactory); // if setSource isn't present, implicitly select this middleware\n\n      if (!mw.setSource) {\n        acc.push(mw);\n        return setSourceHelper(src, mwrest, next, player, acc, lastRun);\n      }\n\n      mw.setSource(assign({}, src), function (err, _src) {\n        // something happened, try the next middleware on the current level\n        // make sure to use the old src\n        if (err) {\n          return setSourceHelper(src, mwrest, next, player, acc, lastRun);\n        } // we've succeeded, now we need to go deeper\n\n\n        acc.push(mw); // if it's the same type, continue down the current chain\n        // otherwise, we want to go down the new chain\n\n        setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);\n      });\n    } else if (mwrest.length) {\n      setSourceHelper(src, mwrest, next, player, acc, lastRun);\n    } else if (lastRun) {\n      next(src, acc);\n    } else {\n      setSourceHelper(src, middlewares['*'], next, player, acc, true);\n    }\n  }\n\n  /**\n   * Mimetypes\n   *\n   * @see http://hul.harvard.edu/ois/////systems/wax/wax-public-help/mimetypes.htm\n   * @typedef Mimetypes~Kind\n   * @enum\n   */\n\n  var MimetypesKind = {\n    opus: 'video/ogg',\n    ogv: 'video/ogg',\n    mp4: 'video/mp4',\n    mov: 'video/mp4',\n    m4v: 'video/mp4',\n    mkv: 'video/x-matroska',\n    m4a: 'audio/mp4',\n    mp3: 'audio/mpeg',\n    aac: 'audio/aac',\n    oga: 'audio/ogg',\n    m3u8: 'application/x-mpegURL',\n    jpg: 'image/jpeg',\n    jpeg: 'image/jpeg',\n    gif: 'image/gif',\n    png: 'image/png',\n    svg: 'image/svg+xml',\n    webp: 'image/webp'\n  };\n  /**\n   * Get the mimetype of a given src url if possible\n   *\n   * @param {string} src\n   *        The url to the src\n   *\n   * @return {string}\n   *         return the mimetype if it was known or empty string otherwise\n   */\n\n  var getMimetype = function getMimetype(src) {\n    if (src === void 0) {\n      src = '';\n    }\n\n    var ext = getFileExtension(src);\n    var mimetype = MimetypesKind[ext.toLowerCase()];\n    return mimetype || '';\n  };\n  /**\n   * Find the mime type of a given source string if possible. Uses the player\n   * source cache.\n   *\n   * @param {Player} player\n   *        The player object\n   *\n   * @param {string} src\n   *        The source string\n   *\n   * @return {string}\n   *         The type that was found\n   */\n\n  var findMimetype = function findMimetype(player, src) {\n    if (!src) {\n      return '';\n    } // 1. check for the type in the `source` cache\n\n\n    if (player.cache_.source.src === src && player.cache_.source.type) {\n      return player.cache_.source.type;\n    } // 2. see if we have this source in our `currentSources` cache\n\n\n    var matchingSources = player.cache_.sources.filter(function (s) {\n      return s.src === src;\n    });\n\n    if (matchingSources.length) {\n      return matchingSources[0].type;\n    } // 3. look for the src url in source elements and use the type there\n\n\n    var sources = player.$$('source');\n\n    for (var i = 0; i < sources.length; i++) {\n      var s = sources[i];\n\n      if (s.type && s.src && s.src === src) {\n        return s.type;\n      }\n    } // 4. finally fallback to our list of mime types based on src url extension\n\n\n    return getMimetype(src);\n  };\n\n  /**\n   * @module filter-source\n   */\n  /**\n   * Filter out single bad source objects or multiple source objects in an\n   * array. Also flattens nested source object arrays into a 1 dimensional\n   * array of source objects.\n   *\n   * @param {Tech~SourceObject|Tech~SourceObject[]} src\n   *        The src object to filter\n   *\n   * @return {Tech~SourceObject[]}\n   *         An array of sourceobjects containing only valid sources\n   *\n   * @private\n   */\n\n  var filterSource = function filterSource(src) {\n    // traverse array\n    if (Array.isArray(src)) {\n      var newsrc = [];\n      src.forEach(function (srcobj) {\n        srcobj = filterSource(srcobj);\n\n        if (Array.isArray(srcobj)) {\n          newsrc = newsrc.concat(srcobj);\n        } else if (isObject(srcobj)) {\n          newsrc.push(srcobj);\n        }\n      });\n      src = newsrc;\n    } else if (typeof src === 'string' && src.trim()) {\n      // convert string into object\n      src = [fixSource({\n        src: src\n      })];\n    } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {\n      // src is already valid\n      src = [fixSource(src)];\n    } else {\n      // invalid source, turn it into an empty array\n      src = [];\n    }\n\n    return src;\n  };\n  /**\n   * Checks src mimetype, adding it when possible\n   *\n   * @param {Tech~SourceObject} src\n   *        The src object to check\n   * @return {Tech~SourceObject}\n   *        src Object with known type\n   */\n\n\n  function fixSource(src) {\n    if (!src.type) {\n      var mimetype = getMimetype(src.src);\n\n      if (mimetype) {\n        src.type = mimetype;\n      }\n    }\n\n    return src;\n  }\n\n  /**\n   * The `MediaLoader` is the `Component` that decides which playback technology to load\n   * when a player is initialized.\n   *\n   * @extends Component\n   */\n\n  var MediaLoader = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MediaLoader, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should attach to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function that is run when this component is ready.\n     */\n    function MediaLoader(player, options, ready) {\n      var _this;\n\n      // MediaLoader has no element\n      var options_ = mergeOptions({\n        createEl: false\n      }, options);\n      _this = _Component.call(this, player, options_, ready) || this; // If there are no sources when the player is initialized,\n      // load the first supported playback technology.\n\n      if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {\n        for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {\n          var techName = toTitleCase(j[i]);\n          var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.\n          // Remove once that deprecated behavior is removed.\n\n          if (!techName) {\n            tech = Component.getComponent(techName);\n          } // Check if the browser supports this technology\n\n\n          if (tech && tech.isSupported()) {\n            player.loadTech_(techName);\n            break;\n          }\n        }\n      } else {\n        // Loop through playback technologies (HTML5, Flash) and check for support.\n        // Then load the best source.\n        // A few assumptions here:\n        //   All playback technologies respect preload false.\n        player.src(options.playerOptions.sources);\n      }\n\n      return _this;\n    }\n\n    return MediaLoader;\n  }(Component);\n\n  Component.registerComponent('MediaLoader', MediaLoader);\n\n  /**\n   * Component which is clickable or keyboard actionable, but is not a\n   * native HTML button.\n   *\n   * @extends Component\n   */\n\n  var ClickableComponent = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ClickableComponent, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param  {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param  {Object} [options]\n     *         The key/value store of player options.\n     *\n     * @param  {function} [options.clickHandler]\n     *         The function to call when the button is clicked / activated\n     */\n    function ClickableComponent(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.emitTapEvents();\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Create the `ClickableComponent`s DOM element.\n     *\n     * @param {string} [tag=div]\n     *        The element's node type.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element.\n     *\n     * @param {Object} [attributes={}]\n     *        An object of attributes that should be set on the element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n\n\n    var _proto = ClickableComponent.prototype;\n\n    _proto.createEl = function createEl(tag, props, attributes) {\n      if (tag === void 0) {\n        tag = 'div';\n      }\n\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      props = assign({\n        innerHTML: '<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>',\n        className: this.buildCSSClass(),\n        tabIndex: 0\n      }, props);\n\n      if (tag === 'button') {\n        log.error(\"Creating a ClickableComponent with an HTML element of \" + tag + \" is not supported; use a Button instead.\");\n      } // Add ARIA attributes for clickable element which is not a native HTML button\n\n\n      attributes = assign({\n        role: 'button'\n      }, attributes);\n      this.tabIndex_ = props.tabIndex;\n\n      var el = _Component.prototype.createEl.call(this, tag, props, attributes);\n\n      this.createControlTextEl(el);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      // remove controlTextEl_ on dispose\n      this.controlTextEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Create a control text element on this `ClickableComponent`\n     *\n     * @param {Element} [el]\n     *        Parent element for the control text.\n     *\n     * @return {Element}\n     *         The control text element that gets created.\n     */\n    ;\n\n    _proto.createControlTextEl = function createControlTextEl(el) {\n      this.controlTextEl_ = createEl('span', {\n        className: 'vjs-control-text'\n      }, {\n        // let the screen reader user know that the text of the element may change\n        'aria-live': 'polite'\n      });\n\n      if (el) {\n        el.appendChild(this.controlTextEl_);\n      }\n\n      this.controlText(this.controlText_, el);\n      return this.controlTextEl_;\n    }\n    /**\n     * Get or set the localize text to use for the controls on the `ClickableComponent`.\n     *\n     * @param {string} [text]\n     *        Control text for element.\n     *\n     * @param {Element} [el=this.el()]\n     *        Element to set the title on.\n     *\n     * @return {string}\n     *         - The control text when getting\n     */\n    ;\n\n    _proto.controlText = function controlText(text, el) {\n      if (el === void 0) {\n        el = this.el();\n      }\n\n      if (text === undefined) {\n        return this.controlText_ || 'Need Text';\n      }\n\n      var localizedText = this.localize(text);\n      this.controlText_ = text;\n      textContent(this.controlTextEl_, localizedText);\n\n      if (!this.nonIconControl) {\n        // Set title attribute if only an icon is shown\n        el.setAttribute('title', localizedText);\n      }\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-control vjs-button \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Enable this `ClickableComponent`\n     */\n    ;\n\n    _proto.enable = function enable() {\n      if (!this.enabled_) {\n        this.enabled_ = true;\n        this.removeClass('vjs-disabled');\n        this.el_.setAttribute('aria-disabled', 'false');\n\n        if (typeof this.tabIndex_ !== 'undefined') {\n          this.el_.setAttribute('tabIndex', this.tabIndex_);\n        }\n\n        this.on(['tap', 'click'], this.handleClick);\n        this.on('keydown', this.handleKeyDown);\n      }\n    }\n    /**\n     * Disable this `ClickableComponent`\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.enabled_ = false;\n      this.addClass('vjs-disabled');\n      this.el_.setAttribute('aria-disabled', 'true');\n\n      if (typeof this.tabIndex_ !== 'undefined') {\n        this.el_.removeAttribute('tabIndex');\n      }\n\n      this.off('mouseover', this.handleMouseOver);\n      this.off('mouseout', this.handleMouseOut);\n      this.off(['tap', 'click'], this.handleClick);\n      this.off('keydown', this.handleKeyDown);\n    }\n    /**\n     * Event handler that is called when a `ClickableComponent` receives a\n     * `click` or `tap` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `tap` or `click` event that caused this function to be called.\n     *\n     * @listens tap\n     * @listens click\n     * @abstract\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.options_.clickHandler) {\n        this.options_.clickHandler.call(this, arguments);\n      }\n    }\n    /**\n     * Event handler that is called when a `ClickableComponent` receives a\n     * `keydown` event.\n     *\n     * By default, if the key is Space or Enter, it will trigger a `click` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Support Space or Enter key operation to fire a click event. Also,\n      // prevent the event from propagating through the DOM and triggering\n      // Player hotkeys.\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.trigger('click');\n      } else {\n        // Pass keypress handling up for unsupported keys\n        _Component.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return ClickableComponent;\n  }(Component);\n\n  Component.registerComponent('ClickableComponent', ClickableComponent);\n\n  /**\n   * A `ClickableComponent` that handles showing the poster image for the player.\n   *\n   * @extends ClickableComponent\n   */\n\n  var PosterImage = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(PosterImage, _ClickableComponent);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should attach to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PosterImage(player, options) {\n      var _this;\n\n      _this = _ClickableComponent.call(this, player, options) || this;\n\n      _this.update();\n\n      player.on('posterchange', bind(assertThisInitialized(_this), _this.update));\n      return _this;\n    }\n    /**\n     * Clean up and dispose of the `PosterImage`.\n     */\n\n\n    var _proto = PosterImage.prototype;\n\n    _proto.dispose = function dispose() {\n      this.player().off('posterchange', this.update);\n\n      _ClickableComponent.prototype.dispose.call(this);\n    }\n    /**\n     * Create the `PosterImage`s DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var el = createEl('div', {\n        className: 'vjs-poster',\n        // Don't want poster to be tabbable.\n        tabIndex: -1\n      });\n      return el;\n    }\n    /**\n     * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.\n     *\n     * @listens Player#posterchange\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `Player#posterchange` event that triggered this function.\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var url = this.player().poster();\n      this.setSrc(url); // If there's no poster source we should display:none on this component\n      // so it's not still clickable or right-clickable\n\n      if (url) {\n        this.show();\n      } else {\n        this.hide();\n      }\n    }\n    /**\n     * Set the source of the `PosterImage` depending on the display method.\n     *\n     * @param {string} url\n     *        The URL to the source for the `PosterImage`.\n     */\n    ;\n\n    _proto.setSrc = function setSrc(url) {\n      var backgroundImage = ''; // Any falsy value should stay as an empty string, otherwise\n      // this will throw an extra error\n\n      if (url) {\n        backgroundImage = \"url(\\\"\" + url + \"\\\")\";\n      }\n\n      this.el_.style.backgroundImage = backgroundImage;\n    }\n    /**\n     * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See\n     * {@link ClickableComponent#handleClick} for instances where this will be triggered.\n     *\n     * @listens tap\n     * @listens click\n     * @listens keydown\n     *\n     * @param {EventTarget~Event} event\n     +        The `click`, `tap` or `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      // We don't want a click to trigger playback when controls are disabled\n      if (!this.player_.controls()) {\n        return;\n      }\n\n      var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;\n\n      if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where\n      // calling .focus() on the video element causes the video to go black,\n      // so we avoid it in that specific case\n      !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {\n        this.player_.tech(true).focus();\n      }\n\n      if (this.player_.paused()) {\n        silencePromise(this.player_.play());\n      } else {\n        this.player_.pause();\n      }\n    };\n\n    return PosterImage;\n  }(ClickableComponent);\n\n  Component.registerComponent('PosterImage', PosterImage);\n\n  var darkGray = '#222';\n  var lightGray = '#ccc';\n  var fontMap = {\n    monospace: 'monospace',\n    sansSerif: 'sans-serif',\n    serif: 'serif',\n    monospaceSansSerif: '\"Andale Mono\", \"Lucida Console\", monospace',\n    monospaceSerif: '\"Courier New\", monospace',\n    proportionalSansSerif: 'sans-serif',\n    proportionalSerif: 'serif',\n    casual: '\"Comic Sans MS\", Impact, fantasy',\n    script: '\"Monotype Corsiva\", cursive',\n    smallcaps: '\"Andale Mono\", \"Lucida Console\", monospace, sans-serif'\n  };\n  /**\n   * Construct an rgba color from a given hex color code.\n   *\n   * @param {number} color\n   *        Hex number for color, like #f0e or #f604e2.\n   *\n   * @param {number} opacity\n   *        Value for opacity, 0.0 - 1.0.\n   *\n   * @return {string}\n   *         The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.\n   */\n\n  function constructColor(color, opacity) {\n    var hex;\n\n    if (color.length === 4) {\n      // color looks like \"#f0e\"\n      hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3];\n    } else if (color.length === 7) {\n      // color looks like \"#f604e2\"\n      hex = color.slice(1);\n    } else {\n      throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.');\n    }\n\n    return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')';\n  }\n  /**\n   * Try to update the style of a DOM element. Some style changes will throw an error,\n   * particularly in IE8. Those should be noops.\n   *\n   * @param {Element} el\n   *        The DOM element to be styled.\n   *\n   * @param {string} style\n   *        The CSS property on the element that should be styled.\n   *\n   * @param {string} rule\n   *        The style rule that should be applied to the property.\n   *\n   * @private\n   */\n\n  function tryUpdateStyle(el, style, rule) {\n    try {\n      el.style[style] = rule;\n    } catch (e) {\n      // Satisfies linter.\n      return;\n    }\n  }\n  /**\n   * The component for displaying text track cues.\n   *\n   * @extends Component\n   */\n\n\n  var TextTrackDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TextTrackDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when `TextTrackDisplay` is ready.\n     */\n    function TextTrackDisplay(player, options, ready) {\n      var _this;\n\n      _this = _Component.call(this, player, options, ready) || this;\n      var updateDisplayHandler = bind(assertThisInitialized(_this), _this.updateDisplay);\n      player.on('loadstart', bind(assertThisInitialized(_this), _this.toggleDisplay));\n      player.on('texttrackchange', updateDisplayHandler);\n      player.on('loadedmetadata', bind(assertThisInitialized(_this), _this.preselectTrack)); // This used to be called during player init, but was causing an error\n      // if a track should show by default and the display hadn't loaded yet.\n      // Should probably be moved to an external track loader when we support\n      // tracks that don't need a display.\n\n      player.ready(bind(assertThisInitialized(_this), function () {\n        if (player.tech_ && player.tech_.featuresNativeTextTracks) {\n          this.hide();\n          return;\n        }\n\n        player.on('fullscreenchange', updateDisplayHandler);\n        player.on('playerresize', updateDisplayHandler);\n        window$3.addEventListener('orientationchange', updateDisplayHandler);\n        player.on('dispose', function () {\n          return window$3.removeEventListener('orientationchange', updateDisplayHandler);\n        });\n        var tracks = this.options_.playerOptions.tracks || [];\n\n        for (var i = 0; i < tracks.length; i++) {\n          this.player_.addRemoteTextTrack(tracks[i], true);\n        }\n\n        this.preselectTrack();\n      }));\n      return _this;\n    }\n    /**\n    * Preselect a track following this precedence:\n    * - matches the previously selected {@link TextTrack}'s language and kind\n    * - matches the previously selected {@link TextTrack}'s language only\n    * - is the first default captions track\n    * - is the first default descriptions track\n    *\n    * @listens Player#loadstart\n    */\n\n\n    var _proto = TextTrackDisplay.prototype;\n\n    _proto.preselectTrack = function preselectTrack() {\n      var modes = {\n        captions: 1,\n        subtitles: 1\n      };\n      var trackList = this.player_.textTracks();\n      var userPref = this.player_.cache_.selectedLanguage;\n      var firstDesc;\n      var firstCaptions;\n      var preferredTrack;\n\n      for (var i = 0; i < trackList.length; i++) {\n        var track = trackList[i];\n\n        if (userPref && userPref.enabled && userPref.language && userPref.language === track.language && track.kind in modes) {\n          // Always choose the track that matches both language and kind\n          if (track.kind === userPref.kind) {\n            preferredTrack = track; // or choose the first track that matches language\n          } else if (!preferredTrack) {\n            preferredTrack = track;\n          } // clear everything if offTextTrackMenuItem was clicked\n\n        } else if (userPref && !userPref.enabled) {\n          preferredTrack = null;\n          firstDesc = null;\n          firstCaptions = null;\n        } else if (track[\"default\"]) {\n          if (track.kind === 'descriptions' && !firstDesc) {\n            firstDesc = track;\n          } else if (track.kind in modes && !firstCaptions) {\n            firstCaptions = track;\n          }\n        }\n      } // The preferredTrack matches the user preference and takes\n      // precedence over all the other tracks.\n      // So, display the preferredTrack before the first default track\n      // and the subtitles/captions track before the descriptions track\n\n\n      if (preferredTrack) {\n        preferredTrack.mode = 'showing';\n      } else if (firstCaptions) {\n        firstCaptions.mode = 'showing';\n      } else if (firstDesc) {\n        firstDesc.mode = 'showing';\n      }\n    }\n    /**\n     * Turn display of {@link TextTrack}'s from the current state into the other state.\n     * There are only two states:\n     * - 'shown'\n     * - 'hidden'\n     *\n     * @listens Player#loadstart\n     */\n    ;\n\n    _proto.toggleDisplay = function toggleDisplay() {\n      if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {\n        this.hide();\n      } else {\n        this.show();\n      }\n    }\n    /**\n     * Create the {@link Component}'s DOM element.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-text-track-display'\n      }, {\n        'aria-live': 'off',\n        'aria-atomic': 'true'\n      });\n    }\n    /**\n     * Clear all displayed {@link TextTrack}s.\n     */\n    ;\n\n    _proto.clearDisplay = function clearDisplay() {\n      if (typeof window$3.WebVTT === 'function') {\n        window$3.WebVTT.processCues(window$3, [], this.el_);\n      }\n    }\n    /**\n     * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or\n     * a {@link Player#fullscreenchange} is fired.\n     *\n     * @listens Player#texttrackchange\n     * @listens Player#fullscreenchange\n     */\n    ;\n\n    _proto.updateDisplay = function updateDisplay() {\n      var tracks = this.player_.textTracks();\n      var allowMultipleShowingTracks = this.options_.allowMultipleShowingTracks;\n      this.clearDisplay();\n\n      if (allowMultipleShowingTracks) {\n        var showingTracks = [];\n\n        for (var _i = 0; _i < tracks.length; ++_i) {\n          var track = tracks[_i];\n\n          if (track.mode !== 'showing') {\n            continue;\n          }\n\n          showingTracks.push(track);\n        }\n\n        this.updateForTrack(showingTracks);\n        return;\n      } //  Track display prioritization model: if multiple tracks are 'showing',\n      //  display the first 'subtitles' or 'captions' track which is 'showing',\n      //  otherwise display the first 'descriptions' track which is 'showing'\n\n\n      var descriptionsTrack = null;\n      var captionsSubtitlesTrack = null;\n      var i = tracks.length;\n\n      while (i--) {\n        var _track = tracks[i];\n\n        if (_track.mode === 'showing') {\n          if (_track.kind === 'descriptions') {\n            descriptionsTrack = _track;\n          } else {\n            captionsSubtitlesTrack = _track;\n          }\n        }\n      }\n\n      if (captionsSubtitlesTrack) {\n        if (this.getAttribute('aria-live') !== 'off') {\n          this.setAttribute('aria-live', 'off');\n        }\n\n        this.updateForTrack(captionsSubtitlesTrack);\n      } else if (descriptionsTrack) {\n        if (this.getAttribute('aria-live') !== 'assertive') {\n          this.setAttribute('aria-live', 'assertive');\n        }\n\n        this.updateForTrack(descriptionsTrack);\n      }\n    }\n    /**\n     * Style {@Link TextTrack} activeCues according to {@Link TextTrackSettings}.\n     *\n     * @param {TextTrack} track\n     *        Text track object containing active cues to style.\n     */\n    ;\n\n    _proto.updateDisplayState = function updateDisplayState(track) {\n      var overrides = this.player_.textTrackSettings.getValues();\n      var cues = track.activeCues;\n      var i = cues.length;\n\n      while (i--) {\n        var cue = cues[i];\n\n        if (!cue) {\n          continue;\n        }\n\n        var cueDiv = cue.displayState;\n\n        if (overrides.color) {\n          cueDiv.firstChild.style.color = overrides.color;\n        }\n\n        if (overrides.textOpacity) {\n          tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));\n        }\n\n        if (overrides.backgroundColor) {\n          cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;\n        }\n\n        if (overrides.backgroundOpacity) {\n          tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));\n        }\n\n        if (overrides.windowColor) {\n          if (overrides.windowOpacity) {\n            tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));\n          } else {\n            cueDiv.style.backgroundColor = overrides.windowColor;\n          }\n        }\n\n        if (overrides.edgeStyle) {\n          if (overrides.edgeStyle === 'dropshadow') {\n            cueDiv.firstChild.style.textShadow = \"2px 2px 3px \" + darkGray + \", 2px 2px 4px \" + darkGray + \", 2px 2px 5px \" + darkGray;\n          } else if (overrides.edgeStyle === 'raised') {\n            cueDiv.firstChild.style.textShadow = \"1px 1px \" + darkGray + \", 2px 2px \" + darkGray + \", 3px 3px \" + darkGray;\n          } else if (overrides.edgeStyle === 'depressed') {\n            cueDiv.firstChild.style.textShadow = \"1px 1px \" + lightGray + \", 0 1px \" + lightGray + \", -1px -1px \" + darkGray + \", 0 -1px \" + darkGray;\n          } else if (overrides.edgeStyle === 'uniform') {\n            cueDiv.firstChild.style.textShadow = \"0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray;\n          }\n        }\n\n        if (overrides.fontPercent && overrides.fontPercent !== 1) {\n          var fontSize = window$3.parseFloat(cueDiv.style.fontSize);\n          cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';\n          cueDiv.style.height = 'auto';\n          cueDiv.style.top = 'auto';\n          cueDiv.style.bottom = '2px';\n        }\n\n        if (overrides.fontFamily && overrides.fontFamily !== 'default') {\n          if (overrides.fontFamily === 'small-caps') {\n            cueDiv.firstChild.style.fontVariant = 'small-caps';\n          } else {\n            cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];\n          }\n        }\n      }\n    }\n    /**\n     * Add an {@link TextTrack} to to the {@link Tech}s {@link TextTrackList}.\n     *\n     * @param {TextTrack|TextTrack[]} tracks\n     *        Text track object or text track array to be added to the list.\n     */\n    ;\n\n    _proto.updateForTrack = function updateForTrack(tracks) {\n      if (!Array.isArray(tracks)) {\n        tracks = [tracks];\n      }\n\n      if (typeof window$3.WebVTT !== 'function' || tracks.every(function (track) {\n        return !track.activeCues;\n      })) {\n        return;\n      }\n\n      var cues = []; // push all active track cues\n\n      for (var i = 0; i < tracks.length; ++i) {\n        var track = tracks[i];\n\n        for (var j = 0; j < track.activeCues.length; ++j) {\n          cues.push(track.activeCues[j]);\n        }\n      } // removes all cues before it processes new ones\n\n\n      window$3.WebVTT.processCues(window$3, cues, this.el_); // add unique class to each language text track & add settings styling if necessary\n\n      for (var _i2 = 0; _i2 < tracks.length; ++_i2) {\n        var _track2 = tracks[_i2];\n\n        for (var _j = 0; _j < _track2.activeCues.length; ++_j) {\n          var cueEl = _track2.activeCues[_j].displayState;\n          addClass(cueEl, 'vjs-text-track-cue');\n          addClass(cueEl, 'vjs-text-track-cue-' + (_track2.language ? _track2.language : _i2));\n        }\n\n        if (this.player_.textTrackSettings) {\n          this.updateDisplayState(_track2);\n        }\n      }\n    };\n\n    return TextTrackDisplay;\n  }(Component);\n\n  Component.registerComponent('TextTrackDisplay', TextTrackDisplay);\n\n  /**\n   * A loading spinner for use during waiting/loading events.\n   *\n   * @extends Component\n   */\n\n  var LoadingSpinner = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LoadingSpinner, _Component);\n\n    function LoadingSpinner() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = LoadingSpinner.prototype;\n\n    /**\n     * Create the `LoadingSpinner`s DOM element.\n     *\n     * @return {Element}\n     *         The dom element that gets created.\n     */\n    _proto.createEl = function createEl$1() {\n      var isAudio = this.player_.isAudio();\n      var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');\n      var controlText = createEl('span', {\n        className: 'vjs-control-text',\n        innerHTML: this.localize('{1} is loading.', [playerType])\n      });\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-loading-spinner',\n        dir: 'ltr'\n      });\n\n      el.appendChild(controlText);\n      return el;\n    };\n\n    return LoadingSpinner;\n  }(Component);\n\n  Component.registerComponent('LoadingSpinner', LoadingSpinner);\n\n  /**\n   * Base class for all buttons.\n   *\n   * @extends ClickableComponent\n   */\n\n  var Button = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(Button, _ClickableComponent);\n\n    function Button() {\n      return _ClickableComponent.apply(this, arguments) || this;\n    }\n\n    var _proto = Button.prototype;\n\n    /**\n     * Create the `Button`s DOM element.\n     *\n     * @param {string} [tag=\"button\"]\n     *        The element's node type. This argument is IGNORED: no matter what\n     *        is passed, it will always create a `button` element.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element.\n     *\n     * @param {Object} [attributes={}]\n     *        An object of attributes that should be set on the element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    _proto.createEl = function createEl(tag, props, attributes) {\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      tag = 'button';\n      props = assign({\n        innerHTML: '<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>',\n        className: this.buildCSSClass()\n      }, props); // Add attributes for button element\n\n      attributes = assign({\n        // Necessary since the default button type is \"submit\"\n        type: 'button'\n      }, attributes);\n      var el = Component.prototype.createEl.call(this, tag, props, attributes);\n      this.createControlTextEl(el);\n      return el;\n    }\n    /**\n     * Add a child `Component` inside of this `Button`.\n     *\n     * @param {string|Component} child\n     *        The name or instance of a child to add.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of options that will get passed to children of\n     *        the child.\n     *\n     * @return {Component}\n     *         The `Component` that gets added as a child. When using a string the\n     *         `Component` will get created by this process.\n     *\n     * @deprecated since version 5\n     */\n    ;\n\n    _proto.addChild = function addChild(child, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      var className = this.constructor.name;\n      log.warn(\"Adding an actionable (user controllable) child to a Button (\" + className + \") is not supported; use a ClickableComponent instead.\"); // Avoid the error message generated by ClickableComponent's addChild method\n\n      return Component.prototype.addChild.call(this, child, options);\n    }\n    /**\n     * Enable the `Button` element so that it can be activated or clicked. Use this with\n     * {@link Button#disable}.\n     */\n    ;\n\n    _proto.enable = function enable() {\n      _ClickableComponent.prototype.enable.call(this);\n\n      this.el_.removeAttribute('disabled');\n    }\n    /**\n     * Disable the `Button` element so that it cannot be activated or clicked. Use this with\n     * {@link Button#enable}.\n     */\n    ;\n\n    _proto.disable = function disable() {\n      _ClickableComponent.prototype.disable.call(this);\n\n      this.el_.setAttribute('disabled', 'disabled');\n    }\n    /**\n     * This gets called when a `Button` has focus and `keydown` is triggered via a key\n     * press.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to get called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Ignore Space or Enter key operation, which is handled by the browser for\n      // a button - though not for its super class, ClickableComponent. Also,\n      // prevent the event from propagating through the DOM and triggering Player\n      // hotkeys. We do not preventDefault here because we _want_ the browser to\n      // handle it.\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.stopPropagation();\n        return;\n      } // Pass keypress handling up for unsupported keys\n\n\n      _ClickableComponent.prototype.handleKeyDown.call(this, event);\n    };\n\n    return Button;\n  }(ClickableComponent);\n\n  Component.registerComponent('Button', Button);\n\n  /**\n   * The initial play button that shows before the video has played. The hiding of the\n   * `BigPlayButton` get done via CSS and `Player` states.\n   *\n   * @extends Button\n   */\n\n  var BigPlayButton = /*#__PURE__*/function (_Button) {\n    inheritsLoose(BigPlayButton, _Button);\n\n    function BigPlayButton(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n      _this.mouseused_ = false;\n\n      _this.on('mousedown', _this.handleMouseDown);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object. Always returns 'vjs-big-play-button'.\n     */\n\n\n    var _proto = BigPlayButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-big-play-button';\n    }\n    /**\n     * This gets called when a `BigPlayButton` \"clicked\". See {@link ClickableComponent}\n     * for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var playPromise = this.player_.play(); // exit early if clicked via the mouse\n\n      if (this.mouseused_ && event.clientX && event.clientY) {\n        var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;\n        silencePromise(playPromise);\n\n        if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where\n        // calling .focus() on the video element causes the video to go black,\n        // so we avoid it in that specific case\n        !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {\n          this.player_.tech(true).focus();\n        }\n\n        return;\n      }\n\n      var cb = this.player_.getChild('controlBar');\n      var playToggle = cb && cb.getChild('playToggle');\n\n      if (!playToggle) {\n        this.player_.tech(true).focus();\n        return;\n      }\n\n      var playFocus = function playFocus() {\n        return playToggle.focus();\n      };\n\n      if (isPromise(playPromise)) {\n        playPromise.then(playFocus, function () {});\n      } else {\n        this.setTimeout(playFocus, 1);\n      }\n    };\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      this.mouseused_ = false;\n\n      _Button.prototype.handleKeyDown.call(this, event);\n    };\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      this.mouseused_ = true;\n    };\n\n    return BigPlayButton;\n  }(Button);\n  /**\n   * The text that should display over the `BigPlayButton`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  BigPlayButton.prototype.controlText_ = 'Play Video';\n  Component.registerComponent('BigPlayButton', BigPlayButton);\n\n  /**\n   * The `CloseButton` is a `{@link Button}` that fires a `close` event when\n   * it gets clicked.\n   *\n   * @extends Button\n   */\n\n  var CloseButton = /*#__PURE__*/function (_Button) {\n    inheritsLoose(CloseButton, _Button);\n\n    /**\n    * Creates an instance of the this class.\n    *\n    * @param  {Player} player\n    *         The `Player` that this class should be attached to.\n    *\n    * @param  {Object} [options]\n    *         The key/value store of player options.\n    */\n    function CloseButton(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.controlText(options && options.controlText || _this.localize('Close'));\n\n      return _this;\n    }\n    /**\n    * Builds the default DOM `className`.\n    *\n    * @return {string}\n    *         The DOM `className` for this object.\n    */\n\n\n    var _proto = CloseButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-close-button \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when a `CloseButton` gets clicked. See\n     * {@link ClickableComponent#handleClick} for more information on when\n     * this will be triggered\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     * @fires CloseButton#close\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      /**\n       * Triggered when the a `CloseButton` is clicked.\n       *\n       * @event CloseButton#close\n       * @type {EventTarget~Event}\n       *\n       * @property {boolean} [bubbles=false]\n       *           set to false so that the close event does not\n       *           bubble up to parents if there is no listener\n       */\n      this.trigger({\n        type: 'close',\n        bubbles: false\n      });\n    }\n    /**\n     * Event handler that is called when a `CloseButton` receives a\n     * `keydown` event.\n     *\n     * By default, if the key is Esc, it will trigger a `click` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Esc button will trigger `click` event\n      if (keycode.isEventKey(event, 'Esc')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.trigger('click');\n      } else {\n        // Pass keypress handling up for unsupported keys\n        _Button.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return CloseButton;\n  }(Button);\n\n  Component.registerComponent('CloseButton', CloseButton);\n\n  /**\n   * Button to toggle between play and pause.\n   *\n   * @extends Button\n   */\n\n  var PlayToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(PlayToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function PlayToggle(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _Button.call(this, player, options) || this; // show or hide replay icon\n\n      options.replay = options.replay === undefined || options.replay;\n\n      _this.on(player, 'play', _this.handlePlay);\n\n      _this.on(player, 'pause', _this.handlePause);\n\n      if (options.replay) {\n        _this.on(player, 'ended', _this.handleEnded);\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = PlayToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-play-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when an `PlayToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.player_.paused()) {\n        this.player_.play();\n      } else {\n        this.player_.pause();\n      }\n    }\n    /**\n     * This gets called once after the video has ended and the user seeks so that\n     * we can change the replay button back to a play button.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#seeked\n     */\n    ;\n\n    _proto.handleSeeked = function handleSeeked(event) {\n      this.removeClass('vjs-ended');\n\n      if (this.player_.paused()) {\n        this.handlePause(event);\n      } else {\n        this.handlePlay(event);\n      }\n    }\n    /**\n     * Add the vjs-playing class to the element so it can change appearance.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#play\n     */\n    ;\n\n    _proto.handlePlay = function handlePlay(event) {\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-paused');\n      this.addClass('vjs-playing'); // change the button text to \"Pause\"\n\n      this.controlText('Pause');\n    }\n    /**\n     * Add the vjs-paused class to the element so it can change appearance.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#pause\n     */\n    ;\n\n    _proto.handlePause = function handlePause(event) {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-paused'); // change the button text to \"Play\"\n\n      this.controlText('Play');\n    }\n    /**\n     * Add the vjs-ended class to the element so it can change appearance\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#ended\n     */\n    ;\n\n    _proto.handleEnded = function handleEnded(event) {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-ended'); // change the button text to \"Replay\"\n\n      this.controlText('Replay'); // on the next seek remove the replay button\n\n      this.one(this.player_, 'seeked', this.handleSeeked);\n    };\n\n    return PlayToggle;\n  }(Button);\n  /**\n   * The text that should display over the `PlayToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlayToggle.prototype.controlText_ = 'Play';\n  Component.registerComponent('PlayToggle', PlayToggle);\n\n  /**\n   * @file format-time.js\n   * @module format-time\n   */\n\n  /**\n   * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in\n   * seconds) will force a number of leading zeros to cover the length of the\n   * guide.\n   *\n   * @private\n   * @param  {number} seconds\n   *         Number of seconds to be turned into a string\n   *\n   * @param  {number} guide\n   *         Number (in seconds) to model the string after\n   *\n   * @return {string}\n   *         Time formatted as H:MM:SS or M:SS\n   */\n  var defaultImplementation = function defaultImplementation(seconds, guide) {\n    seconds = seconds < 0 ? 0 : seconds;\n    var s = Math.floor(seconds % 60);\n    var m = Math.floor(seconds / 60 % 60);\n    var h = Math.floor(seconds / 3600);\n    var gm = Math.floor(guide / 60 % 60);\n    var gh = Math.floor(guide / 3600); // handle invalid times\n\n    if (isNaN(seconds) || seconds === Infinity) {\n      // '-' is false for all relational operators (e.g. <, >=) so this setting\n      // will add the minimum number of fields specified by the guide\n      h = m = s = '-';\n    } // Check if we need to show hours\n\n\n    h = h > 0 || gh > 0 ? h + ':' : ''; // If hours are showing, we may need to add a leading zero.\n    // Always show at least one digit of minutes.\n\n    m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':'; // Check if leading zero is need for seconds\n\n    s = s < 10 ? '0' + s : s;\n    return h + m + s;\n  }; // Internal pointer to the current implementation.\n\n\n  var implementation = defaultImplementation;\n  /**\n   * Replaces the default formatTime implementation with a custom implementation.\n   *\n   * @param {Function} customImplementation\n   *        A function which will be used in place of the default formatTime\n   *        implementation. Will receive the current time in seconds and the\n   *        guide (in seconds) as arguments.\n   */\n\n  function setFormatTime(customImplementation) {\n    implementation = customImplementation;\n  }\n  /**\n   * Resets formatTime to the default implementation.\n   */\n\n  function resetFormatTime() {\n    implementation = defaultImplementation;\n  }\n  /**\n   * Delegates to either the default time formatting function or a custom\n   * function supplied via `setFormatTime`.\n   *\n   * Formats seconds as a time string (H:MM:SS or M:SS). Supplying a\n   * guide (in seconds) will force a number of leading zeros to cover the\n   * length of the guide.\n   *\n   * @static\n   * @example  formatTime(125, 600) === \"02:05\"\n   * @param    {number} seconds\n   *           Number of seconds to be turned into a string\n   *\n   * @param    {number} guide\n   *           Number (in seconds) to model the string after\n   *\n   * @return   {string}\n   *           Time formatted as H:MM:SS or M:SS\n   */\n\n  function formatTime(seconds, guide) {\n    if (guide === void 0) {\n      guide = seconds;\n    }\n\n    return implementation(seconds, guide);\n  }\n\n  /**\n   * Displays time information about the video\n   *\n   * @extends Component\n   */\n\n  var TimeDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TimeDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.on(player, ['timeupdate', 'ended'], _this.updateContent);\n\n      _this.updateTextNode_();\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = TimeDisplay.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var className = this.buildCSSClass();\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: className + \" vjs-time-control vjs-control\",\n        innerHTML: \"<span class=\\\"vjs-control-text\\\" role=\\\"presentation\\\">\" + this.localize(this.labelText_) + \"\\xA0</span>\"\n      });\n\n      this.contentEl_ = createEl('span', {\n        className: className + \"-display\"\n      }, {\n        // tell screen readers not to automatically read the time as it changes\n        'aria-live': 'off',\n        // span elements have no implicit role, but some screen readers (notably VoiceOver)\n        // treat them as a break between items in the DOM when using arrow keys\n        // (or left-to-right swipes on iOS) to read contents of a page. Using\n        // role='presentation' causes VoiceOver to NOT treat this span as a break.\n        'role': 'presentation'\n      });\n      el.appendChild(this.contentEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.textNode_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Updates the time display text node with a new time\n     *\n     * @param {number} [time=0] the time to update to\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateTextNode_ = function updateTextNode_(time) {\n      var _this2 = this;\n\n      if (time === void 0) {\n        time = 0;\n      }\n\n      time = formatTime(time);\n\n      if (this.formattedTime_ === time) {\n        return;\n      }\n\n      this.formattedTime_ = time;\n      this.requestAnimationFrame(function () {\n        if (!_this2.contentEl_) {\n          return;\n        }\n\n        var oldNode = _this2.textNode_;\n        _this2.textNode_ = document.createTextNode(_this2.formattedTime_);\n\n        if (!_this2.textNode_) {\n          return;\n        }\n\n        if (oldNode) {\n          _this2.contentEl_.replaceChild(_this2.textNode_, oldNode);\n        } else {\n          _this2.contentEl_.appendChild(_this2.textNode_);\n        }\n      });\n    }\n    /**\n     * To be filled out in the child class, should update the displayed time\n     * in accordance with the fact that the current time has changed.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate`  event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {};\n\n    return TimeDisplay;\n  }(Component);\n  /**\n   * The text that is added to the `TimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  TimeDisplay.prototype.labelText_ = 'Time';\n  /**\n   * The text that should display over the `TimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  TimeDisplay.prototype.controlText_ = 'Time';\n  Component.registerComponent('TimeDisplay', TimeDisplay);\n\n  /**\n   * Displays the current time\n   *\n   * @extends Component\n   */\n\n  var CurrentTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(CurrentTimeDisplay, _TimeDisplay);\n\n    function CurrentTimeDisplay() {\n      return _TimeDisplay.apply(this, arguments) || this;\n    }\n\n    var _proto = CurrentTimeDisplay.prototype;\n\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-current-time';\n    }\n    /**\n     * Update current time display\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` event that caused this function to run.\n     *\n     * @listens Player#timeupdate\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      // Allows for smooth scrubbing, when player can't keep up.\n      var time;\n\n      if (this.player_.ended()) {\n        time = this.player_.duration();\n      } else {\n        time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n      }\n\n      this.updateTextNode_(time);\n    };\n\n    return CurrentTimeDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `CurrentTimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  CurrentTimeDisplay.prototype.labelText_ = 'Current Time';\n  /**\n   * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  CurrentTimeDisplay.prototype.controlText_ = 'Current Time';\n  Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);\n\n  /**\n   * Displays the duration\n   *\n   * @extends Component\n   */\n\n  var DurationDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(DurationDisplay, _TimeDisplay);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function DurationDisplay(player, options) {\n      var _this;\n\n      _this = _TimeDisplay.call(this, player, options) || this; // we do not want to/need to throttle duration changes,\n      // as they should always display the changed duration as\n      // it has changed\n\n      _this.on(player, 'durationchange', _this.updateContent); // Listen to loadstart because the player duration is reset when a new media element is loaded,\n      // but the durationchange on the user agent will not fire.\n      // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}\n\n\n      _this.on(player, 'loadstart', _this.updateContent); // Also listen for timeupdate (in the parent) and loadedmetadata because removing those\n      // listeners could have broken dependent applications/libraries. These\n      // can likely be removed for 7.0.\n\n\n      _this.on(player, 'loadedmetadata', _this.updateContent);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = DurationDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-duration';\n    }\n    /**\n     * Update duration time display.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused\n     *        this function to be called.\n     *\n     * @listens Player#durationchange\n     * @listens Player#timeupdate\n     * @listens Player#loadedmetadata\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      var duration = this.player_.duration();\n      this.updateTextNode_(duration);\n    };\n\n    return DurationDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `DurationDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  DurationDisplay.prototype.labelText_ = 'Duration';\n  /**\n   * The text that should display over the `DurationDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  DurationDisplay.prototype.controlText_ = 'Duration';\n  Component.registerComponent('DurationDisplay', DurationDisplay);\n\n  /**\n   * The separator between the current time and duration.\n   * Can be hidden if it's not needed in the design.\n   *\n   * @extends Component\n   */\n\n  var TimeDivider = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeDivider, _Component);\n\n    function TimeDivider() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = TimeDivider.prototype;\n\n    /**\n     * Create the component's DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-time-control vjs-time-divider',\n        innerHTML: '<div><span>/</span></div>'\n      }, {\n        // this element and its contents can be hidden from assistive techs since\n        // it is made extraneous by the announcement of the control text\n        // for the current time and duration displays\n        'aria-hidden': true\n      });\n    };\n\n    return TimeDivider;\n  }(Component);\n\n  Component.registerComponent('TimeDivider', TimeDivider);\n\n  /**\n   * Displays the time left in the video\n   *\n   * @extends Component\n   */\n\n  var RemainingTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(RemainingTimeDisplay, _TimeDisplay);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function RemainingTimeDisplay(player, options) {\n      var _this;\n\n      _this = _TimeDisplay.call(this, player, options) || this;\n\n      _this.on(player, 'durationchange', _this.updateContent);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = RemainingTimeDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-remaining-time';\n    }\n    /**\n     * Create the `Component`'s DOM element with the \"minus\" characted prepend to the time\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var el = _TimeDisplay.prototype.createEl.call(this);\n\n      el.insertBefore(createEl('span', {}, {\n        'aria-hidden': true\n      }, '-'), this.contentEl_);\n      return el;\n    }\n    /**\n     * Update remaining time display.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` or `durationchange` event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     * @listens Player#durationchange\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      if (typeof this.player_.duration() !== 'number') {\n        return;\n      }\n\n      var time; // @deprecated We should only use remainingTimeDisplay\n      // as of video.js 7\n\n      if (this.player_.ended()) {\n        time = 0;\n      } else if (this.player_.remainingTimeDisplay) {\n        time = this.player_.remainingTimeDisplay();\n      } else {\n        time = this.player_.remainingTime();\n      }\n\n      this.updateTextNode_(time);\n    };\n\n    return RemainingTimeDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `RemainingTimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time';\n  /**\n   * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';\n  Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);\n\n  /**\n   * Displays the live indicator when duration is Infinity.\n   *\n   * @extends Component\n   */\n\n  var LiveDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LiveDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function LiveDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.updateShowing();\n\n      _this.on(_this.player(), 'durationchange', _this.updateShowing);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = LiveDisplay.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-live-control vjs-control'\n      });\n\n      this.contentEl_ = createEl('div', {\n        className: 'vjs-live-display',\n        innerHTML: \"<span class=\\\"vjs-control-text\\\">\" + this.localize('Stream Type') + \"\\xA0</span>\" + this.localize('LIVE')\n      }, {\n        'aria-live': 'off'\n      });\n      el.appendChild(this.contentEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide\n     * it accordingly\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#durationchange} event that caused this function to run.\n     *\n     * @listens Player#durationchange\n     */\n    ;\n\n    _proto.updateShowing = function updateShowing(event) {\n      if (this.player().duration() === Infinity) {\n        this.show();\n      } else {\n        this.hide();\n      }\n    };\n\n    return LiveDisplay;\n  }(Component);\n\n  Component.registerComponent('LiveDisplay', LiveDisplay);\n\n  /**\n   * Displays the live indicator when duration is Infinity.\n   *\n   * @extends Component\n   */\n\n  var SeekToLive = /*#__PURE__*/function (_Button) {\n    inheritsLoose(SeekToLive, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function SeekToLive(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.updateLiveEdgeStatus();\n\n      if (_this.player_.liveTracker) {\n        _this.on(_this.player_.liveTracker, 'liveedgechange', _this.updateLiveEdgeStatus);\n      }\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = SeekToLive.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Button.prototype.createEl.call(this, 'button', {\n        className: 'vjs-seek-to-live-control vjs-control'\n      });\n\n      this.textEl_ = createEl('span', {\n        className: 'vjs-seek-to-live-text',\n        innerHTML: this.localize('LIVE')\n      }, {\n        'aria-hidden': 'true'\n      });\n      el.appendChild(this.textEl_);\n      return el;\n    }\n    /**\n     * Update the state of this button if we are at the live edge\n     * or not\n     */\n    ;\n\n    _proto.updateLiveEdgeStatus = function updateLiveEdgeStatus(e) {\n      // default to live edge\n      if (!this.player_.liveTracker || this.player_.liveTracker.atLiveEdge()) {\n        this.setAttribute('aria-disabled', true);\n        this.addClass('vjs-at-live-edge');\n        this.controlText('Seek to live, currently playing live');\n      } else {\n        this.setAttribute('aria-disabled', false);\n        this.removeClass('vjs-at-live-edge');\n        this.controlText('Seek to live, currently behind live');\n      }\n    }\n    /**\n     * On click bring us as near to the live point as possible.\n     * This requires that we wait for the next `live-seekable-change`\n     * event which will happen every segment length seconds.\n     */\n    ;\n\n    _proto.handleClick = function handleClick() {\n      this.player_.liveTracker.seekToLiveEdge();\n    }\n    /**\n     * Dispose of the element and stop tracking\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      if (this.player_.liveTracker) {\n        this.off(this.player_.liveTracker, 'liveedgechange', this.updateLiveEdgeStatus);\n      }\n\n      this.textEl_ = null;\n\n      _Button.prototype.dispose.call(this);\n    };\n\n    return SeekToLive;\n  }(Button);\n\n  SeekToLive.prototype.controlText_ = 'Seek to live, currently playing live';\n  Component.registerComponent('SeekToLive', SeekToLive);\n\n  /**\n   * Keep a number between a min and a max value\n   *\n   * @param {number} number\n   *        The number to clamp\n   *\n   * @param {number} min\n   *        The minimum value\n   * @param {number} max\n   *        The maximum value\n   *\n   * @return {number}\n   *         the clamped number\n   */\n  var clamp = function clamp(number, min, max) {\n    number = Number(number);\n    return Math.min(max, Math.max(min, isNaN(number) ? min : number));\n  };\n\n  /**\n   * The base functionality for a slider. Can be vertical or horizontal.\n   * For instance the volume bar or the seek bar on a video is a slider.\n   *\n   * @extends Component\n   */\n\n  var Slider = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Slider, _Component);\n\n    /**\n    * Create an instance of this class\n    *\n    * @param {Player} player\n    *        The `Player` that this class should be attached to.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    */\n    function Slider(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this; // Set property names to bar to match with the child Slider class is looking for\n\n      _this.bar = _this.getChild(_this.options_.barName); // Set a horizontal or vertical class on the slider depending on the slider type\n\n      _this.vertical(!!_this.options_.vertical);\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Are controls are currently enabled for this slider or not.\n     *\n     * @return {boolean}\n     *         true if controls are enabled, false otherwise\n     */\n\n\n    var _proto = Slider.prototype;\n\n    _proto.enabled = function enabled() {\n      return this.enabled_;\n    }\n    /**\n     * Enable controls for this slider if they are disabled\n     */\n    ;\n\n    _proto.enable = function enable() {\n      if (this.enabled()) {\n        return;\n      }\n\n      this.on('mousedown', this.handleMouseDown);\n      this.on('touchstart', this.handleMouseDown);\n      this.on('keydown', this.handleKeyDown);\n      this.on('click', this.handleClick); // TODO: deprecated, controlsvisible does not seem to be fired\n\n      this.on(this.player_, 'controlsvisible', this.update);\n\n      if (this.playerEvent) {\n        this.on(this.player_, this.playerEvent, this.update);\n      }\n\n      this.removeClass('disabled');\n      this.setAttribute('tabindex', 0);\n      this.enabled_ = true;\n    }\n    /**\n     * Disable controls for this slider if they are enabled\n     */\n    ;\n\n    _proto.disable = function disable() {\n      if (!this.enabled()) {\n        return;\n      }\n\n      var doc = this.bar.el_.ownerDocument;\n      this.off('mousedown', this.handleMouseDown);\n      this.off('touchstart', this.handleMouseDown);\n      this.off('keydown', this.handleKeyDown);\n      this.off('click', this.handleClick);\n      this.off(this.player_, 'controlsvisible', this.update);\n      this.off(doc, 'mousemove', this.handleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchmove', this.handleMouseMove);\n      this.off(doc, 'touchend', this.handleMouseUp);\n      this.removeAttribute('tabindex');\n      this.addClass('disabled');\n\n      if (this.playerEvent) {\n        this.off(this.player_, this.playerEvent, this.update);\n      }\n\n      this.enabled_ = false;\n    }\n    /**\n     * Create the `Slider`s DOM element.\n     *\n     * @param {string} type\n     *        Type of element to create.\n     *\n     * @param {Object} [props={}]\n     *        List of properties in Object form.\n     *\n     * @param {Object} [attributes={}]\n     *        list of attributes in Object form.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl(type, props, attributes) {\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      // Add the slider element class to all sub classes\n      props.className = props.className + ' vjs-slider';\n      props = assign({\n        tabIndex: 0\n      }, props);\n      attributes = assign({\n        'role': 'slider',\n        'aria-valuenow': 0,\n        'aria-valuemin': 0,\n        'aria-valuemax': 100,\n        'tabIndex': 0\n      }, attributes);\n      return _Component.prototype.createEl.call(this, type, props, attributes);\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `Slider`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     * @fires Slider#slideractive\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.bar.el_.ownerDocument;\n\n      if (event.type === 'mousedown') {\n        event.preventDefault();\n      } // Do not call preventDefault() on touchstart in Chrome\n      // to avoid console warnings. Use a 'touch-action: none' style\n      // instead to prevent unintented scrolling.\n      // https://developers.google.com/web/updates/2017/01/scrolling-intervention\n\n\n      if (event.type === 'touchstart' && !IS_CHROME) {\n        event.preventDefault();\n      }\n\n      blockTextSelection();\n      this.addClass('vjs-sliding');\n      /**\n       * Triggered when the slider is in an active state\n       *\n       * @event Slider#slideractive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('slideractive');\n      this.on(doc, 'mousemove', this.handleMouseMove);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchmove', this.handleMouseMove);\n      this.on(doc, 'touchend', this.handleMouseUp);\n      this.handleMouseMove(event);\n    }\n    /**\n     * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.\n     * The `mousemove` and `touchmove` events will only only trigger this function during\n     * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and\n     * {@link Slider#handleMouseUp}.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered\n     *        this function\n     *\n     * @listens mousemove\n     * @listens touchmove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {}\n    /**\n     * Handle `mouseup` or `touchend` events on the `Slider`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     * @fires Slider#sliderinactive\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp() {\n      var doc = this.bar.el_.ownerDocument;\n      unblockTextSelection();\n      this.removeClass('vjs-sliding');\n      /**\n       * Triggered when the slider is no longer in an active state.\n       *\n       * @event Slider#sliderinactive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('sliderinactive');\n      this.off(doc, 'mousemove', this.handleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchmove', this.handleMouseMove);\n      this.off(doc, 'touchend', this.handleMouseUp);\n      this.update();\n    }\n    /**\n     * Update the progress bar of the `Slider`.\n     *\n     * @return {number}\n     *          The percentage of progress the progress bar represents as a\n     *          number from 0 to 1.\n     */\n    ;\n\n    _proto.update = function update() {\n      var _this2 = this;\n\n      // In VolumeBar init we have a setTimeout for update that pops and update\n      // to the end of the execution stack. The player is destroyed before then\n      // update will cause an error\n      // If there's no bar...\n      if (!this.el_ || !this.bar) {\n        return;\n      } // clamp progress between 0 and 1\n      // and only round to four decimal places, as we round to two below\n\n\n      var progress = this.getProgress();\n\n      if (progress === this.progress_) {\n        return progress;\n      }\n\n      this.progress_ = progress;\n      this.requestAnimationFrame(function () {\n        // Set the new bar width or height\n        var sizeKey = _this2.vertical() ? 'height' : 'width'; // Convert to a percentage for css value\n\n        _this2.bar.el().style[sizeKey] = (progress * 100).toFixed(2) + '%';\n      });\n      return progress;\n    }\n    /**\n     * Get the percentage of the bar that should be filled\n     * but clamped and rounded.\n     *\n     * @return {number}\n     *         percentage filled that the slider is\n     */\n    ;\n\n    _proto.getProgress = function getProgress() {\n      return Number(clamp(this.getPercent(), 0, 1).toFixed(4));\n    }\n    /**\n     * Calculate distance for slider\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run.\n     *\n     * @return {number}\n     *         The current position of the Slider.\n     *         - position.x for vertical `Slider`s\n     *         - position.y for horizontal `Slider`s\n     */\n    ;\n\n    _proto.calculateDistance = function calculateDistance(event) {\n      var position = getPointerPosition(this.el_, event);\n\n      if (this.vertical()) {\n        return position.y;\n      }\n\n      return position.x;\n    }\n    /**\n     * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down\n     * arrow keys. This function will only be called when the slider has focus. See\n     * {@link Slider#handleFocus} and {@link Slider#handleBlur}.\n     *\n     * @param {EventTarget~Event} event\n     *        the `keydown` event that caused this function to run.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Left and Down Arrows\n      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepBack(); // Up and Right Arrows\n      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepForward();\n      } else {\n        // Pass keydown handling up for unsupported keys\n        _Component.prototype.handleKeyDown.call(this, event);\n      }\n    }\n    /**\n     * Listener for click events on slider, used to prevent clicks\n     *   from bubbling up to parent elements like button menus.\n     *\n     * @param {Object} event\n     *        Event that caused this object to run\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      event.stopPropagation();\n      event.preventDefault();\n    }\n    /**\n     * Get/set if slider is horizontal for vertical\n     *\n     * @param {boolean} [bool]\n     *        - true if slider is vertical,\n     *        - false is horizontal\n     *\n     * @return {boolean}\n     *         - true if slider is vertical, and getting\n     *         - false if the slider is horizontal, and getting\n     */\n    ;\n\n    _proto.vertical = function vertical(bool) {\n      if (bool === undefined) {\n        return this.vertical_ || false;\n      }\n\n      this.vertical_ = !!bool;\n\n      if (this.vertical_) {\n        this.addClass('vjs-slider-vertical');\n      } else {\n        this.addClass('vjs-slider-horizontal');\n      }\n    };\n\n    return Slider;\n  }(Component);\n\n  Component.registerComponent('Slider', Slider);\n\n  var percentify = function percentify(time, end) {\n    return clamp(time / end * 100, 0, 100).toFixed(2) + '%';\n  };\n  /**\n   * Shows loading progress\n   *\n   * @extends Component\n   */\n\n\n  var LoadProgressBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LoadProgressBar, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function LoadProgressBar(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.partEls_ = [];\n\n      _this.on(player, 'progress', _this.update);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = LoadProgressBar.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-load-progress'\n      });\n\n      var wrapper = createEl('span', {\n        className: 'vjs-control-text'\n      });\n      var loadedText = createEl('span', {\n        textContent: this.localize('Loaded')\n      });\n      var separator = document.createTextNode(': ');\n      this.percentageEl_ = createEl('span', {\n        className: 'vjs-control-text-loaded-percentage',\n        textContent: '0%'\n      });\n      el.appendChild(wrapper);\n      wrapper.appendChild(loadedText);\n      wrapper.appendChild(separator);\n      wrapper.appendChild(this.percentageEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.partEls_ = null;\n      this.percentageEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Update progress bar\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `progress` event that caused this function to run.\n     *\n     * @listens Player#progress\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var _this2 = this;\n\n      this.requestAnimationFrame(function () {\n        var liveTracker = _this2.player_.liveTracker;\n\n        var buffered = _this2.player_.buffered();\n\n        var duration = liveTracker && liveTracker.isLive() ? liveTracker.seekableEnd() : _this2.player_.duration();\n\n        var bufferedEnd = _this2.player_.bufferedEnd();\n\n        var children = _this2.partEls_;\n        var percent = percentify(bufferedEnd, duration);\n\n        if (_this2.percent_ !== percent) {\n          // update the width of the progress bar\n          _this2.el_.style.width = percent; // update the control-text\n\n          textContent(_this2.percentageEl_, percent);\n          _this2.percent_ = percent;\n        } // add child elements to represent the individual buffered time ranges\n\n\n        for (var i = 0; i < buffered.length; i++) {\n          var start = buffered.start(i);\n          var end = buffered.end(i);\n          var part = children[i];\n\n          if (!part) {\n            part = _this2.el_.appendChild(createEl());\n            children[i] = part;\n          } //  only update if changed\n\n\n          if (part.dataset.start === start && part.dataset.end === end) {\n            continue;\n          }\n\n          part.dataset.start = start;\n          part.dataset.end = end; // set the percent based on the width of the progress bar (bufferedEnd)\n\n          part.style.left = percentify(start, bufferedEnd);\n          part.style.width = percentify(end - start, bufferedEnd);\n        } // remove unused buffered range elements\n\n\n        for (var _i = children.length; _i > buffered.length; _i--) {\n          _this2.el_.removeChild(children[_i - 1]);\n        }\n\n        children.length = buffered.length;\n      });\n    };\n\n    return LoadProgressBar;\n  }(Component);\n\n  Component.registerComponent('LoadProgressBar', LoadProgressBar);\n\n  /**\n   * Time tooltips display a time above the progress bar.\n   *\n   * @extends Component\n   */\n\n  var TimeTooltip = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeTooltip, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TimeTooltip(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the time tooltip DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = TimeTooltip.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-time-tooltip'\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Updates the position of the time tooltip relative to the `SeekBar`.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint, content) {\n      var tooltipRect = getBoundingClientRect(this.el_);\n      var playerRect = getBoundingClientRect(this.player_.el());\n      var seekBarPointPx = seekBarRect.width * seekBarPoint; // do nothing if either rect isn't available\n      // for example, if the player isn't in the DOM for testing\n\n      if (!playerRect || !tooltipRect) {\n        return;\n      } // This is the space left of the `seekBarPoint` available within the bounds\n      // of the player. We calculate any gap between the left edge of the player\n      // and the left edge of the `SeekBar` and add the number of pixels in the\n      // `SeekBar` before hitting the `seekBarPoint`\n\n\n      var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx; // This is the space right of the `seekBarPoint` available within the bounds\n      // of the player. We calculate the number of pixels from the `seekBarPoint`\n      // to the right edge of the `SeekBar` and add to that any gap between the\n      // right edge of the `SeekBar` and the player.\n\n      var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right); // This is the number of pixels by which the tooltip will need to be pulled\n      // further to the right to center it over the `seekBarPoint`.\n\n      var pullTooltipBy = tooltipRect.width / 2; // Adjust the `pullTooltipBy` distance to the left or right depending on\n      // the results of the space calculations above.\n\n      if (spaceLeftOfPoint < pullTooltipBy) {\n        pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;\n      } else if (spaceRightOfPoint < pullTooltipBy) {\n        pullTooltipBy = spaceRightOfPoint;\n      } // Due to the imprecision of decimal/ratio based calculations and varying\n      // rounding behaviors, there are cases where the spacing adjustment is off\n      // by a pixel or two. This adds insurance to these calculations.\n\n\n      if (pullTooltipBy < 0) {\n        pullTooltipBy = 0;\n      } else if (pullTooltipBy > tooltipRect.width) {\n        pullTooltipBy = tooltipRect.width;\n      }\n\n      this.el_.style.right = \"-\" + pullTooltipBy + \"px\";\n      this.write(content);\n    }\n    /**\n     * Write the time to the tooltip DOM element.\n     *\n     * @param {string} content\n     *        The formatted time for the tooltip.\n     */\n    ;\n\n    _proto.write = function write(content) {\n      textContent(this.el_, content);\n    }\n    /**\n     * Updates the position of the time tooltip relative to the `SeekBar`.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     *\n     * @param {number} time\n     *        The time to update the tooltip to, not used during live playback\n     *\n     * @param {Function} cb\n     *        A function that will be called during the request animation frame\n     *        for tooltips that need to do additional animations from the default\n     */\n    ;\n\n    _proto.updateTime = function updateTime(seekBarRect, seekBarPoint, time, cb) {\n      var _this2 = this;\n\n      // If there is an existing rAF ID, cancel it so we don't over-queue.\n      if (this.rafId_) {\n        this.cancelAnimationFrame(this.rafId_);\n      }\n\n      this.rafId_ = this.requestAnimationFrame(function () {\n        var content;\n\n        var duration = _this2.player_.duration();\n\n        if (_this2.player_.liveTracker && _this2.player_.liveTracker.isLive()) {\n          var liveWindow = _this2.player_.liveTracker.liveWindow();\n\n          var secondsBehind = liveWindow - seekBarPoint * liveWindow;\n          content = (secondsBehind < 1 ? '' : '-') + formatTime(secondsBehind, liveWindow);\n        } else {\n          content = formatTime(time, duration);\n        }\n\n        _this2.update(seekBarRect, seekBarPoint, content);\n\n        if (cb) {\n          cb();\n        }\n      });\n    };\n\n    return TimeTooltip;\n  }(Component);\n\n  Component.registerComponent('TimeTooltip', TimeTooltip);\n\n  /**\n   * Used by {@link SeekBar} to display media playback progress as part of the\n   * {@link ProgressControl}.\n   *\n   * @extends Component\n   */\n\n  var PlayProgressBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(PlayProgressBar, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlayProgressBar(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the the DOM element for this class.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = PlayProgressBar.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-play-progress vjs-slider-bar'\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Enqueues updates to its own DOM as well as the DOM of its\n     * {@link TimeTooltip} child.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint) {\n      var timeTooltip = this.getChild('timeTooltip');\n\n      if (!timeTooltip) {\n        return;\n      }\n\n      var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n      timeTooltip.updateTime(seekBarRect, seekBarPoint, time);\n    };\n\n    return PlayProgressBar;\n  }(Component);\n  /**\n   * Default options for {@link PlayProgressBar}.\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  PlayProgressBar.prototype.options_ = {\n    children: []\n  }; // Time tooltips should not be added to a player on mobile devices\n\n  if (!IS_IOS && !IS_ANDROID) {\n    PlayProgressBar.prototype.options_.children.push('timeTooltip');\n  }\n\n  Component.registerComponent('PlayProgressBar', PlayProgressBar);\n\n  /**\n   * The {@link MouseTimeDisplay} component tracks mouse movement over the\n   * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}\n   * indicating the time which is represented by a given point in the\n   * {@link ProgressControl}.\n   *\n   * @extends Component\n   */\n\n  var MouseTimeDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MouseTimeDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function MouseTimeDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the DOM element for this class.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = MouseTimeDisplay.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-mouse-display'\n      });\n    }\n    /**\n     * Enqueues updates to its own DOM as well as the DOM of its\n     * {@link TimeTooltip} child.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint) {\n      var _this2 = this;\n\n      var time = seekBarPoint * this.player_.duration();\n      this.getChild('timeTooltip').updateTime(seekBarRect, seekBarPoint, time, function () {\n        _this2.el_.style.left = seekBarRect.width * seekBarPoint + \"px\";\n      });\n    };\n\n    return MouseTimeDisplay;\n  }(Component);\n  /**\n   * Default options for `MouseTimeDisplay`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  MouseTimeDisplay.prototype.options_ = {\n    children: ['timeTooltip']\n  };\n  Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);\n\n  var STEP_SECONDS = 5; // The multiplier of STEP_SECONDS that PgUp/PgDown move the timeline.\n\n  var PAGE_KEY_MULTIPLIER = 12;\n  /**\n   * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}\n   * as its `bar`.\n   *\n   * @extends Slider\n   */\n\n  var SeekBar = /*#__PURE__*/function (_Slider) {\n    inheritsLoose(SeekBar, _Slider);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function SeekBar(player, options) {\n      var _this;\n\n      _this = _Slider.call(this, player, options) || this;\n\n      _this.setEventHandlers_();\n\n      return _this;\n    }\n    /**\n     * Sets the event handlers\n     *\n     * @private\n     */\n\n\n    var _proto = SeekBar.prototype;\n\n    _proto.setEventHandlers_ = function setEventHandlers_() {\n      this.update_ = bind(this, this.update);\n      this.update = throttle(this.update_, UPDATE_REFRESH_INTERVAL);\n      this.on(this.player_, ['ended', 'durationchange', 'timeupdate'], this.update);\n\n      if (this.player_.liveTracker) {\n        this.on(this.player_.liveTracker, 'liveedgechange', this.update);\n      } // when playing, let's ensure we smoothly update the play progress bar\n      // via an interval\n\n\n      this.updateInterval = null;\n      this.on(this.player_, ['playing'], this.enableInterval_);\n      this.on(this.player_, ['ended', 'pause', 'waiting'], this.disableInterval_); // we don't need to update the play progress if the document is hidden,\n      // also, this causes the CPU to spike and eventually crash the page on IE11.\n\n      if ('hidden' in document && 'visibilityState' in document) {\n        this.on(document, 'visibilitychange', this.toggleVisibility_);\n      }\n    };\n\n    _proto.toggleVisibility_ = function toggleVisibility_(e) {\n      if (document.hidden) {\n        this.disableInterval_(e);\n      } else {\n        this.enableInterval_(); // we just switched back to the page and someone may be looking, so, update ASAP\n\n        this.update();\n      }\n    };\n\n    _proto.enableInterval_ = function enableInterval_() {\n      if (this.updateInterval) {\n        return;\n      }\n\n      this.updateInterval = this.setInterval(this.update, UPDATE_REFRESH_INTERVAL);\n    };\n\n    _proto.disableInterval_ = function disableInterval_(e) {\n      if (this.player_.liveTracker && this.player_.liveTracker.isLive() && e.type !== 'ended') {\n        return;\n      }\n\n      if (!this.updateInterval) {\n        return;\n      }\n\n      this.clearInterval(this.updateInterval);\n      this.updateInterval = null;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Slider.prototype.createEl.call(this, 'div', {\n        className: 'vjs-progress-holder'\n      }, {\n        'aria-label': this.localize('Progress Bar')\n      });\n    }\n    /**\n     * This function updates the play progress bar and accessibility\n     * attributes to whatever is passed in.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` or `ended` event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     *\n     * @return {number}\n     *          The current percent at a number from 0-1\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var _this2 = this;\n\n      var percent = _Slider.prototype.update.call(this);\n\n      this.requestAnimationFrame(function () {\n        var currentTime = _this2.player_.ended() ? _this2.player_.duration() : _this2.getCurrentTime_();\n        var liveTracker = _this2.player_.liveTracker;\n\n        var duration = _this2.player_.duration();\n\n        if (liveTracker && liveTracker.isLive()) {\n          duration = _this2.player_.liveTracker.liveCurrentTime();\n        }\n\n        if (_this2.percent_ !== percent) {\n          // machine readable value of progress bar (percentage complete)\n          _this2.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));\n\n          _this2.percent_ = percent;\n        }\n\n        if (_this2.currentTime_ !== currentTime || _this2.duration_ !== duration) {\n          // human readable value of progress bar (time complete)\n          _this2.el_.setAttribute('aria-valuetext', _this2.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));\n\n          _this2.currentTime_ = currentTime;\n          _this2.duration_ = duration;\n        } // update the progress bar time tooltip with the current time\n\n\n        if (_this2.bar) {\n          _this2.bar.update(getBoundingClientRect(_this2.el()), _this2.getProgress());\n        }\n      });\n      return percent;\n    }\n    /**\n     * Get the value of current time but allows for smooth scrubbing,\n     * when player can't keep up.\n     *\n     * @return {number}\n     *         The current time value to display\n     *\n     * @private\n     */\n    ;\n\n    _proto.getCurrentTime_ = function getCurrentTime_() {\n      return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n    }\n    /**\n     * Get the percentage of media played so far.\n     *\n     * @return {number}\n     *         The percentage of media played so far (0 to 1).\n     */\n    ;\n\n    _proto.getPercent = function getPercent() {\n      var currentTime = this.getCurrentTime_();\n      var percent;\n      var liveTracker = this.player_.liveTracker;\n\n      if (liveTracker && liveTracker.isLive()) {\n        percent = (currentTime - liveTracker.seekableStart()) / liveTracker.liveWindow(); // prevent the percent from changing at the live edge\n\n        if (liveTracker.atLiveEdge()) {\n          percent = 1;\n        }\n      } else {\n        percent = currentTime / this.player_.duration();\n      }\n\n      return percent;\n    }\n    /**\n     * Handle mouse down on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousedown` event that caused this to run.\n     *\n     * @listens mousedown\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      } // Stop event propagation to prevent double fire in progress-control.js\n\n\n      event.stopPropagation();\n      this.player_.scrubbing(true);\n      this.videoWasPlaying = !this.player_.paused();\n      this.player_.pause();\n\n      _Slider.prototype.handleMouseDown.call(this, event);\n    }\n    /**\n     * Handle mouse move on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this to run.\n     *\n     * @listens mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      var newTime;\n      var distance = this.calculateDistance(event);\n      var liveTracker = this.player_.liveTracker;\n\n      if (!liveTracker || !liveTracker.isLive()) {\n        newTime = distance * this.player_.duration(); // Don't let video end while scrubbing.\n\n        if (newTime === this.player_.duration()) {\n          newTime = newTime - 0.1;\n        }\n      } else {\n        var seekableStart = liveTracker.seekableStart();\n        var seekableEnd = liveTracker.liveCurrentTime();\n        newTime = seekableStart + distance * liveTracker.liveWindow(); // Don't let video end while scrubbing.\n\n        if (newTime >= seekableEnd) {\n          newTime = seekableEnd;\n        } // Compensate for precision differences so that currentTime is not less\n        // than seekable start\n\n\n        if (newTime <= seekableStart) {\n          newTime = seekableStart + 0.1;\n        } // On android seekableEnd can be Infinity sometimes,\n        // this will cause newTime to be Infinity, which is\n        // not a valid currentTime.\n\n\n        if (newTime === Infinity) {\n          return;\n        }\n      } // Set new time (tell player to seek to new time)\n\n\n      this.player_.currentTime(newTime);\n    };\n\n    _proto.enable = function enable() {\n      _Slider.prototype.enable.call(this);\n\n      var mouseTimeDisplay = this.getChild('mouseTimeDisplay');\n\n      if (!mouseTimeDisplay) {\n        return;\n      }\n\n      mouseTimeDisplay.show();\n    };\n\n    _proto.disable = function disable() {\n      _Slider.prototype.disable.call(this);\n\n      var mouseTimeDisplay = this.getChild('mouseTimeDisplay');\n\n      if (!mouseTimeDisplay) {\n        return;\n      }\n\n      mouseTimeDisplay.hide();\n    }\n    /**\n     * Handle mouse up on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseup` event that caused this to run.\n     *\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      _Slider.prototype.handleMouseUp.call(this, event); // Stop event propagation to prevent double fire in progress-control.js\n\n\n      if (event) {\n        event.stopPropagation();\n      }\n\n      this.player_.scrubbing(false);\n      /**\n       * Trigger timeupdate because we're done seeking and the time has changed.\n       * This is particularly useful for if the player is paused to time the time displays.\n       *\n       * @event Tech#timeupdate\n       * @type {EventTarget~Event}\n       */\n\n      this.player_.trigger({\n        type: 'timeupdate',\n        target: this,\n        manuallyTriggered: true\n      });\n\n      if (this.videoWasPlaying) {\n        silencePromise(this.player_.play());\n      } else {\n        // We're done seeking and the time has changed.\n        // If the player is paused, make sure we display the correct time on the seek bar.\n        this.update_();\n      }\n    }\n    /**\n     * Move more quickly fast forward for keyboard-only users\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);\n    }\n    /**\n     * Move more quickly rewind for keyboard-only users\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);\n    }\n    /**\n     * Toggles the playback state of the player\n     * This gets called when enter or space is used on the seekbar\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called\n     *\n     */\n    ;\n\n    _proto.handleAction = function handleAction(event) {\n      if (this.player_.paused()) {\n        this.player_.play();\n      } else {\n        this.player_.pause();\n      }\n    }\n    /**\n     * Called when this SeekBar has focus and a key gets pressed down.\n     * Supports the following keys:\n     *\n     *   Space or Enter key fire a click event\n     *   Home key moves to start of the timeline\n     *   End key moves to end of the timeline\n     *   Digit \"0\" through \"9\" keys move to 0%, 10% ... 80%, 90% of the timeline\n     *   PageDown key moves back a larger step than ArrowDown\n     *   PageUp key moves forward a large step\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.handleAction(event);\n      } else if (keycode.isEventKey(event, 'Home')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(0);\n      } else if (keycode.isEventKey(event, 'End')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.duration());\n      } else if (/^[0-9]$/.test(keycode(event))) {\n        event.preventDefault();\n        event.stopPropagation();\n        var gotoFraction = (keycode.codes[keycode(event)] - keycode.codes['0']) * 10.0 / 100.0;\n        this.player_.currentTime(this.player_.duration() * gotoFraction);\n      } else if (keycode.isEventKey(event, 'PgDn')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS * PAGE_KEY_MULTIPLIER);\n      } else if (keycode.isEventKey(event, 'PgUp')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS * PAGE_KEY_MULTIPLIER);\n      } else {\n        // Pass keydown handling up for unsupported keys\n        _Slider.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return SeekBar;\n  }(Slider);\n  /**\n   * Default options for the `SeekBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  SeekBar.prototype.options_ = {\n    children: ['loadProgressBar', 'playProgressBar'],\n    barName: 'playProgressBar'\n  }; // MouseTimeDisplay tooltips should not be added to a player on mobile devices\n\n  if (!IS_IOS && !IS_ANDROID) {\n    SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');\n  }\n\n  Component.registerComponent('SeekBar', SeekBar);\n\n  /**\n   * The Progress Control component contains the seek bar, load progress,\n   * and play progress.\n   *\n   * @extends Component\n   */\n\n  var ProgressControl = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ProgressControl, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function ProgressControl(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.handleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);\n      _this.throttledHandleMouseSeek = throttle(bind(assertThisInitialized(_this), _this.handleMouseSeek), UPDATE_REFRESH_INTERVAL);\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = ProgressControl.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-progress-control vjs-control'\n      });\n    }\n    /**\n     * When the mouse moves over the `ProgressControl`, the pointer position\n     * gets passed down to the `MouseTimeDisplay` component.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this function to run.\n     *\n     * @listen mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      var seekBar = this.getChild('seekBar');\n\n      if (!seekBar) {\n        return;\n      }\n\n      var playProgressBar = seekBar.getChild('playProgressBar');\n      var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');\n\n      if (!playProgressBar && !mouseTimeDisplay) {\n        return;\n      }\n\n      var seekBarEl = seekBar.el();\n      var seekBarRect = getBoundingClientRect(seekBarEl);\n      var seekBarPoint = getPointerPosition(seekBarEl, event).x; // The default skin has a gap on either side of the `SeekBar`. This means\n      // that it's possible to trigger this behavior outside the boundaries of\n      // the `SeekBar`. This ensures we stay within it at all times.\n\n      seekBarPoint = clamp(0, 1, seekBarPoint);\n\n      if (mouseTimeDisplay) {\n        mouseTimeDisplay.update(seekBarRect, seekBarPoint);\n      }\n\n      if (playProgressBar) {\n        playProgressBar.update(seekBarRect, seekBar.getProgress());\n      }\n    }\n    /**\n     * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.\n     *\n     * @method ProgressControl#throttledHandleMouseSeek\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this function to run.\n     *\n     * @listen mousemove\n     * @listen touchmove\n     */\n\n    /**\n     * Handle `mousemove` or `touchmove` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousemove\n     * @listens touchmove\n     */\n    ;\n\n    _proto.handleMouseSeek = function handleMouseSeek(event) {\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseMove(event);\n      }\n    }\n    /**\n     * Are controls are currently enabled for this progress control.\n     *\n     * @return {boolean}\n     *         true if controls are enabled, false otherwise\n     */\n    ;\n\n    _proto.enabled = function enabled() {\n      return this.enabled_;\n    }\n    /**\n     * Disable all controls on the progress control and its children\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.children().forEach(function (child) {\n        return child.disable && child.disable();\n      });\n\n      if (!this.enabled()) {\n        return;\n      }\n\n      this.off(['mousedown', 'touchstart'], this.handleMouseDown);\n      this.off(this.el_, 'mousemove', this.handleMouseMove);\n      this.handleMouseUp();\n      this.addClass('disabled');\n      this.enabled_ = false;\n    }\n    /**\n     * Enable all controls on the progress control and its children\n     */\n    ;\n\n    _proto.enable = function enable() {\n      this.children().forEach(function (child) {\n        return child.enable && child.enable();\n      });\n\n      if (this.enabled()) {\n        return;\n      }\n\n      this.on(['mousedown', 'touchstart'], this.handleMouseDown);\n      this.on(this.el_, 'mousemove', this.handleMouseMove);\n      this.removeClass('disabled');\n      this.enabled_ = true;\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.el_.ownerDocument;\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseDown(event);\n      }\n\n      this.on(doc, 'mousemove', this.throttledHandleMouseSeek);\n      this.on(doc, 'touchmove', this.throttledHandleMouseSeek);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mouseup` or `touchend` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      var doc = this.el_.ownerDocument;\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseUp(event);\n      }\n\n      this.off(doc, 'mousemove', this.throttledHandleMouseSeek);\n      this.off(doc, 'touchmove', this.throttledHandleMouseSeek);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchend', this.handleMouseUp);\n    };\n\n    return ProgressControl;\n  }(Component);\n  /**\n   * Default options for `ProgressControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ProgressControl.prototype.options_ = {\n    children: ['seekBar']\n  };\n  Component.registerComponent('ProgressControl', ProgressControl);\n\n  /**\n   * Toggle Picture-in-Picture mode\n   *\n   * @extends Button\n   */\n\n  var PictureInPictureToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(PictureInPictureToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @listens Player#enterpictureinpicture\n     * @listens Player#leavepictureinpicture\n     */\n    function PictureInPictureToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.on(player, ['enterpictureinpicture', 'leavepictureinpicture'], _this.handlePictureInPictureChange); // TODO: Activate button on player loadedmetadata event.\n      // TODO: Deactivate button on player emptied event.\n      // TODO: Deactivate button if disablepictureinpicture attribute is present.\n\n\n      if (!document.pictureInPictureEnabled) {\n        _this.disable();\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = PictureInPictureToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-picture-in-picture-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Handles enterpictureinpicture and leavepictureinpicture on the player and change control text accordingly.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#enterpictureinpicture} or {@link Player#leavepictureinpicture} event that caused this function to be\n     *        called.\n     *\n     * @listens Player#enterpictureinpicture\n     * @listens Player#leavepictureinpicture\n     */\n    ;\n\n    _proto.handlePictureInPictureChange = function handlePictureInPictureChange(event) {\n      if (this.player_.isInPictureInPicture()) {\n        this.controlText('Exit Picture-in-Picture');\n      } else {\n        this.controlText('Picture-in-Picture');\n      }\n    }\n    /**\n     * This gets called when an `PictureInPictureToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (!this.player_.isInPictureInPicture()) {\n        this.player_.requestPictureInPicture();\n      } else {\n        this.player_.exitPictureInPicture();\n      }\n    };\n\n    return PictureInPictureToggle;\n  }(Button);\n  /**\n   * The text that should display over the `PictureInPictureToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PictureInPictureToggle.prototype.controlText_ = 'Picture-in-Picture';\n  Component.registerComponent('PictureInPictureToggle', PictureInPictureToggle);\n\n  /**\n   * Toggle fullscreen video\n   *\n   * @extends Button\n   */\n\n  var FullscreenToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(FullscreenToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function FullscreenToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);\n\n      if (document[player.fsApi_.fullscreenEnabled] === false) {\n        _this.disable();\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = FullscreenToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-fullscreen-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Handles fullscreenchange on the player and change control text accordingly.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#fullscreenchange} event that caused this function to be\n     *        called.\n     *\n     * @listens Player#fullscreenchange\n     */\n    ;\n\n    _proto.handleFullscreenChange = function handleFullscreenChange(event) {\n      if (this.player_.isFullscreen()) {\n        this.controlText('Non-Fullscreen');\n      } else {\n        this.controlText('Fullscreen');\n      }\n    }\n    /**\n     * This gets called when an `FullscreenToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (!this.player_.isFullscreen()) {\n        this.player_.requestFullscreen();\n      } else {\n        this.player_.exitFullscreen();\n      }\n    };\n\n    return FullscreenToggle;\n  }(Button);\n  /**\n   * The text that should display over the `FullscreenToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  FullscreenToggle.prototype.controlText_ = 'Fullscreen';\n  Component.registerComponent('FullscreenToggle', FullscreenToggle);\n\n  /**\n   * Check if volume control is supported and if it isn't hide the\n   * `Component` that was passed  using the `vjs-hidden` class.\n   *\n   * @param {Component} self\n   *        The component that should be hidden if volume is unsupported\n   *\n   * @param {Player} player\n   *        A reference to the player\n   *\n   * @private\n   */\n  var checkVolumeSupport = function checkVolumeSupport(self, player) {\n    // hide volume controls when they're not supported by the current tech\n    if (player.tech_ && !player.tech_.featuresVolumeControl) {\n      self.addClass('vjs-hidden');\n    }\n\n    self.on(player, 'loadstart', function () {\n      if (!player.tech_.featuresVolumeControl) {\n        self.addClass('vjs-hidden');\n      } else {\n        self.removeClass('vjs-hidden');\n      }\n    });\n  };\n\n  /**\n   * Shows volume level\n   *\n   * @extends Component\n   */\n\n  var VolumeLevel = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumeLevel, _Component);\n\n    function VolumeLevel() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = VolumeLevel.prototype;\n\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-volume-level',\n        innerHTML: '<span class=\"vjs-control-text\"></span>'\n      });\n    };\n\n    return VolumeLevel;\n  }(Component);\n\n  Component.registerComponent('VolumeLevel', VolumeLevel);\n\n  /**\n   * The bar that contains the volume level and can be clicked on to adjust the level\n   *\n   * @extends Slider\n   */\n\n  var VolumeBar = /*#__PURE__*/function (_Slider) {\n    inheritsLoose(VolumeBar, _Slider);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function VolumeBar(player, options) {\n      var _this;\n\n      _this = _Slider.call(this, player, options) || this;\n\n      _this.on('slideractive', _this.updateLastVolume_);\n\n      _this.on(player, 'volumechange', _this.updateARIAAttributes);\n\n      player.ready(function () {\n        return _this.updateARIAAttributes();\n      });\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = VolumeBar.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Slider.prototype.createEl.call(this, 'div', {\n        className: 'vjs-volume-bar vjs-slider-bar'\n      }, {\n        'aria-label': this.localize('Volume Level'),\n        'aria-live': 'polite'\n      });\n    }\n    /**\n     * Handle mouse down on volume bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousedown` event that caused this to run.\n     *\n     * @listens mousedown\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      _Slider.prototype.handleMouseDown.call(this, event);\n    }\n    /**\n     * Handle movement events on the {@link VolumeMenuButton}.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run.\n     *\n     * @listens mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      this.checkMuted();\n      this.player_.volume(this.calculateDistance(event));\n    }\n    /**\n     * If the player is muted unmute it.\n     */\n    ;\n\n    _proto.checkMuted = function checkMuted() {\n      if (this.player_.muted()) {\n        this.player_.muted(false);\n      }\n    }\n    /**\n     * Get percent of volume level\n     *\n     * @return {number}\n     *         Volume level percent as a decimal number.\n     */\n    ;\n\n    _proto.getPercent = function getPercent() {\n      if (this.player_.muted()) {\n        return 0;\n      }\n\n      return this.player_.volume();\n    }\n    /**\n     * Increase volume level for keyboard users\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      this.checkMuted();\n      this.player_.volume(this.player_.volume() + 0.1);\n    }\n    /**\n     * Decrease volume level for keyboard users\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      this.checkMuted();\n      this.player_.volume(this.player_.volume() - 0.1);\n    }\n    /**\n     * Update ARIA accessibility attributes\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `volumechange` event that caused this function to run.\n     *\n     * @listens Player#volumechange\n     */\n    ;\n\n    _proto.updateARIAAttributes = function updateARIAAttributes(event) {\n      var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();\n      this.el_.setAttribute('aria-valuenow', ariaValue);\n      this.el_.setAttribute('aria-valuetext', ariaValue + '%');\n    }\n    /**\n     * Returns the current value of the player volume as a percentage\n     *\n     * @private\n     */\n    ;\n\n    _proto.volumeAsPercentage_ = function volumeAsPercentage_() {\n      return Math.round(this.player_.volume() * 100);\n    }\n    /**\n     * When user starts dragging the VolumeBar, store the volume and listen for\n     * the end of the drag. When the drag ends, if the volume was set to zero,\n     * set lastVolume to the stored volume.\n     *\n     * @listens slideractive\n     * @private\n     */\n    ;\n\n    _proto.updateLastVolume_ = function updateLastVolume_() {\n      var _this2 = this;\n\n      var volumeBeforeDrag = this.player_.volume();\n      this.one('sliderinactive', function () {\n        if (_this2.player_.volume() === 0) {\n          _this2.player_.lastVolume_(volumeBeforeDrag);\n        }\n      });\n    };\n\n    return VolumeBar;\n  }(Slider);\n  /**\n   * Default options for the `VolumeBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumeBar.prototype.options_ = {\n    children: ['volumeLevel'],\n    barName: 'volumeLevel'\n  };\n  /**\n   * Call the update event for this Slider when this event happens on the player.\n   *\n   * @type {string}\n   */\n\n  VolumeBar.prototype.playerEvent = 'volumechange';\n  Component.registerComponent('VolumeBar', VolumeBar);\n\n  /**\n   * The component for controlling the volume level\n   *\n   * @extends Component\n   */\n\n  var VolumeControl = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumeControl, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function VolumeControl(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.vertical = options.vertical || false; // Pass the vertical option down to the VolumeBar if\n      // the VolumeBar is turned on.\n\n      if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {\n        options.volumeBar = options.volumeBar || {};\n        options.volumeBar.vertical = options.vertical;\n      }\n\n      _this = _Component.call(this, player, options) || this; // hide this control if volume support is missing\n\n      checkVolumeSupport(assertThisInitialized(_this), player);\n      _this.throttledHandleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);\n\n      _this.on('mousedown', _this.handleMouseDown);\n\n      _this.on('touchstart', _this.handleMouseDown); // while the slider is active (the mouse has been pressed down and\n      // is dragging) or in focus we do not want to hide the VolumeBar\n\n\n      _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {\n        _this.volumeBar.addClass('vjs-slider-active');\n\n        _this.addClass('vjs-slider-active');\n\n        _this.trigger('slideractive');\n      });\n\n      _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {\n        _this.volumeBar.removeClass('vjs-slider-active');\n\n        _this.removeClass('vjs-slider-active');\n\n        _this.trigger('sliderinactive');\n      });\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = VolumeControl.prototype;\n\n    _proto.createEl = function createEl() {\n      var orientationClass = 'vjs-volume-horizontal';\n\n      if (this.options_.vertical) {\n        orientationClass = 'vjs-volume-vertical';\n      }\n\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: \"vjs-volume-control vjs-control \" + orientationClass\n      });\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.el_.ownerDocument;\n      this.on(doc, 'mousemove', this.throttledHandleMouseMove);\n      this.on(doc, 'touchmove', this.throttledHandleMouseMove);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mouseup` or `touchend` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      var doc = this.el_.ownerDocument;\n      this.off(doc, 'mousemove', this.throttledHandleMouseMove);\n      this.off(doc, 'touchmove', this.throttledHandleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      this.volumeBar.handleMouseMove(event);\n    };\n\n    return VolumeControl;\n  }(Component);\n  /**\n   * Default options for the `VolumeControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumeControl.prototype.options_ = {\n    children: ['volumeBar']\n  };\n  Component.registerComponent('VolumeControl', VolumeControl);\n\n  /**\n   * Check if muting volume is supported and if it isn't hide the mute toggle\n   * button.\n   *\n   * @param {Component} self\n   *        A reference to the mute toggle button\n   *\n   * @param {Player} player\n   *        A reference to the player\n   *\n   * @private\n   */\n  var checkMuteSupport = function checkMuteSupport(self, player) {\n    // hide mute toggle button if it's not supported by the current tech\n    if (player.tech_ && !player.tech_.featuresMuteControl) {\n      self.addClass('vjs-hidden');\n    }\n\n    self.on(player, 'loadstart', function () {\n      if (!player.tech_.featuresMuteControl) {\n        self.addClass('vjs-hidden');\n      } else {\n        self.removeClass('vjs-hidden');\n      }\n    });\n  };\n\n  /**\n   * A button component for muting the audio.\n   *\n   * @extends Button\n   */\n\n  var MuteToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(MuteToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function MuteToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this; // hide this control if volume support is missing\n\n      checkMuteSupport(assertThisInitialized(_this), player);\n\n      _this.on(player, ['loadstart', 'volumechange'], _this.update);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = MuteToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-mute-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when an `MuteToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var vol = this.player_.volume();\n      var lastVolume = this.player_.lastVolume_();\n\n      if (vol === 0) {\n        var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;\n        this.player_.volume(volumeToSet);\n        this.player_.muted(false);\n      } else {\n        this.player_.muted(this.player_.muted() ? false : true);\n      }\n    }\n    /**\n     * Update the `MuteToggle` button based on the state of `volume` and `muted`\n     * on the player.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#loadstart} event if this function was called\n     *        through an event.\n     *\n     * @listens Player#loadstart\n     * @listens Player#volumechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      this.updateIcon_();\n      this.updateControlText_();\n    }\n    /**\n     * Update the appearance of the `MuteToggle` icon.\n     *\n     * Possible states (given `level` variable below):\n     * - 0: crossed out\n     * - 1: zero bars of volume\n     * - 2: one bar of volume\n     * - 3: two bars of volume\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateIcon_ = function updateIcon_() {\n      var vol = this.player_.volume();\n      var level = 3; // in iOS when a player is loaded with muted attribute\n      // and volume is changed with a native mute button\n      // we want to make sure muted state is updated\n\n      if (IS_IOS && this.player_.tech_ && this.player_.tech_.el_) {\n        this.player_.muted(this.player_.tech_.el_.muted);\n      }\n\n      if (vol === 0 || this.player_.muted()) {\n        level = 0;\n      } else if (vol < 0.33) {\n        level = 1;\n      } else if (vol < 0.67) {\n        level = 2;\n      } // TODO improve muted icon classes\n\n\n      for (var i = 0; i < 4; i++) {\n        removeClass(this.el_, \"vjs-vol-\" + i);\n      }\n\n      addClass(this.el_, \"vjs-vol-\" + level);\n    }\n    /**\n     * If `muted` has changed on the player, update the control text\n     * (`title` attribute on `vjs-mute-control` element and content of\n     * `vjs-control-text` element).\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateControlText_ = function updateControlText_() {\n      var soundOff = this.player_.muted() || this.player_.volume() === 0;\n      var text = soundOff ? 'Unmute' : 'Mute';\n\n      if (this.controlText() !== text) {\n        this.controlText(text);\n      }\n    };\n\n    return MuteToggle;\n  }(Button);\n  /**\n   * The text that should display over the `MuteToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  MuteToggle.prototype.controlText_ = 'Mute';\n  Component.registerComponent('MuteToggle', MuteToggle);\n\n  /**\n   * A Component to contain the MuteToggle and VolumeControl so that\n   * they can work together.\n   *\n   * @extends Component\n   */\n\n  var VolumePanel = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumePanel, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function VolumePanel(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (typeof options.inline !== 'undefined') {\n        options.inline = options.inline;\n      } else {\n        options.inline = true;\n      } // pass the inline option down to the VolumeControl as vertical if\n      // the VolumeControl is on.\n\n\n      if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {\n        options.volumeControl = options.volumeControl || {};\n        options.volumeControl.vertical = !options.inline;\n      }\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.on(player, ['loadstart'], _this.volumePanelState_);\n\n      _this.on(_this.muteToggle, 'keyup', _this.handleKeyPress);\n\n      _this.on(_this.volumeControl, 'keyup', _this.handleVolumeControlKeyUp);\n\n      _this.on('keydown', _this.handleKeyPress);\n\n      _this.on('mouseover', _this.handleMouseOver);\n\n      _this.on('mouseout', _this.handleMouseOut); // while the slider is active (the mouse has been pressed down and\n      // is dragging) we do not want to hide the VolumeBar\n\n\n      _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);\n\n      _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);\n\n      return _this;\n    }\n    /**\n     * Add vjs-slider-active class to the VolumePanel\n     *\n     * @listens VolumeControl#slideractive\n     * @private\n     */\n\n\n    var _proto = VolumePanel.prototype;\n\n    _proto.sliderActive_ = function sliderActive_() {\n      this.addClass('vjs-slider-active');\n    }\n    /**\n     * Removes vjs-slider-active class to the VolumePanel\n     *\n     * @listens VolumeControl#sliderinactive\n     * @private\n     */\n    ;\n\n    _proto.sliderInactive_ = function sliderInactive_() {\n      this.removeClass('vjs-slider-active');\n    }\n    /**\n     * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel\n     * depending on MuteToggle and VolumeControl state\n     *\n     * @listens Player#loadstart\n     * @private\n     */\n    ;\n\n    _proto.volumePanelState_ = function volumePanelState_() {\n      // hide volume panel if neither volume control or mute toggle\n      // are displayed\n      if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) {\n        this.addClass('vjs-hidden');\n      } // if only mute toggle is visible we don't want\n      // volume panel expanding when hovered or active\n\n\n      if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) {\n        this.addClass('vjs-mute-toggle-only');\n      }\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var orientationClass = 'vjs-volume-panel-horizontal';\n\n      if (!this.options_.inline) {\n        orientationClass = 'vjs-volume-panel-vertical';\n      }\n\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: \"vjs-volume-panel vjs-control \" + orientationClass\n      });\n    }\n    /**\n     * Dispose of the `volume-panel` and all child components.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.handleMouseOut();\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Handles `keyup` events on the `VolumeControl`, looking for ESC, which closes\n     * the volume panel and sets focus on `MuteToggle`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keyup` event that caused this function to be called.\n     *\n     * @listens keyup\n     */\n    ;\n\n    _proto.handleVolumeControlKeyUp = function handleVolumeControlKeyUp(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        this.muteToggle.focus();\n      }\n    }\n    /**\n     * This gets called when a `VolumePanel` gains hover via a `mouseover` event.\n     * Turns on listening for `mouseover` event. When they happen it\n     * calls `this.handleMouseOver`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseover` event that caused this function to be called.\n     *\n     * @listens mouseover\n     */\n    ;\n\n    _proto.handleMouseOver = function handleMouseOver(event) {\n      this.addClass('vjs-hover');\n      on(document, 'keyup', bind(this, this.handleKeyPress));\n    }\n    /**\n     * This gets called when a `VolumePanel` gains hover via a `mouseout` event.\n     * Turns on listening for `mouseout` event. When they happen it\n     * calls `this.handleMouseOut`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseout` event that caused this function to be called.\n     *\n     * @listens mouseout\n     */\n    ;\n\n    _proto.handleMouseOut = function handleMouseOut(event) {\n      this.removeClass('vjs-hover');\n      off(document, 'keyup', bind(this, this.handleKeyPress));\n    }\n    /**\n     * Handles `keyup` event on the document or `keydown` event on the `VolumePanel`,\n     * looking for ESC, which hides the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        The keypress that triggered this event.\n     *\n     * @listens keydown | keyup\n     */\n    ;\n\n    _proto.handleKeyPress = function handleKeyPress(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        this.handleMouseOut();\n      }\n    };\n\n    return VolumePanel;\n  }(Component);\n  /**\n   * Default options for the `VolumeControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumePanel.prototype.options_ = {\n    children: ['muteToggle', 'volumeControl']\n  };\n  Component.registerComponent('VolumePanel', VolumePanel);\n\n  /**\n   * The Menu component is used to build popup menus, including subtitle and\n   * captions selection menus.\n   *\n   * @extends Component\n   */\n\n  var Menu = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Menu, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        the player that this component should attach to\n     *\n     * @param {Object} [options]\n     *        Object of option names and values\n     *\n     */\n    function Menu(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      if (options) {\n        _this.menuButton_ = options.menuButton;\n      }\n\n      _this.focusedChild_ = -1;\n\n      _this.on('keydown', _this.handleKeyDown); // All the menu item instances share the same blur handler provided by the menu container.\n\n\n      _this.boundHandleBlur_ = bind(assertThisInitialized(_this), _this.handleBlur);\n      _this.boundHandleTapClick_ = bind(assertThisInitialized(_this), _this.handleTapClick);\n      return _this;\n    }\n    /**\n     * Add event listeners to the {@link MenuItem}.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem` to add listeners to.\n     *\n     */\n\n\n    var _proto = Menu.prototype;\n\n    _proto.addEventListenerForItem = function addEventListenerForItem(component) {\n      if (!(component instanceof Component)) {\n        return;\n      }\n\n      this.on(component, 'blur', this.boundHandleBlur_);\n      this.on(component, ['tap', 'click'], this.boundHandleTapClick_);\n    }\n    /**\n     * Remove event listeners from the {@link MenuItem}.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem` to remove listeners.\n     *\n     */\n    ;\n\n    _proto.removeEventListenerForItem = function removeEventListenerForItem(component) {\n      if (!(component instanceof Component)) {\n        return;\n      }\n\n      this.off(component, 'blur', this.boundHandleBlur_);\n      this.off(component, ['tap', 'click'], this.boundHandleTapClick_);\n    }\n    /**\n     * This method will be called indirectly when the component has been added\n     * before the component adds to the new menu instance by `addItem`.\n     * In this case, the original menu instance will remove the component\n     * by calling `removeChild`.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem`\n     */\n    ;\n\n    _proto.removeChild = function removeChild(component) {\n      if (typeof component === 'string') {\n        component = this.getChild(component);\n      }\n\n      this.removeEventListenerForItem(component);\n\n      _Component.prototype.removeChild.call(this, component);\n    }\n    /**\n     * Add a {@link MenuItem} to the menu.\n     *\n     * @param {Object|string} component\n     *        The name or instance of the `MenuItem` to add.\n     *\n     */\n    ;\n\n    _proto.addItem = function addItem(component) {\n      var childComponent = this.addChild(component);\n\n      if (childComponent) {\n        this.addEventListenerForItem(childComponent);\n      }\n    }\n    /**\n     * Create the `Menu`s DOM element.\n     *\n     * @return {Element}\n     *         the element that was created\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var contentElType = this.options_.contentElType || 'ul';\n      this.contentEl_ = createEl(contentElType, {\n        className: 'vjs-menu-content'\n      });\n      this.contentEl_.setAttribute('role', 'menu');\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        append: this.contentEl_,\n        className: 'vjs-menu'\n      });\n\n      el.appendChild(this.contentEl_); // Prevent clicks from bubbling up. Needed for Menu Buttons,\n      // where a click on the parent is significant\n\n      on(el, 'click', function (event) {\n        event.preventDefault();\n        event.stopImmediatePropagation();\n      });\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.boundHandleBlur_ = null;\n      this.boundHandleTapClick_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Called when a `MenuItem` loses focus.\n     *\n     * @param {EventTarget~Event} event\n     *        The `blur` event that caused this function to be called.\n     *\n     * @listens blur\n     */\n    ;\n\n    _proto.handleBlur = function handleBlur(event) {\n      var relatedTarget = event.relatedTarget || document.activeElement; // Close menu popup when a user clicks outside the menu\n\n      if (!this.children().some(function (element) {\n        return element.el() === relatedTarget;\n      })) {\n        var btn = this.menuButton_;\n\n        if (btn && btn.buttonPressed_ && relatedTarget !== btn.el().firstChild) {\n          btn.unpressButton();\n        }\n      }\n    }\n    /**\n     * Called when a `MenuItem` gets clicked or tapped.\n     *\n     * @param {EventTarget~Event} event\n     *        The `click` or `tap` event that caused this function to be called.\n     *\n     * @listens click,tap\n     */\n    ;\n\n    _proto.handleTapClick = function handleTapClick(event) {\n      // Unpress the associated MenuButton, and move focus back to it\n      if (this.menuButton_) {\n        this.menuButton_.unpressButton();\n        var childComponents = this.children();\n\n        if (!Array.isArray(childComponents)) {\n          return;\n        }\n\n        var foundComponent = childComponents.filter(function (component) {\n          return component.el() === event.target;\n        })[0];\n\n        if (!foundComponent) {\n          return;\n        } // don't focus menu button if item is a caption settings item\n        // because focus will move elsewhere\n\n\n        if (foundComponent.name() !== 'CaptionSettingsMenuItem') {\n          this.menuButton_.focus();\n        }\n      }\n    }\n    /**\n     * Handle a `keydown` event on this menu. This listener is added in the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        A `keydown` event that happened on the menu.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Left and Down Arrows\n      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepForward(); // Up and Right Arrows\n      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepBack();\n      }\n    }\n    /**\n     * Move to next (lower) menu item for keyboard users.\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      var stepChild = 0;\n\n      if (this.focusedChild_ !== undefined) {\n        stepChild = this.focusedChild_ + 1;\n      }\n\n      this.focus(stepChild);\n    }\n    /**\n     * Move to previous (higher) menu item for keyboard users.\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      var stepChild = 0;\n\n      if (this.focusedChild_ !== undefined) {\n        stepChild = this.focusedChild_ - 1;\n      }\n\n      this.focus(stepChild);\n    }\n    /**\n     * Set focus on a {@link MenuItem} in the `Menu`.\n     *\n     * @param {Object|string} [item=0]\n     *        Index of child item set focus on.\n     */\n    ;\n\n    _proto.focus = function focus(item) {\n      if (item === void 0) {\n        item = 0;\n      }\n\n      var children = this.children().slice();\n      var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);\n\n      if (haveTitle) {\n        children.shift();\n      }\n\n      if (children.length > 0) {\n        if (item < 0) {\n          item = 0;\n        } else if (item >= children.length) {\n          item = children.length - 1;\n        }\n\n        this.focusedChild_ = item;\n        children[item].el_.focus();\n      }\n    };\n\n    return Menu;\n  }(Component);\n\n  Component.registerComponent('Menu', Menu);\n\n  /**\n   * A `MenuButton` class for any popup {@link Menu}.\n   *\n   * @extends Component\n   */\n\n  var MenuButton = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MenuButton, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function MenuButton(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _Component.call(this, player, options) || this;\n      _this.menuButton_ = new Button(player, options);\n\n      _this.menuButton_.controlText(_this.controlText_);\n\n      _this.menuButton_.el_.setAttribute('aria-haspopup', 'true'); // Add buildCSSClass values to the button, not the wrapper\n\n\n      var buttonClass = Button.prototype.buildCSSClass();\n      _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;\n\n      _this.menuButton_.removeClass('vjs-control');\n\n      _this.addChild(_this.menuButton_);\n\n      _this.update();\n\n      _this.enabled_ = true;\n\n      _this.on(_this.menuButton_, 'tap', _this.handleClick);\n\n      _this.on(_this.menuButton_, 'click', _this.handleClick);\n\n      _this.on(_this.menuButton_, 'keydown', _this.handleKeyDown);\n\n      _this.on(_this.menuButton_, 'mouseenter', function () {\n        _this.addClass('vjs-hover');\n\n        _this.menu.show();\n\n        on(document, 'keyup', bind(assertThisInitialized(_this), _this.handleMenuKeyUp));\n      });\n\n      _this.on('mouseleave', _this.handleMouseLeave);\n\n      _this.on('keydown', _this.handleSubmenuKeyDown);\n\n      return _this;\n    }\n    /**\n     * Update the menu based on the current state of its items.\n     */\n\n\n    var _proto = MenuButton.prototype;\n\n    _proto.update = function update() {\n      var menu = this.createMenu();\n\n      if (this.menu) {\n        this.menu.dispose();\n        this.removeChild(this.menu);\n      }\n\n      this.menu = menu;\n      this.addChild(menu);\n      /**\n       * Track the state of the menu button\n       *\n       * @type {Boolean}\n       * @private\n       */\n\n      this.buttonPressed_ = false;\n      this.menuButton_.el_.setAttribute('aria-expanded', 'false');\n\n      if (this.items && this.items.length <= this.hideThreshold_) {\n        this.hide();\n      } else {\n        this.show();\n      }\n    }\n    /**\n     * Create the menu and add all items to it.\n     *\n     * @return {Menu}\n     *         The constructed menu\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      var menu = new Menu(this.player_, {\n        menuButton: this\n      });\n      /**\n       * Hide the menu if the number of items is less than or equal to this threshold. This defaults\n       * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list\n       * it here because every time we run `createMenu` we need to reset the value.\n       *\n       * @protected\n       * @type {Number}\n       */\n\n      this.hideThreshold_ = 0; // Add a title list item to the top\n\n      if (this.options_.title) {\n        var titleEl = createEl('li', {\n          className: 'vjs-menu-title',\n          innerHTML: toTitleCase(this.options_.title),\n          tabIndex: -1\n        });\n        this.hideThreshold_ += 1;\n        var titleComponent = new Component(this.player_, {\n          el: titleEl\n        });\n        menu.addItem(titleComponent);\n      }\n\n      this.items = this.createItems();\n\n      if (this.items) {\n        // Add menu items to the menu\n        for (var i = 0; i < this.items.length; i++) {\n          menu.addItem(this.items[i]);\n        }\n      }\n\n      return menu;\n    }\n    /**\n     * Create the list of menu items. Specific to each subclass.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.createItems = function createItems() {}\n    /**\n     * Create the `MenuButtons`s DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildWrapperCSSClass()\n      }, {});\n    }\n    /**\n     * Allow sub components to stack CSS class names for the wrapper element\n     *\n     * @return {string}\n     *         The constructed wrapper DOM `className`\n     */\n    ;\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.\n\n      if (this.options_.inline === true) {\n        menuButtonClass += '-inline';\n      } else {\n        menuButtonClass += '-popup';\n      } // TODO: Fix the CSS so that this isn't necessary\n\n\n      var buttonClass = Button.prototype.buildCSSClass();\n      return \"vjs-menu-button \" + menuButtonClass + \" \" + buttonClass + \" \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.\n\n      if (this.options_.inline === true) {\n        menuButtonClass += '-inline';\n      } else {\n        menuButtonClass += '-popup';\n      }\n\n      return \"vjs-menu-button \" + menuButtonClass + \" \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Get or set the localized control text that will be used for accessibility.\n     *\n     * > NOTE: This will come from the internal `menuButton_` element.\n     *\n     * @param {string} [text]\n     *        Control text for element.\n     *\n     * @param {Element} [el=this.menuButton_.el()]\n     *        Element to set the title on.\n     *\n     * @return {string}\n     *         - The control text when getting\n     */\n    ;\n\n    _proto.controlText = function controlText(text, el) {\n      if (el === void 0) {\n        el = this.menuButton_.el();\n      }\n\n      return this.menuButton_.controlText(text, el);\n    }\n    /**\n     * Dispose of the `menu-button` and all child components.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.handleMouseLeave();\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Handle a click on a `MenuButton`.\n     * See {@link ClickableComponent#handleClick} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.buttonPressed_) {\n        this.unpressButton();\n      } else {\n        this.pressButton();\n      }\n    }\n    /**\n     * Handle `mouseleave` for `MenuButton`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseleave` event that caused this function to be called.\n     *\n     * @listens mouseleave\n     */\n    ;\n\n    _proto.handleMouseLeave = function handleMouseLeave(event) {\n      this.removeClass('vjs-hover');\n      off(document, 'keyup', bind(this, this.handleMenuKeyUp));\n    }\n    /**\n     * Set the focus to the actual button, not to this element\n     */\n    ;\n\n    _proto.focus = function focus() {\n      this.menuButton_.focus();\n    }\n    /**\n     * Remove the focus from the actual button, not this element\n     */\n    ;\n\n    _proto.blur = function blur() {\n      this.menuButton_.blur();\n    }\n    /**\n     * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See\n     * {@link ClickableComponent#handleKeyDown} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Escape or Tab unpress the 'button'\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        if (this.buttonPressed_) {\n          this.unpressButton();\n        } // Don't preventDefault for Tab key - we still want to lose focus\n\n\n        if (!keycode.isEventKey(event, 'Tab')) {\n          event.preventDefault(); // Set focus back to the menu button's button\n\n          this.menuButton_.focus();\n        } // Up Arrow or Down Arrow also 'press' the button to open the menu\n\n      } else if (keycode.isEventKey(event, 'Up') || keycode.isEventKey(event, 'Down')) {\n        if (!this.buttonPressed_) {\n          event.preventDefault();\n          this.pressButton();\n        }\n      }\n    }\n    /**\n     * Handle a `keyup` event on a `MenuButton`. The listener for this is added in\n     * the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        Key press event\n     *\n     * @listens keyup\n     */\n    ;\n\n    _proto.handleMenuKeyUp = function handleMenuKeyUp(event) {\n      // Escape hides popup menu\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        this.removeClass('vjs-hover');\n      }\n    }\n    /**\n     * This method name now delegates to `handleSubmenuKeyDown`. This means\n     * anyone calling `handleSubmenuKeyPress` will not see their method calls\n     * stop working.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {\n      this.handleSubmenuKeyDown(event);\n    }\n    /**\n     * Handle a `keydown` event on a sub-menu. The listener for this is added in\n     * the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        Key press event\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleSubmenuKeyDown = function handleSubmenuKeyDown(event) {\n      // Escape or Tab unpress the 'button'\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        if (this.buttonPressed_) {\n          this.unpressButton();\n        } // Don't preventDefault for Tab key - we still want to lose focus\n\n\n        if (!keycode.isEventKey(event, 'Tab')) {\n          event.preventDefault(); // Set focus back to the menu button's button\n\n          this.menuButton_.focus();\n        }\n      }\n    }\n    /**\n     * Put the current `MenuButton` into a pressed state.\n     */\n    ;\n\n    _proto.pressButton = function pressButton() {\n      if (this.enabled_) {\n        this.buttonPressed_ = true;\n        this.menu.show();\n        this.menu.lockShowing();\n        this.menuButton_.el_.setAttribute('aria-expanded', 'true'); // set the focus into the submenu, except on iOS where it is resulting in\n        // undesired scrolling behavior when the player is in an iframe\n\n        if (IS_IOS && isInFrame()) {\n          // Return early so that the menu isn't focused\n          return;\n        }\n\n        this.menu.focus();\n      }\n    }\n    /**\n     * Take the current `MenuButton` out of a pressed state.\n     */\n    ;\n\n    _proto.unpressButton = function unpressButton() {\n      if (this.enabled_) {\n        this.buttonPressed_ = false;\n        this.menu.unlockShowing();\n        this.menu.hide();\n        this.menuButton_.el_.setAttribute('aria-expanded', 'false');\n      }\n    }\n    /**\n     * Disable the `MenuButton`. Don't allow it to be clicked.\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.unpressButton();\n      this.enabled_ = false;\n      this.addClass('vjs-disabled');\n      this.menuButton_.disable();\n    }\n    /**\n     * Enable the `MenuButton`. Allow it to be clicked.\n     */\n    ;\n\n    _proto.enable = function enable() {\n      this.enabled_ = true;\n      this.removeClass('vjs-disabled');\n      this.menuButton_.enable();\n    };\n\n    return MenuButton;\n  }(Component);\n\n  Component.registerComponent('MenuButton', MenuButton);\n\n  /**\n   * The base class for buttons that toggle specific  track types (e.g. subtitles).\n   *\n   * @extends MenuButton\n   */\n\n  var TrackButton = /*#__PURE__*/function (_MenuButton) {\n    inheritsLoose(TrackButton, _MenuButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TrackButton(player, options) {\n      var _this;\n\n      var tracks = options.tracks;\n      _this = _MenuButton.call(this, player, options) || this;\n\n      if (_this.items.length <= 1) {\n        _this.hide();\n      }\n\n      if (!tracks) {\n        return assertThisInitialized(_this);\n      }\n\n      var updateHandler = bind(assertThisInitialized(_this), _this.update);\n      tracks.addEventListener('removetrack', updateHandler);\n      tracks.addEventListener('addtrack', updateHandler);\n\n      _this.player_.on('ready', updateHandler);\n\n      _this.player_.on('dispose', function () {\n        tracks.removeEventListener('removetrack', updateHandler);\n        tracks.removeEventListener('addtrack', updateHandler);\n      });\n\n      return _this;\n    }\n\n    return TrackButton;\n  }(MenuButton);\n\n  Component.registerComponent('TrackButton', TrackButton);\n\n  /**\n   * @file menu-keys.js\n   */\n\n  /**\n    * All keys used for operation of a menu (`MenuButton`, `Menu`, and `MenuItem`)\n    * Note that 'Enter' and 'Space' are not included here (otherwise they would\n    * prevent the `MenuButton` and `MenuItem` from being keyboard-clickable)\n    * @typedef MenuKeys\n    * @array\n    */\n  var MenuKeys = ['Tab', 'Esc', 'Up', 'Down', 'Right', 'Left'];\n\n  /**\n   * The component for a menu item. `<li>`\n   *\n   * @extends ClickableComponent\n   */\n\n  var MenuItem = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(MenuItem, _ClickableComponent);\n\n    /**\n     * Creates an instance of the this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     *\n     */\n    function MenuItem(player, options) {\n      var _this;\n\n      _this = _ClickableComponent.call(this, player, options) || this;\n      _this.selectable = options.selectable;\n      _this.isSelected_ = options.selected || false;\n      _this.multiSelectable = options.multiSelectable;\n\n      _this.selected(_this.isSelected_);\n\n      if (_this.selectable) {\n        if (_this.multiSelectable) {\n          _this.el_.setAttribute('role', 'menuitemcheckbox');\n        } else {\n          _this.el_.setAttribute('role', 'menuitemradio');\n        }\n      } else {\n        _this.el_.setAttribute('role', 'menuitem');\n      }\n\n      return _this;\n    }\n    /**\n     * Create the `MenuItem's DOM element\n     *\n     * @param {string} [type=li]\n     *        Element's node type, not actually used, always set to `li`.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element\n     *\n     * @param {Object} [attrs={}]\n     *        An object of attributes that should be set on the element\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n\n\n    var _proto = MenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      // The control is textual, not just an icon\n      this.nonIconControl = true;\n      return _ClickableComponent.prototype.createEl.call(this, 'li', assign({\n        className: 'vjs-menu-item',\n        innerHTML: \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label) + \"</span>\",\n        tabIndex: -1\n      }, props), attrs);\n    }\n    /**\n     * Ignore keys which are used by the menu, but pass any other ones up. See\n     * {@link ClickableComponent#handleKeyDown} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (!MenuKeys.some(function (key) {\n        return keycode.isEventKey(event, key);\n      })) {\n        // Pass keydown handling up for unused keys\n        _ClickableComponent.prototype.handleKeyDown.call(this, event);\n      }\n    }\n    /**\n     * Any click on a `MenuItem` puts it into the selected state.\n     * See {@link ClickableComponent#handleClick} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      this.selected(true);\n    }\n    /**\n     * Set the state for this menu item as selected or not.\n     *\n     * @param {boolean} selected\n     *        if the menu item is selected or not\n     */\n    ;\n\n    _proto.selected = function selected(_selected) {\n      if (this.selectable) {\n        if (_selected) {\n          this.addClass('vjs-selected');\n          this.el_.setAttribute('aria-checked', 'true'); // aria-checked isn't fully supported by browsers/screen readers,\n          // so indicate selected state to screen reader in the control text.\n\n          this.controlText(', selected');\n          this.isSelected_ = true;\n        } else {\n          this.removeClass('vjs-selected');\n          this.el_.setAttribute('aria-checked', 'false'); // Indicate un-selected state to screen reader\n\n          this.controlText('');\n          this.isSelected_ = false;\n        }\n      }\n    };\n\n    return MenuItem;\n  }(ClickableComponent);\n\n  Component.registerComponent('MenuItem', MenuItem);\n\n  /**\n   * The specific menu item type for selecting a language within a text track kind\n   *\n   * @extends MenuItem\n   */\n\n  var TextTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(TextTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TextTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var tracks = player.textTracks(); // Modify options for parent MenuItem class's init.\n\n      options.label = track.label || track.language || 'Unknown';\n      options.selected = track.mode === 'showing';\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track; // Determine the relevant kind(s) of tracks for this component and filter\n      // out empty kinds.\n\n      _this.kinds = (options.kinds || [options.kind || _this.track.kind]).filter(Boolean);\n\n      var changeHandler = function changeHandler() {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        _this.handleTracksChange.apply(assertThisInitialized(_this), args);\n      };\n\n      var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {\n        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n          args[_key2] = arguments[_key2];\n        }\n\n        _this.handleSelectedLanguageChange.apply(assertThisInitialized(_this), args);\n      };\n\n      player.on(['loadstart', 'texttrackchange'], changeHandler);\n      tracks.addEventListener('change', changeHandler);\n      tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);\n\n      _this.on('dispose', function () {\n        player.off(['loadstart', 'texttrackchange'], changeHandler);\n        tracks.removeEventListener('change', changeHandler);\n        tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);\n      }); // iOS7 doesn't dispatch change events to TextTrackLists when an\n      // associated track's mode changes. Without something like\n      // Object.observe() (also not present on iOS7), it's not\n      // possible to detect changes to the mode attribute and polyfill\n      // the change event. As a poor substitute, we manually dispatch\n      // change events whenever the controls modify the mode.\n\n\n      if (tracks.onchange === undefined) {\n        var event;\n\n        _this.on(['tap', 'click'], function () {\n          if (typeof window$3.Event !== 'object') {\n            // Android 2.3 throws an Illegal Constructor error for window.Event\n            try {\n              event = new window$3.Event('change');\n            } catch (err) {// continue regardless of error\n            }\n          }\n\n          if (!event) {\n            event = document.createEvent('Event');\n            event.initEvent('change', true, true);\n          }\n\n          tracks.dispatchEvent(event);\n        });\n      } // set the default state based on current tracks\n\n\n      _this.handleTracksChange();\n\n      return _this;\n    }\n    /**\n     * This gets called when an `TextTrackMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = TextTrackMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      var referenceTrack = this.track;\n      var tracks = this.player_.textTracks();\n\n      _MenuItem.prototype.handleClick.call(this, event);\n\n      if (!tracks) {\n        return;\n      }\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // If the track from the text tracks list is not of the right kind,\n        // skip it. We do not want to affect tracks of incompatible kind(s).\n\n        if (this.kinds.indexOf(track.kind) === -1) {\n          continue;\n        } // If this text track is the component's track and it is not showing,\n        // set it to showing.\n\n\n        if (track === referenceTrack) {\n          if (track.mode !== 'showing') {\n            track.mode = 'showing';\n          } // If this text track is not the component's track and it is not\n          // disabled, set it to disabled.\n\n        } else if (track.mode !== 'disabled') {\n          track.mode = 'disabled';\n        }\n      }\n    }\n    /**\n     * Handle text track list change\n     *\n     * @param {EventTarget~Event} event\n     *        The `change` event that caused this function to be called.\n     *\n     * @listens TextTrackList#change\n     */\n    ;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var shouldBeSelected = this.track.mode === 'showing'; // Prevent redundant selected() calls because they may cause\n      // screen readers to read the appended control text unnecessarily\n\n      if (shouldBeSelected !== this.isSelected_) {\n        this.selected(shouldBeSelected);\n      }\n    };\n\n    _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {\n      if (this.track.mode === 'showing') {\n        var selectedLanguage = this.player_.cache_.selectedLanguage; // Don't replace the kind of track across the same language\n\n        if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {\n          return;\n        }\n\n        this.player_.cache_.selectedLanguage = {\n          enabled: true,\n          language: this.track.language,\n          kind: this.track.kind\n        };\n      }\n    };\n\n    _proto.dispose = function dispose() {\n      // remove reference to track object on dispose\n      this.track = null;\n\n      _MenuItem.prototype.dispose.call(this);\n    };\n\n    return TextTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);\n\n  /**\n   * A special menu item for turning of a specific type of text track\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var OffTextTrackMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(OffTextTrackMenuItem, _TextTrackMenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function OffTextTrackMenuItem(player, options) {\n      // Create pseudo track info\n      // Requires options['kind']\n      options.track = {\n        player: player,\n        // it is no longer necessary to store `kind` or `kinds` on the track itself\n        // since they are now stored in the `kinds` property of all instances of\n        // TextTrackMenuItem, but this will remain for backwards compatibility\n        kind: options.kind,\n        kinds: options.kinds,\n        \"default\": false,\n        mode: 'disabled'\n      };\n\n      if (!options.kinds) {\n        options.kinds = [options.kind];\n      }\n\n      if (options.label) {\n        options.track.label = options.label;\n      } else {\n        options.track.label = options.kinds.join(' and ') + ' off';\n      } // MenuItem is selectable\n\n\n      options.selectable = true; // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n\n      options.multiSelectable = false;\n      return _TextTrackMenuItem.call(this, player, options) || this;\n    }\n    /**\n     * Handle text track change\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run\n     */\n\n\n    var _proto = OffTextTrackMenuItem.prototype;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var tracks = this.player().textTracks();\n      var shouldBeSelected = true;\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {\n          shouldBeSelected = false;\n          break;\n        }\n      } // Prevent redundant selected() calls because they may cause\n      // screen readers to read the appended control text unnecessarily\n\n\n      if (shouldBeSelected !== this.isSelected_) {\n        this.selected(shouldBeSelected);\n      }\n    };\n\n    _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {\n      var tracks = this.player().textTracks();\n      var allHidden = true;\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {\n          allHidden = false;\n          break;\n        }\n      }\n\n      if (allHidden) {\n        this.player_.cache_.selectedLanguage = {\n          enabled: false\n        };\n      }\n    };\n\n    return OffTextTrackMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);\n\n  /**\n   * The base class for buttons that toggle specific text track types (e.g. subtitles)\n   *\n   * @extends MenuButton\n   */\n\n  var TextTrackButton = /*#__PURE__*/function (_TrackButton) {\n    inheritsLoose(TextTrackButton, _TrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function TextTrackButton(player, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.tracks = player.textTracks();\n      return _TrackButton.call(this, player, options) || this;\n    }\n    /**\n     * Create a menu item for each text track\n     *\n     * @param {TextTrackMenuItem[]} [items=[]]\n     *        Existing array of items to use during creation\n     *\n     * @return {TextTrackMenuItem[]}\n     *         Array of menu items that were created\n     */\n\n\n    var _proto = TextTrackButton.prototype;\n\n    _proto.createItems = function createItems(items, TrackMenuItem) {\n      if (items === void 0) {\n        items = [];\n      }\n\n      if (TrackMenuItem === void 0) {\n        TrackMenuItem = TextTrackMenuItem;\n      }\n\n      // Label is an override for the [track] off label\n      // USed to localise captions/subtitles\n      var label;\n\n      if (this.label_) {\n        label = this.label_ + \" off\";\n      } // Add an OFF menu item to turn all tracks off\n\n\n      items.push(new OffTextTrackMenuItem(this.player_, {\n        kinds: this.kinds_,\n        kind: this.kind_,\n        label: label\n      }));\n      this.hideThreshold_ += 1;\n      var tracks = this.player_.textTracks();\n\n      if (!Array.isArray(this.kinds_)) {\n        this.kinds_ = [this.kind_];\n      }\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // only add tracks that are of an appropriate kind and have a label\n\n        if (this.kinds_.indexOf(track.kind) > -1) {\n          var item = new TrackMenuItem(this.player_, {\n            track: track,\n            kinds: this.kinds_,\n            kind: this.kind_,\n            // MenuItem is selectable\n            selectable: true,\n            // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n            multiSelectable: false\n          });\n          item.addClass(\"vjs-\" + track.kind + \"-menu-item\");\n          items.push(item);\n        }\n      }\n\n      return items;\n    };\n\n    return TextTrackButton;\n  }(TrackButton);\n\n  Component.registerComponent('TextTrackButton', TextTrackButton);\n\n  /**\n   * The chapter track menu item\n   *\n   * @extends MenuItem\n   */\n\n  var ChaptersTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(ChaptersTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function ChaptersTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var cue = options.cue;\n      var currentTime = player.currentTime(); // Modify options for parent MenuItem class's init.\n\n      options.selectable = true;\n      options.multiSelectable = false;\n      options.label = cue.text;\n      options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track;\n      _this.cue = cue;\n      track.addEventListener('cuechange', bind(assertThisInitialized(_this), _this.update));\n      return _this;\n    }\n    /**\n     * This gets called when an `ChaptersTrackMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = ChaptersTrackMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      _MenuItem.prototype.handleClick.call(this);\n\n      this.player_.currentTime(this.cue.startTime);\n      this.update(this.cue.startTime);\n    }\n    /**\n     * Update chapter menu item\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `cuechange` event that caused this function to run.\n     *\n     * @listens TextTrack#cuechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var cue = this.cue;\n      var currentTime = this.player_.currentTime(); // vjs.log(currentTime, cue.startTime);\n\n      this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);\n    };\n\n    return ChaptersTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);\n\n  /**\n   * The button component for toggling and selecting chapters\n   * Chapters act much differently than other text tracks\n   * Cues are navigation vs. other tracks of alternative languages\n   *\n   * @extends TextTrackButton\n   */\n\n  var ChaptersButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(ChaptersButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this function is ready.\n     */\n    function ChaptersButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = ChaptersButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-chapters-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-chapters-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Update the menu based on the current state of its items.\n     *\n     * @param {EventTarget~Event} [event]\n     *        An event that triggered this function to run.\n     *\n     * @listens TextTrackList#addtrack\n     * @listens TextTrackList#removetrack\n     * @listens TextTrackList#change\n     */\n    ;\n\n    _proto.update = function update(event) {\n      if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {\n        this.setTrack(this.findChaptersTrack());\n      }\n\n      _TextTrackButton.prototype.update.call(this);\n    }\n    /**\n     * Set the currently selected track for the chapters button.\n     *\n     * @param {TextTrack} track\n     *        The new track to select. Nothing will change if this is the currently selected\n     *        track.\n     */\n    ;\n\n    _proto.setTrack = function setTrack(track) {\n      if (this.track_ === track) {\n        return;\n      }\n\n      if (!this.updateHandler_) {\n        this.updateHandler_ = this.update.bind(this);\n      } // here this.track_ refers to the old track instance\n\n\n      if (this.track_) {\n        var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);\n\n        if (remoteTextTrackEl) {\n          remoteTextTrackEl.removeEventListener('load', this.updateHandler_);\n        }\n\n        this.track_ = null;\n      }\n\n      this.track_ = track; // here this.track_ refers to the new track instance\n\n      if (this.track_) {\n        this.track_.mode = 'hidden';\n\n        var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);\n\n        if (_remoteTextTrackEl) {\n          _remoteTextTrackEl.addEventListener('load', this.updateHandler_);\n        }\n      }\n    }\n    /**\n     * Find the track object that is currently in use by this ChaptersButton\n     *\n     * @return {TextTrack|undefined}\n     *         The current track or undefined if none was found.\n     */\n    ;\n\n    _proto.findChaptersTrack = function findChaptersTrack() {\n      var tracks = this.player_.textTracks() || [];\n\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        // We will always choose the last track as our chaptersTrack\n        var track = tracks[i];\n\n        if (track.kind === this.kind_) {\n          return track;\n        }\n      }\n    }\n    /**\n     * Get the caption for the ChaptersButton based on the track label. This will also\n     * use the current tracks localized kind as a fallback if a label does not exist.\n     *\n     * @return {string}\n     *         The tracks current label or the localized track kind.\n     */\n    ;\n\n    _proto.getMenuCaption = function getMenuCaption() {\n      if (this.track_ && this.track_.label) {\n        return this.track_.label;\n      }\n\n      return this.localize(toTitleCase(this.kind_));\n    }\n    /**\n     * Create menu from chapter track\n     *\n     * @return {Menu}\n     *         New menu for the chapter buttons\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      this.options_.title = this.getMenuCaption();\n      return _TextTrackButton.prototype.createMenu.call(this);\n    }\n    /**\n     * Create a menu item for each text track\n     *\n     * @return {TextTrackMenuItem[]}\n     *         Array of menu items\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!this.track_) {\n        return items;\n      }\n\n      var cues = this.track_.cues;\n\n      if (!cues) {\n        return items;\n      }\n\n      for (var i = 0, l = cues.length; i < l; i++) {\n        var cue = cues[i];\n        var mi = new ChaptersTrackMenuItem(this.player_, {\n          track: this.track_,\n          cue: cue\n        });\n        items.push(mi);\n      }\n\n      return items;\n    };\n\n    return ChaptersButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  ChaptersButton.prototype.kind_ = 'chapters';\n  /**\n   * The text that should display over the `ChaptersButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  ChaptersButton.prototype.controlText_ = 'Chapters';\n  Component.registerComponent('ChaptersButton', ChaptersButton);\n\n  /**\n   * The button component for toggling and selecting descriptions\n   *\n   * @extends TextTrackButton\n   */\n\n  var DescriptionsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(DescriptionsButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function DescriptionsButton(player, options, ready) {\n      var _this;\n\n      _this = _TextTrackButton.call(this, player, options, ready) || this;\n      var tracks = player.textTracks();\n      var changeHandler = bind(assertThisInitialized(_this), _this.handleTracksChange);\n      tracks.addEventListener('change', changeHandler);\n\n      _this.on('dispose', function () {\n        tracks.removeEventListener('change', changeHandler);\n      });\n\n      return _this;\n    }\n    /**\n     * Handle text track change\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run\n     *\n     * @listens TextTrackList#change\n     */\n\n\n    var _proto = DescriptionsButton.prototype;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var tracks = this.player().textTracks();\n      var disabled = false; // Check whether a track of a different kind is showing\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (track.kind !== this.kind_ && track.mode === 'showing') {\n          disabled = true;\n          break;\n        }\n      } // If another track is showing, disable this menu button\n\n\n      if (disabled) {\n        this.disable();\n      } else {\n        this.enable();\n      }\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-descriptions-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-descriptions-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    };\n\n    return DescriptionsButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  DescriptionsButton.prototype.kind_ = 'descriptions';\n  /**\n   * The text that should display over the `DescriptionsButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  DescriptionsButton.prototype.controlText_ = 'Descriptions';\n  Component.registerComponent('DescriptionsButton', DescriptionsButton);\n\n  /**\n   * The button component for toggling and selecting subtitles\n   *\n   * @extends TextTrackButton\n   */\n\n  var SubtitlesButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(SubtitlesButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function SubtitlesButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = SubtitlesButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-subtitles-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-subtitles-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    };\n\n    return SubtitlesButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  SubtitlesButton.prototype.kind_ = 'subtitles';\n  /**\n   * The text that should display over the `SubtitlesButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  SubtitlesButton.prototype.controlText_ = 'Subtitles';\n  Component.registerComponent('SubtitlesButton', SubtitlesButton);\n\n  /**\n   * The menu item for caption track settings menu\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var CaptionSettingsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(CaptionSettingsMenuItem, _TextTrackMenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function CaptionSettingsMenuItem(player, options) {\n      var _this;\n\n      options.track = {\n        player: player,\n        kind: options.kind,\n        label: options.kind + ' settings',\n        selectable: false,\n        \"default\": false,\n        mode: 'disabled'\n      }; // CaptionSettingsMenuItem has no concept of 'selected'\n\n      options.selectable = false;\n      options.name = 'CaptionSettingsMenuItem';\n      _this = _TextTrackMenuItem.call(this, player, options) || this;\n\n      _this.addClass('vjs-texttrack-settings');\n\n      _this.controlText(', opens ' + options.kind + ' settings dialog');\n\n      return _this;\n    }\n    /**\n     * This gets called when an `CaptionSettingsMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = CaptionSettingsMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      this.player().getChild('textTrackSettings').open();\n    };\n\n    return CaptionSettingsMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);\n\n  /**\n   * The button component for toggling and selecting captions\n   *\n   * @extends TextTrackButton\n   */\n\n  var CaptionsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(CaptionsButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function CaptionsButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = CaptionsButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-captions-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-captions-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create caption menu items\n     *\n     * @return {CaptionSettingsMenuItem[]}\n     *         The array of current menu items.\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {\n        items.push(new CaptionSettingsMenuItem(this.player_, {\n          kind: this.kind_\n        }));\n        this.hideThreshold_ += 1;\n      }\n\n      return _TextTrackButton.prototype.createItems.call(this, items);\n    };\n\n    return CaptionsButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  CaptionsButton.prototype.kind_ = 'captions';\n  /**\n   * The text that should display over the `CaptionsButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  CaptionsButton.prototype.controlText_ = 'Captions';\n  Component.registerComponent('CaptionsButton', CaptionsButton);\n\n  /**\n   * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles\n   * in the SubsCapsMenu.\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var SubsCapsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(SubsCapsMenuItem, _TextTrackMenuItem);\n\n    function SubsCapsMenuItem() {\n      return _TextTrackMenuItem.apply(this, arguments) || this;\n    }\n\n    var _proto = SubsCapsMenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      var innerHTML = \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label);\n\n      if (this.options_.track.kind === 'captions') {\n        innerHTML += \"\\n        <span aria-hidden=\\\"true\\\" class=\\\"vjs-icon-placeholder\\\"></span>\\n        <span class=\\\"vjs-control-text\\\"> \" + this.localize('Captions') + \"</span>\\n      \";\n      }\n\n      innerHTML += '</span>';\n\n      var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({\n        innerHTML: innerHTML\n      }, props), attrs);\n\n      return el;\n    };\n\n    return SubsCapsMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);\n\n  /**\n   * The button component for toggling and selecting captions and/or subtitles\n   *\n   * @extends TextTrackButton\n   */\n\n  var SubsCapsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(SubsCapsButton, _TextTrackButton);\n\n    function SubsCapsButton(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _TextTrackButton.call(this, player, options) || this; // Although North America uses \"captions\" in most cases for\n      // \"captions and subtitles\" other locales use \"subtitles\"\n\n      _this.label_ = 'subtitles';\n\n      if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {\n        _this.label_ = 'captions';\n      }\n\n      _this.menuButton_.controlText(toTitleCase(_this.label_));\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = SubsCapsButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-subs-caps-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-subs-caps-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create caption/subtitles menu items\n     *\n     * @return {CaptionSettingsMenuItem[]}\n     *         The array of current menu items.\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {\n        items.push(new CaptionSettingsMenuItem(this.player_, {\n          kind: this.label_\n        }));\n        this.hideThreshold_ += 1;\n      }\n\n      items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);\n      return items;\n    };\n\n    return SubsCapsButton;\n  }(TextTrackButton);\n  /**\n   * `kind`s of TextTrack to look for to associate it with this menu.\n   *\n   * @type {array}\n   * @private\n   */\n\n\n  SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];\n  /**\n   * The text that should display over the `SubsCapsButton`s controls.\n   *\n   *\n   * @type {string}\n   * @private\n   */\n\n  SubsCapsButton.prototype.controlText_ = 'Subtitles';\n  Component.registerComponent('SubsCapsButton', SubsCapsButton);\n\n  /**\n   * An {@link AudioTrack} {@link MenuItem}\n   *\n   * @extends MenuItem\n   */\n\n  var AudioTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(AudioTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function AudioTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var tracks = player.audioTracks(); // Modify options for parent MenuItem class's init.\n\n      options.label = track.label || track.language || 'Unknown';\n      options.selected = track.enabled;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track;\n\n      _this.addClass(\"vjs-\" + track.kind + \"-menu-item\");\n\n      var changeHandler = function changeHandler() {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        _this.handleTracksChange.apply(assertThisInitialized(_this), args);\n      };\n\n      tracks.addEventListener('change', changeHandler);\n\n      _this.on('dispose', function () {\n        tracks.removeEventListener('change', changeHandler);\n      });\n\n      return _this;\n    }\n\n    var _proto = AudioTrackMenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      var innerHTML = \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label);\n\n      if (this.options_.track.kind === 'main-desc') {\n        innerHTML += \"\\n        <span aria-hidden=\\\"true\\\" class=\\\"vjs-icon-placeholder\\\"></span>\\n        <span class=\\\"vjs-control-text\\\"> \" + this.localize('Descriptions') + \"</span>\\n      \";\n      }\n\n      innerHTML += '</span>';\n\n      var el = _MenuItem.prototype.createEl.call(this, type, assign({\n        innerHTML: innerHTML\n      }, props), attrs);\n\n      return el;\n    }\n    /**\n     * This gets called when an `AudioTrackMenuItem is \"clicked\". See {@link ClickableComponent}\n     * for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var tracks = this.player_.audioTracks();\n\n      _MenuItem.prototype.handleClick.call(this, event);\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i];\n        track.enabled = track === this.track;\n      }\n    }\n    /**\n     * Handle any {@link AudioTrack} change.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link AudioTrackList#change} event that caused this to run.\n     *\n     * @listens AudioTrackList#change\n     */\n    ;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      this.selected(this.track.enabled);\n    };\n\n    return AudioTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);\n\n  /**\n   * The base class for buttons that toggle specific {@link AudioTrack} types.\n   *\n   * @extends TrackButton\n   */\n\n  var AudioTrackButton = /*#__PURE__*/function (_TrackButton) {\n    inheritsLoose(AudioTrackButton, _TrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function AudioTrackButton(player, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.tracks = player.audioTracks();\n      return _TrackButton.call(this, player, options) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = AudioTrackButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-audio-button \" + _TrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-audio-button \" + _TrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create a menu item for each audio track\n     *\n     * @param {AudioTrackMenuItem[]} [items=[]]\n     *        An array of existing menu items to use.\n     *\n     * @return {AudioTrackMenuItem[]}\n     *         An array of menu items\n     */\n    ;\n\n    _proto.createItems = function createItems(items) {\n      if (items === void 0) {\n        items = [];\n      }\n\n      // if there's only one audio track, there no point in showing it\n      this.hideThreshold_ = 1;\n      var tracks = this.player_.audioTracks();\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i];\n        items.push(new AudioTrackMenuItem(this.player_, {\n          track: track,\n          // MenuItem is selectable\n          selectable: true,\n          // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n          multiSelectable: false\n        }));\n      }\n\n      return items;\n    };\n\n    return AudioTrackButton;\n  }(TrackButton);\n  /**\n   * The text that should display over the `AudioTrackButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  AudioTrackButton.prototype.controlText_ = 'Audio Track';\n  Component.registerComponent('AudioTrackButton', AudioTrackButton);\n\n  /**\n   * The specific menu item type for selecting a playback rate.\n   *\n   * @extends MenuItem\n   */\n\n  var PlaybackRateMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(PlaybackRateMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlaybackRateMenuItem(player, options) {\n      var _this;\n\n      var label = options.rate;\n      var rate = parseFloat(label, 10); // Modify options for parent MenuItem class's init.\n\n      options.label = label;\n      options.selected = rate === 1;\n      options.selectable = true;\n      options.multiSelectable = false;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.label = label;\n      _this.rate = rate;\n\n      _this.on(player, 'ratechange', _this.update);\n\n      return _this;\n    }\n    /**\n     * This gets called when an `PlaybackRateMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = PlaybackRateMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      _MenuItem.prototype.handleClick.call(this);\n\n      this.player().playbackRate(this.rate);\n    }\n    /**\n     * Update the PlaybackRateMenuItem when the playbackrate changes.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `ratechange` event that caused this function to run.\n     *\n     * @listens Player#ratechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      this.selected(this.player().playbackRate() === this.rate);\n    };\n\n    return PlaybackRateMenuItem;\n  }(MenuItem);\n  /**\n   * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlaybackRateMenuItem.prototype.contentElType = 'button';\n  Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);\n\n  /**\n   * The component for controlling the playback rate.\n   *\n   * @extends MenuButton\n   */\n\n  var PlaybackRateMenuButton = /*#__PURE__*/function (_MenuButton) {\n    inheritsLoose(PlaybackRateMenuButton, _MenuButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlaybackRateMenuButton(player, options) {\n      var _this;\n\n      _this = _MenuButton.call(this, player, options) || this;\n\n      _this.updateVisibility();\n\n      _this.updateLabel();\n\n      _this.on(player, 'loadstart', _this.updateVisibility);\n\n      _this.on(player, 'ratechange', _this.updateLabel);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = PlaybackRateMenuButton.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _MenuButton.prototype.createEl.call(this);\n\n      this.labelEl_ = createEl('div', {\n        className: 'vjs-playback-rate-value',\n        innerHTML: '1x'\n      });\n      el.appendChild(this.labelEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.labelEl_ = null;\n\n      _MenuButton.prototype.dispose.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-playback-rate \" + _MenuButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-playback-rate \" + _MenuButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create the playback rate menu\n     *\n     * @return {Menu}\n     *         Menu object populated with {@link PlaybackRateMenuItem}s\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      var menu = new Menu(this.player());\n      var rates = this.playbackRates();\n\n      if (rates) {\n        for (var i = rates.length - 1; i >= 0; i--) {\n          menu.addChild(new PlaybackRateMenuItem(this.player(), {\n            rate: rates[i] + 'x'\n          }));\n        }\n      }\n\n      return menu;\n    }\n    /**\n     * Updates ARIA accessibility attributes\n     */\n    ;\n\n    _proto.updateARIAAttributes = function updateARIAAttributes() {\n      // Current playback rate\n      this.el().setAttribute('aria-valuenow', this.player().playbackRate());\n    }\n    /**\n     * This gets called when an `PlaybackRateMenuButton` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      // select next rate option\n      var currentRate = this.player().playbackRate();\n      var rates = this.playbackRates(); // this will select first one if the last one currently selected\n\n      var newRate = rates[0];\n\n      for (var i = 0; i < rates.length; i++) {\n        if (rates[i] > currentRate) {\n          newRate = rates[i];\n          break;\n        }\n      }\n\n      this.player().playbackRate(newRate);\n    }\n    /**\n     * Get possible playback rates\n     *\n     * @return {Array}\n     *         All possible playback rates\n     */\n    ;\n\n    _proto.playbackRates = function playbackRates() {\n      return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;\n    }\n    /**\n     * Get whether playback rates is supported by the tech\n     * and an array of playback rates exists\n     *\n     * @return {boolean}\n     *         Whether changing playback rate is supported\n     */\n    ;\n\n    _proto.playbackRateSupported = function playbackRateSupported() {\n      return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;\n    }\n    /**\n     * Hide playback rate controls when they're no playback rate options to select\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#loadstart\n     */\n    ;\n\n    _proto.updateVisibility = function updateVisibility(event) {\n      if (this.playbackRateSupported()) {\n        this.removeClass('vjs-hidden');\n      } else {\n        this.addClass('vjs-hidden');\n      }\n    }\n    /**\n     * Update button label when rate changed\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#ratechange\n     */\n    ;\n\n    _proto.updateLabel = function updateLabel(event) {\n      if (this.playbackRateSupported()) {\n        this.labelEl_.innerHTML = this.player().playbackRate() + 'x';\n      }\n    };\n\n    return PlaybackRateMenuButton;\n  }(MenuButton);\n  /**\n   * The text that should display over the `FullscreenToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';\n  Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);\n\n  /**\n   * Just an empty spacer element that can be used as an append point for plugins, etc.\n   * Also can be used to create space between elements when necessary.\n   *\n   * @extends Component\n   */\n\n  var Spacer = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Spacer, _Component);\n\n    function Spacer() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = Spacer.prototype;\n\n    /**\n    * Builds the default DOM `className`.\n    *\n    * @return {string}\n    *         The DOM `className` for this object.\n    */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-spacer \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildCSSClass()\n      });\n    };\n\n    return Spacer;\n  }(Component);\n\n  Component.registerComponent('Spacer', Spacer);\n\n  /**\n   * Spacer specifically meant to be used as an insertion point for new plugins, etc.\n   *\n   * @extends Spacer\n   */\n\n  var CustomControlSpacer = /*#__PURE__*/function (_Spacer) {\n    inheritsLoose(CustomControlSpacer, _Spacer);\n\n    function CustomControlSpacer() {\n      return _Spacer.apply(this, arguments) || this;\n    }\n\n    var _proto = CustomControlSpacer.prototype;\n\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-custom-control-spacer \" + _Spacer.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var el = _Spacer.prototype.createEl.call(this, {\n        className: this.buildCSSClass()\n      }); // No-flex/table-cell mode requires there be some content\n      // in the cell to fill the remaining space of the table.\n\n\n      el.innerHTML = \"\\xA0\";\n      return el;\n    };\n\n    return CustomControlSpacer;\n  }(Spacer);\n\n  Component.registerComponent('CustomControlSpacer', CustomControlSpacer);\n\n  /**\n   * Container of main controls.\n   *\n   * @extends Component\n   */\n\n  var ControlBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ControlBar, _Component);\n\n    function ControlBar() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = ControlBar.prototype;\n\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-control-bar',\n        dir: 'ltr'\n      });\n    };\n\n    return ControlBar;\n  }(Component);\n  /**\n   * Default options for `ControlBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ControlBar.prototype.options_ = {\n    children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'seekToLive', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']\n  };\n\n  if ('exitPictureInPicture' in document) {\n    ControlBar.prototype.options_.children.splice(ControlBar.prototype.options_.children.length - 1, 0, 'pictureInPictureToggle');\n  }\n\n  Component.registerComponent('ControlBar', ControlBar);\n\n  /**\n   * A display that indicates an error has occurred. This means that the video\n   * is unplayable.\n   *\n   * @extends ModalDialog\n   */\n\n  var ErrorDisplay = /*#__PURE__*/function (_ModalDialog) {\n    inheritsLoose(ErrorDisplay, _ModalDialog);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param  {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param  {Object} [options]\n     *         The key/value store of player options.\n     */\n    function ErrorDisplay(player, options) {\n      var _this;\n\n      _this = _ModalDialog.call(this, player, options) || this;\n\n      _this.on(player, 'error', _this.open);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     *\n     * @deprecated Since version 5.\n     */\n\n\n    var _proto = ErrorDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-error-display \" + _ModalDialog.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Gets the localized error message based on the `Player`s error.\n     *\n     * @return {string}\n     *         The `Player`s error message localized or an empty string.\n     */\n    ;\n\n    _proto.content = function content() {\n      var error = this.player().error();\n      return error ? this.localize(error.message) : '';\n    };\n\n    return ErrorDisplay;\n  }(ModalDialog);\n  /**\n   * The default options for an `ErrorDisplay`.\n   *\n   * @private\n   */\n\n\n  ErrorDisplay.prototype.options_ = _extends_1({}, ModalDialog.prototype.options_, {\n    pauseOnOpen: false,\n    fillAlways: true,\n    temporary: false,\n    uncloseable: true\n  });\n  Component.registerComponent('ErrorDisplay', ErrorDisplay);\n\n  var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';\n  var COLOR_BLACK = ['#000', 'Black'];\n  var COLOR_BLUE = ['#00F', 'Blue'];\n  var COLOR_CYAN = ['#0FF', 'Cyan'];\n  var COLOR_GREEN = ['#0F0', 'Green'];\n  var COLOR_MAGENTA = ['#F0F', 'Magenta'];\n  var COLOR_RED = ['#F00', 'Red'];\n  var COLOR_WHITE = ['#FFF', 'White'];\n  var COLOR_YELLOW = ['#FF0', 'Yellow'];\n  var OPACITY_OPAQUE = ['1', 'Opaque'];\n  var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];\n  var OPACITY_TRANS = ['0', 'Transparent']; // Configuration for the various <select> elements in the DOM of this component.\n  //\n  // Possible keys include:\n  //\n  // `default`:\n  //   The default option index. Only needs to be provided if not zero.\n  // `parser`:\n  //   A function which is used to parse the value from the selected option in\n  //   a customized way.\n  // `selector`:\n  //   The selector used to find the associated <select> element.\n\n  var selectConfigs = {\n    backgroundColor: {\n      selector: '.vjs-bg-color > select',\n      id: 'captions-background-color-%s',\n      label: 'Color',\n      options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]\n    },\n    backgroundOpacity: {\n      selector: '.vjs-bg-opacity > select',\n      id: 'captions-background-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]\n    },\n    color: {\n      selector: '.vjs-fg-color > select',\n      id: 'captions-foreground-color-%s',\n      label: 'Color',\n      options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]\n    },\n    edgeStyle: {\n      selector: '.vjs-edge-style > select',\n      id: '%s',\n      label: 'Text Edge Style',\n      options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]\n    },\n    fontFamily: {\n      selector: '.vjs-font-family > select',\n      id: 'captions-font-family-%s',\n      label: 'Font Family',\n      options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]\n    },\n    fontPercent: {\n      selector: '.vjs-font-percent > select',\n      id: 'captions-font-size-%s',\n      label: 'Font Size',\n      options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],\n      \"default\": 2,\n      parser: function parser(v) {\n        return v === '1.00' ? null : Number(v);\n      }\n    },\n    textOpacity: {\n      selector: '.vjs-text-opacity > select',\n      id: 'captions-foreground-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_OPAQUE, OPACITY_SEMI]\n    },\n    // Options for this object are defined below.\n    windowColor: {\n      selector: '.vjs-window-color > select',\n      id: 'captions-window-color-%s',\n      label: 'Color'\n    },\n    // Options for this object are defined below.\n    windowOpacity: {\n      selector: '.vjs-window-opacity > select',\n      id: 'captions-window-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]\n    }\n  };\n  selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;\n  /**\n   * Get the actual value of an option.\n   *\n   * @param  {string} value\n   *         The value to get\n   *\n   * @param  {Function} [parser]\n   *         Optional function to adjust the value.\n   *\n   * @return {Mixed}\n   *         - Will be `undefined` if no value exists\n   *         - Will be `undefined` if the given value is \"none\".\n   *         - Will be the actual value otherwise.\n   *\n   * @private\n   */\n\n  function parseOptionValue(value, parser) {\n    if (parser) {\n      value = parser(value);\n    }\n\n    if (value && value !== 'none') {\n      return value;\n    }\n  }\n  /**\n   * Gets the value of the selected <option> element within a <select> element.\n   *\n   * @param  {Element} el\n   *         the element to look in\n   *\n   * @param  {Function} [parser]\n   *         Optional function to adjust the value.\n   *\n   * @return {Mixed}\n   *         - Will be `undefined` if no value exists\n   *         - Will be `undefined` if the given value is \"none\".\n   *         - Will be the actual value otherwise.\n   *\n   * @private\n   */\n\n\n  function getSelectedOptionValue(el, parser) {\n    var value = el.options[el.options.selectedIndex].value;\n    return parseOptionValue(value, parser);\n  }\n  /**\n   * Sets the selected <option> element within a <select> element based on a\n   * given value.\n   *\n   * @param {Element} el\n   *        The element to look in.\n   *\n   * @param {string} value\n   *        the property to look on.\n   *\n   * @param {Function} [parser]\n   *        Optional function to adjust the value before comparing.\n   *\n   * @private\n   */\n\n\n  function setSelectedOption(el, value, parser) {\n    if (!value) {\n      return;\n    }\n\n    for (var i = 0; i < el.options.length; i++) {\n      if (parseOptionValue(el.options[i].value, parser) === value) {\n        el.selectedIndex = i;\n        break;\n      }\n    }\n  }\n  /**\n   * Manipulate Text Tracks settings.\n   *\n   * @extends ModalDialog\n   */\n\n\n  var TextTrackSettings = /*#__PURE__*/function (_ModalDialog) {\n    inheritsLoose(TextTrackSettings, _ModalDialog);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *         The key/value store of player options.\n     */\n    function TextTrackSettings(player, options) {\n      var _this;\n\n      options.temporary = false;\n      _this = _ModalDialog.call(this, player, options) || this;\n      _this.updateDisplay = bind(assertThisInitialized(_this), _this.updateDisplay); // fill the modal and pretend we have opened it\n\n      _this.fill();\n\n      _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;\n      _this.endDialog = createEl('p', {\n        className: 'vjs-control-text',\n        textContent: _this.localize('End of dialog window.')\n      });\n\n      _this.el().appendChild(_this.endDialog);\n\n      _this.setDefaults(); // Grab `persistTextTrackSettings` from the player options if not passed in child options\n\n\n      if (options.persistTextTrackSettings === undefined) {\n        _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;\n      }\n\n      _this.on(_this.$('.vjs-done-button'), 'click', function () {\n        _this.saveSettings();\n\n        _this.close();\n      });\n\n      _this.on(_this.$('.vjs-default-button'), 'click', function () {\n        _this.setDefaults();\n\n        _this.updateDisplay();\n      });\n\n      each(selectConfigs, function (config) {\n        _this.on(_this.$(config.selector), 'change', _this.updateDisplay);\n      });\n\n      if (_this.options_.persistTextTrackSettings) {\n        _this.restoreSettings();\n      }\n\n      return _this;\n    }\n\n    var _proto = TextTrackSettings.prototype;\n\n    _proto.dispose = function dispose() {\n      this.endDialog = null;\n\n      _ModalDialog.prototype.dispose.call(this);\n    }\n    /**\n     * Create a <select> element with configured options.\n     *\n     * @param {string} key\n     *        Configuration key to use during creation.\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElSelect_ = function createElSelect_(key, legendId, type) {\n      var _this2 = this;\n\n      if (legendId === void 0) {\n        legendId = '';\n      }\n\n      if (type === void 0) {\n        type = 'label';\n      }\n\n      var config = selectConfigs[key];\n      var id = config.id.replace('%s', this.id_);\n      var selectLabelledbyIds = [legendId, id].join(' ').trim();\n      return [\"<\" + type + \" id=\\\"\" + id + \"\\\" class=\\\"\" + (type === 'label' ? 'vjs-label' : '') + \"\\\">\", this.localize(config.label), \"</\" + type + \">\", \"<select aria-labelledby=\\\"\" + selectLabelledbyIds + \"\\\">\"].concat(config.options.map(function (o) {\n        var optionId = id + '-' + o[1].replace(/\\W+/g, '');\n        return [\"<option id=\\\"\" + optionId + \"\\\" value=\\\"\" + o[0] + \"\\\" \", \"aria-labelledby=\\\"\" + selectLabelledbyIds + \" \" + optionId + \"\\\">\", _this2.localize(o[1]), '</option>'].join('');\n      })).concat('</select>').join('');\n    }\n    /**\n     * Create foreground color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElFgColor_ = function createElFgColor_() {\n      var legendId = \"captions-text-legend-\" + this.id_;\n      return ['<fieldset class=\"vjs-fg-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class=\"vjs-text-opacity vjs-opacity\">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create background color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElBgColor_ = function createElBgColor_() {\n      var legendId = \"captions-background-\" + this.id_;\n      return ['<fieldset class=\"vjs-bg-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class=\"vjs-bg-opacity vjs-opacity\">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create window color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElWinColor_ = function createElWinColor_() {\n      var legendId = \"captions-window-\" + this.id_;\n      return ['<fieldset class=\"vjs-window-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class=\"vjs-window-opacity vjs-opacity\">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create color elements for the component\n     *\n     * @return {Element}\n     *         The element that was created\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElColors_ = function createElColors_() {\n      return createEl('div', {\n        className: 'vjs-track-settings-colors',\n        innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')\n      });\n    }\n    /**\n     * Create font elements for the component\n     *\n     * @return {Element}\n     *         The element that was created.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElFont_ = function createElFont_() {\n      return createEl('div', {\n        className: 'vjs-track-settings-font',\n        innerHTML: ['<fieldset class=\"vjs-font-percent vjs-track-setting\">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class=\"vjs-edge-style vjs-track-setting\">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class=\"vjs-font-family vjs-track-setting\">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')\n      });\n    }\n    /**\n     * Create controls for the component\n     *\n     * @return {Element}\n     *         The element that was created.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElControls_ = function createElControls_() {\n      var defaultsDescription = this.localize('restore all settings to the default values');\n      return createEl('div', {\n        className: 'vjs-track-settings-controls',\n        innerHTML: [\"<button type=\\\"button\\\" class=\\\"vjs-default-button\\\" title=\\\"\" + defaultsDescription + \"\\\">\", this.localize('Reset'), \"<span class=\\\"vjs-control-text\\\"> \" + defaultsDescription + \"</span>\", '</button>', \"<button type=\\\"button\\\" class=\\\"vjs-done-button\\\">\" + this.localize('Done') + \"</button>\"].join('')\n      });\n    };\n\n    _proto.content = function content() {\n      return [this.createElColors_(), this.createElFont_(), this.createElControls_()];\n    };\n\n    _proto.label = function label() {\n      return this.localize('Caption Settings Dialog');\n    };\n\n    _proto.description = function description() {\n      return this.localize('Beginning of dialog window. Escape will cancel and close the window.');\n    };\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';\n    }\n    /**\n     * Gets an object of text track settings (or null).\n     *\n     * @return {Object}\n     *         An object with config values parsed from the DOM or localStorage.\n     */\n    ;\n\n    _proto.getValues = function getValues() {\n      var _this3 = this;\n\n      return reduce(selectConfigs, function (accum, config, key) {\n        var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);\n\n        if (value !== undefined) {\n          accum[key] = value;\n        }\n\n        return accum;\n      }, {});\n    }\n    /**\n     * Sets text track settings from an object of values.\n     *\n     * @param {Object} values\n     *        An object with config values parsed from the DOM or localStorage.\n     */\n    ;\n\n    _proto.setValues = function setValues(values) {\n      var _this4 = this;\n\n      each(selectConfigs, function (config, key) {\n        setSelectedOption(_this4.$(config.selector), values[key], config.parser);\n      });\n    }\n    /**\n     * Sets all `<select>` elements to their default values.\n     */\n    ;\n\n    _proto.setDefaults = function setDefaults() {\n      var _this5 = this;\n\n      each(selectConfigs, function (config) {\n        var index = config.hasOwnProperty('default') ? config[\"default\"] : 0;\n        _this5.$(config.selector).selectedIndex = index;\n      });\n    }\n    /**\n     * Restore texttrack settings from localStorage\n     */\n    ;\n\n    _proto.restoreSettings = function restoreSettings() {\n      var values;\n\n      try {\n        values = JSON.parse(window$3.localStorage.getItem(LOCAL_STORAGE_KEY));\n      } catch (err) {\n        log.warn(err);\n      }\n\n      if (values) {\n        this.setValues(values);\n      }\n    }\n    /**\n     * Save text track settings to localStorage\n     */\n    ;\n\n    _proto.saveSettings = function saveSettings() {\n      if (!this.options_.persistTextTrackSettings) {\n        return;\n      }\n\n      var values = this.getValues();\n\n      try {\n        if (Object.keys(values).length) {\n          window$3.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));\n        } else {\n          window$3.localStorage.removeItem(LOCAL_STORAGE_KEY);\n        }\n      } catch (err) {\n        log.warn(err);\n      }\n    }\n    /**\n     * Update display of text track settings\n     */\n    ;\n\n    _proto.updateDisplay = function updateDisplay() {\n      var ttDisplay = this.player_.getChild('textTrackDisplay');\n\n      if (ttDisplay) {\n        ttDisplay.updateDisplay();\n      }\n    }\n    /**\n     * conditionally blur the element and refocus the captions button\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalBlur_ = function conditionalBlur_() {\n      this.previouslyActiveEl_ = null;\n      var cb = this.player_.controlBar;\n      var subsCapsBtn = cb && cb.subsCapsButton;\n      var ccBtn = cb && cb.captionsButton;\n\n      if (subsCapsBtn) {\n        subsCapsBtn.focus();\n      } else if (ccBtn) {\n        ccBtn.focus();\n      }\n    };\n\n    return TextTrackSettings;\n  }(ModalDialog);\n\n  Component.registerComponent('TextTrackSettings', TextTrackSettings);\n\n  /**\n   * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.\n   *\n   * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.\n   *\n   * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.\n   * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.\n   * @example <caption>How to disable the resize manager</caption>\n   * const player = videojs('#vid', {\n   *   resizeManager: false\n   * });\n   *\n   * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}\n   *\n   * @extends Component\n   */\n\n  var ResizeManager = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ResizeManager, _Component);\n\n    /**\n     * Create the ResizeManager.\n     *\n     * @param {Object} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of ResizeManager options.\n     *\n     * @param {Object} [options.ResizeObserver]\n     *        A polyfill for ResizeObserver can be passed in here.\n     *        If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.\n     */\n    function ResizeManager(player, options) {\n      var _this;\n\n      var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window$3.ResizeObserver; // if `null` was passed, we want to disable the ResizeObserver\n\n      if (options.ResizeObserver === null) {\n        RESIZE_OBSERVER_AVAILABLE = false;\n      } // Only create an element when ResizeObserver isn't available\n\n\n      var options_ = mergeOptions({\n        createEl: !RESIZE_OBSERVER_AVAILABLE,\n        reportTouchActivity: false\n      }, options);\n      _this = _Component.call(this, player, options_) || this;\n      _this.ResizeObserver = options.ResizeObserver || window$3.ResizeObserver;\n      _this.loadListener_ = null;\n      _this.resizeObserver_ = null;\n      _this.debouncedHandler_ = debounce(function () {\n        _this.resizeHandler();\n      }, 100, false, assertThisInitialized(_this));\n\n      if (RESIZE_OBSERVER_AVAILABLE) {\n        _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);\n\n        _this.resizeObserver_.observe(player.el());\n      } else {\n        _this.loadListener_ = function () {\n          if (!_this.el_ || !_this.el_.contentWindow) {\n            return;\n          }\n\n          var debouncedHandler_ = _this.debouncedHandler_;\n\n          var unloadListener_ = _this.unloadListener_ = function () {\n            off(this, 'resize', debouncedHandler_);\n            off(this, 'unload', unloadListener_);\n            unloadListener_ = null;\n          }; // safari and edge can unload the iframe before resizemanager dispose\n          // we have to dispose of event handlers correctly before that happens\n\n\n          on(_this.el_.contentWindow, 'unload', unloadListener_);\n          on(_this.el_.contentWindow, 'resize', debouncedHandler_);\n        };\n\n        _this.one('load', _this.loadListener_);\n      }\n\n      return _this;\n    }\n\n    var _proto = ResizeManager.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'iframe', {\n        className: 'vjs-resize-manager',\n        tabIndex: -1\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver\n     *\n     * @fires Player#playerresize\n     */\n    ;\n\n    _proto.resizeHandler = function resizeHandler() {\n      /**\n       * Called when the player size has changed\n       *\n       * @event Player#playerresize\n       * @type {EventTarget~Event}\n       */\n      // make sure player is still around to trigger\n      // prevents this from causing an error after dispose\n      if (!this.player_ || !this.player_.trigger) {\n        return;\n      }\n\n      this.player_.trigger('playerresize');\n    };\n\n    _proto.dispose = function dispose() {\n      if (this.debouncedHandler_) {\n        this.debouncedHandler_.cancel();\n      }\n\n      if (this.resizeObserver_) {\n        if (this.player_.el()) {\n          this.resizeObserver_.unobserve(this.player_.el());\n        }\n\n        this.resizeObserver_.disconnect();\n      }\n\n      if (this.loadListener_) {\n        this.off('load', this.loadListener_);\n      }\n\n      if (this.el_ && this.el_.contentWindow && this.unloadListener_) {\n        this.unloadListener_.call(this.el_.contentWindow);\n      }\n\n      this.ResizeObserver = null;\n      this.resizeObserver = null;\n      this.debouncedHandler_ = null;\n      this.loadListener_ = null;\n\n      _Component.prototype.dispose.call(this);\n    };\n\n    return ResizeManager;\n  }(Component);\n\n  Component.registerComponent('ResizeManager', ResizeManager);\n\n  /**\n   * Computes the median of an array.\n   *\n   * @param {number[]} arr\n   *        Input array of numbers.\n   *\n   * @return {number}\n   *        Median value.\n   */\n  var median = function median(arr) {\n    var mid = Math.floor(arr.length / 2);\n    var sortedList = [].concat(arr).sort(function (a, b) {\n      return a - b;\n    });\n    return arr.length % 2 !== 0 ? sortedList[mid] : (sortedList[mid - 1] + sortedList[mid]) / 2;\n  };\n\n  var defaults = {\n    // Number of seconds of live window (seekableEnd - seekableStart) that\n    // a video needs to have before the liveui will be shown.\n    trackingThreshold: 30\n  };\n  /* track when we are at the live edge, and other helpers for live playback */\n\n  var LiveTracker = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LiveTracker, _Component);\n\n    function LiveTracker(player, options) {\n      var _this;\n\n      // LiveTracker does not need an element\n      var options_ = mergeOptions(defaults, options, {\n        createEl: false\n      });\n      _this = _Component.call(this, player, options_) || this;\n\n      _this.reset_();\n\n      _this.on(_this.player_, 'durationchange', _this.handleDurationchange); // we don't need to track live playback if the document is hidden,\n      // also, tracking when the document is hidden can\n      // cause the CPU to spike and eventually crash the page on IE11.\n\n\n      if (IE_VERSION && 'hidden' in document && 'visibilityState' in document) {\n        _this.on(document, 'visibilitychange', _this.handleVisibilityChange);\n      }\n\n      return _this;\n    }\n\n    var _proto = LiveTracker.prototype;\n\n    _proto.handleVisibilityChange = function handleVisibilityChange() {\n      if (this.player_.duration() !== Infinity) {\n        return;\n      }\n\n      if (document.hidden) {\n        this.stopTracking();\n      } else {\n        this.startTracking();\n      }\n    };\n\n    _proto.isBehind_ = function isBehind_() {\n      // don't report that we are behind until a timeupdate has been seen\n      if (!this.timeupdateSeen_) {\n        return false;\n      }\n\n      var liveCurrentTime = this.liveCurrentTime();\n      var currentTime = this.player_.currentTime(); // the live edge window is the amount of seconds away from live\n      // that a player can be, but still be considered live.\n      // we add 0.07 because the live tracking happens every 30ms\n      // and we want some wiggle room for short segment live playback\n\n      var liveEdgeWindow = this.seekableIncrement_ * 2 + 0.07; // on Android liveCurrentTime can bee Infinity, because seekableEnd\n      // can be Infinity, so we handle that case.\n\n      return liveCurrentTime !== Infinity && liveCurrentTime - liveEdgeWindow >= currentTime;\n    } // all the functionality for tracking when seek end changes\n    // and for tracking how far past seek end we should be\n    ;\n\n    _proto.trackLive_ = function trackLive_() {\n      this.pastSeekEnd_ = this.pastSeekEnd_;\n      var seekable = this.player_.seekable(); // skip undefined seekable\n\n      if (!seekable || !seekable.length) {\n        return;\n      }\n\n      var newSeekEnd = this.seekableEnd(); // we can only tell if we are behind live, when seekable changes\n      // once we detect that seekable has changed we check the new seek\n      // end against current time, with a fudge value of half a second.\n\n      if (newSeekEnd !== this.lastSeekEnd_) {\n        if (this.lastSeekEnd_) {\n          // we try to get the best fit value for the seeking increment\n          // variable from the last 12 values.\n          this.seekableIncrementList_ = this.seekableIncrementList_.slice(-11);\n          this.seekableIncrementList_.push(Math.abs(newSeekEnd - this.lastSeekEnd_));\n\n          if (this.seekableIncrementList_.length > 3) {\n            this.seekableIncrement_ = median(this.seekableIncrementList_);\n          }\n        }\n\n        this.pastSeekEnd_ = 0;\n        this.lastSeekEnd_ = newSeekEnd;\n        this.trigger('seekableendchange');\n      } // we should reset pastSeekEnd when the value\n      // is much higher than seeking increment.\n\n\n      if (this.pastSeekEnd() > this.seekableIncrement_ * 1.5) {\n        this.pastSeekEnd_ = 0;\n      } else {\n        this.pastSeekEnd_ = this.pastSeekEnd() + 0.03;\n      }\n\n      if (this.isBehind_() !== this.behindLiveEdge()) {\n        this.behindLiveEdge_ = this.isBehind_();\n        this.trigger('liveedgechange');\n      }\n    }\n    /**\n     * handle a durationchange event on the player\n     * and start/stop tracking accordingly.\n     */\n    ;\n\n    _proto.handleDurationchange = function handleDurationchange() {\n      if (this.player_.duration() === Infinity && this.liveWindow() >= this.options_.trackingThreshold) {\n        if (this.player_.options_.liveui) {\n          this.player_.addClass('vjs-liveui');\n        }\n\n        this.startTracking();\n      } else {\n        this.player_.removeClass('vjs-liveui');\n        this.stopTracking();\n      }\n    }\n    /**\n     * start tracking live playback\n     */\n    ;\n\n    _proto.startTracking = function startTracking() {\n      var _this2 = this;\n\n      if (this.isTracking()) {\n        return;\n      } // If we haven't seen a timeupdate, we need to check whether playback\n      // began before this component started tracking. This can happen commonly\n      // when using autoplay.\n\n\n      if (!this.timeupdateSeen_) {\n        this.timeupdateSeen_ = this.player_.hasStarted();\n      }\n\n      this.trackingInterval_ = this.setInterval(this.trackLive_, UPDATE_REFRESH_INTERVAL);\n      this.trackLive_();\n      this.on(this.player_, 'play', this.trackLive_);\n      this.on(this.player_, 'pause', this.trackLive_); // this is to prevent showing that we are not live\n      // before a video starts to play\n\n      if (!this.timeupdateSeen_) {\n        this.one(this.player_, 'play', this.handlePlay);\n\n        this.handleTimeupdate = function () {\n          _this2.timeupdateSeen_ = true;\n          _this2.handleTimeupdate = null;\n        };\n\n        this.one(this.player_, 'timeupdate', this.handleTimeupdate);\n      }\n    };\n\n    _proto.handlePlay = function handlePlay() {\n      this.one(this.player_, 'timeupdate', this.seekToLiveEdge);\n    }\n    /**\n     * Stop tracking, and set all internal variables to\n     * their initial value.\n     */\n    ;\n\n    _proto.reset_ = function reset_() {\n      this.pastSeekEnd_ = 0;\n      this.lastSeekEnd_ = null;\n      this.behindLiveEdge_ = null;\n      this.timeupdateSeen_ = false;\n      this.clearInterval(this.trackingInterval_);\n      this.trackingInterval_ = null;\n      this.seekableIncrement_ = 12;\n      this.seekableIncrementList_ = [];\n      this.off(this.player_, 'play', this.trackLive_);\n      this.off(this.player_, 'pause', this.trackLive_);\n      this.off(this.player_, 'play', this.handlePlay);\n      this.off(this.player_, 'timeupdate', this.seekToLiveEdge);\n\n      if (this.handleTimeupdate) {\n        this.off(this.player_, 'timeupdate', this.handleTimeupdate);\n        this.handleTimeupdate = null;\n      }\n    }\n    /**\n     * stop tracking live playback\n     */\n    ;\n\n    _proto.stopTracking = function stopTracking() {\n      if (!this.isTracking()) {\n        return;\n      }\n\n      this.reset_();\n    }\n    /**\n     * A helper to get the player seekable end\n     * so that we don't have to null check everywhere\n     */\n    ;\n\n    _proto.seekableEnd = function seekableEnd() {\n      var seekable = this.player_.seekable();\n      var seekableEnds = [];\n      var i = seekable ? seekable.length : 0;\n\n      while (i--) {\n        seekableEnds.push(seekable.end(i));\n      } // grab the furthest seekable end after sorting, or if there are none\n      // default to Infinity\n\n\n      return seekableEnds.length ? seekableEnds.sort()[seekableEnds.length - 1] : Infinity;\n    }\n    /**\n     * A helper to get the player seekable start\n     * so that we don't have to null check everywhere\n     */\n    ;\n\n    _proto.seekableStart = function seekableStart() {\n      var seekable = this.player_.seekable();\n      var seekableStarts = [];\n      var i = seekable ? seekable.length : 0;\n\n      while (i--) {\n        seekableStarts.push(seekable.start(i));\n      } // grab the first seekable start after sorting, or if there are none\n      // default to 0\n\n\n      return seekableStarts.length ? seekableStarts.sort()[0] : 0;\n    }\n    /**\n     * Get the live time window\n     */\n    ;\n\n    _proto.liveWindow = function liveWindow() {\n      var liveCurrentTime = this.liveCurrentTime();\n\n      if (liveCurrentTime === Infinity) {\n        return Infinity;\n      }\n\n      return liveCurrentTime - this.seekableStart();\n    }\n    /**\n     * Determines if the player is live, only checks if this component\n     * is tracking live playback or not\n     */\n    ;\n\n    _proto.isLive = function isLive() {\n      return this.isTracking();\n    }\n    /**\n     * Determines if currentTime is at the live edge and won't fall behind\n     * on each seekableendchange\n     */\n    ;\n\n    _proto.atLiveEdge = function atLiveEdge() {\n      return !this.behindLiveEdge();\n    }\n    /**\n     * get what we expect the live current time to be\n     */\n    ;\n\n    _proto.liveCurrentTime = function liveCurrentTime() {\n      return this.pastSeekEnd() + this.seekableEnd();\n    }\n    /**\n     * Returns how far past seek end we expect current time to be\n     */\n    ;\n\n    _proto.pastSeekEnd = function pastSeekEnd() {\n      return this.pastSeekEnd_;\n    }\n    /**\n     * If we are currently behind the live edge, aka currentTime will be\n     * behind on a seekableendchange\n     */\n    ;\n\n    _proto.behindLiveEdge = function behindLiveEdge() {\n      return this.behindLiveEdge_;\n    };\n\n    _proto.isTracking = function isTracking() {\n      return typeof this.trackingInterval_ === 'number';\n    }\n    /**\n     * Seek to the live edge if we are behind the live edge\n     */\n    ;\n\n    _proto.seekToLiveEdge = function seekToLiveEdge() {\n      if (this.atLiveEdge()) {\n        return;\n      }\n\n      this.player_.currentTime(this.liveCurrentTime());\n\n      if (this.player_.paused()) {\n        this.player_.play();\n      }\n    };\n\n    _proto.dispose = function dispose() {\n      this.stopTracking();\n\n      _Component.prototype.dispose.call(this);\n    };\n\n    return LiveTracker;\n  }(Component);\n\n  Component.registerComponent('LiveTracker', LiveTracker);\n\n  /**\n   * This function is used to fire a sourceset when there is something\n   * similar to `mediaEl.load()` being called. It will try to find the source via\n   * the `src` attribute and then the `<source>` elements. It will then fire `sourceset`\n   * with the source that was found or empty string if we cannot know. If it cannot\n   * find a source then `sourceset` will not be fired.\n   *\n   * @param {Html5} tech\n   *        The tech object that sourceset was setup on\n   *\n   * @return {boolean}\n   *         returns false if the sourceset was not fired and true otherwise.\n   */\n\n  var sourcesetLoad = function sourcesetLoad(tech) {\n    var el = tech.el(); // if `el.src` is set, that source will be loaded.\n\n    if (el.hasAttribute('src')) {\n      tech.triggerSourceset(el.src);\n      return true;\n    }\n    /**\n     * Since there isn't a src property on the media element, source elements will be used for\n     * implementing the source selection algorithm. This happens asynchronously and\n     * for most cases were there is more than one source we cannot tell what source will\n     * be loaded, without re-implementing the source selection algorithm. At this time we are not\n     * going to do that. There are three special cases that we do handle here though:\n     *\n     * 1. If there are no sources, do not fire `sourceset`.\n     * 2. If there is only one `<source>` with a `src` property/attribute that is our `src`\n     * 3. If there is more than one `<source>` but all of them have the same `src` url.\n     *    That will be our src.\n     */\n\n\n    var sources = tech.$$('source');\n    var srcUrls = [];\n    var src = ''; // if there are no sources, do not fire sourceset\n\n    if (!sources.length) {\n      return false;\n    } // only count valid/non-duplicate source elements\n\n\n    for (var i = 0; i < sources.length; i++) {\n      var url = sources[i].src;\n\n      if (url && srcUrls.indexOf(url) === -1) {\n        srcUrls.push(url);\n      }\n    } // there were no valid sources\n\n\n    if (!srcUrls.length) {\n      return false;\n    } // there is only one valid source element url\n    // use that\n\n\n    if (srcUrls.length === 1) {\n      src = srcUrls[0];\n    }\n\n    tech.triggerSourceset(src);\n    return true;\n  };\n  /**\n   * our implementation of an `innerHTML` descriptor for browsers\n   * that do not have one.\n   */\n\n\n  var innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', {\n    get: function get() {\n      return this.cloneNode(true).innerHTML;\n    },\n    set: function set(v) {\n      // make a dummy node to use innerHTML on\n      var dummy = document.createElement(this.nodeName.toLowerCase()); // set innerHTML to the value provided\n\n      dummy.innerHTML = v; // make a document fragment to hold the nodes from dummy\n\n      var docFrag = document.createDocumentFragment(); // copy all of the nodes created by the innerHTML on dummy\n      // to the document fragment\n\n      while (dummy.childNodes.length) {\n        docFrag.appendChild(dummy.childNodes[0]);\n      } // remove content\n\n\n      this.innerText = ''; // now we add all of that html in one by appending the\n      // document fragment. This is how innerHTML does it.\n\n      window$3.Element.prototype.appendChild.call(this, docFrag); // then return the result that innerHTML's setter would\n\n      return this.innerHTML;\n    }\n  });\n  /**\n   * Get a property descriptor given a list of priorities and the\n   * property to get.\n   */\n\n  var getDescriptor = function getDescriptor(priority, prop) {\n    var descriptor = {};\n\n    for (var i = 0; i < priority.length; i++) {\n      descriptor = Object.getOwnPropertyDescriptor(priority[i], prop);\n\n      if (descriptor && descriptor.set && descriptor.get) {\n        break;\n      }\n    }\n\n    descriptor.enumerable = true;\n    descriptor.configurable = true;\n    return descriptor;\n  };\n\n  var getInnerHTMLDescriptor = function getInnerHTMLDescriptor(tech) {\n    return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, window$3.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML');\n  };\n  /**\n   * Patches browser internal functions so that we can tell synchronously\n   * if a `<source>` was appended to the media element. For some reason this\n   * causes a `sourceset` if the the media element is ready and has no source.\n   * This happens when:\n   * - The page has just loaded and the media element does not have a source.\n   * - The media element was emptied of all sources, then `load()` was called.\n   *\n   * It does this by patching the following functions/properties when they are supported:\n   *\n   * - `append()` - can be used to add a `<source>` element to the media element\n   * - `appendChild()` - can be used to add a `<source>` element to the media element\n   * - `insertAdjacentHTML()` -  can be used to add a `<source>` element to the media element\n   * - `innerHTML` -  can be used to add a `<source>` element to the media element\n   *\n   * @param {Html5} tech\n   *        The tech object that sourceset is being setup on.\n   */\n\n\n  var firstSourceWatch = function firstSourceWatch(tech) {\n    var el = tech.el(); // make sure firstSourceWatch isn't setup twice.\n\n    if (el.resetSourceWatch_) {\n      return;\n    }\n\n    var old = {};\n    var innerDescriptor = getInnerHTMLDescriptor(tech);\n\n    var appendWrapper = function appendWrapper(appendFn) {\n      return function () {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        var retval = appendFn.apply(el, args);\n        sourcesetLoad(tech);\n        return retval;\n      };\n    };\n\n    ['append', 'appendChild', 'insertAdjacentHTML'].forEach(function (k) {\n      if (!el[k]) {\n        return;\n      } // store the old function\n\n\n      old[k] = el[k]; // call the old function with a sourceset if a source\n      // was loaded\n\n      el[k] = appendWrapper(old[k]);\n    });\n    Object.defineProperty(el, 'innerHTML', mergeOptions(innerDescriptor, {\n      set: appendWrapper(innerDescriptor.set)\n    }));\n\n    el.resetSourceWatch_ = function () {\n      el.resetSourceWatch_ = null;\n      Object.keys(old).forEach(function (k) {\n        el[k] = old[k];\n      });\n      Object.defineProperty(el, 'innerHTML', innerDescriptor);\n    }; // on the first sourceset, we need to revert our changes\n\n\n    tech.one('sourceset', el.resetSourceWatch_);\n  };\n  /**\n   * our implementation of a `src` descriptor for browsers\n   * that do not have one.\n   */\n\n\n  var srcDescriptorPolyfill = Object.defineProperty({}, 'src', {\n    get: function get() {\n      if (this.hasAttribute('src')) {\n        return getAbsoluteURL(window$3.Element.prototype.getAttribute.call(this, 'src'));\n      }\n\n      return '';\n    },\n    set: function set(v) {\n      window$3.Element.prototype.setAttribute.call(this, 'src', v);\n      return v;\n    }\n  });\n\n  var getSrcDescriptor = function getSrcDescriptor(tech) {\n    return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src');\n  };\n  /**\n   * setup `sourceset` handling on the `Html5` tech. This function\n   * patches the following element properties/functions:\n   *\n   * - `src` - to determine when `src` is set\n   * - `setAttribute()` - to determine when `src` is set\n   * - `load()` - this re-triggers the source selection algorithm, and can\n   *              cause a sourceset.\n   *\n   * If there is no source when we are adding `sourceset` support or during a `load()`\n   * we also patch the functions listed in `firstSourceWatch`.\n   *\n   * @param {Html5} tech\n   *        The tech to patch\n   */\n\n\n  var setupSourceset = function setupSourceset(tech) {\n    if (!tech.featuresSourceset) {\n      return;\n    }\n\n    var el = tech.el(); // make sure sourceset isn't setup twice.\n\n    if (el.resetSourceset_) {\n      return;\n    }\n\n    var srcDescriptor = getSrcDescriptor(tech);\n    var oldSetAttribute = el.setAttribute;\n    var oldLoad = el.load;\n    Object.defineProperty(el, 'src', mergeOptions(srcDescriptor, {\n      set: function set(v) {\n        var retval = srcDescriptor.set.call(el, v); // we use the getter here to get the actual value set on src\n\n        tech.triggerSourceset(el.src);\n        return retval;\n      }\n    }));\n\n    el.setAttribute = function (n, v) {\n      var retval = oldSetAttribute.call(el, n, v);\n\n      if (/src/i.test(n)) {\n        tech.triggerSourceset(el.src);\n      }\n\n      return retval;\n    };\n\n    el.load = function () {\n      var retval = oldLoad.call(el); // if load was called, but there was no source to fire\n      // sourceset on. We have to watch for a source append\n      // as that can trigger a `sourceset` when the media element\n      // has no source\n\n      if (!sourcesetLoad(tech)) {\n        tech.triggerSourceset('');\n        firstSourceWatch(tech);\n      }\n\n      return retval;\n    };\n\n    if (el.currentSrc) {\n      tech.triggerSourceset(el.currentSrc);\n    } else if (!sourcesetLoad(tech)) {\n      firstSourceWatch(tech);\n    }\n\n    el.resetSourceset_ = function () {\n      el.resetSourceset_ = null;\n      el.load = oldLoad;\n      el.setAttribute = oldSetAttribute;\n      Object.defineProperty(el, 'src', srcDescriptor);\n\n      if (el.resetSourceWatch_) {\n        el.resetSourceWatch_();\n      }\n    };\n  };\n\n  /**\n   * Object.defineProperty but \"lazy\", which means that the value is only set after\n   * it retrieved the first time, rather than being set right away.\n   *\n   * @param {Object} obj the object to set the property on\n   * @param {string} key the key for the property to set\n   * @param {Function} getValue the function used to get the value when it is needed.\n   * @param {boolean} setter wether a setter shoould be allowed or not\n   */\n  var defineLazyProperty = function defineLazyProperty(obj, key, getValue, setter) {\n    if (setter === void 0) {\n      setter = true;\n    }\n\n    var set = function set(value) {\n      return Object.defineProperty(obj, key, {\n        value: value,\n        enumerable: true,\n        writable: true\n      });\n    };\n\n    var options = {\n      configurable: true,\n      enumerable: true,\n      get: function get() {\n        var value = getValue();\n        set(value);\n        return value;\n      }\n    };\n\n    if (setter) {\n      options.set = set;\n    }\n\n    return Object.defineProperty(obj, key, options);\n  };\n\n  /**\n   * HTML5 Media Controller - Wrapper for HTML5 Media API\n   *\n   * @mixes Tech~SourceHandlerAdditions\n   * @extends Tech\n   */\n\n  var Html5 = /*#__PURE__*/function (_Tech) {\n    inheritsLoose(Html5, _Tech);\n\n    /**\n    * Create an instance of this Tech.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    *\n    * @param {Component~ReadyCallback} ready\n    *        Callback function to call when the `HTML5` Tech is ready.\n    */\n    function Html5(options, ready) {\n      var _this;\n\n      _this = _Tech.call(this, options, ready) || this;\n      var source = options.source;\n      var crossoriginTracks = false; // Set the source if one is provided\n      // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)\n      // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source\n      // anyway so the error gets fired.\n\n      if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {\n        _this.setSource(source);\n      } else {\n        _this.handleLateInit_(_this.el_);\n      } // setup sourceset after late sourceset/init\n\n\n      if (options.enableSourceset) {\n        _this.setupSourcesetHandling_();\n      }\n\n      if (_this.el_.hasChildNodes()) {\n        var nodes = _this.el_.childNodes;\n        var nodesLength = nodes.length;\n        var removeNodes = [];\n\n        while (nodesLength--) {\n          var node = nodes[nodesLength];\n          var nodeName = node.nodeName.toLowerCase();\n\n          if (nodeName === 'track') {\n            if (!_this.featuresNativeTextTracks) {\n              // Empty video tag tracks so the built-in player doesn't use them also.\n              // This may not be fast enough to stop HTML5 browsers from reading the tags\n              // so we'll need to turn off any default tracks if we're manually doing\n              // captions and subtitles. videoElement.textTracks\n              removeNodes.push(node);\n            } else {\n              // store HTMLTrackElement and TextTrack to remote list\n              _this.remoteTextTrackEls().addTrackElement_(node);\n\n              _this.remoteTextTracks().addTrack(node.track);\n\n              _this.textTracks().addTrack(node.track);\n\n              if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {\n                crossoriginTracks = true;\n              }\n            }\n          }\n        }\n\n        for (var i = 0; i < removeNodes.length; i++) {\n          _this.el_.removeChild(removeNodes[i]);\n        }\n      }\n\n      _this.proxyNativeTracks_();\n\n      if (_this.featuresNativeTextTracks && crossoriginTracks) {\n        log.warn('Text Tracks are being loaded from another origin but the crossorigin attribute isn\\'t used.\\n' + 'This may prevent text tracks from loading.');\n      } // prevent iOS Safari from disabling metadata text tracks during native playback\n\n\n      _this.restoreMetadataTracksInIOSNativePlayer_(); // Determine if native controls should be used\n      // Our goal should be to get the custom controls on mobile solid everywhere\n      // so we can remove this all together. Right now this will block custom\n      // controls on touch enabled laptops like the Chrome Pixel\n\n\n      if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {\n        _this.setControls(true);\n      } // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`\n      // into a `fullscreenchange` event\n\n\n      _this.proxyWebkitFullscreen_();\n\n      _this.triggerReady();\n\n      return _this;\n    }\n    /**\n     * Dispose of `HTML5` media element and remove all tracks.\n     */\n\n\n    var _proto = Html5.prototype;\n\n    _proto.dispose = function dispose() {\n      if (this.el_ && this.el_.resetSourceset_) {\n        this.el_.resetSourceset_();\n      }\n\n      Html5.disposeMediaElement(this.el_);\n      this.options_ = null; // tech will handle clearing of the emulated track list\n\n      _Tech.prototype.dispose.call(this);\n    }\n    /**\n     * Modify the media element so that we can detect when\n     * the source is changed. Fires `sourceset` just after the source has changed\n     */\n    ;\n\n    _proto.setupSourcesetHandling_ = function setupSourcesetHandling_() {\n      setupSourceset(this);\n    }\n    /**\n     * When a captions track is enabled in the iOS Safari native player, all other\n     * tracks are disabled (including metadata tracks), which nulls all of their\n     * associated cue points. This will restore metadata tracks to their pre-fullscreen\n     * state in those cases so that cue points are not needlessly lost.\n     *\n     * @private\n     */\n    ;\n\n    _proto.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {\n      var textTracks = this.textTracks();\n      var metadataTracksPreFullscreenState; // captures a snapshot of every metadata track's current state\n\n      var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {\n        metadataTracksPreFullscreenState = [];\n\n        for (var i = 0; i < textTracks.length; i++) {\n          var track = textTracks[i];\n\n          if (track.kind === 'metadata') {\n            metadataTracksPreFullscreenState.push({\n              track: track,\n              storedMode: track.mode\n            });\n          }\n        }\n      }; // snapshot each metadata track's initial state, and update the snapshot\n      // each time there is a track 'change' event\n\n\n      takeMetadataTrackSnapshot();\n      textTracks.addEventListener('change', takeMetadataTrackSnapshot);\n      this.on('dispose', function () {\n        return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);\n      });\n\n      var restoreTrackMode = function restoreTrackMode() {\n        for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {\n          var storedTrack = metadataTracksPreFullscreenState[i];\n\n          if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {\n            storedTrack.track.mode = storedTrack.storedMode;\n          }\n        } // we only want this handler to be executed on the first 'change' event\n\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n      }; // when we enter fullscreen playback, stop updating the snapshot and\n      // restore all track modes to their pre-fullscreen state\n\n\n      this.on('webkitbeginfullscreen', function () {\n        textTracks.removeEventListener('change', takeMetadataTrackSnapshot); // remove the listener before adding it just in case it wasn't previously removed\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n        textTracks.addEventListener('change', restoreTrackMode);\n      }); // start updating the snapshot again after leaving fullscreen\n\n      this.on('webkitendfullscreen', function () {\n        // remove the listener before adding it just in case it wasn't previously removed\n        textTracks.removeEventListener('change', takeMetadataTrackSnapshot);\n        textTracks.addEventListener('change', takeMetadataTrackSnapshot); // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n      });\n    }\n    /**\n     * Attempt to force override of tracks for the given type\n     *\n     * @param {string} type - Track type to override, possible values include 'Audio',\n     * 'Video', and 'Text'.\n     * @param {boolean} override - If set to true native audio/video will be overridden,\n     * otherwise native audio/video will potentially be used.\n     * @private\n     */\n    ;\n\n    _proto.overrideNative_ = function overrideNative_(type, override) {\n      var _this2 = this;\n\n      // If there is no behavioral change don't add/remove listeners\n      if (override !== this[\"featuresNative\" + type + \"Tracks\"]) {\n        return;\n      }\n\n      var lowerCaseType = type.toLowerCase();\n\n      if (this[lowerCaseType + \"TracksListeners_\"]) {\n        Object.keys(this[lowerCaseType + \"TracksListeners_\"]).forEach(function (eventName) {\n          var elTracks = _this2.el()[lowerCaseType + \"Tracks\"];\n\n          elTracks.removeEventListener(eventName, _this2[lowerCaseType + \"TracksListeners_\"][eventName]);\n        });\n      }\n\n      this[\"featuresNative\" + type + \"Tracks\"] = !override;\n      this[lowerCaseType + \"TracksListeners_\"] = null;\n      this.proxyNativeTracksForType_(lowerCaseType);\n    }\n    /**\n     * Attempt to force override of native audio tracks.\n     *\n     * @param {boolean} override - If set to true native audio will be overridden,\n     * otherwise native audio will potentially be used.\n     */\n    ;\n\n    _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks(override) {\n      this.overrideNative_('Audio', override);\n    }\n    /**\n     * Attempt to force override of native video tracks.\n     *\n     * @param {boolean} override - If set to true native video will be overridden,\n     * otherwise native video will potentially be used.\n     */\n    ;\n\n    _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks(override) {\n      this.overrideNative_('Video', override);\n    }\n    /**\n     * Proxy native track list events for the given type to our track\n     * lists if the browser we are playing in supports that type of track list.\n     *\n     * @param {string} name - Track type; values include 'audio', 'video', and 'text'\n     * @private\n     */\n    ;\n\n    _proto.proxyNativeTracksForType_ = function proxyNativeTracksForType_(name) {\n      var _this3 = this;\n\n      var props = NORMAL[name];\n      var elTracks = this.el()[props.getterName];\n      var techTracks = this[props.getterName]();\n\n      if (!this[\"featuresNative\" + props.capitalName + \"Tracks\"] || !elTracks || !elTracks.addEventListener) {\n        return;\n      }\n\n      var listeners = {\n        change: function change(e) {\n          var event = {\n            type: 'change',\n            target: techTracks,\n            currentTarget: techTracks,\n            srcElement: techTracks\n          };\n          techTracks.trigger(event); // if we are a text track change event, we should also notify the\n          // remote text track list. This can potentially cause a false positive\n          // if we were to get a change event on a non-remote track and\n          // we triggered the event on the remote text track list which doesn't\n          // contain that track. However, best practices mean looping through the\n          // list of tracks and searching for the appropriate mode value, so,\n          // this shouldn't pose an issue\n\n          if (name === 'text') {\n            _this3[REMOTE.remoteText.getterName]().trigger(event);\n          }\n        },\n        addtrack: function addtrack(e) {\n          techTracks.addTrack(e.track);\n        },\n        removetrack: function removetrack(e) {\n          techTracks.removeTrack(e.track);\n        }\n      };\n\n      var removeOldTracks = function removeOldTracks() {\n        var removeTracks = [];\n\n        for (var i = 0; i < techTracks.length; i++) {\n          var found = false;\n\n          for (var j = 0; j < elTracks.length; j++) {\n            if (elTracks[j] === techTracks[i]) {\n              found = true;\n              break;\n            }\n          }\n\n          if (!found) {\n            removeTracks.push(techTracks[i]);\n          }\n        }\n\n        while (removeTracks.length) {\n          techTracks.removeTrack(removeTracks.shift());\n        }\n      };\n\n      this[props.getterName + 'Listeners_'] = listeners;\n      Object.keys(listeners).forEach(function (eventName) {\n        var listener = listeners[eventName];\n        elTracks.addEventListener(eventName, listener);\n\n        _this3.on('dispose', function (e) {\n          return elTracks.removeEventListener(eventName, listener);\n        });\n      }); // Remove (native) tracks that are not used anymore\n\n      this.on('loadstart', removeOldTracks);\n      this.on('dispose', function (e) {\n        return _this3.off('loadstart', removeOldTracks);\n      });\n    }\n    /**\n     * Proxy all native track list events to our track lists if the browser we are playing\n     * in supports that type of track list.\n     *\n     * @private\n     */\n    ;\n\n    _proto.proxyNativeTracks_ = function proxyNativeTracks_() {\n      var _this4 = this;\n\n      NORMAL.names.forEach(function (name) {\n        _this4.proxyNativeTracksForType_(name);\n      });\n    }\n    /**\n     * Create the `Html5` Tech's DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var el = this.options_.tag; // Check if this browser supports moving the element into the box.\n      // On the iPhone video will break if you move the element,\n      // So we have to create a brand new element.\n      // If we ingested the player div, we do not need to move the media element.\n\n      if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {\n        // If the original tag is still there, clone and remove it.\n        if (el) {\n          var clone = el.cloneNode(true);\n\n          if (el.parentNode) {\n            el.parentNode.insertBefore(clone, el);\n          }\n\n          Html5.disposeMediaElement(el);\n          el = clone;\n        } else {\n          el = document.createElement('video'); // determine if native controls should be used\n\n          var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);\n          var attributes = mergeOptions({}, tagAttributes);\n\n          if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {\n            delete attributes.controls;\n          }\n\n          setAttributes(el, assign(attributes, {\n            id: this.options_.techId,\n            \"class\": 'vjs-tech'\n          }));\n        }\n\n        el.playerId = this.options_.playerId;\n      }\n\n      if (typeof this.options_.preload !== 'undefined') {\n        setAttribute(el, 'preload', this.options_.preload);\n      } // Update specific tag settings, in case they were overridden\n      // `autoplay` has to be *last* so that `muted` and `playsinline` are present\n      // when iOS/Safari or other browsers attempt to autoplay.\n\n\n      var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];\n\n      for (var i = 0; i < settingsAttrs.length; i++) {\n        var attr = settingsAttrs[i];\n        var value = this.options_[attr];\n\n        if (typeof value !== 'undefined') {\n          if (value) {\n            setAttribute(el, attr, attr);\n          } else {\n            removeAttribute(el, attr);\n          }\n\n          el[attr] = value;\n        }\n      }\n\n      return el;\n    }\n    /**\n     * This will be triggered if the loadstart event has already fired, before videojs was\n     * ready. Two known examples of when this can happen are:\n     * 1. If we're loading the playback object after it has started loading\n     * 2. The media is already playing the (often with autoplay on) then\n     *\n     * This function will fire another loadstart so that videojs can catchup.\n     *\n     * @fires Tech#loadstart\n     *\n     * @return {undefined}\n     *         returns nothing.\n     */\n    ;\n\n    _proto.handleLateInit_ = function handleLateInit_(el) {\n      if (el.networkState === 0 || el.networkState === 3) {\n        // The video element hasn't started loading the source yet\n        // or didn't find a source\n        return;\n      }\n\n      if (el.readyState === 0) {\n        // NetworkState is set synchronously BUT loadstart is fired at the\n        // end of the current stack, usually before setInterval(fn, 0).\n        // So at this point we know loadstart may have already fired or is\n        // about to fire, and either way the player hasn't seen it yet.\n        // We don't want to fire loadstart prematurely here and cause a\n        // double loadstart so we'll wait and see if it happens between now\n        // and the next loop, and fire it if not.\n        // HOWEVER, we also want to make sure it fires before loadedmetadata\n        // which could also happen between now and the next loop, so we'll\n        // watch for that also.\n        var loadstartFired = false;\n\n        var setLoadstartFired = function setLoadstartFired() {\n          loadstartFired = true;\n        };\n\n        this.on('loadstart', setLoadstartFired);\n\n        var triggerLoadstart = function triggerLoadstart() {\n          // We did miss the original loadstart. Make sure the player\n          // sees loadstart before loadedmetadata\n          if (!loadstartFired) {\n            this.trigger('loadstart');\n          }\n        };\n\n        this.on('loadedmetadata', triggerLoadstart);\n        this.ready(function () {\n          this.off('loadstart', setLoadstartFired);\n          this.off('loadedmetadata', triggerLoadstart);\n\n          if (!loadstartFired) {\n            // We did miss the original native loadstart. Fire it now.\n            this.trigger('loadstart');\n          }\n        });\n        return;\n      } // From here on we know that loadstart already fired and we missed it.\n      // The other readyState events aren't as much of a problem if we double\n      // them, so not going to go to as much trouble as loadstart to prevent\n      // that unless we find reason to.\n\n\n      var eventsToTrigger = ['loadstart']; // loadedmetadata: newly equal to HAVE_METADATA (1) or greater\n\n      eventsToTrigger.push('loadedmetadata'); // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater\n\n      if (el.readyState >= 2) {\n        eventsToTrigger.push('loadeddata');\n      } // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater\n\n\n      if (el.readyState >= 3) {\n        eventsToTrigger.push('canplay');\n      } // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)\n\n\n      if (el.readyState >= 4) {\n        eventsToTrigger.push('canplaythrough');\n      } // We still need to give the player time to add event listeners\n\n\n      this.ready(function () {\n        eventsToTrigger.forEach(function (type) {\n          this.trigger(type);\n        }, this);\n      });\n    }\n    /**\n     * Set current time for the `HTML5` tech.\n     *\n     * @param {number} seconds\n     *        Set the current time of the media to this.\n     */\n    ;\n\n    _proto.setCurrentTime = function setCurrentTime(seconds) {\n      try {\n        this.el_.currentTime = seconds;\n      } catch (e) {\n        log(e, 'Video is not ready. (Video.js)'); // this.warning(VideoJS.warnings.videoNotReady);\n      }\n    }\n    /**\n     * Get the current duration of the HTML5 media element.\n     *\n     * @return {number}\n     *         The duration of the media or 0 if there is no duration.\n     */\n    ;\n\n    _proto.duration = function duration() {\n      var _this5 = this;\n\n      // Android Chrome will report duration as Infinity for VOD HLS until after\n      // playback has started, which triggers the live display erroneously.\n      // Return NaN if playback has not started and trigger a durationupdate once\n      // the duration can be reliably known.\n      if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {\n        // Wait for the first `timeupdate` with currentTime > 0 - there may be\n        // several with 0\n        var checkProgress = function checkProgress() {\n          if (_this5.el_.currentTime > 0) {\n            // Trigger durationchange for genuinely live video\n            if (_this5.el_.duration === Infinity) {\n              _this5.trigger('durationchange');\n            }\n\n            _this5.off('timeupdate', checkProgress);\n          }\n        };\n\n        this.on('timeupdate', checkProgress);\n        return NaN;\n      }\n\n      return this.el_.duration || NaN;\n    }\n    /**\n     * Get the current width of the HTML5 media element.\n     *\n     * @return {number}\n     *         The width of the HTML5 media element.\n     */\n    ;\n\n    _proto.width = function width() {\n      return this.el_.offsetWidth;\n    }\n    /**\n     * Get the current height of the HTML5 media element.\n     *\n     * @return {number}\n     *         The height of the HTML5 media element.\n     */\n    ;\n\n    _proto.height = function height() {\n      return this.el_.offsetHeight;\n    }\n    /**\n     * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into\n     * `fullscreenchange` event.\n     *\n     * @private\n     * @fires fullscreenchange\n     * @listens webkitendfullscreen\n     * @listens webkitbeginfullscreen\n     * @listens webkitbeginfullscreen\n     */\n    ;\n\n    _proto.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {\n      var _this6 = this;\n\n      if (!('webkitDisplayingFullscreen' in this.el_)) {\n        return;\n      }\n\n      var endFn = function endFn() {\n        this.trigger('fullscreenchange', {\n          isFullscreen: false\n        });\n      };\n\n      var beginFn = function beginFn() {\n        if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {\n          this.one('webkitendfullscreen', endFn);\n          this.trigger('fullscreenchange', {\n            isFullscreen: true\n          });\n        }\n      };\n\n      this.on('webkitbeginfullscreen', beginFn);\n      this.on('dispose', function () {\n        _this6.off('webkitbeginfullscreen', beginFn);\n\n        _this6.off('webkitendfullscreen', endFn);\n      });\n    }\n    /**\n     * Check if fullscreen is supported on the current playback device.\n     *\n     * @return {boolean}\n     *         - True if fullscreen is supported.\n     *         - False if fullscreen is not supported.\n     */\n    ;\n\n    _proto.supportsFullScreen = function supportsFullScreen() {\n      if (typeof this.el_.webkitEnterFullScreen === 'function') {\n        var userAgent = window$3.navigator && window$3.navigator.userAgent || ''; // Seems to be broken in Chromium/Chrome && Safari in Leopard\n\n        if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {\n          return true;\n        }\n      }\n\n      return false;\n    }\n    /**\n     * Request that the `HTML5` Tech enter fullscreen.\n     */\n    ;\n\n    _proto.enterFullScreen = function enterFullScreen() {\n      var video = this.el_;\n\n      if (video.paused && video.networkState <= video.HAVE_METADATA) {\n        // attempt to prime the video element for programmatic access\n        // this isn't necessary on the desktop but shouldn't hurt\n        this.el_.play(); // playing and pausing synchronously during the transition to fullscreen\n        // can get iOS ~6.1 devices into a play/pause loop\n\n        this.setTimeout(function () {\n          video.pause();\n          video.webkitEnterFullScreen();\n        }, 0);\n      } else {\n        video.webkitEnterFullScreen();\n      }\n    }\n    /**\n     * Request that the `HTML5` Tech exit fullscreen.\n     */\n    ;\n\n    _proto.exitFullScreen = function exitFullScreen() {\n      this.el_.webkitExitFullScreen();\n    }\n    /**\n     * Create a floating video window always on top of other windows so that users may\n     * continue consuming media while they interact with other content sites, or\n     * applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @return {Promise}\n     *         A promise with a Picture-in-Picture window.\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      return this.el_.requestPictureInPicture();\n    }\n    /**\n     * A getter/setter for the `Html5` Tech's source object.\n     * > Note: Please use {@link Html5#setSource}\n     *\n     * @param {Tech~SourceObject} [src]\n     *        The source object you want to set on the `HTML5` techs element.\n     *\n     * @return {Tech~SourceObject|undefined}\n     *         - The current source object when a source is not passed in.\n     *         - undefined when setting\n     *\n     * @deprecated Since version 5.\n     */\n    ;\n\n    _proto.src = function src(_src) {\n      if (_src === undefined) {\n        return this.el_.src;\n      } // Setting src through `src` instead of `setSrc` will be deprecated\n\n\n      this.setSrc(_src);\n    }\n    /**\n     * Reset the tech by removing all sources and then calling\n     * {@link Html5.resetMediaElement}.\n     */\n    ;\n\n    _proto.reset = function reset() {\n      Html5.resetMediaElement(this.el_);\n    }\n    /**\n     * Get the current source on the `HTML5` Tech. Falls back to returning the source from\n     * the HTML5 media element.\n     *\n     * @return {Tech~SourceObject}\n     *         The current source object from the HTML5 tech. With a fallback to the\n     *         elements source.\n     */\n    ;\n\n    _proto.currentSrc = function currentSrc() {\n      if (this.currentSource_) {\n        return this.currentSource_.src;\n      }\n\n      return this.el_.currentSrc;\n    }\n    /**\n     * Set controls attribute for the HTML5 media Element.\n     *\n     * @param {string} val\n     *        Value to set the controls attribute to\n     */\n    ;\n\n    _proto.setControls = function setControls(val) {\n      this.el_.controls = !!val;\n    }\n    /**\n     * Create and returns a remote {@link TextTrack} object.\n     *\n     * @param {string} kind\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n     *\n     * @param {string} [label]\n     *        Label to identify the text track\n     *\n     * @param {string} [language]\n     *        Two letter language abbreviation\n     *\n     * @return {TextTrack}\n     *         The TextTrack that gets created.\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (!this.featuresNativeTextTracks) {\n        return _Tech.prototype.addTextTrack.call(this, kind, label, language);\n      }\n\n      return this.el_.addTextTrack(kind, label, language);\n    }\n    /**\n     * Creates either native TextTrack or an emulated TextTrack depending\n     * on the value of `featuresNativeTextTracks`\n     *\n     * @param {Object} options\n     *        The object should contain the options to initialize the TextTrack with.\n     *\n     * @param {string} [options.kind]\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).\n     *\n     * @param {string} [options.label]\n     *        Label to identify the text track\n     *\n     * @param {string} [options.language]\n     *        Two letter language abbreviation.\n     *\n     * @param {boolean} [options.default]\n     *        Default this track to on.\n     *\n     * @param {string} [options.id]\n     *        The internal id to assign this track.\n     *\n     * @param {string} [options.src]\n     *        A source url for the track.\n     *\n     * @return {HTMLTrackElement}\n     *         The track element that gets created.\n     */\n    ;\n\n    _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {\n      if (!this.featuresNativeTextTracks) {\n        return _Tech.prototype.createRemoteTextTrack.call(this, options);\n      }\n\n      var htmlTrackElement = document.createElement('track');\n\n      if (options.kind) {\n        htmlTrackElement.kind = options.kind;\n      }\n\n      if (options.label) {\n        htmlTrackElement.label = options.label;\n      }\n\n      if (options.language || options.srclang) {\n        htmlTrackElement.srclang = options.language || options.srclang;\n      }\n\n      if (options[\"default\"]) {\n        htmlTrackElement[\"default\"] = options[\"default\"];\n      }\n\n      if (options.id) {\n        htmlTrackElement.id = options.id;\n      }\n\n      if (options.src) {\n        htmlTrackElement.src = options.src;\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Creates a remote text track object and returns an html track element.\n     *\n     * @param {Object} options The object should contain values for\n     * kind, language, label, and src (location of the WebVTT file)\n     * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be\n     * automatically removed from the video element whenever the source changes\n     * @return {HTMLTrackElement} An Html Track Element.\n     * This can be an emulated {@link HTMLTrackElement} or a native one.\n     * @deprecated The default value of the \"manualCleanup\" parameter will default\n     * to \"false\" in upcoming versions of Video.js\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);\n\n      if (this.featuresNativeTextTracks) {\n        this.el().appendChild(htmlTrackElement);\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Remove remote `TextTrack` from `TextTrackList` object\n     *\n     * @param {TextTrack} track\n     *        `TextTrack` object to remove\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {\n      _Tech.prototype.removeRemoteTextTrack.call(this, track);\n\n      if (this.featuresNativeTextTracks) {\n        var tracks = this.$$('track');\n        var i = tracks.length;\n\n        while (i--) {\n          if (track === tracks[i] || track === tracks[i].track) {\n            this.el().removeChild(tracks[i]);\n          }\n        }\n      }\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object}\n     *         An object with supported media playback quality metrics\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      if (typeof this.el().getVideoPlaybackQuality === 'function') {\n        return this.el().getVideoPlaybackQuality();\n      }\n\n      var videoPlaybackQuality = {};\n\n      if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {\n        videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;\n        videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;\n      }\n\n      if (window$3.performance && typeof window$3.performance.now === 'function') {\n        videoPlaybackQuality.creationTime = window$3.performance.now();\n      } else if (window$3.performance && window$3.performance.timing && typeof window$3.performance.timing.navigationStart === 'number') {\n        videoPlaybackQuality.creationTime = window$3.Date.now() - window$3.performance.timing.navigationStart;\n      }\n\n      return videoPlaybackQuality;\n    };\n\n    return Html5;\n  }(Tech);\n  /* HTML5 Support Testing ---------------------------------------------------- */\n\n  /**\n   * Element for testing browser HTML5 media capabilities\n   *\n   * @type {Element}\n   * @constant\n   * @private\n   */\n\n\n  defineLazyProperty(Html5, 'TEST_VID', function () {\n    if (!isReal()) {\n      return;\n    }\n\n    var video = document.createElement('video');\n    var track = document.createElement('track');\n    track.kind = 'captions';\n    track.srclang = 'en';\n    track.label = 'English';\n    video.appendChild(track);\n    return video;\n  });\n  /**\n   * Check if HTML5 media is supported by this browser/device.\n   *\n   * @return {boolean}\n   *         - True if HTML5 media is supported.\n   *         - False if HTML5 media is not supported.\n   */\n\n  Html5.isSupported = function () {\n    // IE with no Media Player is a LIAR! (#984)\n    try {\n      Html5.TEST_VID.volume = 0.5;\n    } catch (e) {\n      return false;\n    }\n\n    return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);\n  };\n  /**\n   * Check if the tech can support the given type\n   *\n   * @param {string} type\n   *        The mimetype to check\n   * @return {string} 'probably', 'maybe', or '' (empty string)\n   */\n\n\n  Html5.canPlayType = function (type) {\n    return Html5.TEST_VID.canPlayType(type);\n  };\n  /**\n   * Check if the tech can support the given source\n   *\n   * @param {Object} srcObj\n   *        The source object\n   * @param {Object} options\n   *        The options passed to the tech\n   * @return {string} 'probably', 'maybe', or '' (empty string)\n   */\n\n\n  Html5.canPlaySource = function (srcObj, options) {\n    return Html5.canPlayType(srcObj.type);\n  };\n  /**\n   * Check if the volume can be changed in this browser/device.\n   * Volume cannot be changed in a lot of mobile devices.\n   * Specifically, it can't be changed from 1 on iOS.\n   *\n   * @return {boolean}\n   *         - True if volume can be controlled\n   *         - False otherwise\n   */\n\n\n  Html5.canControlVolume = function () {\n    // IE will error if Windows Media Player not installed #3315\n    try {\n      var volume = Html5.TEST_VID.volume;\n      Html5.TEST_VID.volume = volume / 2 + 0.1;\n      return volume !== Html5.TEST_VID.volume;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if the volume can be muted in this browser/device.\n   * Some devices, e.g. iOS, don't allow changing volume\n   * but permits muting/unmuting.\n   *\n   * @return {bolean}\n   *      - True if volume can be muted\n   *      - False otherwise\n   */\n\n\n  Html5.canMuteVolume = function () {\n    try {\n      var muted = Html5.TEST_VID.muted; // in some versions of iOS muted property doesn't always\n      // work, so we want to set both property and attribute\n\n      Html5.TEST_VID.muted = !muted;\n\n      if (Html5.TEST_VID.muted) {\n        setAttribute(Html5.TEST_VID, 'muted', 'muted');\n      } else {\n        removeAttribute(Html5.TEST_VID, 'muted', 'muted');\n      }\n\n      return muted !== Html5.TEST_VID.muted;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if the playback rate can be changed in this browser/device.\n   *\n   * @return {boolean}\n   *         - True if playback rate can be controlled\n   *         - False otherwise\n   */\n\n\n  Html5.canControlPlaybackRate = function () {\n    // Playback rate API is implemented in Android Chrome, but doesn't do anything\n    // https://github.com/videojs/video.js/issues/3180\n    if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {\n      return false;\n    } // IE will error if Windows Media Player not installed #3315\n\n\n    try {\n      var playbackRate = Html5.TEST_VID.playbackRate;\n      Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;\n      return playbackRate !== Html5.TEST_VID.playbackRate;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if we can override a video/audio elements attributes, with\n   * Object.defineProperty.\n   *\n   * @return {boolean}\n   *         - True if builtin attributes can be overridden\n   *         - False otherwise\n   */\n\n\n  Html5.canOverrideAttributes = function () {\n    // if we cannot overwrite the src/innerHTML property, there is no support\n    // iOS 7 safari for instance cannot do this.\n    try {\n      var noop = function noop() {};\n\n      Object.defineProperty(document.createElement('video'), 'src', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('audio'), 'src', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('video'), 'innerHTML', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('audio'), 'innerHTML', {\n        get: noop,\n        set: noop\n      });\n    } catch (e) {\n      return false;\n    }\n\n    return true;\n  };\n  /**\n   * Check to see if native `TextTrack`s are supported by this browser/device.\n   *\n   * @return {boolean}\n   *         - True if native `TextTrack`s are supported.\n   *         - False otherwise\n   */\n\n\n  Html5.supportsNativeTextTracks = function () {\n    return IS_ANY_SAFARI || IS_IOS && IS_CHROME;\n  };\n  /**\n   * Check to see if native `VideoTrack`s are supported by this browser/device\n   *\n   * @return {boolean}\n   *        - True if native `VideoTrack`s are supported.\n   *        - False otherwise\n   */\n\n\n  Html5.supportsNativeVideoTracks = function () {\n    return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);\n  };\n  /**\n   * Check to see if native `AudioTrack`s are supported by this browser/device\n   *\n   * @return {boolean}\n   *        - True if native `AudioTrack`s are supported.\n   *        - False otherwise\n   */\n\n\n  Html5.supportsNativeAudioTracks = function () {\n    return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);\n  };\n  /**\n   * An array of events available on the Html5 tech.\n   *\n   * @private\n   * @type {Array}\n   */\n\n\n  Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];\n  /**\n   * Boolean indicating whether the `Tech` supports volume control.\n   *\n   * @type {boolean}\n   * @default {@link Html5.canControlVolume}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports muting volume.\n   *\n   * @type {bolean}\n   * @default {@link Html5.canMuteVolume}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports changing the speed at which the media\n   * plays. Examples:\n   *   - Set player to play 2x (twice) as fast\n   *   - Set player to play 0.5x (half) as fast\n   *\n   * @type {boolean}\n   * @default {@link Html5.canControlPlaybackRate}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports the `sourceset` event.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeTextTracks}\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeVideoTracks}\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeAudioTracks}\n   */\n\n  [['featuresVolumeControl', 'canControlVolume'], ['featuresMuteControl', 'canMuteVolume'], ['featuresPlaybackRate', 'canControlPlaybackRate'], ['featuresSourceset', 'canOverrideAttributes'], ['featuresNativeTextTracks', 'supportsNativeTextTracks'], ['featuresNativeVideoTracks', 'supportsNativeVideoTracks'], ['featuresNativeAudioTracks', 'supportsNativeAudioTracks']].forEach(function (_ref) {\n    var key = _ref[0],\n        fn = _ref[1];\n    defineLazyProperty(Html5.prototype, key, function () {\n      return Html5[fn]();\n    }, true);\n  });\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the media element\n   * moving in the DOM. iOS breaks if you move the media element, so this is set this to\n   * false there. Everywhere else this should be true.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.movingMediaElementInDOM = !IS_IOS; // TODO: Previous comment: No longer appears to be used. Can probably be removed.\n  //       Is this true?\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports automatic media resize\n   * when going into fullscreen.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.featuresFullscreenResize = true;\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the progress event.\n   * If this is false, manual `progress` events will be triggered instead.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.featuresProgressEvents = true;\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.\n   * If this is false, manual `timeupdate` events will be triggered instead.\n   *\n   * @default\n   */\n\n  Html5.prototype.featuresTimeupdateEvents = true; // HTML5 Feature detection and Device Fixes --------------------------------- //\n\n  var canPlayType;\n\n  Html5.patchCanPlayType = function () {\n    // Android 4.0 and above can play HLS to some extent but it reports being unable to do so\n    // Firefox and Chrome report correctly\n    if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {\n      canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;\n\n      Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {\n        var mpegurlRE = /^application\\/(?:x-|vnd\\.apple\\.)mpegurl/i;\n\n        if (type && mpegurlRE.test(type)) {\n          return 'maybe';\n        }\n\n        return canPlayType.call(this, type);\n      };\n    }\n  };\n\n  Html5.unpatchCanPlayType = function () {\n    var r = Html5.TEST_VID.constructor.prototype.canPlayType;\n\n    if (canPlayType) {\n      Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;\n    }\n\n    return r;\n  }; // by default, patch the media element\n\n\n  Html5.patchCanPlayType();\n\n  Html5.disposeMediaElement = function (el) {\n    if (!el) {\n      return;\n    }\n\n    if (el.parentNode) {\n      el.parentNode.removeChild(el);\n    } // remove any child track or source nodes to prevent their loading\n\n\n    while (el.hasChildNodes()) {\n      el.removeChild(el.firstChild);\n    } // remove any src reference. not setting `src=''` because that causes a warning\n    // in firefox\n\n\n    el.removeAttribute('src'); // force the media element to update its loading state by calling load()\n    // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)\n\n    if (typeof el.load === 'function') {\n      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)\n      (function () {\n        try {\n          el.load();\n        } catch (e) {// not supported\n        }\n      })();\n    }\n  };\n\n  Html5.resetMediaElement = function (el) {\n    if (!el) {\n      return;\n    }\n\n    var sources = el.querySelectorAll('source');\n    var i = sources.length;\n\n    while (i--) {\n      el.removeChild(sources[i]);\n    } // remove any src reference.\n    // not setting `src=''` because that throws an error\n\n\n    el.removeAttribute('src');\n\n    if (typeof el.load === 'function') {\n      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)\n      (function () {\n        try {\n          el.load();\n        } catch (e) {// satisfy linter\n        }\n      })();\n    }\n  };\n  /* Native HTML5 element property wrapping ----------------------------------- */\n  // Wrap native boolean attributes with getters that check both property and attribute\n  // The list is as followed:\n  // muted, defaultMuted, autoplay, controls, loop, playsinline\n\n\n  [\n  /**\n   * Get the value of `muted` from the media element. `muted` indicates\n   * that the volume for the media should be set to silent. This does not actually change\n   * the `volume` attribute.\n   *\n   * @method Html5#muted\n   * @return {boolean}\n   *         - True if the value of `volume` should be ignored and the audio set to silent.\n   *         - False if the value of `volume` should be used.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}\n   */\n  'muted',\n  /**\n   * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates\n   * whether the media should start muted or not. Only changes the default state of the\n   * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the\n   * current state.\n   *\n   * @method Html5#defaultMuted\n   * @return {boolean}\n   *         - The value of `defaultMuted` from the media element.\n   *         - True indicates that the media should start muted.\n   *         - False indicates that the media should not start muted\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}\n   */\n  'defaultMuted',\n  /**\n   * Get the value of `autoplay` from the media element. `autoplay` indicates\n   * that the media should start to play as soon as the page is ready.\n   *\n   * @method Html5#autoplay\n   * @return {boolean}\n   *         - The value of `autoplay` from the media element.\n   *         - True indicates that the media should start as soon as the page loads.\n   *         - False indicates that the media should not start as soon as the page loads.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}\n   */\n  'autoplay',\n  /**\n   * Get the value of `controls` from the media element. `controls` indicates\n   * whether the native media controls should be shown or hidden.\n   *\n   * @method Html5#controls\n   * @return {boolean}\n   *         - The value of `controls` from the media element.\n   *         - True indicates that native controls should be showing.\n   *         - False indicates that native controls should be hidden.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}\n   */\n  'controls',\n  /**\n   * Get the value of `loop` from the media element. `loop` indicates\n   * that the media should return to the start of the media and continue playing once\n   * it reaches the end.\n   *\n   * @method Html5#loop\n   * @return {boolean}\n   *         - The value of `loop` from the media element.\n   *         - True indicates that playback should seek back to start once\n   *           the end of a media is reached.\n   *         - False indicates that playback should not loop back to the start when the\n   *           end of the media is reached.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}\n   */\n  'loop',\n  /**\n   * Get the value of `playsinline` from the media element. `playsinline` indicates\n   * to the browser that non-fullscreen playback is preferred when fullscreen\n   * playback is the native default, such as in iOS Safari.\n   *\n   * @method Html5#playsinline\n   * @return {boolean}\n   *         - The value of `playsinline` from the media element.\n   *         - True indicates that the media should play inline.\n   *         - False indicates that the media should not play inline.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n   */\n  'playsinline'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop] || this.el_.hasAttribute(prop);\n    };\n  }); // Wrap native boolean attributes with setters that set both property and attribute\n  // The list is as followed:\n  // setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline\n  // setControls is special-cased above\n\n  [\n  /**\n   * Set the value of `muted` on the media element. `muted` indicates that the current\n   * audio level should be silent.\n   *\n   * @method Html5#setMuted\n   * @param {boolean} muted\n   *        - True if the audio should be set to silent\n   *        - False otherwise\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}\n   */\n  'muted',\n  /**\n   * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current\n   * audio level should be silent, but will only effect the muted level on intial playback..\n   *\n   * @method Html5.prototype.setDefaultMuted\n   * @param {boolean} defaultMuted\n   *        - True if the audio should be set to silent\n   *        - False otherwise\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}\n   */\n  'defaultMuted',\n  /**\n   * Set the value of `autoplay` on the media element. `autoplay` indicates\n   * that the media should start to play as soon as the page is ready.\n   *\n   * @method Html5#setAutoplay\n   * @param {boolean} autoplay\n   *         - True indicates that the media should start as soon as the page loads.\n   *         - False indicates that the media should not start as soon as the page loads.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}\n   */\n  'autoplay',\n  /**\n   * Set the value of `loop` on the media element. `loop` indicates\n   * that the media should return to the start of the media and continue playing once\n   * it reaches the end.\n   *\n   * @method Html5#setLoop\n   * @param {boolean} loop\n   *         - True indicates that playback should seek back to start once\n   *           the end of a media is reached.\n   *         - False indicates that playback should not loop back to the start when the\n   *           end of the media is reached.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}\n   */\n  'loop',\n  /**\n   * Set the value of `playsinline` from the media element. `playsinline` indicates\n   * to the browser that non-fullscreen playback is preferred when fullscreen\n   * playback is the native default, such as in iOS Safari.\n   *\n   * @method Html5#setPlaysinline\n   * @param {boolean} playsinline\n   *         - True indicates that the media should play inline.\n   *         - False indicates that the media should not play inline.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n   */\n  'playsinline'].forEach(function (prop) {\n    Html5.prototype['set' + toTitleCase(prop)] = function (v) {\n      this.el_[prop] = v;\n\n      if (v) {\n        this.el_.setAttribute(prop, prop);\n      } else {\n        this.el_.removeAttribute(prop);\n      }\n    };\n  }); // Wrap native properties with a getter\n  // The list is as followed\n  // paused, currentTime, buffered, volume, poster, preload, error, seeking\n  // seekable, ended, playbackRate, defaultPlaybackRate, played, networkState\n  // readyState, videoWidth, videoHeight\n\n  [\n  /**\n   * Get the value of `paused` from the media element. `paused` indicates whether the media element\n   * is currently paused or not.\n   *\n   * @method Html5#paused\n   * @return {boolean}\n   *         The value of `paused` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}\n   */\n  'paused',\n  /**\n   * Get the value of `currentTime` from the media element. `currentTime` indicates\n   * the current second that the media is at in playback.\n   *\n   * @method Html5#currentTime\n   * @return {number}\n   *         The value of `currentTime` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}\n   */\n  'currentTime',\n  /**\n   * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`\n   * object that represents the parts of the media that are already downloaded and\n   * available for playback.\n   *\n   * @method Html5#buffered\n   * @return {TimeRange}\n   *         The value of `buffered` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}\n   */\n  'buffered',\n  /**\n   * Get the value of `volume` from the media element. `volume` indicates\n   * the current playback volume of audio for a media. `volume` will be a value from 0\n   * (silent) to 1 (loudest and default).\n   *\n   * @method Html5#volume\n   * @return {number}\n   *         The value of `volume` from the media element. Value will be between 0-1.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}\n   */\n  'volume',\n  /**\n   * Get the value of `poster` from the media element. `poster` indicates\n   * that the url of an image file that can/will be shown when no media data is available.\n   *\n   * @method Html5#poster\n   * @return {string}\n   *         The value of `poster` from the media element. Value will be a url to an\n   *         image.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}\n   */\n  'poster',\n  /**\n   * Get the value of `preload` from the media element. `preload` indicates\n   * what should download before the media is interacted with. It can have the following\n   * values:\n   * - none: nothing should be downloaded\n   * - metadata: poster and the first few frames of the media may be downloaded to get\n   *   media dimensions and other metadata\n   * - auto: allow the media and metadata for the media to be downloaded before\n   *    interaction\n   *\n   * @method Html5#preload\n   * @return {string}\n   *         The value of `preload` from the media element. Will be 'none', 'metadata',\n   *         or 'auto'.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}\n   */\n  'preload',\n  /**\n   * Get the value of the `error` from the media element. `error` indicates any\n   * MediaError that may have occurred during playback. If error returns null there is no\n   * current error.\n   *\n   * @method Html5#error\n   * @return {MediaError|null}\n   *         The value of `error` from the media element. Will be `MediaError` if there\n   *         is a current error and null otherwise.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}\n   */\n  'error',\n  /**\n   * Get the value of `seeking` from the media element. `seeking` indicates whether the\n   * media is currently seeking to a new position or not.\n   *\n   * @method Html5#seeking\n   * @return {boolean}\n   *         - The value of `seeking` from the media element.\n   *         - True indicates that the media is currently seeking to a new position.\n   *         - False indicates that the media is not seeking to a new position at this time.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}\n   */\n  'seeking',\n  /**\n   * Get the value of `seekable` from the media element. `seekable` returns a\n   * `TimeRange` object indicating ranges of time that can currently be `seeked` to.\n   *\n   * @method Html5#seekable\n   * @return {TimeRange}\n   *         The value of `seekable` from the media element. A `TimeRange` object\n   *         indicating the current ranges of time that can be seeked to.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}\n   */\n  'seekable',\n  /**\n   * Get the value of `ended` from the media element. `ended` indicates whether\n   * the media has reached the end or not.\n   *\n   * @method Html5#ended\n   * @return {boolean}\n   *         - The value of `ended` from the media element.\n   *         - True indicates that the media has ended.\n   *         - False indicates that the media has not ended.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}\n   */\n  'ended',\n  /**\n   * Get the value of `playbackRate` from the media element. `playbackRate` indicates\n   * the rate at which the media is currently playing back. Examples:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5#playbackRate\n   * @return {number}\n   *         The value of `playbackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'playbackRate',\n  /**\n   * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates\n   * the rate at which the media is currently playing back. This value will not indicate the current\n   * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.\n   *\n   * Examples:\n   *   - if defaultPlaybackRate is set to 2, media will play twice as fast.\n   *   - if defaultPlaybackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5.prototype.defaultPlaybackRate\n   * @return {number}\n   *         The value of `defaultPlaybackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'defaultPlaybackRate',\n  /**\n   * Get the value of `played` from the media element. `played` returns a `TimeRange`\n   * object representing points in the media timeline that have been played.\n   *\n   * @method Html5#played\n   * @return {TimeRange}\n   *         The value of `played` from the media element. A `TimeRange` object indicating\n   *         the ranges of time that have been played.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}\n   */\n  'played',\n  /**\n   * Get the value of `networkState` from the media element. `networkState` indicates\n   * the current network state. It returns an enumeration from the following list:\n   * - 0: NETWORK_EMPTY\n   * - 1: NETWORK_IDLE\n   * - 2: NETWORK_LOADING\n   * - 3: NETWORK_NO_SOURCE\n   *\n   * @method Html5#networkState\n   * @return {number}\n   *         The value of `networkState` from the media element. This will be a number\n   *         from the list in the description.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}\n   */\n  'networkState',\n  /**\n   * Get the value of `readyState` from the media element. `readyState` indicates\n   * the current state of the media element. It returns an enumeration from the\n   * following list:\n   * - 0: HAVE_NOTHING\n   * - 1: HAVE_METADATA\n   * - 2: HAVE_CURRENT_DATA\n   * - 3: HAVE_FUTURE_DATA\n   * - 4: HAVE_ENOUGH_DATA\n   *\n   * @method Html5#readyState\n   * @return {number}\n   *         The value of `readyState` from the media element. This will be a number\n   *         from the list in the description.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}\n   */\n  'readyState',\n  /**\n   * Get the value of `videoWidth` from the video element. `videoWidth` indicates\n   * the current width of the video in css pixels.\n   *\n   * @method Html5#videoWidth\n   * @return {number}\n   *         The value of `videoWidth` from the video element. This will be a number\n   *         in css pixels.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}\n   */\n  'videoWidth',\n  /**\n   * Get the value of `videoHeight` from the video element. `videoHeight` indicates\n   * the current height of the video in css pixels.\n   *\n   * @method Html5#videoHeight\n   * @return {number}\n   *         The value of `videoHeight` from the video element. This will be a number\n   *         in css pixels.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}\n   */\n  'videoHeight'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop];\n    };\n  }); // Wrap native properties with a setter in this format:\n  // set + toTitleCase(name)\n  // The list is as follows:\n  // setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate\n\n  [\n  /**\n   * Set the value of `volume` on the media element. `volume` indicates the current\n   * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n   * so on.\n   *\n   * @method Html5#setVolume\n   * @param {number} percentAsDecimal\n   *        The volume percent as a decimal. Valid range is from 0-1.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}\n   */\n  'volume',\n  /**\n   * Set the value of `src` on the media element. `src` indicates the current\n   * {@link Tech~SourceObject} for the media.\n   *\n   * @method Html5#setSrc\n   * @param {Tech~SourceObject} src\n   *        The source object to set as the current source.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}\n   */\n  'src',\n  /**\n   * Set the value of `poster` on the media element. `poster` is the url to\n   * an image file that can/will be shown when no media data is available.\n   *\n   * @method Html5#setPoster\n   * @param {string} poster\n   *        The url to an image that should be used as the `poster` for the media\n   *        element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}\n   */\n  'poster',\n  /**\n   * Set the value of `preload` on the media element. `preload` indicates\n   * what should download before the media is interacted with. It can have the following\n   * values:\n   * - none: nothing should be downloaded\n   * - metadata: poster and the first few frames of the media may be downloaded to get\n   *   media dimensions and other metadata\n   * - auto: allow the media and metadata for the media to be downloaded before\n   *    interaction\n   *\n   * @method Html5#setPreload\n   * @param {string} preload\n   *         The value of `preload` to set on the media element. Must be 'none', 'metadata',\n   *         or 'auto'.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}\n   */\n  'preload',\n  /**\n   * Set the value of `playbackRate` on the media element. `playbackRate` indicates\n   * the rate at which the media should play back. Examples:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5#setPlaybackRate\n   * @return {number}\n   *         The value of `playbackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'playbackRate',\n  /**\n   * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates\n   * the rate at which the media should play back upon initial startup. Changing this value\n   * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.\n   *\n   * Example Values:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5.prototype.setDefaultPlaybackRate\n   * @return {number}\n   *         The value of `defaultPlaybackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}\n   */\n  'defaultPlaybackRate'].forEach(function (prop) {\n    Html5.prototype['set' + toTitleCase(prop)] = function (v) {\n      this.el_[prop] = v;\n    };\n  }); // wrap native functions with a function\n  // The list is as follows:\n  // pause, load, play\n\n  [\n  /**\n   * A wrapper around the media elements `pause` function. This will call the `HTML5`\n   * media elements `pause` function.\n   *\n   * @method Html5#pause\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}\n   */\n  'pause',\n  /**\n   * A wrapper around the media elements `load` function. This will call the `HTML5`s\n   * media element `load` function.\n   *\n   * @method Html5#load\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}\n   */\n  'load',\n  /**\n   * A wrapper around the media elements `play` function. This will call the `HTML5`s\n   * media element `play` function.\n   *\n   * @method Html5#play\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}\n   */\n  'play'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop]();\n    };\n  });\n  Tech.withSourceHandlers(Html5);\n  /**\n   * Native source handler for Html5, simply passes the source to the media element.\n   *\n   * @property {Tech~SourceObject} source\n   *        The source object\n   *\n   * @property {Html5} tech\n   *        The instance of the HTML5 tech.\n   */\n\n  Html5.nativeSourceHandler = {};\n  /**\n   * Check if the media element can play the given mime type.\n   *\n   * @param {string} type\n   *        The mimetype to check\n   *\n   * @return {string}\n   *         'probably', 'maybe', or '' (empty string)\n   */\n\n  Html5.nativeSourceHandler.canPlayType = function (type) {\n    // IE without MediaPlayer throws an error (#519)\n    try {\n      return Html5.TEST_VID.canPlayType(type);\n    } catch (e) {\n      return '';\n    }\n  };\n  /**\n   * Check if the media element can handle a source natively.\n   *\n   * @param {Tech~SourceObject} source\n   *         The source object\n   *\n   * @param {Object} [options]\n   *         Options to be passed to the tech.\n   *\n   * @return {string}\n   *         'probably', 'maybe', or '' (empty string).\n   */\n\n\n  Html5.nativeSourceHandler.canHandleSource = function (source, options) {\n    // If a type was provided we should rely on that\n    if (source.type) {\n      return Html5.nativeSourceHandler.canPlayType(source.type); // If no type, fall back to checking 'video/[EXTENSION]'\n    } else if (source.src) {\n      var ext = getFileExtension(source.src);\n      return Html5.nativeSourceHandler.canPlayType(\"video/\" + ext);\n    }\n\n    return '';\n  };\n  /**\n   * Pass the source to the native media element.\n   *\n   * @param {Tech~SourceObject} source\n   *        The source object\n   *\n   * @param {Html5} tech\n   *        The instance of the Html5 tech\n   *\n   * @param {Object} [options]\n   *        The options to pass to the source\n   */\n\n\n  Html5.nativeSourceHandler.handleSource = function (source, tech, options) {\n    tech.setSrc(source.src);\n  };\n  /**\n   * A noop for the native dispose function, as cleanup is not needed.\n   */\n\n\n  Html5.nativeSourceHandler.dispose = function () {}; // Register the native source handler\n\n\n  Html5.registerSourceHandler(Html5.nativeSourceHandler);\n  Tech.registerTech('Html5', Html5);\n\n  // on the player when they happen\n\n  var TECH_EVENTS_RETRIGGER = [\n  /**\n   * Fired while the user agent is downloading media data.\n   *\n   * @event Player#progress\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `progress` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechProgress_\n   * @fires Player#progress\n   * @listens Tech#progress\n   */\n  'progress',\n  /**\n   * Fires when the loading of an audio/video is aborted.\n   *\n   * @event Player#abort\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `abort` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechAbort_\n   * @fires Player#abort\n   * @listens Tech#abort\n   */\n  'abort',\n  /**\n   * Fires when the browser is intentionally not getting media data.\n   *\n   * @event Player#suspend\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `suspend` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechSuspend_\n   * @fires Player#suspend\n   * @listens Tech#suspend\n   */\n  'suspend',\n  /**\n   * Fires when the current playlist is empty.\n   *\n   * @event Player#emptied\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `emptied` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechEmptied_\n   * @fires Player#emptied\n   * @listens Tech#emptied\n   */\n  'emptied',\n  /**\n   * Fires when the browser is trying to get media data, but data is not available.\n   *\n   * @event Player#stalled\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `stalled` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechStalled_\n   * @fires Player#stalled\n   * @listens Tech#stalled\n   */\n  'stalled',\n  /**\n   * Fires when the browser has loaded meta data for the audio/video.\n   *\n   * @event Player#loadedmetadata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `stalled` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechLoadedmetadata_\n   * @fires Player#loadedmetadata\n   * @listens Tech#loadedmetadata\n   */\n  'loadedmetadata',\n  /**\n   * Fires when the browser has loaded the current frame of the audio/video.\n   *\n   * @event Player#loadeddata\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechLoaddeddata_\n   * @fires Player#loadeddata\n   * @listens Tech#loadeddata\n   */\n  'loadeddata',\n  /**\n   * Fires when the current playback position has changed.\n   *\n   * @event Player#timeupdate\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechTimeUpdate_\n   * @fires Player#timeupdate\n   * @listens Tech#timeupdate\n   */\n  'timeupdate',\n  /**\n   * Fires when the video's intrinsic dimensions change\n   *\n   * @event Player#resize\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `resize` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechResize_\n   * @fires Player#resize\n   * @listens Tech#resize\n   */\n  'resize',\n  /**\n   * Fires when the volume has been changed\n   *\n   * @event Player#volumechange\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `volumechange` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechVolumechange_\n   * @fires Player#volumechange\n   * @listens Tech#volumechange\n   */\n  'volumechange',\n  /**\n   * Fires when the text track has been changed\n   *\n   * @event Player#texttrackchange\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechTexttrackchange_\n   * @fires Player#texttrackchange\n   * @listens Tech#texttrackchange\n   */\n  'texttrackchange']; // events to queue when playback rate is zero\n  // this is a hash for the sole purpose of mapping non-camel-cased event names\n  // to camel-cased function names\n\n  var TECH_EVENTS_QUEUE = {\n    canplay: 'CanPlay',\n    canplaythrough: 'CanPlayThrough',\n    playing: 'Playing',\n    seeked: 'Seeked'\n  };\n  var BREAKPOINT_ORDER = ['tiny', 'xsmall', 'small', 'medium', 'large', 'xlarge', 'huge'];\n  var BREAKPOINT_CLASSES = {}; // grep: vjs-layout-tiny\n  // grep: vjs-layout-x-small\n  // grep: vjs-layout-small\n  // grep: vjs-layout-medium\n  // grep: vjs-layout-large\n  // grep: vjs-layout-x-large\n  // grep: vjs-layout-huge\n\n  BREAKPOINT_ORDER.forEach(function (k) {\n    var v = k.charAt(0) === 'x' ? \"x-\" + k.substring(1) : k;\n    BREAKPOINT_CLASSES[k] = \"vjs-layout-\" + v;\n  });\n  var DEFAULT_BREAKPOINTS = {\n    tiny: 210,\n    xsmall: 320,\n    small: 425,\n    medium: 768,\n    large: 1440,\n    xlarge: 2560,\n    huge: Infinity\n  };\n  /**\n   * An instance of the `Player` class is created when any of the Video.js setup methods\n   * are used to initialize a video.\n   *\n   * After an instance has been created it can be accessed globally in two ways:\n   * 1. By calling `videojs('example_video_1');`\n   * 2. By using it directly via  `videojs.players.example_video_1;`\n   *\n   * @extends Component\n   */\n\n  var Player = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Player, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Element} tag\n     *        The original video DOM element used for configuring options.\n     *\n     * @param {Object} [options]\n     *        Object of option names and values.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        Ready callback function.\n     */\n    function Player(tag, options, ready) {\n      var _this;\n\n      // Make sure tag ID exists\n      tag.id = tag.id || options.id || \"vjs_video_\" + newGUID(); // Set Options\n      // The options argument overrides options set in the video tag\n      // which overrides globally set options.\n      // This latter part coincides with the load order\n      // (tag must exist before Player)\n\n      options = assign(Player.getTagSettings(tag), options); // Delay the initialization of children because we need to set up\n      // player properties first, and can't use `this` before `super()`\n\n      options.initChildren = false; // Same with creating the element\n\n      options.createEl = false; // don't auto mixin the evented mixin\n\n      options.evented = false; // we don't want the player to report touch activity on itself\n      // see enableTouchActivity in Component\n\n      options.reportTouchActivity = false; // If language is not set, get the closest lang attribute\n\n      if (!options.language) {\n        if (typeof tag.closest === 'function') {\n          var closest = tag.closest('[lang]');\n\n          if (closest && closest.getAttribute) {\n            options.language = closest.getAttribute('lang');\n          }\n        } else {\n          var element = tag;\n\n          while (element && element.nodeType === 1) {\n            if (getAttributes(element).hasOwnProperty('lang')) {\n              options.language = element.getAttribute('lang');\n              break;\n            }\n\n            element = element.parentNode;\n          }\n        }\n      } // Run base component initializing with new options\n\n\n      _this = _Component.call(this, null, options, ready) || this; // Create bound methods for document listeners.\n\n      _this.boundDocumentFullscreenChange_ = bind(assertThisInitialized(_this), _this.documentFullscreenChange_);\n      _this.boundFullWindowOnEscKey_ = bind(assertThisInitialized(_this), _this.fullWindowOnEscKey); // default isFullscreen_ to false\n\n      _this.isFullscreen_ = false; // create logger\n\n      _this.log = createLogger$1(_this.id_); // Hold our own reference to fullscreen api so it can be mocked in tests\n\n      _this.fsApi_ = FullscreenApi; // Tracks when a tech changes the poster\n\n      _this.isPosterFromTech_ = false; // Holds callback info that gets queued when playback rate is zero\n      // and a seek is happening\n\n      _this.queuedCallbacks_ = []; // Turn off API access because we're loading a new tech that might load asynchronously\n\n      _this.isReady_ = false; // Init state hasStarted_\n\n      _this.hasStarted_ = false; // Init state userActive_\n\n      _this.userActive_ = false; // if the global option object was accidentally blown away by\n      // someone, bail early with an informative error\n\n      if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {\n        throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');\n      } // Store the original tag used to set options\n\n\n      _this.tag = tag; // Store the tag attributes used to restore html5 element\n\n      _this.tagAttributes = tag && getAttributes(tag); // Update current language\n\n      _this.language(_this.options_.language); // Update Supported Languages\n\n\n      if (options.languages) {\n        // Normalise player option languages to lowercase\n        var languagesToLower = {};\n        Object.getOwnPropertyNames(options.languages).forEach(function (name) {\n          languagesToLower[name.toLowerCase()] = options.languages[name];\n        });\n        _this.languages_ = languagesToLower;\n      } else {\n        _this.languages_ = Player.prototype.options_.languages;\n      }\n\n      _this.resetCache_(); // Set poster\n\n\n      _this.poster_ = options.poster || ''; // Set controls\n\n      _this.controls_ = !!options.controls; // Original tag settings stored in options\n      // now remove immediately so native controls don't flash.\n      // May be turned back on by HTML5 tech if nativeControlsForTouch is true\n\n      tag.controls = false;\n      tag.removeAttribute('controls');\n      _this.changingSrc_ = false;\n      _this.playCallbacks_ = [];\n      _this.playTerminatedQueue_ = []; // the attribute overrides the option\n\n      if (tag.hasAttribute('autoplay')) {\n        _this.autoplay(true);\n      } else {\n        // otherwise use the setter to validate and\n        // set the correct value.\n        _this.autoplay(_this.options_.autoplay);\n      } // check plugins\n\n\n      if (options.plugins) {\n        Object.keys(options.plugins).forEach(function (name) {\n          if (typeof _this[name] !== 'function') {\n            throw new Error(\"plugin \\\"\" + name + \"\\\" does not exist\");\n          }\n        });\n      }\n      /*\n       * Store the internal state of scrubbing\n       *\n       * @private\n       * @return {Boolean} True if the user is scrubbing\n       */\n\n\n      _this.scrubbing_ = false;\n      _this.el_ = _this.createEl(); // Make this an evented object and use `el_` as its event bus.\n\n      evented(assertThisInitialized(_this), {\n        eventBusKey: 'el_'\n      }); // listen to document and player fullscreenchange handlers so we receive those events\n      // before a user can receive them so we can update isFullscreen appropriately.\n      // make sure that we listen to fullscreenchange events before everything else to make sure that\n      // our isFullscreen method is updated properly for internal components as well as external.\n\n      if (_this.fsApi_.requestFullscreen) {\n        on(document, _this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);\n\n        _this.on(_this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);\n      }\n\n      if (_this.fluid_) {\n        _this.on('playerreset', _this.updateStyleEl_);\n      } // We also want to pass the original player options to each component and plugin\n      // as well so they don't need to reach back into the player for options later.\n      // We also need to do another copy of this.options_ so we don't end up with\n      // an infinite loop.\n\n\n      var playerOptionsCopy = mergeOptions(_this.options_); // Load plugins\n\n      if (options.plugins) {\n        Object.keys(options.plugins).forEach(function (name) {\n          _this[name](options.plugins[name]);\n        });\n      }\n\n      _this.options_.playerOptions = playerOptionsCopy;\n      _this.middleware_ = [];\n\n      _this.initChildren(); // Set isAudio based on whether or not an audio tag was used\n\n\n      _this.isAudio(tag.nodeName.toLowerCase() === 'audio'); // Update controls className. Can't do this when the controls are initially\n      // set because the element doesn't exist yet.\n\n\n      if (_this.controls()) {\n        _this.addClass('vjs-controls-enabled');\n      } else {\n        _this.addClass('vjs-controls-disabled');\n      } // Set ARIA label and region role depending on player type\n\n\n      _this.el_.setAttribute('role', 'region');\n\n      if (_this.isAudio()) {\n        _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));\n      } else {\n        _this.el_.setAttribute('aria-label', _this.localize('Video Player'));\n      }\n\n      if (_this.isAudio()) {\n        _this.addClass('vjs-audio');\n      }\n\n      if (_this.flexNotSupported_()) {\n        _this.addClass('vjs-no-flex');\n      } // TODO: Make this smarter. Toggle user state between touching/mousing\n      // using events, since devices can have both touch and mouse events.\n      // TODO: Make this check be performed again when the window switches between monitors\n      // (See https://github.com/videojs/video.js/issues/5683)\n\n\n      if (TOUCH_ENABLED) {\n        _this.addClass('vjs-touch-enabled');\n      } // iOS Safari has broken hover handling\n\n\n      if (!IS_IOS) {\n        _this.addClass('vjs-workinghover');\n      } // Make player easily findable by ID\n\n\n      Player.players[_this.id_] = assertThisInitialized(_this); // Add a major version class to aid css in plugins\n\n      var majorVersion = version.split('.')[0];\n\n      _this.addClass(\"vjs-v\" + majorVersion); // When the player is first initialized, trigger activity so components\n      // like the control bar show themselves if needed\n\n\n      _this.userActive(true);\n\n      _this.reportUserActivity();\n\n      _this.one('play', _this.listenForUserActivity_);\n\n      _this.on('stageclick', _this.handleStageClick_);\n\n      _this.on('keydown', _this.handleKeyDown);\n\n      _this.breakpoints(_this.options_.breakpoints);\n\n      _this.responsive(_this.options_.responsive);\n\n      return _this;\n    }\n    /**\n     * Destroys the video player and does any necessary cleanup.\n     *\n     * This is especially helpful if you are dynamically adding and removing videos\n     * to/from the DOM.\n     *\n     * @fires Player#dispose\n     */\n\n\n    var _proto = Player.prototype;\n\n    _proto.dispose = function dispose() {\n      var _this2 = this;\n\n      /**\n       * Called when the player is being disposed of.\n       *\n       * @event Player#dispose\n       * @type {EventTarget~Event}\n       */\n      this.trigger('dispose'); // prevent dispose from being called twice\n\n      this.off('dispose'); // Make sure all player-specific document listeners are unbound. This is\n\n      off(document, this.fsApi_.fullscreenchange, this.boundDocumentFullscreenChange_);\n      off(document, 'keydown', this.boundFullWindowOnEscKey_);\n\n      if (this.styleEl_ && this.styleEl_.parentNode) {\n        this.styleEl_.parentNode.removeChild(this.styleEl_);\n        this.styleEl_ = null;\n      } // Kill reference to this player\n\n\n      Player.players[this.id_] = null;\n\n      if (this.tag && this.tag.player) {\n        this.tag.player = null;\n      }\n\n      if (this.el_ && this.el_.player) {\n        this.el_.player = null;\n      }\n\n      if (this.tech_) {\n        this.tech_.dispose();\n        this.isPosterFromTech_ = false;\n        this.poster_ = '';\n      }\n\n      if (this.playerElIngest_) {\n        this.playerElIngest_ = null;\n      }\n\n      if (this.tag) {\n        this.tag = null;\n      }\n\n      clearCacheForPlayer(this); // remove all event handlers for track lists\n      // all tracks and track listeners are removed on\n      // tech dispose\n\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n\n        var list = _this2[props.getterName](); // if it is not a native list\n        // we have to manually remove event listeners\n\n\n        if (list && list.off) {\n          list.off();\n        }\n      }); // the actual .el_ is removed here\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Create the `Player`'s DOM element.\n     *\n     * @return {Element}\n     *         The DOM element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var tag = this.tag;\n      var el;\n      var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');\n      var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';\n\n      if (playerElIngest) {\n        el = this.el_ = tag.parentNode;\n      } else if (!divEmbed) {\n        el = this.el_ = _Component.prototype.createEl.call(this, 'div');\n      } // Copy over all the attributes from the tag, including ID and class\n      // ID will now reference player box, not the video tag\n\n\n      var attrs = getAttributes(tag);\n\n      if (divEmbed) {\n        el = this.el_ = tag;\n        tag = this.tag = document.createElement('video');\n\n        while (el.children.length) {\n          tag.appendChild(el.firstChild);\n        }\n\n        if (!hasClass(el, 'video-js')) {\n          addClass(el, 'video-js');\n        }\n\n        el.appendChild(tag);\n        playerElIngest = this.playerElIngest_ = el; // move properties over from our custom `video-js` element\n        // to our new `video` element. This will move things like\n        // `src` or `controls` that were set via js before the player\n        // was initialized.\n\n        Object.keys(el).forEach(function (k) {\n          try {\n            tag[k] = el[k];\n          } catch (e) {// we got a a property like outerHTML which we can't actually copy, ignore it\n          }\n        });\n      } // set tabindex to -1 to remove the video element from the focus order\n\n\n      tag.setAttribute('tabindex', '-1');\n      attrs.tabindex = '-1'; // Workaround for #4583 (JAWS+IE doesn't announce BPB or play button), and\n      // for the same issue with Chrome (on Windows) with JAWS.\n      // See https://github.com/FreedomScientific/VFO-standards-support/issues/78\n      // Note that we can't detect if JAWS is being used, but this ARIA attribute\n      //  doesn't change behavior of IE11 or Chrome if JAWS is not being used\n\n      if (IE_VERSION || IS_CHROME && IS_WINDOWS) {\n        tag.setAttribute('role', 'application');\n        attrs.role = 'application';\n      } // Remove width/height attrs from tag so CSS can make it 100% width/height\n\n\n      tag.removeAttribute('width');\n      tag.removeAttribute('height');\n\n      if ('width' in attrs) {\n        delete attrs.width;\n      }\n\n      if ('height' in attrs) {\n        delete attrs.height;\n      }\n\n      Object.getOwnPropertyNames(attrs).forEach(function (attr) {\n        // don't copy over the class attribute to the player element when we're in a div embed\n        // the class is already set up properly in the divEmbed case\n        // and we want to make sure that the `video-js` class doesn't get lost\n        if (!(divEmbed && attr === 'class')) {\n          el.setAttribute(attr, attrs[attr]);\n        }\n\n        if (divEmbed) {\n          tag.setAttribute(attr, attrs[attr]);\n        }\n      }); // Update tag id/class for use as HTML5 playback tech\n      // Might think we should do this after embedding in container so .vjs-tech class\n      // doesn't flash 100% width/height, but class only applies with .video-js parent\n\n      tag.playerId = tag.id;\n      tag.id += '_html5_api';\n      tag.className = 'vjs-tech'; // Make player findable on elements\n\n      tag.player = el.player = this; // Default state of video is paused\n\n      this.addClass('vjs-paused'); // Add a style element in the player that we'll use to set the width/height\n      // of the player in a way that's still overrideable by CSS, just like the\n      // video element\n\n      if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true) {\n        this.styleEl_ = createStyleElement('vjs-styles-dimensions');\n        var defaultsStyleEl = $('.vjs-styles-defaults');\n        var head = $('head');\n        head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);\n      }\n\n      this.fill_ = false;\n      this.fluid_ = false; // Pass in the width/height/aspectRatio options which will update the style el\n\n      this.width(this.options_.width);\n      this.height(this.options_.height);\n      this.fill(this.options_.fill);\n      this.fluid(this.options_.fluid);\n      this.aspectRatio(this.options_.aspectRatio); // Hide any links within the video/audio tag,\n      // because IE doesn't hide them completely from screen readers.\n\n      var links = tag.getElementsByTagName('a');\n\n      for (var i = 0; i < links.length; i++) {\n        var linkEl = links.item(i);\n        addClass(linkEl, 'vjs-hidden');\n        linkEl.setAttribute('hidden', 'hidden');\n      } // insertElFirst seems to cause the networkState to flicker from 3 to 2, so\n      // keep track of the original for later so we can know if the source originally failed\n\n\n      tag.initNetworkState_ = tag.networkState; // Wrap video tag in div (el/box) container\n\n      if (tag.parentNode && !playerElIngest) {\n        tag.parentNode.insertBefore(el, tag);\n      } // insert the tag as the first child of the player element\n      // then manually add it to the children array so that this.addChild\n      // will work properly for other components\n      //\n      // Breaks iPhone, fixed in HTML5 setup.\n\n\n      prependTo(tag, el);\n      this.children_.unshift(tag); // Set lang attr on player to ensure CSS :lang() in consistent with player\n      // if it's been set to something different to the doc\n\n      this.el_.setAttribute('lang', this.language_);\n      this.el_ = el;\n      return el;\n    }\n    /**\n     * A getter/setter for the `Player`'s width. Returns the player's configured value.\n     * To get the current width use `currentWidth()`.\n     *\n     * @param {number} [value]\n     *        The value to set the `Player`'s width to.\n     *\n     * @return {number}\n     *         The current width of the `Player` when getting.\n     */\n    ;\n\n    _proto.width = function width(value) {\n      return this.dimension('width', value);\n    }\n    /**\n     * A getter/setter for the `Player`'s height. Returns the player's configured value.\n     * To get the current height use `currentheight()`.\n     *\n     * @param {number} [value]\n     *        The value to set the `Player`'s heigth to.\n     *\n     * @return {number}\n     *         The current height of the `Player` when getting.\n     */\n    ;\n\n    _proto.height = function height(value) {\n      return this.dimension('height', value);\n    }\n    /**\n     * A getter/setter for the `Player`'s width & height.\n     *\n     * @param {string} dimension\n     *        This string can be:\n     *        - 'width'\n     *        - 'height'\n     *\n     * @param {number} [value]\n     *        Value for dimension specified in the first argument.\n     *\n     * @return {number}\n     *         The dimension arguments value when getting (width/height).\n     */\n    ;\n\n    _proto.dimension = function dimension(_dimension, value) {\n      var privDimension = _dimension + '_';\n\n      if (value === undefined) {\n        return this[privDimension] || 0;\n      }\n\n      if (value === '' || value === 'auto') {\n        // If an empty string is given, reset the dimension to be automatic\n        this[privDimension] = undefined;\n        this.updateStyleEl_();\n        return;\n      }\n\n      var parsedVal = parseFloat(value);\n\n      if (isNaN(parsedVal)) {\n        log.error(\"Improper value \\\"\" + value + \"\\\" supplied for for \" + _dimension);\n        return;\n      }\n\n      this[privDimension] = parsedVal;\n      this.updateStyleEl_();\n    }\n    /**\n     * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.\n     *\n     * Turning this on will turn off fill mode.\n     *\n     * @param {boolean} [bool]\n     *        - A value of true adds the class.\n     *        - A value of false removes the class.\n     *        - No value will be a getter.\n     *\n     * @return {boolean|undefined}\n     *         - The value of fluid when getting.\n     *         - `undefined` when setting.\n     */\n    ;\n\n    _proto.fluid = function fluid(bool) {\n      if (bool === undefined) {\n        return !!this.fluid_;\n      }\n\n      this.fluid_ = !!bool;\n\n      if (isEvented(this)) {\n        this.off('playerreset', this.updateStyleEl_);\n      }\n\n      if (bool) {\n        this.addClass('vjs-fluid');\n        this.fill(false);\n        addEventedCallback(function () {\n          this.on('playerreset', this.updateStyleEl_);\n        });\n      } else {\n        this.removeClass('vjs-fluid');\n      }\n\n      this.updateStyleEl_();\n    }\n    /**\n     * A getter/setter/toggler for the vjs-fill `className` on the `Player`.\n     *\n     * Turning this on will turn off fluid mode.\n     *\n     * @param {boolean} [bool]\n     *        - A value of true adds the class.\n     *        - A value of false removes the class.\n     *        - No value will be a getter.\n     *\n     * @return {boolean|undefined}\n     *         - The value of fluid when getting.\n     *         - `undefined` when setting.\n     */\n    ;\n\n    _proto.fill = function fill(bool) {\n      if (bool === undefined) {\n        return !!this.fill_;\n      }\n\n      this.fill_ = !!bool;\n\n      if (bool) {\n        this.addClass('vjs-fill');\n        this.fluid(false);\n      } else {\n        this.removeClass('vjs-fill');\n      }\n    }\n    /**\n     * Get/Set the aspect ratio\n     *\n     * @param {string} [ratio]\n     *        Aspect ratio for player\n     *\n     * @return {string|undefined}\n     *         returns the current aspect ratio when getting\n     */\n\n    /**\n     * A getter/setter for the `Player`'s aspect ratio.\n     *\n     * @param {string} [ratio]\n     *        The value to set the `Player's aspect ratio to.\n     *\n     * @return {string|undefined}\n     *         - The current aspect ratio of the `Player` when getting.\n     *         - undefined when setting\n     */\n    ;\n\n    _proto.aspectRatio = function aspectRatio(ratio) {\n      if (ratio === undefined) {\n        return this.aspectRatio_;\n      } // Check for width:height format\n\n\n      if (!/^\\d+\\:\\d+$/.test(ratio)) {\n        throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');\n      }\n\n      this.aspectRatio_ = ratio; // We're assuming if you set an aspect ratio you want fluid mode,\n      // because in fixed mode you could calculate width and height yourself.\n\n      this.fluid(true);\n      this.updateStyleEl_();\n    }\n    /**\n     * Update styles of the `Player` element (height, width and aspect ratio).\n     *\n     * @private\n     * @listens Tech#loadedmetadata\n     */\n    ;\n\n    _proto.updateStyleEl_ = function updateStyleEl_() {\n      if (window$3.VIDEOJS_NO_DYNAMIC_STYLE === true) {\n        var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;\n\n        var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;\n\n        var techEl = this.tech_ && this.tech_.el();\n\n        if (techEl) {\n          if (_width >= 0) {\n            techEl.width = _width;\n          }\n\n          if (_height >= 0) {\n            techEl.height = _height;\n          }\n        }\n\n        return;\n      }\n\n      var width;\n      var height;\n      var aspectRatio;\n      var idClass; // The aspect ratio is either used directly or to calculate width and height.\n\n      if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {\n        // Use any aspectRatio that's been specifically set\n        aspectRatio = this.aspectRatio_;\n      } else if (this.videoWidth() > 0) {\n        // Otherwise try to get the aspect ratio from the video metadata\n        aspectRatio = this.videoWidth() + ':' + this.videoHeight();\n      } else {\n        // Or use a default. The video element's is 2:1, but 16:9 is more common.\n        aspectRatio = '16:9';\n      } // Get the ratio as a decimal we can use to calculate dimensions\n\n\n      var ratioParts = aspectRatio.split(':');\n      var ratioMultiplier = ratioParts[1] / ratioParts[0];\n\n      if (this.width_ !== undefined) {\n        // Use any width that's been specifically set\n        width = this.width_;\n      } else if (this.height_ !== undefined) {\n        // Or calulate the width from the aspect ratio if a height has been set\n        width = this.height_ / ratioMultiplier;\n      } else {\n        // Or use the video's metadata, or use the video el's default of 300\n        width = this.videoWidth() || 300;\n      }\n\n      if (this.height_ !== undefined) {\n        // Use any height that's been specifically set\n        height = this.height_;\n      } else {\n        // Otherwise calculate the height from the ratio and the width\n        height = width * ratioMultiplier;\n      } // Ensure the CSS class is valid by starting with an alpha character\n\n\n      if (/^[^a-zA-Z]/.test(this.id())) {\n        idClass = 'dimensions-' + this.id();\n      } else {\n        idClass = this.id() + '-dimensions';\n      } // Ensure the right class is still on the player for the style element\n\n\n      this.addClass(idClass);\n      setTextContent(this.styleEl_, \"\\n      .\" + idClass + \" {\\n        width: \" + width + \"px;\\n        height: \" + height + \"px;\\n      }\\n\\n      .\" + idClass + \".vjs-fluid {\\n        padding-top: \" + ratioMultiplier * 100 + \"%;\\n      }\\n    \");\n    }\n    /**\n     * Load/Create an instance of playback {@link Tech} including element\n     * and API methods. Then append the `Tech` element in `Player` as a child.\n     *\n     * @param {string} techName\n     *        name of the playback technology\n     *\n     * @param {string} source\n     *        video source\n     *\n     * @private\n     */\n    ;\n\n    _proto.loadTech_ = function loadTech_(techName, source) {\n      var _this3 = this;\n\n      // Pause and remove current playback technology\n      if (this.tech_) {\n        this.unloadTech_();\n      }\n\n      var titleTechName = toTitleCase(techName);\n      var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1); // get rid of the HTML5 video tag as soon as we are using another tech\n\n      if (titleTechName !== 'Html5' && this.tag) {\n        Tech.getTech('Html5').disposeMediaElement(this.tag);\n        this.tag.player = null;\n        this.tag = null;\n      }\n\n      this.techName_ = titleTechName; // Turn off API access because we're loading a new tech that might load asynchronously\n\n      this.isReady_ = false; // if autoplay is a string we pass false to the tech\n      // because the player is going to handle autoplay on `loadstart`\n\n      var autoplay = typeof this.autoplay() === 'string' ? false : this.autoplay(); // Grab tech-specific options from player options and add source and parent element to use.\n\n      var techOptions = {\n        source: source,\n        autoplay: autoplay,\n        'nativeControlsForTouch': this.options_.nativeControlsForTouch,\n        'playerId': this.id(),\n        'techId': this.id() + \"_\" + camelTechName + \"_api\",\n        'playsinline': this.options_.playsinline,\n        'preload': this.options_.preload,\n        'loop': this.options_.loop,\n        'muted': this.options_.muted,\n        'poster': this.poster(),\n        'language': this.language(),\n        'playerElIngest': this.playerElIngest_ || false,\n        'vtt.js': this.options_['vtt.js'],\n        'canOverridePoster': !!this.options_.techCanOverridePoster,\n        'enableSourceset': this.options_.enableSourceset,\n        'Promise': this.options_.Promise\n      };\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n        techOptions[props.getterName] = _this3[props.privateName];\n      });\n      assign(techOptions, this.options_[titleTechName]);\n      assign(techOptions, this.options_[camelTechName]);\n      assign(techOptions, this.options_[techName.toLowerCase()]);\n\n      if (this.tag) {\n        techOptions.tag = this.tag;\n      }\n\n      if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {\n        techOptions.startTime = this.cache_.currentTime;\n      } // Initialize tech instance\n\n\n      var TechClass = Tech.getTech(techName);\n\n      if (!TechClass) {\n        throw new Error(\"No Tech named '\" + titleTechName + \"' exists! '\" + titleTechName + \"' should be registered using videojs.registerTech()'\");\n      }\n\n      this.tech_ = new TechClass(techOptions); // player.triggerReady is always async, so don't need this to be async\n\n      this.tech_.ready(bind(this, this.handleTechReady_), true);\n      textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_); // Listen to all HTML5-defined events and trigger them on the player\n\n      TECH_EVENTS_RETRIGGER.forEach(function (event) {\n        _this3.on(_this3.tech_, event, _this3[\"handleTech\" + toTitleCase(event) + \"_\"]);\n      });\n      Object.keys(TECH_EVENTS_QUEUE).forEach(function (event) {\n        _this3.on(_this3.tech_, event, function (eventObj) {\n          if (_this3.tech_.playbackRate() === 0 && _this3.tech_.seeking()) {\n            _this3.queuedCallbacks_.push({\n              callback: _this3[\"handleTech\" + TECH_EVENTS_QUEUE[event] + \"_\"].bind(_this3),\n              event: eventObj\n            });\n\n            return;\n          }\n\n          _this3[\"handleTech\" + TECH_EVENTS_QUEUE[event] + \"_\"](eventObj);\n        });\n      });\n      this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);\n      this.on(this.tech_, 'sourceset', this.handleTechSourceset_);\n      this.on(this.tech_, 'waiting', this.handleTechWaiting_);\n      this.on(this.tech_, 'ended', this.handleTechEnded_);\n      this.on(this.tech_, 'seeking', this.handleTechSeeking_);\n      this.on(this.tech_, 'play', this.handleTechPlay_);\n      this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);\n      this.on(this.tech_, 'pause', this.handleTechPause_);\n      this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);\n      this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);\n      this.on(this.tech_, 'enterpictureinpicture', this.handleTechEnterPictureInPicture_);\n      this.on(this.tech_, 'leavepictureinpicture', this.handleTechLeavePictureInPicture_);\n      this.on(this.tech_, 'error', this.handleTechError_);\n      this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);\n      this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);\n      this.on(this.tech_, 'textdata', this.handleTechTextData_);\n      this.on(this.tech_, 'ratechange', this.handleTechRateChange_);\n      this.usingNativeControls(this.techGet_('controls'));\n\n      if (this.controls() && !this.usingNativeControls()) {\n        this.addTechControlsListeners_();\n      } // Add the tech element in the DOM if it was not already there\n      // Make sure to not insert the original video element if using Html5\n\n\n      if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {\n        prependTo(this.tech_.el(), this.el());\n      } // Get rid of the original video tag reference after the first tech is loaded\n\n\n      if (this.tag) {\n        this.tag.player = null;\n        this.tag = null;\n      }\n    }\n    /**\n     * Unload and dispose of the current playback {@link Tech}.\n     *\n     * @private\n     */\n    ;\n\n    _proto.unloadTech_ = function unloadTech_() {\n      var _this4 = this;\n\n      // Save the current text tracks so that we can reuse the same text tracks with the next tech\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n        _this4[props.privateName] = _this4[props.getterName]();\n      });\n      this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);\n      this.isReady_ = false;\n      this.tech_.dispose();\n      this.tech_ = false;\n\n      if (this.isPosterFromTech_) {\n        this.poster_ = '';\n        this.trigger('posterchange');\n      }\n\n      this.isPosterFromTech_ = false;\n    }\n    /**\n     * Return a reference to the current {@link Tech}.\n     * It will print a warning by default about the danger of using the tech directly\n     * but any argument that is passed in will silence the warning.\n     *\n     * @param {*} [safety]\n     *        Anything passed in to silence the warning\n     *\n     * @return {Tech}\n     *         The Tech\n     */\n    ;\n\n    _proto.tech = function tech(safety) {\n      if (safety === undefined) {\n        log.warn('Using the tech directly can be dangerous. I hope you know what you\\'re doing.\\n' + 'See https://github.com/videojs/video.js/issues/2617 for more info.\\n');\n      }\n\n      return this.tech_;\n    }\n    /**\n     * Set up click and touch listeners for the playback element\n     *\n     * - On desktops: a click on the video itself will toggle playback\n     * - On mobile devices: a click on the video toggles controls\n     *   which is done by toggling the user state between active and\n     *   inactive\n     * - A tap can signal that a user has become active or has become inactive\n     *   e.g. a quick tap on an iPhone movie should reveal the controls. Another\n     *   quick tap should hide them again (signaling the user is in an inactive\n     *   viewing state)\n     * - In addition to this, we still want the user to be considered inactive after\n     *   a few seconds of inactivity.\n     *\n     * > Note: the only part of iOS interaction we can't mimic with this setup\n     * is a touch and hold on the video element counting as activity in order to\n     * keep the controls showing, but that shouldn't be an issue. A touch and hold\n     * on any controls will still keep the user active\n     *\n     * @private\n     */\n    ;\n\n    _proto.addTechControlsListeners_ = function addTechControlsListeners_() {\n      // Make sure to remove all the previous listeners in case we are called multiple times.\n      this.removeTechControlsListeners_(); // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do\n      // trigger mousedown/up.\n      // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object\n      // Any touch events are set to block the mousedown event from happening\n\n      this.on(this.tech_, 'mouseup', this.handleTechClick_);\n      this.on(this.tech_, 'dblclick', this.handleTechDoubleClick_); // If the controls were hidden we don't want that to change without a tap event\n      // so we'll check if the controls were already showing before reporting user\n      // activity\n\n      this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);\n      this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);\n      this.on(this.tech_, 'touchend', this.handleTechTouchEnd_); // The tap listener needs to come after the touchend listener because the tap\n      // listener cancels out any reportedUserActivity when setting userActive(false)\n\n      this.on(this.tech_, 'tap', this.handleTechTap_);\n    }\n    /**\n     * Remove the listeners used for click and tap controls. This is needed for\n     * toggling to controls disabled, where a tap/touch should do nothing.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeTechControlsListeners_ = function removeTechControlsListeners_() {\n      // We don't want to just use `this.off()` because there might be other needed\n      // listeners added by techs that extend this.\n      this.off(this.tech_, 'tap', this.handleTechTap_);\n      this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);\n      this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);\n      this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);\n      this.off(this.tech_, 'mouseup', this.handleTechClick_);\n      this.off(this.tech_, 'dblclick', this.handleTechDoubleClick_);\n    }\n    /**\n     * Player waits for the tech to be ready\n     *\n     * @private\n     */\n    ;\n\n    _proto.handleTechReady_ = function handleTechReady_() {\n      this.triggerReady(); // Keep the same volume as before\n\n      if (this.cache_.volume) {\n        this.techCall_('setVolume', this.cache_.volume);\n      } // Look if the tech found a higher resolution poster while loading\n\n\n      this.handleTechPosterChange_(); // Update the duration if available\n\n      this.handleTechDurationChange_();\n    }\n    /**\n     * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This\n     * function will also trigger {@link Player#firstplay} if it is the first loadstart\n     * for a video.\n     *\n     * @fires Player#loadstart\n     * @fires Player#firstplay\n     * @listens Tech#loadstart\n     * @private\n     */\n    ;\n\n    _proto.handleTechLoadStart_ = function handleTechLoadStart_() {\n      // TODO: Update to use `emptied` event instead. See #1277.\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-seeking'); // reset the error state\n\n      this.error(null); // Update the duration\n\n      this.handleTechDurationChange_(); // If it's already playing we want to trigger a firstplay event now.\n      // The firstplay event relies on both the play and loadstart events\n      // which can happen in any order for a new source\n\n      if (!this.paused()) {\n        /**\n         * Fired when the user agent begins looking for media data\n         *\n         * @event Player#loadstart\n         * @type {EventTarget~Event}\n         */\n        this.trigger('loadstart');\n        this.trigger('firstplay');\n      } else {\n        // reset the hasStarted state\n        this.hasStarted(false);\n        this.trigger('loadstart');\n      } // autoplay happens after loadstart for the browser,\n      // so we mimic that behavior\n\n\n      this.manualAutoplay_(this.autoplay());\n    }\n    /**\n     * Handle autoplay string values, rather than the typical boolean\n     * values that should be handled by the tech. Note that this is not\n     * part of any specification. Valid values and what they do can be\n     * found on the autoplay getter at Player#autoplay()\n     */\n    ;\n\n    _proto.manualAutoplay_ = function manualAutoplay_(type) {\n      var _this5 = this;\n\n      if (!this.tech_ || typeof type !== 'string') {\n        return;\n      }\n\n      var muted = function muted() {\n        var previouslyMuted = _this5.muted();\n\n        _this5.muted(true);\n\n        var restoreMuted = function restoreMuted() {\n          _this5.muted(previouslyMuted);\n        }; // restore muted on play terminatation\n\n\n        _this5.playTerminatedQueue_.push(restoreMuted);\n\n        var mutedPromise = _this5.play();\n\n        if (!isPromise(mutedPromise)) {\n          return;\n        }\n\n        return mutedPromise[\"catch\"](restoreMuted);\n      };\n\n      var promise; // if muted defaults to true\n      // the only thing we can do is call play\n\n      if (type === 'any' && this.muted() !== true) {\n        promise = this.play();\n\n        if (isPromise(promise)) {\n          promise = promise[\"catch\"](muted);\n        }\n      } else if (type === 'muted' && this.muted() !== true) {\n        promise = muted();\n      } else {\n        promise = this.play();\n      }\n\n      if (!isPromise(promise)) {\n        return;\n      }\n\n      return promise.then(function () {\n        _this5.trigger({\n          type: 'autoplay-success',\n          autoplay: type\n        });\n      })[\"catch\"](function (e) {\n        _this5.trigger({\n          type: 'autoplay-failure',\n          autoplay: type\n        });\n      });\n    }\n    /**\n     * Update the internal source caches so that we return the correct source from\n     * `src()`, `currentSource()`, and `currentSources()`.\n     *\n     * > Note: `currentSources` will not be updated if the source that is passed in exists\n     *         in the current `currentSources` cache.\n     *\n     *\n     * @param {Tech~SourceObject} srcObj\n     *        A string or object source to update our caches to.\n     */\n    ;\n\n    _proto.updateSourceCaches_ = function updateSourceCaches_(srcObj) {\n      if (srcObj === void 0) {\n        srcObj = '';\n      }\n\n      var src = srcObj;\n      var type = '';\n\n      if (typeof src !== 'string') {\n        src = srcObj.src;\n        type = srcObj.type;\n      } // make sure all the caches are set to default values\n      // to prevent null checking\n\n\n      this.cache_.source = this.cache_.source || {};\n      this.cache_.sources = this.cache_.sources || []; // try to get the type of the src that was passed in\n\n      if (src && !type) {\n        type = findMimetype(this, src);\n      } // update `currentSource` cache always\n\n\n      this.cache_.source = mergeOptions({}, srcObj, {\n        src: src,\n        type: type\n      });\n      var matchingSources = this.cache_.sources.filter(function (s) {\n        return s.src && s.src === src;\n      });\n      var sourceElSources = [];\n      var sourceEls = this.$$('source');\n      var matchingSourceEls = [];\n\n      for (var i = 0; i < sourceEls.length; i++) {\n        var sourceObj = getAttributes(sourceEls[i]);\n        sourceElSources.push(sourceObj);\n\n        if (sourceObj.src && sourceObj.src === src) {\n          matchingSourceEls.push(sourceObj.src);\n        }\n      } // if we have matching source els but not matching sources\n      // the current source cache is not up to date\n\n\n      if (matchingSourceEls.length && !matchingSources.length) {\n        this.cache_.sources = sourceElSources; // if we don't have matching source or source els set the\n        // sources cache to the `currentSource` cache\n      } else if (!matchingSources.length) {\n        this.cache_.sources = [this.cache_.source];\n      } // update the tech `src` cache\n\n\n      this.cache_.src = src;\n    }\n    /**\n     * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech}\n     * causing the media element to reload.\n     *\n     * It will fire for the initial source and each subsequent source.\n     * This event is a custom event from Video.js and is triggered by the {@link Tech}.\n     *\n     * The event object for this event contains a `src` property that will contain the source\n     * that was available when the event was triggered. This is generally only necessary if Video.js\n     * is switching techs while the source was being changed.\n     *\n     * It is also fired when `load` is called on the player (or media element)\n     * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`}\n     * says that the resource selection algorithm needs to be aborted and restarted.\n     * In this case, it is very likely that the `src` property will be set to the\n     * empty string `\"\"` to indicate we do not know what the source will be but\n     * that it is changing.\n     *\n     * *This event is currently still experimental and may change in minor releases.*\n     * __To use this, pass `enableSourceset` option to the player.__\n     *\n     * @event Player#sourceset\n     * @type {EventTarget~Event}\n     * @prop {string} src\n     *                The source url available when the `sourceset` was triggered.\n     *                It will be an empty string if we cannot know what the source is\n     *                but know that the source will change.\n     */\n\n    /**\n     * Retrigger the `sourceset` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#sourceset\n     * @listens Tech#sourceset\n     * @private\n     */\n    ;\n\n    _proto.handleTechSourceset_ = function handleTechSourceset_(event) {\n      var _this6 = this;\n\n      // only update the source cache when the source\n      // was not updated using the player api\n      if (!this.changingSrc_) {\n        var updateSourceCaches = function updateSourceCaches(src) {\n          return _this6.updateSourceCaches_(src);\n        };\n\n        var playerSrc = this.currentSource().src;\n        var eventSrc = event.src; // if we have a playerSrc that is not a blob, and a tech src that is a blob\n\n        if (playerSrc && !/^blob:/.test(playerSrc) && /^blob:/.test(eventSrc)) {\n          // if both the tech source and the player source were updated we assume\n          // something like @videojs/http-streaming did the sourceset and skip updating the source cache.\n          if (!this.lastSource_ || this.lastSource_.tech !== eventSrc && this.lastSource_.player !== playerSrc) {\n            updateSourceCaches = function updateSourceCaches() {};\n          }\n        } // update the source to the intial source right away\n        // in some cases this will be empty string\n\n\n        updateSourceCaches(eventSrc); // if the `sourceset` `src` was an empty string\n        // wait for a `loadstart` to update the cache to `currentSrc`.\n        // If a sourceset happens before a `loadstart`, we reset the state\n\n        if (!event.src) {\n          this.tech_.any(['sourceset', 'loadstart'], function (e) {\n            // if a sourceset happens before a `loadstart` there\n            // is nothing to do as this `handleTechSourceset_`\n            // will be called again and this will be handled there.\n            if (e.type === 'sourceset') {\n              return;\n            }\n\n            var techSrc = _this6.techGet('currentSrc');\n\n            _this6.lastSource_.tech = techSrc;\n\n            _this6.updateSourceCaches_(techSrc);\n          });\n        }\n      }\n\n      this.lastSource_ = {\n        player: this.currentSource().src,\n        tech: event.src\n      };\n      this.trigger({\n        src: event.src,\n        type: 'sourceset'\n      });\n    }\n    /**\n     * Add/remove the vjs-has-started class\n     *\n     * @fires Player#firstplay\n     *\n     * @param {boolean} request\n     *        - true: adds the class\n     *        - false: remove the class\n     *\n     * @return {boolean}\n     *         the boolean value of hasStarted_\n     */\n    ;\n\n    _proto.hasStarted = function hasStarted(request) {\n      if (request === undefined) {\n        // act as getter, if we have no request to change\n        return this.hasStarted_;\n      }\n\n      if (request === this.hasStarted_) {\n        return;\n      }\n\n      this.hasStarted_ = request;\n\n      if (this.hasStarted_) {\n        this.addClass('vjs-has-started');\n        this.trigger('firstplay');\n      } else {\n        this.removeClass('vjs-has-started');\n      }\n    }\n    /**\n     * Fired whenever the media begins or resumes playback\n     *\n     * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}\n     * @fires Player#play\n     * @listens Tech#play\n     * @private\n     */\n    ;\n\n    _proto.handleTechPlay_ = function handleTechPlay_() {\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-paused');\n      this.addClass('vjs-playing'); // hide the poster when the user hits play\n\n      this.hasStarted(true);\n      /**\n       * Triggered whenever an {@link Tech#play} event happens. Indicates that\n       * playback has started or resumed.\n       *\n       * @event Player#play\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('play');\n    }\n    /**\n     * Retrigger the `ratechange` event that was triggered by the {@link Tech}.\n     *\n     * If there were any events queued while the playback rate was zero, fire\n     * those events now.\n     *\n     * @private\n     * @method Player#handleTechRateChange_\n     * @fires Player#ratechange\n     * @listens Tech#ratechange\n     */\n    ;\n\n    _proto.handleTechRateChange_ = function handleTechRateChange_() {\n      if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) {\n        this.queuedCallbacks_.forEach(function (queued) {\n          return queued.callback(queued.event);\n        });\n        this.queuedCallbacks_ = [];\n      }\n\n      this.cache_.lastPlaybackRate = this.tech_.playbackRate();\n      /**\n       * Fires when the playing speed of the audio/video is changed\n       *\n       * @event Player#ratechange\n       * @type {event}\n       */\n\n      this.trigger('ratechange');\n    }\n    /**\n     * Retrigger the `waiting` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#waiting\n     * @listens Tech#waiting\n     * @private\n     */\n    ;\n\n    _proto.handleTechWaiting_ = function handleTechWaiting_() {\n      var _this7 = this;\n\n      this.addClass('vjs-waiting');\n      /**\n       * A readyState change on the DOM element has caused playback to stop.\n       *\n       * @event Player#waiting\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('waiting'); // Browsers may emit a timeupdate event after a waiting event. In order to prevent\n      // premature removal of the waiting class, wait for the time to change.\n\n      var timeWhenWaiting = this.currentTime();\n\n      var timeUpdateListener = function timeUpdateListener() {\n        if (timeWhenWaiting !== _this7.currentTime()) {\n          _this7.removeClass('vjs-waiting');\n\n          _this7.off('timeupdate', timeUpdateListener);\n        }\n      };\n\n      this.on('timeupdate', timeUpdateListener);\n    }\n    /**\n     * Retrigger the `canplay` event that was triggered by the {@link Tech}.\n     * > Note: This is not consistent between browsers. See #1351\n     *\n     * @fires Player#canplay\n     * @listens Tech#canplay\n     * @private\n     */\n    ;\n\n    _proto.handleTechCanPlay_ = function handleTechCanPlay_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media has a readyState of HAVE_FUTURE_DATA or greater.\n       *\n       * @event Player#canplay\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('canplay');\n    }\n    /**\n     * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#canplaythrough\n     * @listens Tech#canplaythrough\n     * @private\n     */\n    ;\n\n    _proto.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the\n       * entire media file can be played without buffering.\n       *\n       * @event Player#canplaythrough\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('canplaythrough');\n    }\n    /**\n     * Retrigger the `playing` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#playing\n     * @listens Tech#playing\n     * @private\n     */\n    ;\n\n    _proto.handleTechPlaying_ = function handleTechPlaying_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media is no longer blocked from playback, and has started playing.\n       *\n       * @event Player#playing\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('playing');\n    }\n    /**\n     * Retrigger the `seeking` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#seeking\n     * @listens Tech#seeking\n     * @private\n     */\n    ;\n\n    _proto.handleTechSeeking_ = function handleTechSeeking_() {\n      this.addClass('vjs-seeking');\n      /**\n       * Fired whenever the player is jumping to a new time\n       *\n       * @event Player#seeking\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('seeking');\n    }\n    /**\n     * Retrigger the `seeked` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#seeked\n     * @listens Tech#seeked\n     * @private\n     */\n    ;\n\n    _proto.handleTechSeeked_ = function handleTechSeeked_() {\n      this.removeClass('vjs-seeking');\n      this.removeClass('vjs-ended');\n      /**\n       * Fired when the player has finished jumping to a new time\n       *\n       * @event Player#seeked\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('seeked');\n    }\n    /**\n     * Retrigger the `firstplay` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#firstplay\n     * @listens Tech#firstplay\n     * @deprecated As of 6.0 firstplay event is deprecated.\n     *             As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.\n     * @private\n     */\n    ;\n\n    _proto.handleTechFirstPlay_ = function handleTechFirstPlay_() {\n      // If the first starttime attribute is specified\n      // then we will start at the given offset in seconds\n      if (this.options_.starttime) {\n        log.warn('Passing the `starttime` option to the player will be deprecated in 6.0');\n        this.currentTime(this.options_.starttime);\n      }\n\n      this.addClass('vjs-has-started');\n      /**\n       * Fired the first time a video is played. Not part of the HLS spec, and this is\n       * probably not the best implementation yet, so use sparingly. If you don't have a\n       * reason to prevent playback, use `myPlayer.one('play');` instead.\n       *\n       * @event Player#firstplay\n       * @deprecated As of 6.0 firstplay event is deprecated.\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('firstplay');\n    }\n    /**\n     * Retrigger the `pause` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#pause\n     * @listens Tech#pause\n     * @private\n     */\n    ;\n\n    _proto.handleTechPause_ = function handleTechPause_() {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-paused');\n      /**\n       * Fired whenever the media has been paused\n       *\n       * @event Player#pause\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('pause');\n    }\n    /**\n     * Retrigger the `ended` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#ended\n     * @listens Tech#ended\n     * @private\n     */\n    ;\n\n    _proto.handleTechEnded_ = function handleTechEnded_() {\n      this.addClass('vjs-ended');\n\n      if (this.options_.loop) {\n        this.currentTime(0);\n        this.play();\n      } else if (!this.paused()) {\n        this.pause();\n      }\n      /**\n       * Fired when the end of the media resource is reached (currentTime == duration)\n       *\n       * @event Player#ended\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger('ended');\n    }\n    /**\n     * Fired when the duration of the media resource is first known or changed\n     *\n     * @listens Tech#durationchange\n     * @private\n     */\n    ;\n\n    _proto.handleTechDurationChange_ = function handleTechDurationChange_() {\n      this.duration(this.techGet_('duration'));\n    }\n    /**\n     * Handle a click on the media element to play/pause\n     *\n     * @param {EventTarget~Event} event\n     *        the event that caused this function to trigger\n     *\n     * @listens Tech#mouseup\n     * @private\n     */\n    ;\n\n    _proto.handleTechClick_ = function handleTechClick_(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      } // When controls are disabled a click should not toggle playback because\n      // the click is considered a control\n\n\n      if (!this.controls_) {\n        return;\n      }\n\n      if (this.paused()) {\n        silencePromise(this.play());\n      } else {\n        this.pause();\n      }\n    }\n    /**\n     * Handle a double-click on the media element to enter/exit fullscreen\n     *\n     * @param {EventTarget~Event} event\n     *        the event that caused this function to trigger\n     *\n     * @listens Tech#dblclick\n     * @private\n     */\n    ;\n\n    _proto.handleTechDoubleClick_ = function handleTechDoubleClick_(event) {\n      if (!this.controls_) {\n        return;\n      } // we do not want to toggle fullscreen state\n      // when double-clicking inside a control bar or a modal\n\n\n      var inAllowedEls = Array.prototype.some.call(this.$$('.vjs-control-bar, .vjs-modal-dialog'), function (el) {\n        return el.contains(event.target);\n      });\n\n      if (!inAllowedEls) {\n        /*\n         * options.userActions.doubleClick\n         *\n         * If `undefined` or `true`, double-click toggles fullscreen if controls are present\n         * Set to `false` to disable double-click handling\n         * Set to a function to substitute an external double-click handler\n         */\n        if (this.options_ === undefined || this.options_.userActions === undefined || this.options_.userActions.doubleClick === undefined || this.options_.userActions.doubleClick !== false) {\n          if (this.options_ !== undefined && this.options_.userActions !== undefined && typeof this.options_.userActions.doubleClick === 'function') {\n            this.options_.userActions.doubleClick.call(this, event);\n          } else if (this.isFullscreen()) {\n            this.exitFullscreen();\n          } else {\n            this.requestFullscreen();\n          }\n        }\n      }\n    }\n    /**\n     * Handle a tap on the media element. It will toggle the user\n     * activity state, which hides and shows the controls.\n     *\n     * @listens Tech#tap\n     * @private\n     */\n    ;\n\n    _proto.handleTechTap_ = function handleTechTap_() {\n      this.userActive(!this.userActive());\n    }\n    /**\n     * Handle touch to start\n     *\n     * @listens Tech#touchstart\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchStart_ = function handleTechTouchStart_() {\n      this.userWasActive = this.userActive();\n    }\n    /**\n     * Handle touch to move\n     *\n     * @listens Tech#touchmove\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchMove_ = function handleTechTouchMove_() {\n      if (this.userWasActive) {\n        this.reportUserActivity();\n      }\n    }\n    /**\n     * Handle touch to end\n     *\n     * @param {EventTarget~Event} event\n     *        the touchend event that triggered\n     *        this function\n     *\n     * @listens Tech#touchend\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {\n      // Stop the mouse events from also happening\n      event.preventDefault();\n    }\n    /**\n     * native click events on the SWF aren't triggered on IE11, Win8.1RT\n     * use stageclick events triggered from inside the SWF instead\n     *\n     * @private\n     * @listens stageclick\n     */\n    ;\n\n    _proto.handleStageClick_ = function handleStageClick_() {\n      this.reportUserActivity();\n    }\n    /**\n     * @private\n     */\n    ;\n\n    _proto.toggleFullscreenClass_ = function toggleFullscreenClass_() {\n      if (this.isFullscreen()) {\n        this.addClass('vjs-fullscreen');\n      } else {\n        this.removeClass('vjs-fullscreen');\n      }\n    }\n    /**\n     * when the document fschange event triggers it calls this\n     */\n    ;\n\n    _proto.documentFullscreenChange_ = function documentFullscreenChange_(e) {\n      var targetPlayer = e.target.player; // if another player was fullscreen\n      // do a null check for targetPlayer because older firefox's would put document as e.target\n\n      if (targetPlayer && targetPlayer !== this) {\n        return;\n      }\n\n      var el = this.el();\n      var isFs = document[this.fsApi_.fullscreenElement] === el;\n\n      if (!isFs && el.matches) {\n        isFs = el.matches(':' + this.fsApi_.fullscreen);\n      } else if (!isFs && el.msMatchesSelector) {\n        isFs = el.msMatchesSelector(':' + this.fsApi_.fullscreen);\n      }\n\n      this.isFullscreen(isFs);\n    }\n    /**\n     * Handle Tech Fullscreen Change\n     *\n     * @param {EventTarget~Event} event\n     *        the fullscreenchange event that triggered this function\n     *\n     * @param {Object} data\n     *        the data that was sent with the event\n     *\n     * @private\n     * @listens Tech#fullscreenchange\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {\n      if (data) {\n        this.isFullscreen(data.isFullscreen);\n      }\n    }\n    /**\n     * @private\n     */\n    ;\n\n    _proto.togglePictureInPictureClass_ = function togglePictureInPictureClass_() {\n      if (this.isInPictureInPicture()) {\n        this.addClass('vjs-picture-in-picture');\n      } else {\n        this.removeClass('vjs-picture-in-picture');\n      }\n    }\n    /**\n     * Handle Tech Enter Picture-in-Picture.\n     *\n     * @param {EventTarget~Event} event\n     *        the enterpictureinpicture event that triggered this function\n     *\n     * @private\n     * @listens Tech#enterpictureinpicture\n     */\n    ;\n\n    _proto.handleTechEnterPictureInPicture_ = function handleTechEnterPictureInPicture_(event) {\n      this.isInPictureInPicture(true);\n    }\n    /**\n     * Handle Tech Leave Picture-in-Picture.\n     *\n     * @param {EventTarget~Event} event\n     *        the leavepictureinpicture event that triggered this function\n     *\n     * @private\n     * @listens Tech#leavepictureinpicture\n     */\n    ;\n\n    _proto.handleTechLeavePictureInPicture_ = function handleTechLeavePictureInPicture_(event) {\n      this.isInPictureInPicture(false);\n    }\n    /**\n     * Fires when an error occurred during the loading of an audio/video.\n     *\n     * @private\n     * @listens Tech#error\n     */\n    ;\n\n    _proto.handleTechError_ = function handleTechError_() {\n      var error = this.tech_.error();\n      this.error(error);\n    }\n    /**\n     * Retrigger the `textdata` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#textdata\n     * @listens Tech#textdata\n     * @private\n     */\n    ;\n\n    _proto.handleTechTextData_ = function handleTechTextData_() {\n      var data = null;\n\n      if (arguments.length > 1) {\n        data = arguments[1];\n      }\n      /**\n       * Fires when we get a textdata event from tech\n       *\n       * @event Player#textdata\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger('textdata', data);\n    }\n    /**\n     * Get object for cached values.\n     *\n     * @return {Object}\n     *         get the current object cache\n     */\n    ;\n\n    _proto.getCache = function getCache() {\n      return this.cache_;\n    }\n    /**\n     * Resets the internal cache object.\n     *\n     * Using this function outside the player constructor or reset method may\n     * have unintended side-effects.\n     *\n     * @private\n     */\n    ;\n\n    _proto.resetCache_ = function resetCache_() {\n      this.cache_ = {\n        // Right now, the currentTime is not _really_ cached because it is always\n        // retrieved from the tech (see: currentTime). However, for completeness,\n        // we set it to zero here to ensure that if we do start actually caching\n        // it, we reset it along with everything else.\n        currentTime: 0,\n        inactivityTimeout: this.options_.inactivityTimeout,\n        duration: NaN,\n        lastVolume: 1,\n        lastPlaybackRate: this.defaultPlaybackRate(),\n        media: null,\n        src: '',\n        source: {},\n        sources: [],\n        volume: 1\n      };\n    }\n    /**\n     * Pass values to the playback tech\n     *\n     * @param {string} [method]\n     *        the method to call\n     *\n     * @param {Object} arg\n     *        the argument to pass\n     *\n     * @private\n     */\n    ;\n\n    _proto.techCall_ = function techCall_(method, arg) {\n      // If it's not ready yet, call method when it is\n      this.ready(function () {\n        if (method in allowedSetters) {\n          return set(this.middleware_, this.tech_, method, arg);\n        } else if (method in allowedMediators) {\n          return mediate(this.middleware_, this.tech_, method, arg);\n        }\n\n        try {\n          if (this.tech_) {\n            this.tech_[method](arg);\n          }\n        } catch (e) {\n          log(e);\n          throw e;\n        }\n      }, true);\n    }\n    /**\n     * Get calls can't wait for the tech, and sometimes don't need to.\n     *\n     * @param {string} method\n     *        Tech method\n     *\n     * @return {Function|undefined}\n     *         the method or undefined\n     *\n     * @private\n     */\n    ;\n\n    _proto.techGet_ = function techGet_(method) {\n      if (!this.tech_ || !this.tech_.isReady_) {\n        return;\n      }\n\n      if (method in allowedGetters) {\n        return get(this.middleware_, this.tech_, method);\n      } else if (method in allowedMediators) {\n        return mediate(this.middleware_, this.tech_, method);\n      } // Flash likes to die and reload when you hide or reposition it.\n      // In these cases the object methods go away and we get errors.\n      // When that happens we'll catch the errors and inform tech that it's not ready any more.\n\n\n      try {\n        return this.tech_[method]();\n      } catch (e) {\n        // When building additional tech libs, an expected method may not be defined yet\n        if (this.tech_[method] === undefined) {\n          log(\"Video.js: \" + method + \" method not defined for \" + this.techName_ + \" playback technology.\", e);\n          throw e;\n        } // When a method isn't available on the object it throws a TypeError\n\n\n        if (e.name === 'TypeError') {\n          log(\"Video.js: \" + method + \" unavailable on \" + this.techName_ + \" playback technology element.\", e);\n          this.tech_.isReady_ = false;\n          throw e;\n        } // If error unknown, just log and throw\n\n\n        log(e);\n        throw e;\n      }\n    }\n    /**\n     * Attempt to begin playback at the first opportunity.\n     *\n     * @return {Promise|undefined}\n     *         Returns a promise if the browser supports Promises (or one\n     *         was passed in as an option). This promise will be resolved on\n     *         the return value of play. If this is undefined it will fulfill the\n     *         promise chain otherwise the promise chain will be fulfilled when\n     *         the promise from play is fulfilled.\n     */\n    ;\n\n    _proto.play = function play() {\n      var _this8 = this;\n\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (PromiseClass) {\n        return new PromiseClass(function (resolve) {\n          _this8.play_(resolve);\n        });\n      }\n\n      return this.play_();\n    }\n    /**\n     * The actual logic for play, takes a callback that will be resolved on the\n     * return value of play. This allows us to resolve to the play promise if there\n     * is one on modern browsers.\n     *\n     * @private\n     * @param {Function} [callback]\n     *        The callback that should be called when the techs play is actually called\n     */\n    ;\n\n    _proto.play_ = function play_(callback) {\n      var _this9 = this;\n\n      if (callback === void 0) {\n        callback = silencePromise;\n      }\n\n      this.playCallbacks_.push(callback);\n      var isSrcReady = Boolean(!this.changingSrc_ && (this.src() || this.currentSrc())); // treat calls to play_ somewhat like the `one` event function\n\n      if (this.waitToPlay_) {\n        this.off(['ready', 'loadstart'], this.waitToPlay_);\n        this.waitToPlay_ = null;\n      } // if the player/tech is not ready or the src itself is not ready\n      // queue up a call to play on `ready` or `loadstart`\n\n\n      if (!this.isReady_ || !isSrcReady) {\n        this.waitToPlay_ = function (e) {\n          _this9.play_();\n        };\n\n        this.one(['ready', 'loadstart'], this.waitToPlay_); // if we are in Safari, there is a high chance that loadstart will trigger after the gesture timeperiod\n        // in that case, we need to prime the video element by calling load so it'll be ready in time\n\n        if (!isSrcReady && (IS_ANY_SAFARI || IS_IOS)) {\n          this.load();\n        }\n\n        return;\n      } // If the player/tech is ready and we have a source, we can attempt playback.\n\n\n      var val = this.techGet_('play'); // play was terminated if the returned value is null\n\n      if (val === null) {\n        this.runPlayTerminatedQueue_();\n      } else {\n        this.runPlayCallbacks_(val);\n      }\n    }\n    /**\n     * These functions will be run when if play is terminated. If play\n     * runPlayCallbacks_ is run these function will not be run. This allows us\n     * to differenciate between a terminated play and an actual call to play.\n     */\n    ;\n\n    _proto.runPlayTerminatedQueue_ = function runPlayTerminatedQueue_() {\n      var queue = this.playTerminatedQueue_.slice(0);\n      this.playTerminatedQueue_ = [];\n      queue.forEach(function (q) {\n        q();\n      });\n    }\n    /**\n     * When a callback to play is delayed we have to run these\n     * callbacks when play is actually called on the tech. This function\n     * runs the callbacks that were delayed and accepts the return value\n     * from the tech.\n     *\n     * @param {undefined|Promise} val\n     *        The return value from the tech.\n     */\n    ;\n\n    _proto.runPlayCallbacks_ = function runPlayCallbacks_(val) {\n      var callbacks = this.playCallbacks_.slice(0);\n      this.playCallbacks_ = []; // clear play terminatedQueue since we finished a real play\n\n      this.playTerminatedQueue_ = [];\n      callbacks.forEach(function (cb) {\n        cb(val);\n      });\n    }\n    /**\n     * Pause the video playback\n     *\n     * @return {Player}\n     *         A reference to the player object this function was called on\n     */\n    ;\n\n    _proto.pause = function pause() {\n      this.techCall_('pause');\n    }\n    /**\n     * Check if the player is paused or has yet to play\n     *\n     * @return {boolean}\n     *         - false: if the media is currently playing\n     *         - true: if media is not currently playing\n     */\n    ;\n\n    _proto.paused = function paused() {\n      // The initial state of paused should be true (in Safari it's actually false)\n      return this.techGet_('paused') === false ? false : true;\n    }\n    /**\n     * Get a TimeRange object representing the current ranges of time that the user\n     * has played.\n     *\n     * @return {TimeRange}\n     *         A time range object that represents all the increments of time that have\n     *         been played.\n     */\n    ;\n\n    _proto.played = function played() {\n      return this.techGet_('played') || createTimeRanges(0, 0);\n    }\n    /**\n     * Returns whether or not the user is \"scrubbing\". Scrubbing is\n     * when the user has clicked the progress bar handle and is\n     * dragging it along the progress bar.\n     *\n     * @param {boolean} [isScrubbing]\n     *        whether the user is or is not scrubbing\n     *\n     * @return {boolean}\n     *         The value of scrubbing when getting\n     */\n    ;\n\n    _proto.scrubbing = function scrubbing(isScrubbing) {\n      if (typeof isScrubbing === 'undefined') {\n        return this.scrubbing_;\n      }\n\n      this.scrubbing_ = !!isScrubbing;\n\n      if (isScrubbing) {\n        this.addClass('vjs-scrubbing');\n      } else {\n        this.removeClass('vjs-scrubbing');\n      }\n    }\n    /**\n     * Get or set the current time (in seconds)\n     *\n     * @param {number|string} [seconds]\n     *        The time to seek to in seconds\n     *\n     * @return {number}\n     *         - the current time in seconds when getting\n     */\n    ;\n\n    _proto.currentTime = function currentTime(seconds) {\n      if (typeof seconds !== 'undefined') {\n        if (seconds < 0) {\n          seconds = 0;\n        }\n\n        this.techCall_('setCurrentTime', seconds);\n        return;\n      } // cache last currentTime and return. default to 0 seconds\n      //\n      // Caching the currentTime is meant to prevent a massive amount of reads on the tech's\n      // currentTime when scrubbing, but may not provide much performance benefit afterall.\n      // Should be tested. Also something has to read the actual current time or the cache will\n      // never get updated.\n\n\n      this.cache_.currentTime = this.techGet_('currentTime') || 0;\n      return this.cache_.currentTime;\n    }\n    /**\n     * Normally gets the length in time of the video in seconds;\n     * in all but the rarest use cases an argument will NOT be passed to the method\n     *\n     * > **NOTE**: The video must have started loading before the duration can be\n     * known, and in the case of Flash, may not be known until the video starts\n     * playing.\n     *\n     * @fires Player#durationchange\n     *\n     * @param {number} [seconds]\n     *        The duration of the video to set in seconds\n     *\n     * @return {number}\n     *         - The duration of the video in seconds when getting\n     */\n    ;\n\n    _proto.duration = function duration(seconds) {\n      if (seconds === undefined) {\n        // return NaN if the duration is not known\n        return this.cache_.duration !== undefined ? this.cache_.duration : NaN;\n      }\n\n      seconds = parseFloat(seconds); // Standardize on Infinity for signaling video is live\n\n      if (seconds < 0) {\n        seconds = Infinity;\n      }\n\n      if (seconds !== this.cache_.duration) {\n        // Cache the last set value for optimized scrubbing (esp. Flash)\n        this.cache_.duration = seconds;\n\n        if (seconds === Infinity) {\n          this.addClass('vjs-live');\n        } else {\n          this.removeClass('vjs-live');\n        }\n\n        if (!isNaN(seconds)) {\n          // Do not fire durationchange unless the duration value is known.\n          // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}\n\n          /**\n           * @event Player#durationchange\n           * @type {EventTarget~Event}\n           */\n          this.trigger('durationchange');\n        }\n      }\n    }\n    /**\n     * Calculates how much time is left in the video. Not part\n     * of the native video API.\n     *\n     * @return {number}\n     *         The time remaining in seconds\n     */\n    ;\n\n    _proto.remainingTime = function remainingTime() {\n      return this.duration() - this.currentTime();\n    }\n    /**\n     * A remaining time function that is intented to be used when\n     * the time is to be displayed directly to the user.\n     *\n     * @return {number}\n     *         The rounded time remaining in seconds\n     */\n    ;\n\n    _proto.remainingTimeDisplay = function remainingTimeDisplay() {\n      return Math.floor(this.duration()) - Math.floor(this.currentTime());\n    } //\n    // Kind of like an array of portions of the video that have been downloaded.\n\n    /**\n     * Get a TimeRange object with an array of the times of the video\n     * that have been downloaded. If you just want the percent of the\n     * video that's been downloaded, use bufferedPercent.\n     *\n     * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}\n     *\n     * @return {TimeRange}\n     *         A mock TimeRange object (following HTML spec)\n     */\n    ;\n\n    _proto.buffered = function buffered() {\n      var buffered = this.techGet_('buffered');\n\n      if (!buffered || !buffered.length) {\n        buffered = createTimeRanges(0, 0);\n      }\n\n      return buffered;\n    }\n    /**\n     * Get the percent (as a decimal) of the video that's been downloaded.\n     * This method is not a part of the native HTML video API.\n     *\n     * @return {number}\n     *         A decimal between 0 and 1 representing the percent\n     *         that is buffered 0 being 0% and 1 being 100%\n     */\n    ;\n\n    _proto.bufferedPercent = function bufferedPercent$1() {\n      return bufferedPercent(this.buffered(), this.duration());\n    }\n    /**\n     * Get the ending time of the last buffered time range\n     * This is used in the progress bar to encapsulate all time ranges.\n     *\n     * @return {number}\n     *         The end of the last buffered time range\n     */\n    ;\n\n    _proto.bufferedEnd = function bufferedEnd() {\n      var buffered = this.buffered();\n      var duration = this.duration();\n      var end = buffered.end(buffered.length - 1);\n\n      if (end > duration) {\n        end = duration;\n      }\n\n      return end;\n    }\n    /**\n     * Get or set the current volume of the media\n     *\n     * @param  {number} [percentAsDecimal]\n     *         The new volume as a decimal percent:\n     *         - 0 is muted/0%/off\n     *         - 1.0 is 100%/full\n     *         - 0.5 is half volume or 50%\n     *\n     * @return {number}\n     *         The current volume as a percent when getting\n     */\n    ;\n\n    _proto.volume = function volume(percentAsDecimal) {\n      var vol;\n\n      if (percentAsDecimal !== undefined) {\n        // Force value to between 0 and 1\n        vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));\n        this.cache_.volume = vol;\n        this.techCall_('setVolume', vol);\n\n        if (vol > 0) {\n          this.lastVolume_(vol);\n        }\n\n        return;\n      } // Default to 1 when returning current volume.\n\n\n      vol = parseFloat(this.techGet_('volume'));\n      return isNaN(vol) ? 1 : vol;\n    }\n    /**\n     * Get the current muted state, or turn mute on or off\n     *\n     * @param {boolean} [muted]\n     *        - true to mute\n     *        - false to unmute\n     *\n     * @return {boolean}\n     *         - true if mute is on and getting\n     *         - false if mute is off and getting\n     */\n    ;\n\n    _proto.muted = function muted(_muted) {\n      if (_muted !== undefined) {\n        this.techCall_('setMuted', _muted);\n        return;\n      }\n\n      return this.techGet_('muted') || false;\n    }\n    /**\n     * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted\n     * indicates the state of muted on initial playback.\n     *\n     * ```js\n     *   var myPlayer = videojs('some-player-id');\n     *\n     *   myPlayer.src(\"http://www.example.com/path/to/video.mp4\");\n     *\n     *   // get, should be false\n     *   console.log(myPlayer.defaultMuted());\n     *   // set to true\n     *   myPlayer.defaultMuted(true);\n     *   // get should be true\n     *   console.log(myPlayer.defaultMuted());\n     * ```\n     *\n     * @param {boolean} [defaultMuted]\n     *        - true to mute\n     *        - false to unmute\n     *\n     * @return {boolean|Player}\n     *         - true if defaultMuted is on and getting\n     *         - false if defaultMuted is off and getting\n     *         - A reference to the current player when setting\n     */\n    ;\n\n    _proto.defaultMuted = function defaultMuted(_defaultMuted) {\n      if (_defaultMuted !== undefined) {\n        return this.techCall_('setDefaultMuted', _defaultMuted);\n      }\n\n      return this.techGet_('defaultMuted') || false;\n    }\n    /**\n     * Get the last volume, or set it\n     *\n     * @param  {number} [percentAsDecimal]\n     *         The new last volume as a decimal percent:\n     *         - 0 is muted/0%/off\n     *         - 1.0 is 100%/full\n     *         - 0.5 is half volume or 50%\n     *\n     * @return {number}\n     *         the current value of lastVolume as a percent when getting\n     *\n     * @private\n     */\n    ;\n\n    _proto.lastVolume_ = function lastVolume_(percentAsDecimal) {\n      if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {\n        this.cache_.lastVolume = percentAsDecimal;\n        return;\n      }\n\n      return this.cache_.lastVolume;\n    }\n    /**\n     * Check if current tech can support native fullscreen\n     * (e.g. with built in controls like iOS, so not our flash swf)\n     *\n     * @return {boolean}\n     *         if native fullscreen is supported\n     */\n    ;\n\n    _proto.supportsFullScreen = function supportsFullScreen() {\n      return this.techGet_('supportsFullScreen') || false;\n    }\n    /**\n     * Check if the player is in fullscreen mode or tell the player that it\n     * is or is not in fullscreen mode.\n     *\n     * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official\n     * property and instead document.fullscreenElement is used. But isFullscreen is\n     * still a valuable property for internal player workings.\n     *\n     * @param  {boolean} [isFS]\n     *         Set the players current fullscreen state\n     *\n     * @return {boolean}\n     *         - true if fullscreen is on and getting\n     *         - false if fullscreen is off and getting\n     */\n    ;\n\n    _proto.isFullscreen = function isFullscreen(isFS) {\n      if (isFS !== undefined) {\n        var oldValue = this.isFullscreen_;\n        this.isFullscreen_ = Boolean(isFS); // if we changed fullscreen state and we're in prefixed mode, trigger fullscreenchange\n        // this is the only place where we trigger fullscreenchange events for older browsers\n        // fullWindow mode is treated as a prefixed event and will get a fullscreenchange event as well\n\n        if (this.isFullscreen_ !== oldValue && this.fsApi_.prefixed) {\n          /**\n             * @event Player#fullscreenchange\n             * @type {EventTarget~Event}\n             */\n          this.trigger('fullscreenchange');\n        }\n\n        this.toggleFullscreenClass_();\n        return;\n      }\n\n      return this.isFullscreen_;\n    }\n    /**\n     * Increase the size of the video to full screen\n     * In some browsers, full screen is not supported natively, so it enters\n     * \"full window mode\", where the video fills the browser window.\n     * In browsers and devices that support native full screen, sometimes the\n     * browser's default controls will be shown, and not the Video.js custom skin.\n     * This includes most mobile devices (iOS, Android) and older versions of\n     * Safari.\n     *\n     * @param  {Object} [fullscreenOptions]\n     *         Override the player fullscreen options\n     *\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.requestFullscreen = function requestFullscreen(fullscreenOptions) {\n      var _this10 = this;\n\n      var fsOptions; // Only pass fullscreen options to requestFullscreen in spec-compliant browsers.\n      // Use defaults or player configured option unless passed directly to this method.\n\n      if (!this.fsApi_.prefixed) {\n        fsOptions = this.options_.fullscreen && this.options_.fullscreen.options || {};\n\n        if (fullscreenOptions !== undefined) {\n          fsOptions = fullscreenOptions;\n        }\n      } // This method works as follows:\n      // 1. if a fullscreen api is available, use it\n      //   1. call requestFullscreen with potential options\n      //   2. if we got a promise from above, use it to update isFullscreen()\n      // 2. otherwise, if the tech supports fullscreen, call `enterFullScreen` on it.\n      //   This is particularly used for iPhone, older iPads, and non-safari browser on iOS.\n      // 3. otherwise, use \"fullWindow\" mode\n\n\n      if (this.fsApi_.requestFullscreen) {\n        var promise = this.el_[this.fsApi_.requestFullscreen](fsOptions);\n\n        if (promise) {\n          promise.then(function () {\n            return _this10.isFullscreen(true);\n          }, function () {\n            return _this10.isFullscreen(false);\n          });\n        }\n\n        return promise;\n      } else if (this.tech_.supportsFullScreen()) {\n        // we can't take the video.js controls fullscreen but we can go fullscreen\n        // with native controls\n        this.techCall_('enterFullScreen');\n      } else {\n        // fullscreen isn't supported so we'll just stretch the video element to\n        // fill the viewport\n        this.enterFullWindow();\n      }\n    }\n    /**\n     * Return the video to its normal size after having been in full screen mode\n     *\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.exitFullscreen = function exitFullscreen() {\n      var _this11 = this;\n\n      if (this.fsApi_.requestFullscreen) {\n        var promise = document[this.fsApi_.exitFullscreen]();\n\n        if (promise) {\n          promise.then(function () {\n            return _this11.isFullscreen(false);\n          });\n        }\n\n        return promise;\n      } else if (this.tech_.supportsFullScreen()) {\n        this.techCall_('exitFullScreen');\n      } else {\n        this.exitFullWindow();\n      }\n    }\n    /**\n     * When fullscreen isn't supported we can stretch the\n     * video container to as wide as the browser will let us.\n     *\n     * @fires Player#enterFullWindow\n     */\n    ;\n\n    _proto.enterFullWindow = function enterFullWindow() {\n      this.isFullscreen(true);\n      this.isFullWindow = true; // Storing original doc overflow value to return to when fullscreen is off\n\n      this.docOrigOverflow = document.documentElement.style.overflow; // Add listener for esc key to exit fullscreen\n\n      on(document, 'keydown', this.boundFullWindowOnEscKey_); // Hide any scroll bars\n\n      document.documentElement.style.overflow = 'hidden'; // Apply fullscreen styles\n\n      addClass(document.body, 'vjs-full-window');\n      /**\n       * @event Player#enterFullWindow\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('enterFullWindow');\n    }\n    /**\n     * Check for call to either exit full window or\n     * full screen on ESC key\n     *\n     * @param {string} event\n     *        Event to check for key press\n     */\n    ;\n\n    _proto.fullWindowOnEscKey = function fullWindowOnEscKey(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        if (this.isFullscreen() === true) {\n          this.exitFullscreen();\n        } else {\n          this.exitFullWindow();\n        }\n      }\n    }\n    /**\n     * Exit full window\n     *\n     * @fires Player#exitFullWindow\n     */\n    ;\n\n    _proto.exitFullWindow = function exitFullWindow() {\n      this.isFullscreen(false);\n      this.isFullWindow = false;\n      off(document, 'keydown', this.boundFullWindowOnEscKey_); // Unhide scroll bars.\n\n      document.documentElement.style.overflow = this.docOrigOverflow; // Remove fullscreen styles\n\n      removeClass(document.body, 'vjs-full-window'); // Resize the box, controller, and poster to original sizes\n      // this.positionAll();\n\n      /**\n       * @event Player#exitFullWindow\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('exitFullWindow');\n    }\n    /**\n     * Check if the player is in Picture-in-Picture mode or tell the player that it\n     * is or is not in Picture-in-Picture mode.\n     *\n     * @param  {boolean} [isPiP]\n     *         Set the players current Picture-in-Picture state\n     *\n     * @return {boolean}\n     *         - true if Picture-in-Picture is on and getting\n     *         - false if Picture-in-Picture is off and getting\n     */\n    ;\n\n    _proto.isInPictureInPicture = function isInPictureInPicture(isPiP) {\n      if (isPiP !== undefined) {\n        this.isInPictureInPicture_ = !!isPiP;\n        this.togglePictureInPictureClass_();\n        return;\n      }\n\n      return !!this.isInPictureInPicture_;\n    }\n    /**\n     * Create a floating video window always on top of other windows so that users may\n     * continue consuming media while they interact with other content sites, or\n     * applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @fires Player#enterpictureinpicture\n     *\n     * @return {Promise}\n     *         A promise with a Picture-in-Picture window.\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      if ('pictureInPictureEnabled' in document) {\n        /**\n         * This event fires when the player enters picture in picture mode\n         *\n         * @event Player#enterpictureinpicture\n         * @type {EventTarget~Event}\n         */\n        return this.techGet_('requestPictureInPicture');\n      }\n    }\n    /**\n     * Exit Picture-in-Picture mode.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @fires Player#leavepictureinpicture\n     *\n     * @return {Promise}\n     *         A promise.\n     */\n    ;\n\n    _proto.exitPictureInPicture = function exitPictureInPicture() {\n      if ('pictureInPictureEnabled' in document) {\n        /**\n         * This event fires when the player leaves picture in picture mode\n         *\n         * @event Player#leavepictureinpicture\n         * @type {EventTarget~Event}\n         */\n        return document.exitPictureInPicture();\n      }\n    }\n    /**\n     * Called when this Player has focus and a key gets pressed down, or when\n     * any Component of this player receives a key press that it doesn't handle.\n     * This allows player-wide hotkeys (either as defined below, or optionally\n     * by an external function).\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      var userActions = this.options_.userActions; // Bail out if hotkeys are not configured.\n\n      if (!userActions || !userActions.hotkeys) {\n        return;\n      } // Function that determines whether or not to exclude an element from\n      // hotkeys handling.\n\n\n      var excludeElement = function excludeElement(el) {\n        var tagName = el.tagName.toLowerCase(); // The first and easiest test is for `contenteditable` elements.\n\n        if (el.isContentEditable) {\n          return true;\n        } // Inputs matching these types will still trigger hotkey handling as\n        // they are not text inputs.\n\n\n        var allowedInputTypes = ['button', 'checkbox', 'hidden', 'radio', 'reset', 'submit'];\n\n        if (tagName === 'input') {\n          return allowedInputTypes.indexOf(el.type) === -1;\n        } // The final test is by tag name. These tags will be excluded entirely.\n\n\n        var excludedTags = ['textarea'];\n        return excludedTags.indexOf(tagName) !== -1;\n      }; // Bail out if the user is focused on an interactive form element.\n\n\n      if (excludeElement(this.el_.ownerDocument.activeElement)) {\n        return;\n      }\n\n      if (typeof userActions.hotkeys === 'function') {\n        userActions.hotkeys.call(this, event);\n      } else {\n        this.handleHotkeys(event);\n      }\n    }\n    /**\n     * Called when this Player receives a hotkey keydown event.\n     * Supported player-wide hotkeys are:\n     *\n     *   f          - toggle fullscreen\n     *   m          - toggle mute\n     *   k or Space - toggle play/pause\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleHotkeys = function handleHotkeys(event) {\n      var hotkeys = this.options_.userActions ? this.options_.userActions.hotkeys : {}; // set fullscreenKey, muteKey, playPauseKey from `hotkeys`, use defaults if not set\n\n      var _hotkeys$fullscreenKe = hotkeys.fullscreenKey,\n          fullscreenKey = _hotkeys$fullscreenKe === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'f');\n      } : _hotkeys$fullscreenKe,\n          _hotkeys$muteKey = hotkeys.muteKey,\n          muteKey = _hotkeys$muteKey === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'm');\n      } : _hotkeys$muteKey,\n          _hotkeys$playPauseKey = hotkeys.playPauseKey,\n          playPauseKey = _hotkeys$playPauseKey === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'k') || keycode.isEventKey(keydownEvent, 'Space');\n      } : _hotkeys$playPauseKey;\n\n      if (fullscreenKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var FSToggle = Component.getComponent('FullscreenToggle');\n\n        if (document[this.fsApi_.fullscreenEnabled] !== false) {\n          FSToggle.prototype.handleClick.call(this, event);\n        }\n      } else if (muteKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var MuteToggle = Component.getComponent('MuteToggle');\n        MuteToggle.prototype.handleClick.call(this, event);\n      } else if (playPauseKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var PlayToggle = Component.getComponent('PlayToggle');\n        PlayToggle.prototype.handleClick.call(this, event);\n      }\n    }\n    /**\n     * Check whether the player can play a given mimetype\n     *\n     * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype\n     *\n     * @param {string} type\n     *        The mimetype to check\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n    ;\n\n    _proto.canPlayType = function canPlayType(type) {\n      var can; // Loop through each playback technology in the options order\n\n      for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {\n        var techName = j[i];\n        var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.\n        // Remove once that deprecated behavior is removed.\n\n        if (!tech) {\n          tech = Component.getComponent(techName);\n        } // Check if the current tech is defined before continuing\n\n\n        if (!tech) {\n          log.error(\"The \\\"\" + techName + \"\\\" tech is undefined. Skipped browser support check for that tech.\");\n          continue;\n        } // Check if the browser supports this technology\n\n\n        if (tech.isSupported()) {\n          can = tech.canPlayType(type);\n\n          if (can) {\n            return can;\n          }\n        }\n      }\n\n      return '';\n    }\n    /**\n     * Select source based on tech-order or source-order\n     * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,\n     * defaults to tech-order selection\n     *\n     * @param {Array} sources\n     *        The sources for a media asset\n     *\n     * @return {Object|boolean}\n     *         Object of source and tech order or false\n     */\n    ;\n\n    _proto.selectSource = function selectSource(sources) {\n      var _this12 = this;\n\n      // Get only the techs specified in `techOrder` that exist and are supported by the\n      // current platform\n      var techs = this.options_.techOrder.map(function (techName) {\n        return [techName, Tech.getTech(techName)];\n      }).filter(function (_ref) {\n        var techName = _ref[0],\n            tech = _ref[1];\n\n        // Check if the current tech is defined before continuing\n        if (tech) {\n          // Check if the browser supports this technology\n          return tech.isSupported();\n        }\n\n        log.error(\"The \\\"\" + techName + \"\\\" tech is undefined. Skipped browser support check for that tech.\");\n        return false;\n      }); // Iterate over each `innerArray` element once per `outerArray` element and execute\n      // `tester` with both. If `tester` returns a non-falsy value, exit early and return\n      // that value.\n\n      var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {\n        var found;\n        outerArray.some(function (outerChoice) {\n          return innerArray.some(function (innerChoice) {\n            found = tester(outerChoice, innerChoice);\n\n            if (found) {\n              return true;\n            }\n          });\n        });\n        return found;\n      };\n\n      var foundSourceAndTech;\n\n      var flip = function flip(fn) {\n        return function (a, b) {\n          return fn(b, a);\n        };\n      };\n\n      var finder = function finder(_ref2, source) {\n        var techName = _ref2[0],\n            tech = _ref2[1];\n\n        if (tech.canPlaySource(source, _this12.options_[techName.toLowerCase()])) {\n          return {\n            source: source,\n            tech: techName\n          };\n        }\n      }; // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources\n      // to select from them based on their priority.\n\n\n      if (this.options_.sourceOrder) {\n        // Source-first ordering\n        foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));\n      } else {\n        // Tech-first ordering\n        foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);\n      }\n\n      return foundSourceAndTech || false;\n    }\n    /**\n     * Get or set the video source.\n     *\n     * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]\n     *        A SourceObject, an array of SourceObjects, or a string referencing\n     *        a URL to a media source. It is _highly recommended_ that an object\n     *        or array of objects is used here, so that source selection\n     *        algorithms can take the `type` into account.\n     *\n     *        If not provided, this method acts as a getter.\n     *\n     * @return {string|undefined}\n     *         If the `source` argument is missing, returns the current source\n     *         URL. Otherwise, returns nothing/undefined.\n     */\n    ;\n\n    _proto.src = function src(source) {\n      var _this13 = this;\n\n      // getter usage\n      if (typeof source === 'undefined') {\n        return this.cache_.src || '';\n      } // filter out invalid sources and turn our source into\n      // an array of source objects\n\n\n      var sources = filterSource(source); // if a source was passed in then it is invalid because\n      // it was filtered to a zero length Array. So we have to\n      // show an error\n\n      if (!sources.length) {\n        this.setTimeout(function () {\n          this.error({\n            code: 4,\n            message: this.localize(this.options_.notSupportedMessage)\n          });\n        }, 0);\n        return;\n      } // intial sources\n\n\n      this.changingSrc_ = true;\n      this.cache_.sources = sources;\n      this.updateSourceCaches_(sources[0]); // middlewareSource is the source after it has been changed by middleware\n\n      setSource(this, sources[0], function (middlewareSource, mws) {\n        _this13.middleware_ = mws; // since sourceSet is async we have to update the cache again after we select a source since\n        // the source that is selected could be out of order from the cache update above this callback.\n\n        _this13.cache_.sources = sources;\n\n        _this13.updateSourceCaches_(middlewareSource);\n\n        var err = _this13.src_(middlewareSource);\n\n        if (err) {\n          if (sources.length > 1) {\n            return _this13.src(sources.slice(1));\n          }\n\n          _this13.changingSrc_ = false; // We need to wrap this in a timeout to give folks a chance to add error event handlers\n\n          _this13.setTimeout(function () {\n            this.error({\n              code: 4,\n              message: this.localize(this.options_.notSupportedMessage)\n            });\n          }, 0); // we could not find an appropriate tech, but let's still notify the delegate that this is it\n          // this needs a better comment about why this is needed\n\n\n          _this13.triggerReady();\n\n          return;\n        }\n\n        setTech(mws, _this13.tech_);\n      });\n    }\n    /**\n     * Set the source object on the tech, returns a boolean that indicates whether\n     * there is a tech that can play the source or not\n     *\n     * @param {Tech~SourceObject} source\n     *        The source object to set on the Tech\n     *\n     * @return {boolean}\n     *         - True if there is no Tech to playback this source\n     *         - False otherwise\n     *\n     * @private\n     */\n    ;\n\n    _proto.src_ = function src_(source) {\n      var _this14 = this;\n\n      var sourceTech = this.selectSource([source]);\n\n      if (!sourceTech) {\n        return true;\n      }\n\n      if (!titleCaseEquals(sourceTech.tech, this.techName_)) {\n        this.changingSrc_ = true; // load this technology with the chosen source\n\n        this.loadTech_(sourceTech.tech, sourceTech.source);\n        this.tech_.ready(function () {\n          _this14.changingSrc_ = false;\n        });\n        return false;\n      } // wait until the tech is ready to set the source\n      // and set it synchronously if possible (#2326)\n\n\n      this.ready(function () {\n        // The setSource tech method was added with source handlers\n        // so older techs won't support it\n        // We need to check the direct prototype for the case where subclasses\n        // of the tech do not support source handlers\n        if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {\n          this.techCall_('setSource', source);\n        } else {\n          this.techCall_('src', source.src);\n        }\n\n        this.changingSrc_ = false;\n      }, true);\n      return false;\n    }\n    /**\n     * Begin loading the src data.\n     */\n    ;\n\n    _proto.load = function load() {\n      this.techCall_('load');\n    }\n    /**\n     * Reset the player. Loads the first tech in the techOrder,\n     * removes all the text tracks in the existing `tech`,\n     * and calls `reset` on the `tech`.\n     */\n    ;\n\n    _proto.reset = function reset() {\n      var _this15 = this;\n\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (this.paused() || !PromiseClass) {\n        this.doReset_();\n      } else {\n        var playPromise = this.play();\n        silencePromise(playPromise.then(function () {\n          return _this15.doReset_();\n        }));\n      }\n    };\n\n    _proto.doReset_ = function doReset_() {\n      if (this.tech_) {\n        this.tech_.clearTracks('text');\n      }\n\n      this.resetCache_();\n      this.poster('');\n      this.loadTech_(this.options_.techOrder[0], null);\n      this.techCall_('reset');\n      this.resetControlBarUI_();\n\n      if (isEvented(this)) {\n        this.trigger('playerreset');\n      }\n    }\n    /**\n     * Reset Control Bar's UI by calling sub-methods that reset\n     * all of Control Bar's components\n     */\n    ;\n\n    _proto.resetControlBarUI_ = function resetControlBarUI_() {\n      this.resetProgressBar_();\n      this.resetPlaybackRate_();\n      this.resetVolumeBar_();\n    }\n    /**\n     * Reset tech's progress so progress bar is reset in the UI\n     */\n    ;\n\n    _proto.resetProgressBar_ = function resetProgressBar_() {\n      this.currentTime(0);\n      var _this$controlBar = this.controlBar,\n          durationDisplay = _this$controlBar.durationDisplay,\n          remainingTimeDisplay = _this$controlBar.remainingTimeDisplay;\n\n      if (durationDisplay) {\n        durationDisplay.updateContent();\n      }\n\n      if (remainingTimeDisplay) {\n        remainingTimeDisplay.updateContent();\n      }\n    }\n    /**\n     * Reset Playback ratio\n     */\n    ;\n\n    _proto.resetPlaybackRate_ = function resetPlaybackRate_() {\n      this.playbackRate(this.defaultPlaybackRate());\n      this.handleTechRateChange_();\n    }\n    /**\n     * Reset Volume bar\n     */\n    ;\n\n    _proto.resetVolumeBar_ = function resetVolumeBar_() {\n      this.volume(1.0);\n      this.trigger('volumechange');\n    }\n    /**\n     * Returns all of the current source objects.\n     *\n     * @return {Tech~SourceObject[]}\n     *         The current source objects\n     */\n    ;\n\n    _proto.currentSources = function currentSources() {\n      var source = this.currentSource();\n      var sources = []; // assume `{}` or `{ src }`\n\n      if (Object.keys(source).length !== 0) {\n        sources.push(source);\n      }\n\n      return this.cache_.sources || sources;\n    }\n    /**\n     * Returns the current source object.\n     *\n     * @return {Tech~SourceObject}\n     *         The current source object\n     */\n    ;\n\n    _proto.currentSource = function currentSource() {\n      return this.cache_.source || {};\n    }\n    /**\n     * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4\n     * Can be used in conjunction with `currentType` to assist in rebuilding the current source object.\n     *\n     * @return {string}\n     *         The current source\n     */\n    ;\n\n    _proto.currentSrc = function currentSrc() {\n      return this.currentSource() && this.currentSource().src || '';\n    }\n    /**\n     * Get the current source type e.g. video/mp4\n     * This can allow you rebuild the current source object so that you could load the same\n     * source and tech later\n     *\n     * @return {string}\n     *         The source MIME type\n     */\n    ;\n\n    _proto.currentType = function currentType() {\n      return this.currentSource() && this.currentSource().type || '';\n    }\n    /**\n     * Get or set the preload attribute\n     *\n     * @param {boolean} [value]\n     *        - true means that we should preload\n     *        - false means that we should not preload\n     *\n     * @return {string}\n     *         The preload attribute value when getting\n     */\n    ;\n\n    _proto.preload = function preload(value) {\n      if (value !== undefined) {\n        this.techCall_('setPreload', value);\n        this.options_.preload = value;\n        return;\n      }\n\n      return this.techGet_('preload');\n    }\n    /**\n     * Get or set the autoplay option. When this is a boolean it will\n     * modify the attribute on the tech. When this is a string the attribute on\n     * the tech will be removed and `Player` will handle autoplay on loadstarts.\n     *\n     * @param {boolean|string} [value]\n     *        - true: autoplay using the browser behavior\n     *        - false: do not autoplay\n     *        - 'play': call play() on every loadstart\n     *        - 'muted': call muted() then play() on every loadstart\n     *        - 'any': call play() on every loadstart. if that fails call muted() then play().\n     *        - *: values other than those listed here will be set `autoplay` to true\n     *\n     * @return {boolean|string}\n     *         The current value of autoplay when getting\n     */\n    ;\n\n    _proto.autoplay = function autoplay(value) {\n      // getter usage\n      if (value === undefined) {\n        return this.options_.autoplay || false;\n      }\n\n      var techAutoplay; // if the value is a valid string set it to that\n\n      if (typeof value === 'string' && /(any|play|muted)/.test(value)) {\n        this.options_.autoplay = value;\n        this.manualAutoplay_(value);\n        techAutoplay = false; // any falsy value sets autoplay to false in the browser,\n        // lets do the same\n      } else if (!value) {\n        this.options_.autoplay = false; // any other value (ie truthy) sets autoplay to true\n      } else {\n        this.options_.autoplay = true;\n      }\n\n      techAutoplay = typeof techAutoplay === 'undefined' ? this.options_.autoplay : techAutoplay; // if we don't have a tech then we do not queue up\n      // a setAutoplay call on tech ready. We do this because the\n      // autoplay option will be passed in the constructor and we\n      // do not need to set it twice\n\n      if (this.tech_) {\n        this.techCall_('setAutoplay', techAutoplay);\n      }\n    }\n    /**\n     * Set or unset the playsinline attribute.\n     * Playsinline tells the browser that non-fullscreen playback is preferred.\n     *\n     * @param {boolean} [value]\n     *        - true means that we should try to play inline by default\n     *        - false means that we should use the browser's default playback mode,\n     *          which in most cases is inline. iOS Safari is a notable exception\n     *          and plays fullscreen by default.\n     *\n     * @return {string|Player}\n     *         - the current value of playsinline\n     *         - the player when setting\n     *\n     * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n     */\n    ;\n\n    _proto.playsinline = function playsinline(value) {\n      if (value !== undefined) {\n        this.techCall_('setPlaysinline', value);\n        this.options_.playsinline = value;\n        return this;\n      }\n\n      return this.techGet_('playsinline');\n    }\n    /**\n     * Get or set the loop attribute on the video element.\n     *\n     * @param {boolean} [value]\n     *        - true means that we should loop the video\n     *        - false means that we should not loop the video\n     *\n     * @return {boolean}\n     *         The current value of loop when getting\n     */\n    ;\n\n    _proto.loop = function loop(value) {\n      if (value !== undefined) {\n        this.techCall_('setLoop', value);\n        this.options_.loop = value;\n        return;\n      }\n\n      return this.techGet_('loop');\n    }\n    /**\n     * Get or set the poster image source url\n     *\n     * @fires Player#posterchange\n     *\n     * @param {string} [src]\n     *        Poster image source URL\n     *\n     * @return {string}\n     *         The current value of poster when getting\n     */\n    ;\n\n    _proto.poster = function poster(src) {\n      if (src === undefined) {\n        return this.poster_;\n      } // The correct way to remove a poster is to set as an empty string\n      // other falsey values will throw errors\n\n\n      if (!src) {\n        src = '';\n      }\n\n      if (src === this.poster_) {\n        return;\n      } // update the internal poster variable\n\n\n      this.poster_ = src; // update the tech's poster\n\n      this.techCall_('setPoster', src);\n      this.isPosterFromTech_ = false; // alert components that the poster has been set\n\n      /**\n       * This event fires when the poster image is changed on the player.\n       *\n       * @event Player#posterchange\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('posterchange');\n    }\n    /**\n     * Some techs (e.g. YouTube) can provide a poster source in an\n     * asynchronous way. We want the poster component to use this\n     * poster source so that it covers up the tech's controls.\n     * (YouTube's play button). However we only want to use this\n     * source if the player user hasn't set a poster through\n     * the normal APIs.\n     *\n     * @fires Player#posterchange\n     * @listens Tech#posterchange\n     * @private\n     */\n    ;\n\n    _proto.handleTechPosterChange_ = function handleTechPosterChange_() {\n      if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) {\n        var newPoster = this.tech_.poster() || '';\n\n        if (newPoster !== this.poster_) {\n          this.poster_ = newPoster;\n          this.isPosterFromTech_ = true; // Let components know the poster has changed\n\n          this.trigger('posterchange');\n        }\n      }\n    }\n    /**\n     * Get or set whether or not the controls are showing.\n     *\n     * @fires Player#controlsenabled\n     *\n     * @param {boolean} [bool]\n     *        - true to turn controls on\n     *        - false to turn controls off\n     *\n     * @return {boolean}\n     *         The current value of controls when getting\n     */\n    ;\n\n    _proto.controls = function controls(bool) {\n      if (bool === undefined) {\n        return !!this.controls_;\n      }\n\n      bool = !!bool; // Don't trigger a change event unless it actually changed\n\n      if (this.controls_ === bool) {\n        return;\n      }\n\n      this.controls_ = bool;\n\n      if (this.usingNativeControls()) {\n        this.techCall_('setControls', bool);\n      }\n\n      if (this.controls_) {\n        this.removeClass('vjs-controls-disabled');\n        this.addClass('vjs-controls-enabled');\n        /**\n         * @event Player#controlsenabled\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('controlsenabled');\n\n        if (!this.usingNativeControls()) {\n          this.addTechControlsListeners_();\n        }\n      } else {\n        this.removeClass('vjs-controls-enabled');\n        this.addClass('vjs-controls-disabled');\n        /**\n         * @event Player#controlsdisabled\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('controlsdisabled');\n\n        if (!this.usingNativeControls()) {\n          this.removeTechControlsListeners_();\n        }\n      }\n    }\n    /**\n     * Toggle native controls on/off. Native controls are the controls built into\n     * devices (e.g. default iPhone controls), Flash, or other techs\n     * (e.g. Vimeo Controls)\n     * **This should only be set by the current tech, because only the tech knows\n     * if it can support native controls**\n     *\n     * @fires Player#usingnativecontrols\n     * @fires Player#usingcustomcontrols\n     *\n     * @param {boolean} [bool]\n     *        - true to turn native controls on\n     *        - false to turn native controls off\n     *\n     * @return {boolean}\n     *         The current value of native controls when getting\n     */\n    ;\n\n    _proto.usingNativeControls = function usingNativeControls(bool) {\n      if (bool === undefined) {\n        return !!this.usingNativeControls_;\n      }\n\n      bool = !!bool; // Don't trigger a change event unless it actually changed\n\n      if (this.usingNativeControls_ === bool) {\n        return;\n      }\n\n      this.usingNativeControls_ = bool;\n\n      if (this.usingNativeControls_) {\n        this.addClass('vjs-using-native-controls');\n        /**\n         * player is using the native device controls\n         *\n         * @event Player#usingnativecontrols\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('usingnativecontrols');\n      } else {\n        this.removeClass('vjs-using-native-controls');\n        /**\n         * player is using the custom HTML controls\n         *\n         * @event Player#usingcustomcontrols\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('usingcustomcontrols');\n      }\n    }\n    /**\n     * Set or get the current MediaError\n     *\n     * @fires Player#error\n     *\n     * @param  {MediaError|string|number} [err]\n     *         A MediaError or a string/number to be turned\n     *         into a MediaError\n     *\n     * @return {MediaError|null}\n     *         The current MediaError when getting (or null)\n     */\n    ;\n\n    _proto.error = function error(err) {\n      if (err === undefined) {\n        return this.error_ || null;\n      } // Suppress the first error message for no compatible source until\n      // user interaction\n\n\n      if (this.options_.suppressNotSupportedError && err && err.code === 4) {\n        var triggerSuppressedError = function triggerSuppressedError() {\n          this.error(err);\n        };\n\n        this.options_.suppressNotSupportedError = false;\n        this.any(['click', 'touchstart'], triggerSuppressedError);\n        this.one('loadstart', function () {\n          this.off(['click', 'touchstart'], triggerSuppressedError);\n        });\n        return;\n      } // restoring to default\n\n\n      if (err === null) {\n        this.error_ = err;\n        this.removeClass('vjs-error');\n\n        if (this.errorDisplay) {\n          this.errorDisplay.close();\n        }\n\n        return;\n      }\n\n      this.error_ = new MediaError(err); // add the vjs-error classname to the player\n\n      this.addClass('vjs-error'); // log the name of the error type and any message\n      // IE11 logs \"[object object]\" and required you to expand message to see error object\n\n      log.error(\"(CODE:\" + this.error_.code + \" \" + MediaError.errorTypes[this.error_.code] + \")\", this.error_.message, this.error_);\n      /**\n       * @event Player#error\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('error');\n      return;\n    }\n    /**\n     * Report user activity\n     *\n     * @param {Object} event\n     *        Event object\n     */\n    ;\n\n    _proto.reportUserActivity = function reportUserActivity(event) {\n      this.userActivity_ = true;\n    }\n    /**\n     * Get/set if user is active\n     *\n     * @fires Player#useractive\n     * @fires Player#userinactive\n     *\n     * @param {boolean} [bool]\n     *        - true if the user is active\n     *        - false if the user is inactive\n     *\n     * @return {boolean}\n     *         The current value of userActive when getting\n     */\n    ;\n\n    _proto.userActive = function userActive(bool) {\n      if (bool === undefined) {\n        return this.userActive_;\n      }\n\n      bool = !!bool;\n\n      if (bool === this.userActive_) {\n        return;\n      }\n\n      this.userActive_ = bool;\n\n      if (this.userActive_) {\n        this.userActivity_ = true;\n        this.removeClass('vjs-user-inactive');\n        this.addClass('vjs-user-active');\n        /**\n         * @event Player#useractive\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('useractive');\n        return;\n      } // Chrome/Safari/IE have bugs where when you change the cursor it can\n      // trigger a mousemove event. This causes an issue when you're hiding\n      // the cursor when the user is inactive, and a mousemove signals user\n      // activity. Making it impossible to go into inactive mode. Specifically\n      // this happens in fullscreen when we really need to hide the cursor.\n      //\n      // When this gets resolved in ALL browsers it can be removed\n      // https://code.google.com/p/chromium/issues/detail?id=103041\n\n\n      if (this.tech_) {\n        this.tech_.one('mousemove', function (e) {\n          e.stopPropagation();\n          e.preventDefault();\n        });\n      }\n\n      this.userActivity_ = false;\n      this.removeClass('vjs-user-active');\n      this.addClass('vjs-user-inactive');\n      /**\n       * @event Player#userinactive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('userinactive');\n    }\n    /**\n     * Listen for user activity based on timeout value\n     *\n     * @private\n     */\n    ;\n\n    _proto.listenForUserActivity_ = function listenForUserActivity_() {\n      var mouseInProgress;\n      var lastMoveX;\n      var lastMoveY;\n      var handleActivity = bind(this, this.reportUserActivity);\n\n      var handleMouseMove = function handleMouseMove(e) {\n        // #1068 - Prevent mousemove spamming\n        // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970\n        if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {\n          lastMoveX = e.screenX;\n          lastMoveY = e.screenY;\n          handleActivity();\n        }\n      };\n\n      var handleMouseDown = function handleMouseDown() {\n        handleActivity(); // For as long as the they are touching the device or have their mouse down,\n        // we consider them active even if they're not moving their finger or mouse.\n        // So we want to continue to update that they are active\n\n        this.clearInterval(mouseInProgress); // Setting userActivity=true now and setting the interval to the same time\n        // as the activityCheck interval (250) should ensure we never miss the\n        // next activityCheck\n\n        mouseInProgress = this.setInterval(handleActivity, 250);\n      };\n\n      var handleMouseUpAndMouseLeave = function handleMouseUpAndMouseLeave(event) {\n        handleActivity(); // Stop the interval that maintains activity if the mouse/touch is down\n\n        this.clearInterval(mouseInProgress);\n      }; // Any mouse movement will be considered user activity\n\n\n      this.on('mousedown', handleMouseDown);\n      this.on('mousemove', handleMouseMove);\n      this.on('mouseup', handleMouseUpAndMouseLeave);\n      this.on('mouseleave', handleMouseUpAndMouseLeave);\n      var controlBar = this.getChild('controlBar'); // Fixes bug on Android & iOS where when tapping progressBar (when control bar is displayed)\n      // controlBar would no longer be hidden by default timeout.\n\n      if (controlBar && !IS_IOS && !IS_ANDROID) {\n        controlBar.on('mouseenter', function (event) {\n          this.player().cache_.inactivityTimeout = this.player().options_.inactivityTimeout;\n          this.player().options_.inactivityTimeout = 0;\n        });\n        controlBar.on('mouseleave', function (event) {\n          this.player().options_.inactivityTimeout = this.player().cache_.inactivityTimeout;\n        });\n      } // Listen for keyboard navigation\n      // Shouldn't need to use inProgress interval because of key repeat\n\n\n      this.on('keydown', handleActivity);\n      this.on('keyup', handleActivity); // Run an interval every 250 milliseconds instead of stuffing everything into\n      // the mousemove/touchmove function itself, to prevent performance degradation.\n      // `this.reportUserActivity` simply sets this.userActivity_ to true, which\n      // then gets picked up by this loop\n      // http://ejohn.org/blog/learning-from-twitter/\n\n      var inactivityTimeout;\n      this.setInterval(function () {\n        // Check to see if mouse/touch activity has happened\n        if (!this.userActivity_) {\n          return;\n        } // Reset the activity tracker\n\n\n        this.userActivity_ = false; // If the user state was inactive, set the state to active\n\n        this.userActive(true); // Clear any existing inactivity timeout to start the timer over\n\n        this.clearTimeout(inactivityTimeout);\n        var timeout = this.options_.inactivityTimeout;\n\n        if (timeout <= 0) {\n          return;\n        } // In <timeout> milliseconds, if no more activity has occurred the\n        // user will be considered inactive\n\n\n        inactivityTimeout = this.setTimeout(function () {\n          // Protect against the case where the inactivityTimeout can trigger just\n          // before the next user activity is picked up by the activity check loop\n          // causing a flicker\n          if (!this.userActivity_) {\n            this.userActive(false);\n          }\n        }, timeout);\n      }, 250);\n    }\n    /**\n     * Gets or sets the current playback rate. A playback rate of\n     * 1.0 represents normal speed and 0.5 would indicate half-speed\n     * playback, for instance.\n     *\n     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate\n     *\n     * @param {number} [rate]\n     *       New playback rate to set.\n     *\n     * @return {number}\n     *         The current playback rate when getting or 1.0\n     */\n    ;\n\n    _proto.playbackRate = function playbackRate(rate) {\n      if (rate !== undefined) {\n        // NOTE: this.cache_.lastPlaybackRate is set from the tech handler\n        // that is registered above\n        this.techCall_('setPlaybackRate', rate);\n        return;\n      }\n\n      if (this.tech_ && this.tech_.featuresPlaybackRate) {\n        return this.cache_.lastPlaybackRate || this.techGet_('playbackRate');\n      }\n\n      return 1.0;\n    }\n    /**\n     * Gets or sets the current default playback rate. A default playback rate of\n     * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.\n     * defaultPlaybackRate will only represent what the initial playbackRate of a video was, not\n     * not the current playbackRate.\n     *\n     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate\n     *\n     * @param {number} [rate]\n     *       New default playback rate to set.\n     *\n     * @return {number|Player}\n     *         - The default playback rate when getting or 1.0\n     *         - the player when setting\n     */\n    ;\n\n    _proto.defaultPlaybackRate = function defaultPlaybackRate(rate) {\n      if (rate !== undefined) {\n        return this.techCall_('setDefaultPlaybackRate', rate);\n      }\n\n      if (this.tech_ && this.tech_.featuresPlaybackRate) {\n        return this.techGet_('defaultPlaybackRate');\n      }\n\n      return 1.0;\n    }\n    /**\n     * Gets or sets the audio flag\n     *\n     * @param {boolean} bool\n     *        - true signals that this is an audio player\n     *        - false signals that this is not an audio player\n     *\n     * @return {boolean}\n     *         The current value of isAudio when getting\n     */\n    ;\n\n    _proto.isAudio = function isAudio(bool) {\n      if (bool !== undefined) {\n        this.isAudio_ = !!bool;\n        return;\n      }\n\n      return !!this.isAudio_;\n    }\n    /**\n     * A helper method for adding a {@link TextTrack} to our\n     * {@link TextTrackList}.\n     *\n     * In addition to the W3C settings we allow adding additional info through options.\n     *\n     * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack\n     *\n     * @param {string} [kind]\n     *        the kind of TextTrack you are adding\n     *\n     * @param {string} [label]\n     *        the label to give the TextTrack label\n     *\n     * @param {string} [language]\n     *        the language to set on the TextTrack\n     *\n     * @return {TextTrack|undefined}\n     *         the TextTrack that was added or undefined\n     *         if there is no tech\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (this.tech_) {\n        return this.tech_.addTextTrack(kind, label, language);\n      }\n    }\n    /**\n     * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}.\n     * When manualCleanup is set to false, the track will be automatically removed\n     * on source changes.\n     *\n     * @param {Object} options\n     *        Options to pass to {@link HTMLTrackElement} during creation. See\n     *        {@link HTMLTrackElement} for object properties that you should use.\n     *\n     * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be\n     *                                       removed on a source change\n     *\n     * @return {HtmlTrackElement}\n     *         the HTMLTrackElement that was created and added\n     *         to the HtmlTrackElementList and the remote\n     *         TextTrackList\n     *\n     * @deprecated The default value of the \"manualCleanup\" parameter will default\n     *             to \"false\" in upcoming versions of Video.js\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      if (this.tech_) {\n        return this.tech_.addRemoteTextTrack(options, manualCleanup);\n      }\n    }\n    /**\n     * Remove a remote {@link TextTrack} from the respective\n     * {@link TextTrackList} and {@link HtmlTrackElementList}.\n     *\n     * @param {Object} track\n     *        Remote {@link TextTrack} to remove\n     *\n     * @return {undefined}\n     *         does not return anything\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(obj) {\n      if (obj === void 0) {\n        obj = {};\n      }\n\n      var _obj = obj,\n          track = _obj.track;\n\n      if (!track) {\n        track = obj;\n      } // destructure the input into an object with a track argument, defaulting to arguments[0]\n      // default the whole argument to an empty object if nothing was passed in\n\n\n      if (this.tech_) {\n        return this.tech_.removeRemoteTextTrack(track);\n      }\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object|undefined}\n     *         An object with supported media playback quality metrics or undefined if there\n     *         is no tech or the tech does not support it.\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      return this.techGet_('getVideoPlaybackQuality');\n    }\n    /**\n     * Get video width\n     *\n     * @return {number}\n     *         current video width\n     */\n    ;\n\n    _proto.videoWidth = function videoWidth() {\n      return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;\n    }\n    /**\n     * Get video height\n     *\n     * @return {number}\n     *         current video height\n     */\n    ;\n\n    _proto.videoHeight = function videoHeight() {\n      return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;\n    }\n    /**\n     * The player's language code\n     * NOTE: The language should be set in the player options if you want the\n     * the controls to be built with a specific language. Changing the language\n     * later will not update controls text.\n     *\n     * @param {string} [code]\n     *        the language code to set the player to\n     *\n     * @return {string}\n     *         The current language code when getting\n     */\n    ;\n\n    _proto.language = function language(code) {\n      if (code === undefined) {\n        return this.language_;\n      }\n\n      this.language_ = String(code).toLowerCase();\n    }\n    /**\n     * Get the player's language dictionary\n     * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time\n     * Languages specified directly in the player options have precedence\n     *\n     * @return {Array}\n     *         An array of of supported languages\n     */\n    ;\n\n    _proto.languages = function languages() {\n      return mergeOptions(Player.prototype.options_.languages, this.languages_);\n    }\n    /**\n     * returns a JavaScript object reperesenting the current track\n     * information. **DOES not return it as JSON**\n     *\n     * @return {Object}\n     *         Object representing the current of track info\n     */\n    ;\n\n    _proto.toJSON = function toJSON() {\n      var options = mergeOptions(this.options_);\n      var tracks = options.tracks;\n      options.tracks = [];\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // deep merge tracks and null out player so no circular references\n\n        track = mergeOptions(track);\n        track.player = undefined;\n        options.tracks[i] = track;\n      }\n\n      return options;\n    }\n    /**\n     * Creates a simple modal dialog (an instance of the {@link ModalDialog}\n     * component) that immediately overlays the player with arbitrary\n     * content and removes itself when closed.\n     *\n     * @param {string|Function|Element|Array|null} content\n     *        Same as {@link ModalDialog#content}'s param of the same name.\n     *        The most straight-forward usage is to provide a string or DOM\n     *        element.\n     *\n     * @param {Object} [options]\n     *        Extra options which will be passed on to the {@link ModalDialog}.\n     *\n     * @return {ModalDialog}\n     *         the {@link ModalDialog} that was created\n     */\n    ;\n\n    _proto.createModal = function createModal(content, options) {\n      var _this16 = this;\n\n      options = options || {};\n      options.content = content || '';\n      var modal = new ModalDialog(this, options);\n      this.addChild(modal);\n      modal.on('dispose', function () {\n        _this16.removeChild(modal);\n      });\n      modal.open();\n      return modal;\n    }\n    /**\n     * Change breakpoint classes when the player resizes.\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateCurrentBreakpoint_ = function updateCurrentBreakpoint_() {\n      if (!this.responsive()) {\n        return;\n      }\n\n      var currentBreakpoint = this.currentBreakpoint();\n      var currentWidth = this.currentWidth();\n\n      for (var i = 0; i < BREAKPOINT_ORDER.length; i++) {\n        var candidateBreakpoint = BREAKPOINT_ORDER[i];\n        var maxWidth = this.breakpoints_[candidateBreakpoint];\n\n        if (currentWidth <= maxWidth) {\n          // The current breakpoint did not change, nothing to do.\n          if (currentBreakpoint === candidateBreakpoint) {\n            return;\n          } // Only remove a class if there is a current breakpoint.\n\n\n          if (currentBreakpoint) {\n            this.removeClass(BREAKPOINT_CLASSES[currentBreakpoint]);\n          }\n\n          this.addClass(BREAKPOINT_CLASSES[candidateBreakpoint]);\n          this.breakpoint_ = candidateBreakpoint;\n          break;\n        }\n      }\n    }\n    /**\n     * Removes the current breakpoint.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeCurrentBreakpoint_ = function removeCurrentBreakpoint_() {\n      var className = this.currentBreakpointClass();\n      this.breakpoint_ = '';\n\n      if (className) {\n        this.removeClass(className);\n      }\n    }\n    /**\n     * Get or set breakpoints on the player.\n     *\n     * Calling this method with an object or `true` will remove any previous\n     * custom breakpoints and start from the defaults again.\n     *\n     * @param  {Object|boolean} [breakpoints]\n     *         If an object is given, it can be used to provide custom\n     *         breakpoints. If `true` is given, will set default breakpoints.\n     *         If this argument is not given, will simply return the current\n     *         breakpoints.\n     *\n     * @param  {number} [breakpoints.tiny]\n     *         The maximum width for the \"vjs-layout-tiny\" class.\n     *\n     * @param  {number} [breakpoints.xsmall]\n     *         The maximum width for the \"vjs-layout-x-small\" class.\n     *\n     * @param  {number} [breakpoints.small]\n     *         The maximum width for the \"vjs-layout-small\" class.\n     *\n     * @param  {number} [breakpoints.medium]\n     *         The maximum width for the \"vjs-layout-medium\" class.\n     *\n     * @param  {number} [breakpoints.large]\n     *         The maximum width for the \"vjs-layout-large\" class.\n     *\n     * @param  {number} [breakpoints.xlarge]\n     *         The maximum width for the \"vjs-layout-x-large\" class.\n     *\n     * @param  {number} [breakpoints.huge]\n     *         The maximum width for the \"vjs-layout-huge\" class.\n     *\n     * @return {Object}\n     *         An object mapping breakpoint names to maximum width values.\n     */\n    ;\n\n    _proto.breakpoints = function breakpoints(_breakpoints) {\n      // Used as a getter.\n      if (_breakpoints === undefined) {\n        return assign(this.breakpoints_);\n      }\n\n      this.breakpoint_ = '';\n      this.breakpoints_ = assign({}, DEFAULT_BREAKPOINTS, _breakpoints); // When breakpoint definitions change, we need to update the currently\n      // selected breakpoint.\n\n      this.updateCurrentBreakpoint_(); // Clone the breakpoints before returning.\n\n      return assign(this.breakpoints_);\n    }\n    /**\n     * Get or set a flag indicating whether or not this player should adjust\n     * its UI based on its dimensions.\n     *\n     * @param  {boolean} value\n     *         Should be `true` if the player should adjust its UI based on its\n     *         dimensions; otherwise, should be `false`.\n     *\n     * @return {boolean}\n     *         Will be `true` if this player should adjust its UI based on its\n     *         dimensions; otherwise, will be `false`.\n     */\n    ;\n\n    _proto.responsive = function responsive(value) {\n      // Used as a getter.\n      if (value === undefined) {\n        return this.responsive_;\n      }\n\n      value = Boolean(value);\n      var current = this.responsive_; // Nothing changed.\n\n      if (value === current) {\n        return;\n      } // The value actually changed, set it.\n\n\n      this.responsive_ = value; // Start listening for breakpoints and set the initial breakpoint if the\n      // player is now responsive.\n\n      if (value) {\n        this.on('playerresize', this.updateCurrentBreakpoint_);\n        this.updateCurrentBreakpoint_(); // Stop listening for breakpoints if the player is no longer responsive.\n      } else {\n        this.off('playerresize', this.updateCurrentBreakpoint_);\n        this.removeCurrentBreakpoint_();\n      }\n\n      return value;\n    }\n    /**\n     * Get current breakpoint name, if any.\n     *\n     * @return {string}\n     *         If there is currently a breakpoint set, returns a the key from the\n     *         breakpoints object matching it. Otherwise, returns an empty string.\n     */\n    ;\n\n    _proto.currentBreakpoint = function currentBreakpoint() {\n      return this.breakpoint_;\n    }\n    /**\n     * Get the current breakpoint class name.\n     *\n     * @return {string}\n     *         The matching class name (e.g. `\"vjs-layout-tiny\"` or\n     *         `\"vjs-layout-large\"`) for the current breakpoint. Empty string if\n     *         there is no current breakpoint.\n     */\n    ;\n\n    _proto.currentBreakpointClass = function currentBreakpointClass() {\n      return BREAKPOINT_CLASSES[this.breakpoint_] || '';\n    }\n    /**\n     * An object that describes a single piece of media.\n     *\n     * Properties that are not part of this type description will be retained; so,\n     * this can be viewed as a generic metadata storage mechanism as well.\n     *\n     * @see      {@link https://wicg.github.io/mediasession/#the-mediametadata-interface}\n     * @typedef  {Object} Player~MediaObject\n     *\n     * @property {string} [album]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {string} [artist]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {Object[]} [artwork]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API. If not specified, will be populated via the `poster`, if\n     *           available.\n     *\n     * @property {string} [poster]\n     *           URL to an image that will display before playback.\n     *\n     * @property {Tech~SourceObject|Tech~SourceObject[]|string} [src]\n     *           A single source object, an array of source objects, or a string\n     *           referencing a URL to a media source. It is _highly recommended_\n     *           that an object or array of objects is used here, so that source\n     *           selection algorithms can take the `type` into account.\n     *\n     * @property {string} [title]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {Object[]} [textTracks]\n     *           An array of objects to be used to create text tracks, following\n     *           the {@link https://www.w3.org/TR/html50/embedded-content-0.html#the-track-element|native track element format}.\n     *           For ease of removal, these will be created as \"remote\" text\n     *           tracks and set to automatically clean up on source changes.\n     *\n     *           These objects may have properties like `src`, `kind`, `label`,\n     *           and `language`, see {@link Tech#createRemoteTextTrack}.\n     */\n\n    /**\n     * Populate the player using a {@link Player~MediaObject|MediaObject}.\n     *\n     * @param  {Player~MediaObject} media\n     *         A media object.\n     *\n     * @param  {Function} ready\n     *         A callback to be called when the player is ready.\n     */\n    ;\n\n    _proto.loadMedia = function loadMedia(media, ready) {\n      var _this17 = this;\n\n      if (!media || typeof media !== 'object') {\n        return;\n      }\n\n      this.reset(); // Clone the media object so it cannot be mutated from outside.\n\n      this.cache_.media = mergeOptions(media);\n      var _this$cache_$media = this.cache_.media,\n          artwork = _this$cache_$media.artwork,\n          poster = _this$cache_$media.poster,\n          src = _this$cache_$media.src,\n          textTracks = _this$cache_$media.textTracks; // If `artwork` is not given, create it using `poster`.\n\n      if (!artwork && poster) {\n        this.cache_.media.artwork = [{\n          src: poster,\n          type: getMimetype(poster)\n        }];\n      }\n\n      if (src) {\n        this.src(src);\n      }\n\n      if (poster) {\n        this.poster(poster);\n      }\n\n      if (Array.isArray(textTracks)) {\n        textTracks.forEach(function (tt) {\n          return _this17.addRemoteTextTrack(tt, false);\n        });\n      }\n\n      this.ready(ready);\n    }\n    /**\n     * Get a clone of the current {@link Player~MediaObject} for this player.\n     *\n     * If the `loadMedia` method has not been used, will attempt to return a\n     * {@link Player~MediaObject} based on the current state of the player.\n     *\n     * @return {Player~MediaObject}\n     */\n    ;\n\n    _proto.getMedia = function getMedia() {\n      if (!this.cache_.media) {\n        var poster = this.poster();\n        var src = this.currentSources();\n        var textTracks = Array.prototype.map.call(this.remoteTextTracks(), function (tt) {\n          return {\n            kind: tt.kind,\n            label: tt.label,\n            language: tt.language,\n            src: tt.src\n          };\n        });\n        var media = {\n          src: src,\n          textTracks: textTracks\n        };\n\n        if (poster) {\n          media.poster = poster;\n          media.artwork = [{\n            src: media.poster,\n            type: getMimetype(media.poster)\n          }];\n        }\n\n        return media;\n      }\n\n      return mergeOptions(this.cache_.media);\n    }\n    /**\n     * Gets tag settings\n     *\n     * @param {Element} tag\n     *        The player tag\n     *\n     * @return {Object}\n     *         An object containing all of the settings\n     *         for a player tag\n     */\n    ;\n\n    Player.getTagSettings = function getTagSettings(tag) {\n      var baseOptions = {\n        sources: [],\n        tracks: []\n      };\n      var tagOptions = getAttributes(tag);\n      var dataSetup = tagOptions['data-setup'];\n\n      if (hasClass(tag, 'vjs-fill')) {\n        tagOptions.fill = true;\n      }\n\n      if (hasClass(tag, 'vjs-fluid')) {\n        tagOptions.fluid = true;\n      } // Check if data-setup attr exists.\n\n\n      if (dataSetup !== null) {\n        // Parse options JSON\n        // If empty string, make it a parsable json object.\n        var _safeParseTuple = tuple(dataSetup || '{}'),\n            err = _safeParseTuple[0],\n            data = _safeParseTuple[1];\n\n        if (err) {\n          log.error(err);\n        }\n\n        assign(tagOptions, data);\n      }\n\n      assign(baseOptions, tagOptions); // Get tag children settings\n\n      if (tag.hasChildNodes()) {\n        var children = tag.childNodes;\n\n        for (var i = 0, j = children.length; i < j; i++) {\n          var child = children[i]; // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/\n\n          var childName = child.nodeName.toLowerCase();\n\n          if (childName === 'source') {\n            baseOptions.sources.push(getAttributes(child));\n          } else if (childName === 'track') {\n            baseOptions.tracks.push(getAttributes(child));\n          }\n        }\n      }\n\n      return baseOptions;\n    }\n    /**\n     * Determine whether or not flexbox is supported\n     *\n     * @return {boolean}\n     *         - true if flexbox is supported\n     *         - false if flexbox is not supported\n     */\n    ;\n\n    _proto.flexNotSupported_ = function flexNotSupported_() {\n      var elem = document.createElement('i'); // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more\n      // common flex features that we can rely on when checking for flex support.\n\n      return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style || // IE10-specific (2012 flex spec), available for completeness\n      'msFlexOrder' in elem.style);\n    };\n\n    return Player;\n  }(Component);\n  /**\n   * Get the {@link VideoTrackList}\n   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist\n   *\n   * @return {VideoTrackList}\n   *         the current video track list\n   *\n   * @method Player.prototype.videoTracks\n   */\n\n  /**\n   * Get the {@link AudioTrackList}\n   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist\n   *\n   * @return {AudioTrackList}\n   *         the current audio track list\n   *\n   * @method Player.prototype.audioTracks\n   */\n\n  /**\n   * Get the {@link TextTrackList}\n   *\n   * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks\n   *\n   * @return {TextTrackList}\n   *         the current text track list\n   *\n   * @method Player.prototype.textTracks\n   */\n\n  /**\n   * Get the remote {@link TextTrackList}\n   *\n   * @return {TextTrackList}\n   *         The current remote text track list\n   *\n   * @method Player.prototype.remoteTextTracks\n   */\n\n  /**\n   * Get the remote {@link HtmlTrackElementList} tracks.\n   *\n   * @return {HtmlTrackElementList}\n   *         The current remote text track element list\n   *\n   * @method Player.prototype.remoteTextTrackEls\n   */\n\n\n  ALL.names.forEach(function (name) {\n    var props = ALL[name];\n\n    Player.prototype[props.getterName] = function () {\n      if (this.tech_) {\n        return this.tech_[props.getterName]();\n      } // if we have not yet loadTech_, we create {video,audio,text}Tracks_\n      // these will be passed to the tech during loading\n\n\n      this[props.privateName] = this[props.privateName] || new props.ListClass();\n      return this[props.privateName];\n    };\n  });\n  /**\n   * Global enumeration of players.\n   *\n   * The keys are the player IDs and the values are either the {@link Player}\n   * instance or `null` for disposed players.\n   *\n   * @type {Object}\n   */\n\n  Player.players = {};\n  var navigator = window$3.navigator;\n  /*\n   * Player instance options, surfaced using options\n   * options = Player.prototype.options_\n   * Make changes in options, not here.\n   *\n   * @type {Object}\n   * @private\n   */\n\n  Player.prototype.options_ = {\n    // Default order of fallback technology\n    techOrder: Tech.defaultTechOrder_,\n    html5: {},\n    flash: {},\n    // default inactivity timeout\n    inactivityTimeout: 2000,\n    // default playback rates\n    playbackRates: [],\n    // Add playback rate selection by adding rates\n    // 'playbackRates': [0.5, 1, 1.5, 2],\n    liveui: false,\n    // Included control sets\n    children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'liveTracker', 'controlBar', 'errorDisplay', 'textTrackSettings', 'resizeManager'],\n    language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en',\n    // locales and their language translations\n    languages: {},\n    // Default message to show when a video cannot be played.\n    notSupportedMessage: 'No compatible source was found for this media.',\n    fullscreen: {\n      options: {\n        navigationUI: 'hide'\n      }\n    },\n    breakpoints: {},\n    responsive: false\n  };\n  [\n  /**\n   * Returns whether or not the player is in the \"ended\" state.\n   *\n   * @return {Boolean} True if the player is in the ended state, false if not.\n   * @method Player#ended\n   */\n  'ended',\n  /**\n   * Returns whether or not the player is in the \"seeking\" state.\n   *\n   * @return {Boolean} True if the player is in the seeking state, false if not.\n   * @method Player#seeking\n   */\n  'seeking',\n  /**\n   * Returns the TimeRanges of the media that are currently available\n   * for seeking to.\n   *\n   * @return {TimeRanges} the seekable intervals of the media timeline\n   * @method Player#seekable\n   */\n  'seekable',\n  /**\n   * Returns the current state of network activity for the element, from\n   * the codes in the list below.\n   * - NETWORK_EMPTY (numeric value 0)\n   *   The element has not yet been initialised. All attributes are in\n   *   their initial states.\n   * - NETWORK_IDLE (numeric value 1)\n   *   The element's resource selection algorithm is active and has\n   *   selected a resource, but it is not actually using the network at\n   *   this time.\n   * - NETWORK_LOADING (numeric value 2)\n   *   The user agent is actively trying to download data.\n   * - NETWORK_NO_SOURCE (numeric value 3)\n   *   The element's resource selection algorithm is active, but it has\n   *   not yet found a resource to use.\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states\n   * @return {number} the current network activity state\n   * @method Player#networkState\n   */\n  'networkState',\n  /**\n   * Returns a value that expresses the current state of the element\n   * with respect to rendering the current playback position, from the\n   * codes in the list below.\n   * - HAVE_NOTHING (numeric value 0)\n   *   No information regarding the media resource is available.\n   * - HAVE_METADATA (numeric value 1)\n   *   Enough of the resource has been obtained that the duration of the\n   *   resource is available.\n   * - HAVE_CURRENT_DATA (numeric value 2)\n   *   Data for the immediate current playback position is available.\n   * - HAVE_FUTURE_DATA (numeric value 3)\n   *   Data for the immediate current playback position is available, as\n   *   well as enough data for the user agent to advance the current\n   *   playback position in the direction of playback.\n   * - HAVE_ENOUGH_DATA (numeric value 4)\n   *   The user agent estimates that enough data is available for\n   *   playback to proceed uninterrupted.\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate\n   * @return {number} the current playback rendering state\n   * @method Player#readyState\n   */\n  'readyState'].forEach(function (fn) {\n    Player.prototype[fn] = function () {\n      return this.techGet_(fn);\n    };\n  });\n  TECH_EVENTS_RETRIGGER.forEach(function (event) {\n    Player.prototype[\"handleTech\" + toTitleCase(event) + \"_\"] = function () {\n      return this.trigger(event);\n    };\n  });\n  /**\n   * Fired when the player has initial duration and dimension information\n   *\n   * @event Player#loadedmetadata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the player has downloaded data at the current playback position\n   *\n   * @event Player#loadeddata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the current playback position has changed *\n   * During playback this is fired every 15-250 milliseconds, depending on the\n   * playback technology in use.\n   *\n   * @event Player#timeupdate\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the volume changes\n   *\n   * @event Player#volumechange\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Reports whether or not a player has a plugin available.\n   *\n   * This does not report whether or not the plugin has ever been initialized\n   * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.\n   *\n   * @method Player#hasPlugin\n   * @param  {string}  name\n   *         The name of a plugin.\n   *\n   * @return {boolean}\n   *         Whether or not this player has the requested plugin available.\n   */\n\n  /**\n   * Reports whether or not a player is using a plugin by name.\n   *\n   * For basic plugins, this only reports whether the plugin has _ever_ been\n   * initialized on this player.\n   *\n   * @method Player#usingPlugin\n   * @param  {string} name\n   *         The name of a plugin.\n   *\n   * @return {boolean}\n   *         Whether or not this player is using the requested plugin.\n   */\n\n  Component.registerComponent('Player', Player);\n\n  var setPrototypeOf = createCommonjsModule(function (module) {\n    function _setPrototypeOf(o, p) {\n      module.exports = _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {\n        o.__proto__ = p;\n        return o;\n      };\n\n      return _setPrototypeOf(o, p);\n    }\n\n    module.exports = _setPrototypeOf;\n  });\n\n  function _isNativeReflectConstruct() {\n    if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n    if (Reflect.construct.sham) return false;\n    if (typeof Proxy === \"function\") return true;\n\n    try {\n      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  var isNativeReflectConstruct = _isNativeReflectConstruct;\n\n  var construct = createCommonjsModule(function (module) {\n    function _construct(Parent, args, Class) {\n      if (isNativeReflectConstruct()) {\n        module.exports = _construct = Reflect.construct;\n      } else {\n        module.exports = _construct = function _construct(Parent, args, Class) {\n          var a = [null];\n          a.push.apply(a, args);\n          var Constructor = Function.bind.apply(Parent, a);\n          var instance = new Constructor();\n          if (Class) setPrototypeOf(instance, Class.prototype);\n          return instance;\n        };\n      }\n\n      return _construct.apply(null, arguments);\n    }\n\n    module.exports = _construct;\n  });\n\n  /**\n   * The base plugin name.\n   *\n   * @private\n   * @constant\n   * @type {string}\n   */\n\n  var BASE_PLUGIN_NAME = 'plugin';\n  /**\n   * The key on which a player's active plugins cache is stored.\n   *\n   * @private\n   * @constant\n   * @type     {string}\n   */\n\n  var PLUGIN_CACHE_KEY = 'activePlugins_';\n  /**\n   * Stores registered plugins in a private space.\n   *\n   * @private\n   * @type    {Object}\n   */\n\n  var pluginStorage = {};\n  /**\n   * Reports whether or not a plugin has been registered.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of a plugin.\n   *\n   * @return {boolean}\n   *          Whether or not the plugin has been registered.\n   */\n\n  var pluginExists = function pluginExists(name) {\n    return pluginStorage.hasOwnProperty(name);\n  };\n  /**\n   * Get a single registered plugin by name.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of a plugin.\n   *\n   * @return {Function|undefined}\n   *          The plugin (or undefined).\n   */\n\n\n  var getPlugin = function getPlugin(name) {\n    return pluginExists(name) ? pluginStorage[name] : undefined;\n  };\n  /**\n   * Marks a plugin as \"active\" on a player.\n   *\n   * Also, ensures that the player has an object for tracking active plugins.\n   *\n   * @private\n   * @param   {Player} player\n   *          A Video.js player instance.\n   *\n   * @param   {string} name\n   *          The name of a plugin.\n   */\n\n\n  var markPluginAsActive = function markPluginAsActive(player, name) {\n    player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};\n    player[PLUGIN_CACHE_KEY][name] = true;\n  };\n  /**\n   * Triggers a pair of plugin setup events.\n   *\n   * @private\n   * @param  {Player} player\n   *         A Video.js player instance.\n   *\n   * @param  {Plugin~PluginEventHash} hash\n   *         A plugin event hash.\n   *\n   * @param  {boolean} [before]\n   *         If true, prefixes the event name with \"before\". In other words,\n   *         use this to trigger \"beforepluginsetup\" instead of \"pluginsetup\".\n   */\n\n\n  var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {\n    var eventName = (before ? 'before' : '') + 'pluginsetup';\n    player.trigger(eventName, hash);\n    player.trigger(eventName + ':' + hash.name, hash);\n  };\n  /**\n   * Takes a basic plugin function and returns a wrapper function which marks\n   * on the player that the plugin has been activated.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of the plugin.\n   *\n   * @param   {Function} plugin\n   *          The basic plugin.\n   *\n   * @return {Function}\n   *          A wrapper function for the given plugin.\n   */\n\n\n  var createBasicPlugin = function createBasicPlugin(name, plugin) {\n    var basicPluginWrapper = function basicPluginWrapper() {\n      // We trigger the \"beforepluginsetup\" and \"pluginsetup\" events on the player\n      // regardless, but we want the hash to be consistent with the hash provided\n      // for advanced plugins.\n      //\n      // The only potentially counter-intuitive thing here is the `instance` in\n      // the \"pluginsetup\" event is the value returned by the `plugin` function.\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: plugin,\n        instance: null\n      }, true);\n      var instance = plugin.apply(this, arguments);\n      markPluginAsActive(this, name);\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: plugin,\n        instance: instance\n      });\n      return instance;\n    };\n\n    Object.keys(plugin).forEach(function (prop) {\n      basicPluginWrapper[prop] = plugin[prop];\n    });\n    return basicPluginWrapper;\n  };\n  /**\n   * Takes a plugin sub-class and returns a factory function for generating\n   * instances of it.\n   *\n   * This factory function will replace itself with an instance of the requested\n   * sub-class of Plugin.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of the plugin.\n   *\n   * @param   {Plugin} PluginSubClass\n   *          The advanced plugin.\n   *\n   * @return {Function}\n   */\n\n\n  var createPluginFactory = function createPluginFactory(name, PluginSubClass) {\n    // Add a `name` property to the plugin prototype so that each plugin can\n    // refer to itself by name.\n    PluginSubClass.prototype.name = name;\n    return function () {\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: PluginSubClass,\n        instance: null\n      }, true);\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var instance = construct(PluginSubClass, [this].concat(args)); // The plugin is replaced by a function that returns the current instance.\n\n\n      this[name] = function () {\n        return instance;\n      };\n\n      triggerSetupEvent(this, instance.getEventHash());\n      return instance;\n    };\n  };\n  /**\n   * Parent class for all advanced plugins.\n   *\n   * @mixes   module:evented~EventedMixin\n   * @mixes   module:stateful~StatefulMixin\n   * @fires   Player#beforepluginsetup\n   * @fires   Player#beforepluginsetup:$name\n   * @fires   Player#pluginsetup\n   * @fires   Player#pluginsetup:$name\n   * @listens Player#dispose\n   * @throws  {Error}\n   *          If attempting to instantiate the base {@link Plugin} class\n   *          directly instead of via a sub-class.\n   */\n\n\n  var Plugin = /*#__PURE__*/function () {\n    /**\n     * Creates an instance of this class.\n     *\n     * Sub-classes should call `super` to ensure plugins are properly initialized.\n     *\n     * @param {Player} player\n     *        A Video.js player instance.\n     */\n    function Plugin(player) {\n      if (this.constructor === Plugin) {\n        throw new Error('Plugin must be sub-classed; not directly instantiated.');\n      }\n\n      this.player = player; // Make this object evented, but remove the added `trigger` method so we\n      // use the prototype version instead.\n\n      evented(this);\n      delete this.trigger;\n      stateful(this, this.constructor.defaultState);\n      markPluginAsActive(player, this.name); // Auto-bind the dispose method so we can use it as a listener and unbind\n      // it later easily.\n\n      this.dispose = bind(this, this.dispose); // If the player is disposed, dispose the plugin.\n\n      player.on('dispose', this.dispose);\n    }\n    /**\n     * Get the version of the plugin that was set on <pluginName>.VERSION\n     */\n\n\n    var _proto = Plugin.prototype;\n\n    _proto.version = function version() {\n      return this.constructor.VERSION;\n    }\n    /**\n     * Each event triggered by plugins includes a hash of additional data with\n     * conventional properties.\n     *\n     * This returns that object or mutates an existing hash.\n     *\n     * @param   {Object} [hash={}]\n     *          An object to be used as event an event hash.\n     *\n     * @return {Plugin~PluginEventHash}\n     *          An event hash object with provided properties mixed-in.\n     */\n    ;\n\n    _proto.getEventHash = function getEventHash(hash) {\n      if (hash === void 0) {\n        hash = {};\n      }\n\n      hash.name = this.name;\n      hash.plugin = this.constructor;\n      hash.instance = this;\n      return hash;\n    }\n    /**\n     * Triggers an event on the plugin object and overrides\n     * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.\n     *\n     * @param   {string|Object} event\n     *          An event type or an object with a type property.\n     *\n     * @param   {Object} [hash={}]\n     *          Additional data hash to merge with a\n     *          {@link Plugin~PluginEventHash|PluginEventHash}.\n     *\n     * @return {boolean}\n     *          Whether or not default was prevented.\n     */\n    ;\n\n    _proto.trigger = function trigger$1(event, hash) {\n      if (hash === void 0) {\n        hash = {};\n      }\n\n      return trigger(this.eventBusEl_, event, this.getEventHash(hash));\n    }\n    /**\n     * Handles \"statechanged\" events on the plugin. No-op by default, override by\n     * subclassing.\n     *\n     * @abstract\n     * @param    {Event} e\n     *           An event object provided by a \"statechanged\" event.\n     *\n     * @param    {Object} e.changes\n     *           An object describing changes that occurred with the \"statechanged\"\n     *           event.\n     */\n    ;\n\n    _proto.handleStateChanged = function handleStateChanged(e) {}\n    /**\n     * Disposes a plugin.\n     *\n     * Subclasses can override this if they want, but for the sake of safety,\n     * it's probably best to subscribe the \"dispose\" event.\n     *\n     * @fires Plugin#dispose\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      var name = this.name,\n          player = this.player;\n      /**\n       * Signals that a advanced plugin is about to be disposed.\n       *\n       * @event Plugin#dispose\n       * @type  {EventTarget~Event}\n       */\n\n      this.trigger('dispose');\n      this.off();\n      player.off('dispose', this.dispose); // Eliminate any possible sources of leaking memory by clearing up\n      // references between the player and the plugin instance and nulling out\n      // the plugin's state and replacing methods with a function that throws.\n\n      player[PLUGIN_CACHE_KEY][name] = false;\n      this.player = this.state = null; // Finally, replace the plugin name on the player with a new factory\n      // function, so that the plugin is ready to be set up again.\n\n      player[name] = createPluginFactory(name, pluginStorage[name]);\n    }\n    /**\n     * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).\n     *\n     * @param   {string|Function} plugin\n     *          If a string, matches the name of a plugin. If a function, will be\n     *          tested directly.\n     *\n     * @return {boolean}\n     *          Whether or not a plugin is a basic plugin.\n     */\n    ;\n\n    Plugin.isBasic = function isBasic(plugin) {\n      var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;\n      return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);\n    }\n    /**\n     * Register a Video.js plugin.\n     *\n     * @param   {string} name\n     *          The name of the plugin to be registered. Must be a string and\n     *          must not match an existing plugin or a method on the `Player`\n     *          prototype.\n     *\n     * @param   {Function} plugin\n     *          A sub-class of `Plugin` or a function for basic plugins.\n     *\n     * @return {Function}\n     *          For advanced plugins, a factory function for that plugin. For\n     *          basic plugins, a wrapper function that initializes the plugin.\n     */\n    ;\n\n    Plugin.registerPlugin = function registerPlugin(name, plugin) {\n      if (typeof name !== 'string') {\n        throw new Error(\"Illegal plugin name, \\\"\" + name + \"\\\", must be a string, was \" + typeof name + \".\");\n      }\n\n      if (pluginExists(name)) {\n        log.warn(\"A plugin named \\\"\" + name + \"\\\" already exists. You may want to avoid re-registering plugins!\");\n      } else if (Player.prototype.hasOwnProperty(name)) {\n        throw new Error(\"Illegal plugin name, \\\"\" + name + \"\\\", cannot share a name with an existing player method!\");\n      }\n\n      if (typeof plugin !== 'function') {\n        throw new Error(\"Illegal plugin for \\\"\" + name + \"\\\", must be a function, was \" + typeof plugin + \".\");\n      }\n\n      pluginStorage[name] = plugin; // Add a player prototype method for all sub-classed plugins (but not for\n      // the base Plugin class).\n\n      if (name !== BASE_PLUGIN_NAME) {\n        if (Plugin.isBasic(plugin)) {\n          Player.prototype[name] = createBasicPlugin(name, plugin);\n        } else {\n          Player.prototype[name] = createPluginFactory(name, plugin);\n        }\n      }\n\n      return plugin;\n    }\n    /**\n     * De-register a Video.js plugin.\n     *\n     * @param  {string} name\n     *         The name of the plugin to be de-registered. Must be a string that\n     *         matches an existing plugin.\n     *\n     * @throws {Error}\n     *         If an attempt is made to de-register the base plugin.\n     */\n    ;\n\n    Plugin.deregisterPlugin = function deregisterPlugin(name) {\n      if (name === BASE_PLUGIN_NAME) {\n        throw new Error('Cannot de-register base plugin.');\n      }\n\n      if (pluginExists(name)) {\n        delete pluginStorage[name];\n        delete Player.prototype[name];\n      }\n    }\n    /**\n     * Gets an object containing multiple Video.js plugins.\n     *\n     * @param   {Array} [names]\n     *          If provided, should be an array of plugin names. Defaults to _all_\n     *          plugin names.\n     *\n     * @return {Object|undefined}\n     *          An object containing plugin(s) associated with their name(s) or\n     *          `undefined` if no matching plugins exist).\n     */\n    ;\n\n    Plugin.getPlugins = function getPlugins(names) {\n      if (names === void 0) {\n        names = Object.keys(pluginStorage);\n      }\n\n      var result;\n      names.forEach(function (name) {\n        var plugin = getPlugin(name);\n\n        if (plugin) {\n          result = result || {};\n          result[name] = plugin;\n        }\n      });\n      return result;\n    }\n    /**\n     * Gets a plugin's version, if available\n     *\n     * @param   {string} name\n     *          The name of a plugin.\n     *\n     * @return {string}\n     *          The plugin's version or an empty string.\n     */\n    ;\n\n    Plugin.getPluginVersion = function getPluginVersion(name) {\n      var plugin = getPlugin(name);\n      return plugin && plugin.VERSION || '';\n    };\n\n    return Plugin;\n  }();\n  /**\n   * Gets a plugin by name if it exists.\n   *\n   * @static\n   * @method   getPlugin\n   * @memberOf Plugin\n   * @param    {string} name\n   *           The name of a plugin.\n   *\n   * @returns  {Function|undefined}\n   *           The plugin (or `undefined`).\n   */\n\n\n  Plugin.getPlugin = getPlugin;\n  /**\n   * The name of the base plugin class as it is registered.\n   *\n   * @type {string}\n   */\n\n  Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;\n  Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);\n  /**\n   * Documented in player.js\n   *\n   * @ignore\n   */\n\n  Player.prototype.usingPlugin = function (name) {\n    return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;\n  };\n  /**\n   * Documented in player.js\n   *\n   * @ignore\n   */\n\n\n  Player.prototype.hasPlugin = function (name) {\n    return !!pluginExists(name);\n  };\n  /**\n   * Signals that a plugin is about to be set up on a player.\n   *\n   * @event    Player#beforepluginsetup\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin is about to be set up on a player - by name. The name\n   * is the name of the plugin.\n   *\n   * @event    Player#beforepluginsetup:$name\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin has just been set up on a player.\n   *\n   * @event    Player#pluginsetup\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin has just been set up on a player - by name. The name\n   * is the name of the plugin.\n   *\n   * @event    Player#pluginsetup:$name\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * @typedef  {Object} Plugin~PluginEventHash\n   *\n   * @property {string} instance\n   *           For basic plugins, the return value of the plugin function. For\n   *           advanced plugins, the plugin instance on which the event is fired.\n   *\n   * @property {string} name\n   *           The name of the plugin.\n   *\n   * @property {string} plugin\n   *           For basic plugins, the plugin function. For advanced plugins, the\n   *           plugin class/constructor.\n   */\n\n  function _inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function\");\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) setPrototypeOf(subClass, superClass);\n  }\n\n  var inherits = _inherits;\n\n  /**\n   * @file extend.js\n   * @module extend\n   */\n  /**\n   * Used to subclass an existing class by emulating ES subclassing using the\n   * `extends` keyword.\n   *\n   * @function\n   * @example\n   * var MyComponent = videojs.extend(videojs.getComponent('Component'), {\n   *   myCustomMethod: function() {\n   *     // Do things in my method.\n   *   }\n   * });\n   *\n   * @param    {Function} superClass\n   *           The class to inherit from\n   *\n   * @param    {Object}   [subClassMethods={}]\n   *           Methods of the new class\n   *\n   * @return   {Function}\n   *           The new class with subClassMethods that inherited superClass.\n   */\n\n  var extend = function extend(superClass, subClassMethods) {\n    if (subClassMethods === void 0) {\n      subClassMethods = {};\n    }\n\n    var subClass = function subClass() {\n      superClass.apply(this, arguments);\n    };\n\n    var methods = {};\n\n    if (typeof subClassMethods === 'object') {\n      if (subClassMethods.constructor !== Object.prototype.constructor) {\n        subClass = subClassMethods.constructor;\n      }\n\n      methods = subClassMethods;\n    } else if (typeof subClassMethods === 'function') {\n      subClass = subClassMethods;\n    }\n\n    inherits(subClass, superClass); // this is needed for backward-compatibility and node compatibility.\n\n\n    if (superClass) {\n      subClass.super_ = superClass;\n    } // Extend subObj's prototype with functions and other properties from props\n\n\n    for (var name in methods) {\n      if (methods.hasOwnProperty(name)) {\n        subClass.prototype[name] = methods[name];\n      }\n    }\n\n    return subClass;\n  };\n\n  /**\n   * @file video.js\n   * @module videojs\n   */\n  /**\n   * Normalize an `id` value by trimming off a leading `#`\n   *\n   * @private\n   * @param   {string} id\n   *          A string, maybe with a leading `#`.\n   *\n   * @return {string}\n   *          The string, without any leading `#`.\n   */\n\n  var normalizeId = function normalizeId(id) {\n    return id.indexOf('#') === 0 ? id.slice(1) : id;\n  };\n  /**\n   * The `videojs()` function doubles as the main function for users to create a\n   * {@link Player} instance as well as the main library namespace.\n   *\n   * It can also be used as a getter for a pre-existing {@link Player} instance.\n   * However, we _strongly_ recommend using `videojs.getPlayer()` for this\n   * purpose because it avoids any potential for unintended initialization.\n   *\n   * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)\n   * of our JSDoc template, we cannot properly document this as both a function\n   * and a namespace, so its function signature is documented here.\n   *\n   * #### Arguments\n   * ##### id\n   * string|Element, **required**\n   *\n   * Video element or video element ID.\n   *\n   * ##### options\n   * Object, optional\n   *\n   * Options object for providing settings.\n   * See: [Options Guide](https://docs.videojs.com/tutorial-options.html).\n   *\n   * ##### ready\n   * {@link Component~ReadyCallback}, optional\n   *\n   * A function to be called when the {@link Player} and {@link Tech} are ready.\n   *\n   * #### Return Value\n   *\n   * The `videojs()` function returns a {@link Player} instance.\n   *\n   * @namespace\n   *\n   * @borrows AudioTrack as AudioTrack\n   * @borrows Component.getComponent as getComponent\n   * @borrows module:computed-style~computedStyle as computedStyle\n   * @borrows module:events.on as on\n   * @borrows module:events.one as one\n   * @borrows module:events.off as off\n   * @borrows module:events.trigger as trigger\n   * @borrows EventTarget as EventTarget\n   * @borrows module:extend~extend as extend\n   * @borrows module:fn.bind as bind\n   * @borrows module:format-time.formatTime as formatTime\n   * @borrows module:format-time.resetFormatTime as resetFormatTime\n   * @borrows module:format-time.setFormatTime as setFormatTime\n   * @borrows module:merge-options.mergeOptions as mergeOptions\n   * @borrows module:middleware.use as use\n   * @borrows Player.players as players\n   * @borrows Plugin.registerPlugin as registerPlugin\n   * @borrows Plugin.deregisterPlugin as deregisterPlugin\n   * @borrows Plugin.getPlugins as getPlugins\n   * @borrows Plugin.getPlugin as getPlugin\n   * @borrows Plugin.getPluginVersion as getPluginVersion\n   * @borrows Tech.getTech as getTech\n   * @borrows Tech.registerTech as registerTech\n   * @borrows TextTrack as TextTrack\n   * @borrows module:time-ranges.createTimeRanges as createTimeRange\n   * @borrows module:time-ranges.createTimeRanges as createTimeRanges\n   * @borrows module:url.isCrossOrigin as isCrossOrigin\n   * @borrows module:url.parseUrl as parseUrl\n   * @borrows VideoTrack as VideoTrack\n   *\n   * @param  {string|Element} id\n   *         Video element or video element ID.\n   *\n   * @param  {Object} [options]\n   *         Options object for providing settings.\n   *         See: [Options Guide](https://docs.videojs.com/tutorial-options.html).\n   *\n   * @param  {Component~ReadyCallback} [ready]\n   *         A function to be called when the {@link Player} and {@link Tech} are\n   *         ready.\n   *\n   * @return {Player}\n   *         The `videojs()` function returns a {@link Player|Player} instance.\n   */\n\n\n  function videojs$1(id, options, ready) {\n    var player = videojs$1.getPlayer(id);\n\n    if (player) {\n      if (options) {\n        log.warn(\"Player \\\"\" + id + \"\\\" is already initialised. Options will not be applied.\");\n      }\n\n      if (ready) {\n        player.ready(ready);\n      }\n\n      return player;\n    }\n\n    var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;\n\n    if (!isEl(el)) {\n      throw new TypeError('The element or ID supplied is not valid. (videojs)');\n    } // document.body.contains(el) will only check if el is contained within that one document.\n    // This causes problems for elements in iframes.\n    // Instead, use the element's ownerDocument instead of the global document.\n    // This will make sure that the element is indeed in the dom of that document.\n    // Additionally, check that the document in question has a default view.\n    // If the document is no longer attached to the dom, the defaultView of the document will be null.\n\n\n    if (!el.ownerDocument.defaultView || !el.ownerDocument.body.contains(el)) {\n      log.warn('The element supplied is not included in the DOM');\n    }\n\n    options = options || {};\n    videojs$1.hooks('beforesetup').forEach(function (hookFunction) {\n      var opts = hookFunction(el, mergeOptions(options));\n\n      if (!isObject(opts) || Array.isArray(opts)) {\n        log.error('please return an object in beforesetup hooks');\n        return;\n      }\n\n      options = mergeOptions(options, opts);\n    }); // We get the current \"Player\" component here in case an integration has\n    // replaced it with a custom player.\n\n    var PlayerComponent = Component.getComponent('Player');\n    player = new PlayerComponent(el, options, ready);\n    videojs$1.hooks('setup').forEach(function (hookFunction) {\n      return hookFunction(player);\n    });\n    return player;\n  }\n  /**\n   * An Object that contains lifecycle hooks as keys which point to an array\n   * of functions that are run when a lifecycle is triggered\n   *\n   * @private\n   */\n\n\n  videojs$1.hooks_ = {};\n  /**\n   * Get a list of hooks for a specific lifecycle\n   *\n   * @param  {string} type\n   *         the lifecyle to get hooks from\n   *\n   * @param  {Function|Function[]} [fn]\n   *         Optionally add a hook (or hooks) to the lifecycle that your are getting.\n   *\n   * @return {Array}\n   *         an array of hooks, or an empty array if there are none.\n   */\n\n  videojs$1.hooks = function (type, fn) {\n    videojs$1.hooks_[type] = videojs$1.hooks_[type] || [];\n\n    if (fn) {\n      videojs$1.hooks_[type] = videojs$1.hooks_[type].concat(fn);\n    }\n\n    return videojs$1.hooks_[type];\n  };\n  /**\n   * Add a function hook to a specific videojs lifecycle.\n   *\n   * @param {string} type\n   *        the lifecycle to hook the function to.\n   *\n   * @param {Function|Function[]}\n   *        The function or array of functions to attach.\n   */\n\n\n  videojs$1.hook = function (type, fn) {\n    videojs$1.hooks(type, fn);\n  };\n  /**\n   * Add a function hook that will only run once to a specific videojs lifecycle.\n   *\n   * @param {string} type\n   *        the lifecycle to hook the function to.\n   *\n   * @param {Function|Function[]}\n   *        The function or array of functions to attach.\n   */\n\n\n  videojs$1.hookOnce = function (type, fn) {\n    videojs$1.hooks(type, [].concat(fn).map(function (original) {\n      var wrapper = function wrapper() {\n        videojs$1.removeHook(type, wrapper);\n        return original.apply(void 0, arguments);\n      };\n\n      return wrapper;\n    }));\n  };\n  /**\n   * Remove a hook from a specific videojs lifecycle.\n   *\n   * @param  {string} type\n   *         the lifecycle that the function hooked to\n   *\n   * @param  {Function} fn\n   *         The hooked function to remove\n   *\n   * @return {boolean}\n   *         The function that was removed or undef\n   */\n\n\n  videojs$1.removeHook = function (type, fn) {\n    var index = videojs$1.hooks(type).indexOf(fn);\n\n    if (index <= -1) {\n      return false;\n    }\n\n    videojs$1.hooks_[type] = videojs$1.hooks_[type].slice();\n    videojs$1.hooks_[type].splice(index, 1);\n    return true;\n  }; // Add default styles\n\n\n  if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {\n    var style = $('.vjs-styles-defaults');\n\n    if (!style) {\n      style = createStyleElement('vjs-styles-defaults');\n      var head = $('head');\n\n      if (head) {\n        head.insertBefore(style, head.firstChild);\n      }\n\n      setTextContent(style, \"\\n      .video-js {\\n        width: 300px;\\n        height: 150px;\\n      }\\n\\n      .vjs-fluid {\\n        padding-top: 56.25%\\n      }\\n    \");\n    }\n  } // Run Auto-load players\n  // You have to wait at least once in case this script is loaded after your\n  // video in the DOM (weird behavior only with minified version)\n\n\n  autoSetupTimeout(1, videojs$1);\n  /**\n   * Current Video.js version. Follows [semantic versioning](https://semver.org/).\n   *\n   * @type {string}\n   */\n\n  videojs$1.VERSION = version;\n  /**\n   * The global options object. These are the settings that take effect\n   * if no overrides are specified when the player is created.\n   *\n   * @type {Object}\n   */\n\n  videojs$1.options = Player.prototype.options_;\n  /**\n   * Get an object with the currently created players, keyed by player ID\n   *\n   * @return {Object}\n   *         The created players\n   */\n\n  videojs$1.getPlayers = function () {\n    return Player.players;\n  };\n  /**\n   * Get a single player based on an ID or DOM element.\n   *\n   * This is useful if you want to check if an element or ID has an associated\n   * Video.js player, but not create one if it doesn't.\n   *\n   * @param   {string|Element} id\n   *          An HTML element - `<video>`, `<audio>`, or `<video-js>` -\n   *          or a string matching the `id` of such an element.\n   *\n   * @return {Player|undefined}\n   *          A player instance or `undefined` if there is no player instance\n   *          matching the argument.\n   */\n\n\n  videojs$1.getPlayer = function (id) {\n    var players = Player.players;\n    var tag;\n\n    if (typeof id === 'string') {\n      var nId = normalizeId(id);\n      var player = players[nId];\n\n      if (player) {\n        return player;\n      }\n\n      tag = $('#' + nId);\n    } else {\n      tag = id;\n    }\n\n    if (isEl(tag)) {\n      var _tag = tag,\n          _player = _tag.player,\n          playerId = _tag.playerId; // Element may have a `player` property referring to an already created\n      // player instance. If so, return that.\n\n      if (_player || players[playerId]) {\n        return _player || players[playerId];\n      }\n    }\n  };\n  /**\n   * Returns an array of all current players.\n   *\n   * @return {Array}\n   *         An array of all players. The array will be in the order that\n   *         `Object.keys` provides, which could potentially vary between\n   *         JavaScript engines.\n   *\n   */\n\n\n  videojs$1.getAllPlayers = function () {\n    return (// Disposed players leave a key with a `null` value, so we need to make sure\n      // we filter those out.\n      Object.keys(Player.players).map(function (k) {\n        return Player.players[k];\n      }).filter(Boolean)\n    );\n  };\n\n  videojs$1.players = Player.players;\n  videojs$1.getComponent = Component.getComponent;\n  /**\n   * Register a component so it can referred to by name. Used when adding to other\n   * components, either through addChild `component.addChild('myComponent')` or through\n   * default children options  `{ children: ['myComponent'] }`.\n   *\n   * > NOTE: You could also just initialize the component before adding.\n   * `component.addChild(new MyComponent());`\n   *\n   * @param {string} name\n   *        The class name of the component\n   *\n   * @param {Component} comp\n   *        The component class\n   *\n   * @return {Component}\n   *         The newly registered component\n   */\n\n  videojs$1.registerComponent = function (name, comp) {\n    if (Tech.isTech(comp)) {\n      log.warn(\"The \" + name + \" tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)\");\n    }\n\n    Component.registerComponent.call(Component, name, comp);\n  };\n\n  videojs$1.getTech = Tech.getTech;\n  videojs$1.registerTech = Tech.registerTech;\n  videojs$1.use = use;\n  /**\n   * An object that can be returned by a middleware to signify\n   * that the middleware is being terminated.\n   *\n   * @type {object}\n   * @property {object} middleware.TERMINATOR\n   */\n\n  Object.defineProperty(videojs$1, 'middleware', {\n    value: {},\n    writeable: false,\n    enumerable: true\n  });\n  Object.defineProperty(videojs$1.middleware, 'TERMINATOR', {\n    value: TERMINATOR,\n    writeable: false,\n    enumerable: true\n  });\n  /**\n   * A reference to the {@link module:browser|browser utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:browser|browser}\n   */\n\n  videojs$1.browser = browser;\n  /**\n   * Use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED} instead; only\n   * included for backward-compatibility with 4.x.\n   *\n   * @deprecated Since version 5.0, use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED instead.\n   * @type {boolean}\n   */\n\n  videojs$1.TOUCH_ENABLED = TOUCH_ENABLED;\n  videojs$1.extend = extend;\n  videojs$1.mergeOptions = mergeOptions;\n  videojs$1.bind = bind;\n  videojs$1.registerPlugin = Plugin.registerPlugin;\n  videojs$1.deregisterPlugin = Plugin.deregisterPlugin;\n  /**\n   * Deprecated method to register a plugin with Video.js\n   *\n   * @deprecated videojs.plugin() is deprecated; use videojs.registerPlugin() instead\n   *\n   * @param {string} name\n   *        The plugin name\n   *\n   * @param {Plugin|Function} plugin\n   *         The plugin sub-class or function\n   */\n\n  videojs$1.plugin = function (name, plugin) {\n    log.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');\n    return Plugin.registerPlugin(name, plugin);\n  };\n\n  videojs$1.getPlugins = Plugin.getPlugins;\n  videojs$1.getPlugin = Plugin.getPlugin;\n  videojs$1.getPluginVersion = Plugin.getPluginVersion;\n  /**\n   * Adding languages so that they're available to all players.\n   * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`\n   *\n   * @param {string} code\n   *        The language code or dictionary property\n   *\n   * @param {Object} data\n   *        The data values to be translated\n   *\n   * @return {Object}\n   *         The resulting language dictionary object\n   */\n\n  videojs$1.addLanguage = function (code, data) {\n    var _mergeOptions;\n\n    code = ('' + code).toLowerCase();\n    videojs$1.options.languages = mergeOptions(videojs$1.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));\n    return videojs$1.options.languages[code];\n  };\n  /**\n   * A reference to the {@link module:log|log utility module} as an object.\n   *\n   * @type {Function}\n   * @see  {@link module:log|log}\n   */\n\n\n  videojs$1.log = log;\n  videojs$1.createLogger = createLogger$1;\n  videojs$1.createTimeRange = videojs$1.createTimeRanges = createTimeRanges;\n  videojs$1.formatTime = formatTime;\n  videojs$1.setFormatTime = setFormatTime;\n  videojs$1.resetFormatTime = resetFormatTime;\n  videojs$1.parseUrl = parseUrl;\n  videojs$1.isCrossOrigin = isCrossOrigin;\n  videojs$1.EventTarget = EventTarget;\n  videojs$1.on = on;\n  videojs$1.one = one;\n  videojs$1.off = off;\n  videojs$1.trigger = trigger;\n  /**\n   * A cross-browser XMLHttpRequest wrapper.\n   *\n   * @function\n   * @param    {Object} options\n   *           Settings for the request.\n   *\n   * @return   {XMLHttpRequest|XDomainRequest}\n   *           The request object.\n   *\n   * @see      https://github.com/Raynos/xhr\n   */\n\n  videojs$1.xhr = xhr;\n  videojs$1.TextTrack = TextTrack;\n  videojs$1.AudioTrack = AudioTrack;\n  videojs$1.VideoTrack = VideoTrack;\n  ['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {\n    videojs$1[k] = function () {\n      log.warn(\"videojs.\" + k + \"() is deprecated; use videojs.dom.\" + k + \"() instead\");\n      return Dom[k].apply(null, arguments);\n    };\n  });\n  videojs$1.computedStyle = computedStyle;\n  /**\n   * A reference to the {@link module:dom|DOM utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:dom|dom}\n   */\n\n  videojs$1.dom = Dom;\n  /**\n   * A reference to the {@link module:url|URL utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:url|url}\n   */\n\n  videojs$1.url = Url;\n  videojs$1.defineLazyProperty = defineLazyProperty;\n\n  var urlToolkit = createCommonjsModule(function (module, exports) {\n    // see https://tools.ietf.org/html/rfc1808\n\n    /* jshint ignore:start */\n    (function (root) {\n      /* jshint ignore:end */\n      var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n      var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n      var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n      var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n      var URLToolkit = {\n        // jshint ignore:line\n        // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n        // E.g\n        // With opts.alwaysNormalize = false (default, spec compliant)\n        // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n        // With opts.alwaysNormalize = true (not spec compliant)\n        // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n        buildAbsoluteURL: function buildAbsoluteURL(baseURL, relativeURL, opts) {\n          opts = opts || {}; // remove any remaining space and CRLF\n\n          baseURL = baseURL.trim();\n          relativeURL = relativeURL.trim();\n\n          if (!relativeURL) {\n            // 2a) If the embedded URL is entirely empty, it inherits the\n            // entire base URL (i.e., is set equal to the base URL)\n            // and we are done.\n            if (!opts.alwaysNormalize) {\n              return baseURL;\n            }\n\n            var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n\n            if (!basePartsForNormalise) {\n              throw new Error('Error trying to parse base URL.');\n            }\n\n            basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n            return URLToolkit.buildURLFromParts(basePartsForNormalise);\n          }\n\n          var relativeParts = URLToolkit.parseURL(relativeURL);\n\n          if (!relativeParts) {\n            throw new Error('Error trying to parse relative URL.');\n          }\n\n          if (relativeParts.scheme) {\n            // 2b) If the embedded URL starts with a scheme name, it is\n            // interpreted as an absolute URL and we are done.\n            if (!opts.alwaysNormalize) {\n              return relativeURL;\n            }\n\n            relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n            return URLToolkit.buildURLFromParts(relativeParts);\n          }\n\n          var baseParts = URLToolkit.parseURL(baseURL);\n\n          if (!baseParts) {\n            throw new Error('Error trying to parse base URL.');\n          }\n\n          if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n            // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n            // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n            var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n            baseParts.netLoc = pathParts[1];\n            baseParts.path = pathParts[2];\n          }\n\n          if (baseParts.netLoc && !baseParts.path) {\n            baseParts.path = '/';\n          }\n\n          var builtParts = {\n            // 2c) Otherwise, the embedded URL inherits the scheme of\n            // the base URL.\n            scheme: baseParts.scheme,\n            netLoc: relativeParts.netLoc,\n            path: null,\n            params: relativeParts.params,\n            query: relativeParts.query,\n            fragment: relativeParts.fragment\n          };\n\n          if (!relativeParts.netLoc) {\n            // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n            // Step 7.  Otherwise, the embedded URL inherits the <net_loc>\n            // (if any) of the base URL.\n            builtParts.netLoc = baseParts.netLoc; // 4) If the embedded URL path is preceded by a slash \"/\", the\n            // path is not relative and we skip to Step 7.\n\n            if (relativeParts.path[0] !== '/') {\n              if (!relativeParts.path) {\n                // 5) If the embedded URL path is empty (and not preceded by a\n                // slash), then the embedded URL inherits the base URL path\n                builtParts.path = baseParts.path; // 5a) if the embedded URL's <params> is non-empty, we skip to\n                // step 7; otherwise, it inherits the <params> of the base\n                // URL (if any) and\n\n                if (!relativeParts.params) {\n                  builtParts.params = baseParts.params; // 5b) if the embedded URL's <query> is non-empty, we skip to\n                  // step 7; otherwise, it inherits the <query> of the base\n                  // URL (if any) and we skip to step 7.\n\n                  if (!relativeParts.query) {\n                    builtParts.query = baseParts.query;\n                  }\n                }\n              } else {\n                // 6) The last segment of the base URL's path (anything\n                // following the rightmost slash \"/\", or the entire path if no\n                // slash is present) is removed and the embedded URL's path is\n                // appended in its place.\n                var baseURLPath = baseParts.path;\n                var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n                builtParts.path = URLToolkit.normalizePath(newPath);\n              }\n            }\n          }\n\n          if (builtParts.path === null) {\n            builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n          }\n\n          return URLToolkit.buildURLFromParts(builtParts);\n        },\n        parseURL: function parseURL(url) {\n          var parts = URL_REGEX.exec(url);\n\n          if (!parts) {\n            return null;\n          }\n\n          return {\n            scheme: parts[1] || '',\n            netLoc: parts[2] || '',\n            path: parts[3] || '',\n            params: parts[4] || '',\n            query: parts[5] || '',\n            fragment: parts[6] || ''\n          };\n        },\n        normalizePath: function normalizePath(path) {\n          // The following operations are\n          // then applied, in order, to the new path:\n          // 6a) All occurrences of \"./\", where \".\" is a complete path\n          // segment, are removed.\n          // 6b) If the path ends with \".\" as a complete path segment,\n          // that \".\" is removed.\n          path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, ''); // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n          // complete path segment not equal to \"..\", are removed.\n          // Removal of these path segments is performed iteratively,\n          // removing the leftmost matching pattern on each iteration,\n          // until no matching pattern remains.\n          // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n          // complete path segment not equal to \"..\", that\n          // \"<segment>/..\" is removed.\n\n          while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n\n\n          return path.split('').reverse().join('');\n        },\n        buildURLFromParts: function buildURLFromParts(parts) {\n          return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n        }\n      };\n      /* jshint ignore:start */\n\n      module.exports = URLToolkit;\n    })();\n    /* jshint ignore:end */\n\n  });\n\n  /*! @name m3u8-parser @version 4.4.0 @license Apache-2.0 */\n\n  function _extends() {\n    _extends = Object.assign || function (target) {\n      for (var i = 1; i < arguments.length; i++) {\n        var source = arguments[i];\n\n        for (var key in source) {\n          if (Object.prototype.hasOwnProperty.call(source, key)) {\n            target[key] = source[key];\n          }\n        }\n      }\n\n      return target;\n    };\n\n    return _extends.apply(this, arguments);\n  }\n\n  function _inheritsLoose$1(subClass, superClass) {\n    subClass.prototype = Object.create(superClass.prototype);\n    subClass.prototype.constructor = subClass;\n    subClass.__proto__ = superClass;\n  }\n\n  function _assertThisInitialized$1(self) {\n    if (self === void 0) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return self;\n  }\n  /**\n   * @file stream.js\n   */\n\n  /**\n   * A lightweight readable stream implementation that handles event dispatching.\n   *\n   * @class Stream\n   */\n\n\n  var Stream = /*#__PURE__*/function () {\n    function Stream() {\n      this.listeners = {};\n    }\n    /**\n     * Add a listener for a specified event type.\n     *\n     * @param {string} type the event name\n     * @param {Function} listener the callback to be invoked when an event of\n     * the specified type occurs\n     */\n\n\n    var _proto = Stream.prototype;\n\n    _proto.on = function on(type, listener) {\n      if (!this.listeners[type]) {\n        this.listeners[type] = [];\n      }\n\n      this.listeners[type].push(listener);\n    }\n    /**\n     * Remove a listener for a specified event type.\n     *\n     * @param {string} type the event name\n     * @param {Function} listener  a function previously registered for this\n     * type of event through `on`\n     * @return {boolean} if we could turn it off or not\n     */\n    ;\n\n    _proto.off = function off(type, listener) {\n      if (!this.listeners[type]) {\n        return false;\n      }\n\n      var index = this.listeners[type].indexOf(listener);\n      this.listeners[type].splice(index, 1);\n      return index > -1;\n    }\n    /**\n     * Trigger an event of the specified type on this stream. Any additional\n     * arguments to this function are passed as parameters to event listeners.\n     *\n     * @param {string} type the event name\n     */\n    ;\n\n    _proto.trigger = function trigger(type) {\n      var callbacks = this.listeners[type];\n      var i;\n      var length;\n      var args;\n\n      if (!callbacks) {\n        return;\n      } // Slicing the arguments on every invocation of this method\n      // can add a significant amount of overhead. Avoid the\n      // intermediate object creation for the common case of a\n      // single callback argument\n\n\n      if (arguments.length === 2) {\n        length = callbacks.length;\n\n        for (i = 0; i < length; ++i) {\n          callbacks[i].call(this, arguments[1]);\n        }\n      } else {\n        args = Array.prototype.slice.call(arguments, 1);\n        length = callbacks.length;\n\n        for (i = 0; i < length; ++i) {\n          callbacks[i].apply(this, args);\n        }\n      }\n    }\n    /**\n     * Destroys the stream and cleans up.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.listeners = {};\n    }\n    /**\n     * Forwards all `data` events on this stream to the destination stream. The\n     * destination stream should provide a method `push` to receive the data\n     * events as they arrive.\n     *\n     * @param {Stream} destination the stream that will receive all `data` events\n     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n     */\n    ;\n\n    _proto.pipe = function pipe(destination) {\n      this.on('data', function (data) {\n        destination.push(data);\n      });\n    };\n\n    return Stream;\n  }();\n  /**\n   * A stream that buffers string input and generates a `data` event for each\n   * line.\n   *\n   * @class LineStream\n   * @extends Stream\n   */\n\n\n  var LineStream = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(LineStream, _Stream);\n\n    function LineStream() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.buffer = '';\n      return _this;\n    }\n    /**\n     * Add new data to be parsed.\n     *\n     * @param {string} data the text to process\n     */\n\n\n    var _proto = LineStream.prototype;\n\n    _proto.push = function push(data) {\n      var nextNewline;\n      this.buffer += data;\n      nextNewline = this.buffer.indexOf('\\n');\n\n      for (; nextNewline > -1; nextNewline = this.buffer.indexOf('\\n')) {\n        this.trigger('data', this.buffer.substring(0, nextNewline));\n        this.buffer = this.buffer.substring(nextNewline + 1);\n      }\n    };\n\n    return LineStream;\n  }(Stream);\n  /**\n   * \"forgiving\" attribute list psuedo-grammar:\n   * attributes -> keyvalue (',' keyvalue)*\n   * keyvalue   -> key '=' value\n   * key        -> [^=]*\n   * value      -> '\"' [^\"]* '\"' | [^,]*\n   */\n\n\n  var attributeSeparator = function attributeSeparator() {\n    var key = '[^=]*';\n    var value = '\"[^\"]*\"|[^,]*';\n    var keyvalue = '(?:' + key + ')=(?:' + value + ')';\n    return new RegExp('(?:^|,)(' + keyvalue + ')');\n  };\n  /**\n   * Parse attributes from a line given the separator\n   *\n   * @param {string} attributes the attribute line to parse\n   */\n\n\n  var parseAttributes = function parseAttributes(attributes) {\n    // split the string using attributes as the separator\n    var attrs = attributes.split(attributeSeparator());\n    var result = {};\n    var i = attrs.length;\n    var attr;\n\n    while (i--) {\n      // filter out unmatched portions of the string\n      if (attrs[i] === '') {\n        continue;\n      } // split the key and value\n\n\n      attr = /([^=]*)=(.*)/.exec(attrs[i]).slice(1); // trim whitespace and remove optional quotes around the value\n\n      attr[0] = attr[0].replace(/^\\s+|\\s+$/g, '');\n      attr[1] = attr[1].replace(/^\\s+|\\s+$/g, '');\n      attr[1] = attr[1].replace(/^['\"](.*)['\"]$/g, '$1');\n      result[attr[0]] = attr[1];\n    }\n\n    return result;\n  };\n  /**\n   * A line-level M3U8 parser event stream. It expects to receive input one\n   * line at a time and performs a context-free parse of its contents. A stream\n   * interpretation of a manifest can be useful if the manifest is expected to\n   * be too large to fit comfortably into memory or the entirety of the input\n   * is not immediately available. Otherwise, it's probably much easier to work\n   * with a regular `Parser` object.\n   *\n   * Produces `data` events with an object that captures the parser's\n   * interpretation of the input. That object has a property `tag` that is one\n   * of `uri`, `comment`, or `tag`. URIs only have a single additional\n   * property, `line`, which captures the entirety of the input without\n   * interpretation. Comments similarly have a single additional property\n   * `text` which is the input without the leading `#`.\n   *\n   * Tags always have a property `tagType` which is the lower-cased version of\n   * the M3U8 directive without the `#EXT` or `#EXT-X-` prefix. For instance,\n   * `#EXT-X-MEDIA-SEQUENCE` becomes `media-sequence` when parsed. Unrecognized\n   * tags are given the tag type `unknown` and a single additional property\n   * `data` with the remainder of the input.\n   *\n   * @class ParseStream\n   * @extends Stream\n   */\n\n\n  var ParseStream = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(ParseStream, _Stream);\n\n    function ParseStream() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.customParsers = [];\n      _this.tagMappers = [];\n      return _this;\n    }\n    /**\n     * Parses an additional line of input.\n     *\n     * @param {string} line a single line of an M3U8 file to parse\n     */\n\n\n    var _proto = ParseStream.prototype;\n\n    _proto.push = function push(line) {\n      var _this2 = this;\n\n      var match;\n      var event; // strip whitespace\n\n      line = line.trim();\n\n      if (line.length === 0) {\n        // ignore empty lines\n        return;\n      } // URIs\n\n\n      if (line[0] !== '#') {\n        this.trigger('data', {\n          type: 'uri',\n          uri: line\n        });\n        return;\n      } // map tags\n\n\n      var newLines = this.tagMappers.reduce(function (acc, mapper) {\n        var mappedLine = mapper(line); // skip if unchanged\n\n        if (mappedLine === line) {\n          return acc;\n        }\n\n        return acc.concat([mappedLine]);\n      }, [line]);\n      newLines.forEach(function (newLine) {\n        for (var i = 0; i < _this2.customParsers.length; i++) {\n          if (_this2.customParsers[i].call(_this2, newLine)) {\n            return;\n          }\n        } // Comments\n\n\n        if (newLine.indexOf('#EXT') !== 0) {\n          _this2.trigger('data', {\n            type: 'comment',\n            text: newLine.slice(1)\n          });\n\n          return;\n        } // strip off any carriage returns here so the regex matching\n        // doesn't have to account for them.\n\n\n        newLine = newLine.replace('\\r', ''); // Tags\n\n        match = /^#EXTM3U/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'm3u'\n          });\n\n          return;\n        }\n\n        match = /^#EXTINF:?([0-9\\.]*)?,?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'inf'\n          };\n\n          if (match[1]) {\n            event.duration = parseFloat(match[1]);\n          }\n\n          if (match[2]) {\n            event.title = match[2];\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'targetduration'\n          };\n\n          if (match[1]) {\n            event.duration = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#ZEN-TOTAL-DURATION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'totalduration'\n          };\n\n          if (match[1]) {\n            event.duration = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-VERSION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'version'\n          };\n\n          if (match[1]) {\n            event.version = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MEDIA-SEQUENCE:?(\\-?[0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'media-sequence'\n          };\n\n          if (match[1]) {\n            event.number = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-DISCONTINUITY-SEQUENCE:?(\\-?[0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'discontinuity-sequence'\n          };\n\n          if (match[1]) {\n            event.number = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-PLAYLIST-TYPE:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'playlist-type'\n          };\n\n          if (match[1]) {\n            event.playlistType = match[1];\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-BYTERANGE:?([0-9.]*)?@?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'byterange'\n          };\n\n          if (match[1]) {\n            event.length = parseInt(match[1], 10);\n          }\n\n          if (match[2]) {\n            event.offset = parseInt(match[2], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-ALLOW-CACHE:?(YES|NO)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'allow-cache'\n          };\n\n          if (match[1]) {\n            event.allowed = !/NO/.test(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MAP:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'map'\n          };\n\n          if (match[1]) {\n            var attributes = parseAttributes(match[1]);\n\n            if (attributes.URI) {\n              event.uri = attributes.URI;\n            }\n\n            if (attributes.BYTERANGE) {\n              var _attributes$BYTERANGE = attributes.BYTERANGE.split('@'),\n                  length = _attributes$BYTERANGE[0],\n                  offset = _attributes$BYTERANGE[1];\n\n              event.byterange = {};\n\n              if (length) {\n                event.byterange.length = parseInt(length, 10);\n              }\n\n              if (offset) {\n                event.byterange.offset = parseInt(offset, 10);\n              }\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-STREAM-INF:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'stream-inf'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n\n            if (event.attributes.RESOLUTION) {\n              var split = event.attributes.RESOLUTION.split('x');\n              var resolution = {};\n\n              if (split[0]) {\n                resolution.width = parseInt(split[0], 10);\n              }\n\n              if (split[1]) {\n                resolution.height = parseInt(split[1], 10);\n              }\n\n              event.attributes.RESOLUTION = resolution;\n            }\n\n            if (event.attributes.BANDWIDTH) {\n              event.attributes.BANDWIDTH = parseInt(event.attributes.BANDWIDTH, 10);\n            }\n\n            if (event.attributes['PROGRAM-ID']) {\n              event.attributes['PROGRAM-ID'] = parseInt(event.attributes['PROGRAM-ID'], 10);\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MEDIA:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'media'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-ENDLIST/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'endlist'\n          });\n\n          return;\n        }\n\n        match = /^#EXT-X-DISCONTINUITY/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'discontinuity'\n          });\n\n          return;\n        }\n\n        match = /^#EXT-X-PROGRAM-DATE-TIME:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'program-date-time'\n          };\n\n          if (match[1]) {\n            event.dateTimeString = match[1];\n            event.dateTimeObject = new Date(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-KEY:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'key'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]); // parse the IV string into a Uint32Array\n\n            if (event.attributes.IV) {\n              if (event.attributes.IV.substring(0, 2).toLowerCase() === '0x') {\n                event.attributes.IV = event.attributes.IV.substring(2);\n              }\n\n              event.attributes.IV = event.attributes.IV.match(/.{8}/g);\n              event.attributes.IV[0] = parseInt(event.attributes.IV[0], 16);\n              event.attributes.IV[1] = parseInt(event.attributes.IV[1], 16);\n              event.attributes.IV[2] = parseInt(event.attributes.IV[2], 16);\n              event.attributes.IV[3] = parseInt(event.attributes.IV[3], 16);\n              event.attributes.IV = new Uint32Array(event.attributes.IV);\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-START:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'start'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n            event.attributes['TIME-OFFSET'] = parseFloat(event.attributes['TIME-OFFSET']);\n            event.attributes.PRECISE = /YES/.test(event.attributes.PRECISE);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-OUT-CONT:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-out-cont'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-OUT:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-out'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-IN:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-in'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        } // unknown tag type\n\n\n        _this2.trigger('data', {\n          type: 'tag',\n          data: newLine.slice(4)\n        });\n      });\n    }\n    /**\n     * Add a parser for custom headers\n     *\n     * @param {Object}   options              a map of options for the added parser\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {string}   options.customType   the custom type to register to the output\n     * @param {Function} [options.dataParser] function to parse the line into an object\n     * @param {boolean}  [options.segment]    should tag data be attached to the segment object\n     */\n    ;\n\n    _proto.addParser = function addParser(_ref) {\n      var _this3 = this;\n\n      var expression = _ref.expression,\n          customType = _ref.customType,\n          dataParser = _ref.dataParser,\n          segment = _ref.segment;\n\n      if (typeof dataParser !== 'function') {\n        dataParser = function dataParser(line) {\n          return line;\n        };\n      }\n\n      this.customParsers.push(function (line) {\n        var match = expression.exec(line);\n\n        if (match) {\n          _this3.trigger('data', {\n            type: 'custom',\n            data: dataParser(line),\n            customType: customType,\n            segment: segment\n          });\n\n          return true;\n        }\n      });\n    }\n    /**\n     * Add a custom header mapper\n     *\n     * @param {Object}   options\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {Function} options.map          function to translate tag into a different tag\n     */\n    ;\n\n    _proto.addTagMapper = function addTagMapper(_ref2) {\n      var expression = _ref2.expression,\n          map = _ref2.map;\n\n      var mapFn = function mapFn(line) {\n        if (expression.test(line)) {\n          return map(line);\n        }\n\n        return line;\n      };\n\n      this.tagMappers.push(mapFn);\n    };\n\n    return ParseStream;\n  }(Stream);\n\n  function decodeB64ToUint8Array(b64Text) {\n    var decodedString = window$3.atob(b64Text || '');\n    var array = new Uint8Array(decodedString.length);\n\n    for (var i = 0; i < decodedString.length; i++) {\n      array[i] = decodedString.charCodeAt(i);\n    }\n\n    return array;\n  }\n  /**\n   * A parser for M3U8 files. The current interpretation of the input is\n   * exposed as a property `manifest` on parser objects. It's just two lines to\n   * create and parse a manifest once you have the contents available as a string:\n   *\n   * ```js\n   * var parser = new m3u8.Parser();\n   * parser.push(xhr.responseText);\n   * ```\n   *\n   * New input can later be applied to update the manifest object by calling\n   * `push` again.\n   *\n   * The parser attempts to create a usable manifest object even if the\n   * underlying input is somewhat nonsensical. It emits `info` and `warning`\n   * events during the parse if it encounters input that seems invalid or\n   * requires some property of the manifest object to be defaulted.\n   *\n   * @class Parser\n   * @extends Stream\n   */\n\n\n  var Parser = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(Parser, _Stream);\n\n    function Parser() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.lineStream = new LineStream();\n      _this.parseStream = new ParseStream();\n\n      _this.lineStream.pipe(_this.parseStream);\n      /* eslint-disable consistent-this */\n\n\n      var self = _assertThisInitialized$1(_this);\n      /* eslint-enable consistent-this */\n\n\n      var uris = [];\n      var currentUri = {}; // if specified, the active EXT-X-MAP definition\n\n      var currentMap; // if specified, the active decryption key\n\n      var _key;\n\n      var noop = function noop() {};\n\n      var defaultMediaGroups = {\n        'AUDIO': {},\n        'VIDEO': {},\n        'CLOSED-CAPTIONS': {},\n        'SUBTITLES': {}\n      }; // This is the Widevine UUID from DASH IF IOP. The same exact string is\n      // used in MPDs with Widevine encrypted streams.\n\n      var widevineUuid = 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed'; // group segments into numbered timelines delineated by discontinuities\n\n      var currentTimeline = 0; // the manifest is empty until the parse stream begins delivering data\n\n      _this.manifest = {\n        allowCache: true,\n        discontinuityStarts: [],\n        segments: []\n      }; // update the manifest with the m3u8 entry from the parse stream\n\n      _this.parseStream.on('data', function (entry) {\n        var mediaGroup;\n        var rendition;\n        ({\n          tag: function tag() {\n            // switch based on the tag type\n            (({\n              'allow-cache': function allowCache() {\n                this.manifest.allowCache = entry.allowed;\n\n                if (!('allowed' in entry)) {\n                  this.trigger('info', {\n                    message: 'defaulting allowCache to YES'\n                  });\n                  this.manifest.allowCache = true;\n                }\n              },\n              byterange: function byterange() {\n                var byterange = {};\n\n                if ('length' in entry) {\n                  currentUri.byterange = byterange;\n                  byterange.length = entry.length;\n\n                  if (!('offset' in entry)) {\n                    this.trigger('info', {\n                      message: 'defaulting offset to zero'\n                    });\n                    entry.offset = 0;\n                  }\n                }\n\n                if ('offset' in entry) {\n                  currentUri.byterange = byterange;\n                  byterange.offset = entry.offset;\n                }\n              },\n              endlist: function endlist() {\n                this.manifest.endList = true;\n              },\n              inf: function inf() {\n                if (!('mediaSequence' in this.manifest)) {\n                  this.manifest.mediaSequence = 0;\n                  this.trigger('info', {\n                    message: 'defaulting media sequence to zero'\n                  });\n                }\n\n                if (!('discontinuitySequence' in this.manifest)) {\n                  this.manifest.discontinuitySequence = 0;\n                  this.trigger('info', {\n                    message: 'defaulting discontinuity sequence to zero'\n                  });\n                }\n\n                if (entry.duration > 0) {\n                  currentUri.duration = entry.duration;\n                }\n\n                if (entry.duration === 0) {\n                  currentUri.duration = 0.01;\n                  this.trigger('info', {\n                    message: 'updating zero segment duration to a small value'\n                  });\n                }\n\n                this.manifest.segments = uris;\n              },\n              key: function key() {\n                if (!entry.attributes) {\n                  this.trigger('warn', {\n                    message: 'ignoring key declaration without attribute list'\n                  });\n                  return;\n                } // clear the active encryption key\n\n\n                if (entry.attributes.METHOD === 'NONE') {\n                  _key = null;\n                  return;\n                }\n\n                if (!entry.attributes.URI) {\n                  this.trigger('warn', {\n                    message: 'ignoring key declaration without URI'\n                  });\n                  return;\n                } // check if the content is encrypted for Widevine\n                // Widevine/HLS spec: https://storage.googleapis.com/wvdocs/Widevine_DRM_HLS.pdf\n\n\n                if (entry.attributes.KEYFORMAT === widevineUuid) {\n                  var VALID_METHODS = ['SAMPLE-AES', 'SAMPLE-AES-CTR', 'SAMPLE-AES-CENC'];\n\n                  if (VALID_METHODS.indexOf(entry.attributes.METHOD) === -1) {\n                    this.trigger('warn', {\n                      message: 'invalid key method provided for Widevine'\n                    });\n                    return;\n                  }\n\n                  if (entry.attributes.METHOD === 'SAMPLE-AES-CENC') {\n                    this.trigger('warn', {\n                      message: 'SAMPLE-AES-CENC is deprecated, please use SAMPLE-AES-CTR instead'\n                    });\n                  }\n\n                  if (entry.attributes.URI.substring(0, 23) !== 'data:text/plain;base64,') {\n                    this.trigger('warn', {\n                      message: 'invalid key URI provided for Widevine'\n                    });\n                    return;\n                  }\n\n                  if (!(entry.attributes.KEYID && entry.attributes.KEYID.substring(0, 2) === '0x')) {\n                    this.trigger('warn', {\n                      message: 'invalid key ID provided for Widevine'\n                    });\n                    return;\n                  } // if Widevine key attributes are valid, store them as `contentProtection`\n                  // on the manifest to emulate Widevine tag structure in a DASH mpd\n\n\n                  this.manifest.contentProtection = {\n                    'com.widevine.alpha': {\n                      attributes: {\n                        schemeIdUri: entry.attributes.KEYFORMAT,\n                        // remove '0x' from the key id string\n                        keyId: entry.attributes.KEYID.substring(2)\n                      },\n                      // decode the base64-encoded PSSH box\n                      pssh: decodeB64ToUint8Array(entry.attributes.URI.split(',')[1])\n                    }\n                  };\n                  return;\n                }\n\n                if (!entry.attributes.METHOD) {\n                  this.trigger('warn', {\n                    message: 'defaulting key method to AES-128'\n                  });\n                } // setup an encryption key for upcoming segments\n\n\n                _key = {\n                  method: entry.attributes.METHOD || 'AES-128',\n                  uri: entry.attributes.URI\n                };\n\n                if (typeof entry.attributes.IV !== 'undefined') {\n                  _key.iv = entry.attributes.IV;\n                }\n              },\n              'media-sequence': function mediaSequence() {\n                if (!isFinite(entry.number)) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid media sequence: ' + entry.number\n                  });\n                  return;\n                }\n\n                this.manifest.mediaSequence = entry.number;\n              },\n              'discontinuity-sequence': function discontinuitySequence() {\n                if (!isFinite(entry.number)) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid discontinuity sequence: ' + entry.number\n                  });\n                  return;\n                }\n\n                this.manifest.discontinuitySequence = entry.number;\n                currentTimeline = entry.number;\n              },\n              'playlist-type': function playlistType() {\n                if (!/VOD|EVENT/.test(entry.playlistType)) {\n                  this.trigger('warn', {\n                    message: 'ignoring unknown playlist type: ' + entry.playlist\n                  });\n                  return;\n                }\n\n                this.manifest.playlistType = entry.playlistType;\n              },\n              map: function map() {\n                currentMap = {};\n\n                if (entry.uri) {\n                  currentMap.uri = entry.uri;\n                }\n\n                if (entry.byterange) {\n                  currentMap.byterange = entry.byterange;\n                }\n              },\n              'stream-inf': function streamInf() {\n                this.manifest.playlists = uris;\n                this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;\n\n                if (!entry.attributes) {\n                  this.trigger('warn', {\n                    message: 'ignoring empty stream-inf attributes'\n                  });\n                  return;\n                }\n\n                if (!currentUri.attributes) {\n                  currentUri.attributes = {};\n                }\n\n                _extends(currentUri.attributes, entry.attributes);\n              },\n              media: function media() {\n                this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;\n\n                if (!(entry.attributes && entry.attributes.TYPE && entry.attributes['GROUP-ID'] && entry.attributes.NAME)) {\n                  this.trigger('warn', {\n                    message: 'ignoring incomplete or missing media group'\n                  });\n                  return;\n                } // find the media group, creating defaults as necessary\n\n\n                var mediaGroupType = this.manifest.mediaGroups[entry.attributes.TYPE];\n                mediaGroupType[entry.attributes['GROUP-ID']] = mediaGroupType[entry.attributes['GROUP-ID']] || {};\n                mediaGroup = mediaGroupType[entry.attributes['GROUP-ID']]; // collect the rendition metadata\n\n                rendition = {\n                  \"default\": /yes/i.test(entry.attributes.DEFAULT)\n                };\n\n                if (rendition[\"default\"]) {\n                  rendition.autoselect = true;\n                } else {\n                  rendition.autoselect = /yes/i.test(entry.attributes.AUTOSELECT);\n                }\n\n                if (entry.attributes.LANGUAGE) {\n                  rendition.language = entry.attributes.LANGUAGE;\n                }\n\n                if (entry.attributes.URI) {\n                  rendition.uri = entry.attributes.URI;\n                }\n\n                if (entry.attributes['INSTREAM-ID']) {\n                  rendition.instreamId = entry.attributes['INSTREAM-ID'];\n                }\n\n                if (entry.attributes.CHARACTERISTICS) {\n                  rendition.characteristics = entry.attributes.CHARACTERISTICS;\n                }\n\n                if (entry.attributes.FORCED) {\n                  rendition.forced = /yes/i.test(entry.attributes.FORCED);\n                } // insert the new rendition\n\n\n                mediaGroup[entry.attributes.NAME] = rendition;\n              },\n              discontinuity: function discontinuity() {\n                currentTimeline += 1;\n                currentUri.discontinuity = true;\n                this.manifest.discontinuityStarts.push(uris.length);\n              },\n              'program-date-time': function programDateTime() {\n                if (typeof this.manifest.dateTimeString === 'undefined') {\n                  // PROGRAM-DATE-TIME is a media-segment tag, but for backwards\n                  // compatibility, we add the first occurence of the PROGRAM-DATE-TIME tag\n                  // to the manifest object\n                  // TODO: Consider removing this in future major version\n                  this.manifest.dateTimeString = entry.dateTimeString;\n                  this.manifest.dateTimeObject = entry.dateTimeObject;\n                }\n\n                currentUri.dateTimeString = entry.dateTimeString;\n                currentUri.dateTimeObject = entry.dateTimeObject;\n              },\n              targetduration: function targetduration() {\n                if (!isFinite(entry.duration) || entry.duration < 0) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid target duration: ' + entry.duration\n                  });\n                  return;\n                }\n\n                this.manifest.targetDuration = entry.duration;\n              },\n              totalduration: function totalduration() {\n                if (!isFinite(entry.duration) || entry.duration < 0) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid total duration: ' + entry.duration\n                  });\n                  return;\n                }\n\n                this.manifest.totalDuration = entry.duration;\n              },\n              start: function start() {\n                if (!entry.attributes || isNaN(entry.attributes['TIME-OFFSET'])) {\n                  this.trigger('warn', {\n                    message: 'ignoring start declaration without appropriate attribute list'\n                  });\n                  return;\n                }\n\n                this.manifest.start = {\n                  timeOffset: entry.attributes['TIME-OFFSET'],\n                  precise: entry.attributes.PRECISE\n                };\n              },\n              'cue-out': function cueOut() {\n                currentUri.cueOut = entry.data;\n              },\n              'cue-out-cont': function cueOutCont() {\n                currentUri.cueOutCont = entry.data;\n              },\n              'cue-in': function cueIn() {\n                currentUri.cueIn = entry.data;\n              }\n            })[entry.tagType] || noop).call(self);\n          },\n          uri: function uri() {\n            currentUri.uri = entry.uri;\n            uris.push(currentUri); // if no explicit duration was declared, use the target duration\n\n            if (this.manifest.targetDuration && !('duration' in currentUri)) {\n              this.trigger('warn', {\n                message: 'defaulting segment duration to the target duration'\n              });\n              currentUri.duration = this.manifest.targetDuration;\n            } // annotate with encryption information, if necessary\n\n\n            if (_key) {\n              currentUri.key = _key;\n            }\n\n            currentUri.timeline = currentTimeline; // annotate with initialization segment information, if necessary\n\n            if (currentMap) {\n              currentUri.map = currentMap;\n            } // prepare for the next URI\n\n\n            currentUri = {};\n          },\n          comment: function comment() {// comments are not important for playback\n          },\n          custom: function custom() {\n            // if this is segment-level data attach the output to the segment\n            if (entry.segment) {\n              currentUri.custom = currentUri.custom || {};\n              currentUri.custom[entry.customType] = entry.data; // if this is manifest-level data attach to the top level manifest object\n            } else {\n              this.manifest.custom = this.manifest.custom || {};\n              this.manifest.custom[entry.customType] = entry.data;\n            }\n          }\n        })[entry.type].call(self);\n      });\n\n      return _this;\n    }\n    /**\n     * Parse the input string and update the manifest object.\n     *\n     * @param {string} chunk a potentially incomplete portion of the manifest\n     */\n\n\n    var _proto = Parser.prototype;\n\n    _proto.push = function push(chunk) {\n      this.lineStream.push(chunk);\n    }\n    /**\n     * Flush any remaining input. This can be handy if the last line of an M3U8\n     * manifest did not contain a trailing newline but the file has been\n     * completely received.\n     */\n    ;\n\n    _proto.end = function end() {\n      // flush any buffered input\n      this.lineStream.push('\\n');\n    }\n    /**\n     * Add an additional parser for non-standard tags\n     *\n     * @param {Object}   options              a map of options for the added parser\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {string}   options.type         the type to register to the output\n     * @param {Function} [options.dataParser] function to parse the line into an object\n     * @param {boolean}  [options.segment]    should tag data be attached to the segment object\n     */\n    ;\n\n    _proto.addParser = function addParser(options) {\n      this.parseStream.addParser(options);\n    }\n    /**\n     * Add a custom header mapper\n     *\n     * @param {Object}   options\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {Function} options.map          function to translate tag into a different tag\n     */\n    ;\n\n    _proto.addTagMapper = function addTagMapper(options) {\n      this.parseStream.addTagMapper(options);\n    };\n\n    return Parser;\n  }(Stream);\n\n  function _interopDefault(ex) {\n    return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n  }\n\n  var URLToolkit = _interopDefault(urlToolkit);\n\n  var window$1 = _interopDefault(window$3);\n\n  var resolveUrl = function resolveUrl(baseUrl, relativeUrl) {\n    // return early if we don't need to resolve\n    if (/^[a-z]+:/i.test(relativeUrl)) {\n      return relativeUrl;\n    } // if the base URL is relative then combine with the current location\n\n\n    if (!/\\/\\//i.test(baseUrl)) {\n      baseUrl = URLToolkit.buildAbsoluteURL(window$1.location && window$1.location.href || '', baseUrl);\n    }\n\n    return URLToolkit.buildAbsoluteURL(baseUrl, relativeUrl);\n  };\n\n  var resolveUrl_1 = resolveUrl;\n\n  function _interopDefault$1(ex) {\n    return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n  }\n\n  var window$2 = _interopDefault$1(window$3);\n\n  var atob = function atob(s) {\n    return window$2.atob ? window$2.atob(s) : Buffer.from(s, 'base64').toString('binary');\n  };\n\n  function decodeB64ToUint8Array$1(b64Text) {\n    var decodedString = atob(b64Text);\n    var array = new Uint8Array(decodedString.length);\n\n    for (var i = 0; i < decodedString.length; i++) {\n      array[i] = decodedString.charCodeAt(i);\n    }\n\n    return array;\n  }\n\n  var decodeB64ToUint8Array_1 = decodeB64ToUint8Array$1;\n\n  //[4]   \tNameStartChar\t   ::=   \t\":\" | [A-Z] | \"_\" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]\n  //[4a]   \tNameChar\t   ::=   \tNameStartChar | \"-\" | \".\" | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]\n  //[5]   \tName\t   ::=   \tNameStartChar (NameChar)*\n  var nameStartChar = /[A-Z_a-z\\xC0-\\xD6\\xD8-\\xF6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD]/; //\\u10000-\\uEFFFF\n\n  var nameChar = new RegExp(\"[\\\\-\\\\.0-9\" + nameStartChar.source.slice(1, -1) + \"\\\\u00B7\\\\u0300-\\\\u036F\\\\u203F-\\\\u2040]\");\n  var tagNamePattern = new RegExp('^' + nameStartChar.source + nameChar.source + '*(?:\\:' + nameStartChar.source + nameChar.source + '*)?$'); //var tagNamePattern = /^[a-zA-Z_][\\w\\-\\.]*(?:\\:[a-zA-Z_][\\w\\-\\.]*)?$/\n  //var handlers = 'resolveEntity,getExternalSubset,characters,endDocument,endElement,endPrefixMapping,ignorableWhitespace,processingInstruction,setDocumentLocator,skippedEntity,startDocument,startElement,startPrefixMapping,notationDecl,unparsedEntityDecl,error,fatalError,warning,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,comment,endCDATA,endDTD,endEntity,startCDATA,startDTD,startEntity'.split(',')\n  //S_TAG,\tS_ATTR,\tS_EQ,\tS_ATTR_NOQUOT_VALUE\n  //S_ATTR_SPACE,\tS_ATTR_END,\tS_TAG_SPACE, S_TAG_CLOSE\n\n  var S_TAG = 0; //tag name offerring\n\n  var S_ATTR = 1; //attr name offerring\n\n  var S_ATTR_SPACE = 2; //attr name end and space offer\n\n  var S_EQ = 3; //=space?\n\n  var S_ATTR_NOQUOT_VALUE = 4; //attr value(no quot value only)\n\n  var S_ATTR_END = 5; //attr value end and no space(quot end)\n\n  var S_TAG_SPACE = 6; //(attr value end || tag end ) && (space offer)\n\n  var S_TAG_CLOSE = 7; //closed el<el />\n\n  function XMLReader() {}\n\n  XMLReader.prototype = {\n    parse: function parse(source, defaultNSMap, entityMap) {\n      var domBuilder = this.domBuilder;\n      domBuilder.startDocument();\n\n      _copy(defaultNSMap, defaultNSMap = {});\n\n      _parse(source, defaultNSMap, entityMap, domBuilder, this.errorHandler);\n\n      domBuilder.endDocument();\n    }\n  };\n\n  function _parse(source, defaultNSMapCopy, entityMap, domBuilder, errorHandler) {\n    function fixedFromCharCode(code) {\n      // String.prototype.fromCharCode does not supports\n      // > 2 bytes unicode chars directly\n      if (code > 0xffff) {\n        code -= 0x10000;\n        var surrogate1 = 0xd800 + (code >> 10),\n            surrogate2 = 0xdc00 + (code & 0x3ff);\n        return String.fromCharCode(surrogate1, surrogate2);\n      } else {\n        return String.fromCharCode(code);\n      }\n    }\n\n    function entityReplacer(a) {\n      var k = a.slice(1, -1);\n\n      if (k in entityMap) {\n        return entityMap[k];\n      } else if (k.charAt(0) === '#') {\n        return fixedFromCharCode(parseInt(k.substr(1).replace('x', '0x')));\n      } else {\n        errorHandler.error('entity not found:' + a);\n        return a;\n      }\n    }\n\n    function appendText(end) {\n      //has some bugs\n      if (end > start) {\n        var xt = source.substring(start, end).replace(/&#?\\w+;/g, entityReplacer);\n        locator && position(start);\n        domBuilder.characters(xt, 0, end - start);\n        start = end;\n      }\n    }\n\n    function position(p, m) {\n      while (p >= lineEnd && (m = linePattern.exec(source))) {\n        lineStart = m.index;\n        lineEnd = lineStart + m[0].length;\n        locator.lineNumber++; //console.log('line++:',locator,startPos,endPos)\n      }\n\n      locator.columnNumber = p - lineStart + 1;\n    }\n\n    var lineStart = 0;\n    var lineEnd = 0;\n    var linePattern = /.*(?:\\r\\n?|\\n)|.*$/g;\n    var locator = domBuilder.locator;\n    var parseStack = [{\n      currentNSMap: defaultNSMapCopy\n    }];\n    var closeMap = {};\n    var start = 0;\n\n    while (true) {\n      try {\n        var tagStart = source.indexOf('<', start);\n\n        if (tagStart < 0) {\n          if (!source.substr(start).match(/^\\s*$/)) {\n            var doc = domBuilder.doc;\n            var text = doc.createTextNode(source.substr(start));\n            doc.appendChild(text);\n            domBuilder.currentElement = text;\n          }\n\n          return;\n        }\n\n        if (tagStart > start) {\n          appendText(tagStart);\n        }\n\n        switch (source.charAt(tagStart + 1)) {\n          case '/':\n            var end = source.indexOf('>', tagStart + 3);\n            var tagName = source.substring(tagStart + 2, end);\n            var config = parseStack.pop();\n\n            if (end < 0) {\n              tagName = source.substring(tagStart + 2).replace(/[\\s<].*/, ''); //console.error('#@@@@@@'+tagName)\n\n              errorHandler.error(\"end tag name: \" + tagName + ' is not complete:' + config.tagName);\n              end = tagStart + 1 + tagName.length;\n            } else if (tagName.match(/\\s</)) {\n              tagName = tagName.replace(/[\\s<].*/, '');\n              errorHandler.error(\"end tag name: \" + tagName + ' maybe not complete');\n              end = tagStart + 1 + tagName.length;\n            } //console.error(parseStack.length,parseStack)\n            //console.error(config);\n\n\n            var localNSMap = config.localNSMap;\n            var endMatch = config.tagName == tagName;\n            var endIgnoreCaseMach = endMatch || config.tagName && config.tagName.toLowerCase() == tagName.toLowerCase();\n\n            if (endIgnoreCaseMach) {\n              domBuilder.endElement(config.uri, config.localName, tagName);\n\n              if (localNSMap) {\n                for (var prefix in localNSMap) {\n                  domBuilder.endPrefixMapping(prefix);\n                }\n              }\n\n              if (!endMatch) {\n                errorHandler.fatalError(\"end tag name: \" + tagName + ' is not match the current start tagName:' + config.tagName);\n              }\n            } else {\n              parseStack.push(config);\n            }\n\n            end++;\n            break;\n          // end elment\n\n          case '?':\n            // <?...?>\n            locator && position(tagStart);\n            end = parseInstruction(source, tagStart, domBuilder);\n            break;\n\n          case '!':\n            // <!doctype,<![CDATA,<!--\n            locator && position(tagStart);\n            end = parseDCC(source, tagStart, domBuilder, errorHandler);\n            break;\n\n          default:\n            locator && position(tagStart);\n            var el = new ElementAttributes();\n            var currentNSMap = parseStack[parseStack.length - 1].currentNSMap; //elStartEnd\n\n            var end = parseElementStartPart(source, tagStart, el, currentNSMap, entityReplacer, errorHandler);\n            var len = el.length;\n\n            if (!el.closed && fixSelfClosed(source, end, el.tagName, closeMap)) {\n              el.closed = true;\n\n              if (!entityMap.nbsp) {\n                errorHandler.warning('unclosed xml attribute');\n              }\n            }\n\n            if (locator && len) {\n              var locator2 = copyLocator(locator, {}); //try{//attribute position fixed\n\n              for (var i = 0; i < len; i++) {\n                var a = el[i];\n                position(a.offset);\n                a.locator = copyLocator(locator, {});\n              } //}catch(e){console.error('@@@@@'+e)}\n\n\n              domBuilder.locator = locator2;\n\n              if (appendElement(el, domBuilder, currentNSMap)) {\n                parseStack.push(el);\n              }\n\n              domBuilder.locator = locator;\n            } else {\n              if (appendElement(el, domBuilder, currentNSMap)) {\n                parseStack.push(el);\n              }\n            }\n\n            if (el.uri === 'http://www.w3.org/1999/xhtml' && !el.closed) {\n              end = parseHtmlSpecialContent(source, end, el.tagName, entityReplacer, domBuilder);\n            } else {\n              end++;\n            }\n\n        }\n      } catch (e) {\n        errorHandler.error('element parse error: ' + e); //errorHandler.error('element parse error: '+e);\n\n        end = -1; //throw e;\n      }\n\n      if (end > start) {\n        start = end;\n      } else {\n        //TODO: 这里有可能sax回退，有位置错误风险\n        appendText(Math.max(tagStart, start) + 1);\n      }\n    }\n  }\n\n  function copyLocator(f, t) {\n    t.lineNumber = f.lineNumber;\n    t.columnNumber = f.columnNumber;\n    return t;\n  }\n  /**\n   * @see #appendElement(source,elStartEnd,el,selfClosed,entityReplacer,domBuilder,parseStack);\n   * @return end of the elementStartPart(end of elementEndPart for selfClosed el)\n   */\n\n\n  function parseElementStartPart(source, start, el, currentNSMap, entityReplacer, errorHandler) {\n    var attrName;\n    var value;\n    var p = ++start;\n    var s = S_TAG; //status\n\n    while (true) {\n      var c = source.charAt(p);\n\n      switch (c) {\n        case '=':\n          if (s === S_ATTR) {\n            //attrName\n            attrName = source.slice(start, p);\n            s = S_EQ;\n          } else if (s === S_ATTR_SPACE) {\n            s = S_EQ;\n          } else {\n            //fatalError: equal must after attrName or space after attrName\n            throw new Error('attribute equal must after attrName');\n          }\n\n          break;\n\n        case '\\'':\n        case '\"':\n          if (s === S_EQ || s === S_ATTR //|| s == S_ATTR_SPACE\n          ) {\n              //equal\n              if (s === S_ATTR) {\n                errorHandler.warning('attribute value must after \"=\"');\n                attrName = source.slice(start, p);\n              }\n\n              start = p + 1;\n              p = source.indexOf(c, start);\n\n              if (p > 0) {\n                value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer);\n                el.add(attrName, value, start - 1);\n                s = S_ATTR_END;\n              } else {\n                //fatalError: no end quot match\n                throw new Error('attribute value no end \\'' + c + '\\' match');\n              }\n            } else if (s == S_ATTR_NOQUOT_VALUE) {\n            value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer); //console.log(attrName,value,start,p)\n\n            el.add(attrName, value, start); //console.dir(el)\n\n            errorHandler.warning('attribute \"' + attrName + '\" missed start quot(' + c + ')!!');\n            start = p + 1;\n            s = S_ATTR_END;\n          } else {\n            //fatalError: no equal before\n            throw new Error('attribute value must after \"=\"');\n          }\n\n          break;\n\n        case '/':\n          switch (s) {\n            case S_TAG:\n              el.setTagName(source.slice(start, p));\n\n            case S_ATTR_END:\n            case S_TAG_SPACE:\n            case S_TAG_CLOSE:\n              s = S_TAG_CLOSE;\n              el.closed = true;\n\n            case S_ATTR_NOQUOT_VALUE:\n            case S_ATTR:\n            case S_ATTR_SPACE:\n              break;\n            //case S_EQ:\n\n            default:\n              throw new Error(\"attribute invalid close char('/')\");\n          }\n\n          break;\n\n        case '':\n          //end document\n          //throw new Error('unexpected end of input')\n          errorHandler.error('unexpected end of input');\n\n          if (s == S_TAG) {\n            el.setTagName(source.slice(start, p));\n          }\n\n          return p;\n\n        case '>':\n          switch (s) {\n            case S_TAG:\n              el.setTagName(source.slice(start, p));\n\n            case S_ATTR_END:\n            case S_TAG_SPACE:\n            case S_TAG_CLOSE:\n              break;\n            //normal\n\n            case S_ATTR_NOQUOT_VALUE: //Compatible state\n\n            case S_ATTR:\n              value = source.slice(start, p);\n\n              if (value.slice(-1) === '/') {\n                el.closed = true;\n                value = value.slice(0, -1);\n              }\n\n            case S_ATTR_SPACE:\n              if (s === S_ATTR_SPACE) {\n                value = attrName;\n              }\n\n              if (s == S_ATTR_NOQUOT_VALUE) {\n                errorHandler.warning('attribute \"' + value + '\" missed quot(\")!!');\n                el.add(attrName, value.replace(/&#?\\w+;/g, entityReplacer), start);\n              } else {\n                if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !value.match(/^(?:disabled|checked|selected)$/i)) {\n                  errorHandler.warning('attribute \"' + value + '\" missed value!! \"' + value + '\" instead!!');\n                }\n\n                el.add(value, value, start);\n              }\n\n              break;\n\n            case S_EQ:\n              throw new Error('attribute value missed!!');\n          } //\t\t\tconsole.log(tagName,tagNamePattern,tagNamePattern.test(tagName))\n\n\n          return p;\n\n        /*xml space '\\x20' | #x9 | #xD | #xA; */\n\n        case \"\\x80\":\n          c = ' ';\n\n        default:\n          if (c <= ' ') {\n            //space\n            switch (s) {\n              case S_TAG:\n                el.setTagName(source.slice(start, p)); //tagName\n\n                s = S_TAG_SPACE;\n                break;\n\n              case S_ATTR:\n                attrName = source.slice(start, p);\n                s = S_ATTR_SPACE;\n                break;\n\n              case S_ATTR_NOQUOT_VALUE:\n                var value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer);\n                errorHandler.warning('attribute \"' + value + '\" missed quot(\")!!');\n                el.add(attrName, value, start);\n\n              case S_ATTR_END:\n                s = S_TAG_SPACE;\n                break;\n              //case S_TAG_SPACE:\n              //case S_EQ:\n              //case S_ATTR_SPACE:\n              //\tvoid();break;\n              //case S_TAG_CLOSE:\n              //ignore warning\n            }\n          } else {\n            //not space\n            //S_TAG,\tS_ATTR,\tS_EQ,\tS_ATTR_NOQUOT_VALUE\n            //S_ATTR_SPACE,\tS_ATTR_END,\tS_TAG_SPACE, S_TAG_CLOSE\n            switch (s) {\n              //case S_TAG:void();break;\n              //case S_ATTR:void();break;\n              //case S_ATTR_NOQUOT_VALUE:void();break;\n              case S_ATTR_SPACE:\n                var tagName = el.tagName;\n\n                if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !attrName.match(/^(?:disabled|checked|selected)$/i)) {\n                  errorHandler.warning('attribute \"' + attrName + '\" missed value!! \"' + attrName + '\" instead2!!');\n                }\n\n                el.add(attrName, attrName, start);\n                start = p;\n                s = S_ATTR;\n                break;\n\n              case S_ATTR_END:\n                errorHandler.warning('attribute space is required\"' + attrName + '\"!!');\n\n              case S_TAG_SPACE:\n                s = S_ATTR;\n                start = p;\n                break;\n\n              case S_EQ:\n                s = S_ATTR_NOQUOT_VALUE;\n                start = p;\n                break;\n\n              case S_TAG_CLOSE:\n                throw new Error(\"elements closed character '/' and '>' must be connected to\");\n            }\n          }\n\n      } //end outer switch\n      //console.log('p++',p)\n\n\n      p++;\n    }\n  }\n  /**\n   * @return true if has new namespace define\n   */\n\n\n  function appendElement(el, domBuilder, currentNSMap) {\n    var tagName = el.tagName;\n    var localNSMap = null; //var currentNSMap = parseStack[parseStack.length-1].currentNSMap;\n\n    var i = el.length;\n\n    while (i--) {\n      var a = el[i];\n      var qName = a.qName;\n      var value = a.value;\n      var nsp = qName.indexOf(':');\n\n      if (nsp > 0) {\n        var prefix = a.prefix = qName.slice(0, nsp);\n        var localName = qName.slice(nsp + 1);\n        var nsPrefix = prefix === 'xmlns' && localName;\n      } else {\n        localName = qName;\n        prefix = null;\n        nsPrefix = qName === 'xmlns' && '';\n      } //can not set prefix,because prefix !== ''\n\n\n      a.localName = localName; //prefix == null for no ns prefix attribute\n\n      if (nsPrefix !== false) {\n        //hack!!\n        if (localNSMap == null) {\n          localNSMap = {}; //console.log(currentNSMap,0)\n\n          _copy(currentNSMap, currentNSMap = {}); //console.log(currentNSMap,1)\n\n        }\n\n        currentNSMap[nsPrefix] = localNSMap[nsPrefix] = value;\n        a.uri = 'http://www.w3.org/2000/xmlns/';\n        domBuilder.startPrefixMapping(nsPrefix, value);\n      }\n    }\n\n    var i = el.length;\n\n    while (i--) {\n      a = el[i];\n      var prefix = a.prefix;\n\n      if (prefix) {\n        //no prefix attribute has no namespace\n        if (prefix === 'xml') {\n          a.uri = 'http://www.w3.org/XML/1998/namespace';\n        }\n\n        if (prefix !== 'xmlns') {\n          a.uri = currentNSMap[prefix || '']; //{console.log('###'+a.qName,domBuilder.locator.systemId+'',currentNSMap,a.uri)}\n        }\n      }\n    }\n\n    var nsp = tagName.indexOf(':');\n\n    if (nsp > 0) {\n      prefix = el.prefix = tagName.slice(0, nsp);\n      localName = el.localName = tagName.slice(nsp + 1);\n    } else {\n      prefix = null; //important!!\n\n      localName = el.localName = tagName;\n    } //no prefix element has default namespace\n\n\n    var ns = el.uri = currentNSMap[prefix || ''];\n    domBuilder.startElement(ns, localName, tagName, el); //endPrefixMapping and startPrefixMapping have not any help for dom builder\n    //localNSMap = null\n\n    if (el.closed) {\n      domBuilder.endElement(ns, localName, tagName);\n\n      if (localNSMap) {\n        for (prefix in localNSMap) {\n          domBuilder.endPrefixMapping(prefix);\n        }\n      }\n    } else {\n      el.currentNSMap = currentNSMap;\n      el.localNSMap = localNSMap; //parseStack.push(el);\n\n      return true;\n    }\n  }\n\n  function parseHtmlSpecialContent(source, elStartEnd, tagName, entityReplacer, domBuilder) {\n    if (/^(?:script|textarea)$/i.test(tagName)) {\n      var elEndStart = source.indexOf('</' + tagName + '>', elStartEnd);\n      var text = source.substring(elStartEnd + 1, elEndStart);\n\n      if (/[&<]/.test(text)) {\n        if (/^script$/i.test(tagName)) {\n          //if(!/\\]\\]>/.test(text)){\n          //lexHandler.startCDATA();\n          domBuilder.characters(text, 0, text.length); //lexHandler.endCDATA();\n\n          return elEndStart; //}\n        } //}else{//text area\n\n\n        text = text.replace(/&#?\\w+;/g, entityReplacer);\n        domBuilder.characters(text, 0, text.length);\n        return elEndStart; //}\n      }\n    }\n\n    return elStartEnd + 1;\n  }\n\n  function fixSelfClosed(source, elStartEnd, tagName, closeMap) {\n    //if(tagName in closeMap){\n    var pos = closeMap[tagName];\n\n    if (pos == null) {\n      //console.log(tagName)\n      pos = source.lastIndexOf('</' + tagName + '>');\n\n      if (pos < elStartEnd) {\n        //忘记闭合\n        pos = source.lastIndexOf('</' + tagName);\n      }\n\n      closeMap[tagName] = pos;\n    }\n\n    return pos < elStartEnd; //}\n  }\n\n  function _copy(source, target) {\n    for (var n in source) {\n      target[n] = source[n];\n    }\n  }\n\n  function parseDCC(source, start, domBuilder, errorHandler) {\n    //sure start with '<!'\n    var next = source.charAt(start + 2);\n\n    switch (next) {\n      case '-':\n        if (source.charAt(start + 3) === '-') {\n          var end = source.indexOf('-->', start + 4); //append comment source.substring(4,end)//<!--\n\n          if (end > start) {\n            domBuilder.comment(source, start + 4, end - start - 4);\n            return end + 3;\n          } else {\n            errorHandler.error(\"Unclosed comment\");\n            return -1;\n          }\n        } else {\n          //error\n          return -1;\n        }\n\n      default:\n        if (source.substr(start + 3, 6) == 'CDATA[') {\n          var end = source.indexOf(']]>', start + 9);\n          domBuilder.startCDATA();\n          domBuilder.characters(source, start + 9, end - start - 9);\n          domBuilder.endCDATA();\n          return end + 3;\n        } //<!DOCTYPE\n        //startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId)\n\n\n        var matchs = split(source, start);\n        var len = matchs.length;\n\n        if (len > 1 && /!doctype/i.test(matchs[0][0])) {\n          var name = matchs[1][0];\n          var pubid = len > 3 && /^public$/i.test(matchs[2][0]) && matchs[3][0];\n          var sysid = len > 4 && matchs[4][0];\n          var lastMatch = matchs[len - 1];\n          domBuilder.startDTD(name, pubid && pubid.replace(/^(['\"])(.*?)\\1$/, '$2'), sysid && sysid.replace(/^(['\"])(.*?)\\1$/, '$2'));\n          domBuilder.endDTD();\n          return lastMatch.index + lastMatch[0].length;\n        }\n\n    }\n\n    return -1;\n  }\n\n  function parseInstruction(source, start, domBuilder) {\n    var end = source.indexOf('?>', start);\n\n    if (end) {\n      var match = source.substring(start, end).match(/^<\\?(\\S*)\\s*([\\s\\S]*?)\\s*$/);\n\n      if (match) {\n        var len = match[0].length;\n        domBuilder.processingInstruction(match[1], match[2]);\n        return end + 2;\n      } else {\n        //error\n        return -1;\n      }\n    }\n\n    return -1;\n  }\n  /**\n   * @param source\n   */\n\n\n  function ElementAttributes(source) {}\n\n  ElementAttributes.prototype = {\n    setTagName: function setTagName(tagName) {\n      if (!tagNamePattern.test(tagName)) {\n        throw new Error('invalid tagName:' + tagName);\n      }\n\n      this.tagName = tagName;\n    },\n    add: function add(qName, value, offset) {\n      if (!tagNamePattern.test(qName)) {\n        throw new Error('invalid attribute:' + qName);\n      }\n\n      this[this.length++] = {\n        qName: qName,\n        value: value,\n        offset: offset\n      };\n    },\n    length: 0,\n    getLocalName: function getLocalName(i) {\n      return this[i].localName;\n    },\n    getLocator: function getLocator(i) {\n      return this[i].locator;\n    },\n    getQName: function getQName(i) {\n      return this[i].qName;\n    },\n    getURI: function getURI(i) {\n      return this[i].uri;\n    },\n    getValue: function getValue(i) {\n      return this[i].value;\n    } //\t,getIndex:function(uri, localName)){\n    //\t\tif(localName){\n    //\n    //\t\t}else{\n    //\t\t\tvar qName = uri\n    //\t\t}\n    //\t},\n    //\tgetValue:function(){return this.getValue(this.getIndex.apply(this,arguments))},\n    //\tgetType:function(uri,localName){}\n    //\tgetType:function(i){},\n\n  };\n\n  function _set_proto_(thiz, parent) {\n    thiz.__proto__ = parent;\n    return thiz;\n  }\n\n  if (!(_set_proto_({}, _set_proto_.prototype) instanceof _set_proto_)) {\n    _set_proto_ = function _set_proto_(thiz, parent) {\n      function p() {}\n      p.prototype = parent;\n      p = new p();\n\n      for (parent in thiz) {\n        p[parent] = thiz[parent];\n      }\n\n      return p;\n    };\n  }\n\n  function split(source, start) {\n    var match;\n    var buf = [];\n    var reg = /'[^']+'|\"[^\"]+\"|[^\\s<>\\/=]+=?|(\\/?\\s*>|<)/g;\n    reg.lastIndex = start;\n    reg.exec(source); //skip <\n\n    while (match = reg.exec(source)) {\n      buf.push(match);\n      if (match[1]) return buf;\n    }\n  }\n\n  var XMLReader_1 = XMLReader;\n  var sax = {\n    XMLReader: XMLReader_1\n  };\n\n  /*\n   * DOM Level 2\n   * Object DOMException\n   * @see http://www.w3.org/TR/REC-DOM-Level-1/ecma-script-language-binding.html\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html\n   */\n  function copy(src, dest) {\n    for (var p in src) {\n      dest[p] = src[p];\n    }\n  }\n  /**\n  ^\\w+\\.prototype\\.([_\\w]+)\\s*=\\s*((?:.*\\{\\s*?[\\r\\n][\\s\\S]*?^})|\\S.*?(?=[;\\r\\n]));?\n  ^\\w+\\.prototype\\.([_\\w]+)\\s*=\\s*(\\S.*?(?=[;\\r\\n]));?\n   */\n\n\n  function _extends$1(Class, Super) {\n    var pt = Class.prototype;\n\n    if (Object.create) {\n      var ppt = Object.create(Super.prototype);\n      pt.__proto__ = ppt;\n    }\n\n    if (!(pt instanceof Super)) {\n      var t = function t() {};\n      t.prototype = Super.prototype;\n      t = new t();\n      copy(pt, t);\n      Class.prototype = pt = t;\n    }\n\n    if (pt.constructor != Class) {\n      if (typeof Class != 'function') {\n        console.error(\"unknow Class:\" + Class);\n      }\n\n      pt.constructor = Class;\n    }\n  }\n\n  var htmlns = 'http://www.w3.org/1999/xhtml'; // Node Types\n\n  var NodeType = {};\n  var ELEMENT_NODE = NodeType.ELEMENT_NODE = 1;\n  var ATTRIBUTE_NODE = NodeType.ATTRIBUTE_NODE = 2;\n  var TEXT_NODE = NodeType.TEXT_NODE = 3;\n  var CDATA_SECTION_NODE = NodeType.CDATA_SECTION_NODE = 4;\n  var ENTITY_REFERENCE_NODE = NodeType.ENTITY_REFERENCE_NODE = 5;\n  var ENTITY_NODE = NodeType.ENTITY_NODE = 6;\n  var PROCESSING_INSTRUCTION_NODE = NodeType.PROCESSING_INSTRUCTION_NODE = 7;\n  var COMMENT_NODE = NodeType.COMMENT_NODE = 8;\n  var DOCUMENT_NODE = NodeType.DOCUMENT_NODE = 9;\n  var DOCUMENT_TYPE_NODE = NodeType.DOCUMENT_TYPE_NODE = 10;\n  var DOCUMENT_FRAGMENT_NODE = NodeType.DOCUMENT_FRAGMENT_NODE = 11;\n  var NOTATION_NODE = NodeType.NOTATION_NODE = 12; // ExceptionCode\n\n  var ExceptionCode = {};\n  var ExceptionMessage = {};\n  var INDEX_SIZE_ERR = ExceptionCode.INDEX_SIZE_ERR = (ExceptionMessage[1] = \"Index size error\", 1);\n  var DOMSTRING_SIZE_ERR = ExceptionCode.DOMSTRING_SIZE_ERR = (ExceptionMessage[2] = \"DOMString size error\", 2);\n  var HIERARCHY_REQUEST_ERR = ExceptionCode.HIERARCHY_REQUEST_ERR = (ExceptionMessage[3] = \"Hierarchy request error\", 3);\n  var WRONG_DOCUMENT_ERR = ExceptionCode.WRONG_DOCUMENT_ERR = (ExceptionMessage[4] = \"Wrong document\", 4);\n  var INVALID_CHARACTER_ERR = ExceptionCode.INVALID_CHARACTER_ERR = (ExceptionMessage[5] = \"Invalid character\", 5);\n  var NO_DATA_ALLOWED_ERR = ExceptionCode.NO_DATA_ALLOWED_ERR = (ExceptionMessage[6] = \"No data allowed\", 6);\n  var NO_MODIFICATION_ALLOWED_ERR = ExceptionCode.NO_MODIFICATION_ALLOWED_ERR = (ExceptionMessage[7] = \"No modification allowed\", 7);\n  var NOT_FOUND_ERR = ExceptionCode.NOT_FOUND_ERR = (ExceptionMessage[8] = \"Not found\", 8);\n  var NOT_SUPPORTED_ERR = ExceptionCode.NOT_SUPPORTED_ERR = (ExceptionMessage[9] = \"Not supported\", 9);\n  var INUSE_ATTRIBUTE_ERR = ExceptionCode.INUSE_ATTRIBUTE_ERR = (ExceptionMessage[10] = \"Attribute in use\", 10); //level2\n\n  var INVALID_STATE_ERR = ExceptionCode.INVALID_STATE_ERR = (ExceptionMessage[11] = \"Invalid state\", 11);\n  var SYNTAX_ERR = ExceptionCode.SYNTAX_ERR = (ExceptionMessage[12] = \"Syntax error\", 12);\n  var INVALID_MODIFICATION_ERR = ExceptionCode.INVALID_MODIFICATION_ERR = (ExceptionMessage[13] = \"Invalid modification\", 13);\n  var NAMESPACE_ERR = ExceptionCode.NAMESPACE_ERR = (ExceptionMessage[14] = \"Invalid namespace\", 14);\n  var INVALID_ACCESS_ERR = ExceptionCode.INVALID_ACCESS_ERR = (ExceptionMessage[15] = \"Invalid access\", 15);\n\n  function DOMException(code, message) {\n    if (message instanceof Error) {\n      var error = message;\n    } else {\n      error = this;\n      Error.call(this, ExceptionMessage[code]);\n      this.message = ExceptionMessage[code];\n      if (Error.captureStackTrace) Error.captureStackTrace(this, DOMException);\n    }\n\n    error.code = code;\n    if (message) this.message = this.message + \": \" + message;\n    return error;\n  }\n  DOMException.prototype = Error.prototype;\n  copy(ExceptionCode, DOMException);\n  /**\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-536297177\n   * The NodeList interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented. NodeList objects in the DOM are live.\n   * The items in the NodeList are accessible via an integral index, starting from 0.\n   */\n\n  function NodeList() {}\n  NodeList.prototype = {\n    /**\n     * The number of nodes in the list. The range of valid child node indices is 0 to length-1 inclusive.\n     * @standard level1\n     */\n    length: 0,\n\n    /**\n     * Returns the indexth item in the collection. If index is greater than or equal to the number of nodes in the list, this returns null.\n     * @standard level1\n     * @param index  unsigned long\n     *   Index into the collection.\n     * @return Node\n     * \tThe node at the indexth position in the NodeList, or null if that is not a valid index.\n     */\n    item: function item(index) {\n      return this[index] || null;\n    },\n    toString: function toString(isHTML, nodeFilter) {\n      for (var buf = [], i = 0; i < this.length; i++) {\n        serializeToString(this[i], buf, isHTML, nodeFilter);\n      }\n\n      return buf.join('');\n    }\n  };\n\n  function LiveNodeList(node, refresh) {\n    this._node = node;\n    this._refresh = refresh;\n\n    _updateLiveList(this);\n  }\n\n  function _updateLiveList(list) {\n    var inc = list._node._inc || list._node.ownerDocument._inc;\n\n    if (list._inc != inc) {\n      var ls = list._refresh(list._node); //console.log(ls.length)\n\n\n      __set__(list, 'length', ls.length);\n\n      copy(ls, list);\n      list._inc = inc;\n    }\n  }\n\n  LiveNodeList.prototype.item = function (i) {\n    _updateLiveList(this);\n\n    return this[i];\n  };\n\n  _extends$1(LiveNodeList, NodeList);\n  /**\n   *\n   * Objects implementing the NamedNodeMap interface are used to represent collections of nodes that can be accessed by name. Note that NamedNodeMap does not inherit from NodeList; NamedNodeMaps are not maintained in any particular order. Objects contained in an object implementing NamedNodeMap may also be accessed by an ordinal index, but this is simply to allow convenient enumeration of the contents of a NamedNodeMap, and does not imply that the DOM specifies an order to these Nodes.\n   * NamedNodeMap objects in the DOM are live.\n   * used for attributes or DocumentType entities\n   */\n\n\n  function NamedNodeMap() {}\n\n  function _findNodeIndex(list, node) {\n    var i = list.length;\n\n    while (i--) {\n      if (list[i] === node) {\n        return i;\n      }\n    }\n  }\n\n  function _addNamedNode(el, list, newAttr, oldAttr) {\n    if (oldAttr) {\n      list[_findNodeIndex(list, oldAttr)] = newAttr;\n    } else {\n      list[list.length++] = newAttr;\n    }\n\n    if (el) {\n      newAttr.ownerElement = el;\n      var doc = el.ownerDocument;\n\n      if (doc) {\n        oldAttr && _onRemoveAttribute(doc, el, oldAttr);\n\n        _onAddAttribute(doc, el, newAttr);\n      }\n    }\n  }\n\n  function _removeNamedNode(el, list, attr) {\n    //console.log('remove attr:'+attr)\n    var i = _findNodeIndex(list, attr);\n\n    if (i >= 0) {\n      var lastIndex = list.length - 1;\n\n      while (i < lastIndex) {\n        list[i] = list[++i];\n      }\n\n      list.length = lastIndex;\n\n      if (el) {\n        var doc = el.ownerDocument;\n\n        if (doc) {\n          _onRemoveAttribute(doc, el, attr);\n\n          attr.ownerElement = null;\n        }\n      }\n    } else {\n      throw DOMException(NOT_FOUND_ERR, new Error(el.tagName + '@' + attr));\n    }\n  }\n\n  NamedNodeMap.prototype = {\n    length: 0,\n    item: NodeList.prototype.item,\n    getNamedItem: function getNamedItem(key) {\n      //\t\tif(key.indexOf(':')>0 || key == 'xmlns'){\n      //\t\t\treturn null;\n      //\t\t}\n      //console.log()\n      var i = this.length;\n\n      while (i--) {\n        var attr = this[i]; //console.log(attr.nodeName,key)\n\n        if (attr.nodeName == key) {\n          return attr;\n        }\n      }\n    },\n    setNamedItem: function setNamedItem(attr) {\n      var el = attr.ownerElement;\n\n      if (el && el != this._ownerElement) {\n        throw new DOMException(INUSE_ATTRIBUTE_ERR);\n      }\n\n      var oldAttr = this.getNamedItem(attr.nodeName);\n\n      _addNamedNode(this._ownerElement, this, attr, oldAttr);\n\n      return oldAttr;\n    },\n\n    /* returns Node */\n    setNamedItemNS: function setNamedItemNS(attr) {\n      // raises: WRONG_DOCUMENT_ERR,NO_MODIFICATION_ALLOWED_ERR,INUSE_ATTRIBUTE_ERR\n      var el = attr.ownerElement,\n          oldAttr;\n\n      if (el && el != this._ownerElement) {\n        throw new DOMException(INUSE_ATTRIBUTE_ERR);\n      }\n\n      oldAttr = this.getNamedItemNS(attr.namespaceURI, attr.localName);\n\n      _addNamedNode(this._ownerElement, this, attr, oldAttr);\n\n      return oldAttr;\n    },\n\n    /* returns Node */\n    removeNamedItem: function removeNamedItem(key) {\n      var attr = this.getNamedItem(key);\n\n      _removeNamedNode(this._ownerElement, this, attr);\n\n      return attr;\n    },\n    // raises: NOT_FOUND_ERR,NO_MODIFICATION_ALLOWED_ERR\n    //for level2\n    removeNamedItemNS: function removeNamedItemNS(namespaceURI, localName) {\n      var attr = this.getNamedItemNS(namespaceURI, localName);\n\n      _removeNamedNode(this._ownerElement, this, attr);\n\n      return attr;\n    },\n    getNamedItemNS: function getNamedItemNS(namespaceURI, localName) {\n      var i = this.length;\n\n      while (i--) {\n        var node = this[i];\n\n        if (node.localName == localName && node.namespaceURI == namespaceURI) {\n          return node;\n        }\n      }\n\n      return null;\n    }\n  };\n  /**\n   * @see http://www.w3.org/TR/REC-DOM-Level-1/level-one-core.html#ID-102161490\n   */\n\n  function DOMImplementation(\n  /* Object */\n  features) {\n    this._features = {};\n\n    if (features) {\n      for (var feature in features) {\n        this._features = features[feature];\n      }\n    }\n  }\n  DOMImplementation.prototype = {\n    hasFeature: function hasFeature(\n    /* string */\n    feature,\n    /* string */\n    version) {\n      var versions = this._features[feature.toLowerCase()];\n\n      if (versions && (!version || version in versions)) {\n        return true;\n      } else {\n        return false;\n      }\n    },\n    // Introduced in DOM Level 2:\n    createDocument: function createDocument(namespaceURI, qualifiedName, doctype) {\n      // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR,WRONG_DOCUMENT_ERR\n      var doc = new Document();\n      doc.implementation = this;\n      doc.childNodes = new NodeList();\n      doc.doctype = doctype;\n\n      if (doctype) {\n        doc.appendChild(doctype);\n      }\n\n      if (qualifiedName) {\n        var root = doc.createElementNS(namespaceURI, qualifiedName);\n        doc.appendChild(root);\n      }\n\n      return doc;\n    },\n    // Introduced in DOM Level 2:\n    createDocumentType: function createDocumentType(qualifiedName, publicId, systemId) {\n      // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR\n      var node = new DocumentType();\n      node.name = qualifiedName;\n      node.nodeName = qualifiedName;\n      node.publicId = publicId;\n      node.systemId = systemId; // Introduced in DOM Level 2:\n      //readonly attribute DOMString        internalSubset;\n      //TODO:..\n      //  readonly attribute NamedNodeMap     entities;\n      //  readonly attribute NamedNodeMap     notations;\n\n      return node;\n    }\n  };\n  /**\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-1950641247\n   */\n\n  function Node() {}\n  Node.prototype = {\n    firstChild: null,\n    lastChild: null,\n    previousSibling: null,\n    nextSibling: null,\n    attributes: null,\n    parentNode: null,\n    childNodes: null,\n    ownerDocument: null,\n    nodeValue: null,\n    namespaceURI: null,\n    prefix: null,\n    localName: null,\n    // Modified in DOM Level 2:\n    insertBefore: function insertBefore(newChild, refChild) {\n      //raises\n      return _insertBefore(this, newChild, refChild);\n    },\n    replaceChild: function replaceChild(newChild, oldChild) {\n      //raises\n      this.insertBefore(newChild, oldChild);\n\n      if (oldChild) {\n        this.removeChild(oldChild);\n      }\n    },\n    removeChild: function removeChild(oldChild) {\n      return _removeChild(this, oldChild);\n    },\n    appendChild: function appendChild(newChild) {\n      return this.insertBefore(newChild, null);\n    },\n    hasChildNodes: function hasChildNodes() {\n      return this.firstChild != null;\n    },\n    cloneNode: function cloneNode(deep) {\n      return _cloneNode(this.ownerDocument || this, this, deep);\n    },\n    // Modified in DOM Level 2:\n    normalize: function normalize() {\n      var child = this.firstChild;\n\n      while (child) {\n        var next = child.nextSibling;\n\n        if (next && next.nodeType == TEXT_NODE && child.nodeType == TEXT_NODE) {\n          this.removeChild(next);\n          child.appendData(next.data);\n        } else {\n          child.normalize();\n          child = next;\n        }\n      }\n    },\n    // Introduced in DOM Level 2:\n    isSupported: function isSupported(feature, version) {\n      return this.ownerDocument.implementation.hasFeature(feature, version);\n    },\n    // Introduced in DOM Level 2:\n    hasAttributes: function hasAttributes() {\n      return this.attributes.length > 0;\n    },\n    lookupPrefix: function lookupPrefix(namespaceURI) {\n      var el = this;\n\n      while (el) {\n        var map = el._nsMap; //console.dir(map)\n\n        if (map) {\n          for (var n in map) {\n            if (map[n] == namespaceURI) {\n              return n;\n            }\n          }\n        }\n\n        el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;\n      }\n\n      return null;\n    },\n    // Introduced in DOM Level 3:\n    lookupNamespaceURI: function lookupNamespaceURI(prefix) {\n      var el = this;\n\n      while (el) {\n        var map = el._nsMap; //console.dir(map)\n\n        if (map) {\n          if (prefix in map) {\n            return map[prefix];\n          }\n        }\n\n        el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;\n      }\n\n      return null;\n    },\n    // Introduced in DOM Level 3:\n    isDefaultNamespace: function isDefaultNamespace(namespaceURI) {\n      var prefix = this.lookupPrefix(namespaceURI);\n      return prefix == null;\n    }\n  };\n\n  function _xmlEncoder(c) {\n    return c == '<' && '&lt;' || c == '>' && '&gt;' || c == '&' && '&amp;' || c == '\"' && '&quot;' || '&#' + c.charCodeAt() + ';';\n  }\n\n  copy(NodeType, Node);\n  copy(NodeType, Node.prototype);\n  /**\n   * @param callback return true for continue,false for break\n   * @return boolean true: break visit;\n   */\n\n  function _visitNode(node, callback) {\n    if (callback(node)) {\n      return true;\n    }\n\n    if (node = node.firstChild) {\n      do {\n        if (_visitNode(node, callback)) {\n          return true;\n        }\n      } while (node = node.nextSibling);\n    }\n  }\n\n  function Document() {}\n\n  function _onAddAttribute(doc, el, newAttr) {\n    doc && doc._inc++;\n    var ns = newAttr.namespaceURI;\n\n    if (ns == 'http://www.w3.org/2000/xmlns/') {\n      //update namespace\n      el._nsMap[newAttr.prefix ? newAttr.localName : ''] = newAttr.value;\n    }\n  }\n\n  function _onRemoveAttribute(doc, el, newAttr, remove) {\n    doc && doc._inc++;\n    var ns = newAttr.namespaceURI;\n\n    if (ns == 'http://www.w3.org/2000/xmlns/') {\n      //update namespace\n      delete el._nsMap[newAttr.prefix ? newAttr.localName : ''];\n    }\n  }\n\n  function _onUpdateChild(doc, el, newChild) {\n    if (doc && doc._inc) {\n      doc._inc++; //update childNodes\n\n      var cs = el.childNodes;\n\n      if (newChild) {\n        cs[cs.length++] = newChild;\n      } else {\n        //console.log(1)\n        var child = el.firstChild;\n        var i = 0;\n\n        while (child) {\n          cs[i++] = child;\n          child = child.nextSibling;\n        }\n\n        cs.length = i;\n      }\n    }\n  }\n  /**\n   * attributes;\n   * children;\n   *\n   * writeable properties:\n   * nodeValue,Attr:value,CharacterData:data\n   * prefix\n   */\n\n\n  function _removeChild(parentNode, child) {\n    var previous = child.previousSibling;\n    var next = child.nextSibling;\n\n    if (previous) {\n      previous.nextSibling = next;\n    } else {\n      parentNode.firstChild = next;\n    }\n\n    if (next) {\n      next.previousSibling = previous;\n    } else {\n      parentNode.lastChild = previous;\n    }\n\n    _onUpdateChild(parentNode.ownerDocument, parentNode);\n\n    return child;\n  }\n  /**\n   * preformance key(refChild == null)\n   */\n\n\n  function _insertBefore(parentNode, newChild, nextChild) {\n    var cp = newChild.parentNode;\n\n    if (cp) {\n      cp.removeChild(newChild); //remove and update\n    }\n\n    if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {\n      var newFirst = newChild.firstChild;\n\n      if (newFirst == null) {\n        return newChild;\n      }\n\n      var newLast = newChild.lastChild;\n    } else {\n      newFirst = newLast = newChild;\n    }\n\n    var pre = nextChild ? nextChild.previousSibling : parentNode.lastChild;\n    newFirst.previousSibling = pre;\n    newLast.nextSibling = nextChild;\n\n    if (pre) {\n      pre.nextSibling = newFirst;\n    } else {\n      parentNode.firstChild = newFirst;\n    }\n\n    if (nextChild == null) {\n      parentNode.lastChild = newLast;\n    } else {\n      nextChild.previousSibling = newLast;\n    }\n\n    do {\n      newFirst.parentNode = parentNode;\n    } while (newFirst !== newLast && (newFirst = newFirst.nextSibling));\n\n    _onUpdateChild(parentNode.ownerDocument || parentNode, parentNode); //console.log(parentNode.lastChild.nextSibling == null)\n\n\n    if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {\n      newChild.firstChild = newChild.lastChild = null;\n    }\n\n    return newChild;\n  }\n\n  function _appendSingleChild(parentNode, newChild) {\n    var cp = newChild.parentNode;\n\n    if (cp) {\n      var pre = parentNode.lastChild;\n      cp.removeChild(newChild); //remove and update\n\n      var pre = parentNode.lastChild;\n    }\n\n    var pre = parentNode.lastChild;\n    newChild.parentNode = parentNode;\n    newChild.previousSibling = pre;\n    newChild.nextSibling = null;\n\n    if (pre) {\n      pre.nextSibling = newChild;\n    } else {\n      parentNode.firstChild = newChild;\n    }\n\n    parentNode.lastChild = newChild;\n\n    _onUpdateChild(parentNode.ownerDocument, parentNode, newChild);\n\n    return newChild; //console.log(\"__aa\",parentNode.lastChild.nextSibling == null)\n  }\n\n  Document.prototype = {\n    //implementation : null,\n    nodeName: '#document',\n    nodeType: DOCUMENT_NODE,\n    doctype: null,\n    documentElement: null,\n    _inc: 1,\n    insertBefore: function insertBefore(newChild, refChild) {\n      //raises\n      if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {\n        var child = newChild.firstChild;\n\n        while (child) {\n          var next = child.nextSibling;\n          this.insertBefore(child, refChild);\n          child = next;\n        }\n\n        return newChild;\n      }\n\n      if (this.documentElement == null && newChild.nodeType == ELEMENT_NODE) {\n        this.documentElement = newChild;\n      }\n\n      return _insertBefore(this, newChild, refChild), newChild.ownerDocument = this, newChild;\n    },\n    removeChild: function removeChild(oldChild) {\n      if (this.documentElement == oldChild) {\n        this.documentElement = null;\n      }\n\n      return _removeChild(this, oldChild);\n    },\n    // Introduced in DOM Level 2:\n    importNode: function importNode(importedNode, deep) {\n      return _importNode(this, importedNode, deep);\n    },\n    // Introduced in DOM Level 2:\n    getElementById: function getElementById(id) {\n      var rtv = null;\n\n      _visitNode(this.documentElement, function (node) {\n        if (node.nodeType == ELEMENT_NODE) {\n          if (node.getAttribute('id') == id) {\n            rtv = node;\n            return true;\n          }\n        }\n      });\n\n      return rtv;\n    },\n    //document factory method:\n    createElement: function createElement(tagName) {\n      var node = new Element();\n      node.ownerDocument = this;\n      node.nodeName = tagName;\n      node.tagName = tagName;\n      node.childNodes = new NodeList();\n      var attrs = node.attributes = new NamedNodeMap();\n      attrs._ownerElement = node;\n      return node;\n    },\n    createDocumentFragment: function createDocumentFragment() {\n      var node = new DocumentFragment();\n      node.ownerDocument = this;\n      node.childNodes = new NodeList();\n      return node;\n    },\n    createTextNode: function createTextNode(data) {\n      var node = new Text();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createComment: function createComment(data) {\n      var node = new Comment();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createCDATASection: function createCDATASection(data) {\n      var node = new CDATASection();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createProcessingInstruction: function createProcessingInstruction(target, data) {\n      var node = new ProcessingInstruction();\n      node.ownerDocument = this;\n      node.tagName = node.target = target;\n      node.nodeValue = node.data = data;\n      return node;\n    },\n    createAttribute: function createAttribute(name) {\n      var node = new Attr();\n      node.ownerDocument = this;\n      node.name = name;\n      node.nodeName = name;\n      node.localName = name;\n      node.specified = true;\n      return node;\n    },\n    createEntityReference: function createEntityReference(name) {\n      var node = new EntityReference();\n      node.ownerDocument = this;\n      node.nodeName = name;\n      return node;\n    },\n    // Introduced in DOM Level 2:\n    createElementNS: function createElementNS(namespaceURI, qualifiedName) {\n      var node = new Element();\n      var pl = qualifiedName.split(':');\n      var attrs = node.attributes = new NamedNodeMap();\n      node.childNodes = new NodeList();\n      node.ownerDocument = this;\n      node.nodeName = qualifiedName;\n      node.tagName = qualifiedName;\n      node.namespaceURI = namespaceURI;\n\n      if (pl.length == 2) {\n        node.prefix = pl[0];\n        node.localName = pl[1];\n      } else {\n        //el.prefix = null;\n        node.localName = qualifiedName;\n      }\n\n      attrs._ownerElement = node;\n      return node;\n    },\n    // Introduced in DOM Level 2:\n    createAttributeNS: function createAttributeNS(namespaceURI, qualifiedName) {\n      var node = new Attr();\n      var pl = qualifiedName.split(':');\n      node.ownerDocument = this;\n      node.nodeName = qualifiedName;\n      node.name = qualifiedName;\n      node.namespaceURI = namespaceURI;\n      node.specified = true;\n\n      if (pl.length == 2) {\n        node.prefix = pl[0];\n        node.localName = pl[1];\n      } else {\n        //el.prefix = null;\n        node.localName = qualifiedName;\n      }\n\n      return node;\n    }\n  };\n\n  _extends$1(Document, Node);\n\n  function Element() {\n    this._nsMap = {};\n  }\n  Element.prototype = {\n    nodeType: ELEMENT_NODE,\n    hasAttribute: function hasAttribute(name) {\n      return this.getAttributeNode(name) != null;\n    },\n    getAttribute: function getAttribute(name) {\n      var attr = this.getAttributeNode(name);\n      return attr && attr.value || '';\n    },\n    getAttributeNode: function getAttributeNode(name) {\n      return this.attributes.getNamedItem(name);\n    },\n    setAttribute: function setAttribute(name, value) {\n      var attr = this.ownerDocument.createAttribute(name);\n      attr.value = attr.nodeValue = \"\" + value;\n      this.setAttributeNode(attr);\n    },\n    removeAttribute: function removeAttribute(name) {\n      var attr = this.getAttributeNode(name);\n      attr && this.removeAttributeNode(attr);\n    },\n    //four real opeartion method\n    appendChild: function appendChild(newChild) {\n      if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {\n        return this.insertBefore(newChild, null);\n      } else {\n        return _appendSingleChild(this, newChild);\n      }\n    },\n    setAttributeNode: function setAttributeNode(newAttr) {\n      return this.attributes.setNamedItem(newAttr);\n    },\n    setAttributeNodeNS: function setAttributeNodeNS(newAttr) {\n      return this.attributes.setNamedItemNS(newAttr);\n    },\n    removeAttributeNode: function removeAttributeNode(oldAttr) {\n      //console.log(this == oldAttr.ownerElement)\n      return this.attributes.removeNamedItem(oldAttr.nodeName);\n    },\n    //get real attribute name,and remove it by removeAttributeNode\n    removeAttributeNS: function removeAttributeNS(namespaceURI, localName) {\n      var old = this.getAttributeNodeNS(namespaceURI, localName);\n      old && this.removeAttributeNode(old);\n    },\n    hasAttributeNS: function hasAttributeNS(namespaceURI, localName) {\n      return this.getAttributeNodeNS(namespaceURI, localName) != null;\n    },\n    getAttributeNS: function getAttributeNS(namespaceURI, localName) {\n      var attr = this.getAttributeNodeNS(namespaceURI, localName);\n      return attr && attr.value || '';\n    },\n    setAttributeNS: function setAttributeNS(namespaceURI, qualifiedName, value) {\n      var attr = this.ownerDocument.createAttributeNS(namespaceURI, qualifiedName);\n      attr.value = attr.nodeValue = \"\" + value;\n      this.setAttributeNode(attr);\n    },\n    getAttributeNodeNS: function getAttributeNodeNS(namespaceURI, localName) {\n      return this.attributes.getNamedItemNS(namespaceURI, localName);\n    },\n    getElementsByTagName: function getElementsByTagName(tagName) {\n      return new LiveNodeList(this, function (base) {\n        var ls = [];\n\n        _visitNode(base, function (node) {\n          if (node !== base && node.nodeType == ELEMENT_NODE && (tagName === '*' || node.tagName == tagName)) {\n            ls.push(node);\n          }\n        });\n\n        return ls;\n      });\n    },\n    getElementsByTagNameNS: function getElementsByTagNameNS(namespaceURI, localName) {\n      return new LiveNodeList(this, function (base) {\n        var ls = [];\n\n        _visitNode(base, function (node) {\n          if (node !== base && node.nodeType === ELEMENT_NODE && (namespaceURI === '*' || node.namespaceURI === namespaceURI) && (localName === '*' || node.localName == localName)) {\n            ls.push(node);\n          }\n        });\n\n        return ls;\n      });\n    }\n  };\n  Document.prototype.getElementsByTagName = Element.prototype.getElementsByTagName;\n  Document.prototype.getElementsByTagNameNS = Element.prototype.getElementsByTagNameNS;\n\n  _extends$1(Element, Node);\n\n  function Attr() {}\n  Attr.prototype.nodeType = ATTRIBUTE_NODE;\n\n  _extends$1(Attr, Node);\n\n  function CharacterData() {}\n  CharacterData.prototype = {\n    data: '',\n    substringData: function substringData(offset, count) {\n      return this.data.substring(offset, offset + count);\n    },\n    appendData: function appendData(text) {\n      text = this.data + text;\n      this.nodeValue = this.data = text;\n      this.length = text.length;\n    },\n    insertData: function insertData(offset, text) {\n      this.replaceData(offset, 0, text);\n    },\n    appendChild: function appendChild(newChild) {\n      throw new Error(ExceptionMessage[HIERARCHY_REQUEST_ERR]);\n    },\n    deleteData: function deleteData(offset, count) {\n      this.replaceData(offset, count, \"\");\n    },\n    replaceData: function replaceData(offset, count, text) {\n      var start = this.data.substring(0, offset);\n      var end = this.data.substring(offset + count);\n      text = start + text + end;\n      this.nodeValue = this.data = text;\n      this.length = text.length;\n    }\n  };\n\n  _extends$1(CharacterData, Node);\n\n  function Text() {}\n  Text.prototype = {\n    nodeName: \"#text\",\n    nodeType: TEXT_NODE,\n    splitText: function splitText(offset) {\n      var text = this.data;\n      var newText = text.substring(offset);\n      text = text.substring(0, offset);\n      this.data = this.nodeValue = text;\n      this.length = text.length;\n      var newNode = this.ownerDocument.createTextNode(newText);\n\n      if (this.parentNode) {\n        this.parentNode.insertBefore(newNode, this.nextSibling);\n      }\n\n      return newNode;\n    }\n  };\n\n  _extends$1(Text, CharacterData);\n\n  function Comment() {}\n  Comment.prototype = {\n    nodeName: \"#comment\",\n    nodeType: COMMENT_NODE\n  };\n\n  _extends$1(Comment, CharacterData);\n\n  function CDATASection() {}\n  CDATASection.prototype = {\n    nodeName: \"#cdata-section\",\n    nodeType: CDATA_SECTION_NODE\n  };\n\n  _extends$1(CDATASection, CharacterData);\n\n  function DocumentType() {}\n  DocumentType.prototype.nodeType = DOCUMENT_TYPE_NODE;\n\n  _extends$1(DocumentType, Node);\n\n  function Notation() {}\n  Notation.prototype.nodeType = NOTATION_NODE;\n\n  _extends$1(Notation, Node);\n\n  function Entity() {}\n  Entity.prototype.nodeType = ENTITY_NODE;\n\n  _extends$1(Entity, Node);\n\n  function EntityReference() {}\n  EntityReference.prototype.nodeType = ENTITY_REFERENCE_NODE;\n\n  _extends$1(EntityReference, Node);\n\n  function DocumentFragment() {}\n  DocumentFragment.prototype.nodeName = \"#document-fragment\";\n  DocumentFragment.prototype.nodeType = DOCUMENT_FRAGMENT_NODE;\n\n  _extends$1(DocumentFragment, Node);\n\n  function ProcessingInstruction() {}\n\n  ProcessingInstruction.prototype.nodeType = PROCESSING_INSTRUCTION_NODE;\n\n  _extends$1(ProcessingInstruction, Node);\n\n  function XMLSerializer() {}\n\n  XMLSerializer.prototype.serializeToString = function (node, isHtml, nodeFilter) {\n    return nodeSerializeToString.call(node, isHtml, nodeFilter);\n  };\n\n  Node.prototype.toString = nodeSerializeToString;\n\n  function nodeSerializeToString(isHtml, nodeFilter) {\n    var buf = [];\n    var refNode = this.nodeType == 9 ? this.documentElement : this;\n    var prefix = refNode.prefix;\n    var uri = refNode.namespaceURI;\n\n    if (uri && prefix == null) {\n      //console.log(prefix)\n      var prefix = refNode.lookupPrefix(uri);\n\n      if (prefix == null) {\n        //isHTML = true;\n        var visibleNamespaces = [{\n          namespace: uri,\n          prefix: null\n        } //{namespace:uri,prefix:''}\n        ];\n      }\n    }\n\n    serializeToString(this, buf, isHtml, nodeFilter, visibleNamespaces); //console.log('###',this.nodeType,uri,prefix,buf.join(''))\n\n    return buf.join('');\n  }\n\n  function needNamespaceDefine(node, isHTML, visibleNamespaces) {\n    var prefix = node.prefix || '';\n    var uri = node.namespaceURI;\n\n    if (!prefix && !uri) {\n      return false;\n    }\n\n    if (prefix === \"xml\" && uri === \"http://www.w3.org/XML/1998/namespace\" || uri == 'http://www.w3.org/2000/xmlns/') {\n      return false;\n    }\n\n    var i = visibleNamespaces.length; //console.log('@@@@',node.tagName,prefix,uri,visibleNamespaces)\n\n    while (i--) {\n      var ns = visibleNamespaces[i]; // get namespace prefix\n      //console.log(node.nodeType,node.tagName,ns.prefix,prefix)\n\n      if (ns.prefix == prefix) {\n        return ns.namespace != uri;\n      }\n    } //console.log(isHTML,uri,prefix=='')\n    //if(isHTML && prefix ==null && uri == 'http://www.w3.org/1999/xhtml'){\n    //\treturn false;\n    //}\n    //node.flag = '11111'\n    //console.error(3,true,node.flag,node.prefix,node.namespaceURI)\n\n\n    return true;\n  }\n\n  function serializeToString(node, buf, isHTML, nodeFilter, visibleNamespaces) {\n    if (nodeFilter) {\n      node = nodeFilter(node);\n\n      if (node) {\n        if (typeof node == 'string') {\n          buf.push(node);\n          return;\n        }\n      } else {\n        return;\n      } //buf.sort.apply(attrs, attributeSorter);\n\n    }\n\n    switch (node.nodeType) {\n      case ELEMENT_NODE:\n        if (!visibleNamespaces) visibleNamespaces = [];\n        var startVisibleNamespaces = visibleNamespaces.length;\n        var attrs = node.attributes;\n        var len = attrs.length;\n        var child = node.firstChild;\n        var nodeName = node.tagName;\n        isHTML = htmlns === node.namespaceURI || isHTML;\n        buf.push('<', nodeName);\n\n        for (var i = 0; i < len; i++) {\n          // add namespaces for attributes\n          var attr = attrs.item(i);\n\n          if (attr.prefix == 'xmlns') {\n            visibleNamespaces.push({\n              prefix: attr.localName,\n              namespace: attr.value\n            });\n          } else if (attr.nodeName == 'xmlns') {\n            visibleNamespaces.push({\n              prefix: '',\n              namespace: attr.value\n            });\n          }\n        }\n\n        for (var i = 0; i < len; i++) {\n          var attr = attrs.item(i);\n\n          if (needNamespaceDefine(attr, isHTML, visibleNamespaces)) {\n            var prefix = attr.prefix || '';\n            var uri = attr.namespaceURI;\n            var ns = prefix ? ' xmlns:' + prefix : \" xmlns\";\n            buf.push(ns, '=\"', uri, '\"');\n            visibleNamespaces.push({\n              prefix: prefix,\n              namespace: uri\n            });\n          }\n\n          serializeToString(attr, buf, isHTML, nodeFilter, visibleNamespaces);\n        } // add namespace for current node\n\n\n        if (needNamespaceDefine(node, isHTML, visibleNamespaces)) {\n          var prefix = node.prefix || '';\n          var uri = node.namespaceURI;\n          var ns = prefix ? ' xmlns:' + prefix : \" xmlns\";\n          buf.push(ns, '=\"', uri, '\"');\n          visibleNamespaces.push({\n            prefix: prefix,\n            namespace: uri\n          });\n        }\n\n        if (child || isHTML && !/^(?:meta|link|img|br|hr|input)$/i.test(nodeName)) {\n          buf.push('>'); //if is cdata child node\n\n          if (isHTML && /^script$/i.test(nodeName)) {\n            while (child) {\n              if (child.data) {\n                buf.push(child.data);\n              } else {\n                serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n              }\n\n              child = child.nextSibling;\n            }\n          } else {\n            while (child) {\n              serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n              child = child.nextSibling;\n            }\n          }\n\n          buf.push('</', nodeName, '>');\n        } else {\n          buf.push('/>');\n        } // remove added visible namespaces\n        //visibleNamespaces.length = startVisibleNamespaces;\n\n\n        return;\n\n      case DOCUMENT_NODE:\n      case DOCUMENT_FRAGMENT_NODE:\n        var child = node.firstChild;\n\n        while (child) {\n          serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n          child = child.nextSibling;\n        }\n\n        return;\n\n      case ATTRIBUTE_NODE:\n        return buf.push(' ', node.name, '=\"', node.value.replace(/[<&\"]/g, _xmlEncoder), '\"');\n\n      case TEXT_NODE:\n        return buf.push(node.data.replace(/[<&]/g, _xmlEncoder));\n\n      case CDATA_SECTION_NODE:\n        return buf.push('<![CDATA[', node.data, ']]>');\n\n      case COMMENT_NODE:\n        return buf.push(\"<!--\", node.data, \"-->\");\n\n      case DOCUMENT_TYPE_NODE:\n        var pubid = node.publicId;\n        var sysid = node.systemId;\n        buf.push('<!DOCTYPE ', node.name);\n\n        if (pubid) {\n          buf.push(' PUBLIC \"', pubid);\n\n          if (sysid && sysid != '.') {\n            buf.push('\" \"', sysid);\n          }\n\n          buf.push('\">');\n        } else if (sysid && sysid != '.') {\n          buf.push(' SYSTEM \"', sysid, '\">');\n        } else {\n          var sub = node.internalSubset;\n\n          if (sub) {\n            buf.push(\" [\", sub, \"]\");\n          }\n\n          buf.push(\">\");\n        }\n\n        return;\n\n      case PROCESSING_INSTRUCTION_NODE:\n        return buf.push(\"<?\", node.target, \" \", node.data, \"?>\");\n\n      case ENTITY_REFERENCE_NODE:\n        return buf.push('&', node.nodeName, ';');\n      //case ENTITY_NODE:\n      //case NOTATION_NODE:\n\n      default:\n        buf.push('??', node.nodeName);\n    }\n  }\n\n  function _importNode(doc, node, deep) {\n    var node2;\n\n    switch (node.nodeType) {\n      case ELEMENT_NODE:\n        node2 = node.cloneNode(false);\n        node2.ownerDocument = doc;\n      //var attrs = node2.attributes;\n      //var len = attrs.length;\n      //for(var i=0;i<len;i++){\n      //node2.setAttributeNodeNS(importNode(doc,attrs.item(i),deep));\n      //}\n\n      case DOCUMENT_FRAGMENT_NODE:\n        break;\n\n      case ATTRIBUTE_NODE:\n        deep = true;\n        break;\n      //case ENTITY_REFERENCE_NODE:\n      //case PROCESSING_INSTRUCTION_NODE:\n      ////case TEXT_NODE:\n      //case CDATA_SECTION_NODE:\n      //case COMMENT_NODE:\n      //\tdeep = false;\n      //\tbreak;\n      //case DOCUMENT_NODE:\n      //case DOCUMENT_TYPE_NODE:\n      //cannot be imported.\n      //case ENTITY_NODE:\n      //case NOTATION_NODE：\n      //can not hit in level3\n      //default:throw e;\n    }\n\n    if (!node2) {\n      node2 = node.cloneNode(false); //false\n    }\n\n    node2.ownerDocument = doc;\n    node2.parentNode = null;\n\n    if (deep) {\n      var child = node.firstChild;\n\n      while (child) {\n        node2.appendChild(_importNode(doc, child, deep));\n        child = child.nextSibling;\n      }\n    }\n\n    return node2;\n  } //\n  //var _relationMap = {firstChild:1,lastChild:1,previousSibling:1,nextSibling:1,\n  //\t\t\t\t\tattributes:1,childNodes:1,parentNode:1,documentElement:1,doctype,};\n\n\n  function _cloneNode(doc, node, deep) {\n    var node2 = new node.constructor();\n\n    for (var n in node) {\n      var v = node[n];\n\n      if (typeof v != 'object') {\n        if (v != node2[n]) {\n          node2[n] = v;\n        }\n      }\n    }\n\n    if (node.childNodes) {\n      node2.childNodes = new NodeList();\n    }\n\n    node2.ownerDocument = doc;\n\n    switch (node2.nodeType) {\n      case ELEMENT_NODE:\n        var attrs = node.attributes;\n        var attrs2 = node2.attributes = new NamedNodeMap();\n        var len = attrs.length;\n        attrs2._ownerElement = node2;\n\n        for (var i = 0; i < len; i++) {\n          node2.setAttributeNode(_cloneNode(doc, attrs.item(i), true));\n        }\n\n        break;\n\n\n      case ATTRIBUTE_NODE:\n        deep = true;\n    }\n\n    if (deep) {\n      var child = node.firstChild;\n\n      while (child) {\n        node2.appendChild(_cloneNode(doc, child, deep));\n        child = child.nextSibling;\n      }\n    }\n\n    return node2;\n  }\n\n  function __set__(object, key, value) {\n    object[key] = value;\n  } //do dynamic\n\n\n  try {\n    if (Object.defineProperty) {\n      var getTextContent = function getTextContent(node) {\n        switch (node.nodeType) {\n          case ELEMENT_NODE:\n          case DOCUMENT_FRAGMENT_NODE:\n            var buf = [];\n            node = node.firstChild;\n\n            while (node) {\n              if (node.nodeType !== 7 && node.nodeType !== 8) {\n                buf.push(getTextContent(node));\n              }\n\n              node = node.nextSibling;\n            }\n\n            return buf.join('');\n\n          default:\n            return node.nodeValue;\n        }\n      };\n\n      Object.defineProperty(LiveNodeList.prototype, 'length', {\n        get: function get() {\n          _updateLiveList(this);\n\n          return this.$$length;\n        }\n      });\n      Object.defineProperty(Node.prototype, 'textContent', {\n        get: function get() {\n          return getTextContent(this);\n        },\n        set: function set(data) {\n          switch (this.nodeType) {\n            case ELEMENT_NODE:\n            case DOCUMENT_FRAGMENT_NODE:\n              while (this.firstChild) {\n                this.removeChild(this.firstChild);\n              }\n\n              if (data || String(data)) {\n                this.appendChild(this.ownerDocument.createTextNode(data));\n              }\n\n              break;\n\n            default:\n              //TODO:\n              this.data = data;\n              this.value = data;\n              this.nodeValue = data;\n          }\n        }\n      });\n\n      __set__ = function __set__(object, key, value) {\n        //console.log(value)\n        object['$$' + key] = value;\n      };\n    }\n  } catch (e) {} //ie8\n  //if(typeof require == 'function'){\n\n\n  var DOMImplementation_1 = DOMImplementation;\n  var XMLSerializer_1 = XMLSerializer; //}\n\n  var dom = {\n    DOMImplementation: DOMImplementation_1,\n    XMLSerializer: XMLSerializer_1\n  };\n\n  var domParser = createCommonjsModule(function (module, exports) {\n    function DOMParser(options) {\n      this.options = options || {\n        locator: {}\n      };\n    }\n\n    DOMParser.prototype.parseFromString = function (source, mimeType) {\n      var options = this.options;\n      var sax = new XMLReader();\n      var domBuilder = options.domBuilder || new DOMHandler(); //contentHandler and LexicalHandler\n\n      var errorHandler = options.errorHandler;\n      var locator = options.locator;\n      var defaultNSMap = options.xmlns || {};\n      var entityMap = {\n        'lt': '<',\n        'gt': '>',\n        'amp': '&',\n        'quot': '\"',\n        'apos': \"'\"\n      };\n\n      if (locator) {\n        domBuilder.setDocumentLocator(locator);\n      }\n\n      sax.errorHandler = buildErrorHandler(errorHandler, domBuilder, locator);\n      sax.domBuilder = options.domBuilder || domBuilder;\n\n      if (/\\/x?html?$/.test(mimeType)) {\n        entityMap.nbsp = '\\xa0';\n        entityMap.copy = '\\xa9';\n        defaultNSMap[''] = 'http://www.w3.org/1999/xhtml';\n      }\n\n      defaultNSMap.xml = defaultNSMap.xml || 'http://www.w3.org/XML/1998/namespace';\n\n      if (source) {\n        sax.parse(source, defaultNSMap, entityMap);\n      } else {\n        sax.errorHandler.error(\"invalid doc source\");\n      }\n\n      return domBuilder.doc;\n    };\n\n    function buildErrorHandler(errorImpl, domBuilder, locator) {\n      if (!errorImpl) {\n        if (domBuilder instanceof DOMHandler) {\n          return domBuilder;\n        }\n\n        errorImpl = domBuilder;\n      }\n\n      var errorHandler = {};\n      var isCallback = errorImpl instanceof Function;\n      locator = locator || {};\n\n      function build(key) {\n        var fn = errorImpl[key];\n\n        if (!fn && isCallback) {\n          fn = errorImpl.length == 2 ? function (msg) {\n            errorImpl(key, msg);\n          } : errorImpl;\n        }\n\n        errorHandler[key] = fn && function (msg) {\n          fn('[xmldom ' + key + ']\\t' + msg + _locator(locator));\n        } || function () {};\n      }\n\n      build('warning');\n      build('error');\n      build('fatalError');\n      return errorHandler;\n    } //console.log('#\\n\\n\\n\\n\\n\\n\\n####')\n\n    /**\n     * +ContentHandler+ErrorHandler\n     * +LexicalHandler+EntityResolver2\n     * -DeclHandler-DTDHandler\n     *\n     * DefaultHandler:EntityResolver, DTDHandler, ContentHandler, ErrorHandler\n     * DefaultHandler2:DefaultHandler,LexicalHandler, DeclHandler, EntityResolver2\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/helpers/DefaultHandler.html\n     */\n\n\n    function DOMHandler() {\n      this.cdata = false;\n    }\n\n    function position(locator, node) {\n      node.lineNumber = locator.lineNumber;\n      node.columnNumber = locator.columnNumber;\n    }\n    /**\n     * @see org.xml.sax.ContentHandler#startDocument\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ContentHandler.html\n     */\n\n\n    DOMHandler.prototype = {\n      startDocument: function startDocument() {\n        this.doc = new DOMImplementation().createDocument(null, null, null);\n\n        if (this.locator) {\n          this.doc.documentURI = this.locator.systemId;\n        }\n      },\n      startElement: function startElement(namespaceURI, localName, qName, attrs) {\n        var doc = this.doc;\n        var el = doc.createElementNS(namespaceURI, qName || localName);\n        var len = attrs.length;\n        appendElement(this, el);\n        this.currentElement = el;\n        this.locator && position(this.locator, el);\n\n        for (var i = 0; i < len; i++) {\n          var namespaceURI = attrs.getURI(i);\n          var value = attrs.getValue(i);\n          var qName = attrs.getQName(i);\n          var attr = doc.createAttributeNS(namespaceURI, qName);\n          this.locator && position(attrs.getLocator(i), attr);\n          attr.value = attr.nodeValue = value;\n          el.setAttributeNode(attr);\n        }\n      },\n      endElement: function endElement(namespaceURI, localName, qName) {\n        var current = this.currentElement;\n        var tagName = current.tagName;\n        this.currentElement = current.parentNode;\n      },\n      startPrefixMapping: function startPrefixMapping(prefix, uri) {},\n      endPrefixMapping: function endPrefixMapping(prefix) {},\n      processingInstruction: function processingInstruction(target, data) {\n        var ins = this.doc.createProcessingInstruction(target, data);\n        this.locator && position(this.locator, ins);\n        appendElement(this, ins);\n      },\n      ignorableWhitespace: function ignorableWhitespace(ch, start, length) {},\n      characters: function characters(chars, start, length) {\n        chars = _toString.apply(this, arguments); //console.log(chars)\n\n        if (chars) {\n          if (this.cdata) {\n            var charNode = this.doc.createCDATASection(chars);\n          } else {\n            var charNode = this.doc.createTextNode(chars);\n          }\n\n          if (this.currentElement) {\n            this.currentElement.appendChild(charNode);\n          } else if (/^\\s*$/.test(chars)) {\n            this.doc.appendChild(charNode); //process xml\n          }\n\n          this.locator && position(this.locator, charNode);\n        }\n      },\n      skippedEntity: function skippedEntity(name) {},\n      endDocument: function endDocument() {\n        this.doc.normalize();\n      },\n      setDocumentLocator: function setDocumentLocator(locator) {\n        if (this.locator = locator) {\n          // && !('lineNumber' in locator)){\n          locator.lineNumber = 0;\n        }\n      },\n      //LexicalHandler\n      comment: function comment(chars, start, length) {\n        chars = _toString.apply(this, arguments);\n        var comm = this.doc.createComment(chars);\n        this.locator && position(this.locator, comm);\n        appendElement(this, comm);\n      },\n      startCDATA: function startCDATA() {\n        //used in characters() methods\n        this.cdata = true;\n      },\n      endCDATA: function endCDATA() {\n        this.cdata = false;\n      },\n      startDTD: function startDTD(name, publicId, systemId) {\n        var impl = this.doc.implementation;\n\n        if (impl && impl.createDocumentType) {\n          var dt = impl.createDocumentType(name, publicId, systemId);\n          this.locator && position(this.locator, dt);\n          appendElement(this, dt);\n        }\n      },\n\n      /**\n       * @see org.xml.sax.ErrorHandler\n       * @link http://www.saxproject.org/apidoc/org/xml/sax/ErrorHandler.html\n       */\n      warning: function warning(error) {\n        console.warn('[xmldom warning]\\t' + error, _locator(this.locator));\n      },\n      error: function error(_error) {\n        console.error('[xmldom error]\\t' + _error, _locator(this.locator));\n      },\n      fatalError: function fatalError(error) {\n        console.error('[xmldom fatalError]\\t' + error, _locator(this.locator));\n        throw error;\n      }\n    };\n\n    function _locator(l) {\n      if (l) {\n        return '\\n@' + (l.systemId || '') + '#[line:' + l.lineNumber + ',col:' + l.columnNumber + ']';\n      }\n    }\n\n    function _toString(chars, start, length) {\n      if (typeof chars == 'string') {\n        return chars.substr(start, length);\n      } else {\n        //java sax connect width xmldom on rhino(what about: \"? && !(chars instanceof String)\")\n        if (chars.length >= start + length || start) {\n          return new java.lang.String(chars, start, length) + '';\n        }\n\n        return chars;\n      }\n    }\n    /*\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/LexicalHandler.html\n     * used method of org.xml.sax.ext.LexicalHandler:\n     *  #comment(chars, start, length)\n     *  #startCDATA()\n     *  #endCDATA()\n     *  #startDTD(name, publicId, systemId)\n     *\n     *\n     * IGNORED method of org.xml.sax.ext.LexicalHandler:\n     *  #endDTD()\n     *  #startEntity(name)\n     *  #endEntity(name)\n     *\n     *\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/DeclHandler.html\n     * IGNORED method of org.xml.sax.ext.DeclHandler\n     * \t#attributeDecl(eName, aName, type, mode, value)\n     *  #elementDecl(name, model)\n     *  #externalEntityDecl(name, publicId, systemId)\n     *  #internalEntityDecl(name, value)\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/EntityResolver2.html\n     * IGNORED method of org.xml.sax.EntityResolver2\n     *  #resolveEntity(String name,String publicId,String baseURI,String systemId)\n     *  #resolveEntity(publicId, systemId)\n     *  #getExternalSubset(name, baseURI)\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/DTDHandler.html\n     * IGNORED method of org.xml.sax.DTDHandler\n     *  #notationDecl(name, publicId, systemId) {};\n     *  #unparsedEntityDecl(name, publicId, systemId, notationName) {};\n     */\n\n\n    \"endDTD,startEntity,endEntity,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,resolveEntity,getExternalSubset,notationDecl,unparsedEntityDecl\".replace(/\\w+/g, function (key) {\n      DOMHandler.prototype[key] = function () {\n        return null;\n      };\n    });\n    /* Private static helpers treated below as private instance methods, so don't need to add these to the public API; we might use a Relator to also get rid of non-standard public properties */\n\n    function appendElement(hander, node) {\n      if (!hander.currentElement) {\n        hander.doc.appendChild(node);\n      } else {\n        hander.currentElement.appendChild(node);\n      }\n    } //appendChild and setAttributeNS are preformance key\n    //if(typeof require == 'function'){\n\n\n    var XMLReader = sax.XMLReader;\n    var DOMImplementation = exports.DOMImplementation = dom.DOMImplementation;\n    exports.XMLSerializer = dom.XMLSerializer;\n    exports.DOMParser = DOMParser; //}\n  });\n  var domParser_1 = domParser.DOMImplementation;\n  var domParser_2 = domParser.XMLSerializer;\n  var domParser_3 = domParser.DOMParser;\n\n  /*! @name mpd-parser @version 0.10.0 @license Apache-2.0 */\n\n  var isObject$1 = function isObject(obj) {\n    return !!obj && typeof obj === 'object';\n  };\n\n  var merge = function merge() {\n    for (var _len = arguments.length, objects = new Array(_len), _key = 0; _key < _len; _key++) {\n      objects[_key] = arguments[_key];\n    }\n\n    return objects.reduce(function (result, source) {\n      Object.keys(source).forEach(function (key) {\n        if (Array.isArray(result[key]) && Array.isArray(source[key])) {\n          result[key] = result[key].concat(source[key]);\n        } else if (isObject$1(result[key]) && isObject$1(source[key])) {\n          result[key] = merge(result[key], source[key]);\n        } else {\n          result[key] = source[key];\n        }\n      });\n      return result;\n    }, {});\n  };\n\n  var values = function values(o) {\n    return Object.keys(o).map(function (k) {\n      return o[k];\n    });\n  };\n\n  var range = function range(start, end) {\n    var result = [];\n\n    for (var i = start; i < end; i++) {\n      result.push(i);\n    }\n\n    return result;\n  };\n\n  var flatten = function flatten(lists) {\n    return lists.reduce(function (x, y) {\n      return x.concat(y);\n    }, []);\n  };\n\n  var from = function from(list) {\n    if (!list.length) {\n      return [];\n    }\n\n    var result = [];\n\n    for (var i = 0; i < list.length; i++) {\n      result.push(list[i]);\n    }\n\n    return result;\n  };\n\n  var findIndexes = function findIndexes(l, key) {\n    return l.reduce(function (a, e, i) {\n      if (e[key]) {\n        a.push(i);\n      }\n\n      return a;\n    }, []);\n  };\n\n  var errors = {\n    INVALID_NUMBER_OF_PERIOD: 'INVALID_NUMBER_OF_PERIOD',\n    DASH_EMPTY_MANIFEST: 'DASH_EMPTY_MANIFEST',\n    DASH_INVALID_XML: 'DASH_INVALID_XML',\n    NO_BASE_URL: 'NO_BASE_URL',\n    MISSING_SEGMENT_INFORMATION: 'MISSING_SEGMENT_INFORMATION',\n    SEGMENT_TIME_UNSPECIFIED: 'SEGMENT_TIME_UNSPECIFIED',\n    UNSUPPORTED_UTC_TIMING_SCHEME: 'UNSUPPORTED_UTC_TIMING_SCHEME'\n  };\n  /**\n   * @typedef {Object} SingleUri\n   * @property {string} uri - relative location of segment\n   * @property {string} resolvedUri - resolved location of segment\n   * @property {Object} byterange - Object containing information on how to make byte range\n   *   requests following byte-range-spec per RFC2616.\n   * @property {String} byterange.length - length of range request\n   * @property {String} byterange.offset - byte offset of range request\n   *\n   * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.1\n   */\n\n  /**\n   * Converts a URLType node (5.3.9.2.3 Table 13) to a segment object\n   * that conforms to how m3u8-parser is structured\n   *\n   * @see https://github.com/videojs/m3u8-parser\n   *\n   * @param {string} baseUrl - baseUrl provided by <BaseUrl> nodes\n   * @param {string} source - source url for segment\n   * @param {string} range - optional range used for range calls,\n   *   follows  RFC 2616, Clause 14.35.1\n   * @return {SingleUri} full segment information transformed into a format similar\n   *   to m3u8-parser\n   */\n\n  var urlTypeToSegment = function urlTypeToSegment(_ref) {\n    var _ref$baseUrl = _ref.baseUrl,\n        baseUrl = _ref$baseUrl === void 0 ? '' : _ref$baseUrl,\n        _ref$source = _ref.source,\n        source = _ref$source === void 0 ? '' : _ref$source,\n        _ref$range = _ref.range,\n        range = _ref$range === void 0 ? '' : _ref$range,\n        _ref$indexRange = _ref.indexRange,\n        indexRange = _ref$indexRange === void 0 ? '' : _ref$indexRange;\n    var segment = {\n      uri: source,\n      resolvedUri: resolveUrl_1(baseUrl || '', source)\n    };\n\n    if (range || indexRange) {\n      var rangeStr = range ? range : indexRange;\n      var ranges = rangeStr.split('-');\n      var startRange = parseInt(ranges[0], 10);\n      var endRange = parseInt(ranges[1], 10); // byterange should be inclusive according to\n      // RFC 2616, Clause 14.35.1\n\n      segment.byterange = {\n        length: endRange - startRange + 1,\n        offset: startRange\n      };\n    }\n\n    return segment;\n  };\n\n  var byteRangeToString = function byteRangeToString(byterange) {\n    // `endRange` is one less than `offset + length` because the HTTP range\n    // header uses inclusive ranges\n    var endRange = byterange.offset + byterange.length - 1;\n    return byterange.offset + \"-\" + endRange;\n  };\n  /**\n   * Functions for calculating the range of available segments in static and dynamic\n   * manifests.\n   */\n\n\n  var segmentRange = {\n    /**\n     * Returns the entire range of available segments for a static MPD\n     *\n     * @param {Object} attributes\n     *        Inheritied MPD attributes\n     * @return {{ start: number, end: number }}\n     *         The start and end numbers for available segments\n     */\n    \"static\": function _static(attributes) {\n      var duration = attributes.duration,\n          _attributes$timescale = attributes.timescale,\n          timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n          sourceDuration = attributes.sourceDuration;\n      return {\n        start: 0,\n        end: Math.ceil(sourceDuration / (duration / timescale))\n      };\n    },\n\n    /**\n     * Returns the current live window range of available segments for a dynamic MPD\n     *\n     * @param {Object} attributes\n     *        Inheritied MPD attributes\n     * @return {{ start: number, end: number }}\n     *         The start and end numbers for available segments\n     */\n    dynamic: function dynamic(attributes) {\n      var NOW = attributes.NOW,\n          clientOffset = attributes.clientOffset,\n          availabilityStartTime = attributes.availabilityStartTime,\n          _attributes$timescale2 = attributes.timescale,\n          timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,\n          duration = attributes.duration,\n          _attributes$start = attributes.start,\n          start = _attributes$start === void 0 ? 0 : _attributes$start,\n          _attributes$minimumUp = attributes.minimumUpdatePeriod,\n          minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp,\n          _attributes$timeShift = attributes.timeShiftBufferDepth,\n          timeShiftBufferDepth = _attributes$timeShift === void 0 ? Infinity : _attributes$timeShift;\n      var now = (NOW + clientOffset) / 1000;\n      var periodStartWC = availabilityStartTime + start;\n      var periodEndWC = now + minimumUpdatePeriod;\n      var periodDuration = periodEndWC - periodStartWC;\n      var segmentCount = Math.ceil(periodDuration * timescale / duration);\n      var availableStart = Math.floor((now - periodStartWC - timeShiftBufferDepth) * timescale / duration);\n      var availableEnd = Math.floor((now - periodStartWC) * timescale / duration);\n      return {\n        start: Math.max(0, availableStart),\n        end: Math.min(segmentCount, availableEnd)\n      };\n    }\n  };\n  /**\n   * Maps a range of numbers to objects with information needed to build the corresponding\n   * segment list\n   *\n   * @name toSegmentsCallback\n   * @function\n   * @param {number} number\n   *        Number of the segment\n   * @param {number} index\n   *        Index of the number in the range list\n   * @return {{ number: Number, duration: Number, timeline: Number, time: Number }}\n   *         Object with segment timing and duration info\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping a range of numbers to\n   * information needed to build the segment list.\n   *\n   * @param {Object} attributes\n   *        Inherited MPD attributes\n   * @return {toSegmentsCallback}\n   *         Callback map function\n   */\n\n  var toSegments = function toSegments(attributes) {\n    return function (number, index) {\n      var duration = attributes.duration,\n          _attributes$timescale3 = attributes.timescale,\n          timescale = _attributes$timescale3 === void 0 ? 1 : _attributes$timescale3,\n          periodIndex = attributes.periodIndex,\n          _attributes$startNumb = attributes.startNumber,\n          startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb;\n      return {\n        number: startNumber + number,\n        duration: duration / timescale,\n        timeline: periodIndex,\n        time: index * duration\n      };\n    };\n  };\n  /**\n   * Returns a list of objects containing segment timing and duration info used for\n   * building the list of segments. This uses the @duration attribute specified\n   * in the MPD manifest to derive the range of segments.\n   *\n   * @param {Object} attributes\n   *        Inherited MPD attributes\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseByDuration = function parseByDuration(attributes) {\n    var _attributes$type = attributes.type,\n        type = _attributes$type === void 0 ? 'static' : _attributes$type,\n        duration = attributes.duration,\n        _attributes$timescale4 = attributes.timescale,\n        timescale = _attributes$timescale4 === void 0 ? 1 : _attributes$timescale4,\n        sourceDuration = attributes.sourceDuration;\n\n    var _segmentRange$type = segmentRange[type](attributes),\n        start = _segmentRange$type.start,\n        end = _segmentRange$type.end;\n\n    var segments = range(start, end).map(toSegments(attributes));\n\n    if (type === 'static') {\n      var index = segments.length - 1; // final segment may be less than full segment duration\n\n      segments[index].duration = sourceDuration - duration / timescale * index;\n    }\n\n    return segments;\n  };\n  /**\n   * Translates SegmentBase into a set of segments.\n   * (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes.  Each\n   * node should be translated into segment.\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @return {Object.<Array>} list of segments\n   */\n\n\n  var segmentsFromBase = function segmentsFromBase(attributes) {\n    var baseUrl = attributes.baseUrl,\n        _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ,\n        sourceDuration = attributes.sourceDuration,\n        _attributes$timescale = attributes.timescale,\n        timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n        _attributes$indexRang = attributes.indexRange,\n        indexRange = _attributes$indexRang === void 0 ? '' : _attributes$indexRang,\n        duration = attributes.duration; // base url is required for SegmentBase to work, per spec (Section 5.3.9.2.1)\n\n    if (!baseUrl) {\n      throw new Error(errors.NO_BASE_URL);\n    }\n\n    var initSegment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: initialization.sourceURL,\n      range: initialization.range\n    });\n    var segment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: baseUrl,\n      indexRange: indexRange\n    });\n    segment.map = initSegment; // If there is a duration, use it, otherwise use the given duration of the source\n    // (since SegmentBase is only for one total segment)\n\n    if (duration) {\n      var segmentTimeInfo = parseByDuration(attributes);\n\n      if (segmentTimeInfo.length) {\n        segment.duration = segmentTimeInfo[0].duration;\n        segment.timeline = segmentTimeInfo[0].timeline;\n      }\n    } else if (sourceDuration) {\n      segment.duration = sourceDuration / timescale;\n      segment.timeline = 0;\n    } // This is used for mediaSequence\n\n\n    segment.number = 0;\n    return [segment];\n  };\n  /**\n   * Given a playlist, a sidx box, and a baseUrl, update the segment list of the playlist\n   * according to the sidx information given.\n   *\n   * playlist.sidx has metadadata about the sidx where-as the sidx param\n   * is the parsed sidx box itself.\n   *\n   * @param {Object} playlist the playlist to update the sidx information for\n   * @param {Object} sidx the parsed sidx box\n   * @return {Object} the playlist object with the updated sidx information\n   */\n\n\n  var addSegmentsToPlaylist = function addSegmentsToPlaylist(playlist, sidx, baseUrl) {\n    // Retain init segment information\n    var initSegment = playlist.sidx.map ? playlist.sidx.map : null; // Retain source duration from initial master manifest parsing\n\n    var sourceDuration = playlist.sidx.duration; // Retain source timeline\n\n    var timeline = playlist.timeline || 0;\n    var sidxByteRange = playlist.sidx.byterange;\n    var sidxEnd = sidxByteRange.offset + sidxByteRange.length; // Retain timescale of the parsed sidx\n\n    var timescale = sidx.timescale; // referenceType 1 refers to other sidx boxes\n\n    var mediaReferences = sidx.references.filter(function (r) {\n      return r.referenceType !== 1;\n    });\n    var segments = []; // firstOffset is the offset from the end of the sidx box\n\n    var startIndex = sidxEnd + sidx.firstOffset;\n\n    for (var i = 0; i < mediaReferences.length; i++) {\n      var reference = sidx.references[i]; // size of the referenced (sub)segment\n\n      var size = reference.referencedSize; // duration of the referenced (sub)segment, in  the  timescale\n      // this will be converted to seconds when generating segments\n\n      var duration = reference.subsegmentDuration; // should be an inclusive range\n\n      var endIndex = startIndex + size - 1;\n      var indexRange = startIndex + \"-\" + endIndex;\n      var attributes = {\n        baseUrl: baseUrl,\n        timescale: timescale,\n        timeline: timeline,\n        // this is used in parseByDuration\n        periodIndex: timeline,\n        duration: duration,\n        sourceDuration: sourceDuration,\n        indexRange: indexRange\n      };\n      var segment = segmentsFromBase(attributes)[0];\n\n      if (initSegment) {\n        segment.map = initSegment;\n      }\n\n      segments.push(segment);\n      startIndex += size;\n    }\n\n    playlist.segments = segments;\n    return playlist;\n  };\n\n  var mergeDiscontiguousPlaylists = function mergeDiscontiguousPlaylists(playlists) {\n    var mergedPlaylists = values(playlists.reduce(function (acc, playlist) {\n      // assuming playlist IDs are the same across periods\n      // TODO: handle multiperiod where representation sets are not the same\n      // across periods\n      var name = playlist.attributes.id + (playlist.attributes.lang || ''); // Periods after first\n\n      if (acc[name]) {\n        var _acc$name$segments; // first segment of subsequent periods signal a discontinuity\n\n\n        if (playlist.segments[0]) {\n          playlist.segments[0].discontinuity = true;\n        }\n\n        (_acc$name$segments = acc[name].segments).push.apply(_acc$name$segments, playlist.segments); // bubble up contentProtection, this assumes all DRM content\n        // has the same contentProtection\n\n\n        if (playlist.attributes.contentProtection) {\n          acc[name].attributes.contentProtection = playlist.attributes.contentProtection;\n        }\n      } else {\n        // first Period\n        acc[name] = playlist;\n      }\n\n      return acc;\n    }, {}));\n    return mergedPlaylists.map(function (playlist) {\n      playlist.discontinuityStarts = findIndexes(playlist.segments, 'discontinuity');\n      return playlist;\n    });\n  };\n\n  var addSegmentInfoFromSidx = function addSegmentInfoFromSidx(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    if (!Object.keys(sidxMapping).length) {\n      return playlists;\n    }\n\n    for (var i in playlists) {\n      var playlist = playlists[i];\n\n      if (!playlist.sidx) {\n        continue;\n      }\n\n      var sidxKey = playlist.sidx.uri + '-' + byteRangeToString(playlist.sidx.byterange);\n      var sidxMatch = sidxMapping[sidxKey] && sidxMapping[sidxKey].sidx;\n\n      if (playlist.sidx && sidxMatch) {\n        addSegmentsToPlaylist(playlist, sidxMatch, playlist.sidx.resolvedUri);\n      }\n    }\n\n    return playlists;\n  };\n\n  var formatAudioPlaylist = function formatAudioPlaylist(_ref) {\n    var _attributes;\n\n    var attributes = _ref.attributes,\n        segments = _ref.segments,\n        sidx = _ref.sidx;\n    var playlist = {\n      attributes: (_attributes = {\n        NAME: attributes.id,\n        BANDWIDTH: attributes.bandwidth,\n        CODECS: attributes.codecs\n      }, _attributes['PROGRAM-ID'] = 1, _attributes),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n\n    if (attributes.contentProtection) {\n      playlist.contentProtection = attributes.contentProtection;\n    }\n\n    if (sidx) {\n      playlist.sidx = sidx;\n    }\n\n    return playlist;\n  };\n\n  var formatVttPlaylist = function formatVttPlaylist(_ref2) {\n    var _attributes2;\n\n    var attributes = _ref2.attributes,\n        segments = _ref2.segments;\n\n    if (typeof segments === 'undefined') {\n      // vtt tracks may use single file in BaseURL\n      segments = [{\n        uri: attributes.baseUrl,\n        timeline: attributes.periodIndex,\n        resolvedUri: attributes.baseUrl || '',\n        duration: attributes.sourceDuration,\n        number: 0\n      }]; // targetDuration should be the same duration as the only segment\n\n      attributes.duration = attributes.sourceDuration;\n    }\n\n    return {\n      attributes: (_attributes2 = {\n        NAME: attributes.id,\n        BANDWIDTH: attributes.bandwidth\n      }, _attributes2['PROGRAM-ID'] = 1, _attributes2),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: attributes.baseUrl || '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n  };\n\n  var organizeAudioPlaylists = function organizeAudioPlaylists(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    var mainPlaylist;\n    var formattedPlaylists = playlists.reduce(function (a, playlist) {\n      var role = playlist.attributes.role && playlist.attributes.role.value || '';\n      var language = playlist.attributes.lang || '';\n      var label = 'main';\n\n      if (language) {\n        var roleLabel = role ? \" (\" + role + \")\" : '';\n        label = \"\" + playlist.attributes.lang + roleLabel;\n      } // skip if we already have the highest quality audio for a language\n\n\n      if (a[label] && a[label].playlists[0].attributes.BANDWIDTH > playlist.attributes.bandwidth) {\n        return a;\n      }\n\n      a[label] = {\n        language: language,\n        autoselect: true,\n        \"default\": role === 'main',\n        playlists: addSegmentInfoFromSidx([formatAudioPlaylist(playlist)], sidxMapping),\n        uri: ''\n      };\n\n      if (typeof mainPlaylist === 'undefined' && role === 'main') {\n        mainPlaylist = playlist;\n        mainPlaylist[\"default\"] = true;\n      }\n\n      return a;\n    }, {}); // if no playlists have role \"main\", mark the first as main\n\n    if (!mainPlaylist) {\n      var firstLabel = Object.keys(formattedPlaylists)[0];\n      formattedPlaylists[firstLabel][\"default\"] = true;\n    }\n\n    return formattedPlaylists;\n  };\n\n  var organizeVttPlaylists = function organizeVttPlaylists(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    return playlists.reduce(function (a, playlist) {\n      var label = playlist.attributes.lang || 'text'; // skip if we already have subtitles\n\n      if (a[label]) {\n        return a;\n      }\n\n      a[label] = {\n        language: label,\n        \"default\": false,\n        autoselect: false,\n        playlists: addSegmentInfoFromSidx([formatVttPlaylist(playlist)], sidxMapping),\n        uri: ''\n      };\n      return a;\n    }, {});\n  };\n\n  var formatVideoPlaylist = function formatVideoPlaylist(_ref3) {\n    var _attributes3;\n\n    var attributes = _ref3.attributes,\n        segments = _ref3.segments,\n        sidx = _ref3.sidx;\n    var playlist = {\n      attributes: (_attributes3 = {\n        NAME: attributes.id,\n        AUDIO: 'audio',\n        SUBTITLES: 'subs',\n        RESOLUTION: {\n          width: attributes.width,\n          height: attributes.height\n        },\n        CODECS: attributes.codecs,\n        BANDWIDTH: attributes.bandwidth\n      }, _attributes3['PROGRAM-ID'] = 1, _attributes3),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n\n    if (attributes.contentProtection) {\n      playlist.contentProtection = attributes.contentProtection;\n    }\n\n    if (sidx) {\n      playlist.sidx = sidx;\n    }\n\n    return playlist;\n  };\n\n  var toM3u8 = function toM3u8(dashPlaylists, sidxMapping) {\n    var _mediaGroups;\n\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    if (!dashPlaylists.length) {\n      return {};\n    } // grab all master attributes\n\n\n    var _dashPlaylists$0$attr = dashPlaylists[0].attributes,\n        duration = _dashPlaylists$0$attr.sourceDuration,\n        _dashPlaylists$0$attr2 = _dashPlaylists$0$attr.type,\n        type = _dashPlaylists$0$attr2 === void 0 ? 'static' : _dashPlaylists$0$attr2,\n        suggestedPresentationDelay = _dashPlaylists$0$attr.suggestedPresentationDelay,\n        _dashPlaylists$0$attr3 = _dashPlaylists$0$attr.minimumUpdatePeriod,\n        minimumUpdatePeriod = _dashPlaylists$0$attr3 === void 0 ? 0 : _dashPlaylists$0$attr3;\n\n    var videoOnly = function videoOnly(_ref4) {\n      var attributes = _ref4.attributes;\n      return attributes.mimeType === 'video/mp4' || attributes.contentType === 'video';\n    };\n\n    var audioOnly = function audioOnly(_ref5) {\n      var attributes = _ref5.attributes;\n      return attributes.mimeType === 'audio/mp4' || attributes.contentType === 'audio';\n    };\n\n    var vttOnly = function vttOnly(_ref6) {\n      var attributes = _ref6.attributes;\n      return attributes.mimeType === 'text/vtt' || attributes.contentType === 'text';\n    };\n\n    var videoPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(videoOnly)).map(formatVideoPlaylist);\n    var audioPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(audioOnly));\n    var vttPlaylists = dashPlaylists.filter(vttOnly);\n    var master = {\n      allowCache: true,\n      discontinuityStarts: [],\n      segments: [],\n      endList: true,\n      mediaGroups: (_mediaGroups = {\n        AUDIO: {},\n        VIDEO: {}\n      }, _mediaGroups['CLOSED-CAPTIONS'] = {}, _mediaGroups.SUBTITLES = {}, _mediaGroups),\n      uri: '',\n      duration: duration,\n      playlists: addSegmentInfoFromSidx(videoPlaylists, sidxMapping),\n      minimumUpdatePeriod: minimumUpdatePeriod * 1000\n    };\n\n    if (type === 'dynamic') {\n      master.suggestedPresentationDelay = suggestedPresentationDelay;\n    }\n\n    if (audioPlaylists.length) {\n      master.mediaGroups.AUDIO.audio = organizeAudioPlaylists(audioPlaylists, sidxMapping);\n    }\n\n    if (vttPlaylists.length) {\n      master.mediaGroups.SUBTITLES.subs = organizeVttPlaylists(vttPlaylists, sidxMapping);\n    }\n\n    return master;\n  };\n  /**\n   * Calculates the R (repetition) value for a live stream (for the final segment\n   * in a manifest where the r value is negative 1)\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {number} time\n   *        current time (typically the total time up until the final segment)\n   * @param {number} duration\n   *        duration property for the given <S />\n   *\n   * @return {number}\n   *        R value to reach the end of the given period\n   */\n\n\n  var getLiveRValue = function getLiveRValue(attributes, time, duration) {\n    var NOW = attributes.NOW,\n        clientOffset = attributes.clientOffset,\n        availabilityStartTime = attributes.availabilityStartTime,\n        _attributes$timescale = attributes.timescale,\n        timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n        _attributes$start = attributes.start,\n        start = _attributes$start === void 0 ? 0 : _attributes$start,\n        _attributes$minimumUp = attributes.minimumUpdatePeriod,\n        minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp;\n    var now = (NOW + clientOffset) / 1000;\n    var periodStartWC = availabilityStartTime + start;\n    var periodEndWC = now + minimumUpdatePeriod;\n    var periodDuration = periodEndWC - periodStartWC;\n    return Math.ceil((periodDuration * timescale - time) / duration);\n  };\n  /**\n   * Uses information provided by SegmentTemplate.SegmentTimeline to determine segment\n   * timing and duration\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseByTimeline = function parseByTimeline(attributes, segmentTimeline) {\n    var _attributes$type = attributes.type,\n        type = _attributes$type === void 0 ? 'static' : _attributes$type,\n        _attributes$minimumUp2 = attributes.minimumUpdatePeriod,\n        minimumUpdatePeriod = _attributes$minimumUp2 === void 0 ? 0 : _attributes$minimumUp2,\n        _attributes$media = attributes.media,\n        media = _attributes$media === void 0 ? '' : _attributes$media,\n        sourceDuration = attributes.sourceDuration,\n        _attributes$timescale2 = attributes.timescale,\n        timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,\n        _attributes$startNumb = attributes.startNumber,\n        startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb,\n        timeline = attributes.periodIndex;\n    var segments = [];\n    var time = -1;\n\n    for (var sIndex = 0; sIndex < segmentTimeline.length; sIndex++) {\n      var S = segmentTimeline[sIndex];\n      var duration = S.d;\n      var repeat = S.r || 0;\n      var segmentTime = S.t || 0;\n\n      if (time < 0) {\n        // first segment\n        time = segmentTime;\n      }\n\n      if (segmentTime && segmentTime > time) {\n        // discontinuity\n        // TODO: How to handle this type of discontinuity\n        // timeline++ here would treat it like HLS discontuity and content would\n        // get appended without gap\n        // E.G.\n        //  <S t=\"0\" d=\"1\" />\n        //  <S d=\"1\" />\n        //  <S d=\"1\" />\n        //  <S t=\"5\" d=\"1\" />\n        // would have $Time$ values of [0, 1, 2, 5]\n        // should this be appened at time positions [0, 1, 2, 3],(#EXT-X-DISCONTINUITY)\n        // or [0, 1, 2, gap, gap, 5]? (#EXT-X-GAP)\n        // does the value of sourceDuration consider this when calculating arbitrary\n        // negative @r repeat value?\n        // E.G. Same elements as above with this added at the end\n        //  <S d=\"1\" r=\"-1\" />\n        //  with a sourceDuration of 10\n        // Would the 2 gaps be included in the time duration calculations resulting in\n        // 8 segments with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9] or 10 segments\n        // with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9, 10, 11] ?\n        time = segmentTime;\n      }\n\n      var count = void 0;\n\n      if (repeat < 0) {\n        var nextS = sIndex + 1;\n\n        if (nextS === segmentTimeline.length) {\n          // last segment\n          if (type === 'dynamic' && minimumUpdatePeriod > 0 && media.indexOf('$Number$') > 0) {\n            count = getLiveRValue(attributes, time, duration);\n          } else {\n            // TODO: This may be incorrect depending on conclusion of TODO above\n            count = (sourceDuration * timescale - time) / duration;\n          }\n        } else {\n          count = (segmentTimeline[nextS].t - time) / duration;\n        }\n      } else {\n        count = repeat + 1;\n      }\n\n      var end = startNumber + segments.length + count;\n      var number = startNumber + segments.length;\n\n      while (number < end) {\n        segments.push({\n          number: number,\n          duration: duration / timescale,\n          time: time,\n          timeline: timeline\n        });\n        time += duration;\n        number++;\n      }\n    }\n\n    return segments;\n  };\n\n  var identifierPattern = /\\$([A-z]*)(?:(%0)([0-9]+)d)?\\$/g;\n  /**\n   * Replaces template identifiers with corresponding values. To be used as the callback\n   * for String.prototype.replace\n   *\n   * @name replaceCallback\n   * @function\n   * @param {string} match\n   *        Entire match of identifier\n   * @param {string} identifier\n   *        Name of matched identifier\n   * @param {string} format\n   *        Format tag string. Its presence indicates that padding is expected\n   * @param {string} width\n   *        Desired length of the replaced value. Values less than this width shall be left\n   *        zero padded\n   * @return {string}\n   *         Replacement for the matched identifier\n   */\n\n  /**\n   * Returns a function to be used as a callback for String.prototype.replace to replace\n   * template identifiers\n   *\n   * @param {Obect} values\n   *        Object containing values that shall be used to replace known identifiers\n   * @param {number} values.RepresentationID\n   *        Value of the Representation@id attribute\n   * @param {number} values.Number\n   *        Number of the corresponding segment\n   * @param {number} values.Bandwidth\n   *        Value of the Representation@bandwidth attribute.\n   * @param {number} values.Time\n   *        Timestamp value of the corresponding segment\n   * @return {replaceCallback}\n   *         Callback to be used with String.prototype.replace to replace identifiers\n   */\n\n  var identifierReplacement = function identifierReplacement(values) {\n    return function (match, identifier, format, width) {\n      if (match === '$$') {\n        // escape sequence\n        return '$';\n      }\n\n      if (typeof values[identifier] === 'undefined') {\n        return match;\n      }\n\n      var value = '' + values[identifier];\n\n      if (identifier === 'RepresentationID') {\n        // Format tag shall not be present with RepresentationID\n        return value;\n      }\n\n      if (!format) {\n        width = 1;\n      } else {\n        width = parseInt(width, 10);\n      }\n\n      if (value.length >= width) {\n        return value;\n      }\n\n      return \"\" + new Array(width - value.length + 1).join('0') + value;\n    };\n  };\n  /**\n   * Constructs a segment url from a template string\n   *\n   * @param {string} url\n   *        Template string to construct url from\n   * @param {Obect} values\n   *        Object containing values that shall be used to replace known identifiers\n   * @param {number} values.RepresentationID\n   *        Value of the Representation@id attribute\n   * @param {number} values.Number\n   *        Number of the corresponding segment\n   * @param {number} values.Bandwidth\n   *        Value of the Representation@bandwidth attribute.\n   * @param {number} values.Time\n   *        Timestamp value of the corresponding segment\n   * @return {string}\n   *         Segment url with identifiers replaced\n   */\n\n\n  var constructTemplateUrl = function constructTemplateUrl(url, values) {\n    return url.replace(identifierPattern, identifierReplacement(values));\n  };\n  /**\n   * Generates a list of objects containing timing and duration information about each\n   * segment needed to generate segment uris and the complete segment object\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseTemplateInfo = function parseTemplateInfo(attributes, segmentTimeline) {\n    if (!attributes.duration && !segmentTimeline) {\n      // if neither @duration or SegmentTimeline are present, then there shall be exactly\n      // one media segment\n      return [{\n        number: attributes.startNumber || 1,\n        duration: attributes.sourceDuration,\n        time: 0,\n        timeline: attributes.periodIndex\n      }];\n    }\n\n    if (attributes.duration) {\n      return parseByDuration(attributes);\n    }\n\n    return parseByTimeline(attributes, segmentTimeline);\n  };\n  /**\n   * Generates a list of segments using information provided by the SegmentTemplate element\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {Object[]}\n   *         List of segment objects\n   */\n\n\n  var segmentsFromTemplate = function segmentsFromTemplate(attributes, segmentTimeline) {\n    var templateValues = {\n      RepresentationID: attributes.id,\n      Bandwidth: attributes.bandwidth || 0\n    };\n    var _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {\n      sourceURL: '',\n      range: ''\n    } : _attributes$initializ;\n    var mapSegment = urlTypeToSegment({\n      baseUrl: attributes.baseUrl,\n      source: constructTemplateUrl(initialization.sourceURL, templateValues),\n      range: initialization.range\n    });\n    var segments = parseTemplateInfo(attributes, segmentTimeline);\n    return segments.map(function (segment) {\n      templateValues.Number = segment.number;\n      templateValues.Time = segment.time;\n      var uri = constructTemplateUrl(attributes.media || '', templateValues);\n      return {\n        uri: uri,\n        timeline: segment.timeline,\n        duration: segment.duration,\n        resolvedUri: resolveUrl_1(attributes.baseUrl || '', uri),\n        map: mapSegment,\n        number: segment.number\n      };\n    });\n  };\n  /**\n   * Converts a <SegmentUrl> (of type URLType from the DASH spec 5.3.9.2 Table 14)\n   * to an object that matches the output of a segment in videojs/mpd-parser\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @param {Object} segmentUrl\n   *   <SegmentURL> node to translate into a segment object\n   * @return {Object} translated segment object\n   */\n\n\n  var SegmentURLToSegmentObject = function SegmentURLToSegmentObject(attributes, segmentUrl) {\n    var baseUrl = attributes.baseUrl,\n        _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ;\n    var initSegment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: initialization.sourceURL,\n      range: initialization.range\n    });\n    var segment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: segmentUrl.media,\n      range: segmentUrl.mediaRange\n    });\n    segment.map = initSegment;\n    return segment;\n  };\n  /**\n   * Generates a list of segments using information provided by the SegmentList element\n   * SegmentList (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes.  Each\n   * node should be translated into segment.\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {Object.<Array>} list of segments\n   */\n\n\n  var segmentsFromList = function segmentsFromList(attributes, segmentTimeline) {\n    var duration = attributes.duration,\n        _attributes$segmentUr = attributes.segmentUrls,\n        segmentUrls = _attributes$segmentUr === void 0 ? [] : _attributes$segmentUr; // Per spec (5.3.9.2.1) no way to determine segment duration OR\n    // if both SegmentTimeline and @duration are defined, it is outside of spec.\n\n    if (!duration && !segmentTimeline || duration && segmentTimeline) {\n      throw new Error(errors.SEGMENT_TIME_UNSPECIFIED);\n    }\n\n    var segmentUrlMap = segmentUrls.map(function (segmentUrlObject) {\n      return SegmentURLToSegmentObject(attributes, segmentUrlObject);\n    });\n    var segmentTimeInfo;\n\n    if (duration) {\n      segmentTimeInfo = parseByDuration(attributes);\n    }\n\n    if (segmentTimeline) {\n      segmentTimeInfo = parseByTimeline(attributes, segmentTimeline);\n    }\n\n    var segments = segmentTimeInfo.map(function (segmentTime, index) {\n      if (segmentUrlMap[index]) {\n        var segment = segmentUrlMap[index];\n        segment.timeline = segmentTime.timeline;\n        segment.duration = segmentTime.duration;\n        segment.number = segmentTime.number;\n        return segment;\n      } // Since we're mapping we should get rid of any blank segments (in case\n      // the given SegmentTimeline is handling for more elements than we have\n      // SegmentURLs for).\n\n    }).filter(function (segment) {\n      return segment;\n    });\n    return segments;\n  };\n\n  var generateSegments = function generateSegments(_ref) {\n    var attributes = _ref.attributes,\n        segmentInfo = _ref.segmentInfo;\n    var segmentAttributes;\n    var segmentsFn;\n\n    if (segmentInfo.template) {\n      segmentsFn = segmentsFromTemplate;\n      segmentAttributes = merge(attributes, segmentInfo.template);\n    } else if (segmentInfo.base) {\n      segmentsFn = segmentsFromBase;\n      segmentAttributes = merge(attributes, segmentInfo.base);\n    } else if (segmentInfo.list) {\n      segmentsFn = segmentsFromList;\n      segmentAttributes = merge(attributes, segmentInfo.list);\n    }\n\n    var segmentsInfo = {\n      attributes: attributes\n    };\n\n    if (!segmentsFn) {\n      return segmentsInfo;\n    }\n\n    var segments = segmentsFn(segmentAttributes, segmentInfo.timeline); // The @duration attribute will be used to determin the playlist's targetDuration which\n    // must be in seconds. Since we've generated the segment list, we no longer need\n    // @duration to be in @timescale units, so we can convert it here.\n\n    if (segmentAttributes.duration) {\n      var _segmentAttributes = segmentAttributes,\n          duration = _segmentAttributes.duration,\n          _segmentAttributes$ti = _segmentAttributes.timescale,\n          timescale = _segmentAttributes$ti === void 0 ? 1 : _segmentAttributes$ti;\n      segmentAttributes.duration = duration / timescale;\n    } else if (segments.length) {\n      // if there is no @duration attribute, use the largest segment duration as\n      // as target duration\n      segmentAttributes.duration = segments.reduce(function (max, segment) {\n        return Math.max(max, Math.ceil(segment.duration));\n      }, 0);\n    } else {\n      segmentAttributes.duration = 0;\n    }\n\n    segmentsInfo.attributes = segmentAttributes;\n    segmentsInfo.segments = segments; // This is a sidx box without actual segment information\n\n    if (segmentInfo.base && segmentAttributes.indexRange) {\n      segmentsInfo.sidx = segments[0];\n      segmentsInfo.segments = [];\n    }\n\n    return segmentsInfo;\n  };\n\n  var toPlaylists = function toPlaylists(representations) {\n    return representations.map(generateSegments);\n  };\n\n  var findChildren = function findChildren(element, name) {\n    return from(element.childNodes).filter(function (_ref) {\n      var tagName = _ref.tagName;\n      return tagName === name;\n    });\n  };\n\n  var getContent = function getContent(element) {\n    return element.textContent.trim();\n  };\n\n  var parseDuration = function parseDuration(str) {\n    var SECONDS_IN_YEAR = 365 * 24 * 60 * 60;\n    var SECONDS_IN_MONTH = 30 * 24 * 60 * 60;\n    var SECONDS_IN_DAY = 24 * 60 * 60;\n    var SECONDS_IN_HOUR = 60 * 60;\n    var SECONDS_IN_MIN = 60; // P10Y10M10DT10H10M10.1S\n\n    var durationRegex = /P(?:(\\d*)Y)?(?:(\\d*)M)?(?:(\\d*)D)?(?:T(?:(\\d*)H)?(?:(\\d*)M)?(?:([\\d.]*)S)?)?/;\n    var match = durationRegex.exec(str);\n\n    if (!match) {\n      return 0;\n    }\n\n    var _match$slice = match.slice(1),\n        year = _match$slice[0],\n        month = _match$slice[1],\n        day = _match$slice[2],\n        hour = _match$slice[3],\n        minute = _match$slice[4],\n        second = _match$slice[5];\n\n    return parseFloat(year || 0) * SECONDS_IN_YEAR + parseFloat(month || 0) * SECONDS_IN_MONTH + parseFloat(day || 0) * SECONDS_IN_DAY + parseFloat(hour || 0) * SECONDS_IN_HOUR + parseFloat(minute || 0) * SECONDS_IN_MIN + parseFloat(second || 0);\n  };\n\n  var parseDate = function parseDate(str) {\n    // Date format without timezone according to ISO 8601\n    // YYY-MM-DDThh:mm:ss.ssssss\n    var dateRegex = /^\\d+-\\d+-\\d+T\\d+:\\d+:\\d+(\\.\\d+)?$/; // If the date string does not specifiy a timezone, we must specifiy UTC. This is\n    // expressed by ending with 'Z'\n\n    if (dateRegex.test(str)) {\n      str += 'Z';\n    }\n\n    return Date.parse(str);\n  };\n\n  var parsers = {\n    /**\n     * Specifies the duration of the entire Media Presentation. Format is a duration string\n     * as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    mediaPresentationDuration: function mediaPresentationDuration(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the Segment availability start time for all Segments referred to in this\n     * MPD. For a dynamic manifest, it specifies the anchor for the earliest availability\n     * time. Format is a date string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The date as seconds from unix epoch\n     */\n    availabilityStartTime: function availabilityStartTime(value) {\n      return parseDate(value) / 1000;\n    },\n\n    /**\n     * Specifies the smallest period between potential changes to the MPD. Format is a\n     * duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    minimumUpdatePeriod: function minimumUpdatePeriod(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the suggested presentation delay. Format is a\n     * duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    suggestedPresentationDelay: function suggestedPresentationDelay(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * specifices the type of mpd. Can be either \"static\" or \"dynamic\"\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     *\n     * @return {string}\n     *         The type as a string\n     */\n    type: function type(value) {\n      return value;\n    },\n\n    /**\n     * Specifies the duration of the smallest time shifting buffer for any Representation\n     * in the MPD. Format is a duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    timeShiftBufferDepth: function timeShiftBufferDepth(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the PeriodStart time of the Period relative to the availabilityStarttime.\n     * Format is a duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    start: function start(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the width of the visual presentation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed width\n     */\n    width: function width(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the height of the visual presentation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed height\n     */\n    height: function height(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the bitrate of the representation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed bandwidth\n     */\n    bandwidth: function bandwidth(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the number of the first Media Segment in this Representation in the Period\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed number\n     */\n    startNumber: function startNumber(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the timescale in units per seconds\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The aprsed timescale\n     */\n    timescale: function timescale(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the constant approximate Segment duration\n     * NOTE: The <Period> element also contains an @duration attribute. This duration\n     *       specifies the duration of the Period. This attribute is currently not\n     *       supported by the rest of the parser, however we still check for it to prevent\n     *       errors.\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed duration\n     */\n    duration: function duration(value) {\n      var parsedValue = parseInt(value, 10);\n\n      if (isNaN(parsedValue)) {\n        return parseDuration(value);\n      }\n\n      return parsedValue;\n    },\n\n    /**\n     * Specifies the Segment duration, in units of the value of the @timescale.\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed duration\n     */\n    d: function d(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the MPD start time, in @timescale units, the first Segment in the series\n     * starts relative to the beginning of the Period\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed time\n     */\n    t: function t(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the repeat count of the number of following contiguous Segments with the\n     * same duration expressed by the value of @d\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed number\n     */\n    r: function r(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Default parser for all other attributes. Acts as a no-op and just returns the value\n     * as a string\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {string}\n     *         Unparsed value\n     */\n    DEFAULT: function DEFAULT(value) {\n      return value;\n    }\n  };\n  /**\n   * Gets all the attributes and values of the provided node, parses attributes with known\n   * types, and returns an object with attribute names mapped to values.\n   *\n   * @param {Node} el\n   *        The node to parse attributes from\n   * @return {Object}\n   *         Object with all attributes of el parsed\n   */\n\n  var parseAttributes$1 = function parseAttributes(el) {\n    if (!(el && el.attributes)) {\n      return {};\n    }\n\n    return from(el.attributes).reduce(function (a, e) {\n      var parseFn = parsers[e.name] || parsers.DEFAULT;\n      a[e.name] = parseFn(e.value);\n      return a;\n    }, {});\n  };\n\n  var keySystemsMap = {\n    'urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b': 'org.w3.clearkey',\n    'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed': 'com.widevine.alpha',\n    'urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95': 'com.microsoft.playready',\n    'urn:uuid:f239e769-efa3-4850-9c16-a903c6932efb': 'com.adobe.primetime'\n  };\n  /**\n   * Builds a list of urls that is the product of the reference urls and BaseURL values\n   *\n   * @param {string[]} referenceUrls\n   *        List of reference urls to resolve to\n   * @param {Node[]} baseUrlElements\n   *        List of BaseURL nodes from the mpd\n   * @return {string[]}\n   *         List of resolved urls\n   */\n\n  var buildBaseUrls = function buildBaseUrls(referenceUrls, baseUrlElements) {\n    if (!baseUrlElements.length) {\n      return referenceUrls;\n    }\n\n    return flatten(referenceUrls.map(function (reference) {\n      return baseUrlElements.map(function (baseUrlElement) {\n        return resolveUrl_1(reference, getContent(baseUrlElement));\n      });\n    }));\n  };\n  /**\n   * Contains all Segment information for its containing AdaptationSet\n   *\n   * @typedef {Object} SegmentInformation\n   * @property {Object|undefined} template\n   *           Contains the attributes for the SegmentTemplate node\n   * @property {Object[]|undefined} timeline\n   *           Contains a list of atrributes for each S node within the SegmentTimeline node\n   * @property {Object|undefined} list\n   *           Contains the attributes for the SegmentList node\n   * @property {Object|undefined} base\n   *           Contains the attributes for the SegmentBase node\n   */\n\n  /**\n   * Returns all available Segment information contained within the AdaptationSet node\n   *\n   * @param {Node} adaptationSet\n   *        The AdaptationSet node to get Segment information from\n   * @return {SegmentInformation}\n   *         The Segment information contained within the provided AdaptationSet\n   */\n\n\n  var getSegmentInformation = function getSegmentInformation(adaptationSet) {\n    var segmentTemplate = findChildren(adaptationSet, 'SegmentTemplate')[0];\n    var segmentList = findChildren(adaptationSet, 'SegmentList')[0];\n    var segmentUrls = segmentList && findChildren(segmentList, 'SegmentURL').map(function (s) {\n      return merge({\n        tag: 'SegmentURL'\n      }, parseAttributes$1(s));\n    });\n    var segmentBase = findChildren(adaptationSet, 'SegmentBase')[0];\n    var segmentTimelineParentNode = segmentList || segmentTemplate;\n    var segmentTimeline = segmentTimelineParentNode && findChildren(segmentTimelineParentNode, 'SegmentTimeline')[0];\n    var segmentInitializationParentNode = segmentList || segmentBase || segmentTemplate;\n    var segmentInitialization = segmentInitializationParentNode && findChildren(segmentInitializationParentNode, 'Initialization')[0]; // SegmentTemplate is handled slightly differently, since it can have both\n    // @initialization and an <Initialization> node.  @initialization can be templated,\n    // while the node can have a url and range specified.  If the <SegmentTemplate> has\n    // both @initialization and an <Initialization> subelement we opt to override with\n    // the node, as this interaction is not defined in the spec.\n\n    var template = segmentTemplate && parseAttributes$1(segmentTemplate);\n\n    if (template && segmentInitialization) {\n      template.initialization = segmentInitialization && parseAttributes$1(segmentInitialization);\n    } else if (template && template.initialization) {\n      // If it is @initialization we convert it to an object since this is the format that\n      // later functions will rely on for the initialization segment.  This is only valid\n      // for <SegmentTemplate>\n      template.initialization = {\n        sourceURL: template.initialization\n      };\n    }\n\n    var segmentInfo = {\n      template: template,\n      timeline: segmentTimeline && findChildren(segmentTimeline, 'S').map(function (s) {\n        return parseAttributes$1(s);\n      }),\n      list: segmentList && merge(parseAttributes$1(segmentList), {\n        segmentUrls: segmentUrls,\n        initialization: parseAttributes$1(segmentInitialization)\n      }),\n      base: segmentBase && merge(parseAttributes$1(segmentBase), {\n        initialization: parseAttributes$1(segmentInitialization)\n      })\n    };\n    Object.keys(segmentInfo).forEach(function (key) {\n      if (!segmentInfo[key]) {\n        delete segmentInfo[key];\n      }\n    });\n    return segmentInfo;\n  };\n  /**\n   * Contains Segment information and attributes needed to construct a Playlist object\n   * from a Representation\n   *\n   * @typedef {Object} RepresentationInformation\n   * @property {SegmentInformation} segmentInfo\n   *           Segment information for this Representation\n   * @property {Object} attributes\n   *           Inherited attributes for this Representation\n   */\n\n  /**\n   * Maps a Representation node to an object containing Segment information and attributes\n   *\n   * @name inheritBaseUrlsCallback\n   * @function\n   * @param {Node} representation\n   *        Representation node from the mpd\n   * @return {RepresentationInformation}\n   *         Representation information needed to construct a Playlist object\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping Representation nodes to\n   * Segment information and attributes using inherited BaseURL nodes.\n   *\n   * @param {Object} adaptationSetAttributes\n   *        Contains attributes inherited by the AdaptationSet\n   * @param {string[]} adaptationSetBaseUrls\n   *        Contains list of resolved base urls inherited by the AdaptationSet\n   * @param {SegmentInformation} adaptationSetSegmentInfo\n   *        Contains Segment information for the AdaptationSet\n   * @return {inheritBaseUrlsCallback}\n   *         Callback map function\n   */\n\n\n  var inheritBaseUrls = function inheritBaseUrls(adaptationSetAttributes, adaptationSetBaseUrls, adaptationSetSegmentInfo) {\n    return function (representation) {\n      var repBaseUrlElements = findChildren(representation, 'BaseURL');\n      var repBaseUrls = buildBaseUrls(adaptationSetBaseUrls, repBaseUrlElements);\n      var attributes = merge(adaptationSetAttributes, parseAttributes$1(representation));\n      var representationSegmentInfo = getSegmentInformation(representation);\n      return repBaseUrls.map(function (baseUrl) {\n        return {\n          segmentInfo: merge(adaptationSetSegmentInfo, representationSegmentInfo),\n          attributes: merge(attributes, {\n            baseUrl: baseUrl\n          })\n        };\n      });\n    };\n  };\n  /**\n   * Tranforms a series of content protection nodes to\n   * an object containing pssh data by key system\n   *\n   * @param {Node[]} contentProtectionNodes\n   *        Content protection nodes\n   * @return {Object}\n   *        Object containing pssh data by key system\n   */\n\n\n  var generateKeySystemInformation = function generateKeySystemInformation(contentProtectionNodes) {\n    return contentProtectionNodes.reduce(function (acc, node) {\n      var attributes = parseAttributes$1(node);\n      var keySystem = keySystemsMap[attributes.schemeIdUri];\n\n      if (keySystem) {\n        acc[keySystem] = {\n          attributes: attributes\n        };\n        var psshNode = findChildren(node, 'cenc:pssh')[0];\n\n        if (psshNode) {\n          var pssh = getContent(psshNode);\n          var psshBuffer = pssh && decodeB64ToUint8Array_1(pssh);\n          acc[keySystem].pssh = psshBuffer;\n        }\n      }\n\n      return acc;\n    }, {});\n  };\n  /**\n   * Maps an AdaptationSet node to a list of Representation information objects\n   *\n   * @name toRepresentationsCallback\n   * @function\n   * @param {Node} adaptationSet\n   *        AdaptationSet node from the mpd\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representaion information\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping AdaptationSet nodes to a list of\n   * Representation information objects\n   *\n   * @param {Object} periodAttributes\n   *        Contains attributes inherited by the Period\n   * @param {string[]} periodBaseUrls\n   *        Contains list of resolved base urls inherited by the Period\n   * @param {string[]} periodSegmentInfo\n   *        Contains Segment Information at the period level\n   * @return {toRepresentationsCallback}\n   *         Callback map function\n   */\n\n\n  var toRepresentations = function toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo) {\n    return function (adaptationSet) {\n      var adaptationSetAttributes = parseAttributes$1(adaptationSet);\n      var adaptationSetBaseUrls = buildBaseUrls(periodBaseUrls, findChildren(adaptationSet, 'BaseURL'));\n      var role = findChildren(adaptationSet, 'Role')[0];\n      var roleAttributes = {\n        role: parseAttributes$1(role)\n      };\n      var attrs = merge(periodAttributes, adaptationSetAttributes, roleAttributes);\n      var contentProtection = generateKeySystemInformation(findChildren(adaptationSet, 'ContentProtection'));\n\n      if (Object.keys(contentProtection).length) {\n        attrs = merge(attrs, {\n          contentProtection: contentProtection\n        });\n      }\n\n      var segmentInfo = getSegmentInformation(adaptationSet);\n      var representations = findChildren(adaptationSet, 'Representation');\n      var adaptationSetSegmentInfo = merge(periodSegmentInfo, segmentInfo);\n      return flatten(representations.map(inheritBaseUrls(attrs, adaptationSetBaseUrls, adaptationSetSegmentInfo)));\n    };\n  };\n  /**\n   * Maps an Period node to a list of Representation inforamtion objects for all\n   * AdaptationSet nodes contained within the Period\n   *\n   * @name toAdaptationSetsCallback\n   * @function\n   * @param {Node} period\n   *        Period node from the mpd\n   * @param {number} periodIndex\n   *        Index of the Period within the mpd\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representaion information\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping Period nodes to a list of\n   * Representation information objects\n   *\n   * @param {Object} mpdAttributes\n   *        Contains attributes inherited by the mpd\n   * @param {string[]} mpdBaseUrls\n   *        Contains list of resolved base urls inherited by the mpd\n   * @return {toAdaptationSetsCallback}\n   *         Callback map function\n   */\n\n\n  var toAdaptationSets = function toAdaptationSets(mpdAttributes, mpdBaseUrls) {\n    return function (period, index) {\n      var periodBaseUrls = buildBaseUrls(mpdBaseUrls, findChildren(period, 'BaseURL'));\n      var periodAtt = parseAttributes$1(period);\n      var parsedPeriodId = parseInt(periodAtt.id, 10); // fallback to mapping index if Period@id is not a number\n\n      var periodIndex = window$3.isNaN(parsedPeriodId) ? index : parsedPeriodId;\n      var periodAttributes = merge(mpdAttributes, {\n        periodIndex: periodIndex\n      });\n      var adaptationSets = findChildren(period, 'AdaptationSet');\n      var periodSegmentInfo = getSegmentInformation(period);\n      return flatten(adaptationSets.map(toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo)));\n    };\n  };\n  /**\n   * Traverses the mpd xml tree to generate a list of Representation information objects\n   * that have inherited attributes from parent nodes\n   *\n   * @param {Node} mpd\n   *        The root node of the mpd\n   * @param {Object} options\n   *        Available options for inheritAttributes\n   * @param {string} options.manifestUri\n   *        The uri source of the mpd\n   * @param {number} options.NOW\n   *        Current time per DASH IOP.  Default is current time in ms since epoch\n   * @param {number} options.clientOffset\n   *        Client time difference from NOW (in milliseconds)\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representation information\n   */\n\n\n  var inheritAttributes = function inheritAttributes(mpd, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var _options = options,\n        _options$manifestUri = _options.manifestUri,\n        manifestUri = _options$manifestUri === void 0 ? '' : _options$manifestUri,\n        _options$NOW = _options.NOW,\n        NOW = _options$NOW === void 0 ? Date.now() : _options$NOW,\n        _options$clientOffset = _options.clientOffset,\n        clientOffset = _options$clientOffset === void 0 ? 0 : _options$clientOffset;\n    var periods = findChildren(mpd, 'Period');\n\n    if (!periods.length) {\n      throw new Error(errors.INVALID_NUMBER_OF_PERIOD);\n    }\n\n    var mpdAttributes = parseAttributes$1(mpd);\n    var mpdBaseUrls = buildBaseUrls([manifestUri], findChildren(mpd, 'BaseURL'));\n    mpdAttributes.sourceDuration = mpdAttributes.mediaPresentationDuration || 0;\n    mpdAttributes.NOW = NOW;\n    mpdAttributes.clientOffset = clientOffset;\n    return flatten(periods.map(toAdaptationSets(mpdAttributes, mpdBaseUrls)));\n  };\n\n  var stringToMpdXml = function stringToMpdXml(manifestString) {\n    if (manifestString === '') {\n      throw new Error(errors.DASH_EMPTY_MANIFEST);\n    }\n\n    var parser = new domParser_3();\n    var xml = parser.parseFromString(manifestString, 'application/xml');\n    var mpd = xml && xml.documentElement.tagName === 'MPD' ? xml.documentElement : null;\n\n    if (!mpd || mpd && mpd.getElementsByTagName('parsererror').length > 0) {\n      throw new Error(errors.DASH_INVALID_XML);\n    }\n\n    return mpd;\n  };\n  /**\n   * Parses the manifest for a UTCTiming node, returning the nodes attributes if found\n   *\n   * @param {string} mpd\n   *        XML string of the MPD manifest\n   * @return {Object|null}\n   *         Attributes of UTCTiming node specified in the manifest. Null if none found\n   */\n\n\n  var parseUTCTimingScheme = function parseUTCTimingScheme(mpd) {\n    var UTCTimingNode = findChildren(mpd, 'UTCTiming')[0];\n\n    if (!UTCTimingNode) {\n      return null;\n    }\n\n    var attributes = parseAttributes$1(UTCTimingNode);\n\n    switch (attributes.schemeIdUri) {\n      case 'urn:mpeg:dash:utc:http-head:2014':\n      case 'urn:mpeg:dash:utc:http-head:2012':\n        attributes.method = 'HEAD';\n        break;\n\n      case 'urn:mpeg:dash:utc:http-xsdate:2014':\n      case 'urn:mpeg:dash:utc:http-iso:2014':\n      case 'urn:mpeg:dash:utc:http-xsdate:2012':\n      case 'urn:mpeg:dash:utc:http-iso:2012':\n        attributes.method = 'GET';\n        break;\n\n      case 'urn:mpeg:dash:utc:direct:2014':\n      case 'urn:mpeg:dash:utc:direct:2012':\n        attributes.method = 'DIRECT';\n        attributes.value = Date.parse(attributes.value);\n        break;\n\n      case 'urn:mpeg:dash:utc:http-ntp:2014':\n      case 'urn:mpeg:dash:utc:ntp:2014':\n      case 'urn:mpeg:dash:utc:sntp:2014':\n      default:\n        throw new Error(errors.UNSUPPORTED_UTC_TIMING_SCHEME);\n    }\n\n    return attributes;\n  };\n\n  var parse = function parse(manifestString, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    return toM3u8(toPlaylists(inheritAttributes(stringToMpdXml(manifestString), options)), options.sidxMapping);\n  };\n  /**\n   * Parses the manifest for a UTCTiming node, returning the nodes attributes if found\n   *\n   * @param {string} manifestString\n   *        XML string of the MPD manifest\n   * @return {Object|null}\n   *         Attributes of UTCTiming node specified in the manifest. Null if none found\n   */\n\n\n  var parseUTCTiming = function parseUTCTiming(manifestString) {\n    return parseUTCTimingScheme(stringToMpdXml(manifestString));\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n  var toUnsigned = function toUnsigned(value) {\n    return value >>> 0;\n  };\n\n  var toHexString = function toHexString(value) {\n    return ('00' + value.toString(16)).slice(-2);\n  };\n\n  var bin = {\n    toUnsigned: toUnsigned,\n    toHexString: toHexString\n  };\n\n  var inspectMp4,\n      _textifyMp,\n      toUnsigned$1 = bin.toUnsigned,\n      parseMp4Date = function parseMp4Date(seconds) {\n    return new Date(seconds * 1000 - 2082844800000);\n  },\n      parseSampleFlags = function parseSampleFlags(flags) {\n    return {\n      isLeading: (flags[0] & 0x0c) >>> 2,\n      dependsOn: flags[0] & 0x03,\n      isDependedOn: (flags[1] & 0xc0) >>> 6,\n      hasRedundancy: (flags[1] & 0x30) >>> 4,\n      paddingValue: (flags[1] & 0x0e) >>> 1,\n      isNonSyncSample: flags[1] & 0x01,\n      degradationPriority: flags[2] << 8 | flags[3]\n    };\n  },\n\n  /**\n   * Returns the string representation of an ASCII encoded four byte buffer.\n   * @param buffer {Uint8Array} a four-byte buffer to translate\n   * @return {string} the corresponding string\n   */\n  parseType = function parseType(buffer) {\n    var result = '';\n    result += String.fromCharCode(buffer[0]);\n    result += String.fromCharCode(buffer[1]);\n    result += String.fromCharCode(buffer[2]);\n    result += String.fromCharCode(buffer[3]);\n    return result;\n  },\n      // Find the data for a box specified by its path\n  findBox = function findBox(data, path) {\n    var results = [],\n        i,\n        size,\n        type,\n        end,\n        subresults;\n\n    if (!path.length) {\n      // short-circuit the search for empty paths\n      return null;\n    }\n\n    for (i = 0; i < data.byteLength;) {\n      size = toUnsigned$1(data[i] << 24 | data[i + 1] << 16 | data[i + 2] << 8 | data[i + 3]);\n      type = parseType(data.subarray(i + 4, i + 8));\n      end = size > 1 ? i + size : data.byteLength;\n\n      if (type === path[0]) {\n        if (path.length === 1) {\n          // this is the end of the path and we've found the box we were\n          // looking for\n          results.push(data.subarray(i + 8, end));\n        } else {\n          // recursively search for the next box along the path\n          subresults = findBox(data.subarray(i + 8, end), path.slice(1));\n\n          if (subresults.length) {\n            results = results.concat(subresults);\n          }\n        }\n      }\n\n      i = end;\n    } // we've finished searching all of data\n\n\n    return results;\n  },\n      nalParse = function nalParse(avcStream) {\n    var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),\n        result = [],\n        i,\n        length;\n\n    for (i = 0; i + 4 < avcStream.length; i += length) {\n      length = avcView.getUint32(i);\n      i += 4; // bail if this doesn't appear to be an H264 stream\n\n      if (length <= 0) {\n        result.push('<span style=\\'color:red;\\'>MALFORMED DATA</span>');\n        continue;\n      }\n\n      switch (avcStream[i] & 0x1F) {\n        case 0x01:\n          result.push('slice_layer_without_partitioning_rbsp');\n          break;\n\n        case 0x05:\n          result.push('slice_layer_without_partitioning_rbsp_idr');\n          break;\n\n        case 0x06:\n          result.push('sei_rbsp');\n          break;\n\n        case 0x07:\n          result.push('seq_parameter_set_rbsp');\n          break;\n\n        case 0x08:\n          result.push('pic_parameter_set_rbsp');\n          break;\n\n        case 0x09:\n          result.push('access_unit_delimiter_rbsp');\n          break;\n\n        default:\n          result.push('UNKNOWN NAL - ' + avcStream[i] & 0x1F);\n          break;\n      }\n    }\n\n    return result;\n  },\n      // registry of handlers for individual mp4 box types\n  parse$1 = {\n    // codingname, not a first-class box type. stsd entries share the\n    // same format as real boxes so the parsing infrastructure can be\n    // shared\n    avc1: function avc1(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        dataReferenceIndex: view.getUint16(6),\n        width: view.getUint16(24),\n        height: view.getUint16(26),\n        horizresolution: view.getUint16(28) + view.getUint16(30) / 16,\n        vertresolution: view.getUint16(32) + view.getUint16(34) / 16,\n        frameCount: view.getUint16(40),\n        depth: view.getUint16(74),\n        config: inspectMp4(data.subarray(78, data.byteLength))\n      };\n    },\n    avcC: function avcC(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        configurationVersion: data[0],\n        avcProfileIndication: data[1],\n        profileCompatibility: data[2],\n        avcLevelIndication: data[3],\n        lengthSizeMinusOne: data[4] & 0x03,\n        sps: [],\n        pps: []\n      },\n          numOfSequenceParameterSets = data[5] & 0x1f,\n          numOfPictureParameterSets,\n          nalSize,\n          offset,\n          i; // iterate past any SPSs\n\n      offset = 6;\n\n      for (i = 0; i < numOfSequenceParameterSets; i++) {\n        nalSize = view.getUint16(offset);\n        offset += 2;\n        result.sps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));\n        offset += nalSize;\n      } // iterate past any PPSs\n\n\n      numOfPictureParameterSets = data[offset];\n      offset++;\n\n      for (i = 0; i < numOfPictureParameterSets; i++) {\n        nalSize = view.getUint16(offset);\n        offset += 2;\n        result.pps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));\n        offset += nalSize;\n      }\n\n      return result;\n    },\n    btrt: function btrt(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        bufferSizeDB: view.getUint32(0),\n        maxBitrate: view.getUint32(4),\n        avgBitrate: view.getUint32(8)\n      };\n    },\n    esds: function esds(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        esId: data[6] << 8 | data[7],\n        streamPriority: data[8] & 0x1f,\n        decoderConfig: {\n          objectProfileIndication: data[11],\n          streamType: data[12] >>> 2 & 0x3f,\n          bufferSize: data[13] << 16 | data[14] << 8 | data[15],\n          maxBitrate: data[16] << 24 | data[17] << 16 | data[18] << 8 | data[19],\n          avgBitrate: data[20] << 24 | data[21] << 16 | data[22] << 8 | data[23],\n          decoderConfigDescriptor: {\n            tag: data[24],\n            length: data[25],\n            audioObjectType: data[26] >>> 3 & 0x1f,\n            samplingFrequencyIndex: (data[26] & 0x07) << 1 | data[27] >>> 7 & 0x01,\n            channelConfiguration: data[27] >>> 3 & 0x0f\n          }\n        }\n      };\n    },\n    ftyp: function ftyp(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        majorBrand: parseType(data.subarray(0, 4)),\n        minorVersion: view.getUint32(4),\n        compatibleBrands: []\n      },\n          i = 8;\n\n      while (i < data.byteLength) {\n        result.compatibleBrands.push(parseType(data.subarray(i, i + 4)));\n        i += 4;\n      }\n\n      return result;\n    },\n    dinf: function dinf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    dref: function dref(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        dataReferences: inspectMp4(data.subarray(8))\n      };\n    },\n    hdlr: function hdlr(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        handlerType: parseType(data.subarray(8, 12)),\n        name: ''\n      },\n          i = 8; // parse out the name field\n\n      for (i = 24; i < data.byteLength; i++) {\n        if (data[i] === 0x00) {\n          // the name field is null-terminated\n          i++;\n          break;\n        }\n\n        result.name += String.fromCharCode(data[i]);\n      } // decode UTF-8 to javascript's internal representation\n      // see http://ecmanaut.blogspot.com/2006/07/encoding-decoding-utf8-in-javascript.html\n\n\n      result.name = decodeURIComponent(escape(result.name));\n      return result;\n    },\n    mdat: function mdat(data) {\n      return {\n        byteLength: data.byteLength,\n        nals: nalParse(data)\n      };\n    },\n    mdhd: function mdhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          language,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        language: ''\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4; // language is stored as an ISO-639-2/T code in an array of three 5-bit fields\n      // each field is the packed difference between its ASCII value and 0x60\n\n      language = view.getUint16(i);\n      result.language += String.fromCharCode((language >> 10) + 0x60);\n      result.language += String.fromCharCode(((language & 0x03e0) >> 5) + 0x60);\n      result.language += String.fromCharCode((language & 0x1f) + 0x60);\n      return result;\n    },\n    mdia: function mdia(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mfhd: function mfhd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sequenceNumber: data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7]\n      };\n    },\n    minf: function minf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    // codingname, not a first-class box type. stsd entries share the\n    // same format as real boxes so the parsing infrastructure can be\n    // shared\n    mp4a: function mp4a(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        // 6 bytes reserved\n        dataReferenceIndex: view.getUint16(6),\n        // 4 + 4 bytes reserved\n        channelcount: view.getUint16(16),\n        samplesize: view.getUint16(18),\n        // 2 bytes pre_defined\n        // 2 bytes reserved\n        samplerate: view.getUint16(24) + view.getUint16(26) / 65536\n      }; // if there are more bytes to process, assume this is an ISO/IEC\n      // 14496-14 MP4AudioSampleEntry and parse the ESDBox\n\n      if (data.byteLength > 28) {\n        result.streamDescriptor = inspectMp4(data.subarray(28))[0];\n      }\n\n      return result;\n    },\n    moof: function moof(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    moov: function moov(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mvex: function mvex(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mvhd: function mvhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4; // convert fixed-point, base 16 back to a number\n\n      result.rate = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      i += 4;\n      result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;\n      i += 2;\n      i += 2;\n      i += 2 * 4;\n      result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));\n      i += 9 * 4;\n      i += 6 * 4;\n      result.nextTrackId = view.getUint32(i);\n      return result;\n    },\n    pdin: function pdin(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        rate: view.getUint32(4),\n        initialDelay: view.getUint32(8)\n      };\n    },\n    sdtp: function sdtp(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        samples: []\n      },\n          i;\n\n      for (i = 4; i < data.byteLength; i++) {\n        result.samples.push({\n          dependsOn: (data[i] & 0x30) >> 4,\n          isDependedOn: (data[i] & 0x0c) >> 2,\n          hasRedundancy: data[i] & 0x03\n        });\n      }\n\n      return result;\n    },\n    sidx: function sidx(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        references: [],\n        referenceId: view.getUint32(4),\n        timescale: view.getUint32(8),\n        earliestPresentationTime: view.getUint32(12),\n        firstOffset: view.getUint32(16)\n      },\n          referenceCount = view.getUint16(22),\n          i;\n\n      for (i = 24; referenceCount; i += 12, referenceCount--) {\n        result.references.push({\n          referenceType: (data[i] & 0x80) >>> 7,\n          referencedSize: view.getUint32(i) & 0x7FFFFFFF,\n          subsegmentDuration: view.getUint32(i + 4),\n          startsWithSap: !!(data[i + 8] & 0x80),\n          sapType: (data[i + 8] & 0x70) >>> 4,\n          sapDeltaTime: view.getUint32(i + 8) & 0x0FFFFFFF\n        });\n      }\n\n      return result;\n    },\n    smhd: function smhd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        balance: data[4] + data[5] / 256\n      };\n    },\n    stbl: function stbl(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    stco: function stco(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        chunkOffsets: []\n      },\n          entryCount = view.getUint32(4),\n          i;\n\n      for (i = 8; entryCount; i += 4, entryCount--) {\n        result.chunkOffsets.push(view.getUint32(i));\n      }\n\n      return result;\n    },\n    stsc: function stsc(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          entryCount = view.getUint32(4),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleToChunks: []\n      },\n          i;\n\n      for (i = 8; entryCount; i += 12, entryCount--) {\n        result.sampleToChunks.push({\n          firstChunk: view.getUint32(i),\n          samplesPerChunk: view.getUint32(i + 4),\n          sampleDescriptionIndex: view.getUint32(i + 8)\n        });\n      }\n\n      return result;\n    },\n    stsd: function stsd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleDescriptions: inspectMp4(data.subarray(8))\n      };\n    },\n    stsz: function stsz(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleSize: view.getUint32(4),\n        entries: []\n      },\n          i;\n\n      for (i = 12; i < data.byteLength; i += 4) {\n        result.entries.push(view.getUint32(i));\n      }\n\n      return result;\n    },\n    stts: function stts(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        timeToSamples: []\n      },\n          entryCount = view.getUint32(4),\n          i;\n\n      for (i = 8; entryCount; i += 8, entryCount--) {\n        result.timeToSamples.push({\n          sampleCount: view.getUint32(i),\n          sampleDelta: view.getUint32(i + 4)\n        });\n      }\n\n      return result;\n    },\n    styp: function styp(data) {\n      return parse$1.ftyp(data);\n    },\n    tfdt: function tfdt(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        baseMediaDecodeTime: toUnsigned$1(data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7])\n      };\n\n      if (result.version === 1) {\n        result.baseMediaDecodeTime *= Math.pow(2, 32);\n        result.baseMediaDecodeTime += toUnsigned$1(data[8] << 24 | data[9] << 16 | data[10] << 8 | data[11]);\n      }\n\n      return result;\n    },\n    tfhd: function tfhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        trackId: view.getUint32(4)\n      },\n          baseDataOffsetPresent = result.flags[2] & 0x01,\n          sampleDescriptionIndexPresent = result.flags[2] & 0x02,\n          defaultSampleDurationPresent = result.flags[2] & 0x08,\n          defaultSampleSizePresent = result.flags[2] & 0x10,\n          defaultSampleFlagsPresent = result.flags[2] & 0x20,\n          durationIsEmpty = result.flags[0] & 0x010000,\n          defaultBaseIsMoof = result.flags[0] & 0x020000,\n          i;\n      i = 8;\n\n      if (baseDataOffsetPresent) {\n        i += 4; // truncate top 4 bytes\n        // FIXME: should we read the full 64 bits?\n\n        result.baseDataOffset = view.getUint32(12);\n        i += 4;\n      }\n\n      if (sampleDescriptionIndexPresent) {\n        result.sampleDescriptionIndex = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleDurationPresent) {\n        result.defaultSampleDuration = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleSizePresent) {\n        result.defaultSampleSize = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleFlagsPresent) {\n        result.defaultSampleFlags = view.getUint32(i);\n      }\n\n      if (durationIsEmpty) {\n        result.durationIsEmpty = true;\n      }\n\n      if (!baseDataOffsetPresent && defaultBaseIsMoof) {\n        result.baseDataOffsetIsMoof = true;\n      }\n\n      return result;\n    },\n    tkhd: function tkhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.trackId = view.getUint32(i);\n        i += 4;\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.trackId = view.getUint32(i);\n        i += 4;\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4;\n      i += 2 * 4;\n      result.layer = view.getUint16(i);\n      i += 2;\n      result.alternateGroup = view.getUint16(i);\n      i += 2; // convert fixed-point, base 16 back to a number\n\n      result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;\n      i += 2;\n      i += 2;\n      result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));\n      i += 9 * 4;\n      result.width = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      i += 4;\n      result.height = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      return result;\n    },\n    traf: function traf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    trak: function trak(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    trex: function trex(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        trackId: view.getUint32(4),\n        defaultSampleDescriptionIndex: view.getUint32(8),\n        defaultSampleDuration: view.getUint32(12),\n        defaultSampleSize: view.getUint32(16),\n        sampleDependsOn: data[20] & 0x03,\n        sampleIsDependedOn: (data[21] & 0xc0) >> 6,\n        sampleHasRedundancy: (data[21] & 0x30) >> 4,\n        samplePaddingValue: (data[21] & 0x0e) >> 1,\n        sampleIsDifferenceSample: !!(data[21] & 0x01),\n        sampleDegradationPriority: view.getUint16(22)\n      };\n    },\n    trun: function trun(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        samples: []\n      },\n          view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          // Flag interpretation\n      dataOffsetPresent = result.flags[2] & 0x01,\n          // compare with 2nd byte of 0x1\n      firstSampleFlagsPresent = result.flags[2] & 0x04,\n          // compare with 2nd byte of 0x4\n      sampleDurationPresent = result.flags[1] & 0x01,\n          // compare with 2nd byte of 0x100\n      sampleSizePresent = result.flags[1] & 0x02,\n          // compare with 2nd byte of 0x200\n      sampleFlagsPresent = result.flags[1] & 0x04,\n          // compare with 2nd byte of 0x400\n      sampleCompositionTimeOffsetPresent = result.flags[1] & 0x08,\n          // compare with 2nd byte of 0x800\n      sampleCount = view.getUint32(4),\n          offset = 8,\n          sample;\n\n      if (dataOffsetPresent) {\n        // 32 bit signed integer\n        result.dataOffset = view.getInt32(offset);\n        offset += 4;\n      } // Overrides the flags for the first sample only. The order of\n      // optional values will be: duration, size, compositionTimeOffset\n\n\n      if (firstSampleFlagsPresent && sampleCount) {\n        sample = {\n          flags: parseSampleFlags(data.subarray(offset, offset + 4))\n        };\n        offset += 4;\n\n        if (sampleDurationPresent) {\n          sample.duration = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleSizePresent) {\n          sample.size = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleCompositionTimeOffsetPresent) {\n          // Note: this should be a signed int if version is 1\n          sample.compositionTimeOffset = view.getUint32(offset);\n          offset += 4;\n        }\n\n        result.samples.push(sample);\n        sampleCount--;\n      }\n\n      while (sampleCount--) {\n        sample = {};\n\n        if (sampleDurationPresent) {\n          sample.duration = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleSizePresent) {\n          sample.size = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleFlagsPresent) {\n          sample.flags = parseSampleFlags(data.subarray(offset, offset + 4));\n          offset += 4;\n        }\n\n        if (sampleCompositionTimeOffsetPresent) {\n          // Note: this should be a signed int if version is 1\n          sample.compositionTimeOffset = view.getUint32(offset);\n          offset += 4;\n        }\n\n        result.samples.push(sample);\n      }\n\n      return result;\n    },\n    'url ': function url(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n    },\n    vmhd: function vmhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        graphicsmode: view.getUint16(4),\n        opcolor: new Uint16Array([view.getUint16(6), view.getUint16(8), view.getUint16(10)])\n      };\n    }\n  };\n  /**\n   * Return a javascript array of box objects parsed from an ISO base\n   * media file.\n   * @param data {Uint8Array} the binary data of the media to be inspected\n   * @return {array} a javascript array of potentially nested box objects\n   */\n\n\n  inspectMp4 = function inspectMp4(data) {\n    var i = 0,\n        result = [],\n        view,\n        size,\n        type,\n        end,\n        box; // Convert data from Uint8Array to ArrayBuffer, to follow Dataview API\n\n    var ab = new ArrayBuffer(data.length);\n    var v = new Uint8Array(ab);\n\n    for (var z = 0; z < data.length; ++z) {\n      v[z] = data[z];\n    }\n\n    view = new DataView(ab);\n\n    while (i < data.byteLength) {\n      // parse box data\n      size = view.getUint32(i);\n      type = parseType(data.subarray(i + 4, i + 8));\n      end = size > 1 ? i + size : data.byteLength; // parse type-specific data\n\n      box = (parse$1[type] || function (data) {\n        return {\n          data: data\n        };\n      })(data.subarray(i + 8, end));\n\n      box.size = size;\n      box.type = type; // store this box and move to the next\n\n      result.push(box);\n      i = end;\n    }\n\n    return result;\n  };\n  /**\n   * Returns a textual representation of the javascript represtentation\n   * of an MP4 file. You can use it as an alternative to\n   * JSON.stringify() to compare inspected MP4s.\n   * @param inspectedMp4 {array} the parsed array of boxes in an MP4\n   * file\n   * @param depth {number} (optional) the number of ancestor boxes of\n   * the elements of inspectedMp4. Assumed to be zero if unspecified.\n   * @return {string} a text representation of the parsed MP4\n   */\n\n\n  _textifyMp = function textifyMp4(inspectedMp4, depth) {\n    var indent;\n    depth = depth || 0;\n    indent = new Array(depth * 2 + 1).join(' '); // iterate over all the boxes\n\n    return inspectedMp4.map(function (box, index) {\n      // list the box type first at the current indentation level\n      return indent + box.type + '\\n' + // the type is already included and handle child boxes separately\n      Object.keys(box).filter(function (key) {\n        return key !== 'type' && key !== 'boxes'; // output all the box properties\n      }).map(function (key) {\n        var prefix = indent + '  ' + key + ': ',\n            value = box[key]; // print out raw bytes as hexademical\n\n        if (value instanceof Uint8Array || value instanceof Uint32Array) {\n          var bytes = Array.prototype.slice.call(new Uint8Array(value.buffer, value.byteOffset, value.byteLength)).map(function (_byte) {\n            return ' ' + ('00' + _byte.toString(16)).slice(-2);\n          }).join('').match(/.{1,24}/g);\n\n          if (!bytes) {\n            return prefix + '<>';\n          }\n\n          if (bytes.length === 1) {\n            return prefix + '<' + bytes.join('').slice(1) + '>';\n          }\n\n          return prefix + '<\\n' + bytes.map(function (line) {\n            return indent + '  ' + line;\n          }).join('\\n') + '\\n' + indent + '  >';\n        } // stringify generic objects\n\n\n        return prefix + JSON.stringify(value, null, 2).split('\\n').map(function (line, index) {\n          if (index === 0) {\n            return line;\n          }\n\n          return indent + '  ' + line;\n        }).join('\\n');\n      }).join('\\n') + ( // recursively textify the child boxes\n      box.boxes ? '\\n' + _textifyMp(box.boxes, depth + 1) : '');\n    }).join('\\n');\n  };\n\n  var mp4Inspector = {\n    inspect: inspectMp4,\n    textify: _textifyMp,\n    parseType: parseType,\n    findBox: findBox,\n    parseTraf: parse$1.traf,\n    parseTfdt: parse$1.tfdt,\n    parseHdlr: parse$1.hdlr,\n    parseTfhd: parse$1.tfhd,\n    parseTrun: parse$1.trun,\n    parseSidx: parse$1.sidx\n  };\n\n  var toUnsigned$2 = bin.toUnsigned;\n  var toHexString$1 = bin.toHexString;\n  var timescale, startTime, compositionStartTime, getVideoTrackIds, getTracks;\n  /**\n   * Parses an MP4 initialization segment and extracts the timescale\n   * values for any declared tracks. Timescale values indicate the\n   * number of clock ticks per second to assume for time-based values\n   * elsewhere in the MP4.\n   *\n   * To determine the start time of an MP4, you need two pieces of\n   * information: the timescale unit and the earliest base media decode\n   * time. Multiple timescales can be specified within an MP4 but the\n   * base media decode time is always expressed in the timescale from\n   * the media header box for the track:\n   * ```\n   * moov > trak > mdia > mdhd.timescale\n   * ```\n   * @param init {Uint8Array} the bytes of the init segment\n   * @return {object} a hash of track ids to timescale values or null if\n   * the init segment is malformed.\n   */\n\n  timescale = function timescale(init) {\n    var result = {},\n        traks = mp4Inspector.findBox(init, ['moov', 'trak']); // mdhd timescale\n\n    return traks.reduce(function (result, trak) {\n      var tkhd, version, index, id, mdhd;\n      tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];\n\n      if (!tkhd) {\n        return null;\n      }\n\n      version = tkhd[0];\n      index = version === 0 ? 12 : 20;\n      id = toUnsigned$2(tkhd[index] << 24 | tkhd[index + 1] << 16 | tkhd[index + 2] << 8 | tkhd[index + 3]);\n      mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];\n\n      if (!mdhd) {\n        return null;\n      }\n\n      version = mdhd[0];\n      index = version === 0 ? 12 : 20;\n      result[id] = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);\n      return result;\n    }, result);\n  };\n  /**\n   * Determine the base media decode start time, in seconds, for an MP4\n   * fragment. If multiple fragments are specified, the earliest time is\n   * returned.\n   *\n   * The base media decode time can be parsed from track fragment\n   * metadata:\n   * ```\n   * moof > traf > tfdt.baseMediaDecodeTime\n   * ```\n   * It requires the timescale value from the mdhd to interpret.\n   *\n   * @param timescale {object} a hash of track ids to timescale values.\n   * @return {number} the earliest base media decode start time for the\n   * fragment, in seconds\n   */\n\n\n  startTime = function startTime(timescale, fragment) {\n    var trafs, baseTimes, result; // we need info from two childrend of each track fragment box\n\n    trafs = mp4Inspector.findBox(fragment, ['moof', 'traf']); // determine the start times for each track\n\n    baseTimes = [].concat.apply([], trafs.map(function (traf) {\n      return mp4Inspector.findBox(traf, ['tfhd']).map(function (tfhd) {\n        var id, scale, baseTime; // get the track id from the tfhd\n\n        id = toUnsigned$2(tfhd[4] << 24 | tfhd[5] << 16 | tfhd[6] << 8 | tfhd[7]); // assume a 90kHz clock if no timescale was specified\n\n        scale = timescale[id] || 90e3; // get the base media decode time from the tfdt\n\n        baseTime = mp4Inspector.findBox(traf, ['tfdt']).map(function (tfdt) {\n          var version, result;\n          version = tfdt[0];\n          result = toUnsigned$2(tfdt[4] << 24 | tfdt[5] << 16 | tfdt[6] << 8 | tfdt[7]);\n\n          if (version === 1) {\n            result *= Math.pow(2, 32);\n            result += toUnsigned$2(tfdt[8] << 24 | tfdt[9] << 16 | tfdt[10] << 8 | tfdt[11]);\n          }\n\n          return result;\n        })[0];\n        baseTime = baseTime || Infinity; // convert base time to seconds\n\n        return baseTime / scale;\n      });\n    })); // return the minimum\n\n    result = Math.min.apply(null, baseTimes);\n    return isFinite(result) ? result : 0;\n  };\n  /**\n   * Determine the composition start, in seconds, for an MP4\n   * fragment.\n   *\n   * The composition start time of a fragment can be calculated using the base\n   * media decode time, composition time offset, and timescale, as follows:\n   *\n   * compositionStartTime = (baseMediaDecodeTime + compositionTimeOffset) / timescale\n   *\n   * All of the aforementioned information is contained within a media fragment's\n   * `traf` box, except for timescale info, which comes from the initialization\n   * segment, so a track id (also contained within a `traf`) is also necessary to\n   * associate it with a timescale\n   *\n   *\n   * @param timescales {object} - a hash of track ids to timescale values.\n   * @param fragment {Unit8Array} - the bytes of a media segment\n   * @return {number} the composition start time for the fragment, in seconds\n   **/\n\n\n  compositionStartTime = function compositionStartTime(timescales, fragment) {\n    var trafBoxes = mp4Inspector.findBox(fragment, ['moof', 'traf']);\n    var baseMediaDecodeTime = 0;\n    var compositionTimeOffset = 0;\n    var trackId;\n\n    if (trafBoxes && trafBoxes.length) {\n      // The spec states that track run samples contained within a `traf` box are contiguous, but\n      // it does not explicitly state whether the `traf` boxes themselves are contiguous.\n      // We will assume that they are, so we only need the first to calculate start time.\n      var parsedTraf = mp4Inspector.parseTraf(trafBoxes[0]);\n\n      for (var i = 0; i < parsedTraf.boxes.length; i++) {\n        if (parsedTraf.boxes[i].type === 'tfhd') {\n          trackId = parsedTraf.boxes[i].trackId;\n        } else if (parsedTraf.boxes[i].type === 'tfdt') {\n          baseMediaDecodeTime = parsedTraf.boxes[i].baseMediaDecodeTime;\n        } else if (parsedTraf.boxes[i].type === 'trun' && parsedTraf.boxes[i].samples.length) {\n          compositionTimeOffset = parsedTraf.boxes[i].samples[0].compositionTimeOffset || 0;\n        }\n      }\n    } // Get timescale for this specific track. Assume a 90kHz clock if no timescale was\n    // specified.\n\n\n    var timescale = timescales[trackId] || 90e3; // return the composition start time, in seconds\n\n    return (baseMediaDecodeTime + compositionTimeOffset) / timescale;\n  };\n  /**\n    * Find the trackIds of the video tracks in this source.\n    * Found by parsing the Handler Reference and Track Header Boxes:\n    *   moov > trak > mdia > hdlr\n    *   moov > trak > tkhd\n    *\n    * @param {Uint8Array} init - The bytes of the init segment for this source\n    * @return {Number[]} A list of trackIds\n    *\n    * @see ISO-BMFF-12/2015, Section 8.4.3\n   **/\n\n\n  getVideoTrackIds = function getVideoTrackIds(init) {\n    var traks = mp4Inspector.findBox(init, ['moov', 'trak']);\n    var videoTrackIds = [];\n    traks.forEach(function (trak) {\n      var hdlrs = mp4Inspector.findBox(trak, ['mdia', 'hdlr']);\n      var tkhds = mp4Inspector.findBox(trak, ['tkhd']);\n      hdlrs.forEach(function (hdlr, index) {\n        var handlerType = mp4Inspector.parseType(hdlr.subarray(8, 12));\n        var tkhd = tkhds[index];\n        var view;\n        var version;\n        var trackId;\n\n        if (handlerType === 'vide') {\n          view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);\n          version = view.getUint8(0);\n          trackId = version === 0 ? view.getUint32(12) : view.getUint32(20);\n          videoTrackIds.push(trackId);\n        }\n      });\n    });\n    return videoTrackIds;\n  };\n  /**\n   * Get all the video, audio, and hint tracks from a non fragmented\n   * mp4 segment\n   */\n\n\n  getTracks = function getTracks(init) {\n    var traks = mp4Inspector.findBox(init, ['moov', 'trak']);\n    var tracks = [];\n    traks.forEach(function (trak) {\n      var track = {};\n      var tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];\n      var view, version; // id\n\n      if (tkhd) {\n        view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);\n        version = view.getUint8(0);\n        track.id = version === 0 ? view.getUint32(12) : view.getUint32(20);\n      }\n\n      var hdlr = mp4Inspector.findBox(trak, ['mdia', 'hdlr'])[0]; // type\n\n      if (hdlr) {\n        var type = mp4Inspector.parseType(hdlr.subarray(8, 12));\n\n        if (type === 'vide') {\n          track.type = 'video';\n        } else if (type === 'soun') {\n          track.type = 'audio';\n        } else {\n          track.type = type;\n        }\n      } // codec\n\n\n      var stsd = mp4Inspector.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd'])[0];\n\n      if (stsd) {\n        var sampleDescriptions = stsd.subarray(8); // gives the codec type string\n\n        track.codec = mp4Inspector.parseType(sampleDescriptions.subarray(4, 8));\n        var codecBox = mp4Inspector.findBox(sampleDescriptions, [track.codec])[0];\n        var codecConfig, codecConfigType;\n\n        if (codecBox) {\n          // https://tools.ietf.org/html/rfc6381#section-3.3\n          if (/^[a-z]vc[1-9]$/i.test(track.codec)) {\n            // we don't need anything but the \"config\" parameter of the\n            // avc1 codecBox\n            codecConfig = codecBox.subarray(78);\n            codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));\n\n            if (codecConfigType === 'avcC' && codecConfig.length > 11) {\n              track.codec += '.'; // left padded with zeroes for single digit hex\n              // profile idc\n\n              track.codec += toHexString$1(codecConfig[9]); // the byte containing the constraint_set flags\n\n              track.codec += toHexString$1(codecConfig[10]); // level idc\n\n              track.codec += toHexString$1(codecConfig[11]);\n            } else {\n              // TODO: show a warning that we couldn't parse the codec\n              // and are using the default\n              track.codec = 'avc1.4d400d';\n            }\n          } else if (/^mp4[a,v]$/i.test(track.codec)) {\n            // we do not need anything but the streamDescriptor of the mp4a codecBox\n            codecConfig = codecBox.subarray(28);\n            codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));\n\n            if (codecConfigType === 'esds' && codecConfig.length > 20 && codecConfig[19] !== 0) {\n              track.codec += '.' + toHexString$1(codecConfig[19]); // this value is only a single digit\n\n              track.codec += '.' + toHexString$1(codecConfig[20] >>> 2 & 0x3f).replace(/^0/, '');\n            } else {\n              // TODO: show a warning that we couldn't parse the codec\n              // and are using the default\n              track.codec = 'mp4a.40.2';\n            }\n          }\n        }\n      }\n\n      var mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];\n\n      if (mdhd && tkhd) {\n        var index = version === 0 ? 12 : 20;\n        track.timescale = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);\n      }\n\n      tracks.push(track);\n    });\n    return tracks;\n  };\n\n  var probe = {\n    // export mp4 inspector's findBox and parseType for backwards compatibility\n    findBox: mp4Inspector.findBox,\n    parseType: mp4Inspector.parseType,\n    timescale: timescale,\n    startTime: startTime,\n    compositionStartTime: compositionStartTime,\n    videoTrackIds: getVideoTrackIds,\n    tracks: getTracks\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * Reads in-band caption information from a video elementary\n   * stream. Captions must follow the CEA-708 standard for injection\n   * into an MPEG-2 transport streams.\n   * @see https://en.wikipedia.org/wiki/CEA-708\n   * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf\n   */\n  // payload type field to indicate how they are to be\n  // interpreted. CEAS-708 caption content is always transmitted with\n  // payload type 0x04.\n\n  var USER_DATA_REGISTERED_ITU_T_T35 = 4,\n      RBSP_TRAILING_BITS = 128;\n  /**\n    * Parse a supplemental enhancement information (SEI) NAL unit.\n    * Stops parsing once a message of type ITU T T35 has been found.\n    *\n    * @param bytes {Uint8Array} the bytes of a SEI NAL unit\n    * @return {object} the parsed SEI payload\n    * @see Rec. ITU-T H.264, 7.3.2.3.1\n    */\n\n  var parseSei = function parseSei(bytes) {\n    var i = 0,\n        result = {\n      payloadType: -1,\n      payloadSize: 0\n    },\n        payloadType = 0,\n        payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message\n\n    while (i < bytes.byteLength) {\n      // stop once we have hit the end of the sei_rbsp\n      if (bytes[i] === RBSP_TRAILING_BITS) {\n        break;\n      } // Parse payload type\n\n\n      while (bytes[i] === 0xFF) {\n        payloadType += 255;\n        i++;\n      }\n\n      payloadType += bytes[i++]; // Parse payload size\n\n      while (bytes[i] === 0xFF) {\n        payloadSize += 255;\n        i++;\n      }\n\n      payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break\n      // there can only ever be one caption message in a frame's sei\n\n      if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {\n        result.payloadType = payloadType;\n        result.payloadSize = payloadSize;\n        result.payload = bytes.subarray(i, i + payloadSize);\n        break;\n      } // skip the payload and parse the next message\n\n\n      i += payloadSize;\n      payloadType = 0;\n      payloadSize = 0;\n    }\n\n    return result;\n  }; // see ANSI/SCTE 128-1 (2013), section 8.1\n\n\n  var parseUserData = function parseUserData(sei) {\n    // itu_t_t35_contry_code must be 181 (United States) for\n    // captions\n    if (sei.payload[0] !== 181) {\n      return null;\n    } // itu_t_t35_provider_code should be 49 (ATSC) for captions\n\n\n    if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {\n      return null;\n    } // the user_identifier should be \"GA94\" to indicate ATSC1 data\n\n\n    if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {\n      return null;\n    } // finally, user_data_type_code should be 0x03 for caption data\n\n\n    if (sei.payload[7] !== 0x03) {\n      return null;\n    } // return the user_data_type_structure and strip the trailing\n    // marker bits\n\n\n    return sei.payload.subarray(8, sei.payload.length - 1);\n  }; // see CEA-708-D, section 4.4\n\n\n  var parseCaptionPackets = function parseCaptionPackets(pts, userData) {\n    var results = [],\n        i,\n        count,\n        offset,\n        data; // if this is just filler, return immediately\n\n    if (!(userData[0] & 0x40)) {\n      return results;\n    } // parse out the cc_data_1 and cc_data_2 fields\n\n\n    count = userData[0] & 0x1f;\n\n    for (i = 0; i < count; i++) {\n      offset = i * 3;\n      data = {\n        type: userData[offset + 2] & 0x03,\n        pts: pts\n      }; // capture cc data when cc_valid is 1\n\n      if (userData[offset + 2] & 0x04) {\n        data.ccData = userData[offset + 3] << 8 | userData[offset + 4];\n        results.push(data);\n      }\n    }\n\n    return results;\n  };\n\n  var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n    var length = data.byteLength,\n        emulationPreventionBytesPositions = [],\n        i = 1,\n        newLength,\n        newData; // Find all `Emulation Prevention Bytes`\n\n    while (i < length - 2) {\n      if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n        emulationPreventionBytesPositions.push(i + 2);\n        i += 2;\n      } else {\n        i++;\n      }\n    } // If no Emulation Prevention Bytes were found just return the original\n    // array\n\n\n    if (emulationPreventionBytesPositions.length === 0) {\n      return data;\n    } // Create a new array to hold the NAL unit data\n\n\n    newLength = length - emulationPreventionBytesPositions.length;\n    newData = new Uint8Array(newLength);\n    var sourceIndex = 0;\n\n    for (i = 0; i < newLength; sourceIndex++, i++) {\n      if (sourceIndex === emulationPreventionBytesPositions[0]) {\n        // Skip this byte\n        sourceIndex++; // Remove this position index\n\n        emulationPreventionBytesPositions.shift();\n      }\n\n      newData[i] = data[sourceIndex];\n    }\n\n    return newData;\n  }; // exports\n\n\n  var captionPacketParser = {\n    parseSei: parseSei,\n    parseUserData: parseUserData,\n    parseCaptionPackets: parseCaptionPackets,\n    discardEmulationPreventionBytes: discardEmulationPreventionBytes,\n    USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * A lightweight readable stream implemention that handles event dispatching.\n   * Objects that inherit from streams should call init in their constructors.\n   */\n\n  var Stream$1 = function Stream() {\n    this.init = function () {\n      var listeners = {};\n      /**\n       * Add a listener for a specified event type.\n       * @param type {string} the event name\n       * @param listener {function} the callback to be invoked when an event of\n       * the specified type occurs\n       */\n\n      this.on = function (type, listener) {\n        if (!listeners[type]) {\n          listeners[type] = [];\n        }\n\n        listeners[type] = listeners[type].concat(listener);\n      };\n      /**\n       * Remove a listener for a specified event type.\n       * @param type {string} the event name\n       * @param listener {function} a function previously registered for this\n       * type of event through `on`\n       */\n\n\n      this.off = function (type, listener) {\n        var index;\n\n        if (!listeners[type]) {\n          return false;\n        }\n\n        index = listeners[type].indexOf(listener);\n        listeners[type] = listeners[type].slice();\n        listeners[type].splice(index, 1);\n        return index > -1;\n      };\n      /**\n       * Trigger an event of the specified type on this stream. Any additional\n       * arguments to this function are passed as parameters to event listeners.\n       * @param type {string} the event name\n       */\n\n\n      this.trigger = function (type) {\n        var callbacks, i, length, args;\n        callbacks = listeners[type];\n\n        if (!callbacks) {\n          return;\n        } // Slicing the arguments on every invocation of this method\n        // can add a significant amount of overhead. Avoid the\n        // intermediate object creation for the common case of a\n        // single callback argument\n\n\n        if (arguments.length === 2) {\n          length = callbacks.length;\n\n          for (i = 0; i < length; ++i) {\n            callbacks[i].call(this, arguments[1]);\n          }\n        } else {\n          args = [];\n          i = arguments.length;\n\n          for (i = 1; i < arguments.length; ++i) {\n            args.push(arguments[i]);\n          }\n\n          length = callbacks.length;\n\n          for (i = 0; i < length; ++i) {\n            callbacks[i].apply(this, args);\n          }\n        }\n      };\n      /**\n       * Destroys the stream and cleans up.\n       */\n\n\n      this.dispose = function () {\n        listeners = {};\n      };\n    };\n  };\n  /**\n   * Forwards all `data` events on this stream to the destination stream. The\n   * destination stream should provide a method `push` to receive the data\n   * events as they arrive.\n   * @param destination {stream} the stream that will receive all `data` events\n   * @param autoFlush {boolean} if false, we will not call `flush` on the destination\n   *                            when the current stream emits a 'done' event\n   * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n   */\n\n\n  Stream$1.prototype.pipe = function (destination) {\n    this.on('data', function (data) {\n      destination.push(data);\n    });\n    this.on('done', function (flushSource) {\n      destination.flush(flushSource);\n    });\n    this.on('partialdone', function (flushSource) {\n      destination.partialFlush(flushSource);\n    });\n    this.on('endedtimeline', function (flushSource) {\n      destination.endTimeline(flushSource);\n    });\n    this.on('reset', function (flushSource) {\n      destination.reset(flushSource);\n    });\n    return destination;\n  }; // Default stream functions that are expected to be overridden to perform\n  // actual work. These are provided by the prototype as a sort of no-op\n  // implementation so that we don't have to check for their existence in the\n  // `pipe` function above.\n\n\n  Stream$1.prototype.push = function (data) {\n    this.trigger('data', data);\n  };\n\n  Stream$1.prototype.flush = function (flushSource) {\n    this.trigger('done', flushSource);\n  };\n\n  Stream$1.prototype.partialFlush = function (flushSource) {\n    this.trigger('partialdone', flushSource);\n  };\n\n  Stream$1.prototype.endTimeline = function (flushSource) {\n    this.trigger('endedtimeline', flushSource);\n  };\n\n  Stream$1.prototype.reset = function (flushSource) {\n    this.trigger('reset', flushSource);\n  };\n\n  var stream = Stream$1;\n\n  // Link To Transport\n  // -----------------\n\n\n  var CaptionStream = function CaptionStream() {\n    CaptionStream.prototype.init.call(this);\n    this.captionPackets_ = [];\n    this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define\n    new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define\n    new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define\n    new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define\n    ];\n    this.reset(); // forward data and done events from CCs to this CaptionStream\n\n    this.ccStreams_.forEach(function (cc) {\n      cc.on('data', this.trigger.bind(this, 'data'));\n      cc.on('partialdone', this.trigger.bind(this, 'partialdone'));\n      cc.on('done', this.trigger.bind(this, 'done'));\n    }, this);\n  };\n\n  CaptionStream.prototype = new stream();\n\n  CaptionStream.prototype.push = function (event) {\n    var sei, userData, newCaptionPackets; // only examine SEI NALs\n\n    if (event.nalUnitType !== 'sei_rbsp') {\n      return;\n    } // parse the sei\n\n\n    sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35\n\n    if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {\n      return;\n    } // parse out the user data payload\n\n\n    userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData\n\n    if (!userData) {\n      return;\n    } // Sometimes, the same segment # will be downloaded twice. To stop the\n    // caption data from being processed twice, we track the latest dts we've\n    // received and ignore everything with a dts before that. However, since\n    // data for a specific dts can be split across packets on either side of\n    // a segment boundary, we need to make sure we *don't* ignore the packets\n    // from the *next* segment that have dts === this.latestDts_. By constantly\n    // tracking the number of packets received with dts === this.latestDts_, we\n    // know how many should be ignored once we start receiving duplicates.\n\n\n    if (event.dts < this.latestDts_) {\n      // We've started getting older data, so set the flag.\n      this.ignoreNextEqualDts_ = true;\n      return;\n    } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {\n      this.numSameDts_--;\n\n      if (!this.numSameDts_) {\n        // We've received the last duplicate packet, time to start processing again\n        this.ignoreNextEqualDts_ = false;\n      }\n\n      return;\n    } // parse out CC data packets and save them for later\n\n\n    newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);\n    this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);\n\n    if (this.latestDts_ !== event.dts) {\n      this.numSameDts_ = 0;\n    }\n\n    this.numSameDts_++;\n    this.latestDts_ = event.dts;\n  };\n\n  CaptionStream.prototype.flushCCStreams = function (flushType) {\n    this.ccStreams_.forEach(function (cc) {\n      return flushType === 'flush' ? cc.flush() : cc.partialFlush();\n    }, this);\n  };\n\n  CaptionStream.prototype.flushStream = function (flushType) {\n    // make sure we actually parsed captions before proceeding\n    if (!this.captionPackets_.length) {\n      this.flushCCStreams(flushType);\n      return;\n    } // In Chrome, the Array#sort function is not stable so add a\n    // presortIndex that we can use to ensure we get a stable-sort\n\n\n    this.captionPackets_.forEach(function (elem, idx) {\n      elem.presortIndex = idx;\n    }); // sort caption byte-pairs based on their PTS values\n\n    this.captionPackets_.sort(function (a, b) {\n      if (a.pts === b.pts) {\n        return a.presortIndex - b.presortIndex;\n      }\n\n      return a.pts - b.pts;\n    });\n    this.captionPackets_.forEach(function (packet) {\n      if (packet.type < 2) {\n        // Dispatch packet to the right Cea608Stream\n        this.dispatchCea608Packet(packet);\n      } // this is where an 'else' would go for a dispatching packets\n      // to a theoretical Cea708Stream that handles SERVICEn data\n\n    }, this);\n    this.captionPackets_.length = 0;\n    this.flushCCStreams(flushType);\n  };\n\n  CaptionStream.prototype.flush = function () {\n    return this.flushStream('flush');\n  }; // Only called if handling partial data\n\n\n  CaptionStream.prototype.partialFlush = function () {\n    return this.flushStream('partialFlush');\n  };\n\n  CaptionStream.prototype.reset = function () {\n    this.latestDts_ = null;\n    this.ignoreNextEqualDts_ = false;\n    this.numSameDts_ = 0;\n    this.activeCea608Channel_ = [null, null];\n    this.ccStreams_.forEach(function (ccStream) {\n      ccStream.reset();\n    });\n  }; // From the CEA-608 spec:\n\n  /*\n   * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed\n   * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is\n   * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair\n   * and subsequent data should then be processed according to the FCC rules. It may be necessary for the\n   * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)\n   * to switch to captioning or Text.\n  */\n  // With that in mind, we ignore any data between an XDS control code and a\n  // subsequent closed-captioning control code.\n\n\n  CaptionStream.prototype.dispatchCea608Packet = function (packet) {\n    // NOTE: packet.type is the CEA608 field\n    if (this.setsTextOrXDSActive(packet)) {\n      this.activeCea608Channel_[packet.type] = null;\n    } else if (this.setsChannel1Active(packet)) {\n      this.activeCea608Channel_[packet.type] = 0;\n    } else if (this.setsChannel2Active(packet)) {\n      this.activeCea608Channel_[packet.type] = 1;\n    }\n\n    if (this.activeCea608Channel_[packet.type] === null) {\n      // If we haven't received anything to set the active channel, or the\n      // packets are Text/XDS data, discard the data; we don't want jumbled\n      // captions\n      return;\n    }\n\n    this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);\n  };\n\n  CaptionStream.prototype.setsChannel1Active = function (packet) {\n    return (packet.ccData & 0x7800) === 0x1000;\n  };\n\n  CaptionStream.prototype.setsChannel2Active = function (packet) {\n    return (packet.ccData & 0x7800) === 0x1800;\n  };\n\n  CaptionStream.prototype.setsTextOrXDSActive = function (packet) {\n    return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;\n  }; // ----------------------\n  // Session to Application\n  // ----------------------\n  // This hash maps non-ASCII, special, and extended character codes to their\n  // proper Unicode equivalent. The first keys that are only a single byte\n  // are the non-standard ASCII characters, which simply map the CEA608 byte\n  // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608\n  // character codes, but have their MSB bitmasked with 0x03 so that a lookup\n  // can be performed regardless of the field and data channel on which the\n  // character code was received.\n\n\n  var CHARACTER_TRANSLATION = {\n    0x2a: 0xe1,\n    // á\n    0x5c: 0xe9,\n    // é\n    0x5e: 0xed,\n    // í\n    0x5f: 0xf3,\n    // ó\n    0x60: 0xfa,\n    // ú\n    0x7b: 0xe7,\n    // ç\n    0x7c: 0xf7,\n    // ÷\n    0x7d: 0xd1,\n    // Ñ\n    0x7e: 0xf1,\n    // ñ\n    0x7f: 0x2588,\n    // █\n    0x0130: 0xae,\n    // ®\n    0x0131: 0xb0,\n    // °\n    0x0132: 0xbd,\n    // ½\n    0x0133: 0xbf,\n    // ¿\n    0x0134: 0x2122,\n    // ™\n    0x0135: 0xa2,\n    // ¢\n    0x0136: 0xa3,\n    // £\n    0x0137: 0x266a,\n    // ♪\n    0x0138: 0xe0,\n    // à\n    0x0139: 0xa0,\n    //\n    0x013a: 0xe8,\n    // è\n    0x013b: 0xe2,\n    // â\n    0x013c: 0xea,\n    // ê\n    0x013d: 0xee,\n    // î\n    0x013e: 0xf4,\n    // ô\n    0x013f: 0xfb,\n    // û\n    0x0220: 0xc1,\n    // Á\n    0x0221: 0xc9,\n    // É\n    0x0222: 0xd3,\n    // Ó\n    0x0223: 0xda,\n    // Ú\n    0x0224: 0xdc,\n    // Ü\n    0x0225: 0xfc,\n    // ü\n    0x0226: 0x2018,\n    // ‘\n    0x0227: 0xa1,\n    // ¡\n    0x0228: 0x2a,\n    // *\n    0x0229: 0x27,\n    // '\n    0x022a: 0x2014,\n    // —\n    0x022b: 0xa9,\n    // ©\n    0x022c: 0x2120,\n    // ℠\n    0x022d: 0x2022,\n    // •\n    0x022e: 0x201c,\n    // “\n    0x022f: 0x201d,\n    // ”\n    0x0230: 0xc0,\n    // À\n    0x0231: 0xc2,\n    // Â\n    0x0232: 0xc7,\n    // Ç\n    0x0233: 0xc8,\n    // È\n    0x0234: 0xca,\n    // Ê\n    0x0235: 0xcb,\n    // Ë\n    0x0236: 0xeb,\n    // ë\n    0x0237: 0xce,\n    // Î\n    0x0238: 0xcf,\n    // Ï\n    0x0239: 0xef,\n    // ï\n    0x023a: 0xd4,\n    // Ô\n    0x023b: 0xd9,\n    // Ù\n    0x023c: 0xf9,\n    // ù\n    0x023d: 0xdb,\n    // Û\n    0x023e: 0xab,\n    // «\n    0x023f: 0xbb,\n    // »\n    0x0320: 0xc3,\n    // Ã\n    0x0321: 0xe3,\n    // ã\n    0x0322: 0xcd,\n    // Í\n    0x0323: 0xcc,\n    // Ì\n    0x0324: 0xec,\n    // ì\n    0x0325: 0xd2,\n    // Ò\n    0x0326: 0xf2,\n    // ò\n    0x0327: 0xd5,\n    // Õ\n    0x0328: 0xf5,\n    // õ\n    0x0329: 0x7b,\n    // {\n    0x032a: 0x7d,\n    // }\n    0x032b: 0x5c,\n    // \\\n    0x032c: 0x5e,\n    // ^\n    0x032d: 0x5f,\n    // _\n    0x032e: 0x7c,\n    // |\n    0x032f: 0x7e,\n    // ~\n    0x0330: 0xc4,\n    // Ä\n    0x0331: 0xe4,\n    // ä\n    0x0332: 0xd6,\n    // Ö\n    0x0333: 0xf6,\n    // ö\n    0x0334: 0xdf,\n    // ß\n    0x0335: 0xa5,\n    // ¥\n    0x0336: 0xa4,\n    // ¤\n    0x0337: 0x2502,\n    // │\n    0x0338: 0xc5,\n    // Å\n    0x0339: 0xe5,\n    // å\n    0x033a: 0xd8,\n    // Ø\n    0x033b: 0xf8,\n    // ø\n    0x033c: 0x250c,\n    // ┌\n    0x033d: 0x2510,\n    // ┐\n    0x033e: 0x2514,\n    // └\n    0x033f: 0x2518 // ┘\n\n  };\n\n  var getCharFromCode = function getCharFromCode(code) {\n    if (code === null) {\n      return '';\n    }\n\n    code = CHARACTER_TRANSLATION[code] || code;\n    return String.fromCharCode(code);\n  }; // the index of the last row in a CEA-608 display buffer\n\n\n  var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of\n  // getting it through bit logic.\n\n  var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character\n  // cells. The \"bottom\" row is the last element in the outer array.\n\n  var createDisplayBuffer = function createDisplayBuffer() {\n    var result = [],\n        i = BOTTOM_ROW + 1;\n\n    while (i--) {\n      result.push('');\n    }\n\n    return result;\n  };\n\n  var Cea608Stream = function Cea608Stream(field, dataChannel) {\n    Cea608Stream.prototype.init.call(this);\n    this.field_ = field || 0;\n    this.dataChannel_ = dataChannel || 0;\n    this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);\n    this.setConstants();\n    this.reset();\n\n    this.push = function (packet) {\n      var data, swap, char0, char1, text; // remove the parity bits\n\n      data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice\n\n      if (data === this.lastControlCode_) {\n        this.lastControlCode_ = null;\n        return;\n      } // Store control codes\n\n\n      if ((data & 0xf000) === 0x1000) {\n        this.lastControlCode_ = data;\n      } else if (data !== this.PADDING_) {\n        this.lastControlCode_ = null;\n      }\n\n      char0 = data >>> 8;\n      char1 = data & 0xff;\n\n      if (data === this.PADDING_) {\n        return;\n      } else if (data === this.RESUME_CAPTION_LOADING_) {\n        this.mode_ = 'popOn';\n      } else if (data === this.END_OF_CAPTION_) {\n        // If an EOC is received while in paint-on mode, the displayed caption\n        // text should be swapped to non-displayed memory as if it was a pop-on\n        // caption. Because of that, we should explicitly switch back to pop-on\n        // mode\n        this.mode_ = 'popOn';\n        this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now\n\n        this.flushDisplayed(packet.pts); // flip memory\n\n        swap = this.displayed_;\n        this.displayed_ = this.nonDisplayed_;\n        this.nonDisplayed_ = swap; // start measuring the time to display the caption\n\n        this.startPts_ = packet.pts;\n      } else if (data === this.ROLL_UP_2_ROWS_) {\n        this.rollUpRows_ = 2;\n        this.setRollUp(packet.pts);\n      } else if (data === this.ROLL_UP_3_ROWS_) {\n        this.rollUpRows_ = 3;\n        this.setRollUp(packet.pts);\n      } else if (data === this.ROLL_UP_4_ROWS_) {\n        this.rollUpRows_ = 4;\n        this.setRollUp(packet.pts);\n      } else if (data === this.CARRIAGE_RETURN_) {\n        this.clearFormatting(packet.pts);\n        this.flushDisplayed(packet.pts);\n        this.shiftRowsUp_();\n        this.startPts_ = packet.pts;\n      } else if (data === this.BACKSPACE_) {\n        if (this.mode_ === 'popOn') {\n          this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n        } else {\n          this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n        }\n      } else if (data === this.ERASE_DISPLAYED_MEMORY_) {\n        this.flushDisplayed(packet.pts);\n        this.displayed_ = createDisplayBuffer();\n      } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {\n        this.nonDisplayed_ = createDisplayBuffer();\n      } else if (data === this.RESUME_DIRECT_CAPTIONING_) {\n        if (this.mode_ !== 'paintOn') {\n          // NOTE: This should be removed when proper caption positioning is\n          // implemented\n          this.flushDisplayed(packet.pts);\n          this.displayed_ = createDisplayBuffer();\n        }\n\n        this.mode_ = 'paintOn';\n        this.startPts_ = packet.pts; // Append special characters to caption text\n      } else if (this.isSpecialCharacter(char0, char1)) {\n        // Bitmask char0 so that we can apply character transformations\n        // regardless of field and data channel.\n        // Then byte-shift to the left and OR with char1 so we can pass the\n        // entire character code to `getCharFromCode`.\n        char0 = (char0 & 0x03) << 8;\n        text = getCharFromCode(char0 | char1);\n        this[this.mode_](packet.pts, text);\n        this.column_++; // Append extended characters to caption text\n      } else if (this.isExtCharacter(char0, char1)) {\n        // Extended characters always follow their \"non-extended\" equivalents.\n        // IE if a \"è\" is desired, you'll always receive \"eè\"; non-compliant\n        // decoders are supposed to drop the \"è\", while compliant decoders\n        // backspace the \"e\" and insert \"è\".\n        // Delete the previous character\n        if (this.mode_ === 'popOn') {\n          this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n        } else {\n          this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n        } // Bitmask char0 so that we can apply character transformations\n        // regardless of field and data channel.\n        // Then byte-shift to the left and OR with char1 so we can pass the\n        // entire character code to `getCharFromCode`.\n\n\n        char0 = (char0 & 0x03) << 8;\n        text = getCharFromCode(char0 | char1);\n        this[this.mode_](packet.pts, text);\n        this.column_++; // Process mid-row codes\n      } else if (this.isMidRowCode(char0, char1)) {\n        // Attributes are not additive, so clear all formatting\n        this.clearFormatting(packet.pts); // According to the standard, mid-row codes\n        // should be replaced with spaces, so add one now\n\n        this[this.mode_](packet.pts, ' ');\n        this.column_++;\n\n        if ((char1 & 0xe) === 0xe) {\n          this.addFormatting(packet.pts, ['i']);\n        }\n\n        if ((char1 & 0x1) === 0x1) {\n          this.addFormatting(packet.pts, ['u']);\n        } // Detect offset control codes and adjust cursor\n\n      } else if (this.isOffsetControlCode(char0, char1)) {\n        // Cursor position is set by indent PAC (see below) in 4-column\n        // increments, with an additional offset code of 1-3 to reach any\n        // of the 32 columns specified by CEA-608. So all we need to do\n        // here is increment the column cursor by the given offset.\n        this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)\n      } else if (this.isPAC(char0, char1)) {\n        // There's no logic for PAC -> row mapping, so we have to just\n        // find the row code in an array and use its index :(\n        var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode\n\n        if (this.mode_ === 'rollUp') {\n          // This implies that the base row is incorrectly set.\n          // As per the recommendation in CEA-608(Base Row Implementation), defer to the number\n          // of roll-up rows set.\n          if (row - this.rollUpRows_ + 1 < 0) {\n            row = this.rollUpRows_ - 1;\n          }\n\n          this.setRollUp(packet.pts, row);\n        }\n\n        if (row !== this.row_) {\n          // formatting is only persistent for current row\n          this.clearFormatting(packet.pts);\n          this.row_ = row;\n        } // All PACs can apply underline, so detect and apply\n        // (All odd-numbered second bytes set underline)\n\n\n        if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {\n          this.addFormatting(packet.pts, ['u']);\n        }\n\n        if ((data & 0x10) === 0x10) {\n          // We've got an indent level code. Each successive even number\n          // increments the column cursor by 4, so we can get the desired\n          // column position by bit-shifting to the right (to get n/2)\n          // and multiplying by 4.\n          this.column_ = ((data & 0xe) >> 1) * 4;\n        }\n\n        if (this.isColorPAC(char1)) {\n          // it's a color code, though we only support white, which\n          // can be either normal or italicized. white italics can be\n          // either 0x4e or 0x6e depending on the row, so we just\n          // bitwise-and with 0xe to see if italics should be turned on\n          if ((char1 & 0xe) === 0xe) {\n            this.addFormatting(packet.pts, ['i']);\n          }\n        } // We have a normal character in char0, and possibly one in char1\n\n      } else if (this.isNormalChar(char0)) {\n        if (char1 === 0x00) {\n          char1 = null;\n        }\n\n        text = getCharFromCode(char0);\n        text += getCharFromCode(char1);\n        this[this.mode_](packet.pts, text);\n        this.column_ += text.length;\n      } // finish data processing\n\n    };\n  };\n\n  Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the\n  // display buffer\n\n  Cea608Stream.prototype.flushDisplayed = function (pts) {\n    var content = this.displayed_ // remove spaces from the start and end of the string\n    .map(function (row) {\n      try {\n        return row.trim();\n      } catch (e) {\n        // Ordinarily, this shouldn't happen. However, caption\n        // parsing errors should not throw exceptions and\n        // break playback.\n        // eslint-disable-next-line no-console\n        console.error('Skipping malformed caption.');\n        return '';\n      }\n    }) // combine all text rows to display in one cue\n    .join('\\n') // and remove blank rows from the start and end, but not the middle\n    .replace(/^\\n+|\\n+$/g, '');\n\n    if (content.length) {\n      this.trigger('data', {\n        startPts: this.startPts_,\n        endPts: pts,\n        text: content,\n        stream: this.name_\n      });\n    }\n  };\n  /**\n   * Zero out the data, used for startup and on seek\n   */\n\n\n  Cea608Stream.prototype.reset = function () {\n    this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will\n    // actually display captions. If a caption is shifted to a row\n    // with a lower index than this, it is cleared from the display\n    // buffer\n\n    this.topRow_ = 0;\n    this.startPts_ = 0;\n    this.displayed_ = createDisplayBuffer();\n    this.nonDisplayed_ = createDisplayBuffer();\n    this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing\n\n    this.column_ = 0;\n    this.row_ = BOTTOM_ROW;\n    this.rollUpRows_ = 2; // This variable holds currently-applied formatting\n\n    this.formatting_ = [];\n  };\n  /**\n   * Sets up control code and related constants for this instance\n   */\n\n\n  Cea608Stream.prototype.setConstants = function () {\n    // The following attributes have these uses:\n    // ext_ :    char0 for mid-row codes, and the base for extended\n    //           chars (ext_+0, ext_+1, and ext_+2 are char0s for\n    //           extended codes)\n    // control_: char0 for control codes, except byte-shifted to the\n    //           left so that we can do this.control_ | CONTROL_CODE\n    // offset_:  char0 for tab offset codes\n    //\n    // It's also worth noting that control codes, and _only_ control codes,\n    // differ between field 1 and field2. Field 2 control codes are always\n    // their field 1 value plus 1. That's why there's the \"| field\" on the\n    // control value.\n    if (this.dataChannel_ === 0) {\n      this.BASE_ = 0x10;\n      this.EXT_ = 0x11;\n      this.CONTROL_ = (0x14 | this.field_) << 8;\n      this.OFFSET_ = 0x17;\n    } else if (this.dataChannel_ === 1) {\n      this.BASE_ = 0x18;\n      this.EXT_ = 0x19;\n      this.CONTROL_ = (0x1c | this.field_) << 8;\n      this.OFFSET_ = 0x1f;\n    } // Constants for the LSByte command codes recognized by Cea608Stream. This\n    // list is not exhaustive. For a more comprehensive listing and semantics see\n    // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf\n    // Padding\n\n\n    this.PADDING_ = 0x0000; // Pop-on Mode\n\n    this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;\n    this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode\n\n    this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;\n    this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;\n    this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;\n    this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode\n\n    this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure\n\n    this.BACKSPACE_ = this.CONTROL_ | 0x21;\n    this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;\n    this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;\n  };\n  /**\n   * Detects if the 2-byte packet data is a special character\n   *\n   * Special characters have a second byte in the range 0x30 to 0x3f,\n   * with the first byte being 0x11 (for data channel 1) or 0x19 (for\n   * data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an special character\n   */\n\n\n  Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {\n    return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;\n  };\n  /**\n   * Detects if the 2-byte packet data is an extended character\n   *\n   * Extended characters have a second byte in the range 0x20 to 0x3f,\n   * with the first byte being 0x12 or 0x13 (for data channel 1) or\n   * 0x1a or 0x1b (for data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an extended character\n   */\n\n\n  Cea608Stream.prototype.isExtCharacter = function (char0, char1) {\n    return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;\n  };\n  /**\n   * Detects if the 2-byte packet is a mid-row code\n   *\n   * Mid-row codes have a second byte in the range 0x20 to 0x2f, with\n   * the first byte being 0x11 (for data channel 1) or 0x19 (for data\n   * channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are a mid-row code\n   */\n\n\n  Cea608Stream.prototype.isMidRowCode = function (char0, char1) {\n    return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;\n  };\n  /**\n   * Detects if the 2-byte packet is an offset control code\n   *\n   * Offset control codes have a second byte in the range 0x21 to 0x23,\n   * with the first byte being 0x17 (for data channel 1) or 0x1f (for\n   * data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an offset control code\n   */\n\n\n  Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {\n    return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;\n  };\n  /**\n   * Detects if the 2-byte packet is a Preamble Address Code\n   *\n   * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)\n   * or 0x18 to 0x1f (for data channel 2), with the second byte in the\n   * range 0x40 to 0x7f.\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are a PAC\n   */\n\n\n  Cea608Stream.prototype.isPAC = function (char0, char1) {\n    return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;\n  };\n  /**\n   * Detects if a packet's second byte is in the range of a PAC color code\n   *\n   * PAC color codes have the second byte be in the range 0x40 to 0x4f, or\n   * 0x60 to 0x6f.\n   *\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the byte is a color PAC\n   */\n\n\n  Cea608Stream.prototype.isColorPAC = function (char1) {\n    return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;\n  };\n  /**\n   * Detects if a single byte is in the range of a normal character\n   *\n   * Normal text bytes are in the range 0x20 to 0x7f.\n   *\n   * @param  {Integer} char  The byte\n   * @return {Boolean}       Whether the byte is a normal character\n   */\n\n\n  Cea608Stream.prototype.isNormalChar = function (_char) {\n    return _char >= 0x20 && _char <= 0x7f;\n  };\n  /**\n   * Configures roll-up\n   *\n   * @param  {Integer} pts         Current PTS\n   * @param  {Integer} newBaseRow  Used by PACs to slide the current window to\n   *                               a new position\n   */\n\n\n  Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {\n    // Reset the base row to the bottom row when switching modes\n    if (this.mode_ !== 'rollUp') {\n      this.row_ = BOTTOM_ROW;\n      this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up\n\n      this.flushDisplayed(pts);\n      this.nonDisplayed_ = createDisplayBuffer();\n      this.displayed_ = createDisplayBuffer();\n    }\n\n    if (newBaseRow !== undefined && newBaseRow !== this.row_) {\n      // move currently displayed captions (up or down) to the new base row\n      for (var i = 0; i < this.rollUpRows_; i++) {\n        this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];\n        this.displayed_[this.row_ - i] = '';\n      }\n    }\n\n    if (newBaseRow === undefined) {\n      newBaseRow = this.row_;\n    }\n\n    this.topRow_ = newBaseRow - this.rollUpRows_ + 1;\n  }; // Adds the opening HTML tag for the passed character to the caption text,\n  // and keeps track of it for later closing\n\n\n  Cea608Stream.prototype.addFormatting = function (pts, format) {\n    this.formatting_ = this.formatting_.concat(format);\n    var text = format.reduce(function (text, format) {\n      return text + '<' + format + '>';\n    }, '');\n    this[this.mode_](pts, text);\n  }; // Adds HTML closing tags for current formatting to caption text and\n  // clears remembered formatting\n\n\n  Cea608Stream.prototype.clearFormatting = function (pts) {\n    if (!this.formatting_.length) {\n      return;\n    }\n\n    var text = this.formatting_.reverse().reduce(function (text, format) {\n      return text + '</' + format + '>';\n    }, '');\n    this.formatting_ = [];\n    this[this.mode_](pts, text);\n  }; // Mode Implementations\n\n\n  Cea608Stream.prototype.popOn = function (pts, text) {\n    var baseRow = this.nonDisplayed_[this.row_]; // buffer characters\n\n    baseRow += text;\n    this.nonDisplayed_[this.row_] = baseRow;\n  };\n\n  Cea608Stream.prototype.rollUp = function (pts, text) {\n    var baseRow = this.displayed_[this.row_];\n    baseRow += text;\n    this.displayed_[this.row_] = baseRow;\n  };\n\n  Cea608Stream.prototype.shiftRowsUp_ = function () {\n    var i; // clear out inactive rows\n\n    for (i = 0; i < this.topRow_; i++) {\n      this.displayed_[i] = '';\n    }\n\n    for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {\n      this.displayed_[i] = '';\n    } // shift displayed rows up\n\n\n    for (i = this.topRow_; i < this.row_; i++) {\n      this.displayed_[i] = this.displayed_[i + 1];\n    } // clear out the bottom row\n\n\n    this.displayed_[this.row_] = '';\n  };\n\n  Cea608Stream.prototype.paintOn = function (pts, text) {\n    var baseRow = this.displayed_[this.row_];\n    baseRow += text;\n    this.displayed_[this.row_] = baseRow;\n  }; // exports\n\n\n  var captionStream = {\n    CaptionStream: CaptionStream,\n    Cea608Stream: Cea608Stream\n  };\n\n  var discardEmulationPreventionBytes$1 = captionPacketParser.discardEmulationPreventionBytes;\n  var CaptionStream$1 = captionStream.CaptionStream;\n  /**\n    * Maps an offset in the mdat to a sample based on the the size of the samples.\n    * Assumes that `parseSamples` has been called first.\n    *\n    * @param {Number} offset - The offset into the mdat\n    * @param {Object[]} samples - An array of samples, parsed using `parseSamples`\n    * @return {?Object} The matching sample, or null if no match was found.\n    *\n    * @see ISO-BMFF-12/2015, Section 8.8.8\n   **/\n\n  var mapToSample = function mapToSample(offset, samples) {\n    var approximateOffset = offset;\n\n    for (var i = 0; i < samples.length; i++) {\n      var sample = samples[i];\n\n      if (approximateOffset < sample.size) {\n        return sample;\n      }\n\n      approximateOffset -= sample.size;\n    }\n\n    return null;\n  };\n  /**\n    * Finds SEI nal units contained in a Media Data Box.\n    * Assumes that `parseSamples` has been called first.\n    *\n    * @param {Uint8Array} avcStream - The bytes of the mdat\n    * @param {Object[]} samples - The samples parsed out by `parseSamples`\n    * @param {Number} trackId - The trackId of this video track\n    * @return {Object[]} seiNals - the parsed SEI NALUs found.\n    *   The contents of the seiNal should match what is expected by\n    *   CaptionStream.push (nalUnitType, size, data, escapedRBSP, pts, dts)\n    *\n    * @see ISO-BMFF-12/2015, Section 8.1.1\n    * @see Rec. ITU-T H.264, 7.3.2.3.1\n   **/\n\n\n  var findSeiNals = function findSeiNals(avcStream, samples, trackId) {\n    var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),\n        result = [],\n        seiNal,\n        i,\n        length,\n        lastMatchedSample;\n\n    for (i = 0; i + 4 < avcStream.length; i += length) {\n      length = avcView.getUint32(i);\n      i += 4; // Bail if this doesn't appear to be an H264 stream\n\n      if (length <= 0) {\n        continue;\n      }\n\n      switch (avcStream[i] & 0x1F) {\n        case 0x06:\n          var data = avcStream.subarray(i + 1, i + 1 + length);\n          var matchingSample = mapToSample(i, samples);\n          seiNal = {\n            nalUnitType: 'sei_rbsp',\n            size: length,\n            data: data,\n            escapedRBSP: discardEmulationPreventionBytes$1(data),\n            trackId: trackId\n          };\n\n          if (matchingSample) {\n            seiNal.pts = matchingSample.pts;\n            seiNal.dts = matchingSample.dts;\n            lastMatchedSample = matchingSample;\n          } else {\n            // If a matching sample cannot be found, use the last\n            // sample's values as they should be as close as possible\n            seiNal.pts = lastMatchedSample.pts;\n            seiNal.dts = lastMatchedSample.dts;\n          }\n\n          result.push(seiNal);\n          break;\n\n        default:\n          break;\n      }\n    }\n\n    return result;\n  };\n  /**\n    * Parses sample information out of Track Run Boxes and calculates\n    * the absolute presentation and decode timestamps of each sample.\n    *\n    * @param {Array<Uint8Array>} truns - The Trun Run boxes to be parsed\n    * @param {Number} baseMediaDecodeTime - base media decode time from tfdt\n        @see ISO-BMFF-12/2015, Section 8.8.12\n    * @param {Object} tfhd - The parsed Track Fragment Header\n    *   @see inspect.parseTfhd\n    * @return {Object[]} the parsed samples\n    *\n    * @see ISO-BMFF-12/2015, Section 8.8.8\n   **/\n\n\n  var parseSamples = function parseSamples(truns, baseMediaDecodeTime, tfhd) {\n    var currentDts = baseMediaDecodeTime;\n    var defaultSampleDuration = tfhd.defaultSampleDuration || 0;\n    var defaultSampleSize = tfhd.defaultSampleSize || 0;\n    var trackId = tfhd.trackId;\n    var allSamples = [];\n    truns.forEach(function (trun) {\n      // Note: We currently do not parse the sample table as well\n      // as the trun. It's possible some sources will require this.\n      // moov > trak > mdia > minf > stbl\n      var trackRun = mp4Inspector.parseTrun(trun);\n      var samples = trackRun.samples;\n      samples.forEach(function (sample) {\n        if (sample.duration === undefined) {\n          sample.duration = defaultSampleDuration;\n        }\n\n        if (sample.size === undefined) {\n          sample.size = defaultSampleSize;\n        }\n\n        sample.trackId = trackId;\n        sample.dts = currentDts;\n\n        if (sample.compositionTimeOffset === undefined) {\n          sample.compositionTimeOffset = 0;\n        }\n\n        sample.pts = currentDts + sample.compositionTimeOffset;\n        currentDts += sample.duration;\n      });\n      allSamples = allSamples.concat(samples);\n    });\n    return allSamples;\n  };\n  /**\n    * Parses out caption nals from an FMP4 segment's video tracks.\n    *\n    * @param {Uint8Array} segment - The bytes of a single segment\n    * @param {Number} videoTrackId - The trackId of a video track in the segment\n    * @return {Object.<Number, Object[]>} A mapping of video trackId to\n    *   a list of seiNals found in that track\n   **/\n\n\n  var parseCaptionNals = function parseCaptionNals(segment, videoTrackId) {\n    // To get the samples\n    var trafs = probe.findBox(segment, ['moof', 'traf']); // To get SEI NAL units\n\n    var mdats = probe.findBox(segment, ['mdat']);\n    var captionNals = {};\n    var mdatTrafPairs = []; // Pair up each traf with a mdat as moofs and mdats are in pairs\n\n    mdats.forEach(function (mdat, index) {\n      var matchingTraf = trafs[index];\n      mdatTrafPairs.push({\n        mdat: mdat,\n        traf: matchingTraf\n      });\n    });\n    mdatTrafPairs.forEach(function (pair) {\n      var mdat = pair.mdat;\n      var traf = pair.traf;\n      var tfhd = probe.findBox(traf, ['tfhd']); // Exactly 1 tfhd per traf\n\n      var headerInfo = mp4Inspector.parseTfhd(tfhd[0]);\n      var trackId = headerInfo.trackId;\n      var tfdt = probe.findBox(traf, ['tfdt']); // Either 0 or 1 tfdt per traf\n\n      var baseMediaDecodeTime = tfdt.length > 0 ? mp4Inspector.parseTfdt(tfdt[0]).baseMediaDecodeTime : 0;\n      var truns = probe.findBox(traf, ['trun']);\n      var samples;\n      var seiNals; // Only parse video data for the chosen video track\n\n      if (videoTrackId === trackId && truns.length > 0) {\n        samples = parseSamples(truns, baseMediaDecodeTime, headerInfo);\n        seiNals = findSeiNals(mdat, samples, trackId);\n\n        if (!captionNals[trackId]) {\n          captionNals[trackId] = [];\n        }\n\n        captionNals[trackId] = captionNals[trackId].concat(seiNals);\n      }\n    });\n    return captionNals;\n  };\n  /**\n    * Parses out inband captions from an MP4 container and returns\n    * caption objects that can be used by WebVTT and the TextTrack API.\n    * @see https://developer.mozilla.org/en-US/docs/Web/API/VTTCue\n    * @see https://developer.mozilla.org/en-US/docs/Web/API/TextTrack\n    * Assumes that `probe.getVideoTrackIds` and `probe.timescale` have been called first\n    *\n    * @param {Uint8Array} segment - The fmp4 segment containing embedded captions\n    * @param {Number} trackId - The id of the video track to parse\n    * @param {Number} timescale - The timescale for the video track from the init segment\n    *\n    * @return {?Object[]} parsedCaptions - A list of captions or null if no video tracks\n    * @return {Number} parsedCaptions[].startTime - The time to show the caption in seconds\n    * @return {Number} parsedCaptions[].endTime - The time to stop showing the caption in seconds\n    * @return {String} parsedCaptions[].text - The visible content of the caption\n   **/\n\n\n  var parseEmbeddedCaptions = function parseEmbeddedCaptions(segment, trackId, timescale) {\n    var seiNals; // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there\n\n    if (trackId === null) {\n      return null;\n    }\n\n    seiNals = parseCaptionNals(segment, trackId);\n    return {\n      seiNals: seiNals[trackId],\n      timescale: timescale\n    };\n  };\n  /**\n    * Converts SEI NALUs into captions that can be used by video.js\n   **/\n\n\n  var CaptionParser = function CaptionParser() {\n    var isInitialized = false;\n    var captionStream; // Stores segments seen before trackId and timescale are set\n\n    var segmentCache; // Stores video track ID of the track being parsed\n\n    var trackId; // Stores the timescale of the track being parsed\n\n    var timescale; // Stores captions parsed so far\n\n    var parsedCaptions; // Stores whether we are receiving partial data or not\n\n    var parsingPartial;\n    /**\n      * A method to indicate whether a CaptionParser has been initalized\n      * @returns {Boolean}\n     **/\n\n    this.isInitialized = function () {\n      return isInitialized;\n    };\n    /**\n      * Initializes the underlying CaptionStream, SEI NAL parsing\n      * and management, and caption collection\n     **/\n\n\n    this.init = function (options) {\n      captionStream = new CaptionStream$1();\n      isInitialized = true;\n      parsingPartial = options ? options.isPartial : false; // Collect dispatched captions\n\n      captionStream.on('data', function (event) {\n        // Convert to seconds in the source's timescale\n        event.startTime = event.startPts / timescale;\n        event.endTime = event.endPts / timescale;\n        parsedCaptions.captions.push(event);\n        parsedCaptions.captionStreams[event.stream] = true;\n      });\n    };\n    /**\n      * Determines if a new video track will be selected\n      * or if the timescale changed\n      * @return {Boolean}\n     **/\n\n\n    this.isNewInit = function (videoTrackIds, timescales) {\n      if (videoTrackIds && videoTrackIds.length === 0 || timescales && typeof timescales === 'object' && Object.keys(timescales).length === 0) {\n        return false;\n      }\n\n      return trackId !== videoTrackIds[0] || timescale !== timescales[trackId];\n    };\n    /**\n      * Parses out SEI captions and interacts with underlying\n      * CaptionStream to return dispatched captions\n      *\n      * @param {Uint8Array} segment - The fmp4 segment containing embedded captions\n      * @param {Number[]} videoTrackIds - A list of video tracks found in the init segment\n      * @param {Object.<Number, Number>} timescales - The timescales found in the init segment\n      * @see parseEmbeddedCaptions\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.parse = function (segment, videoTrackIds, timescales) {\n      var parsedData;\n\n      if (!this.isInitialized()) {\n        return null; // This is not likely to be a video segment\n      } else if (!videoTrackIds || !timescales) {\n        return null;\n      } else if (this.isNewInit(videoTrackIds, timescales)) {\n        // Use the first video track only as there is no\n        // mechanism to switch to other video tracks\n        trackId = videoTrackIds[0];\n        timescale = timescales[trackId]; // If an init segment has not been seen yet, hold onto segment\n        // data until we have one.\n        // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there\n      } else if (trackId === null || !timescale) {\n        segmentCache.push(segment);\n        return null;\n      } // Now that a timescale and trackId is set, parse cached segments\n\n\n      while (segmentCache.length > 0) {\n        var cachedSegment = segmentCache.shift();\n        this.parse(cachedSegment, videoTrackIds, timescales);\n      }\n\n      parsedData = parseEmbeddedCaptions(segment, trackId, timescale);\n\n      if (parsedData === null || !parsedData.seiNals) {\n        return null;\n      }\n\n      this.pushNals(parsedData.seiNals); // Force the parsed captions to be dispatched\n\n      this.flushStream();\n      return parsedCaptions;\n    };\n    /**\n      * Pushes SEI NALUs onto CaptionStream\n      * @param {Object[]} nals - A list of SEI nals parsed using `parseCaptionNals`\n      * Assumes that `parseCaptionNals` has been called first\n      * @see m2ts/caption-stream.js\n      **/\n\n\n    this.pushNals = function (nals) {\n      if (!this.isInitialized() || !nals || nals.length === 0) {\n        return null;\n      }\n\n      nals.forEach(function (nal) {\n        captionStream.push(nal);\n      });\n    };\n    /**\n      * Flushes underlying CaptionStream to dispatch processed, displayable captions\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.flushStream = function () {\n      if (!this.isInitialized()) {\n        return null;\n      }\n\n      if (!parsingPartial) {\n        captionStream.flush();\n      } else {\n        captionStream.partialFlush();\n      }\n    };\n    /**\n      * Reset caption buckets for new data\n     **/\n\n\n    this.clearParsedCaptions = function () {\n      parsedCaptions.captions = [];\n      parsedCaptions.captionStreams = {};\n    };\n    /**\n      * Resets underlying CaptionStream\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.resetCaptionStream = function () {\n      if (!this.isInitialized()) {\n        return null;\n      }\n\n      captionStream.reset();\n    };\n    /**\n      * Convenience method to clear all captions flushed from the\n      * CaptionStream and still being parsed\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.clearAllCaptions = function () {\n      this.clearParsedCaptions();\n      this.resetCaptionStream();\n    };\n    /**\n      * Reset caption parser\n     **/\n\n\n    this.reset = function () {\n      segmentCache = [];\n      trackId = null;\n      timescale = null;\n\n      if (!parsedCaptions) {\n        parsedCaptions = {\n          captions: [],\n          // CC1, CC2, CC3, CC4\n          captionStreams: {}\n        };\n      } else {\n        this.clearParsedCaptions();\n      }\n\n      this.resetCaptionStream();\n    };\n\n    this.reset();\n  };\n\n  var captionParser = CaptionParser;\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n\n  var streamTypes = {\n    H264_STREAM_TYPE: 0x1B,\n    ADTS_STREAM_TYPE: 0x0F,\n    METADATA_STREAM_TYPE: 0x15\n  };\n\n  var MAX_TS = 8589934592;\n  var RO_THRESH = 4294967296;\n  var TYPE_SHARED = 'shared';\n\n  var handleRollover = function handleRollover(value, reference) {\n    var direction = 1;\n\n    if (value > reference) {\n      // If the current timestamp value is greater than our reference timestamp and we detect a\n      // timestamp rollover, this means the roll over is happening in the opposite direction.\n      // Example scenario: Enter a long stream/video just after a rollover occurred. The reference\n      // point will be set to a small number, e.g. 1. The user then seeks backwards over the\n      // rollover point. In loading this segment, the timestamp values will be very large,\n      // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust\n      // the time stamp to be `value - 2^33`.\n      direction = -1;\n    } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will\n    // cause an incorrect adjustment.\n\n\n    while (Math.abs(reference - value) > RO_THRESH) {\n      value += direction * MAX_TS;\n    }\n\n    return value;\n  };\n\n  var TimestampRolloverStream = function TimestampRolloverStream(type) {\n    var lastDTS, referenceDTS;\n    TimestampRolloverStream.prototype.init.call(this); // The \"shared\" type is used in cases where a stream will contain muxed\n    // video and audio. We could use `undefined` here, but having a string\n    // makes debugging a little clearer.\n\n    this.type_ = type || TYPE_SHARED;\n\n    this.push = function (data) {\n      // Any \"shared\" rollover streams will accept _all_ data. Otherwise,\n      // streams will only accept data that matches their type.\n      if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {\n        return;\n      }\n\n      if (referenceDTS === undefined) {\n        referenceDTS = data.dts;\n      }\n\n      data.dts = handleRollover(data.dts, referenceDTS);\n      data.pts = handleRollover(data.pts, referenceDTS);\n      lastDTS = data.dts;\n      this.trigger('data', data);\n    };\n\n    this.flush = function () {\n      referenceDTS = lastDTS;\n      this.trigger('done');\n    };\n\n    this.endTimeline = function () {\n      this.flush();\n      this.trigger('endedtimeline');\n    };\n\n    this.discontinuity = function () {\n      referenceDTS = void 0;\n      lastDTS = void 0;\n    };\n\n    this.reset = function () {\n      this.discontinuity();\n      this.trigger('reset');\n    };\n  };\n\n  TimestampRolloverStream.prototype = new stream();\n  var timestampRolloverStream = {\n    TimestampRolloverStream: TimestampRolloverStream,\n    handleRollover: handleRollover\n  };\n\n  var parsePid = function parsePid(packet) {\n    var pid = packet[1] & 0x1f;\n    pid <<= 8;\n    pid |= packet[2];\n    return pid;\n  };\n\n  var parsePayloadUnitStartIndicator = function parsePayloadUnitStartIndicator(packet) {\n    return !!(packet[1] & 0x40);\n  };\n\n  var parseAdaptionField = function parseAdaptionField(packet) {\n    var offset = 0; // if an adaption field is present, its length is specified by the\n    // fifth byte of the TS packet header. The adaptation field is\n    // used to add stuffing to PES packets that don't fill a complete\n    // TS packet, and to specify some forms of timing and control data\n    // that we do not currently use.\n\n    if ((packet[3] & 0x30) >>> 4 > 0x01) {\n      offset += packet[4] + 1;\n    }\n\n    return offset;\n  };\n\n  var parseType$1 = function parseType(packet, pmtPid) {\n    var pid = parsePid(packet);\n\n    if (pid === 0) {\n      return 'pat';\n    } else if (pid === pmtPid) {\n      return 'pmt';\n    } else if (pmtPid) {\n      return 'pes';\n    }\n\n    return null;\n  };\n\n  var parsePat = function parsePat(packet) {\n    var pusi = parsePayloadUnitStartIndicator(packet);\n    var offset = 4 + parseAdaptionField(packet);\n\n    if (pusi) {\n      offset += packet[offset] + 1;\n    }\n\n    return (packet[offset + 10] & 0x1f) << 8 | packet[offset + 11];\n  };\n\n  var parsePmt = function parsePmt(packet) {\n    var programMapTable = {};\n    var pusi = parsePayloadUnitStartIndicator(packet);\n    var payloadOffset = 4 + parseAdaptionField(packet);\n\n    if (pusi) {\n      payloadOffset += packet[payloadOffset] + 1;\n    } // PMTs can be sent ahead of the time when they should actually\n    // take effect. We don't believe this should ever be the case\n    // for HLS but we'll ignore \"forward\" PMT declarations if we see\n    // them. Future PMT declarations have the current_next_indicator\n    // set to zero.\n\n\n    if (!(packet[payloadOffset + 5] & 0x01)) {\n      return;\n    }\n\n    var sectionLength, tableEnd, programInfoLength; // the mapping table ends at the end of the current section\n\n    sectionLength = (packet[payloadOffset + 1] & 0x0f) << 8 | packet[payloadOffset + 2];\n    tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how\n    // long the program info descriptors are\n\n    programInfoLength = (packet[payloadOffset + 10] & 0x0f) << 8 | packet[payloadOffset + 11]; // advance the offset to the first entry in the mapping table\n\n    var offset = 12 + programInfoLength;\n\n    while (offset < tableEnd) {\n      var i = payloadOffset + offset; // add an entry that maps the elementary_pid to the stream_type\n\n      programMapTable[(packet[i + 1] & 0x1F) << 8 | packet[i + 2]] = packet[i]; // move to the next table entry\n      // skip past the elementary stream descriptors, if present\n\n      offset += ((packet[i + 3] & 0x0F) << 8 | packet[i + 4]) + 5;\n    }\n\n    return programMapTable;\n  };\n\n  var parsePesType = function parsePesType(packet, programMapTable) {\n    var pid = parsePid(packet);\n    var type = programMapTable[pid];\n\n    switch (type) {\n      case streamTypes.H264_STREAM_TYPE:\n        return 'video';\n\n      case streamTypes.ADTS_STREAM_TYPE:\n        return 'audio';\n\n      case streamTypes.METADATA_STREAM_TYPE:\n        return 'timed-metadata';\n\n      default:\n        return null;\n    }\n  };\n\n  var parsePesTime = function parsePesTime(packet) {\n    var pusi = parsePayloadUnitStartIndicator(packet);\n\n    if (!pusi) {\n      return null;\n    }\n\n    var offset = 4 + parseAdaptionField(packet);\n\n    if (offset >= packet.byteLength) {\n      // From the H 222.0 MPEG-TS spec\n      // \"For transport stream packets carrying PES packets, stuffing is needed when there\n      //  is insufficient PES packet data to completely fill the transport stream packet\n      //  payload bytes. Stuffing is accomplished by defining an adaptation field longer than\n      //  the sum of the lengths of the data elements in it, so that the payload bytes\n      //  remaining after the adaptation field exactly accommodates the available PES packet\n      //  data.\"\n      //\n      // If the offset is >= the length of the packet, then the packet contains no data\n      // and instead is just adaption field stuffing bytes\n      return null;\n    }\n\n    var pes = null;\n    var ptsDtsFlags; // PES packets may be annotated with a PTS value, or a PTS value\n    // and a DTS value. Determine what combination of values is\n    // available to work with.\n\n    ptsDtsFlags = packet[offset + 7]; // PTS and DTS are normally stored as a 33-bit number.  Javascript\n    // performs all bitwise operations on 32-bit integers but javascript\n    // supports a much greater range (52-bits) of integer using standard\n    // mathematical operations.\n    // We construct a 31-bit value using bitwise operators over the 31\n    // most significant bits and then multiply by 4 (equal to a left-shift\n    // of 2) before we add the final 2 least significant bits of the\n    // timestamp (equal to an OR.)\n\n    if (ptsDtsFlags & 0xC0) {\n      pes = {}; // the PTS and DTS are not written out directly. For information\n      // on how they are encoded, see\n      // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n\n      pes.pts = (packet[offset + 9] & 0x0E) << 27 | (packet[offset + 10] & 0xFF) << 20 | (packet[offset + 11] & 0xFE) << 12 | (packet[offset + 12] & 0xFF) << 5 | (packet[offset + 13] & 0xFE) >>> 3;\n      pes.pts *= 4; // Left shift by 2\n\n      pes.pts += (packet[offset + 13] & 0x06) >>> 1; // OR by the two LSBs\n\n      pes.dts = pes.pts;\n\n      if (ptsDtsFlags & 0x40) {\n        pes.dts = (packet[offset + 14] & 0x0E) << 27 | (packet[offset + 15] & 0xFF) << 20 | (packet[offset + 16] & 0xFE) << 12 | (packet[offset + 17] & 0xFF) << 5 | (packet[offset + 18] & 0xFE) >>> 3;\n        pes.dts *= 4; // Left shift by 2\n\n        pes.dts += (packet[offset + 18] & 0x06) >>> 1; // OR by the two LSBs\n      }\n    }\n\n    return pes;\n  };\n\n  var parseNalUnitType = function parseNalUnitType(type) {\n    switch (type) {\n      case 0x05:\n        return 'slice_layer_without_partitioning_rbsp_idr';\n\n      case 0x06:\n        return 'sei_rbsp';\n\n      case 0x07:\n        return 'seq_parameter_set_rbsp';\n\n      case 0x08:\n        return 'pic_parameter_set_rbsp';\n\n      case 0x09:\n        return 'access_unit_delimiter_rbsp';\n\n      default:\n        return null;\n    }\n  };\n\n  var videoPacketContainsKeyFrame = function videoPacketContainsKeyFrame(packet) {\n    var offset = 4 + parseAdaptionField(packet);\n    var frameBuffer = packet.subarray(offset);\n    var frameI = 0;\n    var frameSyncPoint = 0;\n    var foundKeyFrame = false;\n    var nalType; // advance the sync point to a NAL start, if necessary\n\n    for (; frameSyncPoint < frameBuffer.byteLength - 3; frameSyncPoint++) {\n      if (frameBuffer[frameSyncPoint + 2] === 1) {\n        // the sync point is properly aligned\n        frameI = frameSyncPoint + 5;\n        break;\n      }\n    }\n\n    while (frameI < frameBuffer.byteLength) {\n      // look at the current byte to determine if we've hit the end of\n      // a NAL unit boundary\n      switch (frameBuffer[frameI]) {\n        case 0:\n          // skip past non-sync sequences\n          if (frameBuffer[frameI - 1] !== 0) {\n            frameI += 2;\n            break;\n          } else if (frameBuffer[frameI - 2] !== 0) {\n            frameI++;\n            break;\n          }\n\n          if (frameSyncPoint + 3 !== frameI - 2) {\n            nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n            if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n              foundKeyFrame = true;\n            }\n          } // drop trailing zeroes\n\n\n          do {\n            frameI++;\n          } while (frameBuffer[frameI] !== 1 && frameI < frameBuffer.length);\n\n          frameSyncPoint = frameI - 2;\n          frameI += 3;\n          break;\n\n        case 1:\n          // skip past non-sync sequences\n          if (frameBuffer[frameI - 1] !== 0 || frameBuffer[frameI - 2] !== 0) {\n            frameI += 3;\n            break;\n          }\n\n          nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n          if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n            foundKeyFrame = true;\n          }\n\n          frameSyncPoint = frameI - 2;\n          frameI += 3;\n          break;\n\n        default:\n          // the current byte isn't a one or zero, so it cannot be part\n          // of a sync sequence\n          frameI += 3;\n          break;\n      }\n    }\n\n    frameBuffer = frameBuffer.subarray(frameSyncPoint);\n    frameI -= frameSyncPoint;\n    frameSyncPoint = 0; // parse the final nal\n\n    if (frameBuffer && frameBuffer.byteLength > 3) {\n      nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n      if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n        foundKeyFrame = true;\n      }\n    }\n\n    return foundKeyFrame;\n  };\n\n  var probe$1 = {\n    parseType: parseType$1,\n    parsePat: parsePat,\n    parsePmt: parsePmt,\n    parsePayloadUnitStartIndicator: parsePayloadUnitStartIndicator,\n    parsePesType: parsePesType,\n    parsePesTime: parsePesTime,\n    videoPacketContainsKeyFrame: videoPacketContainsKeyFrame\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * Utilities to detect basic properties and metadata about Aac data.\n   */\n\n  var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n\n  var isLikelyAacData = function isLikelyAacData(data) {\n    if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {\n      return true;\n    }\n\n    return false;\n  };\n\n  var parseSyncSafeInteger = function parseSyncSafeInteger(data) {\n    return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n  }; // return a percent-encoded representation of the specified byte range\n  // @see http://en.wikipedia.org/wiki/Percent-encoding\n\n\n  var percentEncode = function percentEncode(bytes, start, end) {\n    var i,\n        result = '';\n\n    for (i = start; i < end; i++) {\n      result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n    }\n\n    return result;\n  }; // return the string representation of the specified byte range,\n  // interpreted as ISO-8859-1.\n\n\n  var parseIso88591 = function parseIso88591(bytes, start, end) {\n    return unescape(percentEncode(bytes, start, end)); // jshint ignore:line\n  };\n\n  var parseId3TagSize = function parseId3TagSize(header, byteIndex) {\n    var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],\n        flags = header[byteIndex + 5],\n        footerPresent = (flags & 16) >> 4;\n\n    if (footerPresent) {\n      return returnSize + 20;\n    }\n\n    return returnSize + 10;\n  };\n\n  var parseAdtsSize = function parseAdtsSize(header, byteIndex) {\n    var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,\n        middle = header[byteIndex + 4] << 3,\n        highTwo = header[byteIndex + 3] & 0x3 << 11;\n    return highTwo | middle | lowThree;\n  };\n\n  var parseType$2 = function parseType(header, byteIndex) {\n    if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {\n      return 'timed-metadata';\n    } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {\n      return 'audio';\n    }\n\n    return null;\n  };\n\n  var parseSampleRate = function parseSampleRate(packet) {\n    var i = 0;\n\n    while (i + 5 < packet.length) {\n      if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {\n        // If a valid header was not found,  jump one forward and attempt to\n        // find a valid ADTS header starting at the next byte\n        i++;\n        continue;\n      }\n\n      return ADTS_SAMPLING_FREQUENCIES[(packet[i + 2] & 0x3c) >>> 2];\n    }\n\n    return null;\n  };\n\n  var parseAacTimestamp = function parseAacTimestamp(packet) {\n    var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag\n\n    frameStart = 10;\n\n    if (packet[5] & 0x40) {\n      // advance the frame start past the extended header\n      frameStart += 4; // header size field\n\n      frameStart += parseSyncSafeInteger(packet.subarray(10, 14));\n    } // parse one or more ID3 frames\n    // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n    do {\n      // determine the number of bytes in this frame\n      frameSize = parseSyncSafeInteger(packet.subarray(frameStart + 4, frameStart + 8));\n\n      if (frameSize < 1) {\n        return null;\n      }\n\n      frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);\n\n      if (frameHeader === 'PRIV') {\n        frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);\n\n        for (var i = 0; i < frame.byteLength; i++) {\n          if (frame[i] === 0) {\n            var owner = parseIso88591(frame, 0, i);\n\n            if (owner === 'com.apple.streaming.transportStreamTimestamp') {\n              var d = frame.subarray(i + 1);\n              var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n              size *= 4;\n              size += d[7] & 0x03;\n              return size;\n            }\n\n            break;\n          }\n        }\n      }\n\n      frameStart += 10; // advance past the frame header\n\n      frameStart += frameSize; // advance past the frame body\n    } while (frameStart < packet.byteLength);\n\n    return null;\n  };\n\n  var utils = {\n    isLikelyAacData: isLikelyAacData,\n    parseId3TagSize: parseId3TagSize,\n    parseAdtsSize: parseAdtsSize,\n    parseType: parseType$2,\n    parseSampleRate: parseSampleRate,\n    parseAacTimestamp: parseAacTimestamp\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n  var ONE_SECOND_IN_TS = 90000,\n      // 90kHz clock\n  secondsToVideoTs,\n      secondsToAudioTs,\n      videoTsToSeconds,\n      audioTsToSeconds,\n      audioTsToVideoTs,\n      videoTsToAudioTs,\n      metadataTsToSeconds;\n\n  secondsToVideoTs = function secondsToVideoTs(seconds) {\n    return seconds * ONE_SECOND_IN_TS;\n  };\n\n  secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {\n    return seconds * sampleRate;\n  };\n\n  videoTsToSeconds = function videoTsToSeconds(timestamp) {\n    return timestamp / ONE_SECOND_IN_TS;\n  };\n\n  audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {\n    return timestamp / sampleRate;\n  };\n\n  audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {\n    return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));\n  };\n\n  videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {\n    return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);\n  };\n  /**\n   * Adjust ID3 tag or caption timing information by the timeline pts values\n   * (if keepOriginalTimestamps is false) and convert to seconds\n   */\n\n\n  metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {\n    return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);\n  };\n\n  var clock = {\n    ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,\n    secondsToVideoTs: secondsToVideoTs,\n    secondsToAudioTs: secondsToAudioTs,\n    videoTsToSeconds: videoTsToSeconds,\n    audioTsToSeconds: audioTsToSeconds,\n    audioTsToVideoTs: audioTsToVideoTs,\n    videoTsToAudioTs: videoTsToAudioTs,\n    metadataTsToSeconds: metadataTsToSeconds\n  };\n\n  var handleRollover$1 = timestampRolloverStream.handleRollover;\n  var probe$2 = {};\n  probe$2.ts = probe$1;\n  probe$2.aac = utils;\n  var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;\n  var MP2T_PACKET_LENGTH = 188,\n      // bytes\n  SYNC_BYTE = 0x47;\n  /**\n   * walks through segment data looking for pat and pmt packets to parse out\n   * program map table information\n   */\n\n  var parsePsi_ = function parsePsi_(bytes, pmt) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type;\n\n    while (endIndex < bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pat':\n            if (!pmt.pid) {\n              pmt.pid = probe$2.ts.parsePat(packet);\n            }\n\n            break;\n\n          case 'pmt':\n            if (!pmt.table) {\n              pmt.table = probe$2.ts.parsePmt(packet);\n            }\n\n            break;\n\n          default:\n            break;\n        } // Found the pat and pmt, we can stop walking the segment\n\n\n        if (pmt.pid && pmt.table) {\n          return;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    }\n  };\n  /**\n   * walks through the segment data from the start and end to get timing information\n   * for the first and last audio pes packets\n   */\n\n\n  var parseAudioPes_ = function parseAudioPes_(bytes, pmt, result) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type,\n        pesType,\n        pusi,\n        parsed;\n    var endLoop = false; // Start walking from start of segment to get first audio packet\n\n    while (endIndex <= bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'audio' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'audio';\n                result.audio.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    } // Start walking from end of segment to get last audio packet\n\n\n    endIndex = bytes.byteLength;\n    startIndex = endIndex - MP2T_PACKET_LENGTH;\n    endLoop = false;\n\n    while (startIndex >= 0) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'audio' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'audio';\n                result.audio.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex -= MP2T_PACKET_LENGTH;\n        endIndex -= MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex--;\n      endIndex--;\n    }\n  };\n  /**\n   * walks through the segment data from the start and end to get timing information\n   * for the first and last video pes packets as well as timing information for the first\n   * key frame.\n   */\n\n\n  var parseVideoPes_ = function parseVideoPes_(bytes, pmt, result) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type,\n        pesType,\n        pusi,\n        parsed,\n        frame,\n        i,\n        pes;\n    var endLoop = false;\n    var currentFrame = {\n      data: [],\n      size: 0\n    }; // Start walking from start of segment to get first video packet\n\n    while (endIndex < bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'video') {\n              if (pusi && !endLoop) {\n                parsed = probe$2.ts.parsePesTime(packet);\n\n                if (parsed) {\n                  parsed.type = 'video';\n                  result.video.push(parsed);\n                  endLoop = true;\n                }\n              }\n\n              if (!result.firstKeyFrame) {\n                if (pusi) {\n                  if (currentFrame.size !== 0) {\n                    frame = new Uint8Array(currentFrame.size);\n                    i = 0;\n\n                    while (currentFrame.data.length) {\n                      pes = currentFrame.data.shift();\n                      frame.set(pes, i);\n                      i += pes.byteLength;\n                    }\n\n                    if (probe$2.ts.videoPacketContainsKeyFrame(frame)) {\n                      var firstKeyFrame = probe$2.ts.parsePesTime(frame); // PTS/DTS may not be available. Simply *not* setting\n                      // the keyframe seems to work fine with HLS playback\n                      // and definitely preferable to a crash with TypeError...\n\n                      if (firstKeyFrame) {\n                        result.firstKeyFrame = firstKeyFrame;\n                        result.firstKeyFrame.type = 'video';\n                      } else {\n                        // eslint-disable-next-line\n                        console.warn('Failed to extract PTS/DTS from PES at first keyframe. ' + 'This could be an unusual TS segment, or else mux.js did not ' + 'parse your TS segment correctly. If you know your TS ' + 'segments do contain PTS/DTS on keyframes please file a bug ' + 'report! You can try ffprobe to double check for yourself.');\n                      }\n                    }\n\n                    currentFrame.size = 0;\n                  }\n                }\n\n                currentFrame.data.push(packet);\n                currentFrame.size += packet.byteLength;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop && result.firstKeyFrame) {\n          break;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    } // Start walking from end of segment to get last video packet\n\n\n    endIndex = bytes.byteLength;\n    startIndex = endIndex - MP2T_PACKET_LENGTH;\n    endLoop = false;\n\n    while (startIndex >= 0) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'video' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'video';\n                result.video.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex -= MP2T_PACKET_LENGTH;\n        endIndex -= MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex--;\n      endIndex--;\n    }\n  };\n  /**\n   * Adjusts the timestamp information for the segment to account for\n   * rollover and convert to seconds based on pes packet timescale (90khz clock)\n   */\n\n\n  var adjustTimestamp_ = function adjustTimestamp_(segmentInfo, baseTimestamp) {\n    if (segmentInfo.audio && segmentInfo.audio.length) {\n      var audioBaseTimestamp = baseTimestamp;\n\n      if (typeof audioBaseTimestamp === 'undefined') {\n        audioBaseTimestamp = segmentInfo.audio[0].dts;\n      }\n\n      segmentInfo.audio.forEach(function (info) {\n        info.dts = handleRollover$1(info.dts, audioBaseTimestamp);\n        info.pts = handleRollover$1(info.pts, audioBaseTimestamp); // time in seconds\n\n        info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;\n        info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;\n      });\n    }\n\n    if (segmentInfo.video && segmentInfo.video.length) {\n      var videoBaseTimestamp = baseTimestamp;\n\n      if (typeof videoBaseTimestamp === 'undefined') {\n        videoBaseTimestamp = segmentInfo.video[0].dts;\n      }\n\n      segmentInfo.video.forEach(function (info) {\n        info.dts = handleRollover$1(info.dts, videoBaseTimestamp);\n        info.pts = handleRollover$1(info.pts, videoBaseTimestamp); // time in seconds\n\n        info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;\n        info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;\n      });\n\n      if (segmentInfo.firstKeyFrame) {\n        var frame = segmentInfo.firstKeyFrame;\n        frame.dts = handleRollover$1(frame.dts, videoBaseTimestamp);\n        frame.pts = handleRollover$1(frame.pts, videoBaseTimestamp); // time in seconds\n\n        frame.dtsTime = frame.dts / ONE_SECOND_IN_TS$1;\n        frame.ptsTime = frame.dts / ONE_SECOND_IN_TS$1;\n      }\n    }\n  };\n  /**\n   * inspects the aac data stream for start and end time information\n   */\n\n\n  var inspectAac_ = function inspectAac_(bytes) {\n    var endLoop = false,\n        audioCount = 0,\n        sampleRate = null,\n        timestamp = null,\n        frameSize = 0,\n        byteIndex = 0,\n        packet;\n\n    while (bytes.length - byteIndex >= 3) {\n      var type = probe$2.aac.parseType(bytes, byteIndex);\n\n      switch (type) {\n        case 'timed-metadata':\n          // Exit early because we don't have enough to parse\n          // the ID3 tag header\n          if (bytes.length - byteIndex < 10) {\n            endLoop = true;\n            break;\n          }\n\n          frameSize = probe$2.aac.parseId3TagSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer\n          // to emit a full packet\n\n          if (frameSize > bytes.length) {\n            endLoop = true;\n            break;\n          }\n\n          if (timestamp === null) {\n            packet = bytes.subarray(byteIndex, byteIndex + frameSize);\n            timestamp = probe$2.aac.parseAacTimestamp(packet);\n          }\n\n          byteIndex += frameSize;\n          break;\n\n        case 'audio':\n          // Exit early because we don't have enough to parse\n          // the ADTS frame header\n          if (bytes.length - byteIndex < 7) {\n            endLoop = true;\n            break;\n          }\n\n          frameSize = probe$2.aac.parseAdtsSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer\n          // to emit a full packet\n\n          if (frameSize > bytes.length) {\n            endLoop = true;\n            break;\n          }\n\n          if (sampleRate === null) {\n            packet = bytes.subarray(byteIndex, byteIndex + frameSize);\n            sampleRate = probe$2.aac.parseSampleRate(packet);\n          }\n\n          audioCount++;\n          byteIndex += frameSize;\n          break;\n\n        default:\n          byteIndex++;\n          break;\n      }\n\n      if (endLoop) {\n        return null;\n      }\n    }\n\n    if (sampleRate === null || timestamp === null) {\n      return null;\n    }\n\n    var audioTimescale = ONE_SECOND_IN_TS$1 / sampleRate;\n    var result = {\n      audio: [{\n        type: 'audio',\n        dts: timestamp,\n        pts: timestamp\n      }, {\n        type: 'audio',\n        dts: timestamp + audioCount * 1024 * audioTimescale,\n        pts: timestamp + audioCount * 1024 * audioTimescale\n      }]\n    };\n    return result;\n  };\n  /**\n   * inspects the transport stream segment data for start and end time information\n   * of the audio and video tracks (when present) as well as the first key frame's\n   * start time.\n   */\n\n\n  var inspectTs_ = function inspectTs_(bytes) {\n    var pmt = {\n      pid: null,\n      table: null\n    };\n    var result = {};\n    parsePsi_(bytes, pmt);\n\n    for (var pid in pmt.table) {\n      if (pmt.table.hasOwnProperty(pid)) {\n        var type = pmt.table[pid];\n\n        switch (type) {\n          case streamTypes.H264_STREAM_TYPE:\n            result.video = [];\n            parseVideoPes_(bytes, pmt, result);\n\n            if (result.video.length === 0) {\n              delete result.video;\n            }\n\n            break;\n\n          case streamTypes.ADTS_STREAM_TYPE:\n            result.audio = [];\n            parseAudioPes_(bytes, pmt, result);\n\n            if (result.audio.length === 0) {\n              delete result.audio;\n            }\n\n            break;\n\n          default:\n            break;\n        }\n      }\n    }\n\n    return result;\n  };\n  /**\n   * Inspects segment byte data and returns an object with start and end timing information\n   *\n   * @param {Uint8Array} bytes The segment byte data\n   * @param {Number} baseTimestamp Relative reference timestamp used when adjusting frame\n   *  timestamps for rollover. This value must be in 90khz clock.\n   * @return {Object} Object containing start and end frame timing info of segment.\n   */\n\n\n  var inspect = function inspect(bytes, baseTimestamp) {\n    var isAacData = probe$2.aac.isLikelyAacData(bytes);\n    var result;\n\n    if (isAacData) {\n      result = inspectAac_(bytes);\n    } else {\n      result = inspectTs_(bytes);\n    }\n\n    if (!result || !result.audio && !result.video) {\n      return null;\n    }\n\n    adjustTimestamp_(result, baseTimestamp);\n    return result;\n  };\n\n  var tsInspector = {\n    inspect: inspect,\n    parseAudioPes_: parseAudioPes_\n  };\n\n  /*\n   * pkcs7.pad\n   * https://github.com/brightcove/pkcs7\n   *\n   * Copyright (c) 2014 Brightcove\n   * Licensed under the apache2 license.\n   */\n  /**\n   * Returns the subarray of a Uint8Array without PKCS#7 padding.\n   * @param padded {Uint8Array} unencrypted bytes that have been padded\n   * @return {Uint8Array} the unpadded bytes\n   * @see http://tools.ietf.org/html/rfc5652\n   */\n\n  function unpad(padded) {\n    return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);\n  }\n\n  var classCallCheck = function classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var inherits$1 = function inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n  /**\n   * @file aes.js\n   *\n   * This file contains an adaptation of the AES decryption algorithm\n   * from the Standford Javascript Cryptography Library. That work is\n   * covered by the following copyright and permissions notice:\n   *\n   * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n   * All rights reserved.\n   *\n   * Redistribution and use in source and binary forms, with or without\n   * modification, are permitted provided that the following conditions are\n   * met:\n   *\n   * 1. Redistributions of source code must retain the above copyright\n   *    notice, this list of conditions and the following disclaimer.\n   *\n   * 2. Redistributions in binary form must reproduce the above\n   *    copyright notice, this list of conditions and the following\n   *    disclaimer in the documentation and/or other materials provided\n   *    with the distribution.\n   *\n   * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n   * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE\n   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n   * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n   * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n   *\n   * The views and conclusions contained in the software and documentation\n   * are those of the authors and should not be interpreted as representing\n   * official policies, either expressed or implied, of the authors.\n   */\n\n  /**\n   * Expand the S-box tables.\n   *\n   * @private\n   */\n\n\n  var precompute = function precompute() {\n    var tables = [[[], [], [], [], []], [[], [], [], [], []]];\n    var encTable = tables[0];\n    var decTable = tables[1];\n    var sbox = encTable[4];\n    var sboxInv = decTable[4];\n    var i = void 0;\n    var x = void 0;\n    var xInv = void 0;\n    var d = [];\n    var th = [];\n    var x2 = void 0;\n    var x4 = void 0;\n    var x8 = void 0;\n    var s = void 0;\n    var tEnc = void 0;\n    var tDec = void 0; // Compute double and third tables\n\n    for (i = 0; i < 256; i++) {\n      th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;\n    }\n\n    for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n      // Compute sbox\n      s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;\n      s = s >> 8 ^ s & 255 ^ 99;\n      sbox[x] = s;\n      sboxInv[s] = x; // Compute MixColumns\n\n      x8 = d[x4 = d[x2 = d[x]]];\n      tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;\n      tEnc = d[s] * 0x101 ^ s * 0x1010100;\n\n      for (i = 0; i < 4; i++) {\n        encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;\n        decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;\n      }\n    } // Compactify. Considerable speedup on Firefox.\n\n\n    for (i = 0; i < 5; i++) {\n      encTable[i] = encTable[i].slice(0);\n      decTable[i] = decTable[i].slice(0);\n    }\n\n    return tables;\n  };\n\n  var aesTables = null;\n  /**\n   * Schedule out an AES key for both encryption and decryption. This\n   * is a low-level class. Use a cipher mode to do bulk encryption.\n   *\n   * @class AES\n   * @param key {Array} The key as an array of 4, 6 or 8 words.\n   */\n\n  var AES = function () {\n    function AES(key) {\n      classCallCheck(this, AES);\n      /**\n       * The expanded S-box and inverse S-box tables. These will be computed\n       * on the client so that we don't have to send them down the wire.\n       *\n       * There are two tables, _tables[0] is for encryption and\n       * _tables[1] is for decryption.\n       *\n       * The first 4 sub-tables are the expanded S-box with MixColumns. The\n       * last (_tables[01][4]) is the S-box itself.\n       *\n       * @private\n       */\n      // if we have yet to precompute the S-box tables\n      // do so now\n\n      if (!aesTables) {\n        aesTables = precompute();\n      } // then make a copy of that object for use\n\n\n      this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];\n      var i = void 0;\n      var j = void 0;\n      var tmp = void 0;\n      var encKey = void 0;\n      var decKey = void 0;\n      var sbox = this._tables[0][4];\n      var decTable = this._tables[1];\n      var keyLen = key.length;\n      var rcon = 1;\n\n      if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n        throw new Error('Invalid aes key size');\n      }\n\n      encKey = key.slice(0);\n      decKey = [];\n      this._key = [encKey, decKey]; // schedule encryption keys\n\n      for (i = keyLen; i < 4 * keyLen + 28; i++) {\n        tmp = encKey[i - 1]; // apply sbox\n\n        if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {\n          tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon\n\n          if (i % keyLen === 0) {\n            tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;\n            rcon = rcon << 1 ^ (rcon >> 7) * 283;\n          }\n        }\n\n        encKey[i] = encKey[i - keyLen] ^ tmp;\n      } // schedule decryption keys\n\n\n      for (j = 0; i; j++, i--) {\n        tmp = encKey[j & 3 ? i : i - 4];\n\n        if (i <= 4 || j < 4) {\n          decKey[j] = tmp;\n        } else {\n          decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];\n        }\n      }\n    }\n    /**\n     * Decrypt 16 bytes, specified as four 32-bit words.\n     *\n     * @param {Number} encrypted0 the first word to decrypt\n     * @param {Number} encrypted1 the second word to decrypt\n     * @param {Number} encrypted2 the third word to decrypt\n     * @param {Number} encrypted3 the fourth word to decrypt\n     * @param {Int32Array} out the array to write the decrypted words\n     * into\n     * @param {Number} offset the offset into the output array to start\n     * writing results\n     * @return {Array} The plaintext.\n     */\n\n\n    AES.prototype.decrypt = function decrypt(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n      var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data\n\n      var a = encrypted0 ^ key[0];\n      var b = encrypted3 ^ key[1];\n      var c = encrypted2 ^ key[2];\n      var d = encrypted1 ^ key[3];\n      var a2 = void 0;\n      var b2 = void 0;\n      var c2 = void 0; // key.length === 2 ?\n\n      var nInnerRounds = key.length / 4 - 2;\n      var i = void 0;\n      var kIndex = 4;\n      var table = this._tables[1]; // load up the tables\n\n      var table0 = table[0];\n      var table1 = table[1];\n      var table2 = table[2];\n      var table3 = table[3];\n      var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.\n\n      for (i = 0; i < nInnerRounds; i++) {\n        a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];\n        b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n        c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n        d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n        kIndex += 4;\n        a = a2;\n        b = b2;\n        c = c2;\n      } // Last round.\n\n\n      for (i = 0; i < 4; i++) {\n        out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];\n        a2 = a;\n        a = b;\n        b = c;\n        c = d;\n        d = a2;\n      }\n    };\n\n    return AES;\n  }();\n  /**\n   * @file stream.js\n   */\n\n  /**\n   * A lightweight readable stream implemention that handles event dispatching.\n   *\n   * @class Stream\n   */\n\n\n  var Stream$2 = function () {\n    function Stream() {\n      classCallCheck(this, Stream);\n      this.listeners = {};\n    }\n    /**\n     * Add a listener for a specified event type.\n     *\n     * @param {String} type the event name\n     * @param {Function} listener the callback to be invoked when an event of\n     * the specified type occurs\n     */\n\n\n    Stream.prototype.on = function on(type, listener) {\n      if (!this.listeners[type]) {\n        this.listeners[type] = [];\n      }\n\n      this.listeners[type].push(listener);\n    };\n    /**\n     * Remove a listener for a specified event type.\n     *\n     * @param {String} type the event name\n     * @param {Function} listener  a function previously registered for this\n     * type of event through `on`\n     * @return {Boolean} if we could turn it off or not\n     */\n\n\n    Stream.prototype.off = function off(type, listener) {\n      if (!this.listeners[type]) {\n        return false;\n      }\n\n      var index = this.listeners[type].indexOf(listener);\n      this.listeners[type].splice(index, 1);\n      return index > -1;\n    };\n    /**\n     * Trigger an event of the specified type on this stream. Any additional\n     * arguments to this function are passed as parameters to event listeners.\n     *\n     * @param {String} type the event name\n     */\n\n\n    Stream.prototype.trigger = function trigger(type) {\n      var callbacks = this.listeners[type];\n\n      if (!callbacks) {\n        return;\n      } // Slicing the arguments on every invocation of this method\n      // can add a significant amount of overhead. Avoid the\n      // intermediate object creation for the common case of a\n      // single callback argument\n\n\n      if (arguments.length === 2) {\n        var length = callbacks.length;\n\n        for (var i = 0; i < length; ++i) {\n          callbacks[i].call(this, arguments[1]);\n        }\n      } else {\n        var args = Array.prototype.slice.call(arguments, 1);\n        var _length = callbacks.length;\n\n        for (var _i = 0; _i < _length; ++_i) {\n          callbacks[_i].apply(this, args);\n        }\n      }\n    };\n    /**\n     * Destroys the stream and cleans up.\n     */\n\n\n    Stream.prototype.dispose = function dispose() {\n      this.listeners = {};\n    };\n    /**\n     * Forwards all `data` events on this stream to the destination stream. The\n     * destination stream should provide a method `push` to receive the data\n     * events as they arrive.\n     *\n     * @param {Stream} destination the stream that will receive all `data` events\n     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n     */\n\n\n    Stream.prototype.pipe = function pipe(destination) {\n      this.on('data', function (data) {\n        destination.push(data);\n      });\n    };\n\n    return Stream;\n  }();\n  /**\n   * @file async-stream.js\n   */\n\n  /**\n   * A wrapper around the Stream class to use setTiemout\n   * and run stream \"jobs\" Asynchronously\n   *\n   * @class AsyncStream\n   * @extends Stream\n   */\n\n\n  var AsyncStream = function (_Stream) {\n    inherits$1(AsyncStream, _Stream);\n\n    function AsyncStream() {\n      classCallCheck(this, AsyncStream);\n\n      var _this = possibleConstructorReturn(this, _Stream.call(this, Stream$2));\n\n      _this.jobs = [];\n      _this.delay = 1;\n      _this.timeout_ = null;\n      return _this;\n    }\n    /**\n     * process an async job\n     *\n     * @private\n     */\n\n\n    AsyncStream.prototype.processJob_ = function processJob_() {\n      this.jobs.shift()();\n\n      if (this.jobs.length) {\n        this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n      } else {\n        this.timeout_ = null;\n      }\n    };\n    /**\n     * push a job into the stream\n     *\n     * @param {Function} job the job to push into the stream\n     */\n\n\n    AsyncStream.prototype.push = function push(job) {\n      this.jobs.push(job);\n\n      if (!this.timeout_) {\n        this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n      }\n    };\n\n    return AsyncStream;\n  }(Stream$2);\n  /**\n   * @file decrypter.js\n   *\n   * An asynchronous implementation of AES-128 CBC decryption with\n   * PKCS#7 padding.\n   */\n\n  /**\n   * Convert network-order (big-endian) bytes into their little-endian\n   * representation.\n   */\n\n\n  var ntoh = function ntoh(word) {\n    return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;\n  };\n  /**\n   * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n   *\n   * @param {Uint8Array} encrypted the encrypted bytes\n   * @param {Uint32Array} key the bytes of the decryption key\n   * @param {Uint32Array} initVector the initialization vector (IV) to\n   * use for the first round of CBC.\n   * @return {Uint8Array} the decrypted bytes\n   *\n   * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n   * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n   * @see https://tools.ietf.org/html/rfc2315\n   */\n\n\n  var decrypt = function decrypt(encrypted, key, initVector) {\n    // word-level access to the encrypted bytes\n    var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);\n    var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output\n\n    var decrypted = new Uint8Array(encrypted.byteLength);\n    var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and\n    // decrypted data\n\n    var init0 = void 0;\n    var init1 = void 0;\n    var init2 = void 0;\n    var init3 = void 0;\n    var encrypted0 = void 0;\n    var encrypted1 = void 0;\n    var encrypted2 = void 0;\n    var encrypted3 = void 0; // iteration variable\n\n    var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the\n    // passed-in reference and easier access\n\n    init0 = initVector[0];\n    init1 = initVector[1];\n    init2 = initVector[2];\n    init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)\n    // to each decrypted block\n\n    for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n      // convert big-endian (network order) words into little-endian\n      // (javascript order)\n      encrypted0 = ntoh(encrypted32[wordIx]);\n      encrypted1 = ntoh(encrypted32[wordIx + 1]);\n      encrypted2 = ntoh(encrypted32[wordIx + 2]);\n      encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block\n\n      decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the\n      // plaintext\n\n      decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);\n      decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);\n      decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);\n      decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round\n\n      init0 = encrypted0;\n      init1 = encrypted1;\n      init2 = encrypted2;\n      init3 = encrypted3;\n    }\n\n    return decrypted;\n  };\n  /**\n   * The `Decrypter` class that manages decryption of AES\n   * data through `AsyncStream` objects and the `decrypt`\n   * function\n   *\n   * @param {Uint8Array} encrypted the encrypted bytes\n   * @param {Uint32Array} key the bytes of the decryption key\n   * @param {Uint32Array} initVector the initialization vector (IV) to\n   * @param {Function} done the function to run when done\n   * @class Decrypter\n   */\n\n\n  var Decrypter = function () {\n    function Decrypter(encrypted, key, initVector, done) {\n      classCallCheck(this, Decrypter);\n      var step = Decrypter.STEP;\n      var encrypted32 = new Int32Array(encrypted.buffer);\n      var decrypted = new Uint8Array(encrypted.byteLength);\n      var i = 0;\n      this.asyncStream_ = new AsyncStream(); // split up the encryption job and do the individual chunks asynchronously\n\n      this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n\n      for (i = step; i < encrypted32.length; i += step) {\n        initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);\n        this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n      } // invoke the done() callback when everything is finished\n\n\n      this.asyncStream_.push(function () {\n        // remove pkcs#7 padding from the decrypted bytes\n        done(null, unpad(decrypted));\n      });\n    }\n    /**\n     * a getter for step the maximum number of bytes to process at one time\n     *\n     * @return {Number} the value of step 32000\n     */\n\n    /**\n     * @private\n     */\n\n\n    Decrypter.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {\n      return function () {\n        var bytes = decrypt(encrypted, key, initVector);\n        decrypted.set(bytes, encrypted.byteOffset);\n      };\n    };\n\n    createClass(Decrypter, null, [{\n      key: 'STEP',\n      get: function get$$1() {\n        // 4 * 8000;\n        return 32000;\n      }\n    }]);\n    return Decrypter;\n  }();\n\n  /**\n   * @videojs/http-streaming\n   * @version 1.12.3\n   * @copyright 2020 Brightcove, Inc\n   * @license Apache-2.0\n   */\n  /**\n   * @file resolve-url.js - Handling how URLs are resolved and manipulated\n   */\n\n  var resolveUrl$1 = function resolveUrl(baseURL, relativeURL) {\n    // return early if we don't need to resolve\n    if (/^[a-z]+:/i.test(relativeURL)) {\n      return relativeURL;\n    } // if the base URL is relative then combine with the current location\n\n\n    if (!/\\/\\//i.test(baseURL)) {\n      baseURL = urlToolkit.buildAbsoluteURL(window$3.location.href, baseURL);\n    }\n\n    return urlToolkit.buildAbsoluteURL(baseURL, relativeURL);\n  };\n  /**\n   * Checks whether xhr request was redirected and returns correct url depending\n   * on `handleManifestRedirects` option\n   *\n   * @api private\n   *\n   * @param  {String} url - an url being requested\n   * @param  {XMLHttpRequest} req - xhr request result\n   *\n   * @return {String}\n   */\n\n\n  var resolveManifestRedirect = function resolveManifestRedirect(handleManifestRedirect, url, req) {\n    // To understand how the responseURL below is set and generated:\n    // - https://fetch.spec.whatwg.org/#concept-response-url\n    // - https://fetch.spec.whatwg.org/#atomic-http-redirect-handling\n    if (handleManifestRedirect && req.responseURL && url !== req.responseURL) {\n      return req.responseURL;\n    }\n\n    return url;\n  };\n\n  var classCallCheck$1 = function classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass$1 = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var get$1 = function get(object, property, receiver) {\n    if (object === null) object = Function.prototype;\n    var desc = Object.getOwnPropertyDescriptor(object, property);\n\n    if (desc === undefined) {\n      var parent = Object.getPrototypeOf(object);\n\n      if (parent === null) {\n        return undefined;\n      } else {\n        return get(parent, property, receiver);\n      }\n    } else if (\"value\" in desc) {\n      return desc.value;\n    } else {\n      var getter = desc.get;\n\n      if (getter === undefined) {\n        return undefined;\n      }\n\n      return getter.call(receiver);\n    }\n  };\n\n  var inherits$2 = function inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn$1 = function possibleConstructorReturn(self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n\n  var slicedToArray = function () {\n    function sliceIterator(arr, i) {\n      var _arr = [];\n      var _n = true;\n      var _d = false;\n      var _e = undefined;\n\n      try {\n        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n          _arr.push(_s.value);\n\n          if (i && _arr.length === i) break;\n        }\n      } catch (err) {\n        _d = true;\n        _e = err;\n      } finally {\n        try {\n          if (!_n && _i[\"return\"]) _i[\"return\"]();\n        } finally {\n          if (_d) throw _e;\n        }\n      }\n\n      return _arr;\n    }\n\n    return function (arr, i) {\n      if (Array.isArray(arr)) {\n        return arr;\n      } else if (Symbol.iterator in Object(arr)) {\n        return sliceIterator(arr, i);\n      } else {\n        throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n      }\n    };\n  }();\n  /**\n   * @file playlist-loader.js\n   *\n   * A state machine that manages the loading, caching, and updating of\n   * M3U8 playlists.\n   *\n   */\n\n\n  var mergeOptions$1 = videojs$1.mergeOptions,\n      EventTarget$1 = videojs$1.EventTarget,\n      log$1 = videojs$1.log;\n  /**\n   * Loops through all supported media groups in master and calls the provided\n   * callback for each group\n   *\n   * @param {Object} master\n   *        The parsed master manifest object\n   * @param {Function} callback\n   *        Callback to call for each media group\n   */\n\n  var forEachMediaGroup = function forEachMediaGroup(master, callback) {\n    ['AUDIO', 'SUBTITLES'].forEach(function (mediaType) {\n      for (var groupKey in master.mediaGroups[mediaType]) {\n        for (var labelKey in master.mediaGroups[mediaType][groupKey]) {\n          var mediaProperties = master.mediaGroups[mediaType][groupKey][labelKey];\n          callback(mediaProperties, mediaType, groupKey, labelKey);\n        }\n      }\n    });\n  };\n  /**\n    * Returns a new array of segments that is the result of merging\n    * properties from an older list of segments onto an updated\n    * list. No properties on the updated playlist will be overridden.\n    *\n    * @param {Array} original the outdated list of segments\n    * @param {Array} update the updated list of segments\n    * @param {Number=} offset the index of the first update\n    * segment in the original segment list. For non-live playlists,\n    * this should always be zero and does not need to be\n    * specified. For live playlists, it should be the difference\n    * between the media sequence numbers in the original and updated\n    * playlists.\n    * @return a list of merged segment objects\n    */\n\n\n  var updateSegments = function updateSegments(original, update, offset) {\n    var result = update.slice();\n    offset = offset || 0;\n    var length = Math.min(original.length, update.length + offset);\n\n    for (var i = offset; i < length; i++) {\n      result[i - offset] = mergeOptions$1(original[i], result[i - offset]);\n    }\n\n    return result;\n  };\n\n  var resolveSegmentUris = function resolveSegmentUris(segment, baseUri) {\n    if (!segment.resolvedUri) {\n      segment.resolvedUri = resolveUrl$1(baseUri, segment.uri);\n    }\n\n    if (segment.key && !segment.key.resolvedUri) {\n      segment.key.resolvedUri = resolveUrl$1(baseUri, segment.key.uri);\n    }\n\n    if (segment.map && !segment.map.resolvedUri) {\n      segment.map.resolvedUri = resolveUrl$1(baseUri, segment.map.uri);\n    }\n  };\n  /**\n    * Returns a new master playlist that is the result of merging an\n    * updated media playlist into the original version. If the\n    * updated media playlist does not match any of the playlist\n    * entries in the original master playlist, null is returned.\n    *\n    * @param {Object} master a parsed master M3U8 object\n    * @param {Object} media a parsed media M3U8 object\n    * @return {Object} a new object that represents the original\n    * master playlist with the updated media playlist merged in, or\n    * null if the merge produced no change.\n    */\n\n\n  var updateMaster = function updateMaster(master, media) {\n    var result = mergeOptions$1(master, {});\n    var playlist = result.playlists[media.id];\n\n    if (!playlist) {\n      return null;\n    } // consider the playlist unchanged if the number of segments is equal, the media\n    // sequence number is unchanged, and this playlist hasn't become the end of the playlist\n\n\n    if (playlist.segments && media.segments && playlist.segments.length === media.segments.length && playlist.endList === media.endList && playlist.mediaSequence === media.mediaSequence) {\n      return null;\n    }\n\n    var mergedPlaylist = mergeOptions$1(playlist, media); // if the update could overlap existing segment information, merge the two segment lists\n\n    if (playlist.segments) {\n      mergedPlaylist.segments = updateSegments(playlist.segments, media.segments, media.mediaSequence - playlist.mediaSequence);\n    } // resolve any segment URIs to prevent us from having to do it later\n\n\n    mergedPlaylist.segments.forEach(function (segment) {\n      resolveSegmentUris(segment, mergedPlaylist.resolvedUri);\n    }); // TODO Right now in the playlists array there are two references to each playlist, one\n    // that is referenced by index, and one by URI. The index reference may no longer be\n    // necessary.\n\n    for (var i = 0; i < result.playlists.length; i++) {\n      if (result.playlists[i].id === media.id) {\n        result.playlists[i] = mergedPlaylist;\n      }\n    }\n\n    result.playlists[media.id] = mergedPlaylist; // URI reference added for backwards compatibility\n\n    result.playlists[media.uri] = mergedPlaylist;\n    return result;\n  };\n\n  var createPlaylistID = function createPlaylistID(index, uri) {\n    return index + '-' + uri;\n  };\n\n  var setupMediaPlaylists = function setupMediaPlaylists(master) {\n    // setup by-URI lookups and resolve media playlist URIs\n    var i = master.playlists.length;\n\n    while (i--) {\n      var playlist = master.playlists[i];\n      playlist.resolvedUri = resolveUrl$1(master.uri, playlist.uri);\n      playlist.id = createPlaylistID(i, playlist.uri);\n      master.playlists[playlist.id] = playlist; // URI reference added for backwards compatibility\n\n      master.playlists[playlist.uri] = playlist;\n\n      if (!playlist.attributes) {\n        // Although the spec states an #EXT-X-STREAM-INF tag MUST have a\n        // BANDWIDTH attribute, we can play the stream without it. This means a poorly\n        // formatted master playlist may not have an attribute list. An attributes\n        // property is added here to prevent undefined references when we encounter\n        // this scenario.\n        playlist.attributes = {};\n        log$1.warn('Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute.');\n      }\n    }\n  };\n\n  var resolveMediaGroupUris = function resolveMediaGroupUris(master) {\n    forEachMediaGroup(master, function (properties) {\n      if (properties.uri) {\n        properties.resolvedUri = resolveUrl$1(master.uri, properties.uri);\n      }\n    });\n  };\n  /**\n   * Calculates the time to wait before refreshing a live playlist\n   *\n   * @param {Object} media\n   *        The current media\n   * @param {Boolean} update\n   *        True if there were any updates from the last refresh, false otherwise\n   * @return {Number}\n   *         The time in ms to wait before refreshing the live playlist\n   */\n\n\n  var refreshDelay = function refreshDelay(media, update) {\n    var lastSegment = media.segments[media.segments.length - 1];\n    var delay = void 0;\n\n    if (update && lastSegment && lastSegment.duration) {\n      delay = lastSegment.duration * 1000;\n    } else {\n      // if the playlist is unchanged since the last reload or last segment duration\n      // cannot be determined, try again after half the target duration\n      delay = (media.targetDuration || 10) * 500;\n    }\n\n    return delay;\n  };\n  /**\n   * Load a playlist from a remote location\n   *\n   * @class PlaylistLoader\n   * @extends Stream\n   * @param {String} srcUrl the url to start with\n   * @param {Boolean} withCredentials the withCredentials xhr option\n   * @constructor\n   */\n\n\n  var PlaylistLoader = function (_EventTarget) {\n    inherits$2(PlaylistLoader, _EventTarget);\n\n    function PlaylistLoader(srcUrl, hls) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      classCallCheck$1(this, PlaylistLoader);\n\n      var _this = possibleConstructorReturn$1(this, (PlaylistLoader.__proto__ || Object.getPrototypeOf(PlaylistLoader)).call(this));\n\n      var _options$withCredenti = options.withCredentials,\n          withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,\n          _options$handleManife = options.handleManifestRedirects,\n          handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;\n      _this.srcUrl = srcUrl;\n      _this.hls_ = hls;\n      _this.withCredentials = withCredentials;\n      _this.handleManifestRedirects = handleManifestRedirects;\n      var hlsOptions = hls.options_;\n      _this.customTagParsers = hlsOptions && hlsOptions.customTagParsers || [];\n      _this.customTagMappers = hlsOptions && hlsOptions.customTagMappers || [];\n\n      if (!_this.srcUrl) {\n        throw new Error('A non-empty playlist URL is required');\n      } // initialize the loader state\n\n\n      _this.state = 'HAVE_NOTHING'; // live playlist staleness timeout\n\n      _this.on('mediaupdatetimeout', function () {\n        if (_this.state !== 'HAVE_METADATA') {\n          // only refresh the media playlist if no other activity is going on\n          return;\n        }\n\n        _this.state = 'HAVE_CURRENT_METADATA';\n        _this.request = _this.hls_.xhr({\n          uri: resolveUrl$1(_this.master.uri, _this.media().uri),\n          withCredentials: _this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this.request) {\n            return;\n          }\n\n          if (error) {\n            return _this.playlistRequestError(_this.request, _this.media(), 'HAVE_METADATA');\n          }\n\n          _this.haveMetadata(_this.request, _this.media().uri, _this.media().id);\n        });\n      });\n\n      return _this;\n    }\n\n    createClass$1(PlaylistLoader, [{\n      key: 'playlistRequestError',\n      value: function playlistRequestError(xhr, playlist, startingState) {\n        var uri = playlist.uri,\n            id = playlist.id; // any in-flight request is now finished\n\n        this.request = null;\n\n        if (startingState) {\n          this.state = startingState;\n        }\n\n        this.error = {\n          playlist: this.master.playlists[id],\n          status: xhr.status,\n          message: 'HLS playlist request error at URL: ' + uri + '.',\n          responseText: xhr.responseText,\n          code: xhr.status >= 500 ? 4 : 2\n        };\n        this.trigger('error');\n      } // update the playlist loader's state in response to a new or\n      // updated playlist.\n\n    }, {\n      key: 'haveMetadata',\n      value: function haveMetadata(xhr, url, id) {\n        var _this2 = this; // any in-flight request is now finished\n\n\n        this.request = null;\n        this.state = 'HAVE_METADATA';\n        var parser = new Parser(); // adding custom tag parsers\n\n        this.customTagParsers.forEach(function (customParser) {\n          return parser.addParser(customParser);\n        }); // adding custom tag mappers\n\n        this.customTagMappers.forEach(function (mapper) {\n          return parser.addTagMapper(mapper);\n        });\n        parser.push(xhr.responseText);\n        parser.end();\n        parser.manifest.uri = url;\n        parser.manifest.id = id; // m3u8-parser does not attach an attributes property to media playlists so make\n        // sure that the property is attached to avoid undefined reference errors\n\n        parser.manifest.attributes = parser.manifest.attributes || {}; // merge this playlist into the master\n\n        var update = updateMaster(this.master, parser.manifest);\n        this.targetDuration = parser.manifest.targetDuration;\n\n        if (update) {\n          this.master = update;\n          this.media_ = this.master.playlists[id];\n        } else {\n          this.trigger('playlistunchanged');\n        } // refresh live playlists after a target duration passes\n\n\n        if (!this.media().endList) {\n          window$3.clearTimeout(this.mediaUpdateTimeout);\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            _this2.trigger('mediaupdatetimeout');\n          }, refreshDelay(this.media(), !!update));\n        }\n\n        this.trigger('loadedplaylist');\n      }\n      /**\n       * Abort any outstanding work and clean up.\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.finalRenditionTimeout);\n        this.off();\n      }\n    }, {\n      key: 'stopRequest',\n      value: function stopRequest() {\n        if (this.request) {\n          var oldRequest = this.request;\n          this.request = null;\n          oldRequest.onreadystatechange = null;\n          oldRequest.abort();\n        }\n      }\n      /**\n       * When called without any arguments, returns the currently\n       * active media playlist. When called with a single argument,\n       * triggers the playlist loader to asynchronously switch to the\n       * specified media playlist. Calling this method while the\n       * loader is in the HAVE_NOTHING causes an error to be emitted\n       * but otherwise has no effect.\n       *\n       * @param {Object=} playlist the parsed media playlist\n       * object to switch to\n       * @param {Boolean=} is this the last available playlist\n       *\n       * @return {Playlist} the current loaded media\n       */\n\n    }, {\n      key: 'media',\n      value: function media(playlist, isFinalRendition) {\n        var _this3 = this; // getter\n\n\n        if (!playlist) {\n          return this.media_;\n        } // setter\n\n\n        if (this.state === 'HAVE_NOTHING') {\n          throw new Error('Cannot switch media playlist from ' + this.state);\n        } // find the playlist object if the target playlist has been\n        // specified by URI\n\n\n        if (typeof playlist === 'string') {\n          if (!this.master.playlists[playlist]) {\n            throw new Error('Unknown playlist URI: ' + playlist);\n          }\n\n          playlist = this.master.playlists[playlist];\n        }\n\n        window$3.clearTimeout(this.finalRenditionTimeout);\n\n        if (isFinalRendition) {\n          var delay = playlist.targetDuration / 2 * 1000 || 5 * 1000;\n          this.finalRenditionTimeout = window$3.setTimeout(this.media.bind(this, playlist, false), delay);\n          return;\n        }\n\n        var startingState = this.state;\n        var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to fully loaded playlists immediately\n\n        if (this.master.playlists[playlist.id].endList) {\n          // abort outstanding playlist requests\n          if (this.request) {\n            this.request.onreadystatechange = null;\n            this.request.abort();\n            this.request = null;\n          }\n\n          this.state = 'HAVE_METADATA';\n          this.media_ = playlist; // trigger media change if the active media has been updated\n\n          if (mediaChange) {\n            this.trigger('mediachanging');\n            this.trigger('mediachange');\n          }\n\n          return;\n        } // switching to the active playlist is a no-op\n\n\n        if (!mediaChange) {\n          return;\n        }\n\n        this.state = 'SWITCHING_MEDIA'; // there is already an outstanding playlist request\n\n        if (this.request) {\n          if (playlist.resolvedUri === this.request.url) {\n            // requesting to switch to the same playlist multiple times\n            // has no effect after the first\n            return;\n          }\n\n          this.request.onreadystatechange = null;\n          this.request.abort();\n          this.request = null;\n        } // request the new playlist\n\n\n        if (this.media_) {\n          this.trigger('mediachanging');\n        }\n\n        this.request = this.hls_.xhr({\n          uri: playlist.resolvedUri,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this3.request) {\n            return;\n          }\n\n          playlist.resolvedUri = resolveManifestRedirect(_this3.handleManifestRedirects, playlist.resolvedUri, req);\n\n          if (error) {\n            return _this3.playlistRequestError(_this3.request, playlist, startingState);\n          }\n\n          _this3.haveMetadata(req, playlist.uri, playlist.id); // fire loadedmetadata the first time a media playlist is loaded\n\n\n          if (startingState === 'HAVE_MASTER') {\n            _this3.trigger('loadedmetadata');\n          } else {\n            _this3.trigger('mediachange');\n          }\n        });\n      }\n      /**\n       * pause loading of the playlist\n       */\n\n    }, {\n      key: 'pause',\n      value: function pause() {\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n\n        if (this.state === 'HAVE_NOTHING') {\n          // If we pause the loader before any data has been retrieved, its as if we never\n          // started, so reset to an unstarted state.\n          this.started = false;\n        } // Need to restore state now that no activity is happening\n\n\n        if (this.state === 'SWITCHING_MEDIA') {\n          // if the loader was in the process of switching media, it should either return to\n          // HAVE_MASTER or HAVE_METADATA depending on if the loader has loaded a media\n          // playlist yet. This is determined by the existence of loader.media_\n          if (this.media_) {\n            this.state = 'HAVE_METADATA';\n          } else {\n            this.state = 'HAVE_MASTER';\n          }\n        } else if (this.state === 'HAVE_CURRENT_METADATA') {\n          this.state = 'HAVE_METADATA';\n        }\n      }\n      /**\n       * start loading of the playlist\n       */\n\n    }, {\n      key: 'load',\n      value: function load(isFinalRendition) {\n        var _this4 = this;\n\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        var media = this.media();\n\n        if (isFinalRendition) {\n          var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            return _this4.load();\n          }, delay);\n          return;\n        }\n\n        if (!this.started) {\n          this.start();\n          return;\n        }\n\n        if (media && !media.endList) {\n          this.trigger('mediaupdatetimeout');\n        } else {\n          this.trigger('loadedplaylist');\n        }\n      }\n      /**\n       * start loading of the playlist\n       */\n\n    }, {\n      key: 'start',\n      value: function start() {\n        var _this5 = this;\n\n        this.started = true; // request the specified URL\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this5.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this5.request = null;\n\n          if (error) {\n            _this5.error = {\n              status: req.status,\n              message: 'HLS playlist request error at URL: ' + _this5.srcUrl + '.',\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this5.state === 'HAVE_NOTHING') {\n              _this5.started = false;\n            }\n\n            return _this5.trigger('error');\n          }\n\n          var parser = new Parser(); // adding custom tag parsers\n\n          _this5.customTagParsers.forEach(function (customParser) {\n            return parser.addParser(customParser);\n          }); // adding custom tag mappers\n\n\n          _this5.customTagMappers.forEach(function (mapper) {\n            return parser.addTagMapper(mapper);\n          });\n\n          parser.push(req.responseText);\n          parser.end();\n          _this5.state = 'HAVE_MASTER';\n          _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);\n          parser.manifest.uri = _this5.srcUrl; // loaded a master playlist\n\n          if (parser.manifest.playlists) {\n            _this5.master = parser.manifest;\n            setupMediaPlaylists(_this5.master);\n            resolveMediaGroupUris(_this5.master);\n\n            _this5.trigger('loadedplaylist');\n\n            if (!_this5.request) {\n              // no media playlist was specifically selected so start\n              // from the first listed one\n              _this5.media(parser.manifest.playlists[0]);\n            }\n\n            return;\n          }\n\n          var id = createPlaylistID(0, _this5.srcUrl); // loaded a media playlist\n          // infer a master playlist if none was previously requested\n\n          _this5.master = {\n            mediaGroups: {\n              'AUDIO': {},\n              'VIDEO': {},\n              'CLOSED-CAPTIONS': {},\n              'SUBTITLES': {}\n            },\n            uri: window$3.location.href,\n            playlists: [{\n              uri: _this5.srcUrl,\n              id: id,\n              resolvedUri: _this5.srcUrl,\n              // m3u8-parser does not attach an attributes property to media playlists so make\n              // sure that the property is attached to avoid undefined reference errors\n              attributes: {}\n            }]\n          };\n          _this5.master.playlists[id] = _this5.master.playlists[0]; // URI reference added for backwards compatibility\n\n          _this5.master.playlists[_this5.srcUrl] = _this5.master.playlists[0];\n\n          _this5.haveMetadata(req, _this5.srcUrl, id);\n\n          return _this5.trigger('loadedmetadata');\n        });\n      }\n    }]);\n    return PlaylistLoader;\n  }(EventTarget$1);\n  /**\n   * @file playlist.js\n   *\n   * Playlist related utilities.\n   */\n\n\n  var createTimeRange = videojs$1.createTimeRange;\n  /**\n   * walk backward until we find a duration we can use\n   * or return a failure\n   *\n   * @param {Playlist} playlist the playlist to walk through\n   * @param {Number} endSequence the mediaSequence to stop walking on\n   */\n\n  var backwardDuration = function backwardDuration(playlist, endSequence) {\n    var result = 0;\n    var i = endSequence - playlist.mediaSequence; // if a start time is available for segment immediately following\n    // the interval, use it\n\n    var segment = playlist.segments[i]; // Walk backward until we find the latest segment with timeline\n    // information that is earlier than endSequence\n\n    if (segment) {\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: segment.start,\n          precise: true\n        };\n      }\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: segment.end - segment.duration,\n          precise: true\n        };\n      }\n    }\n\n    while (i--) {\n      segment = playlist.segments[i];\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: result + segment.end,\n          precise: true\n        };\n      }\n\n      result += segment.duration;\n\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: result + segment.start,\n          precise: true\n        };\n      }\n    }\n\n    return {\n      result: result,\n      precise: false\n    };\n  };\n  /**\n   * walk forward until we find a duration we can use\n   * or return a failure\n   *\n   * @param {Playlist} playlist the playlist to walk through\n   * @param {Number} endSequence the mediaSequence to stop walking on\n   */\n\n\n  var forwardDuration = function forwardDuration(playlist, endSequence) {\n    var result = 0;\n    var segment = void 0;\n    var i = endSequence - playlist.mediaSequence; // Walk forward until we find the earliest segment with timeline\n    // information\n\n    for (; i < playlist.segments.length; i++) {\n      segment = playlist.segments[i];\n\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: segment.start - result,\n          precise: true\n        };\n      }\n\n      result += segment.duration;\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: segment.end - result,\n          precise: true\n        };\n      }\n    } // indicate we didn't find a useful duration estimate\n\n\n    return {\n      result: -1,\n      precise: false\n    };\n  };\n  /**\n    * Calculate the media duration from the segments associated with a\n    * playlist. The duration of a subinterval of the available segments\n    * may be calculated by specifying an end index.\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number=} endSequence an exclusive upper boundary\n    * for the playlist.  Defaults to playlist length.\n    * @param {Number} expired the amount of time that has dropped\n    * off the front of the playlist in a live scenario\n    * @return {Number} the duration between the first available segment\n    * and end index.\n    */\n\n\n  var intervalDuration = function intervalDuration(playlist, endSequence, expired) {\n    var backward = void 0;\n    var forward = void 0;\n\n    if (typeof endSequence === 'undefined') {\n      endSequence = playlist.mediaSequence + playlist.segments.length;\n    }\n\n    if (endSequence < playlist.mediaSequence) {\n      return 0;\n    } // do a backward walk to estimate the duration\n\n\n    backward = backwardDuration(playlist, endSequence);\n\n    if (backward.precise) {\n      // if we were able to base our duration estimate on timing\n      // information provided directly from the Media Source, return\n      // it\n      return backward.result;\n    } // walk forward to see if a precise duration estimate can be made\n    // that way\n\n\n    forward = forwardDuration(playlist, endSequence);\n\n    if (forward.precise) {\n      // we found a segment that has been buffered and so it's\n      // position is known precisely\n      return forward.result;\n    } // return the less-precise, playlist-based duration estimate\n\n\n    return backward.result + expired;\n  };\n  /**\n    * Calculates the duration of a playlist. If a start and end index\n    * are specified, the duration will be for the subset of the media\n    * timeline between those two indices. The total duration for live\n    * playlists is always Infinity.\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number=} endSequence an exclusive upper\n    * boundary for the playlist. Defaults to the playlist media\n    * sequence number plus its length.\n    * @param {Number=} expired the amount of time that has\n    * dropped off the front of the playlist in a live scenario\n    * @return {Number} the duration between the start index and end\n    * index.\n    */\n\n\n  var duration = function duration(playlist, endSequence, expired) {\n    if (!playlist) {\n      return 0;\n    }\n\n    if (typeof expired !== 'number') {\n      expired = 0;\n    } // if a slice of the total duration is not requested, use\n    // playlist-level duration indicators when they're present\n\n\n    if (typeof endSequence === 'undefined') {\n      // if present, use the duration specified in the playlist\n      if (playlist.totalDuration) {\n        return playlist.totalDuration;\n      } // duration should be Infinity for live playlists\n\n\n      if (!playlist.endList) {\n        return window$3.Infinity;\n      }\n    } // calculate the total duration based on the segment durations\n\n\n    return intervalDuration(playlist, endSequence, expired);\n  };\n  /**\n    * Calculate the time between two indexes in the current playlist\n    * neight the start- nor the end-index need to be within the current\n    * playlist in which case, the targetDuration of the playlist is used\n    * to approximate the durations of the segments\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number} startIndex\n    * @param {Number} endIndex\n    * @return {Number} the number of seconds between startIndex and endIndex\n    */\n\n\n  var sumDurations = function sumDurations(playlist, startIndex, endIndex) {\n    var durations = 0;\n\n    if (startIndex > endIndex) {\n      var _ref = [endIndex, startIndex];\n      startIndex = _ref[0];\n      endIndex = _ref[1];\n    }\n\n    if (startIndex < 0) {\n      for (var i = startIndex; i < Math.min(0, endIndex); i++) {\n        durations += playlist.targetDuration;\n      }\n\n      startIndex = 0;\n    }\n\n    for (var _i = startIndex; _i < endIndex; _i++) {\n      durations += playlist.segments[_i].duration;\n    }\n\n    return durations;\n  };\n  /**\n   * Determines the media index of the segment corresponding to the safe edge of the live\n   * window which is the duration of the last segment plus 2 target durations from the end\n   * of the playlist.\n   *\n   * A liveEdgePadding can be provided which will be used instead of calculating the safe live edge.\n   * This corresponds to suggestedPresentationDelay in DASH manifests.\n   *\n   * @param {Object} playlist\n   *        a media playlist object\n   * @param {Number} [liveEdgePadding]\n   *        A number in seconds indicating how far from the end we want to be.\n   *        If provided, this value is used instead of calculating the safe live index from the target durations.\n   *        Corresponds to suggestedPresentationDelay in DASH manifests.\n   * @return {Number}\n   *         The media index of the segment at the safe live point. 0 if there is no \"safe\"\n   *         point.\n   * @function safeLiveIndex\n   */\n\n\n  var safeLiveIndex = function safeLiveIndex(playlist, liveEdgePadding) {\n    if (!playlist.segments.length) {\n      return 0;\n    }\n\n    var i = playlist.segments.length;\n    var lastSegmentDuration = playlist.segments[i - 1].duration || playlist.targetDuration;\n    var safeDistance = typeof liveEdgePadding === 'number' ? liveEdgePadding : lastSegmentDuration + playlist.targetDuration * 2;\n\n    if (safeDistance === 0) {\n      return i;\n    }\n\n    var distanceFromEnd = 0;\n\n    while (i--) {\n      distanceFromEnd += playlist.segments[i].duration;\n\n      if (distanceFromEnd >= safeDistance) {\n        break;\n      }\n    }\n\n    return Math.max(0, i);\n  };\n  /**\n   * Calculates the playlist end time\n   *\n   * @param {Object} playlist a media playlist object\n   * @param {Number=} expired the amount of time that has\n   *                  dropped off the front of the playlist in a live scenario\n   * @param {Boolean|false} useSafeLiveEnd a boolean value indicating whether or not the\n   *                        playlist end calculation should consider the safe live end\n   *                        (truncate the playlist end by three segments). This is normally\n   *                        used for calculating the end of the playlist's seekable range.\n   *                        This takes into account the value of liveEdgePadding.\n   *                        Setting liveEdgePadding to 0 is equivalent to setting this to false.\n   * @param {Number} liveEdgePadding a number indicating how far from the end of the playlist we should be in seconds.\n   *                 If this is provided, it is used in the safe live end calculation.\n   *                 Setting useSafeLiveEnd=false or liveEdgePadding=0 are equivalent.\n   *                 Corresponds to suggestedPresentationDelay in DASH manifests.\n   * @returns {Number} the end time of playlist\n   * @function playlistEnd\n   */\n\n\n  var playlistEnd = function playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding) {\n    if (!playlist || !playlist.segments) {\n      return null;\n    }\n\n    if (playlist.endList) {\n      return duration(playlist);\n    }\n\n    if (expired === null) {\n      return null;\n    }\n\n    expired = expired || 0;\n    var endSequence = useSafeLiveEnd ? safeLiveIndex(playlist, liveEdgePadding) : playlist.segments.length;\n    return intervalDuration(playlist, playlist.mediaSequence + endSequence, expired);\n  };\n  /**\n    * Calculates the interval of time that is currently seekable in a\n    * playlist. The returned time ranges are relative to the earliest\n    * moment in the specified playlist that is still available. A full\n    * seekable implementation for live streams would need to offset\n    * these values by the duration of content that has expired from the\n    * stream.\n    *\n    * @param {Object} playlist a media playlist object\n    * dropped off the front of the playlist in a live scenario\n    * @param {Number=} expired the amount of time that has\n    * dropped off the front of the playlist in a live scenario\n    * @param {Number} liveEdgePadding how far from the end of the playlist we should be in seconds.\n    *        Corresponds to suggestedPresentationDelay in DASH manifests.\n    * @return {TimeRanges} the periods of time that are valid targets\n    * for seeking\n    */\n\n\n  var seekable = function seekable(playlist, expired, liveEdgePadding) {\n    var useSafeLiveEnd = true;\n    var seekableStart = expired || 0;\n    var seekableEnd = playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding);\n\n    if (seekableEnd === null) {\n      return createTimeRange();\n    }\n\n    return createTimeRange(seekableStart, seekableEnd);\n  };\n\n  var isWholeNumber = function isWholeNumber(num) {\n    return num - Math.floor(num) === 0;\n  };\n\n  var roundSignificantDigit = function roundSignificantDigit(increment, num) {\n    // If we have a whole number, just add 1 to it\n    if (isWholeNumber(num)) {\n      return num + increment * 0.1;\n    }\n\n    var numDecimalDigits = num.toString().split('.')[1].length;\n\n    for (var i = 1; i <= numDecimalDigits; i++) {\n      var scale = Math.pow(10, i);\n      var temp = num * scale;\n\n      if (isWholeNumber(temp) || i === numDecimalDigits) {\n        return (temp + increment) / scale;\n      }\n    }\n  };\n\n  var ceilLeastSignificantDigit = roundSignificantDigit.bind(null, 1);\n  var floorLeastSignificantDigit = roundSignificantDigit.bind(null, -1);\n  /**\n   * Determine the index and estimated starting time of the segment that\n   * contains a specified playback position in a media playlist.\n   *\n   * @param {Object} playlist the media playlist to query\n   * @param {Number} currentTime The number of seconds since the earliest\n   * possible position to determine the containing segment for\n   * @param {Number} startIndex\n   * @param {Number} startTime\n   * @return {Object}\n   */\n\n  var getMediaInfoForTime = function getMediaInfoForTime(playlist, currentTime, startIndex, startTime) {\n    var i = void 0;\n    var segment = void 0;\n    var numSegments = playlist.segments.length;\n    var time = currentTime - startTime;\n\n    if (time < 0) {\n      // Walk backward from startIndex in the playlist, adding durations\n      // until we find a segment that contains `time` and return it\n      if (startIndex > 0) {\n        for (i = startIndex - 1; i >= 0; i--) {\n          segment = playlist.segments[i];\n          time += floorLeastSignificantDigit(segment.duration);\n\n          if (time > 0) {\n            return {\n              mediaIndex: i,\n              startTime: startTime - sumDurations(playlist, startIndex, i)\n            };\n          }\n        }\n      } // We were unable to find a good segment within the playlist\n      // so select the first segment\n\n\n      return {\n        mediaIndex: 0,\n        startTime: currentTime\n      };\n    } // When startIndex is negative, we first walk forward to first segment\n    // adding target durations. If we \"run out of time\" before getting to\n    // the first segment, return the first segment\n\n\n    if (startIndex < 0) {\n      for (i = startIndex; i < 0; i++) {\n        time -= playlist.targetDuration;\n\n        if (time < 0) {\n          return {\n            mediaIndex: 0,\n            startTime: currentTime\n          };\n        }\n      }\n\n      startIndex = 0;\n    } // Walk forward from startIndex in the playlist, subtracting durations\n    // until we find a segment that contains `time` and return it\n\n\n    for (i = startIndex; i < numSegments; i++) {\n      segment = playlist.segments[i];\n      time -= ceilLeastSignificantDigit(segment.duration);\n\n      if (time < 0) {\n        return {\n          mediaIndex: i,\n          startTime: startTime + sumDurations(playlist, startIndex, i)\n        };\n      }\n    } // We are out of possible candidates so load the last one...\n\n\n    return {\n      mediaIndex: numSegments - 1,\n      startTime: currentTime\n    };\n  };\n  /**\n   * Check whether the playlist is blacklisted or not.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is blacklisted or not\n   * @function isBlacklisted\n   */\n\n\n  var isBlacklisted = function isBlacklisted(playlist) {\n    return playlist.excludeUntil && playlist.excludeUntil > Date.now();\n  };\n  /**\n   * Check whether the playlist is compatible with current playback configuration or has\n   * been blacklisted permanently for being incompatible.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is incompatible or not\n   * @function isIncompatible\n   */\n\n\n  var isIncompatible = function isIncompatible(playlist) {\n    return playlist.excludeUntil && playlist.excludeUntil === Infinity;\n  };\n  /**\n   * Check whether the playlist is enabled or not.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is enabled or not\n   * @function isEnabled\n   */\n\n\n  var isEnabled = function isEnabled(playlist) {\n    var blacklisted = isBlacklisted(playlist);\n    return !playlist.disabled && !blacklisted;\n  };\n  /**\n   * Check whether the playlist has been manually disabled through the representations api.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is disabled manually or not\n   * @function isDisabled\n   */\n\n\n  var isDisabled = function isDisabled(playlist) {\n    return playlist.disabled;\n  };\n  /**\n   * Returns whether the current playlist is an AES encrypted HLS stream\n   *\n   * @return {Boolean} true if it's an AES encrypted HLS stream\n   */\n\n\n  var isAes = function isAes(media) {\n    for (var i = 0; i < media.segments.length; i++) {\n      if (media.segments[i].key) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n  /**\n   * Returns whether the current playlist contains fMP4\n   *\n   * @return {Boolean} true if the playlist contains fMP4\n   */\n\n\n  var isFmp4 = function isFmp4(media) {\n    for (var i = 0; i < media.segments.length; i++) {\n      if (media.segments[i].map) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n  /**\n   * Checks if the playlist has a value for the specified attribute\n   *\n   * @param {String} attr\n   *        Attribute to check for\n   * @param {Object} playlist\n   *        The media playlist object\n   * @return {Boolean}\n   *         Whether the playlist contains a value for the attribute or not\n   * @function hasAttribute\n   */\n\n\n  var hasAttribute = function hasAttribute(attr, playlist) {\n    return playlist.attributes && playlist.attributes[attr];\n  };\n  /**\n   * Estimates the time required to complete a segment download from the specified playlist\n   *\n   * @param {Number} segmentDuration\n   *        Duration of requested segment\n   * @param {Number} bandwidth\n   *        Current measured bandwidth of the player\n   * @param {Object} playlist\n   *        The media playlist object\n   * @param {Number=} bytesReceived\n   *        Number of bytes already received for the request. Defaults to 0\n   * @return {Number|NaN}\n   *         The estimated time to request the segment. NaN if bandwidth information for\n   *         the given playlist is unavailable\n   * @function estimateSegmentRequestTime\n   */\n\n\n  var estimateSegmentRequestTime = function estimateSegmentRequestTime(segmentDuration, bandwidth, playlist) {\n    var bytesReceived = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;\n\n    if (!hasAttribute('BANDWIDTH', playlist)) {\n      return NaN;\n    }\n\n    var size = segmentDuration * playlist.attributes.BANDWIDTH;\n    return (size - bytesReceived * 8) / bandwidth;\n  };\n  /*\n   * Returns whether the current playlist is the lowest rendition\n   *\n   * @return {Boolean} true if on lowest rendition\n   */\n\n\n  var isLowestEnabledRendition = function isLowestEnabledRendition(master, media) {\n    if (master.playlists.length === 1) {\n      return true;\n    }\n\n    var currentBandwidth = media.attributes.BANDWIDTH || Number.MAX_VALUE;\n    return master.playlists.filter(function (playlist) {\n      if (!isEnabled(playlist)) {\n        return false;\n      }\n\n      return (playlist.attributes.BANDWIDTH || 0) < currentBandwidth;\n    }).length === 0;\n  }; // exports\n\n\n  var Playlist = {\n    duration: duration,\n    seekable: seekable,\n    safeLiveIndex: safeLiveIndex,\n    getMediaInfoForTime: getMediaInfoForTime,\n    isEnabled: isEnabled,\n    isDisabled: isDisabled,\n    isBlacklisted: isBlacklisted,\n    isIncompatible: isIncompatible,\n    playlistEnd: playlistEnd,\n    isAes: isAes,\n    isFmp4: isFmp4,\n    hasAttribute: hasAttribute,\n    estimateSegmentRequestTime: estimateSegmentRequestTime,\n    isLowestEnabledRendition: isLowestEnabledRendition\n  };\n  /**\n   * @file xhr.js\n   */\n\n  var videojsXHR = videojs$1.xhr,\n      mergeOptions$1$1 = videojs$1.mergeOptions;\n\n  var xhrFactory = function xhrFactory() {\n    var xhr = function XhrFunction(options, callback) {\n      // Add a default timeout for all hls requests\n      options = mergeOptions$1$1({\n        timeout: 45e3\n      }, options); // Allow an optional user-specified function to modify the option\n      // object before we construct the xhr request\n\n      var beforeRequest = XhrFunction.beforeRequest || videojs$1.Hls.xhr.beforeRequest;\n\n      if (beforeRequest && typeof beforeRequest === 'function') {\n        var newOptions = beforeRequest(options);\n\n        if (newOptions) {\n          options = newOptions;\n        }\n      }\n\n      var request = videojsXHR(options, function (error, response) {\n        var reqResponse = request.response;\n\n        if (!error && reqResponse) {\n          request.responseTime = Date.now();\n          request.roundTripTime = request.responseTime - request.requestTime;\n          request.bytesReceived = reqResponse.byteLength || reqResponse.length;\n\n          if (!request.bandwidth) {\n            request.bandwidth = Math.floor(request.bytesReceived / request.roundTripTime * 8 * 1000);\n          }\n        }\n\n        if (response.headers) {\n          request.responseHeaders = response.headers;\n        } // videojs.xhr now uses a specific code on the error\n        // object to signal that a request has timed out instead\n        // of setting a boolean on the request object\n\n\n        if (error && error.code === 'ETIMEDOUT') {\n          request.timedout = true;\n        } // videojs.xhr no longer considers status codes outside of 200 and 0\n        // (for file uris) to be errors, but the old XHR did, so emulate that\n        // behavior. Status 206 may be used in response to byterange requests.\n\n\n        if (!error && !request.aborted && response.statusCode !== 200 && response.statusCode !== 206 && response.statusCode !== 0) {\n          error = new Error('XHR Failed with a response of: ' + (request && (reqResponse || request.responseText)));\n        }\n\n        callback(error, request);\n      });\n      var originalAbort = request.abort;\n\n      request.abort = function () {\n        request.aborted = true;\n        return originalAbort.apply(request, arguments);\n      };\n\n      request.uri = options.uri;\n      request.requestTime = Date.now();\n      return request;\n    };\n\n    return xhr;\n  };\n  /**\n   * Turns segment byterange into a string suitable for use in\n   * HTTP Range requests\n   *\n   * @param {Object} byterange - an object with two values defining the start and end\n   *                             of a byte-range\n   */\n\n\n  var byterangeStr = function byterangeStr(byterange) {\n    var byterangeStart = void 0;\n    var byterangeEnd = void 0; // `byterangeEnd` is one less than `offset + length` because the HTTP range\n    // header uses inclusive ranges\n\n    byterangeEnd = byterange.offset + byterange.length - 1;\n    byterangeStart = byterange.offset;\n    return 'bytes=' + byterangeStart + '-' + byterangeEnd;\n  };\n  /**\n   * Defines headers for use in the xhr request for a particular segment.\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   */\n\n\n  var segmentXhrHeaders = function segmentXhrHeaders(segment) {\n    var headers = {};\n\n    if (segment.byterange) {\n      headers.Range = byterangeStr(segment.byterange);\n    }\n\n    return headers;\n  };\n  /**\n   * @file bin-utils.js\n   */\n\n  /**\n   * convert a TimeRange to text\n   *\n   * @param {TimeRange} range the timerange to use for conversion\n   * @param {Number} i the iterator on the range to convert\n   */\n\n\n  var textRange = function textRange(range, i) {\n    return range.start(i) + '-' + range.end(i);\n  };\n  /**\n   * format a number as hex string\n   *\n   * @param {Number} e The number\n   * @param {Number} i the iterator\n   */\n\n\n  var formatHexString = function formatHexString(e, i) {\n    var value = e.toString(16);\n    return '00'.substring(0, 2 - value.length) + value + (i % 2 ? ' ' : '');\n  };\n\n  var formatAsciiString = function formatAsciiString(e) {\n    if (e >= 0x20 && e < 0x7e) {\n      return String.fromCharCode(e);\n    }\n\n    return '.';\n  };\n  /**\n   * Creates an object for sending to a web worker modifying properties that are TypedArrays\n   * into a new object with seperated properties for the buffer, byteOffset, and byteLength.\n   *\n   * @param {Object} message\n   *        Object of properties and values to send to the web worker\n   * @return {Object}\n   *         Modified message with TypedArray values expanded\n   * @function createTransferableMessage\n   */\n\n\n  var createTransferableMessage = function createTransferableMessage(message) {\n    var transferable = {};\n    Object.keys(message).forEach(function (key) {\n      var value = message[key];\n\n      if (ArrayBuffer.isView(value)) {\n        transferable[key] = {\n          bytes: value.buffer,\n          byteOffset: value.byteOffset,\n          byteLength: value.byteLength\n        };\n      } else {\n        transferable[key] = value;\n      }\n    });\n    return transferable;\n  };\n  /**\n   * Returns a unique string identifier for a media initialization\n   * segment.\n   */\n\n\n  var initSegmentId = function initSegmentId(initSegment) {\n    var byterange = initSegment.byterange || {\n      length: Infinity,\n      offset: 0\n    };\n    return [byterange.length, byterange.offset, initSegment.resolvedUri].join(',');\n  };\n  /**\n   * Returns a unique string identifier for a media segment key.\n   */\n\n\n  var segmentKeyId = function segmentKeyId(key) {\n    return key.resolvedUri;\n  };\n  /**\n   * utils to help dump binary data to the console\n   */\n\n\n  var hexDump = function hexDump(data) {\n    var bytes = Array.prototype.slice.call(data);\n    var step = 16;\n    var result = '';\n    var hex = void 0;\n    var ascii = void 0;\n\n    for (var j = 0; j < bytes.length / step; j++) {\n      hex = bytes.slice(j * step, j * step + step).map(formatHexString).join('');\n      ascii = bytes.slice(j * step, j * step + step).map(formatAsciiString).join('');\n      result += hex + ' ' + ascii + '\\n';\n    }\n\n    return result;\n  };\n\n  var tagDump = function tagDump(_ref) {\n    var bytes = _ref.bytes;\n    return hexDump(bytes);\n  };\n\n  var textRanges = function textRanges(ranges) {\n    var result = '';\n    var i = void 0;\n\n    for (i = 0; i < ranges.length; i++) {\n      result += textRange(ranges, i) + ' ';\n    }\n\n    return result;\n  };\n\n  var utils$1 = /*#__PURE__*/Object.freeze({\n    createTransferableMessage: createTransferableMessage,\n    initSegmentId: initSegmentId,\n    segmentKeyId: segmentKeyId,\n    hexDump: hexDump,\n    tagDump: tagDump,\n    textRanges: textRanges\n  }); // TODO handle fmp4 case where the timing info is accurate and doesn't involve transmux\n  // Add 25% to the segment duration to account for small discrepencies in segment timing.\n  // 25% was arbitrarily chosen, and may need to be refined over time.\n\n  var SEGMENT_END_FUDGE_PERCENT = 0.25;\n  /**\n   * Converts a player time (any time that can be gotten/set from player.currentTime(),\n   * e.g., any time within player.seekable().start(0) to player.seekable().end(0)) to a\n   * program time (any time referencing the real world (e.g., EXT-X-PROGRAM-DATE-TIME)).\n   *\n   * The containing segment is required as the EXT-X-PROGRAM-DATE-TIME serves as an \"anchor\n   * point\" (a point where we have a mapping from program time to player time, with player\n   * time being the post transmux start of the segment).\n   *\n   * For more details, see [this doc](../../docs/program-time-from-player-time.md).\n   *\n   * @param {Number} playerTime the player time\n   * @param {Object} segment the segment which contains the player time\n   * @return {Date} program time\n   */\n\n  var playerTimeToProgramTime = function playerTimeToProgramTime(playerTime, segment) {\n    if (!segment.dateTimeObject) {\n      // Can't convert without an \"anchor point\" for the program time (i.e., a time that can\n      // be used to map the start of a segment with a real world time).\n      return null;\n    }\n\n    var transmuxerPrependedSeconds = segment.videoTimingInfo.transmuxerPrependedSeconds;\n    var transmuxedStart = segment.videoTimingInfo.transmuxedPresentationStart; // get the start of the content from before old content is prepended\n\n    var startOfSegment = transmuxedStart + transmuxerPrependedSeconds;\n    var offsetFromSegmentStart = playerTime - startOfSegment;\n    return new Date(segment.dateTimeObject.getTime() + offsetFromSegmentStart * 1000);\n  };\n\n  var originalSegmentVideoDuration = function originalSegmentVideoDuration(videoTimingInfo) {\n    return videoTimingInfo.transmuxedPresentationEnd - videoTimingInfo.transmuxedPresentationStart - videoTimingInfo.transmuxerPrependedSeconds;\n  };\n  /**\n   * Finds a segment that contains the time requested given as an ISO-8601 string. The\n   * returned segment might be an estimate or an accurate match.\n   *\n   * @param {String} programTime The ISO-8601 programTime to find a match for\n   * @param {Object} playlist A playlist object to search within\n   */\n\n\n  var findSegmentForProgramTime = function findSegmentForProgramTime(programTime, playlist) {\n    // Assumptions:\n    //  - verifyProgramDateTimeTags has already been run\n    //  - live streams have been started\n    var dateTimeObject = void 0;\n\n    try {\n      dateTimeObject = new Date(programTime);\n    } catch (e) {\n      return null;\n    }\n\n    if (!playlist || !playlist.segments || playlist.segments.length === 0) {\n      return null;\n    }\n\n    var segment = playlist.segments[0];\n\n    if (dateTimeObject < segment.dateTimeObject) {\n      // Requested time is before stream start.\n      return null;\n    }\n\n    for (var i = 0; i < playlist.segments.length - 1; i++) {\n      segment = playlist.segments[i];\n      var nextSegmentStart = playlist.segments[i + 1].dateTimeObject;\n\n      if (dateTimeObject < nextSegmentStart) {\n        break;\n      }\n    }\n\n    var lastSegment = playlist.segments[playlist.segments.length - 1];\n    var lastSegmentStart = lastSegment.dateTimeObject;\n    var lastSegmentDuration = lastSegment.videoTimingInfo ? originalSegmentVideoDuration(lastSegment.videoTimingInfo) : lastSegment.duration + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT;\n    var lastSegmentEnd = new Date(lastSegmentStart.getTime() + lastSegmentDuration * 1000);\n\n    if (dateTimeObject > lastSegmentEnd) {\n      // Beyond the end of the stream, or our best guess of the end of the stream.\n      return null;\n    }\n\n    if (dateTimeObject > lastSegmentStart) {\n      segment = lastSegment;\n    }\n\n    return {\n      segment: segment,\n      estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : Playlist.duration(playlist, playlist.mediaSequence + playlist.segments.indexOf(segment)),\n      // Although, given that all segments have accurate date time objects, the segment\n      // selected should be accurate, unless the video has been transmuxed at some point\n      // (determined by the presence of the videoTimingInfo object), the segment's \"player\n      // time\" (the start time in the player) can't be considered accurate.\n      type: segment.videoTimingInfo ? 'accurate' : 'estimate'\n    };\n  };\n  /**\n   * Finds a segment that contains the given player time(in seconds).\n   *\n   * @param {Number} time The player time to find a match for\n   * @param {Object} playlist A playlist object to search within\n   */\n\n\n  var findSegmentForPlayerTime = function findSegmentForPlayerTime(time, playlist) {\n    // Assumptions:\n    // - there will always be a segment.duration\n    // - we can start from zero\n    // - segments are in time order\n    if (!playlist || !playlist.segments || playlist.segments.length === 0) {\n      return null;\n    }\n\n    var segmentEnd = 0;\n    var segment = void 0;\n\n    for (var i = 0; i < playlist.segments.length; i++) {\n      segment = playlist.segments[i]; // videoTimingInfo is set after the segment is downloaded and transmuxed, and\n      // should contain the most accurate values we have for the segment's player times.\n      //\n      // Use the accurate transmuxedPresentationEnd value if it is available, otherwise fall\n      // back to an estimate based on the manifest derived (inaccurate) segment.duration, to\n      // calculate an end value.\n\n      segmentEnd = segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationEnd : segmentEnd + segment.duration;\n\n      if (time <= segmentEnd) {\n        break;\n      }\n    }\n\n    var lastSegment = playlist.segments[playlist.segments.length - 1];\n\n    if (lastSegment.videoTimingInfo && lastSegment.videoTimingInfo.transmuxedPresentationEnd < time) {\n      // The time requested is beyond the stream end.\n      return null;\n    }\n\n    if (time > segmentEnd) {\n      // The time is within or beyond the last segment.\n      //\n      // Check to see if the time is beyond a reasonable guess of the end of the stream.\n      if (time > segmentEnd + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT) {\n        // Technically, because the duration value is only an estimate, the time may still\n        // exist in the last segment, however, there isn't enough information to make even\n        // a reasonable estimate.\n        return null;\n      }\n\n      segment = lastSegment;\n    }\n\n    return {\n      segment: segment,\n      estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : segmentEnd - segment.duration,\n      // Because videoTimingInfo is only set after transmux, it is the only way to get\n      // accurate timing values.\n      type: segment.videoTimingInfo ? 'accurate' : 'estimate'\n    };\n  };\n  /**\n   * Gives the offset of the comparisonTimestamp from the programTime timestamp in seconds.\n   * If the offset returned is positive, the programTime occurs after the\n   * comparisonTimestamp.\n   * If the offset is negative, the programTime occurs before the comparisonTimestamp.\n   *\n   * @param {String} comparisonTimeStamp An ISO-8601 timestamp to compare against\n   * @param {String} programTime The programTime as an ISO-8601 string\n   * @return {Number} offset\n   */\n\n\n  var getOffsetFromTimestamp = function getOffsetFromTimestamp(comparisonTimeStamp, programTime) {\n    var segmentDateTime = void 0;\n    var programDateTime = void 0;\n\n    try {\n      segmentDateTime = new Date(comparisonTimeStamp);\n      programDateTime = new Date(programTime);\n    } catch (e) {// TODO handle error\n    }\n\n    var segmentTimeEpoch = segmentDateTime.getTime();\n    var programTimeEpoch = programDateTime.getTime();\n    return (programTimeEpoch - segmentTimeEpoch) / 1000;\n  };\n  /**\n   * Checks that all segments in this playlist have programDateTime tags.\n   *\n   * @param {Object} playlist A playlist object\n   */\n\n\n  var verifyProgramDateTimeTags = function verifyProgramDateTimeTags(playlist) {\n    if (!playlist.segments || playlist.segments.length === 0) {\n      return false;\n    }\n\n    for (var i = 0; i < playlist.segments.length; i++) {\n      var segment = playlist.segments[i];\n\n      if (!segment.dateTimeObject) {\n        return false;\n      }\n    }\n\n    return true;\n  };\n  /**\n   * Returns the programTime of the media given a playlist and a playerTime.\n   * The playlist must have programDateTime tags for a programDateTime tag to be returned.\n   * If the segments containing the time requested have not been buffered yet, an estimate\n   * may be returned to the callback.\n   *\n   * @param {Object} args\n   * @param {Object} args.playlist A playlist object to search within\n   * @param {Number} time A playerTime in seconds\n   * @param {Function} callback(err, programTime)\n   * @returns {String} err.message A detailed error message\n   * @returns {Object} programTime\n   * @returns {Number} programTime.mediaSeconds The streamTime in seconds\n   * @returns {String} programTime.programDateTime The programTime as an ISO-8601 String\n   */\n\n\n  var getProgramTime = function getProgramTime(_ref) {\n    var playlist = _ref.playlist,\n        _ref$time = _ref.time,\n        time = _ref$time === undefined ? undefined : _ref$time,\n        callback = _ref.callback;\n\n    if (!callback) {\n      throw new Error('getProgramTime: callback must be provided');\n    }\n\n    if (!playlist || time === undefined) {\n      return callback({\n        message: 'getProgramTime: playlist and time must be provided'\n      });\n    }\n\n    var matchedSegment = findSegmentForPlayerTime(time, playlist);\n\n    if (!matchedSegment) {\n      return callback({\n        message: 'valid programTime was not found'\n      });\n    }\n\n    if (matchedSegment.type === 'estimate') {\n      return callback({\n        message: 'Accurate programTime could not be determined.' + ' Please seek to e.seekTime and try again',\n        seekTime: matchedSegment.estimatedStart\n      });\n    }\n\n    var programTimeObject = {\n      mediaSeconds: time\n    };\n    var programTime = playerTimeToProgramTime(time, matchedSegment.segment);\n\n    if (programTime) {\n      programTimeObject.programDateTime = programTime.toISOString();\n    }\n\n    return callback(null, programTimeObject);\n  };\n  /**\n   * Seeks in the player to a time that matches the given programTime ISO-8601 string.\n   *\n   * @param {Object} args\n   * @param {String} args.programTime A programTime to seek to as an ISO-8601 String\n   * @param {Object} args.playlist A playlist to look within\n   * @param {Number} args.retryCount The number of times to try for an accurate seek. Default is 2.\n   * @param {Function} args.seekTo A method to perform a seek\n   * @param {Boolean} args.pauseAfterSeek Whether to end in a paused state after seeking. Default is true.\n   * @param {Object} args.tech The tech to seek on\n   * @param {Function} args.callback(err, newTime) A callback to return the new time to\n   * @returns {String} err.message A detailed error message\n   * @returns {Number} newTime The exact time that was seeked to in seconds\n   */\n\n\n  var seekToProgramTime = function seekToProgramTime(_ref2) {\n    var programTime = _ref2.programTime,\n        playlist = _ref2.playlist,\n        _ref2$retryCount = _ref2.retryCount,\n        retryCount = _ref2$retryCount === undefined ? 2 : _ref2$retryCount,\n        seekTo = _ref2.seekTo,\n        _ref2$pauseAfterSeek = _ref2.pauseAfterSeek,\n        pauseAfterSeek = _ref2$pauseAfterSeek === undefined ? true : _ref2$pauseAfterSeek,\n        tech = _ref2.tech,\n        callback = _ref2.callback;\n\n    if (!callback) {\n      throw new Error('seekToProgramTime: callback must be provided');\n    }\n\n    if (typeof programTime === 'undefined' || !playlist || !seekTo) {\n      return callback({\n        message: 'seekToProgramTime: programTime, seekTo and playlist must be provided'\n      });\n    }\n\n    if (!playlist.endList && !tech.hasStarted_) {\n      return callback({\n        message: 'player must be playing a live stream to start buffering'\n      });\n    }\n\n    if (!verifyProgramDateTimeTags(playlist)) {\n      return callback({\n        message: 'programDateTime tags must be provided in the manifest ' + playlist.resolvedUri\n      });\n    }\n\n    var matchedSegment = findSegmentForProgramTime(programTime, playlist); // no match\n\n    if (!matchedSegment) {\n      return callback({\n        message: programTime + ' was not found in the stream'\n      });\n    }\n\n    var segment = matchedSegment.segment;\n    var mediaOffset = getOffsetFromTimestamp(segment.dateTimeObject, programTime);\n\n    if (matchedSegment.type === 'estimate') {\n      // we've run out of retries\n      if (retryCount === 0) {\n        return callback({\n          message: programTime + ' is not buffered yet. Try again'\n        });\n      }\n\n      seekTo(matchedSegment.estimatedStart + mediaOffset);\n      tech.one('seeked', function () {\n        seekToProgramTime({\n          programTime: programTime,\n          playlist: playlist,\n          retryCount: retryCount - 1,\n          seekTo: seekTo,\n          pauseAfterSeek: pauseAfterSeek,\n          tech: tech,\n          callback: callback\n        });\n      });\n      return;\n    } // Since the segment.start value is determined from the buffered end or ending time\n    // of the prior segment, the seekToTime doesn't need to account for any transmuxer\n    // modifications.\n\n\n    var seekToTime = segment.start + mediaOffset;\n\n    var seekedCallback = function seekedCallback() {\n      return callback(null, tech.currentTime());\n    }; // listen for seeked event\n\n\n    tech.one('seeked', seekedCallback); // pause before seeking as video.js will restore this state\n\n    if (pauseAfterSeek) {\n      tech.pause();\n    }\n\n    seekTo(seekToTime);\n  };\n  /**\n   * ranges\n   *\n   * Utilities for working with TimeRanges.\n   *\n   */\n  // Fudge factor to account for TimeRanges rounding\n\n\n  var TIME_FUDGE_FACTOR = 1 / 30; // Comparisons between time values such as current time and the end of the buffered range\n  // can be misleading because of precision differences or when the current media has poorly\n  // aligned audio and video, which can cause values to be slightly off from what you would\n  // expect. This value is what we consider to be safe to use in such comparisons to account\n  // for these scenarios.\n\n  var SAFE_TIME_DELTA = TIME_FUDGE_FACTOR * 3;\n\n  var filterRanges = function filterRanges(timeRanges, predicate) {\n    var results = [];\n    var i = void 0;\n\n    if (timeRanges && timeRanges.length) {\n      // Search for ranges that match the predicate\n      for (i = 0; i < timeRanges.length; i++) {\n        if (predicate(timeRanges.start(i), timeRanges.end(i))) {\n          results.push([timeRanges.start(i), timeRanges.end(i)]);\n        }\n      }\n    }\n\n    return videojs$1.createTimeRanges(results);\n  };\n  /**\n   * Attempts to find the buffered TimeRange that contains the specified\n   * time.\n   * @param {TimeRanges} buffered - the TimeRanges object to query\n   * @param {number} time  - the time to filter on.\n   * @returns {TimeRanges} a new TimeRanges object\n   */\n\n\n  var findRange = function findRange(buffered, time) {\n    return filterRanges(buffered, function (start, end) {\n      return start - SAFE_TIME_DELTA <= time && end + SAFE_TIME_DELTA >= time;\n    });\n  };\n  /**\n   * Returns the TimeRanges that begin later than the specified time.\n   * @param {TimeRanges} timeRanges - the TimeRanges object to query\n   * @param {number} time - the time to filter on.\n   * @returns {TimeRanges} a new TimeRanges object.\n   */\n\n\n  var findNextRange = function findNextRange(timeRanges, time) {\n    return filterRanges(timeRanges, function (start) {\n      return start - TIME_FUDGE_FACTOR >= time;\n    });\n  };\n  /**\n   * Returns gaps within a list of TimeRanges\n   * @param {TimeRanges} buffered - the TimeRanges object\n   * @return {TimeRanges} a TimeRanges object of gaps\n   */\n\n\n  var findGaps = function findGaps(buffered) {\n    if (buffered.length < 2) {\n      return videojs$1.createTimeRanges();\n    }\n\n    var ranges = [];\n\n    for (var i = 1; i < buffered.length; i++) {\n      var start = buffered.end(i - 1);\n      var end = buffered.start(i);\n      ranges.push([start, end]);\n    }\n\n    return videojs$1.createTimeRanges(ranges);\n  };\n  /**\n   * Gets a human readable string for a TimeRange\n   *\n   * @param {TimeRange} range\n   * @returns {String} a human readable string\n   */\n\n\n  var printableRange = function printableRange(range) {\n    var strArr = [];\n\n    if (!range || !range.length) {\n      return '';\n    }\n\n    for (var i = 0; i < range.length; i++) {\n      strArr.push(range.start(i) + ' => ' + range.end(i));\n    }\n\n    return strArr.join(', ');\n  };\n  /**\n   * Calculates the amount of time left in seconds until the player hits the end of the\n   * buffer and causes a rebuffer\n   *\n   * @param {TimeRange} buffered\n   *        The state of the buffer\n   * @param {Numnber} currentTime\n   *        The current time of the player\n   * @param {Number} playbackRate\n   *        The current playback rate of the player. Defaults to 1.\n   * @return {Number}\n   *         Time until the player has to start rebuffering in seconds.\n   * @function timeUntilRebuffer\n   */\n\n\n  var timeUntilRebuffer = function timeUntilRebuffer(buffered, currentTime) {\n    var playbackRate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;\n    var bufferedEnd = buffered.length ? buffered.end(buffered.length - 1) : 0;\n    return (bufferedEnd - currentTime) / playbackRate;\n  };\n  /**\n   * Converts a TimeRanges object into an array representation\n   * @param {TimeRanges} timeRanges\n   * @returns {Array}\n   */\n\n\n  var timeRangesToArray = function timeRangesToArray(timeRanges) {\n    var timeRangesList = [];\n\n    for (var i = 0; i < timeRanges.length; i++) {\n      timeRangesList.push({\n        start: timeRanges.start(i),\n        end: timeRanges.end(i)\n      });\n    }\n\n    return timeRangesList;\n  };\n  /**\n   * @file create-text-tracks-if-necessary.js\n   */\n\n  /**\n   * Create text tracks on video.js if they exist on a segment.\n   *\n   * @param {Object} sourceBuffer the VSB or FSB\n   * @param {Object} mediaSource the HTML media source\n   * @param {Object} segment the segment that may contain the text track\n   * @private\n   */\n\n\n  var createTextTracksIfNecessary = function createTextTracksIfNecessary(sourceBuffer, mediaSource, segment) {\n    var player = mediaSource.player_; // create an in-band caption track if one is present in the segment\n\n    if (segment.captions && segment.captions.length) {\n      if (!sourceBuffer.inbandTextTracks_) {\n        sourceBuffer.inbandTextTracks_ = {};\n      }\n\n      for (var trackId in segment.captionStreams) {\n        if (!sourceBuffer.inbandTextTracks_[trackId]) {\n          player.tech_.trigger({\n            type: 'usage',\n            name: 'hls-608'\n          });\n          var track = player.textTracks().getTrackById(trackId);\n\n          if (track) {\n            // Resuse an existing track with a CC# id because this was\n            // very likely created by videojs-contrib-hls from information\n            // in the m3u8 for us to use\n            sourceBuffer.inbandTextTracks_[trackId] = track;\n          } else {\n            // Otherwise, create a track with the default `CC#` label and\n            // without a language\n            sourceBuffer.inbandTextTracks_[trackId] = player.addRemoteTextTrack({\n              kind: 'captions',\n              id: trackId,\n              label: trackId\n            }, false).track;\n          }\n        }\n      }\n    }\n\n    if (segment.metadata && segment.metadata.length && !sourceBuffer.metadataTrack_) {\n      sourceBuffer.metadataTrack_ = player.addRemoteTextTrack({\n        kind: 'metadata',\n        label: 'Timed Metadata'\n      }, false).track;\n      sourceBuffer.metadataTrack_.inBandMetadataTrackDispatchType = segment.metadata.dispatchType;\n    }\n  };\n  /**\n   * @file remove-cues-from-track.js\n   */\n\n  /**\n   * Remove cues from a track on video.js.\n   *\n   * @param {Double} start start of where we should remove the cue\n   * @param {Double} end end of where the we should remove the cue\n   * @param {Object} track the text track to remove the cues from\n   * @private\n   */\n\n\n  var removeCuesFromTrack = function removeCuesFromTrack(start, end, track) {\n    var i = void 0;\n    var cue = void 0;\n\n    if (!track) {\n      return;\n    }\n\n    if (!track.cues) {\n      return;\n    }\n\n    i = track.cues.length;\n\n    while (i--) {\n      cue = track.cues[i]; // Remove any overlapping cue\n\n      if (cue.startTime <= end && cue.endTime >= start) {\n        track.removeCue(cue);\n      }\n    }\n  };\n  /**\n   * @file add-text-track-data.js\n   */\n\n  /**\n   * Define properties on a cue for backwards compatability,\n   * but warn the user that the way that they are using it\n   * is depricated and will be removed at a later date.\n   *\n   * @param {Cue} cue the cue to add the properties on\n   * @private\n   */\n\n\n  var deprecateOldCue = function deprecateOldCue(cue) {\n    Object.defineProperties(cue.frame, {\n      id: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.id is deprecated. Use cue.value.key instead.');\n          return cue.value.key;\n        }\n      },\n      value: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.value is deprecated. Use cue.value.data instead.');\n          return cue.value.data;\n        }\n      },\n      privateData: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.privateData is deprecated. Use cue.value.data instead.');\n          return cue.value.data;\n        }\n      }\n    });\n  };\n\n  var durationOfVideo = function durationOfVideo(duration) {\n    var dur = void 0;\n\n    if (isNaN(duration) || Math.abs(duration) === Infinity) {\n      dur = Number.MAX_VALUE;\n    } else {\n      dur = duration;\n    }\n\n    return dur;\n  };\n  /**\n   * Add text track data to a source handler given the captions and\n   * metadata from the buffer.\n   *\n   * @param {Object} sourceHandler the virtual source buffer\n   * @param {Array} captionArray an array of caption data\n   * @param {Array} metadataArray an array of meta data\n   * @private\n   */\n\n\n  var addTextTrackData = function addTextTrackData(sourceHandler, captionArray, metadataArray) {\n    var Cue = window$3.WebKitDataCue || window$3.VTTCue;\n\n    if (captionArray) {\n      captionArray.forEach(function (caption) {\n        var track = caption.stream;\n        this.inbandTextTracks_[track].addCue(new Cue(caption.startTime + this.timestampOffset, caption.endTime + this.timestampOffset, caption.text));\n      }, sourceHandler);\n    }\n\n    if (metadataArray) {\n      var videoDuration = durationOfVideo(sourceHandler.mediaSource_.duration);\n      metadataArray.forEach(function (metadata) {\n        var time = metadata.cueTime + this.timestampOffset; // if time isn't a finite number between 0 and Infinity, like NaN,\n        // ignore this bit of metadata.\n        // This likely occurs when you have an non-timed ID3 tag like TIT2,\n        // which is the \"Title/Songname/Content description\" frame\n\n        if (typeof time !== 'number' || window$3.isNaN(time) || time < 0 || !(time < Infinity)) {\n          return;\n        }\n\n        metadata.frames.forEach(function (frame) {\n          var cue = new Cue(time, time, frame.value || frame.url || frame.data || '');\n          cue.frame = frame;\n          cue.value = frame;\n          deprecateOldCue(cue);\n          this.metadataTrack_.addCue(cue);\n        }, this);\n      }, sourceHandler); // Updating the metadeta cues so that\n      // the endTime of each cue is the startTime of the next cue\n      // the endTime of last cue is the duration of the video\n\n      if (sourceHandler.metadataTrack_ && sourceHandler.metadataTrack_.cues && sourceHandler.metadataTrack_.cues.length) {\n        var cues = sourceHandler.metadataTrack_.cues;\n        var cuesArray = []; // Create a copy of the TextTrackCueList...\n        // ...disregarding cues with a falsey value\n\n        for (var i = 0; i < cues.length; i++) {\n          if (cues[i]) {\n            cuesArray.push(cues[i]);\n          }\n        } // Group cues by their startTime value\n\n\n        var cuesGroupedByStartTime = cuesArray.reduce(function (obj, cue) {\n          var timeSlot = obj[cue.startTime] || [];\n          timeSlot.push(cue);\n          obj[cue.startTime] = timeSlot;\n          return obj;\n        }, {}); // Sort startTimes by ascending order\n\n        var sortedStartTimes = Object.keys(cuesGroupedByStartTime).sort(function (a, b) {\n          return Number(a) - Number(b);\n        }); // Map each cue group's endTime to the next group's startTime\n\n        sortedStartTimes.forEach(function (startTime, idx) {\n          var cueGroup = cuesGroupedByStartTime[startTime];\n          var nextTime = Number(sortedStartTimes[idx + 1]) || videoDuration; // Map each cue's endTime the next group's startTime\n\n          cueGroup.forEach(function (cue) {\n            cue.endTime = nextTime;\n          });\n        });\n      }\n    }\n  };\n\n  var win = typeof window !== 'undefined' ? window : {},\n      TARGET = typeof Symbol === 'undefined' ? '__target' : Symbol(),\n      SCRIPT_TYPE = 'application/javascript',\n      BlobBuilder = win.BlobBuilder || win.WebKitBlobBuilder || win.MozBlobBuilder || win.MSBlobBuilder,\n      URL = win.URL || win.webkitURL || URL && URL.msURL,\n      Worker = win.Worker;\n  /**\n   * Returns a wrapper around Web Worker code that is constructible.\n   *\n   * @function shimWorker\n   *\n   * @param { String }    filename    The name of the file\n   * @param { Function }  fn          Function wrapping the code of the worker\n   */\n\n  function shimWorker(filename, fn) {\n    return function ShimWorker(forceFallback) {\n      var o = this;\n\n      if (!fn) {\n        return new Worker(filename);\n      } else if (Worker && !forceFallback) {\n        // Convert the function's inner code to a string to construct the worker\n        var source = fn.toString().replace(/^function.+?{/, '').slice(0, -1),\n            objURL = createSourceObject(source);\n        this[TARGET] = new Worker(objURL);\n        wrapTerminate(this[TARGET], objURL);\n        return this[TARGET];\n      } else {\n        var selfShim = {\n          postMessage: function postMessage(m) {\n            if (o.onmessage) {\n              setTimeout(function () {\n                o.onmessage({\n                  data: m,\n                  target: selfShim\n                });\n              });\n            }\n          }\n        };\n        fn.call(selfShim);\n\n        this.postMessage = function (m) {\n          setTimeout(function () {\n            selfShim.onmessage({\n              data: m,\n              target: o\n            });\n          });\n        };\n\n        this.isThisThread = true;\n      }\n    };\n  } // Test Worker capabilities\n\n\n  if (Worker) {\n    var testWorker,\n        objURL = createSourceObject('self.onmessage = function () {}'),\n        testArray = new Uint8Array(1);\n\n    try {\n      testWorker = new Worker(objURL); // Native browser on some Samsung devices throws for transferables, let's detect it\n\n      testWorker.postMessage(testArray, [testArray.buffer]);\n    } catch (e) {\n      Worker = null;\n    } finally {\n      URL.revokeObjectURL(objURL);\n\n      if (testWorker) {\n        testWorker.terminate();\n      }\n    }\n  }\n\n  function createSourceObject(str) {\n    try {\n      return URL.createObjectURL(new Blob([str], {\n        type: SCRIPT_TYPE\n      }));\n    } catch (e) {\n      var blob = new BlobBuilder();\n      blob.append(str);\n      return URL.createObjectURL(blob.getBlob(type));\n    }\n  }\n\n  function wrapTerminate(worker, objURL) {\n    if (!worker || !objURL) return;\n    var term = worker.terminate;\n    worker.objURL = objURL;\n\n    worker.terminate = function () {\n      if (worker.objURL) URL.revokeObjectURL(worker.objURL);\n      term.call(worker);\n    };\n  }\n\n  var TransmuxWorker = new shimWorker(\"./transmuxer-worker.worker.js\", function (window, document$$1) {\n    var self = this;\n\n    var transmuxerWorker = function () {\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * A lightweight readable stream implemention that handles event dispatching.\n       * Objects that inherit from streams should call init in their constructors.\n       */\n      var Stream = function Stream() {\n        this.init = function () {\n          var listeners = {};\n          /**\n           * Add a listener for a specified event type.\n           * @param type {string} the event name\n           * @param listener {function} the callback to be invoked when an event of\n           * the specified type occurs\n           */\n\n          this.on = function (type, listener) {\n            if (!listeners[type]) {\n              listeners[type] = [];\n            }\n\n            listeners[type] = listeners[type].concat(listener);\n          };\n          /**\n           * Remove a listener for a specified event type.\n           * @param type {string} the event name\n           * @param listener {function} a function previously registered for this\n           * type of event through `on`\n           */\n\n\n          this.off = function (type, listener) {\n            var index;\n\n            if (!listeners[type]) {\n              return false;\n            }\n\n            index = listeners[type].indexOf(listener);\n            listeners[type] = listeners[type].slice();\n            listeners[type].splice(index, 1);\n            return index > -1;\n          };\n          /**\n           * Trigger an event of the specified type on this stream. Any additional\n           * arguments to this function are passed as parameters to event listeners.\n           * @param type {string} the event name\n           */\n\n\n          this.trigger = function (type) {\n            var callbacks, i, length, args;\n            callbacks = listeners[type];\n\n            if (!callbacks) {\n              return;\n            } // Slicing the arguments on every invocation of this method\n            // can add a significant amount of overhead. Avoid the\n            // intermediate object creation for the common case of a\n            // single callback argument\n\n\n            if (arguments.length === 2) {\n              length = callbacks.length;\n\n              for (i = 0; i < length; ++i) {\n                callbacks[i].call(this, arguments[1]);\n              }\n            } else {\n              args = [];\n              i = arguments.length;\n\n              for (i = 1; i < arguments.length; ++i) {\n                args.push(arguments[i]);\n              }\n\n              length = callbacks.length;\n\n              for (i = 0; i < length; ++i) {\n                callbacks[i].apply(this, args);\n              }\n            }\n          };\n          /**\n           * Destroys the stream and cleans up.\n           */\n\n\n          this.dispose = function () {\n            listeners = {};\n          };\n        };\n      };\n      /**\n       * Forwards all `data` events on this stream to the destination stream. The\n       * destination stream should provide a method `push` to receive the data\n       * events as they arrive.\n       * @param destination {stream} the stream that will receive all `data` events\n       * @param autoFlush {boolean} if false, we will not call `flush` on the destination\n       *                            when the current stream emits a 'done' event\n       * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n       */\n\n\n      Stream.prototype.pipe = function (destination) {\n        this.on('data', function (data) {\n          destination.push(data);\n        });\n        this.on('done', function (flushSource) {\n          destination.flush(flushSource);\n        });\n        this.on('partialdone', function (flushSource) {\n          destination.partialFlush(flushSource);\n        });\n        this.on('endedtimeline', function (flushSource) {\n          destination.endTimeline(flushSource);\n        });\n        this.on('reset', function (flushSource) {\n          destination.reset(flushSource);\n        });\n        return destination;\n      }; // Default stream functions that are expected to be overridden to perform\n      // actual work. These are provided by the prototype as a sort of no-op\n      // implementation so that we don't have to check for their existence in the\n      // `pipe` function above.\n\n\n      Stream.prototype.push = function (data) {\n        this.trigger('data', data);\n      };\n\n      Stream.prototype.flush = function (flushSource) {\n        this.trigger('done', flushSource);\n      };\n\n      Stream.prototype.partialFlush = function (flushSource) {\n        this.trigger('partialdone', flushSource);\n      };\n\n      Stream.prototype.endTimeline = function (flushSource) {\n        this.trigger('endedtimeline', flushSource);\n      };\n\n      Stream.prototype.reset = function (flushSource) {\n        this.trigger('reset', flushSource);\n      };\n\n      var stream = Stream;\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Functions that generate fragmented MP4s suitable for use with Media\n       * Source Extensions.\n       */\n\n      var UINT32_MAX = Math.pow(2, 32) - 1;\n      var box, dinf, esds, ftyp, mdat, mfhd, minf, moof, moov, mvex, mvhd, trak, tkhd, mdia, mdhd, hdlr, sdtp, stbl, stsd, traf, trex, trun, types, MAJOR_BRAND, MINOR_VERSION, AVC1_BRAND, VIDEO_HDLR, AUDIO_HDLR, HDLR_TYPES, VMHD, SMHD, DREF, STCO, STSC, STSZ, STTS; // pre-calculate constants\n\n      (function () {\n        var i;\n        types = {\n          avc1: [],\n          // codingname\n          avcC: [],\n          btrt: [],\n          dinf: [],\n          dref: [],\n          esds: [],\n          ftyp: [],\n          hdlr: [],\n          mdat: [],\n          mdhd: [],\n          mdia: [],\n          mfhd: [],\n          minf: [],\n          moof: [],\n          moov: [],\n          mp4a: [],\n          // codingname\n          mvex: [],\n          mvhd: [],\n          pasp: [],\n          sdtp: [],\n          smhd: [],\n          stbl: [],\n          stco: [],\n          stsc: [],\n          stsd: [],\n          stsz: [],\n          stts: [],\n          styp: [],\n          tfdt: [],\n          tfhd: [],\n          traf: [],\n          trak: [],\n          trun: [],\n          trex: [],\n          tkhd: [],\n          vmhd: []\n        }; // In environments where Uint8Array is undefined (e.g., IE8), skip set up so that we\n        // don't throw an error\n\n        if (typeof Uint8Array === 'undefined') {\n          return;\n        }\n\n        for (i in types) {\n          if (types.hasOwnProperty(i)) {\n            types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)];\n          }\n        }\n\n        MAJOR_BRAND = new Uint8Array(['i'.charCodeAt(0), 's'.charCodeAt(0), 'o'.charCodeAt(0), 'm'.charCodeAt(0)]);\n        AVC1_BRAND = new Uint8Array(['a'.charCodeAt(0), 'v'.charCodeAt(0), 'c'.charCodeAt(0), '1'.charCodeAt(0)]);\n        MINOR_VERSION = new Uint8Array([0, 0, 0, 1]);\n        VIDEO_HDLR = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // pre_defined\n        0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n        ]);\n        AUDIO_HDLR = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // pre_defined\n        0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n        ]);\n        HDLR_TYPES = {\n          video: VIDEO_HDLR,\n          audio: AUDIO_HDLR\n        };\n        DREF = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x01, // entry_count\n        0x00, 0x00, 0x00, 0x0c, // entry_size\n        0x75, 0x72, 0x6c, 0x20, // 'url' type\n        0x00, // version 0\n        0x00, 0x00, 0x01 // entry_flags\n        ]);\n        SMHD = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, // balance, 0 means centered\n        0x00, 0x00 // reserved\n        ]);\n        STCO = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00 // entry_count\n        ]);\n        STSC = STCO;\n        STSZ = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // sample_size\n        0x00, 0x00, 0x00, 0x00 // sample_count\n        ]);\n        STTS = STCO;\n        VMHD = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x01, // flags\n        0x00, 0x00, // graphicsmode\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor\n        ]);\n      })();\n\n      box = function box(type) {\n        var payload = [],\n            size = 0,\n            i,\n            result,\n            view;\n\n        for (i = 1; i < arguments.length; i++) {\n          payload.push(arguments[i]);\n        }\n\n        i = payload.length; // calculate the total size we need to allocate\n\n        while (i--) {\n          size += payload[i].byteLength;\n        }\n\n        result = new Uint8Array(size + 8);\n        view = new DataView(result.buffer, result.byteOffset, result.byteLength);\n        view.setUint32(0, result.byteLength);\n        result.set(type, 4); // copy the payload into the result\n\n        for (i = 0, size = 8; i < payload.length; i++) {\n          result.set(payload[i], size);\n          size += payload[i].byteLength;\n        }\n\n        return result;\n      };\n\n      dinf = function dinf() {\n        return box(types.dinf, box(types.dref, DREF));\n      };\n\n      esds = function esds(track) {\n        return box(types.esds, new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        // ES_Descriptor\n        0x03, // tag, ES_DescrTag\n        0x19, // length\n        0x00, 0x00, // ES_ID\n        0x00, // streamDependenceFlag, URL_flag, reserved, streamPriority\n        // DecoderConfigDescriptor\n        0x04, // tag, DecoderConfigDescrTag\n        0x11, // length\n        0x40, // object type\n        0x15, // streamType\n        0x00, 0x06, 0x00, // bufferSizeDB\n        0x00, 0x00, 0xda, 0xc0, // maxBitrate\n        0x00, 0x00, 0xda, 0xc0, // avgBitrate\n        // DecoderSpecificInfo\n        0x05, // tag, DecoderSpecificInfoTag\n        0x02, // length\n        // ISO/IEC 14496-3, AudioSpecificConfig\n        // for samplingFrequencyIndex see ISO/IEC 13818-7:2006, 8.1.3.2.2, Table 35\n        track.audioobjecttype << 3 | track.samplingfrequencyindex >>> 1, track.samplingfrequencyindex << 7 | track.channelcount << 3, 0x06, 0x01, 0x02 // GASpecificConfig\n        ]));\n      };\n\n      ftyp = function ftyp() {\n        return box(types.ftyp, MAJOR_BRAND, MINOR_VERSION, MAJOR_BRAND, AVC1_BRAND);\n      };\n\n      hdlr = function hdlr(type) {\n        return box(types.hdlr, HDLR_TYPES[type]);\n      };\n\n      mdat = function mdat(data) {\n        return box(types.mdat, data);\n      };\n\n      mdhd = function mdhd(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x02, // creation_time\n        0x00, 0x00, 0x00, 0x03, // modification_time\n        0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 \"ticks\" per second\n        track.duration >>> 24 & 0xFF, track.duration >>> 16 & 0xFF, track.duration >>> 8 & 0xFF, track.duration & 0xFF, // duration\n        0x55, 0xc4, // 'und' language (undetermined)\n        0x00, 0x00]); // Use the sample rate from the track metadata, when it is\n        // defined. The sample rate can be parsed out of an ADTS header, for\n        // instance.\n\n        if (track.samplerate) {\n          result[12] = track.samplerate >>> 24 & 0xFF;\n          result[13] = track.samplerate >>> 16 & 0xFF;\n          result[14] = track.samplerate >>> 8 & 0xFF;\n          result[15] = track.samplerate & 0xFF;\n        }\n\n        return box(types.mdhd, result);\n      };\n\n      mdia = function mdia(track) {\n        return box(types.mdia, mdhd(track), hdlr(track.type), minf(track));\n      };\n\n      mfhd = function mfhd(sequenceNumber) {\n        return box(types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags\n        (sequenceNumber & 0xFF000000) >> 24, (sequenceNumber & 0xFF0000) >> 16, (sequenceNumber & 0xFF00) >> 8, sequenceNumber & 0xFF // sequence_number\n        ]));\n      };\n\n      minf = function minf(track) {\n        return box(types.minf, track.type === 'video' ? box(types.vmhd, VMHD) : box(types.smhd, SMHD), dinf(), stbl(track));\n      };\n\n      moof = function moof(sequenceNumber, tracks) {\n        var trackFragments = [],\n            i = tracks.length; // build traf boxes for each track fragment\n\n        while (i--) {\n          trackFragments[i] = traf(tracks[i]);\n        }\n\n        return box.apply(null, [types.moof, mfhd(sequenceNumber)].concat(trackFragments));\n      };\n      /**\n       * Returns a movie box.\n       * @param tracks {array} the tracks associated with this movie\n       * @see ISO/IEC 14496-12:2012(E), section 8.2.1\n       */\n\n\n      moov = function moov(tracks) {\n        var i = tracks.length,\n            boxes = [];\n\n        while (i--) {\n          boxes[i] = trak(tracks[i]);\n        }\n\n        return box.apply(null, [types.moov, mvhd(0xffffffff)].concat(boxes).concat(mvex(tracks)));\n      };\n\n      mvex = function mvex(tracks) {\n        var i = tracks.length,\n            boxes = [];\n\n        while (i--) {\n          boxes[i] = trex(tracks[i]);\n        }\n\n        return box.apply(null, [types.mvex].concat(boxes));\n      };\n\n      mvhd = function mvhd(duration) {\n        var bytes = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x01, // creation_time\n        0x00, 0x00, 0x00, 0x02, // modification_time\n        0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 \"ticks\" per second\n        (duration & 0xFF000000) >> 24, (duration & 0xFF0000) >> 16, (duration & 0xFF00) >> 8, duration & 0xFF, // duration\n        0x00, 0x01, 0x00, 0x00, // 1.0 rate\n        0x01, 0x00, // 1.0 volume\n        0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined\n        0xff, 0xff, 0xff, 0xff // next_track_ID\n        ]);\n        return box(types.mvhd, bytes);\n      };\n\n      sdtp = function sdtp(track) {\n        var samples = track.samples || [],\n            bytes = new Uint8Array(4 + samples.length),\n            flags,\n            i; // leave the full box header (4 bytes) all zero\n        // write the sample table\n\n        for (i = 0; i < samples.length; i++) {\n          flags = samples[i].flags;\n          bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy;\n        }\n\n        return box(types.sdtp, bytes);\n      };\n\n      stbl = function stbl(track) {\n        return box(types.stbl, stsd(track), box(types.stts, STTS), box(types.stsc, STSC), box(types.stsz, STSZ), box(types.stco, STCO));\n      };\n\n      (function () {\n        var videoSample, audioSample;\n\n        stsd = function stsd(track) {\n          return box(types.stsd, new Uint8Array([0x00, // version 0\n          0x00, 0x00, 0x00, // flags\n          0x00, 0x00, 0x00, 0x01]), track.type === 'video' ? videoSample(track) : audioSample(track));\n        };\n\n        videoSample = function videoSample(track) {\n          var sps = track.sps || [],\n              pps = track.pps || [],\n              sequenceParameterSets = [],\n              pictureParameterSets = [],\n              i,\n              avc1Box; // assemble the SPSs\n\n          for (i = 0; i < sps.length; i++) {\n            sequenceParameterSets.push((sps[i].byteLength & 0xFF00) >>> 8);\n            sequenceParameterSets.push(sps[i].byteLength & 0xFF); // sequenceParameterSetLength\n\n            sequenceParameterSets = sequenceParameterSets.concat(Array.prototype.slice.call(sps[i])); // SPS\n          } // assemble the PPSs\n\n\n          for (i = 0; i < pps.length; i++) {\n            pictureParameterSets.push((pps[i].byteLength & 0xFF00) >>> 8);\n            pictureParameterSets.push(pps[i].byteLength & 0xFF);\n            pictureParameterSets = pictureParameterSets.concat(Array.prototype.slice.call(pps[i]));\n          }\n\n          avc1Box = [types.avc1, new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // data_reference_index\n          0x00, 0x00, // pre_defined\n          0x00, 0x00, // reserved\n          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined\n          (track.width & 0xff00) >> 8, track.width & 0xff, // width\n          (track.height & 0xff00) >> 8, track.height & 0xff, // height\n          0x00, 0x48, 0x00, 0x00, // horizresolution\n          0x00, 0x48, 0x00, 0x00, // vertresolution\n          0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // frame_count\n          0x13, 0x76, 0x69, 0x64, 0x65, 0x6f, 0x6a, 0x73, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x69, 0x62, 0x2d, 0x68, 0x6c, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname\n          0x00, 0x18, // depth = 24\n          0x11, 0x11 // pre_defined = -1\n          ]), box(types.avcC, new Uint8Array([0x01, // configurationVersion\n          track.profileIdc, // AVCProfileIndication\n          track.profileCompatibility, // profile_compatibility\n          track.levelIdc, // AVCLevelIndication\n          0xff // lengthSizeMinusOne, hard-coded to 4 bytes\n          ].concat([sps.length], // numOfSequenceParameterSets\n          sequenceParameterSets, // \"SPS\"\n          [pps.length], // numOfPictureParameterSets\n          pictureParameterSets // \"PPS\"\n          ))), box(types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n          0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n          0x00, 0x2d, 0xc6, 0xc0 // avgBitrate\n          ]))];\n\n          if (track.sarRatio) {\n            var hSpacing = track.sarRatio[0],\n                vSpacing = track.sarRatio[1];\n            avc1Box.push(box(types.pasp, new Uint8Array([(hSpacing & 0xFF000000) >> 24, (hSpacing & 0xFF0000) >> 16, (hSpacing & 0xFF00) >> 8, hSpacing & 0xFF, (vSpacing & 0xFF000000) >> 24, (vSpacing & 0xFF0000) >> 16, (vSpacing & 0xFF00) >> 8, vSpacing & 0xFF])));\n          }\n\n          return box.apply(null, avc1Box);\n        };\n\n        audioSample = function audioSample(track) {\n          return box(types.mp4a, new Uint8Array([// SampleEntry, ISO/IEC 14496-12\n          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // data_reference_index\n          // AudioSampleEntry, ISO/IEC 14496-12\n          0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x00, 0x00, 0x00, // reserved\n          (track.channelcount & 0xff00) >> 8, track.channelcount & 0xff, // channelcount\n          (track.samplesize & 0xff00) >> 8, track.samplesize & 0xff, // samplesize\n          0x00, 0x00, // pre_defined\n          0x00, 0x00, // reserved\n          (track.samplerate & 0xff00) >> 8, track.samplerate & 0xff, 0x00, 0x00 // samplerate, 16.16\n          // MP4AudioSampleEntry, ISO/IEC 14496-14\n          ]), esds(track));\n        };\n      })();\n\n      tkhd = function tkhd(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x07, // flags\n        0x00, 0x00, 0x00, 0x00, // creation_time\n        0x00, 0x00, 0x00, 0x00, // modification_time\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x00, // reserved\n        (track.duration & 0xFF000000) >> 24, (track.duration & 0xFF0000) >> 16, (track.duration & 0xFF00) >> 8, track.duration & 0xFF, // duration\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, // layer\n        0x00, 0x00, // alternate_group\n        0x01, 0x00, // non-audio track volume\n        0x00, 0x00, // reserved\n        0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n        (track.width & 0xFF00) >> 8, track.width & 0xFF, 0x00, 0x00, // width\n        (track.height & 0xFF00) >> 8, track.height & 0xFF, 0x00, 0x00 // height\n        ]);\n        return box(types.tkhd, result);\n      };\n      /**\n       * Generate a track fragment (traf) box. A traf box collects metadata\n       * about tracks in a movie fragment (moof) box.\n       */\n\n\n      traf = function traf(track) {\n        var trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable, dataOffset, upperWordBaseMediaDecodeTime, lowerWordBaseMediaDecodeTime;\n        trackFragmentHeader = box(types.tfhd, new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x3a, // flags\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x01, // sample_description_index\n        0x00, 0x00, 0x00, 0x00, // default_sample_duration\n        0x00, 0x00, 0x00, 0x00, // default_sample_size\n        0x00, 0x00, 0x00, 0x00 // default_sample_flags\n        ]));\n        upperWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime / (UINT32_MAX + 1));\n        lowerWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime % (UINT32_MAX + 1));\n        trackFragmentDecodeTime = box(types.tfdt, new Uint8Array([0x01, // version 1\n        0x00, 0x00, 0x00, // flags\n        // baseMediaDecodeTime\n        upperWordBaseMediaDecodeTime >>> 24 & 0xFF, upperWordBaseMediaDecodeTime >>> 16 & 0xFF, upperWordBaseMediaDecodeTime >>> 8 & 0xFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >>> 24 & 0xFF, lowerWordBaseMediaDecodeTime >>> 16 & 0xFF, lowerWordBaseMediaDecodeTime >>> 8 & 0xFF, lowerWordBaseMediaDecodeTime & 0xFF])); // the data offset specifies the number of bytes from the start of\n        // the containing moof to the first payload byte of the associated\n        // mdat\n\n        dataOffset = 32 + // tfhd\n        20 + // tfdt\n        8 + // traf header\n        16 + // mfhd\n        8 + // moof header\n        8; // mdat header\n        // audio tracks require less metadata\n\n        if (track.type === 'audio') {\n          trackFragmentRun = trun(track, dataOffset);\n          return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun);\n        } // video tracks should contain an independent and disposable samples\n        // box (sdtp)\n        // generate one and adjust offsets to match\n\n\n        sampleDependencyTable = sdtp(track);\n        trackFragmentRun = trun(track, sampleDependencyTable.length + dataOffset);\n        return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable);\n      };\n      /**\n       * Generate a track box.\n       * @param track {object} a track definition\n       * @return {Uint8Array} the track box\n       */\n\n\n      trak = function trak(track) {\n        track.duration = track.duration || 0xffffffff;\n        return box(types.trak, tkhd(track), mdia(track));\n      };\n\n      trex = function trex(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n        0x00, 0x00, 0x00, 0x00, // default_sample_duration\n        0x00, 0x00, 0x00, 0x00, // default_sample_size\n        0x00, 0x01, 0x00, 0x01 // default_sample_flags\n        ]); // the last two bytes of default_sample_flags is the sample\n        // degradation priority, a hint about the importance of this sample\n        // relative to others. Lower the degradation priority for all sample\n        // types other than video.\n\n        if (track.type !== 'video') {\n          result[result.length - 1] = 0x00;\n        }\n\n        return box(types.trex, result);\n      };\n\n      (function () {\n        var audioTrun, videoTrun, trunHeader; // This method assumes all samples are uniform. That is, if a\n        // duration is present for the first sample, it will be present for\n        // all subsequent samples.\n        // see ISO/IEC 14496-12:2012, Section 8.8.8.1\n\n        trunHeader = function trunHeader(samples, offset) {\n          var durationPresent = 0,\n              sizePresent = 0,\n              flagsPresent = 0,\n              compositionTimeOffset = 0; // trun flag constants\n\n          if (samples.length) {\n            if (samples[0].duration !== undefined) {\n              durationPresent = 0x1;\n            }\n\n            if (samples[0].size !== undefined) {\n              sizePresent = 0x2;\n            }\n\n            if (samples[0].flags !== undefined) {\n              flagsPresent = 0x4;\n            }\n\n            if (samples[0].compositionTimeOffset !== undefined) {\n              compositionTimeOffset = 0x8;\n            }\n          }\n\n          return [0x00, // version 0\n          0x00, durationPresent | sizePresent | flagsPresent | compositionTimeOffset, 0x01, // flags\n          (samples.length & 0xFF000000) >>> 24, (samples.length & 0xFF0000) >>> 16, (samples.length & 0xFF00) >>> 8, samples.length & 0xFF, // sample_count\n          (offset & 0xFF000000) >>> 24, (offset & 0xFF0000) >>> 16, (offset & 0xFF00) >>> 8, offset & 0xFF // data_offset\n          ];\n        };\n\n        videoTrun = function videoTrun(track, offset) {\n          var bytes, samples, sample, i;\n          samples = track.samples || [];\n          offset += 8 + 12 + 16 * samples.length;\n          bytes = trunHeader(samples, offset);\n\n          for (i = 0; i < samples.length; i++) {\n            sample = samples[i];\n            bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration\n            (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF, // sample_size\n            sample.flags.isLeading << 2 | sample.flags.dependsOn, sample.flags.isDependedOn << 6 | sample.flags.hasRedundancy << 4 | sample.flags.paddingValue << 1 | sample.flags.isNonSyncSample, sample.flags.degradationPriority & 0xF0 << 8, sample.flags.degradationPriority & 0x0F, // sample_flags\n            (sample.compositionTimeOffset & 0xFF000000) >>> 24, (sample.compositionTimeOffset & 0xFF0000) >>> 16, (sample.compositionTimeOffset & 0xFF00) >>> 8, sample.compositionTimeOffset & 0xFF // sample_composition_time_offset\n            ]);\n          }\n\n          return box(types.trun, new Uint8Array(bytes));\n        };\n\n        audioTrun = function audioTrun(track, offset) {\n          var bytes, samples, sample, i;\n          samples = track.samples || [];\n          offset += 8 + 12 + 8 * samples.length;\n          bytes = trunHeader(samples, offset);\n\n          for (i = 0; i < samples.length; i++) {\n            sample = samples[i];\n            bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration\n            (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF]); // sample_size\n          }\n\n          return box(types.trun, new Uint8Array(bytes));\n        };\n\n        trun = function trun(track, offset) {\n          if (track.type === 'audio') {\n            return audioTrun(track, offset);\n          }\n\n          return videoTrun(track, offset);\n        };\n      })();\n\n      var mp4Generator = {\n        ftyp: ftyp,\n        mdat: mdat,\n        moof: moof,\n        moov: moov,\n        initSegment: function initSegment(tracks) {\n          var fileType = ftyp(),\n              movie = moov(tracks),\n              result;\n          result = new Uint8Array(fileType.byteLength + movie.byteLength);\n          result.set(fileType);\n          result.set(movie, fileType.byteLength);\n          return result;\n        }\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n      // Convert an array of nal units into an array of frames with each frame being\n      // composed of the nal units that make up that frame\n      // Also keep track of cummulative data about the frame from the nal units such\n      // as the frame duration, starting pts, etc.\n\n      var groupNalsIntoFrames = function groupNalsIntoFrames(nalUnits) {\n        var i,\n            currentNal,\n            currentFrame = [],\n            frames = []; // TODO added for LHLS, make sure this is OK\n\n        frames.byteLength = 0;\n        frames.nalCount = 0;\n        frames.duration = 0;\n        currentFrame.byteLength = 0;\n\n        for (i = 0; i < nalUnits.length; i++) {\n          currentNal = nalUnits[i]; // Split on 'aud'-type nal units\n\n          if (currentNal.nalUnitType === 'access_unit_delimiter_rbsp') {\n            // Since the very first nal unit is expected to be an AUD\n            // only push to the frames array when currentFrame is not empty\n            if (currentFrame.length) {\n              currentFrame.duration = currentNal.dts - currentFrame.dts; // TODO added for LHLS, make sure this is OK\n\n              frames.byteLength += currentFrame.byteLength;\n              frames.nalCount += currentFrame.length;\n              frames.duration += currentFrame.duration;\n              frames.push(currentFrame);\n            }\n\n            currentFrame = [currentNal];\n            currentFrame.byteLength = currentNal.data.byteLength;\n            currentFrame.pts = currentNal.pts;\n            currentFrame.dts = currentNal.dts;\n          } else {\n            // Specifically flag key frames for ease of use later\n            if (currentNal.nalUnitType === 'slice_layer_without_partitioning_rbsp_idr') {\n              currentFrame.keyFrame = true;\n            }\n\n            currentFrame.duration = currentNal.dts - currentFrame.dts;\n            currentFrame.byteLength += currentNal.data.byteLength;\n            currentFrame.push(currentNal);\n          }\n        } // For the last frame, use the duration of the previous frame if we\n        // have nothing better to go on\n\n\n        if (frames.length && (!currentFrame.duration || currentFrame.duration <= 0)) {\n          currentFrame.duration = frames[frames.length - 1].duration;\n        } // Push the final frame\n        // TODO added for LHLS, make sure this is OK\n\n\n        frames.byteLength += currentFrame.byteLength;\n        frames.nalCount += currentFrame.length;\n        frames.duration += currentFrame.duration;\n        frames.push(currentFrame);\n        return frames;\n      }; // Convert an array of frames into an array of Gop with each Gop being composed\n      // of the frames that make up that Gop\n      // Also keep track of cummulative data about the Gop from the frames such as the\n      // Gop duration, starting pts, etc.\n\n\n      var groupFramesIntoGops = function groupFramesIntoGops(frames) {\n        var i,\n            currentFrame,\n            currentGop = [],\n            gops = []; // We must pre-set some of the values on the Gop since we\n        // keep running totals of these values\n\n        currentGop.byteLength = 0;\n        currentGop.nalCount = 0;\n        currentGop.duration = 0;\n        currentGop.pts = frames[0].pts;\n        currentGop.dts = frames[0].dts; // store some metadata about all the Gops\n\n        gops.byteLength = 0;\n        gops.nalCount = 0;\n        gops.duration = 0;\n        gops.pts = frames[0].pts;\n        gops.dts = frames[0].dts;\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n\n          if (currentFrame.keyFrame) {\n            // Since the very first frame is expected to be an keyframe\n            // only push to the gops array when currentGop is not empty\n            if (currentGop.length) {\n              gops.push(currentGop);\n              gops.byteLength += currentGop.byteLength;\n              gops.nalCount += currentGop.nalCount;\n              gops.duration += currentGop.duration;\n            }\n\n            currentGop = [currentFrame];\n            currentGop.nalCount = currentFrame.length;\n            currentGop.byteLength = currentFrame.byteLength;\n            currentGop.pts = currentFrame.pts;\n            currentGop.dts = currentFrame.dts;\n            currentGop.duration = currentFrame.duration;\n          } else {\n            currentGop.duration += currentFrame.duration;\n            currentGop.nalCount += currentFrame.length;\n            currentGop.byteLength += currentFrame.byteLength;\n            currentGop.push(currentFrame);\n          }\n        }\n\n        if (gops.length && currentGop.duration <= 0) {\n          currentGop.duration = gops[gops.length - 1].duration;\n        }\n\n        gops.byteLength += currentGop.byteLength;\n        gops.nalCount += currentGop.nalCount;\n        gops.duration += currentGop.duration; // push the final Gop\n\n        gops.push(currentGop);\n        return gops;\n      };\n      /*\n       * Search for the first keyframe in the GOPs and throw away all frames\n       * until that keyframe. Then extend the duration of the pulled keyframe\n       * and pull the PTS and DTS of the keyframe so that it covers the time\n       * range of the frames that were disposed.\n       *\n       * @param {Array} gops video GOPs\n       * @returns {Array} modified video GOPs\n       */\n\n\n      var extendFirstKeyFrame = function extendFirstKeyFrame(gops) {\n        var currentGop;\n\n        if (!gops[0][0].keyFrame && gops.length > 1) {\n          // Remove the first GOP\n          currentGop = gops.shift();\n          gops.byteLength -= currentGop.byteLength;\n          gops.nalCount -= currentGop.nalCount; // Extend the first frame of what is now the\n          // first gop to cover the time period of the\n          // frames we just removed\n\n          gops[0][0].dts = currentGop.dts;\n          gops[0][0].pts = currentGop.pts;\n          gops[0][0].duration += currentGop.duration;\n        }\n\n        return gops;\n      };\n      /**\n       * Default sample object\n       * see ISO/IEC 14496-12:2012, section 8.6.4.3\n       */\n\n\n      var createDefaultSample = function createDefaultSample() {\n        return {\n          size: 0,\n          flags: {\n            isLeading: 0,\n            dependsOn: 1,\n            isDependedOn: 0,\n            hasRedundancy: 0,\n            degradationPriority: 0,\n            isNonSyncSample: 1\n          }\n        };\n      };\n      /*\n       * Collates information from a video frame into an object for eventual\n       * entry into an MP4 sample table.\n       *\n       * @param {Object} frame the video frame\n       * @param {Number} dataOffset the byte offset to position the sample\n       * @return {Object} object containing sample table info for a frame\n       */\n\n\n      var sampleForFrame = function sampleForFrame(frame, dataOffset) {\n        var sample = createDefaultSample();\n        sample.dataOffset = dataOffset;\n        sample.compositionTimeOffset = frame.pts - frame.dts;\n        sample.duration = frame.duration;\n        sample.size = 4 * frame.length; // Space for nal unit size\n\n        sample.size += frame.byteLength;\n\n        if (frame.keyFrame) {\n          sample.flags.dependsOn = 2;\n          sample.flags.isNonSyncSample = 0;\n        }\n\n        return sample;\n      }; // generate the track's sample table from an array of gops\n\n\n      var generateSampleTable = function generateSampleTable(gops, baseDataOffset) {\n        var h,\n            i,\n            sample,\n            currentGop,\n            currentFrame,\n            dataOffset = baseDataOffset || 0,\n            samples = [];\n\n        for (h = 0; h < gops.length; h++) {\n          currentGop = gops[h];\n\n          for (i = 0; i < currentGop.length; i++) {\n            currentFrame = currentGop[i];\n            sample = sampleForFrame(currentFrame, dataOffset);\n            dataOffset += sample.size;\n            samples.push(sample);\n          }\n        }\n\n        return samples;\n      }; // generate the track's raw mdat data from an array of gops\n\n\n      var concatenateNalData = function concatenateNalData(gops) {\n        var h,\n            i,\n            j,\n            currentGop,\n            currentFrame,\n            currentNal,\n            dataOffset = 0,\n            nalsByteLength = gops.byteLength,\n            numberOfNals = gops.nalCount,\n            totalByteLength = nalsByteLength + 4 * numberOfNals,\n            data = new Uint8Array(totalByteLength),\n            view = new DataView(data.buffer); // For each Gop..\n\n        for (h = 0; h < gops.length; h++) {\n          currentGop = gops[h]; // For each Frame..\n\n          for (i = 0; i < currentGop.length; i++) {\n            currentFrame = currentGop[i]; // For each NAL..\n\n            for (j = 0; j < currentFrame.length; j++) {\n              currentNal = currentFrame[j];\n              view.setUint32(dataOffset, currentNal.data.byteLength);\n              dataOffset += 4;\n              data.set(currentNal.data, dataOffset);\n              dataOffset += currentNal.data.byteLength;\n            }\n          }\n        }\n\n        return data;\n      }; // generate the track's sample table from a frame\n\n\n      var generateSampleTableForFrame = function generateSampleTableForFrame(frame, baseDataOffset) {\n        var sample,\n            dataOffset = baseDataOffset || 0,\n            samples = [];\n        sample = sampleForFrame(frame, dataOffset);\n        samples.push(sample);\n        return samples;\n      }; // generate the track's raw mdat data from a frame\n\n\n      var concatenateNalDataForFrame = function concatenateNalDataForFrame(frame) {\n        var i,\n            currentNal,\n            dataOffset = 0,\n            nalsByteLength = frame.byteLength,\n            numberOfNals = frame.length,\n            totalByteLength = nalsByteLength + 4 * numberOfNals,\n            data = new Uint8Array(totalByteLength),\n            view = new DataView(data.buffer); // For each NAL..\n\n        for (i = 0; i < frame.length; i++) {\n          currentNal = frame[i];\n          view.setUint32(dataOffset, currentNal.data.byteLength);\n          dataOffset += 4;\n          data.set(currentNal.data, dataOffset);\n          dataOffset += currentNal.data.byteLength;\n        }\n\n        return data;\n      };\n\n      var frameUtils = {\n        groupNalsIntoFrames: groupNalsIntoFrames,\n        groupFramesIntoGops: groupFramesIntoGops,\n        extendFirstKeyFrame: extendFirstKeyFrame,\n        generateSampleTable: generateSampleTable,\n        concatenateNalData: concatenateNalData,\n        generateSampleTableForFrame: generateSampleTableForFrame,\n        concatenateNalDataForFrame: concatenateNalDataForFrame\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var highPrefix = [33, 16, 5, 32, 164, 27];\n      var lowPrefix = [33, 65, 108, 84, 1, 2, 4, 8, 168, 2, 4, 8, 17, 191, 252];\n\n      var zeroFill = function zeroFill(count) {\n        var a = [];\n\n        while (count--) {\n          a.push(0);\n        }\n\n        return a;\n      };\n\n      var makeTable = function makeTable(metaTable) {\n        return Object.keys(metaTable).reduce(function (obj, key) {\n          obj[key] = new Uint8Array(metaTable[key].reduce(function (arr, part) {\n            return arr.concat(part);\n          }, []));\n          return obj;\n        }, {});\n      }; // Frames-of-silence to use for filling in missing AAC frames\n\n\n      var coneOfSilence = {\n        96000: [highPrefix, [227, 64], zeroFill(154), [56]],\n        88200: [highPrefix, [231], zeroFill(170), [56]],\n        64000: [highPrefix, [248, 192], zeroFill(240), [56]],\n        48000: [highPrefix, [255, 192], zeroFill(268), [55, 148, 128], zeroFill(54), [112]],\n        44100: [highPrefix, [255, 192], zeroFill(268), [55, 163, 128], zeroFill(84), [112]],\n        32000: [highPrefix, [255, 192], zeroFill(268), [55, 234], zeroFill(226), [112]],\n        24000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 112], zeroFill(126), [224]],\n        16000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 255], zeroFill(269), [223, 108], zeroFill(195), [1, 192]],\n        12000: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 253, 128], zeroFill(259), [56]],\n        11025: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 255, 192], zeroFill(268), [55, 175, 128], zeroFill(108), [112]],\n        8000: [lowPrefix, zeroFill(268), [3, 121, 16], zeroFill(47), [7]]\n      };\n      var silence = makeTable(coneOfSilence);\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ONE_SECOND_IN_TS = 90000,\n          // 90kHz clock\n      secondsToVideoTs,\n          secondsToAudioTs,\n          videoTsToSeconds,\n          audioTsToSeconds,\n          audioTsToVideoTs,\n          videoTsToAudioTs,\n          metadataTsToSeconds;\n\n      secondsToVideoTs = function secondsToVideoTs(seconds) {\n        return seconds * ONE_SECOND_IN_TS;\n      };\n\n      secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {\n        return seconds * sampleRate;\n      };\n\n      videoTsToSeconds = function videoTsToSeconds(timestamp) {\n        return timestamp / ONE_SECOND_IN_TS;\n      };\n\n      audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {\n        return timestamp / sampleRate;\n      };\n\n      audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {\n        return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));\n      };\n\n      videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {\n        return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);\n      };\n      /**\n       * Adjust ID3 tag or caption timing information by the timeline pts values\n       * (if keepOriginalTimestamps is false) and convert to seconds\n       */\n\n\n      metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {\n        return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);\n      };\n\n      var clock = {\n        ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,\n        secondsToVideoTs: secondsToVideoTs,\n        secondsToAudioTs: secondsToAudioTs,\n        videoTsToSeconds: videoTsToSeconds,\n        audioTsToSeconds: audioTsToSeconds,\n        audioTsToVideoTs: audioTsToVideoTs,\n        videoTsToAudioTs: videoTsToAudioTs,\n        metadataTsToSeconds: metadataTsToSeconds\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      /**\n       * Sum the `byteLength` properties of the data in each AAC frame\n       */\n\n      var sumFrameByteLengths = function sumFrameByteLengths(array) {\n        var i,\n            currentObj,\n            sum = 0; // sum the byteLength's all each nal unit in the frame\n\n        for (i = 0; i < array.length; i++) {\n          currentObj = array[i];\n          sum += currentObj.data.byteLength;\n        }\n\n        return sum;\n      }; // Possibly pad (prefix) the audio track with silence if appending this track\n      // would lead to the introduction of a gap in the audio buffer\n\n\n      var prefixWithSilence = function prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime) {\n        var baseMediaDecodeTimeTs,\n            frameDuration = 0,\n            audioGapDuration = 0,\n            audioFillFrameCount = 0,\n            audioFillDuration = 0,\n            silentFrame,\n            i,\n            firstFrame;\n\n        if (!frames.length) {\n          return;\n        }\n\n        baseMediaDecodeTimeTs = clock.audioTsToVideoTs(track.baseMediaDecodeTime, track.samplerate); // determine frame clock duration based on sample rate, round up to avoid overfills\n\n        frameDuration = Math.ceil(clock.ONE_SECOND_IN_TS / (track.samplerate / 1024));\n\n        if (audioAppendStartTs && videoBaseMediaDecodeTime) {\n          // insert the shortest possible amount (audio gap or audio to video gap)\n          audioGapDuration = baseMediaDecodeTimeTs - Math.max(audioAppendStartTs, videoBaseMediaDecodeTime); // number of full frames in the audio gap\n\n          audioFillFrameCount = Math.floor(audioGapDuration / frameDuration);\n          audioFillDuration = audioFillFrameCount * frameDuration;\n        } // don't attempt to fill gaps smaller than a single frame or larger\n        // than a half second\n\n\n        if (audioFillFrameCount < 1 || audioFillDuration > clock.ONE_SECOND_IN_TS / 2) {\n          return;\n        }\n\n        silentFrame = silence[track.samplerate];\n\n        if (!silentFrame) {\n          // we don't have a silent frame pregenerated for the sample rate, so use a frame\n          // from the content instead\n          silentFrame = frames[0].data;\n        }\n\n        for (i = 0; i < audioFillFrameCount; i++) {\n          firstFrame = frames[0];\n          frames.splice(0, 0, {\n            data: silentFrame,\n            dts: firstFrame.dts - frameDuration,\n            pts: firstFrame.pts - frameDuration\n          });\n        }\n\n        track.baseMediaDecodeTime -= Math.floor(clock.videoTsToAudioTs(audioFillDuration, track.samplerate));\n      }; // If the audio segment extends before the earliest allowed dts\n      // value, remove AAC frames until starts at or after the earliest\n      // allowed DTS so that we don't end up with a negative baseMedia-\n      // DecodeTime for the audio track\n\n\n      var trimAdtsFramesByEarliestDts = function trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts) {\n        if (track.minSegmentDts >= earliestAllowedDts) {\n          return adtsFrames;\n        } // We will need to recalculate the earliest segment Dts\n\n\n        track.minSegmentDts = Infinity;\n        return adtsFrames.filter(function (currentFrame) {\n          // If this is an allowed frame, keep it and record it's Dts\n          if (currentFrame.dts >= earliestAllowedDts) {\n            track.minSegmentDts = Math.min(track.minSegmentDts, currentFrame.dts);\n            track.minSegmentPts = track.minSegmentDts;\n            return true;\n          } // Otherwise, discard it\n\n\n          return false;\n        });\n      }; // generate the track's raw mdat data from an array of frames\n\n\n      var generateSampleTable$1 = function generateSampleTable(frames) {\n        var i,\n            currentFrame,\n            samples = [];\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n          samples.push({\n            size: currentFrame.data.byteLength,\n            duration: 1024 // For AAC audio, all samples contain 1024 samples\n\n          });\n        }\n\n        return samples;\n      }; // generate the track's sample table from an array of frames\n\n\n      var concatenateFrameData = function concatenateFrameData(frames) {\n        var i,\n            currentFrame,\n            dataOffset = 0,\n            data = new Uint8Array(sumFrameByteLengths(frames));\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n          data.set(currentFrame.data, dataOffset);\n          dataOffset += currentFrame.data.byteLength;\n        }\n\n        return data;\n      };\n\n      var audioFrameUtils = {\n        prefixWithSilence: prefixWithSilence,\n        trimAdtsFramesByEarliestDts: trimAdtsFramesByEarliestDts,\n        generateSampleTable: generateSampleTable$1,\n        concatenateFrameData: concatenateFrameData\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;\n      /**\n       * Store information about the start and end of the track and the\n       * duration for each frame/sample we process in order to calculate\n       * the baseMediaDecodeTime\n       */\n\n      var collectDtsInfo = function collectDtsInfo(track, data) {\n        if (typeof data.pts === 'number') {\n          if (track.timelineStartInfo.pts === undefined) {\n            track.timelineStartInfo.pts = data.pts;\n          }\n\n          if (track.minSegmentPts === undefined) {\n            track.minSegmentPts = data.pts;\n          } else {\n            track.minSegmentPts = Math.min(track.minSegmentPts, data.pts);\n          }\n\n          if (track.maxSegmentPts === undefined) {\n            track.maxSegmentPts = data.pts;\n          } else {\n            track.maxSegmentPts = Math.max(track.maxSegmentPts, data.pts);\n          }\n        }\n\n        if (typeof data.dts === 'number') {\n          if (track.timelineStartInfo.dts === undefined) {\n            track.timelineStartInfo.dts = data.dts;\n          }\n\n          if (track.minSegmentDts === undefined) {\n            track.minSegmentDts = data.dts;\n          } else {\n            track.minSegmentDts = Math.min(track.minSegmentDts, data.dts);\n          }\n\n          if (track.maxSegmentDts === undefined) {\n            track.maxSegmentDts = data.dts;\n          } else {\n            track.maxSegmentDts = Math.max(track.maxSegmentDts, data.dts);\n          }\n        }\n      };\n      /**\n       * Clear values used to calculate the baseMediaDecodeTime between\n       * tracks\n       */\n\n\n      var clearDtsInfo = function clearDtsInfo(track) {\n        delete track.minSegmentDts;\n        delete track.maxSegmentDts;\n        delete track.minSegmentPts;\n        delete track.maxSegmentPts;\n      };\n      /**\n       * Calculate the track's baseMediaDecodeTime based on the earliest\n       * DTS the transmuxer has ever seen and the minimum DTS for the\n       * current track\n       * @param track {object} track metadata configuration\n       * @param keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n\n      var calculateTrackBaseMediaDecodeTime = function calculateTrackBaseMediaDecodeTime(track, keepOriginalTimestamps) {\n        var baseMediaDecodeTime,\n            scale,\n            minSegmentDts = track.minSegmentDts; // Optionally adjust the time so the first segment starts at zero.\n\n        if (!keepOriginalTimestamps) {\n          minSegmentDts -= track.timelineStartInfo.dts;\n        } // track.timelineStartInfo.baseMediaDecodeTime is the location, in time, where\n        // we want the start of the first segment to be placed\n\n\n        baseMediaDecodeTime = track.timelineStartInfo.baseMediaDecodeTime; // Add to that the distance this segment is from the very first\n\n        baseMediaDecodeTime += minSegmentDts; // baseMediaDecodeTime must not become negative\n\n        baseMediaDecodeTime = Math.max(0, baseMediaDecodeTime);\n\n        if (track.type === 'audio') {\n          // Audio has a different clock equal to the sampling_rate so we need to\n          // scale the PTS values into the clock rate of the track\n          scale = track.samplerate / ONE_SECOND_IN_TS$1;\n          baseMediaDecodeTime *= scale;\n          baseMediaDecodeTime = Math.floor(baseMediaDecodeTime);\n        }\n\n        return baseMediaDecodeTime;\n      };\n\n      var trackDecodeInfo = {\n        clearDtsInfo: clearDtsInfo,\n        calculateTrackBaseMediaDecodeTime: calculateTrackBaseMediaDecodeTime,\n        collectDtsInfo: collectDtsInfo\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Reads in-band caption information from a video elementary\n       * stream. Captions must follow the CEA-708 standard for injection\n       * into an MPEG-2 transport streams.\n       * @see https://en.wikipedia.org/wiki/CEA-708\n       * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf\n       */\n      // Supplemental enhancement information (SEI) NAL units have a\n      // payload type field to indicate how they are to be\n      // interpreted. CEAS-708 caption content is always transmitted with\n      // payload type 0x04.\n\n      var USER_DATA_REGISTERED_ITU_T_T35 = 4,\n          RBSP_TRAILING_BITS = 128;\n      /**\n        * Parse a supplemental enhancement information (SEI) NAL unit.\n        * Stops parsing once a message of type ITU T T35 has been found.\n        *\n        * @param bytes {Uint8Array} the bytes of a SEI NAL unit\n        * @return {object} the parsed SEI payload\n        * @see Rec. ITU-T H.264, 7.3.2.3.1\n        */\n\n      var parseSei = function parseSei(bytes) {\n        var i = 0,\n            result = {\n          payloadType: -1,\n          payloadSize: 0\n        },\n            payloadType = 0,\n            payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message\n\n        while (i < bytes.byteLength) {\n          // stop once we have hit the end of the sei_rbsp\n          if (bytes[i] === RBSP_TRAILING_BITS) {\n            break;\n          } // Parse payload type\n\n\n          while (bytes[i] === 0xFF) {\n            payloadType += 255;\n            i++;\n          }\n\n          payloadType += bytes[i++]; // Parse payload size\n\n          while (bytes[i] === 0xFF) {\n            payloadSize += 255;\n            i++;\n          }\n\n          payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break\n          // there can only ever be one caption message in a frame's sei\n\n          if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {\n            result.payloadType = payloadType;\n            result.payloadSize = payloadSize;\n            result.payload = bytes.subarray(i, i + payloadSize);\n            break;\n          } // skip the payload and parse the next message\n\n\n          i += payloadSize;\n          payloadType = 0;\n          payloadSize = 0;\n        }\n\n        return result;\n      }; // see ANSI/SCTE 128-1 (2013), section 8.1\n\n\n      var parseUserData = function parseUserData(sei) {\n        // itu_t_t35_contry_code must be 181 (United States) for\n        // captions\n        if (sei.payload[0] !== 181) {\n          return null;\n        } // itu_t_t35_provider_code should be 49 (ATSC) for captions\n\n\n        if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {\n          return null;\n        } // the user_identifier should be \"GA94\" to indicate ATSC1 data\n\n\n        if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {\n          return null;\n        } // finally, user_data_type_code should be 0x03 for caption data\n\n\n        if (sei.payload[7] !== 0x03) {\n          return null;\n        } // return the user_data_type_structure and strip the trailing\n        // marker bits\n\n\n        return sei.payload.subarray(8, sei.payload.length - 1);\n      }; // see CEA-708-D, section 4.4\n\n\n      var parseCaptionPackets = function parseCaptionPackets(pts, userData) {\n        var results = [],\n            i,\n            count,\n            offset,\n            data; // if this is just filler, return immediately\n\n        if (!(userData[0] & 0x40)) {\n          return results;\n        } // parse out the cc_data_1 and cc_data_2 fields\n\n\n        count = userData[0] & 0x1f;\n\n        for (i = 0; i < count; i++) {\n          offset = i * 3;\n          data = {\n            type: userData[offset + 2] & 0x03,\n            pts: pts\n          }; // capture cc data when cc_valid is 1\n\n          if (userData[offset + 2] & 0x04) {\n            data.ccData = userData[offset + 3] << 8 | userData[offset + 4];\n            results.push(data);\n          }\n        }\n\n        return results;\n      };\n\n      var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n        var length = data.byteLength,\n            emulationPreventionBytesPositions = [],\n            i = 1,\n            newLength,\n            newData; // Find all `Emulation Prevention Bytes`\n\n        while (i < length - 2) {\n          if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n            emulationPreventionBytesPositions.push(i + 2);\n            i += 2;\n          } else {\n            i++;\n          }\n        } // If no Emulation Prevention Bytes were found just return the original\n        // array\n\n\n        if (emulationPreventionBytesPositions.length === 0) {\n          return data;\n        } // Create a new array to hold the NAL unit data\n\n\n        newLength = length - emulationPreventionBytesPositions.length;\n        newData = new Uint8Array(newLength);\n        var sourceIndex = 0;\n\n        for (i = 0; i < newLength; sourceIndex++, i++) {\n          if (sourceIndex === emulationPreventionBytesPositions[0]) {\n            // Skip this byte\n            sourceIndex++; // Remove this position index\n\n            emulationPreventionBytesPositions.shift();\n          }\n\n          newData[i] = data[sourceIndex];\n        }\n\n        return newData;\n      }; // exports\n\n\n      var captionPacketParser = {\n        parseSei: parseSei,\n        parseUserData: parseUserData,\n        parseCaptionPackets: parseCaptionPackets,\n        discardEmulationPreventionBytes: discardEmulationPreventionBytes,\n        USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35\n      }; // -----------------\n      // Link To Transport\n      // -----------------\n\n      var CaptionStream = function CaptionStream() {\n        CaptionStream.prototype.init.call(this);\n        this.captionPackets_ = [];\n        this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define\n        new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define\n        new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define\n        new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define\n        ];\n        this.reset(); // forward data and done events from CCs to this CaptionStream\n\n        this.ccStreams_.forEach(function (cc) {\n          cc.on('data', this.trigger.bind(this, 'data'));\n          cc.on('partialdone', this.trigger.bind(this, 'partialdone'));\n          cc.on('done', this.trigger.bind(this, 'done'));\n        }, this);\n      };\n\n      CaptionStream.prototype = new stream();\n\n      CaptionStream.prototype.push = function (event) {\n        var sei, userData, newCaptionPackets; // only examine SEI NALs\n\n        if (event.nalUnitType !== 'sei_rbsp') {\n          return;\n        } // parse the sei\n\n\n        sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35\n\n        if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {\n          return;\n        } // parse out the user data payload\n\n\n        userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData\n\n        if (!userData) {\n          return;\n        } // Sometimes, the same segment # will be downloaded twice. To stop the\n        // caption data from being processed twice, we track the latest dts we've\n        // received and ignore everything with a dts before that. However, since\n        // data for a specific dts can be split across packets on either side of\n        // a segment boundary, we need to make sure we *don't* ignore the packets\n        // from the *next* segment that have dts === this.latestDts_. By constantly\n        // tracking the number of packets received with dts === this.latestDts_, we\n        // know how many should be ignored once we start receiving duplicates.\n\n\n        if (event.dts < this.latestDts_) {\n          // We've started getting older data, so set the flag.\n          this.ignoreNextEqualDts_ = true;\n          return;\n        } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {\n          this.numSameDts_--;\n\n          if (!this.numSameDts_) {\n            // We've received the last duplicate packet, time to start processing again\n            this.ignoreNextEqualDts_ = false;\n          }\n\n          return;\n        } // parse out CC data packets and save them for later\n\n\n        newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);\n        this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);\n\n        if (this.latestDts_ !== event.dts) {\n          this.numSameDts_ = 0;\n        }\n\n        this.numSameDts_++;\n        this.latestDts_ = event.dts;\n      };\n\n      CaptionStream.prototype.flushCCStreams = function (flushType) {\n        this.ccStreams_.forEach(function (cc) {\n          return flushType === 'flush' ? cc.flush() : cc.partialFlush();\n        }, this);\n      };\n\n      CaptionStream.prototype.flushStream = function (flushType) {\n        // make sure we actually parsed captions before proceeding\n        if (!this.captionPackets_.length) {\n          this.flushCCStreams(flushType);\n          return;\n        } // In Chrome, the Array#sort function is not stable so add a\n        // presortIndex that we can use to ensure we get a stable-sort\n\n\n        this.captionPackets_.forEach(function (elem, idx) {\n          elem.presortIndex = idx;\n        }); // sort caption byte-pairs based on their PTS values\n\n        this.captionPackets_.sort(function (a, b) {\n          if (a.pts === b.pts) {\n            return a.presortIndex - b.presortIndex;\n          }\n\n          return a.pts - b.pts;\n        });\n        this.captionPackets_.forEach(function (packet) {\n          if (packet.type < 2) {\n            // Dispatch packet to the right Cea608Stream\n            this.dispatchCea608Packet(packet);\n          } // this is where an 'else' would go for a dispatching packets\n          // to a theoretical Cea708Stream that handles SERVICEn data\n\n        }, this);\n        this.captionPackets_.length = 0;\n        this.flushCCStreams(flushType);\n      };\n\n      CaptionStream.prototype.flush = function () {\n        return this.flushStream('flush');\n      }; // Only called if handling partial data\n\n\n      CaptionStream.prototype.partialFlush = function () {\n        return this.flushStream('partialFlush');\n      };\n\n      CaptionStream.prototype.reset = function () {\n        this.latestDts_ = null;\n        this.ignoreNextEqualDts_ = false;\n        this.numSameDts_ = 0;\n        this.activeCea608Channel_ = [null, null];\n        this.ccStreams_.forEach(function (ccStream) {\n          ccStream.reset();\n        });\n      }; // From the CEA-608 spec:\n\n      /*\n       * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed\n       * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is\n       * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair\n       * and subsequent data should then be processed according to the FCC rules. It may be necessary for the\n       * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)\n       * to switch to captioning or Text.\n      */\n      // With that in mind, we ignore any data between an XDS control code and a\n      // subsequent closed-captioning control code.\n\n\n      CaptionStream.prototype.dispatchCea608Packet = function (packet) {\n        // NOTE: packet.type is the CEA608 field\n        if (this.setsTextOrXDSActive(packet)) {\n          this.activeCea608Channel_[packet.type] = null;\n        } else if (this.setsChannel1Active(packet)) {\n          this.activeCea608Channel_[packet.type] = 0;\n        } else if (this.setsChannel2Active(packet)) {\n          this.activeCea608Channel_[packet.type] = 1;\n        }\n\n        if (this.activeCea608Channel_[packet.type] === null) {\n          // If we haven't received anything to set the active channel, or the\n          // packets are Text/XDS data, discard the data; we don't want jumbled\n          // captions\n          return;\n        }\n\n        this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);\n      };\n\n      CaptionStream.prototype.setsChannel1Active = function (packet) {\n        return (packet.ccData & 0x7800) === 0x1000;\n      };\n\n      CaptionStream.prototype.setsChannel2Active = function (packet) {\n        return (packet.ccData & 0x7800) === 0x1800;\n      };\n\n      CaptionStream.prototype.setsTextOrXDSActive = function (packet) {\n        return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;\n      }; // ----------------------\n      // Session to Application\n      // ----------------------\n      // This hash maps non-ASCII, special, and extended character codes to their\n      // proper Unicode equivalent. The first keys that are only a single byte\n      // are the non-standard ASCII characters, which simply map the CEA608 byte\n      // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608\n      // character codes, but have their MSB bitmasked with 0x03 so that a lookup\n      // can be performed regardless of the field and data channel on which the\n      // character code was received.\n\n\n      var CHARACTER_TRANSLATION = {\n        0x2a: 0xe1,\n        // á\n        0x5c: 0xe9,\n        // é\n        0x5e: 0xed,\n        // í\n        0x5f: 0xf3,\n        // ó\n        0x60: 0xfa,\n        // ú\n        0x7b: 0xe7,\n        // ç\n        0x7c: 0xf7,\n        // ÷\n        0x7d: 0xd1,\n        // Ñ\n        0x7e: 0xf1,\n        // ñ\n        0x7f: 0x2588,\n        // █\n        0x0130: 0xae,\n        // ®\n        0x0131: 0xb0,\n        // °\n        0x0132: 0xbd,\n        // ½\n        0x0133: 0xbf,\n        // ¿\n        0x0134: 0x2122,\n        // ™\n        0x0135: 0xa2,\n        // ¢\n        0x0136: 0xa3,\n        // £\n        0x0137: 0x266a,\n        // ♪\n        0x0138: 0xe0,\n        // à\n        0x0139: 0xa0,\n        //\n        0x013a: 0xe8,\n        // è\n        0x013b: 0xe2,\n        // â\n        0x013c: 0xea,\n        // ê\n        0x013d: 0xee,\n        // î\n        0x013e: 0xf4,\n        // ô\n        0x013f: 0xfb,\n        // û\n        0x0220: 0xc1,\n        // Á\n        0x0221: 0xc9,\n        // É\n        0x0222: 0xd3,\n        // Ó\n        0x0223: 0xda,\n        // Ú\n        0x0224: 0xdc,\n        // Ü\n        0x0225: 0xfc,\n        // ü\n        0x0226: 0x2018,\n        // ‘\n        0x0227: 0xa1,\n        // ¡\n        0x0228: 0x2a,\n        // *\n        0x0229: 0x27,\n        // '\n        0x022a: 0x2014,\n        // —\n        0x022b: 0xa9,\n        // ©\n        0x022c: 0x2120,\n        // ℠\n        0x022d: 0x2022,\n        // •\n        0x022e: 0x201c,\n        // “\n        0x022f: 0x201d,\n        // ”\n        0x0230: 0xc0,\n        // À\n        0x0231: 0xc2,\n        // Â\n        0x0232: 0xc7,\n        // Ç\n        0x0233: 0xc8,\n        // È\n        0x0234: 0xca,\n        // Ê\n        0x0235: 0xcb,\n        // Ë\n        0x0236: 0xeb,\n        // ë\n        0x0237: 0xce,\n        // Î\n        0x0238: 0xcf,\n        // Ï\n        0x0239: 0xef,\n        // ï\n        0x023a: 0xd4,\n        // Ô\n        0x023b: 0xd9,\n        // Ù\n        0x023c: 0xf9,\n        // ù\n        0x023d: 0xdb,\n        // Û\n        0x023e: 0xab,\n        // «\n        0x023f: 0xbb,\n        // »\n        0x0320: 0xc3,\n        // Ã\n        0x0321: 0xe3,\n        // ã\n        0x0322: 0xcd,\n        // Í\n        0x0323: 0xcc,\n        // Ì\n        0x0324: 0xec,\n        // ì\n        0x0325: 0xd2,\n        // Ò\n        0x0326: 0xf2,\n        // ò\n        0x0327: 0xd5,\n        // Õ\n        0x0328: 0xf5,\n        // õ\n        0x0329: 0x7b,\n        // {\n        0x032a: 0x7d,\n        // }\n        0x032b: 0x5c,\n        // \\\n        0x032c: 0x5e,\n        // ^\n        0x032d: 0x5f,\n        // _\n        0x032e: 0x7c,\n        // |\n        0x032f: 0x7e,\n        // ~\n        0x0330: 0xc4,\n        // Ä\n        0x0331: 0xe4,\n        // ä\n        0x0332: 0xd6,\n        // Ö\n        0x0333: 0xf6,\n        // ö\n        0x0334: 0xdf,\n        // ß\n        0x0335: 0xa5,\n        // ¥\n        0x0336: 0xa4,\n        // ¤\n        0x0337: 0x2502,\n        // │\n        0x0338: 0xc5,\n        // Å\n        0x0339: 0xe5,\n        // å\n        0x033a: 0xd8,\n        // Ø\n        0x033b: 0xf8,\n        // ø\n        0x033c: 0x250c,\n        // ┌\n        0x033d: 0x2510,\n        // ┐\n        0x033e: 0x2514,\n        // └\n        0x033f: 0x2518 // ┘\n\n      };\n\n      var getCharFromCode = function getCharFromCode(code) {\n        if (code === null) {\n          return '';\n        }\n\n        code = CHARACTER_TRANSLATION[code] || code;\n        return String.fromCharCode(code);\n      }; // the index of the last row in a CEA-608 display buffer\n\n\n      var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of\n      // getting it through bit logic.\n\n      var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character\n      // cells. The \"bottom\" row is the last element in the outer array.\n\n      var createDisplayBuffer = function createDisplayBuffer() {\n        var result = [],\n            i = BOTTOM_ROW + 1;\n\n        while (i--) {\n          result.push('');\n        }\n\n        return result;\n      };\n\n      var Cea608Stream = function Cea608Stream(field, dataChannel) {\n        Cea608Stream.prototype.init.call(this);\n        this.field_ = field || 0;\n        this.dataChannel_ = dataChannel || 0;\n        this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);\n        this.setConstants();\n        this.reset();\n\n        this.push = function (packet) {\n          var data, swap, char0, char1, text; // remove the parity bits\n\n          data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice\n\n          if (data === this.lastControlCode_) {\n            this.lastControlCode_ = null;\n            return;\n          } // Store control codes\n\n\n          if ((data & 0xf000) === 0x1000) {\n            this.lastControlCode_ = data;\n          } else if (data !== this.PADDING_) {\n            this.lastControlCode_ = null;\n          }\n\n          char0 = data >>> 8;\n          char1 = data & 0xff;\n\n          if (data === this.PADDING_) {\n            return;\n          } else if (data === this.RESUME_CAPTION_LOADING_) {\n            this.mode_ = 'popOn';\n          } else if (data === this.END_OF_CAPTION_) {\n            // If an EOC is received while in paint-on mode, the displayed caption\n            // text should be swapped to non-displayed memory as if it was a pop-on\n            // caption. Because of that, we should explicitly switch back to pop-on\n            // mode\n            this.mode_ = 'popOn';\n            this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now\n\n            this.flushDisplayed(packet.pts); // flip memory\n\n            swap = this.displayed_;\n            this.displayed_ = this.nonDisplayed_;\n            this.nonDisplayed_ = swap; // start measuring the time to display the caption\n\n            this.startPts_ = packet.pts;\n          } else if (data === this.ROLL_UP_2_ROWS_) {\n            this.rollUpRows_ = 2;\n            this.setRollUp(packet.pts);\n          } else if (data === this.ROLL_UP_3_ROWS_) {\n            this.rollUpRows_ = 3;\n            this.setRollUp(packet.pts);\n          } else if (data === this.ROLL_UP_4_ROWS_) {\n            this.rollUpRows_ = 4;\n            this.setRollUp(packet.pts);\n          } else if (data === this.CARRIAGE_RETURN_) {\n            this.clearFormatting(packet.pts);\n            this.flushDisplayed(packet.pts);\n            this.shiftRowsUp_();\n            this.startPts_ = packet.pts;\n          } else if (data === this.BACKSPACE_) {\n            if (this.mode_ === 'popOn') {\n              this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n            } else {\n              this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n            }\n          } else if (data === this.ERASE_DISPLAYED_MEMORY_) {\n            this.flushDisplayed(packet.pts);\n            this.displayed_ = createDisplayBuffer();\n          } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {\n            this.nonDisplayed_ = createDisplayBuffer();\n          } else if (data === this.RESUME_DIRECT_CAPTIONING_) {\n            if (this.mode_ !== 'paintOn') {\n              // NOTE: This should be removed when proper caption positioning is\n              // implemented\n              this.flushDisplayed(packet.pts);\n              this.displayed_ = createDisplayBuffer();\n            }\n\n            this.mode_ = 'paintOn';\n            this.startPts_ = packet.pts; // Append special characters to caption text\n          } else if (this.isSpecialCharacter(char0, char1)) {\n            // Bitmask char0 so that we can apply character transformations\n            // regardless of field and data channel.\n            // Then byte-shift to the left and OR with char1 so we can pass the\n            // entire character code to `getCharFromCode`.\n            char0 = (char0 & 0x03) << 8;\n            text = getCharFromCode(char0 | char1);\n            this[this.mode_](packet.pts, text);\n            this.column_++; // Append extended characters to caption text\n          } else if (this.isExtCharacter(char0, char1)) {\n            // Extended characters always follow their \"non-extended\" equivalents.\n            // IE if a \"è\" is desired, you'll always receive \"eè\"; non-compliant\n            // decoders are supposed to drop the \"è\", while compliant decoders\n            // backspace the \"e\" and insert \"è\".\n            // Delete the previous character\n            if (this.mode_ === 'popOn') {\n              this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n            } else {\n              this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n            } // Bitmask char0 so that we can apply character transformations\n            // regardless of field and data channel.\n            // Then byte-shift to the left and OR with char1 so we can pass the\n            // entire character code to `getCharFromCode`.\n\n\n            char0 = (char0 & 0x03) << 8;\n            text = getCharFromCode(char0 | char1);\n            this[this.mode_](packet.pts, text);\n            this.column_++; // Process mid-row codes\n          } else if (this.isMidRowCode(char0, char1)) {\n            // Attributes are not additive, so clear all formatting\n            this.clearFormatting(packet.pts); // According to the standard, mid-row codes\n            // should be replaced with spaces, so add one now\n\n            this[this.mode_](packet.pts, ' ');\n            this.column_++;\n\n            if ((char1 & 0xe) === 0xe) {\n              this.addFormatting(packet.pts, ['i']);\n            }\n\n            if ((char1 & 0x1) === 0x1) {\n              this.addFormatting(packet.pts, ['u']);\n            } // Detect offset control codes and adjust cursor\n\n          } else if (this.isOffsetControlCode(char0, char1)) {\n            // Cursor position is set by indent PAC (see below) in 4-column\n            // increments, with an additional offset code of 1-3 to reach any\n            // of the 32 columns specified by CEA-608. So all we need to do\n            // here is increment the column cursor by the given offset.\n            this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)\n          } else if (this.isPAC(char0, char1)) {\n            // There's no logic for PAC -> row mapping, so we have to just\n            // find the row code in an array and use its index :(\n            var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode\n\n            if (this.mode_ === 'rollUp') {\n              // This implies that the base row is incorrectly set.\n              // As per the recommendation in CEA-608(Base Row Implementation), defer to the number\n              // of roll-up rows set.\n              if (row - this.rollUpRows_ + 1 < 0) {\n                row = this.rollUpRows_ - 1;\n              }\n\n              this.setRollUp(packet.pts, row);\n            }\n\n            if (row !== this.row_) {\n              // formatting is only persistent for current row\n              this.clearFormatting(packet.pts);\n              this.row_ = row;\n            } // All PACs can apply underline, so detect and apply\n            // (All odd-numbered second bytes set underline)\n\n\n            if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {\n              this.addFormatting(packet.pts, ['u']);\n            }\n\n            if ((data & 0x10) === 0x10) {\n              // We've got an indent level code. Each successive even number\n              // increments the column cursor by 4, so we can get the desired\n              // column position by bit-shifting to the right (to get n/2)\n              // and multiplying by 4.\n              this.column_ = ((data & 0xe) >> 1) * 4;\n            }\n\n            if (this.isColorPAC(char1)) {\n              // it's a color code, though we only support white, which\n              // can be either normal or italicized. white italics can be\n              // either 0x4e or 0x6e depending on the row, so we just\n              // bitwise-and with 0xe to see if italics should be turned on\n              if ((char1 & 0xe) === 0xe) {\n                this.addFormatting(packet.pts, ['i']);\n              }\n            } // We have a normal character in char0, and possibly one in char1\n\n          } else if (this.isNormalChar(char0)) {\n            if (char1 === 0x00) {\n              char1 = null;\n            }\n\n            text = getCharFromCode(char0);\n            text += getCharFromCode(char1);\n            this[this.mode_](packet.pts, text);\n            this.column_ += text.length;\n          } // finish data processing\n\n        };\n      };\n\n      Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the\n      // display buffer\n\n      Cea608Stream.prototype.flushDisplayed = function (pts) {\n        var content = this.displayed_ // remove spaces from the start and end of the string\n        .map(function (row) {\n          try {\n            return row.trim();\n          } catch (e) {\n            // Ordinarily, this shouldn't happen. However, caption\n            // parsing errors should not throw exceptions and\n            // break playback.\n            // eslint-disable-next-line no-console\n            console.error('Skipping malformed caption.');\n            return '';\n          }\n        }) // combine all text rows to display in one cue\n        .join('\\n') // and remove blank rows from the start and end, but not the middle\n        .replace(/^\\n+|\\n+$/g, '');\n\n        if (content.length) {\n          this.trigger('data', {\n            startPts: this.startPts_,\n            endPts: pts,\n            text: content,\n            stream: this.name_\n          });\n        }\n      };\n      /**\n       * Zero out the data, used for startup and on seek\n       */\n\n\n      Cea608Stream.prototype.reset = function () {\n        this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will\n        // actually display captions. If a caption is shifted to a row\n        // with a lower index than this, it is cleared from the display\n        // buffer\n\n        this.topRow_ = 0;\n        this.startPts_ = 0;\n        this.displayed_ = createDisplayBuffer();\n        this.nonDisplayed_ = createDisplayBuffer();\n        this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing\n\n        this.column_ = 0;\n        this.row_ = BOTTOM_ROW;\n        this.rollUpRows_ = 2; // This variable holds currently-applied formatting\n\n        this.formatting_ = [];\n      };\n      /**\n       * Sets up control code and related constants for this instance\n       */\n\n\n      Cea608Stream.prototype.setConstants = function () {\n        // The following attributes have these uses:\n        // ext_ :    char0 for mid-row codes, and the base for extended\n        //           chars (ext_+0, ext_+1, and ext_+2 are char0s for\n        //           extended codes)\n        // control_: char0 for control codes, except byte-shifted to the\n        //           left so that we can do this.control_ | CONTROL_CODE\n        // offset_:  char0 for tab offset codes\n        //\n        // It's also worth noting that control codes, and _only_ control codes,\n        // differ between field 1 and field2. Field 2 control codes are always\n        // their field 1 value plus 1. That's why there's the \"| field\" on the\n        // control value.\n        if (this.dataChannel_ === 0) {\n          this.BASE_ = 0x10;\n          this.EXT_ = 0x11;\n          this.CONTROL_ = (0x14 | this.field_) << 8;\n          this.OFFSET_ = 0x17;\n        } else if (this.dataChannel_ === 1) {\n          this.BASE_ = 0x18;\n          this.EXT_ = 0x19;\n          this.CONTROL_ = (0x1c | this.field_) << 8;\n          this.OFFSET_ = 0x1f;\n        } // Constants for the LSByte command codes recognized by Cea608Stream. This\n        // list is not exhaustive. For a more comprehensive listing and semantics see\n        // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf\n        // Padding\n\n\n        this.PADDING_ = 0x0000; // Pop-on Mode\n\n        this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;\n        this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode\n\n        this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;\n        this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;\n        this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;\n        this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode\n\n        this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure\n\n        this.BACKSPACE_ = this.CONTROL_ | 0x21;\n        this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;\n        this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;\n      };\n      /**\n       * Detects if the 2-byte packet data is a special character\n       *\n       * Special characters have a second byte in the range 0x30 to 0x3f,\n       * with the first byte being 0x11 (for data channel 1) or 0x19 (for\n       * data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an special character\n       */\n\n\n      Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {\n        return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;\n      };\n      /**\n       * Detects if the 2-byte packet data is an extended character\n       *\n       * Extended characters have a second byte in the range 0x20 to 0x3f,\n       * with the first byte being 0x12 or 0x13 (for data channel 1) or\n       * 0x1a or 0x1b (for data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an extended character\n       */\n\n\n      Cea608Stream.prototype.isExtCharacter = function (char0, char1) {\n        return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;\n      };\n      /**\n       * Detects if the 2-byte packet is a mid-row code\n       *\n       * Mid-row codes have a second byte in the range 0x20 to 0x2f, with\n       * the first byte being 0x11 (for data channel 1) or 0x19 (for data\n       * channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are a mid-row code\n       */\n\n\n      Cea608Stream.prototype.isMidRowCode = function (char0, char1) {\n        return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;\n      };\n      /**\n       * Detects if the 2-byte packet is an offset control code\n       *\n       * Offset control codes have a second byte in the range 0x21 to 0x23,\n       * with the first byte being 0x17 (for data channel 1) or 0x1f (for\n       * data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an offset control code\n       */\n\n\n      Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {\n        return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;\n      };\n      /**\n       * Detects if the 2-byte packet is a Preamble Address Code\n       *\n       * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)\n       * or 0x18 to 0x1f (for data channel 2), with the second byte in the\n       * range 0x40 to 0x7f.\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are a PAC\n       */\n\n\n      Cea608Stream.prototype.isPAC = function (char0, char1) {\n        return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;\n      };\n      /**\n       * Detects if a packet's second byte is in the range of a PAC color code\n       *\n       * PAC color codes have the second byte be in the range 0x40 to 0x4f, or\n       * 0x60 to 0x6f.\n       *\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the byte is a color PAC\n       */\n\n\n      Cea608Stream.prototype.isColorPAC = function (char1) {\n        return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;\n      };\n      /**\n       * Detects if a single byte is in the range of a normal character\n       *\n       * Normal text bytes are in the range 0x20 to 0x7f.\n       *\n       * @param  {Integer} char  The byte\n       * @return {Boolean}       Whether the byte is a normal character\n       */\n\n\n      Cea608Stream.prototype.isNormalChar = function (_char) {\n        return _char >= 0x20 && _char <= 0x7f;\n      };\n      /**\n       * Configures roll-up\n       *\n       * @param  {Integer} pts         Current PTS\n       * @param  {Integer} newBaseRow  Used by PACs to slide the current window to\n       *                               a new position\n       */\n\n\n      Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {\n        // Reset the base row to the bottom row when switching modes\n        if (this.mode_ !== 'rollUp') {\n          this.row_ = BOTTOM_ROW;\n          this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up\n\n          this.flushDisplayed(pts);\n          this.nonDisplayed_ = createDisplayBuffer();\n          this.displayed_ = createDisplayBuffer();\n        }\n\n        if (newBaseRow !== undefined && newBaseRow !== this.row_) {\n          // move currently displayed captions (up or down) to the new base row\n          for (var i = 0; i < this.rollUpRows_; i++) {\n            this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];\n            this.displayed_[this.row_ - i] = '';\n          }\n        }\n\n        if (newBaseRow === undefined) {\n          newBaseRow = this.row_;\n        }\n\n        this.topRow_ = newBaseRow - this.rollUpRows_ + 1;\n      }; // Adds the opening HTML tag for the passed character to the caption text,\n      // and keeps track of it for later closing\n\n\n      Cea608Stream.prototype.addFormatting = function (pts, format) {\n        this.formatting_ = this.formatting_.concat(format);\n        var text = format.reduce(function (text, format) {\n          return text + '<' + format + '>';\n        }, '');\n        this[this.mode_](pts, text);\n      }; // Adds HTML closing tags for current formatting to caption text and\n      // clears remembered formatting\n\n\n      Cea608Stream.prototype.clearFormatting = function (pts) {\n        if (!this.formatting_.length) {\n          return;\n        }\n\n        var text = this.formatting_.reverse().reduce(function (text, format) {\n          return text + '</' + format + '>';\n        }, '');\n        this.formatting_ = [];\n        this[this.mode_](pts, text);\n      }; // Mode Implementations\n\n\n      Cea608Stream.prototype.popOn = function (pts, text) {\n        var baseRow = this.nonDisplayed_[this.row_]; // buffer characters\n\n        baseRow += text;\n        this.nonDisplayed_[this.row_] = baseRow;\n      };\n\n      Cea608Stream.prototype.rollUp = function (pts, text) {\n        var baseRow = this.displayed_[this.row_];\n        baseRow += text;\n        this.displayed_[this.row_] = baseRow;\n      };\n\n      Cea608Stream.prototype.shiftRowsUp_ = function () {\n        var i; // clear out inactive rows\n\n        for (i = 0; i < this.topRow_; i++) {\n          this.displayed_[i] = '';\n        }\n\n        for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {\n          this.displayed_[i] = '';\n        } // shift displayed rows up\n\n\n        for (i = this.topRow_; i < this.row_; i++) {\n          this.displayed_[i] = this.displayed_[i + 1];\n        } // clear out the bottom row\n\n\n        this.displayed_[this.row_] = '';\n      };\n\n      Cea608Stream.prototype.paintOn = function (pts, text) {\n        var baseRow = this.displayed_[this.row_];\n        baseRow += text;\n        this.displayed_[this.row_] = baseRow;\n      }; // exports\n\n\n      var captionStream = {\n        CaptionStream: CaptionStream,\n        Cea608Stream: Cea608Stream\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var streamTypes = {\n        H264_STREAM_TYPE: 0x1B,\n        ADTS_STREAM_TYPE: 0x0F,\n        METADATA_STREAM_TYPE: 0x15\n      };\n      var MAX_TS = 8589934592;\n      var RO_THRESH = 4294967296;\n      var TYPE_SHARED = 'shared';\n\n      var handleRollover = function handleRollover(value, reference) {\n        var direction = 1;\n\n        if (value > reference) {\n          // If the current timestamp value is greater than our reference timestamp and we detect a\n          // timestamp rollover, this means the roll over is happening in the opposite direction.\n          // Example scenario: Enter a long stream/video just after a rollover occurred. The reference\n          // point will be set to a small number, e.g. 1. The user then seeks backwards over the\n          // rollover point. In loading this segment, the timestamp values will be very large,\n          // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust\n          // the time stamp to be `value - 2^33`.\n          direction = -1;\n        } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will\n        // cause an incorrect adjustment.\n\n\n        while (Math.abs(reference - value) > RO_THRESH) {\n          value += direction * MAX_TS;\n        }\n\n        return value;\n      };\n\n      var TimestampRolloverStream = function TimestampRolloverStream(type) {\n        var lastDTS, referenceDTS;\n        TimestampRolloverStream.prototype.init.call(this); // The \"shared\" type is used in cases where a stream will contain muxed\n        // video and audio. We could use `undefined` here, but having a string\n        // makes debugging a little clearer.\n\n        this.type_ = type || TYPE_SHARED;\n\n        this.push = function (data) {\n          // Any \"shared\" rollover streams will accept _all_ data. Otherwise,\n          // streams will only accept data that matches their type.\n          if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {\n            return;\n          }\n\n          if (referenceDTS === undefined) {\n            referenceDTS = data.dts;\n          }\n\n          data.dts = handleRollover(data.dts, referenceDTS);\n          data.pts = handleRollover(data.pts, referenceDTS);\n          lastDTS = data.dts;\n          this.trigger('data', data);\n        };\n\n        this.flush = function () {\n          referenceDTS = lastDTS;\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n\n        this.discontinuity = function () {\n          referenceDTS = void 0;\n          lastDTS = void 0;\n        };\n\n        this.reset = function () {\n          this.discontinuity();\n          this.trigger('reset');\n        };\n      };\n\n      TimestampRolloverStream.prototype = new stream();\n      var timestampRolloverStream = {\n        TimestampRolloverStream: TimestampRolloverStream,\n        handleRollover: handleRollover\n      };\n\n      var percentEncode = function percentEncode(bytes, start, end) {\n        var i,\n            result = '';\n\n        for (i = start; i < end; i++) {\n          result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n        }\n\n        return result;\n      },\n          // return the string representation of the specified byte range,\n      // interpreted as UTf-8.\n      parseUtf8 = function parseUtf8(bytes, start, end) {\n        return decodeURIComponent(percentEncode(bytes, start, end));\n      },\n          // return the string representation of the specified byte range,\n      // interpreted as ISO-8859-1.\n      parseIso88591 = function parseIso88591(bytes, start, end) {\n        return unescape(percentEncode(bytes, start, end)); // jshint ignore:line\n      },\n          parseSyncSafeInteger = function parseSyncSafeInteger(data) {\n        return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n      },\n          tagParsers = {\n        TXXX: function TXXX(tag) {\n          var i;\n\n          if (tag.data[0] !== 3) {\n            // ignore frames with unrecognized character encodings\n            return;\n          }\n\n          for (i = 1; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the text fields\n              tag.description = parseUtf8(tag.data, 1, i); // do not include the null terminator in the tag value\n\n              tag.value = parseUtf8(tag.data, i + 1, tag.data.length).replace(/\\0*$/, '');\n              break;\n            }\n          }\n\n          tag.data = tag.value;\n        },\n        WXXX: function WXXX(tag) {\n          var i;\n\n          if (tag.data[0] !== 3) {\n            // ignore frames with unrecognized character encodings\n            return;\n          }\n\n          for (i = 1; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the description and URL fields\n              tag.description = parseUtf8(tag.data, 1, i);\n              tag.url = parseUtf8(tag.data, i + 1, tag.data.length);\n              break;\n            }\n          }\n        },\n        PRIV: function PRIV(tag) {\n          var i;\n\n          for (i = 0; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the description and URL fields\n              tag.owner = parseIso88591(tag.data, 0, i);\n              break;\n            }\n          }\n\n          tag.privateData = tag.data.subarray(i + 1);\n          tag.data = tag.privateData;\n        }\n      },\n          _MetadataStream;\n\n      _MetadataStream = function MetadataStream(options) {\n        var settings = {\n          debug: !!(options && options.debug),\n          // the bytes of the program-level descriptor field in MP2T\n          // see ISO/IEC 13818-1:2013 (E), section 2.6 \"Program and\n          // program element descriptors\"\n          descriptor: options && options.descriptor\n        },\n            // the total size in bytes of the ID3 tag being parsed\n        tagSize = 0,\n            // tag data that is not complete enough to be parsed\n        buffer = [],\n            // the total number of bytes currently in the buffer\n        bufferSize = 0,\n            i;\n\n        _MetadataStream.prototype.init.call(this); // calculate the text track in-band metadata track dispatch type\n        // https://html.spec.whatwg.org/multipage/embedded-content.html#steps-to-expose-a-media-resource-specific-text-track\n\n\n        this.dispatchType = streamTypes.METADATA_STREAM_TYPE.toString(16);\n\n        if (settings.descriptor) {\n          for (i = 0; i < settings.descriptor.length; i++) {\n            this.dispatchType += ('00' + settings.descriptor[i].toString(16)).slice(-2);\n          }\n        }\n\n        this.push = function (chunk) {\n          var tag, frameStart, frameSize, frame, i, frameHeader;\n\n          if (chunk.type !== 'timed-metadata') {\n            return;\n          } // if data_alignment_indicator is set in the PES header,\n          // we must have the start of a new ID3 tag. Assume anything\n          // remaining in the buffer was malformed and throw it out\n\n\n          if (chunk.dataAlignmentIndicator) {\n            bufferSize = 0;\n            buffer.length = 0;\n          } // ignore events that don't look like ID3 data\n\n\n          if (buffer.length === 0 && (chunk.data.length < 10 || chunk.data[0] !== 'I'.charCodeAt(0) || chunk.data[1] !== 'D'.charCodeAt(0) || chunk.data[2] !== '3'.charCodeAt(0))) {\n            if (settings.debug) {\n              // eslint-disable-next-line no-console\n              console.log('Skipping unrecognized metadata packet');\n            }\n\n            return;\n          } // add this chunk to the data we've collected so far\n\n\n          buffer.push(chunk);\n          bufferSize += chunk.data.byteLength; // grab the size of the entire frame from the ID3 header\n\n          if (buffer.length === 1) {\n            // the frame size is transmitted as a 28-bit integer in the\n            // last four bytes of the ID3 header.\n            // The most significant bit of each byte is dropped and the\n            // results concatenated to recover the actual value.\n            tagSize = parseSyncSafeInteger(chunk.data.subarray(6, 10)); // ID3 reports the tag size excluding the header but it's more\n            // convenient for our comparisons to include it\n\n            tagSize += 10;\n          } // if the entire frame has not arrived, wait for more data\n\n\n          if (bufferSize < tagSize) {\n            return;\n          } // collect the entire frame so it can be parsed\n\n\n          tag = {\n            data: new Uint8Array(tagSize),\n            frames: [],\n            pts: buffer[0].pts,\n            dts: buffer[0].dts\n          };\n\n          for (i = 0; i < tagSize;) {\n            tag.data.set(buffer[0].data.subarray(0, tagSize - i), i);\n            i += buffer[0].data.byteLength;\n            bufferSize -= buffer[0].data.byteLength;\n            buffer.shift();\n          } // find the start of the first frame and the end of the tag\n\n\n          frameStart = 10;\n\n          if (tag.data[5] & 0x40) {\n            // advance the frame start past the extended header\n            frameStart += 4; // header size field\n\n            frameStart += parseSyncSafeInteger(tag.data.subarray(10, 14)); // clip any padding off the end\n\n            tagSize -= parseSyncSafeInteger(tag.data.subarray(16, 20));\n          } // parse one or more ID3 frames\n          // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n          do {\n            // determine the number of bytes in this frame\n            frameSize = parseSyncSafeInteger(tag.data.subarray(frameStart + 4, frameStart + 8));\n\n            if (frameSize < 1) {\n              // eslint-disable-next-line no-console\n              return console.log('Malformed ID3 frame encountered. Skipping metadata parsing.');\n            }\n\n            frameHeader = String.fromCharCode(tag.data[frameStart], tag.data[frameStart + 1], tag.data[frameStart + 2], tag.data[frameStart + 3]);\n            frame = {\n              id: frameHeader,\n              data: tag.data.subarray(frameStart + 10, frameStart + frameSize + 10)\n            };\n            frame.key = frame.id;\n\n            if (tagParsers[frame.id]) {\n              tagParsers[frame.id](frame); // handle the special PRIV frame used to indicate the start\n              // time for raw AAC data\n\n              if (frame.owner === 'com.apple.streaming.transportStreamTimestamp') {\n                var d = frame.data,\n                    size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n                size *= 4;\n                size += d[7] & 0x03;\n                frame.timeStamp = size; // in raw AAC, all subsequent data will be timestamped based\n                // on the value of this frame\n                // we couldn't have known the appropriate pts and dts before\n                // parsing this ID3 tag so set those values now\n\n                if (tag.pts === undefined && tag.dts === undefined) {\n                  tag.pts = frame.timeStamp;\n                  tag.dts = frame.timeStamp;\n                }\n\n                this.trigger('timestamp', frame);\n              }\n            }\n\n            tag.frames.push(frame);\n            frameStart += 10; // advance past the frame header\n\n            frameStart += frameSize; // advance past the frame body\n          } while (frameStart < tagSize);\n\n          this.trigger('data', tag);\n        };\n      };\n\n      _MetadataStream.prototype = new stream();\n      var metadataStream = _MetadataStream;\n      var TimestampRolloverStream$1 = timestampRolloverStream.TimestampRolloverStream; // object types\n\n      var _TransportPacketStream, _TransportParseStream, _ElementaryStream; // constants\n\n\n      var MP2T_PACKET_LENGTH = 188,\n          // bytes\n      SYNC_BYTE = 0x47;\n      /**\n       * Splits an incoming stream of binary data into MPEG-2 Transport\n       * Stream packets.\n       */\n\n      _TransportPacketStream = function TransportPacketStream() {\n        var buffer = new Uint8Array(MP2T_PACKET_LENGTH),\n            bytesInBuffer = 0;\n\n        _TransportPacketStream.prototype.init.call(this); // Deliver new bytes to the stream.\n\n        /**\n         * Split a stream of data into M2TS packets\n        **/\n\n\n        this.push = function (bytes) {\n          var startIndex = 0,\n              endIndex = MP2T_PACKET_LENGTH,\n              everything; // If there are bytes remaining from the last segment, prepend them to the\n          // bytes that were pushed in\n\n          if (bytesInBuffer) {\n            everything = new Uint8Array(bytes.byteLength + bytesInBuffer);\n            everything.set(buffer.subarray(0, bytesInBuffer));\n            everything.set(bytes, bytesInBuffer);\n            bytesInBuffer = 0;\n          } else {\n            everything = bytes;\n          } // While we have enough data for a packet\n\n\n          while (endIndex < everything.byteLength) {\n            // Look for a pair of start and end sync bytes in the data..\n            if (everything[startIndex] === SYNC_BYTE && everything[endIndex] === SYNC_BYTE) {\n              // We found a packet so emit it and jump one whole packet forward in\n              // the stream\n              this.trigger('data', everything.subarray(startIndex, endIndex));\n              startIndex += MP2T_PACKET_LENGTH;\n              endIndex += MP2T_PACKET_LENGTH;\n              continue;\n            } // If we get here, we have somehow become de-synchronized and we need to step\n            // forward one byte at a time until we find a pair of sync bytes that denote\n            // a packet\n\n\n            startIndex++;\n            endIndex++;\n          } // If there was some data left over at the end of the segment that couldn't\n          // possibly be a whole packet, keep it because it might be the start of a packet\n          // that continues in the next segment\n\n\n          if (startIndex < everything.byteLength) {\n            buffer.set(everything.subarray(startIndex), 0);\n            bytesInBuffer = everything.byteLength - startIndex;\n          }\n        };\n        /**\n         * Passes identified M2TS packets to the TransportParseStream to be parsed\n        **/\n\n\n        this.flush = function () {\n          // If the buffer contains a whole packet when we are being flushed, emit it\n          // and empty the buffer. Otherwise hold onto the data because it may be\n          // important for decoding the next segment\n          if (bytesInBuffer === MP2T_PACKET_LENGTH && buffer[0] === SYNC_BYTE) {\n            this.trigger('data', buffer);\n            bytesInBuffer = 0;\n          }\n\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n\n        this.reset = function () {\n          bytesInBuffer = 0;\n          this.trigger('reset');\n        };\n      };\n\n      _TransportPacketStream.prototype = new stream();\n      /**\n       * Accepts an MP2T TransportPacketStream and emits data events with parsed\n       * forms of the individual transport stream packets.\n       */\n\n      _TransportParseStream = function TransportParseStream() {\n        var parsePsi, parsePat, parsePmt, self;\n\n        _TransportParseStream.prototype.init.call(this);\n\n        self = this;\n        this.packetsWaitingForPmt = [];\n        this.programMapTable = undefined;\n\n        parsePsi = function parsePsi(payload, psi) {\n          var offset = 0; // PSI packets may be split into multiple sections and those\n          // sections may be split into multiple packets. If a PSI\n          // section starts in this packet, the payload_unit_start_indicator\n          // will be true and the first byte of the payload will indicate\n          // the offset from the current position to the start of the\n          // section.\n\n          if (psi.payloadUnitStartIndicator) {\n            offset += payload[offset] + 1;\n          }\n\n          if (psi.type === 'pat') {\n            parsePat(payload.subarray(offset), psi);\n          } else {\n            parsePmt(payload.subarray(offset), psi);\n          }\n        };\n\n        parsePat = function parsePat(payload, pat) {\n          pat.section_number = payload[7]; // eslint-disable-line camelcase\n\n          pat.last_section_number = payload[8]; // eslint-disable-line camelcase\n          // skip the PSI header and parse the first PMT entry\n\n          self.pmtPid = (payload[10] & 0x1F) << 8 | payload[11];\n          pat.pmtPid = self.pmtPid;\n        };\n        /**\n         * Parse out the relevant fields of a Program Map Table (PMT).\n         * @param payload {Uint8Array} the PMT-specific portion of an MP2T\n         * packet. The first byte in this array should be the table_id\n         * field.\n         * @param pmt {object} the object that should be decorated with\n         * fields parsed from the PMT.\n         */\n\n\n        parsePmt = function parsePmt(payload, pmt) {\n          var sectionLength, tableEnd, programInfoLength, offset; // PMTs can be sent ahead of the time when they should actually\n          // take effect. We don't believe this should ever be the case\n          // for HLS but we'll ignore \"forward\" PMT declarations if we see\n          // them. Future PMT declarations have the current_next_indicator\n          // set to zero.\n\n          if (!(payload[5] & 0x01)) {\n            return;\n          } // overwrite any existing program map table\n\n\n          self.programMapTable = {\n            video: null,\n            audio: null,\n            'timed-metadata': {}\n          }; // the mapping table ends at the end of the current section\n\n          sectionLength = (payload[1] & 0x0f) << 8 | payload[2];\n          tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how\n          // long the program info descriptors are\n\n          programInfoLength = (payload[10] & 0x0f) << 8 | payload[11]; // advance the offset to the first entry in the mapping table\n\n          offset = 12 + programInfoLength;\n\n          while (offset < tableEnd) {\n            var streamType = payload[offset];\n            var pid = (payload[offset + 1] & 0x1F) << 8 | payload[offset + 2]; // only map a single elementary_pid for audio and video stream types\n            // TODO: should this be done for metadata too? for now maintain behavior of\n            //       multiple metadata streams\n\n            if (streamType === streamTypes.H264_STREAM_TYPE && self.programMapTable.video === null) {\n              self.programMapTable.video = pid;\n            } else if (streamType === streamTypes.ADTS_STREAM_TYPE && self.programMapTable.audio === null) {\n              self.programMapTable.audio = pid;\n            } else if (streamType === streamTypes.METADATA_STREAM_TYPE) {\n              // map pid to stream type for metadata streams\n              self.programMapTable['timed-metadata'][pid] = streamType;\n            } // move to the next table entry\n            // skip past the elementary stream descriptors, if present\n\n\n            offset += ((payload[offset + 3] & 0x0F) << 8 | payload[offset + 4]) + 5;\n          } // record the map on the packet as well\n\n\n          pmt.programMapTable = self.programMapTable;\n        };\n        /**\n         * Deliver a new MP2T packet to the next stream in the pipeline.\n         */\n\n\n        this.push = function (packet) {\n          var result = {},\n              offset = 4;\n          result.payloadUnitStartIndicator = !!(packet[1] & 0x40); // pid is a 13-bit field starting at the last bit of packet[1]\n\n          result.pid = packet[1] & 0x1f;\n          result.pid <<= 8;\n          result.pid |= packet[2]; // if an adaption field is present, its length is specified by the\n          // fifth byte of the TS packet header. The adaptation field is\n          // used to add stuffing to PES packets that don't fill a complete\n          // TS packet, and to specify some forms of timing and control data\n          // that we do not currently use.\n\n          if ((packet[3] & 0x30) >>> 4 > 0x01) {\n            offset += packet[offset] + 1;\n          } // parse the rest of the packet based on the type\n\n\n          if (result.pid === 0) {\n            result.type = 'pat';\n            parsePsi(packet.subarray(offset), result);\n            this.trigger('data', result);\n          } else if (result.pid === this.pmtPid) {\n            result.type = 'pmt';\n            parsePsi(packet.subarray(offset), result);\n            this.trigger('data', result); // if there are any packets waiting for a PMT to be found, process them now\n\n            while (this.packetsWaitingForPmt.length) {\n              this.processPes_.apply(this, this.packetsWaitingForPmt.shift());\n            }\n          } else if (this.programMapTable === undefined) {\n            // When we have not seen a PMT yet, defer further processing of\n            // PES packets until one has been parsed\n            this.packetsWaitingForPmt.push([packet, offset, result]);\n          } else {\n            this.processPes_(packet, offset, result);\n          }\n        };\n\n        this.processPes_ = function (packet, offset, result) {\n          // set the appropriate stream type\n          if (result.pid === this.programMapTable.video) {\n            result.streamType = streamTypes.H264_STREAM_TYPE;\n          } else if (result.pid === this.programMapTable.audio) {\n            result.streamType = streamTypes.ADTS_STREAM_TYPE;\n          } else {\n            // if not video or audio, it is timed-metadata or unknown\n            // if unknown, streamType will be undefined\n            result.streamType = this.programMapTable['timed-metadata'][result.pid];\n          }\n\n          result.type = 'pes';\n          result.data = packet.subarray(offset);\n          this.trigger('data', result);\n        };\n      };\n\n      _TransportParseStream.prototype = new stream();\n      _TransportParseStream.STREAM_TYPES = {\n        h264: 0x1b,\n        adts: 0x0f\n      };\n      /**\n       * Reconsistutes program elementary stream (PES) packets from parsed\n       * transport stream packets. That is, if you pipe an\n       * mp2t.TransportParseStream into a mp2t.ElementaryStream, the output\n       * events will be events which capture the bytes for individual PES\n       * packets plus relevant metadata that has been extracted from the\n       * container.\n       */\n\n      _ElementaryStream = function ElementaryStream() {\n        var self = this,\n            // PES packet fragments\n        video = {\n          data: [],\n          size: 0\n        },\n            audio = {\n          data: [],\n          size: 0\n        },\n            timedMetadata = {\n          data: [],\n          size: 0\n        },\n            programMapTable,\n            parsePes = function parsePes(payload, pes) {\n          var ptsDtsFlags; // get the packet length, this will be 0 for video\n\n          pes.packetLength = 6 + (payload[4] << 8 | payload[5]); // find out if this packets starts a new keyframe\n\n          pes.dataAlignmentIndicator = (payload[6] & 0x04) !== 0; // PES packets may be annotated with a PTS value, or a PTS value\n          // and a DTS value. Determine what combination of values is\n          // available to work with.\n\n          ptsDtsFlags = payload[7]; // PTS and DTS are normally stored as a 33-bit number.  Javascript\n          // performs all bitwise operations on 32-bit integers but javascript\n          // supports a much greater range (52-bits) of integer using standard\n          // mathematical operations.\n          // We construct a 31-bit value using bitwise operators over the 31\n          // most significant bits and then multiply by 4 (equal to a left-shift\n          // of 2) before we add the final 2 least significant bits of the\n          // timestamp (equal to an OR.)\n\n          if (ptsDtsFlags & 0xC0) {\n            // the PTS and DTS are not written out directly. For information\n            // on how they are encoded, see\n            // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n            pes.pts = (payload[9] & 0x0E) << 27 | (payload[10] & 0xFF) << 20 | (payload[11] & 0xFE) << 12 | (payload[12] & 0xFF) << 5 | (payload[13] & 0xFE) >>> 3;\n            pes.pts *= 4; // Left shift by 2\n\n            pes.pts += (payload[13] & 0x06) >>> 1; // OR by the two LSBs\n\n            pes.dts = pes.pts;\n\n            if (ptsDtsFlags & 0x40) {\n              pes.dts = (payload[14] & 0x0E) << 27 | (payload[15] & 0xFF) << 20 | (payload[16] & 0xFE) << 12 | (payload[17] & 0xFF) << 5 | (payload[18] & 0xFE) >>> 3;\n              pes.dts *= 4; // Left shift by 2\n\n              pes.dts += (payload[18] & 0x06) >>> 1; // OR by the two LSBs\n            }\n          } // the data section starts immediately after the PES header.\n          // pes_header_data_length specifies the number of header bytes\n          // that follow the last byte of the field.\n\n\n          pes.data = payload.subarray(9 + payload[8]);\n        },\n\n        /**\n          * Pass completely parsed PES packets to the next stream in the pipeline\n         **/\n        flushStream = function flushStream(stream$$1, type, forceFlush) {\n          var packetData = new Uint8Array(stream$$1.size),\n              event = {\n            type: type\n          },\n              i = 0,\n              offset = 0,\n              packetFlushable = false,\n              fragment; // do nothing if there is not enough buffered data for a complete\n          // PES header\n\n          if (!stream$$1.data.length || stream$$1.size < 9) {\n            return;\n          }\n\n          event.trackId = stream$$1.data[0].pid; // reassemble the packet\n\n          for (i = 0; i < stream$$1.data.length; i++) {\n            fragment = stream$$1.data[i];\n            packetData.set(fragment.data, offset);\n            offset += fragment.data.byteLength;\n          } // parse assembled packet's PES header\n\n\n          parsePes(packetData, event); // non-video PES packets MUST have a non-zero PES_packet_length\n          // check that there is enough stream data to fill the packet\n\n          packetFlushable = type === 'video' || event.packetLength <= stream$$1.size; // flush pending packets if the conditions are right\n\n          if (forceFlush || packetFlushable) {\n            stream$$1.size = 0;\n            stream$$1.data.length = 0;\n          } // only emit packets that are complete. this is to avoid assembling\n          // incomplete PES packets due to poor segmentation\n\n\n          if (packetFlushable) {\n            self.trigger('data', event);\n          }\n        };\n\n        _ElementaryStream.prototype.init.call(this);\n        /**\n         * Identifies M2TS packet types and parses PES packets using metadata\n         * parsed from the PMT\n         **/\n\n\n        this.push = function (data) {\n          ({\n            pat: function pat() {// we have to wait for the PMT to arrive as well before we\n              // have any meaningful metadata\n            },\n            pes: function pes() {\n              var stream$$1, streamType;\n\n              switch (data.streamType) {\n                case streamTypes.H264_STREAM_TYPE:\n                case streamTypes.H264_STREAM_TYPE:\n                  stream$$1 = video;\n                  streamType = 'video';\n                  break;\n\n                case streamTypes.ADTS_STREAM_TYPE:\n                  stream$$1 = audio;\n                  streamType = 'audio';\n                  break;\n\n                case streamTypes.METADATA_STREAM_TYPE:\n                  stream$$1 = timedMetadata;\n                  streamType = 'timed-metadata';\n                  break;\n\n                default:\n                  // ignore unknown stream types\n                  return;\n              } // if a new packet is starting, we can flush the completed\n              // packet\n\n\n              if (data.payloadUnitStartIndicator) {\n                flushStream(stream$$1, streamType, true);\n              } // buffer this fragment until we are sure we've received the\n              // complete payload\n\n\n              stream$$1.data.push(data);\n              stream$$1.size += data.data.byteLength;\n            },\n            pmt: function pmt() {\n              var event = {\n                type: 'metadata',\n                tracks: []\n              };\n              programMapTable = data.programMapTable; // translate audio and video streams to tracks\n\n              if (programMapTable.video !== null) {\n                event.tracks.push({\n                  timelineStartInfo: {\n                    baseMediaDecodeTime: 0\n                  },\n                  id: +programMapTable.video,\n                  codec: 'avc',\n                  type: 'video'\n                });\n              }\n\n              if (programMapTable.audio !== null) {\n                event.tracks.push({\n                  timelineStartInfo: {\n                    baseMediaDecodeTime: 0\n                  },\n                  id: +programMapTable.audio,\n                  codec: 'adts',\n                  type: 'audio'\n                });\n              }\n\n              self.trigger('data', event);\n            }\n          })[data.type]();\n        };\n\n        this.reset = function () {\n          video.size = 0;\n          video.data.length = 0;\n          audio.size = 0;\n          audio.data.length = 0;\n          this.trigger('reset');\n        };\n        /**\n         * Flush any remaining input. Video PES packets may be of variable\n         * length. Normally, the start of a new video packet can trigger the\n         * finalization of the previous packet. That is not possible if no\n         * more video is forthcoming, however. In that case, some other\n         * mechanism (like the end of the file) has to be employed. When it is\n         * clear that no additional data is forthcoming, calling this method\n         * will flush the buffered packets.\n         */\n\n\n        this.flushStreams_ = function () {\n          // !!THIS ORDER IS IMPORTANT!!\n          // video first then audio\n          flushStream(video, 'video');\n          flushStream(audio, 'audio');\n          flushStream(timedMetadata, 'timed-metadata');\n        };\n\n        this.flush = function () {\n          this.flushStreams_();\n          this.trigger('done');\n        };\n      };\n\n      _ElementaryStream.prototype = new stream();\n      var m2ts = {\n        PAT_PID: 0x0000,\n        MP2T_PACKET_LENGTH: MP2T_PACKET_LENGTH,\n        TransportPacketStream: _TransportPacketStream,\n        TransportParseStream: _TransportParseStream,\n        ElementaryStream: _ElementaryStream,\n        TimestampRolloverStream: TimestampRolloverStream$1,\n        CaptionStream: captionStream.CaptionStream,\n        Cea608Stream: captionStream.Cea608Stream,\n        MetadataStream: metadataStream\n      };\n\n      for (var type in streamTypes) {\n        if (streamTypes.hasOwnProperty(type)) {\n          m2ts[type] = streamTypes[type];\n        }\n      }\n\n      var m2ts_1 = m2ts;\n      var ONE_SECOND_IN_TS$2 = clock.ONE_SECOND_IN_TS;\n\n      var _AdtsStream;\n\n      var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n      /*\n       * Accepts a ElementaryStream and emits data events with parsed\n       * AAC Audio Frames of the individual packets. Input audio in ADTS\n       * format is unpacked and re-emitted as AAC frames.\n       *\n       * @see http://wiki.multimedia.cx/index.php?title=ADTS\n       * @see http://wiki.multimedia.cx/?title=Understanding_AAC\n       */\n\n      _AdtsStream = function AdtsStream(handlePartialSegments) {\n        var buffer,\n            frameNum = 0;\n\n        _AdtsStream.prototype.init.call(this);\n\n        this.push = function (packet) {\n          var i = 0,\n              frameLength,\n              protectionSkipBytes,\n              frameEnd,\n              oldBuffer,\n              sampleCount,\n              adtsFrameDuration;\n\n          if (!handlePartialSegments) {\n            frameNum = 0;\n          }\n\n          if (packet.type !== 'audio') {\n            // ignore non-audio data\n            return;\n          } // Prepend any data in the buffer to the input data so that we can parse\n          // aac frames the cross a PES packet boundary\n\n\n          if (buffer) {\n            oldBuffer = buffer;\n            buffer = new Uint8Array(oldBuffer.byteLength + packet.data.byteLength);\n            buffer.set(oldBuffer);\n            buffer.set(packet.data, oldBuffer.byteLength);\n          } else {\n            buffer = packet.data;\n          } // unpack any ADTS frames which have been fully received\n          // for details on the ADTS header, see http://wiki.multimedia.cx/index.php?title=ADTS\n\n\n          while (i + 5 < buffer.length) {\n            // Look for the start of an ADTS header..\n            if (buffer[i] !== 0xFF || (buffer[i + 1] & 0xF6) !== 0xF0) {\n              // If a valid header was not found,  jump one forward and attempt to\n              // find a valid ADTS header starting at the next byte\n              i++;\n              continue;\n            } // The protection skip bit tells us if we have 2 bytes of CRC data at the\n            // end of the ADTS header\n\n\n            protectionSkipBytes = (~buffer[i + 1] & 0x01) * 2; // Frame length is a 13 bit integer starting 16 bits from the\n            // end of the sync sequence\n\n            frameLength = (buffer[i + 3] & 0x03) << 11 | buffer[i + 4] << 3 | (buffer[i + 5] & 0xe0) >> 5;\n            sampleCount = ((buffer[i + 6] & 0x03) + 1) * 1024;\n            adtsFrameDuration = sampleCount * ONE_SECOND_IN_TS$2 / ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2];\n            frameEnd = i + frameLength; // If we don't have enough data to actually finish this ADTS frame, return\n            // and wait for more data\n\n            if (buffer.byteLength < frameEnd) {\n              return;\n            } // Otherwise, deliver the complete AAC frame\n\n\n            this.trigger('data', {\n              pts: packet.pts + frameNum * adtsFrameDuration,\n              dts: packet.dts + frameNum * adtsFrameDuration,\n              sampleCount: sampleCount,\n              audioobjecttype: (buffer[i + 2] >>> 6 & 0x03) + 1,\n              channelcount: (buffer[i + 2] & 1) << 2 | (buffer[i + 3] & 0xc0) >>> 6,\n              samplerate: ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2],\n              samplingfrequencyindex: (buffer[i + 2] & 0x3c) >>> 2,\n              // assume ISO/IEC 14496-12 AudioSampleEntry default of 16\n              samplesize: 16,\n              data: buffer.subarray(i + 7 + protectionSkipBytes, frameEnd)\n            });\n            frameNum++; // If the buffer is empty, clear it and return\n\n            if (buffer.byteLength === frameEnd) {\n              buffer = undefined;\n              return;\n            } // Remove the finished frame from the buffer and start the process again\n\n\n            buffer = buffer.subarray(frameEnd);\n          }\n        };\n\n        this.flush = function () {\n          frameNum = 0;\n          this.trigger('done');\n        };\n\n        this.reset = function () {\n          buffer = void 0;\n          this.trigger('reset');\n        };\n\n        this.endTimeline = function () {\n          buffer = void 0;\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _AdtsStream.prototype = new stream();\n      var adts = _AdtsStream;\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ExpGolomb;\n      /**\n       * Parser for exponential Golomb codes, a variable-bitwidth number encoding\n       * scheme used by h264.\n       */\n\n      ExpGolomb = function ExpGolomb(workingData) {\n        var // the number of bytes left to examine in workingData\n        workingBytesAvailable = workingData.byteLength,\n            // the current word being examined\n        workingWord = 0,\n            // :uint\n        // the number of bits left to examine in the current word\n        workingBitsAvailable = 0; // :uint;\n        // ():uint\n\n        this.length = function () {\n          return 8 * workingBytesAvailable;\n        }; // ():uint\n\n\n        this.bitsAvailable = function () {\n          return 8 * workingBytesAvailable + workingBitsAvailable;\n        }; // ():void\n\n\n        this.loadWord = function () {\n          var position = workingData.byteLength - workingBytesAvailable,\n              workingBytes = new Uint8Array(4),\n              availableBytes = Math.min(4, workingBytesAvailable);\n\n          if (availableBytes === 0) {\n            throw new Error('no bytes available');\n          }\n\n          workingBytes.set(workingData.subarray(position, position + availableBytes));\n          workingWord = new DataView(workingBytes.buffer).getUint32(0); // track the amount of workingData that has been processed\n\n          workingBitsAvailable = availableBytes * 8;\n          workingBytesAvailable -= availableBytes;\n        }; // (count:int):void\n\n\n        this.skipBits = function (count) {\n          var skipBytes; // :int\n\n          if (workingBitsAvailable > count) {\n            workingWord <<= count;\n            workingBitsAvailable -= count;\n          } else {\n            count -= workingBitsAvailable;\n            skipBytes = Math.floor(count / 8);\n            count -= skipBytes * 8;\n            workingBytesAvailable -= skipBytes;\n            this.loadWord();\n            workingWord <<= count;\n            workingBitsAvailable -= count;\n          }\n        }; // (size:int):uint\n\n\n        this.readBits = function (size) {\n          var bits = Math.min(workingBitsAvailable, size),\n              // :uint\n          valu = workingWord >>> 32 - bits; // :uint\n          // if size > 31, handle error\n\n          workingBitsAvailable -= bits;\n\n          if (workingBitsAvailable > 0) {\n            workingWord <<= bits;\n          } else if (workingBytesAvailable > 0) {\n            this.loadWord();\n          }\n\n          bits = size - bits;\n\n          if (bits > 0) {\n            return valu << bits | this.readBits(bits);\n          }\n\n          return valu;\n        }; // ():uint\n\n\n        this.skipLeadingZeros = function () {\n          var leadingZeroCount; // :uint\n\n          for (leadingZeroCount = 0; leadingZeroCount < workingBitsAvailable; ++leadingZeroCount) {\n            if ((workingWord & 0x80000000 >>> leadingZeroCount) !== 0) {\n              // the first bit of working word is 1\n              workingWord <<= leadingZeroCount;\n              workingBitsAvailable -= leadingZeroCount;\n              return leadingZeroCount;\n            }\n          } // we exhausted workingWord and still have not found a 1\n\n\n          this.loadWord();\n          return leadingZeroCount + this.skipLeadingZeros();\n        }; // ():void\n\n\n        this.skipUnsignedExpGolomb = function () {\n          this.skipBits(1 + this.skipLeadingZeros());\n        }; // ():void\n\n\n        this.skipExpGolomb = function () {\n          this.skipBits(1 + this.skipLeadingZeros());\n        }; // ():uint\n\n\n        this.readUnsignedExpGolomb = function () {\n          var clz = this.skipLeadingZeros(); // :uint\n\n          return this.readBits(clz + 1) - 1;\n        }; // ():int\n\n\n        this.readExpGolomb = function () {\n          var valu = this.readUnsignedExpGolomb(); // :int\n\n          if (0x01 & valu) {\n            // the number is odd if the low order bit is set\n            return 1 + valu >>> 1; // add 1 to make it even, and divide by 2\n          }\n\n          return -1 * (valu >>> 1); // divide by two then make it negative\n        }; // Some convenience functions\n        // :Boolean\n\n\n        this.readBoolean = function () {\n          return this.readBits(1) === 1;\n        }; // ():int\n\n\n        this.readUnsignedByte = function () {\n          return this.readBits(8);\n        };\n\n        this.loadWord();\n      };\n\n      var expGolomb = ExpGolomb;\n\n      var _H264Stream, _NalByteStream;\n\n      var PROFILES_WITH_OPTIONAL_SPS_DATA;\n      /**\n       * Accepts a NAL unit byte stream and unpacks the embedded NAL units.\n       */\n\n      _NalByteStream = function NalByteStream() {\n        var syncPoint = 0,\n            i,\n            buffer;\n\n        _NalByteStream.prototype.init.call(this);\n        /*\n         * Scans a byte stream and triggers a data event with the NAL units found.\n         * @param {Object} data Event received from H264Stream\n         * @param {Uint8Array} data.data The h264 byte stream to be scanned\n         *\n         * @see H264Stream.push\n         */\n\n\n        this.push = function (data) {\n          var swapBuffer;\n\n          if (!buffer) {\n            buffer = data.data;\n          } else {\n            swapBuffer = new Uint8Array(buffer.byteLength + data.data.byteLength);\n            swapBuffer.set(buffer);\n            swapBuffer.set(data.data, buffer.byteLength);\n            buffer = swapBuffer;\n          }\n\n          var len = buffer.byteLength; // Rec. ITU-T H.264, Annex B\n          // scan for NAL unit boundaries\n          // a match looks like this:\n          // 0 0 1 .. NAL .. 0 0 1\n          // ^ sync point        ^ i\n          // or this:\n          // 0 0 1 .. NAL .. 0 0 0\n          // ^ sync point        ^ i\n          // advance the sync point to a NAL start, if necessary\n\n          for (; syncPoint < len - 3; syncPoint++) {\n            if (buffer[syncPoint + 2] === 1) {\n              // the sync point is properly aligned\n              i = syncPoint + 5;\n              break;\n            }\n          }\n\n          while (i < len) {\n            // look at the current byte to determine if we've hit the end of\n            // a NAL unit boundary\n            switch (buffer[i]) {\n              case 0:\n                // skip past non-sync sequences\n                if (buffer[i - 1] !== 0) {\n                  i += 2;\n                  break;\n                } else if (buffer[i - 2] !== 0) {\n                  i++;\n                  break;\n                } // deliver the NAL unit if it isn't empty\n\n\n                if (syncPoint + 3 !== i - 2) {\n                  this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));\n                } // drop trailing zeroes\n\n\n                do {\n                  i++;\n                } while (buffer[i] !== 1 && i < len);\n\n                syncPoint = i - 2;\n                i += 3;\n                break;\n\n              case 1:\n                // skip past non-sync sequences\n                if (buffer[i - 1] !== 0 || buffer[i - 2] !== 0) {\n                  i += 3;\n                  break;\n                } // deliver the NAL unit\n\n\n                this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));\n                syncPoint = i - 2;\n                i += 3;\n                break;\n\n              default:\n                // the current byte isn't a one or zero, so it cannot be part\n                // of a sync sequence\n                i += 3;\n                break;\n            }\n          } // filter out the NAL units that were delivered\n\n\n          buffer = buffer.subarray(syncPoint);\n          i -= syncPoint;\n          syncPoint = 0;\n        };\n\n        this.reset = function () {\n          buffer = null;\n          syncPoint = 0;\n          this.trigger('reset');\n        };\n\n        this.flush = function () {\n          // deliver the last buffered NAL unit\n          if (buffer && buffer.byteLength > 3) {\n            this.trigger('data', buffer.subarray(syncPoint + 3));\n          } // reset the stream state\n\n\n          buffer = null;\n          syncPoint = 0;\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _NalByteStream.prototype = new stream(); // values of profile_idc that indicate additional fields are included in the SPS\n      // see Recommendation ITU-T H.264 (4/2013),\n      // 7.3.2.1.1 Sequence parameter set data syntax\n\n      PROFILES_WITH_OPTIONAL_SPS_DATA = {\n        100: true,\n        110: true,\n        122: true,\n        244: true,\n        44: true,\n        83: true,\n        86: true,\n        118: true,\n        128: true,\n        138: true,\n        139: true,\n        134: true\n      };\n      /**\n       * Accepts input from a ElementaryStream and produces H.264 NAL unit data\n       * events.\n       */\n\n      _H264Stream = function H264Stream() {\n        var nalByteStream = new _NalByteStream(),\n            self,\n            trackId,\n            currentPts,\n            currentDts,\n            discardEmulationPreventionBytes,\n            readSequenceParameterSet,\n            skipScalingList;\n\n        _H264Stream.prototype.init.call(this);\n\n        self = this;\n        /*\n         * Pushes a packet from a stream onto the NalByteStream\n         *\n         * @param {Object} packet - A packet received from a stream\n         * @param {Uint8Array} packet.data - The raw bytes of the packet\n         * @param {Number} packet.dts - Decode timestamp of the packet\n         * @param {Number} packet.pts - Presentation timestamp of the packet\n         * @param {Number} packet.trackId - The id of the h264 track this packet came from\n         * @param {('video'|'audio')} packet.type - The type of packet\n         *\n         */\n\n        this.push = function (packet) {\n          if (packet.type !== 'video') {\n            return;\n          }\n\n          trackId = packet.trackId;\n          currentPts = packet.pts;\n          currentDts = packet.dts;\n          nalByteStream.push(packet);\n        };\n        /*\n         * Identify NAL unit types and pass on the NALU, trackId, presentation and decode timestamps\n         * for the NALUs to the next stream component.\n         * Also, preprocess caption and sequence parameter NALUs.\n         *\n         * @param {Uint8Array} data - A NAL unit identified by `NalByteStream.push`\n         * @see NalByteStream.push\n         */\n\n\n        nalByteStream.on('data', function (data) {\n          var event = {\n            trackId: trackId,\n            pts: currentPts,\n            dts: currentDts,\n            data: data\n          };\n\n          switch (data[0] & 0x1f) {\n            case 0x05:\n              event.nalUnitType = 'slice_layer_without_partitioning_rbsp_idr';\n              break;\n\n            case 0x06:\n              event.nalUnitType = 'sei_rbsp';\n              event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));\n              break;\n\n            case 0x07:\n              event.nalUnitType = 'seq_parameter_set_rbsp';\n              event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));\n              event.config = readSequenceParameterSet(event.escapedRBSP);\n              break;\n\n            case 0x08:\n              event.nalUnitType = 'pic_parameter_set_rbsp';\n              break;\n\n            case 0x09:\n              event.nalUnitType = 'access_unit_delimiter_rbsp';\n              break;\n\n            default:\n              break;\n          } // This triggers data on the H264Stream\n\n\n          self.trigger('data', event);\n        });\n        nalByteStream.on('done', function () {\n          self.trigger('done');\n        });\n        nalByteStream.on('partialdone', function () {\n          self.trigger('partialdone');\n        });\n        nalByteStream.on('reset', function () {\n          self.trigger('reset');\n        });\n        nalByteStream.on('endedtimeline', function () {\n          self.trigger('endedtimeline');\n        });\n\n        this.flush = function () {\n          nalByteStream.flush();\n        };\n\n        this.partialFlush = function () {\n          nalByteStream.partialFlush();\n        };\n\n        this.reset = function () {\n          nalByteStream.reset();\n        };\n\n        this.endTimeline = function () {\n          nalByteStream.endTimeline();\n        };\n        /**\n         * Advance the ExpGolomb decoder past a scaling list. The scaling\n         * list is optionally transmitted as part of a sequence parameter\n         * set and is not relevant to transmuxing.\n         * @param count {number} the number of entries in this scaling list\n         * @param expGolombDecoder {object} an ExpGolomb pointed to the\n         * start of a scaling list\n         * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n         */\n\n\n        skipScalingList = function skipScalingList(count, expGolombDecoder) {\n          var lastScale = 8,\n              nextScale = 8,\n              j,\n              deltaScale;\n\n          for (j = 0; j < count; j++) {\n            if (nextScale !== 0) {\n              deltaScale = expGolombDecoder.readExpGolomb();\n              nextScale = (lastScale + deltaScale + 256) % 256;\n            }\n\n            lastScale = nextScale === 0 ? lastScale : nextScale;\n          }\n        };\n        /**\n         * Expunge any \"Emulation Prevention\" bytes from a \"Raw Byte\n         * Sequence Payload\"\n         * @param data {Uint8Array} the bytes of a RBSP from a NAL\n         * unit\n         * @return {Uint8Array} the RBSP without any Emulation\n         * Prevention Bytes\n         */\n\n\n        discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n          var length = data.byteLength,\n              emulationPreventionBytesPositions = [],\n              i = 1,\n              newLength,\n              newData; // Find all `Emulation Prevention Bytes`\n\n          while (i < length - 2) {\n            if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n              emulationPreventionBytesPositions.push(i + 2);\n              i += 2;\n            } else {\n              i++;\n            }\n          } // If no Emulation Prevention Bytes were found just return the original\n          // array\n\n\n          if (emulationPreventionBytesPositions.length === 0) {\n            return data;\n          } // Create a new array to hold the NAL unit data\n\n\n          newLength = length - emulationPreventionBytesPositions.length;\n          newData = new Uint8Array(newLength);\n          var sourceIndex = 0;\n\n          for (i = 0; i < newLength; sourceIndex++, i++) {\n            if (sourceIndex === emulationPreventionBytesPositions[0]) {\n              // Skip this byte\n              sourceIndex++; // Remove this position index\n\n              emulationPreventionBytesPositions.shift();\n            }\n\n            newData[i] = data[sourceIndex];\n          }\n\n          return newData;\n        };\n        /**\n         * Read a sequence parameter set and return some interesting video\n         * properties. A sequence parameter set is the H264 metadata that\n         * describes the properties of upcoming video frames.\n         * @param data {Uint8Array} the bytes of a sequence parameter set\n         * @return {object} an object with configuration parsed from the\n         * sequence parameter set, including the dimensions of the\n         * associated video frames.\n         */\n\n\n        readSequenceParameterSet = function readSequenceParameterSet(data) {\n          var frameCropLeftOffset = 0,\n              frameCropRightOffset = 0,\n              frameCropTopOffset = 0,\n              frameCropBottomOffset = 0,\n              sarScale = 1,\n              expGolombDecoder,\n              profileIdc,\n              levelIdc,\n              profileCompatibility,\n              chromaFormatIdc,\n              picOrderCntType,\n              numRefFramesInPicOrderCntCycle,\n              picWidthInMbsMinus1,\n              picHeightInMapUnitsMinus1,\n              frameMbsOnlyFlag,\n              scalingListCount,\n              sarRatio,\n              aspectRatioIdc,\n              i;\n          expGolombDecoder = new expGolomb(data);\n          profileIdc = expGolombDecoder.readUnsignedByte(); // profile_idc\n\n          profileCompatibility = expGolombDecoder.readUnsignedByte(); // constraint_set[0-5]_flag\n\n          levelIdc = expGolombDecoder.readUnsignedByte(); // level_idc u(8)\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // seq_parameter_set_id\n          // some profiles have more optional data we don't need\n\n          if (PROFILES_WITH_OPTIONAL_SPS_DATA[profileIdc]) {\n            chromaFormatIdc = expGolombDecoder.readUnsignedExpGolomb();\n\n            if (chromaFormatIdc === 3) {\n              expGolombDecoder.skipBits(1); // separate_colour_plane_flag\n            }\n\n            expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_luma_minus8\n\n            expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_chroma_minus8\n\n            expGolombDecoder.skipBits(1); // qpprime_y_zero_transform_bypass_flag\n\n            if (expGolombDecoder.readBoolean()) {\n              // seq_scaling_matrix_present_flag\n              scalingListCount = chromaFormatIdc !== 3 ? 8 : 12;\n\n              for (i = 0; i < scalingListCount; i++) {\n                if (expGolombDecoder.readBoolean()) {\n                  // seq_scaling_list_present_flag[ i ]\n                  if (i < 6) {\n                    skipScalingList(16, expGolombDecoder);\n                  } else {\n                    skipScalingList(64, expGolombDecoder);\n                  }\n                }\n              }\n            }\n          }\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // log2_max_frame_num_minus4\n\n          picOrderCntType = expGolombDecoder.readUnsignedExpGolomb();\n\n          if (picOrderCntType === 0) {\n            expGolombDecoder.readUnsignedExpGolomb(); // log2_max_pic_order_cnt_lsb_minus4\n          } else if (picOrderCntType === 1) {\n            expGolombDecoder.skipBits(1); // delta_pic_order_always_zero_flag\n\n            expGolombDecoder.skipExpGolomb(); // offset_for_non_ref_pic\n\n            expGolombDecoder.skipExpGolomb(); // offset_for_top_to_bottom_field\n\n            numRefFramesInPicOrderCntCycle = expGolombDecoder.readUnsignedExpGolomb();\n\n            for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n              expGolombDecoder.skipExpGolomb(); // offset_for_ref_frame[ i ]\n            }\n          }\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // max_num_ref_frames\n\n          expGolombDecoder.skipBits(1); // gaps_in_frame_num_value_allowed_flag\n\n          picWidthInMbsMinus1 = expGolombDecoder.readUnsignedExpGolomb();\n          picHeightInMapUnitsMinus1 = expGolombDecoder.readUnsignedExpGolomb();\n          frameMbsOnlyFlag = expGolombDecoder.readBits(1);\n\n          if (frameMbsOnlyFlag === 0) {\n            expGolombDecoder.skipBits(1); // mb_adaptive_frame_field_flag\n          }\n\n          expGolombDecoder.skipBits(1); // direct_8x8_inference_flag\n\n          if (expGolombDecoder.readBoolean()) {\n            // frame_cropping_flag\n            frameCropLeftOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropRightOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropTopOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropBottomOffset = expGolombDecoder.readUnsignedExpGolomb();\n          }\n\n          if (expGolombDecoder.readBoolean()) {\n            // vui_parameters_present_flag\n            if (expGolombDecoder.readBoolean()) {\n              // aspect_ratio_info_present_flag\n              aspectRatioIdc = expGolombDecoder.readUnsignedByte();\n\n              switch (aspectRatioIdc) {\n                case 1:\n                  sarRatio = [1, 1];\n                  break;\n\n                case 2:\n                  sarRatio = [12, 11];\n                  break;\n\n                case 3:\n                  sarRatio = [10, 11];\n                  break;\n\n                case 4:\n                  sarRatio = [16, 11];\n                  break;\n\n                case 5:\n                  sarRatio = [40, 33];\n                  break;\n\n                case 6:\n                  sarRatio = [24, 11];\n                  break;\n\n                case 7:\n                  sarRatio = [20, 11];\n                  break;\n\n                case 8:\n                  sarRatio = [32, 11];\n                  break;\n\n                case 9:\n                  sarRatio = [80, 33];\n                  break;\n\n                case 10:\n                  sarRatio = [18, 11];\n                  break;\n\n                case 11:\n                  sarRatio = [15, 11];\n                  break;\n\n                case 12:\n                  sarRatio = [64, 33];\n                  break;\n\n                case 13:\n                  sarRatio = [160, 99];\n                  break;\n\n                case 14:\n                  sarRatio = [4, 3];\n                  break;\n\n                case 15:\n                  sarRatio = [3, 2];\n                  break;\n\n                case 16:\n                  sarRatio = [2, 1];\n                  break;\n\n                case 255:\n                  {\n                    sarRatio = [expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte(), expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte()];\n                    break;\n                  }\n              }\n\n              if (sarRatio) {\n                sarScale = sarRatio[0] / sarRatio[1];\n              }\n            }\n          }\n\n          return {\n            profileIdc: profileIdc,\n            levelIdc: levelIdc,\n            profileCompatibility: profileCompatibility,\n            width: Math.ceil(((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2) * sarScale),\n            height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - frameCropTopOffset * 2 - frameCropBottomOffset * 2,\n            sarRatio: sarRatio\n          };\n        };\n      };\n\n      _H264Stream.prototype = new stream();\n      var h264 = {\n        H264Stream: _H264Stream,\n        NalByteStream: _NalByteStream\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Utilities to detect basic properties and metadata about Aac data.\n       */\n\n      var ADTS_SAMPLING_FREQUENCIES$1 = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n\n      var isLikelyAacData = function isLikelyAacData(data) {\n        if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {\n          return true;\n        }\n\n        return false;\n      };\n\n      var parseSyncSafeInteger$1 = function parseSyncSafeInteger(data) {\n        return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n      }; // return a percent-encoded representation of the specified byte range\n      // @see http://en.wikipedia.org/wiki/Percent-encoding\n\n\n      var percentEncode$1 = function percentEncode(bytes, start, end) {\n        var i,\n            result = '';\n\n        for (i = start; i < end; i++) {\n          result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n        }\n\n        return result;\n      }; // return the string representation of the specified byte range,\n      // interpreted as ISO-8859-1.\n\n\n      var parseIso88591$1 = function parseIso88591(bytes, start, end) {\n        return unescape(percentEncode$1(bytes, start, end)); // jshint ignore:line\n      };\n\n      var parseId3TagSize = function parseId3TagSize(header, byteIndex) {\n        var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],\n            flags = header[byteIndex + 5],\n            footerPresent = (flags & 16) >> 4;\n\n        if (footerPresent) {\n          return returnSize + 20;\n        }\n\n        return returnSize + 10;\n      };\n\n      var parseAdtsSize = function parseAdtsSize(header, byteIndex) {\n        var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,\n            middle = header[byteIndex + 4] << 3,\n            highTwo = header[byteIndex + 3] & 0x3 << 11;\n        return highTwo | middle | lowThree;\n      };\n\n      var parseType = function parseType(header, byteIndex) {\n        if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {\n          return 'timed-metadata';\n        } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {\n          return 'audio';\n        }\n\n        return null;\n      };\n\n      var parseSampleRate = function parseSampleRate(packet) {\n        var i = 0;\n\n        while (i + 5 < packet.length) {\n          if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {\n            // If a valid header was not found,  jump one forward and attempt to\n            // find a valid ADTS header starting at the next byte\n            i++;\n            continue;\n          }\n\n          return ADTS_SAMPLING_FREQUENCIES$1[(packet[i + 2] & 0x3c) >>> 2];\n        }\n\n        return null;\n      };\n\n      var parseAacTimestamp = function parseAacTimestamp(packet) {\n        var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag\n\n        frameStart = 10;\n\n        if (packet[5] & 0x40) {\n          // advance the frame start past the extended header\n          frameStart += 4; // header size field\n\n          frameStart += parseSyncSafeInteger$1(packet.subarray(10, 14));\n        } // parse one or more ID3 frames\n        // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n        do {\n          // determine the number of bytes in this frame\n          frameSize = parseSyncSafeInteger$1(packet.subarray(frameStart + 4, frameStart + 8));\n\n          if (frameSize < 1) {\n            return null;\n          }\n\n          frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);\n\n          if (frameHeader === 'PRIV') {\n            frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);\n\n            for (var i = 0; i < frame.byteLength; i++) {\n              if (frame[i] === 0) {\n                var owner = parseIso88591$1(frame, 0, i);\n\n                if (owner === 'com.apple.streaming.transportStreamTimestamp') {\n                  var d = frame.subarray(i + 1);\n                  var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n                  size *= 4;\n                  size += d[7] & 0x03;\n                  return size;\n                }\n\n                break;\n              }\n            }\n          }\n\n          frameStart += 10; // advance past the frame header\n\n          frameStart += frameSize; // advance past the frame body\n        } while (frameStart < packet.byteLength);\n\n        return null;\n      };\n\n      var utils = {\n        isLikelyAacData: isLikelyAacData,\n        parseId3TagSize: parseId3TagSize,\n        parseAdtsSize: parseAdtsSize,\n        parseType: parseType,\n        parseSampleRate: parseSampleRate,\n        parseAacTimestamp: parseAacTimestamp\n      }; // Constants\n\n      var _AacStream;\n      /**\n       * Splits an incoming stream of binary data into ADTS and ID3 Frames.\n       */\n\n\n      _AacStream = function AacStream() {\n        var everything = new Uint8Array(),\n            timeStamp = 0;\n\n        _AacStream.prototype.init.call(this);\n\n        this.setTimestamp = function (timestamp) {\n          timeStamp = timestamp;\n        };\n\n        this.push = function (bytes) {\n          var frameSize = 0,\n              byteIndex = 0,\n              bytesLeft,\n              chunk,\n              packet,\n              tempLength; // If there are bytes remaining from the last segment, prepend them to the\n          // bytes that were pushed in\n\n          if (everything.length) {\n            tempLength = everything.length;\n            everything = new Uint8Array(bytes.byteLength + tempLength);\n            everything.set(everything.subarray(0, tempLength));\n            everything.set(bytes, tempLength);\n          } else {\n            everything = bytes;\n          }\n\n          while (everything.length - byteIndex >= 3) {\n            if (everything[byteIndex] === 'I'.charCodeAt(0) && everything[byteIndex + 1] === 'D'.charCodeAt(0) && everything[byteIndex + 2] === '3'.charCodeAt(0)) {\n              // Exit early because we don't have enough to parse\n              // the ID3 tag header\n              if (everything.length - byteIndex < 10) {\n                break;\n              } // check framesize\n\n\n              frameSize = utils.parseId3TagSize(everything, byteIndex); // Exit early if we don't have enough in the buffer\n              // to emit a full packet\n              // Add to byteIndex to support multiple ID3 tags in sequence\n\n              if (byteIndex + frameSize > everything.length) {\n                break;\n              }\n\n              chunk = {\n                type: 'timed-metadata',\n                data: everything.subarray(byteIndex, byteIndex + frameSize)\n              };\n              this.trigger('data', chunk);\n              byteIndex += frameSize;\n              continue;\n            } else if ((everything[byteIndex] & 0xff) === 0xff && (everything[byteIndex + 1] & 0xf0) === 0xf0) {\n              // Exit early because we don't have enough to parse\n              // the ADTS frame header\n              if (everything.length - byteIndex < 7) {\n                break;\n              }\n\n              frameSize = utils.parseAdtsSize(everything, byteIndex); // Exit early if we don't have enough in the buffer\n              // to emit a full packet\n\n              if (byteIndex + frameSize > everything.length) {\n                break;\n              }\n\n              packet = {\n                type: 'audio',\n                data: everything.subarray(byteIndex, byteIndex + frameSize),\n                pts: timeStamp,\n                dts: timeStamp\n              };\n              this.trigger('data', packet);\n              byteIndex += frameSize;\n              continue;\n            }\n\n            byteIndex++;\n          }\n\n          bytesLeft = everything.length - byteIndex;\n\n          if (bytesLeft > 0) {\n            everything = everything.subarray(byteIndex);\n          } else {\n            everything = new Uint8Array();\n          }\n        };\n\n        this.reset = function () {\n          everything = new Uint8Array();\n          this.trigger('reset');\n        };\n\n        this.endTimeline = function () {\n          everything = new Uint8Array();\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _AacStream.prototype = new stream();\n      var aac = _AacStream;\n      var H264Stream = h264.H264Stream;\n      var isLikelyAacData$1 = utils.isLikelyAacData;\n      var ONE_SECOND_IN_TS$3 = clock.ONE_SECOND_IN_TS; // constants\n\n      var AUDIO_PROPERTIES = ['audioobjecttype', 'channelcount', 'samplerate', 'samplingfrequencyindex', 'samplesize'];\n      var VIDEO_PROPERTIES = ['width', 'height', 'profileIdc', 'levelIdc', 'profileCompatibility', 'sarRatio']; // object types\n\n      var _VideoSegmentStream, _AudioSegmentStream, _Transmuxer, _CoalesceStream;\n      /**\n       * Compare two arrays (even typed) for same-ness\n       */\n\n\n      var arrayEquals = function arrayEquals(a, b) {\n        var i;\n\n        if (a.length !== b.length) {\n          return false;\n        } // compare the value of each element in the array\n\n\n        for (i = 0; i < a.length; i++) {\n          if (a[i] !== b[i]) {\n            return false;\n          }\n        }\n\n        return true;\n      };\n\n      var generateVideoSegmentTimingInfo = function generateVideoSegmentTimingInfo(baseMediaDecodeTime, startDts, startPts, endDts, endPts, prependedContentDuration) {\n        var ptsOffsetFromDts = startPts - startDts,\n            decodeDuration = endDts - startDts,\n            presentationDuration = endPts - startPts; // The PTS and DTS values are based on the actual stream times from the segment,\n        // however, the player time values will reflect a start from the baseMediaDecodeTime.\n        // In order to provide relevant values for the player times, base timing info on the\n        // baseMediaDecodeTime and the DTS and PTS durations of the segment.\n\n        return {\n          start: {\n            dts: baseMediaDecodeTime,\n            pts: baseMediaDecodeTime + ptsOffsetFromDts\n          },\n          end: {\n            dts: baseMediaDecodeTime + decodeDuration,\n            pts: baseMediaDecodeTime + presentationDuration\n          },\n          prependedContentDuration: prependedContentDuration,\n          baseMediaDecodeTime: baseMediaDecodeTime\n        };\n      };\n      /**\n       * Constructs a single-track, ISO BMFF media segment from AAC data\n       * events. The output of this stream can be fed to a SourceBuffer\n       * configured with a suitable initialization segment.\n       * @param track {object} track metadata configuration\n       * @param options {object} transmuxer options object\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n\n      _AudioSegmentStream = function AudioSegmentStream(track, options) {\n        var adtsFrames = [],\n            sequenceNumber = 0,\n            earliestAllowedDts = 0,\n            audioAppendStartTs = 0,\n            videoBaseMediaDecodeTime = Infinity;\n        options = options || {};\n\n        _AudioSegmentStream.prototype.init.call(this);\n\n        this.push = function (data) {\n          trackDecodeInfo.collectDtsInfo(track, data);\n\n          if (track) {\n            AUDIO_PROPERTIES.forEach(function (prop) {\n              track[prop] = data[prop];\n            });\n          } // buffer audio data until end() is called\n\n\n          adtsFrames.push(data);\n        };\n\n        this.setEarliestDts = function (earliestDts) {\n          earliestAllowedDts = earliestDts - track.timelineStartInfo.baseMediaDecodeTime;\n        };\n\n        this.setVideoBaseMediaDecodeTime = function (baseMediaDecodeTime) {\n          videoBaseMediaDecodeTime = baseMediaDecodeTime;\n        };\n\n        this.setAudioAppendStart = function (timestamp) {\n          audioAppendStartTs = timestamp;\n        };\n\n        this.flush = function () {\n          var frames, moof, mdat, boxes, frameDuration; // return early if no audio data has been observed\n\n          if (adtsFrames.length === 0) {\n            this.trigger('done', 'AudioSegmentStream');\n            return;\n          }\n\n          frames = audioFrameUtils.trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts);\n          track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);\n          audioFrameUtils.prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime); // we have to build the index from byte locations to\n          // samples (that is, adts frames) in the audio data\n\n          track.samples = audioFrameUtils.generateSampleTable(frames); // concatenate the audio data to constuct the mdat\n\n          mdat = mp4Generator.mdat(audioFrameUtils.concatenateFrameData(frames));\n          adtsFrames = [];\n          moof = mp4Generator.moof(sequenceNumber, [track]);\n          boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // bump the sequence number for next time\n\n          sequenceNumber++;\n          boxes.set(moof);\n          boxes.set(mdat, moof.byteLength);\n          trackDecodeInfo.clearDtsInfo(track);\n          frameDuration = Math.ceil(ONE_SECOND_IN_TS$3 * 1024 / track.samplerate); // TODO this check was added to maintain backwards compatibility (particularly with\n          // tests) on adding the timingInfo event. However, it seems unlikely that there's a\n          // valid use-case where an init segment/data should be triggered without associated\n          // frames. Leaving for now, but should be looked into.\n\n          if (frames.length) {\n            this.trigger('timingInfo', {\n              start: frames[0].pts,\n              end: frames[0].pts + frames.length * frameDuration\n            });\n          }\n\n          this.trigger('data', {\n            track: track,\n            boxes: boxes\n          });\n          this.trigger('done', 'AudioSegmentStream');\n        };\n\n        this.reset = function () {\n          trackDecodeInfo.clearDtsInfo(track);\n          adtsFrames = [];\n          this.trigger('reset');\n        };\n      };\n\n      _AudioSegmentStream.prototype = new stream();\n      /**\n       * Constructs a single-track, ISO BMFF media segment from H264 data\n       * events. The output of this stream can be fed to a SourceBuffer\n       * configured with a suitable initialization segment.\n       * @param track {object} track metadata configuration\n       * @param options {object} transmuxer options object\n       * @param options.alignGopsAtEnd {boolean} If true, start from the end of the\n       *        gopsToAlignWith list when attempting to align gop pts\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n      _VideoSegmentStream = function VideoSegmentStream(track, options) {\n        var sequenceNumber = 0,\n            nalUnits = [],\n            gopsToAlignWith = [],\n            config,\n            pps;\n        options = options || {};\n\n        _VideoSegmentStream.prototype.init.call(this);\n\n        delete track.minPTS;\n        this.gopCache_ = [];\n        /**\n          * Constructs a ISO BMFF segment given H264 nalUnits\n          * @param {Object} nalUnit A data event representing a nalUnit\n          * @param {String} nalUnit.nalUnitType\n          * @param {Object} nalUnit.config Properties for a mp4 track\n          * @param {Uint8Array} nalUnit.data The nalUnit bytes\n          * @see lib/codecs/h264.js\n         **/\n\n        this.push = function (nalUnit) {\n          trackDecodeInfo.collectDtsInfo(track, nalUnit); // record the track config\n\n          if (nalUnit.nalUnitType === 'seq_parameter_set_rbsp' && !config) {\n            config = nalUnit.config;\n            track.sps = [nalUnit.data];\n            VIDEO_PROPERTIES.forEach(function (prop) {\n              track[prop] = config[prop];\n            }, this);\n          }\n\n          if (nalUnit.nalUnitType === 'pic_parameter_set_rbsp' && !pps) {\n            pps = nalUnit.data;\n            track.pps = [nalUnit.data];\n          } // buffer video until flush() is called\n\n\n          nalUnits.push(nalUnit);\n        };\n        /**\n          * Pass constructed ISO BMFF track and boxes on to the\n          * next stream in the pipeline\n         **/\n\n\n        this.flush = function () {\n          var frames,\n              gopForFusion,\n              gops,\n              moof,\n              mdat,\n              boxes,\n              prependedContentDuration = 0,\n              firstGop,\n              lastGop; // Throw away nalUnits at the start of the byte stream until\n          // we find the first AUD\n\n          while (nalUnits.length) {\n            if (nalUnits[0].nalUnitType === 'access_unit_delimiter_rbsp') {\n              break;\n            }\n\n            nalUnits.shift();\n          } // Return early if no video data has been observed\n\n\n          if (nalUnits.length === 0) {\n            this.resetStream_();\n            this.trigger('done', 'VideoSegmentStream');\n            return;\n          } // Organize the raw nal-units into arrays that represent\n          // higher-level constructs such as frames and gops\n          // (group-of-pictures)\n\n\n          frames = frameUtils.groupNalsIntoFrames(nalUnits);\n          gops = frameUtils.groupFramesIntoGops(frames); // If the first frame of this fragment is not a keyframe we have\n          // a problem since MSE (on Chrome) requires a leading keyframe.\n          //\n          // We have two approaches to repairing this situation:\n          // 1) GOP-FUSION:\n          //    This is where we keep track of the GOPS (group-of-pictures)\n          //    from previous fragments and attempt to find one that we can\n          //    prepend to the current fragment in order to create a valid\n          //    fragment.\n          // 2) KEYFRAME-PULLING:\n          //    Here we search for the first keyframe in the fragment and\n          //    throw away all the frames between the start of the fragment\n          //    and that keyframe. We then extend the duration and pull the\n          //    PTS of the keyframe forward so that it covers the time range\n          //    of the frames that were disposed of.\n          //\n          // #1 is far prefereable over #2 which can cause \"stuttering\" but\n          // requires more things to be just right.\n\n          if (!gops[0][0].keyFrame) {\n            // Search for a gop for fusion from our gopCache\n            gopForFusion = this.getGopForFusion_(nalUnits[0], track);\n\n            if (gopForFusion) {\n              // in order to provide more accurate timing information about the segment, save\n              // the number of seconds prepended to the original segment due to GOP fusion\n              prependedContentDuration = gopForFusion.duration;\n              gops.unshift(gopForFusion); // Adjust Gops' metadata to account for the inclusion of the\n              // new gop at the beginning\n\n              gops.byteLength += gopForFusion.byteLength;\n              gops.nalCount += gopForFusion.nalCount;\n              gops.pts = gopForFusion.pts;\n              gops.dts = gopForFusion.dts;\n              gops.duration += gopForFusion.duration;\n            } else {\n              // If we didn't find a candidate gop fall back to keyframe-pulling\n              gops = frameUtils.extendFirstKeyFrame(gops);\n            }\n          } // Trim gops to align with gopsToAlignWith\n\n\n          if (gopsToAlignWith.length) {\n            var alignedGops;\n\n            if (options.alignGopsAtEnd) {\n              alignedGops = this.alignGopsAtEnd_(gops);\n            } else {\n              alignedGops = this.alignGopsAtStart_(gops);\n            }\n\n            if (!alignedGops) {\n              // save all the nals in the last GOP into the gop cache\n              this.gopCache_.unshift({\n                gop: gops.pop(),\n                pps: track.pps,\n                sps: track.sps\n              }); // Keep a maximum of 6 GOPs in the cache\n\n              this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits\n\n              nalUnits = []; // return early no gops can be aligned with desired gopsToAlignWith\n\n              this.resetStream_();\n              this.trigger('done', 'VideoSegmentStream');\n              return;\n            } // Some gops were trimmed. clear dts info so minSegmentDts and pts are correct\n            // when recalculated before sending off to CoalesceStream\n\n\n            trackDecodeInfo.clearDtsInfo(track);\n            gops = alignedGops;\n          }\n\n          trackDecodeInfo.collectDtsInfo(track, gops); // First, we have to build the index from byte locations to\n          // samples (that is, frames) in the video data\n\n          track.samples = frameUtils.generateSampleTable(gops); // Concatenate the video data and construct the mdat\n\n          mdat = mp4Generator.mdat(frameUtils.concatenateNalData(gops));\n          track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);\n          this.trigger('processedGopsInfo', gops.map(function (gop) {\n            return {\n              pts: gop.pts,\n              dts: gop.dts,\n              byteLength: gop.byteLength\n            };\n          }));\n          firstGop = gops[0];\n          lastGop = gops[gops.length - 1];\n          this.trigger('segmentTimingInfo', generateVideoSegmentTimingInfo(track.baseMediaDecodeTime, firstGop.dts, firstGop.pts, lastGop.dts + lastGop.duration, lastGop.pts + lastGop.duration, prependedContentDuration));\n          this.trigger('timingInfo', {\n            start: gops[0].pts,\n            end: gops[gops.length - 1].pts + gops[gops.length - 1].duration\n          }); // save all the nals in the last GOP into the gop cache\n\n          this.gopCache_.unshift({\n            gop: gops.pop(),\n            pps: track.pps,\n            sps: track.sps\n          }); // Keep a maximum of 6 GOPs in the cache\n\n          this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits\n\n          nalUnits = [];\n          this.trigger('baseMediaDecodeTime', track.baseMediaDecodeTime);\n          this.trigger('timelineStartInfo', track.timelineStartInfo);\n          moof = mp4Generator.moof(sequenceNumber, [track]); // it would be great to allocate this array up front instead of\n          // throwing away hundreds of media segment fragments\n\n          boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // Bump the sequence number for next time\n\n          sequenceNumber++;\n          boxes.set(moof);\n          boxes.set(mdat, moof.byteLength);\n          this.trigger('data', {\n            track: track,\n            boxes: boxes\n          });\n          this.resetStream_(); // Continue with the flush process now\n\n          this.trigger('done', 'VideoSegmentStream');\n        };\n\n        this.reset = function () {\n          this.resetStream_();\n          nalUnits = [];\n          this.gopCache_.length = 0;\n          gopsToAlignWith.length = 0;\n          this.trigger('reset');\n        };\n\n        this.resetStream_ = function () {\n          trackDecodeInfo.clearDtsInfo(track); // reset config and pps because they may differ across segments\n          // for instance, when we are rendition switching\n\n          config = undefined;\n          pps = undefined;\n        }; // Search for a candidate Gop for gop-fusion from the gop cache and\n        // return it or return null if no good candidate was found\n\n\n        this.getGopForFusion_ = function (nalUnit) {\n          var halfSecond = 45000,\n              // Half-a-second in a 90khz clock\n          allowableOverlap = 10000,\n              // About 3 frames @ 30fps\n          nearestDistance = Infinity,\n              dtsDistance,\n              nearestGopObj,\n              currentGop,\n              currentGopObj,\n              i; // Search for the GOP nearest to the beginning of this nal unit\n\n          for (i = 0; i < this.gopCache_.length; i++) {\n            currentGopObj = this.gopCache_[i];\n            currentGop = currentGopObj.gop; // Reject Gops with different SPS or PPS\n\n            if (!(track.pps && arrayEquals(track.pps[0], currentGopObj.pps[0])) || !(track.sps && arrayEquals(track.sps[0], currentGopObj.sps[0]))) {\n              continue;\n            } // Reject Gops that would require a negative baseMediaDecodeTime\n\n\n            if (currentGop.dts < track.timelineStartInfo.dts) {\n              continue;\n            } // The distance between the end of the gop and the start of the nalUnit\n\n\n            dtsDistance = nalUnit.dts - currentGop.dts - currentGop.duration; // Only consider GOPS that start before the nal unit and end within\n            // a half-second of the nal unit\n\n            if (dtsDistance >= -allowableOverlap && dtsDistance <= halfSecond) {\n              // Always use the closest GOP we found if there is more than\n              // one candidate\n              if (!nearestGopObj || nearestDistance > dtsDistance) {\n                nearestGopObj = currentGopObj;\n                nearestDistance = dtsDistance;\n              }\n            }\n          }\n\n          if (nearestGopObj) {\n            return nearestGopObj.gop;\n          }\n\n          return null;\n        }; // trim gop list to the first gop found that has a matching pts with a gop in the list\n        // of gopsToAlignWith starting from the START of the list\n\n\n        this.alignGopsAtStart_ = function (gops) {\n          var alignIndex, gopIndex, align, gop, byteLength, nalCount, duration, alignedGops;\n          byteLength = gops.byteLength;\n          nalCount = gops.nalCount;\n          duration = gops.duration;\n          alignIndex = gopIndex = 0;\n\n          while (alignIndex < gopsToAlignWith.length && gopIndex < gops.length) {\n            align = gopsToAlignWith[alignIndex];\n            gop = gops[gopIndex];\n\n            if (align.pts === gop.pts) {\n              break;\n            }\n\n            if (gop.pts > align.pts) {\n              // this current gop starts after the current gop we want to align on, so increment\n              // align index\n              alignIndex++;\n              continue;\n            } // current gop starts before the current gop we want to align on. so increment gop\n            // index\n\n\n            gopIndex++;\n            byteLength -= gop.byteLength;\n            nalCount -= gop.nalCount;\n            duration -= gop.duration;\n          }\n\n          if (gopIndex === 0) {\n            // no gops to trim\n            return gops;\n          }\n\n          if (gopIndex === gops.length) {\n            // all gops trimmed, skip appending all gops\n            return null;\n          }\n\n          alignedGops = gops.slice(gopIndex);\n          alignedGops.byteLength = byteLength;\n          alignedGops.duration = duration;\n          alignedGops.nalCount = nalCount;\n          alignedGops.pts = alignedGops[0].pts;\n          alignedGops.dts = alignedGops[0].dts;\n          return alignedGops;\n        }; // trim gop list to the first gop found that has a matching pts with a gop in the list\n        // of gopsToAlignWith starting from the END of the list\n\n\n        this.alignGopsAtEnd_ = function (gops) {\n          var alignIndex, gopIndex, align, gop, alignEndIndex, matchFound;\n          alignIndex = gopsToAlignWith.length - 1;\n          gopIndex = gops.length - 1;\n          alignEndIndex = null;\n          matchFound = false;\n\n          while (alignIndex >= 0 && gopIndex >= 0) {\n            align = gopsToAlignWith[alignIndex];\n            gop = gops[gopIndex];\n\n            if (align.pts === gop.pts) {\n              matchFound = true;\n              break;\n            }\n\n            if (align.pts > gop.pts) {\n              alignIndex--;\n              continue;\n            }\n\n            if (alignIndex === gopsToAlignWith.length - 1) {\n              // gop.pts is greater than the last alignment candidate. If no match is found\n              // by the end of this loop, we still want to append gops that come after this\n              // point\n              alignEndIndex = gopIndex;\n            }\n\n            gopIndex--;\n          }\n\n          if (!matchFound && alignEndIndex === null) {\n            return null;\n          }\n\n          var trimIndex;\n\n          if (matchFound) {\n            trimIndex = gopIndex;\n          } else {\n            trimIndex = alignEndIndex;\n          }\n\n          if (trimIndex === 0) {\n            return gops;\n          }\n\n          var alignedGops = gops.slice(trimIndex);\n          var metadata = alignedGops.reduce(function (total, gop) {\n            total.byteLength += gop.byteLength;\n            total.duration += gop.duration;\n            total.nalCount += gop.nalCount;\n            return total;\n          }, {\n            byteLength: 0,\n            duration: 0,\n            nalCount: 0\n          });\n          alignedGops.byteLength = metadata.byteLength;\n          alignedGops.duration = metadata.duration;\n          alignedGops.nalCount = metadata.nalCount;\n          alignedGops.pts = alignedGops[0].pts;\n          alignedGops.dts = alignedGops[0].dts;\n          return alignedGops;\n        };\n\n        this.alignGopsWith = function (newGopsToAlignWith) {\n          gopsToAlignWith = newGopsToAlignWith;\n        };\n      };\n\n      _VideoSegmentStream.prototype = new stream();\n      /**\n       * A Stream that can combine multiple streams (ie. audio & video)\n       * into a single output segment for MSE. Also supports audio-only\n       * and video-only streams.\n       * @param options {object} transmuxer options object\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at media timeline start.\n       */\n\n      _CoalesceStream = function CoalesceStream(options, metadataStream) {\n        // Number of Tracks per output segment\n        // If greater than 1, we combine multiple\n        // tracks into a single segment\n        this.numberOfTracks = 0;\n        this.metadataStream = metadataStream;\n        options = options || {};\n\n        if (typeof options.remux !== 'undefined') {\n          this.remuxTracks = !!options.remux;\n        } else {\n          this.remuxTracks = true;\n        }\n\n        if (typeof options.keepOriginalTimestamps === 'boolean') {\n          this.keepOriginalTimestamps = options.keepOriginalTimestamps;\n        } else {\n          this.keepOriginalTimestamps = false;\n        }\n\n        this.pendingTracks = [];\n        this.videoTrack = null;\n        this.pendingBoxes = [];\n        this.pendingCaptions = [];\n        this.pendingMetadata = [];\n        this.pendingBytes = 0;\n        this.emittedTracks = 0;\n\n        _CoalesceStream.prototype.init.call(this); // Take output from multiple\n\n\n        this.push = function (output) {\n          // buffer incoming captions until the associated video segment\n          // finishes\n          if (output.text) {\n            return this.pendingCaptions.push(output);\n          } // buffer incoming id3 tags until the final flush\n\n\n          if (output.frames) {\n            return this.pendingMetadata.push(output);\n          } // Add this track to the list of pending tracks and store\n          // important information required for the construction of\n          // the final segment\n\n\n          this.pendingTracks.push(output.track);\n          this.pendingBytes += output.boxes.byteLength; // TODO: is there an issue for this against chrome?\n          // We unshift audio and push video because\n          // as of Chrome 75 when switching from\n          // one init segment to another if the video\n          // mdat does not appear after the audio mdat\n          // only audio will play for the duration of our transmux.\n\n          if (output.track.type === 'video') {\n            this.videoTrack = output.track;\n            this.pendingBoxes.push(output.boxes);\n          }\n\n          if (output.track.type === 'audio') {\n            this.audioTrack = output.track;\n            this.pendingBoxes.unshift(output.boxes);\n          }\n        };\n      };\n\n      _CoalesceStream.prototype = new stream();\n\n      _CoalesceStream.prototype.flush = function (flushSource) {\n        var offset = 0,\n            event = {\n          captions: [],\n          captionStreams: {},\n          metadata: [],\n          info: {}\n        },\n            caption,\n            id3,\n            initSegment,\n            timelineStartPts = 0,\n            i;\n\n        if (this.pendingTracks.length < this.numberOfTracks) {\n          if (flushSource !== 'VideoSegmentStream' && flushSource !== 'AudioSegmentStream') {\n            // Return because we haven't received a flush from a data-generating\n            // portion of the segment (meaning that we have only recieved meta-data\n            // or captions.)\n            return;\n          } else if (this.remuxTracks) {\n            // Return until we have enough tracks from the pipeline to remux (if we\n            // are remuxing audio and video into a single MP4)\n            return;\n          } else if (this.pendingTracks.length === 0) {\n            // In the case where we receive a flush without any data having been\n            // received we consider it an emitted track for the purposes of coalescing\n            // `done` events.\n            // We do this for the case where there is an audio and video track in the\n            // segment but no audio data. (seen in several playlists with alternate\n            // audio tracks and no audio present in the main TS segments.)\n            this.emittedTracks++;\n\n            if (this.emittedTracks >= this.numberOfTracks) {\n              this.trigger('done');\n              this.emittedTracks = 0;\n            }\n\n            return;\n          }\n        }\n\n        if (this.videoTrack) {\n          timelineStartPts = this.videoTrack.timelineStartInfo.pts;\n          VIDEO_PROPERTIES.forEach(function (prop) {\n            event.info[prop] = this.videoTrack[prop];\n          }, this);\n        } else if (this.audioTrack) {\n          timelineStartPts = this.audioTrack.timelineStartInfo.pts;\n          AUDIO_PROPERTIES.forEach(function (prop) {\n            event.info[prop] = this.audioTrack[prop];\n          }, this);\n        }\n\n        if (this.videoTrack || this.audioTrack) {\n          if (this.pendingTracks.length === 1) {\n            event.type = this.pendingTracks[0].type;\n          } else {\n            event.type = 'combined';\n          }\n\n          this.emittedTracks += this.pendingTracks.length;\n          initSegment = mp4Generator.initSegment(this.pendingTracks); // Create a new typed array to hold the init segment\n\n          event.initSegment = new Uint8Array(initSegment.byteLength); // Create an init segment containing a moov\n          // and track definitions\n\n          event.initSegment.set(initSegment); // Create a new typed array to hold the moof+mdats\n\n          event.data = new Uint8Array(this.pendingBytes); // Append each moof+mdat (one per track) together\n\n          for (i = 0; i < this.pendingBoxes.length; i++) {\n            event.data.set(this.pendingBoxes[i], offset);\n            offset += this.pendingBoxes[i].byteLength;\n          } // Translate caption PTS times into second offsets to match the\n          // video timeline for the segment, and add track info\n\n\n          for (i = 0; i < this.pendingCaptions.length; i++) {\n            caption = this.pendingCaptions[i];\n            caption.startTime = clock.metadataTsToSeconds(caption.startPts, timelineStartPts, this.keepOriginalTimestamps);\n            caption.endTime = clock.metadataTsToSeconds(caption.endPts, timelineStartPts, this.keepOriginalTimestamps);\n            event.captionStreams[caption.stream] = true;\n            event.captions.push(caption);\n          } // Translate ID3 frame PTS times into second offsets to match the\n          // video timeline for the segment\n\n\n          for (i = 0; i < this.pendingMetadata.length; i++) {\n            id3 = this.pendingMetadata[i];\n            id3.cueTime = clock.metadataTsToSeconds(id3.pts, timelineStartPts, this.keepOriginalTimestamps);\n            event.metadata.push(id3);\n          } // We add this to every single emitted segment even though we only need\n          // it for the first\n\n\n          event.metadata.dispatchType = this.metadataStream.dispatchType; // Reset stream state\n\n          this.pendingTracks.length = 0;\n          this.videoTrack = null;\n          this.pendingBoxes.length = 0;\n          this.pendingCaptions.length = 0;\n          this.pendingBytes = 0;\n          this.pendingMetadata.length = 0; // Emit the built segment\n          // We include captions and ID3 tags for backwards compatibility,\n          // ideally we should send only video and audio in the data event\n\n          this.trigger('data', event); // Emit each caption to the outside world\n          // Ideally, this would happen immediately on parsing captions,\n          // but we need to ensure that video data is sent back first\n          // so that caption timing can be adjusted to match video timing\n\n          for (i = 0; i < event.captions.length; i++) {\n            caption = event.captions[i];\n            this.trigger('caption', caption);\n          } // Emit each id3 tag to the outside world\n          // Ideally, this would happen immediately on parsing the tag,\n          // but we need to ensure that video data is sent back first\n          // so that ID3 frame timing can be adjusted to match video timing\n\n\n          for (i = 0; i < event.metadata.length; i++) {\n            id3 = event.metadata[i];\n            this.trigger('id3Frame', id3);\n          }\n        } // Only emit `done` if all tracks have been flushed and emitted\n\n\n        if (this.emittedTracks >= this.numberOfTracks) {\n          this.trigger('done');\n          this.emittedTracks = 0;\n        }\n      };\n\n      _CoalesceStream.prototype.setRemux = function (val) {\n        this.remuxTracks = val;\n      };\n      /**\n       * A Stream that expects MP2T binary data as input and produces\n       * corresponding media segments, suitable for use with Media Source\n       * Extension (MSE) implementations that support the ISO BMFF byte\n       * stream format, like Chrome.\n       */\n\n\n      _Transmuxer = function Transmuxer(options) {\n        var self = this,\n            hasFlushed = true,\n            videoTrack,\n            audioTrack;\n\n        _Transmuxer.prototype.init.call(this);\n\n        options = options || {};\n        this.baseMediaDecodeTime = options.baseMediaDecodeTime || 0;\n        this.transmuxPipeline_ = {};\n\n        this.setupAacPipeline = function () {\n          var pipeline = {};\n          this.transmuxPipeline_ = pipeline;\n          pipeline.type = 'aac';\n          pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline\n\n          pipeline.aacStream = new aac();\n          pipeline.audioTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('audio');\n          pipeline.timedMetadataTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('timed-metadata');\n          pipeline.adtsStream = new adts();\n          pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);\n          pipeline.headOfPipeline = pipeline.aacStream;\n          pipeline.aacStream.pipe(pipeline.audioTimestampRolloverStream).pipe(pipeline.adtsStream);\n          pipeline.aacStream.pipe(pipeline.timedMetadataTimestampRolloverStream).pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream);\n          pipeline.metadataStream.on('timestamp', function (frame) {\n            pipeline.aacStream.setTimestamp(frame.timeStamp);\n          });\n          pipeline.aacStream.on('data', function (data) {\n            if (data.type === 'timed-metadata' && !pipeline.audioSegmentStream) {\n              audioTrack = audioTrack || {\n                timelineStartInfo: {\n                  baseMediaDecodeTime: self.baseMediaDecodeTime\n                },\n                codec: 'adts',\n                type: 'audio'\n              }; // hook up the audio segment stream to the first track with aac data\n\n              pipeline.coalesceStream.numberOfTracks++;\n              pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);\n              pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline\n\n              pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);\n            } // emit pmt info\n\n\n            self.trigger('trackinfo', {\n              hasAudio: !!audioTrack,\n              hasVideo: !!videoTrack\n            });\n          }); // Re-emit any data coming from the coalesce stream to the outside world\n\n          pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data')); // Let the consumer know we have finished flushing the entire pipeline\n\n          pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));\n        };\n\n        this.setupTsPipeline = function () {\n          var pipeline = {};\n          this.transmuxPipeline_ = pipeline;\n          pipeline.type = 'ts';\n          pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline\n\n          pipeline.packetStream = new m2ts_1.TransportPacketStream();\n          pipeline.parseStream = new m2ts_1.TransportParseStream();\n          pipeline.elementaryStream = new m2ts_1.ElementaryStream();\n          pipeline.timestampRolloverStream = new m2ts_1.TimestampRolloverStream();\n          pipeline.adtsStream = new adts();\n          pipeline.h264Stream = new H264Stream();\n          pipeline.captionStream = new m2ts_1.CaptionStream();\n          pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);\n          pipeline.headOfPipeline = pipeline.packetStream; // disassemble MPEG2-TS packets into elementary streams\n\n          pipeline.packetStream.pipe(pipeline.parseStream).pipe(pipeline.elementaryStream).pipe(pipeline.timestampRolloverStream); // !!THIS ORDER IS IMPORTANT!!\n          // demux the streams\n\n          pipeline.timestampRolloverStream.pipe(pipeline.h264Stream);\n          pipeline.timestampRolloverStream.pipe(pipeline.adtsStream);\n          pipeline.timestampRolloverStream.pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream); // Hook up CEA-608/708 caption stream\n\n          pipeline.h264Stream.pipe(pipeline.captionStream).pipe(pipeline.coalesceStream);\n          pipeline.elementaryStream.on('data', function (data) {\n            var i;\n\n            if (data.type === 'metadata') {\n              i = data.tracks.length; // scan the tracks listed in the metadata\n\n              while (i--) {\n                if (!videoTrack && data.tracks[i].type === 'video') {\n                  videoTrack = data.tracks[i];\n                  videoTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;\n                } else if (!audioTrack && data.tracks[i].type === 'audio') {\n                  audioTrack = data.tracks[i];\n                  audioTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;\n                }\n              } // hook up the video segment stream to the first track with h264 data\n\n\n              if (videoTrack && !pipeline.videoSegmentStream) {\n                pipeline.coalesceStream.numberOfTracks++;\n                pipeline.videoSegmentStream = new _VideoSegmentStream(videoTrack, options);\n                pipeline.videoSegmentStream.on('timelineStartInfo', function (timelineStartInfo) {\n                  // When video emits timelineStartInfo data after a flush, we forward that\n                  // info to the AudioSegmentStream, if it exists, because video timeline\n                  // data takes precedence.\n                  if (audioTrack) {\n                    audioTrack.timelineStartInfo = timelineStartInfo; // On the first segment we trim AAC frames that exist before the\n                    // very earliest DTS we have seen in video because Chrome will\n                    // interpret any video track with a baseMediaDecodeTime that is\n                    // non-zero as a gap.\n\n                    pipeline.audioSegmentStream.setEarliestDts(timelineStartInfo.dts);\n                  }\n                });\n                pipeline.videoSegmentStream.on('processedGopsInfo', self.trigger.bind(self, 'gopInfo'));\n                pipeline.videoSegmentStream.on('segmentTimingInfo', self.trigger.bind(self, 'videoSegmentTimingInfo'));\n                pipeline.videoSegmentStream.on('baseMediaDecodeTime', function (baseMediaDecodeTime) {\n                  if (audioTrack) {\n                    pipeline.audioSegmentStream.setVideoBaseMediaDecodeTime(baseMediaDecodeTime);\n                  }\n                });\n                pipeline.videoSegmentStream.on('timingInfo', self.trigger.bind(self, 'videoTimingInfo')); // Set up the final part of the video pipeline\n\n                pipeline.h264Stream.pipe(pipeline.videoSegmentStream).pipe(pipeline.coalesceStream);\n              }\n\n              if (audioTrack && !pipeline.audioSegmentStream) {\n                // hook up the audio segment stream to the first track with aac data\n                pipeline.coalesceStream.numberOfTracks++;\n                pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);\n                pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline\n\n                pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);\n              } // emit pmt info\n\n\n              self.trigger('trackinfo', {\n                hasAudio: !!audioTrack,\n                hasVideo: !!videoTrack\n              });\n            }\n          }); // Re-emit any data coming from the coalesce stream to the outside world\n\n          pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data'));\n          pipeline.coalesceStream.on('id3Frame', function (id3Frame) {\n            id3Frame.dispatchType = pipeline.metadataStream.dispatchType;\n            self.trigger('id3Frame', id3Frame);\n          });\n          pipeline.coalesceStream.on('caption', this.trigger.bind(this, 'caption')); // Let the consumer know we have finished flushing the entire pipeline\n\n          pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));\n        }; // hook up the segment streams once track metadata is delivered\n\n\n        this.setBaseMediaDecodeTime = function (baseMediaDecodeTime) {\n          var pipeline = this.transmuxPipeline_;\n\n          if (!options.keepOriginalTimestamps) {\n            this.baseMediaDecodeTime = baseMediaDecodeTime;\n          }\n\n          if (audioTrack) {\n            audioTrack.timelineStartInfo.dts = undefined;\n            audioTrack.timelineStartInfo.pts = undefined;\n            trackDecodeInfo.clearDtsInfo(audioTrack);\n\n            if (!options.keepOriginalTimestamps) {\n              audioTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;\n            }\n\n            if (pipeline.audioTimestampRolloverStream) {\n              pipeline.audioTimestampRolloverStream.discontinuity();\n            }\n          }\n\n          if (videoTrack) {\n            if (pipeline.videoSegmentStream) {\n              pipeline.videoSegmentStream.gopCache_ = [];\n            }\n\n            videoTrack.timelineStartInfo.dts = undefined;\n            videoTrack.timelineStartInfo.pts = undefined;\n            trackDecodeInfo.clearDtsInfo(videoTrack);\n            pipeline.captionStream.reset();\n\n            if (!options.keepOriginalTimestamps) {\n              videoTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;\n            }\n          }\n\n          if (pipeline.timestampRolloverStream) {\n            pipeline.timestampRolloverStream.discontinuity();\n          }\n        };\n\n        this.setAudioAppendStart = function (timestamp) {\n          if (audioTrack) {\n            this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(timestamp);\n          }\n        };\n\n        this.setRemux = function (val) {\n          var pipeline = this.transmuxPipeline_;\n          options.remux = val;\n\n          if (pipeline && pipeline.coalesceStream) {\n            pipeline.coalesceStream.setRemux(val);\n          }\n        };\n\n        this.alignGopsWith = function (gopsToAlignWith) {\n          if (videoTrack && this.transmuxPipeline_.videoSegmentStream) {\n            this.transmuxPipeline_.videoSegmentStream.alignGopsWith(gopsToAlignWith);\n          }\n        }; // feed incoming data to the front of the parsing pipeline\n\n\n        this.push = function (data) {\n          if (hasFlushed) {\n            var isAac = isLikelyAacData$1(data);\n\n            if (isAac && this.transmuxPipeline_.type !== 'aac') {\n              this.setupAacPipeline();\n            } else if (!isAac && this.transmuxPipeline_.type !== 'ts') {\n              this.setupTsPipeline();\n            }\n\n            hasFlushed = false;\n          }\n\n          this.transmuxPipeline_.headOfPipeline.push(data);\n        }; // flush any buffered data\n\n\n        this.flush = function () {\n          hasFlushed = true; // Start at the top of the pipeline and flush all pending work\n\n          this.transmuxPipeline_.headOfPipeline.flush();\n        };\n\n        this.endTimeline = function () {\n          this.transmuxPipeline_.headOfPipeline.endTimeline();\n        };\n\n        this.reset = function () {\n          if (this.transmuxPipeline_.headOfPipeline) {\n            this.transmuxPipeline_.headOfPipeline.reset();\n          }\n        }; // Caption data has to be reset when seeking outside buffered range\n\n\n        this.resetCaptions = function () {\n          if (this.transmuxPipeline_.captionStream) {\n            this.transmuxPipeline_.captionStream.reset();\n          }\n        };\n      };\n\n      _Transmuxer.prototype = new stream();\n      var transmuxer = {\n        Transmuxer: _Transmuxer,\n        VideoSegmentStream: _VideoSegmentStream,\n        AudioSegmentStream: _AudioSegmentStream,\n        AUDIO_PROPERTIES: AUDIO_PROPERTIES,\n        VIDEO_PROPERTIES: VIDEO_PROPERTIES,\n        // exported for testing\n        generateVideoSegmentTimingInfo: generateVideoSegmentTimingInfo\n      };\n\n      var classCallCheck = function classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n          throw new TypeError(\"Cannot call a class as a function\");\n        }\n      };\n\n      var createClass = function () {\n        function defineProperties(target, props) {\n          for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n          }\n        }\n\n        return function (Constructor, protoProps, staticProps) {\n          if (protoProps) defineProperties(Constructor.prototype, protoProps);\n          if (staticProps) defineProperties(Constructor, staticProps);\n          return Constructor;\n        };\n      }();\n      /**\n       * @file transmuxer-worker.js\n       */\n\n      /**\n       * Re-emits transmuxer events by converting them into messages to the\n       * world outside the worker.\n       *\n       * @param {Object} transmuxer the transmuxer to wire events on\n       * @private\n       */\n\n\n      var wireTransmuxerEvents = function wireTransmuxerEvents(self, transmuxer$$1) {\n        transmuxer$$1.on('data', function (segment) {\n          // transfer ownership of the underlying ArrayBuffer\n          // instead of doing a copy to save memory\n          // ArrayBuffers are transferable but generic TypedArrays are not\n          // @link https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers#Passing_data_by_transferring_ownership_(transferable_objects)\n          var initArray = segment.initSegment;\n          segment.initSegment = {\n            data: initArray.buffer,\n            byteOffset: initArray.byteOffset,\n            byteLength: initArray.byteLength\n          };\n          var typedArray = segment.data;\n          segment.data = typedArray.buffer;\n          self.postMessage({\n            action: 'data',\n            segment: segment,\n            byteOffset: typedArray.byteOffset,\n            byteLength: typedArray.byteLength\n          }, [segment.data]);\n        });\n\n        if (transmuxer$$1.captionStream) {\n          transmuxer$$1.captionStream.on('data', function (caption) {\n            self.postMessage({\n              action: 'caption',\n              data: caption\n            });\n          });\n        }\n\n        transmuxer$$1.on('done', function (data) {\n          self.postMessage({\n            action: 'done'\n          });\n        });\n        transmuxer$$1.on('gopInfo', function (gopInfo) {\n          self.postMessage({\n            action: 'gopInfo',\n            gopInfo: gopInfo\n          });\n        });\n        transmuxer$$1.on('videoSegmentTimingInfo', function (videoSegmentTimingInfo) {\n          self.postMessage({\n            action: 'videoSegmentTimingInfo',\n            videoSegmentTimingInfo: videoSegmentTimingInfo\n          });\n        });\n      };\n      /**\n       * All incoming messages route through this hash. If no function exists\n       * to handle an incoming message, then we ignore the message.\n       *\n       * @class MessageHandlers\n       * @param {Object} options the options to initialize with\n       */\n\n\n      var MessageHandlers = function () {\n        function MessageHandlers(self, options) {\n          classCallCheck(this, MessageHandlers);\n          this.options = options || {};\n          this.self = self;\n          this.init();\n        }\n        /**\n         * initialize our web worker and wire all the events.\n         */\n\n\n        createClass(MessageHandlers, [{\n          key: 'init',\n          value: function init() {\n            if (this.transmuxer) {\n              this.transmuxer.dispose();\n            }\n\n            this.transmuxer = new transmuxer.Transmuxer(this.options);\n            wireTransmuxerEvents(this.self, this.transmuxer);\n          }\n          /**\n           * Adds data (a ts segment) to the start of the transmuxer pipeline for\n           * processing.\n           *\n           * @param {ArrayBuffer} data data to push into the muxer\n           */\n\n        }, {\n          key: 'push',\n          value: function push(data) {\n            // Cast array buffer to correct type for transmuxer\n            var segment = new Uint8Array(data.data, data.byteOffset, data.byteLength);\n            this.transmuxer.push(segment);\n          }\n          /**\n           * Recreate the transmuxer so that the next segment added via `push`\n           * start with a fresh transmuxer.\n           */\n\n        }, {\n          key: 'reset',\n          value: function reset() {\n            this.init();\n          }\n          /**\n           * Set the value that will be used as the `baseMediaDecodeTime` time for the\n           * next segment pushed in. Subsequent segments will have their `baseMediaDecodeTime`\n           * set relative to the first based on the PTS values.\n           *\n           * @param {Object} data used to set the timestamp offset in the muxer\n           */\n\n        }, {\n          key: 'setTimestampOffset',\n          value: function setTimestampOffset(data) {\n            var timestampOffset = data.timestampOffset || 0;\n            this.transmuxer.setBaseMediaDecodeTime(Math.round(timestampOffset * 90000));\n          }\n        }, {\n          key: 'setAudioAppendStart',\n          value: function setAudioAppendStart(data) {\n            this.transmuxer.setAudioAppendStart(Math.ceil(data.appendStart * 90000));\n          }\n          /**\n           * Forces the pipeline to finish processing the last segment and emit it's\n           * results.\n           *\n           * @param {Object} data event data, not really used\n           */\n\n        }, {\n          key: 'flush',\n          value: function flush(data) {\n            this.transmuxer.flush();\n          }\n        }, {\n          key: 'resetCaptions',\n          value: function resetCaptions() {\n            this.transmuxer.resetCaptions();\n          }\n        }, {\n          key: 'alignGopsWith',\n          value: function alignGopsWith(data) {\n            this.transmuxer.alignGopsWith(data.gopsToAlignWith.slice());\n          }\n        }]);\n        return MessageHandlers;\n      }();\n      /**\n       * Our web wroker interface so that things can talk to mux.js\n       * that will be running in a web worker. the scope is passed to this by\n       * webworkify.\n       *\n       * @param {Object} self the scope for the web worker\n       */\n\n\n      var TransmuxerWorker = function TransmuxerWorker(self) {\n        self.onmessage = function (event) {\n          if (event.data.action === 'init' && event.data.options) {\n            this.messageHandlers = new MessageHandlers(self, event.data.options);\n            return;\n          }\n\n          if (!this.messageHandlers) {\n            this.messageHandlers = new MessageHandlers(self);\n          }\n\n          if (event.data && event.data.action && event.data.action !== 'init') {\n            if (this.messageHandlers[event.data.action]) {\n              this.messageHandlers[event.data.action](event.data);\n            }\n          }\n        };\n      };\n\n      var transmuxerWorker = new TransmuxerWorker(self);\n      return transmuxerWorker;\n    }();\n  });\n  /**\n   * @file - codecs.js - Handles tasks regarding codec strings such as translating them to\n   * codec strings, or translating codec strings into objects that can be examined.\n   */\n  // Default codec parameters if none were provided for video and/or audio\n\n  var defaultCodecs = {\n    videoCodec: 'avc1',\n    videoObjectTypeIndicator: '.4d400d',\n    // AAC-LC\n    audioProfile: '2'\n  };\n  /**\n   * Replace the old apple-style `avc1.<dd>.<dd>` codec string with the standard\n   * `avc1.<hhhhhh>`\n   *\n   * @param {Array} codecs an array of codec strings to fix\n   * @return {Array} the translated codec array\n   * @private\n   */\n\n  var translateLegacyCodecs = function translateLegacyCodecs(codecs) {\n    return codecs.map(function (codec) {\n      return codec.replace(/avc1\\.(\\d+)\\.(\\d+)/i, function (orig, profile, avcLevel) {\n        var profileHex = ('00' + Number(profile).toString(16)).slice(-2);\n        var avcLevelHex = ('00' + Number(avcLevel).toString(16)).slice(-2);\n        return 'avc1.' + profileHex + '00' + avcLevelHex;\n      });\n    });\n  };\n  /**\n   * Parses a codec string to retrieve the number of codecs specified,\n   * the video codec and object type indicator, and the audio profile.\n   */\n\n\n  var parseCodecs = function parseCodecs() {\n    var codecs = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';\n    var result = {\n      codecCount: 0\n    };\n    var parsed = void 0;\n    result.codecCount = codecs.split(',').length;\n    result.codecCount = result.codecCount || 2; // parse the video codec\n\n    parsed = /(^|\\s|,)+(avc[13])([^ ,]*)/i.exec(codecs);\n\n    if (parsed) {\n      result.videoCodec = parsed[2];\n      result.videoObjectTypeIndicator = parsed[3];\n    } // parse the last field of the audio codec\n\n\n    result.audioProfile = /(^|\\s|,)+mp4a.[0-9A-Fa-f]+\\.([0-9A-Fa-f]+)/i.exec(codecs);\n    result.audioProfile = result.audioProfile && result.audioProfile[2];\n    return result;\n  };\n  /**\n   * Replace codecs in the codec string with the old apple-style `avc1.<dd>.<dd>` to the\n   * standard `avc1.<hhhhhh>`.\n   *\n   * @param codecString {String} the codec string\n   * @return {String} the codec string with old apple-style codecs replaced\n   *\n   * @private\n   */\n\n\n  var mapLegacyAvcCodecs = function mapLegacyAvcCodecs(codecString) {\n    return codecString.replace(/avc1\\.(\\d+)\\.(\\d+)/i, function (match) {\n      return translateLegacyCodecs([match])[0];\n    });\n  };\n  /**\n   * Build a media mime-type string from a set of parameters\n   * @param {String} type either 'audio' or 'video'\n   * @param {String} container either 'mp2t' or 'mp4'\n   * @param {Array} codecs an array of codec strings to add\n   * @return {String} a valid media mime-type\n   */\n\n\n  var makeMimeTypeString = function makeMimeTypeString(type, container, codecs) {\n    // The codecs array is filtered so that falsey values are\n    // dropped and don't cause Array#join to create spurious\n    // commas\n    return type + '/' + container + '; codecs=\"' + codecs.filter(function (c) {\n      return !!c;\n    }).join(', ') + '\"';\n  };\n  /**\n   * Returns the type container based on information in the playlist\n   * @param {Playlist} media the current media playlist\n   * @return {String} a valid media container type\n   */\n\n\n  var getContainerType = function getContainerType(media) {\n    // An initialization segment means the media playlist is an iframe\n    // playlist or is using the mp4 container. We don't currently\n    // support iframe playlists, so assume this is signalling mp4\n    // fragments.\n    if (media.segments && media.segments.length && media.segments[0].map) {\n      return 'mp4';\n    }\n\n    return 'mp2t';\n  };\n  /**\n   * Returns a set of codec strings parsed from the playlist or the default\n   * codec strings if no codecs were specified in the playlist\n   * @param {Playlist} media the current media playlist\n   * @return {Object} an object with the video and audio codecs\n   */\n\n\n  var getCodecs = function getCodecs(media) {\n    // if the codecs were explicitly specified, use them instead of the\n    // defaults\n    var mediaAttributes = media.attributes || {};\n\n    if (mediaAttributes.CODECS) {\n      return parseCodecs(mediaAttributes.CODECS);\n    }\n\n    return defaultCodecs;\n  };\n\n  var audioProfileFromDefault = function audioProfileFromDefault(master, audioGroupId) {\n    if (!master.mediaGroups.AUDIO || !audioGroupId) {\n      return null;\n    }\n\n    var audioGroup = master.mediaGroups.AUDIO[audioGroupId];\n\n    if (!audioGroup) {\n      return null;\n    }\n\n    for (var name in audioGroup) {\n      var audioType = audioGroup[name];\n\n      if (audioType[\"default\"] && audioType.playlists) {\n        // codec should be the same for all playlists within the audio type\n        return parseCodecs(audioType.playlists[0].attributes.CODECS).audioProfile;\n      }\n    }\n\n    return null;\n  };\n  /**\n   * Calculates the MIME type strings for a working configuration of\n   * SourceBuffers to play variant streams in a master playlist. If\n   * there is no possible working configuration, an empty array will be\n   * returned.\n   *\n   * @param master {Object} the m3u8 object for the master playlist\n   * @param media {Object} the m3u8 object for the variant playlist\n   * @return {Array} the MIME type strings. If the array has more than\n   * one entry, the first element should be applied to the video\n   * SourceBuffer and the second to the audio SourceBuffer.\n   *\n   * @private\n   */\n\n\n  var mimeTypesForPlaylist = function mimeTypesForPlaylist(master, media) {\n    var containerType = getContainerType(media);\n    var codecInfo = getCodecs(media);\n    var mediaAttributes = media.attributes || {}; // Default condition for a traditional HLS (no demuxed audio/video)\n\n    var isMuxed = true;\n    var isMaat = false;\n\n    if (!media) {\n      // Not enough information\n      return [];\n    }\n\n    if (master.mediaGroups.AUDIO && mediaAttributes.AUDIO) {\n      var audioGroup = master.mediaGroups.AUDIO[mediaAttributes.AUDIO]; // Handle the case where we are in a multiple-audio track scenario\n\n      if (audioGroup) {\n        isMaat = true; // Start with the everything demuxed then...\n\n        isMuxed = false; // ...check to see if any audio group tracks are muxed (ie. lacking a uri)\n\n        for (var groupId in audioGroup) {\n          // either a uri is present (if the case of HLS and an external playlist), or\n          // playlists is present (in the case of DASH where we don't have external audio\n          // playlists)\n          if (!audioGroup[groupId].uri && !audioGroup[groupId].playlists) {\n            isMuxed = true;\n            break;\n          }\n        }\n      }\n    } // HLS with multiple-audio tracks must always get an audio codec.\n    // Put another way, there is no way to have a video-only multiple-audio HLS!\n\n\n    if (isMaat && !codecInfo.audioProfile) {\n      if (!isMuxed) {\n        // It is possible for codecs to be specified on the audio media group playlist but\n        // not on the rendition playlist. This is mostly the case for DASH, where audio and\n        // video are always separate (and separately specified).\n        codecInfo.audioProfile = audioProfileFromDefault(master, mediaAttributes.AUDIO);\n      }\n\n      if (!codecInfo.audioProfile) {\n        videojs$1.log.warn('Multiple audio tracks present but no audio codec string is specified. ' + 'Attempting to use the default audio codec (mp4a.40.2)');\n        codecInfo.audioProfile = defaultCodecs.audioProfile;\n      }\n    } // Generate the final codec strings from the codec object generated above\n\n\n    var codecStrings = {};\n\n    if (codecInfo.videoCodec) {\n      codecStrings.video = '' + codecInfo.videoCodec + codecInfo.videoObjectTypeIndicator;\n    }\n\n    if (codecInfo.audioProfile) {\n      codecStrings.audio = 'mp4a.40.' + codecInfo.audioProfile;\n    } // Finally, make and return an array with proper mime-types depending on\n    // the configuration\n\n\n    var justAudio = makeMimeTypeString('audio', containerType, [codecStrings.audio]);\n    var justVideo = makeMimeTypeString('video', containerType, [codecStrings.video]);\n    var bothVideoAudio = makeMimeTypeString('video', containerType, [codecStrings.video, codecStrings.audio]);\n\n    if (isMaat) {\n      if (!isMuxed && codecStrings.video) {\n        return [justVideo, justAudio];\n      }\n\n      if (!isMuxed && !codecStrings.video) {\n        // There is no muxed content and no video codec string, so this is an audio only\n        // stream with alternate audio.\n        return [justAudio, justAudio];\n      } // There exists the possiblity that this will return a `video/container`\n      // mime-type for the first entry in the array even when there is only audio.\n      // This doesn't appear to be a problem and simplifies the code.\n\n\n      return [bothVideoAudio, justAudio];\n    } // If there is no video codec at all, always just return a single\n    // audio/<container> mime-type\n\n\n    if (!codecStrings.video) {\n      return [justAudio];\n    } // When not using separate audio media groups, audio and video is\n    // *always* muxed\n\n\n    return [bothVideoAudio];\n  };\n  /**\n   * Parse a content type header into a type and parameters\n   * object\n   *\n   * @param {String} type the content type header\n   * @return {Object} the parsed content-type\n   * @private\n   */\n\n\n  var parseContentType = function parseContentType(type) {\n    var object = {\n      type: '',\n      parameters: {}\n    };\n    var parameters = type.trim().split(';'); // first parameter should always be content-type\n\n    object.type = parameters.shift().trim();\n    parameters.forEach(function (parameter) {\n      var pair = parameter.trim().split('=');\n\n      if (pair.length > 1) {\n        var name = pair[0].replace(/\"/g, '').trim();\n        var value = pair[1].replace(/\"/g, '').trim();\n        object.parameters[name] = value;\n      }\n    });\n    return object;\n  };\n  /**\n   * Check if a codec string refers to an audio codec.\n   *\n   * @param {String} codec codec string to check\n   * @return {Boolean} if this is an audio codec\n   * @private\n   */\n\n\n  var isAudioCodec = function isAudioCodec(codec) {\n    return /mp4a\\.\\d+.\\d+/i.test(codec);\n  };\n  /**\n   * Check if a codec string refers to a video codec.\n   *\n   * @param {String} codec codec string to check\n   * @return {Boolean} if this is a video codec\n   * @private\n   */\n\n\n  var isVideoCodec = function isVideoCodec(codec) {\n    return /avc1\\.[\\da-f]+/i.test(codec);\n  };\n  /**\n   * Returns a list of gops in the buffer that have a pts value of 3 seconds or more in\n   * front of current time.\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Number} currentTime\n   *        The current time\n   * @param {Double} mapping\n   *        Offset to map display time to stream presentation time\n   * @return {Array}\n   *         List of gops considered safe to append over\n   */\n\n\n  var gopsSafeToAlignWith = function gopsSafeToAlignWith(buffer, currentTime, mapping) {\n    if (typeof currentTime === 'undefined' || currentTime === null || !buffer.length) {\n      return [];\n    } // pts value for current time + 3 seconds to give a bit more wiggle room\n\n\n    var currentTimePts = Math.ceil((currentTime - mapping + 3) * 90000);\n    var i = void 0;\n\n    for (i = 0; i < buffer.length; i++) {\n      if (buffer[i].pts > currentTimePts) {\n        break;\n      }\n    }\n\n    return buffer.slice(i);\n  };\n  /**\n   * Appends gop information (timing and byteLength) received by the transmuxer for the\n   * gops appended in the last call to appendBuffer\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Array} gops\n   *        List of new gop information\n   * @param {boolean} replace\n   *        If true, replace the buffer with the new gop information. If false, append the\n   *        new gop information to the buffer in the right location of time.\n   * @return {Array}\n   *         Updated list of gop information\n   */\n\n\n  var updateGopBuffer = function updateGopBuffer(buffer, gops, replace) {\n    if (!gops.length) {\n      return buffer;\n    }\n\n    if (replace) {\n      // If we are in safe append mode, then completely overwrite the gop buffer\n      // with the most recent appeneded data. This will make sure that when appending\n      // future segments, we only try to align with gops that are both ahead of current\n      // time and in the last segment appended.\n      return gops.slice();\n    }\n\n    var start = gops[0].pts;\n    var i = 0;\n\n    for (i; i < buffer.length; i++) {\n      if (buffer[i].pts >= start) {\n        break;\n      }\n    }\n\n    return buffer.slice(0, i).concat(gops);\n  };\n  /**\n   * Removes gop information in buffer that overlaps with provided start and end\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Double} start\n   *        position to start the remove at\n   * @param {Double} end\n   *        position to end the remove at\n   * @param {Double} mapping\n   *        Offset to map display time to stream presentation time\n   */\n\n\n  var removeGopBuffer = function removeGopBuffer(buffer, start, end, mapping) {\n    var startPts = Math.ceil((start - mapping) * 90000);\n    var endPts = Math.ceil((end - mapping) * 90000);\n    var updatedBuffer = buffer.slice();\n    var i = buffer.length;\n\n    while (i--) {\n      if (buffer[i].pts <= endPts) {\n        break;\n      }\n    }\n\n    if (i === -1) {\n      // no removal because end of remove range is before start of buffer\n      return updatedBuffer;\n    }\n\n    var j = i + 1;\n\n    while (j--) {\n      if (buffer[j].pts <= startPts) {\n        break;\n      }\n    } // clamp remove range start to 0 index\n\n\n    j = Math.max(j, 0);\n    updatedBuffer.splice(j, i - j + 1);\n    return updatedBuffer;\n  };\n\n  var buffered = function buffered(videoBuffer, audioBuffer, audioDisabled) {\n    var start = null;\n    var end = null;\n    var arity = 0;\n    var extents = [];\n    var ranges = []; // neither buffer has been created yet\n\n    if (!videoBuffer && !audioBuffer) {\n      return videojs$1.createTimeRange();\n    } // only one buffer is configured\n\n\n    if (!videoBuffer) {\n      return audioBuffer.buffered;\n    }\n\n    if (!audioBuffer) {\n      return videoBuffer.buffered;\n    } // both buffers are configured\n\n\n    if (audioDisabled) {\n      return videoBuffer.buffered;\n    } // both buffers are empty\n\n\n    if (videoBuffer.buffered.length === 0 && audioBuffer.buffered.length === 0) {\n      return videojs$1.createTimeRange();\n    } // Handle the case where we have both buffers and create an\n    // intersection of the two\n\n\n    var videoBuffered = videoBuffer.buffered;\n    var audioBuffered = audioBuffer.buffered;\n    var count = videoBuffered.length; // A) Gather up all start and end times\n\n    while (count--) {\n      extents.push({\n        time: videoBuffered.start(count),\n        type: 'start'\n      });\n      extents.push({\n        time: videoBuffered.end(count),\n        type: 'end'\n      });\n    }\n\n    count = audioBuffered.length;\n\n    while (count--) {\n      extents.push({\n        time: audioBuffered.start(count),\n        type: 'start'\n      });\n      extents.push({\n        time: audioBuffered.end(count),\n        type: 'end'\n      });\n    } // B) Sort them by time\n\n\n    extents.sort(function (a, b) {\n      return a.time - b.time;\n    }); // C) Go along one by one incrementing arity for start and decrementing\n    //    arity for ends\n\n    for (count = 0; count < extents.length; count++) {\n      if (extents[count].type === 'start') {\n        arity++; // D) If arity is ever incremented to 2 we are entering an\n        //    overlapping range\n\n        if (arity === 2) {\n          start = extents[count].time;\n        }\n      } else if (extents[count].type === 'end') {\n        arity--; // E) If arity is ever decremented to 1 we leaving an\n        //    overlapping range\n\n        if (arity === 1) {\n          end = extents[count].time;\n        }\n      } // F) Record overlapping ranges\n\n\n      if (start !== null && end !== null) {\n        ranges.push([start, end]);\n        start = null;\n        end = null;\n      }\n    }\n\n    return videojs$1.createTimeRanges(ranges);\n  };\n  /**\n   * @file virtual-source-buffer.js\n   */\n\n\n  var ONE_SECOND_IN_TS$2 = 90000; // We create a wrapper around the SourceBuffer so that we can manage the\n  // state of the `updating` property manually. We have to do this because\n  // Firefox changes `updating` to false long before triggering `updateend`\n  // events and that was causing strange problems in videojs-contrib-hls\n\n  var makeWrappedSourceBuffer = function makeWrappedSourceBuffer(mediaSource, mimeType) {\n    var sourceBuffer = mediaSource.addSourceBuffer(mimeType);\n    var wrapper = Object.create(null);\n    wrapper.updating = false;\n    wrapper.realBuffer_ = sourceBuffer;\n\n    var _loop = function _loop(key) {\n      if (typeof sourceBuffer[key] === 'function') {\n        wrapper[key] = function () {\n          return sourceBuffer[key].apply(sourceBuffer, arguments);\n        };\n      } else if (typeof wrapper[key] === 'undefined') {\n        Object.defineProperty(wrapper, key, {\n          get: function get$$1() {\n            return sourceBuffer[key];\n          },\n          set: function set$$1(v) {\n            return sourceBuffer[key] = v;\n          }\n        });\n      }\n    };\n\n    for (var key in sourceBuffer) {\n      _loop(key);\n    }\n\n    return wrapper;\n  };\n  /**\n   * VirtualSourceBuffers exist so that we can transmux non native formats\n   * into a native format, but keep the same api as a native source buffer.\n   * It creates a transmuxer, that works in its own thread (a web worker) and\n   * that transmuxer muxes the data into a native format. VirtualSourceBuffer will\n   * then send all of that data to the naive sourcebuffer so that it is\n   * indestinguishable from a natively supported format.\n   *\n   * @param {HtmlMediaSource} mediaSource the parent mediaSource\n   * @param {Array} codecs array of codecs that we will be dealing with\n   * @class VirtualSourceBuffer\n   * @extends video.js.EventTarget\n   */\n\n\n  var VirtualSourceBuffer = function (_videojs$EventTarget) {\n    inherits$2(VirtualSourceBuffer, _videojs$EventTarget);\n\n    function VirtualSourceBuffer(mediaSource, codecs) {\n      classCallCheck$1(this, VirtualSourceBuffer);\n\n      var _this = possibleConstructorReturn$1(this, (VirtualSourceBuffer.__proto__ || Object.getPrototypeOf(VirtualSourceBuffer)).call(this, videojs$1.EventTarget));\n\n      _this.timestampOffset_ = 0;\n      _this.pendingBuffers_ = [];\n      _this.bufferUpdating_ = false;\n      _this.mediaSource_ = mediaSource;\n      _this.codecs_ = codecs;\n      _this.audioCodec_ = null;\n      _this.videoCodec_ = null;\n      _this.audioDisabled_ = false;\n      _this.appendAudioInitSegment_ = true;\n      _this.gopBuffer_ = [];\n      _this.timeMapping_ = 0;\n      _this.safeAppend_ = videojs$1.browser.IE_VERSION >= 11;\n      var options = {\n        remux: false,\n        alignGopsAtEnd: _this.safeAppend_\n      };\n\n      _this.codecs_.forEach(function (codec) {\n        if (isAudioCodec(codec)) {\n          _this.audioCodec_ = codec;\n        } else if (isVideoCodec(codec)) {\n          _this.videoCodec_ = codec;\n        }\n      }); // append muxed segments to their respective native buffers as\n      // soon as they are available\n\n\n      _this.transmuxer_ = new TransmuxWorker();\n\n      _this.transmuxer_.postMessage({\n        action: 'init',\n        options: options\n      });\n\n      _this.transmuxer_.onmessage = function (event) {\n        if (event.data.action === 'data') {\n          return _this.data_(event);\n        }\n\n        if (event.data.action === 'done') {\n          return _this.done_(event);\n        }\n\n        if (event.data.action === 'gopInfo') {\n          return _this.appendGopInfo_(event);\n        }\n\n        if (event.data.action === 'videoSegmentTimingInfo') {\n          return _this.videoSegmentTimingInfo_(event.data.videoSegmentTimingInfo);\n        }\n      }; // this timestampOffset is a property with the side-effect of resetting\n      // baseMediaDecodeTime in the transmuxer on the setter\n\n\n      Object.defineProperty(_this, 'timestampOffset', {\n        get: function get$$1() {\n          return this.timestampOffset_;\n        },\n        set: function set$$1(val) {\n          if (typeof val === 'number' && val >= 0) {\n            this.timestampOffset_ = val;\n            this.appendAudioInitSegment_ = true; // reset gop buffer on timestampoffset as this signals a change in timeline\n\n            this.gopBuffer_.length = 0;\n            this.timeMapping_ = 0; // We have to tell the transmuxer to set the baseMediaDecodeTime to\n            // the desired timestampOffset for the next segment\n\n            this.transmuxer_.postMessage({\n              action: 'setTimestampOffset',\n              timestampOffset: val\n            });\n          }\n        }\n      }); // setting the append window affects both source buffers\n\n      Object.defineProperty(_this, 'appendWindowStart', {\n        get: function get$$1() {\n          return (this.videoBuffer_ || this.audioBuffer_).appendWindowStart;\n        },\n        set: function set$$1(start) {\n          if (this.videoBuffer_) {\n            this.videoBuffer_.appendWindowStart = start;\n          }\n\n          if (this.audioBuffer_) {\n            this.audioBuffer_.appendWindowStart = start;\n          }\n        }\n      }); // this buffer is \"updating\" if either of its native buffers are\n\n      Object.defineProperty(_this, 'updating', {\n        get: function get$$1() {\n          return !!(this.bufferUpdating_ || !this.audioDisabled_ && this.audioBuffer_ && this.audioBuffer_.updating || this.videoBuffer_ && this.videoBuffer_.updating);\n        }\n      }); // the buffered property is the intersection of the buffered\n      // ranges of the native source buffers\n\n      Object.defineProperty(_this, 'buffered', {\n        get: function get$$1() {\n          return buffered(this.videoBuffer_, this.audioBuffer_, this.audioDisabled_);\n        }\n      });\n      return _this;\n    }\n    /**\n     * When we get a data event from the transmuxer\n     * we call this function and handle the data that\n     * was sent to us\n     *\n     * @private\n     * @param {Event} event the data event from the transmuxer\n     */\n\n\n    createClass$1(VirtualSourceBuffer, [{\n      key: 'data_',\n      value: function data_(event) {\n        var segment = event.data.segment; // Cast ArrayBuffer to TypedArray\n\n        segment.data = new Uint8Array(segment.data, event.data.byteOffset, event.data.byteLength);\n        segment.initSegment = new Uint8Array(segment.initSegment.data, segment.initSegment.byteOffset, segment.initSegment.byteLength);\n        createTextTracksIfNecessary(this, this.mediaSource_, segment); // Add the segments to the pendingBuffers array\n\n        this.pendingBuffers_.push(segment);\n        return;\n      }\n      /**\n       * When we get a done event from the transmuxer\n       * we call this function and we process all\n       * of the pending data that we have been saving in the\n       * data_ function\n       *\n       * @private\n       * @param {Event} event the done event from the transmuxer\n       */\n\n    }, {\n      key: 'done_',\n      value: function done_(event) {\n        // Don't process and append data if the mediaSource is closed\n        if (this.mediaSource_.readyState === 'closed') {\n          this.pendingBuffers_.length = 0;\n          return;\n        } // All buffers should have been flushed from the muxer\n        // start processing anything we have received\n\n\n        this.processPendingSegments_();\n        return;\n      }\n    }, {\n      key: 'videoSegmentTimingInfo_',\n      value: function videoSegmentTimingInfo_(timingInfo) {\n        var timingInfoInSeconds = {\n          start: {\n            decode: timingInfo.start.dts / ONE_SECOND_IN_TS$2,\n            presentation: timingInfo.start.pts / ONE_SECOND_IN_TS$2\n          },\n          end: {\n            decode: timingInfo.end.dts / ONE_SECOND_IN_TS$2,\n            presentation: timingInfo.end.pts / ONE_SECOND_IN_TS$2\n          },\n          baseMediaDecodeTime: timingInfo.baseMediaDecodeTime / ONE_SECOND_IN_TS$2\n        };\n\n        if (timingInfo.prependedContentDuration) {\n          timingInfoInSeconds.prependedContentDuration = timingInfo.prependedContentDuration / ONE_SECOND_IN_TS$2;\n        }\n\n        this.trigger({\n          type: 'videoSegmentTimingInfo',\n          videoSegmentTimingInfo: timingInfoInSeconds\n        });\n      }\n      /**\n       * Create our internal native audio/video source buffers and add\n       * event handlers to them with the following conditions:\n       * 1. they do not already exist on the mediaSource\n       * 2. this VSB has a codec for them\n       *\n       * @private\n       */\n\n    }, {\n      key: 'createRealSourceBuffers_',\n      value: function createRealSourceBuffers_() {\n        var _this2 = this;\n\n        var types = ['audio', 'video'];\n        types.forEach(function (type) {\n          // Don't create a SourceBuffer of this type if we don't have a\n          // codec for it\n          if (!_this2[type + 'Codec_']) {\n            return;\n          } // Do nothing if a SourceBuffer of this type already exists\n\n\n          if (_this2[type + 'Buffer_']) {\n            return;\n          }\n\n          var buffer = null; // If the mediasource already has a SourceBuffer for the codec\n          // use that\n\n          if (_this2.mediaSource_[type + 'Buffer_']) {\n            buffer = _this2.mediaSource_[type + 'Buffer_']; // In multiple audio track cases, the audio source buffer is disabled\n            // on the main VirtualSourceBuffer by the HTMLMediaSource much earlier\n            // than createRealSourceBuffers_ is called to create the second\n            // VirtualSourceBuffer because that happens as a side-effect of\n            // videojs-contrib-hls starting the audioSegmentLoader. As a result,\n            // the audioBuffer is essentially \"ownerless\" and no one will toggle\n            // the `updating` state back to false once the `updateend` event is received\n            //\n            // Setting `updating` to false manually will work around this\n            // situation and allow work to continue\n\n            buffer.updating = false;\n          } else {\n            var codecProperty = type + 'Codec_';\n            var mimeType = type + '/mp4;codecs=\"' + _this2[codecProperty] + '\"';\n            buffer = makeWrappedSourceBuffer(_this2.mediaSource_.nativeMediaSource_, mimeType);\n            _this2.mediaSource_[type + 'Buffer_'] = buffer;\n          }\n\n          _this2[type + 'Buffer_'] = buffer; // Wire up the events to the SourceBuffer\n\n          ['update', 'updatestart', 'updateend'].forEach(function (event) {\n            buffer.addEventListener(event, function () {\n              // if audio is disabled\n              if (type === 'audio' && _this2.audioDisabled_) {\n                return;\n              }\n\n              if (event === 'updateend') {\n                _this2[type + 'Buffer_'].updating = false;\n              }\n\n              var shouldTrigger = types.every(function (t) {\n                // skip checking audio's updating status if audio\n                // is not enabled\n                if (t === 'audio' && _this2.audioDisabled_) {\n                  return true;\n                } // if the other type is updating we don't trigger\n\n\n                if (type !== t && _this2[t + 'Buffer_'] && _this2[t + 'Buffer_'].updating) {\n                  return false;\n                }\n\n                return true;\n              });\n\n              if (shouldTrigger) {\n                return _this2.trigger(event);\n              }\n            });\n          });\n        });\n      }\n      /**\n       * Emulate the native mediasource function, but our function will\n       * send all of the proposed segments to the transmuxer so that we\n       * can transmux them before we append them to our internal\n       * native source buffers in the correct format.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/appendBuffer\n       * @param {Uint8Array} segment the segment to append to the buffer\n       */\n\n    }, {\n      key: 'appendBuffer',\n      value: function appendBuffer(segment) {\n        // Start the internal \"updating\" state\n        this.bufferUpdating_ = true;\n\n        if (this.audioBuffer_ && this.audioBuffer_.buffered.length) {\n          var audioBuffered = this.audioBuffer_.buffered;\n          this.transmuxer_.postMessage({\n            action: 'setAudioAppendStart',\n            appendStart: audioBuffered.end(audioBuffered.length - 1)\n          });\n        }\n\n        if (this.videoBuffer_) {\n          this.transmuxer_.postMessage({\n            action: 'alignGopsWith',\n            gopsToAlignWith: gopsSafeToAlignWith(this.gopBuffer_, this.mediaSource_.player_ ? this.mediaSource_.player_.currentTime() : null, this.timeMapping_)\n          });\n        }\n\n        this.transmuxer_.postMessage({\n          action: 'push',\n          // Send the typed-array of data as an ArrayBuffer so that\n          // it can be sent as a \"Transferable\" and avoid the costly\n          // memory copy\n          data: segment.buffer,\n          // To recreate the original typed-array, we need information\n          // about what portion of the ArrayBuffer it was a view into\n          byteOffset: segment.byteOffset,\n          byteLength: segment.byteLength\n        }, [segment.buffer]);\n        this.transmuxer_.postMessage({\n          action: 'flush'\n        });\n      }\n      /**\n       * Appends gop information (timing and byteLength) received by the transmuxer for the\n       * gops appended in the last call to appendBuffer\n       *\n       * @param {Event} event\n       *        The gopInfo event from the transmuxer\n       * @param {Array} event.data.gopInfo\n       *        List of gop info to append\n       */\n\n    }, {\n      key: 'appendGopInfo_',\n      value: function appendGopInfo_(event) {\n        this.gopBuffer_ = updateGopBuffer(this.gopBuffer_, event.data.gopInfo, this.safeAppend_);\n      }\n      /**\n       * Emulate the native mediasource function and remove parts\n       * of the buffer from any of our internal buffers that exist\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/remove\n       * @param {Double} start position to start the remove at\n       * @param {Double} end position to end the remove at\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        if (this.videoBuffer_) {\n          this.videoBuffer_.updating = true;\n          this.videoBuffer_.remove(start, end);\n          this.gopBuffer_ = removeGopBuffer(this.gopBuffer_, start, end, this.timeMapping_);\n        }\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.audioBuffer_.updating = true;\n          this.audioBuffer_.remove(start, end);\n        } // Remove Metadata Cues (id3)\n\n\n        removeCuesFromTrack(start, end, this.metadataTrack_); // Remove Any Captions\n\n        if (this.inbandTextTracks_) {\n          for (var track in this.inbandTextTracks_) {\n            removeCuesFromTrack(start, end, this.inbandTextTracks_[track]);\n          }\n        }\n      }\n      /**\n       * Process any segments that the muxer has output\n       * Concatenate segments together based on type and append them into\n       * their respective sourceBuffers\n       *\n       * @private\n       */\n\n    }, {\n      key: 'processPendingSegments_',\n      value: function processPendingSegments_() {\n        var sortedSegments = {\n          video: {\n            segments: [],\n            bytes: 0\n          },\n          audio: {\n            segments: [],\n            bytes: 0\n          },\n          captions: [],\n          metadata: []\n        };\n\n        if (!this.pendingBuffers_.length) {\n          // We are no longer in the internal \"updating\" state\n          this.trigger('updateend');\n          this.bufferUpdating_ = false;\n          return;\n        } // Sort segments into separate video/audio arrays and\n        // keep track of their total byte lengths\n\n\n        sortedSegments = this.pendingBuffers_.reduce(function (segmentObj, segment) {\n          var type = segment.type;\n          var data = segment.data;\n          var initSegment = segment.initSegment;\n          segmentObj[type].segments.push(data);\n          segmentObj[type].bytes += data.byteLength;\n          segmentObj[type].initSegment = initSegment; // Gather any captions into a single array\n\n          if (segment.captions) {\n            segmentObj.captions = segmentObj.captions.concat(segment.captions);\n          }\n\n          if (segment.info) {\n            segmentObj[type].info = segment.info;\n          } // Gather any metadata into a single array\n\n\n          if (segment.metadata) {\n            segmentObj.metadata = segmentObj.metadata.concat(segment.metadata);\n          }\n\n          return segmentObj;\n        }, sortedSegments); // Create the real source buffers if they don't exist by now since we\n        // finally are sure what tracks are contained in the source\n\n        if (!this.videoBuffer_ && !this.audioBuffer_) {\n          // Remove any codecs that may have been specified by default but\n          // are no longer applicable now\n          if (sortedSegments.video.bytes === 0) {\n            this.videoCodec_ = null;\n          }\n\n          if (sortedSegments.audio.bytes === 0) {\n            this.audioCodec_ = null;\n          }\n\n          this.createRealSourceBuffers_();\n        }\n\n        if (sortedSegments.audio.info) {\n          this.mediaSource_.trigger({\n            type: 'audioinfo',\n            info: sortedSegments.audio.info\n          });\n        }\n\n        if (sortedSegments.video.info) {\n          this.mediaSource_.trigger({\n            type: 'videoinfo',\n            info: sortedSegments.video.info\n          });\n        }\n\n        if (this.appendAudioInitSegment_) {\n          if (!this.audioDisabled_ && this.audioBuffer_) {\n            sortedSegments.audio.segments.unshift(sortedSegments.audio.initSegment);\n            sortedSegments.audio.bytes += sortedSegments.audio.initSegment.byteLength;\n          }\n\n          this.appendAudioInitSegment_ = false;\n        }\n\n        var triggerUpdateend = false; // Merge multiple video and audio segments into one and append\n\n        if (this.videoBuffer_ && sortedSegments.video.bytes) {\n          sortedSegments.video.segments.unshift(sortedSegments.video.initSegment);\n          sortedSegments.video.bytes += sortedSegments.video.initSegment.byteLength;\n          this.concatAndAppendSegments_(sortedSegments.video, this.videoBuffer_);\n        } else if (this.videoBuffer_ && (this.audioDisabled_ || !this.audioBuffer_)) {\n          // The transmuxer did not return any bytes of video, meaning it was all trimmed\n          // for gop alignment. Since we have a video buffer and audio is disabled, updateend\n          // will never be triggered by this source buffer, which will cause contrib-hls\n          // to be stuck forever waiting for updateend. If audio is not disabled, updateend\n          // will be triggered by the audio buffer, which will be sent upwards since the video\n          // buffer will not be in an updating state.\n          triggerUpdateend = true;\n        } // Add text-track data for all\n\n\n        addTextTrackData(this, sortedSegments.captions, sortedSegments.metadata);\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.concatAndAppendSegments_(sortedSegments.audio, this.audioBuffer_);\n        }\n\n        this.pendingBuffers_.length = 0;\n\n        if (triggerUpdateend) {\n          this.trigger('updateend');\n        } // We are no longer in the internal \"updating\" state\n\n\n        this.bufferUpdating_ = false;\n      }\n      /**\n       * Combine all segments into a single Uint8Array and then append them\n       * to the destination buffer\n       *\n       * @param {Object} segmentObj\n       * @param {SourceBuffer} destinationBuffer native source buffer to append data to\n       * @private\n       */\n\n    }, {\n      key: 'concatAndAppendSegments_',\n      value: function concatAndAppendSegments_(segmentObj, destinationBuffer) {\n        var offset = 0;\n        var tempBuffer = void 0;\n\n        if (segmentObj.bytes) {\n          tempBuffer = new Uint8Array(segmentObj.bytes); // Combine the individual segments into one large typed-array\n\n          segmentObj.segments.forEach(function (segment) {\n            tempBuffer.set(segment, offset);\n            offset += segment.byteLength;\n          });\n\n          try {\n            destinationBuffer.updating = true;\n            destinationBuffer.appendBuffer(tempBuffer);\n          } catch (error) {\n            if (this.mediaSource_.player_) {\n              this.mediaSource_.player_.error({\n                code: -3,\n                type: 'APPEND_BUFFER_ERR',\n                message: error.message,\n                originalError: error\n              });\n            }\n          }\n        }\n      }\n      /**\n       * Emulate the native mediasource function. abort any soureBuffer\n       * actions and throw out any un-appended data.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/abort\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort() {\n        if (this.videoBuffer_) {\n          this.videoBuffer_.abort();\n        }\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.audioBuffer_.abort();\n        }\n\n        if (this.transmuxer_) {\n          this.transmuxer_.postMessage({\n            action: 'reset'\n          });\n        }\n\n        this.pendingBuffers_.length = 0;\n        this.bufferUpdating_ = false;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n      }\n    }]);\n    return VirtualSourceBuffer;\n  }(videojs$1.EventTarget);\n  /**\n   * @file html-media-source.js\n   */\n\n  /**\n   * Our MediaSource implementation in HTML, mimics native\n   * MediaSource where/if possible.\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource\n   * @class HtmlMediaSource\n   * @extends videojs.EventTarget\n   */\n\n\n  var HtmlMediaSource = function (_videojs$EventTarget) {\n    inherits$2(HtmlMediaSource, _videojs$EventTarget);\n\n    function HtmlMediaSource() {\n      classCallCheck$1(this, HtmlMediaSource);\n\n      var _this = possibleConstructorReturn$1(this, (HtmlMediaSource.__proto__ || Object.getPrototypeOf(HtmlMediaSource)).call(this));\n\n      var property = void 0;\n      _this.nativeMediaSource_ = new window$3.MediaSource(); // delegate to the native MediaSource's methods by default\n\n      for (property in _this.nativeMediaSource_) {\n        if (!(property in HtmlMediaSource.prototype) && typeof _this.nativeMediaSource_[property] === 'function') {\n          _this[property] = _this.nativeMediaSource_[property].bind(_this.nativeMediaSource_);\n        }\n      } // emulate `duration` and `seekable` until seeking can be\n      // handled uniformly for live streams\n      // see https://github.com/w3c/media-source/issues/5\n\n\n      _this.duration_ = NaN;\n      Object.defineProperty(_this, 'duration', {\n        get: function get$$1() {\n          if (this.duration_ === Infinity) {\n            return this.duration_;\n          }\n\n          return this.nativeMediaSource_.duration;\n        },\n        set: function set$$1(duration) {\n          this.duration_ = duration;\n\n          if (duration !== Infinity) {\n            this.nativeMediaSource_.duration = duration;\n            return;\n          }\n        }\n      });\n      Object.defineProperty(_this, 'seekable', {\n        get: function get$$1() {\n          if (this.duration_ === Infinity) {\n            return videojs$1.createTimeRanges([[0, this.nativeMediaSource_.duration]]);\n          }\n\n          return this.nativeMediaSource_.seekable;\n        }\n      });\n      Object.defineProperty(_this, 'readyState', {\n        get: function get$$1() {\n          return this.nativeMediaSource_.readyState;\n        }\n      });\n      Object.defineProperty(_this, 'activeSourceBuffers', {\n        get: function get$$1() {\n          return this.activeSourceBuffers_;\n        }\n      }); // the list of virtual and native SourceBuffers created by this\n      // MediaSource\n\n      _this.sourceBuffers = [];\n      _this.activeSourceBuffers_ = [];\n      /**\n       * update the list of active source buffers based upon various\n       * imformation from HLS and video.js\n       *\n       * @private\n       */\n\n      _this.updateActiveSourceBuffers_ = function () {\n        // Retain the reference but empty the array\n        _this.activeSourceBuffers_.length = 0; // If there is only one source buffer, then it will always be active and audio will\n        // be disabled based on the codec of the source buffer\n\n        if (_this.sourceBuffers.length === 1) {\n          var sourceBuffer = _this.sourceBuffers[0];\n          sourceBuffer.appendAudioInitSegment_ = true;\n          sourceBuffer.audioDisabled_ = !sourceBuffer.audioCodec_;\n\n          _this.activeSourceBuffers_.push(sourceBuffer);\n\n          return;\n        } // There are 2 source buffers, a combined (possibly video only) source buffer and\n        // and an audio only source buffer.\n        // By default, the audio in the combined virtual source buffer is enabled\n        // and the audio-only source buffer (if it exists) is disabled.\n\n\n        var disableCombined = false;\n        var disableAudioOnly = true; // TODO: maybe we can store the sourcebuffers on the track objects?\n        // safari may do something like this\n\n        for (var i = 0; i < _this.player_.audioTracks().length; i++) {\n          var track = _this.player_.audioTracks()[i];\n\n          if (track.enabled && track.kind !== 'main') {\n            // The enabled track is an alternate audio track so disable the audio in\n            // the combined source buffer and enable the audio-only source buffer.\n            disableCombined = true;\n            disableAudioOnly = false;\n            break;\n          }\n        }\n\n        _this.sourceBuffers.forEach(function (sourceBuffer, index) {\n          /* eslinst-disable */\n          // TODO once codecs are required, we can switch to using the codecs to determine\n          //      what stream is the video stream, rather than relying on videoTracks\n\n          /* eslinst-enable */\n          sourceBuffer.appendAudioInitSegment_ = true;\n\n          if (sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {\n            // combined\n            sourceBuffer.audioDisabled_ = disableCombined;\n          } else if (sourceBuffer.videoCodec_ && !sourceBuffer.audioCodec_) {\n            // If the \"combined\" source buffer is video only, then we do not want\n            // disable the audio-only source buffer (this is mostly for demuxed\n            // audio and video hls)\n            sourceBuffer.audioDisabled_ = true;\n            disableAudioOnly = false;\n          } else if (!sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {\n            // audio only\n            // In the case of audio only with alternate audio and disableAudioOnly is true\n            // this means we want to disable the audio on the alternate audio sourcebuffer\n            // but not the main \"combined\" source buffer. The \"combined\" source buffer is\n            // always at index 0, so this ensures audio won't be disabled in both source\n            // buffers.\n            sourceBuffer.audioDisabled_ = index ? disableAudioOnly : !disableAudioOnly;\n\n            if (sourceBuffer.audioDisabled_) {\n              return;\n            }\n          }\n\n          _this.activeSourceBuffers_.push(sourceBuffer);\n        });\n      };\n\n      _this.onPlayerMediachange_ = function () {\n        _this.sourceBuffers.forEach(function (sourceBuffer) {\n          sourceBuffer.appendAudioInitSegment_ = true;\n        });\n      };\n\n      _this.onHlsReset_ = function () {\n        _this.sourceBuffers.forEach(function (sourceBuffer) {\n          if (sourceBuffer.transmuxer_) {\n            sourceBuffer.transmuxer_.postMessage({\n              action: 'resetCaptions'\n            });\n          }\n        });\n      };\n\n      _this.onHlsSegmentTimeMapping_ = function (event) {\n        _this.sourceBuffers.forEach(function (buffer) {\n          return buffer.timeMapping_ = event.mapping;\n        });\n      }; // Re-emit MediaSource events on the polyfill\n\n\n      ['sourceopen', 'sourceclose', 'sourceended'].forEach(function (eventName) {\n        this.nativeMediaSource_.addEventListener(eventName, this.trigger.bind(this));\n      }, _this); // capture the associated player when the MediaSource is\n      // successfully attached\n\n      _this.on('sourceopen', function (event) {\n        // Get the player this MediaSource is attached to\n        var video = document.querySelector('[src=\"' + _this.url_ + '\"]');\n\n        if (!video) {\n          return;\n        }\n\n        _this.player_ = videojs$1(video.parentNode);\n\n        if (!_this.player_) {\n          return;\n        } // hls-reset is fired by videojs.Hls on to the tech after the main SegmentLoader\n        // resets its state and flushes the buffer\n\n\n        _this.player_.tech_.on('hls-reset', _this.onHlsReset_); // hls-segment-time-mapping is fired by videojs.Hls on to the tech after the main\n        // SegmentLoader inspects an MTS segment and has an accurate stream to display\n        // time mapping\n\n\n        _this.player_.tech_.on('hls-segment-time-mapping', _this.onHlsSegmentTimeMapping_);\n\n        if (_this.player_.audioTracks && _this.player_.audioTracks()) {\n          _this.player_.audioTracks().on('change', _this.updateActiveSourceBuffers_);\n\n          _this.player_.audioTracks().on('addtrack', _this.updateActiveSourceBuffers_);\n\n          _this.player_.audioTracks().on('removetrack', _this.updateActiveSourceBuffers_);\n        }\n\n        _this.player_.on('mediachange', _this.onPlayerMediachange_);\n      });\n\n      _this.on('sourceended', function (event) {\n        var duration = durationOfVideo(_this.duration);\n\n        for (var i = 0; i < _this.sourceBuffers.length; i++) {\n          var sourcebuffer = _this.sourceBuffers[i];\n          var cues = sourcebuffer.metadataTrack_ && sourcebuffer.metadataTrack_.cues;\n\n          if (cues && cues.length) {\n            cues[cues.length - 1].endTime = duration;\n          }\n        }\n      }); // explicitly terminate any WebWorkers that were created\n      // by SourceHandlers\n\n\n      _this.on('sourceclose', function (event) {\n        this.sourceBuffers.forEach(function (sourceBuffer) {\n          if (sourceBuffer.transmuxer_) {\n            sourceBuffer.transmuxer_.terminate();\n          }\n        });\n        this.sourceBuffers.length = 0;\n\n        if (!this.player_) {\n          return;\n        }\n\n        if (this.player_.audioTracks && this.player_.audioTracks()) {\n          this.player_.audioTracks().off('change', this.updateActiveSourceBuffers_);\n          this.player_.audioTracks().off('addtrack', this.updateActiveSourceBuffers_);\n          this.player_.audioTracks().off('removetrack', this.updateActiveSourceBuffers_);\n        } // We can only change this if the player hasn't been disposed of yet\n        // because `off` eventually tries to use the el_ property. If it has\n        // been disposed of, then don't worry about it because there are no\n        // event handlers left to unbind anyway\n\n\n        if (this.player_.el_) {\n          this.player_.off('mediachange', this.onPlayerMediachange_);\n        }\n\n        if (this.player_.tech_ && this.player_.tech_.el_) {\n          this.player_.tech_.off('hls-reset', this.onHlsReset_);\n          this.player_.tech_.off('hls-segment-time-mapping', this.onHlsSegmentTimeMapping_);\n        }\n      });\n\n      return _this;\n    }\n    /**\n     * Add a range that that can now be seeked to.\n     *\n     * @param {Double} start where to start the addition\n     * @param {Double} end where to end the addition\n     * @private\n     */\n\n\n    createClass$1(HtmlMediaSource, [{\n      key: 'addSeekableRange_',\n      value: function addSeekableRange_(start, end) {\n        var error = void 0;\n\n        if (this.duration !== Infinity) {\n          error = new Error('MediaSource.addSeekableRange() can only be invoked ' + 'when the duration is Infinity');\n          error.name = 'InvalidStateError';\n          error.code = 11;\n          throw error;\n        }\n\n        if (end > this.nativeMediaSource_.duration || isNaN(this.nativeMediaSource_.duration)) {\n          this.nativeMediaSource_.duration = end;\n        }\n      }\n      /**\n       * Add a source buffer to the media source.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/addSourceBuffer\n       * @param {String} type the content-type of the content\n       * @return {Object} the created source buffer\n       */\n\n    }, {\n      key: 'addSourceBuffer',\n      value: function addSourceBuffer(type) {\n        var buffer = void 0;\n        var parsedType = parseContentType(type); // Create a VirtualSourceBuffer to transmux MPEG-2 transport\n        // stream segments into fragmented MP4s\n\n        if (/^(video|audio)\\/mp2t$/i.test(parsedType.type)) {\n          var codecs = [];\n\n          if (parsedType.parameters && parsedType.parameters.codecs) {\n            codecs = parsedType.parameters.codecs.split(',');\n            codecs = translateLegacyCodecs(codecs);\n            codecs = codecs.filter(function (codec) {\n              return isAudioCodec(codec) || isVideoCodec(codec);\n            });\n          }\n\n          if (codecs.length === 0) {\n            codecs = ['avc1.4d400d', 'mp4a.40.2'];\n          }\n\n          buffer = new VirtualSourceBuffer(this, codecs);\n\n          if (this.sourceBuffers.length !== 0) {\n            // If another VirtualSourceBuffer already exists, then we are creating a\n            // SourceBuffer for an alternate audio track and therefore we know that\n            // the source has both an audio and video track.\n            // That means we should trigger the manual creation of the real\n            // SourceBuffers instead of waiting for the transmuxer to return data\n            this.sourceBuffers[0].createRealSourceBuffers_();\n            buffer.createRealSourceBuffers_(); // Automatically disable the audio on the first source buffer if\n            // a second source buffer is ever created\n\n            this.sourceBuffers[0].audioDisabled_ = true;\n          }\n        } else {\n          // delegate to the native implementation\n          buffer = this.nativeMediaSource_.addSourceBuffer(type);\n        }\n\n        this.sourceBuffers.push(buffer);\n        return buffer;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n        this.sourceBuffers.forEach(function (buffer) {\n          if (buffer.dispose) {\n            buffer.dispose();\n          }\n        });\n        this.sourceBuffers.length = 0;\n      }\n    }]);\n    return HtmlMediaSource;\n  }(videojs$1.EventTarget);\n  /**\n   * @file videojs-contrib-media-sources.js\n   */\n\n\n  var urlCount = 0; // ------------\n  // Media Source\n  // ------------\n  // store references to the media sources so they can be connected\n  // to a video element (a swf object)\n  // TODO: can we store this somewhere local to this module?\n\n  videojs$1.mediaSources = {};\n  /**\n   * Provide a method for a swf object to notify JS that a\n   * media source is now open.\n   *\n   * @param {String} msObjectURL string referencing the MSE Object URL\n   * @param {String} swfId the swf id\n   */\n\n  var open = function open(msObjectURL, swfId) {\n    var mediaSource = videojs$1.mediaSources[msObjectURL];\n\n    if (mediaSource) {\n      mediaSource.trigger({\n        type: 'sourceopen',\n        swfId: swfId\n      });\n    } else {\n      throw new Error('Media Source not found (Video.js)');\n    }\n  };\n  /**\n   * Check to see if the native MediaSource object exists and supports\n   * an MP4 container with both H.264 video and AAC-LC audio.\n   *\n   * @return {Boolean} if  native media sources are supported\n   */\n\n\n  var supportsNativeMediaSources = function supportsNativeMediaSources() {\n    return !!window$3.MediaSource && !!window$3.MediaSource.isTypeSupported && window$3.MediaSource.isTypeSupported('video/mp4;codecs=\"avc1.4d400d,mp4a.40.2\"');\n  };\n  /**\n   * An emulation of the MediaSource API so that we can support\n   * native and non-native functionality. returns an instance of\n   * HtmlMediaSource.\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/MediaSource\n   */\n\n\n  var MediaSource = function MediaSource() {\n    this.MediaSource = {\n      open: open,\n      supportsNativeMediaSources: supportsNativeMediaSources\n    };\n\n    if (supportsNativeMediaSources()) {\n      return new HtmlMediaSource();\n    }\n\n    throw new Error('Cannot use create a virtual MediaSource for this video');\n  };\n\n  MediaSource.open = open;\n  MediaSource.supportsNativeMediaSources = supportsNativeMediaSources;\n  /**\n   * A wrapper around the native URL for our MSE object\n   * implementation, this object is exposed under videojs.URL\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/URL\n   */\n\n  var URL$1 = {\n    /**\n     * A wrapper around the native createObjectURL for our objects.\n     * This function maps a native or emulated mediaSource to a blob\n     * url so that it can be loaded into video.js\n     *\n     * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL\n     * @param {MediaSource} object the object to create a blob url to\n     */\n    createObjectURL: function createObjectURL(object) {\n      var objectUrlPrefix = 'blob:vjs-media-source/';\n      var url = void 0; // use the native MediaSource to generate an object URL\n\n      if (object instanceof HtmlMediaSource) {\n        url = window$3.URL.createObjectURL(object.nativeMediaSource_);\n        object.url_ = url;\n        return url;\n      } // if the object isn't an emulated MediaSource, delegate to the\n      // native implementation\n\n\n      if (!(object instanceof HtmlMediaSource)) {\n        url = window$3.URL.createObjectURL(object);\n        object.url_ = url;\n        return url;\n      } // build a URL that can be used to map back to the emulated\n      // MediaSource\n\n\n      url = objectUrlPrefix + urlCount;\n      urlCount++; // setup the mapping back to object\n\n      videojs$1.mediaSources[url] = object;\n      return url;\n    }\n  };\n  videojs$1.MediaSource = MediaSource;\n  videojs$1.URL = URL$1;\n  var EventTarget$1$1 = videojs$1.EventTarget,\n      mergeOptions$2 = videojs$1.mergeOptions;\n  /**\n   * Returns a new master manifest that is the result of merging an updated master manifest\n   * into the original version.\n   *\n   * @param {Object} oldMaster\n   *        The old parsed mpd object\n   * @param {Object} newMaster\n   *        The updated parsed mpd object\n   * @return {Object}\n   *         A new object representing the original master manifest with the updated media\n   *         playlists merged in\n   */\n\n  var updateMaster$1 = function updateMaster$$1(oldMaster, newMaster) {\n    var noChanges = void 0;\n    var update = mergeOptions$2(oldMaster, {\n      // These are top level properties that can be updated\n      duration: newMaster.duration,\n      minimumUpdatePeriod: newMaster.minimumUpdatePeriod\n    }); // First update the playlists in playlist list\n\n    for (var i = 0; i < newMaster.playlists.length; i++) {\n      var playlistUpdate = updateMaster(update, newMaster.playlists[i]);\n\n      if (playlistUpdate) {\n        update = playlistUpdate;\n      } else {\n        noChanges = true;\n      }\n    } // Then update media group playlists\n\n\n    forEachMediaGroup(newMaster, function (properties, type, group, label) {\n      if (properties.playlists && properties.playlists.length) {\n        var id = properties.playlists[0].id;\n\n        var _playlistUpdate = updateMaster(update, properties.playlists[0]);\n\n        if (_playlistUpdate) {\n          update = _playlistUpdate; // update the playlist reference within media groups\n\n          update.mediaGroups[type][group][label].playlists[0] = update.playlists[id];\n          noChanges = false;\n        }\n      }\n    });\n\n    if (noChanges) {\n      return null;\n    }\n\n    return update;\n  };\n\n  var generateSidxKey = function generateSidxKey(sidxInfo) {\n    // should be non-inclusive\n    var sidxByteRangeEnd = sidxInfo.byterange.offset + sidxInfo.byterange.length - 1;\n    return sidxInfo.uri + '-' + sidxInfo.byterange.offset + '-' + sidxByteRangeEnd;\n  }; // SIDX should be equivalent if the URI and byteranges of the SIDX match.\n  // If the SIDXs have maps, the two maps should match,\n  // both `a` and `b` missing SIDXs is considered matching.\n  // If `a` or `b` but not both have a map, they aren't matching.\n\n\n  var equivalentSidx = function equivalentSidx(a, b) {\n    var neitherMap = Boolean(!a.map && !b.map);\n    var equivalentMap = neitherMap || Boolean(a.map && b.map && a.map.byterange.offset === b.map.byterange.offset && a.map.byterange.length === b.map.byterange.length);\n    return equivalentMap && a.uri === b.uri && a.byterange.offset === b.byterange.offset && a.byterange.length === b.byterange.length;\n  }; // exported for testing\n\n\n  var compareSidxEntry = function compareSidxEntry(playlists, oldSidxMapping) {\n    var newSidxMapping = {};\n\n    for (var id in playlists) {\n      var playlist = playlists[id];\n      var currentSidxInfo = playlist.sidx;\n\n      if (currentSidxInfo) {\n        var key = generateSidxKey(currentSidxInfo);\n\n        if (!oldSidxMapping[key]) {\n          break;\n        }\n\n        var savedSidxInfo = oldSidxMapping[key].sidxInfo;\n\n        if (equivalentSidx(savedSidxInfo, currentSidxInfo)) {\n          newSidxMapping[key] = oldSidxMapping[key];\n        }\n      }\n    }\n\n    return newSidxMapping;\n  };\n  /**\n   *  A function that filters out changed items as they need to be requested separately.\n   *\n   *  The method is exported for testing\n   *\n   *  @param {Object} masterXml the mpd XML\n   *  @param {string} srcUrl the mpd url\n   *  @param {Date} clientOffset a time difference between server and client (passed through and not used)\n   *  @param {Object} oldSidxMapping the SIDX to compare against\n   */\n\n\n  var filterChangedSidxMappings = function filterChangedSidxMappings(masterXml, srcUrl, clientOffset, oldSidxMapping) {\n    // Don't pass current sidx mapping\n    var master = parse(masterXml, {\n      manifestUri: srcUrl,\n      clientOffset: clientOffset\n    });\n    var videoSidx = compareSidxEntry(master.playlists, oldSidxMapping);\n    var mediaGroupSidx = videoSidx;\n    forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {\n      if (properties.playlists && properties.playlists.length) {\n        var playlists = properties.playlists;\n        mediaGroupSidx = mergeOptions$2(mediaGroupSidx, compareSidxEntry(playlists, oldSidxMapping));\n      }\n    });\n    return mediaGroupSidx;\n  }; // exported for testing\n\n\n  var requestSidx_ = function requestSidx_(sidxRange, playlist, xhr, options, finishProcessingFn) {\n    var sidxInfo = {\n      // resolve the segment URL relative to the playlist\n      uri: resolveManifestRedirect(options.handleManifestRedirects, sidxRange.resolvedUri),\n      // resolvedUri: sidxRange.resolvedUri,\n      byterange: sidxRange.byterange,\n      // the segment's playlist\n      playlist: playlist\n    };\n    var sidxRequestOptions = videojs$1.mergeOptions(sidxInfo, {\n      responseType: 'arraybuffer',\n      headers: segmentXhrHeaders(sidxInfo)\n    });\n    return xhr(sidxRequestOptions, finishProcessingFn);\n  };\n\n  var DashPlaylistLoader = function (_EventTarget) {\n    inherits$2(DashPlaylistLoader, _EventTarget); // DashPlaylistLoader must accept either a src url or a playlist because subsequent\n    // playlist loader setups from media groups will expect to be able to pass a playlist\n    // (since there aren't external URLs to media playlists with DASH)\n\n    function DashPlaylistLoader(srcUrlOrPlaylist, hls) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      var masterPlaylistLoader = arguments[3];\n      classCallCheck$1(this, DashPlaylistLoader);\n\n      var _this = possibleConstructorReturn$1(this, (DashPlaylistLoader.__proto__ || Object.getPrototypeOf(DashPlaylistLoader)).call(this));\n\n      var _options$withCredenti = options.withCredentials,\n          withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,\n          _options$handleManife = options.handleManifestRedirects,\n          handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;\n      _this.hls_ = hls;\n      _this.withCredentials = withCredentials;\n      _this.handleManifestRedirects = handleManifestRedirects;\n\n      if (!srcUrlOrPlaylist) {\n        throw new Error('A non-empty playlist URL or playlist is required');\n      } // event naming?\n\n\n      _this.on('minimumUpdatePeriod', function () {\n        _this.refreshXml_();\n      }); // live playlist staleness timeout\n\n\n      _this.on('mediaupdatetimeout', function () {\n        _this.refreshMedia_(_this.media().id);\n      });\n\n      _this.state = 'HAVE_NOTHING';\n      _this.loadedPlaylists_ = {}; // initialize the loader state\n      // The masterPlaylistLoader will be created with a string\n\n      if (typeof srcUrlOrPlaylist === 'string') {\n        _this.srcUrl = srcUrlOrPlaylist; // TODO: reset sidxMapping between period changes\n        // once multi-period is refactored\n\n        _this.sidxMapping_ = {};\n        return possibleConstructorReturn$1(_this);\n      }\n\n      _this.setupChildLoader(masterPlaylistLoader, srcUrlOrPlaylist);\n\n      return _this;\n    }\n\n    createClass$1(DashPlaylistLoader, [{\n      key: 'setupChildLoader',\n      value: function setupChildLoader(masterPlaylistLoader, playlist) {\n        this.masterPlaylistLoader_ = masterPlaylistLoader;\n        this.childPlaylist_ = playlist;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.stopRequest();\n        this.loadedPlaylists_ = {};\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n        window$3.clearTimeout(this.mediaRequest_);\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        this.off();\n      }\n    }, {\n      key: 'hasPendingRequest',\n      value: function hasPendingRequest() {\n        return this.request || this.mediaRequest_;\n      }\n    }, {\n      key: 'stopRequest',\n      value: function stopRequest() {\n        if (this.request) {\n          var oldRequest = this.request;\n          this.request = null;\n          oldRequest.onreadystatechange = null;\n          oldRequest.abort();\n        }\n      }\n    }, {\n      key: 'sidxRequestFinished_',\n      value: function sidxRequestFinished_(playlist, master, startingState, doneFn) {\n        var _this2 = this;\n\n        return function (err, request) {\n          // disposed\n          if (!_this2.request) {\n            return;\n          } // pending request is cleared\n\n\n          _this2.request = null;\n\n          if (err) {\n            _this2.error = {\n              status: request.status,\n              message: 'DASH playlist request error at URL: ' + playlist.uri,\n              response: request.response,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (startingState) {\n              _this2.state = startingState;\n            }\n\n            _this2.trigger('error');\n\n            return doneFn(master, null);\n          }\n\n          var bytes = new Uint8Array(request.response);\n          var sidx = mp4Inspector.parseSidx(bytes.subarray(8));\n          return doneFn(master, sidx);\n        };\n      }\n    }, {\n      key: 'media',\n      value: function media(playlist) {\n        var _this3 = this; // getter\n\n\n        if (!playlist) {\n          return this.media_;\n        } // setter\n\n\n        if (this.state === 'HAVE_NOTHING') {\n          throw new Error('Cannot switch media playlist from ' + this.state);\n        }\n\n        var startingState = this.state; // find the playlist object if the target playlist has been specified by URI\n\n        if (typeof playlist === 'string') {\n          if (!this.master.playlists[playlist]) {\n            throw new Error('Unknown playlist URI: ' + playlist);\n          }\n\n          playlist = this.master.playlists[playlist];\n        }\n\n        var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to previously loaded playlists immediately\n\n        if (mediaChange && this.loadedPlaylists_[playlist.id] && this.loadedPlaylists_[playlist.id].endList) {\n          this.state = 'HAVE_METADATA';\n          this.media_ = playlist; // trigger media change if the active media has been updated\n\n          if (mediaChange) {\n            this.trigger('mediachanging');\n            this.trigger('mediachange');\n          }\n\n          return;\n        } // switching to the active playlist is a no-op\n\n\n        if (!mediaChange) {\n          return;\n        } // switching from an already loaded playlist\n\n\n        if (this.media_) {\n          this.trigger('mediachanging');\n        }\n\n        if (!playlist.sidx) {\n          // Continue asynchronously if there is no sidx\n          // wait one tick to allow haveMaster to run first on a child loader\n          this.mediaRequest_ = window$3.setTimeout(this.haveMetadata.bind(this, {\n            startingState: startingState,\n            playlist: playlist\n          }), 0); // exit early and don't do sidx work\n\n          return;\n        } // we have sidx mappings\n\n\n        var oldMaster = void 0;\n        var sidxMapping = void 0; // sidxMapping is used when parsing the masterXml, so store\n        // it on the masterPlaylistLoader\n\n        if (this.masterPlaylistLoader_) {\n          oldMaster = this.masterPlaylistLoader_.master;\n          sidxMapping = this.masterPlaylistLoader_.sidxMapping_;\n        } else {\n          oldMaster = this.master;\n          sidxMapping = this.sidxMapping_;\n        }\n\n        var sidxKey = generateSidxKey(playlist.sidx);\n        sidxMapping[sidxKey] = {\n          sidxInfo: playlist.sidx\n        };\n        this.request = requestSidx_(playlist.sidx, playlist, this.hls_.xhr, {\n          handleManifestRedirects: this.handleManifestRedirects\n        }, this.sidxRequestFinished_(playlist, oldMaster, startingState, function (newMaster, sidx) {\n          if (!newMaster || !sidx) {\n            throw new Error('failed to request sidx');\n          } // update loader's sidxMapping with parsed sidx box\n\n\n          sidxMapping[sidxKey].sidx = sidx; // everything is ready just continue to haveMetadata\n\n          _this3.haveMetadata({\n            startingState: startingState,\n            playlist: newMaster.playlists[playlist.id]\n          });\n        }));\n      }\n    }, {\n      key: 'haveMetadata',\n      value: function haveMetadata(_ref) {\n        var startingState = _ref.startingState,\n            playlist = _ref.playlist;\n        this.state = 'HAVE_METADATA';\n        this.loadedPlaylists_[playlist.id] = playlist;\n        this.mediaRequest_ = null; // This will trigger loadedplaylist\n\n        this.refreshMedia_(playlist.id); // fire loadedmetadata the first time a media playlist is loaded\n        // to resolve setup of media groups\n\n        if (startingState === 'HAVE_MASTER') {\n          this.trigger('loadedmetadata');\n        } else {\n          // trigger media change if the active media has been updated\n          this.trigger('mediachange');\n        }\n      }\n    }, {\n      key: 'pause',\n      value: function pause() {\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n\n        if (this.state === 'HAVE_NOTHING') {\n          // If we pause the loader before any data has been retrieved, its as if we never\n          // started, so reset to an unstarted state.\n          this.started = false;\n        }\n      }\n    }, {\n      key: 'load',\n      value: function load(isFinalRendition) {\n        var _this4 = this;\n\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n        var media = this.media();\n\n        if (isFinalRendition) {\n          var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            return _this4.load();\n          }, delay);\n          return;\n        } // because the playlists are internal to the manifest, load should either load the\n        // main manifest, or do nothing but trigger an event\n\n\n        if (!this.started) {\n          this.start();\n          return;\n        }\n\n        if (media && !media.endList) {\n          this.trigger('mediaupdatetimeout');\n        } else {\n          this.trigger('loadedplaylist');\n        }\n      }\n      /**\n       * Parses the master xml string and updates playlist uri references\n       *\n       * @return {Object}\n       *         The parsed mpd manifest object\n       */\n\n    }, {\n      key: 'parseMasterXml',\n      value: function parseMasterXml() {\n        var master = parse(this.masterXml_, {\n          manifestUri: this.srcUrl,\n          clientOffset: this.clientOffset_,\n          sidxMapping: this.sidxMapping_\n        });\n        master.uri = this.srcUrl; // Set up phony URIs for the playlists since we won't have external URIs for DASH\n        // but reference playlists by their URI throughout the project\n        // TODO: Should we create the dummy uris in mpd-parser as well (leaning towards yes).\n\n        for (var i = 0; i < master.playlists.length; i++) {\n          var phonyUri = 'placeholder-uri-' + i;\n          master.playlists[i].uri = phonyUri;\n        } // set up phony URIs for the media group playlists since we won't have external\n        // URIs for DASH but reference playlists by their URI throughout the project\n\n\n        forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {\n          if (properties.playlists && properties.playlists.length) {\n            var _phonyUri = 'placeholder-uri-' + mediaType + '-' + groupKey + '-' + labelKey;\n\n            var id = createPlaylistID(0, _phonyUri);\n            properties.playlists[0].uri = _phonyUri;\n            properties.playlists[0].id = id; // setup ID and URI references (URI for backwards compatibility)\n\n            master.playlists[id] = properties.playlists[0];\n            master.playlists[_phonyUri] = properties.playlists[0];\n          }\n        });\n        setupMediaPlaylists(master);\n        resolveMediaGroupUris(master);\n        return master;\n      }\n    }, {\n      key: 'start',\n      value: function start() {\n        var _this5 = this;\n\n        this.started = true; // We don't need to request the master manifest again\n        // Call this asynchronously to match the xhr request behavior below\n\n        if (this.masterPlaylistLoader_) {\n          this.mediaRequest_ = window$3.setTimeout(this.haveMaster_.bind(this), 0);\n          return;\n        } // request the specified URL\n\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this5.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this5.request = null;\n\n          if (error) {\n            _this5.error = {\n              status: req.status,\n              message: 'DASH playlist request error at URL: ' + _this5.srcUrl,\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this5.state === 'HAVE_NOTHING') {\n              _this5.started = false;\n            }\n\n            return _this5.trigger('error');\n          }\n\n          _this5.masterXml_ = req.responseText;\n\n          if (req.responseHeaders && req.responseHeaders.date) {\n            _this5.masterLoaded_ = Date.parse(req.responseHeaders.date);\n          } else {\n            _this5.masterLoaded_ = Date.now();\n          }\n\n          _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);\n\n          _this5.syncClientServerClock_(_this5.onClientServerClockSync_.bind(_this5));\n        });\n      }\n      /**\n       * Parses the master xml for UTCTiming node to sync the client clock to the server\n       * clock. If the UTCTiming node requires a HEAD or GET request, that request is made.\n       *\n       * @param {Function} done\n       *        Function to call when clock sync has completed\n       */\n\n    }, {\n      key: 'syncClientServerClock_',\n      value: function syncClientServerClock_(done) {\n        var _this6 = this;\n\n        var utcTiming = parseUTCTiming(this.masterXml_); // No UTCTiming element found in the mpd. Use Date header from mpd request as the\n        // server clock\n\n        if (utcTiming === null) {\n          this.clientOffset_ = this.masterLoaded_ - Date.now();\n          return done();\n        }\n\n        if (utcTiming.method === 'DIRECT') {\n          this.clientOffset_ = utcTiming.value - Date.now();\n          return done();\n        }\n\n        this.request = this.hls_.xhr({\n          uri: resolveUrl$1(this.srcUrl, utcTiming.value),\n          method: utcTiming.method,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this6.request) {\n            return;\n          }\n\n          if (error) {\n            // sync request failed, fall back to using date header from mpd\n            // TODO: log warning\n            _this6.clientOffset_ = _this6.masterLoaded_ - Date.now();\n            return done();\n          }\n\n          var serverTime = void 0;\n\n          if (utcTiming.method === 'HEAD') {\n            if (!req.responseHeaders || !req.responseHeaders.date) {\n              // expected date header not preset, fall back to using date header from mpd\n              // TODO: log warning\n              serverTime = _this6.masterLoaded_;\n            } else {\n              serverTime = Date.parse(req.responseHeaders.date);\n            }\n          } else {\n            serverTime = Date.parse(req.responseText);\n          }\n\n          _this6.clientOffset_ = serverTime - Date.now();\n          done();\n        });\n      }\n    }, {\n      key: 'haveMaster_',\n      value: function haveMaster_() {\n        this.state = 'HAVE_MASTER'; // clear media request\n\n        this.mediaRequest_ = null;\n\n        if (!this.masterPlaylistLoader_) {\n          this.master = this.parseMasterXml(); // We have the master playlist at this point, so\n          // trigger this to allow MasterPlaylistController\n          // to make an initial playlist selection\n\n          this.trigger('loadedplaylist');\n        } else if (!this.media_) {\n          // no media playlist was specifically selected so select\n          // the one the child playlist loader was created with\n          this.media(this.childPlaylist_);\n        }\n      }\n      /**\n       * Handler for after client/server clock synchronization has happened. Sets up\n       * xml refresh timer if specificed by the manifest.\n       */\n\n    }, {\n      key: 'onClientServerClockSync_',\n      value: function onClientServerClockSync_() {\n        var _this7 = this;\n\n        this.haveMaster_();\n\n        if (!this.hasPendingRequest() && !this.media_) {\n          this.media(this.master.playlists[0]);\n        } // TODO: minimumUpdatePeriod can have a value of 0. Currently the manifest will not\n        // be refreshed when this is the case. The inter-op guide says that when the\n        // minimumUpdatePeriod is 0, the manifest should outline all currently available\n        // segments, but future segments may require an update. I think a good solution\n        // would be to update the manifest at the same rate that the media playlists\n        // are \"refreshed\", i.e. every targetDuration.\n\n\n        if (this.master && this.master.minimumUpdatePeriod) {\n          this.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n            _this7.trigger('minimumUpdatePeriod');\n          }, this.master.minimumUpdatePeriod);\n        }\n      }\n      /**\n       * Sends request to refresh the master xml and updates the parsed master manifest\n       * TODO: Does the client offset need to be recalculated when the xml is refreshed?\n       */\n\n    }, {\n      key: 'refreshXml_',\n      value: function refreshXml_() {\n        var _this8 = this; // The srcUrl here *may* need to pass through handleManifestsRedirects when\n        // sidx is implemented\n\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this8.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this8.request = null;\n\n          if (error) {\n            _this8.error = {\n              status: req.status,\n              message: 'DASH playlist request error at URL: ' + _this8.srcUrl,\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this8.state === 'HAVE_NOTHING') {\n              _this8.started = false;\n            }\n\n            return _this8.trigger('error');\n          }\n\n          _this8.masterXml_ = req.responseText; // This will filter out updated sidx info from the mapping\n\n          _this8.sidxMapping_ = filterChangedSidxMappings(_this8.masterXml_, _this8.srcUrl, _this8.clientOffset_, _this8.sidxMapping_);\n\n          var master = _this8.parseMasterXml();\n\n          var updatedMaster = updateMaster$1(_this8.master, master);\n\n          var currentSidxInfo = _this8.media().sidx;\n\n          if (updatedMaster) {\n            if (currentSidxInfo) {\n              var sidxKey = generateSidxKey(currentSidxInfo); // the sidx was updated, so the previous mapping was removed\n\n              if (!_this8.sidxMapping_[sidxKey]) {\n                var playlist = _this8.media();\n\n                _this8.request = requestSidx_(playlist.sidx, playlist, _this8.hls_.xhr, {\n                  handleManifestRedirects: _this8.handleManifestRedirects\n                }, _this8.sidxRequestFinished_(playlist, master, _this8.state, function (newMaster, sidx) {\n                  if (!newMaster || !sidx) {\n                    throw new Error('failed to request sidx on minimumUpdatePeriod');\n                  } // update loader's sidxMapping with parsed sidx box\n\n\n                  _this8.sidxMapping_[sidxKey].sidx = sidx;\n                  _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n                    _this8.trigger('minimumUpdatePeriod');\n                  }, _this8.master.minimumUpdatePeriod); // TODO: do we need to reload the current playlist?\n\n                  _this8.refreshMedia_(_this8.media().id);\n\n                  return;\n                }));\n              }\n            } else {\n              _this8.master = updatedMaster;\n            }\n          }\n\n          _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n            _this8.trigger('minimumUpdatePeriod');\n          }, _this8.master.minimumUpdatePeriod);\n        });\n      }\n      /**\n       * Refreshes the media playlist by re-parsing the master xml and updating playlist\n       * references. If this is an alternate loader, the updated parsed manifest is retrieved\n       * from the master loader.\n       */\n\n    }, {\n      key: 'refreshMedia_',\n      value: function refreshMedia_(mediaID) {\n        var _this9 = this;\n\n        if (!mediaID) {\n          throw new Error('refreshMedia_ must take a media id');\n        }\n\n        var oldMaster = void 0;\n        var newMaster = void 0;\n\n        if (this.masterPlaylistLoader_) {\n          oldMaster = this.masterPlaylistLoader_.master;\n          newMaster = this.masterPlaylistLoader_.parseMasterXml();\n        } else {\n          oldMaster = this.master;\n          newMaster = this.parseMasterXml();\n        }\n\n        var updatedMaster = updateMaster$1(oldMaster, newMaster);\n\n        if (updatedMaster) {\n          if (this.masterPlaylistLoader_) {\n            this.masterPlaylistLoader_.master = updatedMaster;\n          } else {\n            this.master = updatedMaster;\n          }\n\n          this.media_ = updatedMaster.playlists[mediaID];\n        } else {\n          this.media_ = newMaster.playlists[mediaID];\n          this.trigger('playlistunchanged');\n        }\n\n        if (!this.media().endList) {\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            _this9.trigger('mediaupdatetimeout');\n          }, refreshDelay(this.media(), !!updatedMaster));\n        }\n\n        this.trigger('loadedplaylist');\n      }\n    }]);\n    return DashPlaylistLoader;\n  }(EventTarget$1$1);\n\n  var logger = function logger(source) {\n    if (videojs$1.log.debug) {\n      return videojs$1.log.debug.bind(videojs$1, 'VHS:', source + ' >');\n    }\n\n    return function () {};\n  };\n\n  function noop$1() {}\n  /**\n   * @file source-updater.js\n   */\n\n  /**\n   * A queue of callbacks to be serialized and applied when a\n   * MediaSource and its associated SourceBuffers are not in the\n   * updating state. It is used by the segment loader to update the\n   * underlying SourceBuffers when new data is loaded, for instance.\n   *\n   * @class SourceUpdater\n   * @param {MediaSource} mediaSource the MediaSource to create the\n   * SourceBuffer from\n   * @param {String} mimeType the desired MIME type of the underlying\n   * SourceBuffer\n   * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer is\n   * added to the media source\n   */\n\n\n  var SourceUpdater = function () {\n    function SourceUpdater(mediaSource, mimeType, type, sourceBufferEmitter) {\n      classCallCheck$1(this, SourceUpdater);\n      this.callbacks_ = [];\n      this.pendingCallback_ = null;\n      this.timestampOffset_ = 0;\n      this.mediaSource = mediaSource;\n      this.processedAppend_ = false;\n      this.type_ = type;\n      this.mimeType_ = mimeType;\n      this.logger_ = logger('SourceUpdater[' + type + '][' + mimeType + ']');\n\n      if (mediaSource.readyState === 'closed') {\n        mediaSource.addEventListener('sourceopen', this.createSourceBuffer_.bind(this, mimeType, sourceBufferEmitter));\n      } else {\n        this.createSourceBuffer_(mimeType, sourceBufferEmitter);\n      }\n    }\n\n    createClass$1(SourceUpdater, [{\n      key: 'createSourceBuffer_',\n      value: function createSourceBuffer_(mimeType, sourceBufferEmitter) {\n        var _this = this;\n\n        this.sourceBuffer_ = this.mediaSource.addSourceBuffer(mimeType);\n        this.logger_('created SourceBuffer');\n\n        if (sourceBufferEmitter) {\n          sourceBufferEmitter.trigger('sourcebufferadded');\n\n          if (this.mediaSource.sourceBuffers.length < 2) {\n            // There's another source buffer we must wait for before we can start updating\n            // our own (or else we can get into a bad state, i.e., appending video/audio data\n            // before the other video/audio source buffer is available and leading to a video\n            // or audio only buffer).\n            sourceBufferEmitter.on('sourcebufferadded', function () {\n              _this.start_();\n            });\n            return;\n          }\n        }\n\n        this.start_();\n      }\n    }, {\n      key: 'start_',\n      value: function start_() {\n        var _this2 = this;\n\n        this.started_ = true; // run completion handlers and process callbacks as updateend\n        // events fire\n\n        this.onUpdateendCallback_ = function () {\n          var pendingCallback = _this2.pendingCallback_;\n          _this2.pendingCallback_ = null;\n          _this2.sourceBuffer_.removing = false;\n\n          _this2.logger_('buffered [' + printableRange(_this2.buffered()) + ']');\n\n          if (pendingCallback) {\n            pendingCallback();\n          }\n\n          _this2.runCallback_();\n        };\n\n        this.sourceBuffer_.addEventListener('updateend', this.onUpdateendCallback_);\n        this.runCallback_();\n      }\n      /**\n       * Aborts the current segment and resets the segment parser.\n       *\n       * @param {Function} done function to call when done\n       * @see http://w3c.github.io/media-source/#widl-SourceBuffer-abort-void\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort(done) {\n        var _this3 = this;\n\n        if (this.processedAppend_) {\n          this.queueCallback_(function () {\n            _this3.sourceBuffer_.abort();\n          }, done);\n        }\n      }\n      /**\n       * Queue an update to append an ArrayBuffer.\n       *\n       * @param {ArrayBuffer} bytes\n       * @param {Function} done the function to call when done\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-appendBuffer-void-ArrayBuffer-data\n       */\n\n    }, {\n      key: 'appendBuffer',\n      value: function appendBuffer(config, done) {\n        var _this4 = this;\n\n        this.processedAppend_ = true;\n        this.queueCallback_(function () {\n          if (config.videoSegmentTimingInfoCallback) {\n            _this4.sourceBuffer_.addEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);\n          }\n\n          _this4.sourceBuffer_.appendBuffer(config.bytes);\n        }, function () {\n          if (config.videoSegmentTimingInfoCallback) {\n            _this4.sourceBuffer_.removeEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);\n          }\n\n          done();\n        });\n      }\n      /**\n       * Indicates what TimeRanges are buffered in the managed SourceBuffer.\n       *\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-buffered\n       */\n\n    }, {\n      key: 'buffered',\n      value: function buffered() {\n        if (!this.sourceBuffer_) {\n          return videojs$1.createTimeRanges();\n        }\n\n        return this.sourceBuffer_.buffered;\n      }\n      /**\n       * Queue an update to remove a time range from the buffer.\n       *\n       * @param {Number} start where to start the removal\n       * @param {Number} end where to end the removal\n       * @param {Function} [done=noop] optional callback to be executed when the remove\n       * operation is complete\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-remove-void-double-start-unrestricted-double-end\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        var _this5 = this;\n\n        var done = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop$1;\n\n        if (this.processedAppend_) {\n          this.queueCallback_(function () {\n            _this5.logger_('remove [' + start + ' => ' + end + ']');\n\n            _this5.sourceBuffer_.removing = true;\n\n            _this5.sourceBuffer_.remove(start, end);\n          }, done);\n        }\n      }\n      /**\n       * Whether the underlying sourceBuffer is updating or not\n       *\n       * @return {Boolean} the updating status of the SourceBuffer\n       */\n\n    }, {\n      key: 'updating',\n      value: function updating() {\n        // we are updating if the sourcebuffer is updating or\n        return !this.sourceBuffer_ || this.sourceBuffer_.updating || // if we have a pending callback that is not our internal noop\n        !!this.pendingCallback_ && this.pendingCallback_ !== noop$1;\n      }\n      /**\n       * Set/get the timestampoffset on the SourceBuffer\n       *\n       * @return {Number} the timestamp offset\n       */\n\n    }, {\n      key: 'timestampOffset',\n      value: function timestampOffset(offset) {\n        var _this6 = this;\n\n        if (typeof offset !== 'undefined') {\n          this.queueCallback_(function () {\n            _this6.sourceBuffer_.timestampOffset = offset;\n\n            _this6.runCallback_();\n          });\n          this.timestampOffset_ = offset;\n        }\n\n        return this.timestampOffset_;\n      }\n      /**\n       * Queue a callback to run\n       */\n\n    }, {\n      key: 'queueCallback_',\n      value: function queueCallback_(callback, done) {\n        this.callbacks_.push([callback.bind(this), done]);\n        this.runCallback_();\n      }\n      /**\n       * Run a queued callback\n       */\n\n    }, {\n      key: 'runCallback_',\n      value: function runCallback_() {\n        var callbacks = void 0;\n\n        if (!this.updating() && this.callbacks_.length && this.started_) {\n          callbacks = this.callbacks_.shift();\n          this.pendingCallback_ = callbacks[1];\n          callbacks[0]();\n        }\n      }\n      /**\n       * dispose of the source updater and the underlying sourceBuffer\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        var _this7 = this;\n\n        var disposeFn = function disposeFn() {\n          if (_this7.sourceBuffer_ && _this7.mediaSource.readyState === 'open') {\n            _this7.sourceBuffer_.abort();\n          }\n\n          _this7.sourceBuffer_.removeEventListener('updateend', disposeFn);\n        };\n\n        this.sourceBuffer_.removeEventListener('updateend', this.onUpdateendCallback_);\n\n        if (this.sourceBuffer_.removing) {\n          this.sourceBuffer_.addEventListener('updateend', disposeFn);\n        } else {\n          disposeFn();\n        }\n      }\n    }]);\n    return SourceUpdater;\n  }();\n\n  var Config = {\n    GOAL_BUFFER_LENGTH: 30,\n    MAX_GOAL_BUFFER_LENGTH: 60,\n    GOAL_BUFFER_LENGTH_RATE: 1,\n    // 0.5 MB/s\n    INITIAL_BANDWIDTH: 4194304,\n    // A fudge factor to apply to advertised playlist bitrates to account for\n    // temporary flucations in client bandwidth\n    BANDWIDTH_VARIANCE: 1.2,\n    // How much of the buffer must be filled before we consider upswitching\n    BUFFER_LOW_WATER_LINE: 0,\n    MAX_BUFFER_LOW_WATER_LINE: 30,\n    BUFFER_LOW_WATER_LINE_RATE: 1\n  };\n  var REQUEST_ERRORS = {\n    FAILURE: 2,\n    TIMEOUT: -101,\n    ABORTED: -102\n  };\n  /**\n   * Abort all requests\n   *\n   * @param {Object} activeXhrs - an object that tracks all XHR requests\n   */\n\n  var abortAll = function abortAll(activeXhrs) {\n    activeXhrs.forEach(function (xhr) {\n      xhr.abort();\n    });\n  };\n  /**\n   * Gather important bandwidth stats once a request has completed\n   *\n   * @param {Object} request - the XHR request from which to gather stats\n   */\n\n\n  var getRequestStats = function getRequestStats(request) {\n    return {\n      bandwidth: request.bandwidth,\n      bytesReceived: request.bytesReceived || 0,\n      roundTripTime: request.roundTripTime || 0\n    };\n  };\n  /**\n   * If possible gather bandwidth stats as a request is in\n   * progress\n   *\n   * @param {Event} progressEvent - an event object from an XHR's progress event\n   */\n\n\n  var getProgressStats = function getProgressStats(progressEvent) {\n    var request = progressEvent.target;\n    var roundTripTime = Date.now() - request.requestTime;\n    var stats = {\n      bandwidth: Infinity,\n      bytesReceived: 0,\n      roundTripTime: roundTripTime || 0\n    };\n    stats.bytesReceived = progressEvent.loaded; // This can result in Infinity if stats.roundTripTime is 0 but that is ok\n    // because we should only use bandwidth stats on progress to determine when\n    // abort a request early due to insufficient bandwidth\n\n    stats.bandwidth = Math.floor(stats.bytesReceived / stats.roundTripTime * 8 * 1000);\n    return stats;\n  };\n  /**\n   * Handle all error conditions in one place and return an object\n   * with all the information\n   *\n   * @param {Error|null} error - if non-null signals an error occured with the XHR\n   * @param {Object} request -  the XHR request that possibly generated the error\n   */\n\n\n  var handleErrors = function handleErrors(error, request) {\n    if (request.timedout) {\n      return {\n        status: request.status,\n        message: 'HLS request timed-out at URL: ' + request.uri,\n        code: REQUEST_ERRORS.TIMEOUT,\n        xhr: request\n      };\n    }\n\n    if (request.aborted) {\n      return {\n        status: request.status,\n        message: 'HLS request aborted at URL: ' + request.uri,\n        code: REQUEST_ERRORS.ABORTED,\n        xhr: request\n      };\n    }\n\n    if (error) {\n      return {\n        status: request.status,\n        message: 'HLS request errored at URL: ' + request.uri,\n        code: REQUEST_ERRORS.FAILURE,\n        xhr: request\n      };\n    }\n\n    return null;\n  };\n  /**\n   * Handle responses for key data and convert the key data to the correct format\n   * for the decryption step later\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleKeyResponse = function handleKeyResponse(segment, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      }\n\n      if (response.byteLength !== 16) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Invalid HLS key at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      var view = new DataView(response);\n      segment.key.bytes = new Uint32Array([view.getUint32(0), view.getUint32(4), view.getUint32(8), view.getUint32(12)]);\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Handle init-segment responses\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleInitSegmentResponse = function handleInitSegmentResponse(segment, captionParser, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      } // stop processing if received empty content\n\n\n      if (response.byteLength === 0) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Empty HLS segment content at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      segment.map.bytes = new Uint8Array(request.response); // Initialize CaptionParser if it hasn't been yet\n\n      if (captionParser && !captionParser.isInitialized()) {\n        captionParser.init();\n      }\n\n      segment.map.timescales = probe.timescale(segment.map.bytes);\n      segment.map.videoTrackIds = probe.videoTrackIds(segment.map.bytes);\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Response handler for segment-requests being sure to set the correct\n   * property depending on whether the segment is encryped or not\n   * Also records and keeps track of stats that are used for ABR purposes\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleSegmentResponse = function handleSegmentResponse(segment, captionParser, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n      var parsed = void 0;\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      } // stop processing if received empty content\n\n\n      if (response.byteLength === 0) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Empty HLS segment content at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      segment.stats = getRequestStats(request);\n\n      if (segment.key) {\n        segment.encryptedBytes = new Uint8Array(request.response);\n      } else {\n        segment.bytes = new Uint8Array(request.response);\n      } // This is likely an FMP4 and has the init segment.\n      // Run through the CaptionParser in case there are captions.\n\n\n      if (captionParser && segment.map && segment.map.bytes) {\n        // Initialize CaptionParser if it hasn't been yet\n        if (!captionParser.isInitialized()) {\n          captionParser.init();\n        }\n\n        parsed = captionParser.parse(segment.bytes, segment.map.videoTrackIds, segment.map.timescales);\n\n        if (parsed && parsed.captions) {\n          segment.captionStreams = parsed.captionStreams;\n          segment.fmp4Captions = parsed.captions;\n        }\n      }\n\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Decrypt the segment via the decryption web worker\n   *\n   * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} doneFn - a callback that is executed after decryption has completed\n   */\n\n\n  var decryptSegment = function decryptSegment(decrypter, segment, doneFn) {\n    var decryptionHandler = function decryptionHandler(event) {\n      if (event.data.source === segment.requestId) {\n        decrypter.removeEventListener('message', decryptionHandler);\n        var decrypted = event.data.decrypted;\n        segment.bytes = new Uint8Array(decrypted.bytes, decrypted.byteOffset, decrypted.byteLength);\n        return doneFn(null, segment);\n      }\n    };\n\n    decrypter.addEventListener('message', decryptionHandler);\n    var keyBytes = void 0;\n\n    if (segment.key.bytes.slice) {\n      keyBytes = segment.key.bytes.slice();\n    } else {\n      keyBytes = new Uint32Array(Array.prototype.slice.call(segment.key.bytes));\n    } // this is an encrypted segment\n    // incrementally decrypt the segment\n\n\n    decrypter.postMessage(createTransferableMessage({\n      source: segment.requestId,\n      encrypted: segment.encryptedBytes,\n      key: keyBytes,\n      iv: segment.key.iv\n    }), [segment.encryptedBytes.buffer, keyBytes.buffer]);\n  };\n  /**\n   * This function waits for all XHRs to finish (with either success or failure)\n   * before continueing processing via it's callback. The function gathers errors\n   * from each request into a single errors array so that the error status for\n   * each request can be examined later.\n   *\n   * @param {Object} activeXhrs - an object that tracks all XHR requests\n   * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines\n   * @param {Function} doneFn - a callback that is executed after all resources have been\n   *                            downloaded and any decryption completed\n   */\n\n\n  var waitForCompletion = function waitForCompletion(activeXhrs, decrypter, doneFn) {\n    var count = 0;\n    var didError = false;\n    return function (error, segment) {\n      if (didError) {\n        return;\n      }\n\n      if (error) {\n        didError = true; // If there are errors, we have to abort any outstanding requests\n\n        abortAll(activeXhrs); // Even though the requests above are aborted, and in theory we could wait until we\n        // handle the aborted events from those requests, there are some cases where we may\n        // never get an aborted event. For instance, if the network connection is lost and\n        // there were two requests, the first may have triggered an error immediately, while\n        // the second request remains unsent. In that case, the aborted algorithm will not\n        // trigger an abort: see https://xhr.spec.whatwg.org/#the-abort()-method\n        //\n        // We also can't rely on the ready state of the XHR, since the request that\n        // triggered the connection error may also show as a ready state of 0 (unsent).\n        // Therefore, we have to finish this group of requests immediately after the first\n        // seen error.\n\n        return doneFn(error, segment);\n      }\n\n      count += 1;\n\n      if (count === activeXhrs.length) {\n        // Keep track of when *all* of the requests have completed\n        segment.endOfAllRequests = Date.now();\n\n        if (segment.encryptedBytes) {\n          return decryptSegment(decrypter, segment, doneFn);\n        } // Otherwise, everything is ready just continue\n\n\n        return doneFn(null, segment);\n      }\n    };\n  };\n  /**\n   * Simple progress event callback handler that gathers some stats before\n   * executing a provided callback with the `segment` object\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} progressFn - a callback that is executed each time a progress event\n   *                                is received\n   * @param {Event} event - the progress event object from XMLHttpRequest\n   */\n\n\n  var handleProgress = function handleProgress(segment, progressFn) {\n    return function (event) {\n      segment.stats = videojs$1.mergeOptions(segment.stats, getProgressStats(event)); // record the time that we receive the first byte of data\n\n      if (!segment.stats.firstBytesReceivedAt && segment.stats.bytesReceived) {\n        segment.stats.firstBytesReceivedAt = Date.now();\n      }\n\n      return progressFn(event, segment);\n    };\n  };\n  /**\n   * Load all resources and does any processing necessary for a media-segment\n   *\n   * Features:\n   *   decrypts the media-segment if it has a key uri and an iv\n   *   aborts *all* requests if *any* one request fails\n   *\n   * The segment object, at minimum, has the following format:\n   * {\n   *   resolvedUri: String,\n   *   [byterange]: {\n   *     offset: Number,\n   *     length: Number\n   *   },\n   *   [key]: {\n   *     resolvedUri: String\n   *     [byterange]: {\n   *       offset: Number,\n   *       length: Number\n   *     },\n   *     iv: {\n   *       bytes: Uint32Array\n   *     }\n   *   },\n   *   [map]: {\n   *     resolvedUri: String,\n   *     [byterange]: {\n   *       offset: Number,\n   *       length: Number\n   *     },\n   *     [bytes]: Uint8Array\n   *   }\n   * }\n   * ...where [name] denotes optional properties\n   *\n   * @param {Function} xhr - an instance of the xhr wrapper in xhr.js\n   * @param {Object} xhrOptions - the base options to provide to all xhr requests\n   * @param {WebWorker} decryptionWorker - a WebWorker interface to AES-128\n   *                                       decryption routines\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} progressFn - a callback that receives progress events from the main\n   *                                segment's xhr request\n   * @param {Function} doneFn - a callback that is executed only once all requests have\n   *                            succeeded or failed\n   * @returns {Function} a function that, when invoked, immediately aborts all\n   *                     outstanding requests\n   */\n\n\n  var mediaSegmentRequest = function mediaSegmentRequest(xhr, xhrOptions, decryptionWorker, captionParser, segment, progressFn, doneFn) {\n    var activeXhrs = [];\n    var finishProcessingFn = waitForCompletion(activeXhrs, decryptionWorker, doneFn); // optionally, request the decryption key\n\n    if (segment.key && !segment.key.bytes) {\n      var keyRequestOptions = videojs$1.mergeOptions(xhrOptions, {\n        uri: segment.key.resolvedUri,\n        responseType: 'arraybuffer'\n      });\n      var keyRequestCallback = handleKeyResponse(segment, finishProcessingFn);\n      var keyXhr = xhr(keyRequestOptions, keyRequestCallback);\n      activeXhrs.push(keyXhr);\n    } // optionally, request the associated media init segment\n\n\n    if (segment.map && !segment.map.bytes) {\n      var initSegmentOptions = videojs$1.mergeOptions(xhrOptions, {\n        uri: segment.map.resolvedUri,\n        responseType: 'arraybuffer',\n        headers: segmentXhrHeaders(segment.map)\n      });\n      var initSegmentRequestCallback = handleInitSegmentResponse(segment, captionParser, finishProcessingFn);\n      var initSegmentXhr = xhr(initSegmentOptions, initSegmentRequestCallback);\n      activeXhrs.push(initSegmentXhr);\n    }\n\n    var segmentRequestOptions = videojs$1.mergeOptions(xhrOptions, {\n      uri: segment.resolvedUri,\n      responseType: 'arraybuffer',\n      headers: segmentXhrHeaders(segment)\n    });\n    var segmentRequestCallback = handleSegmentResponse(segment, captionParser, finishProcessingFn);\n    var segmentXhr = xhr(segmentRequestOptions, segmentRequestCallback);\n    segmentXhr.addEventListener('progress', handleProgress(segment, progressFn));\n    activeXhrs.push(segmentXhr);\n    return function () {\n      return abortAll(activeXhrs);\n    };\n  }; // Utilities\n\n  /**\n   * Returns the CSS value for the specified property on an element\n   * using `getComputedStyle`. Firefox has a long-standing issue where\n   * getComputedStyle() may return null when running in an iframe with\n   * `display: none`.\n   *\n   * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n   * @param {HTMLElement} el the htmlelement to work on\n   * @param {string} the proprety to get the style for\n   */\n\n\n  var safeGetComputedStyle = function safeGetComputedStyle(el, property) {\n    var result = void 0;\n\n    if (!el) {\n      return '';\n    }\n\n    result = window$3.getComputedStyle(el);\n\n    if (!result) {\n      return '';\n    }\n\n    return result[property];\n  };\n  /**\n   * Resuable stable sort function\n   *\n   * @param {Playlists} array\n   * @param {Function} sortFn Different comparators\n   * @function stableSort\n   */\n\n\n  var stableSort = function stableSort(array, sortFn) {\n    var newArray = array.slice();\n    array.sort(function (left, right) {\n      var cmp = sortFn(left, right);\n\n      if (cmp === 0) {\n        return newArray.indexOf(left) - newArray.indexOf(right);\n      }\n\n      return cmp;\n    });\n  };\n  /**\n   * A comparator function to sort two playlist object by bandwidth.\n   *\n   * @param {Object} left a media playlist object\n   * @param {Object} right a media playlist object\n   * @return {Number} Greater than zero if the bandwidth attribute of\n   * left is greater than the corresponding attribute of right. Less\n   * than zero if the bandwidth of right is greater than left and\n   * exactly zero if the two are equal.\n   */\n\n\n  var comparePlaylistBandwidth = function comparePlaylistBandwidth(left, right) {\n    var leftBandwidth = void 0;\n    var rightBandwidth = void 0;\n\n    if (left.attributes.BANDWIDTH) {\n      leftBandwidth = left.attributes.BANDWIDTH;\n    }\n\n    leftBandwidth = leftBandwidth || window$3.Number.MAX_VALUE;\n\n    if (right.attributes.BANDWIDTH) {\n      rightBandwidth = right.attributes.BANDWIDTH;\n    }\n\n    rightBandwidth = rightBandwidth || window$3.Number.MAX_VALUE;\n    return leftBandwidth - rightBandwidth;\n  };\n  /**\n   * A comparator function to sort two playlist object by resolution (width).\n   * @param {Object} left a media playlist object\n   * @param {Object} right a media playlist object\n   * @return {Number} Greater than zero if the resolution.width attribute of\n   * left is greater than the corresponding attribute of right. Less\n   * than zero if the resolution.width of right is greater than left and\n   * exactly zero if the two are equal.\n   */\n\n\n  var comparePlaylistResolution = function comparePlaylistResolution(left, right) {\n    var leftWidth = void 0;\n    var rightWidth = void 0;\n\n    if (left.attributes.RESOLUTION && left.attributes.RESOLUTION.width) {\n      leftWidth = left.attributes.RESOLUTION.width;\n    }\n\n    leftWidth = leftWidth || window$3.Number.MAX_VALUE;\n\n    if (right.attributes.RESOLUTION && right.attributes.RESOLUTION.width) {\n      rightWidth = right.attributes.RESOLUTION.width;\n    }\n\n    rightWidth = rightWidth || window$3.Number.MAX_VALUE; // NOTE - Fallback to bandwidth sort as appropriate in cases where multiple renditions\n    // have the same media dimensions/ resolution\n\n    if (leftWidth === rightWidth && left.attributes.BANDWIDTH && right.attributes.BANDWIDTH) {\n      return left.attributes.BANDWIDTH - right.attributes.BANDWIDTH;\n    }\n\n    return leftWidth - rightWidth;\n  };\n  /**\n   * Chooses the appropriate media playlist based on bandwidth and player size\n   *\n   * @param {Object} master\n   *        Object representation of the master manifest\n   * @param {Number} playerBandwidth\n   *        Current calculated bandwidth of the player\n   * @param {Number} playerWidth\n   *        Current width of the player element\n   * @param {Number} playerHeight\n   *        Current height of the player element\n   * @param {Boolean} limitRenditionByPlayerDimensions\n   *        True if the player width and height should be used during the selection, false otherwise\n   * @return {Playlist} the highest bitrate playlist less than the\n   * currently detected bandwidth, accounting for some amount of\n   * bandwidth variance\n   */\n\n\n  var simpleSelector = function simpleSelector(master, playerBandwidth, playerWidth, playerHeight, limitRenditionByPlayerDimensions) {\n    // convert the playlists to an intermediary representation to make comparisons easier\n    var sortedPlaylistReps = master.playlists.map(function (playlist) {\n      var width = void 0;\n      var height = void 0;\n      var bandwidth = void 0;\n      width = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.width;\n      height = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.height;\n      bandwidth = playlist.attributes.BANDWIDTH;\n      bandwidth = bandwidth || window$3.Number.MAX_VALUE;\n      return {\n        bandwidth: bandwidth,\n        width: width,\n        height: height,\n        playlist: playlist\n      };\n    });\n    stableSort(sortedPlaylistReps, function (left, right) {\n      return left.bandwidth - right.bandwidth;\n    }); // filter out any playlists that have been excluded due to\n    // incompatible configurations\n\n    sortedPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n      return !Playlist.isIncompatible(rep.playlist);\n    }); // filter out any playlists that have been disabled manually through the representations\n    // api or blacklisted temporarily due to playback errors.\n\n    var enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n      return Playlist.isEnabled(rep.playlist);\n    });\n\n    if (!enabledPlaylistReps.length) {\n      // if there are no enabled playlists, then they have all been blacklisted or disabled\n      // by the user through the representations api. In this case, ignore blacklisting and\n      // fallback to what the user wants by using playlists the user has not disabled.\n      enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n        return !Playlist.isDisabled(rep.playlist);\n      });\n    } // filter out any variant that has greater effective bitrate\n    // than the current estimated bandwidth\n\n\n    var bandwidthPlaylistReps = enabledPlaylistReps.filter(function (rep) {\n      return rep.bandwidth * Config.BANDWIDTH_VARIANCE < playerBandwidth;\n    });\n    var highestRemainingBandwidthRep = bandwidthPlaylistReps[bandwidthPlaylistReps.length - 1]; // get all of the renditions with the same (highest) bandwidth\n    // and then taking the very first element\n\n    var bandwidthBestRep = bandwidthPlaylistReps.filter(function (rep) {\n      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n    })[0]; // if we're not going to limit renditions by player size, make an early decision.\n\n    if (limitRenditionByPlayerDimensions === false) {\n      var _chosenRep = bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];\n\n      return _chosenRep ? _chosenRep.playlist : null;\n    } // filter out playlists without resolution information\n\n\n    var haveResolution = bandwidthPlaylistReps.filter(function (rep) {\n      return rep.width && rep.height;\n    }); // sort variants by resolution\n\n    stableSort(haveResolution, function (left, right) {\n      return left.width - right.width;\n    }); // if we have the exact resolution as the player use it\n\n    var resolutionBestRepList = haveResolution.filter(function (rep) {\n      return rep.width === playerWidth && rep.height === playerHeight;\n    });\n    highestRemainingBandwidthRep = resolutionBestRepList[resolutionBestRepList.length - 1]; // ensure that we pick the highest bandwidth variant that have exact resolution\n\n    var resolutionBestRep = resolutionBestRepList.filter(function (rep) {\n      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n    })[0];\n    var resolutionPlusOneList = void 0;\n    var resolutionPlusOneSmallest = void 0;\n    var resolutionPlusOneRep = void 0; // find the smallest variant that is larger than the player\n    // if there is no match of exact resolution\n\n    if (!resolutionBestRep) {\n      resolutionPlusOneList = haveResolution.filter(function (rep) {\n        return rep.width > playerWidth || rep.height > playerHeight;\n      }); // find all the variants have the same smallest resolution\n\n      resolutionPlusOneSmallest = resolutionPlusOneList.filter(function (rep) {\n        return rep.width === resolutionPlusOneList[0].width && rep.height === resolutionPlusOneList[0].height;\n      }); // ensure that we also pick the highest bandwidth variant that\n      // is just-larger-than the video player\n\n      highestRemainingBandwidthRep = resolutionPlusOneSmallest[resolutionPlusOneSmallest.length - 1];\n      resolutionPlusOneRep = resolutionPlusOneSmallest.filter(function (rep) {\n        return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n      })[0];\n    } // fallback chain of variants\n\n\n    var chosenRep = resolutionPlusOneRep || resolutionBestRep || bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];\n    return chosenRep ? chosenRep.playlist : null;\n  }; // Playlist Selectors\n\n  /**\n   * Chooses the appropriate media playlist based on the most recent\n   * bandwidth estimate and the player size.\n   *\n   * Expects to be called within the context of an instance of HlsHandler\n   *\n   * @return {Playlist} the highest bitrate playlist less than the\n   * currently detected bandwidth, accounting for some amount of\n   * bandwidth variance\n   */\n\n\n  var lastBandwidthSelector = function lastBandwidthSelector() {\n    return simpleSelector(this.playlists.master, this.systemBandwidth, parseInt(safeGetComputedStyle(this.tech_.el(), 'width'), 10), parseInt(safeGetComputedStyle(this.tech_.el(), 'height'), 10), this.limitRenditionByPlayerDimensions);\n  };\n  /**\n   * Chooses the appropriate media playlist based on the potential to rebuffer\n   *\n   * @param {Object} settings\n   *        Object of information required to use this selector\n   * @param {Object} settings.master\n   *        Object representation of the master manifest\n   * @param {Number} settings.currentTime\n   *        The current time of the player\n   * @param {Number} settings.bandwidth\n   *        Current measured bandwidth\n   * @param {Number} settings.duration\n   *        Duration of the media\n   * @param {Number} settings.segmentDuration\n   *        Segment duration to be used in round trip time calculations\n   * @param {Number} settings.timeUntilRebuffer\n   *        Time left in seconds until the player has to rebuffer\n   * @param {Number} settings.currentTimeline\n   *        The current timeline segments are being loaded from\n   * @param {SyncController} settings.syncController\n   *        SyncController for determining if we have a sync point for a given playlist\n   * @return {Object|null}\n   *         {Object} return.playlist\n   *         The highest bandwidth playlist with the least amount of rebuffering\n   *         {Number} return.rebufferingImpact\n   *         The amount of time in seconds switching to this playlist will rebuffer. A\n   *         negative value means that switching will cause zero rebuffering.\n   */\n\n\n  var minRebufferMaxBandwidthSelector = function minRebufferMaxBandwidthSelector(settings) {\n    var master = settings.master,\n        currentTime = settings.currentTime,\n        bandwidth = settings.bandwidth,\n        duration$$1 = settings.duration,\n        segmentDuration = settings.segmentDuration,\n        timeUntilRebuffer = settings.timeUntilRebuffer,\n        currentTimeline = settings.currentTimeline,\n        syncController = settings.syncController; // filter out any playlists that have been excluded due to\n    // incompatible configurations\n\n    var compatiblePlaylists = master.playlists.filter(function (playlist) {\n      return !Playlist.isIncompatible(playlist);\n    }); // filter out any playlists that have been disabled manually through the representations\n    // api or blacklisted temporarily due to playback errors.\n\n    var enabledPlaylists = compatiblePlaylists.filter(Playlist.isEnabled);\n\n    if (!enabledPlaylists.length) {\n      // if there are no enabled playlists, then they have all been blacklisted or disabled\n      // by the user through the representations api. In this case, ignore blacklisting and\n      // fallback to what the user wants by using playlists the user has not disabled.\n      enabledPlaylists = compatiblePlaylists.filter(function (playlist) {\n        return !Playlist.isDisabled(playlist);\n      });\n    }\n\n    var bandwidthPlaylists = enabledPlaylists.filter(Playlist.hasAttribute.bind(null, 'BANDWIDTH'));\n    var rebufferingEstimates = bandwidthPlaylists.map(function (playlist) {\n      var syncPoint = syncController.getSyncPoint(playlist, duration$$1, currentTimeline, currentTime); // If there is no sync point for this playlist, switching to it will require a\n      // sync request first. This will double the request time\n\n      var numRequests = syncPoint ? 1 : 2;\n      var requestTimeEstimate = Playlist.estimateSegmentRequestTime(segmentDuration, bandwidth, playlist);\n      var rebufferingImpact = requestTimeEstimate * numRequests - timeUntilRebuffer;\n      return {\n        playlist: playlist,\n        rebufferingImpact: rebufferingImpact\n      };\n    });\n    var noRebufferingPlaylists = rebufferingEstimates.filter(function (estimate) {\n      return estimate.rebufferingImpact <= 0;\n    }); // Sort by bandwidth DESC\n\n    stableSort(noRebufferingPlaylists, function (a, b) {\n      return comparePlaylistBandwidth(b.playlist, a.playlist);\n    });\n\n    if (noRebufferingPlaylists.length) {\n      return noRebufferingPlaylists[0];\n    }\n\n    stableSort(rebufferingEstimates, function (a, b) {\n      return a.rebufferingImpact - b.rebufferingImpact;\n    });\n    return rebufferingEstimates[0] || null;\n  };\n  /**\n   * Chooses the appropriate media playlist, which in this case is the lowest bitrate\n   * one with video.  If no renditions with video exist, return the lowest audio rendition.\n   *\n   * Expects to be called within the context of an instance of HlsHandler\n   *\n   * @return {Object|null}\n   *         {Object} return.playlist\n   *         The lowest bitrate playlist that contains a video codec.  If no such rendition\n   *         exists pick the lowest audio rendition.\n   */\n\n\n  var lowestBitrateCompatibleVariantSelector = function lowestBitrateCompatibleVariantSelector() {\n    // filter out any playlists that have been excluded due to\n    // incompatible configurations or playback errors\n    var playlists = this.playlists.master.playlists.filter(Playlist.isEnabled); // Sort ascending by bitrate\n\n    stableSort(playlists, function (a, b) {\n      return comparePlaylistBandwidth(a, b);\n    }); // Parse and assume that playlists with no video codec have no video\n    // (this is not necessarily true, although it is generally true).\n    //\n    // If an entire manifest has no valid videos everything will get filtered\n    // out.\n\n    var playlistsWithVideo = playlists.filter(function (playlist) {\n      return parseCodecs(playlist.attributes.CODECS).videoCodec;\n    });\n    return playlistsWithVideo[0] || null;\n  };\n  /**\n   * Create captions text tracks on video.js if they do not exist\n   *\n   * @param {Object} inbandTextTracks a reference to current inbandTextTracks\n   * @param {Object} tech the video.js tech\n   * @param {Object} captionStreams the caption streams to create\n   * @private\n   */\n\n\n  var createCaptionsTrackIfNotExists = function createCaptionsTrackIfNotExists(inbandTextTracks, tech, captionStreams) {\n    for (var trackId in captionStreams) {\n      if (!inbandTextTracks[trackId]) {\n        tech.trigger({\n          type: 'usage',\n          name: 'hls-608'\n        });\n        var track = tech.textTracks().getTrackById(trackId);\n\n        if (track) {\n          // Resuse an existing track with a CC# id because this was\n          // very likely created by videojs-contrib-hls from information\n          // in the m3u8 for us to use\n          inbandTextTracks[trackId] = track;\n        } else {\n          // Otherwise, create a track with the default `CC#` label and\n          // without a language\n          inbandTextTracks[trackId] = tech.addRemoteTextTrack({\n            kind: 'captions',\n            id: trackId,\n            label: trackId\n          }, false).track;\n        }\n      }\n    }\n  };\n\n  var addCaptionData = function addCaptionData(_ref) {\n    var inbandTextTracks = _ref.inbandTextTracks,\n        captionArray = _ref.captionArray,\n        timestampOffset = _ref.timestampOffset;\n\n    if (!captionArray) {\n      return;\n    }\n\n    var Cue = window.WebKitDataCue || window.VTTCue;\n    captionArray.forEach(function (caption) {\n      var track = caption.stream;\n      var startTime = caption.startTime;\n      var endTime = caption.endTime;\n\n      if (!inbandTextTracks[track]) {\n        return;\n      }\n\n      startTime += timestampOffset;\n      endTime += timestampOffset;\n      inbandTextTracks[track].addCue(new Cue(startTime, endTime, caption.text));\n    });\n  };\n  /**\n   * @file segment-loader.js\n   */\n  // in ms\n\n\n  var CHECK_BUFFER_DELAY = 500;\n  /**\n   * Determines if we should call endOfStream on the media source based\n   * on the state of the buffer or if appened segment was the final\n   * segment in the playlist.\n   *\n   * @param {Object} playlist a media playlist object\n   * @param {Object} mediaSource the MediaSource object\n   * @param {Number} segmentIndex the index of segment we last appended\n   * @returns {Boolean} do we need to call endOfStream on the MediaSource\n   */\n\n  var detectEndOfStream = function detectEndOfStream(playlist, mediaSource, segmentIndex) {\n    if (!playlist || !mediaSource) {\n      return false;\n    }\n\n    var segments = playlist.segments; // determine a few boolean values to help make the branch below easier\n    // to read\n\n    var appendedLastSegment = segmentIndex === segments.length; // if we've buffered to the end of the video, we need to call endOfStream\n    // so that MediaSources can trigger the `ended` event when it runs out of\n    // buffered data instead of waiting for me\n\n    return playlist.endList && mediaSource.readyState === 'open' && appendedLastSegment;\n  };\n\n  var finite = function finite(num) {\n    return typeof num === 'number' && isFinite(num);\n  };\n\n  var illegalMediaSwitch = function illegalMediaSwitch(loaderType, startingMedia, newSegmentMedia) {\n    // Although these checks should most likely cover non 'main' types, for now it narrows\n    // the scope of our checks.\n    if (loaderType !== 'main' || !startingMedia || !newSegmentMedia) {\n      return null;\n    }\n\n    if (!newSegmentMedia.containsAudio && !newSegmentMedia.containsVideo) {\n      return 'Neither audio nor video found in segment.';\n    }\n\n    if (startingMedia.containsVideo && !newSegmentMedia.containsVideo) {\n      return 'Only audio found in segment when we expected video.' + ' We can\\'t switch to audio only from a stream that had video.' + ' To get rid of this message, please add codec information to the manifest.';\n    }\n\n    if (!startingMedia.containsVideo && newSegmentMedia.containsVideo) {\n      return 'Video found in segment when we expected only audio.' + ' We can\\'t switch to a stream with video from an audio only stream.' + ' To get rid of this message, please add codec information to the manifest.';\n    }\n\n    return null;\n  };\n  /**\n   * Calculates a time value that is safe to remove from the back buffer without interupting\n   * playback.\n   *\n   * @param {TimeRange} seekable\n   *        The current seekable range\n   * @param {Number} currentTime\n   *        The current time of the player\n   * @param {Number} targetDuration\n   *        The target duration of the current playlist\n   * @return {Number}\n   *         Time that is safe to remove from the back buffer without interupting playback\n   */\n\n\n  var safeBackBufferTrimTime = function safeBackBufferTrimTime(seekable$$1, currentTime, targetDuration) {\n    // 30 seconds before the playhead provides a safe default for trimming.\n    //\n    // Choosing a reasonable default is particularly important for high bitrate content and\n    // VOD videos/live streams with large windows, as the buffer may end up overfilled and\n    // throw an APPEND_BUFFER_ERR.\n    var trimTime = currentTime - 30;\n\n    if (seekable$$1.length) {\n      // Some live playlists may have a shorter window of content than the full allowed back\n      // buffer. For these playlists, don't save content that's no longer within the window.\n      trimTime = Math.max(trimTime, seekable$$1.start(0));\n    } // Don't remove within target duration of the current time to avoid the possibility of\n    // removing the GOP currently being played, as removing it can cause playback stalls.\n\n\n    var maxTrimTime = currentTime - targetDuration;\n    return Math.min(maxTrimTime, trimTime);\n  };\n\n  var segmentInfoString = function segmentInfoString(segmentInfo) {\n    var _segmentInfo$segment = segmentInfo.segment,\n        start = _segmentInfo$segment.start,\n        end = _segmentInfo$segment.end,\n        _segmentInfo$playlist = segmentInfo.playlist,\n        seq = _segmentInfo$playlist.mediaSequence,\n        id = _segmentInfo$playlist.id,\n        _segmentInfo$playlist2 = _segmentInfo$playlist.segments,\n        segments = _segmentInfo$playlist2 === undefined ? [] : _segmentInfo$playlist2,\n        index = segmentInfo.mediaIndex,\n        timeline = segmentInfo.timeline;\n    return ['appending [' + index + '] of [' + seq + ', ' + (seq + segments.length) + '] from playlist [' + id + ']', '[' + start + ' => ' + end + '] in timeline [' + timeline + ']'].join(' ');\n  };\n  /**\n   * An object that manages segment loading and appending.\n   *\n   * @class SegmentLoader\n   * @param {Object} options required and optional options\n   * @extends videojs.EventTarget\n   */\n\n\n  var SegmentLoader = function (_videojs$EventTarget) {\n    inherits$2(SegmentLoader, _videojs$EventTarget);\n\n    function SegmentLoader(settings) {\n      classCallCheck$1(this, SegmentLoader); // check pre-conditions\n\n      var _this = possibleConstructorReturn$1(this, (SegmentLoader.__proto__ || Object.getPrototypeOf(SegmentLoader)).call(this));\n\n      if (!settings) {\n        throw new TypeError('Initialization settings are required');\n      }\n\n      if (typeof settings.currentTime !== 'function') {\n        throw new TypeError('No currentTime getter specified');\n      }\n\n      if (!settings.mediaSource) {\n        throw new TypeError('No MediaSource specified');\n      } // public properties\n\n\n      _this.bandwidth = settings.bandwidth;\n      _this.throughput = {\n        rate: 0,\n        count: 0\n      };\n      _this.roundTrip = NaN;\n\n      _this.resetStats_();\n\n      _this.mediaIndex = null; // private settings\n\n      _this.hasPlayed_ = settings.hasPlayed;\n      _this.currentTime_ = settings.currentTime;\n      _this.seekable_ = settings.seekable;\n      _this.seeking_ = settings.seeking;\n      _this.duration_ = settings.duration;\n      _this.mediaSource_ = settings.mediaSource;\n      _this.hls_ = settings.hls;\n      _this.loaderType_ = settings.loaderType;\n      _this.startingMedia_ = void 0;\n      _this.segmentMetadataTrack_ = settings.segmentMetadataTrack;\n      _this.goalBufferLength_ = settings.goalBufferLength;\n      _this.sourceType_ = settings.sourceType;\n      _this.inbandTextTracks_ = settings.inbandTextTracks;\n      _this.state_ = 'INIT'; // private instance variables\n\n      _this.checkBufferTimeout_ = null;\n      _this.error_ = void 0;\n      _this.currentTimeline_ = -1;\n      _this.pendingSegment_ = null;\n      _this.mimeType_ = null;\n      _this.sourceUpdater_ = null;\n      _this.xhrOptions_ = null; // Fragmented mp4 playback\n\n      _this.activeInitSegmentId_ = null;\n      _this.initSegments_ = {}; // HLSe playback\n\n      _this.cacheEncryptionKeys_ = settings.cacheEncryptionKeys;\n      _this.keyCache_ = {}; // Fmp4 CaptionParser\n\n      if (_this.loaderType_ === 'main') {\n        _this.captionParser_ = new captionParser();\n      } else {\n        _this.captionParser_ = null;\n      }\n\n      _this.decrypter_ = settings.decrypter; // Manages the tracking and generation of sync-points, mappings\n      // between a time in the display time and a segment index within\n      // a playlist\n\n      _this.syncController_ = settings.syncController;\n      _this.syncPoint_ = {\n        segmentIndex: 0,\n        time: 0\n      };\n\n      _this.triggerSyncInfoUpdate_ = function () {\n        return _this.trigger('syncinfoupdate');\n      };\n\n      _this.syncController_.on('syncinfoupdate', _this.triggerSyncInfoUpdate_);\n\n      _this.mediaSource_.addEventListener('sourceopen', function () {\n        return _this.ended_ = false;\n      }); // ...for determining the fetch location\n\n\n      _this.fetchAtBuffer_ = false;\n      _this.logger_ = logger('SegmentLoader[' + _this.loaderType_ + ']');\n      Object.defineProperty(_this, 'state', {\n        get: function get$$1() {\n          return this.state_;\n        },\n        set: function set$$1(newState) {\n          if (newState !== this.state_) {\n            this.logger_(this.state_ + ' -> ' + newState);\n            this.state_ = newState;\n          }\n        }\n      });\n      return _this;\n    }\n    /**\n     * reset all of our media stats\n     *\n     * @private\n     */\n\n\n    createClass$1(SegmentLoader, [{\n      key: 'resetStats_',\n      value: function resetStats_() {\n        this.mediaBytesTransferred = 0;\n        this.mediaRequests = 0;\n        this.mediaRequestsAborted = 0;\n        this.mediaRequestsTimedout = 0;\n        this.mediaRequestsErrored = 0;\n        this.mediaTransferDuration = 0;\n        this.mediaSecondsLoaded = 0;\n      }\n      /**\n       * dispose of the SegmentLoader and reset to the default state\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.state = 'DISPOSED';\n        this.pause();\n        this.abort_();\n\n        if (this.sourceUpdater_) {\n          this.sourceUpdater_.dispose();\n        }\n\n        this.resetStats_();\n\n        if (this.captionParser_) {\n          this.captionParser_.reset();\n        }\n\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        if (this.syncController_ && this.triggerSyncInfoUpdate_) {\n          this.syncController_.off('syncinfoupdate', this.triggerSyncInfoUpdate_);\n        }\n\n        this.off();\n      }\n      /**\n       * abort anything that is currently doing on with the SegmentLoader\n       * and reset to a default state\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort() {\n        if (this.state !== 'WAITING') {\n          if (this.pendingSegment_) {\n            this.pendingSegment_ = null;\n          }\n\n          return;\n        }\n\n        this.abort_(); // We aborted the requests we were waiting on, so reset the loader's state to READY\n        // since we are no longer \"waiting\" on any requests. XHR callback is not always run\n        // when the request is aborted. This will prevent the loader from being stuck in the\n        // WAITING state indefinitely.\n\n        this.state = 'READY'; // don't wait for buffer check timeouts to begin fetching the\n        // next segment\n\n        if (!this.paused()) {\n          this.monitorBuffer_();\n        }\n      }\n      /**\n       * abort all pending xhr requests and null any pending segements\n       *\n       * @private\n       */\n\n    }, {\n      key: 'abort_',\n      value: function abort_() {\n        if (this.pendingSegment_) {\n          this.pendingSegment_.abortRequests();\n        } // clear out the segment being processed\n\n\n        this.pendingSegment_ = null;\n      }\n      /**\n       * set an error on the segment loader and null out any pending segements\n       *\n       * @param {Error} error the error to set on the SegmentLoader\n       * @return {Error} the error that was set or that is currently set\n       */\n\n    }, {\n      key: 'error',\n      value: function error(_error) {\n        if (typeof _error !== 'undefined') {\n          this.error_ = _error;\n        }\n\n        this.pendingSegment_ = null;\n        return this.error_;\n      }\n    }, {\n      key: 'endOfStream',\n      value: function endOfStream() {\n        this.ended_ = true;\n        this.pause();\n        this.trigger('ended');\n      }\n      /**\n       * Indicates which time ranges are buffered\n       *\n       * @return {TimeRange}\n       *         TimeRange object representing the current buffered ranges\n       */\n\n    }, {\n      key: 'buffered_',\n      value: function buffered_() {\n        if (!this.sourceUpdater_) {\n          return videojs$1.createTimeRanges();\n        }\n\n        return this.sourceUpdater_.buffered();\n      }\n      /**\n       * Gets and sets init segment for the provided map\n       *\n       * @param {Object} map\n       *        The map object representing the init segment to get or set\n       * @param {Boolean=} set\n       *        If true, the init segment for the provided map should be saved\n       * @return {Object}\n       *         map object for desired init segment\n       */\n\n    }, {\n      key: 'initSegment',\n      value: function initSegment(map) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!map) {\n          return null;\n        }\n\n        var id = initSegmentId(map);\n        var storedMap = this.initSegments_[id];\n\n        if (set$$1 && !storedMap && map.bytes) {\n          this.initSegments_[id] = storedMap = {\n            resolvedUri: map.resolvedUri,\n            byterange: map.byterange,\n            bytes: map.bytes,\n            timescales: map.timescales,\n            videoTrackIds: map.videoTrackIds\n          };\n        }\n\n        return storedMap || map;\n      }\n      /**\n       * Gets and sets key for the provided key\n       *\n       * @param {Object} key\n       *        The key object representing the key to get or set\n       * @param {Boolean=} set\n       *        If true, the key for the provided key should be saved\n       * @return {Object}\n       *         Key object for desired key\n       */\n\n    }, {\n      key: 'segmentKey',\n      value: function segmentKey(key) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!key) {\n          return null;\n        }\n\n        var id = segmentKeyId(key);\n        var storedKey = this.keyCache_[id]; // TODO: We should use the HTTP Expires header to invalidate our cache per\n        // https://tools.ietf.org/html/draft-pantos-http-live-streaming-23#section-6.2.3\n\n        if (this.cacheEncryptionKeys_ && set$$1 && !storedKey && key.bytes) {\n          this.keyCache_[id] = storedKey = {\n            resolvedUri: key.resolvedUri,\n            bytes: key.bytes\n          };\n        }\n\n        var result = {\n          resolvedUri: (storedKey || key).resolvedUri\n        };\n\n        if (storedKey) {\n          result.bytes = storedKey.bytes;\n        }\n\n        return result;\n      }\n      /**\n       * Returns true if all configuration required for loading is present, otherwise false.\n       *\n       * @return {Boolean} True if the all configuration is ready for loading\n       * @private\n       */\n\n    }, {\n      key: 'couldBeginLoading_',\n      value: function couldBeginLoading_() {\n        return this.playlist_ && ( // the source updater is created when init_ is called, so either having a\n        // source updater or being in the INIT state with a mimeType is enough\n        // to say we have all the needed configuration to start loading.\n        this.sourceUpdater_ || this.mimeType_ && this.state === 'INIT') && !this.paused();\n      }\n      /**\n       * load a playlist and start to fill the buffer\n       */\n\n    }, {\n      key: 'load',\n      value: function load() {\n        // un-pause\n        this.monitorBuffer_(); // if we don't have a playlist yet, keep waiting for one to be\n        // specified\n\n        if (!this.playlist_) {\n          return;\n        } // not sure if this is the best place for this\n\n\n        this.syncController_.setDateTimeMapping(this.playlist_); // if all the configuration is ready, initialize and begin loading\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          return this.init_();\n        } // if we're in the middle of processing a segment already, don't\n        // kick off an additional segment request\n\n\n        if (!this.couldBeginLoading_() || this.state !== 'READY' && this.state !== 'INIT') {\n          return;\n        }\n\n        this.state = 'READY';\n      }\n      /**\n       * Once all the starting parameters have been specified, begin\n       * operation. This method should only be invoked from the INIT\n       * state.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'init_',\n      value: function init_() {\n        this.state = 'READY';\n        this.sourceUpdater_ = new SourceUpdater(this.mediaSource_, this.mimeType_, this.loaderType_, this.sourceBufferEmitter_);\n        this.resetEverything();\n        return this.monitorBuffer_();\n      }\n      /**\n       * set a playlist on the segment loader\n       *\n       * @param {PlaylistLoader} media the playlist to set on the segment loader\n       */\n\n    }, {\n      key: 'playlist',\n      value: function playlist(newPlaylist) {\n        var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n        if (!newPlaylist) {\n          return;\n        }\n\n        var oldPlaylist = this.playlist_;\n        var segmentInfo = this.pendingSegment_;\n        this.playlist_ = newPlaylist;\n        this.xhrOptions_ = options; // when we haven't started playing yet, the start of a live playlist\n        // is always our zero-time so force a sync update each time the playlist\n        // is refreshed from the server\n        //\n        // Use the INIT state to determine if playback has started, as the playlist sync info\n        // should be fixed once requests begin (as sync points are generated based on sync\n        // info), but not before then.\n\n        if (this.state === 'INIT') {\n          newPlaylist.syncInfo = {\n            mediaSequence: newPlaylist.mediaSequence,\n            time: 0\n          };\n        }\n\n        var oldId = null;\n\n        if (oldPlaylist) {\n          if (oldPlaylist.id) {\n            oldId = oldPlaylist.id;\n          } else if (oldPlaylist.uri) {\n            oldId = oldPlaylist.uri;\n          }\n        }\n\n        this.logger_('playlist update [' + oldId + ' => ' + (newPlaylist.id || newPlaylist.uri) + ']'); // in VOD, this is always a rendition switch (or we updated our syncInfo above)\n        // in LIVE, we always want to update with new playlists (including refreshes)\n\n        this.trigger('syncinfoupdate'); // if we were unpaused but waiting for a playlist, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          return this.init_();\n        }\n\n        if (!oldPlaylist || oldPlaylist.uri !== newPlaylist.uri) {\n          if (this.mediaIndex !== null) {\n            // we must \"resync\" the segment loader when we switch renditions and\n            // the segment loader is already synced to the previous rendition\n            this.resyncLoader();\n          } // the rest of this function depends on `oldPlaylist` being defined\n\n\n          return;\n        } // we reloaded the same playlist so we are in a live scenario\n        // and we will likely need to adjust the mediaIndex\n\n\n        var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence;\n        this.logger_('live window shift [' + mediaSequenceDiff + ']'); // update the mediaIndex on the SegmentLoader\n        // this is important because we can abort a request and this value must be\n        // equal to the last appended mediaIndex\n\n        if (this.mediaIndex !== null) {\n          this.mediaIndex -= mediaSequenceDiff;\n        } // update the mediaIndex on the SegmentInfo object\n        // this is important because we will update this.mediaIndex with this value\n        // in `handleUpdateEnd_` after the segment has been successfully appended\n\n\n        if (segmentInfo) {\n          segmentInfo.mediaIndex -= mediaSequenceDiff; // we need to update the referenced segment so that timing information is\n          // saved for the new playlist's segment, however, if the segment fell off the\n          // playlist, we can leave the old reference and just lose the timing info\n\n          if (segmentInfo.mediaIndex >= 0) {\n            segmentInfo.segment = newPlaylist.segments[segmentInfo.mediaIndex];\n          }\n        }\n\n        this.syncController_.saveExpiredSegmentInfo(oldPlaylist, newPlaylist);\n      }\n      /**\n       * Prevent the loader from fetching additional segments. If there\n       * is a segment request outstanding, it will finish processing\n       * before the loader halts. A segment loader can be unpaused by\n       * calling load().\n       */\n\n    }, {\n      key: 'pause',\n      value: function pause() {\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n          this.checkBufferTimeout_ = null;\n        }\n      }\n      /**\n       * Returns whether the segment loader is fetching additional\n       * segments when given the opportunity. This property can be\n       * modified through calls to pause() and load().\n       */\n\n    }, {\n      key: 'paused',\n      value: function paused() {\n        return this.checkBufferTimeout_ === null;\n      }\n      /**\n       * create/set the following mimetype on the SourceBuffer through a\n       * SourceUpdater\n       *\n       * @param {String} mimeType the mime type string to use\n       * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer\n       * is added to the media source\n       */\n\n    }, {\n      key: 'mimeType',\n      value: function mimeType(_mimeType, sourceBufferEmitter) {\n        if (this.mimeType_) {\n          return;\n        }\n\n        this.mimeType_ = _mimeType;\n        this.sourceBufferEmitter_ = sourceBufferEmitter; // if we were unpaused but waiting for a sourceUpdater, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          this.init_();\n        }\n      }\n      /**\n       * Delete all the buffered data and reset the SegmentLoader\n       * @param {Function} [done] an optional callback to be executed when the remove\n       * operation is complete\n       */\n\n    }, {\n      key: 'resetEverything',\n      value: function resetEverything(done) {\n        this.ended_ = false;\n        this.resetLoader(); // remove from 0, the earliest point, to Infinity, to signify removal of everything.\n        // VTT Segment Loader doesn't need to do anything but in the regular SegmentLoader,\n        // we then clamp the value to duration if necessary.\n\n        this.remove(0, Infinity, done); // clears fmp4 captions\n\n        if (this.captionParser_) {\n          this.captionParser_.clearAllCaptions();\n        }\n\n        this.trigger('reseteverything');\n      }\n      /**\n       * Force the SegmentLoader to resync and start loading around the currentTime instead\n       * of starting at the end of the buffer\n       *\n       * Useful for fast quality changes\n       */\n\n    }, {\n      key: 'resetLoader',\n      value: function resetLoader() {\n        this.fetchAtBuffer_ = false;\n        this.resyncLoader();\n      }\n      /**\n       * Force the SegmentLoader to restart synchronization and make a conservative guess\n       * before returning to the simple walk-forward method\n       */\n\n    }, {\n      key: 'resyncLoader',\n      value: function resyncLoader() {\n        this.mediaIndex = null;\n        this.syncPoint_ = null;\n        this.abort();\n      }\n      /**\n       * Remove any data in the source buffer between start and end times\n       * @param {Number} start - the start time of the region to remove from the buffer\n       * @param {Number} end - the end time of the region to remove from the buffer\n       * @param {Function} [done] - an optional callback to be executed when the remove\n       * operation is complete\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end, done) {\n        // clamp end to duration if we need to remove everything.\n        // This is due to a browser bug that causes issues if we remove to Infinity.\n        // videojs/videojs-contrib-hls#1225\n        if (end === Infinity) {\n          end = this.duration_();\n        }\n\n        if (this.sourceUpdater_) {\n          this.sourceUpdater_.remove(start, end, done);\n        }\n\n        removeCuesFromTrack(start, end, this.segmentMetadataTrack_);\n\n        if (this.inbandTextTracks_) {\n          for (var id in this.inbandTextTracks_) {\n            removeCuesFromTrack(start, end, this.inbandTextTracks_[id]);\n          }\n        }\n      }\n      /**\n       * (re-)schedule monitorBufferTick_ to run as soon as possible\n       *\n       * @private\n       */\n\n    }, {\n      key: 'monitorBuffer_',\n      value: function monitorBuffer_() {\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), 1);\n      }\n      /**\n       * As long as the SegmentLoader is in the READY state, periodically\n       * invoke fillBuffer_().\n       *\n       * @private\n       */\n\n    }, {\n      key: 'monitorBufferTick_',\n      value: function monitorBufferTick_() {\n        if (this.state === 'READY') {\n          this.fillBuffer_();\n        }\n\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), CHECK_BUFFER_DELAY);\n      }\n      /**\n       * fill the buffer with segements unless the sourceBuffers are\n       * currently updating\n       *\n       * Note: this function should only ever be called by monitorBuffer_\n       * and never directly\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fillBuffer_',\n      value: function fillBuffer_() {\n        if (this.sourceUpdater_.updating()) {\n          return;\n        }\n\n        if (!this.syncPoint_) {\n          this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());\n        } // see if we need to begin loading immediately\n\n\n        var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);\n\n        if (!segmentInfo) {\n          return;\n        }\n\n        if (this.isEndOfStream_(segmentInfo.mediaIndex)) {\n          this.endOfStream();\n          return;\n        }\n\n        if (segmentInfo.mediaIndex === this.playlist_.segments.length - 1 && this.mediaSource_.readyState === 'ended' && !this.seeking_()) {\n          return;\n        } // We will need to change timestampOffset of the sourceBuffer if:\n        // - The segment.timeline !== this.currentTimeline\n        //   (we are crossing a discontinuity somehow)\n        // - The \"timestampOffset\" for the start of this segment is less than\n        //   the currently set timestampOffset\n        // Also, clear captions if we are crossing a discontinuity boundary\n        // Previously, we changed the timestampOffset if the start of this segment\n        // is less than the currently set timestampOffset but this isn't wanted\n        // as it can produce bad behavior, especially around long running\n        // live streams\n\n\n        if (segmentInfo.timeline !== this.currentTimeline_) {\n          this.syncController_.reset();\n          segmentInfo.timestampOffset = segmentInfo.startOfSegment;\n\n          if (this.captionParser_) {\n            this.captionParser_.clearAllCaptions();\n          }\n        }\n\n        this.loadSegment_(segmentInfo);\n      }\n      /**\n       * Determines if this segment loader is at the end of it's stream.\n       *\n       * @param {Number} mediaIndex the index of segment we last appended\n       * @param {Object} [playlist=this.playlist_] a media playlist object\n       * @returns {Boolean} true if at end of stream, false otherwise.\n       */\n\n    }, {\n      key: 'isEndOfStream_',\n      value: function isEndOfStream_(mediaIndex) {\n        var playlist = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.playlist_;\n        return detectEndOfStream(playlist, this.mediaSource_, mediaIndex) && !this.sourceUpdater_.updating();\n      }\n      /**\n       * Determines what segment request should be made, given current playback\n       * state.\n       *\n       * @param {TimeRanges} buffered - the state of the buffer\n       * @param {Object} playlist - the playlist object to fetch segments from\n       * @param {Number} mediaIndex - the previous mediaIndex fetched or null\n       * @param {Boolean} hasPlayed - a flag indicating whether we have played or not\n       * @param {Number} currentTime - the playback position in seconds\n       * @param {Object} syncPoint - a segment info object that describes the\n       * @returns {Object} a segment request object that describes the segment to load\n       */\n\n    }, {\n      key: 'checkBuffer_',\n      value: function checkBuffer_(buffered, playlist, mediaIndex, hasPlayed, currentTime, syncPoint) {\n        var lastBufferedEnd = 0;\n        var startOfSegment = void 0;\n\n        if (buffered.length) {\n          lastBufferedEnd = buffered.end(buffered.length - 1);\n        }\n\n        var bufferedTime = Math.max(0, lastBufferedEnd - currentTime);\n\n        if (!playlist.segments.length) {\n          return null;\n        } // if there is plenty of content buffered, and the video has\n        // been played before relax for awhile\n\n\n        if (bufferedTime >= this.goalBufferLength_()) {\n          return null;\n        } // if the video has not yet played once, and we already have\n        // one segment downloaded do nothing\n\n\n        if (!hasPlayed && bufferedTime >= 1) {\n          return null;\n        } // When the syncPoint is null, there is no way of determining a good\n        // conservative segment index to fetch from\n        // The best thing to do here is to get the kind of sync-point data by\n        // making a request\n\n\n        if (syncPoint === null) {\n          mediaIndex = this.getSyncSegmentCandidate_(playlist);\n          return this.generateSegmentInfo_(playlist, mediaIndex, null, true);\n        } // Under normal playback conditions fetching is a simple walk forward\n\n\n        if (mediaIndex !== null) {\n          var segment = playlist.segments[mediaIndex];\n          startOfSegment = lastBufferedEnd;\n          return this.generateSegmentInfo_(playlist, mediaIndex + 1, startOfSegment, false);\n        } // There is a sync-point but the lack of a mediaIndex indicates that\n        // we need to make a good conservative guess about which segment to\n        // fetch\n\n\n        if (this.fetchAtBuffer_) {\n          // Find the segment containing the end of the buffer\n          var mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, lastBufferedEnd, syncPoint.segmentIndex, syncPoint.time);\n          mediaIndex = mediaSourceInfo.mediaIndex;\n          startOfSegment = mediaSourceInfo.startTime;\n        } else {\n          // Find the segment containing currentTime\n          var _mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, currentTime, syncPoint.segmentIndex, syncPoint.time);\n\n          mediaIndex = _mediaSourceInfo.mediaIndex;\n          startOfSegment = _mediaSourceInfo.startTime;\n        }\n\n        return this.generateSegmentInfo_(playlist, mediaIndex, startOfSegment, false);\n      }\n      /**\n       * The segment loader has no recourse except to fetch a segment in the\n       * current playlist and use the internal timestamps in that segment to\n       * generate a syncPoint. This function returns a good candidate index\n       * for that process.\n       *\n       * @param {Object} playlist - the playlist object to look for a\n       * @returns {Number} An index of a segment from the playlist to load\n       */\n\n    }, {\n      key: 'getSyncSegmentCandidate_',\n      value: function getSyncSegmentCandidate_(playlist) {\n        var _this2 = this;\n\n        if (this.currentTimeline_ === -1) {\n          return 0;\n        }\n\n        var segmentIndexArray = playlist.segments.map(function (s, i) {\n          return {\n            timeline: s.timeline,\n            segmentIndex: i\n          };\n        }).filter(function (s) {\n          return s.timeline === _this2.currentTimeline_;\n        });\n\n        if (segmentIndexArray.length) {\n          return segmentIndexArray[Math.min(segmentIndexArray.length - 1, 1)].segmentIndex;\n        }\n\n        return Math.max(playlist.segments.length - 1, 0);\n      }\n    }, {\n      key: 'generateSegmentInfo_',\n      value: function generateSegmentInfo_(playlist, mediaIndex, startOfSegment, isSyncRequest) {\n        if (mediaIndex < 0 || mediaIndex >= playlist.segments.length) {\n          return null;\n        }\n\n        var segment = playlist.segments[mediaIndex];\n        return {\n          requestId: 'segment-loader-' + Math.random(),\n          // resolve the segment URL relative to the playlist\n          uri: segment.resolvedUri,\n          // the segment's mediaIndex at the time it was requested\n          mediaIndex: mediaIndex,\n          // whether or not to update the SegmentLoader's state with this\n          // segment's mediaIndex\n          isSyncRequest: isSyncRequest,\n          startOfSegment: startOfSegment,\n          // the segment's playlist\n          playlist: playlist,\n          // unencrypted bytes of the segment\n          bytes: null,\n          // when a key is defined for this segment, the encrypted bytes\n          encryptedBytes: null,\n          // The target timestampOffset for this segment when we append it\n          // to the source buffer\n          timestampOffset: null,\n          // The timeline that the segment is in\n          timeline: segment.timeline,\n          // The expected duration of the segment in seconds\n          duration: segment.duration,\n          // retain the segment in case the playlist updates while doing an async process\n          segment: segment\n        };\n      }\n      /**\n       * Determines if the network has enough bandwidth to complete the current segment\n       * request in a timely manner. If not, the request will be aborted early and bandwidth\n       * updated to trigger a playlist switch.\n       *\n       * @param {Object} stats\n       *        Object containing stats about the request timing and size\n       * @return {Boolean} True if the request was aborted, false otherwise\n       * @private\n       */\n\n    }, {\n      key: 'abortRequestEarly_',\n      value: function abortRequestEarly_(stats) {\n        if (this.hls_.tech_.paused() || // Don't abort if the current playlist is on the lowestEnabledRendition\n        // TODO: Replace using timeout with a boolean indicating whether this playlist is\n        //       the lowestEnabledRendition.\n        !this.xhrOptions_.timeout || // Don't abort if we have no bandwidth information to estimate segment sizes\n        !this.playlist_.attributes.BANDWIDTH) {\n          return false;\n        } // Wait at least 1 second since the first byte of data has been received before\n        // using the calculated bandwidth from the progress event to allow the bitrate\n        // to stabilize\n\n\n        if (Date.now() - (stats.firstBytesReceivedAt || Date.now()) < 1000) {\n          return false;\n        }\n\n        var currentTime = this.currentTime_();\n        var measuredBandwidth = stats.bandwidth;\n        var segmentDuration = this.pendingSegment_.duration;\n        var requestTimeRemaining = Playlist.estimateSegmentRequestTime(segmentDuration, measuredBandwidth, this.playlist_, stats.bytesReceived); // Subtract 1 from the timeUntilRebuffer so we still consider an early abort\n        // if we are only left with less than 1 second when the request completes.\n        // A negative timeUntilRebuffering indicates we are already rebuffering\n\n        var timeUntilRebuffer$$1 = timeUntilRebuffer(this.buffered_(), currentTime, this.hls_.tech_.playbackRate()) - 1; // Only consider aborting early if the estimated time to finish the download\n        // is larger than the estimated time until the player runs out of forward buffer\n\n        if (requestTimeRemaining <= timeUntilRebuffer$$1) {\n          return false;\n        }\n\n        var switchCandidate = minRebufferMaxBandwidthSelector({\n          master: this.hls_.playlists.master,\n          currentTime: currentTime,\n          bandwidth: measuredBandwidth,\n          duration: this.duration_(),\n          segmentDuration: segmentDuration,\n          timeUntilRebuffer: timeUntilRebuffer$$1,\n          currentTimeline: this.currentTimeline_,\n          syncController: this.syncController_\n        });\n\n        if (!switchCandidate) {\n          return;\n        }\n\n        var rebufferingImpact = requestTimeRemaining - timeUntilRebuffer$$1;\n        var timeSavedBySwitching = rebufferingImpact - switchCandidate.rebufferingImpact;\n        var minimumTimeSaving = 0.5; // If we are already rebuffering, increase the amount of variance we add to the\n        // potential round trip time of the new request so that we are not too aggressive\n        // with switching to a playlist that might save us a fraction of a second.\n\n        if (timeUntilRebuffer$$1 <= TIME_FUDGE_FACTOR) {\n          minimumTimeSaving = 1;\n        }\n\n        if (!switchCandidate.playlist || switchCandidate.playlist.uri === this.playlist_.uri || timeSavedBySwitching < minimumTimeSaving) {\n          return false;\n        } // set the bandwidth to that of the desired playlist being sure to scale by\n        // BANDWIDTH_VARIANCE and add one so the playlist selector does not exclude it\n        // don't trigger a bandwidthupdate as the bandwidth is artifial\n\n\n        this.bandwidth = switchCandidate.playlist.attributes.BANDWIDTH * Config.BANDWIDTH_VARIANCE + 1;\n        this.abort();\n        this.trigger('earlyabort');\n        return true;\n      }\n      /**\n       * XHR `progress` event handler\n       *\n       * @param {Event}\n       *        The XHR `progress` event\n       * @param {Object} simpleSegment\n       *        A simplified segment object copy\n       * @private\n       */\n\n    }, {\n      key: 'handleProgress_',\n      value: function handleProgress_(event, simpleSegment) {\n        if (!this.pendingSegment_ || simpleSegment.requestId !== this.pendingSegment_.requestId || this.abortRequestEarly_(simpleSegment.stats)) {\n          return;\n        }\n\n        this.trigger('progress');\n      }\n      /**\n       * load a specific segment from a request into the buffer\n       *\n       * @private\n       */\n\n    }, {\n      key: 'loadSegment_',\n      value: function loadSegment_(segmentInfo) {\n        this.state = 'WAITING';\n        this.pendingSegment_ = segmentInfo;\n        this.trimBackBuffer_(segmentInfo);\n        segmentInfo.abortRequests = mediaSegmentRequest(this.hls_.xhr, this.xhrOptions_, this.decrypter_, this.captionParser_, this.createSimplifiedSegmentObj_(segmentInfo), // progress callback\n        this.handleProgress_.bind(this), this.segmentRequestFinished_.bind(this));\n      }\n      /**\n       * trim the back buffer so that we don't have too much data\n       * in the source buffer\n       *\n       * @private\n       *\n       * @param {Object} segmentInfo - the current segment\n       */\n\n    }, {\n      key: 'trimBackBuffer_',\n      value: function trimBackBuffer_(segmentInfo) {\n        var removeToTime = safeBackBufferTrimTime(this.seekable_(), this.currentTime_(), this.playlist_.targetDuration || 10); // Chrome has a hard limit of 150MB of\n        // buffer and a very conservative \"garbage collector\"\n        // We manually clear out the old buffer to ensure\n        // we don't trigger the QuotaExceeded error\n        // on the source buffer during subsequent appends\n\n        if (removeToTime > 0) {\n          this.remove(0, removeToTime);\n        }\n      }\n      /**\n       * created a simplified copy of the segment object with just the\n       * information necessary to perform the XHR and decryption\n       *\n       * @private\n       *\n       * @param {Object} segmentInfo - the current segment\n       * @returns {Object} a simplified segment object copy\n       */\n\n    }, {\n      key: 'createSimplifiedSegmentObj_',\n      value: function createSimplifiedSegmentObj_(segmentInfo) {\n        var segment = segmentInfo.segment;\n        var simpleSegment = {\n          resolvedUri: segment.resolvedUri,\n          byterange: segment.byterange,\n          requestId: segmentInfo.requestId\n        };\n\n        if (segment.key) {\n          // if the media sequence is greater than 2^32, the IV will be incorrect\n          // assuming 10s segments, that would be about 1300 years\n          var iv = segment.key.iv || new Uint32Array([0, 0, 0, segmentInfo.mediaIndex + segmentInfo.playlist.mediaSequence]);\n          simpleSegment.key = this.segmentKey(segment.key);\n          simpleSegment.key.iv = iv;\n        }\n\n        if (segment.map) {\n          simpleSegment.map = this.initSegment(segment.map);\n        }\n\n        return simpleSegment;\n      }\n      /**\n       * Handle the callback from the segmentRequest function and set the\n       * associated SegmentLoader state and errors if necessary\n       *\n       * @private\n       */\n\n    }, {\n      key: 'segmentRequestFinished_',\n      value: function segmentRequestFinished_(error, simpleSegment) {\n        // every request counts as a media request even if it has been aborted\n        // or canceled due to a timeout\n        this.mediaRequests += 1;\n\n        if (simpleSegment.stats) {\n          this.mediaBytesTransferred += simpleSegment.stats.bytesReceived;\n          this.mediaTransferDuration += simpleSegment.stats.roundTripTime;\n        } // The request was aborted and the SegmentLoader has already been reset\n\n\n        if (!this.pendingSegment_) {\n          this.mediaRequestsAborted += 1;\n          return;\n        } // the request was aborted and the SegmentLoader has already started\n        // another request. this can happen when the timeout for an aborted\n        // request triggers due to a limitation in the XHR library\n        // do not count this as any sort of request or we risk double-counting\n\n\n        if (simpleSegment.requestId !== this.pendingSegment_.requestId) {\n          return;\n        } // an error occurred from the active pendingSegment_ so reset everything\n\n\n        if (error) {\n          this.pendingSegment_ = null;\n          this.state = 'READY'; // the requests were aborted just record the aborted stat and exit\n          // this is not a true error condition and nothing corrective needs\n          // to be done\n\n          if (error.code === REQUEST_ERRORS.ABORTED) {\n            this.mediaRequestsAborted += 1;\n            return;\n          }\n\n          this.pause(); // the error is really just that at least one of the requests timed-out\n          // set the bandwidth to a very low value and trigger an ABR switch to\n          // take emergency action\n\n          if (error.code === REQUEST_ERRORS.TIMEOUT) {\n            this.mediaRequestsTimedout += 1;\n            this.bandwidth = 1;\n            this.roundTrip = NaN;\n            this.trigger('bandwidthupdate');\n            return;\n          } // if control-flow has arrived here, then the error is real\n          // emit an error event to blacklist the current playlist\n\n\n          this.mediaRequestsErrored += 1;\n          this.error(error);\n          this.trigger('error');\n          return;\n        } // the response was a success so set any bandwidth stats the request\n        // generated for ABR purposes\n\n\n        this.bandwidth = simpleSegment.stats.bandwidth;\n        this.roundTrip = simpleSegment.stats.roundTripTime; // if this request included an initialization segment, save that data\n        // to the initSegment cache\n\n        if (simpleSegment.map) {\n          simpleSegment.map = this.initSegment(simpleSegment.map, true);\n        } // if this request included a segment key, save that data in the cache\n\n\n        if (simpleSegment.key) {\n          this.segmentKey(simpleSegment.key, true);\n        }\n\n        this.processSegmentResponse_(simpleSegment);\n      }\n      /**\n       * Move any important data from the simplified segment object\n       * back to the real segment object for future phases\n       *\n       * @private\n       */\n\n    }, {\n      key: 'processSegmentResponse_',\n      value: function processSegmentResponse_(simpleSegment) {\n        var segmentInfo = this.pendingSegment_;\n        segmentInfo.bytes = simpleSegment.bytes;\n\n        if (simpleSegment.map) {\n          segmentInfo.segment.map.bytes = simpleSegment.map.bytes;\n        }\n\n        segmentInfo.endOfAllRequests = simpleSegment.endOfAllRequests; // This has fmp4 captions, add them to text tracks\n\n        if (simpleSegment.fmp4Captions) {\n          createCaptionsTrackIfNotExists(this.inbandTextTracks_, this.hls_.tech_, simpleSegment.captionStreams);\n          addCaptionData({\n            inbandTextTracks: this.inbandTextTracks_,\n            captionArray: simpleSegment.fmp4Captions,\n            // fmp4s will not have a timestamp offset\n            timestampOffset: 0\n          }); // Reset stored captions since we added parsed\n          // captions to a text track at this point\n\n          if (this.captionParser_) {\n            this.captionParser_.clearParsedCaptions();\n          }\n        }\n\n        this.handleSegment_();\n      }\n      /**\n       * append a decrypted segement to the SourceBuffer through a SourceUpdater\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSegment_',\n      value: function handleSegment_() {\n        var _this3 = this;\n\n        if (!this.pendingSegment_) {\n          this.state = 'READY';\n          return;\n        }\n\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment;\n        var timingInfo = this.syncController_.probeSegmentInfo(segmentInfo); // When we have our first timing info, determine what media types this loader is\n        // dealing with. Although we're maintaining extra state, it helps to preserve the\n        // separation of segment loader from the actual source buffers.\n\n        if (typeof this.startingMedia_ === 'undefined' && timingInfo && ( // Guard against cases where we're not getting timing info at all until we are\n        // certain that all streams will provide it.\n        timingInfo.containsAudio || timingInfo.containsVideo)) {\n          this.startingMedia_ = {\n            containsAudio: timingInfo.containsAudio,\n            containsVideo: timingInfo.containsVideo\n          };\n        }\n\n        var illegalMediaSwitchError = illegalMediaSwitch(this.loaderType_, this.startingMedia_, timingInfo);\n\n        if (illegalMediaSwitchError) {\n          this.error({\n            message: illegalMediaSwitchError,\n            blacklistDuration: Infinity\n          });\n          this.trigger('error');\n          return;\n        }\n\n        if (segmentInfo.isSyncRequest) {\n          this.trigger('syncinfoupdate');\n          this.pendingSegment_ = null;\n          this.state = 'READY';\n          return;\n        }\n\n        if (segmentInfo.timestampOffset !== null && segmentInfo.timestampOffset !== this.sourceUpdater_.timestampOffset()) {\n          // Subtract any difference between the PTS and DTS times of the first frame\n          // from the timeStampOffset (which currently equals the buffered.end) to prevent\n          // creating any gaps in the buffer\n          if (timingInfo && timingInfo.segmentTimestampInfo) {\n            var ptsStartTime = timingInfo.segmentTimestampInfo[0].ptsTime;\n            var dtsStartTime = timingInfo.segmentTimestampInfo[0].dtsTime;\n            segmentInfo.timestampOffset -= ptsStartTime - dtsStartTime;\n          }\n\n          this.sourceUpdater_.timestampOffset(segmentInfo.timestampOffset); // fired when a timestamp offset is set in HLS (can also identify discontinuities)\n\n          this.trigger('timestampoffset');\n        }\n\n        var timelineMapping = this.syncController_.mappingForTimeline(segmentInfo.timeline);\n\n        if (timelineMapping !== null) {\n          this.trigger({\n            type: 'segmenttimemapping',\n            mapping: timelineMapping\n          });\n        }\n\n        this.state = 'APPENDING'; // if the media initialization segment is changing, append it\n        // before the content segment\n\n        if (segment.map) {\n          var initId = initSegmentId(segment.map);\n\n          if (!this.activeInitSegmentId_ || this.activeInitSegmentId_ !== initId) {\n            var initSegment = this.initSegment(segment.map);\n            this.sourceUpdater_.appendBuffer({\n              bytes: initSegment.bytes\n            }, function () {\n              _this3.activeInitSegmentId_ = initId;\n            });\n          }\n        }\n\n        segmentInfo.byteLength = segmentInfo.bytes.byteLength;\n\n        if (typeof segment.start === 'number' && typeof segment.end === 'number') {\n          this.mediaSecondsLoaded += segment.end - segment.start;\n        } else {\n          this.mediaSecondsLoaded += segment.duration;\n        }\n\n        this.logger_(segmentInfoString(segmentInfo));\n        this.sourceUpdater_.appendBuffer({\n          bytes: segmentInfo.bytes,\n          videoSegmentTimingInfoCallback: this.handleVideoSegmentTimingInfo_.bind(this, segmentInfo.requestId)\n        }, this.handleUpdateEnd_.bind(this));\n      }\n    }, {\n      key: 'handleVideoSegmentTimingInfo_',\n      value: function handleVideoSegmentTimingInfo_(requestId, event) {\n        if (!this.pendingSegment_ || requestId !== this.pendingSegment_.requestId) {\n          return;\n        }\n\n        var segment = this.pendingSegment_.segment;\n\n        if (!segment.videoTimingInfo) {\n          segment.videoTimingInfo = {};\n        }\n\n        segment.videoTimingInfo.transmuxerPrependedSeconds = event.videoSegmentTimingInfo.prependedContentDuration || 0;\n        segment.videoTimingInfo.transmuxedPresentationStart = event.videoSegmentTimingInfo.start.presentation;\n        segment.videoTimingInfo.transmuxedPresentationEnd = event.videoSegmentTimingInfo.end.presentation; // mainly used as a reference for debugging\n\n        segment.videoTimingInfo.baseMediaDecodeTime = event.videoSegmentTimingInfo.baseMediaDecodeTime;\n      }\n      /**\n       * callback to run when appendBuffer is finished. detects if we are\n       * in a good state to do things with the data we got, or if we need\n       * to wait for more\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleUpdateEnd_',\n      value: function handleUpdateEnd_() {\n        if (!this.pendingSegment_) {\n          this.state = 'READY';\n\n          if (!this.paused()) {\n            this.monitorBuffer_();\n          }\n\n          return;\n        }\n\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment;\n        var isWalkingForward = this.mediaIndex !== null;\n        this.pendingSegment_ = null;\n        this.recordThroughput_(segmentInfo);\n        this.addSegmentMetadataCue_(segmentInfo);\n        this.state = 'READY';\n        this.mediaIndex = segmentInfo.mediaIndex;\n        this.fetchAtBuffer_ = true;\n        this.currentTimeline_ = segmentInfo.timeline; // We must update the syncinfo to recalculate the seekable range before\n        // the following conditional otherwise it may consider this a bad \"guess\"\n        // and attempt to resync when the post-update seekable window and live\n        // point would mean that this was the perfect segment to fetch\n\n        this.trigger('syncinfoupdate'); // If we previously appended a segment that ends more than 3 targetDurations before\n        // the currentTime_ that means that our conservative guess was too conservative.\n        // In that case, reset the loader state so that we try to use any information gained\n        // from the previous request to create a new, more accurate, sync-point.\n\n        if (segment.end && this.currentTime_() - segment.end > segmentInfo.playlist.targetDuration * 3) {\n          this.resetEverything();\n          return;\n        } // Don't do a rendition switch unless we have enough time to get a sync segment\n        // and conservatively guess\n\n\n        if (isWalkingForward) {\n          this.trigger('bandwidthupdate');\n        }\n\n        this.trigger('progress'); // any time an update finishes and the last segment is in the\n        // buffer, end the stream. this ensures the \"ended\" event will\n        // fire if playback reaches that point.\n\n        if (this.isEndOfStream_(segmentInfo.mediaIndex + 1, segmentInfo.playlist)) {\n          this.endOfStream();\n        }\n\n        if (!this.paused()) {\n          this.monitorBuffer_();\n        }\n      }\n      /**\n       * Records the current throughput of the decrypt, transmux, and append\n       * portion of the semgment pipeline. `throughput.rate` is a the cumulative\n       * moving average of the throughput. `throughput.count` is the number of\n       * data points in the average.\n       *\n       * @private\n       * @param {Object} segmentInfo the object returned by loadSegment\n       */\n\n    }, {\n      key: 'recordThroughput_',\n      value: function recordThroughput_(segmentInfo) {\n        var rate = this.throughput.rate; // Add one to the time to ensure that we don't accidentally attempt to divide\n        // by zero in the case where the throughput is ridiculously high\n\n        var segmentProcessingTime = Date.now() - segmentInfo.endOfAllRequests + 1; // Multiply by 8000 to convert from bytes/millisecond to bits/second\n\n        var segmentProcessingThroughput = Math.floor(segmentInfo.byteLength / segmentProcessingTime * 8 * 1000); // This is just a cumulative moving average calculation:\n        //   newAvg = oldAvg + (sample - oldAvg) / (sampleCount + 1)\n\n        this.throughput.rate += (segmentProcessingThroughput - rate) / ++this.throughput.count;\n      }\n      /**\n       * Adds a cue to the segment-metadata track with some metadata information about the\n       * segment\n       *\n       * @private\n       * @param {Object} segmentInfo\n       *        the object returned by loadSegment\n       * @method addSegmentMetadataCue_\n       */\n\n    }, {\n      key: 'addSegmentMetadataCue_',\n      value: function addSegmentMetadataCue_(segmentInfo) {\n        if (!this.segmentMetadataTrack_) {\n          return;\n        }\n\n        var segment = segmentInfo.segment;\n        var start = segment.start;\n        var end = segment.end; // Do not try adding the cue if the start and end times are invalid.\n\n        if (!finite(start) || !finite(end)) {\n          return;\n        }\n\n        removeCuesFromTrack(start, end, this.segmentMetadataTrack_);\n        var Cue = window$3.WebKitDataCue || window$3.VTTCue;\n        var value = {\n          custom: segment.custom,\n          dateTimeObject: segment.dateTimeObject,\n          dateTimeString: segment.dateTimeString,\n          bandwidth: segmentInfo.playlist.attributes.BANDWIDTH,\n          resolution: segmentInfo.playlist.attributes.RESOLUTION,\n          codecs: segmentInfo.playlist.attributes.CODECS,\n          byteLength: segmentInfo.byteLength,\n          uri: segmentInfo.uri,\n          timeline: segmentInfo.timeline,\n          playlist: segmentInfo.playlist.id,\n          start: start,\n          end: end\n        };\n        var data = JSON.stringify(value);\n        var cue = new Cue(start, end, data); // Attach the metadata to the value property of the cue to keep consistency between\n        // the differences of WebKitDataCue in safari and VTTCue in other browsers\n\n        cue.value = value;\n        this.segmentMetadataTrack_.addCue(cue);\n      }\n    }]);\n    return SegmentLoader;\n  }(videojs$1.EventTarget);\n\n  var uint8ToUtf8 = function uint8ToUtf8(uintArray) {\n    return decodeURIComponent(escape(String.fromCharCode.apply(null, uintArray)));\n  };\n  /**\n   * @file vtt-segment-loader.js\n   */\n\n\n  var VTT_LINE_TERMINATORS = new Uint8Array('\\n\\n'.split('').map(function (_char2) {\n    return _char2.charCodeAt(0);\n  }));\n  /**\n   * An object that manages segment loading and appending.\n   *\n   * @class VTTSegmentLoader\n   * @param {Object} options required and optional options\n   * @extends videojs.EventTarget\n   */\n\n  var VTTSegmentLoader = function (_SegmentLoader) {\n    inherits$2(VTTSegmentLoader, _SegmentLoader);\n\n    function VTTSegmentLoader(settings) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      classCallCheck$1(this, VTTSegmentLoader); // SegmentLoader requires a MediaSource be specified or it will throw an error;\n      // however, VTTSegmentLoader has no need of a media source, so delete the reference\n\n      var _this = possibleConstructorReturn$1(this, (VTTSegmentLoader.__proto__ || Object.getPrototypeOf(VTTSegmentLoader)).call(this, settings, options));\n\n      _this.mediaSource_ = null;\n      _this.subtitlesTrack_ = null;\n      _this.featuresNativeTextTracks_ = settings.featuresNativeTextTracks;\n      return _this;\n    }\n    /**\n     * Indicates which time ranges are buffered\n     *\n     * @return {TimeRange}\n     *         TimeRange object representing the current buffered ranges\n     */\n\n\n    createClass$1(VTTSegmentLoader, [{\n      key: 'buffered_',\n      value: function buffered_() {\n        if (!this.subtitlesTrack_ || !this.subtitlesTrack_.cues.length) {\n          return videojs$1.createTimeRanges();\n        }\n\n        var cues = this.subtitlesTrack_.cues;\n        var start = cues[0].startTime;\n        var end = cues[cues.length - 1].startTime;\n        return videojs$1.createTimeRanges([[start, end]]);\n      }\n      /**\n       * Gets and sets init segment for the provided map\n       *\n       * @param {Object} map\n       *        The map object representing the init segment to get or set\n       * @param {Boolean=} set\n       *        If true, the init segment for the provided map should be saved\n       * @return {Object}\n       *         map object for desired init segment\n       */\n\n    }, {\n      key: 'initSegment',\n      value: function initSegment(map) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!map) {\n          return null;\n        }\n\n        var id = initSegmentId(map);\n        var storedMap = this.initSegments_[id];\n\n        if (set$$1 && !storedMap && map.bytes) {\n          // append WebVTT line terminators to the media initialization segment if it exists\n          // to follow the WebVTT spec (https://w3c.github.io/webvtt/#file-structure) that\n          // requires two or more WebVTT line terminators between the WebVTT header and the\n          // rest of the file\n          var combinedByteLength = VTT_LINE_TERMINATORS.byteLength + map.bytes.byteLength;\n          var combinedSegment = new Uint8Array(combinedByteLength);\n          combinedSegment.set(map.bytes);\n          combinedSegment.set(VTT_LINE_TERMINATORS, map.bytes.byteLength);\n          this.initSegments_[id] = storedMap = {\n            resolvedUri: map.resolvedUri,\n            byterange: map.byterange,\n            bytes: combinedSegment\n          };\n        }\n\n        return storedMap || map;\n      }\n      /**\n       * Returns true if all configuration required for loading is present, otherwise false.\n       *\n       * @return {Boolean} True if the all configuration is ready for loading\n       * @private\n       */\n\n    }, {\n      key: 'couldBeginLoading_',\n      value: function couldBeginLoading_() {\n        return this.playlist_ && this.subtitlesTrack_ && !this.paused();\n      }\n      /**\n       * Once all the starting parameters have been specified, begin\n       * operation. This method should only be invoked from the INIT\n       * state.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'init_',\n      value: function init_() {\n        this.state = 'READY';\n        this.resetEverything();\n        return this.monitorBuffer_();\n      }\n      /**\n       * Set a subtitle track on the segment loader to add subtitles to\n       *\n       * @param {TextTrack=} track\n       *        The text track to add loaded subtitles to\n       * @return {TextTrack}\n       *        Returns the subtitles track\n       */\n\n    }, {\n      key: 'track',\n      value: function track(_track) {\n        if (typeof _track === 'undefined') {\n          return this.subtitlesTrack_;\n        }\n\n        this.subtitlesTrack_ = _track; // if we were unpaused but waiting for a sourceUpdater, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          this.init_();\n        }\n\n        return this.subtitlesTrack_;\n      }\n      /**\n       * Remove any data in the source buffer between start and end times\n       * @param {Number} start - the start time of the region to remove from the buffer\n       * @param {Number} end - the end time of the region to remove from the buffer\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        removeCuesFromTrack(start, end, this.subtitlesTrack_);\n      }\n      /**\n       * fill the buffer with segements unless the sourceBuffers are\n       * currently updating\n       *\n       * Note: this function should only ever be called by monitorBuffer_\n       * and never directly\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fillBuffer_',\n      value: function fillBuffer_() {\n        var _this2 = this;\n\n        if (!this.syncPoint_) {\n          this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());\n        } // see if we need to begin loading immediately\n\n\n        var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);\n        segmentInfo = this.skipEmptySegments_(segmentInfo);\n\n        if (!segmentInfo) {\n          return;\n        }\n\n        if (this.syncController_.timestampOffsetForTimeline(segmentInfo.timeline) === null) {\n          // We don't have the timestamp offset that we need to sync subtitles.\n          // Rerun on a timestamp offset or user interaction.\n          var checkTimestampOffset = function checkTimestampOffset() {\n            _this2.state = 'READY';\n\n            if (!_this2.paused()) {\n              // if not paused, queue a buffer check as soon as possible\n              _this2.monitorBuffer_();\n            }\n          };\n\n          this.syncController_.one('timestampoffset', checkTimestampOffset);\n          this.state = 'WAITING_ON_TIMELINE';\n          return;\n        }\n\n        this.loadSegment_(segmentInfo);\n      }\n      /**\n       * Prevents the segment loader from requesting segments we know contain no subtitles\n       * by walking forward until we find the next segment that we don't know whether it is\n       * empty or not.\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @return {Object}\n       *         a segment info object that describes the current segment\n       */\n\n    }, {\n      key: 'skipEmptySegments_',\n      value: function skipEmptySegments_(segmentInfo) {\n        while (segmentInfo && segmentInfo.segment.empty) {\n          segmentInfo = this.generateSegmentInfo_(segmentInfo.playlist, segmentInfo.mediaIndex + 1, segmentInfo.startOfSegment + segmentInfo.duration, segmentInfo.isSyncRequest);\n        }\n\n        return segmentInfo;\n      }\n      /**\n       * append a decrypted segement to the SourceBuffer through a SourceUpdater\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSegment_',\n      value: function handleSegment_() {\n        var _this3 = this;\n\n        if (!this.pendingSegment_ || !this.subtitlesTrack_) {\n          this.state = 'READY';\n          return;\n        }\n\n        this.state = 'APPENDING';\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment; // Make sure that vttjs has loaded, otherwise, wait till it finished loading\n\n        if (typeof window$3.WebVTT !== 'function' && this.subtitlesTrack_ && this.subtitlesTrack_.tech_) {\n          var loadHandler = void 0;\n\n          var errorHandler = function errorHandler() {\n            _this3.subtitlesTrack_.tech_.off('vttjsloaded', loadHandler);\n\n            _this3.error({\n              message: 'Error loading vtt.js'\n            });\n\n            _this3.state = 'READY';\n\n            _this3.pause();\n\n            _this3.trigger('error');\n          };\n\n          loadHandler = function loadHandler() {\n            _this3.subtitlesTrack_.tech_.off('vttjserror', errorHandler);\n\n            _this3.handleSegment_();\n          };\n\n          this.state = 'WAITING_ON_VTTJS';\n          this.subtitlesTrack_.tech_.one('vttjsloaded', loadHandler);\n          this.subtitlesTrack_.tech_.one('vttjserror', errorHandler);\n          return;\n        }\n\n        segment.requested = true;\n\n        try {\n          this.parseVTTCues_(segmentInfo);\n        } catch (e) {\n          this.error({\n            message: e.message\n          });\n          this.state = 'READY';\n          this.pause();\n          return this.trigger('error');\n        }\n\n        this.updateTimeMapping_(segmentInfo, this.syncController_.timelines[segmentInfo.timeline], this.playlist_);\n\n        if (segmentInfo.isSyncRequest) {\n          this.trigger('syncinfoupdate');\n          this.pendingSegment_ = null;\n          this.state = 'READY';\n          return;\n        }\n\n        segmentInfo.byteLength = segmentInfo.bytes.byteLength;\n        this.mediaSecondsLoaded += segment.duration;\n\n        if (segmentInfo.cues.length) {\n          // remove any overlapping cues to prevent doubling\n          this.remove(segmentInfo.cues[0].endTime, segmentInfo.cues[segmentInfo.cues.length - 1].endTime);\n        }\n\n        segmentInfo.cues.forEach(function (cue) {\n          _this3.subtitlesTrack_.addCue(_this3.featuresNativeTextTracks_ ? new window$3.VTTCue(cue.startTime, cue.endTime, cue.text) : cue);\n        });\n        this.handleUpdateEnd_();\n      }\n      /**\n       * Uses the WebVTT parser to parse the segment response\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @private\n       */\n\n    }, {\n      key: 'parseVTTCues_',\n      value: function parseVTTCues_(segmentInfo) {\n        var decoder = void 0;\n        var decodeBytesToString = false;\n\n        if (typeof window$3.TextDecoder === 'function') {\n          decoder = new window$3.TextDecoder('utf8');\n        } else {\n          decoder = window$3.WebVTT.StringDecoder();\n          decodeBytesToString = true;\n        }\n\n        var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, decoder);\n        segmentInfo.cues = [];\n        segmentInfo.timestampmap = {\n          MPEGTS: 0,\n          LOCAL: 0\n        };\n        parser.oncue = segmentInfo.cues.push.bind(segmentInfo.cues);\n\n        parser.ontimestampmap = function (map) {\n          return segmentInfo.timestampmap = map;\n        };\n\n        parser.onparsingerror = function (error) {\n          videojs$1.log.warn('Error encountered when parsing cues: ' + error.message);\n        };\n\n        if (segmentInfo.segment.map) {\n          var mapData = segmentInfo.segment.map.bytes;\n\n          if (decodeBytesToString) {\n            mapData = uint8ToUtf8(mapData);\n          }\n\n          parser.parse(mapData);\n        }\n\n        var segmentData = segmentInfo.bytes;\n\n        if (decodeBytesToString) {\n          segmentData = uint8ToUtf8(segmentData);\n        }\n\n        parser.parse(segmentData);\n        parser.flush();\n      }\n      /**\n       * Updates the start and end times of any cues parsed by the WebVTT parser using\n       * the information parsed from the X-TIMESTAMP-MAP header and a TS to media time mapping\n       * from the SyncController\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @param {Object} mappingObj\n       *        object containing a mapping from TS to media time\n       * @param {Object} playlist\n       *        the playlist object containing the segment\n       * @private\n       */\n\n    }, {\n      key: 'updateTimeMapping_',\n      value: function updateTimeMapping_(segmentInfo, mappingObj, playlist) {\n        var segment = segmentInfo.segment;\n\n        if (!mappingObj) {\n          // If the sync controller does not have a mapping of TS to Media Time for the\n          // timeline, then we don't have enough information to update the cue\n          // start/end times\n          return;\n        }\n\n        if (!segmentInfo.cues.length) {\n          // If there are no cues, we also do not have enough information to figure out\n          // segment timing. Mark that the segment contains no cues so we don't re-request\n          // an empty segment.\n          segment.empty = true;\n          return;\n        }\n\n        var timestampmap = segmentInfo.timestampmap;\n        var diff = timestampmap.MPEGTS / 90000 - timestampmap.LOCAL + mappingObj.mapping;\n        segmentInfo.cues.forEach(function (cue) {\n          // First convert cue time to TS time using the timestamp-map provided within the vtt\n          cue.startTime += diff;\n          cue.endTime += diff;\n        });\n\n        if (!playlist.syncInfo) {\n          var firstStart = segmentInfo.cues[0].startTime;\n          var lastStart = segmentInfo.cues[segmentInfo.cues.length - 1].startTime;\n          playlist.syncInfo = {\n            mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,\n            time: Math.min(firstStart, lastStart - segment.duration)\n          };\n        }\n      }\n    }]);\n    return VTTSegmentLoader;\n  }(SegmentLoader);\n  /**\n   * @file ad-cue-tags.js\n   */\n\n  /**\n   * Searches for an ad cue that overlaps with the given mediaTime\n   */\n\n\n  var findAdCue = function findAdCue(track, mediaTime) {\n    var cues = track.cues;\n\n    for (var i = 0; i < cues.length; i++) {\n      var cue = cues[i];\n\n      if (mediaTime >= cue.adStartTime && mediaTime <= cue.adEndTime) {\n        return cue;\n      }\n    }\n\n    return null;\n  };\n\n  var updateAdCues = function updateAdCues(media, track) {\n    var offset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;\n\n    if (!media.segments) {\n      return;\n    }\n\n    var mediaTime = offset;\n    var cue = void 0;\n\n    for (var i = 0; i < media.segments.length; i++) {\n      var segment = media.segments[i];\n\n      if (!cue) {\n        // Since the cues will span for at least the segment duration, adding a fudge\n        // factor of half segment duration will prevent duplicate cues from being\n        // created when timing info is not exact (e.g. cue start time initialized\n        // at 10.006677, but next call mediaTime is 10.003332 )\n        cue = findAdCue(track, mediaTime + segment.duration / 2);\n      }\n\n      if (cue) {\n        if ('cueIn' in segment) {\n          // Found a CUE-IN so end the cue\n          cue.endTime = mediaTime;\n          cue.adEndTime = mediaTime;\n          mediaTime += segment.duration;\n          cue = null;\n          continue;\n        }\n\n        if (mediaTime < cue.endTime) {\n          // Already processed this mediaTime for this cue\n          mediaTime += segment.duration;\n          continue;\n        } // otherwise extend cue until a CUE-IN is found\n\n\n        cue.endTime += segment.duration;\n      } else {\n        if ('cueOut' in segment) {\n          cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, segment.cueOut);\n          cue.adStartTime = mediaTime; // Assumes tag format to be\n          // #EXT-X-CUE-OUT:30\n\n          cue.adEndTime = mediaTime + parseFloat(segment.cueOut);\n          track.addCue(cue);\n        }\n\n        if ('cueOutCont' in segment) {\n          // Entered into the middle of an ad cue\n          var adOffset = void 0;\n          var adTotal = void 0; // Assumes tag formate to be\n          // #EXT-X-CUE-OUT-CONT:10/30\n\n          var _segment$cueOutCont$s = segment.cueOutCont.split('/').map(parseFloat);\n\n          var _segment$cueOutCont$s2 = slicedToArray(_segment$cueOutCont$s, 2);\n\n          adOffset = _segment$cueOutCont$s2[0];\n          adTotal = _segment$cueOutCont$s2[1];\n          cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, '');\n          cue.adStartTime = mediaTime - adOffset;\n          cue.adEndTime = cue.adStartTime + adTotal;\n          track.addCue(cue);\n        }\n      }\n\n      mediaTime += segment.duration;\n    }\n  };\n  /**\n   * @file sync-controller.js\n   */\n\n\n  var tsprobe = tsInspector.inspect;\n  var syncPointStrategies = [// Stategy \"VOD\": Handle the VOD-case where the sync-point is *always*\n  //                the equivalence display-time 0 === segment-index 0\n  {\n    name: 'VOD',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (duration$$1 !== Infinity) {\n        var syncPoint = {\n          time: 0,\n          segmentIndex: 0\n        };\n        return syncPoint;\n      }\n\n      return null;\n    }\n  }, // Stategy \"ProgramDateTime\": We have a program-date-time tag in this playlist\n  {\n    name: 'ProgramDateTime',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (!syncController.datetimeToDisplayTime) {\n        return null;\n      }\n\n      var segments = playlist.segments || [];\n      var syncPoint = null;\n      var lastDistance = null;\n      currentTime = currentTime || 0;\n\n      for (var i = 0; i < segments.length; i++) {\n        var segment = segments[i];\n\n        if (segment.dateTimeObject) {\n          var segmentTime = segment.dateTimeObject.getTime() / 1000;\n          var segmentStart = segmentTime + syncController.datetimeToDisplayTime;\n          var distance = Math.abs(currentTime - segmentStart); // Once the distance begins to increase, or if distance is 0, we have passed\n          // currentTime and can stop looking for better candidates\n\n          if (lastDistance !== null && (distance === 0 || lastDistance < distance)) {\n            break;\n          }\n\n          lastDistance = distance;\n          syncPoint = {\n            time: segmentStart,\n            segmentIndex: i\n          };\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Segment\": We have a known time mapping for a timeline and a\n  //                    segment in the current timeline with timing data\n  {\n    name: 'Segment',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      var segments = playlist.segments || [];\n      var syncPoint = null;\n      var lastDistance = null;\n      currentTime = currentTime || 0;\n\n      for (var i = 0; i < segments.length; i++) {\n        var segment = segments[i];\n\n        if (segment.timeline === currentTimeline && typeof segment.start !== 'undefined') {\n          var distance = Math.abs(currentTime - segment.start); // Once the distance begins to increase, we have passed\n          // currentTime and can stop looking for better candidates\n\n          if (lastDistance !== null && lastDistance < distance) {\n            break;\n          }\n\n          if (!syncPoint || lastDistance === null || lastDistance >= distance) {\n            lastDistance = distance;\n            syncPoint = {\n              time: segment.start,\n              segmentIndex: i\n            };\n          }\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Discontinuity\": We have a discontinuity with a known\n  //                          display-time\n  {\n    name: 'Discontinuity',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      var syncPoint = null;\n      currentTime = currentTime || 0;\n\n      if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {\n        var lastDistance = null;\n\n        for (var i = 0; i < playlist.discontinuityStarts.length; i++) {\n          var segmentIndex = playlist.discontinuityStarts[i];\n          var discontinuity = playlist.discontinuitySequence + i + 1;\n          var discontinuitySync = syncController.discontinuities[discontinuity];\n\n          if (discontinuitySync) {\n            var distance = Math.abs(currentTime - discontinuitySync.time); // Once the distance begins to increase, we have passed\n            // currentTime and can stop looking for better candidates\n\n            if (lastDistance !== null && lastDistance < distance) {\n              break;\n            }\n\n            if (!syncPoint || lastDistance === null || lastDistance >= distance) {\n              lastDistance = distance;\n              syncPoint = {\n                time: discontinuitySync.time,\n                segmentIndex: segmentIndex\n              };\n            }\n          }\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Playlist\": We have a playlist with a known mapping of\n  //                     segment index to display time\n  {\n    name: 'Playlist',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (playlist.syncInfo) {\n        var syncPoint = {\n          time: playlist.syncInfo.time,\n          segmentIndex: playlist.syncInfo.mediaSequence - playlist.mediaSequence\n        };\n        return syncPoint;\n      }\n\n      return null;\n    }\n  }];\n\n  var SyncController = function (_videojs$EventTarget) {\n    inherits$2(SyncController, _videojs$EventTarget);\n\n    function SyncController() {\n      classCallCheck$1(this, SyncController); // Segment Loader state variables...\n      // ...for synching across variants\n\n      var _this = possibleConstructorReturn$1(this, (SyncController.__proto__ || Object.getPrototypeOf(SyncController)).call(this));\n\n      _this.inspectCache_ = undefined; // ...for synching across variants\n\n      _this.timelines = [];\n      _this.discontinuities = [];\n      _this.datetimeToDisplayTime = null;\n      _this.logger_ = logger('SyncController');\n      return _this;\n    }\n    /**\n     * Find a sync-point for the playlist specified\n     *\n     * A sync-point is defined as a known mapping from display-time to\n     * a segment-index in the current playlist.\n     *\n     * @param {Playlist} playlist\n     *        The playlist that needs a sync-point\n     * @param {Number} duration\n     *        Duration of the MediaSource (Infinite if playing a live source)\n     * @param {Number} currentTimeline\n     *        The last timeline from which a segment was loaded\n     * @returns {Object}\n     *          A sync-point object\n     */\n\n\n    createClass$1(SyncController, [{\n      key: 'getSyncPoint',\n      value: function getSyncPoint(playlist, duration$$1, currentTimeline, currentTime) {\n        var syncPoints = this.runStrategies_(playlist, duration$$1, currentTimeline, currentTime);\n\n        if (!syncPoints.length) {\n          // Signal that we need to attempt to get a sync-point manually\n          // by fetching a segment in the playlist and constructing\n          // a sync-point from that information\n          return null;\n        } // Now find the sync-point that is closest to the currentTime because\n        // that should result in the most accurate guess about which segment\n        // to fetch\n\n\n        return this.selectSyncPoint_(syncPoints, {\n          key: 'time',\n          value: currentTime\n        });\n      }\n      /**\n       * Calculate the amount of time that has expired off the playlist during playback\n       *\n       * @param {Playlist} playlist\n       *        Playlist object to calculate expired from\n       * @param {Number} duration\n       *        Duration of the MediaSource (Infinity if playling a live source)\n       * @returns {Number|null}\n       *          The amount of time that has expired off the playlist during playback. Null\n       *          if no sync-points for the playlist can be found.\n       */\n\n    }, {\n      key: 'getExpiredTime',\n      value: function getExpiredTime(playlist, duration$$1) {\n        if (!playlist || !playlist.segments) {\n          return null;\n        }\n\n        var syncPoints = this.runStrategies_(playlist, duration$$1, playlist.discontinuitySequence, 0); // Without sync-points, there is not enough information to determine the expired time\n\n        if (!syncPoints.length) {\n          return null;\n        }\n\n        var syncPoint = this.selectSyncPoint_(syncPoints, {\n          key: 'segmentIndex',\n          value: 0\n        }); // If the sync-point is beyond the start of the playlist, we want to subtract the\n        // duration from index 0 to syncPoint.segmentIndex instead of adding.\n\n        if (syncPoint.segmentIndex > 0) {\n          syncPoint.time *= -1;\n        }\n\n        return Math.abs(syncPoint.time + sumDurations(playlist, syncPoint.segmentIndex, 0));\n      }\n      /**\n       * Runs each sync-point strategy and returns a list of sync-points returned by the\n       * strategies\n       *\n       * @private\n       * @param {Playlist} playlist\n       *        The playlist that needs a sync-point\n       * @param {Number} duration\n       *        Duration of the MediaSource (Infinity if playing a live source)\n       * @param {Number} currentTimeline\n       *        The last timeline from which a segment was loaded\n       * @returns {Array}\n       *          A list of sync-point objects\n       */\n\n    }, {\n      key: 'runStrategies_',\n      value: function runStrategies_(playlist, duration$$1, currentTimeline, currentTime) {\n        var syncPoints = []; // Try to find a sync-point in by utilizing various strategies...\n\n        for (var i = 0; i < syncPointStrategies.length; i++) {\n          var strategy = syncPointStrategies[i];\n          var syncPoint = strategy.run(this, playlist, duration$$1, currentTimeline, currentTime);\n\n          if (syncPoint) {\n            syncPoint.strategy = strategy.name;\n            syncPoints.push({\n              strategy: strategy.name,\n              syncPoint: syncPoint\n            });\n          }\n        }\n\n        return syncPoints;\n      }\n      /**\n       * Selects the sync-point nearest the specified target\n       *\n       * @private\n       * @param {Array} syncPoints\n       *        List of sync-points to select from\n       * @param {Object} target\n       *        Object specifying the property and value we are targeting\n       * @param {String} target.key\n       *        Specifies the property to target. Must be either 'time' or 'segmentIndex'\n       * @param {Number} target.value\n       *        The value to target for the specified key.\n       * @returns {Object}\n       *          The sync-point nearest the target\n       */\n\n    }, {\n      key: 'selectSyncPoint_',\n      value: function selectSyncPoint_(syncPoints, target) {\n        var bestSyncPoint = syncPoints[0].syncPoint;\n        var bestDistance = Math.abs(syncPoints[0].syncPoint[target.key] - target.value);\n        var bestStrategy = syncPoints[0].strategy;\n\n        for (var i = 1; i < syncPoints.length; i++) {\n          var newDistance = Math.abs(syncPoints[i].syncPoint[target.key] - target.value);\n\n          if (newDistance < bestDistance) {\n            bestDistance = newDistance;\n            bestSyncPoint = syncPoints[i].syncPoint;\n            bestStrategy = syncPoints[i].strategy;\n          }\n        }\n\n        this.logger_('syncPoint for [' + target.key + ': ' + target.value + '] chosen with strategy' + (' [' + bestStrategy + ']: [time:' + bestSyncPoint.time + ',') + (' segmentIndex:' + bestSyncPoint.segmentIndex + ']'));\n        return bestSyncPoint;\n      }\n      /**\n       * Save any meta-data present on the segments when segments leave\n       * the live window to the playlist to allow for synchronization at the\n       * playlist level later.\n       *\n       * @param {Playlist} oldPlaylist - The previous active playlist\n       * @param {Playlist} newPlaylist - The updated and most current playlist\n       */\n\n    }, {\n      key: 'saveExpiredSegmentInfo',\n      value: function saveExpiredSegmentInfo(oldPlaylist, newPlaylist) {\n        var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence; // When a segment expires from the playlist and it has a start time\n        // save that information as a possible sync-point reference in future\n\n        for (var i = mediaSequenceDiff - 1; i >= 0; i--) {\n          var lastRemovedSegment = oldPlaylist.segments[i];\n\n          if (lastRemovedSegment && typeof lastRemovedSegment.start !== 'undefined') {\n            newPlaylist.syncInfo = {\n              mediaSequence: oldPlaylist.mediaSequence + i,\n              time: lastRemovedSegment.start\n            };\n            this.logger_('playlist refresh sync: [time:' + newPlaylist.syncInfo.time + ',' + (' mediaSequence: ' + newPlaylist.syncInfo.mediaSequence + ']'));\n            this.trigger('syncinfoupdate');\n            break;\n          }\n        }\n      }\n      /**\n       * Save the mapping from playlist's ProgramDateTime to display. This should\n       * only ever happen once at the start of playback.\n       *\n       * @param {Playlist} playlist - The currently active playlist\n       */\n\n    }, {\n      key: 'setDateTimeMapping',\n      value: function setDateTimeMapping(playlist) {\n        if (!this.datetimeToDisplayTime && playlist.segments && playlist.segments.length && playlist.segments[0].dateTimeObject) {\n          var playlistTimestamp = playlist.segments[0].dateTimeObject.getTime() / 1000;\n          this.datetimeToDisplayTime = -playlistTimestamp;\n        }\n      }\n      /**\n       * Reset the state of the inspection cache when we do a rendition\n       * switch\n       */\n\n    }, {\n      key: 'reset',\n      value: function reset() {\n        this.inspectCache_ = undefined;\n      }\n      /**\n       * Probe or inspect a fmp4 or an mpeg2-ts segment to determine the start\n       * and end of the segment in it's internal \"media time\". Used to generate\n       * mappings from that internal \"media time\" to the display time that is\n       * shown on the player.\n       *\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       */\n\n    }, {\n      key: 'probeSegmentInfo',\n      value: function probeSegmentInfo(segmentInfo) {\n        var segment = segmentInfo.segment;\n        var playlist = segmentInfo.playlist;\n        var timingInfo = void 0;\n\n        if (segment.map) {\n          timingInfo = this.probeMp4Segment_(segmentInfo);\n        } else {\n          timingInfo = this.probeTsSegment_(segmentInfo);\n        }\n\n        if (timingInfo) {\n          if (this.calculateSegmentTimeMapping_(segmentInfo, timingInfo)) {\n            this.saveDiscontinuitySyncInfo_(segmentInfo); // If the playlist does not have sync information yet, record that information\n            // now with segment timing information\n\n            if (!playlist.syncInfo) {\n              playlist.syncInfo = {\n                mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,\n                time: segment.start\n              };\n            }\n          }\n        }\n\n        return timingInfo;\n      }\n      /**\n       * Probe an fmp4 segment to determine the start of the segment\n       * in it's internal \"composition time\", which is equal to the base\n       * media decode time plus the composition time offset value\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       * @return {object} The start and end time of the current segment in \"composition time\"\n       */\n\n    }, {\n      key: 'probeMp4Segment_',\n      value: function probeMp4Segment_(segmentInfo) {\n        var segment = segmentInfo.segment; // get timescales from init segment\n\n        var timescales = probe.timescale(segment.map.bytes); // calculate composition start time using the timescales and information\n        // contained within the media segment\n\n        var compositionStartTime = probe.compositionStartTime(timescales, segmentInfo.bytes);\n\n        if (segmentInfo.timestampOffset !== null) {\n          segmentInfo.timestampOffset -= compositionStartTime;\n        }\n\n        return {\n          start: compositionStartTime,\n          end: compositionStartTime + segment.duration\n        };\n      }\n      /**\n       * Probe an mpeg2-ts segment to determine the start and end of the segment\n       * in it's internal \"media time\".\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       * @return {object} The start and end time of the current segment in \"media time\"\n       */\n\n    }, {\n      key: 'probeTsSegment_',\n      value: function probeTsSegment_(segmentInfo) {\n        var timeInfo = tsprobe(segmentInfo.bytes, this.inspectCache_);\n        var segmentStartTime = void 0;\n        var segmentEndTime = void 0;\n        var segmentTimestampInfo = void 0;\n\n        if (!timeInfo) {\n          return null;\n        }\n\n        if (timeInfo.video && timeInfo.video.length === 2) {\n          this.inspectCache_ = timeInfo.video[1].dts;\n          segmentStartTime = timeInfo.video[0].dtsTime;\n          segmentEndTime = timeInfo.video[1].dtsTime;\n          segmentTimestampInfo = timeInfo.video;\n        } else if (timeInfo.audio && timeInfo.audio.length === 2) {\n          this.inspectCache_ = timeInfo.audio[1].dts;\n          segmentStartTime = timeInfo.audio[0].dtsTime;\n          segmentEndTime = timeInfo.audio[1].dtsTime;\n          segmentTimestampInfo = timeInfo.audio;\n        }\n\n        var probedInfo = {\n          segmentTimestampInfo: segmentTimestampInfo,\n          start: segmentStartTime,\n          end: segmentEndTime,\n          containsVideo: timeInfo.video && timeInfo.video.length === 2,\n          containsAudio: timeInfo.audio && timeInfo.audio.length === 2\n        };\n        return probedInfo;\n      }\n    }, {\n      key: 'timestampOffsetForTimeline',\n      value: function timestampOffsetForTimeline(timeline) {\n        if (typeof this.timelines[timeline] === 'undefined') {\n          return null;\n        }\n\n        return this.timelines[timeline].time;\n      }\n    }, {\n      key: 'mappingForTimeline',\n      value: function mappingForTimeline(timeline) {\n        if (typeof this.timelines[timeline] === 'undefined') {\n          return null;\n        }\n\n        return this.timelines[timeline].mapping;\n      }\n      /**\n       * Use the \"media time\" for a segment to generate a mapping to \"display time\" and\n       * save that display time to the segment.\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo\n       *        The current active request information\n       * @param {object} timingInfo\n       *        The start and end time of the current segment in \"media time\"\n       * @returns {Boolean}\n       *          Returns false if segment time mapping could not be calculated\n       */\n\n    }, {\n      key: 'calculateSegmentTimeMapping_',\n      value: function calculateSegmentTimeMapping_(segmentInfo, timingInfo) {\n        var segment = segmentInfo.segment;\n        var mappingObj = this.timelines[segmentInfo.timeline];\n\n        if (segmentInfo.timestampOffset !== null) {\n          mappingObj = {\n            time: segmentInfo.startOfSegment,\n            mapping: segmentInfo.startOfSegment - timingInfo.start\n          };\n          this.timelines[segmentInfo.timeline] = mappingObj;\n          this.trigger('timestampoffset');\n          this.logger_('time mapping for timeline ' + segmentInfo.timeline + ': ' + ('[time: ' + mappingObj.time + '] [mapping: ' + mappingObj.mapping + ']'));\n          segment.start = segmentInfo.startOfSegment;\n          segment.end = timingInfo.end + mappingObj.mapping;\n        } else if (mappingObj) {\n          segment.start = timingInfo.start + mappingObj.mapping;\n          segment.end = timingInfo.end + mappingObj.mapping;\n        } else {\n          return false;\n        }\n\n        return true;\n      }\n      /**\n       * Each time we have discontinuity in the playlist, attempt to calculate the location\n       * in display of the start of the discontinuity and save that. We also save an accuracy\n       * value so that we save values with the most accuracy (closest to 0.)\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       */\n\n    }, {\n      key: 'saveDiscontinuitySyncInfo_',\n      value: function saveDiscontinuitySyncInfo_(segmentInfo) {\n        var playlist = segmentInfo.playlist;\n        var segment = segmentInfo.segment; // If the current segment is a discontinuity then we know exactly where\n        // the start of the range and it's accuracy is 0 (greater accuracy values\n        // mean more approximation)\n\n        if (segment.discontinuity) {\n          this.discontinuities[segment.timeline] = {\n            time: segment.start,\n            accuracy: 0\n          };\n        } else if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {\n          // Search for future discontinuities that we can provide better timing\n          // information for and save that information for sync purposes\n          for (var i = 0; i < playlist.discontinuityStarts.length; i++) {\n            var segmentIndex = playlist.discontinuityStarts[i];\n            var discontinuity = playlist.discontinuitySequence + i + 1;\n            var mediaIndexDiff = segmentIndex - segmentInfo.mediaIndex;\n            var accuracy = Math.abs(mediaIndexDiff);\n\n            if (!this.discontinuities[discontinuity] || this.discontinuities[discontinuity].accuracy > accuracy) {\n              var time = void 0;\n\n              if (mediaIndexDiff < 0) {\n                time = segment.start - sumDurations(playlist, segmentInfo.mediaIndex, segmentIndex);\n              } else {\n                time = segment.end + sumDurations(playlist, segmentInfo.mediaIndex + 1, segmentIndex);\n              }\n\n              this.discontinuities[discontinuity] = {\n                time: time,\n                accuracy: accuracy\n              };\n            }\n          }\n        }\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n      }\n    }]);\n    return SyncController;\n  }(videojs$1.EventTarget);\n\n  var Decrypter$1 = new shimWorker(\"./decrypter-worker.worker.js\", function (window, document$$1) {\n    var self = this;\n\n    var decrypterWorker = function () {\n      /*\n       * pkcs7.pad\n       * https://github.com/brightcove/pkcs7\n       *\n       * Copyright (c) 2014 Brightcove\n       * Licensed under the apache2 license.\n       */\n\n      /**\n       * Returns the subarray of a Uint8Array without PKCS#7 padding.\n       * @param padded {Uint8Array} unencrypted bytes that have been padded\n       * @return {Uint8Array} the unpadded bytes\n       * @see http://tools.ietf.org/html/rfc5652\n       */\n      function unpad(padded) {\n        return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);\n      }\n\n      var classCallCheck = function classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n          throw new TypeError(\"Cannot call a class as a function\");\n        }\n      };\n\n      var createClass = function () {\n        function defineProperties(target, props) {\n          for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n          }\n        }\n\n        return function (Constructor, protoProps, staticProps) {\n          if (protoProps) defineProperties(Constructor.prototype, protoProps);\n          if (staticProps) defineProperties(Constructor, staticProps);\n          return Constructor;\n        };\n      }();\n\n      var inherits = function inherits(subClass, superClass) {\n        if (typeof superClass !== \"function\" && superClass !== null) {\n          throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n        }\n\n        subClass.prototype = Object.create(superClass && superClass.prototype, {\n          constructor: {\n            value: subClass,\n            enumerable: false,\n            writable: true,\n            configurable: true\n          }\n        });\n        if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n      };\n\n      var possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n        if (!self) {\n          throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n        }\n\n        return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n      };\n      /**\n       * @file aes.js\n       *\n       * This file contains an adaptation of the AES decryption algorithm\n       * from the Standford Javascript Cryptography Library. That work is\n       * covered by the following copyright and permissions notice:\n       *\n       * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n       * All rights reserved.\n       *\n       * Redistribution and use in source and binary forms, with or without\n       * modification, are permitted provided that the following conditions are\n       * met:\n       *\n       * 1. Redistributions of source code must retain the above copyright\n       *    notice, this list of conditions and the following disclaimer.\n       *\n       * 2. Redistributions in binary form must reproduce the above\n       *    copyright notice, this list of conditions and the following\n       *    disclaimer in the documentation and/or other materials provided\n       *    with the distribution.\n       *\n       * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n       * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n       * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n       * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE\n       * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n       * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n       * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n       * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n       * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n       * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n       * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n       *\n       * The views and conclusions contained in the software and documentation\n       * are those of the authors and should not be interpreted as representing\n       * official policies, either expressed or implied, of the authors.\n       */\n\n      /**\n       * Expand the S-box tables.\n       *\n       * @private\n       */\n\n\n      var precompute = function precompute() {\n        var tables = [[[], [], [], [], []], [[], [], [], [], []]];\n        var encTable = tables[0];\n        var decTable = tables[1];\n        var sbox = encTable[4];\n        var sboxInv = decTable[4];\n        var i = void 0;\n        var x = void 0;\n        var xInv = void 0;\n        var d = [];\n        var th = [];\n        var x2 = void 0;\n        var x4 = void 0;\n        var x8 = void 0;\n        var s = void 0;\n        var tEnc = void 0;\n        var tDec = void 0; // Compute double and third tables\n\n        for (i = 0; i < 256; i++) {\n          th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;\n        }\n\n        for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n          // Compute sbox\n          s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;\n          s = s >> 8 ^ s & 255 ^ 99;\n          sbox[x] = s;\n          sboxInv[s] = x; // Compute MixColumns\n\n          x8 = d[x4 = d[x2 = d[x]]];\n          tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;\n          tEnc = d[s] * 0x101 ^ s * 0x1010100;\n\n          for (i = 0; i < 4; i++) {\n            encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;\n            decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;\n          }\n        } // Compactify. Considerable speedup on Firefox.\n\n\n        for (i = 0; i < 5; i++) {\n          encTable[i] = encTable[i].slice(0);\n          decTable[i] = decTable[i].slice(0);\n        }\n\n        return tables;\n      };\n\n      var aesTables = null;\n      /**\n       * Schedule out an AES key for both encryption and decryption. This\n       * is a low-level class. Use a cipher mode to do bulk encryption.\n       *\n       * @class AES\n       * @param key {Array} The key as an array of 4, 6 or 8 words.\n       */\n\n      var AES = function () {\n        function AES(key) {\n          classCallCheck(this, AES);\n          /**\n           * The expanded S-box and inverse S-box tables. These will be computed\n           * on the client so that we don't have to send them down the wire.\n           *\n           * There are two tables, _tables[0] is for encryption and\n           * _tables[1] is for decryption.\n           *\n           * The first 4 sub-tables are the expanded S-box with MixColumns. The\n           * last (_tables[01][4]) is the S-box itself.\n           *\n           * @private\n           */\n          // if we have yet to precompute the S-box tables\n          // do so now\n\n          if (!aesTables) {\n            aesTables = precompute();\n          } // then make a copy of that object for use\n\n\n          this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];\n          var i = void 0;\n          var j = void 0;\n          var tmp = void 0;\n          var encKey = void 0;\n          var decKey = void 0;\n          var sbox = this._tables[0][4];\n          var decTable = this._tables[1];\n          var keyLen = key.length;\n          var rcon = 1;\n\n          if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n            throw new Error('Invalid aes key size');\n          }\n\n          encKey = key.slice(0);\n          decKey = [];\n          this._key = [encKey, decKey]; // schedule encryption keys\n\n          for (i = keyLen; i < 4 * keyLen + 28; i++) {\n            tmp = encKey[i - 1]; // apply sbox\n\n            if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {\n              tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon\n\n              if (i % keyLen === 0) {\n                tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;\n                rcon = rcon << 1 ^ (rcon >> 7) * 283;\n              }\n            }\n\n            encKey[i] = encKey[i - keyLen] ^ tmp;\n          } // schedule decryption keys\n\n\n          for (j = 0; i; j++, i--) {\n            tmp = encKey[j & 3 ? i : i - 4];\n\n            if (i <= 4 || j < 4) {\n              decKey[j] = tmp;\n            } else {\n              decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];\n            }\n          }\n        }\n        /**\n         * Decrypt 16 bytes, specified as four 32-bit words.\n         *\n         * @param {Number} encrypted0 the first word to decrypt\n         * @param {Number} encrypted1 the second word to decrypt\n         * @param {Number} encrypted2 the third word to decrypt\n         * @param {Number} encrypted3 the fourth word to decrypt\n         * @param {Int32Array} out the array to write the decrypted words\n         * into\n         * @param {Number} offset the offset into the output array to start\n         * writing results\n         * @return {Array} The plaintext.\n         */\n\n\n        AES.prototype.decrypt = function decrypt$$1(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n          var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data\n\n          var a = encrypted0 ^ key[0];\n          var b = encrypted3 ^ key[1];\n          var c = encrypted2 ^ key[2];\n          var d = encrypted1 ^ key[3];\n          var a2 = void 0;\n          var b2 = void 0;\n          var c2 = void 0; // key.length === 2 ?\n\n          var nInnerRounds = key.length / 4 - 2;\n          var i = void 0;\n          var kIndex = 4;\n          var table = this._tables[1]; // load up the tables\n\n          var table0 = table[0];\n          var table1 = table[1];\n          var table2 = table[2];\n          var table3 = table[3];\n          var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.\n\n          for (i = 0; i < nInnerRounds; i++) {\n            a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];\n            b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n            c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n            d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n            kIndex += 4;\n            a = a2;\n            b = b2;\n            c = c2;\n          } // Last round.\n\n\n          for (i = 0; i < 4; i++) {\n            out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];\n            a2 = a;\n            a = b;\n            b = c;\n            c = d;\n            d = a2;\n          }\n        };\n\n        return AES;\n      }();\n      /**\n       * @file stream.js\n       */\n\n      /**\n       * A lightweight readable stream implemention that handles event dispatching.\n       *\n       * @class Stream\n       */\n\n\n      var Stream = function () {\n        function Stream() {\n          classCallCheck(this, Stream);\n          this.listeners = {};\n        }\n        /**\n         * Add a listener for a specified event type.\n         *\n         * @param {String} type the event name\n         * @param {Function} listener the callback to be invoked when an event of\n         * the specified type occurs\n         */\n\n\n        Stream.prototype.on = function on(type, listener) {\n          if (!this.listeners[type]) {\n            this.listeners[type] = [];\n          }\n\n          this.listeners[type].push(listener);\n        };\n        /**\n         * Remove a listener for a specified event type.\n         *\n         * @param {String} type the event name\n         * @param {Function} listener  a function previously registered for this\n         * type of event through `on`\n         * @return {Boolean} if we could turn it off or not\n         */\n\n\n        Stream.prototype.off = function off(type, listener) {\n          if (!this.listeners[type]) {\n            return false;\n          }\n\n          var index = this.listeners[type].indexOf(listener);\n          this.listeners[type].splice(index, 1);\n          return index > -1;\n        };\n        /**\n         * Trigger an event of the specified type on this stream. Any additional\n         * arguments to this function are passed as parameters to event listeners.\n         *\n         * @param {String} type the event name\n         */\n\n\n        Stream.prototype.trigger = function trigger(type) {\n          var callbacks = this.listeners[type];\n\n          if (!callbacks) {\n            return;\n          } // Slicing the arguments on every invocation of this method\n          // can add a significant amount of overhead. Avoid the\n          // intermediate object creation for the common case of a\n          // single callback argument\n\n\n          if (arguments.length === 2) {\n            var length = callbacks.length;\n\n            for (var i = 0; i < length; ++i) {\n              callbacks[i].call(this, arguments[1]);\n            }\n          } else {\n            var args = Array.prototype.slice.call(arguments, 1);\n            var _length = callbacks.length;\n\n            for (var _i = 0; _i < _length; ++_i) {\n              callbacks[_i].apply(this, args);\n            }\n          }\n        };\n        /**\n         * Destroys the stream and cleans up.\n         */\n\n\n        Stream.prototype.dispose = function dispose() {\n          this.listeners = {};\n        };\n        /**\n         * Forwards all `data` events on this stream to the destination stream. The\n         * destination stream should provide a method `push` to receive the data\n         * events as they arrive.\n         *\n         * @param {Stream} destination the stream that will receive all `data` events\n         * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n         */\n\n\n        Stream.prototype.pipe = function pipe(destination) {\n          this.on('data', function (data) {\n            destination.push(data);\n          });\n        };\n\n        return Stream;\n      }();\n      /**\n       * @file async-stream.js\n       */\n\n      /**\n       * A wrapper around the Stream class to use setTiemout\n       * and run stream \"jobs\" Asynchronously\n       *\n       * @class AsyncStream\n       * @extends Stream\n       */\n\n\n      var AsyncStream$$1 = function (_Stream) {\n        inherits(AsyncStream$$1, _Stream);\n\n        function AsyncStream$$1() {\n          classCallCheck(this, AsyncStream$$1);\n\n          var _this = possibleConstructorReturn(this, _Stream.call(this, Stream));\n\n          _this.jobs = [];\n          _this.delay = 1;\n          _this.timeout_ = null;\n          return _this;\n        }\n        /**\n         * process an async job\n         *\n         * @private\n         */\n\n\n        AsyncStream$$1.prototype.processJob_ = function processJob_() {\n          this.jobs.shift()();\n\n          if (this.jobs.length) {\n            this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n          } else {\n            this.timeout_ = null;\n          }\n        };\n        /**\n         * push a job into the stream\n         *\n         * @param {Function} job the job to push into the stream\n         */\n\n\n        AsyncStream$$1.prototype.push = function push(job) {\n          this.jobs.push(job);\n\n          if (!this.timeout_) {\n            this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n          }\n        };\n\n        return AsyncStream$$1;\n      }(Stream);\n      /**\n       * @file decrypter.js\n       *\n       * An asynchronous implementation of AES-128 CBC decryption with\n       * PKCS#7 padding.\n       */\n\n      /**\n       * Convert network-order (big-endian) bytes into their little-endian\n       * representation.\n       */\n\n\n      var ntoh = function ntoh(word) {\n        return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;\n      };\n      /**\n       * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n       *\n       * @param {Uint8Array} encrypted the encrypted bytes\n       * @param {Uint32Array} key the bytes of the decryption key\n       * @param {Uint32Array} initVector the initialization vector (IV) to\n       * use for the first round of CBC.\n       * @return {Uint8Array} the decrypted bytes\n       *\n       * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n       * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n       * @see https://tools.ietf.org/html/rfc2315\n       */\n\n\n      var decrypt$$1 = function decrypt$$1(encrypted, key, initVector) {\n        // word-level access to the encrypted bytes\n        var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);\n        var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output\n\n        var decrypted = new Uint8Array(encrypted.byteLength);\n        var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and\n        // decrypted data\n\n        var init0 = void 0;\n        var init1 = void 0;\n        var init2 = void 0;\n        var init3 = void 0;\n        var encrypted0 = void 0;\n        var encrypted1 = void 0;\n        var encrypted2 = void 0;\n        var encrypted3 = void 0; // iteration variable\n\n        var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the\n        // passed-in reference and easier access\n\n        init0 = initVector[0];\n        init1 = initVector[1];\n        init2 = initVector[2];\n        init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)\n        // to each decrypted block\n\n        for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n          // convert big-endian (network order) words into little-endian\n          // (javascript order)\n          encrypted0 = ntoh(encrypted32[wordIx]);\n          encrypted1 = ntoh(encrypted32[wordIx + 1]);\n          encrypted2 = ntoh(encrypted32[wordIx + 2]);\n          encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block\n\n          decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the\n          // plaintext\n\n          decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);\n          decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);\n          decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);\n          decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round\n\n          init0 = encrypted0;\n          init1 = encrypted1;\n          init2 = encrypted2;\n          init3 = encrypted3;\n        }\n\n        return decrypted;\n      };\n      /**\n       * The `Decrypter` class that manages decryption of AES\n       * data through `AsyncStream` objects and the `decrypt`\n       * function\n       *\n       * @param {Uint8Array} encrypted the encrypted bytes\n       * @param {Uint32Array} key the bytes of the decryption key\n       * @param {Uint32Array} initVector the initialization vector (IV) to\n       * @param {Function} done the function to run when done\n       * @class Decrypter\n       */\n\n\n      var Decrypter$$1 = function () {\n        function Decrypter$$1(encrypted, key, initVector, done) {\n          classCallCheck(this, Decrypter$$1);\n          var step = Decrypter$$1.STEP;\n          var encrypted32 = new Int32Array(encrypted.buffer);\n          var decrypted = new Uint8Array(encrypted.byteLength);\n          var i = 0;\n          this.asyncStream_ = new AsyncStream$$1(); // split up the encryption job and do the individual chunks asynchronously\n\n          this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n\n          for (i = step; i < encrypted32.length; i += step) {\n            initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);\n            this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n          } // invoke the done() callback when everything is finished\n\n\n          this.asyncStream_.push(function () {\n            // remove pkcs#7 padding from the decrypted bytes\n            done(null, unpad(decrypted));\n          });\n        }\n        /**\n         * a getter for step the maximum number of bytes to process at one time\n         *\n         * @return {Number} the value of step 32000\n         */\n\n        /**\n         * @private\n         */\n\n\n        Decrypter$$1.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {\n          return function () {\n            var bytes = decrypt$$1(encrypted, key, initVector);\n            decrypted.set(bytes, encrypted.byteOffset);\n          };\n        };\n\n        createClass(Decrypter$$1, null, [{\n          key: 'STEP',\n          get: function get$$1() {\n            // 4 * 8000;\n            return 32000;\n          }\n        }]);\n        return Decrypter$$1;\n      }();\n      /**\n       * @file bin-utils.js\n       */\n\n      /**\n       * Creates an object for sending to a web worker modifying properties that are TypedArrays\n       * into a new object with seperated properties for the buffer, byteOffset, and byteLength.\n       *\n       * @param {Object} message\n       *        Object of properties and values to send to the web worker\n       * @return {Object}\n       *         Modified message with TypedArray values expanded\n       * @function createTransferableMessage\n       */\n\n\n      var createTransferableMessage = function createTransferableMessage(message) {\n        var transferable = {};\n        Object.keys(message).forEach(function (key) {\n          var value = message[key];\n\n          if (ArrayBuffer.isView(value)) {\n            transferable[key] = {\n              bytes: value.buffer,\n              byteOffset: value.byteOffset,\n              byteLength: value.byteLength\n            };\n          } else {\n            transferable[key] = value;\n          }\n        });\n        return transferable;\n      };\n      /**\n       * Our web worker interface so that things can talk to aes-decrypter\n       * that will be running in a web worker. the scope is passed to this by\n       * webworkify.\n       *\n       * @param {Object} self\n       *        the scope for the web worker\n       */\n\n\n      var DecrypterWorker = function DecrypterWorker(self) {\n        self.onmessage = function (event) {\n          var data = event.data;\n          var encrypted = new Uint8Array(data.encrypted.bytes, data.encrypted.byteOffset, data.encrypted.byteLength);\n          var key = new Uint32Array(data.key.bytes, data.key.byteOffset, data.key.byteLength / 4);\n          var iv = new Uint32Array(data.iv.bytes, data.iv.byteOffset, data.iv.byteLength / 4);\n          /* eslint-disable no-new, handle-callback-err */\n\n          new Decrypter$$1(encrypted, key, iv, function (err, bytes) {\n            self.postMessage(createTransferableMessage({\n              source: data.source,\n              decrypted: bytes\n            }), [bytes.buffer]);\n          });\n          /* eslint-enable */\n        };\n      };\n\n      var decrypterWorker = new DecrypterWorker(self);\n      return decrypterWorker;\n    }();\n  });\n  /**\n   * Convert the properties of an HLS track into an audioTrackKind.\n   *\n   * @private\n   */\n\n  var audioTrackKind_ = function audioTrackKind_(properties) {\n    var kind = properties[\"default\"] ? 'main' : 'alternative';\n\n    if (properties.characteristics && properties.characteristics.indexOf('public.accessibility.describes-video') >= 0) {\n      kind = 'main-desc';\n    }\n\n    return kind;\n  };\n  /**\n   * Pause provided segment loader and playlist loader if active\n   *\n   * @param {SegmentLoader} segmentLoader\n   *        SegmentLoader to pause\n   * @param {Object} mediaType\n   *        Active media type\n   * @function stopLoaders\n   */\n\n\n  var stopLoaders = function stopLoaders(segmentLoader, mediaType) {\n    segmentLoader.abort();\n    segmentLoader.pause();\n\n    if (mediaType && mediaType.activePlaylistLoader) {\n      mediaType.activePlaylistLoader.pause();\n      mediaType.activePlaylistLoader = null;\n    }\n  };\n  /**\n   * Start loading provided segment loader and playlist loader\n   *\n   * @param {PlaylistLoader} playlistLoader\n   *        PlaylistLoader to start loading\n   * @param {Object} mediaType\n   *        Active media type\n   * @function startLoaders\n   */\n\n\n  var startLoaders = function startLoaders(playlistLoader, mediaType) {\n    // Segment loader will be started after `loadedmetadata` or `loadedplaylist` from the\n    // playlist loader\n    mediaType.activePlaylistLoader = playlistLoader;\n    playlistLoader.load();\n  };\n  /**\n   * Returns a function to be called when the media group changes. It performs a\n   * non-destructive (preserve the buffer) resync of the SegmentLoader. This is because a\n   * change of group is merely a rendition switch of the same content at another encoding,\n   * rather than a change of content, such as switching audio from English to Spanish.\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Handler for a non-destructive resync of SegmentLoader when the active media\n   *         group changes.\n   * @function onGroupChanged\n   */\n\n\n  var onGroupChanged = function onGroupChanged(type, settings) {\n    return function () {\n      var _settings$segmentLoad = settings.segmentLoaders,\n          segmentLoader = _settings$segmentLoad[type],\n          mainSegmentLoader = _settings$segmentLoad.main,\n          mediaType = settings.mediaTypes[type];\n      var activeTrack = mediaType.activeTrack();\n      var activeGroup = mediaType.activeGroup(activeTrack);\n      var previousActiveLoader = mediaType.activePlaylistLoader;\n      stopLoaders(segmentLoader, mediaType);\n\n      if (!activeGroup) {\n        // there is no group active\n        return;\n      }\n\n      if (!activeGroup.playlistLoader) {\n        if (previousActiveLoader) {\n          // The previous group had a playlist loader but the new active group does not\n          // this means we are switching from demuxed to muxed audio. In this case we want to\n          // do a destructive reset of the main segment loader and not restart the audio\n          // loaders.\n          mainSegmentLoader.resetEverything();\n        }\n\n        return;\n      } // Non-destructive resync\n\n\n      segmentLoader.resyncLoader();\n      startLoaders(activeGroup.playlistLoader, mediaType);\n    };\n  };\n  /**\n   * Returns a function to be called when the media track changes. It performs a\n   * destructive reset of the SegmentLoader to ensure we start loading as close to\n   * currentTime as possible.\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Handler for a destructive reset of SegmentLoader when the active media\n   *         track changes.\n   * @function onTrackChanged\n   */\n\n\n  var onTrackChanged = function onTrackChanged(type, settings) {\n    return function () {\n      var _settings$segmentLoad2 = settings.segmentLoaders,\n          segmentLoader = _settings$segmentLoad2[type],\n          mainSegmentLoader = _settings$segmentLoad2.main,\n          mediaType = settings.mediaTypes[type];\n      var activeTrack = mediaType.activeTrack();\n      var activeGroup = mediaType.activeGroup(activeTrack);\n      var previousActiveLoader = mediaType.activePlaylistLoader;\n      stopLoaders(segmentLoader, mediaType);\n\n      if (!activeGroup) {\n        // there is no group active so we do not want to restart loaders\n        return;\n      }\n\n      if (!activeGroup.playlistLoader) {\n        // when switching from demuxed audio/video to muxed audio/video (noted by no playlist\n        // loader for the audio group), we want to do a destructive reset of the main segment\n        // loader and not restart the audio loaders\n        mainSegmentLoader.resetEverything();\n        return;\n      }\n\n      if (previousActiveLoader === activeGroup.playlistLoader) {\n        // Nothing has actually changed. This can happen because track change events can fire\n        // multiple times for a \"single\" change. One for enabling the new active track, and\n        // one for disabling the track that was active\n        startLoaders(activeGroup.playlistLoader, mediaType);\n        return;\n      }\n\n      if (segmentLoader.track) {\n        // For WebVTT, set the new text track in the segmentloader\n        segmentLoader.track(activeTrack);\n      } // destructive reset\n\n\n      segmentLoader.resetEverything();\n      startLoaders(activeGroup.playlistLoader, mediaType);\n    };\n  };\n\n  var onError = {\n    /**\n     * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters\n     * an error.\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Error handler. Logs warning (or error if the playlist is blacklisted) to\n     *         console and switches back to default audio track.\n     * @function onError.AUDIO\n     */\n    AUDIO: function AUDIO(type, settings) {\n      return function () {\n        var segmentLoader = settings.segmentLoaders[type],\n            mediaType = settings.mediaTypes[type],\n            blacklistCurrentPlaylist = settings.blacklistCurrentPlaylist;\n        stopLoaders(segmentLoader, mediaType); // switch back to default audio track\n\n        var activeTrack = mediaType.activeTrack();\n        var activeGroup = mediaType.activeGroup();\n        var id = (activeGroup.filter(function (group) {\n          return group[\"default\"];\n        })[0] || activeGroup[0]).id;\n        var defaultTrack = mediaType.tracks[id];\n\n        if (activeTrack === defaultTrack) {\n          // Default track encountered an error. All we can do now is blacklist the current\n          // rendition and hope another will switch audio groups\n          blacklistCurrentPlaylist({\n            message: 'Problem encountered loading the default audio track.'\n          });\n          return;\n        }\n\n        videojs$1.log.warn('Problem encountered loading the alternate audio track.' + 'Switching back to default.');\n\n        for (var trackId in mediaType.tracks) {\n          mediaType.tracks[trackId].enabled = mediaType.tracks[trackId] === defaultTrack;\n        }\n\n        mediaType.onTrackChanged();\n      };\n    },\n\n    /**\n     * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters\n     * an error.\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Error handler. Logs warning to console and disables the active subtitle track\n     * @function onError.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, settings) {\n      return function () {\n        var segmentLoader = settings.segmentLoaders[type],\n            mediaType = settings.mediaTypes[type];\n        videojs$1.log.warn('Problem encountered loading the subtitle track.' + 'Disabling subtitle track.');\n        stopLoaders(segmentLoader, mediaType);\n        var track = mediaType.activeTrack();\n\n        if (track) {\n          track.mode = 'disabled';\n        }\n\n        mediaType.onTrackChanged();\n      };\n    }\n  };\n  var setupListeners = {\n    /**\n     * Setup event listeners for audio playlist loader\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {PlaylistLoader|null} playlistLoader\n     *        PlaylistLoader to register listeners on\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function setupListeners.AUDIO\n     */\n    AUDIO: function AUDIO(type, playlistLoader, settings) {\n      if (!playlistLoader) {\n        // no playlist loader means audio will be muxed with the video\n        return;\n      }\n\n      var tech = settings.tech,\n          requestOptions = settings.requestOptions,\n          segmentLoader = settings.segmentLoaders[type];\n      playlistLoader.on('loadedmetadata', function () {\n        var media = playlistLoader.media();\n        segmentLoader.playlist(media, requestOptions); // if the video is already playing, or if this isn't a live video and preload\n        // permits, start downloading segments\n\n        if (!tech.paused() || media.endList && tech.preload() !== 'none') {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('loadedplaylist', function () {\n        segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running\n\n        if (!tech.paused()) {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup event listeners for subtitle playlist loader\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {PlaylistLoader|null} playlistLoader\n     *        PlaylistLoader to register listeners on\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function setupListeners.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, playlistLoader, settings) {\n      var tech = settings.tech,\n          requestOptions = settings.requestOptions,\n          segmentLoader = settings.segmentLoaders[type],\n          mediaType = settings.mediaTypes[type];\n      playlistLoader.on('loadedmetadata', function () {\n        var media = playlistLoader.media();\n        segmentLoader.playlist(media, requestOptions);\n        segmentLoader.track(mediaType.activeTrack()); // if the video is already playing, or if this isn't a live video and preload\n        // permits, start downloading segments\n\n        if (!tech.paused() || media.endList && tech.preload() !== 'none') {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('loadedplaylist', function () {\n        segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running\n\n        if (!tech.paused()) {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('error', onError[type](type, settings));\n    }\n  };\n  var initialize = {\n    /**\n     * Setup PlaylistLoaders and AudioTracks for the audio groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize.AUDIO\n     */\n    'AUDIO': function AUDIO(type, settings) {\n      var hls = settings.hls,\n          sourceType = settings.sourceType,\n          segmentLoader = settings.segmentLoaders[type],\n          requestOptions = settings.requestOptions,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$ = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$.groups,\n          tracks = _settings$mediaTypes$.tracks,\n          masterPlaylistLoader = settings.masterPlaylistLoader; // force a default if we have none\n\n      if (!mediaGroups[type] || Object.keys(mediaGroups[type]).length === 0) {\n        mediaGroups[type] = {\n          main: {\n            \"default\": {\n              \"default\": true\n            }\n          }\n        };\n      }\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        } // List of playlists that have an AUDIO attribute value matching the current\n        // group ID\n\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          var properties = mediaGroups[type][groupId][variantLabel];\n          var playlistLoader = void 0;\n\n          if (properties.resolvedUri) {\n            playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);\n          } else if (properties.playlists && sourceType === 'dash') {\n            playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);\n          } else {\n            // no resolvedUri means the audio is muxed with the video when using this\n            // audio track\n            playlistLoader = null;\n          }\n\n          properties = videojs$1.mergeOptions({\n            id: variantLabel,\n            playlistLoader: playlistLoader\n          }, properties);\n          setupListeners[type](type, properties.playlistLoader, settings);\n          groups[groupId].push(properties);\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = new videojs$1.AudioTrack({\n              id: variantLabel,\n              kind: audioTrackKind_(properties),\n              enabled: false,\n              language: properties.language,\n              \"default\": properties[\"default\"],\n              label: variantLabel\n            });\n            tracks[variantLabel] = track;\n          }\n        }\n      } // setup single error event handler for the segment loader\n\n\n      segmentLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup PlaylistLoaders and TextTracks for the subtitle groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize.SUBTITLES\n     */\n    'SUBTITLES': function SUBTITLES(type, settings) {\n      var tech = settings.tech,\n          hls = settings.hls,\n          sourceType = settings.sourceType,\n          segmentLoader = settings.segmentLoaders[type],\n          requestOptions = settings.requestOptions,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$2 = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$2.groups,\n          tracks = _settings$mediaTypes$2.tracks,\n          masterPlaylistLoader = settings.masterPlaylistLoader;\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        }\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          if (mediaGroups[type][groupId][variantLabel].forced) {\n            // Subtitle playlists with the forced attribute are not selectable in Safari.\n            // According to Apple's HLS Authoring Specification:\n            //   If content has forced subtitles and regular subtitles in a given language,\n            //   the regular subtitles track in that language MUST contain both the forced\n            //   subtitles and the regular subtitles for that language.\n            // Because of this requirement and that Safari does not add forced subtitles,\n            // forced subtitles are skipped here to maintain consistent experience across\n            // all platforms\n            continue;\n          }\n\n          var properties = mediaGroups[type][groupId][variantLabel];\n          var playlistLoader = void 0;\n\n          if (sourceType === 'hls') {\n            playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);\n          } else if (sourceType === 'dash') {\n            playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);\n          }\n\n          properties = videojs$1.mergeOptions({\n            id: variantLabel,\n            playlistLoader: playlistLoader\n          }, properties);\n          setupListeners[type](type, properties.playlistLoader, settings);\n          groups[groupId].push(properties);\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = tech.addRemoteTextTrack({\n              id: variantLabel,\n              kind: 'subtitles',\n              \"default\": properties[\"default\"] && properties.autoselect,\n              language: properties.language,\n              label: variantLabel\n            }, false).track;\n            tracks[variantLabel] = track;\n          }\n        }\n      } // setup single error event handler for the segment loader\n\n\n      segmentLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup TextTracks for the closed-caption groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize['CLOSED-CAPTIONS']\n     */\n    'CLOSED-CAPTIONS': function CLOSEDCAPTIONS(type, settings) {\n      var tech = settings.tech,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$3 = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$3.groups,\n          tracks = _settings$mediaTypes$3.tracks;\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        }\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          var properties = mediaGroups[type][groupId][variantLabel]; // We only support CEA608 captions for now, so ignore anything that\n          // doesn't use a CCx INSTREAM-ID\n\n          if (!properties.instreamId.match(/CC\\d/)) {\n            continue;\n          } // No PlaylistLoader is required for Closed-Captions because the captions are\n          // embedded within the video stream\n\n\n          groups[groupId].push(videojs$1.mergeOptions({\n            id: variantLabel\n          }, properties));\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = tech.addRemoteTextTrack({\n              id: properties.instreamId,\n              kind: 'captions',\n              \"default\": properties[\"default\"] && properties.autoselect,\n              language: properties.language,\n              label: variantLabel\n            }, false).track;\n            tracks[variantLabel] = track;\n          }\n        }\n      }\n    }\n  };\n  /**\n   * Returns a function used to get the active group of the provided type\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Function that returns the active media group for the provided type. Takes an\n   *         optional parameter {TextTrack} track. If no track is provided, a list of all\n   *         variants in the group, otherwise the variant corresponding to the provided\n   *         track is returned.\n   * @function activeGroup\n   */\n\n  var activeGroup = function activeGroup(type, settings) {\n    return function (track) {\n      var masterPlaylistLoader = settings.masterPlaylistLoader,\n          groups = settings.mediaTypes[type].groups;\n      var media = masterPlaylistLoader.media();\n\n      if (!media) {\n        return null;\n      }\n\n      var variants = null;\n\n      if (media.attributes[type]) {\n        variants = groups[media.attributes[type]];\n      }\n\n      variants = variants || groups.main;\n\n      if (typeof track === 'undefined') {\n        return variants;\n      }\n\n      if (track === null) {\n        // An active track was specified so a corresponding group is expected. track === null\n        // means no track is currently active so there is no corresponding group\n        return null;\n      }\n\n      return variants.filter(function (props) {\n        return props.id === track.id;\n      })[0] || null;\n    };\n  };\n\n  var activeTrack = {\n    /**\n     * Returns a function used to get the active track of type provided\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Function that returns the active media track for the provided type. Returns\n     *         null if no track is active\n     * @function activeTrack.AUDIO\n     */\n    AUDIO: function AUDIO(type, settings) {\n      return function () {\n        var tracks = settings.mediaTypes[type].tracks;\n\n        for (var id in tracks) {\n          if (tracks[id].enabled) {\n            return tracks[id];\n          }\n        }\n\n        return null;\n      };\n    },\n\n    /**\n     * Returns a function used to get the active track of type provided\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Function that returns the active media track for the provided type. Returns\n     *         null if no track is active\n     * @function activeTrack.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, settings) {\n      return function () {\n        var tracks = settings.mediaTypes[type].tracks;\n\n        for (var id in tracks) {\n          if (tracks[id].mode === 'showing' || tracks[id].mode === 'hidden') {\n            return tracks[id];\n          }\n        }\n\n        return null;\n      };\n    }\n  };\n  /**\n   * Setup PlaylistLoaders and Tracks for media groups (Audio, Subtitles,\n   * Closed-Captions) specified in the master manifest.\n   *\n   * @param {Object} settings\n   *        Object containing required information for setting up the media groups\n   * @param {SegmentLoader} settings.segmentLoaders.AUDIO\n   *        Audio segment loader\n   * @param {SegmentLoader} settings.segmentLoaders.SUBTITLES\n   *        Subtitle segment loader\n   * @param {SegmentLoader} settings.segmentLoaders.main\n   *        Main segment loader\n   * @param {Tech} settings.tech\n   *        The tech of the player\n   * @param {Object} settings.requestOptions\n   *        XHR request options used by the segment loaders\n   * @param {PlaylistLoader} settings.masterPlaylistLoader\n   *        PlaylistLoader for the master source\n   * @param {HlsHandler} settings.hls\n   *        HLS SourceHandler\n   * @param {Object} settings.master\n   *        The parsed master manifest\n   * @param {Object} settings.mediaTypes\n   *        Object to store the loaders, tracks, and utility methods for each media type\n   * @param {Function} settings.blacklistCurrentPlaylist\n   *        Blacklists the current rendition and forces a rendition switch.\n   * @function setupMediaGroups\n   */\n\n  var setupMediaGroups = function setupMediaGroups(settings) {\n    ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {\n      initialize[type](type, settings);\n    });\n    var mediaTypes = settings.mediaTypes,\n        masterPlaylistLoader = settings.masterPlaylistLoader,\n        tech = settings.tech,\n        hls = settings.hls; // setup active group and track getters and change event handlers\n\n    ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n      mediaTypes[type].activeGroup = activeGroup(type, settings);\n      mediaTypes[type].activeTrack = activeTrack[type](type, settings);\n      mediaTypes[type].onGroupChanged = onGroupChanged(type, settings);\n      mediaTypes[type].onTrackChanged = onTrackChanged(type, settings);\n    }); // DO NOT enable the default subtitle or caption track.\n    // DO enable the default audio track\n\n    var audioGroup = mediaTypes.AUDIO.activeGroup();\n    var groupId = (audioGroup.filter(function (group) {\n      return group[\"default\"];\n    })[0] || audioGroup[0]).id;\n    mediaTypes.AUDIO.tracks[groupId].enabled = true;\n    mediaTypes.AUDIO.onTrackChanged();\n    masterPlaylistLoader.on('mediachange', function () {\n      ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n        return mediaTypes[type].onGroupChanged();\n      });\n    }); // custom audio track change event handler for usage event\n\n    var onAudioTrackChanged = function onAudioTrackChanged() {\n      mediaTypes.AUDIO.onTrackChanged();\n      tech.trigger({\n        type: 'usage',\n        name: 'hls-audio-change'\n      });\n    };\n\n    tech.audioTracks().addEventListener('change', onAudioTrackChanged);\n    tech.remoteTextTracks().addEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);\n    hls.on('dispose', function () {\n      tech.audioTracks().removeEventListener('change', onAudioTrackChanged);\n      tech.remoteTextTracks().removeEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);\n    }); // clear existing audio tracks and add the ones we just created\n\n    tech.clearTracks('audio');\n\n    for (var id in mediaTypes.AUDIO.tracks) {\n      tech.audioTracks().addTrack(mediaTypes.AUDIO.tracks[id]);\n    }\n  };\n  /**\n   * Creates skeleton object used to store the loaders, tracks, and utility methods for each\n   * media type\n   *\n   * @return {Object}\n   *         Object to store the loaders, tracks, and utility methods for each media type\n   * @function createMediaTypes\n   */\n\n\n  var createMediaTypes = function createMediaTypes() {\n    var mediaTypes = {};\n    ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {\n      mediaTypes[type] = {\n        groups: {},\n        tracks: {},\n        activePlaylistLoader: null,\n        activeGroup: noop$1,\n        activeTrack: noop$1,\n        onGroupChanged: noop$1,\n        onTrackChanged: noop$1\n      };\n    });\n    return mediaTypes;\n  };\n  /**\n   * @file master-playlist-controller.js\n   */\n\n\n  var ABORT_EARLY_BLACKLIST_SECONDS = 60 * 2;\n  var Hls = void 0; // SegmentLoader stats that need to have each loader's\n  // values summed to calculate the final value\n\n  var loaderStats = ['mediaRequests', 'mediaRequestsAborted', 'mediaRequestsTimedout', 'mediaRequestsErrored', 'mediaTransferDuration', 'mediaBytesTransferred'];\n\n  var sumLoaderStat = function sumLoaderStat(stat) {\n    return this.audioSegmentLoader_[stat] + this.mainSegmentLoader_[stat];\n  };\n  /**\n   * the master playlist controller controller all interactons\n   * between playlists and segmentloaders. At this time this mainly\n   * involves a master playlist and a series of audio playlists\n   * if they are available\n   *\n   * @class MasterPlaylistController\n   * @extends videojs.EventTarget\n   */\n\n\n  var MasterPlaylistController = function (_videojs$EventTarget) {\n    inherits$2(MasterPlaylistController, _videojs$EventTarget);\n\n    function MasterPlaylistController(options) {\n      classCallCheck$1(this, MasterPlaylistController);\n\n      var _this = possibleConstructorReturn$1(this, (MasterPlaylistController.__proto__ || Object.getPrototypeOf(MasterPlaylistController)).call(this));\n\n      var url = options.url,\n          handleManifestRedirects = options.handleManifestRedirects,\n          withCredentials = options.withCredentials,\n          tech = options.tech,\n          bandwidth = options.bandwidth,\n          externHls = options.externHls,\n          useCueTags = options.useCueTags,\n          blacklistDuration = options.blacklistDuration,\n          enableLowInitialPlaylist = options.enableLowInitialPlaylist,\n          sourceType = options.sourceType,\n          seekTo = options.seekTo,\n          cacheEncryptionKeys = options.cacheEncryptionKeys;\n\n      if (!url) {\n        throw new Error('A non-empty playlist URL is required');\n      }\n\n      Hls = externHls;\n      _this.withCredentials = withCredentials;\n      _this.tech_ = tech;\n      _this.hls_ = tech.hls;\n      _this.seekTo_ = seekTo;\n      _this.sourceType_ = sourceType;\n      _this.useCueTags_ = useCueTags;\n      _this.blacklistDuration = blacklistDuration;\n      _this.enableLowInitialPlaylist = enableLowInitialPlaylist;\n\n      if (_this.useCueTags_) {\n        _this.cueTagsTrack_ = _this.tech_.addTextTrack('metadata', 'ad-cues');\n        _this.cueTagsTrack_.inBandMetadataTrackDispatchType = '';\n      }\n\n      _this.requestOptions_ = {\n        withCredentials: withCredentials,\n        handleManifestRedirects: handleManifestRedirects,\n        timeout: null\n      };\n      _this.mediaTypes_ = createMediaTypes();\n      _this.mediaSource = new videojs$1.MediaSource(); // load the media source into the player\n\n      _this.mediaSource.addEventListener('sourceopen', _this.handleSourceOpen_.bind(_this));\n\n      _this.seekable_ = videojs$1.createTimeRanges();\n      _this.hasPlayed_ = false;\n      _this.syncController_ = new SyncController(options);\n      _this.segmentMetadataTrack_ = tech.addRemoteTextTrack({\n        kind: 'metadata',\n        label: 'segment-metadata'\n      }, false).track;\n      _this.decrypter_ = new Decrypter$1();\n      _this.inbandTextTracks_ = {};\n      var segmentLoaderSettings = {\n        hls: _this.hls_,\n        mediaSource: _this.mediaSource,\n        currentTime: _this.tech_.currentTime.bind(_this.tech_),\n        seekable: function seekable$$1() {\n          return _this.seekable();\n        },\n        seeking: function seeking() {\n          return _this.tech_.seeking();\n        },\n        duration: function duration$$1() {\n          return _this.mediaSource.duration;\n        },\n        hasPlayed: function hasPlayed() {\n          return _this.hasPlayed_;\n        },\n        goalBufferLength: function goalBufferLength() {\n          return _this.goalBufferLength();\n        },\n        bandwidth: bandwidth,\n        syncController: _this.syncController_,\n        decrypter: _this.decrypter_,\n        sourceType: _this.sourceType_,\n        inbandTextTracks: _this.inbandTextTracks_,\n        cacheEncryptionKeys: cacheEncryptionKeys\n      };\n      _this.masterPlaylistLoader_ = _this.sourceType_ === 'dash' ? new DashPlaylistLoader(url, _this.hls_, _this.requestOptions_) : new PlaylistLoader(url, _this.hls_, _this.requestOptions_);\n\n      _this.setupMasterPlaylistLoaderListeners_(); // setup segment loaders\n      // combined audio/video or just video when alternate audio track is selected\n\n\n      _this.mainSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        segmentMetadataTrack: _this.segmentMetadataTrack_,\n        loaderType: 'main'\n      }), options); // alternate audio track\n\n      _this.audioSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        loaderType: 'audio'\n      }), options);\n      _this.subtitleSegmentLoader_ = new VTTSegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        loaderType: 'vtt',\n        featuresNativeTextTracks: _this.tech_.featuresNativeTextTracks\n      }), options);\n\n      _this.setupSegmentLoaderListeners_(); // Create SegmentLoader stat-getters\n\n\n      loaderStats.forEach(function (stat) {\n        _this[stat + '_'] = sumLoaderStat.bind(_this, stat);\n      });\n      _this.logger_ = logger('MPC');\n\n      _this.masterPlaylistLoader_.load();\n\n      return _this;\n    }\n    /**\n     * Register event handlers on the master playlist loader. A helper\n     * function for construction time.\n     *\n     * @private\n     */\n\n\n    createClass$1(MasterPlaylistController, [{\n      key: 'setupMasterPlaylistLoaderListeners_',\n      value: function setupMasterPlaylistLoaderListeners_() {\n        var _this2 = this;\n\n        this.masterPlaylistLoader_.on('loadedmetadata', function () {\n          var media = _this2.masterPlaylistLoader_.media();\n\n          var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to\n          // timeout the request.\n\n          if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {\n            _this2.requestOptions_.timeout = 0;\n          } else {\n            _this2.requestOptions_.timeout = requestTimeout;\n          } // if this isn't a live video and preload permits, start\n          // downloading segments\n\n\n          if (media.endList && _this2.tech_.preload() !== 'none') {\n            _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);\n\n            _this2.mainSegmentLoader_.load();\n          }\n\n          setupMediaGroups({\n            sourceType: _this2.sourceType_,\n            segmentLoaders: {\n              AUDIO: _this2.audioSegmentLoader_,\n              SUBTITLES: _this2.subtitleSegmentLoader_,\n              main: _this2.mainSegmentLoader_\n            },\n            tech: _this2.tech_,\n            requestOptions: _this2.requestOptions_,\n            masterPlaylistLoader: _this2.masterPlaylistLoader_,\n            hls: _this2.hls_,\n            master: _this2.master(),\n            mediaTypes: _this2.mediaTypes_,\n            blacklistCurrentPlaylist: _this2.blacklistCurrentPlaylist.bind(_this2)\n          });\n\n          _this2.triggerPresenceUsage_(_this2.master(), media);\n\n          try {\n            _this2.setupSourceBuffers_();\n          } catch (e) {\n            videojs$1.log.warn('Failed to create SourceBuffers', e);\n            return _this2.mediaSource.endOfStream('decode');\n          }\n\n          _this2.setupFirstPlay();\n\n          if (!_this2.mediaTypes_.AUDIO.activePlaylistLoader || _this2.mediaTypes_.AUDIO.activePlaylistLoader.media()) {\n            _this2.trigger('selectedinitialmedia');\n          } else {\n            // We must wait for the active audio playlist loader to\n            // finish setting up before triggering this event so the\n            // representations API and EME setup is correct\n            _this2.mediaTypes_.AUDIO.activePlaylistLoader.one('loadedmetadata', function () {\n              _this2.trigger('selectedinitialmedia');\n            });\n          }\n        });\n        this.masterPlaylistLoader_.on('loadedplaylist', function () {\n          var updatedPlaylist = _this2.masterPlaylistLoader_.media();\n\n          if (!updatedPlaylist) {\n            // blacklist any variants that are not supported by the browser before selecting\n            // an initial media as the playlist selectors do not consider browser support\n            _this2.excludeUnsupportedVariants_();\n\n            var selectedMedia = void 0;\n\n            if (_this2.enableLowInitialPlaylist) {\n              selectedMedia = _this2.selectInitialPlaylist();\n            }\n\n            if (!selectedMedia) {\n              selectedMedia = _this2.selectPlaylist();\n            }\n\n            _this2.initialMedia_ = selectedMedia;\n\n            _this2.masterPlaylistLoader_.media(_this2.initialMedia_);\n\n            return;\n          }\n\n          if (_this2.useCueTags_) {\n            _this2.updateAdCues_(updatedPlaylist);\n          } // TODO: Create a new event on the PlaylistLoader that signals\n          // that the segments have changed in some way and use that to\n          // update the SegmentLoader instead of doing it twice here and\n          // on `mediachange`\n\n\n          _this2.mainSegmentLoader_.playlist(updatedPlaylist, _this2.requestOptions_);\n\n          _this2.updateDuration(); // If the player isn't paused, ensure that the segment loader is running,\n          // as it is possible that it was temporarily stopped while waiting for\n          // a playlist (e.g., in case the playlist errored and we re-requested it).\n\n\n          if (!_this2.tech_.paused()) {\n            _this2.mainSegmentLoader_.load();\n\n            if (_this2.audioSegmentLoader_) {\n              _this2.audioSegmentLoader_.load();\n            }\n          }\n\n          if (!updatedPlaylist.endList) {\n            var addSeekableRange = function addSeekableRange() {\n              var seekable$$1 = _this2.seekable();\n\n              if (seekable$$1.length !== 0) {\n                _this2.mediaSource.addSeekableRange_(seekable$$1.start(0), seekable$$1.end(0));\n              }\n            };\n\n            if (_this2.duration() !== Infinity) {\n              var onDurationchange = function onDurationchange() {\n                if (_this2.duration() === Infinity) {\n                  addSeekableRange();\n                } else {\n                  _this2.tech_.one('durationchange', onDurationchange);\n                }\n              };\n\n              _this2.tech_.one('durationchange', onDurationchange);\n            } else {\n              addSeekableRange();\n            }\n          }\n        });\n        this.masterPlaylistLoader_.on('error', function () {\n          _this2.blacklistCurrentPlaylist(_this2.masterPlaylistLoader_.error);\n        });\n        this.masterPlaylistLoader_.on('mediachanging', function () {\n          _this2.mainSegmentLoader_.abort();\n\n          _this2.mainSegmentLoader_.pause();\n        });\n        this.masterPlaylistLoader_.on('mediachange', function () {\n          var media = _this2.masterPlaylistLoader_.media();\n\n          var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to\n          // timeout the request.\n\n          if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {\n            _this2.requestOptions_.timeout = 0;\n          } else {\n            _this2.requestOptions_.timeout = requestTimeout;\n          } // TODO: Create a new event on the PlaylistLoader that signals\n          // that the segments have changed in some way and use that to\n          // update the SegmentLoader instead of doing it twice here and\n          // on `loadedplaylist`\n\n\n          _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);\n\n          _this2.mainSegmentLoader_.load();\n\n          _this2.tech_.trigger({\n            type: 'mediachange',\n            bubbles: true\n          });\n        });\n        this.masterPlaylistLoader_.on('playlistunchanged', function () {\n          var updatedPlaylist = _this2.masterPlaylistLoader_.media();\n\n          var playlistOutdated = _this2.stuckAtPlaylistEnd_(updatedPlaylist);\n\n          if (playlistOutdated) {\n            // Playlist has stopped updating and we're stuck at its end. Try to\n            // blacklist it and switch to another playlist in the hope that that\n            // one is updating (and give the player a chance to re-adjust to the\n            // safe live point).\n            _this2.blacklistCurrentPlaylist({\n              message: 'Playlist no longer updating.'\n            }); // useful for monitoring QoS\n\n\n            _this2.tech_.trigger('playliststuck');\n          }\n        });\n        this.masterPlaylistLoader_.on('renditiondisabled', function () {\n          _this2.tech_.trigger({\n            type: 'usage',\n            name: 'hls-rendition-disabled'\n          });\n        });\n        this.masterPlaylistLoader_.on('renditionenabled', function () {\n          _this2.tech_.trigger({\n            type: 'usage',\n            name: 'hls-rendition-enabled'\n          });\n        });\n      }\n      /**\n       * A helper function for triggerring presence usage events once per source\n       *\n       * @private\n       */\n\n    }, {\n      key: 'triggerPresenceUsage_',\n      value: function triggerPresenceUsage_(master, media) {\n        var mediaGroups = master.mediaGroups || {};\n        var defaultDemuxed = true;\n        var audioGroupKeys = Object.keys(mediaGroups.AUDIO);\n\n        for (var mediaGroup in mediaGroups.AUDIO) {\n          for (var label in mediaGroups.AUDIO[mediaGroup]) {\n            var properties = mediaGroups.AUDIO[mediaGroup][label];\n\n            if (!properties.uri) {\n              defaultDemuxed = false;\n            }\n          }\n        }\n\n        if (defaultDemuxed) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-demuxed'\n          });\n        }\n\n        if (Object.keys(mediaGroups.SUBTITLES).length) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-webvtt'\n          });\n        }\n\n        if (Hls.Playlist.isAes(media)) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-aes'\n          });\n        }\n\n        if (Hls.Playlist.isFmp4(media)) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-fmp4'\n          });\n        }\n\n        if (audioGroupKeys.length && Object.keys(mediaGroups.AUDIO[audioGroupKeys[0]]).length > 1) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-alternate-audio'\n          });\n        }\n\n        if (this.useCueTags_) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-playlist-cue-tags'\n          });\n        }\n      }\n      /**\n       * Register event handlers on the segment loaders. A helper function\n       * for construction time.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'setupSegmentLoaderListeners_',\n      value: function setupSegmentLoaderListeners_() {\n        var _this3 = this;\n\n        this.mainSegmentLoader_.on('bandwidthupdate', function () {\n          var nextPlaylist = _this3.selectPlaylist();\n\n          var currentPlaylist = _this3.masterPlaylistLoader_.media();\n\n          var buffered = _this3.tech_.buffered();\n\n          var forwardBuffer = buffered.length ? buffered.end(buffered.length - 1) - _this3.tech_.currentTime() : 0;\n\n          var bufferLowWaterLine = _this3.bufferLowWaterLine(); // If the playlist is live, then we want to not take low water line into account.\n          // This is because in LIVE, the player plays 3 segments from the end of the\n          // playlist, and if `BUFFER_LOW_WATER_LINE` is greater than the duration availble\n          // in those segments, a viewer will never experience a rendition upswitch.\n\n\n          if (!currentPlaylist.endList || // For the same reason as LIVE, we ignore the low water line when the VOD\n          // duration is below the max potential low water line\n          _this3.duration() < Config.MAX_BUFFER_LOW_WATER_LINE || // we want to switch down to lower resolutions quickly to continue playback, but\n          nextPlaylist.attributes.BANDWIDTH < currentPlaylist.attributes.BANDWIDTH || // ensure we have some buffer before we switch up to prevent us running out of\n          // buffer while loading a higher rendition.\n          forwardBuffer >= bufferLowWaterLine) {\n            _this3.masterPlaylistLoader_.media(nextPlaylist);\n          }\n\n          _this3.tech_.trigger('bandwidthupdate');\n        });\n        this.mainSegmentLoader_.on('progress', function () {\n          _this3.trigger('progress');\n        });\n        this.mainSegmentLoader_.on('error', function () {\n          _this3.blacklistCurrentPlaylist(_this3.mainSegmentLoader_.error());\n        });\n        this.mainSegmentLoader_.on('syncinfoupdate', function () {\n          _this3.onSyncInfoUpdate_();\n        });\n        this.mainSegmentLoader_.on('timestampoffset', function () {\n          _this3.tech_.trigger({\n            type: 'usage',\n            name: 'hls-timestamp-offset'\n          });\n        });\n        this.audioSegmentLoader_.on('syncinfoupdate', function () {\n          _this3.onSyncInfoUpdate_();\n        });\n        this.mainSegmentLoader_.on('ended', function () {\n          _this3.onEndOfStream();\n        });\n        this.mainSegmentLoader_.on('earlyabort', function () {\n          _this3.blacklistCurrentPlaylist({\n            message: 'Aborted early because there isn\\'t enough bandwidth to complete the ' + 'request without rebuffering.'\n          }, ABORT_EARLY_BLACKLIST_SECONDS);\n        });\n        this.mainSegmentLoader_.on('reseteverything', function () {\n          // If playing an MTS stream, a videojs.MediaSource is listening for\n          // hls-reset to reset caption parsing state in the transmuxer\n          _this3.tech_.trigger('hls-reset');\n        });\n        this.mainSegmentLoader_.on('segmenttimemapping', function (event) {\n          // If playing an MTS stream in html, a videojs.MediaSource is listening for\n          // hls-segment-time-mapping update its internal mapping of stream to display time\n          _this3.tech_.trigger({\n            type: 'hls-segment-time-mapping',\n            mapping: event.mapping\n          });\n        });\n        this.audioSegmentLoader_.on('ended', function () {\n          _this3.onEndOfStream();\n        });\n      }\n    }, {\n      key: 'mediaSecondsLoaded_',\n      value: function mediaSecondsLoaded_() {\n        return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded + this.mainSegmentLoader_.mediaSecondsLoaded);\n      }\n      /**\n       * Call load on our SegmentLoaders\n       */\n\n    }, {\n      key: 'load',\n      value: function load() {\n        this.mainSegmentLoader_.load();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.load();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.load();\n        }\n      }\n      /**\n       * Re-tune playback quality level for the current player\n       * conditions without performing destructive actions, like\n       * removing already buffered content\n       *\n       * @private\n       */\n\n    }, {\n      key: 'smoothQualityChange_',\n      value: function smoothQualityChange_() {\n        var media = this.selectPlaylist();\n\n        if (media !== this.masterPlaylistLoader_.media()) {\n          this.masterPlaylistLoader_.media(media);\n          this.mainSegmentLoader_.resetLoader(); // don't need to reset audio as it is reset when media changes\n        }\n      }\n      /**\n       * Re-tune playback quality level for the current player\n       * conditions. This method will perform destructive actions like removing\n       * already buffered content in order to readjust the currently active\n       * playlist quickly. This is good for manual quality changes\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fastQualityChange_',\n      value: function fastQualityChange_() {\n        var _this4 = this;\n\n        var media = this.selectPlaylist();\n\n        if (media === this.masterPlaylistLoader_.media()) {\n          return;\n        }\n\n        this.masterPlaylistLoader_.media(media); // Delete all buffered data to allow an immediate quality switch, then seek to give\n        // the browser a kick to remove any cached frames from the previous rendtion (.04 seconds\n        // ahead is roughly the minimum that will accomplish this across a variety of content\n        // in IE and Edge, but seeking in place is sufficient on all other browsers)\n        // Edge/IE bug: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/14600375/\n        // Chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=651904\n\n        this.mainSegmentLoader_.resetEverything(function () {\n          // Since this is not a typical seek, we avoid the seekTo method which can cause segments\n          // from the previously enabled rendition to load before the new playlist has finished loading\n          if (videojs$1.browser.IE_VERSION || videojs$1.browser.IS_EDGE) {\n            _this4.tech_.setCurrentTime(_this4.tech_.currentTime() + 0.04);\n          } else {\n            _this4.tech_.setCurrentTime(_this4.tech_.currentTime());\n          }\n        }); // don't need to reset audio as it is reset when media changes\n      }\n      /**\n       * Begin playback.\n       */\n\n    }, {\n      key: 'play',\n      value: function play() {\n        if (this.setupFirstPlay()) {\n          return;\n        }\n\n        if (this.tech_.ended()) {\n          this.seekTo_(0);\n        }\n\n        if (this.hasPlayed_) {\n          this.load();\n        }\n\n        var seekable$$1 = this.tech_.seekable(); // if the viewer has paused and we fell out of the live window,\n        // seek forward to the live point\n\n        if (this.tech_.duration() === Infinity) {\n          if (this.tech_.currentTime() < seekable$$1.start(0)) {\n            return this.seekTo_(seekable$$1.end(seekable$$1.length - 1));\n          }\n        }\n      }\n      /**\n       * Seek to the latest media position if this is a live video and the\n       * player and video are loaded and initialized.\n       */\n\n    }, {\n      key: 'setupFirstPlay',\n      value: function setupFirstPlay() {\n        var _this5 = this;\n\n        var media = this.masterPlaylistLoader_.media(); // Check that everything is ready to begin buffering for the first call to play\n        //  If 1) there is no active media\n        //     2) the player is paused\n        //     3) the first play has already been setup\n        // then exit early\n\n        if (!media || this.tech_.paused() || this.hasPlayed_) {\n          return false;\n        } // when the video is a live stream\n\n\n        if (!media.endList) {\n          var seekable$$1 = this.seekable();\n\n          if (!seekable$$1.length) {\n            // without a seekable range, the player cannot seek to begin buffering at the live\n            // point\n            return false;\n          }\n\n          if (videojs$1.browser.IE_VERSION && this.tech_.readyState() === 0) {\n            // IE11 throws an InvalidStateError if you try to set currentTime while the\n            // readyState is 0, so it must be delayed until the tech fires loadedmetadata.\n            this.tech_.one('loadedmetadata', function () {\n              _this5.trigger('firstplay');\n\n              _this5.seekTo_(seekable$$1.end(0));\n\n              _this5.hasPlayed_ = true;\n            });\n            return false;\n          } // trigger firstplay to inform the source handler to ignore the next seek event\n\n\n          this.trigger('firstplay'); // seek to the live point\n\n          this.seekTo_(seekable$$1.end(0));\n        }\n\n        this.hasPlayed_ = true; // we can begin loading now that everything is ready\n\n        this.load();\n        return true;\n      }\n      /**\n       * handle the sourceopen event on the MediaSource\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSourceOpen_',\n      value: function handleSourceOpen_() {\n        // Only attempt to create the source buffer if none already exist.\n        // handleSourceOpen is also called when we are \"re-opening\" a source buffer\n        // after `endOfStream` has been called (in response to a seek for instance)\n        try {\n          this.setupSourceBuffers_();\n        } catch (e) {\n          videojs$1.log.warn('Failed to create Source Buffers', e);\n          return this.mediaSource.endOfStream('decode');\n        } // if autoplay is enabled, begin playback. This is duplicative of\n        // code in video.js but is required because play() must be invoked\n        // *after* the media source has opened.\n\n\n        if (this.tech_.autoplay()) {\n          var playPromise = this.tech_.play(); // Catch/silence error when a pause interrupts a play request\n          // on browsers which return a promise\n\n          if (typeof playPromise !== 'undefined' && typeof playPromise.then === 'function') {\n            playPromise.then(null, function (e) {});\n          }\n        }\n\n        this.trigger('sourceopen');\n      }\n      /**\n       * Calls endOfStream on the media source when all active stream types have called\n       * endOfStream\n       *\n       * @param {string} streamType\n       *        Stream type of the segment loader that called endOfStream\n       * @private\n       */\n\n    }, {\n      key: 'onEndOfStream',\n      value: function onEndOfStream() {\n        var isEndOfStream = this.mainSegmentLoader_.ended_;\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          // if the audio playlist loader exists, then alternate audio is active\n          if (!this.mainSegmentLoader_.startingMedia_ || this.mainSegmentLoader_.startingMedia_.containsVideo) {\n            // if we do not know if the main segment loader contains video yet or if we\n            // definitively know the main segment loader contains video, then we need to wait\n            // for both main and audio segment loaders to call endOfStream\n            isEndOfStream = isEndOfStream && this.audioSegmentLoader_.ended_;\n          } else {\n            // otherwise just rely on the audio loader\n            isEndOfStream = this.audioSegmentLoader_.ended_;\n          }\n        }\n\n        if (!isEndOfStream) {\n          return;\n        }\n\n        this.logger_('calling mediaSource.endOfStream()'); // on chrome calling endOfStream can sometimes cause an exception,\n        // even when the media source is in a valid state.\n\n        try {\n          this.mediaSource.endOfStream();\n        } catch (e) {\n          videojs$1.log.warn('Failed to call media source endOfStream', e);\n        }\n      }\n      /**\n       * Check if a playlist has stopped being updated\n       * @param {Object} playlist the media playlist object\n       * @return {boolean} whether the playlist has stopped being updated or not\n       */\n\n    }, {\n      key: 'stuckAtPlaylistEnd_',\n      value: function stuckAtPlaylistEnd_(playlist) {\n        var seekable$$1 = this.seekable();\n\n        if (!seekable$$1.length) {\n          // playlist doesn't have enough information to determine whether we are stuck\n          return false;\n        }\n\n        var expired = this.syncController_.getExpiredTime(playlist, this.mediaSource.duration);\n\n        if (expired === null) {\n          return false;\n        } // does not use the safe live end to calculate playlist end, since we\n        // don't want to say we are stuck while there is still content\n\n\n        var absolutePlaylistEnd = Hls.Playlist.playlistEnd(playlist, expired);\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n\n        if (!buffered.length) {\n          // return true if the playhead reached the absolute end of the playlist\n          return absolutePlaylistEnd - currentTime <= SAFE_TIME_DELTA;\n        }\n\n        var bufferedEnd = buffered.end(buffered.length - 1); // return true if there is too little buffer left and buffer has reached absolute\n        // end of playlist\n\n        return bufferedEnd - currentTime <= SAFE_TIME_DELTA && absolutePlaylistEnd - bufferedEnd <= SAFE_TIME_DELTA;\n      }\n      /**\n       * Blacklists a playlist when an error occurs for a set amount of time\n       * making it unavailable for selection by the rendition selection algorithm\n       * and then forces a new playlist (rendition) selection.\n       *\n       * @param {Object=} error an optional error that may include the playlist\n       * to blacklist\n       * @param {Number=} blacklistDuration an optional number of seconds to blacklist the\n       * playlist\n       */\n\n    }, {\n      key: 'blacklistCurrentPlaylist',\n      value: function blacklistCurrentPlaylist() {\n        var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n        var blacklistDuration = arguments[1];\n        var currentPlaylist = void 0;\n        var nextPlaylist = void 0; // If the `error` was generated by the playlist loader, it will contain\n        // the playlist we were trying to load (but failed) and that should be\n        // blacklisted instead of the currently selected playlist which is likely\n        // out-of-date in this scenario\n\n        currentPlaylist = error.playlist || this.masterPlaylistLoader_.media();\n        blacklistDuration = blacklistDuration || error.blacklistDuration || this.blacklistDuration; // If there is no current playlist, then an error occurred while we were\n        // trying to load the master OR while we were disposing of the tech\n\n        if (!currentPlaylist) {\n          this.error = error;\n\n          try {\n            return this.mediaSource.endOfStream('network');\n          } catch (e) {\n            return this.trigger('error');\n          }\n        }\n\n        var isFinalRendition = this.masterPlaylistLoader_.master.playlists.filter(isEnabled).length === 1;\n        var playlists = this.masterPlaylistLoader_.master.playlists;\n\n        if (playlists.length === 1) {\n          // Never blacklisting this playlist because it's the only playlist\n          videojs$1.log.warn('Problem encountered with the current ' + 'HLS playlist. Trying again since it is the only playlist.');\n          this.tech_.trigger('retryplaylist');\n          return this.masterPlaylistLoader_.load(isFinalRendition);\n        }\n\n        if (isFinalRendition) {\n          // Since we're on the final non-blacklisted playlist, and we're about to blacklist\n          // it, instead of erring the player or retrying this playlist, clear out the current\n          // blacklist. This allows other playlists to be attempted in case any have been\n          // fixed.\n          videojs$1.log.warn('Removing all playlists from the blacklist because the last ' + 'rendition is about to be blacklisted.');\n          playlists.forEach(function (playlist) {\n            if (playlist.excludeUntil !== Infinity) {\n              delete playlist.excludeUntil;\n            }\n          }); // Technically we are retrying a playlist, in that we are simply retrying a previous\n          // playlist. This is needed for users relying on the retryplaylist event to catch a\n          // case where the player might be stuck and looping through \"dead\" playlists.\n\n          this.tech_.trigger('retryplaylist');\n        } // Blacklist this playlist\n\n\n        currentPlaylist.excludeUntil = Date.now() + blacklistDuration * 1000;\n        this.tech_.trigger('blacklistplaylist');\n        this.tech_.trigger({\n          type: 'usage',\n          name: 'hls-rendition-blacklisted'\n        }); // Select a new playlist\n\n        nextPlaylist = this.selectPlaylist();\n        videojs$1.log.warn('Problem encountered with the current HLS playlist.' + (error.message ? ' ' + error.message : '') + ' Switching to another playlist.');\n        return this.masterPlaylistLoader_.media(nextPlaylist, isFinalRendition);\n      }\n      /**\n       * Pause all segment loaders\n       */\n\n    }, {\n      key: 'pauseLoading',\n      value: function pauseLoading() {\n        this.mainSegmentLoader_.pause();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.pause();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.pause();\n        }\n      }\n      /**\n       * set the current time on all segment loaders\n       *\n       * @param {TimeRange} currentTime the current time to set\n       * @return {TimeRange} the current time\n       */\n\n    }, {\n      key: 'setCurrentTime',\n      value: function setCurrentTime(currentTime) {\n        var buffered = findRange(this.tech_.buffered(), currentTime);\n\n        if (!(this.masterPlaylistLoader_ && this.masterPlaylistLoader_.media())) {\n          // return immediately if the metadata is not ready yet\n          return 0;\n        } // it's clearly an edge-case but don't thrown an error if asked to\n        // seek within an empty playlist\n\n\n        if (!this.masterPlaylistLoader_.media().segments) {\n          return 0;\n        } // In flash playback, the segment loaders should be reset on every seek, even\n        // in buffer seeks. If the seek location is already buffered, continue buffering as\n        // usual\n        // TODO: redo this comment\n\n\n        if (buffered && buffered.length) {\n          return currentTime;\n        } // cancel outstanding requests so we begin buffering at the new\n        // location\n\n\n        this.mainSegmentLoader_.resetEverything();\n        this.mainSegmentLoader_.abort();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.resetEverything();\n          this.audioSegmentLoader_.abort();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.resetEverything();\n          this.subtitleSegmentLoader_.abort();\n        } // start segment loader loading in case they are paused\n\n\n        this.load();\n      }\n      /**\n       * get the current duration\n       *\n       * @return {TimeRange} the duration\n       */\n\n    }, {\n      key: 'duration',\n      value: function duration$$1() {\n        if (!this.masterPlaylistLoader_) {\n          return 0;\n        }\n\n        if (this.mediaSource) {\n          return this.mediaSource.duration;\n        }\n\n        return Hls.Playlist.duration(this.masterPlaylistLoader_.media());\n      }\n      /**\n       * check the seekable range\n       *\n       * @return {TimeRange} the seekable range\n       */\n\n    }, {\n      key: 'seekable',\n      value: function seekable$$1() {\n        return this.seekable_;\n      }\n    }, {\n      key: 'onSyncInfoUpdate_',\n      value: function onSyncInfoUpdate_() {\n        var audioSeekable = void 0;\n\n        if (!this.masterPlaylistLoader_) {\n          return;\n        }\n\n        var media = this.masterPlaylistLoader_.media();\n\n        if (!media) {\n          return;\n        }\n\n        var expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);\n\n        if (expired === null) {\n          // not enough information to update seekable\n          return;\n        }\n\n        var suggestedPresentationDelay = this.masterPlaylistLoader_.master.suggestedPresentationDelay;\n        var mainSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);\n\n        if (mainSeekable.length === 0) {\n          return;\n        }\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          media = this.mediaTypes_.AUDIO.activePlaylistLoader.media();\n          expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);\n\n          if (expired === null) {\n            return;\n          }\n\n          audioSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);\n\n          if (audioSeekable.length === 0) {\n            return;\n          }\n        }\n\n        var oldEnd = void 0;\n        var oldStart = void 0;\n\n        if (this.seekable_ && this.seekable_.length) {\n          oldEnd = this.seekable_.end(0);\n          oldStart = this.seekable_.start(0);\n        }\n\n        if (!audioSeekable) {\n          // seekable has been calculated based on buffering video data so it\n          // can be returned directly\n          this.seekable_ = mainSeekable;\n        } else if (audioSeekable.start(0) > mainSeekable.end(0) || mainSeekable.start(0) > audioSeekable.end(0)) {\n          // seekables are pretty far off, rely on main\n          this.seekable_ = mainSeekable;\n        } else {\n          this.seekable_ = videojs$1.createTimeRanges([[audioSeekable.start(0) > mainSeekable.start(0) ? audioSeekable.start(0) : mainSeekable.start(0), audioSeekable.end(0) < mainSeekable.end(0) ? audioSeekable.end(0) : mainSeekable.end(0)]]);\n        } // seekable is the same as last time\n\n\n        if (this.seekable_ && this.seekable_.length) {\n          if (this.seekable_.end(0) === oldEnd && this.seekable_.start(0) === oldStart) {\n            return;\n          }\n        }\n\n        this.logger_('seekable updated [' + printableRange(this.seekable_) + ']');\n        this.tech_.trigger('seekablechanged');\n      }\n      /**\n       * Update the player duration\n       */\n\n    }, {\n      key: 'updateDuration',\n      value: function updateDuration() {\n        var _this6 = this;\n\n        var oldDuration = this.mediaSource.duration;\n        var newDuration = Hls.Playlist.duration(this.masterPlaylistLoader_.media());\n        var buffered = this.tech_.buffered();\n\n        var setDuration = function setDuration() {\n          // on firefox setting the duration may sometimes cause an exception\n          // even if the media source is open and source buffers are not\n          // updating, something about the media source being in an invalid state.\n          _this6.logger_('Setting duration from ' + _this6.mediaSource.duration + ' => ' + newDuration);\n\n          try {\n            _this6.mediaSource.duration = newDuration;\n          } catch (e) {\n            videojs$1.log.warn('Failed to set media source duration', e);\n          }\n\n          _this6.tech_.trigger('durationchange');\n\n          _this6.mediaSource.removeEventListener('sourceopen', setDuration);\n        };\n\n        if (buffered.length > 0) {\n          newDuration = Math.max(newDuration, buffered.end(buffered.length - 1));\n        } // if the duration has changed, invalidate the cached value\n\n\n        if (oldDuration !== newDuration) {\n          // update the duration\n          if (this.mediaSource.readyState !== 'open') {\n            this.mediaSource.addEventListener('sourceopen', setDuration);\n          } else {\n            setDuration();\n          }\n        }\n      }\n      /**\n       * dispose of the MasterPlaylistController and everything\n       * that it controls\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        var _this7 = this;\n\n        this.trigger('dispose');\n        this.decrypter_.terminate();\n        this.masterPlaylistLoader_.dispose();\n        this.mainSegmentLoader_.dispose();\n        ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n          var groups = _this7.mediaTypes_[type].groups;\n\n          for (var id in groups) {\n            groups[id].forEach(function (group) {\n              if (group.playlistLoader) {\n                group.playlistLoader.dispose();\n              }\n            });\n          }\n        });\n        this.audioSegmentLoader_.dispose();\n        this.subtitleSegmentLoader_.dispose();\n        this.off();\n\n        if (this.mediaSource.dispose) {\n          this.mediaSource.dispose();\n        }\n      }\n      /**\n       * return the master playlist object if we have one\n       *\n       * @return {Object} the master playlist object that we parsed\n       */\n\n    }, {\n      key: 'master',\n      value: function master() {\n        return this.masterPlaylistLoader_.master;\n      }\n      /**\n       * return the currently selected playlist\n       *\n       * @return {Object} the currently selected playlist object that we parsed\n       */\n\n    }, {\n      key: 'media',\n      value: function media() {\n        // playlist loader will not return media if it has not been fully loaded\n        return this.masterPlaylistLoader_.media() || this.initialMedia_;\n      }\n      /**\n       * setup our internal source buffers on our segment Loaders\n       *\n       * @private\n       */\n\n    }, {\n      key: 'setupSourceBuffers_',\n      value: function setupSourceBuffers_() {\n        var media = this.masterPlaylistLoader_.media();\n        var mimeTypes = void 0; // wait until a media playlist is available and the Media Source is\n        // attached\n\n        if (!media || this.mediaSource.readyState !== 'open') {\n          return;\n        }\n\n        mimeTypes = mimeTypesForPlaylist(this.masterPlaylistLoader_.master, media);\n\n        if (mimeTypes.length < 1) {\n          this.error = 'No compatible SourceBuffer configuration for the variant stream:' + media.resolvedUri;\n          return this.mediaSource.endOfStream('decode');\n        }\n\n        this.configureLoaderMimeTypes_(mimeTypes); // exclude any incompatible variant streams from future playlist\n        // selection\n\n        this.excludeIncompatibleVariants_(media);\n      }\n    }, {\n      key: 'configureLoaderMimeTypes_',\n      value: function configureLoaderMimeTypes_(mimeTypes) {\n        // If the content is demuxed, we can't start appending segments to a source buffer\n        // until both source buffers are set up, or else the browser may not let us add the\n        // second source buffer (it will assume we are playing either audio only or video\n        // only).\n        var sourceBufferEmitter = // If there is more than one mime type\n        mimeTypes.length > 1 && // and the first mime type does not have muxed video and audio\n        mimeTypes[0].indexOf(',') === -1 && // and the two mime types are different (they can be the same in the case of audio\n        // only with alternate audio)\n        mimeTypes[0] !== mimeTypes[1] ? // then we want to wait on the second source buffer\n        new videojs$1.EventTarget() : // otherwise there is no need to wait as the content is either audio only,\n        // video only, or muxed content.\n        null;\n        this.mainSegmentLoader_.mimeType(mimeTypes[0], sourceBufferEmitter);\n\n        if (mimeTypes[1]) {\n          this.audioSegmentLoader_.mimeType(mimeTypes[1], sourceBufferEmitter);\n        }\n      }\n      /**\n       * Blacklists playlists with codecs that are unsupported by the browser.\n       */\n\n    }, {\n      key: 'excludeUnsupportedVariants_',\n      value: function excludeUnsupportedVariants_() {\n        this.master().playlists.forEach(function (variant) {\n          if (variant.attributes.CODECS && window$3.MediaSource && window$3.MediaSource.isTypeSupported && !window$3.MediaSource.isTypeSupported('video/mp4; codecs=\"' + mapLegacyAvcCodecs(variant.attributes.CODECS) + '\"')) {\n            variant.excludeUntil = Infinity;\n          }\n        });\n      }\n      /**\n       * Blacklist playlists that are known to be codec or\n       * stream-incompatible with the SourceBuffer configuration. For\n       * instance, Media Source Extensions would cause the video element to\n       * stall waiting for video data if you switched from a variant with\n       * video and audio to an audio-only one.\n       *\n       * @param {Object} media a media playlist compatible with the current\n       * set of SourceBuffers. Variants in the current master playlist that\n       * do not appear to have compatible codec or stream configurations\n       * will be excluded from the default playlist selection algorithm\n       * indefinitely.\n       * @private\n       */\n\n    }, {\n      key: 'excludeIncompatibleVariants_',\n      value: function excludeIncompatibleVariants_(media) {\n        var codecCount = 2;\n        var videoCodec = null;\n        var codecs = void 0;\n\n        if (media.attributes.CODECS) {\n          codecs = parseCodecs(media.attributes.CODECS);\n          videoCodec = codecs.videoCodec;\n          codecCount = codecs.codecCount;\n        }\n\n        this.master().playlists.forEach(function (variant) {\n          var variantCodecs = {\n            codecCount: 2,\n            videoCodec: null\n          };\n\n          if (variant.attributes.CODECS) {\n            variantCodecs = parseCodecs(variant.attributes.CODECS);\n          } // if the streams differ in the presence or absence of audio or\n          // video, they are incompatible\n\n\n          if (variantCodecs.codecCount !== codecCount) {\n            variant.excludeUntil = Infinity;\n          } // if h.264 is specified on the current playlist, some flavor of\n          // it must be specified on all compatible variants\n\n\n          if (variantCodecs.videoCodec !== videoCodec) {\n            variant.excludeUntil = Infinity;\n          }\n        });\n      }\n    }, {\n      key: 'updateAdCues_',\n      value: function updateAdCues_(media) {\n        var offset = 0;\n        var seekable$$1 = this.seekable();\n\n        if (seekable$$1.length) {\n          offset = seekable$$1.start(0);\n        }\n\n        updateAdCues(media, this.cueTagsTrack_, offset);\n      }\n      /**\n       * Calculates the desired forward buffer length based on current time\n       *\n       * @return {Number} Desired forward buffer length in seconds\n       */\n\n    }, {\n      key: 'goalBufferLength',\n      value: function goalBufferLength() {\n        var currentTime = this.tech_.currentTime();\n        var initial = Config.GOAL_BUFFER_LENGTH;\n        var rate = Config.GOAL_BUFFER_LENGTH_RATE;\n        var max = Math.max(initial, Config.MAX_GOAL_BUFFER_LENGTH);\n        return Math.min(initial + currentTime * rate, max);\n      }\n      /**\n       * Calculates the desired buffer low water line based on current time\n       *\n       * @return {Number} Desired buffer low water line in seconds\n       */\n\n    }, {\n      key: 'bufferLowWaterLine',\n      value: function bufferLowWaterLine() {\n        var currentTime = this.tech_.currentTime();\n        var initial = Config.BUFFER_LOW_WATER_LINE;\n        var rate = Config.BUFFER_LOW_WATER_LINE_RATE;\n        var max = Math.max(initial, Config.MAX_BUFFER_LOW_WATER_LINE);\n        return Math.min(initial + currentTime * rate, max);\n      }\n    }]);\n    return MasterPlaylistController;\n  }(videojs$1.EventTarget);\n  /**\n   * Returns a function that acts as the Enable/disable playlist function.\n   *\n   * @param {PlaylistLoader} loader - The master playlist loader\n\n   * @param {string} playlistID - id of the playlist\n   * @param {Function} changePlaylistFn - A function to be called after a\n   * playlist's enabled-state has been changed. Will NOT be called if a\n   * playlist's enabled-state is unchanged\n   * @param {Boolean=} enable - Value to set the playlist enabled-state to\n   * or if undefined returns the current enabled-state for the playlist\n   * @return {Function} Function for setting/getting enabled\n   */\n\n\n  var enableFunction = function enableFunction(loader, playlistID, changePlaylistFn) {\n    return function (enable) {\n      var playlist = loader.master.playlists[playlistID];\n      var incompatible = isIncompatible(playlist);\n      var currentlyEnabled = isEnabled(playlist);\n\n      if (typeof enable === 'undefined') {\n        return currentlyEnabled;\n      }\n\n      if (enable) {\n        delete playlist.disabled;\n      } else {\n        playlist.disabled = true;\n      }\n\n      if (enable !== currentlyEnabled && !incompatible) {\n        // Ensure the outside world knows about our changes\n        changePlaylistFn();\n\n        if (enable) {\n          loader.trigger('renditionenabled');\n        } else {\n          loader.trigger('renditiondisabled');\n        }\n      }\n\n      return enable;\n    };\n  };\n  /**\n   * The representation object encapsulates the publicly visible information\n   * in a media playlist along with a setter/getter-type function (enabled)\n   * for changing the enabled-state of a particular playlist entry\n   *\n   * @class Representation\n   */\n\n\n  var Representation = function Representation(hlsHandler, playlist, id) {\n    classCallCheck$1(this, Representation);\n    var mpc = hlsHandler.masterPlaylistController_,\n        smoothQualityChange = hlsHandler.options_.smoothQualityChange; // Get a reference to a bound version of the quality change function\n\n    var changeType = smoothQualityChange ? 'smooth' : 'fast';\n    var qualityChangeFunction = mpc[changeType + 'QualityChange_'].bind(mpc); // some playlist attributes are optional\n\n    if (playlist.attributes.RESOLUTION) {\n      var resolution = playlist.attributes.RESOLUTION;\n      this.width = resolution.width;\n      this.height = resolution.height;\n    }\n\n    this.bandwidth = playlist.attributes.BANDWIDTH; // The id is simply the ordinality of the media playlist\n    // within the master playlist\n\n    this.id = id; // Partially-apply the enableFunction to create a playlist-\n    // specific variant\n\n    this.enabled = enableFunction(hlsHandler.playlists, playlist.id, qualityChangeFunction);\n  };\n  /**\n   * A mixin function that adds the `representations` api to an instance\n   * of the HlsHandler class\n   * @param {HlsHandler} hlsHandler - An instance of HlsHandler to add the\n   * representation API into\n   */\n\n\n  var renditionSelectionMixin = function renditionSelectionMixin(hlsHandler) {\n    var playlists = hlsHandler.playlists; // Add a single API-specific function to the HlsHandler instance\n\n    hlsHandler.representations = function () {\n      if (!playlists || !playlists.master || !playlists.master.playlists) {\n        return [];\n      }\n\n      return playlists.master.playlists.filter(function (media) {\n        return !isIncompatible(media);\n      }).map(function (e, i) {\n        return new Representation(hlsHandler, e, e.id);\n      });\n    };\n  };\n  /**\n   * @file playback-watcher.js\n   *\n   * Playback starts, and now my watch begins. It shall not end until my death. I shall\n   * take no wait, hold no uncleared timeouts, father no bad seeks. I shall wear no crowns\n   * and win no glory. I shall live and die at my post. I am the corrector of the underflow.\n   * I am the watcher of gaps. I am the shield that guards the realms of seekable. I pledge\n   * my life and honor to the Playback Watch, for this Player and all the Players to come.\n   */\n  // Set of events that reset the playback-watcher time check logic and clear the timeout\n\n\n  var timerCancelEvents = ['seeking', 'seeked', 'pause', 'playing', 'error'];\n  /**\n   * @class PlaybackWatcher\n   */\n\n  var PlaybackWatcher = function () {\n    /**\n     * Represents an PlaybackWatcher object.\n     * @constructor\n     * @param {object} options an object that includes the tech and settings\n     */\n    function PlaybackWatcher(options) {\n      var _this = this;\n\n      classCallCheck$1(this, PlaybackWatcher);\n      this.tech_ = options.tech;\n      this.seekable = options.seekable;\n      this.seekTo = options.seekTo;\n      this.allowSeeksWithinUnsafeLiveWindow = options.allowSeeksWithinUnsafeLiveWindow;\n      this.media = options.media;\n      this.consecutiveUpdates = 0;\n      this.lastRecordedTime = null;\n      this.timer_ = null;\n      this.checkCurrentTimeTimeout_ = null;\n      this.logger_ = logger('PlaybackWatcher');\n      this.logger_('initialize');\n\n      var canPlayHandler = function canPlayHandler() {\n        return _this.monitorCurrentTime_();\n      };\n\n      var waitingHandler = function waitingHandler() {\n        return _this.techWaiting_();\n      };\n\n      var cancelTimerHandler = function cancelTimerHandler() {\n        return _this.cancelTimer_();\n      };\n\n      var fixesBadSeeksHandler = function fixesBadSeeksHandler() {\n        return _this.fixesBadSeeks_();\n      };\n\n      this.tech_.on('seekablechanged', fixesBadSeeksHandler);\n      this.tech_.on('waiting', waitingHandler);\n      this.tech_.on(timerCancelEvents, cancelTimerHandler);\n      this.tech_.on('canplay', canPlayHandler); // Define the dispose function to clean up our events\n\n      this.dispose = function () {\n        _this.logger_('dispose');\n\n        _this.tech_.off('seekablechanged', fixesBadSeeksHandler);\n\n        _this.tech_.off('waiting', waitingHandler);\n\n        _this.tech_.off(timerCancelEvents, cancelTimerHandler);\n\n        _this.tech_.off('canplay', canPlayHandler);\n\n        if (_this.checkCurrentTimeTimeout_) {\n          window$3.clearTimeout(_this.checkCurrentTimeTimeout_);\n        }\n\n        _this.cancelTimer_();\n      };\n    }\n    /**\n     * Periodically check current time to see if playback stopped\n     *\n     * @private\n     */\n\n\n    createClass$1(PlaybackWatcher, [{\n      key: 'monitorCurrentTime_',\n      value: function monitorCurrentTime_() {\n        this.checkCurrentTime_();\n\n        if (this.checkCurrentTimeTimeout_) {\n          window$3.clearTimeout(this.checkCurrentTimeTimeout_);\n        } // 42 = 24 fps // 250 is what Webkit uses // FF uses 15\n\n\n        this.checkCurrentTimeTimeout_ = window$3.setTimeout(this.monitorCurrentTime_.bind(this), 250);\n      }\n      /**\n       * The purpose of this function is to emulate the \"waiting\" event on\n       * browsers that do not emit it when they are waiting for more\n       * data to continue playback\n       *\n       * @private\n       */\n\n    }, {\n      key: 'checkCurrentTime_',\n      value: function checkCurrentTime_() {\n        if (this.tech_.seeking() && this.fixesBadSeeks_()) {\n          this.consecutiveUpdates = 0;\n          this.lastRecordedTime = this.tech_.currentTime();\n          return;\n        }\n\n        if (this.tech_.paused() || this.tech_.seeking()) {\n          return;\n        }\n\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n\n        if (this.lastRecordedTime === currentTime && (!buffered.length || currentTime + SAFE_TIME_DELTA >= buffered.end(buffered.length - 1))) {\n          // If current time is at the end of the final buffered region, then any playback\n          // stall is most likely caused by buffering in a low bandwidth environment. The tech\n          // should fire a `waiting` event in this scenario, but due to browser and tech\n          // inconsistencies. Calling `techWaiting_` here allows us to simulate\n          // responding to a native `waiting` event when the tech fails to emit one.\n          return this.techWaiting_();\n        }\n\n        if (this.consecutiveUpdates >= 5 && currentTime === this.lastRecordedTime) {\n          this.consecutiveUpdates++;\n          this.waiting_();\n        } else if (currentTime === this.lastRecordedTime) {\n          this.consecutiveUpdates++;\n        } else {\n          this.consecutiveUpdates = 0;\n          this.lastRecordedTime = currentTime;\n        }\n      }\n      /**\n       * Cancels any pending timers and resets the 'timeupdate' mechanism\n       * designed to detect that we are stalled\n       *\n       * @private\n       */\n\n    }, {\n      key: 'cancelTimer_',\n      value: function cancelTimer_() {\n        this.consecutiveUpdates = 0;\n\n        if (this.timer_) {\n          this.logger_('cancelTimer_');\n          clearTimeout(this.timer_);\n        }\n\n        this.timer_ = null;\n      }\n      /**\n       * Fixes situations where there's a bad seek\n       *\n       * @return {Boolean} whether an action was taken to fix the seek\n       * @private\n       */\n\n    }, {\n      key: 'fixesBadSeeks_',\n      value: function fixesBadSeeks_() {\n        var seeking = this.tech_.seeking();\n\n        if (!seeking) {\n          return false;\n        }\n\n        var seekable = this.seekable();\n        var currentTime = this.tech_.currentTime();\n        var isAfterSeekableRange = this.afterSeekableWindow_(seekable, currentTime, this.media(), this.allowSeeksWithinUnsafeLiveWindow);\n        var seekTo = void 0;\n\n        if (isAfterSeekableRange) {\n          var seekableEnd = seekable.end(seekable.length - 1); // sync to live point (if VOD, our seekable was updated and we're simply adjusting)\n\n          seekTo = seekableEnd;\n        }\n\n        if (this.beforeSeekableWindow_(seekable, currentTime)) {\n          var seekableStart = seekable.start(0); // sync to the beginning of the live window\n          // provide a buffer of .1 seconds to handle rounding/imprecise numbers\n\n          seekTo = seekableStart + SAFE_TIME_DELTA;\n        }\n\n        if (typeof seekTo !== 'undefined') {\n          this.logger_('Trying to seek outside of seekable at time ' + currentTime + ' with ' + ('seekable range ' + printableRange(seekable) + '. Seeking to ') + (seekTo + '.'));\n          this.seekTo(seekTo);\n          return true;\n        }\n\n        return false;\n      }\n      /**\n       * Handler for situations when we determine the player is waiting.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'waiting_',\n      value: function waiting_() {\n        if (this.techWaiting_()) {\n          return;\n        } // All tech waiting checks failed. Use last resort correction\n\n\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n        var currentRange = findRange(buffered, currentTime); // Sometimes the player can stall for unknown reasons within a contiguous buffered\n        // region with no indication that anything is amiss (seen in Firefox). Seeking to\n        // currentTime is usually enough to kickstart the player. This checks that the player\n        // is currently within a buffered region before attempting a corrective seek.\n        // Chrome does not appear to continue `timeupdate` events after a `waiting` event\n        // until there is ~ 3 seconds of forward buffer available. PlaybackWatcher should also\n        // make sure there is ~3 seconds of forward buffer before taking any corrective action\n        // to avoid triggering an `unknownwaiting` event when the network is slow.\n\n        if (currentRange.length && currentTime + 3 <= currentRange.end(0)) {\n          this.cancelTimer_();\n          this.seekTo(currentTime);\n          this.logger_('Stopped at ' + currentTime + ' while inside a buffered region ' + ('[' + currentRange.start(0) + ' -> ' + currentRange.end(0) + ']. Attempting to resume ') + 'playback by seeking to the current time.'); // unknown waiting corrections may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-unknown-waiting'\n          });\n          return;\n        }\n      }\n      /**\n       * Handler for situations when the tech fires a `waiting` event\n       *\n       * @return {Boolean}\n       *         True if an action (or none) was needed to correct the waiting. False if no\n       *         checks passed\n       * @private\n       */\n\n    }, {\n      key: 'techWaiting_',\n      value: function techWaiting_() {\n        var seekable = this.seekable();\n        var currentTime = this.tech_.currentTime();\n\n        if (this.tech_.seeking() && this.fixesBadSeeks_()) {\n          // Tech is seeking or bad seek fixed, no action needed\n          return true;\n        }\n\n        if (this.tech_.seeking() || this.timer_ !== null) {\n          // Tech is seeking or already waiting on another action, no action needed\n          return true;\n        }\n\n        if (this.beforeSeekableWindow_(seekable, currentTime)) {\n          var livePoint = seekable.end(seekable.length - 1);\n          this.logger_('Fell out of live window at time ' + currentTime + '. Seeking to ' + ('live point (seekable end) ' + livePoint));\n          this.cancelTimer_();\n          this.seekTo(livePoint); // live window resyncs may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-live-resync'\n          });\n          return true;\n        }\n\n        var buffered = this.tech_.buffered();\n        var nextRange = findNextRange(buffered, currentTime);\n\n        if (this.videoUnderflow_(nextRange, buffered, currentTime)) {\n          // Even though the video underflowed and was stuck in a gap, the audio overplayed\n          // the gap, leading currentTime into a buffered range. Seeking to currentTime\n          // allows the video to catch up to the audio position without losing any audio\n          // (only suffering ~3 seconds of frozen video and a pause in audio playback).\n          this.cancelTimer_();\n          this.seekTo(currentTime); // video underflow may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-video-underflow'\n          });\n          return true;\n        } // check for gap\n\n\n        if (nextRange.length > 0) {\n          var difference = nextRange.start(0) - currentTime;\n          this.logger_('Stopped at ' + currentTime + ', setting timer for ' + difference + ', seeking ' + ('to ' + nextRange.start(0)));\n          this.timer_ = setTimeout(this.skipTheGap_.bind(this), difference * 1000, currentTime);\n          return true;\n        } // All checks failed. Returning false to indicate failure to correct waiting\n\n\n        return false;\n      }\n    }, {\n      key: 'afterSeekableWindow_',\n      value: function afterSeekableWindow_(seekable, currentTime, playlist) {\n        var allowSeeksWithinUnsafeLiveWindow = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;\n\n        if (!seekable.length) {\n          // we can't make a solid case if there's no seekable, default to false\n          return false;\n        }\n\n        var allowedEnd = seekable.end(seekable.length - 1) + SAFE_TIME_DELTA;\n        var isLive = !playlist.endList;\n\n        if (isLive && allowSeeksWithinUnsafeLiveWindow) {\n          allowedEnd = seekable.end(seekable.length - 1) + playlist.targetDuration * 3;\n        }\n\n        if (currentTime > allowedEnd) {\n          return true;\n        }\n\n        return false;\n      }\n    }, {\n      key: 'beforeSeekableWindow_',\n      value: function beforeSeekableWindow_(seekable, currentTime) {\n        if (seekable.length && // can't fall before 0 and 0 seekable start identifies VOD stream\n        seekable.start(0) > 0 && currentTime < seekable.start(0) - SAFE_TIME_DELTA) {\n          return true;\n        }\n\n        return false;\n      }\n    }, {\n      key: 'videoUnderflow_',\n      value: function videoUnderflow_(nextRange, buffered, currentTime) {\n        if (nextRange.length === 0) {\n          // Even if there is no available next range, there is still a possibility we are\n          // stuck in a gap due to video underflow.\n          var gap = this.gapFromVideoUnderflow_(buffered, currentTime);\n\n          if (gap) {\n            this.logger_('Encountered a gap in video from ' + gap.start + ' to ' + gap.end + '. ' + ('Seeking to current time ' + currentTime));\n            return true;\n          }\n        }\n\n        return false;\n      }\n      /**\n       * Timer callback. If playback still has not proceeded, then we seek\n       * to the start of the next buffered region.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'skipTheGap_',\n      value: function skipTheGap_(scheduledCurrentTime) {\n        var buffered = this.tech_.buffered();\n        var currentTime = this.tech_.currentTime();\n        var nextRange = findNextRange(buffered, currentTime);\n        this.cancelTimer_();\n\n        if (nextRange.length === 0 || currentTime !== scheduledCurrentTime) {\n          return;\n        }\n\n        this.logger_('skipTheGap_:', 'currentTime:', currentTime, 'scheduled currentTime:', scheduledCurrentTime, 'nextRange start:', nextRange.start(0)); // only seek if we still have not played\n\n        this.seekTo(nextRange.start(0) + TIME_FUDGE_FACTOR);\n        this.tech_.trigger({\n          type: 'usage',\n          name: 'hls-gap-skip'\n        });\n      }\n    }, {\n      key: 'gapFromVideoUnderflow_',\n      value: function gapFromVideoUnderflow_(buffered, currentTime) {\n        // At least in Chrome, if there is a gap in the video buffer, the audio will continue\n        // playing for ~3 seconds after the video gap starts. This is done to account for\n        // video buffer underflow/underrun (note that this is not done when there is audio\n        // buffer underflow/underrun -- in that case the video will stop as soon as it\n        // encounters the gap, as audio stalls are more noticeable/jarring to a user than\n        // video stalls). The player's time will reflect the playthrough of audio, so the\n        // time will appear as if we are in a buffered region, even if we are stuck in a\n        // \"gap.\"\n        //\n        // Example:\n        // video buffer:   0 => 10.1, 10.2 => 20\n        // audio buffer:   0 => 20\n        // overall buffer: 0 => 10.1, 10.2 => 20\n        // current time: 13\n        //\n        // Chrome's video froze at 10 seconds, where the video buffer encountered the gap,\n        // however, the audio continued playing until it reached ~3 seconds past the gap\n        // (13 seconds), at which point it stops as well. Since current time is past the\n        // gap, findNextRange will return no ranges.\n        //\n        // To check for this issue, we see if there is a gap that starts somewhere within\n        // a 3 second range (3 seconds +/- 1 second) back from our current time.\n        var gaps = findGaps(buffered);\n\n        for (var i = 0; i < gaps.length; i++) {\n          var start = gaps.start(i);\n          var end = gaps.end(i); // gap is starts no more than 4 seconds back\n\n          if (currentTime - start < 4 && currentTime - start > 2) {\n            return {\n              start: start,\n              end: end\n            };\n          }\n        }\n\n        return null;\n      }\n    }]);\n    return PlaybackWatcher;\n  }();\n\n  var defaultOptions = {\n    errorInterval: 30,\n    getSource: function getSource(next) {\n      var tech = this.tech({\n        IWillNotUseThisInPlugins: true\n      });\n      var sourceObj = tech.currentSource_;\n      return next(sourceObj);\n    }\n  };\n  /**\n   * Main entry point for the plugin\n   *\n   * @param {Player} player a reference to a videojs Player instance\n   * @param {Object} [options] an object with plugin options\n   * @private\n   */\n\n  var initPlugin = function initPlugin(player, options) {\n    var lastCalled = 0;\n    var seekTo = 0;\n    var localOptions = videojs$1.mergeOptions(defaultOptions, options);\n    player.ready(function () {\n      player.trigger({\n        type: 'usage',\n        name: 'hls-error-reload-initialized'\n      });\n    });\n    /**\n     * Player modifications to perform that must wait until `loadedmetadata`\n     * has been triggered\n     *\n     * @private\n     */\n\n    var loadedMetadataHandler = function loadedMetadataHandler() {\n      if (seekTo) {\n        player.currentTime(seekTo);\n      }\n    };\n    /**\n     * Set the source on the player element, play, and seek if necessary\n     *\n     * @param {Object} sourceObj An object specifying the source url and mime-type to play\n     * @private\n     */\n\n\n    var setSource = function setSource(sourceObj) {\n      if (sourceObj === null || sourceObj === undefined) {\n        return;\n      }\n\n      seekTo = player.duration() !== Infinity && player.currentTime() || 0;\n      player.one('loadedmetadata', loadedMetadataHandler);\n      player.src(sourceObj);\n      player.trigger({\n        type: 'usage',\n        name: 'hls-error-reload'\n      });\n      player.play();\n    };\n    /**\n     * Attempt to get a source from either the built-in getSource function\n     * or a custom function provided via the options\n     *\n     * @private\n     */\n\n\n    var errorHandler = function errorHandler() {\n      // Do not attempt to reload the source if a source-reload occurred before\n      // 'errorInterval' time has elapsed since the last source-reload\n      if (Date.now() - lastCalled < localOptions.errorInterval * 1000) {\n        player.trigger({\n          type: 'usage',\n          name: 'hls-error-reload-canceled'\n        });\n        return;\n      }\n\n      if (!localOptions.getSource || typeof localOptions.getSource !== 'function') {\n        videojs$1.log.error('ERROR: reloadSourceOnError - The option getSource must be a function!');\n        return;\n      }\n\n      lastCalled = Date.now();\n      return localOptions.getSource.call(player, setSource);\n    };\n    /**\n     * Unbind any event handlers that were bound by the plugin\n     *\n     * @private\n     */\n\n\n    var cleanupEvents = function cleanupEvents() {\n      player.off('loadedmetadata', loadedMetadataHandler);\n      player.off('error', errorHandler);\n      player.off('dispose', cleanupEvents);\n    };\n    /**\n     * Cleanup before re-initializing the plugin\n     *\n     * @param {Object} [newOptions] an object with plugin options\n     * @private\n     */\n\n\n    var reinitPlugin = function reinitPlugin(newOptions) {\n      cleanupEvents();\n      initPlugin(player, newOptions);\n    };\n\n    player.on('error', errorHandler);\n    player.on('dispose', cleanupEvents); // Overwrite the plugin function so that we can correctly cleanup before\n    // initializing the plugin\n\n    player.reloadSourceOnError = reinitPlugin;\n  };\n  /**\n   * Reload the source when an error is detected as long as there\n   * wasn't an error previously within the last 30 seconds\n   *\n   * @param {Object} [options] an object with plugin options\n   */\n\n\n  var reloadSourceOnError = function reloadSourceOnError(options) {\n    initPlugin(this, options);\n  };\n\n  var version$1 = \"1.12.3\"; // since VHS handles HLS and DASH (and in the future, more types), use * to capture all\n\n  videojs$1.use('*', function (player) {\n    return {\n      setSource: function setSource(srcObj, next) {\n        // pass null as the first argument to indicate that the source is not rejected\n        next(null, srcObj);\n      },\n      // VHS needs to know when seeks happen. For external seeks (generated at the player\n      // level), this middleware will capture the action. For internal seeks (generated at\n      // the tech level), we use a wrapped function so that we can handle it on our own\n      // (specified elsewhere).\n      setCurrentTime: function setCurrentTime(time) {\n        if (player.vhs && player.currentSource().src === player.vhs.source_.src) {\n          player.vhs.setCurrentTime(time);\n        }\n\n        return time;\n      },\n      // Sync VHS after play requests.\n      // This specifically handles replay where the order of actions is\n      // play, video element will seek to 0 (skipping the setCurrentTime middleware)\n      // then triggers a play event.\n      play: function play() {\n        if (player.vhs && player.currentSource().src === player.vhs.source_.src) {\n          player.vhs.setCurrentTime(player.tech_.currentTime());\n        }\n      }\n    };\n  });\n  /**\n   * @file videojs-http-streaming.js\n   *\n   * The main file for the HLS project.\n   * License: https://github.com/videojs/videojs-http-streaming/blob/master/LICENSE\n   */\n\n  var Hls$1 = {\n    PlaylistLoader: PlaylistLoader,\n    Playlist: Playlist,\n    Decrypter: Decrypter,\n    AsyncStream: AsyncStream,\n    decrypt: decrypt,\n    utils: utils$1,\n    STANDARD_PLAYLIST_SELECTOR: lastBandwidthSelector,\n    INITIAL_PLAYLIST_SELECTOR: lowestBitrateCompatibleVariantSelector,\n    comparePlaylistBandwidth: comparePlaylistBandwidth,\n    comparePlaylistResolution: comparePlaylistResolution,\n    xhr: xhrFactory()\n  }; // Define getter/setters for config properites\n\n  ['GOAL_BUFFER_LENGTH', 'MAX_GOAL_BUFFER_LENGTH', 'GOAL_BUFFER_LENGTH_RATE', 'BUFFER_LOW_WATER_LINE', 'MAX_BUFFER_LOW_WATER_LINE', 'BUFFER_LOW_WATER_LINE_RATE', 'BANDWIDTH_VARIANCE'].forEach(function (prop) {\n    Object.defineProperty(Hls$1, prop, {\n      get: function get$$1() {\n        videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');\n        return Config[prop];\n      },\n      set: function set$$1(value) {\n        videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');\n\n        if (typeof value !== 'number' || value < 0) {\n          videojs$1.log.warn('value of Hls.' + prop + ' must be greater than or equal to 0');\n          return;\n        }\n\n        Config[prop] = value;\n      }\n    });\n  });\n  var LOCAL_STORAGE_KEY$1 = 'videojs-vhs';\n\n  var simpleTypeFromSourceType = function simpleTypeFromSourceType(type) {\n    var mpegurlRE = /^(audio|video|application)\\/(x-|vnd\\.apple\\.)?mpegurl/i;\n\n    if (mpegurlRE.test(type)) {\n      return 'hls';\n    }\n\n    var dashRE = /^application\\/dash\\+xml/i;\n\n    if (dashRE.test(type)) {\n      return 'dash';\n    }\n\n    return null;\n  };\n  /**\n   * Updates the selectedIndex of the QualityLevelList when a mediachange happens in hls.\n   *\n   * @param {QualityLevelList} qualityLevels The QualityLevelList to update.\n   * @param {PlaylistLoader} playlistLoader PlaylistLoader containing the new media info.\n   * @function handleHlsMediaChange\n   */\n\n\n  var handleHlsMediaChange = function handleHlsMediaChange(qualityLevels, playlistLoader) {\n    var newPlaylist = playlistLoader.media();\n    var selectedIndex = -1;\n\n    for (var i = 0; i < qualityLevels.length; i++) {\n      if (qualityLevels[i].id === newPlaylist.id) {\n        selectedIndex = i;\n        break;\n      }\n    }\n\n    qualityLevels.selectedIndex_ = selectedIndex;\n    qualityLevels.trigger({\n      selectedIndex: selectedIndex,\n      type: 'change'\n    });\n  };\n  /**\n   * Adds quality levels to list once playlist metadata is available\n   *\n   * @param {QualityLevelList} qualityLevels The QualityLevelList to attach events to.\n   * @param {Object} hls Hls object to listen to for media events.\n   * @function handleHlsLoadedMetadata\n   */\n\n\n  var handleHlsLoadedMetadata = function handleHlsLoadedMetadata(qualityLevels, hls) {\n    hls.representations().forEach(function (rep) {\n      qualityLevels.addQualityLevel(rep);\n    });\n    handleHlsMediaChange(qualityLevels, hls.playlists);\n  }; // HLS is a source handler, not a tech. Make sure attempts to use it\n  // as one do not cause exceptions.\n\n\n  Hls$1.canPlaySource = function () {\n    return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\\'s techOrder.');\n  };\n\n  var emeKeySystems = function emeKeySystems(keySystemOptions, mainSegmentLoader, audioSegmentLoader) {\n    if (!keySystemOptions) {\n      return keySystemOptions;\n    }\n\n    var videoMimeType = void 0;\n    var audioMimeType = void 0; // if there is a mimeType associated with the audioSegmentLoader, then the audio\n    // and video mimeType and codec strings are already in the format we need to\n    // pass with the other key systems\n\n    if (audioSegmentLoader.mimeType_) {\n      videoMimeType = mainSegmentLoader.mimeType_;\n      audioMimeType = audioSegmentLoader.mimeType_; // if there is no audioSegmentLoader mimeType, then we have to create the\n      // the audio and video mimeType/codec strings from information extrapolated\n      // from the mainSegmentLoader mimeType (ex. 'video/mp4; codecs=\"mp4, avc1\"' -->\n      // 'video/mp4; codecs=\"avc1\"' and 'audio/mp4; codecs=\"mp4\"')\n    } else {\n      var parsedMimeType = parseContentType(mainSegmentLoader.mimeType_);\n      var codecs = parsedMimeType.parameters.codecs.split(',');\n      var audioCodec = void 0;\n      var videoCodec = void 0;\n      codecs.forEach(function (codec) {\n        codec = codec.trim();\n\n        if (isAudioCodec(codec)) {\n          audioCodec = codec;\n        } else if (isVideoCodec(codec)) {\n          videoCodec = codec;\n        }\n      });\n      videoMimeType = parsedMimeType.type + '; codecs=\"' + videoCodec + '\"';\n      audioMimeType = parsedMimeType.type.replace('video', 'audio') + '; codecs=\"' + audioCodec + '\"';\n    } // upsert the content types based on the selected playlist\n\n\n    var keySystemContentTypes = {};\n    var videoPlaylist = mainSegmentLoader.playlist_;\n\n    for (var keySystem in keySystemOptions) {\n      keySystemContentTypes[keySystem] = {\n        audioContentType: audioMimeType,\n        videoContentType: videoMimeType\n      };\n\n      if (videoPlaylist.contentProtection && videoPlaylist.contentProtection[keySystem] && videoPlaylist.contentProtection[keySystem].pssh) {\n        keySystemContentTypes[keySystem].pssh = videoPlaylist.contentProtection[keySystem].pssh;\n      } // videojs-contrib-eme accepts the option of specifying: 'com.some.cdm': 'url'\n      // so we need to prevent overwriting the URL entirely\n\n\n      if (typeof keySystemOptions[keySystem] === 'string') {\n        keySystemContentTypes[keySystem].url = keySystemOptions[keySystem];\n      }\n    }\n\n    return videojs$1.mergeOptions(keySystemOptions, keySystemContentTypes);\n  };\n\n  var setupEmeOptions = function setupEmeOptions(hlsHandler) {\n    var mainSegmentLoader = hlsHandler.masterPlaylistController_.mainSegmentLoader_;\n    var audioSegmentLoader = hlsHandler.masterPlaylistController_.audioSegmentLoader_;\n    var player = videojs$1.players[hlsHandler.tech_.options_.playerId];\n\n    if (player.eme) {\n      var sourceOptions = emeKeySystems(hlsHandler.source_.keySystems, mainSegmentLoader, audioSegmentLoader);\n\n      if (sourceOptions) {\n        player.currentSource().keySystems = sourceOptions; // Works around https://bugs.chromium.org/p/chromium/issues/detail?id=895449\n        // in non-IE11 browsers. In IE11 this is too early to initialize media keys\n\n        if (!(videojs$1.browser.IE_VERSION === 11) && player.eme.initializeMediaKeys) {\n          player.eme.initializeMediaKeys();\n        }\n      }\n    }\n  };\n\n  var getVhsLocalStorage = function getVhsLocalStorage() {\n    if (!window.localStorage) {\n      return null;\n    }\n\n    var storedObject = window.localStorage.getItem(LOCAL_STORAGE_KEY$1);\n\n    if (!storedObject) {\n      return null;\n    }\n\n    try {\n      return JSON.parse(storedObject);\n    } catch (e) {\n      // someone may have tampered with the value\n      return null;\n    }\n  };\n\n  var updateVhsLocalStorage = function updateVhsLocalStorage(options) {\n    if (!window.localStorage) {\n      return false;\n    }\n\n    var objectToStore = getVhsLocalStorage();\n    objectToStore = objectToStore ? videojs$1.mergeOptions(objectToStore, options) : options;\n\n    try {\n      window.localStorage.setItem(LOCAL_STORAGE_KEY$1, JSON.stringify(objectToStore));\n    } catch (e) {\n      // Throws if storage is full (e.g., always on iOS 5+ Safari private mode, where\n      // storage is set to 0).\n      // https://developer.mozilla.org/en-US/docs/Web/API/Storage/setItem#Exceptions\n      // No need to perform any operation.\n      return false;\n    }\n\n    return objectToStore;\n  };\n  /**\n   * Whether the browser has built-in HLS support.\n   */\n\n\n  Hls$1.supportsNativeHls = function () {\n    var video = document.createElement('video'); // native HLS is definitely not supported if HTML5 video isn't\n\n    if (!videojs$1.getTech('Html5').isSupported()) {\n      return false;\n    } // HLS manifests can go by many mime-types\n\n\n    var canPlay = [// Apple santioned\n    'application/vnd.apple.mpegurl', // Apple sanctioned for backwards compatibility\n    'audio/mpegurl', // Very common\n    'audio/x-mpegurl', // Very common\n    'application/x-mpegurl', // Included for completeness\n    'video/x-mpegurl', 'video/mpegurl', 'application/mpegurl'];\n    return canPlay.some(function (canItPlay) {\n      return /maybe|probably/i.test(video.canPlayType(canItPlay));\n    });\n  }();\n\n  Hls$1.supportsNativeDash = function () {\n    if (!videojs$1.getTech('Html5').isSupported()) {\n      return false;\n    }\n\n    return /maybe|probably/i.test(document.createElement('video').canPlayType('application/dash+xml'));\n  }();\n\n  Hls$1.supportsTypeNatively = function (type) {\n    if (type === 'hls') {\n      return Hls$1.supportsNativeHls;\n    }\n\n    if (type === 'dash') {\n      return Hls$1.supportsNativeDash;\n    }\n\n    return false;\n  };\n  /**\n   * HLS is a source handler, not a tech. Make sure attempts to use it\n   * as one do not cause exceptions.\n   */\n\n\n  Hls$1.isSupported = function () {\n    return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\\'s techOrder.');\n  };\n\n  var Component$1 = videojs$1.getComponent('Component');\n  /**\n   * The Hls Handler object, where we orchestrate all of the parts\n   * of HLS to interact with video.js\n   *\n   * @class HlsHandler\n   * @extends videojs.Component\n   * @param {Object} source the soruce object\n   * @param {Tech} tech the parent tech object\n   * @param {Object} options optional and required options\n   */\n\n  var HlsHandler = function (_Component) {\n    inherits$2(HlsHandler, _Component);\n\n    function HlsHandler(source, tech, options) {\n      classCallCheck$1(this, HlsHandler); // tech.player() is deprecated but setup a reference to HLS for\n      // backwards-compatibility\n\n      var _this = possibleConstructorReturn$1(this, (HlsHandler.__proto__ || Object.getPrototypeOf(HlsHandler)).call(this, tech, options.hls));\n\n      if (tech.options_ && tech.options_.playerId) {\n        var _player = videojs$1(tech.options_.playerId);\n\n        if (!_player.hasOwnProperty('hls')) {\n          Object.defineProperty(_player, 'hls', {\n            get: function get$$1() {\n              videojs$1.log.warn('player.hls is deprecated. Use player.tech().hls instead.');\n              tech.trigger({\n                type: 'usage',\n                name: 'hls-player-access'\n              });\n              return _this;\n            },\n            configurable: true\n          });\n        } // Set up a reference to the HlsHandler from player.vhs. This allows users to start\n        // migrating from player.tech_.hls... to player.vhs... for API access. Although this\n        // isn't the most appropriate form of reference for video.js (since all APIs should\n        // be provided through core video.js), it is a common pattern for plugins, and vhs\n        // will act accordingly.\n\n\n        _player.vhs = _this; // deprecated, for backwards compatibility\n\n        _player.dash = _this;\n        _this.player_ = _player;\n      }\n\n      _this.tech_ = tech;\n      _this.source_ = source;\n      _this.stats = {};\n\n      _this.setOptions_();\n\n      if (_this.options_.overrideNative && tech.overrideNativeAudioTracks && tech.overrideNativeVideoTracks) {\n        tech.overrideNativeAudioTracks(true);\n        tech.overrideNativeVideoTracks(true);\n      } else if (_this.options_.overrideNative && (tech.featuresNativeVideoTracks || tech.featuresNativeAudioTracks)) {\n        // overriding native HLS only works if audio tracks have been emulated\n        // error early if we're misconfigured\n        throw new Error('Overriding native HLS requires emulated tracks. ' + 'See https://git.io/vMpjB');\n      } // listen for fullscreenchange events for this player so that we\n      // can adjust our quality selection quickly\n\n\n      _this.on(document, ['fullscreenchange', 'webkitfullscreenchange', 'mozfullscreenchange', 'MSFullscreenChange'], function (event) {\n        var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement;\n\n        if (fullscreenElement && fullscreenElement.contains(_this.tech_.el())) {\n          _this.masterPlaylistController_.smoothQualityChange_();\n        }\n      }); // Handle seeking when looping - middleware doesn't handle this seek event from the tech\n\n\n      _this.on(_this.tech_, 'seeking', function () {\n        if (this.tech_.currentTime() === 0 && this.tech_.player_.loop()) {\n          this.setCurrentTime(0);\n        }\n      });\n\n      _this.on(_this.tech_, 'error', function () {\n        if (this.masterPlaylistController_) {\n          this.masterPlaylistController_.pauseLoading();\n        }\n      });\n\n      _this.on(_this.tech_, 'play', _this.play);\n\n      return _this;\n    }\n\n    createClass$1(HlsHandler, [{\n      key: 'setOptions_',\n      value: function setOptions_() {\n        var _this2 = this; // defaults\n\n\n        this.options_.withCredentials = this.options_.withCredentials || false;\n        this.options_.handleManifestRedirects = this.options_.handleManifestRedirects || false;\n        this.options_.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions === false ? false : true;\n        this.options_.smoothQualityChange = this.options_.smoothQualityChange || false;\n        this.options_.useBandwidthFromLocalStorage = typeof this.source_.useBandwidthFromLocalStorage !== 'undefined' ? this.source_.useBandwidthFromLocalStorage : this.options_.useBandwidthFromLocalStorage || false;\n        this.options_.customTagParsers = this.options_.customTagParsers || [];\n        this.options_.customTagMappers = this.options_.customTagMappers || [];\n        this.options_.cacheEncryptionKeys = this.options_.cacheEncryptionKeys || false;\n\n        if (typeof this.options_.blacklistDuration !== 'number') {\n          this.options_.blacklistDuration = 5 * 60;\n        }\n\n        if (typeof this.options_.bandwidth !== 'number') {\n          if (this.options_.useBandwidthFromLocalStorage) {\n            var storedObject = getVhsLocalStorage();\n\n            if (storedObject && storedObject.bandwidth) {\n              this.options_.bandwidth = storedObject.bandwidth;\n              this.tech_.trigger({\n                type: 'usage',\n                name: 'hls-bandwidth-from-local-storage'\n              });\n            }\n\n            if (storedObject && storedObject.throughput) {\n              this.options_.throughput = storedObject.throughput;\n              this.tech_.trigger({\n                type: 'usage',\n                name: 'hls-throughput-from-local-storage'\n              });\n            }\n          }\n        } // if bandwidth was not set by options or pulled from local storage, start playlist\n        // selection at a reasonable bandwidth\n\n\n        if (typeof this.options_.bandwidth !== 'number') {\n          this.options_.bandwidth = Config.INITIAL_BANDWIDTH;\n        } // If the bandwidth number is unchanged from the initial setting\n        // then this takes precedence over the enableLowInitialPlaylist option\n\n\n        this.options_.enableLowInitialPlaylist = this.options_.enableLowInitialPlaylist && this.options_.bandwidth === Config.INITIAL_BANDWIDTH; // grab options passed to player.src\n\n        ['withCredentials', 'limitRenditionByPlayerDimensions', 'bandwidth', 'smoothQualityChange', 'customTagParsers', 'customTagMappers', 'handleManifestRedirects', 'cacheEncryptionKeys'].forEach(function (option) {\n          if (typeof _this2.source_[option] !== 'undefined') {\n            _this2.options_[option] = _this2.source_[option];\n          }\n        });\n        this.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions;\n      }\n      /**\n       * called when player.src gets called, handle a new source\n       *\n       * @param {Object} src the source object to handle\n       */\n\n    }, {\n      key: 'src',\n      value: function src(_src, type) {\n        var _this3 = this; // do nothing if the src is falsey\n\n\n        if (!_src) {\n          return;\n        }\n\n        this.setOptions_(); // add master playlist controller options\n\n        this.options_.url = this.source_.src;\n        this.options_.tech = this.tech_;\n        this.options_.externHls = Hls$1;\n        this.options_.sourceType = simpleTypeFromSourceType(type); // Whenever we seek internally, we should update both the tech and call our own\n        // setCurrentTime function. This is needed because \"seeking\" events aren't always\n        // reliable. External seeks (via the player object) are handled via middleware.\n\n        this.options_.seekTo = function (time) {\n          _this3.tech_.setCurrentTime(time);\n\n          _this3.setCurrentTime(time);\n        };\n\n        this.masterPlaylistController_ = new MasterPlaylistController(this.options_);\n        this.playbackWatcher_ = new PlaybackWatcher(videojs$1.mergeOptions(this.options_, {\n          seekable: function seekable$$1() {\n            return _this3.seekable();\n          },\n          media: function media() {\n            return _this3.masterPlaylistController_.media();\n          }\n        }));\n        this.masterPlaylistController_.on('error', function () {\n          var player = videojs$1.players[_this3.tech_.options_.playerId];\n          player.error(_this3.masterPlaylistController_.error);\n        }); // `this` in selectPlaylist should be the HlsHandler for backwards\n        // compatibility with < v2\n\n        this.masterPlaylistController_.selectPlaylist = this.selectPlaylist ? this.selectPlaylist.bind(this) : Hls$1.STANDARD_PLAYLIST_SELECTOR.bind(this);\n        this.masterPlaylistController_.selectInitialPlaylist = Hls$1.INITIAL_PLAYLIST_SELECTOR.bind(this); // re-expose some internal objects for backwards compatibility with < v2\n\n        this.playlists = this.masterPlaylistController_.masterPlaylistLoader_;\n        this.mediaSource = this.masterPlaylistController_.mediaSource; // Proxy assignment of some properties to the master playlist\n        // controller. Using a custom property for backwards compatibility\n        // with < v2\n\n        Object.defineProperties(this, {\n          selectPlaylist: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.selectPlaylist;\n            },\n            set: function set$$1(selectPlaylist) {\n              this.masterPlaylistController_.selectPlaylist = selectPlaylist.bind(this);\n            }\n          },\n          throughput: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate;\n            },\n            set: function set$$1(throughput) {\n              this.masterPlaylistController_.mainSegmentLoader_.throughput.rate = throughput; // By setting `count` to 1 the throughput value becomes the starting value\n              // for the cumulative average\n\n              this.masterPlaylistController_.mainSegmentLoader_.throughput.count = 1;\n            }\n          },\n          bandwidth: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.mainSegmentLoader_.bandwidth;\n            },\n            set: function set$$1(bandwidth) {\n              this.masterPlaylistController_.mainSegmentLoader_.bandwidth = bandwidth; // setting the bandwidth manually resets the throughput counter\n              // `count` is set to zero that current value of `rate` isn't included\n              // in the cumulative average\n\n              this.masterPlaylistController_.mainSegmentLoader_.throughput = {\n                rate: 0,\n                count: 0\n              };\n            }\n          },\n\n          /**\n           * `systemBandwidth` is a combination of two serial processes bit-rates. The first\n           * is the network bitrate provided by `bandwidth` and the second is the bitrate of\n           * the entire process after that - decryption, transmuxing, and appending - provided\n           * by `throughput`.\n           *\n           * Since the two process are serial, the overall system bandwidth is given by:\n           *   sysBandwidth = 1 / (1 / bandwidth + 1 / throughput)\n           */\n          systemBandwidth: {\n            get: function get$$1() {\n              var invBandwidth = 1 / (this.bandwidth || 1);\n              var invThroughput = void 0;\n\n              if (this.throughput > 0) {\n                invThroughput = 1 / this.throughput;\n              } else {\n                invThroughput = 0;\n              }\n\n              var systemBitrate = Math.floor(1 / (invBandwidth + invThroughput));\n              return systemBitrate;\n            },\n            set: function set$$1() {\n              videojs$1.log.error('The \"systemBandwidth\" property is read-only');\n            }\n          }\n        });\n\n        if (this.options_.bandwidth) {\n          this.bandwidth = this.options_.bandwidth;\n        }\n\n        if (this.options_.throughput) {\n          this.throughput = this.options_.throughput;\n        }\n\n        Object.defineProperties(this.stats, {\n          bandwidth: {\n            get: function get$$1() {\n              return _this3.bandwidth || 0;\n            },\n            enumerable: true\n          },\n          mediaRequests: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequests_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsAborted: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsAborted_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsTimedout: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsTimedout_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsErrored: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsErrored_() || 0;\n            },\n            enumerable: true\n          },\n          mediaTransferDuration: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaTransferDuration_() || 0;\n            },\n            enumerable: true\n          },\n          mediaBytesTransferred: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaBytesTransferred_() || 0;\n            },\n            enumerable: true\n          },\n          mediaSecondsLoaded: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaSecondsLoaded_() || 0;\n            },\n            enumerable: true\n          },\n          buffered: {\n            get: function get$$1() {\n              return timeRangesToArray(_this3.tech_.buffered());\n            },\n            enumerable: true\n          },\n          currentTime: {\n            get: function get$$1() {\n              return _this3.tech_.currentTime();\n            },\n            enumerable: true\n          },\n          currentSource: {\n            get: function get$$1() {\n              return _this3.tech_.currentSource_;\n            },\n            enumerable: true\n          },\n          currentTech: {\n            get: function get$$1() {\n              return _this3.tech_.name_;\n            },\n            enumerable: true\n          },\n          duration: {\n            get: function get$$1() {\n              return _this3.tech_.duration();\n            },\n            enumerable: true\n          },\n          master: {\n            get: function get$$1() {\n              return _this3.playlists.master;\n            },\n            enumerable: true\n          },\n          playerDimensions: {\n            get: function get$$1() {\n              return _this3.tech_.currentDimensions();\n            },\n            enumerable: true\n          },\n          seekable: {\n            get: function get$$1() {\n              return timeRangesToArray(_this3.tech_.seekable());\n            },\n            enumerable: true\n          },\n          timestamp: {\n            get: function get$$1() {\n              return Date.now();\n            },\n            enumerable: true\n          },\n          videoPlaybackQuality: {\n            get: function get$$1() {\n              return _this3.tech_.getVideoPlaybackQuality();\n            },\n            enumerable: true\n          }\n        });\n        this.tech_.one('canplay', this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_));\n        this.tech_.on('bandwidthupdate', function () {\n          if (_this3.options_.useBandwidthFromLocalStorage) {\n            updateVhsLocalStorage({\n              bandwidth: _this3.bandwidth,\n              throughput: Math.round(_this3.throughput)\n            });\n          }\n        });\n        this.masterPlaylistController_.on('selectedinitialmedia', function () {\n          // Add the manual rendition mix-in to HlsHandler\n          renditionSelectionMixin(_this3);\n          setupEmeOptions(_this3);\n        }); // the bandwidth of the primary segment loader is our best\n        // estimate of overall bandwidth\n\n        this.on(this.masterPlaylistController_, 'progress', function () {\n          this.tech_.trigger('progress');\n        });\n        this.setupQualityLevels_(); // do nothing if the tech has been disposed already\n        // this can occur if someone sets the src in player.ready(), for instance\n\n        if (!this.tech_.el()) {\n          return;\n        }\n\n        this.tech_.src(videojs$1.URL.createObjectURL(this.masterPlaylistController_.mediaSource));\n      }\n      /**\n       * Initializes the quality levels and sets listeners to update them.\n       *\n       * @method setupQualityLevels_\n       * @private\n       */\n\n    }, {\n      key: 'setupQualityLevels_',\n      value: function setupQualityLevels_() {\n        var _this4 = this;\n\n        var player = videojs$1.players[this.tech_.options_.playerId]; // if there isn't a player or there isn't a qualityLevels plugin\n        // or qualityLevels_ listeners have already been setup, do nothing.\n\n        if (!player || !player.qualityLevels || this.qualityLevels_) {\n          return;\n        }\n\n        this.qualityLevels_ = player.qualityLevels();\n        this.masterPlaylistController_.on('selectedinitialmedia', function () {\n          handleHlsLoadedMetadata(_this4.qualityLevels_, _this4);\n        });\n        this.playlists.on('mediachange', function () {\n          handleHlsMediaChange(_this4.qualityLevels_, _this4.playlists);\n        });\n      }\n      /**\n       * Begin playing the video.\n       */\n\n    }, {\n      key: 'play',\n      value: function play() {\n        this.masterPlaylistController_.play();\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'setCurrentTime',\n      value: function setCurrentTime(currentTime) {\n        this.masterPlaylistController_.setCurrentTime(currentTime);\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'duration',\n      value: function duration$$1() {\n        return this.masterPlaylistController_.duration();\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'seekable',\n      value: function seekable$$1() {\n        return this.masterPlaylistController_.seekable();\n      }\n      /**\n       * Abort all outstanding work and cleanup.\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        if (this.playbackWatcher_) {\n          this.playbackWatcher_.dispose();\n        }\n\n        if (this.masterPlaylistController_) {\n          this.masterPlaylistController_.dispose();\n        }\n\n        if (this.qualityLevels_) {\n          this.qualityLevels_.dispose();\n        }\n\n        if (this.player_) {\n          delete this.player_.vhs;\n          delete this.player_.dash;\n          delete this.player_.hls;\n        }\n\n        if (this.tech_ && this.tech_.hls) {\n          delete this.tech_.hls;\n        }\n\n        get$1(HlsHandler.prototype.__proto__ || Object.getPrototypeOf(HlsHandler.prototype), 'dispose', this).call(this);\n      }\n    }, {\n      key: 'convertToProgramTime',\n      value: function convertToProgramTime(time, callback) {\n        return getProgramTime({\n          playlist: this.masterPlaylistController_.media(),\n          time: time,\n          callback: callback\n        });\n      } // the player must be playing before calling this\n\n    }, {\n      key: 'seekToProgramTime',\n      value: function seekToProgramTime$$1(programTime, callback) {\n        var pauseAfterSeek = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;\n        var retryCount = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 2;\n        return seekToProgramTime({\n          programTime: programTime,\n          playlist: this.masterPlaylistController_.media(),\n          retryCount: retryCount,\n          pauseAfterSeek: pauseAfterSeek,\n          seekTo: this.options_.seekTo,\n          tech: this.options_.tech,\n          callback: callback\n        });\n      }\n    }]);\n    return HlsHandler;\n  }(Component$1);\n  /**\n   * The Source Handler object, which informs video.js what additional\n   * MIME types are supported and sets up playback. It is registered\n   * automatically to the appropriate tech based on the capabilities of\n   * the browser it is running in. It is not necessary to use or modify\n   * this object in normal usage.\n   */\n\n\n  var HlsSourceHandler = {\n    name: 'videojs-http-streaming',\n    VERSION: version$1,\n    canHandleSource: function canHandleSource(srcObj) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      var localOptions = videojs$1.mergeOptions(videojs$1.options, options);\n      return HlsSourceHandler.canPlayType(srcObj.type, localOptions);\n    },\n    handleSource: function handleSource(source, tech) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      var localOptions = videojs$1.mergeOptions(videojs$1.options, options);\n      tech.hls = new HlsHandler(source, tech, localOptions);\n      tech.hls.xhr = xhrFactory();\n      tech.hls.src(source.src, source.type);\n      return tech.hls;\n    },\n    canPlayType: function canPlayType(type) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n      var _videojs$mergeOptions = videojs$1.mergeOptions(videojs$1.options, options),\n          overrideNative = _videojs$mergeOptions.hls.overrideNative;\n\n      var supportedType = simpleTypeFromSourceType(type);\n      var canUseMsePlayback = supportedType && (!Hls$1.supportsTypeNatively(supportedType) || overrideNative);\n      return canUseMsePlayback ? 'maybe' : '';\n    }\n  };\n\n  if (typeof videojs$1.MediaSource === 'undefined' || typeof videojs$1.URL === 'undefined') {\n    videojs$1.MediaSource = MediaSource;\n    videojs$1.URL = URL$1;\n  } // register source handlers with the appropriate techs\n\n\n  if (MediaSource.supportsNativeMediaSources()) {\n    videojs$1.getTech('Html5').registerSourceHandler(HlsSourceHandler, 0);\n  }\n\n  videojs$1.HlsHandler = HlsHandler;\n  videojs$1.HlsSourceHandler = HlsSourceHandler;\n  videojs$1.Hls = Hls$1;\n\n  if (!videojs$1.use) {\n    videojs$1.registerComponent('Hls', Hls$1);\n  }\n\n  videojs$1.options.hls = videojs$1.options.hls || {};\n\n  if (videojs$1.registerPlugin) {\n    videojs$1.registerPlugin('reloadSourceOnError', reloadSourceOnError);\n  } else {\n    videojs$1.plugin('reloadSourceOnError', reloadSourceOnError);\n  }\n\n  return videojs$1;\n\n}));\n"],"file":"video-lazy.min.js"}
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/videojs-flash-lazy.min.js b/media/player/videojs/amd/build/videojs-flash-lazy.min.js
index 5a85b068f34..4261a460773 100644
--- a/media/player/videojs/amd/build/videojs-flash-lazy.min.js
+++ b/media/player/videojs/amd/build/videojs-flash-lazy.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}(function(a,b){"object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module?module.exports=b(require("video.js")):"function"==typeof define&&define.amd?define ("media_videojs/videojs-flash-lazy",["media_videojs/video-lazy"],b):a.videojsFlash=b(a.videojs)})(this,function(a){'use strict';a=a&&a.hasOwnProperty("default")?a["default"]:a;var d="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{},e;if("undefined"!=typeof window){e=window}else if("undefined"!=typeof d){e=d}else if("undefined"!=typeof self){e=self}else{e={}}var f=e,g=function(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}},h=function(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function, not "+_typeof(b))}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,enumerable:!1,writable:!0,configurable:!0}});if(b)Object.setPrototypeOf?Object.setPrototypeOf(a,b):a.__proto__=b},j=function(a,b){if(!a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return b&&("object"===_typeof(b)||"function"==typeof b)?b:a},k=a.getComponent("Tech"),l=a.dom,m=a.url,n=a.createTimeRange,o=a.mergeOptions,p=f&&f.navigator||{},q=function(a){h(b,a);function b(c,d){g(this,b);var e=j(this,a.call(this,c,d));if(c.source){e.ready(function(){this.setSource(c.source)},!0)}if(c.startTime){e.ready(function(){this.load();this.play();this.currentTime(c.startTime)},!0)}f.videojs=f.videojs||{};f.videojs.Flash=f.videojs.Flash||{};f.videojs.Flash.onReady=b.onReady;f.videojs.Flash.onEvent=b.onEvent;f.videojs.Flash.onError=b.onError;e.on("seeked",function(){this.lastSeekTarget_=void 0});return e}b.prototype.createEl=function(){var a=this.options_;if(!a.swf){a.swf="https://vjs.zencdn.net/swf/5.4.2/video-js.swf"}var c=a.techId,d=o({readyFunction:"videojs.Flash.onReady",eventProxyFunction:"videojs.Flash.onEvent",errorEventProxyFunction:"videojs.Flash.onError",autoplay:a.autoplay,preload:a.preload,loop:a.loop,muted:a.muted},a.flashVars),e=o({wmode:"opaque",bgcolor:"#000000"},a.params),f=o({id:c,name:c,class:"vjs-tech"},a.attributes);this.el_=b.embed(a.swf,d,e,f);this.el_.tech=this;return this.el_};b.prototype.play=function(){if(this.ended()){this.setCurrentTime(0)}this.el_.vjs_play()};b.prototype.pause=function(){this.el_.vjs_pause()};b.prototype.src=function(a){if(a===void 0){return this.currentSrc()}return this.setSrc(a)};b.prototype.setSrc=function(a){var b=this;a=m.getAbsoluteURL(a);this.el_.vjs_src(a);if(this.autoplay()){this.setTimeout(function(){return b.play()},0)}};b.prototype.seeking=function(){return this.lastSeekTarget_!==void 0};b.prototype.setCurrentTime=function(b){var c=this.seekable();if(c.length){b=b>c.start(0)?b:c.start(0);b=b<c.end(c.length-1)?b:c.end(c.length-1);this.lastSeekTarget_=b;this.trigger("seeking");this.el_.vjs_setProperty("currentTime",b);a.prototype.setCurrentTime.call(this)}};b.prototype.currentTime=function(){if(this.seeking()){return this.lastSeekTarget_||0}return this.el_.vjs_getProperty("currentTime")};b.prototype.currentSrc=function(){if(this.currentSource_){return this.currentSource_.src}return 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diff --git a/media/player/videojs/amd/build/videojs-flash-lazy.min.js.map b/media/player/videojs/amd/build/videojs-flash-lazy.min.js.map
index afbf41cd11a..ffa2673f02a 100644
--- a/media/player/videojs/amd/build/videojs-flash-lazy.min.js.map
+++ b/media/player/videojs/amd/build/videojs-flash-lazy.min.js.map
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* videojs-flash\n * @version 2.2.1\n * @copyright 2020 Brightcove, Inc.\n * @license Apache-2.0\n */\n(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('video.js')) :\n\ttypeof define === 'function' && define.amd ? define(['media_videojs/video-lazy'], factory) :\n\t(global.videojsFlash = factory(global.videojs));\n}(this, (function (videojs) { 'use strict';\n\nvideojs = videojs && videojs.hasOwnProperty('default') ? videojs['default'] : videojs;\n\nvar version = \"5.4.2\";\n\nvar version$1 = \"2.2.1\";\n\n/**\n * @file flash-rtmp.js\n * @module flash-rtmp\n */\n\n/**\n * Add RTMP properties to the {@link Flash} Tech.\n *\n * @param {Flash} Flash\n *        The flash tech class.\n *\n * @mixin FlashRtmpDecorator\n *\n * @return {Flash}\n *         The flash tech with RTMP properties added.\n */\nfunction FlashRtmpDecorator(Flash) {\n  Flash.streamingFormats = {\n    'rtmp/mp4': 'MP4',\n    'rtmp/flv': 'FLV'\n  };\n\n  /**\n   * Join connection and stream with an ampersand.\n   *\n   * @param {string} connection\n   *        The connection string.\n   *\n   * @param {string} stream\n   *        The stream string.\n   *\n   * @return {string}\n   *         The connection and stream joined with an `&` character\n   */\n  Flash.streamFromParts = function (connection, stream) {\n    return connection + '&' + stream;\n  };\n\n  /**\n   * The flash parts object that contains connection and stream info.\n   *\n   * @typedef {Object} Flash~PartsObject\n   *\n   * @property {string} connection\n   *           The connection string of a source, defaults to an empty string.\n   *\n   * @property {string} stream\n   *           The stream string of the source, defaults to an empty string.\n   */\n\n  /**\n   * Convert a source url into a stream and connection parts.\n   *\n   * @param {string} src\n   *        the source url\n   *\n   * @return {Flash~PartsObject}\n   *         The parts object that contains a connection and a stream\n   */\n  Flash.streamToParts = function (src) {\n    var parts = {\n      connection: '',\n      stream: ''\n    };\n\n    if (!src) {\n      return parts;\n    }\n\n    // Look for the normal URL separator we expect, '&'.\n    // If found, we split the URL into two pieces around the\n    // first '&'.\n    var connEnd = src.search(/&(?![\\w-]+=)/);\n    var streamBegin = void 0;\n\n    if (connEnd !== -1) {\n      streamBegin = connEnd + 1;\n    } else {\n      // If there's not a '&', we use the last '/' as the delimiter.\n      connEnd = streamBegin = src.lastIndexOf('/') + 1;\n      if (connEnd === 0) {\n        // really, there's not a '/'?\n        connEnd = streamBegin = src.length;\n      }\n    }\n\n    parts.connection = src.substring(0, connEnd);\n    parts.stream = src.substring(streamBegin, src.length);\n\n    return parts;\n  };\n\n  /**\n   * Check if the source type is a streaming type.\n   *\n   * @param {string} srcType\n   *        The mime type to check.\n   *\n   * @return {boolean}\n   *          - True if the source type is a streaming type.\n   *          - False if the source type is not a streaming type.\n   */\n  Flash.isStreamingType = function (srcType) {\n    return srcType in Flash.streamingFormats;\n  };\n\n  // RTMP has four variations, any string starting\n  // with one of these protocols should be valid\n\n  /**\n   * Regular expression used to check if the source is an rtmp source.\n   *\n   * @property {RegExp} Flash.RTMP_RE\n   */\n  Flash.RTMP_RE = /^rtmp[set]?:\\/\\//i;\n\n  /**\n   * Check if the source itself is a streaming type.\n   *\n   * @param {string} src\n   *        The url to the source.\n   *\n   * @return {boolean}\n   *          - True if the source url indicates that the source is streaming.\n   *          - False if the shource url indicates that the source url is not streaming.\n   */\n  Flash.isStreamingSrc = function (src) {\n    return Flash.RTMP_RE.test(src);\n  };\n\n  /**\n   * A source handler for RTMP urls\n   * @type {Object}\n   */\n  Flash.rtmpSourceHandler = {};\n\n  /**\n   * Check if Flash can play the given mime type.\n   *\n   * @param {string} type\n   *        The mime type to check\n   *\n   * @return {string}\n   *         'maybe', or '' (empty string)\n   */\n  Flash.rtmpSourceHandler.canPlayType = function (type) {\n    if (Flash.isStreamingType(type)) {\n      return 'maybe';\n    }\n\n    return '';\n  };\n\n  /**\n   * Check if Flash can handle the source natively\n   *\n   * @param {Object} source\n   *        The source object\n   *\n   * @param {Object} [options]\n   *        The options passed to the tech\n   *\n   * @return {string}\n   *         'maybe', or '' (empty string)\n   */\n  Flash.rtmpSourceHandler.canHandleSource = function (source, options) {\n    var can = Flash.rtmpSourceHandler.canPlayType(source.type);\n\n    if (can) {\n      return can;\n    }\n\n    if (Flash.isStreamingSrc(source.src)) {\n      return 'maybe';\n    }\n\n    return '';\n  };\n\n  /**\n   * Pass the source to the flash object.\n   *\n   * @param {Object} source\n   *        The source object\n   *\n   * @param {Flash} tech\n   *        The instance of the Flash tech\n   *\n   * @param {Object} [options]\n   *        The options to pass to the source\n   */\n  Flash.rtmpSourceHandler.handleSource = function (source, tech, options) {\n    var srcParts = Flash.streamToParts(source.src);\n\n    tech.setRtmpConnection(srcParts.connection);\n    tech.setRtmpStream(srcParts.stream);\n  };\n\n  // Register the native source handler\n  Flash.registerSourceHandler(Flash.rtmpSourceHandler);\n\n  return Flash;\n}\n\nvar commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};\n\nvar win;\n\nif (typeof window !== \"undefined\") {\n    win = window;\n} else if (typeof commonjsGlobal !== \"undefined\") {\n    win = commonjsGlobal;\n} else if (typeof self !== \"undefined\"){\n    win = self;\n} else {\n    win = {};\n}\n\nvar window_1 = win;\n\nvar classCallCheck = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\nvar inherits = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n  }\n\n  subClass.prototype = Object.create(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n};\n\nvar possibleConstructorReturn = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n};\n\n/**\n * @file flash.js\n * VideoJS-SWF - Custom Flash Player with HTML5-ish API\n * https://github.com/zencoder/video-js-swf\n * Not using setupTriggers. Using global onEvent func to distribute events\n */\n\nvar Tech = videojs.getComponent('Tech');\nvar Dom = videojs.dom;\nvar Url = videojs.url;\nvar createTimeRange = videojs.createTimeRange;\nvar mergeOptions = videojs.mergeOptions;\n\nvar navigator = window_1 && window_1.navigator || {};\n\n/**\n * Flash Media Controller - Wrapper for Flash Media API\n *\n * @mixes FlashRtmpDecorator\n * @mixes Tech~SouceHandlerAdditions\n * @extends Tech\n */\n\nvar Flash = function (_Tech) {\n  inherits(Flash, _Tech);\n\n  /**\n  * Create an instance of this Tech.\n  *\n  * @param {Object} [options]\n  *        The key/value store of player options.\n  *\n  * @param {Component~ReadyCallback} ready\n  *        Callback function to call when the `Flash` Tech is ready.\n  */\n  function Flash(options, ready) {\n    classCallCheck(this, Flash);\n\n    // Set the source when ready\n    var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));\n\n    if (options.source) {\n      _this.ready(function () {\n        this.setSource(options.source);\n      }, true);\n    }\n\n    // Having issues with Flash reloading on certain page actions\n    // (hide/resize/fullscreen) in certain browsers\n    // This allows resetting the playhead when we catch the reload\n    if (options.startTime) {\n      _this.ready(function () {\n        this.load();\n        this.play();\n        this.currentTime(options.startTime);\n      }, true);\n    }\n\n    // Add global window functions that the swf expects\n    // A 4.x workflow we weren't able to solve for in 5.0\n    // because of the need to hard code these functions\n    // into the swf for security reasons\n    window_1.videojs = window_1.videojs || {};\n    window_1.videojs.Flash = window_1.videojs.Flash || {};\n    window_1.videojs.Flash.onReady = Flash.onReady;\n    window_1.videojs.Flash.onEvent = Flash.onEvent;\n    window_1.videojs.Flash.onError = Flash.onError;\n\n    _this.on('seeked', function () {\n      this.lastSeekTarget_ = undefined;\n    });\n\n    return _this;\n  }\n\n  /**\n   * Create the `Flash` Tech's DOM element.\n   *\n   * @return {Element}\n   *         The element that gets created.\n   */\n\n\n  Flash.prototype.createEl = function createEl() {\n    var options = this.options_;\n\n    // If video.js is hosted locally you should also set the location\n    // for the hosted swf, which should be relative to the page (not video.js)\n    // Otherwise this adds a CDN url.\n    // The CDN also auto-adds a swf URL for that specific version.\n    if (!options.swf) {\n      options.swf = 'https://vjs.zencdn.net/swf/' + version + '/video-js.swf';\n    }\n\n    // Generate ID for swf object\n    var objId = options.techId;\n\n    // Merge default flashvars with ones passed in to init\n    var flashVars = mergeOptions({\n\n      // SWF Callback Functions\n      readyFunction: 'videojs.Flash.onReady',\n      eventProxyFunction: 'videojs.Flash.onEvent',\n      errorEventProxyFunction: 'videojs.Flash.onError',\n\n      // Player Settings\n      autoplay: options.autoplay,\n      preload: options.preload,\n      loop: options.loop,\n      muted: options.muted\n\n    }, options.flashVars);\n\n    // Merge default parames with ones passed in\n    var params = mergeOptions({\n      // Opaque is needed to overlay controls, but can affect playback performance\n      wmode: 'opaque',\n      // Using bgcolor prevents a white flash when the object is loading\n      bgcolor: '#000000'\n    }, options.params);\n\n    // Merge default attributes with ones passed in\n    var attributes = mergeOptions({\n      // Both ID and Name needed or swf to identify itself\n      id: objId,\n      name: objId,\n      'class': 'vjs-tech'\n    }, options.attributes);\n\n    this.el_ = Flash.embed(options.swf, flashVars, params, attributes);\n    this.el_.tech = this;\n\n    return this.el_;\n  };\n\n  /**\n   * Called by {@link Player#play} to play using the `Flash` `Tech`.\n   */\n\n\n  Flash.prototype.play = function play() {\n    if (this.ended()) {\n      this.setCurrentTime(0);\n    }\n    this.el_.vjs_play();\n  };\n\n  /**\n   * Called by {@link Player#pause} to pause using the `Flash` `Tech`.\n   */\n\n\n  Flash.prototype.pause = function pause() {\n    this.el_.vjs_pause();\n  };\n\n  /**\n   * A getter/setter for the `Flash` Tech's source object.\n   * > Note: Please use {@link Flash#setSource}\n   *\n   * @param {Tech~SourceObject} [src]\n   *        The source object you want to set on the `Flash` techs.\n   *\n   * @return {Tech~SourceObject|undefined}\n   *         - The current source object when a source is not passed in.\n   *         - undefined when setting\n   *\n   * @deprecated Since version 5.\n   */\n\n\n  Flash.prototype.src = function src(_src) {\n    if (_src === undefined) {\n      return this.currentSrc();\n    }\n\n    // Setting src through `src` not `setSrc` will be deprecated\n    return this.setSrc(_src);\n  };\n\n  /**\n   * A getter/setter for the `Flash` Tech's source object.\n   *\n   * @param {Tech~SourceObject} [src]\n   *        The source object you want to set on the `Flash` techs.\n   */\n\n\n  Flash.prototype.setSrc = function setSrc(src) {\n    var _this2 = this;\n\n    // Make sure source URL is absolute.\n    src = Url.getAbsoluteURL(src);\n    this.el_.vjs_src(src);\n\n    // Currently the SWF doesn't autoplay if you load a source later.\n    // e.g. Load player w/ no source, wait 2s, set src.\n    if (this.autoplay()) {\n      this.setTimeout(function () {\n        return _this2.play();\n      }, 0);\n    }\n  };\n\n  /**\n   * Indicates whether the media is currently seeking to a new position or not.\n   *\n   * @return {boolean}\n   *         - True if seeking to a new position\n   *         - False otherwise\n   */\n\n\n  Flash.prototype.seeking = function seeking() {\n    return this.lastSeekTarget_ !== undefined;\n  };\n\n  /**\n   * Returns the current time in seconds that the media is at in playback.\n   *\n   * @param {number} time\n   *        Current playtime of the media in seconds.\n   */\n\n\n  Flash.prototype.setCurrentTime = function setCurrentTime(time) {\n    var seekable = this.seekable();\n\n    if (seekable.length) {\n      // clamp to the current seekable range\n      time = time > seekable.start(0) ? time : seekable.start(0);\n      time = time < seekable.end(seekable.length - 1) ? time : seekable.end(seekable.length - 1);\n\n      this.lastSeekTarget_ = time;\n      this.trigger('seeking');\n      this.el_.vjs_setProperty('currentTime', time);\n      _Tech.prototype.setCurrentTime.call(this);\n    }\n  };\n\n  /**\n   * Get the current playback time in seconds\n   *\n   * @return {number}\n   *         The current time of playback in seconds.\n   */\n\n\n  Flash.prototype.currentTime = function currentTime() {\n    // when seeking make the reported time keep up with the requested time\n    // by reading the time we're seeking to\n    if (this.seeking()) {\n      return this.lastSeekTarget_ || 0;\n    }\n    return this.el_.vjs_getProperty('currentTime');\n  };\n\n  /**\n   * Get the current source\n   *\n   * @method currentSrc\n   * @return {Tech~SourceObject}\n   *         The current source\n   */\n\n\n  Flash.prototype.currentSrc = function currentSrc() {\n    if (this.currentSource_) {\n      return this.currentSource_.src;\n    }\n    return this.el_.vjs_getProperty('currentSrc');\n  };\n\n  /**\n   * Get the total duration of the current media.\n   *\n   * @return {number}\n   8          The total duration of the current media.\n   */\n\n\n  Flash.prototype.duration = function duration() {\n    if (this.readyState() === 0) {\n      return NaN;\n    }\n    var duration = this.el_.vjs_getProperty('duration');\n\n    return duration >= 0 ? duration : Infinity;\n  };\n\n  /**\n   * Load media into Tech.\n   */\n\n\n  Flash.prototype.load = function load() {\n    this.el_.vjs_load();\n  };\n\n  /**\n   * Get the poster image that was set on the tech.\n   */\n\n\n  Flash.prototype.poster = function poster() {\n    this.el_.vjs_getProperty('poster');\n  };\n\n  /**\n   * Poster images are not handled by the Flash tech so make this is a no-op.\n   */\n\n\n  Flash.prototype.setPoster = function setPoster() {};\n\n  /**\n   * Determine the time ranges that can be seeked to in the media.\n   *\n   * @return {TimeRange}\n   *         Returns the time ranges that can be seeked to.\n   */\n\n\n  Flash.prototype.seekable = function seekable() {\n    var duration = this.duration();\n\n    if (duration === 0) {\n      return createTimeRange();\n    }\n    return createTimeRange(0, duration);\n  };\n\n  /**\n   * Get and create a `TimeRange` object for buffering.\n   *\n   * @return {TimeRange}\n   *         The time range object that was created.\n   */\n\n\n  Flash.prototype.buffered = function buffered() {\n    var ranges = this.el_.vjs_getProperty('buffered');\n\n    if (ranges.length === 0) {\n      return createTimeRange();\n    }\n    return createTimeRange(ranges[0][0], ranges[0][1]);\n  };\n\n  /**\n   * Get fullscreen support -\n   *\n   * Flash does not allow fullscreen through javascript\n   * so this always returns false.\n   *\n   * @return {boolean}\n   *         The Flash tech does not support fullscreen, so it will always return false.\n   */\n\n\n  Flash.prototype.supportsFullScreen = function supportsFullScreen() {\n    // Flash does not allow fullscreen through javascript\n    return false;\n  };\n\n  /**\n   * Flash does not allow fullscreen through javascript\n   * so this always returns false.\n   *\n   * @return {boolean}\n   *         The Flash tech does not support fullscreen, so it will always return false.\n   */\n\n\n  Flash.prototype.enterFullScreen = function enterFullScreen() {\n    return false;\n  };\n\n  /**\n   * Gets available media playback quality metrics as specified by the W3C's Media\n   * Playback Quality API.\n   *\n   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n   *\n   * @return {Object}\n   *         An object with supported media playback quality metrics\n   */\n\n\n  Flash.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n    var videoPlaybackQuality = this.el_.vjs_getProperty('getVideoPlaybackQuality');\n\n    if (window_1.performance && typeof window_1.performance.now === 'function') {\n      videoPlaybackQuality.creationTime = window_1.performance.now();\n    } else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') {\n      videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart;\n    }\n\n    return videoPlaybackQuality;\n  };\n\n  return Flash;\n}(Tech);\n\n// Create setters and getters for attributes\n\n\nvar _readWrite = ['rtmpConnection', 'rtmpStream', 'preload', 'defaultPlaybackRate', 'playbackRate', 'autoplay', 'loop', 'controls', 'volume', 'muted', 'defaultMuted'];\nvar _readOnly = ['networkState', 'readyState', 'initialTime', 'startOffsetTime', 'paused', 'ended', 'videoWidth', 'videoHeight'];\nvar _api = Flash.prototype;\n\n/**\n * Create setters for the swf on the element\n *\n * @param {string} attr\n *        The name of the parameter\n *\n * @private\n */\nfunction _createSetter(attr) {\n  var attrUpper = attr.charAt(0).toUpperCase() + attr.slice(1);\n\n  _api['set' + attrUpper] = function (val) {\n    return this.el_.vjs_setProperty(attr, val);\n  };\n}\n\n/**\n * Create getters for the swf on the element\n *\n * @param {string} attr\n *        The name of the parameter\n *\n * @private\n */\nfunction _createGetter(attr) {\n  _api[attr] = function () {\n    return this.el_.vjs_getProperty(attr);\n  };\n}\n\n// Create getter and setters for all read/write attributes\nfor (var i = 0; i < _readWrite.length; i++) {\n  _createGetter(_readWrite[i]);\n  _createSetter(_readWrite[i]);\n}\n\n// Create getters for read-only attributes\nfor (var _i = 0; _i < _readOnly.length; _i++) {\n  _createGetter(_readOnly[_i]);\n}\n\n/** ------------------------------ Getters ------------------------------ **/\n/**\n * Get the value of `rtmpConnection` from the swf.\n *\n * @method Flash#rtmpConnection\n * @return {string}\n *         The current value of `rtmpConnection` on the swf.\n */\n\n/**\n * Get the value of `rtmpStream` from the swf.\n *\n * @method Flash#rtmpStream\n * @return {string}\n *         The current value of `rtmpStream` on the swf.\n */\n\n/**\n * Get the value of `preload` from the swf. `preload` indicates\n * what should download before the media is interacted with. It can have the following\n * values:\n * - none: nothing should be downloaded\n * - metadata: poster and the first few frames of the media may be downloaded to get\n *   media dimensions and other metadata\n * - auto: allow the media and metadata for the media to be downloaded before\n *    interaction\n *\n * @method Flash#preload\n * @return {string}\n *         The value of `preload` from the swf. Will be 'none', 'metadata',\n *         or 'auto'.\n */\n\n/**\n * Get the value of `defaultPlaybackRate` from the swf.\n *\n * @method Flash#defaultPlaybackRate\n * @return {number}\n *         The current value of `defaultPlaybackRate` on the swf.\n */\n\n/**\n * Get the value of `playbackRate` from the swf. `playbackRate` indicates\n * the rate at which the media is currently playing back. Examples:\n *   - if playbackRate is set to 2, media will play twice as fast.\n *   - if playbackRate is set to 0.5, media will play half as fast.\n *\n * @method Flash#playbackRate\n * @return {number}\n *         The value of `playbackRate` from the swf. A number indicating\n *         the current playback speed of the media, where 1 is normal speed.\n */\n\n/**\n * Get the value of `autoplay` from the swf. `autoplay` indicates\n * that the media should start to play as soon as the page is ready.\n *\n * @method Flash#autoplay\n * @return {boolean}\n *         - The value of `autoplay` from the swf.\n *         - True indicates that the media ashould start as soon as the page loads.\n *         - False indicates that the media should not start as soon as the page loads.\n */\n\n/**\n * Get the value of `loop` from the swf. `loop` indicates\n * that the media should return to the start of the media and continue playing once\n * it reaches the end.\n *\n * @method Flash#loop\n * @return {boolean}\n *         - The value of `loop` from the swf.\n *         - True indicates that playback should seek back to start once\n *           the end of a media is reached.\n *         - False indicates that playback should not loop back to the start when the\n *           end of the media is reached.\n */\n\n/**\n * Get the value of `mediaGroup` from the swf.\n *\n * @method Flash#mediaGroup\n * @return {string}\n *         The current value of `mediaGroup` on the swf.\n */\n\n/**\n * Get the value of `controller` from the swf.\n *\n * @method Flash#controller\n * @return {string}\n *         The current value of `controller` on the swf.\n */\n\n/**\n * Get the value of `controls` from the swf. `controls` indicates\n * whether the native flash controls should be shown or hidden.\n *\n * @method Flash#controls\n * @return {boolean}\n *         - The value of `controls` from the swf.\n *         - True indicates that native controls should be showing.\n *         - False indicates that native controls should be hidden.\n */\n\n/**\n * Get the value of the `volume` from the swf. `volume` indicates the current\n * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n * so on.\n *\n * @method Flash#volume\n * @return {number}\n *         The volume percent as a decimal. Value will be between 0-1.\n */\n\n/**\n * Get the value of the `muted` from the swf. `muted` indicates the current\n * audio level should be silent.\n *\n * @method Flash#muted\n * @return {boolean}\n *         - True if the audio should be set to silent\n *         - False otherwise\n */\n\n/**\n * Get the value of `defaultMuted` from the swf. `defaultMuted` indicates\n * whether the media should start muted or not. Only changes the default state of the\n * media. `muted` and `defaultMuted` can have different values. `muted` indicates the\n * current state.\n *\n * @method Flash#defaultMuted\n * @return {boolean}\n *         - The value of `defaultMuted` from the swf.\n *         - True indicates that the media should start muted.\n *         - False indicates that the media should not start muted.\n */\n\n/**\n * Get the value of `networkState` from the swf. `networkState` indicates\n * the current network state. It returns an enumeration from the following list:\n * - 0: NETWORK_EMPTY\n * - 1: NEWORK_IDLE\n * - 2: NETWORK_LOADING\n * - 3: NETWORK_NO_SOURCE\n *\n * @method Flash#networkState\n * @return {number}\n *         The value of `networkState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `readyState` from the swf. `readyState` indicates\n * the current state of the media element. It returns an enumeration from the\n * following list:\n * - 0: HAVE_NOTHING\n * - 1: HAVE_METADATA\n * - 2: HAVE_CURRENT_DATA\n * - 3: HAVE_FUTURE_DATA\n * - 4: HAVE_ENOUGH_DATA\n *\n * @method Flash#readyState\n * @return {number}\n *         The value of `readyState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `readyState` from the swf. `readyState` indicates\n * the current state of the media element. It returns an enumeration from the\n * following list:\n * - 0: HAVE_NOTHING\n * - 1: HAVE_METADATA\n * - 2: HAVE_CURRENT_DATA\n * - 3: HAVE_FUTURE_DATA\n * - 4: HAVE_ENOUGH_DATA\n *\n * @method Flash#readyState\n * @return {number}\n *         The value of `readyState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `initialTime` from the swf.\n *\n * @method Flash#initialTime\n * @return {number}\n *         The `initialTime` proprety on the swf.\n */\n\n/**\n * Get the value of `startOffsetTime` from the swf.\n *\n * @method Flash#startOffsetTime\n * @return {number}\n *         The `startOffsetTime` proprety on the swf.\n */\n\n/**\n * Get the value of `paused` from the swf. `paused` indicates whether the swf\n * is current paused or not.\n *\n * @method Flash#paused\n * @return {boolean}\n *         The value of `paused` from the swf.\n */\n\n/**\n * Get the value of `ended` from the swf. `ended` indicates whether\n * the media has reached the end or not.\n *\n * @method Flash#ended\n * @return {boolean}\n *         - True indicates that the media has ended.\n *         - False indicates that the media has not ended.\n *\n * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}\n */\n\n/**\n * Get the value of `videoWidth` from the swf. `videoWidth` indicates\n * the current width of the media in css pixels.\n *\n * @method Flash#videoWidth\n * @return {number}\n *         The value of `videoWidth` from the swf. This will be a number\n *         in css pixels.\n */\n\n/**\n * Get the value of `videoHeight` from the swf. `videoHeigth` indicates\n * the current height of the media in css pixels.\n *\n * @method Flassh.prototype.videoHeight\n * @return {number}\n *         The value of `videoHeight` from the swf. This will be a number\n *         in css pixels.\n */\n/** ------------------------------ Setters ------------------------------ **/\n\n/**\n * Set the value of `rtmpConnection` on the swf.\n *\n * @method Flash#setRtmpConnection\n * @param {string} rtmpConnection\n *        New value to set the `rtmpConnection` property to.\n */\n\n/**\n * Set the value of `rtmpStream` on the swf.\n *\n * @method Flash#setRtmpStream\n * @param {string} rtmpStream\n *        New value to set the `rtmpStream` property to.\n */\n\n/**\n * Set the value of `preload` on the swf. `preload` indicates\n * what should download before the media is interacted with. It can have the following\n * values:\n * - none: nothing should be downloaded\n * - metadata: poster and the first few frames of the media may be downloaded to get\n *   media dimensions and other metadata\n * - auto: allow the media and metadata for the media to be downloaded before\n *    interaction\n *\n * @method Flash#setPreload\n * @param {string} preload\n *        The value of `preload` to set on the swf. Should be 'none', 'metadata',\n *        or 'auto'.\n */\n\n/**\n * Set the value of `defaultPlaybackRate` on the swf.\n *\n * @method Flash#setDefaultPlaybackRate\n * @param {number} defaultPlaybackRate\n *        New value to set the `defaultPlaybackRate` property to.\n */\n\n/**\n * Set the value of `playbackRate` on the swf. `playbackRate` indicates\n * the rate at which the media is currently playing back. Examples:\n *   - if playbackRate is set to 2, media will play twice as fast.\n *   - if playbackRate is set to 0.5, media will play half as fast.\n *\n * @method Flash#setPlaybackRate\n * @param {number} playbackRate\n *        New value of `playbackRate` on the swf. A number indicating\n *        the current playback speed of the media, where 1 is normal speed.\n */\n\n/**\n * Set the value of `autoplay` on the swf. `autoplay` indicates\n * that the media should start to play as soon as the page is ready.\n *\n * @method Flash#setAutoplay\n * @param {boolean} autoplay\n *        - The value of `autoplay` from the swf.\n *        - True indicates that the media ashould start as soon as the page loads.\n *        - False indicates that the media should not start as soon as the page loads.\n */\n\n/**\n * Set the value of `loop` on the swf. `loop` indicates\n * that the media should return to the start of the media and continue playing once\n * it reaches the end.\n *\n * @method Flash#setLoop\n * @param {boolean} loop\n *        - True indicates that playback should seek back to start once\n *          the end of a media is reached.\n *        - False indicates that playback should not loop back to the start when the\n *          end of the media is reached.\n */\n\n/**\n * Set the value of `mediaGroup` on the swf.\n *\n * @method Flash#setMediaGroup\n * @param {string} mediaGroup\n *        New value of `mediaGroup` to set on the swf.\n */\n\n/**\n * Set the value of `controller` on the swf.\n *\n * @method Flash#setController\n * @param {string} controller\n *        New value the current value of `controller` on the swf.\n */\n\n/**\n * Get the value of `controls` from the swf. `controls` indicates\n * whether the native flash controls should be shown or hidden.\n *\n * @method Flash#controls\n * @return {boolean}\n *         - The value of `controls` from the swf.\n *         - True indicates that native controls should be showing.\n *         - False indicates that native controls should be hidden.\n */\n\n/**\n * Set the value of the `volume` on the swf. `volume` indicates the current\n * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n * so on.\n *\n * @method Flash#setVolume\n * @param {number} percentAsDecimal\n *         The volume percent as a decimal. Value will be between 0-1.\n */\n\n/**\n * Set the value of the `muted` on the swf. `muted` indicates that the current\n * audio level should be silent.\n *\n * @method Flash#setMuted\n * @param {boolean} muted\n *         - True if the audio should be set to silent\n *         - False otherwise\n */\n\n/**\n * Set the value of `defaultMuted` on the swf. `defaultMuted` indicates\n * whether the media should start muted or not. Only changes the default state of the\n * media. `muted` and `defaultMuted` can have different values. `muted` indicates the\n * current state.\n *\n * @method Flash#setDefaultMuted\n * @param {boolean} defaultMuted\n *         - True indicates that the media should start muted.\n *         - False indicates that the media should not start muted.\n */\n\n/* Flash Support Testing -------------------------------------------------------- */\n\n/**\n * Check if the Flash tech is currently supported.\n *\n * @return {boolean}\n *          - True for Chrome and Safari Desktop and Microsoft Edge and if flash tech is supported\n *          - False otherwise\n */\nFlash.isSupported = function () {\n  // for Chrome Desktop and Safari Desktop\n  if (videojs.browser.IS_CHROME && (!videojs.browser.IS_ANDROID || !videojs.browser.IS_IOS) || videojs.browser.IS_SAFARI && !videojs.browser.IS_IOS || videojs.browser.IS_EDGE) {\n    return true;\n  }\n  // for other browsers\n  return Flash.version()[0] >= 10;\n};\n\n// Add Source Handler pattern functions to this tech\nTech.withSourceHandlers(Flash);\n\n/*\n * Native source handler for flash,  simply passes the source to the swf element.\n *\n * @property {Tech~SourceObject} source\n *           The source object\n *\n * @property {Flash} tech\n *           The instance of the Flash tech\n */\nFlash.nativeSourceHandler = {};\n\n/**\n * Check if the Flash can play the given mime type.\n *\n * @param {string} type\n *        The mimetype to check\n *\n * @return {string}\n *         'maybe', or '' (empty string)\n */\nFlash.nativeSourceHandler.canPlayType = function (type) {\n  if (type in Flash.formats) {\n    return 'maybe';\n  }\n\n  return '';\n};\n\n/**\n * Check if the media element can handle a source natively.\n *\n * @param {Tech~SourceObject} source\n *         The source object\n *\n * @param {Object} [options]\n *         Options to be passed to the tech.\n *\n * @return {string}\n *         'maybe', or '' (empty string).\n */\nFlash.nativeSourceHandler.canHandleSource = function (source, options) {\n  var type = void 0;\n\n  /**\n   * Guess the mime type of a file if it does not have one\n   *\n   * @param {Tech~SourceObject} src\n   *        The source object to guess the mime type for\n   *\n   * @return {string}\n   *         The mime type that was guessed\n   */\n  function guessMimeType(src) {\n    var ext = Url.getFileExtension(src);\n\n    if (ext) {\n      return 'video/' + ext;\n    }\n    return '';\n  }\n\n  if (!source.type) {\n    type = guessMimeType(source.src);\n  } else {\n    // Strip code information from the type because we don't get that specific\n    type = source.type.replace(/;.*/, '').toLowerCase();\n  }\n\n  return Flash.nativeSourceHandler.canPlayType(type);\n};\n\n/**\n * Pass the source to the swf.\n *\n * @param {Tech~SourceObject} source\n *        The source object\n *\n * @param {Flash} tech\n *        The instance of the Flash tech\n *\n * @param {Object} [options]\n *        The options to pass to the source\n */\nFlash.nativeSourceHandler.handleSource = function (source, tech, options) {\n  tech.setSrc(source.src);\n};\n\n/**\n * noop for native source handler dispose, as cleanup will happen automatically.\n */\nFlash.nativeSourceHandler.dispose = function () {};\n\n// Register the native source handler\nFlash.registerSourceHandler(Flash.nativeSourceHandler);\n\n/**\n * Flash supported mime types.\n *\n * @constant {Object}\n */\nFlash.formats = {\n  'video/flv': 'FLV',\n  'video/x-flv': 'FLV',\n  'video/mp4': 'MP4',\n  'video/m4v': 'MP4'\n};\n\n/**\n * Called when the the swf is \"ready\", and makes sure that the swf is really\n * ready using {@link Flash#checkReady}\n *\n * @param {Object} currSwf\n *        The current swf object\n */\nFlash.onReady = function (currSwf) {\n  var el = Dom.$('#' + currSwf);\n  var tech = el && el.tech;\n\n  // if there is no el then the tech has been disposed\n  // and the tech element was removed from the player div\n  if (tech && tech.el()) {\n    // check that the flash object is really ready\n    Flash.checkReady(tech);\n  }\n};\n\n/**\n * The SWF isn't always ready when it says it is. Sometimes the API functions still\n * need to be added to the object. If it's not ready, we set a timeout to check again\n * shortly.\n *\n * @param {Flash} tech\n *        The instance of the flash tech to check.\n */\nFlash.checkReady = function (tech) {\n  // stop worrying if the tech has been disposed\n  if (!tech.el()) {\n    return;\n  }\n\n  // check if API property exists\n  if (tech.el().vjs_getProperty) {\n    // tell tech it's ready\n    tech.triggerReady();\n  } else {\n    // wait longer\n    this.setTimeout(function () {\n      Flash.checkReady(tech);\n    }, 50);\n  }\n};\n\n/**\n * Trigger events from the swf on the Flash Tech.\n *\n * @param {number} swfID\n *        The id of the swf that had the event\n *\n * @param {string} eventName\n *        The name of the event to trigger\n */\nFlash.onEvent = function (swfID, eventName) {\n  var tech = Dom.$('#' + swfID).tech;\n  var args = Array.prototype.slice.call(arguments, 2);\n\n  // dispatch Flash events asynchronously for two reasons:\n  // - Flash swallows any exceptions generated by javascript it\n  //   invokes\n  // - 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* videojs-flash\n * @version 2.2.1\n * @copyright 2020 Brightcove, Inc.\n * @license Apache-2.0\n */\n(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('video.js')) :\n\ttypeof define === 'function' && define.amd ? define(['media_videojs/video-lazy'], factory) :\n\t(global.videojsFlash = factory(global.videojs));\n}(this, (function (videojs) { 'use strict';\n\nvideojs = videojs && videojs.hasOwnProperty('default') ? videojs['default'] : videojs;\n\nvar version = \"5.4.2\";\n\nvar version$1 = \"2.2.1\";\n\n/**\n * @file flash-rtmp.js\n * @module flash-rtmp\n */\n\n/**\n * Add RTMP properties to the {@link Flash} Tech.\n *\n * @param {Flash} Flash\n *        The flash tech class.\n *\n * @mixin FlashRtmpDecorator\n *\n * @return {Flash}\n *         The flash tech with RTMP properties added.\n */\nfunction FlashRtmpDecorator(Flash) {\n  Flash.streamingFormats = {\n    'rtmp/mp4': 'MP4',\n    'rtmp/flv': 'FLV'\n  };\n\n  /**\n   * Join connection and stream with an ampersand.\n   *\n   * @param {string} connection\n   *        The connection string.\n   *\n   * @param {string} stream\n   *        The stream string.\n   *\n   * @return {string}\n   *         The connection and stream joined with an `&` character\n   */\n  Flash.streamFromParts = function (connection, stream) {\n    return connection + '&' + stream;\n  };\n\n  /**\n   * The flash parts object that contains connection and stream info.\n   *\n   * @typedef {Object} Flash~PartsObject\n   *\n   * @property {string} connection\n   *           The connection string of a source, defaults to an empty string.\n   *\n   * @property {string} stream\n   *           The stream string of the source, defaults to an empty string.\n   */\n\n  /**\n   * Convert a source url into a stream and connection parts.\n   *\n   * @param {string} src\n   *        the source url\n   *\n   * @return {Flash~PartsObject}\n   *         The parts object that contains a connection and a stream\n   */\n  Flash.streamToParts = function (src) {\n    var parts = {\n      connection: '',\n      stream: ''\n    };\n\n    if (!src) {\n      return parts;\n    }\n\n    // Look for the normal URL separator we expect, '&'.\n    // If found, we split the URL into two pieces around the\n    // first '&'.\n    var connEnd = src.search(/&(?![\\w-]+=)/);\n    var streamBegin = void 0;\n\n    if (connEnd !== -1) {\n      streamBegin = connEnd + 1;\n    } else {\n      // If there's not a '&', we use the last '/' as the delimiter.\n      connEnd = streamBegin = src.lastIndexOf('/') + 1;\n      if (connEnd === 0) {\n        // really, there's not a '/'?\n        connEnd = streamBegin = src.length;\n      }\n    }\n\n    parts.connection = src.substring(0, connEnd);\n    parts.stream = src.substring(streamBegin, src.length);\n\n    return parts;\n  };\n\n  /**\n   * Check if the source type is a streaming type.\n   *\n   * @param {string} srcType\n   *        The mime type to check.\n   *\n   * @return {boolean}\n   *          - True if the source type is a streaming type.\n   *          - False if the source type is not a streaming type.\n   */\n  Flash.isStreamingType = function (srcType) {\n    return srcType in Flash.streamingFormats;\n  };\n\n  // RTMP has four variations, any string starting\n  // with one of these protocols should be valid\n\n  /**\n   * Regular expression used to check if the source is an rtmp source.\n   *\n   * @property {RegExp} Flash.RTMP_RE\n   */\n  Flash.RTMP_RE = /^rtmp[set]?:\\/\\//i;\n\n  /**\n   * Check if the source itself is a streaming type.\n   *\n   * @param {string} src\n   *        The url to the source.\n   *\n   * @return {boolean}\n   *          - True if the source url indicates that the source is streaming.\n   *          - False if the shource url indicates that the source url is not streaming.\n   */\n  Flash.isStreamingSrc = function (src) {\n    return Flash.RTMP_RE.test(src);\n  };\n\n  /**\n   * A source handler for RTMP urls\n   * @type {Object}\n   */\n  Flash.rtmpSourceHandler = {};\n\n  /**\n   * Check if Flash can play the given mime type.\n   *\n   * @param {string} type\n   *        The mime type to check\n   *\n   * @return {string}\n   *         'maybe', or '' (empty string)\n   */\n  Flash.rtmpSourceHandler.canPlayType = function (type) {\n    if (Flash.isStreamingType(type)) {\n      return 'maybe';\n    }\n\n    return '';\n  };\n\n  /**\n   * Check if Flash can handle the source natively\n   *\n   * @param {Object} source\n   *        The source object\n   *\n   * @param {Object} [options]\n   *        The options passed to the tech\n   *\n   * @return {string}\n   *         'maybe', or '' (empty string)\n   */\n  Flash.rtmpSourceHandler.canHandleSource = function (source, options) {\n    var can = Flash.rtmpSourceHandler.canPlayType(source.type);\n\n    if (can) {\n      return can;\n    }\n\n    if (Flash.isStreamingSrc(source.src)) {\n      return 'maybe';\n    }\n\n    return '';\n  };\n\n  /**\n   * Pass the source to the flash object.\n   *\n   * @param {Object} source\n   *        The source object\n   *\n   * @param {Flash} tech\n   *        The instance of the Flash tech\n   *\n   * @param {Object} [options]\n   *        The options to pass to the source\n   */\n  Flash.rtmpSourceHandler.handleSource = function (source, tech, options) {\n    var srcParts = Flash.streamToParts(source.src);\n\n    tech.setRtmpConnection(srcParts.connection);\n    tech.setRtmpStream(srcParts.stream);\n  };\n\n  // Register the native source handler\n  Flash.registerSourceHandler(Flash.rtmpSourceHandler);\n\n  return Flash;\n}\n\nvar commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};\n\nvar win;\n\nif (typeof window !== \"undefined\") {\n    win = window;\n} else if (typeof commonjsGlobal !== \"undefined\") {\n    win = commonjsGlobal;\n} else if (typeof self !== \"undefined\"){\n    win = self;\n} else {\n    win = {};\n}\n\nvar window_1 = win;\n\nvar classCallCheck = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\nvar inherits = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n  }\n\n  subClass.prototype = Object.create(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n};\n\nvar possibleConstructorReturn = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n};\n\n/**\n * @file flash.js\n * VideoJS-SWF - Custom Flash Player with HTML5-ish API\n * https://github.com/zencoder/video-js-swf\n * Not using setupTriggers. Using global onEvent func to distribute events\n */\n\nvar Tech = videojs.getComponent('Tech');\nvar Dom = videojs.dom;\nvar Url = videojs.url;\nvar createTimeRange = videojs.createTimeRange;\nvar mergeOptions = videojs.mergeOptions;\n\nvar navigator = window_1 && window_1.navigator || {};\n\n/**\n * Flash Media Controller - Wrapper for Flash Media API\n *\n * @mixes FlashRtmpDecorator\n * @mixes Tech~SouceHandlerAdditions\n * @extends Tech\n */\n\nvar Flash = function (_Tech) {\n  inherits(Flash, _Tech);\n\n  /**\n  * Create an instance of this Tech.\n  *\n  * @param {Object} [options]\n  *        The key/value store of player options.\n  *\n  * @param {Component~ReadyCallback} ready\n  *        Callback function to call when the `Flash` Tech is ready.\n  */\n  function Flash(options, ready) {\n    classCallCheck(this, Flash);\n\n    // Set the source when ready\n    var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));\n\n    if (options.source) {\n      _this.ready(function () {\n        this.setSource(options.source);\n      }, true);\n    }\n\n    // Having issues with Flash reloading on certain page actions\n    // (hide/resize/fullscreen) in certain browsers\n    // This allows resetting the playhead when we catch the reload\n    if (options.startTime) {\n      _this.ready(function () {\n        this.load();\n        this.play();\n        this.currentTime(options.startTime);\n      }, true);\n    }\n\n    // Add global window functions that the swf expects\n    // A 4.x workflow we weren't able to solve for in 5.0\n    // because of the need to hard code these functions\n    // into the swf for security reasons\n    window_1.videojs = window_1.videojs || {};\n    window_1.videojs.Flash = window_1.videojs.Flash || {};\n    window_1.videojs.Flash.onReady = Flash.onReady;\n    window_1.videojs.Flash.onEvent = Flash.onEvent;\n    window_1.videojs.Flash.onError = Flash.onError;\n\n    _this.on('seeked', function () {\n      this.lastSeekTarget_ = undefined;\n    });\n\n    return _this;\n  }\n\n  /**\n   * Create the `Flash` Tech's DOM element.\n   *\n   * @return {Element}\n   *         The element that gets created.\n   */\n\n\n  Flash.prototype.createEl = function createEl() {\n    var options = this.options_;\n\n    // If video.js is hosted locally you should also set the location\n    // for the hosted swf, which should be relative to the page (not video.js)\n    // Otherwise this adds a CDN url.\n    // The CDN also auto-adds a swf URL for that specific version.\n    if (!options.swf) {\n      options.swf = 'https://vjs.zencdn.net/swf/' + version + '/video-js.swf';\n    }\n\n    // Generate ID for swf object\n    var objId = options.techId;\n\n    // Merge default flashvars with ones passed in to init\n    var flashVars = mergeOptions({\n\n      // SWF Callback Functions\n      readyFunction: 'videojs.Flash.onReady',\n      eventProxyFunction: 'videojs.Flash.onEvent',\n      errorEventProxyFunction: 'videojs.Flash.onError',\n\n      // Player Settings\n      autoplay: options.autoplay,\n      preload: options.preload,\n      loop: options.loop,\n      muted: options.muted\n\n    }, options.flashVars);\n\n    // Merge default parames with ones passed in\n    var params = mergeOptions({\n      // Opaque is needed to overlay controls, but can affect playback performance\n      wmode: 'opaque',\n      // Using bgcolor prevents a white flash when the object is loading\n      bgcolor: '#000000'\n    }, options.params);\n\n    // Merge default attributes with ones passed in\n    var attributes = mergeOptions({\n      // Both ID and Name needed or swf to identify itself\n      id: objId,\n      name: objId,\n      'class': 'vjs-tech'\n    }, options.attributes);\n\n    this.el_ = Flash.embed(options.swf, flashVars, params, attributes);\n    this.el_.tech = this;\n\n    return this.el_;\n  };\n\n  /**\n   * Called by {@link Player#play} to play using the `Flash` `Tech`.\n   */\n\n\n  Flash.prototype.play = function play() {\n    if (this.ended()) {\n      this.setCurrentTime(0);\n    }\n    this.el_.vjs_play();\n  };\n\n  /**\n   * Called by {@link Player#pause} to pause using the `Flash` `Tech`.\n   */\n\n\n  Flash.prototype.pause = function pause() {\n    this.el_.vjs_pause();\n  };\n\n  /**\n   * A getter/setter for the `Flash` Tech's source object.\n   * > Note: Please use {@link Flash#setSource}\n   *\n   * @param {Tech~SourceObject} [src]\n   *        The source object you want to set on the `Flash` techs.\n   *\n   * @return {Tech~SourceObject|undefined}\n   *         - The current source object when a source is not passed in.\n   *         - undefined when setting\n   *\n   * @deprecated Since version 5.\n   */\n\n\n  Flash.prototype.src = function src(_src) {\n    if (_src === undefined) {\n      return this.currentSrc();\n    }\n\n    // Setting src through `src` not `setSrc` will be deprecated\n    return this.setSrc(_src);\n  };\n\n  /**\n   * A getter/setter for the `Flash` Tech's source object.\n   *\n   * @param {Tech~SourceObject} [src]\n   *        The source object you want to set on the `Flash` techs.\n   */\n\n\n  Flash.prototype.setSrc = function setSrc(src) {\n    var _this2 = this;\n\n    // Make sure source URL is absolute.\n    src = Url.getAbsoluteURL(src);\n    this.el_.vjs_src(src);\n\n    // Currently the SWF doesn't autoplay if you load a source later.\n    // e.g. Load player w/ no source, wait 2s, set src.\n    if (this.autoplay()) {\n      this.setTimeout(function () {\n        return _this2.play();\n      }, 0);\n    }\n  };\n\n  /**\n   * Indicates whether the media is currently seeking to a new position or not.\n   *\n   * @return {boolean}\n   *         - True if seeking to a new position\n   *         - False otherwise\n   */\n\n\n  Flash.prototype.seeking = function seeking() {\n    return this.lastSeekTarget_ !== undefined;\n  };\n\n  /**\n   * Returns the current time in seconds that the media is at in playback.\n   *\n   * @param {number} time\n   *        Current playtime of the media in seconds.\n   */\n\n\n  Flash.prototype.setCurrentTime = function setCurrentTime(time) {\n    var seekable = this.seekable();\n\n    if (seekable.length) {\n      // clamp to the current seekable range\n      time = time > seekable.start(0) ? time : seekable.start(0);\n      time = time < seekable.end(seekable.length - 1) ? time : seekable.end(seekable.length - 1);\n\n      this.lastSeekTarget_ = time;\n      this.trigger('seeking');\n      this.el_.vjs_setProperty('currentTime', time);\n      _Tech.prototype.setCurrentTime.call(this);\n    }\n  };\n\n  /**\n   * Get the current playback time in seconds\n   *\n   * @return {number}\n   *         The current time of playback in seconds.\n   */\n\n\n  Flash.prototype.currentTime = function currentTime() {\n    // when seeking make the reported time keep up with the requested time\n    // by reading the time we're seeking to\n    if (this.seeking()) {\n      return this.lastSeekTarget_ || 0;\n    }\n    return this.el_.vjs_getProperty('currentTime');\n  };\n\n  /**\n   * Get the current source\n   *\n   * @method currentSrc\n   * @return {Tech~SourceObject}\n   *         The current source\n   */\n\n\n  Flash.prototype.currentSrc = function currentSrc() {\n    if (this.currentSource_) {\n      return this.currentSource_.src;\n    }\n    return this.el_.vjs_getProperty('currentSrc');\n  };\n\n  /**\n   * Get the total duration of the current media.\n   *\n   * @return {number}\n   8          The total duration of the current media.\n   */\n\n\n  Flash.prototype.duration = function duration() {\n    if (this.readyState() === 0) {\n      return NaN;\n    }\n    var duration = this.el_.vjs_getProperty('duration');\n\n    return duration >= 0 ? duration : Infinity;\n  };\n\n  /**\n   * Load media into Tech.\n   */\n\n\n  Flash.prototype.load = function load() {\n    this.el_.vjs_load();\n  };\n\n  /**\n   * Get the poster image that was set on the tech.\n   */\n\n\n  Flash.prototype.poster = function poster() {\n    this.el_.vjs_getProperty('poster');\n  };\n\n  /**\n   * Poster images are not handled by the Flash tech so make this is a no-op.\n   */\n\n\n  Flash.prototype.setPoster = function setPoster() {};\n\n  /**\n   * Determine the time ranges that can be seeked to in the media.\n   *\n   * @return {TimeRange}\n   *         Returns the time ranges that can be seeked to.\n   */\n\n\n  Flash.prototype.seekable = function seekable() {\n    var duration = this.duration();\n\n    if (duration === 0) {\n      return createTimeRange();\n    }\n    return createTimeRange(0, duration);\n  };\n\n  /**\n   * Get and create a `TimeRange` object for buffering.\n   *\n   * @return {TimeRange}\n   *         The time range object that was created.\n   */\n\n\n  Flash.prototype.buffered = function buffered() {\n    var ranges = this.el_.vjs_getProperty('buffered');\n\n    if (ranges.length === 0) {\n      return createTimeRange();\n    }\n    return createTimeRange(ranges[0][0], ranges[0][1]);\n  };\n\n  /**\n   * Get fullscreen support -\n   *\n   * Flash does not allow fullscreen through javascript\n   * so this always returns false.\n   *\n   * @return {boolean}\n   *         The Flash tech does not support fullscreen, so it will always return false.\n   */\n\n\n  Flash.prototype.supportsFullScreen = function supportsFullScreen() {\n    // Flash does not allow fullscreen through javascript\n    return false;\n  };\n\n  /**\n   * Flash does not allow fullscreen through javascript\n   * so this always returns false.\n   *\n   * @return {boolean}\n   *         The Flash tech does not support fullscreen, so it will always return false.\n   */\n\n\n  Flash.prototype.enterFullScreen = function enterFullScreen() {\n    return false;\n  };\n\n  /**\n   * Gets available media playback quality metrics as specified by the W3C's Media\n   * Playback Quality API.\n   *\n   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n   *\n   * @return {Object}\n   *         An object with supported media playback quality metrics\n   */\n\n\n  Flash.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n    var videoPlaybackQuality = this.el_.vjs_getProperty('getVideoPlaybackQuality');\n\n    if (window_1.performance && typeof window_1.performance.now === 'function') {\n      videoPlaybackQuality.creationTime = window_1.performance.now();\n    } else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') {\n      videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart;\n    }\n\n    return videoPlaybackQuality;\n  };\n\n  return Flash;\n}(Tech);\n\n// Create setters and getters for attributes\n\n\nvar _readWrite = ['rtmpConnection', 'rtmpStream', 'preload', 'defaultPlaybackRate', 'playbackRate', 'autoplay', 'loop', 'controls', 'volume', 'muted', 'defaultMuted'];\nvar _readOnly = ['networkState', 'readyState', 'initialTime', 'startOffsetTime', 'paused', 'ended', 'videoWidth', 'videoHeight'];\nvar _api = Flash.prototype;\n\n/**\n * Create setters for the swf on the element\n *\n * @param {string} attr\n *        The name of the parameter\n *\n * @private\n */\nfunction _createSetter(attr) {\n  var attrUpper = attr.charAt(0).toUpperCase() + attr.slice(1);\n\n  _api['set' + attrUpper] = function (val) {\n    return this.el_.vjs_setProperty(attr, val);\n  };\n}\n\n/**\n * Create getters for the swf on the element\n *\n * @param {string} attr\n *        The name of the parameter\n *\n * @private\n */\nfunction _createGetter(attr) {\n  _api[attr] = function () {\n    return this.el_.vjs_getProperty(attr);\n  };\n}\n\n// Create getter and setters for all read/write attributes\nfor (var i = 0; i < _readWrite.length; i++) {\n  _createGetter(_readWrite[i]);\n  _createSetter(_readWrite[i]);\n}\n\n// Create getters for read-only attributes\nfor (var _i = 0; _i < _readOnly.length; _i++) {\n  _createGetter(_readOnly[_i]);\n}\n\n/** ------------------------------ Getters ------------------------------ **/\n/**\n * Get the value of `rtmpConnection` from the swf.\n *\n * @method Flash#rtmpConnection\n * @return {string}\n *         The current value of `rtmpConnection` on the swf.\n */\n\n/**\n * Get the value of `rtmpStream` from the swf.\n *\n * @method Flash#rtmpStream\n * @return {string}\n *         The current value of `rtmpStream` on the swf.\n */\n\n/**\n * Get the value of `preload` from the swf. `preload` indicates\n * what should download before the media is interacted with. It can have the following\n * values:\n * - none: nothing should be downloaded\n * - metadata: poster and the first few frames of the media may be downloaded to get\n *   media dimensions and other metadata\n * - auto: allow the media and metadata for the media to be downloaded before\n *    interaction\n *\n * @method Flash#preload\n * @return {string}\n *         The value of `preload` from the swf. Will be 'none', 'metadata',\n *         or 'auto'.\n */\n\n/**\n * Get the value of `defaultPlaybackRate` from the swf.\n *\n * @method Flash#defaultPlaybackRate\n * @return {number}\n *         The current value of `defaultPlaybackRate` on the swf.\n */\n\n/**\n * Get the value of `playbackRate` from the swf. `playbackRate` indicates\n * the rate at which the media is currently playing back. Examples:\n *   - if playbackRate is set to 2, media will play twice as fast.\n *   - if playbackRate is set to 0.5, media will play half as fast.\n *\n * @method Flash#playbackRate\n * @return {number}\n *         The value of `playbackRate` from the swf. A number indicating\n *         the current playback speed of the media, where 1 is normal speed.\n */\n\n/**\n * Get the value of `autoplay` from the swf. `autoplay` indicates\n * that the media should start to play as soon as the page is ready.\n *\n * @method Flash#autoplay\n * @return {boolean}\n *         - The value of `autoplay` from the swf.\n *         - True indicates that the media ashould start as soon as the page loads.\n *         - False indicates that the media should not start as soon as the page loads.\n */\n\n/**\n * Get the value of `loop` from the swf. `loop` indicates\n * that the media should return to the start of the media and continue playing once\n * it reaches the end.\n *\n * @method Flash#loop\n * @return {boolean}\n *         - The value of `loop` from the swf.\n *         - True indicates that playback should seek back to start once\n *           the end of a media is reached.\n *         - False indicates that playback should not loop back to the start when the\n *           end of the media is reached.\n */\n\n/**\n * Get the value of `mediaGroup` from the swf.\n *\n * @method Flash#mediaGroup\n * @return {string}\n *         The current value of `mediaGroup` on the swf.\n */\n\n/**\n * Get the value of `controller` from the swf.\n *\n * @method Flash#controller\n * @return {string}\n *         The current value of `controller` on the swf.\n */\n\n/**\n * Get the value of `controls` from the swf. `controls` indicates\n * whether the native flash controls should be shown or hidden.\n *\n * @method Flash#controls\n * @return {boolean}\n *         - The value of `controls` from the swf.\n *         - True indicates that native controls should be showing.\n *         - False indicates that native controls should be hidden.\n */\n\n/**\n * Get the value of the `volume` from the swf. `volume` indicates the current\n * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n * so on.\n *\n * @method Flash#volume\n * @return {number}\n *         The volume percent as a decimal. Value will be between 0-1.\n */\n\n/**\n * Get the value of the `muted` from the swf. `muted` indicates the current\n * audio level should be silent.\n *\n * @method Flash#muted\n * @return {boolean}\n *         - True if the audio should be set to silent\n *         - False otherwise\n */\n\n/**\n * Get the value of `defaultMuted` from the swf. `defaultMuted` indicates\n * whether the media should start muted or not. Only changes the default state of the\n * media. `muted` and `defaultMuted` can have different values. `muted` indicates the\n * current state.\n *\n * @method Flash#defaultMuted\n * @return {boolean}\n *         - The value of `defaultMuted` from the swf.\n *         - True indicates that the media should start muted.\n *         - False indicates that the media should not start muted.\n */\n\n/**\n * Get the value of `networkState` from the swf. `networkState` indicates\n * the current network state. It returns an enumeration from the following list:\n * - 0: NETWORK_EMPTY\n * - 1: NEWORK_IDLE\n * - 2: NETWORK_LOADING\n * - 3: NETWORK_NO_SOURCE\n *\n * @method Flash#networkState\n * @return {number}\n *         The value of `networkState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `readyState` from the swf. `readyState` indicates\n * the current state of the media element. It returns an enumeration from the\n * following list:\n * - 0: HAVE_NOTHING\n * - 1: HAVE_METADATA\n * - 2: HAVE_CURRENT_DATA\n * - 3: HAVE_FUTURE_DATA\n * - 4: HAVE_ENOUGH_DATA\n *\n * @method Flash#readyState\n * @return {number}\n *         The value of `readyState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `readyState` from the swf. `readyState` indicates\n * the current state of the media element. It returns an enumeration from the\n * following list:\n * - 0: HAVE_NOTHING\n * - 1: HAVE_METADATA\n * - 2: HAVE_CURRENT_DATA\n * - 3: HAVE_FUTURE_DATA\n * - 4: HAVE_ENOUGH_DATA\n *\n * @method Flash#readyState\n * @return {number}\n *         The value of `readyState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `initialTime` from the swf.\n *\n * @method Flash#initialTime\n * @return {number}\n *         The `initialTime` proprety on the swf.\n */\n\n/**\n * Get the value of `startOffsetTime` from the swf.\n *\n * @method Flash#startOffsetTime\n * @return {number}\n *         The `startOffsetTime` proprety on the swf.\n */\n\n/**\n * Get the value of `paused` from the swf. `paused` indicates whether the swf\n * is current paused or not.\n *\n * @method Flash#paused\n * @return {boolean}\n *         The value of `paused` from the swf.\n */\n\n/**\n * Get the value of `ended` from the swf. `ended` indicates whether\n * the media has reached the end or not.\n *\n * @method Flash#ended\n * @return {boolean}\n *         - True indicates that the media has ended.\n *         - False indicates that the media has not ended.\n *\n * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}\n */\n\n/**\n * Get the value of `videoWidth` from the swf. `videoWidth` indicates\n * the current width of the media in css pixels.\n *\n * @method Flash#videoWidth\n * @return {number}\n *         The value of `videoWidth` from the swf. This will be a number\n *         in css pixels.\n */\n\n/**\n * Get the value of `videoHeight` from the swf. `videoHeigth` indicates\n * the current height of the media in css pixels.\n *\n * @method Flassh.prototype.videoHeight\n * @return {number}\n *         The value of `videoHeight` from the swf. This will be a number\n *         in css pixels.\n */\n/** ------------------------------ Setters ------------------------------ **/\n\n/**\n * Set the value of `rtmpConnection` on the swf.\n *\n * @method Flash#setRtmpConnection\n * @param {string} rtmpConnection\n *        New value to set the `rtmpConnection` property to.\n */\n\n/**\n * Set the value of `rtmpStream` on the swf.\n *\n * @method Flash#setRtmpStream\n * @param {string} rtmpStream\n *        New value to set the `rtmpStream` property to.\n */\n\n/**\n * Set the value of `preload` on the swf. `preload` indicates\n * what should download before the media is interacted with. It can have the following\n * values:\n * - none: nothing should be downloaded\n * - metadata: poster and the first few frames of the media may be downloaded to get\n *   media dimensions and other metadata\n * - auto: allow the media and metadata for the media to be downloaded before\n *    interaction\n *\n * @method Flash#setPreload\n * @param {string} preload\n *        The value of `preload` to set on the swf. Should be 'none', 'metadata',\n *        or 'auto'.\n */\n\n/**\n * Set the value of `defaultPlaybackRate` on the swf.\n *\n * @method Flash#setDefaultPlaybackRate\n * @param {number} defaultPlaybackRate\n *        New value to set the `defaultPlaybackRate` property to.\n */\n\n/**\n * Set the value of `playbackRate` on the swf. `playbackRate` indicates\n * the rate at which the media is currently playing back. Examples:\n *   - if playbackRate is set to 2, media will play twice as fast.\n *   - if playbackRate is set to 0.5, media will play half as fast.\n *\n * @method Flash#setPlaybackRate\n * @param {number} playbackRate\n *        New value of `playbackRate` on the swf. A number indicating\n *        the current playback speed of the media, where 1 is normal speed.\n */\n\n/**\n * Set the value of `autoplay` on the swf. `autoplay` indicates\n * that the media should start to play as soon as the page is ready.\n *\n * @method Flash#setAutoplay\n * @param {boolean} autoplay\n *        - The value of `autoplay` from the swf.\n *        - True indicates that the media ashould start as soon as the page loads.\n *        - False indicates that the media should not start as soon as the page loads.\n */\n\n/**\n * Set the value of `loop` on the swf. `loop` indicates\n * that the media should return to the start of the media and continue playing once\n * it reaches the end.\n *\n * @method Flash#setLoop\n * @param {boolean} loop\n *        - True indicates that playback should seek back to start once\n *          the end of a media is reached.\n *        - False indicates that playback should not loop back to the start when the\n *          end of the media is reached.\n */\n\n/**\n * Set the value of `mediaGroup` on the swf.\n *\n * @method Flash#setMediaGroup\n * @param {string} mediaGroup\n *        New value of `mediaGroup` to set on the swf.\n */\n\n/**\n * Set the value of `controller` on the swf.\n *\n * @method Flash#setController\n * @param {string} controller\n *        New value the current value of `controller` on the swf.\n */\n\n/**\n * Get the value of `controls` from the swf. `controls` indicates\n * whether the native flash controls should be shown or hidden.\n *\n * @method Flash#controls\n * @return {boolean}\n *         - The value of `controls` from the swf.\n *         - True indicates that native controls should be showing.\n *         - False indicates that native controls should be hidden.\n */\n\n/**\n * Set the value of the `volume` on the swf. `volume` indicates the current\n * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n * so on.\n *\n * @method Flash#setVolume\n * @param {number} percentAsDecimal\n *         The volume percent as a decimal. Value will be between 0-1.\n */\n\n/**\n * Set the value of the `muted` on the swf. `muted` indicates that the current\n * audio level should be silent.\n *\n * @method Flash#setMuted\n * @param {boolean} muted\n *         - True if the audio should be set to silent\n *         - False otherwise\n */\n\n/**\n * Set the value of `defaultMuted` on the swf. `defaultMuted` indicates\n * whether the media should start muted or not. Only changes the default state of the\n * media. `muted` and `defaultMuted` can have different values. `muted` indicates the\n * current state.\n *\n * @method Flash#setDefaultMuted\n * @param {boolean} defaultMuted\n *         - True indicates that the media should start muted.\n *         - False indicates that the media should not start muted.\n */\n\n/* Flash Support Testing -------------------------------------------------------- */\n\n/**\n * Check if the Flash tech is currently supported.\n *\n * @return {boolean}\n *          - True for Chrome and Safari Desktop and Microsoft Edge and if flash tech is supported\n *          - False otherwise\n */\nFlash.isSupported = function () {\n  // for Chrome Desktop and Safari Desktop\n  if (videojs.browser.IS_CHROME && (!videojs.browser.IS_ANDROID || !videojs.browser.IS_IOS) || videojs.browser.IS_SAFARI && !videojs.browser.IS_IOS || videojs.browser.IS_EDGE) {\n    return true;\n  }\n  // for other browsers\n  return Flash.version()[0] >= 10;\n};\n\n// Add Source Handler pattern functions to this tech\nTech.withSourceHandlers(Flash);\n\n/*\n * Native source handler for flash,  simply passes the source to the swf element.\n *\n * @property {Tech~SourceObject} source\n *           The source object\n *\n * @property {Flash} tech\n *           The instance of the Flash tech\n */\nFlash.nativeSourceHandler = {};\n\n/**\n * Check if the Flash can play the given mime type.\n *\n * @param {string} type\n *        The mimetype to check\n *\n * @return {string}\n *         'maybe', or '' (empty string)\n */\nFlash.nativeSourceHandler.canPlayType = function (type) {\n  if (type in Flash.formats) {\n    return 'maybe';\n  }\n\n  return '';\n};\n\n/**\n * Check if the media element can handle a source natively.\n *\n * @param {Tech~SourceObject} source\n *         The source object\n *\n * @param {Object} [options]\n *         Options to be passed to the tech.\n *\n * @return {string}\n *         'maybe', or '' (empty string).\n */\nFlash.nativeSourceHandler.canHandleSource = function (source, options) {\n  var type = void 0;\n\n  /**\n   * Guess the mime type of a file if it does not have one\n   *\n   * @param {Tech~SourceObject} src\n   *        The source object to guess the mime type for\n   *\n   * @return {string}\n   *         The mime type that was guessed\n   */\n  function guessMimeType(src) {\n    var ext = Url.getFileExtension(src);\n\n    if (ext) {\n      return 'video/' + ext;\n    }\n    return '';\n  }\n\n  if (!source.type) {\n    type = guessMimeType(source.src);\n  } else {\n    // Strip code information from the type because we don't get that specific\n    type = source.type.replace(/;.*/, '').toLowerCase();\n  }\n\n  return Flash.nativeSourceHandler.canPlayType(type);\n};\n\n/**\n * Pass the source to the swf.\n *\n * @param {Tech~SourceObject} source\n *        The source object\n *\n * @param {Flash} tech\n *        The instance of the Flash tech\n *\n * @param {Object} [options]\n *        The options to pass to the source\n */\nFlash.nativeSourceHandler.handleSource = function (source, tech, options) {\n  tech.setSrc(source.src);\n};\n\n/**\n * noop for native source handler dispose, as cleanup will happen automatically.\n */\nFlash.nativeSourceHandler.dispose = function () {};\n\n// Register the native source handler\nFlash.registerSourceHandler(Flash.nativeSourceHandler);\n\n/**\n * Flash supported mime types.\n *\n * @constant {Object}\n */\nFlash.formats = {\n  'video/flv': 'FLV',\n  'video/x-flv': 'FLV',\n  'video/mp4': 'MP4',\n  'video/m4v': 'MP4'\n};\n\n/**\n * Called when the the swf is \"ready\", and makes sure that the swf is really\n * ready using {@link Flash#checkReady}\n *\n * @param {Object} currSwf\n *        The current swf object\n */\nFlash.onReady = function (currSwf) {\n  var el = Dom.$('#' + currSwf);\n  var tech = el && el.tech;\n\n  // if there is no el then the tech has been disposed\n  // and the tech element was removed from the player div\n  if (tech && tech.el()) {\n    // check that the flash object is really ready\n    Flash.checkReady(tech);\n  }\n};\n\n/**\n * The SWF isn't always ready when it says it is. Sometimes the API functions still\n * need to be added to the object. If it's not ready, we set a timeout to check again\n * shortly.\n *\n * @param {Flash} tech\n *        The instance of the flash tech to check.\n */\nFlash.checkReady = function (tech) {\n  // stop worrying if the tech has been disposed\n  if (!tech.el()) {\n    return;\n  }\n\n  // check if API property exists\n  if (tech.el().vjs_getProperty) {\n    // tell tech it's ready\n    tech.triggerReady();\n  } else {\n    // wait longer\n    this.setTimeout(function () {\n      Flash.checkReady(tech);\n    }, 50);\n  }\n};\n\n/**\n * Trigger events from the swf on the Flash Tech.\n *\n * @param {number} swfID\n *        The id of the swf that had the event\n *\n * @param {string} eventName\n *        The name of the event to trigger\n */\nFlash.onEvent = function (swfID, eventName) {\n  var tech = Dom.$('#' + swfID).tech;\n  var args = Array.prototype.slice.call(arguments, 2);\n\n  // dispatch Flash events asynchronously for two reasons:\n  // - Flash swallows any exceptions generated by javascript it\n  //   invokes\n  // - Flash is suspended until the javascript returns which may cause\n  //   playback performance issues\n  tech.setTimeout(function () {\n    tech.trigger(eventName, args);\n  }, 1);\n};\n\n/**\n * Log errors from the swf on the Flash tech.\n *\n * @param {number} swfID\n *        The id of the swf that had an error.\n *\n * @param {string} err\n *        The error to set on the Flash Tech.\n *\n * @return {MediaError|undefined}\n *          - Returns a MediaError when err is 'srcnotfound'\n *          - Returns undefined otherwise.\n */\nFlash.onError = function (swfID, err) {\n  var tech = Dom.$('#' + swfID).tech;\n\n  // trigger MEDIA_ERR_SRC_NOT_SUPPORTED\n  if (err === 'srcnotfound') {\n    return tech.error(4);\n  }\n\n  // trigger a custom error\n  if (typeof err === 'string') {\n    tech.error('FLASH: ' + err);\n  } else {\n    err.origin = 'flash';\n    tech.error(err);\n  }\n};\n\n/**\n * Get the current version of Flash that is in use on the page.\n *\n * @return {Array}\n *          an array of versions that are available.\n */\nFlash.version = function () {\n  var version$$1 = '0,0,0';\n\n  // IE\n  try {\n    version$$1 = new window_1.ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version').replace(/\\D+/g, ',').match(/^,?(.+),?$/)[1];\n\n    // other browsers\n  } catch (e) {\n    try {\n      if (navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin) {\n        version$$1 = (navigator.plugins['Shockwave Flash 2.0'] || navigator.plugins['Shockwave Flash']).description.replace(/\\D+/g, ',').match(/^,?(.+),?$/)[1];\n      }\n    } catch (err) {\n      // satisfy linter\n    }\n  }\n  return version$$1.split(',');\n};\n\n/**\n * Only use for non-iframe embeds.\n *\n * @param {Object} swf\n *        The videojs-swf object.\n *\n * @param {Object} flashVars\n *        Names and values to use as flash option variables.\n *\n * @param {Object} params\n *        Style parameters to set on the object.\n *\n * @param {Object} attributes\n *        Attributes to set on the element.\n *\n * @return {Element}\n *          The embeded Flash DOM element.\n */\nFlash.embed = function (swf, flashVars, params, attributes) {\n  var code = Flash.getEmbedCode(swf, flashVars, params, attributes);\n\n  // Get element by embedding code and retrieving created element\n  var obj = Dom.createEl('div', { innerHTML: code }).childNodes[0];\n\n  return obj;\n};\n\n/**\n * Only use for non-iframe embeds.\n *\n * @param {Object} swf\n *        The videojs-swf object.\n *\n * @param {Object} flashVars\n *        Names and values to use as flash option variables.\n *\n * @param {Object} params\n *        Style parameters to set on the object.\n *\n * @param {Object} attributes\n *        Attributes to set on the element.\n *\n * @return {Element}\n *          The embeded Flash DOM element.\n */\nFlash.getEmbedCode = function (swf, flashVars, params, attributes) {\n  var objTag = '<object type=\"application/x-shockwave-flash\" ';\n  var flashVarsString = '';\n  var paramsString = '';\n  var attrsString = '';\n\n  // Convert flash vars to string\n  if (flashVars) {\n    Object.getOwnPropertyNames(flashVars).forEach(function (key) {\n      flashVarsString += key + '=' + flashVars[key] + '&amp;';\n    });\n  }\n\n  // Add swf, flashVars, and other default params\n  params = mergeOptions({\n    movie: swf,\n    flashvars: flashVarsString,\n    // Required to talk to swf\n    allowScriptAccess: 'always',\n    // All should be default, but having security issues.\n    allowNetworking: 'all'\n  }, params);\n\n  // Create param tags string\n  Object.getOwnPropertyNames(params).forEach(function (key) {\n    paramsString += '<param name=\"' + key + '\" value=\"' + params[key] + '\" />';\n  });\n\n  attributes = mergeOptions({\n    // Add swf to attributes (need both for IE and Others to work)\n    data: swf,\n\n    // Default to 100% width/height\n    width: '100%',\n    height: '100%'\n\n  }, attributes);\n\n  // Create Attributes string\n  Object.getOwnPropertyNames(attributes).forEach(function (key) {\n    attrsString += key + '=\"' + attributes[key] + '\" ';\n  });\n\n  return '' + objTag + attrsString + '>' + paramsString + '</object>';\n};\n\n// Run Flash through the RTMP decorator\nFlashRtmpDecorator(Flash);\n\nif (Tech.getTech('Flash')) {\n  videojs.log.warn('Not using videojs-flash as it appears to already be registered');\n  videojs.log.warn('videojs-flash should only be used with video.js@6 and above');\n} else {\n  videojs.registerTech('Flash', Flash);\n}\n\nFlash.VERSION = version$1;\n\nreturn Flash;\n\n})));\n"],"file":"videojs-flash-lazy.min.js"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_router.min.js b/message/amd/build/message_drawer_router.min.js
index 01a224cb11b..bfde9876cfe 100644
--- a/message/amd/build/message_drawer_router.min.js
+++ b/message/amd/build/message_drawer_router.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core_message/message_drawer_router",["jquery","core/pubsub","core/str","core_message/message_drawer_events"],function(a,b,c,d){var e={},f={},g={CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]",ROUTES_BACK:"[data-route-back]"},h=function(c,f){var h,j=[].slice.call(arguments).some(function(a){return"frompanel"==a}),k=[].slice.call(arguments,2),l=a.Deferred().resolve().promise();Object.keys(e[c]).forEach(function(a){var b=e[c][a],d=a===f;if(d){h=b}b.parameters.forEach(function(a){if("object"!==_typeof(a)||null===a){return}a.removeClass("previous");a.attr("data-from-panel",!1);if(d){if(j){a.attr("data-from-panel",!0)}a.removeClass("hidden");a.attr("aria-hidden",!1)}else{if(!a.attr("data-in-panel")){a.addClass("hidden");a.attr("aria-hidden",!0)}else if("view-search"==f||"view-overview"==f){a.addClass("hidden");a.attr("aria-hidden",!0)}}})});if(h){if(h.onGo){l=h.onGo.apply(void 0,h.parameters.concat(k));for(var m=a(document.activeElement),n=!1,o=null,p=1,q;p<h.parameters.length;p++){q=h.parameters[p];if("object"!==_typeof(q)||null===q){continue}if(!o){o=q}if(q.has(m).length){n=!0;break}}if(!n){o.find(g.CAN_RECEIVE_FOCUS).filter(":visible").first().focus()}}}var r={route:f,params:k,renderPromise:l};b.publish(d.ROUTE_CHANGED,r);return r},i=function(b){var d=a(document.activeElement),j=h.apply(b,arguments),k=!1;if(!f[b]){f[b]=[]}f[b]=f[b].reduce(function(a,b){if(b.route===j.route){k=!0}if(!k){a.push(b)}return a},[]);var l=f[b].length,m=l?f[b][l-1]:null;if(m){for(var n=e[b][m.route],o=n.parameters,p=1;p<o.length;p++){if("object"!==_typeof(o[p])||null===o[p]){continue}o[p].addClass("previous")}m.focusElement=d;if(n.getDescription){n.getDescription.apply(null,n.parameters.concat(m.params)).then(function(a){return c.get_string("backto","core_message",a)}).then(function(a){return j.renderPromise.then(function(){e[b][j.route].parameters.forEach(function(b){if("object"!==_typeof(b)||!b){return}b.find(g.ROUTES_BACK).attr("aria-label",a)})})}).catch(function(){})}}f[b].push(j);return j};return{add:function add(a,b,c,d,f){if(!e[a]){e[a]=[]}e[a][b]={parameters:c,onGo:d,getDescription:f}},go:i,back:function back(a){if(f[a].length){f[a].pop();var b=f[a].pop();if(b){i.apply(void 0,[a,b.route].concat(b.params));window.setTimeout(function(){b.focusElement.focus()},50)}}}}});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core_message/message_drawer_router",["jquery","core/pubsub","core/str","core_message/message_drawer_events"],function(a,b,c,d){var e={},f={},g={CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]",ROUTES_BACK:"[data-route-back]"},h=function(c,f){var h,j=[].slice.call(arguments).some(function(a){return"frompanel"==a}),k=[].slice.call(arguments,2),l=a.Deferred().resolve().promise();Object.keys(e[c]).forEach(function(a){var b=e[c][a],d=a===f;if(d){h=b}b.parameters.forEach(function(a){if("object"!==_typeof(a)||null===a){return}a.removeClass("previous");a.attr("data-from-panel",!1);if(d){if(j){a.attr("data-from-panel",!0)}a.removeClass("hidden");a.attr("aria-hidden",!1)}else{if(!a.attr("data-in-panel")){a.addClass("hidden");a.attr("aria-hidden",!0)}else if("view-search"==f||"view-overview"==f){a.addClass("hidden");a.attr("aria-hidden",!0)}}})});if(h){if(h.onGo){l=h.onGo.apply(void 0,h.parameters.concat(k));for(var m=a(document.activeElement),n=!1,o=null,p=1,q;p<h.parameters.length;p++){q=h.parameters[p];if("object"!==_typeof(q)||null===q){continue}if(!o){o=q}if(q.has(m).length){n=!0;break}}if(!n){o.find(g.CAN_RECEIVE_FOCUS).filter(":visible").first().focus()}}}var r={route:f,params:k,renderPromise:l};b.publish(d.ROUTE_CHANGED,r);return r},i=function(b){var d=a(document.activeElement),j=h.apply(b,arguments),k=!1;if(!f[b]){f[b]=[]}f[b]=f[b].reduce(function(a,b){if(b.route===j.route){k=!0}if(!k){a.push(b)}return a},[]);var l=f[b].length,m=l?f[b][l-1]:null;if(m){for(var n=e[b][m.route],o=n.parameters,p=1;p<o.length;p++){if("object"!==_typeof(o[p])||null===o[p]){continue}o[p].addClass("previous")}m.focusElement=d;if(n.getDescription){n.getDescription.apply(null,n.parameters.concat(m.params)).then(function(a){return c.get_string("backto","core_message",a)}).then(function(a){return j.renderPromise.then(function(){e[b][j.route].parameters.forEach(function(b){if("object"!==_typeof(b)||!b){return}b.find(g.ROUTES_BACK).attr("aria-label",a)})})}).catch(function(){})}}f[b].push(j);return j};return{add:function add(a,b,c,d,f){if(!e[a]){e[a]=[]}e[a][b]={parameters:c,onGo:d,getDescription:f}},go:i,back:function back(a){if(f[a].length){f[a].pop();var b=f[a].pop();if(b){i.apply(void 0,[a,b.route].concat(b.params));window.setTimeout(function(){b.focusElement.focus()},50)}}}}});
 //# sourceMappingURL=message_drawer_router.min.js.map
diff --git a/message/amd/build/message_drawer_router.min.js.map b/message/amd/build/message_drawer_router.min.js.map
index 47cc497b437..a40a096fb30 100644
--- a/message/amd/build/message_drawer_router.min.js.map
+++ b/message/amd/build/message_drawer_router.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A simple router for the message drawer that allows navigating between\n * the \"pages\" in the drawer.\n *\n * This module will maintain a linear history of the unique pages access\n * to allow navigating back.\n *\n * @module     core_message/message_drawer_router\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_drawer_events'\n],\nfunction(\n    $,\n    PubSub,\n    Str,\n    MessageDrawerEvents\n) {\n\n    /* @var {object} routes Message drawer route elements and callbacks. */\n    var routes = {};\n\n    /* @var {object} history Store for route objects history. */\n    var history = {};\n\n    var SELECTORS = {\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n        ROUTES_BACK: '[data-route-back]'\n    };\n\n    /**\n     * Add a route.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {string} route Route config name.\n     * @param {array} parameters Route parameters.\n     * @param {callback} onGo Route initialization function.\n     * @param {callback} getDescription Route initialization function.\n     */\n    var add = function(namespace, route, parameters, onGo, getDescription) {\n        if (!routes[namespace]) {\n            routes[namespace] = [];\n        }\n\n        routes[namespace][route] =\n            {\n                parameters: parameters,\n                onGo: onGo,\n                getDescription: getDescription\n            };\n    };\n\n    /**\n     * Go to a defined route and run the route callbacks.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {string} newRoute Route config name.\n     * @return {object} record Current route record with route config name and parameters.\n     */\n    var changeRoute = function(namespace, newRoute) {\n        var newConfig;\n\n        // Check if the Route change call is made from an element in the app panel.\n        var fromPanel = [].slice.call(arguments).some(function(arg) {\n            return arg == 'frompanel';\n        });\n        // Get the rest of the arguments, if any.\n        var args = [].slice.call(arguments, 2);\n        var renderPromise = $.Deferred().resolve().promise();\n\n        Object.keys(routes[namespace]).forEach(function(route) {\n            var config = routes[namespace][route];\n            var isMatch = route === newRoute;\n\n            if (isMatch) {\n                newConfig = config;\n            }\n\n            config.parameters.forEach(function(element) {\n                // Some parameters may be null, or not an element.\n                if (typeof element !== 'object' || element === null) {\n                    return;\n                }\n\n                element.removeClass('previous');\n                element.attr('data-from-panel', false);\n\n                if (isMatch) {\n                    if (fromPanel) {\n                        // Set this attribute to let the conversation renderer know not to show a back button.\n                        element.attr('data-from-panel', true);\n                    }\n                    element.removeClass('hidden');\n                    element.attr('aria-hidden', false);\n                } else {\n                    // For the message index page elements in the left panel should not be hidden.\n                    if (!element.attr('data-in-panel')) {\n                        element.addClass('hidden');\n                        element.attr('aria-hidden', true);\n                    } else if (newRoute == 'view-search' || newRoute == 'view-overview') {\n                        element.addClass('hidden');\n                        element.attr('aria-hidden', true);\n                    }\n                }\n            });\n        });\n\n        if (newConfig) {\n            if (newConfig.onGo) {\n                renderPromise = newConfig.onGo.apply(undefined, newConfig.parameters.concat(args));\n                var currentFocusElement = $(document.activeElement);\n                var hasFocus = false;\n                var firstFocusable = null;\n\n                // No need to start at 0 as we know that is the namespace.\n                for (var i = 1; i < newConfig.parameters.length; i++) {\n                    var element = newConfig.parameters[i];\n\n                    // Some parameters may be null, or not an element.\n                    if (typeof element !== 'object' || element === null) {\n                        continue;\n                    }\n\n                    if (!firstFocusable) {\n                        firstFocusable = element;\n                    }\n\n                    if (element.has(currentFocusElement).length) {\n                        hasFocus = true;\n                        break;\n                    }\n                }\n\n                if (!hasFocus) {\n                    // This page doesn't have focus yet so focus the first focusable\n                    // element in the new view.\n                    firstFocusable.find(SELECTORS.CAN_RECEIVE_FOCUS).filter(':visible').first().focus();\n                }\n            }\n        }\n\n        var record = {\n            route: newRoute,\n            params: args,\n            renderPromise: renderPromise\n        };\n\n        PubSub.publish(MessageDrawerEvents.ROUTE_CHANGED, record);\n\n        return record;\n    };\n\n    /**\n     * Go to a defined route and store the route history.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {object} record Current route record with route config name and parameters.\n     */\n    var go = function(namespace) {\n        var currentFocusElement = $(document.activeElement);\n\n        var record = changeRoute.apply(namespace, arguments);\n        var inHistory = false;\n\n        if (!history[namespace]) {\n            history[namespace] = [];\n        }\n\n        // History stores a unique list of routes. Check to see if the new route\n        // is already in the history, if it is then forget all history after it.\n        // This ensures there are no duplicate routes in history and that it represents\n        // a linear path of routes (it never stores something like [foo, bar, foo])).\n        history[namespace] = history[namespace].reduce(function(carry, previous) {\n            if (previous.route === record.route) {\n                inHistory = true;\n            }\n\n            if (!inHistory) {\n                carry.push(previous);\n            }\n\n            return carry;\n        }, []);\n\n        var historylength = history[namespace].length;\n        var previousRecord = historylength ? history[namespace][historylength - 1] : null;\n\n        if (previousRecord) {\n            var prevConfig = routes[namespace][previousRecord.route];\n            var elements = prevConfig.parameters;\n\n            // The first one will be the namespace, skip it.\n            for (var i = 1; i < elements.length; i++) {\n                // Some parameters may be null, or not an element.\n                if (typeof elements[i] !== 'object' || elements[i] === null) {\n                    continue;\n                }\n\n                elements[i].addClass('previous');\n            }\n\n            previousRecord.focusElement = currentFocusElement;\n\n            if (prevConfig.getDescription) {\n                // If the route has a description then set it on the back button for\n                // the new page we're displaying.\n                prevConfig.getDescription.apply(null, prevConfig.parameters.concat(previousRecord.params))\n                    .then(function(description) {\n                        return Str.get_string('backto', 'core_message', description);\n                    })\n                    .then(function(label) {\n                        // Wait for the new page to finish rendering so that we know\n                        // that the back button is visible.\n                        return record.renderPromise.then(function() {\n                            // Find the elements for the new route we displayed.\n                            routes[namespace][record.route].parameters.forEach(function(element) {\n                                // Some parameters may be null, or not an element.\n                                if (typeof element !== 'object' || !element) {\n                                    return;\n                                }\n                                // Update the aria label for the back button.\n                                element.find(SELECTORS.ROUTES_BACK).attr('aria-label', label);\n                            });\n                        });\n                    })\n                    .catch(function() {\n                        // Silently ignore.\n                    });\n            }\n        }\n        history[namespace].push(record);\n        return record;\n    };\n\n    /**\n     * Go back to the previous route record stored in history.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     */\n    var back = function(namespace) {\n        if (history[namespace].length) {\n            // Remove the current route.\n            history[namespace].pop();\n            var previous = history[namespace].pop();\n\n            if (previous) {\n                // If we have a previous route then show it.\n                go.apply(undefined, [namespace, previous.route].concat(previous.params));\n                // Delay the focus 50 milliseconds otherwise it doesn't correctly\n                // focus the element for some reason...\n                window.setTimeout(function() {\n                    previous.focusElement.focus();\n                }, 50);\n            }\n        }\n    };\n\n    return {\n        add: add,\n        go: go,\n        back: back\n    };\n});\n"],"file":"message_drawer_router.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A simple router for the message drawer that allows navigating between\n * the \"pages\" in the drawer.\n *\n * This module will maintain a linear history of the unique pages access\n * to allow navigating back.\n *\n * @module     core_message/message_drawer_router\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_drawer_events'\n],\nfunction(\n    $,\n    PubSub,\n    Str,\n    MessageDrawerEvents\n) {\n\n    /* @var {object} routes Message drawer route elements and callbacks. */\n    var routes = {};\n\n    /* @var {object} history Store for route objects history. */\n    var history = {};\n\n    var SELECTORS = {\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n        ROUTES_BACK: '[data-route-back]'\n    };\n\n    /**\n     * Add a route.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {string} route Route config name.\n     * @param {array} parameters Route parameters.\n     * @param {callback} onGo Route initialization function.\n     * @param {callback} getDescription Route initialization function.\n     */\n    var add = function(namespace, route, parameters, onGo, getDescription) {\n        if (!routes[namespace]) {\n            routes[namespace] = [];\n        }\n\n        routes[namespace][route] =\n            {\n                parameters: parameters,\n                onGo: onGo,\n                getDescription: getDescription\n            };\n    };\n\n    /**\n     * Go to a defined route and run the route callbacks.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {string} newRoute Route config name.\n     * @return {object} record Current route record with route config name and parameters.\n     */\n    var changeRoute = function(namespace, newRoute) {\n        var newConfig;\n\n        // Check if the Route change call is made from an element in the app panel.\n        var fromPanel = [].slice.call(arguments).some(function(arg) {\n            return arg == 'frompanel';\n        });\n        // Get the rest of the arguments, if any.\n        var args = [].slice.call(arguments, 2);\n        var renderPromise = $.Deferred().resolve().promise();\n\n        Object.keys(routes[namespace]).forEach(function(route) {\n            var config = routes[namespace][route];\n            var isMatch = route === newRoute;\n\n            if (isMatch) {\n                newConfig = config;\n            }\n\n            config.parameters.forEach(function(element) {\n                // Some parameters may be null, or not an element.\n                if (typeof element !== 'object' || element === null) {\n                    return;\n                }\n\n                element.removeClass('previous');\n                element.attr('data-from-panel', false);\n\n                if (isMatch) {\n                    if (fromPanel) {\n                        // Set this attribute to let the conversation renderer know not to show a back button.\n                        element.attr('data-from-panel', true);\n                    }\n                    element.removeClass('hidden');\n                    element.attr('aria-hidden', false);\n                } else {\n                    // For the message index page elements in the left panel should not be hidden.\n                    if (!element.attr('data-in-panel')) {\n                        element.addClass('hidden');\n                        element.attr('aria-hidden', true);\n                    } else if (newRoute == 'view-search' || newRoute == 'view-overview') {\n                        element.addClass('hidden');\n                        element.attr('aria-hidden', true);\n                    }\n                }\n            });\n        });\n\n        if (newConfig) {\n            if (newConfig.onGo) {\n                renderPromise = newConfig.onGo.apply(undefined, newConfig.parameters.concat(args));\n                var currentFocusElement = $(document.activeElement);\n                var hasFocus = false;\n                var firstFocusable = null;\n\n                // No need to start at 0 as we know that is the namespace.\n                for (var i = 1; i < newConfig.parameters.length; i++) {\n                    var element = newConfig.parameters[i];\n\n                    // Some parameters may be null, or not an element.\n                    if (typeof element !== 'object' || element === null) {\n                        continue;\n                    }\n\n                    if (!firstFocusable) {\n                        firstFocusable = element;\n                    }\n\n                    if (element.has(currentFocusElement).length) {\n                        hasFocus = true;\n                        break;\n                    }\n                }\n\n                if (!hasFocus) {\n                    // This page doesn't have focus yet so focus the first focusable\n                    // element in the new view.\n                    firstFocusable.find(SELECTORS.CAN_RECEIVE_FOCUS).filter(':visible').first().focus();\n                }\n            }\n        }\n\n        var record = {\n            route: newRoute,\n            params: args,\n            renderPromise: renderPromise\n        };\n\n        PubSub.publish(MessageDrawerEvents.ROUTE_CHANGED, record);\n\n        return record;\n    };\n\n    /**\n     * Go to a defined route and store the route history.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {object} record Current route record with route config name and parameters.\n     */\n    var go = function(namespace) {\n        var currentFocusElement = $(document.activeElement);\n\n        var record = changeRoute.apply(namespace, arguments);\n        var inHistory = false;\n\n        if (!history[namespace]) {\n            history[namespace] = [];\n        }\n\n        // History stores a unique list of routes. Check to see if the new route\n        // is already in the history, if it is then forget all history after it.\n        // This ensures there are no duplicate routes in history and that it represents\n        // a linear path of routes (it never stores something like [foo, bar, foo])).\n        history[namespace] = history[namespace].reduce(function(carry, previous) {\n            if (previous.route === record.route) {\n                inHistory = true;\n            }\n\n            if (!inHistory) {\n                carry.push(previous);\n            }\n\n            return carry;\n        }, []);\n\n        var historylength = history[namespace].length;\n        var previousRecord = historylength ? history[namespace][historylength - 1] : null;\n\n        if (previousRecord) {\n            var prevConfig = routes[namespace][previousRecord.route];\n            var elements = prevConfig.parameters;\n\n            // The first one will be the namespace, skip it.\n            for (var i = 1; i < elements.length; i++) {\n                // Some parameters may be null, or not an element.\n                if (typeof elements[i] !== 'object' || elements[i] === null) {\n                    continue;\n                }\n\n                elements[i].addClass('previous');\n            }\n\n            previousRecord.focusElement = currentFocusElement;\n\n            if (prevConfig.getDescription) {\n                // If the route has a description then set it on the back button for\n                // the new page we're displaying.\n                prevConfig.getDescription.apply(null, prevConfig.parameters.concat(previousRecord.params))\n                    .then(function(description) {\n                        return Str.get_string('backto', 'core_message', description);\n                    })\n                    .then(function(label) {\n                        // Wait for the new page to finish rendering so that we know\n                        // that the back button is visible.\n                        return record.renderPromise.then(function() {\n                            // Find the elements for the new route we displayed.\n                            routes[namespace][record.route].parameters.forEach(function(element) {\n                                // Some parameters may be null, or not an element.\n                                if (typeof element !== 'object' || !element) {\n                                    return;\n                                }\n                                // Update the aria label for the back button.\n                                element.find(SELECTORS.ROUTES_BACK).attr('aria-label', label);\n                            });\n                        });\n                    })\n                    .catch(function() {\n                        // Silently ignore.\n                    });\n            }\n        }\n        history[namespace].push(record);\n        return record;\n    };\n\n    /**\n     * Go back to the previous route record stored in history.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     */\n    var back = function(namespace) {\n        if (history[namespace].length) {\n            // Remove the current route.\n            history[namespace].pop();\n            var previous = history[namespace].pop();\n\n            if (previous) {\n                // If we have a previous route then show it.\n                go.apply(undefined, [namespace, previous.route].concat(previous.params));\n                // Delay the focus 50 milliseconds otherwise it doesn't correctly\n                // focus the element for some reason...\n                window.setTimeout(function() {\n                    previous.focusElement.focus();\n                }, 50);\n            }\n        }\n    };\n\n    return {\n        add: add,\n        go: go,\n        back: back\n    };\n});\n"],"file":"message_drawer_router.min.js"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation.min.js b/message/amd/build/message_drawer_view_conversation.min.js
index daba44105e8..106d9615496 100644
--- a/message/amd/build/message_drawer_view_conversation.min.js
+++ b/message/amd/build/message_drawer_view_conversation.min.js
@@ -1,2 +1,2 @@
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diff --git a/message/amd/build/message_drawer_view_conversation.min.js.map b/message/amd/build/message_drawer_view_conversation.min.js.map
index ceb2204dc84..81645571a72 100644
--- a/message/amd/build/message_drawer_view_conversation.min.js.map
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the conversation page in the message drawer.\n *\n * This function handles all of the user actions that the user can take\n * when interacting with the conversation page.\n *\n * It maintains a view state which is a data representation of the view\n * and only operates on that data.\n *\n * The view state is immutable and should never be modified directly. Instead\n * all changes to the view state should be done using the StateManager which\n * will generate a new version of the view state with the requested changes.\n *\n * After any changes to the view state the module will call the render function\n * to ask the renderer to update the UI.\n *\n * General rules for this module:\n * 1.) Never modify viewState directly. All changes should be via the StateManager.\n * 2.) Call render() with the new state when you want to update the UI\n * 3.) Never modify the UI directly in this module. This module is only concerned\n *     with the data in the view state.\n *\n * The general flow for a user interaction will be something like:\n * User interaction: User clicks \"confirm block\" button to block the other user\n *      1.) This module is hears the click\n *      2.) This module sends a request to the server to block the user\n *      3.) The server responds with the new user profile\n *      4.) This module generates a new state using the StateManager with the updated\n *          user profile.\n *      5.) This module asks the Patcher to generate a patch from the current state and\n *          the newly generated state. This patch tells the renderer what has changed\n *          between the states.\n *      6.) This module gives the Renderer the generated patch. The renderer updates\n *          the UI with changes according to the patch.\n *\n * @module     core_message/message_drawer_view_conversation\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/auto_rows',\n    'core/backoff_timer',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pending',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_view_conversation_constants',\n    'core_message/message_drawer_view_conversation_patcher',\n    'core_message/message_drawer_view_conversation_renderer',\n    'core_message/message_drawer_view_conversation_state_manager',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core/emoji/auto_complete',\n    'core/emoji/picker'\n],\nfunction(\n    $,\n    AutoRows,\n    BackOffTimer,\n    CustomEvents,\n    Notification,\n    Pending,\n    PubSub,\n    Str,\n    Repository,\n    MessageDrawerEvents,\n    Constants,\n    Patcher,\n    Renderer,\n    StateManager,\n    MessageDrawerRouter,\n    MessageDrawerRoutes,\n    initialiseEmojiAutoComplete,\n    initialiseEmojiPicker\n) {\n\n    // Contains a cache of all view states that have been loaded so far\n    // which saves us having to reload stuff with network requests when\n    // switching between conversations.\n    var stateCache = {};\n    // The current data representation of the view.\n    var viewState = null;\n    var loadedAllMessages = false;\n    var messagesOffset = 0;\n    var newMessagesPollTimer = null;\n    var isRendering = false;\n    var renderBuffer = [];\n    // If the UI is currently resetting.\n    var isResetting = true;\n    // If the UI is currently sending a message.\n    var isSendingMessage = false;\n    // If the UI is currently deleting a conversation.\n    var isDeletingConversationContent = false;\n    // A buffer of messages to send.\n    var sendMessageBuffer = [];\n    // These functions which will be generated when this module is\n    // first called. See generateRenderFunction for details.\n    var render = null;\n    // The list of renderers that have been registered to render\n    // this conversation. See generateRenderFunction for details.\n    var renderers = [];\n\n    var NEWEST_FIRST = Constants.NEWEST_MESSAGES_FIRST;\n    var LOAD_MESSAGE_LIMIT = Constants.LOAD_MESSAGE_LIMIT;\n    var MILLISECONDS_IN_SEC = Constants.MILLISECONDS_IN_SEC;\n    var SELECTORS = Constants.SELECTORS;\n    var CONVERSATION_TYPES = Constants.CONVERSATION_TYPES;\n\n    /**\n     * Get the other user userid.\n     *\n     * @return {Number} Userid.\n     */\n    var getOtherUserId = function() {\n        if (!viewState || viewState.type == CONVERSATION_TYPES.PUBLIC) {\n            return null;\n        }\n\n        var loggedInUserId = viewState.loggedInUserId;\n        if (viewState.type == CONVERSATION_TYPES.SELF) {\n            // It's a self-conversation, so the other user is the one logged in.\n            return loggedInUserId;\n        }\n\n        var otherUserIds = Object.keys(viewState.members).filter(function(userId) {\n            return loggedInUserId != userId;\n        });\n\n        return otherUserIds.length ? otherUserIds[0] : null;\n    };\n\n    /**\n     * Search the cache to see if we've already loaded a private conversation\n     * with the given user id.\n     *\n     * @param {Number} userId The id of the other user.\n     * @return {Number|null} Conversation id.\n     */\n    var getCachedPrivateConversationIdFromUserId = function(userId) {\n        return Object.keys(stateCache).reduce(function(carry, id) {\n            if (!carry) {\n                var state = stateCache[id].state;\n\n                if (state.type != CONVERSATION_TYPES.PUBLIC) {\n                    if (userId in state.members) {\n                        // We've found a cached conversation for this user!\n                        carry = state.id;\n                    }\n                }\n            }\n\n            return carry;\n        }, null);\n    };\n\n    /**\n     * Get profile info for logged in user.\n     *\n     * @param {Object} body Conversation body container element.\n     * @return {Object}\n     */\n    var getLoggedInUserProfile = function(body) {\n        return {\n            id: parseInt(body.attr('data-user-id'), 10),\n            fullname: null,\n            profileimageurl: null,\n            profileimageurlsmall: null,\n            isonline:  null,\n            showonlinestatus: null,\n            isblocked: null,\n            iscontact: null,\n            isdeleted: null,\n            canmessage: null,\n            canmessageevenifblocked: null,\n            requirescontact: null,\n            contactrequests: []\n        };\n    };\n\n    /**\n     * Get the messages offset value to load more messages.\n     *\n     * @return {Number}\n     */\n    var getMessagesOffset = function() {\n        return messagesOffset;\n    };\n\n    /**\n     * Set the messages offset value for loading more messages.\n     *\n     * @param {Number} value The offset value\n     */\n    var setMessagesOffset = function(value) {\n        messagesOffset = value;\n        stateCache[viewState.id].messagesOffset = value;\n    };\n\n    /**\n     * Check if all messages have been loaded.\n     *\n     * @return {Bool}\n     */\n    var hasLoadedAllMessages = function() {\n        return loadedAllMessages;\n    };\n\n    /**\n     * Set whether all messages have been loaded or not.\n     *\n     * @param {Bool} value If all messages have been loaded.\n     */\n    var setLoadedAllMessages = function(value) {\n        loadedAllMessages = value;\n        stateCache[viewState.id].loadedAllMessages = value;\n    };\n\n    /**\n     * Get the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.MESSAGES_CONTAINER);\n    };\n\n    /**\n     * Reformat the conversation for an event payload.\n     *\n     * @param  {Object} state The view state.\n     * @return {Object} New formatted conversation.\n     */\n    var formatConversationForEvent = function(state) {\n        return {\n            id: state.id,\n            name: state.name,\n            subname: state.subname,\n            imageUrl: state.imageUrl,\n            isFavourite: state.isFavourite,\n            isMuted: state.isMuted,\n            type: state.type,\n            totalMemberCount: state.totalMemberCount,\n            loggedInUserId: state.loggedInUserId,\n            messages: state.messages.map(function(message) {\n                return $.extend({}, message);\n            }),\n            members: Object.keys(state.members).map(function(id) {\n                var formattedMember = $.extend({}, state.members[id]);\n                formattedMember.contactrequests = state.members[id].contactrequests.map(function(request) {\n                    return $.extend({}, request);\n                });\n                return formattedMember;\n            })\n        };\n    };\n\n    /**\n     * Load up an empty private conversation between the logged in user and the\n     * other user. Sets all of the conversation details based on the other user.\n     *\n     * A conversation isn't created until the user sends the first message.\n     *\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} otherUserId The other user id.\n     * @return {Object} Profile returned from repository.\n     */\n    var loadEmptyPrivateConversation = function(loggedInUserProfile, otherUserId) {\n        var loggedInUserId = loggedInUserProfile.id;\n        // If the other user id is the same as the logged in user then this is a self\n        // conversation.\n        var conversationType = loggedInUserId == otherUserId ? CONVERSATION_TYPES.SELF : CONVERSATION_TYPES.PRIVATE;\n        var newState = StateManager.setLoadingMembers(viewState, true);\n        newState = StateManager.setLoadingMessages(newState, true);\n        render(newState);\n\n        return Repository.getMemberInfo(loggedInUserId, [otherUserId], true, true)\n            .then(function(profiles) {\n                if (profiles.length) {\n                    return profiles[0];\n                } else {\n                    throw new Error('Unable to load other user profile');\n                }\n            })\n            .then(function(profile) {\n                // If the conversation is a self conversation then the profile loaded is the\n                // logged in user so only add that to the members array.\n                var members = conversationType == CONVERSATION_TYPES.SELF ? [profile] : [profile, loggedInUserProfile];\n                var newState = StateManager.addMembers(viewState, members);\n                newState = StateManager.setLoadingMembers(newState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                newState = StateManager.setName(newState, profile.fullname);\n                newState = StateManager.setType(newState, conversationType);\n                newState = StateManager.setImageUrl(newState, profile.profileimageurl);\n                newState = StateManager.setTotalMemberCount(newState, members.length);\n                render(newState);\n                return profile;\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMembers(viewState, false);\n                render(newState);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Create a new state from a conversation object.\n     *\n     * @param {Object} conversation The conversation object.\n     * @param {Number} loggedInUserId The logged in user id.\n     * @return {Object} new state.\n     */\n    var updateStateFromConversation = function(conversation, loggedInUserId) {\n        var otherUser = null;\n        if (conversation.type == CONVERSATION_TYPES.PRIVATE) {\n            // For private conversations, remove current logged in user from the members list to get the other user.\n            var otherUsers = conversation.members.filter(function(member) {\n                return member.id != loggedInUserId;\n            });\n            otherUser = otherUsers.length ? otherUsers[0] : null;\n        } else if (conversation.type == CONVERSATION_TYPES.SELF) {\n            // Self-conversations have only one member.\n            otherUser = conversation.members[0];\n        }\n\n        var name = conversation.name;\n        var imageUrl = conversation.imageurl;\n\n        if (conversation.type != CONVERSATION_TYPES.PUBLIC) {\n            name = name || otherUser ? otherUser.fullname : '';\n            imageUrl = imageUrl || otherUser ? otherUser.profileimageurl : '';\n        }\n\n        var newState = StateManager.addMembers(viewState, conversation.members);\n        newState = StateManager.setName(newState, name);\n        newState = StateManager.setSubname(newState, conversation.subname);\n        newState = StateManager.setType(newState, conversation.type);\n        newState = StateManager.setImageUrl(newState, imageUrl);\n        newState = StateManager.setTotalMemberCount(newState, conversation.membercount);\n        newState = StateManager.setIsFavourite(newState, conversation.isfavourite);\n        newState = StateManager.setIsMuted(newState, conversation.ismuted);\n        newState = StateManager.addMessages(newState, conversation.messages);\n        newState = StateManager.setCanDeleteMessagesForAllUsers(newState, conversation.candeletemessagesforallusers);\n        return newState;\n    };\n\n    /**\n     * Get the details for a conversation from the conversation id.\n     *\n     * @param  {Number} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} messageLimit The number of messages to include.\n     * @param  {Number} messageOffset The number of messages to skip.\n     * @param  {Bool} newestFirst Order messages newest first.\n     * @return {Object} Promise resolved when loaded.\n     */\n    var loadNewConversation = function(\n        conversationId,\n        loggedInUserProfile,\n        messageLimit,\n        messageOffset,\n        newestFirst\n    ) {\n        var loggedInUserId = loggedInUserProfile.id;\n        var newState = StateManager.setLoadingMembers(viewState, true);\n        newState = StateManager.setLoadingMessages(newState, true);\n        render(newState);\n\n        return Repository.getConversation(\n            loggedInUserId,\n            conversationId,\n            true,\n            true,\n            0,\n            0,\n            messageLimit + 1,\n            messageOffset,\n            newestFirst\n        )\n            .then(function(conversation) {\n                if (conversation.messages.length > messageLimit) {\n                    conversation.messages = conversation.messages.slice(1);\n                } else {\n                    setLoadedAllMessages(true);\n                }\n\n                setMessagesOffset(messageOffset + messageLimit);\n\n                return conversation;\n            })\n            .then(function(conversation) {\n                var hasLoggedInUser = conversation.members.filter(function(member) {\n                    return member.id == loggedInUserProfile.id;\n                });\n\n                if (hasLoggedInUser.length < 1) {\n                    conversation.members = conversation.members.concat([loggedInUserProfile]);\n                }\n\n                var newState = updateStateFromConversation(conversation, loggedInUserProfile.id);\n                newState = StateManager.setLoadingMembers(newState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                return render(newState)\n                    .then(function() {\n                        return conversation;\n                    });\n            })\n            .then(function() {\n                return markConversationAsRead(conversationId);\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMembers(viewState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                render(newState);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Get the details for a conversation from and existing conversation object.\n     *\n     * @param  {Object} conversation The conversation object.\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} messageLimit The number of messages to include.\n     * @param  {Bool} newestFirst Order messages newest first.\n     * @return {Object} Promise resolved when loaded.\n     */\n    var loadExistingConversation = function(\n        conversation,\n        loggedInUserProfile,\n        messageLimit,\n        newestFirst\n    ) {\n        var hasLoggedInUser = conversation.members.filter(function(member) {\n            return member.id == loggedInUserProfile.id;\n        });\n\n        if (hasLoggedInUser.length < 1) {\n            conversation.members = conversation.members.concat([loggedInUserProfile]);\n        }\n\n        var messageCount = conversation.messages.length;\n        var hasLoadedEnoughMessages = messageCount >= messageLimit;\n        var newState = updateStateFromConversation(conversation, loggedInUserProfile.id);\n        newState = StateManager.setLoadingMembers(newState, false);\n        newState = StateManager.setLoadingMessages(newState, !hasLoadedEnoughMessages);\n        var renderPromise = render(newState);\n\n        return renderPromise.then(function() {\n                if (!hasLoadedEnoughMessages) {\n                    // We haven't got enough messages so let's load some more.\n                    return loadMessages(conversation.id, messageLimit, messageCount, newestFirst, []);\n                } else {\n                    // We've got enough messages. No need to load any more for now.\n                    return {messages: conversation.messages};\n                }\n            })\n            .then(function() {\n                var messages = viewState.messages;\n                // Update the offset to reflect the number of messages we've loaded.\n                setMessagesOffset(messages.length);\n                markConversationAsRead(viewState.id);\n\n                return messages;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Load messages for this conversation and pass them to the renderer.\n     *\n     * @param  {Number} conversationId Conversation id.\n     * @param  {Number} limit Number of messages to load.\n     * @param  {Number} offset Get messages from offset.\n     * @param  {Bool} newestFirst Get newest messages first.\n     * @param  {Array} ignoreList Ignore any messages with ids in this list.\n     * @param  {Number|null} timeFrom Only get messages from this time onwards.\n     * @return {Promise} renderer promise.\n     */\n    var loadMessages = function(conversationId, limit, offset, newestFirst, ignoreList, timeFrom) {\n        return Repository.getMessages(\n                viewState.loggedInUserId,\n                conversationId,\n                limit ? limit + 1 : limit,\n                offset,\n                newestFirst,\n                timeFrom\n            )\n            .then(function(result) {\n                // Prevent older requests from contaminating the current view.\n                if (result.id != viewState.id) {\n                    result.messages = [];\n                    // Purge old conversation cache to prevent messages lose.\n                    if (result.id in stateCache) {\n                        delete stateCache[result.id];\n                    }\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                if (result.messages.length && ignoreList.length) {\n                    result.messages = result.messages.filter(function(message) {\n                        // Skip any messages in our ignore list.\n                        return ignoreList.indexOf(parseInt(message.id, 10)) < 0;\n                    });\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                if (!limit) {\n                    return result;\n                } else if (result.messages.length > limit) {\n                    // Ignore the last result which was just to test if there are more\n                    // to load.\n                    result.messages = result.messages.slice(0, -1);\n                } else {\n                    setLoadedAllMessages(true);\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                var membersToAdd = result.members.filter(function(member) {\n                    return !(member.id in viewState.members);\n                });\n                var newState = StateManager.addMembers(viewState, membersToAdd);\n                newState = StateManager.addMessages(newState, result.messages);\n                newState = StateManager.setLoadingMessages(newState, false);\n                return render(newState)\n                    .then(function() {\n                        return result;\n                    });\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMessages(viewState, false);\n                render(newState);\n                // Re-throw the error for other error handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Create a callback function for getting new messages for this conversation.\n     *\n     * @param  {Number} conversationId Conversation id.\n     * @param  {Bool} newestFirst Show newest messages first\n     * @return {Function} Callback function that returns a renderer promise.\n     */\n    var getLoadNewMessagesCallback = function(conversationId, newestFirst) {\n        return function() {\n            var messages = viewState.messages;\n            var mostRecentMessage = messages.length ? messages[messages.length - 1] : null;\n            var lastTimeCreated = mostRecentMessage ? mostRecentMessage.timeCreated : null;\n\n            if (lastTimeCreated && !isResetting && !isSendingMessage && !isDeletingConversationContent) {\n                // There may be multiple messages with the same time created value since\n                // the accuracy is only down to the second. The server will include these\n                // messages in the result (since it does a >= comparison on time from) so\n                // we need to filter them back out of the result so that we're left only\n                // with the new messages.\n                var ignoreMessageIds = [];\n                for (var i = messages.length - 1; i >= 0; i--) {\n                    var message = messages[i];\n                    if (message.timeCreated === lastTimeCreated) {\n                        ignoreMessageIds.push(message.id);\n                    } else {\n                        // Since the messages are ordered in ascending order of time created\n                        // we can break as soon as we hit a message with a different time created\n                        // because we know all other messages will have lower values.\n                        break;\n                    }\n                }\n\n                return loadMessages(\n                        conversationId,\n                        0,\n                        0,\n                        newestFirst,\n                        ignoreMessageIds,\n                        lastTimeCreated\n                    )\n                    .then(function(result) {\n                        if (result.messages.length) {\n                            // If we found some results then restart the polling timer\n                            // because the other user might be sending messages.\n                            newMessagesPollTimer.restart();\n                            // We've also got a new last message so publish that for other\n                            // components to update.\n                            var conversation = formatConversationForEvent(viewState);\n                            PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                            return markConversationAsRead(conversationId);\n                        } else {\n                            return result;\n                        }\n                    });\n            }\n\n            return $.Deferred().resolve().promise();\n        };\n    };\n\n    /**\n     * Mark a conversation as read.\n     *\n     * @param  {Number} conversationId The conversation id.\n     * @return {Promise} The renderer promise.\n     */\n    var markConversationAsRead = function(conversationId) {\n        var loggedInUserId = viewState.loggedInUserId;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n\n        return Repository.markAllConversationMessagesAsRead(loggedInUserId, conversationId)\n            .then(function() {\n                var newState = StateManager.markMessagesAsRead(viewState, viewState.messages);\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_READ, conversationId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is request to block a user and run the renderer\n     * to show the block user dialogue.\n     *\n     * @param {Number} userId User id.\n     */\n    var requestBlockUser = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingBlockUsersById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to block a user, update the statemanager and publish\n     * a contact has been blocked.\n     *\n     * @param  {Number} userId User id of user to block.\n     * @return {Promise} Renderer promise.\n     */\n    var blockUser = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:blockUser');\n\n        render(newState);\n\n        return Repository.blockUser(viewState.loggedInUserId, userId)\n            .then(function(profile) {\n                var newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.removePendingBlockUsersById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_BLOCKED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to unblock a user and run the renderer\n     * to show the unblock user dialogue.\n     *\n     * @param {Number} userId User id of user to unblock.\n     */\n    var requestUnblockUser = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingUnblockUsersById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to unblock a user, update the statemanager and publish\n     * a contact has been unblocked.\n     *\n     * @param  {Number} userId User id of user to unblock.\n     * @return {Promise} Renderer promise.\n     */\n    var unblockUser = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:unblockUser');\n        render(newState);\n\n        return Repository.unblockUser(viewState.loggedInUserId, userId)\n            .then(function(profile) {\n                var newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.removePendingUnblockUsersById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_UNBLOCKED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to remove a user from the contact list\n     * and run the renderer to show the remove user from contacts dialogue.\n     *\n     * @param {Number} userId User id of user to remove from contacts.\n     */\n    var requestRemoveContact = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingRemoveContactsById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to remove a user from the contacts list. update the statemanager\n     * and publish a contact has been removed.\n     *\n     * @param  {Number} userId User id of user to remove from contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var removeContact = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:removeContact');\n        render(newState);\n\n        return Repository.deleteContacts(viewState.loggedInUserId, [userId])\n            .then(function(profiles) {\n                var newState = StateManager.addMembers(viewState, profiles);\n                newState = StateManager.removePendingRemoveContactsById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_REMOVED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to add a user to the contact list\n     * and run the renderer to show the add user to contacts dialogue.\n     *\n     * @param {Number} userId User id of user to add to contacts.\n     */\n    var requestAddContact = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingAddContactsById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to add a user to the contacts list. update the statemanager\n     * and publish a contact has been added.\n     *\n     * @param  {Number} userId User id of user to add to contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var addContact = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:addContactRequests');\n        render(newState);\n\n        return Repository.createContactRequest(viewState.loggedInUserId, userId)\n            .then(function(response) {\n                if (!response.request) {\n                    throw new Error(response.warnings[0].message);\n                }\n\n                return response.request;\n            })\n            .then(function(request) {\n                var newState = StateManager.removePendingAddContactsById(viewState, [userId]);\n                newState = StateManager.addContactRequests(newState, [request]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Set the current conversation as a favourite conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var setFavourite = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:setFavourite');\n\n        return Repository.setFavouriteConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsFavourite(viewState, true);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_SET_FAVOURITE,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Unset the current conversation as a favourite conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var unsetFavourite = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:unsetFavourite');\n\n        return Repository.unsetFavouriteConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsFavourite(viewState, false);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_UNSET_FAVOURITE,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Set the current conversation as a muted conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var setMuted = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n\n        return Repository.setMutedConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsMuted(viewState, true);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_SET_MUTED,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Unset the current conversation as a muted conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var unsetMuted = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n\n        return Repository.unsetMutedConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsMuted(viewState, false);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_UNSET_MUTED,\n                    formatConversationForEvent(viewState)\n                );\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to delete the selected messages\n     * and run the renderer to show confirm delete messages dialogue.\n     *\n     * @param {Number} userId User id.\n     */\n    var requestDeleteSelectedMessages = function(userId) {\n        var selectedMessageIds = viewState.selectedMessageIds;\n        cancelRequest(userId);\n        var newState = StateManager.addPendingDeleteMessagesById(viewState, selectedMessageIds);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to delete the messages pending deletion. Update the statemanager\n     * and publish a message deletion event.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var deleteSelectedMessages = function() {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:deleteSelectedMessages');\n        var messageIds = viewState.pendingDeleteMessageIds;\n        var sentMessages = viewState.messages.filter(function(message) {\n            // If a message sendState is null then it means it was loaded from the server or if it's\n            // set to sent then it means the user has successfully sent it in this page load.\n            return messageIds.indexOf(message.id) >= 0 && (message.sendState == 'sent' || message.sendState === null);\n        });\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n\n        render(newState);\n\n        var deleteMessagesPromise = $.Deferred().resolve().promise();\n\n\n        if (sentMessages.length) {\n            // We only need to send a request to the server if we're trying to delete messages that\n            // have successfully been sent.\n            var sentMessageIds = sentMessages.map(function(message) {\n                return message.id;\n            });\n            if (newState.deleteMessagesForAllUsers) {\n                deleteMessagesPromise = Repository.deleteMessagesForAllUsers(viewState.loggedInUserId, sentMessageIds);\n            } else {\n                deleteMessagesPromise = Repository.deleteMessages(viewState.loggedInUserId, sentMessageIds);\n            }\n        }\n\n        // Mark that we are deleting content from the  conversation to prevent updates of it.\n        isDeletingConversationContent = true;\n\n        // Stop polling for new messages to the open conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        return deleteMessagesPromise.then(function() {\n                var newState = StateManager.removeMessagesById(viewState, messageIds);\n                newState = StateManager.removePendingDeleteMessagesById(newState, messageIds);\n                newState = StateManager.removeSelectedMessagesById(newState, messageIds);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                newState = StateManager.setDeleteMessagesForAllUsers(newState, false);\n\n                var prevLastMessage = viewState.messages[viewState.messages.length - 1];\n                var newLastMessage = newState.messages.length ? newState.messages[newState.messages.length - 1] : null;\n\n                if (newLastMessage && newLastMessage.id != prevLastMessage.id) {\n                    var conversation = formatConversationForEvent(newState);\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                } else if (!newState.messages.length) {\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED, newState.id);\n                }\n\n                isDeletingConversationContent = false;\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Tell the statemanager there is a request to delete a conversation\n     * and run the renderer to show confirm delete conversation dialogue.\n     *\n     * @param {Number} userId User id of other user.\n     */\n    var requestDeleteConversation = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.setPendingDeleteConversation(viewState, true);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to delete a conversation. Update the statemanager\n     * and publish a conversation deleted event.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var deleteConversation = function() {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        // Mark that we are deleting the conversation to prevent updates of it.\n        isDeletingConversationContent = true;\n\n        // Stop polling for new messages to the open conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        return Repository.deleteConversation(viewState.loggedInUserId, viewState.id)\n            .then(function() {\n                var newState = StateManager.removeMessages(viewState, viewState.messages);\n                newState = StateManager.removeSelectedMessagesById(newState, viewState.selectedMessageIds);\n                newState = StateManager.setPendingDeleteConversation(newState, false);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED, newState.id);\n\n                isDeletingConversationContent = false;\n\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager to cancel all pending actions.\n     *\n     * @param  {Number} userId User id.\n     */\n    var cancelRequest = function(userId) {\n        var pendingDeleteMessageIds = viewState.pendingDeleteMessageIds;\n        var newState = StateManager.removePendingAddContactsById(viewState, [userId]);\n        newState = StateManager.removePendingRemoveContactsById(newState, [userId]);\n        newState = StateManager.removePendingUnblockUsersById(newState, [userId]);\n        newState = StateManager.removePendingBlockUsersById(newState, [userId]);\n        newState = StateManager.removePendingDeleteMessagesById(newState, pendingDeleteMessageIds);\n        newState = StateManager.setPendingDeleteConversation(newState, false);\n        newState = StateManager.setDeleteMessagesForAllUsers(newState, false);\n        render(newState);\n    };\n\n    /**\n     * Accept the contact request from the given user.\n     *\n     * @param  {Number} userId User id of other user.\n     * @return {Promise} Renderer promise.\n     */\n    var acceptContactRequest = function(userId) {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:acceptContactRequest');\n\n        // Search the list of the logged in user's contact requests to find the\n        // one from this user.\n        var loggedInUserId = viewState.loggedInUserId;\n        var requests = viewState.members[userId].contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId;\n        });\n        var request = requests[0];\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        return Repository.acceptContactRequest(userId, loggedInUserId)\n            .then(function(profile) {\n                var newState = StateManager.removeContactRequests(viewState, [request]);\n                newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.CONTACT_ADDED, viewState.members[userId]);\n                PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, request);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Decline the contact request from the given user.\n     *\n     * @param  {Number} userId User id of other user.\n     * @return {Promise} Renderer promise.\n     */\n    var declineContactRequest = function(userId) {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:declineContactRequest');\n\n        // Search the list of the logged in user's contact requests to find the\n        // one from this user.\n        var loggedInUserId = viewState.loggedInUserId;\n        var requests = viewState.members[userId].contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId;\n        });\n        var request = requests[0];\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        return Repository.declineContactRequest(userId, loggedInUserId)\n            .then(function(profile) {\n                var newState = StateManager.removeContactRequests(viewState, [request]);\n                newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, request);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Send all of the messages in the buffer to the server to be created. Update the\n     * UI with the newly created message information.\n     *\n     * This function will recursively call itself in order to make sure the buffer is\n     * always being processed.\n     */\n    var processSendMessageBuffer = function() {\n        if (isSendingMessage) {\n            // We're already sending messages so nothing to do.\n            return;\n        }\n        if (!sendMessageBuffer.length) {\n            // No messages waiting to send. Nothing to do.\n            return;\n        }\n\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:processSendMessageBuffer');\n\n        // Flag that we're processing the queue.\n        isSendingMessage = true;\n        // Grab all of the messages in the buffer.\n        var messagesToSend = sendMessageBuffer.slice();\n        // Empty the buffer since we're processing it.\n        sendMessageBuffer = [];\n        var conversationId = viewState.id;\n        var newConversationId = null;\n        var messagesText = messagesToSend.map(function(message) {\n            return message.text;\n        });\n        var messageIds = messagesToSend.map(function(message) {\n            return message.id;\n        });\n        var sendMessagePromise = null;\n        var newCanDeleteMessagesForAllUsers = null;\n        if (!conversationId && (viewState.type != CONVERSATION_TYPES.PUBLIC)) {\n            // If it's a new private conversation then we need to use the old\n            // web service function to create the conversation.\n            var otherUserId = getOtherUserId();\n            sendMessagePromise = Repository.sendMessagesToUser(otherUserId, messagesText)\n                .then(function(messages) {\n                    if (messages.length) {\n                        newConversationId = parseInt(messages[0].conversationid, 10);\n                        newCanDeleteMessagesForAllUsers = messages[0].candeletemessagesforallusers;\n                    }\n                    return messages;\n                });\n        } else {\n            sendMessagePromise = Repository.sendMessagesToConversation(conversationId, messagesText);\n        }\n\n        sendMessagePromise\n            .then(function(messages) {\n                var newMessageIds = messages.map(function(message) {\n                    return message.id;\n                });\n                var data = [];\n                var selectedToRemove = [];\n                var selectedToAdd = [];\n\n                messagesToSend.forEach(function(oldMessage, index) {\n                    var newMessage = messages[index];\n                    // Update messages expects and array of arrays where the first value\n                    // is the old message to update and the second value is the new values\n                    // to set.\n                    data.push([oldMessage, newMessage]);\n\n                    if (viewState.selectedMessageIds.indexOf(oldMessage.id) >= 0) {\n                        // If the message was added to the \"selected messages\" list while it was still\n                        // being sent then we should update it's id in that list now to make sure future\n                        // actions work.\n                        selectedToRemove.push(oldMessage.id);\n                        selectedToAdd.push(newMessage.id);\n                    }\n                });\n                var newState = StateManager.updateMessages(viewState, data);\n                newState = StateManager.setMessagesSendSuccessById(newState, newMessageIds);\n\n                if (selectedToRemove.length) {\n                    newState = StateManager.removeSelectedMessagesById(newState, selectedToRemove);\n                }\n\n                if (selectedToAdd.length) {\n                    newState = StateManager.addSelectedMessagesById(newState, selectedToAdd);\n                }\n\n                var conversation = formatConversationForEvent(newState);\n\n                if (!newState.id) {\n                    // If this message created the conversation then save the conversation\n                    // id.\n                    newState = StateManager.setId(newState, newConversationId);\n                    conversation.id = newConversationId;\n                    resetMessagePollTimer(newConversationId);\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_CREATED, conversation);\n                    newState = StateManager.setCanDeleteMessagesForAllUsers(newState, newCanDeleteMessagesForAllUsers);\n                }\n\n                // Update the UI with the new message values from the server.\n                render(newState);\n                // Recurse just in case there has been more messages added to the buffer.\n                isSendingMessage = false;\n                processSendMessageBuffer();\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            })\n            .catch(function(e) {\n                var errorMessage;\n                if (e.message) {\n                    errorMessage = $.Deferred().resolve(e.message).promise();\n                } else {\n                    errorMessage = Str.get_string('unknownerror', 'core');\n                }\n\n                var handleFailedMessages = function(errorMessage) {\n                    // We failed to create messages so remove the old messages from the pending queue\n                    // and update the UI to indicate that the message failed.\n                    var newState = StateManager.setMessagesSendFailById(viewState, messageIds, errorMessage);\n                    render(newState);\n                    isSendingMessage = false;\n                    processSendMessageBuffer();\n                };\n\n                errorMessage.then(handleFailedMessages)\n                    .then(function(result) {\n                        pendingPromise.resolve();\n\n                        return result;\n                    })\n                    .catch(function(e) {\n                        // Hrmm, we can't even load the error messages string! We'll have to\n                        // hard code something in English here if we still haven't got a message\n                        // to show.\n                        var finalError = e.message || 'Something went wrong!';\n                        handleFailedMessages(finalError);\n                    });\n            });\n    };\n\n    /**\n     * Create a plain version of an HTML text.\n     *\n     * This texts is used as a message preview while is sent to the server. This way\n     * it is possible to prevent self-xss.\n     *\n     * @param {String} text Text to send.\n     * @return {String} The plain text version of the text.\n     */\n    const previewText = function(text) {\n        // Remove all script and styles from text (we don't want it there).\n        let plaintext = text.replace(/<style([\\s\\S]*?)<\\/style>/gi, '');\n        plaintext = plaintext.replace(/<script([\\s\\S]*?)<\\/script>/gi, '');\n        // Beautify a bit the output adding some line breaks.\n        plaintext = plaintext.replace(/<\\/div>/ig, '\\n');\n        plaintext = plaintext.replace(/<\\/li>/ig, '\\n');\n        plaintext = plaintext.replace(/<li>/ig, '  *  ');\n        plaintext = plaintext.replace(/<\\/ul>/ig, '\\n');\n        plaintext = plaintext.replace(/<\\/p>/ig, '\\n');\n        plaintext = plaintext.replace(/<br[^>]*>/gi, '\\n');\n        // Remove all remaining tags and convert line breaks into html.\n        plaintext = plaintext.replace(/<[^>]+>/ig, '');\n        plaintext = plaintext.replace(/\\n+/ig, '\\n');\n        return plaintext.replace(/\\n/ig, '<br>');\n    };\n\n    /**\n     * Buffers messages to be sent to the server. We use a buffer here to allow the\n     * user to freely input messages without blocking the interface for them.\n     *\n     * Instead we just queue all of their messages up and send them as fast as we can.\n     *\n     * @param {String} text Text to send.\n     */\n    var sendMessage = function(text) {\n        var id = 'temp' + Date.now();\n        // Render a preview version of the message while sending.\n        let loadingmessage = {\n            id: id,\n            useridfrom: viewState.loggedInUserId,\n            text:  previewText(text),\n            timecreated: null\n        };\n        var newState = StateManager.addMessages(viewState, [loadingmessage]);\n        render(newState);\n        // Send the real message.\n        var message = {\n            id: id,\n            useridfrom: viewState.loggedInUserId,\n            text: text,\n            timecreated: null\n        };\n        sendMessageBuffer.push(message);\n        processSendMessageBuffer();\n    };\n\n    /**\n     * Retry sending a message that failed.\n     *\n     * @param {Object} message The message to send.\n     */\n    var retrySendMessage = function(message) {\n        var newState = StateManager.setMessagesSendPendingById(viewState, [message.id]);\n        render(newState);\n        sendMessageBuffer.push(message);\n        processSendMessageBuffer();\n    };\n\n    /**\n     * Toggle the selected messages update the statemanager and render the result.\n     *\n     * @param  {Number} messageId The id of the message to be toggled\n     */\n    var toggleSelectMessage = function(messageId) {\n        var newState = viewState;\n\n        if (viewState.selectedMessageIds.indexOf(messageId) > -1) {\n            newState = StateManager.removeSelectedMessagesById(viewState, [messageId]);\n        } else {\n            newState = StateManager.addSelectedMessagesById(viewState, [messageId]);\n        }\n\n        render(newState);\n    };\n\n    /**\n     * Cancel edit mode (selecting the messages).\n     */\n    var cancelEditMode = function() {\n        cancelRequest(getOtherUserId());\n        var newState = StateManager.removeSelectedMessagesById(viewState, viewState.selectedMessageIds);\n        render(newState);\n    };\n\n    /**\n     * Process the patches in the render buffer one at a time in order until the\n     * buffer is empty.\n     *\n     * @param {Object} header The conversation header container element.\n     * @param {Object} body The conversation body container element.\n     * @param {Object} footer The conversation footer container element.\n     */\n    var processRenderBuffer = function(header, body, footer) {\n        if (isRendering) {\n            return;\n        }\n\n        if (!renderBuffer.length) {\n            return;\n        }\n\n        isRendering = true;\n        var renderable = renderBuffer.shift();\n        var renderPromises = renderers.map(function(renderFunc) {\n            return renderFunc(renderable.patch);\n        });\n\n        $.when.apply(null, renderPromises)\n            .then(function() {\n                isRendering = false;\n                renderable.deferred.resolve(true);\n                // Keep processing the buffer until it's empty.\n                processRenderBuffer(header, body, footer);\n\n                return;\n            })\n            .catch(function(error) {\n                isRendering = false;\n                renderable.deferred.reject(error);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Create a function to render the Conversation.\n     *\n     * @param  {Object} header The conversation header container element.\n     * @param  {Object} body The conversation body container element.\n     * @param  {Object} footer The conversation footer container element.\n     * @param  {Bool} isNewConversation Has someone else already initialised a conversation?\n     * @return {Promise} Renderer promise.\n     */\n    var generateRenderFunction = function(header, body, footer, isNewConversation) {\n        var rendererFunc = function(patch) {\n            return Renderer.render(header, body, footer, patch);\n        };\n\n        if (!isNewConversation) {\n            // Looks like someone got here before us! We'd better update our\n            // UI to make sure it matches.\n            var initialState = StateManager.buildInitialState(viewState.midnight, viewState.loggedInUserId, viewState.id);\n            var syncPatch = Patcher.buildPatch(initialState, viewState);\n            rendererFunc(syncPatch);\n        }\n\n        renderers.push(rendererFunc);\n\n        return function(newState) {\n            var patch = Patcher.buildPatch(viewState, newState);\n            var deferred = $.Deferred();\n\n            // Check if the patch has any data. Ignore empty patches.\n            if (Object.keys(patch).length) {\n                // Add the patch to the render buffer which gets processed in order.\n                renderBuffer.push({\n                    patch: patch,\n                    deferred: deferred\n                });\n            } else {\n                deferred.resolve(true);\n            }\n            // This is a great place to add in some console logging if you need\n            // to debug something. You can log the current state, the next state,\n            // and the generated patch and see exactly what will be updated.\n\n            // Optimistically update the state. We're going to assume that the rendering\n            // will always succeed. The rendering is asynchronous (annoyingly) so it's buffered\n            // but it'll reach eventual consistency with the current state.\n            viewState = newState;\n            if (newState.id) {\n                // Only cache created conversations.\n                stateCache[newState.id] = {\n                    state: newState,\n                    messagesOffset: getMessagesOffset(),\n                    loadedAllMessages: hasLoadedAllMessages()\n                };\n            }\n\n            // Start processing the buffer.\n            processRenderBuffer(header, body, footer);\n\n            return deferred.promise();\n        };\n    };\n\n    /**\n     * Create a confirm action function.\n     *\n     * @param {Function} actionCallback The callback function.\n     * @return {Function} Confirm action handler.\n     */\n    var generateConfirmActionHandler = function(actionCallback) {\n        return function(e, data) {\n            if (!viewState.loadingConfirmAction) {\n                actionCallback(getOtherUserId());\n                var newState = StateManager.setLoadingConfirmAction(viewState, false);\n                render(newState);\n            }\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Send message event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSendMessage = function(e, data) {\n        var target = $(e.target);\n        var footerContainer = target.closest(SELECTORS.FOOTER_CONTAINER);\n        var textArea = footerContainer.find(SELECTORS.MESSAGE_TEXT_AREA);\n        var text = textArea.val().trim();\n\n        if (text !== '') {\n            sendMessage(text);\n            textArea.val('');\n            textArea.focus();\n        }\n\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Select message event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSelectMessage = function(e, data) {\n        var selection = window.getSelection();\n        var target = $(e.target);\n\n        if (selection.toString() != '') {\n            // Bail if we're selecting.\n            return;\n        }\n\n        if (target.is('a')) {\n            // Clicking on a link in the message so ignore it.\n            return;\n        }\n\n        var element = target.closest(SELECTORS.MESSAGE);\n        var messageId = element.attr('data-message-id');\n\n        toggleSelectMessage(messageId);\n\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle retry sending of message.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleRetrySendMessage = function(e, data) {\n        var target = $(e.target);\n        var element = target.closest(SELECTORS.MESSAGE);\n        var messageId = element.attr('data-message-id');\n        var messages = viewState.messages.filter(function(message) {\n            return message.id == messageId;\n        });\n        var message = messages.length ? messages[0] : null;\n\n        if (message) {\n            retrySendMessage(message);\n        }\n\n        data.originalEvent.preventDefault();\n        data.originalEvent.stopPropagation();\n        e.stopPropagation();\n    };\n\n    /**\n     * Cancel edit mode event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleCancelEditMode = function(e, data) {\n        cancelEditMode();\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Show the view contact page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {Function} View contact handler.\n     */\n    var generateHandleViewContact = function(namespace) {\n        return function(e, data) {\n            var otherUserId = getOtherUserId();\n            var otherUser = viewState.members[otherUserId];\n            MessageDrawerRouter.go(namespace, MessageDrawerRoutes.VIEW_CONTACT, otherUser);\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Set this conversation as a favourite.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSetFavourite = function(e, data) {\n        setFavourite().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Unset this conversation as a favourite.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleUnsetFavourite = function(e, data) {\n        unsetFavourite().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Show the view group info page.\n     * Set this conversation as muted.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSetMuted = function(e, data) {\n        setMuted().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Unset this conversation as muted.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleUnsetMuted = function(e, data) {\n        unsetMuted().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle clicking on the checkbox that toggles deleting messages for\n     * all users.\n     *\n     * @param {Object} e Element this event handler is called on.\n     */\n    var handleDeleteMessagesForAllUsersToggle = function(e) {\n        var newValue = $(e.target).prop('checked');\n        var newState = StateManager.setDeleteMessagesForAllUsers(viewState, newValue);\n        render(newState);\n    };\n\n    /**\n     * Show the view contact page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {Function} View group info handler.\n     */\n    var generateHandleViewGroupInfo = function(namespace) {\n        return function(e, data) {\n            MessageDrawerRouter.go(\n                namespace,\n                MessageDrawerRoutes.VIEW_GROUP_INFO,\n                {\n                    id: viewState.id,\n                    name: viewState.name,\n                    subname: viewState.subname,\n                    imageUrl: viewState.imageUrl,\n                    totalMemberCount: viewState.totalMemberCount\n                },\n                viewState.loggedInUserId\n            );\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Handle clicking on the emoji toggle button.\n     *\n     * @param {Object} e The event\n     * @param {Object} data The custom interaction event data\n     */\n    var handleToggleEmojiPicker = function(e, data) {\n        var newState = StateManager.setShowEmojiPicker(viewState, !viewState.showEmojiPicker);\n        render(newState);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle clicking outside the emoji picker to close it.\n     *\n     * @param {Object} e The event\n     */\n    var handleCloseEmojiPicker = function(e) {\n        var target = $(e.target);\n\n        if (\n            viewState.showEmojiPicker &&\n            !target.closest(SELECTORS.EMOJI_PICKER_CONTAINER).length &&\n            !target.closest(SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON).length\n        ) {\n            var newState = StateManager.setShowEmojiPicker(viewState, false);\n            render(newState);\n        }\n    };\n\n    /**\n     * Listen to, and handle events for conversations.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Conversation header container element.\n     * @param {Object} body Conversation body container element.\n     * @param {Object} footer Conversation footer container element.\n     */\n    var registerEventListeners = function(namespace, header, body, footer) {\n        var isLoadingMoreMessages = false;\n        var messagesContainer = getMessagesContainer(body);\n        var emojiPickerElement = footer.find(SELECTORS.EMOJI_PICKER);\n        var emojiAutoCompleteContainer = footer.find(SELECTORS.EMOJI_AUTO_COMPLETE_CONTAINER);\n        var messageTextArea = footer.find(SELECTORS.MESSAGE_TEXT_AREA);\n        var headerActivateHandlers = [\n            [SELECTORS.ACTION_REQUEST_BLOCK, generateConfirmActionHandler(requestBlockUser)],\n            [SELECTORS.ACTION_REQUEST_UNBLOCK, generateConfirmActionHandler(requestUnblockUser)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_REQUEST_REMOVE_CONTACT, generateConfirmActionHandler(requestRemoveContact)],\n            [SELECTORS.ACTION_REQUEST_DELETE_CONVERSATION, generateConfirmActionHandler(requestDeleteConversation)],\n            [SELECTORS.ACTION_CANCEL_EDIT_MODE, handleCancelEditMode],\n            [SELECTORS.ACTION_VIEW_CONTACT, generateHandleViewContact(namespace)],\n            [SELECTORS.ACTION_VIEW_GROUP_INFO, generateHandleViewGroupInfo(namespace)],\n            [SELECTORS.ACTION_CONFIRM_FAVOURITE, handleSetFavourite],\n            [SELECTORS.ACTION_CONFIRM_MUTE, handleSetMuted],\n            [SELECTORS.ACTION_CONFIRM_UNFAVOURITE, handleUnsetFavourite],\n            [SELECTORS.ACTION_CONFIRM_UNMUTE, handleUnsetMuted]\n        ];\n        var bodyActivateHandlers = [\n            [SELECTORS.ACTION_CANCEL_CONFIRM, generateConfirmActionHandler(cancelRequest)],\n            [SELECTORS.ACTION_CONFIRM_BLOCK, generateConfirmActionHandler(blockUser)],\n            [SELECTORS.ACTION_CONFIRM_UNBLOCK, generateConfirmActionHandler(unblockUser)],\n            [SELECTORS.ACTION_CONFIRM_ADD_CONTACT, generateConfirmActionHandler(addContact)],\n            [SELECTORS.ACTION_CONFIRM_REMOVE_CONTACT, generateConfirmActionHandler(removeContact)],\n            [SELECTORS.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES, generateConfirmActionHandler(deleteSelectedMessages)],\n            [SELECTORS.ACTION_CONFIRM_DELETE_CONVERSATION, generateConfirmActionHandler(deleteConversation)],\n            [SELECTORS.ACTION_OKAY_CONFIRM, generateConfirmActionHandler(cancelRequest)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_ACCEPT_CONTACT_REQUEST, generateConfirmActionHandler(acceptContactRequest)],\n            [SELECTORS.ACTION_DECLINE_CONTACT_REQUEST, generateConfirmActionHandler(declineContactRequest)],\n            [SELECTORS.MESSAGE, handleSelectMessage],\n            [SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE, handleDeleteMessagesForAllUsersToggle],\n            [SELECTORS.RETRY_SEND, handleRetrySendMessage]\n        ];\n        var footerActivateHandlers = [\n            [SELECTORS.SEND_MESSAGE_BUTTON, handleSendMessage],\n            [SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON, handleToggleEmojiPicker],\n            [SELECTORS.ACTION_REQUEST_DELETE_SELECTED_MESSAGES, generateConfirmActionHandler(requestDeleteSelectedMessages)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_REQUEST_UNBLOCK, generateConfirmActionHandler(requestUnblockUser)],\n        ];\n\n        AutoRows.init(footer);\n\n        if (emojiAutoCompleteContainer.length) {\n            initialiseEmojiAutoComplete(\n                emojiAutoCompleteContainer[0],\n                messageTextArea[0],\n                function(hasSuggestions) {\n                    var newState = StateManager.setShowEmojiAutoComplete(viewState, hasSuggestions);\n                    render(newState);\n                },\n                function(emoji) {\n                    var newState = StateManager.setShowEmojiAutoComplete(viewState, false);\n                    render(newState);\n\n                    messageTextArea.focus();\n                    var cursorPos = messageTextArea.prop('selectionStart');\n                    var currentText = messageTextArea.val();\n                    var textBefore = currentText.substring(0, cursorPos).replace(/\\S*$/, '');\n                    var textAfter = currentText.substring(cursorPos).replace(/^\\S*/, '');\n\n                    messageTextArea.val(textBefore + emoji + textAfter);\n                    // Set the cursor position to after the inserted emoji.\n                    messageTextArea.prop('selectionStart', textBefore.length + emoji.length);\n                    messageTextArea.prop('selectionEnd', textBefore.length + emoji.length);\n                }\n            );\n        }\n\n        if (emojiPickerElement.length) {\n            initialiseEmojiPicker(emojiPickerElement[0], function(emoji) {\n                var newState = StateManager.setShowEmojiPicker(viewState, !viewState.showEmojiPicker);\n                render(newState);\n\n                messageTextArea.focus();\n                var cursorPos = messageTextArea.prop('selectionStart');\n                var currentText = messageTextArea.val();\n                var textBefore = currentText.substring(0, cursorPos);\n                var textAfter = currentText.substring(cursorPos, currentText.length);\n\n                messageTextArea.val(textBefore + emoji + textAfter);\n                // Set the cursor position to after the inserted emoji.\n                messageTextArea.prop('selectionStart', cursorPos + emoji.length);\n                messageTextArea.prop('selectionEnd', cursorPos + emoji.length);\n            });\n        }\n\n        CustomEvents.define(header, [\n            CustomEvents.events.activate\n        ]);\n        CustomEvents.define(body, [\n            CustomEvents.events.activate\n        ]);\n        CustomEvents.define(footer, [\n            CustomEvents.events.activate,\n            CustomEvents.events.enter,\n            CustomEvents.events.escape\n        ]);\n        CustomEvents.define(messagesContainer, [\n            CustomEvents.events.scrollTop,\n            CustomEvents.events.scrollLock\n        ]);\n\n        messagesContainer.on(CustomEvents.events.scrollTop, function(e, data) {\n            var hasMembers = Object.keys(viewState.members).length > 1;\n\n            if (!isResetting && !isLoadingMoreMessages && !hasLoadedAllMessages() && hasMembers) {\n                isLoadingMoreMessages = true;\n                var newState = StateManager.setLoadingMessages(viewState, true);\n                render(newState);\n\n                loadMessages(viewState.id, LOAD_MESSAGE_LIMIT, getMessagesOffset(), NEWEST_FIRST, [])\n                    .then(function() {\n                        isLoadingMoreMessages = false;\n                        setMessagesOffset(getMessagesOffset() + LOAD_MESSAGE_LIMIT);\n                        return;\n                    })\n                    .catch(function(error) {\n                        isLoadingMoreMessages = false;\n                        Notification.exception(error);\n                    });\n            }\n\n            data.originalEvent.preventDefault();\n        });\n\n        headerActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            header.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        bodyActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            body.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        footerActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            footer.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        footer.on(CustomEvents.events.enter, SELECTORS.MESSAGE_TEXT_AREA, function(e, data) {\n            var enterToSend = footer.attr('data-enter-to-send');\n            if (enterToSend && enterToSend != 'false' && enterToSend != '0') {\n                handleSendMessage(e, data);\n            }\n        });\n\n        footer.on(CustomEvents.events.escape, SELECTORS.EMOJI_PICKER_CONTAINER, handleToggleEmojiPicker);\n        $(document.body).on('click', handleCloseEmojiPicker);\n\n        PubSub.subscribe(MessageDrawerEvents.ROUTE_CHANGED, function(newRouteData) {\n            if (newMessagesPollTimer) {\n                if (newRouteData.route != MessageDrawerRoutes.VIEW_CONVERSATION) {\n                    newMessagesPollTimer.stop();\n                }\n            }\n        });\n    };\n\n    /**\n     * Reset the timer that polls for new messages.\n     *\n     * @param  {Number} conversationId The conversation id\n     */\n    var resetMessagePollTimer = function(conversationId) {\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        newMessagesPollTimer = new BackOffTimer(\n            getLoadNewMessagesCallback(conversationId, NEWEST_FIRST),\n            BackOffTimer.getIncrementalCallback(\n                viewState.messagePollMin * MILLISECONDS_IN_SEC,\n                MILLISECONDS_IN_SEC,\n                viewState.messagePollMax * MILLISECONDS_IN_SEC,\n                viewState.messagePollAfterMax * MILLISECONDS_IN_SEC\n            )\n        );\n\n        newMessagesPollTimer.start();\n    };\n\n    /**\n     * Reset the state to the initial state and render the UI.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number|null} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     */\n    var resetState = function(body, conversationId, loggedInUserProfile) {\n        // Reset all of the states back to the beginning if we're loading a new\n        // conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n        loadedAllMessages = false;\n        messagesOffset = 0;\n        newMessagesPollTimer = null;\n        isRendering = false;\n        renderBuffer = [];\n        isResetting = true;\n        isSendingMessage = false;\n        isDeletingConversationContent = false;\n        sendMessageBuffer = [];\n\n        var loggedInUserId = loggedInUserProfile.id;\n        var midnight = parseInt(body.attr('data-midnight'), 10);\n        var messagePollMin = parseInt(body.attr('data-message-poll-min'), 10);\n        var messagePollMax = parseInt(body.attr('data-message-poll-max'), 10);\n        var messagePollAfterMax = parseInt(body.attr('data-message-poll-after-max'), 10);\n        var initialState = StateManager.buildInitialState(\n            midnight,\n            loggedInUserId,\n            conversationId,\n            messagePollMin,\n            messagePollMax,\n            messagePollAfterMax\n        );\n\n        if (!viewState) {\n            viewState = initialState;\n        }\n\n        render(initialState);\n    };\n\n    /**\n     * Load a new empty private conversation between two users or self-conversation.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @param  {Int} otherUserId The other user's id.\n     * @return {Promise} Renderer promise.\n     */\n    var resetNoConversation = function(body, loggedInUserProfile, otherUserId) {\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, null, loggedInUserProfile);\n\n        var resetNoConversationPromise = null;\n\n        if (loggedInUserProfile.id != otherUserId) {\n            // Private conversation between two different users.\n            resetNoConversationPromise = Repository.getConversationBetweenUsers(\n                loggedInUserProfile.id,\n                otherUserId,\n                true,\n                true,\n                0,\n                0,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        } else {\n            // Self conversation.\n            resetNoConversationPromise = Repository.getSelfConversation(\n                loggedInUserProfile.id,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        }\n\n        return resetNoConversationPromise.then(function(conversation) {\n                // Looks like we have a conversation after all! Let's use that.\n                return resetByConversation(body, conversation, loggedInUserProfile);\n            })\n            .catch(function() {\n                // Can't find a conversation. Oh well. Just load up a blank one.\n                return loadEmptyPrivateConversation(loggedInUserProfile, otherUserId);\n            });\n    };\n\n    /**\n     * Load new messages into the conversation based on a time interval.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @return {Promise} Renderer promise.\n     */\n    var resetById = function(body, conversationId, loggedInUserProfile) {\n        var cache = null;\n        if (conversationId in stateCache) {\n            cache = stateCache[conversationId];\n        }\n\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, conversationId, loggedInUserProfile);\n\n        var promise = $.Deferred().resolve({}).promise();\n        if (cache) {\n            // We've seen this conversation before so there is no need to\n            // send any network requests.\n            var newState = cache.state;\n            // Reset some loading states just in case they were left weirdly.\n            newState = StateManager.setLoadingMessages(newState, false);\n            newState = StateManager.setLoadingMembers(newState, false);\n            setMessagesOffset(cache.messagesOffset);\n            setLoadedAllMessages(cache.loadedAllMessages);\n            render(newState);\n        } else {\n            promise = loadNewConversation(\n                conversationId,\n                loggedInUserProfile,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        }\n\n        return promise.then(function() {\n            return resetMessagePollTimer(conversationId);\n        });\n    };\n\n    /**\n     * Load new messages into the conversation based on a time interval.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Object} conversation The conversation.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @return {Promise} Renderer promise.\n     */\n    var resetByConversation = function(body, conversation, loggedInUserProfile) {\n        var cache = null;\n        if (conversation.id in stateCache) {\n            cache = stateCache[conversation.id];\n        }\n\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, conversation.id, loggedInUserProfile);\n\n        var promise = $.Deferred().resolve({}).promise();\n        if (cache) {\n            // We've seen this conversation before so there is no need to\n            // send any network requests.\n            var newState = cache.state;\n            // Reset some loading states just in case they were left weirdly.\n            newState = StateManager.setLoadingMessages(newState, false);\n            newState = StateManager.setLoadingMembers(newState, false);\n            setMessagesOffset(cache.messagesOffset);\n            setLoadedAllMessages(cache.loadedAllMessages);\n            render(newState);\n        } else {\n            promise = loadExistingConversation(\n                conversation,\n                loggedInUserProfile,\n                LOAD_MESSAGE_LIMIT,\n                NEWEST_FIRST\n            );\n        }\n\n        return promise.then(function() {\n            return resetMessagePollTimer(conversation.id);\n        });\n    };\n\n    /**\n     * Setup the conversation page. This is a rather complex function because there are a\n     * few combinations of arguments that can be provided to this function to show the\n     * conversation.\n     *\n     * There are:\n     * 1.) A conversation object with no action or other user id (e.g. from the overview page)\n     * 2.) A conversation id with no action or other user id (e.g. from the contacts page)\n     * 3.) No conversation/id with an action and other other user id. (e.g. from contact page)\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Conversation header container element.\n     * @param {Object} body Conversation body container element.\n     * @param {Object} footer Conversation footer container element.\n     * @param {Object|Number|null} conversationOrId Conversation or id or null\n     * @param {String} action An action to take on the conversation\n     * @param {Number} otherUserId The other user id for a private conversation\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, conversationOrId, action, otherUserId) {\n        var conversation = null;\n        var conversationId = null;\n\n        // Check what we were given to identify the conversation.\n        if (conversationOrId && conversationOrId !== null && typeof conversationOrId == 'object') {\n            conversation = conversationOrId;\n            conversationId = parseInt(conversation.id, 10);\n        } else {\n            conversation = null;\n            conversationId = parseInt(conversationOrId, 10);\n            conversationId = isNaN(conversationId) ? null : conversationId;\n        }\n\n        if (!conversationId && action && otherUserId) {\n            // If we didn't get a conversation id got a user id then let's see if we've\n            // previously loaded a private conversation with this user.\n            conversationId = getCachedPrivateConversationIdFromUserId(otherUserId);\n        }\n\n        // This is a new conversation if:\n        // 1. We don't already have a state\n        // 2. The given conversation doesn't match the one currently loaded\n        // 3. We have a view state without a conversation id and we weren't given one\n        //    but we were given a different other user id. This happens when the user\n        //    goes from viewing a user that they haven't yet initialised a conversation\n        //    with to viewing a different user that they also haven't initialised a\n        //    conversation with.\n        var isNewConversation = !viewState || (viewState.id != conversationId) || (otherUserId && otherUserId != getOtherUserId());\n\n        if (!body.attr('data-init')) {\n            // Generate the render function to bind the header, body, and footer\n            // elements to it so that we don't need to pass them around this module.\n            render = generateRenderFunction(header, body, footer, isNewConversation);\n            registerEventListeners(namespace, header, body, footer);\n            body.attr('data-init', true);\n        }\n\n        if (isNewConversation) {\n            var renderPromise = null;\n            var loggedInUserProfile = getLoggedInUserProfile(body);\n\n            if (conversation) {\n                renderPromise = resetByConversation(body, conversation, loggedInUserProfile, otherUserId);\n            } else if (conversationId) {\n                renderPromise = resetById(body, conversationId, loggedInUserProfile, otherUserId);\n            } else {\n                renderPromise = resetNoConversation(body, loggedInUserProfile, otherUserId);\n            }\n\n            return renderPromise\n                .then(function() {\n                    isResetting = false;\n                    // Focus the first element that can receieve it in the header.\n                    header.find(Constants.SELECTORS.CAN_RECEIVE_FOCUS).first().focus();\n                    return;\n                })\n                .catch(function(error) {\n                    isResetting = false;\n                    Notification.exception(error);\n                });\n        }\n\n        // We're not loading a new conversation so we should reset the poll timer to try to load\n        // new messages.\n        resetMessagePollTimer(conversationId);\n\n        if (viewState.type == CONVERSATION_TYPES.PRIVATE && action) {\n            // There are special actions that the user can perform in a private (aka 1-to-1)\n            // conversation.\n            var currentOtherUserId = getOtherUserId();\n\n            switch (action) {\n                case 'block':\n                    return requestBlockUser(currentOtherUserId);\n                case 'unblock':\n                    return requestUnblockUser(currentOtherUserId);\n                case 'add-contact':\n                    return requestAddContact(currentOtherUserId);\n                case 'remove-contact':\n                    return requestRemoveContact(currentOtherUserId);\n            }\n        }\n\n        // Final fallback to return a promise if we didn't need to do anything.\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewconversation', 'core_message', viewState.name);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_conversation.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the conversation page in the message drawer.\n *\n * This function handles all of the user actions that the user can take\n * when interacting with the conversation page.\n *\n * It maintains a view state which is a data representation of the view\n * and only operates on that data.\n *\n * The view state is immutable and should never be modified directly. Instead\n * all changes to the view state should be done using the StateManager which\n * will generate a new version of the view state with the requested changes.\n *\n * After any changes to the view state the module will call the render function\n * to ask the renderer to update the UI.\n *\n * General rules for this module:\n * 1.) Never modify viewState directly. All changes should be via the StateManager.\n * 2.) Call render() with the new state when you want to update the UI\n * 3.) Never modify the UI directly in this module. This module is only concerned\n *     with the data in the view state.\n *\n * The general flow for a user interaction will be something like:\n * User interaction: User clicks \"confirm block\" button to block the other user\n *      1.) This module is hears the click\n *      2.) This module sends a request to the server to block the user\n *      3.) The server responds with the new user profile\n *      4.) This module generates a new state using the StateManager with the updated\n *          user profile.\n *      5.) This module asks the Patcher to generate a patch from the current state and\n *          the newly generated state. This patch tells the renderer what has changed\n *          between the states.\n *      6.) This module gives the Renderer the generated patch. The renderer updates\n *          the UI with changes according to the patch.\n *\n * @module     core_message/message_drawer_view_conversation\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/auto_rows',\n    'core/backoff_timer',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pending',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_view_conversation_constants',\n    'core_message/message_drawer_view_conversation_patcher',\n    'core_message/message_drawer_view_conversation_renderer',\n    'core_message/message_drawer_view_conversation_state_manager',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core/emoji/auto_complete',\n    'core/emoji/picker'\n],\nfunction(\n    $,\n    AutoRows,\n    BackOffTimer,\n    CustomEvents,\n    Notification,\n    Pending,\n    PubSub,\n    Str,\n    Repository,\n    MessageDrawerEvents,\n    Constants,\n    Patcher,\n    Renderer,\n    StateManager,\n    MessageDrawerRouter,\n    MessageDrawerRoutes,\n    initialiseEmojiAutoComplete,\n    initialiseEmojiPicker\n) {\n\n    // Contains a cache of all view states that have been loaded so far\n    // which saves us having to reload stuff with network requests when\n    // switching between conversations.\n    var stateCache = {};\n    // The current data representation of the view.\n    var viewState = null;\n    var loadedAllMessages = false;\n    var messagesOffset = 0;\n    var newMessagesPollTimer = null;\n    var isRendering = false;\n    var renderBuffer = [];\n    // If the UI is currently resetting.\n    var isResetting = true;\n    // If the UI is currently sending a message.\n    var isSendingMessage = false;\n    // If the UI is currently deleting a conversation.\n    var isDeletingConversationContent = false;\n    // A buffer of messages to send.\n    var sendMessageBuffer = [];\n    // These functions which will be generated when this module is\n    // first called. See generateRenderFunction for details.\n    var render = null;\n    // The list of renderers that have been registered to render\n    // this conversation. See generateRenderFunction for details.\n    var renderers = [];\n\n    var NEWEST_FIRST = Constants.NEWEST_MESSAGES_FIRST;\n    var LOAD_MESSAGE_LIMIT = Constants.LOAD_MESSAGE_LIMIT;\n    var MILLISECONDS_IN_SEC = Constants.MILLISECONDS_IN_SEC;\n    var SELECTORS = Constants.SELECTORS;\n    var CONVERSATION_TYPES = Constants.CONVERSATION_TYPES;\n\n    /**\n     * Get the other user userid.\n     *\n     * @return {Number} Userid.\n     */\n    var getOtherUserId = function() {\n        if (!viewState || viewState.type == CONVERSATION_TYPES.PUBLIC) {\n            return null;\n        }\n\n        var loggedInUserId = viewState.loggedInUserId;\n        if (viewState.type == CONVERSATION_TYPES.SELF) {\n            // It's a self-conversation, so the other user is the one logged in.\n            return loggedInUserId;\n        }\n\n        var otherUserIds = Object.keys(viewState.members).filter(function(userId) {\n            return loggedInUserId != userId;\n        });\n\n        return otherUserIds.length ? otherUserIds[0] : null;\n    };\n\n    /**\n     * Search the cache to see if we've already loaded a private conversation\n     * with the given user id.\n     *\n     * @param {Number} userId The id of the other user.\n     * @return {Number|null} Conversation id.\n     */\n    var getCachedPrivateConversationIdFromUserId = function(userId) {\n        return Object.keys(stateCache).reduce(function(carry, id) {\n            if (!carry) {\n                var state = stateCache[id].state;\n\n                if (state.type != CONVERSATION_TYPES.PUBLIC) {\n                    if (userId in state.members) {\n                        // We've found a cached conversation for this user!\n                        carry = state.id;\n                    }\n                }\n            }\n\n            return carry;\n        }, null);\n    };\n\n    /**\n     * Get profile info for logged in user.\n     *\n     * @param {Object} body Conversation body container element.\n     * @return {Object}\n     */\n    var getLoggedInUserProfile = function(body) {\n        return {\n            id: parseInt(body.attr('data-user-id'), 10),\n            fullname: null,\n            profileimageurl: null,\n            profileimageurlsmall: null,\n            isonline:  null,\n            showonlinestatus: null,\n            isblocked: null,\n            iscontact: null,\n            isdeleted: null,\n            canmessage: null,\n            canmessageevenifblocked: null,\n            requirescontact: null,\n            contactrequests: []\n        };\n    };\n\n    /**\n     * Get the messages offset value to load more messages.\n     *\n     * @return {Number}\n     */\n    var getMessagesOffset = function() {\n        return messagesOffset;\n    };\n\n    /**\n     * Set the messages offset value for loading more messages.\n     *\n     * @param {Number} value The offset value\n     */\n    var setMessagesOffset = function(value) {\n        messagesOffset = value;\n        stateCache[viewState.id].messagesOffset = value;\n    };\n\n    /**\n     * Check if all messages have been loaded.\n     *\n     * @return {Bool}\n     */\n    var hasLoadedAllMessages = function() {\n        return loadedAllMessages;\n    };\n\n    /**\n     * Set whether all messages have been loaded or not.\n     *\n     * @param {Bool} value If all messages have been loaded.\n     */\n    var setLoadedAllMessages = function(value) {\n        loadedAllMessages = value;\n        stateCache[viewState.id].loadedAllMessages = value;\n    };\n\n    /**\n     * Get the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.MESSAGES_CONTAINER);\n    };\n\n    /**\n     * Reformat the conversation for an event payload.\n     *\n     * @param  {Object} state The view state.\n     * @return {Object} New formatted conversation.\n     */\n    var formatConversationForEvent = function(state) {\n        return {\n            id: state.id,\n            name: state.name,\n            subname: state.subname,\n            imageUrl: state.imageUrl,\n            isFavourite: state.isFavourite,\n            isMuted: state.isMuted,\n            type: state.type,\n            totalMemberCount: state.totalMemberCount,\n            loggedInUserId: state.loggedInUserId,\n            messages: state.messages.map(function(message) {\n                return $.extend({}, message);\n            }),\n            members: Object.keys(state.members).map(function(id) {\n                var formattedMember = $.extend({}, state.members[id]);\n                formattedMember.contactrequests = state.members[id].contactrequests.map(function(request) {\n                    return $.extend({}, request);\n                });\n                return formattedMember;\n            })\n        };\n    };\n\n    /**\n     * Load up an empty private conversation between the logged in user and the\n     * other user. Sets all of the conversation details based on the other user.\n     *\n     * A conversation isn't created until the user sends the first message.\n     *\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} otherUserId The other user id.\n     * @return {Object} Profile returned from repository.\n     */\n    var loadEmptyPrivateConversation = function(loggedInUserProfile, otherUserId) {\n        var loggedInUserId = loggedInUserProfile.id;\n        // If the other user id is the same as the logged in user then this is a self\n        // conversation.\n        var conversationType = loggedInUserId == otherUserId ? CONVERSATION_TYPES.SELF : CONVERSATION_TYPES.PRIVATE;\n        var newState = StateManager.setLoadingMembers(viewState, true);\n        newState = StateManager.setLoadingMessages(newState, true);\n        render(newState);\n\n        return Repository.getMemberInfo(loggedInUserId, [otherUserId], true, true)\n            .then(function(profiles) {\n                if (profiles.length) {\n                    return profiles[0];\n                } else {\n                    throw new Error('Unable to load other user profile');\n                }\n            })\n            .then(function(profile) {\n                // If the conversation is a self conversation then the profile loaded is the\n                // logged in user so only add that to the members array.\n                var members = conversationType == CONVERSATION_TYPES.SELF ? [profile] : [profile, loggedInUserProfile];\n                var newState = StateManager.addMembers(viewState, members);\n                newState = StateManager.setLoadingMembers(newState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                newState = StateManager.setName(newState, profile.fullname);\n                newState = StateManager.setType(newState, conversationType);\n                newState = StateManager.setImageUrl(newState, profile.profileimageurl);\n                newState = StateManager.setTotalMemberCount(newState, members.length);\n                render(newState);\n                return profile;\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMembers(viewState, false);\n                render(newState);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Create a new state from a conversation object.\n     *\n     * @param {Object} conversation The conversation object.\n     * @param {Number} loggedInUserId The logged in user id.\n     * @return {Object} new state.\n     */\n    var updateStateFromConversation = function(conversation, loggedInUserId) {\n        var otherUser = null;\n        if (conversation.type == CONVERSATION_TYPES.PRIVATE) {\n            // For private conversations, remove current logged in user from the members list to get the other user.\n            var otherUsers = conversation.members.filter(function(member) {\n                return member.id != loggedInUserId;\n            });\n            otherUser = otherUsers.length ? otherUsers[0] : null;\n        } else if (conversation.type == CONVERSATION_TYPES.SELF) {\n            // Self-conversations have only one member.\n            otherUser = conversation.members[0];\n        }\n\n        var name = conversation.name;\n        var imageUrl = conversation.imageurl;\n\n        if (conversation.type != CONVERSATION_TYPES.PUBLIC) {\n            name = name || otherUser ? otherUser.fullname : '';\n            imageUrl = imageUrl || otherUser ? otherUser.profileimageurl : '';\n        }\n\n        var newState = StateManager.addMembers(viewState, conversation.members);\n        newState = StateManager.setName(newState, name);\n        newState = StateManager.setSubname(newState, conversation.subname);\n        newState = StateManager.setType(newState, conversation.type);\n        newState = StateManager.setImageUrl(newState, imageUrl);\n        newState = StateManager.setTotalMemberCount(newState, conversation.membercount);\n        newState = StateManager.setIsFavourite(newState, conversation.isfavourite);\n        newState = StateManager.setIsMuted(newState, conversation.ismuted);\n        newState = StateManager.addMessages(newState, conversation.messages);\n        newState = StateManager.setCanDeleteMessagesForAllUsers(newState, conversation.candeletemessagesforallusers);\n        return newState;\n    };\n\n    /**\n     * Get the details for a conversation from the conversation id.\n     *\n     * @param  {Number} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} messageLimit The number of messages to include.\n     * @param  {Number} messageOffset The number of messages to skip.\n     * @param  {Bool} newestFirst Order messages newest first.\n     * @return {Object} Promise resolved when loaded.\n     */\n    var loadNewConversation = function(\n        conversationId,\n        loggedInUserProfile,\n        messageLimit,\n        messageOffset,\n        newestFirst\n    ) {\n        var loggedInUserId = loggedInUserProfile.id;\n        var newState = StateManager.setLoadingMembers(viewState, true);\n        newState = StateManager.setLoadingMessages(newState, true);\n        render(newState);\n\n        return Repository.getConversation(\n            loggedInUserId,\n            conversationId,\n            true,\n            true,\n            0,\n            0,\n            messageLimit + 1,\n            messageOffset,\n            newestFirst\n        )\n            .then(function(conversation) {\n                if (conversation.messages.length > messageLimit) {\n                    conversation.messages = conversation.messages.slice(1);\n                } else {\n                    setLoadedAllMessages(true);\n                }\n\n                setMessagesOffset(messageOffset + messageLimit);\n\n                return conversation;\n            })\n            .then(function(conversation) {\n                var hasLoggedInUser = conversation.members.filter(function(member) {\n                    return member.id == loggedInUserProfile.id;\n                });\n\n                if (hasLoggedInUser.length < 1) {\n                    conversation.members = conversation.members.concat([loggedInUserProfile]);\n                }\n\n                var newState = updateStateFromConversation(conversation, loggedInUserProfile.id);\n                newState = StateManager.setLoadingMembers(newState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                return render(newState)\n                    .then(function() {\n                        return conversation;\n                    });\n            })\n            .then(function() {\n                return markConversationAsRead(conversationId);\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMembers(viewState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                render(newState);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Get the details for a conversation from and existing conversation object.\n     *\n     * @param  {Object} conversation The conversation object.\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} messageLimit The number of messages to include.\n     * @param  {Bool} newestFirst Order messages newest first.\n     * @return {Object} Promise resolved when loaded.\n     */\n    var loadExistingConversation = function(\n        conversation,\n        loggedInUserProfile,\n        messageLimit,\n        newestFirst\n    ) {\n        var hasLoggedInUser = conversation.members.filter(function(member) {\n            return member.id == loggedInUserProfile.id;\n        });\n\n        if (hasLoggedInUser.length < 1) {\n            conversation.members = conversation.members.concat([loggedInUserProfile]);\n        }\n\n        var messageCount = conversation.messages.length;\n        var hasLoadedEnoughMessages = messageCount >= messageLimit;\n        var newState = updateStateFromConversation(conversation, loggedInUserProfile.id);\n        newState = StateManager.setLoadingMembers(newState, false);\n        newState = StateManager.setLoadingMessages(newState, !hasLoadedEnoughMessages);\n        var renderPromise = render(newState);\n\n        return renderPromise.then(function() {\n                if (!hasLoadedEnoughMessages) {\n                    // We haven't got enough messages so let's load some more.\n                    return loadMessages(conversation.id, messageLimit, messageCount, newestFirst, []);\n                } else {\n                    // We've got enough messages. No need to load any more for now.\n                    return {messages: conversation.messages};\n                }\n            })\n            .then(function() {\n                var messages = viewState.messages;\n                // Update the offset to reflect the number of messages we've loaded.\n                setMessagesOffset(messages.length);\n                markConversationAsRead(viewState.id);\n\n                return messages;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Load messages for this conversation and pass them to the renderer.\n     *\n     * @param  {Number} conversationId Conversation id.\n     * @param  {Number} limit Number of messages to load.\n     * @param  {Number} offset Get messages from offset.\n     * @param  {Bool} newestFirst Get newest messages first.\n     * @param  {Array} ignoreList Ignore any messages with ids in this list.\n     * @param  {Number|null} timeFrom Only get messages from this time onwards.\n     * @return {Promise} renderer promise.\n     */\n    var loadMessages = function(conversationId, limit, offset, newestFirst, ignoreList, timeFrom) {\n        return Repository.getMessages(\n                viewState.loggedInUserId,\n                conversationId,\n                limit ? limit + 1 : limit,\n                offset,\n                newestFirst,\n                timeFrom\n            )\n            .then(function(result) {\n                // Prevent older requests from contaminating the current view.\n                if (result.id != viewState.id) {\n                    result.messages = [];\n                    // Purge old conversation cache to prevent messages lose.\n                    if (result.id in stateCache) {\n                        delete stateCache[result.id];\n                    }\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                if (result.messages.length && ignoreList.length) {\n                    result.messages = result.messages.filter(function(message) {\n                        // Skip any messages in our ignore list.\n                        return ignoreList.indexOf(parseInt(message.id, 10)) < 0;\n                    });\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                if (!limit) {\n                    return result;\n                } else if (result.messages.length > limit) {\n                    // Ignore the last result which was just to test if there are more\n                    // to load.\n                    result.messages = result.messages.slice(0, -1);\n                } else {\n                    setLoadedAllMessages(true);\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                var membersToAdd = result.members.filter(function(member) {\n                    return !(member.id in viewState.members);\n                });\n                var newState = StateManager.addMembers(viewState, membersToAdd);\n                newState = StateManager.addMessages(newState, result.messages);\n                newState = StateManager.setLoadingMessages(newState, false);\n                return render(newState)\n                    .then(function() {\n                        return result;\n                    });\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMessages(viewState, false);\n                render(newState);\n                // Re-throw the error for other error handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Create a callback function for getting new messages for this conversation.\n     *\n     * @param  {Number} conversationId Conversation id.\n     * @param  {Bool} newestFirst Show newest messages first\n     * @return {Function} Callback function that returns a renderer promise.\n     */\n    var getLoadNewMessagesCallback = function(conversationId, newestFirst) {\n        return function() {\n            var messages = viewState.messages;\n            var mostRecentMessage = messages.length ? messages[messages.length - 1] : null;\n            var lastTimeCreated = mostRecentMessage ? mostRecentMessage.timeCreated : null;\n\n            if (lastTimeCreated && !isResetting && !isSendingMessage && !isDeletingConversationContent) {\n                // There may be multiple messages with the same time created value since\n                // the accuracy is only down to the second. The server will include these\n                // messages in the result (since it does a >= comparison on time from) so\n                // we need to filter them back out of the result so that we're left only\n                // with the new messages.\n                var ignoreMessageIds = [];\n                for (var i = messages.length - 1; i >= 0; i--) {\n                    var message = messages[i];\n                    if (message.timeCreated === lastTimeCreated) {\n                        ignoreMessageIds.push(message.id);\n                    } else {\n                        // Since the messages are ordered in ascending order of time created\n                        // we can break as soon as we hit a message with a different time created\n                        // because we know all other messages will have lower values.\n                        break;\n                    }\n                }\n\n                return loadMessages(\n                        conversationId,\n                        0,\n                        0,\n                        newestFirst,\n                        ignoreMessageIds,\n                        lastTimeCreated\n                    )\n                    .then(function(result) {\n                        if (result.messages.length) {\n                            // If we found some results then restart the polling timer\n                            // because the other user might be sending messages.\n                            newMessagesPollTimer.restart();\n                            // We've also got a new last message so publish that for other\n                            // components to update.\n                            var conversation = formatConversationForEvent(viewState);\n                            PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                            return markConversationAsRead(conversationId);\n                        } else {\n                            return result;\n                        }\n                    });\n            }\n\n            return $.Deferred().resolve().promise();\n        };\n    };\n\n    /**\n     * Mark a conversation as read.\n     *\n     * @param  {Number} conversationId The conversation id.\n     * @return {Promise} The renderer promise.\n     */\n    var markConversationAsRead = function(conversationId) {\n        var loggedInUserId = viewState.loggedInUserId;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n\n        return Repository.markAllConversationMessagesAsRead(loggedInUserId, conversationId)\n            .then(function() {\n                var newState = StateManager.markMessagesAsRead(viewState, viewState.messages);\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_READ, conversationId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is request to block a user and run the renderer\n     * to show the block user dialogue.\n     *\n     * @param {Number} userId User id.\n     */\n    var requestBlockUser = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingBlockUsersById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to block a user, update the statemanager and publish\n     * a contact has been blocked.\n     *\n     * @param  {Number} userId User id of user to block.\n     * @return {Promise} Renderer promise.\n     */\n    var blockUser = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:blockUser');\n\n        render(newState);\n\n        return Repository.blockUser(viewState.loggedInUserId, userId)\n            .then(function(profile) {\n                var newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.removePendingBlockUsersById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_BLOCKED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to unblock a user and run the renderer\n     * to show the unblock user dialogue.\n     *\n     * @param {Number} userId User id of user to unblock.\n     */\n    var requestUnblockUser = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingUnblockUsersById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to unblock a user, update the statemanager and publish\n     * a contact has been unblocked.\n     *\n     * @param  {Number} userId User id of user to unblock.\n     * @return {Promise} Renderer promise.\n     */\n    var unblockUser = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:unblockUser');\n        render(newState);\n\n        return Repository.unblockUser(viewState.loggedInUserId, userId)\n            .then(function(profile) {\n                var newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.removePendingUnblockUsersById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_UNBLOCKED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to remove a user from the contact list\n     * and run the renderer to show the remove user from contacts dialogue.\n     *\n     * @param {Number} userId User id of user to remove from contacts.\n     */\n    var requestRemoveContact = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingRemoveContactsById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to remove a user from the contacts list. update the statemanager\n     * and publish a contact has been removed.\n     *\n     * @param  {Number} userId User id of user to remove from contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var removeContact = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:removeContact');\n        render(newState);\n\n        return Repository.deleteContacts(viewState.loggedInUserId, [userId])\n            .then(function(profiles) {\n                var newState = StateManager.addMembers(viewState, profiles);\n                newState = StateManager.removePendingRemoveContactsById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_REMOVED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to add a user to the contact list\n     * and run the renderer to show the add user to contacts dialogue.\n     *\n     * @param {Number} userId User id of user to add to contacts.\n     */\n    var requestAddContact = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingAddContactsById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to add a user to the contacts list. update the statemanager\n     * and publish a contact has been added.\n     *\n     * @param  {Number} userId User id of user to add to contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var addContact = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:addContactRequests');\n        render(newState);\n\n        return Repository.createContactRequest(viewState.loggedInUserId, userId)\n            .then(function(response) {\n                if (!response.request) {\n                    throw new Error(response.warnings[0].message);\n                }\n\n                return response.request;\n            })\n            .then(function(request) {\n                var newState = StateManager.removePendingAddContactsById(viewState, [userId]);\n                newState = StateManager.addContactRequests(newState, [request]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Set the current conversation as a favourite conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var setFavourite = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:setFavourite');\n\n        return Repository.setFavouriteConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsFavourite(viewState, true);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_SET_FAVOURITE,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Unset the current conversation as a favourite conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var unsetFavourite = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:unsetFavourite');\n\n        return Repository.unsetFavouriteConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsFavourite(viewState, false);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_UNSET_FAVOURITE,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Set the current conversation as a muted conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var setMuted = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n\n        return Repository.setMutedConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsMuted(viewState, true);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_SET_MUTED,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Unset the current conversation as a muted conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var unsetMuted = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n\n        return Repository.unsetMutedConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsMuted(viewState, false);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_UNSET_MUTED,\n                    formatConversationForEvent(viewState)\n                );\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to delete the selected messages\n     * and run the renderer to show confirm delete messages dialogue.\n     *\n     * @param {Number} userId User id.\n     */\n    var requestDeleteSelectedMessages = function(userId) {\n        var selectedMessageIds = viewState.selectedMessageIds;\n        cancelRequest(userId);\n        var newState = StateManager.addPendingDeleteMessagesById(viewState, selectedMessageIds);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to delete the messages pending deletion. Update the statemanager\n     * and publish a message deletion event.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var deleteSelectedMessages = function() {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:deleteSelectedMessages');\n        var messageIds = viewState.pendingDeleteMessageIds;\n        var sentMessages = viewState.messages.filter(function(message) {\n            // If a message sendState is null then it means it was loaded from the server or if it's\n            // set to sent then it means the user has successfully sent it in this page load.\n            return messageIds.indexOf(message.id) >= 0 && (message.sendState == 'sent' || message.sendState === null);\n        });\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n\n        render(newState);\n\n        var deleteMessagesPromise = $.Deferred().resolve().promise();\n\n\n        if (sentMessages.length) {\n            // We only need to send a request to the server if we're trying to delete messages that\n            // have successfully been sent.\n            var sentMessageIds = sentMessages.map(function(message) {\n                return message.id;\n            });\n            if (newState.deleteMessagesForAllUsers) {\n                deleteMessagesPromise = Repository.deleteMessagesForAllUsers(viewState.loggedInUserId, sentMessageIds);\n            } else {\n                deleteMessagesPromise = Repository.deleteMessages(viewState.loggedInUserId, sentMessageIds);\n            }\n        }\n\n        // Mark that we are deleting content from the  conversation to prevent updates of it.\n        isDeletingConversationContent = true;\n\n        // Stop polling for new messages to the open conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        return deleteMessagesPromise.then(function() {\n                var newState = StateManager.removeMessagesById(viewState, messageIds);\n                newState = StateManager.removePendingDeleteMessagesById(newState, messageIds);\n                newState = StateManager.removeSelectedMessagesById(newState, messageIds);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                newState = StateManager.setDeleteMessagesForAllUsers(newState, false);\n\n                var prevLastMessage = viewState.messages[viewState.messages.length - 1];\n                var newLastMessage = newState.messages.length ? newState.messages[newState.messages.length - 1] : null;\n\n                if (newLastMessage && newLastMessage.id != prevLastMessage.id) {\n                    var conversation = formatConversationForEvent(newState);\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                } else if (!newState.messages.length) {\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED, newState.id);\n                }\n\n                isDeletingConversationContent = false;\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Tell the statemanager there is a request to delete a conversation\n     * and run the renderer to show confirm delete conversation dialogue.\n     *\n     * @param {Number} userId User id of other user.\n     */\n    var requestDeleteConversation = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.setPendingDeleteConversation(viewState, true);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to delete a conversation. Update the statemanager\n     * and publish a conversation deleted event.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var deleteConversation = function() {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        // Mark that we are deleting the conversation to prevent updates of it.\n        isDeletingConversationContent = true;\n\n        // Stop polling for new messages to the open conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        return Repository.deleteConversation(viewState.loggedInUserId, viewState.id)\n            .then(function() {\n                var newState = StateManager.removeMessages(viewState, viewState.messages);\n                newState = StateManager.removeSelectedMessagesById(newState, viewState.selectedMessageIds);\n                newState = StateManager.setPendingDeleteConversation(newState, false);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED, newState.id);\n\n                isDeletingConversationContent = false;\n\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager to cancel all pending actions.\n     *\n     * @param  {Number} userId User id.\n     */\n    var cancelRequest = function(userId) {\n        var pendingDeleteMessageIds = viewState.pendingDeleteMessageIds;\n        var newState = StateManager.removePendingAddContactsById(viewState, [userId]);\n        newState = StateManager.removePendingRemoveContactsById(newState, [userId]);\n        newState = StateManager.removePendingUnblockUsersById(newState, [userId]);\n        newState = StateManager.removePendingBlockUsersById(newState, [userId]);\n        newState = StateManager.removePendingDeleteMessagesById(newState, pendingDeleteMessageIds);\n        newState = StateManager.setPendingDeleteConversation(newState, false);\n        newState = StateManager.setDeleteMessagesForAllUsers(newState, false);\n        render(newState);\n    };\n\n    /**\n     * Accept the contact request from the given user.\n     *\n     * @param  {Number} userId User id of other user.\n     * @return {Promise} Renderer promise.\n     */\n    var acceptContactRequest = function(userId) {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:acceptContactRequest');\n\n        // Search the list of the logged in user's contact requests to find the\n        // one from this user.\n        var loggedInUserId = viewState.loggedInUserId;\n        var requests = viewState.members[userId].contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId;\n        });\n        var request = requests[0];\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        return Repository.acceptContactRequest(userId, loggedInUserId)\n            .then(function(profile) {\n                var newState = StateManager.removeContactRequests(viewState, [request]);\n                newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.CONTACT_ADDED, viewState.members[userId]);\n                PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, request);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Decline the contact request from the given user.\n     *\n     * @param  {Number} userId User id of other user.\n     * @return {Promise} Renderer promise.\n     */\n    var declineContactRequest = function(userId) {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:declineContactRequest');\n\n        // Search the list of the logged in user's contact requests to find the\n        // one from this user.\n        var loggedInUserId = viewState.loggedInUserId;\n        var requests = viewState.members[userId].contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId;\n        });\n        var request = requests[0];\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        return Repository.declineContactRequest(userId, loggedInUserId)\n            .then(function(profile) {\n                var newState = StateManager.removeContactRequests(viewState, [request]);\n                newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, request);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Send all of the messages in the buffer to the server to be created. Update the\n     * UI with the newly created message information.\n     *\n     * This function will recursively call itself in order to make sure the buffer is\n     * always being processed.\n     */\n    var processSendMessageBuffer = function() {\n        if (isSendingMessage) {\n            // We're already sending messages so nothing to do.\n            return;\n        }\n        if (!sendMessageBuffer.length) {\n            // No messages waiting to send. Nothing to do.\n            return;\n        }\n\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:processSendMessageBuffer');\n\n        // Flag that we're processing the queue.\n        isSendingMessage = true;\n        // Grab all of the messages in the buffer.\n        var messagesToSend = sendMessageBuffer.slice();\n        // Empty the buffer since we're processing it.\n        sendMessageBuffer = [];\n        var conversationId = viewState.id;\n        var newConversationId = null;\n        var messagesText = messagesToSend.map(function(message) {\n            return message.text;\n        });\n        var messageIds = messagesToSend.map(function(message) {\n            return message.id;\n        });\n        var sendMessagePromise = null;\n        var newCanDeleteMessagesForAllUsers = null;\n        if (!conversationId && (viewState.type != CONVERSATION_TYPES.PUBLIC)) {\n            // If it's a new private conversation then we need to use the old\n            // web service function to create the conversation.\n            var otherUserId = getOtherUserId();\n            sendMessagePromise = Repository.sendMessagesToUser(otherUserId, messagesText)\n                .then(function(messages) {\n                    if (messages.length) {\n                        newConversationId = parseInt(messages[0].conversationid, 10);\n                        newCanDeleteMessagesForAllUsers = messages[0].candeletemessagesforallusers;\n                    }\n                    return messages;\n                });\n        } else {\n            sendMessagePromise = Repository.sendMessagesToConversation(conversationId, messagesText);\n        }\n\n        sendMessagePromise\n            .then(function(messages) {\n                var newMessageIds = messages.map(function(message) {\n                    return message.id;\n                });\n                var data = [];\n                var selectedToRemove = [];\n                var selectedToAdd = [];\n\n                messagesToSend.forEach(function(oldMessage, index) {\n                    var newMessage = messages[index];\n                    // Update messages expects and array of arrays where the first value\n                    // is the old message to update and the second value is the new values\n                    // to set.\n                    data.push([oldMessage, newMessage]);\n\n                    if (viewState.selectedMessageIds.indexOf(oldMessage.id) >= 0) {\n                        // If the message was added to the \"selected messages\" list while it was still\n                        // being sent then we should update it's id in that list now to make sure future\n                        // actions work.\n                        selectedToRemove.push(oldMessage.id);\n                        selectedToAdd.push(newMessage.id);\n                    }\n                });\n                var newState = StateManager.updateMessages(viewState, data);\n                newState = StateManager.setMessagesSendSuccessById(newState, newMessageIds);\n\n                if (selectedToRemove.length) {\n                    newState = StateManager.removeSelectedMessagesById(newState, selectedToRemove);\n                }\n\n                if (selectedToAdd.length) {\n                    newState = StateManager.addSelectedMessagesById(newState, selectedToAdd);\n                }\n\n                var conversation = formatConversationForEvent(newState);\n\n                if (!newState.id) {\n                    // If this message created the conversation then save the conversation\n                    // id.\n                    newState = StateManager.setId(newState, newConversationId);\n                    conversation.id = newConversationId;\n                    resetMessagePollTimer(newConversationId);\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_CREATED, conversation);\n                    newState = StateManager.setCanDeleteMessagesForAllUsers(newState, newCanDeleteMessagesForAllUsers);\n                }\n\n                // Update the UI with the new message values from the server.\n                render(newState);\n                // Recurse just in case there has been more messages added to the buffer.\n                isSendingMessage = false;\n                processSendMessageBuffer();\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            })\n            .catch(function(e) {\n                var errorMessage;\n                if (e.message) {\n                    errorMessage = $.Deferred().resolve(e.message).promise();\n                } else {\n                    errorMessage = Str.get_string('unknownerror', 'core');\n                }\n\n                var handleFailedMessages = function(errorMessage) {\n                    // We failed to create messages so remove the old messages from the pending queue\n                    // and update the UI to indicate that the message failed.\n                    var newState = StateManager.setMessagesSendFailById(viewState, messageIds, errorMessage);\n                    render(newState);\n                    isSendingMessage = false;\n                    processSendMessageBuffer();\n                };\n\n                errorMessage.then(handleFailedMessages)\n                    .then(function(result) {\n                        pendingPromise.resolve();\n\n                        return result;\n                    })\n                    .catch(function(e) {\n                        // Hrmm, we can't even load the error messages string! We'll have to\n                        // hard code something in English here if we still haven't got a message\n                        // to show.\n                        var finalError = e.message || 'Something went wrong!';\n                        handleFailedMessages(finalError);\n                    });\n            });\n    };\n\n    /**\n     * Create a plain version of an HTML text.\n     *\n     * This texts is used as a message preview while is sent to the server. This way\n     * it is possible to prevent self-xss.\n     *\n     * @param {String} text Text to send.\n     * @return {String} The plain text version of the text.\n     */\n    const previewText = function(text) {\n        // Remove all script and styles from text (we don't want it there).\n        let plaintext = text.replace(/<style([\\s\\S]*?)<\\/style>/gi, '');\n        plaintext = plaintext.replace(/<script([\\s\\S]*?)<\\/script>/gi, '');\n        // Beautify a bit the output adding some line breaks.\n        plaintext = plaintext.replace(/<\\/div>/ig, '\\n');\n        plaintext = plaintext.replace(/<\\/li>/ig, '\\n');\n        plaintext = plaintext.replace(/<li>/ig, '  *  ');\n        plaintext = plaintext.replace(/<\\/ul>/ig, '\\n');\n        plaintext = plaintext.replace(/<\\/p>/ig, '\\n');\n        plaintext = plaintext.replace(/<br[^>]*>/gi, '\\n');\n        // Remove all remaining tags and convert line breaks into html.\n        plaintext = plaintext.replace(/<[^>]+>/ig, '');\n        plaintext = plaintext.replace(/\\n+/ig, '\\n');\n        return plaintext.replace(/\\n/ig, '<br>');\n    };\n\n    /**\n     * Buffers messages to be sent to the server. We use a buffer here to allow the\n     * user to freely input messages without blocking the interface for them.\n     *\n     * Instead we just queue all of their messages up and send them as fast as we can.\n     *\n     * @param {String} text Text to send.\n     */\n    var sendMessage = function(text) {\n        var id = 'temp' + Date.now();\n        // Render a preview version of the message while sending.\n        let loadingmessage = {\n            id: id,\n            useridfrom: viewState.loggedInUserId,\n            text:  previewText(text),\n            timecreated: null\n        };\n        var newState = StateManager.addMessages(viewState, [loadingmessage]);\n        render(newState);\n        // Send the real message.\n        var message = {\n            id: id,\n            useridfrom: viewState.loggedInUserId,\n            text: text,\n            timecreated: null\n        };\n        sendMessageBuffer.push(message);\n        processSendMessageBuffer();\n    };\n\n    /**\n     * Retry sending a message that failed.\n     *\n     * @param {Object} message The message to send.\n     */\n    var retrySendMessage = function(message) {\n        var newState = StateManager.setMessagesSendPendingById(viewState, [message.id]);\n        render(newState);\n        sendMessageBuffer.push(message);\n        processSendMessageBuffer();\n    };\n\n    /**\n     * Toggle the selected messages update the statemanager and render the result.\n     *\n     * @param  {Number} messageId The id of the message to be toggled\n     */\n    var toggleSelectMessage = function(messageId) {\n        var newState = viewState;\n\n        if (viewState.selectedMessageIds.indexOf(messageId) > -1) {\n            newState = StateManager.removeSelectedMessagesById(viewState, [messageId]);\n        } else {\n            newState = StateManager.addSelectedMessagesById(viewState, [messageId]);\n        }\n\n        render(newState);\n    };\n\n    /**\n     * Cancel edit mode (selecting the messages).\n     */\n    var cancelEditMode = function() {\n        cancelRequest(getOtherUserId());\n        var newState = StateManager.removeSelectedMessagesById(viewState, viewState.selectedMessageIds);\n        render(newState);\n    };\n\n    /**\n     * Process the patches in the render buffer one at a time in order until the\n     * buffer is empty.\n     *\n     * @param {Object} header The conversation header container element.\n     * @param {Object} body The conversation body container element.\n     * @param {Object} footer The conversation footer container element.\n     */\n    var processRenderBuffer = function(header, body, footer) {\n        if (isRendering) {\n            return;\n        }\n\n        if (!renderBuffer.length) {\n            return;\n        }\n\n        isRendering = true;\n        var renderable = renderBuffer.shift();\n        var renderPromises = renderers.map(function(renderFunc) {\n            return renderFunc(renderable.patch);\n        });\n\n        $.when.apply(null, renderPromises)\n            .then(function() {\n                isRendering = false;\n                renderable.deferred.resolve(true);\n                // Keep processing the buffer until it's empty.\n                processRenderBuffer(header, body, footer);\n\n                return;\n            })\n            .catch(function(error) {\n                isRendering = false;\n                renderable.deferred.reject(error);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Create a function to render the Conversation.\n     *\n     * @param  {Object} header The conversation header container element.\n     * @param  {Object} body The conversation body container element.\n     * @param  {Object} footer The conversation footer container element.\n     * @param  {Bool} isNewConversation Has someone else already initialised a conversation?\n     * @return {Promise} Renderer promise.\n     */\n    var generateRenderFunction = function(header, body, footer, isNewConversation) {\n        var rendererFunc = function(patch) {\n            return Renderer.render(header, body, footer, patch);\n        };\n\n        if (!isNewConversation) {\n            // Looks like someone got here before us! We'd better update our\n            // UI to make sure it matches.\n            var initialState = StateManager.buildInitialState(viewState.midnight, viewState.loggedInUserId, viewState.id);\n            var syncPatch = Patcher.buildPatch(initialState, viewState);\n            rendererFunc(syncPatch);\n        }\n\n        renderers.push(rendererFunc);\n\n        return function(newState) {\n            var patch = Patcher.buildPatch(viewState, newState);\n            var deferred = $.Deferred();\n\n            // Check if the patch has any data. Ignore empty patches.\n            if (Object.keys(patch).length) {\n                // Add the patch to the render buffer which gets processed in order.\n                renderBuffer.push({\n                    patch: patch,\n                    deferred: deferred\n                });\n            } else {\n                deferred.resolve(true);\n            }\n            // This is a great place to add in some console logging if you need\n            // to debug something. You can log the current state, the next state,\n            // and the generated patch and see exactly what will be updated.\n\n            // Optimistically update the state. We're going to assume that the rendering\n            // will always succeed. The rendering is asynchronous (annoyingly) so it's buffered\n            // but it'll reach eventual consistency with the current state.\n            viewState = newState;\n            if (newState.id) {\n                // Only cache created conversations.\n                stateCache[newState.id] = {\n                    state: newState,\n                    messagesOffset: getMessagesOffset(),\n                    loadedAllMessages: hasLoadedAllMessages()\n                };\n            }\n\n            // Start processing the buffer.\n            processRenderBuffer(header, body, footer);\n\n            return deferred.promise();\n        };\n    };\n\n    /**\n     * Create a confirm action function.\n     *\n     * @param {Function} actionCallback The callback function.\n     * @return {Function} Confirm action handler.\n     */\n    var generateConfirmActionHandler = function(actionCallback) {\n        return function(e, data) {\n            if (!viewState.loadingConfirmAction) {\n                actionCallback(getOtherUserId());\n                var newState = StateManager.setLoadingConfirmAction(viewState, false);\n                render(newState);\n            }\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Send message event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSendMessage = function(e, data) {\n        var target = $(e.target);\n        var footerContainer = target.closest(SELECTORS.FOOTER_CONTAINER);\n        var textArea = footerContainer.find(SELECTORS.MESSAGE_TEXT_AREA);\n        var text = textArea.val().trim();\n\n        if (text !== '') {\n            sendMessage(text);\n            textArea.val('');\n            textArea.focus();\n        }\n\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Select message event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSelectMessage = function(e, data) {\n        var selection = window.getSelection();\n        var target = $(e.target);\n\n        if (selection.toString() != '') {\n            // Bail if we're selecting.\n            return;\n        }\n\n        if (target.is('a')) {\n            // Clicking on a link in the message so ignore it.\n            return;\n        }\n\n        var element = target.closest(SELECTORS.MESSAGE);\n        var messageId = element.attr('data-message-id');\n\n        toggleSelectMessage(messageId);\n\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle retry sending of message.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleRetrySendMessage = function(e, data) {\n        var target = $(e.target);\n        var element = target.closest(SELECTORS.MESSAGE);\n        var messageId = element.attr('data-message-id');\n        var messages = viewState.messages.filter(function(message) {\n            return message.id == messageId;\n        });\n        var message = messages.length ? messages[0] : null;\n\n        if (message) {\n            retrySendMessage(message);\n        }\n\n        data.originalEvent.preventDefault();\n        data.originalEvent.stopPropagation();\n        e.stopPropagation();\n    };\n\n    /**\n     * Cancel edit mode event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleCancelEditMode = function(e, data) {\n        cancelEditMode();\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Show the view contact page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {Function} View contact handler.\n     */\n    var generateHandleViewContact = function(namespace) {\n        return function(e, data) {\n            var otherUserId = getOtherUserId();\n            var otherUser = viewState.members[otherUserId];\n            MessageDrawerRouter.go(namespace, MessageDrawerRoutes.VIEW_CONTACT, otherUser);\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Set this conversation as a favourite.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSetFavourite = function(e, data) {\n        setFavourite().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Unset this conversation as a favourite.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleUnsetFavourite = function(e, data) {\n        unsetFavourite().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Show the view group info page.\n     * Set this conversation as muted.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSetMuted = function(e, data) {\n        setMuted().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Unset this conversation as muted.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleUnsetMuted = function(e, data) {\n        unsetMuted().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle clicking on the checkbox that toggles deleting messages for\n     * all users.\n     *\n     * @param {Object} e Element this event handler is called on.\n     */\n    var handleDeleteMessagesForAllUsersToggle = function(e) {\n        var newValue = $(e.target).prop('checked');\n        var newState = StateManager.setDeleteMessagesForAllUsers(viewState, newValue);\n        render(newState);\n    };\n\n    /**\n     * Show the view contact page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {Function} View group info handler.\n     */\n    var generateHandleViewGroupInfo = function(namespace) {\n        return function(e, data) {\n            MessageDrawerRouter.go(\n                namespace,\n                MessageDrawerRoutes.VIEW_GROUP_INFO,\n                {\n                    id: viewState.id,\n                    name: viewState.name,\n                    subname: viewState.subname,\n                    imageUrl: viewState.imageUrl,\n                    totalMemberCount: viewState.totalMemberCount\n                },\n                viewState.loggedInUserId\n            );\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Handle clicking on the emoji toggle button.\n     *\n     * @param {Object} e The event\n     * @param {Object} data The custom interaction event data\n     */\n    var handleToggleEmojiPicker = function(e, data) {\n        var newState = StateManager.setShowEmojiPicker(viewState, !viewState.showEmojiPicker);\n        render(newState);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle clicking outside the emoji picker to close it.\n     *\n     * @param {Object} e The event\n     */\n    var handleCloseEmojiPicker = function(e) {\n        var target = $(e.target);\n\n        if (\n            viewState.showEmojiPicker &&\n            !target.closest(SELECTORS.EMOJI_PICKER_CONTAINER).length &&\n            !target.closest(SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON).length\n        ) {\n            var newState = StateManager.setShowEmojiPicker(viewState, false);\n            render(newState);\n        }\n    };\n\n    /**\n     * Listen to, and handle events for conversations.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Conversation header container element.\n     * @param {Object} body Conversation body container element.\n     * @param {Object} footer Conversation footer container element.\n     */\n    var registerEventListeners = function(namespace, header, body, footer) {\n        var isLoadingMoreMessages = false;\n        var messagesContainer = getMessagesContainer(body);\n        var emojiPickerElement = footer.find(SELECTORS.EMOJI_PICKER);\n        var emojiAutoCompleteContainer = footer.find(SELECTORS.EMOJI_AUTO_COMPLETE_CONTAINER);\n        var messageTextArea = footer.find(SELECTORS.MESSAGE_TEXT_AREA);\n        var headerActivateHandlers = [\n            [SELECTORS.ACTION_REQUEST_BLOCK, generateConfirmActionHandler(requestBlockUser)],\n            [SELECTORS.ACTION_REQUEST_UNBLOCK, generateConfirmActionHandler(requestUnblockUser)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_REQUEST_REMOVE_CONTACT, generateConfirmActionHandler(requestRemoveContact)],\n            [SELECTORS.ACTION_REQUEST_DELETE_CONVERSATION, generateConfirmActionHandler(requestDeleteConversation)],\n            [SELECTORS.ACTION_CANCEL_EDIT_MODE, handleCancelEditMode],\n            [SELECTORS.ACTION_VIEW_CONTACT, generateHandleViewContact(namespace)],\n            [SELECTORS.ACTION_VIEW_GROUP_INFO, generateHandleViewGroupInfo(namespace)],\n            [SELECTORS.ACTION_CONFIRM_FAVOURITE, handleSetFavourite],\n            [SELECTORS.ACTION_CONFIRM_MUTE, handleSetMuted],\n            [SELECTORS.ACTION_CONFIRM_UNFAVOURITE, handleUnsetFavourite],\n            [SELECTORS.ACTION_CONFIRM_UNMUTE, handleUnsetMuted]\n        ];\n        var bodyActivateHandlers = [\n            [SELECTORS.ACTION_CANCEL_CONFIRM, generateConfirmActionHandler(cancelRequest)],\n            [SELECTORS.ACTION_CONFIRM_BLOCK, generateConfirmActionHandler(blockUser)],\n            [SELECTORS.ACTION_CONFIRM_UNBLOCK, generateConfirmActionHandler(unblockUser)],\n            [SELECTORS.ACTION_CONFIRM_ADD_CONTACT, generateConfirmActionHandler(addContact)],\n            [SELECTORS.ACTION_CONFIRM_REMOVE_CONTACT, generateConfirmActionHandler(removeContact)],\n            [SELECTORS.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES, generateConfirmActionHandler(deleteSelectedMessages)],\n            [SELECTORS.ACTION_CONFIRM_DELETE_CONVERSATION, generateConfirmActionHandler(deleteConversation)],\n            [SELECTORS.ACTION_OKAY_CONFIRM, generateConfirmActionHandler(cancelRequest)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_ACCEPT_CONTACT_REQUEST, generateConfirmActionHandler(acceptContactRequest)],\n            [SELECTORS.ACTION_DECLINE_CONTACT_REQUEST, generateConfirmActionHandler(declineContactRequest)],\n            [SELECTORS.MESSAGE, handleSelectMessage],\n            [SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE, handleDeleteMessagesForAllUsersToggle],\n            [SELECTORS.RETRY_SEND, handleRetrySendMessage]\n        ];\n        var footerActivateHandlers = [\n            [SELECTORS.SEND_MESSAGE_BUTTON, handleSendMessage],\n            [SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON, handleToggleEmojiPicker],\n            [SELECTORS.ACTION_REQUEST_DELETE_SELECTED_MESSAGES, generateConfirmActionHandler(requestDeleteSelectedMessages)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_REQUEST_UNBLOCK, generateConfirmActionHandler(requestUnblockUser)],\n        ];\n\n        AutoRows.init(footer);\n\n        if (emojiAutoCompleteContainer.length) {\n            initialiseEmojiAutoComplete(\n                emojiAutoCompleteContainer[0],\n                messageTextArea[0],\n                function(hasSuggestions) {\n                    var newState = StateManager.setShowEmojiAutoComplete(viewState, hasSuggestions);\n                    render(newState);\n                },\n                function(emoji) {\n                    var newState = StateManager.setShowEmojiAutoComplete(viewState, false);\n                    render(newState);\n\n                    messageTextArea.focus();\n                    var cursorPos = messageTextArea.prop('selectionStart');\n                    var currentText = messageTextArea.val();\n                    var textBefore = currentText.substring(0, cursorPos).replace(/\\S*$/, '');\n                    var textAfter = currentText.substring(cursorPos).replace(/^\\S*/, '');\n\n                    messageTextArea.val(textBefore + emoji + textAfter);\n                    // Set the cursor position to after the inserted emoji.\n                    messageTextArea.prop('selectionStart', textBefore.length + emoji.length);\n                    messageTextArea.prop('selectionEnd', textBefore.length + emoji.length);\n                }\n            );\n        }\n\n        if (emojiPickerElement.length) {\n            initialiseEmojiPicker(emojiPickerElement[0], function(emoji) {\n                var newState = StateManager.setShowEmojiPicker(viewState, !viewState.showEmojiPicker);\n                render(newState);\n\n                messageTextArea.focus();\n                var cursorPos = messageTextArea.prop('selectionStart');\n                var currentText = messageTextArea.val();\n                var textBefore = currentText.substring(0, cursorPos);\n                var textAfter = currentText.substring(cursorPos, currentText.length);\n\n                messageTextArea.val(textBefore + emoji + textAfter);\n                // Set the cursor position to after the inserted emoji.\n                messageTextArea.prop('selectionStart', cursorPos + emoji.length);\n                messageTextArea.prop('selectionEnd', cursorPos + emoji.length);\n            });\n        }\n\n        CustomEvents.define(header, [\n            CustomEvents.events.activate\n        ]);\n        CustomEvents.define(body, [\n            CustomEvents.events.activate\n        ]);\n        CustomEvents.define(footer, [\n            CustomEvents.events.activate,\n            CustomEvents.events.enter,\n            CustomEvents.events.escape\n        ]);\n        CustomEvents.define(messagesContainer, [\n            CustomEvents.events.scrollTop,\n            CustomEvents.events.scrollLock\n        ]);\n\n        messagesContainer.on(CustomEvents.events.scrollTop, function(e, data) {\n            var hasMembers = Object.keys(viewState.members).length > 1;\n\n            if (!isResetting && !isLoadingMoreMessages && !hasLoadedAllMessages() && hasMembers) {\n                isLoadingMoreMessages = true;\n                var newState = StateManager.setLoadingMessages(viewState, true);\n                render(newState);\n\n                loadMessages(viewState.id, LOAD_MESSAGE_LIMIT, getMessagesOffset(), NEWEST_FIRST, [])\n                    .then(function() {\n                        isLoadingMoreMessages = false;\n                        setMessagesOffset(getMessagesOffset() + LOAD_MESSAGE_LIMIT);\n                        return;\n                    })\n                    .catch(function(error) {\n                        isLoadingMoreMessages = false;\n                        Notification.exception(error);\n                    });\n            }\n\n            data.originalEvent.preventDefault();\n        });\n\n        headerActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            header.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        bodyActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            body.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        footerActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            footer.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        footer.on(CustomEvents.events.enter, SELECTORS.MESSAGE_TEXT_AREA, function(e, data) {\n            var enterToSend = footer.attr('data-enter-to-send');\n            if (enterToSend && enterToSend != 'false' && enterToSend != '0') {\n                handleSendMessage(e, data);\n            }\n        });\n\n        footer.on(CustomEvents.events.escape, SELECTORS.EMOJI_PICKER_CONTAINER, handleToggleEmojiPicker);\n        $(document.body).on('click', handleCloseEmojiPicker);\n\n        PubSub.subscribe(MessageDrawerEvents.ROUTE_CHANGED, function(newRouteData) {\n            if (newMessagesPollTimer) {\n                if (newRouteData.route != MessageDrawerRoutes.VIEW_CONVERSATION) {\n                    newMessagesPollTimer.stop();\n                }\n            }\n        });\n    };\n\n    /**\n     * Reset the timer that polls for new messages.\n     *\n     * @param  {Number} conversationId The conversation id\n     */\n    var resetMessagePollTimer = function(conversationId) {\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        newMessagesPollTimer = new BackOffTimer(\n            getLoadNewMessagesCallback(conversationId, NEWEST_FIRST),\n            BackOffTimer.getIncrementalCallback(\n                viewState.messagePollMin * MILLISECONDS_IN_SEC,\n                MILLISECONDS_IN_SEC,\n                viewState.messagePollMax * MILLISECONDS_IN_SEC,\n                viewState.messagePollAfterMax * MILLISECONDS_IN_SEC\n            )\n        );\n\n        newMessagesPollTimer.start();\n    };\n\n    /**\n     * Reset the state to the initial state and render the UI.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number|null} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     */\n    var resetState = function(body, conversationId, loggedInUserProfile) {\n        // Reset all of the states back to the beginning if we're loading a new\n        // conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n        loadedAllMessages = false;\n        messagesOffset = 0;\n        newMessagesPollTimer = null;\n        isRendering = false;\n        renderBuffer = [];\n        isResetting = true;\n        isSendingMessage = false;\n        isDeletingConversationContent = false;\n        sendMessageBuffer = [];\n\n        var loggedInUserId = loggedInUserProfile.id;\n        var midnight = parseInt(body.attr('data-midnight'), 10);\n        var messagePollMin = parseInt(body.attr('data-message-poll-min'), 10);\n        var messagePollMax = parseInt(body.attr('data-message-poll-max'), 10);\n        var messagePollAfterMax = parseInt(body.attr('data-message-poll-after-max'), 10);\n        var initialState = StateManager.buildInitialState(\n            midnight,\n            loggedInUserId,\n            conversationId,\n            messagePollMin,\n            messagePollMax,\n            messagePollAfterMax\n        );\n\n        if (!viewState) {\n            viewState = initialState;\n        }\n\n        render(initialState);\n    };\n\n    /**\n     * Load a new empty private conversation between two users or self-conversation.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @param  {Int} otherUserId The other user's id.\n     * @return {Promise} Renderer promise.\n     */\n    var resetNoConversation = function(body, loggedInUserProfile, otherUserId) {\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, null, loggedInUserProfile);\n\n        var resetNoConversationPromise = null;\n\n        if (loggedInUserProfile.id != otherUserId) {\n            // Private conversation between two different users.\n            resetNoConversationPromise = Repository.getConversationBetweenUsers(\n                loggedInUserProfile.id,\n                otherUserId,\n                true,\n                true,\n                0,\n                0,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        } else {\n            // Self conversation.\n            resetNoConversationPromise = Repository.getSelfConversation(\n                loggedInUserProfile.id,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        }\n\n        return resetNoConversationPromise.then(function(conversation) {\n                // Looks like we have a conversation after all! Let's use that.\n                return resetByConversation(body, conversation, loggedInUserProfile);\n            })\n            .catch(function() {\n                // Can't find a conversation. Oh well. Just load up a blank one.\n                return loadEmptyPrivateConversation(loggedInUserProfile, otherUserId);\n            });\n    };\n\n    /**\n     * Load new messages into the conversation based on a time interval.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @return {Promise} Renderer promise.\n     */\n    var resetById = function(body, conversationId, loggedInUserProfile) {\n        var cache = null;\n        if (conversationId in stateCache) {\n            cache = stateCache[conversationId];\n        }\n\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, conversationId, loggedInUserProfile);\n\n        var promise = $.Deferred().resolve({}).promise();\n        if (cache) {\n            // We've seen this conversation before so there is no need to\n            // send any network requests.\n            var newState = cache.state;\n            // Reset some loading states just in case they were left weirdly.\n            newState = StateManager.setLoadingMessages(newState, false);\n            newState = StateManager.setLoadingMembers(newState, false);\n            setMessagesOffset(cache.messagesOffset);\n            setLoadedAllMessages(cache.loadedAllMessages);\n            render(newState);\n        } else {\n            promise = loadNewConversation(\n                conversationId,\n                loggedInUserProfile,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        }\n\n        return promise.then(function() {\n            return resetMessagePollTimer(conversationId);\n        });\n    };\n\n    /**\n     * Load new messages into the conversation based on a time interval.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Object} conversation The conversation.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @return {Promise} Renderer promise.\n     */\n    var resetByConversation = function(body, conversation, loggedInUserProfile) {\n        var cache = null;\n        if (conversation.id in stateCache) {\n            cache = stateCache[conversation.id];\n        }\n\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, conversation.id, loggedInUserProfile);\n\n        var promise = $.Deferred().resolve({}).promise();\n        if (cache) {\n            // We've seen this conversation before so there is no need to\n            // send any network requests.\n            var newState = cache.state;\n            // Reset some loading states just in case they were left weirdly.\n            newState = StateManager.setLoadingMessages(newState, false);\n            newState = StateManager.setLoadingMembers(newState, false);\n            setMessagesOffset(cache.messagesOffset);\n            setLoadedAllMessages(cache.loadedAllMessages);\n            render(newState);\n        } else {\n            promise = loadExistingConversation(\n                conversation,\n                loggedInUserProfile,\n                LOAD_MESSAGE_LIMIT,\n                NEWEST_FIRST\n            );\n        }\n\n        return promise.then(function() {\n            return resetMessagePollTimer(conversation.id);\n        });\n    };\n\n    /**\n     * Setup the conversation page. This is a rather complex function because there are a\n     * few combinations of arguments that can be provided to this function to show the\n     * conversation.\n     *\n     * There are:\n     * 1.) A conversation object with no action or other user id (e.g. from the overview page)\n     * 2.) A conversation id with no action or other user id (e.g. from the contacts page)\n     * 3.) No conversation/id with an action and other other user id. (e.g. from contact page)\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Conversation header container element.\n     * @param {Object} body Conversation body container element.\n     * @param {Object} footer Conversation footer container element.\n     * @param {Object|Number|null} conversationOrId Conversation or id or null\n     * @param {String} action An action to take on the conversation\n     * @param {Number} otherUserId The other user id for a private conversation\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, conversationOrId, action, otherUserId) {\n        var conversation = null;\n        var conversationId = null;\n\n        // Check what we were given to identify the conversation.\n        if (conversationOrId && conversationOrId !== null && typeof conversationOrId == 'object') {\n            conversation = conversationOrId;\n            conversationId = parseInt(conversation.id, 10);\n        } else {\n            conversation = null;\n            conversationId = parseInt(conversationOrId, 10);\n            conversationId = isNaN(conversationId) ? null : conversationId;\n        }\n\n        if (!conversationId && action && otherUserId) {\n            // If we didn't get a conversation id got a user id then let's see if we've\n            // previously loaded a private conversation with this user.\n            conversationId = getCachedPrivateConversationIdFromUserId(otherUserId);\n        }\n\n        // This is a new conversation if:\n        // 1. We don't already have a state\n        // 2. The given conversation doesn't match the one currently loaded\n        // 3. We have a view state without a conversation id and we weren't given one\n        //    but we were given a different other user id. This happens when the user\n        //    goes from viewing a user that they haven't yet initialised a conversation\n        //    with to viewing a different user that they also haven't initialised a\n        //    conversation with.\n        var isNewConversation = !viewState || (viewState.id != conversationId) || (otherUserId && otherUserId != getOtherUserId());\n\n        if (!body.attr('data-init')) {\n            // Generate the render function to bind the header, body, and footer\n            // elements to it so that we don't need to pass them around this module.\n            render = generateRenderFunction(header, body, footer, isNewConversation);\n            registerEventListeners(namespace, header, body, footer);\n            body.attr('data-init', true);\n        }\n\n        if (isNewConversation) {\n            var renderPromise = null;\n            var loggedInUserProfile = getLoggedInUserProfile(body);\n\n            if (conversation) {\n                renderPromise = resetByConversation(body, conversation, loggedInUserProfile, otherUserId);\n            } else if (conversationId) {\n                renderPromise = resetById(body, conversationId, loggedInUserProfile, otherUserId);\n            } else {\n                renderPromise = resetNoConversation(body, loggedInUserProfile, otherUserId);\n            }\n\n            return renderPromise\n                .then(function() {\n                    isResetting = false;\n                    // Focus the first element that can receieve it in the header.\n                    header.find(Constants.SELECTORS.CAN_RECEIVE_FOCUS).first().focus();\n                    return;\n                })\n                .catch(function(error) {\n                    isResetting = false;\n                    Notification.exception(error);\n                });\n        }\n\n        // We're not loading a new conversation so we should reset the poll timer to try to load\n        // new messages.\n        resetMessagePollTimer(conversationId);\n\n        if (viewState.type == CONVERSATION_TYPES.PRIVATE && action) {\n            // There are special actions that the user can perform in a private (aka 1-to-1)\n            // conversation.\n            var currentOtherUserId = getOtherUserId();\n\n            switch (action) {\n                case 'block':\n                    return requestBlockUser(currentOtherUserId);\n                case 'unblock':\n                    return requestUnblockUser(currentOtherUserId);\n                case 'add-contact':\n                    return requestAddContact(currentOtherUserId);\n                case 'remove-contact':\n                    return requestRemoveContact(currentOtherUserId);\n            }\n        }\n\n        // Final fallback to return a promise if we didn't need to do anything.\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewconversation', 'core_message', viewState.name);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_conversation.min.js"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation_patcher.min.js b/message/amd/build/message_drawer_view_conversation_patcher.min.js
index bf663cc9d44..27e8229d8f7 100644
--- a/message/amd/build/message_drawer_view_conversation_patcher.min.js
+++ b/message/amd/build/message_drawer_view_conversation_patcher.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core_message/message_drawer_view_conversation_patcher",["jquery","core/user_date","core_message/message_drawer_view_conversation_constants"],function(a,b,c){var d=function(a,c){var d=a.reduce(function(a,d){var e=d.timeCreated?d.timeCreated:c,f=b.getUserMidnightForTimestamp(e,c);if(a.hasOwnProperty(f)){a[f].push(d)}else{a[f]=[d]}return a},{});return Object.keys(d).map(function(a){return{timestamp:a,messages:d[a]}})},e=function(c,a,d){a=a.slice();var e=[],f=[],g=[];c.forEach(function(b){var c=!1,e=0;for(;e<a.length;e++){var h=a[e];if(d(b,h)){c=!0;g.push({a:b,b:h});break}}if(c){a.splice(e,1)}else{f.push(b)}});e=a;return{missingFromA:e,missingFromB:f,matches:g}},f=function(a,b){for(var c=null,d=0,e;d<a.length;d++){e=a[d];if(b(e)){return e}}return c},g=function(c,d){c=c.slice();d=d.slice();c.sort();d.sort();var e=c.length,f=d.length;if(1>e&&1>f){return!0}if(e!=f){return!1}return c.every(function(a,b){return a==d[b]})},h=function(c,a){var b=Object.keys(c),d=Object.keys(a);if(b.length!=d.length){return!1}return b.every(function(b){var d=c[b],e=a[b],f=_typeof(d),i=_typeof(e);f=null===d?"null":f;i=null===d?"null":i;f="object"===f&&Array.isArray(f)?"array":f;i="object"===i&&Array.isArray(i)?"array":i;if(f!==i){return!1}switch(f){case"object":return h(d,e);case"array":return g(d,e);default:return c[b]==a[b];}})},i=function(c,a){return h({id:c.id,state:c.sendState,text:c.text,timeCreated:c.timeCreated},{id:a.id,state:a.sendState,text:a.text,timeCreated:a.timeCreated})},j=function(a,b,c){return{remove:b,add:c.map(function(b){var c=f(a,function(a){return b.timestamp<a.timestamp});return{before:c,value:b}})}},k=function(a){var b=[],c=[],d=[];a.forEach(function(a){var g=a.a,h=a.b,j=e(g.messages,h.messages,i),k=e(j.missingFromB,j.missingFromA,function(c,a){return c.id==a.id||c.sendState!=a.sendState&&c.timeAdded==a.timeAdded});b=b.concat(k.missingFromB);k.missingFromA.forEach(function(a){var b=null;if(a.timeCreated){b=f(g.messages,function(b){if(a.timeCreated==b.timeCreated){return a.id<b.id}else{return a.timeCreated<b.timeCreated}})}c.push({before:b,value:a,day:g})});d=d.concat(k.matches.map(function(a){return{before:a.a,after:a.b}}))});return{add:c,remove:b,update:d}},l=function(a,b){var c=e(a.messages,b.messages,i);if(c.missingFromA.length||c.missingFromB.length){var f=d(a.messages,a.midnight),g=d(b.messages,b.midnight),h=e(f,g,function(a,b){return a.timestamp==b.timestamp});return{days:j(f,h.missingFromB,h.missingFromA),messages:k(h.matches)}}else{return null}},m=function(a,b){var d=L(a,b),e=B(a,b),f=J(a),g=J(b),h=d&&d.show&&!d.hasMessages,i=d&&!d.show,j=!f&&g;j=j||h||i;j=j||null!==e;if(j){return{type:c.CONVERSATION_TYPES.PRIVATE,showControls:!h&&!e,context:{id:b.id,name:b.name,subname:b.subname,totalmembercount:b.totalMemberCount,imageurl:b.imageUrl,isfavourite:b.isFavourite,ismuted:b.isMuted,showfavourite:null!==b.id,userid:g.id,showonlinestatus:g.showonlinestatus,isonline:g.isonline,isblocked:g.isblocked,iscontact:g.iscontact}}}return null},n=function(a,b){var d=null===a.name&&null!==b.name;if(d){return{type:c.CONVERSATION_TYPES.SELF,showControls:!1,context:{id:b.id,name:b.name,subname:b.subname,imageurl:b.imageUrl,isfavourite:b.isFavourite,showfavourite:null!==b.id,showonlinestatus:!0}}}return null},o=function(a,b){var d=a.totalMemberCount,e=b.totalMemberCount;if(d!=e){return{type:c.CONVERSATION_TYPES.PUBLIC,showControls:!0,context:{id:b.id,name:b.name,subname:b.subname,totalmembercount:b.totalMemberCount,imageurl:b.imageUrl,isfavourite:b.isFavourite,ismuted:b.isMuted,showfavourite:null!==b.id}}}else{return null}},p=function(a,b){var c=a.messages,d=b.messages;if(1>d.length){return null}if(1>c.length){return d[d.length-1].id}var e=c[a.messages.length-1],f=d[d.length-1],g=c[0],h=d[0];if(e.id!=f.id){return f.id}else if(g.id!=h.id){return g.id}return null},q=function(a,b){if(!a.loadingMembers&&b.loadingMembers){return!0}else if(a.loadingMembers&&!b.loadingMembers){return!1}else{return null}},r=function(a,b){if(a.hasTriedToLoadMessages===b.hasTriedToLoadMessages){return null}else if(!b.hasTriedToLoadMessages&&b.loadingMessages){return!0}else if(b.hasTriedToLoadMessages&&!b.loadingMessages){return!1}else{return null}},s=function(a,b){if(!a.loadingMessages&&b.loadingMessages){return!0}else if(a.loadingMessages&&!b.loadingMessages){return!1}else{return null}},t=function(a,b){if(!a.showEmojiPicker&&b.showEmojiPicker){return!0}else if(a.showEmojiPicker&&!b.showEmojiPicker){return!1}else{return null}},u=function(a,b){if(!a.showEmojiAutoComplete&&b.showEmojiAutoComplete){return!0}else if(a.showEmojiAutoComplete&&!b.showEmojiAutoComplete){return!1}else{return null}},v=function(a,b){if(b.pendingBlockUserIds.length){var c=b.pendingBlockUserIds[0];return b.members[c]}else if(a.pendingBlockUserIds.length){return!1}return null},w=function(a,b){if(b.pendingUnblockUserIds.length){var c=b.pendingUnblockUserIds[0];return b.members[c]}else if(a.pendingUnblockUserIds.length){return!1}return null},x=function(a,b){if(b.pendingAddContactIds.length){var c=b.pendingAddContactIds[0];return b.members[c]}else if(a.pendingAddContactIds.length){return!1}return null},y=function(a,b){if(b.pendingRemoveContactIds.length){var c=b.pendingRemoveContactIds[0];return b.members[c]}else if(a.pendingRemoveContactIds.length){return!1}return null},z=function(a,b){var c=a.pendingDeleteMessageIds.length,d=b.pendingDeleteMessageIds.length;if(d&&!c){return{show:!0,type:b.type,canDeleteMessagesForAllUsers:b.canDeleteMessagesForAllUsers}}else if(c&&!d){return{show:!1}}return null},A=function(a,b){if(!a.pendingDeleteConversation&&b.pendingDeleteConversation){return b.type}else if(a.pendingDeleteConversation&&!b.pendingDeleteConversation){return!1}return null},B=function(a,b){var c=a.loggedInUserId,d=J(a),e=J(b),f=!d?[]:d.contactrequests.filter(function(a){return a.requesteduserid==c&&a.userid==d.id}),g=!e?[]:e.contactrequests.filter(function(a){return a.requesteduserid==c&&a.userid==e.id}),h=f.length?f[0]:null,i=g.length?g[0]:null;if(!h&&i){return e}else if(h&&!i){return!1}else{return null}},C=function(a,b){var c=J(a),d=J(b);if(!c&&!d){return null}else if(!c&&d){return d.isblocked?!0:null}else if(!d&&c){return c.isblocked?!1:null}else if(c.isblocked&&!d.isblocked){return!1}else 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 //# sourceMappingURL=message_drawer_view_conversation_patcher.min.js.map
diff --git a/message/amd/build/message_drawer_view_conversation_patcher.min.js.map b/message/amd/build/message_drawer_view_conversation_patcher.min.js.map
index 97595f0e211..bc94f4e6031 100644
--- a/message/amd/build/message_drawer_view_conversation_patcher.min.js.map
+++ b/message/amd/build/message_drawer_view_conversation_patcher.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will take 2 view states from the message_drawer_view_conversation\n * module and generate a patch that can be given to the\n * message_drawer_view_conversation_renderer module to update the UI.\n *\n * This module should never modify either state. It's purely a read only\n * module.\n *\n * @module     core_message/message_drawer_view_conversation_patcher\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/user_date',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    UserDate,\n    Constants\n) {\n    /**\n     * Sort messages by day.\n     *\n     * @param  {Array} messages The list of messages to sort.\n     * @param  {Number} midnight User's midnight timestamp.\n     * @return {Array} messages sorted by day.\n     */\n    var sortMessagesByDay = function(messages, midnight) {\n        var messagesByDay = messages.reduce(function(carry, message) {\n            var timeCreated = message.timeCreated ? message.timeCreated : midnight;\n            var dayTimestamp = UserDate.getUserMidnightForTimestamp(timeCreated, midnight);\n\n            if (carry.hasOwnProperty(dayTimestamp)) {\n                carry[dayTimestamp].push(message);\n            } else {\n                carry[dayTimestamp] = [message];\n            }\n\n            return carry;\n        }, {});\n\n        return Object.keys(messagesByDay).map(function(dayTimestamp) {\n            return {\n                timestamp: dayTimestamp,\n                messages: messagesByDay[dayTimestamp]\n            };\n        });\n    };\n\n    /**\n     * Diff 2 arrays using a match function\n     *\n     * @param  {Array} a The first array.\n     * @param  {Array} b The second array.\n     * @param  {Function} matchFunction Function used for matching array items.\n     * @return {Object} Object containing array items missing from a, array items missing from b\n     * and matches\n     */\n    var diffArrays = function(a, b, matchFunction) {\n        // Make copy of it.\n        b = b.slice();\n        var missingFromA = [];\n        var missingFromB = [];\n        var matches = [];\n\n        a.forEach(function(current) {\n            var found = false;\n            var index = 0;\n\n            for (; index < b.length; index++) {\n                var next = b[index];\n\n                if (matchFunction(current, next)) {\n                    found = true;\n                    matches.push({\n                        a: current,\n                        b: next\n                    });\n                    break;\n                }\n            }\n\n            if (found) {\n                // This day has been processed so removed it from the list.\n                b.splice(index, 1);\n            } else {\n                // If we couldn't find it in the next messages then it means\n                // it needs to be added.\n                missingFromB.push(current);\n            }\n        });\n\n        missingFromA = b;\n\n        return {\n            missingFromA: missingFromA,\n            missingFromB: missingFromB,\n            matches: matches\n        };\n    };\n\n    /**\n     * Find an element in a array based on a matching function.\n     *\n     * @param  {array} array Array to search.\n     * @param  {Function} breakFunction Function to run on array item.\n     * @return {*} The array item.\n     */\n    var findPositionInArray = function(array, breakFunction) {\n        var before = null;\n\n        for (var i = 0; i < array.length; i++) {\n            var candidate = array[i];\n\n            if (breakFunction(candidate)) {\n                return candidate;\n            }\n        }\n\n        return before;\n    };\n\n    /**\n     * Check if 2 arrays are equal.\n     *\n     * @param  {Array} a The first array.\n     * @param  {Array} b The second array.\n     * @return {Boolean} Are arrays equal.\n     */\n    var isArrayEqual = function(a, b) {\n        // Make shallow copies so that we don't mess with the array sorting.\n        a = a.slice();\n        b = b.slice();\n        a.sort();\n        b.sort();\n        var aLength = a.length;\n        var bLength = b.length;\n\n        if (aLength < 1 && bLength < 1) {\n            return true;\n        }\n\n        if (aLength != bLength) {\n            return false;\n        }\n\n        return a.every(function(item, index) {\n            return item == b[index];\n        });\n    };\n\n    /**\n     * Do a shallow check to see if two objects appear to be equal. This should\n     * only be used for pretty basic objects.\n     *\n     * @param {Object} a First object to compare.\n     * @param {Object} b Second object to compare\n     * @return {Bool}\n     */\n    var isObjectEqual = function(a, b) {\n        var aKeys = Object.keys(a);\n        var bKeys = Object.keys(b);\n\n        if (aKeys.length != bKeys.length) {\n            return false;\n        }\n\n        return aKeys.every(function(key) {\n            var aVal = a[key];\n            var bVal = b[key];\n            var aType = typeof aVal;\n            var bType = typeof bVal;\n            aType = (aVal === null) ? 'null' : aType;\n            bType = (aVal === null) ? 'null' : bType;\n            aType = (aType === 'object' && Array.isArray(aType)) ? 'array' : aType;\n            bType = (bType === 'object' && Array.isArray(bType)) ? 'array' : bType;\n\n            if (aType !== bType) {\n                return false;\n            }\n\n            switch (aType) {\n                case 'object':\n                    return isObjectEqual(aVal, bVal);\n                case 'array':\n                    return isArrayEqual(aVal, bVal);\n                default:\n                    return a[key] == b[key];\n            }\n        });\n    };\n\n    /**\n     * Compare two messages to check if they are equal. This function only checks a subset\n     * of the message properties which we know will change rather than all properties.\n     *\n     * @param {Object} a The first message\n     * @param {Object} b The second message\n     * @return {Bool}\n     */\n    var isMessageEqual = function(a, b) {\n        return isObjectEqual(\n            {\n                id: a.id,\n                state: a.sendState,\n                text: a.text,\n                timeCreated: a.timeCreated\n            },\n            {\n                id: b.id,\n                state: b.sendState,\n                text: b.text,\n                timeCreated: b.timeCreated\n            }\n        );\n    };\n\n    /**\n     * Build a patch based on days.\n     *\n     * @param  {Object} current Current list current items.\n     * @param  {Array} remove List of days to remove.\n     * @param  {Array} add List of days to add.\n     * @return {Object} Patch with elements to add and remove.\n     */\n    var buildDaysPatch = function(current, remove, add) {\n        return {\n            remove: remove,\n            add: add.map(function(day) {\n                // Any days left over in the \"next\" list weren't in the \"current\" list\n                // so they will need to be added.\n                var before = findPositionInArray(current, function(candidate) {\n                    return day.timestamp < candidate.timestamp;\n                });\n\n                return {\n                    before: before,\n                    value: day\n                };\n            })\n        };\n    };\n\n    /**\n     * Build the messages patch for each day.\n     *\n     * @param {Array} matchingDays Array of old and new messages sorted by day.\n     * @return {Object} patch.\n     */\n    var buildMessagesPatch = function(matchingDays) {\n        var remove = [];\n        var add = [];\n        var update = [];\n\n        // Iterate over the list of days and determine which messages in those days\n        // have been changed.\n        matchingDays.forEach(function(days) {\n            var dayCurrent = days.a;\n            var dayNext = days.b;\n            // Find out which messages have changed in this day. This will return a list of messages\n            // from the current state that couldn't be found in the next state and a list of messages in\n            // the next state which couldn't be count in the current state.\n            var messagesDiff = diffArrays(dayCurrent.messages, dayNext.messages, isMessageEqual);\n            // Take the two arrays (list of messages changed from dayNext and list of messages changed\n            // from dayCurrent) any work out which messages have been added/removed from the list and\n            // which messages were just updated.\n            var patch = diffArrays(\n                // The messages from dayCurrent.message that weren't in dayNext.messages.\n                messagesDiff.missingFromB,\n                // The messages from dayNext.message that weren't in dayCurrent.messages.\n                messagesDiff.missingFromA,\n                function(a, b) {\n                    // This function is going to determine if the messages were\n                    // added/removed from either list or if they were simply an updated.\n                    //\n                    // If the IDs match or it was a state change (i.e. message with a temp\n                    // ID goes from pending to sent and receives an actual id) then they are\n                    // the same message which should be an update not an add/remove.\n                    return a.id == b.id || (a.sendState != b.sendState && a.timeAdded == b.timeAdded);\n                }\n            );\n\n            // Any messages from the current state for this day which aren't in the next state\n            // for this day (i.e. the user deleted the message) means we need to remove them from\n            // the UI.\n            remove = remove.concat(patch.missingFromB);\n\n            // Any messages not in the current state for this day which are in the next state\n            // for this day (i.e. it's a new message) means we need to add it to the UI so work\n            // out where in the list of messages it should appear (it could be a new message the\n            // user has sent or older messages loaded as part of the conversation scroll back).\n            patch.missingFromA.forEach(function(message) {\n                // By default a null value for before will render the message at the bottom of\n                // the message UI (i.e. it's the newest message).\n                var before = null;\n\n                if (message.timeCreated) {\n                    // If this message has a time created then find where it sits in the list of\n                    // message to insert it into the correct position.\n                    before = findPositionInArray(dayCurrent.messages, function(candidate) {\n                        if (message.timeCreated == candidate.timeCreated) {\n                            return message.id < candidate.id;\n                        } else {\n                            return message.timeCreated < candidate.timeCreated;\n                        }\n                    });\n                }\n\n                add.push({\n                    before: before,\n                    value: message,\n                    day: dayCurrent\n                });\n            });\n\n            // Any message that appears in both the current state for this day and the next state\n            // for this day means something in the message was updated.\n            update = update.concat(patch.matches.map(function(message) {\n                return {\n                    before: message.a,\n                    after: message.b\n                };\n            }));\n        });\n\n        return {\n            add: add,\n            remove: remove,\n            update: update\n        };\n    };\n\n    /**\n     * Build a patch for this conversation.\n     *\n     * @param  {Object} state, The current state of this conversation.\n     * @param  {Object} newState, The new state of this conversation.\n     * @return {Object} Patch with days and messsages for each day.\n     */\n    var buildConversationPatch = function(state, newState) {\n        var diff = diffArrays(state.messages, newState.messages, isMessageEqual);\n\n        if (diff.missingFromA.length || diff.missingFromB.length) {\n            // Some messages have changed so let's work out which ones by sorting\n            // them into their respective days.\n            var current = sortMessagesByDay(state.messages, state.midnight);\n            var next = sortMessagesByDay(newState.messages, newState.midnight);\n            // This diffs the arrays to work out if there are any missing days that need\n            // to be added (i.e. we've got some new messages on a new day) or if there\n            // are any days that need to be deleted (i.e. the user has deleted some old messages).\n            var daysDiff = diffArrays(current, next, function(dayCurrent, dayNext) {\n                return dayCurrent.timestamp == dayNext.timestamp;\n            });\n\n            return {\n                // Handle adding or removing whole days.\n                days: buildDaysPatch(current, daysDiff.missingFromB, daysDiff.missingFromA),\n                // Handle updating messages that don't require adding/removing a whole day.\n                messages: buildMessagesPatch(daysDiff.matches)\n            };\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypePrivate = function(state, newState) {\n        var requireAddContact = buildRequireAddContact(state, newState);\n        var confirmContactRequest = buildConfirmContactRequest(state, newState);\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var requiresAddContact = requireAddContact && requireAddContact.show && !requireAddContact.hasMessages;\n        var requiredAddContact = requireAddContact && !requireAddContact.show;\n        // Render the header once we've got a user.\n        var shouldRenderHeader = !oldOtherUser && newOtherUser;\n        // We should also re-render the header if the other user requires\n        // being added as a contact or if they did but no longer do.\n        shouldRenderHeader = shouldRenderHeader || requiresAddContact || requiredAddContact;\n        // Finally, we should re-render if the other user has sent this user\n        // a contact request that is waiting for approval or if it's been approved/declined.\n        shouldRenderHeader = shouldRenderHeader || confirmContactRequest !== null;\n\n        if (shouldRenderHeader) {\n            return {\n                type: Constants.CONVERSATION_TYPES.PRIVATE,\n                // We can show controls if the other user doesn't require add contact\n                // and we aren't waiting for this user to respond to a contact request.\n                showControls: !requiresAddContact && !confirmContactRequest,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    totalmembercount: newState.totalMemberCount,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    ismuted: newState.isMuted,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null,\n                    userid: newOtherUser.id,\n                    showonlinestatus: newOtherUser.showonlinestatus,\n                    isonline: newOtherUser.isonline,\n                    isblocked: newOtherUser.isblocked,\n                    iscontact: newOtherUser.iscontact\n                }\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypeSelf = function(state, newState) {\n        var shouldRenderHeader = (state.name === null && newState.name !== null);\n\n        if (shouldRenderHeader) {\n            return {\n                type: Constants.CONVERSATION_TYPES.SELF,\n                // Don't display the controls for the self-conversations.\n                showControls: false,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null,\n                    showonlinestatus: true,\n                }\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypePublic = function(state, newState) {\n        var oldMemberCount = state.totalMemberCount;\n        var newMemberCount = newState.totalMemberCount;\n\n        if (oldMemberCount != newMemberCount) {\n            return {\n                type: Constants.CONVERSATION_TYPES.PUBLIC,\n                showControls: true,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    totalmembercount: newState.totalMemberCount,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    ismuted: newState.isMuted,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null\n                }\n            };\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Find the newest or oldest message.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Number} Oldest or newest message id.\n     */\n    var buildScrollToMessagePatch = function(state, newState) {\n        var oldMessages = state.messages;\n        var newMessages = newState.messages;\n\n        if (newMessages.length < 1) {\n            return null;\n        }\n\n        if (oldMessages.length < 1) {\n            return newMessages[newMessages.length - 1].id;\n        }\n\n        var previousNewest = oldMessages[state.messages.length - 1];\n        var currentNewest = newMessages[newMessages.length - 1];\n        var previousOldest = oldMessages[0];\n        var currentOldest = newMessages[0];\n\n        if (previousNewest.id != currentNewest.id) {\n            return currentNewest.id;\n        } else if (previousOldest.id != currentOldest.id) {\n            return previousOldest.id;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if members should be loaded.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingMembersPatch = function(state, newState) {\n        if (!state.loadingMembers && newState.loadingMembers) {\n            return true;\n        } else if (state.loadingMembers && !newState.loadingMembers) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if the messages are being loaded for the first time.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingFirstMessages = function(state, newState) {\n        if (state.hasTriedToLoadMessages === newState.hasTriedToLoadMessages) {\n            return null;\n        } else if (!newState.hasTriedToLoadMessages && newState.loadingMessages) {\n            return true;\n        } else if (newState.hasTriedToLoadMessages && !newState.loadingMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if the messages are still being loaded\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingMessages = function(state, newState) {\n        if (!state.loadingMessages && newState.loadingMessages) {\n            return true;\n        } else if (state.loadingMessages && !newState.loadingMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Determine if we should show the emoji picker.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildShowEmojiPicker = function(state, newState) {\n        if (!state.showEmojiPicker && newState.showEmojiPicker) {\n            return true;\n        } else if (state.showEmojiPicker && !newState.showEmojiPicker) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Determine if we should show the emoji auto complete.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildShowEmojiAutoComplete = function(state, newState) {\n        if (!state.showEmojiAutoComplete && newState.showEmojiAutoComplete) {\n            return true;\n        } else if (state.showEmojiAutoComplete && !newState.showEmojiAutoComplete) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Get the user Object of user to be blocked if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmBlockUser = function(state, newState) {\n        if (newState.pendingBlockUserIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingBlockUserIds[0];\n            return newState.members[userId];\n        } else if (state.pendingBlockUserIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be unblocked if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmUnblockUser = function(state, newState) {\n        if (newState.pendingUnblockUserIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingUnblockUserIds[0];\n            return newState.members[userId];\n        } else if (state.pendingUnblockUserIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be added as contact if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmAddContact = function(state, newState) {\n        if (newState.pendingAddContactIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingAddContactIds[0];\n            return newState.members[userId];\n        } else if (state.pendingAddContactIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be removed as contact if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmRemoveContact = function(state, newState) {\n        if (newState.pendingRemoveContactIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingRemoveContactIds[0];\n            return newState.members[userId];\n        } else if (state.pendingRemoveContactIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there are any messages to be deleted.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Null} The conversation type and if the user can delete  the messages for all users.\n     */\n    var buildConfirmDeleteSelectedMessages = function(state, newState) {\n        var oldPendingCount = state.pendingDeleteMessageIds.length;\n        var newPendingCount = newState.pendingDeleteMessageIds.length;\n\n        if (newPendingCount && !oldPendingCount) {\n            return {\n                show: true,\n                type: newState.type,\n                canDeleteMessagesForAllUsers: newState.canDeleteMessagesForAllUsers\n            };\n        } else if (oldPendingCount && !newPendingCount) {\n            return {\n                show: false\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there is a conversation to be deleted.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {int|Null} The conversation type to be deleted.\n     */\n    var buildConfirmDeleteConversation = function(state, newState) {\n        if (!state.pendingDeleteConversation && newState.pendingDeleteConversation) {\n            return newState.type;\n        } else if (state.pendingDeleteConversation && !newState.pendingDeleteConversation) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there is a pending contact request to accept or decline.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildConfirmContactRequest = function(state, newState) {\n        var loggedInUserId = state.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldReceivedRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId && request.userid == oldOtherUser.id;\n        });\n        var newReceivedRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId && request.userid == newOtherUser.id;\n        });\n        var oldRequest = oldReceivedRequests.length ? oldReceivedRequests[0] : null;\n        var newRequest = newReceivedRequests.length ? newReceivedRequests[0] : null;\n\n        if (!oldRequest && newRequest) {\n            return newOtherUser;\n        } else if (oldRequest && !newRequest) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes in blocked users.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsBlocked = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.isblocked ? true : null;\n        } else if (!newOtherUser && oldOtherUser) {\n            return oldOtherUser.isblocked ? false : null;\n        } else if (oldOtherUser.isblocked && !newOtherUser.isblocked) {\n            return false;\n        } else if (!oldOtherUser.isblocked && newOtherUser.isblocked) {\n            return true;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes the conversation favourite state.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsFavourite = function(state, newState) {\n        var oldIsFavourite = state.isFavourite;\n        var newIsFavourite = newState.isFavourite;\n\n        if (state.id === null && newState.id === null) {\n            // The conversation isn't yet created so don't change anything.\n            return null;\n        } else if (state.id === null && newState.id !== null) {\n            // The conversation was created so we can show the add favourite button.\n            return 'show-add';\n        } else if (state.id !== null && newState.id === null) {\n            // We're changing from a created conversation to a new conversation so hide\n            // the favouriting functionality for now.\n            return 'hide';\n        } else if (oldIsFavourite == newIsFavourite) {\n            // No change.\n            return null;\n        } else if (!oldIsFavourite && newIsFavourite) {\n            return 'show-remove';\n        } else if (oldIsFavourite && !newIsFavourite) {\n            return 'show-add';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes the conversation muted state.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {string|null}\n     */\n    var buildIsMuted = function(state, newState) {\n        var oldIsMuted = state.isMuted;\n        var newIsMuted = newState.isMuted;\n\n        if (state.id === null && newState.id === null) {\n            // The conversation isn't yet created so don't change anything.\n            return null;\n        } else if (state.id === null && newState.id !== null) {\n            // The conversation was created so we can show the mute button.\n            return 'show-mute';\n        } else if (state.id !== null && newState.id === null) {\n            // We're changing from a created conversation to a new conversation so hide\n            // the muting functionality for now.\n            return 'hide';\n        } else if (oldIsMuted == newIsMuted) {\n            // No change.\n            return null;\n        } else if (!oldIsMuted && newIsMuted) {\n            return 'show-unmute';\n        } else if (oldIsMuted && !newIsMuted) {\n            return 'show-mute';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes in the contact status of the current user\n     * and other user.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsContact = function(state, newState) {\n        var loggedInUserId = state.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldContactRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return (request.userid == loggedInUserId && request.requesteduserid == oldOtherUser.id) ||\n                (request.userid == oldOtherUser.id && request.requesteduserid == loggedInUserId);\n        });\n        var newContactRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return (request.userid == loggedInUserId && request.requesteduserid == newOtherUser.id) ||\n                (request.userid == newOtherUser.id && request.requesteduserid == loggedInUserId);\n        });\n        var oldHasContactRequests = oldContactRequests.length > 0;\n        var newHasContactRequests = newContactRequests.length > 0;\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldHasContactRequests && newHasContactRequests) {\n            return null;\n        } else if (!oldHasContactRequests && newHasContactRequests && !newOtherUser.iscontact) {\n            return 'pending-contact';\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.iscontact ? 'contact' : null;\n        } else if (!newOtherUser && oldOtherUser) {\n            return oldOtherUser.iscontact ? 'non-contact' : null;\n        } else if (oldOtherUser.iscontact && !newOtherUser.iscontact) {\n            return newHasContactRequests ? 'pending-contact' : 'non-contact';\n        } else if (!oldOtherUser.iscontact && newOtherUser.iscontact) {\n            return 'contact';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if a confirm action is active.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingConfirmationAction = function(state, newState) {\n        if (!state.loadingConfirmAction && newState.loadingConfirmAction) {\n            return true;\n        } else if (state.loadingConfirmAction && !newState.loadingConfirmAction) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if a edit mode is active.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildInEditMode = function(state, newState) {\n        var oldHasSelectedMessages = state.selectedMessageIds.length > 0;\n        var newHasSelectedMessages = newState.selectedMessageIds.length > 0;\n        var numberOfMessagesHasChanged = state.messages.length != newState.messages.length;\n\n        if (!oldHasSelectedMessages && newHasSelectedMessages) {\n            return true;\n        } else if (oldHasSelectedMessages && !newHasSelectedMessages) {\n            return false;\n        } else if (oldHasSelectedMessages && numberOfMessagesHasChanged) {\n            return true;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build a patch for the messages selected.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildSelectedMessages = function(state, newState) {\n        var oldSelectedMessages = state.selectedMessageIds;\n        var newSelectedMessages = newState.selectedMessageIds;\n\n        if (isArrayEqual(oldSelectedMessages, newSelectedMessages)) {\n            return null;\n        }\n\n        var diff = diffArrays(oldSelectedMessages, newSelectedMessages, function(a, b) {\n            return a == b;\n        });\n\n        return {\n            count: newSelectedMessages.length,\n            add: diff.missingFromA,\n            remove: diff.missingFromB\n        };\n    };\n\n    /**\n     * Get a list of users from the state that are not the logged in user. Use to find group\n     * message members or the other user in a conversation.\n     *\n     * @param  {Object} state State\n     * @return {Array} List of users.\n     */\n    var getOtherUserFromState = function(state) {\n        return Object.keys(state.members).reduce(function(carry, userId) {\n            if (userId != state.loggedInUserId && !carry) {\n                carry = state.members[userId];\n            }\n\n            return carry;\n        }, null);\n    };\n\n    /**\n     * Check if the given user requires a contact request from the logged in user.\n     *\n     * @param  {Integer} loggedInUserId The logged in user id\n     * @param  {Object} user User record\n     * @return {Bool}\n     */\n    var requiresContactRequest = function(loggedInUserId, user) {\n        // If a user can message then no contact request is required.\n        if (user.canmessage) {\n            return false;\n        }\n\n        var contactRequests = user.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId || request.requesteduserid;\n        });\n        var hasSentContactRequest = contactRequests.length > 0;\n        return user.requirescontact && !user.iscontact && !hasSentContactRequest;\n    };\n\n    /**\n     * Check if other users are required to be added as contact.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} Object controlling the required to add contact dialog variables.\n     */\n    var buildRequireAddContact = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var hadMessages = state.messages.length > 0;\n        var hasMessages = newState.messages.length > 0;\n        var loggedInUserId = newState.loggedInUserId;\n        var prevRequiresContactRequest = oldOtherUser && requiresContactRequest(loggedInUserId, oldOtherUser);\n        var nextRequiresContactRequest = newOtherUser && requiresContactRequest(loggedInUserId, newOtherUser);\n        var confirmAddContact = buildConfirmAddContact(state, newState);\n        var finishedAddContact = confirmAddContact === false;\n\n        // Still doing first load.\n        if (!state.hasTriedToLoadMessages && !newState.hasTriedToLoadMessages) {\n            return null;\n        }\n\n        // No users yet.\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        }\n\n        // We've loaded a new user and they require a contact request.\n        if (!oldOtherUser && nextRequiresContactRequest) {\n            return {\n                show: true,\n                hasMessages: hasMessages,\n                user: newOtherUser\n            };\n        }\n\n        // The logged in user has completed the confirm contact request dialogue\n        // but the other user still requires a contact request which means the logged\n        // in user either declined the confirmation or it failed.\n        if (finishedAddContact && nextRequiresContactRequest) {\n            return {\n                show: true,\n                hasMessages: hasMessages,\n                user: newOtherUser\n            };\n        }\n\n        // Everything is loaded.\n        if (state.hasTriedToLoadMessages && newState.hasTriedToLoadMessages) {\n            if (!prevRequiresContactRequest && nextRequiresContactRequest) {\n                return {\n                    show: true,\n                    hasMessages: hasMessages,\n                    user: newOtherUser\n                };\n            }\n\n            if (prevRequiresContactRequest && !nextRequiresContactRequest) {\n                return {\n                    show: false,\n                    hasMessages: hasMessages\n                };\n            }\n        }\n\n        // First load just completed.\n        if (!state.hasTriedToLoadMessages && newState.hasTriedToLoadMessages) {\n            if (nextRequiresContactRequest) {\n                return {\n                    show: true,\n                    hasMessages: hasMessages,\n                    user: newOtherUser\n                };\n            }\n        }\n\n        // Being reset.\n        if (state.hasTriedToLoadMessages && !newState.hasTriedToLoadMessages) {\n            if (prevRequiresContactRequest) {\n                return {\n                    show: false,\n                    hasMessages: hadMessages\n                };\n            }\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if other users are required to be unblocked.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildRequireUnblock = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldOtherUser && !newOtherUser) {\n            return oldOtherUser.isblocked ? false : null;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.isblocked ? true : null;\n        } else if (!oldOtherUser.isblocked && newOtherUser.isblocked) {\n            return true;\n        } else if (oldOtherUser.isblocked && !newOtherUser.isblocked) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if other users can be messaged.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildUnableToMessage = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (newState.type == Constants.CONVERSATION_TYPES.SELF) {\n            // Users always can send message themselves on self-conversations.\n            return null;\n        }\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldOtherUser && !newOtherUser) {\n            return oldOtherUser.canmessage ? null : true;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.canmessage ? null : true;\n        } else if (!oldOtherUser.canmessage && newOtherUser.canmessage) {\n            return false;\n        } else if (oldOtherUser.canmessage && !newOtherUser.canmessage) {\n            return true;\n        }\n\n        return null;\n    };\n\n    /**\n     * Build patch for footer information for a private conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} containing footer state type.\n     */\n    var buildFooterPatchTypePrivate = function(state, newState) {\n        var loadingFirstMessages = buildLoadingFirstMessages(state, newState);\n        var inEditMode = buildInEditMode(state, newState);\n        var requireAddContact = buildRequireAddContact(state, newState);\n        var requireUnblock = buildRequireUnblock(state, newState);\n        var unableToMessage = buildUnableToMessage(state, newState);\n        var showRequireAddContact = requireAddContact !== null ? requireAddContact.show && requireAddContact.hasMessages : null;\n        var otherUser = getOtherUserFromState(newState);\n        var generateReturnValue = function(checkValue, successReturn) {\n            if (checkValue) {\n                return successReturn;\n            } else if (checkValue !== null && !checkValue) {\n                if (!otherUser) {\n                    return {type: 'content'};\n                } else if (otherUser.isblocked) {\n                    return {type: 'unblock'};\n                } else if (newState.messages.length && requiresContactRequest(newState.loggedInUserId, otherUser)) {\n                    return {\n                        type: 'add-contact',\n                        user: otherUser\n                    };\n                } else if (!otherUser.canmessage && (otherUser.requirescontact && !otherUser.iscontact)) {\n                    return {type: 'unable-to-message'};\n                }\n            }\n\n            return null;\n        };\n\n        if (\n            loadingFirstMessages === null &&\n            inEditMode === null &&\n            requireAddContact === null &&\n            requireUnblock === null\n        ) {\n            return null;\n        }\n\n        var checks = [\n            [loadingFirstMessages, {type: 'placeholder'}],\n            [inEditMode, {type: 'edit-mode'}],\n            [unableToMessage, {type: 'unable-to-message'}],\n            [requireUnblock, {type: 'unblock'}],\n            [showRequireAddContact, {type: 'add-contact', user: otherUser}]\n        ];\n\n        for (var i = 0; i < checks.length; i++) {\n            var checkValue = checks[i][0];\n            var successReturn = checks[i][1];\n            var result = generateReturnValue(checkValue, successReturn);\n\n            if (result !== null) {\n                return result;\n            }\n        }\n\n        return {\n            type: 'content'\n        };\n    };\n\n    /**\n     * Build patch for footer information for a public conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} containing footer state type.\n     */\n    var buildFooterPatchTypePublic = function(state, newState) {\n        var loadingFirstMessages = buildLoadingFirstMessages(state, newState);\n        var inEditMode = buildInEditMode(state, newState);\n\n        if (loadingFirstMessages === null && inEditMode === null) {\n            return null;\n        }\n\n        if (loadingFirstMessages) {\n            return {type: 'placeholder'};\n        }\n\n        if (inEditMode) {\n            return {type: 'edit-mode'};\n        }\n\n        return {\n            type: 'content'\n        };\n    };\n\n    /**\n     * Check if we're viewing a different conversation. If so then we need to\n     * reset the UI.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {bool|null} If a reset needs to occur\n     */\n    var buildReset = function(state, newState) {\n        var oldType = state.type;\n        var newType = newState.type;\n        var oldConversationId = state.id;\n        var newConversationId = newState.id;\n        var oldMemberIds = Object.keys(state.members);\n        var newMemberIds = Object.keys(newState.members);\n\n        oldMemberIds.sort();\n        newMemberIds.sort();\n\n        var membersUnchanged = oldMemberIds.every(function(id, index) {\n            return id == newMemberIds[index];\n        });\n\n        if (oldType != newType) {\n            // If we've changed conversation type then we need to reset.\n            return true;\n        } else if (oldConversationId && !newConversationId) {\n            // We previously had a conversation id but no longer do. This likely means\n            // the user is viewing the conversation with someone they've never spoken to\n            // before.\n            return true;\n        } else if (oldConversationId && newConversationId && oldConversationId != newConversationId) {\n            // If we had a conversation id and it's changed then we need to reset.\n            return true;\n        } else if (!oldConversationId && !newConversationId && !membersUnchanged) {\n            // If we never had a conversation id but the members of the conversation have\n            // changed then we need to reset. This can happen if the user goes from viewing\n            // a user they've never had a conversation with to viewing a different user that\n            // they've never had a conversation with.\n            return true;\n        }\n\n        return null;\n    };\n\n    /**\n     * We should show this message always, for all the self-conversations.\n     *\n     * The message should be hidden when it's not a self-conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {bool}\n     */\n    var buildSelfConversationMessage = function(state, newState) {\n        if (state.type != newState.type) {\n            return (newState.type == Constants.CONVERSATION_TYPES.SELF);\n        }\n\n        return null;\n    };\n\n    /**\n     * We should show the contact request sent message if the user just sent\n     * a contact request to the other user and there are no messages in the\n     * conversation.\n     *\n     * The messages should be hidden when there are messages in the conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {string|false|null}\n     */\n    var buildContactRequestSent = function(state, newState) {\n        var loggedInUserId = newState.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldSentRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId;\n        });\n        var newSentRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId;\n        });\n        var oldRequest = oldSentRequests.length > 0;\n        var newRequest = newSentRequests.length > 0;\n        var hadMessages = state.messages.length > 0;\n        var hasMessages = state.messages.length > 0;\n\n        if (!oldRequest && newRequest && !newOtherUser.iscontact && !hasMessages) {\n            return newOtherUser.fullname;\n        } else if (oldOtherUser && !oldOtherUser.iscontact && newRequest && newOtherUser.iscontact) {\n            // Contact request accepted.\n            return false;\n        } else if (oldRequest && !newRequest) {\n            return false;\n        } else if (!hadMessages && hasMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build the full patch comparing the current state and the new state. This patch is used by\n     * the conversation renderer to render the UI on any update.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} Patch containing all information changed.\n     */\n    var buildPatch = function(state, newState) {\n        var config = {\n            all: {\n                reset: buildReset,\n                conversation: buildConversationPatch,\n                scrollToMessage: buildScrollToMessagePatch,\n                loadingMembers: buildLoadingMembersPatch,\n                loadingFirstMessages: buildLoadingFirstMessages,\n                loadingMessages: buildLoadingMessages,\n                confirmDeleteSelectedMessages: buildConfirmDeleteSelectedMessages,\n                inEditMode: buildInEditMode,\n                selectedMessages: buildSelectedMessages,\n                isFavourite: buildIsFavourite,\n                isMuted: buildIsMuted,\n                showEmojiPicker: buildShowEmojiPicker,\n                showEmojiAutoComplete: buildShowEmojiAutoComplete\n            }\n        };\n        // These build functions are only applicable to private conversations.\n        config[Constants.CONVERSATION_TYPES.PRIVATE] = {\n            header: buildHeaderPatchTypePrivate,\n            footer: buildFooterPatchTypePrivate,\n            confirmBlockUser: buildConfirmBlockUser,\n            confirmUnblockUser: buildConfirmUnblockUser,\n            confirmAddContact: buildConfirmAddContact,\n            confirmRemoveContact: buildConfirmRemoveContact,\n            confirmContactRequest: buildConfirmContactRequest,\n            confirmDeleteConversation: buildConfirmDeleteConversation,\n            isBlocked: buildIsBlocked,\n            isContact: buildIsContact,\n            loadingConfirmAction: buildLoadingConfirmationAction,\n            requireAddContact: buildRequireAddContact,\n            contactRequestSent: buildContactRequestSent\n        };\n        // These build functions are only applicable to public (group) conversations.\n        config[Constants.CONVERSATION_TYPES.PUBLIC] = {\n            header: buildHeaderPatchTypePublic,\n            footer: buildFooterPatchTypePublic,\n        };\n        // These build functions are only applicable to self-conversations.\n        config[Constants.CONVERSATION_TYPES.SELF] = {\n            header: buildHeaderPatchTypeSelf,\n            footer: buildFooterPatchTypePublic,\n            confirmDeleteConversation: buildConfirmDeleteConversation,\n            selfConversationMessage: buildSelfConversationMessage\n        };\n\n        var patchConfig = $.extend({}, config.all);\n        if (newState.type && newState.type in config) {\n            // Add the type specific builders to the patch config.\n            patchConfig = $.extend(patchConfig, config[newState.type]);\n        }\n\n        return Object.keys(patchConfig).reduce(function(patch, key) {\n            var buildFunc = patchConfig[key];\n            var value = buildFunc(state, newState);\n\n            if (value !== null) {\n                patch[key] = value;\n            }\n\n            return patch;\n        }, {});\n    };\n\n    return {\n        buildPatch: buildPatch\n    };\n});\n"],"file":"message_drawer_view_conversation_patcher.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will take 2 view states from the message_drawer_view_conversation\n * module and generate a patch that can be given to the\n * message_drawer_view_conversation_renderer module to update the UI.\n *\n * This module should never modify either state. It's purely a read only\n * module.\n *\n * @module     core_message/message_drawer_view_conversation_patcher\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/user_date',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    UserDate,\n    Constants\n) {\n    /**\n     * Sort messages by day.\n     *\n     * @param  {Array} messages The list of messages to sort.\n     * @param  {Number} midnight User's midnight timestamp.\n     * @return {Array} messages sorted by day.\n     */\n    var sortMessagesByDay = function(messages, midnight) {\n        var messagesByDay = messages.reduce(function(carry, message) {\n            var timeCreated = message.timeCreated ? message.timeCreated : midnight;\n            var dayTimestamp = UserDate.getUserMidnightForTimestamp(timeCreated, midnight);\n\n            if (carry.hasOwnProperty(dayTimestamp)) {\n                carry[dayTimestamp].push(message);\n            } else {\n                carry[dayTimestamp] = [message];\n            }\n\n            return carry;\n        }, {});\n\n        return Object.keys(messagesByDay).map(function(dayTimestamp) {\n            return {\n                timestamp: dayTimestamp,\n                messages: messagesByDay[dayTimestamp]\n            };\n        });\n    };\n\n    /**\n     * Diff 2 arrays using a match function\n     *\n     * @param  {Array} a The first array.\n     * @param  {Array} b The second array.\n     * @param  {Function} matchFunction Function used for matching array items.\n     * @return {Object} Object containing array items missing from a, array items missing from b\n     * and matches\n     */\n    var diffArrays = function(a, b, matchFunction) {\n        // Make copy of it.\n        b = b.slice();\n        var missingFromA = [];\n        var missingFromB = [];\n        var matches = [];\n\n        a.forEach(function(current) {\n            var found = false;\n            var index = 0;\n\n            for (; index < b.length; index++) {\n                var next = b[index];\n\n                if (matchFunction(current, next)) {\n                    found = true;\n                    matches.push({\n                        a: current,\n                        b: next\n                    });\n                    break;\n                }\n            }\n\n            if (found) {\n                // This day has been processed so removed it from the list.\n                b.splice(index, 1);\n            } else {\n                // If we couldn't find it in the next messages then it means\n                // it needs to be added.\n                missingFromB.push(current);\n            }\n        });\n\n        missingFromA = b;\n\n        return {\n            missingFromA: missingFromA,\n            missingFromB: missingFromB,\n            matches: matches\n        };\n    };\n\n    /**\n     * Find an element in a array based on a matching function.\n     *\n     * @param  {array} array Array to search.\n     * @param  {Function} breakFunction Function to run on array item.\n     * @return {*} The array item.\n     */\n    var findPositionInArray = function(array, breakFunction) {\n        var before = null;\n\n        for (var i = 0; i < array.length; i++) {\n            var candidate = array[i];\n\n            if (breakFunction(candidate)) {\n                return candidate;\n            }\n        }\n\n        return before;\n    };\n\n    /**\n     * Check if 2 arrays are equal.\n     *\n     * @param  {Array} a The first array.\n     * @param  {Array} b The second array.\n     * @return {Boolean} Are arrays equal.\n     */\n    var isArrayEqual = function(a, b) {\n        // Make shallow copies so that we don't mess with the array sorting.\n        a = a.slice();\n        b = b.slice();\n        a.sort();\n        b.sort();\n        var aLength = a.length;\n        var bLength = b.length;\n\n        if (aLength < 1 && bLength < 1) {\n            return true;\n        }\n\n        if (aLength != bLength) {\n            return false;\n        }\n\n        return a.every(function(item, index) {\n            return item == b[index];\n        });\n    };\n\n    /**\n     * Do a shallow check to see if two objects appear to be equal. This should\n     * only be used for pretty basic objects.\n     *\n     * @param {Object} a First object to compare.\n     * @param {Object} b Second object to compare\n     * @return {Bool}\n     */\n    var isObjectEqual = function(a, b) {\n        var aKeys = Object.keys(a);\n        var bKeys = Object.keys(b);\n\n        if (aKeys.length != bKeys.length) {\n            return false;\n        }\n\n        return aKeys.every(function(key) {\n            var aVal = a[key];\n            var bVal = b[key];\n            var aType = typeof aVal;\n            var bType = typeof bVal;\n            aType = (aVal === null) ? 'null' : aType;\n            bType = (aVal === null) ? 'null' : bType;\n            aType = (aType === 'object' && Array.isArray(aType)) ? 'array' : aType;\n            bType = (bType === 'object' && Array.isArray(bType)) ? 'array' : bType;\n\n            if (aType !== bType) {\n                return false;\n            }\n\n            switch (aType) {\n                case 'object':\n                    return isObjectEqual(aVal, bVal);\n                case 'array':\n                    return isArrayEqual(aVal, bVal);\n                default:\n                    return a[key] == b[key];\n            }\n        });\n    };\n\n    /**\n     * Compare two messages to check if they are equal. This function only checks a subset\n     * of the message properties which we know will change rather than all properties.\n     *\n     * @param {Object} a The first message\n     * @param {Object} b The second message\n     * @return {Bool}\n     */\n    var isMessageEqual = function(a, b) {\n        return isObjectEqual(\n            {\n                id: a.id,\n                state: a.sendState,\n                text: a.text,\n                timeCreated: a.timeCreated\n            },\n            {\n                id: b.id,\n                state: b.sendState,\n                text: b.text,\n                timeCreated: b.timeCreated\n            }\n        );\n    };\n\n    /**\n     * Build a patch based on days.\n     *\n     * @param  {Object} current Current list current items.\n     * @param  {Array} remove List of days to remove.\n     * @param  {Array} add List of days to add.\n     * @return {Object} Patch with elements to add and remove.\n     */\n    var buildDaysPatch = function(current, remove, add) {\n        return {\n            remove: remove,\n            add: add.map(function(day) {\n                // Any days left over in the \"next\" list weren't in the \"current\" list\n                // so they will need to be added.\n                var before = findPositionInArray(current, function(candidate) {\n                    return day.timestamp < candidate.timestamp;\n                });\n\n                return {\n                    before: before,\n                    value: day\n                };\n            })\n        };\n    };\n\n    /**\n     * Build the messages patch for each day.\n     *\n     * @param {Array} matchingDays Array of old and new messages sorted by day.\n     * @return {Object} patch.\n     */\n    var buildMessagesPatch = function(matchingDays) {\n        var remove = [];\n        var add = [];\n        var update = [];\n\n        // Iterate over the list of days and determine which messages in those days\n        // have been changed.\n        matchingDays.forEach(function(days) {\n            var dayCurrent = days.a;\n            var dayNext = days.b;\n            // Find out which messages have changed in this day. This will return a list of messages\n            // from the current state that couldn't be found in the next state and a list of messages in\n            // the next state which couldn't be count in the current state.\n            var messagesDiff = diffArrays(dayCurrent.messages, dayNext.messages, isMessageEqual);\n            // Take the two arrays (list of messages changed from dayNext and list of messages changed\n            // from dayCurrent) any work out which messages have been added/removed from the list and\n            // which messages were just updated.\n            var patch = diffArrays(\n                // The messages from dayCurrent.message that weren't in dayNext.messages.\n                messagesDiff.missingFromB,\n                // The messages from dayNext.message that weren't in dayCurrent.messages.\n                messagesDiff.missingFromA,\n                function(a, b) {\n                    // This function is going to determine if the messages were\n                    // added/removed from either list or if they were simply an updated.\n                    //\n                    // If the IDs match or it was a state change (i.e. message with a temp\n                    // ID goes from pending to sent and receives an actual id) then they are\n                    // the same message which should be an update not an add/remove.\n                    return a.id == b.id || (a.sendState != b.sendState && a.timeAdded == b.timeAdded);\n                }\n            );\n\n            // Any messages from the current state for this day which aren't in the next state\n            // for this day (i.e. the user deleted the message) means we need to remove them from\n            // the UI.\n            remove = remove.concat(patch.missingFromB);\n\n            // Any messages not in the current state for this day which are in the next state\n            // for this day (i.e. it's a new message) means we need to add it to the UI so work\n            // out where in the list of messages it should appear (it could be a new message the\n            // user has sent or older messages loaded as part of the conversation scroll back).\n            patch.missingFromA.forEach(function(message) {\n                // By default a null value for before will render the message at the bottom of\n                // the message UI (i.e. it's the newest message).\n                var before = null;\n\n                if (message.timeCreated) {\n                    // If this message has a time created then find where it sits in the list of\n                    // message to insert it into the correct position.\n                    before = findPositionInArray(dayCurrent.messages, function(candidate) {\n                        if (message.timeCreated == candidate.timeCreated) {\n                            return message.id < candidate.id;\n                        } else {\n                            return message.timeCreated < candidate.timeCreated;\n                        }\n                    });\n                }\n\n                add.push({\n                    before: before,\n                    value: message,\n                    day: dayCurrent\n                });\n            });\n\n            // Any message that appears in both the current state for this day and the next state\n            // for this day means something in the message was updated.\n            update = update.concat(patch.matches.map(function(message) {\n                return {\n                    before: message.a,\n                    after: message.b\n                };\n            }));\n        });\n\n        return {\n            add: add,\n            remove: remove,\n            update: update\n        };\n    };\n\n    /**\n     * Build a patch for this conversation.\n     *\n     * @param  {Object} state, The current state of this conversation.\n     * @param  {Object} newState, The new state of this conversation.\n     * @return {Object} Patch with days and messsages for each day.\n     */\n    var buildConversationPatch = function(state, newState) {\n        var diff = diffArrays(state.messages, newState.messages, isMessageEqual);\n\n        if (diff.missingFromA.length || diff.missingFromB.length) {\n            // Some messages have changed so let's work out which ones by sorting\n            // them into their respective days.\n            var current = sortMessagesByDay(state.messages, state.midnight);\n            var next = sortMessagesByDay(newState.messages, newState.midnight);\n            // This diffs the arrays to work out if there are any missing days that need\n            // to be added (i.e. we've got some new messages on a new day) or if there\n            // are any days that need to be deleted (i.e. the user has deleted some old messages).\n            var daysDiff = diffArrays(current, next, function(dayCurrent, dayNext) {\n                return dayCurrent.timestamp == dayNext.timestamp;\n            });\n\n            return {\n                // Handle adding or removing whole days.\n                days: buildDaysPatch(current, daysDiff.missingFromB, daysDiff.missingFromA),\n                // Handle updating messages that don't require adding/removing a whole day.\n                messages: buildMessagesPatch(daysDiff.matches)\n            };\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypePrivate = function(state, newState) {\n        var requireAddContact = buildRequireAddContact(state, newState);\n        var confirmContactRequest = buildConfirmContactRequest(state, newState);\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var requiresAddContact = requireAddContact && requireAddContact.show && !requireAddContact.hasMessages;\n        var requiredAddContact = requireAddContact && !requireAddContact.show;\n        // Render the header once we've got a user.\n        var shouldRenderHeader = !oldOtherUser && newOtherUser;\n        // We should also re-render the header if the other user requires\n        // being added as a contact or if they did but no longer do.\n        shouldRenderHeader = shouldRenderHeader || requiresAddContact || requiredAddContact;\n        // Finally, we should re-render if the other user has sent this user\n        // a contact request that is waiting for approval or if it's been approved/declined.\n        shouldRenderHeader = shouldRenderHeader || confirmContactRequest !== null;\n\n        if (shouldRenderHeader) {\n            return {\n                type: Constants.CONVERSATION_TYPES.PRIVATE,\n                // We can show controls if the other user doesn't require add contact\n                // and we aren't waiting for this user to respond to a contact request.\n                showControls: !requiresAddContact && !confirmContactRequest,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    totalmembercount: newState.totalMemberCount,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    ismuted: newState.isMuted,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null,\n                    userid: newOtherUser.id,\n                    showonlinestatus: newOtherUser.showonlinestatus,\n                    isonline: newOtherUser.isonline,\n                    isblocked: newOtherUser.isblocked,\n                    iscontact: newOtherUser.iscontact\n                }\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypeSelf = function(state, newState) {\n        var shouldRenderHeader = (state.name === null && newState.name !== null);\n\n        if (shouldRenderHeader) {\n            return {\n                type: Constants.CONVERSATION_TYPES.SELF,\n                // Don't display the controls for the self-conversations.\n                showControls: false,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null,\n                    showonlinestatus: true,\n                }\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypePublic = function(state, newState) {\n        var oldMemberCount = state.totalMemberCount;\n        var newMemberCount = newState.totalMemberCount;\n\n        if (oldMemberCount != newMemberCount) {\n            return {\n                type: Constants.CONVERSATION_TYPES.PUBLIC,\n                showControls: true,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    totalmembercount: newState.totalMemberCount,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    ismuted: newState.isMuted,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null\n                }\n            };\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Find the newest or oldest message.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Number} Oldest or newest message id.\n     */\n    var buildScrollToMessagePatch = function(state, newState) {\n        var oldMessages = state.messages;\n        var newMessages = newState.messages;\n\n        if (newMessages.length < 1) {\n            return null;\n        }\n\n        if (oldMessages.length < 1) {\n            return newMessages[newMessages.length - 1].id;\n        }\n\n        var previousNewest = oldMessages[state.messages.length - 1];\n        var currentNewest = newMessages[newMessages.length - 1];\n        var previousOldest = oldMessages[0];\n        var currentOldest = newMessages[0];\n\n        if (previousNewest.id != currentNewest.id) {\n            return currentNewest.id;\n        } else if (previousOldest.id != currentOldest.id) {\n            return previousOldest.id;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if members should be loaded.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingMembersPatch = function(state, newState) {\n        if (!state.loadingMembers && newState.loadingMembers) {\n            return true;\n        } else if (state.loadingMembers && !newState.loadingMembers) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if the messages are being loaded for the first time.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingFirstMessages = function(state, newState) {\n        if (state.hasTriedToLoadMessages === newState.hasTriedToLoadMessages) {\n            return null;\n        } else if (!newState.hasTriedToLoadMessages && newState.loadingMessages) {\n            return true;\n        } else if (newState.hasTriedToLoadMessages && !newState.loadingMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if the messages are still being loaded\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingMessages = function(state, newState) {\n        if (!state.loadingMessages && newState.loadingMessages) {\n            return true;\n        } else if (state.loadingMessages && !newState.loadingMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Determine if we should show the emoji picker.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildShowEmojiPicker = function(state, newState) {\n        if (!state.showEmojiPicker && newState.showEmojiPicker) {\n            return true;\n        } else if (state.showEmojiPicker && !newState.showEmojiPicker) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Determine if we should show the emoji auto complete.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildShowEmojiAutoComplete = function(state, newState) {\n        if (!state.showEmojiAutoComplete && newState.showEmojiAutoComplete) {\n            return true;\n        } else if (state.showEmojiAutoComplete && !newState.showEmojiAutoComplete) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Get the user Object of user to be blocked if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmBlockUser = function(state, newState) {\n        if (newState.pendingBlockUserIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingBlockUserIds[0];\n            return newState.members[userId];\n        } else if (state.pendingBlockUserIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be unblocked if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmUnblockUser = function(state, newState) {\n        if (newState.pendingUnblockUserIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingUnblockUserIds[0];\n            return newState.members[userId];\n        } else if (state.pendingUnblockUserIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be added as contact if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmAddContact = function(state, newState) {\n        if (newState.pendingAddContactIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingAddContactIds[0];\n            return newState.members[userId];\n        } else if (state.pendingAddContactIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be removed as contact if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmRemoveContact = function(state, newState) {\n        if (newState.pendingRemoveContactIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingRemoveContactIds[0];\n            return newState.members[userId];\n        } else if (state.pendingRemoveContactIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there are any messages to be deleted.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Null} The conversation type and if the user can delete  the messages for all users.\n     */\n    var buildConfirmDeleteSelectedMessages = function(state, newState) {\n        var oldPendingCount = state.pendingDeleteMessageIds.length;\n        var newPendingCount = newState.pendingDeleteMessageIds.length;\n\n        if (newPendingCount && !oldPendingCount) {\n            return {\n                show: true,\n                type: newState.type,\n                canDeleteMessagesForAllUsers: newState.canDeleteMessagesForAllUsers\n            };\n        } else if (oldPendingCount && !newPendingCount) {\n            return {\n                show: false\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there is a conversation to be deleted.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {int|Null} The conversation type to be deleted.\n     */\n    var buildConfirmDeleteConversation = function(state, newState) {\n        if (!state.pendingDeleteConversation && newState.pendingDeleteConversation) {\n            return newState.type;\n        } else if (state.pendingDeleteConversation && !newState.pendingDeleteConversation) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there is a pending contact request to accept or decline.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildConfirmContactRequest = function(state, newState) {\n        var loggedInUserId = state.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldReceivedRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId && request.userid == oldOtherUser.id;\n        });\n        var newReceivedRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId && request.userid == newOtherUser.id;\n        });\n        var oldRequest = oldReceivedRequests.length ? oldReceivedRequests[0] : null;\n        var newRequest = newReceivedRequests.length ? newReceivedRequests[0] : null;\n\n        if (!oldRequest && newRequest) {\n            return newOtherUser;\n        } else if (oldRequest && !newRequest) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes in blocked users.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsBlocked = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.isblocked ? true : null;\n        } else if (!newOtherUser && oldOtherUser) {\n            return oldOtherUser.isblocked ? false : null;\n        } else if (oldOtherUser.isblocked && !newOtherUser.isblocked) {\n            return false;\n        } else if (!oldOtherUser.isblocked && newOtherUser.isblocked) {\n            return true;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes the conversation favourite state.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsFavourite = function(state, newState) {\n        var oldIsFavourite = state.isFavourite;\n        var newIsFavourite = newState.isFavourite;\n\n        if (state.id === null && newState.id === null) {\n            // The conversation isn't yet created so don't change anything.\n            return null;\n        } else if (state.id === null && newState.id !== null) {\n            // The conversation was created so we can show the add favourite button.\n            return 'show-add';\n        } else if (state.id !== null && newState.id === null) {\n            // We're changing from a created conversation to a new conversation so hide\n            // the favouriting functionality for now.\n            return 'hide';\n        } else if (oldIsFavourite == newIsFavourite) {\n            // No change.\n            return null;\n        } else if (!oldIsFavourite && newIsFavourite) {\n            return 'show-remove';\n        } else if (oldIsFavourite && !newIsFavourite) {\n            return 'show-add';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes the conversation muted state.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {string|null}\n     */\n    var buildIsMuted = function(state, newState) {\n        var oldIsMuted = state.isMuted;\n        var newIsMuted = newState.isMuted;\n\n        if (state.id === null && newState.id === null) {\n            // The conversation isn't yet created so don't change anything.\n            return null;\n        } else if (state.id === null && newState.id !== null) {\n            // The conversation was created so we can show the mute button.\n            return 'show-mute';\n        } else if (state.id !== null && newState.id === null) {\n            // We're changing from a created conversation to a new conversation so hide\n            // the muting functionality for now.\n            return 'hide';\n        } else if (oldIsMuted == newIsMuted) {\n            // No change.\n            return null;\n        } else if (!oldIsMuted && newIsMuted) {\n            return 'show-unmute';\n        } else if (oldIsMuted && !newIsMuted) {\n            return 'show-mute';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes in the contact status of the current user\n     * and other user.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsContact = function(state, newState) {\n        var loggedInUserId = state.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldContactRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return (request.userid == loggedInUserId && request.requesteduserid == oldOtherUser.id) ||\n                (request.userid == oldOtherUser.id && request.requesteduserid == loggedInUserId);\n        });\n        var newContactRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return (request.userid == loggedInUserId && request.requesteduserid == newOtherUser.id) ||\n                (request.userid == newOtherUser.id && request.requesteduserid == loggedInUserId);\n        });\n        var oldHasContactRequests = oldContactRequests.length > 0;\n        var newHasContactRequests = newContactRequests.length > 0;\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldHasContactRequests && newHasContactRequests) {\n            return null;\n        } else if (!oldHasContactRequests && newHasContactRequests && !newOtherUser.iscontact) {\n            return 'pending-contact';\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.iscontact ? 'contact' : null;\n        } else if (!newOtherUser && oldOtherUser) {\n            return oldOtherUser.iscontact ? 'non-contact' : null;\n        } else if (oldOtherUser.iscontact && !newOtherUser.iscontact) {\n            return newHasContactRequests ? 'pending-contact' : 'non-contact';\n        } else if (!oldOtherUser.iscontact && newOtherUser.iscontact) {\n            return 'contact';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if a confirm action is active.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingConfirmationAction = function(state, newState) {\n        if (!state.loadingConfirmAction && newState.loadingConfirmAction) {\n            return true;\n        } else if (state.loadingConfirmAction && !newState.loadingConfirmAction) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if a edit mode is active.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildInEditMode = function(state, newState) {\n        var oldHasSelectedMessages = state.selectedMessageIds.length > 0;\n        var newHasSelectedMessages = newState.selectedMessageIds.length > 0;\n        var numberOfMessagesHasChanged = state.messages.length != newState.messages.length;\n\n        if (!oldHasSelectedMessages && newHasSelectedMessages) {\n            return true;\n        } else if (oldHasSelectedMessages && !newHasSelectedMessages) {\n            return false;\n        } else if (oldHasSelectedMessages && numberOfMessagesHasChanged) {\n            return true;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build a patch for the messages selected.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildSelectedMessages = function(state, newState) {\n        var oldSelectedMessages = state.selectedMessageIds;\n        var newSelectedMessages = newState.selectedMessageIds;\n\n        if (isArrayEqual(oldSelectedMessages, newSelectedMessages)) {\n            return null;\n        }\n\n        var diff = diffArrays(oldSelectedMessages, newSelectedMessages, function(a, b) {\n            return a == b;\n        });\n\n        return {\n            count: newSelectedMessages.length,\n            add: diff.missingFromA,\n            remove: diff.missingFromB\n        };\n    };\n\n    /**\n     * Get a list of users from the state that are not the logged in user. Use to find group\n     * message members or the other user in a conversation.\n     *\n     * @param  {Object} state State\n     * @return {Array} List of users.\n     */\n    var getOtherUserFromState = function(state) {\n        return Object.keys(state.members).reduce(function(carry, userId) {\n            if (userId != state.loggedInUserId && !carry) {\n                carry = state.members[userId];\n            }\n\n            return carry;\n        }, null);\n    };\n\n    /**\n     * Check if the given user requires a contact request from the logged in user.\n     *\n     * @param  {Integer} loggedInUserId The logged in user id\n     * @param  {Object} user User record\n     * @return {Bool}\n     */\n    var requiresContactRequest = function(loggedInUserId, user) {\n        // If a user can message then no contact request is required.\n        if (user.canmessage) {\n            return false;\n        }\n\n        var contactRequests = user.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId || request.requesteduserid;\n        });\n        var hasSentContactRequest = contactRequests.length > 0;\n        return user.requirescontact && !user.iscontact && !hasSentContactRequest;\n    };\n\n    /**\n     * Check if other users are required to be added as contact.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} Object controlling the required to add contact dialog variables.\n     */\n    var buildRequireAddContact = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var hadMessages = state.messages.length > 0;\n        var hasMessages = newState.messages.length > 0;\n        var loggedInUserId = newState.loggedInUserId;\n        var prevRequiresContactRequest = oldOtherUser && requiresContactRequest(loggedInUserId, oldOtherUser);\n        var nextRequiresContactRequest = newOtherUser && requiresContactRequest(loggedInUserId, newOtherUser);\n        var confirmAddContact = buildConfirmAddContact(state, newState);\n        var finishedAddContact = confirmAddContact === false;\n\n        // Still doing first load.\n        if (!state.hasTriedToLoadMessages && !newState.hasTriedToLoadMessages) {\n            return null;\n        }\n\n        // No users yet.\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        }\n\n        // We've loaded a new user and they require a contact request.\n        if (!oldOtherUser && nextRequiresContactRequest) {\n            return {\n                show: true,\n                hasMessages: hasMessages,\n                user: newOtherUser\n            };\n        }\n\n        // The logged in user has completed the confirm contact request dialogue\n        // but the other user still requires a contact request which means the logged\n        // in user either declined the confirmation or it failed.\n        if (finishedAddContact && nextRequiresContactRequest) {\n            return {\n                show: true,\n                hasMessages: hasMessages,\n                user: newOtherUser\n            };\n        }\n\n        // Everything is loaded.\n        if (state.hasTriedToLoadMessages && newState.hasTriedToLoadMessages) {\n            if (!prevRequiresContactRequest && nextRequiresContactRequest) {\n                return {\n                    show: true,\n                    hasMessages: hasMessages,\n                    user: newOtherUser\n                };\n            }\n\n            if (prevRequiresContactRequest && !nextRequiresContactRequest) {\n                return {\n                    show: false,\n                    hasMessages: hasMessages\n                };\n            }\n        }\n\n        // First load just completed.\n        if (!state.hasTriedToLoadMessages && newState.hasTriedToLoadMessages) {\n            if (nextRequiresContactRequest) {\n                return {\n                    show: true,\n                    hasMessages: hasMessages,\n                    user: newOtherUser\n                };\n            }\n        }\n\n        // Being reset.\n        if (state.hasTriedToLoadMessages && !newState.hasTriedToLoadMessages) {\n            if (prevRequiresContactRequest) {\n                return {\n                    show: false,\n                    hasMessages: hadMessages\n                };\n            }\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if other users are required to be unblocked.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildRequireUnblock = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldOtherUser && !newOtherUser) {\n            return oldOtherUser.isblocked ? false : null;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.isblocked ? true : null;\n        } else if (!oldOtherUser.isblocked && newOtherUser.isblocked) {\n            return true;\n        } else if (oldOtherUser.isblocked && !newOtherUser.isblocked) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if other users can be messaged.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildUnableToMessage = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (newState.type == Constants.CONVERSATION_TYPES.SELF) {\n            // Users always can send message themselves on self-conversations.\n            return null;\n        }\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldOtherUser && !newOtherUser) {\n            return oldOtherUser.canmessage ? null : true;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.canmessage ? null : true;\n        } else if (!oldOtherUser.canmessage && newOtherUser.canmessage) {\n            return false;\n        } else if (oldOtherUser.canmessage && !newOtherUser.canmessage) {\n            return true;\n        }\n\n        return null;\n    };\n\n    /**\n     * Build patch for footer information for a private conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} containing footer state type.\n     */\n    var buildFooterPatchTypePrivate = function(state, newState) {\n        var loadingFirstMessages = buildLoadingFirstMessages(state, newState);\n        var inEditMode = buildInEditMode(state, newState);\n        var requireAddContact = buildRequireAddContact(state, newState);\n        var requireUnblock = buildRequireUnblock(state, newState);\n        var unableToMessage = buildUnableToMessage(state, newState);\n        var showRequireAddContact = requireAddContact !== null ? requireAddContact.show && requireAddContact.hasMessages : null;\n        var otherUser = getOtherUserFromState(newState);\n        var generateReturnValue = function(checkValue, successReturn) {\n            if (checkValue) {\n                return successReturn;\n            } else if (checkValue !== null && !checkValue) {\n                if (!otherUser) {\n                    return {type: 'content'};\n                } else if (otherUser.isblocked) {\n                    return {type: 'unblock'};\n                } else if (newState.messages.length && requiresContactRequest(newState.loggedInUserId, otherUser)) {\n                    return {\n                        type: 'add-contact',\n                        user: otherUser\n                    };\n                } else if (!otherUser.canmessage && (otherUser.requirescontact && !otherUser.iscontact)) {\n                    return {type: 'unable-to-message'};\n                }\n            }\n\n            return null;\n        };\n\n        if (\n            loadingFirstMessages === null &&\n            inEditMode === null &&\n            requireAddContact === null &&\n            requireUnblock === null\n        ) {\n            return null;\n        }\n\n        var checks = [\n            [loadingFirstMessages, {type: 'placeholder'}],\n            [inEditMode, {type: 'edit-mode'}],\n            [unableToMessage, {type: 'unable-to-message'}],\n            [requireUnblock, {type: 'unblock'}],\n            [showRequireAddContact, {type: 'add-contact', user: otherUser}]\n        ];\n\n        for (var i = 0; i < checks.length; i++) {\n            var checkValue = checks[i][0];\n            var successReturn = checks[i][1];\n            var result = generateReturnValue(checkValue, successReturn);\n\n            if (result !== null) {\n                return result;\n            }\n        }\n\n        return {\n            type: 'content'\n        };\n    };\n\n    /**\n     * Build patch for footer information for a public conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} containing footer state type.\n     */\n    var buildFooterPatchTypePublic = function(state, newState) {\n        var loadingFirstMessages = buildLoadingFirstMessages(state, newState);\n        var inEditMode = buildInEditMode(state, newState);\n\n        if (loadingFirstMessages === null && inEditMode === null) {\n            return null;\n        }\n\n        if (loadingFirstMessages) {\n            return {type: 'placeholder'};\n        }\n\n        if (inEditMode) {\n            return {type: 'edit-mode'};\n        }\n\n        return {\n            type: 'content'\n        };\n    };\n\n    /**\n     * Check if we're viewing a different conversation. If so then we need to\n     * reset the UI.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {bool|null} If a reset needs to occur\n     */\n    var buildReset = function(state, newState) {\n        var oldType = state.type;\n        var newType = newState.type;\n        var oldConversationId = state.id;\n        var newConversationId = newState.id;\n        var oldMemberIds = Object.keys(state.members);\n        var newMemberIds = Object.keys(newState.members);\n\n        oldMemberIds.sort();\n        newMemberIds.sort();\n\n        var membersUnchanged = oldMemberIds.every(function(id, index) {\n            return id == newMemberIds[index];\n        });\n\n        if (oldType != newType) {\n            // If we've changed conversation type then we need to reset.\n            return true;\n        } else if (oldConversationId && !newConversationId) {\n            // We previously had a conversation id but no longer do. This likely means\n            // the user is viewing the conversation with someone they've never spoken to\n            // before.\n            return true;\n        } else if (oldConversationId && newConversationId && oldConversationId != newConversationId) {\n            // If we had a conversation id and it's changed then we need to reset.\n            return true;\n        } else if (!oldConversationId && !newConversationId && !membersUnchanged) {\n            // If we never had a conversation id but the members of the conversation have\n            // changed then we need to reset. This can happen if the user goes from viewing\n            // a user they've never had a conversation with to viewing a different user that\n            // they've never had a conversation with.\n            return true;\n        }\n\n        return null;\n    };\n\n    /**\n     * We should show this message always, for all the self-conversations.\n     *\n     * The message should be hidden when it's not a self-conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {bool}\n     */\n    var buildSelfConversationMessage = function(state, newState) {\n        if (state.type != newState.type) {\n            return (newState.type == Constants.CONVERSATION_TYPES.SELF);\n        }\n\n        return null;\n    };\n\n    /**\n     * We should show the contact request sent message if the user just sent\n     * a contact request to the other user and there are no messages in the\n     * conversation.\n     *\n     * The messages should be hidden when there are messages in the conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {string|false|null}\n     */\n    var buildContactRequestSent = function(state, newState) {\n        var loggedInUserId = newState.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldSentRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId;\n        });\n        var newSentRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId;\n        });\n        var oldRequest = oldSentRequests.length > 0;\n        var newRequest = newSentRequests.length > 0;\n        var hadMessages = state.messages.length > 0;\n        var hasMessages = state.messages.length > 0;\n\n        if (!oldRequest && newRequest && !newOtherUser.iscontact && !hasMessages) {\n            return newOtherUser.fullname;\n        } else if (oldOtherUser && !oldOtherUser.iscontact && newRequest && newOtherUser.iscontact) {\n            // Contact request accepted.\n            return false;\n        } else if (oldRequest && !newRequest) {\n            return false;\n        } else if (!hadMessages && hasMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build the full patch comparing the current state and the new state. This patch is used by\n     * the conversation renderer to render the UI on any update.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} Patch containing all information changed.\n     */\n    var buildPatch = function(state, newState) {\n        var config = {\n            all: {\n                reset: buildReset,\n                conversation: buildConversationPatch,\n                scrollToMessage: buildScrollToMessagePatch,\n                loadingMembers: buildLoadingMembersPatch,\n                loadingFirstMessages: buildLoadingFirstMessages,\n                loadingMessages: buildLoadingMessages,\n                confirmDeleteSelectedMessages: buildConfirmDeleteSelectedMessages,\n                inEditMode: buildInEditMode,\n                selectedMessages: buildSelectedMessages,\n                isFavourite: buildIsFavourite,\n                isMuted: buildIsMuted,\n                showEmojiPicker: buildShowEmojiPicker,\n                showEmojiAutoComplete: buildShowEmojiAutoComplete\n            }\n        };\n        // These build functions are only applicable to private conversations.\n        config[Constants.CONVERSATION_TYPES.PRIVATE] = {\n            header: buildHeaderPatchTypePrivate,\n            footer: buildFooterPatchTypePrivate,\n            confirmBlockUser: buildConfirmBlockUser,\n            confirmUnblockUser: buildConfirmUnblockUser,\n            confirmAddContact: buildConfirmAddContact,\n            confirmRemoveContact: buildConfirmRemoveContact,\n            confirmContactRequest: buildConfirmContactRequest,\n            confirmDeleteConversation: buildConfirmDeleteConversation,\n            isBlocked: buildIsBlocked,\n            isContact: buildIsContact,\n            loadingConfirmAction: buildLoadingConfirmationAction,\n            requireAddContact: buildRequireAddContact,\n            contactRequestSent: buildContactRequestSent\n        };\n        // These build functions are only applicable to public (group) conversations.\n        config[Constants.CONVERSATION_TYPES.PUBLIC] = {\n            header: buildHeaderPatchTypePublic,\n            footer: buildFooterPatchTypePublic,\n        };\n        // These build functions are only applicable to self-conversations.\n        config[Constants.CONVERSATION_TYPES.SELF] = {\n            header: buildHeaderPatchTypeSelf,\n            footer: buildFooterPatchTypePublic,\n            confirmDeleteConversation: buildConfirmDeleteConversation,\n            selfConversationMessage: buildSelfConversationMessage\n        };\n\n        var patchConfig = $.extend({}, config.all);\n        if (newState.type && newState.type in config) {\n            // Add the type specific builders to the patch config.\n            patchConfig = $.extend(patchConfig, config[newState.type]);\n        }\n\n        return Object.keys(patchConfig).reduce(function(patch, key) {\n            var buildFunc = patchConfig[key];\n            var value = buildFunc(state, newState);\n\n            if (value !== null) {\n                patch[key] = value;\n            }\n\n            return patch;\n        }, {});\n    };\n\n    return {\n        buildPatch: buildPatch\n    };\n});\n"],"file":"message_drawer_view_conversation_patcher.min.js"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_overview_section.min.js b/message/amd/build/message_drawer_view_overview_section.min.js
index a29c36da018..1f2e82eff30 100644
--- a/message/amd/build/message_drawer_view_overview_section.min.js
+++ b/message/amd/build/message_drawer_view_overview_section.min.js
@@ -1,2 +1,2 @@
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o={TOGGLE:"[data-region=\"toggle\"]",CONVERSATION:"[data-conversation-id]",BLOCKED_ICON_CONTAINER:"[data-region=\"contact-icon-blocked\"]",LAST_MESSAGE:"[data-region=\"last-message\"]",LAST_MESSAGE_DATE:"[data-region=\"last-message-date\"]",MUTED_ICON_CONTAINER:"[data-region=\"muted-icon-container\"]",UNREAD_COUNT:"[data-region=\"unread-count\"]",SECTION_TOTAL_COUNT:"[data-region=\"section-total-count\"]",SECTION_TOTAL_COUNT_CONTAINER:"[data-region=\"section-total-count-container\"]",SECTION_UNREAD_COUNT:"[data-region=\"section-unread-count\"]",PLACEHOLDER_CONTAINER:"[data-region=\"placeholder-container\"]"},p={CONVERSATIONS_LIST:"core_message/message_drawer_conversations_list",CONVERSATIONS_LIST_ITEMS_PLACEHOLDER:"core_message/message_drawer_conversations_list_items_placeholder"},q=50,r={},s={},t=!1,u=!1,v=function(a){return m.getRoot(a).hasClass("show")},w=function(a){a.addClass("expanded")},x=function(a){a.removeClass("expanded")},y=function(a,b){var c=a.find(o.SECTION_TOTAL_COUNT_CONTAINER),d=c.find(o.SECTION_TOTAL_COUNT);d.text(b);c.removeClass("hidden");e.get_string("totalconversations","core_message",b).done(function(a){c.attr("aria-label",a)});var f=20<b?20:b,h=Array.apply(null,Array(f)).map(function(){return!0});g.render(p.CONVERSATIONS_LIST_ITEMS_PLACEHOLDER,{placeholders:h}).then(function(b){var c=a.find(o.PLACEHOLDER_CONTAINER);c.html(b)}).catch(function(){})},z=function(a,b){var c=a.find(o.SECTION_UNREAD_COUNT);c.text(b);e.get_string("unreadconversations","core_message",b).done(function(a){c.attr("aria-label",a)});if(0<b){c.removeClass("hidden")}},A=function(b){var c=function(b){return Object.keys(b).reduce(function(d,e){if(a.isArray(b[e])){d[e.toLowerCase()]=b[e].map(c)}else{d[e.toLowerCase()]=b[e]}return d},{})},d=c(b);d.messages=d.messages.map(function(a){a.useridfrom=a.userfrom.id;return a});return d},B=function(b,d){var h=new f,i=function(){var b=_asyncToGenerator(regeneratorRuntime.mark(function b(d){var f,h,i,j,k,l,m;return regeneratorRuntime.wrap(function(b){while(1){switch(b.prev=b.next){case 0:if(d){b.next=2;break}return b.abrupt("return",null);case 2:f=document.createElement("element");f.innerHTML=d.text.replace(/<img /g,"<noimg ");h=f.querySelector("[src]")||!1;if(h){b.next=10;break}i=a(d.text).text();if(!i){b.next=10;break}if(!(-1==i.indexOf("<"))){b.next=10;break}return b.abrupt("return",i);case 10:j="i/messagecontentmultimediageneral";k="messagecontentmultimediageneral";if(d.text.includes("<img")){j="i/messagecontentimage";k="messagecontentimage"}else if(d.text.includes("<video")){j="i/messagecontentvideo";k="messagecontentvideo"}else if(d.text.includes("<audio")){j="i/messagecontentaudio";k="messagecontentaudio"}b.prev=13;b.next=16;return e.get_string(k,"core_message");case 16:l=b.sent;b.next=19;return g.renderPix(j,"core",l);case 19:m=b.sent;return b.abrupt("return",m+" "+l);case 23:b.prev=23;b.t0=b["catch"](13);c.exception(b.t0);return b.abrupt("return",null);case 27:case"end":return b.stop();}}},b,null,[[13,23]])}));return function(){return b.apply(this,arguments)}}(),j=b.map(function(a){var b=a.messages.length?a.messages[a.messages.length-1]:null;return i(b).then(function(c){var e={id:a.id,imageurl:a.imageurl,name:a.name,subname:a.subname,unreadcount:a.unreadcount,ismuted:a.ismuted,lastmessagedate:b?b.timecreated:null,sentfromcurrentuser:b?b.useridfrom==d:null,lastmessage:c},f=null;if(a.type==n.CONVERSATION_TYPES.SELF){f=a.members[0]}else if(a.type==n.CONVERSATION_TYPES.PRIVATE){f=a.members.reduce(function(a,b){if(!a&&b.id!=d){a=b}return a},null)}if(null!==f){e.userid=f.id;e.showonlinestatus=f.showonlinestatus;e.isonline=f.isonline;e.isblocked=f.isblocked}if(a.type==n.CONVERSATION_TYPES.PUBLIC){e.lastsendername=a.members.reduce(function(a,c){if(!a&&b&&c.id==b.useridfrom){a=c.fullname}return a},null)}return e}).catch(c.exception)});return Promise.all(j).then(function(a){a.forEach(function(a){if(new Date().toDateString()==new 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diff --git a/message/amd/build/message_drawer_view_search.min.js b/message/amd/build/message_drawer_view_search.min.js
index 729af137bf5..dc2cf825c6a 100644
--- a/message/amd/build/message_drawer_view_search.min.js
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diff --git a/message/amd/build/message_drawer_view_search.min.js.map b/message/amd/build/message_drawer_view_search.min.js.map
index 6cb97636320..95d1ce91693 100644
--- a/message/amd/build/message_drawer_view_search.min.js.map
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the search page of the message drawer.\n *\n * @module     core_message/message_drawer_view_search\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pubsub',\n    'core/str',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n],\nfunction(\n    $,\n    CustomEvents,\n    Notification,\n    PubSub,\n    Str,\n    Templates,\n    Repository,\n    Events\n) {\n\n    var MESSAGE_SEARCH_LIMIT = 50;\n    var USERS_SEARCH_LIMIT = 50;\n    var USERS_INITIAL_SEARCH_LIMIT = 3;\n\n    var SELECTORS = {\n        BLOCK_ICON_CONTAINER: '[data-region=\"block-icon-container\"]',\n        CANCEL_SEARCH_BUTTON: '[data-action=\"cancel-search\"]',\n        CONTACTS_CONTAINER: '[data-region=\"contacts-container\"]',\n        CONTACTS_LIST: '[data-region=\"contacts-container\"] [data-region=\"list\"]',\n        EMPTY_MESSAGE_CONTAINER: '[data-region=\"empty-message-container\"]',\n        LIST: '[data-region=\"list\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n        LOADING_PLACEHOLDER: '[data-region=\"loading-placeholder\"]',\n        MESSAGES_LIST: '[data-region=\"messages-container\"] [data-region=\"list\"]',\n        MESSAGES_CONTAINER: '[data-region=\"messages-container\"]',\n        NON_CONTACTS_CONTAINER: '[data-region=\"non-contacts-container\"]',\n        NON_CONTACTS_LIST: '[data-region=\"non-contacts-container\"] [data-region=\"list\"]',\n        SEARCH_ICON_CONTAINER: '[data-region=\"search-icon-container\"]',\n        SEARCH_ACTION: '[data-action=\"search\"]',\n        SEARCH_INPUT: '[data-region=\"search-input\"]',\n        SEARCH_RESULTS_CONTAINER: '[data-region=\"search-results-container\"]',\n        LOAD_MORE_USERS: '[data-action=\"load-more-users\"]',\n        LOAD_MORE_MESSAGES: '[data-action=\"load-more-messages\"]',\n        BUTTON_TEXT: '[data-region=\"button-text\"]',\n        NO_RESULTS_CONTAINTER: '[data-region=\"no-results-container\"]',\n        ALL_CONTACTS_CONTAINER: '[data-region=\"all-contacts-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONTACTS_LIST: 'core_message/message_drawer_contacts_list',\n        NON_CONTACTS_LIST: 'core_message/message_drawer_non_contacts_list',\n        MESSAGES_LIST: 'core_message/message_drawer_messages_list'\n    };\n\n    /**\n     * Get the logged in user id.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Number} User id.\n     */\n    var getLoggedInUserId = function(body) {\n        return body.attr('data-user-id');\n    };\n\n    /**\n     * Show the no messages container element.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} No messages container element.\n     */\n    var getEmptyMessageContainer = function(body) {\n        return body.find(SELECTORS.EMPTY_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Get the search loading icon.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Loading icon element.\n     */\n    var getLoadingIconContainer = function(header) {\n        return header.find(SELECTORS.LOADING_ICON_CONTAINER);\n    };\n\n    /**\n     * Get the loading container element.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Loading container element.\n     */\n    var getLoadingPlaceholder = function(body) {\n        return body.find(SELECTORS.LOADING_PLACEHOLDER);\n    };\n\n    /**\n     * Get the search icon container.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Search icon container.\n     */\n    var getSearchIconContainer = function(header) {\n        return header.find(SELECTORS.SEARCH_ICON_CONTAINER);\n    };\n\n    /**\n     * Get the search input container.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Search input container.\n     */\n    var getSearchInput = function(header) {\n        return header.find(SELECTORS.SEARCH_INPUT);\n    };\n\n    /**\n     * Get the search results container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search results container.\n     */\n    var getSearchResultsContainer = function(body) {\n        return body.find(SELECTORS.SEARCH_RESULTS_CONTAINER);\n    };\n\n    /**\n     * Get the search contacts container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search contacts container.\n     */\n    var getContactsContainer = function(body) {\n        return body.find(SELECTORS.CONTACTS_CONTAINER);\n    };\n\n    /**\n     * Get the search non contacts container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search non contacts container.\n     */\n    var getNonContactsContainer = function(body) {\n        return body.find(SELECTORS.NON_CONTACTS_CONTAINER);\n    };\n\n    /**\n     * Get the search messages container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search messages container.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.MESSAGES_CONTAINER);\n    };\n\n\n    /**\n     * Show the messages empty container.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showEmptyMessage = function(body) {\n        getEmptyMessageContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages empty container.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideEmptyMessage = function(body) {\n        getEmptyMessageContainer(body).addClass('hidden');\n    };\n\n\n    /**\n     * Show the loading icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var showLoadingIcon = function(header) {\n        getLoadingIconContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var hideLoadingIcon = function(header) {\n        getLoadingIconContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Show loading placeholder.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showLoadingPlaceholder = function(body) {\n        getLoadingPlaceholder(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide loading placeholder.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideLoadingPlaceholder = function(body) {\n        getLoadingPlaceholder(body).addClass('hidden');\n    };\n\n    /**\n     * Show search icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var showSearchIcon = function(header) {\n        getSearchIconContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide search icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var hideSearchIcon = function(header) {\n        getSearchIconContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Show search results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showSearchResults = function(body) {\n        getSearchResultsContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide search results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideSearchResults = function(body) {\n        getSearchResultsContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Show the no search results message.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showNoSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).addClass('hidden');\n        container.find(SELECTORS.MESSAGES_CONTAINER).addClass('hidden');\n        container.find(SELECTORS.NO_RESULTS_CONTAINTER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the no search results message.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideNoSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).removeClass('hidden');\n        container.find(SELECTORS.MESSAGES_CONTAINER).removeClass('hidden');\n        container.find(SELECTORS.NO_RESULTS_CONTAINTER).addClass('hidden');\n    };\n\n    /**\n     * Show the whole contacts results area.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showAllContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the whole contacts results area.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideAllContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the non contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showNonContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.NON_CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the non contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideNonContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.NON_CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the messages results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showMessagesSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.MESSAGES_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideMessagesSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.MESSAGES_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Disable the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var disableSearchInput = function(header) {\n        getSearchInput(header).prop('disabled', true);\n    };\n\n    /**\n     * Enable the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var enableSearchInput = function(header) {\n        getSearchInput(header).prop('disabled', false);\n    };\n\n    /**\n     * Clear the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var clearSearchInput = function(header) {\n        getSearchInput(header).val('');\n    };\n\n    /**\n     * Clear all search results\n     *\n     * @param {Object} body Search body container element.\n     */\n    var clearAllSearchResults = function(body) {\n        body.find(SELECTORS.CONTACTS_LIST).empty();\n        body.find(SELECTORS.NON_CONTACTS_LIST).empty();\n        body.find(SELECTORS.MESSAGES_LIST).empty();\n        hideNoSearchResults(body);\n        showAllContactsSearchResults(body);\n        showContactsSearchResults(body);\n        showNonContactsSearchResults(body);\n        showMessagesSearchResults(body);\n        showLoadMoreUsersButton(body);\n        showLoadMoreMessagesButton(body);\n    };\n\n    /**\n     * Update the body and header to indicate the search is loading.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var startLoading = function(header, body) {\n        hideSearchIcon(header);\n        hideEmptyMessage(body);\n        hideSearchResults(body);\n        showLoadingIcon(header);\n        showLoadingPlaceholder(body);\n        disableSearchInput(header);\n    };\n\n    /**\n     * Update the body and header to indicate the search has stopped loading.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var stopLoading = function(header, body) {\n        showSearchIcon(header);\n        hideEmptyMessage(body);\n        showSearchResults(body);\n        hideLoadingIcon(header);\n        hideLoadingPlaceholder(body);\n        enableSearchInput(header);\n    };\n\n    /**\n     * Show the more users loading icon.\n     *\n     * @param {Object} root The more users container element.\n     */\n    var showUsersLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_USERS);\n        button.prop('disabled', true);\n        button.find(SELECTORS.BUTTON_TEXT).addClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the more users loading icon.\n     *\n     * @param {Object} root The more users container element.\n     */\n    var hideUsersLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_USERS);\n        button.prop('disabled', false);\n        button.find(SELECTORS.BUTTON_TEXT).removeClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the load more users button.\n     *\n     * @param {Object} root The users container element.\n     */\n    var showLoadMoreUsersButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_USERS).removeClass('hidden');\n    };\n\n    /**\n     * Hide the load more users button.\n     *\n     * @param {Object} root The users container element.\n     */\n    var hideLoadMoreUsersButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_USERS).addClass('hidden');\n    };\n\n    /**\n     * Show the messages are loading icon.\n     *\n     * @param {Object} root Messages root element.\n     */\n    var showMessagesLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_MESSAGES);\n        button.prop('disabled', true);\n        button.find(SELECTORS.BUTTON_TEXT).addClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages are loading icon.\n     *\n     * @param {Object} root Messages root element.\n     */\n    var hideMessagesLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_MESSAGES);\n        button.prop('disabled', false);\n        button.find(SELECTORS.BUTTON_TEXT).removeClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the load more messages button.\n     *\n     * @param  {Object} root The messages container element.\n     */\n    var showLoadMoreMessagesButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_MESSAGES).removeClass('hidden');\n    };\n\n    /**\n     * Hide the load more messages button.\n     *\n     * @param  {Object} root The messages container element.\n     */\n    var hideLoadMoreMessagesButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_MESSAGES).addClass('hidden');\n    };\n\n    /**\n     * Find a contact in the search results.\n     *\n     * @param  {Object} root Search results container element.\n     * @param  {Number} userId User id.\n     * @return {Object} User container element.\n     */\n    var findContact = function(root, userId) {\n        return root.find('[data-contact-user-id=\"' + userId + '\"]');\n    };\n\n    /**\n     * Add a contact to the search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} contact User in contacts list.\n     */\n    var addContact = function(root, contact) {\n        var nonContactsContainer = getNonContactsContainer(root);\n        var nonContact = findContact(nonContactsContainer, contact.userid);\n\n        if (nonContact.length) {\n            nonContact.remove();\n            var contactsContainer = getContactsContainer(root);\n            contactsContainer.removeClass('hidden');\n            contactsContainer.find(SELECTORS.LIST).append(nonContact);\n        }\n\n        if (!nonContactsContainer.find(SELECTORS.LIST).children().length) {\n            nonContactsContainer.addClass('hidden');\n        }\n    };\n\n    /**\n     * Remove a contact from the contacts results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var removeContact = function(root, userId) {\n        var contactsContainer = getContactsContainer(root);\n        var contact = findContact(contactsContainer, userId);\n\n        if (contact.length) {\n            contact.remove();\n            var nonContactsContainer = getNonContactsContainer(root);\n            nonContactsContainer.removeClass('hidden');\n            nonContactsContainer.find(SELECTORS.LIST).append(contact);\n        }\n\n        if (!contactsContainer.find(SELECTORS.LIST).children().length) {\n            contactsContainer.addClass('hidden');\n        }\n    };\n\n    /**\n     * Show the contact is blocked icon.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var blockContact = function(root, userId) {\n        var contact = findContact(root, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).removeClass('hidden');\n        }\n    };\n\n    /**\n     * Hide the contact is blocked icon.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var unblockContact = function(root, userId) {\n        var contact = findContact(root, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).addClass('hidden');\n        }\n    };\n\n    /**\n     * Highlight words in search results.\n     *\n     * @param  {String} content HTML to search.\n     * @param  {String} searchText Search text.\n     * @return {String} searchText with search wrapped in matchtext span.\n     */\n    var highlightSearch = function(content, searchText) {\n        if (!content) {\n            return '';\n        }\n        var regex = new RegExp('(' + searchText + ')', 'gi');\n        return content.replace(regex, '<span class=\"matchtext\">$1</span>');\n    };\n\n\n    /**\n     * Render contacts in the contacts search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} contacts List of contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var renderContacts = function(root, contacts) {\n        var container = getContactsContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.CONTACTS_LIST, {contacts: contacts, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Render non contacts in the contacts search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} nonContacts List of non contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var renderNonContacts = function(root, nonContacts) {\n        var container = getNonContactsContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.NON_CONTACTS_LIST, {noncontacts: nonContacts, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Render messages in the messages search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} messages List of messages.\n     * @return {Promise} Renderer promise.\n     */\n    var renderMessages = function(root, messages) {\n        var container = getMessagesContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.MESSAGES_LIST, {messages: messages, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Load more users from the repository and render the results into the users search results.\n     *\n     * @param  {Object} root Search results container.\n     * @param  {Number} loggedInUserId Current logged in user.\n     * @param  {String} text Search text.\n     * @param  {Number} limit Number of users to get.\n     * @param  {Number} offset Load users from\n     * @return {Object} jQuery promise\n     */\n    var loadMoreUsers = function(root, loggedInUserId, text, limit, offset) {\n        var loadedAll = false;\n        showUsersLoadingIcon(root);\n\n        return Repository.searchUsers(loggedInUserId, text, limit + 1, offset)\n            .then(function(results) {\n                var contacts = results.contacts;\n                var noncontacts = results.noncontacts;\n\n                if (contacts.length <= limit && noncontacts.length <= limit) {\n                    loadedAll = true;\n                    return {\n                        contacts: contacts,\n                        noncontacts: noncontacts\n                    };\n                } else {\n                    return {\n                        contacts: contacts.slice(0, limit),\n                        noncontacts: noncontacts.slice(0, limit)\n                    };\n                }\n            })\n            .then(function(results) {\n                var contactsCount = results.contacts.length;\n                var nonContactsCount = results.noncontacts.length;\n\n                if (contactsCount) {\n                    results.contacts.forEach(function(contact) {\n                        contact.highlight = highlightSearch(contact.fullname, text);\n                    });\n                }\n\n                if (nonContactsCount) {\n                    results.noncontacts.forEach(function(contact) {\n                        contact.highlight = highlightSearch(contact.fullname, text);\n                    });\n                }\n\n                return $.when(\n                    contactsCount ? renderContacts(root, results.contacts) : true,\n                    nonContactsCount ? renderNonContacts(root, results.noncontacts) : true\n                )\n                .then(function() {\n                    return {\n                        contactsCount: contactsCount,\n                        nonContactsCount: nonContactsCount\n                    };\n                });\n            })\n            .then(function(counts) {\n                hideUsersLoadingIcon(root);\n\n                if (loadedAll) {\n                    hideLoadMoreUsersButton(root);\n                }\n\n                return counts;\n            })\n            .catch(function(error) {\n                hideUsersLoadingIcon(root);\n                // Rethrow error for other handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Load more messages from the repository and render the results into the messages search results.\n     *\n     * @param  {Object} root Search results container.\n     * @param  {Number} loggedInUserId Current logged in user.\n     * @param  {String} text Search text.\n     * @param  {Number} limit Number of messages to get.\n     * @param  {Number} offset Load messages from\n     * @return {Object} jQuery promise\n     */\n    var loadMoreMessages = function(root, loggedInUserId, text, limit, offset) {\n        var loadedAll = false;\n        showMessagesLoadingIcon(root);\n\n        return Repository.searchMessages(loggedInUserId, text, limit + 1, offset)\n            .then(function(results) {\n                var messages = results.contacts;\n\n                if (messages.length <= limit) {\n                    loadedAll = true;\n                    return messages;\n                } else {\n                    return messages.slice(0, limit);\n                }\n            })\n            .then(function(messages) {\n                if (messages.length) {\n                    messages.forEach(function(message) {\n                        message.lastmessage = highlightSearch(message.lastmessage, text);\n                    });\n                    return renderMessages(root, messages)\n                        .then(function() {\n                            return messages.length;\n                        });\n                } else {\n                    return messages.length;\n                }\n            })\n            .then(function(count) {\n                hideMessagesLoadingIcon(root);\n\n                if (loadedAll) {\n                    hideLoadMoreMessagesButton(root);\n                }\n\n                return count;\n            })\n            .catch(function(error) {\n                hideMessagesLoadingIcon(root);\n                // Rethrow error for other handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Search for users and messages.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     * @param {String} searchText Search text.\n     * @param {Number} usersLimit The users limit.\n     * @param {Number} usersOffset The users offset.\n     * @param {Number} messagesLimit The message limit.\n     * @param {Number} messagesOffset The message offset.\n     * @return {Object} jQuery promise\n     */\n    var search = function(header, body, searchText, usersLimit, usersOffset, messagesLimit, messagesOffset) {\n        var loggedInUserId = getLoggedInUserId(body);\n        startLoading(header, body);\n        clearAllSearchResults(body);\n\n        return $.when(\n            loadMoreUsers(body, loggedInUserId, searchText, usersLimit, usersOffset),\n            loadMoreMessages(body, loggedInUserId, searchText, messagesLimit, messagesOffset)\n        )\n        .then(function(userCounts, messagesCount) {\n            var contactsCount = userCounts.contactsCount;\n            var nonContactsCount = userCounts.nonContactsCount;\n\n            stopLoading(header, body);\n\n            if (!contactsCount && !nonContactsCount && !messagesCount) {\n                showNoSearchResults(body);\n            } else {\n                if (!contactsCount && !nonContactsCount) {\n                    hideAllContactsSearchResults(body);\n                } else {\n                    if (!contactsCount) {\n                        hideContactsSearchResults(body);\n                    }\n\n                    if (!nonContactsCount) {\n                        hideNonContactsSearchResults(body);\n                    }\n                }\n\n                if (!messagesCount) {\n                    hideMessagesSearchResults(body);\n                }\n            }\n\n            return;\n        });\n    };\n\n\n    /**\n     * Listen to and handle events for searching.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var registerEventListeners = function(header, body) {\n        var loggedInUserId = getLoggedInUserId(body);\n        var searchInput = getSearchInput(header);\n        var searchText = '';\n        var messagesOffset = 0;\n        var usersOffset = 0;\n\n        var searchEventHandler = function(e, data) {\n            searchText = searchInput.val().trim();\n\n            if (searchText !== '') {\n                messagesOffset = 0;\n                usersOffset = 0;\n                search(\n                    header,\n                    body,\n                    searchText,\n                    USERS_INITIAL_SEARCH_LIMIT,\n                    usersOffset,\n                    MESSAGE_SEARCH_LIMIT,\n                    messagesOffset\n                )\n                .then(function() {\n                    searchInput.focus();\n                    usersOffset = usersOffset + USERS_INITIAL_SEARCH_LIMIT;\n                    messagesOffset = messagesOffset + MESSAGE_SEARCH_LIMIT;\n                    return;\n                })\n                .catch(Notification.exception);\n            }\n\n            data.originalEvent.preventDefault();\n        };\n\n        CustomEvents.define(searchInput, [CustomEvents.events.enter]);\n        CustomEvents.define(header, [CustomEvents.events.activate]);\n        CustomEvents.define(body, [CustomEvents.events.activate]);\n\n        searchInput.on(CustomEvents.events.enter, searchEventHandler);\n\n        header.on(CustomEvents.events.activate, SELECTORS.SEARCH_ACTION, searchEventHandler);\n\n        body.on(CustomEvents.events.activate, SELECTORS.LOAD_MORE_MESSAGES, function(e, data) {\n            if (searchText !== '') {\n                loadMoreMessages(body, loggedInUserId, searchText, MESSAGE_SEARCH_LIMIT, messagesOffset)\n                    .then(function() {\n                        messagesOffset = messagesOffset + MESSAGE_SEARCH_LIMIT;\n                        return;\n                    })\n                    .catch(Notification.exception);\n            }\n            data.originalEvent.preventDefault();\n        });\n\n        body.on(CustomEvents.events.activate, SELECTORS.LOAD_MORE_USERS, function(e, data) {\n            if (searchText !== '') {\n                loadMoreUsers(body, loggedInUserId, searchText, USERS_SEARCH_LIMIT, usersOffset)\n                    .then(function() {\n                        usersOffset = usersOffset + USERS_SEARCH_LIMIT;\n                        return;\n                    })\n                    .catch(Notification.exception);\n            }\n            data.originalEvent.preventDefault();\n        });\n\n        header.on(CustomEvents.events.activate, SELECTORS.CANCEL_SEARCH_BUTTON, function() {\n            clearSearchInput(header);\n            showEmptyMessage(body);\n            showSearchIcon(header);\n            hideSearchResults(body);\n            hideLoadingIcon(header);\n            hideLoadingPlaceholder(body);\n            usersOffset = 0;\n            messagesOffset = 0;\n        });\n\n        PubSub.subscribe(Events.CONTACT_ADDED, function(userId) {\n            addContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_REMOVED, function(userId) {\n            removeContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_BLOCKED, function(userId) {\n            blockContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_UNBLOCKED, function(userId) {\n            unblockContact(body, userId);\n        });\n    };\n\n    /**\n     * Setup the search page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @param {Object} body Contacts body container element.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body) {\n        if (!body.attr('data-init')) {\n            registerEventListeners(header, body);\n            body.attr('data-init', true);\n        }\n        var searchInput = getSearchInput(header);\n        searchInput.focus();\n\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @return {Object} jQuery promise\n     */\n    var description = function(namespace, header) {\n        if (typeof header !== 'object') {\n            return Str.get_string('messagedrawerviewsearch', 'core_message');\n        }\n        var searchInput = getSearchInput(header);\n        var searchText = searchInput.val().trim();\n        return Str.get_string('messagedrawerviewsearch', 'core_message', searchText);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_search.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the search page of the message drawer.\n *\n * @module     core_message/message_drawer_view_search\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pubsub',\n    'core/str',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n],\nfunction(\n    $,\n    CustomEvents,\n    Notification,\n    PubSub,\n    Str,\n    Templates,\n    Repository,\n    Events\n) {\n\n    var MESSAGE_SEARCH_LIMIT = 50;\n    var USERS_SEARCH_LIMIT = 50;\n    var USERS_INITIAL_SEARCH_LIMIT = 3;\n\n    var SELECTORS = {\n        BLOCK_ICON_CONTAINER: '[data-region=\"block-icon-container\"]',\n        CANCEL_SEARCH_BUTTON: '[data-action=\"cancel-search\"]',\n        CONTACTS_CONTAINER: '[data-region=\"contacts-container\"]',\n        CONTACTS_LIST: '[data-region=\"contacts-container\"] [data-region=\"list\"]',\n        EMPTY_MESSAGE_CONTAINER: '[data-region=\"empty-message-container\"]',\n        LIST: '[data-region=\"list\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n        LOADING_PLACEHOLDER: '[data-region=\"loading-placeholder\"]',\n        MESSAGES_LIST: '[data-region=\"messages-container\"] [data-region=\"list\"]',\n        MESSAGES_CONTAINER: '[data-region=\"messages-container\"]',\n        NON_CONTACTS_CONTAINER: '[data-region=\"non-contacts-container\"]',\n        NON_CONTACTS_LIST: '[data-region=\"non-contacts-container\"] [data-region=\"list\"]',\n        SEARCH_ICON_CONTAINER: '[data-region=\"search-icon-container\"]',\n        SEARCH_ACTION: '[data-action=\"search\"]',\n        SEARCH_INPUT: '[data-region=\"search-input\"]',\n        SEARCH_RESULTS_CONTAINER: '[data-region=\"search-results-container\"]',\n        LOAD_MORE_USERS: '[data-action=\"load-more-users\"]',\n        LOAD_MORE_MESSAGES: '[data-action=\"load-more-messages\"]',\n        BUTTON_TEXT: '[data-region=\"button-text\"]',\n        NO_RESULTS_CONTAINTER: '[data-region=\"no-results-container\"]',\n        ALL_CONTACTS_CONTAINER: '[data-region=\"all-contacts-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONTACTS_LIST: 'core_message/message_drawer_contacts_list',\n        NON_CONTACTS_LIST: 'core_message/message_drawer_non_contacts_list',\n        MESSAGES_LIST: 'core_message/message_drawer_messages_list'\n    };\n\n    /**\n     * Get the logged in user id.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Number} User id.\n     */\n    var getLoggedInUserId = function(body) {\n        return body.attr('data-user-id');\n    };\n\n    /**\n     * Show the no messages container element.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} No messages container element.\n     */\n    var getEmptyMessageContainer = function(body) {\n        return body.find(SELECTORS.EMPTY_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Get the search loading icon.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Loading icon element.\n     */\n    var getLoadingIconContainer = function(header) {\n        return header.find(SELECTORS.LOADING_ICON_CONTAINER);\n    };\n\n    /**\n     * Get the loading container element.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Loading container element.\n     */\n    var getLoadingPlaceholder = function(body) {\n        return body.find(SELECTORS.LOADING_PLACEHOLDER);\n    };\n\n    /**\n     * Get the search icon container.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Search icon container.\n     */\n    var getSearchIconContainer = function(header) {\n        return header.find(SELECTORS.SEARCH_ICON_CONTAINER);\n    };\n\n    /**\n     * Get the search input container.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Search input container.\n     */\n    var getSearchInput = function(header) {\n        return header.find(SELECTORS.SEARCH_INPUT);\n    };\n\n    /**\n     * Get the search results container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search results container.\n     */\n    var getSearchResultsContainer = function(body) {\n        return body.find(SELECTORS.SEARCH_RESULTS_CONTAINER);\n    };\n\n    /**\n     * Get the search contacts container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search contacts container.\n     */\n    var getContactsContainer = function(body) {\n        return body.find(SELECTORS.CONTACTS_CONTAINER);\n    };\n\n    /**\n     * Get the search non contacts container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search non contacts container.\n     */\n    var getNonContactsContainer = function(body) {\n        return body.find(SELECTORS.NON_CONTACTS_CONTAINER);\n    };\n\n    /**\n     * Get the search messages container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search messages container.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.MESSAGES_CONTAINER);\n    };\n\n\n    /**\n     * Show the messages empty container.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showEmptyMessage = function(body) {\n        getEmptyMessageContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages empty container.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideEmptyMessage = function(body) {\n        getEmptyMessageContainer(body).addClass('hidden');\n    };\n\n\n    /**\n     * Show the loading icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var showLoadingIcon = function(header) {\n        getLoadingIconContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var hideLoadingIcon = function(header) {\n        getLoadingIconContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Show loading placeholder.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showLoadingPlaceholder = function(body) {\n        getLoadingPlaceholder(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide loading placeholder.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideLoadingPlaceholder = function(body) {\n        getLoadingPlaceholder(body).addClass('hidden');\n    };\n\n    /**\n     * Show search icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var showSearchIcon = function(header) {\n        getSearchIconContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide search icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var hideSearchIcon = function(header) {\n        getSearchIconContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Show search results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showSearchResults = function(body) {\n        getSearchResultsContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide search results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideSearchResults = function(body) {\n        getSearchResultsContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Show the no search results message.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showNoSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).addClass('hidden');\n        container.find(SELECTORS.MESSAGES_CONTAINER).addClass('hidden');\n        container.find(SELECTORS.NO_RESULTS_CONTAINTER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the no search results message.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideNoSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).removeClass('hidden');\n        container.find(SELECTORS.MESSAGES_CONTAINER).removeClass('hidden');\n        container.find(SELECTORS.NO_RESULTS_CONTAINTER).addClass('hidden');\n    };\n\n    /**\n     * Show the whole contacts results area.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showAllContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the whole contacts results area.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideAllContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the non contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showNonContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.NON_CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the non contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideNonContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.NON_CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the messages results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showMessagesSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.MESSAGES_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideMessagesSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.MESSAGES_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Disable the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var disableSearchInput = function(header) {\n        getSearchInput(header).prop('disabled', true);\n    };\n\n    /**\n     * Enable the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var enableSearchInput = function(header) {\n        getSearchInput(header).prop('disabled', false);\n    };\n\n    /**\n     * Clear the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var clearSearchInput = function(header) {\n        getSearchInput(header).val('');\n    };\n\n    /**\n     * Clear all search results\n     *\n     * @param {Object} body Search body container element.\n     */\n    var clearAllSearchResults = function(body) {\n        body.find(SELECTORS.CONTACTS_LIST).empty();\n        body.find(SELECTORS.NON_CONTACTS_LIST).empty();\n        body.find(SELECTORS.MESSAGES_LIST).empty();\n        hideNoSearchResults(body);\n        showAllContactsSearchResults(body);\n        showContactsSearchResults(body);\n        showNonContactsSearchResults(body);\n        showMessagesSearchResults(body);\n        showLoadMoreUsersButton(body);\n        showLoadMoreMessagesButton(body);\n    };\n\n    /**\n     * Update the body and header to indicate the search is loading.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var startLoading = function(header, body) {\n        hideSearchIcon(header);\n        hideEmptyMessage(body);\n        hideSearchResults(body);\n        showLoadingIcon(header);\n        showLoadingPlaceholder(body);\n        disableSearchInput(header);\n    };\n\n    /**\n     * Update the body and header to indicate the search has stopped loading.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var stopLoading = function(header, body) {\n        showSearchIcon(header);\n        hideEmptyMessage(body);\n        showSearchResults(body);\n        hideLoadingIcon(header);\n        hideLoadingPlaceholder(body);\n        enableSearchInput(header);\n    };\n\n    /**\n     * Show the more users loading icon.\n     *\n     * @param {Object} root The more users container element.\n     */\n    var showUsersLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_USERS);\n        button.prop('disabled', true);\n        button.find(SELECTORS.BUTTON_TEXT).addClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the more users loading icon.\n     *\n     * @param {Object} root The more users container element.\n     */\n    var hideUsersLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_USERS);\n        button.prop('disabled', false);\n        button.find(SELECTORS.BUTTON_TEXT).removeClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the load more users button.\n     *\n     * @param {Object} root The users container element.\n     */\n    var showLoadMoreUsersButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_USERS).removeClass('hidden');\n    };\n\n    /**\n     * Hide the load more users button.\n     *\n     * @param {Object} root The users container element.\n     */\n    var hideLoadMoreUsersButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_USERS).addClass('hidden');\n    };\n\n    /**\n     * Show the messages are loading icon.\n     *\n     * @param {Object} root Messages root element.\n     */\n    var showMessagesLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_MESSAGES);\n        button.prop('disabled', true);\n        button.find(SELECTORS.BUTTON_TEXT).addClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages are loading icon.\n     *\n     * @param {Object} root Messages root element.\n     */\n    var hideMessagesLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_MESSAGES);\n        button.prop('disabled', false);\n        button.find(SELECTORS.BUTTON_TEXT).removeClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the load more messages button.\n     *\n     * @param  {Object} root The messages container element.\n     */\n    var showLoadMoreMessagesButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_MESSAGES).removeClass('hidden');\n    };\n\n    /**\n     * Hide the load more messages button.\n     *\n     * @param  {Object} root The messages container element.\n     */\n    var hideLoadMoreMessagesButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_MESSAGES).addClass('hidden');\n    };\n\n    /**\n     * Find a contact in the search results.\n     *\n     * @param  {Object} root Search results container element.\n     * @param  {Number} userId User id.\n     * @return {Object} User container element.\n     */\n    var findContact = function(root, userId) {\n        return root.find('[data-contact-user-id=\"' + userId + '\"]');\n    };\n\n    /**\n     * Add a contact to the search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} contact User in contacts list.\n     */\n    var addContact = function(root, contact) {\n        var nonContactsContainer = getNonContactsContainer(root);\n        var nonContact = findContact(nonContactsContainer, contact.userid);\n\n        if (nonContact.length) {\n            nonContact.remove();\n            var contactsContainer = getContactsContainer(root);\n            contactsContainer.removeClass('hidden');\n            contactsContainer.find(SELECTORS.LIST).append(nonContact);\n        }\n\n        if (!nonContactsContainer.find(SELECTORS.LIST).children().length) {\n            nonContactsContainer.addClass('hidden');\n        }\n    };\n\n    /**\n     * Remove a contact from the contacts results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var removeContact = function(root, userId) {\n        var contactsContainer = getContactsContainer(root);\n        var contact = findContact(contactsContainer, userId);\n\n        if (contact.length) {\n            contact.remove();\n            var nonContactsContainer = getNonContactsContainer(root);\n            nonContactsContainer.removeClass('hidden');\n            nonContactsContainer.find(SELECTORS.LIST).append(contact);\n        }\n\n        if (!contactsContainer.find(SELECTORS.LIST).children().length) {\n            contactsContainer.addClass('hidden');\n        }\n    };\n\n    /**\n     * Show the contact is blocked icon.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var blockContact = function(root, userId) {\n        var contact = findContact(root, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).removeClass('hidden');\n        }\n    };\n\n    /**\n     * Hide the contact is blocked icon.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var unblockContact = function(root, userId) {\n        var contact = findContact(root, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).addClass('hidden');\n        }\n    };\n\n    /**\n     * Highlight words in search results.\n     *\n     * @param  {String} content HTML to search.\n     * @param  {String} searchText Search text.\n     * @return {String} searchText with search wrapped in matchtext span.\n     */\n    var highlightSearch = function(content, searchText) {\n        if (!content) {\n            return '';\n        }\n        var regex = new RegExp('(' + searchText + ')', 'gi');\n        return content.replace(regex, '<span class=\"matchtext\">$1</span>');\n    };\n\n\n    /**\n     * Render contacts in the contacts search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} contacts List of contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var renderContacts = function(root, contacts) {\n        var container = getContactsContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.CONTACTS_LIST, {contacts: contacts, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Render non contacts in the contacts search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} nonContacts List of non contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var renderNonContacts = function(root, nonContacts) {\n        var container = getNonContactsContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.NON_CONTACTS_LIST, {noncontacts: nonContacts, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Render messages in the messages search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} messages List of messages.\n     * @return {Promise} Renderer promise.\n     */\n    var renderMessages = function(root, messages) {\n        var container = getMessagesContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.MESSAGES_LIST, {messages: messages, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Load more users from the repository and render the results into the users search results.\n     *\n     * @param  {Object} root Search results container.\n     * @param  {Number} loggedInUserId Current logged in user.\n     * @param  {String} text Search text.\n     * @param  {Number} limit Number of users to get.\n     * @param  {Number} offset Load users from\n     * @return {Object} jQuery promise\n     */\n    var loadMoreUsers = function(root, loggedInUserId, text, limit, offset) {\n        var loadedAll = false;\n        showUsersLoadingIcon(root);\n\n        return Repository.searchUsers(loggedInUserId, text, limit + 1, offset)\n            .then(function(results) {\n                var contacts = results.contacts;\n                var noncontacts = results.noncontacts;\n\n                if (contacts.length <= limit && noncontacts.length <= limit) {\n                    loadedAll = true;\n                    return {\n                        contacts: contacts,\n                        noncontacts: noncontacts\n                    };\n                } else {\n                    return {\n                        contacts: contacts.slice(0, limit),\n                        noncontacts: noncontacts.slice(0, limit)\n                    };\n                }\n            })\n            .then(function(results) {\n                var contactsCount = results.contacts.length;\n                var nonContactsCount = results.noncontacts.length;\n\n                if (contactsCount) {\n                    results.contacts.forEach(function(contact) {\n                        contact.highlight = highlightSearch(contact.fullname, text);\n                    });\n                }\n\n                if (nonContactsCount) {\n                    results.noncontacts.forEach(function(contact) {\n                        contact.highlight = highlightSearch(contact.fullname, text);\n                    });\n                }\n\n                return $.when(\n                    contactsCount ? renderContacts(root, results.contacts) : true,\n                    nonContactsCount ? renderNonContacts(root, results.noncontacts) : true\n                )\n                .then(function() {\n                    return {\n                        contactsCount: contactsCount,\n                        nonContactsCount: nonContactsCount\n                    };\n                });\n            })\n            .then(function(counts) {\n                hideUsersLoadingIcon(root);\n\n                if (loadedAll) {\n                    hideLoadMoreUsersButton(root);\n                }\n\n                return counts;\n            })\n            .catch(function(error) {\n                hideUsersLoadingIcon(root);\n                // Rethrow error for other handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Load more messages from the repository and render the results into the messages search results.\n     *\n     * @param  {Object} root Search results container.\n     * @param  {Number} loggedInUserId Current logged in user.\n     * @param  {String} text Search text.\n     * @param  {Number} limit Number of messages to get.\n     * @param  {Number} offset Load messages from\n     * @return {Object} jQuery promise\n     */\n    var loadMoreMessages = function(root, loggedInUserId, text, limit, offset) {\n        var loadedAll = false;\n        showMessagesLoadingIcon(root);\n\n        return Repository.searchMessages(loggedInUserId, text, limit + 1, offset)\n            .then(function(results) {\n                var messages = results.contacts;\n\n                if (messages.length <= limit) {\n                    loadedAll = true;\n                    return messages;\n                } else {\n                    return messages.slice(0, limit);\n                }\n            })\n            .then(function(messages) {\n                if (messages.length) {\n                    messages.forEach(function(message) {\n                        message.lastmessage = highlightSearch(message.lastmessage, text);\n                    });\n                    return renderMessages(root, messages)\n                        .then(function() {\n                            return messages.length;\n                        });\n                } else {\n                    return messages.length;\n                }\n            })\n            .then(function(count) {\n                hideMessagesLoadingIcon(root);\n\n                if (loadedAll) {\n                    hideLoadMoreMessagesButton(root);\n                }\n\n                return count;\n            })\n            .catch(function(error) {\n                hideMessagesLoadingIcon(root);\n                // Rethrow error for other handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Search for users and messages.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     * @param {String} searchText Search text.\n     * @param {Number} usersLimit The users limit.\n     * @param {Number} usersOffset The users offset.\n     * @param {Number} messagesLimit The message limit.\n     * @param {Number} messagesOffset The message offset.\n     * @return {Object} jQuery promise\n     */\n    var search = function(header, body, searchText, usersLimit, usersOffset, messagesLimit, messagesOffset) {\n        var loggedInUserId = getLoggedInUserId(body);\n        startLoading(header, body);\n        clearAllSearchResults(body);\n\n        return $.when(\n            loadMoreUsers(body, loggedInUserId, searchText, usersLimit, usersOffset),\n            loadMoreMessages(body, loggedInUserId, searchText, messagesLimit, messagesOffset)\n        )\n        .then(function(userCounts, messagesCount) {\n            var contactsCount = userCounts.contactsCount;\n            var nonContactsCount = userCounts.nonContactsCount;\n\n            stopLoading(header, body);\n\n            if (!contactsCount && !nonContactsCount && !messagesCount) {\n                showNoSearchResults(body);\n            } else {\n                if (!contactsCount && !nonContactsCount) {\n                    hideAllContactsSearchResults(body);\n                } else {\n                    if (!contactsCount) {\n                        hideContactsSearchResults(body);\n                    }\n\n                    if (!nonContactsCount) {\n                        hideNonContactsSearchResults(body);\n                    }\n                }\n\n                if (!messagesCount) {\n                    hideMessagesSearchResults(body);\n                }\n            }\n\n            return;\n        });\n    };\n\n\n    /**\n     * Listen to and handle events for searching.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var registerEventListeners = function(header, body) {\n        var loggedInUserId = getLoggedInUserId(body);\n        var searchInput = getSearchInput(header);\n        var searchText = '';\n        var messagesOffset = 0;\n        var usersOffset = 0;\n\n        var searchEventHandler = function(e, data) {\n            searchText = searchInput.val().trim();\n\n            if (searchText !== '') {\n                messagesOffset = 0;\n                usersOffset = 0;\n                search(\n                    header,\n                    body,\n                    searchText,\n                    USERS_INITIAL_SEARCH_LIMIT,\n                    usersOffset,\n                    MESSAGE_SEARCH_LIMIT,\n                    messagesOffset\n                )\n                .then(function() {\n                    searchInput.focus();\n                    usersOffset = usersOffset + USERS_INITIAL_SEARCH_LIMIT;\n                    messagesOffset = messagesOffset + MESSAGE_SEARCH_LIMIT;\n                    return;\n                })\n                .catch(Notification.exception);\n            }\n\n            data.originalEvent.preventDefault();\n        };\n\n        CustomEvents.define(searchInput, [CustomEvents.events.enter]);\n        CustomEvents.define(header, [CustomEvents.events.activate]);\n        CustomEvents.define(body, [CustomEvents.events.activate]);\n\n        searchInput.on(CustomEvents.events.enter, searchEventHandler);\n\n        header.on(CustomEvents.events.activate, SELECTORS.SEARCH_ACTION, searchEventHandler);\n\n        body.on(CustomEvents.events.activate, SELECTORS.LOAD_MORE_MESSAGES, function(e, data) {\n            if (searchText !== '') {\n                loadMoreMessages(body, loggedInUserId, searchText, MESSAGE_SEARCH_LIMIT, messagesOffset)\n                    .then(function() {\n                        messagesOffset = messagesOffset + MESSAGE_SEARCH_LIMIT;\n                        return;\n                    })\n                    .catch(Notification.exception);\n            }\n            data.originalEvent.preventDefault();\n        });\n\n        body.on(CustomEvents.events.activate, SELECTORS.LOAD_MORE_USERS, function(e, data) {\n            if (searchText !== '') {\n                loadMoreUsers(body, loggedInUserId, searchText, USERS_SEARCH_LIMIT, usersOffset)\n                    .then(function() {\n                        usersOffset = usersOffset + USERS_SEARCH_LIMIT;\n                        return;\n                    })\n                    .catch(Notification.exception);\n            }\n            data.originalEvent.preventDefault();\n        });\n\n        header.on(CustomEvents.events.activate, SELECTORS.CANCEL_SEARCH_BUTTON, function() {\n            clearSearchInput(header);\n            showEmptyMessage(body);\n            showSearchIcon(header);\n            hideSearchResults(body);\n            hideLoadingIcon(header);\n            hideLoadingPlaceholder(body);\n            usersOffset = 0;\n            messagesOffset = 0;\n        });\n\n        PubSub.subscribe(Events.CONTACT_ADDED, function(userId) {\n            addContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_REMOVED, function(userId) {\n            removeContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_BLOCKED, function(userId) {\n            blockContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_UNBLOCKED, function(userId) {\n            unblockContact(body, userId);\n        });\n    };\n\n    /**\n     * Setup the search page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @param {Object} body Contacts body container element.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body) {\n        if (!body.attr('data-init')) {\n            registerEventListeners(header, body);\n            body.attr('data-init', true);\n        }\n        var searchInput = getSearchInput(header);\n        searchInput.focus();\n\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @return {Object} jQuery promise\n     */\n    var description = function(namespace, header) {\n        if (typeof header !== 'object') {\n            return Str.get_string('messagedrawerviewsearch', 'core_message');\n        }\n        var searchInput = getSearchInput(header);\n        var searchText = searchInput.val().trim();\n        return Str.get_string('messagedrawerviewsearch', 'core_message', searchText);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_search.min.js"}
\ No newline at end of file
diff --git a/message/amd/build/message_send_bulk.min.js b/message/amd/build/message_send_bulk.min.js
index 9b4b7674954..cb7643601a8 100644
--- a/message/amd/build/message_send_bulk.min.js
+++ b/message/amd/build/message_send_bulk.min.js
@@ -1,2 +1,2 @@
-define ("core_message/message_send_bulk",["exports","core/str","core/modal_factory","core/templates","core/modal_events","core/ajax","core/notification"],function(a,b,c,d,e,f,g){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.sendMessage=a.showModal=void 0;c=h(c);d=h(d);e=h(e);f=h(f);g=h(g);function h(a){return a&&a.__esModule?a:{default:a}}var i=function(a){var f=1<arguments.length&&arguments[1]!==void 0?arguments[1]:null;if(!a.length){return Promise.resolve()}var g=null;if(1==a.length){g=(0,b.get_string)("sendbulkmessagesingle","core_message")}else{g=(0,b.get_string)("sendbulkmessage","core_message",a.length)}return c.default.create({type:c.default.types.SAVE_CANCEL,body:d.default.render("core_message/send_bulk_message",{}),title:g}).then(function(b){b.setSaveButtonText(g);b.getRoot().on(e.default.hidden,function(){if(f){f()}b.getRoot().remove()});b.getRoot().on(e.default.save,function(){var c=b.getRoot().find("form textarea").val();j(c,a)});b.show();return b})};a.showModal=i;var j=function(a,c){var d=[];c.forEach(function(b){d.push({touserid:b,text:a})});return f.default.call([{methodname:"core_message_send_instant_messages",args:{messages:d}}])[0].then(function(a){if(1==a.length){return(0,b.get_string)("sendbulkmessagesentsingle","core_message")}else{return(0,b.get_string)("sendbulkmessagesent","core_message",a.length)}}).then(function(a){g.default.addNotification({message:a,type:"success"});return!0}).catch(g.default.exception)};a.sendMessage=j});
+define ("core_message/message_send_bulk",["exports","core/str","core/modal_factory","core/templates","core/modal_events","core/ajax","core/notification"],function(a,b,c,d,e,f,g){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.showModal=a.sendMessage=void 0;c=h(c);d=h(d);e=h(e);f=h(f);g=h(g);function h(a){return a&&a.__esModule?a:{default:a}}var i=function(a){var f=1<arguments.length&&arguments[1]!==void 0?arguments[1]:null;if(!a.length){return Promise.resolve()}var g=null;if(1==a.length){g=(0,b.get_string)("sendbulkmessagesingle","core_message")}else{g=(0,b.get_string)("sendbulkmessage","core_message",a.length)}return c.default.create({type:c.default.types.SAVE_CANCEL,body:d.default.render("core_message/send_bulk_message",{}),title:g}).then(function(b){b.setSaveButtonText(g);b.getRoot().on(e.default.hidden,function(){if(f){f()}b.getRoot().remove()});b.getRoot().on(e.default.save,function(){var c=b.getRoot().find("form textarea").val();j(c,a)});b.show();return b})};a.showModal=i;var j=function(a,c){var d=[];c.forEach(function(b){d.push({touserid:b,text:a})});return f.default.call([{methodname:"core_message_send_instant_messages",args:{messages:d}}])[0].then(function(a){if(1==a.length){return(0,b.get_string)("sendbulkmessagesentsingle","core_message")}else{return(0,b.get_string)("sendbulkmessagesent","core_message",a.length)}}).then(function(a){g.default.addNotification({message:a,type:"success"});return!0}).catch(g.default.exception)};a.sendMessage=j});
 //# sourceMappingURL=message_send_bulk.min.js.map
diff --git a/message/output/airnotifier/yui/build/moodle-message_airnotifier-toolboxes/moodle-message_airnotifier-toolboxes-min.js b/message/output/airnotifier/yui/build/moodle-message_airnotifier-toolboxes/moodle-message_airnotifier-toolboxes-min.js
index 683eca44c1c..31782eb2661 100644
--- a/message/output/airnotifier/yui/build/moodle-message_airnotifier-toolboxes/moodle-message_airnotifier-toolboxes-min.js
+++ b/message/output/airnotifier/yui/build/moodle-message_airnotifier-toolboxes/moodle-message_airnotifier-toolboxes-min.js
@@ -1 +1 @@
-YUI.add("moodle-message_airnotifier-toolboxes",function(c,e){var t,i='div[data-processor-name="airnotifier"]',o="a.hidedevice",r="li.airnotifierdevice",u="dimmed_text",s="deviceid-",n=function(){n.superclass.constructor.apply(this,arguments)};c.extend(n,c.Base,{replace_button:function(e,t,i,o){o=o||"pointer";var s=c.one(e).all(t).setStyle("cursor",o);return s.on("click",i,this),s},toggle_hide_device_ui:function(e){var t,i=e.ancestor(r),o=e.one("img"),s=u,n="";n=i.hasClass(s)?"hide":"show",i.toggleClass(s),t=M.util.get_string(n,"moodle"),o.setAttrs({alt:t,title:t,src:M.util.image_url("t/"+n)}),e.set("title",t),e.set("className","editing_"+n)},send_request:function(e,o,s){var t,i,n,a,r;for(i in e=e||{},t=this.get("config").pageparams)e[i]=t[i];return o&&o.show(),e.sesskey=M.cfg.sesskey,n=M.cfg.wwwroot+this.get("ajaxurl"),r={method:"POST",data:e,on:{success:function(e,t){try{(a=c.JSON.parse(t.responseText)).error?c.use("moodle-core-notification-ajaxexception",function(){return new M.core.ajaxException(a).show()}):a.success&&s()}catch(i){}o&&o.hide()},failure:function(e,t){o&&o.hide(),c.use("moodle-core-notification-ajaxexception",function(){return new M.core.ajaxException(t).show()})}},context:this,sync:!(a=[])},c.io(n,r),a},get_element_id:function(e){return e.get("id").replace(s,"")}},{NAME:"device-toolbox",ATTRS:{ajaxurl:{value:0},config:{value:0}}}),t=function(){t.superclass.constructor.apply(this,arguments)},c.extend(t,n,{initializer:function(){this.setup_for_device()},setup_for_device:function(e){e=e||i,c.all(e).each(this._setup_for_device,this)},_setup_for_device:function(e){this.replace_button(e,o,this.toggle_hide_device)},toggle_hide_device:function(e){var t,i,o,s,n,a;e.preventDefault(),t=e.target.ancestor(r),i=e.target.ancestor("a",!0),o={field:"enable",enable:t.hasClass(u)?1:0,id:this.get_element_id(t)},s=M.util.add_spinner(c,t),a=function(){n.toggle_hide_device_ui(i)},(n=this).send_request(o,s,a)}},{NAME:"message-device-toolbox",ATTRS:{}}),M.message=M.message||{},M.message.init_device_toolbox=function(e){return new t(e)}},"@VERSION@",{requires:["base","node","io"]});
\ No newline at end of file
+YUI.add("moodle-message_airnotifier-toolboxes",function(c,e){var t,i='div[data-processor-name="airnotifier"]',o="a.hidedevice",n="li.airnotifierdevice",a="dimmed_text",s="deviceid-",r=function(){r.superclass.constructor.apply(this,arguments)};c.extend(r,c.Base,{replace_button:function(e,t,i,o){o=o||"pointer";e=c.one(e).all(t).setStyle("cursor",o);return e.on("click",i,this),e},toggle_hide_device_ui:function(e){var t=e.ancestor(n),i=e.one("img"),o=a,s="",s=t.hasClass(o)?"hide":"show";t.toggleClass(o),o=M.util.get_string(s,"moodle"),i.setAttrs({alt:o,title:o,src:M.util.image_url("t/"+s)}),e.set("title",o),e.set("className","editing_"+s)},send_request:function(e,o,s){var t,i,n,a;for(i in e=e||{},t=this.get("config").pageparams)e[i]=t[i];return o&&o.show(),e.sesskey=M.cfg.sesskey,n=M.cfg.wwwroot+this.get("ajaxurl"),a=[],c.io(n,{method:"POST",data:e,on:{success:function(e,t){try{(a=c.JSON.parse(t.responseText)).error?c.use("moodle-core-notification-ajaxexception",function(){return new M.core.ajaxException(a).show()}):a.success&&s()}catch(i){}o&&o.hide()},failure:function(e,t){o&&o.hide(),c.use("moodle-core-notification-ajaxexception",function(){return new M.core.ajaxException(t).show()})}},context:this,sync:!1}),a},get_element_id:function(e){return e.get("id").replace(s,"")}},{NAME:"device-toolbox",ATTRS:{ajaxurl:{value:0},config:{value:0}}}),c.extend(t=function(){t.superclass.constructor.apply(this,arguments)},r,{initializer:function(){this.setup_for_device()},setup_for_device:function(e){e=e||i,c.all(e).each(this._setup_for_device,this)},_setup_for_device:function(e){this.replace_button(e,o,this.toggle_hide_device)},toggle_hide_device:function(e){var t,i,o;e.preventDefault(),i=e.target.ancestor(n),t=e.target.ancestor("a",!0),e={field:"enable",enable:i.hasClass(a)?1:0,id:this.get_element_id(i)},i=M.util.add_spinner(c,i),(o=this).send_request(e,i,function(){o.toggle_hide_device_ui(t)})}},{NAME:"message-device-toolbox",ATTRS:{}}),M.message=M.message||{},M.message.init_device_toolbox=function(e){return new t(e)}},"@VERSION@",{requires:["base","node","io"]});
\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_area_control_area.min.js b/message/output/popup/amd/build/notification_area_control_area.min.js
index e489409187f..4d04ce156c2 100644
--- a/message/output/popup/amd/build/notification_area_control_area.min.js
+++ b/message/output/popup/amd/build/notification_area_control_area.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("message_popup/notification_area_control_area",["jquery","core/templates","core/notification","core/custom_interaction_events","message_popup/notification_repository","message_popup/notification_area_events"],function(a,b,c,d,e,f){var g={CONTAINER:"[data-region=\"notification-area\"]",CONTENT:"[data-region=\"content\"]",NOTIFICATION:"[data-region=\"notification-content-item-container\"]",CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]"},h={NOTIFICATION:"message_popup/notification_content_item"},i=function(b,c){this.root=a(b);this.container=this.root.closest(g.CONTAINER);this.userId=c;this.content=this.root.find(g.CONTENT);this.offset=0;this.limit=20;this.initialLoad=!1;this.isLoading=!1;this.loadedAll=!1;this.notifications={};this.registerEventListeners()};i.prototype.getRoot=function(){return this.root};i.prototype.getContainer=function(){return this.container};i.prototype.getUserId=function(){return this.userId};i.prototype.getContent=function(){return this.content};i.prototype.getOffset=function(){return this.offset};i.prototype.getLimit=function(){return this.limit};i.prototype.setOffset=function(a){this.offset=a};i.prototype.setLimit=function(a){this.limit=a};i.prototype.incrementOffset=function(){this.offset+=this.limit};i.prototype.startLoading=function(){this.isLoading=!0;this.getRoot().addClass("loading")};i.prototype.stopLoading=function(){this.isLoading=!1;this.getRoot().removeClass("loading")};i.prototype.hasDoneInitialLoad=function(){return this.initialLoad};i.prototype.hasLoadedAllContent=function(){return this.loadedAll};i.prototype.setLoadedAllContent=function(a){this.loadedAll=a};i.prototype.setCacheNotification=function(a){this.notifications[a.id]=a};i.prototype.getCacheNotification=function(a){return this.notifications[a]};i.prototype.getNotificationElement=function(a){var b=this.getRoot().find(g.NOTIFICATION+"[data-id=\""+a+"\"]");return 1==b.length?b:null};i.prototype.scrollNotificationIntoView=function(a){var b=a.position(),c=this.getRoot(),d=b.top-c.scrollTop();if(d>c.innerHeight()){var e=a.outerHeight();e=4*e;var f=b.top-e;c.scrollTop(f)}};i.prototype.showNotification=function(b){if("object"!==_typeof(b)){b=this.getNotificationElement(b)}if(b&&b.length){this.getRoot().find(g.NOTIFICATION).removeClass("selected");b.addClass("selected").find(g.CAN_RECEIVE_FOCUS).focus();var c=b.attr("data-id"),d=this.getCacheNotification(c);this.scrollNotificationIntoView(b);this.getContainer().trigger(f.showNotification,[a.extend({},d)])}};i.prototype.markNotificationAsRead=function(a){return e.markAsRead(a.attr("data-id")).done(function(){a.removeClass("unread")})};i.prototype.renderNotifications=function(c){var d=[],e=this.getContent();a.each(c,function(a,c){var e=c.contexturl;delete c.contexturl;var f=b.render(h.NOTIFICATION,c).then(function(a,b){c.contexturl=e;this.setCacheNotification(c);return{html:a,js:b}}.bind(this));d.push(f)}.bind(this));return a.when.apply(a,d).then(function(){a.each(arguments,function(a,c){e.append(c.html);b.runTemplateJS(c.js)})})};i.prototype.loadMoreNotifications=function(){if(this.isLoading||this.hasLoadedAllContent()){return a.Deferred().resolve()}this.startLoading();var b={limit:this.getLimit(),offset:this.getOffset(),useridto:this.getUserId()};if(!this.initialLoad){b.limit=this.getOffset()+this.getLimit();b.offset=0}var c=e.query(b).then(function(a){var b=a.notifications;this.unreadCount=a.unreadcount;this.setLoadedAllContent(!b.length||b.length<this.getLimit());this.initialLoad=!0;if(b.length){this.incrementOffset();return this.renderNotifications(b)}return!1}.bind(this)).always(function(){this.stopLoading()}.bind(this));return c};i.prototype.registerEventListeners=function(){d.define(this.getRoot(),[d.events.activate,d.events.scrollBottom,d.events.scrollLock,d.events.up,d.events.down]);this.getRoot().on(d.events.scrollBottom,function(){this.loadMoreNotifications()}.bind(this));this.getRoot().on(d.events.activate,g.NOTIFICATION,function(b){var c=a(b.target).closest(g.NOTIFICATION);this.showNotification(c)}.bind(this));this.getRoot().on(d.events.up,g.NOTIFICATION,function(b,c){var d=a(b.target).closest(g.NOTIFICATION);this.showNotification(d.prev());c.originalEvent.preventDefault()}.bind(this));this.getRoot().on(d.events.down,g.NOTIFICATION,function(b,c){var d=a(b.target).closest(g.NOTIFICATION);this.showNotification(d.next());c.originalEvent.preventDefault()}.bind(this));this.getContainer().on(f.notificationShown,function(a,b){if(!b.read){var c=this.getNotificationElement(b.id);if(c){this.markNotificationAsRead(c)}var d=this.getCacheNotification(b.id);if(d){d.read=!0}}}.bind(this))};return i});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("message_popup/notification_area_control_area",["jquery","core/templates","core/notification","core/custom_interaction_events","message_popup/notification_repository","message_popup/notification_area_events"],function(a,b,c,d,e,f){var g={CONTAINER:"[data-region=\"notification-area\"]",CONTENT:"[data-region=\"content\"]",NOTIFICATION:"[data-region=\"notification-content-item-container\"]",CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]"},h={NOTIFICATION:"message_popup/notification_content_item"},i=function(b,c){this.root=a(b);this.container=this.root.closest(g.CONTAINER);this.userId=c;this.content=this.root.find(g.CONTENT);this.offset=0;this.limit=20;this.initialLoad=!1;this.isLoading=!1;this.loadedAll=!1;this.notifications={};this.registerEventListeners()};i.prototype.getRoot=function(){return this.root};i.prototype.getContainer=function(){return this.container};i.prototype.getUserId=function(){return this.userId};i.prototype.getContent=function(){return this.content};i.prototype.getOffset=function(){return this.offset};i.prototype.getLimit=function(){return this.limit};i.prototype.setOffset=function(a){this.offset=a};i.prototype.setLimit=function(a){this.limit=a};i.prototype.incrementOffset=function(){this.offset+=this.limit};i.prototype.startLoading=function(){this.isLoading=!0;this.getRoot().addClass("loading")};i.prototype.stopLoading=function(){this.isLoading=!1;this.getRoot().removeClass("loading")};i.prototype.hasDoneInitialLoad=function(){return this.initialLoad};i.prototype.hasLoadedAllContent=function(){return this.loadedAll};i.prototype.setLoadedAllContent=function(a){this.loadedAll=a};i.prototype.setCacheNotification=function(a){this.notifications[a.id]=a};i.prototype.getCacheNotification=function(a){return this.notifications[a]};i.prototype.getNotificationElement=function(a){var b=this.getRoot().find(g.NOTIFICATION+"[data-id=\""+a+"\"]");return 1==b.length?b:null};i.prototype.scrollNotificationIntoView=function(a){var b=a.position(),c=this.getRoot(),d=b.top-c.scrollTop();if(d>c.innerHeight()){var e=a.outerHeight();e=4*e;var f=b.top-e;c.scrollTop(f)}};i.prototype.showNotification=function(b){if("object"!==_typeof(b)){b=this.getNotificationElement(b)}if(b&&b.length){this.getRoot().find(g.NOTIFICATION).removeClass("selected");b.addClass("selected").find(g.CAN_RECEIVE_FOCUS).focus();var c=b.attr("data-id"),d=this.getCacheNotification(c);this.scrollNotificationIntoView(b);this.getContainer().trigger(f.showNotification,[a.extend({},d)])}};i.prototype.markNotificationAsRead=function(a){return e.markAsRead(a.attr("data-id")).done(function(){a.removeClass("unread")})};i.prototype.renderNotifications=function(c){var d=[],e=this.getContent();a.each(c,function(a,c){var e=c.contexturl;delete c.contexturl;var f=b.render(h.NOTIFICATION,c).then(function(a,b){c.contexturl=e;this.setCacheNotification(c);return{html:a,js:b}}.bind(this));d.push(f)}.bind(this));return a.when.apply(a,d).then(function(){a.each(arguments,function(a,c){e.append(c.html);b.runTemplateJS(c.js)})})};i.prototype.loadMoreNotifications=function(){if(this.isLoading||this.hasLoadedAllContent()){return a.Deferred().resolve()}this.startLoading();var b={limit:this.getLimit(),offset:this.getOffset(),useridto:this.getUserId()};if(!this.initialLoad){b.limit=this.getOffset()+this.getLimit();b.offset=0}var c=e.query(b).then(function(a){var b=a.notifications;this.unreadCount=a.unreadcount;this.setLoadedAllContent(!b.length||b.length<this.getLimit());this.initialLoad=!0;if(b.length){this.incrementOffset();return this.renderNotifications(b)}return!1}.bind(this)).always(function(){this.stopLoading()}.bind(this));return c};i.prototype.registerEventListeners=function(){d.define(this.getRoot(),[d.events.activate,d.events.scrollBottom,d.events.scrollLock,d.events.up,d.events.down]);this.getRoot().on(d.events.scrollBottom,function(){this.loadMoreNotifications()}.bind(this));this.getRoot().on(d.events.activate,g.NOTIFICATION,function(b){var c=a(b.target).closest(g.NOTIFICATION);this.showNotification(c)}.bind(this));this.getRoot().on(d.events.up,g.NOTIFICATION,function(b,c){var d=a(b.target).closest(g.NOTIFICATION);this.showNotification(d.prev());c.originalEvent.preventDefault()}.bind(this));this.getRoot().on(d.events.down,g.NOTIFICATION,function(b,c){var d=a(b.target).closest(g.NOTIFICATION);this.showNotification(d.next());c.originalEvent.preventDefault()}.bind(this));this.getContainer().on(f.notificationShown,function(a,b){if(!b.read){var c=this.getNotificationElement(b.id);if(c){this.markNotificationAsRead(c)}var d=this.getCacheNotification(b.id);if(d){d.read=!0}}}.bind(this))};return i});
 //# sourceMappingURL=notification_area_control_area.min.js.map
diff --git a/message/output/popup/amd/build/notification_area_control_area.min.js.map b/message/output/popup/amd/build/notification_area_control_area.min.js.map
index cd53f1b07d9..c147e432558 100644
--- a/message/output/popup/amd/build/notification_area_control_area.min.js.map
+++ b/message/output/popup/amd/build/notification_area_control_area.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the notification area on the notification page.\n *\n * @module     message_popup/notification_area_control_area\n * @class      notification_area_control_area\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'message_popup/notification_repository', 'message_popup/notification_area_events'],\n    function($, Templates, DebugNotification, CustomEvents, NotificationRepo, NotificationAreaEvents) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"notification-area\"]',\n        CONTENT: '[data-region=\"content\"]',\n        NOTIFICATION: '[data-region=\"notification-content-item-container\"]',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    var TEMPLATES = {\n        NOTIFICATION: 'message_popup/notification_content_item',\n    };\n\n    /**\n     * Constructor for ControlArea\n     *\n     * @param {object} root The root element for the content area\n     * @param {int} userId The user id of the current user\n     */\n    var ControlArea = function(root, userId) {\n        this.root = $(root);\n        this.container = this.root.closest(SELECTORS.CONTAINER);\n        this.userId = userId;\n        this.content = this.root.find(SELECTORS.CONTENT);\n        this.offset = 0;\n        this.limit = 20;\n        this.initialLoad = false;\n        this.isLoading = false;\n        this.loadedAll = false;\n        this.notifications = {};\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Get the root element.\n     *\n     * @method getRoot\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the container element (which the control area is within).\n     *\n     * @method getContainer\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getContainer = function() {\n        return this.container;\n    };\n\n    /**\n     * Get the user id.\n     *\n     * @method getUserId\n     * @return {int}\n     */\n    ControlArea.prototype.getUserId = function() {\n        return this.userId;\n    };\n\n    /**\n     * Get the control area content element.\n     *\n     * @method getContent\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getContent = function() {\n        return this.content;\n    };\n\n    /**\n     * Get the offset value for paginated loading of the\n     * notifications.\n     *\n     * @method getOffset\n     * @return {int}\n     */\n    ControlArea.prototype.getOffset = function() {\n        return this.offset;\n    };\n\n    /**\n     * Get the limit value for the paginated loading of the\n     * notifications.\n     *\n     * @method getLimit\n     * @return {int}\n     */\n    ControlArea.prototype.getLimit = function() {\n        return this.limit;\n    };\n\n    /**\n     * Set the offset value for the paginated loading of the\n     * notifications.\n     *\n     * @method setOffset\n     * @param {int} value The new offset value\n     */\n    ControlArea.prototype.setOffset = function(value) {\n        this.offset = value;\n    };\n\n    /**\n     * Set the limit value for the paginated loading of the\n     * notifications.\n     *\n     * @method setLimit\n     * @param {int} value The new limit value\n     */\n    ControlArea.prototype.setLimit = function(value) {\n        this.limit = value;\n    };\n\n    /**\n     * Increment the offset by the limit amount.\n     *\n     * @method incrementOffset\n     */\n    ControlArea.prototype.incrementOffset = function() {\n        this.offset += this.limit;\n    };\n\n    /**\n     * Flag the control area as loading.\n     *\n     * @method startLoading\n     */\n    ControlArea.prototype.startLoading = function() {\n        this.isLoading = true;\n        this.getRoot().addClass('loading');\n    };\n\n    /**\n     * Remove the loading flag from the control area.\n     *\n     * @method stopLoading\n     */\n    ControlArea.prototype.stopLoading = function() {\n        this.isLoading = false;\n        this.getRoot().removeClass('loading');\n    };\n\n    /**\n     * Check if the first load of notifications has been triggered.\n     *\n     * @method hasDoneInitialLoad\n     * @return {bool} true if first notification loaded, false otherwise\n     */\n    ControlArea.prototype.hasDoneInitialLoad = function() {\n        return this.initialLoad;\n    };\n\n    /**\n     * Check if all of the notifications have been loaded.\n     *\n     * @method hasLoadedAllContent\n     * @return {bool}\n     */\n    ControlArea.prototype.hasLoadedAllContent = function() {\n        return this.loadedAll;\n    };\n\n    /**\n     * Set the state of the loaded all content property.\n     *\n     * @method setLoadedAllContent\n     * @param {bool} val True if all content is loaded, false otherwise\n     */\n    ControlArea.prototype.setLoadedAllContent = function(val) {\n        this.loadedAll = val;\n    };\n\n    /**\n     * Save a notification in the cache.\n     *\n     * @method setCacheNotification\n     * @param {object} notification A notification returned by a webservice\n     */\n    ControlArea.prototype.setCacheNotification = function(notification) {\n        this.notifications[notification.id] = notification;\n    };\n\n    /**\n     * Retrieve a notification from the cache.\n     *\n     * @method getCacheNotification\n     * @param {int} id The id for the notification you wish to retrieve\n     * @return {object} A notification (as returned by a webservice)\n     */\n    ControlArea.prototype.getCacheNotification = function(id) {\n        return this.notifications[id];\n    };\n\n    /**\n     * Find the notification element in the control area for the given id.\n     *\n     * @method getNotificationElement\n     * @param {int} id The notification id\n     * @return {(object|null)} jQuery element or null\n     */\n    ControlArea.prototype.getNotificationElement = function(id) {\n        var element = this.getRoot().find(SELECTORS.NOTIFICATION + '[data-id=\"' + id + '\"]');\n        return element.length == 1 ? element : null;\n    };\n\n    /**\n     * Scroll the notification element into view within the control area, if it\n     * isn't already visible.\n     *\n     * @method scrollNotificationIntoView\n     * @param {object} notificationElement The jQuery notification element\n     */\n    ControlArea.prototype.scrollNotificationIntoView = function(notificationElement) {\n        var position = notificationElement.position();\n        var container = this.getRoot();\n        var relativeTop = position.top - container.scrollTop();\n\n        // If the element isn't in the view window.\n        if (relativeTop > container.innerHeight()) {\n            var height = notificationElement.outerHeight();\n            // Offset enough to make sure the notification will be in view.\n            height = height * 4;\n            var scrollTo = position.top - height;\n            container.scrollTop(scrollTo);\n        }\n    };\n\n    /**\n     * Show the full notification for the given notification element. The notification\n     * context is retrieved from the cache and send as data with an event to be\n     * rendered in the content area.\n     *\n     * @method showNotification\n     * @param {(int|object)} notificationElement The notification id or jQuery notification element\n     */\n    ControlArea.prototype.showNotification = function(notificationElement) {\n        if (typeof notificationElement !== 'object') {\n            // Assume it's an ID if it's not an object.\n            notificationElement = this.getNotificationElement(notificationElement);\n        }\n\n        if (notificationElement && notificationElement.length) {\n            this.getRoot().find(SELECTORS.NOTIFICATION).removeClass('selected');\n            notificationElement.addClass('selected').find(SELECTORS.CAN_RECEIVE_FOCUS).focus();\n            var notificationId = notificationElement.attr('data-id');\n            var notification = this.getCacheNotification(notificationId);\n            this.scrollNotificationIntoView(notificationElement);\n            // Create a new version of the notification to send with the notification so\n            // this copy isn't modified.\n            this.getContainer().trigger(NotificationAreaEvents.showNotification, [$.extend({}, notification)]);\n        }\n    };\n\n    /**\n     * Send a request to mark the notification as read in the server and remove the unread\n     * status from the element.\n     *\n     * @method markNotificationAsRead\n     * @param {object} notificationElement The jQuery notification element\n     * @return {object} jQuery promise\n     */\n    ControlArea.prototype.markNotificationAsRead = function(notificationElement) {\n        return NotificationRepo.markAsRead(notificationElement.attr('data-id')).done(function() {\n            notificationElement.removeClass('unread');\n        });\n    };\n\n\n    /**\n     * Render the notification data with the appropriate template and add it to the DOM.\n     *\n     * @method renderNotifications\n     * @param {array} notifications Array of notification data\n     * @return {object} jQuery promise that is resolved when all notifications have been\n     *                  rendered and added to the DOM\n     */\n    ControlArea.prototype.renderNotifications = function(notifications) {\n        var promises = [];\n        var container = this.getContent();\n\n        $.each(notifications, function(index, notification) {\n            // Need to remove the contexturl so the item isn't rendered\n            // as a link.\n            var contextUrl = notification.contexturl;\n            delete notification.contexturl;\n\n            var promise = Templates.render(TEMPLATES.NOTIFICATION, notification)\n            .then(function(html, js) {\n                // Restore it for the cache.\n                notification.contexturl = contextUrl;\n                this.setCacheNotification(notification);\n                // Pass the Rendered content out.\n                return {html: html, js: js};\n            }.bind(this));\n            promises.push(promise);\n        }.bind(this));\n\n        return $.when.apply($, promises).then(function() {\n            // Each of the promises in the when will pass its results as an argument to the function.\n            // The order of the arguments will be the order that the promises are passed to when()\n            // i.e. the first promise's results will be in the first argument.\n            $.each(arguments, function(index, argument) {\n                container.append(argument.html);\n                Templates.runTemplateJS(argument.js);\n            });\n            return;\n        });\n    };\n\n    /**\n     * Load notifications from the server and render them.\n     *\n     * @method loadMoreNotifications\n     * @return {object} jQuery promise\n     */\n    ControlArea.prototype.loadMoreNotifications = function() {\n        if (this.isLoading || this.hasLoadedAllContent()) {\n            return $.Deferred().resolve();\n        }\n\n        this.startLoading();\n        var request = {\n            limit: this.getLimit(),\n            offset: this.getOffset(),\n            useridto: this.getUserId(),\n        };\n\n        if (!this.initialLoad) {\n            // If this is the first load we may have been given a non-zero offset,\n            // in which case we need to load all notifications preceeding that offset\n            // to make sure the full list is rendered.\n            request.limit = this.getOffset() + this.getLimit();\n            request.offset = 0;\n        }\n\n        var promise = NotificationRepo.query(request).then(function(result) {\n            var notifications = result.notifications;\n            this.unreadCount = result.unreadcount;\n            this.setLoadedAllContent(!notifications.length || notifications.length < this.getLimit());\n            this.initialLoad = true;\n\n            if (notifications.length) {\n                this.incrementOffset();\n                return this.renderNotifications(notifications);\n            }\n\n            return false;\n        }.bind(this))\n        .always(function() {\n            this.stopLoading();\n        }.bind(this));\n\n        return promise;\n    };\n\n    /**\n     * Create the event listeners for the control area.\n     *\n     * @method registerEventListeners\n     */\n    ControlArea.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.getRoot(), [\n            CustomEvents.events.activate,\n            CustomEvents.events.scrollBottom,\n            CustomEvents.events.scrollLock,\n            CustomEvents.events.up,\n            CustomEvents.events.down,\n        ]);\n\n        this.getRoot().on(CustomEvents.events.scrollBottom, function() {\n            this.loadMoreNotifications();\n        }.bind(this));\n\n        this.getRoot().on(CustomEvents.events.activate, SELECTORS.NOTIFICATION, function(e) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement);\n        }.bind(this));\n\n        // Show the previous notification in the list.\n        this.getRoot().on(CustomEvents.events.up, SELECTORS.NOTIFICATION, function(e, data) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement.prev());\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        // Show the next notification in the list.\n        this.getRoot().on(CustomEvents.events.down, SELECTORS.NOTIFICATION, function(e, data) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement.next());\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        this.getContainer().on(NotificationAreaEvents.notificationShown, function(e, notification) {\n            if (!notification.read) {\n                var element = this.getNotificationElement(notification.id);\n\n                if (element) {\n                    this.markNotificationAsRead(element);\n                }\n\n                var cachedNotification = this.getCacheNotification(notification.id);\n\n                if (cachedNotification) {\n                    cachedNotification.read = true;\n                }\n            }\n        }.bind(this));\n    };\n\n    return ControlArea;\n});\n"],"file":"notification_area_control_area.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the notification area on the notification page.\n *\n * @module     message_popup/notification_area_control_area\n * @class      notification_area_control_area\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'message_popup/notification_repository', 'message_popup/notification_area_events'],\n    function($, Templates, DebugNotification, CustomEvents, NotificationRepo, NotificationAreaEvents) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"notification-area\"]',\n        CONTENT: '[data-region=\"content\"]',\n        NOTIFICATION: '[data-region=\"notification-content-item-container\"]',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    var TEMPLATES = {\n        NOTIFICATION: 'message_popup/notification_content_item',\n    };\n\n    /**\n     * Constructor for ControlArea\n     *\n     * @param {object} root The root element for the content area\n     * @param {int} userId The user id of the current user\n     */\n    var ControlArea = function(root, userId) {\n        this.root = $(root);\n        this.container = this.root.closest(SELECTORS.CONTAINER);\n        this.userId = userId;\n        this.content = this.root.find(SELECTORS.CONTENT);\n        this.offset = 0;\n        this.limit = 20;\n        this.initialLoad = false;\n        this.isLoading = false;\n        this.loadedAll = false;\n        this.notifications = {};\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Get the root element.\n     *\n     * @method getRoot\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the container element (which the control area is within).\n     *\n     * @method getContainer\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getContainer = function() {\n        return this.container;\n    };\n\n    /**\n     * Get the user id.\n     *\n     * @method getUserId\n     * @return {int}\n     */\n    ControlArea.prototype.getUserId = function() {\n        return this.userId;\n    };\n\n    /**\n     * Get the control area content element.\n     *\n     * @method getContent\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getContent = function() {\n        return this.content;\n    };\n\n    /**\n     * Get the offset value for paginated loading of the\n     * notifications.\n     *\n     * @method getOffset\n     * @return {int}\n     */\n    ControlArea.prototype.getOffset = function() {\n        return this.offset;\n    };\n\n    /**\n     * Get the limit value for the paginated loading of the\n     * notifications.\n     *\n     * @method getLimit\n     * @return {int}\n     */\n    ControlArea.prototype.getLimit = function() {\n        return this.limit;\n    };\n\n    /**\n     * Set the offset value for the paginated loading of the\n     * notifications.\n     *\n     * @method setOffset\n     * @param {int} value The new offset value\n     */\n    ControlArea.prototype.setOffset = function(value) {\n        this.offset = value;\n    };\n\n    /**\n     * Set the limit value for the paginated loading of the\n     * notifications.\n     *\n     * @method setLimit\n     * @param {int} value The new limit value\n     */\n    ControlArea.prototype.setLimit = function(value) {\n        this.limit = value;\n    };\n\n    /**\n     * Increment the offset by the limit amount.\n     *\n     * @method incrementOffset\n     */\n    ControlArea.prototype.incrementOffset = function() {\n        this.offset += this.limit;\n    };\n\n    /**\n     * Flag the control area as loading.\n     *\n     * @method startLoading\n     */\n    ControlArea.prototype.startLoading = function() {\n        this.isLoading = true;\n        this.getRoot().addClass('loading');\n    };\n\n    /**\n     * Remove the loading flag from the control area.\n     *\n     * @method stopLoading\n     */\n    ControlArea.prototype.stopLoading = function() {\n        this.isLoading = false;\n        this.getRoot().removeClass('loading');\n    };\n\n    /**\n     * Check if the first load of notifications has been triggered.\n     *\n     * @method hasDoneInitialLoad\n     * @return {bool} true if first notification loaded, false otherwise\n     */\n    ControlArea.prototype.hasDoneInitialLoad = function() {\n        return this.initialLoad;\n    };\n\n    /**\n     * Check if all of the notifications have been loaded.\n     *\n     * @method hasLoadedAllContent\n     * @return {bool}\n     */\n    ControlArea.prototype.hasLoadedAllContent = function() {\n        return this.loadedAll;\n    };\n\n    /**\n     * Set the state of the loaded all content property.\n     *\n     * @method setLoadedAllContent\n     * @param {bool} val True if all content is loaded, false otherwise\n     */\n    ControlArea.prototype.setLoadedAllContent = function(val) {\n        this.loadedAll = val;\n    };\n\n    /**\n     * Save a notification in the cache.\n     *\n     * @method setCacheNotification\n     * @param {object} notification A notification returned by a webservice\n     */\n    ControlArea.prototype.setCacheNotification = function(notification) {\n        this.notifications[notification.id] = notification;\n    };\n\n    /**\n     * Retrieve a notification from the cache.\n     *\n     * @method getCacheNotification\n     * @param {int} id The id for the notification you wish to retrieve\n     * @return {object} A notification (as returned by a webservice)\n     */\n    ControlArea.prototype.getCacheNotification = function(id) {\n        return this.notifications[id];\n    };\n\n    /**\n     * Find the notification element in the control area for the given id.\n     *\n     * @method getNotificationElement\n     * @param {int} id The notification id\n     * @return {(object|null)} jQuery element or null\n     */\n    ControlArea.prototype.getNotificationElement = function(id) {\n        var element = this.getRoot().find(SELECTORS.NOTIFICATION + '[data-id=\"' + id + '\"]');\n        return element.length == 1 ? element : null;\n    };\n\n    /**\n     * Scroll the notification element into view within the control area, if it\n     * isn't already visible.\n     *\n     * @method scrollNotificationIntoView\n     * @param {object} notificationElement The jQuery notification element\n     */\n    ControlArea.prototype.scrollNotificationIntoView = function(notificationElement) {\n        var position = notificationElement.position();\n        var container = this.getRoot();\n        var relativeTop = position.top - container.scrollTop();\n\n        // If the element isn't in the view window.\n        if (relativeTop > container.innerHeight()) {\n            var height = notificationElement.outerHeight();\n            // Offset enough to make sure the notification will be in view.\n            height = height * 4;\n            var scrollTo = position.top - height;\n            container.scrollTop(scrollTo);\n        }\n    };\n\n    /**\n     * Show the full notification for the given notification element. The notification\n     * context is retrieved from the cache and send as data with an event to be\n     * rendered in the content area.\n     *\n     * @method showNotification\n     * @param {(int|object)} notificationElement The notification id or jQuery notification element\n     */\n    ControlArea.prototype.showNotification = function(notificationElement) {\n        if (typeof notificationElement !== 'object') {\n            // Assume it's an ID if it's not an object.\n            notificationElement = this.getNotificationElement(notificationElement);\n        }\n\n        if (notificationElement && notificationElement.length) {\n            this.getRoot().find(SELECTORS.NOTIFICATION).removeClass('selected');\n            notificationElement.addClass('selected').find(SELECTORS.CAN_RECEIVE_FOCUS).focus();\n            var notificationId = notificationElement.attr('data-id');\n            var notification = this.getCacheNotification(notificationId);\n            this.scrollNotificationIntoView(notificationElement);\n            // Create a new version of the notification to send with the notification so\n            // this copy isn't modified.\n            this.getContainer().trigger(NotificationAreaEvents.showNotification, [$.extend({}, notification)]);\n        }\n    };\n\n    /**\n     * Send a request to mark the notification as read in the server and remove the unread\n     * status from the element.\n     *\n     * @method markNotificationAsRead\n     * @param {object} notificationElement The jQuery notification element\n     * @return {object} jQuery promise\n     */\n    ControlArea.prototype.markNotificationAsRead = function(notificationElement) {\n        return NotificationRepo.markAsRead(notificationElement.attr('data-id')).done(function() {\n            notificationElement.removeClass('unread');\n        });\n    };\n\n\n    /**\n     * Render the notification data with the appropriate template and add it to the DOM.\n     *\n     * @method renderNotifications\n     * @param {array} notifications Array of notification data\n     * @return {object} jQuery promise that is resolved when all notifications have been\n     *                  rendered and added to the DOM\n     */\n    ControlArea.prototype.renderNotifications = function(notifications) {\n        var promises = [];\n        var container = this.getContent();\n\n        $.each(notifications, function(index, notification) {\n            // Need to remove the contexturl so the item isn't rendered\n            // as a link.\n            var contextUrl = notification.contexturl;\n            delete notification.contexturl;\n\n            var promise = Templates.render(TEMPLATES.NOTIFICATION, notification)\n            .then(function(html, js) {\n                // Restore it for the cache.\n                notification.contexturl = contextUrl;\n                this.setCacheNotification(notification);\n                // Pass the Rendered content out.\n                return {html: html, js: js};\n            }.bind(this));\n            promises.push(promise);\n        }.bind(this));\n\n        return $.when.apply($, promises).then(function() {\n            // Each of the promises in the when will pass its results as an argument to the function.\n            // The order of the arguments will be the order that the promises are passed to when()\n            // i.e. the first promise's results will be in the first argument.\n            $.each(arguments, function(index, argument) {\n                container.append(argument.html);\n                Templates.runTemplateJS(argument.js);\n            });\n            return;\n        });\n    };\n\n    /**\n     * Load notifications from the server and render them.\n     *\n     * @method loadMoreNotifications\n     * @return {object} jQuery promise\n     */\n    ControlArea.prototype.loadMoreNotifications = function() {\n        if (this.isLoading || this.hasLoadedAllContent()) {\n            return $.Deferred().resolve();\n        }\n\n        this.startLoading();\n        var request = {\n            limit: this.getLimit(),\n            offset: this.getOffset(),\n            useridto: this.getUserId(),\n        };\n\n        if (!this.initialLoad) {\n            // If this is the first load we may have been given a non-zero offset,\n            // in which case we need to load all notifications preceeding that offset\n            // to make sure the full list is rendered.\n            request.limit = this.getOffset() + this.getLimit();\n            request.offset = 0;\n        }\n\n        var promise = NotificationRepo.query(request).then(function(result) {\n            var notifications = result.notifications;\n            this.unreadCount = result.unreadcount;\n            this.setLoadedAllContent(!notifications.length || notifications.length < this.getLimit());\n            this.initialLoad = true;\n\n            if (notifications.length) {\n                this.incrementOffset();\n                return this.renderNotifications(notifications);\n            }\n\n            return false;\n        }.bind(this))\n        .always(function() {\n            this.stopLoading();\n        }.bind(this));\n\n        return promise;\n    };\n\n    /**\n     * Create the event listeners for the control area.\n     *\n     * @method registerEventListeners\n     */\n    ControlArea.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.getRoot(), [\n            CustomEvents.events.activate,\n            CustomEvents.events.scrollBottom,\n            CustomEvents.events.scrollLock,\n            CustomEvents.events.up,\n            CustomEvents.events.down,\n        ]);\n\n        this.getRoot().on(CustomEvents.events.scrollBottom, function() {\n            this.loadMoreNotifications();\n        }.bind(this));\n\n        this.getRoot().on(CustomEvents.events.activate, SELECTORS.NOTIFICATION, function(e) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement);\n        }.bind(this));\n\n        // Show the previous notification in the list.\n        this.getRoot().on(CustomEvents.events.up, SELECTORS.NOTIFICATION, function(e, data) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement.prev());\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        // Show the next notification in the list.\n        this.getRoot().on(CustomEvents.events.down, SELECTORS.NOTIFICATION, function(e, data) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement.next());\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        this.getContainer().on(NotificationAreaEvents.notificationShown, function(e, notification) {\n            if (!notification.read) {\n                var element = this.getNotificationElement(notification.id);\n\n                if (element) {\n                    this.markNotificationAsRead(element);\n                }\n\n                var cachedNotification = this.getCacheNotification(notification.id);\n\n                if (cachedNotification) {\n                    cachedNotification.read = true;\n                }\n            }\n        }.bind(this));\n    };\n\n    return ControlArea;\n});\n"],"file":"notification_area_control_area.min.js"}
\ No newline at end of file
diff --git a/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-min.js b/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-min.js
index eef5759e094..0b8bb75777b 100644
--- a/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-min.js
+++ b/mod/assign/feedback/editpdf/yui/build/moodle-assignfeedback_editpdf-editor/moodle-assignfeedback_editpdf-editor-min.js
@@ -1,9 +1,9 @@
-YUI.add("moodle-assignfeedback_editpdf-editor",function(u,t){var e,i,s,n,a,o,r,d,c,h,l,g,p,f,_,m,b,w,k,y,v,x,S,A,N=M.cfg.wwwroot+"/mod/assign/feedback/editpdf/ajax.php",D=M.cfg.wwwroot+"/mod/assign/feedback/editpdf/ajax_progress.php",T="assignfeedback_editpdf_widget",I=".navigate-previous-button",C=" .navigate-next-button",q=".searchcommentsbutton",z=".expcolcommentsbutton",E=".assignfeedback_editpdf_commentsearch input",Y=".assignfeedback_editpdf_commentsearch ul",R=".navigate-page-select",X=".loading",L=".progress-info.progress-striped",P=".drawingregion",j=".drawingcanvas",O=".commentcolourbutton",B=".annotationcolourbutton",H=".warningmessages",J=".infoicon",F='input[name="assignfeedback_editpdf_haschanges"]',V=".currentstampbutton",G='[data-region="user-info"]',K=".rotateleftbutton",W=".rotaterightbutton",U="rgba(200, 200, 255, 0.9)",$="rgba(200, 200, 255, 0.5)",Q="rgb(51, 51, 51)",Z={white:"rgb(255,255,255)",yellow:"rgb(255,236,174)",red:"rgb(249,181,179)",green:"rgb(214,234,178)",blue:"rgb(203,217,237)",clear:"rgba(255,255,255, 0)"},tt={white:"rgb(255,255,255)",yellow:"rgb(255,207,53)",red:"rgb(239,69,64)",green:"rgb(152,202,62)",blue:"rgb(125,159,211)",black:"rgb(51,51,51)"},et=300,it={comment:".commentbutton",pen:".penbutton",line:".linebutton",rectangle:".rectanglebutton",oval:".ovalbutton",stamp:".stampbutton",select:".selectbutton",drag:".dragbutton",highlight:".highlightbutton"},st=4,nt=function(t,e){this.x=parseInt(t,10),this.y=parseInt(e,10),this.clip=function(t){return this.x<t.x&&(this.x=t.x),this.x>t.x+t.width&&(this.x=t.x+t.width),this.y<t.y&&(this.y=t.y),this.y>t.y+t.height&&(this.y=t.y+t.height),this}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.point=nt,e=function(t,e,i,s){this.x=t,this.y=e,this.width=i,this.height=s,this.bound=function(t){var e,i=0,s=0,n=0,a=0,o=0;for(o=0;o<t.length;o++)((e=t[o]).x<i||0===o)&&(i=e.x),(e.x>s||0===o)&&(s=e.x),(e.y<n||0===o)&&(n=e.y),(e.y>a||0===o)&&(a=e.y);return this.x=i,this.y=n,this.width=s-i,this.height=a-n,this},this.has_min_width=function(){return 5<=this.width},this.has_min_height=function(){return 5<=this.height},this.set_min_width=function(){this.width=5},this.set_min_height=function(){this.height=5}},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.rect=e,i=function(){this.start=!1,this.end=!1,this.starttime=0,this.annotationstart=!1,this.tool="drag",this.commentcolour="yellow",this.annotationcolour="red",this.stamp="",this.path=[]},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.edit=i,s=function(t){this.editor=t,this.shapes=[],this.nodes=[],this.erase=function(){if(this.shapes)for(;0<this.shapes.length;)this.editor.graphic.removeShape(this.shapes.pop());if(this.nodes)for(;0<this.nodes.length;)this.nodes.pop().remove()},this.scroll_update=function(t,e){var i,s,n;for(i=0;i<this.nodes.length;i++)s=this.nodes[i].getData("x"),n=this.nodes[i].getData("y"),s!==undefined&&n!==undefined&&(this.nodes[i].setX(parseInt(s,10)-t),this.nodes[i].setY(parseInt(n,10)-e))},this.store_position=function(t,e,i){var s,n,a;s=this.editor.get_dialogue_element(P),n=parseInt(s.get("scrollLeft"),10),a=parseInt(s.get("scrollTop"),10),t.setData("x",e+n),t.setData("y",i+a)}},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.drawable=s,(n=function(t){n.superclass.constructor.apply(this,[t])}).NAME="annotation",n.ATTRS={},u.extend(n,u.Base,{editor:null,gradeid:0,pageno:0,x:0,y:0,endx:0,endy:0,path:"",type:"rect",colour:"red",drawable:!1,initializer:function(t){this.editor=t.editor||null,this.gradeid=parseInt(t.gradeid,10)||0,this.pageno=parseInt(t.pageno,10)||0,this.x=parseInt(t.x,10)||0,this.y=parseInt(t.y,10)||0,this.endx=parseInt(t.endx,10)||0,this.endy=parseInt(t.endy,10)||0,this.path=t.path||"",this.type=t.type||"rect",this.colour=t.colour||"red",this.drawable=!1},clean:function(){return{gradeid:this.gradeid,x:parseInt(this.x,10),y:parseInt(this.y,10),endx:parseInt(this.endx,10),endy:parseInt(this.endy,10),type:this.type,path:this.path,pageno:this.pageno,colour:this.colour}},draw_highlight:function(){var t,e,i,s,n=this.editor.get_dialogue_element(P),a=this.editor.get_dialogue_element(j).getXY();return this.editor.currentannotation===this&&((t=new M.assignfeedback_editpdf.rect).bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),e=this.editor.graphic.addShape({type:u.Rect,width:t.width,height:t.height,stroke:{weight:st,color:U},fill:{color:$},x:t.x,y:t.y}),this.drawable.shapes.push(e),i=u.Node.create('<img src="'+M.util.image_url("trash","assignfeedback_editpdf")+'"/>'),s=u.Node.create('<a href="#" role="button"></a>'),i.setAttrs({alt:M.util.get_string("deleteannotation","assignfeedback_editpdf")}),i.setStyles({backgroundColor:"white"}),s.addClass("deleteannotationbutton"),s.append(i),n.append(s),s.setData("annotation",this),s.on("click",this.remove,this),s.on("key",this.remove,"space,enter",this),s.setX(a[0]+t.x+t.width-18),s.setY(a[1]+t.y+6),this.drawable.nodes.push(s)),this.drawable},draw:function(){return this.draw_highlight(),this.drawable},remove:function(t){var e,i;for(t.preventDefault(),e=this.editor.pages[this.editor.currentpage].annotations,i=0;i<e.length;i++)if(e[i]===this)return e.splice(i,1),this.drawable&&this.drawable.erase(),this.editor.currentannotation=!1,void this.editor.save_current_page()},move:function(t,e){var i,s,n,a,o,r=t-this.x,d=e-this.y;this.x+=r,this.y+=d,this.endx+=r,this.endy+=d,this.path&&(i=[],s=this.path.split(":"),u.each(s,function(t){n=t.split(","),a=parseInt(n[0],10),o=parseInt(n[1],10),i.push(a+r+","+(o+d))}),this.path=i.join(":")),this.drawable&&this.drawable.erase(),this.editor.drawables.push(this.draw())},draw_current_edit:function(t){return t&&!1},init_from_edit:function(t){var e=new M.assignfeedback_editpdf.rect;return e.bound([t.start,t.end]),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,
-this.x=e.x,this.y=e.y,this.endx=e.x+e.width,this.endy=e.y+e.height,this.colour=t.annotationcolour,this.path="",e.has_min_width()&&e.has_min_height()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotation=n,(a=function(t){a.superclass.constructor.apply(this,[t])}).NAME="annotationline",a.ATTRS={},u.extend(a,M.assignfeedback_editpdf.annotation,{draw:function(){var t,e;return t=new M.assignfeedback_editpdf.drawable(this.editor),(e=this.editor.graphic.addShape({type:u.Path,fill:!1,stroke:{weight:st,color:tt[this.colour]}})).moveTo(this.x,this.y),e.lineTo(this.endx,this.endy),e.end(),t.shapes.push(e),this.drawable=t,a.superclass.draw.apply(this)},draw_current_edit:function(t){var e,i=new M.assignfeedback_editpdf.drawable(this.editor);return(e=this.editor.graphic.addShape({type:u.Path,fill:!1,stroke:{weight:st,color:tt[t.annotationcolour]}})).moveTo(t.start.x,t.start.y),e.lineTo(t.end.x,t.end.y),e.end(),i.shapes.push(e),i},init_from_edit:function(t){return this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.start.x,this.y=t.start.y,this.endx=t.end.x,this.endy=t.end.y,this.colour=t.annotationcolour,this.path="",!(this.endx-this.x==0&&this.endy-this.y==0)}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationline=a,(o=function(t){o.superclass.constructor.apply(this,[t])}).NAME="annotationrectangle",o.ATTRS={},u.extend(o,M.assignfeedback_editpdf.annotation,{draw:function(){var t,e,i;return t=new M.assignfeedback_editpdf.drawable(this.editor),(e=new M.assignfeedback_editpdf.rect).bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),i=this.editor.graphic.addShape({type:u.Rect,width:e.width,height:e.height,stroke:{weight:st,color:tt[this.colour]},x:e.x,y:e.y}),t.shapes.push(i),this.drawable=t,o.superclass.draw.apply(this)},draw_current_edit:function(t){var e,i,s=new M.assignfeedback_editpdf.drawable(this.editor);return(i=new M.assignfeedback_editpdf.rect).bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),i.has_min_height()||i.set_min_height(),e=this.editor.graphic.addShape({type:u.Rect,width:i.width,height:i.height,stroke:{weight:st,color:tt[t.annotationcolour]},x:i.x,y:i.y}),s.shapes.push(e),s}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationrectangle=o,(r=function(t){r.superclass.constructor.apply(this,[t])}).NAME="annotationoval",r.ATTRS={},u.extend(r,M.assignfeedback_editpdf.annotation,{draw:function(){var t,e,i;return t=new M.assignfeedback_editpdf.drawable(this.editor),(e=new M.assignfeedback_editpdf.rect).bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),i=this.editor.graphic.addShape({type:u.Ellipse,width:e.width,height:e.height,stroke:{weight:st,color:tt[this.colour]},x:e.x,y:e.y}),t.shapes.push(i),this.drawable=t,r.superclass.draw.apply(this)},draw_current_edit:function(t){var e,i,s=new M.assignfeedback_editpdf.drawable(this.editor);return(i=new M.assignfeedback_editpdf.rect).bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),i.has_min_height()||i.set_min_height(),e=this.editor.graphic.addShape({type:u.Ellipse,width:i.width,height:i.height,stroke:{weight:st,color:tt[t.annotationcolour]},x:i.x,y:i.y}),s.shapes.push(e),s}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationoval=r,(d=function(t){d.superclass.constructor.apply(this,[t])}).NAME="annotationpen",d.ATTRS={},u.extend(d,M.assignfeedback_editpdf.annotation,{draw:function(){var t,e,i,s,n;return t=new M.assignfeedback_editpdf.drawable(this.editor),e=this.editor.graphic.addShape({type:u.Path,fill:!1,stroke:{weight:st,color:tt[this.colour]}}),i=!0,s=this.path.split(":"),u.each(s,function(t){n=t.split(","),i?(e.moveTo(n[0],n[1]),i=!1):e.lineTo(n[0],n[1])},this),e.end(),t.shapes.push(e),this.drawable=t,d.superclass.draw.apply(this)},draw_current_edit:function(t){var e,i,s=new M.assignfeedback_editpdf.drawable(this.editor);return e=this.editor.graphic.addShape({type:u.Path,fill:!1,stroke:{weight:st,color:tt[t.annotationcolour]}}),i=!0,u.each(t.path,function(t){i?(e.moveTo(t.x,t.y),i=!1):e.lineTo(t.x,t.y)},this),e.end(),s.shapes.push(e),s},init_from_edit:function(t){var e=new M.assignfeedback_editpdf.rect,i=[],s=0;for(e.bound(t.path),s=0;s<t.path.length;s++)i.push(parseInt(t.path[s].x,10)+","+parseInt(t.path[s].y,10));return this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=e.y,this.endx=e.x+e.width,this.endy=e.y+e.height,this.colour=t.annotationcolour,this.path=i.join(":"),e.has_min_width()||e.has_min_height()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationpen=d,(c=function(t){c.superclass.constructor.apply(this,[t])}).NAME="annotationhighlight",c.ATTRS={},u.extend(c,M.assignfeedback_editpdf.annotation,{draw:function(){var t,e,i,s;return t=new M.assignfeedback_editpdf.drawable(this.editor),(i=new M.assignfeedback_editpdf.rect).bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),s=(s=(s=tt[this.colour]).replace("rgb","rgba")).replace(")",",0.5)"),e=this.editor.graphic.addShape({type:u.Rect,width:i.width,height:i.height,stroke:!1,fill:{color:s},x:i.x,y:i.y}),t.shapes.push(e),this.drawable=t,c.superclass.draw.apply(this)},draw_current_edit:function(t){var e,i,s,n=new M.assignfeedback_editpdf.drawable(this.editor);return(i=new M.assignfeedback_editpdf.rect).bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),s=(s=(s=tt[t.annotationcolour]).replace("rgb","rgba")).replace(")",
-",0.5)"),e=this.editor.graphic.addShape({type:u.Rect,width:i.width,height:20,stroke:!1,fill:{color:s},x:i.x,y:t.start.y-10}),n.shapes.push(e),n},init_from_edit:function(t){var e=new M.assignfeedback_editpdf.rect;return e.bound([t.start,t.end]),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=t.start.y-10,this.endx=e.x+e.width,this.endy=t.start.y+10,this.colour=t.annotationcolour,this.page="",e.has_min_width()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationhighlight=c,(h=function(t){h.superclass.constructor.apply(this,[t])}).NAME="annotationstamp",h.ATTRS={},u.extend(h,M.assignfeedback_editpdf.annotation,{draw:function(){var t,e,i=new M.assignfeedback_editpdf.drawable(this.editor),s=this.editor.get_dialogue_element(j);return e=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x,this.y)),(t=u.Node.create("<div/>")).addClass("annotation"),t.addClass("stamp"),t.setStyles({position:"absolute",display:"inline-block",backgroundImage:"url("+this.editor.get_stamp_image_url(this.path)+")",width:this.endx-this.x,height:this.endy-this.y,backgroundSize:"100% 100%"}),s.append(t),t.setX(e.x),t.setY(e.y),i.store_position(t,e.x,e.y),this.editor.get("readonly")||(t.on("gesturemovestart",this.editor.edit_start,null,this.editor),t.on("gesturemove",this.editor.edit_move,null,this.editor),t.on("gesturemoveend",this.editor.edit_end,null,this.editor)),i.nodes.push(t),this.drawable=i,h.superclass.draw.apply(this)},draw_current_edit:function(t){var e,i,s=new M.assignfeedback_editpdf.rect,n=new M.assignfeedback_editpdf.drawable(this.editor),a=this.editor.get_dialogue_element(P);return s.bound([t.start,t.end]),i=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(s.x,s.y)),(e=u.Node.create("<div/>")).addClass("annotation"),e.addClass("stamp"),e.setStyles({position:"absolute",display:"inline-block",backgroundImage:"url("+this.editor.get_stamp_image_url(t.stamp)+")",width:s.width,height:s.height,backgroundSize:"100% 100%"}),a.append(e),e.setX(i.x),e.setY(i.y),n.store_position(e,i.x,i.y),n.nodes.push(e),n},init_from_edit:function(t){var e=new M.assignfeedback_editpdf.rect;return e.bound([t.start,t.end]),e.width<40&&(e.width=40),e.height<40&&(e.height=40),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=e.y,this.endx=e.x+e.width,this.endy=e.y+e.height,this.colour=t.annotationcolour,this.path=t.stamp,!0},move:function(t,e){var i=t-this.x,s=e-this.y;this.x+=i,this.y+=s,this.endx+=i,this.endy+=s,this.drawable&&this.drawable.erase(),this.editor.drawables.push(this.draw())}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationstamp=h,l="Dropdown menu",g=function(t){t.draggable=!1,t.centered=!1,t.width="auto",t.visible=!1,t.footerContent="",g.superclass.constructor.apply(this,[t])},u.extend(g,M.core.dialogue,{initializer:function(t){var e,i,s;g.superclass.initializer.call(this,t),this.get("boundingBox").addClass("assignfeedback_editpdf_dropdown"),e=this.get("buttonNode"),i=this.bodyNode,(s=u.Node.create("<h3/>")).addClass("accesshide"),s.setHTML(this.get("headerText")),i.prepend(s),i.on("clickoutside",function(t){this.get("visible")&&t.target.get("id")!==e.get("id")&&t.target.ancestor().get("id")!==e.get("id")&&(t.preventDefault(),this.hide())},this),e.on("click",function(t){t.preventDefault(),this.show()},this),e.on("key",this.show,"enter,space",this)},show:function(){var t=this.get("buttonNode"),e=g.superclass.show.call(this);return this.align(t,[u.WidgetPositionAlign.TL,u.WidgetPositionAlign.BL]),e}},{NAME:l,ATTRS:{headerText:{value:""},buttonNode:{value:null}}}),u.Base.modifyAttrs(g,{modal:{getter:function(){return!1}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.dropdown=g,p="Colourpicker",f=function(t){f.superclass.constructor.apply(this,[t])},u.extend(f,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var e,r=u.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>');u.each(this.get("colours"),function(t,e){var i,s,n,a,o;n=M.util.get_string(e,"assignfeedback_editpdf"),o=this.get("iconprefix")+e,a=M.util.image_url(o,"assignfeedback_editpdf"),(i=u.Node.create('<button><img alt="'+n+'" src="'+a+'"/></button>')).setAttribute("data-colour",e),i.setAttribute("data-rgb",t),i.setStyle("backgroundImage","none"),(s=u.Node.create("<li/>")).append(i),r.append(s)},this),e=u.Node.create("<div/>"),r.delegate("click",this.callback_handler,"button",this),r.delegate("key",this.callback_handler,"down:13","button",this),this.set("headerText",M.util.get_string("colourpicker","assignfeedback_editpdf")),e.append(r),this.set("bodyContent",e),f.superclass.initializer.call(this,t)},callback_handler:function(t){t.preventDefault();var e=this.get("callback"),i=this.get("context");this.hide(),u.bind(e,i,t)()}},{NAME:p,ATTRS:{colours:{value:{}},callback:{value:null},context:{value:null},iconprefix:{value:"colour_"}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.colourpicker=f,_="Colourpicker",m=function(t){m.superclass.constructor.apply(this,[t])},u.extend(m,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var n=u.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>');u.each(this.get("stamps"),function(t){var e,i,s;s=M.util.get_string("stamp","assignfeedback_editpdf"),(e=u.Node.create('<button><img height="16" width="16" alt="'+s+'" src="'+t+'"/></button>')).setAttribute("data-stamp",t),e.setStyle("backgroundImage","none"),(i=u.Node.create("<li/>")).append(e),n.append(i)},this),n.delegate("click",this.callback_handler,"button",this),n.delegate("key",this.callback_handler,"down:13","button",this),this.set("headerText",M.util.get_string("stamppicker","assignfeedback_editpdf")),this.set("bodyContent",n),m.superclass.initializer.call(this,t)},callback_handler:function(t){t.preventDefault();var e=this.get("callback"),
-i=this.get("context");this.hide(),u.bind(e,i,t)()}},{NAME:_,ATTRS:{stamps:{value:[]},callback:{value:null},context:{value:null}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.stamppicker=m,b="Commentmenu",w=function(t){w.superclass.constructor.apply(this,[t])},u.extend(w,M.assignfeedback_editpdf.dropdown,{initializer:function(t){var e,i,s,n;n=this.get("comment"),e=u.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>'),(i=u.Node.create('<li><a tabindex="-1" href="#">'+M.util.get_string("addtoquicklist","assignfeedback_editpdf")+"</a></li>")).on("click",n.add_to_quicklist,n),i.on("key",n.add_to_quicklist,"enter,space",n),e.append(i),(i=u.Node.create('<li><a tabindex="-1" href="#">'+M.util.get_string("deletecomment","assignfeedback_editpdf")+"</a></li>")).on("click",function(t){t.preventDefault(),this.menu.hide(),this.remove()},n),i.on("key",function(){n.menu.hide(),n.remove()},"enter,space",n),e.append(i),i=u.Node.create("<li><hr/></li>"),e.append(i),this.set("headerText",M.util.get_string("commentcontextmenu","assignfeedback_editpdf")),(s=u.Node.create("<div/>")).append(e),this.set("bodyContent",s),w.superclass.initializer.call(this,t)},show:function(){var n,a=this.get("boundingBox").one("ul");a.all(".quicklist_comment").remove(!0),(n=this.get("comment")).deleteme=!1,u.each(n.editor.quicklist.comments,function(t){var e=u.Node.create('<li class="quicklist_comment"></li>'),i=u.Node.create('<a href="#" tabindex="-1">'+t.rawtext+"</a>"),s=u.Node.create('<a href="#" tabindex="-1" class="delete_quicklist_comment"><img src="'+M.util.image_url("t/delete","core")+'" alt="'+M.util.get_string("deletecomment","assignfeedback_editpdf")+'"/></a>');i.setAttribute("title",t.rawtext),e.append(i),e.append(s),a.append(e),e.on("click",n.set_from_quick_comment,n,t),e.on("key",n.set_from_quick_comment,"space,enter",n,t),s.on("click",n.remove_from_quicklist,n,t),s.on("key",n.remove_from_quicklist,"space,enter",n,t)},this),w.superclass.show.call(this)}},{NAME:b,ATTRS:{comment:{value:null}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.commentmenu=w,k="commentsearch",y=function(t){t.draggable=!1,t.centered=!0,t.width="400px",t.visible=!1,t.headerContent=M.util.get_string("searchcomments","assignfeedback_editpdf"),t.footerContent="",y.superclass.constructor.apply(this,[t])},u.extend(y,M.core.dialogue,{initializer:function(t){var e,i,s,n;this.get("boundingBox").addClass("assignfeedback_editpdf_commentsearch"),this.get("editor"),e=u.Node.create("<div/>"),i=M.util.get_string("filter","assignfeedback_editpdf"),s=u.Node.create('<input type="text" size="20" placeholder="'+i+'"/>'),e.append(s),n=u.Node.create('<ul role="menu" class="assignfeedback_editpdf_search"/>'),e.append(n),s.on("keyup",this.filter_search_comments,this),n.delegate("click",this.focus_on_comment,"a",this),n.delegate("key",this.focus_on_comment,"enter,space","a",this),this.set("bodyContent",e),y.superclass.initializer.call(this,t)},filter_search_comments:function(){var t,e,i,s;s=this.get("id"),t=u.one("#"+s+E),e=u.one("#"+s+Y),i=t.get("value"),e.all("li").each(function(t){-1!==t.get("text").indexOf(i)?t.show():t.hide()})},focus_on_comment:function(t){t.preventDefault();var e=t.target.ancestor("li").getData("comment"),i=this.get("editor");this.hide(),e.pageno=e.clean().pageno,e.pageno!==i.currentpage&&(i.currentpage=e.pageno,i.change_page()),e.node=e.drawable.nodes[0].one("textarea"),e.node.ancestor("div").removeClass("commentcollapsed"),e.node.focus()},show:function(){var i=this.get("boundingBox").one("ul"),t=this.get("editor");i.all("li").remove(!0),u.each(t.pages,function(t){u.each(t.comments,function(t){var e=u.Node.create('<li><a href="#" tabindex="-1"><pre>'+t.rawtext+"</pre></a></li>");i.append(e),e.setData("comment",t)},this)},this),this.centerDialogue(),y.superclass.show.call(this)}},{NAME:k,ATTRS:{editor:{value:null}}}),u.Base.modifyAttrs(y,{modal:{getter:function(){return!0}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.commentsearch=y,v=function(h,t,e,i,s,n,a,o){this.editor=h,this.gradeid=t||0,this.x=parseInt(i,10)||0,this.y=parseInt(s,10)||0,this.width=parseInt(n,10)||0,this.rawtext=o||"",this.pageno=e||0,this.colour=a||"yellow",this.drawable=!1,this.deleteme=!1,this.menulink=null,this.menu=null,this.clean=function(){return{gradeid:this.gradeid,x:parseInt(this.x,10),y:parseInt(this.y,10),width:parseInt(this.width,10),rawtext:this.rawtext,pageno:parseInt(this.pageno,10),colour:this.colour}},this.draw=function(t){var e,i,s,n,a,o,r,d=new M.assignfeedback_editpdf.drawable(this.editor),c=this.editor.get_dialogue_element(j);return e=u.Node.create("<textarea/>"),i=u.Node.create('<div class="commentdrawable"/>'),s=u.Node.create("<label/>"),n=u.Node.create('<svg xmlns="http://www.w3.org/2000/svg" viewBox="-0.5 -0.5 13 13" preserveAspectRatio="xMinYMin meet"><path d="M11 0H1C.4 0 0 .4 0 1v6c0 .6.4 1 1 1h1v4l4-4h5c.6 0 1-.4 1-1V1c0-.6-.4-1-1-1z" fill="currentColor" opacity="0.9" stroke="rgb(153, 153, 153)" stroke-width="0.5"/></svg>'),a=u.Node.create('<a href="#"><img src="'+M.util.image_url("t/contextmenu","core")+'"/></a>'),this.menulink=a,i.append(s),s.append(e),i.append(n),i.setAttribute("tabindex","-1"),s.setAttribute("tabindex","0"),e.setAttribute("tabindex","-1"),a.setAttribute("tabindex","0"),this.editor.get("readonly")?e.setAttribute("readonly","readonly"):i.append(a),this.width<100&&(this.width=100),o=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x,this.y)),e.setStyles({width:this.width+"px",backgroundColor:Z[this.colour],color:Q}),c.append(i),i.setStyle("position","absolute"),i.setX(o.x),i.setY(o.y),d.store_position(i,o.x,o.y),d.nodes.push(i),e.set("value",this.rawtext),r=e.get("scrollHeight"),e.setStyles({height:r+"px",overflow:"hidden"}),n.setStyle("color",Z[this.colour]),this.attach_events(e,a),t?e.focus():h.collapsecomments&&i.addClass("commentcollapsed"),this.drawable=d},
-this.delete_comment_later=function(){this.deleteme&&this.remove()},this.attach_events=function(o,e){var r=o.ancestor("div"),t=o.ancestor("label"),i=t.next("svg");o.collapse=function(t){o.collapse.delay=u.later(t,o,function(){h.collapsecomments&&r.addClass("commentcollapsed")})},o.expand=function(){!0!==o.getData("dragging")&&(o.collapse.delay&&o.collapse.delay.cancel(),r.removeClass("commentcollapsed"))},r.on("mouseenter",function(){"comment"!==h.currentedit.tool&&"select"!==h.currentedit.tool&&!this.editor.get("readonly")||o.expand()},this),r.on("click|tap",function(){o.expand(),o.focus()},this),o.on("keyup",function(t){9===t.keyCode&&t.shiftKey&&"0"===e.getAttribute("tabindex")&&e.focus(),e.setAttribute("tabindex","0")},this),e.on("keydown",function(t){9===t.keyCode&&t.shiftKey&&e.setAttribute("tabindex","-1")},this),t.on("focus",function(){o.active=!0,o.collapse.delay&&o.collapse.delay.cancel(),o.setAttribute("tabindex","0"),o.expand(),o.focus(),t.setAttribute("tabindex","-1")},this),e.on("focus",function(){o.active=!0,o.collapse.delay&&o.collapse.delay.cancel(),this.deleteme=!1,t.setAttribute("tabindex","0")},this),o.on("blur",function(){o.setAttribute("tabindex","-1")},this),t.on("blur",function(){t.setAttribute("tabindex","0")},this),r.on("mouseleave",function(){h.collapsecomments&&!0!==o.active&&o.collapse(400)},this),r.on("blur",function(){o.active=!1,o.collapse(800)},this),this.editor.get("readonly")||(o.on("blur",function(){this.rawtext=o.get("value"),this.width=parseInt(o.getStyle("width"),10),""===this.rawtext.replace(/^\s+|\s+$/g,"")&&(this.deleteme=!0,u.later(400,this,this.delete_comment_later)),this.editor.save_current_page(),this.editor.editingcomment=!1},this),e.setData("comment",this),o.on("keyup",function(){o.setStyle("height","auto");var t=o.get("scrollHeight");t===parseInt(o.getStyle("height"),10)+8&&(t-=8),o.setStyle("height",t+"px")}),o.on("gesturemovestart",function(t){"select"===h.currentedit.tool&&(t.preventDefault(),h.collapsecomments?(o.setData("offsetx",8),o.setData("offsety",8)):(o.setData("offsetx",t.clientX-r.getX()),o.setData("offsety",t.clientY-r.getY())))}),o.on("gesturemove",function(t){if("select"===h.currentedit.tool){var e,i,s,n=t.clientX-o.getData("offsetx"),a=t.clientY-o.getData("offsety");!0!==o.getData("dragging")&&(o.collapse(0),o.setData("dragging",!0)),e=this.editor.get_canvas_coordinates(new M.assignfeedback_editpdf.point(n,a)),(s=this.editor.get_canvas_bounds(!0)).x=0,s.y=0,s.width-=24,s.height-=24,e.clip(s),this.x=e.x,this.y=e.y,i=this.editor.get_window_coordinates(e),r.setX(i.x),r.setY(i.y),this.drawable.store_position(r,i.x,i.y)}},null,this),o.on("gesturemoveend",function(){"select"===h.currentedit.tool&&(!0===o.getData("dragging")&&o.setData("dragging",!1),this.editor.save_current_page())},null,this),i.on("gesturemovestart",function(t){"select"===h.currentedit.tool&&(t.preventDefault(),o.setData("offsetx",t.clientX-r.getX()),o.setData("offsety",t.clientY-r.getY()),o.expand())}),i.on("gesturemove",function(t){if("select"===h.currentedit.tool){var e,i,s,n=t.clientX-o.getData("offsetx"),a=t.clientY-o.getData("offsety");!0!==o.getData("dragging")&&(o.collapse(100),o.setData("dragging",!0)),e=this.editor.get_canvas_coordinates(new M.assignfeedback_editpdf.point(n,a)),(s=this.editor.get_canvas_bounds(!0)).x=0,s.y=0,s.width-=24,s.height-=24,e.clip(s),this.x=e.x,this.y=e.y,i=this.editor.get_window_coordinates(e),r.setX(i.x),r.setY(i.y),this.drawable.store_position(r,i.x,i.y)}},null,this),i.on("gesturemoveend",function(){"select"===h.currentedit.tool&&(!0===o.getData("dragging")&&o.setData("dragging",!1),this.editor.save_current_page())},null,this),this.menu=new M.assignfeedback_editpdf.commentmenu({buttonNode:this.menulink,comment:this}))},this.remove=function(){var t=0,e=this.editor.pages[this.editor.currentpage].comments;for(t=0;t<e.length;t++)if(e[t]===this)return e.splice(t,1),this.drawable.erase(),void this.editor.save_current_page()},this.remove_from_quicklist=function(t,e){t.preventDefault(),t.stopPropagation(),this.menu.hide(),this.editor.quicklist.remove(e)},this.set_from_quick_comment=function(t,e){t.preventDefault(),this.menu.hide(),this.deleteme=!1,this.rawtext=e.rawtext,this.width=e.width,this.colour=e.colour,this.editor.save_current_page(),this.editor.redraw(),this.node=this.drawable.nodes[0].one("textarea"),this.node.ancestor("div").removeClass("commentcollapsed"),this.node.focus()},this.add_to_quicklist=function(t){t.preventDefault(),this.menu.hide(),this.editor.quicklist.add(this)},this.draw_current_edit=function(t){var e,i,s=new M.assignfeedback_editpdf.drawable(this.editor);return(i=new M.assignfeedback_editpdf.rect).bound([t.start,t.end]),e=this.editor.graphic.addShape({type:u.Rect,width:i.width,height:i.height,fill:{color:Z[t.commentcolour]},x:i.x,y:i.y}),s.shapes.push(e),s},this.init_from_edit=function(t){var e=new M.assignfeedback_editpdf.rect;return e.bound([t.start,t.end]),e.width<100&&(e.width=100),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=e.y,this.width=e.width,this.colour=t.commentcolour,this.rawtext="",e.has_min_width()&&e.has_min_height()},this.updatePosition=function(){var t=this.drawable.nodes[0].one("textarea"),e=t.ancestor("div"),i=new M.assignfeedback_editpdf.point(this.x,this.y),s=this.editor.get_window_coordinates(i);e.setX(s.x),e.setY(s.y),this.drawable.store_position(e,s.x,s.y)}},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.comment=v,x=function(t,e,i,s){this.rawtext=e||"",this.id=t||0,this.width=i||100,this.colour=s||"yellow"},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.quickcomment=x,S=function(t){this.editor=t,this.comments=[],this.add=function(t){var e,i=N;""!==t.rawtext&&(e={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"addtoquicklist",userid:this.editor.get("userid"),commenttext:t.rawtext,width:t.width,colour:t.colour,attemptnumber:this.editor.get(
-"attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(t,e){var i,s;try{if((i=u.JSON.parse(e.responseText)).error)return new M.core.ajaxException(i);s=new M.assignfeedback_editpdf.quickcomment(i.id,i.rawtext,i.width,i.colour),this.comments.push(s),this.comments.sort(function(t,e){return t.rawtext.localeCompare(e.rawtext)})}catch(n){return new M.core.exception(n)}},failure:function(t,e){return M.core.exception(e.responseText)}}},u.io(i,e))},this.remove=function(e){var t,i=N;e&&(t={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"removefromquicklist",userid:this.editor.get("userid"),commentid:e.id,attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(){var t;0<=(t=this.comments.indexOf(e))&&this.comments.splice(t,1)},failure:function(t,e){return M.core.exception(e.responseText)}}},u.io(i,t))},this.load=function(){var t,e=N;t={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"loadquicklist",userid:this.editor.get("userid"),attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(t,e){var i;try{if((i=u.JSON.parse(e.responseText)).error)return new M.core.ajaxException(i);u.each(i,function(t){var e=new M.assignfeedback_editpdf.quickcomment(t.id,t.rawtext,t.width,t.colour);this.comments.push(e)},this),this.comments.sort(function(t,e){return t.rawtext.localeCompare(e.rawtext)})}catch(s){return new M.core.exception(s)}},failure:function(t,e){return M.core.exception(e.responseText)}}},u.io(e,t)}},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.quickcommentlist=S,(A=function(){A.superclass.constructor.apply(this,arguments)}).prototype={oldannotationcoordinates:null,dialogue:null,panel:null,pagecount:0,currentpage:0,pages:[],documentstatus:0,loadingicon:null,pageimage:null,graphic:null,currentedit:new M.assignfeedback_editpdf.edit,currentdrawable:!1,drawables:[],currentcomment:null,currentannotation:null,lastannotation:null,lastannotationtool:"pen",quicklist:null,searchcommentswindow:null,currentstamp:null,stamps:[],editingcomment:!1,collapsecomments:!0,initializer:function(){var s;(s=u.one("#"+this.get("linkid")))&&(s.on("click",this.link_handler,this),s.on("key",this.link_handler,"down:13",this),require(["mod_assign/grading_review_panel"],function(t){var e=new t,i=e.getReviewPanel("assignfeedback_editpdf");i&&((i=u.one(i)).empty(),s.ancestor(".fitem").hide(),this.open_in_panel(i)),this.currentedit.start=!1,this.currentedit.end=!1,this.get("readonly")||(this.quicklist=new M.assignfeedback_editpdf.quickcommentlist(this))}.bind(this)))},refresh_button_state:function(){var t,e,i,s,n;switch(t=this.get_dialogue_element(O),i=M.util.image_url("background_colour_"+this.currentedit.commentcolour,"assignfeedback_editpdf"),t.one("img").setAttribute("src",i),"clear"===this.currentedit.commentcolour?t.one("img").setStyle("borderStyle","dashed"):t.one("img").setStyle("borderStyle","solid"),t=this.get_dialogue_element(B),i=M.util.image_url("colour_"+this.currentedit.annotationcolour,"assignfeedback_editpdf"),t.one("img").setAttribute("src",i),(e=this.get_dialogue_element(it[this.currentedit.tool])).addClass("assignfeedback_editpdf_selectedbutton"),e.setAttribute("aria-pressed","true"),this.get_dialogue_element(P).setAttribute("data-currenttool",this.currentedit.tool),t=this.get_dialogue_element(V),s=this.get_stamp_image_url(this.currentedit.stamp),t.one("img").setAttrs({src:s,height:"16",width:"16"}),n=this.get_dialogue_element(j),this.currentedit.tool){case"drag":n.setStyle("cursor","move");break;case"highlight":n.setStyle("cursor","text");break;case"select":n.setStyle("cursor","default");break;case"stamp":n.setStyle("cursor","url("+s+"), crosshair");break;default:n.setStyle("cursor","crosshair")}},get_canvas_bounds:function(){var t=this.get_dialogue_element(j),e=t.getXY(),i=e[0],s=e[1],n=parseInt(t.getStyle("width"),10),a=parseInt(t.getStyle("height"),10);return new M.assignfeedback_editpdf.rect(i,s,n,a)},get_canvas_coordinates:function(t){var e=this.get_canvas_bounds(),i=new M.assignfeedback_editpdf.point(t.x-e.x,t.y-e.y);return e.x=e.y=0,i.clip(e),i},get_window_coordinates:function(t){var e=this.get_canvas_bounds();return new M.assignfeedback_editpdf.point(t.x+e.x,t.y+e.y)},open_in_panel:function(t){var e;(this.panel=t).append(this.get("body")),t.addClass(T),this.loadingicon=this.get_dialogue_element(X),e=this.get_dialogue_element(j),this.graphic=new u.Graphic({render:e}),this.get("readonly")||(e.on("gesturemovestart",this.edit_start,null,this),e.on("gesturemove",this.edit_move,null,this),e.on("gesturemoveend",this.edit_end,null,this),this.refresh_button_state()),this.start_generation()},link_handler:function(t){var e,i=!0;t.preventDefault(),this.dialogue||(this.dialogue=new M.core.dialogue({headerContent:this.get("header"),bodyContent:this.get("body"),footerContent:this.get("footer"),modal:!0,width:"840px",visible:!1,draggable:!0}),this.dialogue.get("boundingBox").addClass(T),this.loadingicon=this.get_dialogue_element(X),e=this.get_dialogue_element(j),this.graphic=new u.Graphic({render:e}),this.get("readonly")||(e.on("gesturemovestart",this.edit_start,null,this),e.on("gesturemove",this.edit_move,null,this),e.on("gesturemoveend",this.edit_end,null,this),this.refresh_button_state()),this.start_generation(),e.on("windowresize",this.resize,this),i=!1),this.dialogue.centerDialogue(),this.dialogue.show(),this.dialogue.dd.on("drag:end",this.redraw,this),i&&this.resize()},start_generation:function(){this.poll_document_conversion_status()},poll_document_conversion_status:function(){var o=this.get("userid");u.io(N,{method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"pollconversions",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),readonly:this.get("readonly")?1:0},on:{success:function(t,e){var i,s,n,a=u.one(G);a&&(
-i=a.getAttribute("data-userid"))&&i!=o||(n=!1,(s=this.handle_response_data(e))&&(this.documentstatus=s.status,0===s.status||1===s.status||3===s.status?n=!0:2!==s.status&&-1!==s.status||(this.pagecount=s.pagecount,s.pageready==s.pagecount?this.prepare_pages_for_display(s):(this.update_page_load_progress(),this.start_document_to_image_conversion())),n&&u.later(1e3,this,this.poll_document_conversion_status)))},failure:function(t,e){return new M.core.exception(e.responseText)}}})},start_document_to_image_conversion:function(){u.io(N,{method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"pollconversions",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),readonly:this.get("readonly")?1:0},on:{success:function(t,e){var i=this.handle_response_data(e);i&&(this.documentstatus=i.status,2===i.status&&this.prepare_pages_for_display(i))},failure:function(t,e){return new M.core.exception(e.responseText)}}})},warning:function(t,e){var i,s=this.get_dialogue_element(J),n=this.get_dialogue_element(H),a=15,o=1,r="assignfeedback_editpdf_warningmessages alert alert-warning";e&&(a=4,r="assignfeedback_editpdf_warningmessages alert alert-info"),(i=u.Node.create('<div class="'+r+'" role="alert"></div>')).append(s.one("*").cloneNode()),i.append(t),n.prepend(i),i.transition({duration:o,delay:a,opacity:0},function(){i.remove()})},prepare_pages_for_display:function(t){var e,i,s,n;if(!t.pagecount)return this.dialogue&&this.dialogue.hide(),void new M.core.alert({message:M.util.get_string("cannotopenpdf","assignfeedback_editpdf")}).show();for(this.pages=t.pages,e=0;e<this.pages.length;e++){for(i=0;i<this.pages[e].comments.length;i++)s=this.pages[e].comments[i],this.pages[e].comments[i]=new M.assignfeedback_editpdf.comment(this,s.gradeid,s.pageno,s.x,s.y,s.width,s.colour,s.rawtext);for(i=0;i<this.pages[e].annotations.length;i++)n=this.pages[e].annotations[i],this.pages[e].annotations[i]=this.create_annotation(n.type,n)}!this.get("readonly")&&t.partial&&this.warning(M.util.get_string("partialwarning","assignfeedback_editpdf"),!1),this.quicklist&&this.quicklist.load(),this.setup_navigation(),this.setup_toolbar(),this.change_page()},update_page_load_progress:function(){var n,a=0;this.get_dialogue_element(L+" .bar")&&(n={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"conversionstatus",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid")},on:{success:function(t,e){var i,s;i=a=0,(s=this.get_dialogue_element(L+" .bar"))&&(i=e.response/this.pagecount*100,s.setStyle("width",i+"%"),s.ancestor(L).setAttribute("aria-valuenow",i),i<100&&(M.util.js_pending("checkconversionstatus"),u.later(1e3,this,function(){M.util.js_complete("checkconversionstatus"),u.io(D,n)})))},failure:function(t,e){return a+=1,0===this.pagecount&&a<5&&(M.util.js_pending("checkconversionstatus"),u.later(1e3,this,function(){M.util.js_complete("checkconversionstatus"),u.io(D,n)})),new M.core.exception(e.responseText)}}},M.util.js_pending("checkconversionstatus"),u.later(1e3,this,function(){a=0,M.util.js_complete("checkconversionstatus"),u.io(D,n)}))},handle_response_data:function(t){var e;try{if(!(e=u.JSON.parse(t.responseText)).error)return e;this.dialogue&&this.dialogue.hide(),new M.core.alert({message:M.util.get_string("cannotopenpdf","assignfeedback_editpdf"),visible:!0})}catch(i){this.dialogue&&this.dialogue.hide(),new M.core.alert({title:M.util.get_string("cannotopenpdf","assignfeedback_editpdf"),visible:!0})}},get_stamp_image_url:function(e){var t=this.get("stampfiles"),i="";return u.Array.each(t,function(t){0<t.indexOf(e)&&(i=t)},this),i},setup_toolbar:function(){var i,t,e,s,n,a,o,r,d,c;(s=this.get_dialogue_element(q)).on("click",this.open_search_comments,this),s.on("key",this.open_search_comments,"down:13",this),(n=this.get_dialogue_element(z)).on("click",this.expandCollapseComments,this),n.on("key",this.expandCollapseComments,"down:13",this),this.get("readonly")||((a=this.get_dialogue_element(K)).on("click",this.rotatePDF,this,!0),a.on("key",this.rotatePDF,"down:13",this,!0),(o=this.get_dialogue_element(W)).on("click",this.rotatePDF,this,!1),o.on("key",this.rotatePDF,"down:13",this,!1),this.disable_touch_scroll(),u.each(it,function(t,e){(i=this.get_dialogue_element(t)).on("click",this.handle_tool_button,this,e),i.on("key",this.handle_tool_button,"down:13",this,e),i.setAttribute("aria-pressed","false")},this),t=this.get_dialogue_element(O),new M.assignfeedback_editpdf.colourpicker({buttonNode:t,colours:Z,iconprefix:"background_colour_",callback:function(t){var e=t.target.getAttribute("data-colour");e=e||t.target.ancestor().getAttribute("data-colour"),this.currentedit.commentcolour=e,this.handle_tool_button(t,"comment")},context:this}),e=this.get_dialogue_element(B),new M.assignfeedback_editpdf.colourpicker({buttonNode:e,iconprefix:"colour_",colours:tt,callback:function(t){var e=t.target.getAttribute("data-colour");e=e||t.target.ancestor().getAttribute("data-colour"),this.currentedit.annotationcolour=e,this.lastannotationtool?this.handle_tool_button(t,this.lastannotationtool):this.handle_tool_button(t,"pen")},context:this}),(d=this.get("stampfiles")).length<=0?this.get_dialogue_element(it.stamp).ancestor().hide():(c=d[0].substr(d[0].lastIndexOf("/")+1),this.currentedit.stamp=c,r=this.get_dialogue_element(V),new M.assignfeedback_editpdf.stamppicker({buttonNode:r,stamps:d,callback:function(t){var e,i=t.target.getAttribute("data-stamp");e=(i=i||t.target.ancestor().getAttribute("data-stamp")).substr(i.lastIndexOf("/")),this.currentedit.stamp=e,this.handle_tool_button(t,"stamp")},context:this}),this.refresh_button_state()))},handle_tool_button:function(t,e){var i;t.preventDefault(),(i=this.get_dialogue_element(it[this.currentedit.tool])).removeClass("assignfeedback_editpdf_selectedbutton"),i.setAttribute("aria-pressed","false"),"comment"!==(this.currentedit.tool=e)&&"select"!==e&&"drag"!==e&&"stamp"!==e&&(
-this.lastannotationtool=e),this.refresh_button_state()},stringify_current_page:function(){var t,e=[],i=[],s=0;for(s=0;s<this.pages[this.currentpage].comments.length;s++)e[s]=this.pages[this.currentpage].comments[s].clean();for(s=0;s<this.pages[this.currentpage].annotations.length;s++)i[s]=this.pages[this.currentpage].annotations[s].clean();return t={comments:e,annotations:i},u.JSON.stringify(t)},get_current_drawable:function(){var t,e=!1;return!(!this.currentedit.start||!this.currentedit.end)&&("comment"===this.currentedit.tool?e=new M.assignfeedback_editpdf.comment(this).draw_current_edit(this.currentedit):(t=this.create_annotation(this.currentedit.tool,{}))&&(e=t.draw_current_edit(this.currentedit)),e)},get_dialogue_element:function(t){return this.panel?this.panel.one(t):this.dialogue.get("boundingBox").one(t)},redraw_current_edit:function(){this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=this.get_current_drawable()},edit_start:function(t){var e,i,s,n=this.get_dialogue_element(j),a=n.getXY(),o=n.get("docScrollY"),r=n.get("docScrollX"),d={x:t.clientX-a[0]+r,y:t.clientY-a[1]+o},c=!1;3!==t.button&&(this.currentedit.starttime||this.editingcomment||(this.currentedit.starttime=(new Date).getTime(),this.currentedit.start=d,this.currentedit.end={x:d.x,y:d.y},"select"===this.currentedit.tool&&(e=this.currentedit.end.x,i=this.currentedit.end.y,s=this.pages[this.currentpage].annotations,u.each(s,function(t){(e-t.x)*(e-t.endx)<=0&&(i-t.y)*(i-t.endy)<=0&&(c=t)}),c?(this.lastannotation=this.currentannotation,this.currentannotation=c,this.lastannotation&&this.lastannotation!==c&&this.lastannotation.drawable&&(this.lastannotation.drawable.erase(),this.drawables.push(this.lastannotation.draw())),this.currentannotation.drawable&&this.currentannotation.drawable.erase(),this.drawables.push(this.currentannotation.draw())):(this.lastannotation=this.currentannotation,this.currentannotation=null,this.lastannotation&&this.lastannotation.drawable&&(this.lastannotation.drawable.erase(),this.drawables.push(this.lastannotation.draw())))),this.currentannotation&&(this.currentedit.annotationstart={x:this.currentannotation.x,y:this.currentannotation.y})))},edit_move:function(t){var e,i,s=this.get_canvas_bounds(),n=this.get_dialogue_element(j),a=this.get_dialogue_element(P),o=new M.assignfeedback_editpdf.point(t.clientX+n.get("docScrollX"),t.clientY+n.get("docScrollY")),r=this.get_canvas_coordinates(o);"textarea"!==document.activeElement.type&&(t.preventDefault(),r.x<0||r.x>s.width||r.y<0||r.y>s.height||("pen"===this.currentedit.tool&&this.currentedit.path.push(r),"select"===this.currentedit.tool?this.currentannotation&&this.currentedit&&this.currentannotation.move(this.currentedit.annotationstart.x+r.x-this.currentedit.start.x,this.currentedit.annotationstart.y+r.y-this.currentedit.start.y):"drag"===this.currentedit.tool?(e=r.x-this.currentedit.start.x,i=r.y-this.currentedit.start.y,a.getDOMNode().scrollLeft-=e,a.getDOMNode().scrollTop-=i):this.currentedit.start&&(this.currentedit.end=r,this.redraw_current_edit())))},edit_end:function(){var t,e;(new Date).getTime()-this.currentedit.start<et||!1===this.currentedit.start||("comment"===this.currentedit.tool?(this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=!1,(t=new M.assignfeedback_editpdf.comment(this)).init_from_edit(this.currentedit)&&(this.pages[this.currentpage].comments.push(t),this.drawables.push(t.draw(!0)),this.editingcomment=!0)):(e=this.create_annotation(this.currentedit.tool,{}))&&(this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=!1,e.init_from_edit(this.currentedit)&&(this.pages[this.currentpage].annotations.push(e),this.drawables.push(e.draw()))),this.save_current_page(),this.currentedit.starttime=0,this.currentedit.start=!1,this.currentedit.end=!1,this.currentedit.path=[])},resize:function(){var t,e;if(this.dialogue){if(!this.dialogue.get("visible"))return;this.dialogue.centerDialogue()}return(e=u.one("body").get("winHeight")-120)<100&&(e=100),t=this.get_dialogue_element(P),this.dialogue&&t.setStyle("maxHeight",e+"px"),this.redraw(),!0},create_annotation:function(t,e){return e.type=t,e.editor=this,"line"===t?new M.assignfeedback_editpdf.annotationline(e):"rectangle"===t?new M.assignfeedback_editpdf.annotationrectangle(e):"oval"===t?new M.assignfeedback_editpdf.annotationoval(e):"pen"===t?new M.assignfeedback_editpdf.annotationpen(e):"highlight"===t?new M.assignfeedback_editpdf.annotationhighlight(e):"stamp"===t&&new M.assignfeedback_editpdf.annotationstamp(e)},save_current_page:function(){this.clear_warnings(!1);var t,e=N;t={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"savepage",index:this.currentpage,userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),page:this.stringify_current_page()},on:{success:function(t,e){var i;try{if((i=u.JSON.parse(e.responseText)).error)return new M.core.ajaxException(i);u.one(F).set("value","true"),this.warning(M.util.get_string("draftchangessaved","assignfeedback_editpdf"),!0)}catch(s){return new M.core.exception(s)}},failure:function(t,e){return new M.core.exception(e.responseText)}}},u.io(e,t)},open_search_comments:function(t){this.searchcommentswindow||(this.searchcommentswindow=new M.assignfeedback_editpdf.commentsearch({editor:this})),this.searchcommentswindow.show(),t.preventDefault()},expandCollapseComments:function(){var t=u.all(".commentdrawable");this.collapsecomments?(this.collapsecomments=!1,t.removeClass("commentcollapsed")):(this.collapsecomments=!0,t.addClass("commentcollapsed"))},redraw:function(){var t,e;if((e=this.pages[this.currentpage])!==undefined){for(;0<this.drawables.length;)this.drawables.pop().erase();for(t=0;t<e.annotations.length;t++)this.drawables.push(e.annotations[t].draw());for(t=0;t<e.comments.length;t++)this.drawables.push(e.comments[t].draw(!1))}},clear_warnings:function(t){var e=this.get_dialogue_element(H);t?e.empty():e.all(".alert-info"
-).remove(!0)},change_page:function(){var t,e,i,s=this.get_dialogue_element(j);e=this.get_dialogue_element(I),i=this.get_dialogue_element(C),0<this.currentpage?e.removeAttribute("disabled"):e.setAttribute("disabled","true"),this.currentpage<this.pagecount-1?i.removeAttribute("disabled"):i.setAttribute("disabled","true"),t=this.pages[this.currentpage],this.loadingicon&&this.loadingicon.hide(),s.setStyle("backgroundImage",'url("'+t.url+'")'),s.setStyle("width",t.width+"px"),s.setStyle("height",t.height+"px"),s.scrollIntoView(),this.get_dialogue_element(R).set("selectedIndex",this.currentpage),this.resize()},setup_navigation:function(){var t,e,i,s,n,a=this.get_dialogue_element(R),o=a.all("option");if(o.size()<=1)for(t=0;t<this.pages.length;t++)(i=u.Node.create("<option/>")).setAttribute("value",t),e={page:t+1,total:this.pages.length},i.setHTML(M.util.get_string("pagexofy","assignfeedback_editpdf",e)),a.append(i);a.removeAttribute("disabled"),a.on("change",function(){this.currentpage=a.get("value"),this.clear_warnings(!1),this.change_page()},this),s=this.get_dialogue_element(I),n=this.get_dialogue_element(C),s.on("click",this.previous_page,this),s.on("key",this.previous_page,"down:13",this),n.on("click",this.next_page,this),n.on("key",this.next_page,"down:13",this)},previous_page:function(t){t.preventDefault(),this.currentpage--,this.currentpage<0&&(this.currentpage=0),this.clear_warnings(!1),this.change_page()},next_page:function(t){t.preventDefault(),this.currentpage++,this.currentpage>=this.pages.length&&(this.currentpage=this.pages.length-1),this.clear_warnings(!1),this.change_page()},move_canvas:function(){var t,e,i,s;for(t=this.get_dialogue_element(P),e=parseInt(t.get("scrollLeft"),10),i=parseInt(t.get("scrollTop"),10),s=0;s<this.drawables.length;s++)this.drawables[s].scroll_update(e,i)},rotatePDF:function(h,t){var l,e,i,s,n,a;if(h.preventDefault(),!this.get("destroyed")){for((l=this).oldannotationcoordinates=[],i=this.pages[this.currentpage].annotations,e=0;e<i.length;e++)s=i[e],this.oldannotationcoordinates.push([s.x,s.y]);n=N,a={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"rotatepage",index:this.currentpage,userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),rotateleft:t},on:{success:function(t,e){var i,s,n,a,o,r,d,c;try{for(i=u.JSON.parse(e.responseText),(s=l.pages[l.currentpage]).url=i.page.url,s.width=i.page.width,s.height=i.page.height,l.loadingicon.hide(),(n=l.get_dialogue_element(j)).setStyle("backgroundImage",'url("'+s.url+'")'),n.setStyle("width",s.width+"px"),n.setStyle("height",s.height+"px"),o=s.annotations,a=0;a<o.length;a++)l.oldannotationcoordinates&&l.oldannotationcoordinates[a]&&(r=l.oldannotationcoordinates[a][0],d=l.oldannotationcoordinates[a][1],o[a].move(r,d));for(c=s.comments,a=0;a<c.length;a++)c[a].updatePosition();return l.save_current_page()}catch(h){return new M.core.exception(h)}},failure:function(t,e){return new M.core.exception(e.responseText)}}},u.io(n,a)}},event_listener_options_supported:function(){var t,e=!1,i="testpassiveeventoptions";try{t=Object.defineProperty({},"passive",{get:function(){e=!0}}),document.addEventListener(i,t,t),document.removeEventListener(i,t,t)}catch(s){e=!1}return e},disable_touch_scroll:function(){this.event_listener_options_supported()&&document.addEventListener("touchmove",this.stop_touch_scroll.bind(this),{passive:!1})},stop_touch_scroll:function(t){this.get_dialogue_element(P).contains(t.target)&&(t.stopPropagation(),t.preventDefault())}},u.extend(A,u.Base,A.prototype,{NAME:"moodle-assignfeedback_editpdf-editor",ATTRS:{userid:{validator:u.Lang.isInteger,value:0},assignmentid:{validator:u.Lang.isInteger,value:0},attemptnumber:{validator:u.Lang.isInteger,value:0},header:{validator:u.Lang.isString,value:""},body:{validator:u.Lang.isString,value:""},footer:{validator:u.Lang.isString,value:""},linkid:{validator:u.Lang.isString,value:""},deletelinkid:{validator:u.Lang.isString,value:""},readonly:{validator:u.Lang.isBoolean,value:!0},stampfiles:{validator:u.Lang.isArray,value:""}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.editor=M.assignfeedback_editpdf.editor||{},M.assignfeedback_editpdf.editor.init=M.assignfeedback_editpdf.editor.init||function(t){return M.assignfeedback_editpdf.instance=new A(t),M.assignfeedback_editpdf.instance}},"@VERSION@",{requires:["base","event","node","io","graphics","json","event-move","event-resize","transition","querystring-stringify-simple","moodle-core-notification-dialog","moodle-core-notification-alert","moodle-core-notification-warning","moodle-core-notification-exception","moodle-core-notification-ajaxexception"]});
\ No newline at end of file
+YUI.add("moodle-assignfeedback_editpdf-editor",function(u,e){var c,i,s,n,a,h,l,p,f,_,m,b,w,o=M.cfg.wwwroot+"/mod/assign/feedback/editpdf/ajax.php",k=M.cfg.wwwroot+"/mod/assign/feedback/editpdf/ajax_progress.php",y="assignfeedback_editpdf_widget",x=".navigate-previous-button",v=" .navigate-next-button",S=".searchcommentsbutton",A=".expcolcommentsbutton",N=".assignfeedback_editpdf_commentsearch input",D=".assignfeedback_editpdf_commentsearch ul",T=".navigate-page-select",I=".loading",C=".progress-info.progress-striped",r=".drawingregion",g=".drawingcanvas",q=".commentcolourbutton",z=".annotationcolourbutton",E=".warningmessages",Y=".infoicon",R='input[name="assignfeedback_editpdf_haschanges"]',X=".currentstampbutton",L='[data-region="user-info"]',P=".rotateleftbutton",j=".rotaterightbutton",O={white:"rgb(255,255,255)",yellow:"rgb(255,236,174)",red:"rgb(249,181,179)",green:"rgb(214,234,178)",blue:"rgb(203,217,237)",clear:"rgba(255,255,255, 0)"},d={white:"rgb(255,255,255)",yellow:"rgb(255,207,53)",red:"rgb(239,69,64)",green:"rgb(152,202,62)",blue:"rgb(125,159,211)",black:"rgb(51,51,51)"},B={comment:".commentbutton",pen:".penbutton",line:".linebutton",rectangle:".rectanglebutton",oval:".ovalbutton",stamp:".stampbutton",select:".selectbutton",drag:".dragbutton",highlight:".highlightbutton"},t=function(t,e){this.x=parseInt(t,10),this.y=parseInt(e,10),this.clip=function(t){return this.x<t.x&&(this.x=t.x),this.x>t.x+t.width&&(this.x=t.x+t.width),this.y<t.y&&(this.y=t.y),this.y>t.y+t.height&&(this.y=t.y+t.height),this}};M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.point=t,t=function(t,e,i,s){this.x=t,this.y=e,this.width=i,this.height=s,this.bound=function(t){for(var e,i=0,s=0,n=0,a=0,o=0,o=0;o<t.length;o++)((e=t[o]).x<i||0===o)&&(i=e.x),(e.x>s||0===o)&&(s=e.x),(e.y<n||0===o)&&(n=e.y),(e.y>a||0===o)&&(a=e.y);return this.x=i,this.y=n,this.width=s-i,this.height=a-n,this},this.has_min_width=function(){return 5<=this.width},this.has_min_height=function(){return 5<=this.height},this.set_min_width=function(){this.width=5},this.set_min_height=function(){this.height=5}},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.rect=t,t=function(){this.start=!1,this.end=!1,this.starttime=0,this.annotationstart=!1,this.tool="drag",this.commentcolour="yellow",this.annotationcolour="red",this.stamp="",this.path=[]},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.edit=t,t=function(t){this.editor=t,this.shapes=[],this.nodes=[],this.erase=function(){if(this.shapes)for(;0<this.shapes.length;)this.editor.graphic.removeShape(this.shapes.pop());if(this.nodes)for(;0<this.nodes.length;)this.nodes.pop().remove()},this.scroll_update=function(t,e){for(var i,s,n=0;n<this.nodes.length;n++)i=this.nodes[n].getData("x"),s=this.nodes[n].getData("y"),i!==undefined&&s!==undefined&&(this.nodes[n].setX(parseInt(i,10)-t),this.nodes[n].setY(parseInt(s,10)-e))},this.store_position=function(t,e,i){var s=this.editor.get_dialogue_element(r),n=parseInt(s.get("scrollLeft"),10),s=parseInt(s.get("scrollTop"),10);t.setData("x",e+n),t.setData("y",i+s)}},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.drawable=t,(c=function(t){c.superclass.constructor.apply(this,[t])}).NAME="annotation",c.ATTRS={},u.extend(c,u.Base,{editor:null,gradeid:0,pageno:0,x:0,y:0,endx:0,endy:0,path:"",type:"rect",colour:"red",drawable:!1,initializer:function(t){this.editor=t.editor||null,this.gradeid=parseInt(t.gradeid,10)||0,this.pageno=parseInt(t.pageno,10)||0,this.x=parseInt(t.x,10)||0,this.y=parseInt(t.y,10)||0,this.endx=parseInt(t.endx,10)||0,this.endy=parseInt(t.endy,10)||0,this.path=t.path||"",this.type=t.type||"rect",this.colour=t.colour||"red",this.drawable=!1},clean:function(){return{gradeid:this.gradeid,x:parseInt(this.x,10),y:parseInt(this.y,10),endx:parseInt(this.endx,10),endy:parseInt(this.endy,10),type:this.type,path:this.path,pageno:this.pageno,colour:this.colour}},draw_highlight:function(){var t,e,i,s=this.editor.get_dialogue_element(r),n=this.editor.get_dialogue_element(g).getXY();return this.editor.currentannotation===this&&((t=new M.assignfeedback_editpdf.rect).bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),e=this.editor.graphic.addShape({type:u.Rect,width:t.width,height:t.height,stroke:{weight:4,color:"rgba(200, 200, 255, 0.9)"},fill:{color:"rgba(200, 200, 255, 0.5)"},x:t.x,y:t.y}),this.drawable.shapes.push(e),e=u.Node.create('<img src="'+M.util.image_url("trash","assignfeedback_editpdf")+'"/>'),i=u.Node.create('<a href="#" role="button"></a>'),e.setAttrs({alt:M.util.get_string("deleteannotation","assignfeedback_editpdf")}),e.setStyles({backgroundColor:"white"}),i.addClass("deleteannotationbutton"),i.append(e),s.append(i),i.setData("annotation",this),i.on("click",this.remove,this),i.on("key",this.remove,"space,enter",this),i.setX(n[0]+t.x+t.width-18),i.setY(n[1]+t.y+6),this.drawable.nodes.push(i)),this.drawable},draw:function(){return this.draw_highlight(),this.drawable},remove:function(t){var e,i;for(t.preventDefault(),e=this.editor.pages[this.editor.currentpage].annotations,i=0;i<e.length;i++)if(e[i]===this)return e.splice(i,1),this.drawable&&this.drawable.erase(),this.editor.currentannotation=!1,void this.editor.save_current_page()},move:function(t,e){var i,s,n,a=t-this.x,o=e-this.y;this.x+=a,this.y+=o,this.endx+=a,this.endy+=o,this.path&&(i=[],t=this.path.split(":"),u.each(t,function(t){n=t.split(","),s=parseInt(n[0],10),n=parseInt(n[1],10),i.push(s+a+","+(n+o))}),this.path=i.join(":")),this.drawable&&this.drawable.erase(),this.editor.drawables.push(this.draw())},draw_current_edit:function(t){return t&&!1},init_from_edit:function(t){var e=new M.assignfeedback_editpdf.rect;return e.bound([t.start,t.end]),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=e.y,this.endx=e.x+e.width,this.endy=e.y+e.height,
+this.colour=t.annotationcolour,this.path="",e.has_min_width()&&e.has_min_height()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotation=c,(i=function(t){i.superclass.constructor.apply(this,[t])}).NAME="annotationline",i.ATTRS={},u.extend(i,M.assignfeedback_editpdf.annotation,{draw:function(){var t=new M.assignfeedback_editpdf.drawable(this.editor),e=this.editor.graphic.addShape({type:u.Path,fill:!1,stroke:{weight:4,color:d[this.colour]}});return e.moveTo(this.x,this.y),e.lineTo(this.endx,this.endy),e.end(),t.shapes.push(e),this.drawable=t,i.superclass.draw.apply(this)},draw_current_edit:function(t){var e=new M.assignfeedback_editpdf.drawable(this.editor),i=this.editor.graphic.addShape({type:u.Path,fill:!1,stroke:{weight:4,color:d[t.annotationcolour]}});return i.moveTo(t.start.x,t.start.y),i.lineTo(t.end.x,t.end.y),i.end(),e.shapes.push(i),e},init_from_edit:function(t){return this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=t.start.x,this.y=t.start.y,this.endx=t.end.x,this.endy=t.end.y,this.colour=t.annotationcolour,this.path="",!(this.endx-this.x==0&&this.endy-this.y==0)}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationline=i,(s=function(t){s.superclass.constructor.apply(this,[t])}).NAME="annotationrectangle",s.ATTRS={},u.extend(s,M.assignfeedback_editpdf.annotation,{draw:function(){var t=new M.assignfeedback_editpdf.drawable(this.editor),e=new M.assignfeedback_editpdf.rect;return e.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),e=this.editor.graphic.addShape({type:u.Rect,width:e.width,height:e.height,stroke:{weight:4,color:d[this.colour]},x:e.x,y:e.y}),t.shapes.push(e),this.drawable=t,s.superclass.draw.apply(this)},draw_current_edit:function(t){var e=new M.assignfeedback_editpdf.drawable(this.editor),i=new M.assignfeedback_editpdf.rect;return i.bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),i.has_min_height()||i.set_min_height(),t=this.editor.graphic.addShape({type:u.Rect,width:i.width,height:i.height,stroke:{weight:4,color:d[t.annotationcolour]},x:i.x,y:i.y}),e.shapes.push(t),e}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationrectangle=s,(n=function(t){n.superclass.constructor.apply(this,[t])}).NAME="annotationoval",n.ATTRS={},u.extend(n,M.assignfeedback_editpdf.annotation,{draw:function(){var t=new M.assignfeedback_editpdf.drawable(this.editor),e=new M.assignfeedback_editpdf.rect;return e.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),e=this.editor.graphic.addShape({type:u.Ellipse,width:e.width,height:e.height,stroke:{weight:4,color:d[this.colour]},x:e.x,y:e.y}),t.shapes.push(e),this.drawable=t,n.superclass.draw.apply(this)},draw_current_edit:function(t){var e=new M.assignfeedback_editpdf.drawable(this.editor),i=new M.assignfeedback_editpdf.rect;return i.bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),i.has_min_width()||i.set_min_width(),i.has_min_height()||i.set_min_height(),t=this.editor.graphic.addShape({type:u.Ellipse,width:i.width,height:i.height,stroke:{weight:4,color:d[t.annotationcolour]},x:i.x,y:i.y}),e.shapes.push(t),e}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationoval=n,(a=function(t){a.superclass.constructor.apply(this,[t])}).NAME="annotationpen",a.ATTRS={},u.extend(a,M.assignfeedback_editpdf.annotation,{draw:function(){var e,t=new M.assignfeedback_editpdf.drawable(this.editor),i=this.editor.graphic.addShape({type:u.Path,fill:!1,stroke:{weight:4,color:d[this.colour]}}),s=!0,n=this.path.split(":");return u.each(n,function(t){e=t.split(","),s?(i.moveTo(e[0],e[1]),s=!1):i.lineTo(e[0],e[1])},this),i.end(),t.shapes.push(i),this.drawable=t,a.superclass.draw.apply(this)},draw_current_edit:function(t){var e=new M.assignfeedback_editpdf.drawable(this.editor),i=this.editor.graphic.addShape({type:u.Path,fill:!1,stroke:{weight:4,color:d[t.annotationcolour]}}),s=!0;return u.each(t.path,function(t){s?(i.moveTo(t.x,t.y),s=!1):i.lineTo(t.x,t.y)},this),i.end(),e.shapes.push(i),e},init_from_edit:function(t){var e=new M.assignfeedback_editpdf.rect,i=[],s=0;for(e.bound(t.path),s=0;s<t.path.length;s++)i.push(parseInt(t.path[s].x,10)+","+parseInt(t.path[s].y,10));return this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=e.y,this.endx=e.x+e.width,this.endy=e.y+e.height,this.colour=t.annotationcolour,this.path=i.join(":"),e.has_min_width()||e.has_min_height()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationpen=a,(h=function(t){h.superclass.constructor.apply(this,[t])}).NAME="annotationhighlight",h.ATTRS={},u.extend(h,M.assignfeedback_editpdf.annotation,{draw:function(){var t,e=new M.assignfeedback_editpdf.drawable(this.editor),i=new M.assignfeedback_editpdf.rect;return i.bound([new M.assignfeedback_editpdf.point(this.x,this.y),new M.assignfeedback_editpdf.point(this.endx,this.endy)]),t=(t=(t=d[this.colour]).replace("rgb","rgba")).replace(")",",0.5)"),t=this.editor.graphic.addShape({type:u.Rect,width:i.width,height:i.height,stroke:!1,fill:{color:t},x:i.x,y:i.y}),e.shapes.push(t),this.drawable=e,h.superclass.draw.apply(this)},draw_current_edit:function(t){var e,i=new M.assignfeedback_editpdf.drawable(this.editor),s=new M.assignfeedback_editpdf.rect;return s.bound([new M.assignfeedback_editpdf.point(t.start.x,t.start.y),new M.assignfeedback_editpdf.point(t.end.x,t.end.y)]),s.has_min_width()||s.set_min_width(),e=(e=(e=d[t.annotationcolour]).replace("rgb","rgba")).replace(")",",0.5)"),e=this.editor.graphic.addShape({type:u.Rect,width:s.width,height:20,stroke:!1,fill:{color:e},x:s.x,y:t.start.y-10}),
+i.shapes.push(e),i},init_from_edit:function(t){var e=new M.assignfeedback_editpdf.rect;return e.bound([t.start,t.end]),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=t.start.y-10,this.endx=e.x+e.width,this.endy=t.start.y+10,this.colour=t.annotationcolour,this.page="",e.has_min_width()}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationhighlight=h,(l=function(t){l.superclass.constructor.apply(this,[t])}).NAME="annotationstamp",l.ATTRS={},u.extend(l,M.assignfeedback_editpdf.annotation,{draw:function(){var t=new M.assignfeedback_editpdf.drawable(this.editor),e=this.editor.get_dialogue_element(g),i=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x,this.y)),s=u.Node.create("<div/>");return s.addClass("annotation"),s.addClass("stamp"),s.setStyles({position:"absolute",display:"inline-block",backgroundImage:"url("+this.editor.get_stamp_image_url(this.path)+")",width:this.endx-this.x,height:this.endy-this.y,backgroundSize:"100% 100%"}),e.append(s),s.setX(i.x),s.setY(i.y),t.store_position(s,i.x,i.y),this.editor.get("readonly")||(s.on("gesturemovestart",this.editor.edit_start,null,this.editor),s.on("gesturemove",this.editor.edit_move,null,this.editor),s.on("gesturemoveend",this.editor.edit_end,null,this.editor)),t.nodes.push(s),this.drawable=t,l.superclass.draw.apply(this)},draw_current_edit:function(t){var e,i,s=new M.assignfeedback_editpdf.rect,n=new M.assignfeedback_editpdf.drawable(this.editor),a=this.editor.get_dialogue_element(r);return s.bound([t.start,t.end]),i=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(s.x,s.y)),(e=u.Node.create("<div/>")).addClass("annotation"),e.addClass("stamp"),e.setStyles({position:"absolute",display:"inline-block",backgroundImage:"url("+this.editor.get_stamp_image_url(t.stamp)+")",width:s.width,height:s.height,backgroundSize:"100% 100%"}),a.append(e),e.setX(i.x),e.setY(i.y),n.store_position(e,i.x,i.y),n.nodes.push(e),n},init_from_edit:function(t){var e=new M.assignfeedback_editpdf.rect;return e.bound([t.start,t.end]),e.width<40&&(e.width=40),e.height<40&&(e.height=40),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=e.y,this.endx=e.x+e.width,this.endy=e.y+e.height,this.colour=t.annotationcolour,this.path=t.stamp,!0},move:function(t,e){t-=this.x,e-=this.y;this.x+=t,this.y+=e,this.endx+=t,this.endy+=e,this.drawable&&this.drawable.erase(),this.editor.drawables.push(this.draw())}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.annotationstamp=l,u.extend(p=function(t){t.draggable=!1,t.centered=!1,t.width="auto",t.visible=!1,t.footerContent="",p.superclass.constructor.apply(this,[t])},M.core.dialogue,{initializer:function(t){var e,i;p.superclass.initializer.call(this,t),this.get("boundingBox").addClass("assignfeedback_editpdf_dropdown"),e=this.get("buttonNode"),t=this.bodyNode,(i=u.Node.create("<h3/>")).addClass("accesshide"),i.setHTML(this.get("headerText")),t.prepend(i),t.on("clickoutside",function(t){this.get("visible")&&t.target.get("id")!==e.get("id")&&t.target.ancestor().get("id")!==e.get("id")&&(t.preventDefault(),this.hide())},this),e.on("click",function(t){t.preventDefault(),this.show()},this),e.on("key",this.show,"enter,space",this)},show:function(){var t=this.get("buttonNode"),e=p.superclass.show.call(this);return this.align(t,[u.WidgetPositionAlign.TL,u.WidgetPositionAlign.BL]),e}},{NAME:"Dropdown menu",ATTRS:{headerText:{value:""},buttonNode:{value:null}}}),u.Base.modifyAttrs(p,{modal:{getter:function(){return!1}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.dropdown=p,u.extend(f=function(t){f.superclass.constructor.apply(this,[t])},M.assignfeedback_editpdf.dropdown,{initializer:function(t){var e,n=u.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>');u.each(this.get("colours"),function(t,e){var i=M.util.get_string(e,"assignfeedback_editpdf"),s=this.get("iconprefix")+e,s=M.util.image_url(s,"assignfeedback_editpdf"),i=u.Node.create('<button><img alt="'+i+'" src="'+s+'"/></button>');i.setAttribute("data-colour",e),i.setAttribute("data-rgb",t),i.setStyle("backgroundImage","none"),(s=u.Node.create("<li/>")).append(i),n.append(s)},this),e=u.Node.create("<div/>"),n.delegate("click",this.callback_handler,"button",this),n.delegate("key",this.callback_handler,"down:13","button",this),this.set("headerText",M.util.get_string("colourpicker","assignfeedback_editpdf")),e.append(n),this.set("bodyContent",e),f.superclass.initializer.call(this,t)},callback_handler:function(t){t.preventDefault();var e=this.get("callback"),i=this.get("context");this.hide(),u.bind(e,i,t)()}},{NAME:"Colourpicker",ATTRS:{colours:{value:{}},callback:{value:null},context:{value:null},iconprefix:{value:"colour_"}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.colourpicker=f,u.extend(_=function(t){_.superclass.constructor.apply(this,[t])},M.assignfeedback_editpdf.dropdown,{initializer:function(t){var i=u.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>');u.each(this.get("stamps"),function(t){var e=M.util.get_string("stamp","assignfeedback_editpdf"),e=u.Node.create('<button><img height="16" width="16" alt="'+e+'" src="'+t+'"/></button>');e.setAttribute("data-stamp",t),e.setStyle("backgroundImage","none"),(t=u.Node.create("<li/>")).append(e),i.append(t)},this),i.delegate("click",this.callback_handler,"button",this),i.delegate("key",this.callback_handler,"down:13","button",this),this.set("headerText",M.util.get_string("stamppicker","assignfeedback_editpdf")),this.set("bodyContent",i),_.superclass.initializer.call(this,t)},callback_handler:function(t){t.preventDefault();var e=this.get("callback"),i=this.get("context");this.hide(),u.bind(e,i,t)()}},{NAME:"Colourpicker",ATTRS:{stamps:{value:[]},callback:{value:null},context:{value:null}}}),
+M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.stamppicker=_,u.extend(m=function(t){m.superclass.constructor.apply(this,[t])},M.assignfeedback_editpdf.dropdown,{initializer:function(t){var e=this.get("comment"),i=u.Node.create('<ul role="menu" class="assignfeedback_editpdf_menu"/>'),s=u.Node.create('<li><a tabindex="-1" href="#">'+M.util.get_string("addtoquicklist","assignfeedback_editpdf")+"</a></li>");s.on("click",e.add_to_quicklist,e),s.on("key",e.add_to_quicklist,"enter,space",e),i.append(s),(s=u.Node.create('<li><a tabindex="-1" href="#">'+M.util.get_string("deletecomment","assignfeedback_editpdf")+"</a></li>")).on("click",function(t){t.preventDefault(),this.menu.hide(),this.remove()},e),s.on("key",function(){e.menu.hide(),e.remove()},"enter,space",e),i.append(s),s=u.Node.create("<li><hr/></li>"),i.append(s),this.set("headerText",M.util.get_string("commentcontextmenu","assignfeedback_editpdf")),(s=u.Node.create("<div/>")).append(i),this.set("bodyContent",s),m.superclass.initializer.call(this,t)},show:function(){var n,a=this.get("boundingBox").one("ul");a.all(".quicklist_comment").remove(!0),(n=this.get("comment")).deleteme=!1,u.each(n.editor.quicklist.comments,function(t){var e=u.Node.create('<li class="quicklist_comment"></li>'),i=u.Node.create('<a href="#" tabindex="-1">'+t.rawtext+"</a>"),s=u.Node.create('<a href="#" tabindex="-1" class="delete_quicklist_comment"><img src="'+M.util.image_url("t/delete","core")+'" alt="'+M.util.get_string("deletecomment","assignfeedback_editpdf")+'"/></a>');i.setAttribute("title",t.rawtext),e.append(i),e.append(s),a.append(e),e.on("click",n.set_from_quick_comment,n,t),e.on("key",n.set_from_quick_comment,"space,enter",n,t),s.on("click",n.remove_from_quicklist,n,t),s.on("key",n.remove_from_quicklist,"space,enter",n,t)},this),m.superclass.show.call(this)}},{NAME:"Commentmenu",ATTRS:{comment:{value:null}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.commentmenu=m,u.extend(b=function(t){t.draggable=!1,t.centered=!0,t.width="400px",t.visible=!1,t.headerContent=M.util.get_string("searchcomments","assignfeedback_editpdf"),t.footerContent="",b.superclass.constructor.apply(this,[t])},M.core.dialogue,{initializer:function(t){var e,i,s;this.get("boundingBox").addClass("assignfeedback_editpdf_commentsearch"),this.get("editor"),e=u.Node.create("<div/>"),i=M.util.get_string("filter","assignfeedback_editpdf"),i=u.Node.create('<input type="text" size="20" placeholder="'+i+'"/>'),e.append(i),s=u.Node.create('<ul role="menu" class="assignfeedback_editpdf_search"/>'),e.append(s),i.on("keyup",this.filter_search_comments,this),s.delegate("click",this.focus_on_comment,"a",this),s.delegate("key",this.focus_on_comment,"enter,space","a",this),this.set("bodyContent",e),b.superclass.initializer.call(this,t)},filter_search_comments:function(){var t=this.get("id"),e=u.one("#"+t+N),t=u.one("#"+t+D),i=e.get("value");t.all("li").each(function(t){-1!==t.get("text").indexOf(i)?t.show():t.hide()})},focus_on_comment:function(t){t.preventDefault();var t=t.target.ancestor("li").getData("comment"),e=this.get("editor");this.hide(),t.pageno=t.clean().pageno,t.pageno!==e.currentpage&&(e.currentpage=t.pageno,e.change_page()),t.node=t.drawable.nodes[0].one("textarea"),t.node.ancestor("div").removeClass("commentcollapsed"),t.node.focus()},show:function(){var i=this.get("boundingBox").one("ul"),t=this.get("editor");i.all("li").remove(!0),u.each(t.pages,function(t){u.each(t.comments,function(t){var e=u.Node.create('<li><a href="#" tabindex="-1"><pre>'+t.rawtext+"</pre></a></li>");i.append(e),e.setData("comment",t)},this)},this),this.centerDialogue(),b.superclass.show.call(this)}},{NAME:"commentsearch",ATTRS:{editor:{value:null}}}),u.Base.modifyAttrs(b,{modal:{getter:function(){return!0}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.commentsearch=b,t=function(d,t,e,i,s,n,a,o){this.editor=d,this.gradeid=t||0,this.x=parseInt(i,10)||0,this.y=parseInt(s,10)||0,this.width=parseInt(n,10)||0,this.rawtext=o||"",this.pageno=e||0,this.colour=a||"yellow",this.drawable=!1,this.deleteme=!1,this.menulink=null,this.menu=null,this.clean=function(){return{gradeid:this.gradeid,x:parseInt(this.x,10),y:parseInt(this.y,10),width:parseInt(this.width,10),rawtext:this.rawtext,pageno:parseInt(this.pageno,10),colour:this.colour}},this.draw=function(t){var e=new M.assignfeedback_editpdf.drawable(this.editor),i=this.editor.get_dialogue_element(g),s=u.Node.create("<textarea/>"),n=u.Node.create('<div class="commentdrawable"/>'),a=u.Node.create("<label/>"),o=u.Node.create('<svg xmlns="http://www.w3.org/2000/svg" viewBox="-0.5 -0.5 13 13" preserveAspectRatio="xMinYMin meet"><path d="M11 0H1C.4 0 0 .4 0 1v6c0 .6.4 1 1 1h1v4l4-4h5c.6 0 1-.4 1-1V1c0-.6-.4-1-1-1z" fill="currentColor" opacity="0.9" stroke="rgb(153, 153, 153)" stroke-width="0.5"/></svg>'),r=u.Node.create('<a href="#"><img src="'+M.util.image_url("t/contextmenu","core")+'"/></a>');return this.menulink=r,n.append(a),a.append(s),n.append(o),n.setAttribute("tabindex","-1"),a.setAttribute("tabindex","0"),s.setAttribute("tabindex","-1"),r.setAttribute("tabindex","0"),this.editor.get("readonly")?s.setAttribute("readonly","readonly"):n.append(r),this.width<100&&(this.width=100),a=this.editor.get_window_coordinates(new M.assignfeedback_editpdf.point(this.x,this.y)),s.setStyles({width:this.width+"px",backgroundColor:O[this.colour],color:"rgb(51, 51, 51)"}),i.append(n),n.setStyle("position","absolute"),n.setX(a.x),n.setY(a.y),e.store_position(n,a.x,a.y),e.nodes.push(n),s.set("value",this.rawtext),i=s.get("scrollHeight"),s.setStyles({height:i+"px",overflow:"hidden"}),o.setStyle("color",O[this.colour]),this.attach_events(s,r),t?s.focus():d.collapsecomments&&n.addClass("commentcollapsed"),this.drawable=e},this.delete_comment_later=function(){this.deleteme&&this.remove()},this.attach_events=function(i,e){var s=i.ancestor("div"),t=i.ancestor("label"),n=t.next("svg");
+i.collapse=function(t){i.collapse.delay=u.later(t,i,function(){d.collapsecomments&&s.addClass("commentcollapsed")})},i.expand=function(){!0!==i.getData("dragging")&&(i.collapse.delay&&i.collapse.delay.cancel(),s.removeClass("commentcollapsed"))},s.on("mouseenter",function(){"comment"!==d.currentedit.tool&&"select"!==d.currentedit.tool&&!this.editor.get("readonly")||i.expand()},this),s.on("click|tap",function(){i.expand(),i.focus()},this),i.on("keyup",function(t){9===t.keyCode&&t.shiftKey&&"0"===e.getAttribute("tabindex")&&e.focus(),e.setAttribute("tabindex","0")},this),e.on("keydown",function(t){9===t.keyCode&&t.shiftKey&&e.setAttribute("tabindex","-1")},this),t.on("focus",function(){i.active=!0,i.collapse.delay&&i.collapse.delay.cancel(),i.setAttribute("tabindex","0"),i.expand(),i.focus(),t.setAttribute("tabindex","-1")},this),e.on("focus",function(){i.active=!0,i.collapse.delay&&i.collapse.delay.cancel(),this.deleteme=!1,t.setAttribute("tabindex","0")},this),i.on("blur",function(){i.setAttribute("tabindex","-1")},this),t.on("blur",function(){t.setAttribute("tabindex","0")},this),s.on("mouseleave",function(){d.collapsecomments&&!0!==i.active&&i.collapse(400)},this),s.on("blur",function(){i.active=!1,i.collapse(800)},this),this.editor.get("readonly")||(i.on("blur",function(){this.rawtext=i.get("value"),this.width=parseInt(i.getStyle("width"),10),""===this.rawtext.replace(/^\s+|\s+$/g,"")&&(this.deleteme=!0,u.later(400,this,this.delete_comment_later)),this.editor.save_current_page(),this.editor.editingcomment=!1},this),e.setData("comment",this),i.on("keyup",function(){i.setStyle("height","auto");var t=i.get("scrollHeight");t===parseInt(i.getStyle("height"),10)+8&&(t-=8),i.setStyle("height",t+"px")}),i.on("gesturemovestart",function(t){"select"===d.currentedit.tool&&(t.preventDefault(),d.collapsecomments?(i.setData("offsetx",8),i.setData("offsety",8)):(i.setData("offsetx",t.clientX-s.getX()),i.setData("offsety",t.clientY-s.getY())))}),i.on("gesturemove",function(t){var e;"select"===d.currentedit.tool&&(e=t.clientX-i.getData("offsetx"),t=t.clientY-i.getData("offsety"),!0!==i.getData("dragging")&&(i.collapse(0),i.setData("dragging",!0)),e=this.editor.get_canvas_coordinates(new M.assignfeedback_editpdf.point(e,t)),(t=this.editor.get_canvas_bounds(!0)).x=0,t.y=0,t.width-=24,t.height-=24,e.clip(t),this.x=e.x,this.y=e.y,t=this.editor.get_window_coordinates(e),s.setX(t.x),s.setY(t.y),this.drawable.store_position(s,t.x,t.y))},null,this),i.on("gesturemoveend",function(){"select"===d.currentedit.tool&&(!0===i.getData("dragging")&&i.setData("dragging",!1),this.editor.save_current_page())},null,this),n.on("gesturemovestart",function(t){"select"===d.currentedit.tool&&(t.preventDefault(),i.setData("offsetx",t.clientX-s.getX()),i.setData("offsety",t.clientY-s.getY()),i.expand())}),n.on("gesturemove",function(t){var e;"select"===d.currentedit.tool&&(e=t.clientX-i.getData("offsetx"),t=t.clientY-i.getData("offsety"),!0!==i.getData("dragging")&&(i.collapse(100),i.setData("dragging",!0)),e=this.editor.get_canvas_coordinates(new M.assignfeedback_editpdf.point(e,t)),(t=this.editor.get_canvas_bounds(!0)).x=0,t.y=0,t.width-=24,t.height-=24,e.clip(t),this.x=e.x,this.y=e.y,t=this.editor.get_window_coordinates(e),s.setX(t.x),s.setY(t.y),this.drawable.store_position(s,t.x,t.y))},null,this),n.on("gesturemoveend",function(){"select"===d.currentedit.tool&&(!0===i.getData("dragging")&&i.setData("dragging",!1),this.editor.save_current_page())},null,this),this.menu=new M.assignfeedback_editpdf.commentmenu({buttonNode:this.menulink,comment:this}))},this.remove=function(){for(var t=0,e=this.editor.pages[this.editor.currentpage].comments,t=0;t<e.length;t++)if(e[t]===this)return e.splice(t,1),this.drawable.erase(),void this.editor.save_current_page()},this.remove_from_quicklist=function(t,e){t.preventDefault(),t.stopPropagation(),this.menu.hide(),this.editor.quicklist.remove(e)},this.set_from_quick_comment=function(t,e){t.preventDefault(),this.menu.hide(),this.deleteme=!1,this.rawtext=e.rawtext,this.width=e.width,this.colour=e.colour,this.editor.save_current_page(),this.editor.redraw(),this.node=this.drawable.nodes[0].one("textarea"),this.node.ancestor("div").removeClass("commentcollapsed"),this.node.focus()},this.add_to_quicklist=function(t){t.preventDefault(),this.menu.hide(),this.editor.quicklist.add(this)},this.draw_current_edit=function(t){var e=new M.assignfeedback_editpdf.drawable(this.editor),i=new M.assignfeedback_editpdf.rect;return i.bound([t.start,t.end]),t=this.editor.graphic.addShape({type:u.Rect,width:i.width,height:i.height,fill:{color:O[t.commentcolour]},x:i.x,y:i.y}),e.shapes.push(t),e},this.init_from_edit=function(t){var e=new M.assignfeedback_editpdf.rect;return e.bound([t.start,t.end]),e.width<100&&(e.width=100),this.gradeid=this.editor.get("gradeid"),this.pageno=this.editor.currentpage,this.x=e.x,this.y=e.y,this.width=e.width,this.colour=t.commentcolour,this.rawtext="",e.has_min_width()&&e.has_min_height()},this.updatePosition=function(){var t=this.drawable.nodes[0].one("textarea"),t=t.ancestor("div"),e=new M.assignfeedback_editpdf.point(this.x,this.y),e=this.editor.get_window_coordinates(e);t.setX(e.x),t.setY(e.y),this.drawable.store_position(t,e.x,e.y)}},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.comment=t,t=function(t,e,i,s){this.rawtext=e||"",this.id=t||0,this.width=i||100,this.colour=s||"yellow"},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.quickcomment=t,t=function(t){this.editor=t,this.comments=[],this.add=function(t){var e=o;""!==t.rawtext&&(t={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"addtoquicklist",userid:this.editor.get("userid"),commenttext:t.rawtext,width:t.width,colour:t.colour,attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(t,e){var i,s;try{if((i=u.JSON.parse(e.responseText)).error)return new M.core.ajaxException(i);
+s=new M.assignfeedback_editpdf.quickcomment(i.id,i.rawtext,i.width,i.colour),this.comments.push(s),this.comments.sort(function(t,e){return t.rawtext.localeCompare(e.rawtext)})}catch(n){return new M.core.exception(n)}},failure:function(t,e){return M.core.exception(e.responseText)}}},u.io(e,t))},this.remove=function(e){var t,i=o;e&&(t={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"removefromquicklist",userid:this.editor.get("userid"),commentid:e.id,attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(){var t=this.comments.indexOf(e);0<=t&&this.comments.splice(t,1)},failure:function(t,e){return M.core.exception(e.responseText)}}},u.io(i,t))},this.load=function(){var t=o,e={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"loadquicklist",userid:this.editor.get("userid"),attemptnumber:this.editor.get("attemptnumber"),assignmentid:this.editor.get("assignmentid")},on:{success:function(t,e){var i;try{if((i=u.JSON.parse(e.responseText)).error)return new M.core.ajaxException(i);u.each(i,function(t){t=new M.assignfeedback_editpdf.quickcomment(t.id,t.rawtext,t.width,t.colour);this.comments.push(t)},this),this.comments.sort(function(t,e){return t.rawtext.localeCompare(e.rawtext)})}catch(s){return new M.core.exception(s)}},failure:function(t,e){return M.core.exception(e.responseText)}}};u.io(t,e)}},M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.quickcommentlist=t,(w=function(){w.superclass.constructor.apply(this,arguments)}).prototype={oldannotationcoordinates:null,dialogue:null,panel:null,pagecount:0,currentpage:0,pages:[],documentstatus:0,loadingicon:null,pageimage:null,graphic:null,currentedit:new M.assignfeedback_editpdf.edit,currentdrawable:!1,drawables:[],currentcomment:null,currentannotation:null,lastannotation:null,lastannotationtool:"pen",quicklist:null,searchcommentswindow:null,currentstamp:null,stamps:[],editingcomment:!1,collapsecomments:!0,initializer:function(){var e=u.one("#"+this.get("linkid"));e&&(e.on("click",this.link_handler,this),e.on("key",this.link_handler,"down:13",this),require(["mod_assign/grading_review_panel"],function(t){t=new t,t=t.getReviewPanel("assignfeedback_editpdf");t&&((t=u.one(t)).empty(),e.ancestor(".fitem").hide(),this.open_in_panel(t)),this.currentedit.start=!1,this.currentedit.end=!1,this.get("readonly")||(this.quicklist=new M.assignfeedback_editpdf.quickcommentlist(this))}.bind(this)))},refresh_button_state:function(){var t,e,i=this.get_dialogue_element(q),s=M.util.image_url("background_colour_"+this.currentedit.commentcolour,"assignfeedback_editpdf");switch(i.one("img").setAttribute("src",s),"clear"===this.currentedit.commentcolour?i.one("img").setStyle("borderStyle","dashed"):i.one("img").setStyle("borderStyle","solid"),i=this.get_dialogue_element(z),s=M.util.image_url("colour_"+this.currentedit.annotationcolour,"assignfeedback_editpdf"),i.one("img").setAttribute("src",s),(s=this.get_dialogue_element(B[this.currentedit.tool])).addClass("assignfeedback_editpdf_selectedbutton"),s.setAttribute("aria-pressed","true"),this.get_dialogue_element(r).setAttribute("data-currenttool",this.currentedit.tool),i=this.get_dialogue_element(X),t=this.get_stamp_image_url(this.currentedit.stamp),i.one("img").setAttrs({src:t,height:"16",width:"16"}),e=this.get_dialogue_element(g),this.currentedit.tool){case"drag":e.setStyle("cursor","move");break;case"highlight":e.setStyle("cursor","text");break;case"select":e.setStyle("cursor","default");break;case"stamp":e.setStyle("cursor","url("+t+"), crosshair");break;default:e.setStyle("cursor","crosshair")}},get_canvas_bounds:function(){var t=this.get_dialogue_element(g),e=t.getXY(),i=e[0],e=e[1],s=parseInt(t.getStyle("width"),10),t=parseInt(t.getStyle("height"),10);return new M.assignfeedback_editpdf.rect(i,e,s,t)},get_canvas_coordinates:function(t){var e=this.get_canvas_bounds(),t=new M.assignfeedback_editpdf.point(t.x-e.x,t.y-e.y);return e.x=e.y=0,t.clip(e),t},get_window_coordinates:function(t){var e=this.get_canvas_bounds();return new M.assignfeedback_editpdf.point(t.x+e.x,t.y+e.y)},open_in_panel:function(t){(this.panel=t).append(this.get("body")),t.addClass(y),this.loadingicon=this.get_dialogue_element(I),t=this.get_dialogue_element(g),this.graphic=new u.Graphic({render:t}),this.get("readonly")||(t.on("gesturemovestart",this.edit_start,null,this),t.on("gesturemove",this.edit_move,null,this),t.on("gesturemoveend",this.edit_end,null,this),this.refresh_button_state()),this.start_generation()},link_handler:function(t){var e=!0;t.preventDefault(),this.dialogue||(this.dialogue=new M.core.dialogue({headerContent:this.get("header"),bodyContent:this.get("body"),footerContent:this.get("footer"),modal:!0,width:"840px",visible:!1,draggable:!0}),this.dialogue.get("boundingBox").addClass(y),this.loadingicon=this.get_dialogue_element(I),t=this.get_dialogue_element(g),this.graphic=new u.Graphic({render:t}),this.get("readonly")||(t.on("gesturemovestart",this.edit_start,null,this),t.on("gesturemove",this.edit_move,null,this),t.on("gesturemoveend",this.edit_end,null,this),this.refresh_button_state()),this.start_generation(),t.on("windowresize",this.resize,this),e=!1),this.dialogue.centerDialogue(),this.dialogue.show(),this.dialogue.dd.on("drag:end",this.redraw,this),e&&this.resize()},start_generation:function(){this.poll_document_conversion_status()},poll_document_conversion_status:function(){var n=this.get("userid");u.io(o,{method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"pollconversions",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),readonly:this.get("readonly")?1:0},on:{success:function(t,e){var i,s=u.one(L);s&&(i=s.getAttribute("data-userid"))&&i!=n||(s=!1,(i=this.handle_response_data(e))&&(this.documentstatus=i.status,0===i.status||1===i.status||3===i.status?s=!0:2!==i.status&&-1!==i.status||(this.pagecount=i.pagecount,
+i.pageready==i.pagecount?this.prepare_pages_for_display(i):(this.update_page_load_progress(),this.start_document_to_image_conversion())),s&&u.later(1e3,this,this.poll_document_conversion_status)))},failure:function(t,e){return new M.core.exception(e.responseText)}}})},start_document_to_image_conversion:function(){u.io(o,{method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"pollconversions",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),readonly:this.get("readonly")?1:0},on:{success:function(t,e){e=this.handle_response_data(e);e&&(this.documentstatus=e.status,2===e.status&&this.prepare_pages_for_display(e))},failure:function(t,e){return new M.core.exception(e.responseText)}}})},warning:function(t,e){var i,s=this.get_dialogue_element(Y),n=this.get_dialogue_element(E),a=15,o="assignfeedback_editpdf_warningmessages alert alert-warning";e&&(a=4,o="assignfeedback_editpdf_warningmessages alert alert-info"),(i=u.Node.create('<div class="'+o+'" role="alert"></div>')).append(s.one("*").cloneNode()),i.append(t),n.prepend(i),i.transition({duration:1,delay:a,opacity:0},function(){i.remove()})},prepare_pages_for_display:function(t){var e,i,s,n;if(!t.pagecount)return this.dialogue&&this.dialogue.hide(),void new M.core.alert({message:M.util.get_string("cannotopenpdf","assignfeedback_editpdf")}).show();for(this.pages=t.pages,e=0;e<this.pages.length;e++){for(i=0;i<this.pages[e].comments.length;i++)s=this.pages[e].comments[i],this.pages[e].comments[i]=new M.assignfeedback_editpdf.comment(this,s.gradeid,s.pageno,s.x,s.y,s.width,s.colour,s.rawtext);for(i=0;i<this.pages[e].annotations.length;i++)n=this.pages[e].annotations[i],this.pages[e].annotations[i]=this.create_annotation(n.type,n)}!this.get("readonly")&&t.partial&&this.warning(M.util.get_string("partialwarning","assignfeedback_editpdf"),!1),this.quicklist&&this.quicklist.load(),this.setup_navigation(),this.setup_toolbar(),this.change_page()},update_page_load_progress:function(){var s,n=0;this.get_dialogue_element(C+" .bar")&&(s={method:"get",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"conversionstatus",userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid")},on:{success:function(t,e){var i;n=0;(i=this.get_dialogue_element(C+" .bar"))&&(e=e.response/this.pagecount*100,i.setStyle("width",e+"%"),i.ancestor(C).setAttribute("aria-valuenow",e),e<100&&(M.util.js_pending("checkconversionstatus"),u.later(1e3,this,function(){M.util.js_complete("checkconversionstatus"),u.io(k,s)})))},failure:function(t,e){return n+=1,0===this.pagecount&&n<5&&(M.util.js_pending("checkconversionstatus"),u.later(1e3,this,function(){M.util.js_complete("checkconversionstatus"),u.io(k,s)})),new M.core.exception(e.responseText)}}},M.util.js_pending("checkconversionstatus"),u.later(1e3,this,function(){n=0,M.util.js_complete("checkconversionstatus"),u.io(k,s)}))},handle_response_data:function(t){var e;try{if(!(e=u.JSON.parse(t.responseText)).error)return e;this.dialogue&&this.dialogue.hide(),new M.core.alert({message:M.util.get_string("cannotopenpdf","assignfeedback_editpdf"),visible:!0})}catch(i){this.dialogue&&this.dialogue.hide(),new M.core.alert({title:M.util.get_string("cannotopenpdf","assignfeedback_editpdf"),visible:!0})}},get_stamp_image_url:function(e){var t=this.get("stampfiles"),i="";return u.Array.each(t,function(t){0<t.indexOf(e)&&(i=t)},this),i},setup_toolbar:function(){var i,t,e=this.get_dialogue_element(S);e.on("click",this.open_search_comments,this),e.on("key",this.open_search_comments,"down:13",this),(e=this.get_dialogue_element(A)).on("click",this.expandCollapseComments,this),e.on("key",this.expandCollapseComments,"down:13",this),this.get("readonly")||((e=this.get_dialogue_element(P)).on("click",this.rotatePDF,this,!0),e.on("key",this.rotatePDF,"down:13",this,!0),(e=this.get_dialogue_element(j)).on("click",this.rotatePDF,this,!1),e.on("key",this.rotatePDF,"down:13",this,!1),this.disable_touch_scroll(),u.each(B,function(t,e){(i=this.get_dialogue_element(t)).on("click",this.handle_tool_button,this,e),i.on("key",this.handle_tool_button,"down:13",this,e),i.setAttribute("aria-pressed","false")},this),e=this.get_dialogue_element(q),new M.assignfeedback_editpdf.colourpicker({buttonNode:e,colours:O,iconprefix:"background_colour_",callback:function(t){var e=(e=t.target.getAttribute("data-colour"))||t.target.ancestor().getAttribute("data-colour");this.currentedit.commentcolour=e,this.handle_tool_button(t,"comment")},context:this}),e=this.get_dialogue_element(z),new M.assignfeedback_editpdf.colourpicker({buttonNode:e,iconprefix:"colour_",colours:d,callback:function(t){var e=(e=t.target.getAttribute("data-colour"))||t.target.ancestor().getAttribute("data-colour");this.currentedit.annotationcolour=e,this.lastannotationtool?this.handle_tool_button(t,this.lastannotationtool):this.handle_tool_button(t,"pen")},context:this}),(e=this.get("stampfiles")).length<=0?this.get_dialogue_element(B.stamp).ancestor().hide():(t=e[0].substr(e[0].lastIndexOf("/")+1),this.currentedit.stamp=t,t=this.get_dialogue_element(X),new M.assignfeedback_editpdf.stamppicker({buttonNode:t,stamps:e,callback:function(t){var e=t.target.getAttribute("data-stamp"),e=(e=e||t.target.ancestor().getAttribute("data-stamp")).substr(e.lastIndexOf("/"));this.currentedit.stamp=e,this.handle_tool_button(t,"stamp")},context:this}),this.refresh_button_state()))},handle_tool_button:function(t,e){t.preventDefault(),(t=this.get_dialogue_element(B[this.currentedit.tool])).removeClass("assignfeedback_editpdf_selectedbutton"),t.setAttribute("aria-pressed","false"),"comment"!==(this.currentedit.tool=e)&&"select"!==e&&"drag"!==e&&"stamp"!==e&&(this.lastannotationtool=e),this.refresh_button_state()},stringify_current_page:function(){for(var t=[],e=[],i=0,i=0;i<this.pages[this.currentpage].comments.length;i++)t[i]=this.pages[this.currentpage].comments[i].clean();for(
+i=0;i<this.pages[this.currentpage].annotations.length;i++)e[i]=this.pages[this.currentpage].annotations[i].clean();return u.JSON.stringify({comments:t,annotations:e})},get_current_drawable:function(){var t,e=!1;return!(!this.currentedit.start||!this.currentedit.end)&&("comment"===this.currentedit.tool?e=new M.assignfeedback_editpdf.comment(this).draw_current_edit(this.currentedit):(t=this.create_annotation(this.currentedit.tool,{}))&&(e=t.draw_current_edit(this.currentedit)),e)},get_dialogue_element:function(t){return(this.panel||this.dialogue.get("boundingBox")).one(t)},redraw_current_edit:function(){this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=this.get_current_drawable()},edit_start:function(t){var e,i,s=this.get_dialogue_element(g),n=s.getXY(),a=s.get("docScrollY"),s=s.get("docScrollX"),s={x:t.clientX-n[0]+s,y:t.clientY-n[1]+a},o=!1;3!==t.button&&(this.currentedit.starttime||this.editingcomment||(this.currentedit.starttime=(new Date).getTime(),this.currentedit.start=s,this.currentedit.end={x:s.x,y:s.y},"select"===this.currentedit.tool&&(e=this.currentedit.end.x,i=this.currentedit.end.y,n=this.pages[this.currentpage].annotations,u.each(n,function(t){(e-t.x)*(e-t.endx)<=0&&(i-t.y)*(i-t.endy)<=0&&(o=t)}),o?(this.lastannotation=this.currentannotation,this.currentannotation=o,this.lastannotation&&this.lastannotation!==o&&this.lastannotation.drawable&&(this.lastannotation.drawable.erase(),this.drawables.push(this.lastannotation.draw())),this.currentannotation.drawable&&this.currentannotation.drawable.erase(),this.drawables.push(this.currentannotation.draw())):(this.lastannotation=this.currentannotation,this.currentannotation=null,this.lastannotation&&this.lastannotation.drawable&&(this.lastannotation.drawable.erase(),this.drawables.push(this.lastannotation.draw())))),this.currentannotation&&(this.currentedit.annotationstart={x:this.currentannotation.x,y:this.currentannotation.y})))},edit_move:function(t){var e=this.get_canvas_bounds(),i=this.get_dialogue_element(g),s=this.get_dialogue_element(r),i=new M.assignfeedback_editpdf.point(t.clientX+i.get("docScrollX"),t.clientY+i.get("docScrollY")),i=this.get_canvas_coordinates(i);"textarea"!==document.activeElement.type&&(t.preventDefault(),i.x<0||i.x>e.width||i.y<0||i.y>e.height||("pen"===this.currentedit.tool&&this.currentedit.path.push(i),"select"===this.currentedit.tool?this.currentannotation&&this.currentedit&&this.currentannotation.move(this.currentedit.annotationstart.x+i.x-this.currentedit.start.x,this.currentedit.annotationstart.y+i.y-this.currentedit.start.y):"drag"===this.currentedit.tool?(t=i.x-this.currentedit.start.x,e=i.y-this.currentedit.start.y,s.getDOMNode().scrollLeft-=t,s.getDOMNode().scrollTop-=e):this.currentedit.start&&(this.currentedit.end=i,this.redraw_current_edit())))},edit_end:function(){var t;(new Date).getTime()-this.currentedit.start<300||!1===this.currentedit.start||("comment"===this.currentedit.tool?(this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=!1,(t=new M.assignfeedback_editpdf.comment(this)).init_from_edit(this.currentedit)&&(this.pages[this.currentpage].comments.push(t),this.drawables.push(t.draw(!0)),this.editingcomment=!0)):(t=this.create_annotation(this.currentedit.tool,{}))&&(this.currentdrawable&&this.currentdrawable.erase(),this.currentdrawable=!1,t.init_from_edit(this.currentedit)&&(this.pages[this.currentpage].annotations.push(t),this.drawables.push(t.draw()))),this.save_current_page(),this.currentedit.starttime=0,this.currentedit.start=!1,this.currentedit.end=!1,this.currentedit.path=[])},resize:function(){var t,e;if(this.dialogue){if(!this.dialogue.get("visible"))return;this.dialogue.centerDialogue()}return(e=u.one("body").get("winHeight")-120)<100&&(e=100),t=this.get_dialogue_element(r),this.dialogue&&t.setStyle("maxHeight",e+"px"),this.redraw(),!0},create_annotation:function(t,e){return e.type=t,e.editor=this,"line"===t?new M.assignfeedback_editpdf.annotationline(e):"rectangle"===t?new M.assignfeedback_editpdf.annotationrectangle(e):"oval"===t?new M.assignfeedback_editpdf.annotationoval(e):"pen"===t?new M.assignfeedback_editpdf.annotationpen(e):"highlight"===t?new M.assignfeedback_editpdf.annotationhighlight(e):"stamp"===t&&new M.assignfeedback_editpdf.annotationstamp(e)},save_current_page:function(){this.clear_warnings(!1);var t=o,e={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"savepage",index:this.currentpage,userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),page:this.stringify_current_page()},on:{success:function(t,e){var i;try{if((i=u.JSON.parse(e.responseText)).error)return new M.core.ajaxException(i);u.one(R).set("value","true"),this.warning(M.util.get_string("draftchangessaved","assignfeedback_editpdf"),!0)}catch(s){return new M.core.exception(s)}},failure:function(t,e){return new M.core.exception(e.responseText)}}};u.io(t,e)},open_search_comments:function(t){this.searchcommentswindow||(this.searchcommentswindow=new M.assignfeedback_editpdf.commentsearch({editor:this})),this.searchcommentswindow.show(),t.preventDefault()},expandCollapseComments:function(){var t=u.all(".commentdrawable");this.collapsecomments?(this.collapsecomments=!1,t.removeClass("commentcollapsed")):(this.collapsecomments=!0,t.addClass("commentcollapsed"))},redraw:function(){var t,e=this.pages[this.currentpage];if(e!==undefined){for(;0<this.drawables.length;)this.drawables.pop().erase();for(t=0;t<e.annotations.length;t++)this.drawables.push(e.annotations[t].draw());for(t=0;t<e.comments.length;t++)this.drawables.push(e.comments[t].draw(!1))}},clear_warnings:function(t){var e=this.get_dialogue_element(E);t?e.empty():e.all(".alert-info").remove(!0)},change_page:function(){var t=this.get_dialogue_element(g),e=this.get_dialogue_element(x),i=this.get_dialogue_element(v);0<this.currentpage?e.removeAttribute("disabled"):e.setAttribute("disabled","true"),
+this.currentpage<this.pagecount-1?i.removeAttribute("disabled"):i.setAttribute("disabled","true"),e=this.pages[this.currentpage],this.loadingicon&&this.loadingicon.hide(),t.setStyle("backgroundImage",'url("'+e.url+'")'),t.setStyle("width",e.width+"px"),t.setStyle("height",e.height+"px"),t.scrollIntoView(),this.get_dialogue_element(T).set("selectedIndex",this.currentpage),this.resize()},setup_navigation:function(){var t,e,i,s,n=this.get_dialogue_element(T),a=n.all("option");if(a.size()<=1)for(t=0;t<this.pages.length;t++)(i=u.Node.create("<option/>")).setAttribute("value",t),e={page:t+1,total:this.pages.length},i.setHTML(M.util.get_string("pagexofy","assignfeedback_editpdf",e)),n.append(i);n.removeAttribute("disabled"),n.on("change",function(){this.currentpage=n.get("value"),this.clear_warnings(!1),this.change_page()},this),a=this.get_dialogue_element(x),s=this.get_dialogue_element(v),a.on("click",this.previous_page,this),a.on("key",this.previous_page,"down:13",this),s.on("click",this.next_page,this),s.on("key",this.next_page,"down:13",this)},previous_page:function(t){t.preventDefault(),this.currentpage--,this.currentpage<0&&(this.currentpage=0),this.clear_warnings(!1),this.change_page()},next_page:function(t){t.preventDefault(),this.currentpage++,this.currentpage>=this.pages.length&&(this.currentpage=this.pages.length-1),this.clear_warnings(!1),this.change_page()},move_canvas:function(){for(var t=this.get_dialogue_element(r),e=parseInt(t.get("scrollLeft"),10),i=parseInt(t.get("scrollTop"),10),s=0;s<this.drawables.length;s++)this.drawables[s].scroll_update(e,i)},rotatePDF:function(h,t){var l,e,i,s,n;if(h.preventDefault(),!this.get("destroyed")){for((l=this).oldannotationcoordinates=[],i=this.pages[this.currentpage].annotations,e=0;e<i.length;e++)s=i[e],this.oldannotationcoordinates.push([s.x,s.y]);n=o,t={method:"post",context:this,sync:!1,data:{sesskey:M.cfg.sesskey,action:"rotatepage",index:this.currentpage,userid:this.get("userid"),attemptnumber:this.get("attemptnumber"),assignmentid:this.get("assignmentid"),rotateleft:t},on:{success:function(c,t){var e,i,s,n,a,o,r,d;try{for(e=u.JSON.parse(t.responseText),(i=l.pages[l.currentpage]).url=e.page.url,i.width=e.page.width,i.height=e.page.height,l.loadingicon.hide(),(s=l.get_dialogue_element(g)).setStyle("backgroundImage",'url("'+i.url+'")'),s.setStyle("width",i.width+"px"),s.setStyle("height",i.height+"px"),a=i.annotations,n=0;n<a.length;n++)l.oldannotationcoordinates&&l.oldannotationcoordinates[n]&&(o=l.oldannotationcoordinates[n][0],r=l.oldannotationcoordinates[n][1],a[n].move(o,r));for(d=i.comments,n=0;n<d.length;n++)d[n].updatePosition();return l.save_current_page()}catch(h){return new M.core.exception(h)}},failure:function(t,e){return new M.core.exception(e.responseText)}}},u.io(n,t)}},event_listener_options_supported:function(){var t,e=!1,i="testpassiveeventoptions";try{t=Object.defineProperty({},"passive",{get:function(){e=!0}}),document.addEventListener(i,t,t),document.removeEventListener(i,t,t)}catch(s){e=!1}return e},disable_touch_scroll:function(){this.event_listener_options_supported()&&document.addEventListener("touchmove",this.stop_touch_scroll.bind(this),{passive:!1})},stop_touch_scroll:function(t){this.get_dialogue_element(r).contains(t.target)&&(t.stopPropagation(),t.preventDefault())}},u.extend(w,u.Base,w.prototype,{NAME:"moodle-assignfeedback_editpdf-editor",ATTRS:{userid:{validator:u.Lang.isInteger,value:0},assignmentid:{validator:u.Lang.isInteger,value:0},attemptnumber:{validator:u.Lang.isInteger,value:0},header:{validator:u.Lang.isString,value:""},body:{validator:u.Lang.isString,value:""},footer:{validator:u.Lang.isString,value:""},linkid:{validator:u.Lang.isString,value:""},deletelinkid:{validator:u.Lang.isString,value:""},readonly:{validator:u.Lang.isBoolean,value:!0},stampfiles:{validator:u.Lang.isArray,value:""}}}),M.assignfeedback_editpdf=M.assignfeedback_editpdf||{},M.assignfeedback_editpdf.editor=M.assignfeedback_editpdf.editor||{},M.assignfeedback_editpdf.editor.init=M.assignfeedback_editpdf.editor.init||function(t){return M.assignfeedback_editpdf.instance=new w(t),M.assignfeedback_editpdf.instance}},"@VERSION@",{requires:["base","event","node","io","graphics","json","event-move","event-resize","transition","querystring-stringify-simple","moodle-core-notification-dialog","moodle-core-notification-alert","moodle-core-notification-warning","moodle-core-notification-exception","moodle-core-notification-ajaxexception"]});
\ No newline at end of file
diff --git a/mod/assign/yui/build/moodle-mod_assign-history/moodle-mod_assign-history-min.js b/mod/assign/yui/build/moodle-mod_assign-history/moodle-mod_assign-history-min.js
index 9c16890b5f6..6660d05e5b7 100644
--- a/mod/assign/yui/build/moodle-mod_assign-history/moodle-mod_assign-history-min.js
+++ b/mod/assign/yui/build/moodle-mod_assign-history/moodle-mod_assign-history-min.js
@@ -1 +1 @@
-YUI.add("moodle-mod_assign-history",function(o,s){var d="mod-assign-history-link",a="mod-assign-history-link-open",l="mod-assign-history-link-closed",h="mod-assign-history-panel",n=0,r=function(){var s=this.get("for"),i=o.one("#"+s);this.hasClass(a)?(this.removeClass(a),this.addClass(l),this.setStyle("overflow","hidden"),i.hide()):(this.removeClass(l),this.addClass(a),i.show())};o.Node.addMethod("history",function(){var s=null,i=null,e=null,t=this;this.get("children").each(function(){s=s?(n++,e=o.Node.create("<a/>"),i=this,t.insertBefore(e,s),s.remove(!1),e.appendChild(s),i.get("id")||i.set("id",h+n),e.set("for",i.get("id")),i.set("aria-live","polite"),e.addClass(d),1==n?e.addClass(a):e.addClass(l),i.addClass(h),1==n?i.show():i.hide(),null):this}),this.delegate("click",r,"."+d)}),o.NodeList.importMethod(o.Node.prototype,"history")},"@VERSION@",{requires:["node","transition"]});
\ No newline at end of file
+YUI.add("moodle-mod_assign-history",function(o,s){var d={LINK:"mod-assign-history-link",OPEN:"mod-assign-history-link-open",CLOSED:"mod-assign-history-link-closed",PANEL:"mod-assign-history-panel"},a=0,h=function(){var s=this.get("for"),s=o.one("#"+s);this.hasClass(d.OPEN)?(this.removeClass(d.OPEN),this.addClass(d.CLOSED),this.setStyle("overflow","hidden"),s.hide()):(this.removeClass(d.CLOSED),this.addClass(d.OPEN),s.show())};o.Node.addMethod("history",function(){var s,i=null,e=null,t=this;this.get("children").each(function(){i=i?(a++,e=o.Node.create("<a/>"),s=this,t.insertBefore(e,i),i.remove(!1),e.appendChild(i),s.get("id")||s.set("id",d.PANEL+a),e.set("for",s.get("id")),s.set("aria-live","polite"),e.addClass(d.LINK),1==a?e.addClass(d.OPEN):e.addClass(d.CLOSED),s.addClass(d.PANEL),1==a?s.show():s.hide(),null):this}),this.delegate("click",h,"."+d.LINK)}),o.NodeList.importMethod(o.Node.prototype,"history")},"@VERSION@",{requires:["node","transition"]});
\ No newline at end of file
diff --git a/mod/forum/amd/build/discussion_nested_v2.min.js b/mod/forum/amd/build/discussion_nested_v2.min.js
index 645ee6ef849..93b4d146c05 100644
--- a/mod/forum/amd/build/discussion_nested_v2.min.js
+++ b/mod/forum/amd/build/discussion_nested_v2.min.js
@@ -1,2 +1,2 @@
-define ("mod_forum/discussion_nested_v2",["exports","jquery","core/auto_rows","core/custom_interaction_events","core/notification","core/templates","mod_forum/discussion","mod_forum/inpage_reply","mod_forum/lock_toggle","mod_forum/favourite_toggle","mod_forum/pin_toggle","mod_forum/selectors","mod_forum/subscription_toggle"],function(a,b,c,d,e,f,g,h,i,j,k,l,m){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=n(b);c=n(c);d=n(d);e=n(e);f=n(f);g=n(g);h=n(h);i=n(i);j=n(j);k=n(k);l=n(l);m=n(m);var t="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function n(a){return a&&a.__esModule?a:{default:a}}function o(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);if(b)d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable});c.push.apply(c,d)}return c}function p(a){for(var 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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module for viewing a discussion in nested v2 view.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport $ from 'jquery';\nimport AutoRows from 'core/auto_rows';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport Discussion from 'mod_forum/discussion';\nimport InPageReply from 'mod_forum/inpage_reply';\nimport LockToggle from 'mod_forum/lock_toggle';\nimport FavouriteToggle from 'mod_forum/favourite_toggle';\nimport Pin from 'mod_forum/pin_toggle';\nimport Selectors from 'mod_forum/selectors';\nimport Subscribe from 'mod_forum/subscription_toggle';\n\nconst ANIMATION_DURATION = 150;\n\n/**\n * Get the closest post container element from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @return {Object} jQuery element\n */\nconst getPostContainer = (element) => {\n    return element.closest(Selectors.post.post);\n};\n\n/**\n * Get the closest post container element from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @param {Number} id Id of the post to find.\n * @return {Object} jQuery element\n */\nconst getPostContainerById = (element, id) => {\n    return element.find(`${Selectors.post.post}[data-post-id=${id}]`);\n};\n\n/**\n * Get the parent post container elements from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @return {Object} jQuery element\n */\nconst getParentPostContainers = (element) => {\n    return element.parents(Selectors.post.post);\n};\n\n/**\n * Get the post content container element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getPostContentContainer = (postContainer) => {\n    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element\n */\nconst getInPageReplyCreateButton = (postContainer) => {\n    return getPostContentContainer(postContainer).find(Selectors.post.inpageReplyCreateButton);\n};\n\n/**\n * Get the replies visibility toggle container (show/hide replies button container) element\n * from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getRepliesVisibilityToggleContainer = (postContainer) => {\n    return postContainer.children(Selectors.post.repliesVisibilityToggleContainer);\n};\n\n/**\n * Get the replies container element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getRepliesContainer = (postContainer) => {\n    return postContainer.children(Selectors.post.repliesContainer);\n};\n\n/**\n * Check if the post has any replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Bool}\n */\nconst hasReplies = (postContainer) => {\n    return getRepliesContainer(postContainer).children().length > 0;\n};\n\n/**\n * Get the show replies button element from the replies visibility toggle container element.\n *\n * @param {Object} replyVisibilityToggleContainer jQuery element for the toggle container\n * @return {Object} jQuery element\n */\nconst getShowRepliesButton = (replyVisibilityToggleContainer) => {\n    return replyVisibilityToggleContainer.find(Selectors.post.showReplies);\n};\n\n/**\n * Get the hide replies button element from the replies visibility toggle container element.\n *\n * @param {Object} replyVisibilityToggleContainer jQuery element for the toggle container\n * @return {Object} jQuery element\n */\nconst getHideRepliesButton = (replyVisibilityToggleContainer) => {\n    return replyVisibilityToggleContainer.find(Selectors.post.hideReplies);\n};\n\n/**\n * Check if the replies are visible.\n *\n * @param {Object} 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complete: () => {\n            if (postIdToSee) {\n                const postContainerToSee = getPostContainerById(repliesContainer, postIdToSee);\n                if (postContainerToSee.length) {\n                    postContainerToSee[0].scrollIntoView();\n                }\n            }\n        }\n    }).css('display', 'none').fadeIn(ANIMATION_DURATION);\n};\n\n/**\n * Hide the post replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n */\nconst hideReplies = (postContainer) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    const replyVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n    const showButton = getShowRepliesButton(replyVisibilityToggleContainer);\n    const hideButton = getHideRepliesButton(replyVisibilityToggleContainer);\n\n    showButton.removeClass('hidden');\n    hideButton.addClass('hidden');\n\n    repliesContainer.slideUp({\n        duration: ANIMATION_DURATION,\n        queue: false\n    }).fadeOut(ANIMATION_DURATION);\n};\n\n/** Variable to hold the showInPageReplyForm function after it's built. */\nlet showInPageReplyForm = null;\n\n/**\n * Build the showInPageReplyForm function with the given additional template context.\n *\n * @param {Object} additionalTemplateContext Additional render context for the in page reply template.\n * @return {Function}\n */\nconst buildShowInPageReplyFormFunction = (additionalTemplateContext) => {\n    /**\n     * Show the in page reply form in the given in page reply container. The form\n     * display will be animated.\n     *\n     * @param {Object} postContainer jQuery element for the post container\n     */\n    return async (postContainer) => {\n\n        const inPageReplyContainer = getInPageReplyContainer(postContainer);\n        const repliesVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n        const inPageReplyCreateButton = getInPageReplyCreateButton(postContainer);\n\n        if (!hasInPageReplyForm(inPageReplyContainer)) {\n            try {\n                const html = await renderInPageReplyTemplate(additionalTemplateContext, inPageReplyCreateButton, postContainer);\n                Templates.appendNodeContents(inPageReplyContainer, html, '');\n            } catch (e) {\n                Notification.exception(e);\n            }\n\n            // Load formchangechecker module.\n            import('core/yui')\n                .then(Y => {\n                    return new Promise(resolve => {\n                        Y.use('moodle-core-formchangechecker', Y => {\n                            resolve(Y);\n                        });\n                    });\n                })\n                .then(Y => {\n                    M.core_formchangechecker.init({formid: Y.one(postContainer[0].querySelector('form')).generateID()});\n                    return Y;\n                })\n                .catch();\n        }\n\n        inPageReplyCreateButton.fadeOut(ANIMATION_DURATION, () => {\n            const inPageReplyForm = getInPageReplyForm(postContainer);\n            inPageReplyForm.slideDown({\n                duration: ANIMATION_DURATION,\n                queue: false,\n                complete: () => {\n                    inPageReplyForm.find('textarea').focus();\n                }\n            }).css('display', 'none').fadeIn(ANIMATION_DURATION);\n\n            if (repliesVisibilityToggleContainer.length && hasReplies(postContainer)) {\n                repliesVisibilityToggleContainer.fadeIn(ANIMATION_DURATION);\n                hideReplies(postContainer);\n            }\n        });\n    };\n};\n\n/**\n * Hide the in page reply form in the given in page reply container. The form\n * display will be animated.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @param {Number|null} postIdToSee Id of the post to scroll into view (if any)\n */\nconst hideInPageReplyForm = (postContainer, postIdToSee = null) => {\n    const inPageReplyForm = getInPageReplyForm(postContainer);\n    const inPageReplyCreateButton = getInPageReplyCreateButton(postContainer);\n    const repliesVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n\n    if (repliesVisibilityToggleContainer.length && hasReplies(postContainer)) {\n        repliesVisibilityToggleContainer.fadeOut(ANIMATION_DURATION);\n        if (!repliesVisible(postContainer)) {\n            showReplies(postContainer, postIdToSee);\n        }\n    }\n\n    inPageReplyForm.slideUp({\n        duration: ANIMATION_DURATION,\n        queue: false,\n        complete: () => {\n            inPageReplyCreateButton.fadeIn(ANIMATION_DURATION);\n        }\n    }).fadeOut(200);\n};\n\n/**\n * Check if the in page reply container contains the in page reply form.\n *\n * @param {Object} inPageReplyContainer jQuery element for the in page reply container\n * @return {Bool}\n */\nconst hasInPageReplyForm = (inPageReplyContainer) => {\n    return inPageReplyContainer.find(Selectors.post.inpageReplyContent).length > 0;\n};\n\n/**\n * Render the template to generate the in page reply form HTML.\n *\n * @param {Object} additionalTemplateContext Additional render context for the in page reply template\n * @param {Object} button jQuery element for the reply button that was clicked\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery promise\n */\nconst renderInPageReplyTemplate = (additionalTemplateContext, button, postContainer) => {\n    const postContentContainer = getPostContentContainer(postContainer);\n    const currentSubject = postContentContainer.find(Selectors.post.forumSubject).text();\n    const currentAuthorName = postContentContainer.find(Selectors.post.authorName).text();\n    const context = {\n        postid: postContainer.data('post-id'),\n        \"reply_url\": button.attr('data-href'),\n        sesskey: M.cfg.sesskey,\n        parentsubject: currentSubject,\n        parentauthorname: currentAuthorName,\n        canreplyprivately: button.data('can-reply-privately'),\n        postformat: InPageReply.CONTENT_FORMATS.MOODLE,\n        ...additionalTemplateContext\n    };\n\n    return Templates.render('mod_forum/inpage_reply_v2', context);\n};\n\n/**\n * Increment the total reply count in the show/hide replies buttons for the post.\n *\n * @param {Object} postContainer jQuery element for the post container\n */\nconst incrementTotalReplyCount = (postContainer) => {\n    getRepliesVisibilityToggleContainer(postContainer).find(Selectors.post.replyCount).each((index, element) => {\n        const currentCount = parseInt(element.innerText, 10);\n        element.innerText = currentCount + 1;\n    });\n};\n\n/**\n * Create all of the event listeners for the discussion.\n *\n * @param {Object} root jQuery element for the discussion container\n */\nconst registerEventListeners = (root) => {\n    CustomEvents.define(root, [CustomEvents.events.activate]);\n    // Auto expanding text area for in page reply.\n    AutoRows.init(root);\n\n    // Reply button is clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.inpageReplyCreateButton, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.currentTarget));\n        showInPageReplyForm(postContainer);\n    });\n\n    // Cancel in page reply button.\n    root.on(CustomEvents.events.activate, Selectors.post.inpageReplyCancelButton, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.currentTarget));\n        hideInPageReplyForm(postContainer);\n    });\n\n    // Show replies button clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.showReplies, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.target));\n        showReplies(postContainer);\n    });\n\n    // Hide replies button clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.hideReplies, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.target));\n        hideReplies(postContainer);\n    });\n\n    // Post created with in page reply.\n    root.on(InPageReply.EVENTS.POST_CREATED, Selectors.post.inpageSubmitBtn, (e, newPostId) => {\n        const currentTarget = $(e.currentTarget);\n        const postContainer = getPostContainer(currentTarget);\n        const postContainers = getParentPostContainers(currentTarget);\n        hideInPageReplyForm(postContainer, newPostId);\n\n        postContainers.each((index, container) => {\n            incrementTotalReplyCount($(container));\n        });\n    });\n};\n\n/**\n * Initialise the javascript for the discussion in nested v2 display mode.\n *\n * @param {Object} root jQuery element for the discussion container\n * @param {Object} context Additional render context for the in page reply template\n */\nexport const init = (root, context) => {\n    // Build the showInPageReplyForm function with the additional render context.\n    showInPageReplyForm = buildShowInPageReplyFormFunction(context);\n    // Add discussion event listeners.\n    registerEventListeners(root);\n    // Initialise default discussion javascript (keyboard nav etc).\n    Discussion.init(root);\n    // Add in page reply javascript.\n    InPageReply.init(root);\n\n    // Initialise the settings menu javascript.\n    const discussionToolsContainer = root.find(Selectors.discussion.tools);\n    LockToggle.init(discussionToolsContainer, false);\n    FavouriteToggle.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.userstate.favourited ? 0 : 1;\n        return toggleElement.data('targetstate', newTargetState);\n    });\n    Pin.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.pinned ? 0 : 1;\n        return toggleElement.data('targetstate', newTargetState);\n    });\n    Subscribe.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.userstate.subscribed ? 0 : 1;\n        toggleElement.data('targetstate', newTargetState);\n    });\n};\n"],"file":"discussion_nested_v2.min.js"}
\ No newline at end of file
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module for viewing a discussion in nested v2 view.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport $ from 'jquery';\nimport AutoRows from 'core/auto_rows';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport Discussion from 'mod_forum/discussion';\nimport InPageReply from 'mod_forum/inpage_reply';\nimport LockToggle from 'mod_forum/lock_toggle';\nimport FavouriteToggle from 'mod_forum/favourite_toggle';\nimport Pin from 'mod_forum/pin_toggle';\nimport Selectors from 'mod_forum/selectors';\nimport Subscribe from 'mod_forum/subscription_toggle';\n\nconst ANIMATION_DURATION = 150;\n\n/**\n * Get the closest post container element from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @return {Object} jQuery element\n */\nconst getPostContainer = (element) => {\n    return element.closest(Selectors.post.post);\n};\n\n/**\n * Get the closest post container element from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @param {Number} id Id of the post to find.\n * @return {Object} jQuery element\n */\nconst getPostContainerById = (element, id) => {\n    return element.find(`${Selectors.post.post}[data-post-id=${id}]`);\n};\n\n/**\n * Get the parent post container elements from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @return {Object} jQuery element\n */\nconst getParentPostContainers = (element) => {\n    return element.parents(Selectors.post.post);\n};\n\n/**\n * Get the post content container element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getPostContentContainer = (postContainer) => {\n    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element\n */\nconst getInPageReplyCreateButton = (postContainer) => {\n    return getPostContentContainer(postContainer).find(Selectors.post.inpageReplyCreateButton);\n};\n\n/**\n * Get the replies visibility toggle container (show/hide replies button container) element\n * from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getRepliesVisibilityToggleContainer = (postContainer) => {\n    return postContainer.children(Selectors.post.repliesVisibilityToggleContainer);\n};\n\n/**\n * Get the replies container element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getRepliesContainer = (postContainer) => {\n    return postContainer.children(Selectors.post.repliesContainer);\n};\n\n/**\n * Check if the post has any replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Bool}\n */\nconst hasReplies = (postContainer) => {\n    return getRepliesContainer(postContainer).children().length > 0;\n};\n\n/**\n * Get the show replies button element from the replies visibility toggle container element.\n *\n * @param {Object} replyVisibilityToggleContainer jQuery element for the toggle container\n * @return {Object} jQuery element\n */\nconst getShowRepliesButton = (replyVisibilityToggleContainer) => {\n    return replyVisibilityToggleContainer.find(Selectors.post.showReplies);\n};\n\n/**\n * Get the hide replies button element from the replies visibility toggle container element.\n *\n * @param {Object} replyVisibilityToggleContainer jQuery element for the toggle container\n * @return {Object} jQuery element\n */\nconst getHideRepliesButton = (replyVisibilityToggleContainer) => {\n    return replyVisibilityToggleContainer.find(Selectors.post.hideReplies);\n};\n\n/**\n * Check if the replies are visible.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Bool}\n */\nconst repliesVisible = (postContainer) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    return repliesContainer.is(':visible');\n};\n\n/**\n * Show the post replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @param {Number|null} postIdToSee Id of the post to scroll into view (if any)\n */\nconst showReplies = (postContainer, postIdToSee = null) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    const replyVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n    const showButton = getShowRepliesButton(replyVisibilityToggleContainer);\n    const hideButton = getHideRepliesButton(replyVisibilityToggleContainer);\n\n    showButton.addClass('hidden');\n    hideButton.removeClass('hidden');\n\n    repliesContainer.slideDown({\n        duration: ANIMATION_DURATION,\n        queue: false,\n        complete: () => {\n            if (postIdToSee) {\n                const postContainerToSee = getPostContainerById(repliesContainer, postIdToSee);\n                if (postContainerToSee.length) {\n                    postContainerToSee[0].scrollIntoView();\n                }\n            }\n        }\n    }).css('display', 'none').fadeIn(ANIMATION_DURATION);\n};\n\n/**\n * Hide the post replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n */\nconst hideReplies = (postContainer) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    const replyVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n    const showButton = getShowRepliesButton(replyVisibilityToggleContainer);\n    const hideButton = getHideRepliesButton(replyVisibilityToggleContainer);\n\n    showButton.removeClass('hidden');\n    hideButton.addClass('hidden');\n\n    repliesContainer.slideUp({\n        duration: ANIMATION_DURATION,\n        queue: false\n    }).fadeOut(ANIMATION_DURATION);\n};\n\n/** Variable to hold the showInPageReplyForm function after it's built. */\nlet showInPageReplyForm = null;\n\n/**\n * Build the showInPageReplyForm function with the given additional template context.\n *\n * @param {Object} additionalTemplateContext Additional render context for the in page reply template.\n * @return {Function}\n */\nconst buildShowInPageReplyFormFunction = (additionalTemplateContext) => {\n    /**\n     * Show the in page reply form in the given in page reply container. The form\n     * display will be animated.\n     *\n     * @param {Object} postContainer jQuery element for the post container\n     */\n    return async (postContainer) => {\n\n        const inPageReplyContainer = getInPageReplyContainer(postContainer);\n        const repliesVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n        const inPageReplyCreateButton = getInPageReplyCreateButton(postContainer);\n\n        if (!hasInPageReplyForm(inPageReplyContainer)) {\n            try {\n                const html = await renderInPageReplyTemplate(additionalTemplateContext, inPageReplyCreateButton, postContainer);\n                Templates.appendNodeContents(inPageReplyContainer, html, '');\n            } catch (e) {\n                Notification.exception(e);\n            }\n\n            // Load formchangechecker module.\n            import('core/yui')\n                .then(Y => {\n                    return new Promise(resolve => {\n                        Y.use('moodle-core-formchangechecker', Y => {\n                            resolve(Y);\n                        });\n                    });\n                })\n                .then(Y => {\n                    M.core_formchangechecker.init({formid: Y.one(postContainer[0].querySelector('form')).generateID()});\n                    return Y;\n                })\n                .catch();\n        }\n\n        inPageReplyCreateButton.fadeOut(ANIMATION_DURATION, () => {\n            const inPageReplyForm = getInPageReplyForm(postContainer);\n            inPageReplyForm.slideDown({\n                duration: ANIMATION_DURATION,\n                queue: false,\n                complete: () => {\n                    inPageReplyForm.find('textarea').focus();\n                }\n            }).css('display', 'none').fadeIn(ANIMATION_DURATION);\n\n            if (repliesVisibilityToggleContainer.length && hasReplies(postContainer)) {\n                repliesVisibilityToggleContainer.fadeIn(ANIMATION_DURATION);\n                hideReplies(postContainer);\n            }\n        });\n    };\n};\n\n/**\n * Hide the in page reply form in the given in page reply container. The form\n * display will be animated.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @param {Number|null} postIdToSee Id of the post to scroll into view (if any)\n */\nconst hideInPageReplyForm = (postContainer, postIdToSee = null) => {\n    const inPageReplyForm = getInPageReplyForm(postContainer);\n    const inPageReplyCreateButton = getInPageReplyCreateButton(postContainer);\n    const repliesVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n\n    if (repliesVisibilityToggleContainer.length && hasReplies(postContainer)) {\n        repliesVisibilityToggleContainer.fadeOut(ANIMATION_DURATION);\n        if (!repliesVisible(postContainer)) {\n            showReplies(postContainer, postIdToSee);\n        }\n    }\n\n    inPageReplyForm.slideUp({\n        duration: ANIMATION_DURATION,\n        queue: false,\n        complete: () => {\n            inPageReplyCreateButton.fadeIn(ANIMATION_DURATION);\n        }\n    }).fadeOut(200);\n};\n\n/**\n * Check if the in page reply container contains the in page reply form.\n *\n * @param {Object} inPageReplyContainer jQuery element for the in page reply container\n * @return {Bool}\n */\nconst hasInPageReplyForm = (inPageReplyContainer) => {\n    return inPageReplyContainer.find(Selectors.post.inpageReplyContent).length > 0;\n};\n\n/**\n * Render the template to generate the in page reply form HTML.\n *\n * @param {Object} additionalTemplateContext Additional render context for the in page reply template\n * @param {Object} button jQuery element for the reply button that was clicked\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery promise\n */\nconst renderInPageReplyTemplate = (additionalTemplateContext, button, postContainer) => {\n    const postContentContainer = getPostContentContainer(postContainer);\n    const currentSubject = postContentContainer.find(Selectors.post.forumSubject).text();\n    const currentAuthorName = postContentContainer.find(Selectors.post.authorName).text();\n    const context = {\n        postid: postContainer.data('post-id'),\n        \"reply_url\": button.attr('data-href'),\n        sesskey: M.cfg.sesskey,\n        parentsubject: currentSubject,\n        parentauthorname: currentAuthorName,\n        canreplyprivately: button.data('can-reply-privately'),\n        postformat: InPageReply.CONTENT_FORMATS.MOODLE,\n        ...additionalTemplateContext\n    };\n\n    return Templates.render('mod_forum/inpage_reply_v2', context);\n};\n\n/**\n * Increment the total reply count in the show/hide replies buttons for the post.\n *\n * @param {Object} postContainer jQuery element for the post container\n */\nconst incrementTotalReplyCount = (postContainer) => {\n    getRepliesVisibilityToggleContainer(postContainer).find(Selectors.post.replyCount).each((index, element) => {\n        const currentCount = parseInt(element.innerText, 10);\n        element.innerText = currentCount + 1;\n    });\n};\n\n/**\n * Create all of the event listeners for the discussion.\n *\n * @param {Object} root jQuery element for the discussion container\n */\nconst registerEventListeners = (root) => {\n    CustomEvents.define(root, [CustomEvents.events.activate]);\n    // Auto expanding text area for in page reply.\n    AutoRows.init(root);\n\n    // Reply button is clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.inpageReplyCreateButton, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.currentTarget));\n        showInPageReplyForm(postContainer);\n    });\n\n    // Cancel in page reply button.\n    root.on(CustomEvents.events.activate, Selectors.post.inpageReplyCancelButton, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.currentTarget));\n        hideInPageReplyForm(postContainer);\n    });\n\n    // Show replies button clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.showReplies, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.target));\n        showReplies(postContainer);\n    });\n\n    // Hide replies button clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.hideReplies, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.target));\n        hideReplies(postContainer);\n    });\n\n    // Post created with in page reply.\n    root.on(InPageReply.EVENTS.POST_CREATED, Selectors.post.inpageSubmitBtn, (e, newPostId) => {\n        const currentTarget = $(e.currentTarget);\n        const postContainer = getPostContainer(currentTarget);\n        const postContainers = getParentPostContainers(currentTarget);\n        hideInPageReplyForm(postContainer, newPostId);\n\n        postContainers.each((index, container) => {\n            incrementTotalReplyCount($(container));\n        });\n    });\n};\n\n/**\n * Initialise the javascript for the discussion in nested v2 display mode.\n *\n * @param {Object} root jQuery element for the discussion container\n * @param {Object} context Additional render context for the in page reply template\n */\nexport const init = (root, context) => {\n    // Build the showInPageReplyForm function with the additional render context.\n    showInPageReplyForm = buildShowInPageReplyFormFunction(context);\n    // Add discussion event listeners.\n    registerEventListeners(root);\n    // Initialise default discussion javascript (keyboard nav etc).\n    Discussion.init(root);\n    // Add in page reply javascript.\n    InPageReply.init(root);\n\n    // Initialise the settings menu javascript.\n    const discussionToolsContainer = root.find(Selectors.discussion.tools);\n    LockToggle.init(discussionToolsContainer, false);\n    FavouriteToggle.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.userstate.favourited ? 0 : 1;\n        return toggleElement.data('targetstate', newTargetState);\n    });\n    Pin.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.pinned ? 0 : 1;\n        return toggleElement.data('targetstate', newTargetState);\n    });\n    Subscribe.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.userstate.subscribed ? 0 : 1;\n        toggleElement.data('targetstate', newTargetState);\n    });\n};\n"],"file":"discussion_nested_v2.min.js"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/grades/expandconversation.min.js b/mod/forum/amd/build/grades/expandconversation.min.js
index 02eeb8c11b6..1686e5d97c2 100644
--- a/mod/forum/amd/build/grades/expandconversation.min.js
+++ b/mod/forum/amd/build/grades/expandconversation.min.js
@@ -1,2 +1,2 @@
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diff --git a/mod/forum/amd/build/grades/expandconversation.min.js.map b/mod/forum/amd/build/grades/expandconversation.min.js.map
index db82096371a..cd8c3ce86d7 100644
--- a/mod/forum/amd/build/grades/expandconversation.min.js.map
+++ b/mod/forum/amd/build/grades/expandconversation.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles the creation of a Modal that shows the user's post in context of the entire discussion.\n *\n * @module     mod_forum/grades/expandconversation\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as ForumSelectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport {exception as showException} from \"core/notification\";\nimport Templates from 'core/templates';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\n\n/**\n * Find the Node containing the gradable details from the provided node by searching up the tree.\n *\n * @param {HTMLElement} node\n * @returns {HTMLElement}\n */\nconst findGradableNode = node => node.closest(ForumSelectors.expandConversation);\n\n/**\n * Show the post in context in a modal.\n *\n * @param {HTMLElement} rootNode The button that has been clicked\n */\nconst showPostInContext = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const postId = rootNode.dataset.postid;\n    const discussionId = rootNode.dataset.discussionid;\n    const discussionName = rootNode.dataset.name;\n    const experimentalDisplayMode = rootNode.dataset.experimentalDisplayMode == \"1\";\n\n    const [\n        allPosts,\n        modal,\n    ] = await Promise.all([\n        Repository.getDiscussionPosts(parseInt(discussionId)),\n        Modal.create({\n            title: discussionName,\n            large: true,\n            type: Modal.types.CANCEL\n        }),\n    ]);\n\n    const postsById = new Map(allPosts.posts.map(post => {\n        post.readonly = true;\n        post.hasreplies = false;\n        post.replies = [];\n        return [post.id, post];\n    }));\n\n    let posts = [];\n    allPosts.posts.forEach(post => {\n        if (post.parentid) {\n            const parent = postsById.get(post.parentid);\n            if (parent) {\n                post.parentauthorname = parent.author.fullname;\n                parent.hasreplies = true;\n                parent.replies.push(post);\n            } else {\n                posts.push(post);\n            }\n        } else {\n            posts.push(post);\n        }\n    });\n\n    // Handle hidden event.\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        // Destroy when hidden.\n        modal.destroy();\n        try {\n            focusOnClose.focus();\n        } catch (e) {\n            // eslint-disable-line\n        }\n    });\n\n    modal.getRoot().on(ModalEvents.bodyRendered, () => {\n        const relevantPost = modal.getRoot()[0].querySelector(`#p${postId}`);\n        if (relevantPost) {\n            relevantPost.scrollIntoView({behavior: \"smooth\"});\n        }\n    });\n\n    modal.show();\n\n    // Note: We do not use await here because it messes with the Modal transitions.\n    const templatePromise = Templates.render('mod_forum/grades/grader/discussion/post_modal', {\n        posts,\n        experimentaldisplaymode: experimentalDisplayMode\n    });\n    modal.setBody(templatePromise);\n};\n\n/**\n * Register event listeners for the expand conversations button.\n *\n * @param {HTMLElement} rootNode The root to listen to.\n */\nexport const registerEventListeners = (rootNode) => {\n    rootNode.addEventListener('click', (e) => {\n        const rootNode = findGradableNode(e.target);\n\n        if (rootNode) {\n            e.preventDefault();\n\n            try {\n                showPostInContext(rootNode, {\n                    focusOnClose: e.target,\n                });\n            } catch (err) {\n                showException(err);\n            }\n        }\n    });\n};\n"],"file":"expandconversation.min.js"}
\ No newline at end of file
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles the creation of a Modal that shows the user's post in context of the entire discussion.\n *\n * @module     mod_forum/grades/expandconversation\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as ForumSelectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport {exception as showException} from \"core/notification\";\nimport Templates from 'core/templates';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\n\n/**\n * Find the Node containing the gradable details from the provided node by searching up the tree.\n *\n * @param {HTMLElement} node\n * @returns {HTMLElement}\n */\nconst findGradableNode = node => node.closest(ForumSelectors.expandConversation);\n\n/**\n * Show the post in context in a modal.\n *\n * @param {HTMLElement} rootNode The button that has been clicked\n */\nconst showPostInContext = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const postId = rootNode.dataset.postid;\n    const discussionId = rootNode.dataset.discussionid;\n    const discussionName = rootNode.dataset.name;\n    const experimentalDisplayMode = rootNode.dataset.experimentalDisplayMode == \"1\";\n\n    const [\n        allPosts,\n        modal,\n    ] = await Promise.all([\n        Repository.getDiscussionPosts(parseInt(discussionId)),\n        Modal.create({\n            title: discussionName,\n            large: true,\n            type: Modal.types.CANCEL\n        }),\n    ]);\n\n    const postsById = new Map(allPosts.posts.map(post => {\n        post.readonly = true;\n        post.hasreplies = false;\n        post.replies = [];\n        return [post.id, post];\n    }));\n\n    let posts = [];\n    allPosts.posts.forEach(post => {\n        if (post.parentid) {\n            const parent = postsById.get(post.parentid);\n            if (parent) {\n                post.parentauthorname = parent.author.fullname;\n                parent.hasreplies = true;\n                parent.replies.push(post);\n            } else {\n                posts.push(post);\n            }\n        } else {\n            posts.push(post);\n        }\n    });\n\n    // Handle hidden event.\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        // Destroy when hidden.\n        modal.destroy();\n        try {\n            focusOnClose.focus();\n        } catch (e) {\n            // eslint-disable-line\n        }\n    });\n\n    modal.getRoot().on(ModalEvents.bodyRendered, () => {\n        const relevantPost = modal.getRoot()[0].querySelector(`#p${postId}`);\n        if (relevantPost) {\n            relevantPost.scrollIntoView({behavior: \"smooth\"});\n        }\n    });\n\n    modal.show();\n\n    // Note: We do not use await here because it messes with the Modal transitions.\n    const templatePromise = Templates.render('mod_forum/grades/grader/discussion/post_modal', {\n        posts,\n        experimentaldisplaymode: experimentalDisplayMode\n    });\n    modal.setBody(templatePromise);\n};\n\n/**\n * Register event listeners for the expand conversations button.\n *\n * @param {HTMLElement} rootNode The root to listen to.\n */\nexport const registerEventListeners = (rootNode) => {\n    rootNode.addEventListener('click', (e) => {\n        const rootNode = findGradableNode(e.target);\n\n        if (rootNode) {\n            e.preventDefault();\n\n            try {\n                showPostInContext(rootNode, {\n                    focusOnClose: e.target,\n                });\n            } catch (err) {\n                showException(err);\n            }\n        }\n    });\n};\n"],"file":"expandconversation.min.js"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/grades/grader.min.js b/mod/forum/amd/build/grades/grader.min.js
index cd2dd65581c..7c28785d77e 100644
--- a/mod/forum/amd/build/grades/grader.min.js
+++ b/mod/forum/amd/build/grades/grader.min.js
@@ -1,2 +1,2 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/grades/grader\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as Selectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport Templates from 'core/templates';\nimport * as Grader from '../local/grades/grader';\nimport Notification from 'core/notification';\nimport CourseRepository from 'core_course/repository';\nimport {relativeUrl} from 'core/url';\n\nconst templateNames = {\n    contentRegion: 'mod_forum/grades/grader/discussion/posts',\n};\n\n/**\n * Curried function with CMID set, this is then used in unified grader as a fetch a users content.\n *\n * @param {Number} cmid\n * @param {Bool} experimentalDisplayMode\n * @return {Function}\n */\nconst getContentForUserIdFunction = (cmid, experimentalDisplayMode) => (userid) => {\n    /**\n     * Given the parent function is called with the second param set execute the partially executed function.\n     *\n     * @param {Number} userid\n     */\n    return Repository.getDiscussionByUserID(userid, cmid)\n        .then(context => {\n            // Rebuild the returned data for the template.\n            context.discussions = context.discussions.map(discussionPostMapper);\n            context.experimentaldisplaymode = experimentalDisplayMode ? true : false;\n\n            return Templates.render(templateNames.contentRegion, context);\n        })\n        .catch(Notification.exception);\n};\n\n/**\n * Curried function with CMID set, this is then used in unified grader as a fetch users call.\n * The function curried fetches all users in a course for a given CMID.\n *\n * @param {Number} cmid\n * @param {Number} groupID\n * @return {Array} Array of users for a given context.\n */\nconst getUsersForCmidFunction = (cmid, groupID) => async() => {\n    const context = await CourseRepository.getUsersFromCourseModuleID(cmid, groupID);\n\n    return context.users;\n};\n\n\nconst findGradableNode = node => node.closest(Selectors.gradableItem);\n\n/**\n * For a discussion we need to manipulate it's posts to hide certain UI elements.\n *\n * @param {Object} discussion\n * @return {Array} name, id, posts\n */\nconst discussionPostMapper = (discussion) => {\n    // Map postid => post.\n    const parentMap = new Map();\n    discussion.posts.parentposts.forEach(post => parentMap.set(post.id, post));\n    const userPosts = discussion.posts.userposts.map(post => {\n        post.readonly = true;\n        post.hasreplies = false;\n        post.replies = [];\n\n        const parent = post.parentid ? parentMap.get(post.parentid) : null;\n        if (parent) {\n            parent.hasreplies = false;\n            parent.replies = [];\n            parent.readonly = true;\n            post.parentauthorname = parent.author.fullname;\n        }\n\n        return {\n            parent,\n            post\n        };\n    });\n\n    return {\n        ...discussion,\n        posts: userPosts,\n    };\n};\n\n/**\n * Launch the Grader.\n *\n * @param {HTMLElement} rootNode the root HTML element describing what is to be graded\n */\nconst launchWholeForumGrading = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const data = rootNode.dataset;\n    const gradingPanelFunctions = await Grader.getGradingPanelFunctions(\n        'mod_forum',\n        data.contextid,\n        data.gradingComponent,\n        data.gradingComponentSubtype,\n        data.gradableItemtype\n    );\n\n    const groupID = data.group ? data.group : 0;\n\n    await Grader.launch(\n        getUsersForCmidFunction(data.cmid, groupID),\n        getContentForUserIdFunction(data.cmid, data.experimentalDisplayMode == \"1\"),\n        gradingPanelFunctions.getter,\n        gradingPanelFunctions.setter,\n        {\n            groupid: data.groupid,\n            initialUserId: data.initialuserid,\n            moduleName: data.name,\n            courseName: data.courseName,\n            courseUrl: relativeUrl('/course/view.php', {id: data.courseId}),\n            sendStudentNotifications: data.sendStudentNotifications,\n            focusOnClose,\n        }\n    );\n};\n\n/**\n * Launch the Grader.\n *\n * @param {HTMLElement} rootNode the root HTML element describing what is to be graded\n */\nconst launchViewGrading = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const data = rootNode.dataset;\n    const gradingPanelFunctions = await Grader.getGradingPanelFunctions(\n        'mod_forum',\n        data.contextid,\n        data.gradingComponent,\n        data.gradingComponentSubtype,\n        data.gradableItemtype\n    );\n\n    await Grader.view(\n        gradingPanelFunctions.getter,\n        data.userid,\n        data.name,\n        {\n            focusOnClose,\n        }\n    );\n};\n\n/**\n * Register listeners to launch the grading panel.\n */\nexport const registerLaunchListeners = () => {\n    document.addEventListener('click', async(e) => {\n        if (e.target.matches(Selectors.launch)) {\n            const rootNode = findGradableNode(e.target);\n\n            if (!rootNode) {\n                throw Error('Unable to find a gradable item');\n            }\n\n            if (rootNode.matches(Selectors.gradableItems.wholeForum)) {\n                // Note: The preventDefault must be before any async function calls because the function becomes async\n                // at that point and the default action is implemented.\n                e.preventDefault();\n                try {\n                    await launchWholeForumGrading(rootNode, {\n                        focusOnClose: e.target,\n                    });\n                } catch (error) {\n                    Notification.exception(error);\n                }\n            } else {\n                throw Error('Unable to find a valid gradable item');\n            }\n        }\n        if (e.target.matches(Selectors.viewGrade)) {\n            e.preventDefault();\n            const rootNode = findGradableNode(e.target);\n\n            if (!rootNode) {\n                throw Error('Unable to find a gradable item');\n            }\n\n            if (rootNode.matches(Selectors.gradableItems.wholeForum)) {\n                // Note: The preventDefault must be before any async function calls because the function becomes async\n                // at that point and the default action is implemented.\n                e.preventDefault();\n                try {\n                    await launchViewGrading(rootNode, {\n                        focusOnClose: e.target,\n                    });\n                } catch (error) {\n                    Notification.exception(error);\n                }\n            } else {\n                throw Error('Unable to find a valid gradable item');\n            }\n        }\n    });\n};\n"],"file":"grader.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/grades/grader\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as Selectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport Templates from 'core/templates';\nimport * as Grader from '../local/grades/grader';\nimport Notification from 'core/notification';\nimport CourseRepository from 'core_course/repository';\nimport {relativeUrl} from 'core/url';\n\nconst templateNames = {\n    contentRegion: 'mod_forum/grades/grader/discussion/posts',\n};\n\n/**\n * Curried function with CMID set, this is then used in unified grader as a fetch a users content.\n *\n * @param {Number} cmid\n * @param {Bool} experimentalDisplayMode\n * @return {Function}\n */\nconst getContentForUserIdFunction = (cmid, experimentalDisplayMode) => (userid) => {\n    /**\n     * Given the parent function is called with the second param set execute the partially executed function.\n     *\n     * @param {Number} userid\n     */\n    return Repository.getDiscussionByUserID(userid, cmid)\n        .then(context => {\n            // Rebuild the returned data for the template.\n            context.discussions = context.discussions.map(discussionPostMapper);\n            context.experimentaldisplaymode = experimentalDisplayMode ? true : false;\n\n            return Templates.render(templateNames.contentRegion, context);\n        })\n        .catch(Notification.exception);\n};\n\n/**\n * Curried function with CMID set, this is then used in unified grader as a fetch users call.\n * The function curried fetches all users in a course for a given CMID.\n *\n * @param {Number} cmid\n * @param {Number} groupID\n * @return {Array} Array of users for a given context.\n */\nconst getUsersForCmidFunction = (cmid, groupID) => async() => {\n    const context = await CourseRepository.getUsersFromCourseModuleID(cmid, groupID);\n\n    return context.users;\n};\n\n\nconst findGradableNode = node => node.closest(Selectors.gradableItem);\n\n/**\n * For a discussion we need to manipulate it's posts to hide certain UI elements.\n *\n * @param {Object} discussion\n * @return {Array} name, id, posts\n */\nconst discussionPostMapper = (discussion) => {\n    // Map postid => post.\n    const parentMap = new Map();\n    discussion.posts.parentposts.forEach(post => parentMap.set(post.id, post));\n    const userPosts = discussion.posts.userposts.map(post => {\n        post.readonly = true;\n        post.hasreplies = false;\n        post.replies = [];\n\n        const parent = post.parentid ? parentMap.get(post.parentid) : null;\n        if (parent) {\n            parent.hasreplies = false;\n            parent.replies = [];\n            parent.readonly = true;\n            post.parentauthorname = parent.author.fullname;\n        }\n\n        return {\n            parent,\n            post\n        };\n    });\n\n    return {\n        ...discussion,\n        posts: userPosts,\n    };\n};\n\n/**\n * Launch the Grader.\n *\n * @param {HTMLElement} rootNode the root HTML element describing what is to be graded\n */\nconst launchWholeForumGrading = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const data = rootNode.dataset;\n    const gradingPanelFunctions = await Grader.getGradingPanelFunctions(\n        'mod_forum',\n        data.contextid,\n        data.gradingComponent,\n        data.gradingComponentSubtype,\n        data.gradableItemtype\n    );\n\n    const groupID = data.group ? data.group : 0;\n\n    await Grader.launch(\n        getUsersForCmidFunction(data.cmid, groupID),\n        getContentForUserIdFunction(data.cmid, data.experimentalDisplayMode == \"1\"),\n        gradingPanelFunctions.getter,\n        gradingPanelFunctions.setter,\n        {\n            groupid: data.groupid,\n            initialUserId: data.initialuserid,\n            moduleName: data.name,\n            courseName: data.courseName,\n            courseUrl: relativeUrl('/course/view.php', {id: data.courseId}),\n            sendStudentNotifications: data.sendStudentNotifications,\n            focusOnClose,\n        }\n    );\n};\n\n/**\n * Launch the Grader.\n *\n * @param {HTMLElement} rootNode the root HTML element describing what is to be graded\n */\nconst launchViewGrading = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const data = rootNode.dataset;\n    const gradingPanelFunctions = await Grader.getGradingPanelFunctions(\n        'mod_forum',\n        data.contextid,\n        data.gradingComponent,\n        data.gradingComponentSubtype,\n        data.gradableItemtype\n    );\n\n    await Grader.view(\n        gradingPanelFunctions.getter,\n        data.userid,\n        data.name,\n        {\n            focusOnClose,\n        }\n    );\n};\n\n/**\n * Register listeners to launch the grading panel.\n */\nexport const registerLaunchListeners = () => {\n    document.addEventListener('click', async(e) => {\n        if (e.target.matches(Selectors.launch)) {\n            const rootNode = findGradableNode(e.target);\n\n            if (!rootNode) {\n                throw Error('Unable to find a gradable item');\n            }\n\n            if (rootNode.matches(Selectors.gradableItems.wholeForum)) {\n                // Note: The preventDefault must be before any async function calls because the function becomes async\n                // at that point and the default action is implemented.\n                e.preventDefault();\n                try {\n                    await launchWholeForumGrading(rootNode, {\n                        focusOnClose: e.target,\n                    });\n                } catch (error) {\n                    Notification.exception(error);\n                }\n            } else {\n                throw Error('Unable to find a valid gradable item');\n            }\n        }\n        if (e.target.matches(Selectors.viewGrade)) {\n            e.preventDefault();\n            const rootNode = findGradableNode(e.target);\n\n            if (!rootNode) {\n                throw Error('Unable to find a gradable item');\n            }\n\n            if (rootNode.matches(Selectors.gradableItems.wholeForum)) {\n                // Note: The preventDefault must be before any async function calls because the function becomes async\n                // at that point and the default action is implemented.\n                e.preventDefault();\n                try {\n                    await launchViewGrading(rootNode, {\n                        focusOnClose: e.target,\n                    });\n                } catch (error) {\n                    Notification.exception(error);\n                }\n            } else {\n                throw Error('Unable to find a valid gradable item');\n            }\n        }\n    });\n};\n"],"file":"grader.min.js"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/grader.min.js b/mod/forum/amd/build/local/grades/grader.min.js
index 1fc156f2d38..5c2accb49f0 100644
--- a/mod/forum/amd/build/local/grades/grader.min.js
+++ b/mod/forum/amd/build/local/grades/grader.min.js
@@ -1,2 +1,2 @@
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diff --git a/mod/forum/amd/build/local/grades/grader.min.js.map b/mod/forum/amd/build/local/grades/grader.min.js.map
index 6a89c72d66b..05cafb2c19a 100644
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/local/grades/grader\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Templates from 'core/templates';\nimport Selectors from './local/grader/selectors';\nimport getUserPicker from './local/grader/user_picker';\nimport {createLayout as createFullScreenWindow} from 'mod_forum/local/layout/fullscreen';\nimport getGradingPanelFunctions from './local/grader/gradingpanel';\nimport {add as addToast} from 'core/toast';\nimport {addNotification} from 'core/notification';\nimport {get_string as getString} from 'core/str';\nimport {failedUpdate} from 'core_grades/grades/grader/gradingpanel/normalise';\nimport {addIconToContainerWithPromise} from 'core/loadingicon';\nimport {debounce} from 'core/utils';\nimport {fillInitialValues} from 'core_grades/grades/grader/gradingpanel/comparison';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\nimport {subscribe} from 'core/pubsub';\nimport DrawerEvents from 'core/drawer_events';\n\nconst templateNames = {\n    grader: {\n        app: 'mod_forum/local/grades/grader',\n        gradingPanel: {\n            error: 'mod_forum/local/grades/local/grader/gradingpanel/error',\n        },\n        searchResults: 'mod_forum/local/grades/local/grader/user_picker/user_search',\n        status: 'mod_forum/local/grades/local/grader/status',\n    },\n};\n\n/**\n * Helper function that replaces the user picker placeholder with what we get back from the user picker class.\n *\n * @param {HTMLElement} root\n * @param {String} html\n */\nconst displayUserPicker = (root, html) => {\n    const pickerRegion = root.querySelector(Selectors.regions.pickerRegion);\n    Templates.replaceNodeContents(pickerRegion, html, '');\n};\n\n/**\n * To be removed, this is now done as a part of Templates.renderForPromise()\n *\n * @param {String} html\n * @param {String} js\n * @return {[*, *]}\n */\nconst fetchContentFromRender = (html, js) => {\n    return [html, js];\n};\n\n/**\n * Here we build the function that is passed to the user picker that'll handle updating the user content area\n * of the grading interface.\n *\n * @param {HTMLElement} root\n * @param {Function} getContentForUser\n * @param {Function} getGradeForUser\n * @param {Function} saveGradeForUser\n * @return {Function}\n */\nconst getUpdateUserContentFunction = (root, getContentForUser, getGradeForUser, saveGradeForUser) => {\n    let firstLoad = true;\n\n    return async(user) => {\n        const spinner = firstLoad ? null : addIconToContainerWithPromise(root);\n        const [\n            [html, js],\n            userGrade,\n        ] = await Promise.all([\n            getContentForUser(user.id).then(fetchContentFromRender),\n            getGradeForUser(user.id),\n        ]);\n        Templates.replaceNodeContents(root.querySelector(Selectors.regions.moduleReplace), html, js);\n\n        const [\n            gradingPanelHtml,\n            gradingPanelJS\n        ] = await Templates.render(userGrade.templatename, userGrade.grade).then(fetchContentFromRender);\n        const panelContainer = root.querySelector(Selectors.regions.gradingPanelContainer);\n        const panel = panelContainer.querySelector(Selectors.regions.gradingPanel);\n        Templates.replaceNodeContents(panel, gradingPanelHtml, gradingPanelJS);\n\n        const form = panel.querySelector('form');\n        fillInitialValues(form);\n\n        form.addEventListener('submit', event => {\n            saveGradeForUser(user);\n            event.preventDefault();\n        });\n\n        panelContainer.scrollTop = 0;\n        firstLoad = false;\n\n        if (spinner) {\n            spinner.resolve();\n        }\n        return userGrade;\n    };\n};\n\n/**\n * Show the search results container and hide the user picker and body content.\n *\n * @param {HTMLElement} bodyContainer The container element for the body content\n * @param {HTMLElement} userPickerContainer The container element for the user picker\n * @param {HTMLElement} searchResultsContainer The container element for the search results\n */\nconst showSearchResultContainer = (bodyContainer, userPickerContainer, searchResultsContainer) => {\n    bodyContainer.classList.add('hidden');\n    userPickerContainer.classList.add('hidden');\n    searchResultsContainer.classList.remove('hidden');\n};\n\n/**\n * Hide the search results container and show the user picker and body content.\n *\n * @param {HTMLElement} bodyContainer The container element for the body content\n * @param {HTMLElement} userPickerContainer The container element for the user picker\n * @param {HTMLElement} searchResultsContainer The container element for the search results\n */\nconst hideSearchResultContainer = (bodyContainer, userPickerContainer, searchResultsContainer) => {\n    bodyContainer.classList.remove('hidden');\n    userPickerContainer.classList.remove('hidden');\n    searchResultsContainer.classList.add('hidden');\n};\n\n/**\n * Toggles the visibility of the user search.\n *\n * @param {HTMLElement} toggleSearchButton The button that toggles the search\n * @param {HTMLElement} searchContainer The container element for the user search\n * @param {HTMLElement} searchInput The input element for searching\n */\nconst showUserSearchInput = (toggleSearchButton, searchContainer, searchInput) => {\n    searchContainer.classList.remove('collapsed');\n    toggleSearchButton.setAttribute('aria-expanded', 'true');\n    toggleSearchButton.classList.add('expand');\n    toggleSearchButton.classList.remove('collapse');\n\n    // Hide the grading info container from screen reader.\n    const gradingInfoContainer = searchContainer.parentElement.querySelector(Selectors.regions.gradingInfoContainer);\n    gradingInfoContainer.setAttribute('aria-hidden', 'true');\n\n    // Hide the collapse grading drawer button from screen reader.\n    const collapseGradingDrawer = searchContainer.parentElement.querySelector(Selectors.buttons.collapseGradingDrawer);\n    collapseGradingDrawer.setAttribute('aria-hidden', 'true');\n    collapseGradingDrawer.setAttribute('tabindex', '-1');\n\n    searchInput.focus();\n};\n\n/**\n * Toggles the visibility of the user search.\n *\n * @param {HTMLElement} toggleSearchButton The button that toggles the search\n * @param {HTMLElement} searchContainer The container element for the user search\n * @param {HTMLElement} searchInput The input element for searching\n */\nconst hideUserSearchInput = (toggleSearchButton, searchContainer, searchInput) => {\n    searchContainer.classList.add('collapsed');\n    toggleSearchButton.setAttribute('aria-expanded', 'false');\n    toggleSearchButton.classList.add('collapse');\n    toggleSearchButton.classList.remove('expand');\n    toggleSearchButton.focus();\n\n    // Show the grading info container to screen reader.\n    const gradingInfoContainer = searchContainer.parentElement.querySelector(Selectors.regions.gradingInfoContainer);\n    gradingInfoContainer.removeAttribute('aria-hidden');\n\n    // Show the collapse grading drawer button from screen reader.\n    const collapseGradingDrawer = searchContainer.parentElement.querySelector(Selectors.buttons.collapseGradingDrawer);\n    collapseGradingDrawer.removeAttribute('aria-hidden');\n    collapseGradingDrawer.setAttribute('tabindex', '0');\n\n    searchInput.value = '';\n};\n\n/**\n * Find the list of users who's names include the given search term.\n *\n * @param {Array} userList List of users for the grader\n * @param {String} searchTerm The search term to match\n * @return {Array}\n */\nconst searchForUsers = (userList, searchTerm) => {\n    if (searchTerm === '') {\n        return userList;\n    }\n\n    searchTerm = searchTerm.toLowerCase();\n\n    return userList.filter((user) => {\n        return user.fullname.toLowerCase().includes(searchTerm);\n    });\n};\n\n/**\n * Render the list of users in the search results area.\n *\n * @param {HTMLElement} searchResultsContainer The container element for search results\n * @param {Array} users The list of users to display\n */\nconst renderSearchResults = async(searchResultsContainer, users) => {\n    const {html, js} = await Templates.renderForPromise(templateNames.grader.searchResults, {users});\n    Templates.replaceNodeContents(searchResultsContainer, html, js);\n};\n\n/**\n * Add click handlers to the buttons in the header of the grading interface.\n *\n * @param {HTMLElement} graderLayout\n * @param {Object} userPicker\n * @param {Function} saveGradeFunction\n * @param {Array} userList List of users for the grader.\n */\nconst registerEventListeners = (graderLayout, userPicker, saveGradeFunction, userList) => {\n    const graderContainer = graderLayout.getContainer();\n    const toggleSearchButton = graderContainer.querySelector(Selectors.buttons.toggleSearch);\n    const searchInputContainer = graderContainer.querySelector(Selectors.regions.userSearchContainer);\n    const searchInput = searchInputContainer.querySelector(Selectors.regions.userSearchInput);\n    const bodyContainer = graderContainer.querySelector(Selectors.regions.bodyContainer);\n    const userPickerContainer = graderContainer.querySelector(Selectors.regions.pickerRegion);\n    const searchResultsContainer = graderContainer.querySelector(Selectors.regions.searchResultsContainer);\n\n    graderContainer.addEventListener('click', (e) => {\n        if (e.target.closest(Selectors.buttons.toggleFullscreen)) {\n            e.stopImmediatePropagation();\n            e.preventDefault();\n            graderLayout.toggleFullscreen();\n\n            return;\n        }\n\n        if (e.target.closest(Selectors.buttons.closeGrader)) {\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            graderLayout.close();\n\n            return;\n        }\n\n        if (e.target.closest(Selectors.buttons.saveGrade)) {\n            saveGradeFunction(userPicker.currentUser);\n        }\n\n        if (e.target.closest(Selectors.buttons.toggleSearch)) {\n            if (toggleSearchButton.getAttribute('aria-expanded') === 'true') {\n                // Search is open so let's close it.\n                hideUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n                hideSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n                searchResultsContainer.innerHTML = '';\n            } else {\n                // Search is closed so let's open it.\n                showUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n                showSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n                renderSearchResults(searchResultsContainer, userList);\n            }\n\n            return;\n        }\n\n        const selectUserButton = e.target.closest(Selectors.buttons.selectUser);\n        if (selectUserButton) {\n            const userId = selectUserButton.getAttribute('data-userid');\n            const user = userList.find(user => user.id == userId);\n            userPicker.setUserId(userId);\n            userPicker.showUser(user);\n            hideUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n            hideSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n            searchResultsContainer.innerHTML = '';\n        }\n    });\n\n    // Debounce the search input so that it only executes 300 milliseconds after the user has finished typing.\n    searchInput.addEventListener('input', debounce(() => {\n        const users = searchForUsers(userList, searchInput.value);\n        renderSearchResults(searchResultsContainer, users);\n    }, 300));\n\n    // Remove the right margin of the content container when the grading panel is hidden so that it expands to full-width.\n    subscribe(DrawerEvents.DRAWER_HIDDEN, (drawerRoot) => {\n        const gradingPanel = drawerRoot[0];\n        if (gradingPanel.querySelector(Selectors.regions.gradingPanel)) {\n            setContentContainerMargin(graderContainer, 0);\n        }\n    });\n\n    // Bring back the right margin of the content container when the grading panel is shown to give space for the grading panel.\n    subscribe(DrawerEvents.DRAWER_SHOWN, (drawerRoot) => {\n        const gradingPanel = drawerRoot[0];\n        if (gradingPanel.querySelector(Selectors.regions.gradingPanel)) {\n            setContentContainerMargin(graderContainer, gradingPanel.offsetWidth);\n        }\n    });\n};\n\n/**\n * Adjusts the right margin of the content container.\n *\n * @param {HTMLElement} graderContainer The container for the grader app.\n * @param {Number} rightMargin The right margin value.\n */\nconst setContentContainerMargin = (graderContainer, rightMargin) => {\n    const contentContainer = graderContainer.querySelector(Selectors.regions.moduleContainer);\n    if (contentContainer) {\n        contentContainer.style.marginRight = `${rightMargin}px`;\n    }\n};\n\n/**\n * Get the function used to save a user grade.\n *\n * @param {HTMLElement} root The container for the grader\n * @param {Function} setGradeForUser The function that will be called.\n * @return {Function}\n */\nconst getSaveUserGradeFunction = (root, setGradeForUser) => {\n    return async(user) => {\n        try {\n            root.querySelector(Selectors.regions.gradingPanelErrors).innerHTML = '';\n            const result = await setGradeForUser(\n                user.id,\n                root.querySelector(Selectors.values.sendStudentNotifications).value,\n                root.querySelector(Selectors.regions.gradingPanel)\n            );\n            if (result.success) {\n                addToast(await getString('grades:gradesavedfor', 'mod_forum', user));\n            }\n            if (result.failed) {\n                displayGradingError(root, user, result.error);\n            }\n\n            return result;\n        } catch (err) {\n            displayGradingError(root, user, err);\n\n            return failedUpdate(err);\n        }\n    };\n};\n\n/**\n * Display a grading error, typically from a failed save.\n *\n * @param {HTMLElement} root The container for the grader\n * @param {Object} user The user who was errored\n * @param {Object} err The details of the error\n */\nconst displayGradingError = async(root, user, err) => {\n    const [\n        {html, js},\n        errorString\n    ] = await Promise.all([\n        Templates.renderForPromise(templateNames.grader.gradingPanel.error, {error: err}),\n        await getString('grades:gradesavefailed', 'mod_forum', {error: err.message, ...user}),\n    ]);\n\n    Templates.replaceNodeContents(root.querySelector(Selectors.regions.gradingPanelErrors), html, js);\n    addToast(errorString);\n};\n\n/**\n * Launch the grader interface with the specified parameters.\n *\n * @param {Function} getListOfUsers A function to get the list of users\n * @param {Function} getContentForUser A function to get the content for a specific user\n * @param {Function} getGradeForUser A function get the grade details for a specific user\n * @param {Function} setGradeForUser A function to set the grade for a specific user\n * @param {Object} Preferences for the launch function\n */\nexport const launch = async(getListOfUsers, getContentForUser, getGradeForUser, setGradeForUser, {\n    initialUserId = null,\n    moduleName,\n    courseName,\n    courseUrl,\n    sendStudentNotifications,\n    focusOnClose = null,\n} = {}) => {\n\n    // We need all of these functions to be executed in series, if one step runs before another the interface\n    // will not work.\n\n    // We need this promise to resolve separately so that we can avoid loading the whole interface if there are no users.\n    const userList = await getListOfUsers();\n    if (!userList.length) {\n        addNotification({\n            message: await getString('nouserstograde', 'core_grades'),\n            type: \"error\",\n        });\n        return;\n    }\n\n    // Now that we have confirmed there are at least some users let's boot up the grader interface.\n    const [\n        graderLayout,\n        {html, js},\n    ] = await Promise.all([\n        createFullScreenWindow({\n            fullscreen: false,\n            showLoader: false,\n            focusOnClose,\n        }),\n        Templates.renderForPromise(templateNames.grader.app, {\n            moduleName,\n            courseName,\n            courseUrl,\n            drawer: {show: true},\n            defaultsendnotifications: sendStudentNotifications,\n        }),\n    ]);\n\n    const graderContainer = graderLayout.getContainer();\n\n    const saveGradeFunction = getSaveUserGradeFunction(graderContainer, setGradeForUser);\n\n    Templates.replaceNodeContents(graderContainer, html, js);\n    const updateUserContent = getUpdateUserContentFunction(graderContainer, getContentForUser, getGradeForUser, saveGradeFunction);\n\n    const userIds = userList.map(user => user.id);\n    const statusContainer = graderContainer.querySelector(Selectors.regions.statusContainer);\n    // Fetch the userpicker for display.\n    const userPicker = await getUserPicker(\n        userList,\n        async(user) => {\n            const userGrade = await updateUserContent(user);\n            const renderContext = {\n                status: userGrade.hasgrade,\n                index: userIds.indexOf(user.id) + 1,\n                total: userList.length\n            };\n            Templates.render(templateNames.grader.status, renderContext).then(html => {\n                statusContainer.innerHTML = html;\n                return html;\n            }).catch();\n        },\n        saveGradeFunction,\n        {\n            initialUserId,\n        },\n    );\n\n    // Register all event listeners.\n    registerEventListeners(graderLayout, userPicker, saveGradeFunction, userList);\n\n    // Display the newly created user picker.\n    displayUserPicker(graderContainer, userPicker.rootNode);\n};\n\n/**\n * Show the grade for a specific user.\n *\n * @param {Function} getGradeForUser A function get the grade details for a specific user\n * @param {Number} userid The ID of a specific user\n * @param {String} moduleName the name of the module\n */\nexport const view = async(getGradeForUser, userid, moduleName, {\n    focusOnClose = null,\n} = {}) => {\n\n    const [\n        userGrade,\n        modal,\n    ] = await Promise.all([\n        getGradeForUser(userid),\n        Modal.create({\n            title: moduleName,\n            large: true,\n            type: Modal.types.CANCEL\n        }),\n    ]);\n\n    const spinner = addIconToContainerWithPromise(modal.getRoot());\n\n    // Handle hidden event.\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        // Destroy when hidden.\n        modal.destroy();\n        if (focusOnClose) {\n            try {\n                focusOnClose.focus();\n            } catch (e) {\n                // eslint-disable-line\n            }\n        }\n    });\n\n    modal.show();\n    const output = document.createElement('div');\n    const {html, js} = await Templates.renderForPromise('mod_forum/local/grades/view_grade', userGrade);\n    Templates.replaceNodeContents(output, html, js);\n\n    // Note: We do not use await here because it messes with the Modal transitions.\n    const [gradeHTML, gradeJS] = await renderGradeTemplate(userGrade);\n    const gradeReplace = output.querySelector('[data-region=\"grade-template\"]');\n    Templates.replaceNodeContents(gradeReplace, gradeHTML, gradeJS);\n    modal.setBody(output.outerHTML);\n    spinner.resolve();\n};\n\nconst renderGradeTemplate = async(userGrade) => {\n    const {html, js} = await Templates.renderForPromise(userGrade.templatename, userGrade.grade);\n    return [html, js];\n};\nexport {getGradingPanelFunctions};\n"],"file":"grader.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/local/grades/grader\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Templates from 'core/templates';\nimport Selectors from './local/grader/selectors';\nimport getUserPicker from './local/grader/user_picker';\nimport {createLayout as createFullScreenWindow} from 'mod_forum/local/layout/fullscreen';\nimport getGradingPanelFunctions from './local/grader/gradingpanel';\nimport {add as addToast} from 'core/toast';\nimport {addNotification} from 'core/notification';\nimport {get_string as getString} from 'core/str';\nimport {failedUpdate} from 'core_grades/grades/grader/gradingpanel/normalise';\nimport {addIconToContainerWithPromise} from 'core/loadingicon';\nimport {debounce} from 'core/utils';\nimport {fillInitialValues} from 'core_grades/grades/grader/gradingpanel/comparison';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\nimport {subscribe} from 'core/pubsub';\nimport DrawerEvents from 'core/drawer_events';\n\nconst templateNames = {\n    grader: {\n        app: 'mod_forum/local/grades/grader',\n        gradingPanel: {\n            error: 'mod_forum/local/grades/local/grader/gradingpanel/error',\n        },\n        searchResults: 'mod_forum/local/grades/local/grader/user_picker/user_search',\n        status: 'mod_forum/local/grades/local/grader/status',\n    },\n};\n\n/**\n * Helper function that replaces the user picker placeholder with what we get back from the user picker class.\n *\n * @param {HTMLElement} root\n * @param {String} html\n */\nconst displayUserPicker = (root, html) => {\n    const pickerRegion = root.querySelector(Selectors.regions.pickerRegion);\n    Templates.replaceNodeContents(pickerRegion, html, '');\n};\n\n/**\n * To be removed, this is now done as a part of Templates.renderForPromise()\n *\n * @param {String} html\n * @param {String} js\n * @return {[*, *]}\n */\nconst fetchContentFromRender = (html, js) => {\n    return [html, js];\n};\n\n/**\n * Here we build the function that is passed to the user picker that'll handle updating the user content area\n * of the grading interface.\n *\n * @param {HTMLElement} root\n * @param {Function} getContentForUser\n * @param {Function} getGradeForUser\n * @param {Function} saveGradeForUser\n * @return {Function}\n */\nconst getUpdateUserContentFunction = (root, getContentForUser, getGradeForUser, saveGradeForUser) => {\n    let firstLoad = true;\n\n    return async(user) => {\n        const spinner = firstLoad ? null : addIconToContainerWithPromise(root);\n        const [\n            [html, js],\n            userGrade,\n        ] = await Promise.all([\n            getContentForUser(user.id).then(fetchContentFromRender),\n            getGradeForUser(user.id),\n        ]);\n        Templates.replaceNodeContents(root.querySelector(Selectors.regions.moduleReplace), html, js);\n\n        const [\n            gradingPanelHtml,\n            gradingPanelJS\n        ] = await Templates.render(userGrade.templatename, userGrade.grade).then(fetchContentFromRender);\n        const panelContainer = root.querySelector(Selectors.regions.gradingPanelContainer);\n        const panel = panelContainer.querySelector(Selectors.regions.gradingPanel);\n        Templates.replaceNodeContents(panel, gradingPanelHtml, gradingPanelJS);\n\n        const form = panel.querySelector('form');\n        fillInitialValues(form);\n\n        form.addEventListener('submit', event => {\n            saveGradeForUser(user);\n            event.preventDefault();\n        });\n\n        panelContainer.scrollTop = 0;\n        firstLoad = false;\n\n        if (spinner) {\n            spinner.resolve();\n        }\n        return userGrade;\n    };\n};\n\n/**\n * Show the search results container and hide the user picker and body content.\n *\n * @param {HTMLElement} bodyContainer The container element for the body content\n * @param {HTMLElement} userPickerContainer The container element for the user picker\n * @param {HTMLElement} searchResultsContainer The container element for the search results\n */\nconst showSearchResultContainer = (bodyContainer, userPickerContainer, searchResultsContainer) => {\n    bodyContainer.classList.add('hidden');\n    userPickerContainer.classList.add('hidden');\n    searchResultsContainer.classList.remove('hidden');\n};\n\n/**\n * Hide the search results container and show the user picker and body content.\n *\n * @param {HTMLElement} bodyContainer The container element for the body content\n * @param {HTMLElement} userPickerContainer The container element for the user picker\n * @param {HTMLElement} searchResultsContainer The container element for the search results\n */\nconst hideSearchResultContainer = (bodyContainer, userPickerContainer, searchResultsContainer) => {\n    bodyContainer.classList.remove('hidden');\n    userPickerContainer.classList.remove('hidden');\n    searchResultsContainer.classList.add('hidden');\n};\n\n/**\n * Toggles the visibility of the user search.\n *\n * @param {HTMLElement} toggleSearchButton The button that toggles the search\n * @param {HTMLElement} searchContainer The container element for the user search\n * @param {HTMLElement} searchInput The input element for searching\n */\nconst showUserSearchInput = (toggleSearchButton, searchContainer, searchInput) => {\n    searchContainer.classList.remove('collapsed');\n    toggleSearchButton.setAttribute('aria-expanded', 'true');\n    toggleSearchButton.classList.add('expand');\n    toggleSearchButton.classList.remove('collapse');\n\n    // Hide the grading info container from screen reader.\n    const gradingInfoContainer = searchContainer.parentElement.querySelector(Selectors.regions.gradingInfoContainer);\n    gradingInfoContainer.setAttribute('aria-hidden', 'true');\n\n    // Hide the collapse grading drawer button from screen reader.\n    const collapseGradingDrawer = searchContainer.parentElement.querySelector(Selectors.buttons.collapseGradingDrawer);\n    collapseGradingDrawer.setAttribute('aria-hidden', 'true');\n    collapseGradingDrawer.setAttribute('tabindex', '-1');\n\n    searchInput.focus();\n};\n\n/**\n * Toggles the visibility of the user search.\n *\n * @param {HTMLElement} toggleSearchButton The button that toggles the search\n * @param {HTMLElement} searchContainer The container element for the user search\n * @param {HTMLElement} searchInput The input element for searching\n */\nconst hideUserSearchInput = (toggleSearchButton, searchContainer, searchInput) => {\n    searchContainer.classList.add('collapsed');\n    toggleSearchButton.setAttribute('aria-expanded', 'false');\n    toggleSearchButton.classList.add('collapse');\n    toggleSearchButton.classList.remove('expand');\n    toggleSearchButton.focus();\n\n    // Show the grading info container to screen reader.\n    const gradingInfoContainer = searchContainer.parentElement.querySelector(Selectors.regions.gradingInfoContainer);\n    gradingInfoContainer.removeAttribute('aria-hidden');\n\n    // Show the collapse grading drawer button from screen reader.\n    const collapseGradingDrawer = searchContainer.parentElement.querySelector(Selectors.buttons.collapseGradingDrawer);\n    collapseGradingDrawer.removeAttribute('aria-hidden');\n    collapseGradingDrawer.setAttribute('tabindex', '0');\n\n    searchInput.value = '';\n};\n\n/**\n * Find the list of users who's names include the given search term.\n *\n * @param {Array} userList List of users for the grader\n * @param {String} searchTerm The search term to match\n * @return {Array}\n */\nconst searchForUsers = (userList, searchTerm) => {\n    if (searchTerm === '') {\n        return userList;\n    }\n\n    searchTerm = searchTerm.toLowerCase();\n\n    return userList.filter((user) => {\n        return user.fullname.toLowerCase().includes(searchTerm);\n    });\n};\n\n/**\n * Render the list of users in the search results area.\n *\n * @param {HTMLElement} searchResultsContainer The container element for search results\n * @param {Array} users The list of users to display\n */\nconst renderSearchResults = async(searchResultsContainer, users) => {\n    const {html, js} = await Templates.renderForPromise(templateNames.grader.searchResults, {users});\n    Templates.replaceNodeContents(searchResultsContainer, html, js);\n};\n\n/**\n * Add click handlers to the buttons in the header of the grading interface.\n *\n * @param {HTMLElement} graderLayout\n * @param {Object} userPicker\n * @param {Function} saveGradeFunction\n * @param {Array} userList List of users for the grader.\n */\nconst registerEventListeners = (graderLayout, userPicker, saveGradeFunction, userList) => {\n    const graderContainer = graderLayout.getContainer();\n    const toggleSearchButton = graderContainer.querySelector(Selectors.buttons.toggleSearch);\n    const searchInputContainer = graderContainer.querySelector(Selectors.regions.userSearchContainer);\n    const searchInput = searchInputContainer.querySelector(Selectors.regions.userSearchInput);\n    const bodyContainer = graderContainer.querySelector(Selectors.regions.bodyContainer);\n    const userPickerContainer = graderContainer.querySelector(Selectors.regions.pickerRegion);\n    const searchResultsContainer = graderContainer.querySelector(Selectors.regions.searchResultsContainer);\n\n    graderContainer.addEventListener('click', (e) => {\n        if (e.target.closest(Selectors.buttons.toggleFullscreen)) {\n            e.stopImmediatePropagation();\n            e.preventDefault();\n            graderLayout.toggleFullscreen();\n\n            return;\n        }\n\n        if (e.target.closest(Selectors.buttons.closeGrader)) {\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            graderLayout.close();\n\n            return;\n        }\n\n        if (e.target.closest(Selectors.buttons.saveGrade)) {\n            saveGradeFunction(userPicker.currentUser);\n        }\n\n        if (e.target.closest(Selectors.buttons.toggleSearch)) {\n            if (toggleSearchButton.getAttribute('aria-expanded') === 'true') {\n                // Search is open so let's close it.\n                hideUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n                hideSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n                searchResultsContainer.innerHTML = '';\n            } else {\n                // Search is closed so let's open it.\n                showUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n                showSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n                renderSearchResults(searchResultsContainer, userList);\n            }\n\n            return;\n        }\n\n        const selectUserButton = e.target.closest(Selectors.buttons.selectUser);\n        if (selectUserButton) {\n            const userId = selectUserButton.getAttribute('data-userid');\n            const user = userList.find(user => user.id == userId);\n            userPicker.setUserId(userId);\n            userPicker.showUser(user);\n            hideUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n            hideSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n            searchResultsContainer.innerHTML = '';\n        }\n    });\n\n    // Debounce the search input so that it only executes 300 milliseconds after the user has finished typing.\n    searchInput.addEventListener('input', debounce(() => {\n        const users = searchForUsers(userList, searchInput.value);\n        renderSearchResults(searchResultsContainer, users);\n    }, 300));\n\n    // Remove the right margin of the content container when the grading panel is hidden so that it expands to full-width.\n    subscribe(DrawerEvents.DRAWER_HIDDEN, (drawerRoot) => {\n        const gradingPanel = drawerRoot[0];\n        if (gradingPanel.querySelector(Selectors.regions.gradingPanel)) {\n            setContentContainerMargin(graderContainer, 0);\n        }\n    });\n\n    // Bring back the right margin of the content container when the grading panel is shown to give space for the grading panel.\n    subscribe(DrawerEvents.DRAWER_SHOWN, (drawerRoot) => {\n        const gradingPanel = drawerRoot[0];\n        if (gradingPanel.querySelector(Selectors.regions.gradingPanel)) {\n            setContentContainerMargin(graderContainer, gradingPanel.offsetWidth);\n        }\n    });\n};\n\n/**\n * Adjusts the right margin of the content container.\n *\n * @param {HTMLElement} graderContainer The container for the grader app.\n * @param {Number} rightMargin The right margin value.\n */\nconst setContentContainerMargin = (graderContainer, rightMargin) => {\n    const contentContainer = graderContainer.querySelector(Selectors.regions.moduleContainer);\n    if (contentContainer) {\n        contentContainer.style.marginRight = `${rightMargin}px`;\n    }\n};\n\n/**\n * Get the function used to save a user grade.\n *\n * @param {HTMLElement} root The container for the grader\n * @param {Function} setGradeForUser The function that will be called.\n * @return {Function}\n */\nconst getSaveUserGradeFunction = (root, setGradeForUser) => {\n    return async(user) => {\n        try {\n            root.querySelector(Selectors.regions.gradingPanelErrors).innerHTML = '';\n            const result = await setGradeForUser(\n                user.id,\n                root.querySelector(Selectors.values.sendStudentNotifications).value,\n                root.querySelector(Selectors.regions.gradingPanel)\n            );\n            if (result.success) {\n                addToast(await getString('grades:gradesavedfor', 'mod_forum', user));\n            }\n            if (result.failed) {\n                displayGradingError(root, user, result.error);\n            }\n\n            return result;\n        } catch (err) {\n            displayGradingError(root, user, err);\n\n            return failedUpdate(err);\n        }\n    };\n};\n\n/**\n * Display a grading error, typically from a failed save.\n *\n * @param {HTMLElement} root The container for the grader\n * @param {Object} user The user who was errored\n * @param {Object} err The details of the error\n */\nconst displayGradingError = async(root, user, err) => {\n    const [\n        {html, js},\n        errorString\n    ] = await Promise.all([\n        Templates.renderForPromise(templateNames.grader.gradingPanel.error, {error: err}),\n        await getString('grades:gradesavefailed', 'mod_forum', {error: err.message, ...user}),\n    ]);\n\n    Templates.replaceNodeContents(root.querySelector(Selectors.regions.gradingPanelErrors), html, js);\n    addToast(errorString);\n};\n\n/**\n * Launch the grader interface with the specified parameters.\n *\n * @param {Function} getListOfUsers A function to get the list of users\n * @param {Function} getContentForUser A function to get the content for a specific user\n * @param {Function} getGradeForUser A function get the grade details for a specific user\n * @param {Function} setGradeForUser A function to set the grade for a specific user\n * @param {Object} Preferences for the launch function\n */\nexport const launch = async(getListOfUsers, getContentForUser, getGradeForUser, setGradeForUser, {\n    initialUserId = null,\n    moduleName,\n    courseName,\n    courseUrl,\n    sendStudentNotifications,\n    focusOnClose = null,\n} = {}) => {\n\n    // We need all of these functions to be executed in series, if one step runs before another the interface\n    // will not work.\n\n    // We need this promise to resolve separately so that we can avoid loading the whole interface if there are no users.\n    const userList = await getListOfUsers();\n    if (!userList.length) {\n        addNotification({\n            message: await getString('nouserstograde', 'core_grades'),\n            type: \"error\",\n        });\n        return;\n    }\n\n    // Now that we have confirmed there are at least some users let's boot up the grader interface.\n    const [\n        graderLayout,\n        {html, js},\n    ] = await Promise.all([\n        createFullScreenWindow({\n            fullscreen: false,\n            showLoader: false,\n            focusOnClose,\n        }),\n        Templates.renderForPromise(templateNames.grader.app, {\n            moduleName,\n            courseName,\n            courseUrl,\n            drawer: {show: true},\n            defaultsendnotifications: sendStudentNotifications,\n        }),\n    ]);\n\n    const graderContainer = graderLayout.getContainer();\n\n    const saveGradeFunction = getSaveUserGradeFunction(graderContainer, setGradeForUser);\n\n    Templates.replaceNodeContents(graderContainer, html, js);\n    const updateUserContent = getUpdateUserContentFunction(graderContainer, getContentForUser, getGradeForUser, saveGradeFunction);\n\n    const userIds = userList.map(user => user.id);\n    const statusContainer = graderContainer.querySelector(Selectors.regions.statusContainer);\n    // Fetch the userpicker for display.\n    const userPicker = await getUserPicker(\n        userList,\n        async(user) => {\n            const userGrade = await updateUserContent(user);\n            const renderContext = {\n                status: userGrade.hasgrade,\n                index: userIds.indexOf(user.id) + 1,\n                total: userList.length\n            };\n            Templates.render(templateNames.grader.status, renderContext).then(html => {\n                statusContainer.innerHTML = html;\n                return html;\n            }).catch();\n        },\n        saveGradeFunction,\n        {\n            initialUserId,\n        },\n    );\n\n    // Register all event listeners.\n    registerEventListeners(graderLayout, userPicker, saveGradeFunction, userList);\n\n    // Display the newly created user picker.\n    displayUserPicker(graderContainer, userPicker.rootNode);\n};\n\n/**\n * Show the grade for a specific user.\n *\n * @param {Function} getGradeForUser A function get the grade details for a specific user\n * @param {Number} userid The ID of a specific user\n * @param {String} moduleName the name of the module\n */\nexport const view = async(getGradeForUser, userid, moduleName, {\n    focusOnClose = null,\n} = {}) => {\n\n    const [\n        userGrade,\n        modal,\n    ] = await Promise.all([\n        getGradeForUser(userid),\n        Modal.create({\n            title: moduleName,\n            large: true,\n            type: Modal.types.CANCEL\n        }),\n    ]);\n\n    const spinner = addIconToContainerWithPromise(modal.getRoot());\n\n    // Handle hidden event.\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        // Destroy when hidden.\n        modal.destroy();\n        if (focusOnClose) {\n            try {\n                focusOnClose.focus();\n            } catch (e) {\n                // eslint-disable-line\n            }\n        }\n    });\n\n    modal.show();\n    const output = document.createElement('div');\n    const {html, js} = await Templates.renderForPromise('mod_forum/local/grades/view_grade', userGrade);\n    Templates.replaceNodeContents(output, html, js);\n\n    // Note: We do not use await here because it messes with the Modal transitions.\n    const [gradeHTML, gradeJS] = await renderGradeTemplate(userGrade);\n    const gradeReplace = output.querySelector('[data-region=\"grade-template\"]');\n    Templates.replaceNodeContents(gradeReplace, gradeHTML, gradeJS);\n    modal.setBody(output.outerHTML);\n    spinner.resolve();\n};\n\nconst renderGradeTemplate = async(userGrade) => {\n    const {html, js} = await Templates.renderForPromise(userGrade.templatename, userGrade.grade);\n    return [html, js];\n};\nexport {getGradingPanelFunctions};\n"],"file":"grader.min.js"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js b/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js
index 3aae98cacd9..4b30237e229 100644
--- a/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js
+++ b/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js
@@ -1,2 +1,2 @@
-define ("mod_forum/local/grades/local/grader/gradingpanel",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var d="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function b(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function c(a){return function(){var c=this,d=arguments;return new Promise(function(e,f){var i=a.apply(c,d);function g(a){b(i,e,f,g,h,"next",a)}function h(a){b(i,e,f,g,h,"throw",a)}g(void 0)})}}var e=function(){var a=c(regeneratorRuntime.mark(function a(b,c,e,f,g){var h,i;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:h="".concat(e,"/grades/grader/gradingpanel");if(f){h+="/".concat(f)}a.next=4;return"function"==typeof d.define&&d.define.amd?new Promise(function(a,b){d.require([h],a,b)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&d.require&&"component"===d.require.loader?Promise.resolve(require((h))):Promise.resolve(d[h]);case 4:i=a.sent;return a.abrupt("return",{getter:function(a){return i.fetchCurrentGrade(b,c,g,a)},setter:function(a,d,e){return i.storeCurrentGrade(b,c,g,a,d,e)}});case 6:case"end":return a.stop();}}},a)}));return function(){return a.apply(this,arguments)}}();a.default=e;return a.default});
+define ("mod_forum/local/grades/local/grader/gradingpanel",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function c(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function d(a){return function(){var b=this,d=arguments;return new Promise(function(e,f){var g=a.apply(b,d);function h(a){c(g,e,f,h,i,"next",a)}function i(a){c(g,e,f,h,i,"throw",a)}h(void 0)})}}var e=function(){var a=d(regeneratorRuntime.mark(function g(a,c,d,e,f){var h,i;return regeneratorRuntime.wrap(function(g){while(1){switch(g.prev=g.next){case 0:h="".concat(d,"/grades/grader/gradingpanel");if(e){h+="/".concat(e)}g.next=4;return"function"==typeof b.define&&b.define.amd?new Promise(function(a,c){b.require([h],a,c)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&b.require&&"component"===b.require.loader?Promise.resolve(require((h))):Promise.resolve(b[h]);case 4:i=g.sent;return g.abrupt("return",{getter:function(b){return i.fetchCurrentGrade(a,c,f,b)},setter:function(b,d,e){return i.storeCurrentGrade(a,c,f,b,d,e)}});case 6:case"end":return g.stop();}}},g)}));return function(){return a.apply(this,arguments)}}();a.default=e;return a.default});
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diff --git a/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js b/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js
index 03fd8d1f31c..58299bb4141 100644
--- a/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js
+++ b/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js
@@ -1,2 +1,2 @@
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diff --git a/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js.map b/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js.map
index 8c6c361abb3..993ef8cac89 100644
--- a/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js.map
+++ b/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/local/grades/local/grader/user_picker\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Templates from 'core/templates';\nimport Selectors from './user_picker/selectors';\nimport {get_string as getString} from 'core/str';\n\nconst templatePath = 'mod_forum/local/grades/local/grader';\n\nclass UserPicker {\n\n    /**\n     * Constructor for the User Picker.\n     *\n     * @param {Array} userList List of users\n     * @param {Function} showUserCallback The callback used to display the user\n     * @param {Function} preChangeUserCallback The callback to use before changing user\n     */\n    constructor(userList, showUserCallback, preChangeUserCallback) {\n        this.userList = userList;\n        this.showUserCallback = showUserCallback;\n        this.preChangeUserCallback = preChangeUserCallback;\n        this.currentUserIndex = 0;\n\n        // Ensure that render is bound correctly.\n        this.render = this.render.bind(this);\n        this.setUserId = this.setUserId.bind(this);\n    }\n\n    /**\n     * Set the current userid without rendering the change.\n     * To show the user, call showUser too.\n     *\n     * @param {Number} userId\n     */\n    setUserId(userId) {\n        // Determine the current index based on the user ID.\n        const userIndex = this.userList.findIndex(user => {\n            return user.id === parseInt(userId);\n        });\n\n        if (userIndex === -1) {\n            throw Error(`User with id ${userId} not found`);\n        }\n\n        this.currentUserIndex = userIndex;\n    }\n\n    /**\n     * Render the user picker.\n     */\n    async render() {\n        // Create the root node.\n        this.root = document.createElement('div');\n\n        const {html, js} = await this.renderNavigator();\n        Templates.replaceNodeContents(this.root, html, js);\n\n        // Call the showUser function to show the first user immediately.\n        await this.showUser(this.currentUser);\n\n        // Ensure that the event listeners are all bound.\n        this.registerEventListeners();\n    }\n\n    /**\n     * Render the navigator itself.\n     *\n     * @returns {Promise}\n     */\n    renderNavigator() {\n        return Templates.renderForPromise(`${templatePath}/user_picker`, {});\n    }\n\n    /**\n     * Render the current user details for the picker.\n     *\n     * @param {Object} context The data used to render the user picker.\n     * @returns {Promise}\n     */\n    renderUserChange(context) {\n        return Templates.renderForPromise(`${templatePath}/user_picker/user`, context);\n    }\n\n    /**\n     * Show the specified user in the picker.\n     *\n     * @param {Object} user\n     */\n    async showUser(user) {\n        const [{html, js}] = await Promise.all([this.renderUserChange(user), this.showUserCallback(user)]);\n        const userRegion = this.root.querySelector(Selectors.regions.userRegion);\n        Templates.replaceNodeContents(userRegion, html, js);\n\n        // Update the hidden now-grading region so screen readers can announce the user that's currently being graded.\n        const currentUserRegion = this.root.querySelector(Selectors.regions.currentUser);\n        currentUserRegion.textContent = await getString('nowgradinguser', 'mod_forum', user.fullname);\n    }\n\n    /**\n     * Register the event listeners for the user picker.\n     */\n    registerEventListeners() {\n        this.root.addEventListener('click', async(e) => {\n            const button = e.target.closest(Selectors.actions.changeUser);\n\n            if (button) {\n                const result = await this.preChangeUserCallback(this.currentUser);\n\n                if (!result.failed) {\n                    this.updateIndex(parseInt(button.dataset.direction));\n                    await this.showUser(this.currentUser);\n                }\n            }\n        });\n    }\n\n    /**\n     * Update the current user index.\n     *\n     * @param {Number} direction\n     * @returns {Number}}\n     */\n    updateIndex(direction) {\n        this.currentUserIndex += direction;\n\n        // Loop around the edges.\n        if (this.currentUserIndex < 0) {\n            this.currentUserIndex = this.userList.length - 1;\n        } else if (this.currentUserIndex > this.userList.length - 1) {\n            this.currentUserIndex = 0;\n        }\n\n        return this.currentUserIndex;\n    }\n\n    /**\n     * Get the details of the user currently shown with the total number of users, and the 1-indexed count of the\n     * current user.\n     *\n     * @returns {Object}\n     */\n    get currentUser() {\n        return {\n            ...this.userList[this.currentUserIndex],\n            total: this.userList.length,\n            displayIndex: this.currentUserIndex + 1,\n        };\n    }\n\n    /**\n     * Get the root node for the User Picker.\n     *\n     * @returns {HTMLElement}\n     */\n    get rootNode() {\n        return this.root;\n    }\n}\n\n/**\n * Create a new user picker.\n *\n * @param {Array} users The list of users\n * @param {Function} showUserCallback The function to call to show a specific user\n * @param {Function} preChangeUserCallback The fucntion to call to save the grade for the current user\n * @param {Number} [currentUserID] The userid of the current user\n * @returns {UserPicker}\n */\nexport default async(\n    users,\n    showUserCallback,\n    preChangeUserCallback,\n    {\n        initialUserId = null,\n    } = {}\n) => {\n    const userPicker = new UserPicker(users, showUserCallback, preChangeUserCallback);\n    if (initialUserId) {\n        userPicker.setUserId(initialUserId);\n    }\n    await userPicker.render();\n\n    return userPicker;\n};\n"],"file":"user_picker.min.js"}
\ No newline at end of file
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/local/grades/local/grader/user_picker\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Templates from 'core/templates';\nimport Selectors from './user_picker/selectors';\nimport {get_string as getString} from 'core/str';\n\nconst templatePath = 'mod_forum/local/grades/local/grader';\n\nclass UserPicker {\n\n    /**\n     * Constructor for the User Picker.\n     *\n     * @param {Array} userList List of users\n     * @param {Function} showUserCallback The callback used to display the user\n     * @param {Function} preChangeUserCallback The callback to use before changing user\n     */\n    constructor(userList, showUserCallback, preChangeUserCallback) {\n        this.userList = userList;\n        this.showUserCallback = showUserCallback;\n        this.preChangeUserCallback = preChangeUserCallback;\n        this.currentUserIndex = 0;\n\n        // Ensure that render is bound correctly.\n        this.render = this.render.bind(this);\n        this.setUserId = this.setUserId.bind(this);\n    }\n\n    /**\n     * Set the current userid without rendering the change.\n     * To show the user, call showUser too.\n     *\n     * @param {Number} userId\n     */\n    setUserId(userId) {\n        // Determine the current index based on the user ID.\n        const userIndex = this.userList.findIndex(user => {\n            return user.id === parseInt(userId);\n        });\n\n        if (userIndex === -1) {\n            throw Error(`User with id ${userId} not found`);\n        }\n\n        this.currentUserIndex = userIndex;\n    }\n\n    /**\n     * Render the user picker.\n     */\n    async render() {\n        // Create the root node.\n        this.root = document.createElement('div');\n\n        const {html, js} = await this.renderNavigator();\n        Templates.replaceNodeContents(this.root, html, js);\n\n        // Call the showUser function to show the first user immediately.\n        await this.showUser(this.currentUser);\n\n        // Ensure that the event listeners are all bound.\n        this.registerEventListeners();\n    }\n\n    /**\n     * Render the navigator itself.\n     *\n     * @returns {Promise}\n     */\n    renderNavigator() {\n        return Templates.renderForPromise(`${templatePath}/user_picker`, {});\n    }\n\n    /**\n     * Render the current user details for the picker.\n     *\n     * @param {Object} context The data used to render the user picker.\n     * @returns {Promise}\n     */\n    renderUserChange(context) {\n        return Templates.renderForPromise(`${templatePath}/user_picker/user`, context);\n    }\n\n    /**\n     * Show the specified user in the picker.\n     *\n     * @param {Object} user\n     */\n    async showUser(user) {\n        const [{html, js}] = await Promise.all([this.renderUserChange(user), this.showUserCallback(user)]);\n        const userRegion = this.root.querySelector(Selectors.regions.userRegion);\n        Templates.replaceNodeContents(userRegion, html, js);\n\n        // Update the hidden now-grading region so screen readers can announce the user that's currently being graded.\n        const currentUserRegion = this.root.querySelector(Selectors.regions.currentUser);\n        currentUserRegion.textContent = await getString('nowgradinguser', 'mod_forum', user.fullname);\n    }\n\n    /**\n     * Register the event listeners for the user picker.\n     */\n    registerEventListeners() {\n        this.root.addEventListener('click', async(e) => {\n            const button = e.target.closest(Selectors.actions.changeUser);\n\n            if (button) {\n                const result = await this.preChangeUserCallback(this.currentUser);\n\n                if (!result.failed) {\n                    this.updateIndex(parseInt(button.dataset.direction));\n                    await this.showUser(this.currentUser);\n                }\n            }\n        });\n    }\n\n    /**\n     * Update the current user index.\n     *\n     * @param {Number} direction\n     * @returns {Number}}\n     */\n    updateIndex(direction) {\n        this.currentUserIndex += direction;\n\n        // Loop around the edges.\n        if (this.currentUserIndex < 0) {\n            this.currentUserIndex = this.userList.length - 1;\n        } else if (this.currentUserIndex > this.userList.length - 1) {\n            this.currentUserIndex = 0;\n        }\n\n        return this.currentUserIndex;\n    }\n\n    /**\n     * Get the details of the user currently shown with the total number of users, and the 1-indexed count of the\n     * current user.\n     *\n     * @returns {Object}\n     */\n    get currentUser() {\n        return {\n            ...this.userList[this.currentUserIndex],\n            total: this.userList.length,\n            displayIndex: this.currentUserIndex + 1,\n        };\n    }\n\n    /**\n     * Get the root node for the User Picker.\n     *\n     * @returns {HTMLElement}\n     */\n    get rootNode() {\n        return this.root;\n    }\n}\n\n/**\n * Create a new user picker.\n *\n * @param {Array} users The list of users\n * @param {Function} showUserCallback The function to call to show a specific user\n * @param {Function} preChangeUserCallback The fucntion to call to save the grade for the current user\n * @param {Number} [currentUserID] The userid of the current user\n * @returns {UserPicker}\n */\nexport default async(\n    users,\n    showUserCallback,\n    preChangeUserCallback,\n    {\n        initialUserId = null,\n    } = {}\n) => {\n    const userPicker = new UserPicker(users, showUserCallback, preChangeUserCallback);\n    if (initialUserId) {\n        userPicker.setUserId(initialUserId);\n    }\n    await userPicker.render();\n\n    return userPicker;\n};\n"],"file":"user_picker.min.js"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/layout/fullscreen.min.js b/mod/forum/amd/build/local/layout/fullscreen.min.js
index cf4ab0f3efd..211423fb409 100644
--- a/mod/forum/amd/build/local/layout/fullscreen.min.js
+++ b/mod/forum/amd/build/local/layout/fullscreen.min.js
@@ -1,2 +1,2 @@
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 //# sourceMappingURL=fullscreen.min.js.map
diff --git a/mod/forum/amd/build/local/layout/fullscreen.min.js.map b/mod/forum/amd/build/local/layout/fullscreen.min.js.map
index 0ee589cd8f2..cc0479b726c 100644
--- a/mod/forum/amd/build/local/layout/fullscreen.min.js.map
+++ b/mod/forum/amd/build/local/layout/fullscreen.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Full screen window layout.\n *\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {addIconToContainer} from 'core/loadingicon';\nimport {addToastRegion} from 'core/toast';\nimport * as FocusLockManager from 'core/local/aria/focuslock';\n\n/**\n * @param {string} templateName\n * @param {object} context\n * @return {object}\n */\nconst getComposedLayout = ({\n    fullscreen = true,\n    showLoader = false,\n    focusOnClose = null,\n} = {}) => {\n    const container = document.createElement('div');\n    document.body.append(container);\n    container.classList.add('layout');\n    container.classList.add('fullscreen');\n    container.setAttribute('role', 'application');\n    addToastRegion(container);\n\n    // Lock scrolling on the document body.\n    lockBodyScroll();\n\n    // Lock tab control.\n    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make the conatiner full screen.\n     */\n    const requestFullscreen = () => {\n        if (layoutNode.requestFullscreen) {\n            layoutNode.requestFullscreen();\n        } else if (layoutNode.msRequestFullscreen) {\n            layoutNode.msRequestFullscreen();\n        } else if (layoutNode.mozRequestFullscreen) {\n            layoutNode.mozRequestFullscreen();\n        } else if (layoutNode.webkitRequestFullscreen) {\n            layoutNode.webkitRequestFullscreen();\n        } else {\n            // Not supported.\n            // Hack to make this act like full-screen as much as possible.\n            layoutNode.setTop(0);\n        }\n    };\n\n    /**\n     * Exit full screen but do not close the container fully.\n     */\n    const exitFullscreen = () => {\n        if (document.exitRequestFullScreen) {\n            if (document.fullScreenElement !== layoutNode) {\n                return;\n            }\n            document.exitRequestFullScreen();\n        } else if 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contentNode.removeChild(child);\n            child = contentNode.lastElementChild;\n        }\n        contentNode.append(content);\n    };\n\n    const showLoadingIcon = () => {\n        addIconToContainer(loadingNode);\n    };\n\n    const hideLoadingIcon = () => {\n        // Hide the loading container.\n        let child = loadingNode.lastElementChild;\n        while (child) {\n            loadingNode.removeChild(child);\n            child = loadingNode.lastElementChild;\n        }\n    };\n\n    /**\n     * @return {Object}\n     */\n    return {\n        close,\n\n        toggleFullscreen,\n        requestFullscreen,\n        exitFullscreen,\n\n        getContainer,\n        setContent,\n\n        showLoadingIcon,\n        hideLoadingIcon,\n    };\n};\n\nconst lockBodyScroll = () => {\n    document.querySelector('body').classList.add('overflow-hidden');\n};\n\nconst unlockBodyScroll = () => {\n    document.querySelector('body').classList.remove('overflow-hidden');\n};\n\nexport const createLayout = getComposedLayout;\n"],"file":"fullscreen.min.js"}
\ No newline at end of file
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If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Full screen window layout.\n *\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {addIconToContainer} from 'core/loadingicon';\nimport {addToastRegion} from 'core/toast';\nimport * as FocusLockManager from 'core/local/aria/focuslock';\n\n/**\n * @param {string} templateName\n * @param {object} context\n * @return {object}\n */\nconst getComposedLayout = ({\n    fullscreen = true,\n    showLoader = false,\n    focusOnClose = null,\n} = {}) => {\n    const container = document.createElement('div');\n    document.body.append(container);\n    container.classList.add('layout');\n    container.classList.add('fullscreen');\n    container.setAttribute('role', 'application');\n    addToastRegion(container);\n\n    // Lock scrolling on the document body.\n    lockBodyScroll();\n\n    // Lock tab control.\n    FocusLockManager.trapFocus(container);\n\n    const helpers = getLayoutHelpers(container, FocusLockManager, focusOnClose);\n\n    if (showLoader) {\n        helpers.showLoadingIcon();\n    }\n\n    if (fullscreen) {\n        helpers.requestFullscreen();\n    }\n\n    return helpers;\n};\n\nconst getLayoutHelpers = (layoutNode, FocusLockManager, focusOnClose) => {\n    const contentNode = document.createElement('div');\n    layoutNode.append(contentNode);\n\n    const loadingNode = document.createElement('div');\n    layoutNode.append(loadingNode);\n\n    /**\n     * Close and destroy the window container.\n     */\n    const close = () => {\n        exitFullscreen();\n        unlockBodyScroll();\n        FocusLockManager.untrapFocus();\n\n        layoutNode.remove();\n\n        if (focusOnClose) {\n            try {\n                focusOnClose.focus();\n            } catch (e) {\n                // eslint-disable-line\n            }\n        }\n    };\n\n    /**\n     * Attempt to make the conatiner full screen.\n     */\n    const requestFullscreen = () => {\n        if (layoutNode.requestFullscreen) {\n            layoutNode.requestFullscreen();\n        } else if (layoutNode.msRequestFullscreen) {\n            layoutNode.msRequestFullscreen();\n        } else if (layoutNode.mozRequestFullscreen) {\n            layoutNode.mozRequestFullscreen();\n        } else if (layoutNode.webkitRequestFullscreen) {\n            layoutNode.webkitRequestFullscreen();\n        } else {\n            // Not supported.\n            // Hack to make this act like full-screen as much as possible.\n            layoutNode.setTop(0);\n        }\n    };\n\n    /**\n     * Exit full screen but do not close the container fully.\n     */\n    const exitFullscreen = () => {\n        if (document.exitRequestFullScreen) {\n            if (document.fullScreenElement !== layoutNode) {\n                return;\n            }\n            document.exitRequestFullScreen();\n        } else if (document.msExitFullscreen) {\n            if (document.msFullscreenElement !== layoutNode) {\n                return;\n            }\n            document.msExitFullscreen();\n        } else if (document.mozCancelFullScreen) {\n            if (document.mozFullScreenElement !== layoutNode) {\n                return;\n            }\n            document.mozCancelFullScreen();\n        } else if (document.webkitExitFullscreen) {\n            if (document.webkitFullscreenElement !== layoutNode) {\n                return;\n            }\n            document.webkitExitFullscreen();\n        }\n    };\n\n    const toggleFullscreen = () => {\n        if (document.exitRequestFullScreen) {\n            if (document.fullScreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.msExitFullscreen) {\n            if (document.msFullscreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.mozCancelFullScreen) {\n            if (document.mozFullScreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.webkitExitFullscreen) {\n            if (document.webkitFullscreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        }\n    };\n\n    /**\n     * Get the Node which is fullscreen.\n     *\n     * @return {Element}\n     */\n    const getContainer = () => {\n        return contentNode;\n    };\n\n    const setContent = (content) => {\n        hideLoadingIcon();\n\n        // Note: It would be better to use replaceWith, but this is not compatible with IE.\n        let child = contentNode.lastElementChild;\n        while (child) {\n            contentNode.removeChild(child);\n            child = contentNode.lastElementChild;\n        }\n        contentNode.append(content);\n    };\n\n    const showLoadingIcon = () => {\n        addIconToContainer(loadingNode);\n    };\n\n    const hideLoadingIcon = () => {\n        // Hide the loading container.\n        let child = loadingNode.lastElementChild;\n        while (child) {\n            loadingNode.removeChild(child);\n            child = loadingNode.lastElementChild;\n        }\n    };\n\n    /**\n     * @return {Object}\n     */\n    return {\n        close,\n\n        toggleFullscreen,\n        requestFullscreen,\n        exitFullscreen,\n\n        getContainer,\n        setContent,\n\n        showLoadingIcon,\n        hideLoadingIcon,\n    };\n};\n\nconst lockBodyScroll = () => {\n    document.querySelector('body').classList.add('overflow-hidden');\n};\n\nconst unlockBodyScroll = () => {\n    document.querySelector('body').classList.remove('overflow-hidden');\n};\n\nexport const createLayout = getComposedLayout;\n"],"file":"fullscreen.min.js"}
\ No newline at end of file
diff --git a/mod/quiz/yui/build/moodle-mod_quiz-autosave/moodle-mod_quiz-autosave-min.js b/mod/quiz/yui/build/moodle-mod_quiz-autosave/moodle-mod_quiz-autosave-min.js
index 6d79032bbbc..2cceb48d295 100644
--- a/mod/quiz/yui/build/moodle-mod_quiz-autosave/moodle-mod_quiz-autosave-min.js
+++ b/mod/quiz/yui/build/moodle-mod_quiz-autosave/moodle-mod_quiz-autosave-min.js
@@ -1 +1 @@
-YUI.add("moodle-mod_quiz-autosave",function(i,t){M.mod_quiz=M.mod_quiz||{},M.mod_quiz.autosave={TINYMCE_DETECTION_DELAY:500,TINYMCE_DETECTION_REPEATS:20,WATCH_HIDDEN_DELAY:1e3,FAILURES_BEFORE_NOTIFY:1,FIRST_SUCCESSFUL_SAVE:-1,SELECTORS:{QUIZ_FORM:"#responseform",VALUE_CHANGE_ELEMENTS:'input, textarea, [contenteditable="true"]',CHANGE_ELEMENTS:"input, select",HIDDEN_INPUTS:"input[type=hidden]",CONNECTION_ERROR:"#connection-error",CONNECTION_OK:"#connection-ok"},AUTOSAVE_HANDLER:M.cfg.wwwroot+"/mod/quiz/autosave.ajax.php",delay:12e4,form:null,dirty:!1,delay_timer:null,save_transaction:null,savefailures:0,editor_change_handler:null,hidden_field_values:{},init:function(t){this.form=i.one(this.SELECTORS.QUIZ_FORM),this.form&&(this.delay=1e3*t,this.form.delegate("valuechange",this.value_changed,this.SELECTORS.VALUE_CHANGE_ELEMENTS,this),this.form.delegate("change",this.value_changed,this.SELECTORS.CHANGE_ELEMENTS,this),this.form.on("submit",this.stop_autosaving,this),this.init_tinymce(this.TINYMCE_DETECTION_REPEATS),this.save_hidden_field_values(),this.watch_hidden_fields())},save_hidden_field_values:function(){this.form.all(this.SELECTORS.HIDDEN_INPUTS).each(function(t){var e=t.get("name");e&&(this.hidden_field_values[e]=t.get("value"))},this)},watch_hidden_fields:function(){this.detect_hidden_field_changes(),i.later(this.WATCH_HIDDEN_DELAY,this,this.watch_hidden_fields)},detect_hidden_field_changes:function(){this.form.all(this.SELECTORS.HIDDEN_INPUTS).each(function(t){var e=t.get("name"),i=t.get("value");e&&(e in this.hidden_field_values&&i===this.hidden_field_values[e]||(this.hidden_field_values[e]=i,this.value_changed({target:t})))},this)},init_tinymce:function(t){"undefined"!=typeof window.tinyMCE?(this.editor_change_handler=i.bind(this.editor_changed,this),window.tinyMCE.onAddEditor.add(i.bind(this.init_tinymce_editor,this))):0<t&&i.later(this.TINYMCE_DETECTION_DELAY,this,this.init_tinymce,[t-1])},init_tinymce_editor:function(t,e){e.onChange.add(this.editor_change_handler),e.onRedo.add(this.editor_change_handler),e.onUndo.add(this.editor_change_handler),e.onKeyDown.add(this.editor_change_handler)},value_changed:function(t){var e=t.target.getAttribute("name");"thispage"===e||"scrollpos"===e||e&&e.match(/_:flagged$/)||(e=e||"#"+t.target.getAttribute("id"),this.start_save_timer_if_necessary())},editor_changed:function(t){this.start_save_timer_if_necessary()},start_save_timer_if_necessary:function(){this.dirty=!0,this.delay_timer||this.save_transaction||this.start_save_timer()},start_save_timer:function(){this.cancel_delay(),this.delay_timer=i.later(this.delay,this,this.save_changes)},cancel_delay:function(){this.delay_timer&&!0!==this.delay_timer&&this.delay_timer.cancel(),this.delay_timer=null},save_changes:function(){if(this.cancel_delay(),this.dirty=!1,this.is_time_nearly_over())this.stop_autosaving();else{"undefined"!=typeof window.tinyMCE&&window.tinyMCE.triggerSave();var t=this.form.all("input[type=submit], button[type=submit]");t.setAttribute("type","button"),this.save_transaction=i.io(this.AUTOSAVE_HANDLER,{method:"POST",form:{id:this.form},on:{success:this.save_done,failure:this.save_failed},context:this}),t.setAttribute("type","submit")}},save_done:function(t,e){"OK"===e.responseText?(this.save_transaction=null,this.dirty&&this.start_save_timer(),0<this.savefailures?(i.one(this.SELECTORS.CONNECTION_ERROR).hide(),i.one(this.SELECTORS.CONNECTION_OK).show(),this.savefailures=this.FIRST_SUCCESSFUL_SAVE):this.savefailures===this.FIRST_SUCCESSFUL_SAVE&&(i.one(this.SELECTORS.CONNECTION_OK).hide(),this.savefailures=0)):this.save_failed(t,e)},save_failed:function(){this.save_transaction=null,this.start_save_timer(),this.savefailures=Math.max(1,this.savefailures+1),this.savefailures===this.FAILURES_BEFORE_NOTIFY&&(i.one(this.SELECTORS.CONNECTION_ERROR).show(),i.one(this.SELECTORS.CONNECTION_OK).hide())},is_time_nearly_over:function(){return M.mod_quiz.timer&&M.mod_quiz.timer.endtime&&(new Date).getTime()+2*this.delay>M.mod_quiz.timer.endtime},stop_autosaving:function(){this.cancel_delay(),this.delay_timer=!0,this.save_transaction&&this.save_transaction.abort()}}},"@VERSION@",{requires:["base","node","event","event-valuechange","node-event-delegate","io-form"]});
\ No newline at end of file
+YUI.add("moodle-mod_quiz-autosave",function(i,t){M.mod_quiz=M.mod_quiz||{},M.mod_quiz.autosave={TINYMCE_DETECTION_DELAY:500,TINYMCE_DETECTION_REPEATS:20,WATCH_HIDDEN_DELAY:1e3,FAILURES_BEFORE_NOTIFY:1,FIRST_SUCCESSFUL_SAVE:-1,SELECTORS:{QUIZ_FORM:"#responseform",VALUE_CHANGE_ELEMENTS:'input, textarea, [contenteditable="true"]',CHANGE_ELEMENTS:"input, select",HIDDEN_INPUTS:"input[type=hidden]",CONNECTION_ERROR:"#connection-error",CONNECTION_OK:"#connection-ok"},AUTOSAVE_HANDLER:M.cfg.wwwroot+"/mod/quiz/autosave.ajax.php",delay:12e4,form:null,dirty:!1,delay_timer:null,save_transaction:null,savefailures:0,editor_change_handler:null,hidden_field_values:{},init:function(t){this.form=i.one(this.SELECTORS.QUIZ_FORM),this.form&&(this.delay=1e3*t,this.form.delegate("valuechange",this.value_changed,this.SELECTORS.VALUE_CHANGE_ELEMENTS,this),this.form.delegate("change",this.value_changed,this.SELECTORS.CHANGE_ELEMENTS,this),this.form.on("submit",this.stop_autosaving,this),this.init_tinymce(this.TINYMCE_DETECTION_REPEATS),this.save_hidden_field_values(),this.watch_hidden_fields())},save_hidden_field_values:function(){this.form.all(this.SELECTORS.HIDDEN_INPUTS).each(function(t){var e=t.get("name");e&&(this.hidden_field_values[e]=t.get("value"))},this)},watch_hidden_fields:function(){this.detect_hidden_field_changes(),i.later(this.WATCH_HIDDEN_DELAY,this,this.watch_hidden_fields)},detect_hidden_field_changes:function(){this.form.all(this.SELECTORS.HIDDEN_INPUTS).each(function(t){var e=t.get("name"),i=t.get("value");e&&(e in this.hidden_field_values&&i===this.hidden_field_values[e]||(this.hidden_field_values[e]=i,this.value_changed({target:t})))},this)},init_tinymce:function(t){"undefined"!=typeof window.tinyMCE?(this.editor_change_handler=i.bind(this.editor_changed,this),window.tinyMCE.onAddEditor.add(i.bind(this.init_tinymce_editor,this))):0<t&&i.later(this.TINYMCE_DETECTION_DELAY,this,this.init_tinymce,[t-1])},init_tinymce_editor:function(t,e){e.onChange.add(this.editor_change_handler),e.onRedo.add(this.editor_change_handler),e.onUndo.add(this.editor_change_handler),e.onKeyDown.add(this.editor_change_handler)},value_changed:function(t){var e=t.target.getAttribute("name");"thispage"===e||"scrollpos"===e||e&&e.match(/_:flagged$/)||(e=e||"#"+t.target.getAttribute("id"),this.start_save_timer_if_necessary())},editor_changed:function(t){this.start_save_timer_if_necessary()},start_save_timer_if_necessary:function(){this.dirty=!0,this.delay_timer||this.save_transaction||this.start_save_timer()},start_save_timer:function(){this.cancel_delay(),this.delay_timer=i.later(this.delay,this,this.save_changes)},cancel_delay:function(){this.delay_timer&&!0!==this.delay_timer&&this.delay_timer.cancel(),this.delay_timer=null},save_changes:function(){var t;this.cancel_delay(),this.dirty=!1,this.is_time_nearly_over()?this.stop_autosaving():("undefined"!=typeof window.tinyMCE&&window.tinyMCE.triggerSave(),(t=this.form.all("input[type=submit], button[type=submit]")).setAttribute("type","button"),this.save_transaction=i.io(this.AUTOSAVE_HANDLER,{method:"POST",form:{id:this.form},on:{success:this.save_done,failure:this.save_failed},context:this}),t.setAttribute("type","submit"))},save_done:function(t,e){"OK"===e.responseText?(this.save_transaction=null,this.dirty&&this.start_save_timer(),0<this.savefailures?(i.one(this.SELECTORS.CONNECTION_ERROR).hide(),i.one(this.SELECTORS.CONNECTION_OK).show(),this.savefailures=this.FIRST_SUCCESSFUL_SAVE):this.savefailures===this.FIRST_SUCCESSFUL_SAVE&&(i.one(this.SELECTORS.CONNECTION_OK).hide(),this.savefailures=0)):this.save_failed(t,e)},save_failed:function(){this.save_transaction=null,this.start_save_timer(),this.savefailures=Math.max(1,this.savefailures+1),this.savefailures===this.FAILURES_BEFORE_NOTIFY&&(i.one(this.SELECTORS.CONNECTION_ERROR).show(),i.one(this.SELECTORS.CONNECTION_OK).hide())},is_time_nearly_over:function(){return M.mod_quiz.timer&&M.mod_quiz.timer.endtime&&(new Date).getTime()+2*this.delay>M.mod_quiz.timer.endtime},stop_autosaving:function(){this.cancel_delay(),this.delay_timer=!0,this.save_transaction&&this.save_transaction.abort()}}},"@VERSION@",{requires:["base","node","event","event-valuechange","node-event-delegate","io-form"]});
\ No newline at end of file
diff --git a/mod/quiz/yui/build/moodle-mod_quiz-dragdrop/moodle-mod_quiz-dragdrop-min.js b/mod/quiz/yui/build/moodle-mod_quiz-dragdrop/moodle-mod_quiz-dragdrop-min.js
index c56eb9f3f4c..47197659f29 100644
--- a/mod/quiz/yui/build/moodle-mod_quiz-dragdrop/moodle-mod_quiz-dragdrop-min.js
+++ b/mod/quiz/yui/build/moodle-mod_quiz-dragdrop/moodle-mod_quiz-dragdrop-min.js
@@ -1,2 +1,2 @@
-YUI.add("moodle-mod_quiz-dragdrop",function(p,e){var o,c=".actions",t="activity",h="mod-quiz-edit-content",g="editing_move",i="iconsmall",s="jumpmenu",r="left",d="movedown",a="moveup",n="page-content",l="right",u="slots",_="section-handle",m="slots",f="sectiondraggable",v="li.page",z="li.slot",q=function(){q.superclass.constructor.apply(this,arguments)};p.extend(q,M.core.dragdrop,{sectionlistselector:null,initializer:function(){if(this.groups=[f],this.samenodeclass="section",this.parentnodeclass="slots",p.Node.one("."+s))return!1;if(this.sectionlistselector="li.section",this.sectionlistselector){this.sectionlistselector="."+h+" "+this.sectionlistselector,this.setup_for_section(this.sectionlistselector);var e=new p.DD.Delegate({container:"."+h,nodes:"."+f,target:!0,handles:["."+r],dragConfig:{groups:this.groups}});e.dd.plug(p.Plugin.DDProxy,{moveOnEnd:!1}),e.dd.plug(p.Plugin.DDConstrained,{constrain:"#"+n,stickY:!0}),e.dd.plug(p.Plugin.DDWinScroll)}},setup_for_section:function(e){p.Node.all(e).each(function(e){var o,t,i,s,n=p.Moodle.core_course.util.section.getId(e);0<n&&(o=e.one("."+l+" a."+d),t=e.one("."+l+" a."+a),i=M.util.get_string("movesection","moodle",n),s=e.one("."+r),(o||t)&&s&&(s.setStyle("cursor","move"),s.appendChild(this.get_drag_handle(i,_,"icon",!0)),t&&t.remove(),o&&o.remove(),e.addClass(f)))},this)},drag_start:function(e){var o=e.target,t=p.Node.create('<ul class="slots"></ul>'),i=p.Node.create('<ul class="section"></ul>');i.setStyle("margin",0),i.setContent(o.get("node").get("innerHTML")),t.appendChild(i),o.get("dragNode").setContent(t),o.get("dragNode").addClass(h)},drag_dropmiss:function(e){this.drop_hit(e)},get_section_index:function(e){var o="."+h+" li.section",t=p.all(o);return t.indexOf(e)-t.indexOf(p.one("#section-0"))},drop_hit:function(r){var d,a,e,o,t,i,s=r.drag,n=s.get("node"),l=p.Moodle.core_course.util.section.getId(n),u=l,c=this.get_section_index(n),g=c;if(l!==c){for(t in g<u&&(u=c,g=l),s.get("dragNode").removeClass(h),d=p.Node.all(this.sectionlistselector),a=M.util.add_lightbox(p,n),e={},o=this.get("config").pageparams)o.hasOwnProperty(t)&&(e[t]=o[t]);e.sesskey=M.cfg.sesskey,e.courseid=this.get("courseid"),e.quizid=this.get("quizid"),e["class"]="section",e.field="move",e.id=l,e.value=c,i=M.cfg.wwwroot+this.get("ajaxurl"),p.io(i,{method:"POST",data:e,on:{start:function(){a.show()},success:function(e,o){var t,i,s,n;try{(t=p.JSON.parse(o.responseText)).error&&new M.core.ajaxException(t),M.mod_quiz.edit.process_sections(p,d,t,u,g)}catch(r){}s=!1;do{for(s=!1,i=u;i<=g;i++)p.Moodle.core_course.util.section.getId(d.item(i-1))>p.Moodle.core_course.util.section.getId(d.item(i))&&(n=d.item(i-1).get("id"),d.item(i-1).set("id",d.item(i).get("id")),d.item(i).set("id",n),M.mod_quiz.edit.swap_sections(p,i-1,i),s=!0);--g}while(s);window.setTimeout(function(){a.hide()},250)},failure:function(e,o){this.ajax_failure(o),a.hide()}},context:this})}}},{NAME:"mod_quiz-dragdrop-section",ATTRS:{courseid:{value:null},quizid:{value:null},ajaxurl:{value:0},config:{value:0}}}),M.mod_quiz=M.mod_quiz||{},M.mod_quiz.init_section_dragdrop=function(e){new q(e)},o=function(){o.superclass.constructor.apply(this,arguments)},p.extend(o,M.core.dragdrop,{initializer:function(){var e,o;this.groups=["resource"],this.samenodeclass=t,this.parentnodeclass=u,this.samenodelabel={identifier:"dragtoafter",component:"quiz"},this.parentnodelabel={identifier:"dragtostart",component:"quiz"},this.setup_for_section(),e="li."+t,(o=new p.DD.Delegate({container:"."+h,nodes:e,target:!0,handles:["."+g],dragConfig:{groups:this.groups}})).dd.plug(p.Plugin.DDProxy,{moveOnEnd:!1,cloneNode:!0}),o.dd.plug(p.Plugin.DDConstrained,{constrain:"#"+m}),o.dd.plug(p.Plugin.DDWinScroll),M.mod_quiz.quizbase.register_module(this),M.mod_quiz.dragres=this},setup_for_section:function(){p.Node.all(".mod-quiz-edit-content ul.slots ul.section").each(function(e){e.setAttribute("data-draggroups",this.groups.join(" ")),new p.DD.Drop({node:e,groups:this.groups,padding:"20 0 20 0"}),this.setup_for_resource("li.activity")},this)},setup_for_resource:function(e){p.Node.all(e).each(function(e){var o,t=e.one("a."+g);t&&(o=this.get_drag_handle(M.util.get_string("move","moodle"),g,i,!0),t.replace(o))},this)},drag_start:function(e){var o=e.target;o.get("dragNode").setContent(o.get("node").get("innerHTML")),o.get("dragNode").all(".icon").setStyle("vertical-align","baseline")},drag_dropmiss:function(e){this.drop_hit(e)},drop_hit:function(e){var o,t,i,s,n=e.drag,r=n.get("node"),d=r.one(c),a=M.util.add_spinner(p,d),l={},u=this.get("config").pageparams;for(o in u)l[o]=u[o];l.sesskey=M.cfg.sesskey,l.courseid=this.get("courseid"),l.quizid=this.get("quizid"),l["class"]="resource",l.field="move",l.id=Number(p.Moodle.mod_quiz.util.slot.getId(r)),l.sectionId=p.Moodle.core_course.util.section.getId(r.ancestor("li.section",!0)),(t=r.previous(z))&&(l.previousid=Number(p.Moodle.mod_quiz.util.slot.getId(t))),(i=r.previous(v))&&(l.page=Number(p.Moodle.mod_quiz.util.page.getId(i))),s=M.cfg.wwwroot+this.get("ajaxurl"),p.io(s,{method:"POST",data:l,on:{start:function(){this.lock_drag_handle(n,g),a.show()},success:function(e,o){var t=p.JSON.parse(o.responseText),i={element:r,visible:t.visible};M.mod_quiz.quizbase.invoke_function("set_visibility_resource_ui",i),this.unlock_drag_handle(n,g),window.setTimeout(function(){a.hide()},250),M.mod_quiz.resource_toolbox.reorganise_edit_page()},failure:function(e,o){this.ajax_failure(o),this.unlock_drag_handle(n,_),a.hide(),window.location.reload(!0)}},context:this})},global_drop_over:function(e){var o,t,i;e.drop&&e.drop.inGroup(this.groups)&&(o=e.drag.get("node"),t=e.drop.get("node"),this.lastdroptarget=e.drop,t.hasClass(this.samenodeclass)?(i=this.goingup?"before":"after",t.insert(o,i)):!t.hasClass(this.parentnodeclass)&&!t.test('[data-droptarget="1"]')||t.contains(o)||(this.goingup?t.append(o):t.prepend(o)),this.drop_over(e))}},{NAME:"mod_quiz-dragdrop-resource",ATTRS:{courseid:{value:null},quizid:{value:null},ajaxurl:{value:0},
-config:{value:0}}}),M.mod_quiz=M.mod_quiz||{},M.mod_quiz.init_resource_dragdrop=function(e){new o(e)}},"@VERSION@",{requires:["base","node","io","dom","dd","dd-scroll","moodle-core-dragdrop","moodle-core-notification","moodle-mod_quiz-quizbase","moodle-mod_quiz-util-base","moodle-mod_quiz-util-page","moodle-mod_quiz-util-slot","moodle-course-util"]});
\ No newline at end of file
+YUI.add("moodle-mod_quiz-dragdrop",function(g,e){var o,u=".actions",t="activity",p="mod-quiz-edit-content",r="editing_move",s="iconsmall",c="jumpmenu",n="left",h="movedown",_="moveup",m="page-content",d="right",f="slots",a="section-handle",v="slots",l="sectiondraggable",z="li.page",q="li.slot",i=function(){i.superclass.constructor.apply(this,arguments)};g.extend(i,M.core.dragdrop,{sectionlistselector:null,initializer:function(){if(this.groups=[l],this.samenodeclass="section",this.parentnodeclass="slots",g.Node.one("."+c))return!1;var e;this.sectionlistselector="li.section",this.sectionlistselector&&(this.sectionlistselector="."+p+" "+this.sectionlistselector,this.setup_for_section(this.sectionlistselector),(e=new g.DD.Delegate({container:"."+p,nodes:"."+l,target:!0,handles:["."+n],dragConfig:{groups:this.groups}})).dd.plug(g.Plugin.DDProxy,{moveOnEnd:!1}),e.dd.plug(g.Plugin.DDConstrained,{constrain:"#"+m,stickY:!0}),e.dd.plug(g.Plugin.DDWinScroll))},setup_for_section:function(e){g.Node.all(e).each(function(e){var o,t,i,s=g.Moodle.core_course.util.section.getId(e);0<s&&(o=e.one("."+d+" a."+h),t=e.one("."+d+" a."+_),s=M.util.get_string("movesection","moodle",s),i=e.one("."+n),(o||t)&&i&&(i.setStyle("cursor","move"),i.appendChild(this.get_drag_handle(s,a,"icon",!0)),t&&t.remove(),o&&o.remove(),e.addClass(l)))},this)},drag_start:function(e){var e=e.target,o=g.Node.create('<ul class="slots"></ul>'),t=g.Node.create('<ul class="section"></ul>');t.setStyle("margin",0),t.setContent(e.get("node").get("innerHTML")),o.appendChild(t),e.get("dragNode").setContent(o),e.get("dragNode").addClass(p)},drag_dropmiss:function(e){this.drop_hit(e)},get_section_index:function(e){var o="."+p+" li.section",o=g.all(o);return o.indexOf(e)-o.indexOf(g.one("#section-0"))},drop_hit:function(d){var r,a,e,n,o,t=d.drag,c=t.get("node"),i=g.Moodle.core_course.util.section.getId(c),l=i,s=this.get_section_index(c),u=s;if(i!==s){for(o in u<l&&(l=s,u=i),t.get("dragNode").removeClass(p),r=g.Node.all(this.sectionlistselector),a=M.util.add_lightbox(g,c),e={},n=this.get("config").pageparams)n.hasOwnProperty(o)&&(e[o]=n[o]);e.sesskey=M.cfg.sesskey,e.courseid=this.get("courseid"),e.quizid=this.get("quizid"),e["class"]="section",e.field="move",e.id=i,e.value=s,t=M.cfg.wwwroot+this.get("ajaxurl"),g.io(t,{method:"POST",data:e,on:{start:function(){a.show()},success:function(e,o){var t,i,s,n;try{(t=g.JSON.parse(o.responseText)).error&&new M.core.ajaxException(t),M.mod_quiz.edit.process_sections(g,r,t,l,u)}catch(d){}s=!1;do{for(s=!1,i=l;i<=u;i++)g.Moodle.core_course.util.section.getId(r.item(i-1))>g.Moodle.core_course.util.section.getId(r.item(i))&&(n=r.item(i-1).get("id"),r.item(i-1).set("id",r.item(i).get("id")),r.item(i).set("id",n),M.mod_quiz.edit.swap_sections(g,i-1,i),s=!0)}while(u-=1,s);window.setTimeout(function(){a.hide()},250)},failure:function(e,o){this.ajax_failure(o),a.hide()}},context:this})}}},{NAME:"mod_quiz-dragdrop-section",ATTRS:{courseid:{value:null},quizid:{value:null},ajaxurl:{value:0},config:{value:0}}}),M.mod_quiz=M.mod_quiz||{},M.mod_quiz.init_section_dragdrop=function(e){new i(e)},g.extend(o=function(){o.superclass.constructor.apply(this,arguments)},M.core.dragdrop,{initializer:function(){var e;this.groups=["resource"],this.samenodeclass=t,this.parentnodeclass=f,this.samenodelabel={identifier:"dragtoafter",component:"quiz"},this.parentnodelabel={identifier:"dragtostart",component:"quiz"},this.setup_for_section(),e="li."+t,(e=new g.DD.Delegate({container:"."+p,nodes:e,target:!0,handles:["."+r],dragConfig:{groups:this.groups}})).dd.plug(g.Plugin.DDProxy,{moveOnEnd:!1,cloneNode:!0}),e.dd.plug(g.Plugin.DDConstrained,{constrain:"#"+v}),e.dd.plug(g.Plugin.DDWinScroll),M.mod_quiz.quizbase.register_module(this),M.mod_quiz.dragres=this},setup_for_section:function(){g.Node.all(".mod-quiz-edit-content ul.slots ul.section").each(function(e){e.setAttribute("data-draggroups",this.groups.join(" ")),new g.DD.Drop({node:e,groups:this.groups,padding:"20 0 20 0"}),this.setup_for_resource("li.activity")},this)},setup_for_resource:function(e){g.Node.all(e).each(function(e){var o,e=e.one("a."+r);e&&(o=this.get_drag_handle(M.util.get_string("move","moodle"),r,s,!0),e.replace(o))},this)},drag_start:function(e){e=e.target;e.get("dragNode").setContent(e.get("node").get("innerHTML")),e.get("dragNode").all(".icon").setStyle("vertical-align","baseline")},drag_dropmiss:function(e){this.drop_hit(e)},drop_hit:function(e){var o,t=e.drag,i=t.get("node"),e=i.one(u),s=M.util.add_spinner(g,e),n={},d=this.get("config").pageparams;for(o in d)n[o]=d[o];n.sesskey=M.cfg.sesskey,n.courseid=this.get("courseid"),n.quizid=this.get("quizid"),n["class"]="resource",n.field="move",n.id=Number(g.Moodle.mod_quiz.util.slot.getId(i)),n.sectionId=g.Moodle.core_course.util.section.getId(i.ancestor("li.section",!0)),(e=i.previous(q))&&(n.previousid=Number(g.Moodle.mod_quiz.util.slot.getId(e))),(e=i.previous(z))&&(n.page=Number(g.Moodle.mod_quiz.util.page.getId(e))),e=M.cfg.wwwroot+this.get("ajaxurl"),g.io(e,{method:"POST",data:n,on:{start:function(){this.lock_drag_handle(t,r),s.show()},success:function(e,o){o=g.JSON.parse(o.responseText),o={element:i,visible:o.visible};M.mod_quiz.quizbase.invoke_function("set_visibility_resource_ui",o),this.unlock_drag_handle(t,r),window.setTimeout(function(){s.hide()},250),M.mod_quiz.resource_toolbox.reorganise_edit_page()},failure:function(e,o){this.ajax_failure(o),this.unlock_drag_handle(t,a),s.hide(),window.location.reload(!0)}},context:this})},global_drop_over:function(e){var o,t,i;e.drop&&e.drop.inGroup(this.groups)&&(o=e.drag.get("node"),t=e.drop.get("node"),this.lastdroptarget=e.drop,t.hasClass(this.samenodeclass)?(i=this.goingup?"before":"after",t.insert(o,i)):!t.hasClass(this.parentnodeclass)&&!t.test('[data-droptarget="1"]')||t.contains(o)||(this.goingup?t.append(o):t.prepend(o)),this.drop_over(e))}},{NAME:"mod_quiz-dragdrop-resource",ATTRS:{courseid:{value:null},quizid:{value:null},ajaxurl:{value:0},config:{value:0}}}),
+M.mod_quiz=M.mod_quiz||{},M.mod_quiz.init_resource_dragdrop=function(e){new o(e)}},"@VERSION@",{requires:["base","node","io","dom","dd","dd-scroll","moodle-core-dragdrop","moodle-core-notification","moodle-mod_quiz-quizbase","moodle-mod_quiz-util-base","moodle-mod_quiz-util-page","moodle-mod_quiz-util-slot","moodle-course-util"]});
\ No newline at end of file
diff --git a/mod/quiz/yui/build/moodle-mod_quiz-questionchooser/moodle-mod_quiz-questionchooser-min.js b/mod/quiz/yui/build/moodle-mod_quiz-questionchooser/moodle-mod_quiz-questionchooser-min.js
index 7fed807607d..b340c6b69ce 100644
--- a/mod/quiz/yui/build/moodle-mod_quiz-questionchooser/moodle-mod_quiz-questionchooser-min.js
+++ b/mod/quiz/yui/build/moodle-mod_quiz-questionchooser/moodle-mod_quiz-questionchooser-min.js
@@ -1 +1 @@
-YUI.add("moodle-mod_quiz-questionchooser",function(r,e){var o='.menu [data-action="addquestion"]',s="div.createnewquestion",d="div.chooserdialoguebody",u="div.choosertitle",i=function(){i.superclass.constructor.apply(this,arguments)};r.extend(i,M.core.chooserdialogue,{initializer:function(){r.one("body").delegate("click",this.display_dialogue,o,this)},display_dialogue:function(e){var o,i,t,n;e.preventDefault(),o=r.one(s+" "+d),i=r.one(s+" "+u),null===this.container&&(this.setup_chooser_dialogue(o,i,{}),this.prepare_chooser()),t=r.QueryString.parse(e.currentTarget.get("search").substring(1)),n=this.container.one("form"),this.parameters_to_hidden_input(t,n,"returnurl"),this.parameters_to_hidden_input(t,n,"cmid"),this.parameters_to_hidden_input(t,n,"category"),this.parameters_to_hidden_input(t,n,"addonpage"),this.parameters_to_hidden_input(t,n,"appendqnumstring"),this.display_chooser(e)},parameters_to_hidden_input:function(e,o,i){var t,n;t=e.hasOwnProperty(i)?e[i]:"",(n=o.one("input[name="+i+"]"))||(n=o.appendChild('<input type="hidden">')).set("name",i),n.set("value",t)}},{NAME:"mod_quiz-questionchooser"}),M.mod_quiz=M.mod_quiz||{},M.mod_quiz.init_questionchooser=function(){return M.mod_quiz.question_chooser=new i({}),M.mod_quiz.question_chooser}},"@VERSION@",{requires:["moodle-core-chooserdialogue","moodle-mod_quiz-util","querystring-parse"]});
\ No newline at end of file
+YUI.add("moodle-mod_quiz-questionchooser",function(t,e){var o='.menu [data-action="addquestion"]',n="div.createnewquestion",r="div.chooserdialoguebody",s="div.choosertitle",i=function(){i.superclass.constructor.apply(this,arguments)};t.extend(i,M.core.chooserdialogue,{initializer:function(){t.one("body").delegate("click",this.display_dialogue,o,this)},display_dialogue:function(e){var o,i;e.preventDefault(),o=t.one(n+" "+r),i=t.one(n+" "+s),null===this.container&&(this.setup_chooser_dialogue(o,i,{}),this.prepare_chooser()),o=t.QueryString.parse(e.currentTarget.get("search").substring(1)),i=this.container.one("form"),this.parameters_to_hidden_input(o,i,"returnurl"),this.parameters_to_hidden_input(o,i,"cmid"),this.parameters_to_hidden_input(o,i,"category"),this.parameters_to_hidden_input(o,i,"addonpage"),this.parameters_to_hidden_input(o,i,"appendqnumstring"),this.display_chooser(e)},parameters_to_hidden_input:function(e,o,i){var e=e.hasOwnProperty(i)?e[i]:"",t=o.one("input[name="+i+"]");t||(t=o.appendChild('<input type="hidden">')).set("name",i),t.set("value",e)}},{NAME:"mod_quiz-questionchooser"}),M.mod_quiz=M.mod_quiz||{},M.mod_quiz.init_questionchooser=function(){return M.mod_quiz.question_chooser=new i({}),M.mod_quiz.question_chooser}},"@VERSION@",{requires:["moodle-core-chooserdialogue","moodle-mod_quiz-util","querystring-parse"]});
\ No newline at end of file
diff --git a/mod/quiz/yui/build/moodle-mod_quiz-quizbase/moodle-mod_quiz-quizbase-min.js b/mod/quiz/yui/build/moodle-mod_quiz-quizbase/moodle-mod_quiz-quizbase-min.js
index fc31a75a673..f85939261db 100644
--- a/mod/quiz/yui/build/moodle-mod_quiz-quizbase/moodle-mod_quiz-quizbase-min.js
+++ b/mod/quiz/yui/build/moodle-mod_quiz-quizbase/moodle-mod_quiz-quizbase-min.js
@@ -1 +1 @@
-YUI.add("moodle-mod_quiz-quizbase",function(e,t){var i="mod_quiz-quizbase",s=function(){s.superclass.constructor.apply(this,arguments)};e.extend(s,e.Base,{registermodules:[],register_module:function(e){return this.registermodules.push(e),this},invoke_function:function(e,t){var i;for(i in this.registermodules)e in this.registermodules[i]&&this.registermodules[i][e](t);return this}},{NAME:i,ATTRS:{}}),M.mod_quiz=M.mod_quiz||{},M.mod_quiz.quizbase=M.mod_quiz.quizbase||new s,M.mod_quiz.edit=M.mod_quiz.edit||{},M.mod_quiz.edit.swap_sections=function(e,t,i){var s="mod-quiz-edit-content",o="section_add_menus",n=e.Node.all("."+s+" li.section");n.item(t).one("."+o).swap(n.item(i).one("."+o))},M.mod_quiz.edit.process_sections=function(e,t,i,s,o){var n,u,r,d,m,a,c="sectionname",l=".left .section-handle .icon";if("move"===i.action){for(o<s&&(n=o,o=s,s=n),a=s;a<=o;a++)t.item(a).one("."+c).setContent(i.sectiontitles[a]),d=(r=(u=t.item(a).one(l)).getAttribute("alt")).lastIndexOf(" "),m=r.substr(0,d+1)+a,u.setAttribute("alt",m),u.setAttribute("title",m),t.item(a).removeClass("current");-1!==i.current&&t.item(i.current).addClass("current")}}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
+YUI.add("moodle-mod_quiz-quizbase",function(e,t){var i=function(){i.superclass.constructor.apply(this,arguments)};e.extend(i,e.Base,{registermodules:[],register_module:function(e){return this.registermodules.push(e),this},invoke_function:function(e,t){for(var i in this.registermodules)e in this.registermodules[i]&&this.registermodules[i][e](t);return this}},{NAME:"mod_quiz-quizbase",ATTRS:{}}),M.mod_quiz=M.mod_quiz||{},M.mod_quiz.quizbase=M.mod_quiz.quizbase||new i,M.mod_quiz.edit=M.mod_quiz.edit||{},M.mod_quiz.edit.swap_sections=function(e,t,i){var s="mod-quiz-edit-content",o="section_add_menus",s=e.Node.all("."+s+" li.section");s.item(t).one("."+o).swap(s.item(i).one("."+o))},M.mod_quiz.edit.process_sections=function(a,e,t,i,s){var o,n,u,r,d,m="sectionname",c=".left .section-handle .icon";if("move"===t.action){for(s<i&&(o=s,s=i,i=o),d=i;d<=s;d++)e.item(d).one("."+m).setContent(t.sectiontitles[d]),r=(u=(n=e.item(d).one(c)).getAttribute("alt")).lastIndexOf(" "),r=u.substr(0,r+1)+d,n.setAttribute("alt",r),n.setAttribute("title",r),e.item(d).removeClass("current");-1!==t.current&&e.item(t.current).addClass("current")}}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
diff --git a/mod/quiz/yui/build/moodle-mod_quiz-toolboxes/moodle-mod_quiz-toolboxes-min.js b/mod/quiz/yui/build/moodle-mod_quiz-toolboxes/moodle-mod_quiz-toolboxes-min.js
index cac3363c093..c9031337cca 100644
--- a/mod/quiz/yui/build/moodle-mod_quiz-toolboxes/moodle-mod_quiz-toolboxes-min.js
+++ b/mod/quiz/yui/build/moodle-mod_quiz-toolboxes/moodle-mod_quiz-toolboxes-min.js
@@ -1,3 +1,3 @@
-YUI.add("moodle-mod_quiz-toolboxes",function(u,e){var t,i,n,o="activityinstance",m="editinstructions",_="editor_displayed",s="select-multiple",a="editing_show",T="titleeditor",h={ACTIONAREA:".actions",ACTIONLINKTEXT:".actionlinktext",ACTIVITYACTION:"a.cm-edit-action[data-action], a.editing_maxmark, a.editing_section, input.shuffle_questions",ACTIVITYFORM:"span.instancemaxmarkcontainer form",ACTIVITYINSTANCE:"."+o,SECTIONINSTANCE:".sectioninstance",ACTIVITYLI:"li.activity, li.section",ACTIVITYMAXMARK:"input[name=maxmark]",COMMANDSPAN:".commands",CONTENTAFTERLINK:"div.contentafterlink",CONTENTWITHOUTLINK:"div.contentwithoutlink",DELETESECTIONICON:"a.editing_delete .icon",EDITMAXMARK:"a.editing_maxmark",EDITSECTION:"a.editing_section",EDITSECTIONICON:"a.editing_section .icon",EDITSHUFFLEQUESTIONSACTION:"input.cm-edit-action[data-action]",EDITSHUFFLEAREA:".instanceshufflequestions .shuffle-progress",HIDE:"a.editing_hide",HIGHLIGHT:"a.editing_highlight",INSTANCENAME:"span.instancename",INSTANCEMAXMARK:"span.instancemaxmark",INSTANCESECTION:"span.instancesection",INSTANCESECTIONAREA:"div.section-heading",MODINDENTDIV:".mod-indent",MODINDENTOUTER:".mod-indent-outer",NUMQUESTIONS:".numberofquestions",PAGECONTENT:"div#page-content",PAGELI:"li.page",SECTIONLI:"li.section",SECTIONUL:"ul.section",SECTIONFORM:".instancesectioncontainer form",SECTIONINPUT:"input[name=section]",SELECTMULTIPLEBUTTON:"#selectmultiplecommand",SELECTMULTIPLECANCELBUTTON:"#selectmultiplecancelcommand",SELECTMULTIPLECHECKBOX:".select-multiple-checkbox",SELECTMULTIPLEDELETEBUTTON:"#selectmultipledeletecommand",SELECTALL:"#questionselectall",SHOW:"a."+a,SLOTLI:"li.slot",SUMMARKS:".mod_quiz_summarks"},c=u.one(document.body);M.mod_quiz=M.mod_quiz||{},t=function(){t.superclass.constructor.apply(this,arguments)},u.extend(t,u.Base,{send_request:function(e,n,o,t){var i,s,a,c,d;for(s in e=e||{},i=this.get("config").pageparams)e[s]=i[s];if(e.sesskey=M.cfg.sesskey,e.courseid=this.get("courseid"),e.quizid=this.get("quizid"),a=M.cfg.wwwroot+this.get("ajaxurl"),c=[],d={method:"POST",data:e,on:{success:function(e,t){try{(c=u.JSON.parse(t.responseText)).error&&new M.core.ajaxException(c)}catch(i){}c.hasOwnProperty("newsummarks")&&u.one(h.SUMMARKS).setHTML(c.newsummarks),c.hasOwnProperty("newnumquestions")&&u.one(h.NUMQUESTIONS).setHTML(M.util.get_string("numquestionsx","quiz",c.newnumquestions)),o&&u.bind(o,this,c)(),n&&window.setTimeout(function(){n.hide()},400)},failure:function(e,t){n&&n.hide(),new M.core.ajaxException(t)}},context:this},t)for(s in t)d[s]=t[s];return n&&n.show(),u.io(a,d),this}},{NAME:"mod_quiz-toolbox",ATTRS:{courseid:{value:0},quizid:{value:0},ajaxurl:{value:null},config:{value:{}}}}),i=function(){i.superclass.constructor.apply(this,arguments)},u.extend(i,t,{editmaxmarkevents:[],NODE_PAGE:1,NODE_SLOT:2,NODE_JOIN:3,initializer:function(){M.mod_quiz.quizbase.register_module(this),u.delegate("click",this.handle_data_action,c,h.ACTIVITYACTION,this),u.delegate("click",this.handle_data_action,c,h.DEPENDENCY_LINK,this),this.initialise_select_multiple()},initialise_select_multiple:function(){u.one(h.SELECTMULTIPLEBUTTON).on("click",function(e){e.preventDefault(),u.one("body").addClass(s)}),u.one(h.SELECTMULTIPLECANCELBUTTON).on("click",function(e){e.preventDefault(),u.one("body").removeClass(s)}),u.delegate("click",this.delete_multiple_action,c,h.SELECTMULTIPLEDELETEBUTTON,this)},handle_data_action:function(e){var t,i,n=e.target;if(n.test("a")||(n=n.ancestor(h.ACTIVITYACTION)),t=n.getData("action"),i=n.ancestor(h.ACTIVITYLI),n.test("a")&&t&&i)switch(t){case"editmaxmark":this.edit_maxmark(e,n,i,t);break;case"delete":this.delete_with_confirmation(e,n,i,t);break;case"addpagebreak":case"removepagebreak":this.update_page_break(e,n,i,t);break;case"adddependency":case"removedependency":this.update_dependency(e,n,i,t)}},add_spinner:function(e){var t=e.one(h.ACTIONAREA);return t?M.util.add_spinner(u,t):null},delete_with_confirmation:function(i,e,t){var n,o,s;i.preventDefault(),n=t,o="",s=M.util.get_string("pluginname","qtype_"+n.getAttribute("class").match(/qtype_([^\s]*)/)[1]),o=M.util.get_string("confirmremovequestion","quiz",s),new M.core.confirm({question:o,modal:!0}).on("complete-yes",function(){var e=this.add_spinner(n),t={"class":"resource",action:"DELETE",id:u.Moodle.mod_quiz.util.slot.getId(n)};this.send_request(t,e,function(e){e.deleted&&(u.Moodle.mod_quiz.util.slot.remove(n),this.reorganise_edit_page(),M.core.actionmenu&&M.core.actionmenu.instance&&M.core.actionmenu.instance.hideMenu(i))})},this)},find_sections_that_would_become_empty:function(){var o,e=u.all(h.SECTIONLI);return 1<e.size()&&e.some(function(e){var t=e.one(h.INSTANCESECTION).getContent(),i=e.all(h.SELECTMULTIPLECHECKBOX+":checked"),n=e.all(h.SELECTMULTIPLECHECKBOX+":not(:checked)");return!i.isEmpty()&&n.isEmpty()&&(o=t),o}),o},delete_multiple_action:function(e){var t=this.find_sections_that_would_become_empty();void 0!==t?new M.core.alert({title:M.util.get_string("cannotremoveslots","quiz"),message:M.util.get_string("cannotremoveallsectionslots","quiz",t)}).show():this.delete_multiple_with_confirmation(e)},delete_multiple_with_confirmation:function(e){var i,n,o;e.preventDefault(),i="",n=[],u.all(h.SELECTMULTIPLECHECKBOX+":checked").each(function(e){var t=u.Moodle.mod_quiz.util.slot.getSlotFromComponent(e);i+=""===i?"":",",i+=u.Moodle.mod_quiz.util.slot.getId(t),n.push(t)}),o=u.one("div.mod-quiz-edit-content"),n&&n.length&&new M.core.confirm({question:M.util.get_string("areyousureremoveselected","quiz"),modal:!0}).on("complete-yes",function(){var e=this.add_spinner(o),t={"class":"resource",field:"deletemultiple",ids:i};this.send_request(t,e,function(e){e.deleted&&(u.all(h.SELECTMULTIPLECHECKBOX+":checked").each(function(e){u.Moodle.mod_quiz.util.slot.remove(e.ancestor("li.activity"))}),this.reorganise_edit_page(),u.one("body").removeClass(s))})},this)},edit_maxmark:function(o,e,s){var a,t=s.one(h.INSTANCEMAXMARK),c=s.one(h.ACTIVITYINSTANCE),d=t.get("firstChild"
-).get("data"),l=d,r=t,i={"class":"resource",field:"getmaxmark",id:u.Moodle.mod_quiz.util.slot.getId(s)};o.preventDefault(),this.send_request(i,null,function(e){var t,i,n;M.core.actionmenu&&M.core.actionmenu.instance&&M.core.actionmenu.instance.hideMenu(o),e.instancemaxmark&&(l=e.instancemaxmark),t=u.Node.create('<form action="#" />'),i=u.Node.create('<span class="'+m+'" id="id_editinstructions" />').set("innerHTML",M.util.get_string("edittitleinstructions","moodle")),n=u.Node.create('<input name="maxmark" type="text" class="'+T+'" />').setAttrs({value:l,autocomplete:"off","aria-describedby":"id_editinstructions",maxLength:"12",size:parseInt(this.get("config").questiondecimalpoints,10)+2}),t.appendChild(n),t.setData("anchor",r),c.insert(i,"before"),r.replace(t),s.addClass(_),n.focus().select(),a=n.on("blur",this.edit_maxmark_cancel,this,s,!1),this.editmaxmarkevents.push(a),a=n.on("key",this.edit_maxmark_cancel,"esc",this,s,!0),this.editmaxmarkevents.push(a),a=t.on("submit",this.edit_maxmark_submit,this,s,d),this.editmaxmarkevents.push(a)})},edit_maxmark_submit:function(e,t,i){var n,o,s;e.preventDefault(),n=u.Lang.trim(t.one(h.ACTIVITYFORM+" "+h.ACTIVITYMAXMARK).get("value")),o=this.add_spinner(t),this.edit_maxmark_clear(t),t.one(h.INSTANCEMAXMARK).setContent(n),null!==n&&""!==n&&n!==i&&(s={"class":"resource",field:"updatemaxmark",maxmark:n,id:u.Moodle.mod_quiz.util.slot.getId(t)},this.send_request(s,o,function(e){e.instancemaxmark&&t.one(h.INSTANCEMAXMARK).setContent(e.instancemaxmark)}))},edit_maxmark_cancel:function(e,t,i){i&&e.preventDefault(),this.edit_maxmark_clear(t)},edit_maxmark_clear:function(e){new u.EventHandle(this.editmaxmarkevents).detach();var t=e.one(h.ACTIVITYFORM),i=e.one("#id_editinstructions");t&&t.replace(t.getData("anchor")),i&&i.remove(),e.removeClass(_),u.later(100,this,function(){e.one(h.EDITMAXMARK).focus()}),u.one("input[name=maxmark")||u.one("body").append('<input type="text" name="maxmark" style="display: none">')},update_page_break:function(e,t,i,n){var o,s,a,c;return e.preventDefault(),o=i.next("li.activity.slot"),s=this.add_spinner(o),a="removepagebreak"===n?1:2,c={"class":"resource",field:"updatepagebreak",id:u.Moodle.mod_quiz.util.slot.getId(o),value:a},this.send_request(c,s,function(e){if(e.slots){if("addpagebreak"===n)u.Moodle.mod_quiz.util.page.add(i);else{var t=i.next(u.Moodle.mod_quiz.util.page.SELECTORS.PAGE);u.Moodle.mod_quiz.util.page.remove(t,!0)}this.reorganise_edit_page()}}),this},update_dependency:function(e,t,i,n){var o,s;return e.preventDefault(),o=this.add_spinner(i),s={"class":"resource",field:"updatedependency",id:u.Moodle.mod_quiz.util.slot.getId(i),value:"adddependency"===n?1:0},this.send_request(s,o,function(e){e.hasOwnProperty("requireprevious")&&u.Moodle.mod_quiz.util.slot.updateDependencyIcon(i,e.requireprevious)}),this},reorganise_edit_page:function(){u.Moodle.mod_quiz.util.slot.reorderSlots(),u.Moodle.mod_quiz.util.slot.reorderPageBreaks(),u.Moodle.mod_quiz.util.page.reorderPages(),u.Moodle.mod_quiz.util.slot.updateOneSlotSections(),u.Moodle.mod_quiz.util.slot.updateAllDependencyIcons()},NAME:"mod_quiz-resource-toolbox",ATTRS:{courseid:{value:0},quizid:{value:0}}}),M.mod_quiz.resource_toolbox=null,M.mod_quiz.init_resource_toolbox=function(e){return M.mod_quiz.resource_toolbox=new i(e),M.mod_quiz.resource_toolbox},n=function(){n.superclass.constructor.apply(this,arguments)},u.extend(n,t,{editsectionevents:[],initializer:function(){M.mod_quiz.quizbase.register_module(this),c.delegate("key",this.handle_data_action,"down:enter",h.ACTIVITYACTION,this),u.delegate("click",this.handle_data_action,c,h.ACTIVITYACTION,this),u.delegate("change",this.handle_data_action,c,h.EDITSHUFFLEQUESTIONSACTION,this)},handle_data_action:function(e){var t,i,n=e.target;if(n.test("a")||n.test("input[data-action]")||(n=n.ancestor(h.ACTIVITYACTION)),t=n.getData("action"),i=n.ancestor(h.ACTIVITYLI),(n.test("a")||n.test("input[data-action]"))&&t&&i)switch(t){case"edit_section_title":this.edit_section_title(e,n,i,t);break;case"shuffle_questions":this.edit_shuffle_questions(e,n,i,t);break;case"deletesection":this.delete_section_with_confirmation(e,n,i,t)}},delete_section_with_confirmation:function(e,t,i){e.preventDefault(),new M.core.confirm({question:M.util.get_string("confirmremovesectionheading","quiz",i.get("aria-label")),modal:!0}).on("complete-yes",function(){var e=M.util.add_spinner(u,i.one(h.ACTIONAREA)),t={"class":"section",action:"DELETE",id:i.get("id").replace("section-","")};this.send_request(t,e,function(e){e.deleted&&window.location.reload(!0)})},this)},edit_section_title:function(e,t,s){var a,i=s.get("id").replace("section-",""),c=s.one(h.INSTANCESECTION),d=c,n={"class":"section",field:"getsectiontitle",id:i};e.preventDefault(),this.send_request(n,null,function(e){var t=e.instancesection,i=u.Node.create('<form action="#" />'),n=u.Node.create('<span class="'+m+'" id="id_editinstructions" />').set("innerHTML",M.util.get_string("edittitleinstructions","moodle")),o=u.Node.create('<input name="section" type="text" />').setAttrs({value:t,autocomplete:"off","aria-describedby":"id_editinstructions",maxLength:"255"});i.appendChild(o),i.setData("anchor",d),c.insert(n,"before"),d.replace(i),o.focus().select(),a=o.on("blur",this.edit_section_title_cancel,this,s,!1),this.editsectionevents.push(a),a=o.on("key",this.edit_section_title_cancel,"esc",this,s,!0),this.editsectionevents.push(a),a=i.on("submit",this.edit_section_title_submit,this,s,t),this.editsectionevents.push(a)})},edit_section_title_submit:function(e,i,t){var n,o,s;e.preventDefault(),n=u.Lang.trim(i.one(h.SECTIONFORM+" "+h.SECTIONINPUT).get("value")),o=M.util.add_spinner(u,i.one(h.INSTANCESECTIONAREA)),this.edit_section_title_clear(i),null!==n&&n!==t&&(i.one(h.INSTANCESECTION).setContent(n),s={"class":"section",field:"updatesectiontitle",newheading:n,id:i.get("id").replace("section-","")},this.send_request(s,o,function(e){if(e){i.one(h.INSTANCESECTION).setContent(e.instancesection),i.one(
-h.EDITSECTIONICON).set("title",M.util.get_string("sectionheadingedit","quiz",e.instancesection)),i.one(h.EDITSECTIONICON).set("alt",M.util.get_string("sectionheadingedit","quiz",e.instancesection));var t=i.one(h.DELETESECTIONICON);t&&(t.set("title",M.util.get_string("sectionheadingremove","quiz",e.instancesection)),t.set("alt",M.util.get_string("sectionheadingremove","quiz",e.instancesection)))}}))},edit_section_title_cancel:function(e,t,i){i&&e.preventDefault(),this.edit_section_title_clear(t)},edit_section_title_clear:function(e){new u.EventHandle(this.editsectionevents).detach();var t=e.one(h.SECTIONFORM),i=e.one("#id_editinstructions");t&&t.replace(t.getData("anchor")),i&&i.remove(),u.later(100,this,function(){e.one(h.EDITSECTION).focus()}),u.one("input[name=section]")||u.one("body").append('<input type="text" name="section" style="display: none">')},edit_shuffle_questions:function(e,t,i){var n,o,s;n=i.one(h.EDITSHUFFLEQUESTIONSACTION).get("checked")?1:0,o={"class":"section",field:"updateshufflequestions",id:i.get("id").replace("section-",""),newshuffle:n},e.preventDefault(),s=M.util.add_spinner(u,i.one(h.EDITSHUFFLEAREA)),this.send_request(o,s)}},{NAME:"mod_quiz-section-toolbox",ATTRS:{courseid:{value:0},quizid:{value:0}}}),M.mod_quiz.init_section_toolbox=function(e){return new n(e)}},"@VERSION@",{requires:["base","node","event","event-key","io","moodle-mod_quiz-quizbase","moodle-mod_quiz-util-slot","moodle-core-notification-ajaxexception"]});
\ No newline at end of file
+YUI.add("moodle-mod_quiz-toolboxes",function(u,a){var e,t,i,n="activityinstance",r="editinstructions",m="editor_displayed",o="select-multiple",c="editing_show",T="titleeditor",_={ACTIONAREA:".actions",ACTIONLINKTEXT:".actionlinktext",ACTIVITYACTION:"a.cm-edit-action[data-action], a.editing_maxmark, a.editing_section, input.shuffle_questions",ACTIVITYFORM:"span.instancemaxmarkcontainer form",ACTIVITYINSTANCE:"."+n,SECTIONINSTANCE:".sectioninstance",ACTIVITYLI:"li.activity, li.section",ACTIVITYMAXMARK:"input[name=maxmark]",COMMANDSPAN:".commands",CONTENTAFTERLINK:"div.contentafterlink",CONTENTWITHOUTLINK:"div.contentwithoutlink",DELETESECTIONICON:"a.editing_delete .icon",EDITMAXMARK:"a.editing_maxmark",EDITSECTION:"a.editing_section",EDITSECTIONICON:"a.editing_section .icon",EDITSHUFFLEQUESTIONSACTION:"input.cm-edit-action[data-action]",EDITSHUFFLEAREA:".instanceshufflequestions .shuffle-progress",HIDE:"a.editing_hide",HIGHLIGHT:"a.editing_highlight",INSTANCENAME:"span.instancename",INSTANCEMAXMARK:"span.instancemaxmark",INSTANCESECTION:"span.instancesection",INSTANCESECTIONAREA:"div.section-heading",MODINDENTDIV:".mod-indent",MODINDENTOUTER:".mod-indent-outer",NUMQUESTIONS:".numberofquestions",PAGECONTENT:"div#page-content",PAGELI:"li.page",SECTIONLI:"li.section",SECTIONUL:"ul.section",SECTIONFORM:".instancesectioncontainer form",SECTIONINPUT:"input[name=section]",SELECTMULTIPLEBUTTON:"#selectmultiplecommand",SELECTMULTIPLECANCELBUTTON:"#selectmultiplecancelcommand",SELECTMULTIPLECHECKBOX:".select-multiple-checkbox",SELECTMULTIPLEDELETEBUTTON:"#selectmultipledeletecommand",SELECTALL:"#questionselectall",SHOW:"a."+c,SLOTLI:"li.slot",SUMMARKS:".mod_quiz_summarks"},s=u.one(document.body);M.mod_quiz=M.mod_quiz||{},u.extend(e=function(){e.superclass.constructor.apply(this,arguments)},u.Base,{send_request:function(e,n,o,t){var i,s,a,c,d;for(s in e=e||{},i=this.get("config").pageparams)e[s]=i[s];if(e.sesskey=M.cfg.sesskey,e.courseid=this.get("courseid"),e.quizid=this.get("quizid"),a=M.cfg.wwwroot+this.get("ajaxurl"),c=[],d={method:"POST",data:e,on:{success:function(e,t){try{(c=u.JSON.parse(t.responseText)).error&&new M.core.ajaxException(c)}catch(i){}c.hasOwnProperty("newsummarks")&&u.one(_.SUMMARKS).setHTML(c.newsummarks),c.hasOwnProperty("newnumquestions")&&u.one(_.NUMQUESTIONS).setHTML(M.util.get_string("numquestionsx","quiz",c.newnumquestions)),o&&u.bind(o,this,c)(),n&&window.setTimeout(function(){n.hide()},400)},failure:function(e,t){n&&n.hide(),new M.core.ajaxException(t)}},context:this},t)for(s in t)d[s]=t[s];return n&&n.show(),u.io(a,d),this}},{NAME:"mod_quiz-toolbox",ATTRS:{courseid:{value:0},quizid:{value:0},ajaxurl:{value:null},config:{value:{}}}}),u.extend(t=function(){t.superclass.constructor.apply(this,arguments)},e,{editmaxmarkevents:[],NODE_PAGE:1,NODE_SLOT:2,NODE_JOIN:3,initializer:function(){M.mod_quiz.quizbase.register_module(this),u.delegate("click",this.handle_data_action,s,_.ACTIVITYACTION,this),u.delegate("click",this.handle_data_action,s,_.DEPENDENCY_LINK,this),this.initialise_select_multiple()},initialise_select_multiple:function(){u.one(_.SELECTMULTIPLEBUTTON).on("click",function(e){e.preventDefault(),u.one("body").addClass(o)}),u.one(_.SELECTMULTIPLECANCELBUTTON).on("click",function(e){e.preventDefault(),u.one("body").removeClass(o)}),u.delegate("click",this.delete_multiple_action,s,_.SELECTMULTIPLEDELETEBUTTON,this)},handle_data_action:function(e){var t=e.target,i=(t=t.test("a")?t:t.ancestor(_.ACTIVITYACTION)).getData("action"),n=t.ancestor(_.ACTIVITYLI);if(t.test("a")&&i&&n)switch(i){case"editmaxmark":this.edit_maxmark(e,t,n,i);break;case"delete":this.delete_with_confirmation(e,t,n,i);break;case"addpagebreak":case"removepagebreak":this.update_page_break(e,t,n,i);break;case"adddependency":case"removedependency":this.update_dependency(e,t,n,i)}},add_spinner:function(e){e=e.one(_.ACTIONAREA);return e?M.util.add_spinner(u,e):null},delete_with_confirmation:function(i,e,t){var n;i.preventDefault(),n=t,t=M.util.get_string("pluginname","qtype_"+n.getAttribute("class").match(/qtype_([^\s]*)/)[1]),t=M.util.get_string("confirmremovequestion","quiz",t),new M.core.confirm({question:t,modal:!0}).on("complete-yes",function(){var e=this.add_spinner(n),t={"class":"resource",action:"DELETE",id:u.Moodle.mod_quiz.util.slot.getId(n)};this.send_request(t,e,function(e){e.deleted&&(u.Moodle.mod_quiz.util.slot.remove(n),this.reorganise_edit_page(),M.core.actionmenu&&M.core.actionmenu.instance&&M.core.actionmenu.instance.hideMenu(i))})},this)},find_sections_that_would_become_empty:function(){var n,e=u.all(_.SECTIONLI);return 1<e.size()&&e.some(function(e){var t=e.one(_.INSTANCESECTION).getContent(),i=e.all(_.SELECTMULTIPLECHECKBOX+":checked"),e=e.all(_.SELECTMULTIPLECHECKBOX+":not(:checked)");return n=!i.isEmpty()&&e.isEmpty()?t:n}),n},delete_multiple_action:function(e){var t=this.find_sections_that_would_become_empty();void 0!==t?new M.core.alert({title:M.util.get_string("cannotremoveslots","quiz"),message:M.util.get_string("cannotremoveallsectionslots","quiz",t)}).show():this.delete_multiple_with_confirmation(e)},delete_multiple_with_confirmation:function(e){var i,t,n;e.preventDefault(),i="",t=[],u.all(_.SELECTMULTIPLECHECKBOX+":checked").each(function(e){e=u.Moodle.mod_quiz.util.slot.getSlotFromComponent(e);i=(i+=""===i?"":",")+u.Moodle.mod_quiz.util.slot.getId(e),t.push(e)}),n=u.one("div.mod-quiz-edit-content"),t&&t.length&&new M.core.confirm({question:M.util.get_string("areyousureremoveselected","quiz"),modal:!0}).on("complete-yes",function(){var e=this.add_spinner(n),t={"class":"resource",field:"deletemultiple",ids:i};this.send_request(t,e,function(e){e.deleted&&(u.all(_.SELECTMULTIPLECHECKBOX+":checked").each(function(e){u.Moodle.mod_quiz.util.slot.remove(e.ancestor("li.activity"))}),this.reorganise_edit_page(),u.one("body").removeClass(o))})},this)},edit_maxmark:function(n,e,o){var s,t=o.one(_.INSTANCEMAXMARK),a=o.one(_.ACTIVITYINSTANCE),c=t.get("firstChild").get("data"),d=c,l=t,t={
+"class":"resource",field:"getmaxmark",id:u.Moodle.mod_quiz.util.slot.getId(o)};n.preventDefault(),this.send_request(t,null,function(e){var t,i;M.core.actionmenu&&M.core.actionmenu.instance&&M.core.actionmenu.instance.hideMenu(n),e.instancemaxmark&&(d=e.instancemaxmark),e=u.Node.create('<form action="#" />'),t=u.Node.create('<span class="'+r+'" id="id_editinstructions" />').set("innerHTML",M.util.get_string("edittitleinstructions","moodle")),i=u.Node.create('<input name="maxmark" type="text" class="'+T+'" />').setAttrs({value:d,autocomplete:"off","aria-describedby":"id_editinstructions",maxLength:"12",size:parseInt(this.get("config").questiondecimalpoints,10)+2}),e.appendChild(i),e.setData("anchor",l),a.insert(t,"before"),l.replace(e),o.addClass(m),i.focus().select(),s=i.on("blur",this.edit_maxmark_cancel,this,o,!1),this.editmaxmarkevents.push(s),s=i.on("key",this.edit_maxmark_cancel,"esc",this,o,!0),this.editmaxmarkevents.push(s),s=e.on("submit",this.edit_maxmark_submit,this,o,c),this.editmaxmarkevents.push(s)})},edit_maxmark_submit:function(e,t,i){var n;e.preventDefault(),e=u.Lang.trim(t.one(_.ACTIVITYFORM+" "+_.ACTIVITYMAXMARK).get("value")),n=this.add_spinner(t),this.edit_maxmark_clear(t),t.one(_.INSTANCEMAXMARK).setContent(e),null!==e&&""!==e&&e!==i&&(i={"class":"resource",field:"updatemaxmark",maxmark:e,id:u.Moodle.mod_quiz.util.slot.getId(t)},this.send_request(i,n,function(e){e.instancemaxmark&&t.one(_.INSTANCEMAXMARK).setContent(e.instancemaxmark)}))},edit_maxmark_cancel:function(e,t,i){i&&e.preventDefault(),this.edit_maxmark_clear(t)},edit_maxmark_clear:function(e){new u.EventHandle(this.editmaxmarkevents).detach();var t=e.one(_.ACTIVITYFORM),i=e.one("#id_editinstructions");t&&t.replace(t.getData("anchor")),i&&i.remove(),e.removeClass(m),u.later(100,this,function(){e.one(_.EDITMAXMARK).focus()}),u.one("input[name=maxmark")||u.one("body").append('<input type="text" name="maxmark" style="display: none">')},update_page_break:function(e,t,i,n){var o,s;return e.preventDefault(),e=i.next("li.activity.slot"),o=this.add_spinner(e),s="removepagebreak"===n?1:2,e={"class":"resource",field:"updatepagebreak",id:u.Moodle.mod_quiz.util.slot.getId(e),value:s},this.send_request(e,o,function(e){e.slots&&("addpagebreak"===n?u.Moodle.mod_quiz.util.page.add(i):(e=i.next(u.Moodle.mod_quiz.util.page.SELECTORS.PAGE),u.Moodle.mod_quiz.util.page.remove(e,!0)),this.reorganise_edit_page())}),this},update_dependency:function(e,t,i,n){return e.preventDefault(),e=this.add_spinner(i),n={"class":"resource",field:"updatedependency",id:u.Moodle.mod_quiz.util.slot.getId(i),value:"adddependency"===n?1:0},this.send_request(n,e,function(e){e.hasOwnProperty("requireprevious")&&u.Moodle.mod_quiz.util.slot.updateDependencyIcon(i,e.requireprevious)}),this},reorganise_edit_page:function(){u.Moodle.mod_quiz.util.slot.reorderSlots(),u.Moodle.mod_quiz.util.slot.reorderPageBreaks(),u.Moodle.mod_quiz.util.page.reorderPages(),u.Moodle.mod_quiz.util.slot.updateOneSlotSections(),u.Moodle.mod_quiz.util.slot.updateAllDependencyIcons()},NAME:"mod_quiz-resource-toolbox",ATTRS:{courseid:{value:0},quizid:{value:0}}}),M.mod_quiz.resource_toolbox=null,M.mod_quiz.init_resource_toolbox=function(e){return M.mod_quiz.resource_toolbox=new t(e),M.mod_quiz.resource_toolbox},u.extend(i=function(){i.superclass.constructor.apply(this,arguments)},e,{editsectionevents:[],initializer:function(){M.mod_quiz.quizbase.register_module(this),s.delegate("key",this.handle_data_action,"down:enter",_.ACTIVITYACTION,this),u.delegate("click",this.handle_data_action,s,_.ACTIVITYACTION,this),u.delegate("change",this.handle_data_action,s,_.EDITSHUFFLEQUESTIONSACTION,this)},handle_data_action:function(e){var t=e.target,i=(t=t.test("a")||t.test("input[data-action]")?t:t.ancestor(_.ACTIVITYACTION)).getData("action"),n=t.ancestor(_.ACTIVITYLI);if((t.test("a")||t.test("input[data-action]"))&&i&&n)switch(i){case"edit_section_title":this.edit_section_title(e,t,n,i);break;case"shuffle_questions":this.edit_shuffle_questions(e,t,n,i);break;case"deletesection":this.delete_section_with_confirmation(e,t,n,i)}},delete_section_with_confirmation:function(e,t,i){e.preventDefault(),new M.core.confirm({question:M.util.get_string("confirmremovesectionheading","quiz",i.get("aria-label")),modal:!0}).on("complete-yes",function(){var e=M.util.add_spinner(u,i.one(_.ACTIONAREA)),t={"class":"section",action:"DELETE",id:i.get("id").replace("section-","")};this.send_request(t,e,function(e){e.deleted&&window.location.reload(!0)})},this)},edit_section_title:function(e,t,o){var s,i=o.get("id").replace("section-",""),a=o.one(_.INSTANCESECTION),c=a,i={"class":"section",field:"getsectiontitle",id:i};e.preventDefault(),this.send_request(i,null,function(e){var e=e.instancesection,t=u.Node.create('<form action="#" />'),i=u.Node.create('<span class="'+r+'" id="id_editinstructions" />').set("innerHTML",M.util.get_string("edittitleinstructions","moodle")),n=u.Node.create('<input name="section" type="text" />').setAttrs({value:e,autocomplete:"off","aria-describedby":"id_editinstructions",maxLength:"255"});t.appendChild(n),t.setData("anchor",c),a.insert(i,"before"),c.replace(t),n.focus().select(),s=n.on("blur",this.edit_section_title_cancel,this,o,!1),this.editsectionevents.push(s),s=n.on("key",this.edit_section_title_cancel,"esc",this,o,!0),this.editsectionevents.push(s),s=t.on("submit",this.edit_section_title_submit,this,o,e),this.editsectionevents.push(s)})},edit_section_title_submit:function(e,i,t){var n;e.preventDefault(),e=u.Lang.trim(i.one(_.SECTIONFORM+" "+_.SECTIONINPUT).get("value")),n=M.util.add_spinner(u,i.one(_.INSTANCESECTIONAREA)),this.edit_section_title_clear(i),null!==e&&e!==t&&(i.one(_.INSTANCESECTION).setContent(e),t={"class":"section",field:"updatesectiontitle",newheading:e,id:i.get("id").replace("section-","")},this.send_request(t,n,function(e){var t;e&&(i.one(_.INSTANCESECTION).setContent(e.instancesection),i.one(_.EDITSECTIONICON).set("title",M.util.get_string("sectionheadingedit",
+"quiz",e.instancesection)),i.one(_.EDITSECTIONICON).set("alt",M.util.get_string("sectionheadingedit","quiz",e.instancesection)),(t=i.one(_.DELETESECTIONICON))&&(t.set("title",M.util.get_string("sectionheadingremove","quiz",e.instancesection)),t.set("alt",M.util.get_string("sectionheadingremove","quiz",e.instancesection))))}))},edit_section_title_cancel:function(e,t,i){i&&e.preventDefault(),this.edit_section_title_clear(t)},edit_section_title_clear:function(e){new u.EventHandle(this.editsectionevents).detach();var t=e.one(_.SECTIONFORM),i=e.one("#id_editinstructions");t&&t.replace(t.getData("anchor")),i&&i.remove(),u.later(100,this,function(){e.one(_.EDITSECTION).focus()}),u.one("input[name=section]")||u.one("body").append('<input type="text" name="section" style="display: none">')},edit_shuffle_questions:function(e,t,i){var n=i.one(_.EDITSHUFFLEQUESTIONSACTION).get("checked")?1:0,n={"class":"section",field:"updateshufflequestions",id:i.get("id").replace("section-",""),newshuffle:n};e.preventDefault(),e=M.util.add_spinner(u,i.one(_.EDITSHUFFLEAREA)),this.send_request(n,e)}},{NAME:"mod_quiz-section-toolbox",ATTRS:{courseid:{value:0},quizid:{value:0}}}),M.mod_quiz.init_section_toolbox=function(e){return new i(e)}},"@VERSION@",{requires:["base","node","event","event-key","io","moodle-mod_quiz-quizbase","moodle-mod_quiz-util-slot","moodle-core-notification-ajaxexception"]});
\ No newline at end of file
diff --git a/mod/quiz/yui/build/moodle-mod_quiz-util-page/moodle-mod_quiz-util-page-min.js b/mod/quiz/yui/build/moodle-mod_quiz-util-page/moodle-mod_quiz-util-page-min.js
index 410d49a9f50..b728eaa3fe4 100644
--- a/mod/quiz/yui/build/moodle-mod_quiz-util-page/moodle-mod_quiz-util-page-min.js
+++ b/mod/quiz/yui/build/moodle-mod_quiz-util-page/moodle-mod_quiz-util-page-min.js
@@ -1 +1 @@
-YUI.add("moodle-mod_quiz-util-page",function(n,e){n.namespace("Moodle.mod_quiz.util.page"),n.Moodle.mod_quiz.util.page={CSS:{PAGE:"page"},CONSTANTS:{ACTIONMENUIDPREFIX:"action-menu-",ACTIONMENUBARIDSUFFIX:"-menubar",ACTIONMENUMENUIDSUFFIX:"-menu",PAGEIDPREFIX:"page-",PAGENUMBERPREFIX:M.util.get_string("page","moodle")+" "},SELECTORS:{ACTIONMENU:"div.moodle-actionmenu",ACTIONMENUBAR:".menubar",ACTIONMENUMENU:".menu",ADDASECTION:'[data-action="addasection"]',PAGE:"li.page",INSTANCENAME:".instancename",NUMBER:"h4"},getPageFromComponent:function(e){return n.one(e).ancestor(this.SELECTORS.PAGE,!0)},getPageFromSlot:function(e){return n.one(e).previous(this.SELECTORS.PAGE)},getId:function(e){var t=e.get("id").replace(this.CONSTANTS.PAGEIDPREFIX,"");return!("number"!=typeof(t=parseInt(t,10))||!isFinite(t))&&t},setId:function(e,t){e.set("id",this.CONSTANTS.PAGEIDPREFIX+t)},getName:function(e){var t=e.one(this.SELECTORS.INSTANCENAME);return t?t.get("firstChild").get("data"):null},getNumber:function(e){var t=e.one(this.SELECTORS.NUMBER).get("text").replace(this.CONSTANTS.PAGENUMBERPREFIX,"");return!("number"!=typeof(t=parseInt(t,10))||!isFinite(t))&&t},setNumber:function(e,t){e.one(this.SELECTORS.NUMBER).set("text",this.CONSTANTS.PAGENUMBERPREFIX+t)},getPages:function(){return n.all(n.Moodle.mod_quiz.util.slot.SELECTORS.PAGECONTENT+" "+n.Moodle.mod_quiz.util.slot.SELECTORS.SECTIONUL+" "+this.SELECTORS.PAGE)},isPage:function(e){return!!e&&e.hasClass(this.CSS.PAGE)},isEmpty:function(e){var t=e.next("li.activity");return!t||!t.hasClass("slot")},add:function(e){var i,t=this.getNumber(this.getPageFromSlot(e))+1,o=M.mod_quiz.resource_toolbox.get("config").pagehtml;return o=o.replace(/%%PAGENUMBER%%/g,t),i=n.Node.create(o),YUI().use("dd-drop",function(e){var t=new e.DD.Drop({node:i,groups:M.mod_quiz.dragres.groups});i.drop=t}),e.insert(i,"after"),"undefined"!=typeof M.core.actionmenu&&M.core.actionmenu.newDOMNode(i),i},remove:function(e,t){var i=e.previous(n.Moodle.mod_quiz.util.slot.SELECTORS.SLOT);!t&&i&&n.Moodle.mod_quiz.util.slot.removePageBreak(i),e.remove()},reorderPages:function(){var e=this.getPages(),i=0;e.each(function(e){if(this.isEmpty(e)){var t=!!e.next("li.slot");this.remove(e,t)}else i++,this.setNumber(e,i),this.setId(e,i)},this),this.reorderActionMenus()},reorderActionMenus:function(){var s=this.getActionMenus();s.each(function(e,t){var i,o,n=s.item(t-1),E=0;n&&(E=this.getActionMenuId(n)),i=E+1,this.setActionMenuId(e,i),e.one(this.SELECTORS.ACTIONMENUBAR).set("id",this.CONSTANTS.ACTIONMENUIDPREFIX+i+this.CONSTANTS.ACTIONMENUBARIDSUFFIX),(o=e.one(this.SELECTORS.ACTIONMENUMENU)).set("id",this.CONSTANTS.ACTIONMENUIDPREFIX+i+this.CONSTANTS.ACTIONMENUMENUIDSUFFIX),o.one(this.SELECTORS.ADDASECTION).set("href",o.one(this.SELECTORS.ADDASECTION).get("href").replace(/\baddsectionatpage=\d+\b/,"addsectionatpage="+i))},this)},getActionMenus:function(){return n.all(n.Moodle.mod_quiz.util.slot.SELECTORS.PAGECONTENT+" "+n.Moodle.mod_quiz.util.slot.SELECTORS.SECTIONUL+" "+this.SELECTORS.ACTIONMENU)},getActionMenuId:function(e){var t=e.get("id").replace(this.CONSTANTS.ACTIONMENUIDPREFIX,"");return!("number"!=typeof(t=parseInt(t,10))||!isFinite(t))&&t},setActionMenuId:function(e,t){e.set("id",this.CONSTANTS.ACTIONMENUIDPREFIX+t)}}},"@VERSION@",{requires:["node","moodle-mod_quiz-util-base"]});
\ No newline at end of file
+YUI.add("moodle-mod_quiz-util-page",function(n,e){n.namespace("Moodle.mod_quiz.util.page"),n.Moodle.mod_quiz.util.page={CSS:{PAGE:"page"},CONSTANTS:{ACTIONMENUIDPREFIX:"action-menu-",ACTIONMENUBARIDSUFFIX:"-menubar",ACTIONMENUMENUIDSUFFIX:"-menu",PAGEIDPREFIX:"page-",PAGENUMBERPREFIX:M.util.get_string("page","moodle")+" "},SELECTORS:{ACTIONMENU:"div.moodle-actionmenu",ACTIONMENUBAR:".menubar",ACTIONMENUMENU:".menu",ADDASECTION:'[data-action="addasection"]',PAGE:"li.page",INSTANCENAME:".instancename",NUMBER:"h4"},getPageFromComponent:function(e){return n.one(e).ancestor(this.SELECTORS.PAGE,!0)},getPageFromSlot:function(e){return n.one(e).previous(this.SELECTORS.PAGE)},getId:function(e){e=e.get("id").replace(this.CONSTANTS.PAGEIDPREFIX,"");return!("number"!=typeof(e=parseInt(e,10))||!isFinite(e))&&e},setId:function(e,t){e.set("id",this.CONSTANTS.PAGEIDPREFIX+t)},getName:function(e){e=e.one(this.SELECTORS.INSTANCENAME);return e?e.get("firstChild").get("data"):null},getNumber:function(e){e=e.one(this.SELECTORS.NUMBER).get("text").replace(this.CONSTANTS.PAGENUMBERPREFIX,"");return!("number"!=typeof(e=parseInt(e,10))||!isFinite(e))&&e},setNumber:function(e,t){e.one(this.SELECTORS.NUMBER).set("text",this.CONSTANTS.PAGENUMBERPREFIX+t)},getPages:function(){return n.all(n.Moodle.mod_quiz.util.slot.SELECTORS.PAGECONTENT+" "+n.Moodle.mod_quiz.util.slot.SELECTORS.SECTIONUL+" "+this.SELECTORS.PAGE)},isPage:function(e){return!!e&&e.hasClass(this.CSS.PAGE)},isEmpty:function(e){e=e.next("li.activity");return!e||!e.hasClass("slot")},add:function(e){var t=this.getNumber(this.getPageFromSlot(e))+1,i=M.mod_quiz.resource_toolbox.get("config").pagehtml,i=i.replace(/%%PAGENUMBER%%/g,t),o=n.Node.create(i);return YUI().use("dd-drop",function(e){e=new e.DD.Drop({node:o,groups:M.mod_quiz.dragres.groups});o.drop=e}),e.insert(o,"after"),"undefined"!=typeof M.core.actionmenu&&M.core.actionmenu.newDOMNode(o),o},remove:function(e,t){var i=e.previous(n.Moodle.mod_quiz.util.slot.SELECTORS.SLOT);!t&&i&&n.Moodle.mod_quiz.util.slot.removePageBreak(i),e.remove()},reorderPages:function(){var e=this.getPages(),i=0;e.each(function(e){var t;if(this.isEmpty(e))return t=!!e.next("li.slot"),void this.remove(e,t);i++,this.setNumber(e,i),this.setId(e,i)},this),this.reorderActionMenus()},reorderActionMenus:function(){var o=this.getActionMenus();o.each(function(e,t){var t=o.item(t-1),i=0;t&&(i=this.getActionMenuId(t)),this.setActionMenuId(e,t=i+1),e.one(this.SELECTORS.ACTIONMENUBAR).set("id",this.CONSTANTS.ACTIONMENUIDPREFIX+t+this.CONSTANTS.ACTIONMENUBARIDSUFFIX),(i=e.one(this.SELECTORS.ACTIONMENUMENU)).set("id",this.CONSTANTS.ACTIONMENUIDPREFIX+t+this.CONSTANTS.ACTIONMENUMENUIDSUFFIX),i.one(this.SELECTORS.ADDASECTION).set("href",i.one(this.SELECTORS.ADDASECTION).get("href").replace(/\baddsectionatpage=\d+\b/,"addsectionatpage="+t))},this)},getActionMenus:function(){return n.all(n.Moodle.mod_quiz.util.slot.SELECTORS.PAGECONTENT+" "+n.Moodle.mod_quiz.util.slot.SELECTORS.SECTIONUL+" "+this.SELECTORS.ACTIONMENU)},getActionMenuId:function(e){e=e.get("id").replace(this.CONSTANTS.ACTIONMENUIDPREFIX,"");return!("number"!=typeof(e=parseInt(e,10))||!isFinite(e))&&e},setActionMenuId:function(e,t){e.set("id",this.CONSTANTS.ACTIONMENUIDPREFIX+t)}}},"@VERSION@",{requires:["node","moodle-mod_quiz-util-base"]});
\ No newline at end of file
diff --git a/mod/quiz/yui/build/moodle-mod_quiz-util-slot/moodle-mod_quiz-util-slot-min.js b/mod/quiz/yui/build/moodle-mod_quiz-util-slot/moodle-mod_quiz-util-slot-min.js
index 6f75f9ddbac..b062aafe066 100644
--- a/mod/quiz/yui/build/moodle-mod_quiz-util-slot/moodle-mod_quiz-util-slot-min.js
+++ b/mod/quiz/yui/build/moodle-mod_quiz-util-slot/moodle-mod_quiz-util-slot-min.js
@@ -1 +1 @@
-YUI.add("moodle-mod_quiz-util-slot",function(c,e){c.namespace("Moodle.mod_quiz.util.slot"),c.Moodle.mod_quiz.util.slot={CSS:{SLOT:"slot",QUESTIONTYPEDESCRIPTION:"qtype_description",CANNOT_DEPEND:"question_dependency_cannot_depend"},CONSTANTS:{SLOTIDPREFIX:"slot-",QUESTION:M.util.get_string("question","moodle")},SELECTORS:{SLOT:"li.slot",INSTANCENAME:".instancename",NUMBER:"span.slotnumber",PAGECONTENT:"div#page-content",PAGEBREAK:"span.page_split_join_wrapper",ICON:".icon",QUESTIONTYPEDESCRIPTION:".qtype_description",SECTIONUL:"ul.section",DEPENDENCY_WRAPPER:".question_dependency_wrapper",DEPENDENCY_LINK:".question_dependency_wrapper .cm-edit-action",DEPENDENCY_ICON:".question_dependency_wrapper .icon"},getSlotFromComponent:function(e){return c.one(e).ancestor(this.SELECTORS.SLOT,!0)},getId:function(e){var t=e.get("id").replace(this.CONSTANTS.SLOTIDPREFIX,"");return!("number"!=typeof(t=parseInt(t,10))||!isFinite(t))&&t},getName:function(e){var t=e.one(this.SELECTORS.INSTANCENAME);return t?t.get("firstChild").get("data"):null},getNumber:function(e){if(!e)return!1;var t=e.one(this.SELECTORS.NUMBER).get("text").replace(this.CONSTANTS.QUESTION,"");return!("number"!=typeof(t=parseInt(t,10))||!isFinite(t))&&t},setNumber:function(e,t){e.one(this.SELECTORS.NUMBER).setHTML('<span class="accesshide">'+this.CONSTANTS.QUESTION+"</span> "+t)},getSlots:function(){return c.all(this.SELECTORS.PAGECONTENT+" "+this.SELECTORS.SECTIONUL+" "+this.SELECTORS.SLOT)},getNumberedSlots:function(){var e=this.SELECTORS.PAGECONTENT+" "+this.SELECTORS.SECTIONUL;return e+=" "+this.SELECTORS.SLOT+":not("+this.SELECTORS.QUESTIONTYPEDESCRIPTION+")",c.all(e)},getPrevious:function(e){return e.previous(this.SELECTORS.SLOT)},getPreviousNumbered:function(e){var t,i,n=e.previous(this.SELECTORS.SLOT+":not("+this.SELECTORS.QUESTIONTYPEDESCRIPTION+")");if(n)return n;for(t=e.ancestor("li.section").previous("li.section");t;){if(0<(i=t.all(this.SELECTORS.SLOT+":not("+this.SELECTORS.QUESTIONTYPEDESCRIPTION+")")).size())return i.item(i.size()-1);t=t.previous("li.section")}return!1},reorderSlots:function(){this.getSlots().each(function(e){var t,i,n;c.Moodle.mod_quiz.util.page.getPageFromSlot(e)||(t=e.next(c.Moodle.mod_quiz.util.page.SELECTORS.PAGE),e.swap(t)),i=this.getPreviousNumbered(e),n=0,e.hasClass(this.CSS.QUESTIONTYPEDESCRIPTION)||(i&&(n=this.getNumber(i)),this.setNumber(e,n+1))},this)},updateOneSlotSections:function(){c.all(".mod-quiz-edit-content ul.slots li.section").each(function(e){1<e.all(this.SELECTORS.SLOT).size()?e.removeClass("only-has-one-slot"):e.addClass("only-has-one-slot")},this)},remove:function(e){var t=c.Moodle.mod_quiz.util.page.getPageFromSlot(e);e.remove(),c.Moodle.mod_quiz.util.page.isEmpty(t)&&c.Moodle.mod_quiz.util.page.remove(t)},getPageBreaks:function(){var e=this.SELECTORS.PAGECONTENT+" "+this.SELECTORS.SECTIONUL;return e+=" "+this.SELECTORS.SLOT+this.SELECTORS.PAGEBREAK,c.all(e)},getPageBreak:function(e){return c.one(e).one(this.SELECTORS.PAGEBREAK)},addPageBreak:function(e){var t,i=M.mod_quiz.resource_toolbox.get("config").addpageiconhtml;return i=i.replace("%%SLOT%%",this.getNumber(e)),t=c.Node.create(i),e.one("div").insert(t,"after"),t},removePageBreak:function(e){var t=this.getPageBreak(e);return!!t&&(t.remove(),!0)},reorderPageBreaks:function(){var l=this.getSlots(),d=0;l.each(function(e,t){var i,n,o,s,r,E,a,u,S;if(d++,i=this.getPageBreak(e),n=e.next("li.activity")){for(S in(i=i||this.addPageBreak(e))&&t===l.size()-1&&this.removePageBreak(e),o=i.get("childNodes").item(0),r=s="",r=c.Moodle.mod_quiz.util.page.isPage(n)?(s="removepagebreak","e/remove_page_break"):(s="addpagebreak","e/insert_page_break"),o.set("title",M.util.get_string(s,"quiz")),o.setData("action",s),(E=o.one(this.SELECTORS.ICON)).set("title",M.util.get_string(s,"quiz")),E.set("alt",M.util.get_string(s,"quiz")),E.set("src",M.util.image_url(r)),(a=c.QueryString.parse(o.get("href"))).slot=d,u="",a)u.length&&(u+="&"),u+=S+"="+a[S];o.set("href",u)}},this)},updateAllDependencyIcons:function(){var e=this.getSlots(),t=0,i=null;e.each(function(e){1==++t||"0"===i.getData("canfinish")?e.one(this.SELECTORS.DEPENDENCY_WRAPPER).addClass(this.CSS.CANNOT_DEPEND):e.one(this.SELECTORS.DEPENDENCY_WRAPPER).removeClass(this.CSS.CANNOT_DEPEND),this.updateDependencyIcon(e,null),i=e},this)},updateDependencyIcon:function(e,t){var i=e.one(this.SELECTORS.DEPENDENCY_LINK),n=e.one(this.SELECTORS.DEPENDENCY_ICON),o=this.getPrevious(e),s={thisq:this.getNumber(e)};o&&(s.previousq=this.getNumber(o)),null===t&&(t="removedependency"===i.getData("action")),t?(i.set("title",M.util.get_string("questiondependencyremove","quiz",s)),i.setData("action","removedependency"),window.require(["core/templates"],function(e){e.renderPix("t/locked","core",M.util.get_string("questiondependsonprevious","quiz")).then(function(e){n.replace(e)})})):(i.set("title",M.util.get_string("questiondependencyadd","quiz",s)),i.setData("action","adddependency"),window.require(["core/templates"],function(e){e.renderPix("t/unlocked","core",M.util.get_string("questiondependencyfree","quiz")).then(function(e){n.replace(e)})}))}}},"@VERSION@",{requires:["node","moodle-mod_quiz-util-base"]});
\ No newline at end of file
+YUI.add("moodle-mod_quiz-util-slot",function(u,e){u.namespace("Moodle.mod_quiz.util.slot"),u.Moodle.mod_quiz.util.slot={CSS:{SLOT:"slot",QUESTIONTYPEDESCRIPTION:"qtype_description",CANNOT_DEPEND:"question_dependency_cannot_depend"},CONSTANTS:{SLOTIDPREFIX:"slot-",QUESTION:M.util.get_string("question","moodle")},SELECTORS:{SLOT:"li.slot",INSTANCENAME:".instancename",NUMBER:"span.slotnumber",PAGECONTENT:"div#page-content",PAGEBREAK:"span.page_split_join_wrapper",ICON:".icon",QUESTIONTYPEDESCRIPTION:".qtype_description",SECTIONUL:"ul.section",DEPENDENCY_WRAPPER:".question_dependency_wrapper",DEPENDENCY_LINK:".question_dependency_wrapper .cm-edit-action",DEPENDENCY_ICON:".question_dependency_wrapper .icon"},getSlotFromComponent:function(e){return u.one(e).ancestor(this.SELECTORS.SLOT,!0)},getId:function(e){e=e.get("id").replace(this.CONSTANTS.SLOTIDPREFIX,"");return!("number"!=typeof(e=parseInt(e,10))||!isFinite(e))&&e},getName:function(e){e=e.one(this.SELECTORS.INSTANCENAME);return e?e.get("firstChild").get("data"):null},getNumber:function(e){if(!e)return!1;e=e.one(this.SELECTORS.NUMBER).get("text").replace(this.CONSTANTS.QUESTION,"");return!("number"!=typeof(e=parseInt(e,10))||!isFinite(e))&&e},setNumber:function(e,t){e.one(this.SELECTORS.NUMBER).setHTML('<span class="accesshide">'+this.CONSTANTS.QUESTION+"</span> "+t)},getSlots:function(){return u.all(this.SELECTORS.PAGECONTENT+" "+this.SELECTORS.SECTIONUL+" "+this.SELECTORS.SLOT)},getNumberedSlots:function(){var e=this.SELECTORS.PAGECONTENT+" "+this.SELECTORS.SECTIONUL;return e+=" "+this.SELECTORS.SLOT+":not("+this.SELECTORS.QUESTIONTYPEDESCRIPTION+")",u.all(e)},getPrevious:function(e){return e.previous(this.SELECTORS.SLOT)},getPreviousNumbered:function(e){var t,i,n=e.previous(this.SELECTORS.SLOT+":not("+this.SELECTORS.QUESTIONTYPEDESCRIPTION+")");if(n)return n;for(t=e.ancestor("li.section").previous("li.section");t;){if(0<(i=t.all(this.SELECTORS.SLOT+":not("+this.SELECTORS.QUESTIONTYPEDESCRIPTION+")")).size())return i.item(i.size()-1);t=t.previous("li.section")}return!1},reorderSlots:function(){this.getSlots().each(function(e){var t,i;u.Moodle.mod_quiz.util.page.getPageFromSlot(e)||(t=e.next(u.Moodle.mod_quiz.util.page.SELECTORS.PAGE),e.swap(t)),t=this.getPreviousNumbered(e),i=0,e.hasClass(this.CSS.QUESTIONTYPEDESCRIPTION)||(t&&(i=this.getNumber(t)),this.setNumber(e,i+1))},this)},updateOneSlotSections:function(){u.all(".mod-quiz-edit-content ul.slots li.section").each(function(e){1<e.all(this.SELECTORS.SLOT).size()?e.removeClass("only-has-one-slot"):e.addClass("only-has-one-slot")},this)},remove:function(e){var t=u.Moodle.mod_quiz.util.page.getPageFromSlot(e);e.remove(),u.Moodle.mod_quiz.util.page.isEmpty(t)&&u.Moodle.mod_quiz.util.page.remove(t)},getPageBreaks:function(){var e=this.SELECTORS.PAGECONTENT+" "+this.SELECTORS.SECTIONUL;return e+=" "+this.SELECTORS.SLOT+this.SELECTORS.PAGEBREAK,u.all(e)},getPageBreak:function(e){return u.one(e).one(this.SELECTORS.PAGEBREAK)},addPageBreak:function(e){var t=M.mod_quiz.resource_toolbox.get("config").addpageiconhtml,t=t.replace("%%SLOT%%",this.getNumber(e)),t=u.Node.create(t);return e.one("div").insert(t,"after"),t},removePageBreak:function(e){e=this.getPageBreak(e);return!!e&&(e.remove(),!0)},reorderPageBreaks:function(){var E=this.getSlots(),a=0;E.each(function(e,t){var i,n,o,s,r;if(a++,i=this.getPageBreak(e),n=e.next("li.activity")){for(r in(i=i||this.addPageBreak(e))&&t===E.size()-1&&this.removePageBreak(e),t=i.get("childNodes").item(0),i=e="",i=u.Moodle.mod_quiz.util.page.isPage(n)?(e="removepagebreak","e/remove_page_break"):(e="addpagebreak","e/insert_page_break"),t.set("title",M.util.get_string(e,"quiz")),t.setData("action",e),(n=t.one(this.SELECTORS.ICON)).set("title",M.util.get_string(e,"quiz")),n.set("alt",M.util.get_string(e,"quiz")),n.set("src",M.util.image_url(i)),(o=u.QueryString.parse(t.get("href"))).slot=a,s="",o)s.length&&(s+="&"),s+=r+"="+o[r];t.set("href",s)}},this)},updateAllDependencyIcons:function(){var e=this.getSlots(),t=0,i=null;e.each(function(e){1==++t||"0"===i.getData("canfinish")?e.one(this.SELECTORS.DEPENDENCY_WRAPPER).addClass(this.CSS.CANNOT_DEPEND):e.one(this.SELECTORS.DEPENDENCY_WRAPPER).removeClass(this.CSS.CANNOT_DEPEND),this.updateDependencyIcon(e,null),i=e},this)},updateDependencyIcon:function(e,t){var i=e.one(this.SELECTORS.DEPENDENCY_LINK),n=e.one(this.SELECTORS.DEPENDENCY_ICON),o=this.getPrevious(e),e={thisq:this.getNumber(e)};o&&(e.previousq=this.getNumber(o)),(t=null===t?"removedependency"===i.getData("action"):t)?(i.set("title",M.util.get_string("questiondependencyremove","quiz",e)),i.setData("action","removedependency"),window.require(["core/templates"],function(e){e.renderPix("t/locked","core",M.util.get_string("questiondependsonprevious","quiz")).then(function(e){n.replace(e)})})):(i.set("title",M.util.get_string("questiondependencyadd","quiz",e)),i.setData("action","adddependency"),window.require(["core/templates"],function(e){e.renderPix("t/unlocked","core",M.util.get_string("questiondependencyfree","quiz")).then(function(e){n.replace(e)})}))}}},"@VERSION@",{requires:["node","moodle-mod_quiz-util-base"]});
\ No newline at end of file
diff --git a/mod/workshop/amd/build/modform.min.js b/mod/workshop/amd/build/modform.min.js
index bdd1559d983..7a68eb1a896 100644
--- a/mod/workshop/amd/build/modform.min.js
+++ b/mod/workshop/amd/build/modform.min.js
@@ -1,2 +1,2 @@
-define ("mod_workshop/modform",["jquery"],function(a){var e={text:{available:null,required:null,requiredHidden:null},file:{available:null,required:null,requiredHidden:null}};function b(a,b){if(!a.available.prop("checked")){a.required.prop("disabled",!0);a.required.prop("checked",!1);if(b.available.prop("checked")){b.required.prop("disabled",!0);b.required.prop("checked",!0);b.requiredHidden.val(1)}}}function c(a){a.required.prop("disabled",!1);a.required.prop("checked",!1);a.requiredHidden.val(0)}function d(){b(e.file,e.text);b(e.text,e.file);if(e.text.available.prop("checked")&&e.file.available.prop("checked")){c(e.text);c(e.file)}}return{init:function init(){e.text.available=a("#id_submissiontypetextavailable");e.text.required=a("#id_submissiontypetextrequired");e.text.requiredHidden=a("input[name=\"submissiontypetextrequired\"][type=\"hidden\"]");e.file.available=a("#id_submissiontypefileavailable");e.file.required=a("#id_submissiontypefilerequired");e.file.requiredHidden=a("input[name=\"submissiontypefilerequired\"][type=\"hidden\"]");e.text.available.on("change",d);e.file.available.on("change",d);d()}}});
+define ("mod_workshop/modform",["jquery"],function(a){var b={text:{available:null,required:null,requiredHidden:null},file:{available:null,required:null,requiredHidden:null}};function c(a,b){if(!a.available.prop("checked")){a.required.prop("disabled",!0);a.required.prop("checked",!1);if(b.available.prop("checked")){b.required.prop("disabled",!0);b.required.prop("checked",!0);b.requiredHidden.val(1)}}}function d(a){a.required.prop("disabled",!1);a.required.prop("checked",!1);a.requiredHidden.val(0)}function e(){c(b.file,b.text);c(b.text,b.file);if(b.text.available.prop("checked")&&b.file.available.prop("checked")){d(b.text);d(b.file)}}return{init:function init(){b.text.available=a("#id_submissiontypetextavailable");b.text.required=a("#id_submissiontypetextrequired");b.text.requiredHidden=a("input[name=\"submissiontypetextrequired\"][type=\"hidden\"]");b.file.available=a("#id_submissiontypefileavailable");b.file.required=a("#id_submissiontypefilerequired");b.file.requiredHidden=a("input[name=\"submissiontypefilerequired\"][type=\"hidden\"]");b.text.available.on("change",e);b.file.available.on("change",e);e()}}});
 //# sourceMappingURL=modform.min.js.map
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 6f905d58036..6e03bff08d3 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -5,30 +5,33 @@
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     "": {
       "name": "Moodle",
+      "dependencies": {
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+      },
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-        "@babel/plugin-proposal-class-properties": "7.8.3",
-        "@babel/plugin-proposal-json-strings": "7.8.3",
+        "@babel/core": "7.17.5",
+        "@babel/plugin-proposal-class-properties": "7.16.7",
+        "@babel/plugin-proposal-json-strings": "7.16.7",
         "@babel/plugin-syntax-dynamic-import": "7.8.3",
-        "@babel/plugin-syntax-import-meta": "7.8.3",
-        "@babel/preset-env": "7.9.5",
+        "@babel/plugin-syntax-import-meta": "7.10.4",
+        "@babel/preset-env": "7.16.11",
         "ajv": "8.10.0",
         "async": "3.2.3",
         "babel-eslint": "10.1.0",
         "babel-plugin-system-import-transformer": "^4.0.0",
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-        "eslint": "6.8.0",
-        "eslint-plugin-babel": "5.3.0",
-        "eslint-plugin-promise": "4.2.1",
+        "eslint": "8.9.0",
+        "eslint-plugin-babel": "5.3.1",
+        "eslint-plugin-promise": "6.0.0",
         "fb-watchman": "2.0.1",
         "gherkin-lint": "^4.2.2",
         "glob": "7.2.0",
         "grunt": "^1.4.1",
         "grunt-babel": "8.0.0",
-        "grunt-contrib-uglify": "4.0.1",
+        "grunt-contrib-uglify": "5.0.1",
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-        "grunt-eslint": "22.0.0",
+        "grunt-eslint": "24.0.0",
         "grunt-sass": "3.1.0",
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+    "node_modules/@ampproject/remapping": {
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+      "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.1.2.tgz",
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+        "@jridgewell/trace-mapping": "^0.3.0"
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+      "engines": {
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+      "dependencies": {
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-        "@babel/template": "^7.8.6",
-        "@babel/traverse": "^7.9.0",
-        "@babel/types": "^7.9.0",
+        "@ampproject/remapping": "^2.1.0",
+        "@babel/code-frame": "^7.16.7",
+        "@babel/generator": "^7.17.3",
+        "@babel/helper-compilation-targets": "^7.16.7",
+        "@babel/helper-module-transforms": "^7.16.7",
+        "@babel/helpers": "^7.17.2",
+        "@babel/parser": "^7.17.3",
+        "@babel/template": "^7.16.7",
+        "@babel/traverse": "^7.17.3",
+        "@babel/types": "^7.17.0",
         "convert-source-map": "^1.7.0",
         "debug": "^4.1.0",
-        "gensync": "^1.0.0-beta.1",
+        "gensync": "^1.0.0-beta.2",
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-        "lodash": "^4.17.13",
-        "resolve": "^1.3.2",
-        "semver": "^5.4.1",
-        "source-map": "^0.5.0"
+        "semver": "^6.3.0"
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@@ -105,854 +107,440 @@
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-      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
-      "integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==",
-      "dev": true
-    },
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       "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
@@ -20987,21 +18509,10 @@
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     },
     "uglify-js": {
-      "version": "3.9.1",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.9.1.tgz",
-      "integrity": "sha512-JUPoL1jHsc9fOjVFHdQIhqEEJsQvfKDjlubcCilu8U26uZ73qOg8VsN8O1jbuei44ZPlwL7kmbAdM4tzaUvqnA==",
-      "dev": true,
-      "requires": {
-        "commander": "~2.20.3"
-      },
-      "dependencies": {
-        "commander": {
-          "version": "2.20.3",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
-          "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
-          "dev": true
-        }
-      }
+      "version": "3.15.1",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.15.1.tgz",
+      "integrity": "sha512-FAGKF12fWdkpvNJZENacOH0e/83eG6JyVQyanIJaBXCN1J11TUQv1T1/z8S+Z0CG0ZPk1nPcreF/c7lrTd0TEQ==",
+      "dev": true
     },
     "uglify-to-browserify": {
       "version": "1.0.2",
@@ -21032,31 +18543,31 @@
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     },
     "unicode-canonical-property-names-ecmascript": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-1.0.4.tgz",
-      "integrity": "sha512-jDrNnXWHd4oHiTZnx/ZG7gtUTVp+gCcTTKr8L0HjlwphROEW3+Him+IpvC+xcJEFegapiMZyZe02CyuOnRmbnQ==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/unicode-canonical-property-names-ecmascript/-/unicode-canonical-property-names-ecmascript-2.0.0.tgz",
+      "integrity": "sha512-yY5PpDlfVIU5+y/BSCxAJRBIS1Zc2dDG3Ujq+sR0U+JjUevW2JhocOF+soROYDSaAezOzOKuyyixhD6mBknSmQ==",
       "dev": true
     },
     "unicode-match-property-ecmascript": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/unicode-match-property-ecmascript/-/unicode-match-property-ecmascript-1.0.4.tgz",
-      "integrity": "sha512-L4Qoh15vTfntsn4P1zqnHulG0LdXgjSO035fEpdtp6YxXhMT51Q6vgM5lYdG/5X3MjS+k/Y9Xw4SFCY9IkR0rg==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/unicode-match-property-ecmascript/-/unicode-match-property-ecmascript-2.0.0.tgz",
+      "integrity": "sha512-5kaZCrbp5mmbz5ulBkDkbY0SsPOjKqVS35VpL9ulMPfSl0J0Xsm+9Evphv9CoIZFwre7aJoa94AY6seMKGVN5Q==",
       "dev": true,
       "requires": {
-        "unicode-canonical-property-names-ecmascript": "^1.0.4",
-        "unicode-property-aliases-ecmascript": "^1.0.4"
+        "unicode-canonical-property-names-ecmascript": "^2.0.0",
+        "unicode-property-aliases-ecmascript": "^2.0.0"
       }
     },
     "unicode-match-property-value-ecmascript": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-1.2.0.tgz",
-      "integrity": "sha512-wjuQHGQVofmSJv1uVISKLE5zO2rNGzM/KCYZch/QQvez7C1hUhBIuZ701fYXExuufJFMPhv2SyL8CyoIfMLbIQ==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/unicode-match-property-value-ecmascript/-/unicode-match-property-value-ecmascript-2.0.0.tgz",
+      "integrity": "sha512-7Yhkc0Ye+t4PNYzOGKedDhXbYIBe1XEQYQxOPyhcXNMJ0WCABqqj6ckydd6pWRZTHV4GuCPKdBAUiMc60tsKVw==",
       "dev": true
     },
     "unicode-property-aliases-ecmascript": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-1.1.0.tgz",
-      "integrity": "sha512-PqSoPh/pWetQ2phoj5RLiaqIk4kCNwoV3CI+LfGmWLKI3rE3kl1h59XpX2BjgDrmbxD9ARtQobPGU1SguCYuQg==",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/unicode-property-aliases-ecmascript/-/unicode-property-aliases-ecmascript-2.0.0.tgz",
+      "integrity": "sha512-5Zfuy9q/DFr4tfO7ZPeVXb1aPoeQSdeFMLpYuFebehDAhbuevLs5yxSZmIFN1tP5F9Wl4IpJrYojg85/zgyZHQ==",
       "dev": true
     },
     "uniq": {
@@ -21102,7 +18613,6 @@
       "version": "4.2.2",
       "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
       "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
-      "dev": true,
       "requires": {
         "punycode": "^2.1.0"
       }
@@ -21128,8 +18638,7 @@
     "v8-compile-cache": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
-      "integrity": "sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==",
-      "dev": true
+      "integrity": "sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g=="
     },
     "v8flags": {
       "version": "3.2.0",
@@ -21240,8 +18749,7 @@
     "word-wrap": {
       "version": "1.2.3",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
-      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
-      "dev": true
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ=="
     },
     "wordwrap": {
       "version": "0.0.3",
@@ -21289,8 +18797,7 @@
     "wrappy": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
-      "dev": true
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
     },
     "write": {
       "version": "1.0.3",
diff --git a/package.json b/package.json
index 22aa2dc897e..2f35e677ae6 100644
--- a/package.json
+++ b/package.json
@@ -3,29 +3,29 @@
   "private": true,
   "description": "Moodle",
   "devDependencies": {
-    "@babel/core": "7.9.0",
-    "@babel/plugin-proposal-class-properties": "7.8.3",
-    "@babel/plugin-proposal-json-strings": "7.8.3",
+    "@babel/core": "7.17.5",
+    "@babel/plugin-proposal-class-properties": "7.16.7",
+    "@babel/plugin-proposal-json-strings": "7.16.7",
     "@babel/plugin-syntax-dynamic-import": "7.8.3",
-    "@babel/plugin-syntax-import-meta": "7.8.3",
-    "@babel/preset-env": "7.9.5",
+    "@babel/plugin-syntax-import-meta": "7.10.4",
+    "@babel/preset-env": "7.16.11",
     "ajv": "8.10.0",
     "async": "3.2.3",
     "babel-eslint": "10.1.0",
     "babel-plugin-system-import-transformer": "^4.0.0",
     "babel-plugin-transform-es2015-modules-amd-lazy": "2.0.1",
     "babel-preset-minify": "0.5.1",
-    "eslint": "6.8.0",
-    "eslint-plugin-babel": "5.3.0",
-    "eslint-plugin-promise": "4.2.1",
+    "eslint": "8.9.0",
+    "eslint-plugin-babel": "5.3.1",
+    "eslint-plugin-promise": "6.0.0",
     "fb-watchman": "2.0.1",
     "gherkin-lint": "^4.2.2",
     "glob": "7.2.0",
     "grunt": "^1.4.1",
     "grunt-babel": "8.0.0",
-    "grunt-contrib-uglify": "4.0.1",
+    "grunt-contrib-uglify": "5.0.1",
     "grunt-contrib-watch": "1.1.0",
-    "grunt-eslint": "22.0.0",
+    "grunt-eslint": "24.0.0",
     "grunt-sass": "3.1.0",
     "grunt-stylelint": "0.15.0",
     "jshint": "^2.13.4",
@@ -40,5 +40,8 @@
   },
   "engines": {
     "node": ">=16.14.0 <17"
+  },
+  "dependencies": {
+    "@babel/eslint-parser": "^7.17.0"
   }
 }
diff --git a/question/yui/build/moodle-question-chooser/moodle-question-chooser-min.js b/question/yui/build/moodle-question-chooser/moodle-question-chooser-min.js
index 77865e0a38f..869c2716281 100644
--- a/question/yui/build/moodle-question-chooser/moodle-question-chooser-min.js
+++ b/question/yui/build/moodle-question-chooser/moodle-question-chooser-min.js
@@ -1 +1 @@
-YUI.add("moodle-question-chooser",function(r,o){var u="div.createnewquestion",c="div.chooserdialoguebody",a="div.choosertitle";function e(){e.superclass.constructor.apply(this,arguments)}r.extend(e,M.core.chooserdialogue,{initializer:function(){r.all("form").each(function(o){/question\/addquestion\.php/.test(o.getAttribute("action"))&&o.on("submit",this.displayQuestionChooser,this)},this)},displayQuestionChooser:function(o){var e,i,t,n=r.one(u+" "+c),s=r.one(u+" "+a);null===this.container&&(this.setup_chooser_dialogue(n,s,{}),this.prepare_chooser()),e=o.target.ancestor("form",!0),i=this.container.one("form"),t=e.all('input[type="hidden"]'),i.all("input.customfield").remove(),t.each(function(o){i.appendChild(o.cloneNode()).removeAttribute("id").addClass("customfield")}),this.display_chooser(o)}},{NAME:"questionChooser"}),M.question=M.question||{},M.question.init_chooser=function(o){return new e(o)}},"@VERSION@",{requires:["moodle-core-chooserdialogue"]});
\ No newline at end of file
+YUI.add("moodle-question-chooser",function(n,o){var s="div.createnewquestion",r="div.chooserdialoguebody",u="div.choosertitle";function e(){e.superclass.constructor.apply(this,arguments)}n.extend(e,M.core.chooserdialogue,{initializer:function(){n.all("form").each(function(o){/question\/addquestion\.php/.test(o.getAttribute("action"))&&o.on("submit",this.displayQuestionChooser,this)},this)},displayQuestionChooser:function(o){var e,i=n.one(s+" "+r),t=n.one(s+" "+u);null===this.container&&(this.setup_chooser_dialogue(i,t,{}),this.prepare_chooser()),i=o.target.ancestor("form",!0),e=this.container.one("form"),t=i.all('input[type="hidden"]'),e.all("input.customfield").remove(),t.each(function(o){e.appendChild(o.cloneNode()).removeAttribute("id").addClass("customfield")}),this.display_chooser(o)}},{NAME:"questionChooser"}),M.question=M.question||{},M.question.init_chooser=function(o){return new e(o)}},"@VERSION@",{requires:["moodle-core-chooserdialogue"]});
\ No newline at end of file
diff --git a/question/yui/build/moodle-question-searchform/moodle-question-searchform-min.js b/question/yui/build/moodle-question-searchform/moodle-question-searchform-min.js
index 92898ae2eac..c3e16cfc0a1 100644
--- a/question/yui/build/moodle-question-searchform/moodle-question-searchform-min.js
+++ b/question/yui/build/moodle-question-searchform/moodle-question-searchform-min.js
@@ -1 +1 @@
-YUI.add("moodle-question-searchform",function(o,e){var n,t=".searchoptions";M.question=M.question||{},(n=M.question.searchform={}).init=function(){o.delegate("change",this.option_changed,o.config.doc,t,this)},n.option_changed=function(o){o.target.getDOMNode().form.submit()}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
+YUI.add("moodle-question-searchform",function(o,e){var n=".searchoptions";M.question=M.question||{},M.question.searchform={init:function(){o.delegate("change",this.option_changed,o.config.doc,n,this)},option_changed:function(o){o.target.getDOMNode().form.submit()}}},"@VERSION@",{requires:["base","node"]});
\ No newline at end of file
diff --git a/report/eventlist/yui/build/moodle-report_eventlist-eventfilter/moodle-report_eventlist-eventfilter-min.js b/report/eventlist/yui/build/moodle-report_eventlist-eventfilter/moodle-report_eventlist-eventfilter-min.js
index 292bdc17e6d..c6be2bd6665 100644
--- a/report/eventlist/yui/build/moodle-report_eventlist-eventfilter/moodle-report_eventlist-eventfilter-min.js
+++ b/report/eventlist/yui/build/moodle-report_eventlist-eventfilter/moodle-report_eventlist-eventfilter-min.js
@@ -1 +1 @@
-YUI.add("moodle-report_eventlist-eventfilter",function(g,e){function t(){t.superclass.constructor.apply(this,arguments)}var l="#id_eventname",n="#id_eventcomponent",i="#id_eventedulevel",a="#id_eventcrud",r="#id_filterbutton",s="#id_clearbutton";g.extend(t,g.Base,{_table:null,_eventName:null,_component:null,_eduLevel:null,_crud:null,initializer:function(){var e=g.one(r),t=g.one(s);this._createTable(this.get("tabledata")),this._eventName=g.one(l),this._component=g.one(n),this._eduLevel=g.one(i),this._crud=g.one(a),this._eventName.on("valuechange",this._totalFilter,this),e.on("click",this._totalFilter,this),t.on("click",this._clearFilter,this)},_createTable:function(e){var t=new g.DataTable({columns:[{key:"fulleventname",label:M.util.get_string("eventname","report_eventlist"),allowHTML:!0,sortable:!0,sortFn:function(e,t,l){var n=e.getAttrs().raweventname,i=t.getAttrs().raweventname<n?1:-1;return l?-i:i},title:M.util.get_string("eventname","report_eventlist")},{key:"component",label:M.util.get_string("component","report_eventlist"),allowHTML:!0,sortable:!0,title:M.util.get_string("component","report_eventlist")},{key:"edulevel",label:M.util.get_string("edulevel","report_eventlist"),sortable:!0,title:M.util.get_string("edulevel","report_eventlist")},{key:"crud",label:M.util.get_string("crud","report_eventlist"),sortable:!0,title:M.util.get_string("crud","report_eventlist")},{key:"objecttable",label:M.util.get_string("affectedtable","report_eventlist"),sortable:!0,title:M.util.get_string("affectedtable","report_eventlist")},{key:"since",label:M.util.get_string("since","report_eventlist"),sortable:!0,title:M.util.get_string("since","report_eventlist")},{key:"legacyevent",label:M.util.get_string("legacyevent","report_eventlist"),sortable:!0,title:M.util.get_string("legacyevent","report_eventlist")}],data:e,strings:{sortBy:"{title}",reverseSortBy:"{title}"}});return t.render("#report-eventlist-table"),t.get("boundingBox").addClass("report-eventlist-datatable-table"),this._table=t,this},_totalFilter:function(){var e,t,l,n,i,a=this._eventName.get("value").toLowerCase(),r=this._component.get("options").item(this._component.get("selectedIndex")).get("text").toLowerCase(),s=this._component.get("value"),o=this._eduLevel.get("options").item(this._eduLevel.get("selectedIndex")).get("text").toLowerCase(),u=this._eduLevel.get("value"),_=this._crud.get("options").item(this._crud.get("selectedIndex")).get("text").toLowerCase(),v=this._crud.get("value"),d=[];for(e=0;e<this.get("tabledata").length;e++)t=0<=g.Node.create(this.get("tabledata")[e].fulleventname).get("text").toLowerCase().indexOf(a),l=0<=this.get("tabledata")[e].component.toLowerCase().indexOf(r),n=0<=this.get("tabledata")[e].edulevel.toLowerCase().indexOf(o),i=0<=this.get("tabledata")[e].crud.toLowerCase().indexOf(_),""===a&&(t=!0),"0"===s&&(l=!0),"0"===u&&(n=!0),"0"===v&&(i=!0),t&&l&&n&&i&&d.push(this.get("tabledata")[e]);this._table.set("data",d)},_clearFilter:function(){this._eventName.set("value",""),this._component.set("value","0"),this._eduLevel.set("value","0"),this._crud.set("value","0"),this._table.set("data",this.get("tabledata"))}},{NAME:"eventFilter",ATTRS:{tabledata:{value:null}}}),g.namespace("M.report_eventlist.EventFilter").init=function(e){return new t(e)}},"@VERSION@",{requires:["base","event","node","node-event-delegate","datatable","autocomplete","autocomplete-filters"]});
\ No newline at end of file
+YUI.add("moodle-report_eventlist-eventfilter",function(g,e){function t(){t.superclass.constructor.apply(this,arguments)}var l="#id_eventname",n="#id_eventcomponent",i="#id_eventedulevel",a="#id_eventcrud",s="#id_filterbutton",r="#id_clearbutton";g.extend(t,g.Base,{_table:null,_eventName:null,_component:null,_eduLevel:null,_crud:null,initializer:function(){var e=g.one(s),t=g.one(r);this._createTable(this.get("tabledata")),this._eventName=g.one(l),this._component=g.one(n),this._eduLevel=g.one(i),this._crud=g.one(a),this._eventName.on("valuechange",this._totalFilter,this),e.on("click",this._totalFilter,this),t.on("click",this._clearFilter,this)},_createTable:function(e){e=new g.DataTable({columns:[{key:"fulleventname",label:M.util.get_string("eventname","report_eventlist"),allowHTML:!0,sortable:!0,sortFn:function(e,t,l){e=e.getAttrs().raweventname,t=t.getAttrs().raweventname<e?1:-1;return l?-t:t},title:M.util.get_string("eventname","report_eventlist")},{key:"component",label:M.util.get_string("component","report_eventlist"),allowHTML:!0,sortable:!0,title:M.util.get_string("component","report_eventlist")},{key:"edulevel",label:M.util.get_string("edulevel","report_eventlist"),sortable:!0,title:M.util.get_string("edulevel","report_eventlist")},{key:"crud",label:M.util.get_string("crud","report_eventlist"),sortable:!0,title:M.util.get_string("crud","report_eventlist")},{key:"objecttable",label:M.util.get_string("affectedtable","report_eventlist"),sortable:!0,title:M.util.get_string("affectedtable","report_eventlist")},{key:"since",label:M.util.get_string("since","report_eventlist"),sortable:!0,title:M.util.get_string("since","report_eventlist")},{key:"legacyevent",label:M.util.get_string("legacyevent","report_eventlist"),sortable:!0,title:M.util.get_string("legacyevent","report_eventlist")}],data:e,strings:{sortBy:"{title}",reverseSortBy:"{title}"}});return e.render("#report-eventlist-table"),e.get("boundingBox").addClass("report-eventlist-datatable-table"),this._table=e,this},_totalFilter:function(){for(var e,t,l,n,i=this._eventName.get("value").toLowerCase(),a=this._component.get("options").item(this._component.get("selectedIndex")).get("text").toLowerCase(),s=this._component.get("value"),r=this._eduLevel.get("options").item(this._eduLevel.get("selectedIndex")).get("text").toLowerCase(),_=this._eduLevel.get("value"),d=this._crud.get("options").item(this._crud.get("selectedIndex")).get("text").toLowerCase(),v=this._crud.get("value"),o=[],u=0;u<this.get("tabledata").length;u++)e=0<=g.Node.create(this.get("tabledata")[u].fulleventname).get("text").toLowerCase().indexOf(i),t=0<=this.get("tabledata")[u].component.toLowerCase().indexOf(a),l=0<=this.get("tabledata")[u].edulevel.toLowerCase().indexOf(r),n=0<=this.get("tabledata")[u].crud.toLowerCase().indexOf(d),"0"===s&&(t=!0),"0"===_&&(l=!0),"0"===v&&(n=!0),(e=""===i?!0:e)&&t&&l&&n&&o.push(this.get("tabledata")[u]);this._table.set("data",o)},_clearFilter:function(){this._eventName.set("value",""),this._component.set("value","0"),this._eduLevel.set("value","0"),this._crud.set("value","0"),this._table.set("data",this.get("tabledata"))}},{NAME:"eventFilter",ATTRS:{tabledata:{value:null}}}),g.namespace("M.report_eventlist.EventFilter").init=function(e){return new t(e)}},"@VERSION@",{requires:["base","event","node","node-event-delegate","datatable","autocomplete","autocomplete-filters"]});
\ No newline at end of file
diff --git a/report/loglive/yui/build/moodle-report_loglive-fetchlogs/moodle-report_loglive-fetchlogs-min.js b/report/loglive/yui/build/moodle-report_loglive-fetchlogs/moodle-report_loglive-fetchlogs-min.js
index f3ed40b4681..603400cefc3 100644
--- a/report/loglive/yui/build/moodle-report_loglive-fetchlogs/moodle-report_loglive-fetchlogs-min.js
+++ b/report/loglive/yui/build/moodle-report_loglive-fetchlogs/moodle-report_loglive-fetchlogs-min.js
@@ -1 +1 @@
-YUI.add("moodle-report_loglive-fetchlogs",function(l,e){function t(){t.superclass.constructor.apply(this,arguments)}var i="newrow",a={NEWROW:"."+i,TBODY:".flexible tbody",PAUSEBUTTON:"#livelogs-pause-button",SPINNER:"."+"spinner"};l.extend(t,l.Base,{callBack:{},spinner:{},pauseButton:{},initializer:function(){0===this.get("page")&&(this.callBack=l.later(1e3*this.get("interval"),this,this.fetchRecentLogs,null,!0)),this.spinner=l.one(a.SPINNER),this.pauseButton=l.one(a.PAUSEBUTTON),this.spinner.hide(),l.one(a.PAUSEBUTTON).on("click",this.toggleUpdate,this)},fetchRecentLogs:function(){var e,t,i;this.spinner.show(),e={logreader:this.get("logreader"),since:this.get("since"),page:this.get("page"),id:this.get("courseid")},t={method:"get",context:this,on:{complete:this.updateLogTable},data:e},i=M.cfg.wwwroot+"/report/loglive/loglive_ajax.php",l.io(i,t)},updateLogTable:function(e,t){var i,n,o,s;l.later(600,this,"hideLoadingIcon");try{if((i=l.JSON.parse(t.responseText)).error)return l.use("moodle-core-notification-ajaxexception",function(){return new M.core.ajaxException(i)}),this}catch(r){return l.use("moodle-core-notification-exception",function(){return new M.core.exception(r)}),this}this.set("since",i.until),n=i.logs,s=null,(o=l.one(a.TBODY))&&n&&((s=o.get("firstChild"))&&o.insertBefore(n,s),o.get("children").slice(this.get("perpage")).remove(),l.later(5e3,this,"removeHighlight",i.until))},removeHighlight:function(e){l.all(".time"+e).removeClass(i)},hideLoadingIcon:function(){this.spinner.hide()},toggleUpdate:function(){this.callBack?(this.callBack.cancel(),this.callBack="",this.pauseButton.setContent(M.util.get_string("resume","report_loglive"))):(this.callBack=l.later(1e3*this.get("interval"),this,this.fetchRecentLogs,null,!0),this.pauseButton.setContent(M.util.get_string("pause","report_loglive")))}},{NAME:"fetchLogs",ATTRS:{since:null,courseid:0,page:0,perpage:100,interval:60,logreader:"logstore_standard"}}),l.namespace("M.report_loglive.FetchLogs").init=function(e){return new t(e)}},"@VERSION@",{requires:["base","event","node","io","node-event-delegate"]});
\ No newline at end of file
+YUI.add("moodle-report_loglive-fetchlogs",function(r,e){function t(){t.superclass.constructor.apply(this,arguments)}var i="newrow",l={NEWROW:"."+i,TBODY:".flexible tbody",PAUSEBUTTON:"#livelogs-pause-button",SPINNER:"."+"spinner"};r.extend(t,r.Base,{callBack:{},spinner:{},pauseButton:{},initializer:function(){0===this.get("page")&&(this.callBack=r.later(1e3*this.get("interval"),this,this.fetchRecentLogs,null,!0)),this.spinner=r.one(l.SPINNER),this.pauseButton=r.one(l.PAUSEBUTTON),this.spinner.hide(),r.one(l.PAUSEBUTTON).on("click",this.toggleUpdate,this)},fetchRecentLogs:function(){var e,t;this.spinner.show(),e={logreader:this.get("logreader"),since:this.get("since"),page:this.get("page"),id:this.get("courseid")},e={method:"get",context:this,on:{complete:this.updateLogTable},data:e},t=M.cfg.wwwroot+"/report/loglive/loglive_ajax.php",r.io(t,e)},updateLogTable:function(e,t){var i,n,o;r.later(600,this,"hideLoadingIcon");try{if((i=r.JSON.parse(t.responseText)).error)return r.use("moodle-core-notification-ajaxexception",function(){return new M.core.ajaxException(i)}),this}catch(s){return r.use("moodle-core-notification-exception",function(){return new M.core.exception(s)}),this}this.set("since",i.until),t=i.logs,(n=r.one(l.TBODY))&&t&&((o=n.get("firstChild"))&&n.insertBefore(t,o),n.get("children").slice(this.get("perpage")).remove(),r.later(5e3,this,"removeHighlight",i.until))},removeHighlight:function(e){r.all(".time"+e).removeClass(i)},hideLoadingIcon:function(){this.spinner.hide()},toggleUpdate:function(){this.callBack?(this.callBack.cancel(),this.callBack="",this.pauseButton.setContent(M.util.get_string("resume","report_loglive"))):(this.callBack=r.later(1e3*this.get("interval"),this,this.fetchRecentLogs,null,!0),this.pauseButton.setContent(M.util.get_string("pause","report_loglive")))}},{NAME:"fetchLogs",ATTRS:{since:null,courseid:0,page:0,perpage:100,interval:60,logreader:"logstore_standard"}}),r.namespace("M.report_loglive.FetchLogs").init=function(e){return new t(e)}},"@VERSION@",{requires:["base","event","node","io","node-event-delegate"]});
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/alert.min.js b/theme/boost/amd/build/bootstrap/alert.min.js
index dcb51aafc4a..45a228ef164 100644
--- a/theme/boost/amd/build/bootstrap/alert.min.js
+++ b/theme/boost/amd/build/bootstrap/alert.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/alert",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function f(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function g(a,b,c){if(b)f(a.prototype,b);if(c)f(a,c);return a}var h="bs.alert",i=".".concat(h),j=b.default.fn.alert,k="close".concat(i),l="closed".concat(i),m="click".concat(i).concat(".data-api"),n=function(){function a(b){e(this,a);this._element=b}g(a,[{key:"close",value:function close(a){var b=this._element;if(a){b=this._getRootElement(a)}var c=this._triggerCloseEvent(b);if(c.isDefaultPrevented()){return}this._removeElement(b)}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,h);this._element=null}},{key:"_getRootElement",value:function _getRootElement(a){var d=c.default.getSelectorFromElement(a),e=!1;if(d){e=document.querySelector(d)}if(!e){e=(0,b.default)(a).closest(".".concat("alert"))[0]}return e}},{key:"_triggerCloseEvent",value:function _triggerCloseEvent(a){var c=b.default.Event(k);(0,b.default)(a).trigger(c);return c}},{key:"_removeElement",value:function _removeElement(a){var d=this;(0,b.default)(a).removeClass("show");if(!(0,b.default)(a).hasClass("fade")){this._destroyElement(a);return}var e=c.default.getTransitionDurationFromElement(a);(0,b.default)(a).one(c.default.TRANSITION_END,function(b){return d._destroyElement(a,b)}).emulateTransitionEnd(e)}},{key:"_destroyElement",value:function _destroyElement(a){(0,b.default)(a).detach().trigger(l).remove()}}],[{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this),e=d.data(h);if(!e){e=new a(this);d.data(h,e)}if("close"===c){e[c](this)}})}},{key:"_handleDismiss",value:function _handleDismiss(a){return function(b){if(b){b.preventDefault()}a.close(this)}}},{key:"VERSION",get:function get(){return"4.5.0"}}]);return a}();(0,b.default)(document).on(m,"[data-dismiss=\"alert\"]",n._handleDismiss(new n));b.default.fn.alert=n._jQueryInterface;b.default.fn.alert.Constructor=n;b.default.fn.alert.noConflict=function(){b.default.fn.alert=j;return n._jQueryInterface};a.default=n;return a.default});
+define ("theme_boost/bootstrap/alert",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function f(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function g(a,b,c){if(b)f(a.prototype,b);if(c)f(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var h="bs.alert",i=".".concat(h),j=b.default.fn.alert,k="close".concat(i),l="closed".concat(i),m="click".concat(i).concat(".data-api"),n=function(){function a(b){e(this,a);this._element=b}g(a,[{key:"close",value:function close(a){var b=this._element;if(a){b=this._getRootElement(a)}var c=this._triggerCloseEvent(b);if(c.isDefaultPrevented()){return}this._removeElement(b)}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,h);this._element=null}},{key:"_getRootElement",value:function _getRootElement(a){var d=c.default.getSelectorFromElement(a),e=!1;if(d){e=document.querySelector(d)}if(!e){e=(0,b.default)(a).closest(".".concat("alert"))[0]}return e}},{key:"_triggerCloseEvent",value:function _triggerCloseEvent(a){var c=b.default.Event(k);(0,b.default)(a).trigger(c);return c}},{key:"_removeElement",value:function _removeElement(a){var d=this;(0,b.default)(a).removeClass("show");if(!(0,b.default)(a).hasClass("fade")){this._destroyElement(a);return}var e=c.default.getTransitionDurationFromElement(a);(0,b.default)(a).one(c.default.TRANSITION_END,function(b){return d._destroyElement(a,b)}).emulateTransitionEnd(e)}},{key:"_destroyElement",value:function _destroyElement(a){(0,b.default)(a).detach().trigger(l).remove()}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this),e=d.data(h);if(!e){e=new a(this);d.data(h,e)}if("close"===c){e[c](this)}})}},{key:"_handleDismiss",value:function _handleDismiss(a){return function(b){if(b){b.preventDefault()}a.close(this)}}}]);return a}();(0,b.default)(document).on(m,"[data-dismiss=\"alert\"]",n._handleDismiss(new n));b.default.fn.alert=n._jQueryInterface;b.default.fn.alert.Constructor=n;b.default.fn.alert.noConflict=function(){b.default.fn.alert=j;return n._jQueryInterface};a.default=n;return a.default});
 //# sourceMappingURL=alert.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/alert.min.js.map b/theme/boost/amd/build/bootstrap/alert.min.js.map
index b26833c09ea..892d3214b46 100644
--- a/theme/boost/amd/build/bootstrap/alert.min.js.map
+++ b/theme/boost/amd/build/bootstrap/alert.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): alert.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'alert'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.alert'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst SELECTOR_DISMISS = '[data-dismiss=\"alert\"]'\n\nconst EVENT_CLOSE          = `close${EVENT_KEY}`\nconst EVENT_CLOSED         = `closed${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_ALERT = 'alert'\nconst CLASS_NAME_FADE  = 'fade'\nconst CLASS_NAME_SHOW  = 'show'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Alert {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  close(element) {\n    let rootElement = this._element\n    if (element) {\n      rootElement = this._getRootElement(element)\n    }\n\n    const customEvent = this._triggerCloseEvent(rootElement)\n\n    if (customEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._removeElement(rootElement)\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Private\n\n  _getRootElement(element) {\n    const selector = Util.getSelectorFromElement(element)\n    let parent     = false\n\n    if (selector) {\n      parent = document.querySelector(selector)\n    }\n\n    if (!parent) {\n      parent = $(element).closest(`.${CLASS_NAME_ALERT}`)[0]\n    }\n\n    return parent\n  }\n\n  _triggerCloseEvent(element) {\n    const closeEvent = $.Event(EVENT_CLOSE)\n\n    $(element).trigger(closeEvent)\n    return closeEvent\n  }\n\n  _removeElement(element) {\n    $(element).removeClass(CLASS_NAME_SHOW)\n\n    if (!$(element).hasClass(CLASS_NAME_FADE)) {\n      this._destroyElement(element)\n      return\n    }\n\n    const transitionDuration = Util.getTransitionDurationFromElement(element)\n\n    $(element)\n      .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))\n      .emulateTransitionEnd(transitionDuration)\n  }\n\n  _destroyElement(element) {\n    $(element)\n      .detach()\n      .trigger(EVENT_CLOSED)\n      .remove()\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $element = $(this)\n      let data       = $element.data(DATA_KEY)\n\n      if (!data) {\n        data = new Alert(this)\n        $element.data(DATA_KEY, data)\n      }\n\n      if (config === 'close') {\n        data[config](this)\n      }\n    })\n  }\n\n  static _handleDismiss(alertInstance) {\n    return function (event) {\n      if (event) {\n        event.preventDefault()\n      }\n\n      alertInstance.close(this)\n    }\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(\n  EVENT_CLICK_DATA_API,\n  SELECTOR_DISMISS,\n  Alert._handleDismiss(new Alert())\n)\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME]             = Alert._jQueryInterface\n$.fn[NAME].Constructor = Alert\n$.fn[NAME].noConflict  = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Alert._jQueryInterface\n}\n\nexport default Alert\n"],"file":"alert.min.js"}
\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): alert.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'alert'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.alert'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst SELECTOR_DISMISS = '[data-dismiss=\"alert\"]'\n\nconst EVENT_CLOSE          = `close${EVENT_KEY}`\nconst EVENT_CLOSED         = `closed${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_ALERT = 'alert'\nconst CLASS_NAME_FADE  = 'fade'\nconst CLASS_NAME_SHOW  = 'show'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Alert {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  close(element) {\n    let rootElement = this._element\n    if (element) {\n      rootElement = this._getRootElement(element)\n    }\n\n    const customEvent = this._triggerCloseEvent(rootElement)\n\n    if (customEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._removeElement(rootElement)\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Private\n\n  _getRootElement(element) {\n    const selector = Util.getSelectorFromElement(element)\n    let parent     = false\n\n    if (selector) {\n      parent = document.querySelector(selector)\n    }\n\n    if (!parent) {\n      parent = $(element).closest(`.${CLASS_NAME_ALERT}`)[0]\n    }\n\n    return parent\n  }\n\n  _triggerCloseEvent(element) {\n    const closeEvent = $.Event(EVENT_CLOSE)\n\n    $(element).trigger(closeEvent)\n    return closeEvent\n  }\n\n  _removeElement(element) {\n    $(element).removeClass(CLASS_NAME_SHOW)\n\n    if (!$(element).hasClass(CLASS_NAME_FADE)) {\n      this._destroyElement(element)\n      return\n    }\n\n    const transitionDuration = Util.getTransitionDurationFromElement(element)\n\n    $(element)\n      .one(Util.TRANSITION_END, (event) => this._destroyElement(element, event))\n      .emulateTransitionEnd(transitionDuration)\n  }\n\n  _destroyElement(element) {\n    $(element)\n      .detach()\n      .trigger(EVENT_CLOSED)\n      .remove()\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $element = $(this)\n      let data       = $element.data(DATA_KEY)\n\n      if (!data) {\n        data = new Alert(this)\n        $element.data(DATA_KEY, data)\n      }\n\n      if (config === 'close') {\n        data[config](this)\n      }\n    })\n  }\n\n  static _handleDismiss(alertInstance) {\n    return function (event) {\n      if (event) {\n        event.preventDefault()\n      }\n\n      alertInstance.close(this)\n    }\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(\n  EVENT_CLICK_DATA_API,\n  SELECTOR_DISMISS,\n  Alert._handleDismiss(new Alert())\n)\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME]             = Alert._jQueryInterface\n$.fn[NAME].Constructor = Alert\n$.fn[NAME].noConflict  = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Alert._jQueryInterface\n}\n\nexport default Alert\n"],"file":"alert.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/button.min.js b/theme/boost/amd/build/bootstrap/button.min.js
index bdc9b93678a..daf2a5d3b54 100644
--- a/theme/boost/amd/build/bootstrap/button.min.js
+++ b/theme/boost/amd/build/bootstrap/button.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/button",["exports","jquery"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function d(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function e(a,b,c){if(b)d(a.prototype,b);if(c)d(a,c);return a}var f="bs.button",g=".".concat(f),h=".data-api",i=b.default.fn.button,j="active",k="[data-toggle^=\"button\"]",l="input:not([type=\"hidden\"])",m=".btn",n="click".concat(g).concat(h),o="focus".concat(g).concat(h," ")+"blur".concat(g).concat(h),p="load".concat(g).concat(h),q=function(){function a(b){c(this,a);this._element=b}e(a,[{key:"toggle",value:function toggle(){var a=!0,c=!0,d=(0,b.default)(this._element).closest("[data-toggle=\"buttons\"]")[0];if(d){var e=this._element.querySelector(l);if(e){if("radio"===e.type){if(e.checked&&this._element.classList.contains(j)){a=!1}else{var f=d.querySelector(".active");if(f){(0,b.default)(f).removeClass(j)}}}if(a){if("checkbox"===e.type||"radio"===e.type){e.checked=!this._element.classList.contains(j)}(0,b.default)(e).trigger("change")}e.focus();c=!1}}if(!(this._element.hasAttribute("disabled")||this._element.classList.contains("disabled"))){if(c){this._element.setAttribute("aria-pressed",!this._element.classList.contains(j))}if(a){(0,b.default)(this._element).toggleClass(j)}}}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,f);this._element=null}}],[{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this).data(f);if(!d){d=new a(this);(0,b.default)(this).data(f,d)}if("toggle"===c){d[c]()}})}},{key:"VERSION",get:function get(){return"4.5.0"}}]);return a}();(0,b.default)(document).on(n,k,function(a){var c=a.target,d=c;if(!(0,b.default)(c).hasClass("btn")){c=(0,b.default)(c).closest(m)[0]}if(!c||c.hasAttribute("disabled")||c.classList.contains("disabled")){a.preventDefault()}else{var e=c.querySelector(l);if(e&&(e.hasAttribute("disabled")||e.classList.contains("disabled"))){a.preventDefault();return}if("LABEL"===d.tagName&&e&&"checkbox"===e.type){a.preventDefault()}q._jQueryInterface.call((0,b.default)(c),"toggle")}}).on(o,k,function(a){var c=(0,b.default)(a.target).closest(m)[0];(0,b.default)(c).toggleClass("focus",/^focus(in)?$/.test(a.type))});(0,b.default)(window).on(p,function(){for(var a=[].slice.call(document.querySelectorAll("[data-toggle=\"buttons\"] .btn")),b=0,c=a.length;b<c;b++){var d=a[b],e=d.querySelector(l);if(e.checked||e.hasAttribute("checked")){d.classList.add(j)}else{d.classList.remove(j)}}a=[].slice.call(document.querySelectorAll("[data-toggle=\"button\"]"));for(var f=0,g=a.length,h;f<g;f++){h=a[f];if("true"===h.getAttribute("aria-pressed")){h.classList.add(j)}else{h.classList.remove(j)}}});b.default.fn.button=q._jQueryInterface;b.default.fn.button.Constructor=q;b.default.fn.button.noConflict=function(){b.default.fn.button=i;return q._jQueryInterface};a.default=q;return a.default});
+define ("theme_boost/bootstrap/button",["exports","jquery"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function d(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function e(a,b,c){if(b)d(a.prototype,b);if(c)d(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var f="bs.button",g=".".concat(f),h=".data-api",i=b.default.fn.button,j="active",k="[data-toggle^=\"button\"]",l="input:not([type=\"hidden\"])",m=".btn",n="click".concat(g).concat(h),o="focus".concat(g).concat(h," ")+"blur".concat(g).concat(h),p="load".concat(g).concat(h),q=function(){function a(b){c(this,a);this._element=b}e(a,[{key:"toggle",value:function toggle(){var a=!0,c=!0,d=(0,b.default)(this._element).closest("[data-toggle=\"buttons\"]")[0];if(d){var e=this._element.querySelector(l);if(e){if("radio"===e.type){if(e.checked&&this._element.classList.contains(j)){a=!1}else{var f=d.querySelector(".active");if(f){(0,b.default)(f).removeClass(j)}}}if(a){if("checkbox"===e.type||"radio"===e.type){e.checked=!this._element.classList.contains(j)}(0,b.default)(e).trigger("change")}e.focus();c=!1}}if(!(this._element.hasAttribute("disabled")||this._element.classList.contains("disabled"))){if(c){this._element.setAttribute("aria-pressed",!this._element.classList.contains(j))}if(a){(0,b.default)(this._element).toggleClass(j)}}}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,f);this._element=null}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this).data(f);if(!d){d=new a(this);(0,b.default)(this).data(f,d)}if("toggle"===c){d[c]()}})}}]);return a}();(0,b.default)(document).on(n,k,function(a){var c=a.target,d=c;if(!(0,b.default)(c).hasClass("btn")){c=(0,b.default)(c).closest(m)[0]}if(!c||c.hasAttribute("disabled")||c.classList.contains("disabled")){a.preventDefault()}else{var e=c.querySelector(l);if(e&&(e.hasAttribute("disabled")||e.classList.contains("disabled"))){a.preventDefault();return}if("LABEL"===d.tagName&&e&&"checkbox"===e.type){a.preventDefault()}q._jQueryInterface.call((0,b.default)(c),"toggle")}}).on(o,k,function(a){var c=(0,b.default)(a.target).closest(m)[0];(0,b.default)(c).toggleClass("focus",/^focus(in)?$/.test(a.type))});(0,b.default)(window).on(p,function(){for(var a=[].slice.call(document.querySelectorAll("[data-toggle=\"buttons\"] .btn")),b=0,c=a.length;b<c;b++){var d=a[b],e=d.querySelector(l);if(e.checked||e.hasAttribute("checked")){d.classList.add(j)}else{d.classList.remove(j)}}a=[].slice.call(document.querySelectorAll("[data-toggle=\"button\"]"));for(var f=0,g=a.length,h;f<g;f++){h=a[f];if("true"===h.getAttribute("aria-pressed")){h.classList.add(j)}else{h.classList.remove(j)}}});b.default.fn.button=q._jQueryInterface;b.default.fn.button.Constructor=q;b.default.fn.button.noConflict=function(){b.default.fn.button=i;return q._jQueryInterface};a.default=q;return a.default});
 //# sourceMappingURL=button.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/button.min.js.map b/theme/boost/amd/build/bootstrap/button.min.js.map
index dc25c52e391..e2cc205de04 100644
--- a/theme/boost/amd/build/bootstrap/button.min.js.map
+++ b/theme/boost/amd/build/bootstrap/button.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'button'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.button'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst CLASS_NAME_ACTIVE = 'active'\nconst CLASS_NAME_BUTTON = 'btn'\nconst CLASS_NAME_FOCUS  = 'focus'\n\nconst SELECTOR_DATA_TOGGLE_CARROT   = '[data-toggle^=\"button\"]'\nconst SELECTOR_DATA_TOGGLES         = '[data-toggle=\"buttons\"]'\nconst SELECTOR_DATA_TOGGLE          = '[data-toggle=\"button\"]'\nconst SELECTOR_DATA_TOGGLES_BUTTONS = '[data-toggle=\"buttons\"] .btn'\nconst SELECTOR_INPUT                = 'input:not([type=\"hidden\"])'\nconst SELECTOR_ACTIVE               = '.active'\nconst SELECTOR_BUTTON               = '.btn'\n\nconst EVENT_CLICK_DATA_API      = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_FOCUS_BLUR_DATA_API = `focus${EVENT_KEY}${DATA_API_KEY} ` +\n                          `blur${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_LOAD_DATA_API       = `load${EVENT_KEY}${DATA_API_KEY}`\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Button {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  toggle() {\n    let triggerChangeEvent = true\n    let addAriaPressed = true\n    const rootElement = $(this._element).closest(\n      SELECTOR_DATA_TOGGLES\n    )[0]\n\n    if (rootElement) {\n      const input = this._element.querySelector(SELECTOR_INPUT)\n\n      if (input) {\n        if (input.type === 'radio') {\n          if (input.checked &&\n            this._element.classList.contains(CLASS_NAME_ACTIVE)) {\n            triggerChangeEvent = false\n          } else {\n            const activeElement = rootElement.querySelector(SELECTOR_ACTIVE)\n\n            if (activeElement) {\n              $(activeElement).removeClass(CLASS_NAME_ACTIVE)\n            }\n          }\n        }\n\n        if (triggerChangeEvent) {\n          // if it's not a radio button or checkbox don't add a pointless/invalid checked property to the input\n          if (input.type === 'checkbox' || input.type === 'radio') {\n            input.checked = !this._element.classList.contains(CLASS_NAME_ACTIVE)\n          }\n          $(input).trigger('change')\n        }\n\n        input.focus()\n        addAriaPressed = false\n      }\n    }\n\n    if (!(this._element.hasAttribute('disabled') || this._element.classList.contains('disabled'))) {\n      if (addAriaPressed) {\n        this._element.setAttribute('aria-pressed',\n          !this._element.classList.contains(CLASS_NAME_ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(CLASS_NAME_ACTIVE)\n      }\n    }\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n\n      if (!data) {\n        data = new Button(this)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (config === 'toggle') {\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, (event) => {\n    let button = event.target\n    const initialButton = button\n\n    if (!$(button).hasClass(CLASS_NAME_BUTTON)) {\n      button = $(button).closest(SELECTOR_BUTTON)[0]\n    }\n\n    if (!button || button.hasAttribute('disabled') || button.classList.contains('disabled')) {\n      event.preventDefault() // work around Firefox bug #1540995\n    } else {\n      const inputBtn = button.querySelector(SELECTOR_INPUT)\n\n      if (inputBtn && (inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {\n        event.preventDefault() // work around Firefox bug #1540995\n        return\n      }\n\n      if (initialButton.tagName === 'LABEL' && inputBtn && inputBtn.type === 'checkbox') {\n        event.preventDefault() // work around event sent to label and input\n      }\n      Button._jQueryInterface.call($(button), 'toggle')\n    }\n  })\n  .on(EVENT_FOCUS_BLUR_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, (event) => {\n    const button = $(event.target).closest(SELECTOR_BUTTON)[0]\n    $(button).toggleClass(CLASS_NAME_FOCUS, /^focus(in)?$/.test(event.type))\n  })\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  // ensure correct active class is set to match the controls' actual values/states\n\n  // find all checkboxes/readio buttons inside data-toggle groups\n  let buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLES_BUTTONS))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n    const input = button.querySelector(SELECTOR_INPUT)\n    if (input.checked || input.hasAttribute('checked')) {\n      button.classList.add(CLASS_NAME_ACTIVE)\n    } else {\n      button.classList.remove(CLASS_NAME_ACTIVE)\n    }\n  }\n\n  // find all button toggles\n  buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n    if (button.getAttribute('aria-pressed') === 'true') {\n      button.classList.add(CLASS_NAME_ACTIVE)\n    } else {\n      button.classList.remove(CLASS_NAME_ACTIVE)\n    }\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Button._jQueryInterface\n$.fn[NAME].Constructor = Button\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Button._jQueryInterface\n}\n\nexport default Button\n"],"file":"button.min.js"}
\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'button'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.button'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst CLASS_NAME_ACTIVE = 'active'\nconst CLASS_NAME_BUTTON = 'btn'\nconst CLASS_NAME_FOCUS  = 'focus'\n\nconst SELECTOR_DATA_TOGGLE_CARROT   = '[data-toggle^=\"button\"]'\nconst SELECTOR_DATA_TOGGLES         = '[data-toggle=\"buttons\"]'\nconst SELECTOR_DATA_TOGGLE          = '[data-toggle=\"button\"]'\nconst SELECTOR_DATA_TOGGLES_BUTTONS = '[data-toggle=\"buttons\"] .btn'\nconst SELECTOR_INPUT                = 'input:not([type=\"hidden\"])'\nconst SELECTOR_ACTIVE               = '.active'\nconst SELECTOR_BUTTON               = '.btn'\n\nconst EVENT_CLICK_DATA_API      = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_FOCUS_BLUR_DATA_API = `focus${EVENT_KEY}${DATA_API_KEY} ` +\n                          `blur${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_LOAD_DATA_API       = `load${EVENT_KEY}${DATA_API_KEY}`\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Button {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  toggle() {\n    let triggerChangeEvent = true\n    let addAriaPressed = true\n    const rootElement = $(this._element).closest(\n      SELECTOR_DATA_TOGGLES\n    )[0]\n\n    if (rootElement) {\n      const input = this._element.querySelector(SELECTOR_INPUT)\n\n      if (input) {\n        if (input.type === 'radio') {\n          if (input.checked &&\n            this._element.classList.contains(CLASS_NAME_ACTIVE)) {\n            triggerChangeEvent = false\n          } else {\n            const activeElement = rootElement.querySelector(SELECTOR_ACTIVE)\n\n            if (activeElement) {\n              $(activeElement).removeClass(CLASS_NAME_ACTIVE)\n            }\n          }\n        }\n\n        if (triggerChangeEvent) {\n          // if it's not a radio button or checkbox don't add a pointless/invalid checked property to the input\n          if (input.type === 'checkbox' || input.type === 'radio') {\n            input.checked = !this._element.classList.contains(CLASS_NAME_ACTIVE)\n          }\n          $(input).trigger('change')\n        }\n\n        input.focus()\n        addAriaPressed = false\n      }\n    }\n\n    if (!(this._element.hasAttribute('disabled') || this._element.classList.contains('disabled'))) {\n      if (addAriaPressed) {\n        this._element.setAttribute('aria-pressed',\n          !this._element.classList.contains(CLASS_NAME_ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(CLASS_NAME_ACTIVE)\n      }\n    }\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n\n      if (!data) {\n        data = new Button(this)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (config === 'toggle') {\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, (event) => {\n    let button = event.target\n    const initialButton = button\n\n    if (!$(button).hasClass(CLASS_NAME_BUTTON)) {\n      button = $(button).closest(SELECTOR_BUTTON)[0]\n    }\n\n    if (!button || button.hasAttribute('disabled') || button.classList.contains('disabled')) {\n      event.preventDefault() // work around Firefox bug #1540995\n    } else {\n      const inputBtn = button.querySelector(SELECTOR_INPUT)\n\n      if (inputBtn && (inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {\n        event.preventDefault() // work around Firefox bug #1540995\n        return\n      }\n\n      if (initialButton.tagName === 'LABEL' && inputBtn && inputBtn.type === 'checkbox') {\n        event.preventDefault() // work around event sent to label and input\n      }\n      Button._jQueryInterface.call($(button), 'toggle')\n    }\n  })\n  .on(EVENT_FOCUS_BLUR_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, (event) => {\n    const button = $(event.target).closest(SELECTOR_BUTTON)[0]\n    $(button).toggleClass(CLASS_NAME_FOCUS, /^focus(in)?$/.test(event.type))\n  })\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  // ensure correct active class is set to match the controls' actual values/states\n\n  // find all checkboxes/readio buttons inside data-toggle groups\n  let buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLES_BUTTONS))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n    const input = button.querySelector(SELECTOR_INPUT)\n    if (input.checked || input.hasAttribute('checked')) {\n      button.classList.add(CLASS_NAME_ACTIVE)\n    } else {\n      button.classList.remove(CLASS_NAME_ACTIVE)\n    }\n  }\n\n  // find all button toggles\n  buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n    if (button.getAttribute('aria-pressed') === 'true') {\n      button.classList.add(CLASS_NAME_ACTIVE)\n    } else {\n      button.classList.remove(CLASS_NAME_ACTIVE)\n    }\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Button._jQueryInterface\n$.fn[NAME].Constructor = Button\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Button._jQueryInterface\n}\n\nexport default Button\n"],"file":"button.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/carousel.min.js b/theme/boost/amd/build/bootstrap/carousel.min.js
index 477f01b0932..7d5ca57987c 100644
--- a/theme/boost/amd/build/bootstrap/carousel.min.js
+++ b/theme/boost/amd/build/bootstrap/carousel.min.js
@@ -1,2 +1,2 @@
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a(b,c){i(this,a);this._items=null;this._interval=null;this._activeElement=null;this._isPaused=!1;this._isSliding=!1;this.touchTimeout=null;this.touchStartX=0;this.touchDeltaX=0;this._config=this._getConfig(c);this._element=b;this._indicatorsElement=this._element.querySelector(".carousel-indicators");this._touchSupported="ontouchstart"in document.documentElement||0<navigator.maxTouchPoints;this._pointerEvent=!!(window.PointerEvent||window.MSPointerEvent);this._addEventListeners()}k(a,[{key:"next",value:function next(){if(!this._isSliding){this._slide(r)}}},{key:"nextWhenVisible",value:function nextWhenVisible(){if(!document.hidden&&(0,b.default)(this._element).is(":visible")&&"hidden"!==(0,b.default)(this._element).css("visibility")){this.next()}}},{key:"prev",value:function prev(){if(!this._isSliding){this._slide(s)}}},{key:"pause",value:function pause(a){if(!a){this._isPaused=!0}if(this._element.querySelector(".carousel-item-next, 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dispose(){(0,b.default)(this._element).off(m);b.default.removeData(this._element,l);this._items=null;this._config=null;this._element=null;this._interval=null;this._isPaused=null;this._isSliding=null;this._activeElement=null;this._indicatorsElement=null}},{key:"_getConfig",value:function _getConfig(a){a=g({},p,{},a);c.default.typeCheckConfig("carousel",a,q);return a}},{key:"_handleSwipe",value:function _handleSwipe(){var a=Math.abs(this.touchDeltaX);if(a<=40){return}var b=a/this.touchDeltaX;this.touchDeltaX=0;if(0<b){this.prev()}if(0>b){this.next()}}},{key:"_addEventListeners",value:function _addEventListeners(){var a=this;if(this._config.keyboard){(0,b.default)(this._element).on(v,function(b){return a._keydown(b)})}if("hover"===this._config.pause){(0,b.default)(this._element).on(w,function(b){return a.pause(b)}).on(x,function(b){return a.cycle(b)})}if(this._config.touch){this._addTouchEventListeners()}}},{key:"_addTouchEventListeners",value:function _addTouchEventListeners(){var a=this;if(!this._touchSupported){return}var c=function(b){if(a._pointerEvent&&I[b.originalEvent.pointerType.toUpperCase()]){a.touchStartX=b.originalEvent.clientX}else if(!a._pointerEvent){a.touchStartX=b.originalEvent.touches[0].clientX}},d=function(b){if(b.originalEvent.touches&&1<b.originalEvent.touches.length){a.touchDeltaX=0}else{a.touchDeltaX=b.originalEvent.touches[0].clientX-a.touchStartX}},e=function(b){if(a._pointerEvent&&I[b.originalEvent.pointerType.toUpperCase()]){a.touchDeltaX=b.originalEvent.clientX-a.touchStartX}a._handleSwipe();if("hover"===a._config.pause){a.pause();if(a.touchTimeout){clearTimeout(a.touchTimeout)}a.touchTimeout=setTimeout(function(b){return a.cycle(b)},500+a._config.interval)}};(0,b.default)(this._element.querySelectorAll(".carousel-item img")).on(D,function(a){return a.preventDefault()});if(this._pointerEvent){(0,b.default)(this._element).on(B,function(a){return c(a)});(0,b.default)(this._element).on(C,function(a){return e(a)});this._element.classList.add("pointer-event")}else{(0,b.default)(this._element).on(y,function(a){return c(a)});(0,b.default)(this._element).on(z,function(a){return d(a)});(0,b.default)(this._element).on(A,function(a){return e(a)})}}},{key:"_keydown",value:function _keydown(a){if(/input|textarea/i.test(a.target.tagName)){return}switch(a.which){case 37:a.preventDefault();this.prev();break;case 39:a.preventDefault();this.next();break;default:}}},{key:"_getItemIndex",value:function _getItemIndex(a){this._items=a&&a.parentNode?[].slice.call(a.parentNode.querySelectorAll(".carousel-item")):[];return this._items.indexOf(a)}},{key:"_getItemByDirection",value:function _getItemByDirection(a,b){var c=this._getItemIndex(b),d=this._items.length-1;if((a===s&&0===c||a===r&&c===d)&&!this._config.wrap){return b}var e=a===s?-1:1,f=(c+e)%this._items.length;return-1===f?this._items[this._items.length-1]:this._items[f]}},{key:"_triggerSlideEvent",value:function _triggerSlideEvent(a,c){var d=this._getItemIndex(a),e=this._getItemIndex(this._element.querySelector(H)),f=b.default.Event(t,{relatedTarget:a,direction:c,from:e,to:d});(0,b.default)(this._element).trigger(f);return f}},{key:"_setActiveIndicatorElement",value:function _setActiveIndicatorElement(a){if(this._indicatorsElement){var c=[].slice.call(this._indicatorsElement.querySelectorAll(".active"));(0,b.default)(c).removeClass(G);var d=this._indicatorsElement.children[this._getItemIndex(a)];if(d){(0,b.default)(d).addClass(G)}}}},{key:"_slide",value:function _slide(a,d){var e=this,f=this._element.querySelector(H),g=this._getItemIndex(f),h=d||f&&this._getItemByDirection(a,f),i=this._getItemIndex(h),j=!!this._interval,k,l,m;if(a===r){k="carousel-item-left";l="carousel-item-next";m="left"}else{k="carousel-item-right";l="carousel-item-prev";m="right"}if(h&&(0,b.default)(h).hasClass(G)){this._isSliding=!1;return}var n=this._triggerSlideEvent(h,m);if(n.isDefaultPrevented()){return}if(!f||!h){return}this._isSliding=!0;if(j){this.pause()}this._setActiveIndicatorElement(h);var o=b.default.Event(u,{relatedTarget:h,direction:m,from:g,to:i});if((0,b.default)(this._element).hasClass("slide")){(0,b.default)(h).addClass(l);c.default.reflow(h);(0,b.default)(f).addClass(k);(0,b.default)(h).addClass(k);var p=parseInt(h.getAttribute("data-interval"),10);if(p){this._config.defaultInterval=this._config.defaultInterval||this._config.interval;this._config.interval=p}else{this._config.interval=this._config.defaultInterval||this._config.interval}var q=c.default.getTransitionDurationFromElement(f);(0,b.default)(f).one(c.default.TRANSITION_END,function(){(0,b.default)(h).removeClass("".concat(k," ").concat(l)).addClass(G);(0,b.default)(f).removeClass("".concat(G," ").concat(l," ").concat(k));e._isSliding=!1;setTimeout(function(){return(0,b.default)(e._element).trigger(o)},0)}).emulateTransitionEnd(q)}else{(0,b.default)(f).removeClass(G);(0,b.default)(h).addClass(G);this._isSliding=!1;(0,b.default)(this._element).trigger(o)}if(j){this.cycle()}}}],[{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this).data(l),f=g({},p,{},(0,b.default)(this).data());if("object"===e(c)){f=g({},f,{},c)}var h="string"==typeof c?c:f.slide;if(!d){d=new a(this,f);(0,b.default)(this).data(l,d)}if("number"==typeof c){d.to(c)}else if("string"==typeof h){if("undefined"==typeof d[h]){throw new TypeError("No method named \"".concat(h,"\""))}d[h]()}else if(f.interval&&f.ride){d.pause();d.cycle()}})}},{key:"_dataApiClickHandler",value:function _dataApiClickHandler(d){var e=c.default.getSelectorFromElement(this);if(!e){return}var f=(0,b.default)(e)[0];if(!f||!(0,b.default)(f).hasClass("carousel")){return}var h=g({},(0,b.default)(f).data(),{},(0,b.default)(this).data()),i=this.getAttribute("data-slide-to");if(i){h.interval=!1}a._jQueryInterface.call((0,b.default)(f),h);if(i){(0,b.default)(f).data(l).to(i)}d.preventDefault()}},{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return p}}]);return a}();(0,b.default)(document).on(F,"[data-slide], [data-slide-to]",J._dataApiClickHandler);(0,b.default)(window).on(E,function(){for(var a=[].slice.call(document.querySelectorAll("[data-ride=\"carousel\"]")),c=0,d=a.length,e;c<d;c++){e=(0,b.default)(a[c]);J._jQueryInterface.call(e,e.data())}});b.default.fn.carousel=J._jQueryInterface;b.default.fn.carousel.Constructor=J;b.default.fn.carousel.noConflict=function(){b.default.fn.carousel=o;return J._jQueryInterface};a.default=J;return a.default});
+define ("theme_boost/bootstrap/carousel",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";return e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e(a)}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?f(Object(c),!0).forEach(function(b){h(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function i(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function j(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function k(a,b,c){if(b)j(a.prototype,b);if(c)j(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var l="bs.carousel",m=".".concat(l),n=".data-api",o=b.default.fn.carousel,p={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0,touch:!0},q={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean",touch:"boolean"},r="next",s="prev",t="slide".concat(m),u="slid".concat(m),v="keydown".concat(m),w="mouseenter".concat(m),x="mouseleave".concat(m),y="touchstart".concat(m),z="touchmove".concat(m),A="touchend".concat(m),B="pointerdown".concat(m),C="pointerup".concat(m),D="dragstart".concat(m),E="load".concat(m).concat(n),F="click".concat(m).concat(n),G="active",H=".active.carousel-item",I={TOUCH:"touch",PEN:"pen"},J=function(){function a(b,c){i(this,a);this._items=null;this._interval=null;this._activeElement=null;this._isPaused=!1;this._isSliding=!1;this.touchTimeout=null;this.touchStartX=0;this.touchDeltaX=0;this._config=this._getConfig(c);this._element=b;this._indicatorsElement=this._element.querySelector(".carousel-indicators");this._touchSupported="ontouchstart"in document.documentElement||0<navigator.maxTouchPoints;this._pointerEvent=!!(window.PointerEvent||window.MSPointerEvent);this._addEventListeners()}k(a,[{key:"next",value:function next(){if(!this._isSliding){this._slide(r)}}},{key:"nextWhenVisible",value:function nextWhenVisible(){if(!document.hidden&&(0,b.default)(this._element).is(":visible")&&"hidden"!==(0,b.default)(this._element).css("visibility")){this.next()}}},{key:"prev",value:function prev(){if(!this._isSliding){this._slide(s)}}},{key:"pause",value:function pause(a){if(!a){this._isPaused=!0}if(this._element.querySelector(".carousel-item-next, .carousel-item-prev")){c.default.triggerTransitionEnd(this._element);this.cycle(!0)}clearInterval(this._interval);this._interval=null}},{key:"cycle",value:function cycle(a){if(!a){this._isPaused=!1}if(this._interval){clearInterval(this._interval);this._interval=null}if(this._config.interval&&!this._isPaused){this._interval=setInterval((document.visibilityState?this.nextWhenVisible:this.next).bind(this),this._config.interval)}}},{key:"to",value:function to(a){var c=this;this._activeElement=this._element.querySelector(H);var d=this._getItemIndex(this._activeElement);if(a>this._items.length-1||0>a){return}if(this._isSliding){(0,b.default)(this._element).one(u,function(){return c.to(a)});return}if(d===a){this.pause();this.cycle();return}var e=a>d?r:s;this._slide(e,this._items[a])}},{key:"dispose",value:function dispose(){(0,b.default)(this._element).off(m);b.default.removeData(this._element,l);this._items=null;this._config=null;this._element=null;this._interval=null;this._isPaused=null;this._isSliding=null;this._activeElement=null;this._indicatorsElement=null}},{key:"_getConfig",value:function _getConfig(a){a=g(g({},p),a);c.default.typeCheckConfig("carousel",a,q);return a}},{key:"_handleSwipe",value:function _handleSwipe(){var a=Math.abs(this.touchDeltaX);if(a<=40){return}var b=a/this.touchDeltaX;this.touchDeltaX=0;if(0<b){this.prev()}if(0>b){this.next()}}},{key:"_addEventListeners",value:function _addEventListeners(){var a=this;if(this._config.keyboard){(0,b.default)(this._element).on(v,function(b){return a._keydown(b)})}if("hover"===this._config.pause){(0,b.default)(this._element).on(w,function(b){return a.pause(b)}).on(x,function(b){return a.cycle(b)})}if(this._config.touch){this._addTouchEventListeners()}}},{key:"_addTouchEventListeners",value:function _addTouchEventListeners(){var a=this;if(!this._touchSupported){return}var c=function(b){if(a._pointerEvent&&I[b.originalEvent.pointerType.toUpperCase()]){a.touchStartX=b.originalEvent.clientX}else if(!a._pointerEvent){a.touchStartX=b.originalEvent.touches[0].clientX}},d=function(b){if(b.originalEvent.touches&&1<b.originalEvent.touches.length){a.touchDeltaX=0}else{a.touchDeltaX=b.originalEvent.touches[0].clientX-a.touchStartX}},e=function(b){if(a._pointerEvent&&I[b.originalEvent.pointerType.toUpperCase()]){a.touchDeltaX=b.originalEvent.clientX-a.touchStartX}a._handleSwipe();if("hover"===a._config.pause){a.pause();if(a.touchTimeout){clearTimeout(a.touchTimeout)}a.touchTimeout=setTimeout(function(b){return a.cycle(b)},500+a._config.interval)}};(0,b.default)(this._element.querySelectorAll(".carousel-item img")).on(D,function(a){return a.preventDefault()});if(this._pointerEvent){(0,b.default)(this._element).on(B,function(a){return c(a)});(0,b.default)(this._element).on(C,function(a){return e(a)});this._element.classList.add("pointer-event")}else{(0,b.default)(this._element).on(y,function(a){return c(a)});(0,b.default)(this._element).on(z,function(a){return d(a)});(0,b.default)(this._element).on(A,function(a){return e(a)})}}},{key:"_keydown",value:function _keydown(a){if(/input|textarea/i.test(a.target.tagName)){return}switch(a.which){case 37:a.preventDefault();this.prev();break;case 39:a.preventDefault();this.next();break;default:}}},{key:"_getItemIndex",value:function _getItemIndex(a){this._items=a&&a.parentNode?[].slice.call(a.parentNode.querySelectorAll(".carousel-item")):[];return this._items.indexOf(a)}},{key:"_getItemByDirection",value:function _getItemByDirection(a,b){var c=this._getItemIndex(b),d=this._items.length-1;if((a===s&&0===c||a===r&&c===d)&&!this._config.wrap){return b}var e=a===s?-1:1,f=(c+e)%this._items.length;return-1===f?this._items[this._items.length-1]:this._items[f]}},{key:"_triggerSlideEvent",value:function _triggerSlideEvent(a,c){var d=this._getItemIndex(a),e=this._getItemIndex(this._element.querySelector(H)),f=b.default.Event(t,{relatedTarget:a,direction:c,from:e,to:d});(0,b.default)(this._element).trigger(f);return f}},{key:"_setActiveIndicatorElement",value:function _setActiveIndicatorElement(a){if(this._indicatorsElement){var c=[].slice.call(this._indicatorsElement.querySelectorAll(".active"));(0,b.default)(c).removeClass(G);var d=this._indicatorsElement.children[this._getItemIndex(a)];if(d){(0,b.default)(d).addClass(G)}}}},{key:"_slide",value:function _slide(a,d){var e=this,f=this._element.querySelector(H),g=this._getItemIndex(f),h=d||f&&this._getItemByDirection(a,f),i=this._getItemIndex(h),j=!!this._interval,k,l,m;if(a===r){k="carousel-item-left";l="carousel-item-next";m="left"}else{k="carousel-item-right";l="carousel-item-prev";m="right"}if(h&&(0,b.default)(h).hasClass(G)){this._isSliding=!1;return}var n=this._triggerSlideEvent(h,m);if(n.isDefaultPrevented()){return}if(!f||!h){return}this._isSliding=!0;if(j){this.pause()}this._setActiveIndicatorElement(h);var o=b.default.Event(u,{relatedTarget:h,direction:m,from:g,to:i});if((0,b.default)(this._element).hasClass("slide")){(0,b.default)(h).addClass(l);c.default.reflow(h);(0,b.default)(f).addClass(k);(0,b.default)(h).addClass(k);var p=parseInt(h.getAttribute("data-interval"),10);if(p){this._config.defaultInterval=this._config.defaultInterval||this._config.interval;this._config.interval=p}else{this._config.interval=this._config.defaultInterval||this._config.interval}var q=c.default.getTransitionDurationFromElement(f);(0,b.default)(f).one(c.default.TRANSITION_END,function(){(0,b.default)(h).removeClass("".concat(k," ").concat(l)).addClass(G);(0,b.default)(f).removeClass("".concat(G," ").concat(l," ").concat(k));e._isSliding=!1;setTimeout(function(){return(0,b.default)(e._element).trigger(o)},0)}).emulateTransitionEnd(q)}else{(0,b.default)(f).removeClass(G);(0,b.default)(h).addClass(G);this._isSliding=!1;(0,b.default)(this._element).trigger(o)}if(j){this.cycle()}}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return p}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this).data(l),f=g(g({},p),(0,b.default)(this).data());if("object"===e(c)){f=g(g({},f),c)}var h="string"==typeof c?c:f.slide;if(!d){d=new a(this,f);(0,b.default)(this).data(l,d)}if("number"==typeof c){d.to(c)}else if("string"==typeof h){if("undefined"==typeof d[h]){throw new TypeError("No method named \"".concat(h,"\""))}d[h]()}else if(f.interval&&f.ride){d.pause();d.cycle()}})}},{key:"_dataApiClickHandler",value:function _dataApiClickHandler(d){var e=c.default.getSelectorFromElement(this);if(!e){return}var f=(0,b.default)(e)[0];if(!f||!(0,b.default)(f).hasClass("carousel")){return}var h=g(g({},(0,b.default)(f).data()),(0,b.default)(this).data()),i=this.getAttribute("data-slide-to");if(i){h.interval=!1}a._jQueryInterface.call((0,b.default)(f),h);if(i){(0,b.default)(f).data(l).to(i)}d.preventDefault()}}]);return a}();(0,b.default)(document).on(F,"[data-slide], [data-slide-to]",J._dataApiClickHandler);(0,b.default)(window).on(E,function(){for(var a=[].slice.call(document.querySelectorAll("[data-ride=\"carousel\"]")),c=0,d=a.length,e;c<d;c++){e=(0,b.default)(a[c]);J._jQueryInterface.call(e,e.data())}});b.default.fn.carousel=J._jQueryInterface;b.default.fn.carousel.Constructor=J;b.default.fn.carousel.noConflict=function(){b.default.fn.carousel=o;return J._jQueryInterface};a.default=J;return a.default});
 //# sourceMappingURL=carousel.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/carousel.min.js.map b/theme/boost/amd/build/bootstrap/carousel.min.js.map
index 6093ef431e2..ec1fad48eb7 100644
--- a/theme/boost/amd/build/bootstrap/carousel.min.js.map
+++ b/theme/boost/amd/build/bootstrap/carousel.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                   = 'carousel'\nconst VERSION                = '4.5.0'\nconst DATA_KEY               = 'bs.carousel'\nconst EVENT_KEY              = `.${DATA_KEY}`\nconst DATA_API_KEY           = '.data-api'\nconst JQUERY_NO_CONFLICT     = $.fn[NAME]\nconst ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key\nconst ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key\nconst TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch\nconst SWIPE_THRESHOLD        = 40\n\nconst Default = {\n  interval : 5000,\n  keyboard : true,\n  slide    : false,\n  pause    : 'hover',\n  wrap     : true,\n  touch    : true\n}\n\nconst DefaultType = {\n  interval : '(number|boolean)',\n  keyboard : 'boolean',\n  slide    : '(boolean|string)',\n  pause    : '(string|boolean)',\n  wrap     : 'boolean',\n  touch    : 'boolean'\n}\n\nconst DIRECTION_NEXT     = 'next'\nconst DIRECTION_PREV     = 'prev'\nconst DIRECTION_LEFT     = 'left'\nconst DIRECTION_RIGHT    = 'right'\n\nconst EVENT_SLIDE          = `slide${EVENT_KEY}`\nconst EVENT_SLID           = `slid${EVENT_KEY}`\nconst EVENT_KEYDOWN        = `keydown${EVENT_KEY}`\nconst EVENT_MOUSEENTER     = `mouseenter${EVENT_KEY}`\nconst EVENT_MOUSELEAVE     = `mouseleave${EVENT_KEY}`\nconst EVENT_TOUCHSTART     = `touchstart${EVENT_KEY}`\nconst EVENT_TOUCHMOVE      = `touchmove${EVENT_KEY}`\nconst EVENT_TOUCHEND       = `touchend${EVENT_KEY}`\nconst EVENT_POINTERDOWN    = `pointerdown${EVENT_KEY}`\nconst EVENT_POINTERUP      = `pointerup${EVENT_KEY}`\nconst EVENT_DRAG_START     = `dragstart${EVENT_KEY}`\nconst EVENT_LOAD_DATA_API  = `load${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_CAROUSEL      = 'carousel'\nconst CLASS_NAME_ACTIVE        = 'active'\nconst CLASS_NAME_SLIDE         = 'slide'\nconst CLASS_NAME_RIGHT         = 'carousel-item-right'\nconst CLASS_NAME_LEFT          = 'carousel-item-left'\nconst CLASS_NAME_NEXT          = 'carousel-item-next'\nconst CLASS_NAME_PREV          = 'carousel-item-prev'\nconst CLASS_NAME_POINTER_EVENT = 'pointer-event'\n\nconst SELECTOR_ACTIVE      = '.active'\nconst SELECTOR_ACTIVE_ITEM = '.active.carousel-item'\nconst SELECTOR_ITEM        = '.carousel-item'\nconst SELECTOR_ITEM_IMG    = '.carousel-item img'\nconst SELECTOR_NEXT_PREV   = '.carousel-item-next, .carousel-item-prev'\nconst SELECTOR_INDICATORS  = '.carousel-indicators'\nconst SELECTOR_DATA_SLIDE  = '[data-slide], [data-slide-to]'\nconst SELECTOR_DATA_RIDE   = '[data-ride=\"carousel\"]'\n\nconst PointerType = {\n  TOUCH : 'touch',\n  PEN   : 'pen'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\nclass Carousel {\n  constructor(element, config) {\n    this._items         = null\n    this._interval      = null\n    this._activeElement = null\n    this._isPaused      = false\n    this._isSliding     = false\n    this.touchTimeout   = null\n    this.touchStartX    = 0\n    this.touchDeltaX    = 0\n\n    this._config            = this._getConfig(config)\n    this._element           = element\n    this._indicatorsElement = this._element.querySelector(SELECTOR_INDICATORS)\n    this._touchSupported    = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0\n    this._pointerEvent      = Boolean(window.PointerEvent || window.MSPointerEvent)\n\n    this._addEventListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  next() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_NEXT)\n    }\n  }\n\n  nextWhenVisible() {\n    // Don't call next when the page isn't visible\n    // or the carousel or its parent isn't visible\n    if (!document.hidden &&\n      ($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {\n      this.next()\n    }\n  }\n\n  prev() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_PREV)\n    }\n  }\n\n  pause(event) {\n    if (!event) {\n      this._isPaused = true\n    }\n\n    if (this._element.querySelector(SELECTOR_NEXT_PREV)) {\n      Util.triggerTransitionEnd(this._element)\n      this.cycle(true)\n    }\n\n    clearInterval(this._interval)\n    this._interval = null\n  }\n\n  cycle(event) {\n    if (!event) {\n      this._isPaused = false\n    }\n\n    if (this._interval) {\n      clearInterval(this._interval)\n      this._interval = null\n    }\n\n    if (this._config.interval && !this._isPaused) {\n      this._interval = setInterval(\n        (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n        this._config.interval\n      )\n    }\n  }\n\n  to(index) {\n    this._activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)\n\n    const activeIndex = this._getItemIndex(this._activeElement)\n\n    if (index > this._items.length - 1 || index < 0) {\n      return\n    }\n\n    if (this._isSliding) {\n      $(this._element).one(EVENT_SLID, () => this.to(index))\n      return\n    }\n\n    if (activeIndex === index) {\n      this.pause()\n      this.cycle()\n      return\n    }\n\n    const direction = index > activeIndex\n      ? DIRECTION_NEXT\n      : DIRECTION_PREV\n\n    this._slide(direction, this._items[index])\n  }\n\n  dispose() {\n    $(this._element).off(EVENT_KEY)\n    $.removeData(this._element, DATA_KEY)\n\n    this._items             = null\n    this._config            = null\n    this._element           = null\n    this._interval          = null\n    this._isPaused          = null\n    this._isSliding         = null\n    this._activeElement     = null\n    this._indicatorsElement = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _handleSwipe() {\n    const absDeltax = Math.abs(this.touchDeltaX)\n\n    if (absDeltax <= SWIPE_THRESHOLD) {\n      return\n    }\n\n    const direction = absDeltax / this.touchDeltaX\n\n    this.touchDeltaX = 0\n\n    // swipe left\n    if (direction > 0) {\n      this.prev()\n    }\n\n    // swipe right\n    if (direction < 0) {\n      this.next()\n    }\n  }\n\n  _addEventListeners() {\n    if (this._config.keyboard) {\n      $(this._element).on(EVENT_KEYDOWN, (event) => this._keydown(event))\n    }\n\n    if (this._config.pause === 'hover') {\n      $(this._element)\n        .on(EVENT_MOUSEENTER, (event) => this.pause(event))\n        .on(EVENT_MOUSELEAVE, (event) => this.cycle(event))\n    }\n\n    if (this._config.touch) {\n      this._addTouchEventListeners()\n    }\n  }\n\n  _addTouchEventListeners() {\n    if (!this._touchSupported) {\n      return\n    }\n\n    const start = (event) => {\n      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {\n        this.touchStartX = event.originalEvent.clientX\n      } else if (!this._pointerEvent) {\n        this.touchStartX = event.originalEvent.touches[0].clientX\n      }\n    }\n\n    const move = (event) => {\n      // ensure swiping with one touch and not pinching\n      if (event.originalEvent.touches && event.originalEvent.touches.length > 1) {\n        this.touchDeltaX = 0\n      } else {\n        this.touchDeltaX = event.originalEvent.touches[0].clientX - this.touchStartX\n      }\n    }\n\n    const end = (event) => {\n      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {\n        this.touchDeltaX = event.originalEvent.clientX - this.touchStartX\n      }\n\n      this._handleSwipe()\n      if (this._config.pause === 'hover') {\n        // If it's a touch-enabled device, mouseenter/leave are fired as\n        // part of the mouse compatibility events on first tap - the carousel\n        // would stop cycling until user tapped out of it;\n        // here, we listen for touchend, explicitly pause the carousel\n        // (as if it's the second time we tap on it, mouseenter compat event\n        // is NOT fired) and after a timeout (to allow for mouse compatibility\n        // events to fire) we explicitly restart cycling\n\n        this.pause()\n        if (this.touchTimeout) {\n          clearTimeout(this.touchTimeout)\n        }\n        this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)\n      }\n    }\n\n    $(this._element.querySelectorAll(SELECTOR_ITEM_IMG))\n      .on(EVENT_DRAG_START, (e) => e.preventDefault())\n\n    if (this._pointerEvent) {\n      $(this._element).on(EVENT_POINTERDOWN, (event) => start(event))\n      $(this._element).on(EVENT_POINTERUP, (event) => end(event))\n\n      this._element.classList.add(CLASS_NAME_POINTER_EVENT)\n    } else {\n      $(this._element).on(EVENT_TOUCHSTART, (event) => start(event))\n      $(this._element).on(EVENT_TOUCHMOVE, (event) => move(event))\n      $(this._element).on(EVENT_TOUCHEND, (event) => end(event))\n    }\n  }\n\n  _keydown(event) {\n    if (/input|textarea/i.test(event.target.tagName)) {\n      return\n    }\n\n    switch (event.which) {\n      case ARROW_LEFT_KEYCODE:\n        event.preventDefault()\n        this.prev()\n        break\n      case ARROW_RIGHT_KEYCODE:\n        event.preventDefault()\n        this.next()\n        break\n      default:\n    }\n  }\n\n  _getItemIndex(element) {\n    this._items = element && element.parentNode\n      ? [].slice.call(element.parentNode.querySelectorAll(SELECTOR_ITEM))\n      : []\n    return this._items.indexOf(element)\n  }\n\n  _getItemByDirection(direction, activeElement) {\n    const isNextDirection = direction === DIRECTION_NEXT\n    const isPrevDirection = direction === DIRECTION_PREV\n    const activeIndex     = this._getItemIndex(activeElement)\n    const lastItemIndex   = this._items.length - 1\n    const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||\n                            isNextDirection && activeIndex === lastItemIndex\n\n    if (isGoingToWrap && !this._config.wrap) {\n      return activeElement\n    }\n\n    const delta     = direction === DIRECTION_PREV ? -1 : 1\n    const itemIndex = (activeIndex + delta) % this._items.length\n\n    return itemIndex === -1\n      ? this._items[this._items.length - 1] : this._items[itemIndex]\n  }\n\n  _triggerSlideEvent(relatedTarget, eventDirectionName) {\n    const targetIndex = this._getItemIndex(relatedTarget)\n    const fromIndex = this._getItemIndex(this._element.querySelector(SELECTOR_ACTIVE_ITEM))\n    const slideEvent = $.Event(EVENT_SLIDE, {\n      relatedTarget,\n      direction: eventDirectionName,\n      from: fromIndex,\n      to: targetIndex\n    })\n\n    $(this._element).trigger(slideEvent)\n\n    return slideEvent\n  }\n\n  _setActiveIndicatorElement(element) {\n    if (this._indicatorsElement) {\n      const indicators = [].slice.call(this._indicatorsElement.querySelectorAll(SELECTOR_ACTIVE))\n      $(indicators).removeClass(CLASS_NAME_ACTIVE)\n\n      const nextIndicator = this._indicatorsElement.children[\n        this._getItemIndex(element)\n      ]\n\n      if (nextIndicator) {\n        $(nextIndicator).addClass(CLASS_NAME_ACTIVE)\n      }\n    }\n  }\n\n  _slide(direction, element) {\n    const activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)\n    const activeElementIndex = this._getItemIndex(activeElement)\n    const nextElement   = element || activeElement &&\n      this._getItemByDirection(direction, activeElement)\n    const nextElementIndex = this._getItemIndex(nextElement)\n    const isCycling = Boolean(this._interval)\n\n    let directionalClassName\n    let orderClassName\n    let eventDirectionName\n\n    if (direction === DIRECTION_NEXT) {\n      directionalClassName = CLASS_NAME_LEFT\n      orderClassName = CLASS_NAME_NEXT\n      eventDirectionName = DIRECTION_LEFT\n    } else {\n      directionalClassName = CLASS_NAME_RIGHT\n      orderClassName = CLASS_NAME_PREV\n      eventDirectionName = DIRECTION_RIGHT\n    }\n\n    if (nextElement && $(nextElement).hasClass(CLASS_NAME_ACTIVE)) {\n      this._isSliding = false\n      return\n    }\n\n    const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n    if (slideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (!activeElement || !nextElement) {\n      // Some weirdness is happening, so we bail\n      return\n    }\n\n    this._isSliding = true\n\n    if (isCycling) {\n      this.pause()\n    }\n\n    this._setActiveIndicatorElement(nextElement)\n\n    const slidEvent = $.Event(EVENT_SLID, {\n      relatedTarget: nextElement,\n      direction: eventDirectionName,\n      from: activeElementIndex,\n      to: nextElementIndex\n    })\n\n    if ($(this._element).hasClass(CLASS_NAME_SLIDE)) {\n      $(nextElement).addClass(orderClassName)\n\n      Util.reflow(nextElement)\n\n      $(activeElement).addClass(directionalClassName)\n      $(nextElement).addClass(directionalClassName)\n\n      const nextElementInterval = parseInt(nextElement.getAttribute('data-interval'), 10)\n      if (nextElementInterval) {\n        this._config.defaultInterval = this._config.defaultInterval || this._config.interval\n        this._config.interval = nextElementInterval\n      } else {\n        this._config.interval = this._config.defaultInterval || this._config.interval\n      }\n\n      const transitionDuration = Util.getTransitionDurationFromElement(activeElement)\n\n      $(activeElement)\n        .one(Util.TRANSITION_END, () => {\n          $(nextElement)\n            .removeClass(`${directionalClassName} ${orderClassName}`)\n            .addClass(CLASS_NAME_ACTIVE)\n\n          $(activeElement).removeClass(`${CLASS_NAME_ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n          this._isSliding = false\n\n          setTimeout(() => $(this._element).trigger(slidEvent), 0)\n        })\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      $(activeElement).removeClass(CLASS_NAME_ACTIVE)\n      $(nextElement).addClass(CLASS_NAME_ACTIVE)\n\n      this._isSliding = false\n      $(this._element).trigger(slidEvent)\n    }\n\n    if (isCycling) {\n      this.cycle()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      let _config = {\n        ...Default,\n        ...$(this).data()\n      }\n\n      if (typeof config === 'object') {\n        _config = {\n          ..._config,\n          ...config\n        }\n      }\n\n      const action = typeof config === 'string' ? config : _config.slide\n\n      if (!data) {\n        data = new Carousel(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'number') {\n        data.to(config)\n      } else if (typeof action === 'string') {\n        if (typeof data[action] === 'undefined') {\n          throw new TypeError(`No method named \"${action}\"`)\n        }\n        data[action]()\n      } else if (_config.interval && _config.ride) {\n        data.pause()\n        data.cycle()\n      }\n    })\n  }\n\n  static _dataApiClickHandler(event) {\n    const selector = Util.getSelectorFromElement(this)\n\n    if (!selector) {\n      return\n    }\n\n    const target = $(selector)[0]\n\n    if (!target || !$(target).hasClass(CLASS_NAME_CAROUSEL)) {\n      return\n    }\n\n    const config = {\n      ...$(target).data(),\n      ...$(this).data()\n    }\n    const slideIndex = this.getAttribute('data-slide-to')\n\n    if (slideIndex) {\n      config.interval = false\n    }\n\n    Carousel._jQueryInterface.call($(target), config)\n\n    if (slideIndex) {\n      $(target).data(DATA_KEY).to(slideIndex)\n    }\n\n    event.preventDefault()\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, Carousel._dataApiClickHandler)\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  const carousels = [].slice.call(document.querySelectorAll(SELECTOR_DATA_RIDE))\n  for (let i = 0, len = carousels.length; i < len; i++) {\n    const $carousel = $(carousels[i])\n    Carousel._jQueryInterface.call($carousel, $carousel.data())\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Carousel._jQueryInterface\n$.fn[NAME].Constructor = Carousel\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Carousel._jQueryInterface\n}\n\nexport default Carousel\n"],"file":"carousel.min.js"}
\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                   = 'carousel'\nconst VERSION                = '4.5.0'\nconst DATA_KEY               = 'bs.carousel'\nconst EVENT_KEY              = `.${DATA_KEY}`\nconst DATA_API_KEY           = '.data-api'\nconst JQUERY_NO_CONFLICT     = $.fn[NAME]\nconst ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key\nconst ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key\nconst TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch\nconst SWIPE_THRESHOLD        = 40\n\nconst Default = {\n  interval : 5000,\n  keyboard : true,\n  slide    : false,\n  pause    : 'hover',\n  wrap     : true,\n  touch    : true\n}\n\nconst DefaultType = {\n  interval : '(number|boolean)',\n  keyboard : 'boolean',\n  slide    : '(boolean|string)',\n  pause    : '(string|boolean)',\n  wrap     : 'boolean',\n  touch    : 'boolean'\n}\n\nconst DIRECTION_NEXT     = 'next'\nconst DIRECTION_PREV     = 'prev'\nconst DIRECTION_LEFT     = 'left'\nconst DIRECTION_RIGHT    = 'right'\n\nconst EVENT_SLIDE          = `slide${EVENT_KEY}`\nconst EVENT_SLID           = `slid${EVENT_KEY}`\nconst EVENT_KEYDOWN        = `keydown${EVENT_KEY}`\nconst EVENT_MOUSEENTER     = `mouseenter${EVENT_KEY}`\nconst EVENT_MOUSELEAVE     = `mouseleave${EVENT_KEY}`\nconst EVENT_TOUCHSTART     = `touchstart${EVENT_KEY}`\nconst EVENT_TOUCHMOVE      = `touchmove${EVENT_KEY}`\nconst EVENT_TOUCHEND       = `touchend${EVENT_KEY}`\nconst EVENT_POINTERDOWN    = `pointerdown${EVENT_KEY}`\nconst EVENT_POINTERUP      = `pointerup${EVENT_KEY}`\nconst EVENT_DRAG_START     = `dragstart${EVENT_KEY}`\nconst EVENT_LOAD_DATA_API  = `load${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_CAROUSEL      = 'carousel'\nconst CLASS_NAME_ACTIVE        = 'active'\nconst CLASS_NAME_SLIDE         = 'slide'\nconst CLASS_NAME_RIGHT         = 'carousel-item-right'\nconst CLASS_NAME_LEFT          = 'carousel-item-left'\nconst CLASS_NAME_NEXT          = 'carousel-item-next'\nconst CLASS_NAME_PREV          = 'carousel-item-prev'\nconst CLASS_NAME_POINTER_EVENT = 'pointer-event'\n\nconst SELECTOR_ACTIVE      = '.active'\nconst SELECTOR_ACTIVE_ITEM = '.active.carousel-item'\nconst SELECTOR_ITEM        = '.carousel-item'\nconst SELECTOR_ITEM_IMG    = '.carousel-item img'\nconst SELECTOR_NEXT_PREV   = '.carousel-item-next, .carousel-item-prev'\nconst SELECTOR_INDICATORS  = '.carousel-indicators'\nconst SELECTOR_DATA_SLIDE  = '[data-slide], [data-slide-to]'\nconst SELECTOR_DATA_RIDE   = '[data-ride=\"carousel\"]'\n\nconst PointerType = {\n  TOUCH : 'touch',\n  PEN   : 'pen'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\nclass Carousel {\n  constructor(element, config) {\n    this._items         = null\n    this._interval      = null\n    this._activeElement = null\n    this._isPaused      = false\n    this._isSliding     = false\n    this.touchTimeout   = null\n    this.touchStartX    = 0\n    this.touchDeltaX    = 0\n\n    this._config            = this._getConfig(config)\n    this._element           = element\n    this._indicatorsElement = this._element.querySelector(SELECTOR_INDICATORS)\n    this._touchSupported    = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0\n    this._pointerEvent      = Boolean(window.PointerEvent || window.MSPointerEvent)\n\n    this._addEventListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  next() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_NEXT)\n    }\n  }\n\n  nextWhenVisible() {\n    // Don't call next when the page isn't visible\n    // or the carousel or its parent isn't visible\n    if (!document.hidden &&\n      ($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {\n      this.next()\n    }\n  }\n\n  prev() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_PREV)\n    }\n  }\n\n  pause(event) {\n    if (!event) {\n      this._isPaused = true\n    }\n\n    if (this._element.querySelector(SELECTOR_NEXT_PREV)) {\n      Util.triggerTransitionEnd(this._element)\n      this.cycle(true)\n    }\n\n    clearInterval(this._interval)\n    this._interval = null\n  }\n\n  cycle(event) {\n    if (!event) {\n      this._isPaused = false\n    }\n\n    if (this._interval) {\n      clearInterval(this._interval)\n      this._interval = null\n    }\n\n    if (this._config.interval && !this._isPaused) {\n      this._interval = setInterval(\n        (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n        this._config.interval\n      )\n    }\n  }\n\n  to(index) {\n    this._activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)\n\n    const activeIndex = this._getItemIndex(this._activeElement)\n\n    if (index > this._items.length - 1 || index < 0) {\n      return\n    }\n\n    if (this._isSliding) {\n      $(this._element).one(EVENT_SLID, () => this.to(index))\n      return\n    }\n\n    if (activeIndex === index) {\n      this.pause()\n      this.cycle()\n      return\n    }\n\n    const direction = index > activeIndex\n      ? DIRECTION_NEXT\n      : DIRECTION_PREV\n\n    this._slide(direction, this._items[index])\n  }\n\n  dispose() {\n    $(this._element).off(EVENT_KEY)\n    $.removeData(this._element, DATA_KEY)\n\n    this._items             = null\n    this._config            = null\n    this._element           = null\n    this._interval          = null\n    this._isPaused          = null\n    this._isSliding         = null\n    this._activeElement     = null\n    this._indicatorsElement = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _handleSwipe() {\n    const absDeltax = Math.abs(this.touchDeltaX)\n\n    if (absDeltax <= SWIPE_THRESHOLD) {\n      return\n    }\n\n    const direction = absDeltax / this.touchDeltaX\n\n    this.touchDeltaX = 0\n\n    // swipe left\n    if (direction > 0) {\n      this.prev()\n    }\n\n    // swipe right\n    if (direction < 0) {\n      this.next()\n    }\n  }\n\n  _addEventListeners() {\n    if (this._config.keyboard) {\n      $(this._element).on(EVENT_KEYDOWN, (event) => this._keydown(event))\n    }\n\n    if (this._config.pause === 'hover') {\n      $(this._element)\n        .on(EVENT_MOUSEENTER, (event) => this.pause(event))\n        .on(EVENT_MOUSELEAVE, (event) => this.cycle(event))\n    }\n\n    if (this._config.touch) {\n      this._addTouchEventListeners()\n    }\n  }\n\n  _addTouchEventListeners() {\n    if (!this._touchSupported) {\n      return\n    }\n\n    const start = (event) => {\n      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {\n        this.touchStartX = event.originalEvent.clientX\n      } else if (!this._pointerEvent) {\n        this.touchStartX = event.originalEvent.touches[0].clientX\n      }\n    }\n\n    const move = (event) => {\n      // ensure swiping with one touch and not pinching\n      if (event.originalEvent.touches && event.originalEvent.touches.length > 1) {\n        this.touchDeltaX = 0\n      } else {\n        this.touchDeltaX = event.originalEvent.touches[0].clientX - this.touchStartX\n      }\n    }\n\n    const end = (event) => {\n      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {\n        this.touchDeltaX = event.originalEvent.clientX - this.touchStartX\n      }\n\n      this._handleSwipe()\n      if (this._config.pause === 'hover') {\n        // If it's a touch-enabled device, mouseenter/leave are fired as\n        // part of the mouse compatibility events on first tap - the carousel\n        // would stop cycling until user tapped out of it;\n        // here, we listen for touchend, explicitly pause the carousel\n        // (as if it's the second time we tap on it, mouseenter compat event\n        // is NOT fired) and after a timeout (to allow for mouse compatibility\n        // events to fire) we explicitly restart cycling\n\n        this.pause()\n        if (this.touchTimeout) {\n          clearTimeout(this.touchTimeout)\n        }\n        this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)\n      }\n    }\n\n    $(this._element.querySelectorAll(SELECTOR_ITEM_IMG))\n      .on(EVENT_DRAG_START, (e) => e.preventDefault())\n\n    if (this._pointerEvent) {\n      $(this._element).on(EVENT_POINTERDOWN, (event) => start(event))\n      $(this._element).on(EVENT_POINTERUP, (event) => end(event))\n\n      this._element.classList.add(CLASS_NAME_POINTER_EVENT)\n    } else {\n      $(this._element).on(EVENT_TOUCHSTART, (event) => start(event))\n      $(this._element).on(EVENT_TOUCHMOVE, (event) => move(event))\n      $(this._element).on(EVENT_TOUCHEND, (event) => end(event))\n    }\n  }\n\n  _keydown(event) {\n    if (/input|textarea/i.test(event.target.tagName)) {\n      return\n    }\n\n    switch (event.which) {\n      case ARROW_LEFT_KEYCODE:\n        event.preventDefault()\n        this.prev()\n        break\n      case ARROW_RIGHT_KEYCODE:\n        event.preventDefault()\n        this.next()\n        break\n      default:\n    }\n  }\n\n  _getItemIndex(element) {\n    this._items = element && element.parentNode\n      ? [].slice.call(element.parentNode.querySelectorAll(SELECTOR_ITEM))\n      : []\n    return this._items.indexOf(element)\n  }\n\n  _getItemByDirection(direction, activeElement) {\n    const isNextDirection = direction === DIRECTION_NEXT\n    const isPrevDirection = direction === DIRECTION_PREV\n    const activeIndex     = this._getItemIndex(activeElement)\n    const lastItemIndex   = this._items.length - 1\n    const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||\n                            isNextDirection && activeIndex === lastItemIndex\n\n    if (isGoingToWrap && !this._config.wrap) {\n      return activeElement\n    }\n\n    const delta     = direction === DIRECTION_PREV ? -1 : 1\n    const itemIndex = (activeIndex + delta) % this._items.length\n\n    return itemIndex === -1\n      ? this._items[this._items.length - 1] : this._items[itemIndex]\n  }\n\n  _triggerSlideEvent(relatedTarget, eventDirectionName) {\n    const targetIndex = this._getItemIndex(relatedTarget)\n    const fromIndex = this._getItemIndex(this._element.querySelector(SELECTOR_ACTIVE_ITEM))\n    const slideEvent = $.Event(EVENT_SLIDE, {\n      relatedTarget,\n      direction: eventDirectionName,\n      from: fromIndex,\n      to: targetIndex\n    })\n\n    $(this._element).trigger(slideEvent)\n\n    return slideEvent\n  }\n\n  _setActiveIndicatorElement(element) {\n    if (this._indicatorsElement) {\n      const indicators = [].slice.call(this._indicatorsElement.querySelectorAll(SELECTOR_ACTIVE))\n      $(indicators).removeClass(CLASS_NAME_ACTIVE)\n\n      const nextIndicator = this._indicatorsElement.children[\n        this._getItemIndex(element)\n      ]\n\n      if (nextIndicator) {\n        $(nextIndicator).addClass(CLASS_NAME_ACTIVE)\n      }\n    }\n  }\n\n  _slide(direction, element) {\n    const activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)\n    const activeElementIndex = this._getItemIndex(activeElement)\n    const nextElement   = element || activeElement &&\n      this._getItemByDirection(direction, activeElement)\n    const nextElementIndex = this._getItemIndex(nextElement)\n    const isCycling = Boolean(this._interval)\n\n    let directionalClassName\n    let orderClassName\n    let eventDirectionName\n\n    if (direction === DIRECTION_NEXT) {\n      directionalClassName = CLASS_NAME_LEFT\n      orderClassName = CLASS_NAME_NEXT\n      eventDirectionName = DIRECTION_LEFT\n    } else {\n      directionalClassName = CLASS_NAME_RIGHT\n      orderClassName = CLASS_NAME_PREV\n      eventDirectionName = DIRECTION_RIGHT\n    }\n\n    if (nextElement && $(nextElement).hasClass(CLASS_NAME_ACTIVE)) {\n      this._isSliding = false\n      return\n    }\n\n    const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n    if (slideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (!activeElement || !nextElement) {\n      // Some weirdness is happening, so we bail\n      return\n    }\n\n    this._isSliding = true\n\n    if (isCycling) {\n      this.pause()\n    }\n\n    this._setActiveIndicatorElement(nextElement)\n\n    const slidEvent = $.Event(EVENT_SLID, {\n      relatedTarget: nextElement,\n      direction: eventDirectionName,\n      from: activeElementIndex,\n      to: nextElementIndex\n    })\n\n    if ($(this._element).hasClass(CLASS_NAME_SLIDE)) {\n      $(nextElement).addClass(orderClassName)\n\n      Util.reflow(nextElement)\n\n      $(activeElement).addClass(directionalClassName)\n      $(nextElement).addClass(directionalClassName)\n\n      const nextElementInterval = parseInt(nextElement.getAttribute('data-interval'), 10)\n      if (nextElementInterval) {\n        this._config.defaultInterval = this._config.defaultInterval || this._config.interval\n        this._config.interval = nextElementInterval\n      } else {\n        this._config.interval = this._config.defaultInterval || this._config.interval\n      }\n\n      const transitionDuration = Util.getTransitionDurationFromElement(activeElement)\n\n      $(activeElement)\n        .one(Util.TRANSITION_END, () => {\n          $(nextElement)\n            .removeClass(`${directionalClassName} ${orderClassName}`)\n            .addClass(CLASS_NAME_ACTIVE)\n\n          $(activeElement).removeClass(`${CLASS_NAME_ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n          this._isSliding = false\n\n          setTimeout(() => $(this._element).trigger(slidEvent), 0)\n        })\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      $(activeElement).removeClass(CLASS_NAME_ACTIVE)\n      $(nextElement).addClass(CLASS_NAME_ACTIVE)\n\n      this._isSliding = false\n      $(this._element).trigger(slidEvent)\n    }\n\n    if (isCycling) {\n      this.cycle()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      let _config = {\n        ...Default,\n        ...$(this).data()\n      }\n\n      if (typeof config === 'object') {\n        _config = {\n          ..._config,\n          ...config\n        }\n      }\n\n      const action = typeof config === 'string' ? config : _config.slide\n\n      if (!data) {\n        data = new Carousel(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'number') {\n        data.to(config)\n      } else if (typeof action === 'string') {\n        if (typeof data[action] === 'undefined') {\n          throw new TypeError(`No method named \"${action}\"`)\n        }\n        data[action]()\n      } else if (_config.interval && _config.ride) {\n        data.pause()\n        data.cycle()\n      }\n    })\n  }\n\n  static _dataApiClickHandler(event) {\n    const selector = Util.getSelectorFromElement(this)\n\n    if (!selector) {\n      return\n    }\n\n    const target = $(selector)[0]\n\n    if (!target || !$(target).hasClass(CLASS_NAME_CAROUSEL)) {\n      return\n    }\n\n    const config = {\n      ...$(target).data(),\n      ...$(this).data()\n    }\n    const slideIndex = this.getAttribute('data-slide-to')\n\n    if (slideIndex) {\n      config.interval = false\n    }\n\n    Carousel._jQueryInterface.call($(target), config)\n\n    if (slideIndex) {\n      $(target).data(DATA_KEY).to(slideIndex)\n    }\n\n    event.preventDefault()\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, Carousel._dataApiClickHandler)\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  const carousels = [].slice.call(document.querySelectorAll(SELECTOR_DATA_RIDE))\n  for (let i = 0, len = carousels.length; i < len; i++) {\n    const $carousel = $(carousels[i])\n    Carousel._jQueryInterface.call($carousel, $carousel.data())\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Carousel._jQueryInterface\n$.fn[NAME].Constructor = Carousel\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Carousel._jQueryInterface\n}\n\nexport default Carousel\n"],"file":"carousel.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/collapse.min.js b/theme/boost/amd/build/bootstrap/collapse.min.js
index 365a018565d..7e84b5834d6 100644
--- a/theme/boost/amd/build/bootstrap/collapse.min.js
+++ b/theme/boost/amd/build/bootstrap/collapse.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/collapse",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){e=function(a){return typeof a}}else{e=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return e(a)}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);if(b)d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable});c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};if(b%2){f(Object(c),!0).forEach(function(b){h(a,b,c[b])})}else if(Object.getOwnPropertyDescriptors){Object.defineProperties(a,Object.getOwnPropertyDescriptors(c))}else{f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function j(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function k(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function l(a,b,c){if(b)k(a.prototype,b);if(c)k(a,c);return a}var m="bs.collapse",n=".".concat(m),o=b.default.fn.collapse,p={toggle:!0,parent:""},q={toggle:"boolean",parent:"(string|element)"},r="show".concat(n),s="shown".concat(n),t="hide".concat(n),u="hidden".concat(n),v="click".concat(n).concat(".data-api"),w="show",x="collapse",y="collapsing",z="collapsed",A="width",B="[data-toggle=\"collapse\"]",C=function(){function a(b,d){j(this,a);this._isTransitioning=!1;this._element=b;this._config=this._getConfig(d);this._triggerArray=[].slice.call(document.querySelectorAll("[data-toggle=\"collapse\"][href=\"#".concat(b.id,"\"],")+"[data-toggle=\"collapse\"][data-target=\"#".concat(b.id,"\"]")));for(var e=[].slice.call(document.querySelectorAll(B)),f=0,g=e.length;f<g;f++){var h=e[f],k=c.default.getSelectorFromElement(h),l=[].slice.call(document.querySelectorAll(k)).filter(function(a){return a===b});if(null!==k&&0<l.length){this._selector=k;this._triggerArray.push(h)}}this._parent=this._config.parent?this._getParent():null;if(!this._config.parent){this._addAriaAndCollapsedClass(this._element,this._triggerArray)}if(this._config.toggle){this.toggle()}}l(a,[{key:"toggle",value:function toggle(){if((0,b.default)(this._element).hasClass(w)){this.hide()}else{this.show()}}},{key:"show",value:function show(){var d=this;if(this._isTransitioning||(0,b.default)(this._element).hasClass(w)){return}var e,f;if(this._parent){e=[].slice.call(this._parent.querySelectorAll(".show, .collapsing")).filter(function(a){if("string"==typeof d._config.parent){return a.getAttribute("data-parent")===d._config.parent}return a.classList.contains(x)});if(0===e.length){e=null}}if(e){f=(0,b.default)(e).not(this._selector).data(m);if(f&&f._isTransitioning){return}}var g=b.default.Event(r);(0,b.default)(this._element).trigger(g);if(g.isDefaultPrevented()){return}if(e){a._jQueryInterface.call((0,b.default)(e).not(this._selector),"hide");if(!f){(0,b.default)(e).data(m,null)}}var h=this._getDimension();(0,b.default)(this._element).removeClass(x).addClass(y);this._element.style[h]=0;if(this._triggerArray.length){(0,b.default)(this._triggerArray).removeClass(z).attr("aria-expanded",!0)}this.setTransitioning(!0);var i=function(){(0,b.default)(d._element).removeClass(y).addClass("".concat(x," ").concat(w));d._element.style[h]="";d.setTransitioning(!1);(0,b.default)(d._element).trigger(s)},j=h[0].toUpperCase()+h.slice(1),k="scroll".concat(j),l=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,i).emulateTransitionEnd(l);this._element.style[h]="".concat(this._element[k],"px")}},{key:"hide",value:function hide(){var a=this;if(this._isTransitioning||!(0,b.default)(this._element).hasClass(w)){return}var d=b.default.Event(t);(0,b.default)(this._element).trigger(d);if(d.isDefaultPrevented()){return}var e=this._getDimension();this._element.style[e]="".concat(this._element.getBoundingClientRect()[e],"px");c.default.reflow(this._element);(0,b.default)(this._element).addClass(y).removeClass("".concat(x," ").concat(w));var f=this._triggerArray.length;if(0<f){for(var l=0;l<f;l++){var g=this._triggerArray[l],h=c.default.getSelectorFromElement(g);if(null!==h){var i=(0,b.default)([].slice.call(document.querySelectorAll(h)));if(!i.hasClass(w)){(0,b.default)(g).addClass(z).attr("aria-expanded",!1)}}}}this.setTransitioning(!0);var j=function(){a.setTransitioning(!1);(0,b.default)(a._element).removeClass(y).addClass(x).trigger(u)};this._element.style[e]="";var k=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,j).emulateTransitionEnd(k)}},{key:"setTransitioning",value:function setTransitioning(a){this._isTransitioning=a}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,m);this._config=null;this._parent=null;this._element=null;this._triggerArray=null;this._isTransitioning=null}},{key:"_getConfig",value:function _getConfig(a){a=g({},p,{},a);a.toggle=!!a.toggle;c.default.typeCheckConfig("collapse",a,q);return a}},{key:"_getDimension",value:function _getDimension(){var a=(0,b.default)(this._element).hasClass(A);return a?A:"height"}},{key:"_getParent",value:function _getParent(){var d=this,e;if(c.default.isElement(this._config.parent)){e=this._config.parent;if("undefined"!=typeof this._config.parent.jquery){e=this._config.parent[0]}}else{e=document.querySelector(this._config.parent)}var 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 //# sourceMappingURL=collapse.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/collapse.min.js.map b/theme/boost/amd/build/bootstrap/collapse.min.js.map
index 964a9390837..66d39d075fd 100644
--- a/theme/boost/amd/build/bootstrap/collapse.min.js.map
+++ b/theme/boost/amd/build/bootstrap/collapse.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): collapse.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'collapse'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.collapse'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst Default = {\n  toggle : true,\n  parent : ''\n}\n\nconst DefaultType = {\n  toggle : 'boolean',\n  parent : '(string|element)'\n}\n\nconst EVENT_SHOW           = `show${EVENT_KEY}`\nconst EVENT_SHOWN          = `shown${EVENT_KEY}`\nconst EVENT_HIDE           = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN         = `hidden${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_SHOW       = 'show'\nconst CLASS_NAME_COLLAPSE   = 'collapse'\nconst CLASS_NAME_COLLAPSING = 'collapsing'\nconst CLASS_NAME_COLLAPSED  = 'collapsed'\n\nconst DIMENSION_WIDTH  = 'width'\nconst DIMENSION_HEIGHT = 'height'\n\nconst SELECTOR_ACTIVES     = '.show, .collapsing'\nconst SELECTOR_DATA_TOGGLE = '[data-toggle=\"collapse\"]'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Collapse {\n  constructor(element, config) {\n    this._isTransitioning = false\n    this._element         = element\n    this._config          = this._getConfig(config)\n    this._triggerArray    = [].slice.call(document.querySelectorAll(\n      `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n      `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n    ))\n\n    const toggleList = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n    for (let i = 0, len = toggleList.length; i < len; i++) {\n      const elem = toggleList[i]\n      const selector = Util.getSelectorFromElement(elem)\n      const filterElement = [].slice.call(document.querySelectorAll(selector))\n        .filter((foundElem) => foundElem === element)\n\n      if (selector !== null && filterElement.length > 0) {\n        this._selector = selector\n        this._triggerArray.push(elem)\n      }\n    }\n\n    this._parent = this._config.parent ? this._getParent() : null\n\n    if (!this._config.parent) {\n      this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n    }\n\n    if (this._config.toggle) {\n      this.toggle()\n    }\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  toggle() {\n    if ($(this._element).hasClass(CLASS_NAME_SHOW)) {\n      this.hide()\n    } else {\n      this.show()\n    }\n  }\n\n  show() {\n    if (this._isTransitioning ||\n      $(this._element).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    let actives\n    let activesData\n\n    if (this._parent) {\n      actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES))\n        .filter((elem) => {\n          if (typeof this._config.parent === 'string') {\n            return elem.getAttribute('data-parent') === this._config.parent\n          }\n\n          return elem.classList.contains(CLASS_NAME_COLLAPSE)\n        })\n\n      if (actives.length === 0) {\n        actives = null\n      }\n    }\n\n    if (actives) {\n      activesData = $(actives).not(this._selector).data(DATA_KEY)\n      if (activesData && activesData._isTransitioning) {\n        return\n      }\n    }\n\n    const startEvent = $.Event(EVENT_SHOW)\n    $(this._element).trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (actives) {\n      Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')\n      if (!activesData) {\n        $(actives).data(DATA_KEY, null)\n      }\n    }\n\n    const dimension = this._getDimension()\n\n    $(this._element)\n      .removeClass(CLASS_NAME_COLLAPSE)\n      .addClass(CLASS_NAME_COLLAPSING)\n\n    this._element.style[dimension] = 0\n\n    if (this._triggerArray.length) {\n      $(this._triggerArray)\n        .removeClass(CLASS_NAME_COLLAPSED)\n        .attr('aria-expanded', true)\n    }\n\n    this.setTransitioning(true)\n\n    const complete = () => {\n      $(this._element)\n        .removeClass(CLASS_NAME_COLLAPSING)\n        .addClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n      this._element.style[dimension] = ''\n\n      this.setTransitioning(false)\n\n      $(this._element).trigger(EVENT_SHOWN)\n    }\n\n    const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n    const scrollSize = `scroll${capitalizedDimension}`\n    const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n    $(this._element)\n      .one(Util.TRANSITION_END, complete)\n      .emulateTransitionEnd(transitionDuration)\n\n    this._element.style[dimension] = `${this._element[scrollSize]}px`\n  }\n\n  hide() {\n    if (this._isTransitioning ||\n      !$(this._element).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const startEvent = $.Event(EVENT_HIDE)\n    $(this._element).trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) {\n      return\n    }\n\n    const dimension = this._getDimension()\n\n    this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n    Util.reflow(this._element)\n\n    $(this._element)\n      .addClass(CLASS_NAME_COLLAPSING)\n      .removeClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n    const triggerArrayLength = this._triggerArray.length\n    if (triggerArrayLength > 0) {\n      for (let i = 0; i < triggerArrayLength; i++) {\n        const trigger = this._triggerArray[i]\n        const selector = Util.getSelectorFromElement(trigger)\n\n        if (selector !== null) {\n          const $elem = $([].slice.call(document.querySelectorAll(selector)))\n          if (!$elem.hasClass(CLASS_NAME_SHOW)) {\n            $(trigger).addClass(CLASS_NAME_COLLAPSED)\n              .attr('aria-expanded', false)\n          }\n        }\n      }\n    }\n\n    this.setTransitioning(true)\n\n    const complete = () => {\n      this.setTransitioning(false)\n      $(this._element)\n        .removeClass(CLASS_NAME_COLLAPSING)\n        .addClass(CLASS_NAME_COLLAPSE)\n        .trigger(EVENT_HIDDEN)\n    }\n\n    this._element.style[dimension] = ''\n    const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n    $(this._element)\n      .one(Util.TRANSITION_END, complete)\n      .emulateTransitionEnd(transitionDuration)\n  }\n\n  setTransitioning(isTransitioning) {\n    this._isTransitioning = isTransitioning\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n\n    this._config          = null\n    this._parent          = null\n    this._element         = null\n    this._triggerArray    = null\n    this._isTransitioning = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    config.toggle = Boolean(config.toggle) // Coerce string values\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _getDimension() {\n    const hasWidth = $(this._element).hasClass(DIMENSION_WIDTH)\n    return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT\n  }\n\n  _getParent() {\n    let parent\n\n    if (Util.isElement(this._config.parent)) {\n      parent = this._config.parent\n\n      // It's a jQuery object\n      if (typeof this._config.parent.jquery !== 'undefined') {\n        parent = this._config.parent[0]\n      }\n    } else {\n      parent = document.querySelector(this._config.parent)\n    }\n\n    const selector = `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n    const children = [].slice.call(parent.querySelectorAll(selector))\n\n    $(children).each((i, element) => {\n      this._addAriaAndCollapsedClass(\n        Collapse._getTargetFromElement(element),\n        [element]\n      )\n    })\n\n    return parent\n  }\n\n  _addAriaAndCollapsedClass(element, triggerArray) {\n    const isOpen = $(element).hasClass(CLASS_NAME_SHOW)\n\n    if (triggerArray.length) {\n      $(triggerArray)\n        .toggleClass(CLASS_NAME_COLLAPSED, !isOpen)\n        .attr('aria-expanded', isOpen)\n    }\n  }\n\n  // Static\n\n  static _getTargetFromElement(element) {\n    const selector = Util.getSelectorFromElement(element)\n    return selector ? document.querySelector(selector) : null\n  }\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $this   = $(this)\n      let data      = $this.data(DATA_KEY)\n      const _config = {\n        ...Default,\n        ...$this.data(),\n        ...typeof config === 'object' && config ? config : {}\n      }\n\n      if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {\n        _config.toggle = false\n      }\n\n      if (!data) {\n        data = new Collapse(this, _config)\n        $this.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n  // preventDefault only for <a> elements (which change the URL) not inside the collapsible element\n  if (event.currentTarget.tagName === 'A') {\n    event.preventDefault()\n  }\n\n  const $trigger = $(this)\n  const selector = Util.getSelectorFromElement(this)\n  const selectors = [].slice.call(document.querySelectorAll(selector))\n\n  $(selectors).each(function () {\n    const $target = $(this)\n    const data    = $target.data(DATA_KEY)\n    const config  = data ? 'toggle' : $trigger.data()\n    Collapse._jQueryInterface.call($target, config)\n  })\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Collapse._jQueryInterface\n$.fn[NAME].Constructor = Collapse\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Collapse._jQueryInterface\n}\n\nexport default Collapse\n"],"file":"collapse.min.js"}
\ No newline at end of file
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`[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n      `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n    ))\n\n    const toggleList = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n    for (let i = 0, len = toggleList.length; i < len; i++) {\n      const elem = toggleList[i]\n      const selector = Util.getSelectorFromElement(elem)\n      const filterElement = [].slice.call(document.querySelectorAll(selector))\n        .filter((foundElem) => foundElem === element)\n\n      if (selector !== null && filterElement.length > 0) {\n        this._selector = selector\n        this._triggerArray.push(elem)\n      }\n    }\n\n    this._parent = this._config.parent ? this._getParent() : null\n\n    if (!this._config.parent) {\n      this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n    }\n\n    if (this._config.toggle) {\n      this.toggle()\n    }\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  toggle() {\n    if ($(this._element).hasClass(CLASS_NAME_SHOW)) {\n      this.hide()\n    } else {\n      this.show()\n    }\n  }\n\n  show() {\n    if (this._isTransitioning ||\n      $(this._element).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    let actives\n    let activesData\n\n    if (this._parent) {\n      actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES))\n        .filter((elem) => {\n          if (typeof this._config.parent === 'string') {\n            return elem.getAttribute('data-parent') === this._config.parent\n          }\n\n          return elem.classList.contains(CLASS_NAME_COLLAPSE)\n        })\n\n      if (actives.length === 0) {\n        actives = null\n      }\n    }\n\n    if (actives) {\n      activesData = $(actives).not(this._selector).data(DATA_KEY)\n      if (activesData && activesData._isTransitioning) {\n        return\n      }\n    }\n\n    const startEvent = $.Event(EVENT_SHOW)\n    $(this._element).trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (actives) {\n      Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')\n      if (!activesData) {\n        $(actives).data(DATA_KEY, null)\n      }\n    }\n\n    const dimension = this._getDimension()\n\n    $(this._element)\n      .removeClass(CLASS_NAME_COLLAPSE)\n      .addClass(CLASS_NAME_COLLAPSING)\n\n    this._element.style[dimension] = 0\n\n    if (this._triggerArray.length) {\n      $(this._triggerArray)\n        .removeClass(CLASS_NAME_COLLAPSED)\n        .attr('aria-expanded', true)\n    }\n\n    this.setTransitioning(true)\n\n    const complete = () => {\n      $(this._element)\n        .removeClass(CLASS_NAME_COLLAPSING)\n        .addClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n      this._element.style[dimension] = ''\n\n      this.setTransitioning(false)\n\n      $(this._element).trigger(EVENT_SHOWN)\n    }\n\n    const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n    const scrollSize = `scroll${capitalizedDimension}`\n    const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n    $(this._element)\n      .one(Util.TRANSITION_END, complete)\n      .emulateTransitionEnd(transitionDuration)\n\n    this._element.style[dimension] = `${this._element[scrollSize]}px`\n  }\n\n  hide() {\n    if (this._isTransitioning ||\n      !$(this._element).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const startEvent = $.Event(EVENT_HIDE)\n    $(this._element).trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) {\n      return\n    }\n\n    const dimension = this._getDimension()\n\n    this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n    Util.reflow(this._element)\n\n    $(this._element)\n      .addClass(CLASS_NAME_COLLAPSING)\n      .removeClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n    const triggerArrayLength = this._triggerArray.length\n    if (triggerArrayLength > 0) {\n      for (let i = 0; i < triggerArrayLength; i++) {\n        const trigger = this._triggerArray[i]\n        const selector = Util.getSelectorFromElement(trigger)\n\n        if (selector !== null) {\n          const $elem = $([].slice.call(document.querySelectorAll(selector)))\n          if (!$elem.hasClass(CLASS_NAME_SHOW)) {\n            $(trigger).addClass(CLASS_NAME_COLLAPSED)\n              .attr('aria-expanded', false)\n          }\n        }\n      }\n    }\n\n    this.setTransitioning(true)\n\n    const complete = () => {\n      this.setTransitioning(false)\n      $(this._element)\n        .removeClass(CLASS_NAME_COLLAPSING)\n        .addClass(CLASS_NAME_COLLAPSE)\n        .trigger(EVENT_HIDDEN)\n    }\n\n    this._element.style[dimension] = ''\n    const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n    $(this._element)\n      .one(Util.TRANSITION_END, complete)\n      .emulateTransitionEnd(transitionDuration)\n  }\n\n  setTransitioning(isTransitioning) {\n    this._isTransitioning = isTransitioning\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n\n    this._config          = null\n    this._parent          = null\n    this._element         = null\n    this._triggerArray    = null\n    this._isTransitioning = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    config.toggle = Boolean(config.toggle) // Coerce string values\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _getDimension() {\n    const hasWidth = $(this._element).hasClass(DIMENSION_WIDTH)\n    return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT\n  }\n\n  _getParent() {\n    let parent\n\n    if (Util.isElement(this._config.parent)) {\n      parent = this._config.parent\n\n      // It's a jQuery object\n      if (typeof this._config.parent.jquery !== 'undefined') {\n        parent = this._config.parent[0]\n      }\n    } else {\n      parent = document.querySelector(this._config.parent)\n    }\n\n    const selector = `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n    const children = [].slice.call(parent.querySelectorAll(selector))\n\n    $(children).each((i, element) => {\n      this._addAriaAndCollapsedClass(\n        Collapse._getTargetFromElement(element),\n        [element]\n      )\n    })\n\n    return parent\n  }\n\n  _addAriaAndCollapsedClass(element, triggerArray) {\n    const isOpen = $(element).hasClass(CLASS_NAME_SHOW)\n\n    if (triggerArray.length) {\n      $(triggerArray)\n        .toggleClass(CLASS_NAME_COLLAPSED, !isOpen)\n        .attr('aria-expanded', isOpen)\n    }\n  }\n\n  // Static\n\n  static _getTargetFromElement(element) {\n    const selector = Util.getSelectorFromElement(element)\n    return selector ? document.querySelector(selector) : null\n  }\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $this   = $(this)\n      let data      = $this.data(DATA_KEY)\n      const _config = {\n        ...Default,\n        ...$this.data(),\n        ...typeof config === 'object' && config ? config : {}\n      }\n\n      if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {\n        _config.toggle = false\n      }\n\n      if (!data) {\n        data = new Collapse(this, _config)\n        $this.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n  // preventDefault only for <a> elements (which change the URL) not inside the collapsible element\n  if (event.currentTarget.tagName === 'A') {\n    event.preventDefault()\n  }\n\n  const $trigger = $(this)\n  const selector = Util.getSelectorFromElement(this)\n  const selectors = [].slice.call(document.querySelectorAll(selector))\n\n  $(selectors).each(function () {\n    const $target = $(this)\n    const data    = $target.data(DATA_KEY)\n    const config  = data ? 'toggle' : $trigger.data()\n    Collapse._jQueryInterface.call($target, config)\n  })\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Collapse._jQueryInterface\n$.fn[NAME].Constructor = Collapse\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Collapse._jQueryInterface\n}\n\nexport default Collapse\n"],"file":"collapse.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/dropdown.min.js b/theme/boost/amd/build/bootstrap/dropdown.min.js
index 279ced3b1c7..f03b23136fb 100644
--- a/theme/boost/amd/build/bootstrap/dropdown.min.js
+++ b/theme/boost/amd/build/bootstrap/dropdown.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/dropdown",["exports","jquery","core/popper","./util"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=e(b);c=e(c);d=e(d);function e(a){return a&&a.__esModule?a:{default:a}}function f(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){f=function(a){return typeof a}}else{f=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return f(a)}function g(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);if(b)d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable});c.push.apply(c,d)}return c}function h(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};if(b%2){g(Object(c),!0).forEach(function(b){i(a,b,c[b])})}else if(Object.getOwnPropertyDescriptors){Object.defineProperties(a,Object.getOwnPropertyDescriptors(c))}else{g(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}}return a}function i(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function j(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function k(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function l(a,b,c){if(b)k(a.prototype,b);if(c)k(a,c);return a}var m="bs.dropdown",n=".".concat(m),o=".data-api",p=b.default.fn.dropdown,q=27,r=32,s=9,t=38,u=40,v=new RegExp("".concat(t,"|").concat(u,"|").concat(q)),w="hide".concat(n),x="hidden".concat(n),y="show".concat(n),z="shown".concat(n),A="click".concat(n),B="click".concat(n).concat(o),C="keydown".concat(n).concat(o),D="keyup".concat(n).concat(o),E="disabled",F="show",G="dropdown-menu-right",H="[data-toggle=\"dropdown\"]",I=".dropdown-menu",J={offset:0,flip:!0,boundary:"scrollParent",reference:"toggle",display:"dynamic",popperConfig:null},K={offset:"(number|string|function)",flip:"boolean",boundary:"(string|element)",reference:"(string|element)",display:"string",popperConfig:"(null|object)"},L=function(){function a(b,c){j(this,a);this._element=b;this._popper=null;this._config=this._getConfig(c);this._menu=this._getMenuElement();this._inNavbar=this._detectNavbar();this._addEventListeners()}l(a,[{key:"toggle",value:function toggle(){if(this._element.disabled||(0,b.default)(this._element).hasClass(E)){return}var c=(0,b.default)(this._menu).hasClass(F);a._clearMenus();if(c){return}this.show(!0)}},{key:"show",value:function show(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:!1;if(this._element.disabled||(0,b.default)(this._element).hasClass(E)||(0,b.default)(this._menu).hasClass(F)){return}var f={relatedTarget:this._element},g=b.default.Event(y,f),h=a._getParentFromElement(this._element);(0,b.default)(h).trigger(g);if(g.isDefaultPrevented()){return}if(!this._inNavbar&&e){if("undefined"==typeof c.default){throw new TypeError("Bootstrap's dropdowns require Popper.js (https://popper.js.org/)")}var i=this._element;if("parent"===this._config.reference){i=h}else if(d.default.isElement(this._config.reference)){i=this._config.reference;if("undefined"!=typeof this._config.reference.jquery){i=this._config.reference[0]}}if("scrollParent"!==this._config.boundary){(0,b.default)(h).addClass("position-static")}this._popper=new c.default(i,this._menu,this._getPopperConfig())}if("ontouchstart"in document.documentElement&&0===(0,b.default)(h).closest(".navbar-nav").length){(0,b.default)(document.body).children().on("mouseover",null,b.default.noop)}this._element.focus();this._element.setAttribute("aria-expanded",!0);(0,b.default)(this._menu).toggleClass(F);(0,b.default)(h).toggleClass(F).trigger(b.default.Event(z,f))}},{key:"hide",value:function hide(){if(this._element.disabled||(0,b.default)(this._element).hasClass(E)||!(0,b.default)(this._menu).hasClass(F)){return}var c={relatedTarget:this._element},d=b.default.Event(w,c),e=a._getParentFromElement(this._element);(0,b.default)(e).trigger(d);if(d.isDefaultPrevented()){return}if(this._popper){this._popper.destroy()}(0,b.default)(this._menu).toggleClass(F);(0,b.default)(e).toggleClass(F).trigger(b.default.Event(x,c))}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,m);(0,b.default)(this._element).off(n);this._element=null;this._menu=null;if(null!==this._popper){this._popper.destroy();this._popper=null}}},{key:"update",value:function update(){this._inNavbar=this._detectNavbar();if(null!==this._popper){this._popper.scheduleUpdate()}}},{key:"_addEventListeners",value:function _addEventListeners(){var a=this;(0,b.default)(this._element).on(A,function(b){b.preventDefault();b.stopPropagation();a.toggle()})}},{key:"_getConfig",value:function _getConfig(a){a=h({},this.constructor.Default,{},(0,b.default)(this._element).data(),{},a);d.default.typeCheckConfig("dropdown",a,this.constructor.DefaultType);return a}},{key:"_getMenuElement",value:function _getMenuElement(){if(!this._menu){var b=a._getParentFromElement(this._element);if(b){this._menu=b.querySelector(I)}}return this._menu}},{key:"_getPlacement",value:function _getPlacement(){var a=(0,b.default)(this._element.parentNode),c="bottom-start";if(a.hasClass("dropup")){c=(0,b.default)(this._menu).hasClass(G)?"top-end":"top-start"}else if(a.hasClass("dropright")){c="right-start"}else if(a.hasClass("dropleft")){c="left-start"}else if((0,b.default)(this._menu).hasClass(G)){c="bottom-end"}return c}},{key:"_detectNavbar",value:function _detectNavbar(){return 0<(0,b.default)(this._element).closest(".navbar").length}},{key:"_getOffset",value:function _getOffset(){var a=this,b={};if("function"==typeof this._config.offset){b.fn=function(b){b.offsets=h({},b.offsets,{},a._config.offset(b.offsets,a._element)||{});return b}}else{b.offset=this._config.offset}return b}},{key:"_getPopperConfig",value:function _getPopperConfig(){var a={placement:this._getPlacement(),modifiers:{offset:this._getOffset(),flip:{enabled:this._config.flip},preventOverflow:{boundariesElement:this._config.boundary}}};if("static"===this._config.display){a.modifiers.applyStyle={enabled:!1}}return h({},a,{},this._config.popperConfig)}}],[{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this).data(m),e="object"===f(c)?c:null;if(!d){d=new a(this,e);(0,b.default)(this).data(m,d)}if("string"==typeof c){if("undefined"==typeof d[c]){throw new TypeError("No method named \"".concat(c,"\""))}d[c]()}})}},{key:"_clearMenus",value:function _clearMenus(c){if(c&&(c.which===3||"keyup"===c.type&&c.which!==s)){return}for(var d=[].slice.call(document.querySelectorAll(H)),e=0,f=d.length;e<f;e++){var g=a._getParentFromElement(d[e]),h=(0,b.default)(d[e]).data(m),j={relatedTarget:d[e]};if(c&&"click"===c.type){j.clickEvent=c}if(!h){continue}var k=h._menu;if(!(0,b.default)(g).hasClass(F)){continue}if(c&&("click"===c.type&&/input|textarea/i.test(c.target.tagName)||"keyup"===c.type&&c.which===s)&&b.default.contains(g,c.target)){continue}var l=b.default.Event(w,j);(0,b.default)(g).trigger(l);if(l.isDefaultPrevented()){continue}if("ontouchstart"in document.documentElement){(0,b.default)(document.body).children().off("mouseover",null,b.default.noop)}d[e].setAttribute("aria-expanded","false");if(h._popper){h._popper.destroy()}(0,b.default)(k).removeClass(F);(0,b.default)(g).removeClass(F).trigger(b.default.Event(x,j))}}},{key:"_getParentFromElement",value:function _getParentFromElement(a){var b,c=d.default.getSelectorFromElement(a);if(c){b=document.querySelector(c)}return b||a.parentNode}},{key:"_dataApiKeydownHandler",value:function _dataApiKeydownHandler(c){if(/input|textarea/i.test(c.target.tagName)?c.which===r||c.which!==q&&(c.which!==u&&c.which!==t||(0,b.default)(c.target).closest(I).length):!v.test(c.which)){return}if(this.disabled||(0,b.default)(this).hasClass(E)){return}var d=a._getParentFromElement(this),e=(0,b.default)(d).hasClass(F);if(!e&&c.which===q){return}c.preventDefault();c.stopPropagation();if(!e||e&&(c.which===q||c.which===r)){if(c.which===q){(0,b.default)(d.querySelector(H)).trigger("focus")}(0,b.default)(this).trigger("click");return}var f=[].slice.call(d.querySelectorAll(".dropdown-menu .dropdown-item:not(.disabled):not(:disabled)")).filter(function(a){return(0,b.default)(a).is(":visible")});if(0===f.length){return}var g=f.indexOf(c.target);if(c.which===t&&0<g){g--}if(c.which===u&&g<f.length-1){g++}if(0>g){g=0}f[g].focus()}},{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return J}},{key:"DefaultType",get:function get(){return K}}]);return a}();(0,b.default)(document).on(C,H,L._dataApiKeydownHandler).on(C,I,L._dataApiKeydownHandler).on("".concat(B," ").concat(D),L._clearMenus).on(B,H,function(a){a.preventDefault();a.stopPropagation();L._jQueryInterface.call((0,b.default)(this),"toggle")}).on(B,".dropdown form",function(a){a.stopPropagation()});b.default.fn.dropdown=L._jQueryInterface;b.default.fn.dropdown.Constructor=L;b.default.fn.dropdown.noConflict=function(){b.default.fn.dropdown=p;return L._jQueryInterface};a.default=L;return a.default});
+define ("theme_boost/bootstrap/dropdown",["exports","jquery","core/popper","./util"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=e(b);c=e(c);d=e(d);function e(a){return a&&a.__esModule?a:{default:a}}function f(a){"@babel/helpers - typeof";return f="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},f(a)}function g(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function h(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?g(Object(c),!0).forEach(function(b){i(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):g(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function i(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function j(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function k(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function l(a,b,c){if(b)k(a.prototype,b);if(c)k(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var m="bs.dropdown",n=".".concat(m),o=".data-api",p=b.default.fn.dropdown,q=27,r=32,s=9,t=38,u=40,v=new RegExp("".concat(t,"|").concat(u,"|").concat(q)),w="hide".concat(n),x="hidden".concat(n),y="show".concat(n),z="shown".concat(n),A="click".concat(n),B="click".concat(n).concat(o),C="keydown".concat(n).concat(o),D="keyup".concat(n).concat(o),E="disabled",F="show",G="dropdown-menu-right",H="[data-toggle=\"dropdown\"]",I=".dropdown-menu",J={offset:0,flip:!0,boundary:"scrollParent",reference:"toggle",display:"dynamic",popperConfig:null},K={offset:"(number|string|function)",flip:"boolean",boundary:"(string|element)",reference:"(string|element)",display:"string",popperConfig:"(null|object)"},L=function(){function a(b,c){j(this,a);this._element=b;this._popper=null;this._config=this._getConfig(c);this._menu=this._getMenuElement();this._inNavbar=this._detectNavbar();this._addEventListeners()}l(a,[{key:"toggle",value:function toggle(){if(this._element.disabled||(0,b.default)(this._element).hasClass(E)){return}var c=(0,b.default)(this._menu).hasClass(F);a._clearMenus();if(c){return}this.show(!0)}},{key:"show",value:function show(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:!1;if(this._element.disabled||(0,b.default)(this._element).hasClass(E)||(0,b.default)(this._menu).hasClass(F)){return}var f={relatedTarget:this._element},g=b.default.Event(y,f),h=a._getParentFromElement(this._element);(0,b.default)(h).trigger(g);if(g.isDefaultPrevented()){return}if(!this._inNavbar&&e){if("undefined"==typeof c.default){throw new TypeError("Bootstrap's dropdowns require Popper.js (https://popper.js.org/)")}var i=this._element;if("parent"===this._config.reference){i=h}else if(d.default.isElement(this._config.reference)){i=this._config.reference;if("undefined"!=typeof this._config.reference.jquery){i=this._config.reference[0]}}if("scrollParent"!==this._config.boundary){(0,b.default)(h).addClass("position-static")}this._popper=new c.default(i,this._menu,this._getPopperConfig())}if("ontouchstart"in 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diff --git a/theme/boost/amd/build/bootstrap/dropdown.min.js.map b/theme/boost/amd/build/bootstrap/dropdown.min.js.map
index f6df14ff1ba..69875bbb7d7 100644
--- a/theme/boost/amd/build/bootstrap/dropdown.min.js.map
+++ b/theme/boost/amd/build/bootstrap/dropdown.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Popper from 'core/popper'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                     = 'dropdown'\nconst VERSION                  = '4.5.0'\nconst DATA_KEY                 = 'bs.dropdown'\nconst EVENT_KEY                = `.${DATA_KEY}`\nconst DATA_API_KEY             = '.data-api'\nconst JQUERY_NO_CONFLICT       = $.fn[NAME]\nconst ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\nconst SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key\nconst TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key\nconst ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\nconst ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\nconst RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\nconst REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\nconst EVENT_HIDE             = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN           = `hidden${EVENT_KEY}`\nconst EVENT_SHOW             = `show${EVENT_KEY}`\nconst EVENT_SHOWN            = `shown${EVENT_KEY}`\nconst EVENT_CLICK            = `click${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API   = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYDOWN_DATA_API = `keydown${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYUP_DATA_API   = `keyup${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DISABLED        = 'disabled'\nconst CLASS_NAME_SHOW            = 'show'\nconst CLASS_NAME_DROPUP          = 'dropup'\nconst CLASS_NAME_DROPRIGHT       = 'dropright'\nconst CLASS_NAME_DROPLEFT        = 'dropleft'\nconst CLASS_NAME_MENURIGHT       = 'dropdown-menu-right'\nconst CLASS_NAME_POSITION_STATIC = 'position-static'\n\nconst SELECTOR_DATA_TOGGLE   = '[data-toggle=\"dropdown\"]'\nconst SELECTOR_FORM_CHILD    = '.dropdown form'\nconst SELECTOR_MENU          = '.dropdown-menu'\nconst SELECTOR_NAVBAR_NAV    = '.navbar-nav'\nconst SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'\n\nconst PLACEMENT_TOP       = 'top-start'\nconst PLACEMENT_TOPEND    = 'top-end'\nconst PLACEMENT_BOTTOM    = 'bottom-start'\nconst PLACEMENT_BOTTOMEND = 'bottom-end'\nconst PLACEMENT_RIGHT     = 'right-start'\nconst PLACEMENT_LEFT      = 'left-start'\n\nconst Default = {\n  offset       : 0,\n  flip         : true,\n  boundary     : 'scrollParent',\n  reference    : 'toggle',\n  display      : 'dynamic',\n  popperConfig : null\n}\n\nconst DefaultType = {\n  offset       : '(number|string|function)',\n  flip         : 'boolean',\n  boundary     : '(string|element)',\n  reference    : '(string|element)',\n  display      : 'string',\n  popperConfig : '(null|object)'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Dropdown {\n  constructor(element, config) {\n    this._element  = element\n    this._popper   = null\n    this._config   = this._getConfig(config)\n    this._menu     = this._getMenuElement()\n    this._inNavbar = this._detectNavbar()\n\n    this._addEventListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Public\n\n  toggle() {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    const isActive = $(this._menu).hasClass(CLASS_NAME_SHOW)\n\n    Dropdown._clearMenus()\n\n    if (isActive) {\n      return\n    }\n\n    this.show(true)\n  }\n\n  show(usePopper = false) {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || $(this._menu).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const relatedTarget = {\n      relatedTarget: this._element\n    }\n    const showEvent = $.Event(EVENT_SHOW, relatedTarget)\n    const parent = Dropdown._getParentFromElement(this._element)\n\n    $(parent).trigger(showEvent)\n\n    if (showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    // Disable totally Popper.js for Dropdown in Navbar\n    if (!this._inNavbar && usePopper) {\n      /**\n       * Check for Popper dependency\n       * Popper - https://popper.js.org\n       */\n      if (typeof Popper === 'undefined') {\n        throw new TypeError('Bootstrap\\'s dropdowns require Popper.js (https://popper.js.org/)')\n      }\n\n      let referenceElement = this._element\n\n      if (this._config.reference === 'parent') {\n        referenceElement = parent\n      } else if (Util.isElement(this._config.reference)) {\n        referenceElement = this._config.reference\n\n        // Check if it's jQuery element\n        if (typeof this._config.reference.jquery !== 'undefined') {\n          referenceElement = this._config.reference[0]\n        }\n      }\n\n      // If boundary is not `scrollParent`, then set position to `static`\n      // to allow the menu to \"escape\" the scroll parent's boundaries\n      // https://github.com/twbs/bootstrap/issues/24251\n      if (this._config.boundary !== 'scrollParent') {\n        $(parent).addClass(CLASS_NAME_POSITION_STATIC)\n      }\n      this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig())\n    }\n\n    // If this is a touch-enabled device we add extra\n    // empty mouseover listeners to the body's immediate children;\n    // only needed because of broken event delegation on iOS\n    // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n    if ('ontouchstart' in document.documentElement &&\n        $(parent).closest(SELECTOR_NAVBAR_NAV).length === 0) {\n      $(document.body).children().on('mouseover', null, $.noop)\n    }\n\n    this._element.focus()\n    this._element.setAttribute('aria-expanded', true)\n\n    $(this._menu).toggleClass(CLASS_NAME_SHOW)\n    $(parent)\n      .toggleClass(CLASS_NAME_SHOW)\n      .trigger($.Event(EVENT_SHOWN, relatedTarget))\n  }\n\n  hide() {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || !$(this._menu).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const relatedTarget = {\n      relatedTarget: this._element\n    }\n    const hideEvent = $.Event(EVENT_HIDE, relatedTarget)\n    const parent = Dropdown._getParentFromElement(this._element)\n\n    $(parent).trigger(hideEvent)\n\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (this._popper) {\n      this._popper.destroy()\n    }\n\n    $(this._menu).toggleClass(CLASS_NAME_SHOW)\n    $(parent)\n      .toggleClass(CLASS_NAME_SHOW)\n      .trigger($.Event(EVENT_HIDDEN, relatedTarget))\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    $(this._element).off(EVENT_KEY)\n    this._element = null\n    this._menu = null\n    if (this._popper !== null) {\n      this._popper.destroy()\n      this._popper = null\n    }\n  }\n\n  update() {\n    this._inNavbar = this._detectNavbar()\n    if (this._popper !== null) {\n      this._popper.scheduleUpdate()\n    }\n  }\n\n  // Private\n\n  _addEventListeners() {\n    $(this._element).on(EVENT_CLICK, (event) => {\n      event.preventDefault()\n      event.stopPropagation()\n      this.toggle()\n    })\n  }\n\n  _getConfig(config) {\n    config = {\n      ...this.constructor.Default,\n      ...$(this._element).data(),\n      ...config\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    return config\n  }\n\n  _getMenuElement() {\n    if (!this._menu) {\n      const parent = Dropdown._getParentFromElement(this._element)\n\n      if (parent) {\n        this._menu = parent.querySelector(SELECTOR_MENU)\n      }\n    }\n    return this._menu\n  }\n\n  _getPlacement() {\n    const $parentDropdown = $(this._element.parentNode)\n    let placement = PLACEMENT_BOTTOM\n\n    // Handle dropup\n    if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {\n      placement = $(this._menu).hasClass(CLASS_NAME_MENURIGHT)\n        ? PLACEMENT_TOPEND\n        : PLACEMENT_TOP\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {\n      placement = PLACEMENT_RIGHT\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {\n      placement = PLACEMENT_LEFT\n    } else if ($(this._menu).hasClass(CLASS_NAME_MENURIGHT)) {\n      placement = PLACEMENT_BOTTOMEND\n    }\n    return placement\n  }\n\n  _detectNavbar() {\n    return $(this._element).closest('.navbar').length > 0\n  }\n\n  _getOffset() {\n    const offset = {}\n\n    if (typeof this._config.offset === 'function') {\n      offset.fn = (data) => {\n        data.offsets = {\n          ...data.offsets,\n          ...this._config.offset(data.offsets, this._element) || {}\n        }\n\n        return data\n      }\n    } else {\n      offset.offset = this._config.offset\n    }\n\n    return offset\n  }\n\n  _getPopperConfig() {\n    const popperConfig = {\n      placement: this._getPlacement(),\n      modifiers: {\n        offset: this._getOffset(),\n        flip: {\n          enabled: this._config.flip\n        },\n        preventOverflow: {\n          boundariesElement: this._config.boundary\n        }\n      }\n    }\n\n    // Disable Popper.js if we have a static display\n    if (this._config.display === 'static') {\n      popperConfig.modifiers.applyStyle = {\n        enabled: false\n      }\n    }\n\n    return {\n      ...popperConfig,\n      ...this._config.popperConfig\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' ? config : null\n\n      if (!data) {\n        data = new Dropdown(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n\n  static _clearMenus(event) {\n    if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||\n      event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n      return\n    }\n\n    const toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n\n    for (let i = 0, len = toggles.length; i < len; i++) {\n      const parent = Dropdown._getParentFromElement(toggles[i])\n      const context = $(toggles[i]).data(DATA_KEY)\n      const relatedTarget = {\n        relatedTarget: toggles[i]\n      }\n\n      if (event && event.type === 'click') {\n        relatedTarget.clickEvent = event\n      }\n\n      if (!context) {\n        continue\n      }\n\n      const dropdownMenu = context._menu\n      if (!$(parent).hasClass(CLASS_NAME_SHOW)) {\n        continue\n      }\n\n      if (event && (event.type === 'click' &&\n          /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) &&\n          $.contains(parent, event.target)) {\n        continue\n      }\n\n      const hideEvent = $.Event(EVENT_HIDE, relatedTarget)\n      $(parent).trigger(hideEvent)\n      if (hideEvent.isDefaultPrevented()) {\n        continue\n      }\n\n      // If this is a touch-enabled device we remove the extra\n      // empty mouseover listeners we added for iOS support\n      if ('ontouchstart' in document.documentElement) {\n        $(document.body).children().off('mouseover', null, $.noop)\n      }\n\n      toggles[i].setAttribute('aria-expanded', 'false')\n\n      if (context._popper) {\n        context._popper.destroy()\n      }\n\n      $(dropdownMenu).removeClass(CLASS_NAME_SHOW)\n      $(parent)\n        .removeClass(CLASS_NAME_SHOW)\n        .trigger($.Event(EVENT_HIDDEN, relatedTarget))\n    }\n  }\n\n  static _getParentFromElement(element) {\n    let parent\n    const selector = Util.getSelectorFromElement(element)\n\n    if (selector) {\n      parent = document.querySelector(selector)\n    }\n\n    return parent || element.parentNode\n  }\n\n  // eslint-disable-next-line complexity\n  static _dataApiKeydownHandler(event) {\n    // If not input/textarea:\n    //  - And not a key in REGEXP_KEYDOWN => not a dropdown command\n    // If input/textarea:\n    //  - If space key => not a dropdown command\n    //  - If key is other than escape\n    //    - If key is not up or down => not a dropdown command\n    //    - If trigger inside the menu => not a dropdown command\n    if (/input|textarea/i.test(event.target.tagName)\n      ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE &&\n      (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE ||\n        $(event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {\n      return\n    }\n\n    if (this.disabled || $(this).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    const parent   = Dropdown._getParentFromElement(this)\n    const isActive = $(parent).hasClass(CLASS_NAME_SHOW)\n\n    if (!isActive && event.which === ESCAPE_KEYCODE) {\n      return\n    }\n\n    event.preventDefault()\n    event.stopPropagation()\n\n    if (!isActive || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n      if (event.which === ESCAPE_KEYCODE) {\n        $(parent.querySelector(SELECTOR_DATA_TOGGLE)).trigger('focus')\n      }\n\n      $(this).trigger('click')\n      return\n    }\n\n    const items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS))\n      .filter((item) => $(item).is(':visible'))\n\n    if (items.length === 0) {\n      return\n    }\n\n    let index = items.indexOf(event.target)\n\n    if (event.which === ARROW_UP_KEYCODE && index > 0) { // Up\n      index--\n    }\n\n    if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // Down\n      index++\n    }\n\n    if (index < 0) {\n      index = 0\n    }\n\n    items[index].focus()\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown._dataApiKeydownHandler)\n  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler)\n  .on(`${EVENT_CLICK_DATA_API} ${EVENT_KEYUP_DATA_API}`, Dropdown._clearMenus)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    event.stopPropagation()\n    Dropdown._jQueryInterface.call($(this), 'toggle')\n  })\n  .on(EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, (e) => {\n    e.stopPropagation()\n  })\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Dropdown._jQueryInterface\n$.fn[NAME].Constructor = Dropdown\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Dropdown._jQueryInterface\n}\n\nexport default Dropdown\n"],"file":"dropdown.min.js"}
\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Popper from 'core/popper'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                     = 'dropdown'\nconst VERSION                  = '4.5.0'\nconst DATA_KEY                 = 'bs.dropdown'\nconst EVENT_KEY                = `.${DATA_KEY}`\nconst DATA_API_KEY             = '.data-api'\nconst JQUERY_NO_CONFLICT       = $.fn[NAME]\nconst ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\nconst SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key\nconst TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key\nconst ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\nconst ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\nconst RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\nconst REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\nconst EVENT_HIDE             = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN           = `hidden${EVENT_KEY}`\nconst EVENT_SHOW             = `show${EVENT_KEY}`\nconst EVENT_SHOWN            = `shown${EVENT_KEY}`\nconst EVENT_CLICK            = `click${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API   = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYDOWN_DATA_API = `keydown${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYUP_DATA_API   = `keyup${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DISABLED        = 'disabled'\nconst CLASS_NAME_SHOW            = 'show'\nconst CLASS_NAME_DROPUP          = 'dropup'\nconst CLASS_NAME_DROPRIGHT       = 'dropright'\nconst CLASS_NAME_DROPLEFT        = 'dropleft'\nconst CLASS_NAME_MENURIGHT       = 'dropdown-menu-right'\nconst CLASS_NAME_POSITION_STATIC = 'position-static'\n\nconst SELECTOR_DATA_TOGGLE   = '[data-toggle=\"dropdown\"]'\nconst SELECTOR_FORM_CHILD    = '.dropdown form'\nconst SELECTOR_MENU          = '.dropdown-menu'\nconst SELECTOR_NAVBAR_NAV    = '.navbar-nav'\nconst SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'\n\nconst PLACEMENT_TOP       = 'top-start'\nconst PLACEMENT_TOPEND    = 'top-end'\nconst PLACEMENT_BOTTOM    = 'bottom-start'\nconst PLACEMENT_BOTTOMEND = 'bottom-end'\nconst PLACEMENT_RIGHT     = 'right-start'\nconst PLACEMENT_LEFT      = 'left-start'\n\nconst Default = {\n  offset       : 0,\n  flip         : true,\n  boundary     : 'scrollParent',\n  reference    : 'toggle',\n  display      : 'dynamic',\n  popperConfig : null\n}\n\nconst DefaultType = {\n  offset       : '(number|string|function)',\n  flip         : 'boolean',\n  boundary     : '(string|element)',\n  reference    : '(string|element)',\n  display      : 'string',\n  popperConfig : '(null|object)'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Dropdown {\n  constructor(element, config) {\n    this._element  = element\n    this._popper   = null\n    this._config   = this._getConfig(config)\n    this._menu     = this._getMenuElement()\n    this._inNavbar = this._detectNavbar()\n\n    this._addEventListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Public\n\n  toggle() {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    const isActive = $(this._menu).hasClass(CLASS_NAME_SHOW)\n\n    Dropdown._clearMenus()\n\n    if (isActive) {\n      return\n    }\n\n    this.show(true)\n  }\n\n  show(usePopper = false) {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || $(this._menu).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const relatedTarget = {\n      relatedTarget: this._element\n    }\n    const showEvent = $.Event(EVENT_SHOW, relatedTarget)\n    const parent = Dropdown._getParentFromElement(this._element)\n\n    $(parent).trigger(showEvent)\n\n    if (showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    // Disable totally Popper.js for Dropdown in Navbar\n    if (!this._inNavbar && usePopper) {\n      /**\n       * Check for Popper dependency\n       * Popper - https://popper.js.org\n       */\n      if (typeof Popper === 'undefined') {\n        throw new TypeError('Bootstrap\\'s dropdowns require Popper.js (https://popper.js.org/)')\n      }\n\n      let referenceElement = this._element\n\n      if (this._config.reference === 'parent') {\n        referenceElement = parent\n      } else if (Util.isElement(this._config.reference)) {\n        referenceElement = this._config.reference\n\n        // Check if it's jQuery element\n        if (typeof this._config.reference.jquery !== 'undefined') {\n          referenceElement = this._config.reference[0]\n        }\n      }\n\n      // If boundary is not `scrollParent`, then set position to `static`\n      // to allow the menu to \"escape\" the scroll parent's boundaries\n      // https://github.com/twbs/bootstrap/issues/24251\n      if (this._config.boundary !== 'scrollParent') {\n        $(parent).addClass(CLASS_NAME_POSITION_STATIC)\n      }\n      this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig())\n    }\n\n    // If this is a touch-enabled device we add extra\n    // empty mouseover listeners to the body's immediate children;\n    // only needed because of broken event delegation on iOS\n    // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n    if ('ontouchstart' in document.documentElement &&\n        $(parent).closest(SELECTOR_NAVBAR_NAV).length === 0) {\n      $(document.body).children().on('mouseover', null, $.noop)\n    }\n\n    this._element.focus()\n    this._element.setAttribute('aria-expanded', true)\n\n    $(this._menu).toggleClass(CLASS_NAME_SHOW)\n    $(parent)\n      .toggleClass(CLASS_NAME_SHOW)\n      .trigger($.Event(EVENT_SHOWN, relatedTarget))\n  }\n\n  hide() {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || !$(this._menu).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const relatedTarget = {\n      relatedTarget: this._element\n    }\n    const hideEvent = $.Event(EVENT_HIDE, relatedTarget)\n    const parent = Dropdown._getParentFromElement(this._element)\n\n    $(parent).trigger(hideEvent)\n\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (this._popper) {\n      this._popper.destroy()\n    }\n\n    $(this._menu).toggleClass(CLASS_NAME_SHOW)\n    $(parent)\n      .toggleClass(CLASS_NAME_SHOW)\n      .trigger($.Event(EVENT_HIDDEN, relatedTarget))\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    $(this._element).off(EVENT_KEY)\n    this._element = null\n    this._menu = null\n    if (this._popper !== null) {\n      this._popper.destroy()\n      this._popper = null\n    }\n  }\n\n  update() {\n    this._inNavbar = this._detectNavbar()\n    if (this._popper !== null) {\n      this._popper.scheduleUpdate()\n    }\n  }\n\n  // Private\n\n  _addEventListeners() {\n    $(this._element).on(EVENT_CLICK, (event) => {\n      event.preventDefault()\n      event.stopPropagation()\n      this.toggle()\n    })\n  }\n\n  _getConfig(config) {\n    config = {\n      ...this.constructor.Default,\n      ...$(this._element).data(),\n      ...config\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    return config\n  }\n\n  _getMenuElement() {\n    if (!this._menu) {\n      const parent = Dropdown._getParentFromElement(this._element)\n\n      if (parent) {\n        this._menu = parent.querySelector(SELECTOR_MENU)\n      }\n    }\n    return this._menu\n  }\n\n  _getPlacement() {\n    const $parentDropdown = $(this._element.parentNode)\n    let placement = PLACEMENT_BOTTOM\n\n    // Handle dropup\n    if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {\n      placement = $(this._menu).hasClass(CLASS_NAME_MENURIGHT)\n        ? PLACEMENT_TOPEND\n        : PLACEMENT_TOP\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {\n      placement = PLACEMENT_RIGHT\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {\n      placement = PLACEMENT_LEFT\n    } else if ($(this._menu).hasClass(CLASS_NAME_MENURIGHT)) {\n      placement = PLACEMENT_BOTTOMEND\n    }\n    return placement\n  }\n\n  _detectNavbar() {\n    return $(this._element).closest('.navbar').length > 0\n  }\n\n  _getOffset() {\n    const offset = {}\n\n    if (typeof this._config.offset === 'function') {\n      offset.fn = (data) => {\n        data.offsets = {\n          ...data.offsets,\n          ...this._config.offset(data.offsets, this._element) || {}\n        }\n\n        return data\n      }\n    } else {\n      offset.offset = this._config.offset\n    }\n\n    return offset\n  }\n\n  _getPopperConfig() {\n    const popperConfig = {\n      placement: this._getPlacement(),\n      modifiers: {\n        offset: this._getOffset(),\n        flip: {\n          enabled: this._config.flip\n        },\n        preventOverflow: {\n          boundariesElement: this._config.boundary\n        }\n      }\n    }\n\n    // Disable Popper.js if we have a static display\n    if (this._config.display === 'static') {\n      popperConfig.modifiers.applyStyle = {\n        enabled: false\n      }\n    }\n\n    return {\n      ...popperConfig,\n      ...this._config.popperConfig\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' ? config : null\n\n      if (!data) {\n        data = new Dropdown(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n\n  static _clearMenus(event) {\n    if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||\n      event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n      return\n    }\n\n    const toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n\n    for (let i = 0, len = toggles.length; i < len; i++) {\n      const parent = Dropdown._getParentFromElement(toggles[i])\n      const context = $(toggles[i]).data(DATA_KEY)\n      const relatedTarget = {\n        relatedTarget: toggles[i]\n      }\n\n      if (event && event.type === 'click') {\n        relatedTarget.clickEvent = event\n      }\n\n      if (!context) {\n        continue\n      }\n\n      const dropdownMenu = context._menu\n      if (!$(parent).hasClass(CLASS_NAME_SHOW)) {\n        continue\n      }\n\n      if (event && (event.type === 'click' &&\n          /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) &&\n          $.contains(parent, event.target)) {\n        continue\n      }\n\n      const hideEvent = $.Event(EVENT_HIDE, relatedTarget)\n      $(parent).trigger(hideEvent)\n      if (hideEvent.isDefaultPrevented()) {\n        continue\n      }\n\n      // If this is a touch-enabled device we remove the extra\n      // empty mouseover listeners we added for iOS support\n      if ('ontouchstart' in document.documentElement) {\n        $(document.body).children().off('mouseover', null, $.noop)\n      }\n\n      toggles[i].setAttribute('aria-expanded', 'false')\n\n      if (context._popper) {\n        context._popper.destroy()\n      }\n\n      $(dropdownMenu).removeClass(CLASS_NAME_SHOW)\n      $(parent)\n        .removeClass(CLASS_NAME_SHOW)\n        .trigger($.Event(EVENT_HIDDEN, relatedTarget))\n    }\n  }\n\n  static _getParentFromElement(element) {\n    let parent\n    const selector = Util.getSelectorFromElement(element)\n\n    if (selector) {\n      parent = document.querySelector(selector)\n    }\n\n    return parent || element.parentNode\n  }\n\n  // eslint-disable-next-line complexity\n  static _dataApiKeydownHandler(event) {\n    // If not input/textarea:\n    //  - And not a key in REGEXP_KEYDOWN => not a dropdown command\n    // If input/textarea:\n    //  - If space key => not a dropdown command\n    //  - If key is other than escape\n    //    - If key is not up or down => not a dropdown command\n    //    - If trigger inside the menu => not a dropdown command\n    if (/input|textarea/i.test(event.target.tagName)\n      ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE &&\n      (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE ||\n        $(event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {\n      return\n    }\n\n    if (this.disabled || $(this).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    const parent   = Dropdown._getParentFromElement(this)\n    const isActive = $(parent).hasClass(CLASS_NAME_SHOW)\n\n    if (!isActive && event.which === ESCAPE_KEYCODE) {\n      return\n    }\n\n    event.preventDefault()\n    event.stopPropagation()\n\n    if (!isActive || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n      if (event.which === ESCAPE_KEYCODE) {\n        $(parent.querySelector(SELECTOR_DATA_TOGGLE)).trigger('focus')\n      }\n\n      $(this).trigger('click')\n      return\n    }\n\n    const items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS))\n      .filter((item) => $(item).is(':visible'))\n\n    if (items.length === 0) {\n      return\n    }\n\n    let index = items.indexOf(event.target)\n\n    if (event.which === ARROW_UP_KEYCODE && index > 0) { // Up\n      index--\n    }\n\n    if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // Down\n      index++\n    }\n\n    if (index < 0) {\n      index = 0\n    }\n\n    items[index].focus()\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown._dataApiKeydownHandler)\n  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler)\n  .on(`${EVENT_CLICK_DATA_API} ${EVENT_KEYUP_DATA_API}`, Dropdown._clearMenus)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    event.stopPropagation()\n    Dropdown._jQueryInterface.call($(this), 'toggle')\n  })\n  .on(EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, (e) => {\n    e.stopPropagation()\n  })\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Dropdown._jQueryInterface\n$.fn[NAME].Constructor = Dropdown\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Dropdown._jQueryInterface\n}\n\nexport default Dropdown\n"],"file":"dropdown.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/modal.min.js b/theme/boost/amd/build/bootstrap/modal.min.js
index b1cb5969c80..8e176042d76 100644
--- a/theme/boost/amd/build/bootstrap/modal.min.js
+++ b/theme/boost/amd/build/bootstrap/modal.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/modal",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){e=function(a){return typeof a}}else{e=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return e(a)}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);if(b)d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable});c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};if(b%2){f(Object(c),!0).forEach(function(b){h(a,b,c[b])})}else if(Object.getOwnPropertyDescriptors){Object.defineProperties(a,Object.getOwnPropertyDescriptors(c))}else{f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function i(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function j(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function k(a,b,c){if(b)j(a.prototype,b);if(c)j(a,c);return a}var l="bs.modal",m=".".concat(l),n=b.default.fn.modal,o=27,p={backdrop:!0,keyboard:!0,focus:!0,show:!0},q={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},r="hide".concat(m),s="hidePrevented".concat(m),t="hidden".concat(m),u="show".concat(m),v="shown".concat(m),w="focusin".concat(m),x="resize".concat(m),y="click.dismiss".concat(m),z="keydown.dismiss".concat(m),A="mouseup.dismiss".concat(m),B="mousedown.dismiss".concat(m),C="click".concat(m).concat(".data-api"),D="modal-open",E="fade",F="show",G="modal-static",H=".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",I=".sticky-top",J=function(){function a(b,c){i(this,a);this._config=this._getConfig(c);this._element=b;this._dialog=b.querySelector(".modal-dialog");this._backdrop=null;this._isShown=!1;this._isBodyOverflowing=!1;this._ignoreBackdropClick=!1;this._isTransitioning=!1;this._scrollbarWidth=0}k(a,[{key:"toggle",value:function toggle(a){return this._isShown?this.hide():this.show(a)}},{key:"show",value:function show(a){var c=this;if(this._isShown||this._isTransitioning){return}if((0,b.default)(this._element).hasClass(E)){this._isTransitioning=!0}var d=b.default.Event(u,{relatedTarget:a});(0,b.default)(this._element).trigger(d);if(this._isShown||d.isDefaultPrevented()){return}this._isShown=!0;this._checkScrollbar();this._setScrollbar();this._adjustDialog();this._setEscapeEvent();this._setResizeEvent();(0,b.default)(this._element).on(y,"[data-dismiss=\"modal\"]",function(a){return c.hide(a)});(0,b.default)(this._dialog).on(B,function(){(0,b.default)(c._element).one(A,function(a){if((0,b.default)(a.target).is(c._element)){c._ignoreBackdropClick=!0}})});this._showBackdrop(function(){return c._showElement(a)})}},{key:"hide",value:function hide(a){var d=this;if(a){a.preventDefault()}if(!this._isShown||this._isTransitioning){return}var e=b.default.Event(r);(0,b.default)(this._element).trigger(e);if(!this._isShown||e.isDefaultPrevented()){return}this._isShown=!1;var f=(0,b.default)(this._element).hasClass(E);if(f){this._isTransitioning=!0}this._setEscapeEvent();this._setResizeEvent();(0,b.default)(document).off(w);(0,b.default)(this._element).removeClass(F);(0,b.default)(this._element).off(y);(0,b.default)(this._dialog).off(B);if(f){var g=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,function(a){return d._hideModal(a)}).emulateTransitionEnd(g)}else{this._hideModal()}}},{key:"dispose",value:function dispose(){[window,this._element,this._dialog].forEach(function(a){return(0,b.default)(a).off(m)});(0,b.default)(document).off(w);b.default.removeData(this._element,l);this._config=null;this._element=null;this._dialog=null;this._backdrop=null;this._isShown=null;this._isBodyOverflowing=null;this._ignoreBackdropClick=null;this._isTransitioning=null;this._scrollbarWidth=null}},{key:"handleUpdate",value:function handleUpdate(){this._adjustDialog()}},{key:"_getConfig",value:function _getConfig(a){a=g({},p,{},a);c.default.typeCheckConfig("modal",a,q);return a}},{key:"_triggerBackdropTransition",value:function _triggerBackdropTransition(){var a=this;if("static"===this._config.backdrop){var d=b.default.Event(s);(0,b.default)(this._element).trigger(d);if(d.defaultPrevented){return}this._element.classList.add(G);var e=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,function(){a._element.classList.remove(G)}).emulateTransitionEnd(e);this._element.focus()}else{this.hide()}}},{key:"_showElement",value:function _showElement(a){var d=this,e=(0,b.default)(this._element).hasClass(E),f=this._dialog?this._dialog.querySelector(".modal-body"):null;if(!this._element.parentNode||this._element.parentNode.nodeType!==Node.ELEMENT_NODE){document.body.appendChild(this._element)}this._element.style.display="block";this._element.removeAttribute("aria-hidden");this._element.setAttribute("aria-modal",!0);if((0,b.default)(this._dialog).hasClass("modal-dialog-scrollable")&&f){f.scrollTop=0}else{this._element.scrollTop=0}if(e){c.default.reflow(this._element)}(0,b.default)(this._element).addClass(F);if(this._config.focus){this._enforceFocus()}var g=b.default.Event(v,{relatedTarget:a}),h=function(){if(d._config.focus){d._element.focus()}d._isTransitioning=!1;(0,b.default)(d._element).trigger(g)};if(e){var i=c.default.getTransitionDurationFromElement(this._dialog);(0,b.default)(this._dialog).one(c.default.TRANSITION_END,h).emulateTransitionEnd(i)}else{h()}}},{key:"_enforceFocus",value:function _enforceFocus(){var a=this;(0,b.default)(document).off(w).on(w,function(c){if(document!==c.target&&a._element!==c.target&&0===(0,b.default)(a._element).has(c.target).length){a._element.focus()}})}},{key:"_setEscapeEvent",value:function _setEscapeEvent(){var a=this;if(this._isShown){(0,b.default)(this._element).on(z,function(b){if(a._config.keyboard&&b.which===o){b.preventDefault();a.hide()}else if(!a._config.keyboard&&b.which===o){a._triggerBackdropTransition()}})}else if(!this._isShown){(0,b.default)(this._element).off(z)}}},{key:"_setResizeEvent",value:function _setResizeEvent(){var a=this;if(this._isShown){(0,b.default)(window).on(x,function(b){return a.handleUpdate(b)})}else{(0,b.default)(window).off(x)}}},{key:"_hideModal",value:function _hideModal(){var a=this;this._element.style.display="none";this._element.setAttribute("aria-hidden",!0);this._element.removeAttribute("aria-modal");this._isTransitioning=!1;this._showBackdrop(function(){(0,b.default)(document.body).removeClass(D);a._resetAdjustments();a._resetScrollbar();(0,b.default)(a._element).trigger(t)})}},{key:"_removeBackdrop",value:function _removeBackdrop(){if(this._backdrop){(0,b.default)(this._backdrop).remove();this._backdrop=null}}},{key:"_showBackdrop",value:function _showBackdrop(a){var d=this,e=(0,b.default)(this._element).hasClass(E)?E:"";if(this._isShown&&this._config.backdrop){this._backdrop=document.createElement("div");this._backdrop.className="modal-backdrop";if(e){this._backdrop.classList.add(e)}(0,b.default)(this._backdrop).appendTo(document.body);(0,b.default)(this._element).on(y,function(a){if(d._ignoreBackdropClick){d._ignoreBackdropClick=!1;return}if(a.target!==a.currentTarget){return}d._triggerBackdropTransition()});if(e){c.default.reflow(this._backdrop)}(0,b.default)(this._backdrop).addClass(F);if(!a){return}if(!e){a();return}var f=c.default.getTransitionDurationFromElement(this._backdrop);(0,b.default)(this._backdrop).one(c.default.TRANSITION_END,a).emulateTransitionEnd(f)}else if(!this._isShown&&this._backdrop){(0,b.default)(this._backdrop).removeClass(F);var g=function(){d._removeBackdrop();if(a){a()}};if((0,b.default)(this._element).hasClass(E)){var h=c.default.getTransitionDurationFromElement(this._backdrop);(0,b.default)(this._backdrop).one(c.default.TRANSITION_END,g).emulateTransitionEnd(h)}else{g()}}else if(a){a()}}},{key:"_adjustDialog",value:function _adjustDialog(){var a=this._element.scrollHeight>document.documentElement.clientHeight;if(!this._isBodyOverflowing&&a){this._element.style.paddingLeft="".concat(this._scrollbarWidth,"px")}if(this._isBodyOverflowing&&!a){this._element.style.paddingRight="".concat(this._scrollbarWidth,"px")}}},{key:"_resetAdjustments",value:function _resetAdjustments(){this._element.style.paddingLeft="";this._element.style.paddingRight=""}},{key:"_checkScrollbar",value:function _checkScrollbar(){var a=document.body.getBoundingClientRect();this._isBodyOverflowing=Math.round(a.left+a.right)<window.innerWidth;this._scrollbarWidth=this._getScrollbarWidth()}},{key:"_setScrollbar",value:function _setScrollbar(){var a=this;if(this._isBodyOverflowing){var c=[].slice.call(document.querySelectorAll(H)),d=[].slice.call(document.querySelectorAll(I));(0,b.default)(c).each(function(c,d){var e=d.style.paddingRight,f=(0,b.default)(d).css("padding-right");(0,b.default)(d).data("padding-right",e).css("padding-right","".concat(parseFloat(f)+a._scrollbarWidth,"px"))});(0,b.default)(d).each(function(c,d){var e=d.style.marginRight,f=(0,b.default)(d).css("margin-right");(0,b.default)(d).data("margin-right",e).css("margin-right","".concat(parseFloat(f)-a._scrollbarWidth,"px"))});var e=document.body.style.paddingRight,f=(0,b.default)(document.body).css("padding-right");(0,b.default)(document.body).data("padding-right",e).css("padding-right","".concat(parseFloat(f)+this._scrollbarWidth,"px"))}(0,b.default)(document.body).addClass(D)}},{key:"_resetScrollbar",value:function _resetScrollbar(){var a=[].slice.call(document.querySelectorAll(H));(0,b.default)(a).each(function(a,c){var d=(0,b.default)(c).data("padding-right");(0,b.default)(c).removeData("padding-right");c.style.paddingRight=d?d:""});var c=[].slice.call(document.querySelectorAll("".concat(I)));(0,b.default)(c).each(function(a,c){var d=(0,b.default)(c).data("margin-right");if("undefined"!=typeof d){(0,b.default)(c).css("margin-right",d).removeData("margin-right")}});var d=(0,b.default)(document.body).data("padding-right");(0,b.default)(document.body).removeData("padding-right");document.body.style.paddingRight=d?d:""}},{key:"_getScrollbarWidth",value:function _getScrollbarWidth(){var a=document.createElement("div");a.className="modal-scrollbar-measure";document.body.appendChild(a);var b=a.getBoundingClientRect().width-a.clientWidth;document.body.removeChild(a);return b}}],[{key:"_jQueryInterface",value:function _jQueryInterface(c,d){return this.each(function(){var f=(0,b.default)(this).data(l),h=g({},p,{},(0,b.default)(this).data(),{},"object"===e(c)&&c?c:{});if(!f){f=new a(this,h);(0,b.default)(this).data(l,f)}if("string"==typeof c){if("undefined"==typeof f[c]){throw new TypeError("No method named \"".concat(c,"\""))}f[c](d)}else if(h.show){f.show(d)}})}},{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return p}}]);return a}();(0,b.default)(document).on(C,"[data-toggle=\"modal\"]",function(a){var d=this,e,f=c.default.getSelectorFromElement(this);if(f){e=document.querySelector(f)}var h=(0,b.default)(e).data(l)?"toggle":g({},(0,b.default)(e).data(),{},(0,b.default)(this).data());if("A"===this.tagName||"AREA"===this.tagName){a.preventDefault()}var i=(0,b.default)(e).one(u,function(a){if(a.isDefaultPrevented()){return}i.one(t,function(){if((0,b.default)(d).is(":visible")){d.focus()}})});J._jQueryInterface.call((0,b.default)(e),h,this)});b.default.fn.modal=J._jQueryInterface;b.default.fn.modal.Constructor=J;b.default.fn.modal.noConflict=function(){b.default.fn.modal=n;return J._jQueryInterface};a.default=J;return a.default});
+define ("theme_boost/bootstrap/modal",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";return e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e(a)}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function g(a){for(var 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l="bs.modal",m=".".concat(l),n=b.default.fn.modal,o=27,p={backdrop:!0,keyboard:!0,focus:!0,show:!0},q={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},r="hide".concat(m),s="hidePrevented".concat(m),t="hidden".concat(m),u="show".concat(m),v="shown".concat(m),w="focusin".concat(m),x="resize".concat(m),y="click.dismiss".concat(m),z="keydown.dismiss".concat(m),A="mouseup.dismiss".concat(m),B="mousedown.dismiss".concat(m),C="click".concat(m).concat(".data-api"),D="modal-open",E="fade",F="show",G="modal-static",H=".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",I=".sticky-top",J=function(){function a(b,c){i(this,a);this._config=this._getConfig(c);this._element=b;this._dialog=b.querySelector(".modal-dialog");this._backdrop=null;this._isShown=!1;this._isBodyOverflowing=!1;this._ignoreBackdropClick=!1;this._isTransitioning=!1;this._scrollbarWidth=0}k(a,[{key:"toggle",value:function toggle(a){return this._isShown?this.hide():this.show(a)}},{key:"show",value:function show(a){var c=this;if(this._isShown||this._isTransitioning){return}if((0,b.default)(this._element).hasClass(E)){this._isTransitioning=!0}var d=b.default.Event(u,{relatedTarget:a});(0,b.default)(this._element).trigger(d);if(this._isShown||d.isDefaultPrevented()){return}this._isShown=!0;this._checkScrollbar();this._setScrollbar();this._adjustDialog();this._setEscapeEvent();this._setResizeEvent();(0,b.default)(this._element).on(y,"[data-dismiss=\"modal\"]",function(a){return c.hide(a)});(0,b.default)(this._dialog).on(B,function(){(0,b.default)(c._element).one(A,function(a){if((0,b.default)(a.target).is(c._element)){c._ignoreBackdropClick=!0}})});this._showBackdrop(function(){return c._showElement(a)})}},{key:"hide",value:function hide(a){var d=this;if(a){a.preventDefault()}if(!this._isShown||this._isTransitioning){return}var e=b.default.Event(r);(0,b.default)(this._element).trigger(e);if(!this._isShown||e.isDefaultPrevented()){return}this._isShown=!1;var f=(0,b.default)(this._element).hasClass(E);if(f){this._isTransitioning=!0}this._setEscapeEvent();this._setResizeEvent();(0,b.default)(document).off(w);(0,b.default)(this._element).removeClass(F);(0,b.default)(this._element).off(y);(0,b.default)(this._dialog).off(B);if(f){var g=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,function(a){return d._hideModal(a)}).emulateTransitionEnd(g)}else{this._hideModal()}}},{key:"dispose",value:function dispose(){[window,this._element,this._dialog].forEach(function(a){return(0,b.default)(a).off(m)});(0,b.default)(document).off(w);b.default.removeData(this._element,l);this._config=null;this._element=null;this._dialog=null;this._backdrop=null;this._isShown=null;this._isBodyOverflowing=null;this._ignoreBackdropClick=null;this._isTransitioning=null;this._scrollbarWidth=null}},{key:"handleUpdate",value:function handleUpdate(){this._adjustDialog()}},{key:"_getConfig",value:function _getConfig(a){a=g(g({},p),a);c.default.typeCheckConfig("modal",a,q);return a}},{key:"_triggerBackdropTransition",value:function _triggerBackdropTransition(){var a=this;if("static"===this._config.backdrop){var d=b.default.Event(s);(0,b.default)(this._element).trigger(d);if(d.defaultPrevented){return}this._element.classList.add(G);var e=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,function(){a._element.classList.remove(G)}).emulateTransitionEnd(e);this._element.focus()}else{this.hide()}}},{key:"_showElement",value:function _showElement(a){var d=this,e=(0,b.default)(this._element).hasClass(E),f=this._dialog?this._dialog.querySelector(".modal-body"):null;if(!this._element.parentNode||this._element.parentNode.nodeType!==Node.ELEMENT_NODE){document.body.appendChild(this._element)}this._element.style.display="block";this._element.removeAttribute("aria-hidden");this._element.setAttribute("aria-modal",!0);if((0,b.default)(this._dialog).hasClass("modal-dialog-scrollable")&&f){f.scrollTop=0}else{this._element.scrollTop=0}if(e){c.default.reflow(this._element)}(0,b.default)(this._element).addClass(F);if(this._config.focus){this._enforceFocus()}var g=b.default.Event(v,{relatedTarget:a}),h=function(){if(d._config.focus){d._element.focus()}d._isTransitioning=!1;(0,b.default)(d._element).trigger(g)};if(e){var i=c.default.getTransitionDurationFromElement(this._dialog);(0,b.default)(this._dialog).one(c.default.TRANSITION_END,h).emulateTransitionEnd(i)}else{h()}}},{key:"_enforceFocus",value:function _enforceFocus(){var a=this;(0,b.default)(document).off(w).on(w,function(c){if(document!==c.target&&a._element!==c.target&&0===(0,b.default)(a._element).has(c.target).length){a._element.focus()}})}},{key:"_setEscapeEvent",value:function _setEscapeEvent(){var a=this;if(this._isShown){(0,b.default)(this._element).on(z,function(b){if(a._config.keyboard&&b.which===o){b.preventDefault();a.hide()}else if(!a._config.keyboard&&b.which===o){a._triggerBackdropTransition()}})}else if(!this._isShown){(0,b.default)(this._element).off(z)}}},{key:"_setResizeEvent",value:function _setResizeEvent(){var a=this;if(this._isShown){(0,b.default)(window).on(x,function(b){return a.handleUpdate(b)})}else{(0,b.default)(window).off(x)}}},{key:"_hideModal",value:function _hideModal(){var a=this;this._element.style.display="none";this._element.setAttribute("aria-hidden",!0);this._element.removeAttribute("aria-modal");this._isTransitioning=!1;this._showBackdrop(function(){(0,b.default)(document.body).removeClass(D);a._resetAdjustments();a._resetScrollbar();(0,b.default)(a._element).trigger(t)})}},{key:"_removeBackdrop",value:function _removeBackdrop(){if(this._backdrop){(0,b.default)(this._backdrop).remove();this._backdrop=null}}},{key:"_showBackdrop",value:function _showBackdrop(a){var d=this,e=(0,b.default)(this._element).hasClass(E)?E:"";if(this._isShown&&this._config.backdrop){this._backdrop=document.createElement("div");this._backdrop.className="modal-backdrop";if(e){this._backdrop.classList.add(e)}(0,b.default)(this._backdrop).appendTo(document.body);(0,b.default)(this._element).on(y,function(a){if(d._ignoreBackdropClick){d._ignoreBackdropClick=!1;return}if(a.target!==a.currentTarget){return}d._triggerBackdropTransition()});if(e){c.default.reflow(this._backdrop)}(0,b.default)(this._backdrop).addClass(F);if(!a){return}if(!e){a();return}var f=c.default.getTransitionDurationFromElement(this._backdrop);(0,b.default)(this._backdrop).one(c.default.TRANSITION_END,a).emulateTransitionEnd(f)}else if(!this._isShown&&this._backdrop){(0,b.default)(this._backdrop).removeClass(F);var g=function(){d._removeBackdrop();if(a){a()}};if((0,b.default)(this._element).hasClass(E)){var h=c.default.getTransitionDurationFromElement(this._backdrop);(0,b.default)(this._backdrop).one(c.default.TRANSITION_END,g).emulateTransitionEnd(h)}else{g()}}else if(a){a()}}},{key:"_adjustDialog",value:function _adjustDialog(){var a=this._element.scrollHeight>document.documentElement.clientHeight;if(!this._isBodyOverflowing&&a){this._element.style.paddingLeft="".concat(this._scrollbarWidth,"px")}if(this._isBodyOverflowing&&!a){this._element.style.paddingRight="".concat(this._scrollbarWidth,"px")}}},{key:"_resetAdjustments",value:function _resetAdjustments(){this._element.style.paddingLeft="";this._element.style.paddingRight=""}},{key:"_checkScrollbar",value:function _checkScrollbar(){var a=document.body.getBoundingClientRect();this._isBodyOverflowing=Math.round(a.left+a.right)<window.innerWidth;this._scrollbarWidth=this._getScrollbarWidth()}},{key:"_setScrollbar",value:function _setScrollbar(){var a=this;if(this._isBodyOverflowing){var c=[].slice.call(document.querySelectorAll(H)),d=[].slice.call(document.querySelectorAll(I));(0,b.default)(c).each(function(c,d){var e=d.style.paddingRight,f=(0,b.default)(d).css("padding-right");(0,b.default)(d).data("padding-right",e).css("padding-right","".concat(parseFloat(f)+a._scrollbarWidth,"px"))});(0,b.default)(d).each(function(c,d){var e=d.style.marginRight,f=(0,b.default)(d).css("margin-right");(0,b.default)(d).data("margin-right",e).css("margin-right","".concat(parseFloat(f)-a._scrollbarWidth,"px"))});var e=document.body.style.paddingRight,f=(0,b.default)(document.body).css("padding-right");(0,b.default)(document.body).data("padding-right",e).css("padding-right","".concat(parseFloat(f)+this._scrollbarWidth,"px"))}(0,b.default)(document.body).addClass(D)}},{key:"_resetScrollbar",value:function _resetScrollbar(){var a=[].slice.call(document.querySelectorAll(H));(0,b.default)(a).each(function(a,c){var 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f=(0,b.default)(this).data(l),h=g(g(g({},p),(0,b.default)(this).data()),"object"===e(c)&&c?c:{});if(!f){f=new a(this,h);(0,b.default)(this).data(l,f)}if("string"==typeof c){if("undefined"==typeof f[c]){throw new TypeError("No method named \"".concat(c,"\""))}f[c](d)}else if(h.show){f.show(d)}})}}]);return a}();(0,b.default)(document).on(C,"[data-toggle=\"modal\"]",function(a){var d=this,e,f=c.default.getSelectorFromElement(this);if(f){e=document.querySelector(f)}var h=(0,b.default)(e).data(l)?"toggle":g(g({},(0,b.default)(e).data()),(0,b.default)(this).data());if("A"===this.tagName||"AREA"===this.tagName){a.preventDefault()}var i=(0,b.default)(e).one(u,function(a){if(a.isDefaultPrevented()){return}i.one(t,function(){if((0,b.default)(d).is(":visible")){d.focus()}})});J._jQueryInterface.call((0,b.default)(e),h,this)});b.default.fn.modal=J._jQueryInterface;b.default.fn.modal.Constructor=J;b.default.fn.modal.noConflict=function(){b.default.fn.modal=n;return J._jQueryInterface};a.default=J;return a.default});
 //# sourceMappingURL=modal.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/modal.min.js.map b/theme/boost/amd/build/bootstrap/modal.min.js.map
index 140720fc6a1..0f1395cce65 100644
--- a/theme/boost/amd/build/bootstrap/modal.min.js.map
+++ b/theme/boost/amd/build/bootstrap/modal.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'modal'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.modal'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\nconst ESCAPE_KEYCODE     = 27 // KeyboardEvent.which value for Escape (Esc) key\n\nconst Default = {\n  backdrop : true,\n  keyboard : true,\n  focus    : true,\n  show     : true\n}\n\nconst DefaultType = {\n  backdrop : '(boolean|string)',\n  keyboard : 'boolean',\n  focus    : 'boolean',\n  show     : 'boolean'\n}\n\nconst EVENT_HIDE              = `hide${EVENT_KEY}`\nconst EVENT_HIDE_PREVENTED    = `hidePrevented${EVENT_KEY}`\nconst EVENT_HIDDEN            = `hidden${EVENT_KEY}`\nconst EVENT_SHOW              = `show${EVENT_KEY}`\nconst EVENT_SHOWN             = `shown${EVENT_KEY}`\nconst EVENT_FOCUSIN           = `focusin${EVENT_KEY}`\nconst EVENT_RESIZE            = `resize${EVENT_KEY}`\nconst EVENT_CLICK_DISMISS     = `click.dismiss${EVENT_KEY}`\nconst EVENT_KEYDOWN_DISMISS   = `keydown.dismiss${EVENT_KEY}`\nconst EVENT_MOUSEUP_DISMISS   = `mouseup.dismiss${EVENT_KEY}`\nconst EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API    = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_SCROLLABLE         = 'modal-dialog-scrollable'\nconst CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure'\nconst CLASS_NAME_BACKDROP           = 'modal-backdrop'\nconst CLASS_NAME_OPEN               = 'modal-open'\nconst CLASS_NAME_FADE               = 'fade'\nconst CLASS_NAME_SHOW               = 'show'\nconst CLASS_NAME_STATIC             = 'modal-static'\n\nconst SELECTOR_DIALOG         = '.modal-dialog'\nconst SELECTOR_MODAL_BODY     = '.modal-body'\nconst SELECTOR_DATA_TOGGLE    = '[data-toggle=\"modal\"]'\nconst SELECTOR_DATA_DISMISS   = '[data-dismiss=\"modal\"]'\nconst SELECTOR_FIXED_CONTENT  = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'\nconst SELECTOR_STICKY_CONTENT = '.sticky-top'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Modal {\n  constructor(element, config) {\n    this._config              = this._getConfig(config)\n    this._element             = element\n    this._dialog              = element.querySelector(SELECTOR_DIALOG)\n    this._backdrop            = null\n    this._isShown             = false\n    this._isBodyOverflowing   = false\n    this._ignoreBackdropClick = false\n    this._isTransitioning     = false\n    this._scrollbarWidth      = 0\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  toggle(relatedTarget) {\n    return this._isShown ? this.hide() : this.show(relatedTarget)\n  }\n\n  show(relatedTarget) {\n    if (this._isShown || this._isTransitioning) {\n      return\n    }\n\n    if ($(this._element).hasClass(CLASS_NAME_FADE)) {\n      this._isTransitioning = true\n    }\n\n    const showEvent = $.Event(EVENT_SHOW, {\n      relatedTarget\n    })\n\n    $(this._element).trigger(showEvent)\n\n    if (this._isShown || showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._isShown = true\n\n    this._checkScrollbar()\n    this._setScrollbar()\n\n    this._adjustDialog()\n\n    this._setEscapeEvent()\n    this._setResizeEvent()\n\n    $(this._element).on(\n      EVENT_CLICK_DISMISS,\n      SELECTOR_DATA_DISMISS,\n      (event) => this.hide(event)\n    )\n\n    $(this._dialog).on(EVENT_MOUSEDOWN_DISMISS, () => {\n      $(this._element).one(EVENT_MOUSEUP_DISMISS, (event) => {\n        if ($(event.target).is(this._element)) {\n          this._ignoreBackdropClick = true\n        }\n      })\n    })\n\n    this._showBackdrop(() => this._showElement(relatedTarget))\n  }\n\n  hide(event) {\n    if (event) {\n      event.preventDefault()\n    }\n\n    if (!this._isShown || this._isTransitioning) {\n      return\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE)\n\n    $(this._element).trigger(hideEvent)\n\n    if (!this._isShown || hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._isShown = false\n    const transition = $(this._element).hasClass(CLASS_NAME_FADE)\n\n    if (transition) {\n      this._isTransitioning = true\n    }\n\n    this._setEscapeEvent()\n    this._setResizeEvent()\n\n    $(document).off(EVENT_FOCUSIN)\n\n    $(this._element).removeClass(CLASS_NAME_SHOW)\n\n    $(this._element).off(EVENT_CLICK_DISMISS)\n    $(this._dialog).off(EVENT_MOUSEDOWN_DISMISS)\n\n    if (transition) {\n      const transitionDuration  = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      this._hideModal()\n    }\n  }\n\n  dispose() {\n    [window, this._element, this._dialog]\n      .forEach((htmlElement) => $(htmlElement).off(EVENT_KEY))\n\n    /**\n     * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`\n     * Do not move `document` in `htmlElements` array\n     * It will remove `EVENT_CLICK_DATA_API` event that should remain\n     */\n    $(document).off(EVENT_FOCUSIN)\n\n    $.removeData(this._element, DATA_KEY)\n\n    this._config              = null\n    this._element             = null\n    this._dialog              = null\n    this._backdrop            = null\n    this._isShown             = null\n    this._isBodyOverflowing   = null\n    this._ignoreBackdropClick = null\n    this._isTransitioning     = null\n    this._scrollbarWidth      = null\n  }\n\n  handleUpdate() {\n    this._adjustDialog()\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _triggerBackdropTransition() {\n    if (this._config.backdrop === 'static') {\n      const hideEventPrevented = $.Event(EVENT_HIDE_PREVENTED)\n\n      $(this._element).trigger(hideEventPrevented)\n      if (hideEventPrevented.defaultPrevented) {\n        return\n      }\n\n      this._element.classList.add(CLASS_NAME_STATIC)\n\n      const modalTransitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element).one(Util.TRANSITION_END, () => {\n        this._element.classList.remove(CLASS_NAME_STATIC)\n      })\n        .emulateTransitionEnd(modalTransitionDuration)\n      this._element.focus()\n    } else {\n      this.hide()\n    }\n  }\n\n  _showElement(relatedTarget) {\n    const transition = $(this._element).hasClass(CLASS_NAME_FADE)\n    const modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null\n\n    if (!this._element.parentNode ||\n        this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n      // Don't move modal's DOM position\n      document.body.appendChild(this._element)\n    }\n\n    this._element.style.display = 'block'\n    this._element.removeAttribute('aria-hidden')\n    this._element.setAttribute('aria-modal', true)\n\n    if ($(this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {\n      modalBody.scrollTop = 0\n    } else {\n      this._element.scrollTop = 0\n    }\n\n    if (transition) {\n      Util.reflow(this._element)\n    }\n\n    $(this._element).addClass(CLASS_NAME_SHOW)\n\n    if (this._config.focus) {\n      this._enforceFocus()\n    }\n\n    const shownEvent = $.Event(EVENT_SHOWN, {\n      relatedTarget\n    })\n\n    const transitionComplete = () => {\n      if (this._config.focus) {\n        this._element.focus()\n      }\n      this._isTransitioning = false\n      $(this._element).trigger(shownEvent)\n    }\n\n    if (transition) {\n      const transitionDuration  = Util.getTransitionDurationFromElement(this._dialog)\n\n      $(this._dialog)\n        .one(Util.TRANSITION_END, transitionComplete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      transitionComplete()\n    }\n  }\n\n  _enforceFocus() {\n    $(document)\n      .off(EVENT_FOCUSIN) // Guard against infinite focus loop\n      .on(EVENT_FOCUSIN, (event) => {\n        if (document !== event.target &&\n            this._element !== event.target &&\n            $(this._element).has(event.target).length === 0) {\n          this._element.focus()\n        }\n      })\n  }\n\n  _setEscapeEvent() {\n    if (this._isShown) {\n      $(this._element).on(EVENT_KEYDOWN_DISMISS, (event) => {\n        if (this._config.keyboard && event.which === ESCAPE_KEYCODE) {\n          event.preventDefault()\n          this.hide()\n        } else if (!this._config.keyboard && event.which === ESCAPE_KEYCODE) {\n          this._triggerBackdropTransition()\n        }\n      })\n    } else if (!this._isShown) {\n      $(this._element).off(EVENT_KEYDOWN_DISMISS)\n    }\n  }\n\n  _setResizeEvent() {\n    if (this._isShown) {\n      $(window).on(EVENT_RESIZE, (event) => this.handleUpdate(event))\n    } else {\n      $(window).off(EVENT_RESIZE)\n    }\n  }\n\n  _hideModal() {\n    this._element.style.display = 'none'\n    this._element.setAttribute('aria-hidden', true)\n    this._element.removeAttribute('aria-modal')\n    this._isTransitioning = false\n    this._showBackdrop(() => {\n      $(document.body).removeClass(CLASS_NAME_OPEN)\n      this._resetAdjustments()\n      this._resetScrollbar()\n      $(this._element).trigger(EVENT_HIDDEN)\n    })\n  }\n\n  _removeBackdrop() {\n    if (this._backdrop) {\n      $(this._backdrop).remove()\n      this._backdrop = null\n    }\n  }\n\n  _showBackdrop(callback) {\n    const animate = $(this._element).hasClass(CLASS_NAME_FADE)\n      ? CLASS_NAME_FADE : ''\n\n    if (this._isShown && this._config.backdrop) {\n      this._backdrop = document.createElement('div')\n      this._backdrop.className = CLASS_NAME_BACKDROP\n\n      if (animate) {\n        this._backdrop.classList.add(animate)\n      }\n\n      $(this._backdrop).appendTo(document.body)\n\n      $(this._element).on(EVENT_CLICK_DISMISS, (event) => {\n        if (this._ignoreBackdropClick) {\n          this._ignoreBackdropClick = false\n          return\n        }\n        if (event.target !== event.currentTarget) {\n          return\n        }\n\n        this._triggerBackdropTransition()\n      })\n\n      if (animate) {\n        Util.reflow(this._backdrop)\n      }\n\n      $(this._backdrop).addClass(CLASS_NAME_SHOW)\n\n      if (!callback) {\n        return\n      }\n\n      if (!animate) {\n        callback()\n        return\n      }\n\n      const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)\n\n      $(this._backdrop)\n        .one(Util.TRANSITION_END, callback)\n        .emulateTransitionEnd(backdropTransitionDuration)\n    } else if (!this._isShown && this._backdrop) {\n      $(this._backdrop).removeClass(CLASS_NAME_SHOW)\n\n      const callbackRemove = () => {\n        this._removeBackdrop()\n        if (callback) {\n          callback()\n        }\n      }\n\n      if ($(this._element).hasClass(CLASS_NAME_FADE)) {\n        const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callbackRemove)\n          .emulateTransitionEnd(backdropTransitionDuration)\n      } else {\n        callbackRemove()\n      }\n    } else if (callback) {\n      callback()\n    }\n  }\n\n  // ----------------------------------------------------------------------\n  // the following methods are used to handle overflowing modals\n  // todo (fat): these should probably be refactored out of modal.js\n  // ----------------------------------------------------------------------\n\n  _adjustDialog() {\n    const isModalOverflowing =\n      this._element.scrollHeight > document.documentElement.clientHeight\n\n    if (!this._isBodyOverflowing && isModalOverflowing) {\n      this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n    }\n\n    if (this._isBodyOverflowing && !isModalOverflowing) {\n      this._element.style.paddingRight = `${this._scrollbarWidth}px`\n    }\n  }\n\n  _resetAdjustments() {\n    this._element.style.paddingLeft = ''\n    this._element.style.paddingRight = ''\n  }\n\n  _checkScrollbar() {\n    const rect = document.body.getBoundingClientRect()\n    this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth\n    this._scrollbarWidth = this._getScrollbarWidth()\n  }\n\n  _setScrollbar() {\n    if (this._isBodyOverflowing) {\n      // Note: DOMNode.style.paddingRight returns the actual value or '' if not set\n      //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set\n      const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))\n      const stickyContent = [].slice.call(document.querySelectorAll(SELECTOR_STICKY_CONTENT))\n\n      // Adjust fixed content padding\n      $(fixedContent).each((index, element) => {\n        const actualPadding = element.style.paddingRight\n        const calculatedPadding = $(element).css('padding-right')\n        $(element)\n          .data('padding-right', actualPadding)\n          .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n      })\n\n      // Adjust sticky content margin\n      $(stickyContent).each((index, element) => {\n        const actualMargin = element.style.marginRight\n        const calculatedMargin = $(element).css('margin-right')\n        $(element)\n          .data('margin-right', actualMargin)\n          .css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)\n      })\n\n      // Adjust body padding\n      const actualPadding = document.body.style.paddingRight\n      const calculatedPadding = $(document.body).css('padding-right')\n      $(document.body)\n        .data('padding-right', actualPadding)\n        .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n    }\n\n    $(document.body).addClass(CLASS_NAME_OPEN)\n  }\n\n  _resetScrollbar() {\n    // Restore fixed content padding\n    const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))\n    $(fixedContent).each((index, element) => {\n      const padding = $(element).data('padding-right')\n      $(element).removeData('padding-right')\n      element.style.paddingRight = padding ? padding : ''\n    })\n\n    // Restore sticky content\n    const elements = [].slice.call(document.querySelectorAll(`${SELECTOR_STICKY_CONTENT}`))\n    $(elements).each((index, element) => {\n      const margin = $(element).data('margin-right')\n      if (typeof margin !== 'undefined') {\n        $(element).css('margin-right', margin).removeData('margin-right')\n      }\n    })\n\n    // Restore body padding\n    const padding = $(document.body).data('padding-right')\n    $(document.body).removeData('padding-right')\n    document.body.style.paddingRight = padding ? padding : ''\n  }\n\n  _getScrollbarWidth() { // thx d.walsh\n    const scrollDiv = document.createElement('div')\n    scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER\n    document.body.appendChild(scrollDiv)\n    const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth\n    document.body.removeChild(scrollDiv)\n    return scrollbarWidth\n  }\n\n  // Static\n\n  static _jQueryInterface(config, relatedTarget) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = {\n        ...Default,\n        ...$(this).data(),\n        ...typeof config === 'object' && config ? config : {}\n      }\n\n      if (!data) {\n        data = new Modal(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config](relatedTarget)\n      } else if (_config.show) {\n        data.show(relatedTarget)\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n  let target\n  const selector = Util.getSelectorFromElement(this)\n\n  if (selector) {\n    target = document.querySelector(selector)\n  }\n\n  const config = $(target).data(DATA_KEY)\n    ? 'toggle' : {\n      ...$(target).data(),\n      ...$(this).data()\n    }\n\n  if (this.tagName === 'A' || this.tagName === 'AREA') {\n    event.preventDefault()\n  }\n\n  const $target = $(target).one(EVENT_SHOW, (showEvent) => {\n    if (showEvent.isDefaultPrevented()) {\n      // Only register focus restorer if modal will actually get shown\n      return\n    }\n\n    $target.one(EVENT_HIDDEN, () => {\n      if ($(this).is(':visible')) {\n        this.focus()\n      }\n    })\n  })\n\n  Modal._jQueryInterface.call($(target), config, this)\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Modal._jQueryInterface\n$.fn[NAME].Constructor = Modal\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Modal._jQueryInterface\n}\n\nexport default Modal\n"],"file":"modal.min.js"}
\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'modal'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.modal'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\nconst ESCAPE_KEYCODE     = 27 // KeyboardEvent.which value for Escape (Esc) key\n\nconst Default = {\n  backdrop : true,\n  keyboard : true,\n  focus    : true,\n  show     : true\n}\n\nconst DefaultType = {\n  backdrop : '(boolean|string)',\n  keyboard : 'boolean',\n  focus    : 'boolean',\n  show     : 'boolean'\n}\n\nconst EVENT_HIDE              = `hide${EVENT_KEY}`\nconst EVENT_HIDE_PREVENTED    = `hidePrevented${EVENT_KEY}`\nconst EVENT_HIDDEN            = `hidden${EVENT_KEY}`\nconst EVENT_SHOW              = `show${EVENT_KEY}`\nconst EVENT_SHOWN             = `shown${EVENT_KEY}`\nconst EVENT_FOCUSIN           = `focusin${EVENT_KEY}`\nconst EVENT_RESIZE            = `resize${EVENT_KEY}`\nconst EVENT_CLICK_DISMISS     = `click.dismiss${EVENT_KEY}`\nconst EVENT_KEYDOWN_DISMISS   = `keydown.dismiss${EVENT_KEY}`\nconst EVENT_MOUSEUP_DISMISS   = `mouseup.dismiss${EVENT_KEY}`\nconst EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API    = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_SCROLLABLE         = 'modal-dialog-scrollable'\nconst CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure'\nconst CLASS_NAME_BACKDROP           = 'modal-backdrop'\nconst CLASS_NAME_OPEN               = 'modal-open'\nconst CLASS_NAME_FADE               = 'fade'\nconst CLASS_NAME_SHOW               = 'show'\nconst CLASS_NAME_STATIC             = 'modal-static'\n\nconst SELECTOR_DIALOG         = '.modal-dialog'\nconst SELECTOR_MODAL_BODY     = '.modal-body'\nconst SELECTOR_DATA_TOGGLE    = '[data-toggle=\"modal\"]'\nconst SELECTOR_DATA_DISMISS   = '[data-dismiss=\"modal\"]'\nconst SELECTOR_FIXED_CONTENT  = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'\nconst SELECTOR_STICKY_CONTENT = '.sticky-top'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Modal {\n  constructor(element, config) {\n    this._config              = this._getConfig(config)\n    this._element             = element\n    this._dialog              = element.querySelector(SELECTOR_DIALOG)\n    this._backdrop            = null\n    this._isShown             = false\n    this._isBodyOverflowing   = false\n    this._ignoreBackdropClick = false\n    this._isTransitioning     = false\n    this._scrollbarWidth      = 0\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  toggle(relatedTarget) {\n    return this._isShown ? this.hide() : this.show(relatedTarget)\n  }\n\n  show(relatedTarget) {\n    if (this._isShown || this._isTransitioning) {\n      return\n    }\n\n    if ($(this._element).hasClass(CLASS_NAME_FADE)) {\n      this._isTransitioning = true\n    }\n\n    const showEvent = $.Event(EVENT_SHOW, {\n      relatedTarget\n    })\n\n    $(this._element).trigger(showEvent)\n\n    if (this._isShown || showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._isShown = true\n\n    this._checkScrollbar()\n    this._setScrollbar()\n\n    this._adjustDialog()\n\n    this._setEscapeEvent()\n    this._setResizeEvent()\n\n    $(this._element).on(\n      EVENT_CLICK_DISMISS,\n      SELECTOR_DATA_DISMISS,\n      (event) => this.hide(event)\n    )\n\n    $(this._dialog).on(EVENT_MOUSEDOWN_DISMISS, () => {\n      $(this._element).one(EVENT_MOUSEUP_DISMISS, (event) => {\n        if ($(event.target).is(this._element)) {\n          this._ignoreBackdropClick = true\n        }\n      })\n    })\n\n    this._showBackdrop(() => this._showElement(relatedTarget))\n  }\n\n  hide(event) {\n    if (event) {\n      event.preventDefault()\n    }\n\n    if (!this._isShown || this._isTransitioning) {\n      return\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE)\n\n    $(this._element).trigger(hideEvent)\n\n    if (!this._isShown || hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._isShown = false\n    const transition = $(this._element).hasClass(CLASS_NAME_FADE)\n\n    if (transition) {\n      this._isTransitioning = true\n    }\n\n    this._setEscapeEvent()\n    this._setResizeEvent()\n\n    $(document).off(EVENT_FOCUSIN)\n\n    $(this._element).removeClass(CLASS_NAME_SHOW)\n\n    $(this._element).off(EVENT_CLICK_DISMISS)\n    $(this._dialog).off(EVENT_MOUSEDOWN_DISMISS)\n\n    if (transition) {\n      const transitionDuration  = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      this._hideModal()\n    }\n  }\n\n  dispose() {\n    [window, this._element, this._dialog]\n      .forEach((htmlElement) => $(htmlElement).off(EVENT_KEY))\n\n    /**\n     * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`\n     * Do not move `document` in `htmlElements` array\n     * It will remove `EVENT_CLICK_DATA_API` event that should remain\n     */\n    $(document).off(EVENT_FOCUSIN)\n\n    $.removeData(this._element, DATA_KEY)\n\n    this._config              = null\n    this._element             = null\n    this._dialog              = null\n    this._backdrop            = null\n    this._isShown             = null\n    this._isBodyOverflowing   = null\n    this._ignoreBackdropClick = null\n    this._isTransitioning     = null\n    this._scrollbarWidth      = null\n  }\n\n  handleUpdate() {\n    this._adjustDialog()\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _triggerBackdropTransition() {\n    if (this._config.backdrop === 'static') {\n      const hideEventPrevented = $.Event(EVENT_HIDE_PREVENTED)\n\n      $(this._element).trigger(hideEventPrevented)\n      if (hideEventPrevented.defaultPrevented) {\n        return\n      }\n\n      this._element.classList.add(CLASS_NAME_STATIC)\n\n      const modalTransitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element).one(Util.TRANSITION_END, () => {\n        this._element.classList.remove(CLASS_NAME_STATIC)\n      })\n        .emulateTransitionEnd(modalTransitionDuration)\n      this._element.focus()\n    } else {\n      this.hide()\n    }\n  }\n\n  _showElement(relatedTarget) {\n    const transition = $(this._element).hasClass(CLASS_NAME_FADE)\n    const modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null\n\n    if (!this._element.parentNode ||\n        this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n      // Don't move modal's DOM position\n      document.body.appendChild(this._element)\n    }\n\n    this._element.style.display = 'block'\n    this._element.removeAttribute('aria-hidden')\n    this._element.setAttribute('aria-modal', true)\n\n    if ($(this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {\n      modalBody.scrollTop = 0\n    } else {\n      this._element.scrollTop = 0\n    }\n\n    if (transition) {\n      Util.reflow(this._element)\n    }\n\n    $(this._element).addClass(CLASS_NAME_SHOW)\n\n    if (this._config.focus) {\n      this._enforceFocus()\n    }\n\n    const shownEvent = $.Event(EVENT_SHOWN, {\n      relatedTarget\n    })\n\n    const transitionComplete = () => {\n      if (this._config.focus) {\n        this._element.focus()\n      }\n      this._isTransitioning = false\n      $(this._element).trigger(shownEvent)\n    }\n\n    if (transition) {\n      const transitionDuration  = Util.getTransitionDurationFromElement(this._dialog)\n\n      $(this._dialog)\n        .one(Util.TRANSITION_END, transitionComplete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      transitionComplete()\n    }\n  }\n\n  _enforceFocus() {\n    $(document)\n      .off(EVENT_FOCUSIN) // Guard against infinite focus loop\n      .on(EVENT_FOCUSIN, (event) => {\n        if (document !== event.target &&\n            this._element !== event.target &&\n            $(this._element).has(event.target).length === 0) {\n          this._element.focus()\n        }\n      })\n  }\n\n  _setEscapeEvent() {\n    if (this._isShown) {\n      $(this._element).on(EVENT_KEYDOWN_DISMISS, (event) => {\n        if (this._config.keyboard && event.which === ESCAPE_KEYCODE) {\n          event.preventDefault()\n          this.hide()\n        } else if (!this._config.keyboard && event.which === ESCAPE_KEYCODE) {\n          this._triggerBackdropTransition()\n        }\n      })\n    } else if (!this._isShown) {\n      $(this._element).off(EVENT_KEYDOWN_DISMISS)\n    }\n  }\n\n  _setResizeEvent() {\n    if (this._isShown) {\n      $(window).on(EVENT_RESIZE, (event) => this.handleUpdate(event))\n    } else {\n      $(window).off(EVENT_RESIZE)\n    }\n  }\n\n  _hideModal() {\n    this._element.style.display = 'none'\n    this._element.setAttribute('aria-hidden', true)\n    this._element.removeAttribute('aria-modal')\n    this._isTransitioning = false\n    this._showBackdrop(() => {\n      $(document.body).removeClass(CLASS_NAME_OPEN)\n      this._resetAdjustments()\n      this._resetScrollbar()\n      $(this._element).trigger(EVENT_HIDDEN)\n    })\n  }\n\n  _removeBackdrop() {\n    if (this._backdrop) {\n      $(this._backdrop).remove()\n      this._backdrop = null\n    }\n  }\n\n  _showBackdrop(callback) {\n    const animate = $(this._element).hasClass(CLASS_NAME_FADE)\n      ? CLASS_NAME_FADE : ''\n\n    if (this._isShown && this._config.backdrop) {\n      this._backdrop = document.createElement('div')\n      this._backdrop.className = CLASS_NAME_BACKDROP\n\n      if (animate) {\n        this._backdrop.classList.add(animate)\n      }\n\n      $(this._backdrop).appendTo(document.body)\n\n      $(this._element).on(EVENT_CLICK_DISMISS, (event) => {\n        if (this._ignoreBackdropClick) {\n          this._ignoreBackdropClick = false\n          return\n        }\n        if (event.target !== event.currentTarget) {\n          return\n        }\n\n        this._triggerBackdropTransition()\n      })\n\n      if (animate) {\n        Util.reflow(this._backdrop)\n      }\n\n      $(this._backdrop).addClass(CLASS_NAME_SHOW)\n\n      if (!callback) {\n        return\n      }\n\n      if (!animate) {\n        callback()\n        return\n      }\n\n      const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)\n\n      $(this._backdrop)\n        .one(Util.TRANSITION_END, callback)\n        .emulateTransitionEnd(backdropTransitionDuration)\n    } else if (!this._isShown && this._backdrop) {\n      $(this._backdrop).removeClass(CLASS_NAME_SHOW)\n\n      const callbackRemove = () => {\n        this._removeBackdrop()\n        if (callback) {\n          callback()\n        }\n      }\n\n      if ($(this._element).hasClass(CLASS_NAME_FADE)) {\n        const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callbackRemove)\n          .emulateTransitionEnd(backdropTransitionDuration)\n      } else {\n        callbackRemove()\n      }\n    } else if (callback) {\n      callback()\n    }\n  }\n\n  // ----------------------------------------------------------------------\n  // the following methods are used to handle overflowing modals\n  // todo (fat): these should probably be refactored out of modal.js\n  // ----------------------------------------------------------------------\n\n  _adjustDialog() {\n    const isModalOverflowing =\n      this._element.scrollHeight > document.documentElement.clientHeight\n\n    if (!this._isBodyOverflowing && isModalOverflowing) {\n      this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n    }\n\n    if (this._isBodyOverflowing && !isModalOverflowing) {\n      this._element.style.paddingRight = `${this._scrollbarWidth}px`\n    }\n  }\n\n  _resetAdjustments() {\n    this._element.style.paddingLeft = ''\n    this._element.style.paddingRight = ''\n  }\n\n  _checkScrollbar() {\n    const rect = document.body.getBoundingClientRect()\n    this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth\n    this._scrollbarWidth = this._getScrollbarWidth()\n  }\n\n  _setScrollbar() {\n    if (this._isBodyOverflowing) {\n      // Note: DOMNode.style.paddingRight returns the actual value or '' if not set\n      //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set\n      const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))\n      const stickyContent = [].slice.call(document.querySelectorAll(SELECTOR_STICKY_CONTENT))\n\n      // Adjust fixed content padding\n      $(fixedContent).each((index, element) => {\n        const actualPadding = element.style.paddingRight\n        const calculatedPadding = $(element).css('padding-right')\n        $(element)\n          .data('padding-right', actualPadding)\n          .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n      })\n\n      // Adjust sticky content margin\n      $(stickyContent).each((index, element) => {\n        const actualMargin = element.style.marginRight\n        const calculatedMargin = $(element).css('margin-right')\n        $(element)\n          .data('margin-right', actualMargin)\n          .css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)\n      })\n\n      // Adjust body padding\n      const actualPadding = document.body.style.paddingRight\n      const calculatedPadding = $(document.body).css('padding-right')\n      $(document.body)\n        .data('padding-right', actualPadding)\n        .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n    }\n\n    $(document.body).addClass(CLASS_NAME_OPEN)\n  }\n\n  _resetScrollbar() {\n    // Restore fixed content padding\n    const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))\n    $(fixedContent).each((index, element) => {\n      const padding = $(element).data('padding-right')\n      $(element).removeData('padding-right')\n      element.style.paddingRight = padding ? padding : ''\n    })\n\n    // Restore sticky content\n    const elements = [].slice.call(document.querySelectorAll(`${SELECTOR_STICKY_CONTENT}`))\n    $(elements).each((index, element) => {\n      const margin = $(element).data('margin-right')\n      if (typeof margin !== 'undefined') {\n        $(element).css('margin-right', margin).removeData('margin-right')\n      }\n    })\n\n    // Restore body padding\n    const padding = $(document.body).data('padding-right')\n    $(document.body).removeData('padding-right')\n    document.body.style.paddingRight = padding ? padding : ''\n  }\n\n  _getScrollbarWidth() { // thx d.walsh\n    const scrollDiv = document.createElement('div')\n    scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER\n    document.body.appendChild(scrollDiv)\n    const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth\n    document.body.removeChild(scrollDiv)\n    return scrollbarWidth\n  }\n\n  // Static\n\n  static _jQueryInterface(config, relatedTarget) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = {\n        ...Default,\n        ...$(this).data(),\n        ...typeof config === 'object' && config ? config : {}\n      }\n\n      if (!data) {\n        data = new Modal(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config](relatedTarget)\n      } else if (_config.show) {\n        data.show(relatedTarget)\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n  let target\n  const selector = Util.getSelectorFromElement(this)\n\n  if (selector) {\n    target = document.querySelector(selector)\n  }\n\n  const config = $(target).data(DATA_KEY)\n    ? 'toggle' : {\n      ...$(target).data(),\n      ...$(this).data()\n    }\n\n  if (this.tagName === 'A' || this.tagName === 'AREA') {\n    event.preventDefault()\n  }\n\n  const $target = $(target).one(EVENT_SHOW, (showEvent) => {\n    if (showEvent.isDefaultPrevented()) {\n      // Only register focus restorer if modal will actually get shown\n      return\n    }\n\n    $target.one(EVENT_HIDDEN, () => {\n      if ($(this).is(':visible')) {\n        this.focus()\n      }\n    })\n  })\n\n  Modal._jQueryInterface.call($(target), config, this)\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Modal._jQueryInterface\n$.fn[NAME].Constructor = Modal\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Modal._jQueryInterface\n}\n\nexport default Modal\n"],"file":"modal.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/popover.min.js b/theme/boost/amd/build/bootstrap/popover.min.js
index 61c387f0c68..c895fa097aa 100644
--- a/theme/boost/amd/build/bootstrap/popover.min.js
+++ b/theme/boost/amd/build/bootstrap/popover.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/popover",["exports","jquery","./tooltip"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){e=function(a){return typeof a}}else{e=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return e(a)}function f(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function g(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function h(a,b,c){if(b)g(a.prototype,b);if(c)g(a,c);return a}function i(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});if(b)j(a,b)}function j(a,b){j=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return j(a,b)}function k(a){return function(){var b=p(a),c;if(n()){var d=p(this).constructor;c=Reflect.construct(b,arguments,d)}else{c=b.apply(this,arguments)}return l(this,c)}}function l(a,b){if(b&&("object"===e(b)||"function"==typeof b)){return b}return m(a)}function m(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function n(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],function(){}));return!0}catch(a){return!1}}function p(a){p=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return p(a)}function q(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);if(b)d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable});c.push.apply(c,d)}return c}function r(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};if(b%2){q(Object(c),!0).forEach(function(b){s(a,b,c[b])})}else if(Object.getOwnPropertyDescriptors){Object.defineProperties(a,Object.getOwnPropertyDescriptors(c))}else{q(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}}return a}function s(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}var t="bs.popover",u=".".concat(t),v=b.default.fn.popover,w="bs-popover",x=new RegExp("(^|\\s)".concat(w,"\\S+"),"g"),y=r({},c.default.Default,{placement:"right",trigger:"click",content:"",template:"<div class=\"popover\" role=\"tooltip\"><div class=\"arrow\"></div><h3 class=\"popover-header\"></h3><div class=\"popover-body\"></div></div>"}),z=r({},c.default.DefaultType,{content:"(string|element|function)"}),A={HIDE:"hide".concat(u),HIDDEN:"hidden".concat(u),SHOW:"show".concat(u),SHOWN:"shown".concat(u),INSERTED:"inserted".concat(u),CLICK:"click".concat(u),FOCUSIN:"focusin".concat(u),FOCUSOUT:"focusout".concat(u),MOUSEENTER:"mouseenter".concat(u),MOUSELEAVE:"mouseleave".concat(u)},B=function(a){i(c,a);var d=k(c);function c(){f(this,c);return d.apply(this,arguments)}h(c,[{key:"isWithContent",value:function isWithContent(){return this.getTitle()||this._getContent()}},{key:"addAttachmentClass",value:function addAttachmentClass(a){(0,b.default)(this.getTipElement()).addClass("".concat(w,"-").concat(a))}},{key:"getTipElement",value:function getTipElement(){this.tip=this.tip||(0,b.default)(this.config.template)[0];return this.tip}},{key:"setContent",value:function setContent(){var a=(0,b.default)(this.getTipElement());this.setElementContent(a.find(".popover-header"),this.getTitle());var c=this._getContent();if("function"==typeof c){c=c.call(this.element)}this.setElementContent(a.find(".popover-body"),c);a.removeClass("".concat("fade"," ").concat("show"))}},{key:"_getContent",value:function _getContent(){return this.element.getAttribute("data-content")||this.config.content}},{key:"_cleanTipClass",value:function _cleanTipClass(){var a=(0,b.default)(this.getTipElement()),c=a.attr("class").match(x);if(null!==c&&0<c.length){a.removeClass(c.join(""))}}}],[{key:"_jQueryInterface",value:function _jQueryInterface(a){return this.each(function(){var d=(0,b.default)(this).data(t),f="object"===e(a)?a:null;if(!d&&/dispose|hide/.test(a)){return}if(!d){d=new c(this,f);(0,b.default)(this).data(t,d)}if("string"==typeof a){if("undefined"==typeof d[a]){throw new TypeError("No method named \"".concat(a,"\""))}d[a]()}})}},{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return y}},{key:"NAME",get:function get(){return"popover"}},{key:"DATA_KEY",get:function get(){return t}},{key:"Event",get:function get(){return A}},{key:"EVENT_KEY",get:function get(){return u}},{key:"DefaultType",get:function get(){return z}}]);return c}(c.default);b.default.fn.popover=B._jQueryInterface;b.default.fn.popover.Constructor=B;b.default.fn.popover.noConflict=function(){b.default.fn.popover=v;return B._jQueryInterface};a.default=B;return a.default});
+define ("theme_boost/bootstrap/popover",["exports","jquery","./tooltip"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";return e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e(a)}function f(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function g(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function h(a,b,c){if(b)g(a.prototype,b);if(c)g(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}function i(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});Object.defineProperty(a,"prototype",{writable:!1});if(b)j(a,b)}function j(a,b){j=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return j(a,b)}function k(a){var b=n();return function(){var c=p(a),d;if(b){var e=p(this).constructor;d=Reflect.construct(c,arguments,e)}else{d=c.apply(this,arguments)}return l(this,d)}}function l(a,b){if(b&&("object"===e(b)||"function"==typeof b)){return b}else if(void 0!==b){throw new TypeError("Derived constructors may only return object or undefined")}return m(a)}function m(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function n(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return!0}catch(a){return!1}}function p(a){p=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return p(a)}function q(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function r(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?q(Object(c),!0).forEach(function(b){s(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):q(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function s(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}var t="bs.popover",u=".".concat(t),v=b.default.fn.popover,w="bs-popover",x=new RegExp("(^|\\s)".concat(w,"\\S+"),"g"),y=r(r({},c.default.Default),{},{placement:"right",trigger:"click",content:"",template:"<div class=\"popover\" role=\"tooltip\"><div class=\"arrow\"></div><h3 class=\"popover-header\"></h3><div class=\"popover-body\"></div></div>"}),z=r(r({},c.default.DefaultType),{},{content:"(string|element|function)"}),A={HIDE:"hide".concat(u),HIDDEN:"hidden".concat(u),SHOW:"show".concat(u),SHOWN:"shown".concat(u),INSERTED:"inserted".concat(u),CLICK:"click".concat(u),FOCUSIN:"focusin".concat(u),FOCUSOUT:"focusout".concat(u),MOUSEENTER:"mouseenter".concat(u),MOUSELEAVE:"mouseleave".concat(u)},B=function(a){i(d,a);var c=k(d);function d(){f(this,d);return c.apply(this,arguments)}h(d,[{key:"isWithContent",value:function isWithContent(){return this.getTitle()||this._getContent()}},{key:"addAttachmentClass",value:function addAttachmentClass(a){(0,b.default)(this.getTipElement()).addClass("".concat(w,"-").concat(a))}},{key:"getTipElement",value:function getTipElement(){this.tip=this.tip||(0,b.default)(this.config.template)[0];return this.tip}},{key:"setContent",value:function setContent(){var a=(0,b.default)(this.getTipElement());this.setElementContent(a.find(".popover-header"),this.getTitle());var c=this._getContent();if("function"==typeof c){c=c.call(this.element)}this.setElementContent(a.find(".popover-body"),c);a.removeClass("".concat("fade"," ").concat("show"))}},{key:"_getContent",value:function _getContent(){return this.element.getAttribute("data-content")||this.config.content}},{key:"_cleanTipClass",value:function _cleanTipClass(){var a=(0,b.default)(this.getTipElement()),c=a.attr("class").match(x);if(null!==c&&0<c.length){a.removeClass(c.join(""))}}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return y}},{key:"NAME",get:function get(){return"popover"}},{key:"DATA_KEY",get:function get(){return t}},{key:"Event",get:function get(){return A}},{key:"EVENT_KEY",get:function get(){return u}},{key:"DefaultType",get:function get(){return z}},{key:"_jQueryInterface",value:function _jQueryInterface(a){return this.each(function(){var c=(0,b.default)(this).data(t),f="object"===e(a)?a:null;if(!c&&/dispose|hide/.test(a)){return}if(!c){c=new d(this,f);(0,b.default)(this).data(t,c)}if("string"==typeof a){if("undefined"==typeof c[a]){throw new TypeError("No method named \"".concat(a,"\""))}c[a]()}})}}]);return d}(c.default);b.default.fn.popover=B._jQueryInterface;b.default.fn.popover.Constructor=B;b.default.fn.popover.noConflict=function(){b.default.fn.popover=v;return B._jQueryInterface};a.default=B;return a.default});
 //# sourceMappingURL=popover.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/popover.min.js.map b/theme/boost/amd/build/bootstrap/popover.min.js.map
index 465e1a479bd..088e97de666 100644
--- a/theme/boost/amd/build/bootstrap/popover.min.js.map
+++ b/theme/boost/amd/build/bootstrap/popover.min.js.map
@@ -1 +1 @@
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role=\"tooltip\">' +\n              '<div class=\"arrow\"></div>' +\n              '<h3 class=\"popover-header\"></h3>' +\n              '<div class=\"popover-body\"></div></div>'\n}\n\nconst DefaultType = {\n  ...Tooltip.DefaultType,\n  content : '(string|element|function)'\n}\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TITLE   = '.popover-header'\nconst SELECTOR_CONTENT = '.popover-body'\n\nconst Event = {\n  HIDE       : `hide${EVENT_KEY}`,\n  HIDDEN     : `hidden${EVENT_KEY}`,\n  SHOW       : `show${EVENT_KEY}`,\n  SHOWN      : `shown${EVENT_KEY}`,\n  INSERTED   : `inserted${EVENT_KEY}`,\n  CLICK      : `click${EVENT_KEY}`,\n  FOCUSIN    : `focusin${EVENT_KEY}`,\n  FOCUSOUT   : `focusout${EVENT_KEY}`,\n  MOUSEENTER : `mouseenter${EVENT_KEY}`,\n  MOUSELEAVE : `mouseleave${EVENT_KEY}`\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * 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\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): popover.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Tooltip from './tooltip'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'popover'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.popover'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\nconst CLASS_PREFIX        = 'bs-popover'\nconst BSCLS_PREFIX_REGEX  = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\nconst Default = {\n  ...Tooltip.Default,\n  placement : 'right',\n  trigger   : 'click',\n  content   : '',\n  template  : '<div class=\"popover\" role=\"tooltip\">' +\n              '<div class=\"arrow\"></div>' +\n              '<h3 class=\"popover-header\"></h3>' +\n              '<div class=\"popover-body\"></div></div>'\n}\n\nconst DefaultType = {\n  ...Tooltip.DefaultType,\n  content : '(string|element|function)'\n}\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TITLE   = '.popover-header'\nconst SELECTOR_CONTENT = '.popover-body'\n\nconst Event = {\n  HIDE       : `hide${EVENT_KEY}`,\n  HIDDEN     : `hidden${EVENT_KEY}`,\n  SHOW       : `show${EVENT_KEY}`,\n  SHOWN      : `shown${EVENT_KEY}`,\n  INSERTED   : `inserted${EVENT_KEY}`,\n  CLICK      : `click${EVENT_KEY}`,\n  FOCUSIN    : `focusin${EVENT_KEY}`,\n  FOCUSOUT   : `focusout${EVENT_KEY}`,\n  MOUSEENTER : `mouseenter${EVENT_KEY}`,\n  MOUSELEAVE : `mouseleave${EVENT_KEY}`\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Popover extends Tooltip {\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get NAME() {\n    return NAME\n  }\n\n  static get DATA_KEY() {\n    return DATA_KEY\n  }\n\n  static get Event() {\n    return Event\n  }\n\n  static get EVENT_KEY() {\n    return EVENT_KEY\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Overrides\n\n  isWithContent() {\n    return this.getTitle() || this._getContent()\n  }\n\n  addAttachmentClass(attachment) {\n    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n  }\n\n  getTipElement() {\n    this.tip = this.tip || $(this.config.template)[0]\n    return this.tip\n  }\n\n  setContent() {\n    const $tip = $(this.getTipElement())\n\n    // We use append for html objects to maintain js events\n    this.setElementContent($tip.find(SELECTOR_TITLE), this.getTitle())\n    let content = this._getContent()\n    if (typeof content === 'function') {\n      content = content.call(this.element)\n    }\n    this.setElementContent($tip.find(SELECTOR_CONTENT), content)\n\n    $tip.removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  // Private\n\n  _getContent() {\n    return this.element.getAttribute('data-content') ||\n      this.config.content\n  }\n\n  _cleanTipClass() {\n    const $tip = $(this.getTipElement())\n    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n    if (tabClass !== null && tabClass.length > 0) {\n      $tip.removeClass(tabClass.join(''))\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' ? config : null\n\n      if (!data && /dispose|hide/.test(config)) {\n        return\n      }\n\n      if (!data) {\n        data = new Popover(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Popover._jQueryInterface\n$.fn[NAME].Constructor = Popover\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Popover._jQueryInterface\n}\n\nexport default Popover\n"],"file":"popover.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/scrollspy.min.js b/theme/boost/amd/build/bootstrap/scrollspy.min.js
index 2fa14269d84..056d7cc09d1 100644
--- a/theme/boost/amd/build/bootstrap/scrollspy.min.js
+++ b/theme/boost/amd/build/bootstrap/scrollspy.min.js
@@ -1,2 +1,2 @@
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 //# sourceMappingURL=scrollspy.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/scrollspy.min.js.map b/theme/boost/amd/build/bootstrap/scrollspy.min.js.map
index 8d963369d8d..9b679943dad 100644
--- a/theme/boost/amd/build/bootstrap/scrollspy.min.js.map
+++ b/theme/boost/amd/build/bootstrap/scrollspy.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'scrollspy'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.scrollspy'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst Default = {\n  offset : 10,\n  method : 'auto',\n  target : ''\n}\n\nconst DefaultType = {\n  offset : 'number',\n  method : 'string',\n  target : '(string|element)'\n}\n\nconst EVENT_ACTIVATE      = `activate${EVENT_KEY}`\nconst EVENT_SCROLL        = `scroll${EVENT_KEY}`\nconst EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item'\nconst CLASS_NAME_ACTIVE        = 'active'\n\nconst SELECTOR_DATA_SPY        = '[data-spy=\"scroll\"]'\nconst SELECTOR_NAV_LIST_GROUP  = '.nav, .list-group'\nconst SELECTOR_NAV_LINKS       = '.nav-link'\nconst SELECTOR_NAV_ITEMS       = '.nav-item'\nconst SELECTOR_LIST_ITEMS      = '.list-group-item'\nconst SELECTOR_DROPDOWN        = '.dropdown'\nconst SELECTOR_DROPDOWN_ITEMS  = '.dropdown-item'\nconst SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'\n\nconst METHOD_OFFSET   = 'offset'\nconst METHOD_POSITION = 'position'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass ScrollSpy {\n  constructor(element, config) {\n    this._element       = element\n    this._scrollElement = element.tagName === 'BODY' ? window : element\n    this._config        = this._getConfig(config)\n    this._selector      = `${this._config.target} ${SELECTOR_NAV_LINKS},` +\n                          `${this._config.target} ${SELECTOR_LIST_ITEMS},` +\n                          `${this._config.target} ${SELECTOR_DROPDOWN_ITEMS}`\n    this._offsets       = []\n    this._targets       = []\n    this._activeTarget  = null\n    this._scrollHeight  = 0\n\n    $(this._scrollElement).on(EVENT_SCROLL, (event) => this._process(event))\n\n    this.refresh()\n    this._process()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  refresh() {\n    const autoMethod = this._scrollElement === this._scrollElement.window\n      ? METHOD_OFFSET : METHOD_POSITION\n\n    const offsetMethod = this._config.method === 'auto'\n      ? autoMethod : this._config.method\n\n    const offsetBase = offsetMethod === METHOD_POSITION\n      ? this._getScrollTop() : 0\n\n    this._offsets = []\n    this._targets = []\n\n    this._scrollHeight = this._getScrollHeight()\n\n    const targets = [].slice.call(document.querySelectorAll(this._selector))\n\n    targets\n      .map((element) => {\n        let target\n        const targetSelector = Util.getSelectorFromElement(element)\n\n        if (targetSelector) {\n          target = document.querySelector(targetSelector)\n        }\n\n        if (target) {\n          const targetBCR = target.getBoundingClientRect()\n          if (targetBCR.width || targetBCR.height) {\n            // TODO (fat): remove sketch reliance on jQuery position/offset\n            return [\n              $(target)[offsetMethod]().top + offsetBase,\n              targetSelector\n            ]\n          }\n        }\n        return null\n      })\n      .filter((item) => item)\n      .sort((a, b) => a[0] - b[0])\n      .forEach((item) => {\n        this._offsets.push(item[0])\n        this._targets.push(item[1])\n      })\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    $(this._scrollElement).off(EVENT_KEY)\n\n    this._element       = null\n    this._scrollElement = null\n    this._config        = null\n    this._selector      = null\n    this._offsets       = null\n    this._targets       = null\n    this._activeTarget  = null\n    this._scrollHeight  = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    if (typeof config.target !== 'string' && Util.isElement(config.target)) {\n      let id = $(config.target).attr('id')\n      if (!id) {\n        id = Util.getUID(NAME)\n        $(config.target).attr('id', id)\n      }\n      config.target = `#${id}`\n    }\n\n    Util.typeCheckConfig(NAME, config, DefaultType)\n\n    return config\n  }\n\n  _getScrollTop() {\n    return this._scrollElement === window\n      ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop\n  }\n\n  _getScrollHeight() {\n    return this._scrollElement.scrollHeight || Math.max(\n      document.body.scrollHeight,\n      document.documentElement.scrollHeight\n    )\n  }\n\n  _getOffsetHeight() {\n    return this._scrollElement === window\n      ? window.innerHeight : this._scrollElement.getBoundingClientRect().height\n  }\n\n  _process() {\n    const scrollTop    = this._getScrollTop() + this._config.offset\n    const scrollHeight = this._getScrollHeight()\n    const maxScroll    = this._config.offset + scrollHeight - this._getOffsetHeight()\n\n    if (this._scrollHeight !== scrollHeight) {\n      this.refresh()\n    }\n\n    if (scrollTop >= maxScroll) {\n      const target = this._targets[this._targets.length - 1]\n\n      if (this._activeTarget !== target) {\n        this._activate(target)\n      }\n      return\n    }\n\n    if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n      this._activeTarget = null\n      this._clear()\n      return\n    }\n\n    for (let i = this._offsets.length; i--;) {\n      const isActiveTarget = this._activeTarget !== this._targets[i] &&\n          scrollTop >= this._offsets[i] &&\n          (typeof this._offsets[i + 1] === 'undefined' ||\n              scrollTop < this._offsets[i + 1])\n\n      if (isActiveTarget) {\n        this._activate(this._targets[i])\n      }\n    }\n  }\n\n  _activate(target) {\n    this._activeTarget = target\n\n    this._clear()\n\n    const queries = this._selector\n      .split(',')\n      .map((selector) => `${selector}[data-target=\"${target}\"],${selector}[href=\"${target}\"]`)\n\n    const $link = $([].slice.call(document.querySelectorAll(queries.join(','))))\n\n    if ($link.hasClass(CLASS_NAME_DROPDOWN_ITEM)) {\n      $link.closest(SELECTOR_DROPDOWN)\n        .find(SELECTOR_DROPDOWN_TOGGLE)\n        .addClass(CLASS_NAME_ACTIVE)\n      $link.addClass(CLASS_NAME_ACTIVE)\n    } else {\n      // Set triggered link as active\n      $link.addClass(CLASS_NAME_ACTIVE)\n      // Set triggered links parents as active\n      // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n      $link.parents(SELECTOR_NAV_LIST_GROUP)\n        .prev(`${SELECTOR_NAV_LINKS}, ${SELECTOR_LIST_ITEMS}`)\n        .addClass(CLASS_NAME_ACTIVE)\n      // Handle special case when .nav-link is inside .nav-item\n      $link.parents(SELECTOR_NAV_LIST_GROUP)\n        .prev(SELECTOR_NAV_ITEMS)\n        .children(SELECTOR_NAV_LINKS)\n        .addClass(CLASS_NAME_ACTIVE)\n    }\n\n    $(this._scrollElement).trigger(EVENT_ACTIVATE, {\n      relatedTarget: target\n    })\n  }\n\n  _clear() {\n    [].slice.call(document.querySelectorAll(this._selector))\n      .filter((node) => node.classList.contains(CLASS_NAME_ACTIVE))\n      .forEach((node) => node.classList.remove(CLASS_NAME_ACTIVE))\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' && config\n\n      if (!data) {\n        data = new ScrollSpy(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  const scrollSpys = [].slice.call(document.querySelectorAll(SELECTOR_DATA_SPY))\n  const scrollSpysLength = scrollSpys.length\n\n  for (let i = scrollSpysLength; i--;) {\n    const $spy = $(scrollSpys[i])\n    ScrollSpy._jQueryInterface.call($spy, $spy.data())\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = ScrollSpy._jQueryInterface\n$.fn[NAME].Constructor = ScrollSpy\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return ScrollSpy._jQueryInterface\n}\n\nexport default ScrollSpy\n"],"file":"scrollspy.min.js"}
\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'scrollspy'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.scrollspy'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst Default = {\n  offset : 10,\n  method : 'auto',\n  target : ''\n}\n\nconst DefaultType = {\n  offset : 'number',\n  method : 'string',\n  target : '(string|element)'\n}\n\nconst EVENT_ACTIVATE      = `activate${EVENT_KEY}`\nconst EVENT_SCROLL        = `scroll${EVENT_KEY}`\nconst EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item'\nconst CLASS_NAME_ACTIVE        = 'active'\n\nconst SELECTOR_DATA_SPY        = '[data-spy=\"scroll\"]'\nconst SELECTOR_NAV_LIST_GROUP  = '.nav, .list-group'\nconst SELECTOR_NAV_LINKS       = '.nav-link'\nconst SELECTOR_NAV_ITEMS       = '.nav-item'\nconst SELECTOR_LIST_ITEMS      = '.list-group-item'\nconst SELECTOR_DROPDOWN        = '.dropdown'\nconst SELECTOR_DROPDOWN_ITEMS  = '.dropdown-item'\nconst SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'\n\nconst METHOD_OFFSET   = 'offset'\nconst METHOD_POSITION = 'position'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass ScrollSpy {\n  constructor(element, config) {\n    this._element       = element\n    this._scrollElement = element.tagName === 'BODY' ? window : element\n    this._config        = this._getConfig(config)\n    this._selector      = `${this._config.target} ${SELECTOR_NAV_LINKS},` +\n                          `${this._config.target} ${SELECTOR_LIST_ITEMS},` +\n                          `${this._config.target} ${SELECTOR_DROPDOWN_ITEMS}`\n    this._offsets       = []\n    this._targets       = []\n    this._activeTarget  = null\n    this._scrollHeight  = 0\n\n    $(this._scrollElement).on(EVENT_SCROLL, (event) => this._process(event))\n\n    this.refresh()\n    this._process()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  refresh() {\n    const autoMethod = this._scrollElement === this._scrollElement.window\n      ? METHOD_OFFSET : METHOD_POSITION\n\n    const offsetMethod = this._config.method === 'auto'\n      ? autoMethod : this._config.method\n\n    const offsetBase = offsetMethod === METHOD_POSITION\n      ? this._getScrollTop() : 0\n\n    this._offsets = []\n    this._targets = []\n\n    this._scrollHeight = this._getScrollHeight()\n\n    const targets = [].slice.call(document.querySelectorAll(this._selector))\n\n    targets\n      .map((element) => {\n        let target\n        const targetSelector = Util.getSelectorFromElement(element)\n\n        if (targetSelector) {\n          target = document.querySelector(targetSelector)\n        }\n\n        if (target) {\n          const targetBCR = target.getBoundingClientRect()\n          if (targetBCR.width || targetBCR.height) {\n            // TODO (fat): remove sketch reliance on jQuery position/offset\n            return [\n              $(target)[offsetMethod]().top + offsetBase,\n              targetSelector\n            ]\n          }\n        }\n        return null\n      })\n      .filter((item) => item)\n      .sort((a, b) => a[0] - b[0])\n      .forEach((item) => {\n        this._offsets.push(item[0])\n        this._targets.push(item[1])\n      })\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    $(this._scrollElement).off(EVENT_KEY)\n\n    this._element       = null\n    this._scrollElement = null\n    this._config        = null\n    this._selector      = null\n    this._offsets       = null\n    this._targets       = null\n    this._activeTarget  = null\n    this._scrollHeight  = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    if (typeof config.target !== 'string' && Util.isElement(config.target)) {\n      let id = $(config.target).attr('id')\n      if (!id) {\n        id = Util.getUID(NAME)\n        $(config.target).attr('id', id)\n      }\n      config.target = `#${id}`\n    }\n\n    Util.typeCheckConfig(NAME, config, DefaultType)\n\n    return config\n  }\n\n  _getScrollTop() {\n    return this._scrollElement === window\n      ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop\n  }\n\n  _getScrollHeight() {\n    return this._scrollElement.scrollHeight || Math.max(\n      document.body.scrollHeight,\n      document.documentElement.scrollHeight\n    )\n  }\n\n  _getOffsetHeight() {\n    return this._scrollElement === window\n      ? window.innerHeight : this._scrollElement.getBoundingClientRect().height\n  }\n\n  _process() {\n    const scrollTop    = this._getScrollTop() + this._config.offset\n    const scrollHeight = this._getScrollHeight()\n    const maxScroll    = this._config.offset + scrollHeight - this._getOffsetHeight()\n\n    if (this._scrollHeight !== scrollHeight) {\n      this.refresh()\n    }\n\n    if (scrollTop >= maxScroll) {\n      const target = this._targets[this._targets.length - 1]\n\n      if (this._activeTarget !== target) {\n        this._activate(target)\n      }\n      return\n    }\n\n    if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n      this._activeTarget = null\n      this._clear()\n      return\n    }\n\n    for (let i = this._offsets.length; i--;) {\n      const isActiveTarget = this._activeTarget !== this._targets[i] &&\n          scrollTop >= this._offsets[i] &&\n          (typeof this._offsets[i + 1] === 'undefined' ||\n              scrollTop < this._offsets[i + 1])\n\n      if (isActiveTarget) {\n        this._activate(this._targets[i])\n      }\n    }\n  }\n\n  _activate(target) {\n    this._activeTarget = target\n\n    this._clear()\n\n    const queries = this._selector\n      .split(',')\n      .map((selector) => `${selector}[data-target=\"${target}\"],${selector}[href=\"${target}\"]`)\n\n    const $link = $([].slice.call(document.querySelectorAll(queries.join(','))))\n\n    if ($link.hasClass(CLASS_NAME_DROPDOWN_ITEM)) {\n      $link.closest(SELECTOR_DROPDOWN)\n        .find(SELECTOR_DROPDOWN_TOGGLE)\n        .addClass(CLASS_NAME_ACTIVE)\n      $link.addClass(CLASS_NAME_ACTIVE)\n    } else {\n      // Set triggered link as active\n      $link.addClass(CLASS_NAME_ACTIVE)\n      // Set triggered links parents as active\n      // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n      $link.parents(SELECTOR_NAV_LIST_GROUP)\n        .prev(`${SELECTOR_NAV_LINKS}, ${SELECTOR_LIST_ITEMS}`)\n        .addClass(CLASS_NAME_ACTIVE)\n      // Handle special case when .nav-link is inside .nav-item\n      $link.parents(SELECTOR_NAV_LIST_GROUP)\n        .prev(SELECTOR_NAV_ITEMS)\n        .children(SELECTOR_NAV_LINKS)\n        .addClass(CLASS_NAME_ACTIVE)\n    }\n\n    $(this._scrollElement).trigger(EVENT_ACTIVATE, {\n      relatedTarget: target\n    })\n  }\n\n  _clear() {\n    [].slice.call(document.querySelectorAll(this._selector))\n      .filter((node) => node.classList.contains(CLASS_NAME_ACTIVE))\n      .forEach((node) => node.classList.remove(CLASS_NAME_ACTIVE))\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' && config\n\n      if (!data) {\n        data = new ScrollSpy(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  const scrollSpys = [].slice.call(document.querySelectorAll(SELECTOR_DATA_SPY))\n  const scrollSpysLength = scrollSpys.length\n\n  for (let i = scrollSpysLength; i--;) {\n    const $spy = $(scrollSpys[i])\n    ScrollSpy._jQueryInterface.call($spy, $spy.data())\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = ScrollSpy._jQueryInterface\n$.fn[NAME].Constructor = ScrollSpy\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return ScrollSpy._jQueryInterface\n}\n\nexport default ScrollSpy\n"],"file":"scrollspy.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/tab.min.js b/theme/boost/amd/build/bootstrap/tab.min.js
index 2421fb07106..df6df4c8c73 100644
--- a/theme/boost/amd/build/bootstrap/tab.min.js
+++ b/theme/boost/amd/build/bootstrap/tab.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/tab",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function f(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function g(a,b,c){if(b)f(a.prototype,b);if(c)f(a,c);return a}var h="bs.tab",i=".".concat(h),j=b.default.fn.tab,k="hide".concat(i),l="hidden".concat(i),m="show".concat(i),n="shown".concat(i),o="click".concat(i).concat(".data-api"),p="active",q="fade",r="show",s=".active",t="> li > .active",u=function(){function a(b){e(this,a);this._element=b}g(a,[{key:"show",value:function show(){var a=this;if(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&(0,b.default)(this._element).hasClass(p)||(0,b.default)(this._element).hasClass("disabled")){return}var d,e,f=(0,b.default)(this._element).closest(".nav, .list-group")[0],g=c.default.getSelectorFromElement(this._element);if(f){var o="UL"===f.nodeName||"OL"===f.nodeName?t:s;e=b.default.makeArray((0,b.default)(f).find(o));e=e[e.length-1]}var h=b.default.Event(k,{relatedTarget:this._element}),i=b.default.Event(m,{relatedTarget:e});if(e){(0,b.default)(e).trigger(h)}(0,b.default)(this._element).trigger(i);if(i.isDefaultPrevented()||h.isDefaultPrevented()){return}if(g){d=document.querySelector(g)}this._activate(this._element,f);var j=function(){var c=b.default.Event(l,{relatedTarget:a._element}),d=b.default.Event(n,{relatedTarget:e});(0,b.default)(e).trigger(c);(0,b.default)(a._element).trigger(d)};if(d){this._activate(d,d.parentNode,j)}else{j()}}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,h);this._element=null}},{key:"_activate",value:function _activate(a,d,e){var f=this,g=d&&("UL"===d.nodeName||"OL"===d.nodeName)?(0,b.default)(d).find(t):(0,b.default)(d).children(s),h=g[0],i=e&&h&&(0,b.default)(h).hasClass(q),j=function(){return f._transitionComplete(a,h,e)};if(h&&i){var k=c.default.getTransitionDurationFromElement(h);(0,b.default)(h).removeClass(r).one(c.default.TRANSITION_END,j).emulateTransitionEnd(k)}else{j()}}},{key:"_transitionComplete",value:function _transitionComplete(a,d,e){if(d){(0,b.default)(d).removeClass(p);var f=(0,b.default)(d.parentNode).find("> .dropdown-menu .active")[0];if(f){(0,b.default)(f).removeClass(p)}if("tab"===d.getAttribute("role")){d.setAttribute("aria-selected",!1)}}(0,b.default)(a).addClass(p);if("tab"===a.getAttribute("role")){a.setAttribute("aria-selected",!0)}c.default.reflow(a);if(a.classList.contains(q)){a.classList.add(r)}if(a.parentNode&&(0,b.default)(a.parentNode).hasClass("dropdown-menu")){var g=(0,b.default)(a).closest(".dropdown")[0];if(g){var h=[].slice.call(g.querySelectorAll(".dropdown-toggle"));(0,b.default)(h).addClass(p)}a.setAttribute("aria-expanded",!0)}if(e){e()}}}],[{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this),e=d.data(h);if(!e){e=new a(this);d.data(h,e)}if("string"==typeof c){if("undefined"==typeof e[c]){throw new TypeError("No method named \"".concat(c,"\""))}e[c]()}})}},{key:"VERSION",get:function get(){return"4.5.0"}}]);return a}();(0,b.default)(document).on(o,"[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]",function(a){a.preventDefault();u._jQueryInterface.call((0,b.default)(this),"show")});b.default.fn.tab=u._jQueryInterface;b.default.fn.tab.Constructor=u;b.default.fn.tab.noConflict=function(){b.default.fn.tab=j;return u._jQueryInterface};a.default=u;return a.default});
+define ("theme_boost/bootstrap/tab",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function f(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function g(a,b,c){if(b)f(a.prototype,b);if(c)f(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var h="bs.tab",i=".".concat(h),j=b.default.fn.tab,k="hide".concat(i),l="hidden".concat(i),m="show".concat(i),n="shown".concat(i),o="click".concat(i).concat(".data-api"),p="active",q="fade",r="show",s=".active",t="> li > .active",u=function(){function a(b){e(this,a);this._element=b}g(a,[{key:"show",value:function show(){var a=this;if(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&(0,b.default)(this._element).hasClass(p)||(0,b.default)(this._element).hasClass("disabled")){return}var d,e,f=(0,b.default)(this._element).closest(".nav, .list-group")[0],g=c.default.getSelectorFromElement(this._element);if(f){var o="UL"===f.nodeName||"OL"===f.nodeName?t:s;e=b.default.makeArray((0,b.default)(f).find(o));e=e[e.length-1]}var h=b.default.Event(k,{relatedTarget:this._element}),i=b.default.Event(m,{relatedTarget:e});if(e){(0,b.default)(e).trigger(h)}(0,b.default)(this._element).trigger(i);if(i.isDefaultPrevented()||h.isDefaultPrevented()){return}if(g){d=document.querySelector(g)}this._activate(this._element,f);var j=function(){var c=b.default.Event(l,{relatedTarget:a._element}),d=b.default.Event(n,{relatedTarget:e});(0,b.default)(e).trigger(c);(0,b.default)(a._element).trigger(d)};if(d){this._activate(d,d.parentNode,j)}else{j()}}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,h);this._element=null}},{key:"_activate",value:function _activate(a,d,e){var f=this,g=d&&("UL"===d.nodeName||"OL"===d.nodeName)?(0,b.default)(d).find(t):(0,b.default)(d).children(s),h=g[0],i=e&&h&&(0,b.default)(h).hasClass(q),j=function(){return f._transitionComplete(a,h,e)};if(h&&i){var k=c.default.getTransitionDurationFromElement(h);(0,b.default)(h).removeClass(r).one(c.default.TRANSITION_END,j).emulateTransitionEnd(k)}else{j()}}},{key:"_transitionComplete",value:function _transitionComplete(a,d,e){if(d){(0,b.default)(d).removeClass(p);var f=(0,b.default)(d.parentNode).find("> .dropdown-menu .active")[0];if(f){(0,b.default)(f).removeClass(p)}if("tab"===d.getAttribute("role")){d.setAttribute("aria-selected",!1)}}(0,b.default)(a).addClass(p);if("tab"===a.getAttribute("role")){a.setAttribute("aria-selected",!0)}c.default.reflow(a);if(a.classList.contains(q)){a.classList.add(r)}if(a.parentNode&&(0,b.default)(a.parentNode).hasClass("dropdown-menu")){var g=(0,b.default)(a).closest(".dropdown")[0];if(g){var h=[].slice.call(g.querySelectorAll(".dropdown-toggle"));(0,b.default)(h).addClass(p)}a.setAttribute("aria-expanded",!0)}if(e){e()}}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this),e=d.data(h);if(!e){e=new a(this);d.data(h,e)}if("string"==typeof c){if("undefined"==typeof e[c]){throw new TypeError("No method named \"".concat(c,"\""))}e[c]()}})}}]);return a}();(0,b.default)(document).on(o,"[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]",function(a){a.preventDefault();u._jQueryInterface.call((0,b.default)(this),"show")});b.default.fn.tab=u._jQueryInterface;b.default.fn.tab.Constructor=u;b.default.fn.tab.noConflict=function(){b.default.fn.tab=j;return u._jQueryInterface};a.default=u;return a.default});
 //# sourceMappingURL=tab.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/tab.min.js.map b/theme/boost/amd/build/bootstrap/tab.min.js.map
index 989a659c751..3cd50087582 100644
--- a/theme/boost/amd/build/bootstrap/tab.min.js.map
+++ b/theme/boost/amd/build/bootstrap/tab.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'tab'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.tab'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_HIDE           = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN         = `hidden${EVENT_KEY}`\nconst EVENT_SHOW           = `show${EVENT_KEY}`\nconst EVENT_SHOWN          = `shown${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu'\nconst CLASS_NAME_ACTIVE        = 'active'\nconst CLASS_NAME_DISABLED      = 'disabled'\nconst CLASS_NAME_FADE          = 'fade'\nconst CLASS_NAME_SHOW          = 'show'\n\nconst SELECTOR_DROPDOWN              = '.dropdown'\nconst SELECTOR_NAV_LIST_GROUP        = '.nav, .list-group'\nconst SELECTOR_ACTIVE                = '.active'\nconst SELECTOR_ACTIVE_UL             = '> li > .active'\nconst SELECTOR_DATA_TOGGLE           = '[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]'\nconst SELECTOR_DROPDOWN_TOGGLE       = '.dropdown-toggle'\nconst SELECTOR_DROPDOWN_ACTIVE_CHILD = '> .dropdown-menu .active'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Tab {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  show() {\n    if (this._element.parentNode &&\n        this._element.parentNode.nodeType === Node.ELEMENT_NODE &&\n        $(this._element).hasClass(CLASS_NAME_ACTIVE) ||\n        $(this._element).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    let target\n    let previous\n    const listElement = $(this._element).closest(SELECTOR_NAV_LIST_GROUP)[0]\n    const selector = Util.getSelectorFromElement(this._element)\n\n    if (listElement) {\n      const itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE\n      previous = $.makeArray($(listElement).find(itemSelector))\n      previous = previous[previous.length - 1]\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE, {\n      relatedTarget: this._element\n    })\n\n    const showEvent = $.Event(EVENT_SHOW, {\n      relatedTarget: previous\n    })\n\n    if (previous) {\n      $(previous).trigger(hideEvent)\n    }\n\n    $(this._element).trigger(showEvent)\n\n    if (showEvent.isDefaultPrevented() ||\n        hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (selector) {\n      target = document.querySelector(selector)\n    }\n\n    this._activate(\n      this._element,\n      listElement\n    )\n\n    const complete = () => {\n      const hiddenEvent = $.Event(EVENT_HIDDEN, {\n        relatedTarget: this._element\n      })\n\n      const shownEvent = $.Event(EVENT_SHOWN, {\n        relatedTarget: previous\n      })\n\n      $(previous).trigger(hiddenEvent)\n      $(this._element).trigger(shownEvent)\n    }\n\n    if (target) {\n      this._activate(target, target.parentNode, complete)\n    } else {\n      complete()\n    }\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Private\n\n  _activate(element, container, callback) {\n    const activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL')\n      ? $(container).find(SELECTOR_ACTIVE_UL)\n      : $(container).children(SELECTOR_ACTIVE)\n\n    const active = activeElements[0]\n    const isTransitioning = callback && (active && $(active).hasClass(CLASS_NAME_FADE))\n    const complete = () => this._transitionComplete(\n      element,\n      active,\n      callback\n    )\n\n    if (active && isTransitioning) {\n      const transitionDuration = Util.getTransitionDurationFromElement(active)\n\n      $(active)\n        .removeClass(CLASS_NAME_SHOW)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  _transitionComplete(element, active, callback) {\n    if (active) {\n      $(active).removeClass(CLASS_NAME_ACTIVE)\n\n      const dropdownChild = $(active.parentNode).find(\n        SELECTOR_DROPDOWN_ACTIVE_CHILD\n      )[0]\n\n      if (dropdownChild) {\n        $(dropdownChild).removeClass(CLASS_NAME_ACTIVE)\n      }\n\n      if (active.getAttribute('role') === 'tab') {\n        active.setAttribute('aria-selected', false)\n      }\n    }\n\n    $(element).addClass(CLASS_NAME_ACTIVE)\n    if (element.getAttribute('role') === 'tab') {\n      element.setAttribute('aria-selected', true)\n    }\n\n    Util.reflow(element)\n\n    if (element.classList.contains(CLASS_NAME_FADE)) {\n      element.classList.add(CLASS_NAME_SHOW)\n    }\n\n    if (element.parentNode && $(element.parentNode).hasClass(CLASS_NAME_DROPDOWN_MENU)) {\n      const dropdownElement = $(element).closest(SELECTOR_DROPDOWN)[0]\n\n      if (dropdownElement) {\n        const dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(SELECTOR_DROPDOWN_TOGGLE))\n\n        $(dropdownToggleList).addClass(CLASS_NAME_ACTIVE)\n      }\n\n      element.setAttribute('aria-expanded', true)\n    }\n\n    if (callback) {\n      callback()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $this = $(this)\n      let data = $this.data(DATA_KEY)\n\n      if (!data) {\n        data = new Tab(this)\n        $this.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    Tab._jQueryInterface.call($(this), 'show')\n  })\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Tab._jQueryInterface\n$.fn[NAME].Constructor = Tab\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Tab._jQueryInterface\n}\n\nexport default Tab\n"],"file":"tab.min.js"}
\ No newline at end of file
+{"version":3,"sources":["../../src/bootstrap/tab.js"],"names":["DATA_KEY","EVENT_KEY","JQUERY_NO_CONFLICT","$","fn","EVENT_HIDE","EVENT_HIDDEN","EVENT_SHOW","EVENT_SHOWN","EVENT_CLICK_DATA_API","CLASS_NAME_ACTIVE","CLASS_NAME_FADE","CLASS_NAME_SHOW","SELECTOR_ACTIVE","SELECTOR_ACTIVE_UL","Tab","element","_element","parentNode","nodeType","Node","ELEMENT_NODE","hasClass","target","previous","listElement","closest","selector","Util","getSelectorFromElement","itemSelector","nodeName","makeArray","find","length","hideEvent","Event","relatedTarget","showEvent","trigger","isDefaultPrevented","document","querySelector","_activate","complete","hiddenEvent","shownEvent","removeData","container","callback","activeElements","children","active","isTransitioning","_transitionComplete","transitionDuration","getTransitionDurationFromElement","removeClass","one","TRANSITION_END","emulateTransitionEnd","dropdownChild","getAttribute","setAttribute","addClass","reflow","classList","contains","add","dropdownElement","dropdownToggleList","slice","call","querySelectorAll","config","each","$this","data","TypeError","on","event","preventDefault","_jQueryInterface","Constructor","noConflict"],"mappings":"iKAOA,OACA,O,0aAUMA,CAAAA,CAAQ,CAAa,Q,CACrBC,CAAS,YAAgBD,CAAhB,C,CAETE,CAAkB,CAAGC,UAAEC,EAAF,I,CAErBC,CAAU,eAAoBJ,CAApB,C,CACVK,CAAY,iBAAoBL,CAApB,C,CACZM,CAAU,eAAoBN,CAApB,C,CACVO,CAAW,gBAAoBP,CAApB,C,CACXQ,CAAoB,gBAAWR,CAAX,SAPC,WAOD,C,CAGpBS,CAAiB,CAAU,Q,CAE3BC,CAAe,CAAY,M,CAC3BC,CAAe,CAAY,M,CAI3BC,CAAe,CAAkB,S,CACjCC,CAAkB,CAAe,gB,CAWjCC,C,YACJ,WAAYC,CAAZ,CAAqB,WACnB,KAAKC,QAAL,CAAgBD,CACjB,C,uBAUD,eAAO,YACL,GAAI,KAAKC,QAAL,CAAcC,UAAd,EACA,KAAKD,QAAL,CAAcC,UAAd,CAAyBC,QAAzB,GAAsCC,IAAI,CAACC,YAD3C,EAEA,cAAE,KAAKJ,QAAP,EAAiBK,QAAjB,CAA0BZ,CAA1B,CAFA,EAGA,cAAE,KAAKO,QAAP,EAAiBK,QAAjB,CAnCyB,UAmCzB,CAHJ,CAGoD,CAClD,MACD,CANI,GAQDC,CAAAA,CARC,CASDC,CATC,CAUCC,CAAW,CAAG,cAAE,KAAKR,QAAP,EAAiBS,OAAjB,CApCe,mBAoCf,EAAkD,CAAlD,CAVf,CAWCC,CAAQ,CAAGC,UAAKC,sBAAL,CAA4B,KAAKZ,QAAjC,CAXZ,CAaL,GAAIQ,CAAJ,CAAiB,CACf,GAAMK,CAAAA,CAAY,CAA4B,IAAzB,GAAAL,CAAW,CAACM,QAAZ,EAA0D,IAAzB,GAAAN,CAAW,CAACM,QAA7C,CAAiEjB,CAAjE,CAAsFD,CAA3G,CACAW,CAAQ,CAAGrB,UAAE6B,SAAF,CAAY,cAAEP,CAAF,EAAeQ,IAAf,CAAoBH,CAApB,CAAZ,CAAX,CACAN,CAAQ,CAAGA,CAAQ,CAACA,CAAQ,CAACU,MAAT,CAAkB,CAAnB,CACpB,CAjBI,GAmBCC,CAAAA,CAAS,CAAGhC,UAAEiC,KAAF,CAAQ/B,CAAR,CAAoB,CACpCgC,aAAa,CAAE,KAAKpB,QADgB,CAApB,CAnBb,CAuBCqB,CAAS,CAAGnC,UAAEiC,KAAF,CAAQ7B,CAAR,CAAoB,CACpC8B,aAAa,CAAEb,CADqB,CAApB,CAvBb,CA2BL,GAAIA,CAAJ,CAAc,CACZ,cAAEA,CAAF,EAAYe,OAAZ,CAAoBJ,CAApB,CACD,CAED,cAAE,KAAKlB,QAAP,EAAiBsB,OAAjB,CAAyBD,CAAzB,EAEA,GAAIA,CAAS,CAACE,kBAAV,IACAL,CAAS,CAACK,kBAAV,EADJ,CACoC,CAClC,MACD,CAED,GAAIb,CAAJ,CAAc,CACZJ,CAAM,CAAGkB,QAAQ,CAACC,aAAT,CAAuBf,CAAvB,CACV,CAED,KAAKgB,SAAL,CACE,KAAK1B,QADP,CAEEQ,CAFF,EAKA,GAAMmB,CAAAA,CAAQ,CAAG,UAAM,IACfC,CAAAA,CAAW,CAAG1C,UAAEiC,KAAF,CAAQ9B,CAAR,CAAsB,CACxC+B,aAAa,CAAE,CAAI,CAACpB,QADoB,CAAtB,CADC,CAKf6B,CAAU,CAAG3C,UAAEiC,KAAF,CAAQ5B,CAAR,CAAqB,CACtC6B,aAAa,CAAEb,CADuB,CAArB,CALE,CASrB,cAAEA,CAAF,EAAYe,OAAZ,CAAoBM,CAApB,EACA,cAAE,CAAI,CAAC5B,QAAP,EAAiBsB,OAAjB,CAAyBO,CAAzB,CACD,CAXD,CAaA,GAAIvB,CAAJ,CAAY,CACV,KAAKoB,SAAL,CAAepB,CAAf,CAAuBA,CAAM,CAACL,UAA9B,CAA0C0B,CAA1C,CACD,CAFD,IAEO,CACLA,CAAQ,EACT,CACF,C,uBAED,kBAAU,CACRzC,UAAE4C,UAAF,CAAa,KAAK9B,QAAlB,CAA4BjB,CAA5B,EACA,KAAKiB,QAAL,CAAgB,IACjB,C,yBAID,mBAAUD,CAAV,CAAmBgC,CAAnB,CAA8BC,CAA9B,CAAwC,YAChCC,CAAc,CAAGF,CAAS,GAA4B,IAAvB,GAAAA,CAAS,CAACjB,QAAV,EAAsD,IAAvB,GAAAiB,CAAS,CAACjB,QAA9C,CAAT,CACnB,cAAEiB,CAAF,EAAaf,IAAb,CAAkBnB,CAAlB,CADmB,CAEnB,cAAEkC,CAAF,EAAaG,QAAb,CAAsBtC,CAAtB,CAHkC,CAKhCuC,CAAM,CAAGF,CAAc,CAAC,CAAD,CALS,CAMhCG,CAAe,CAAGJ,CAAQ,EAAKG,CAAM,EAAI,cAAEA,CAAF,EAAU9B,QAAV,CAAmBX,CAAnB,CANT,CAOhCiC,CAAQ,CAAG,iBAAM,CAAA,CAAI,CAACU,mBAAL,CACrBtC,CADqB,CAErBoC,CAFqB,CAGrBH,CAHqB,CAAN,CAPqB,CAatC,GAAIG,CAAM,EAAIC,CAAd,CAA+B,CAC7B,GAAME,CAAAA,CAAkB,CAAG3B,UAAK4B,gCAAL,CAAsCJ,CAAtC,CAA3B,CAEA,cAAEA,CAAF,EACGK,WADH,CACe7C,CADf,EAEG8C,GAFH,CAEO9B,UAAK+B,cAFZ,CAE4Bf,CAF5B,EAGGgB,oBAHH,CAGwBL,CAHxB,CAID,CAPD,IAOO,CACLX,CAAQ,EACT,CACF,C,mCAED,6BAAoB5B,CAApB,CAA6BoC,CAA7B,CAAqCH,CAArC,CAA+C,CAC7C,GAAIG,CAAJ,CAAY,CACV,cAAEA,CAAF,EAAUK,WAAV,CAAsB/C,CAAtB,EAEA,GAAMmD,CAAAA,CAAa,CAAG,cAAET,CAAM,CAAClC,UAAT,EAAqBe,IAArB,CA5HW,0BA4HX,EAEpB,CAFoB,CAAtB,CAIA,GAAI4B,CAAJ,CAAmB,CACjB,cAAEA,CAAF,EAAiBJ,WAAjB,CAA6B/C,CAA7B,CACD,CAED,GAAoC,KAAhC,GAAA0C,CAAM,CAACU,YAAP,CAAoB,MAApB,CAAJ,CAA2C,CACzCV,CAAM,CAACW,YAAP,CAAoB,eAApB,IACD,CACF,CAED,cAAE/C,CAAF,EAAWgD,QAAX,CAAoBtD,CAApB,EACA,GAAqC,KAAjC,GAAAM,CAAO,CAAC8C,YAAR,CAAqB,MAArB,CAAJ,CAA4C,CAC1C9C,CAAO,CAAC+C,YAAR,CAAqB,eAArB,IACD,CAEDnC,UAAKqC,MAAL,CAAYjD,CAAZ,EAEA,GAAIA,CAAO,CAACkD,SAAR,CAAkBC,QAAlB,CAA2BxD,CAA3B,CAAJ,CAAiD,CAC/CK,CAAO,CAACkD,SAAR,CAAkBE,GAAlB,CAAsBxD,CAAtB,CACD,CAED,GAAII,CAAO,CAACE,UAAR,EAAsB,cAAEF,CAAO,CAACE,UAAV,EAAsBI,QAAtB,CAhKG,eAgKH,CAA1B,CAAoF,CAClF,GAAM+C,CAAAA,CAAe,CAAG,cAAErD,CAAF,EAAWU,OAAX,CA3JS,WA2JT,EAAsC,CAAtC,CAAxB,CAEA,GAAI2C,CAAJ,CAAqB,CACnB,GAAMC,CAAAA,CAAkB,CAAG,GAAGC,KAAH,CAASC,IAAT,CAAcH,CAAe,CAACI,gBAAhB,CAzJV,kBAy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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'tab'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.tab'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_HIDE           = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN         = `hidden${EVENT_KEY}`\nconst EVENT_SHOW           = `show${EVENT_KEY}`\nconst EVENT_SHOWN          = `shown${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu'\nconst CLASS_NAME_ACTIVE        = 'active'\nconst CLASS_NAME_DISABLED      = 'disabled'\nconst CLASS_NAME_FADE          = 'fade'\nconst CLASS_NAME_SHOW          = 'show'\n\nconst SELECTOR_DROPDOWN              = '.dropdown'\nconst SELECTOR_NAV_LIST_GROUP        = '.nav, .list-group'\nconst SELECTOR_ACTIVE                = '.active'\nconst SELECTOR_ACTIVE_UL             = '> li > .active'\nconst SELECTOR_DATA_TOGGLE           = '[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]'\nconst SELECTOR_DROPDOWN_TOGGLE       = '.dropdown-toggle'\nconst SELECTOR_DROPDOWN_ACTIVE_CHILD = '> .dropdown-menu .active'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Tab {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  show() {\n    if (this._element.parentNode &&\n        this._element.parentNode.nodeType === Node.ELEMENT_NODE &&\n        $(this._element).hasClass(CLASS_NAME_ACTIVE) ||\n        $(this._element).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    let target\n    let previous\n    const listElement = $(this._element).closest(SELECTOR_NAV_LIST_GROUP)[0]\n    const selector = Util.getSelectorFromElement(this._element)\n\n    if (listElement) {\n      const itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE\n      previous = $.makeArray($(listElement).find(itemSelector))\n      previous = previous[previous.length - 1]\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE, {\n      relatedTarget: this._element\n    })\n\n    const showEvent = $.Event(EVENT_SHOW, {\n      relatedTarget: previous\n    })\n\n    if (previous) {\n      $(previous).trigger(hideEvent)\n    }\n\n    $(this._element).trigger(showEvent)\n\n    if (showEvent.isDefaultPrevented() ||\n        hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (selector) {\n      target = document.querySelector(selector)\n    }\n\n    this._activate(\n      this._element,\n      listElement\n    )\n\n    const complete = () => {\n      const hiddenEvent = $.Event(EVENT_HIDDEN, {\n        relatedTarget: this._element\n      })\n\n      const shownEvent = $.Event(EVENT_SHOWN, {\n        relatedTarget: previous\n      })\n\n      $(previous).trigger(hiddenEvent)\n      $(this._element).trigger(shownEvent)\n    }\n\n    if (target) {\n      this._activate(target, target.parentNode, complete)\n    } else {\n      complete()\n    }\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Private\n\n  _activate(element, container, callback) {\n    const activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL')\n      ? $(container).find(SELECTOR_ACTIVE_UL)\n      : $(container).children(SELECTOR_ACTIVE)\n\n    const active = activeElements[0]\n    const isTransitioning = callback && (active && $(active).hasClass(CLASS_NAME_FADE))\n    const complete = () => this._transitionComplete(\n      element,\n      active,\n      callback\n    )\n\n    if (active && isTransitioning) {\n      const transitionDuration = Util.getTransitionDurationFromElement(active)\n\n      $(active)\n        .removeClass(CLASS_NAME_SHOW)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  _transitionComplete(element, active, callback) {\n    if (active) {\n      $(active).removeClass(CLASS_NAME_ACTIVE)\n\n      const dropdownChild = $(active.parentNode).find(\n        SELECTOR_DROPDOWN_ACTIVE_CHILD\n      )[0]\n\n      if (dropdownChild) {\n        $(dropdownChild).removeClass(CLASS_NAME_ACTIVE)\n      }\n\n      if (active.getAttribute('role') === 'tab') {\n        active.setAttribute('aria-selected', false)\n      }\n    }\n\n    $(element).addClass(CLASS_NAME_ACTIVE)\n    if (element.getAttribute('role') === 'tab') {\n      element.setAttribute('aria-selected', true)\n    }\n\n    Util.reflow(element)\n\n    if (element.classList.contains(CLASS_NAME_FADE)) {\n      element.classList.add(CLASS_NAME_SHOW)\n    }\n\n    if (element.parentNode && $(element.parentNode).hasClass(CLASS_NAME_DROPDOWN_MENU)) {\n      const dropdownElement = $(element).closest(SELECTOR_DROPDOWN)[0]\n\n      if (dropdownElement) {\n        const dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(SELECTOR_DROPDOWN_TOGGLE))\n\n        $(dropdownToggleList).addClass(CLASS_NAME_ACTIVE)\n      }\n\n      element.setAttribute('aria-expanded', true)\n    }\n\n    if (callback) {\n      callback()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $this = $(this)\n      let data = $this.data(DATA_KEY)\n\n      if (!data) {\n        data = new Tab(this)\n        $this.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    Tab._jQueryInterface.call($(this), 'show')\n  })\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Tab._jQueryInterface\n$.fn[NAME].Constructor = Tab\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Tab._jQueryInterface\n}\n\nexport default Tab\n"],"file":"tab.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/toast.min.js b/theme/boost/amd/build/bootstrap/toast.min.js
index de29992a3fa..e91e3f80193 100644
--- a/theme/boost/amd/build/bootstrap/toast.min.js
+++ b/theme/boost/amd/build/bootstrap/toast.min.js
@@ -1,2 +1,2 @@
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 //# sourceMappingURL=toast.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/toast.min.js.map b/theme/boost/amd/build/bootstrap/toast.min.js.map
index 3b9179a53f8..8824129e753 100644
--- a/theme/boost/amd/build/bootstrap/toast.min.js.map
+++ b/theme/boost/amd/build/bootstrap/toast.min.js.map
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): toast.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'toast'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.toast'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`\nconst EVENT_HIDE          = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN        = `hidden${EVENT_KEY}`\nconst EVENT_SHOW          = `show${EVENT_KEY}`\nconst EVENT_SHOWN         = `shown${EVENT_KEY}`\n\nconst CLASS_NAME_FADE    = 'fade'\nconst CLASS_NAME_HIDE    = 'hide'\nconst CLASS_NAME_SHOW    = 'show'\nconst CLASS_NAME_SHOWING = 'showing'\n\nconst DefaultType = {\n  animation : 'boolean',\n  autohide  : 'boolean',\n  delay     : 'number'\n}\n\nconst Default = {\n  animation : true,\n  autohide  : true,\n  delay     : 500\n}\n\nconst SELECTOR_DATA_DISMISS = '[data-dismiss=\"toast\"]'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Toast {\n  constructor(element, config) {\n    this._element = element\n    this._config  = this._getConfig(config)\n    this._timeout = null\n    this._setListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  show() {\n    const showEvent = $.Event(EVENT_SHOW)\n\n    $(this._element).trigger(showEvent)\n    if (showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (this._config.animation) {\n      this._element.classList.add(CLASS_NAME_FADE)\n    }\n\n    const complete = () => {\n      this._element.classList.remove(CLASS_NAME_SHOWING)\n      this._element.classList.add(CLASS_NAME_SHOW)\n\n      $(this._element).trigger(EVENT_SHOWN)\n\n      if (this._config.autohide) {\n        this._timeout = setTimeout(() => {\n          this.hide()\n        }, this._config.delay)\n      }\n    }\n\n    this._element.classList.remove(CLASS_NAME_HIDE)\n    Util.reflow(this._element)\n    this._element.classList.add(CLASS_NAME_SHOWING)\n    if (this._config.animation) {\n      const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  hide() {\n    if (!this._element.classList.contains(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE)\n\n    $(this._element).trigger(hideEvent)\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._close()\n  }\n\n  dispose() {\n    clearTimeout(this._timeout)\n    this._timeout = null\n\n    if (this._element.classList.contains(CLASS_NAME_SHOW)) {\n      this._element.classList.remove(CLASS_NAME_SHOW)\n    }\n\n    $(this._element).off(EVENT_CLICK_DISMISS)\n\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n    this._config  = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...$(this._element).data(),\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    return config\n  }\n\n  _setListeners() {\n    $(this._element).on(EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, () => this.hide())\n  }\n\n  _close() {\n    const complete = () => {\n      this._element.classList.add(CLASS_NAME_HIDE)\n      $(this._element).trigger(EVENT_HIDDEN)\n    }\n\n    this._element.classList.remove(CLASS_NAME_SHOW)\n    if (this._config.animation) {\n      const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $element = $(this)\n      let data       = $element.data(DATA_KEY)\n      const _config  = typeof config === 'object' && config\n\n      if (!data) {\n        data = new Toast(this, _config)\n        $element.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n\n        data[config](this)\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME]             = Toast._jQueryInterface\n$.fn[NAME].Constructor = Toast\n$.fn[NAME].noConflict  = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Toast._jQueryInterface\n}\n\nexport default Toast\n"],"file":"toast.min.js"}
\ No newline at end of file
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): toast.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'toast'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.toast'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`\nconst EVENT_HIDE          = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN        = `hidden${EVENT_KEY}`\nconst EVENT_SHOW          = `show${EVENT_KEY}`\nconst EVENT_SHOWN         = `shown${EVENT_KEY}`\n\nconst CLASS_NAME_FADE    = 'fade'\nconst CLASS_NAME_HIDE    = 'hide'\nconst CLASS_NAME_SHOW    = 'show'\nconst CLASS_NAME_SHOWING = 'showing'\n\nconst DefaultType = {\n  animation : 'boolean',\n  autohide  : 'boolean',\n  delay     : 'number'\n}\n\nconst Default = {\n  animation : true,\n  autohide  : true,\n  delay     : 500\n}\n\nconst SELECTOR_DATA_DISMISS = '[data-dismiss=\"toast\"]'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Toast {\n  constructor(element, config) {\n    this._element = element\n    this._config  = this._getConfig(config)\n    this._timeout = null\n    this._setListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  show() {\n    const showEvent = $.Event(EVENT_SHOW)\n\n    $(this._element).trigger(showEvent)\n    if (showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (this._config.animation) {\n      this._element.classList.add(CLASS_NAME_FADE)\n    }\n\n    const complete = () => {\n      this._element.classList.remove(CLASS_NAME_SHOWING)\n      this._element.classList.add(CLASS_NAME_SHOW)\n\n      $(this._element).trigger(EVENT_SHOWN)\n\n      if (this._config.autohide) {\n        this._timeout = setTimeout(() => {\n          this.hide()\n        }, this._config.delay)\n      }\n    }\n\n    this._element.classList.remove(CLASS_NAME_HIDE)\n    Util.reflow(this._element)\n    this._element.classList.add(CLASS_NAME_SHOWING)\n    if (this._config.animation) {\n      const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  hide() {\n    if (!this._element.classList.contains(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE)\n\n    $(this._element).trigger(hideEvent)\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._close()\n  }\n\n  dispose() {\n    clearTimeout(this._timeout)\n    this._timeout = null\n\n    if (this._element.classList.contains(CLASS_NAME_SHOW)) {\n      this._element.classList.remove(CLASS_NAME_SHOW)\n    }\n\n    $(this._element).off(EVENT_CLICK_DISMISS)\n\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n    this._config  = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...$(this._element).data(),\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    return config\n  }\n\n  _setListeners() {\n    $(this._element).on(EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, () => this.hide())\n  }\n\n  _close() {\n    const complete = () => {\n      this._element.classList.add(CLASS_NAME_HIDE)\n      $(this._element).trigger(EVENT_HIDDEN)\n    }\n\n    this._element.classList.remove(CLASS_NAME_SHOW)\n    if (this._config.animation) {\n      const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $element = $(this)\n      let data       = $element.data(DATA_KEY)\n      const _config  = typeof config === 'object' && config\n\n      if (!data) {\n        data = new Toast(this, _config)\n        $element.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n\n        data[config](this)\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME]             = Toast._jQueryInterface\n$.fn[NAME].Constructor = Toast\n$.fn[NAME].noConflict  = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Toast._jQueryInterface\n}\n\nexport default Toast\n"],"file":"toast.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js b/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js
index d2c359d0d95..2be416e96fc 100644
--- a/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js
+++ b/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/tools/sanitizer",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.sanitizeHtml=function(a,c,d){if(0===a.length){return a}if(d&&"function"==typeof d){return d(a)}for(var e=new window.DOMParser,f=e.parseFromString(a,"text/html"),g=Object.keys(c),h=[].slice.call(f.body.querySelectorAll("*")),j=function(a){var d=h[a],e=d.nodeName.toLowerCase();if(-1===g.indexOf(d.nodeName.toLowerCase())){d.parentNode.removeChild(d);return"continue"}var f=[].slice.call(d.attributes),i=[].concat(c["*"]||[],c[e]||[]);f.forEach(function(a){if(!b(a,i)){d.removeAttribute(a.nodeName)}})},k=0,l=h.length,m;k<l;k++){m=j(k,l);if("continue"===m)continue}return f.body.innerHTML};a.DefaultWhitelist=void 0;var c=["background","cite","href","itemtype","longdesc","poster","src","xlink:href"];a.DefaultWhitelist={"*":["class","dir","id","lang","role",/^aria-[\w-]*$/i],a:["target","href","title","rel"],area:[],b:[],br:[],col:[],code:[],div:[],em:[],hr:[],h1:[],h2:[],h3:[],h4:[],h5:[],h6:[],i:[],img:["src","srcset","alt","title","width","height"],li:[],ol:[],p:[],pre:[],s:[],small:[],span:[],sub:[],sup:[],strong:[],u:[],ul:[]};function b(a,b){var d=a.nodeName.toLowerCase();if(-1!==b.indexOf(d)){if(-1!==c.indexOf(d)){return!!(a.nodeValue.match(/^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi)||a.nodeValue.match(/^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i))}return!0}for(var e=b.filter(function(a){return a instanceof RegExp}),f=0,g=e.length;f<g;f++){if(d.match(e[f])){return!0}}return!1}});
+define ("theme_boost/bootstrap/tools/sanitizer",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.DefaultWhitelist=void 0;a.sanitizeHtml=function(a,b,d){if(0===a.length){return a}if(d&&"function"==typeof d){return d(a)}for(var e=new window.DOMParser,f=e.parseFromString(a,"text/html"),g=Object.keys(b),h=[].slice.call(f.body.querySelectorAll("*")),j=function(a){var d=h[a],e=d.nodeName.toLowerCase();if(-1===g.indexOf(d.nodeName.toLowerCase())){d.parentNode.removeChild(d);return"continue"}var f=[].slice.call(d.attributes),i=[].concat(b["*"]||[],b[e]||[]);f.forEach(function(a){if(!c(a,i)){d.removeAttribute(a.nodeName)}})},k=0,l=h.length,m;k<l;k++){m=j(k,l);if("continue"===m)continue}return f.body.innerHTML};var b=["background","cite","href","itemtype","longdesc","poster","src","xlink:href"];a.DefaultWhitelist={"*":["class","dir","id","lang","role",/^aria-[\w-]*$/i],a:["target","href","title","rel"],area:[],b:[],br:[],col:[],code:[],div:[],em:[],hr:[],h1:[],h2:[],h3:[],h4:[],h5:[],h6:[],i:[],img:["src","srcset","alt","title","width","height"],li:[],ol:[],p:[],pre:[],s:[],small:[],span:[],sub:[],sup:[],strong:[],u:[],ul:[]};function c(a,c){var d=a.nodeName.toLowerCase();if(-1!==c.indexOf(d)){if(-1!==b.indexOf(d)){return!!(a.nodeValue.match(/^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi)||a.nodeValue.match(/^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i))}return!0}for(var e=c.filter(function(a){return a instanceof RegExp}),f=0,g=e.length;f<g;f++){if(d.match(e[f])){return!0}}return!1}});
 //# sourceMappingURL=sanitizer.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js.map b/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js.map
index 61311c0c1ed..37d0d5d1532 100644
--- a/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js.map
+++ b/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tools/sanitizer.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst uriAttrs = [\n  'background',\n  'cite',\n  'href',\n  'itemtype',\n  'longdesc',\n  'poster',\n  'src',\n  'xlink:href'\n]\n\nconst ARIA_ATTRIBUTE_PATTERN = /^aria-[\\w-]*$/i\n\nexport const DefaultWhitelist = {\n  // Global attributes allowed on any supplied element below.\n  '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],\n  a: ['target', 'href', 'title', 'rel'],\n  area: [],\n  b: [],\n  br: [],\n  col: [],\n  code: [],\n  div: [],\n  em: [],\n  hr: [],\n  h1: [],\n  h2: [],\n  h3: [],\n  h4: [],\n  h5: [],\n  h6: [],\n  i: [],\n  img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],\n  li: [],\n  ol: [],\n  p: [],\n  pre: [],\n  s: [],\n  small: [],\n  span: [],\n  sub: [],\n  sup: [],\n  strong: [],\n  u: [],\n  ul: []\n}\n\n/**\n * A pattern that recognizes a commonly useful subset of URLs that are safe.\n *\n * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts\n */\nconst SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi\n\n/**\n * A pattern that matches safe data URLs. Only matches image, video and audio types.\n *\n * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts\n */\nconst DATA_URL_PATTERN = /^data:(?:image\\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\\/(?:mpeg|mp4|ogg|webm)|audio\\/(?:mp3|oga|ogg|opus));base64,[\\d+/a-z]+=*$/i\n\nfunction allowedAttribute(attr, allowedAttributeList) {\n  const attrName = attr.nodeName.toLowerCase()\n\n  if (allowedAttributeList.indexOf(attrName) !== -1) {\n    if (uriAttrs.indexOf(attrName) !== -1) {\n      return Boolean(attr.nodeValue.match(SAFE_URL_PATTERN) || attr.nodeValue.match(DATA_URL_PATTERN))\n    }\n\n    return true\n  }\n\n  const regExp = allowedAttributeList.filter((attrRegex) => attrRegex instanceof RegExp)\n\n  // Check if a regular expression validates the attribute.\n  for (let i = 0, len = regExp.length; i < len; i++) {\n    if (attrName.match(regExp[i])) {\n      return true\n    }\n  }\n\n  return false\n}\n\nexport function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {\n  if (unsafeHtml.length === 0) {\n    return unsafeHtml\n  }\n\n  if (sanitizeFn && typeof sanitizeFn === 'function') {\n    return sanitizeFn(unsafeHtml)\n  }\n\n  const domParser = new window.DOMParser()\n  const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')\n  const whitelistKeys = Object.keys(whiteList)\n  const elements = [].slice.call(createdDocument.body.querySelectorAll('*'))\n\n  for (let i = 0, len = elements.length; i < len; i++) {\n    const el = elements[i]\n    const elName = el.nodeName.toLowerCase()\n\n    if (whitelistKeys.indexOf(el.nodeName.toLowerCase()) === -1) {\n      el.parentNode.removeChild(el)\n\n      continue\n    }\n\n    const attributeList = [].slice.call(el.attributes)\n    const whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || [])\n\n    attributeList.forEach((attr) => {\n      if (!allowedAttribute(attr, whitelistedAttributes)) {\n        el.removeAttribute(attr.nodeName)\n      }\n    })\n  }\n\n  return createdDocument.body.innerHTML\n}\n"],"file":"sanitizer.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/tooltip.min.js b/theme/boost/amd/build/bootstrap/tooltip.min.js
index 6991e78ed7b..48e96d9c15f 100644
--- a/theme/boost/amd/build/bootstrap/tooltip.min.js
+++ b/theme/boost/amd/build/bootstrap/tooltip.min.js
@@ -1,2 +1,2 @@
-define ("theme_boost/bootstrap/tooltip",["exports","./tools/sanitizer","jquery","core/popper","./util"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;c=f(c);d=f(d);e=f(e);function f(a){return a&&a.__esModule?a:{default:a}}function g(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);if(b)d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable});c.push.apply(c,d)}return c}function h(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};if(b%2){g(Object(c),!0).forEach(function(b){i(a,b,c[b])})}else if(Object.getOwnPropertyDescriptors){Object.defineProperties(a,Object.getOwnPropertyDescriptors(c))}else{g(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}}return a}function i(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function j(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){j=function(a){return typeof a}}else{j=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return j(a)}function k(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function l(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function m(a,b,c){if(b)l(a.prototype,b);if(c)l(a,c);return a}var n="bs.tooltip",o=".".concat(n),p=c.default.fn.tooltip,q="bs-tooltip",r=new RegExp("(^|\\s)".concat(q,"\\S+"),"g"),s=["sanitize","whiteList","sanitizeFn"],t={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"(number|string|function)",container:"(string|element|boolean)",fallbackPlacement:"(string|array)",boundary:"(string|element)",sanitize:"boolean",sanitizeFn:"(null|function)",whiteList:"object",popperConfig:"(null|object)"},u={AUTO:"auto",TOP:"top",RIGHT:"right",BOTTOM:"bottom",LEFT:"left"},v={animation:!0,template:"<div class=\"tooltip\" role=\"tooltip\"><div class=\"arrow\"></div><div class=\"tooltip-inner\"></div></div>",trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:0,container:!1,fallbackPlacement:"flip",boundary:"scrollParent",sanitize:!0,sanitizeFn:null,whiteList:b.DefaultWhitelist,popperConfig:null},w="show",x="out",y={HIDE:"hide".concat(o),HIDDEN:"hidden".concat(o),SHOW:"show".concat(o),SHOWN:"shown".concat(o),INSERTED:"inserted".concat(o),CLICK:"click".concat(o),FOCUSIN:"focusin".concat(o),FOCUSOUT:"focusout".concat(o),MOUSEENTER:"mouseenter".concat(o),MOUSELEAVE:"mouseleave".concat(o)},z="fade",A="show",B="hover",C="focus",D=function(){function a(b,c){k(this,a);if("undefined"==typeof d.default){throw new TypeError("Bootstrap's tooltips require Popper.js (https://popper.js.org/)")}this._isEnabled=!0;this._timeout=0;this._hoverState="";this._activeTrigger={};this._popper=null;this.element=b;this.config=this._getConfig(c);this.tip=null;this._setListeners()}m(a,[{key:"enable",value:function enable(){this._isEnabled=!0}},{key:"disable",value:function disable(){this._isEnabled=!1}},{key:"toggleEnabled",value:function toggleEnabled(){this._isEnabled=!this._isEnabled}},{key:"toggle",value:function toggle(a){if(!this._isEnabled){return}if(a){var b=this.constructor.DATA_KEY,d=(0,c.default)(a.currentTarget).data(b);if(!d){d=new this.constructor(a.currentTarget,this._getDelegateConfig());(0,c.default)(a.currentTarget).data(b,d)}d._activeTrigger.click=!d._activeTrigger.click;if(d._isWithActiveTrigger()){d._enter(null,d)}else{d._leave(null,d)}}else{if((0,c.default)(this.getTipElement()).hasClass(A)){this._leave(null,this);return}this._enter(null,this)}}},{key:"dispose",value:function dispose(){clearTimeout(this._timeout);c.default.removeData(this.element,this.constructor.DATA_KEY);(0,c.default)(this.element).off(this.constructor.EVENT_KEY);(0,c.default)(this.element).closest(".modal").off("hide.bs.modal",this._hideModalHandler);if(this.tip){(0,c.default)(this.tip).remove()}this._isEnabled=null;this._timeout=null;this._hoverState=null;this._activeTrigger=null;if(this._popper){this._popper.destroy()}this._popper=null;this.element=null;this.config=null;this.tip=null}},{key:"show",value:function show(){var a=this;if("none"===(0,c.default)(this.element).css("display")){throw new Error("Please use show on visible elements")}var b=c.default.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){(0,c.default)(this.element).trigger(b);var f=e.default.findShadowRoot(this.element),g=c.default.contains(null!==f?f:this.element.ownerDocument.documentElement,this.element);if(b.isDefaultPrevented()||!g){return}var h=this.getTipElement(),i=e.default.getUID(this.constructor.NAME);h.setAttribute("id",i);this.element.setAttribute("aria-describedby",i);this.setContent();if(this.config.animation){(0,c.default)(h).addClass(z)}var j="function"==typeof this.config.placement?this.config.placement.call(this,h,this.element):this.config.placement,k=this._getAttachment(j);this.addAttachmentClass(k);var l=this._getContainer();(0,c.default)(h).data(this.constructor.DATA_KEY,this);if(!c.default.contains(this.element.ownerDocument.documentElement,this.tip)){(0,c.default)(h).appendTo(l)}(0,c.default)(this.element).trigger(this.constructor.Event.INSERTED);this._popper=new d.default(this.element,h,this._getPopperConfig(k));(0,c.default)(h).addClass(A);if("ontouchstart"in document.documentElement){(0,c.default)(document.body).children().on("mouseover",null,c.default.noop)}var m=function(){if(a.config.animation){a._fixTransition()}var b=a._hoverState;a._hoverState=null;(0,c.default)(a.element).trigger(a.constructor.Event.SHOWN);if(b===x){a._leave(null,a)}};if((0,c.default)(this.tip).hasClass(z)){var n=e.default.getTransitionDurationFromElement(this.tip);(0,c.default)(this.tip).one(e.default.TRANSITION_END,m).emulateTransitionEnd(n)}else{m()}}}},{key:"hide",value:function hide(a){var b=this,d=this.getTipElement(),f=c.default.Event(this.constructor.Event.HIDE),g=function(){if(b._hoverState!==w&&d.parentNode){d.parentNode.removeChild(d)}b._cleanTipClass();b.element.removeAttribute("aria-describedby");(0,c.default)(b.element).trigger(b.constructor.Event.HIDDEN);if(null!==b._popper){b._popper.destroy()}if(a){a()}};(0,c.default)(this.element).trigger(f);if(f.isDefaultPrevented()){return}(0,c.default)(d).removeClass(A);if("ontouchstart"in document.documentElement){(0,c.default)(document.body).children().off("mouseover",null,c.default.noop)}this._activeTrigger["click"]=!1;this._activeTrigger[C]=!1;this._activeTrigger[B]=!1;if((0,c.default)(this.tip).hasClass(z)){var h=e.default.getTransitionDurationFromElement(d);(0,c.default)(d).one(e.default.TRANSITION_END,g).emulateTransitionEnd(h)}else{g()}this._hoverState=""}},{key:"update",value:function update(){if(null!==this._popper){this._popper.scheduleUpdate()}}},{key:"isWithContent",value:function isWithContent(){return!!this.getTitle()}},{key:"addAttachmentClass",value:function addAttachmentClass(a){(0,c.default)(this.getTipElement()).addClass("".concat(q,"-").concat(a))}},{key:"getTipElement",value:function getTipElement(){this.tip=this.tip||(0,c.default)(this.config.template)[0];return this.tip}},{key:"setContent",value:function setContent(){var a=this.getTipElement();this.setElementContent((0,c.default)(a.querySelectorAll(".tooltip-inner")),this.getTitle());(0,c.default)(a).removeClass("".concat(z," ").concat(A))}},{key:"setElementContent",value:function setElementContent(a,d){if("object"===j(d)&&(d.nodeType||d.jquery)){if(this.config.html){if(!(0,c.default)(d).parent().is(a)){a.empty().append(d)}}else{a.text((0,c.default)(d).text())}return}if(this.config.html){if(this.config.sanitize){d=(0,b.sanitizeHtml)(d,this.config.whiteList,this.config.sanitizeFn)}a.html(d)}else{a.text(d)}}},{key:"getTitle",value:function getTitle(){var a=this.element.getAttribute("data-original-title");if(!a){a="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title}return a}},{key:"_getPopperConfig",value:function _getPopperConfig(a){var b=this,c={placement:a,modifiers:{offset:this._getOffset(),flip:{behavior:this.config.fallbackPlacement},arrow:{element:".arrow"},preventOverflow:{boundariesElement:this.config.boundary}},onCreate:function onCreate(a){if(a.originalPlacement!==a.placement){b._handlePopperPlacementChange(a)}},onUpdate:function onUpdate(a){return b._handlePopperPlacementChange(a)}};return h({},c,{},this.config.popperConfig)}},{key:"_getOffset",value:function _getOffset(){var a=this,b={};if("function"==typeof this.config.offset){b.fn=function(b){b.offsets=h({},b.offsets,{},a.config.offset(b.offsets,a.element)||{});return b}}else{b.offset=this.config.offset}return b}},{key:"_getContainer",value:function _getContainer(){if(!1===this.config.container){return document.body}if(e.default.isElement(this.config.container)){return(0,c.default)(this.config.container)}return(0,c.default)(document).find(this.config.container)}},{key:"_getAttachment",value:function _getAttachment(a){return u[a.toUpperCase()]}},{key:"_setListeners",value:function _setListeners(){var a=this,b=this.config.trigger.split(" ");b.forEach(function(b){if("click"===b){(0,c.default)(a.element).on(a.constructor.Event.CLICK,a.config.selector,function(b){return a.toggle(b)})}else if(b!=="manual"){var d=b===B?a.constructor.Event.MOUSEENTER:a.constructor.Event.FOCUSIN,e=b===B?a.constructor.Event.MOUSELEAVE:a.constructor.Event.FOCUSOUT;(0,c.default)(a.element).on(d,a.config.selector,function(b){return a._enter(b)}).on(e,a.config.selector,function(b){return a._leave(b)})}});this._hideModalHandler=function(){if(a.element){a.hide()}};(0,c.default)(this.element).closest(".modal").on("hide.bs.modal",this._hideModalHandler);if(this.config.selector){this.config=h({},this.config,{trigger:"manual",selector:""})}else{this._fixTitle()}}},{key:"_fixTitle",value:function _fixTitle(){var a=j(this.element.getAttribute("data-original-title"));if(this.element.getAttribute("title")||"string"!==a){this.element.setAttribute("data-original-title",this.element.getAttribute("title")||"");this.element.setAttribute("title","")}}},{key:"_enter",value:function _enter(a,b){var d=this.constructor.DATA_KEY;b=b||(0,c.default)(a.currentTarget).data(d);if(!b){b=new this.constructor(a.currentTarget,this._getDelegateConfig());(0,c.default)(a.currentTarget).data(d,b)}if(a){b._activeTrigger["focusin"===a.type?C:B]=!0}if((0,c.default)(b.getTipElement()).hasClass(A)||b._hoverState===w){b._hoverState=w;return}clearTimeout(b._timeout);b._hoverState=w;if(!b.config.delay||!b.config.delay.show){b.show();return}b._timeout=setTimeout(function(){if(b._hoverState===w){b.show()}},b.config.delay.show)}},{key:"_leave",value:function _leave(a,b){var d=this.constructor.DATA_KEY;b=b||(0,c.default)(a.currentTarget).data(d);if(!b){b=new this.constructor(a.currentTarget,this._getDelegateConfig());(0,c.default)(a.currentTarget).data(d,b)}if(a){b._activeTrigger["focusout"===a.type?C:B]=!1}if(b._isWithActiveTrigger()){return}clearTimeout(b._timeout);b._hoverState=x;if(!b.config.delay||!b.config.delay.hide){b.hide();return}b._timeout=setTimeout(function(){if(b._hoverState===x){b.hide()}},b.config.delay.hide)}},{key:"_isWithActiveTrigger",value:function _isWithActiveTrigger(){for(var a in this._activeTrigger){if(this._activeTrigger[a]){return!0}}return!1}},{key:"_getConfig",value:function _getConfig(a){var d=(0,c.default)(this.element).data();Object.keys(d).forEach(function(a){if(-1!==s.indexOf(a)){delete d[a]}});a=h({},this.constructor.Default,{},d,{},"object"===j(a)&&a?a:{});if("number"==typeof a.delay){a.delay={show:a.delay,hide:a.delay}}if("number"==typeof a.title){a.title=a.title.toString()}if("number"==typeof a.content){a.content=a.content.toString()}e.default.typeCheckConfig("tooltip",a,this.constructor.DefaultType);if(a.sanitize){a.template=(0,b.sanitizeHtml)(a.template,a.whiteList,a.sanitizeFn)}return a}},{key:"_getDelegateConfig",value:function _getDelegateConfig(){var a={};if(this.config){for(var b in this.config){if(this.constructor.Default[b]!==this.config[b]){a[b]=this.config[b]}}}return a}},{key:"_cleanTipClass",value:function _cleanTipClass(){var a=(0,c.default)(this.getTipElement()),b=a.attr("class").match(r);if(null!==b&&b.length){a.removeClass(b.join(""))}}},{key:"_handlePopperPlacementChange",value:function _handlePopperPlacementChange(a){this.tip=a.instance.popper;this._cleanTipClass();this.addAttachmentClass(this._getAttachment(a.placement))}},{key:"_fixTransition",value:function _fixTransition(){var a=this.getTipElement(),b=this.config.animation;if(null!==a.getAttribute("x-placement")){return}(0,c.default)(a).removeClass(z);this.config.animation=!1;this.hide();this.show();this.config.animation=b}}],[{key:"_jQueryInterface",value:function _jQueryInterface(b){return this.each(function(){var d=(0,c.default)(this).data(n),e="object"===j(b)&&b;if(!d&&/dispose|hide/.test(b)){return}if(!d){d=new a(this,e);(0,c.default)(this).data(n,d)}if("string"==typeof b){if("undefined"==typeof d[b]){throw new TypeError("No method named \"".concat(b,"\""))}d[b]()}})}},{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return v}},{key:"NAME",get:function get(){return"tooltip"}},{key:"DATA_KEY",get:function get(){return n}},{key:"Event",get:function get(){return y}},{key:"EVENT_KEY",get:function get(){return o}},{key:"DefaultType",get:function get(){return t}}]);return a}();c.default.fn.tooltip=D._jQueryInterface;c.default.fn.tooltip.Constructor=D;c.default.fn.tooltip.noConflict=function(){c.default.fn.tooltip=p;return D._jQueryInterface};a.default=D;return a.default});
+define ("theme_boost/bootstrap/tooltip",["exports","./tools/sanitizer","jquery","core/popper","./util"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;c=f(c);d=f(d);e=f(e);function f(a){return a&&a.__esModule?a:{default:a}}function g(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function h(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?g(Object(c),!0).forEach(function(b){i(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):g(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function i(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function j(a){"@babel/helpers - typeof";return j="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},j(a)}function k(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function l(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function m(a,b,c){if(b)l(a.prototype,b);if(c)l(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var n="bs.tooltip",o=".".concat(n),p=c.default.fn.tooltip,q="bs-tooltip",r=new RegExp("(^|\\s)".concat(q,"\\S+"),"g"),s=["sanitize","whiteList","sanitizeFn"],t={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"(number|string|function)",container:"(string|element|boolean)",fallbackPlacement:"(string|array)",boundary:"(string|element)",sanitize:"boolean",sanitizeFn:"(null|function)",whiteList:"object",popperConfig:"(null|object)"},u={AUTO:"auto",TOP:"top",RIGHT:"right",BOTTOM:"bottom",LEFT:"left"},v={animation:!0,template:"<div class=\"tooltip\" role=\"tooltip\"><div class=\"arrow\"></div><div class=\"tooltip-inner\"></div></div>",trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:0,container:!1,fallbackPlacement:"flip",boundary:"scrollParent",sanitize:!0,sanitizeFn:null,whiteList:b.DefaultWhitelist,popperConfig:null},w="show",x="out",y={HIDE:"hide".concat(o),HIDDEN:"hidden".concat(o),SHOW:"show".concat(o),SHOWN:"shown".concat(o),INSERTED:"inserted".concat(o),CLICK:"click".concat(o),FOCUSIN:"focusin".concat(o),FOCUSOUT:"focusout".concat(o),MOUSEENTER:"mouseenter".concat(o),MOUSELEAVE:"mouseleave".concat(o)},z="fade",A="show",B="hover",C="focus",D=function(){function a(b,c){k(this,a);if("undefined"==typeof d.default){throw new TypeError("Bootstrap's tooltips require Popper.js (https://popper.js.org/)")}this._isEnabled=!0;this._timeout=0;this._hoverState="";this._activeTrigger={};this._popper=null;this.element=b;this.config=this._getConfig(c);this.tip=null;this._setListeners()}m(a,[{key:"enable",value:function enable(){this._isEnabled=!0}},{key:"disable",value:function disable(){this._isEnabled=!1}},{key:"toggleEnabled",value:function toggleEnabled(){this._isEnabled=!this._isEnabled}},{key:"toggle",value:function toggle(a){if(!this._isEnabled){return}if(a){var b=this.constructor.DATA_KEY,d=(0,c.default)(a.currentTarget).data(b);if(!d){d=new this.constructor(a.currentTarget,this._getDelegateConfig());(0,c.default)(a.currentTarget).data(b,d)}d._activeTrigger.click=!d._activeTrigger.click;if(d._isWithActiveTrigger()){d._enter(null,d)}else{d._leave(null,d)}}else{if((0,c.default)(this.getTipElement()).hasClass(A)){this._leave(null,this);return}this._enter(null,this)}}},{key:"dispose",value:function dispose(){clearTimeout(this._timeout);c.default.removeData(this.element,this.constructor.DATA_KEY);(0,c.default)(this.element).off(this.constructor.EVENT_KEY);(0,c.default)(this.element).closest(".modal").off("hide.bs.modal",this._hideModalHandler);if(this.tip){(0,c.default)(this.tip).remove()}this._isEnabled=null;this._timeout=null;this._hoverState=null;this._activeTrigger=null;if(this._popper){this._popper.destroy()}this._popper=null;this.element=null;this.config=null;this.tip=null}},{key:"show",value:function show(){var a=this;if("none"===(0,c.default)(this.element).css("display")){throw new Error("Please use show on visible elements")}var b=c.default.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){(0,c.default)(this.element).trigger(b);var f=e.default.findShadowRoot(this.element),g=c.default.contains(null!==f?f:this.element.ownerDocument.documentElement,this.element);if(b.isDefaultPrevented()||!g){return}var h=this.getTipElement(),i=e.default.getUID(this.constructor.NAME);h.setAttribute("id",i);this.element.setAttribute("aria-describedby",i);this.setContent();if(this.config.animation){(0,c.default)(h).addClass(z)}var j="function"==typeof this.config.placement?this.config.placement.call(this,h,this.element):this.config.placement,k=this._getAttachment(j);this.addAttachmentClass(k);var l=this._getContainer();(0,c.default)(h).data(this.constructor.DATA_KEY,this);if(!c.default.contains(this.element.ownerDocument.documentElement,this.tip)){(0,c.default)(h).appendTo(l)}(0,c.default)(this.element).trigger(this.constructor.Event.INSERTED);this._popper=new d.default(this.element,h,this._getPopperConfig(k));(0,c.default)(h).addClass(A);if("ontouchstart"in document.documentElement){(0,c.default)(document.body).children().on("mouseover",null,c.default.noop)}var m=function(){if(a.config.animation){a._fixTransition()}var b=a._hoverState;a._hoverState=null;(0,c.default)(a.element).trigger(a.constructor.Event.SHOWN);if(b===x){a._leave(null,a)}};if((0,c.default)(this.tip).hasClass(z)){var n=e.default.getTransitionDurationFromElement(this.tip);(0,c.default)(this.tip).one(e.default.TRANSITION_END,m).emulateTransitionEnd(n)}else{m()}}}},{key:"hide",value:function hide(a){var b=this,d=this.getTipElement(),f=c.default.Event(this.constructor.Event.HIDE),g=function(){if(b._hoverState!==w&&d.parentNode){d.parentNode.removeChild(d)}b._cleanTipClass();b.element.removeAttribute("aria-describedby");(0,c.default)(b.element).trigger(b.constructor.Event.HIDDEN);if(null!==b._popper){b._popper.destroy()}if(a){a()}};(0,c.default)(this.element).trigger(f);if(f.isDefaultPrevented()){return}(0,c.default)(d).removeClass(A);if("ontouchstart"in document.documentElement){(0,c.default)(document.body).children().off("mouseover",null,c.default.noop)}this._activeTrigger["click"]=!1;this._activeTrigger[C]=!1;this._activeTrigger[B]=!1;if((0,c.default)(this.tip).hasClass(z)){var h=e.default.getTransitionDurationFromElement(d);(0,c.default)(d).one(e.default.TRANSITION_END,g).emulateTransitionEnd(h)}else{g()}this._hoverState=""}},{key:"update",value:function update(){if(null!==this._popper){this._popper.scheduleUpdate()}}},{key:"isWithContent",value:function isWithContent(){return!!this.getTitle()}},{key:"addAttachmentClass",value:function addAttachmentClass(a){(0,c.default)(this.getTipElement()).addClass("".concat(q,"-").concat(a))}},{key:"getTipElement",value:function getTipElement(){this.tip=this.tip||(0,c.default)(this.config.template)[0];return this.tip}},{key:"setContent",value:function setContent(){var a=this.getTipElement();this.setElementContent((0,c.default)(a.querySelectorAll(".tooltip-inner")),this.getTitle());(0,c.default)(a).removeClass("".concat(z," ").concat(A))}},{key:"setElementContent",value:function setElementContent(a,d){if("object"===j(d)&&(d.nodeType||d.jquery)){if(this.config.html){if(!(0,c.default)(d).parent().is(a)){a.empty().append(d)}}else{a.text((0,c.default)(d).text())}return}if(this.config.html){if(this.config.sanitize){d=(0,b.sanitizeHtml)(d,this.config.whiteList,this.config.sanitizeFn)}a.html(d)}else{a.text(d)}}},{key:"getTitle",value:function getTitle(){var a=this.element.getAttribute("data-original-title");if(!a){a="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title}return a}},{key:"_getPopperConfig",value:function _getPopperConfig(a){var 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 //# sourceMappingURL=tooltip.min.js.map
diff --git a/theme/boost/amd/build/bootstrap/tooltip.min.js.map b/theme/boost/amd/build/bootstrap/tooltip.min.js.map
index 65f72550e1e..2d28b008a59 100644
--- a/theme/boost/amd/build/bootstrap/tooltip.min.js.map
+++ b/theme/boost/amd/build/bootstrap/tooltip.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tooltip.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport {\n  DefaultWhitelist,\n  sanitizeHtml\n} from './tools/sanitizer'\nimport $ from 'jquery'\nimport Popper from 'core/popper'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                  = 'tooltip'\nconst VERSION               = '4.5.0'\nconst DATA_KEY              = 'bs.tooltip'\nconst EVENT_KEY             = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT    = $.fn[NAME]\nconst CLASS_PREFIX          = 'bs-tooltip'\nconst BSCLS_PREFIX_REGEX    = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\nconst DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn']\n\nconst DefaultType = {\n  animation         : 'boolean',\n  template          : 'string',\n  title             : '(string|element|function)',\n  trigger           : 'string',\n  delay             : '(number|object)',\n  html              : 'boolean',\n  selector          : '(string|boolean)',\n  placement         : '(string|function)',\n  offset            : '(number|string|function)',\n  container         : '(string|element|boolean)',\n  fallbackPlacement : '(string|array)',\n  boundary          : '(string|element)',\n  sanitize          : 'boolean',\n  sanitizeFn        : '(null|function)',\n  whiteList         : 'object',\n  popperConfig      : '(null|object)'\n}\n\nconst AttachmentMap = {\n  AUTO   : 'auto',\n  TOP    : 'top',\n  RIGHT  : 'right',\n  BOTTOM : 'bottom',\n  LEFT   : 'left'\n}\n\nconst Default = {\n  animation         : true,\n  template          : '<div class=\"tooltip\" role=\"tooltip\">' +\n                    '<div class=\"arrow\"></div>' +\n                    '<div class=\"tooltip-inner\"></div></div>',\n  trigger           : 'hover focus',\n  title             : '',\n  delay             : 0,\n  html              : false,\n  selector          : false,\n  placement         : 'top',\n  offset            : 0,\n  container         : false,\n  fallbackPlacement : 'flip',\n  boundary          : 'scrollParent',\n  sanitize          : true,\n  sanitizeFn        : null,\n  whiteList         : DefaultWhitelist,\n  popperConfig      : null\n}\n\nconst HOVER_STATE_SHOW = 'show'\nconst HOVER_STATE_OUT  = 'out'\n\nconst Event = {\n  HIDE       : `hide${EVENT_KEY}`,\n  HIDDEN     : `hidden${EVENT_KEY}`,\n  SHOW       : `show${EVENT_KEY}`,\n  SHOWN      : `shown${EVENT_KEY}`,\n  INSERTED   : `inserted${EVENT_KEY}`,\n  CLICK      : `click${EVENT_KEY}`,\n  FOCUSIN    : `focusin${EVENT_KEY}`,\n  FOCUSOUT   : `focusout${EVENT_KEY}`,\n  MOUSEENTER : `mouseenter${EVENT_KEY}`,\n  MOUSELEAVE : `mouseleave${EVENT_KEY}`\n}\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TOOLTIP_INNER = '.tooltip-inner'\nconst SELECTOR_ARROW         = '.arrow'\n\nconst TRIGGER_HOVER  = 'hover'\nconst TRIGGER_FOCUS  = 'focus'\nconst TRIGGER_CLICK  = 'click'\nconst TRIGGER_MANUAL = 'manual'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Tooltip {\n  constructor(element, config) {\n    if (typeof Popper === 'undefined') {\n      throw new TypeError('Bootstrap\\'s tooltips require Popper.js (https://popper.js.org/)')\n    }\n\n    // private\n    this._isEnabled     = true\n    this._timeout       = 0\n    this._hoverState    = ''\n    this._activeTrigger = {}\n    this._popper        = null\n\n    // Protected\n    this.element = element\n    this.config  = this._getConfig(config)\n    this.tip     = null\n\n    this._setListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get NAME() {\n    return NAME\n  }\n\n  static get DATA_KEY() {\n    return DATA_KEY\n  }\n\n  static get Event() {\n    return Event\n  }\n\n  static get EVENT_KEY() {\n    return EVENT_KEY\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Public\n\n  enable() {\n    this._isEnabled = true\n  }\n\n  disable() {\n    this._isEnabled = false\n  }\n\n  toggleEnabled() {\n    this._isEnabled = !this._isEnabled\n  }\n\n  toggle(event) {\n    if (!this._isEnabled) {\n      return\n    }\n\n    if (event) {\n      const dataKey = this.constructor.DATA_KEY\n      let context = $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      context._activeTrigger.click = !context._activeTrigger.click\n\n      if (context._isWithActiveTrigger()) {\n        context._enter(null, context)\n      } else {\n        context._leave(null, context)\n      }\n    } else {\n      if ($(this.getTipElement()).hasClass(CLASS_NAME_SHOW)) {\n        this._leave(null, this)\n        return\n      }\n\n      this._enter(null, this)\n    }\n  }\n\n  dispose() {\n    clearTimeout(this._timeout)\n\n    $.removeData(this.element, this.constructor.DATA_KEY)\n\n    $(this.element).off(this.constructor.EVENT_KEY)\n    $(this.element).closest('.modal').off('hide.bs.modal', this._hideModalHandler)\n\n    if (this.tip) {\n      $(this.tip).remove()\n    }\n\n    this._isEnabled     = null\n    this._timeout       = null\n    this._hoverState    = null\n    this._activeTrigger = null\n    if (this._popper) {\n      this._popper.destroy()\n    }\n\n    this._popper = null\n    this.element = null\n    this.config  = null\n    this.tip     = null\n  }\n\n  show() {\n    if ($(this.element).css('display') === 'none') {\n      throw new Error('Please use show on visible elements')\n    }\n\n    const showEvent = $.Event(this.constructor.Event.SHOW)\n    if (this.isWithContent() && this._isEnabled) {\n      $(this.element).trigger(showEvent)\n\n      const shadowRoot = Util.findShadowRoot(this.element)\n      const isInTheDom = $.contains(\n        shadowRoot !== null ? shadowRoot : this.element.ownerDocument.documentElement,\n        this.element\n      )\n\n      if (showEvent.isDefaultPrevented() || !isInTheDom) {\n        return\n      }\n\n      const tip   = this.getTipElement()\n      const tipId = Util.getUID(this.constructor.NAME)\n\n      tip.setAttribute('id', tipId)\n      this.element.setAttribute('aria-describedby', tipId)\n\n      this.setContent()\n\n      if (this.config.animation) {\n        $(tip).addClass(CLASS_NAME_FADE)\n      }\n\n      const placement  = typeof this.config.placement === 'function'\n        ? this.config.placement.call(this, tip, this.element)\n        : this.config.placement\n\n      const attachment = this._getAttachment(placement)\n      this.addAttachmentClass(attachment)\n\n      const container = this._getContainer()\n      $(tip).data(this.constructor.DATA_KEY, this)\n\n      if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {\n        $(tip).appendTo(container)\n      }\n\n      $(this.element).trigger(this.constructor.Event.INSERTED)\n\n      this._popper = new Popper(this.element, tip, this._getPopperConfig(attachment))\n\n      $(tip).addClass(CLASS_NAME_SHOW)\n\n      // If this is a touch-enabled device we add extra\n      // empty mouseover listeners to the body's immediate children;\n      // only needed because of broken event delegation on iOS\n      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n      if ('ontouchstart' in document.documentElement) {\n        $(document.body).children().on('mouseover', null, $.noop)\n      }\n\n      const complete = () => {\n        if (this.config.animation) {\n          this._fixTransition()\n        }\n        const prevHoverState = this._hoverState\n        this._hoverState     = null\n\n        $(this.element).trigger(this.constructor.Event.SHOWN)\n\n        if (prevHoverState === HOVER_STATE_OUT) {\n          this._leave(null, this)\n        }\n      }\n\n      if ($(this.tip).hasClass(CLASS_NAME_FADE)) {\n        const transitionDuration = Util.getTransitionDurationFromElement(this.tip)\n\n        $(this.tip)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(transitionDuration)\n      } else {\n        complete()\n      }\n    }\n  }\n\n  hide(callback) {\n    const tip       = this.getTipElement()\n    const hideEvent = $.Event(this.constructor.Event.HIDE)\n    const complete = () => {\n      if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {\n        tip.parentNode.removeChild(tip)\n      }\n\n      this._cleanTipClass()\n      this.element.removeAttribute('aria-describedby')\n      $(this.element).trigger(this.constructor.Event.HIDDEN)\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n    $(this.element).trigger(hideEvent)\n\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    $(tip).removeClass(CLASS_NAME_SHOW)\n\n    // If this is a touch-enabled device we remove the extra\n    // empty mouseover listeners we added for iOS support\n    if ('ontouchstart' in document.documentElement) {\n      $(document.body).children().off('mouseover', null, $.noop)\n    }\n\n    this._activeTrigger[TRIGGER_CLICK] = false\n    this._activeTrigger[TRIGGER_FOCUS] = false\n    this._activeTrigger[TRIGGER_HOVER] = false\n\n    if ($(this.tip).hasClass(CLASS_NAME_FADE)) {\n      const transitionDuration = Util.getTransitionDurationFromElement(tip)\n\n      $(tip)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n\n    this._hoverState = ''\n  }\n\n  update() {\n    if (this._popper !== null) {\n      this._popper.scheduleUpdate()\n    }\n  }\n\n  // Protected\n\n  isWithContent() {\n    return Boolean(this.getTitle())\n  }\n\n  addAttachmentClass(attachment) {\n    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n  }\n\n  getTipElement() {\n    this.tip = this.tip || $(this.config.template)[0]\n    return this.tip\n  }\n\n  setContent() {\n    const tip = this.getTipElement()\n    this.setElementContent($(tip.querySelectorAll(SELECTOR_TOOLTIP_INNER)), this.getTitle())\n    $(tip).removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  setElementContent($element, content) {\n    if (typeof content === 'object' && (content.nodeType || content.jquery)) {\n      // Content is a DOM node or a jQuery\n      if (this.config.html) {\n        if (!$(content).parent().is($element)) {\n          $element.empty().append(content)\n        }\n      } else {\n        $element.text($(content).text())\n      }\n\n      return\n    }\n\n    if (this.config.html) {\n      if (this.config.sanitize) {\n        content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn)\n      }\n\n      $element.html(content)\n    } else {\n      $element.text(content)\n    }\n  }\n\n  getTitle() {\n    let title = this.element.getAttribute('data-original-title')\n\n    if (!title) {\n      title = typeof this.config.title === 'function'\n        ? this.config.title.call(this.element)\n        : this.config.title\n    }\n\n    return title\n  }\n\n  // Private\n\n  _getPopperConfig(attachment) {\n    const defaultBsConfig = {\n      placement: attachment,\n      modifiers: {\n        offset: this._getOffset(),\n        flip: {\n          behavior: this.config.fallbackPlacement\n        },\n        arrow: {\n          element: SELECTOR_ARROW\n        },\n        preventOverflow: {\n          boundariesElement: this.config.boundary\n        }\n      },\n      onCreate: (data) => {\n        if (data.originalPlacement !== data.placement) {\n          this._handlePopperPlacementChange(data)\n        }\n      },\n      onUpdate: (data) => this._handlePopperPlacementChange(data)\n    }\n\n    return {\n      ...defaultBsConfig,\n      ...this.config.popperConfig\n    }\n  }\n\n  _getOffset() {\n    const offset = {}\n\n    if (typeof this.config.offset === 'function') {\n      offset.fn = (data) => {\n        data.offsets = {\n          ...data.offsets,\n          ...this.config.offset(data.offsets, this.element) || {}\n        }\n\n        return data\n      }\n    } else {\n      offset.offset = this.config.offset\n    }\n\n    return offset\n  }\n\n  _getContainer() {\n    if (this.config.container === false) {\n      return document.body\n    }\n\n    if (Util.isElement(this.config.container)) {\n      return $(this.config.container)\n    }\n\n    return $(document).find(this.config.container)\n  }\n\n  _getAttachment(placement) {\n    return AttachmentMap[placement.toUpperCase()]\n  }\n\n  _setListeners() {\n    const triggers = this.config.trigger.split(' ')\n\n    triggers.forEach((trigger) => {\n      if (trigger === 'click') {\n        $(this.element).on(\n          this.constructor.Event.CLICK,\n          this.config.selector,\n          (event) => this.toggle(event)\n        )\n      } else if (trigger !== TRIGGER_MANUAL) {\n        const eventIn = trigger === TRIGGER_HOVER\n          ? this.constructor.Event.MOUSEENTER\n          : this.constructor.Event.FOCUSIN\n        const eventOut = trigger === TRIGGER_HOVER\n          ? this.constructor.Event.MOUSELEAVE\n          : this.constructor.Event.FOCUSOUT\n\n        $(this.element)\n          .on(eventIn, this.config.selector, (event) => this._enter(event))\n          .on(eventOut, this.config.selector, (event) => this._leave(event))\n      }\n    })\n\n    this._hideModalHandler = () => {\n      if (this.element) {\n        this.hide()\n      }\n    }\n\n    $(this.element).closest('.modal').on('hide.bs.modal', this._hideModalHandler)\n\n    if (this.config.selector) {\n      this.config = {\n        ...this.config,\n        trigger: 'manual',\n        selector: ''\n      }\n    } else {\n      this._fixTitle()\n    }\n  }\n\n  _fixTitle() {\n    const titleType = typeof this.element.getAttribute('data-original-title')\n\n    if (this.element.getAttribute('title') || titleType !== 'string') {\n      this.element.setAttribute(\n        'data-original-title',\n        this.element.getAttribute('title') || ''\n      )\n\n      this.element.setAttribute('title', '')\n    }\n  }\n\n  _enter(event, context) {\n    const dataKey = this.constructor.DATA_KEY\n    context = context || $(event.currentTarget).data(dataKey)\n\n    if (!context) {\n      context = new this.constructor(\n        event.currentTarget,\n        this._getDelegateConfig()\n      )\n      $(event.currentTarget).data(dataKey, context)\n    }\n\n    if (event) {\n      context._activeTrigger[\n        event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER\n      ] = true\n    }\n\n    if ($(context.getTipElement()).hasClass(CLASS_NAME_SHOW) || context._hoverState === HOVER_STATE_SHOW) {\n      context._hoverState = HOVER_STATE_SHOW\n      return\n    }\n\n    clearTimeout(context._timeout)\n\n    context._hoverState = HOVER_STATE_SHOW\n\n    if (!context.config.delay || !context.config.delay.show) {\n      context.show()\n      return\n    }\n\n    context._timeout = setTimeout(() => {\n      if (context._hoverState === HOVER_STATE_SHOW) {\n        context.show()\n      }\n    }, context.config.delay.show)\n  }\n\n  _leave(event, context) {\n    const dataKey = this.constructor.DATA_KEY\n    context = context || $(event.currentTarget).data(dataKey)\n\n    if (!context) {\n      context = new this.constructor(\n        event.currentTarget,\n        this._getDelegateConfig()\n      )\n      $(event.currentTarget).data(dataKey, context)\n    }\n\n    if (event) {\n      context._activeTrigger[\n        event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER\n      ] = false\n    }\n\n    if (context._isWithActiveTrigger()) {\n      return\n    }\n\n    clearTimeout(context._timeout)\n\n    context._hoverState = HOVER_STATE_OUT\n\n    if (!context.config.delay || !context.config.delay.hide) {\n      context.hide()\n      return\n    }\n\n    context._timeout = setTimeout(() => {\n      if (context._hoverState === HOVER_STATE_OUT) {\n        context.hide()\n      }\n    }, context.config.delay.hide)\n  }\n\n  _isWithActiveTrigger() {\n    for (const trigger in this._activeTrigger) {\n      if (this._activeTrigger[trigger]) {\n        return true\n      }\n    }\n\n    return false\n  }\n\n  _getConfig(config) {\n    const dataAttributes = $(this.element).data()\n\n    Object.keys(dataAttributes)\n      .forEach((dataAttr) => {\n        if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {\n          delete dataAttributes[dataAttr]\n        }\n      })\n\n    config = {\n      ...this.constructor.Default,\n      ...dataAttributes,\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    if (typeof config.delay === 'number') {\n      config.delay = {\n        show: config.delay,\n        hide: config.delay\n      }\n    }\n\n    if (typeof config.title === 'number') {\n      config.title = config.title.toString()\n    }\n\n    if (typeof config.content === 'number') {\n      config.content = config.content.toString()\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    if (config.sanitize) {\n      config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn)\n    }\n\n    return config\n  }\n\n  _getDelegateConfig() {\n    const config = {}\n\n    if (this.config) {\n      for (const key in this.config) {\n        if (this.constructor.Default[key] !== this.config[key]) {\n          config[key] = this.config[key]\n        }\n      }\n    }\n\n    return config\n  }\n\n  _cleanTipClass() {\n    const $tip = $(this.getTipElement())\n    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n    if (tabClass !== null && tabClass.length) {\n      $tip.removeClass(tabClass.join(''))\n    }\n  }\n\n  _handlePopperPlacementChange(popperData) {\n    this.tip = popperData.instance.popper\n    this._cleanTipClass()\n    this.addAttachmentClass(this._getAttachment(popperData.placement))\n  }\n\n  _fixTransition() {\n    const tip = this.getTipElement()\n    const initConfigAnimation = this.config.animation\n\n    if (tip.getAttribute('x-placement') !== null) {\n      return\n    }\n\n    $(tip).removeClass(CLASS_NAME_FADE)\n    this.config.animation = false\n    this.hide()\n    this.show()\n    this.config.animation = initConfigAnimation\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' && config\n\n      if (!data && /dispose|hide/.test(config)) {\n        return\n      }\n\n      if (!data) {\n        data = new Tooltip(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Tooltip._jQueryInterface\n$.fn[NAME].Constructor = Tooltip\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Tooltip._jQueryInterface\n}\n\nexport default Tooltip\n"],"file":"tooltip.min.js"}
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tooltip.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport {\n  DefaultWhitelist,\n  sanitizeHtml\n} from './tools/sanitizer'\nimport $ from 'jquery'\nimport Popper from 'core/popper'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                  = 'tooltip'\nconst VERSION               = '4.5.0'\nconst DATA_KEY              = 'bs.tooltip'\nconst EVENT_KEY             = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT    = $.fn[NAME]\nconst CLASS_PREFIX          = 'bs-tooltip'\nconst BSCLS_PREFIX_REGEX    = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\nconst DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn']\n\nconst DefaultType = {\n  animation         : 'boolean',\n  template          : 'string',\n  title             : '(string|element|function)',\n  trigger           : 'string',\n  delay             : '(number|object)',\n  html              : 'boolean',\n  selector          : '(string|boolean)',\n  placement         : '(string|function)',\n  offset            : '(number|string|function)',\n  container         : '(string|element|boolean)',\n  fallbackPlacement : '(string|array)',\n  boundary          : '(string|element)',\n  sanitize          : 'boolean',\n  sanitizeFn        : '(null|function)',\n  whiteList         : 'object',\n  popperConfig      : '(null|object)'\n}\n\nconst AttachmentMap = {\n  AUTO   : 'auto',\n  TOP    : 'top',\n  RIGHT  : 'right',\n  BOTTOM : 'bottom',\n  LEFT   : 'left'\n}\n\nconst Default = {\n  animation         : true,\n  template          : '<div class=\"tooltip\" role=\"tooltip\">' +\n                    '<div class=\"arrow\"></div>' +\n                    '<div class=\"tooltip-inner\"></div></div>',\n  trigger           : 'hover focus',\n  title             : '',\n  delay             : 0,\n  html              : false,\n  selector          : false,\n  placement         : 'top',\n  offset            : 0,\n  container         : false,\n  fallbackPlacement : 'flip',\n  boundary          : 'scrollParent',\n  sanitize          : true,\n  sanitizeFn        : null,\n  whiteList         : DefaultWhitelist,\n  popperConfig      : null\n}\n\nconst HOVER_STATE_SHOW = 'show'\nconst HOVER_STATE_OUT  = 'out'\n\nconst Event = {\n  HIDE       : `hide${EVENT_KEY}`,\n  HIDDEN     : `hidden${EVENT_KEY}`,\n  SHOW       : `show${EVENT_KEY}`,\n  SHOWN      : `shown${EVENT_KEY}`,\n  INSERTED   : `inserted${EVENT_KEY}`,\n  CLICK      : `click${EVENT_KEY}`,\n  FOCUSIN    : `focusin${EVENT_KEY}`,\n  FOCUSOUT   : `focusout${EVENT_KEY}`,\n  MOUSEENTER : `mouseenter${EVENT_KEY}`,\n  MOUSELEAVE : `mouseleave${EVENT_KEY}`\n}\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TOOLTIP_INNER = '.tooltip-inner'\nconst SELECTOR_ARROW         = '.arrow'\n\nconst TRIGGER_HOVER  = 'hover'\nconst TRIGGER_FOCUS  = 'focus'\nconst TRIGGER_CLICK  = 'click'\nconst TRIGGER_MANUAL = 'manual'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Tooltip {\n  constructor(element, config) {\n    if (typeof Popper === 'undefined') {\n      throw new TypeError('Bootstrap\\'s tooltips require Popper.js (https://popper.js.org/)')\n    }\n\n    // private\n    this._isEnabled     = true\n    this._timeout       = 0\n    this._hoverState    = ''\n    this._activeTrigger = {}\n    this._popper        = null\n\n    // Protected\n    this.element = element\n    this.config  = this._getConfig(config)\n    this.tip     = null\n\n    this._setListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get NAME() {\n    return NAME\n  }\n\n  static get DATA_KEY() {\n    return DATA_KEY\n  }\n\n  static get Event() {\n    return Event\n  }\n\n  static get EVENT_KEY() {\n    return EVENT_KEY\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Public\n\n  enable() {\n    this._isEnabled = true\n  }\n\n  disable() {\n    this._isEnabled = false\n  }\n\n  toggleEnabled() {\n    this._isEnabled = !this._isEnabled\n  }\n\n  toggle(event) {\n    if (!this._isEnabled) {\n      return\n    }\n\n    if (event) {\n      const dataKey = this.constructor.DATA_KEY\n      let context = $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      context._activeTrigger.click = !context._activeTrigger.click\n\n      if (context._isWithActiveTrigger()) {\n        context._enter(null, context)\n      } else {\n        context._leave(null, context)\n      }\n    } else {\n      if ($(this.getTipElement()).hasClass(CLASS_NAME_SHOW)) {\n        this._leave(null, this)\n        return\n      }\n\n      this._enter(null, this)\n    }\n  }\n\n  dispose() {\n    clearTimeout(this._timeout)\n\n    $.removeData(this.element, this.constructor.DATA_KEY)\n\n    $(this.element).off(this.constructor.EVENT_KEY)\n    $(this.element).closest('.modal').off('hide.bs.modal', this._hideModalHandler)\n\n    if (this.tip) {\n      $(this.tip).remove()\n    }\n\n    this._isEnabled     = null\n    this._timeout       = null\n    this._hoverState    = null\n    this._activeTrigger = null\n    if (this._popper) {\n      this._popper.destroy()\n    }\n\n    this._popper = null\n    this.element = null\n    this.config  = null\n    this.tip     = null\n  }\n\n  show() {\n    if ($(this.element).css('display') === 'none') {\n      throw new Error('Please use show on visible elements')\n    }\n\n    const showEvent = $.Event(this.constructor.Event.SHOW)\n    if (this.isWithContent() && this._isEnabled) {\n      $(this.element).trigger(showEvent)\n\n      const shadowRoot = Util.findShadowRoot(this.element)\n      const isInTheDom = $.contains(\n        shadowRoot !== null ? shadowRoot : this.element.ownerDocument.documentElement,\n        this.element\n      )\n\n      if (showEvent.isDefaultPrevented() || !isInTheDom) {\n        return\n      }\n\n      const tip   = this.getTipElement()\n      const tipId = Util.getUID(this.constructor.NAME)\n\n      tip.setAttribute('id', tipId)\n      this.element.setAttribute('aria-describedby', tipId)\n\n      this.setContent()\n\n      if (this.config.animation) {\n        $(tip).addClass(CLASS_NAME_FADE)\n      }\n\n      const placement  = typeof this.config.placement === 'function'\n        ? this.config.placement.call(this, tip, this.element)\n        : this.config.placement\n\n      const attachment = this._getAttachment(placement)\n      this.addAttachmentClass(attachment)\n\n      const container = this._getContainer()\n      $(tip).data(this.constructor.DATA_KEY, this)\n\n      if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {\n        $(tip).appendTo(container)\n      }\n\n      $(this.element).trigger(this.constructor.Event.INSERTED)\n\n      this._popper = new Popper(this.element, tip, this._getPopperConfig(attachment))\n\n      $(tip).addClass(CLASS_NAME_SHOW)\n\n      // If this is a touch-enabled device we add extra\n      // empty mouseover listeners to the body's immediate children;\n      // only needed because of broken event delegation on iOS\n      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n      if ('ontouchstart' in document.documentElement) {\n        $(document.body).children().on('mouseover', null, $.noop)\n      }\n\n      const complete = () => {\n        if (this.config.animation) {\n          this._fixTransition()\n        }\n        const prevHoverState = this._hoverState\n        this._hoverState     = null\n\n        $(this.element).trigger(this.constructor.Event.SHOWN)\n\n        if (prevHoverState === HOVER_STATE_OUT) {\n          this._leave(null, this)\n        }\n      }\n\n      if ($(this.tip).hasClass(CLASS_NAME_FADE)) {\n        const transitionDuration = Util.getTransitionDurationFromElement(this.tip)\n\n        $(this.tip)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(transitionDuration)\n      } else {\n        complete()\n      }\n    }\n  }\n\n  hide(callback) {\n    const tip       = this.getTipElement()\n    const hideEvent = $.Event(this.constructor.Event.HIDE)\n    const complete = () => {\n      if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {\n        tip.parentNode.removeChild(tip)\n      }\n\n      this._cleanTipClass()\n      this.element.removeAttribute('aria-describedby')\n      $(this.element).trigger(this.constructor.Event.HIDDEN)\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n    $(this.element).trigger(hideEvent)\n\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    $(tip).removeClass(CLASS_NAME_SHOW)\n\n    // If this is a touch-enabled device we remove the extra\n    // empty mouseover listeners we added for iOS support\n    if ('ontouchstart' in document.documentElement) {\n      $(document.body).children().off('mouseover', null, $.noop)\n    }\n\n    this._activeTrigger[TRIGGER_CLICK] = false\n    this._activeTrigger[TRIGGER_FOCUS] = false\n    this._activeTrigger[TRIGGER_HOVER] = false\n\n    if ($(this.tip).hasClass(CLASS_NAME_FADE)) {\n      const transitionDuration = Util.getTransitionDurationFromElement(tip)\n\n      $(tip)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n\n    this._hoverState = ''\n  }\n\n  update() {\n    if (this._popper !== null) {\n      this._popper.scheduleUpdate()\n    }\n  }\n\n  // Protected\n\n  isWithContent() {\n    return Boolean(this.getTitle())\n  }\n\n  addAttachmentClass(attachment) {\n    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n  }\n\n  getTipElement() {\n    this.tip = this.tip || $(this.config.template)[0]\n    return this.tip\n  }\n\n  setContent() {\n    const tip = this.getTipElement()\n    this.setElementContent($(tip.querySelectorAll(SELECTOR_TOOLTIP_INNER)), this.getTitle())\n    $(tip).removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  setElementContent($element, content) {\n    if (typeof content === 'object' && (content.nodeType || content.jquery)) {\n      // Content is a DOM node or a jQuery\n      if (this.config.html) {\n        if (!$(content).parent().is($element)) {\n          $element.empty().append(content)\n        }\n      } else {\n        $element.text($(content).text())\n      }\n\n      return\n    }\n\n    if (this.config.html) {\n      if (this.config.sanitize) {\n        content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn)\n      }\n\n      $element.html(content)\n    } else {\n      $element.text(content)\n    }\n  }\n\n  getTitle() {\n    let title = this.element.getAttribute('data-original-title')\n\n    if (!title) {\n      title = typeof this.config.title === 'function'\n        ? this.config.title.call(this.element)\n        : this.config.title\n    }\n\n    return title\n  }\n\n  // Private\n\n  _getPopperConfig(attachment) {\n    const defaultBsConfig = {\n      placement: attachment,\n      modifiers: {\n        offset: this._getOffset(),\n        flip: {\n          behavior: this.config.fallbackPlacement\n        },\n        arrow: {\n          element: SELECTOR_ARROW\n        },\n        preventOverflow: {\n          boundariesElement: this.config.boundary\n        }\n      },\n      onCreate: (data) => {\n        if (data.originalPlacement !== data.placement) {\n          this._handlePopperPlacementChange(data)\n        }\n      },\n      onUpdate: (data) => this._handlePopperPlacementChange(data)\n    }\n\n    return {\n      ...defaultBsConfig,\n      ...this.config.popperConfig\n    }\n  }\n\n  _getOffset() {\n    const offset = {}\n\n    if (typeof this.config.offset === 'function') {\n      offset.fn = (data) => {\n        data.offsets = {\n          ...data.offsets,\n          ...this.config.offset(data.offsets, this.element) || {}\n        }\n\n        return data\n      }\n    } else {\n      offset.offset = this.config.offset\n    }\n\n    return offset\n  }\n\n  _getContainer() {\n    if (this.config.container === false) {\n      return document.body\n    }\n\n    if (Util.isElement(this.config.container)) {\n      return $(this.config.container)\n    }\n\n    return $(document).find(this.config.container)\n  }\n\n  _getAttachment(placement) {\n    return AttachmentMap[placement.toUpperCase()]\n  }\n\n  _setListeners() {\n    const triggers = this.config.trigger.split(' ')\n\n    triggers.forEach((trigger) => {\n      if (trigger === 'click') {\n        $(this.element).on(\n          this.constructor.Event.CLICK,\n          this.config.selector,\n          (event) => this.toggle(event)\n        )\n      } else if (trigger !== TRIGGER_MANUAL) {\n        const eventIn = trigger === TRIGGER_HOVER\n          ? this.constructor.Event.MOUSEENTER\n          : this.constructor.Event.FOCUSIN\n        const eventOut = trigger === TRIGGER_HOVER\n          ? this.constructor.Event.MOUSELEAVE\n          : this.constructor.Event.FOCUSOUT\n\n        $(this.element)\n          .on(eventIn, this.config.selector, (event) => this._enter(event))\n          .on(eventOut, this.config.selector, (event) => this._leave(event))\n      }\n    })\n\n    this._hideModalHandler = () => {\n      if (this.element) {\n        this.hide()\n      }\n    }\n\n    $(this.element).closest('.modal').on('hide.bs.modal', this._hideModalHandler)\n\n    if (this.config.selector) {\n      this.config = {\n        ...this.config,\n        trigger: 'manual',\n        selector: ''\n      }\n    } else {\n      this._fixTitle()\n    }\n  }\n\n  _fixTitle() {\n    const titleType = typeof this.element.getAttribute('data-original-title')\n\n    if (this.element.getAttribute('title') || titleType !== 'string') {\n      this.element.setAttribute(\n        'data-original-title',\n        this.element.getAttribute('title') || ''\n      )\n\n      this.element.setAttribute('title', '')\n    }\n  }\n\n  _enter(event, context) {\n    const dataKey = this.constructor.DATA_KEY\n    context = context || $(event.currentTarget).data(dataKey)\n\n    if (!context) {\n      context = new this.constructor(\n        event.currentTarget,\n        this._getDelegateConfig()\n      )\n      $(event.currentTarget).data(dataKey, context)\n    }\n\n    if (event) {\n      context._activeTrigger[\n        event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER\n      ] = true\n    }\n\n    if ($(context.getTipElement()).hasClass(CLASS_NAME_SHOW) || context._hoverState === HOVER_STATE_SHOW) {\n      context._hoverState = HOVER_STATE_SHOW\n      return\n    }\n\n    clearTimeout(context._timeout)\n\n    context._hoverState = HOVER_STATE_SHOW\n\n    if (!context.config.delay || !context.config.delay.show) {\n      context.show()\n      return\n    }\n\n    context._timeout = setTimeout(() => {\n      if (context._hoverState === HOVER_STATE_SHOW) {\n        context.show()\n      }\n    }, context.config.delay.show)\n  }\n\n  _leave(event, context) {\n    const dataKey = this.constructor.DATA_KEY\n    context = context || $(event.currentTarget).data(dataKey)\n\n    if (!context) {\n      context = new this.constructor(\n        event.currentTarget,\n        this._getDelegateConfig()\n      )\n      $(event.currentTarget).data(dataKey, context)\n    }\n\n    if (event) {\n      context._activeTrigger[\n        event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER\n      ] = false\n    }\n\n    if (context._isWithActiveTrigger()) {\n      return\n    }\n\n    clearTimeout(context._timeout)\n\n    context._hoverState = HOVER_STATE_OUT\n\n    if (!context.config.delay || !context.config.delay.hide) {\n      context.hide()\n      return\n    }\n\n    context._timeout = setTimeout(() => {\n      if (context._hoverState === HOVER_STATE_OUT) {\n        context.hide()\n      }\n    }, context.config.delay.hide)\n  }\n\n  _isWithActiveTrigger() {\n    for (const trigger in this._activeTrigger) {\n      if (this._activeTrigger[trigger]) {\n        return true\n      }\n    }\n\n    return false\n  }\n\n  _getConfig(config) {\n    const dataAttributes = $(this.element).data()\n\n    Object.keys(dataAttributes)\n      .forEach((dataAttr) => {\n        if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {\n          delete dataAttributes[dataAttr]\n        }\n      })\n\n    config = {\n      ...this.constructor.Default,\n      ...dataAttributes,\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    if (typeof config.delay === 'number') {\n      config.delay = {\n        show: config.delay,\n        hide: config.delay\n      }\n    }\n\n    if (typeof config.title === 'number') {\n      config.title = config.title.toString()\n    }\n\n    if (typeof config.content === 'number') {\n      config.content = config.content.toString()\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    if (config.sanitize) {\n      config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn)\n    }\n\n    return config\n  }\n\n  _getDelegateConfig() {\n    const config = {}\n\n    if (this.config) {\n      for (const key in this.config) {\n        if (this.constructor.Default[key] !== this.config[key]) {\n          config[key] = this.config[key]\n        }\n      }\n    }\n\n    return config\n  }\n\n  _cleanTipClass() {\n    const $tip = $(this.getTipElement())\n    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n    if (tabClass !== null && tabClass.length) {\n      $tip.removeClass(tabClass.join(''))\n    }\n  }\n\n  _handlePopperPlacementChange(popperData) {\n    this.tip = popperData.instance.popper\n    this._cleanTipClass()\n    this.addAttachmentClass(this._getAttachment(popperData.placement))\n  }\n\n  _fixTransition() {\n    const tip = this.getTipElement()\n    const initConfigAnimation = this.config.animation\n\n    if (tip.getAttribute('x-placement') !== null) {\n      return\n    }\n\n    $(tip).removeClass(CLASS_NAME_FADE)\n    this.config.animation = false\n    this.hide()\n    this.show()\n    this.config.animation = initConfigAnimation\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' && config\n\n      if (!data && /dispose|hide/.test(config)) {\n        return\n      }\n\n      if (!data) {\n        data = new Tooltip(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Tooltip._jQueryInterface\n$.fn[NAME].Constructor = Tooltip\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Tooltip._jQueryInterface\n}\n\nexport default Tooltip\n"],"file":"tooltip.min.js"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/loader.min.js b/theme/boost/amd/build/loader.min.js
index 4f9b80475c2..5c1d49a7a9b 100644
--- a/theme/boost/amd/build/loader.min.js
+++ b/theme/boost/amd/build/loader.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("theme_boost/loader",["exports","jquery","./aria","./bootstrap/index","core/pending","./scroll","./pending"],function(a,b,c,d,e,f,g){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"Bootstrap",{enumerable:!0,get:function get(){return d.default}});b=j(b);c=i(c);d=j(d);e=j(e);f=j(f);g=j(g);function h(){if("function"!=typeof WeakMap)return null;var a=new WeakMap;h=function(){return a};return a}function i(a){if(a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var b=h();if(b&&b.has(a)){return b.get(a)}var c={},d=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var e in a){if(Object.prototype.hasOwnProperty.call(a,e)){var f=d?Object.getOwnPropertyDescriptor(a,e):null;if(f&&(f.get||f.set)){Object.defineProperty(c,e,f)}else{c[e]=a[e]}}}c.default=a;if(b){b.set(a,c)}return c}function j(a){return a&&a.__esModule?a:{default:a}}var k=function(){(0,b.default)("a[data-toggle=\"tab\"]").on("shown.bs.tab",function(a){var c=(0,b.default)(a.target).attr("href");if(history.replaceState){history.replaceState(null,null,c)}else{location.hash=c}});var a=window.location.hash;if(a){var c=document.querySelector(".nav-link[href=\""+a+"\"]");if(c){c.click()}}},l=function(){(0,b.default)("body").popover({container:"body",selector:"[data-toggle=\"popover\"]",trigger:"focus"});document.addEventListener("keydown",function(a){if("Escape"===a.key&&a.target.closest("[data-toggle=\"popover\"]")){(0,b.default)(a.target).popover("hide")}})},m=function(){(0,b.default)("body").tooltip({container:"body",selector:"[data-toggle=\"tooltip\"]"})},n=new e.default("theme_boost/loader:init");(0,g.default)();c.init();k();l();m();new f.default().init();b.default.fn.dropdown.Constructor.Default.flip=!1;n.resolve()});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("theme_boost/loader",["exports","jquery","./aria","./bootstrap/index","core/pending","./scroll","./pending"],function(a,b,c,d,e,f,g){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"Bootstrap",{enumerable:!0,get:function get(){return d.default}});b=j(b);c=i(c);d=j(d);e=j(e);f=j(f);g=j(g);function h(a){if("function"!=typeof WeakMap)return null;var b=new WeakMap,c=new WeakMap;return(h=function(a){return a?c:b})(a)}function i(a,b){if(!b&&a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var c=h(b);if(c&&c.has(a)){return c.get(a)}var d={},e=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var f in a){if("default"!=f&&Object.prototype.hasOwnProperty.call(a,f)){var g=e?Object.getOwnPropertyDescriptor(a,f):null;if(g&&(g.get||g.set)){Object.defineProperty(d,f,g)}else{d[f]=a[f]}}}d.default=a;if(c){c.set(a,d)}return d}function j(a){return a&&a.__esModule?a:{default:a}}var k=function(){(0,b.default)("a[data-toggle=\"tab\"]").on("shown.bs.tab",function(a){var c=(0,b.default)(a.target).attr("href");if(history.replaceState){history.replaceState(null,null,c)}else{location.hash=c}});var a=window.location.hash;if(a){var c=document.querySelector(".nav-link[href=\""+a+"\"]");if(c){c.click()}}},l=function(){(0,b.default)("body").popover({container:"body",selector:"[data-toggle=\"popover\"]",trigger:"focus"});document.addEventListener("keydown",function(a){if("Escape"===a.key&&a.target.closest("[data-toggle=\"popover\"]")){(0,b.default)(a.target).popover("hide")}})},m=function(){(0,b.default)("body").tooltip({container:"body",selector:"[data-toggle=\"tooltip\"]"})},n=new e.default("theme_boost/loader:init");(0,g.default)();c.init();k();l();m();new f.default().init();b.default.fn.dropdown.Constructor.Default.flip=!1;n.resolve()});
 //# sourceMappingURL=loader.min.js.map
diff --git a/theme/boost/amd/build/loader.min.js.map b/theme/boost/amd/build/loader.min.js.map
index f9e4a1b19d0..ca9cb4f1909 100644
--- a/theme/boost/amd/build/loader.min.js.map
+++ b/theme/boost/amd/build/loader.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/theme/boost/amd/build/pending.min.js b/theme/boost/amd/build/pending.min.js
index 8aff8447a50..8fac6c7864b 100644
--- a/theme/boost/amd/build/pending.min.js
+++ b/theme/boost/amd/build/pending.min.js
@@ -1,2 +1,2 @@
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diff --git a/theme/boost/amd/build/pending.min.js.map b/theme/boost/amd/build/pending.min.js.map
index 1d1b9b99f52..76779340613 100644
--- a/theme/boost/amd/build/pending.min.js.map
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\ No newline at end of file
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\ No newline at end of file
diff --git a/theme/boost/amd/build/scroll.min.js b/theme/boost/amd/build/scroll.min.js
index 807807d9c46..d101ffe54cf 100644
--- a/theme/boost/amd/build/scroll.min.js
+++ b/theme/boost/amd/build/scroll.min.js
@@ -1,2 +1,2 @@
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+define ("theme_boost/scroll",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;function b(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function c(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function d(a,b,d){if(b)c(a.prototype,b);if(d)c(a,d);Object.defineProperty(a,"prototype",{writable:!1});return a}var e=function(){function a(){b(this,a)}d(a,[{key:"init",value:function init(){this.scrollY=0;window.addEventListener("scroll",this.scrollHandler.bind(this));return this}},{key:"getScrollPosition",value:function getScrollPosition(){return window.pageYOffset||document.documentElement.scrollTop}},{key:"scrollHandler",value:function scrollHandler(){var a=document.querySelector("body"),b=this.getScrollPosition();if(b>=window.innerHeight){a.classList.add("scrolled")}else{a.classList.remove("scrolled")}}}]);return a}();a.default=e;return a.default});
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diff --git a/theme/boost/amd/build/scroll.min.js.map b/theme/boost/amd/build/scroll.min.js.map
index 5bafaafd940..7dc3cc34857 100644
--- a/theme/boost/amd/build/scroll.min.js.map
+++ b/theme/boost/amd/build/scroll.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"sources":["../src/scroll.js"],"names":["MoodleScroll","scrollY","window","addEventListener","scrollHandler","bind","pageYOffset","document","documentElement","scrollTop","body","querySelector","getScrollPosition","innerHeight","classList","add","remove"],"mappings":"2fA6BqBA,CAAAA,C,0DASjB,eAAO,CACH,KAAKC,OAAL,CAAe,CAAf,CACAC,MAAM,CAACC,gBAAP,CAAwB,QAAxB,CAAkC,KAAKC,aAAL,CAAmBC,IAAnB,CAAwB,IAAxB,CAAlC,EACA,MAAO,KACV,C,iCASD,4BAAoB,CAChB,MAAOH,CAAAA,MAAM,CAACI,WAAP,EAAsBC,QAAQ,CAACC,eAAT,CAAyBC,SACzD,C,6BAQD,wBAAgB,IACNC,CAAAA,CAAI,CAAGH,QAAQ,CAACI,aAAT,CAAuB,MAAvB,CADD,CAENV,CAAO,CAAG,KAAKW,iBAAL,EAFJ,CAGZ,GAAIX,CAAO,EAAIC,MAAM,CAACW,WAAtB,CAAmC,CAC/BH,CAAI,CAACI,SAAL,CAAeC,GAAf,CAAmB,UAAnB,CACH,CAFD,IAEO,CACHL,CAAI,CAACI,SAAL,CAAeE,MAAf,CAAsB,UAAtB,CACH,CACJ,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage user scroll in Moodle for future floating elements.\n *\n * @copyright  2020 Ferran Recio <ferran@moodle.org>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Moodle scroll handling. For now it just handle a \"scrolled\" class\n * on the body tag but in the near future could handle more floating\n * elements like option bars, docked elements or other active elements.\n *\n * @class MoodleScroll\n */\nexport default class MoodleScroll {\n\n    /**\n     * Initialise the scroll monitoring.\n     *\n     * @method  init\n     * @chainable\n     * @return {Object} this.\n     */\n    init() {\n        this.scrollY = 0;\n        window.addEventListener(\"scroll\", this.scrollHandler.bind(this));\n        return this;\n    }\n\n    /**\n     * Add special classes to body depending on scroll position.\n     *\n     * @method  update\n     * @chainable\n     * @return {Integer} current scroll position.\n     */\n    getScrollPosition() {\n        return window.pageYOffset || document.documentElement.scrollTop;\n    }\n\n    /**\n     * Add special classes to body depending on scroll position.\n     *\n     * @method  update\n     * @chainable\n     */\n    scrollHandler() {\n        const body = document.querySelector('body');\n        const scrollY = this.getScrollPosition();\n        if (scrollY >= window.innerHeight) {\n            body.classList.add('scrolled');\n        } else {\n            body.classList.remove('scrolled');\n        }\n    }\n}\n"],"file":"scroll.min.js"}
\ No newline at end of file
diff --git a/user/amd/build/local/participants/bulkactions.min.js b/user/amd/build/local/participants/bulkactions.min.js
index f46ac9855ac..6e94cb75a3e 100644
--- a/user/amd/build/local/participants/bulkactions.min.js
+++ b/user/amd/build/local/participants/bulkactions.min.js
@@ -1,2 +1,2 @@
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diff --git a/user/amd/build/local/participants/bulkactions.min.js.map b/user/amd/build/local/participants/bulkactions.min.js.map
index 72bebf55dcc..a8200902fec 100644
--- a/user/amd/build/local/participants/bulkactions.min.js.map
+++ b/user/amd/build/local/participants/bulkactions.min.js.map
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Bulk actions for lists of participants.\n *\n * @module     core_user/local/participants/bulkactions\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as Repository from 'core_user/repository';\nimport * as Str from 'core/str';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport {add as notifyUser} from 'core/toast';\n\n/**\n * Show the add note popup\n *\n * @param {Number} courseid\n * @param {Number[]} users\n * @param {String[]} noteStateNames\n * @param {HTMLElement} stateHelpIcon\n * @return {Promise}\n */\nexport const showAddNote = (courseid, users, noteStateNames, stateHelpIcon) => {\n    if (!users.length) {\n        // No users were selected.\n        return 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Str.get_string('sendbulkmessagesentsingle', 'core_message');\n        } else {\n            return Str.get_string('sendbulkmessagesent', 'core_message', messageIds.length);\n        }\n    })\n    .then(msg => notifyUser(msg))\n    .catch(Notification.exception);\n};\n"],"file":"bulkactions.min.js"}
\ No newline at end of file
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Bulk actions for lists of participants.\n *\n * @module     core_user/local/participants/bulkactions\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as Repository from 'core_user/repository';\nimport * as Str from 'core/str';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport {add as notifyUser} from 'core/toast';\n\n/**\n * Show the add note popup\n *\n * @param {Number} courseid\n * @param {Number[]} users\n * @param {String[]} noteStateNames\n * @param {HTMLElement} stateHelpIcon\n * @return {Promise}\n */\nexport const showAddNote = (courseid, users, noteStateNames, stateHelpIcon) => {\n    if (!users.length) {\n        // No users were selected.\n        return Promise.resolve();\n    }\n\n    const states = [];\n    for (let key in noteStateNames) {\n        switch (key) {\n            case 'draft':\n                states.push({value: 'personal', label: noteStateNames[key]});\n                break;\n            case 'public':\n                states.push({value: 'course', label: noteStateNames[key], selected: 1});\n                break;\n            case 'site':\n                states.push({value: key, label: noteStateNames[key]});\n                break;\n        }\n    }\n\n    const context = {\n        stateNames: states,\n        stateHelpIcon: stateHelpIcon.innerHTML,\n    };\n\n    let titlePromise = null;\n    if (users.length === 1) {\n        titlePromise = Str.get_string('addbulknotesingle', 'core_notes');\n    } else {\n        titlePromise = Str.get_string('addbulknote', 'core_notes', users.length);\n    }\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: Templates.render('core_user/add_bulk_note', context),\n        title: titlePromise,\n        buttons: {\n            save: titlePromise,\n        },\n        removeOnClose: true,\n    })\n    .then(modal => {\n        modal.getRoot().on(ModalEvents.save, () => submitAddNote(courseid, users, modal));\n\n        modal.show();\n\n        return modal;\n    });\n};\n\n/**\n * Add a note to this list of users.\n *\n * @param {Number} courseid\n * @param {Number[]} users\n * @param {Modal} modal\n * @return {Promise}\n */\nconst submitAddNote = (courseid, users, modal) => {\n    const text = modal.getRoot().find('form textarea').val();\n    const publishstate = modal.getRoot().find('form select').val();\n\n    const notes = users.map(userid => {\n        return {\n            userid,\n            text,\n            courseid,\n            publishstate,\n        };\n    });\n\n    return Repository.createNotesForUsers(notes)\n    .then(noteIds => {\n        if (noteIds.length === 1) {\n            return Str.get_string('addbulknotedonesingle', 'core_notes');\n        } else {\n            return Str.get_string('addbulknotedone', 'core_notes', noteIds.length);\n        }\n    })\n    .then(msg => notifyUser(msg))\n    .catch(Notification.exception);\n};\n\n/**\n * Show the send message popup.\n *\n * @param {Number[]} users\n * @return {Promise}\n */\nexport const showSendMessage = users => {\n    if (!users.length) {\n        // Nothing to do.\n        return Promise.resolve();\n    }\n\n    let titlePromise;\n    if (users.length === 1) {\n        titlePromise = Str.get_string('sendbulkmessagesingle', 'core_message');\n    } else {\n        titlePromise = Str.get_string('sendbulkmessage', 'core_message', users.length);\n    }\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: Templates.render('core_user/send_bulk_message', {}),\n        title: titlePromise,\n        buttons: {\n            save: titlePromise,\n        },\n        removeOnClose: true,\n    })\n    .then(modal => {\n        modal.getRoot().on(ModalEvents.save, (e) => {\n            const text = modal.getRoot().find('form textarea').val();\n            if (text.trim() === '') {\n                modal.getRoot().find('[data-role=\"messagetextrequired\"]').removeAttr('hidden');\n                e.preventDefault();\n                return;\n            }\n\n            submitSendMessage(modal, users, text);\n        });\n\n        modal.show();\n\n        return modal;\n    });\n};\n\n/**\n * Send a message to these users.\n *\n * @param {Modal} modal\n * @param {Number[]} users\n * @param {String} text\n * @return {Promise}\n */\nconst submitSendMessage = (modal, users, text) => {\n    const messages = users.map(touserid => {\n        return {\n            touserid,\n            text,\n        };\n    });\n\n    return Repository.sendMessagesToUsers(messages)\n    .then(messageIds => {\n        if (messageIds.length == 1) {\n            return Str.get_string('sendbulkmessagesentsingle', 'core_message');\n        } else {\n            return Str.get_string('sendbulkmessagesent', 'core_message', messageIds.length);\n        }\n    })\n    .then(msg => notifyUser(msg))\n    .catch(Notification.exception);\n};\n"],"file":"bulkactions.min.js"}
\ No newline at end of file
diff --git a/user/amd/build/local/participantsfilter/filter.min.js b/user/amd/build/local/participantsfilter/filter.min.js
index 039e3385404..8b16957bbbe 100644
--- a/user/amd/build/local/participantsfilter/filter.min.js
+++ b/user/amd/build/local/participantsfilter/filter.min.js
@@ -1,2 +1,2 @@
-define ("core_user/local/participantsfilter/filter",["exports","core/form-autocomplete","./selectors","core/str"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=e(b);c=e(c);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var i=a.apply(b,c);function g(a){f(i,d,e,g,h,"next",a)}function h(a){f(i,d,e,g,h,"throw",a)}g(void 0)})}}function h(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function i(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function j(a,b,c){if(b)i(a.prototype,b);if(c)i(a,c);return a}var k=function(a){return a.querySelectorAll(":checked")},l=function(){function a(b,c,d){h(this,a);this.filterType=b;this.rootNode=c;this.addValueSelector(d)}j(a,[{key:"tearDown",value:function tearDown(){}},{key:"addValueSelector",value:function(){var a=g(regeneratorRuntime.mark(function a(){var c=this,d,e,f,g,h=arguments;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:d=0<h.length&&h[0]!==void 0?h[0]:[];e=this.getFilterValueNode();e.innerHTML=this.getSourceDataForFilter().outerHTML;f=e.querySelector("select");f.id="filter-value-"+f.getAttribute("data-field-name");g=document.createElement("label");g.setAttribute("for",f.id);g.classList.add("sr-only");g.innerText=f.getAttribute("data-field-title");e.appendChild(g);d.forEach(function(a){var b=f.querySelector("option[value=\"".concat(a,"\"]"));if(b){b.selected=!0}else if(!c.showSuggestions){b=document.createElement("option");b.value=a;b.innerHTML=a;b.selected=!0;f.append(b)}});a.t0=b.default;a.t1=f;a.t2="1"==f.dataset.allowCustom;a.next=16;return this.placeholder;case 16:a.t3=a.sent;a.t4=this.showSuggestions;a.t5=!f.multiple;a.t6={items:"core_user/local/participantsfilter/autocomplete_selection_items",layout:"core_user/local/participantsfilter/autocomplete_layout",selection:"core_user/local/participantsfilter/autocomplete_selection"};a.t0.enhance.call(a.t0,a.t1,a.t2,null,a.t3,!1,a.t4,null,a.t5,a.t6);case 21:case"end":return a.stop();}}},a,this)}));return function addValueSelector(){return a.apply(this,arguments)}}()},{key:"getSourceDataForFilter",value:function getSourceDataForFilter(){var a=this.rootNode.querySelector(c.default.filterset.regions.datasource);return a.querySelector(c.default.data.fields.byName(this.filterType))}},{key:"getFilterValueNode",value:function getFilterValueNode(){return this.filterRoot.querySelector(c.default.filter.regions.values)}},{key:"placeholder",get:function get(){return(0,d.get_string)("placeholdertypeorselect","core_user")}},{key:"showSuggestions",get:function get(){return!0}},{key:"filterRoot",get:function get(){return this.rootNode.querySelector(c.default.filter.byName(this.filterType))}},{key:"name",get:function get(){return this.filterType}},{key:"jointype",get:function get(){return parseInt(this.filterRoot.querySelector(c.default.filter.fields.join).value,10)}},{key:"rawValues",get:function get(){var a=this.getFilterValueNode(),b=a.querySelector("select");return Object.values(k(b)).map(function(a){return a.value})}},{key:"values",get:function get(){return this.rawValues.map(function(a){return parseInt(a,10)})}},{key:"filterValue",get:function get(){return{name:this.name,jointype:this.jointype,values:this.values}}}]);return a}();a.default=l;return a.default});
+define ("core_user/local/participantsfilter/filter",["exports","core/form-autocomplete","./selectors","core/str"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=e(b);c=e(c);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var g=a.apply(b,c);function h(a){f(g,d,e,h,i,"next",a)}function i(a){f(g,d,e,h,i,"throw",a)}h(void 0)})}}function h(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function i(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function j(a,b,c){if(b)i(a.prototype,b);if(c)i(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var k=function(a){return a.querySelectorAll(":checked")},l=function(){function a(b,c,d){h(this,a);this.filterType=b;this.rootNode=c;this.addValueSelector(d)}j(a,[{key:"tearDown",value:function tearDown(){}},{key:"placeholder",get:function get(){return(0,d.get_string)("placeholdertypeorselect","core_user")}},{key:"showSuggestions",get:function get(){return!0}},{key:"addValueSelector",value:function(){var a=g(regeneratorRuntime.mark(function a(){var c=this,d,e,f,g,h=arguments;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:d=0<h.length&&h[0]!==void 0?h[0]:[];e=this.getFilterValueNode();e.innerHTML=this.getSourceDataForFilter().outerHTML;f=e.querySelector("select");f.id="filter-value-"+f.getAttribute("data-field-name");g=document.createElement("label");g.setAttribute("for",f.id);g.classList.add("sr-only");g.innerText=f.getAttribute("data-field-title");e.appendChild(g);d.forEach(function(a){var b=f.querySelector("option[value=\"".concat(a,"\"]"));if(b){b.selected=!0}else if(!c.showSuggestions){b=document.createElement("option");b.value=a;b.innerHTML=a;b.selected=!0;f.append(b)}});a.t0=b.default;a.t1=f;a.t2="1"==f.dataset.allowCustom;a.next=16;return this.placeholder;case 16:a.t3=a.sent;a.t4=this.showSuggestions;a.t5=!f.multiple;a.t6={items:"core_user/local/participantsfilter/autocomplete_selection_items",layout:"core_user/local/participantsfilter/autocomplete_layout",selection:"core_user/local/participantsfilter/autocomplete_selection"};a.t0.enhance.call(a.t0,a.t1,a.t2,null,a.t3,!1,a.t4,null,a.t5,a.t6);case 21:case"end":return a.stop();}}},a,this)}));return function addValueSelector(){return a.apply(this,arguments)}}()},{key:"filterRoot",get:function get(){return this.rootNode.querySelector(c.default.filter.byName(this.filterType))}},{key:"getSourceDataForFilter",value:function getSourceDataForFilter(){var a=this.rootNode.querySelector(c.default.filterset.regions.datasource);return a.querySelector(c.default.data.fields.byName(this.filterType))}},{key:"getFilterValueNode",value:function getFilterValueNode(){return this.filterRoot.querySelector(c.default.filter.regions.values)}},{key:"name",get:function get(){return this.filterType}},{key:"jointype",get:function get(){return parseInt(this.filterRoot.querySelector(c.default.filter.fields.join).value,10)}},{key:"rawValues",get:function get(){var a=this.getFilterValueNode(),b=a.querySelector("select");return Object.values(k(b)).map(function(a){return a.value})}},{key:"values",get:function get(){return this.rawValues.map(function(a){return parseInt(a,10)})}},{key:"filterValue",get:function get(){return{name:this.name,jointype:this.jointype,values:this.values}}}]);return a}();a.default=l;return a.default});
 //# sourceMappingURL=filter.min.js.map
diff --git a/user/amd/build/local/participantsfilter/filter.min.js.map b/user/amd/build/local/participantsfilter/filter.min.js.map
index 3be9a528bf3..9baa873efc7 100644
--- a/user/amd/build/local/participantsfilter/filter.min.js.map
+++ b/user/amd/build/local/participantsfilter/filter.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Base Filter class for a filter type in the participants filter UI.\n *\n * @module     core_user/local/participantsfilter/filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Autocomplete from 'core/form-autocomplete';\nimport Selectors from './selectors';\nimport {get_string as getString} from 'core/str';\n\n/**\n * Fetch all checked options in the select.\n *\n * This is a poor-man's polyfill for select.selectedOptions, which is not available in IE11.\n *\n * @param {HTMLSelectElement} select\n * @returns {HTMLOptionElement[]} All selected options\n */\nconst getOptionsForSelect = select => {\n    return select.querySelectorAll(':checked');\n};\n\nexport default class {\n\n    /**\n     * Constructor for a new filter.\n     *\n     * @param {String} filterType The type of filter that this relates to\n     * @param {HTMLElement} rootNode The root node for the participants filterset\n     * @param {Array} initialValues The initial values for the selector\n     */\n    constructor(filterType, rootNode, initialValues) {\n        this.filterType = filterType;\n        this.rootNode = rootNode;\n\n        this.addValueSelector(initialValues);\n    }\n\n    /**\n     * Perform any tear-down for this filter type.\n     */\n    tearDown() {\n        // eslint-disable-line no-empty-function\n    }\n\n    /**\n     * Get the placeholder to use when showing the value selector.\n     *\n     * @return {Promise} Resolving to a String\n     */\n    get placeholder() {\n        return getString('placeholdertypeorselect', 'core_user');\n    }\n\n    /**\n     * Whether to show suggestions in the autocomplete.\n     *\n     * @return {Boolean}\n     */\n    get showSuggestions() {\n        return true;\n    }\n\n    /**\n     * Add the value selector to the filter row.\n     *\n     * @param {Array} initialValues\n     */\n    async addValueSelector(initialValues = []) {\n        const filterValueNode = this.getFilterValueNode();\n\n        // Copy the data in place.\n        filterValueNode.innerHTML = this.getSourceDataForFilter().outerHTML;\n\n        const dataSource = filterValueNode.querySelector('select');\n\n        // Set an ID for this filter value element.\n        dataSource.id = 'filter-value-' + dataSource.getAttribute('data-field-name');\n\n        // Create a hidden label for the filter value.\n        const filterValueLabel = document.createElement('label');\n        filterValueLabel.setAttribute('for', dataSource.id);\n        filterValueLabel.classList.add('sr-only');\n        filterValueLabel.innerText = dataSource.getAttribute('data-field-title');\n\n        // Append this label to the filter value container.\n        filterValueNode.appendChild(filterValueLabel);\n\n        // If there are any initial values then attempt to apply them.\n        initialValues.forEach(filterValue => {\n            let selectedOption = dataSource.querySelector(`option[value=\"${filterValue}\"]`);\n            if (selectedOption) {\n                selectedOption.selected = true;\n            } else if (!this.showSuggestions) {\n                selectedOption = document.createElement('option');\n                selectedOption.value = filterValue;\n                selectedOption.innerHTML = filterValue;\n                selectedOption.selected = true;\n\n                dataSource.append(selectedOption);\n            }\n        });\n\n        Autocomplete.enhance(\n            // The source select element.\n            dataSource,\n\n            // Whether to allow 'tags' (custom entries).\n            dataSource.dataset.allowCustom == \"1\",\n\n            // We do not require AJAX at all as standard.\n            null,\n\n            // The string to use as a placeholder.\n            await this.placeholder,\n\n            // Disable case sensitivity on searches.\n            false,\n\n            // Show suggestions.\n            this.showSuggestions,\n\n            // Do not override the 'no suggestions' string.\n            null,\n\n            // Close the suggestions if this is not a multi-select.\n            !dataSource.multiple,\n\n            // Template overrides.\n            {\n                items: 'core_user/local/participantsfilter/autocomplete_selection_items',\n                layout: 'core_user/local/participantsfilter/autocomplete_layout',\n                selection: 'core_user/local/participantsfilter/autocomplete_selection',\n            }\n        );\n    }\n\n    /**\n     * Get the root node for this filter.\n     *\n     * @returns {HTMLElement}\n     */\n    get filterRoot() {\n        return this.rootNode.querySelector(Selectors.filter.byName(this.filterType));\n    }\n\n    /**\n     * Get the possible data for this filter type.\n     *\n     * @returns {Array}\n     */\n    getSourceDataForFilter() {\n        const filterDataNode = this.rootNode.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(this.filterType));\n    }\n\n    /**\n     * Get the HTMLElement which contains the value selector.\n     *\n     * @returns {HTMLElement}\n     */\n    getFilterValueNode() {\n        return this.filterRoot.querySelector(Selectors.filter.regions.values);\n    }\n\n    /**\n     * Get the name of this filter.\n     *\n     * @returns {String}\n     */\n    get name() {\n        return this.filterType;\n    }\n\n    /**\n     * Get the type of join specified.\n     *\n     * @returns {Number}\n     */\n    get jointype() {\n        return parseInt(this.filterRoot.querySelector(Selectors.filter.fields.join).value, 10);\n    }\n\n    /**\n     * Get the list of raw values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get rawValues() {\n        const filterValueNode 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\ No newline at end of file
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Base Filter class for a filter type in the participants filter UI.\n *\n * @module     core_user/local/participantsfilter/filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Autocomplete from 'core/form-autocomplete';\nimport Selectors from './selectors';\nimport {get_string as getString} from 'core/str';\n\n/**\n * Fetch all checked options in the select.\n *\n * This is a poor-man's polyfill for select.selectedOptions, which is not available in IE11.\n *\n * @param {HTMLSelectElement} select\n * @returns {HTMLOptionElement[]} All selected options\n */\nconst getOptionsForSelect = select => {\n    return select.querySelectorAll(':checked');\n};\n\nexport default class {\n\n    /**\n     * Constructor for a new filter.\n     *\n     * @param {String} filterType The type of filter that this relates to\n     * 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initialValues\n     */\n    async addValueSelector(initialValues = []) {\n        const filterValueNode = this.getFilterValueNode();\n\n        // Copy the data in place.\n        filterValueNode.innerHTML = this.getSourceDataForFilter().outerHTML;\n\n        const dataSource = filterValueNode.querySelector('select');\n\n        // Set an ID for this filter value element.\n        dataSource.id = 'filter-value-' + dataSource.getAttribute('data-field-name');\n\n        // Create a hidden label for the filter value.\n        const filterValueLabel = document.createElement('label');\n        filterValueLabel.setAttribute('for', dataSource.id);\n        filterValueLabel.classList.add('sr-only');\n        filterValueLabel.innerText = dataSource.getAttribute('data-field-title');\n\n        // Append this label to the filter value container.\n        filterValueNode.appendChild(filterValueLabel);\n\n        // If there are any initial values then attempt to apply them.\n        initialValues.forEach(filterValue => {\n            let selectedOption = dataSource.querySelector(`option[value=\"${filterValue}\"]`);\n            if (selectedOption) {\n                selectedOption.selected = true;\n            } else if (!this.showSuggestions) {\n                selectedOption = document.createElement('option');\n                selectedOption.value = filterValue;\n                selectedOption.innerHTML = filterValue;\n                selectedOption.selected = true;\n\n                dataSource.append(selectedOption);\n            }\n        });\n\n        Autocomplete.enhance(\n            // The source select element.\n            dataSource,\n\n            // Whether to allow 'tags' (custom entries).\n            dataSource.dataset.allowCustom == \"1\",\n\n            // We do not require AJAX at all as standard.\n            null,\n\n            // The string to use as a placeholder.\n            await this.placeholder,\n\n            // Disable case sensitivity on searches.\n            false,\n\n            // Show suggestions.\n            this.showSuggestions,\n\n            // Do not override the 'no suggestions' string.\n            null,\n\n            // Close the suggestions if this is not a multi-select.\n            !dataSource.multiple,\n\n            // Template overrides.\n            {\n                items: 'core_user/local/participantsfilter/autocomplete_selection_items',\n                layout: 'core_user/local/participantsfilter/autocomplete_layout',\n                selection: 'core_user/local/participantsfilter/autocomplete_selection',\n            }\n        );\n    }\n\n    /**\n     * Get the root node for this filter.\n     *\n     * @returns {HTMLElement}\n     */\n    get filterRoot() {\n        return this.rootNode.querySelector(Selectors.filter.byName(this.filterType));\n    }\n\n    /**\n     * Get the possible data for this filter type.\n     *\n     * @returns {Array}\n     */\n    getSourceDataForFilter() {\n        const filterDataNode = this.rootNode.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(this.filterType));\n    }\n\n    /**\n     * Get the HTMLElement which contains the value selector.\n     *\n     * @returns {HTMLElement}\n     */\n    getFilterValueNode() {\n        return this.filterRoot.querySelector(Selectors.filter.regions.values);\n    }\n\n    /**\n     * Get the name of this filter.\n     *\n     * @returns {String}\n     */\n    get name() {\n        return this.filterType;\n    }\n\n    /**\n     * Get the type of join specified.\n     *\n     * @returns {Number}\n     */\n    get jointype() {\n        return parseInt(this.filterRoot.querySelector(Selectors.filter.fields.join).value, 10);\n    }\n\n    /**\n     * Get the list of raw values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get rawValues() {\n        const filterValueNode = this.getFilterValueNode();\n        const filterValueSelect = filterValueNode.querySelector('select');\n\n        return Object.values(getOptionsForSelect(filterValueSelect)).map(option => option.value);\n    }\n\n    /**\n     * Get the list of values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get values() {\n        return this.rawValues.map(option => parseInt(option, 10));\n    }\n\n    /**\n     * Get the composed value for this filter.\n     *\n     * @returns {Object}\n     */\n    get filterValue() {\n        return {\n            name: this.name,\n            jointype: this.jointype,\n            values: this.values,\n        };\n    }\n}\n"],"file":"filter.min.js"}
\ No newline at end of file
diff --git a/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js b/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js
index 61445dc5cfd..e8120491892 100644
--- a/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js
+++ b/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js
@@ -1,2 +1,2 @@
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 //# sourceMappingURL=courseid.min.js.map
diff --git a/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js.map b/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js.map
index 273a359bb15..9e4d4f53413 100644
--- a/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js.map
+++ b/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../src/local/participantsfilter/filtertypes/courseid.js"],"names":["filterType","filterSet","name","jointype","values","parseInt","rootNode","dataset","tableCourseId","Filter"],"mappings":"uLAuBA,uD,+9DAGI,WAAYA,CAAZ,CAAwBC,CAAxB,CAAmC,8BACzBD,CADyB,CACbC,CADa,CAElC,C,4TAWiB,CACd,MAAO,CACHC,IAAI,CAAE,KAAKA,IADR,CAEHC,QAAQ,CAAE,CAFP,CAGHC,MAAM,CAAE,CAACC,QAAQ,CAAC,KAAKC,QAAL,CAAcC,OAAd,CAAsBC,aAAvB,CAAsC,EAAtC,CAAT,CAHL,CAKV,C,cApBwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Course ID filter.\n *\n * @module     core_user/local/participantsfilter/filtertypes/courseid\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Filter from '../filter';\n\nexport default class extends Filter {\n    constructor(filterType, filterSet) {\n        super(filterType, filterSet);\n    }\n\n    async addValueSelector() {\n        // eslint-disable-line no-empty-function\n    }\n\n    /**\n     * Get the composed value for this filter.\n     *\n     * @returns {Object}\n     */\n    get filterValue() {\n        return {\n            name: this.name,\n            jointype: 1,\n            values: [parseInt(this.rootNode.dataset.tableCourseId, 10)],\n        };\n    }\n}\n"],"file":"courseid.min.js"}
\ No newline at end of file
+{"version":3,"sources":["../../../../src/local/participantsfilter/filtertypes/courseid.js"],"names":["filterType","filterSet","name","jointype","values","parseInt","rootNode","dataset","tableCourseId","Filter"],"mappings":"ycAuBA,uD,i7DAGI,WAAYA,CAAZ,CAAwBC,CAAxB,CAAmC,8BACzBD,CADyB,CACbC,CADa,CAElC,C,8EAED,+H,iGASA,cAAkB,CACd,MAAO,CACHC,IAAI,CAAE,KAAKA,IADR,CAEHC,QAAQ,CAAE,CAFP,CAGHC,MAAM,CAAE,CAACC,QAAQ,CAAC,KAAKC,QAAL,CAAcC,OAAd,CAAsBC,aAAvB,CAAsC,EAAtC,CAAT,CAHL,CAKV,C,cApBwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Course ID filter.\n *\n * @module     core_user/local/participantsfilter/filtertypes/courseid\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Filter from '../filter';\n\nexport default class extends Filter {\n    constructor(filterType, filterSet) {\n        super(filterType, filterSet);\n    }\n\n    async addValueSelector() {\n        // eslint-disable-line no-empty-function\n    }\n\n    /**\n     * Get the composed value for this filter.\n     *\n     * @returns {Object}\n     */\n    get filterValue() {\n        return {\n            name: this.name,\n            jointype: 1,\n            values: [parseInt(this.rootNode.dataset.tableCourseId, 10)],\n        };\n    }\n}\n"],"file":"courseid.min.js"}
\ No newline at end of file
diff --git a/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js b/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js
index b9b0dda297f..f40b23ab919 100644
--- a/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js
+++ b/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js
@@ -1,2 +1,2 @@
-define ("core_user/local/participantsfilter/filtertypes/keyword",["exports","../filter","core/str"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function d(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){d=function(a){return typeof a}}else{d=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return d(a)}function e(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function f(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function g(a,b,c){if(b)f(a.prototype,b);if(c)f(a,c);return a}function h(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});if(b)i(a,b)}function i(a,b){i=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return i(a,b)}function j(a){return function(){var b=n(a),c;if(m()){var d=n(this).constructor;c=Reflect.construct(b,arguments,d)}else{c=b.apply(this,arguments)}return k(this,c)}}function k(a,b){if(b&&("object"===d(b)||"function"==typeof b)){return b}return l(a)}function l(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function m(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Date.prototype.toString.call(Reflect.construct(Date,[],function(){}));return!0}catch(a){return!1}}function n(a){n=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return n(a)}var o=function(a){h(b,a);var d=j(b);function b(){e(this,b);return d.apply(this,arguments)}g(b,[{key:"values",get:function get(){return this.rawValues}},{key:"placeholder",get:function get(){return(0,c.get_string)("placeholdertype","core_user")}},{key:"showSuggestions",get:function get(){return!1}}]);return b}(b.default);a.default=o;return a.default});
+function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core_user/local/participantsfilter/filtertypes/keyword",["exports","../filter","core/str"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function d(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function e(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function f(a,b,c){if(b)e(a.prototype,b);if(c)e(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}function g(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});Object.defineProperty(a,"prototype",{writable:!1});if(b)h(a,b)}function h(a,b){h=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return h(a,b)}function i(a){var b=l();return function(){var c=m(a),d;if(b){var e=m(this).constructor;d=Reflect.construct(c,arguments,e)}else{d=c.apply(this,arguments)}return j(this,d)}}function j(a,b){if(b&&("object"===_typeof(b)||"function"==typeof b)){return b}else if(void 0!==b){throw new TypeError("Derived constructors may only return object or undefined")}return k(a)}function k(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function l(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return!0}catch(a){return!1}}function m(a){m=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return m(a)}var n=function(a){g(e,a);var b=i(e);function e(){d(this,e);return b.apply(this,arguments)}f(e,[{key:"values",get:function get(){return this.rawValues}},{key:"placeholder",get:function get(){return(0,c.get_string)("placeholdertype","core_user")}},{key:"showSuggestions",get:function get(){return!1}}]);return e}(b.default);a.default=n;return a.default});
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diff --git a/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js.map b/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js.map
index 9a66bfa78b4..61fc1214d1f 100644
--- a/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js.map
+++ b/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../src/local/participantsfilter/filtertypes/keyword.js"],"names":["rawValues","Filter"],"mappings":"mMAuBA,uD,2vDASiB,CACT,MAAO,MAAKA,SACf,C,uCAOiB,CACd,MAAO,iBAAU,iBAAV,CAA6B,WAA7B,CACV,C,2CAOqB,CAClB,QACH,C,cA1BwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Keyword filter.\n *\n * @module     core_user/local/participantsfilter/filtertypes/keyword\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Filter from '../filter';\nimport {get_string as getString} from 'core/str';\n\nexport default class extends Filter {\n    /**\n     * For keywords the final value is an Array of strings.\n     *\n     * @returns {Object}\n     */\n    get values() {\n        return this.rawValues;\n    }\n\n    /**\n     * Get the placeholder to use when showing the value selector.\n     *\n     * @return {Promise} Resolving to a String\n     */\n    get placeholder() {\n        return getString('placeholdertype', 'core_user');\n    }\n\n    /**\n     * Whether to show suggestions in the autocomplete.\n     *\n     * @return {Boolean}\n     */\n    get showSuggestions() {\n        return false;\n    }\n}\n"],"file":"keyword.min.js"}
\ No newline at end of file
+{"version":3,"sources":["../../../../src/local/participantsfilter/filtertypes/keyword.js"],"names":["rawValues","Filter"],"mappings":"qdAuBA,uD,+rDASI,cAAa,CACT,MAAO,MAAKA,SACf,C,yBAOD,cAAkB,CACd,MAAO,iBAAU,iBAAV,CAA6B,WAA7B,CACV,C,6BAOD,cAAsB,CAClB,QACH,C,cA1BwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Keyword filter.\n *\n * @module     core_user/local/participantsfilter/filtertypes/keyword\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Filter from '../filter';\nimport {get_string as getString} from 'core/str';\n\nexport default class extends Filter {\n    /**\n     * For keywords the final value is an Array of strings.\n     *\n     * @returns {Object}\n     */\n    get values() {\n        return this.rawValues;\n    }\n\n    /**\n     * Get the placeholder to use when showing the value selector.\n     *\n     * @return {Promise} Resolving to a String\n     */\n    get placeholder() {\n        return getString('placeholdertype', 'core_user');\n    }\n\n    /**\n     * Whether to show suggestions in the autocomplete.\n     *\n     * @return {Boolean}\n     */\n    get showSuggestions() {\n        return false;\n    }\n}\n"],"file":"keyword.min.js"}
\ No newline at end of file
diff --git a/user/amd/build/participants.min.js b/user/amd/build/participants.min.js
index 071682ec3a7..b370ba5dbda 100644
--- a/user/amd/build/participants.min.js
+++ b/user/amd/build/participants.min.js
@@ -1,2 +1,2 @@
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diff --git a/user/amd/build/participants.min.js.map b/user/amd/build/participants.min.js.map
index aeaff37245e..0d5c5ccf194 100644
--- a/user/amd/build/participants.min.js.map
+++ b/user/amd/build/participants.min.js.map
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Some UI stuff for participants page.\n * This is also used by the report/participants/index.php because it has the same functionality.\n *\n * @module     core_user/participants\n * @package    core_user\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Str from 'core/str';\nimport CheckboxToggleAll from 'core/checkbox-toggleall';\nimport CustomEvents from 'core/custom_interaction_events';\nimport DynamicTableSelectors from 'core_table/local/dynamic/selectors';\nimport ModalEvents from 'core/modal_events';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\nimport jQuery from 'jquery';\nimport {showAddNote, showSendMessage} from 'core_user/local/participants/bulkactions';\n\nconst Selectors = {\n    bulkActionSelect: \"#formactionid\",\n    bulkUserSelectedCheckBoxes: \"input[data-togglegroup='participants-table'][data-toggle='slave']:checked\",\n    checkCountButton: \"#checkall\",\n    showCountText: '[data-region=\"participant-count\"]',\n    showCountToggle: '[data-action=\"showcount\"]',\n    stateHelpIcon: '[data-region=\"state-help-icon\"]',\n    tableForm: uniqueId => `form[data-table-unique-id=\"${uniqueId}\"]`,\n};\n\nexport const init = ({\n    uniqueid,\n    noteStateNames = {},\n}) => {\n    const root = document.querySelector(Selectors.tableForm(uniqueid));\n    const getTableFromUniqueId = uniqueId => root.querySelector(DynamicTableSelectors.main.fromRegionId(uniqueId));\n\n    /**\n     * Private method.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    const registerEventListeners = () => {\n        CustomEvents.define(Selectors.bulkActionSelect, [CustomEvents.events.accessibleChange]);\n        jQuery(Selectors.bulkActionSelect).on(CustomEvents.events.accessibleChange, e => {\n            const bulkActionSelect = e.target.closest('select');\n            const action = bulkActionSelect.value;\n            const tableRoot = getTableFromUniqueId(uniqueid);\n            const checkboxes = tableRoot.querySelectorAll(Selectors.bulkUserSelectedCheckBoxes);\n            const pendingPromise = new Pending('core_user/participants:bulkActionSelect');\n\n            if (action.indexOf('#') !== -1) {\n                e.preventDefault();\n\n                const ids = [];\n                checkboxes.forEach(checkbox => {\n                    ids.push(checkbox.getAttribute('name').replace('user', ''));\n                });\n\n                let bulkAction;\n                if (action === '#messageselect') {\n                    bulkAction = showSendMessage(ids);\n                } else if (action === '#addgroupnote') {\n                    bulkAction = showAddNote(\n                        root.dataset.courseId,\n                        ids,\n                        noteStateNames,\n                        root.querySelector(Selectors.stateHelpIcon)\n                    );\n                }\n\n                if (bulkAction) {\n                    const pendingBulkAction = new Pending('core_user/participants:bulkActionSelected');\n                    bulkAction\n                    .then(modal => {\n                        modal.getRoot().on(ModalEvents.hidden, () => {\n                            // Focus on the action select when the dialog is closed.\n                            bulkActionSelect.focus();\n                        });\n\n                        pendingBulkAction.resolve();\n                        return modal;\n                    })\n                    .catch(Notification.exception);\n                }\n            } else if (action !== '' && checkboxes.length) {\n                bulkActionSelect.form.submit();\n            }\n\n            resetBulkAction(bulkActionSelect);\n            pendingPromise.resolve();\n        });\n\n        root.addEventListener('click', e => {\n            // Handle clicking of the \"Show [all|count]\" and \"Select all\" actions.\n            const showCountLink = root.querySelector(Selectors.showCountToggle);\n            const checkCountButton = root.querySelector(Selectors.checkCountButton);\n\n            const showCountLinkClicked = showCountLink && showCountLink.contains(e.target);\n            const checkCountButtonClicked = checkCountButton && checkCountButton.contains(e.target);\n\n            if (showCountLinkClicked || checkCountButtonClicked) {\n                e.preventDefault();\n\n                const tableRoot = getTableFromUniqueId(uniqueid);\n\n                DynamicTable.setPageSize(tableRoot, showCountLink.dataset.targetPageSize)\n                .then(tableRoot => {\n                    // Always update the toggle state.\n                    // This ensures that the bulk actions are disabled after changing the page size.\n                    CheckboxToggleAll.setGroupState(root, 'participants-table', checkCountButtonClicked);\n\n                    return tableRoot;\n                })\n                .catch(Notification.exception);\n            }\n        });\n\n        // When the content is refreshed, update the row counts in various places.\n        root.addEventListener(DynamicTable.Events.tableContentRefreshed, e => {\n            const showCountLink = root.querySelector(Selectors.showCountToggle);\n            const checkCountButton = root.querySelector(Selectors.checkCountButton);\n\n            const tableRoot = e.target;\n\n            const defaultPageSize = parseInt(root.dataset.tableDefaultPerPage, 10);\n            const currentPageSize = parseInt(tableRoot.dataset.tablePageSize, 10);\n            const totalRowCount = parseInt(tableRoot.dataset.tableTotalRows, 10);\n\n            CheckboxToggleAll.updateSlavesFromMasterState(root, 'participants-table');\n\n            const pageCountStrings = [\n                {\n                    key: 'countparticipantsfound',\n                    component: 'core_user',\n                    param: totalRowCount,\n                },\n            ];\n\n\n            if (totalRowCount <= defaultPageSize) {\n                // There are fewer than the default page count numbers of rows.\n                showCountLink.classList.add('hidden');\n\n                if (checkCountButton) {\n                    checkCountButton.classList.add('hidden');\n                }\n            } else if (totalRowCount <= currentPageSize) {\n                // The are fewer than the current page size.\n                pageCountStrings.push({\n                    key: 'showperpage',\n                    component: 'core',\n                    param: defaultPageSize,\n                });\n\n                pageCountStrings.push({\n                    key: 'selectalluserswithcount',\n                    component: 'core',\n                    param: defaultPageSize,\n                });\n\n                // Show the 'Show [x]' link.\n                showCountLink.classList.remove('hidden');\n                showCountLink.dataset.targetPageSize = defaultPageSize;\n\n                if (checkCountButton) {\n                    // The 'Check all [x]' button is only visible when there are values to set.\n                    checkCountButton.classList.add('hidden');\n                }\n            } else {\n                pageCountStrings.push({\n                    key: 'showall',\n                    component: 'core',\n                    param: totalRowCount,\n                });\n\n                pageCountStrings.push({\n                    key: 'selectalluserswithcount',\n                    component: 'core',\n                    param: totalRowCount,\n                });\n\n                // Show both the 'Show [x]' link, and the 'Check all [x]' button.\n                showCountLink.classList.remove('hidden');\n                showCountLink.dataset.targetPageSize = totalRowCount;\n\n                if (checkCountButton) {\n                    checkCountButton.classList.remove('hidden');\n                }\n            }\n\n            Str.get_strings(pageCountStrings)\n            .then(([showingParticipantCountString, showCountString, selectCountString]) => {\n                const showingParticipantCount = root.querySelector(Selectors.showCountText);\n                showingParticipantCount.innerHTML = showingParticipantCountString;\n\n                if (showCountString) {\n                    showCountLink.innerHTML = showCountString;\n                }\n\n                if (selectCountString && checkCountButton) {\n                    checkCountButton.value = selectCountString;\n                }\n\n                return;\n            })\n            .catch(Notification.exception);\n        });\n    };\n\n    const resetBulkAction = bulkActionSelect => {\n        bulkActionSelect.value = '';\n    };\n\n    registerEventListeners();\n};\n"],"file":"participants.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Some UI stuff for participants page.\n * This is also used by the report/participants/index.php because it has the same functionality.\n *\n * @module     core_user/participants\n * @package    core_user\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Str from 'core/str';\nimport CheckboxToggleAll from 'core/checkbox-toggleall';\nimport CustomEvents from 'core/custom_interaction_events';\nimport DynamicTableSelectors from 'core_table/local/dynamic/selectors';\nimport ModalEvents from 'core/modal_events';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\nimport jQuery from 'jquery';\nimport {showAddNote, showSendMessage} from 'core_user/local/participants/bulkactions';\n\nconst Selectors = {\n    bulkActionSelect: \"#formactionid\",\n    bulkUserSelectedCheckBoxes: \"input[data-togglegroup='participants-table'][data-toggle='slave']:checked\",\n    checkCountButton: \"#checkall\",\n    showCountText: '[data-region=\"participant-count\"]',\n    showCountToggle: '[data-action=\"showcount\"]',\n    stateHelpIcon: '[data-region=\"state-help-icon\"]',\n    tableForm: uniqueId => `form[data-table-unique-id=\"${uniqueId}\"]`,\n};\n\nexport const init = ({\n    uniqueid,\n    noteStateNames = {},\n}) => {\n    const root = document.querySelector(Selectors.tableForm(uniqueid));\n    const getTableFromUniqueId = uniqueId => root.querySelector(DynamicTableSelectors.main.fromRegionId(uniqueId));\n\n    /**\n     * Private method.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    const registerEventListeners = () => {\n        CustomEvents.define(Selectors.bulkActionSelect, [CustomEvents.events.accessibleChange]);\n        jQuery(Selectors.bulkActionSelect).on(CustomEvents.events.accessibleChange, e => {\n            const bulkActionSelect = e.target.closest('select');\n            const action = bulkActionSelect.value;\n            const tableRoot = getTableFromUniqueId(uniqueid);\n            const checkboxes = tableRoot.querySelectorAll(Selectors.bulkUserSelectedCheckBoxes);\n            const pendingPromise = new Pending('core_user/participants:bulkActionSelect');\n\n            if (action.indexOf('#') !== -1) {\n                e.preventDefault();\n\n                const ids = [];\n                checkboxes.forEach(checkbox => {\n                    ids.push(checkbox.getAttribute('name').replace('user', ''));\n                });\n\n                let bulkAction;\n                if (action === '#messageselect') {\n                    bulkAction = showSendMessage(ids);\n                } else if (action === '#addgroupnote') {\n                    bulkAction = showAddNote(\n                        root.dataset.courseId,\n                        ids,\n                        noteStateNames,\n                        root.querySelector(Selectors.stateHelpIcon)\n                    );\n                }\n\n                if (bulkAction) {\n                    const pendingBulkAction = new Pending('core_user/participants:bulkActionSelected');\n                    bulkAction\n                    .then(modal => {\n                        modal.getRoot().on(ModalEvents.hidden, () => {\n                            // Focus on the action select when the dialog is closed.\n                            bulkActionSelect.focus();\n                        });\n\n                        pendingBulkAction.resolve();\n                        return modal;\n                    })\n                    .catch(Notification.exception);\n                }\n            } else if (action !== '' && checkboxes.length) {\n                bulkActionSelect.form.submit();\n            }\n\n            resetBulkAction(bulkActionSelect);\n            pendingPromise.resolve();\n        });\n\n        root.addEventListener('click', e => {\n            // Handle clicking of the \"Show [all|count]\" and \"Select all\" actions.\n            const showCountLink = root.querySelector(Selectors.showCountToggle);\n            const checkCountButton = root.querySelector(Selectors.checkCountButton);\n\n            const showCountLinkClicked = showCountLink && showCountLink.contains(e.target);\n            const checkCountButtonClicked = checkCountButton && checkCountButton.contains(e.target);\n\n            if (showCountLinkClicked || checkCountButtonClicked) {\n                e.preventDefault();\n\n                const tableRoot = getTableFromUniqueId(uniqueid);\n\n                DynamicTable.setPageSize(tableRoot, showCountLink.dataset.targetPageSize)\n                .then(tableRoot => {\n                    // Always update the toggle state.\n                    // This ensures that the bulk actions are disabled after changing the page size.\n                    CheckboxToggleAll.setGroupState(root, 'participants-table', checkCountButtonClicked);\n\n                    return tableRoot;\n                })\n                .catch(Notification.exception);\n            }\n        });\n\n        // When the content is refreshed, update the row counts in various places.\n        root.addEventListener(DynamicTable.Events.tableContentRefreshed, e => {\n            const showCountLink = root.querySelector(Selectors.showCountToggle);\n            const checkCountButton = root.querySelector(Selectors.checkCountButton);\n\n            const tableRoot = e.target;\n\n            const defaultPageSize = parseInt(root.dataset.tableDefaultPerPage, 10);\n            const currentPageSize = parseInt(tableRoot.dataset.tablePageSize, 10);\n            const totalRowCount = parseInt(tableRoot.dataset.tableTotalRows, 10);\n\n            CheckboxToggleAll.updateSlavesFromMasterState(root, 'participants-table');\n\n            const pageCountStrings = [\n                {\n                    key: 'countparticipantsfound',\n                    component: 'core_user',\n                    param: totalRowCount,\n                },\n            ];\n\n\n            if (totalRowCount <= defaultPageSize) {\n                // There are fewer than the default page count numbers of rows.\n                showCountLink.classList.add('hidden');\n\n                if (checkCountButton) {\n                    checkCountButton.classList.add('hidden');\n                }\n            } else if (totalRowCount <= currentPageSize) {\n                // The are fewer than the current page size.\n                pageCountStrings.push({\n                    key: 'showperpage',\n                    component: 'core',\n                    param: defaultPageSize,\n                });\n\n                pageCountStrings.push({\n                    key: 'selectalluserswithcount',\n                    component: 'core',\n                    param: defaultPageSize,\n                });\n\n                // Show the 'Show [x]' link.\n                showCountLink.classList.remove('hidden');\n                showCountLink.dataset.targetPageSize = defaultPageSize;\n\n                if (checkCountButton) {\n                    // The 'Check all [x]' button is only visible when there are values to set.\n                    checkCountButton.classList.add('hidden');\n                }\n            } else {\n                pageCountStrings.push({\n                    key: 'showall',\n                    component: 'core',\n                    param: totalRowCount,\n                });\n\n                pageCountStrings.push({\n                    key: 'selectalluserswithcount',\n                    component: 'core',\n                    param: totalRowCount,\n                });\n\n                // Show both the 'Show [x]' link, and the 'Check all [x]' button.\n                showCountLink.classList.remove('hidden');\n                showCountLink.dataset.targetPageSize = totalRowCount;\n\n                if (checkCountButton) {\n                    checkCountButton.classList.remove('hidden');\n                }\n            }\n\n            Str.get_strings(pageCountStrings)\n            .then(([showingParticipantCountString, showCountString, selectCountString]) => {\n                const showingParticipantCount = root.querySelector(Selectors.showCountText);\n                showingParticipantCount.innerHTML = showingParticipantCountString;\n\n                if (showCountString) {\n                    showCountLink.innerHTML = showCountString;\n                }\n\n                if (selectCountString && checkCountButton) {\n                    checkCountButton.value = selectCountString;\n                }\n\n                return;\n            })\n            .catch(Notification.exception);\n        });\n    };\n\n    const resetBulkAction = bulkActionSelect => {\n        bulkActionSelect.value = '';\n    };\n\n    registerEventListeners();\n};\n"],"file":"participants.min.js"}
\ No newline at end of file
diff --git a/user/amd/build/participantsfilter.min.js b/user/amd/build/participantsfilter.min.js
index 1f5b3f03e86..a083fae6c59 100644
--- a/user/amd/build/participantsfilter.min.js
+++ b/user/amd/build/participantsfilter.min.js
@@ -1,2 +1,2 @@
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diff --git a/user/amd/build/participantsfilter.min.js.map b/user/amd/build/participantsfilter.min.js.map
index 05781b4a4e8..83d463f20f2 100644
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Participants filter managemnet.\n *\n * @module     core_user/participants_filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport CourseFilter from './local/participantsfilter/filtertypes/courseid';\nimport * as DynamicTable from 'core_table/dynamic';\nimport GenericFilter from './local/participantsfilter/filter';\nimport {get_strings as getStrings} from 'core/str';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\nimport Selectors from './local/participantsfilter/selectors';\nimport Templates from 'core/templates';\nimport CustomEvents from 'core/custom_interaction_events';\nimport jQuery from 'jquery';\n\n/**\n * Initialise the participants filter on the element with the given id.\n *\n * @param {String} participantsRegionId\n */\nexport const init = participantsRegionId => {\n    // Keep a reference to the filterset.\n    const filterSet = document.querySelector(`#${participantsRegionId}`);\n\n    // Keep a reference to all of the active filters.\n    const activeFilters = {\n        courseid: new CourseFilter('courseid', filterSet),\n    };\n\n    /**\n     * Get the filter list region.\n     *\n     * @return {HTMLElement}\n     */\n    const getFilterRegion = () => filterSet.querySelector(Selectors.filterset.regions.filterlist);\n\n    /**\n     * Add an unselected filter row.\n     *\n     * @return {Promise}\n     */\n    const addFilterRow = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:addFilterRow');\n\n        const rownum = 1 + getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rownum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.appendNodeContents(getFilterRegion(), html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Get the filter data source node fro the specified filter type.\n     *\n     * @param {String} filterType\n     * @return {HTMLElement}\n     */\n    const getFilterDataSource = filterType => {\n        const filterDataNode = filterSet.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(filterType));\n    };\n\n    /**\n     * Add a filter to the list of active filters, performing any necessary setup.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {String} filterType\n     * @param {Array} initialFilterValues The initially selected values for the filter\n     * @returns {Filter}\n     */\n    const addFilter = async(filterRow, filterType, initialFilterValues) => {\n        // Name the filter on the filter row.\n        filterRow.dataset.filterType = filterType;\n\n        const filterDataNode = getFilterDataSource(filterType);\n\n        // Instantiate the Filter class.\n        let Filter = GenericFilter;\n        if (filterDataNode.dataset.filterTypeClass) {\n            Filter = await import(filterDataNode.dataset.filterTypeClass);\n        }\n        activeFilters[filterType] = new Filter(filterType, filterSet, initialFilterValues);\n\n        // Disable the select.\n        const typeField = filterRow.querySelector(Selectors.filter.fields.type);\n        typeField.value = filterType;\n        typeField.disabled = 'disabled';\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        return activeFilters[filterType];\n    };\n\n    /**\n     * Get the registered filter class for the named filter.\n     *\n     * @param {String} name\n     * @return {Object} See the Filter class.\n     */\n    const getFilterObject = name => {\n        return activeFilters[name];\n    };\n\n    /**\n     * Remove or replace the specified filter row and associated class, ensuring that if there is only one filter row,\n     * that it is replaced instead of being removed.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     */\n    const removeOrReplaceFilterRow = (filterRow, refreshContent) => {\n        const filterCount = getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n\n        if (filterCount === 1) {\n            replaceFilterRow(filterRow, refreshContent);\n        } else {\n            removeFilterRow(filterRow, refreshContent);\n        }\n    };\n\n    /**\n     * Remove the specified filter row and associated class.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     */\n    const removeFilterRow = async(filterRow, refreshContent = true) => {\n        const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n        const hasFilterValue = !!filterType.value;\n\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        // Remove the actual filter HTML.\n        filterRow.remove();\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        if (hasFilterValue && refreshContent) {\n            // Refresh the table if there was any content in this row.\n            updateTableFromFilter();\n        }\n\n        // Update filter fieldset legends.\n        const filterLegends = await getAvailableFilterLegends();\n\n        getFilterRegion().querySelectorAll(Selectors.filter.region).forEach((filterRow, index) => {\n            filterRow.querySelector('legend').innerText = filterLegends[index];\n        });\n\n    };\n\n    /**\n     * Replace the specified filter row with a new one.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     * @param {Number} rowNum The number used to label the filter fieldset legend (eg Row 1). Defaults to 1 (the first filter).\n     * @return {Promise}\n     */\n    const replaceFilterRow = (filterRow, refreshContent = true, rowNum = 1) => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rowNum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.replaceNode(filterRow, html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            // Refresh the table.\n            if (refreshContent) {\n                return updateTableFromFilter();\n            } else {\n                return filterRow;\n            }\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Remove the Filter Object from the register.\n     *\n     * @param {string} filterName The name of the filter to be removed\n     */\n    const removeFilterObject = filterName => {\n        if (filterName) {\n            const filter = getFilterObject(filterName);\n            if (filter) {\n                filter.tearDown();\n\n                // Remove from the list of active filters.\n                delete activeFilters[filterName];\n            }\n        }\n    };\n\n    /**\n     * Remove all filters.\n     *\n     * @returns {Promise}\n     */\n    const removeAllFilters = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:setFilterFromConfig');\n\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => removeOrReplaceFilterRow(filterRow, false));\n\n        // Refresh the table.\n        return updateTableFromFilter()\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        });\n    };\n\n    /**\n     * Remove any empty filters.\n     */\n    const removeEmptyFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n            if (!filterType.value) {\n                removeOrReplaceFilterRow(filterRow, false);\n            }\n        });\n    };\n\n    /**\n     * Update the list of filter types to filter out those already selected.\n     */\n    const updateFiltersOptions = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const options = filterRow.querySelectorAll(Selectors.filter.fields.type + ' option');\n            options.forEach(option => {\n                if (option.value === filterRow.dataset.filterType) {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                } else if (activeFilters[option.value]) {\n                    option.classList.add('hidden');\n                    option.disabled = true;\n                } else {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                }\n            });\n        });\n\n        // Configure the state of the \"Add row\" button.\n        // This button is disabled when there is a filter row available for each condition.\n        const addRowButton = filterSet.querySelector(Selectors.filterset.actions.addRow);\n        const filterDataNode = filterSet.querySelectorAll(Selectors.data.fields.all);\n        if (filterDataNode.length <= filters.length) {\n            addRowButton.setAttribute('disabled', 'disabled');\n        } else {\n            addRowButton.removeAttribute('disabled');\n        }\n\n        if (filters.length === 1) {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.add('hidden');\n            filterSet.querySelector(Selectors.filterset.fields.join).value = 1;\n            filterSet.dataset.filterverb = 1;\n        } else {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.remove('hidden');\n        }\n    };\n\n    /**\n     * Set the current filter options based on a provided configuration.\n     *\n     * @param {Object} config\n     * @param {Number} config.jointype\n     * @param {Object} config.filters\n     * @returns {Promise}\n     */\n    const setFilterFromConfig = config => {\n        const filterConfig = Object.entries(config.filters);\n\n        if (!filterConfig.length) {\n            // There are no filters to set from.\n            return Promise.resolve();\n        }\n\n        // Set the main join type.\n        filterSet.querySelector(Selectors.filterset.fields.join).value = config.jointype;\n\n        const filterPromises = filterConfig.map(([filterType, filterData]) => {\n            if (filterType === 'courseid') {\n                // The courseid is a special case.\n                return false;\n            }\n\n            const filterValues = filterData.values;\n\n            if (!filterValues.length) {\n                // There are no values for this filter.\n                // Skip it.\n                return false;\n            }\n\n            return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));\n        }).filter(promise => promise);\n\n        if (!filterPromises.length) {\n            return Promise.resolve();\n        }\n\n        return Promise.all(filterPromises).then(() => {\n            return removeEmptyFilters();\n        })\n        .then(updateFiltersOptions)\n        .then(updateTableFromFilter);\n    };\n\n    /**\n     * Update the Dynamic table based upon the current filter.\n     *\n     * @return {Promise}\n     */\n    const updateTableFromFilter = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:updateTableFromFilter');\n\n        const filters = {};\n        Object.values(activeFilters).forEach(filter => {\n            filters[filter.filterValue.name] = filter.filterValue;\n        });\n\n        return DynamicTable.setFilters(\n            DynamicTable.getTableFromId(filterSet.dataset.tableRegion),\n            {\n                jointype: parseInt(filterSet.querySelector(Selectors.filterset.fields.join).value, 10),\n                filters,\n            }\n        )\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the strings used to populate the fieldset legends for the maximum number of filters possible.\n     *\n     * @return {array}\n     */\n    const getAvailableFilterLegends = async() => {\n        const maxFilters = document.querySelector(Selectors.data.typeListSelect).length - 1;\n        let requests = [];\n\n        [...Array(maxFilters)].forEach((_, rowIndex) => {\n            requests.push({\n                \"key\": \"filterrowlegend\",\n                \"component\": \"core_user\",\n                // Add 1 since rows begin at 1 (index begins at zero).\n                \"param\": rowIndex + 1\n            });\n        });\n\n        const legendStrings = await getStrings(requests)\n        .then(fetchedStrings => {\n            return fetchedStrings;\n        })\n        .catch(Notification.exception);\n\n        return legendStrings;\n    };\n\n    // Add listeners for the main actions.\n    filterSet.querySelector(Selectors.filterset.region).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filterset.actions.addRow)) {\n            e.preventDefault();\n\n            addFilterRow();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.applyFilters)) {\n            e.preventDefault();\n\n            updateTableFromFilter();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.resetFilters)) {\n            e.preventDefault();\n\n            removeAllFilters();\n        }\n    });\n\n    // Add the listener to remove a single filter.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filter.actions.remove)) {\n            e.preventDefault();\n\n            removeOrReplaceFilterRow(e.target.closest(Selectors.filter.region), true);\n        }\n    });\n\n    // Add listeners for the filter type selection.\n    let filterRegion = jQuery(getFilterRegion());\n    CustomEvents.define(filterRegion, [CustomEvents.events.accessibleChange]);\n    filterRegion.on(CustomEvents.events.accessibleChange, e => {\n        const typeField = e.target.closest(Selectors.filter.fields.type);\n        if (typeField && typeField.value) {\n            const filter = e.target.closest(Selectors.filter.region);\n\n            addFilter(filter, typeField.value);\n        }\n    });\n\n    filterSet.querySelector(Selectors.filterset.fields.join).addEventListener('change', e => {\n        filterSet.dataset.filterverb = e.target.value;\n    });\n\n    const tableRoot = DynamicTable.getTableFromId(filterSet.dataset.tableRegion);\n    const initialFilters = DynamicTable.getFilters(tableRoot);\n    if (initialFilters) {\n        const initialFilterPromise = new Pending('core_user/participantsfilter:setFilterFromConfig');\n        // Apply the initial filter configuration.\n        setFilterFromConfig(initialFilters)\n        .then(() => initialFilterPromise.resolve())\n        .catch();\n    }\n};\n"],"file":"participantsfilter.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Participants filter managemnet.\n *\n * @module     core_user/participants_filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport CourseFilter from './local/participantsfilter/filtertypes/courseid';\nimport * as DynamicTable from 'core_table/dynamic';\nimport GenericFilter from './local/participantsfilter/filter';\nimport {get_strings as getStrings} from 'core/str';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\nimport Selectors from './local/participantsfilter/selectors';\nimport Templates from 'core/templates';\nimport CustomEvents from 'core/custom_interaction_events';\nimport jQuery from 'jquery';\n\n/**\n * Initialise the participants filter on the element with the given id.\n *\n * @param {String} participantsRegionId\n */\nexport const init = participantsRegionId => {\n    // Keep a reference to the filterset.\n    const filterSet = document.querySelector(`#${participantsRegionId}`);\n\n    // Keep a reference to all of the active filters.\n    const activeFilters = {\n        courseid: new CourseFilter('courseid', filterSet),\n    };\n\n    /**\n     * Get the filter list region.\n     *\n     * @return {HTMLElement}\n     */\n    const getFilterRegion = () => filterSet.querySelector(Selectors.filterset.regions.filterlist);\n\n    /**\n     * Add an unselected filter row.\n     *\n     * @return {Promise}\n     */\n    const addFilterRow = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:addFilterRow');\n\n        const rownum = 1 + getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rownum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.appendNodeContents(getFilterRegion(), html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Get the filter data source node fro the specified filter type.\n     *\n     * @param {String} filterType\n     * @return {HTMLElement}\n     */\n    const getFilterDataSource = filterType => {\n        const filterDataNode = filterSet.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(filterType));\n    };\n\n    /**\n     * Add a filter to the list of active filters, performing any necessary setup.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {String} filterType\n     * @param {Array} initialFilterValues The initially selected values for the filter\n     * @returns {Filter}\n     */\n    const addFilter = async(filterRow, filterType, initialFilterValues) => {\n        // Name the filter on the filter row.\n        filterRow.dataset.filterType = filterType;\n\n        const filterDataNode = getFilterDataSource(filterType);\n\n        // Instantiate the Filter class.\n        let Filter = GenericFilter;\n        if (filterDataNode.dataset.filterTypeClass) {\n            Filter = await import(filterDataNode.dataset.filterTypeClass);\n        }\n        activeFilters[filterType] = new Filter(filterType, filterSet, initialFilterValues);\n\n        // Disable the select.\n        const typeField = filterRow.querySelector(Selectors.filter.fields.type);\n        typeField.value = filterType;\n        typeField.disabled = 'disabled';\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        return activeFilters[filterType];\n    };\n\n    /**\n     * Get the registered filter class for the named filter.\n     *\n     * @param {String} name\n     * @return {Object} See the Filter class.\n     */\n    const getFilterObject = name => {\n        return activeFilters[name];\n    };\n\n    /**\n     * Remove or replace the specified filter row and associated class, ensuring that if there is only one filter row,\n     * that it is replaced instead of being removed.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     */\n    const removeOrReplaceFilterRow = (filterRow, refreshContent) => {\n        const filterCount = getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n\n        if (filterCount === 1) {\n            replaceFilterRow(filterRow, refreshContent);\n        } else {\n            removeFilterRow(filterRow, refreshContent);\n        }\n    };\n\n    /**\n     * Remove the specified filter row and associated class.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     */\n    const removeFilterRow = async(filterRow, refreshContent = true) => {\n        const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n        const hasFilterValue = !!filterType.value;\n\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        // Remove the actual filter HTML.\n        filterRow.remove();\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        if (hasFilterValue && refreshContent) {\n            // Refresh the table if there was any content in this row.\n            updateTableFromFilter();\n        }\n\n        // Update filter fieldset legends.\n        const filterLegends = await getAvailableFilterLegends();\n\n        getFilterRegion().querySelectorAll(Selectors.filter.region).forEach((filterRow, index) => {\n            filterRow.querySelector('legend').innerText = filterLegends[index];\n        });\n\n    };\n\n    /**\n     * Replace the specified filter row with a new one.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     * @param {Number} rowNum The number used to label the filter fieldset legend (eg Row 1). Defaults to 1 (the first filter).\n     * @return {Promise}\n     */\n    const replaceFilterRow = (filterRow, refreshContent = true, rowNum = 1) => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rowNum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.replaceNode(filterRow, html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            // Refresh the table.\n            if (refreshContent) {\n                return updateTableFromFilter();\n            } else {\n                return filterRow;\n            }\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Remove the Filter Object from the register.\n     *\n     * @param {string} filterName The name of the filter to be removed\n     */\n    const removeFilterObject = filterName => {\n        if (filterName) {\n            const filter = getFilterObject(filterName);\n            if (filter) {\n                filter.tearDown();\n\n                // Remove from the list of active filters.\n                delete activeFilters[filterName];\n            }\n        }\n    };\n\n    /**\n     * Remove all filters.\n     *\n     * @returns {Promise}\n     */\n    const removeAllFilters = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:setFilterFromConfig');\n\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => removeOrReplaceFilterRow(filterRow, false));\n\n        // Refresh the table.\n        return updateTableFromFilter()\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        });\n    };\n\n    /**\n     * Remove any empty filters.\n     */\n    const removeEmptyFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n            if (!filterType.value) {\n                removeOrReplaceFilterRow(filterRow, false);\n            }\n        });\n    };\n\n    /**\n     * Update the list of filter types to filter out those already selected.\n     */\n    const updateFiltersOptions = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const options = filterRow.querySelectorAll(Selectors.filter.fields.type + ' option');\n            options.forEach(option => {\n                if (option.value === filterRow.dataset.filterType) {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                } else if (activeFilters[option.value]) {\n                    option.classList.add('hidden');\n                    option.disabled = true;\n                } else {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                }\n            });\n        });\n\n        // Configure the state of the \"Add row\" button.\n        // This button is disabled when there is a filter row available for each condition.\n        const addRowButton = filterSet.querySelector(Selectors.filterset.actions.addRow);\n        const filterDataNode = filterSet.querySelectorAll(Selectors.data.fields.all);\n        if (filterDataNode.length <= filters.length) {\n            addRowButton.setAttribute('disabled', 'disabled');\n        } else {\n            addRowButton.removeAttribute('disabled');\n        }\n\n        if (filters.length === 1) {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.add('hidden');\n            filterSet.querySelector(Selectors.filterset.fields.join).value = 1;\n            filterSet.dataset.filterverb = 1;\n        } else {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.remove('hidden');\n        }\n    };\n\n    /**\n     * Set the current filter options based on a provided configuration.\n     *\n     * @param {Object} config\n     * @param {Number} config.jointype\n     * @param {Object} config.filters\n     * @returns {Promise}\n     */\n    const setFilterFromConfig = config => {\n        const filterConfig = Object.entries(config.filters);\n\n        if (!filterConfig.length) {\n            // There are no filters to set from.\n            return Promise.resolve();\n        }\n\n        // Set the main join type.\n        filterSet.querySelector(Selectors.filterset.fields.join).value = config.jointype;\n\n        const filterPromises = filterConfig.map(([filterType, filterData]) => {\n            if (filterType === 'courseid') {\n                // The courseid is a special case.\n                return false;\n            }\n\n            const filterValues = filterData.values;\n\n            if (!filterValues.length) {\n                // There are no values for this filter.\n                // Skip it.\n                return false;\n            }\n\n            return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));\n        }).filter(promise => promise);\n\n        if (!filterPromises.length) {\n            return Promise.resolve();\n        }\n\n        return Promise.all(filterPromises).then(() => {\n            return removeEmptyFilters();\n        })\n        .then(updateFiltersOptions)\n        .then(updateTableFromFilter);\n    };\n\n    /**\n     * Update the Dynamic table based upon the current filter.\n     *\n     * @return {Promise}\n     */\n    const updateTableFromFilter = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:updateTableFromFilter');\n\n        const filters = {};\n        Object.values(activeFilters).forEach(filter => {\n            filters[filter.filterValue.name] = filter.filterValue;\n        });\n\n        return DynamicTable.setFilters(\n            DynamicTable.getTableFromId(filterSet.dataset.tableRegion),\n            {\n                jointype: parseInt(filterSet.querySelector(Selectors.filterset.fields.join).value, 10),\n                filters,\n            }\n        )\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the strings used to populate the fieldset legends for the maximum number of filters possible.\n     *\n     * @return {array}\n     */\n    const getAvailableFilterLegends = async() => {\n        const maxFilters = document.querySelector(Selectors.data.typeListSelect).length - 1;\n        let requests = [];\n\n        [...Array(maxFilters)].forEach((_, rowIndex) => {\n            requests.push({\n                \"key\": \"filterrowlegend\",\n                \"component\": \"core_user\",\n                // Add 1 since rows begin at 1 (index begins at zero).\n                \"param\": rowIndex + 1\n            });\n        });\n\n        const legendStrings = await getStrings(requests)\n        .then(fetchedStrings => {\n            return fetchedStrings;\n        })\n        .catch(Notification.exception);\n\n        return legendStrings;\n    };\n\n    // Add listeners for the main actions.\n    filterSet.querySelector(Selectors.filterset.region).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filterset.actions.addRow)) {\n            e.preventDefault();\n\n            addFilterRow();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.applyFilters)) {\n            e.preventDefault();\n\n            updateTableFromFilter();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.resetFilters)) {\n            e.preventDefault();\n\n            removeAllFilters();\n        }\n    });\n\n    // Add the listener to remove a single filter.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filter.actions.remove)) {\n            e.preventDefault();\n\n            removeOrReplaceFilterRow(e.target.closest(Selectors.filter.region), true);\n        }\n    });\n\n    // Add listeners for the filter type selection.\n    let filterRegion = jQuery(getFilterRegion());\n    CustomEvents.define(filterRegion, [CustomEvents.events.accessibleChange]);\n    filterRegion.on(CustomEvents.events.accessibleChange, e => {\n        const typeField = e.target.closest(Selectors.filter.fields.type);\n        if (typeField && typeField.value) {\n            const filter = e.target.closest(Selectors.filter.region);\n\n            addFilter(filter, typeField.value);\n        }\n    });\n\n    filterSet.querySelector(Selectors.filterset.fields.join).addEventListener('change', e => {\n        filterSet.dataset.filterverb = e.target.value;\n    });\n\n    const tableRoot = DynamicTable.getTableFromId(filterSet.dataset.tableRegion);\n    const initialFilters = DynamicTable.getFilters(tableRoot);\n    if (initialFilters) {\n        const initialFilterPromise = new Pending('core_user/participantsfilter:setFilterFromConfig');\n        // Apply the initial filter configuration.\n        setFilterFromConfig(initialFilters)\n        .then(() => initialFilterPromise.resolve())\n        .catch();\n    }\n};\n"],"file":"participantsfilter.min.js"}
\ No newline at end of file
diff --git a/user/amd/build/repository.min.js b/user/amd/build/repository.min.js
index fec9ab0154c..b17bb54da49 100644
--- a/user/amd/build/repository.min.js
+++ b/user/amd/build/repository.min.js
@@ -1,2 +1,2 @@
-define ("core_user/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.sendMessagesToUsers=a.createNotesForUsers=a.submitUserEnrolmentForm=a.unenrolUser=void 0;a.unenrolUser=function unenrolUser(a){return(0,b.call)([{methodname:"core_enrol_unenrol_user_enrolment",args:{ueid:a}}])[0]};a.submitUserEnrolmentForm=function submitUserEnrolmentForm(a){return(0,b.call)([{methodname:"core_enrol_submit_user_enrolment_form",args:{formdata:a}}])[0]};a.createNotesForUsers=function createNotesForUsers(a){return(0,b.call)([{methodname:"core_notes_create_notes",args:{notes:a}}])[0]};a.sendMessagesToUsers=function sendMessagesToUsers(a){return(0,b.call)([{methodname:"core_message_send_instant_messages",args:{messages:a}}])[0]}});
+define ("core_user/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.unenrolUser=a.submitUserEnrolmentForm=a.sendMessagesToUsers=a.createNotesForUsers=void 0;a.unenrolUser=function unenrolUser(a){return(0,b.call)([{methodname:"core_enrol_unenrol_user_enrolment",args:{ueid:a}}])[0]};a.submitUserEnrolmentForm=function submitUserEnrolmentForm(a){return(0,b.call)([{methodname:"core_enrol_submit_user_enrolment_form",args:{formdata:a}}])[0]};a.createNotesForUsers=function createNotesForUsers(a){return(0,b.call)([{methodname:"core_notes_create_notes",args:{notes:a}}])[0]};a.sendMessagesToUsers=function sendMessagesToUsers(a){return(0,b.call)([{methodname:"core_message_send_instant_messages",args:{messages:a}}])[0]}});
 //# sourceMappingURL=repository.min.js.map
diff --git a/user/amd/build/status_field.min.js b/user/amd/build/status_field.min.js
index f0f6af8f965..3c89bf4f9c3 100644
--- a/user/amd/build/status_field.min.js
+++ b/user/amd/build/status_field.min.js
@@ -1,2 +1,2 @@
-function _typeof(a){"@babel/helpers - typeof";if("function"==typeof Symbol&&"symbol"==typeof Symbol.iterator){_typeof=function(a){return typeof a}}else{_typeof=function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a}}return _typeof(a)}define ("core_user/status_field",["exports","core_table/dynamic","./repository","core/str","core_table/local/dynamic/selectors","core/fragment","core/modal_events","core/modal_factory","core/notification","core/templates","core/toast"],function(a,b,c,d,f,g,h,i,j,k,l){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=o(b);c=o(c);d=o(d);f=m(f);g=m(g);h=m(h);i=m(i);j=m(j);k=m(k);function m(a){return a&&a.__esModule?a:{default:a}}function n(){if("function"!=typeof WeakMap)return null;var a=new WeakMap;n=function(){return a};return a}function o(a){if(a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var b=n();if(b&&b.has(a)){return b.get(a)}var c={},d=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var e in a){if(Object.prototype.hasOwnProperty.call(a,e)){var f=d?Object.getOwnPropertyDescriptor(a,e):null;if(f&&(f.get||f.set)){Object.defineProperty(c,e,f)}else{c[e]=a[e]}}}c.default=a;if(b){b.set(a,c)}return c}function p(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);if(b)d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable});c.push.apply(c,d)}return c}function q(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};if(b%2){p(Object(c),!0).forEach(function(b){r(a,b,c[b])})}else if(Object.getOwnPropertyDescriptors){Object.defineProperties(a,Object.getOwnPropertyDescriptors(c))}else{p(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}}return a}function r(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function s(a,b){return x(a)||w(a,b)||u(a,b)||t()}function t(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function u(a,b){if(!a)return;if("string"==typeof a)return v(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);if("Object"===c&&a.constructor)c=a.constructor.name;if("Map"===c||"Set"===c)return Array.from(c);if("Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c))return v(a,b)}function v(a,b){if(null==b||b>a.length)b=a.length;for(var c=0,d=Array(b);c<b;c++){d[c]=a[c]}return d}function w(a,b){if("undefined"==typeof Symbol||!(Symbol.iterator in Object(a)))return;var c=[],d=!0,e=!1,f=void 0;try{for(var g=a[Symbol.iterator](),h;!(d=(h=g.next()).done);d=!0){c.push(h.value);if(b&&c.length===b)break}}catch(a){e=!0;f=a}finally{try{if(!d&&null!=g["return"])g["return"]()}finally{if(e)throw f}}return c}function x(a){if(Array.isArray(a))return a}var y={editEnrolment:"[data-action=\"editenrolment\"]",showDetails:"[data-action=\"showdetails\"]",unenrol:"[data-action=\"unenrol\"]",statusElement:"[data-status]"},z=function(a){return a.closest(f.default.main.region)},A=function(a){return a.closest(y.statusElement)},B=function(a){return a.getAttribute("rel")},C=function(a,b){var c=function(b,c){return I(a,b,c)};document.addEventListener("click",function(a){var d=a.target.closest(f.default.main.fromRegionId(b));if(!d){return}var e=a.target.closest(y.editEnrolment);if(e){a.preventDefault();D(e,c)}var g=a.target.closest(y.unenrol);if(g){a.preventDefault();E(g)}var h=a.target.closest(y.showDetails);if(h){a.preventDefault();F(h)}})},D=function(a,b){var c=A(a),f=B(a);i.default.create({large:!0,title:d.get_string("edituserenrolment","enrol",c.dataset.fullname),type:i.default.types.SAVE_CANCEL,body:b(f)}).then(function(d){d.getRoot().on(h.default.save,function(g){g.preventDefault();G(a,b,d,f,c.dataset)});d.getRoot().on(h.default.hidden,function(){d.destroy()});d.show();return d}).catch(j.default.exception)},E=function(a){var b=A(a),c=B(a);i.default.create({type:i.default.types.SAVE_CANCEL}).then(function(f){f.getRoot().on(h.default.save,function(d){d.preventDefault();H(a,f,{ueid:c},b.dataset)});f.getRoot().on(h.default.hidden,function(){f.destroy()});f.show();var g=[{key:"unenrol",component:"enrol"},{key:"unenrolconfirm",component:"enrol",param:{user:b.dataset.fullname,course:b.dataset.coursename,enrolinstancename:b.dataset.enrolinstancename}}];return Promise.all([d.get_strings(g),f])}).then(function(a){var b=s(a,2),c=b[0],d=b[1];d.setTitle(c[0]);d.setSaveButtonText(c[0]);d.setBody(c[1]);return 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diff --git a/user/amd/build/status_field.min.js.map b/user/amd/build/status_field.min.js.map
index 52641a3617b..5a805cd75e0 100644
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for the user enrolment status field in the course participants page.\n *\n * @module     core_user/status_field\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Repository from './repository';\nimport * as Str from 'core/str';\nimport DynamicTableSelectors from 'core_table/local/dynamic/selectors';\nimport Fragment from 'core/fragment';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport {add as notifyUser} from 'core/toast';\n\nconst Selectors = {\n    editEnrolment: '[data-action=\"editenrolment\"]',\n    showDetails: '[data-action=\"showdetails\"]',\n    unenrol: '[data-action=\"unenrol\"]',\n    statusElement: '[data-status]',\n};\n\n/**\n * Get the dynamic table from the specified link.\n *\n * @param {HTMLElement} link\n * @returns {HTMLElement}\n */\nconst getDynamicTableFromLink = link => link.closest(DynamicTableSelectors.main.region);\n\n/**\n * Get the status container from the specified link.\n *\n * @param {HTMLElement} link\n * @returns {HTMLElement}\n */\nconst getStatusContainer = link => link.closest(Selectors.statusElement);\n\n/**\n * Get user enrolment id from the specified link\n *\n * @param {HTMLElement} link\n * @returns {Number}\n */\nconst getUserEnrolmentIdFromLink = link => link.getAttribute('rel');\n\n/**\n * Register all event listeners for the status fields.\n *\n * @param {Number} contextId\n * @param {Number} uniqueId\n */\nconst registerEventListeners = (contextId, uniqueId) => {\n    const getBodyFunction = (userEnrolmentId, formData) => getBody(contextId, userEnrolmentId, formData);\n\n    document.addEventListener('click', e => {\n        const tableRoot = e.target.closest(DynamicTableSelectors.main.fromRegionId(uniqueId));\n        if (!tableRoot) {\n            return;\n        }\n\n        const editLink = e.target.closest(Selectors.editEnrolment);\n        if (editLink) {\n            e.preventDefault();\n\n            showEditDialogue(editLink, getBodyFunction);\n        }\n\n        const unenrolLink = e.target.closest(Selectors.unenrol);\n        if (unenrolLink) {\n            e.preventDefault();\n\n            showUnenrolConfirmation(unenrolLink);\n        }\n\n        const showDetailsLink = e.target.closest(Selectors.showDetails);\n        if (showDetailsLink) {\n            e.preventDefault();\n\n            showStatusDetails(showDetailsLink);\n        }\n    });\n};\n\n/**\n * Show the edit dialogue.\n *\n * @param {HTMLElement} link\n * @param {Function} getBody Function to get the body for the specified user enrolment\n */\nconst showEditDialogue = (link, getBody) => {\n    const container = getStatusContainer(link);\n    const userEnrolmentId = getUserEnrolmentIdFromLink(link);\n\n    ModalFactory.create({\n        large: true,\n        title: Str.get_string('edituserenrolment', 'enrol', container.dataset.fullname),\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: getBody(userEnrolmentId)\n    })\n    .then(modal => {\n        // Handle save event.\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Don't close the modal yet.\n            e.preventDefault();\n\n            // Submit form data.\n            submitEditFormAjax(link, getBody, modal, userEnrolmentId, container.dataset);\n        });\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Show the modal.\n        modal.show();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Show and handle the unenrolment confirmation dialogue.\n *\n * @param {HTMLElement} link\n */\nconst showUnenrolConfirmation = link => {\n    const container = getStatusContainer(link);\n    const userEnrolmentId = getUserEnrolmentIdFromLink(link);\n\n    ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n    })\n    .then(modal => {\n        // Handle confirm event.\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Don't close the modal yet.\n            e.preventDefault();\n\n            // Submit data.\n            submitUnenrolFormAjax(\n                link,\n                modal,\n                {\n                    ueid: userEnrolmentId,\n                },\n                container.dataset\n            );\n        });\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Display the delete confirmation modal.\n        modal.show();\n\n        const stringData = [\n            {\n                key: 'unenrol',\n                component: 'enrol',\n            },\n            {\n                key: 'unenrolconfirm',\n                component: 'enrol',\n                param: {\n                    user: container.dataset.fullname,\n                    course: container.dataset.coursename,\n                    enrolinstancename: container.dataset.enrolinstancename,\n                }\n            }\n        ];\n\n        return Promise.all([Str.get_strings(stringData), modal]);\n    })\n    .then(([strings, modal]) => {\n        modal.setTitle(strings[0]);\n        modal.setSaveButtonText(strings[0]);\n        modal.setBody(strings[1]);\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Show the user details dialogue.\n *\n * @param {HTMLElement} link\n */\nconst showStatusDetails = link => {\n    const container = getStatusContainer(link);\n\n    const context = {\n        editenrollink: '',\n        statusclass: container.querySelector('span.badge').getAttribute('class'),\n        ...container.dataset,\n    };\n\n    // Find the edit enrolment link.\n    const editEnrolLink = container.querySelector(Selectors.editEnrolment);\n    if (editEnrolLink) {\n        // If there's an edit enrolment link for this user, clone it into the context for the modal.\n        context.editenrollink = editEnrolLink.outerHTML;\n    }\n\n    ModalFactory.create({\n        large: true,\n        type: ModalFactory.types.CANCEL,\n        title: Str.get_string('enroldetails', 'enrol'),\n        body: Templates.render('core_user/status_details', context),\n    })\n    .then(modal => {\n        if (editEnrolLink) {\n            modal.getRoot().on('click', Selectors.editEnrolment, e => {\n                e.preventDefault();\n                modal.hide();\n\n                // Trigger click event for the edit enrolment link to show the edit enrolment modal.\n                editEnrolLink.click();\n            });\n        }\n\n        modal.show();\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => modal.destroy());\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Submit the edit dialogue.\n *\n * @param {HTMLElement} clickedLink\n * @param {Function} getBody\n * @param {Object} modal\n * @param {Number} userEnrolmentId\n * @param {Object} userData\n */\nconst submitEditFormAjax = (clickedLink, getBody, modal, userEnrolmentId, userData) => {\n    const form = modal.getRoot().find('form');\n\n    Repository.submitUserEnrolmentForm(form.serialize())\n    .then(data => {\n        if (!data.result) {\n            throw data.result;\n        }\n\n        // Dismiss the modal.\n        modal.hide();\n        modal.destroy();\n\n        return data;\n    })\n    .then(() => {\n        DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink))\n        .catch(Notification.exception);\n\n        return Str.get_string('enrolmentupdatedforuser', 'core_enrol', userData);\n    })\n    .then(notificationString => {\n        notifyUser(notificationString);\n\n        return;\n    })\n    .catch(() => {\n        modal.setBody(getBody(userEnrolmentId, JSON.stringify(form.serialize())));\n\n        return modal;\n    });\n};\n\n/**\n * Submit the unenrolment form.\n *\n * @param {HTMLElement} clickedLink\n * @param {Object} modal\n * @param {Object} args\n * @param {Object} userData\n */\nconst submitUnenrolFormAjax = (clickedLink, modal, args, userData) => {\n    Repository.unenrolUser(args.ueid)\n    .then(data => {\n        if (!data.result) {\n            // Display an alert containing the error message\n            Notification.alert(data.errors[0].key, data.errors[0].message);\n\n            return data;\n        }\n\n        // Dismiss the modal.\n        modal.hide();\n        modal.destroy();\n\n        return data;\n    })\n    .then(() => {\n        DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink))\n        .catch(Notification.exception);\n\n        return Str.get_string('unenrolleduser', 'core_enrol', userData);\n    })\n    .then(notificationString => {\n        notifyUser(notificationString);\n\n        return;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Get the body fragment.\n *\n * @param {Number} contextId\n * @param {Number} ueid The user enrolment id\n * @param {Object} formdata\n * @returns {Promise}\n */\nconst getBody = (contextId, ueid, formdata = null) => Fragment.loadFragment(\n    'enrol',\n    'user_enrolment_form',\n    contextId,\n    {\n        ueid,\n        formdata,\n    }\n);\n\n/**\n * Initialise the statu field handler.\n *\n * @param {Number} contextid\n * @param {Number} uniqueid\n */\nexport const init = ({contextid, uniqueid}) => {\n    registerEventListeners(contextid, uniqueid);\n};\n"],"file":"status_field.min.js"}
\ No newline at end of file
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for the user enrolment status field in the course participants page.\n *\n * @module     core_user/status_field\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Repository from './repository';\nimport * as Str from 'core/str';\nimport DynamicTableSelectors from 'core_table/local/dynamic/selectors';\nimport Fragment from 'core/fragment';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport {add as notifyUser} from 'core/toast';\n\nconst Selectors = {\n    editEnrolment: '[data-action=\"editenrolment\"]',\n    showDetails: '[data-action=\"showdetails\"]',\n    unenrol: '[data-action=\"unenrol\"]',\n    statusElement: '[data-status]',\n};\n\n/**\n * Get the dynamic table from the specified link.\n *\n * @param {HTMLElement} link\n * @returns {HTMLElement}\n */\nconst getDynamicTableFromLink = link => link.closest(DynamicTableSelectors.main.region);\n\n/**\n * Get the status container from the specified link.\n *\n * @param {HTMLElement} link\n * @returns {HTMLElement}\n */\nconst getStatusContainer = link => link.closest(Selectors.statusElement);\n\n/**\n * Get user enrolment id from the specified link\n *\n * @param {HTMLElement} link\n * @returns {Number}\n */\nconst getUserEnrolmentIdFromLink = link => link.getAttribute('rel');\n\n/**\n * Register all event listeners for the status fields.\n *\n * @param {Number} contextId\n * @param {Number} uniqueId\n */\nconst registerEventListeners = (contextId, uniqueId) => {\n    const getBodyFunction = (userEnrolmentId, formData) => getBody(contextId, userEnrolmentId, formData);\n\n    document.addEventListener('click', e => {\n        const tableRoot = e.target.closest(DynamicTableSelectors.main.fromRegionId(uniqueId));\n        if (!tableRoot) {\n            return;\n        }\n\n        const editLink = e.target.closest(Selectors.editEnrolment);\n        if (editLink) {\n            e.preventDefault();\n\n            showEditDialogue(editLink, getBodyFunction);\n        }\n\n        const unenrolLink = e.target.closest(Selectors.unenrol);\n        if (unenrolLink) {\n            e.preventDefault();\n\n            showUnenrolConfirmation(unenrolLink);\n        }\n\n        const showDetailsLink = e.target.closest(Selectors.showDetails);\n        if (showDetailsLink) {\n            e.preventDefault();\n\n            showStatusDetails(showDetailsLink);\n        }\n    });\n};\n\n/**\n * Show the edit dialogue.\n *\n * @param {HTMLElement} link\n * @param {Function} getBody Function to get the body for the specified user enrolment\n */\nconst showEditDialogue = (link, getBody) => {\n    const container = getStatusContainer(link);\n    const userEnrolmentId = getUserEnrolmentIdFromLink(link);\n\n    ModalFactory.create({\n        large: true,\n        title: Str.get_string('edituserenrolment', 'enrol', container.dataset.fullname),\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: getBody(userEnrolmentId)\n    })\n    .then(modal => {\n        // Handle save event.\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Don't close the modal yet.\n            e.preventDefault();\n\n            // Submit form data.\n            submitEditFormAjax(link, getBody, modal, userEnrolmentId, container.dataset);\n        });\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Show the modal.\n        modal.show();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Show and handle the unenrolment confirmation dialogue.\n *\n * @param {HTMLElement} link\n */\nconst showUnenrolConfirmation = link => {\n    const container = getStatusContainer(link);\n    const userEnrolmentId = getUserEnrolmentIdFromLink(link);\n\n    ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n    })\n    .then(modal => {\n        // Handle confirm event.\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Don't close the modal yet.\n            e.preventDefault();\n\n            // Submit data.\n            submitUnenrolFormAjax(\n                link,\n                modal,\n                {\n                    ueid: userEnrolmentId,\n                },\n                container.dataset\n            );\n        });\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Display the delete confirmation modal.\n        modal.show();\n\n        const stringData = [\n            {\n                key: 'unenrol',\n                component: 'enrol',\n            },\n            {\n                key: 'unenrolconfirm',\n                component: 'enrol',\n                param: {\n                    user: container.dataset.fullname,\n                    course: container.dataset.coursename,\n                    enrolinstancename: container.dataset.enrolinstancename,\n                }\n            }\n        ];\n\n        return Promise.all([Str.get_strings(stringData), modal]);\n    })\n    .then(([strings, modal]) => {\n        modal.setTitle(strings[0]);\n        modal.setSaveButtonText(strings[0]);\n        modal.setBody(strings[1]);\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Show the user details dialogue.\n *\n * @param {HTMLElement} link\n */\nconst showStatusDetails = link => {\n    const container = getStatusContainer(link);\n\n    const context = {\n        editenrollink: '',\n        statusclass: container.querySelector('span.badge').getAttribute('class'),\n        ...container.dataset,\n    };\n\n    // Find the edit enrolment link.\n    const editEnrolLink = container.querySelector(Selectors.editEnrolment);\n    if (editEnrolLink) {\n        // If there's an edit enrolment link for this user, clone it into the context for the modal.\n        context.editenrollink = editEnrolLink.outerHTML;\n    }\n\n    ModalFactory.create({\n        large: true,\n        type: ModalFactory.types.CANCEL,\n        title: Str.get_string('enroldetails', 'enrol'),\n        body: Templates.render('core_user/status_details', context),\n    })\n    .then(modal => {\n        if (editEnrolLink) {\n            modal.getRoot().on('click', Selectors.editEnrolment, e => {\n                e.preventDefault();\n                modal.hide();\n\n                // Trigger click event for the edit enrolment link to show the edit enrolment modal.\n                editEnrolLink.click();\n            });\n        }\n\n        modal.show();\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => modal.destroy());\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Submit the edit dialogue.\n *\n * @param {HTMLElement} clickedLink\n * @param {Function} getBody\n * @param {Object} modal\n * @param {Number} userEnrolmentId\n * @param {Object} userData\n */\nconst submitEditFormAjax = (clickedLink, getBody, modal, userEnrolmentId, userData) => {\n    const form = modal.getRoot().find('form');\n\n    Repository.submitUserEnrolmentForm(form.serialize())\n    .then(data => {\n        if (!data.result) {\n            throw data.result;\n        }\n\n        // Dismiss the modal.\n        modal.hide();\n        modal.destroy();\n\n        return data;\n    })\n    .then(() => {\n        DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink))\n        .catch(Notification.exception);\n\n        return Str.get_string('enrolmentupdatedforuser', 'core_enrol', userData);\n    })\n    .then(notificationString => {\n        notifyUser(notificationString);\n\n        return;\n    })\n    .catch(() => {\n        modal.setBody(getBody(userEnrolmentId, JSON.stringify(form.serialize())));\n\n        return modal;\n    });\n};\n\n/**\n * Submit the unenrolment form.\n *\n * @param {HTMLElement} clickedLink\n * @param {Object} modal\n * @param {Object} args\n * @param {Object} userData\n */\nconst submitUnenrolFormAjax = (clickedLink, modal, args, userData) => {\n    Repository.unenrolUser(args.ueid)\n    .then(data => {\n        if (!data.result) {\n            // Display an alert containing the error message\n            Notification.alert(data.errors[0].key, data.errors[0].message);\n\n            return data;\n        }\n\n        // Dismiss the modal.\n        modal.hide();\n        modal.destroy();\n\n        return data;\n    })\n    .then(() => {\n        DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink))\n        .catch(Notification.exception);\n\n        return Str.get_string('unenrolleduser', 'core_enrol', userData);\n    })\n    .then(notificationString => {\n        notifyUser(notificationString);\n\n        return;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Get the body fragment.\n *\n * @param {Number} contextId\n * @param {Number} ueid The user enrolment id\n * @param {Object} formdata\n * @returns {Promise}\n */\nconst getBody = (contextId, ueid, formdata = null) => Fragment.loadFragment(\n    'enrol',\n    'user_enrolment_form',\n    contextId,\n    {\n        ueid,\n        formdata,\n    }\n);\n\n/**\n * Initialise the statu field handler.\n *\n * @param {Number} contextid\n * @param {Number} uniqueid\n */\nexport const init = ({contextid, uniqueid}) => {\n    registerEventListeners(contextid, uniqueid);\n};\n"],"file":"status_field.min.js"}
\ No newline at end of file

From 34638813f1f0583cdd44b883a6171d2b1fc494bd Mon Sep 17 00:00:00 2001
From: Andrew Nicols <andrew@nicols.co.uk>
Date: Fri, 18 Feb 2022 08:57:51 +0800
Subject: [PATCH 5/5] MDL-73915 js: Switch amd minification to terser

Unfortunately the babel minify-mangle plugin seems to be abandoned and
in certain circumstances can be very buggy. The only safe options are to
disable it, or to switch to a different minification library.

Not minifying our javascript is not ideal, so this commit updates the
javascript tasks to use a rollup, combined with babel, and terser.

Babel still converts code from ES/UMD/AMD to AMD modules with the
relevant browser support, whilst terser minifies the code.

The rollup bundler handles tracking and creation of sourcemaps, and
supports better parallelisation of the tasks.

Since the upgrade to Node LTS/Gallium requires an upgrade to @babel/core
and eslint, which change the built files anyway, this seems like the
ideal time to make this change.
---
 Gruntfile.js                                  | 169 ++++++++---
 .../tool/analytics/amd/build/log_info.min.js  |  14 +-
 .../analytics/amd/build/log_info.min.js.map   |   2 +-
 admin/tool/analytics/amd/build/model.min.js   |  12 +-
 .../tool/analytics/amd/build/model.min.js.map |   2 +-
 .../amd/build/potential-contexts.min.js       |  14 +-
 .../amd/build/potential-contexts.min.js.map   |   2 +-
 .../dataprivacy/amd/build/add_category.min.js |  13 +-
 .../amd/build/add_category.min.js.map         |   2 +-
 .../dataprivacy/amd/build/add_purpose.min.js  |  13 +-
 .../amd/build/add_purpose.min.js.map          |   2 +-
 .../amd/build/categoriesactions.min.js        |  13 +-
 .../amd/build/categoriesactions.min.js.map    |   2 +-
 .../amd/build/data_deletion.min.js            |  13 +-
 .../amd/build/data_deletion.min.js.map        |   2 +-
 .../amd/build/data_registry.min.js            |  13 +-
 .../amd/build/data_registry.min.js.map        |   2 +-
 .../amd/build/data_request_modal.min.js       |  13 +-
 .../amd/build/data_request_modal.min.js.map   |   2 +-
 .../amd/build/defaultsactions.min.js          |  13 +-
 .../amd/build/defaultsactions.min.js.map      |   2 +-
 .../build/effective_retention_period.min.js   |  13 +-
 .../effective_retention_period.min.js.map     |   2 +-
 .../tool/dataprivacy/amd/build/events.min.js  |  14 +-
 .../dataprivacy/amd/build/events.min.js.map   |   2 +-
 .../amd/build/expand_contract.min.js          |  14 +-
 .../amd/build/expand_contract.min.js.map      |   2 +-
 .../amd/build/form-user-selector.min.js       |  14 +-
 .../amd/build/form-user-selector.min.js.map   |   2 +-
 .../amd/build/myrequestactions.min.js         |  13 +-
 .../amd/build/myrequestactions.min.js.map     |   2 +-
 .../amd/build/purposesactions.min.js          |  13 +-
 .../amd/build/purposesactions.min.js.map      |   2 +-
 .../amd/build/request_filter.min.js           |  13 +-
 .../amd/build/request_filter.min.js.map       |   2 +-
 .../amd/build/requestactions.min.js           |  13 +-
 .../amd/build/requestactions.min.js.map       |   2 +-
 .../amd/build/delete_license.min.js           |  14 +-
 .../amd/build/delete_license.min.js.map       |   2 +-
 admin/tool/lp/amd/build/actionselector.min.js |  16 +-
 .../lp/amd/build/actionselector.min.js.map    |   2 +-
 admin/tool/lp/amd/build/competencies.min.js   |  13 +-
 .../tool/lp/amd/build/competencies.min.js.map |   2 +-
 .../lp/amd/build/competency_outcomes.min.js   |  12 +-
 .../amd/build/competency_outcomes.min.js.map  |   2 +-
 .../build/competency_plan_navigation.min.js   |  12 +-
 .../competency_plan_navigation.min.js.map     |   2 +-
 .../tool/lp/amd/build/competency_rule.min.js  |  12 +-
 .../lp/amd/build/competency_rule.min.js.map   |   2 +-
 .../lp/amd/build/competency_rule_all.min.js   |  12 +-
 .../amd/build/competency_rule_all.min.js.map  |   2 +-
 .../amd/build/competency_rule_points.min.js   |  12 +-
 .../build/competency_rule_points.min.js.map   |   2 +-
 .../lp/amd/build/competencyactions.min.js     |  13 +-
 .../lp/amd/build/competencyactions.min.js.map |   2 +-
 .../lp/amd/build/competencydialogue.min.js    |  13 +-
 .../amd/build/competencydialogue.min.js.map   |   2 +-
 .../tool/lp/amd/build/competencypicker.min.js |  16 +-
 .../lp/amd/build/competencypicker.min.js.map  |   2 +-
 .../build/competencypicker_user_plans.min.js  |  17 +-
 .../competencypicker_user_plans.min.js.map    |   2 +-
 .../lp/amd/build/competencyruleconfig.min.js  |  12 +-
 .../amd/build/competencyruleconfig.min.js.map |   2 +-
 admin/tool/lp/amd/build/competencytree.min.js |  13 +-
 .../lp/amd/build/competencytree.min.js.map    |   2 +-
 .../build/course_competency_settings.min.js   |  13 +-
 .../course_competency_settings.min.js.map     |   2 +-
 admin/tool/lp/amd/build/dialogue.min.js       |  14 +-
 admin/tool/lp/amd/build/dialogue.min.js.map   |   2 +-
 .../tool/lp/amd/build/dragdrop-reorder.min.js |  13 +-
 .../lp/amd/build/dragdrop-reorder.min.js.map  |   2 +-
 admin/tool/lp/amd/build/event_base.min.js     |  13 +-
 admin/tool/lp/amd/build/event_base.min.js.map |   2 +-
 .../tool/lp/amd/build/evidence_delete.min.js  |  12 +-
 .../lp/amd/build/evidence_delete.min.js.map   |   2 +-
 .../lp/amd/build/form-cohort-selector.min.js  |  14 +-
 .../amd/build/form-cohort-selector.min.js.map |   2 +-
 .../lp/amd/build/form-user-selector.min.js    |  14 +-
 .../amd/build/form-user-selector.min.js.map   |   2 +-
 .../amd/build/form_competency_element.min.js  |  13 +-
 .../build/form_competency_element.min.js.map  |   2 +-
 .../tool/lp/amd/build/frameworkactions.min.js |  13 +-
 .../lp/amd/build/frameworkactions.min.js.map  |   2 +-
 .../lp/amd/build/frameworks_datasource.min.js |  14 +-
 .../build/frameworks_datasource.min.js.map    |   2 +-
 admin/tool/lp/amd/build/grade_dialogue.min.js |  12 +-
 .../lp/amd/build/grade_dialogue.min.js.map    |   2 +-
 .../build/grade_user_competency_inline.min.js |  12 +-
 .../grade_user_competency_inline.min.js.map   |   2 +-
 admin/tool/lp/amd/build/menubar.min.js        |  14 +-
 admin/tool/lp/amd/build/menubar.min.js.map    |   2 +-
 .../lp/amd/build/module_navigation.min.js     |  12 +-
 .../lp/amd/build/module_navigation.min.js.map |   2 +-
 .../lp/amd/build/parentcompetency_form.min.js |  13 +-
 .../build/parentcompetency_form.min.js.map    |   2 +-
 admin/tool/lp/amd/build/planactions.min.js    |  13 +-
 .../tool/lp/amd/build/planactions.min.js.map  |   2 +-
 admin/tool/lp/amd/build/scaleconfig.min.js    |  13 +-
 .../tool/lp/amd/build/scaleconfig.min.js.map  |   2 +-
 admin/tool/lp/amd/build/scalevalues.min.js    |  12 +-
 .../tool/lp/amd/build/scalevalues.min.js.map  |   2 +-
 .../tool/lp/amd/build/templateactions.min.js  |  13 +-
 .../lp/amd/build/templateactions.min.js.map   |   2 +-
 admin/tool/lp/amd/build/tree.min.js           |  18 +-
 admin/tool/lp/amd/build/tree.min.js.map       |   2 +-
 .../user_competency_course_navigation.min.js  |  12 +-
 ...er_competency_course_navigation.min.js.map |   2 +-
 .../lp/amd/build/user_competency_info.min.js  |  12 +-
 .../amd/build/user_competency_info.min.js.map |   2 +-
 .../build/user_competency_plan_popup.min.js   |  12 +-
 .../user_competency_plan_popup.min.js.map     |   2 +-
 .../amd/build/user_competency_workflow.min.js |  13 +-
 .../build/user_competency_workflow.min.js.map |   2 +-
 .../lp/amd/build/user_evidence_actions.min.js |  13 +-
 .../build/user_evidence_actions.min.js.map    |   2 +-
 .../moodlenet/amd/build/instance_form.min.js  |  20 +-
 .../amd/build/instance_form.min.js.map        |   2 +-
 .../moodlenet/amd/build/select_page.min.js    |  13 +-
 .../amd/build/select_page.min.js.map          |   2 +-
 .../tool/moodlenet/amd/build/selectors.min.js |  13 +-
 .../moodlenet/amd/build/selectors.min.js.map  |   2 +-
 .../tool/moodlenet/amd/build/validator.min.js |  13 +-
 .../moodlenet/amd/build/validator.min.js.map  |   2 +-
 .../amd/build/acceptances_filter.min.js       |  13 +-
 .../amd/build/acceptances_filter.min.js.map   |   2 +-
 .../acceptances_filter_datasource.min.js      |  14 +-
 .../acceptances_filter_datasource.min.js.map  |   2 +-
 .../tool/policy/amd/build/acceptmodal.min.js  |  14 +-
 .../policy/amd/build/acceptmodal.min.js.map   |   2 +-
 .../build/jquery-eu-cookie-law-popup.min.js   |   5 +-
 .../jquery-eu-cookie-law-popup.min.js.map     |   2 +-
 .../policy/amd/build/managedocsactions.min.js |  13 +-
 .../amd/build/managedocsactions.min.js.map    |   2 +-
 .../policy/amd/build/policyactions.min.js     |  13 +-
 .../policy/amd/build/policyactions.min.js.map |   2 +-
 .../templatelibrary/amd/build/display.min.js  |  13 +-
 .../amd/build/display.min.js.map              |   2 +-
 .../templatelibrary/amd/build/search.min.js   |  13 +-
 .../amd/build/search.min.js.map               |   2 +-
 .../usertours/amd/build/managesteps.min.js    |   5 +-
 .../amd/build/managesteps.min.js.map          |   2 +-
 .../usertours/amd/build/managetours.min.js    |   5 +-
 .../amd/build/managetours.min.js.map          |   2 +-
 admin/tool/usertours/amd/build/tour.min.js    |   5 +-
 .../tool/usertours/amd/build/tour.min.js.map  |   2 +-
 .../tool/usertours/amd/build/usertours.min.js |   5 +-
 .../usertours/amd/build/usertours.min.js.map  |   2 +-
 admin/tool/xmldb/amd/build/move.min.js        |   5 +-
 admin/tool/xmldb/amd/build/move.min.js.map    |   2 +-
 backup/util/ui/amd/build/async_backup.min.js  |  15 +-
 .../util/ui/amd/build/async_backup.min.js.map |   2 +-
 badges/amd/build/backpackactions.min.js       |   5 +-
 badges/amd/build/backpackactions.min.js.map   |   2 +-
 badges/amd/build/selectors.min.js             |  14 +-
 badges/amd/build/selectors.min.js.map         |   2 +-
 blocks/myoverview/amd/build/main.min.js       |  12 +-
 blocks/myoverview/amd/build/main.min.js.map   |   2 +-
 blocks/myoverview/amd/build/repository.min.js |  12 +-
 .../amd/build/repository.min.js.map           |   2 +-
 blocks/myoverview/amd/build/selectors.min.js  |  12 +-
 .../myoverview/amd/build/selectors.min.js.map |   2 +-
 blocks/myoverview/amd/build/view.min.js       |  12 +-
 blocks/myoverview/amd/build/view.min.js.map   |   2 +-
 blocks/myoverview/amd/build/view_nav.min.js   |  12 +-
 .../myoverview/amd/build/view_nav.min.js.map  |   2 +-
 .../amd/build/ajax_response_renderer.min.js   |  14 +-
 .../build/ajax_response_renderer.min.js.map   |   2 +-
 blocks/navigation/amd/build/nav_loader.min.js |  13 +-
 .../amd/build/nav_loader.min.js.map           |   2 +-
 blocks/navigation/amd/build/navblock.min.js   |  13 +-
 .../navigation/amd/build/navblock.min.js.map  |   2 +-
 .../amd/build/site_admin_loader.min.js        |  13 +-
 .../amd/build/site_admin_loader.min.js.map    |   2 +-
 .../amd/build/change_user_visibility.min.js   |  14 +-
 .../build/change_user_visibility.min.js.map   |   2 +-
 .../amd/build/main.min.js                     |  13 +-
 .../amd/build/main.min.js.map                 |   2 +-
 .../amd/build/main.min.js                     |  13 +-
 .../amd/build/main.min.js.map                 |   2 +-
 .../amd/build/repository.min.js               |  13 +-
 .../amd/build/repository.min.js.map           |   2 +-
 .../settings/amd/build/settingsblock.min.js   |  13 +-
 .../amd/build/settingsblock.min.js.map        |   2 +-
 blocks/starredcourses/amd/build/main.min.js   |  11 +-
 .../starredcourses/amd/build/main.min.js.map  |   2 +-
 .../amd/build/repository.min.js               |  12 +-
 .../amd/build/repository.min.js.map           |   2 +-
 .../build/calendar_events_repository.min.js   |  12 +-
 .../calendar_events_repository.min.js.map     |   2 +-
 blocks/timeline/amd/build/event_list.min.js   |  14 +-
 .../timeline/amd/build/event_list.min.js.map  |   2 +-
 blocks/timeline/amd/build/main.min.js         |  11 +-
 blocks/timeline/amd/build/main.min.js.map     |   2 +-
 blocks/timeline/amd/build/view.min.js         |  12 +-
 blocks/timeline/amd/build/view.min.js.map     |   2 +-
 blocks/timeline/amd/build/view_courses.min.js |  12 +-
 .../amd/build/view_courses.min.js.map         |   2 +-
 blocks/timeline/amd/build/view_dates.min.js   |  12 +-
 .../timeline/amd/build/view_dates.min.js.map  |   2 +-
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 .../notification_area_control_area.min.js     |  14 +-
 .../notification_area_control_area.min.js.map |   2 +-
 .../amd/build/notification_area_events.min.js |  15 +-
 .../build/notification_area_events.min.js.map |   2 +-
 .../notification_popover_controller.min.js    |  16 +-
 ...notification_popover_controller.min.js.map |   2 +-
 .../amd/build/notification_repository.min.js  |  14 +-
 .../build/notification_repository.min.js.map  |   2 +-
 mod/assign/amd/build/grading_actions.min.js   |  15 +-
 .../amd/build/grading_actions.min.js.map      |   2 +-
 mod/assign/amd/build/grading_events.min.js    |  14 +-
 .../amd/build/grading_events.min.js.map       |   2 +-
 .../build/grading_form_change_checker.min.js  |  14 +-
 .../grading_form_change_checker.min.js.map    |   2 +-
 .../amd/build/grading_navigation.min.js       |  14 +-
 .../amd/build/grading_navigation.min.js.map   |   2 +-
 .../build/grading_navigation_user_info.min.js |  15 +-
 .../grading_navigation_user_info.min.js.map   |   2 +-
 mod/assign/amd/build/grading_panel.min.js     |  15 +-
 mod/assign/amd/build/grading_panel.min.js.map |   2 +-
 .../amd/build/grading_review_panel.min.js     |  15 +-
 .../amd/build/grading_review_panel.min.js.map |   2 +-
 mod/assign/amd/build/override_form.min.js     |  11 +-
 mod/assign/amd/build/override_form.min.js.map |   2 +-
 .../amd/build/participant_selector.min.js     |  12 +-
 .../amd/build/participant_selector.min.js.map |   2 +-
 mod/feedback/amd/build/edit.min.js            |   5 +-
 mod/feedback/amd/build/edit.min.js.map        |   2 +-
 mod/forum/amd/build/discussion.min.js         |  13 +-
 mod/forum/amd/build/discussion.min.js.map     |   2 +-
 mod/forum/amd/build/discussion_list.min.js    |  13 +-
 .../amd/build/discussion_list.min.js.map      |   2 +-
 .../amd/build/discussion_nested_v2.min.js     |   5 +-
 .../amd/build/discussion_nested_v2.min.js.map |   2 +-
 mod/forum/amd/build/favourite_toggle.min.js   |  14 +-
 .../amd/build/favourite_toggle.min.js.map     |   2 +-
 mod/forum/amd/build/form-user-selector.min.js |  14 +-
 .../amd/build/form-user-selector.min.js.map   |   2 +-
 mod/forum/amd/build/forum_events.min.js       |  13 +-
 mod/forum/amd/build/forum_events.min.js.map   |   2 +-
 .../build/grades/expandconversation.min.js    |   5 +-
 .../grades/expandconversation.min.js.map      |   2 +-
 mod/forum/amd/build/grades/grader.min.js      |   5 +-
 mod/forum/amd/build/grades/grader.min.js.map  |   2 +-
 .../amd/build/grades/grader/selectors.min.js  |   5 +-
 .../build/grades/grader/selectors.min.js.map  |   2 +-
 mod/forum/amd/build/inpage_reply.min.js       |  13 +-
 mod/forum/amd/build/inpage_reply.min.js.map   |   2 +-
 .../amd/build/local/grades/grader.min.js      |   5 +-
 .../amd/build/local/grades/grader.min.js.map  |   2 +-
 .../grades/local/grader/gradingpanel.min.js   |  14 +-
 .../local/grader/gradingpanel.min.js.map      |   2 +-
 .../grades/local/grader/selectors.min.js      |  14 +-
 .../grades/local/grader/selectors.min.js.map  |   2 +-
 .../grades/local/grader/user_picker.min.js    |   5 +-
 .../local/grader/user_picker.min.js.map       |   2 +-
 .../local/grader/user_picker/selectors.min.js |   5 +-
 .../grader/user_picker/selectors.min.js.map   |   2 +-
 .../amd/build/local/layout/fullscreen.min.js  |  11 +-
 .../build/local/layout/fullscreen.min.js.map  |   2 +-
 mod/forum/amd/build/local/layouts.min.js      |   5 +-
 mod/forum/amd/build/local/layouts.min.js.map  |   2 +-
 mod/forum/amd/build/lock_toggle.min.js        |  13 +-
 mod/forum/amd/build/lock_toggle.min.js.map    |   2 +-
 mod/forum/amd/build/pin_toggle.min.js         |  17 +-
 mod/forum/amd/build/pin_toggle.min.js.map     |   2 +-
 mod/forum/amd/build/posts_list.min.js         |  17 +-
 mod/forum/amd/build/posts_list.min.js.map     |   2 +-
 mod/forum/amd/build/repository.min.js         |  14 +-
 mod/forum/amd/build/repository.min.js.map     |   2 +-
 mod/forum/amd/build/selectors.min.js          |  13 +-
 mod/forum/amd/build/selectors.min.js.map      |   2 +-
 .../amd/build/subscription_toggle.min.js      |  14 +-
 .../amd/build/subscription_toggle.min.js.map  |   2 +-
 .../report/summary/amd/build/filters.min.js   |  13 +-
 .../summary/amd/build/filters.min.js.map      |   2 +-
 .../report/summary/amd/build/selectors.min.js |   5 +-
 .../summary/amd/build/selectors.min.js.map    |   2 +-
 .../build/cartridge_registration_form.min.js  |  18 +-
 .../cartridge_registration_form.min.js.map    |   2 +-
 mod/lti/amd/build/contentitem.min.js          |  18 +-
 mod/lti/amd/build/contentitem.min.js.map      |   2 +-
 mod/lti/amd/build/contentitem_return.min.js   |  15 +-
 .../amd/build/contentitem_return.min.js.map   |   2 +-
 mod/lti/amd/build/events.min.js               |  16 +-
 mod/lti/amd/build/events.min.js.map           |   2 +-
 .../amd/build/external_registration.min.js    |  21 +-
 .../build/external_registration.min.js.map    |   2 +-
 .../build/external_registration_return.min.js |  18 +-
 .../external_registration_return.min.js.map   |   2 +-
 mod/lti/amd/build/form-field.min.js           |  15 +-
 mod/lti/amd/build/form-field.min.js.map       |   2 +-
 mod/lti/amd/build/keys.min.js                 |  15 +-
 mod/lti/amd/build/keys.min.js.map             |   2 +-
 mod/lti/amd/build/tool_card_controller.min.js |  18 +-
 .../amd/build/tool_card_controller.min.js.map |   2 +-
 .../build/tool_configure_controller.min.js    |  17 +-
 .../tool_configure_controller.min.js.map      |   2 +-
 mod/lti/amd/build/tool_proxy.min.js           |  15 +-
 mod/lti/amd/build/tool_proxy.min.js.map       |   2 +-
 .../build/tool_proxy_card_controller.min.js   |  18 +-
 .../tool_proxy_card_controller.min.js.map     |   2 +-
 mod/lti/amd/build/tool_type.min.js            |  15 +-
 mod/lti/amd/build/tool_type.min.js.map        |   2 +-
 .../seb/amd/build/managetemplates.min.js      |   5 +-
 .../seb/amd/build/managetemplates.min.js.map  |   2 +-
 .../build/add_question_modal_launcher.min.js  |  13 +-
 .../add_question_modal_launcher.min.js.map    |   2 +-
 mod/quiz/amd/build/add_random_form.min.js     |  13 +-
 mod/quiz/amd/build/add_random_form.min.js.map |   2 +-
 mod/quiz/amd/build/add_random_question.min.js |  13 +-
 .../amd/build/add_random_question.min.js.map  |   2 +-
 .../build/modal_add_random_question.min.js    |  13 +-
 .../modal_add_random_question.min.js.map      |   2 +-
 .../amd/build/modal_quiz_question_bank.min.js |  13 +-
 .../build/modal_quiz_question_bank.min.js.map |   2 +-
 mod/quiz/amd/build/preflightcheck.min.js      |  18 +-
 mod/quiz/amd/build/preflightcheck.min.js.map  |   2 +-
 mod/quiz/amd/build/quizquestionbank.min.js    |  13 +-
 .../amd/build/quizquestionbank.min.js.map     |   2 +-
 .../build/random_question_form_preview.min.js |  14 +-
 .../random_question_form_preview.min.js.map   |   2 +-
 mod/quiz/amd/build/repaginate.min.js          |  13 +-
 mod/quiz/amd/build/repaginate.min.js.map      |   2 +-
 mod/survey/amd/build/validation.min.js        |  14 +-
 mod/survey/amd/build/validation.min.js.map    |   2 +-
 mod/workshop/amd/build/modform.min.js         |  12 +-
 mod/workshop/amd/build/modform.min.js.map     |   2 +-
 mod/workshop/amd/build/workshopview.min.js    |  13 +-
 .../amd/build/workshopview.min.js.map         |   2 +-
 npm-shrinkwrap.json                           | 280 +++++++++++++++++-
 package.json                                  |   2 +
 question/amd/build/edit_tags.min.js           |  12 +-
 question/amd/build/edit_tags.min.js.map       |   2 +-
 question/amd/build/repository.min.js          |  14 +-
 question/amd/build/repository.min.js.map      |   2 +-
 question/amd/build/selectors.min.js           |  13 +-
 question/amd/build/selectors.min.js.map       |   2 +-
 .../type/ddimageortext/amd/build/form.min.js  |  13 +-
 .../ddimageortext/amd/build/form.min.js.map   |   2 +-
 .../ddimageortext/amd/build/question.min.js   |  13 +-
 .../amd/build/question.min.js.map             |   2 +-
 question/type/ddmarker/amd/build/form.min.js  |  13 +-
 .../type/ddmarker/amd/build/form.min.js.map   |   2 +-
 .../type/ddmarker/amd/build/question.min.js   |  13 +-
 .../ddmarker/amd/build/question.min.js.map    |   2 +-
 .../type/ddmarker/amd/build/shapes.min.js     |  16 +-
 .../type/ddmarker/amd/build/shapes.min.js.map |   2 +-
 question/type/ddwtos/amd/build/ddwtos.min.js  |  30 +-
 .../type/ddwtos/amd/build/ddwtos.min.js.map   |   2 +-
 .../type/multichoice/amd/build/answers.min.js |  14 +-
 .../multichoice/amd/build/answers.min.js.map  |   2 +-
 .../multichoice/amd/build/clearchoice.min.js  |  13 +-
 .../amd/build/clearchoice.min.js.map          |   2 +-
 .../competency/amd/build/grading_popup.min.js |  12 +-
 .../amd/build/grading_popup.min.js.map        |   2 +-
 .../amd/build/user_course_navigation.min.js   |  12 +-
 .../build/user_course_navigation.min.js.map   |   2 +-
 report/insights/amd/build/actions.min.js      |  12 +-
 report/insights/amd/build/actions.min.js.map  |   2 +-
 .../insights/amd/build/message_users.min.js   |  13 +-
 .../amd/build/message_users.min.js.map        |   2 +-
 .../amd/build/participants.min.js             |  14 +-
 .../amd/build/participants.min.js.map         |   2 +-
 .../amd/build/completion_override.min.js      |  14 +-
 .../amd/build/completion_override.min.js.map  |   2 +-
 .../build/form-search-user-selector.min.js    |  14 +-
 .../form-search-user-selector.min.js.map      |   2 +-
 theme/boost/amd/build/aria.min.js             |  12 +-
 theme/boost/amd/build/aria.min.js.map         |   2 +-
 theme/boost/amd/build/bootstrap/alert.min.js  |   5 +-
 .../amd/build/bootstrap/alert.min.js.map      |   2 +-
 theme/boost/amd/build/bootstrap/button.min.js |   5 +-
 .../amd/build/bootstrap/button.min.js.map     |   2 +-
 .../boost/amd/build/bootstrap/carousel.min.js |   5 +-
 .../amd/build/bootstrap/carousel.min.js.map   |   2 +-
 .../boost/amd/build/bootstrap/collapse.min.js |   5 +-
 .../amd/build/bootstrap/collapse.min.js.map   |   2 +-
 .../boost/amd/build/bootstrap/dropdown.min.js |   5 +-
 .../amd/build/bootstrap/dropdown.min.js.map   |   2 +-
 theme/boost/amd/build/bootstrap/index.min.js  |   5 +-
 .../amd/build/bootstrap/index.min.js.map      |   2 +-
 theme/boost/amd/build/bootstrap/modal.min.js  |   5 +-
 .../amd/build/bootstrap/modal.min.js.map      |   2 +-
 .../boost/amd/build/bootstrap/popover.min.js  |   5 +-
 .../amd/build/bootstrap/popover.min.js.map    |   2 +-
 .../amd/build/bootstrap/scrollspy.min.js      |   5 +-
 .../amd/build/bootstrap/scrollspy.min.js.map  |   2 +-
 theme/boost/amd/build/bootstrap/tab.min.js    |   5 +-
 .../boost/amd/build/bootstrap/tab.min.js.map  |   2 +-
 theme/boost/amd/build/bootstrap/toast.min.js  |   5 +-
 .../amd/build/bootstrap/toast.min.js.map      |   2 +-
 .../build/bootstrap/tools/sanitizer.min.js    |   5 +-
 .../bootstrap/tools/sanitizer.min.js.map      |   2 +-
 .../boost/amd/build/bootstrap/tooltip.min.js  |   5 +-
 .../amd/build/bootstrap/tooltip.min.js.map    |   2 +-
 theme/boost/amd/build/bootstrap/util.min.js   |   5 +-
 .../boost/amd/build/bootstrap/util.min.js.map |   2 +-
 theme/boost/amd/build/drawer.min.js           |  12 +-
 theme/boost/amd/build/drawer.min.js.map       |   2 +-
 .../amd/build/form-display-errors.min.js      |  13 +-
 .../amd/build/form-display-errors.min.js.map  |   2 +-
 theme/boost/amd/build/loader.min.js           |  15 +-
 theme/boost/amd/build/loader.min.js.map       |   2 +-
 theme/boost/amd/build/pending.min.js          |   5 +-
 theme/boost/amd/build/pending.min.js.map      |   2 +-
 theme/boost/amd/build/popover.min.js          |   5 +-
 theme/boost/amd/build/popover.min.js.map      |   2 +-
 theme/boost/amd/build/scroll.min.js           |  12 +-
 theme/boost/amd/build/scroll.min.js.map       |   2 +-
 theme/boost/amd/build/toast.min.js            |   5 +-
 theme/boost/amd/build/toast.min.js.map        |   2 +-
 .../local/participants/bulkactions.min.js     |  13 +-
 .../local/participants/bulkactions.min.js.map |   2 +-
 .../local/participantsfilter/filter.min.js    |   5 +-
 .../participantsfilter/filter.min.js.map      |   2 +-
 .../filtertypes/courseid.min.js               |   5 +-
 .../filtertypes/courseid.min.js.map           |   2 +-
 .../filtertypes/keyword.min.js                |   5 +-
 .../filtertypes/keyword.min.js.map            |   2 +-
 .../local/participantsfilter/selectors.min.js |  14 +-
 .../participantsfilter/selectors.min.js.map   |   2 +-
 user/amd/build/participants.min.js            |   5 +-
 user/amd/build/participants.min.js.map        |   2 +-
 user/amd/build/participantsfilter.min.js      |   5 +-
 user/amd/build/participantsfilter.min.js.map  |   2 +-
 user/amd/build/repository.min.js              |   5 +-
 user/amd/build/repository.min.js.map          |   2 +-
 user/amd/build/status_field.min.js            |   5 +-
 user/amd/build/status_field.min.js.map        |   2 +-
 user/amd/build/unified_filter.min.js          |  14 +-
 user/amd/build/unified_filter.min.js.map      |   2 +-
 .../build/unified_filter_datasource.min.js    |  15 +-
 .../unified_filter_datasource.min.js.map      |   2 +-
 797 files changed, 4927 insertions(+), 1243 deletions(-)

diff --git a/Gruntfile.js b/Gruntfile.js
index 58b1de74de4..a9b7120edf8 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -285,6 +285,71 @@ module.exports = function(grunt) {
         return ['**/tests/behat/*.feature'];
     };
 
+    const babelTransform = require('@babel/core').transform;
+    const babel = (options = {}) => {
+        return {
+            name: 'babel',
+
+            transform: (code, id) => {
+                grunt.log.debug(`Transforming ${id}`);
+                options.filename = id;
+                const transformed = babelTransform(code, options);
+
+                return {
+                    code: transformed.code,
+                    map: transformed.map
+                };
+            }
+        };
+    };
+
+    // Note: We have to use a rate limit plugin here because rollup runs all tasks asynchronously and in parallel.
+    // When we kick off a full run, if we kick off a rollup of every file this will fork-bomb the machine.
+    // To work around this we use a concurrent Promise queue based on the number of available processors.
+    const rateLimit = () => {
+        const queue = [];
+        let queueRunner;
+
+        const startQueue = () => {
+            if (queueRunner) {
+                return;
+            }
+
+            queueRunner = setTimeout(() => {
+                const limit = Math.max(1, require('os').cpus().length / 2);
+                grunt.log.debug(`Starting rollup with queue size of ${limit}`);
+                runQueue(limit);
+            }, 100);
+        };
+
+        // The queue runner will run the next `size` items in the queue.
+        const runQueue = (size = 1) => {
+            queue.splice(0, size).forEach(resolve => {
+                resolve();
+            });
+        };
+
+        return {
+            name: 'ratelimit',
+
+            // The options hook is run in parallel.
+            // We can return an unresolved Promise which is queued for later resolution.
+            options: async() => {
+                return new Promise(resolve => {
+                    queue.push(resolve);
+                    startQueue();
+                });
+            },
+
+            // When an item in the queue completes, start the next item in the queue.
+            buildEnd: () => {
+                runQueue();
+            },
+        };
+    };
+
+    const terser = require('rollup-plugin-terser').terser;
+
     // Project configuration.
     grunt.initConfig({
         eslint: {
@@ -301,55 +366,66 @@ module.exports = function(grunt) {
             // Check YUI module source files.
             yui: {src: files ? files : yuiSrc},
         },
-        babel: {
-            options: {
-                sourceMaps: true,
-                comments: false,
-                plugins: [
-                    'transform-es2015-modules-amd-lazy',
-                    'system-import-transformer',
-                    // This plugin modifies the Babel transpiling for "export default"
-                    // so that if it's used then only the exported value is returned
-                    // by the generated AMD module.
-                    //
-                    // It also adds the Moodle plugin name to the AMD module definition
-                    // so that it can be imported as expected in other modules.
-                    path.resolve('babel-plugin-add-module-to-define.js'),
-                    '@babel/plugin-syntax-dynamic-import',
-                    '@babel/plugin-syntax-import-meta',
-                    ['@babel/plugin-proposal-class-properties', {'loose': false}],
-                    '@babel/plugin-proposal-json-strings'
-                ],
-                presets: [
-                    ['minify', {
-                        // This minification plugin needs to be disabled because it breaks the
-                        // source map generation and causes invalid source maps to be output.
-                        simplify: false,
-                        builtIns: false
-                    }],
-                    ['@babel/preset-env', {
-                        targets: {
-                            browsers: [
-                                ">0.25%",
-                                "last 2 versions",
-                                "not ie <= 10",
-                                "not op_mini all",
-                                "not Opera > 0",
-                                "not dead"
-                            ]
-                        },
-                        modules: false,
-                        useBuiltIns: false
-                    }]
-                ]
-            },
+        rollup: {
             dist: {
+                options: {
+                    format: 'esm',
+                    dir: 'output',
+                    sourcemap: true,
+                    treeshake: false,
+                    context: 'window',
+                    plugins: [
+                        rateLimit({initialDelay: 0}),
+                        babel({
+                            sourceMaps: true,
+                            comments: false,
+                            compact: false,
+                            plugins: [
+                                'transform-es2015-modules-amd-lazy',
+                                'system-import-transformer',
+                                // This plugin modifies the Babel transpiling for "export default"
+                                // so that if it's used then only the exported value is returned
+                                // by the generated AMD module.
+                                //
+                                // It also adds the Moodle plugin name to the AMD module definition
+                                // so that it can be imported as expected in other modules.
+                                path.resolve('babel-plugin-add-module-to-define.js'),
+                                '@babel/plugin-syntax-dynamic-import',
+                                '@babel/plugin-syntax-import-meta',
+                                ['@babel/plugin-proposal-class-properties', {'loose': false}],
+                                '@babel/plugin-proposal-json-strings'
+                            ],
+                            presets: [
+                                ['@babel/preset-env', {
+                                    targets: {
+                                        browsers: [
+                                            ">0.25%",
+                                            "last 2 versions",
+                                            "not ie <= 10",
+                                            "not op_mini all",
+                                            "not Opera > 0",
+                                            "not dead"
+                                        ]
+                                    },
+                                    modules: false,
+                                    useBuiltIns: false
+                                }]
+                            ]
+                        }),
+
+                        terser({
+                            // Do not mangle variables.
+                            // Makes debugging easier.
+                            mangle: false,
+                        }),
+                    ],
+                },
                 files: [{
                     expand: true,
                     src: files ? files : amdSrc,
                     rename: babelRename
-                }]
-            }
+                }],
+            },
         },
         sass: {
             dist: {
@@ -834,7 +910,8 @@ module.exports = function(grunt) {
     grunt.loadNpmTasks('grunt-sass');
     grunt.loadNpmTasks('grunt-eslint');
     grunt.loadNpmTasks('grunt-stylelint');
-    grunt.loadNpmTasks('grunt-babel');
+    grunt.loadNpmTasks('grunt-rollup');
+
 
     // Rename the grunt-contrib-watch "watch" task because we're going to wrap it.
     grunt.renameTask('watch', 'watch-grunt');
@@ -845,7 +922,7 @@ module.exports = function(grunt) {
     grunt.registerTask('ignorefiles', 'Generate ignore files for linters', tasks.ignorefiles);
     grunt.registerTask('watch', 'Run tasks on file changes', tasks.watch);
     grunt.registerTask('yui', ['eslint:yui', 'shifter']);
-    grunt.registerTask('amd', ['eslint:amd', 'babel']);
+    grunt.registerTask('amd', ['eslint:amd', 'rollup']);
     grunt.registerTask('js', ['amd', 'yui']);
 
     // Register CSS tasks.
diff --git a/admin/tool/analytics/amd/build/log_info.min.js b/admin/tool/analytics/amd/build/log_info.min.js
index 9b48cc9f4e7..3d86850b969 100644
--- a/admin/tool/analytics/amd/build/log_info.min.js
+++ b/admin/tool/analytics/amd/build/log_info.min.js
@@ -1,2 +1,12 @@
-define ("tool_analytics/log_info",["jquery","core/str","core/modal_factory","core/notification"],function(a,b,c,d){return{loadInfo:function loadInfo(e,f){var g=a("[data-model-log-id=\""+e+"\"]");b.get_string("loginfo","tool_analytics").then(function(b){var d=a("<ul>");f.forEach(function(a){d.append("<li>"+a+"</li>")});d.append("</ul>");return c.create({title:b,body:d.html(),large:!0},g)}).catch(d.exception)}}});
-//# sourceMappingURL=log_info.min.js.map
+/**
+ * Shows a dialogue with info about this logs.
+ *
+ * @module     tool_analytics/log_info
+ * @class      log_info
+ * @package    tool_analytics
+ * @copyright  2017 David Monllao {@link http://www.davidmonllao.com}
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_analytics/log_info",["jquery","core/str","core/modal_factory","core/notification"],(function($,str,ModalFactory,Notification){return{loadInfo:function(id,info){var link=$('[data-model-log-id="'+id+'"]');str.get_string("loginfo","tool_analytics").then((function(langString){var bodyInfo=$("<ul>");return info.forEach((function(item){bodyInfo.append("<li>"+item+"</li>")})),bodyInfo.append("</ul>"),ModalFactory.create({title:langString,body:bodyInfo.html(),large:!0},link)})).catch(Notification.exception)}}}));
+
+//# sourceMappingURL=log_info.min.js.map
\ No newline at end of file
diff --git a/admin/tool/analytics/amd/build/log_info.min.js.map b/admin/tool/analytics/amd/build/log_info.min.js.map
index 643ee195028..4d3717851a3 100644
--- a/admin/tool/analytics/amd/build/log_info.min.js.map
+++ b/admin/tool/analytics/amd/build/log_info.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/log_info.js"],"names":["define","$","str","ModalFactory","Notification","loadInfo","id","info","link","get_string","then","langString","bodyInfo","forEach","item","append","create","title","body","html","large","catch","exception"],"mappings":"AAwBAA,OAAM,2BAAC,CAAC,QAAD,CAAW,UAAX,CAAuB,oBAAvB,CAA6C,mBAA7C,CAAD,CAAoE,SAASC,CAAT,CAAYC,CAAZ,CAAiBC,CAAjB,CAA+BC,CAA/B,CAA6C,CAEnH,MAAoD,CAShDC,QAAQ,CAAE,kBAASC,CAAT,CAAaC,CAAb,CAAmB,CAEzB,GAAIC,CAAAA,CAAI,CAAGP,CAAC,CAAC,wBAAyBK,CAAzB,CAA8B,KAA/B,CAAZ,CACAJ,CAAG,CAACO,UAAJ,CAAe,SAAf,CAA0B,gBAA1B,EAA4CC,IAA5C,CAAiD,SAASC,CAAT,CAAqB,CAElE,GAAIC,CAAAA,CAAQ,CAAGX,CAAC,CAAC,MAAD,CAAhB,CACAM,CAAI,CAACM,OAAL,CAAa,SAASC,CAAT,CAAe,CACxBF,CAAQ,CAACG,MAAT,CAAgB,OAASD,CAAT,CAAgB,OAAhC,CACH,CAFD,EAGAF,CAAQ,CAACG,MAAT,CAAgB,OAAhB,EAEA,MAAOZ,CAAAA,CAAY,CAACa,MAAb,CAAoB,CACvBC,KAAK,CAAEN,CADgB,CAEvBO,IAAI,CAAEN,CAAQ,CAACO,IAAT,EAFiB,CAGvBC,KAAK,GAHkB,CAApB,CAIJZ,CAJI,CAMV,CAdD,EAcGa,KAdH,CAcSjB,CAAY,CAACkB,SAdtB,CAeH,CA3B+C,CA6BvD,CA/BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Shows a dialogue with info about this logs.\n *\n * @module     tool_analytics/log_info\n * @class      log_info\n * @package    tool_analytics\n * @copyright  2017 David Monllao {@link http://www.davidmonllao.com}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/modal_factory', 'core/notification'], function($, str, ModalFactory, Notification) {\n\n    return /** @alias module:tool_analytics/log_info */ {\n\n        /**\n         * Prepares a modal info for a log's results.\n         *\n         * @method loadInfo\n         * @param {int} id\n         * @param {string[]} info\n         */\n        loadInfo: function(id, info) {\n\n            var link = $('[data-model-log-id=\"' + id + '\"]');\n            str.get_string('loginfo', 'tool_analytics').then(function(langString) {\n\n                var bodyInfo = $(\"<ul>\");\n                info.forEach(function(item) {\n                    bodyInfo.append('<li>' + item + '</li>');\n                });\n                bodyInfo.append(\"</ul>\");\n\n                return ModalFactory.create({\n                    title: langString,\n                    body: bodyInfo.html(),\n                    large: true,\n                }, link);\n\n            }).catch(Notification.exception);\n        }\n    };\n});\n"],"file":"log_info.min.js"}
\ No newline at end of file
+{"version":3,"file":"log_info.min.js","sources":["../src/log_info.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Shows a dialogue with info about this logs.\n *\n * @module     tool_analytics/log_info\n * @class      log_info\n * @package    tool_analytics\n * @copyright  2017 David Monllao {@link http://www.davidmonllao.com}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/modal_factory', 'core/notification'], function($, str, ModalFactory, Notification) {\n\n    return /** @alias module:tool_analytics/log_info */ {\n\n        /**\n         * Prepares a modal info for a log's results.\n         *\n         * @method loadInfo\n         * @param {int} id\n         * @param {string[]} info\n         */\n        loadInfo: function(id, info) {\n\n            var link = $('[data-model-log-id=\"' + id + '\"]');\n            str.get_string('loginfo', 'tool_analytics').then(function(langString) {\n\n                var bodyInfo = $(\"<ul>\");\n                info.forEach(function(item) {\n                    bodyInfo.append('<li>' + item + '</li>');\n                });\n                bodyInfo.append(\"</ul>\");\n\n                return ModalFactory.create({\n                    title: langString,\n                    body: bodyInfo.html(),\n                    large: true,\n                }, link);\n\n            }).catch(Notification.exception);\n        }\n    };\n});\n"],"names":["define","$","str","ModalFactory","Notification","loadInfo","id","info","link","get_string","then","langString","bodyInfo","forEach","item","append","create","title","body","html","large","catch","exception"],"mappings":";;;;;;;;;AAwBAA,iCAAO,CAAC,SAAU,WAAY,qBAAsB,sBAAsB,SAASC,EAAGC,IAAKC,aAAcC,oBAEjD,CAShDC,SAAU,SAASC,GAAIC,UAEfC,KAAOP,EAAE,uBAAyBK,GAAK,MAC3CJ,IAAIO,WAAW,UAAW,kBAAkBC,MAAK,SAASC,gBAElDC,SAAWX,EAAE,eACjBM,KAAKM,SAAQ,SAASC,MAClBF,SAASG,OAAO,OAASD,KAAO,YAEpCF,SAASG,OAAO,SAETZ,aAAaa,OAAO,CACvBC,MAAON,WACPO,KAAMN,SAASO,OACfC,OAAO,GACRZ,SAEJa,MAAMjB,aAAakB"}
\ No newline at end of file
diff --git a/admin/tool/analytics/amd/build/model.min.js b/admin/tool/analytics/amd/build/model.min.js
index 05c30735ae0..6c8812c6022 100644
--- a/admin/tool/analytics/amd/build/model.min.js
+++ b/admin/tool/analytics/amd/build/model.min.js
@@ -1,2 +1,10 @@
-define ("tool_analytics/model",["jquery","core/str","core/log","core/notification","core/modal_factory","core/modal_events","core/templates"],function(b,c,d,e,f,g,h){var i={clear:{title:{key:"clearpredictions",component:"tool_analytics"},body:{key:"clearmodelpredictions",component:"tool_analytics"}},delete:{title:{key:"delete",component:"tool_analytics"},body:{key:"deletemodelconfirmation",component:"tool_analytics"}}},j=function(a){var c=b(a).closest("[data-model-name]");if(c.length){return c.attr("data-model-name")}else{d.error("Unexpected DOM error - unable to obtain the model name");return""}};return{confirmAction:function confirmAction(a,h){b("[data-action-id=\""+a+"\"]").on("click",function(k){k.preventDefault();var l=b(k.currentTarget);if("undefined"==typeof i[h]){d.error("Action \""+h+"\" is not allowed.");return}var a=[i[h].title,i[h].body];a[1].param=j(l);var m=c.get_strings(a),n=f.create({type:f.types.SAVE_CANCEL});b.when(m,n).then(function(a,b){b.setTitle(a[0]);b.setBody(a[1]);b.setSaveButtonText(a[0]);b.getRoot().on(g.save,function(){window.location.href=l.attr("href")});b.show();return b}).fail(e.exception)})},selectEvaluationOptions:function selectEvaluationOptions(a,d){b("[data-action-id=\""+a+"\"]").on("click",function(i){i.preventDefault();var j=b(i.currentTarget),a=b(this).attr("data-timesplitting-methods"),k=c.get_strings([{key:"evaluatemodel",component:"tool_analytics"},{key:"evaluate",component:"tool_analytics"}]),l=f.create({type:f.types.SAVE_CANCEL}),m=h.render("tool_analytics/evaluation_options",{trainedexternally:d,timesplittingmethods:JSON.parse(a)});b.when(k,l).then(function(a,c){c.getRoot().on(g.hidden,c.destroy.bind(c));c.setTitle(a[0]);c.setSaveButtonText(a[1]);c.setBody(m);c.getRoot().on(g.save,function(){var a=b("input[name='evaluationmode']:checked").val();if("trainedmodel"==a){j.attr("href",j.attr("href")+"&mode=trainedmodel")}var c=b("#id-evaluation-timesplitting").val();j.attr("href",j.attr("href")+"&timesplitting="+c);window.location.href=j.attr("href")});c.show();return c}).fail(e.exception)})},selectExportOptions:function selectExportOptions(a,d){b("[data-action-id=\""+a+"\"]").on("click",function(i){i.preventDefault();var j=b(i.currentTarget);if(!d){j.attr("href",j.attr("href")+"&action=exportmodel&includeweights=0");window.location.href=j.attr("href");return}var a=c.get_strings([{key:"export",component:"tool_analytics"}]),k=f.create({type:f.types.SAVE_CANCEL}),l=h.render("tool_analytics/export_options",{});b.when(a,k).then(function(a,c){c.getRoot().on(g.hidden,c.destroy.bind(c));c.setTitle(a[0]);c.setSaveButtonText(a[0]);c.setBody(l);c.getRoot().on(g.save,function(){var a=b("input[name='exportoption']:checked").val();if("exportdata"==a){j.attr("href",j.attr("href")+"&action=exportdata")}else{j.attr("href",j.attr("href")+"&action=exportmodel");if(b("#id-includeweights").is(":checked")){j.attr("href",j.attr("href")+"&includeweights=1")}else{j.attr("href",j.attr("href")+"&includeweights=0")}}window.location.href=j.attr("href")});c.show();return c}).fail(e.exception)})}}});
-//# sourceMappingURL=model.min.js.map
+/**
+ * AMD module for model actions confirmation.
+ *
+ * @module     tool_analytics/model
+ * @copyright  2017 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_analytics/model",["jquery","core/str","core/log","core/notification","core/modal_factory","core/modal_events","core/templates"],(function($,Str,log,Notification,ModalFactory,ModalEvents,Templates){var actionsList={clear:{title:{key:"clearpredictions",component:"tool_analytics"},body:{key:"clearmodelpredictions",component:"tool_analytics"}},delete:{title:{key:"delete",component:"tool_analytics"},body:{key:"deletemodelconfirmation",component:"tool_analytics"}}};return{confirmAction:function(actionId,actionType){$('[data-action-id="'+actionId+'"]').on("click",(function(ev){ev.preventDefault();var a=$(ev.currentTarget);if(void 0!==actionsList[actionType]){var wrap,reqStrings=[actionsList[actionType].title,actionsList[actionType].body];reqStrings[1].param=(wrap=$(a).closest("[data-model-name]")).length?wrap.attr("data-model-name"):(log.error("Unexpected DOM error - unable to obtain the model name"),"");var stringsPromise=Str.get_strings(reqStrings),modalPromise=ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL});$.when(stringsPromise,modalPromise).then((function(strings,modal){return modal.setTitle(strings[0]),modal.setBody(strings[1]),modal.setSaveButtonText(strings[0]),modal.getRoot().on(ModalEvents.save,(function(){window.location.href=a.attr("href")})),modal.show(),modal})).fail(Notification.exception)}else log.error('Action "'+actionType+'" is not allowed.')}))},selectEvaluationOptions:function(actionId,trainedOnlyExternally){$('[data-action-id="'+actionId+'"]').on("click",(function(ev){ev.preventDefault();var a=$(ev.currentTarget),timeSplittingMethods=$(this).attr("data-timesplitting-methods"),stringsPromise=Str.get_strings([{key:"evaluatemodel",component:"tool_analytics"},{key:"evaluate",component:"tool_analytics"}]),modalPromise=ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL}),bodyPromise=Templates.render("tool_analytics/evaluation_options",{trainedexternally:trainedOnlyExternally,timesplittingmethods:JSON.parse(timeSplittingMethods)});$.when(stringsPromise,modalPromise).then((function(strings,modal){return modal.getRoot().on(ModalEvents.hidden,modal.destroy.bind(modal)),modal.setTitle(strings[0]),modal.setSaveButtonText(strings[1]),modal.setBody(bodyPromise),modal.getRoot().on(ModalEvents.save,(function(){"trainedmodel"==$("input[name='evaluationmode']:checked").val()&&a.attr("href",a.attr("href")+"&mode=trainedmodel");var timeSplittingMethod=$("#id-evaluation-timesplitting").val();a.attr("href",a.attr("href")+"&timesplitting="+timeSplittingMethod),window.location.href=a.attr("href")})),modal.show(),modal})).fail(Notification.exception)}))},selectExportOptions:function(actionId,isTrained){$('[data-action-id="'+actionId+'"]').on("click",(function(ev){ev.preventDefault();var a=$(ev.currentTarget);if(!isTrained)return a.attr("href",a.attr("href")+"&action=exportmodel&includeweights=0"),void(window.location.href=a.attr("href"));var stringsPromise=Str.get_strings([{key:"export",component:"tool_analytics"}]),modalPromise=ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL}),bodyPromise=Templates.render("tool_analytics/export_options",{});$.when(stringsPromise,modalPromise).then((function(strings,modal){return modal.getRoot().on(ModalEvents.hidden,modal.destroy.bind(modal)),modal.setTitle(strings[0]),modal.setSaveButtonText(strings[0]),modal.setBody(bodyPromise),modal.getRoot().on(ModalEvents.save,(function(){"exportdata"==$("input[name='exportoption']:checked").val()?a.attr("href",a.attr("href")+"&action=exportdata"):(a.attr("href",a.attr("href")+"&action=exportmodel"),$("#id-includeweights").is(":checked")?a.attr("href",a.attr("href")+"&includeweights=1"):a.attr("href",a.attr("href")+"&includeweights=0")),window.location.href=a.attr("href")})),modal.show(),modal})).fail(Notification.exception)}))}}}));
+
+//# sourceMappingURL=model.min.js.map
\ No newline at end of file
diff --git a/admin/tool/analytics/amd/build/model.min.js.map b/admin/tool/analytics/amd/build/model.min.js.map
index 1ea039bdf3b..f50f1c0f05a 100644
--- a/admin/tool/analytics/amd/build/model.min.js.map
+++ b/admin/tool/analytics/amd/build/model.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for model actions confirmation.\n *\n * @module     tool_analytics/model\n * @copyright  2017 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/log', 'core/notification', 'core/modal_factory', 'core/modal_events', 'core/templates'],\n    function($, Str, log, Notification, ModalFactory, ModalEvents, Templates) {\n\n    /**\n     * List of actions that require confirmation and confirmation message.\n     */\n    var actionsList = {\n        clear: {\n            title: {\n                key: 'clearpredictions',\n                component: 'tool_analytics'\n            }, body: {\n                key: 'clearmodelpredictions',\n                component: 'tool_analytics'\n            }\n\n        },\n        'delete': {\n            title: {\n                key: 'delete',\n                component: 'tool_analytics'\n            }, body: {\n                key: 'deletemodelconfirmation',\n                component: 'tool_analytics'\n            }\n        }\n    };\n\n    /**\n     * Returns the model name.\n     *\n     * @param {Object} actionItem The action item DOM node.\n     * @return {String}\n     */\n    var getModelName = function(actionItem) {\n        var wrap = $(actionItem).closest('[data-model-name]');\n\n        if (wrap.length) {\n            return wrap.attr('data-model-name');\n\n        } else {\n            log.error('Unexpected DOM error - unable to obtain the model name');\n            return '';\n        }\n    };\n\n    /** @alias module:tool_analytics/model */\n    return {\n\n        /**\n         * Displays a confirm modal window before executing the action.\n         *\n         * @param {String} actionId\n         * @param {String} actionType\n         */\n        confirmAction: function(actionId, actionType) {\n            $('[data-action-id=\"' + actionId + '\"]').on('click', function(ev) {\n                ev.preventDefault();\n\n                var a = $(ev.currentTarget);\n\n                if (typeof actionsList[actionType] === \"undefined\") {\n                    log.error('Action \"' + actionType + '\" is not allowed.');\n                    return;\n                }\n\n                var reqStrings = [\n                    actionsList[actionType].title,\n                    actionsList[actionType].body\n                ];\n                reqStrings[1].param = getModelName(a);\n\n                var stringsPromise = Str.get_strings(reqStrings);\n                var modalPromise = ModalFactory.create({type: ModalFactory.types.SAVE_CANCEL});\n\n                $.when(stringsPromise, modalPromise).then(function(strings, modal) {\n                    modal.setTitle(strings[0]);\n                    modal.setBody(strings[1]);\n                    modal.setSaveButtonText(strings[0]);\n                    modal.getRoot().on(ModalEvents.save, function() {\n                        window.location.href = a.attr('href');\n                    });\n                    modal.show();\n                    return modal;\n                }).fail(Notification.exception);\n            });\n        },\n\n        /**\n         * Displays evaluation mode and time-splitting method choices.\n         *\n         * @param  {String}  actionId\n         * @param  {Boolean} trainedOnlyExternally\n         */\n        selectEvaluationOptions: function(actionId, trainedOnlyExternally) {\n            $('[data-action-id=\"' + actionId + '\"]').on('click', function(ev) {\n                ev.preventDefault();\n\n                var a = $(ev.currentTarget);\n\n                var timeSplittingMethods = $(this).attr('data-timesplitting-methods');\n\n                var stringsPromise = Str.get_strings([\n                    {\n                        key: 'evaluatemodel',\n                        component: 'tool_analytics'\n                    }, {\n                        key: 'evaluate',\n                        component: 'tool_analytics'\n                    }\n                ]);\n                var modalPromise = ModalFactory.create({type: ModalFactory.types.SAVE_CANCEL});\n                var bodyPromise = Templates.render('tool_analytics/evaluation_options', {\n                    trainedexternally: trainedOnlyExternally,\n                    timesplittingmethods: JSON.parse(timeSplittingMethods)\n                });\n\n                $.when(stringsPromise, modalPromise).then(function(strings, modal) {\n\n\n                    modal.getRoot().on(ModalEvents.hidden, modal.destroy.bind(modal));\n\n                    modal.setTitle(strings[0]);\n                    modal.setSaveButtonText(strings[1]);\n                    modal.setBody(bodyPromise);\n\n                    modal.getRoot().on(ModalEvents.save, function() {\n\n                        // Evaluation mode.\n                        var evaluationMode = $(\"input[name='evaluationmode']:checked\").val();\n                        if (evaluationMode == 'trainedmodel') {\n                            a.attr('href', a.attr('href') + '&mode=trainedmodel');\n                        }\n\n                        // Selected time-splitting id.\n                        var timeSplittingMethod = $(\"#id-evaluation-timesplitting\").val();\n                        a.attr('href', a.attr('href') + '&timesplitting=' + timeSplittingMethod);\n\n                        window.location.href = a.attr('href');\n                        return;\n                    });\n\n                    modal.show();\n                    return modal;\n                }).fail(Notification.exception);\n            });\n        },\n\n        /**\n         * Displays export options.\n         *\n         * We have two main options: export training data and export configuration.\n         * The 2nd option has an extra option: include the trained algorithm weights.\n         *\n         * @param  {String}  actionId\n         * @param  {Boolean} isTrained\n         */\n        selectExportOptions: function(actionId, isTrained) {\n            $('[data-action-id=\"' + actionId + '\"]').on('click', function(ev) {\n                ev.preventDefault();\n\n                var a = $(ev.currentTarget);\n\n                if (!isTrained) {\n                    // Export the model configuration if the model is not trained. We can't export anything else.\n                    a.attr('href', a.attr('href') + '&action=exportmodel&includeweights=0');\n                    window.location.href = a.attr('href');\n                    return;\n                }\n\n                var stringsPromise = Str.get_strings([\n                    {\n                        key: 'export',\n                        component: 'tool_analytics'\n                    }\n                ]);\n                var modalPromise = ModalFactory.create({type: ModalFactory.types.SAVE_CANCEL});\n                var bodyPromise = Templates.render('tool_analytics/export_options', {});\n\n                $.when(stringsPromise, modalPromise).then(function(strings, modal) {\n\n                    modal.getRoot().on(ModalEvents.hidden, modal.destroy.bind(modal));\n\n                    modal.setTitle(strings[0]);\n                    modal.setSaveButtonText(strings[0]);\n                    modal.setBody(bodyPromise);\n\n                    modal.getRoot().on(ModalEvents.save, function() {\n\n                        var exportOption = $(\"input[name='exportoption']:checked\").val();\n\n                        if (exportOption == 'exportdata') {\n                            a.attr('href', a.attr('href') + '&action=exportdata');\n\n                        } else {\n                            a.attr('href', a.attr('href') + '&action=exportmodel');\n                            if ($(\"#id-includeweights\").is(':checked')) {\n                                a.attr('href', a.attr('href') + '&includeweights=1');\n                            } else {\n                                a.attr('href', a.attr('href') + '&includeweights=0');\n                            }\n                        }\n\n                        window.location.href = a.attr('href');\n                        return;\n                    });\n\n                    modal.show();\n                    return modal;\n                }).fail(Notification.exception);\n            });\n        }\n    };\n});\n"],"file":"model.min.js"}
\ No newline at end of file
+{"version":3,"file":"model.min.js","sources":["../src/model.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for model actions confirmation.\n *\n * @module     tool_analytics/model\n * @copyright  2017 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/log', 'core/notification', 'core/modal_factory', 'core/modal_events', 'core/templates'],\n    function($, Str, log, Notification, ModalFactory, ModalEvents, Templates) {\n\n    /**\n     * List of actions that require confirmation and confirmation message.\n     */\n    var actionsList = {\n        clear: {\n            title: {\n                key: 'clearpredictions',\n                component: 'tool_analytics'\n            }, body: {\n                key: 'clearmodelpredictions',\n                component: 'tool_analytics'\n            }\n\n        },\n        'delete': {\n            title: {\n                key: 'delete',\n                component: 'tool_analytics'\n            }, body: {\n                key: 'deletemodelconfirmation',\n                component: 'tool_analytics'\n            }\n        }\n    };\n\n    /**\n     * Returns the model name.\n     *\n     * @param {Object} actionItem The action item DOM node.\n     * @return {String}\n     */\n    var getModelName = function(actionItem) {\n        var wrap = $(actionItem).closest('[data-model-name]');\n\n        if (wrap.length) {\n            return wrap.attr('data-model-name');\n\n        } else {\n            log.error('Unexpected DOM error - unable to obtain the model name');\n            return '';\n        }\n    };\n\n    /** @alias module:tool_analytics/model */\n    return {\n\n        /**\n         * Displays a confirm modal window before executing the action.\n         *\n         * @param {String} actionId\n         * @param {String} actionType\n         */\n        confirmAction: function(actionId, actionType) {\n            $('[data-action-id=\"' + actionId + '\"]').on('click', function(ev) {\n                ev.preventDefault();\n\n                var a = $(ev.currentTarget);\n\n                if (typeof actionsList[actionType] === \"undefined\") {\n                    log.error('Action \"' + actionType + '\" is not allowed.');\n                    return;\n                }\n\n                var reqStrings = [\n                    actionsList[actionType].title,\n                    actionsList[actionType].body\n                ];\n                reqStrings[1].param = getModelName(a);\n\n                var stringsPromise = Str.get_strings(reqStrings);\n                var modalPromise = ModalFactory.create({type: ModalFactory.types.SAVE_CANCEL});\n\n                $.when(stringsPromise, modalPromise).then(function(strings, modal) {\n                    modal.setTitle(strings[0]);\n                    modal.setBody(strings[1]);\n                    modal.setSaveButtonText(strings[0]);\n                    modal.getRoot().on(ModalEvents.save, function() {\n                        window.location.href = a.attr('href');\n                    });\n                    modal.show();\n                    return modal;\n                }).fail(Notification.exception);\n            });\n        },\n\n        /**\n         * Displays evaluation mode and time-splitting method choices.\n         *\n         * @param  {String}  actionId\n         * @param  {Boolean} trainedOnlyExternally\n         */\n        selectEvaluationOptions: function(actionId, trainedOnlyExternally) {\n            $('[data-action-id=\"' + actionId + '\"]').on('click', function(ev) {\n                ev.preventDefault();\n\n                var a = $(ev.currentTarget);\n\n                var timeSplittingMethods = $(this).attr('data-timesplitting-methods');\n\n                var stringsPromise = Str.get_strings([\n                    {\n                        key: 'evaluatemodel',\n                        component: 'tool_analytics'\n                    }, {\n                        key: 'evaluate',\n                        component: 'tool_analytics'\n                    }\n                ]);\n                var modalPromise = ModalFactory.create({type: ModalFactory.types.SAVE_CANCEL});\n                var bodyPromise = Templates.render('tool_analytics/evaluation_options', {\n                    trainedexternally: trainedOnlyExternally,\n                    timesplittingmethods: JSON.parse(timeSplittingMethods)\n                });\n\n                $.when(stringsPromise, modalPromise).then(function(strings, modal) {\n\n\n                    modal.getRoot().on(ModalEvents.hidden, modal.destroy.bind(modal));\n\n                    modal.setTitle(strings[0]);\n                    modal.setSaveButtonText(strings[1]);\n                    modal.setBody(bodyPromise);\n\n                    modal.getRoot().on(ModalEvents.save, function() {\n\n                        // Evaluation mode.\n                        var evaluationMode = $(\"input[name='evaluationmode']:checked\").val();\n                        if (evaluationMode == 'trainedmodel') {\n                            a.attr('href', a.attr('href') + '&mode=trainedmodel');\n                        }\n\n                        // Selected time-splitting id.\n                        var timeSplittingMethod = $(\"#id-evaluation-timesplitting\").val();\n                        a.attr('href', a.attr('href') + '&timesplitting=' + timeSplittingMethod);\n\n                        window.location.href = a.attr('href');\n                        return;\n                    });\n\n                    modal.show();\n                    return modal;\n                }).fail(Notification.exception);\n            });\n        },\n\n        /**\n         * Displays export options.\n         *\n         * We have two main options: export training data and export configuration.\n         * The 2nd option has an extra option: include the trained algorithm weights.\n         *\n         * @param  {String}  actionId\n         * @param  {Boolean} isTrained\n         */\n        selectExportOptions: function(actionId, isTrained) {\n            $('[data-action-id=\"' + actionId + '\"]').on('click', function(ev) {\n                ev.preventDefault();\n\n                var a = $(ev.currentTarget);\n\n                if (!isTrained) {\n                    // Export the model configuration if the model is not trained. We can't export anything else.\n                    a.attr('href', a.attr('href') + '&action=exportmodel&includeweights=0');\n                    window.location.href = a.attr('href');\n                    return;\n                }\n\n                var stringsPromise = Str.get_strings([\n                    {\n                        key: 'export',\n                        component: 'tool_analytics'\n                    }\n                ]);\n                var modalPromise = ModalFactory.create({type: ModalFactory.types.SAVE_CANCEL});\n                var bodyPromise = Templates.render('tool_analytics/export_options', {});\n\n                $.when(stringsPromise, modalPromise).then(function(strings, modal) {\n\n                    modal.getRoot().on(ModalEvents.hidden, modal.destroy.bind(modal));\n\n                    modal.setTitle(strings[0]);\n                    modal.setSaveButtonText(strings[0]);\n                    modal.setBody(bodyPromise);\n\n                    modal.getRoot().on(ModalEvents.save, function() {\n\n                        var exportOption = $(\"input[name='exportoption']:checked\").val();\n\n                        if (exportOption == 'exportdata') {\n                            a.attr('href', a.attr('href') + '&action=exportdata');\n\n                        } else {\n                            a.attr('href', a.attr('href') + '&action=exportmodel');\n                            if ($(\"#id-includeweights\").is(':checked')) {\n                                a.attr('href', a.attr('href') + '&includeweights=1');\n                            } else {\n                                a.attr('href', a.attr('href') + '&includeweights=0');\n                            }\n                        }\n\n                        window.location.href = a.attr('href');\n                        return;\n                    });\n\n                    modal.show();\n                    return modal;\n                }).fail(Notification.exception);\n            });\n        }\n    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\ No newline at end of file
diff --git a/admin/tool/analytics/amd/build/potential-contexts.min.js b/admin/tool/analytics/amd/build/potential-contexts.min.js
index c93ee47896f..8c380623962 100644
--- a/admin/tool/analytics/amd/build/potential-contexts.min.js
+++ b/admin/tool/analytics/amd/build/potential-contexts.min.js
@@ -1,2 +1,12 @@
-define ("tool_analytics/potential-contexts",["jquery","core/ajax"],function(a,b){return{processResults:function processResults(b,c){var d=[];if(a.isArray(c)){a.each(c,function(a,b){d.push({value:b.id,label:b.name})});return d}else{return c}},transport:function transport(c,d,e,f){var g,h=a(c).attr("modelid")||null;g=b.call([{methodname:"tool_analytics_potential_contexts",args:{query:d,modelid:h}}]);g[0].then(e).fail(f)}}});
-//# sourceMappingURL=potential-contexts.min.js.map
+/**
+ * Potential contexts selector module.
+ *
+ * @module     tool_analytics/potential-contexts
+ * @class      potential-contexts
+ * @package    tool_analytics
+ * @copyright  2019 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_analytics/potential-contexts",["jquery","core/ajax"],(function($,Ajax){return{processResults:function(selector,results){var contexts=[];return $.isArray(results)?($.each(results,(function(index,context){contexts.push({value:context.id,label:context.name})})),contexts):results},transport:function(selector,query,success,failure){var modelid=$(selector).attr("modelid")||null;Ajax.call([{methodname:"tool_analytics_potential_contexts",args:{query:query,modelid:modelid}}])[0].then(success).fail(failure)}}}));
+
+//# sourceMappingURL=potential-contexts.min.js.map
\ No newline at end of file
diff --git a/admin/tool/analytics/amd/build/potential-contexts.min.js.map b/admin/tool/analytics/amd/build/potential-contexts.min.js.map
index 03b6fb56a01..0baf899dcb7 100644
--- a/admin/tool/analytics/amd/build/potential-contexts.min.js.map
+++ b/admin/tool/analytics/amd/build/potential-contexts.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/potential-contexts.js"],"names":["define","$","Ajax","processResults","selector","results","contexts","isArray","each","index","context","push","value","id","label","name","transport","query","success","failure","promise","modelid","attr","call","methodname","args","then","fail"],"mappings":"AAyBAA,OAAM,qCAAC,CAAC,QAAD,CAAW,WAAX,CAAD,CAA0B,SAASC,CAAT,CAAYC,CAAZ,CAAkB,CAE9C,MAA8D,CAE1DC,cAAc,CAAE,wBAASC,CAAT,CAAmBC,CAAnB,CAA4B,CACxC,GAAIC,CAAAA,CAAQ,CAAG,EAAf,CACA,GAAIL,CAAC,CAACM,OAAF,CAAUF,CAAV,CAAJ,CAAwB,CACpBJ,CAAC,CAACO,IAAF,CAAOH,CAAP,CAAgB,SAASI,CAAT,CAAgBC,CAAhB,CAAyB,CACrCJ,CAAQ,CAACK,IAAT,CAAc,CACVC,KAAK,CAAEF,CAAO,CAACG,EADL,CAEVC,KAAK,CAAEJ,CAAO,CAACK,IAFL,CAAd,CAIH,CALD,EAMA,MAAOT,CAAAA,CAEV,CATD,IASO,CACH,MAAOD,CAAAA,CACV,CACJ,CAhByD,CAkB1DW,SAAS,CAAE,mBAASZ,CAAT,CAAmBa,CAAnB,CAA0BC,CAA1B,CAAmCC,CAAnC,CAA4C,IAC/CC,CAAAA,CAD+C,CAG/CC,CAAO,CAAGpB,CAAC,CAACG,CAAD,CAAD,CAAYkB,IAAZ,CAAiB,SAAjB,GAA+B,IAHM,CAInDF,CAAO,CAAGlB,CAAI,CAACqB,IAAL,CAAU,CAAC,CACjBC,UAAU,CAAE,mCADK,CAEjBC,IAAI,CAAE,CACFR,KAAK,CAAEA,CADL,CAEFI,OAAO,CAAEA,CAFP,CAFW,CAAD,CAAV,CAAV,CAQAD,CAAO,CAAC,CAAD,CAAP,CAAWM,IAAX,CAAgBR,CAAhB,EAAyBS,IAAzB,CAA8BR,CAA9B,CACH,CA/ByD,CAmCjE,CArCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Potential contexts selector module.\n *\n * @module     tool_analytics/potential-contexts\n * @class      potential-contexts\n * @package    tool_analytics\n * @copyright  2019 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax'], function($, Ajax) {\n\n    return /** @alias module:tool_analytics/potential-contexts */ {\n\n        processResults: function(selector, results) {\n            var contexts = [];\n            if ($.isArray(results)) {\n                $.each(results, function(index, context) {\n                    contexts.push({\n                        value: context.id,\n                        label: context.name\n                    });\n                });\n                return contexts;\n\n            } else {\n                return results;\n            }\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise;\n\n            let modelid = $(selector).attr('modelid') || null;\n            promise = Ajax.call([{\n                methodname: 'tool_analytics_potential_contexts',\n                args: {\n                    query: query,\n                    modelid: modelid\n                }\n            }]);\n\n            promise[0].then(success).fail(failure);\n        }\n\n    };\n\n});\n"],"file":"potential-contexts.min.js"}
\ No newline at end of file
+{"version":3,"file":"potential-contexts.min.js","sources":["../src/potential-contexts.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Potential contexts selector module.\n *\n * @module     tool_analytics/potential-contexts\n * @class      potential-contexts\n * @package    tool_analytics\n * @copyright  2019 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax'], function($, Ajax) {\n\n    return /** @alias module:tool_analytics/potential-contexts */ {\n\n        processResults: function(selector, results) {\n            var contexts = [];\n            if ($.isArray(results)) {\n                $.each(results, function(index, context) {\n                    contexts.push({\n                        value: context.id,\n                        label: context.name\n                    });\n                });\n                return contexts;\n\n            } else {\n                return results;\n            }\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise;\n\n            let modelid = $(selector).attr('modelid') || null;\n            promise = Ajax.call([{\n                methodname: 'tool_analytics_potential_contexts',\n                args: {\n                    query: query,\n                    modelid: modelid\n                }\n            }]);\n\n            promise[0].then(success).fail(failure);\n        }\n\n    };\n\n});\n"],"names":["define","$","Ajax","processResults","selector","results","contexts","isArray","each","index","context","push","value","id","label","name","transport","query","success","failure","modelid","attr","call","methodname","args","then","fail"],"mappings":";;;;;;;;;AAyBAA,2CAAO,CAAC,SAAU,cAAc,SAASC,EAAGC,YAEsB,CAE1DC,eAAgB,SAASC,SAAUC,aAC3BC,SAAW,UACXL,EAAEM,QAAQF,UACVJ,EAAEO,KAAKH,SAAS,SAASI,MAAOC,SAC5BJ,SAASK,KAAK,CACVC,MAAOF,QAAQG,GACfC,MAAOJ,QAAQK,UAGhBT,UAGAD,SAIfW,UAAW,SAASZ,SAAUa,MAAOC,QAASC,aAGtCC,QAAUnB,EAAEG,UAAUiB,KAAK,YAAc,KACnCnB,KAAKoB,KAAK,CAAC,CACjBC,WAAY,oCACZC,KAAM,CACFP,MAAOA,MACPG,QAASA,YAIT,GAAGK,KAAKP,SAASQ,KAAKP"}
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/add_category.min.js b/admin/tool/dataprivacy/amd/build/add_category.min.js
index 52f6aeb8fb0..cc5e9999a8b 100644
--- a/admin/tool/dataprivacy/amd/build/add_category.min.js
+++ b/admin/tool/dataprivacy/amd/build/add_category.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/add_category",["jquery","core/str","core/ajax","core/notification","core/modal_factory","core/modal_events","core/fragment"],function(a,b,c,d,e,f,g){var h={CATEGORY_LINK:"[data-add-element=\"category\"]"},i=function(a){this.contextId=a;this.strings=b.get_strings([{key:"addcategory",component:"tool_dataprivacy"},{key:"save",component:"admin"}]);this.registerEventListeners()};i.prototype.contextId=0;i.prototype.strings=0;i.prototype.registerEventListeners=function(){var b=a(h.CATEGORY_LINK);b.on("click",function(){return this.strings.then(function(a){e.create({type:e.types.SAVE_CANCEL,title:a[0],body:""},b).done(function(b){this.setupFormModal(b,a[1])}.bind(this))}.bind(this)).fail(d.exception)}.bind(this))};i.prototype.getBody=function(a){var b=null;if("undefined"!=typeof a){b={jsonformdata:JSON.stringify(a)}}return g.loadFragment("tool_dataprivacy","addcategory_form",this.contextId,b)};i.prototype.setupFormModal=function(a,b){a.setLarge();a.setSaveButtonText(b);a.getRoot().on(f.hidden,this.destroy.bind(this));a.setBody(this.getBody());a.getRoot().on(f.save,this.submitForm.bind(this));a.getRoot().on("submit","form",this.submitFormAjax.bind(this));this.modal=a;a.show()};i.prototype.submitForm=function(a){a.preventDefault();this.modal.getRoot().find("form").submit()};i.prototype.submitFormAjax=function(a){a.preventDefault();var b=this.modal.getRoot().find("form").serialize();c.call([{methodname:"tool_dataprivacy_create_category_form",args:{jsonformdata:JSON.stringify(b)},done:function(a){if(a.validationerrors){this.modal.setBody(this.getBody(b))}else{this.close()}}.bind(this),fail:d.exception}])};i.prototype.close=function(){this.destroy();document.location.reload()};i.prototype.destroy=function(){Y.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.reset_form_dirty_state()});this.modal.destroy()};i.prototype.removeListeners=function(){a(h.CATEGORY_LINK).off("click")};return{getInstance:function getInstance(a){return new i(a)}}});
-//# sourceMappingURL=add_category.min.js.map
+/**
+ * Module to add categories.
+ *
+ * @module     tool_dataprivacy/add_category
+ * @package    tool_dataprivacy
+ * @copyright  2018 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/add_category",["jquery","core/str","core/ajax","core/notification","core/modal_factory","core/modal_events","core/fragment"],(function($,Str,Ajax,Notification,ModalFactory,ModalEvents,Fragment){var SELECTORS_CATEGORY_LINK='[data-add-element="category"]',AddCategory=function(contextId){this.contextId=contextId;this.strings=Str.get_strings([{key:"addcategory",component:"tool_dataprivacy"},{key:"save",component:"admin"}]),this.registerEventListeners()};return AddCategory.prototype.contextId=0,AddCategory.prototype.strings=0,AddCategory.prototype.registerEventListeners=function(){var trigger=$(SELECTORS_CATEGORY_LINK);trigger.on("click",function(){return this.strings.then(function(strings){ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,title:strings[0],body:""},trigger).done(function(modal){this.setupFormModal(modal,strings[1])}.bind(this))}.bind(this)).fail(Notification.exception)}.bind(this))},AddCategory.prototype.getBody=function(formdata){var params=null;return void 0!==formdata&&(params={jsonformdata:JSON.stringify(formdata)}),Fragment.loadFragment("tool_dataprivacy","addcategory_form",this.contextId,params)},AddCategory.prototype.setupFormModal=function(modal,saveText){modal.setLarge(),modal.setSaveButtonText(saveText),modal.getRoot().on(ModalEvents.hidden,this.destroy.bind(this)),modal.setBody(this.getBody()),modal.getRoot().on(ModalEvents.save,this.submitForm.bind(this)),modal.getRoot().on("submit","form",this.submitFormAjax.bind(this)),this.modal=modal,modal.show()},AddCategory.prototype.submitForm=function(e){e.preventDefault(),this.modal.getRoot().find("form").submit()},AddCategory.prototype.submitFormAjax=function(e){e.preventDefault();var formData=this.modal.getRoot().find("form").serialize();Ajax.call([{methodname:"tool_dataprivacy_create_category_form",args:{jsonformdata:JSON.stringify(formData)},done:function(data){data.validationerrors?this.modal.setBody(this.getBody(formData)):this.close()}.bind(this),fail:Notification.exception}])},AddCategory.prototype.close=function(){this.destroy(),document.location.reload()},AddCategory.prototype.destroy=function(){Y.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.reset_form_dirty_state()})),this.modal.destroy()},AddCategory.prototype.removeListeners=function(){$(SELECTORS_CATEGORY_LINK).off("click")},{getInstance:function(contextId){return new AddCategory(contextId)}}}));
+
+//# sourceMappingURL=add_category.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/add_category.min.js.map b/admin/tool/dataprivacy/amd/build/add_category.min.js.map
index 718f6554412..2c4ab45e9cb 100644
--- a/admin/tool/dataprivacy/amd/build/add_category.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/add_category.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to add categories.\n *\n * @module     tool_dataprivacy/add_category\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/ajax', 'core/notification', 'core/modal_factory', 'core/modal_events', 'core/fragment'],\n    function($, Str, Ajax, Notification, ModalFactory, ModalEvents, Fragment) {\n\n        var SELECTORS = {\n            CATEGORY_LINK: '[data-add-element=\"category\"]',\n        };\n\n        var AddCategory = function(contextId) {\n            this.contextId = contextId;\n\n            var stringKeys = [\n                {\n                    key: 'addcategory',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'save',\n                    component: 'admin'\n                }\n            ];\n            this.strings = Str.get_strings(stringKeys);\n\n            this.registerEventListeners();\n        };\n\n        /**\n         * @var {int} contextId\n         * @private\n         */\n        AddCategory.prototype.contextId = 0;\n\n        /**\n         * @var {Promise}\n         * @private\n         */\n        AddCategory.prototype.strings = 0;\n\n        AddCategory.prototype.registerEventListeners = function() {\n\n            var trigger = $(SELECTORS.CATEGORY_LINK);\n            trigger.on('click', function() {\n                return this.strings.then(function(strings) {\n                    ModalFactory.create({\n                        type: ModalFactory.types.SAVE_CANCEL,\n                        title: strings[0],\n                        body: '',\n                    }, trigger).done(function(modal) {\n                        this.setupFormModal(modal, strings[1]);\n                    }.bind(this));\n                }.bind(this))\n                .fail(Notification.exception);\n            }.bind(this));\n\n        };\n\n        /**\n         * @method getBody\n         * @param {Object} formdata\n         * @private\n         * @return {Promise}\n         */\n        AddCategory.prototype.getBody = function(formdata) {\n\n            var params = null;\n            if (typeof formdata !== \"undefined\") {\n                params = {jsonformdata: JSON.stringify(formdata)};\n            }\n            // Get the content of the modal.\n            return Fragment.loadFragment('tool_dataprivacy', 'addcategory_form', this.contextId, params);\n        };\n\n        AddCategory.prototype.setupFormModal = function(modal, saveText) {\n            modal.setLarge();\n\n            modal.setSaveButtonText(saveText);\n\n            // We want to reset the form every time it is opened.\n            modal.getRoot().on(ModalEvents.hidden, this.destroy.bind(this));\n\n            modal.setBody(this.getBody());\n\n            // We catch the modal save event, and use it to submit the form inside the modal.\n            // Triggering a form submission will give JS validation scripts a chance to check for errors.\n            modal.getRoot().on(ModalEvents.save, this.submitForm.bind(this));\n            // We also catch the form submit event and use it to submit the form with ajax.\n            modal.getRoot().on('submit', 'form', this.submitFormAjax.bind(this));\n\n            this.modal = modal;\n\n            modal.show();\n        };\n\n        /**\n         * This triggers a form submission, so that any mform elements can do final tricks before the form submission is processed.\n         *\n         * @method submitForm\n         * @param {Event} e Form submission event.\n         * @private\n         */\n        AddCategory.prototype.submitForm = function(e) {\n            e.preventDefault();\n            this.modal.getRoot().find('form').submit();\n        };\n\n        AddCategory.prototype.submitFormAjax = function(e) {\n            // We don't want to do a real form submission.\n            e.preventDefault();\n\n            // Convert all the form elements values to a serialised string.\n            var formData = this.modal.getRoot().find('form').serialize();\n\n            Ajax.call([{\n                methodname: 'tool_dataprivacy_create_category_form',\n                args: {jsonformdata: JSON.stringify(formData)},\n                done: function(data) {\n                    if (data.validationerrors) {\n                        this.modal.setBody(this.getBody(formData));\n                    } else {\n                        this.close();\n                    }\n                }.bind(this),\n                fail: Notification.exception\n            }]);\n        };\n\n        AddCategory.prototype.close = function() {\n            this.destroy();\n            document.location.reload();\n        };\n\n        AddCategory.prototype.destroy = function() {\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            this.modal.destroy();\n        };\n\n        AddCategory.prototype.removeListeners = function() {\n            $(SELECTORS.CATEGORY_LINK).off('click');\n        };\n\n        return /** @alias module:tool_dataprivacy/add_category */ {\n            getInstance: function(contextId) {\n                return new AddCategory(contextId);\n            }\n        };\n    }\n);\n\n"],"file":"add_category.min.js"}
\ No newline at end of file
+{"version":3,"file":"add_category.min.js","sources":["../src/add_category.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to add categories.\n *\n * @module     tool_dataprivacy/add_category\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/ajax', 'core/notification', 'core/modal_factory', 'core/modal_events', 'core/fragment'],\n    function($, Str, Ajax, Notification, ModalFactory, ModalEvents, Fragment) {\n\n        var SELECTORS = {\n            CATEGORY_LINK: '[data-add-element=\"category\"]',\n        };\n\n        var AddCategory = function(contextId) {\n            this.contextId = contextId;\n\n            var stringKeys = [\n                {\n                    key: 'addcategory',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'save',\n                    component: 'admin'\n                }\n            ];\n            this.strings = Str.get_strings(stringKeys);\n\n            this.registerEventListeners();\n        };\n\n        /**\n         * @var {int} contextId\n         * @private\n         */\n        AddCategory.prototype.contextId = 0;\n\n        /**\n         * @var {Promise}\n         * @private\n         */\n        AddCategory.prototype.strings = 0;\n\n        AddCategory.prototype.registerEventListeners = function() {\n\n            var trigger = $(SELECTORS.CATEGORY_LINK);\n            trigger.on('click', function() {\n                return this.strings.then(function(strings) {\n                    ModalFactory.create({\n                        type: ModalFactory.types.SAVE_CANCEL,\n                        title: strings[0],\n                        body: '',\n                    }, trigger).done(function(modal) {\n                        this.setupFormModal(modal, strings[1]);\n                    }.bind(this));\n                }.bind(this))\n                .fail(Notification.exception);\n            }.bind(this));\n\n        };\n\n        /**\n         * @method getBody\n         * @param {Object} formdata\n         * @private\n         * @return {Promise}\n         */\n        AddCategory.prototype.getBody = function(formdata) {\n\n            var params = null;\n            if (typeof formdata !== \"undefined\") {\n                params = {jsonformdata: JSON.stringify(formdata)};\n            }\n            // Get the content of the modal.\n            return Fragment.loadFragment('tool_dataprivacy', 'addcategory_form', this.contextId, params);\n        };\n\n        AddCategory.prototype.setupFormModal = function(modal, saveText) {\n            modal.setLarge();\n\n            modal.setSaveButtonText(saveText);\n\n            // We want to reset the form every time it is opened.\n            modal.getRoot().on(ModalEvents.hidden, this.destroy.bind(this));\n\n            modal.setBody(this.getBody());\n\n            // We catch the modal save event, and use it to submit the form inside the modal.\n            // Triggering a form submission will give JS validation scripts a chance to check for errors.\n            modal.getRoot().on(ModalEvents.save, this.submitForm.bind(this));\n            // We also catch the form submit event and use it to submit the form with ajax.\n            modal.getRoot().on('submit', 'form', this.submitFormAjax.bind(this));\n\n            this.modal = modal;\n\n            modal.show();\n        };\n\n        /**\n         * This triggers a form submission, so that any mform elements can do final tricks before the form submission is processed.\n         *\n         * @method submitForm\n         * @param {Event} e Form submission event.\n         * @private\n         */\n        AddCategory.prototype.submitForm = function(e) {\n            e.preventDefault();\n            this.modal.getRoot().find('form').submit();\n        };\n\n        AddCategory.prototype.submitFormAjax = function(e) {\n            // We don't want to do a real form submission.\n            e.preventDefault();\n\n            // Convert all the form elements values to a serialised string.\n            var formData = this.modal.getRoot().find('form').serialize();\n\n            Ajax.call([{\n                methodname: 'tool_dataprivacy_create_category_form',\n                args: {jsonformdata: JSON.stringify(formData)},\n                done: function(data) {\n                    if (data.validationerrors) {\n                        this.modal.setBody(this.getBody(formData));\n                    } else {\n                        this.close();\n                    }\n                }.bind(this),\n                fail: Notification.exception\n            }]);\n        };\n\n        AddCategory.prototype.close = function() {\n            this.destroy();\n            document.location.reload();\n        };\n\n        AddCategory.prototype.destroy = function() {\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            this.modal.destroy();\n        };\n\n        AddCategory.prototype.removeListeners = function() {\n            $(SELECTORS.CATEGORY_LINK).off('click');\n        };\n\n        return /** @alias module:tool_dataprivacy/add_category */ {\n            getInstance: function(contextId) {\n                return new AddCategory(contextId);\n            }\n        };\n    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diff --git a/admin/tool/dataprivacy/amd/build/add_purpose.min.js b/admin/tool/dataprivacy/amd/build/add_purpose.min.js
index d3bcb8b901b..637b62b6b8e 100644
--- a/admin/tool/dataprivacy/amd/build/add_purpose.min.js
+++ b/admin/tool/dataprivacy/amd/build/add_purpose.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/add_purpose",["jquery","core/str","core/ajax","core/notification","core/modal_factory","core/modal_events","core/fragment"],function(a,b,c,d,e,f,g){var h={PURPOSE_LINK:"[data-add-element=\"purpose\"]"},i=function(a){this.contextId=a;this.strings=b.get_strings([{key:"addpurpose",component:"tool_dataprivacy"},{key:"save",component:"admin"}]);this.registerEventListeners()};i.prototype.contextId=0;i.prototype.strings=0;i.prototype.registerEventListeners=function(){var b=a(h.PURPOSE_LINK);b.on("click",function(){return this.strings.then(function(a){e.create({type:e.types.SAVE_CANCEL,title:a[0],body:""},b).done(function(b){this.setupFormModal(b,a[1])}.bind(this))}.bind(this)).fail(d.exception)}.bind(this))};i.prototype.getBody=function(a){var b=null;if("undefined"!=typeof a){b={jsonformdata:JSON.stringify(a)}}return g.loadFragment("tool_dataprivacy","addpurpose_form",this.contextId,b)};i.prototype.setupFormModal=function(a,b){a.setLarge();a.setSaveButtonText(b);a.getRoot().on(f.hidden,this.destroy.bind(this));a.setBody(this.getBody());a.getRoot().on(f.save,this.submitForm.bind(this));a.getRoot().on("submit","form",this.submitFormAjax.bind(this));this.modal=a;a.show()};i.prototype.submitForm=function(a){a.preventDefault();this.modal.getRoot().find("form").submit()};i.prototype.submitFormAjax=function(a){a.preventDefault();var b=this.modal.getRoot().find("form").serialize();c.call([{methodname:"tool_dataprivacy_create_purpose_form",args:{jsonformdata:JSON.stringify(b)},done:function(a){if(a.validationerrors){this.modal.setBody(this.getBody(b))}else{this.close()}}.bind(this),fail:d.exception}])};i.prototype.close=function(){this.destroy();document.location.reload()};i.prototype.destroy=function(){Y.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.reset_form_dirty_state()});this.modal.destroy()};i.prototype.removeListeners=function(){a(h.PURPOSE_LINK).off("click")};return{getInstance:function getInstance(a){return new i(a)}}});
-//# sourceMappingURL=add_purpose.min.js.map
+/**
+ * Module to add purposes.
+ *
+ * @module     tool_dataprivacy/add_purpose
+ * @package    tool_dataprivacy
+ * @copyright  2018 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/add_purpose",["jquery","core/str","core/ajax","core/notification","core/modal_factory","core/modal_events","core/fragment"],(function($,Str,Ajax,Notification,ModalFactory,ModalEvents,Fragment){var SELECTORS_PURPOSE_LINK='[data-add-element="purpose"]',AddPurpose=function(contextId){this.contextId=contextId;this.strings=Str.get_strings([{key:"addpurpose",component:"tool_dataprivacy"},{key:"save",component:"admin"}]),this.registerEventListeners()};return AddPurpose.prototype.contextId=0,AddPurpose.prototype.strings=0,AddPurpose.prototype.registerEventListeners=function(){var trigger=$(SELECTORS_PURPOSE_LINK);trigger.on("click",function(){return this.strings.then(function(strings){ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,title:strings[0],body:""},trigger).done(function(modal){this.setupFormModal(modal,strings[1])}.bind(this))}.bind(this)).fail(Notification.exception)}.bind(this))},AddPurpose.prototype.getBody=function(formdata){var params=null;return void 0!==formdata&&(params={jsonformdata:JSON.stringify(formdata)}),Fragment.loadFragment("tool_dataprivacy","addpurpose_form",this.contextId,params)},AddPurpose.prototype.setupFormModal=function(modal,saveText){modal.setLarge(),modal.setSaveButtonText(saveText),modal.getRoot().on(ModalEvents.hidden,this.destroy.bind(this)),modal.setBody(this.getBody()),modal.getRoot().on(ModalEvents.save,this.submitForm.bind(this)),modal.getRoot().on("submit","form",this.submitFormAjax.bind(this)),this.modal=modal,modal.show()},AddPurpose.prototype.submitForm=function(e){e.preventDefault(),this.modal.getRoot().find("form").submit()},AddPurpose.prototype.submitFormAjax=function(e){e.preventDefault();var formData=this.modal.getRoot().find("form").serialize();Ajax.call([{methodname:"tool_dataprivacy_create_purpose_form",args:{jsonformdata:JSON.stringify(formData)},done:function(data){data.validationerrors?this.modal.setBody(this.getBody(formData)):this.close()}.bind(this),fail:Notification.exception}])},AddPurpose.prototype.close=function(){this.destroy(),document.location.reload()},AddPurpose.prototype.destroy=function(){Y.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.reset_form_dirty_state()})),this.modal.destroy()},AddPurpose.prototype.removeListeners=function(){$(SELECTORS_PURPOSE_LINK).off("click")},{getInstance:function(contextId){return new AddPurpose(contextId)}}}));
+
+//# sourceMappingURL=add_purpose.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/add_purpose.min.js.map b/admin/tool/dataprivacy/amd/build/add_purpose.min.js.map
index aabef23b184..29a8b29fe91 100644
--- a/admin/tool/dataprivacy/amd/build/add_purpose.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/add_purpose.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to add purposes.\n *\n * @module     tool_dataprivacy/add_purpose\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/ajax', 'core/notification', 'core/modal_factory', 'core/modal_events', 'core/fragment'],\n    function($, Str, Ajax, Notification, ModalFactory, ModalEvents, Fragment) {\n\n        var SELECTORS = {\n            PURPOSE_LINK: '[data-add-element=\"purpose\"]',\n        };\n\n        var AddPurpose = function(contextId) {\n            this.contextId = contextId;\n\n            var stringKeys = [\n                {\n                    key: 'addpurpose',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'save',\n                    component: 'admin'\n                }\n            ];\n            this.strings = Str.get_strings(stringKeys);\n\n            this.registerEventListeners();\n        };\n\n        /**\n         * @var {int} contextId\n         * @private\n         */\n        AddPurpose.prototype.contextId = 0;\n\n        /**\n         * @var {Promise}\n         * @private\n         */\n        AddPurpose.prototype.strings = 0;\n\n        AddPurpose.prototype.registerEventListeners = function() {\n\n            var trigger = $(SELECTORS.PURPOSE_LINK);\n            trigger.on('click', function() {\n                return this.strings.then(function(strings) {\n                    ModalFactory.create({\n                        type: ModalFactory.types.SAVE_CANCEL,\n                        title: strings[0],\n                        body: '',\n                    }, trigger).done(function(modal) {\n                        this.setupFormModal(modal, strings[1]);\n                    }.bind(this));\n                }.bind(this))\n                .fail(Notification.exception);\n            }.bind(this));\n\n        };\n\n        /**\n         * @method getBody\n         * @param {Object} formdata\n         * @private\n         * @return {Promise}\n         */\n        AddPurpose.prototype.getBody = function(formdata) {\n\n            var params = null;\n            if (typeof formdata !== \"undefined\") {\n                params = {jsonformdata: JSON.stringify(formdata)};\n            }\n            // Get the content of the modal.\n            return Fragment.loadFragment('tool_dataprivacy', 'addpurpose_form', this.contextId, params);\n        };\n\n        AddPurpose.prototype.setupFormModal = function(modal, saveText) {\n            modal.setLarge();\n\n            modal.setSaveButtonText(saveText);\n\n            // We want to reset the form every time it is opened.\n            modal.getRoot().on(ModalEvents.hidden, this.destroy.bind(this));\n\n            modal.setBody(this.getBody());\n\n            // We catch the modal save event, and use it to submit the form inside the modal.\n            // Triggering a form submission will give JS validation scripts a chance to check for errors.\n            modal.getRoot().on(ModalEvents.save, this.submitForm.bind(this));\n            // We also catch the form submit event and use it to submit the form with ajax.\n            modal.getRoot().on('submit', 'form', this.submitFormAjax.bind(this));\n\n            this.modal = modal;\n\n            modal.show();\n        };\n\n        /**\n         * This triggers a form submission, so that any mform elements can do final tricks before the form submission is processed.\n         *\n         * @method submitForm\n         * @param {Event} e Form submission event.\n         * @private\n         */\n        AddPurpose.prototype.submitForm = function(e) {\n            e.preventDefault();\n            this.modal.getRoot().find('form').submit();\n        };\n\n        AddPurpose.prototype.submitFormAjax = function(e) {\n            // We don't want to do a real form submission.\n            e.preventDefault();\n\n            // Convert all the form elements values to a serialised string.\n            var formData = this.modal.getRoot().find('form').serialize();\n\n            Ajax.call([{\n                methodname: 'tool_dataprivacy_create_purpose_form',\n                args: {jsonformdata: JSON.stringify(formData)},\n                done: function(data) {\n                    if (data.validationerrors) {\n                        this.modal.setBody(this.getBody(formData));\n                    } else {\n                        this.close();\n                    }\n                }.bind(this),\n\n                fail: Notification.exception\n            }]);\n        };\n\n        AddPurpose.prototype.close = function() {\n            this.destroy();\n            document.location.reload();\n        };\n\n        AddPurpose.prototype.destroy = function() {\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            this.modal.destroy();\n        };\n\n        AddPurpose.prototype.removeListeners = function() {\n            $(SELECTORS.PURPOSE_LINK).off('click');\n        };\n\n        return /** @alias module:tool_dataprivacy/add_purpose */ {\n            getInstance: function(contextId) {\n                return new AddPurpose(contextId);\n            }\n        };\n    }\n);\n\n"],"file":"add_purpose.min.js"}
\ No newline at end of file
+{"version":3,"file":"add_purpose.min.js","sources":["../src/add_purpose.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to add purposes.\n *\n * @module     tool_dataprivacy/add_purpose\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/ajax', 'core/notification', 'core/modal_factory', 'core/modal_events', 'core/fragment'],\n    function($, Str, Ajax, Notification, ModalFactory, ModalEvents, Fragment) {\n\n        var SELECTORS = {\n            PURPOSE_LINK: '[data-add-element=\"purpose\"]',\n        };\n\n        var AddPurpose = function(contextId) {\n            this.contextId = contextId;\n\n            var stringKeys = [\n                {\n                    key: 'addpurpose',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'save',\n                    component: 'admin'\n                }\n            ];\n            this.strings = Str.get_strings(stringKeys);\n\n            this.registerEventListeners();\n        };\n\n        /**\n         * @var {int} contextId\n         * @private\n         */\n        AddPurpose.prototype.contextId = 0;\n\n        /**\n         * @var {Promise}\n         * @private\n         */\n        AddPurpose.prototype.strings = 0;\n\n        AddPurpose.prototype.registerEventListeners = function() {\n\n            var trigger = $(SELECTORS.PURPOSE_LINK);\n            trigger.on('click', function() {\n                return this.strings.then(function(strings) {\n                    ModalFactory.create({\n                        type: ModalFactory.types.SAVE_CANCEL,\n                        title: strings[0],\n                        body: '',\n                    }, trigger).done(function(modal) {\n                        this.setupFormModal(modal, strings[1]);\n                    }.bind(this));\n                }.bind(this))\n                .fail(Notification.exception);\n            }.bind(this));\n\n        };\n\n        /**\n         * @method getBody\n         * @param {Object} formdata\n         * @private\n         * @return {Promise}\n         */\n        AddPurpose.prototype.getBody = function(formdata) {\n\n            var params = null;\n            if (typeof formdata !== \"undefined\") {\n                params = {jsonformdata: JSON.stringify(formdata)};\n            }\n            // Get the content of the modal.\n            return Fragment.loadFragment('tool_dataprivacy', 'addpurpose_form', this.contextId, params);\n        };\n\n        AddPurpose.prototype.setupFormModal = function(modal, saveText) {\n            modal.setLarge();\n\n            modal.setSaveButtonText(saveText);\n\n            // We want to reset the form every time it is opened.\n            modal.getRoot().on(ModalEvents.hidden, this.destroy.bind(this));\n\n            modal.setBody(this.getBody());\n\n            // We catch the modal save event, and use it to submit the form inside the modal.\n            // Triggering a form submission will give JS validation scripts a chance to check for errors.\n            modal.getRoot().on(ModalEvents.save, this.submitForm.bind(this));\n            // We also catch the form submit event and use it to submit the form with ajax.\n            modal.getRoot().on('submit', 'form', this.submitFormAjax.bind(this));\n\n            this.modal = modal;\n\n            modal.show();\n        };\n\n        /**\n         * This triggers a form submission, so that any mform elements can do final tricks before the form submission is processed.\n         *\n         * @method submitForm\n         * @param {Event} e Form submission event.\n         * @private\n         */\n        AddPurpose.prototype.submitForm = function(e) {\n            e.preventDefault();\n            this.modal.getRoot().find('form').submit();\n        };\n\n        AddPurpose.prototype.submitFormAjax = function(e) {\n            // We don't want to do a real form submission.\n            e.preventDefault();\n\n            // Convert all the form elements values to a serialised string.\n            var formData = this.modal.getRoot().find('form').serialize();\n\n            Ajax.call([{\n                methodname: 'tool_dataprivacy_create_purpose_form',\n                args: {jsonformdata: JSON.stringify(formData)},\n                done: function(data) {\n                    if (data.validationerrors) {\n                        this.modal.setBody(this.getBody(formData));\n                    } else {\n                        this.close();\n                    }\n                }.bind(this),\n\n                fail: Notification.exception\n            }]);\n        };\n\n        AddPurpose.prototype.close = function() {\n            this.destroy();\n            document.location.reload();\n        };\n\n        AddPurpose.prototype.destroy = function() {\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            this.modal.destroy();\n        };\n\n        AddPurpose.prototype.removeListeners = function() {\n            $(SELECTORS.PURPOSE_LINK).off('click');\n        };\n\n        return /** @alias module:tool_dataprivacy/add_purpose */ {\n            getInstance: function(contextId) {\n                return new AddPurpose(contextId);\n            }\n        };\n    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diff --git a/admin/tool/dataprivacy/amd/build/categoriesactions.min.js b/admin/tool/dataprivacy/amd/build/categoriesactions.min.js
index 0b47fca7d37..d42aea13599 100644
--- a/admin/tool/dataprivacy/amd/build/categoriesactions.min.js
+++ b/admin/tool/dataprivacy/amd/build/categoriesactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/categoriesactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f){var g={DELETE:"[data-action=\"deletecategory\"]"},h=function(){this.registerEvents()};h.prototype.registerEvents=function(){a(g.DELETE).click(function(g){g.preventDefault();var h=a(this).data("id"),i=a(this).data("name");d.get_strings([{key:"deletecategory",component:"tool_dataprivacy"},{key:"deletecategorytext",component:"tool_dataprivacy",param:i},{key:"delete"}]).then(function(d){var g=d[0],i=d[1],j=d[2];return e.create({title:g,body:i,type:e.types.SAVE_CANCEL}).then(function(d){d.setSaveButtonText(j);d.getRoot().on(f.save,function(){b.call([{methodname:"tool_dataprivacy_delete_category",args:{id:h}}])[0].done(function(b){if(b.result){a("tr[data-categoryid=\""+h+"\"]").remove()}else{c.addNotification({message:b.warnings[0].message,type:"error"})}}).fail(c.exception)});d.getRoot().on(f.hidden,function(){d.destroy()});return d})}).done(function(a){a.show()}).fail(c.exception)})};return{init:function init(){return new h}}});
-//# sourceMappingURL=categoriesactions.min.js.map
+/**
+ * AMD module for categories actions.
+ *
+ * @module     tool_dataprivacy/categoriesactions
+ * @package    tool_dataprivacy
+ * @copyright  2018 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/categoriesactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events"],(function($,Ajax,Notification,Str,ModalFactory,ModalEvents){var ACTIONS_DELETE='[data-action="deletecategory"]',CategoriesActions=function(){this.registerEvents()};return CategoriesActions.prototype.registerEvents=function(){$(ACTIONS_DELETE).click((function(e){e.preventDefault();var id=$(this).data("id"),stringkeys=[{key:"deletecategory",component:"tool_dataprivacy"},{key:"deletecategorytext",component:"tool_dataprivacy",param:$(this).data("name")},{key:"delete"}];Str.get_strings(stringkeys).then((function(langStrings){var title=langStrings[0],confirmMessage=langStrings[1],buttonText=langStrings[2];return ModalFactory.create({title:title,body:confirmMessage,type:ModalFactory.types.SAVE_CANCEL}).then((function(modal){return modal.setSaveButtonText(buttonText),modal.getRoot().on(ModalEvents.save,(function(){var request={methodname:"tool_dataprivacy_delete_category",args:{id:id}};Ajax.call([request])[0].done((function(data){data.result?$('tr[data-categoryid="'+id+'"]').remove():Notification.addNotification({message:data.warnings[0].message,type:"error"})})).fail(Notification.exception)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal}))})).done((function(modal){modal.show()})).fail(Notification.exception)}))},{init:function(){return new CategoriesActions}}}));
+
+//# sourceMappingURL=categoriesactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/categoriesactions.min.js.map b/admin/tool/dataprivacy/amd/build/categoriesactions.min.js.map
index b88fd11935e..881f0319c5b 100644
--- a/admin/tool/dataprivacy/amd/build/categoriesactions.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/categoriesactions.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for categories actions.\n *\n * @module     tool_dataprivacy/categoriesactions\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{DELETE: string}}\n     */\n    var ACTIONS = {\n        DELETE: '[data-action=\"deletecategory\"]',\n    };\n\n    /**\n     * CategoriesActions class.\n     */\n    var CategoriesActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    CategoriesActions.prototype.registerEvents = function() {\n        $(ACTIONS.DELETE).click(function(e) {\n            e.preventDefault();\n\n            var id = $(this).data('id');\n            var categoryname = $(this).data('name');\n            var stringkeys = [\n                {\n                    key: 'deletecategory',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'deletecategorytext',\n                    component: 'tool_dataprivacy',\n                    param: categoryname\n                },\n                {\n                    key: 'delete'\n                }\n            ];\n\n            Str.get_strings(stringkeys).then(function(langStrings) {\n                var title = langStrings[0];\n                var confirmMessage = langStrings[1];\n                var buttonText = langStrings[2];\n                return ModalFactory.create({\n                    title: title,\n                    body: confirmMessage,\n                    type: ModalFactory.types.SAVE_CANCEL\n                }).then(function(modal) {\n                    modal.setSaveButtonText(buttonText);\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function() {\n\n                        var request = {\n                            methodname: 'tool_dataprivacy_delete_category',\n                            args: {'id': id}\n                        };\n\n                        Ajax.call([request])[0].done(function(data) {\n                            if (data.result) {\n                                $('tr[data-categoryid=\"' + id + '\"]').remove();\n                            } else {\n                                Notification.addNotification({\n                                    message: data.warnings[0].message,\n                                    type: 'error'\n                                });\n                            }\n                        }).fail(Notification.exception);\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    return modal;\n                });\n            }).done(function(modal) {\n                modal.show();\n\n            }).fail(Notification.exception);\n        });\n    };\n\n    return /** @alias module:tool_dataprivacy/categoriesactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the module.\n         *\n         * @method init\n         * @return {CategoriesActions}\n         */\n        'init': function() {\n            return new CategoriesActions();\n        }\n    };\n});\n"],"file":"categoriesactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"categoriesactions.min.js","sources":["../src/categoriesactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for categories actions.\n *\n * @module     tool_dataprivacy/categoriesactions\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{DELETE: string}}\n     */\n    var ACTIONS = {\n        DELETE: '[data-action=\"deletecategory\"]',\n    };\n\n    /**\n     * CategoriesActions class.\n     */\n    var CategoriesActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    CategoriesActions.prototype.registerEvents = function() {\n        $(ACTIONS.DELETE).click(function(e) {\n            e.preventDefault();\n\n            var id = $(this).data('id');\n            var categoryname = $(this).data('name');\n            var stringkeys = [\n                {\n                    key: 'deletecategory',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'deletecategorytext',\n                    component: 'tool_dataprivacy',\n                    param: categoryname\n                },\n                {\n                    key: 'delete'\n                }\n            ];\n\n            Str.get_strings(stringkeys).then(function(langStrings) {\n                var title = langStrings[0];\n                var confirmMessage = langStrings[1];\n                var buttonText = langStrings[2];\n                return ModalFactory.create({\n                    title: title,\n                    body: confirmMessage,\n                    type: ModalFactory.types.SAVE_CANCEL\n                }).then(function(modal) {\n                    modal.setSaveButtonText(buttonText);\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function() {\n\n                        var request = {\n                            methodname: 'tool_dataprivacy_delete_category',\n                            args: {'id': id}\n                        };\n\n                        Ajax.call([request])[0].done(function(data) {\n                            if (data.result) {\n                                $('tr[data-categoryid=\"' + id + '\"]').remove();\n                            } else {\n                                Notification.addNotification({\n                                    message: data.warnings[0].message,\n                                    type: 'error'\n                                });\n                            }\n                        }).fail(Notification.exception);\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    return modal;\n                });\n            }).done(function(modal) {\n                modal.show();\n\n            }).fail(Notification.exception);\n        });\n    };\n\n    return /** @alias module:tool_dataprivacy/categoriesactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the module.\n         *\n         * @method init\n         * @return {CategoriesActions}\n         */\n        'init': function() {\n            return new CategoriesActions();\n        }\n    };\n});\n"],"names":["define","$","Ajax","Notification","Str","ModalFactory","ModalEvents","ACTIONS","CategoriesActions","registerEvents","prototype","click","e","preventDefault","id","this","data","stringkeys","key","component","param","get_strings","then","langStrings","title","confirmMessage","buttonText","create","body","type","types","SAVE_CANCEL","modal","setSaveButtonText","getRoot","on","save","request","methodname","args","call","done","result","remove","addNotification","message","warnings","fail","exception","hidden","destroy","show"],"mappings":";;;;;;;;AAuBAA,4CAAO,CACH,SACA,YACA,oBACA,WACA,qBACA,sBACJ,SAASC,EAAGC,KAAMC,aAAcC,IAAKC,aAAcC,iBAO3CC,eACQ,iCAMRC,kBAAoB,gBACfC,yBAMTD,kBAAkBE,UAAUD,eAAiB,WACzCR,EAAEM,gBAAgBI,OAAM,SAASC,GAC7BA,EAAEC,qBAEEC,GAAKb,EAAEc,MAAMC,KAAK,MAElBC,WAAa,CACb,CACIC,IAAK,iBACLC,UAAW,oBAEf,CACID,IAAK,qBACLC,UAAW,mBACXC,MATWnB,EAAEc,MAAMC,KAAK,SAW5B,CACIE,IAAK,WAIbd,IAAIiB,YAAYJ,YAAYK,MAAK,SAASC,iBAClCC,MAAQD,YAAY,GACpBE,eAAiBF,YAAY,GAC7BG,WAAaH,YAAY,UACtBlB,aAAasB,OAAO,CACvBH,MAAOA,MACPI,KAAMH,eACNI,KAAMxB,aAAayB,MAAMC,cAC1BT,MAAK,SAASU,cACbA,MAAMC,kBAAkBP,YAGxBM,MAAME,UAAUC,GAAG7B,YAAY8B,MAAM,eAE7BC,QAAU,CACVC,WAAY,mCACZC,KAAM,IAAOzB,KAGjBZ,KAAKsC,KAAK,CAACH,UAAU,GAAGI,MAAK,SAASzB,MAC9BA,KAAK0B,OACLzC,EAAE,uBAAyBa,GAAK,MAAM6B,SAEtCxC,aAAayC,gBAAgB,CACzBC,QAAS7B,KAAK8B,SAAS,GAAGD,QAC1BhB,KAAM,aAGfkB,KAAK5C,aAAa6C,cAIzBhB,MAAME,UAAUC,GAAG7B,YAAY2C,QAAQ,WAEnCjB,MAAMkB,aAGHlB,YAEZS,MAAK,SAAST,OACbA,MAAMmB,UAEPJ,KAAK5C,aAAa6C,eAIkC,MASnD,kBACG,IAAIxC"}
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diff --git a/admin/tool/dataprivacy/amd/build/data_deletion.min.js b/admin/tool/dataprivacy/amd/build/data_deletion.min.js
index fe2296d9825..dda2ea52346 100644
--- a/admin/tool/dataprivacy/amd/build/data_deletion.min.js
+++ b/admin/tool/dataprivacy/amd/build/data_deletion.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/data_deletion",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f){var g={MARK_FOR_DELETION:"[data-action=\"markfordeletion\"]",SELECT_ALL:"[data-action=\"selectall\"]"},h={SELECTCONTEXT:".selectcontext"},i=function(){this.registerEvents()};i.prototype.registerEvents=function(){a(g.MARK_FOR_DELETION).click(function(b){b.preventDefault();var c=[];a(h.SELECTCONTEXT).each(function(){var b=a(this);if(b.is(":checked")){c.push(b.val())}});j(c)});a(g.SELECT_ALL).change(function(b){b.preventDefault();var c=a(this);if(c.is(":checked")){a(h.SELECTCONTEXT).attr("checked","checked")}else{a(h.SELECTCONTEXT).removeAttr("checked")}})};function j(a){var g="";d.get_strings([{key:"confirm",component:"moodle"},{key:"confirmcontextdeletion",component:"tool_dataprivacy"}]).then(function(a){g=a[0];var b=a[1];return e.create({title:g,body:b,type:e.types.SAVE_CANCEL})}).then(function(d){d.setSaveButtonText(g);d.getRoot().on(f.save,function(){b.call([{methodname:"tool_dataprivacy_confirm_contexts_for_deletion",args:{ids:a}}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)});d.getRoot().on(f.hidden,function(){d.destroy()});return d}).done(function(a){a.show()}).fail(c.exception)}return i});
-//# sourceMappingURL=data_deletion.min.js.map
+/**
+ * Request actions.
+ *
+ * @module     tool_dataprivacy/data_deletion
+ * @package    tool_dataprivacy
+ * @copyright  2018 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/data_deletion",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events"],(function($,Ajax,Notification,Str,ModalFactory,ModalEvents){var ACTIONS_MARK_FOR_DELETION='[data-action="markfordeletion"]',ACTIONS_SELECT_ALL='[data-action="selectall"]',SELECTORS_SELECTCONTEXT=".selectcontext",DataDeletionActions=function(){this.registerEvents()};return DataDeletionActions.prototype.registerEvents=function(){$(ACTIONS_MARK_FOR_DELETION).click((function(e){e.preventDefault();var ids,keys,wsfunction,modalTitle,selectedIds=[];$(SELECTORS_SELECTCONTEXT).each((function(){var checkbox=$(this);checkbox.is(":checked")&&selectedIds.push(checkbox.val())})),ids=selectedIds,keys=[{key:"confirm",component:"moodle"},{key:"confirmcontextdeletion",component:"tool_dataprivacy"}],wsfunction="tool_dataprivacy_confirm_contexts_for_deletion",modalTitle="",Str.get_strings(keys).then((function(langStrings){modalTitle=langStrings[0];var confirmMessage=langStrings[1];return ModalFactory.create({title:modalTitle,body:confirmMessage,type:ModalFactory.types.SAVE_CANCEL})})).then((function(modal){return modal.setSaveButtonText(modalTitle),modal.getRoot().on(ModalEvents.save,(function(){var request={methodname:wsfunction,args:{ids:ids}};Ajax.call([request])[0].done((function(data){data.result?window.location.reload():Notification.addNotification({message:data.warnings[0].message,type:"error"})})).fail(Notification.exception)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal})).done((function(modal){modal.show()})).fail(Notification.exception)})),$(ACTIONS_SELECT_ALL).change((function(e){e.preventDefault(),$(this).is(":checked")?$(SELECTORS_SELECTCONTEXT).attr("checked","checked"):$(SELECTORS_SELECTCONTEXT).removeAttr("checked")}))},DataDeletionActions}));
+
+//# sourceMappingURL=data_deletion.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/data_deletion.min.js.map b/admin/tool/dataprivacy/amd/build/data_deletion.min.js.map
index 6933bcc4cf9..479feb0d39b 100644
--- a/admin/tool/dataprivacy/amd/build/data_deletion.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/data_deletion.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/data_deletion.js"],"names":["define","$","Ajax","Notification","Str","ModalFactory","ModalEvents","ACTIONS","MARK_FOR_DELETION","SELECT_ALL","SELECTORS","SELECTCONTEXT","DataDeletionActions","registerEvents","prototype","click","e","preventDefault","selectedIds","each","checkbox","is","push","val","showConfirmation","change","selectallnone","attr","removeAttr","ids","modalTitle","get_strings","key","component","then","langStrings","confirmMessage","create","title","body","type","types","SAVE_CANCEL","modal","setSaveButtonText","getRoot","on","save","call","methodname","args","done","data","result","window","location","reload","addNotification","message","warnings","fail","exception","hidden","destroy","show"],"mappings":"AAuBAA,OAAM,kCAAC,CACH,QADG,CAEH,WAFG,CAGH,mBAHG,CAIH,UAJG,CAKH,oBALG,CAMH,mBANG,CAAD,CAON,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAgCC,CAAhC,CAAqCC,CAArC,CAAmDC,CAAnD,CAAgE,IAQxDC,CAAAA,CAAO,CAAG,CACVC,iBAAiB,CAAE,mCADT,CAEVC,UAAU,CAAE,6BAFF,CAR8C,CAkBxDC,CAAS,CAAG,CACZC,aAAa,CAAE,gBADH,CAlB4C,CAyBxDC,CAAmB,CAAG,UAAW,CACjC,KAAKC,cAAL,EACH,CA3B2D,CAgC5DD,CAAmB,CAACE,SAApB,CAA8BD,cAA9B,CAA+C,UAAW,CACtDZ,CAAC,CAACM,CAAO,CAACC,iBAAT,CAAD,CAA6BO,KAA7B,CAAmC,SAASC,CAAT,CAAY,CAC3CA,CAAC,CAACC,cAAF,GAEA,GAAIC,CAAAA,CAAW,CAAG,EAAlB,CACAjB,CAAC,CAACS,CAAS,CAACC,aAAX,CAAD,CAA2BQ,IAA3B,CAAgC,UAAW,CACvC,GAAIC,CAAAA,CAAQ,CAAGnB,CAAC,CAAC,IAAD,CAAhB,CACA,GAAImB,CAAQ,CAACC,EAAT,CAAY,UAAZ,CAAJ,CAA6B,CACzBH,CAAW,CAACI,IAAZ,CAAiBF,CAAQ,CAACG,GAAT,EAAjB,CACH,CACJ,CALD,EAMAC,CAAgB,CAACN,CAAD,CACnB,CAXD,EAaAjB,CAAC,CAACM,CAAO,CAACE,UAAT,CAAD,CAAsBgB,MAAtB,CAA6B,SAAST,CAAT,CAAY,CACrCA,CAAC,CAACC,cAAF,GAEA,GAAIS,CAAAA,CAAa,CAAGzB,CAAC,CAAC,IAAD,CAArB,CACA,GAAIyB,CAAa,CAACL,EAAd,CAAiB,UAAjB,CAAJ,CAAkC,CAC9BpB,CAAC,CAACS,CAAS,CAACC,aAAX,CAAD,CAA2BgB,IAA3B,CAAgC,SAAhC,CAA2C,SAA3C,CACH,CAFD,IAEO,CACH1B,CAAC,CAACS,CAAS,CAACC,aAAX,CAAD,CAA2BiB,UAA3B,CAAsC,SAAtC,CACH,CACJ,CATD,CAUH,CAxBD,CA+BA,QAASJ,CAAAA,CAAT,CAA0BK,CAA1B,CAA+B,IAavBC,CAAAA,CAAU,CAAG,EAbU,CAc3B1B,CAAG,CAAC2B,WAAJ,CAbW,CACP,CACIC,GAAG,CAAE,SADT,CAEIC,SAAS,CAAE,QAFf,CADO,CAKP,CACID,GAAG,CAAE,wBADT,CAEIC,SAAS,CAAE,kBAFf,CALO,CAaX,EAAsBC,IAAtB,CAA2B,SAASC,CAAT,CAAsB,CAC7CL,CAAU,CAAGK,CAAW,CAAC,CAAD,CAAxB,CACA,GAAIC,CAAAA,CAAc,CAAGD,CAAW,CAAC,CAAD,CAAhC,CACA,MAAO9B,CAAAA,CAAY,CAACgC,MAAb,CAAoB,CACvBC,KAAK,CAAER,CADgB,CAEvBS,IAAI,CAAEH,CAFiB,CAGvBI,IAAI,CAAEnC,CAAY,CAACoC,KAAb,CAAmBC,WAHF,CAApB,CAKV,CARD,EAQGR,IARH,CAQQ,SAASS,CAAT,CAAgB,CACpBA,CAAK,CAACC,iBAAN,CAAwBd,CAAxB,EAGAa,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmBxC,CAAW,CAACyC,IAA/B,CAAqC,UAAW,CAW5C7C,CAAI,CAAC8C,IAAL,CAAU,CALI,CACVC,UAAU,CAtBL,gDAqBK,CAEVC,IAAI,CANK,CACT,IAAOrB,CADE,CAIC,CAKJ,CAAV,EAAqB,CAArB,EAAwBsB,IAAxB,CAA6B,SAASC,CAAT,CAAe,CACxC,GAAIA,CAAI,CAACC,MAAT,CAAiB,CACbC,MAAM,CAACC,QAAP,CAAgBC,MAAhB,EACH,CAFD,IAEO,CACHrD,CAAY,CAACsD,eAAb,CAA6B,CACzBC,OAAO,CAAEN,CAAI,CAACO,QAAL,CAAc,CAAd,EAAiBD,OADD,CAEzBlB,IAAI,CAAE,OAFmB,CAA7B,CAIH,CACJ,CATD,EASGoB,IATH,CASQzD,CAAY,CAAC0D,SATrB,CAUH,CArBD,EAwBAlB,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmBxC,CAAW,CAACwD,MAA/B,CAAuC,UAAW,CAE9CnB,CAAK,CAACoB,OAAN,EACH,CAHD,EAKA,MAAOpB,CAAAA,CACV,CA1CD,EA0CGQ,IA1CH,CA0CQ,SAASR,CAAT,CAAgB,CACpBA,CAAK,CAACqB,IAAN,EACH,CA5CD,EA4CGJ,IA5CH,CA4CQzD,CAAY,CAAC0D,SA5CrB,CA6CH,CAED,MAAOjD,CAAAA,CACV,CApIK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Request actions.\n *\n * @module     tool_dataprivacy/data_deletion\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{MARK_FOR_DELETION: string}}\n     * @type {{SELECT_ALL: string}}\n     */\n    var ACTIONS = {\n        MARK_FOR_DELETION: '[data-action=\"markfordeletion\"]',\n        SELECT_ALL: '[data-action=\"selectall\"]',\n    };\n\n    /**\n     * List of selectors.\n     *\n     * @type {{SELECTCONTEXT: string}}\n     */\n    var SELECTORS = {\n        SELECTCONTEXT: '.selectcontext',\n    };\n\n    /**\n     * DataDeletionActions class.\n     */\n    var DataDeletionActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    DataDeletionActions.prototype.registerEvents = function() {\n        $(ACTIONS.MARK_FOR_DELETION).click(function(e) {\n            e.preventDefault();\n\n            var selectedIds = [];\n            $(SELECTORS.SELECTCONTEXT).each(function() {\n                var checkbox = $(this);\n                if (checkbox.is(':checked')) {\n                    selectedIds.push(checkbox.val());\n                }\n            });\n            showConfirmation(selectedIds);\n        });\n\n        $(ACTIONS.SELECT_ALL).change(function(e) {\n            e.preventDefault();\n\n            var selectallnone = $(this);\n            if (selectallnone.is(':checked')) {\n                $(SELECTORS.SELECTCONTEXT).attr('checked', 'checked');\n            } else {\n                $(SELECTORS.SELECTCONTEXT).removeAttr('checked');\n            }\n        });\n    };\n\n    /**\n     * Show the confirmation dialogue.\n     *\n     * @param {Array} ids The array of expired context record IDs.\n     */\n    function showConfirmation(ids) {\n        var keys = [\n            {\n                key: 'confirm',\n                component: 'moodle'\n            },\n            {\n                key: 'confirmcontextdeletion',\n                component: 'tool_dataprivacy'\n            }\n        ];\n        var wsfunction = 'tool_dataprivacy_confirm_contexts_for_deletion';\n\n        var modalTitle = '';\n        Str.get_strings(keys).then(function(langStrings) {\n            modalTitle = langStrings[0];\n            var confirmMessage = langStrings[1];\n            return ModalFactory.create({\n                title: modalTitle,\n                body: confirmMessage,\n                type: ModalFactory.types.SAVE_CANCEL\n            });\n        }).then(function(modal) {\n            modal.setSaveButtonText(modalTitle);\n\n            // Handle save event.\n            modal.getRoot().on(ModalEvents.save, function() {\n                // Confirm the request.\n                var params = {\n                    'ids': ids\n                };\n\n                var request = {\n                    methodname: wsfunction,\n                    args: params\n                };\n\n                Ajax.call([request])[0].done(function(data) {\n                    if (data.result) {\n                        window.location.reload();\n                    } else {\n                        Notification.addNotification({\n                            message: data.warnings[0].message,\n                            type: 'error'\n                        });\n                    }\n                }).fail(Notification.exception);\n            });\n\n            // Handle hidden event.\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Destroy when hidden.\n                modal.destroy();\n            });\n\n            return modal;\n        }).done(function(modal) {\n            modal.show();\n        }).fail(Notification.exception);\n    }\n\n    return DataDeletionActions;\n});\n"],"file":"data_deletion.min.js"}
\ No newline at end of file
+{"version":3,"file":"data_deletion.min.js","sources":["../src/data_deletion.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Request actions.\n *\n * @module     tool_dataprivacy/data_deletion\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{MARK_FOR_DELETION: string}}\n     * @type {{SELECT_ALL: string}}\n     */\n    var ACTIONS = {\n        MARK_FOR_DELETION: '[data-action=\"markfordeletion\"]',\n        SELECT_ALL: '[data-action=\"selectall\"]',\n    };\n\n    /**\n     * List of selectors.\n     *\n     * @type {{SELECTCONTEXT: string}}\n     */\n    var SELECTORS = {\n        SELECTCONTEXT: '.selectcontext',\n    };\n\n    /**\n     * DataDeletionActions class.\n     */\n    var DataDeletionActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    DataDeletionActions.prototype.registerEvents = function() {\n        $(ACTIONS.MARK_FOR_DELETION).click(function(e) {\n            e.preventDefault();\n\n            var selectedIds = [];\n            $(SELECTORS.SELECTCONTEXT).each(function() {\n                var checkbox = $(this);\n                if (checkbox.is(':checked')) {\n                    selectedIds.push(checkbox.val());\n                }\n            });\n            showConfirmation(selectedIds);\n        });\n\n        $(ACTIONS.SELECT_ALL).change(function(e) {\n            e.preventDefault();\n\n            var selectallnone = $(this);\n            if (selectallnone.is(':checked')) {\n                $(SELECTORS.SELECTCONTEXT).attr('checked', 'checked');\n            } else {\n                $(SELECTORS.SELECTCONTEXT).removeAttr('checked');\n            }\n        });\n    };\n\n    /**\n     * Show the confirmation dialogue.\n     *\n     * @param {Array} ids The array of expired context record IDs.\n     */\n    function showConfirmation(ids) {\n        var keys = [\n            {\n                key: 'confirm',\n                component: 'moodle'\n            },\n            {\n                key: 'confirmcontextdeletion',\n                component: 'tool_dataprivacy'\n            }\n        ];\n        var wsfunction = 'tool_dataprivacy_confirm_contexts_for_deletion';\n\n        var modalTitle = '';\n        Str.get_strings(keys).then(function(langStrings) {\n            modalTitle = langStrings[0];\n            var confirmMessage = langStrings[1];\n            return ModalFactory.create({\n                title: modalTitle,\n                body: confirmMessage,\n                type: ModalFactory.types.SAVE_CANCEL\n            });\n        }).then(function(modal) {\n            modal.setSaveButtonText(modalTitle);\n\n            // Handle save event.\n            modal.getRoot().on(ModalEvents.save, function() {\n                // Confirm the request.\n                var params = {\n                    'ids': ids\n                };\n\n                var request = {\n                    methodname: wsfunction,\n                    args: params\n                };\n\n                Ajax.call([request])[0].done(function(data) {\n                    if (data.result) {\n                        window.location.reload();\n                    } else {\n                        Notification.addNotification({\n                            message: data.warnings[0].message,\n                            type: 'error'\n                        });\n                    }\n                }).fail(Notification.exception);\n            });\n\n            // Handle hidden event.\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Destroy when hidden.\n                modal.destroy();\n            });\n\n            return modal;\n        }).done(function(modal) {\n            modal.show();\n        }).fail(Notification.exception);\n    }\n\n    return 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diff --git a/admin/tool/dataprivacy/amd/build/data_registry.min.js b/admin/tool/dataprivacy/amd/build/data_registry.min.js
index 85868edb04a..03218440146 100644
--- a/admin/tool/dataprivacy/amd/build/data_registry.min.js
+++ b/admin/tool/dataprivacy/amd/build/data_registry.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/data_registry",["jquery","core/str","core/ajax","core/notification","core/templates","core/modal_factory","core/modal_events","core/fragment","tool_dataprivacy/add_purpose","tool_dataprivacy/add_category"],function(a,b,c,d,e,f,g,h,i,j){var k={TREE_NODES:"[data-context-tree-node=1]",FORM_CONTAINER:"#context-form-container"},l=function(a,b,c){this.systemContextId=a;this.currentContextLevel=b;this.currentContextId=c;this.init()};l.prototype.systemContextId=0;l.prototype.currentContextLevel=0;l.prototype.currentContextId=0;l.prototype.addpurpose=null;l.prototype.addcategory=null;l.prototype.init=function(){this.addpurpose=i.getInstance(this.systemContextId);this.addcategory=j.getInstance(this.systemContextId);this.strings=b.get_strings([{key:"changessaved",component:"moodle"},{key:"contextpurposecategorysaved",component:"tool_dataprivacy"},{key:"noblockstoload",component:"tool_dataprivacy"},{key:"noactivitiestoload",component:"tool_dataprivacy"},{key:"nocoursestoload",component:"tool_dataprivacy"}]);this.registerEventListeners();if(this.currentContextId){this.loadForm("context_form",[this.currentContextId],this.submitContextFormAjax.bind(this))}else{this.loadForm("contextlevel_form",[this.currentContextLevel],this.submitContextLevelFormAjax.bind(this))}};l.prototype.registerEventListeners=function(){a(k.TREE_NODES).on("click",function(b){b.preventDefault();var c=a(b.currentTarget);a(k.TREE_NODES).removeClass("active");c.addClass("active");var d=c.data("contextlevel"),e=c.data("contextid");if(d){window.history.pushState({},null,"?contextlevel="+d);this.addpurpose.removeListeners();this.addcategory.removeListeners();this.currentContextLevel=d;this.loadForm("contextlevel_form",[this.currentContextLevel],this.submitContextLevelFormAjax.bind(this))}else if(e){window.history.pushState({},null,"?contextid="+e);this.addpurpose.removeListeners();this.addcategory.removeListeners();this.currentContextId=e;this.loadForm("context_form",[this.currentContextId],this.submitContextFormAjax.bind(this))}else{var f=c.data("expandcontextid"),g=c.data("expandelement"),h=c.data("expanded");if(g){if(!h){if(c.data("loaded")||!f||!g){this.expand(c)}else{c.find("> i").removeClass("fa-plus");c.find("> i").addClass("fa-circle-o-notch fa-spin");this.loadExtra(c,f,g)}}else{this.collapse(c)}}}}.bind(this))};l.prototype.removeListeners=function(){a(k.TREE_NODES).off("click")};l.prototype.loadForm=function(b,c,f){this.clearForm();var g=h.loadFragment("tool_dataprivacy",b,this.systemContextId,c);g.done(function(b,c){a(k.FORM_CONTAINER).html(b);e.runTemplateJS(c);this.addpurpose.registerEventListeners();this.addcategory.registerEventListeners();a(k.FORM_CONTAINER).on("submit","form",f)}.bind(this)).fail(d.exception)};l.prototype.clearForm=function(){Y.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.reset_form_dirty_state()});a(k.FORM_CONTAINER).off("submit","form")};l.prototype.submitForm=function(b){b.preventDefault();a(k.FORM_CONTAINER).find("form").submit()};l.prototype.submitContextLevelFormAjax=function(a){this.submitFormAjax(a,"tool_dataprivacy_set_contextlevel_form")};l.prototype.submitContextFormAjax=function(a){this.submitFormAjax(a,"tool_dataprivacy_set_context_form")};l.prototype.submitFormAjax=function(b,e){b.preventDefault();var f=a(k.FORM_CONTAINER).find("form").serialize();return this.strings.then(function(a){c.call([{methodname:e,args:{jsonformdata:JSON.stringify(f)},done:function done(){d.alert(a[0],a[1])},fail:d.exception}])}).catch(d.exception)};l.prototype.loadExtra=function(a,b,f){c.call([{methodname:"tool_dataprivacy_tree_extra_branches",args:{contextid:b,element:f},done:function(b){if(0==b.branches.length){this.noElements(a,f);return}e.render("tool_dataprivacy/context_tree_branches",b).then(function(b){a.after(b);this.removeListeners();this.registerEventListeners();this.expand(a);a.data("loaded",1)}.bind(this)).fail(d.exception)}.bind(this),fail:d.exception}])};l.prototype.noElements=function(a,b){a.data("expandcontextid","");a.data("expandelement","");this.strings.then(function(c){var d=2;if("module"==b){d=3}else if("course"==b){d=4}a.text(c[d])}).fail(d.exception)};l.prototype.collapse=function(a){a.data("expanded",0);a.siblings("nav").addClass("hidden");a.find("> i").removeClass("fa-minus");a.find("> i").addClass("fa-plus")};l.prototype.expand=function(a){a.data("expanded",1);a.siblings("nav").removeClass("hidden");a.find("> i").removeClass("fa-plus");a.find("> i").removeClass("fa-circle-o-notch fa-spin");a.find("> i").addClass("fa-minus")};return{init:function init(a,b,c){return new l(a,b,c)}}});
-//# sourceMappingURL=data_registry.min.js.map
+/**
+ * Request actions.
+ *
+ * @module     tool_dataprivacy/data_registry
+ * @package    tool_dataprivacy
+ * @copyright  2018 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/data_registry",["jquery","core/str","core/ajax","core/notification","core/templates","core/modal_factory","core/modal_events","core/fragment","tool_dataprivacy/add_purpose","tool_dataprivacy/add_category"],(function($,Str,Ajax,Notification,Templates,ModalFactory,ModalEvents,Fragment,AddPurpose,AddCategory){var SELECTORS_TREE_NODES="[data-context-tree-node=1]",SELECTORS_FORM_CONTAINER="#context-form-container",DataRegistry=function(systemContextId,initContextLevel,initContextId){this.systemContextId=systemContextId,this.currentContextLevel=initContextLevel,this.currentContextId=initContextId,this.init()};return DataRegistry.prototype.systemContextId=0,DataRegistry.prototype.currentContextLevel=0,DataRegistry.prototype.currentContextId=0,DataRegistry.prototype.addpurpose=null,DataRegistry.prototype.addcategory=null,DataRegistry.prototype.init=function(){this.addpurpose=AddPurpose.getInstance(this.systemContextId),this.addcategory=AddCategory.getInstance(this.systemContextId);this.strings=Str.get_strings([{key:"changessaved",component:"moodle"},{key:"contextpurposecategorysaved",component:"tool_dataprivacy"},{key:"noblockstoload",component:"tool_dataprivacy"},{key:"noactivitiestoload",component:"tool_dataprivacy"},{key:"nocoursestoload",component:"tool_dataprivacy"}]),this.registerEventListeners(),this.currentContextId?this.loadForm("context_form",[this.currentContextId],this.submitContextFormAjax.bind(this)):this.loadForm("contextlevel_form",[this.currentContextLevel],this.submitContextLevelFormAjax.bind(this))},DataRegistry.prototype.registerEventListeners=function(){$(SELECTORS_TREE_NODES).on("click",function(ev){ev.preventDefault();var trigger=$(ev.currentTarget);$(SELECTORS_TREE_NODES).removeClass("active"),trigger.addClass("active");var contextLevel=trigger.data("contextlevel"),contextId=trigger.data("contextid");if(contextLevel)window.history.pushState({},null,"?contextlevel="+contextLevel),this.addpurpose.removeListeners(),this.addcategory.removeListeners(),this.currentContextLevel=contextLevel,this.loadForm("contextlevel_form",[this.currentContextLevel],this.submitContextLevelFormAjax.bind(this));else if(contextId)window.history.pushState({},null,"?contextid="+contextId),this.addpurpose.removeListeners(),this.addcategory.removeListeners(),this.currentContextId=contextId,this.loadForm("context_form",[this.currentContextId],this.submitContextFormAjax.bind(this));else{var expandContextId=trigger.data("expandcontextid"),expandElement=trigger.data("expandelement"),expanded=trigger.data("expanded");expandElement&&(expanded?this.collapse(trigger):!trigger.data("loaded")&&expandContextId&&expandElement?(trigger.find("> i").removeClass("fa-plus"),trigger.find("> i").addClass("fa-circle-o-notch fa-spin"),this.loadExtra(trigger,expandContextId,expandElement)):this.expand(trigger))}}.bind(this))},DataRegistry.prototype.removeListeners=function(){$(SELECTORS_TREE_NODES).off("click")},DataRegistry.prototype.loadForm=function(fragmentName,fragmentArgs,formSubmitCallback){this.clearForm(),Fragment.loadFragment("tool_dataprivacy",fragmentName,this.systemContextId,fragmentArgs).done(function(html,js){$(SELECTORS_FORM_CONTAINER).html(html),Templates.runTemplateJS(js),this.addpurpose.registerEventListeners(),this.addcategory.registerEventListeners(),$(SELECTORS_FORM_CONTAINER).on("submit","form",formSubmitCallback)}.bind(this)).fail(Notification.exception)},DataRegistry.prototype.clearForm=function(){Y.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.reset_form_dirty_state()})),$(SELECTORS_FORM_CONTAINER).off("submit","form")},DataRegistry.prototype.submitForm=function(e){e.preventDefault(),$(SELECTORS_FORM_CONTAINER).find("form").submit()},DataRegistry.prototype.submitContextLevelFormAjax=function(e){this.submitFormAjax(e,"tool_dataprivacy_set_contextlevel_form")},DataRegistry.prototype.submitContextFormAjax=function(e){this.submitFormAjax(e,"tool_dataprivacy_set_context_form")},DataRegistry.prototype.submitFormAjax=function(e,saveMethodName){e.preventDefault();var formData=$(SELECTORS_FORM_CONTAINER).find("form").serialize();return this.strings.then((function(strings){Ajax.call([{methodname:saveMethodName,args:{jsonformdata:JSON.stringify(formData)},done:function(){Notification.alert(strings[0],strings[1])},fail:Notification.exception}])})).catch(Notification.exception)},DataRegistry.prototype.loadExtra=function(parentNode,expandContextId,expandElement){Ajax.call([{methodname:"tool_dataprivacy_tree_extra_branches",args:{contextid:expandContextId,element:expandElement},done:function(data){0!=data.branches.length?Templates.render("tool_dataprivacy/context_tree_branches",data).then(function(html){parentNode.after(html),this.removeListeners(),this.registerEventListeners(),this.expand(parentNode),parentNode.data("loaded",1)}.bind(this)).fail(Notification.exception):this.noElements(parentNode,expandElement)}.bind(this),fail:Notification.exception}])},DataRegistry.prototype.noElements=function(node,expandElement){node.data("expandcontextid",""),node.data("expandelement",""),this.strings.then((function(strings){var key=2;"module"==expandElement?key=3:"course"==expandElement&&(key=4),node.text(strings[key])})).fail(Notification.exception)},DataRegistry.prototype.collapse=function(node){node.data("expanded",0),node.siblings("nav").addClass("hidden"),node.find("> i").removeClass("fa-minus"),node.find("> i").addClass("fa-plus")},DataRegistry.prototype.expand=function(node){node.data("expanded",1),node.siblings("nav").removeClass("hidden"),node.find("> i").removeClass("fa-plus"),node.find("> i").removeClass("fa-circle-o-notch fa-spin"),node.find("> i").addClass("fa-minus")},{init:function(systemContextId,initContextLevel,initContextId){return new DataRegistry(systemContextId,initContextLevel,initContextId)}}}));
+
+//# sourceMappingURL=data_registry.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/data_registry.min.js.map b/admin/tool/dataprivacy/amd/build/data_registry.min.js.map
index eb4269ab174..4a0e8700c71 100644
--- a/admin/tool/dataprivacy/amd/build/data_registry.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/data_registry.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Request actions.\n *\n * @module     tool_dataprivacy/data_registry\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/ajax', 'core/notification', 'core/templates', 'core/modal_factory',\n    'core/modal_events', 'core/fragment', 'tool_dataprivacy/add_purpose', 'tool_dataprivacy/add_category'],\n    function($, Str, Ajax, Notification, Templates, ModalFactory, ModalEvents, Fragment, AddPurpose, AddCategory) {\n\n        var SELECTORS = {\n            TREE_NODES: '[data-context-tree-node=1]',\n            FORM_CONTAINER: '#context-form-container',\n        };\n\n        var DataRegistry = function(systemContextId, initContextLevel, initContextId) {\n            this.systemContextId = systemContextId;\n            this.currentContextLevel = initContextLevel;\n            this.currentContextId = initContextId;\n            this.init();\n        };\n\n        /**\n         * @var {int} systemContextId\n         * @private\n         */\n        DataRegistry.prototype.systemContextId = 0;\n\n        /**\n         * @var {int} currentContextLevel\n         * @private\n         */\n        DataRegistry.prototype.currentContextLevel = 0;\n\n        /**\n         * @var {int} currentContextId\n         * @private\n         */\n        DataRegistry.prototype.currentContextId = 0;\n\n        /**\n         * @var {AddPurpose} addpurpose\n         * @private\n         */\n        DataRegistry.prototype.addpurpose = null;\n\n        /**\n         * @var {AddCategory} addcategory\n         * @private\n         */\n        DataRegistry.prototype.addcategory = null;\n\n        DataRegistry.prototype.init = function() {\n            // Add purpose and category modals always at system context.\n            this.addpurpose = AddPurpose.getInstance(this.systemContextId);\n            this.addcategory = AddCategory.getInstance(this.systemContextId);\n\n            var stringKeys = [\n                {\n                    key: 'changessaved',\n                    component: 'moodle'\n                }, {\n                    key: 'contextpurposecategorysaved',\n                    component: 'tool_dataprivacy'\n                }, {\n                    key: 'noblockstoload',\n                    component: 'tool_dataprivacy'\n                }, {\n                    key: 'noactivitiestoload',\n                    component: 'tool_dataprivacy'\n                }, {\n                    key: 'nocoursestoload',\n                    component: 'tool_dataprivacy'\n                }\n            ];\n            this.strings = Str.get_strings(stringKeys);\n\n            this.registerEventListeners();\n\n            // Load the default context level form.\n            if (this.currentContextId) {\n                this.loadForm('context_form', [this.currentContextId], this.submitContextFormAjax.bind(this));\n            } else {\n                this.loadForm('contextlevel_form', [this.currentContextLevel], this.submitContextLevelFormAjax.bind(this));\n            }\n        };\n\n        DataRegistry.prototype.registerEventListeners = function() {\n            $(SELECTORS.TREE_NODES).on('click', function(ev) {\n                ev.preventDefault();\n\n                var trigger = $(ev.currentTarget);\n\n                // Active node.\n                $(SELECTORS.TREE_NODES).removeClass('active');\n                trigger.addClass('active');\n\n                var contextLevel = trigger.data('contextlevel');\n                var contextId = trigger.data('contextid');\n                if (contextLevel) {\n                    // Context level level.\n\n                    window.history.pushState({}, null, '?contextlevel=' + contextLevel);\n\n                    // Remove previous add purpose and category listeners to avoid memory leaks.\n                    this.addpurpose.removeListeners();\n                    this.addcategory.removeListeners();\n\n                    // Load the context level form.\n                    this.currentContextLevel = contextLevel;\n                    this.loadForm('contextlevel_form', [this.currentContextLevel], this.submitContextLevelFormAjax.bind(this));\n                } else if (contextId) {\n                    // Context instance level.\n\n                    window.history.pushState({}, null, '?contextid=' + contextId);\n\n                    // Remove previous add purpose and category listeners to avoid memory leaks.\n                    this.addpurpose.removeListeners();\n                    this.addcategory.removeListeners();\n\n                    // Load the context level form.\n                    this.currentContextId = contextId;\n                    this.loadForm('context_form', [this.currentContextId], this.submitContextFormAjax.bind(this));\n                } else {\n                    // Expandable nodes.\n\n                    var expandContextId = trigger.data('expandcontextid');\n                    var expandElement = trigger.data('expandelement');\n                    var expanded = trigger.data('expanded');\n\n                    // Extra checking that there is an expandElement because we remove it after loading 0 branches.\n                    if (expandElement) {\n\n                        if (!expanded) {\n                            if (trigger.data('loaded') || !expandContextId || !expandElement) {\n                                this.expand(trigger);\n                            } else {\n\n                                trigger.find('> i').removeClass('fa-plus');\n                                trigger.find('> i').addClass('fa-circle-o-notch fa-spin');\n                                this.loadExtra(trigger, expandContextId, expandElement);\n                            }\n                        } else {\n                            this.collapse(trigger);\n                        }\n                    }\n                }\n\n            }.bind(this));\n        };\n\n        DataRegistry.prototype.removeListeners = function() {\n            $(SELECTORS.TREE_NODES).off('click');\n        };\n\n        DataRegistry.prototype.loadForm = function(fragmentName, fragmentArgs, formSubmitCallback) {\n\n            this.clearForm();\n\n            var fragment = Fragment.loadFragment('tool_dataprivacy', fragmentName, this.systemContextId, fragmentArgs);\n            fragment.done(function(html, js) {\n\n                $(SELECTORS.FORM_CONTAINER).html(html);\n                Templates.runTemplateJS(js);\n\n                this.addpurpose.registerEventListeners();\n                this.addcategory.registerEventListeners();\n\n                // We also catch the form submit event and use it to submit the form with ajax.\n                $(SELECTORS.FORM_CONTAINER).on('submit', 'form', formSubmitCallback);\n\n            }.bind(this)).fail(Notification.exception);\n        };\n\n        DataRegistry.prototype.clearForm = function() {\n            // For the previously loaded form.\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n\n            // Remove previous listeners.\n            $(SELECTORS.FORM_CONTAINER).off('submit', 'form');\n        };\n\n        /**\n         * This triggers a form submission, so that any mform elements can do final tricks before the form submission is processed.\n         *\n         * @method submitForm\n         * @param {Event} e Form submission event.\n         * @private\n         */\n        DataRegistry.prototype.submitForm = function(e) {\n            e.preventDefault();\n            $(SELECTORS.FORM_CONTAINER).find('form').submit();\n        };\n\n        DataRegistry.prototype.submitContextLevelFormAjax = function(e) {\n            this.submitFormAjax(e, 'tool_dataprivacy_set_contextlevel_form');\n        };\n\n        DataRegistry.prototype.submitContextFormAjax = function(e) {\n            this.submitFormAjax(e, 'tool_dataprivacy_set_context_form');\n        };\n\n        DataRegistry.prototype.submitFormAjax = function(e, saveMethodName) {\n            // We don't want to do a real form submission.\n            e.preventDefault();\n\n            // Convert all the form elements values to a serialised string.\n            var formData = $(SELECTORS.FORM_CONTAINER).find('form').serialize();\n            return this.strings.then(function(strings) {\n                Ajax.call([{\n                    methodname: saveMethodName,\n                    args: {jsonformdata: JSON.stringify(formData)},\n                    done: function() {\n                        Notification.alert(strings[0], strings[1]);\n                    },\n                    fail: Notification.exception\n                }]);\n                return;\n            }).catch(Notification.exception);\n\n        };\n\n        DataRegistry.prototype.loadExtra = function(parentNode, expandContextId, expandElement) {\n\n            Ajax.call([{\n                methodname: 'tool_dataprivacy_tree_extra_branches',\n                args: {\n                    contextid: expandContextId,\n                    element: expandElement,\n                },\n                done: function(data) {\n                    if (data.branches.length == 0) {\n                        this.noElements(parentNode, expandElement);\n                        return;\n                    }\n                    Templates.render('tool_dataprivacy/context_tree_branches', data)\n                        .then(function(html) {\n                            parentNode.after(html);\n                            this.removeListeners();\n                            this.registerEventListeners();\n                            this.expand(parentNode);\n                            parentNode.data('loaded', 1);\n                            return;\n                        }.bind(this))\n                        .fail(Notification.exception);\n                }.bind(this),\n                fail: Notification.exception\n            }]);\n        };\n\n        DataRegistry.prototype.noElements = function(node, expandElement) {\n            node.data('expandcontextid', '');\n            node.data('expandelement', '');\n            this.strings.then(function(strings) {\n\n                // 2 = blocks, 3 = activities, 4 = courses (although courses is not likely really).\n                var key = 2;\n                if (expandElement == 'module') {\n                    key = 3;\n                } else if (expandElement == 'course') {\n                    key = 4;\n                }\n                node.text(strings[key]);\n                return;\n            }).fail(Notification.exception);\n        };\n\n        DataRegistry.prototype.collapse = function(node) {\n            node.data('expanded', 0);\n            node.siblings('nav').addClass('hidden');\n            node.find('> i').removeClass('fa-minus');\n            node.find('> i').addClass('fa-plus');\n        };\n\n        DataRegistry.prototype.expand = function(node) {\n            node.data('expanded', 1);\n            node.siblings('nav').removeClass('hidden');\n            node.find('> i').removeClass('fa-plus');\n            // Also remove the spinning one if data was just loaded.\n            node.find('> i').removeClass('fa-circle-o-notch fa-spin');\n            node.find('> i').addClass('fa-minus');\n        };\n        return /** @alias module:tool_dataprivacy/data_registry */ {\n\n            /**\n             * Initialise the page.\n             *\n             * @param {Number} systemContextId\n             * @param {Number} initContextLevel\n             * @param {Number} initContextId\n             * @return {DataRegistry}\n             */\n            init: function(systemContextId, initContextLevel, initContextId) {\n                return new DataRegistry(systemContextId, initContextLevel, initContextId);\n            }\n        };\n    }\n);\n\n"],"file":"data_registry.min.js"}
\ No newline at end of file
+{"version":3,"file":"data_registry.min.js","sources":["../src/data_registry.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Request actions.\n *\n * @module     tool_dataprivacy/data_registry\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/ajax', 'core/notification', 'core/templates', 'core/modal_factory',\n    'core/modal_events', 'core/fragment', 'tool_dataprivacy/add_purpose', 'tool_dataprivacy/add_category'],\n    function($, Str, Ajax, Notification, Templates, ModalFactory, ModalEvents, Fragment, AddPurpose, AddCategory) {\n\n        var SELECTORS = {\n            TREE_NODES: '[data-context-tree-node=1]',\n            FORM_CONTAINER: '#context-form-container',\n        };\n\n        var DataRegistry = function(systemContextId, initContextLevel, initContextId) {\n            this.systemContextId = systemContextId;\n            this.currentContextLevel = initContextLevel;\n            this.currentContextId = initContextId;\n            this.init();\n        };\n\n        /**\n         * @var {int} systemContextId\n         * @private\n         */\n        DataRegistry.prototype.systemContextId = 0;\n\n        /**\n         * @var {int} currentContextLevel\n         * @private\n         */\n        DataRegistry.prototype.currentContextLevel = 0;\n\n        /**\n         * @var {int} currentContextId\n         * @private\n         */\n        DataRegistry.prototype.currentContextId = 0;\n\n        /**\n         * @var {AddPurpose} addpurpose\n         * @private\n         */\n        DataRegistry.prototype.addpurpose = null;\n\n        /**\n         * @var {AddCategory} addcategory\n         * @private\n         */\n        DataRegistry.prototype.addcategory = null;\n\n        DataRegistry.prototype.init = function() {\n            // Add purpose and category modals always at system context.\n            this.addpurpose = AddPurpose.getInstance(this.systemContextId);\n            this.addcategory = AddCategory.getInstance(this.systemContextId);\n\n            var stringKeys = [\n                {\n                    key: 'changessaved',\n                    component: 'moodle'\n                }, {\n                    key: 'contextpurposecategorysaved',\n                    component: 'tool_dataprivacy'\n                }, {\n                    key: 'noblockstoload',\n                    component: 'tool_dataprivacy'\n                }, {\n                    key: 'noactivitiestoload',\n                    component: 'tool_dataprivacy'\n                }, {\n                    key: 'nocoursestoload',\n                    component: 'tool_dataprivacy'\n                }\n            ];\n            this.strings = Str.get_strings(stringKeys);\n\n            this.registerEventListeners();\n\n            // Load the default context level form.\n            if (this.currentContextId) {\n                this.loadForm('context_form', [this.currentContextId], this.submitContextFormAjax.bind(this));\n            } else {\n                this.loadForm('contextlevel_form', [this.currentContextLevel], this.submitContextLevelFormAjax.bind(this));\n            }\n        };\n\n        DataRegistry.prototype.registerEventListeners = function() {\n            $(SELECTORS.TREE_NODES).on('click', function(ev) {\n                ev.preventDefault();\n\n                var trigger = $(ev.currentTarget);\n\n                // Active node.\n                $(SELECTORS.TREE_NODES).removeClass('active');\n                trigger.addClass('active');\n\n                var contextLevel = trigger.data('contextlevel');\n                var contextId = trigger.data('contextid');\n                if (contextLevel) {\n                    // Context level level.\n\n                    window.history.pushState({}, null, '?contextlevel=' + contextLevel);\n\n                    // Remove previous add purpose and category listeners to avoid memory leaks.\n                    this.addpurpose.removeListeners();\n                    this.addcategory.removeListeners();\n\n                    // Load the context level form.\n                    this.currentContextLevel = contextLevel;\n                    this.loadForm('contextlevel_form', [this.currentContextLevel], this.submitContextLevelFormAjax.bind(this));\n                } else if (contextId) {\n                    // Context instance level.\n\n                    window.history.pushState({}, null, '?contextid=' + contextId);\n\n                    // Remove previous add purpose and category listeners to avoid memory leaks.\n                    this.addpurpose.removeListeners();\n                    this.addcategory.removeListeners();\n\n                    // Load the context level form.\n                    this.currentContextId = contextId;\n                    this.loadForm('context_form', [this.currentContextId], this.submitContextFormAjax.bind(this));\n                } else {\n                    // Expandable nodes.\n\n                    var expandContextId = trigger.data('expandcontextid');\n                    var expandElement = trigger.data('expandelement');\n                    var expanded = trigger.data('expanded');\n\n                    // Extra checking that there is an expandElement because we remove it after loading 0 branches.\n                    if (expandElement) {\n\n                        if (!expanded) {\n                            if (trigger.data('loaded') || !expandContextId || !expandElement) {\n                                this.expand(trigger);\n                            } else {\n\n                                trigger.find('> i').removeClass('fa-plus');\n                                trigger.find('> i').addClass('fa-circle-o-notch fa-spin');\n                                this.loadExtra(trigger, expandContextId, expandElement);\n                            }\n                        } else {\n                            this.collapse(trigger);\n                        }\n                    }\n                }\n\n            }.bind(this));\n        };\n\n        DataRegistry.prototype.removeListeners = function() {\n            $(SELECTORS.TREE_NODES).off('click');\n        };\n\n        DataRegistry.prototype.loadForm = function(fragmentName, fragmentArgs, formSubmitCallback) {\n\n            this.clearForm();\n\n            var fragment = Fragment.loadFragment('tool_dataprivacy', fragmentName, this.systemContextId, fragmentArgs);\n            fragment.done(function(html, js) {\n\n                $(SELECTORS.FORM_CONTAINER).html(html);\n                Templates.runTemplateJS(js);\n\n                this.addpurpose.registerEventListeners();\n                this.addcategory.registerEventListeners();\n\n                // We also catch the form submit event and use it to submit the form with ajax.\n                $(SELECTORS.FORM_CONTAINER).on('submit', 'form', formSubmitCallback);\n\n            }.bind(this)).fail(Notification.exception);\n        };\n\n        DataRegistry.prototype.clearForm = function() {\n            // For the previously loaded form.\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n\n            // Remove previous listeners.\n            $(SELECTORS.FORM_CONTAINER).off('submit', 'form');\n        };\n\n        /**\n         * This triggers a form submission, so that any mform elements can do final tricks before the form submission is processed.\n         *\n         * @method submitForm\n         * @param {Event} e Form submission event.\n         * @private\n         */\n        DataRegistry.prototype.submitForm = function(e) {\n            e.preventDefault();\n            $(SELECTORS.FORM_CONTAINER).find('form').submit();\n        };\n\n        DataRegistry.prototype.submitContextLevelFormAjax = function(e) {\n            this.submitFormAjax(e, 'tool_dataprivacy_set_contextlevel_form');\n        };\n\n        DataRegistry.prototype.submitContextFormAjax = function(e) {\n            this.submitFormAjax(e, 'tool_dataprivacy_set_context_form');\n        };\n\n        DataRegistry.prototype.submitFormAjax = function(e, saveMethodName) {\n            // We don't want to do a real form submission.\n            e.preventDefault();\n\n            // Convert all the form elements values to a serialised string.\n            var formData = $(SELECTORS.FORM_CONTAINER).find('form').serialize();\n            return this.strings.then(function(strings) {\n                Ajax.call([{\n                    methodname: saveMethodName,\n                    args: {jsonformdata: JSON.stringify(formData)},\n                    done: function() {\n                        Notification.alert(strings[0], strings[1]);\n                    },\n                    fail: Notification.exception\n                }]);\n                return;\n            }).catch(Notification.exception);\n\n        };\n\n        DataRegistry.prototype.loadExtra = function(parentNode, expandContextId, expandElement) {\n\n            Ajax.call([{\n                methodname: 'tool_dataprivacy_tree_extra_branches',\n                args: {\n                    contextid: expandContextId,\n                    element: expandElement,\n                },\n                done: function(data) {\n                    if (data.branches.length == 0) {\n                        this.noElements(parentNode, expandElement);\n                        return;\n                    }\n                    Templates.render('tool_dataprivacy/context_tree_branches', data)\n                        .then(function(html) {\n                            parentNode.after(html);\n                            this.removeListeners();\n                            this.registerEventListeners();\n                            this.expand(parentNode);\n                            parentNode.data('loaded', 1);\n                            return;\n                        }.bind(this))\n                        .fail(Notification.exception);\n                }.bind(this),\n                fail: Notification.exception\n            }]);\n        };\n\n        DataRegistry.prototype.noElements = function(node, expandElement) {\n            node.data('expandcontextid', '');\n            node.data('expandelement', '');\n            this.strings.then(function(strings) {\n\n                // 2 = blocks, 3 = activities, 4 = courses (although courses is not likely really).\n                var key = 2;\n                if (expandElement == 'module') {\n                    key = 3;\n                } else if (expandElement == 'course') {\n                    key = 4;\n                }\n                node.text(strings[key]);\n                return;\n            }).fail(Notification.exception);\n        };\n\n        DataRegistry.prototype.collapse = function(node) {\n            node.data('expanded', 0);\n            node.siblings('nav').addClass('hidden');\n            node.find('> i').removeClass('fa-minus');\n            node.find('> i').addClass('fa-plus');\n        };\n\n        DataRegistry.prototype.expand = function(node) {\n            node.data('expanded', 1);\n            node.siblings('nav').removeClass('hidden');\n            node.find('> i').removeClass('fa-plus');\n            // Also remove the spinning one if data was just loaded.\n            node.find('> i').removeClass('fa-circle-o-notch fa-spin');\n            node.find('> i').addClass('fa-minus');\n        };\n        return /** @alias module:tool_dataprivacy/data_registry */ {\n\n            /**\n             * Initialise the page.\n             *\n             * @param {Number} systemContextId\n             * @param {Number} initContextLevel\n             * @param {Number} initContextId\n             * @return {DataRegistry}\n             */\n            init: function(systemContextId, initContextLevel, initContextId) {\n                return new DataRegistry(systemContextId, initContextLevel, initContextId);\n            }\n        };\n    }\n);\n\n"],"names":["define","$","Str","Ajax","Notification","Templates","ModalFactory","ModalEvents","Fragment","AddPurpose","AddCategory","SELECTORS","DataRegistry","systemContextId","initContextLevel","initContextId","currentContextLevel","currentContextId","init","prototype","addpurpose","addcategory","getInstance","this","strings","get_strings","key","component","registerEventListeners","loadForm","submitContextFormAjax","bind","submitContextLevelFormAjax","on","ev","preventDefault","trigger","currentTarget","removeClass","addClass","contextLevel","data","contextId","window","history","pushState","removeListeners","expandContextId","expandElement","expanded","collapse","find","loadExtra","expand","off","fragmentName","fragmentArgs","formSubmitCallback","clearForm","loadFragment","done","html","js","runTemplateJS","fail","exception","Y","use","M","core_formchangechecker","reset_form_dirty_state","submitForm","e","submit","submitFormAjax","saveMethodName","formData","serialize","then","call","methodname","args","jsonformdata","JSON","stringify","alert","catch","parentNode","contextid","element","branches","length","render","after","noElements","node","text","siblings"],"mappings":";;;;;;;;AAuBAA,wCAAO,CAAC,SAAU,WAAY,YAAa,oBAAqB,iBAAkB,qBAC9E,oBAAqB,gBAAiB,+BAAgC,kCACtE,SAASC,EAAGC,IAAKC,KAAMC,aAAcC,UAAWC,aAAcC,YAAaC,SAAUC,WAAYC,iBAEzFC,qBACY,6BADZA,yBAEgB,0BAGhBC,aAAe,SAASC,gBAAiBC,iBAAkBC,oBACtDF,gBAAkBA,qBAClBG,oBAAsBF,sBACtBG,iBAAmBF,mBACnBG,eAOTN,aAAaO,UAAUN,gBAAkB,EAMzCD,aAAaO,UAAUH,oBAAsB,EAM7CJ,aAAaO,UAAUF,iBAAmB,EAM1CL,aAAaO,UAAUC,WAAa,KAMpCR,aAAaO,UAAUE,YAAc,KAErCT,aAAaO,UAAUD,KAAO,gBAErBE,WAAaX,WAAWa,YAAYC,KAAKV,sBACzCQ,YAAcX,YAAYY,YAAYC,KAAKV,sBAoB3CW,QAAUtB,IAAIuB,YAlBF,CACb,CACIC,IAAK,eACLC,UAAW,UACZ,CACCD,IAAK,8BACLC,UAAW,oBACZ,CACCD,IAAK,iBACLC,UAAW,oBACZ,CACCD,IAAK,qBACLC,UAAW,oBACZ,CACCD,IAAK,kBACLC,UAAW,2BAKdC,yBAGDL,KAAKN,sBACAY,SAAS,eAAgB,CAACN,KAAKN,kBAAmBM,KAAKO,sBAAsBC,KAAKR,YAElFM,SAAS,oBAAqB,CAACN,KAAKP,qBAAsBO,KAAKS,2BAA2BD,KAAKR,QAI5GX,aAAaO,UAAUS,uBAAyB,WAC5C3B,EAAEU,sBAAsBsB,GAAG,QAAS,SAASC,IACzCA,GAAGC,qBAECC,QAAUnC,EAAEiC,GAAGG,eAGnBpC,EAAEU,sBAAsB2B,YAAY,UACpCF,QAAQG,SAAS,cAEbC,aAAeJ,QAAQK,KAAK,gBAC5BC,UAAYN,QAAQK,KAAK,gBACzBD,aAGAG,OAAOC,QAAQC,UAAU,GAAI,KAAM,iBAAmBL,mBAGjDpB,WAAW0B,uBACXzB,YAAYyB,uBAGZ9B,oBAAsBwB,kBACtBX,SAAS,oBAAqB,CAACN,KAAKP,qBAAsBO,KAAKS,2BAA2BD,KAAKR,YACjG,GAAImB,UAGPC,OAAOC,QAAQC,UAAU,GAAI,KAAM,cAAgBH,gBAG9CtB,WAAW0B,uBACXzB,YAAYyB,uBAGZ7B,iBAAmByB,eACnBb,SAAS,eAAgB,CAACN,KAAKN,kBAAmBM,KAAKO,sBAAsBC,KAAKR,WACpF,KAGCwB,gBAAkBX,QAAQK,KAAK,mBAC/BO,cAAgBZ,QAAQK,KAAK,iBAC7BQ,SAAWb,QAAQK,KAAK,YAGxBO,gBAEKC,cAUIC,SAASd,UATVA,QAAQK,KAAK,WAAcM,iBAAoBC,eAI/CZ,QAAQe,KAAK,OAAOb,YAAY,WAChCF,QAAQe,KAAK,OAAOZ,SAAS,kCACxBa,UAAUhB,QAASW,gBAAiBC,qBALpCK,OAAOjB,YAa9BL,KAAKR,QAGXX,aAAaO,UAAU2B,gBAAkB,WACrC7C,EAAEU,sBAAsB2C,IAAI,UAGhC1C,aAAaO,UAAUU,SAAW,SAAS0B,aAAcC,aAAcC,yBAE9DC,YAEUlD,SAASmD,aAAa,mBAAoBJ,aAAchC,KAAKV,gBAAiB2C,cACpFI,KAAK,SAASC,KAAMC,IAEzB7D,EAAEU,0BAA0BkD,KAAKA,MACjCxD,UAAU0D,cAAcD,SAEnB1C,WAAWQ,8BACXP,YAAYO,yBAGjB3B,EAAEU,0BAA0BsB,GAAG,SAAU,OAAQwB,qBAEnD1B,KAAKR,OAAOyC,KAAK5D,aAAa6D,YAGpCrD,aAAaO,UAAUuC,UAAY,WAE/BQ,EAAEC,IAAI,iCAAiC,WACnCC,EAAEC,uBAAuBC,4BAI7BrE,EAAEU,0BAA0B2C,IAAI,SAAU,SAU9C1C,aAAaO,UAAUoD,WAAa,SAASC,GACzCA,EAAErC,iBACFlC,EAAEU,0BAA0BwC,KAAK,QAAQsB,UAG7C7D,aAAaO,UAAUa,2BAA6B,SAASwC,QACpDE,eAAeF,EAAG,2CAG3B5D,aAAaO,UAAUW,sBAAwB,SAAS0C,QAC/CE,eAAeF,EAAG,sCAG3B5D,aAAaO,UAAUuD,eAAiB,SAASF,EAAGG,gBAEhDH,EAAErC,qBAGEyC,SAAW3E,EAAEU,0BAA0BwC,KAAK,QAAQ0B,mBACjDtD,KAAKC,QAAQsD,MAAK,SAAStD,SAC9BrB,KAAK4E,KAAK,CAAC,CACPC,WAAYL,eACZM,KAAM,CAACC,aAAcC,KAAKC,UAAUR,WACpChB,KAAM,WACFxD,aAAaiF,MAAM7D,QAAQ,GAAIA,QAAQ,KAE3CwC,KAAM5D,aAAa6D,gBAGxBqB,MAAMlF,aAAa6D,YAI1BrD,aAAaO,UAAUiC,UAAY,SAASmC,WAAYxC,gBAAiBC,eAErE7C,KAAK4E,KAAK,CAAC,CACPC,WAAY,uCACZC,KAAM,CACFO,UAAWzC,gBACX0C,QAASzC,eAEbY,KAAM,SAASnB,MACiB,GAAxBA,KAAKiD,SAASC,OAIlBtF,UAAUuF,OAAO,yCAA0CnD,MACtDqC,KAAK,SAASjB,MACX0B,WAAWM,MAAMhC,WACZf,uBACAlB,8BACAyB,OAAOkC,YACZA,WAAW9C,KAAK,SAAU,IAE5BV,KAAKR,OACNyC,KAAK5D,aAAa6D,gBAZd6B,WAAWP,WAAYvC,gBAalCjB,KAAKR,MACPyC,KAAM5D,aAAa6D,cAI3BrD,aAAaO,UAAU2E,WAAa,SAASC,KAAM/C,eAC/C+C,KAAKtD,KAAK,kBAAmB,IAC7BsD,KAAKtD,KAAK,gBAAiB,SACtBjB,QAAQsD,MAAK,SAAStD,aAGnBE,IAAM,EACW,UAAjBsB,cACAtB,IAAM,EACkB,UAAjBsB,gBACPtB,IAAM,GAEVqE,KAAKC,KAAKxE,QAAQE,SAEnBsC,KAAK5D,aAAa6D,YAGzBrD,aAAaO,UAAU+B,SAAW,SAAS6C,MACvCA,KAAKtD,KAAK,WAAY,GACtBsD,KAAKE,SAAS,OAAO1D,SAAS,UAC9BwD,KAAK5C,KAAK,OAAOb,YAAY,YAC7ByD,KAAK5C,KAAK,OAAOZ,SAAS,YAG9B3B,aAAaO,UAAUkC,OAAS,SAAS0C,MACrCA,KAAKtD,KAAK,WAAY,GACtBsD,KAAKE,SAAS,OAAO3D,YAAY,UACjCyD,KAAK5C,KAAK,OAAOb,YAAY,WAE7ByD,KAAK5C,KAAK,OAAOb,YAAY,6BAC7ByD,KAAK5C,KAAK,OAAOZ,SAAS,aAE6B,CAUvDrB,KAAM,SAASL,gBAAiBC,iBAAkBC,sBACvC,IAAIH,aAAaC,gBAAiBC,iBAAkBC"}
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diff --git a/admin/tool/dataprivacy/amd/build/data_request_modal.min.js b/admin/tool/dataprivacy/amd/build/data_request_modal.min.js
index 2027d4408fd..7f98bac5fdc 100644
--- a/admin/tool/dataprivacy/amd/build/data_request_modal.min.js
+++ b/admin/tool/dataprivacy/amd/build/data_request_modal.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/data_request_modal",["jquery","core/notification","core/custom_interaction_events","core/modal","core/modal_registry","tool_dataprivacy/events"],function(a,b,c,d,e,f){var g=!1,h={APPROVE_BUTTON:"[data-action=\"approve\"]",DENY_BUTTON:"[data-action=\"deny\"]",COMPLETE_BUTTON:"[data-action=\"complete\"]"},i=function(a){d.call(this,a)};i.TYPE="tool_dataprivacy-data_request";i.prototype=Object.create(d.prototype);i.prototype.constructor=i;i.prototype.registerEventListeners=function(){d.prototype.registerEventListeners.call(this);this.getModal().on(c.events.activate,h.APPROVE_BUTTON,function(b,c){var d=a.Event(f.approve);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){this.hide();c.originalEvent.preventDefault()}}.bind(this));this.getModal().on(c.events.activate,h.DENY_BUTTON,function(b,c){var d=a.Event(f.deny);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){this.hide();c.originalEvent.preventDefault()}}.bind(this));this.getModal().on(c.events.activate,h.COMPLETE_BUTTON,function(b,c){var d=a.Event(f.complete);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){this.hide();c.originalEvent.preventDefault()}}.bind(this))};if(!g){e.register(i.TYPE,i,"tool_dataprivacy/data_request_modal");g=!0}return i});
-//# sourceMappingURL=data_request_modal.min.js.map
+/**
+ * Request actions.
+ *
+ * @module     tool_dataprivacy/data_request_modal
+ * @package    tool_dataprivacy
+ * @copyright  2018 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/data_request_modal",["jquery","core/notification","core/custom_interaction_events","core/modal","core/modal_registry","tool_dataprivacy/events"],(function($,Notification,CustomEvents,Modal,ModalRegistry,DataPrivacyEvents){var registered=!1,SELECTORS_APPROVE_BUTTON='[data-action="approve"]',SELECTORS_DENY_BUTTON='[data-action="deny"]',SELECTORS_COMPLETE_BUTTON='[data-action="complete"]',ModalDataRequest=function(root){Modal.call(this,root)};return ModalDataRequest.TYPE="tool_dataprivacy-data_request",(ModalDataRequest.prototype=Object.create(Modal.prototype)).constructor=ModalDataRequest,ModalDataRequest.prototype.registerEventListeners=function(){Modal.prototype.registerEventListeners.call(this),this.getModal().on(CustomEvents.events.activate,SELECTORS_APPROVE_BUTTON,function(e,data){var approveEvent=$.Event(DataPrivacyEvents.approve);this.getRoot().trigger(approveEvent,this),approveEvent.isDefaultPrevented()||(this.hide(),data.originalEvent.preventDefault())}.bind(this)),this.getModal().on(CustomEvents.events.activate,SELECTORS_DENY_BUTTON,function(e,data){var denyEvent=$.Event(DataPrivacyEvents.deny);this.getRoot().trigger(denyEvent,this),denyEvent.isDefaultPrevented()||(this.hide(),data.originalEvent.preventDefault())}.bind(this)),this.getModal().on(CustomEvents.events.activate,SELECTORS_COMPLETE_BUTTON,function(e,data){var completeEvent=$.Event(DataPrivacyEvents.complete);this.getRoot().trigger(completeEvent,this),completeEvent.isDefaultPrevented()||(this.hide(),data.originalEvent.preventDefault())}.bind(this))},registered||(ModalRegistry.register(ModalDataRequest.TYPE,ModalDataRequest,"tool_dataprivacy/data_request_modal"),registered=!0),ModalDataRequest}));
+
+//# sourceMappingURL=data_request_modal.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/data_request_modal.min.js.map b/admin/tool/dataprivacy/amd/build/data_request_modal.min.js.map
index ee4933aa76a..1f52e1cf7cd 100644
--- a/admin/tool/dataprivacy/amd/build/data_request_modal.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/data_request_modal.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/data_request_modal.js"],"names":["define","$","Notification","CustomEvents","Modal","ModalRegistry","DataPrivacyEvents","registered","SELECTORS","APPROVE_BUTTON","DENY_BUTTON","COMPLETE_BUTTON","ModalDataRequest","root","call","TYPE","prototype","Object","create","constructor","registerEventListeners","getModal","on","events","activate","e","data","approveEvent","Event","approve","getRoot","trigger","isDefaultPrevented","hide","originalEvent","preventDefault","bind","denyEvent","deny","completeEvent","complete","register"],"mappings":"AAuBAA,OAAM,uCAAC,CAAC,QAAD,CAAW,mBAAX,CAAgC,gCAAhC,CAAkE,YAAlE,CAAgF,qBAAhF,CACC,yBADD,CAAD,CAEF,SAASC,CAAT,CAAYC,CAAZ,CAA0BC,CAA1B,CAAwCC,CAAxC,CAA+CC,CAA/C,CAA8DC,CAA9D,CAAiF,IAEzEC,CAAAA,CAAU,GAF+D,CAGzEC,CAAS,CAAG,CACZC,cAAc,CAAE,2BADJ,CAEZC,WAAW,CAAE,wBAFD,CAGZC,eAAe,CAAE,4BAHL,CAH6D,CAczEC,CAAgB,CAAG,SAASC,CAAT,CAAe,CAClCT,CAAK,CAACU,IAAN,CAAW,IAAX,CAAiBD,CAAjB,CACH,CAhB4E,CAkB7ED,CAAgB,CAACG,IAAjB,CAAwB,+BAAxB,CACAH,CAAgB,CAACI,SAAjB,CAA6BC,MAAM,CAACC,MAAP,CAAcd,CAAK,CAACY,SAApB,CAA7B,CACAJ,CAAgB,CAACI,SAAjB,CAA2BG,WAA3B,CAAyCP,CAAzC,CAOAA,CAAgB,CAACI,SAAjB,CAA2BI,sBAA3B,CAAoD,UAAW,CAE3DhB,CAAK,CAACY,SAAN,CAAgBI,sBAAhB,CAAuCN,IAAvC,CAA4C,IAA5C,EAEA,KAAKO,QAAL,GAAgBC,EAAhB,CAAmBnB,CAAY,CAACoB,MAAb,CAAoBC,QAAvC,CAAiDhB,CAAS,CAACC,cAA3D,CAA2E,SAASgB,CAAT,CAAYC,CAAZ,CAAkB,CACzF,GAAIC,CAAAA,CAAY,CAAG1B,CAAC,CAAC2B,KAAF,CAAQtB,CAAiB,CAACuB,OAA1B,CAAnB,CACA,KAAKC,OAAL,GAAeC,OAAf,CAAuBJ,CAAvB,CAAqC,IAArC,EAEA,GAAI,CAACA,CAAY,CAACK,kBAAb,EAAL,CAAwC,CACpC,KAAKC,IAAL,GACAP,CAAI,CAACQ,aAAL,CAAmBC,cAAnB,EACH,CACJ,CAR0E,CAQzEC,IARyE,CAQpE,IARoE,CAA3E,EAUA,KAAKf,QAAL,GAAgBC,EAAhB,CAAmBnB,CAAY,CAACoB,MAAb,CAAoBC,QAAvC,CAAiDhB,CAAS,CAACE,WAA3D,CAAwE,SAASe,CAAT,CAAYC,CAAZ,CAAkB,CACtF,GAAIW,CAAAA,CAAS,CAAGpC,CAAC,CAAC2B,KAAF,CAAQtB,CAAiB,CAACgC,IAA1B,CAAhB,CACA,KAAKR,OAAL,GAAeC,OAAf,CAAuBM,CAAvB,CAAkC,IAAlC,EAEA,GAAI,CAACA,CAAS,CAACL,kBAAV,EAAL,CAAqC,CACjC,KAAKC,IAAL,GACAP,CAAI,CAACQ,aAAL,CAAmBC,cAAnB,EACH,CACJ,CARuE,CAQtEC,IARsE,CAQjE,IARiE,CAAxE,EAUA,KAAKf,QAAL,GAAgBC,EAAhB,CAAmBnB,CAAY,CAACoB,MAAb,CAAoBC,QAAvC,CAAiDhB,CAAS,CAACG,eAA3D,CAA4E,SAASc,CAAT,CAAYC,CAAZ,CAAkB,CAC1F,GAAIa,CAAAA,CAAa,CAAGtC,CAAC,CAAC2B,KAAF,CAAQtB,CAAiB,CAACkC,QAA1B,CAApB,CACA,KAAKV,OAAL,GAAeC,OAAf,CAAuBQ,CAAvB,CAAsC,IAAtC,EAEA,GAAI,CAACA,CAAa,CAACP,kBAAd,EAAL,CAAyC,CACrC,KAAKC,IAAL,GACAP,CAAI,CAACQ,aAAL,CAAmBC,cAAnB,EACH,CACJ,CAR2E,CAQ1EC,IAR0E,CAQrE,IARqE,CAA5E,CASH,CAjCD,CAqCA,GAAI,CAAC7B,CAAL,CAAiB,CACbF,CAAa,CAACoC,QAAd,CAAuB7B,CAAgB,CAACG,IAAxC,CAA8CH,CAA9C,CAAgE,qCAAhE,EACAL,CAAU,GACb,CAED,MAAOK,CAAAA,CACV,CAxEC,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Request actions.\n *\n * @module     tool_dataprivacy/data_request_modal\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/notification', 'core/custom_interaction_events', 'core/modal', 'core/modal_registry',\n        'tool_dataprivacy/events'],\n    function($, Notification, CustomEvents, Modal, ModalRegistry, DataPrivacyEvents) {\n\n        var registered = false;\n        var SELECTORS = {\n            APPROVE_BUTTON: '[data-action=\"approve\"]',\n            DENY_BUTTON: '[data-action=\"deny\"]',\n            COMPLETE_BUTTON: '[data-action=\"complete\"]'\n        };\n\n        /**\n         * Constructor for the Modal.\n         *\n         * @param {object} root The root jQuery element for the modal\n         */\n        var ModalDataRequest = function(root) {\n            Modal.call(this, root);\n        };\n\n        ModalDataRequest.TYPE = 'tool_dataprivacy-data_request';\n        ModalDataRequest.prototype = Object.create(Modal.prototype);\n        ModalDataRequest.prototype.constructor = ModalDataRequest;\n\n        /**\n         * Set up all of the event handling for the modal.\n         *\n         * @method registerEventListeners\n         */\n        ModalDataRequest.prototype.registerEventListeners = function() {\n            // Apply parent event listeners.\n            Modal.prototype.registerEventListeners.call(this);\n\n            this.getModal().on(CustomEvents.events.activate, SELECTORS.APPROVE_BUTTON, function(e, data) {\n                var approveEvent = $.Event(DataPrivacyEvents.approve);\n                this.getRoot().trigger(approveEvent, this);\n\n                if (!approveEvent.isDefaultPrevented()) {\n                    this.hide();\n                    data.originalEvent.preventDefault();\n                }\n            }.bind(this));\n\n            this.getModal().on(CustomEvents.events.activate, SELECTORS.DENY_BUTTON, function(e, data) {\n                var denyEvent = $.Event(DataPrivacyEvents.deny);\n                this.getRoot().trigger(denyEvent, this);\n\n                if (!denyEvent.isDefaultPrevented()) {\n                    this.hide();\n                    data.originalEvent.preventDefault();\n                }\n            }.bind(this));\n\n            this.getModal().on(CustomEvents.events.activate, SELECTORS.COMPLETE_BUTTON, function(e, data) {\n                var completeEvent = $.Event(DataPrivacyEvents.complete);\n                this.getRoot().trigger(completeEvent, this);\n\n                if (!completeEvent.isDefaultPrevented()) {\n                    this.hide();\n                    data.originalEvent.preventDefault();\n                }\n            }.bind(this));\n        };\n\n        // Automatically register with the modal registry the first time this module is imported so that you can create modals\n        // of this type using the modal factory.\n        if (!registered) {\n            ModalRegistry.register(ModalDataRequest.TYPE, ModalDataRequest, 'tool_dataprivacy/data_request_modal');\n            registered = true;\n        }\n\n        return ModalDataRequest;\n    });"],"file":"data_request_modal.min.js"}
\ No newline at end of file
+{"version":3,"file":"data_request_modal.min.js","sources":["../src/data_request_modal.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Request actions.\n *\n * @module     tool_dataprivacy/data_request_modal\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/notification', 'core/custom_interaction_events', 'core/modal', 'core/modal_registry',\n        'tool_dataprivacy/events'],\n    function($, Notification, CustomEvents, Modal, ModalRegistry, DataPrivacyEvents) {\n\n        var registered = false;\n        var SELECTORS = {\n            APPROVE_BUTTON: '[data-action=\"approve\"]',\n            DENY_BUTTON: '[data-action=\"deny\"]',\n            COMPLETE_BUTTON: '[data-action=\"complete\"]'\n        };\n\n        /**\n         * Constructor for the Modal.\n         *\n         * @param {object} root The root jQuery element for the modal\n         */\n        var ModalDataRequest = function(root) {\n            Modal.call(this, root);\n        };\n\n        ModalDataRequest.TYPE = 'tool_dataprivacy-data_request';\n        ModalDataRequest.prototype = Object.create(Modal.prototype);\n        ModalDataRequest.prototype.constructor = ModalDataRequest;\n\n        /**\n         * Set up all of the event handling for the modal.\n         *\n         * @method registerEventListeners\n         */\n        ModalDataRequest.prototype.registerEventListeners = function() {\n            // Apply parent event listeners.\n            Modal.prototype.registerEventListeners.call(this);\n\n            this.getModal().on(CustomEvents.events.activate, SELECTORS.APPROVE_BUTTON, function(e, data) {\n                var approveEvent = $.Event(DataPrivacyEvents.approve);\n                this.getRoot().trigger(approveEvent, this);\n\n                if (!approveEvent.isDefaultPrevented()) {\n                    this.hide();\n                    data.originalEvent.preventDefault();\n                }\n            }.bind(this));\n\n            this.getModal().on(CustomEvents.events.activate, SELECTORS.DENY_BUTTON, function(e, data) {\n                var denyEvent = $.Event(DataPrivacyEvents.deny);\n                this.getRoot().trigger(denyEvent, this);\n\n                if (!denyEvent.isDefaultPrevented()) {\n                    this.hide();\n                    data.originalEvent.preventDefault();\n                }\n            }.bind(this));\n\n            this.getModal().on(CustomEvents.events.activate, SELECTORS.COMPLETE_BUTTON, function(e, data) {\n                var completeEvent = $.Event(DataPrivacyEvents.complete);\n                this.getRoot().trigger(completeEvent, this);\n\n                if (!completeEvent.isDefaultPrevented()) {\n                    this.hide();\n                    data.originalEvent.preventDefault();\n                }\n            }.bind(this));\n        };\n\n        // Automatically register with the modal registry the first time this module is imported so that you can create modals\n        // of this type using the modal factory.\n        if (!registered) {\n            ModalRegistry.register(ModalDataRequest.TYPE, ModalDataRequest, 'tool_dataprivacy/data_request_modal');\n            registered = true;\n        }\n\n        return ModalDataRequest;\n    });"],"names":["define","$","Notification","CustomEvents","Modal","ModalRegistry","DataPrivacyEvents","registered","SELECTORS","ModalDataRequest","root","call","this","TYPE","prototype","Object","create","constructor","registerEventListeners","getModal","on","events","activate","e","data","approveEvent","Event","approve","getRoot","trigger","isDefaultPrevented","hide","originalEvent","preventDefault","bind","denyEvent","deny","completeEvent","complete","register"],"mappings":";;;;;;;;AAuBAA,6CAAO,CAAC,SAAU,oBAAqB,iCAAkC,aAAc,sBAC/E,4BACJ,SAASC,EAAGC,aAAcC,aAAcC,MAAOC,cAAeC,uBAEtDC,YAAa,EACbC,yBACgB,0BADhBA,sBAEa,uBAFbA,0BAGiB,2BAQjBC,iBAAmB,SAASC,MAC5BN,MAAMO,KAAKC,KAAMF,cAGrBD,iBAAiBI,KAAO,iCACxBJ,iBAAiBK,UAAYC,OAAOC,OAAOZ,MAAMU,YACtBG,YAAcR,iBAOzCA,iBAAiBK,UAAUI,uBAAyB,WAEhDd,MAAMU,UAAUI,uBAAuBP,KAAKC,WAEvCO,WAAWC,GAAGjB,aAAakB,OAAOC,SAAUd,yBAA0B,SAASe,EAAGC,UAC/EC,aAAexB,EAAEyB,MAAMpB,kBAAkBqB,cACxCC,UAAUC,QAAQJ,aAAcb,MAEhCa,aAAaK,4BACTC,OACLP,KAAKQ,cAAcC,mBAEzBC,KAAKtB,YAEFO,WAAWC,GAAGjB,aAAakB,OAAOC,SAAUd,sBAAuB,SAASe,EAAGC,UAC5EW,UAAYlC,EAAEyB,MAAMpB,kBAAkB8B,WACrCR,UAAUC,QAAQM,UAAWvB,MAE7BuB,UAAUL,4BACNC,OACLP,KAAKQ,cAAcC,mBAEzBC,KAAKtB,YAEFO,WAAWC,GAAGjB,aAAakB,OAAOC,SAAUd,0BAA2B,SAASe,EAAGC,UAChFa,cAAgBpC,EAAEyB,MAAMpB,kBAAkBgC,eACzCV,UAAUC,QAAQQ,cAAezB,MAEjCyB,cAAcP,4BACVC,OACLP,KAAKQ,cAAcC,mBAEzBC,KAAKtB,QAKNL,aACDF,cAAckC,SAAS9B,iBAAiBI,KAAMJ,iBAAkB,uCAChEF,YAAa,GAGVE"}
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/defaultsactions.min.js b/admin/tool/dataprivacy/amd/build/defaultsactions.min.js
index e65b6b7ffa4..6c91e3229ef 100644
--- a/admin/tool/dataprivacy/amd/build/defaultsactions.min.js
+++ b/admin/tool/dataprivacy/amd/build/defaultsactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/defaultsactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates"],function(a,b,c,d,f,g,h){var i={EDIT_LEVEL_DEFAULTS:"[data-action=\"edit-level-defaults\"]",NEW_ACTIVITY_DEFAULTS:"[data-action=\"new-activity-defaults\"]",EDIT_ACTIVITY_DEFAULTS:"[data-action=\"edit-activity-defaults\"]",DELETE_ACTIVITY_DEFAULTS:"[data-action=\"delete-activity-defaults\"]"},j=-1,k=function(){this.registerEvents()};k.prototype.registerEvents=function(){a(i.EDIT_LEVEL_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=e.data("category"),i=e.data("purpose"),j=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}}]),k=d.get_string("editdefaults","tool_dataprivacy",a("#defaults-header").text());a.when(j[0],j[1],k).then(function(a,b,c){var d=a.options,e=b.options;l(c,g,h,i,null,d,e,null);return!0}).catch(c.exception)});a(i.NEW_ACTIVITY_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}},{methodname:"tool_dataprivacy_get_activity_options",args:{nodefaults:!0}}]),i=d.get_string("addnewdefaults","tool_dataprivacy");a.when(h[0],h[1],h[2],i).then(function(a,b,c,d){var e=a.options,f=b.options,h=c.options;l(d,g,null,null,null,e,f,h);return!0}).catch(c.exception)});a(i.EDIT_ACTIVITY_DEFAULTS).click(function(f){f.preventDefault();var e=a(this),g=e.data("contextlevel"),h=e.data("category"),i=e.data("purpose"),j=e.data("activityname"),k=b.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}},{methodname:"tool_dataprivacy_get_activity_options",args:{}}]),m=d.get_string("editmoduledefaults","tool_dataprivacy");a.when(k[0],k[1],k[2],m).then(function(a,b,c,d){var e=a.options,f=b.options,k=c.options;l(d,g,h,i,j,e,f,k);return!0}).catch(c.exception)});a(i.DELETE_ACTIVITY_DEFAULTS).click(function(b){b.preventDefault();var e=a(this),i=e.data("contextlevel"),k=e.data("activityname"),l=e.data("activitydisplayname");f.create({title:d.get_string("deletedefaults","tool_dataprivacy",l),body:h.render("tool_dataprivacy/delete_activity_defaults",{activityname:l}),type:f.types.SAVE_CANCEL,large:!0}).then(function(a){a.setSaveButtonText(d.get_string("delete"));a.getRoot().on(g.save,function(){m(i,j,j,k,!1)});a.getRoot().on(g.hidden,function(){a.destroy()});a.show();return!0}).catch(c.exception)})};function l(b,d,e,i,j,k,l,n){if(null!==e){k.forEach(function(a){if(a.id===e){a.selected=!0}})}if(null!==i){l.forEach(function(a){if(a.id===i){a.selected=!0}})}var o={contextlevel:d,categoryoptions:k,purposeoptions:l};if(null!==n&&n.length){if(null===j){o.newactivitydefaults=!0}else{n.forEach(function(a){if(j===a.name){a.selected=!0}})}o.modemodule=!0;o.activityoptions=n}f.create({title:b,body:h.render("tool_dataprivacy/category_purpose_form",o),type:f.types.SAVE_CANCEL,large:!0}).then(function(b){b.getRoot().on(g.save,function(){var b=a("#activity"),c="undefined"!=typeof b?b.val():null,d=a("#override"),e="undefined"!=typeof d?d.is(":checked"):!1;m(a("#contextlevel").val(),a("#category").val(),a("#purpose").val(),c,e)});b.getRoot().on(g.hidden,function(){b.destroy()});b.show();return b}).catch(c.exception)}function m(a,c,d,e,f){b.call([{methodname:"tool_dataprivacy_set_context_defaults",args:{contextlevel:a,category:c,purpose:d,override:f,activity:e}}])[0].done(function(a){if(a.result){window.location.reload()}})}return{init:function init(){return new k}}});
-//# sourceMappingURL=defaultsactions.min.js.map
+/**
+ * AMD module for data registry defaults actions.
+ *
+ * @module     tool_dataprivacy/defaultsactions
+ * @package    tool_dataprivacy
+ * @copyright  2018 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/defaultsactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates"],(function($,Ajax,Notification,Str,ModalFactory,ModalEvents,Templates){var ACTIONS_EDIT_LEVEL_DEFAULTS='[data-action="edit-level-defaults"]',ACTIONS_NEW_ACTIVITY_DEFAULTS='[data-action="new-activity-defaults"]',ACTIONS_EDIT_ACTIVITY_DEFAULTS='[data-action="edit-activity-defaults"]',ACTIONS_DELETE_ACTIVITY_DEFAULTS='[data-action="delete-activity-defaults"]',DefaultsActions=function(){this.registerEvents()};function showDefaultsFormModal(title,contextLevel,category,purpose,activity,categoryOptions,purposeOptions,activityOptions){null!==category&&categoryOptions.forEach((function(currentValue){currentValue.id===category&&(currentValue.selected=!0)})),null!==purpose&&purposeOptions.forEach((function(currentValue){currentValue.id===purpose&&(currentValue.selected=!0)}));var templateContext={contextlevel:contextLevel,categoryoptions:categoryOptions,purposeoptions:purposeOptions};null!==activityOptions&&activityOptions.length&&(null===activity?templateContext.newactivitydefaults=!0:activityOptions.forEach((function(currentValue){activity===currentValue.name&&(currentValue.selected=!0)})),templateContext.modemodule=!0,templateContext.activityoptions=activityOptions),ModalFactory.create({title:title,body:Templates.render("tool_dataprivacy/category_purpose_form",templateContext),type:ModalFactory.types.SAVE_CANCEL,large:!0}).then((function(modal){return modal.getRoot().on(ModalEvents.save,(function(){var activity=$("#activity"),activityVal=void 0!==activity?activity.val():null,override=$("#override"),overrideVal=void 0!==override&&override.is(":checked");setContextDefaults($("#contextlevel").val(),$("#category").val(),$("#purpose").val(),activityVal,overrideVal)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show(),modal})).catch(Notification.exception)}function setContextDefaults(contextLevel,category,purpose,activity,override){var request={methodname:"tool_dataprivacy_set_context_defaults",args:{contextlevel:contextLevel,category:category,purpose:purpose,override:override,activity:activity}};Ajax.call([request])[0].done((function(data){data.result&&window.location.reload()}))}return DefaultsActions.prototype.registerEvents=function(){$(ACTIONS_EDIT_LEVEL_DEFAULTS).click((function(e){e.preventDefault();var button=$(this),contextLevel=button.data("contextlevel"),category=button.data("category"),purpose=button.data("purpose"),promises=Ajax.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}}]),titlePromise=Str.get_string("editdefaults","tool_dataprivacy",$("#defaults-header").text());$.when(promises[0],promises[1],titlePromise).then((function(categoryResponse,purposeResponse,title){var categories=categoryResponse.options,purposes=purposeResponse.options;return showDefaultsFormModal(title,contextLevel,category,purpose,null,categories,purposes,null),!0})).catch(Notification.exception)})),$(ACTIONS_NEW_ACTIVITY_DEFAULTS).click((function(e){e.preventDefault();var contextLevel=$(this).data("contextlevel"),promises=Ajax.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}},{methodname:"tool_dataprivacy_get_activity_options",args:{nodefaults:!0}}]),titlePromise=Str.get_string("addnewdefaults","tool_dataprivacy");$.when(promises[0],promises[1],promises[2],titlePromise).then((function(categoryResponse,purposeResponse,activityResponse,title){var categories=categoryResponse.options,purposes=purposeResponse.options,activities=activityResponse.options;return showDefaultsFormModal(title,contextLevel,null,null,null,categories,purposes,activities),!0})).catch(Notification.exception)})),$(ACTIONS_EDIT_ACTIVITY_DEFAULTS).click((function(e){e.preventDefault();var button=$(this),contextLevel=button.data("contextlevel"),category=button.data("category"),purpose=button.data("purpose"),activity=button.data("activityname"),promises=Ajax.call([{methodname:"tool_dataprivacy_get_category_options",args:{}},{methodname:"tool_dataprivacy_get_purpose_options",args:{}},{methodname:"tool_dataprivacy_get_activity_options",args:{}}]),titlePromise=Str.get_string("editmoduledefaults","tool_dataprivacy");$.when(promises[0],promises[1],promises[2],titlePromise).then((function(categoryResponse,purposeResponse,activityResponse,title){var categories=categoryResponse.options,purposes=purposeResponse.options,activities=activityResponse.options;return showDefaultsFormModal(title,contextLevel,category,purpose,activity,categories,purposes,activities),!0})).catch(Notification.exception)})),$(ACTIONS_DELETE_ACTIVITY_DEFAULTS).click((function(e){e.preventDefault();var button=$(this),contextLevel=button.data("contextlevel"),activity=button.data("activityname"),activityDisplayName=button.data("activitydisplayname");ModalFactory.create({title:Str.get_string("deletedefaults","tool_dataprivacy",activityDisplayName),body:Templates.render("tool_dataprivacy/delete_activity_defaults",{activityname:activityDisplayName}),type:ModalFactory.types.SAVE_CANCEL,large:!0}).then((function(modal){return modal.setSaveButtonText(Str.get_string("delete")),modal.getRoot().on(ModalEvents.save,(function(){setContextDefaults(contextLevel,-1,-1,activity,!1)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show(),!0})).catch(Notification.exception)}))},{init:function(){return new DefaultsActions}}}));
+
+//# sourceMappingURL=defaultsactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/defaultsactions.min.js.map b/admin/tool/dataprivacy/amd/build/defaultsactions.min.js.map
index 73b2824ba09..6963a2492fa 100644
--- a/admin/tool/dataprivacy/amd/build/defaultsactions.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/defaultsactions.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for data registry defaults actions.\n *\n * @module     tool_dataprivacy/defaultsactions\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events',\n    'core/templates'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents, Templates) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{EDIT_LEVEL_DEFAULTS: string}}\n     * @type {{NEW_ACTIVITY_DEFAULTS: string}}\n     * @type {{EDIT_ACTIVITY_DEFAULTS: string}}\n     * @type {{DELETE_ACTIVITY_DEFAULTS: string}}\n     */\n    var ACTIONS = {\n        EDIT_LEVEL_DEFAULTS: '[data-action=\"edit-level-defaults\"]',\n        NEW_ACTIVITY_DEFAULTS: '[data-action=\"new-activity-defaults\"]',\n        EDIT_ACTIVITY_DEFAULTS: '[data-action=\"edit-activity-defaults\"]',\n        DELETE_ACTIVITY_DEFAULTS: '[data-action=\"delete-activity-defaults\"]'\n    };\n\n    /** @type {{INHERIT: Number}} **/\n    var INHERIT = -1;\n\n    /**\n     * DefaultsActions class.\n     */\n    var DefaultsActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    DefaultsActions.prototype.registerEvents = function() {\n        $(ACTIONS.EDIT_LEVEL_DEFAULTS).click(function(e) {\n            e.preventDefault();\n\n            var button = $(this);\n            var contextLevel = button.data('contextlevel');\n            var category = button.data('category');\n            var purpose = button.data('purpose');\n\n            // Get options.\n            var requests = [\n                {methodname: 'tool_dataprivacy_get_category_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_purpose_options', args: {}}\n            ];\n\n            var promises = Ajax.call(requests);\n            var titlePromise = Str.get_string('editdefaults', 'tool_dataprivacy', $('#defaults-header').text());\n            $.when(promises[0], promises[1], titlePromise).then(function(categoryResponse, purposeResponse, title) {\n                var categories = categoryResponse.options;\n                var purposes = purposeResponse.options;\n                showDefaultsFormModal(title, contextLevel, category, purpose, null, categories, purposes, null);\n\n                return true;\n            }).catch(Notification.exception);\n        });\n\n        $(ACTIONS.NEW_ACTIVITY_DEFAULTS).click(function(e) {\n            e.preventDefault();\n\n            var button = $(this);\n            var contextLevel = button.data('contextlevel');\n\n            // Get options.\n            var requests = [\n                {methodname: 'tool_dataprivacy_get_category_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_purpose_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_activity_options', args: {'nodefaults': true}}\n            ];\n\n            var promises = Ajax.call(requests);\n            var titlePromise = Str.get_string('addnewdefaults', 'tool_dataprivacy');\n\n            $.when(promises[0], promises[1], promises[2], titlePromise).then(\n                function(categoryResponse, purposeResponse, activityResponse, title) {\n                    var categories = categoryResponse.options;\n                    var purposes = purposeResponse.options;\n                    var activities = activityResponse.options;\n\n                    showDefaultsFormModal(title, contextLevel, null, null, null, categories, purposes, activities);\n\n                    return true;\n\n                }).catch(Notification.exception);\n            }\n        );\n\n        $(ACTIONS.EDIT_ACTIVITY_DEFAULTS).click(function(e) {\n            e.preventDefault();\n\n            var button = $(this);\n            var contextLevel = button.data('contextlevel');\n            var category = button.data('category');\n            var purpose = button.data('purpose');\n            var activity = button.data('activityname');\n\n            // Get options.\n            var requests = [\n                {methodname: 'tool_dataprivacy_get_category_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_purpose_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_activity_options', args: {}}\n            ];\n\n            var promises = Ajax.call(requests);\n            var titlePromise = Str.get_string('editmoduledefaults', 'tool_dataprivacy');\n\n            $.when(promises[0], promises[1], promises[2], titlePromise).then(\n                function(categoryResponse, purposeResponse, activityResponse, title) {\n                    var categories = categoryResponse.options;\n                    var purposes = purposeResponse.options;\n                    var activities = activityResponse.options;\n\n                    showDefaultsFormModal(title, contextLevel, category, purpose, activity, categories, purposes, activities);\n\n                    return true;\n\n                }).catch(Notification.exception);\n            }\n        );\n\n        $(ACTIONS.DELETE_ACTIVITY_DEFAULTS).click(function(e) {\n            e.preventDefault();\n\n            var button = $(this);\n            var contextLevel = button.data('contextlevel');\n            var activity = button.data('activityname');\n            var activityDisplayName = button.data('activitydisplayname');\n            // Set category and purpose to inherit (-1).\n            var category = INHERIT;\n            var purpose = INHERIT;\n\n            ModalFactory.create({\n                title: Str.get_string('deletedefaults', 'tool_dataprivacy', activityDisplayName),\n                body: Templates.render('tool_dataprivacy/delete_activity_defaults', {\"activityname\": activityDisplayName}),\n                type: ModalFactory.types.SAVE_CANCEL,\n                large: true\n            }).then(function(modal) {\n                modal.setSaveButtonText(Str.get_string('delete'));\n\n                // Handle save event.\n                modal.getRoot().on(ModalEvents.save, function() {\n                    setContextDefaults(contextLevel, category, purpose, activity, false);\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                modal.show();\n\n                return true;\n            }).catch(Notification.exception);\n        });\n    };\n\n    /**\n     * Prepares and renders the modal for setting the defaults for the given context level/plugin.\n     *\n     * @param {String} title The modal's title.\n     * @param {Number} contextLevel The context level to set defaults for.\n     * @param {Number} category The current category ID.\n     * @param {Number} purpose The current purpose ID.\n     * @param {String} activity The plugin name of the activity. Optional.\n     * @param {Array} categoryOptions The list of category options.\n     * @param {Array} purposeOptions The list of purpose options.\n     * @param {Array} activityOptions The list of activity options. Optional.\n     */\n    function showDefaultsFormModal(title, contextLevel, category, purpose, activity,\n                                   categoryOptions, purposeOptions, activityOptions) {\n\n        if (category !== null) {\n            categoryOptions.forEach(function(currentValue) {\n                if (currentValue.id === category) {\n                    currentValue.selected = true;\n                }\n            });\n        }\n\n        if (purpose !== null) {\n            purposeOptions.forEach(function(currentValue) {\n                if (currentValue.id === purpose) {\n                    currentValue.selected = true;\n                }\n            });\n        }\n\n        var templateContext = {\n            \"contextlevel\": contextLevel,\n            \"categoryoptions\": categoryOptions,\n            \"purposeoptions\": purposeOptions\n        };\n\n        // Check the activityOptions parameter that was passed.\n        if (activityOptions !== null && activityOptions.length) {\n            // Check the activity parameter that was passed.\n            if (activity === null) {\n                // We're setting a new defaults for a module.\n                templateContext.newactivitydefaults = true;\n\n            } else {\n                // Edit mode. Set selection.\n                activityOptions.forEach(function(currentValue) {\n                    if (activity === currentValue.name) {\n                        currentValue.selected = true;\n                    }\n                });\n            }\n\n            templateContext.modemodule = true;\n            templateContext.activityoptions = activityOptions;\n        }\n\n        ModalFactory.create({\n            title: title,\n            body: Templates.render('tool_dataprivacy/category_purpose_form', templateContext),\n            type: ModalFactory.types.SAVE_CANCEL,\n            large: true\n        }).then(function(modal) {\n\n            // Handle save event.\n            modal.getRoot().on(ModalEvents.save, function() {\n                var activity = $('#activity');\n                var activityVal = typeof activity !== 'undefined' ? activity.val() : null;\n                var override = $('#override');\n                var overrideVal = typeof override !== 'undefined' ? override.is(':checked') : false;\n\n                setContextDefaults($('#contextlevel').val(), $('#category').val(), $('#purpose').val(), activityVal, overrideVal);\n            });\n\n            // Handle hidden event.\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Destroy when hidden.\n                modal.destroy();\n            });\n\n            modal.show();\n\n            return modal;\n        }).catch(Notification.exception);\n    }\n\n    /**\n     * Calls a the tool_dataprivacy_set_context_defaults WS function.\n     *\n     * @param {Number} contextLevel The context level.\n     * @param {Number} category The category ID.\n     * @param {Number} purpose The purpose ID.\n     * @param {String} activity The plugin name of the activity module.\n     * @param {Boolean} override Whether to override custom instances.\n     */\n    function setContextDefaults(contextLevel, category, purpose, activity, override) {\n        var request = {\n            methodname: 'tool_dataprivacy_set_context_defaults',\n            args: {\n                'contextlevel': contextLevel,\n                'category': category,\n                'purpose': purpose,\n                'override': override,\n                'activity': activity\n            }\n        };\n\n        Ajax.call([request])[0].done(function(data) {\n            if (data.result) {\n                window.location.reload();\n            }\n        });\n    }\n\n    return /** @alias module:tool_dataprivacy/defaultsactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the module.\n         *\n         * @method init\n         * @return {DefaultsActions}\n         */\n        'init': function() {\n            return new DefaultsActions();\n        }\n    };\n});\n"],"file":"defaultsactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"defaultsactions.min.js","sources":["../src/defaultsactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for data registry defaults actions.\n *\n * @module     tool_dataprivacy/defaultsactions\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events',\n    'core/templates'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents, Templates) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{EDIT_LEVEL_DEFAULTS: string}}\n     * @type {{NEW_ACTIVITY_DEFAULTS: string}}\n     * @type {{EDIT_ACTIVITY_DEFAULTS: string}}\n     * @type {{DELETE_ACTIVITY_DEFAULTS: string}}\n     */\n    var ACTIONS = {\n        EDIT_LEVEL_DEFAULTS: '[data-action=\"edit-level-defaults\"]',\n        NEW_ACTIVITY_DEFAULTS: '[data-action=\"new-activity-defaults\"]',\n        EDIT_ACTIVITY_DEFAULTS: '[data-action=\"edit-activity-defaults\"]',\n        DELETE_ACTIVITY_DEFAULTS: '[data-action=\"delete-activity-defaults\"]'\n    };\n\n    /** @type {{INHERIT: Number}} **/\n    var INHERIT = -1;\n\n    /**\n     * DefaultsActions class.\n     */\n    var DefaultsActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    DefaultsActions.prototype.registerEvents = function() {\n        $(ACTIONS.EDIT_LEVEL_DEFAULTS).click(function(e) {\n            e.preventDefault();\n\n            var button = $(this);\n            var contextLevel = button.data('contextlevel');\n            var category = button.data('category');\n            var purpose = button.data('purpose');\n\n            // Get options.\n            var requests = [\n                {methodname: 'tool_dataprivacy_get_category_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_purpose_options', args: {}}\n            ];\n\n            var promises = Ajax.call(requests);\n            var titlePromise = Str.get_string('editdefaults', 'tool_dataprivacy', $('#defaults-header').text());\n            $.when(promises[0], promises[1], titlePromise).then(function(categoryResponse, purposeResponse, title) {\n                var categories = categoryResponse.options;\n                var purposes = purposeResponse.options;\n                showDefaultsFormModal(title, contextLevel, category, purpose, null, categories, purposes, null);\n\n                return true;\n            }).catch(Notification.exception);\n        });\n\n        $(ACTIONS.NEW_ACTIVITY_DEFAULTS).click(function(e) {\n            e.preventDefault();\n\n            var button = $(this);\n            var contextLevel = button.data('contextlevel');\n\n            // Get options.\n            var requests = [\n                {methodname: 'tool_dataprivacy_get_category_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_purpose_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_activity_options', args: {'nodefaults': true}}\n            ];\n\n            var promises = Ajax.call(requests);\n            var titlePromise = Str.get_string('addnewdefaults', 'tool_dataprivacy');\n\n            $.when(promises[0], promises[1], promises[2], titlePromise).then(\n                function(categoryResponse, purposeResponse, activityResponse, title) {\n                    var categories = categoryResponse.options;\n                    var purposes = purposeResponse.options;\n                    var activities = activityResponse.options;\n\n                    showDefaultsFormModal(title, contextLevel, null, null, null, categories, purposes, activities);\n\n                    return true;\n\n                }).catch(Notification.exception);\n            }\n        );\n\n        $(ACTIONS.EDIT_ACTIVITY_DEFAULTS).click(function(e) {\n            e.preventDefault();\n\n            var button = $(this);\n            var contextLevel = button.data('contextlevel');\n            var category = button.data('category');\n            var purpose = button.data('purpose');\n            var activity = button.data('activityname');\n\n            // Get options.\n            var requests = [\n                {methodname: 'tool_dataprivacy_get_category_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_purpose_options', args: {}},\n                {methodname: 'tool_dataprivacy_get_activity_options', args: {}}\n            ];\n\n            var promises = Ajax.call(requests);\n            var titlePromise = Str.get_string('editmoduledefaults', 'tool_dataprivacy');\n\n            $.when(promises[0], promises[1], promises[2], titlePromise).then(\n                function(categoryResponse, purposeResponse, activityResponse, title) {\n                    var categories = categoryResponse.options;\n                    var purposes = purposeResponse.options;\n                    var activities = activityResponse.options;\n\n                    showDefaultsFormModal(title, contextLevel, category, purpose, activity, categories, purposes, activities);\n\n                    return true;\n\n                }).catch(Notification.exception);\n            }\n        );\n\n        $(ACTIONS.DELETE_ACTIVITY_DEFAULTS).click(function(e) {\n            e.preventDefault();\n\n            var button = $(this);\n            var contextLevel = button.data('contextlevel');\n            var activity = button.data('activityname');\n            var activityDisplayName = button.data('activitydisplayname');\n            // Set category and purpose to inherit (-1).\n            var category = INHERIT;\n            var purpose = INHERIT;\n\n            ModalFactory.create({\n                title: Str.get_string('deletedefaults', 'tool_dataprivacy', activityDisplayName),\n                body: Templates.render('tool_dataprivacy/delete_activity_defaults', {\"activityname\": activityDisplayName}),\n                type: ModalFactory.types.SAVE_CANCEL,\n                large: true\n            }).then(function(modal) {\n                modal.setSaveButtonText(Str.get_string('delete'));\n\n                // Handle save event.\n                modal.getRoot().on(ModalEvents.save, function() {\n                    setContextDefaults(contextLevel, category, purpose, activity, false);\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                modal.show();\n\n                return true;\n            }).catch(Notification.exception);\n        });\n    };\n\n    /**\n     * Prepares and renders the modal for setting the defaults for the given context level/plugin.\n     *\n     * @param {String} title The modal's title.\n     * @param {Number} contextLevel The context level to set defaults for.\n     * @param {Number} category The current category ID.\n     * @param {Number} purpose The current purpose ID.\n     * @param {String} activity The plugin name of the activity. Optional.\n     * @param {Array} categoryOptions The list of category options.\n     * @param {Array} purposeOptions The list of purpose options.\n     * @param {Array} activityOptions The list of activity options. Optional.\n     */\n    function showDefaultsFormModal(title, contextLevel, category, purpose, activity,\n                                   categoryOptions, purposeOptions, activityOptions) {\n\n        if (category !== null) {\n            categoryOptions.forEach(function(currentValue) {\n                if (currentValue.id === category) {\n                    currentValue.selected = true;\n                }\n            });\n        }\n\n        if (purpose !== null) {\n            purposeOptions.forEach(function(currentValue) {\n                if (currentValue.id === purpose) {\n                    currentValue.selected = true;\n                }\n            });\n        }\n\n        var templateContext = {\n            \"contextlevel\": contextLevel,\n            \"categoryoptions\": categoryOptions,\n            \"purposeoptions\": purposeOptions\n        };\n\n        // Check the activityOptions parameter that was passed.\n        if (activityOptions !== null && activityOptions.length) {\n            // Check the activity parameter that was passed.\n            if (activity === null) {\n                // We're setting a new defaults for a module.\n                templateContext.newactivitydefaults = true;\n\n            } else {\n                // Edit mode. Set selection.\n                activityOptions.forEach(function(currentValue) {\n                    if (activity === currentValue.name) {\n                        currentValue.selected = true;\n                    }\n                });\n            }\n\n            templateContext.modemodule = true;\n            templateContext.activityoptions = activityOptions;\n        }\n\n        ModalFactory.create({\n            title: title,\n            body: Templates.render('tool_dataprivacy/category_purpose_form', templateContext),\n            type: ModalFactory.types.SAVE_CANCEL,\n            large: true\n        }).then(function(modal) {\n\n            // Handle save event.\n            modal.getRoot().on(ModalEvents.save, function() {\n                var activity = $('#activity');\n                var activityVal = typeof activity !== 'undefined' ? activity.val() : null;\n                var override = $('#override');\n                var overrideVal = typeof override !== 'undefined' ? override.is(':checked') : false;\n\n                setContextDefaults($('#contextlevel').val(), $('#category').val(), $('#purpose').val(), activityVal, overrideVal);\n            });\n\n            // Handle hidden event.\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Destroy when hidden.\n                modal.destroy();\n            });\n\n            modal.show();\n\n            return modal;\n        }).catch(Notification.exception);\n    }\n\n    /**\n     * Calls a the tool_dataprivacy_set_context_defaults WS function.\n     *\n     * @param {Number} contextLevel The context level.\n     * @param {Number} category The category ID.\n     * @param {Number} purpose The purpose ID.\n     * @param {String} activity The plugin name of the activity module.\n     * @param {Boolean} override Whether to override custom instances.\n     */\n    function setContextDefaults(contextLevel, category, purpose, activity, override) {\n        var request = 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diff --git a/admin/tool/dataprivacy/amd/build/effective_retention_period.min.js b/admin/tool/dataprivacy/amd/build/effective_retention_period.min.js
index b7bd5b769fc..f0e34cabe2c 100644
--- a/admin/tool/dataprivacy/amd/build/effective_retention_period.min.js
+++ b/admin/tool/dataprivacy/amd/build/effective_retention_period.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/effective_retention_period",["jquery"],function(a){var b={PURPOSE_SELECT:"#id_purposeid",RETENTION_FIELD:"#fitem_id_retention_current [data-fieldtype=static]"},c=function(a){this.purposeRetentionPeriods=a;this.registerEventListeners()},d=function(){a(b.PURPOSE_SELECT).off("change")};c.prototype.purposeRetentionPeriods=[];c.prototype.registerEventListeners=function(){a(b.PURPOSE_SELECT).on("change",function(c){var d=a(c.currentTarget).val(),e=this.purposeRetentionPeriods[d];a(b.RETENTION_FIELD).text(e)}.bind(this))};return{init:function init(a){d();return new c(a)}}});
-//# sourceMappingURL=effective_retention_period.min.js.map
+/**
+ * Module to update the displayed retention period.
+ *
+ * @module     tool_dataprivacy/effective_retention_period
+ * @package    tool_dataprivacy
+ * @copyright  2018 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/effective_retention_period",["jquery"],(function($){var SELECTORS_PURPOSE_SELECT="#id_purposeid",SELECTORS_RETENTION_FIELD="#fitem_id_retention_current [data-fieldtype=static]",EffectiveRetentionPeriod=function(purposeRetentionPeriods){this.purposeRetentionPeriods=purposeRetentionPeriods,this.registerEventListeners()};return EffectiveRetentionPeriod.prototype.purposeRetentionPeriods=[],EffectiveRetentionPeriod.prototype.registerEventListeners=function(){$(SELECTORS_PURPOSE_SELECT).on("change",function(ev){var selected=$(ev.currentTarget).val(),selectedPurpose=this.purposeRetentionPeriods[selected];$(SELECTORS_RETENTION_FIELD).text(selectedPurpose)}.bind(this))},{init:function(purposeRetentionPeriods){return $(SELECTORS_PURPOSE_SELECT).off("change"),new EffectiveRetentionPeriod(purposeRetentionPeriods)}}}));
+
+//# sourceMappingURL=effective_retention_period.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/effective_retention_period.min.js.map b/admin/tool/dataprivacy/amd/build/effective_retention_period.min.js.map
index 0452cf79826..30c311a6b2c 100644
--- a/admin/tool/dataprivacy/amd/build/effective_retention_period.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/effective_retention_period.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/effective_retention_period.js"],"names":["define","$","SELECTORS","PURPOSE_SELECT","RETENTION_FIELD","EffectiveRetentionPeriod","purposeRetentionPeriods","registerEventListeners","removeListeners","off","prototype","on","ev","selected","currentTarget","val","selectedPurpose","text","bind","init"],"mappings":"AAuBAA,OAAM,+CAAC,CAAC,QAAD,CAAD,CACF,SAASC,CAAT,CAAY,IAEJC,CAAAA,CAAS,CAAG,CACZC,cAAc,CAAE,eADJ,CAEZC,eAAe,CAAE,qDAFL,CAFR,CAYJC,CAAwB,CAAG,SAASC,CAAT,CAAkC,CAC7D,KAAKA,uBAAL,CAA+BA,CAA/B,CACA,KAAKC,sBAAL,EACH,CAfO,CAsBJC,CAAe,CAAG,UAAW,CAC7BP,CAAC,CAACC,CAAS,CAACC,cAAX,CAAD,CAA4BM,GAA5B,CAAgC,QAAhC,CACH,CAxBO,CA8BRJ,CAAwB,CAACK,SAAzB,CAAmCJ,uBAAnC,CAA6D,EAA7D,CAOAD,CAAwB,CAACK,SAAzB,CAAmCH,sBAAnC,CAA4D,UAAW,CAEnEN,CAAC,CAACC,CAAS,CAACC,cAAX,CAAD,CAA4BQ,EAA5B,CAA+B,QAA/B,CAAyC,SAASC,CAAT,CAAa,IAC9CC,CAAAA,CAAQ,CAAGZ,CAAC,CAACW,CAAE,CAACE,aAAJ,CAAD,CAAoBC,GAApB,EADmC,CAE9CC,CAAe,CAAG,KAAKV,uBAAL,CAA6BO,CAA7B,CAF4B,CAGlDZ,CAAC,CAACC,CAAS,CAACE,eAAX,CAAD,CAA6Ba,IAA7B,CAAkCD,CAAlC,CACH,CAJwC,CAIvCE,IAJuC,CAIlC,IAJkC,CAAzC,CAKH,CAPD,CASA,MAAwE,CACpEC,IAAI,CAAE,cAASb,CAAT,CAAkC,CAEpCE,CAAe,GACf,MAAO,IAAIH,CAAAA,CAAJ,CAA6BC,CAA7B,CACV,CALmE,CAO3E,CAtDC,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to update the displayed retention period.\n *\n * @module     tool_dataprivacy/effective_retention_period\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'],\n    function($) {\n\n        var SELECTORS = {\n            PURPOSE_SELECT: '#id_purposeid',\n            RETENTION_FIELD: '#fitem_id_retention_current [data-fieldtype=static]',\n        };\n\n        /**\n         * Constructor for the retention period display.\n         *\n         * @param {Array} purposeRetentionPeriods Associative array of purposeids with effective retention period at this context\n         */\n        var EffectiveRetentionPeriod = function(purposeRetentionPeriods) {\n            this.purposeRetentionPeriods = purposeRetentionPeriods;\n            this.registerEventListeners();\n        };\n\n        /**\n         * Removes the current 'change' listeners.\n         *\n         * Useful when a new form is loaded.\n         */\n        var removeListeners = function() {\n            $(SELECTORS.PURPOSE_SELECT).off('change');\n        };\n\n        /**\n         * @var {Array} purposeRetentionPeriods\n         * @private\n         */\n        EffectiveRetentionPeriod.prototype.purposeRetentionPeriods = [];\n\n        /**\n         * Add purpose change listeners.\n         *\n         * @method registerEventListeners\n         */\n        EffectiveRetentionPeriod.prototype.registerEventListeners = function() {\n\n            $(SELECTORS.PURPOSE_SELECT).on('change', function(ev) {\n                var selected = $(ev.currentTarget).val();\n                var selectedPurpose = this.purposeRetentionPeriods[selected];\n                $(SELECTORS.RETENTION_FIELD).text(selectedPurpose);\n            }.bind(this));\n        };\n\n        return /** @alias module:tool_dataprivacy/effective_retention_period */ {\n            init: function(purposeRetentionPeriods) {\n                // Remove previously attached listeners.\n                removeListeners();\n                return new EffectiveRetentionPeriod(purposeRetentionPeriods);\n            }\n        };\n    }\n);\n\n"],"file":"effective_retention_period.min.js"}
\ No newline at end of file
+{"version":3,"file":"effective_retention_period.min.js","sources":["../src/effective_retention_period.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to update the displayed retention period.\n *\n * @module     tool_dataprivacy/effective_retention_period\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'],\n    function($) {\n\n        var SELECTORS = {\n            PURPOSE_SELECT: '#id_purposeid',\n            RETENTION_FIELD: '#fitem_id_retention_current [data-fieldtype=static]',\n        };\n\n        /**\n         * Constructor for the retention period display.\n         *\n         * @param {Array} purposeRetentionPeriods Associative array of purposeids with effective retention period at this context\n         */\n        var EffectiveRetentionPeriod = function(purposeRetentionPeriods) {\n            this.purposeRetentionPeriods = purposeRetentionPeriods;\n            this.registerEventListeners();\n        };\n\n        /**\n         * Removes the current 'change' listeners.\n         *\n         * Useful when a new form is loaded.\n         */\n        var removeListeners = function() {\n            $(SELECTORS.PURPOSE_SELECT).off('change');\n        };\n\n        /**\n         * @var {Array} purposeRetentionPeriods\n         * @private\n         */\n        EffectiveRetentionPeriod.prototype.purposeRetentionPeriods = [];\n\n        /**\n         * Add purpose change listeners.\n         *\n         * @method registerEventListeners\n         */\n        EffectiveRetentionPeriod.prototype.registerEventListeners = function() {\n\n            $(SELECTORS.PURPOSE_SELECT).on('change', function(ev) {\n                var selected = $(ev.currentTarget).val();\n                var selectedPurpose = this.purposeRetentionPeriods[selected];\n                $(SELECTORS.RETENTION_FIELD).text(selectedPurpose);\n            }.bind(this));\n        };\n\n        return /** @alias module:tool_dataprivacy/effective_retention_period */ {\n            init: function(purposeRetentionPeriods) {\n                // Remove previously attached listeners.\n                removeListeners();\n                return new EffectiveRetentionPeriod(purposeRetentionPeriods);\n            }\n        };\n    }\n);\n\n"],"names":["define","$","SELECTORS","EffectiveRetentionPeriod","purposeRetentionPeriods","registerEventListeners","prototype","on","ev","selected","currentTarget","val","selectedPurpose","this","text","bind","init","off"],"mappings":";;;;;;;;AAuBAA,qDAAO,CAAC,WACJ,SAASC,OAEDC,yBACgB,gBADhBA,0BAEiB,sDAQjBC,yBAA2B,SAASC,8BAC/BA,wBAA0BA,6BAC1BC,iCAgBTF,yBAAyBG,UAAUF,wBAA0B,GAO7DD,yBAAyBG,UAAUD,uBAAyB,WAExDJ,EAAEC,0BAA0BK,GAAG,SAAU,SAASC,QAC1CC,SAAWR,EAAEO,GAAGE,eAAeC,MAC/BC,gBAAkBC,KAAKT,wBAAwBK,UACnDR,EAAEC,2BAA2BY,KAAKF,kBACpCG,KAAKF,QAG6D,CACpEG,KAAM,SAASZ,gCAxBfH,EAAEC,0BAA0Be,IAAI,UA2BrB,IAAId,yBAAyBC"}
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/events.min.js b/admin/tool/dataprivacy/amd/build/events.min.js
index acae406b7dc..c18a395fab7 100644
--- a/admin/tool/dataprivacy/amd/build/events.min.js
+++ b/admin/tool/dataprivacy/amd/build/events.min.js
@@ -1,2 +1,12 @@
-define ("tool_dataprivacy/events",[],function(){return{approve:"tool_dataprivacy-data_request:approve",bulkApprove:"tool_dataprivacy-data_request:bulk_approve",deny:"tool_dataprivacy-data_request:deny",bulkDeny:"tool_dataprivacy-data_request:bulk_deny",complete:"tool_dataprivacy-data_request:complete"}});
-//# sourceMappingURL=events.min.js.map
+/**
+ * Contain the events the data privacy tool can fire.
+ *
+ * @module     tool_dataprivacy/events
+ * @class      events
+ * @package    tool_dataprivacy
+ * @copyright  2018 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/events",[],(function(){return{approve:"tool_dataprivacy-data_request:approve",bulkApprove:"tool_dataprivacy-data_request:bulk_approve",deny:"tool_dataprivacy-data_request:deny",bulkDeny:"tool_dataprivacy-data_request:bulk_deny",complete:"tool_dataprivacy-data_request:complete"}}));
+
+//# sourceMappingURL=events.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/events.min.js.map b/admin/tool/dataprivacy/amd/build/events.min.js.map
index 262b82fc9cc..916293c9a59 100644
--- a/admin/tool/dataprivacy/amd/build/events.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/events.js"],"names":["define","approve","bulkApprove","deny","bulkDeny","complete"],"mappings":"AAwBAA,OAAM,2BAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,OAAO,CAAE,uCADN,CAEHC,WAAW,CAAE,4CAFV,CAGHC,IAAI,CAAE,oCAHH,CAIHC,QAAQ,CAAE,yCAJP,CAKHC,QAAQ,CAAE,wCALP,CAOV,CARK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events the data privacy tool can fire.\n *\n * @module     tool_dataprivacy/events\n * @class      events\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        approve: 'tool_dataprivacy-data_request:approve',\n        bulkApprove: 'tool_dataprivacy-data_request:bulk_approve',\n        deny: 'tool_dataprivacy-data_request:deny',\n        bulkDeny: 'tool_dataprivacy-data_request:bulk_deny',\n        complete: 'tool_dataprivacy-data_request:complete'\n    };\n});\n"],"file":"events.min.js"}
\ No newline at end of file
+{"version":3,"file":"events.min.js","sources":["../src/events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events the data privacy tool can fire.\n *\n * @module     tool_dataprivacy/events\n * @class      events\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        approve: 'tool_dataprivacy-data_request:approve',\n        bulkApprove: 'tool_dataprivacy-data_request:bulk_approve',\n        deny: 'tool_dataprivacy-data_request:deny',\n        bulkDeny: 'tool_dataprivacy-data_request:bulk_deny',\n        complete: 'tool_dataprivacy-data_request:complete'\n    };\n});\n"],"names":["define","approve","bulkApprove","deny","bulkDeny","complete"],"mappings":";;;;;;;;;AAwBAA,iCAAO,IAAI,iBACA,CACHC,QAAS,wCACTC,YAAa,6CACbC,KAAM,qCACNC,SAAU,0CACVC,SAAU"}
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/expand_contract.min.js b/admin/tool/dataprivacy/amd/build/expand_contract.min.js
index 7f73e4c65dd..345cf524114 100644
--- a/admin/tool/dataprivacy/amd/build/expand_contract.min.js
+++ b/admin/tool/dataprivacy/amd/build/expand_contract.min.js
@@ -1,2 +1,12 @@
-define ("tool_dataprivacy/expand_contract",["jquery","core/url","core/str"],function(a,b,c){var d=a("<img alt=\"\" src=\""+b.imageUrl("t/expanded")+"\"/>"),e=a("<img alt=\"\" src=\""+b.imageUrl("t/collapsed")+"\"/>"),f={EXPAND:"fa-caret-right",COLLAPSE:"fa-caret-down"};return{expandCollapse:function expandCollapse(a,b){if(a.hasClass("hide")){a.removeClass("hide");a.addClass("visible");a.attr("aria-expanded",!0);b.find(":header i.fa").removeClass(f.EXPAND);b.find(":header i.fa").addClass(f.COLLAPSE);b.find(":header img.icon").attr("src",d.attr("src"))}else{a.removeClass("visible");a.addClass("hide");a.attr("aria-expanded",!1);b.find(":header i.fa").removeClass(f.COLLAPSE);b.find(":header i.fa").addClass(f.EXPAND);b.find(":header img.icon").attr("src",e.attr("src"))}},expandCollapseAll:function expandCollapseAll(b){var g="visible"==b?"hide":"visible",h="visible"==b?!0:!1,i="visible"==b?f.EXPAND:f.COLLAPSE,j="visible"==b?f.COLLAPSE:f.EXPAND,k="visible"==b?d.attr("src"):e.attr("src");a("."+g).each(function(){a(this).removeClass(g);a(this).addClass(b);a(this).attr("aria-expanded",h)});a(".tool_dataprivacy-expand-all").data("visibilityState",g);c.get_string(g,"tool_dataprivacy").then(function(b){a(".tool_dataprivacy-expand-all").html(b)}).catch(Notification.exception);a(":header i.fa").each(function(){a(this).removeClass(i);a(this).addClass(j)});a(":header img.icon").each(function(){a(this).attr("src",k)})}}});
-//# sourceMappingURL=expand_contract.min.js.map
+/**
+ * Potential user selector module.
+ *
+ * @module     tool_dataprivacy/expand_contract
+ * @class      page-expand-contract
+ * @package    tool_dataprivacy
+ * @copyright  2018 Adrian Greeve
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/expand_contract",["jquery","core/url","core/str"],(function($,url,str){var expandedImage=$('<img alt="" src="'+url.imageUrl("t/expanded")+'"/>'),collapsedImage=$('<img alt="" src="'+url.imageUrl("t/collapsed")+'"/>'),CLASSES_EXPAND="fa-caret-right",CLASSES_COLLAPSE="fa-caret-down";return{expandCollapse:function(targetnode,thisnode){targetnode.hasClass("hide")?(targetnode.removeClass("hide"),targetnode.addClass("visible"),targetnode.attr("aria-expanded",!0),thisnode.find(":header i.fa").removeClass(CLASSES_EXPAND),thisnode.find(":header i.fa").addClass(CLASSES_COLLAPSE),thisnode.find(":header img.icon").attr("src",expandedImage.attr("src"))):(targetnode.removeClass("visible"),targetnode.addClass("hide"),targetnode.attr("aria-expanded",!1),thisnode.find(":header i.fa").removeClass(CLASSES_COLLAPSE),thisnode.find(":header i.fa").addClass(CLASSES_EXPAND),thisnode.find(":header img.icon").attr("src",collapsedImage.attr("src")))},expandCollapseAll:function(nextstate){var currentstate="visible"==nextstate?"hide":"visible",ariaexpandedstate="visible"==nextstate,iconclassnow="visible"==nextstate?CLASSES_EXPAND:CLASSES_COLLAPSE,iconclassnext="visible"==nextstate?CLASSES_COLLAPSE:CLASSES_EXPAND,imagenow="visible"==nextstate?expandedImage.attr("src"):collapsedImage.attr("src");$("."+currentstate).each((function(){$(this).removeClass(currentstate),$(this).addClass(nextstate),$(this).attr("aria-expanded",ariaexpandedstate)})),$(".tool_dataprivacy-expand-all").data("visibilityState",currentstate),str.get_string(currentstate,"tool_dataprivacy").then((function(langString){$(".tool_dataprivacy-expand-all").html(langString)})).catch(Notification.exception),$(":header i.fa").each((function(){$(this).removeClass(iconclassnow),$(this).addClass(iconclassnext)})),$(":header img.icon").each((function(){$(this).attr("src",imagenow)}))}}}));
+
+//# sourceMappingURL=expand_contract.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/expand_contract.min.js.map b/admin/tool/dataprivacy/amd/build/expand_contract.min.js.map
index 5f7d8ab578a..0799a6afffb 100644
--- a/admin/tool/dataprivacy/amd/build/expand_contract.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/expand_contract.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Potential user selector module.\n *\n * @module     tool_dataprivacy/expand_contract\n * @class      page-expand-contract\n * @package    tool_dataprivacy\n * @copyright  2018 Adrian Greeve\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/url', 'core/str'], function($, url, str) {\n\n    var expandedImage = $('<img alt=\"\" src=\"' + url.imageUrl('t/expanded') + '\"/>');\n    var collapsedImage = $('<img alt=\"\" src=\"' + url.imageUrl('t/collapsed') + '\"/>');\n\n    /*\n     * Class names to apply when expanding/collapsing nodes.\n     */\n    var CLASSES = {\n        EXPAND: 'fa-caret-right',\n        COLLAPSE: 'fa-caret-down'\n    };\n\n    return /** @alias module:tool_dataprivacy/expand-collapse */ {\n        /**\n         * Expand or collapse a selected node.\n         *\n         * @param  {object} targetnode The node that we want to expand / collapse\n         * @param  {object} thisnode The node that was clicked.\n         */\n        expandCollapse: function(targetnode, thisnode) {\n            if (targetnode.hasClass('hide')) {\n                targetnode.removeClass('hide');\n                targetnode.addClass('visible');\n                targetnode.attr('aria-expanded', true);\n                thisnode.find(':header i.fa').removeClass(CLASSES.EXPAND);\n                thisnode.find(':header i.fa').addClass(CLASSES.COLLAPSE);\n                thisnode.find(':header img.icon').attr('src', expandedImage.attr('src'));\n            } else {\n                targetnode.removeClass('visible');\n                targetnode.addClass('hide');\n                targetnode.attr('aria-expanded', false);\n                thisnode.find(':header i.fa').removeClass(CLASSES.COLLAPSE);\n                thisnode.find(':header i.fa').addClass(CLASSES.EXPAND);\n                thisnode.find(':header img.icon').attr('src', collapsedImage.attr('src'));\n            }\n        },\n\n        /**\n         * Expand or collapse all nodes on this page.\n         *\n         * @param  {string} nextstate The next state to change to.\n         */\n        expandCollapseAll: function(nextstate) {\n            var currentstate = (nextstate == 'visible') ? 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\ No newline at end of file
+{"version":3,"file":"expand_contract.min.js","sources":["../src/expand_contract.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Potential user selector module.\n *\n * @module     tool_dataprivacy/expand_contract\n * @class      page-expand-contract\n * @package    tool_dataprivacy\n * @copyright  2018 Adrian Greeve\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/url', 'core/str'], function($, url, str) {\n\n    var expandedImage = $('<img alt=\"\" src=\"' + url.imageUrl('t/expanded') + '\"/>');\n    var collapsedImage = $('<img alt=\"\" src=\"' + url.imageUrl('t/collapsed') + '\"/>');\n\n    /*\n     * Class names to apply when expanding/collapsing nodes.\n     */\n    var CLASSES = {\n        EXPAND: 'fa-caret-right',\n        COLLAPSE: 'fa-caret-down'\n    };\n\n    return /** @alias module:tool_dataprivacy/expand-collapse */ {\n        /**\n         * Expand or collapse a selected node.\n         *\n         * @param  {object} targetnode The node that we want to expand / collapse\n         * @param  {object} thisnode The node that was clicked.\n         */\n        expandCollapse: function(targetnode, thisnode) {\n            if (targetnode.hasClass('hide')) {\n                targetnode.removeClass('hide');\n                targetnode.addClass('visible');\n                targetnode.attr('aria-expanded', true);\n                thisnode.find(':header i.fa').removeClass(CLASSES.EXPAND);\n                thisnode.find(':header i.fa').addClass(CLASSES.COLLAPSE);\n                thisnode.find(':header img.icon').attr('src', expandedImage.attr('src'));\n            } else {\n                targetnode.removeClass('visible');\n                targetnode.addClass('hide');\n                targetnode.attr('aria-expanded', false);\n                thisnode.find(':header i.fa').removeClass(CLASSES.COLLAPSE);\n                thisnode.find(':header i.fa').addClass(CLASSES.EXPAND);\n                thisnode.find(':header img.icon').attr('src', collapsedImage.attr('src'));\n            }\n        },\n\n        /**\n         * Expand or collapse all nodes on this page.\n         *\n         * @param  {string} nextstate The next state to change to.\n         */\n        expandCollapseAll: function(nextstate) {\n            var currentstate = (nextstate == 'visible') ? 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\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/form-user-selector.min.js b/admin/tool/dataprivacy/amd/build/form-user-selector.min.js
index 72a0c40be9a..fda89457b25 100644
--- a/admin/tool/dataprivacy/amd/build/form-user-selector.min.js
+++ b/admin/tool/dataprivacy/amd/build/form-user-selector.min.js
@@ -1,2 +1,12 @@
-define ("tool_dataprivacy/form-user-selector",["jquery","core/ajax","core/templates"],function(a,b,c){return{processResults:function processResults(b,c){var d=[];a.each(c,function(a,b){d.push({value:b.id,label:b._label})});return d},transport:function transport(d,e,f,g){var h=b.call([{methodname:"tool_dataprivacy_get_users",args:{query:e}}]);h[0].then(function(b){var d=[],e=0;a.each(b,function(a,b){d.push(c.render("tool_dataprivacy/form-user-selector-suggestion",b))});return a.when.apply(a.when,d).then(function(){var c=arguments;a.each(b,function(a,b){b._label=c[e];e++});f(b)})}).fail(g)}}});
-//# sourceMappingURL=form-user-selector.min.js.map
+/**
+ * Potential user selector module.
+ *
+ * @module     tool_dataprivacy/form-user-selector
+ * @class      form-user-selector
+ * @package    tool_dataprivacy
+ * @copyright  2018 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/form-user-selector",["jquery","core/ajax","core/templates"],(function($,Ajax,Templates){return{processResults:function(selector,results){var users=[];return $.each(results,(function(index,user){users.push({value:user.id,label:user._label})})),users},transport:function(selector,query,success,failure){Ajax.call([{methodname:"tool_dataprivacy_get_users",args:{query:query}}])[0].then((function(results){var promises=[],i=0;return $.each(results,(function(index,user){promises.push(Templates.render("tool_dataprivacy/form-user-selector-suggestion",user))})),$.when.apply($.when,promises).then((function(){var args=arguments;$.each(results,(function(index,user){user._label=args[i],i++})),success(results)}))})).fail(failure)}}}));
+
+//# sourceMappingURL=form-user-selector.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/form-user-selector.min.js.map b/admin/tool/dataprivacy/amd/build/form-user-selector.min.js.map
index 9050ecd1031..c6e5bc44bb1 100644
--- a/admin/tool/dataprivacy/amd/build/form-user-selector.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/form-user-selector.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"form-user-selector.min.js","sources":["../src/form-user-selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Potential user selector module.\n *\n * @module     tool_dataprivacy/form-user-selector\n * @class      form-user-selector\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/templates'], function($, Ajax, Templates) {\n\n    return /** @alias module:tool_dataprivacy/form-user-selector */ {\n\n        processResults: function(selector, results) {\n            var users = [];\n            $.each(results, function(index, user) {\n                users.push({\n                    value: user.id,\n                    label: user._label\n                });\n            });\n            return users;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise;\n\n            promise = Ajax.call([{\n                methodname: 'tool_dataprivacy_get_users',\n                args: {\n                    query: query\n                }\n            }]);\n\n            promise[0].then(function(results) {\n                var promises = [],\n                    i = 0;\n\n                // Render the label.\n                $.each(results, function(index, user) {\n                    promises.push(Templates.render('tool_dataprivacy/form-user-selector-suggestion', user));\n                });\n\n                // Apply the label to the results.\n                return $.when.apply($.when, promises).then(function() {\n                    var args = arguments;\n                    $.each(results, function(index, user) {\n                        user._label = args[i];\n                        i++;\n                    });\n                    success(results);\n                    return;\n                });\n\n            }).fail(failure);\n        }\n\n    };\n\n});\n"],"names":["define","$","Ajax","Templates","processResults","selector","results","users","each","index","user","push","value","id","label","_label","transport","query","success","failure","call","methodname","args","then","promises","i","render","when","apply","arguments","fail"],"mappings":";;;;;;;;;AAyBAA,6CAAO,CAAC,SAAU,YAAa,mBAAmB,SAASC,EAAGC,KAAMC,iBAEA,CAE5DC,eAAgB,SAASC,SAAUC,aAC3BC,MAAQ,UACZN,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BH,MAAMI,KAAK,CACPC,MAAOF,KAAKG,GACZC,MAAOJ,KAAKK,YAGbR,OAGXS,UAAW,SAASX,SAAUY,MAAOC,QAASC,SAGhCjB,KAAKkB,KAAK,CAAC,CACjBC,WAAY,6BACZC,KAAM,CACFL,MAAOA,UAIP,GAAGM,MAAK,SAASjB,aACjBkB,SAAW,GACXC,EAAI,SAGRxB,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5Bc,SAASb,KAAKR,UAAUuB,OAAO,iDAAkDhB,UAI9ET,EAAE0B,KAAKC,MAAM3B,EAAE0B,KAAMH,UAAUD,MAAK,eACnCD,KAAOO,UACX5B,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BA,KAAKK,OAASO,KAAKG,GACnBA,OAEJP,QAAQZ,eAIbwB,KAAKX"}
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diff --git a/admin/tool/dataprivacy/amd/build/myrequestactions.min.js b/admin/tool/dataprivacy/amd/build/myrequestactions.min.js
index 393feb16c39..06d4aa8b70b 100644
--- a/admin/tool/dataprivacy/amd/build/myrequestactions.min.js
+++ b/admin/tool/dataprivacy/amd/build/myrequestactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/myrequestactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates","core/pending"],function(a,b,c,d,e,f,g,h){var i={CANCEL_REQUEST:"[data-action=\"cancel\"]",CONTACT_DPO:"[data-action=\"contactdpo\"]"},j=function(){this.registerEvents()};j.prototype.registerEvents=function(){a(i.CANCEL_REQUEST).click(function(g){g.preventDefault();var h=a(this).data("requestid");d.get_strings([{key:"cancelrequest",component:"tool_dataprivacy"},{key:"cancelrequestconfirmation",component:"tool_dataprivacy"}]).then(function(a){var d=a[0],g=a[1];return e.create({title:d,body:g,type:e.types.SAVE_CANCEL}).then(function(a){a.setSaveButtonText(d);a.getRoot().on(f.save,function(){b.call([{methodname:"tool_dataprivacy_cancel_data_request",args:{requestid:h}}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)});a.getRoot().on(f.hidden,function(){a.destroy()});return a})}).done(function(a){a.show()}).fail(c.exception)});a(i.CONTACT_DPO).click(function(b){var i=new h("dataprivacy/crud:initModal:contactdpo");b.preventDefault();var j=a(this).data("replytoemail"),l="";d.get_strings([{key:"contactdataprotectionofficer",component:"tool_dataprivacy"},{key:"send",component:"tool_dataprivacy"}]).then(function(a){var b=a[0];l=a[1];return e.create({title:b,body:g.render("tool_dataprivacy/contact_dpo",{replytoemail:j}),type:e.types.SAVE_CANCEL,large:!0})}).then(function(b){b.setSaveButtonText(l);b.show();b.getRoot().on(f.save,function(b){var c=a("#message").val().trim();if(0===c.length){b.preventDefault();a("[data-region=\"messageinput\"]").addClass("has-danger notifyproblem");a("#id_error_message").removeAttr("hidden")}else{k(c)}});b.getRoot().on(f.hidden,function(){b.destroy()})}).then(i.resolve).catch(c.exception)})};function k(a){var e="success";b.call([{methodname:"tool_dataprivacy_contact_dpo",args:{message:a}}])[0].then(function(a){if(a.result){return d.get_string("requestsubmitted","tool_dataprivacy")}e="error";return a.warnings.join("<br>")}).done(function(a){c.addNotification({message:a,type:e})}).fail(c.exception)}return{init:function init(){return new j}}});
-//# sourceMappingURL=myrequestactions.min.js.map
+/**
+ * AMD module to enable users to manage their own data requests.
+ *
+ * @module     tool_dataprivacy/myrequestactions
+ * @package    tool_dataprivacy
+ * @copyright  2018 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/myrequestactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates","core/pending"],(function($,Ajax,Notification,Str,ModalFactory,ModalEvents,Templates,Pending){var ACTIONS_CANCEL_REQUEST='[data-action="cancel"]',ACTIONS_CONTACT_DPO='[data-action="contactdpo"]',MyRequestActions=function(){this.registerEvents()};return MyRequestActions.prototype.registerEvents=function(){$(ACTIONS_CANCEL_REQUEST).click((function(e){e.preventDefault();var requestId=$(this).data("requestid");Str.get_strings([{key:"cancelrequest",component:"tool_dataprivacy"},{key:"cancelrequestconfirmation",component:"tool_dataprivacy"}]).then((function(langStrings){var title=langStrings[0],confirmMessage=langStrings[1];return ModalFactory.create({title:title,body:confirmMessage,type:ModalFactory.types.SAVE_CANCEL}).then((function(modal){return modal.setSaveButtonText(title),modal.getRoot().on(ModalEvents.save,(function(){var request={methodname:"tool_dataprivacy_cancel_data_request",args:{requestid:requestId}};Ajax.call([request])[0].done((function(data){data.result?window.location.reload():Notification.addNotification({message:data.warnings[0].message,type:"error"})})).fail(Notification.exception)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal}))})).done((function(modal){modal.show()})).fail(Notification.exception)})),$(ACTIONS_CONTACT_DPO).click((function(e){var pendingPromise=new Pending("dataprivacy/crud:initModal:contactdpo");e.preventDefault();var replyToEmail=$(this).data("replytoemail"),sendButtonText="";Str.get_strings([{key:"contactdataprotectionofficer",component:"tool_dataprivacy"},{key:"send",component:"tool_dataprivacy"}]).then((function(langStrings){var modalTitle=langStrings[0];sendButtonText=langStrings[1];var context={replytoemail:replyToEmail};return ModalFactory.create({title:modalTitle,body:Templates.render("tool_dataprivacy/contact_dpo",context),type:ModalFactory.types.SAVE_CANCEL,large:!0})})).then((function(modal){modal.setSaveButtonText(sendButtonText),modal.show(),modal.getRoot().on(ModalEvents.save,(function(e){var message=$("#message").val().trim();0===message.length?(e.preventDefault(),$('[data-region="messageinput"]').addClass("has-danger notifyproblem"),$("#id_error_message").removeAttr("hidden")):function(message){var request={methodname:"tool_dataprivacy_contact_dpo",args:{message:message}},requestType="success";Ajax.call([request])[0].then((function(data){return data.result?Str.get_string("requestsubmitted","tool_dataprivacy"):(requestType="error",data.warnings.join("<br>"))})).done((function(message){Notification.addNotification({message:message,type:requestType})})).fail(Notification.exception)}(message)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()}))})).then(pendingPromise.resolve).catch(Notification.exception)}))},{init:function(){return new MyRequestActions}}}));
+
+//# sourceMappingURL=myrequestactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/myrequestactions.min.js.map b/admin/tool/dataprivacy/amd/build/myrequestactions.min.js.map
index c9f78ed452a..a94b8eba3b8 100644
--- a/admin/tool/dataprivacy/amd/build/myrequestactions.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/myrequestactions.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/myrequestactions.js"],"names":["define","$","Ajax","Notification","Str","ModalFactory","ModalEvents","Templates","Pending","ACTIONS","CANCEL_REQUEST","CONTACT_DPO","MyRequestActions","registerEvents","prototype","click","e","preventDefault","requestId","data","get_strings","key","component","then","langStrings","title","confirmMessage","create","body","type","types","SAVE_CANCEL","modal","setSaveButtonText","getRoot","on","save","call","methodname","args","done","result","window","location","reload","addNotification","message","warnings","fail","exception","hidden","destroy","show","pendingPromise","replyToEmail","sendButtonText","modalTitle","render","large","val","trim","length","addClass","removeAttr","sendMessageToDPO","resolve","catch","requestType","get_string","join"],"mappings":"AAuBAA,OAAM,qCAAC,CACH,QADG,CAEH,WAFG,CAGH,mBAHG,CAIH,UAJG,CAKH,oBALG,CAMH,mBANG,CAOH,gBAPG,CAQH,cARG,CAAD,CASN,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAgCC,CAAhC,CAAqCC,CAArC,CAAmDC,CAAnD,CAAgEC,CAAhE,CAA2EC,CAA3E,CAAoF,IAQ5EC,CAAAA,CAAO,CAAG,CACVC,cAAc,CAAE,0BADN,CAEVC,WAAW,CAAE,8BAFH,CARkE,CAgB5EC,CAAgB,CAAG,UAAW,CAC9B,KAAKC,cAAL,EACH,CAlB+E,CAuBhFD,CAAgB,CAACE,SAAjB,CAA2BD,cAA3B,CAA4C,UAAW,CACnDZ,CAAC,CAACQ,CAAO,CAACC,cAAT,CAAD,CAA0BK,KAA1B,CAAgC,SAASC,CAAT,CAAY,CACxCA,CAAC,CAACC,cAAF,GADwC,GAGpCC,CAAAA,CAAS,CAAGjB,CAAC,CAAC,IAAD,CAAD,CAAQkB,IAAR,CAAa,WAAb,CAHwB,CAexCf,CAAG,CAACgB,WAAJ,CAXiB,CACb,CACIC,GAAG,CAAE,eADT,CAEIC,SAAS,CAAE,kBAFf,CADa,CAKb,CACID,GAAG,CAAE,2BADT,CAEIC,SAAS,CAAE,kBAFf,CALa,CAWjB,EAA4BC,IAA5B,CAAiC,SAASC,CAAT,CAAsB,IAC/CC,CAAAA,CAAK,CAAGD,CAAW,CAAC,CAAD,CAD4B,CAE/CE,CAAc,CAAGF,CAAW,CAAC,CAAD,CAFmB,CAGnD,MAAOnB,CAAAA,CAAY,CAACsB,MAAb,CAAoB,CACvBF,KAAK,CAAEA,CADgB,CAEvBG,IAAI,CAAEF,CAFiB,CAGvBG,IAAI,CAAExB,CAAY,CAACyB,KAAb,CAAmBC,WAHF,CAApB,EAIJR,IAJI,CAIC,SAASS,CAAT,CAAgB,CACpBA,CAAK,CAACC,iBAAN,CAAwBR,CAAxB,EAGAO,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmB7B,CAAW,CAAC8B,IAA/B,CAAqC,UAAW,CAW5ClC,CAAI,CAACmC,IAAL,CAAU,CALI,CACVC,UAAU,CAAE,sCADF,CAEVC,IAAI,CANK,CACT,UAAarB,CADJ,CAIC,CAKJ,CAAV,EAAqB,CAArB,EAAwBsB,IAAxB,CAA6B,SAASrB,CAAT,CAAe,CACxC,GAAIA,CAAI,CAACsB,MAAT,CAAiB,CACbC,MAAM,CAACC,QAAP,CAAgBC,MAAhB,EACH,CAFD,IAEO,CACHzC,CAAY,CAAC0C,eAAb,CAA6B,CACzBC,OAAO,CAAE3B,CAAI,CAAC4B,QAAL,CAAc,CAAd,EAAiBD,OADD,CAEzBjB,IAAI,CAAE,OAFmB,CAA7B,CAIH,CACJ,CATD,EASGmB,IATH,CASQ7C,CAAY,CAAC8C,SATrB,CAUH,CArBD,EAwBAjB,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmB7B,CAAW,CAAC4C,MAA/B,CAAuC,UAAW,CAE9ClB,CAAK,CAACmB,OAAN,EACH,CAHD,EAKA,MAAOnB,CAAAA,CACV,CAtCM,CAuCV,CA1CD,EA0CGQ,IA1CH,CA0CQ,SAASR,CAAT,CAAgB,CAEpBA,CAAK,CAACoB,IAAN,EAEH,CA9CD,EA8CGJ,IA9CH,CA8CQ7C,CAAY,CAAC8C,SA9CrB,CA+CH,CA9DD,EAgEAhD,CAAC,CAACQ,CAAO,CAACE,WAAT,CAAD,CAAuBI,KAAvB,CAA6B,SAASC,CAAT,CAAY,CACrC,GAAIqC,CAAAA,CAAc,CAAG,GAAI7C,CAAAA,CAAJ,CAAY,uCAAZ,CAArB,CACAQ,CAAC,CAACC,cAAF,GAFqC,GAIjCqC,CAAAA,CAAY,CAAGrD,CAAC,CAAC,IAAD,CAAD,CAAQkB,IAAR,CAAa,cAAb,CAJkB,CAiBjCoC,CAAc,CAAG,EAjBgB,CAkBrCnD,CAAG,CAACgB,WAAJ,CAZW,CACP,CACIC,GAAG,CAAE,8BADT,CAEIC,SAAS,CAAE,kBAFf,CADO,CAKP,CACID,GAAG,CAAE,MADT,CAEIC,SAAS,CAAE,kBAFf,CALO,CAYX,EAAsBC,IAAtB,CAA2B,SAASC,CAAT,CAAsB,CAC7C,GAAIgC,CAAAA,CAAU,CAAGhC,CAAW,CAAC,CAAD,CAA5B,CACA+B,CAAc,CAAG/B,CAAW,CAAC,CAAD,CAA5B,CAIA,MAAOnB,CAAAA,CAAY,CAACsB,MAAb,CAAoB,CACvBF,KAAK,CAAE+B,CADgB,CAEvB5B,IAAI,CAAErB,CAAS,CAACkD,MAAV,CAAiB,8BAAjB,CALI,CACV,aAAgBH,CADN,CAKJ,CAFiB,CAGvBzB,IAAI,CAAExB,CAAY,CAACyB,KAAb,CAAmBC,WAHF,CAIvB2B,KAAK,GAJkB,CAApB,CAMV,CAZD,EAYGnC,IAZH,CAYQ,SAASS,CAAT,CAAgB,CACpBA,CAAK,CAACC,iBAAN,CAAwBsB,CAAxB,EAGAvB,CAAK,CAACoB,IAAN,GAGApB,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmB7B,CAAW,CAAC8B,IAA/B,CAAqC,SAASpB,CAAT,CAAY,CAC7C,GAAI8B,CAAAA,CAAO,CAAG7C,CAAC,CAAC,UAAD,CAAD,CAAc0D,GAAd,GAAoBC,IAApB,EAAd,CACA,GAAuB,CAAnB,GAAAd,CAAO,CAACe,MAAZ,CAA0B,CACtB7C,CAAC,CAACC,cAAF,GAEAhB,CAAC,CAAC,gCAAD,CAAD,CAAkC6D,QAAlC,CAA2C,0BAA3C,EACA7D,CAAC,CAAC,mBAAD,CAAD,CAAuB8D,UAAvB,CAAkC,QAAlC,CACH,CALD,IAKO,CAEHC,CAAgB,CAAClB,CAAD,CACnB,CACJ,CAXD,EAcAd,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmB7B,CAAW,CAAC4C,MAA/B,CAAuC,UAAW,CAE9ClB,CAAK,CAACmB,OAAN,EACH,CAHD,CAMH,CAvCD,EAuCG5B,IAvCH,CAuCQ8B,CAAc,CAACY,OAvCvB,EAwCCC,KAxCD,CAwCO/D,CAAY,CAAC8C,SAxCpB,CAyCH,CA3DD,CA4DH,CA7HD,CAoIA,QAASe,CAAAA,CAAT,CAA0BlB,CAA1B,CAAmC,IAQ3BqB,CAAAA,CAAW,CAAG,SARa,CAS/BjE,CAAI,CAACmC,IAAL,CAAU,CARI,CACVC,UAAU,CAAE,8BADF,CAEVC,IAAI,CAAE,CACFO,OAAO,CAAEA,CADP,CAFI,CAQJ,CAAV,EAAqB,CAArB,EAAwBvB,IAAxB,CAA6B,SAASJ,CAAT,CAAe,CACxC,GAAIA,CAAI,CAACsB,MAAT,CAAiB,CACb,MAAOrC,CAAAA,CAAG,CAACgE,UAAJ,CAAe,kBAAf,CAAmC,kBAAnC,CACV,CACDD,CAAW,CAAG,OAAd,CACA,MAAOhD,CAAAA,CAAI,CAAC4B,QAAL,CAAcsB,IAAd,CAAmB,MAAnB,CAEV,CAPD,EAOG7B,IAPH,CAOQ,SAASM,CAAT,CAAkB,CACtB3C,CAAY,CAAC0C,eAAb,CAA6B,CACzBC,OAAO,CAAEA,CADgB,CAEzBjB,IAAI,CAAEsC,CAFmB,CAA7B,CAKH,CAbD,EAaGnB,IAbH,CAaQ7C,CAAY,CAAC8C,SAbrB,CAcH,CAED,MAA8D,CAS1D,KAAQ,eAAW,CACf,MAAO,IAAIrC,CAAAA,CACd,CAXyD,CAajE,CA1MK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module to enable users to manage their own data requests.\n *\n * @module     tool_dataprivacy/myrequestactions\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events',\n    'core/templates',\n    'core/pending'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents, Templates, Pending) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{CANCEL_REQUEST: string}}\n     * @type {{CONTACT_DPO: string}}\n     */\n    var ACTIONS = {\n        CANCEL_REQUEST: '[data-action=\"cancel\"]',\n        CONTACT_DPO: '[data-action=\"contactdpo\"]',\n    };\n\n    /**\n     * MyRequestActions class.\n     */\n    var MyRequestActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    MyRequestActions.prototype.registerEvents = function() {\n        $(ACTIONS.CANCEL_REQUEST).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n            var stringkeys = [\n                {\n                    key: 'cancelrequest',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'cancelrequestconfirmation',\n                    component: 'tool_dataprivacy'\n                }\n            ];\n\n            Str.get_strings(stringkeys).then(function(langStrings) {\n                var title = langStrings[0];\n                var confirmMessage = langStrings[1];\n                return ModalFactory.create({\n                    title: title,\n                    body: confirmMessage,\n                    type: ModalFactory.types.SAVE_CANCEL\n                }).then(function(modal) {\n                    modal.setSaveButtonText(title);\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function() {\n                        // Cancel the request.\n                        var params = {\n                            'requestid': requestId\n                        };\n\n                        var request = {\n                            methodname: 'tool_dataprivacy_cancel_data_request',\n                            args: params\n                        };\n\n                        Ajax.call([request])[0].done(function(data) {\n                            if (data.result) {\n                                window.location.reload();\n                            } else {\n                                Notification.addNotification({\n                                    message: data.warnings[0].message,\n                                    type: 'error'\n                                });\n                            }\n                        }).fail(Notification.exception);\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    return modal;\n                });\n            }).done(function(modal) {\n                // Show the modal!\n                modal.show();\n\n            }).fail(Notification.exception);\n        });\n\n        $(ACTIONS.CONTACT_DPO).click(function(e) {\n            var pendingPromise = new Pending('dataprivacy/crud:initModal:contactdpo');\n            e.preventDefault();\n\n            var replyToEmail = $(this).data('replytoemail');\n\n            var keys = [\n                {\n                    key: 'contactdataprotectionofficer',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'send',\n                    component: 'tool_dataprivacy'\n                },\n            ];\n\n            var sendButtonText = '';\n            Str.get_strings(keys).then(function(langStrings) {\n                var modalTitle = langStrings[0];\n                sendButtonText = langStrings[1];\n                var context = {\n                    'replytoemail': replyToEmail\n                };\n                return ModalFactory.create({\n                    title: modalTitle,\n                    body: Templates.render('tool_dataprivacy/contact_dpo', context),\n                    type: ModalFactory.types.SAVE_CANCEL,\n                    large: true\n                });\n            }).then(function(modal) {\n                modal.setSaveButtonText(sendButtonText);\n\n                // Show the modal!\n                modal.show();\n\n                // Handle send event.\n                modal.getRoot().on(ModalEvents.save, function(e) {\n                    var message = $('#message').val().trim();\n                    if (message.length === 0) {\n                        e.preventDefault();\n                        // Show validation error when the message is empty.\n                        $('[data-region=\"messageinput\"]').addClass('has-danger notifyproblem');\n                        $('#id_error_message').removeAttr('hidden');\n                    } else {\n                        // Send the message.\n                        sendMessageToDPO(message);\n                    }\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                return;\n            }).then(pendingPromise.resolve)\n            .catch(Notification.exception);\n        });\n    };\n\n    /**\n     * Send message to the Data Protection Officer.\n     *\n     * @param {String} message The message to send.\n     */\n    function sendMessageToDPO(message) {\n        var request = {\n            methodname: 'tool_dataprivacy_contact_dpo',\n            args: {\n                message: message\n            }\n        };\n\n        var requestType = 'success';\n        Ajax.call([request])[0].then(function(data) {\n            if (data.result) {\n                return Str.get_string('requestsubmitted', 'tool_dataprivacy');\n            }\n            requestType = 'error';\n            return data.warnings.join('<br>');\n\n        }).done(function(message) {\n            Notification.addNotification({\n                message: message,\n                type: requestType\n            });\n\n        }).fail(Notification.exception);\n    }\n\n    return /** @alias module:tool_dataprivacy/myrequestactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the unified user filter.\n         *\n         * @method init\n         * @return {MyRequestActions}\n         */\n        'init': function() {\n            return new MyRequestActions();\n        }\n    };\n});\n"],"file":"myrequestactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"myrequestactions.min.js","sources":["../src/myrequestactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module to enable users to manage their own data requests.\n *\n * @module     tool_dataprivacy/myrequestactions\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events',\n    'core/templates',\n    'core/pending'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents, Templates, Pending) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{CANCEL_REQUEST: string}}\n     * @type {{CONTACT_DPO: string}}\n     */\n    var ACTIONS = {\n        CANCEL_REQUEST: '[data-action=\"cancel\"]',\n        CONTACT_DPO: '[data-action=\"contactdpo\"]',\n    };\n\n    /**\n     * MyRequestActions class.\n     */\n    var MyRequestActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    MyRequestActions.prototype.registerEvents = function() {\n        $(ACTIONS.CANCEL_REQUEST).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n            var stringkeys = [\n                {\n                    key: 'cancelrequest',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'cancelrequestconfirmation',\n                    component: 'tool_dataprivacy'\n                }\n            ];\n\n            Str.get_strings(stringkeys).then(function(langStrings) {\n                var title = langStrings[0];\n                var confirmMessage = langStrings[1];\n                return ModalFactory.create({\n                    title: title,\n                    body: confirmMessage,\n                    type: ModalFactory.types.SAVE_CANCEL\n                }).then(function(modal) {\n                    modal.setSaveButtonText(title);\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function() {\n                        // Cancel the request.\n                        var params = {\n                            'requestid': requestId\n                        };\n\n                        var request = {\n                            methodname: 'tool_dataprivacy_cancel_data_request',\n                            args: params\n                        };\n\n                        Ajax.call([request])[0].done(function(data) {\n                            if (data.result) {\n                                window.location.reload();\n                            } else {\n                                Notification.addNotification({\n                                    message: data.warnings[0].message,\n                                    type: 'error'\n                                });\n                            }\n                        }).fail(Notification.exception);\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    return modal;\n                });\n            }).done(function(modal) {\n                // Show the modal!\n                modal.show();\n\n            }).fail(Notification.exception);\n        });\n\n        $(ACTIONS.CONTACT_DPO).click(function(e) {\n            var pendingPromise = new Pending('dataprivacy/crud:initModal:contactdpo');\n            e.preventDefault();\n\n            var replyToEmail = $(this).data('replytoemail');\n\n            var keys = [\n                {\n                    key: 'contactdataprotectionofficer',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'send',\n                    component: 'tool_dataprivacy'\n                },\n            ];\n\n            var sendButtonText = '';\n            Str.get_strings(keys).then(function(langStrings) {\n                var modalTitle = langStrings[0];\n                sendButtonText = langStrings[1];\n                var context = {\n                    'replytoemail': replyToEmail\n                };\n                return ModalFactory.create({\n                    title: modalTitle,\n                    body: Templates.render('tool_dataprivacy/contact_dpo', context),\n                    type: ModalFactory.types.SAVE_CANCEL,\n                    large: true\n                });\n            }).then(function(modal) {\n                modal.setSaveButtonText(sendButtonText);\n\n                // Show the modal!\n                modal.show();\n\n                // Handle send event.\n                modal.getRoot().on(ModalEvents.save, function(e) {\n                    var message = $('#message').val().trim();\n                    if (message.length === 0) {\n                        e.preventDefault();\n                        // Show validation error when the message is empty.\n                        $('[data-region=\"messageinput\"]').addClass('has-danger notifyproblem');\n                        $('#id_error_message').removeAttr('hidden');\n                    } else {\n                        // Send the message.\n                        sendMessageToDPO(message);\n                    }\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                return;\n            }).then(pendingPromise.resolve)\n            .catch(Notification.exception);\n        });\n    };\n\n    /**\n     * Send message to the Data Protection Officer.\n     *\n     * @param {String} message The message to send.\n     */\n    function sendMessageToDPO(message) {\n        var request = {\n            methodname: 'tool_dataprivacy_contact_dpo',\n            args: {\n                message: message\n            }\n        };\n\n        var requestType = 'success';\n        Ajax.call([request])[0].then(function(data) {\n            if (data.result) {\n                return Str.get_string('requestsubmitted', 'tool_dataprivacy');\n            }\n            requestType = 'error';\n            return data.warnings.join('<br>');\n\n        }).done(function(message) {\n            Notification.addNotification({\n                message: message,\n                type: requestType\n            });\n\n        }).fail(Notification.exception);\n    }\n\n    return /** @alias module:tool_dataprivacy/myrequestactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the unified user filter.\n         *\n         * @method init\n         * @return {MyRequestActions}\n         */\n        'init': function() {\n            return new MyRequestActions();\n        }\n    };\n});\n"],"names":["define","$","Ajax","Notification","Str","ModalFactory","ModalEvents","Templates","Pending","ACTIONS","MyRequestActions","registerEvents","prototype","click","e","preventDefault","requestId","this","data","get_strings","key","component","then","langStrings","title","confirmMessage","create","body","type","types","SAVE_CANCEL","modal","setSaveButtonText","getRoot","on","save","request","methodname","args","call","done","result","window","location","reload","addNotification","message","warnings","fail","exception","hidden","destroy","show","pendingPromise","replyToEmail","sendButtonText","modalTitle","context","render","large","val","trim","length","addClass","removeAttr","requestType","get_string","join","sendMessageToDPO","resolve","catch"],"mappings":";;;;;;;;AAuBAA,2CAAO,CACH,SACA,YACA,oBACA,WACA,qBACA,oBACA,iBACA,iBACJ,SAASC,EAAGC,KAAMC,aAAcC,IAAKC,aAAcC,YAAaC,UAAWC,aAQnEC,uBACgB,yBADhBA,oBAEa,6BAMbC,iBAAmB,gBACdC,yBAMTD,iBAAiBE,UAAUD,eAAiB,WACxCV,EAAEQ,wBAAwBI,OAAM,SAASC,GACrCA,EAAEC,qBAEEC,UAAYf,EAAEgB,MAAMC,KAAK,aAY7Bd,IAAIe,YAXa,CACb,CACIC,IAAK,gBACLC,UAAW,oBAEf,CACID,IAAK,4BACLC,UAAW,sBAISC,MAAK,SAASC,iBAClCC,MAAQD,YAAY,GACpBE,eAAiBF,YAAY,UAC1BlB,aAAaqB,OAAO,CACvBF,MAAOA,MACPG,KAAMF,eACNG,KAAMvB,aAAawB,MAAMC,cAC1BR,MAAK,SAASS,cACbA,MAAMC,kBAAkBR,OAGxBO,MAAME,UAAUC,GAAG5B,YAAY6B,MAAM,eAM7BC,QAAU,CACVC,WAAY,uCACZC,KANS,WACItB,YAQjBd,KAAKqC,KAAK,CAACH,UAAU,GAAGI,MAAK,SAAStB,MAC9BA,KAAKuB,OACLC,OAAOC,SAASC,SAEhBzC,aAAa0C,gBAAgB,CACzBC,QAAS5B,KAAK6B,SAAS,GAAGD,QAC1BlB,KAAM,aAGfoB,KAAK7C,aAAa8C,cAIzBlB,MAAME,UAAUC,GAAG5B,YAAY4C,QAAQ,WAEnCnB,MAAMoB,aAGHpB,YAEZS,MAAK,SAAST,OAEbA,MAAMqB,UAEPJ,KAAK7C,aAAa8C,cAGzBhD,EAAEQ,qBAAqBI,OAAM,SAASC,OAC9BuC,eAAiB,IAAI7C,QAAQ,yCACjCM,EAAEC,qBAEEuC,aAAerD,EAAEgB,MAAMC,KAAK,gBAa5BqC,eAAiB,GACrBnD,IAAIe,YAZO,CACP,CACIC,IAAK,+BACLC,UAAW,oBAEf,CACID,IAAK,OACLC,UAAW,sBAKGC,MAAK,SAASC,iBAC5BiC,WAAajC,YAAY,GAC7BgC,eAAiBhC,YAAY,OACzBkC,QAAU,cACMH,qBAEbjD,aAAaqB,OAAO,CACvBF,MAAOgC,WACP7B,KAAMpB,UAAUmD,OAAO,+BAAgCD,SACvD7B,KAAMvB,aAAawB,MAAMC,YACzB6B,OAAO,OAEZrC,MAAK,SAASS,OACbA,MAAMC,kBAAkBuB,gBAGxBxB,MAAMqB,OAGNrB,MAAME,UAAUC,GAAG5B,YAAY6B,MAAM,SAASrB,OACtCgC,QAAU7C,EAAE,YAAY2D,MAAMC,OACX,IAAnBf,QAAQgB,QACRhD,EAAEC,iBAEFd,EAAE,gCAAgC8D,SAAS,4BAC3C9D,EAAE,qBAAqB+D,WAAW,oBAwB5BlB,aAClBV,QAAU,CACVC,WAAY,+BACZC,KAAM,CACFQ,QAASA,UAIbmB,YAAc,UAClB/D,KAAKqC,KAAK,CAACH,UAAU,GAAGd,MAAK,SAASJ,aAC9BA,KAAKuB,OACErC,IAAI8D,WAAW,mBAAoB,qBAE9CD,YAAc,QACP/C,KAAK6B,SAASoB,KAAK,YAE3B3B,MAAK,SAASM,SACb3C,aAAa0C,gBAAgB,CACzBC,QAASA,QACTlB,KAAMqC,iBAGXjB,KAAK7C,aAAa8C,WA3CLmB,CAAiBtB,YAKzBf,MAAME,UAAUC,GAAG5B,YAAY4C,QAAQ,WAEnCnB,MAAMoB,gBAIX7B,KAAK+B,eAAegB,SACtBC,MAAMnE,aAAa8C,eAkCkC,MASlD,kBACG,IAAIvC"}
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/purposesactions.min.js b/admin/tool/dataprivacy/amd/build/purposesactions.min.js
index 765e5ef4102..2bda8d410fa 100644
--- a/admin/tool/dataprivacy/amd/build/purposesactions.min.js
+++ b/admin/tool/dataprivacy/amd/build/purposesactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/purposesactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f){var g={DELETE:"[data-action=\"deletepurpose\"]"},h=function(){this.registerEvents()};h.prototype.registerEvents=function(){a(g.DELETE).click(function(g){g.preventDefault();var h=a(this).data("id"),i=a(this).data("name");d.get_strings([{key:"deletepurpose",component:"tool_dataprivacy"},{key:"deletepurposetext",component:"tool_dataprivacy",param:i},{key:"delete"}]).then(function(d){var g=d[0],i=d[1],j=d[2];return e.create({title:g,body:i,type:e.types.SAVE_CANCEL}).then(function(d){d.setSaveButtonText(j);d.getRoot().on(f.save,function(){b.call([{methodname:"tool_dataprivacy_delete_purpose",args:{id:h}}])[0].done(function(b){if(b.result){a("tr[data-purposeid=\""+h+"\"]").remove()}else{c.addNotification({message:b.warnings[0].message,type:"error"})}}).fail(c.exception)});d.getRoot().on(f.hidden,function(){d.destroy()});return d})}).done(function(a){a.show()}).fail(c.exception)})};return{init:function init(){return new h}}});
-//# sourceMappingURL=purposesactions.min.js.map
+/**
+ * AMD module for purposes actions.
+ *
+ * @module     tool_dataprivacy/purposesactions
+ * @package    tool_dataprivacy
+ * @copyright  2018 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/purposesactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events"],(function($,Ajax,Notification,Str,ModalFactory,ModalEvents){var ACTIONS_DELETE='[data-action="deletepurpose"]',PurposesActions=function(){this.registerEvents()};return PurposesActions.prototype.registerEvents=function(){$(ACTIONS_DELETE).click((function(e){e.preventDefault();var id=$(this).data("id"),stringkeys=[{key:"deletepurpose",component:"tool_dataprivacy"},{key:"deletepurposetext",component:"tool_dataprivacy",param:$(this).data("name")},{key:"delete"}];Str.get_strings(stringkeys).then((function(langStrings){var title=langStrings[0],confirmMessage=langStrings[1],buttonText=langStrings[2];return ModalFactory.create({title:title,body:confirmMessage,type:ModalFactory.types.SAVE_CANCEL}).then((function(modal){return modal.setSaveButtonText(buttonText),modal.getRoot().on(ModalEvents.save,(function(){var request={methodname:"tool_dataprivacy_delete_purpose",args:{id:id}};Ajax.call([request])[0].done((function(data){data.result?$('tr[data-purposeid="'+id+'"]').remove():Notification.addNotification({message:data.warnings[0].message,type:"error"})})).fail(Notification.exception)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal}))})).done((function(modal){modal.show()})).fail(Notification.exception)}))},{init:function(){return new PurposesActions}}}));
+
+//# sourceMappingURL=purposesactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/purposesactions.min.js.map b/admin/tool/dataprivacy/amd/build/purposesactions.min.js.map
index 3762f307df0..ec4f7272c68 100644
--- a/admin/tool/dataprivacy/amd/build/purposesactions.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/purposesactions.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for purposes actions.\n *\n * @module     tool_dataprivacy/purposesactions\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{DELETE: string}}\n     */\n    var ACTIONS = {\n        DELETE: '[data-action=\"deletepurpose\"]',\n    };\n\n    /**\n     * PurposesActions class.\n     */\n    var PurposesActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    PurposesActions.prototype.registerEvents = function() {\n        $(ACTIONS.DELETE).click(function(e) {\n            e.preventDefault();\n\n            var id = $(this).data('id');\n            var purposename = $(this).data('name');\n            var stringkeys = [\n                {\n                    key: 'deletepurpose',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'deletepurposetext',\n                    component: 'tool_dataprivacy',\n                    param: purposename\n                },\n                {\n                    key: 'delete'\n                }\n            ];\n\n            Str.get_strings(stringkeys).then(function(langStrings) {\n                var title = langStrings[0];\n                var confirmMessage = langStrings[1];\n                var buttonText = langStrings[2];\n                return ModalFactory.create({\n                    title: title,\n                    body: confirmMessage,\n                    type: ModalFactory.types.SAVE_CANCEL\n                }).then(function(modal) {\n                    modal.setSaveButtonText(buttonText);\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function() {\n\n                        var request = {\n                            methodname: 'tool_dataprivacy_delete_purpose',\n                            args: {'id': id}\n                        };\n\n                        Ajax.call([request])[0].done(function(data) {\n                            if (data.result) {\n                                $('tr[data-purposeid=\"' + id + '\"]').remove();\n                            } else {\n                                Notification.addNotification({\n                                    message: data.warnings[0].message,\n                                    type: 'error'\n                                });\n                            }\n                        }).fail(Notification.exception);\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    return modal;\n                });\n            }).done(function(modal) {\n                modal.show();\n\n            }).fail(Notification.exception);\n        });\n    };\n\n    return /** @alias module:tool_dataprivacy/purposesactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the module.\n         *\n         * @method init\n         * @return {PurposesActions}\n         */\n        'init': function() {\n            return new PurposesActions();\n        }\n    };\n});\n"],"file":"purposesactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"purposesactions.min.js","sources":["../src/purposesactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for purposes actions.\n *\n * @module     tool_dataprivacy/purposesactions\n * @package    tool_dataprivacy\n * @copyright  2018 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{DELETE: string}}\n     */\n    var ACTIONS = {\n        DELETE: '[data-action=\"deletepurpose\"]',\n    };\n\n    /**\n     * PurposesActions class.\n     */\n    var PurposesActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    PurposesActions.prototype.registerEvents = function() {\n        $(ACTIONS.DELETE).click(function(e) {\n            e.preventDefault();\n\n            var id = $(this).data('id');\n            var purposename = $(this).data('name');\n            var stringkeys = [\n                {\n                    key: 'deletepurpose',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'deletepurposetext',\n                    component: 'tool_dataprivacy',\n                    param: purposename\n                },\n                {\n                    key: 'delete'\n                }\n            ];\n\n            Str.get_strings(stringkeys).then(function(langStrings) {\n                var title = langStrings[0];\n                var confirmMessage = langStrings[1];\n                var buttonText = langStrings[2];\n                return ModalFactory.create({\n                    title: title,\n                    body: confirmMessage,\n                    type: ModalFactory.types.SAVE_CANCEL\n                }).then(function(modal) {\n                    modal.setSaveButtonText(buttonText);\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function() {\n\n                        var request = {\n                            methodname: 'tool_dataprivacy_delete_purpose',\n                            args: {'id': id}\n                        };\n\n                        Ajax.call([request])[0].done(function(data) {\n                            if (data.result) {\n                                $('tr[data-purposeid=\"' + id + '\"]').remove();\n                            } else {\n                                Notification.addNotification({\n                                    message: data.warnings[0].message,\n                                    type: 'error'\n                                });\n                            }\n                        }).fail(Notification.exception);\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    return modal;\n                });\n            }).done(function(modal) {\n                modal.show();\n\n            }).fail(Notification.exception);\n        });\n    };\n\n    return /** @alias module:tool_dataprivacy/purposesactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the module.\n         *\n         * @method init\n         * @return {PurposesActions}\n         */\n        'init': function() {\n            return new PurposesActions();\n        }\n    };\n});\n"],"names":["define","$","Ajax","Notification","Str","ModalFactory","ModalEvents","ACTIONS","PurposesActions","registerEvents","prototype","click","e","preventDefault","id","this","data","stringkeys","key","component","param","get_strings","then","langStrings","title","confirmMessage","buttonText","create","body","type","types","SAVE_CANCEL","modal","setSaveButtonText","getRoot","on","save","request","methodname","args","call","done","result","remove","addNotification","message","warnings","fail","exception","hidden","destroy","show"],"mappings":";;;;;;;;AAuBAA,0CAAO,CACH,SACA,YACA,oBACA,WACA,qBACA,sBACJ,SAASC,EAAGC,KAAMC,aAAcC,IAAKC,aAAcC,iBAO3CC,eACQ,gCAMRC,gBAAkB,gBACbC,yBAMTD,gBAAgBE,UAAUD,eAAiB,WACvCR,EAAEM,gBAAgBI,OAAM,SAASC,GAC7BA,EAAEC,qBAEEC,GAAKb,EAAEc,MAAMC,KAAK,MAElBC,WAAa,CACb,CACIC,IAAK,gBACLC,UAAW,oBAEf,CACID,IAAK,oBACLC,UAAW,mBACXC,MATUnB,EAAEc,MAAMC,KAAK,SAW3B,CACIE,IAAK,WAIbd,IAAIiB,YAAYJ,YAAYK,MAAK,SAASC,iBAClCC,MAAQD,YAAY,GACpBE,eAAiBF,YAAY,GAC7BG,WAAaH,YAAY,UACtBlB,aAAasB,OAAO,CACvBH,MAAOA,MACPI,KAAMH,eACNI,KAAMxB,aAAayB,MAAMC,cAC1BT,MAAK,SAASU,cACbA,MAAMC,kBAAkBP,YAGxBM,MAAME,UAAUC,GAAG7B,YAAY8B,MAAM,eAE7BC,QAAU,CACVC,WAAY,kCACZC,KAAM,IAAOzB,KAGjBZ,KAAKsC,KAAK,CAACH,UAAU,GAAGI,MAAK,SAASzB,MAC9BA,KAAK0B,OACLzC,EAAE,sBAAwBa,GAAK,MAAM6B,SAErCxC,aAAayC,gBAAgB,CACzBC,QAAS7B,KAAK8B,SAAS,GAAGD,QAC1BhB,KAAM,aAGfkB,KAAK5C,aAAa6C,cAIzBhB,MAAME,UAAUC,GAAG7B,YAAY2C,QAAQ,WAEnCjB,MAAMkB,aAGHlB,YAEZS,MAAK,SAAST,OACbA,MAAMmB,UAEPJ,KAAK5C,aAAa6C,eAIgC,MASjD,kBACG,IAAIxC"}
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/request_filter.min.js b/admin/tool/dataprivacy/amd/build/request_filter.min.js
index ed608348291..e35d1e2d17a 100644
--- a/admin/tool/dataprivacy/amd/build/request_filter.min.js
+++ b/admin/tool/dataprivacy/amd/build/request_filter.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/request_filter",["jquery","core/form-autocomplete","core/str","core/notification"],function(a,b,c,d){var e={REQUEST_FILTERS:"#request-filters"},f=function init(){c.get_strings([{key:"filter",component:"moodle"},{key:"nofiltersapplied",component:"moodle"}]).then(function(a){var c=a[0],d=a[1];return b.enhance(e.REQUEST_FILTERS,!1,"",c,!1,!0,d,!0)}).fail(d.exception);var f=a(e.REQUEST_FILTERS).val();a(e.REQUEST_FILTERS).on("change",function(){var b=a(this).val();if(f.join(",")!==b.join(",")){if(0===b.length){a("#filters-cleared").val(1)}a(this.form).submit()}})};return{init:function init(){f()}}});
-//# sourceMappingURL=request_filter.min.js.map
+/**
+ * JS module for the data requests filter.
+ *
+ * @module     tool_dataprivacy/request_filter
+ * @package    tool_dataprivacy
+ * @copyright  2018 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/request_filter",["jquery","core/form-autocomplete","core/str","core/notification"],(function($,Autocomplete,Str,Notification){var SELECTORS_REQUEST_FILTERS="#request-filters";return{init:function(){!function(){Str.get_strings([{key:"filter",component:"moodle"},{key:"nofiltersapplied",component:"moodle"}]).then((function(langstrings){var placeholder=langstrings[0],noSelectionString=langstrings[1];return Autocomplete.enhance(SELECTORS_REQUEST_FILTERS,!1,"",placeholder,!1,!0,noSelectionString,!0)})).fail(Notification.exception);var last=$(SELECTORS_REQUEST_FILTERS).val();$(SELECTORS_REQUEST_FILTERS).on("change",(function(){var current=$(this).val();last.join(",")!==current.join(",")&&(0===current.length&&$("#filters-cleared").val(1),$(this.form).submit())}))}()}}}));
+
+//# sourceMappingURL=request_filter.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/request_filter.min.js.map b/admin/tool/dataprivacy/amd/build/request_filter.min.js.map
index 0bb55f0f1f0..778bfee2604 100644
--- a/admin/tool/dataprivacy/amd/build/request_filter.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/request_filter.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/request_filter.js"],"names":["define","$","Autocomplete","Str","Notification","SELECTORS","REQUEST_FILTERS","init","get_strings","key","component","then","langstrings","placeholder","noSelectionString","enhance","fail","exception","last","val","on","current","join","length","form","submit"],"mappings":"AAuBAA,OAAM,mCAAC,CAAC,QAAD,CAAW,wBAAX,CAAqC,UAArC,CAAiD,mBAAjD,CAAD,CAAwE,SAASC,CAAT,CAAYC,CAAZ,CAA0BC,CAA1B,CAA+BC,CAA/B,CAA6C,IAQnHC,CAAAA,CAAS,CAAG,CACZC,eAAe,CAAE,kBADL,CARuG,CAkBnHC,CAAI,CAAG,QAAPA,CAAAA,IAAO,EAAW,CAYlBJ,CAAG,CAACK,WAAJ,CAXiB,CACb,CACIC,GAAG,CAAE,QADT,CAEIC,SAAS,CAAE,QAFf,CADa,CAKb,CACID,GAAG,CAAE,kBADT,CAEIC,SAAS,CAAE,QAFf,CALa,CAWjB,EAA4BC,IAA5B,CAAiC,SAASC,CAAT,CAAsB,IAC/CC,CAAAA,CAAW,CAAGD,CAAW,CAAC,CAAD,CADsB,CAE/CE,CAAiB,CAAGF,CAAW,CAAC,CAAD,CAFgB,CAGnD,MAAOV,CAAAA,CAAY,CAACa,OAAb,CAAqBV,CAAS,CAACC,eAA/B,IAAuD,EAAvD,CAA2DO,CAA3D,OAAqFC,CAArF,IACV,CAJD,EAIGE,IAJH,CAIQZ,CAAY,CAACa,SAJrB,EAMA,GAAIC,CAAAA,CAAI,CAAGjB,CAAC,CAACI,CAAS,CAACC,eAAX,CAAD,CAA6Ba,GAA7B,EAAX,CACAlB,CAAC,CAACI,CAAS,CAACC,eAAX,CAAD,CAA6Bc,EAA7B,CAAgC,QAAhC,CAA0C,UAAW,CACjD,GAAIC,CAAAA,CAAO,CAAGpB,CAAC,CAAC,IAAD,CAAD,CAAQkB,GAAR,EAAd,CAEA,GAAID,CAAI,CAACI,IAAL,CAAU,GAAV,IAAmBD,CAAO,CAACC,IAAR,CAAa,GAAb,CAAvB,CAA0C,CAEtC,GAAuB,CAAnB,GAAAD,CAAO,CAACE,MAAZ,CAA0B,CACtBtB,CAAC,CAAC,kBAAD,CAAD,CAAsBkB,GAAtB,CAA0B,CAA1B,CACH,CACDlB,CAAC,CAAC,KAAKuB,IAAN,CAAD,CAAaC,MAAb,EACH,CACJ,CAVD,CAWH,CAhDsH,CAkDvH,MAAmD,CAM/ClB,IAAI,CAAE,eAAW,CACbA,CAAI,EACP,CAR8C,CAUtD,CA5DK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * JS module for the data requests filter.\n *\n * @module     tool_dataprivacy/request_filter\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/form-autocomplete', 'core/str', 'core/notification'], function($, Autocomplete, Str, Notification) {\n\n    /**\n     * Selectors.\n     *\n     * @access private\n     * @type {{REQUEST_FILTERS: string}}\n     */\n    var SELECTORS = {\n        REQUEST_FILTERS: '#request-filters'\n    };\n\n    /**\n     * Init function.\n     *\n     * @method init\n     * @private\n     */\n    var init = function() {\n        var stringkeys = [\n            {\n                key: 'filter',\n                component: 'moodle'\n            },\n            {\n                key: 'nofiltersapplied',\n                component: 'moodle'\n            }\n        ];\n\n        Str.get_strings(stringkeys).then(function(langstrings) {\n            var placeholder = langstrings[0];\n            var noSelectionString = langstrings[1];\n            return Autocomplete.enhance(SELECTORS.REQUEST_FILTERS, false, '', placeholder, false, true, noSelectionString, true);\n        }).fail(Notification.exception);\n\n        var last = $(SELECTORS.REQUEST_FILTERS).val();\n        $(SELECTORS.REQUEST_FILTERS).on('change', function() {\n            var current = $(this).val();\n            // Prevent form from submitting unnecessarily, eg. on blur when no filter is selected.\n            if (last.join(',') !== current.join(',')) {\n                // If we're submitting without filters, set the hidden input 'filters-cleared' to 1.\n                if (current.length === 0) {\n                    $('#filters-cleared').val(1);\n                }\n                $(this.form).submit();\n            }\n        });\n    };\n\n    return /** @alias module:core/form-autocomplete */ {\n        /**\n         * Initialise the unified user filter.\n         *\n         * @method init\n         */\n        init: function() {\n            init();\n        }\n    };\n});\n"],"file":"request_filter.min.js"}
\ No newline at end of file
+{"version":3,"file":"request_filter.min.js","sources":["../src/request_filter.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * JS module for the data requests filter.\n *\n * @module     tool_dataprivacy/request_filter\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/form-autocomplete', 'core/str', 'core/notification'], function($, Autocomplete, Str, Notification) {\n\n    /**\n     * Selectors.\n     *\n     * @access private\n     * @type {{REQUEST_FILTERS: string}}\n     */\n    var SELECTORS = {\n        REQUEST_FILTERS: '#request-filters'\n    };\n\n    /**\n     * Init function.\n     *\n     * @method init\n     * @private\n     */\n    var init = function() {\n        var stringkeys = [\n            {\n                key: 'filter',\n                component: 'moodle'\n            },\n            {\n                key: 'nofiltersapplied',\n                component: 'moodle'\n            }\n        ];\n\n        Str.get_strings(stringkeys).then(function(langstrings) {\n            var placeholder = langstrings[0];\n            var noSelectionString = langstrings[1];\n            return Autocomplete.enhance(SELECTORS.REQUEST_FILTERS, false, '', placeholder, false, true, noSelectionString, true);\n        }).fail(Notification.exception);\n\n        var last = $(SELECTORS.REQUEST_FILTERS).val();\n        $(SELECTORS.REQUEST_FILTERS).on('change', function() {\n            var current = $(this).val();\n            // Prevent form from submitting unnecessarily, eg. on blur when no filter is selected.\n            if (last.join(',') !== current.join(',')) {\n                // If we're submitting without filters, set the hidden input 'filters-cleared' to 1.\n                if (current.length === 0) {\n                    $('#filters-cleared').val(1);\n                }\n                $(this.form).submit();\n            }\n        });\n    };\n\n    return /** @alias module:core/form-autocomplete */ {\n        /**\n         * Initialise the unified user filter.\n         *\n         * @method init\n         */\n        init: function() {\n            init();\n        }\n    };\n});\n"],"names":["define","$","Autocomplete","Str","Notification","SELECTORS","init","get_strings","key","component","then","langstrings","placeholder","noSelectionString","enhance","fail","exception","last","val","on","current","this","join","length","form","submit"],"mappings":";;;;;;;;AAuBAA,yCAAO,CAAC,SAAU,yBAA0B,WAAY,sBAAsB,SAASC,EAAGC,aAAcC,IAAKC,kBAQrGC,0BACiB,yBAyC8B,CAM/CC,KAAM,YAtCC,WAYPH,IAAII,YAXa,CACb,CACIC,IAAK,SACLC,UAAW,UAEf,CACID,IAAK,mBACLC,UAAW,YAISC,MAAK,SAASC,iBAClCC,YAAcD,YAAY,GAC1BE,kBAAoBF,YAAY,UAC7BT,aAAaY,QAAQT,2BAA2B,EAAO,GAAIO,aAAa,GAAO,EAAMC,mBAAmB,MAChHE,KAAKX,aAAaY,eAEjBC,KAAOhB,EAAEI,2BAA2Ba,MACxCjB,EAAEI,2BAA2Bc,GAAG,UAAU,eAClCC,QAAUnB,EAAEoB,MAAMH,MAElBD,KAAKK,KAAK,OAASF,QAAQE,KAAK,OAET,IAAnBF,QAAQG,QACRtB,EAAE,oBAAoBiB,IAAI,GAE9BjB,EAAEoB,KAAKG,MAAMC,aAYjBnB"}
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/requestactions.min.js b/admin/tool/dataprivacy/amd/build/requestactions.min.js
index a15474f55f7..b1671425ff6 100644
--- a/admin/tool/dataprivacy/amd/build/requestactions.min.js
+++ b/admin/tool/dataprivacy/amd/build/requestactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_dataprivacy/requestactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates","tool_dataprivacy/data_request_modal","tool_dataprivacy/events"],function(a,b,c,d,e,f,g,h,i){var j={APPROVE_REQUEST:"[data-action=\"approve\"]",DENY_REQUEST:"[data-action=\"deny\"]",VIEW_REQUEST:"[data-action=\"view\"]",MARK_COMPLETE:"[data-action=\"complete\"]",CHANGE_BULK_ACTION:"[id=\"bulk-action\"]",CONFIRM_BULK_ACTION:"[id=\"confirm-bulk-action\"]",SELECT_ALL:"[data-action=\"selectall\"]"},k={APPROVE:1,DENY:2},l={SELECT_REQUEST:".selectrequests"},m=function(){this.registerEvents()};m.prototype.registerEvents=function(){a(j.VIEW_REQUEST).click(function(d){d.preventDefault();var j=a(this).data("requestid"),k=b.call([{methodname:"tool_dataprivacy_get_data_request",args:{requestid:j}}]);a.when(k[0]).then(function(a){if(a.result){return a.result}c.addNotification({message:a.warnings[0].message,type:"error"});return!1}).then(function(a){var b=g.render("tool_dataprivacy/request_details",a),c={approvedeny:a.approvedeny,canmarkcomplete:a.canmarkcomplete};return e.create({title:a.typename,body:b,type:h.TYPE,large:!0,templateContext:c})}).then(function(a){a.getRoot().on(i.approve,function(){s(i.approve,n(j))});a.getRoot().on(i.deny,function(){s(i.deny,p(j))});a.getRoot().on(i.complete,function(){t("tool_dataprivacy_mark_complete",{requestid:j})});a.getRoot().on(f.hidden,function(){a.destroy()});a.show()}).catch(c.exception)});a(j.APPROVE_REQUEST).click(function(b){b.preventDefault();var c=a(this).data("requestid");s(i.approve,n(c))});a(j.DENY_REQUEST).click(function(b){b.preventDefault();var c=a(this).data("requestid");s(i.deny,p(c))});a(j.MARK_COMPLETE).click(function(b){b.preventDefault();var c=a(this).data("requestid");s(i.complete,r(c))});a(j.CONFIRM_BULK_ACTION).click(function(){var b=[],e="",f={},g=[{key:"selectbulkaction",component:"tool_dataprivacy"},{key:"selectdatarequests",component:"tool_dataprivacy"},{key:"ok"}],h=parseInt(a("#bulk-action").val());if(h!=k.APPROVE&&h!=k.DENY){d.get_strings(g).done(function(a){c.alert("",a[0],a[2])}).fail(c.exception);return}a(".selectrequests:checked").each(function(){b.push(a(this).val())});if(1>b.length){d.get_strings(g).done(function(a){c.alert("",a[1],a[2])}).fail(c.exception);return}switch(h){case k.APPROVE:e=i.bulkApprove;f=o(b);break;case k.DENY:e=i.bulkDeny;f=q(b);}s(e,f)});a(j.SELECT_ALL).change(function(b){b.preventDefault();var c=a(this).is(":checked");a(l.SELECT_REQUEST).prop("checked",c)})};function n(a){return{wsfunction:"tool_dataprivacy_approve_data_request",wsparams:{requestid:a}}}function o(a){return{wsfunction:"tool_dataprivacy_bulk_approve_data_requests",wsparams:{requestids:a}}}function p(a){return{wsfunction:"tool_dataprivacy_deny_data_request",wsparams:{requestid:a}}}function q(a){return{wsfunction:"tool_dataprivacy_bulk_deny_data_requests",wsparams:{requestids:a}}}function r(a){return{wsfunction:"tool_dataprivacy_mark_complete",wsparams:{requestid:a}}}function s(a,b){var g=[];switch(a){case i.approve:g=[{key:"approverequest",component:"tool_dataprivacy"},{key:"confirmapproval",component:"tool_dataprivacy"}];break;case i.bulkApprove:g=[{key:"bulkapproverequests",component:"tool_dataprivacy"},{key:"confirmbulkapproval",component:"tool_dataprivacy"}];break;case i.deny:g=[{key:"denyrequest",component:"tool_dataprivacy"},{key:"confirmdenial",component:"tool_dataprivacy"}];break;case i.bulkDeny:g=[{key:"bulkdenyrequests",component:"tool_dataprivacy"},{key:"confirmbulkdenial",component:"tool_dataprivacy"}];break;case i.complete:g=[{key:"markcomplete",component:"tool_dataprivacy"},{key:"confirmcompletion",component:"tool_dataprivacy"}];break;}var h="";d.get_strings(g).then(function(a){h=a[0];var b=a[1];return e.create({title:h,body:b,type:e.types.SAVE_CANCEL})}).then(function(a){a.setSaveButtonText(h);a.getRoot().on(f.save,function(){t(b.wsfunction,b.wsparams)});a.getRoot().on(f.hidden,function(){a.destroy()});a.show()}).catch(c.exception)}function t(a,d){b.call([{methodname:a,args:d}])[0].done(function(a){if(a.result){window.location.reload()}else{c.addNotification({message:a.warnings[0].message,type:"error"})}}).fail(c.exception)}return m});
-//# sourceMappingURL=requestactions.min.js.map
+/**
+ * Request actions.
+ *
+ * @module     tool_dataprivacy/requestactions
+ * @package    tool_dataprivacy
+ * @copyright  2018 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_dataprivacy/requestactions",["jquery","core/ajax","core/notification","core/str","core/modal_factory","core/modal_events","core/templates","tool_dataprivacy/data_request_modal","tool_dataprivacy/events"],(function($,Ajax,Notification,Str,ModalFactory,ModalEvents,Templates,ModalDataRequest,DataPrivacyEvents){var ACTIONS_APPROVE_REQUEST='[data-action="approve"]',ACTIONS_DENY_REQUEST='[data-action="deny"]',ACTIONS_VIEW_REQUEST='[data-action="view"]',ACTIONS_MARK_COMPLETE='[data-action="complete"]',ACTIONS_CONFIRM_BULK_ACTION='[id="confirm-bulk-action"]',ACTIONS_SELECT_ALL='[data-action="selectall"]',BULK_ACTIONS_APPROVE=1,BULK_ACTIONS_DENY=2,SELECTORS_SELECT_REQUEST=".selectrequests",RequestActions=function(){this.registerEvents()};function approveEventWsData(requestId){return{wsfunction:"tool_dataprivacy_approve_data_request",wsparams:{requestid:requestId}}}function denyEventWsData(requestId){return{wsfunction:"tool_dataprivacy_deny_data_request",wsparams:{requestid:requestId}}}function showConfirmation(action,wsdata){var keys=[];switch(action){case DataPrivacyEvents.approve:keys=[{key:"approverequest",component:"tool_dataprivacy"},{key:"confirmapproval",component:"tool_dataprivacy"}];break;case DataPrivacyEvents.bulkApprove:keys=[{key:"bulkapproverequests",component:"tool_dataprivacy"},{key:"confirmbulkapproval",component:"tool_dataprivacy"}];break;case DataPrivacyEvents.deny:keys=[{key:"denyrequest",component:"tool_dataprivacy"},{key:"confirmdenial",component:"tool_dataprivacy"}];break;case DataPrivacyEvents.bulkDeny:keys=[{key:"bulkdenyrequests",component:"tool_dataprivacy"},{key:"confirmbulkdenial",component:"tool_dataprivacy"}];break;case DataPrivacyEvents.complete:keys=[{key:"markcomplete",component:"tool_dataprivacy"},{key:"confirmcompletion",component:"tool_dataprivacy"}]}var modalTitle="";Str.get_strings(keys).then((function(langStrings){modalTitle=langStrings[0];var confirmMessage=langStrings[1];return ModalFactory.create({title:modalTitle,body:confirmMessage,type:ModalFactory.types.SAVE_CANCEL})})).then((function(modal){modal.setSaveButtonText(modalTitle),modal.getRoot().on(ModalEvents.save,(function(){handleSave(wsdata.wsfunction,wsdata.wsparams)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show()})).catch(Notification.exception)}function handleSave(wsfunction,params){var request={methodname:wsfunction,args:params};Ajax.call([request])[0].done((function(data){data.result?window.location.reload():Notification.addNotification({message:data.warnings[0].message,type:"error"})})).fail(Notification.exception)}return RequestActions.prototype.registerEvents=function(){$(ACTIONS_VIEW_REQUEST).click((function(e){e.preventDefault();var requestId=$(this).data("requestid"),request={methodname:"tool_dataprivacy_get_data_request",args:{requestid:requestId}},promises=Ajax.call([request]);$.when(promises[0]).then((function(data){return data.result?data.result:(Notification.addNotification({message:data.warnings[0].message,type:"error"}),!1)})).then((function(data){var body=Templates.render("tool_dataprivacy/request_details",data),templateContext={approvedeny:data.approvedeny,canmarkcomplete:data.canmarkcomplete};return ModalFactory.create({title:data.typename,body:body,type:ModalDataRequest.TYPE,large:!0,templateContext:templateContext})})).then((function(modal){modal.getRoot().on(DataPrivacyEvents.approve,(function(){showConfirmation(DataPrivacyEvents.approve,approveEventWsData(requestId))})),modal.getRoot().on(DataPrivacyEvents.deny,(function(){showConfirmation(DataPrivacyEvents.deny,denyEventWsData(requestId))})),modal.getRoot().on(DataPrivacyEvents.complete,(function(){handleSave("tool_dataprivacy_mark_complete",{requestid:requestId})})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show()})).catch(Notification.exception)})),$(ACTIONS_APPROVE_REQUEST).click((function(e){e.preventDefault();var requestId=$(this).data("requestid");showConfirmation(DataPrivacyEvents.approve,approveEventWsData(requestId))})),$(ACTIONS_DENY_REQUEST).click((function(e){e.preventDefault();var requestId=$(this).data("requestid");showConfirmation(DataPrivacyEvents.deny,denyEventWsData(requestId))})),$(ACTIONS_MARK_COMPLETE).click((function(e){e.preventDefault();var requestId=$(this).data("requestid");showConfirmation(DataPrivacyEvents.complete,function(requestId){return{wsfunction:"tool_dataprivacy_mark_complete",wsparams:{requestid:requestId}}}(requestId))})),$(ACTIONS_CONFIRM_BULK_ACTION).click((function(){var requestIds=[],actionEvent="",wsdata={},bulkActionKeys=[{key:"selectbulkaction",component:"tool_dataprivacy"},{key:"selectdatarequests",component:"tool_dataprivacy"},{key:"ok"}],bulkaction=parseInt($("#bulk-action").val());if(bulkaction==BULK_ACTIONS_APPROVE||bulkaction==BULK_ACTIONS_DENY)if($(".selectrequests:checked").each((function(){requestIds.push($(this).val())})),requestIds.length<1)Str.get_strings(bulkActionKeys).done((function(langStrings){Notification.alert("",langStrings[1],langStrings[2])})).fail(Notification.exception);else{switch(bulkaction){case BULK_ACTIONS_APPROVE:actionEvent=DataPrivacyEvents.bulkApprove,wsdata=function(requestIds){return{wsfunction:"tool_dataprivacy_bulk_approve_data_requests",wsparams:{requestids:requestIds}}}(requestIds);break;case BULK_ACTIONS_DENY:actionEvent=DataPrivacyEvents.bulkDeny,wsdata=function(requestIds){return{wsfunction:"tool_dataprivacy_bulk_deny_data_requests",wsparams:{requestids:requestIds}}}(requestIds)}showConfirmation(actionEvent,wsdata)}else Str.get_strings(bulkActionKeys).done((function(langStrings){Notification.alert("",langStrings[0],langStrings[2])})).fail(Notification.exception)})),$(ACTIONS_SELECT_ALL).change((function(e){e.preventDefault();var selectAll=$(this).is(":checked");$(SELECTORS_SELECT_REQUEST).prop("checked",selectAll)}))},RequestActions}));
+
+//# sourceMappingURL=requestactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/dataprivacy/amd/build/requestactions.min.js.map b/admin/tool/dataprivacy/amd/build/requestactions.min.js.map
index 4f39d1361be..8f28d1a2035 100644
--- a/admin/tool/dataprivacy/amd/build/requestactions.min.js.map
+++ b/admin/tool/dataprivacy/amd/build/requestactions.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Request actions.\n *\n * @module     tool_dataprivacy/requestactions\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events',\n    'core/templates',\n    'tool_dataprivacy/data_request_modal',\n    'tool_dataprivacy/events'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents, Templates, ModalDataRequest, DataPrivacyEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{APPROVE_REQUEST: string}}\n     * @type {{DENY_REQUEST: string}}\n     * @type {{VIEW_REQUEST: string}}\n     * @type {{MARK_COMPLETE: string}}\n     * @type {{CHANGE_BULK_ACTION: string}}\n     * @type {{CONFIRM_BULK_ACTION: string}}\n     * @type {{SELECT_ALL: string}}\n     */\n    var ACTIONS = {\n        APPROVE_REQUEST: '[data-action=\"approve\"]',\n        DENY_REQUEST: '[data-action=\"deny\"]',\n        VIEW_REQUEST: '[data-action=\"view\"]',\n        MARK_COMPLETE: '[data-action=\"complete\"]',\n        CHANGE_BULK_ACTION: '[id=\"bulk-action\"]',\n        CONFIRM_BULK_ACTION: '[id=\"confirm-bulk-action\"]',\n        SELECT_ALL: '[data-action=\"selectall\"]'\n    };\n\n    /**\n     * List of available bulk actions.\n     *\n     * @type {{APPROVE: number}}\n     * @type {{DENY: number}}\n     */\n    var BULK_ACTIONS = {\n        APPROVE: 1,\n        DENY: 2\n    };\n\n    /**\n     * List of selectors.\n     *\n     * @type {{SELECT_REQUEST: string}}\n     */\n    var SELECTORS = {\n        SELECT_REQUEST: '.selectrequests'\n    };\n\n    /**\n     * RequestActions class.\n     */\n    var RequestActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    RequestActions.prototype.registerEvents = function() {\n        $(ACTIONS.VIEW_REQUEST).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n\n            // Cancel the request.\n            var params = {\n                'requestid': requestId\n            };\n\n            var request = {\n                methodname: 'tool_dataprivacy_get_data_request',\n                args: params\n            };\n\n            var promises = Ajax.call([request]);\n            $.when(promises[0]).then(function(data) {\n                if (data.result) {\n                    return data.result;\n                }\n                // Fail.\n                Notification.addNotification({\n                    message: data.warnings[0].message,\n                    type: 'error'\n                });\n                return false;\n\n            }).then(function(data) {\n                var body = Templates.render('tool_dataprivacy/request_details', data);\n                var templateContext = {\n                    approvedeny: data.approvedeny,\n                    canmarkcomplete: data.canmarkcomplete\n                };\n                return ModalFactory.create({\n                    title: data.typename,\n                    body: body,\n                    type: ModalDataRequest.TYPE,\n                    large: true,\n                    templateContext: templateContext\n                });\n\n            }).then(function(modal) {\n                // Handle approve event.\n                modal.getRoot().on(DataPrivacyEvents.approve, function() {\n                    showConfirmation(DataPrivacyEvents.approve, approveEventWsData(requestId));\n                });\n\n                // Handle deny event.\n                modal.getRoot().on(DataPrivacyEvents.deny, function() {\n                    showConfirmation(DataPrivacyEvents.deny, denyEventWsData(requestId));\n                });\n\n                // Handle send event.\n                modal.getRoot().on(DataPrivacyEvents.complete, function() {\n                    var params = {\n                        'requestid': requestId\n                    };\n                    handleSave('tool_dataprivacy_mark_complete', params);\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                // Show the modal!\n                modal.show();\n\n                return;\n\n            }).catch(Notification.exception);\n        });\n\n        $(ACTIONS.APPROVE_REQUEST).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n            showConfirmation(DataPrivacyEvents.approve, approveEventWsData(requestId));\n        });\n\n        $(ACTIONS.DENY_REQUEST).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n            showConfirmation(DataPrivacyEvents.deny, denyEventWsData(requestId));\n        });\n\n        $(ACTIONS.MARK_COMPLETE).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n            showConfirmation(DataPrivacyEvents.complete, completeEventWsData(requestId));\n        });\n\n        $(ACTIONS.CONFIRM_BULK_ACTION).click(function() {\n            var requestIds = [];\n            var actionEvent = '';\n            var wsdata = {};\n            var bulkActionKeys = [\n                {\n                    key: 'selectbulkaction',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'selectdatarequests',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'ok'\n                }\n            ];\n\n            var bulkaction = parseInt($('#bulk-action').val());\n\n            if (bulkaction != BULK_ACTIONS.APPROVE && bulkaction != BULK_ACTIONS.DENY) {\n                Str.get_strings(bulkActionKeys).done(function(langStrings) {\n                    Notification.alert('', langStrings[0], langStrings[2]);\n                }).fail(Notification.exception);\n\n                return;\n            }\n\n            $(\".selectrequests:checked\").each(function() {\n                requestIds.push($(this).val());\n            });\n\n            if (requestIds.length < 1) {\n                Str.get_strings(bulkActionKeys).done(function(langStrings) {\n                    Notification.alert('', langStrings[1], langStrings[2]);\n                }).fail(Notification.exception);\n\n                return;\n            }\n\n            switch (bulkaction) {\n                case BULK_ACTIONS.APPROVE:\n                    actionEvent = DataPrivacyEvents.bulkApprove;\n                    wsdata = bulkApproveEventWsData(requestIds);\n                    break;\n                case BULK_ACTIONS.DENY:\n                    actionEvent = DataPrivacyEvents.bulkDeny;\n                    wsdata = bulkDenyEventWsData(requestIds);\n            }\n\n            showConfirmation(actionEvent, wsdata);\n        });\n\n        $(ACTIONS.SELECT_ALL).change(function(e) {\n            e.preventDefault();\n\n            var selectAll = $(this).is(':checked');\n            $(SELECTORS.SELECT_REQUEST).prop('checked', selectAll);\n        });\n    };\n\n    /**\n     * Return the webservice data for the approve request action.\n     *\n     * @param {Number} requestId The ID of the request.\n     * @return {Object}\n     */\n    function approveEventWsData(requestId) {\n        return {\n            'wsfunction': 'tool_dataprivacy_approve_data_request',\n            'wsparams': {'requestid': requestId}\n        };\n    }\n\n    /**\n     * Return the webservice data for the bulk approve request action.\n     *\n     * @param {Array} requestIds The array of request ID's.\n     * @return {Object}\n     */\n    function bulkApproveEventWsData(requestIds) {\n        return {\n            'wsfunction': 'tool_dataprivacy_bulk_approve_data_requests',\n            'wsparams': {'requestids': requestIds}\n        };\n    }\n\n    /**\n     * Return the webservice data for the deny request action.\n     *\n     * @param {Number} requestId The ID of the request.\n     * @return {Object}\n     */\n    function denyEventWsData(requestId) {\n        return {\n            'wsfunction': 'tool_dataprivacy_deny_data_request',\n            'wsparams': {'requestid': requestId}\n        };\n    }\n\n    /**\n     * Return the webservice data for the bulk deny request action.\n     *\n     * @param {Array} requestIds The array of request ID's.\n     * @return {Object}\n     */\n    function bulkDenyEventWsData(requestIds) {\n        return {\n            'wsfunction': 'tool_dataprivacy_bulk_deny_data_requests',\n            'wsparams': {'requestids': requestIds}\n        };\n    }\n\n    /**\n     * Return the webservice data for the complete request action.\n     *\n     * @param {Number} requestId The ID of the request.\n     * @return {Object}\n     */\n    function completeEventWsData(requestId) {\n        return {\n            'wsfunction': 'tool_dataprivacy_mark_complete',\n            'wsparams': {'requestid': requestId}\n        };\n    }\n\n    /**\n     * Show the confirmation dialogue.\n     *\n     * @param {String} action The action name.\n     * @param {Object} wsdata Object containing ws data.\n     */\n    function showConfirmation(action, wsdata) {\n        var keys = [];\n\n        switch (action) {\n            case DataPrivacyEvents.approve:\n                keys = [\n                    {\n                        key: 'approverequest',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmapproval',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n            case DataPrivacyEvents.bulkApprove:\n                keys = [\n                    {\n                        key: 'bulkapproverequests',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmbulkapproval',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n            case DataPrivacyEvents.deny:\n                keys = [\n                    {\n                        key: 'denyrequest',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmdenial',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n            case DataPrivacyEvents.bulkDeny:\n                keys = [\n                    {\n                        key: 'bulkdenyrequests',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmbulkdenial',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n            case DataPrivacyEvents.complete:\n                keys = [\n                    {\n                        key: 'markcomplete',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmcompletion',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n        }\n\n        var modalTitle = '';\n        Str.get_strings(keys).then(function(langStrings) {\n            modalTitle = langStrings[0];\n            var confirmMessage = langStrings[1];\n            return ModalFactory.create({\n                title: modalTitle,\n                body: confirmMessage,\n                type: ModalFactory.types.SAVE_CANCEL\n            });\n        }).then(function(modal) {\n            modal.setSaveButtonText(modalTitle);\n\n            // Handle save event.\n            modal.getRoot().on(ModalEvents.save, function() {\n                handleSave(wsdata.wsfunction, wsdata.wsparams);\n            });\n\n            // Handle hidden event.\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Destroy when hidden.\n                modal.destroy();\n            });\n\n            modal.show();\n\n            return;\n\n        }).catch(Notification.exception);\n    }\n\n    /**\n     * Calls a web service function and reloads the page on success and shows a notification.\n     * Displays an error notification, otherwise.\n     *\n     * @param {String} wsfunction The web service function to call.\n     * @param {Object} params The parameters for the web service functoon.\n     */\n    function handleSave(wsfunction, params) {\n        // Confirm the request.\n        var request = {\n            methodname: wsfunction,\n            args: params\n        };\n\n        Ajax.call([request])[0].done(function(data) {\n            if (data.result) {\n                // On success, reload the page so that the data request table will be updated.\n                // TODO: Probably in the future, better to reload the table or the target data request via AJAX.\n                window.location.reload();\n            } else {\n                // Add the notification.\n                Notification.addNotification({\n                    message: data.warnings[0].message,\n                    type: 'error'\n                });\n            }\n        }).fail(Notification.exception);\n    }\n\n    return RequestActions;\n});\n"],"file":"requestactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"requestactions.min.js","sources":["../src/requestactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Request actions.\n *\n * @module     tool_dataprivacy/requestactions\n * @package    tool_dataprivacy\n * @copyright  2018 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events',\n    'core/templates',\n    'tool_dataprivacy/data_request_modal',\n    'tool_dataprivacy/events'],\nfunction($, Ajax, Notification, Str, ModalFactory, ModalEvents, Templates, ModalDataRequest, DataPrivacyEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{APPROVE_REQUEST: string}}\n     * @type {{DENY_REQUEST: string}}\n     * @type {{VIEW_REQUEST: string}}\n     * @type {{MARK_COMPLETE: string}}\n     * @type {{CHANGE_BULK_ACTION: string}}\n     * @type {{CONFIRM_BULK_ACTION: string}}\n     * @type {{SELECT_ALL: string}}\n     */\n    var ACTIONS = {\n        APPROVE_REQUEST: '[data-action=\"approve\"]',\n        DENY_REQUEST: '[data-action=\"deny\"]',\n        VIEW_REQUEST: '[data-action=\"view\"]',\n        MARK_COMPLETE: '[data-action=\"complete\"]',\n        CHANGE_BULK_ACTION: '[id=\"bulk-action\"]',\n        CONFIRM_BULK_ACTION: '[id=\"confirm-bulk-action\"]',\n        SELECT_ALL: '[data-action=\"selectall\"]'\n    };\n\n    /**\n     * List of available bulk actions.\n     *\n     * @type {{APPROVE: number}}\n     * @type {{DENY: number}}\n     */\n    var BULK_ACTIONS = {\n        APPROVE: 1,\n        DENY: 2\n    };\n\n    /**\n     * List of selectors.\n     *\n     * @type {{SELECT_REQUEST: string}}\n     */\n    var SELECTORS = {\n        SELECT_REQUEST: '.selectrequests'\n    };\n\n    /**\n     * RequestActions class.\n     */\n    var RequestActions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    RequestActions.prototype.registerEvents = function() {\n        $(ACTIONS.VIEW_REQUEST).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n\n            // Cancel the request.\n            var params = {\n                'requestid': requestId\n            };\n\n            var request = {\n                methodname: 'tool_dataprivacy_get_data_request',\n                args: params\n            };\n\n            var promises = Ajax.call([request]);\n            $.when(promises[0]).then(function(data) {\n                if (data.result) {\n                    return data.result;\n                }\n                // Fail.\n                Notification.addNotification({\n                    message: data.warnings[0].message,\n                    type: 'error'\n                });\n                return false;\n\n            }).then(function(data) {\n                var body = Templates.render('tool_dataprivacy/request_details', data);\n                var templateContext = {\n                    approvedeny: data.approvedeny,\n                    canmarkcomplete: data.canmarkcomplete\n                };\n                return ModalFactory.create({\n                    title: data.typename,\n                    body: body,\n                    type: ModalDataRequest.TYPE,\n                    large: true,\n                    templateContext: templateContext\n                });\n\n            }).then(function(modal) {\n                // Handle approve event.\n                modal.getRoot().on(DataPrivacyEvents.approve, function() {\n                    showConfirmation(DataPrivacyEvents.approve, approveEventWsData(requestId));\n                });\n\n                // Handle deny event.\n                modal.getRoot().on(DataPrivacyEvents.deny, function() {\n                    showConfirmation(DataPrivacyEvents.deny, denyEventWsData(requestId));\n                });\n\n                // Handle send event.\n                modal.getRoot().on(DataPrivacyEvents.complete, function() {\n                    var params = {\n                        'requestid': requestId\n                    };\n                    handleSave('tool_dataprivacy_mark_complete', params);\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                // Show the modal!\n                modal.show();\n\n                return;\n\n            }).catch(Notification.exception);\n        });\n\n        $(ACTIONS.APPROVE_REQUEST).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n            showConfirmation(DataPrivacyEvents.approve, approveEventWsData(requestId));\n        });\n\n        $(ACTIONS.DENY_REQUEST).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n            showConfirmation(DataPrivacyEvents.deny, denyEventWsData(requestId));\n        });\n\n        $(ACTIONS.MARK_COMPLETE).click(function(e) {\n            e.preventDefault();\n\n            var requestId = $(this).data('requestid');\n            showConfirmation(DataPrivacyEvents.complete, completeEventWsData(requestId));\n        });\n\n        $(ACTIONS.CONFIRM_BULK_ACTION).click(function() {\n            var requestIds = [];\n            var actionEvent = '';\n            var wsdata = {};\n            var bulkActionKeys = [\n                {\n                    key: 'selectbulkaction',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'selectdatarequests',\n                    component: 'tool_dataprivacy'\n                },\n                {\n                    key: 'ok'\n                }\n            ];\n\n            var bulkaction = parseInt($('#bulk-action').val());\n\n            if (bulkaction != BULK_ACTIONS.APPROVE && bulkaction != BULK_ACTIONS.DENY) {\n                Str.get_strings(bulkActionKeys).done(function(langStrings) {\n                    Notification.alert('', langStrings[0], langStrings[2]);\n                }).fail(Notification.exception);\n\n                return;\n            }\n\n            $(\".selectrequests:checked\").each(function() {\n                requestIds.push($(this).val());\n            });\n\n            if (requestIds.length < 1) {\n                Str.get_strings(bulkActionKeys).done(function(langStrings) {\n                    Notification.alert('', langStrings[1], langStrings[2]);\n                }).fail(Notification.exception);\n\n                return;\n            }\n\n            switch (bulkaction) {\n                case BULK_ACTIONS.APPROVE:\n                    actionEvent = DataPrivacyEvents.bulkApprove;\n                    wsdata = bulkApproveEventWsData(requestIds);\n                    break;\n                case BULK_ACTIONS.DENY:\n                    actionEvent = DataPrivacyEvents.bulkDeny;\n                    wsdata = bulkDenyEventWsData(requestIds);\n            }\n\n            showConfirmation(actionEvent, wsdata);\n        });\n\n        $(ACTIONS.SELECT_ALL).change(function(e) {\n            e.preventDefault();\n\n            var selectAll = $(this).is(':checked');\n            $(SELECTORS.SELECT_REQUEST).prop('checked', selectAll);\n        });\n    };\n\n    /**\n     * Return the webservice data for the approve request action.\n     *\n     * @param {Number} requestId The ID of the request.\n     * @return {Object}\n     */\n    function approveEventWsData(requestId) {\n        return {\n            'wsfunction': 'tool_dataprivacy_approve_data_request',\n            'wsparams': {'requestid': requestId}\n        };\n    }\n\n    /**\n     * Return the webservice data for the bulk approve request action.\n     *\n     * @param {Array} requestIds The array of request ID's.\n     * @return {Object}\n     */\n    function bulkApproveEventWsData(requestIds) {\n        return {\n            'wsfunction': 'tool_dataprivacy_bulk_approve_data_requests',\n            'wsparams': {'requestids': requestIds}\n        };\n    }\n\n    /**\n     * Return the webservice data for the deny request action.\n     *\n     * @param {Number} requestId The ID of the request.\n     * @return {Object}\n     */\n    function denyEventWsData(requestId) {\n        return {\n            'wsfunction': 'tool_dataprivacy_deny_data_request',\n            'wsparams': {'requestid': requestId}\n        };\n    }\n\n    /**\n     * Return the webservice data for the bulk deny request action.\n     *\n     * @param {Array} requestIds The array of request ID's.\n     * @return {Object}\n     */\n    function bulkDenyEventWsData(requestIds) {\n        return {\n            'wsfunction': 'tool_dataprivacy_bulk_deny_data_requests',\n            'wsparams': {'requestids': requestIds}\n        };\n    }\n\n    /**\n     * Return the webservice data for the complete request action.\n     *\n     * @param {Number} requestId The ID of the request.\n     * @return {Object}\n     */\n    function completeEventWsData(requestId) {\n        return {\n            'wsfunction': 'tool_dataprivacy_mark_complete',\n            'wsparams': {'requestid': requestId}\n        };\n    }\n\n    /**\n     * Show the confirmation dialogue.\n     *\n     * @param {String} action The action name.\n     * @param {Object} wsdata Object containing ws data.\n     */\n    function showConfirmation(action, wsdata) {\n        var keys = [];\n\n        switch (action) {\n            case DataPrivacyEvents.approve:\n                keys = [\n                    {\n                        key: 'approverequest',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmapproval',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n            case DataPrivacyEvents.bulkApprove:\n                keys = [\n                    {\n                        key: 'bulkapproverequests',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmbulkapproval',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n            case DataPrivacyEvents.deny:\n                keys = [\n                    {\n                        key: 'denyrequest',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmdenial',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n            case DataPrivacyEvents.bulkDeny:\n                keys = [\n                    {\n                        key: 'bulkdenyrequests',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmbulkdenial',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n            case DataPrivacyEvents.complete:\n                keys = [\n                    {\n                        key: 'markcomplete',\n                        component: 'tool_dataprivacy'\n                    },\n                    {\n                        key: 'confirmcompletion',\n                        component: 'tool_dataprivacy'\n                    }\n                ];\n                break;\n        }\n\n        var modalTitle = '';\n        Str.get_strings(keys).then(function(langStrings) {\n            modalTitle = langStrings[0];\n            var confirmMessage = langStrings[1];\n            return ModalFactory.create({\n                title: modalTitle,\n                body: confirmMessage,\n                type: ModalFactory.types.SAVE_CANCEL\n            });\n        }).then(function(modal) {\n            modal.setSaveButtonText(modalTitle);\n\n            // Handle save event.\n            modal.getRoot().on(ModalEvents.save, function() {\n                handleSave(wsdata.wsfunction, wsdata.wsparams);\n            });\n\n            // Handle hidden event.\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Destroy when hidden.\n                modal.destroy();\n            });\n\n            modal.show();\n\n            return;\n\n        }).catch(Notification.exception);\n    }\n\n    /**\n     * Calls a web service function and reloads the page on success and shows a notification.\n     * Displays an error notification, otherwise.\n     *\n     * @param {String} wsfunction The web service function to call.\n     * @param {Object} params The parameters for the web service functoon.\n     */\n    function handleSave(wsfunction, params) {\n        // Confirm the request.\n        var request = {\n            methodname: wsfunction,\n            args: params\n        };\n\n        Ajax.call([request])[0].done(function(data) {\n            if (data.result) {\n                // On success, reload the page so that the data request table will be updated.\n                // TODO: Probably in the future, better to reload the table or the target data request via AJAX.\n                window.location.reload();\n            } else {\n                // Add the notification.\n                Notification.addNotification({\n                    message: data.warnings[0].message,\n                    type: 'error'\n                });\n            }\n        }).fail(Notification.exception);\n    }\n\n    return 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diff --git a/admin/tool/licensemanager/amd/build/delete_license.min.js b/admin/tool/licensemanager/amd/build/delete_license.min.js
index 17dd2af256b..1beead6e315 100644
--- a/admin/tool/licensemanager/amd/build/delete_license.min.js
+++ b/admin/tool/licensemanager/amd/build/delete_license.min.js
@@ -1,2 +1,12 @@
-define ("tool_licensemanager/delete_license",["jquery","core/modal_factory","core/modal_events","core/url","core/str"],function(a,b,c,d,e){var f=a(".delete-license");b.create({type:b.types.SAVE_CANCEL,title:e.get_string("deletelicense","tool_licensemanager"),body:e.get_string("deletelicenseconfirmmessage","tool_licensemanager"),preShowCallback:function preShowCallback(b,c){b=a(b);var e={action:"delete",license:b.data("license")};c.deleteURL=d.relativeUrl("/admin/tool/licensemanager/index.php",e,!0)},large:!0},f).done(function(a){a.getRoot().on(c.save,function(b){b.preventDefault();window.location.href=a.deleteURL})})});
-//# sourceMappingURL=delete_license.min.js.map
+/**
+ * Modal for confirming deletion of a custom license.
+ *
+ * @module     tool_licensemanager/delete_license
+ * @class      delete_license
+ * @package    tool_licensemanager
+ * @copyright  2019 Tom Dickman <tomdickman@catalyst-au.net>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_licensemanager/delete_license",["jquery","core/modal_factory","core/modal_events","core/url","core/str"],(function($,ModalFactory,ModalEvents,Url,String){var trigger=$(".delete-license");ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,title:String.get_string("deletelicense","tool_licensemanager"),body:String.get_string("deletelicenseconfirmmessage","tool_licensemanager"),preShowCallback:function(triggerElement,modal){var params={action:"delete",license:(triggerElement=$(triggerElement)).data("license")};modal.deleteURL=Url.relativeUrl("/admin/tool/licensemanager/index.php",params,!0)},large:!0},trigger).done((function(modal){modal.getRoot().on(ModalEvents.save,(function(e){e.preventDefault(),window.location.href=modal.deleteURL}))}))}));
+
+//# sourceMappingURL=delete_license.min.js.map
\ No newline at end of file
diff --git a/admin/tool/licensemanager/amd/build/delete_license.min.js.map b/admin/tool/licensemanager/amd/build/delete_license.min.js.map
index caee9ae810d..1bfad215904 100644
--- a/admin/tool/licensemanager/amd/build/delete_license.min.js.map
+++ b/admin/tool/licensemanager/amd/build/delete_license.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"delete_license.min.js","sources":["../src/delete_license.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Modal for confirming deletion of a custom license.\n *\n * @module     tool_licensemanager/delete_license\n * @class      delete_license\n * @package    tool_licensemanager\n * @copyright  2019 Tom Dickman <tomdickman@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/modal_factory', 'core/modal_events', 'core/url', 'core/str'],\n    function($, ModalFactory, ModalEvents, Url, String) {\n\n        var trigger = $('.delete-license');\n        ModalFactory.create({\n            type: ModalFactory.types.SAVE_CANCEL,\n            title: String.get_string('deletelicense', 'tool_licensemanager'),\n            body: String.get_string('deletelicenseconfirmmessage', 'tool_licensemanager'),\n            preShowCallback: function(triggerElement, modal) {\n                triggerElement = $(triggerElement);\n                let params = {\n                    'action': 'delete',\n                    'license': triggerElement.data('license')\n                };\n                modal.deleteURL = Url.relativeUrl('/admin/tool/licensemanager/index.php', params, true);\n            },\n            large: true,\n        }, trigger)\n            .done(function(modal) {\n                modal.getRoot().on(ModalEvents.save, function(e) {\n                    // Stop the default save button behaviour which is to close the modal.\n                    e.preventDefault();\n                    // Redirect to delete url.\n                    window.location.href = modal.deleteURL;\n                });\n            });\n    });\n"],"names":["define","$","ModalFactory","ModalEvents","Url","String","trigger","create","type","types","SAVE_CANCEL","title","get_string","body","preShowCallback","triggerElement","modal","params","data","deleteURL","relativeUrl","large","done","getRoot","on","save","e","preventDefault","window","location","href"],"mappings":";;;;;;;;;AAwBAA,4CAAO,CAAC,SAAU,qBAAsB,oBAAqB,WAAY,aACrE,SAASC,EAAGC,aAAcC,YAAaC,IAAKC,YAEpCC,QAAUL,EAAE,mBAChBC,aAAaK,OAAO,CAChBC,KAAMN,aAAaO,MAAMC,YACzBC,MAAON,OAAOO,WAAW,gBAAiB,uBAC1CC,KAAMR,OAAOO,WAAW,8BAA+B,uBACvDE,gBAAiB,SAASC,eAAgBC,WAElCC,OAAS,QACC,kBAFdF,eAAiBd,EAAEc,iBAGWG,KAAK,YAEnCF,MAAMG,UAAYf,IAAIgB,YAAY,uCAAwCH,QAAQ,IAEtFI,OAAO,GACRf,SACEgB,MAAK,SAASN,OACXA,MAAMO,UAAUC,GAAGrB,YAAYsB,MAAM,SAASC,GAE1CA,EAAEC,iBAEFC,OAAOC,SAASC,KAAOd,MAAMG"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/actionselector.min.js b/admin/tool/lp/amd/build/actionselector.min.js
index b082d803853..928b5123ea4 100644
--- a/admin/tool/lp/amd/build/actionselector.min.js
+++ b/admin/tool/lp/amd/build/actionselector.min.js
@@ -1,2 +1,14 @@
-define ("tool_lp/actionselector",["jquery","core/notification","core/ajax","core/templates","tool_lp/dialogue","tool_lp/event_base"],function(a,b,c,d,e,f){var g=function(a,b,c,d,e){var g=this;f.prototype.constructor.apply(this,[]);g._title=a;g._message=b;g._actions=c;g._confirm=d;g._cancel=e;g._selectedValue=null;g._reset()};g.prototype=Object.create(f.prototype);g.prototype._selectedValue=null;g.prototype._popup=null;g.prototype._title=null;g.prototype._message=null;g.prototype._actions=null;g.prototype._confirm=null;g.prototype._cancel=null;g.prototype._afterRender=function(){var b=this;b._find("[data-action=\"action-selector-confirm\"]").attr("disabled","disabled");b._find("[data-region=\"action-selector-radio-buttons\"]").change(function(){b._selectedValue=a("input[type='radio']:checked").val();b._find("[data-action=\"action-selector-confirm\"]").removeAttr("disabled");b._refresh.bind(b)});b._find("[data-action=\"action-selector-cancel\"]").click(function(a){a.preventDefault();b.close()});b._find("[data-action=\"action-selector-confirm\"]").click(function(a){a.preventDefault();if(!b._selectedValue.length){return}b._trigger("save",{action:b._selectedValue});b.close()})};g.prototype.close=function(){var a=this;a._popup.close();a._reset()};g.prototype.display=function(){var a=this;return a._render().then(function(b){a._popup=new e(a._title,b,a._afterRender.bind(a))}).fail(b.exception)};g.prototype._find=function(b){return a(this._popup.getContent()).find(b)};g.prototype._refresh=function(){var a=this;return a._render().then(function(b){a._find("[data-region=\"action-selector\"]").replaceWith(b);a._afterRender()})};g.prototype._render=function(){var a=this,b=[];for(var c in a._actions){b.push(a._actions[c])}var e={message:a._message,choices:b,confirm:a._confirm,cancel:a._cancel};return d.render("tool_lp/action_selector",e)};g.prototype._reset=function(){this._popup=null;this._selectedValue=""};return g});
-//# sourceMappingURL=actionselector.min.js.map
+/**
+ * Action selector.
+ *
+ * To handle 'save' events use: actionselector.on('save')
+ * This will receive the information to display in popup.
+ * The actions have the format [{'text': sometext, 'value' : somevalue}].
+ *
+ * @package    tool_lp
+ * @copyright  2016 Serge Gauthier - <serge.gauthier.2@umontreal.ca>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/actionselector",["jquery","core/notification","core/ajax","core/templates","tool_lp/dialogue","tool_lp/event_base"],(function($,Notification,Ajax,Templates,Dialogue,EventBase){var ActionSelector=function(title,message,actions,confirm,cancel){EventBase.prototype.constructor.apply(this,[]),this._title=title,this._message=message,this._actions=actions,this._confirm=confirm,this._cancel=cancel,this._selectedValue=null,this._reset()};return(ActionSelector.prototype=Object.create(EventBase.prototype))._selectedValue=null,ActionSelector.prototype._popup=null,ActionSelector.prototype._title=null,ActionSelector.prototype._message=null,ActionSelector.prototype._actions=null,ActionSelector.prototype._confirm=null,ActionSelector.prototype._cancel=null,ActionSelector.prototype._afterRender=function(){var self=this;self._find('[data-action="action-selector-confirm"]').attr("disabled","disabled"),self._find('[data-region="action-selector-radio-buttons"]').change((function(){self._selectedValue=$("input[type='radio']:checked").val(),self._find('[data-action="action-selector-confirm"]').removeAttr("disabled"),self._refresh.bind(self)})),self._find('[data-action="action-selector-cancel"]').click((function(e){e.preventDefault(),self.close()})),self._find('[data-action="action-selector-confirm"]').click((function(e){e.preventDefault(),self._selectedValue.length&&(self._trigger("save",{action:self._selectedValue}),self.close())}))},ActionSelector.prototype.close=function(){this._popup.close(),this._reset()},ActionSelector.prototype.display=function(){var self=this;return self._render().then((function(html){self._popup=new Dialogue(self._title,html,self._afterRender.bind(self))})).fail(Notification.exception)},ActionSelector.prototype._find=function(selector){return $(this._popup.getContent()).find(selector)},ActionSelector.prototype._refresh=function(){var self=this;return self._render().then((function(html){self._find('[data-region="action-selector"]').replaceWith(html),self._afterRender()}))},ActionSelector.prototype._render=function(){var choices=[];for(var i in this._actions)choices.push(this._actions[i]);var content={message:this._message,choices:choices,confirm:this._confirm,cancel:this._cancel};return Templates.render("tool_lp/action_selector",content)},ActionSelector.prototype._reset=function(){this._popup=null,this._selectedValue=""},ActionSelector}));
+
+//# sourceMappingURL=actionselector.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/actionselector.min.js.map b/admin/tool/lp/amd/build/actionselector.min.js.map
index 4309e71d158..bce59340427 100644
--- a/admin/tool/lp/amd/build/actionselector.min.js.map
+++ b/admin/tool/lp/amd/build/actionselector.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Action selector.\n *\n * To handle 'save' events use: actionselector.on('save')\n * This will receive the information to display in popup.\n * The actions have the format [{'text': sometext, 'value' : somevalue}].\n *\n * @package    tool_lp\n * @copyright  2016 Serge Gauthier - <serge.gauthier.2@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'tool_lp/dialogue',\n        'tool_lp/event_base'],\n        function($, Notification, Ajax, Templates, Dialogue, EventBase) {\n\n    /**\n     * Action selector class.\n     * @param {String} title The title of popup.\n     * @param {String} message The message to display.\n     * @param {object} actions The actions that can be selected.\n     * @param {String} confirm Text for confirm button.\n     * @param {String} cancel Text for cancel button.\n     */\n    var ActionSelector = function(title, message, actions, confirm, cancel) {\n        var self = this;\n\n        EventBase.prototype.constructor.apply(this, []);\n        self._title = title;\n        self._message = message;\n        self._actions = actions;\n        self._confirm = confirm;\n        self._cancel = cancel;\n        self._selectedValue = null;\n        self._reset();\n    };\n\n    ActionSelector.prototype = Object.create(EventBase.prototype);\n\n    /** @type {String} The value that was selected. */\n    ActionSelector.prototype._selectedValue = null;\n    /** @type {Dialogue} The reference to the dialogue. */\n    ActionSelector.prototype._popup = null;\n    /** @type {String} The title of popup. */\n    ActionSelector.prototype._title = null;\n    /** @type {String} The message in popup. */\n    ActionSelector.prototype._message = null;\n    /** @type {object} The information for radion buttons. */\n    ActionSelector.prototype._actions = null;\n    /** @type {String} The text for confirm button. */\n    ActionSelector.prototype._confirm = null;\n    /** @type {String} The text for cancel button. */\n    ActionSelector.prototype._cancel = null;\n\n    /**\n     * Hook to executed after the view is rendered.\n     *\n     * @method _afterRender\n     */\n    ActionSelector.prototype._afterRender = function() {\n        var self = this;\n\n        // Confirm button is disabled until a choice is done.\n        self._find('[data-action=\"action-selector-confirm\"]').attr('disabled', 'disabled');\n\n        // Add listener for radio buttons change.\n        self._find('[data-region=\"action-selector-radio-buttons\"]').change(function() {\n            self._selectedValue = $(\"input[type='radio']:checked\").val();\n            self._find('[data-action=\"action-selector-confirm\"]').removeAttr('disabled');\n            self._refresh.bind(self);\n        });\n\n        // Add listener for cancel.\n        self._find('[data-action=\"action-selector-cancel\"]').click(function(e) {\n            e.preventDefault();\n            self.close();\n        });\n\n        // Add listener for confirm.\n        self._find('[data-action=\"action-selector-confirm\"]').click(function(e) {\n            e.preventDefault();\n            if (!self._selectedValue.length) {\n                return;\n            }\n            self._trigger('save', {action: self._selectedValue});\n            self.close();\n        });\n    };\n\n    /**\n     * Close the dialogue.\n     *\n     * @method close\n     */\n    ActionSelector.prototype.close = function() {\n        var self = this;\n        self._popup.close();\n        self._reset();\n    };\n\n    /**\n     * Opens the action selector.\n     *\n     * @method display\n     * @return {Promise}\n     */\n    ActionSelector.prototype.display = function() {\n        var self = this;\n        return self._render().then(function(html) {\n            self._popup = new Dialogue(\n                self._title,\n                html,\n                self._afterRender.bind(self)\n            );\n            return;\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Find a node in the dialogue.\n     *\n     * @param {String} selector\n     * @return {JQuery} The node\n     * @method _find\n     */\n    ActionSelector.prototype._find = function(selector) {\n        return $(this._popup.getContent()).find(selector);\n    };\n\n    /**\n     * Refresh the view.\n     *\n     * @method _refresh\n     * @return {Promise}\n     */\n    ActionSelector.prototype._refresh = function() {\n        var self = this;\n        return self._render().then(function(html) {\n            self._find('[data-region=\"action-selector\"]').replaceWith(html);\n            self._afterRender();\n            return;\n        });\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @return {Promise}\n     */\n    ActionSelector.prototype._render = function() {\n        var self = this;\n        var choices = [];\n        for (var i in self._actions) {\n            choices.push(self._actions[i]);\n        }\n        var content = {'message': self._message, 'choices': choices,\n            'confirm': self._confirm, 'cancel': self._cancel};\n\n        return Templates.render('tool_lp/action_selector', content);\n    };\n\n    /**\n     * Reset the dialogue properties.\n     *\n     * This does not reset everything, just enough to reset the UI.\n     *\n     * @method _reset\n     */\n    ActionSelector.prototype._reset = function() {\n        this._popup = null;\n        this._selectedValue = '';\n    };\n\n    return /** @alias module:tool_lp/actionselector */ ActionSelector;\n\n});\n"],"file":"actionselector.min.js"}
\ No newline at end of file
+{"version":3,"file":"actionselector.min.js","sources":["../src/actionselector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Action selector.\n *\n * To handle 'save' events use: actionselector.on('save')\n * This will receive the information to display in popup.\n * The actions have the format [{'text': sometext, 'value' : somevalue}].\n *\n * @package    tool_lp\n * @copyright  2016 Serge Gauthier - <serge.gauthier.2@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'tool_lp/dialogue',\n        'tool_lp/event_base'],\n        function($, Notification, Ajax, Templates, Dialogue, EventBase) {\n\n    /**\n     * Action selector class.\n     * @param {String} title The title of popup.\n     * @param {String} message The message to display.\n     * @param {object} actions The actions that can be selected.\n     * @param {String} confirm Text for confirm button.\n     * @param {String} cancel Text for cancel button.\n     */\n    var ActionSelector = function(title, message, actions, confirm, cancel) {\n        var self = this;\n\n        EventBase.prototype.constructor.apply(this, []);\n        self._title = title;\n        self._message = message;\n        self._actions = actions;\n        self._confirm = confirm;\n        self._cancel = cancel;\n        self._selectedValue = null;\n        self._reset();\n    };\n\n    ActionSelector.prototype = Object.create(EventBase.prototype);\n\n    /** @type {String} The value that was selected. */\n    ActionSelector.prototype._selectedValue = null;\n    /** @type {Dialogue} The reference to the dialogue. */\n    ActionSelector.prototype._popup = null;\n    /** @type {String} The title of popup. */\n    ActionSelector.prototype._title = null;\n    /** @type {String} The message in popup. */\n    ActionSelector.prototype._message = null;\n    /** @type {object} The information for radion buttons. */\n    ActionSelector.prototype._actions = null;\n    /** @type {String} The text for confirm button. */\n    ActionSelector.prototype._confirm = null;\n    /** @type {String} The text for cancel button. */\n    ActionSelector.prototype._cancel = null;\n\n    /**\n     * Hook to executed after the view is rendered.\n     *\n     * @method _afterRender\n     */\n    ActionSelector.prototype._afterRender = function() {\n        var self = this;\n\n        // Confirm button is disabled until a choice is done.\n        self._find('[data-action=\"action-selector-confirm\"]').attr('disabled', 'disabled');\n\n        // Add listener for radio buttons change.\n        self._find('[data-region=\"action-selector-radio-buttons\"]').change(function() {\n            self._selectedValue = $(\"input[type='radio']:checked\").val();\n            self._find('[data-action=\"action-selector-confirm\"]').removeAttr('disabled');\n            self._refresh.bind(self);\n        });\n\n        // Add listener for cancel.\n        self._find('[data-action=\"action-selector-cancel\"]').click(function(e) {\n            e.preventDefault();\n            self.close();\n        });\n\n        // Add listener for confirm.\n        self._find('[data-action=\"action-selector-confirm\"]').click(function(e) {\n            e.preventDefault();\n            if (!self._selectedValue.length) {\n                return;\n            }\n            self._trigger('save', {action: self._selectedValue});\n            self.close();\n        });\n    };\n\n    /**\n     * Close the dialogue.\n     *\n     * @method close\n     */\n    ActionSelector.prototype.close = function() {\n        var self = this;\n        self._popup.close();\n        self._reset();\n    };\n\n    /**\n     * Opens the action selector.\n     *\n     * @method display\n     * @return {Promise}\n     */\n    ActionSelector.prototype.display = function() {\n        var self = this;\n        return self._render().then(function(html) {\n            self._popup = new Dialogue(\n                self._title,\n                html,\n                self._afterRender.bind(self)\n            );\n            return;\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Find a node in the dialogue.\n     *\n     * @param {String} selector\n     * @return {JQuery} The node\n     * @method _find\n     */\n    ActionSelector.prototype._find = function(selector) {\n        return $(this._popup.getContent()).find(selector);\n    };\n\n    /**\n     * Refresh the view.\n     *\n     * @method _refresh\n     * @return {Promise}\n     */\n    ActionSelector.prototype._refresh = function() {\n        var self = this;\n        return self._render().then(function(html) {\n            self._find('[data-region=\"action-selector\"]').replaceWith(html);\n            self._afterRender();\n            return;\n        });\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @return {Promise}\n     */\n    ActionSelector.prototype._render = function() {\n        var self = this;\n        var choices = [];\n        for (var i in self._actions) {\n            choices.push(self._actions[i]);\n        }\n        var content = {'message': self._message, 'choices': choices,\n            'confirm': self._confirm, 'cancel': self._cancel};\n\n        return Templates.render('tool_lp/action_selector', content);\n    };\n\n    /**\n     * Reset the dialogue properties.\n     *\n     * This does not reset everything, just enough to reset the UI.\n     *\n     * @method _reset\n     */\n    ActionSelector.prototype._reset = function() {\n        this._popup = null;\n        this._selectedValue = '';\n    };\n\n    return /** @alias module:tool_lp/actionselector */ ActionSelector;\n\n});\n"],"names":["define","$","Notification","Ajax","Templates","Dialogue","EventBase","ActionSelector","title","message","actions","confirm","cancel","prototype","constructor","apply","this","_title","_message","_actions","_confirm","_cancel","_selectedValue","_reset","Object","create","_popup","_afterRender","self","_find","attr","change","val","removeAttr","_refresh","bind","click","e","preventDefault","close","length","_trigger","action","display","_render","then","html","fail","exception","selector","getContent","find","replaceWith","choices","i","push","content","render"],"mappings":";;;;;;;;;;;AA2BAA,gCAAO,CAAC,SACA,oBACA,YACA,iBACA,mBACA,uBACA,SAASC,EAAGC,aAAcC,KAAMC,UAAWC,SAAUC,eAUrDC,eAAiB,SAASC,MAAOC,QAASC,QAASC,QAASC,QAG5DN,UAAUO,UAAUC,YAAYC,MAAMC,KAAM,IAFjCA,KAGNC,OAAST,MAHHQ,KAINE,SAAWT,QAJLO,KAKNG,SAAWT,QALLM,KAMNI,SAAWT,QANLK,KAONK,QAAUT,OAPJI,KAQNM,eAAiB,KARXN,KASNO,iBAGThB,eAAeM,UAAYW,OAAOC,OAAOnB,UAAUO,YAG1BS,eAAiB,KAE1Cf,eAAeM,UAAUa,OAAS,KAElCnB,eAAeM,UAAUI,OAAS,KAElCV,eAAeM,UAAUK,SAAW,KAEpCX,eAAeM,UAAUM,SAAW,KAEpCZ,eAAeM,UAAUO,SAAW,KAEpCb,eAAeM,UAAUQ,QAAU,KAOnCd,eAAeM,UAAUc,aAAe,eAChCC,KAAOZ,KAGXY,KAAKC,MAAM,2CAA2CC,KAAK,WAAY,YAGvEF,KAAKC,MAAM,iDAAiDE,QAAO,WAC/DH,KAAKN,eAAiBrB,EAAE,+BAA+B+B,MACvDJ,KAAKC,MAAM,2CAA2CI,WAAW,YACjEL,KAAKM,SAASC,KAAKP,SAIvBA,KAAKC,MAAM,0CAA0CO,OAAM,SAASC,GAChEA,EAAEC,iBACFV,KAAKW,WAITX,KAAKC,MAAM,2CAA2CO,OAAM,SAASC,GACjEA,EAAEC,iBACGV,KAAKN,eAAekB,SAGzBZ,KAAKa,SAAS,OAAQ,CAACC,OAAQd,KAAKN,iBACpCM,KAAKW,aASbhC,eAAeM,UAAU0B,MAAQ,WAClBvB,KACNU,OAAOa,QADDvB,KAENO,UASThB,eAAeM,UAAU8B,QAAU,eAC3Bf,KAAOZ,YACJY,KAAKgB,UAAUC,MAAK,SAASC,MAChClB,KAAKF,OAAS,IAAIrB,SACduB,KAAKX,OACL6B,KACAlB,KAAKD,aAAaQ,KAAKP,UAG5BmB,KAAK7C,aAAa8C,YAUzBzC,eAAeM,UAAUgB,MAAQ,SAASoB,iBAC/BhD,EAAEe,KAAKU,OAAOwB,cAAcC,KAAKF,WAS5C1C,eAAeM,UAAUqB,SAAW,eAC5BN,KAAOZ,YACJY,KAAKgB,UAAUC,MAAK,SAASC,MAChClB,KAAKC,MAAM,mCAAmCuB,YAAYN,MAC1DlB,KAAKD,mBAWbpB,eAAeM,UAAU+B,QAAU,eAE3BS,QAAU,OACT,IAAIC,KAFEtC,KAEQG,SACfkC,QAAQE,KAHDvC,KAGWG,SAASmC,QAE3BE,QAAU,SALHxC,KAKoBE,iBAAqBmC,gBALzCrC,KAMSI,gBANTJ,KAMkCK,gBAEtCjB,UAAUqD,OAAO,0BAA2BD,UAUvDjD,eAAeM,UAAUU,OAAS,gBACzBG,OAAS,UACTJ,eAAiB,IAGyBf"}
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diff --git a/admin/tool/lp/amd/build/competencies.min.js b/admin/tool/lp/amd/build/competencies.min.js
index 867ec94c464..e1ec0ff0f54 100644
--- a/admin/tool/lp/amd/build/competencies.min.js
+++ b/admin/tool/lp/amd/build/competencies.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/competencies",["jquery","core/notification","core/ajax","core/templates","core/str","tool_lp/competencypicker","tool_lp/dragdrop-reorder","core/pending"],function(a,b,c,d,e,f,g,h){var i=function(b,c,d){this.itemid=b;this.itemtype=c;this.pageContextId=d;this.pickerInstance=null;a("[data-region=\"actions\"] button").prop("disabled",!1);this.registerEvents();this.registerDragDrop()};i.prototype.registerDragDrop=function(){var a=this;e.get_string("movecompetency","tool_lp").done(function(b){g.dragdrop("movecompetency",b,{identifier:"movecompetency",component:"tool_lp"},{identifier:"movecompetencyafter",component:"tool_lp"},"drag-samenode","drag-parentnode","drag-handlecontainer",function(b,c){a.handleDrop(b,c)})}).fail(b.exception)};i.prototype.handleDrop=function(d,e){var f=a(d).data("id"),g=a(e).data("id"),h=this,i=[];if("course"==h.itemtype){i=c.call([{methodname:"core_competency_reorder_course_competency",args:{courseid:h.itemid,competencyidfrom:f,competencyidto:g}}])}else if("template"==h.itemtype){i=c.call([{methodname:"core_competency_reorder_template_competency",args:{templateid:h.itemid,competencyidfrom:f,competencyidto:g}}])}else if("plan"==h.itemtype){i=c.call([{methodname:"core_competency_reorder_plan_competency",args:{planid:h.itemid,competencyidfrom:f,competencyidto:g}}])}else{return}i[0].fail(b.exception)};i.prototype.pickCompetency=function(){var g=this,i,j,k,l;if(!g.pickerInstance){if("template"===g.itemtype||"course"===g.itemtype){l="parents"}g.pickerInstance=new f(g.pageContextId,!1,l);g.pickerInstance.on("save",function(f,e){var l=e.competencyIds,m=new h;if("course"===g.itemtype){i=[];a.each(l,function(a,b){i.push({methodname:"core_competency_add_competency_to_course",args:{courseid:g.itemid,competencyid:b}})});i.push({methodname:"tool_lp_data_for_course_competencies_page",args:{courseid:g.itemid,moduleid:0}});j="tool_lp/course_competencies_page";k="coursecompetenciespage"}else if("template"===g.itemtype){i=[];a.each(l,function(a,b){i.push({methodname:"core_competency_add_competency_to_template",args:{templateid:g.itemid,competencyid:b}})});i.push({methodname:"tool_lp_data_for_template_competencies_page",args:{templateid:g.itemid,pagecontext:{contextid:g.pageContextId}}});j="tool_lp/template_competencies_page";k="templatecompetenciespage"}else if("plan"===g.itemtype){i=[];a.each(l,function(a,b){i.push({methodname:"core_competency_add_competency_to_plan",args:{planid:g.itemid,competencyid:b}})});i.push({methodname:"tool_lp_data_for_plan_page",args:{planid:g.itemid}});j="tool_lp/plan_page";k="plan-page"}c.call(i)[i.length-1].then(function(a){return d.render(j,a)}).then(function(b,c){d.replaceNode(a("[data-region=\""+k+"\"]"),b,c)}).then(m.resolve).catch(b.exception)})}return g.pickerInstance.display()};i.prototype.doDelete=function(e){var f=this,g=[],h="",i="";if("course"==f.itemtype){g=c.call([{methodname:"core_competency_remove_competency_from_course",args:{courseid:f.itemid,competencyid:e}},{methodname:"tool_lp_data_for_course_competencies_page",args:{courseid:f.itemid,moduleid:0}}]);h="tool_lp/course_competencies_page";i="coursecompetenciespage"}else if("template"==f.itemtype){g=c.call([{methodname:"core_competency_remove_competency_from_template",args:{templateid:f.itemid,competencyid:e}},{methodname:"tool_lp_data_for_template_competencies_page",args:{templateid:f.itemid,pagecontext:{contextid:f.pageContextId}}}]);h="tool_lp/template_competencies_page";i="templatecompetenciespage"}else if("plan"==f.itemtype){g=c.call([{methodname:"core_competency_remove_competency_from_plan",args:{planid:f.itemid,competencyid:e}},{methodname:"tool_lp_data_for_plan_page",args:{planid:f.itemid}}]);h="tool_lp/plan_page";i="plan-page"}g[1].done(function(c){d.render(h,c).done(function(b,c){a("[data-region=\""+i+"\"]").replaceWith(b);d.runTemplateJS(c)}).fail(b.exception)}).fail(b.exception)};i.prototype.deleteHandler=function(a){var d=this,f=[],g;if("course"==d.itemtype){g="unlinkcompetencycourse"}else if("template"==d.itemtype){g="unlinkcompetencytemplate"}else if("plan"==d.itemtype){g="unlinkcompetencyplan"}else{return}f=c.call([{methodname:"core_competency_read_competency",args:{id:a}}]);f[0].done(function(c){e.get_strings([{key:"confirm",component:"moodle"},{key:g,component:"tool_lp",param:c.shortname},{key:"confirm",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(c){b.confirm(c[0],c[1],c[2],c[3],function(){d.doDelete(a)})}).fail(b.exception)}).fail(b.exception)};i.prototype.registerEvents=function(){var f=this;if("course"==f.itemtype){a("[data-region=\"coursecompetenciespage\"]").on("change","select[data-field=\"ruleoutcome\"]",function(g){var e=new h,i=[],j=a(g.target).data("id"),k=a(g.target).val();i=c.call([{methodname:"core_competency_set_course_competency_ruleoutcome",args:{coursecompetencyid:j,ruleoutcome:k}},{methodname:"tool_lp_data_for_course_competencies_page",args:{courseid:f.itemid,moduleid:0}}]);i[1].then(function(a){return d.render("tool_lp/course_competencies_page",a)}).then(function(b,c){return d.replaceNode(a("[data-region=\""+"coursecompetenciespage"+"\"]"),b,c)}).then(e.resolve).catch(b.exception)})}a("[data-region=\"actions\"] button").click(function(a){var b=new h;a.preventDefault();f.pickCompetency().then(b.resolve).catch()});a("[data-action=\"delete-competency-link\"]").click(function(b){b.preventDefault();var c=a(b.target).closest("[data-id]").data("id");f.deleteHandler(c)})};return i});
-//# sourceMappingURL=competencies.min.js.map
+/**
+ * Handle add/remove competency links.
+ *
+ * @module     tool_lp/competencies
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competencies",["jquery","core/notification","core/ajax","core/templates","core/str","tool_lp/competencypicker","tool_lp/dragdrop-reorder","core/pending"],(function($,notification,ajax,templates,str,Picker,dragdrop,Pending){var competencies=function(itemid,itemtype,pagectxid){this.itemid=itemid,this.itemtype=itemtype,this.pageContextId=pagectxid,this.pickerInstance=null,$('[data-region="actions"] button').prop("disabled",!1),this.registerEvents(),this.registerDragDrop()};return competencies.prototype.registerDragDrop=function(){var localthis=this;str.get_string("movecompetency","tool_lp").done((function(movestring){dragdrop.dragdrop("movecompetency",movestring,{identifier:"movecompetency",component:"tool_lp"},{identifier:"movecompetencyafter",component:"tool_lp"},"drag-samenode","drag-parentnode","drag-handlecontainer",(function(drag,drop){localthis.handleDrop(drag,drop)}))})).fail(notification.exception)},competencies.prototype.handleDrop=function(drag,drop){var fromid=$(drag).data("id"),toid=$(drop).data("id"),requests=[];if("course"==this.itemtype)requests=ajax.call([{methodname:"core_competency_reorder_course_competency",args:{courseid:this.itemid,competencyidfrom:fromid,competencyidto:toid}}]);else if("template"==this.itemtype)requests=ajax.call([{methodname:"core_competency_reorder_template_competency",args:{templateid:this.itemid,competencyidfrom:fromid,competencyidto:toid}}]);else{if("plan"!=this.itemtype)return;requests=ajax.call([{methodname:"core_competency_reorder_plan_competency",args:{planid:this.itemid,competencyidfrom:fromid,competencyidto:toid}}])}requests[0].fail(notification.exception)},competencies.prototype.pickCompetency=function(){var requests,pagerender,pageregion,pageContextIncludes,self=this;return self.pickerInstance||("template"!==self.itemtype&&"course"!==self.itemtype||(pageContextIncludes="parents"),self.pickerInstance=new Picker(self.pageContextId,!1,pageContextIncludes),self.pickerInstance.on("save",(function(e,data){var compIds=data.competencyIds,pendingPromise=new Pending;"course"===self.itemtype?(requests=[],$.each(compIds,(function(index,compId){requests.push({methodname:"core_competency_add_competency_to_course",args:{courseid:self.itemid,competencyid:compId}})})),requests.push({methodname:"tool_lp_data_for_course_competencies_page",args:{courseid:self.itemid,moduleid:0}}),pagerender="tool_lp/course_competencies_page",pageregion="coursecompetenciespage"):"template"===self.itemtype?(requests=[],$.each(compIds,(function(index,compId){requests.push({methodname:"core_competency_add_competency_to_template",args:{templateid:self.itemid,competencyid:compId}})})),requests.push({methodname:"tool_lp_data_for_template_competencies_page",args:{templateid:self.itemid,pagecontext:{contextid:self.pageContextId}}}),pagerender="tool_lp/template_competencies_page",pageregion="templatecompetenciespage"):"plan"===self.itemtype&&(requests=[],$.each(compIds,(function(index,compId){requests.push({methodname:"core_competency_add_competency_to_plan",args:{planid:self.itemid,competencyid:compId}})})),requests.push({methodname:"tool_lp_data_for_plan_page",args:{planid:self.itemid}}),pagerender="tool_lp/plan_page",pageregion="plan-page"),ajax.call(requests)[requests.length-1].then((function(context){return templates.render(pagerender,context)})).then((function(html,js){templates.replaceNode($('[data-region="'+pageregion+'"]'),html,js)})).then(pendingPromise.resolve).catch(notification.exception)}))),self.pickerInstance.display()},competencies.prototype.doDelete=function(deleteid){var requests=[],pagerender="",pageregion="";"course"==this.itemtype?(requests=ajax.call([{methodname:"core_competency_remove_competency_from_course",args:{courseid:this.itemid,competencyid:deleteid}},{methodname:"tool_lp_data_for_course_competencies_page",args:{courseid:this.itemid,moduleid:0}}]),pagerender="tool_lp/course_competencies_page",pageregion="coursecompetenciespage"):"template"==this.itemtype?(requests=ajax.call([{methodname:"core_competency_remove_competency_from_template",args:{templateid:this.itemid,competencyid:deleteid}},{methodname:"tool_lp_data_for_template_competencies_page",args:{templateid:this.itemid,pagecontext:{contextid:this.pageContextId}}}]),pagerender="tool_lp/template_competencies_page",pageregion="templatecompetenciespage"):"plan"==this.itemtype&&(requests=ajax.call([{methodname:"core_competency_remove_competency_from_plan",args:{planid:this.itemid,competencyid:deleteid}},{methodname:"tool_lp_data_for_plan_page",args:{planid:this.itemid}}]),pagerender="tool_lp/plan_page",pageregion="plan-page"),requests[1].done((function(context){templates.render(pagerender,context).done((function(html,js){$('[data-region="'+pageregion+'"]').replaceWith(html),templates.runTemplateJS(js)})).fail(notification.exception)})).fail(notification.exception)},competencies.prototype.deleteHandler=function(deleteid){var message,localthis=this;if("course"==localthis.itemtype)message="unlinkcompetencycourse";else if("template"==localthis.itemtype)message="unlinkcompetencytemplate";else{if("plan"!=localthis.itemtype)return;message="unlinkcompetencyplan"}ajax.call([{methodname:"core_competency_read_competency",args:{id:deleteid}}])[0].done((function(competency){str.get_strings([{key:"confirm",component:"moodle"},{key:message,component:"tool_lp",param:competency.shortname},{key:"confirm",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){localthis.doDelete(deleteid)}))})).fail(notification.exception)})).fail(notification.exception)},competencies.prototype.registerEvents=function(){var localthis=this;"course"==localthis.itemtype&&$('[data-region="coursecompetenciespage"]').on("change",'select[data-field="ruleoutcome"]',(function(e){var pendingPromise=new Pending,coursecompetencyid=$(e.target).data("id"),ruleoutcome=$(e.target).val();ajax.call([{methodname:"core_competency_set_course_competency_ruleoutcome",args:{coursecompetencyid:coursecompetencyid,ruleoutcome:ruleoutcome}},{methodname:"tool_lp_data_for_course_competencies_page",args:{courseid:localthis.itemid,moduleid:0}}])[1].then((function(context){return templates.render("tool_lp/course_competencies_page",context)})).then((function(html,js){return templates.replaceNode($('[data-region="coursecompetenciespage"]'),html,js)})).then(pendingPromise.resolve).catch(notification.exception)})),$('[data-region="actions"] button').click((function(e){var pendingPromise=new Pending;e.preventDefault(),localthis.pickCompetency().then(pendingPromise.resolve).catch()})),$('[data-action="delete-competency-link"]').click((function(e){e.preventDefault();var deleteid=$(e.target).closest("[data-id]").data("id");localthis.deleteHandler(deleteid)}))},competencies}));
+
+//# sourceMappingURL=competencies.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencies.min.js.map b/admin/tool/lp/amd/build/competencies.min.js.map
index b7aa8c0a283..fb397fcdd43 100644
--- a/admin/tool/lp/amd/build/competencies.min.js.map
+++ b/admin/tool/lp/amd/build/competencies.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle add/remove competency links.\n *\n * @module     tool_lp/competencies\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'core/str',\n        'tool_lp/competencypicker',\n        'tool_lp/dragdrop-reorder',\n        'core/pending'],\n       function($, notification, ajax, templates, str, Picker, dragdrop, Pending) {\n\n    /**\n     * Constructor\n     *\n     * @param {Number} itemid\n     * @param {String} itemtype\n     * @param {Number} pagectxid\n     */\n    var competencies = function(itemid, itemtype, pagectxid) {\n        this.itemid = itemid;\n        this.itemtype = itemtype;\n        this.pageContextId = pagectxid;\n        this.pickerInstance = null;\n\n        $('[data-region=\"actions\"] button').prop('disabled', false);\n        this.registerEvents();\n        this.registerDragDrop();\n    };\n\n    /**\n     * Initialise the drag/drop code.\n     * @method registerDragDrop\n     */\n    competencies.prototype.registerDragDrop = function() {\n        var localthis = this;\n        // Init this module.\n        str.get_string('movecompetency', 'tool_lp').done(\n            function(movestring) {\n                dragdrop.dragdrop('movecompetency',\n                                  movestring,\n                                  {identifier: 'movecompetency', component: 'tool_lp'},\n                                  {identifier: 'movecompetencyafter', component: 'tool_lp'},\n                                  'drag-samenode',\n                                  'drag-parentnode',\n                                  'drag-handlecontainer',\n                                  function(drag, drop) {\n                                      localthis.handleDrop(drag, drop);\n                                  });\n            }\n        ).fail(notification.exception);\n\n    };\n\n    /**\n     * Handle a drop from a drag/drop operation.\n     *\n     * @method handleDrop\n     * @param {DOMNode} drag The dragged node.\n     * @param {DOMNode} drop The dropped on node.\n     */\n    competencies.prototype.handleDrop = function(drag, drop) {\n        var fromid = $(drag).data('id');\n        var toid = $(drop).data('id');\n        var localthis = this;\n        var requests = [];\n\n        if (localthis.itemtype == 'course') {\n            requests = ajax.call([\n                {\n                    methodname: 'core_competency_reorder_course_competency',\n                    args: {courseid: localthis.itemid, competencyidfrom: fromid, competencyidto: toid}\n                }\n            ]);\n        } else if (localthis.itemtype == 'template') {\n            requests = ajax.call([\n                {\n                    methodname: 'core_competency_reorder_template_competency',\n                    args: {templateid: localthis.itemid, competencyidfrom: fromid, competencyidto: toid}\n                }\n            ]);\n        } else if (localthis.itemtype == 'plan') {\n            requests = ajax.call([\n                {\n                    methodname: 'core_competency_reorder_plan_competency',\n                    args: {planid: localthis.itemid, competencyidfrom: fromid, competencyidto: toid}\n                }\n            ]);\n        } else {\n            return;\n        }\n\n        requests[0].fail(notification.exception);\n    };\n\n    /**\n     * Pick a competency\n     *\n     * @method pickCompetency\n     * @return {Promise}\n     */\n    competencies.prototype.pickCompetency = function() {\n        var self = this;\n        var requests;\n        var pagerender;\n        var pageregion;\n        var pageContextIncludes;\n\n        if (!self.pickerInstance) {\n            if (self.itemtype === 'template' || self.itemtype === 'course') {\n                pageContextIncludes = 'parents';\n            }\n            self.pickerInstance = new Picker(self.pageContextId, false, pageContextIncludes);\n            self.pickerInstance.on('save', function(e, data) {\n                var compIds = data.competencyIds;\n                var pendingPromise = new Pending();\n\n                if (self.itemtype === \"course\") {\n                    requests = [];\n\n                    $.each(compIds, function(index, compId) {\n                        requests.push({\n                            methodname: 'core_competency_add_competency_to_course',\n                            args: {courseid: self.itemid, competencyid: compId}\n                        });\n                    });\n                    requests.push({\n                        methodname: 'tool_lp_data_for_course_competencies_page',\n                        args: {courseid: self.itemid, moduleid: 0}\n                    });\n\n                    pagerender = 'tool_lp/course_competencies_page';\n                    pageregion = 'coursecompetenciespage';\n\n                } else if (self.itemtype === \"template\") {\n                    requests = [];\n\n                    $.each(compIds, function(index, compId) {\n                        requests.push({\n                            methodname: 'core_competency_add_competency_to_template',\n                            args: {templateid: self.itemid, competencyid: compId}\n                        });\n                    });\n                    requests.push({\n                        methodname: 'tool_lp_data_for_template_competencies_page',\n                        args: {templateid: self.itemid, pagecontext: {contextid: self.pageContextId}}\n                    });\n                    pagerender = 'tool_lp/template_competencies_page';\n                    pageregion = 'templatecompetenciespage';\n                } else if (self.itemtype === \"plan\") {\n                    requests = [];\n\n                    $.each(compIds, function(index, compId) {\n                        requests.push({\n                            methodname: 'core_competency_add_competency_to_plan',\n                            args: {planid: self.itemid, competencyid: compId}\n                        });\n                    });\n                    requests.push({\n                         methodname: 'tool_lp_data_for_plan_page',\n                         args: {planid: self.itemid}\n                    });\n                    pagerender = 'tool_lp/plan_page';\n                    pageregion = 'plan-page';\n                }\n                ajax.call(requests)[requests.length - 1]\n                .then(function(context) {\n                    return templates.render(pagerender, context);\n                })\n                .then(function(html, js) {\n                    templates.replaceNode($('[data-region=\"' + pageregion + '\"]'), html, js);\n                    return;\n                })\n                .then(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        }\n\n        return self.pickerInstance.display();\n    };\n\n    /**\n     * Delete the link between competency and course, template or plan. Reload the page.\n     *\n     * @method doDelete\n     * @param {int} deleteid The id of record to delete.\n     */\n    competencies.prototype.doDelete = function(deleteid) {\n        var localthis = this;\n        var requests = [],\n            pagerender = '',\n            pageregion = '';\n\n        // Delete the link and reload the page template.\n        if (localthis.itemtype == 'course') {\n            requests = ajax.call([\n                {methodname: 'core_competency_remove_competency_from_course',\n                    args: {courseid: localthis.itemid, competencyid: deleteid}},\n                {methodname: 'tool_lp_data_for_course_competencies_page',\n                    args: {courseid: localthis.itemid, moduleid: 0}}\n            ]);\n            pagerender = 'tool_lp/course_competencies_page';\n            pageregion = 'coursecompetenciespage';\n        } else if (localthis.itemtype == 'template') {\n            requests = ajax.call([\n                {methodname: 'core_competency_remove_competency_from_template',\n                    args: {templateid: localthis.itemid, competencyid: deleteid}},\n                {methodname: 'tool_lp_data_for_template_competencies_page',\n                    args: {templateid: localthis.itemid, pagecontext: {contextid: localthis.pageContextId}}}\n            ]);\n            pagerender = 'tool_lp/template_competencies_page';\n            pageregion = 'templatecompetenciespage';\n        } else if (localthis.itemtype == 'plan') {\n            requests = ajax.call([\n                {methodname: 'core_competency_remove_competency_from_plan',\n                    args: {planid: localthis.itemid, competencyid: deleteid}},\n                {methodname: 'tool_lp_data_for_plan_page',\n                    args: {planid: localthis.itemid}}\n            ]);\n            pagerender = 'tool_lp/plan_page';\n            pageregion = 'plan-page';\n        }\n\n        requests[1].done(function(context) {\n            templates.render(pagerender, context).done(function(html, js) {\n                $('[data-region=\"' + pageregion + '\"]').replaceWith(html);\n                templates.runTemplateJS(js);\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Show a confirm dialogue before deleting a competency.\n     *\n     * @method deleteHandler\n     * @param {int} deleteid The id of record to delete.\n     */\n    competencies.prototype.deleteHandler = function(deleteid) {\n        var localthis = this;\n        var requests = [];\n        var message;\n\n        if (localthis.itemtype == 'course') {\n            message = 'unlinkcompetencycourse';\n        } else if (localthis.itemtype == 'template') {\n            message = 'unlinkcompetencytemplate';\n        } else if (localthis.itemtype == 'plan') {\n            message = 'unlinkcompetencyplan';\n        } else {\n            return;\n        }\n\n        requests = ajax.call([{\n            methodname: 'core_competency_read_competency',\n            args: {id: deleteid}\n        }]);\n\n        requests[0].done(function(competency) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: message, component: 'tool_lp', param: competency.shortname},\n                {key: 'confirm', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Unlink the competency X from the course?\n                    strings[2], // Confirm.\n                    strings[3], // Cancel.\n                    function() {\n                        localthis.doDelete(deleteid);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Register the javascript event handlers for this page.\n     *\n     * @method registerEvents\n     */\n    competencies.prototype.registerEvents = function() {\n        var localthis = this;\n\n        if (localthis.itemtype == 'course') {\n            // Course completion rule handling.\n            $('[data-region=\"coursecompetenciespage\"]').on('change', 'select[data-field=\"ruleoutcome\"]', function(e) {\n                var pendingPromise = new Pending();\n                var requests = [];\n                var pagerender = 'tool_lp/course_competencies_page';\n                var pageregion = 'coursecompetenciespage';\n                var coursecompetencyid = $(e.target).data('id');\n                var ruleoutcome = $(e.target).val();\n                requests = ajax.call([\n                    {methodname: 'core_competency_set_course_competency_ruleoutcome',\n                      args: {coursecompetencyid: coursecompetencyid, ruleoutcome: ruleoutcome}},\n                    {methodname: 'tool_lp_data_for_course_competencies_page',\n                      args: {courseid: localthis.itemid, moduleid: 0}}\n                ]);\n\n                requests[1].then(function(context) {\n                    return templates.render(pagerender, context);\n                })\n                .then(function(html, js) {\n                    return templates.replaceNode($('[data-region=\"' + pageregion + '\"]'), html, js);\n                })\n                .then(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        }\n\n        $('[data-region=\"actions\"] button').click(function(e) {\n            var pendingPromise = new Pending();\n            e.preventDefault();\n\n            localthis.pickCompetency()\n                .then(pendingPromise.resolve)\n                .catch();\n        });\n        $('[data-action=\"delete-competency-link\"]').click(function(e) {\n            e.preventDefault();\n\n            var deleteid = $(e.target).closest('[data-id]').data('id');\n            localthis.deleteHandler(deleteid);\n        });\n    };\n\n    return /** @alias module:tool_lp/competencies */ competencies;\n});\n"],"file":"competencies.min.js"}
\ No newline at end of file
+{"version":3,"file":"competencies.min.js","sources":["../src/competencies.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle add/remove competency links.\n *\n * @module     tool_lp/competencies\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'core/str',\n        'tool_lp/competencypicker',\n        'tool_lp/dragdrop-reorder',\n        'core/pending'],\n       function($, notification, ajax, templates, str, Picker, dragdrop, Pending) {\n\n    /**\n     * Constructor\n     *\n     * @param {Number} itemid\n     * @param {String} itemtype\n     * @param {Number} pagectxid\n     */\n    var competencies = function(itemid, itemtype, pagectxid) {\n        this.itemid = itemid;\n        this.itemtype = itemtype;\n        this.pageContextId = pagectxid;\n        this.pickerInstance = null;\n\n        $('[data-region=\"actions\"] button').prop('disabled', false);\n        this.registerEvents();\n        this.registerDragDrop();\n    };\n\n    /**\n     * Initialise the drag/drop code.\n     * @method registerDragDrop\n     */\n    competencies.prototype.registerDragDrop = function() {\n        var localthis = this;\n        // Init this module.\n        str.get_string('movecompetency', 'tool_lp').done(\n            function(movestring) {\n                dragdrop.dragdrop('movecompetency',\n                                  movestring,\n                                  {identifier: 'movecompetency', component: 'tool_lp'},\n                                  {identifier: 'movecompetencyafter', component: 'tool_lp'},\n                                  'drag-samenode',\n                                  'drag-parentnode',\n                                  'drag-handlecontainer',\n                                  function(drag, drop) {\n                                      localthis.handleDrop(drag, drop);\n                                  });\n            }\n        ).fail(notification.exception);\n\n    };\n\n    /**\n     * Handle a drop from a drag/drop operation.\n     *\n     * @method handleDrop\n     * @param {DOMNode} drag The dragged node.\n     * @param {DOMNode} drop The dropped on node.\n     */\n    competencies.prototype.handleDrop = function(drag, drop) {\n        var fromid = $(drag).data('id');\n        var toid = $(drop).data('id');\n        var localthis = this;\n        var requests = [];\n\n        if (localthis.itemtype == 'course') {\n            requests = ajax.call([\n                {\n                    methodname: 'core_competency_reorder_course_competency',\n                    args: {courseid: localthis.itemid, competencyidfrom: fromid, competencyidto: toid}\n                }\n            ]);\n        } else if (localthis.itemtype == 'template') {\n            requests = ajax.call([\n                {\n                    methodname: 'core_competency_reorder_template_competency',\n                    args: {templateid: localthis.itemid, competencyidfrom: fromid, competencyidto: toid}\n                }\n            ]);\n        } else if (localthis.itemtype == 'plan') {\n            requests = ajax.call([\n                {\n                    methodname: 'core_competency_reorder_plan_competency',\n                    args: {planid: localthis.itemid, competencyidfrom: fromid, competencyidto: toid}\n                }\n            ]);\n        } else {\n            return;\n        }\n\n        requests[0].fail(notification.exception);\n    };\n\n    /**\n     * Pick a competency\n     *\n     * @method pickCompetency\n     * @return {Promise}\n     */\n    competencies.prototype.pickCompetency = function() {\n        var self = this;\n        var requests;\n        var pagerender;\n        var pageregion;\n        var pageContextIncludes;\n\n        if (!self.pickerInstance) {\n            if (self.itemtype === 'template' || self.itemtype === 'course') {\n                pageContextIncludes = 'parents';\n            }\n            self.pickerInstance = new Picker(self.pageContextId, false, pageContextIncludes);\n            self.pickerInstance.on('save', function(e, data) {\n                var compIds = data.competencyIds;\n                var pendingPromise = new Pending();\n\n                if (self.itemtype === \"course\") {\n                    requests = [];\n\n                    $.each(compIds, function(index, compId) {\n                        requests.push({\n                            methodname: 'core_competency_add_competency_to_course',\n                            args: {courseid: self.itemid, competencyid: compId}\n                        });\n                    });\n                    requests.push({\n                        methodname: 'tool_lp_data_for_course_competencies_page',\n                        args: {courseid: self.itemid, moduleid: 0}\n                    });\n\n                    pagerender = 'tool_lp/course_competencies_page';\n                    pageregion = 'coursecompetenciespage';\n\n                } else if (self.itemtype === \"template\") {\n                    requests = [];\n\n                    $.each(compIds, function(index, compId) {\n                        requests.push({\n                            methodname: 'core_competency_add_competency_to_template',\n                            args: {templateid: self.itemid, competencyid: compId}\n                        });\n                    });\n                    requests.push({\n                        methodname: 'tool_lp_data_for_template_competencies_page',\n                        args: {templateid: self.itemid, pagecontext: {contextid: self.pageContextId}}\n                    });\n                    pagerender = 'tool_lp/template_competencies_page';\n                    pageregion = 'templatecompetenciespage';\n                } else if (self.itemtype === \"plan\") {\n                    requests = [];\n\n                    $.each(compIds, function(index, compId) {\n                        requests.push({\n                            methodname: 'core_competency_add_competency_to_plan',\n                            args: {planid: self.itemid, competencyid: compId}\n                        });\n                    });\n                    requests.push({\n                         methodname: 'tool_lp_data_for_plan_page',\n                         args: {planid: self.itemid}\n                    });\n                    pagerender = 'tool_lp/plan_page';\n                    pageregion = 'plan-page';\n                }\n                ajax.call(requests)[requests.length - 1]\n                .then(function(context) {\n                    return templates.render(pagerender, context);\n                })\n                .then(function(html, js) {\n                    templates.replaceNode($('[data-region=\"' + pageregion + '\"]'), html, js);\n                    return;\n                })\n                .then(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        }\n\n        return self.pickerInstance.display();\n    };\n\n    /**\n     * Delete the link between competency and course, template or plan. Reload the page.\n     *\n     * @method doDelete\n     * @param {int} deleteid The id of record to delete.\n     */\n    competencies.prototype.doDelete = function(deleteid) {\n        var localthis = this;\n        var requests = [],\n            pagerender = '',\n            pageregion = '';\n\n        // Delete the link and reload the page template.\n        if (localthis.itemtype == 'course') {\n            requests = ajax.call([\n                {methodname: 'core_competency_remove_competency_from_course',\n                    args: {courseid: localthis.itemid, competencyid: deleteid}},\n                {methodname: 'tool_lp_data_for_course_competencies_page',\n                    args: {courseid: localthis.itemid, moduleid: 0}}\n            ]);\n            pagerender = 'tool_lp/course_competencies_page';\n            pageregion = 'coursecompetenciespage';\n        } else if (localthis.itemtype == 'template') {\n            requests = ajax.call([\n                {methodname: 'core_competency_remove_competency_from_template',\n                    args: {templateid: localthis.itemid, competencyid: deleteid}},\n                {methodname: 'tool_lp_data_for_template_competencies_page',\n                    args: {templateid: localthis.itemid, pagecontext: {contextid: localthis.pageContextId}}}\n            ]);\n            pagerender = 'tool_lp/template_competencies_page';\n            pageregion = 'templatecompetenciespage';\n        } else if (localthis.itemtype == 'plan') {\n            requests = ajax.call([\n                {methodname: 'core_competency_remove_competency_from_plan',\n                    args: {planid: localthis.itemid, competencyid: deleteid}},\n                {methodname: 'tool_lp_data_for_plan_page',\n                    args: {planid: localthis.itemid}}\n            ]);\n            pagerender = 'tool_lp/plan_page';\n            pageregion = 'plan-page';\n        }\n\n        requests[1].done(function(context) {\n            templates.render(pagerender, context).done(function(html, js) {\n                $('[data-region=\"' + pageregion + '\"]').replaceWith(html);\n                templates.runTemplateJS(js);\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Show a confirm dialogue before deleting a competency.\n     *\n     * @method deleteHandler\n     * @param {int} deleteid The id of record to delete.\n     */\n    competencies.prototype.deleteHandler = function(deleteid) {\n        var localthis = this;\n        var requests = [];\n        var message;\n\n        if (localthis.itemtype == 'course') {\n            message = 'unlinkcompetencycourse';\n        } else if (localthis.itemtype == 'template') {\n            message = 'unlinkcompetencytemplate';\n        } else if (localthis.itemtype == 'plan') {\n            message = 'unlinkcompetencyplan';\n        } else {\n            return;\n        }\n\n        requests = ajax.call([{\n            methodname: 'core_competency_read_competency',\n            args: {id: deleteid}\n        }]);\n\n        requests[0].done(function(competency) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: message, component: 'tool_lp', param: competency.shortname},\n                {key: 'confirm', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Unlink the competency X from the course?\n                    strings[2], // Confirm.\n                    strings[3], // Cancel.\n                    function() {\n                        localthis.doDelete(deleteid);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Register the javascript event handlers for this page.\n     *\n     * @method registerEvents\n     */\n    competencies.prototype.registerEvents = function() {\n        var localthis = this;\n\n        if (localthis.itemtype == 'course') {\n            // Course completion rule handling.\n            $('[data-region=\"coursecompetenciespage\"]').on('change', 'select[data-field=\"ruleoutcome\"]', function(e) {\n                var pendingPromise = new Pending();\n                var requests = [];\n                var pagerender = 'tool_lp/course_competencies_page';\n                var pageregion = 'coursecompetenciespage';\n                var coursecompetencyid = $(e.target).data('id');\n                var ruleoutcome = $(e.target).val();\n                requests = ajax.call([\n                    {methodname: 'core_competency_set_course_competency_ruleoutcome',\n                      args: {coursecompetencyid: coursecompetencyid, ruleoutcome: ruleoutcome}},\n                    {methodname: 'tool_lp_data_for_course_competencies_page',\n                      args: {courseid: localthis.itemid, moduleid: 0}}\n                ]);\n\n                requests[1].then(function(context) {\n                    return templates.render(pagerender, context);\n                })\n                .then(function(html, js) {\n                    return templates.replaceNode($('[data-region=\"' + pageregion + '\"]'), html, js);\n                })\n                .then(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        }\n\n        $('[data-region=\"actions\"] button').click(function(e) {\n            var pendingPromise = new Pending();\n            e.preventDefault();\n\n            localthis.pickCompetency()\n                .then(pendingPromise.resolve)\n                .catch();\n        });\n        $('[data-action=\"delete-competency-link\"]').click(function(e) {\n            e.preventDefault();\n\n            var deleteid = $(e.target).closest('[data-id]').data('id');\n            localthis.deleteHandler(deleteid);\n        });\n    };\n\n    return /** @alias module:tool_lp/competencies */ 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diff --git a/admin/tool/lp/amd/build/competency_outcomes.min.js b/admin/tool/lp/amd/build/competency_outcomes.min.js
index ae3938f0be3..484219756a9 100644
--- a/admin/tool/lp/amd/build/competency_outcomes.min.js
+++ b/admin/tool/lp/amd/build/competency_outcomes.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/competency_outcomes",["jquery","core/str"],function(a,b){return{NONE:0,EVIDENCE:1,COMPLETE:2,RECOMMEND:3,getAll:function getAll(){var a=this;return b.get_strings([{key:"competencyoutcome_none",component:"tool_lp"},{key:"competencyoutcome_evidence",component:"tool_lp"},{key:"competencyoutcome_recommend",component:"tool_lp"},{key:"competencyoutcome_complete",component:"tool_lp"}]).then(function(b){var c={};c[a.NONE]={code:a.NONE,name:b[0]};c[a.EVIDENCE]={code:a.EVIDENCE,name:b[1]};c[a.RECOMMEND]={code:a.RECOMMEND,name:b[2]};c[a.COMPLETE]={code:a.COMPLETE,name:b[3]};return c})},getString:function getString(b){var c=this,d=c.getAll();return d.then(function(c){if("undefined"==typeof c[b]){return a.Deferred().reject().promise()}return c[b].name})}}});
-//# sourceMappingURL=competency_outcomes.min.js.map
+/**
+ * Competency rule config.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competency_outcomes",["jquery","core/str"],(function($,Str){return{NONE:0,EVIDENCE:1,COMPLETE:2,RECOMMEND:3,getAll:function(){var self=this;return Str.get_strings([{key:"competencyoutcome_none",component:"tool_lp"},{key:"competencyoutcome_evidence",component:"tool_lp"},{key:"competencyoutcome_recommend",component:"tool_lp"},{key:"competencyoutcome_complete",component:"tool_lp"}]).then((function(strings){var outcomes={};return outcomes[self.NONE]={code:self.NONE,name:strings[0]},outcomes[self.EVIDENCE]={code:self.EVIDENCE,name:strings[1]},outcomes[self.RECOMMEND]={code:self.RECOMMEND,name:strings[2]},outcomes[self.COMPLETE]={code:self.COMPLETE,name:strings[3]},outcomes}))},getString:function(id){return this.getAll().then((function(outcomes){return void 0===outcomes[id]?$.Deferred().reject().promise():outcomes[id].name}))}}}));
+
+//# sourceMappingURL=competency_outcomes.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competency_outcomes.min.js.map b/admin/tool/lp/amd/build/competency_outcomes.min.js.map
index 9d51fae5228..43680911894 100644
--- a/admin/tool/lp/amd/build/competency_outcomes.min.js.map
+++ b/admin/tool/lp/amd/build/competency_outcomes.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"competency_outcomes.min.js","sources":["../src/competency_outcomes.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule config.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/str'],\n        function($, Str) {\n\n    var OUTCOME_NONE = 0,\n        OUTCOME_EVIDENCE = 1,\n        OUTCOME_COMPLETE = 2,\n        OUTCOME_RECOMMEND = 3;\n\n    return /** @alias module:tool_lp/competency_outcomes */ {\n\n        NONE: OUTCOME_NONE,\n        EVIDENCE: OUTCOME_EVIDENCE,\n        COMPLETE: OUTCOME_COMPLETE,\n        RECOMMEND: OUTCOME_RECOMMEND,\n\n        /**\n         * Get all the outcomes.\n         *\n         * @return {Object} Indexed by outcome code, contains code and name.\n         * @method getAll\n         */\n        getAll: function() {\n            var self = this;\n            return Str.get_strings([\n                {key: 'competencyoutcome_none', component: 'tool_lp'},\n                {key: 'competencyoutcome_evidence', component: 'tool_lp'},\n                {key: 'competencyoutcome_recommend', component: 'tool_lp'},\n                {key: 'competencyoutcome_complete', component: 'tool_lp'},\n            ]).then(function(strings) {\n                var outcomes = {};\n                outcomes[self.NONE] = {code: self.NONE, name: strings[0]};\n                outcomes[self.EVIDENCE] = {code: self.EVIDENCE, name: strings[1]};\n                outcomes[self.RECOMMEND] = {code: self.RECOMMEND, name: strings[2]};\n                outcomes[self.COMPLETE] = {code: self.COMPLETE, name: strings[3]};\n                return outcomes;\n            });\n        },\n\n        /**\n         * Get the string for an outcome.\n         *\n         * @param  {Number} id The outcome code.\n         * @return {Promise} Resolved with the string.\n         * @method getString\n         */\n        getString: function(id) {\n            var self = this,\n                all = self.getAll();\n\n            return all.then(function(outcomes) {\n                if (typeof outcomes[id] === 'undefined') {\n                    return $.Deferred().reject().promise();\n                }\n                return outcomes[id].name;\n            });\n        }\n    };\n\n});\n"],"names":["define","$","Str","NONE","EVIDENCE","COMPLETE","RECOMMEND","getAll","self","this","get_strings","key","component","then","strings","outcomes","code","name","getString","id","Deferred","reject","promise"],"mappings":";;;;;;;AAuBAA,qCAAO,CAAC,SACA,aACA,SAASC,EAAGC,WAOwC,CAEpDC,KAPe,EAQfC,SAPmB,EAQnBC,SAPmB,EAQnBC,UAPoB,EAepBC,OAAQ,eACAC,KAAOC,YACJP,IAAIQ,YAAY,CACnB,CAACC,IAAK,yBAA0BC,UAAW,WAC3C,CAACD,IAAK,6BAA8BC,UAAW,WAC/C,CAACD,IAAK,8BAA+BC,UAAW,WAChD,CAACD,IAAK,6BAA8BC,UAAW,aAChDC,MAAK,SAASC,aACTC,SAAW,UACfA,SAASP,KAAKL,MAAQ,CAACa,KAAMR,KAAKL,KAAMc,KAAMH,QAAQ,IACtDC,SAASP,KAAKJ,UAAY,CAACY,KAAMR,KAAKJ,SAAUa,KAAMH,QAAQ,IAC9DC,SAASP,KAAKF,WAAa,CAACU,KAAMR,KAAKF,UAAWW,KAAMH,QAAQ,IAChEC,SAASP,KAAKH,UAAY,CAACW,KAAMR,KAAKH,SAAUY,KAAMH,QAAQ,IACvDC,aAWfG,UAAW,SAASC,WACLV,KACIF,SAEJM,MAAK,SAASE,sBACO,IAAjBA,SAASI,IACTlB,EAAEmB,WAAWC,SAASC,UAE1BP,SAASI,IAAIF"}
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diff --git a/admin/tool/lp/amd/build/competency_plan_navigation.min.js b/admin/tool/lp/amd/build/competency_plan_navigation.min.js
index fbf44da2b37..02cda0478ab 100644
--- a/admin/tool/lp/amd/build/competency_plan_navigation.min.js
+++ b/admin/tool/lp/amd/build/competency_plan_navigation.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/competency_plan_navigation",["jquery"],function(a){var b=function(b,c,d,e,f){this._baseUrl=c;this._userId=d+"";this._competencyId=e+"";this._planId=f;this._ignoreFirstCompetency=!0;a(b).on("change",this._competencyChanged.bind(this))};b.prototype._competencyChanged=function(b){if(this._ignoreFirstCompetency){this._ignoreFirstCompetency=!1;return}var c=a(b.target).val(),d="?userid="+this._userId+"&planid="+this._planId+"&competencyid="+c;document.location=this._baseUrl+d};b.prototype._competencyId=null;b.prototype._userId=null;b.prototype._planId=null;b.prototype._baseUrl=null;b.prototype._ignoreFirstCompetency=null;return b});
-//# sourceMappingURL=competency_plan_navigation.min.js.map
+/**
+ * Event click on selecting competency in the competency autocomplete.
+ *
+ * @package    tool_lp
+ * @copyright  2016 Issam Taboubi <issam.taboubi@umontreal.ca>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competency_plan_navigation",["jquery"],(function($){var CompetencyPlanNavigation=function(competencySelector,baseUrl,userId,competencyId,planId){this._baseUrl=baseUrl,this._userId=userId+"",this._competencyId=competencyId+"",this._planId=planId,this._ignoreFirstCompetency=!0,$(competencySelector).on("change",this._competencyChanged.bind(this))};return CompetencyPlanNavigation.prototype._competencyChanged=function(e){if(this._ignoreFirstCompetency)this._ignoreFirstCompetency=!1;else{var newCompetencyId=$(e.target).val(),queryStr="?userid="+this._userId+"&planid="+this._planId+"&competencyid="+newCompetencyId;document.location=this._baseUrl+queryStr}},CompetencyPlanNavigation.prototype._competencyId=null,CompetencyPlanNavigation.prototype._userId=null,CompetencyPlanNavigation.prototype._planId=null,CompetencyPlanNavigation.prototype._baseUrl=null,CompetencyPlanNavigation.prototype._ignoreFirstCompetency=null,CompetencyPlanNavigation}));
+
+//# sourceMappingURL=competency_plan_navigation.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competency_plan_navigation.min.js.map b/admin/tool/lp/amd/build/competency_plan_navigation.min.js.map
index bb2bb21e3e0..0891c128872 100644
--- a/admin/tool/lp/amd/build/competency_plan_navigation.min.js.map
+++ b/admin/tool/lp/amd/build/competency_plan_navigation.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/competency_plan_navigation.js"],"names":["define","$","CompetencyPlanNavigation","competencySelector","baseUrl","userId","competencyId","planId","_baseUrl","_userId","_competencyId","_planId","_ignoreFirstCompetency","on","_competencyChanged","bind","prototype","e","newCompetencyId","target","val","queryStr","document","location"],"mappings":"AAuBAA,OAAM,sCAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAW3B,GAAIC,CAAAA,CAAwB,CAAG,SAASC,CAAT,CAA6BC,CAA7B,CAAsCC,CAAtC,CAA8CC,CAA9C,CAA4DC,CAA5D,CAAoE,CAC/F,KAAKC,QAAL,CAAgBJ,CAAhB,CACA,KAAKK,OAAL,CAAeJ,CAAM,CAAG,EAAxB,CACA,KAAKK,aAAL,CAAqBJ,CAAY,CAAG,EAApC,CACA,KAAKK,OAAL,CAAeJ,CAAf,CACA,KAAKK,sBAAL,IAEAX,CAAC,CAACE,CAAD,CAAD,CAAsBU,EAAtB,CAAyB,QAAzB,CAAmC,KAAKC,kBAAL,CAAwBC,IAAxB,CAA6B,IAA7B,CAAnC,CACH,CARD,CAgBAb,CAAwB,CAACc,SAAzB,CAAmCF,kBAAnC,CAAwD,SAASG,CAAT,CAAY,CAChE,GAAI,KAAKL,sBAAT,CAAiC,CAC7B,KAAKA,sBAAL,IACA,MACH,CAJ+D,GAK5DM,CAAAA,CAAe,CAAGjB,CAAC,CAACgB,CAAC,CAACE,MAAH,CAAD,CAAYC,GAAZ,EAL0C,CAM5DC,CAAQ,CAAG,WAAa,KAAKZ,OAAlB,CAA4B,UAA5B,CAAyC,KAAKE,OAA9C,CAAwD,gBAAxD,CAA2EO,CAN1B,CAOhEI,QAAQ,CAACC,QAAT,CAAoB,KAAKf,QAAL,CAAgBa,CACvC,CARD,CAWAnB,CAAwB,CAACc,SAAzB,CAAmCN,aAAnC,CAAmD,IAAnD,CAEAR,CAAwB,CAACc,SAAzB,CAAmCP,OAAnC,CAA6C,IAA7C,CAEAP,CAAwB,CAACc,SAAzB,CAAmCL,OAAnC,CAA6C,IAA7C,CAEAT,CAAwB,CAACc,SAAzB,CAAmCR,QAAnC,CAA8C,IAA9C,CAEAN,CAAwB,CAACc,SAAzB,CAAmCJ,sBAAnC,CAA4D,IAA5D,CAEA,MAA+DV,CAAAA,CAElE,CAlDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Event click on selecting competency in the competency autocomplete.\n *\n * @package    tool_lp\n * @copyright  2016 Issam Taboubi <issam.taboubi@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * CompetencyPlanNavigation\n     *\n     * @param {String} competencySelector The selector of the competency element.\n     * @param {String} baseUrl The base url for the page (no params).\n     * @param {Number} userId The user id\n     * @param {Number} competencyId The competency id\n     * @param {Number} planId The plan id\n     */\n    var CompetencyPlanNavigation = function(competencySelector, baseUrl, userId, competencyId, planId) {\n        this._baseUrl = baseUrl;\n        this._userId = userId + '';\n        this._competencyId = competencyId + '';\n        this._planId = planId;\n        this._ignoreFirstCompetency = true;\n\n        $(competencySelector).on('change', this._competencyChanged.bind(this));\n    };\n\n    /**\n     * The competency was changed in the select list.\n     *\n     * @method _competencyChanged\n     * @param {Event} e\n     */\n    CompetencyPlanNavigation.prototype._competencyChanged = function(e) {\n        if (this._ignoreFirstCompetency) {\n            this._ignoreFirstCompetency = false;\n            return;\n        }\n        var newCompetencyId = $(e.target).val();\n        var queryStr = '?userid=' + this._userId + '&planid=' + this._planId + '&competencyid=' + newCompetencyId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /** @type {Number} The id of the competency. */\n    CompetencyPlanNavigation.prototype._competencyId = null;\n    /** @type {Number} The id of the user. */\n    CompetencyPlanNavigation.prototype._userId = null;\n    /** @type {Number} The id of the plan. */\n    CompetencyPlanNavigation.prototype._planId = null;\n    /** @type {String} Plugin base url. */\n    CompetencyPlanNavigation.prototype._baseUrl = null;\n    /** @type {Boolean} Ignore the first change event for competencies. */\n    CompetencyPlanNavigation.prototype._ignoreFirstCompetency = null;\n\n    return /** @alias module:tool_lp/competency_plan_navigation */ CompetencyPlanNavigation;\n\n});\n"],"file":"competency_plan_navigation.min.js"}
\ No newline at end of file
+{"version":3,"file":"competency_plan_navigation.min.js","sources":["../src/competency_plan_navigation.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Event click on selecting competency in the competency autocomplete.\n *\n * @package    tool_lp\n * @copyright  2016 Issam Taboubi <issam.taboubi@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * CompetencyPlanNavigation\n     *\n     * @param {String} competencySelector The selector of the competency element.\n     * @param {String} baseUrl The base url for the page (no params).\n     * @param {Number} userId The user id\n     * @param {Number} competencyId The competency id\n     * @param {Number} planId The plan id\n     */\n    var CompetencyPlanNavigation = function(competencySelector, baseUrl, userId, competencyId, planId) {\n        this._baseUrl = baseUrl;\n        this._userId = userId + '';\n        this._competencyId = competencyId + '';\n        this._planId = planId;\n        this._ignoreFirstCompetency = true;\n\n        $(competencySelector).on('change', this._competencyChanged.bind(this));\n    };\n\n    /**\n     * The competency was changed in the select list.\n     *\n     * @method _competencyChanged\n     * @param {Event} e\n     */\n    CompetencyPlanNavigation.prototype._competencyChanged = function(e) {\n        if (this._ignoreFirstCompetency) {\n            this._ignoreFirstCompetency = false;\n            return;\n        }\n        var newCompetencyId = $(e.target).val();\n        var queryStr = '?userid=' + this._userId + '&planid=' + this._planId + '&competencyid=' + newCompetencyId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /** @type {Number} The id of the competency. */\n    CompetencyPlanNavigation.prototype._competencyId = null;\n    /** @type {Number} The id of the user. */\n    CompetencyPlanNavigation.prototype._userId = null;\n    /** @type {Number} The id of the plan. */\n    CompetencyPlanNavigation.prototype._planId = null;\n    /** @type {String} Plugin base url. */\n    CompetencyPlanNavigation.prototype._baseUrl = null;\n    /** @type {Boolean} Ignore the first change event for competencies. */\n    CompetencyPlanNavigation.prototype._ignoreFirstCompetency = null;\n\n    return /** @alias module:tool_lp/competency_plan_navigation */ CompetencyPlanNavigation;\n\n});\n"],"names":["define","$","CompetencyPlanNavigation","competencySelector","baseUrl","userId","competencyId","planId","_baseUrl","_userId","_competencyId","_planId","_ignoreFirstCompetency","on","this","_competencyChanged","bind","prototype","e","newCompetencyId","target","val","queryStr","document","location"],"mappings":";;;;;;;AAuBAA,4CAAO,CAAC,WAAW,SAASC,OAWpBC,yBAA2B,SAASC,mBAAoBC,QAASC,OAAQC,aAAcC,aAClFC,SAAWJ,aACXK,QAAUJ,OAAS,QACnBK,cAAgBJ,aAAe,QAC/BK,QAAUJ,YACVK,wBAAyB,EAE9BX,EAAEE,oBAAoBU,GAAG,SAAUC,KAAKC,mBAAmBC,KAAKF,eASpEZ,yBAAyBe,UAAUF,mBAAqB,SAASG,MACzDJ,KAAKF,4BACAA,wBAAyB,WAG9BO,gBAAkBlB,EAAEiB,EAAEE,QAAQC,MAC9BC,SAAW,WAAaR,KAAKL,QAAU,WAAaK,KAAKH,QAAU,iBAAmBQ,gBAC1FI,SAASC,SAAWV,KAAKN,SAAWc,WAIxCpB,yBAAyBe,UAAUP,cAAgB,KAEnDR,yBAAyBe,UAAUR,QAAU,KAE7CP,yBAAyBe,UAAUN,QAAU,KAE7CT,yBAAyBe,UAAUT,SAAW,KAE9CN,yBAAyBe,UAAUL,uBAAyB,KAEGV"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competency_rule.min.js b/admin/tool/lp/amd/build/competency_rule.min.js
index 1315e57b049..b79c19a5ef4 100644
--- a/admin/tool/lp/amd/build/competency_rule.min.js
+++ b/admin/tool/lp/amd/build/competency_rule.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/competency_rule",["jquery"],function(a){var b=function(b){this._eventNode=a("<div>");this._ready=a.Deferred();this._tree=b};b.prototype._competency=null;b.prototype._eventNode=null;b.prototype._ready=null;b.prototype._tree=null;b.prototype.canConfig=function(){return this._tree.hasChildren(this._competency.id)};b.prototype.getConfig=function(){return null};b.prototype.getType=function(){throw new Error("Not implemented")};b.prototype.init=function(){return this._load()};b.prototype.injectTemplate=function(){return a.Deferred().reject().promise()};b.prototype.isValid=function(){return!1};b.prototype._load=function(){return a.when()};b.prototype.on=function(a,b){this._eventNode.on(a,b)};b.prototype.setTargetCompetency=function(a){this._competency=a};b.prototype._trigger=function(a,b){this._eventNode.trigger(a,[b])};b.prototype._triggerChange=function(){this._trigger("change",this)};return b});
-//# sourceMappingURL=competency_rule.min.js.map
+/**
+ * Competency rule base module.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competency_rule",["jquery"],(function($){var Rule=function(tree){this._eventNode=$("<div>"),this._ready=$.Deferred(),this._tree=tree};return Rule.prototype._competency=null,Rule.prototype._eventNode=null,Rule.prototype._ready=null,Rule.prototype._tree=null,Rule.prototype.canConfig=function(){return this._tree.hasChildren(this._competency.id)},Rule.prototype.getConfig=function(){return null},Rule.prototype.getType=function(){throw new Error("Not implemented")},Rule.prototype.init=function(){return this._load()},Rule.prototype.injectTemplate=function(){return $.Deferred().reject().promise()},Rule.prototype.isValid=function(){return!1},Rule.prototype._load=function(){return $.when()},Rule.prototype.on=function(type,handler){this._eventNode.on(type,handler)},Rule.prototype.setTargetCompetency=function(competency){this._competency=competency},Rule.prototype._trigger=function(type,data){this._eventNode.trigger(type,[data])},Rule.prototype._triggerChange=function(){this._trigger("change",this)},Rule}));
+
+//# sourceMappingURL=competency_rule.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competency_rule.min.js.map b/admin/tool/lp/amd/build/competency_rule.min.js.map
index a3f79cf3d6a..3d634237ba9 100644
--- a/admin/tool/lp/amd/build/competency_rule.min.js.map
+++ b/admin/tool/lp/amd/build/competency_rule.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/competency_rule.js"],"names":["define","$","Rule","tree","_eventNode","_ready","Deferred","_tree","prototype","_competency","canConfig","hasChildren","id","getConfig","getType","Error","init","_load","injectTemplate","reject","promise","isValid","when","on","type","handler","setTargetCompetency","competency","_trigger","data","trigger","_triggerChange"],"mappings":"AAuBAA,OAAM,2BAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAa3B,GAAIC,CAAAA,CAAI,CAAG,SAASC,CAAT,CAAe,CACtB,KAAKC,UAAL,CAAkBH,CAAC,CAAC,OAAD,CAAnB,CACA,KAAKI,MAAL,CAAcJ,CAAC,CAACK,QAAF,EAAd,CACA,KAAKC,KAAL,CAAaJ,CAChB,CAJD,CAOAD,CAAI,CAACM,SAAL,CAAeC,WAAf,CAA6B,IAA7B,CAEAP,CAAI,CAACM,SAAL,CAAeJ,UAAf,CAA4B,IAA5B,CAEAF,CAAI,CAACM,SAAL,CAAeH,MAAf,CAAwB,IAAxB,CAEAH,CAAI,CAACM,SAAL,CAAeD,KAAf,CAAuB,IAAvB,CAQAL,CAAI,CAACM,SAAL,CAAeE,SAAf,CAA2B,UAAW,CAClC,MAAO,MAAKH,KAAL,CAAWI,WAAX,CAAuB,KAAKF,WAAL,CAAiBG,EAAxC,CACV,CAFD,CAYAV,CAAI,CAACM,SAAL,CAAeK,SAAf,CAA2B,UAAW,CAClC,MAAO,KACV,CAFD,CAWAX,CAAI,CAACM,SAAL,CAAeM,OAAf,CAAyB,UAAW,CAChC,KAAM,IAAIC,CAAAA,KAAJ,CAAU,iBAAV,CACT,CAFD,CAYAb,CAAI,CAACM,SAAL,CAAeQ,IAAf,CAAsB,UAAW,CAC7B,MAAO,MAAKC,KAAL,EACV,CAFD,CAWAf,CAAI,CAACM,SAAL,CAAeU,cAAf,CAAgC,UAAW,CACvC,MAAOjB,CAAAA,CAAC,CAACK,QAAF,GAAaa,MAAb,GAAsBC,OAAtB,EACV,CAFD,CAYAlB,CAAI,CAACM,SAAL,CAAea,OAAf,CAAyB,UAAW,CAChC,QACH,CAFD,CAWAnB,CAAI,CAACM,SAAL,CAAeS,KAAf,CAAuB,UAAW,CAC9B,MAAOhB,CAAAA,CAAC,CAACqB,IAAF,EACV,CAFD,CAWApB,CAAI,CAACM,SAAL,CAAee,EAAf,CAAoB,SAASC,CAAT,CAAeC,CAAf,CAAwB,CACxC,KAAKrB,UAAL,CAAgBmB,EAAhB,CAAmBC,CAAnB,CAAyBC,CAAzB,CACH,CAFD,CAUAvB,CAAI,CAACM,SAAL,CAAekB,mBAAf,CAAqC,SAASC,CAAT,CAAqB,CACtD,KAAKlB,WAAL,CAAmBkB,CACtB,CAFD,CAYAzB,CAAI,CAACM,SAAL,CAAeoB,QAAf,CAA0B,SAASJ,CAAT,CAAeK,CAAf,CAAqB,CAC3C,KAAKzB,UAAL,CAAgB0B,OAAhB,CAAwBN,CAAxB,CAA8B,CAACK,CAAD,CAA9B,CACH,CAFD,CAUA3B,CAAI,CAACM,SAAL,CAAeuB,cAAf,CAAgC,UAAW,CACvC,KAAKH,QAAL,CAAc,QAAd,CAAwB,IAAxB,CACH,CAFD,CAIA,MAAoD1B,CAAAA,CAEvD,CAxJK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule base module.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * Competency rule abstract class.\n     *\n     * Any competency rule should extend this object. The event 'change' should be\n     * triggered on the instance when the configuration has changed. This will allow\n     * the components using the rule to gather the config, or check its validity.\n     *\n     * this._triggerChange();\n     *\n     * @param {Tree} tree The competency tree.\n     */\n    var Rule = function(tree) {\n        this._eventNode = $('<div>');\n        this._ready = $.Deferred();\n        this._tree = tree;\n    };\n\n    /** @type {Object} The current competency. */\n    Rule.prototype._competency = null;\n    /** @type {Node} The node we attach the events to. */\n    Rule.prototype._eventNode = null;\n    /** @type {Promise} Resolved when the object is ready. */\n    Rule.prototype._ready = null;\n    /** @type {Tree} The competency tree. */\n    Rule.prototype._tree = null;\n\n    /**\n     * Whether or not the current competency can be configured using this rule.\n     *\n     * @return {Boolean}\n     * @method canConfig\n     */\n    Rule.prototype.canConfig = function() {\n        return this._tree.hasChildren(this._competency.id);\n    };\n\n    /**\n     * The config established by this rule.\n     *\n     * To override in subclasses when relevant.\n     *\n     * @return {String|null}\n     * @method getConfig\n     */\n    Rule.prototype.getConfig = function() {\n        return null;\n    };\n\n    // eslint-disable-next-line valid-jsdoc\n    /**\n     * Return the type of the module.\n     *\n     * @return {String}\n     * @method getType\n     */\n    Rule.prototype.getType = function() {\n        throw new Error('Not implemented');\n    };\n\n    /**\n     * The init process.\n     *\n     * Do not override this, instead override _load.\n     *\n     * @return {Promise} Revoled when the plugin is initialised.\n     * @method init\n     */\n    Rule.prototype.init = function() {\n        return this._load();\n    };\n\n    /**\n     * Callback to inject the template.\n     *\n     * @param  {Node} container Node to inject in.\n     * @return {Promise} Resolved when done.\n     * @method injectTemplate\n     */\n    Rule.prototype.injectTemplate = function() {\n        return $.Deferred().reject().promise();\n    };\n\n    /**\n     * Whether or not the current config is valid.\n     *\n     * Plugins should override this.\n     *\n     * @return {Boolean}\n     * @method _isValid\n     */\n    Rule.prototype.isValid = function() {\n        return false;\n    };\n\n    /**\n     * Load the class.\n     *\n     * @return {Promise}\n     * @method _load\n     * @protected\n     */\n    Rule.prototype._load = function() {\n        return $.when();\n    };\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} type The event type.\n     * @param {Function} handler The event listener.\n     * @method on\n     */\n    Rule.prototype.on = function(type, handler) {\n        this._eventNode.on(type, handler);\n    };\n\n    /**\n     * Sets the current competency.\n     *\n     * @param {Competency} competency\n     * @method setTargetCompetency\n     */\n    Rule.prototype.setTargetCompetency = function(competency) {\n        this._competency = competency;\n    };\n\n    /**\n     * Trigger an event.\n     *\n     * @param {String} type The type of event.\n     * @param {Object} data The data to pass to the listeners.\n     * @method _trigger\n     * @protected\n     */\n    Rule.prototype._trigger = function(type, data) {\n        this._eventNode.trigger(type, [data]);\n    };\n\n    /**\n     * Trigger the change event.\n     *\n     * @method _triggerChange\n     * @protected\n     */\n    Rule.prototype._triggerChange = function() {\n        this._trigger('change', this);\n    };\n\n    return /** @alias module:tool_lp/competency_rule */ Rule;\n\n});\n"],"file":"competency_rule.min.js"}
\ No newline at end of file
+{"version":3,"file":"competency_rule.min.js","sources":["../src/competency_rule.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule base module.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * Competency rule abstract class.\n     *\n     * Any competency rule should extend this object. The event 'change' should be\n     * triggered on the instance when the configuration has changed. This will allow\n     * the components using the rule to gather the config, or check its validity.\n     *\n     * this._triggerChange();\n     *\n     * @param {Tree} tree The competency tree.\n     */\n    var Rule = function(tree) {\n        this._eventNode = $('<div>');\n        this._ready = $.Deferred();\n        this._tree = tree;\n    };\n\n    /** @type {Object} The current competency. */\n    Rule.prototype._competency = null;\n    /** @type {Node} The node we attach the events to. */\n    Rule.prototype._eventNode = null;\n    /** @type {Promise} Resolved when the object is ready. */\n    Rule.prototype._ready = null;\n    /** @type {Tree} The competency tree. */\n    Rule.prototype._tree = null;\n\n    /**\n     * Whether or not the current competency can be configured using this rule.\n     *\n     * @return {Boolean}\n     * @method canConfig\n     */\n    Rule.prototype.canConfig = function() {\n        return this._tree.hasChildren(this._competency.id);\n    };\n\n    /**\n     * The config established by this rule.\n     *\n     * To override in subclasses when relevant.\n     *\n     * @return {String|null}\n     * @method getConfig\n     */\n    Rule.prototype.getConfig = function() {\n        return null;\n    };\n\n    // eslint-disable-next-line valid-jsdoc\n    /**\n     * Return the type of the module.\n     *\n     * @return {String}\n     * @method getType\n     */\n    Rule.prototype.getType = function() {\n        throw new Error('Not implemented');\n    };\n\n    /**\n     * The init process.\n     *\n     * Do not override this, instead override _load.\n     *\n     * @return {Promise} Revoled when the plugin is initialised.\n     * @method init\n     */\n    Rule.prototype.init = function() {\n        return this._load();\n    };\n\n    /**\n     * Callback to inject the template.\n     *\n     * @param  {Node} container Node to inject in.\n     * @return {Promise} Resolved when done.\n     * @method injectTemplate\n     */\n    Rule.prototype.injectTemplate = function() {\n        return $.Deferred().reject().promise();\n    };\n\n    /**\n     * Whether or not the current config is valid.\n     *\n     * Plugins should override this.\n     *\n     * @return {Boolean}\n     * @method _isValid\n     */\n    Rule.prototype.isValid = function() {\n        return false;\n    };\n\n    /**\n     * Load the class.\n     *\n     * @return {Promise}\n     * @method _load\n     * @protected\n     */\n    Rule.prototype._load = function() {\n        return $.when();\n    };\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} type The event type.\n     * @param {Function} handler The event listener.\n     * @method on\n     */\n    Rule.prototype.on = function(type, handler) {\n        this._eventNode.on(type, handler);\n    };\n\n    /**\n     * Sets the current competency.\n     *\n     * @param {Competency} competency\n     * @method setTargetCompetency\n     */\n    Rule.prototype.setTargetCompetency = function(competency) {\n        this._competency = competency;\n    };\n\n    /**\n     * Trigger an event.\n     *\n     * @param {String} type The type of event.\n     * @param {Object} data The data to pass to the listeners.\n     * @method _trigger\n     * @protected\n     */\n    Rule.prototype._trigger = function(type, data) {\n        this._eventNode.trigger(type, [data]);\n    };\n\n    /**\n     * Trigger the change event.\n     *\n     * @method _triggerChange\n     * @protected\n     */\n    Rule.prototype._triggerChange = function() {\n        this._trigger('change', this);\n    };\n\n    return /** @alias module:tool_lp/competency_rule */ Rule;\n\n});\n"],"names":["define","$","Rule","tree","_eventNode","_ready","Deferred","_tree","prototype","_competency","canConfig","this","hasChildren","id","getConfig","getType","Error","init","_load","injectTemplate","reject","promise","isValid","when","on","type","handler","setTargetCompetency","competency","_trigger","data","trigger","_triggerChange"],"mappings":";;;;;;;AAuBAA,iCAAO,CAAC,WAAW,SAASC,OAapBC,KAAO,SAASC,WACXC,WAAaH,EAAE,cACfI,OAASJ,EAAEK,gBACXC,MAAQJ,aAIjBD,KAAKM,UAAUC,YAAc,KAE7BP,KAAKM,UAAUJ,WAAa,KAE5BF,KAAKM,UAAUH,OAAS,KAExBH,KAAKM,UAAUD,MAAQ,KAQvBL,KAAKM,UAAUE,UAAY,kBAChBC,KAAKJ,MAAMK,YAAYD,KAAKF,YAAYI,KAWnDX,KAAKM,UAAUM,UAAY,kBAChB,MAUXZ,KAAKM,UAAUO,QAAU,iBACf,IAAIC,MAAM,oBAWpBd,KAAKM,UAAUS,KAAO,kBACXN,KAAKO,SAUhBhB,KAAKM,UAAUW,eAAiB,kBACrBlB,EAAEK,WAAWc,SAASC,WAWjCnB,KAAKM,UAAUc,QAAU,kBACd,GAUXpB,KAAKM,UAAUU,MAAQ,kBACZjB,EAAEsB,QAUbrB,KAAKM,UAAUgB,GAAK,SAASC,KAAMC,cAC1BtB,WAAWoB,GAAGC,KAAMC,UAS7BxB,KAAKM,UAAUmB,oBAAsB,SAASC,iBACrCnB,YAAcmB,YAWvB1B,KAAKM,UAAUqB,SAAW,SAASJ,KAAMK,WAChC1B,WAAW2B,QAAQN,KAAM,CAACK,QASnC5B,KAAKM,UAAUwB,eAAiB,gBACvBH,SAAS,SAAUlB,OAGwBT"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competency_rule_all.min.js b/admin/tool/lp/amd/build/competency_rule_all.min.js
index c396c7fcfc9..167426be016 100644
--- a/admin/tool/lp/amd/build/competency_rule_all.min.js
+++ b/admin/tool/lp/amd/build/competency_rule_all.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/competency_rule_all",["jquery","core/str","tool_lp/competency_rule"],function(a,b,c){var d=function(){c.apply(this,arguments)};d.prototype=Object.create(c.prototype);d.prototype.getType=function(){return"core_competency\\competency_rule_all"};d.prototype.isValid=function(){return!0};return d});
-//# sourceMappingURL=competency_rule_all.min.js.map
+/**
+ * Competency rule all module.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competency_rule_all",["jquery","core/str","tool_lp/competency_rule"],(function($,Str,RuleBase){var Rule=function(){RuleBase.apply(this,arguments)};return(Rule.prototype=Object.create(RuleBase.prototype)).getType=function(){return"core_competency\\competency_rule_all"},Rule.prototype.isValid=function(){return!0},Rule}));
+
+//# sourceMappingURL=competency_rule_all.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competency_rule_all.min.js.map b/admin/tool/lp/amd/build/competency_rule_all.min.js.map
index ec8e34c939f..a6693ec69d8 100644
--- a/admin/tool/lp/amd/build/competency_rule_all.min.js.map
+++ b/admin/tool/lp/amd/build/competency_rule_all.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/competency_rule_all.js"],"names":["define","$","Str","RuleBase","Rule","apply","arguments","prototype","Object","create","getType","isValid"],"mappings":"AAuBAA,OAAM,+BAAC,CAAC,QAAD,CACC,UADD,CAEC,yBAFD,CAAD,CAIE,SAASC,CAAT,CAAYC,CAAZ,CAAiBC,CAAjB,CAA2B,CAK/B,GAAIC,CAAAA,CAAI,CAAG,UAAW,CAClBD,CAAQ,CAACE,KAAT,CAAe,IAAf,CAAqBC,SAArB,CACH,CAFD,CAGAF,CAAI,CAACG,SAAL,CAAiBC,MAAM,CAACC,MAAP,CAAcN,CAAQ,CAACI,SAAvB,CAAjB,CAQAH,CAAI,CAACG,SAAL,CAAeG,OAAf,CAAyB,UAAW,CAChC,MAAO,sCACV,CAFD,CAUAN,CAAI,CAACG,SAAL,CAAeI,OAAf,CAAyB,UAAW,CAChC,QACH,CAFD,CAIA,MAAwDP,CAAAA,CAE3D,CApCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule all module.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/str',\n        'tool_lp/competency_rule',\n        ],\n        function($, Str, RuleBase) {\n\n    /**\n     * Competency rule all class.\n     */\n    var Rule = function() {\n        RuleBase.apply(this, arguments);\n    };\n    Rule.prototype = Object.create(RuleBase.prototype);\n\n    /**\n     * Return the type of the module.\n     *\n     * @return {String}\n     * @method getType\n     */\n    Rule.prototype.getType = function() {\n        return 'core_competency\\\\competency_rule_all';\n    };\n\n    /**\n     * Whether or not the current config is valid.\n     *\n     * @return {Boolean}\n     * @method isValid\n     */\n    Rule.prototype.isValid = function() {\n        return true;\n    };\n\n    return /** @alias module:tool_lp/competency_rule_all */ Rule;\n\n});\n"],"file":"competency_rule_all.min.js"}
\ No newline at end of file
+{"version":3,"file":"competency_rule_all.min.js","sources":["../src/competency_rule_all.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule all module.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/str',\n        'tool_lp/competency_rule',\n        ],\n        function($, Str, RuleBase) {\n\n    /**\n     * Competency rule all class.\n     */\n    var Rule = function() {\n        RuleBase.apply(this, arguments);\n    };\n    Rule.prototype = Object.create(RuleBase.prototype);\n\n    /**\n     * Return the type of the module.\n     *\n     * @return {String}\n     * @method getType\n     */\n    Rule.prototype.getType = function() {\n        return 'core_competency\\\\competency_rule_all';\n    };\n\n    /**\n     * Whether or not the current config is valid.\n     *\n     * @return {Boolean}\n     * @method isValid\n     */\n    Rule.prototype.isValid = function() {\n        return true;\n    };\n\n    return /** @alias module:tool_lp/competency_rule_all */ Rule;\n\n});\n"],"names":["define","$","Str","RuleBase","Rule","apply","this","arguments","prototype","Object","create","getType","isValid"],"mappings":";;;;;;;AAuBAA,qCAAO,CAAC,SACA,WACA,4BAEA,SAASC,EAAGC,IAAKC,cAKjBC,KAAO,WACPD,SAASE,MAAMC,KAAMC,mBAEzBH,KAAKI,UAAYC,OAAOC,OAAOP,SAASK,YAQzBG,QAAU,iBACd,wCASXP,KAAKI,UAAUI,QAAU,kBACd,GAG6CR"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competency_rule_points.min.js b/admin/tool/lp/amd/build/competency_rule_points.min.js
index 1a034201667..1c2f6ecb3a0 100644
--- a/admin/tool/lp/amd/build/competency_rule_points.min.js
+++ b/admin/tool/lp/amd/build/competency_rule_points.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/competency_rule_points",["jquery","core/str","core/templates","tool_lp/competency_rule"],function(a,b,c,d){var e=function(){d.apply(this,arguments)};e.prototype=Object.create(d.prototype);e.prototype._container=null;e.prototype._templateLoaded=!1;e.prototype.getConfig=function(){return JSON.stringify({base:{points:this._getRequiredPoints()},competencies:this._getCompetenciesConfig()})};e.prototype._getCompetenciesConfig=function(){var b=[];this._container.find("[data-competency]").each(function(){var c=a(this),d=c.data("competency"),e=parseInt(c.find("[name=\"points\"]").val(),10),f=c.find("[name=\"required\"]").prop("checked");b.push({id:d,points:e,required:f?1:0})});return b};e.prototype._getRequiredPoints=function(){return parseInt(this._container.find("[name=\"requiredpoints\"]").val()||1,10)};e.prototype.getType=function(){return"core_competency\\competency_rule_points"};e.prototype.injectTemplate=function(b){var d=this,e=this._tree.getChildren(this._competency.id),f,g={base:{points:2},competencies:[]};this._templateLoaded=!1;if(d._competency.ruletype==d.getType()){try{g=JSON.parse(d._competency.ruleconfig)}catch(a){}}f={requiredpoints:g&&g.base?g.base.points:2,competency:d._competency,children:[]};a.each(e,function(b,c){var d={id:c.id,shortname:c.shortname,required:!1,points:0};if(g){a.each(g.competencies,function(a,b){if(b.id==d.id){d.required=b.required?!0:!1;d.points=b.points}})}f.children.push(d)});return c.render("tool_lp/competency_rule_points",f).then(function(a){d._container=b;b.html(a);b.find("input").change(function(){d._triggerChange()});d._templateLoaded=!0;d._triggerChange()})};e.prototype.isValid=function(){if(!this._templateLoaded){return!1}var b=this._getRequiredPoints(),c=0,d=!0;a.each(this._getCompetenciesConfig(),function(a,b){if(0>b.points){d=!1}c+=b.points});d=d&&c>=b;return d};return e});
-//# sourceMappingURL=competency_rule_points.min.js.map
+/**
+ * Competency rule points module.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competency_rule_points",["jquery","core/str","core/templates","tool_lp/competency_rule"],(function($,Str,Templates,RuleBase){var Rule=function(){RuleBase.apply(this,arguments)};return(Rule.prototype=Object.create(RuleBase.prototype))._container=null,Rule.prototype._templateLoaded=!1,Rule.prototype.getConfig=function(){return JSON.stringify({base:{points:this._getRequiredPoints()},competencies:this._getCompetenciesConfig()})},Rule.prototype._getCompetenciesConfig=function(){var competencies=[];return this._container.find("[data-competency]").each((function(){var node=$(this),id=node.data("competency"),points=parseInt(node.find('[name="points"]').val(),10),required=node.find('[name="required"]').prop("checked");competencies.push({id:id,points:points,required:required?1:0})})),competencies},Rule.prototype._getRequiredPoints=function(){return parseInt(this._container.find('[name="requiredpoints"]').val()||1,10)},Rule.prototype.getType=function(){return"core_competency\\competency_rule_points"},Rule.prototype.injectTemplate=function(container){var context,self=this,children=this._tree.getChildren(this._competency.id),config={base:{points:2},competencies:[]};if(this._templateLoaded=!1,self._competency.ruletype==self.getType())try{config=JSON.parse(self._competency.ruleconfig)}catch(e){}return context={requiredpoints:config&&config.base?config.base.points:2,competency:self._competency,children:[]},$.each(children,(function(index,child){var competency={id:child.id,shortname:child.shortname,required:!1,points:0};config&&$.each(config.competencies,(function(index,comp){comp.id==competency.id&&(competency.required=!!comp.required,competency.points=comp.points)})),context.children.push(competency)})),Templates.render("tool_lp/competency_rule_points",context).then((function(html){self._container=container,container.html(html),container.find("input").change((function(){self._triggerChange()})),self._templateLoaded=!0,self._triggerChange()}))},Rule.prototype.isValid=function(){if(!this._templateLoaded)return!1;var required=this._getRequiredPoints(),max=0,valid=!0;return $.each(this._getCompetenciesConfig(),(function(index,competency){competency.points<0&&(valid=!1),max+=competency.points})),valid=valid&&max>=required},Rule}));
+
+//# sourceMappingURL=competency_rule_points.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competency_rule_points.min.js.map b/admin/tool/lp/amd/build/competency_rule_points.min.js.map
index b75176e1f4c..df17f7f15ea 100644
--- a/admin/tool/lp/amd/build/competency_rule_points.min.js.map
+++ b/admin/tool/lp/amd/build/competency_rule_points.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule points module.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/str',\n        'core/templates',\n        'tool_lp/competency_rule',\n        ],\n        function($, Str, Templates, RuleBase) {\n\n    /**\n     * Competency rule points class.\n     */\n    var Rule = function() {\n        RuleBase.apply(this, arguments);\n    };\n    Rule.prototype = Object.create(RuleBase.prototype);\n\n    /** @type {Node} Reference to the container in which the template was included. */\n    Rule.prototype._container = null;\n    /** @type {Boolean} Whether or not the template was included. */\n    Rule.prototype._templateLoaded = false;\n\n    /**\n     * The config established by this rule.\n     *\n     * @return {String}\n     * @method getConfig\n     */\n    Rule.prototype.getConfig = function() {\n        return JSON.stringify({\n            base: {\n                points: this._getRequiredPoints(),\n            },\n            competencies: this._getCompetenciesConfig()\n        });\n    };\n\n    /**\n     * Gathers the input provided by the user for competencies.\n     *\n     * @return {Array} Containing id, points and required.\n     * @method _getCompetenciesConfig\n     * @protected\n     */\n    Rule.prototype._getCompetenciesConfig = function() {\n        var competencies = [];\n\n        this._container.find('[data-competency]').each(function() {\n            var node = $(this),\n                id = node.data('competency'),\n                points = parseInt(node.find('[name=\"points\"]').val(), 10),\n                required = node.find('[name=\"required\"]').prop('checked');\n\n            competencies.push({\n                id: id,\n                points: points,\n                required: required ? 1 : 0\n            });\n        });\n\n        return competencies;\n    };\n\n    /**\n     * Fetches the required points set by the user.\n     *\n     * @return {Number}\n     * @method _getRequiredPoints\n     * @protected\n     */\n    Rule.prototype._getRequiredPoints = function() {\n        return parseInt(this._container.find('[name=\"requiredpoints\"]').val() || 1, 10);\n    };\n\n    /**\n     * Return the type of the module.\n     *\n     * @return {String}\n     * @method getType\n     */\n    Rule.prototype.getType = function() {\n        return 'core_competency\\\\competency_rule_points';\n    };\n\n    /**\n     * Callback to inject the template.\n     *\n     * @param  {Node} container Node to inject in.\n     * @return {Promise} Resolved when done.\n     * @method injectTemplate\n     */\n    Rule.prototype.injectTemplate = function(container) {\n        var self = this,\n            children = this._tree.getChildren(this._competency.id),\n            context,\n            config = {\n                base: {points: 2},\n                competencies: []\n            };\n\n        this._templateLoaded = false;\n\n        // Only pre-load the configuration when the competency is using this rule.\n        if (self._competency.ruletype == self.getType()) {\n            try {\n                config = JSON.parse(self._competency.ruleconfig);\n            } catch (e) {\n                // eslint-disable-line no-empty\n            }\n        }\n\n        context = {\n            requiredpoints: (config && config.base) ? config.base.points : 2,\n            competency: self._competency,\n            children: []\n        };\n\n        $.each(children, function(index, child) {\n            var competency = {\n                id: child.id,\n                shortname: child.shortname,\n                required: false,\n                points: 0\n            };\n\n            if (config) {\n                $.each(config.competencies, function(index, comp) {\n                    if (comp.id == competency.id) {\n                        competency.required = comp.required ? true : false;\n                        competency.points = comp.points;\n                    }\n                });\n            }\n\n            context.children.push(competency);\n        });\n\n        return Templates.render('tool_lp/competency_rule_points', context).then(function(html) {\n            self._container = container;\n            container.html(html);\n            container.find('input').change(function() {\n                self._triggerChange();\n            });\n\n            // We're done, let's trigger a change.\n            self._templateLoaded = true;\n            self._triggerChange();\n            return;\n        });\n    };\n\n    /**\n     * Whether or not the current config is valid.\n     *\n     * @return {Boolean}\n     * @method isValid\n     */\n    Rule.prototype.isValid = function() {\n        if (!this._templateLoaded) {\n            return false;\n        }\n\n        var required = this._getRequiredPoints(),\n            max = 0,\n            valid = true;\n\n        $.each(this._getCompetenciesConfig(), function(index, competency) {\n            if (competency.points < 0) {\n                valid = false;\n            }\n            max += competency.points;\n        });\n\n        valid = valid && max >= required;\n        return valid;\n    };\n\n    return /** @alias module:tool_lp/competency_rule_all */ Rule;\n\n});\n"],"file":"competency_rule_points.min.js"}
\ No newline at end of file
+{"version":3,"file":"competency_rule_points.min.js","sources":["../src/competency_rule_points.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule points module.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/str',\n        'core/templates',\n        'tool_lp/competency_rule',\n        ],\n        function($, Str, Templates, RuleBase) {\n\n    /**\n     * Competency rule points class.\n     */\n    var Rule = function() {\n        RuleBase.apply(this, arguments);\n    };\n    Rule.prototype = Object.create(RuleBase.prototype);\n\n    /** @type {Node} Reference to the container in which the template was included. */\n    Rule.prototype._container = null;\n    /** @type {Boolean} Whether or not the template was included. */\n    Rule.prototype._templateLoaded = false;\n\n    /**\n     * The config established by this rule.\n     *\n     * @return {String}\n     * @method getConfig\n     */\n    Rule.prototype.getConfig = function() {\n        return JSON.stringify({\n            base: {\n                points: this._getRequiredPoints(),\n            },\n            competencies: this._getCompetenciesConfig()\n        });\n    };\n\n    /**\n     * Gathers the input provided by the user for competencies.\n     *\n     * @return {Array} Containing id, points and required.\n     * @method _getCompetenciesConfig\n     * @protected\n     */\n    Rule.prototype._getCompetenciesConfig = function() {\n        var competencies = [];\n\n        this._container.find('[data-competency]').each(function() {\n            var node = $(this),\n                id = node.data('competency'),\n                points = parseInt(node.find('[name=\"points\"]').val(), 10),\n                required = node.find('[name=\"required\"]').prop('checked');\n\n            competencies.push({\n                id: id,\n                points: points,\n                required: required ? 1 : 0\n            });\n        });\n\n        return competencies;\n    };\n\n    /**\n     * Fetches the required points set by the user.\n     *\n     * @return {Number}\n     * @method _getRequiredPoints\n     * @protected\n     */\n    Rule.prototype._getRequiredPoints = function() {\n        return parseInt(this._container.find('[name=\"requiredpoints\"]').val() || 1, 10);\n    };\n\n    /**\n     * Return the type of the module.\n     *\n     * @return {String}\n     * @method getType\n     */\n    Rule.prototype.getType = function() {\n        return 'core_competency\\\\competency_rule_points';\n    };\n\n    /**\n     * Callback to inject the template.\n     *\n     * @param  {Node} container Node to inject in.\n     * @return {Promise} Resolved when done.\n     * @method injectTemplate\n     */\n    Rule.prototype.injectTemplate = function(container) {\n        var self = this,\n            children = this._tree.getChildren(this._competency.id),\n            context,\n            config = {\n                base: {points: 2},\n                competencies: []\n            };\n\n        this._templateLoaded = false;\n\n        // Only pre-load the configuration when the competency is using this rule.\n        if (self._competency.ruletype == self.getType()) {\n            try {\n                config = JSON.parse(self._competency.ruleconfig);\n            } catch (e) {\n                // eslint-disable-line no-empty\n            }\n        }\n\n        context = {\n            requiredpoints: (config && config.base) ? config.base.points : 2,\n            competency: self._competency,\n            children: []\n        };\n\n        $.each(children, function(index, child) {\n            var competency = {\n                id: child.id,\n                shortname: child.shortname,\n                required: false,\n                points: 0\n            };\n\n            if (config) {\n                $.each(config.competencies, function(index, comp) {\n                    if (comp.id == competency.id) {\n                        competency.required = comp.required ? true : false;\n                        competency.points = comp.points;\n                    }\n                });\n            }\n\n            context.children.push(competency);\n        });\n\n        return Templates.render('tool_lp/competency_rule_points', context).then(function(html) {\n            self._container = container;\n            container.html(html);\n            container.find('input').change(function() {\n                self._triggerChange();\n            });\n\n            // We're done, let's trigger a change.\n            self._templateLoaded = true;\n            self._triggerChange();\n            return;\n        });\n    };\n\n    /**\n     * Whether or not the current config is valid.\n     *\n     * @return {Boolean}\n     * @method isValid\n     */\n    Rule.prototype.isValid = function() {\n        if (!this._templateLoaded) {\n            return false;\n        }\n\n        var required = this._getRequiredPoints(),\n            max = 0,\n            valid = true;\n\n        $.each(this._getCompetenciesConfig(), function(index, competency) {\n            if (competency.points < 0) {\n                valid = false;\n            }\n            max += competency.points;\n        });\n\n        valid = valid && max >= required;\n        return valid;\n    };\n\n    return /** @alias module:tool_lp/competency_rule_all */ Rule;\n\n});\n"],"names":["define","$","Str","Templates","RuleBase","Rule","apply","this","arguments","prototype","Object","create","_container","_templateLoaded","getConfig","JSON","stringify","base","points","_getRequiredPoints","competencies","_getCompetenciesConfig","find","each","node","id","data","parseInt","val","required","prop","push","getType","injectTemplate","container","context","self","children","_tree","getChildren","_competency","config","ruletype","parse","ruleconfig","e","requiredpoints","competency","index","child","shortname","comp","render","then","html","change","_triggerChange","isValid","max","valid"],"mappings":";;;;;;;AAuBAA,wCAAO,CAAC,SACA,WACA,iBACA,4BAEA,SAASC,EAAGC,IAAKC,UAAWC,cAK5BC,KAAO,WACPD,SAASE,MAAMC,KAAMC,mBAEzBH,KAAKI,UAAYC,OAAOC,OAAOP,SAASK,YAGzBG,WAAa,KAE5BP,KAAKI,UAAUI,iBAAkB,EAQjCR,KAAKI,UAAUK,UAAY,kBAChBC,KAAKC,UAAU,CAClBC,KAAM,CACFC,OAAQX,KAAKY,sBAEjBC,aAAcb,KAAKc,4BAW3BhB,KAAKI,UAAUY,uBAAyB,eAChCD,aAAe,eAEdR,WAAWU,KAAK,qBAAqBC,MAAK,eACvCC,KAAOvB,EAAEM,MACTkB,GAAKD,KAAKE,KAAK,cACfR,OAASS,SAASH,KAAKF,KAAK,mBAAmBM,MAAO,IACtDC,SAAWL,KAAKF,KAAK,qBAAqBQ,KAAK,WAEnDV,aAAaW,KAAK,CACdN,GAAIA,GACJP,OAAQA,OACRW,SAAUA,SAAW,EAAI,OAI1BT,cAUXf,KAAKI,UAAUU,mBAAqB,kBACzBQ,SAASpB,KAAKK,WAAWU,KAAK,2BAA2BM,OAAS,EAAG,KAShFvB,KAAKI,UAAUuB,QAAU,iBACd,2CAUX3B,KAAKI,UAAUwB,eAAiB,SAASC,eAGjCC,QAFAC,KAAO7B,KACP8B,SAAW9B,KAAK+B,MAAMC,YAAYhC,KAAKiC,YAAYf,IAEnDgB,OAAS,CACLxB,KAAM,CAACC,OAAQ,GACfE,aAAc,YAGjBP,iBAAkB,EAGnBuB,KAAKI,YAAYE,UAAYN,KAAKJ,cAE9BS,OAAS1B,KAAK4B,MAAMP,KAAKI,YAAYI,YACvC,MAAOC,WAKbV,QAAU,CACNW,eAAiBL,QAAUA,OAAOxB,KAAQwB,OAAOxB,KAAKC,OAAS,EAC/D6B,WAAYX,KAAKI,YACjBH,SAAU,IAGdpC,EAAEsB,KAAKc,UAAU,SAASW,MAAOC,WACzBF,WAAa,CACbtB,GAAIwB,MAAMxB,GACVyB,UAAWD,MAAMC,UACjBrB,UAAU,EACVX,OAAQ,GAGRuB,QACAxC,EAAEsB,KAAKkB,OAAOrB,cAAc,SAAS4B,MAAOG,MACpCA,KAAK1B,IAAMsB,WAAWtB,KACtBsB,WAAWlB,WAAWsB,KAAKtB,SAC3BkB,WAAW7B,OAASiC,KAAKjC,WAKrCiB,QAAQE,SAASN,KAAKgB,eAGnB5C,UAAUiD,OAAO,iCAAkCjB,SAASkB,MAAK,SAASC,MAC7ElB,KAAKxB,WAAasB,UAClBA,UAAUoB,KAAKA,MACfpB,UAAUZ,KAAK,SAASiC,QAAO,WAC3BnB,KAAKoB,oBAITpB,KAAKvB,iBAAkB,EACvBuB,KAAKoB,qBAWbnD,KAAKI,UAAUgD,QAAU,eAChBlD,KAAKM,uBACC,MAGPgB,SAAWtB,KAAKY,qBAChBuC,IAAM,EACNC,OAAQ,SAEZ1D,EAAEsB,KAAKhB,KAAKc,0BAA0B,SAAS2B,MAAOD,YAC9CA,WAAW7B,OAAS,IACpByC,OAAQ,GAEZD,KAAOX,WAAW7B,UAGtByC,MAAQA,OAASD,KAAO7B,UAI4BxB"}
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diff --git a/admin/tool/lp/amd/build/competencyactions.min.js b/admin/tool/lp/amd/build/competencyactions.min.js
index 838c6249d6a..33bc5f591e4 100644
--- a/admin/tool/lp/amd/build/competencyactions.min.js
+++ b/admin/tool/lp/amd/build/competencyactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/competencyactions",["jquery","core/url","core/templates","core/notification","core/str","core/ajax","tool_lp/dragdrop-reorder","tool_lp/tree","tool_lp/dialogue","tool_lp/menubar","tool_lp/competencypicker","tool_lp/competency_outcomes","tool_lp/competencyruleconfig","core/pending"],function(a,b,c,d,e,f,g,h,i,j,k,l,m,n){var o=null,p=null,q=null,r,s,t,u,v,w,x=null,y=function(){var c=a("[data-region=\"competencyactions\"]").data("competency"),f={competencyframeworkid:o.getCompetencyFrameworkId(),pagecontextid:r};if(null!==c){f.parentid=c.id}var g=function(){var c=a.param(f);window.location=b.relativeUrl("/admin/tool/lp/editcompetency.php?"+c)};if(null!==c&&o.hasRule(c.id)){e.get_strings([{key:"confirm",component:"moodle"},{key:"addingcompetencywillresetparentrule",component:"tool_lp",param:c.shortname},{key:"yes",component:"core"},{key:"no",component:"core"}]).done(function(a){d.confirm(a[0],a[1],a[2],a[3],g)}).fail(d.exception)}else{g()}},z=function(){var b=a("[data-region=\"filtercompetencies\"]").data("frameworkid"),c=f.call([{methodname:"core_competency_set_parent_competency",args:{competencyid:p,parentid:q}},{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:b,search:a("[data-region=\"filtercompetencies\"] input").val()}}]);c[1].done(F).fail(d.exception)},A=function(){q="undefined"==typeof q?0:q;if(q==p){return}var a=o.getCompetency(q)||{},b=o.getCompetency(p)||{},c="movecompetencywillresetrules",f=!1;if(b.parentid==q){return}if(a.path&&0<=a.path.indexOf("/"+b.id+"/")){c="movecompetencytochildofselfwillresetrules";f=f||o.hasRule(b.id)}f=f||o.hasRule(a.id)||o.hasRule(b.parentid);if(f){e.get_strings([{key:"confirm",component:"moodle"},{key:c,component:"tool_lp"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).done(function(a){d.confirm(a[0],a[1],a[2],a[3],z)}).fail(d.exception)}else{z()}},B=function(b){var c=a(b.getContent()),d=c.find("[data-enhance=movetree]"),e=new h(d,!1);e.on("selectionchanged",function(b,c){var d=c.selected;q=a(d).data("id")});d.show();c.on("click","[data-action=\"move\"]",function(){b.close();A()});c.on("click","[data-action=\"cancel\"]",function(){b.close()})},C=function(a,b){var c;for(c=0;c<b.length;c++){if(b[c].parentid==a.id){a.haschildren=!0;b[c].children=[];b[c].haschildren=!1;a.children[a.children.length]=b[c];C(b[c],b)}}},D=function(b){b.preventDefault();var g=a("[data-region=\"competencyactions\"]").data("competency");p=g.id;var h=f.call([{methodname:"core_competency_search_competencies",args:{competencyframeworkid:g.competencyframeworkid,searchtext:""}},{methodname:"core_competency_read_competency_framework",args:{id:g.competencyframeworkid}}]);a.when.apply(null,h).done(function(a,b){var f,h=[];for(f=0;f<a.length;f++){var j=a[f];if("0"==j.parentid){j.children=[];j.haschildren=0;h[h.length]=j;C(j,a)}}e.get_strings([{key:"movecompetency",component:"tool_lp",param:g.shortname},{key:"move",component:"tool_lp"},{key:"cancel",component:"moodle"}]).done(function(a){c.render("tool_lp/competencies_move_tree",{framework:b,competencies:h}).done(function(b){new i(a[0],b,B)}).fail(d.exception)}).fail(d.exception)}).fail(d.exception)},E=function(){var c=a("[data-region=\"competencyactions\"]").data("competency"),d={competencyframeworkid:o.getCompetencyFrameworkId(),id:c.id,parentid:c.parentid,pagecontextid:r},e=a.param(d);window.location=b.relativeUrl("/admin/tool/lp/editcompetency.php?"+e)},F=function(b){c.render("tool_lp/manage_competencies_page",b).done(function(b,d){a("[data-region=\"managecompetencies\"]").replaceWith(b);c.runTemplateJS(d)}).fail(d.exception)},G=function(b){b.preventDefault();var c=a("[data-region=\"filtercompetencies\"]").data("frameworkid"),e=f.call([{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:c,search:a("[data-region=\"filtercompetencies\"] input").val()}}]);e[0].done(F).fail(d.exception)},H=function(){var b=a("[data-region=\"competencyactions\"]").data("competency"),c=f.call([{methodname:"core_competency_move_up_competency",args:{id:b.id}},{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:b.competencyframeworkid,search:a("[data-region=\"filtercompetencies\"] input").val()}}]);c[1].done(F).fail(d.exception)},I=function(){var b=a("[data-region=\"competencyactions\"]").data("competency"),c=f.call([{methodname:"core_competency_move_down_competency",args:{id:b.id}},{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:b.competencyframeworkid,search:a("[data-region=\"filtercompetencies\"] input").val()}}]);c[1].done(F).fail(d.exception)},J=function(){var b=a("[data-region=\"competencyactions\"]").data("competency"),g=f.call([{methodname:"tool_lp_list_courses_using_competency",args:{id:b.id}}]);g[0].done(function(a){c.render("tool_lp/linked_courses_summary",{courses:a}).done(function(a){e.get_string("linkedcourses","tool_lp").done(function(b){new i(b,a,B)}).fail(d.exception)}).fail(d.exception)}).fail(d.exception)},K=function(){u=a("[data-region=\"competencyactions\"]").data("competency");if(!s){s=new k(r,u.competencyframeworkid);s.on("save",function(b,e){var g=new n,h=e.competencyIds,i=[];a.each(h,function(a,b){i.push({methodname:"core_competency_add_related_competency",args:{competencyid:b,relatedcompetencyid:u.id}})});i.push({methodname:"tool_lp_data_for_related_competencies_section",args:{competencyid:u.id}});var j=f.call(i);j[i.length-1].then(function(a){return c.render("tool_lp/related_competencies",a)}).then(function(b,d){a("[data-region=\"relatedcompetencies\"]").replaceWith(b);c.runTemplateJS(d);V()}).then(g.resolve).catch(d.exception)})}s.setDisallowedCompetencyIDs([u.id]);s.display()},L=function(b){b.preventDefault();u=a("[data-region=\"competencyactions\"]").data("competency");t.setTargetCompetencyId(u.id);t.display()},M=function(a,b){var c={id:u.id,shortname:u.shortname,idnumber:u.idnumber,description:u.description,descriptionformat:u.descriptionformat,ruletype:b.ruletype,ruleoutcome:b.ruleoutcome,ruleconfig:b.ruleconfig},e=f.call([{methodname:"core_competency_update_competency",args:{competency:c}}]);e[0].then(function(a){if(a){u.ruletype=b.ruletype;u.ruleoutcome=b.ruleoutcome;u.ruleconfig=b.ruleconfig;Y(u)}}).catch(d.exception)},N=function(){var b=a("[data-region=\"competencyactions\"]").data("competency"),c=f.call([{methodname:"core_competency_delete_competency",args:{id:b.id}},{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:b.competencyframeworkid,search:a("[data-region=\"filtercompetencies\"] input").val()}}]);c[0].done(function(a){if(!1===a){e.get_strings([{key:"competencycannotbedeleted",component:"tool_lp",param:b.shortname},{key:"cancel",component:"moodle"}]).done(function(a){d.alert(null,a[0])}).fail(d.exception)}}).fail(d.exception);c[1].done(F).fail(d.exception)},O=function(){var b=a("[data-region=\"competencyactions\"]").data("competency"),c="deletecompetency";if(o.hasRule(b.parentid)){c="deletecompetencyparenthasrule"}e.get_strings([{key:"confirm",component:"moodle"},{key:c,component:"tool_lp",param:b.shortname},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(a){d.confirm(a[0],a[1],a[2],a[3],N)}).fail(d.exception)},P=function(b){b.originalEvent.dataTransfer.setData("text",a(b.target).parent().data("id"))},Q=function(a){a.originalEvent.dataTransfer.dropEffect="move";a.preventDefault()},R=function(b){b.preventDefault();a(this).addClass("currentdragtarget")},S=function(b){b.preventDefault();a(this).removeClass("currentdragtarget")},T=function(b){b.preventDefault();p=b.originalEvent.dataTransfer.getData("text");q=a(b.target).parent().data("id");a(this).removeClass("currentdragtarget");A()},U=function(b){b.preventDefault();var e=this.id.substr(11),g=a("[data-region=\"competencyactions\"]").data("competency"),h=f.call([{methodname:"core_competency_remove_related_competency",args:{relatedcompetencyid:e,competencyid:g.id}},{methodname:"tool_lp_data_for_related_competencies_section",args:{competencyid:g.id}}]);h[1].done(function(b){c.render("tool_lp/related_competencies",b).done(function(b){a("[data-region=\"relatedcompetencies\"]").replaceWith(b);V()}).fail(d.exception)}).fail(d.exception)},V=function(){a("[data-action=\"deleterelation\"]").on("click",U)},W=function(a){if(a.id!==x){x=a.id;f.call([{methodname:"core_competency_competency_viewed",args:{id:a.id}}])}},X=function(a){var b=v[a];if(!b){b="competency"}return b},Y=function(e){var g=a.Deferred().resolve().promise(),h={};h.competency=e;h.showdeleterelatedaction=!0;h.showrelatedcompetencies=!0;h.showrule=!1;h.pluginbaseurl=b.relativeUrl("/admin/tool/lp");if(e.ruleoutcome!=l.NONE){g=l.getString(e.ruleoutcome).then(function(b){var c;a.each(w,function(a,b){if(b.type==e.ruletype){c=b.name}});return[b,c]})}g.then(function(a){if("undefined"!=typeof a){h.showrule=!0;h.rule={outcome:a[0],type:a[1]}}return h}).then(function(a){return c.render("tool_lp/competency_summary",a)}).then(function(b){a("[data-region=\"competencyinfo\"]").html(b);a("[data-action=\"deleterelation\"]").on("click",U);return c.render("tool_lp/loading",{})}).then(function(a,b){c.replaceNodeContents("[data-region=\"relatedcompetencies\"]",a,b);return f.call([{methodname:"tool_lp_data_for_related_competencies_section",args:{competencyid:e.id}}])[0]}).then(function(a){return c.render("tool_lp/related_competencies",a)}).then(function(b,d){a("[data-region=\"relatedcompetencies\"]").replaceWith(b);c.runTemplateJS(d);V()}).catch(d.exception)},Z=function(a){return e.get_string("taxonomy_add_"+X(a),"tool_lp")},$=function(a){return e.get_string("taxonomy_selected_"+X(a),"tool_lp")},_=function(b,c){var e=c.selected,f=a(e).data("id"),g=a("[data-region=\"competencyactions\"] [data-action=\"add\"]"),h=a("[data-region=\"competencyactionsmenu\"]"),i=a("[data-region=\"selected-competency\"]"),k=0,l=1;j.closeAll();if("undefined"==typeof f){a("[data-region=\"competencyinfo\"]").html(e.clone().children().remove().end().text());a("[data-region=\"competencyactions\"]").data("competency",null);h.hide()}else{var m=o.getCompetency(f);k=o.getCompetencyLevel(f);l=k+1;h.show();a("[data-region=\"competencyactions\"]").data("competency",m);Y(m);W(m)}$(k).then(function(a){i.text(a)}).catch(d.exception);Z(l).then(function(a){g.show().find("[data-region=\"term\"]").text(a)}).catch(d.exception);b.preventDefault();return!1},aa=function(a){var b=a.split(",");b.unshift("");delete b[0];return b};return{init:function init(b,c,d,e){o=b;r=c;v=aa(d);w=e;a("[data-region=\"competencyactions\"] [data-action=\"add\"]").on("click",y);j.enhance(".competencyactionsmenu",{'[data-action="edit"]':E,'[data-action="delete"]':O,'[data-action="move"]':D,'[data-action="moveup"]':H,'[data-action="movedown"]':I,'[data-action="linkedcourses"]':J,'[data-action="relatedcompetencies"]':K.bind(this),'[data-action="competencyrules"]':L.bind(this)});a("[data-region=\"competencyactionsmenu\"]").hide();a("[data-region=\"competencyactions\"] [data-action=\"add\"]").hide();a("[data-region=\"filtercompetencies\"]").on("submit",G);var f=a("[data-region=\"managecompetencies\"] [data-enhance=\"tree\"]");f.on("dragstart","li>span",P).on("dragover","li>span",Q).on("dragenter","li>span",R).on("dragleave","li>span",S).on("drop","li>span",T);b.on("selectionchanged",_);t=new m(o,w);t.on("save",M.bind(this))}}});
-//# sourceMappingURL=competencyactions.min.js.map
+/**
+ * Handle selection changes and actions on the competency tree.
+ *
+ * @module     tool_lp/competencyactions
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competencyactions",["jquery","core/url","core/templates","core/notification","core/str","core/ajax","tool_lp/dragdrop-reorder","tool_lp/tree","tool_lp/dialogue","tool_lp/menubar","tool_lp/competencypicker","tool_lp/competency_outcomes","tool_lp/competencyruleconfig","core/pending"],(function($,url,templates,notification,str,ajax,dragdrop,Ariatree,Dialogue,menubar,Picker,Outcomes,RuleConfig,Pending){var pageContextId,pickerInstance,ruleConfigInstance,relatedTarget,taxonomiesConstants,rulesModules,treeModel=null,moveSource=null,moveTarget=null,selectedCompetencyId=null,addHandler=function(){var parent=$('[data-region="competencyactions"]').data("competency"),params={competencyframeworkid:treeModel.getCompetencyFrameworkId(),pagecontextid:pageContextId};null!==parent&&(params.parentid=parent.id);var relocate=function(){var queryparams=$.param(params);window.location=url.relativeUrl("/admin/tool/lp/editcompetency.php?"+queryparams)};null!==parent&&treeModel.hasRule(parent.id)?str.get_strings([{key:"confirm",component:"moodle"},{key:"addingcompetencywillresetparentrule",component:"tool_lp",param:parent.shortname},{key:"yes",component:"core"},{key:"no",component:"core"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],relocate)})).fail(notification.exception):relocate()},doMove=function(){var frameworkid=$('[data-region="filtercompetencies"]').data("frameworkid");ajax.call([{methodname:"core_competency_set_parent_competency",args:{competencyid:moveSource,parentid:moveTarget}},{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:frameworkid,search:$('[data-region="filtercompetencies"] input').val()}}])[1].done(reloadPage).fail(notification.exception)},confirmMove=function(){if((moveTarget=void 0===moveTarget?0:moveTarget)!=moveSource){var targetComp=treeModel.getCompetency(moveTarget)||{},sourceComp=treeModel.getCompetency(moveSource)||{},confirmMessage="movecompetencywillresetrules",showConfirm=!1;sourceComp.parentid!=moveTarget&&(targetComp.path&&targetComp.path.indexOf("/"+sourceComp.id+"/")>=0&&(confirmMessage="movecompetencytochildofselfwillresetrules",showConfirm=showConfirm||treeModel.hasRule(sourceComp.id)),(showConfirm=showConfirm||treeModel.hasRule(targetComp.id)||treeModel.hasRule(sourceComp.parentid))?str.get_strings([{key:"confirm",component:"moodle"},{key:confirmMessage,component:"tool_lp"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],doMove)})).fail(notification.exception):doMove())}},initMovePopup=function(popup){var body=$(popup.getContent()),treeRoot=body.find("[data-enhance=movetree]");new Ariatree(treeRoot,!1).on("selectionchanged",(function(evt,params){var target=params.selected;moveTarget=$(target).data("id")})),treeRoot.show(),body.on("click",'[data-action="move"]',(function(){popup.close(),confirmMove()})),body.on("click",'[data-action="cancel"]',(function(){popup.close()}))},addCompetencyChildren=function addCompetencyChildren(parent,competencies){var i;for(i=0;i<competencies.length;i++)competencies[i].parentid==parent.id&&(parent.haschildren=!0,competencies[i].children=[],competencies[i].haschildren=!1,parent.children[parent.children.length]=competencies[i],addCompetencyChildren(competencies[i],competencies))},moveHandler=function(e){e.preventDefault();var competency=$('[data-region="competencyactions"]').data("competency");moveSource=competency.id;var requests=ajax.call([{methodname:"core_competency_search_competencies",args:{competencyframeworkid:competency.competencyframeworkid,searchtext:""}},{methodname:"core_competency_read_competency_framework",args:{id:competency.competencyframeworkid}}]);$.when.apply(null,requests).done((function(competencies,framework){var i,competenciestree=[];for(i=0;i<competencies.length;i++){var onecompetency=competencies[i];"0"==onecompetency.parentid&&(onecompetency.children=[],onecompetency.haschildren=0,competenciestree[competenciestree.length]=onecompetency,addCompetencyChildren(onecompetency,competencies))}str.get_strings([{key:"movecompetency",component:"tool_lp",param:competency.shortname},{key:"move",component:"tool_lp"},{key:"cancel",component:"moodle"}]).done((function(strings){var context={framework:framework,competencies:competenciestree};templates.render("tool_lp/competencies_move_tree",context).done((function(tree){new Dialogue(strings[0],tree,initMovePopup)})).fail(notification.exception)})).fail(notification.exception)})).fail(notification.exception)},editHandler=function(){var competency=$('[data-region="competencyactions"]').data("competency"),params={competencyframeworkid:treeModel.getCompetencyFrameworkId(),id:competency.id,parentid:competency.parentid,pagecontextid:pageContextId},queryparams=$.param(params);window.location=url.relativeUrl("/admin/tool/lp/editcompetency.php?"+queryparams)},reloadPage=function(context){templates.render("tool_lp/manage_competencies_page",context).done((function(newhtml,newjs){$('[data-region="managecompetencies"]').replaceWith(newhtml),templates.runTemplateJS(newjs)})).fail(notification.exception)},updateSearchHandler=function(e){e.preventDefault();var frameworkid=$('[data-region="filtercompetencies"]').data("frameworkid");ajax.call([{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:frameworkid,search:$('[data-region="filtercompetencies"] input').val()}}])[0].done(reloadPage).fail(notification.exception)},moveUpHandler=function(){var competency=$('[data-region="competencyactions"]').data("competency");ajax.call([{methodname:"core_competency_move_up_competency",args:{id:competency.id}},{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:competency.competencyframeworkid,search:$('[data-region="filtercompetencies"] input').val()}}])[1].done(reloadPage).fail(notification.exception)},moveDownHandler=function(){var competency=$('[data-region="competencyactions"]').data("competency");ajax.call([{methodname:"core_competency_move_down_competency",args:{id:competency.id}},{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:competency.competencyframeworkid,search:$('[data-region="filtercompetencies"] input').val()}}])[1].done(reloadPage).fail(notification.exception)},seeCoursesHandler=function(){var competency=$('[data-region="competencyactions"]').data("competency");ajax.call([{methodname:"tool_lp_list_courses_using_competency",args:{id:competency.id}}])[0].done((function(courses){var context={courses:courses};templates.render("tool_lp/linked_courses_summary",context).done((function(html){str.get_string("linkedcourses","tool_lp").done((function(linkedcourses){new Dialogue(linkedcourses,html,initMovePopup)})).fail(notification.exception)})).fail(notification.exception)})).fail(notification.exception)},relateCompetenciesHandler=function(){relatedTarget=$('[data-region="competencyactions"]').data("competency"),pickerInstance||(pickerInstance=new Picker(pageContextId,relatedTarget.competencyframeworkid)).on("save",(function(e,data){var pendingPromise=new Pending,compIds=data.competencyIds,calls=[];$.each(compIds,(function(index,value){calls.push({methodname:"core_competency_add_related_competency",args:{competencyid:value,relatedcompetencyid:relatedTarget.id}})})),calls.push({methodname:"tool_lp_data_for_related_competencies_section",args:{competencyid:relatedTarget.id}}),ajax.call(calls)[calls.length-1].then((function(context){return templates.render("tool_lp/related_competencies",context)})).then((function(html,js){$('[data-region="relatedcompetencies"]').replaceWith(html),templates.runTemplateJS(js),updatedRelatedCompetencies()})).then(pendingPromise.resolve).catch(notification.exception)})),pickerInstance.setDisallowedCompetencyIDs([relatedTarget.id]),pickerInstance.display()},ruleConfigHandler=function(e){e.preventDefault(),relatedTarget=$('[data-region="competencyactions"]').data("competency"),ruleConfigInstance.setTargetCompetencyId(relatedTarget.id),ruleConfigInstance.display()},ruleConfigSaveHandler=function(e,config){var update={id:relatedTarget.id,shortname:relatedTarget.shortname,idnumber:relatedTarget.idnumber,description:relatedTarget.description,descriptionformat:relatedTarget.descriptionformat,ruletype:config.ruletype,ruleoutcome:config.ruleoutcome,ruleconfig:config.ruleconfig};ajax.call([{methodname:"core_competency_update_competency",args:{competency:update}}])[0].then((function(result){result&&(relatedTarget.ruletype=config.ruletype,relatedTarget.ruleoutcome=config.ruleoutcome,relatedTarget.ruleconfig=config.ruleconfig,renderCompetencySummary(relatedTarget))})).catch(notification.exception)},doDelete=function(){var competency=$('[data-region="competencyactions"]').data("competency"),requests=ajax.call([{methodname:"core_competency_delete_competency",args:{id:competency.id}},{methodname:"tool_lp_data_for_competencies_manage_page",args:{competencyframeworkid:competency.competencyframeworkid,search:$('[data-region="filtercompetencies"] input').val()}}]);requests[0].done((function(success){!1===success&&str.get_strings([{key:"competencycannotbedeleted",component:"tool_lp",param:competency.shortname},{key:"cancel",component:"moodle"}]).done((function(strings){notification.alert(null,strings[0])})).fail(notification.exception)})).fail(notification.exception),requests[1].done(reloadPage).fail(notification.exception)},deleteCompetencyHandler=function(){var competency=$('[data-region="competencyactions"]').data("competency"),confirmMessage="deletecompetency";treeModel.hasRule(competency.parentid)&&(confirmMessage="deletecompetencyparenthasrule"),str.get_strings([{key:"confirm",component:"moodle"},{key:confirmMessage,component:"tool_lp",param:competency.shortname},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],doDelete)})).fail(notification.exception)},dragStart=function(e){e.originalEvent.dataTransfer.setData("text",$(e.target).parent().data("id"))},allowDrop=function(e){e.originalEvent.dataTransfer.dropEffect="move",e.preventDefault()},dragEnter=function(e){e.preventDefault(),$(this).addClass("currentdragtarget")},dragLeave=function(e){e.preventDefault(),$(this).removeClass("currentdragtarget")},dropOver=function(e){e.preventDefault(),moveSource=e.originalEvent.dataTransfer.getData("text"),moveTarget=$(e.target).parent().data("id"),$(this).removeClass("currentdragtarget"),confirmMove()},deleteRelatedHandler=function(e){e.preventDefault();var relatedid=this.id.substr(11),competency=$('[data-region="competencyactions"]').data("competency");ajax.call([{methodname:"core_competency_remove_related_competency",args:{relatedcompetencyid:relatedid,competencyid:competency.id}},{methodname:"tool_lp_data_for_related_competencies_section",args:{competencyid:competency.id}}])[1].done((function(context){templates.render("tool_lp/related_competencies",context).done((function(html){$('[data-region="relatedcompetencies"]').replaceWith(html),updatedRelatedCompetencies()})).fail(notification.exception)})).fail(notification.exception)},updatedRelatedCompetencies=function(){$('[data-action="deleterelation"]').on("click",deleteRelatedHandler)},getTaxonomyAtLevel=function(level){var constant=taxonomiesConstants[level];return constant||(constant="competency"),constant},renderCompetencySummary=function(competency){var promise=$.Deferred().resolve().promise(),context={};context.competency=competency,context.showdeleterelatedaction=!0,context.showrelatedcompetencies=!0,context.showrule=!1,context.pluginbaseurl=url.relativeUrl("/admin/tool/lp"),competency.ruleoutcome!=Outcomes.NONE&&(promise=Outcomes.getString(competency.ruleoutcome).then((function(str){var name;return $.each(rulesModules,(function(index,modInfo){modInfo.type==competency.ruletype&&(name=modInfo.name)})),[str,name]}))),promise.then((function(strs){return void 0!==strs&&(context.showrule=!0,context.rule={outcome:strs[0],type:strs[1]}),context})).then((function(context){return templates.render("tool_lp/competency_summary",context)})).then((function(html){return $('[data-region="competencyinfo"]').html(html),$('[data-action="deleterelation"]').on("click",deleteRelatedHandler),templates.render("tool_lp/loading",{})})).then((function(html,js){return templates.replaceNodeContents('[data-region="relatedcompetencies"]',html,js),ajax.call([{methodname:"tool_lp_data_for_related_competencies_section",args:{competencyid:competency.id}}])[0]})).then((function(context){return templates.render("tool_lp/related_competencies",context)})).then((function(html,js){$('[data-region="relatedcompetencies"]').replaceWith(html),templates.runTemplateJS(js),updatedRelatedCompetencies()})).catch(notification.exception)},selectionChanged=function(evt,params){var node=params.selected,id=$(node).data("id"),btn=$('[data-region="competencyactions"] [data-action="add"]'),actionMenu=$('[data-region="competencyactionsmenu"]'),selectedTitle=$('[data-region="selected-competency"]'),level=0,sublevel=1;if(menubar.closeAll(),void 0===id)$('[data-region="competencyinfo"]').html(node.clone().children().remove().end().text()),$('[data-region="competencyactions"]').data("competency",null),actionMenu.hide();else{var competency=treeModel.getCompetency(id);sublevel=(level=treeModel.getCompetencyLevel(id))+1,actionMenu.show(),$('[data-region="competencyactions"]').data("competency",competency),renderCompetencySummary(competency),function(competency){competency.id!==selectedCompetencyId&&(selectedCompetencyId=competency.id,ajax.call([{methodname:"core_competency_competency_viewed",args:{id:competency.id}}]))}(competency)}return function(level){return str.get_string("taxonomy_selected_"+getTaxonomyAtLevel(level),"tool_lp")}(level).then((function(str){selectedTitle.text(str)})).catch(notification.exception),function(level){return str.get_string("taxonomy_add_"+getTaxonomyAtLevel(level),"tool_lp")}(sublevel).then((function(str){btn.show().find('[data-region="term"]').text(str)})).catch(notification.exception),evt.preventDefault(),!1};return{init:function(model,pagectxid,taxonomies,rulesMods){var all;treeModel=model,pageContextId=pagectxid,(all=taxonomies.split(",")).unshift(""),delete all[0],taxonomiesConstants=all,rulesModules=rulesMods,$('[data-region="competencyactions"] [data-action="add"]').on("click",addHandler),menubar.enhance(".competencyactionsmenu",{'[data-action="edit"]':editHandler,'[data-action="delete"]':deleteCompetencyHandler,'[data-action="move"]':moveHandler,'[data-action="moveup"]':moveUpHandler,'[data-action="movedown"]':moveDownHandler,'[data-action="linkedcourses"]':seeCoursesHandler,'[data-action="relatedcompetencies"]':relateCompetenciesHandler.bind(this),'[data-action="competencyrules"]':ruleConfigHandler.bind(this)}),$('[data-region="competencyactionsmenu"]').hide(),$('[data-region="competencyactions"] [data-action="add"]').hide(),$('[data-region="filtercompetencies"]').on("submit",updateSearchHandler),$('[data-region="managecompetencies"] [data-enhance="tree"]').on("dragstart","li>span",dragStart).on("dragover","li>span",allowDrop).on("dragenter","li>span",dragEnter).on("dragleave","li>span",dragLeave).on("drop","li>span",dropOver),model.on("selectionchanged",selectionChanged),(ruleConfigInstance=new RuleConfig(treeModel,rulesModules)).on("save",ruleConfigSaveHandler.bind(this))}}}));
+
+//# sourceMappingURL=competencyactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencyactions.min.js.map b/admin/tool/lp/amd/build/competencyactions.min.js.map
index 3bdbdc7773f..4da2e90bc7c 100644
--- a/admin/tool/lp/amd/build/competencyactions.min.js.map
+++ b/admin/tool/lp/amd/build/competencyactions.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle selection changes and actions on the competency tree.\n *\n * @module     tool_lp/competencyactions\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/url',\n        'core/templates',\n        'core/notification',\n        'core/str',\n        'core/ajax',\n        'tool_lp/dragdrop-reorder',\n        'tool_lp/tree',\n        'tool_lp/dialogue',\n        'tool_lp/menubar',\n        'tool_lp/competencypicker',\n        'tool_lp/competency_outcomes',\n        'tool_lp/competencyruleconfig',\n        'core/pending',\n        ],\n       function(\n            $, url, templates, notification, str, ajax, dragdrop, Ariatree, Dialogue, menubar, Picker, Outcomes, RuleConfig, Pending\n        ) {\n\n    // Private variables and functions.\n    /** @var {Object} treeModel - This is an object representing the nodes in the tree. */\n    var treeModel = null;\n    /** @var {Node} moveSource - The start of a drag operation */\n    var moveSource = null;\n    /** @var {Node} moveTarget - The end of a drag operation */\n    var moveTarget = null;\n    /** @var {Number} pageContextId The page context ID. */\n    var pageContextId;\n    /** @type {Object} Picker instance. */\n    var pickerInstance;\n    /** @type {Object} Rule config instance. */\n    var ruleConfigInstance;\n    /** @type {Object} The competency we're picking a relation to. */\n    var relatedTarget;\n    /** @type {Object} Taxonomy constants indexed per level. */\n    var taxonomiesConstants;\n    /** @type {Array} The rules modules. Values are object containing type, namd and amd. */\n    var rulesModules;\n    /** @type {Number} the selected competency ID. */\n    var selectedCompetencyId = null;\n\n    /**\n     * Respond to choosing the \"Add\" menu item for the selected node in the tree.\n     * @method addHandler\n     */\n    var addHandler = function() {\n        var parent = $('[data-region=\"competencyactions\"]').data('competency');\n\n        var params = {\n            competencyframeworkid: treeModel.getCompetencyFrameworkId(),\n            pagecontextid: pageContextId\n        };\n\n        if (parent !== null) {\n            // We are adding at a sub node.\n            params.parentid = parent.id;\n        }\n\n        var relocate = function() {\n            var queryparams = $.param(params);\n            window.location = url.relativeUrl('/admin/tool/lp/editcompetency.php?' + queryparams);\n        };\n\n        if (parent !== null && treeModel.hasRule(parent.id)) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'addingcompetencywillresetparentrule', component: 'tool_lp', param: parent.shortname},\n                {key: 'yes', component: 'core'},\n                {key: 'no', component: 'core'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0],\n                    strings[1],\n                    strings[2],\n                    strings[3],\n                    relocate\n                );\n            }).fail(notification.exception);\n        } else {\n            relocate();\n        }\n    };\n\n    /**\n     * A source and destination has been chosen - so time to complete a move.\n     * @method doMove\n     */\n    var doMove = function() {\n        var frameworkid = $('[data-region=\"filtercompetencies\"]').data('frameworkid');\n        var requests = ajax.call([{\n            methodname: 'core_competency_set_parent_competency',\n            args: {competencyid: moveSource, parentid: moveTarget}\n        }, {\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: frameworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[1].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Confirms a competency move.\n     *\n     * @method confirmMove\n     */\n    var confirmMove = function() {\n        moveTarget = typeof moveTarget === \"undefined\" ? 0 : moveTarget;\n        if (moveTarget == moveSource) {\n            // No move to do.\n            return;\n        }\n\n        var targetComp = treeModel.getCompetency(moveTarget) || {},\n            sourceComp = treeModel.getCompetency(moveSource) || {},\n            confirmMessage = 'movecompetencywillresetrules',\n            showConfirm = false;\n\n        // We shouldn't be moving the competency to the same parent.\n        if (sourceComp.parentid == moveTarget) {\n            return;\n        }\n\n        // If we are moving to a child of self.\n        if (targetComp.path && targetComp.path.indexOf('/' + sourceComp.id + '/') >= 0) {\n            confirmMessage = 'movecompetencytochildofselfwillresetrules';\n\n            // Show a confirmation if self has rules, as they'll disappear.\n            showConfirm = showConfirm || treeModel.hasRule(sourceComp.id);\n        }\n\n        // Show a confirmation if the current parent, or the destination have rules.\n        showConfirm = showConfirm || (treeModel.hasRule(targetComp.id) || treeModel.hasRule(sourceComp.parentid));\n\n        // Show confirm, and/or do the things.\n        if (showConfirm) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: confirmMessage, component: 'tool_lp'},\n                {key: 'yes', component: 'moodle'},\n                {key: 'no', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Delete competency X?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    doMove\n                );\n            }).fail(notification.exception);\n\n        } else {\n            doMove();\n        }\n    };\n\n    /**\n     * A move competency popup was opened - initialise the aria tree in it.\n     * @method initMovePopup\n     * @param {dialogue} popup The tool_lp/dialogue that was created.\n     */\n    var initMovePopup = function(popup) {\n        var body = $(popup.getContent());\n        var treeRoot = body.find('[data-enhance=movetree]');\n        var tree = new Ariatree(treeRoot, false);\n        tree.on('selectionchanged', function(evt, params) {\n            var target = params.selected;\n            moveTarget = $(target).data('id');\n        });\n        treeRoot.show();\n\n        body.on('click', '[data-action=\"move\"]', function() {\n          popup.close();\n          confirmMove();\n        });\n        body.on('click', '[data-action=\"cancel\"]', function() {\n          popup.close();\n        });\n    };\n\n    /**\n     * Turn a flat list of competencies into a tree structure (recursive).\n     * @method addCompetencyChildren\n     * @param {Object} parent The current parent node in the tree\n     * @param {Object[]} competencies The flat list of competencies\n     */\n    var addCompetencyChildren = function(parent, competencies) {\n        var i;\n\n        for (i = 0; i < competencies.length; i++) {\n            if (competencies[i].parentid == parent.id) {\n                parent.haschildren = true;\n                competencies[i].children = [];\n                competencies[i].haschildren = false;\n                parent.children[parent.children.length] = competencies[i];\n                addCompetencyChildren(competencies[i], competencies);\n            }\n        }\n    };\n\n    /**\n     * A node was chosen and \"Move\" was selected from the menu. Open a popup to select the target.\n     * @param {Event} e\n     * @method moveHandler\n     */\n    var moveHandler = function(e) {\n        e.preventDefault();\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n\n        // Remember what we are moving.\n        moveSource = competency.id;\n\n        // Load data for the template.\n        var requests = ajax.call([\n            {\n                methodname: 'core_competency_search_competencies',\n                args: {\n                    competencyframeworkid: competency.competencyframeworkid,\n                    searchtext: ''\n                }\n            }, {\n                methodname: 'core_competency_read_competency_framework',\n                args: {\n                    id: competency.competencyframeworkid\n                }\n            }\n        ]);\n\n        // When all data has arrived, continue.\n        $.when.apply(null, requests).done(function(competencies, framework) {\n\n            // Expand the list of competencies into a tree.\n            var i;\n            var competenciestree = [];\n            for (i = 0; i < competencies.length; i++) {\n                var onecompetency = competencies[i];\n                if (onecompetency.parentid == \"0\") {\n                    onecompetency.children = [];\n                    onecompetency.haschildren = 0;\n                    competenciestree[competenciestree.length] = onecompetency;\n                    addCompetencyChildren(onecompetency, competencies);\n                }\n            }\n\n            str.get_strings([\n                {key: 'movecompetency', component: 'tool_lp', param: competency.shortname},\n                {key: 'move', component: 'tool_lp'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n\n                var context = {\n                    framework: framework,\n                    competencies: competenciestree\n                };\n\n                templates.render('tool_lp/competencies_move_tree', context)\n                   .done(function(tree) {\n                       new Dialogue(\n                           strings[0], // Move competency x.\n                           tree, // The move tree.\n                           initMovePopup\n                       );\n\n                   }).fail(notification.exception);\n\n           }).fail(notification.exception);\n\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Edit the selected competency.\n     * @method editHandler\n     */\n    var editHandler = function() {\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n\n        var params = {\n            competencyframeworkid: treeModel.getCompetencyFrameworkId(),\n            id: competency.id,\n            parentid: competency.parentid,\n            pagecontextid: pageContextId\n        };\n\n        var queryparams = $.param(params);\n        window.location = url.relativeUrl('/admin/tool/lp/editcompetency.php?' + queryparams);\n    };\n\n    /**\n     * Re-render the page with the latest data.\n     * @param {Object} context\n     * @method reloadPage\n     */\n    var reloadPage = function(context) {\n        templates.render('tool_lp/manage_competencies_page', context)\n            .done(function(newhtml, newjs) {\n                $('[data-region=\"managecompetencies\"]').replaceWith(newhtml);\n                templates.runTemplateJS(newjs);\n            })\n           .fail(notification.exception);\n    };\n\n    /**\n     * Perform a search and render the page with the new search results.\n     * @param {Event} e\n     * @method updateSearchHandler\n     */\n    var updateSearchHandler = function(e) {\n        e.preventDefault();\n\n        var frameworkid = $('[data-region=\"filtercompetencies\"]').data('frameworkid');\n\n        var requests = ajax.call([{\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: frameworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[0].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Move a competency \"up\". This only affects the sort order within the same branch of the tree.\n     * @method moveUpHandler\n     */\n    var moveUpHandler = function() {\n        // We are chaining ajax requests here.\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n        var requests = ajax.call([{\n            methodname: 'core_competency_move_up_competency',\n            args: {id: competency.id}\n        }, {\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: competency.competencyframeworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[1].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Move a competency \"down\". This only affects the sort order within the same branch of the tree.\n     * @method moveDownHandler\n     */\n    var moveDownHandler = function() {\n        // We are chaining ajax requests here.\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n        var requests = ajax.call([{\n            methodname: 'core_competency_move_down_competency',\n            args: {id: competency.id}\n        }, {\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: competency.competencyframeworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[1].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Open a dialogue to show all the courses using the selected competency.\n     * @method seeCoursesHandler\n     */\n    var seeCoursesHandler = function() {\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n\n        var requests = ajax.call([{\n            methodname: 'tool_lp_list_courses_using_competency',\n            args: {id: competency.id}\n        }]);\n\n        requests[0].done(function(courses) {\n            var context = {\n                courses: courses\n            };\n            templates.render('tool_lp/linked_courses_summary', context).done(function(html) {\n                str.get_string('linkedcourses', 'tool_lp').done(function(linkedcourses) {\n                    new Dialogue(\n                        linkedcourses, // Title.\n                        html, // The linked courses.\n                        initMovePopup\n                    );\n                }).fail(notification.exception);\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Open a competencies popup to relate competencies.\n     *\n     * @method relateCompetenciesHandler\n     */\n    var relateCompetenciesHandler = function() {\n        relatedTarget = $('[data-region=\"competencyactions\"]').data('competency');\n\n        if (!pickerInstance) {\n            pickerInstance = new Picker(pageContextId, relatedTarget.competencyframeworkid);\n            pickerInstance.on('save', function(e, data) {\n                var pendingPromise = new Pending();\n                var compIds = data.competencyIds;\n\n                var calls = [];\n                $.each(compIds, function(index, value) {\n                    calls.push({\n                        methodname: 'core_competency_add_related_competency',\n                        args: {competencyid: value, relatedcompetencyid: relatedTarget.id}\n                    });\n                });\n\n                calls.push({\n                    methodname: 'tool_lp_data_for_related_competencies_section',\n                    args: {competencyid: relatedTarget.id}\n                });\n\n                var promises = ajax.call(calls);\n\n                promises[calls.length - 1].then(function(context) {\n                    return templates.render('tool_lp/related_competencies', context);\n                }).then(function(html, js) {\n                    $('[data-region=\"relatedcompetencies\"]').replaceWith(html);\n                    templates.runTemplateJS(js);\n                    updatedRelatedCompetencies();\n                    return;\n                })\n                .then(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        }\n\n        pickerInstance.setDisallowedCompetencyIDs([relatedTarget.id]);\n        pickerInstance.display();\n    };\n\n    var ruleConfigHandler = function(e) {\n        e.preventDefault();\n        relatedTarget = $('[data-region=\"competencyactions\"]').data('competency');\n        ruleConfigInstance.setTargetCompetencyId(relatedTarget.id);\n        ruleConfigInstance.display();\n    };\n\n    var ruleConfigSaveHandler = function(e, config) {\n        var update = {\n            id: relatedTarget.id,\n            shortname: relatedTarget.shortname,\n            idnumber: relatedTarget.idnumber,\n            description: relatedTarget.description,\n            descriptionformat: relatedTarget.descriptionformat,\n            ruletype: config.ruletype,\n            ruleoutcome: config.ruleoutcome,\n            ruleconfig: config.ruleconfig\n        };\n        var promise = ajax.call([{\n            methodname: 'core_competency_update_competency',\n            args: {competency: update}\n        }]);\n        promise[0].then(function(result) {\n            if (result) {\n                relatedTarget.ruletype = config.ruletype;\n                relatedTarget.ruleoutcome = config.ruleoutcome;\n                relatedTarget.ruleconfig = config.ruleconfig;\n                renderCompetencySummary(relatedTarget);\n            }\n            return;\n        }).catch(notification.exception);\n    };\n\n    /**\n     * Delete a competency.\n     * @method doDelete\n     */\n    var doDelete = function() {\n        // We are chaining ajax requests here.\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n        var requests = ajax.call([{\n            methodname: 'core_competency_delete_competency',\n            args: {id: competency.id}\n        }, {\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: competency.competencyframeworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[0].done(function(success) {\n            if (success === false) {\n                str.get_strings([\n                {key: 'competencycannotbedeleted', component: 'tool_lp', param: competency.shortname},\n                {key: 'cancel', component: 'moodle'}\n                ]).done(function(strings) {\n                    notification.alert(\n                        null,\n                        strings[0]\n                    );\n                }).fail(notification.exception);\n            }\n        }).fail(notification.exception);\n        requests[1].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Show a confirm dialogue before deleting a competency.\n     * @method deleteCompetencyHandler\n     */\n    var deleteCompetencyHandler = function() {\n        var competency = $('[data-region=\"competencyactions\"]').data('competency'),\n            confirmMessage = 'deletecompetency';\n\n        if (treeModel.hasRule(competency.parentid)) {\n            confirmMessage = 'deletecompetencyparenthasrule';\n        }\n\n        str.get_strings([\n            {key: 'confirm', component: 'moodle'},\n            {key: confirmMessage, component: 'tool_lp', param: competency.shortname},\n            {key: 'delete', component: 'moodle'},\n            {key: 'cancel', component: 'moodle'}\n        ]).done(function(strings) {\n            notification.confirm(\n                strings[0], // Confirm.\n                strings[1], // Delete competency X?\n                strings[2], // Delete.\n                strings[3], // Cancel.\n                doDelete\n            );\n        }).fail(notification.exception);\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method dragStart\n     * @param {Event} e\n     */\n    var dragStart = function(e) {\n        e.originalEvent.dataTransfer.setData('text', $(e.target).parent().data('id'));\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method allowDrop\n     * @param {Event} e\n     */\n    var allowDrop = function(e) {\n        e.originalEvent.dataTransfer.dropEffect = 'move';\n        e.preventDefault();\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method dragEnter\n     * @param {Event} e\n     */\n    var dragEnter = function(e) {\n        e.preventDefault();\n        $(this).addClass('currentdragtarget');\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method dragLeave\n     * @param {Event} e\n     */\n    var dragLeave = function(e) {\n        e.preventDefault();\n        $(this).removeClass('currentdragtarget');\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method dropOver\n     * @param {Event} e\n     */\n    var dropOver = function(e) {\n        e.preventDefault();\n        moveSource = e.originalEvent.dataTransfer.getData('text');\n        moveTarget = $(e.target).parent().data('id');\n        $(this).removeClass('currentdragtarget');\n\n        confirmMove();\n    };\n\n    /**\n     * Deletes a related competency without confirmation.\n     *\n     * @param {Event} e The event that triggered the action.\n     * @method deleteRelatedHandler\n     */\n    var deleteRelatedHandler = function(e) {\n        e.preventDefault();\n\n        var relatedid = this.id.substr(11);\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n        var removeRelated = ajax.call([\n            {methodname: 'core_competency_remove_related_competency',\n              args: {relatedcompetencyid: relatedid, competencyid: competency.id}},\n            {methodname: 'tool_lp_data_for_related_competencies_section',\n              args: {competencyid: competency.id}}\n        ]);\n\n        removeRelated[1].done(function(context) {\n            templates.render('tool_lp/related_competencies', context).done(function(html) {\n                $('[data-region=\"relatedcompetencies\"]').replaceWith(html);\n                updatedRelatedCompetencies();\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Updates the competencies list (with relations) and add listeners.\n     *\n     * @method updatedRelatedCompetencies\n     */\n    var updatedRelatedCompetencies = function() {\n\n        // Listeners to newly loaded related competencies.\n        $('[data-action=\"deleterelation\"]').on('click', deleteRelatedHandler);\n\n    };\n\n    /**\n     * Log the competency viewed event.\n     *\n     * @param  {Object} competency The competency.\n     * @method triggerCompetencyViewedEvent\n     */\n    var triggerCompetencyViewedEvent = function(competency) {\n        if (competency.id !== selectedCompetencyId) {\n            // Set the selected competency id.\n            selectedCompetencyId = competency.id;\n            ajax.call([{\n                    methodname: 'core_competency_competency_viewed',\n                    args: {id: competency.id}\n            }]);\n        }\n    };\n\n    /**\n     * Return the taxonomy constant for a level.\n     *\n     * @param  {Number} level The level.\n     * @return {String}\n     * @function getTaxonomyAtLevel\n     */\n    var getTaxonomyAtLevel = function(level) {\n        var constant = taxonomiesConstants[level];\n        if (!constant) {\n            constant = 'competency';\n        }\n        return constant;\n    };\n\n    /**\n     * Render the competency summary.\n     *\n     * @param  {Object} competency The competency.\n     */\n    var renderCompetencySummary = function(competency) {\n        var promise = $.Deferred().resolve().promise(),\n            context = {};\n\n        context.competency = competency;\n        context.showdeleterelatedaction = true;\n        context.showrelatedcompetencies = true;\n        context.showrule = false;\n        context.pluginbaseurl = url.relativeUrl('/admin/tool/lp');\n\n        if (competency.ruleoutcome != Outcomes.NONE) {\n            // Get the outcome and rule name.\n            promise = Outcomes.getString(competency.ruleoutcome).then(function(str) {\n                var name;\n                $.each(rulesModules, function(index, modInfo) {\n                    if (modInfo.type == competency.ruletype) {\n                        name = modInfo.name;\n                    }\n                });\n                return [str, name];\n            });\n        }\n\n        promise.then(function(strs) {\n            if (typeof strs !== 'undefined') {\n                context.showrule = true;\n                context.rule = {\n                    outcome: strs[0],\n                    type: strs[1]\n                };\n            }\n            return context;\n        }).then(function(context) {\n            return templates.render('tool_lp/competency_summary', context);\n        }).then(function(html) {\n            $('[data-region=\"competencyinfo\"]').html(html);\n            $('[data-action=\"deleterelation\"]').on('click', deleteRelatedHandler);\n            return templates.render('tool_lp/loading', {});\n        }).then(function(html, js) {\n            templates.replaceNodeContents('[data-region=\"relatedcompetencies\"]', html, js);\n            return ajax.call([{\n                methodname: 'tool_lp_data_for_related_competencies_section',\n                args: {competencyid: competency.id}\n            }])[0];\n        }).then(function(context) {\n            return templates.render('tool_lp/related_competencies', context);\n        }).then(function(html, js) {\n            $('[data-region=\"relatedcompetencies\"]').replaceWith(html);\n            templates.runTemplateJS(js);\n            updatedRelatedCompetencies();\n            return;\n        }).catch(notification.exception);\n    };\n\n    /**\n     * Return the string \"Add <taxonomy>\".\n     *\n     * @param  {Number} level The level.\n     * @return {String}\n     * @function strAddTaxonomy\n     */\n    var strAddTaxonomy = function(level) {\n        return str.get_string('taxonomy_add_' + getTaxonomyAtLevel(level), 'tool_lp');\n    };\n\n    /**\n     * Return the string \"Selected <taxonomy>\".\n     *\n     * @param  {Number} level The level.\n     * @return {String}\n     * @function strSelectedTaxonomy\n     */\n    var strSelectedTaxonomy = function(level) {\n        return str.get_string('taxonomy_selected_' + getTaxonomyAtLevel(level), 'tool_lp');\n    };\n\n    /**\n     * Handler when a node in the aria tree is selected.\n     * @method selectionChanged\n     * @param {Event} evt The event that triggered the selection change.\n     * @param {Object} params The parameters for the event. Contains a list of selected nodes.\n     * @return {Boolean}\n     */\n    var selectionChanged = function(evt, params) {\n        var node = params.selected,\n            id = $(node).data('id'),\n            btn = $('[data-region=\"competencyactions\"] [data-action=\"add\"]'),\n            actionMenu = $('[data-region=\"competencyactionsmenu\"]'),\n            selectedTitle = $('[data-region=\"selected-competency\"]'),\n            level = 0,\n            sublevel = 1;\n\n        menubar.closeAll();\n\n        if (typeof id === \"undefined\") {\n            // Assume this is the root of the tree.\n            // Here we are only getting the text from the top of the tree, to do it we clone the tree,\n            // remove all children and then call text on the result.\n            $('[data-region=\"competencyinfo\"]').html(node.clone().children().remove().end().text());\n            $('[data-region=\"competencyactions\"]').data('competency', null);\n            actionMenu.hide();\n\n        } else {\n            var competency = treeModel.getCompetency(id);\n\n            level = treeModel.getCompetencyLevel(id);\n            sublevel = level + 1;\n\n            actionMenu.show();\n            $('[data-region=\"competencyactions\"]').data('competency', competency);\n            renderCompetencySummary(competency);\n            // Log Competency viewed event.\n            triggerCompetencyViewedEvent(competency);\n        }\n        strSelectedTaxonomy(level).then(function(str) {\n            selectedTitle.text(str);\n            return;\n        }).catch(notification.exception);\n\n        strAddTaxonomy(sublevel).then(function(str) {\n            btn.show()\n                .find('[data-region=\"term\"]')\n                .text(str);\n            return;\n        }).catch(notification.exception);\n\n        // We handled this event so consume it.\n        evt.preventDefault();\n        return false;\n    };\n\n    /**\n     * Return the string \"Selected <taxonomy>\".\n     *\n     * @function parseTaxonomies\n     * @param  {String} taxonomiesstr Comma separated list of taxonomies.\n     * @return {Array} of level => taxonomystr\n     */\n    var parseTaxonomies = function(taxonomiesstr) {\n        var all = taxonomiesstr.split(',');\n        all.unshift(\"\");\n        delete all[0];\n\n        // Note we don't need to fill holes, because other functions check for empty anyway.\n        return all;\n    };\n\n    return {\n        /**\n         * Initialise this page (attach event handlers etc).\n         *\n         * @method init\n         * @param {Object} model The tree model provides some useful functions for loading and searching competencies.\n         * @param {Number} pagectxid The page context ID.\n         * @param {Object} taxonomies Constants indexed by level.\n         * @param {Object} rulesMods The modules of the rules.\n         */\n        init: function(model, pagectxid, taxonomies, rulesMods) {\n            treeModel = model;\n            pageContextId = pagectxid;\n            taxonomiesConstants = parseTaxonomies(taxonomies);\n            rulesModules = rulesMods;\n\n            $('[data-region=\"competencyactions\"] [data-action=\"add\"]').on('click', addHandler);\n\n            menubar.enhance('.competencyactionsmenu', {\n                '[data-action=\"edit\"]': editHandler,\n                '[data-action=\"delete\"]': deleteCompetencyHandler,\n                '[data-action=\"move\"]': moveHandler,\n                '[data-action=\"moveup\"]': moveUpHandler,\n                '[data-action=\"movedown\"]': moveDownHandler,\n                '[data-action=\"linkedcourses\"]': seeCoursesHandler,\n                '[data-action=\"relatedcompetencies\"]': relateCompetenciesHandler.bind(this),\n                '[data-action=\"competencyrules\"]': ruleConfigHandler.bind(this)\n            });\n            $('[data-region=\"competencyactionsmenu\"]').hide();\n            $('[data-region=\"competencyactions\"] [data-action=\"add\"]').hide();\n\n            $('[data-region=\"filtercompetencies\"]').on('submit', updateSearchHandler);\n            // Simple html5 drag drop because we already added an accessible alternative.\n            var top = $('[data-region=\"managecompetencies\"] [data-enhance=\"tree\"]');\n            top.on('dragstart', 'li>span', dragStart)\n                .on('dragover', 'li>span', allowDrop)\n                .on('dragenter', 'li>span', dragEnter)\n                .on('dragleave', 'li>span', dragLeave)\n                .on('drop', 'li>span', dropOver);\n\n            model.on('selectionchanged', selectionChanged);\n\n            // Prepare the configuration tool.\n            ruleConfigInstance = new RuleConfig(treeModel, rulesModules);\n            ruleConfigInstance.on('save', ruleConfigSaveHandler.bind(this));\n        }\n    };\n});\n"],"file":"competencyactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"competencyactions.min.js","sources":["../src/competencyactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle selection changes and actions on the competency tree.\n *\n * @module     tool_lp/competencyactions\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/url',\n        'core/templates',\n        'core/notification',\n        'core/str',\n        'core/ajax',\n        'tool_lp/dragdrop-reorder',\n        'tool_lp/tree',\n        'tool_lp/dialogue',\n        'tool_lp/menubar',\n        'tool_lp/competencypicker',\n        'tool_lp/competency_outcomes',\n        'tool_lp/competencyruleconfig',\n        'core/pending',\n        ],\n       function(\n            $, url, templates, notification, str, ajax, dragdrop, Ariatree, Dialogue, menubar, Picker, Outcomes, RuleConfig, Pending\n        ) {\n\n    // Private variables and functions.\n    /** @var {Object} treeModel - This is an object representing the nodes in the tree. */\n    var treeModel = null;\n    /** @var {Node} moveSource - The start of a drag operation */\n    var moveSource = null;\n    /** @var {Node} moveTarget - The end of a drag operation */\n    var moveTarget = null;\n    /** @var {Number} pageContextId The page context ID. */\n    var pageContextId;\n    /** @type {Object} Picker instance. */\n    var pickerInstance;\n    /** @type {Object} Rule config instance. */\n    var ruleConfigInstance;\n    /** @type {Object} The competency we're picking a relation to. */\n    var relatedTarget;\n    /** @type {Object} Taxonomy constants indexed per level. */\n    var taxonomiesConstants;\n    /** @type {Array} The rules modules. Values are object containing type, namd and amd. */\n    var rulesModules;\n    /** @type {Number} the selected competency ID. */\n    var selectedCompetencyId = null;\n\n    /**\n     * Respond to choosing the \"Add\" menu item for the selected node in the tree.\n     * @method addHandler\n     */\n    var addHandler = function() {\n        var parent = $('[data-region=\"competencyactions\"]').data('competency');\n\n        var params = {\n            competencyframeworkid: treeModel.getCompetencyFrameworkId(),\n            pagecontextid: pageContextId\n        };\n\n        if (parent !== null) {\n            // We are adding at a sub node.\n            params.parentid = parent.id;\n        }\n\n        var relocate = function() {\n            var queryparams = $.param(params);\n            window.location = url.relativeUrl('/admin/tool/lp/editcompetency.php?' + queryparams);\n        };\n\n        if (parent !== null && treeModel.hasRule(parent.id)) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'addingcompetencywillresetparentrule', component: 'tool_lp', param: parent.shortname},\n                {key: 'yes', component: 'core'},\n                {key: 'no', component: 'core'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0],\n                    strings[1],\n                    strings[2],\n                    strings[3],\n                    relocate\n                );\n            }).fail(notification.exception);\n        } else {\n            relocate();\n        }\n    };\n\n    /**\n     * A source and destination has been chosen - so time to complete a move.\n     * @method doMove\n     */\n    var doMove = function() {\n        var frameworkid = $('[data-region=\"filtercompetencies\"]').data('frameworkid');\n        var requests = ajax.call([{\n            methodname: 'core_competency_set_parent_competency',\n            args: {competencyid: moveSource, parentid: moveTarget}\n        }, {\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: frameworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[1].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Confirms a competency move.\n     *\n     * @method confirmMove\n     */\n    var confirmMove = function() {\n        moveTarget = typeof moveTarget === \"undefined\" ? 0 : moveTarget;\n        if (moveTarget == moveSource) {\n            // No move to do.\n            return;\n        }\n\n        var targetComp = treeModel.getCompetency(moveTarget) || {},\n            sourceComp = treeModel.getCompetency(moveSource) || {},\n            confirmMessage = 'movecompetencywillresetrules',\n            showConfirm = false;\n\n        // We shouldn't be moving the competency to the same parent.\n        if (sourceComp.parentid == moveTarget) {\n            return;\n        }\n\n        // If we are moving to a child of self.\n        if (targetComp.path && targetComp.path.indexOf('/' + sourceComp.id + '/') >= 0) {\n            confirmMessage = 'movecompetencytochildofselfwillresetrules';\n\n            // Show a confirmation if self has rules, as they'll disappear.\n            showConfirm = showConfirm || treeModel.hasRule(sourceComp.id);\n        }\n\n        // Show a confirmation if the current parent, or the destination have rules.\n        showConfirm = showConfirm || (treeModel.hasRule(targetComp.id) || treeModel.hasRule(sourceComp.parentid));\n\n        // Show confirm, and/or do the things.\n        if (showConfirm) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: confirmMessage, component: 'tool_lp'},\n                {key: 'yes', component: 'moodle'},\n                {key: 'no', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Delete competency X?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    doMove\n                );\n            }).fail(notification.exception);\n\n        } else {\n            doMove();\n        }\n    };\n\n    /**\n     * A move competency popup was opened - initialise the aria tree in it.\n     * @method initMovePopup\n     * @param {dialogue} popup The tool_lp/dialogue that was created.\n     */\n    var initMovePopup = function(popup) {\n        var body = $(popup.getContent());\n        var treeRoot = body.find('[data-enhance=movetree]');\n        var tree = new Ariatree(treeRoot, false);\n        tree.on('selectionchanged', function(evt, params) {\n            var target = params.selected;\n            moveTarget = $(target).data('id');\n        });\n        treeRoot.show();\n\n        body.on('click', '[data-action=\"move\"]', function() {\n          popup.close();\n          confirmMove();\n        });\n        body.on('click', '[data-action=\"cancel\"]', function() {\n          popup.close();\n        });\n    };\n\n    /**\n     * Turn a flat list of competencies into a tree structure (recursive).\n     * @method addCompetencyChildren\n     * @param {Object} parent The current parent node in the tree\n     * @param {Object[]} competencies The flat list of competencies\n     */\n    var addCompetencyChildren = function(parent, competencies) {\n        var i;\n\n        for (i = 0; i < competencies.length; i++) {\n            if (competencies[i].parentid == parent.id) {\n                parent.haschildren = true;\n                competencies[i].children = [];\n                competencies[i].haschildren = false;\n                parent.children[parent.children.length] = competencies[i];\n                addCompetencyChildren(competencies[i], competencies);\n            }\n        }\n    };\n\n    /**\n     * A node was chosen and \"Move\" was selected from the menu. Open a popup to select the target.\n     * @param {Event} e\n     * @method moveHandler\n     */\n    var moveHandler = function(e) {\n        e.preventDefault();\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n\n        // Remember what we are moving.\n        moveSource = competency.id;\n\n        // Load data for the template.\n        var requests = ajax.call([\n            {\n                methodname: 'core_competency_search_competencies',\n                args: {\n                    competencyframeworkid: competency.competencyframeworkid,\n                    searchtext: ''\n                }\n            }, {\n                methodname: 'core_competency_read_competency_framework',\n                args: {\n                    id: competency.competencyframeworkid\n                }\n            }\n        ]);\n\n        // When all data has arrived, continue.\n        $.when.apply(null, requests).done(function(competencies, framework) {\n\n            // Expand the list of competencies into a tree.\n            var i;\n            var competenciestree = [];\n            for (i = 0; i < competencies.length; i++) {\n                var onecompetency = competencies[i];\n                if (onecompetency.parentid == \"0\") {\n                    onecompetency.children = [];\n                    onecompetency.haschildren = 0;\n                    competenciestree[competenciestree.length] = onecompetency;\n                    addCompetencyChildren(onecompetency, competencies);\n                }\n            }\n\n            str.get_strings([\n                {key: 'movecompetency', component: 'tool_lp', param: competency.shortname},\n                {key: 'move', component: 'tool_lp'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n\n                var context = {\n                    framework: framework,\n                    competencies: competenciestree\n                };\n\n                templates.render('tool_lp/competencies_move_tree', context)\n                   .done(function(tree) {\n                       new Dialogue(\n                           strings[0], // Move competency x.\n                           tree, // The move tree.\n                           initMovePopup\n                       );\n\n                   }).fail(notification.exception);\n\n           }).fail(notification.exception);\n\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Edit the selected competency.\n     * @method editHandler\n     */\n    var editHandler = function() {\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n\n        var params = {\n            competencyframeworkid: treeModel.getCompetencyFrameworkId(),\n            id: competency.id,\n            parentid: competency.parentid,\n            pagecontextid: pageContextId\n        };\n\n        var queryparams = $.param(params);\n        window.location = url.relativeUrl('/admin/tool/lp/editcompetency.php?' + queryparams);\n    };\n\n    /**\n     * Re-render the page with the latest data.\n     * @param {Object} context\n     * @method reloadPage\n     */\n    var reloadPage = function(context) {\n        templates.render('tool_lp/manage_competencies_page', context)\n            .done(function(newhtml, newjs) {\n                $('[data-region=\"managecompetencies\"]').replaceWith(newhtml);\n                templates.runTemplateJS(newjs);\n            })\n           .fail(notification.exception);\n    };\n\n    /**\n     * Perform a search and render the page with the new search results.\n     * @param {Event} e\n     * @method updateSearchHandler\n     */\n    var updateSearchHandler = function(e) {\n        e.preventDefault();\n\n        var frameworkid = $('[data-region=\"filtercompetencies\"]').data('frameworkid');\n\n        var requests = ajax.call([{\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: frameworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[0].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Move a competency \"up\". This only affects the sort order within the same branch of the tree.\n     * @method moveUpHandler\n     */\n    var moveUpHandler = function() {\n        // We are chaining ajax requests here.\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n        var requests = ajax.call([{\n            methodname: 'core_competency_move_up_competency',\n            args: {id: competency.id}\n        }, {\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: competency.competencyframeworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[1].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Move a competency \"down\". This only affects the sort order within the same branch of the tree.\n     * @method moveDownHandler\n     */\n    var moveDownHandler = function() {\n        // We are chaining ajax requests here.\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n        var requests = ajax.call([{\n            methodname: 'core_competency_move_down_competency',\n            args: {id: competency.id}\n        }, {\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: competency.competencyframeworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[1].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Open a dialogue to show all the courses using the selected competency.\n     * @method seeCoursesHandler\n     */\n    var seeCoursesHandler = function() {\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n\n        var requests = ajax.call([{\n            methodname: 'tool_lp_list_courses_using_competency',\n            args: {id: competency.id}\n        }]);\n\n        requests[0].done(function(courses) {\n            var context = {\n                courses: courses\n            };\n            templates.render('tool_lp/linked_courses_summary', context).done(function(html) {\n                str.get_string('linkedcourses', 'tool_lp').done(function(linkedcourses) {\n                    new Dialogue(\n                        linkedcourses, // Title.\n                        html, // The linked courses.\n                        initMovePopup\n                    );\n                }).fail(notification.exception);\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Open a competencies popup to relate competencies.\n     *\n     * @method relateCompetenciesHandler\n     */\n    var relateCompetenciesHandler = function() {\n        relatedTarget = $('[data-region=\"competencyactions\"]').data('competency');\n\n        if (!pickerInstance) {\n            pickerInstance = new Picker(pageContextId, relatedTarget.competencyframeworkid);\n            pickerInstance.on('save', function(e, data) {\n                var pendingPromise = new Pending();\n                var compIds = data.competencyIds;\n\n                var calls = [];\n                $.each(compIds, function(index, value) {\n                    calls.push({\n                        methodname: 'core_competency_add_related_competency',\n                        args: {competencyid: value, relatedcompetencyid: relatedTarget.id}\n                    });\n                });\n\n                calls.push({\n                    methodname: 'tool_lp_data_for_related_competencies_section',\n                    args: {competencyid: relatedTarget.id}\n                });\n\n                var promises = ajax.call(calls);\n\n                promises[calls.length - 1].then(function(context) {\n                    return templates.render('tool_lp/related_competencies', context);\n                }).then(function(html, js) {\n                    $('[data-region=\"relatedcompetencies\"]').replaceWith(html);\n                    templates.runTemplateJS(js);\n                    updatedRelatedCompetencies();\n                    return;\n                })\n                .then(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        }\n\n        pickerInstance.setDisallowedCompetencyIDs([relatedTarget.id]);\n        pickerInstance.display();\n    };\n\n    var ruleConfigHandler = function(e) {\n        e.preventDefault();\n        relatedTarget = $('[data-region=\"competencyactions\"]').data('competency');\n        ruleConfigInstance.setTargetCompetencyId(relatedTarget.id);\n        ruleConfigInstance.display();\n    };\n\n    var ruleConfigSaveHandler = function(e, config) {\n        var update = {\n            id: relatedTarget.id,\n            shortname: relatedTarget.shortname,\n            idnumber: relatedTarget.idnumber,\n            description: relatedTarget.description,\n            descriptionformat: relatedTarget.descriptionformat,\n            ruletype: config.ruletype,\n            ruleoutcome: config.ruleoutcome,\n            ruleconfig: config.ruleconfig\n        };\n        var promise = ajax.call([{\n            methodname: 'core_competency_update_competency',\n            args: {competency: update}\n        }]);\n        promise[0].then(function(result) {\n            if (result) {\n                relatedTarget.ruletype = config.ruletype;\n                relatedTarget.ruleoutcome = config.ruleoutcome;\n                relatedTarget.ruleconfig = config.ruleconfig;\n                renderCompetencySummary(relatedTarget);\n            }\n            return;\n        }).catch(notification.exception);\n    };\n\n    /**\n     * Delete a competency.\n     * @method doDelete\n     */\n    var doDelete = function() {\n        // We are chaining ajax requests here.\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n        var requests = ajax.call([{\n            methodname: 'core_competency_delete_competency',\n            args: {id: competency.id}\n        }, {\n            methodname: 'tool_lp_data_for_competencies_manage_page',\n            args: {competencyframeworkid: competency.competencyframeworkid,\n                    search: $('[data-region=\"filtercompetencies\"] input').val()}\n        }]);\n        requests[0].done(function(success) {\n            if (success === false) {\n                str.get_strings([\n                {key: 'competencycannotbedeleted', component: 'tool_lp', param: competency.shortname},\n                {key: 'cancel', component: 'moodle'}\n                ]).done(function(strings) {\n                    notification.alert(\n                        null,\n                        strings[0]\n                    );\n                }).fail(notification.exception);\n            }\n        }).fail(notification.exception);\n        requests[1].done(reloadPage).fail(notification.exception);\n    };\n\n    /**\n     * Show a confirm dialogue before deleting a competency.\n     * @method deleteCompetencyHandler\n     */\n    var deleteCompetencyHandler = function() {\n        var competency = $('[data-region=\"competencyactions\"]').data('competency'),\n            confirmMessage = 'deletecompetency';\n\n        if (treeModel.hasRule(competency.parentid)) {\n            confirmMessage = 'deletecompetencyparenthasrule';\n        }\n\n        str.get_strings([\n            {key: 'confirm', component: 'moodle'},\n            {key: confirmMessage, component: 'tool_lp', param: competency.shortname},\n            {key: 'delete', component: 'moodle'},\n            {key: 'cancel', component: 'moodle'}\n        ]).done(function(strings) {\n            notification.confirm(\n                strings[0], // Confirm.\n                strings[1], // Delete competency X?\n                strings[2], // Delete.\n                strings[3], // Cancel.\n                doDelete\n            );\n        }).fail(notification.exception);\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method dragStart\n     * @param {Event} e\n     */\n    var dragStart = function(e) {\n        e.originalEvent.dataTransfer.setData('text', $(e.target).parent().data('id'));\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method allowDrop\n     * @param {Event} e\n     */\n    var allowDrop = function(e) {\n        e.originalEvent.dataTransfer.dropEffect = 'move';\n        e.preventDefault();\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method dragEnter\n     * @param {Event} e\n     */\n    var dragEnter = function(e) {\n        e.preventDefault();\n        $(this).addClass('currentdragtarget');\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method dragLeave\n     * @param {Event} e\n     */\n    var dragLeave = function(e) {\n        e.preventDefault();\n        $(this).removeClass('currentdragtarget');\n    };\n\n    /**\n     * HTML5 implementation of drag/drop (there is an accesible alternative in the menus).\n     * @method dropOver\n     * @param {Event} e\n     */\n    var dropOver = function(e) {\n        e.preventDefault();\n        moveSource = e.originalEvent.dataTransfer.getData('text');\n        moveTarget = $(e.target).parent().data('id');\n        $(this).removeClass('currentdragtarget');\n\n        confirmMove();\n    };\n\n    /**\n     * Deletes a related competency without confirmation.\n     *\n     * @param {Event} e The event that triggered the action.\n     * @method deleteRelatedHandler\n     */\n    var deleteRelatedHandler = function(e) {\n        e.preventDefault();\n\n        var relatedid = this.id.substr(11);\n        var competency = $('[data-region=\"competencyactions\"]').data('competency');\n        var removeRelated = ajax.call([\n            {methodname: 'core_competency_remove_related_competency',\n              args: {relatedcompetencyid: relatedid, competencyid: competency.id}},\n            {methodname: 'tool_lp_data_for_related_competencies_section',\n              args: {competencyid: competency.id}}\n        ]);\n\n        removeRelated[1].done(function(context) {\n            templates.render('tool_lp/related_competencies', context).done(function(html) {\n                $('[data-region=\"relatedcompetencies\"]').replaceWith(html);\n                updatedRelatedCompetencies();\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Updates the competencies list (with relations) and add listeners.\n     *\n     * @method updatedRelatedCompetencies\n     */\n    var updatedRelatedCompetencies = function() {\n\n        // Listeners to newly loaded related competencies.\n        $('[data-action=\"deleterelation\"]').on('click', deleteRelatedHandler);\n\n    };\n\n    /**\n     * Log the competency viewed event.\n     *\n     * @param  {Object} competency The competency.\n     * @method triggerCompetencyViewedEvent\n     */\n    var triggerCompetencyViewedEvent = function(competency) {\n        if (competency.id !== selectedCompetencyId) {\n            // Set the selected competency id.\n            selectedCompetencyId = competency.id;\n            ajax.call([{\n                    methodname: 'core_competency_competency_viewed',\n                    args: {id: competency.id}\n            }]);\n        }\n    };\n\n    /**\n     * Return the taxonomy constant for a level.\n     *\n     * @param  {Number} level The level.\n     * @return {String}\n     * @function getTaxonomyAtLevel\n     */\n    var getTaxonomyAtLevel = function(level) {\n        var constant = taxonomiesConstants[level];\n        if (!constant) {\n            constant = 'competency';\n        }\n        return constant;\n    };\n\n    /**\n     * Render the competency summary.\n     *\n     * @param  {Object} competency The competency.\n     */\n    var renderCompetencySummary = function(competency) {\n        var promise = $.Deferred().resolve().promise(),\n            context = {};\n\n        context.competency = competency;\n        context.showdeleterelatedaction = true;\n        context.showrelatedcompetencies = true;\n        context.showrule = false;\n        context.pluginbaseurl = url.relativeUrl('/admin/tool/lp');\n\n        if (competency.ruleoutcome != Outcomes.NONE) {\n            // Get the outcome and rule name.\n            promise = Outcomes.getString(competency.ruleoutcome).then(function(str) {\n                var name;\n                $.each(rulesModules, function(index, modInfo) {\n                    if (modInfo.type == competency.ruletype) {\n                        name = modInfo.name;\n                    }\n                });\n                return [str, name];\n            });\n        }\n\n        promise.then(function(strs) {\n            if (typeof strs !== 'undefined') {\n                context.showrule = true;\n                context.rule = {\n                    outcome: strs[0],\n                    type: strs[1]\n                };\n            }\n            return context;\n        }).then(function(context) {\n            return templates.render('tool_lp/competency_summary', context);\n        }).then(function(html) {\n            $('[data-region=\"competencyinfo\"]').html(html);\n            $('[data-action=\"deleterelation\"]').on('click', deleteRelatedHandler);\n            return templates.render('tool_lp/loading', {});\n        }).then(function(html, js) {\n            templates.replaceNodeContents('[data-region=\"relatedcompetencies\"]', html, js);\n            return ajax.call([{\n                methodname: 'tool_lp_data_for_related_competencies_section',\n                args: {competencyid: competency.id}\n            }])[0];\n        }).then(function(context) {\n            return templates.render('tool_lp/related_competencies', context);\n        }).then(function(html, js) {\n            $('[data-region=\"relatedcompetencies\"]').replaceWith(html);\n            templates.runTemplateJS(js);\n            updatedRelatedCompetencies();\n            return;\n        }).catch(notification.exception);\n    };\n\n    /**\n     * Return the string \"Add <taxonomy>\".\n     *\n     * @param  {Number} level The level.\n     * @return {String}\n     * @function strAddTaxonomy\n     */\n    var strAddTaxonomy = function(level) {\n        return str.get_string('taxonomy_add_' + getTaxonomyAtLevel(level), 'tool_lp');\n    };\n\n    /**\n     * Return the string \"Selected <taxonomy>\".\n     *\n     * @param  {Number} level The level.\n     * @return {String}\n     * @function strSelectedTaxonomy\n     */\n    var strSelectedTaxonomy = function(level) {\n        return str.get_string('taxonomy_selected_' + getTaxonomyAtLevel(level), 'tool_lp');\n    };\n\n    /**\n     * Handler when a node in the aria tree is selected.\n     * @method selectionChanged\n     * @param {Event} evt The event that triggered the selection change.\n     * @param {Object} params The parameters for the event. Contains a list of selected nodes.\n     * @return {Boolean}\n     */\n    var selectionChanged = function(evt, params) {\n        var node = params.selected,\n            id = $(node).data('id'),\n            btn = $('[data-region=\"competencyactions\"] [data-action=\"add\"]'),\n            actionMenu = $('[data-region=\"competencyactionsmenu\"]'),\n            selectedTitle = $('[data-region=\"selected-competency\"]'),\n            level = 0,\n            sublevel = 1;\n\n        menubar.closeAll();\n\n        if (typeof id === \"undefined\") {\n            // Assume this is the root of the tree.\n            // Here we are only getting the text from the top of the tree, to do it we clone the tree,\n            // remove all children and then call text on the result.\n            $('[data-region=\"competencyinfo\"]').html(node.clone().children().remove().end().text());\n            $('[data-region=\"competencyactions\"]').data('competency', null);\n            actionMenu.hide();\n\n        } else {\n            var competency = treeModel.getCompetency(id);\n\n            level = treeModel.getCompetencyLevel(id);\n            sublevel = level + 1;\n\n            actionMenu.show();\n            $('[data-region=\"competencyactions\"]').data('competency', competency);\n            renderCompetencySummary(competency);\n            // Log Competency viewed event.\n            triggerCompetencyViewedEvent(competency);\n        }\n        strSelectedTaxonomy(level).then(function(str) {\n            selectedTitle.text(str);\n            return;\n        }).catch(notification.exception);\n\n        strAddTaxonomy(sublevel).then(function(str) {\n            btn.show()\n                .find('[data-region=\"term\"]')\n                .text(str);\n            return;\n        }).catch(notification.exception);\n\n        // We handled this event so consume it.\n        evt.preventDefault();\n        return false;\n    };\n\n    /**\n     * Return the string \"Selected <taxonomy>\".\n     *\n     * @function parseTaxonomies\n     * @param  {String} taxonomiesstr Comma separated list of taxonomies.\n     * @return {Array} of level => taxonomystr\n     */\n    var parseTaxonomies = function(taxonomiesstr) {\n        var all = taxonomiesstr.split(',');\n        all.unshift(\"\");\n        delete all[0];\n\n        // Note we don't need to fill holes, because other functions check for empty anyway.\n        return all;\n    };\n\n    return {\n        /**\n         * Initialise this page (attach event handlers etc).\n         *\n         * @method init\n         * @param {Object} model The tree model provides some useful functions for loading and searching competencies.\n         * @param {Number} pagectxid The page context ID.\n         * @param {Object} taxonomies Constants indexed by level.\n         * @param {Object} rulesMods The modules of the rules.\n         */\n        init: function(model, pagectxid, taxonomies, rulesMods) {\n            treeModel = model;\n            pageContextId = pagectxid;\n            taxonomiesConstants = parseTaxonomies(taxonomies);\n            rulesModules = rulesMods;\n\n            $('[data-region=\"competencyactions\"] [data-action=\"add\"]').on('click', addHandler);\n\n            menubar.enhance('.competencyactionsmenu', {\n                '[data-action=\"edit\"]': editHandler,\n                '[data-action=\"delete\"]': deleteCompetencyHandler,\n                '[data-action=\"move\"]': moveHandler,\n                '[data-action=\"moveup\"]': moveUpHandler,\n                '[data-action=\"movedown\"]': moveDownHandler,\n                '[data-action=\"linkedcourses\"]': seeCoursesHandler,\n                '[data-action=\"relatedcompetencies\"]': relateCompetenciesHandler.bind(this),\n                '[data-action=\"competencyrules\"]': ruleConfigHandler.bind(this)\n            });\n            $('[data-region=\"competencyactionsmenu\"]').hide();\n            $('[data-region=\"competencyactions\"] [data-action=\"add\"]').hide();\n\n            $('[data-region=\"filtercompetencies\"]').on('submit', updateSearchHandler);\n            // Simple html5 drag drop because we already added an accessible alternative.\n            var top = $('[data-region=\"managecompetencies\"] [data-enhance=\"tree\"]');\n            top.on('dragstart', 'li>span', dragStart)\n                .on('dragover', 'li>span', allowDrop)\n                .on('dragenter', 'li>span', dragEnter)\n                .on('dragleave', 'li>span', dragLeave)\n                .on('drop', 'li>span', dropOver);\n\n            model.on('selectionchanged', selectionChanged);\n\n            // Prepare the configuration tool.\n            ruleConfigInstance = new RuleConfig(treeModel, rulesModules);\n            ruleConfigInstance.on('save', ruleConfigSaveHandler.bind(this));\n        }\n    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\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencydialogue.min.js b/admin/tool/lp/amd/build/competencydialogue.min.js
index 53a0e337f32..1b93a7c6cf1 100644
--- a/admin/tool/lp/amd/build/competencydialogue.min.js
+++ b/admin/tool/lp/amd/build/competencydialogue.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/competencydialogue",["jquery","core/notification","core/ajax","core/templates","core/str","tool_lp/dialogue"],function(a,b,c,d,e,f){var g,h=function(){};h.prototype.triggerCompetencyViewedEvent=function(a){c.call([{methodname:"core_competency_competency_viewed",args:{id:a}}])};h.prototype.showDialogue=function(a,c){var e=this.getCompetencyDataPromise(a,c),g=this;e.done(function(c){d.render("tool_lp/competency_summary",c).done(function(b){g.triggerCompetencyViewedEvent(a);new f(c.competency.shortname,b)}).fail(b.exception)}).fail(b.exception)};h.prototype.showDialogueFromData=function(a){var c=this;d.render("tool_lp/competency_summary",a).done(function(b){c.triggerCompetencyViewedEvent(a.id);new f(a.shortname,b,c.enhanceDialogue)}).fail(b.exception)};h.prototype.clickEventHandler=function(b){var c=b.data.compdialogue,d=a(b.currentTarget),e=d.data("id"),f=!d.data("excluderelated"),g=d.data("includecourses");c.showDialogue(e,{includerelated:f,includecourses:g});b.preventDefault()};h.prototype.getCompetencyDataPromise=function(a,d){var e=c.call([{methodname:"tool_lp_data_for_competency_summary",args:{competencyid:a,includerelated:d.includerelated||!1,includecourses:d.includecourses||!1}}]);return e[0].then(function(a){return a}).fail(b.exception)};return{init:function init(){if("undefined"!=typeof g){return}g=new h;a("body").delegate("[data-action=\"competency-dialogue\"]","click",{compdialogue:g},g.clickEventHandler.bind(g))}}});
-//# sourceMappingURL=competencydialogue.min.js.map
+/**
+ * Display Competency in dialogue box.
+ *
+ * @module     tool_lp/Competencydialogue
+ * @package    tool_lp
+ * @copyright  2015 Issam Taboubi <issam.taboubi@umontreal.ca>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competencydialogue",["jquery","core/notification","core/ajax","core/templates","core/str","tool_lp/dialogue"],(function($,notification,ajax,templates,str,Dialogue){var instance,Competencydialogue=function(){};return Competencydialogue.prototype.triggerCompetencyViewedEvent=function(competencyId){ajax.call([{methodname:"core_competency_competency_viewed",args:{id:competencyId}}])},Competencydialogue.prototype.showDialogue=function(competencyid,options){var datapromise=this.getCompetencyDataPromise(competencyid,options),localthis=this;datapromise.done((function(data){templates.render("tool_lp/competency_summary",data).done((function(html){localthis.triggerCompetencyViewedEvent(competencyid),new Dialogue(data.competency.shortname,html)})).fail(notification.exception)})).fail(notification.exception)},Competencydialogue.prototype.showDialogueFromData=function(dataSource){var localthis=this;templates.render("tool_lp/competency_summary",dataSource).done((function(html){localthis.triggerCompetencyViewedEvent(dataSource.id),new Dialogue(dataSource.shortname,html,localthis.enhanceDialogue)})).fail(notification.exception)},Competencydialogue.prototype.clickEventHandler=function(e){var compdialogue=e.data.compdialogue,currentTarget=$(e.currentTarget),competencyid=currentTarget.data("id"),includerelated=!currentTarget.data("excluderelated"),includecourses=currentTarget.data("includecourses");compdialogue.showDialogue(competencyid,{includerelated:includerelated,includecourses:includecourses}),e.preventDefault()},Competencydialogue.prototype.getCompetencyDataPromise=function(competencyid,options){return ajax.call([{methodname:"tool_lp_data_for_competency_summary",args:{competencyid:competencyid,includerelated:options.includerelated||!1,includecourses:options.includecourses||!1}}])[0].then((function(context){return context})).fail(notification.exception)},{init:function(){void 0===instance&&(instance=new Competencydialogue,$("body").delegate('[data-action="competency-dialogue"]',"click",{compdialogue:instance},instance.clickEventHandler.bind(instance)))}}}));
+
+//# sourceMappingURL=competencydialogue.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencydialogue.min.js.map b/admin/tool/lp/amd/build/competencydialogue.min.js.map
index 0b54b1160dd..65f9c4d1b0d 100644
--- a/admin/tool/lp/amd/build/competencydialogue.min.js.map
+++ b/admin/tool/lp/amd/build/competencydialogue.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Display Competency in dialogue box.\n *\n * @module     tool_lp/Competencydialogue\n * @package    tool_lp\n * @copyright  2015 Issam Taboubi <issam.taboubi@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'core/str',\n        'tool_lp/dialogue'],\n       function($, notification, ajax, templates, str, Dialogue) {\n\n    /**\n     * The main instance we'll be working with.\n     *\n     * @type {Competencydialogue}\n     */\n    var instance;\n\n    /**\n     * Constructor for CompetencyDialogue.\n     *\n     * @param {Object} options\n     *\n     */\n    var Competencydialogue = function() {\n      // Intentionally left empty.\n    };\n\n    /**\n     * Log the competency viewed event.\n     *\n     * @param  {Number} competencyId The competency ID.\n     * @method triggerCompetencyViewedEvent\n     */\n    Competencydialogue.prototype.triggerCompetencyViewedEvent = function(competencyId) {\n        ajax.call([{\n                methodname: 'core_competency_competency_viewed',\n                args: {id: competencyId}\n        }]);\n    };\n\n    /**\n     * Display a dialogue box by competencyid.\n     *\n     * @param {Number} competencyid The competency ID.\n     * @param {Object} options The options.\n     * @method showDialogue\n     */\n    Competencydialogue.prototype.showDialogue = function(competencyid, options) {\n\n        var datapromise = this.getCompetencyDataPromise(competencyid, options);\n        var localthis = this;\n        datapromise.done(function(data) {\n            // Inner Html in the dialogue content.\n            templates.render('tool_lp/competency_summary', data)\n                .done(function(html) {\n                    // Log competency viewed event.\n                    localthis.triggerCompetencyViewedEvent(competencyid);\n\n                    // Show the dialogue.\n                    new Dialogue(\n                        data.competency.shortname,\n                        html\n                    );\n                }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Display a dialogue box from data.\n     *\n     * @param {Object} dataSource data to be used to display dialogue box\n     * @method showDialogueFromData\n     */\n    Competencydialogue.prototype.showDialogueFromData = function(dataSource) {\n\n        var localthis = this;\n        // Inner Html in the dialogue content.\n        templates.render('tool_lp/competency_summary', dataSource)\n            .done(function(html) {\n                // Log competency viewed event.\n                localthis.triggerCompetencyViewedEvent(dataSource.id);\n\n                // Show the dialogue.\n                new Dialogue(\n                    dataSource.shortname,\n                    html,\n                    localthis.enhanceDialogue\n                );\n            }).fail(notification.exception);\n    };\n\n    /**\n     * The action on the click event.\n     *\n     * @param {Event} e event click\n     * @method clickEventHandler\n     */\n    Competencydialogue.prototype.clickEventHandler = function(e) {\n\n        var compdialogue = e.data.compdialogue;\n        var currentTarget = $(e.currentTarget);\n        var competencyid = currentTarget.data('id');\n        var includerelated = !(currentTarget.data('excluderelated'));\n        var includecourses = currentTarget.data('includecourses');\n\n        // Show the dialogue box.\n        compdialogue.showDialogue(competencyid, {\n            includerelated: includerelated,\n            includecourses: includecourses\n        });\n        e.preventDefault();\n    };\n\n    /**\n     * Get a promise on data competency.\n     *\n     * @param {Number} competencyid\n     * @param {Object} options\n     * @return {Promise} return promise on data request\n     * @method getCompetencyDataPromise\n     */\n    Competencydialogue.prototype.getCompetencyDataPromise = function(competencyid, options) {\n\n        var requests = ajax.call([\n            {methodname: 'tool_lp_data_for_competency_summary',\n              args: {competencyid: competencyid,\n                      includerelated: options.includerelated || false,\n                      includecourses: options.includecourses || false\n                    }\n            }\n        ]);\n\n        return requests[0].then(function(context) {\n           return context;\n        }).fail(notification.exception);\n    };\n\n    return /** @alias module:tool_lp/competencydialogue */ {\n\n        /**\n         * Initialise the competency dialogue module.\n         *\n         * Only the first call matters.\n         */\n        init: function() {\n            if (typeof instance !== 'undefined') {\n                return;\n            }\n\n            // Instantiate the one instance and delegate event on the body.\n            instance = new Competencydialogue();\n            $('body').delegate('[data-action=\"competency-dialogue\"]', 'click', {compdialogue: instance},\n                instance.clickEventHandler.bind(instance));\n        }\n    };\n});\n"],"file":"competencydialogue.min.js"}
\ No newline at end of file
+{"version":3,"file":"competencydialogue.min.js","sources":["../src/competencydialogue.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Display Competency in dialogue box.\n *\n * @module     tool_lp/Competencydialogue\n * @package    tool_lp\n * @copyright  2015 Issam Taboubi <issam.taboubi@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'core/str',\n        'tool_lp/dialogue'],\n       function($, notification, ajax, templates, str, Dialogue) {\n\n    /**\n     * The main instance we'll be working with.\n     *\n     * @type {Competencydialogue}\n     */\n    var instance;\n\n    /**\n     * Constructor for CompetencyDialogue.\n     *\n     * @param {Object} options\n     *\n     */\n    var Competencydialogue = function() {\n      // Intentionally left empty.\n    };\n\n    /**\n     * Log the competency viewed event.\n     *\n     * @param  {Number} competencyId The competency ID.\n     * @method triggerCompetencyViewedEvent\n     */\n    Competencydialogue.prototype.triggerCompetencyViewedEvent = function(competencyId) {\n        ajax.call([{\n                methodname: 'core_competency_competency_viewed',\n                args: {id: competencyId}\n        }]);\n    };\n\n    /**\n     * Display a dialogue box by competencyid.\n     *\n     * @param {Number} competencyid The competency ID.\n     * @param {Object} options The options.\n     * @method showDialogue\n     */\n    Competencydialogue.prototype.showDialogue = function(competencyid, options) {\n\n        var datapromise = this.getCompetencyDataPromise(competencyid, options);\n        var localthis = this;\n        datapromise.done(function(data) {\n            // Inner Html in the dialogue content.\n            templates.render('tool_lp/competency_summary', data)\n                .done(function(html) {\n                    // Log competency viewed event.\n                    localthis.triggerCompetencyViewedEvent(competencyid);\n\n                    // Show the dialogue.\n                    new Dialogue(\n                        data.competency.shortname,\n                        html\n                    );\n                }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Display a dialogue box from data.\n     *\n     * @param {Object} dataSource data to be used to display dialogue box\n     * @method showDialogueFromData\n     */\n    Competencydialogue.prototype.showDialogueFromData = function(dataSource) {\n\n        var localthis = this;\n        // Inner Html in the dialogue content.\n        templates.render('tool_lp/competency_summary', dataSource)\n            .done(function(html) {\n                // Log competency viewed event.\n                localthis.triggerCompetencyViewedEvent(dataSource.id);\n\n                // Show the dialogue.\n                new Dialogue(\n                    dataSource.shortname,\n                    html,\n                    localthis.enhanceDialogue\n                );\n            }).fail(notification.exception);\n    };\n\n    /**\n     * The action on the click event.\n     *\n     * @param {Event} e event click\n     * @method clickEventHandler\n     */\n    Competencydialogue.prototype.clickEventHandler = function(e) {\n\n        var compdialogue = e.data.compdialogue;\n        var currentTarget = $(e.currentTarget);\n        var competencyid = currentTarget.data('id');\n        var includerelated = !(currentTarget.data('excluderelated'));\n        var includecourses = currentTarget.data('includecourses');\n\n        // Show the dialogue box.\n        compdialogue.showDialogue(competencyid, {\n            includerelated: includerelated,\n            includecourses: includecourses\n        });\n        e.preventDefault();\n    };\n\n    /**\n     * Get a promise on data competency.\n     *\n     * @param {Number} competencyid\n     * @param {Object} options\n     * @return {Promise} return promise on data request\n     * @method getCompetencyDataPromise\n     */\n    Competencydialogue.prototype.getCompetencyDataPromise = function(competencyid, options) {\n\n        var requests = ajax.call([\n            {methodname: 'tool_lp_data_for_competency_summary',\n              args: {competencyid: competencyid,\n                      includerelated: options.includerelated || false,\n                      includecourses: options.includecourses || false\n                    }\n            }\n        ]);\n\n        return requests[0].then(function(context) {\n           return context;\n        }).fail(notification.exception);\n    };\n\n    return /** @alias module:tool_lp/competencydialogue */ {\n\n        /**\n         * Initialise the competency dialogue module.\n         *\n         * Only the first call matters.\n         */\n        init: function() {\n            if (typeof instance !== 'undefined') {\n            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diff --git a/admin/tool/lp/amd/build/competencypicker.min.js b/admin/tool/lp/amd/build/competencypicker.min.js
index ec38fee95eb..7f95e26d138 100644
--- a/admin/tool/lp/amd/build/competencypicker.min.js
+++ b/admin/tool/lp/amd/build/competencypicker.min.js
@@ -1,2 +1,14 @@
-define ("tool_lp/competencypicker",["jquery","core/notification","core/ajax","core/templates","tool_lp/dialogue","core/str","tool_lp/tree","core/pending"],function(a,b,c,d,e,f,g,h){var i=function(b,c,d,e){var f=this;f._eventNode=a("<div></div>");f._frameworks=[];f._reset();f._pageContextId=b;f._pageContextIncludes=d||"children";f._multiSelect="undefined"==typeof e||!0===e;if(c){f._frameworkId=c;f._singleFramework=!0}};i.prototype._competencies=null;i.prototype._disallowedCompetencyIDs=null;i.prototype._eventNode=null;i.prototype._frameworks=null;i.prototype._frameworkId=null;i.prototype._pageContextId=null;i.prototype._pageContextIncludes=null;i.prototype._popup=null;i.prototype._searchText="";i.prototype._selectedCompetencies=null;i.prototype._singleFramework=!1;i.prototype._multiSelect=!0;i.prototype._onlyVisible=!0;i.prototype._afterRender=function(){var c=this,d=new g(c._find("[data-enhance=linktree]"),c._multiSelect);c._find("[data-enhance=linktree]").show();d.on("selectionchanged",function(b,d){var e=d.selected;b.preventDefault();var f=[];a.each(e,function(b,d){var e=a(d).data("id"),g=!0;if("undefined"==typeof e){g=!1}else{a.each(c._disallowedCompetencyIDs,function(a,b){if(b==e){g=!1}})}if(g){f.push(e)}});c._selectedCompetencies=f;if(!c._selectedCompetencies.length){c._find("[data-region=\"competencylinktree\"] [data-action=\"add\"]").attr("disabled","disabled")}else{c._find("[data-region=\"competencylinktree\"] [data-action=\"add\"]").removeAttr("disabled")}});if(!c._singleFramework){c._find("[data-action=\"chooseframework\"]").change(function(d){c._frameworkId=a(d.target).val();c._loadCompetencies().then(c._refresh.bind(c)).catch(b.exception)})}c._find("[data-region=\"filtercompetencies\"] button").click(function(b){b.preventDefault();a(b.target).attr("disabled","disabled");c._searchText=c._find("[data-region=\"filtercompetencies\"] input").val()||"";return c._refresh().always(function(){a(b.target).removeAttr("disabled")})});c._find("[data-region=\"competencylinktree\"] [data-action=\"cancel\"]").click(function(a){a.preventDefault();c.close()});c._find("[data-region=\"competencylinktree\"] [data-action=\"add\"]").click(function(a){a.preventDefault();var b=new h;if(!c._selectedCompetencies.length){return}if(c._multiSelect){c._trigger("save",{competencyIds:c._selectedCompetencies})}else{c._trigger("save",{competencyId:c._selectedCompetencies[0]})}c.close();b.resolve()});var e=c._selectedCompetencies.slice(0);a.each(e,function(a,b){var e=c._find("[data-id="+b+"]");if(e.length){d.toggleItem(e);d.updateFocus(e)}})};i.prototype.close=function(){var a=this;a._popup.close();a._reset()};i.prototype.display=function(){var c=this;return a.when(f.get_string("competencypicker","tool_lp"),c._render()).then(function(a,b){c._popup=new e(a,b[0],c._afterRender.bind(c))}).catch(b.exception)};i.prototype._fetchCompetencies=function(a,d){var e=this;return c.call([{methodname:"core_competency_search_competencies",args:{searchtext:d,competencyframeworkid:a}}])[0].done(function(a){function b(a,c){for(var d=0;d<c.length;d++){if(c[d].parentid==a.id){a.haschildren=!0;c[d].children=[];c[d].haschildren=!1;a.children[a.children.length]=c[d];b(c[d],c)}}}var c,d,f=[];for(c=0;c<a.length;c++){d=a[c];if("0"==d.parentid){d.children=[];d.haschildren=0;f[f.length]=d;b(d,a)}}e._competencies=f}).fail(b.exception)};i.prototype._find=function(b){return a(this._popup.getContent()).find(b)};i.prototype._getFramework=function(b){var c;a.each(this._frameworks,function(a,d){if(d.id==b){c=d}});return c};i.prototype._loadCompetencies=function(){return this._fetchCompetencies(this._frameworkId,this._searchText)};i.prototype._loadFrameworks=function(){var d,e=this;if(0<e._frameworks.length){return a.when()}if(e._singleFramework){d=c.call([{methodname:"core_competency_read_competency_framework",args:{id:this._frameworkId}}])[0].then(function(a){return[a]})}else{d=c.call([{methodname:"core_competency_list_competency_frameworks",args:{sort:"shortname",context:{contextid:e._pageContextId},includes:e._pageContextIncludes,onlyvisible:e._onlyVisible}}])[0]}return d.done(function(a){e._frameworks=a}).fail(b.exception)};i.prototype.on=function(a,b){this._eventNode.on(a,b)};i.prototype._preRender=function(){var b=this;return b._loadFrameworks().then(function(){if(!b._frameworkId&&0<b._frameworks.length){b._frameworkId=b._frameworks[0].id}if(!b._frameworkId){b._frameworks=[];return a.when()}return b._loadCompetencies()})};i.prototype._refresh=function(){var a=this;return a._render().then(function(b){a._find("[data-region=\"competencylinktree\"]").replaceWith(b);a._afterRender()})};i.prototype._render=function(){var b=this;return b._preRender().then(function(){if(!b._singleFramework){a.each(b._frameworks,function(a,c){if(c.id==b._frameworkId){c.selected=!0}else{c.selected=!1}})}var c={competencies:b._competencies,framework:b._getFramework(b._frameworkId),frameworks:b._frameworks,search:b._searchText,singleFramework:b._singleFramework};return d.render("tool_lp/competency_picker",c)})};i.prototype._reset=function(){this._competencies=[];this._disallowedCompetencyIDs=[];this._popup=null;this._searchText="";this._selectedCompetencies=[]};i.prototype.setDisallowedCompetencyIDs=function(a){this._disallowedCompetencyIDs=a};i.prototype._trigger=function(a,b){this._eventNode.trigger(a,[b])};return i});
-//# sourceMappingURL=competencypicker.min.js.map
+/**
+ * Competency picker.
+ *
+ * To handle 'save' events use: picker.on('save')
+ * This will receive a object with either a single 'competencyId', or an array in 'competencyIds'
+ * depending on the value of multiSelect.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competencypicker",["jquery","core/notification","core/ajax","core/templates","tool_lp/dialogue","core/str","tool_lp/tree","core/pending"],(function($,Notification,Ajax,Templates,Dialogue,Str,Tree,Pending){var Picker=function(pageContextId,singleFramework,pageContextIncludes,multiSelect){this._eventNode=$("<div></div>"),this._frameworks=[],this._reset(),this._pageContextId=pageContextId,this._pageContextIncludes=pageContextIncludes||"children",this._multiSelect=void 0===multiSelect||!0===multiSelect,singleFramework&&(this._frameworkId=singleFramework,this._singleFramework=!0)};return Picker.prototype._competencies=null,Picker.prototype._disallowedCompetencyIDs=null,Picker.prototype._eventNode=null,Picker.prototype._frameworks=null,Picker.prototype._frameworkId=null,Picker.prototype._pageContextId=null,Picker.prototype._pageContextIncludes=null,Picker.prototype._popup=null,Picker.prototype._searchText="",Picker.prototype._selectedCompetencies=null,Picker.prototype._singleFramework=!1,Picker.prototype._multiSelect=!0,Picker.prototype._onlyVisible=!0,Picker.prototype._afterRender=function(){var self=this,tree=new Tree(self._find("[data-enhance=linktree]"),self._multiSelect);self._find("[data-enhance=linktree]").show(),tree.on("selectionchanged",(function(evt,params){var selected=params.selected;evt.preventDefault();var validIds=[];$.each(selected,(function(index,item){var compId=$(item).data("id"),valid=!0;void 0===compId?valid=!1:$.each(self._disallowedCompetencyIDs,(function(i,id){id==compId&&(valid=!1)})),valid&&validIds.push(compId)})),self._selectedCompetencies=validIds,self._selectedCompetencies.length?self._find('[data-region="competencylinktree"] [data-action="add"]').removeAttr("disabled"):self._find('[data-region="competencylinktree"] [data-action="add"]').attr("disabled","disabled")})),self._singleFramework||self._find('[data-action="chooseframework"]').change((function(e){self._frameworkId=$(e.target).val(),self._loadCompetencies().then(self._refresh.bind(self)).catch(Notification.exception)})),self._find('[data-region="filtercompetencies"] button').click((function(e){return e.preventDefault(),$(e.target).attr("disabled","disabled"),self._searchText=self._find('[data-region="filtercompetencies"] input').val()||"",self._refresh().always((function(){$(e.target).removeAttr("disabled")}))})),self._find('[data-region="competencylinktree"] [data-action="cancel"]').click((function(e){e.preventDefault(),self.close()})),self._find('[data-region="competencylinktree"] [data-action="add"]').click((function(e){e.preventDefault();var pendingPromise=new Pending;self._selectedCompetencies.length&&(self._multiSelect?self._trigger("save",{competencyIds:self._selectedCompetencies}):self._trigger("save",{competencyId:self._selectedCompetencies[0]}),self.close(),pendingPromise.resolve())}));var currentItems=self._selectedCompetencies.slice(0);$.each(currentItems,(function(index,id){var node=self._find("[data-id="+id+"]");node.length&&(tree.toggleItem(node),tree.updateFocus(node))}))},Picker.prototype.close=function(){this._popup.close(),this._reset()},Picker.prototype.display=function(){var self=this;return $.when(Str.get_string("competencypicker","tool_lp"),self._render()).then((function(title,render){self._popup=new Dialogue(title,render[0],self._afterRender.bind(self))})).catch(Notification.exception)},Picker.prototype._fetchCompetencies=function(frameworkId,searchText){var self=this;return Ajax.call([{methodname:"core_competency_search_competencies",args:{searchtext:searchText,competencyframeworkid:frameworkId}}])[0].done((function(competencies){function addCompetencyChildren(parent,competencies){for(var i=0;i<competencies.length;i++)competencies[i].parentid==parent.id&&(parent.haschildren=!0,competencies[i].children=[],competencies[i].haschildren=!1,parent.children[parent.children.length]=competencies[i],addCompetencyChildren(competencies[i],competencies))}var i,comp,tree=[];for(i=0;i<competencies.length;i++)"0"==(comp=competencies[i]).parentid&&(comp.children=[],comp.haschildren=0,tree[tree.length]=comp,addCompetencyChildren(comp,competencies));self._competencies=tree})).fail(Notification.exception)},Picker.prototype._find=function(selector){return $(this._popup.getContent()).find(selector)},Picker.prototype._getFramework=function(fid){var frm;return $.each(this._frameworks,(function(i,f){f.id!=fid||(frm=f)})),frm},Picker.prototype._loadCompetencies=function(){return this._fetchCompetencies(this._frameworkId,this._searchText)},Picker.prototype._loadFrameworks=function(){var self=this;return self._frameworks.length>0?$.when():(self._singleFramework?Ajax.call([{methodname:"core_competency_read_competency_framework",args:{id:this._frameworkId}}])[0].then((function(framework){return[framework]})):Ajax.call([{methodname:"core_competency_list_competency_frameworks",args:{sort:"shortname",context:{contextid:self._pageContextId},includes:self._pageContextIncludes,onlyvisible:self._onlyVisible}}])[0]).done((function(frameworks){self._frameworks=frameworks})).fail(Notification.exception)},Picker.prototype.on=function(type,handler){this._eventNode.on(type,handler)},Picker.prototype._preRender=function(){var self=this;return self._loadFrameworks().then((function(){return!self._frameworkId&&self._frameworks.length>0&&(self._frameworkId=self._frameworks[0].id),self._frameworkId?self._loadCompetencies():(self._frameworks=[],$.when())}))},Picker.prototype._refresh=function(){var self=this;return self._render().then((function(html){self._find('[data-region="competencylinktree"]').replaceWith(html),self._afterRender()}))},Picker.prototype._render=function(){var self=this;return self._preRender().then((function(){self._singleFramework||$.each(self._frameworks,(function(i,framework){framework.id==self._frameworkId?framework.selected=!0:framework.selected=!1}));var context={competencies:self._competencies,framework:self._getFramework(self._frameworkId),frameworks:self._frameworks,search:self._searchText,singleFramework:self._singleFramework};return Templates.render("tool_lp/competency_picker",context)}))},Picker.prototype._reset=function(){this._competencies=[],this._disallowedCompetencyIDs=[],this._popup=null,this._searchText="",this._selectedCompetencies=[]},Picker.prototype.setDisallowedCompetencyIDs=function(ids){this._disallowedCompetencyIDs=ids},Picker.prototype._trigger=function(type,data){this._eventNode.trigger(type,[data])},Picker}));
+
+//# sourceMappingURL=competencypicker.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencypicker.min.js.map b/admin/tool/lp/amd/build/competencypicker.min.js.map
index 44b081253bc..d1747159071 100644
--- a/admin/tool/lp/amd/build/competencypicker.min.js.map
+++ b/admin/tool/lp/amd/build/competencypicker.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency picker.\n *\n * To handle 'save' events use: picker.on('save')\n * This will receive a object with either a single 'competencyId', or an array in 'competencyIds'\n * depending on the value of multiSelect.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'tool_lp/dialogue',\n        'core/str',\n        'tool_lp/tree',\n        'core/pending'\n        ],\n        function($, Notification, Ajax, Templates, Dialogue, Str, Tree, Pending) {\n\n    /**\n     * Competency picker class.\n     * @param {Number} pageContextId The page context ID.\n     * @param {Number|false} singleFramework The ID of the framework when limited to one.\n     * @param {String} pageContextIncludes One of 'children', 'parents', 'self'.\n     * @param {Boolean} multiSelect Support multi-select in the tree.\n     */\n    var Picker = function(pageContextId, singleFramework, pageContextIncludes, multiSelect) {\n        var self = this;\n        self._eventNode = $('<div></div>');\n        self._frameworks = [];\n        self._reset();\n\n        self._pageContextId = pageContextId;\n        self._pageContextIncludes = pageContextIncludes || 'children';\n        self._multiSelect = (typeof multiSelect === 'undefined' || multiSelect === true);\n        if (singleFramework) {\n            self._frameworkId = singleFramework;\n            self._singleFramework = true;\n        }\n    };\n\n    /** @type {Array} The competencies fetched. */\n    Picker.prototype._competencies = null;\n    /** @type {Array} The competencies that cannot be picked. */\n    Picker.prototype._disallowedCompetencyIDs = null;\n    /** @type {Node} The node we attach the events to. */\n    Picker.prototype._eventNode = null;\n    /** @type {Array} The list of frameworks fetched. */\n    Picker.prototype._frameworks = null;\n    /** @type {Number} The current framework ID. */\n    Picker.prototype._frameworkId = null;\n    /** @type {Number} The page context ID. */\n    Picker.prototype._pageContextId = null;\n    /** @type {Number} Relevant contexts inclusion. */\n    Picker.prototype._pageContextIncludes = null;\n    /** @type {Dialogue} The reference to the dialogue. */\n    Picker.prototype._popup = null;\n    /** @type {String} The string we filter the competencies with. */\n    Picker.prototype._searchText = '';\n    /** @type {Object} The competency that was selected. */\n    Picker.prototype._selectedCompetencies = null;\n    /** @type {Boolean} Whether we can browse frameworks or not. */\n    Picker.prototype._singleFramework = false;\n    /** @type {Boolean} Do we allow multi select? */\n    Picker.prototype._multiSelect = true;\n    /** @type {Boolean} Do we allow to display hidden framework? */\n    Picker.prototype._onlyVisible = true;\n\n    /**\n     * Hook to executed after the view is rendered.\n     *\n     * @method _afterRender\n     */\n    Picker.prototype._afterRender = function() {\n        var self = this;\n\n        // Initialise the tree.\n        var tree = new Tree(self._find('[data-enhance=linktree]'), self._multiSelect);\n\n        // To prevent jiggling we only show the tree after it is enhanced.\n        self._find('[data-enhance=linktree]').show();\n\n        tree.on('selectionchanged', function(evt, params) {\n            var selected = params.selected;\n            evt.preventDefault();\n            var validIds = [];\n            $.each(selected, function(index, item) {\n                var compId = $(item).data('id'),\n                    valid = true;\n\n                if (typeof compId === 'undefined') {\n                    // Do not allow picking nodes with no id.\n                    valid = false;\n                } else {\n                    $.each(self._disallowedCompetencyIDs, function(i, id) {\n                        if (id == compId) {\n                            valid = false;\n                        }\n                    });\n                }\n                if (valid) {\n                    validIds.push(compId);\n                }\n            });\n\n            self._selectedCompetencies = validIds;\n\n            // TODO Implement disabling of nodes in the tree module somehow.\n            if (!self._selectedCompetencies.length) {\n                self._find('[data-region=\"competencylinktree\"] [data-action=\"add\"]').attr('disabled', 'disabled');\n            } else {\n                self._find('[data-region=\"competencylinktree\"] [data-action=\"add\"]').removeAttr('disabled');\n            }\n        });\n\n        // Add listener for framework change.\n        if (!self._singleFramework) {\n            self._find('[data-action=\"chooseframework\"]').change(function(e) {\n                self._frameworkId = $(e.target).val();\n                self._loadCompetencies().then(self._refresh.bind(self)).catch(Notification.exception);\n            });\n        }\n\n        // Add listener for search.\n        self._find('[data-region=\"filtercompetencies\"] button').click(function(e) {\n            e.preventDefault();\n            $(e.target).attr('disabled', 'disabled');\n            self._searchText = self._find('[data-region=\"filtercompetencies\"] input').val() || '';\n            return self._refresh().always(function() {\n                $(e.target).removeAttr('disabled');\n            });\n        });\n\n        // Add listener for cancel.\n        self._find('[data-region=\"competencylinktree\"] [data-action=\"cancel\"]').click(function(e) {\n            e.preventDefault();\n            self.close();\n        });\n\n        // Add listener for add.\n        self._find('[data-region=\"competencylinktree\"] [data-action=\"add\"]').click(function(e) {\n            e.preventDefault();\n            var pendingPromise = new Pending();\n            if (!self._selectedCompetencies.length) {\n                return;\n            }\n\n            if (self._multiSelect) {\n                self._trigger('save', {competencyIds: self._selectedCompetencies});\n            } else {\n                // We checked above that the array has at least one value.\n                self._trigger('save', {competencyId: self._selectedCompetencies[0]});\n            }\n\n            // The dialogue here is a YUI dialogue and doesn't support Promises at all.\n            // However, it is typically synchronous so this shoudl suffice.\n            self.close();\n            pendingPromise.resolve();\n        });\n\n        // The list of selected competencies will be modified while looping (because of the listeners above).\n        var currentItems = self._selectedCompetencies.slice(0);\n\n        $.each(currentItems, function(index, id) {\n            var node = self._find('[data-id=' + id + ']');\n            if (node.length) {\n                tree.toggleItem(node);\n                tree.updateFocus(node);\n            }\n        });\n\n    };\n\n    /**\n     * Close the dialogue.\n     *\n     * @method close\n     */\n    Picker.prototype.close = function() {\n        var self = this;\n        self._popup.close();\n        self._reset();\n    };\n\n    /**\n     * Opens the picker.\n     *\n     * @method display\n     * @return {Promise}\n     */\n    Picker.prototype.display = function() {\n        var self = this;\n        return $.when(Str.get_string('competencypicker', 'tool_lp'), self._render())\n        .then(function(title, render) {\n            self._popup = new Dialogue(\n                title,\n                render[0],\n                self._afterRender.bind(self)\n            );\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the competencies.\n     *\n     * @param {Number} frameworkId The frameworkId.\n     * @param {String} searchText Limit the competencies to those matching the text.\n     * @method _fetchCompetencies\n     * @return {Promise}\n     */\n    Picker.prototype._fetchCompetencies = function(frameworkId, searchText) {\n        var self = this;\n\n        return Ajax.call([\n            {methodname: 'core_competency_search_competencies', args: {\n                searchtext: searchText,\n                competencyframeworkid: frameworkId\n            }}\n        ])[0].done(function(competencies) {\n          /**\n           * @param {Object} parent\n           * @param {Array} competencies\n           */\n            function addCompetencyChildren(parent, competencies) {\n                for (var i = 0; i < competencies.length; i++) {\n                    if (competencies[i].parentid == parent.id) {\n                        parent.haschildren = true;\n                        competencies[i].children = [];\n                        competencies[i].haschildren = false;\n                        parent.children[parent.children.length] = competencies[i];\n                        addCompetencyChildren(competencies[i], competencies);\n                    }\n                }\n            }\n\n            // Expand the list of competencies into a tree.\n            var i, comp;\n            var tree = [];\n            for (i = 0; i < competencies.length; i++) {\n                comp = competencies[i];\n                if (comp.parentid == \"0\") { // Loose check for now, because WS returns a string.\n                    comp.children = [];\n                    comp.haschildren = 0;\n                    tree[tree.length] = comp;\n                    addCompetencyChildren(comp, competencies);\n                }\n            }\n\n            self._competencies = tree;\n\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Find a node in the dialogue.\n     *\n     * @param {String} selector\n     * @return {JQuery}\n     * @method _find\n     */\n    Picker.prototype._find = function(selector) {\n        return $(this._popup.getContent()).find(selector);\n    };\n\n    /**\n     * Convenience method to get a framework object.\n     *\n     * @param {Number} fid The framework ID.\n     * @return {Object}\n     * @method _getFramework\n     */\n    Picker.prototype._getFramework = function(fid) {\n        var frm;\n        $.each(this._frameworks, function(i, f) {\n            if (f.id == fid) {\n                frm = f;\n                return;\n            }\n        });\n        return frm;\n    };\n\n    /**\n     * Load the competencies.\n     *\n     * @method _loadCompetencies\n     * @return {Promise}\n     */\n    Picker.prototype._loadCompetencies = function() {\n        return this._fetchCompetencies(this._frameworkId, this._searchText);\n    };\n\n    /**\n     * Load the frameworks.\n     *\n     * @method _loadFrameworks\n     * @return {Promise}\n     */\n    Picker.prototype._loadFrameworks = function() {\n        var promise,\n            self = this;\n\n        // Quit early because we already have the data.\n        if (self._frameworks.length > 0) {\n            return $.when();\n        }\n\n        if (self._singleFramework) {\n            promise = Ajax.call([\n                {methodname: 'core_competency_read_competency_framework', args: {\n                    id: this._frameworkId\n                }}\n            ])[0].then(function(framework) {\n                return [framework];\n            });\n        } else {\n            promise = Ajax.call([\n                {methodname: 'core_competency_list_competency_frameworks', args: {\n                    sort: 'shortname',\n                    context: {contextid: self._pageContextId},\n                    includes: self._pageContextIncludes,\n                    onlyvisible: self._onlyVisible\n                }}\n            ])[0];\n        }\n\n        return promise.done(function(frameworks) {\n            self._frameworks = frameworks;\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} type The event type.\n     * @param {Function} handler The event listener.\n     * @method on\n     */\n    Picker.prototype.on = function(type, handler) {\n        this._eventNode.on(type, handler);\n    };\n\n    /**\n     * Hook to executed before render.\n     *\n     * @method _preRender\n     * @return {Promise}\n     */\n    Picker.prototype._preRender = function() {\n        var self = this;\n        return self._loadFrameworks().then(function() {\n            if (!self._frameworkId && self._frameworks.length > 0) {\n                self._frameworkId = self._frameworks[0].id;\n            }\n\n            // We could not set a framework ID, that probably means there are no frameworks accessible.\n            if (!self._frameworkId) {\n                self._frameworks = [];\n                return $.when();\n            }\n\n            return self._loadCompetencies();\n        });\n    };\n\n    /**\n     * Refresh the view.\n     *\n     * @method _refresh\n     * @return {Promise}\n     */\n    Picker.prototype._refresh = function() {\n        var self = this;\n        return self._render().then(function(html) {\n            self._find('[data-region=\"competencylinktree\"]').replaceWith(html);\n            self._afterRender();\n            return;\n        });\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @return {Promise}\n     */\n    Picker.prototype._render = function() {\n        var self = this;\n        return self._preRender().then(function() {\n\n            if (!self._singleFramework) {\n                $.each(self._frameworks, function(i, framework) {\n                    if (framework.id == self._frameworkId) {\n                        framework.selected = true;\n                    } else {\n                        framework.selected = false;\n                    }\n                });\n            }\n\n            var context = {\n                competencies: self._competencies,\n                framework: self._getFramework(self._frameworkId),\n                frameworks: self._frameworks,\n                search: self._searchText,\n                singleFramework: self._singleFramework,\n            };\n\n            return Templates.render('tool_lp/competency_picker', context);\n        });\n    };\n\n    /**\n     * Reset the dialogue properties.\n     *\n     * This does not reset everything, just enough to reset the UI.\n     *\n     * @method _reset\n     */\n    Picker.prototype._reset = function() {\n        this._competencies = [];\n        this._disallowedCompetencyIDs = [];\n        this._popup = null;\n        this._searchText = '';\n        this._selectedCompetencies = [];\n    };\n\n    /**\n     * Set what competencies cannot be picked.\n     *\n     * This needs to be set after reset/close.\n     *\n     * @param {Number[]} ids The IDs.\n     * @method _setDisallowedCompetencyIDs\n     */\n    Picker.prototype.setDisallowedCompetencyIDs = function(ids) {\n        this._disallowedCompetencyIDs = ids;\n    };\n\n    /**\n     * Trigger an event.\n     *\n     * @param {String} type The type of event.\n     * @param {Object} data The data to pass to the listeners.\n     * @method _reset\n     */\n    Picker.prototype._trigger = function(type, data) {\n        this._eventNode.trigger(type, [data]);\n    };\n\n    return /** @alias module:tool_lp/competencypicker */ Picker;\n\n});\n"],"file":"competencypicker.min.js"}
\ No newline at end of file
+{"version":3,"file":"competencypicker.min.js","sources":["../src/competencypicker.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency picker.\n *\n * To handle 'save' events use: picker.on('save')\n * This will receive a object with either a single 'competencyId', or an array in 'competencyIds'\n * depending on the value of multiSelect.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'tool_lp/dialogue',\n        'core/str',\n        'tool_lp/tree',\n        'core/pending'\n        ],\n        function($, Notification, Ajax, Templates, Dialogue, Str, Tree, Pending) {\n\n    /**\n     * Competency picker class.\n     * @param {Number} pageContextId The page context ID.\n     * @param {Number|false} singleFramework The ID of the framework when limited to one.\n     * @param {String} pageContextIncludes One of 'children', 'parents', 'self'.\n     * @param {Boolean} multiSelect Support multi-select in the tree.\n     */\n    var Picker = function(pageContextId, singleFramework, pageContextIncludes, multiSelect) {\n        var self = this;\n        self._eventNode = $('<div></div>');\n        self._frameworks = [];\n        self._reset();\n\n        self._pageContextId = pageContextId;\n        self._pageContextIncludes = pageContextIncludes || 'children';\n        self._multiSelect = (typeof multiSelect === 'undefined' || multiSelect === true);\n        if (singleFramework) {\n            self._frameworkId = singleFramework;\n            self._singleFramework = true;\n        }\n    };\n\n    /** @type {Array} The competencies fetched. */\n    Picker.prototype._competencies = null;\n    /** @type {Array} The competencies that cannot be picked. */\n    Picker.prototype._disallowedCompetencyIDs = null;\n    /** @type {Node} The node we attach the events to. */\n    Picker.prototype._eventNode = null;\n    /** @type {Array} The list of frameworks fetched. */\n    Picker.prototype._frameworks = null;\n    /** @type {Number} The current framework ID. */\n    Picker.prototype._frameworkId = null;\n    /** @type {Number} The page context ID. */\n    Picker.prototype._pageContextId = null;\n    /** @type {Number} Relevant contexts inclusion. */\n    Picker.prototype._pageContextIncludes = null;\n    /** @type {Dialogue} The reference to the dialogue. */\n    Picker.prototype._popup = null;\n    /** @type {String} The string we filter the competencies with. */\n    Picker.prototype._searchText = '';\n    /** @type {Object} The competency that was selected. */\n    Picker.prototype._selectedCompetencies = null;\n    /** @type {Boolean} Whether we can browse frameworks or not. */\n    Picker.prototype._singleFramework = false;\n    /** @type {Boolean} Do we allow multi select? */\n    Picker.prototype._multiSelect = true;\n    /** @type {Boolean} Do we allow to display hidden framework? */\n    Picker.prototype._onlyVisible = true;\n\n    /**\n     * Hook to executed after the view is rendered.\n     *\n     * @method _afterRender\n     */\n    Picker.prototype._afterRender = function() {\n        var self = this;\n\n        // Initialise the tree.\n        var tree = new Tree(self._find('[data-enhance=linktree]'), self._multiSelect);\n\n        // To prevent jiggling we only show the tree after it is enhanced.\n        self._find('[data-enhance=linktree]').show();\n\n        tree.on('selectionchanged', function(evt, params) {\n            var selected = params.selected;\n            evt.preventDefault();\n            var validIds = [];\n            $.each(selected, function(index, item) {\n                var compId = $(item).data('id'),\n                    valid = true;\n\n                if (typeof compId === 'undefined') {\n                    // Do not allow picking nodes with no id.\n                    valid = false;\n                } else {\n                    $.each(self._disallowedCompetencyIDs, function(i, id) {\n                        if (id == compId) {\n                            valid = false;\n                        }\n                    });\n                }\n                if (valid) {\n                    validIds.push(compId);\n                }\n            });\n\n            self._selectedCompetencies = validIds;\n\n            // TODO Implement disabling of nodes in the tree module somehow.\n            if (!self._selectedCompetencies.length) {\n                self._find('[data-region=\"competencylinktree\"] [data-action=\"add\"]').attr('disabled', 'disabled');\n            } else {\n                self._find('[data-region=\"competencylinktree\"] [data-action=\"add\"]').removeAttr('disabled');\n            }\n        });\n\n        // Add listener for framework change.\n        if (!self._singleFramework) {\n            self._find('[data-action=\"chooseframework\"]').change(function(e) {\n                self._frameworkId = $(e.target).val();\n                self._loadCompetencies().then(self._refresh.bind(self)).catch(Notification.exception);\n            });\n        }\n\n        // Add listener for search.\n        self._find('[data-region=\"filtercompetencies\"] button').click(function(e) {\n            e.preventDefault();\n            $(e.target).attr('disabled', 'disabled');\n            self._searchText = self._find('[data-region=\"filtercompetencies\"] input').val() || '';\n            return self._refresh().always(function() {\n                $(e.target).removeAttr('disabled');\n            });\n        });\n\n        // Add listener for cancel.\n        self._find('[data-region=\"competencylinktree\"] [data-action=\"cancel\"]').click(function(e) {\n            e.preventDefault();\n            self.close();\n        });\n\n        // Add listener for add.\n        self._find('[data-region=\"competencylinktree\"] [data-action=\"add\"]').click(function(e) {\n            e.preventDefault();\n            var pendingPromise = new Pending();\n            if (!self._selectedCompetencies.length) {\n                return;\n            }\n\n            if (self._multiSelect) {\n                self._trigger('save', {competencyIds: self._selectedCompetencies});\n            } else {\n                // We checked above that the array has at least one value.\n                self._trigger('save', {competencyId: self._selectedCompetencies[0]});\n            }\n\n            // The dialogue here is a YUI dialogue and doesn't support Promises at all.\n            // However, it is typically synchronous so this shoudl suffice.\n            self.close();\n            pendingPromise.resolve();\n        });\n\n        // The list of selected competencies will be modified while looping (because of the listeners above).\n        var currentItems = self._selectedCompetencies.slice(0);\n\n        $.each(currentItems, function(index, id) {\n            var node = self._find('[data-id=' + id + ']');\n            if (node.length) {\n                tree.toggleItem(node);\n                tree.updateFocus(node);\n            }\n        });\n\n    };\n\n    /**\n     * Close the dialogue.\n     *\n     * @method close\n     */\n    Picker.prototype.close = function() {\n        var self = this;\n        self._popup.close();\n        self._reset();\n    };\n\n    /**\n     * Opens the picker.\n     *\n     * @method display\n     * @return {Promise}\n     */\n    Picker.prototype.display = function() {\n        var self = this;\n        return $.when(Str.get_string('competencypicker', 'tool_lp'), self._render())\n        .then(function(title, render) {\n            self._popup = new Dialogue(\n                title,\n                render[0],\n                self._afterRender.bind(self)\n            );\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the competencies.\n     *\n     * @param {Number} frameworkId The frameworkId.\n     * @param {String} searchText Limit the competencies to those matching the text.\n     * @method _fetchCompetencies\n     * @return {Promise}\n     */\n    Picker.prototype._fetchCompetencies = function(frameworkId, searchText) {\n        var self = this;\n\n        return Ajax.call([\n            {methodname: 'core_competency_search_competencies', args: {\n                searchtext: searchText,\n                competencyframeworkid: frameworkId\n            }}\n        ])[0].done(function(competencies) {\n          /**\n           * @param {Object} parent\n           * @param {Array} competencies\n           */\n            function addCompetencyChildren(parent, competencies) {\n                for (var i = 0; i < competencies.length; i++) {\n                    if (competencies[i].parentid == parent.id) {\n                        parent.haschildren = true;\n                        competencies[i].children = [];\n                        competencies[i].haschildren = false;\n                        parent.children[parent.children.length] = competencies[i];\n                        addCompetencyChildren(competencies[i], competencies);\n                    }\n                }\n            }\n\n            // Expand the list of competencies into a tree.\n            var i, comp;\n            var tree = [];\n            for (i = 0; i < competencies.length; i++) {\n                comp = competencies[i];\n                if (comp.parentid == \"0\") { // Loose check for now, because WS returns a string.\n                    comp.children = [];\n                    comp.haschildren = 0;\n                    tree[tree.length] = comp;\n                    addCompetencyChildren(comp, competencies);\n                }\n            }\n\n            self._competencies = tree;\n\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Find a node in the dialogue.\n     *\n     * @param {String} selector\n     * @return {JQuery}\n     * @method _find\n     */\n    Picker.prototype._find = function(selector) {\n        return $(this._popup.getContent()).find(selector);\n    };\n\n    /**\n     * Convenience method to get a framework object.\n     *\n     * @param {Number} fid The framework ID.\n     * @return {Object}\n     * @method _getFramework\n     */\n    Picker.prototype._getFramework = function(fid) {\n        var frm;\n        $.each(this._frameworks, function(i, f) {\n            if (f.id == fid) {\n                frm = f;\n                return;\n            }\n        });\n        return frm;\n    };\n\n    /**\n     * Load the competencies.\n     *\n     * @method _loadCompetencies\n     * @return {Promise}\n     */\n    Picker.prototype._loadCompetencies = function() {\n        return this._fetchCompetencies(this._frameworkId, this._searchText);\n    };\n\n    /**\n     * Load the frameworks.\n     *\n     * @method _loadFrameworks\n     * @return {Promise}\n     */\n    Picker.prototype._loadFrameworks = function() {\n        var promise,\n            self = this;\n\n        // Quit early because we already have the data.\n        if (self._frameworks.length > 0) {\n            return $.when();\n        }\n\n        if (self._singleFramework) {\n            promise = Ajax.call([\n                {methodname: 'core_competency_read_competency_framework', args: {\n                    id: this._frameworkId\n                }}\n            ])[0].then(function(framework) {\n                return [framework];\n            });\n        } else {\n            promise = Ajax.call([\n                {methodname: 'core_competency_list_competency_frameworks', args: {\n                    sort: 'shortname',\n                    context: {contextid: self._pageContextId},\n                    includes: self._pageContextIncludes,\n                    onlyvisible: self._onlyVisible\n                }}\n            ])[0];\n        }\n\n        return promise.done(function(frameworks) {\n            self._frameworks = frameworks;\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} type The event type.\n     * @param {Function} handler The event listener.\n     * @method on\n     */\n    Picker.prototype.on = function(type, handler) {\n        this._eventNode.on(type, handler);\n    };\n\n    /**\n     * Hook to executed before render.\n     *\n     * @method _preRender\n     * @return {Promise}\n     */\n    Picker.prototype._preRender = function() {\n        var self = this;\n        return self._loadFrameworks().then(function() {\n            if (!self._frameworkId && self._frameworks.length > 0) {\n                self._frameworkId = self._frameworks[0].id;\n            }\n\n            // We could not set a framework ID, that probably means there are no frameworks accessible.\n            if (!self._frameworkId) {\n                self._frameworks = [];\n                return $.when();\n            }\n\n            return self._loadCompetencies();\n        });\n    };\n\n    /**\n     * Refresh the view.\n     *\n     * @method _refresh\n     * @return {Promise}\n     */\n    Picker.prototype._refresh = function() {\n        var self = this;\n        return self._render().then(function(html) {\n            self._find('[data-region=\"competencylinktree\"]').replaceWith(html);\n            self._afterRender();\n            return;\n        });\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @return {Promise}\n     */\n    Picker.prototype._render = function() {\n        var self = this;\n        return self._preRender().then(function() {\n\n            if (!self._singleFramework) {\n                $.each(self._frameworks, function(i, framework) {\n                    if (framework.id == self._frameworkId) {\n                        framework.selected = true;\n                    } else {\n                        framework.selected = false;\n                    }\n                });\n            }\n\n            var context = {\n                competencies: self._competencies,\n                framework: self._getFramework(self._frameworkId),\n                frameworks: self._frameworks,\n                search: self._searchText,\n                singleFramework: self._singleFramework,\n            };\n\n            return Templates.render('tool_lp/competency_picker', context);\n        });\n    };\n\n    /**\n     * Reset the dialogue properties.\n     *\n     * This does not reset everything, just enough to reset the UI.\n     *\n     * @method _reset\n     */\n    Picker.prototype._reset = function() {\n        this._competencies = [];\n        this._disallowedCompetencyIDs = [];\n        this._popup = null;\n        this._searchText = '';\n        this._selectedCompetencies = [];\n    };\n\n    /**\n     * Set what competencies cannot be picked.\n     *\n     * This needs to be set after reset/close.\n     *\n     * @param {Number[]} ids The IDs.\n     * @method _setDisallowedCompetencyIDs\n     */\n    Picker.prototype.setDisallowedCompetencyIDs = function(ids) {\n        this._disallowedCompetencyIDs = ids;\n    };\n\n    /**\n     * Trigger an event.\n     *\n     * @param {String} type The type of event.\n     * @param {Object} data The data to pass to the listeners.\n     * @method _reset\n     */\n    Picker.prototype._trigger = function(type, data) {\n        this._eventNode.trigger(type, [data]);\n    };\n\n    return /** @alias module:tool_lp/competencypicker */ Picker;\n\n});\n"],"names":["define","$","Notification","Ajax","Templates","Dialogue","Str","Tree","Pending","Picker","pageContextId","singleFramework","pageContextIncludes","multiSelect","this","_eventNode","_frameworks","_reset","_pageContextId","_pageContextIncludes","_multiSelect","_frameworkId","_singleFramework","prototype","_competencies","_disallowedCompetencyIDs","_popup","_searchText","_selectedCompetencies","_onlyVisible","_afterRender","self","tree","_find","show","on","evt","params","selected","preventDefault","validIds","each","index","item","compId","data","valid","i","id","push","length","removeAttr","attr","change","e","target","val","_loadCompetencies","then","_refresh","bind","catch","exception","click","always","close","pendingPromise","_trigger","competencyIds","competencyId","resolve","currentItems","slice","node","toggleItem","updateFocus","display","when","get_string","_render","title","render","_fetchCompetencies","frameworkId","searchText","call","methodname","args","searchtext","competencyframeworkid","done","competencies","addCompetencyChildren","parent","parentid","haschildren","children","comp","fail","selector","getContent","find","_getFramework","fid","frm","f","_loadFrameworks","framework","sort","context","contextid","includes","onlyvisible","frameworks","type","handler","_preRender","html","replaceWith","search","setDisallowedCompetencyIDs","ids","trigger"],"mappings":";;;;;;;;;;;AA2BAA,kCAAO,CAAC,SACA,oBACA,YACA,iBACA,mBACA,WACA,eACA,iBAEA,SAASC,EAAGC,aAAcC,KAAMC,UAAWC,SAAUC,IAAKC,KAAMC,aAShEC,OAAS,SAASC,cAAeC,gBAAiBC,oBAAqBC,aAC5DC,KACNC,WAAad,EAAE,eADTa,KAENE,YAAc,GAFRF,KAGNG,SAHMH,KAKNI,eAAiBR,cALXI,KAMNK,qBAAuBP,qBAAuB,WANxCE,KAONM,kBAAuC,IAAhBP,cAA+C,IAAhBA,YACvDF,kBAROG,KASFO,aAAeV,gBATbG,KAUFQ,kBAAmB,WAKhCb,OAAOc,UAAUC,cAAgB,KAEjCf,OAAOc,UAAUE,yBAA2B,KAE5ChB,OAAOc,UAAUR,WAAa,KAE9BN,OAAOc,UAAUP,YAAc,KAE/BP,OAAOc,UAAUF,aAAe,KAEhCZ,OAAOc,UAAUL,eAAiB,KAElCT,OAAOc,UAAUJ,qBAAuB,KAExCV,OAAOc,UAAUG,OAAS,KAE1BjB,OAAOc,UAAUI,YAAc,GAE/BlB,OAAOc,UAAUK,sBAAwB,KAEzCnB,OAAOc,UAAUD,kBAAmB,EAEpCb,OAAOc,UAAUH,cAAe,EAEhCX,OAAOc,UAAUM,cAAe,EAOhCpB,OAAOc,UAAUO,aAAe,eACxBC,KAAOjB,KAGPkB,KAAO,IAAIzB,KAAKwB,KAAKE,MAAM,2BAA4BF,KAAKX,cAGhEW,KAAKE,MAAM,2BAA2BC,OAEtCF,KAAKG,GAAG,oBAAoB,SAASC,IAAKC,YAClCC,SAAWD,OAAOC,SACtBF,IAAIG,qBACAC,SAAW,GACfvC,EAAEwC,KAAKH,UAAU,SAASI,MAAOC,UACzBC,OAAS3C,EAAE0C,MAAME,KAAK,MACtBC,OAAQ,OAEU,IAAXF,OAEPE,OAAQ,EAER7C,EAAEwC,KAAKV,KAAKN,0BAA0B,SAASsB,EAAGC,IAC1CA,IAAMJ,SACNE,OAAQ,MAIhBA,OACAN,SAASS,KAAKL,WAItBb,KAAKH,sBAAwBY,SAGxBT,KAAKH,sBAAsBsB,OAG5BnB,KAAKE,MAAM,0DAA0DkB,WAAW,YAFhFpB,KAAKE,MAAM,0DAA0DmB,KAAK,WAAY,eAOzFrB,KAAKT,kBACNS,KAAKE,MAAM,mCAAmCoB,QAAO,SAASC,GAC1DvB,KAAKV,aAAepB,EAAEqD,EAAEC,QAAQC,MAChCzB,KAAK0B,oBAAoBC,KAAK3B,KAAK4B,SAASC,KAAK7B,OAAO8B,MAAM3D,aAAa4D,cAKnF/B,KAAKE,MAAM,6CAA6C8B,OAAM,SAAST,UACnEA,EAAEf,iBACFtC,EAAEqD,EAAEC,QAAQH,KAAK,WAAY,YAC7BrB,KAAKJ,YAAcI,KAAKE,MAAM,4CAA4CuB,OAAS,GAC5EzB,KAAK4B,WAAWK,QAAO,WAC1B/D,EAAEqD,EAAEC,QAAQJ,WAAW,kBAK/BpB,KAAKE,MAAM,6DAA6D8B,OAAM,SAAST,GACnFA,EAAEf,iBACFR,KAAKkC,WAITlC,KAAKE,MAAM,0DAA0D8B,OAAM,SAAST,GAChFA,EAAEf,qBACE2B,eAAiB,IAAI1D,QACpBuB,KAAKH,sBAAsBsB,SAI5BnB,KAAKX,aACLW,KAAKoC,SAAS,OAAQ,CAACC,cAAerC,KAAKH,wBAG3CG,KAAKoC,SAAS,OAAQ,CAACE,aAActC,KAAKH,sBAAsB,KAKpEG,KAAKkC,QACLC,eAAeI,kBAIfC,aAAexC,KAAKH,sBAAsB4C,MAAM,GAEpDvE,EAAEwC,KAAK8B,cAAc,SAAS7B,MAAOM,QAC7ByB,KAAO1C,KAAKE,MAAM,YAAce,GAAK,KACrCyB,KAAKvB,SACLlB,KAAK0C,WAAWD,MAChBzC,KAAK2C,YAAYF,WAW7BhE,OAAOc,UAAU0C,MAAQ,WACVnD,KACNY,OAAOuC,QADDnD,KAENG,UASTR,OAAOc,UAAUqD,QAAU,eACnB7C,KAAOjB,YACJb,EAAE4E,KAAKvE,IAAIwE,WAAW,mBAAoB,WAAY/C,KAAKgD,WACjErB,MAAK,SAASsB,MAAOC,QAClBlD,KAAKL,OAAS,IAAIrB,SACd2E,MACAC,OAAO,GACPlD,KAAKD,aAAa8B,KAAK7B,UAG5B8B,MAAM3D,aAAa4D,YAW1BrD,OAAOc,UAAU2D,mBAAqB,SAASC,YAAaC,gBACpDrD,KAAOjB,YAEJX,KAAKkF,KAAK,CACb,CAACC,WAAY,sCAAuCC,KAAM,CACtDC,WAAYJ,WACZK,sBAAuBN,gBAE5B,GAAGO,MAAK,SAASC,uBAKPC,sBAAsBC,OAAQF,kBAC9B,IAAI5C,EAAI,EAAGA,EAAI4C,aAAazC,OAAQH,IACjC4C,aAAa5C,GAAG+C,UAAYD,OAAO7C,KACnC6C,OAAOE,aAAc,EACrBJ,aAAa5C,GAAGiD,SAAW,GAC3BL,aAAa5C,GAAGgD,aAAc,EAC9BF,OAAOG,SAASH,OAAOG,SAAS9C,QAAUyC,aAAa5C,GACvD6C,sBAAsBD,aAAa5C,GAAI4C,mBAM/C5C,EAAGkD,KACHjE,KAAO,OACNe,EAAI,EAAGA,EAAI4C,aAAazC,OAAQH,IAEZ,MADrBkD,KAAON,aAAa5C,IACX+C,WACLG,KAAKD,SAAW,GAChBC,KAAKF,YAAc,EACnB/D,KAAKA,KAAKkB,QAAU+C,KACpBL,sBAAsBK,KAAMN,eAIpC5D,KAAKP,cAAgBQ,QAEtBkE,KAAKhG,aAAa4D,YAUzBrD,OAAOc,UAAUU,MAAQ,SAASkE,iBACvBlG,EAAEa,KAAKY,OAAO0E,cAAcC,KAAKF,WAU5C1F,OAAOc,UAAU+E,cAAgB,SAASC,SAClCC,WACJvG,EAAEwC,KAAK3B,KAAKE,aAAa,SAAS+B,EAAG0D,GAC7BA,EAAEzD,IAAMuD,MACRC,IAAMC,MAIPD,KASX/F,OAAOc,UAAUkC,kBAAoB,kBAC1B3C,KAAKoE,mBAAmBpE,KAAKO,aAAcP,KAAKa,cAS3DlB,OAAOc,UAAUmF,gBAAkB,eAE3B3E,KAAOjB,YAGPiB,KAAKf,YAAYkC,OAAS,EACnBjD,EAAE4E,QAGT9C,KAAKT,iBACKnB,KAAKkF,KAAK,CAChB,CAACC,WAAY,4CAA6CC,KAAM,CAC5DvC,GAAIlC,KAAKO,iBAEd,GAAGqC,MAAK,SAASiD,iBACT,CAACA,cAGFxG,KAAKkF,KAAK,CAChB,CAACC,WAAY,6CAA8CC,KAAM,CAC7DqB,KAAM,YACNC,QAAS,CAACC,UAAW/E,KAAKb,gBAC1B6F,SAAUhF,KAAKZ,qBACf6F,YAAajF,KAAKF,iBAEvB,IAGQ6D,MAAK,SAASuB,YACzBlF,KAAKf,YAAciG,cACpBf,KAAKhG,aAAa4D,YAUz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\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencypicker_user_plans.min.js b/admin/tool/lp/amd/build/competencypicker_user_plans.min.js
index 460dd5cb7ad..d2fb5c9d421 100644
--- a/admin/tool/lp/amd/build/competencypicker_user_plans.min.js
+++ b/admin/tool/lp/amd/build/competencypicker_user_plans.min.js
@@ -1,2 +1,15 @@
-define ("tool_lp/competencypicker_user_plans",["jquery","core/notification","core/ajax","core/templates","core/str","tool_lp/tree","tool_lp/competencypicker"],function(a,b,c,d,e,f,g){var h=function(a,b,c){g.prototype.constructor.apply(this,[1,!1,"self",c]);this._userId=a;this._plans=[];if(b){this._planId=b;this._singlePlan=!0}};h.prototype=Object.create(g.prototype);h.prototype._plans=null;h.prototype._planId=null;h.prototype._singlePlan=!1;h.prototype._userId=null;h.prototype._afterRender=function(){var c=this;g.prototype._afterRender.apply(c,arguments);if(!c._singlePlan){c._find("[data-action=\"chooseplan\"]").change(function(d){c._planId=a(d.target).val();c._loadCompetencies().then(c._refresh.bind(c)).catch(b.exception)})}};h.prototype._fetchCompetencies=function(a,d){var e=this;return c.call([{methodname:"core_competency_list_plan_competencies",args:{id:a}}])[0].done(function(a){var b,c,f=[];for(b=0;b<a.length;b++){c=a[b].competency;if(0>c.shortname.toLowerCase().indexOf(d.toLowerCase())){continue}c.children=[];c.haschildren=0;f.push(c)}e._competencies=f}).fail(b.exception)};h.prototype._getPlan=function(b){var c;a.each(this._plans,function(a,d){if(d.id==b){c=d}});return c};h.prototype._loadCompetencies=function(){return this._fetchCompetencies(this._planId,this._searchText)};h.prototype._loadPlans=function(){var d,e=this;if(0<e._plans.length){return a.when()}if(e._singlePlan){d=c.call([{methodname:"core_competency_read_plan",args:{id:this._planId}}])[0].then(function(a){return[a]})}else{d=c.call([{methodname:"core_competency_list_user_plans",args:{userid:e._userId}}])[0]}return d.done(function(a){e._plans=a}).fail(b.exception)};h.prototype._preRender=function(){var b=this;return b._loadPlans().then(function(){if(!b._planId&&0<b._plans.length){b._planId=b._plans[0].id}if(!b._planId){b._plans=[];return a.when()}return b._loadCompetencies()})};h.prototype._render=function(){var b=this;return b._preRender().then(function(){if(!b._singlePlan){a.each(b._plans,function(a,c){if(c.id==b._planId){c.selected=!0}else{c.selected=!1}})}var c={competencies:b._competencies,plan:b._getPlan(b._planId),plans:b._plans,search:b._searchText,singlePlan:b._singlePlan};return d.render("tool_lp/competency_picker_user_plans",c)})};return h});
-//# sourceMappingURL=competencypicker_user_plans.min.js.map
+/**
+ * Competency picker from user plans.
+ *
+ * To handle 'save' events use: picker.on('save').
+ *
+ * This will receive a object with either a single 'competencyId', or an array in 'competencyIds'
+ * depending on the value of multiSelect.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competencypicker_user_plans",["jquery","core/notification","core/ajax","core/templates","core/str","tool_lp/tree","tool_lp/competencypicker"],(function($,Notification,Ajax,Templates,Str,Tree,PickerBase){var Picker=function(userId,singlePlan,multiSelect){PickerBase.prototype.constructor.apply(this,[1,!1,"self",multiSelect]),this._userId=userId,this._plans=[],singlePlan&&(this._planId=singlePlan,this._singlePlan=!0)};return(Picker.prototype=Object.create(PickerBase.prototype))._plans=null,Picker.prototype._planId=null,Picker.prototype._singlePlan=!1,Picker.prototype._userId=null,Picker.prototype._afterRender=function(){var self=this;PickerBase.prototype._afterRender.apply(self,arguments),self._singlePlan||self._find('[data-action="chooseplan"]').change((function(e){self._planId=$(e.target).val(),self._loadCompetencies().then(self._refresh.bind(self)).catch(Notification.exception)}))},Picker.prototype._fetchCompetencies=function(planId,searchText){var self=this;return Ajax.call([{methodname:"core_competency_list_plan_competencies",args:{id:planId}}])[0].done((function(competencies){var i,comp,tree=[];for(i=0;i<competencies.length;i++)(comp=competencies[i].competency).shortname.toLowerCase().indexOf(searchText.toLowerCase())<0||(comp.children=[],comp.haschildren=0,tree.push(comp));self._competencies=tree})).fail(Notification.exception)},Picker.prototype._getPlan=function(id){var plan;return $.each(this._plans,(function(i,f){f.id!=id||(plan=f)})),plan},Picker.prototype._loadCompetencies=function(){return this._fetchCompetencies(this._planId,this._searchText)},Picker.prototype._loadPlans=function(){var self=this;return self._plans.length>0?$.when():(self._singlePlan?Ajax.call([{methodname:"core_competency_read_plan",args:{id:this._planId}}])[0].then((function(plan){return[plan]})):Ajax.call([{methodname:"core_competency_list_user_plans",args:{userid:self._userId}}])[0]).done((function(plans){self._plans=plans})).fail(Notification.exception)},Picker.prototype._preRender=function(){var self=this;return self._loadPlans().then((function(){return!self._planId&&self._plans.length>0&&(self._planId=self._plans[0].id),self._planId?self._loadCompetencies():(self._plans=[],$.when())}))},Picker.prototype._render=function(){var self=this;return self._preRender().then((function(){self._singlePlan||$.each(self._plans,(function(i,plan){plan.id==self._planId?plan.selected=!0:plan.selected=!1}));var context={competencies:self._competencies,plan:self._getPlan(self._planId),plans:self._plans,search:self._searchText,singlePlan:self._singlePlan};return Templates.render("tool_lp/competency_picker_user_plans",context)}))},Picker}));
+
+//# sourceMappingURL=competencypicker_user_plans.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencypicker_user_plans.min.js.map b/admin/tool/lp/amd/build/competencypicker_user_plans.min.js.map
index ba55e4a90ff..7f005274b50 100644
--- a/admin/tool/lp/amd/build/competencypicker_user_plans.min.js.map
+++ b/admin/tool/lp/amd/build/competencypicker_user_plans.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency picker from user plans.\n *\n * To handle 'save' events use: picker.on('save').\n *\n * This will receive a object with either a single 'competencyId', or an array in 'competencyIds'\n * depending on the value of multiSelect.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'core/str',\n        'tool_lp/tree',\n        'tool_lp/competencypicker'\n        ],\n        function($, Notification, Ajax, Templates, Str, Tree, PickerBase) {\n\n    /**\n     * Competency picker in plan class.\n     *\n     * @param {Number} userId\n     * @param {Number|false} singlePlan The ID of the plan when limited to one.\n     * @param {Boolean} multiSelect Support multi-select in the tree.\n     */\n    var Picker = function(userId, singlePlan, multiSelect) {\n        PickerBase.prototype.constructor.apply(this, [1, false, 'self', multiSelect]);\n        this._userId = userId;\n        this._plans = [];\n\n        if (singlePlan) {\n            this._planId = singlePlan;\n            this._singlePlan = true;\n        }\n    };\n    Picker.prototype = Object.create(PickerBase.prototype);\n\n    /** @type {Array} The list of plans fetched. */\n    Picker.prototype._plans = null;\n    /** @type {Number} The current plan ID. */\n    Picker.prototype._planId = null;\n    /** @type {Boolean} Whether we can browse plans or not. */\n    Picker.prototype._singlePlan = false;\n    /** @type {Number} The user the plans belongs to. */\n    Picker.prototype._userId = null;\n\n    /**\n     * Hook to executed after the view is rendered.\n     *\n     * @method _afterRender\n     */\n    Picker.prototype._afterRender = function() {\n        var self = this;\n        PickerBase.prototype._afterRender.apply(self, arguments);\n\n        // Add listener for framework change.\n        if (!self._singlePlan) {\n            self._find('[data-action=\"chooseplan\"]').change(function(e) {\n                self._planId = $(e.target).val();\n                self._loadCompetencies().then(self._refresh.bind(self))\n                .catch(Notification.exception);\n            });\n        }\n    };\n\n    /**\n     * Fetch the competencies.\n     *\n     * @param {Number} planId The planId.\n     * @param {String} searchText Limit the competencies to those matching the text.\n     * @method _fetchCompetencies\n     * @return {Promise} The promise object.\n     */\n    Picker.prototype._fetchCompetencies = function(planId, searchText) {\n        var self = this;\n\n        return Ajax.call([\n            {methodname: 'core_competency_list_plan_competencies', args: {\n                id: planId\n            }}\n        ])[0].done(function(competencies) {\n\n            // Expand the list of competencies into a fake tree.\n            var i, comp;\n            var tree = [];\n            for (i = 0; i < competencies.length; i++) {\n                comp = competencies[i].competency;\n                if (comp.shortname.toLowerCase().indexOf(searchText.toLowerCase()) < 0) {\n                    continue;\n                }\n                comp.children = [];\n                comp.haschildren = 0;\n                tree.push(comp);\n            }\n\n            self._competencies = tree;\n\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Convenience method to get a plan object.\n     *\n     * @param {Number} id The plan ID.\n     * @return {Object|undefined} The plan.\n     * @method _getPlan\n     */\n    Picker.prototype._getPlan = function(id) {\n        var plan;\n        $.each(this._plans, function(i, f) {\n            if (f.id == id) {\n                plan = f;\n                return;\n            }\n        });\n        return plan;\n    };\n\n    /**\n     * Load the competencies.\n     *\n     * @method _loadCompetencies\n     * @return {Promise}\n     */\n    Picker.prototype._loadCompetencies = function() {\n        return this._fetchCompetencies(this._planId, this._searchText);\n    };\n\n    /**\n     * Load the plans.\n     *\n     * @method _loadPlans\n     * @return {Promise}\n     */\n    Picker.prototype._loadPlans = function() {\n        var promise,\n            self = this;\n\n        // Quit early because we already have the data.\n        if (self._plans.length > 0) {\n            return $.when();\n        }\n\n        if (self._singlePlan) {\n            promise = Ajax.call([\n                {methodname: 'core_competency_read_plan', args: {\n                    id: this._planId\n                }}\n            ])[0].then(function(plan) {\n                return [plan];\n            });\n        } else {\n            promise = Ajax.call([\n                {methodname: 'core_competency_list_user_plans', args: {\n                    userid: self._userId\n                }}\n            ])[0];\n        }\n\n        return promise.done(function(plans) {\n            self._plans = plans;\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Hook to executed before render.\n     *\n     * @method _preRender\n     * @return {Promise}\n     */\n    Picker.prototype._preRender = function() {\n        var self = this;\n        return self._loadPlans().then(function() {\n            if (!self._planId && self._plans.length > 0) {\n                self._planId = self._plans[0].id;\n            }\n\n            // We could not set a framework ID, that probably means there are no frameworks accessible.\n            if (!self._planId) {\n                self._plans = [];\n                return $.when();\n            }\n\n            return self._loadCompetencies();\n        });\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @return {Promise}\n     */\n    Picker.prototype._render = function() {\n        var self = this;\n        return self._preRender().then(function() {\n\n            if (!self._singlePlan) {\n                $.each(self._plans, function(i, plan) {\n                    if (plan.id == self._planId) {\n                        plan.selected = true;\n                    } else {\n                        plan.selected = false;\n                    }\n                });\n            }\n\n            var context = {\n                competencies: self._competencies,\n                plan: self._getPlan(self._planId),\n                plans: self._plans,\n                search: self._searchText,\n                singlePlan: self._singlePlan,\n            };\n\n            return Templates.render('tool_lp/competency_picker_user_plans', context);\n        });\n    };\n\n    return /** @alias module:tool_lp/competencypicker_user_plans */ Picker;\n\n});\n"],"file":"competencypicker_user_plans.min.js"}
\ No newline at end of file
+{"version":3,"file":"competencypicker_user_plans.min.js","sources":["../src/competencypicker_user_plans.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency picker from user plans.\n *\n * To handle 'save' events use: picker.on('save').\n *\n * This will receive a object with either a single 'competencyId', or an array in 'competencyIds'\n * depending on the value of multiSelect.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/templates',\n        'core/str',\n        'tool_lp/tree',\n        'tool_lp/competencypicker'\n        ],\n        function($, Notification, Ajax, Templates, Str, Tree, PickerBase) {\n\n    /**\n     * Competency picker in plan class.\n     *\n     * @param {Number} userId\n     * @param {Number|false} singlePlan The ID of the plan when limited to one.\n     * @param {Boolean} multiSelect Support multi-select in the tree.\n     */\n    var Picker = function(userId, singlePlan, multiSelect) {\n        PickerBase.prototype.constructor.apply(this, [1, false, 'self', multiSelect]);\n        this._userId = userId;\n        this._plans = [];\n\n        if (singlePlan) {\n            this._planId = singlePlan;\n            this._singlePlan = true;\n        }\n    };\n    Picker.prototype = Object.create(PickerBase.prototype);\n\n    /** @type {Array} The list of plans fetched. */\n    Picker.prototype._plans = null;\n    /** @type {Number} The current plan ID. */\n    Picker.prototype._planId = null;\n    /** @type {Boolean} Whether we can browse plans or not. */\n    Picker.prototype._singlePlan = false;\n    /** @type {Number} The user the plans belongs to. */\n    Picker.prototype._userId = null;\n\n    /**\n     * Hook to executed after the view is rendered.\n     *\n     * @method _afterRender\n     */\n    Picker.prototype._afterRender = function() {\n        var self = this;\n        PickerBase.prototype._afterRender.apply(self, arguments);\n\n        // Add listener for framework change.\n        if (!self._singlePlan) {\n            self._find('[data-action=\"chooseplan\"]').change(function(e) {\n                self._planId = $(e.target).val();\n                self._loadCompetencies().then(self._refresh.bind(self))\n                .catch(Notification.exception);\n            });\n        }\n    };\n\n    /**\n     * Fetch the competencies.\n     *\n     * @param {Number} planId The planId.\n     * @param {String} searchText Limit the competencies to those matching the text.\n     * @method _fetchCompetencies\n     * @return {Promise} The promise object.\n     */\n    Picker.prototype._fetchCompetencies = function(planId, searchText) {\n        var self = this;\n\n        return Ajax.call([\n            {methodname: 'core_competency_list_plan_competencies', args: {\n                id: planId\n            }}\n        ])[0].done(function(competencies) {\n\n            // Expand the list of competencies into a fake tree.\n            var i, comp;\n            var tree = [];\n            for (i = 0; i < competencies.length; i++) {\n                comp = competencies[i].competency;\n                if (comp.shortname.toLowerCase().indexOf(searchText.toLowerCase()) < 0) {\n                    continue;\n                }\n                comp.children = [];\n                comp.haschildren = 0;\n                tree.push(comp);\n            }\n\n            self._competencies = tree;\n\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Convenience method to get a plan object.\n     *\n     * @param {Number} id The plan ID.\n     * @return {Object|undefined} The plan.\n     * @method _getPlan\n     */\n    Picker.prototype._getPlan = function(id) {\n        var plan;\n        $.each(this._plans, function(i, f) {\n            if (f.id == id) {\n                plan = f;\n                return;\n            }\n        });\n        return plan;\n    };\n\n    /**\n     * Load the competencies.\n     *\n     * @method _loadCompetencies\n     * @return {Promise}\n     */\n    Picker.prototype._loadCompetencies = function() {\n        return this._fetchCompetencies(this._planId, this._searchText);\n    };\n\n    /**\n     * Load the plans.\n     *\n     * @method _loadPlans\n     * @return {Promise}\n     */\n    Picker.prototype._loadPlans = function() {\n        var promise,\n            self = this;\n\n        // Quit early because we already have the data.\n        if (self._plans.length > 0) {\n            return $.when();\n        }\n\n        if (self._singlePlan) {\n            promise = Ajax.call([\n                {methodname: 'core_competency_read_plan', args: {\n                    id: this._planId\n                }}\n            ])[0].then(function(plan) {\n                return [plan];\n            });\n        } else {\n            promise = Ajax.call([\n                {methodname: 'core_competency_list_user_plans', args: {\n                    userid: self._userId\n                }}\n            ])[0];\n        }\n\n        return promise.done(function(plans) {\n            self._plans = plans;\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Hook to executed before render.\n     *\n     * @method _preRender\n     * @return {Promise}\n     */\n    Picker.prototype._preRender = function() {\n        var self = this;\n        return self._loadPlans().then(function() {\n            if (!self._planId && self._plans.length > 0) {\n                self._planId = self._plans[0].id;\n            }\n\n            // We could not set a framework ID, that probably means there are no frameworks accessible.\n            if (!self._planId) {\n                self._plans = [];\n                return $.when();\n            }\n\n            return self._loadCompetencies();\n        });\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @return {Promise}\n     */\n    Picker.prototype._render = function() {\n        var self = this;\n        return self._preRender().then(function() {\n\n            if (!self._singlePlan) {\n                $.each(self._plans, function(i, plan) {\n                    if (plan.id == self._planId) {\n                        plan.selected = true;\n                    } else {\n                        plan.selected = false;\n                    }\n                });\n            }\n\n            var context = {\n                competencies: self._competencies,\n                plan: self._getPlan(self._planId),\n                plans: self._plans,\n                search: self._searchText,\n                singlePlan: self._singlePlan,\n            };\n\n            return Templates.render('tool_lp/competency_picker_user_plans', context);\n        });\n    };\n\n    return /** @alias module:tool_lp/competencypicker_user_plans */ 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diff --git a/admin/tool/lp/amd/build/competencyruleconfig.min.js b/admin/tool/lp/amd/build/competencyruleconfig.min.js
index d52ffcb4aec..05c0d7571d1 100644
--- a/admin/tool/lp/amd/build/competencyruleconfig.min.js
+++ b/admin/tool/lp/amd/build/competencyruleconfig.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/competencyruleconfig",["jquery","core/notification","core/templates","tool_lp/dialogue","tool_lp/competency_outcomes","core/str"],function(a,b,c,d,e,f){var g=function(b,c){this._eventNode=a("<div></div>");this._tree=b;this._rulesModules=c;this._setUp()};g.prototype._competency=null;g.prototype._eventNode=null;g.prototype._outcomesOption=null;g.prototype._popup=null;g.prototype._ready=null;g.prototype._rules=null;g.prototype._rulesModules=null;g.prototype._tree=null;g.prototype._afterChange=function(){if(!this._isValid()){this._find("[data-action=\"save\"]").prop("disabled",!0)}else{this._find("[data-action=\"save\"]").prop("disabled",!1)}};g.prototype._afterRuleConfigChange=function(a,b){if(b!=this._getRule()){return}this._afterChange()};g.prototype._afterRender=function(){var a=this;a._find("[name=\"outcome\"]").on("change",function(){a._switchedOutcome()}).trigger("change");a._find("[name=\"rule\"]").on("change",function(){a._switchedRule()}).trigger("change");a._find("[data-action=\"save\"]").on("click",function(){a._trigger("save",a._getConfig());a.close()});a._find("[data-action=\"cancel\"]").on("click",function(){a.close()})};g.prototype.canBeConfigured=function(){var b=!1;a.each(this._rules,function(a,c){if(c.canConfig()){b=!0}});return b};g.prototype.close=function(){this._popup.close();this._popup=null};g.prototype.display=function(){var c=this;if(!c._competency){return!1}return a.when(f.get_string("competencyrule","tool_lp"),c._render()).then(function(a,b){c._popup=new d(a,b[0],c._afterRender.bind(c))}).fail(b.exception)};g.prototype._find=function(b){return a(this._popup.getContent()).find(b)};g.prototype._getApplicableOutcomesOptions=function(){var b=this,c=[];a.each(b._outcomesOption,function(a,d){c.push({code:d.code,name:d.name,selected:d.code==b._competency.ruleoutcome?!0:!1})});return c};g.prototype._getApplicableRulesOptions=function(){var b=this,c=[];a.each(b._rules,function(a,d){if(!d.canConfig()){return}c.push({name:b._getRuleName(d.getType()),type:d.getType(),selected:d.getType()==b._competency.ruletype?!0:!1})});return c};g.prototype._getConfig=function(){var a=this._getRule();return{ruletype:a?a.getType():null,ruleconfig:a?a.getConfig():null,ruleoutcome:this._getOutcome()}};g.prototype._getOutcome=function(){return this._find("[name=\"outcome\"]").val()};g.prototype._getRule=function(){var b,c=this._find("[name=\"rule\"]").val();a.each(this._rules,function(a,d){if(d.getType()==c){b=d}});return b};g.prototype._getRuleName=function(b){var c=this,d;a.each(c._rulesModules,function(a,c){if(c.type==b){d=c.name}});return d};g.prototype._initOutcomes=function(){var a=this;return e.getAll().then(function(b){a._outcomesOption=b})};g.prototype._initRules=function(){var b=this,c=[];a.each(b._rules,function(d,e){var f=e.init().then(function(){e.setTargetCompetency(b._competency);e.on("change",b._afterRuleConfigChange.bind(b))},function(){b._rules.splice(d,1);return a.when()});c.push(f)});return a.when.apply(a.when,c)};g.prototype._isValid=function(){var a=this._getOutcome(),b=this._getRule();if(a==e.NONE){return!0}else if(!b){return!1}return b.isValid()};g.prototype.on=function(a,b){this._eventNode.on(a,b)};g.prototype._preRender=function(){return this.ready()};g.prototype.ready=function(){return this._ready.promise()};g.prototype._render=function(){var a=this;return this._preRender().then(function(){var b;if(!a.canBeConfigured()){b=!1}else{b={};b.outcomes=a._getApplicableOutcomesOptions();b.rules=a._getApplicableRulesOptions()}var d={competencyshortname:a._competency.shortname,config:b};return c.render("tool_lp/competency_rule_config",d)})};g.prototype.setTargetCompetencyId=function(b){var c=this;c._competency=c._tree.getCompetency(b);a.each(c._rules,function(a,b){b.setTargetCompetency(c._competency)})};g.prototype._setUp=function(){var b=this,c=[],d=[];b._ready=a.Deferred();b._rules=[];a.each(b._rulesModules,function(a,b){d.push(b.amd)});require(d,function(){a.each(arguments,function(a,c){var d=new c(b._tree);b._rules.push(d)});c.push(b._initRules());c.push(b._initOutcomes());a.when.apply(a.when,c).always(function(){b._ready.resolve()})})};g.prototype._switchedOutcome=function(){var a=this,b=a._getOutcome();if(b==e.NONE){a._find("[data-region=\"rule-type\"]").hide().find("[name=\"rule\"]").val(-1);a._find("[data-region=\"rule-config\"]").empty().hide();a._afterChange();return}a._find("[data-region=\"rule-type\"]").show();a._find("[data-region=\"rule-config\"]").show();a._afterChange()};g.prototype._switchedRule=function(){var a=this,b=a._find("[data-region=\"rule-config\"]"),c=a._getRule();if(!c){b.empty().hide();a._afterChange();return}c.injectTemplate(b).then(function(){b.show()}).always(function(){a._afterChange()}).catch(function(){b.empty().hide()})};g.prototype._trigger=function(a,b){this._eventNode.trigger(a,[b])};return g});
-//# sourceMappingURL=competencyruleconfig.min.js.map
+/**
+ * Competency rule config.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competencyruleconfig",["jquery","core/notification","core/templates","tool_lp/dialogue","tool_lp/competency_outcomes","core/str"],(function($,Notification,Templates,Dialogue,Outcomes,Str){var RuleConfig=function(tree,rulesModules){this._eventNode=$("<div></div>"),this._tree=tree,this._rulesModules=rulesModules,this._setUp()};return RuleConfig.prototype._competency=null,RuleConfig.prototype._eventNode=null,RuleConfig.prototype._outcomesOption=null,RuleConfig.prototype._popup=null,RuleConfig.prototype._ready=null,RuleConfig.prototype._rules=null,RuleConfig.prototype._rulesModules=null,RuleConfig.prototype._tree=null,RuleConfig.prototype._afterChange=function(){this._isValid()?this._find('[data-action="save"]').prop("disabled",!1):this._find('[data-action="save"]').prop("disabled",!0)},RuleConfig.prototype._afterRuleConfigChange=function(e,rule){rule==this._getRule()&&this._afterChange()},RuleConfig.prototype._afterRender=function(){var self=this;self._find('[name="outcome"]').on("change",(function(){self._switchedOutcome()})).trigger("change"),self._find('[name="rule"]').on("change",(function(){self._switchedRule()})).trigger("change"),self._find('[data-action="save"]').on("click",(function(){self._trigger("save",self._getConfig()),self.close()})),self._find('[data-action="cancel"]').on("click",(function(){self.close()}))},RuleConfig.prototype.canBeConfigured=function(){var can=!1;return $.each(this._rules,(function(index,rule){rule.canConfig()&&(can=!0)})),can},RuleConfig.prototype.close=function(){this._popup.close(),this._popup=null},RuleConfig.prototype.display=function(){var self=this;return!!self._competency&&$.when(Str.get_string("competencyrule","tool_lp"),self._render()).then((function(title,render){self._popup=new Dialogue(title,render[0],self._afterRender.bind(self))})).fail(Notification.exception)},RuleConfig.prototype._find=function(selector){return $(this._popup.getContent()).find(selector)},RuleConfig.prototype._getApplicableOutcomesOptions=function(){var self=this,options=[];return $.each(self._outcomesOption,(function(index,outcome){options.push({code:outcome.code,name:outcome.name,selected:outcome.code==self._competency.ruleoutcome})})),options},RuleConfig.prototype._getApplicableRulesOptions=function(){var self=this,options=[];return $.each(self._rules,(function(index,rule){rule.canConfig()&&options.push({name:self._getRuleName(rule.getType()),type:rule.getType(),selected:rule.getType()==self._competency.ruletype})})),options},RuleConfig.prototype._getConfig=function(){var rule=this._getRule();return{ruletype:rule?rule.getType():null,ruleconfig:rule?rule.getConfig():null,ruleoutcome:this._getOutcome()}},RuleConfig.prototype._getOutcome=function(){return this._find('[name="outcome"]').val()},RuleConfig.prototype._getRule=function(){var result,type=this._find('[name="rule"]').val();return $.each(this._rules,(function(index,rule){rule.getType()!=type||(result=rule)})),result},RuleConfig.prototype._getRuleName=function(type){var name;return $.each(this._rulesModules,(function(index,modInfo){modInfo.type!=type||(name=modInfo.name)})),name},RuleConfig.prototype._initOutcomes=function(){var self=this;return Outcomes.getAll().then((function(outcomes){self._outcomesOption=outcomes}))},RuleConfig.prototype._initRules=function(){var self=this,promises=[];return $.each(self._rules,(function(index,rule){var promise=rule.init().then((function(){rule.setTargetCompetency(self._competency),rule.on("change",self._afterRuleConfigChange.bind(self))}),(function(){return self._rules.splice(index,1),$.when()}));promises.push(promise)})),$.when.apply($.when,promises)},RuleConfig.prototype._isValid=function(){var outcome=this._getOutcome(),rule=this._getRule();return outcome==Outcomes.NONE||!!rule&&rule.isValid()},RuleConfig.prototype.on=function(type,handler){this._eventNode.on(type,handler)},RuleConfig.prototype._preRender=function(){return this.ready()},RuleConfig.prototype.ready=function(){return this._ready.promise()},RuleConfig.prototype._render=function(){var self=this;return this._preRender().then((function(){var config;self.canBeConfigured()?((config={}).outcomes=self._getApplicableOutcomesOptions(),config.rules=self._getApplicableRulesOptions()):config=!1;var context={competencyshortname:self._competency.shortname,config:config};return Templates.render("tool_lp/competency_rule_config",context)}))},RuleConfig.prototype.setTargetCompetencyId=function(competencyId){var self=this;self._competency=self._tree.getCompetency(competencyId),$.each(self._rules,(function(index,rule){rule.setTargetCompetency(self._competency)}))},RuleConfig.prototype._setUp=function(){var self=this,promises=[],modules=[];self._ready=$.Deferred(),self._rules=[],$.each(self._rulesModules,(function(index,rule){modules.push(rule.amd)})),require(modules,(function(){$.each(arguments,(function(index,Module){var rule=new Module(self._tree);self._rules.push(rule)})),promises.push(self._initRules()),promises.push(self._initOutcomes()),$.when.apply($.when,promises).always((function(){self._ready.resolve()}))}))},RuleConfig.prototype._switchedOutcome=function(){if(this._getOutcome()==Outcomes.NONE)return this._find('[data-region="rule-type"]').hide().find('[name="rule"]').val(-1),this._find('[data-region="rule-config"]').empty().hide(),void this._afterChange();this._find('[data-region="rule-type"]').show(),this._find('[data-region="rule-config"]').show(),this._afterChange()},RuleConfig.prototype._switchedRule=function(){var self=this,container=self._find('[data-region="rule-config"]'),rule=self._getRule();if(!rule)return container.empty().hide(),void self._afterChange();rule.injectTemplate(container).then((function(){container.show()})).always((function(){self._afterChange()})).catch((function(){container.empty().hide()}))},RuleConfig.prototype._trigger=function(type,data){this._eventNode.trigger(type,[data])},RuleConfig}));
+
+//# sourceMappingURL=competencyruleconfig.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencyruleconfig.min.js.map b/admin/tool/lp/amd/build/competencyruleconfig.min.js.map
index 71363470286..d3c84e058fe 100644
--- a/admin/tool/lp/amd/build/competencyruleconfig.min.js.map
+++ b/admin/tool/lp/amd/build/competencyruleconfig.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule config.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/templates',\n        'tool_lp/dialogue',\n        'tool_lp/competency_outcomes',\n        'core/str'],\n        function($, Notification, Templates, Dialogue, Outcomes, Str) {\n\n    /**\n     * Competency rule class.\n     *\n     * When implementing this you should attach a listener to the event 'save'\n     * on the instance. E.g.\n     *\n     * var config = new RuleConfig(tree, modules);\n     * config.on('save', function(e, config) { ... });\n     *\n     * @param {competencytree} tree The competency tree.\n     * @param {Array} rulesModules The modules containing the rules: [{ typeName: { amd: amdModule, name: ruleName }}].\n     */\n    var RuleConfig = function(tree, rulesModules) {\n        this._eventNode = $('<div></div>');\n        this._tree = tree;\n        this._rulesModules = rulesModules;\n        this._setUp();\n    };\n\n    /** @type {Object} The current competency. */\n    RuleConfig.prototype._competency = null;\n    /** @type {Node} The node we attach the events to. */\n    RuleConfig.prototype._eventNode = null;\n    /** @type {Array} Outcomes options. */\n    RuleConfig.prototype._outcomesOption = null;\n    /** @type {Dialogue} The dialogue. */\n    RuleConfig.prototype._popup = null;\n    /** @type {Promise} Resolved when the module is ready. */\n    RuleConfig.prototype._ready = null;\n    /** @type {Array} The rules. */\n    RuleConfig.prototype._rules = null;\n    /** @type {Array} The rules modules. */\n    RuleConfig.prototype._rulesModules = null;\n    /** @type {competencytree} The competency tree. */\n    RuleConfig.prototype._tree = null;\n\n    /**\n     * After change.\n     *\n     * Triggered when a change occured.\n     *\n     * @method _afterChange\n     * @protected\n     */\n    RuleConfig.prototype._afterChange = function() {\n        if (!this._isValid()) {\n            this._find('[data-action=\"save\"]').prop('disabled', true);\n        } else {\n            this._find('[data-action=\"save\"]').prop('disabled', false);\n        }\n    };\n\n    /**\n     * After change in rule's config.\n     *\n     * Triggered when a change occured in a specific rule config.\n     *\n     * @method _afterRuleConfigChange\n     * @protected\n     * @param {Event} e\n     * @param {Rule} rule\n     */\n    RuleConfig.prototype._afterRuleConfigChange = function(e, rule) {\n        if (rule != this._getRule()) {\n            // This rule is not the current one any more, we can ignore.\n            return;\n        }\n        this._afterChange();\n    };\n\n    /**\n     * After render hook.\n     *\n     * @method _afterRender\n     * @protected\n     */\n    RuleConfig.prototype._afterRender = function() {\n        var self = this;\n\n        self._find('[name=\"outcome\"]').on('change', function() {\n            self._switchedOutcome();\n        }).trigger('change');\n\n        self._find('[name=\"rule\"]').on('change', function() {\n            self._switchedRule();\n        }).trigger('change');\n\n        self._find('[data-action=\"save\"]').on('click', function() {\n            self._trigger('save', self._getConfig());\n            self.close();\n        });\n\n        self._find('[data-action=\"cancel\"]').on('click', function() {\n            self.close();\n        });\n    };\n\n    /**\n     * Whether the current competency can be configured.\n     *\n     * @return {Boolean}\n     * @method canBeConfigured\n     */\n    RuleConfig.prototype.canBeConfigured = function() {\n        var can = false;\n        $.each(this._rules, function(index, rule) {\n            if (rule.canConfig()) {\n                can = true;\n                return;\n            }\n        });\n        return can;\n    };\n\n    /**\n     * Close the dialogue.\n     *\n     * @method close\n     */\n    RuleConfig.prototype.close = function() {\n        this._popup.close();\n        this._popup = null;\n    };\n\n    /**\n     * Opens the picker.\n     *\n     * @param {Number} competencyId The competency ID of the competency to work on.\n     * @method display\n     * @return {Promise}\n     */\n    RuleConfig.prototype.display = function() {\n        var self = this;\n        if (!self._competency) {\n            return false;\n        }\n        return $.when(Str.get_string('competencyrule', 'tool_lp'), self._render())\n        .then(function(title, render) {\n            self._popup = new Dialogue(\n                title,\n                render[0],\n                self._afterRender.bind(self)\n            );\n            return;\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Find a node in the dialogue.\n     *\n     * @param {String} selector\n     * @return {JQuery}\n     * @method _find\n     * @protected\n     */\n    RuleConfig.prototype._find = function(selector) {\n        return $(this._popup.getContent()).find(selector);\n    };\n\n    /**\n     * Get the applicable outcome options.\n     *\n     * @return {Array}\n     * @method _getApplicableOutcomesOptions\n     * @protected\n     */\n    RuleConfig.prototype._getApplicableOutcomesOptions = function() {\n        var self = this,\n            options = [];\n\n        $.each(self._outcomesOption, function(index, outcome) {\n            options.push({\n                code: outcome.code,\n                name: outcome.name,\n                selected: (outcome.code == self._competency.ruleoutcome) ? true : false,\n            });\n        });\n\n        return options;\n    };\n\n    /**\n     * Get the applicable rules options.\n     *\n     * @return {Array}\n     * @method _getApplicableRulesOptions\n     * @protected\n     */\n    RuleConfig.prototype._getApplicableRulesOptions = function() {\n        var self = this,\n            options = [];\n\n        $.each(self._rules, function(index, rule) {\n            if (!rule.canConfig()) {\n                return;\n            }\n            options.push({\n                name: self._getRuleName(rule.getType()),\n                type: rule.getType(),\n                selected: (rule.getType() == self._competency.ruletype) ? true : false,\n            });\n        });\n\n        return options;\n    };\n\n    /**\n     * Get the full config for the competency.\n     *\n     * @return {Object} Contains rule, ruleoutcome and ruleconfig.\n     * @method _getConfig\n     * @protected\n     */\n    RuleConfig.prototype._getConfig = function() {\n        var rule = this._getRule();\n        return {\n            ruletype: rule ? rule.getType() : null,\n            ruleconfig: rule ? rule.getConfig() : null,\n            ruleoutcome: this._getOutcome()\n        };\n    };\n\n    /**\n     * Get the selected outcome code.\n     *\n     * @return {String}\n     * @method _getOutcome\n     * @protected\n     */\n    RuleConfig.prototype._getOutcome = function() {\n        return this._find('[name=\"outcome\"]').val();\n    };\n\n    /**\n     * Get the selected rule.\n     *\n     * @return {null|Rule}\n     * @method _getRule\n     * @protected\n     */\n    RuleConfig.prototype._getRule = function() {\n        var result,\n            type = this._find('[name=\"rule\"]').val();\n\n        $.each(this._rules, function(index, rule) {\n            if (rule.getType() == type) {\n                result = rule;\n                return;\n            }\n        });\n\n        return result;\n    };\n\n    /**\n     * Return the name of a rule.\n     *\n     * @param  {String} type The type of a rule.\n     * @return {String}\n     * @method _getRuleName\n     * @protected\n     */\n    RuleConfig.prototype._getRuleName = function(type) {\n        var self = this,\n            name;\n        $.each(self._rulesModules, function(index, modInfo) {\n            if (modInfo.type == type) {\n                name = modInfo.name;\n                return;\n            }\n        });\n        return name;\n    };\n\n    /**\n     * Initialise the outcomes.\n     *\n     * @return {Promise}\n     * @method _initOutcomes\n     * @protected\n     */\n    RuleConfig.prototype._initOutcomes = function() {\n        var self = this;\n        return Outcomes.getAll().then(function(outcomes) {\n            self._outcomesOption = outcomes;\n            return;\n        });\n    };\n\n    /**\n     * Initialise the rules.\n     *\n     * @return {Promise}\n     * @method _initRules\n     * @protected\n     */\n    RuleConfig.prototype._initRules = function() {\n        var self = this,\n            promises = [];\n        $.each(self._rules, function(index, rule) {\n            var promise = rule.init().then(function() {\n                rule.setTargetCompetency(self._competency);\n                rule.on('change', self._afterRuleConfigChange.bind(self));\n                return;\n            }, function() {\n                // Upon failure remove the rule, and resolve the promise.\n                self._rules.splice(index, 1);\n                return $.when();\n            });\n            promises.push(promise);\n        });\n\n        return $.when.apply($.when, promises);\n    };\n\n    /**\n     * Whether or not the current config is valid.\n     *\n     * @return {Boolean}\n     * @method _isValid\n     * @protected\n     */\n    RuleConfig.prototype._isValid = function() {\n        var outcome = this._getOutcome(),\n            rule = this._getRule();\n\n        if (outcome == Outcomes.NONE) {\n            return true;\n        } else if (!rule) {\n            return false;\n        }\n\n        return rule.isValid();\n    };\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} type The event type.\n     * @param {Function} handler The event listener.\n     * @method on\n     */\n    RuleConfig.prototype.on = function(type, handler) {\n        this._eventNode.on(type, handler);\n    };\n\n    /**\n     * Hook to executed before render.\n     *\n     * @method _preRender\n     * @protected\n     * @return {Promise}\n     */\n    RuleConfig.prototype._preRender = function() {\n        // We need to have all the information about the rule plugins first.\n        return this.ready();\n    };\n\n    /**\n     * Returns a promise that is resolved when the module is ready.\n     *\n     * @return {Promise}\n     * @method ready\n     * @protected\n     */\n    RuleConfig.prototype.ready = function() {\n        return this._ready.promise();\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @protected\n     * @return {Promise}\n     */\n    RuleConfig.prototype._render = function() {\n        var self = this;\n        return this._preRender().then(function() {\n            var config;\n\n            if (!self.canBeConfigured()) {\n                config = false;\n            } else {\n                config = {};\n                config.outcomes = self._getApplicableOutcomesOptions();\n                config.rules = self._getApplicableRulesOptions();\n            }\n\n            var context = {\n                competencyshortname: self._competency.shortname,\n                config: config\n            };\n\n            return Templates.render('tool_lp/competency_rule_config', context);\n        });\n    };\n\n    /**\n     * Set the target competency.\n     *\n     * @param {Number} competencyId The target competency Id.\n     * @method setTargetCompetencyId\n     */\n    RuleConfig.prototype.setTargetCompetencyId = function(competencyId) {\n        var self = this;\n        self._competency = self._tree.getCompetency(competencyId);\n        $.each(self._rules, function(index, rule) {\n            rule.setTargetCompetency(self._competency);\n        });\n    };\n\n    /**\n     * Set up the instance.\n     *\n     * @method _setUp\n     * @protected\n     */\n    RuleConfig.prototype._setUp = function() {\n        var self = this,\n            promises = [],\n            modules = [];\n\n        self._ready = $.Deferred();\n        self._rules = [];\n\n        $.each(self._rulesModules, function(index, rule) {\n            modules.push(rule.amd);\n        });\n\n        // Load all the modules.\n        require(modules, function() {\n            $.each(arguments, function(index, Module) {\n                // Instantiate the rule and listen to it.\n                var rule = new Module(self._tree);\n                self._rules.push(rule);\n            });\n\n            // Load all the option values.\n            promises.push(self._initRules());\n            promises.push(self._initOutcomes());\n\n            // Ready when everything is done.\n            $.when.apply($.when, promises).always(function() {\n                self._ready.resolve();\n            });\n        });\n    };\n\n    /**\n     * Called when the user switches outcome.\n     *\n     * @method _switchedOutcome\n     * @protected\n     */\n    RuleConfig.prototype._switchedOutcome = function() {\n        var self = this,\n            type = self._getOutcome();\n\n        if (type == Outcomes.NONE) {\n            // Reset to defaults.\n            self._find('[data-region=\"rule-type\"]').hide()\n                .find('[name=\"rule\"]').val(-1);\n            self._find('[data-region=\"rule-config\"]').empty().hide();\n            self._afterChange();\n            return;\n        }\n\n        self._find('[data-region=\"rule-type\"]').show();\n        self._find('[data-region=\"rule-config\"]').show();\n        self._afterChange();\n    };\n\n    /**\n     * Called when the user switches rule.\n     *\n     * @method _switchedRule\n     * @protected\n     */\n    RuleConfig.prototype._switchedRule = function() {\n        var self = this,\n            container = self._find('[data-region=\"rule-config\"]'),\n            rule = self._getRule();\n\n        if (!rule) {\n            container.empty().hide();\n            self._afterChange();\n            return;\n        }\n        rule.injectTemplate(container).then(function() {\n            container.show();\n            return;\n        }).always(function() {\n            self._afterChange();\n        }).catch(function() {\n            container.empty().hide();\n        });\n    };\n\n    /**\n     * Trigger an event.\n     *\n     * @param {String} type The type of event.\n     * @param {Object} data The data to pass to the listeners.\n     * @method _trigger\n     * @protected\n     */\n    RuleConfig.prototype._trigger = function(type, data) {\n        this._eventNode.trigger(type, [data]);\n    };\n\n    return /** @alias module:tool_lp/competencyruleconfig */ RuleConfig;\n\n});\n"],"file":"competencyruleconfig.min.js"}
\ No newline at end of file
+{"version":3,"file":"competencyruleconfig.min.js","sources":["../src/competencyruleconfig.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule config.\n *\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/templates',\n        'tool_lp/dialogue',\n        'tool_lp/competency_outcomes',\n        'core/str'],\n        function($, Notification, Templates, Dialogue, Outcomes, Str) {\n\n    /**\n     * Competency rule class.\n     *\n     * When implementing this you should attach a listener to the event 'save'\n     * on the instance. E.g.\n     *\n     * var config = new RuleConfig(tree, modules);\n     * config.on('save', function(e, config) { ... });\n     *\n     * @param {competencytree} tree The competency tree.\n     * @param {Array} rulesModules The modules containing the rules: [{ typeName: { amd: amdModule, name: ruleName }}].\n     */\n    var RuleConfig = function(tree, rulesModules) {\n        this._eventNode = $('<div></div>');\n        this._tree = tree;\n        this._rulesModules = rulesModules;\n        this._setUp();\n    };\n\n    /** @type {Object} The current competency. */\n    RuleConfig.prototype._competency = null;\n    /** @type {Node} The node we attach the events to. */\n    RuleConfig.prototype._eventNode = null;\n    /** @type {Array} Outcomes options. */\n    RuleConfig.prototype._outcomesOption = null;\n    /** @type {Dialogue} The dialogue. */\n    RuleConfig.prototype._popup = null;\n    /** @type {Promise} Resolved when the module is ready. */\n    RuleConfig.prototype._ready = null;\n    /** @type {Array} The rules. */\n    RuleConfig.prototype._rules = null;\n    /** @type {Array} The rules modules. */\n    RuleConfig.prototype._rulesModules = null;\n    /** @type {competencytree} The competency tree. */\n    RuleConfig.prototype._tree = null;\n\n    /**\n     * After change.\n     *\n     * Triggered when a change occured.\n     *\n     * @method _afterChange\n     * @protected\n     */\n    RuleConfig.prototype._afterChange = function() {\n        if (!this._isValid()) {\n            this._find('[data-action=\"save\"]').prop('disabled', true);\n        } else {\n            this._find('[data-action=\"save\"]').prop('disabled', false);\n        }\n    };\n\n    /**\n     * After change in rule's config.\n     *\n     * Triggered when a change occured in a specific rule config.\n     *\n     * @method _afterRuleConfigChange\n     * @protected\n     * @param {Event} e\n     * @param {Rule} rule\n     */\n    RuleConfig.prototype._afterRuleConfigChange = function(e, rule) {\n        if (rule != this._getRule()) {\n            // This rule is not the current one any more, we can ignore.\n            return;\n        }\n        this._afterChange();\n    };\n\n    /**\n     * After render hook.\n     *\n     * @method _afterRender\n     * @protected\n     */\n    RuleConfig.prototype._afterRender = function() {\n        var self = this;\n\n        self._find('[name=\"outcome\"]').on('change', function() {\n            self._switchedOutcome();\n        }).trigger('change');\n\n        self._find('[name=\"rule\"]').on('change', function() {\n            self._switchedRule();\n        }).trigger('change');\n\n        self._find('[data-action=\"save\"]').on('click', function() {\n            self._trigger('save', self._getConfig());\n            self.close();\n        });\n\n        self._find('[data-action=\"cancel\"]').on('click', function() {\n            self.close();\n        });\n    };\n\n    /**\n     * Whether the current competency can be configured.\n     *\n     * @return {Boolean}\n     * @method canBeConfigured\n     */\n    RuleConfig.prototype.canBeConfigured = function() {\n        var can = false;\n        $.each(this._rules, function(index, rule) {\n            if (rule.canConfig()) {\n                can = true;\n                return;\n            }\n        });\n        return can;\n    };\n\n    /**\n     * Close the dialogue.\n     *\n     * @method close\n     */\n    RuleConfig.prototype.close = function() {\n        this._popup.close();\n        this._popup = null;\n    };\n\n    /**\n     * Opens the picker.\n     *\n     * @param {Number} competencyId The competency ID of the competency to work on.\n     * @method display\n     * @return {Promise}\n     */\n    RuleConfig.prototype.display = function() {\n        var self = this;\n        if (!self._competency) {\n            return false;\n        }\n        return $.when(Str.get_string('competencyrule', 'tool_lp'), self._render())\n        .then(function(title, render) {\n            self._popup = new Dialogue(\n                title,\n                render[0],\n                self._afterRender.bind(self)\n            );\n            return;\n        }).fail(Notification.exception);\n    };\n\n    /**\n     * Find a node in the dialogue.\n     *\n     * @param {String} selector\n     * @return {JQuery}\n     * @method _find\n     * @protected\n     */\n    RuleConfig.prototype._find = function(selector) {\n        return $(this._popup.getContent()).find(selector);\n    };\n\n    /**\n     * Get the applicable outcome options.\n     *\n     * @return {Array}\n     * @method _getApplicableOutcomesOptions\n     * @protected\n     */\n    RuleConfig.prototype._getApplicableOutcomesOptions = function() {\n        var self = this,\n            options = [];\n\n        $.each(self._outcomesOption, function(index, outcome) {\n            options.push({\n                code: outcome.code,\n                name: outcome.name,\n                selected: (outcome.code == self._competency.ruleoutcome) ? true : false,\n            });\n        });\n\n        return options;\n    };\n\n    /**\n     * Get the applicable rules options.\n     *\n     * @return {Array}\n     * @method _getApplicableRulesOptions\n     * @protected\n     */\n    RuleConfig.prototype._getApplicableRulesOptions = function() {\n        var self = this,\n            options = [];\n\n        $.each(self._rules, function(index, rule) {\n            if (!rule.canConfig()) {\n                return;\n            }\n            options.push({\n                name: self._getRuleName(rule.getType()),\n                type: rule.getType(),\n                selected: (rule.getType() == self._competency.ruletype) ? true : false,\n            });\n        });\n\n        return options;\n    };\n\n    /**\n     * Get the full config for the competency.\n     *\n     * @return {Object} Contains rule, ruleoutcome and ruleconfig.\n     * @method _getConfig\n     * @protected\n     */\n    RuleConfig.prototype._getConfig = function() {\n        var rule = this._getRule();\n        return {\n            ruletype: rule ? rule.getType() : null,\n            ruleconfig: rule ? rule.getConfig() : null,\n            ruleoutcome: this._getOutcome()\n        };\n    };\n\n    /**\n     * Get the selected outcome code.\n     *\n     * @return {String}\n     * @method _getOutcome\n     * @protected\n     */\n    RuleConfig.prototype._getOutcome = function() {\n        return this._find('[name=\"outcome\"]').val();\n    };\n\n    /**\n     * Get the selected rule.\n     *\n     * @return {null|Rule}\n     * @method _getRule\n     * @protected\n     */\n    RuleConfig.prototype._getRule = function() {\n        var result,\n            type = this._find('[name=\"rule\"]').val();\n\n        $.each(this._rules, function(index, rule) {\n            if (rule.getType() == type) {\n                result = rule;\n                return;\n            }\n        });\n\n        return result;\n    };\n\n    /**\n     * Return the name of a rule.\n     *\n     * @param  {String} type The type of a rule.\n     * @return {String}\n     * @method _getRuleName\n     * @protected\n     */\n    RuleConfig.prototype._getRuleName = function(type) {\n        var self = this,\n            name;\n        $.each(self._rulesModules, function(index, modInfo) {\n            if (modInfo.type == type) {\n                name = modInfo.name;\n                return;\n            }\n        });\n        return name;\n    };\n\n    /**\n     * Initialise the outcomes.\n     *\n     * @return {Promise}\n     * @method _initOutcomes\n     * @protected\n     */\n    RuleConfig.prototype._initOutcomes = function() {\n        var self = this;\n        return Outcomes.getAll().then(function(outcomes) {\n            self._outcomesOption = outcomes;\n            return;\n        });\n    };\n\n    /**\n     * Initialise the rules.\n     *\n     * @return {Promise}\n     * @method _initRules\n     * @protected\n     */\n    RuleConfig.prototype._initRules = function() {\n        var self = this,\n            promises = [];\n        $.each(self._rules, function(index, rule) {\n            var promise = rule.init().then(function() {\n                rule.setTargetCompetency(self._competency);\n                rule.on('change', self._afterRuleConfigChange.bind(self));\n                return;\n            }, function() {\n                // Upon failure remove the rule, and resolve the promise.\n                self._rules.splice(index, 1);\n                return $.when();\n            });\n            promises.push(promise);\n        });\n\n        return $.when.apply($.when, promises);\n    };\n\n    /**\n     * Whether or not the current config is valid.\n     *\n     * @return {Boolean}\n     * @method _isValid\n     * @protected\n     */\n    RuleConfig.prototype._isValid = function() {\n        var outcome = this._getOutcome(),\n            rule = this._getRule();\n\n        if (outcome == Outcomes.NONE) {\n            return true;\n        } else if (!rule) {\n            return false;\n        }\n\n        return rule.isValid();\n    };\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} type The event type.\n     * @param {Function} handler The event listener.\n     * @method on\n     */\n    RuleConfig.prototype.on = function(type, handler) {\n        this._eventNode.on(type, handler);\n    };\n\n    /**\n     * Hook to executed before render.\n     *\n     * @method _preRender\n     * @protected\n     * @return {Promise}\n     */\n    RuleConfig.prototype._preRender = function() {\n        // We need to have all the information about the rule plugins first.\n        return this.ready();\n    };\n\n    /**\n     * Returns a promise that is resolved when the module is ready.\n     *\n     * @return {Promise}\n     * @method ready\n     * @protected\n     */\n    RuleConfig.prototype.ready = function() {\n        return this._ready.promise();\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @protected\n     * @return {Promise}\n     */\n    RuleConfig.prototype._render = function() {\n        var self = this;\n        return this._preRender().then(function() {\n            var config;\n\n            if (!self.canBeConfigured()) {\n                config = false;\n            } else {\n                config = {};\n                config.outcomes = self._getApplicableOutcomesOptions();\n                config.rules = self._getApplicableRulesOptions();\n            }\n\n            var context = {\n                competencyshortname: self._competency.shortname,\n                config: config\n            };\n\n            return Templates.render('tool_lp/competency_rule_config', context);\n        });\n    };\n\n    /**\n     * Set the target competency.\n     *\n     * @param {Number} competencyId The target competency Id.\n     * @method setTargetCompetencyId\n     */\n    RuleConfig.prototype.setTargetCompetencyId = function(competencyId) {\n        var self = this;\n        self._competency = self._tree.getCompetency(competencyId);\n        $.each(self._rules, function(index, rule) {\n            rule.setTargetCompetency(self._competency);\n        });\n    };\n\n    /**\n     * Set up the instance.\n     *\n     * @method _setUp\n     * @protected\n     */\n    RuleConfig.prototype._setUp = function() {\n        var self = this,\n            promises = [],\n            modules = [];\n\n        self._ready = $.Deferred();\n        self._rules = [];\n\n        $.each(self._rulesModules, function(index, rule) {\n            modules.push(rule.amd);\n        });\n\n        // Load all the modules.\n        require(modules, function() {\n            $.each(arguments, function(index, Module) {\n                // Instantiate the rule and listen to it.\n                var rule = new Module(self._tree);\n                self._rules.push(rule);\n            });\n\n            // Load all the option values.\n            promises.push(self._initRules());\n            promises.push(self._initOutcomes());\n\n            // Ready when everything is done.\n            $.when.apply($.when, promises).always(function() {\n                self._ready.resolve();\n            });\n        });\n    };\n\n    /**\n     * Called when the user switches outcome.\n     *\n     * @method _switchedOutcome\n     * @protected\n     */\n    RuleConfig.prototype._switchedOutcome = function() {\n        var self = this,\n            type = self._getOutcome();\n\n        if (type == Outcomes.NONE) {\n            // Reset to defaults.\n            self._find('[data-region=\"rule-type\"]').hide()\n                .find('[name=\"rule\"]').val(-1);\n            self._find('[data-region=\"rule-config\"]').empty().hide();\n            self._afterChange();\n            return;\n        }\n\n        self._find('[data-region=\"rule-type\"]').show();\n        self._find('[data-region=\"rule-config\"]').show();\n        self._afterChange();\n    };\n\n    /**\n     * Called when the user switches rule.\n     *\n     * @method _switchedRule\n     * @protected\n     */\n    RuleConfig.prototype._switchedRule = function() {\n        var self = this,\n            container = self._find('[data-region=\"rule-config\"]'),\n            rule = self._getRule();\n\n        if (!rule) {\n            container.empty().hide();\n            self._afterChange();\n            return;\n        }\n        rule.injectTemplate(container).then(function() {\n            container.show();\n            return;\n        }).always(function() {\n            self._afterChange();\n        }).catch(function() {\n            container.empty().hide();\n        });\n    };\n\n    /**\n     * Trigger an event.\n     *\n     * @param {String} type The type of event.\n     * @param {Object} data The data to pass to the listeners.\n     * @method _trigger\n     * @protected\n     */\n    RuleConfig.prototype._trigger = function(type, data) {\n        this._eventNode.trigger(type, [data]);\n    };\n\n    return /** @alias module:tool_lp/competencyruleconfig */ RuleConfig;\n\n});\n"],"names":["define","$","Notification","Templates","Dialogue","Outcomes","Str","RuleConfig","tree","rulesModules","_eventNode","_tree","_rulesModules","_setUp","prototype","_competency","_outcomesOption","_popup","_ready","_rules","_afterChange","this","_isValid","_find","prop","_afterRuleConfigChange","e","rule","_getRule","_afterRender","self","on","_switchedOutcome","trigger","_switchedRule","_trigger","_getConfig","close","canBeConfigured","can","each","index","canConfig","display","when","get_string","_render","then","title","render","bind","fail","exception","selector","getContent","find","_getApplicableOutcomesOptions","options","outcome","push","code","name","selected","ruleoutcome","_getApplicableRulesOptions","_getRuleName","getType","type","ruletype","ruleconfig","getConfig","_getOutcome","val","result","modInfo","_initOutcomes","getAll","outcomes","_initRules","promises","promise","init","setTargetCompetency","splice","apply","NONE","isValid","handler","_preRender","ready","config","rules","context","competencyshortname","shortname","setTargetCompetencyId","competencyId","getCompetency","modules","Deferred","amd","require","arguments","Module","always","resolve","hide","empty","show","container","injectTemplate","catch","data"],"mappings":";;;;;;;AAuBAA,sCAAO,CAAC,SACA,oBACA,iBACA,mBACA,8BACA,aACA,SAASC,EAAGC,aAAcC,UAAWC,SAAUC,SAAUC,SAczDC,WAAa,SAASC,KAAMC,mBACvBC,WAAaT,EAAE,oBACfU,MAAQH,UACRI,cAAgBH,kBAChBI,iBAITN,WAAWO,UAAUC,YAAc,KAEnCR,WAAWO,UAAUJ,WAAa,KAElCH,WAAWO,UAAUE,gBAAkB,KAEvCT,WAAWO,UAAUG,OAAS,KAE9BV,WAAWO,UAAUI,OAAS,KAE9BX,WAAWO,UAAUK,OAAS,KAE9BZ,WAAWO,UAAUF,cAAgB,KAErCL,WAAWO,UAAUH,MAAQ,KAU7BJ,WAAWO,UAAUM,aAAe,WAC3BC,KAAKC,gBAGDC,MAAM,wBAAwBC,KAAK,YAAY,QAF/CD,MAAM,wBAAwBC,KAAK,YAAY,IAgB5DjB,WAAWO,UAAUW,uBAAyB,SAASC,EAAGC,MAClDA,MAAQN,KAAKO,iBAIZR,gBASTb,WAAWO,UAAUe,aAAe,eAC5BC,KAAOT,KAEXS,KAAKP,MAAM,oBAAoBQ,GAAG,UAAU,WACxCD,KAAKE,sBACNC,QAAQ,UAEXH,KAAKP,MAAM,iBAAiBQ,GAAG,UAAU,WACrCD,KAAKI,mBACND,QAAQ,UAEXH,KAAKP,MAAM,wBAAwBQ,GAAG,SAAS,WAC3CD,KAAKK,SAAS,OAAQL,KAAKM,cAC3BN,KAAKO,WAGTP,KAAKP,MAAM,0BAA0BQ,GAAG,SAAS,WAC7CD,KAAKO,YAUb9B,WAAWO,UAAUwB,gBAAkB,eAC/BC,KAAM,SACVtC,EAAEuC,KAAKnB,KAAKF,QAAQ,SAASsB,MAAOd,MAC5BA,KAAKe,cACLH,KAAM,MAIPA,KAQXhC,WAAWO,UAAUuB,MAAQ,gBACpBpB,OAAOoB,aACPpB,OAAS,MAUlBV,WAAWO,UAAU6B,QAAU,eACvBb,KAAOT,aACNS,KAAKf,aAGHd,EAAE2C,KAAKtC,IAAIuC,WAAW,iBAAkB,WAAYf,KAAKgB,WAC/DC,MAAK,SAASC,MAAOC,QAClBnB,KAAKb,OAAS,IAAIb,SACd4C,MACAC,OAAO,GACPnB,KAAKD,aAAaqB,KAAKpB,UAG5BqB,KAAKjD,aAAakD,YAWzB7C,WAAWO,UAAUS,MAAQ,SAAS8B,iBAC3BpD,EAAEoB,KAAKJ,OAAOqC,cAAcC,KAAKF,WAU5C9C,WAAWO,UAAU0C,8BAAgC,eAC7C1B,KAAOT,KACPoC,QAAU,UAEdxD,EAAEuC,KAAKV,KAAKd,iBAAiB,SAASyB,MAAOiB,SACzCD,QAAQE,KAAK,CACTC,KAAMF,QAAQE,KACdC,KAAMH,QAAQG,KACdC,SAAWJ,QAAQE,MAAQ9B,KAAKf,YAAYgD,iBAI7CN,SAUXlD,WAAWO,UAAUkD,2BAA6B,eAC1ClC,KAAOT,KACPoC,QAAU,UAEdxD,EAAEuC,KAAKV,KAAKX,QAAQ,SAASsB,MAAOd,MAC3BA,KAAKe,aAGVe,QAAQE,KAAK,CACTE,KAAM/B,KAAKmC,aAAatC,KAAKuC,WAC7BC,KAAMxC,KAAKuC,UACXJ,SAAWnC,KAAKuC,WAAapC,KAAKf,YAAYqD,cAI/CX,SAUXlD,WAAWO,UAAUsB,WAAa,eAC1BT,KAAON,KAAKO,iBACT,CACHwC,SAAUzC,KAAOA,KAAKuC,UAAY,KAClCG,WAAY1C,KAAOA,KAAK2C,YAAc,KACtCP,YAAa1C,KAAKkD,gBAW1BhE,WAAWO,UAAUyD,YAAc,kBACxBlD,KAAKE,MAAM,oBAAoBiD,OAU1CjE,WAAWO,UAAUc,SAAW,eACxB6C,OACAN,KAAO9C,KAAKE,MAAM,iBAAiBiD,aAEvCvE,EAAEuC,KAAKnB,KAAKF,QAAQ,SAASsB,MAAOd,MAC5BA,KAAKuC,WAAaC,OAClBM,OAAS9C,SAKV8C,QAWXlE,WAAWO,UAAUmD,aAAe,SAASE,UAErCN,YACJ5D,EAAEuC,KAFSnB,KAECT,eAAe,SAAS6B,MAAOiC,SACnCA,QAAQP,MAAQA,OAChBN,KAAOa,QAAQb,SAIhBA,MAUXtD,WAAWO,UAAU6D,cAAgB,eAC7B7C,KAAOT,YACJhB,SAASuE,SAAS7B,MAAK,SAAS8B,UACnC/C,KAAKd,gBAAkB6D,aAY/BtE,WAAWO,UAAUgE,WAAa,eAC1BhD,KAAOT,KACP0D,SAAW,UACf9E,EAAEuC,KAAKV,KAAKX,QAAQ,SAASsB,MAAOd,UAC5BqD,QAAUrD,KAAKsD,OAAOlC,MAAK,WAC3BpB,KAAKuD,oBAAoBpD,KAAKf,aAC9BY,KAAKI,GAAG,SAAUD,KAAKL,uBAAuByB,KAAKpB,UAEpD,kBAECA,KAAKX,OAAOgE,OAAO1C,MAAO,GACnBxC,EAAE2C,UAEbmC,SAASpB,KAAKqB,YAGX/E,EAAE2C,KAAKwC,MAAMnF,EAAE2C,KAAMmC,WAUhCxE,WAAWO,UAAUQ,SAAW,eACxBoC,QAAUrC,KAAKkD,cACf5C,KAAON,KAAKO,kBAEZ8B,SAAWrD,SAASgF,QAEZ1D,MAILA,KAAK2D,WAUhB/E,WAAWO,UAAUiB,GAAK,SAASoC,KAAMoB,cAChC7E,WAAWqB,GAAGoC,KAAMoB,UAU7BhF,WAAWO,UAAU0E,WAAa,kBAEvBnE,KAAKoE,SAUhBlF,WAAWO,UAAU2E,MAAQ,kBAClBpE,KAAKH,OAAO8D,WAUvBzE,WAAWO,UAAUgC,QAAU,eACvBhB,KAAOT,YACJA,KAAKmE,aAAazC,MAAK,eACtB2C,OAEC5D,KAAKQ,oBAGNoD,OAAS,IACFb,SAAW/C,KAAK0B,gCACvBkC,OAAOC,MAAQ7D,KAAKkC,8BAJpB0B,QAAS,MAOTE,QAAU,CACVC,oBAAqB/D,KAAKf,YAAY+E,UACtCJ,OAAQA,eAGLvF,UAAU8C,OAAO,iCAAkC2C,aAUlErF,WAAWO,UAAUiF,sBAAwB,SAASC,kBAC9ClE,KAAOT,KACXS,KAAKf,YAAce,KAAKnB,MAAMsF,cAAcD,cAC5C/F,EAAEuC,KAAKV,KAAKX,QAAQ,SAASsB,MAAOd,MAChCA,KAAKuD,oBAAoBpD,KAAKf,iBAUtCR,WAAWO,UAAUD,OAAS,eACtBiB,KAAOT,KACP0D,SAAW,GACXmB,QAAU,GAEdpE,KAAKZ,OAASjB,EAAEkG,WAChBrE,KAAKX,OAAS,GAEdlB,EAAEuC,KAAKV,KAAKlB,eAAe,SAAS6B,MAAOd,MACvCuE,QAAQvC,KAAKhC,KAAKyE,QAItBC,QAAQH,SAAS,WACbjG,EAAEuC,KAAK8D,WAAW,SAAS7D,MAAO8D,YAE1B5E,KAAO,IAAI4E,OAAOzE,KAAKnB,OAC3BmB,KAAKX,OAAOwC,KAAKhC,SAIrBoD,SAASpB,KAAK7B,KAAKgD,cACnBC,SAASpB,KAAK7B,KAAK6C,iBAGnB1E,EAAE2C,KAAKwC,MAAMnF,EAAE2C,KAAMmC,UAAUyB,QAAO,WAClC1E,KAAKZ,OAAOuF,iBAWxBlG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\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencytree.min.js b/admin/tool/lp/amd/build/competencytree.min.js
index 305c88a3c7f..a5dbbc59172 100644
--- a/admin/tool/lp/amd/build/competencytree.min.js
+++ b/admin/tool/lp/amd/build/competencytree.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/competencytree",["core/ajax","core/notification","core/templates","tool_lp/tree","tool_lp/competency_outcomes","jquery"],function(a,b,c,d,e,f){var g={},h=0,j="",k="",l="",m=!1,n=function(a,b){var c=0,d=!1;a.haschildren=!1;a.children=[];for(c=0;c<b.length;c++){d=b[c];if(d.parentid==a.id){a.haschildren=!0;a.children.push(d);n(d,b)}}},o=function(b){var e=f.Deferred();c.render("tool_lp/loading",{}).done(function(i,o){c.replaceNodeContents(f(k),i,o);var p=a.call([{methodname:"core_competency_search_competencies",args:{searchtext:b,competencyframeworkid:h}}]);p[0].done(function(a){g={};var b=0;for(b=0;b<a.length;b++){g[a[b].id]=a[b]}var h=[],o=!1;for(b=0;b<a.length;b++){o=a[b];if(0===parseInt(o.parentid,10)){h.push(o);n(o,a)}}var p={shortname:j,canmanage:m,competencies:h};c.render("tool_lp/competencies_tree_root",p).done(function(a,b){c.replaceNodeContents(f(k),f(a).html(),b);var h=new d(k,!1);if(l){var i=f(k).find("[data-id="+l+"]");if(i.length){h.selectItem(i);h.updateFocus(i)}}e.resolve(g)}).fail(e.reject)}).fail(e.reject)});return e.promise()},p=function(a,b){var c=b.selected;l=c.attr("data-id")};return{init:function init(a,c,d,e,f,g){h=a;j=c;m=f;k=e;o(d).fail(b.exception);if(0<g){l=g}this.on("selectionchanged",p)},on:function on(a,b){f(k).on(a,b)},getChildren:function getChildren(a){var b=[];f.each(g,function(c,d){if(d.parentid==a){b.push(d)}});return b},getCompetencyFrameworkId:function getCompetencyFrameworkId(){return h},getCompetency:function getCompetency(a){return g[a]},getCompetencyLevel:function getCompetencyLevel(a){var b=this.getCompetency(a),c=b.path.replace(/^\/|\/$/g,"").split("/").length;return c},hasChildren:function hasChildren(a){return 0<this.getChildren(a).length},hasRule:function hasRule(a){var b=this.getCompetency(a);if(b){return b.ruleoutcome!=e.OUTCOME_NONE&&b.ruletype}return!1},reloadCompetencies:function reloadCompetencies(){return o("").fail(b.exception)},listCompetencies:function listCompetencies(){return g}}});
-//# sourceMappingURL=competencytree.min.js.map
+/**
+ * Handle selection changes on the competency tree.
+ *
+ * @module     tool_lp/competencyselect
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/competencytree",["core/ajax","core/notification","core/templates","tool_lp/tree","tool_lp/competency_outcomes","jquery"],(function(ajax,notification,templates,Ariatree,CompOutcomes,$){var competencies={},competencyFrameworkId=0,competencyFrameworkShortName="",treeSelector="",currentNodeId="",competencyFramworkCanManage=!1,addChildren=function addChildren(parent,all){var i=0,current=!1;for(parent.haschildren=!1,parent.children=[],i=0;i<all.length;i++)(current=all[i]).parentid==parent.id&&(parent.haschildren=!0,parent.children.push(current),addChildren(current,all))},loadCompetencies=function(searchtext){var deferred=$.Deferred();return templates.render("tool_lp/loading",{}).done((function(loadinghtml,loadingjs){templates.replaceNodeContents($(treeSelector),loadinghtml,loadingjs),ajax.call([{methodname:"core_competency_search_competencies",args:{searchtext:searchtext,competencyframeworkid:competencyFrameworkId}}])[0].done((function(result){competencies={};var i=0;for(i=0;i<result.length;i++)competencies[result[i].id]=result[i];var children=[],competency=!1;for(i=0;i<result.length;i++)competency=result[i],0===parseInt(competency.parentid,10)&&(children.push(competency),addChildren(competency,result));var context={shortname:competencyFrameworkShortName,canmanage:competencyFramworkCanManage,competencies:children};templates.render("tool_lp/competencies_tree_root",context).done((function(html,js){templates.replaceNodeContents($(treeSelector),$(html).html(),js);var tree=new Ariatree(treeSelector,!1);if(currentNodeId){var node=$(treeSelector).find("[data-id="+currentNodeId+"]");node.length&&(tree.selectItem(node),tree.updateFocus(node))}deferred.resolve(competencies)})).fail(deferred.reject)})).fail(deferred.reject)})),deferred.promise()},rememberCurrent=function(evt,params){var node=params.selected;currentNodeId=node.attr("data-id")};return{init:function(id,shortname,search,selector,canmanage,competencyid){competencyFrameworkId=id,competencyFrameworkShortName=shortname,competencyFramworkCanManage=canmanage,treeSelector=selector,loadCompetencies(search).fail(notification.exception),competencyid>0&&(currentNodeId=competencyid),this.on("selectionchanged",rememberCurrent)},on:function(eventname,handler){$(treeSelector).on(eventname,handler)},getChildren:function(id){var children=[];return $.each(competencies,(function(index,competency){competency.parentid==id&&children.push(competency)})),children},getCompetencyFrameworkId:function(){return competencyFrameworkId},getCompetency:function(id){return competencies[id]},getCompetencyLevel:function(id){return this.getCompetency(id).path.replace(/^\/|\/$/g,"").split("/").length},hasChildren:function(id){return this.getChildren(id).length>0},hasRule:function(id){var comp=this.getCompetency(id);return!!comp&&(comp.ruleoutcome!=CompOutcomes.OUTCOME_NONE&&comp.ruletype)},reloadCompetencies:function(){return loadCompetencies("").fail(notification.exception)},listCompetencies:function(){return competencies}}}));
+
+//# sourceMappingURL=competencytree.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/competencytree.min.js.map b/admin/tool/lp/amd/build/competencytree.min.js.map
index d579d0bb7bf..cc00f6de00b 100644
--- a/admin/tool/lp/amd/build/competencytree.min.js.map
+++ b/admin/tool/lp/amd/build/competencytree.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle selection changes on the competency tree.\n *\n * @module     tool_lp/competencyselect\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax', 'core/notification', 'core/templates', 'tool_lp/tree', 'tool_lp/competency_outcomes', 'jquery'],\n       function(ajax, notification, templates, Ariatree, CompOutcomes, $) {\n\n    // Private variables and functions.\n    /** @var {Object[]} competencies - Cached list of competencies */\n    var competencies = {};\n\n    /** @var {Number} competencyFrameworkId - The current framework id */\n    var competencyFrameworkId = 0;\n\n    /** @var {String} competencyFrameworkShortName - The current framework short name */\n    var competencyFrameworkShortName = '';\n\n    /** @var {String} treeSelector - The selector for the root of the tree. */\n    var treeSelector = '';\n\n    /** @var {String} currentNodeId - The data-id of the current node in the tree. */\n    var currentNodeId = '';\n\n     /** @var {Boolean} competencyFramworkCanManage - Can manage the competencies framework */\n    var competencyFramworkCanManage = false;\n\n    /**\n     * Build a tree from the flat list of competencies.\n     * @param {Object} parent The parent competency.\n     * @param {Array} all The list of all competencies.\n     */\n    var addChildren = function(parent, all) {\n        var i = 0;\n        var current = false;\n        parent.haschildren = false;\n        parent.children = [];\n        for (i = 0; i < all.length; i++) {\n            current = all[i];\n            if (current.parentid == parent.id) {\n                parent.haschildren = true;\n                parent.children.push(current);\n                addChildren(current, all);\n            }\n        }\n    };\n\n    /**\n     * Load the list of competencies via ajax. Competencies are filtered by the searchtext.\n     * @param {String} searchtext The text to filter on.\n     * @return {promise}\n     */\n    var loadCompetencies = function(searchtext) {\n        var deferred = $.Deferred();\n\n        templates.render('tool_lp/loading', {}).done(function(loadinghtml, loadingjs) {\n            templates.replaceNodeContents($(treeSelector), loadinghtml, loadingjs);\n\n            var promises = ajax.call([{\n                methodname: 'core_competency_search_competencies',\n                args: {\n                    searchtext: searchtext,\n                    competencyframeworkid: competencyFrameworkId\n                }\n            }]);\n            promises[0].done(function(result) {\n                competencies = {};\n                var i = 0;\n                for (i = 0; i < result.length; i++) {\n                    competencies[result[i].id] = result[i];\n                }\n\n                var children = [];\n                var competency = false;\n                for (i = 0; i < result.length; i++) {\n                    competency = result[i];\n                    if (parseInt(competency.parentid, 10) === 0) {\n                        children.push(competency);\n                        addChildren(competency, result);\n                    }\n                }\n                var context = {\n                    shortname: competencyFrameworkShortName,\n                    canmanage: competencyFramworkCanManage,\n                    competencies: children\n                };\n                templates.render('tool_lp/competencies_tree_root', context).done(function(html, js) {\n                    templates.replaceNodeContents($(treeSelector), $(html).html(), js);\n                    var tree = new Ariatree(treeSelector, false);\n\n                    if (currentNodeId) {\n                        var node = $(treeSelector).find('[data-id=' + currentNodeId + ']');\n                        if (node.length) {\n                            tree.selectItem(node);\n                            tree.updateFocus(node);\n                        }\n                    }\n                    deferred.resolve(competencies);\n                }).fail(deferred.reject);\n            }).fail(deferred.reject);\n        });\n\n        return deferred.promise();\n    };\n\n    /**\n     * Whenever the current item in the tree is changed - remember the \"id\".\n     * @param {Event} evt\n     * @param {Object} params The parameters for the event (This is the selected node).\n     */\n    var rememberCurrent = function(evt, params) {\n        var node = params.selected;\n        currentNodeId = node.attr('data-id');\n    };\n\n    return /** @alias module:tool_lp/competencytree */ {\n        // Public variables and functions.\n        /**\n         * Initialise the tree.\n         *\n         * @param {Number} id The competency framework id.\n         * @param {String} shortname The framework shortname\n         * @param {String} search The current search string\n         * @param {String} selector The selector for the tree div\n         * @param {Boolean} canmanage Can manage the competencies\n         * @param {Number} competencyid The id of the competency to show first\n         */\n        init: function(id, shortname, search, selector, canmanage, competencyid) {\n            competencyFrameworkId = id;\n            competencyFrameworkShortName = shortname;\n            competencyFramworkCanManage = canmanage;\n            treeSelector = selector;\n            loadCompetencies(search).fail(notification.exception);\n            if (competencyid > 0) {\n                currentNodeId = competencyid;\n            }\n\n            this.on('selectionchanged', rememberCurrent);\n         },\n\n        /**\n         * Add an event handler for custom events emitted by the tree.\n         *\n         * @param {String} eventname The name of the event - only \"selectionchanged\" for now\n         * @param {Function} handler The handler for the event.\n         */\n        on: function(eventname, handler) {\n            // We can't use the tree on function directly\n            // because the tree gets rebuilt whenever the search string changes,\n            // instead we attach the listner to the root node of the tree which never\n            // gets destroyed (same as \"on()\" code in the tree.js).\n            $(treeSelector).on(eventname, handler);\n        },\n\n        /**\n         * Get the children of a competency.\n         *\n         * @param  {Number} id The competency ID.\n         * @return {Array}\n         * @method getChildren\n         */\n        getChildren: function(id) {\n            var children = [];\n            $.each(competencies, function(index, competency) {\n                if (competency.parentid == id) {\n                    children.push(competency);\n                }\n            });\n            return children;\n        },\n\n        /**\n         * Get the competency framework id this model was initiliased with.\n         *\n         * @return {Number}\n         */\n        getCompetencyFrameworkId: function() {\n            return competencyFrameworkId;\n        },\n\n        /**\n         * Get a competency by id\n         *\n         * @param {Number} id The competency id\n         * @return {Object}\n         */\n        getCompetency: function(id) {\n            return competencies[id];\n        },\n\n        /**\n         * Get the competency level.\n         *\n         * @param  {Number} id The competency ID.\n         * @return {Number}\n         */\n        getCompetencyLevel: function(id) {\n            var competency = this.getCompetency(id),\n                level = competency.path.replace(/^\\/|\\/$/g, '').split('/').length;\n            return level;\n        },\n\n        /**\n         * Whether a competency has children.\n         *\n         * @param  {Number} id The competency ID.\n         * @return {Boolean}\n         * @method hasChildren\n         */\n        hasChildren: function(id) {\n            return this.getChildren(id).length > 0;\n        },\n\n        /**\n         * Does the competency have a rule?\n         *\n         * @param  {Number}  id The competency ID.\n         * @return {Boolean}\n         */\n        hasRule: function(id) {\n            var comp = this.getCompetency(id);\n            if (comp) {\n                return comp.ruleoutcome != CompOutcomes.OUTCOME_NONE\n                    && comp.ruletype;\n            }\n            return false;\n        },\n\n        /**\n         * Reload all the page competencies framework competencies.\n         * @method reloadCompetencies\n         * @return {Promise}\n         */\n        reloadCompetencies: function() {\n            return loadCompetencies('').fail(notification.exception);\n        },\n\n        /**\n         * Get all competencies for this framework.\n         *\n         * @return {Object[]}\n         */\n        listCompetencies: function() {\n            return competencies;\n        },\n\n     };\n });\n"],"file":"competencytree.min.js"}
\ No newline at end of file
+{"version":3,"file":"competencytree.min.js","sources":["../src/competencytree.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle selection changes on the competency tree.\n *\n * @module     tool_lp/competencyselect\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax', 'core/notification', 'core/templates', 'tool_lp/tree', 'tool_lp/competency_outcomes', 'jquery'],\n       function(ajax, notification, templates, Ariatree, CompOutcomes, $) {\n\n    // Private variables and functions.\n    /** @var {Object[]} competencies - Cached list of competencies */\n    var competencies = {};\n\n    /** @var {Number} competencyFrameworkId - The current framework id */\n    var competencyFrameworkId = 0;\n\n    /** @var {String} competencyFrameworkShortName - The current framework short name */\n    var competencyFrameworkShortName = '';\n\n    /** @var {String} treeSelector - The selector for the root of the tree. */\n    var treeSelector = '';\n\n    /** @var {String} currentNodeId - The data-id of the current node in the tree. */\n    var currentNodeId = '';\n\n     /** @var {Boolean} competencyFramworkCanManage - Can manage the competencies framework */\n    var competencyFramworkCanManage = false;\n\n    /**\n     * Build a tree from the flat list of competencies.\n     * @param {Object} parent The parent competency.\n     * @param {Array} all The list of all competencies.\n     */\n    var addChildren = function(parent, all) {\n        var i = 0;\n        var current = false;\n        parent.haschildren = false;\n        parent.children = [];\n        for (i = 0; i < all.length; i++) {\n            current = all[i];\n            if (current.parentid == parent.id) {\n                parent.haschildren = true;\n                parent.children.push(current);\n                addChildren(current, all);\n            }\n        }\n    };\n\n    /**\n     * Load the list of competencies via ajax. Competencies are filtered by the searchtext.\n     * @param {String} searchtext The text to filter on.\n     * @return {promise}\n     */\n    var loadCompetencies = function(searchtext) {\n        var deferred = $.Deferred();\n\n        templates.render('tool_lp/loading', {}).done(function(loadinghtml, loadingjs) {\n            templates.replaceNodeContents($(treeSelector), loadinghtml, loadingjs);\n\n            var promises = ajax.call([{\n                methodname: 'core_competency_search_competencies',\n                args: {\n                    searchtext: searchtext,\n                    competencyframeworkid: competencyFrameworkId\n                }\n            }]);\n            promises[0].done(function(result) {\n                competencies = {};\n                var i = 0;\n                for (i = 0; i < result.length; i++) {\n                    competencies[result[i].id] = result[i];\n                }\n\n                var children = [];\n                var competency = false;\n                for (i = 0; i < result.length; i++) {\n                    competency = result[i];\n                    if (parseInt(competency.parentid, 10) === 0) {\n                        children.push(competency);\n                        addChildren(competency, result);\n                    }\n                }\n                var context = {\n                    shortname: competencyFrameworkShortName,\n                    canmanage: competencyFramworkCanManage,\n                    competencies: children\n                };\n                templates.render('tool_lp/competencies_tree_root', context).done(function(html, js) {\n                    templates.replaceNodeContents($(treeSelector), $(html).html(), js);\n                    var tree = new Ariatree(treeSelector, false);\n\n                    if (currentNodeId) {\n                        var node = $(treeSelector).find('[data-id=' + currentNodeId + ']');\n                        if (node.length) {\n                            tree.selectItem(node);\n                            tree.updateFocus(node);\n                        }\n                    }\n                    deferred.resolve(competencies);\n                }).fail(deferred.reject);\n            }).fail(deferred.reject);\n        });\n\n        return deferred.promise();\n    };\n\n    /**\n     * Whenever the current item in the tree is changed - remember the \"id\".\n     * @param {Event} evt\n     * @param {Object} params The parameters for the event (This is the selected node).\n     */\n    var rememberCurrent = function(evt, params) {\n        var node = params.selected;\n        currentNodeId = node.attr('data-id');\n    };\n\n    return /** @alias module:tool_lp/competencytree */ {\n        // Public variables and functions.\n        /**\n         * Initialise the tree.\n         *\n         * @param {Number} id The competency framework id.\n         * @param {String} shortname The framework shortname\n         * @param {String} search The current search string\n         * @param {String} selector The selector for the tree div\n         * @param {Boolean} canmanage Can manage the competencies\n         * @param {Number} competencyid The id of the competency to show first\n         */\n        init: function(id, shortname, search, selector, canmanage, competencyid) {\n            competencyFrameworkId = id;\n            competencyFrameworkShortName = shortname;\n            competencyFramworkCanManage = canmanage;\n            treeSelector = selector;\n            loadCompetencies(search).fail(notification.exception);\n            if (competencyid > 0) {\n                currentNodeId = competencyid;\n            }\n\n            this.on('selectionchanged', rememberCurrent);\n         },\n\n        /**\n         * Add an event handler for custom events emitted by the tree.\n         *\n         * @param {String} eventname The name of the event - only \"selectionchanged\" for now\n         * @param {Function} handler The handler for the event.\n         */\n        on: function(eventname, handler) {\n            // We can't use the tree on function directly\n            // because the tree gets rebuilt whenever the search string changes,\n            // instead we attach the listner to the root node of the tree which never\n            // gets destroyed (same as \"on()\" code in the tree.js).\n            $(treeSelector).on(eventname, handler);\n        },\n\n        /**\n         * Get the children of a competency.\n         *\n         * @param  {Number} id The competency ID.\n         * @return {Array}\n         * @method getChildren\n         */\n        getChildren: function(id) {\n            var children = [];\n            $.each(competencies, function(index, competency) {\n                if (competency.parentid == id) {\n                    children.push(competency);\n                }\n            });\n            return children;\n        },\n\n        /**\n     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    */\n        listCompetencies: function() {\n            return competencies;\n        },\n\n     };\n 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diff --git a/admin/tool/lp/amd/build/course_competency_settings.min.js b/admin/tool/lp/amd/build/course_competency_settings.min.js
index 496c31ddee0..8c1dc0dd913 100644
--- a/admin/tool/lp/amd/build/course_competency_settings.min.js
+++ b/admin/tool/lp/amd/build/course_competency_settings.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/course_competency_settings",["jquery","core/notification","tool_lp/dialogue","core/str","core/ajax","core/templates","core/pending"],function(a,b,c,d,f,g,h){var i=function(b){a(b).on("click",this.configureSettings.bind(this))};i.prototype._dialogue=null;i.prototype.configureSettings=function(f){var e=new h,i=a(f.target).closest("a").data("courseid"),j=a(f.target).closest("a").data("pushratingstouserplans");f.preventDefault();a.when(d.get_string("configurecoursecompetencysettings","tool_lp"),g.render("tool_lp/course_competency_settings",{courseid:i,settings:{pushratingstouserplans:j}})).then(function(a,b){this._dialogue=new c(a,b[0],this.addListeners.bind(this));return this._dialogue}.bind(this)).then(e.resolve).catch(b.exception)};i.prototype.addListeners=function(){var a=this._find("[data-action=\"save\"]");a.on("click",this.saveSettings.bind(this));var b=this._find("[data-action=\"cancel\"]");b.on("click",this.cancelChanges.bind(this))};i.prototype.cancelChanges=function(a){a.preventDefault();this._dialogue.close()};i.prototype._find=function(b){return a("[data-region=\"coursecompetencysettings\"]").find(b)};i.prototype.saveSettings=function(a){var c=new h;a.preventDefault();var d=this._find("input[name=\"pushratingstouserplans\"]:checked").val(),e=this._find("input[name=\"courseid\"]").val();f.call([{methodname:"core_competency_update_course_competency_settings",args:{courseid:e,settings:{pushratingstouserplans:d}}}])[0].then(function(){return this.refreshCourseCompetenciesPage()}.bind(this)).then(c.resolve).catch(b.exception)};i.prototype.refreshCourseCompetenciesPage=function(){var c=this._find("input[name=\"courseid\"]").val(),d=new h;f.call([{methodname:"tool_lp_data_for_course_competencies_page",args:{courseid:c,moduleid:0}}])[0].then(function(a){return g.render("tool_lp/course_competencies_page",a)}).then(function(b,c){g.replaceNode(a("[data-region=\"coursecompetenciespage\"]"),b,c);this._dialogue.close()}.bind(this)).then(d.resolve).catch(b.exception)};return i});
-//# sourceMappingURL=course_competency_settings.min.js.map
+/**
+ * Change the course competency settings in a popup.
+ *
+ * @module     tool_lp/configurecoursecompetencysettings
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/course_competency_settings",["jquery","core/notification","tool_lp/dialogue","core/str","core/ajax","core/templates","core/pending"],(function($,notification,Dialogue,str,ajax,templates,Pending){var settingsMod=function(selector){$(selector).on("click",this.configureSettings.bind(this))};return settingsMod.prototype._dialogue=null,settingsMod.prototype.configureSettings=function(e){var pendingPromise=new Pending,context={courseid:$(e.target).closest("a").data("courseid"),settings:{pushratingstouserplans:$(e.target).closest("a").data("pushratingstouserplans")}};e.preventDefault(),$.when(str.get_string("configurecoursecompetencysettings","tool_lp"),templates.render("tool_lp/course_competency_settings",context)).then(function(title,templateResult){return this._dialogue=new Dialogue(title,templateResult[0],this.addListeners.bind(this)),this._dialogue}.bind(this)).then(pendingPromise.resolve).catch(notification.exception)},settingsMod.prototype.addListeners=function(){this._find('[data-action="save"]').on("click",this.saveSettings.bind(this)),this._find('[data-action="cancel"]').on("click",this.cancelChanges.bind(this))},settingsMod.prototype.cancelChanges=function(e){e.preventDefault(),this._dialogue.close()},settingsMod.prototype._find=function(selector){return $('[data-region="coursecompetencysettings"]').find(selector)},settingsMod.prototype.saveSettings=function(e){var pendingPromise=new Pending;e.preventDefault();var newValue=this._find('input[name="pushratingstouserplans"]:checked').val(),courseId=this._find('input[name="courseid"]').val(),settings={pushratingstouserplans:newValue};ajax.call([{methodname:"core_competency_update_course_competency_settings",args:{courseid:courseId,settings:settings}}])[0].then(function(){return this.refreshCourseCompetenciesPage()}.bind(this)).then(pendingPromise.resolve).catch(notification.exception)},settingsMod.prototype.refreshCourseCompetenciesPage=function(){var courseId=this._find('input[name="courseid"]').val(),pendingPromise=new Pending;ajax.call([{methodname:"tool_lp_data_for_course_competencies_page",args:{courseid:courseId,moduleid:0}}])[0].then((function(context){return templates.render("tool_lp/course_competencies_page",context)})).then(function(html,js){templates.replaceNode($('[data-region="coursecompetenciespage"]'),html,js),this._dialogue.close()}.bind(this)).then(pendingPromise.resolve).catch(notification.exception)},settingsMod}));
+
+//# sourceMappingURL=course_competency_settings.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/course_competency_settings.min.js.map b/admin/tool/lp/amd/build/course_competency_settings.min.js.map
index 9ab4d543df0..85f75330b3c 100644
--- a/admin/tool/lp/amd/build/course_competency_settings.min.js.map
+++ b/admin/tool/lp/amd/build/course_competency_settings.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Change the course competency settings in a popup.\n *\n * @module     tool_lp/configurecoursecompetencysettings\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/notification',\n        'tool_lp/dialogue',\n        'core/str',\n        'core/ajax',\n        'core/templates',\n        'core/pending'\n        ],\n       function($, notification, Dialogue, str, ajax, templates, Pending) {\n\n    /**\n     * Constructor\n     *\n     * @param {String} selector - selector for the links to open the dialogue.\n     */\n    var settingsMod = function(selector) {\n        $(selector).on('click', this.configureSettings.bind(this));\n    };\n\n    /** @type {Dialogue} Reference to the dialogue that we opened. */\n    settingsMod.prototype._dialogue = null;\n\n    /**\n     * Open the configure settings dialogue.\n     *\n     * @param {Event} e\n     * @method configureSettings\n     */\n    settingsMod.prototype.configureSettings = function(e) {\n        var pendingPromise = new Pending();\n        var courseid = $(e.target).closest('a').data('courseid');\n        var currentValue = $(e.target).closest('a').data('pushratingstouserplans');\n        var context = {\n            courseid: courseid,\n            settings: {pushratingstouserplans: currentValue}\n        };\n        e.preventDefault();\n\n        $.when(\n            str.get_string('configurecoursecompetencysettings', 'tool_lp'),\n            templates.render('tool_lp/course_competency_settings', context),\n        )\n        .then(function(title, templateResult) {\n            this._dialogue = new Dialogue(\n                title,\n                templateResult[0],\n                this.addListeners.bind(this)\n            );\n\n            return this._dialogue;\n        }.bind(this))\n        .then(pendingPromise.resolve)\n        .catch(notification.exception);\n    };\n\n    /**\n     * Add the save listener to the form.\n     *\n     * @method addSaveListener\n     */\n    settingsMod.prototype.addListeners = function() {\n        var save = this._find('[data-action=\"save\"]');\n        save.on('click', this.saveSettings.bind(this));\n        var cancel = this._find('[data-action=\"cancel\"]');\n        cancel.on('click', this.cancelChanges.bind(this));\n    };\n\n    /**\n     * Cancel the changes.\n     *\n     * @param {Event} e\n     * @method cancelChanges\n     */\n    settingsMod.prototype.cancelChanges = function(e) {\n        e.preventDefault();\n        this._dialogue.close();\n    };\n\n    /**\n     * Cancel the changes.\n     *\n     * @param {String} selector\n     * @return {JQuery}\n     */\n    settingsMod.prototype._find = function(selector) {\n        return $('[data-region=\"coursecompetencysettings\"]').find(selector);\n    };\n\n    /**\n     * Save the settings.\n     *\n     * @param {Event} e\n     * @method saveSettings\n     */\n    settingsMod.prototype.saveSettings = function(e) {\n        var pendingPromise = new Pending();\n        e.preventDefault();\n\n        var newValue = this._find('input[name=\"pushratingstouserplans\"]:checked').val();\n        var courseId = this._find('input[name=\"courseid\"]').val();\n        var settings = {pushratingstouserplans: newValue};\n\n        ajax.call([\n            {methodname: 'core_competency_update_course_competency_settings',\n              args: {courseid: courseId, settings: settings}}\n        ])[0]\n        .then(function() {\n            return this.refreshCourseCompetenciesPage();\n        }.bind(this))\n        .then(pendingPromise.resolve)\n        .catch(notification.exception);\n\n    };\n\n    /**\n     * Refresh the course competencies page.\n     *\n     * @param {Event} e\n     * @method saveSettings\n     */\n    settingsMod.prototype.refreshCourseCompetenciesPage = function() {\n        var courseId = this._find('input[name=\"courseid\"]').val();\n        var pendingPromise = new Pending();\n\n        ajax.call([\n            {methodname: 'tool_lp_data_for_course_competencies_page',\n              args: {courseid: courseId, moduleid: 0}}\n        ])[0]\n        .then(function(context) {\n            return templates.render('tool_lp/course_competencies_page', context);\n        })\n        .then(function(html, js) {\n            templates.replaceNode($('[data-region=\"coursecompetenciespage\"]'), html, js);\n            this._dialogue.close();\n\n            return;\n        }.bind(this))\n        .then(pendingPromise.resolve)\n        .catch(notification.exception);\n    };\n\n    return /** @alias module:tool_lp/configurecoursecompetencysettings */ settingsMod;\n});\n"],"file":"course_competency_settings.min.js"}
\ No newline at end of file
+{"version":3,"file":"course_competency_settings.min.js","sources":["../src/course_competency_settings.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Change the course competency settings in a popup.\n *\n * @module     tool_lp/configurecoursecompetencysettings\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/notification',\n        'tool_lp/dialogue',\n        'core/str',\n        'core/ajax',\n        'core/templates',\n        'core/pending'\n        ],\n       function($, notification, Dialogue, str, ajax, templates, Pending) {\n\n    /**\n     * Constructor\n     *\n     * @param {String} selector - selector for the links to open the dialogue.\n     */\n    var settingsMod = function(selector) {\n        $(selector).on('click', this.configureSettings.bind(this));\n    };\n\n    /** @type {Dialogue} Reference to the dialogue that we opened. */\n    settingsMod.prototype._dialogue = null;\n\n    /**\n     * Open the configure settings dialogue.\n     *\n     * @param {Event} e\n     * @method configureSettings\n     */\n    settingsMod.prototype.configureSettings = function(e) {\n        var pendingPromise = new Pending();\n        var courseid = $(e.target).closest('a').data('courseid');\n        var currentValue = $(e.target).closest('a').data('pushratingstouserplans');\n        var context = {\n            courseid: courseid,\n            settings: {pushratingstouserplans: currentValue}\n        };\n        e.preventDefault();\n\n        $.when(\n            str.get_string('configurecoursecompetencysettings', 'tool_lp'),\n            templates.render('tool_lp/course_competency_settings', context),\n        )\n        .then(function(title, templateResult) {\n            this._dialogue = new Dialogue(\n                title,\n                templateResult[0],\n                this.addListeners.bind(this)\n            );\n\n            return this._dialogue;\n        }.bind(this))\n        .then(pendingPromise.resolve)\n        .catch(notification.exception);\n    };\n\n    /**\n     * Add the save listener to the form.\n     *\n     * @method addSaveListener\n     */\n    settingsMod.prototype.addListeners = function() {\n        var save = this._find('[data-action=\"save\"]');\n        save.on('click', this.saveSettings.bind(this));\n        var cancel = this._find('[data-action=\"cancel\"]');\n        cancel.on('click', this.cancelChanges.bind(this));\n    };\n\n    /**\n     * Cancel the changes.\n     *\n     * @param {Event} e\n     * @method cancelChanges\n     */\n    settingsMod.prototype.cancelChanges = function(e) {\n        e.preventDefault();\n        this._dialogue.close();\n    };\n\n    /**\n     * Cancel the changes.\n     *\n     * @param {String} selector\n     * @return {JQuery}\n     */\n    settingsMod.prototype._find = function(selector) {\n        return $('[data-region=\"coursecompetencysettings\"]').find(selector);\n    };\n\n    /**\n     * Save the settings.\n     *\n     * @param {Event} e\n     * @method saveSettings\n     */\n    settingsMod.prototype.saveSettings = function(e) {\n        var pendingPromise = new Pending();\n        e.preventDefault();\n\n        var newValue = this._find('input[name=\"pushratingstouserplans\"]:checked').val();\n        var courseId = this._find('input[name=\"courseid\"]').val();\n        var settings = {pushratingstouserplans: newValue};\n\n        ajax.call([\n            {methodname: 'core_competency_update_course_competency_settings',\n              args: {courseid: courseId, settings: settings}}\n        ])[0]\n        .then(function() {\n            return this.refreshCourseCompetenciesPage();\n        }.bind(this))\n        .then(pendingPromise.resolve)\n        .catch(notification.exception);\n\n    };\n\n    /**\n     * Refresh the course competencies page.\n     *\n     * @param {Event} e\n     * @method saveSettings\n     */\n    settingsMod.prototype.refreshCourseCompetenciesPage = function() {\n        var courseId = this._find('input[name=\"courseid\"]').val();\n        var pendingPromise = new Pending();\n\n        ajax.call([\n            {methodname: 'tool_lp_data_for_course_competencies_page',\n              args: {courseid: courseId, moduleid: 0}}\n        ])[0]\n        .then(function(context) {\n            return templates.render('tool_lp/course_competencies_page', context);\n        })\n        .then(function(html, js) {\n            templates.replaceNode($('[data-region=\"coursecompetenciespage\"]'), html, js);\n            this._dialogue.close();\n\n            return;\n        }.bind(this))\n        .then(pendingPromise.resolve)\n        .catch(notification.exception);\n    };\n\n    return /** @alias module:tool_lp/configurecoursecompetencysettings */ 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\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/dialogue.min.js b/admin/tool/lp/amd/build/dialogue.min.js
index 6e0c86cdfbd..9c8f8879530 100644
--- a/admin/tool/lp/amd/build/dialogue.min.js
+++ b/admin/tool/lp/amd/build/dialogue.min.js
@@ -1,2 +1,12 @@
-define ("tool_lp/dialogue",["core/yui"],function(a){var b=function(b,c,d,e,f){M.util.js_pending("tool_lp/dialogue:dialogue");this.yuiDialogue=null;var g=this;if("undefined"==typeof f){f=!1}a.use("moodle-core-notification","timers",function(){var h="480px";if(f){h="800px"}g.yuiDialogue=new M.core.dialogue({headerContent:b,bodyContent:c,draggable:!0,visible:!1,center:!0,modal:!0,width:h});g.yuiDialogue.before("visibleChange",function(){M.util.js_pending("tool_lp/dialogue:before:visibleChange")});g.yuiDialogue.after("visibleChange",function(b){if(b.newVal){if("undefined"!=typeof d){a.soon(function(){d(g);g.yuiDialogue.centerDialogue();M.util.js_complete("tool_lp/dialogue:before:visibleChange")})}else{M.util.js_complete("tool_lp/dialogue:before:visibleChange")}}else{if("undefined"!=typeof e){a.soon(function(){e(g);M.util.js_complete("tool_lp/dialogue:before:visibleChange")})}else{M.util.js_complete("tool_lp/dialogue:before:visibleChange")}}});g.yuiDialogue.show();M.util.js_complete("tool_lp/dialogue:dialogue")})};b.prototype.close=function(){this.yuiDialogue.hide();this.yuiDialogue.destroy()};b.prototype.getContent=function(){return this.yuiDialogue.bodyNode.getDOMNode()};return b});
-//# sourceMappingURL=dialogue.min.js.map
+/**
+ * Wrapper for the YUI M.core.notification class. Allows us to
+ * use the YUI version in AMD code until it is replaced.
+ *
+ * @module     tool_lp/dialogue
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/dialogue",["core/yui"],(function(Y){var dialogue=function(title,content,afterShow,afterHide,wide){M.util.js_pending("tool_lp/dialogue:dialogue"),this.yuiDialogue=null;var parent=this;void 0===wide&&(wide=!1),Y.use("moodle-core-notification","timers",(function(){var width="480px";wide&&(width="800px"),parent.yuiDialogue=new M.core.dialogue({headerContent:title,bodyContent:content,draggable:!0,visible:!1,center:!0,modal:!0,width:width}),parent.yuiDialogue.before("visibleChange",(function(){M.util.js_pending("tool_lp/dialogue:before:visibleChange")})),parent.yuiDialogue.after("visibleChange",(function(e){e.newVal?void 0!==afterShow?Y.soon((function(){afterShow(parent),parent.yuiDialogue.centerDialogue(),M.util.js_complete("tool_lp/dialogue:before:visibleChange")})):M.util.js_complete("tool_lp/dialogue:before:visibleChange"):void 0!==afterHide?Y.soon((function(){afterHide(parent),M.util.js_complete("tool_lp/dialogue:before:visibleChange")})):M.util.js_complete("tool_lp/dialogue:before:visibleChange")})),parent.yuiDialogue.show(),M.util.js_complete("tool_lp/dialogue:dialogue")}))};return dialogue.prototype.close=function(){this.yuiDialogue.hide(),this.yuiDialogue.destroy()},dialogue.prototype.getContent=function(){return this.yuiDialogue.bodyNode.getDOMNode()},dialogue}));
+
+//# sourceMappingURL=dialogue.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/dialogue.min.js.map b/admin/tool/lp/amd/build/dialogue.min.js.map
index 881dda158e6..d3e2ee5454a 100644
--- a/admin/tool/lp/amd/build/dialogue.min.js.map
+++ b/admin/tool/lp/amd/build/dialogue.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/dialogue.js"],"names":["define","Y","dialogue","title","content","afterShow","afterHide","wide","M","util","js_pending","yuiDialogue","parent","use","width","core","headerContent","bodyContent","draggable","visible","center","modal","before","after","e","newVal","soon","centerDialogue","js_complete","show","prototype","close","hide","destroy","getContent","bodyNode","getDOMNode"],"mappings":"AAwBAA,OAAM,oBAAC,CAAC,UAAD,CAAD,CAAe,SAASC,CAAT,CAAY,CAY7B,GAAIC,CAAAA,CAAQ,CAAG,SAASC,CAAT,CAAgBC,CAAhB,CAAyBC,CAAzB,CAAoCC,CAApC,CAA+CC,CAA/C,CAAqD,CAChEC,CAAC,CAACC,IAAF,CAAOC,UAAP,CAAkB,2BAAlB,EAEA,KAAKC,WAAL,CAAmB,IAAnB,CACA,GAAIC,CAAAA,CAAM,CAAG,IAAb,CAGA,GAAmB,WAAf,QAAOL,CAAAA,CAAX,CAAgC,CAC5BA,CAAI,GACP,CAEDN,CAAC,CAACY,GAAF,CAAM,0BAAN,CAAkC,QAAlC,CAA4C,UAAW,CACnD,GAAIC,CAAAA,CAAK,CAAG,OAAZ,CACA,GAAIP,CAAJ,CAAU,CACNO,CAAK,CAAG,OACX,CAEDF,CAAM,CAACD,WAAP,CAAqB,GAAIH,CAAAA,CAAC,CAACO,IAAF,CAAOb,QAAX,CAAoB,CACrCc,aAAa,CAAEb,CADsB,CAErCc,WAAW,CAAEb,CAFwB,CAGrCc,SAAS,GAH4B,CAIrCC,OAAO,GAJ8B,CAKrCC,MAAM,GAL+B,CAMrCC,KAAK,GANgC,CAOrCP,KAAK,CAAEA,CAP8B,CAApB,CAArB,CAUAF,CAAM,CAACD,WAAP,CAAmBW,MAAnB,CAA0B,eAA1B,CAA2C,UAAW,CAClDd,CAAC,CAACC,IAAF,CAAOC,UAAP,CAAkB,uCAAlB,CACH,CAFD,EAIAE,CAAM,CAACD,WAAP,CAAmBY,KAAnB,CAAyB,eAAzB,CAA0C,SAASC,CAAT,CAAY,CAClD,GAAIA,CAAC,CAACC,MAAN,CAAc,CAGV,GAA0B,WAArB,QAAOpB,CAAAA,CAAZ,CAAwC,CACpCJ,CAAC,CAACyB,IAAF,CAAO,UAAW,CACdrB,CAAS,CAACO,CAAD,CAAT,CACAA,CAAM,CAACD,WAAP,CAAmBgB,cAAnB,GACAnB,CAAC,CAACC,IAAF,CAAOmB,WAAP,CAAmB,uCAAnB,CACH,CAJD,CAKH,CAND,IAMO,CACHpB,CAAC,CAACC,IAAF,CAAOmB,WAAP,CAAmB,uCAAnB,CACH,CACJ,CAZD,IAYO,CACH,GAA0B,WAArB,QAAOtB,CAAAA,CAAZ,CAAwC,CACpCL,CAAC,CAACyB,IAAF,CAAO,UAAW,CACdpB,CAAS,CAACM,CAAD,CAAT,CACAJ,CAAC,CAACC,IAAF,CAAOmB,WAAP,CAAmB,uCAAnB,CACH,CAHD,CAIH,CALD,IAKO,CACHpB,CAAC,CAACC,IAAF,CAAOmB,WAAP,CAAmB,uCAAnB,CACH,CACJ,CACJ,CAvBD,EAyBAhB,CAAM,CAACD,WAAP,CAAmBkB,IAAnB,GACArB,CAAC,CAACC,IAAF,CAAOmB,WAAP,CAAmB,2BAAnB,CACH,CA/CD,CAgDH,CA3DD,CAgEA1B,CAAQ,CAAC4B,SAAT,CAAmBC,KAAnB,CAA2B,UAAW,CAClC,KAAKpB,WAAL,CAAiBqB,IAAjB,GACA,KAAKrB,WAAL,CAAiBsB,OAAjB,EACH,CAHD,CASA/B,CAAQ,CAAC4B,SAAT,CAAmBI,UAAnB,CAAgC,UAAW,CACvC,MAAO,MAAKvB,WAAL,CAAiBwB,QAAjB,CAA0BC,UAA1B,EACV,CAFD,CAIA,MAA6ClC,CAAAA,CAChD,CA1FK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Wrapper for the YUI M.core.notification class. Allows us to\n * use the YUI version in AMD code until it is replaced.\n *\n * @module     tool_lp/dialogue\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/yui'], function(Y) {\n\n    // Private variables and functions.\n    /**\n     * Constructor\n     *\n     * @param {String} title Title for the window.\n     * @param {String} content The content for the window.\n     * @param {function} afterShow Callback executed after the window is opened.\n     * @param {function} afterHide Callback executed after the window is closed.\n     * @param {Boolean} wide Specify we want an extra wide dialogue (the size is standard, but wider than the default).\n     */\n    var dialogue = function(title, content, afterShow, afterHide, wide) {\n        M.util.js_pending('tool_lp/dialogue:dialogue');\n\n        this.yuiDialogue = null;\n        var parent = this;\n\n        // Default for wide is false.\n        if (typeof wide == 'undefined') {\n            wide = false;\n        }\n\n        Y.use('moodle-core-notification', 'timers', function() {\n            var width = '480px';\n            if (wide) {\n                width = '800px';\n            }\n\n            parent.yuiDialogue = new M.core.dialogue({\n                headerContent: title,\n                bodyContent: content,\n                draggable: true,\n                visible: false,\n                center: true,\n                modal: true,\n                width: width\n            });\n\n            parent.yuiDialogue.before('visibleChange', function() {\n                M.util.js_pending('tool_lp/dialogue:before:visibleChange');\n            });\n\n            parent.yuiDialogue.after('visibleChange', function(e) {\n                if (e.newVal) {\n                    // Delay the callback call to the next tick, otherwise it can happen that it is\n                    // executed before the dialogue constructor returns.\n                    if ((typeof afterShow !== 'undefined')) {\n                        Y.soon(function() {\n                            afterShow(parent);\n                            parent.yuiDialogue.centerDialogue();\n                            M.util.js_complete('tool_lp/dialogue:before:visibleChange');\n                        });\n                    } else {\n                        M.util.js_complete('tool_lp/dialogue:before:visibleChange');\n                    }\n                } else {\n                    if ((typeof afterHide !== 'undefined')) {\n                        Y.soon(function() {\n                            afterHide(parent);\n                            M.util.js_complete('tool_lp/dialogue:before:visibleChange');\n                        });\n                    } else {\n                        M.util.js_complete('tool_lp/dialogue:before:visibleChange');\n                    }\n                }\n            });\n\n            parent.yuiDialogue.show();\n            M.util.js_complete('tool_lp/dialogue:dialogue');\n        });\n    };\n\n    /**\n     * Close this window.\n     */\n    dialogue.prototype.close = function() {\n        this.yuiDialogue.hide();\n        this.yuiDialogue.destroy();\n    };\n\n    /**\n     * Get content.\n     * @return {node}\n     */\n    dialogue.prototype.getContent = function() {\n        return this.yuiDialogue.bodyNode.getDOMNode();\n    };\n\n    return /** @alias module:tool_lp/dialogue */ dialogue;\n});\n"],"file":"dialogue.min.js"}
\ No newline at end of file
+{"version":3,"file":"dialogue.min.js","sources":["../src/dialogue.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Wrapper for the YUI M.core.notification class. Allows us to\n * use the YUI version in AMD code until it is replaced.\n *\n * @module     tool_lp/dialogue\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/yui'], function(Y) {\n\n    // Private variables and functions.\n    /**\n     * Constructor\n     *\n     * @param {String} title Title for the window.\n     * @param {String} content The content for the window.\n     * @param {function} afterShow Callback executed after the window is opened.\n     * @param {function} afterHide Callback executed after the window is closed.\n     * @param {Boolean} wide Specify we want an extra wide dialogue (the size is standard, but wider than the default).\n     */\n    var dialogue = function(title, content, afterShow, afterHide, wide) {\n        M.util.js_pending('tool_lp/dialogue:dialogue');\n\n        this.yuiDialogue = null;\n        var parent = this;\n\n        // Default for wide is false.\n        if (typeof wide == 'undefined') {\n            wide = false;\n        }\n\n        Y.use('moodle-core-notification', 'timers', function() {\n            var width = '480px';\n            if (wide) {\n                width = '800px';\n            }\n\n            parent.yuiDialogue = new M.core.dialogue({\n                headerContent: title,\n                bodyContent: content,\n                draggable: true,\n                visible: false,\n                center: true,\n                modal: true,\n                width: width\n            });\n\n            parent.yuiDialogue.before('visibleChange', function() {\n                M.util.js_pending('tool_lp/dialogue:before:visibleChange');\n            });\n\n            parent.yuiDialogue.after('visibleChange', function(e) {\n                if (e.newVal) {\n                    // Delay the callback call to the next tick, otherwise it can happen that it is\n                    // executed before the dialogue constructor returns.\n                    if ((typeof afterShow !== 'undefined')) {\n                        Y.soon(function() {\n                            afterShow(parent);\n                            parent.yuiDialogue.centerDialogue();\n                            M.util.js_complete('tool_lp/dialogue:before:visibleChange');\n                        });\n                    } else {\n                        M.util.js_complete('tool_lp/dialogue:before:visibleChange');\n                    }\n                } else {\n                    if ((typeof afterHide !== 'undefined')) {\n                        Y.soon(function() {\n                            afterHide(parent);\n                            M.util.js_complete('tool_lp/dialogue:before:visibleChange');\n                        });\n                    } else {\n                        M.util.js_complete('tool_lp/dialogue:before:visibleChange');\n                    }\n                }\n            });\n\n            parent.yuiDialogue.show();\n            M.util.js_complete('tool_lp/dialogue:dialogue');\n        });\n    };\n\n    /**\n     * Close this window.\n     */\n    dialogue.prototype.close = function() {\n        this.yuiDialogue.hide();\n        this.yuiDialogue.destroy();\n    };\n\n    /**\n     * Get content.\n     * @return {node}\n     */\n    dialogue.prototype.getContent = function() {\n        return this.yuiDialogue.bodyNode.getDOMNode();\n    };\n\n    return /** @alias module:tool_lp/dialogue */ dialogue;\n});\n"],"names":["define","Y","dialogue","title","content","afterShow","afterHide","wide","M","util","js_pending","yuiDialogue","parent","this","use","width","core","headerContent","bodyContent","draggable","visible","center","modal","before","after","e","newVal","soon","centerDialogue","js_complete","show","prototype","close","hide","destroy","getContent","bodyNode","getDOMNode"],"mappings":";;;;;;;;;AAwBAA,0BAAO,CAAC,aAAa,SAASC,OAYtBC,SAAW,SAASC,MAAOC,QAASC,UAAWC,UAAWC,MAC1DC,EAAEC,KAAKC,WAAW,kCAEbC,YAAc,SACfC,OAASC,UAGM,IAARN,OACPA,MAAO,GAGXN,EAAEa,IAAI,2BAA4B,UAAU,eACpCC,MAAQ,QACRR,OACAQ,MAAQ,SAGZH,OAAOD,YAAc,IAAIH,EAAEQ,KAAKd,SAAS,CACrCe,cAAed,MACfe,YAAad,QACbe,WAAW,EACXC,SAAS,EACTC,QAAQ,EACRC,OAAO,EACPP,MAAOA,QAGXH,OAAOD,YAAYY,OAAO,iBAAiB,WACvCf,EAAEC,KAAKC,WAAW,4CAGtBE,OAAOD,YAAYa,MAAM,iBAAiB,SAASC,GAC3CA,EAAEC,YAGwB,IAAdrB,UACRJ,EAAE0B,MAAK,WACHtB,UAAUO,QACVA,OAAOD,YAAYiB,iBACnBpB,EAAEC,KAAKoB,YAAY,4CAGvBrB,EAAEC,KAAKoB,YAAY,8CAGG,IAAdvB,UACRL,EAAE0B,MAAK,WACHrB,UAAUM,QACVJ,EAAEC,KAAKoB,YAAY,4CAGvBrB,EAAEC,KAAKoB,YAAY,4CAK/BjB,OAAOD,YAAYmB,OACnBtB,EAAEC,KAAKoB,YAAY,wCAO3B3B,SAAS6B,UAAUC,MAAQ,gBAClBrB,YAAYsB,YACZtB,YAAYuB,WAOrBhC,SAAS6B,UAAUI,WAAa,kBACrBtB,KAAKF,YAAYyB,SAASC,cAGQnC"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/dragdrop-reorder.min.js b/admin/tool/lp/amd/build/dragdrop-reorder.min.js
index d83b1c62107..1ed6b36bee3 100644
--- a/admin/tool/lp/amd/build/dragdrop-reorder.min.js
+++ b/admin/tool/lp/amd/build/dragdrop-reorder.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/dragdrop-reorder",["core/str","core/yui"],function(a,b){var c=null,d=function(a){var b=a.drag.get("node"),c=a.drop.get("node");this.callback(b.getDOMNode(),c.getDOMNode())};return{dragdrop:function dragdrop(e,f,g,h,i,j,k,l){a.get_strings([{key:"emptydragdropregion",component:"moodle"},{key:"movecontent",component:"moodle"},{key:"tocontent",component:"moodle"}]).done(function(){b.use("moodle-tool_lp-dragdrop-reorder",function(){if(c){c.destroy()}c=M.tool_lp.dragdrop_reorder({group:e,dragHandleText:f,sameNodeText:g,parentNodeText:h,sameNodeClass:i,parentNodeClass:j,dragHandleInsertClass:k,callback:b.bind(d,{callback:l})})})})}}});
-//# sourceMappingURL=dragdrop-reorder.min.js.map
+/**
+ * Drag and drop reorder via HTML5.
+ *
+ * @module     tool_lp/dragdrop-reorder
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/dragdrop-reorder",["core/str","core/yui"],(function(str,Y){var dragDropInstance=null,proxyCallback=function(e){var dragNode=e.drag.get("node"),dropNode=e.drop.get("node");this.callback(dragNode.getDOMNode(),dropNode.getDOMNode())};return{dragdrop:function(group,dragHandleText,sameNodeText,parentNodeText,sameNodeClass,parentNodeClass,dragHandleInsertClass,callback){str.get_strings([{key:"emptydragdropregion",component:"moodle"},{key:"movecontent",component:"moodle"},{key:"tocontent",component:"moodle"}]).done((function(){Y.use("moodle-tool_lp-dragdrop-reorder",(function(){var context={callback:callback};dragDropInstance&&dragDropInstance.destroy(),dragDropInstance=M.tool_lp.dragdrop_reorder({group:group,dragHandleText:dragHandleText,sameNodeText:sameNodeText,parentNodeText:parentNodeText,sameNodeClass:sameNodeClass,parentNodeClass:parentNodeClass,dragHandleInsertClass:dragHandleInsertClass,callback:Y.bind(proxyCallback,context)})}))}))}}}));
+
+//# sourceMappingURL=dragdrop-reorder.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/dragdrop-reorder.min.js.map b/admin/tool/lp/amd/build/dragdrop-reorder.min.js.map
index dd6b103aa80..67bee4df382 100644
--- a/admin/tool/lp/amd/build/dragdrop-reorder.min.js.map
+++ b/admin/tool/lp/amd/build/dragdrop-reorder.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/dragdrop-reorder.js"],"names":["define","str","Y","dragDropInstance","proxyCallback","e","dragNode","drag","get","dropNode","drop","callback","getDOMNode","dragdrop","group","dragHandleText","sameNodeText","parentNodeText","sameNodeClass","parentNodeClass","dragHandleInsertClass","get_strings","key","component","done","use","destroy","M","tool_lp","dragdrop_reorder","bind"],"mappings":"AAuBAA,OAAM,4BAAC,CAAC,UAAD,CAAa,UAAb,CAAD,CAA2B,SAASC,CAAT,CAAcC,CAAd,CAAiB,IAQ1CC,CAAAA,CAAgB,CAAG,IARuB,CAe1CC,CAAa,CAAG,SAASC,CAAT,CAAY,IACxBC,CAAAA,CAAQ,CAAGD,CAAC,CAACE,IAAF,CAAOC,GAAP,CAAW,MAAX,CADa,CAExBC,CAAQ,CAAGJ,CAAC,CAACK,IAAF,CAAOF,GAAP,CAAW,MAAX,CAFa,CAG5B,KAAKG,QAAL,CAAcL,CAAQ,CAACM,UAAT,EAAd,CAAqCH,CAAQ,CAACG,UAAT,EAArC,CACH,CAnB6C,CAqB9C,MAAqD,CAcjDC,QAAQ,CAAE,kBAASC,CAAT,CACSC,CADT,CAESC,CAFT,CAGSC,CAHT,CAISC,CAJT,CAKSC,CALT,CAMSC,CANT,CAOST,CAPT,CAOmB,CAGzBV,CAAG,CAACoB,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAE,qBAAN,CAA6BC,SAAS,CAAE,QAAxC,CADY,CAEZ,CAACD,GAAG,CAAE,aAAN,CAAqBC,SAAS,CAAE,QAAhC,CAFY,CAGZ,CAACD,GAAG,CAAE,WAAN,CAAmBC,SAAS,CAAE,QAA9B,CAHY,CAAhB,EAIGC,IAJH,CAIQ,UAAW,CACftB,CAAC,CAACuB,GAAF,CAAM,iCAAN,CAAyC,UAAW,CAKhD,GAAItB,CAAJ,CAAsB,CAClBA,CAAgB,CAACuB,OAAjB,EACH,CACDvB,CAAgB,CAAGwB,CAAC,CAACC,OAAF,CAAUC,gBAAV,CAA2B,CAC1Cf,KAAK,CAAEA,CADmC,CAE1CC,cAAc,CAAEA,CAF0B,CAG1CC,YAAY,CAAEA,CAH4B,CAI1CC,cAAc,CAAEA,CAJ0B,CAK1CC,aAAa,CAAEA,CAL2B,CAM1CC,eAAe,CAAEA,CANyB,CAO1CC,qBAAqB,CAAEA,CAPmB,CAQ1CT,QAAQ,CAAET,CAAC,CAAC4B,IAAF,CAAO1B,CAAP,CAdA,CACVO,QAAQ,CAAEA,CADA,CAcA,CARgC,CAA3B,CAUtB,CAlBD,CAmBH,CAxBD,CAyBH,CAjDgD,CAoDxD,CAzEK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Drag and drop reorder via HTML5.\n *\n * @module     tool_lp/dragdrop-reorder\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/str', 'core/yui'], function(str, Y) {\n    // Private variables and functions.\n\n    /**\n     * Store the current instance of the core drag drop.\n     *\n     * @property dragDropInstance M.tool_lp.dragdrop_reorder\n     */\n    var dragDropInstance = null;\n\n    /**\n     * Translate the drophit event from YUI\n     * into simple drag and drop nodes.\n     * @param {Y.Event} e The yui drop event.\n     */\n    var proxyCallback = function(e) {\n        var dragNode = e.drag.get('node');\n        var dropNode = e.drop.get('node');\n        this.callback(dragNode.getDOMNode(), dropNode.getDOMNode());\n    };\n\n    return /** @alias module:tool_lp/dragdrop-reorder */ {\n        // Public variables and functions.\n        /**\n         * Create an instance of M.tool_lp.dragdrop\n         *\n         * @param {String} group Unique string to identify this interaction.\n         * @param {String} dragHandleText Alt text for the drag handle.\n         * @param {String} sameNodeText Used in keyboard drag drop for the list of items target.\n         * @param {String} parentNodeText Used in keyboard drag drop for the parent target.\n         * @param {String} sameNodeClass class used to find the each of the list of items.\n         * @param {String} parentNodeClass class used to find the container for the list of items.\n         * @param {String} dragHandleInsertClass class used to find the location to insert the drag handles.\n         * @param {function} callback Drop hit handler.\n         */\n        dragdrop: function(group,\n                           dragHandleText,\n                           sameNodeText,\n                           parentNodeText,\n                           sameNodeClass,\n                           parentNodeClass,\n                           dragHandleInsertClass,\n                           callback) {\n            // Here we are wrapping YUI. This allows us to start transitioning, but\n            // wait for a good alternative without having inconsistent UIs.\n            str.get_strings([\n                {key: 'emptydragdropregion', component: 'moodle'},\n                {key: 'movecontent', component: 'moodle'},\n                {key: 'tocontent', component: 'moodle'},\n            ]).done(function() {\n                Y.use('moodle-tool_lp-dragdrop-reorder', function() {\n\n                    var context = {\n                        callback: callback\n                    };\n                    if (dragDropInstance) {\n                        dragDropInstance.destroy();\n                    }\n                    dragDropInstance = M.tool_lp.dragdrop_reorder({\n                        group: group,\n                        dragHandleText: dragHandleText,\n                        sameNodeText: sameNodeText,\n                        parentNodeText: parentNodeText,\n                        sameNodeClass: sameNodeClass,\n                        parentNodeClass: parentNodeClass,\n                        dragHandleInsertClass: dragHandleInsertClass,\n                        callback: Y.bind(proxyCallback, context)\n                    });\n                });\n            });\n        }\n\n    };\n});\n"],"file":"dragdrop-reorder.min.js"}
\ No newline at end of file
+{"version":3,"file":"dragdrop-reorder.min.js","sources":["../src/dragdrop-reorder.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Drag and drop reorder via HTML5.\n *\n * @module     tool_lp/dragdrop-reorder\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/str', 'core/yui'], function(str, Y) {\n    // Private variables and functions.\n\n    /**\n     * Store the current instance of the core drag drop.\n     *\n     * @property dragDropInstance M.tool_lp.dragdrop_reorder\n     */\n    var dragDropInstance = null;\n\n    /**\n     * Translate the drophit event from YUI\n     * into simple drag and drop nodes.\n     * @param {Y.Event} e The yui drop event.\n     */\n    var proxyCallback = function(e) {\n        var dragNode = e.drag.get('node');\n        var dropNode = e.drop.get('node');\n        this.callback(dragNode.getDOMNode(), dropNode.getDOMNode());\n    };\n\n    return /** @alias module:tool_lp/dragdrop-reorder */ {\n        // Public variables and functions.\n        /**\n         * Create an instance of M.tool_lp.dragdrop\n         *\n         * @param {String} group Unique string to identify this interaction.\n         * @param {String} dragHandleText Alt text for the drag handle.\n         * @param {String} sameNodeText Used in keyboard drag drop for the list of items target.\n         * @param {String} parentNodeText Used in keyboard drag drop for the parent target.\n         * @param {String} sameNodeClass class used to find the each of the list of items.\n         * @param {String} parentNodeClass class used to find the container for the list of items.\n         * @param {String} dragHandleInsertClass class used to find the location to insert the drag handles.\n         * @param {function} callback Drop hit handler.\n         */\n        dragdrop: function(group,\n                           dragHandleText,\n                           sameNodeText,\n                           parentNodeText,\n                           sameNodeClass,\n                           parentNodeClass,\n                           dragHandleInsertClass,\n                           callback) {\n            // Here we are wrapping YUI. This allows us to start transitioning, but\n            // wait for a good alternative without having inconsistent UIs.\n            str.get_strings([\n                {key: 'emptydragdropregion', component: 'moodle'},\n                {key: 'movecontent', component: 'moodle'},\n                {key: 'tocontent', component: 'moodle'},\n            ]).done(function() {\n                Y.use('moodle-tool_lp-dragdrop-reorder', function() {\n\n                    var context = {\n                        callback: callback\n                    };\n                    if (dragDropInstance) {\n                        dragDropInstance.destroy();\n                    }\n                    dragDropInstance = M.tool_lp.dragdrop_reorder({\n                        group: group,\n                        dragHandleText: dragHandleText,\n                        sameNodeText: sameNodeText,\n                        parentNodeText: parentNodeText,\n                        sameNodeClass: sameNodeClass,\n                        parentNodeClass: parentNodeClass,\n                        dragHandleInsertClass: dragHandleInsertClass,\n                        callback: Y.bind(proxyCallback, context)\n                    });\n                });\n            });\n        }\n\n    };\n});\n"],"names":["define","str","Y","dragDropInstance","proxyCallback","e","dragNode","drag","get","dropNode","drop","callback","getDOMNode","dragdrop","group","dragHandleText","sameNodeText","parentNodeText","sameNodeClass","parentNodeClass","dragHandleInsertClass","get_strings","key","component","done","use","context","destroy","M","tool_lp","dragdrop_reorder","bind"],"mappings":";;;;;;;;AAuBAA,kCAAO,CAAC,WAAY,aAAa,SAASC,IAAKC,OAQvCC,iBAAmB,KAOnBC,cAAgB,SAASC,OACrBC,SAAWD,EAAEE,KAAKC,IAAI,QACtBC,SAAWJ,EAAEK,KAAKF,IAAI,aACrBG,SAASL,SAASM,aAAcH,SAASG,qBAGG,CAcjDC,SAAU,SAASC,MACAC,eACAC,aACAC,eACAC,cACAC,gBACAC,sBACAT,UAGfV,IAAIoB,YAAY,CACZ,CAACC,IAAK,sBAAuBC,UAAW,UACxC,CAACD,IAAK,cAAeC,UAAW,UAChC,CAACD,IAAK,YAAaC,UAAW,YAC/BC,MAAK,WACJtB,EAAEuB,IAAI,mCAAmC,eAEjCC,QAAU,CACVf,SAAUA,UAEVR,kBACAA,iBAAiBwB,UAErBxB,iBAAmByB,EAAEC,QAAQC,iBAAiB,CAC1ChB,MAAOA,MACPC,eAAgBA,eAChBC,aAAcA,aACdC,eAAgBA,eAChBC,cAAeA,cACfC,gBAAiBA,gBACjBC,sBAAuBA,sBACvBT,SAAUT,EAAE6B,KAAK3B,cAAesB"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/event_base.min.js b/admin/tool/lp/amd/build/event_base.min.js
index bd20aa13ce0..b4d3ed3b5ec 100644
--- a/admin/tool/lp/amd/build/event_base.min.js
+++ b/admin/tool/lp/amd/build/event_base.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/event_base",["jquery"],function(a){var b=function(){this._eventNode=a("<div></div>")};b.prototype._eventNode=null;b.prototype.on=function(a,b){this._eventNode.on(a,b)};b.prototype._trigger=function(a,b){this._eventNode.trigger(a,[b])};return b});
-//# sourceMappingURL=event_base.min.js.map
+/**
+ * Event base javascript module.
+ *
+ * @module     tool_lp/event_base
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/event_base",["jquery"],(function($){var Base=function(){this._eventNode=$("<div></div>")};return Base.prototype._eventNode=null,Base.prototype.on=function(type,handler){this._eventNode.on(type,handler)},Base.prototype._trigger=function(type,data){this._eventNode.trigger(type,[data])},Base}));
+
+//# sourceMappingURL=event_base.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/event_base.min.js.map b/admin/tool/lp/amd/build/event_base.min.js.map
index 2ca46e091a7..dca3f1c5261 100644
--- a/admin/tool/lp/amd/build/event_base.min.js.map
+++ b/admin/tool/lp/amd/build/event_base.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/event_base.js"],"names":["define","$","Base","_eventNode","prototype","on","type","handler","_trigger","data","trigger"],"mappings":"AAuBAA,OAAM,sBAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAK3B,GAAIC,CAAAA,CAAI,CAAG,UAAW,CAClB,KAAKC,UAAL,CAAkBF,CAAC,CAAC,aAAD,CACtB,CAFD,CAKAC,CAAI,CAACE,SAAL,CAAeD,UAAf,CAA4B,IAA5B,CASAD,CAAI,CAACE,SAAL,CAAeC,EAAf,CAAoB,SAASC,CAAT,CAAeC,CAAf,CAAwB,CACxC,KAAKJ,UAAL,CAAgBE,EAAhB,CAAmBC,CAAnB,CAAyBC,CAAzB,CACH,CAFD,CAWAL,CAAI,CAACE,SAAL,CAAeI,QAAf,CAA0B,SAASF,CAAT,CAAeG,CAAf,CAAqB,CAC3C,KAAKN,UAAL,CAAgBO,OAAhB,CAAwBJ,CAAxB,CAA8B,CAACG,CAAD,CAA9B,CACH,CAFD,CAIA,MAA+CP,CAAAA,CAClD,CAnCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Event base javascript module.\n *\n * @module     tool_lp/event_base\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Base class.\n     */\n    var Base = function() {\n        this._eventNode = $('<div></div>');\n    };\n\n    /** @type {Node} The node we attach the events to. */\n    Base.prototype._eventNode = null;\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} type The event type.\n     * @param {Function} handler The event listener.\n     * @method on\n     */\n    Base.prototype.on = function(type, handler) {\n        this._eventNode.on(type, handler);\n    };\n\n    /**\n     * Trigger an event.\n     *\n     * @param {String} type The type of event.\n     * @param {Object} data The data to pass to the listeners.\n     * @method _trigger\n     */\n    Base.prototype._trigger = function(type, data) {\n        this._eventNode.trigger(type, [data]);\n    };\n\n    return /** @alias module:tool_lp/event_base */ Base;\n});\n"],"file":"event_base.min.js"}
\ No newline at end of file
+{"version":3,"file":"event_base.min.js","sources":["../src/event_base.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Event base javascript module.\n *\n * @module     tool_lp/event_base\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Base class.\n     */\n    var Base = function() {\n        this._eventNode = $('<div></div>');\n    };\n\n    /** @type {Node} The node we attach the events to. */\n    Base.prototype._eventNode = null;\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} type The event type.\n     * @param {Function} handler The event listener.\n     * @method on\n     */\n    Base.prototype.on = function(type, handler) {\n        this._eventNode.on(type, handler);\n    };\n\n    /**\n     * Trigger an event.\n     *\n     * @param {String} type The type of event.\n     * @param {Object} data The data to pass to the listeners.\n     * @method _trigger\n     */\n    Base.prototype._trigger = function(type, data) {\n        this._eventNode.trigger(type, [data]);\n    };\n\n    return /** @alias module:tool_lp/event_base */ Base;\n});\n"],"names":["define","$","Base","_eventNode","prototype","on","type","handler","_trigger","data","trigger"],"mappings":";;;;;;;;AAuBAA,4BAAO,CAAC,WAAW,SAASC,OAKpBC,KAAO,gBACFC,WAAaF,EAAE,uBAIxBC,KAAKE,UAAUD,WAAa,KAS5BD,KAAKE,UAAUC,GAAK,SAASC,KAAMC,cAC1BJ,WAAWE,GAAGC,KAAMC,UAU7BL,KAAKE,UAAUI,SAAW,SAASF,KAAMG,WAChCN,WAAWO,QAAQJ,KAAM,CAACG,QAGYP"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/evidence_delete.min.js b/admin/tool/lp/amd/build/evidence_delete.min.js
index d74b0d9f06b..1d729b0211c 100644
--- a/admin/tool/lp/amd/build/evidence_delete.min.js
+++ b/admin/tool/lp/amd/build/evidence_delete.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/evidence_delete",["jquery","core/notification","core/ajax","core/str","core/log"],function(a,b,c,d,e){var f={};return{register:function register(g,h){if("undefined"!=typeof f[g]){return}f[g]=a("body").delegate(g,"click",function(f){var g=a(f.currentTarget).parents(h);if(!g.length||1<g.length){e.error("None or too many evidence container were found.");return}var i=g.data("id");if(!i){e.error("Evidence ID was not found.");return}f.preventDefault();f.stopPropagation();d.get_strings([{key:"confirm",component:"moodle"},{key:"areyousure",component:"moodle"},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(a){b.confirm(a[0],a[1],a[2],a[3],function(){var a=c.call([{methodname:"core_competency_delete_evidence",args:{id:i}}]);a[0].then(function(){g.remove()}).fail(b.exception)})}).fail(b.exception)})}}});
-//# sourceMappingURL=evidence_delete.min.js.map
+/**
+ * Evidence delete.
+ *
+ * @package    tool_lp
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/evidence_delete",["jquery","core/notification","core/ajax","core/str","core/log"],(function($,Notification,Ajax,Str,Log){var selectors={};return{register:function(triggerSelector,containerSelector){void 0===selectors[triggerSelector]&&(selectors[triggerSelector]=$("body").delegate(triggerSelector,"click",(function(e){var parent=$(e.currentTarget).parents(containerSelector);if(!parent.length||parent.length>1)Log.error("None or too many evidence container were found.");else{var evidenceId=parent.data("id");evidenceId?(e.preventDefault(),e.stopPropagation(),Str.get_strings([{key:"confirm",component:"moodle"},{key:"areyousure",component:"moodle"},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){Notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){Ajax.call([{methodname:"core_competency_delete_evidence",args:{id:evidenceId}}])[0].then((function(){parent.remove()})).fail(Notification.exception)}))})).fail(Notification.exception)):Log.error("Evidence ID was not found.")}})))}}}));
+
+//# sourceMappingURL=evidence_delete.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/evidence_delete.min.js.map b/admin/tool/lp/amd/build/evidence_delete.min.js.map
index 4a11ed20a94..6b6f448a3dd 100644
--- a/admin/tool/lp/amd/build/evidence_delete.min.js.map
+++ b/admin/tool/lp/amd/build/evidence_delete.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/evidence_delete.js"],"names":["define","$","Notification","Ajax","Str","Log","selectors","register","triggerSelector","containerSelector","delegate","e","parent","currentTarget","parents","length","error","evidenceId","data","preventDefault","stopPropagation","get_strings","key","component","done","strings","confirm","promise","call","methodname","args","id","then","remove","fail","exception"],"mappings":"AAuBAA,OAAM,2BAAC,CAAC,QAAD,CACC,mBADD,CAEC,WAFD,CAGC,UAHD,CAIC,UAJD,CAAD,CAKE,SAASC,CAAT,CAAYC,CAAZ,CAA0BC,CAA1B,CAAgCC,CAAhC,CAAqCC,CAArC,CAA0C,IAE1CC,CAAAA,CAAS,CAAG,EAF8B,CA4D9C,MAAoD,CAShDC,QAAQ,CA3DG,QAAXA,CAAAA,QAAW,CAASC,CAAT,CAA0BC,CAA1B,CAA6C,CACxD,GAA0C,WAAtC,QAAOH,CAAAA,CAAS,CAACE,CAAD,CAApB,CAAuD,CACnD,MACH,CAEDF,CAAS,CAACE,CAAD,CAAT,CAA6BP,CAAC,CAAC,MAAD,CAAD,CAAUS,QAAV,CAAmBF,CAAnB,CAAoC,OAApC,CAA6C,SAASG,CAAT,CAAY,CAClF,GAAIC,CAAAA,CAAM,CAAGX,CAAC,CAACU,CAAC,CAACE,aAAH,CAAD,CAAmBC,OAAnB,CAA2BL,CAA3B,CAAb,CACA,GAAI,CAACG,CAAM,CAACG,MAAR,EAAkC,CAAhB,CAAAH,CAAM,CAACG,MAA7B,CAAyC,CACrCV,CAAG,CAACW,KAAJ,CAAU,iDAAV,EACA,MACH,CACD,GAAIC,CAAAA,CAAU,CAAGL,CAAM,CAACM,IAAP,CAAY,IAAZ,CAAjB,CACA,GAAI,CAACD,CAAL,CAAiB,CACbZ,CAAG,CAACW,KAAJ,CAAU,4BAAV,EACA,MACH,CAEDL,CAAC,CAACQ,cAAF,GACAR,CAAC,CAACS,eAAF,GAEAhB,CAAG,CAACiB,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAE,SAAN,CAAiBC,SAAS,CAAE,QAA5B,CADY,CAEZ,CAACD,GAAG,CAAE,YAAN,CAAoBC,SAAS,CAAE,QAA/B,CAFY,CAGZ,CAACD,GAAG,CAAE,QAAN,CAAgBC,SAAS,CAAE,QAA3B,CAHY,CAIZ,CAACD,GAAG,CAAE,QAAN,CAAgBC,SAAS,CAAE,QAA3B,CAJY,CAAhB,EAKGC,IALH,CAKQ,SAASC,CAAT,CAAkB,CACtBvB,CAAY,CAACwB,OAAb,CACID,CAAO,CAAC,CAAD,CADX,CAEIA,CAAO,CAAC,CAAD,CAFX,CAGIA,CAAO,CAAC,CAAD,CAHX,CAIIA,CAAO,CAAC,CAAD,CAJX,CAKI,UAAW,CACP,GAAIE,CAAAA,CAAO,CAAGxB,CAAI,CAACyB,IAAL,CAAU,CAAC,CACrBC,UAAU,CAAE,iCADS,CAErBC,IAAI,CAAE,CACFC,EAAE,CAAEd,CADF,CAFe,CAAD,CAAV,CAAd,CAMAU,CAAO,CAAC,CAAD,CAAP,CAAWK,IAAX,CAAgB,UAAW,CACvBpB,CAAM,CAACqB,MAAP,EAEH,CAHD,EAGGC,IAHH,CAGQhC,CAAY,CAACiC,SAHrB,CAIH,CAhBL,CAkBH,CAxBD,EAwBGD,IAxBH,CAwBQhC,CAAY,CAACiC,SAxBrB,CA2BH,CA1C4B,CA2ChC,CAEmD,CAYvD,CA7EK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Evidence delete.\n *\n * @package    tool_lp\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/str',\n        'core/log'],\n        function($, Notification, Ajax, Str, Log) {\n\n    var selectors = {};\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} triggerSelector The node on which the click will happen.\n     * @param {String} containerSelector The parent node that will be removed and contains the evidence ID.\n     */\n    var register = function(triggerSelector, containerSelector) {\n        if (typeof selectors[triggerSelector] !== 'undefined') {\n            return;\n        }\n\n        selectors[triggerSelector] = $('body').delegate(triggerSelector, 'click', function(e) {\n            var parent = $(e.currentTarget).parents(containerSelector);\n            if (!parent.length || parent.length > 1) {\n                Log.error('None or too many evidence container were found.');\n                return;\n            }\n            var evidenceId = parent.data('id');\n            if (!evidenceId) {\n                Log.error('Evidence ID was not found.');\n                return;\n            }\n\n            e.preventDefault();\n            e.stopPropagation();\n\n            Str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'areyousure', component: 'moodle'},\n                {key: 'delete', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                Notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Are you sure?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    function() {\n                        var promise = Ajax.call([{\n                            methodname: 'core_competency_delete_evidence',\n                            args: {\n                                id: evidenceId\n                            }\n                        }]);\n                        promise[0].then(function() {\n                            parent.remove();\n                            return;\n                        }).fail(Notification.exception);\n                    }\n                );\n            }).fail(Notification.exception);\n\n\n        });\n    };\n\n    return /** @alias module:tool_lp/evidence_delete */ {\n\n        /**\n         * Register an event listener.\n         *\n         * @param {String} triggerSelector The node on which the click will happen.\n         * @param {String} containerSelector The parent node that will be removed and contains the evidence ID.\n         * @return {Void}\n         */\n        register: register\n    };\n\n});\n"],"file":"evidence_delete.min.js"}
\ No newline at end of file
+{"version":3,"file":"evidence_delete.min.js","sources":["../src/evidence_delete.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Evidence delete.\n *\n * @package    tool_lp\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/str',\n        'core/log'],\n        function($, Notification, Ajax, Str, Log) {\n\n    var selectors = {};\n\n    /**\n     * Register an event listener.\n     *\n     * @param {String} triggerSelector The node on which the click will happen.\n     * @param {String} containerSelector The parent node that will be removed and contains the evidence ID.\n     */\n    var register = function(triggerSelector, containerSelector) {\n        if (typeof selectors[triggerSelector] !== 'undefined') {\n            return;\n        }\n\n        selectors[triggerSelector] = $('body').delegate(triggerSelector, 'click', function(e) {\n            var parent = $(e.currentTarget).parents(containerSelector);\n            if (!parent.length || parent.length > 1) {\n                Log.error('None or too many evidence container were found.');\n                return;\n            }\n            var evidenceId = parent.data('id');\n            if (!evidenceId) {\n                Log.error('Evidence ID was not found.');\n                return;\n            }\n\n            e.preventDefault();\n            e.stopPropagation();\n\n            Str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'areyousure', component: 'moodle'},\n                {key: 'delete', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                Notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Are you sure?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    function() {\n                        var promise = Ajax.call([{\n                            methodname: 'core_competency_delete_evidence',\n                            args: {\n                                id: evidenceId\n                            }\n                        }]);\n                        promise[0].then(function() {\n                            parent.remove();\n                            return;\n                        }).fail(Notification.exception);\n                    }\n                );\n            }).fail(Notification.exception);\n\n\n        });\n    };\n\n    return /** @alias module:tool_lp/evidence_delete */ {\n\n        /**\n         * Register an event listener.\n         *\n         * @param {String} triggerSelector The node on which the click will happen.\n         * @param {String} containerSelector The parent node that will be removed and contains the evidence ID.\n         * @return {Void}\n         */\n        register: register\n    };\n\n});\n"],"names":["define","$","Notification","Ajax","Str","Log","selectors","register","triggerSelector","containerSelector","delegate","e","parent","currentTarget","parents","length","error","evidenceId","data","preventDefault","stopPropagation","get_strings","key","component","done","strings","confirm","call","methodname","args","id","then","remove","fail","exception"],"mappings":";;;;;;;AAuBAA,iCAAO,CAAC,SACA,oBACA,YACA,WACA,aACA,SAASC,EAAGC,aAAcC,KAAMC,IAAKC,SAErCC,UAAY,SA0DoC,CAShDC,SA3DW,SAASC,gBAAiBC,wBACK,IAA/BH,UAAUE,mBAIrBF,UAAUE,iBAAmBP,EAAE,QAAQS,SAASF,gBAAiB,SAAS,SAASG,OAC3EC,OAASX,EAAEU,EAAEE,eAAeC,QAAQL,uBACnCG,OAAOG,QAAUH,OAAOG,OAAS,EAClCV,IAAIW,MAAM,4DAGVC,WAAaL,OAAOM,KAAK,MACxBD,YAKLN,EAAEQ,iBACFR,EAAES,kBAEFhB,IAAIiB,YAAY,CACZ,CAACC,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,aAAcC,UAAW,UAC/B,CAACD,IAAK,SAAUC,UAAW,UAC3B,CAACD,IAAK,SAAUC,UAAW,YAC5BC,MAAK,SAASC,SACbvB,aAAawB,QACTD,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRA,QAAQ,IACR,WACkBtB,KAAKwB,KAAK,CAAC,CACrBC,WAAY,kCACZC,KAAM,CACFC,GAAIb,eAGJ,GAAGc,MAAK,WACZnB,OAAOoB,YAERC,KAAK/B,aAAagC,iBAG9BD,KAAK/B,aAAagC,YA/BjB7B,IAAIW,MAAM"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/form-cohort-selector.min.js b/admin/tool/lp/amd/build/form-cohort-selector.min.js
index 5a7a0144e19..091e143ca5e 100644
--- a/admin/tool/lp/amd/build/form-cohort-selector.min.js
+++ b/admin/tool/lp/amd/build/form-cohort-selector.min.js
@@ -1,2 +1,12 @@
-define ("tool_lp/form-cohort-selector",["jquery","core/ajax","core/templates"],function(a,b,c){return{processResults:function processResults(b,c){var d=[];a.each(c,function(a,b){d.push({value:b.id,label:b._label})});return d},transport:function transport(d,e,f,g){var h,i=parseInt(a(d).data("contextid"),10),j=a(d).data("includes");h=b.call([{methodname:"tool_lp_search_cohorts",args:{query:e,context:{contextid:i},includes:j}}]);h[0].then(function(b){var d=[],e=0;a.each(b.cohorts,function(a,b){d.push(c.render("tool_lp/form-cohort-selector-suggestion",b))});return a.when.apply(a.when,d).then(function(){var c=arguments;a.each(b.cohorts,function(a,b){b._label=c[e];e++});f(b.cohorts)})}).catch(g)}}});
-//# sourceMappingURL=form-cohort-selector.min.js.map
+/**
+ * Cohort selector module.
+ *
+ * @module     tool_lp/form-cohort-selector
+ * @class      form-cohort-selector
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/form-cohort-selector",["jquery","core/ajax","core/templates"],(function($,Ajax,Templates){return{processResults:function(selector,results){var cohorts=[];return $.each(results,(function(index,cohort){cohorts.push({value:cohort.id,label:cohort._label})})),cohorts},transport:function(selector,query,success,failure){var contextid=parseInt($(selector).data("contextid"),10),includes=$(selector).data("includes");Ajax.call([{methodname:"tool_lp_search_cohorts",args:{query:query,context:{contextid:contextid},includes:includes}}])[0].then((function(results){var promises=[],i=0;return $.each(results.cohorts,(function(index,cohort){promises.push(Templates.render("tool_lp/form-cohort-selector-suggestion",cohort))})),$.when.apply($.when,promises).then((function(){var args=arguments;$.each(results.cohorts,(function(index,cohort){cohort._label=args[i],i++})),success(results.cohorts)}))})).catch(failure)}}}));
+
+//# sourceMappingURL=form-cohort-selector.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/form-cohort-selector.min.js.map b/admin/tool/lp/amd/build/form-cohort-selector.min.js.map
index a2807432a0c..d15cd2040c9 100644
--- a/admin/tool/lp/amd/build/form-cohort-selector.min.js.map
+++ b/admin/tool/lp/amd/build/form-cohort-selector.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/form-cohort-selector.js"],"names":["define","$","Ajax","Templates","processResults","selector","results","cohorts","each","index","cohort","push","value","id","label","_label","transport","query","success","failure","promise","contextid","parseInt","data","includes","call","methodname","args","context","then","promises","i","render","when","apply","arguments","catch"],"mappings":"AAyBAA,OAAM,gCAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,gBAAxB,CAAD,CAA4C,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAA6B,CAE3E,MAAyD,CAErDC,cAAc,CAAE,wBAASC,CAAT,CAAmBC,CAAnB,CAA4B,CACxC,GAAIC,CAAAA,CAAO,CAAG,EAAd,CACAN,CAAC,CAACO,IAAF,CAAOF,CAAP,CAAgB,SAASG,CAAT,CAAgBC,CAAhB,CAAwB,CACpCH,CAAO,CAACI,IAAR,CAAa,CACTC,KAAK,CAAEF,CAAM,CAACG,EADL,CAETC,KAAK,CAAEJ,CAAM,CAACK,MAFL,CAAb,CAIH,CALD,EAMA,MAAOR,CAAAA,CACV,CAXoD,CAarDS,SAAS,CAAE,mBAASX,CAAT,CAAmBY,CAAnB,CAA0BC,CAA1B,CAAmCC,CAAnC,CAA4C,CACnD,GAAIC,CAAAA,CAAJ,CACIC,CAAS,CAAGC,QAAQ,CAACrB,CAAC,CAACI,CAAD,CAAD,CAAYkB,IAAZ,CAAiB,WAAjB,CAAD,CAAgC,EAAhC,CADxB,CAEIC,CAAQ,CAAGvB,CAAC,CAACI,CAAD,CAAD,CAAYkB,IAAZ,CAAiB,UAAjB,CAFf,CAIAH,CAAO,CAAGlB,CAAI,CAACuB,IAAL,CAAU,CAAC,CACjBC,UAAU,CAAE,wBADK,CAEjBC,IAAI,CAAE,CACFV,KAAK,CAAEA,CADL,CAEFW,OAAO,CAAE,CAACP,SAAS,CAAEA,CAAZ,CAFP,CAGFG,QAAQ,CAAEA,CAHR,CAFW,CAAD,CAAV,CAAV,CAQAJ,CAAO,CAAC,CAAD,CAAP,CAAWS,IAAX,CAAgB,SAASvB,CAAT,CAAkB,CAC9B,GAAIwB,CAAAA,CAAQ,CAAG,EAAf,CACIC,CAAC,CAAG,CADR,CAIA9B,CAAC,CAACO,IAAF,CAAOF,CAAO,CAACC,OAAf,CAAwB,SAASE,CAAT,CAAgBC,CAAhB,CAAwB,CAC5CoB,CAAQ,CAACnB,IAAT,CAAcR,CAAS,CAAC6B,MAAV,CAAiB,yCAAjB,CAA4DtB,CAA5D,CAAd,CACH,CAFD,EAKA,MAAOT,CAAAA,CAAC,CAACgC,IAAF,CAAOC,KAAP,CAAajC,CAAC,CAACgC,IAAf,CAAqBH,CAArB,EAA+BD,IAA/B,CAAoC,UAAW,CAClD,GAAIF,CAAAA,CAAI,CAAGQ,SAAX,CACAlC,CAAC,CAACO,IAAF,CAAOF,CAAO,CAACC,OAAf,CAAwB,SAASE,CAAT,CAAgBC,CAAhB,CAAwB,CAC5CA,CAAM,CAACK,MAAP,CAAgBY,CAAI,CAACI,CAAD,CAApB,CACAA,CAAC,EACJ,CAHD,EAIAb,CAAO,CAACZ,CAAO,CAACC,OAAT,CAEV,CARM,CAUV,CApBD,EAoBG6B,KApBH,CAoBSjB,CApBT,CAqBH,CA/CoD,CAmD5D,CArDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Cohort selector module.\n *\n * @module     tool_lp/form-cohort-selector\n * @class      form-cohort-selector\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/templates'], function($, Ajax, Templates) {\n\n    return /** @alias module:tool_lp/form-cohort-selector */ {\n\n        processResults: function(selector, results) {\n            var cohorts = [];\n            $.each(results, function(index, cohort) {\n                cohorts.push({\n                    value: cohort.id,\n                    label: cohort._label\n                });\n            });\n            return cohorts;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise,\n                contextid = parseInt($(selector).data('contextid'), 10),\n                includes = $(selector).data('includes');\n\n            promise = Ajax.call([{\n                methodname: 'tool_lp_search_cohorts',\n                args: {\n                    query: query,\n                    context: {contextid: contextid},\n                    includes: includes\n                }\n            }]);\n            promise[0].then(function(results) {\n                var promises = [],\n                    i = 0;\n\n                // Render the label.\n                $.each(results.cohorts, function(index, cohort) {\n                    promises.push(Templates.render('tool_lp/form-cohort-selector-suggestion', cohort));\n                });\n\n                // Apply the label to the results.\n                return $.when.apply($.when, promises).then(function() {\n                    var args = arguments;\n                    $.each(results.cohorts, function(index, cohort) {\n                        cohort._label = args[i];\n                        i++;\n                    });\n                    success(results.cohorts);\n                    return;\n                });\n\n            }).catch(failure);\n        }\n\n    };\n\n});\n"],"file":"form-cohort-selector.min.js"}
\ No newline at end of file
+{"version":3,"file":"form-cohort-selector.min.js","sources":["../src/form-cohort-selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Cohort selector module.\n *\n * @module     tool_lp/form-cohort-selector\n * @class      form-cohort-selector\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/templates'], function($, Ajax, Templates) {\n\n    return /** @alias module:tool_lp/form-cohort-selector */ {\n\n        processResults: function(selector, results) {\n            var cohorts = [];\n            $.each(results, function(index, cohort) {\n                cohorts.push({\n                    value: cohort.id,\n                    label: cohort._label\n                });\n            });\n            return cohorts;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise,\n                contextid = parseInt($(selector).data('contextid'), 10),\n                includes = $(selector).data('includes');\n\n            promise = Ajax.call([{\n                methodname: 'tool_lp_search_cohorts',\n                args: {\n                    query: query,\n                    context: {contextid: contextid},\n                    includes: includes\n                }\n            }]);\n            promise[0].then(function(results) {\n                var promises = [],\n                    i = 0;\n\n                // Render the label.\n                $.each(results.cohorts, function(index, cohort) {\n                    promises.push(Templates.render('tool_lp/form-cohort-selector-suggestion', cohort));\n                });\n\n                // Apply the label to the results.\n                return $.when.apply($.when, promises).then(function() {\n                    var args = arguments;\n                    $.each(results.cohorts, function(index, cohort) {\n                        cohort._label = args[i];\n                        i++;\n                    });\n                    success(results.cohorts);\n                    return;\n                });\n\n            }).catch(failure);\n        }\n\n    };\n\n});\n"],"names":["define","$","Ajax","Templates","processResults","selector","results","cohorts","each","index","cohort","push","value","id","label","_label","transport","query","success","failure","contextid","parseInt","data","includes","call","methodname","args","context","then","promises","i","render","when","apply","arguments","catch"],"mappings":";;;;;;;;;AAyBAA,sCAAO,CAAC,SAAU,YAAa,mBAAmB,SAASC,EAAGC,KAAMC,iBAEP,CAErDC,eAAgB,SAASC,SAAUC,aAC3BC,QAAU,UACdN,EAAEO,KAAKF,SAAS,SAASG,MAAOC,QAC5BH,QAAQI,KAAK,CACTC,MAAOF,OAAOG,GACdC,MAAOJ,OAAOK,YAGfR,SAGXS,UAAW,SAASX,SAAUY,MAAOC,QAASC,aAEtCC,UAAYC,SAASpB,EAAEI,UAAUiB,KAAK,aAAc,IACpDC,SAAWtB,EAAEI,UAAUiB,KAAK,YAEtBpB,KAAKsB,KAAK,CAAC,CACjBC,WAAY,yBACZC,KAAM,CACFT,MAAOA,MACPU,QAAS,CAACP,UAAWA,WACrBG,SAAUA,aAGV,GAAGK,MAAK,SAAStB,aACjBuB,SAAW,GACXC,EAAI,SAGR7B,EAAEO,KAAKF,QAAQC,SAAS,SAASE,MAAOC,QACpCmB,SAASlB,KAAKR,UAAU4B,OAAO,0CAA2CrB,YAIvET,EAAE+B,KAAKC,MAAMhC,EAAE+B,KAAMH,UAAUD,MAAK,eACnCF,KAAOQ,UACXjC,EAAEO,KAAKF,QAAQC,SAAS,SAASE,MAAOC,QACpCA,OAAOK,OAASW,KAAKI,GACrBA,OAEJZ,QAAQZ,QAAQC,eAIrB4B,MAAMhB"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/form-user-selector.min.js b/admin/tool/lp/amd/build/form-user-selector.min.js
index 0870d75389c..daae2103660 100644
--- a/admin/tool/lp/amd/build/form-user-selector.min.js
+++ b/admin/tool/lp/amd/build/form-user-selector.min.js
@@ -1,2 +1,12 @@
-define ("tool_lp/form-user-selector",["jquery","core/ajax","core/templates"],function(a,b,c){return{processResults:function processResults(b,c){var d=[];a.each(c,function(a,b){d.push({value:b.id,label:b._label})});return d},transport:function transport(d,e,f,g){var h,i=a(d).data("capability");if("undefined"==typeof i){i=""}h=b.call([{methodname:"tool_lp_search_users",args:{query:e,capability:i}}]);h[0].then(function(b){var d=[],e=0;a.each(b.users,function(b,e){var f=e,g=[];a.each(["idnumber","email","phone1","phone2","department","institution"],function(a,b){if("undefined"!=typeof e[b]&&""!==e[b]){f.hasidentity=!0;g.push(e[b])}});f.identity=g.join(", ");d.push(c.render("tool_lp/form-user-selector-suggestion",f))});return a.when.apply(a.when,d).then(function(){var c=arguments;a.each(b.users,function(a,b){b._label=c[e];e++});f(b.users)})}).catch(g)}}});
-//# sourceMappingURL=form-user-selector.min.js.map
+/**
+ * User selector module.
+ *
+ * @module     tool_lp/form-user-selector
+ * @class      form-user-selector
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/form-user-selector",["jquery","core/ajax","core/templates"],(function($,Ajax,Templates){return{processResults:function(selector,results){var users=[];return $.each(results,(function(index,user){users.push({value:user.id,label:user._label})})),users},transport:function(selector,query,success,failure){var capability=$(selector).data("capability");void 0===capability&&(capability=""),Ajax.call([{methodname:"tool_lp_search_users",args:{query:query,capability:capability}}])[0].then((function(results){var promises=[],i=0;return $.each(results.users,(function(index,user){var ctx=user,identity=[];$.each(["idnumber","email","phone1","phone2","department","institution"],(function(i,k){void 0!==user[k]&&""!==user[k]&&(ctx.hasidentity=!0,identity.push(user[k]))})),ctx.identity=identity.join(", "),promises.push(Templates.render("tool_lp/form-user-selector-suggestion",ctx))})),$.when.apply($.when,promises).then((function(){var args=arguments;$.each(results.users,(function(index,user){user._label=args[i],i++})),success(results.users)}))})).catch(failure)}}}));
+
+//# sourceMappingURL=form-user-selector.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/form-user-selector.min.js.map b/admin/tool/lp/amd/build/form-user-selector.min.js.map
index ea192dda709..f192b963100 100644
--- a/admin/tool/lp/amd/build/form-user-selector.min.js.map
+++ b/admin/tool/lp/amd/build/form-user-selector.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * User selector module.\n *\n * @module     tool_lp/form-user-selector\n * @class      form-user-selector\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/templates'], function($, Ajax, Templates) {\n\n    return /** @alias module:tool_lp/form-user-selector */ {\n\n        processResults: function(selector, results) {\n            var users = [];\n            $.each(results, function(index, user) {\n                users.push({\n                    value: user.id,\n                    label: user._label\n                });\n            });\n            return users;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise;\n            var capability = $(selector).data('capability');\n            if (typeof capability === \"undefined\") {\n                capability = '';\n            }\n\n            promise = Ajax.call([{\n                methodname: 'tool_lp_search_users',\n                args: {\n                    query: query,\n                    capability: capability\n                }\n            }]);\n\n            promise[0].then(function(results) {\n                var promises = [],\n                    i = 0;\n\n                // Render the label.\n                $.each(results.users, function(index, user) {\n                    var ctx = user,\n                        identity = [];\n                    $.each(['idnumber', 'email', 'phone1', 'phone2', 'department', 'institution'], function(i, k) {\n                        if (typeof user[k] !== 'undefined' && user[k] !== '') {\n                            ctx.hasidentity = true;\n                            identity.push(user[k]);\n                        }\n                    });\n                    ctx.identity = identity.join(', ');\n                    promises.push(Templates.render('tool_lp/form-user-selector-suggestion', ctx));\n                });\n\n                // Apply the label to the results.\n                return $.when.apply($.when, promises).then(function() {\n                    var args = arguments;\n                    $.each(results.users, function(index, user) {\n                        user._label = args[i];\n                        i++;\n                    });\n                    success(results.users);\n                    return;\n                });\n\n            }).catch(failure);\n        }\n\n    };\n\n});\n"],"file":"form-user-selector.min.js"}
\ No newline at end of file
+{"version":3,"file":"form-user-selector.min.js","sources":["../src/form-user-selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * User selector module.\n *\n * @module     tool_lp/form-user-selector\n * @class      form-user-selector\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/templates'], function($, Ajax, Templates) {\n\n    return /** @alias module:tool_lp/form-user-selector */ {\n\n        processResults: function(selector, results) {\n            var users = [];\n            $.each(results, function(index, user) {\n                users.push({\n                    value: user.id,\n                    label: user._label\n                });\n            });\n            return users;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise;\n            var capability = $(selector).data('capability');\n            if (typeof capability === \"undefined\") {\n                capability = '';\n            }\n\n            promise = Ajax.call([{\n                methodname: 'tool_lp_search_users',\n                args: {\n                    query: query,\n                    capability: capability\n                }\n            }]);\n\n            promise[0].then(function(results) {\n                var promises = [],\n                    i = 0;\n\n                // Render the label.\n                $.each(results.users, function(index, user) {\n                    var ctx = user,\n                        identity = [];\n                    $.each(['idnumber', 'email', 'phone1', 'phone2', 'department', 'institution'], function(i, k) {\n                        if (typeof user[k] !== 'undefined' && user[k] !== '') {\n                            ctx.hasidentity = true;\n                            identity.push(user[k]);\n                        }\n                    });\n                    ctx.identity = identity.join(', ');\n                    promises.push(Templates.render('tool_lp/form-user-selector-suggestion', ctx));\n                });\n\n                // Apply the label to the results.\n                return $.when.apply($.when, promises).then(function() {\n                    var args = arguments;\n                    $.each(results.users, function(index, user) {\n                        user._label = args[i];\n                        i++;\n                    });\n                    success(results.users);\n                    return;\n                });\n\n            }).catch(failure);\n        }\n\n    };\n\n});\n"],"names":["define","$","Ajax","Templates","processResults","selector","results","users","each","index","user","push","value","id","label","_label","transport","query","success","failure","capability","data","call","methodname","args","then","promises","i","ctx","identity","k","hasidentity","join","render","when","apply","arguments","catch"],"mappings":";;;;;;;;;AAyBAA,oCAAO,CAAC,SAAU,YAAa,mBAAmB,SAASC,EAAGC,KAAMC,iBAET,CAEnDC,eAAgB,SAASC,SAAUC,aAC3BC,MAAQ,UACZN,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BH,MAAMI,KAAK,CACPC,MAAOF,KAAKG,GACZC,MAAOJ,KAAKK,YAGbR,OAGXS,UAAW,SAASX,SAAUY,MAAOC,QAASC,aAEtCC,WAAanB,EAAEI,UAAUgB,KAAK,mBACR,IAAfD,aACPA,WAAa,IAGPlB,KAAKoB,KAAK,CAAC,CACjBC,WAAY,uBACZC,KAAM,CACFP,MAAOA,MACPG,WAAYA,eAIZ,GAAGK,MAAK,SAASnB,aACjBoB,SAAW,GACXC,EAAI,SAGR1B,EAAEO,KAAKF,QAAQC,OAAO,SAASE,MAAOC,UAC9BkB,IAAMlB,KACNmB,SAAW,GACf5B,EAAEO,KAAK,CAAC,WAAY,QAAS,SAAU,SAAU,aAAc,gBAAgB,SAASmB,EAAGG,QAChE,IAAZpB,KAAKoB,IAAkC,KAAZpB,KAAKoB,KACvCF,IAAIG,aAAc,EAClBF,SAASlB,KAAKD,KAAKoB,QAG3BF,IAAIC,SAAWA,SAASG,KAAK,MAC7BN,SAASf,KAAKR,UAAU8B,OAAO,wCAAyCL,SAIrE3B,EAAEiC,KAAKC,MAAMlC,EAAEiC,KAAMR,UAAUD,MAAK,eACnCD,KAAOY,UACXnC,EAAEO,KAAKF,QAAQC,OAAO,SAASE,MAAOC,MAClCA,KAAKK,OAASS,KAAKG,GACnBA,OAEJT,QAAQZ,QAAQC,aAIrB8B,MAAMlB"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/form_competency_element.min.js b/admin/tool/lp/amd/build/form_competency_element.min.js
index c3937f2f8ac..5cc5d811453 100644
--- a/admin/tool/lp/amd/build/form_competency_element.min.js
+++ b/admin/tool/lp/amd/build/form_competency_element.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/form_competency_element",["jquery","tool_lp/competencypicker","core/ajax","core/notification","core/templates"],function(a,b,c,d,e){var f=null,g=1,h=function(){var b=a("[data-action=\"competencies\"]").val(),f=[],g=0;if(""!=b){b=b.split(",");for(g=0;g<b.length;g++){f[f.length]={methodname:"core_competency_read_competency",args:{id:b[g]}}}}a.when.apply(a,c.call(f,!1)).then(function(){var a=0,b=[];for(a=0;a<arguments.length;a++){b[a]=arguments[a]}return e.render("tool_lp/form_competency_list",{competencies:b})}).then(function(b,c){e.replaceNode(a("[data-region=\"competencies\"]"),b,c);return!0}).fail(d.exception);return!0},i=function(b){var c=a("[data-action=\"competencies\"]").val().split(","),d=[],e,f=a(b.currentTarget).data("id");for(e=0;e<c.length;e++){if(c[e]!=f){d[d.length]=c[e]}}a("[data-action=\"competencies\"]").val(d.join(","));return h()},j=function(){var c=a("[data-action=\"competencies\"]").val().split(",");if(!f){f=new b(g,!1,"parents",!0);f.on("save",function(b,c){var d=a("[data-action=\"competencies\"]").val(),e=c.competencyIds;if(""!=d){e=e.concat(d.split(","))}var f=e.join(",");a("[data-action=\"competencies\"]").val(f);return h()})}f.setDisallowedCompetencyIDs(c);f.display()};return{init:function init(b){g=b;h();a("[data-action=\"select-competencies\"]").on("click",j);a("body").on("click","[data-action=\"deselect-competency\"]",i)}}});
-//# sourceMappingURL=form_competency_element.min.js.map
+/**
+ * Badge select competency actions
+ *
+ * @module     tool_lp/form_competency_element
+ * @package    tool_lp
+ * @copyright  2019 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/form_competency_element",["jquery","tool_lp/competencypicker","core/ajax","core/notification","core/templates"],(function($,Picker,Ajax,Notification,Templates){var pickerInstance=null,pageContextId=1,renderCompetencies=function(){var currentCompetencies=$('[data-action="competencies"]').val(),requests=[],i=0;if(""!=currentCompetencies)for(currentCompetencies=currentCompetencies.split(","),i=0;i<currentCompetencies.length;i++)requests[requests.length]={methodname:"core_competency_read_competency",args:{id:currentCompetencies[i]}};return $.when.apply($,Ajax.call(requests,!1)).then((function(){var i=0,competencies=[];for(i=0;i<arguments.length;i++)competencies[i]=arguments[i];var context={competencies:competencies};return Templates.render("tool_lp/form_competency_list",context)})).then((function(html,js){return Templates.replaceNode($('[data-region="competencies"]'),html,js),!0})).fail(Notification.exception),!0},unpickCompetenciesHandler=function(e){var i,currentCompetencies=$('[data-action="competencies"]').val().split(","),newCompetencies=[],toRemove=$(e.currentTarget).data("id");for(i=0;i<currentCompetencies.length;i++)currentCompetencies[i]!=toRemove&&(newCompetencies[newCompetencies.length]=currentCompetencies[i]);return $('[data-action="competencies"]').val(newCompetencies.join(",")),renderCompetencies()},pickCompetenciesHandler=function(){var currentCompetencies=$('[data-action="competencies"]').val().split(",");pickerInstance||(pickerInstance=new Picker(pageContextId,!1,"parents",!0)).on("save",(function(e,data){var before=$('[data-action="competencies"]').val(),compIds=data.competencyIds;""!=before&&(compIds=compIds.concat(before.split(",")));var value=compIds.join(",");return $('[data-action="competencies"]').val(value),renderCompetencies()})),pickerInstance.setDisallowedCompetencyIDs(currentCompetencies),pickerInstance.display()};return{init:function(contextId){pageContextId=contextId,renderCompetencies(),$('[data-action="select-competencies"]').on("click",pickCompetenciesHandler),$("body").on("click",'[data-action="deselect-competency"]',unpickCompetenciesHandler)}}}));
+
+//# sourceMappingURL=form_competency_element.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/form_competency_element.min.js.map b/admin/tool/lp/amd/build/form_competency_element.min.js.map
index 76617071a60..530553e8826 100644
--- a/admin/tool/lp/amd/build/form_competency_element.min.js.map
+++ b/admin/tool/lp/amd/build/form_competency_element.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Badge select competency actions\n *\n * @module     tool_lp/form_competency_element\n * @package    tool_lp\n * @copyright  2019 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'tool_lp/competencypicker', 'core/ajax', 'core/notification', 'core/templates'],\n        function($, Picker, Ajax, Notification, Templates) {\n\n    var pickerInstance = null;\n\n    var pageContextId = 1;\n\n    /**\n     * Re-render the list of selected competencies.\n     *\n     * @method renderCompetencies\n     * @return {boolean}\n     */\n    var renderCompetencies = function() {\n        var currentCompetencies = $('[data-action=\"competencies\"]').val();\n        var requests = [];\n        var i = 0;\n\n        if (currentCompetencies != '') {\n            currentCompetencies = currentCompetencies.split(',');\n            for (i = 0; i < currentCompetencies.length; i++) {\n                requests[requests.length] = {\n                    methodname: 'core_competency_read_competency',\n                    args: {id: currentCompetencies[i]}\n                };\n            }\n        }\n\n        $.when.apply($, Ajax.call(requests, false)).then(function() {\n            var i = 0,\n                competencies = [];\n\n            for (i = 0; i < arguments.length; i++) {\n                competencies[i] = arguments[i];\n            }\n            var context = {\n                competencies: competencies\n            };\n\n            return Templates.render('tool_lp/form_competency_list', context);\n        }).then(function(html, js) {\n            Templates.replaceNode($('[data-region=\"competencies\"]'), html, js);\n            return true;\n        }).fail(Notification.exception);\n\n        return true;\n    };\n\n    /**\n     * Deselect a competency\n     *\n     * @method unpickCompetenciesHandler\n     * @param {Event} e\n     * @return {boolean}\n     */\n    var unpickCompetenciesHandler = function(e) {\n        var currentCompetencies = $('[data-action=\"competencies\"]').val().split(','),\n            newCompetencies = [],\n            i,\n            toRemove = $(e.currentTarget).data('id');\n\n        for (i = 0; i < currentCompetencies.length; i++) {\n            if (currentCompetencies[i] != toRemove) {\n                newCompetencies[newCompetencies.length] = currentCompetencies[i];\n            }\n        }\n\n        $('[data-action=\"competencies\"]').val(newCompetencies.join(','));\n\n        return renderCompetencies();\n    };\n\n    /**\n     * Open a competencies popup to relate competencies.\n     *\n     * @method pickCompetenciesHandler\n     */\n    var pickCompetenciesHandler = function() {\n        var currentCompetencies = $('[data-action=\"competencies\"]').val().split(',');\n\n        if (!pickerInstance) {\n            pickerInstance = new Picker(pageContextId, false, 'parents', true);\n            pickerInstance.on('save', function(e, data) {\n                var before = $('[data-action=\"competencies\"]').val();\n                var compIds = data.competencyIds;\n                if (before != '') {\n                    compIds = compIds.concat(before.split(','));\n                }\n                var value = compIds.join(',');\n\n                $('[data-action=\"competencies\"]').val(value);\n\n                return renderCompetencies();\n            });\n        }\n\n        pickerInstance.setDisallowedCompetencyIDs(currentCompetencies);\n        pickerInstance.display();\n    };\n\n    return /** @alias module:tool_lp/form_competency_element */ {\n        /**\n         * Listen for clicks on the competency picker and push the changes to the form element.\n         *\n         * @method init\n         * @param {Integer} contextId\n         */\n        init: function(contextId) {\n            pageContextId = contextId;\n            renderCompetencies();\n            $('[data-action=\"select-competencies\"]').on('click', pickCompetenciesHandler);\n            $('body').on('click', '[data-action=\"deselect-competency\"]', unpickCompetenciesHandler);\n        }\n    };\n});\n"],"file":"form_competency_element.min.js"}
\ No newline at end of file
+{"version":3,"file":"form_competency_element.min.js","sources":["../src/form_competency_element.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Badge select competency actions\n *\n * @module     tool_lp/form_competency_element\n * @package    tool_lp\n * @copyright  2019 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'tool_lp/competencypicker', 'core/ajax', 'core/notification', 'core/templates'],\n        function($, Picker, Ajax, Notification, Templates) {\n\n    var pickerInstance = null;\n\n    var pageContextId = 1;\n\n    /**\n     * Re-render the list of selected competencies.\n     *\n     * @method renderCompetencies\n     * @return {boolean}\n     */\n    var renderCompetencies = function() {\n        var currentCompetencies = $('[data-action=\"competencies\"]').val();\n        var requests = [];\n        var i = 0;\n\n        if (currentCompetencies != '') {\n            currentCompetencies = currentCompetencies.split(',');\n            for (i = 0; i < currentCompetencies.length; i++) {\n                requests[requests.length] = {\n                    methodname: 'core_competency_read_competency',\n                    args: {id: currentCompetencies[i]}\n                };\n            }\n        }\n\n        $.when.apply($, Ajax.call(requests, false)).then(function() {\n            var i = 0,\n                competencies = [];\n\n            for (i = 0; i < arguments.length; i++) {\n                competencies[i] = arguments[i];\n            }\n            var context = {\n                competencies: competencies\n            };\n\n            return Templates.render('tool_lp/form_competency_list', context);\n        }).then(function(html, js) {\n            Templates.replaceNode($('[data-region=\"competencies\"]'), html, js);\n            return true;\n        }).fail(Notification.exception);\n\n        return true;\n    };\n\n    /**\n     * Deselect a competency\n     *\n     * @method unpickCompetenciesHandler\n     * @param {Event} e\n     * @return {boolean}\n     */\n    var unpickCompetenciesHandler = function(e) {\n        var currentCompetencies = $('[data-action=\"competencies\"]').val().split(','),\n            newCompetencies = [],\n            i,\n            toRemove = $(e.currentTarget).data('id');\n\n        for (i = 0; i < currentCompetencies.length; i++) {\n            if (currentCompetencies[i] != toRemove) {\n                newCompetencies[newCompetencies.length] = currentCompetencies[i];\n            }\n        }\n\n        $('[data-action=\"competencies\"]').val(newCompetencies.join(','));\n\n        return renderCompetencies();\n    };\n\n    /**\n     * Open a competencies popup to relate competencies.\n     *\n     * @method pickCompetenciesHandler\n     */\n    var pickCompetenciesHandler = function() {\n        var currentCompetencies = $('[data-action=\"competencies\"]').val().split(',');\n\n        if (!pickerInstance) {\n            pickerInstance = new Picker(pageContextId, false, 'parents', true);\n            pickerInstance.on('save', function(e, data) {\n                var before = $('[data-action=\"competencies\"]').val();\n                var compIds = data.competencyIds;\n                if (before != '') {\n                    compIds = compIds.concat(before.split(','));\n                }\n                var value = compIds.join(',');\n\n                $('[data-action=\"competencies\"]').val(value);\n\n                return renderCompetencies();\n            });\n        }\n\n        pickerInstance.setDisallowedCompetencyIDs(currentCompetencies);\n        pickerInstance.display();\n    };\n\n    return /** @alias module:tool_lp/form_competency_element */ {\n        /**\n         * Listen for clicks on the competency picker and push the changes to the form element.\n         *\n         * @method init\n         * @param {Integer} contextId\n         */\n        init: function(contextId) {\n            pageContextId = contextId;\n            renderCompetencies();\n            $('[data-action=\"select-competencies\"]').on('click', pickCompetenciesHandler);\n            $('body').on('click', '[data-action=\"deselect-competency\"]', unpickCompetenciesHandler);\n        }\n    };\n});\n"],"names":["define","$","Picker","Ajax","Notification","Templates","pickerInstance","pageContextId","renderCompetencies","currentCompetencies","val","requests","i","split","length","methodname","args","id","when","apply","call","then","competencies","arguments","context","render","html","js","replaceNode","fail","exception","unpickCompetenciesHandler","e","newCompetencies","toRemove","currentTarget","data","join","pickCompetenciesHandler","on","before","compIds","competencyIds","concat","value","setDisallowedCompetencyIDs","display","init","contextId"],"mappings":";;;;;;;;AAuBAA,yCAAO,CAAC,SAAU,2BAA4B,YAAa,oBAAqB,mBACxE,SAASC,EAAGC,OAAQC,KAAMC,aAAcC,eAExCC,eAAiB,KAEjBC,cAAgB,EAQhBC,mBAAqB,eACjBC,oBAAsBR,EAAE,gCAAgCS,MACxDC,SAAW,GACXC,EAAI,KAEmB,IAAvBH,wBACAA,oBAAsBA,oBAAoBI,MAAM,KAC3CD,EAAI,EAAGA,EAAIH,oBAAoBK,OAAQF,IACxCD,SAASA,SAASG,QAAU,CACxBC,WAAY,kCACZC,KAAM,CAACC,GAAIR,oBAAoBG,YAK3CX,EAAEiB,KAAKC,MAAMlB,EAAGE,KAAKiB,KAAKT,UAAU,IAAQU,MAAK,eACzCT,EAAI,EACJU,aAAe,OAEdV,EAAI,EAAGA,EAAIW,UAAUT,OAAQF,IAC9BU,aAAaV,GAAKW,UAAUX,OAE5BY,QAAU,CACVF,aAAcA,qBAGXjB,UAAUoB,OAAO,+BAAgCD,YACzDH,MAAK,SAASK,KAAMC,WACnBtB,UAAUuB,YAAY3B,EAAE,gCAAiCyB,KAAMC,KACxD,KACRE,KAAKzB,aAAa0B,YAEd,GAUPC,0BAA4B,SAASC,OAGjCpB,EAFAH,oBAAsBR,EAAE,gCAAgCS,MAAMG,MAAM,KACpEoB,gBAAkB,GAElBC,SAAWjC,EAAE+B,EAAEG,eAAeC,KAAK,UAElCxB,EAAI,EAAGA,EAAIH,oBAAoBK,OAAQF,IACpCH,oBAAoBG,IAAMsB,WAC1BD,gBAAgBA,gBAAgBnB,QAAUL,oBAAoBG,WAItEX,EAAE,gCAAgCS,IAAIuB,gBAAgBI,KAAK,MAEpD7B,sBAQP8B,wBAA0B,eACtB7B,oBAAsBR,EAAE,gCAAgCS,MAAMG,MAAM,KAEnEP,iBACDA,eAAiB,IAAIJ,OAAOK,eAAe,EAAO,WAAW,IAC9CgC,GAAG,QAAQ,SAASP,EAAGI,UAC9BI,OAASvC,EAAE,gCAAgCS,MAC3C+B,QAAUL,KAAKM,cACL,IAAVF,SACAC,QAAUA,QAAQE,OAAOH,OAAO3B,MAAM,WAEtC+B,MAAQH,QAAQJ,KAAK,YAEzBpC,EAAE,gCAAgCS,IAAIkC,OAE/BpC,wBAIfF,eAAeuC,2BAA2BpC,qBAC1CH,eAAewC,iBAGyC,CAOxDC,KAAM,SAASC,WACXzC,cAAgByC,UAChBxC,qBACAP,EAAE,uCAAuCsC,GAAG,QAASD,yBACrDrC,EAAE,QAAQsC,GAAG,QAAS,sCAAuCR"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/frameworkactions.min.js b/admin/tool/lp/amd/build/frameworkactions.min.js
index 523461f0c27..7c5b0c7256c 100644
--- a/admin/tool/lp/amd/build/frameworkactions.min.js
+++ b/admin/tool/lp/amd/build/frameworkactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/frameworkactions",["jquery","core/templates","core/ajax","core/notification","core/str"],function(a,b,c,d,e){var f=0,g=0,h=function(c,d){a("[data-region=\"managecompetencies\"]").replaceWith(c);b.runTemplateJS(d)},i=function(a){b.render("tool_lp/manage_competency_frameworks_page",a).done(h).fail(d.exception)},j=function(b){b.preventDefault();g=a(this).attr("data-frameworkid");var e=c.call([{methodname:"core_competency_duplicate_competency_framework",args:{id:g}},{methodname:"tool_lp_data_for_competency_frameworks_manage_page",args:{pagecontext:{contextid:f}}}]);e[1].done(i).fail(d.exception)},k=function(){var a=c.call([{methodname:"core_competency_delete_competency_framework",args:{id:g}},{methodname:"tool_lp_data_for_competency_frameworks_manage_page",args:{pagecontext:{contextid:f}}}]);a[0].done(function(a){if(!1===a){var b=c.call([{methodname:"core_competency_read_competency_framework",args:{id:g}}]);b[0].done(function(a){e.get_strings([{key:"frameworkcannotbedeleted",component:"tool_lp",param:a.shortname},{key:"cancel",component:"moodle"}]).done(function(a){d.alert(null,a[0])}).fail(d.exception)})}}).fail(d.exception);a[1].done(i).fail(d.exception)},l=function(b){b.preventDefault();var f=a(this).attr("data-frameworkid");g=f;var h=c.call([{methodname:"core_competency_read_competency_framework",args:{id:g}}]);h[0].done(function(a){e.get_strings([{key:"confirm",component:"moodle"},{key:"deletecompetencyframework",component:"tool_lp",param:a.shortname},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(a){d.confirm(a[0],a[1],a[2],a[3],k)}).fail(d.exception)}).fail(d.exception)};return{deleteHandler:l,duplicateHandler:j,init:function init(a){f=a}}});
-//# sourceMappingURL=frameworkactions.min.js.map
+/**
+ * Competency frameworks actions via ajax.
+ *
+ * @module     tool_lp/frameworkactions
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/frameworkactions",["jquery","core/templates","core/ajax","core/notification","core/str"],(function($,templates,ajax,notification,str){var pagecontextid=0,frameworkid=0,updatePage=function(newhtml,newjs){$('[data-region="managecompetencies"]').replaceWith(newhtml),templates.runTemplateJS(newjs)},reloadList=function(context){templates.render("tool_lp/manage_competency_frameworks_page",context).done(updatePage).fail(notification.exception)},doDelete=function(){var requests=ajax.call([{methodname:"core_competency_delete_competency_framework",args:{id:frameworkid}},{methodname:"tool_lp_data_for_competency_frameworks_manage_page",args:{pagecontext:{contextid:pagecontextid}}}]);requests[0].done((function(success){!1===success&&ajax.call([{methodname:"core_competency_read_competency_framework",args:{id:frameworkid}}])[0].done((function(framework){str.get_strings([{key:"frameworkcannotbedeleted",component:"tool_lp",param:framework.shortname},{key:"cancel",component:"moodle"}]).done((function(strings){notification.alert(null,strings[0])})).fail(notification.exception)}))})).fail(notification.exception),requests[1].done(reloadList).fail(notification.exception)};return{deleteHandler:function(e){e.preventDefault();var id=$(this).attr("data-frameworkid");frameworkid=id,ajax.call([{methodname:"core_competency_read_competency_framework",args:{id:frameworkid}}])[0].done((function(framework){str.get_strings([{key:"confirm",component:"moodle"},{key:"deletecompetencyframework",component:"tool_lp",param:framework.shortname},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],doDelete)})).fail(notification.exception)})).fail(notification.exception)},duplicateHandler:function(e){e.preventDefault(),frameworkid=$(this).attr("data-frameworkid"),ajax.call([{methodname:"core_competency_duplicate_competency_framework",args:{id:frameworkid}},{methodname:"tool_lp_data_for_competency_frameworks_manage_page",args:{pagecontext:{contextid:pagecontextid}}}])[1].done(reloadList).fail(notification.exception)},init:function(contextid){pagecontextid=contextid}}}));
+
+//# sourceMappingURL=frameworkactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/frameworkactions.min.js.map b/admin/tool/lp/amd/build/frameworkactions.min.js.map
index eab5c15ad30..1edfbd58d5b 100644
--- a/admin/tool/lp/amd/build/frameworkactions.min.js.map
+++ b/admin/tool/lp/amd/build/frameworkactions.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/frameworkactions.js"],"names":["define","$","templates","ajax","notification","str","pagecontextid","frameworkid","updatePage","newhtml","newjs","replaceWith","runTemplateJS","reloadList","context","render","done","fail","exception","doDuplicate","e","preventDefault","attr","requests","call","methodname","args","id","pagecontext","contextid","doDelete","success","req","framework","get_strings","key","component","param","shortname","strings","alert","confirmDelete","confirm","deleteHandler","duplicateHandler","init"],"mappings":"AAuBAA,OAAM,4BAAC,CAAC,QAAD,CAAW,gBAAX,CAA6B,WAA7B,CAA0C,mBAA1C,CAA+D,UAA/D,CAAD,CAA6E,SAASC,CAAT,CAAYC,CAAZ,CAAuBC,CAAvB,CAA6BC,CAA7B,CAA2CC,CAA3C,CAAgD,IAI3HC,CAAAA,CAAa,CAAG,CAJ2G,CAO3HC,CAAW,CAAG,CAP6G,CAe3HC,CAAU,CAAG,SAASC,CAAT,CAAkBC,CAAlB,CAAyB,CACtCT,CAAC,CAAC,sCAAD,CAAD,CAAwCU,WAAxC,CAAoDF,CAApD,EACAP,CAAS,CAACU,aAAV,CAAwBF,CAAxB,CACH,CAlB8H,CAyB3HG,CAAU,CAAG,SAASC,CAAT,CAAkB,CAC/BZ,CAAS,CAACa,MAAV,CAAiB,2CAAjB,CAA8DD,CAA9D,EACKE,IADL,CACUR,CADV,EAEKS,IAFL,CAEUb,CAAY,CAACc,SAFvB,CAGH,CA7B8H,CAoC3HC,CAAW,CAAG,SAASC,CAAT,CAAY,CAC1BA,CAAC,CAACC,cAAF,GAEAd,CAAW,CAAGN,CAAC,CAAC,IAAD,CAAD,CAAQqB,IAAR,CAAa,kBAAb,CAAd,CAGA,GAAIC,CAAAA,CAAQ,CAAGpB,CAAI,CAACqB,IAAL,CAAU,CAAC,CACtBC,UAAU,CAAE,gDADU,CAEtBC,IAAI,CAAE,CAACC,EAAE,CAAEpB,CAAL,CAFgB,CAAD,CAGtB,CACCkB,UAAU,CAAE,oDADb,CAECC,IAAI,CAAE,CACFE,WAAW,CAAE,CACTC,SAAS,CAAEvB,CADF,CADX,CAFP,CAHsB,CAAV,CAAf,CAWAiB,CAAQ,CAAC,CAAD,CAAR,CAAYP,IAAZ,CAAiBH,CAAjB,EAA6BI,IAA7B,CAAkCb,CAAY,CAACc,SAA/C,CACH,CAtD8H,CA0D3HY,CAAQ,CAAG,UAAW,CAGtB,GAAIP,CAAAA,CAAQ,CAAGpB,CAAI,CAACqB,IAAL,CAAU,CAAC,CACtBC,UAAU,CAAE,6CADU,CAEtBC,IAAI,CAAE,CAACC,EAAE,CAAEpB,CAAL,CAFgB,CAAD,CAGtB,CACCkB,UAAU,CAAE,oDADb,CAECC,IAAI,CAAE,CACFE,WAAW,CAAE,CACTC,SAAS,CAAEvB,CADF,CADX,CAFP,CAHsB,CAAV,CAAf,CAWAiB,CAAQ,CAAC,CAAD,CAAR,CAAYP,IAAZ,CAAiB,SAASe,CAAT,CAAkB,CAC/B,GAAI,KAAAA,CAAJ,CAAuB,CACnB,GAAIC,CAAAA,CAAG,CAAG7B,CAAI,CAACqB,IAAL,CAAU,CAAC,CACjBC,UAAU,CAAE,2CADK,CAEjBC,IAAI,CAAE,CAACC,EAAE,CAAEpB,CAAL,CAFW,CAAD,CAAV,CAAV,CAIAyB,CAAG,CAAC,CAAD,CAAH,CAAOhB,IAAP,CAAY,SAASiB,CAAT,CAAoB,CAC5B5B,CAAG,CAAC6B,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAE,0BAAN,CAAkCC,SAAS,CAAE,SAA7C,CAAwDC,KAAK,CAAEJ,CAAS,CAACK,SAAzE,CADY,CAEZ,CAACH,GAAG,CAAE,QAAN,CAAgBC,SAAS,CAAE,QAA3B,CAFY,CAAhB,EAGGpB,IAHH,CAGQ,SAASuB,CAAT,CAAkB,CACtBnC,CAAY,CAACoC,KAAb,CACI,IADJ,CAEID,CAAO,CAAC,CAAD,CAFX,CAIH,CARD,EAQGtB,IARH,CAQQb,CAAY,CAACc,SARrB,CASH,CAVD,CAWH,CACJ,CAlBD,EAkBGD,IAlBH,CAkBQb,CAAY,CAACc,SAlBrB,EAmBAK,CAAQ,CAAC,CAAD,CAAR,CAAYP,IAAZ,CAAiBH,CAAjB,EAA6BI,IAA7B,CAAkCb,CAAY,CAACc,SAA/C,CACH,CA5F8H,CAkG3HuB,CAAa,CAAG,SAASrB,CAAT,CAAY,CAC5BA,CAAC,CAACC,cAAF,GAEA,GAAIM,CAAAA,CAAE,CAAG1B,CAAC,CAAC,IAAD,CAAD,CAAQqB,IAAR,CAAa,kBAAb,CAAT,CACAf,CAAW,CAAGoB,CAAd,CAEA,GAAIJ,CAAAA,CAAQ,CAAGpB,CAAI,CAACqB,IAAL,CAAU,CAAC,CACtBC,UAAU,CAAE,2CADU,CAEtBC,IAAI,CAAE,CAACC,EAAE,CAAEpB,CAAL,CAFgB,CAAD,CAAV,CAAf,CAKAgB,CAAQ,CAAC,CAAD,CAAR,CAAYP,IAAZ,CAAiB,SAASiB,CAAT,CAAoB,CACjC5B,CAAG,CAAC6B,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAE,SAAN,CAAiBC,SAAS,CAAE,QAA5B,CADY,CAEZ,CAACD,GAAG,CAAE,2BAAN,CAAmCC,SAAS,CAAE,SAA9C,CAAyDC,KAAK,CAAEJ,CAAS,CAACK,SAA1E,CAFY,CAGZ,CAACH,GAAG,CAAE,QAAN,CAAgBC,SAAS,CAAE,QAA3B,CAHY,CAIZ,CAACD,GAAG,CAAE,QAAN,CAAgBC,SAAS,CAAE,QAA3B,CAJY,CAAhB,EAKGpB,IALH,CAKQ,SAASuB,CAAT,CAAkB,CACtBnC,CAAY,CAACsC,OAAb,CACIH,CAAO,CAAC,CAAD,CADX,CAEIA,CAAO,CAAC,CAAD,CAFX,CAGIA,CAAO,CAAC,CAAD,CAHX,CAIIA,CAAO,CAAC,CAAD,CAJX,CAKIT,CALJ,CAOH,CAbD,EAaGb,IAbH,CAaQb,CAAY,CAACc,SAbrB,CAcH,CAfD,EAeGD,IAfH,CAeQb,CAAY,CAACc,SAfrB,CAiBH,CA9H8H,CAiI/H,MAAqD,CAQjDyB,aAAa,CAAEF,CARkC,CAejDG,gBAAgB,CAAEzB,CAf+B,CAsBjD0B,IAAI,CAAE,cAAShB,CAAT,CAAoB,CACtBvB,CAAa,CAAGuB,CACnB,CAxBgD,CA0BxD,CA3JK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency frameworks actions via ajax.\n *\n * @module     tool_lp/frameworkactions\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/ajax', 'core/notification', 'core/str'], function($, templates, ajax, notification, str) {\n    // Private variables and functions.\n\n    /** @var {Number} pagecontextid The id of the context */\n    var pagecontextid = 0;\n\n    /** @var {Number} frameworkid The id of the framework */\n    var frameworkid = 0;\n\n    /**\n     * Callback to replace the dom element with the rendered template.\n     *\n     * @param {String} newhtml The new html to insert.\n     * @param {String} newjs The new js to run.\n     */\n    var updatePage = function(newhtml, newjs) {\n        $('[data-region=\"managecompetencies\"]').replaceWith(newhtml);\n        templates.runTemplateJS(newjs);\n    };\n\n    /**\n     * Callback to render the page template again and update the page.\n     *\n     * @param {Object} context The context for the template.\n     */\n    var reloadList = function(context) {\n        templates.render('tool_lp/manage_competency_frameworks_page', context)\n            .done(updatePage)\n            .fail(notification.exception);\n    };\n\n    /**\n     * Duplicate a framework and reload the page.\n     * @method doDuplicate\n     * @param {Event} e\n     */\n    var doDuplicate = function(e) {\n        e.preventDefault();\n\n        frameworkid = $(this).attr('data-frameworkid');\n\n        // We are chaining ajax requests here.\n        var requests = ajax.call([{\n            methodname: 'core_competency_duplicate_competency_framework',\n            args: {id: frameworkid}\n        }, {\n            methodname: 'tool_lp_data_for_competency_frameworks_manage_page',\n            args: {\n                pagecontext: {\n                    contextid: pagecontextid\n                }\n            }\n        }]);\n        requests[1].done(reloadList).fail(notification.exception);\n    };\n    /**\n     * Delete a framework and reload the page.\n     */\n    var doDelete = function() {\n\n        // We are chaining ajax requests here.\n        var requests = ajax.call([{\n            methodname: 'core_competency_delete_competency_framework',\n            args: {id: frameworkid}\n        }, {\n            methodname: 'tool_lp_data_for_competency_frameworks_manage_page',\n            args: {\n                pagecontext: {\n                    contextid: pagecontextid\n                }\n            }\n        }]);\n        requests[0].done(function(success) {\n            if (success === false) {\n                var req = ajax.call([{\n                    methodname: 'core_competency_read_competency_framework',\n                    args: {id: frameworkid}\n                }]);\n                req[0].done(function(framework) {\n                    str.get_strings([\n                        {key: 'frameworkcannotbedeleted', component: 'tool_lp', param: framework.shortname},\n                        {key: 'cancel', component: 'moodle'}\n                    ]).done(function(strings) {\n                        notification.alert(\n                            null,\n                            strings[0]\n                        );\n                    }).fail(notification.exception);\n                });\n            }\n        }).fail(notification.exception);\n        requests[1].done(reloadList).fail(notification.exception);\n    };\n\n    /**\n     * Handler for \"Delete competency framework\" actions.\n     * @param {Event} e\n     */\n    var confirmDelete = function(e) {\n        e.preventDefault();\n\n        var id = $(this).attr('data-frameworkid');\n        frameworkid = id;\n\n        var requests = ajax.call([{\n            methodname: 'core_competency_read_competency_framework',\n            args: {id: frameworkid}\n        }]);\n\n        requests[0].done(function(framework) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'deletecompetencyframework', component: 'tool_lp', param: framework.shortname},\n                {key: 'delete', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Delete competency framework X?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    doDelete\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n\n    return /** @alias module:tool_lp/frameworkactions */ {\n        // Public variables and functions.\n\n        /**\n         * Expose the event handler for delete.\n         * @method deleteHandler\n         * @param {Event} e\n         */\n        deleteHandler: confirmDelete,\n\n        /**\n         * Expose the event handler for duplicate.\n         * @method duplicateHandler\n         * @param {Event} e\n         */\n        duplicateHandler: doDuplicate,\n\n        /**\n         * Initialise the module.\n         * @method init\n         * @param {Number} contextid The context id of the page.\n         */\n        init: function(contextid) {\n            pagecontextid = contextid;\n        }\n    };\n});\n"],"file":"frameworkactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"frameworkactions.min.js","sources":["../src/frameworkactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency frameworks actions via ajax.\n *\n * @module     tool_lp/frameworkactions\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/ajax', 'core/notification', 'core/str'], function($, templates, ajax, notification, str) {\n    // Private variables and functions.\n\n    /** @var {Number} pagecontextid The id of the context */\n    var pagecontextid = 0;\n\n    /** @var {Number} frameworkid The id of the framework */\n    var frameworkid = 0;\n\n    /**\n     * Callback to replace the dom element with the rendered template.\n     *\n     * @param {String} newhtml The new html to insert.\n     * @param {String} newjs The new js to run.\n     */\n    var updatePage = function(newhtml, newjs) {\n        $('[data-region=\"managecompetencies\"]').replaceWith(newhtml);\n        templates.runTemplateJS(newjs);\n    };\n\n    /**\n     * Callback to render the page template again and update the page.\n     *\n     * @param {Object} context The context for the template.\n     */\n    var reloadList = function(context) {\n        templates.render('tool_lp/manage_competency_frameworks_page', context)\n            .done(updatePage)\n            .fail(notification.exception);\n    };\n\n    /**\n     * Duplicate a framework and reload the page.\n     * @method doDuplicate\n     * @param {Event} e\n     */\n    var doDuplicate = function(e) {\n        e.preventDefault();\n\n        frameworkid = $(this).attr('data-frameworkid');\n\n        // We are chaining ajax requests here.\n        var requests = ajax.call([{\n            methodname: 'core_competency_duplicate_competency_framework',\n            args: {id: frameworkid}\n        }, {\n            methodname: 'tool_lp_data_for_competency_frameworks_manage_page',\n            args: {\n                pagecontext: {\n                    contextid: pagecontextid\n                }\n            }\n        }]);\n        requests[1].done(reloadList).fail(notification.exception);\n    };\n    /**\n     * Delete a framework and reload the page.\n     */\n    var doDelete = function() {\n\n        // We are chaining ajax requests here.\n        var requests = ajax.call([{\n            methodname: 'core_competency_delete_competency_framework',\n            args: {id: frameworkid}\n        }, {\n            methodname: 'tool_lp_data_for_competency_frameworks_manage_page',\n            args: {\n                pagecontext: {\n                    contextid: pagecontextid\n                }\n            }\n        }]);\n        requests[0].done(function(success) {\n            if (success === false) {\n                var req = ajax.call([{\n                    methodname: 'core_competency_read_competency_framework',\n                    args: {id: frameworkid}\n                }]);\n                req[0].done(function(framework) {\n                    str.get_strings([\n                        {key: 'frameworkcannotbedeleted', component: 'tool_lp', param: framework.shortname},\n                        {key: 'cancel', component: 'moodle'}\n                    ]).done(function(strings) {\n                        notification.alert(\n                            null,\n                            strings[0]\n                        );\n                    }).fail(notification.exception);\n                });\n            }\n        }).fail(notification.exception);\n        requests[1].done(reloadList).fail(notification.exception);\n    };\n\n    /**\n     * Handler for \"Delete competency framework\" actions.\n     * @param {Event} e\n     */\n    var confirmDelete = function(e) {\n        e.preventDefault();\n\n        var id = $(this).attr('data-frameworkid');\n        frameworkid = id;\n\n        var requests = ajax.call([{\n            methodname: 'core_competency_read_competency_framework',\n            args: {id: frameworkid}\n        }]);\n\n        requests[0].done(function(framework) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'deletecompetencyframework', component: 'tool_lp', param: framework.shortname},\n                {key: 'delete', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Delete competency framework X?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    doDelete\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n\n    return /** @alias module:tool_lp/frameworkactions */ {\n        // Public variables and functions.\n\n        /**\n         * Expose the event handler for delete.\n         * @method deleteHandler\n         * @param {Event} e\n         */\n        deleteHandler: confirmDelete,\n\n        /**\n         * Expose the event handler for duplicate.\n         * @method duplicateHandler\n         * @param {Event} e\n         */\n        duplicateHandler: doDuplicate,\n\n        /**\n         * Initialise the module.\n         * @method init\n         * @param {Number} contextid The context id of the page.\n         */\n        init: function(contextid) {\n            pagecontextid = contextid;\n        }\n    };\n});\n"],"names":["define","$","templates","ajax","notification","str","pagecontextid","frameworkid","updatePage","newhtml","newjs","replaceWith","runTemplateJS","reloadList","context","render","done","fail","exception","doDelete","requests","call","methodname","args","id","pagecontext","contextid","success","framework","get_strings","key","component","param","shortname","strings","alert","deleteHandler","e","preventDefault","this","attr","confirm","duplicateHandler","init"],"mappings":";;;;;;;;AAuBAA,kCAAO,CAAC,SAAU,iBAAkB,YAAa,oBAAqB,aAAa,SAASC,EAAGC,UAAWC,KAAMC,aAAcC,SAItHC,cAAgB,EAGhBC,YAAc,EAQdC,WAAa,SAASC,QAASC,OAC/BT,EAAE,sCAAsCU,YAAYF,SACpDP,UAAUU,cAAcF,QAQxBG,WAAa,SAASC,SACtBZ,UAAUa,OAAO,4CAA6CD,SACzDE,KAAKR,YACLS,KAAKb,aAAac,YA8BvBC,SAAW,eAGPC,SAAWjB,KAAKkB,KAAK,CAAC,CACtBC,WAAY,8CACZC,KAAM,CAACC,GAAIjB,cACZ,CACCe,WAAY,qDACZC,KAAM,CACFE,YAAa,CACTC,UAAWpB,mBAIvBc,SAAS,GAAGJ,MAAK,SAASW,UACN,IAAZA,SACUxB,KAAKkB,KAAK,CAAC,CACjBC,WAAY,4CACZC,KAAM,CAACC,GAAIjB,gBAEX,GAAGS,MAAK,SAASY,WACjBvB,IAAIwB,YAAY,CACZ,CAACC,IAAK,2BAA4BC,UAAW,UAAWC,MAAOJ,UAAUK,WACzE,CAACH,IAAK,SAAUC,UAAW,YAC5Bf,MAAK,SAASkB,SACb9B,aAAa+B,MACT,KACAD,QAAQ,OAEbjB,KAAKb,aAAac,iBAG9BD,KAAKb,aAAac,WACrBE,SAAS,GAAGJ,KAAKH,YAAYI,KAAKb,aAAac,kBAsCE,CAQjDkB,cAvCgB,SAASC,GACzBA,EAAEC,qBAEEd,GAAKvB,EAAEsC,MAAMC,KAAK,oBACtBjC,YAAciB,GAECrB,KAAKkB,KAAK,CAAC,CACtBC,WAAY,4CACZC,KAAM,CAACC,GAAIjB,gBAGN,GAAGS,MAAK,SAASY,WACtBvB,IAAIwB,YAAY,CACZ,CAACC,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,4BAA6BC,UAAW,UAAWC,MAAOJ,UAAUK,WAC1E,CAACH,IAAK,SAAUC,UAAW,UAC3B,CAACD,IAAK,SAAUC,UAAW,YAC5Bf,MAAK,SAASkB,SACb9B,aAAaqC,QACTP,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRf,aAELF,KAAKb,aAAac,cACtBD,KAAKb,aAAac,YAoBrBwB,iBA5Gc,SAASL,GACvBA,EAAEC,iBAEF/B,YAAcN,EAAEsC,MAAMC,KAAK,oBAGZrC,KAAKkB,KAAK,CAAC,CACtBC,WAAY,iDACZC,KAAM,CAACC,GAAIjB,cACZ,CACCe,WAAY,qDACZC,KAAM,CACFE,YAAa,CACTC,UAAWpB,mBAId,GAAGU,KAAKH,YAAYI,KAAKb,aAAac,YAkG/CyB,KAAM,SAASjB,WACXpB,cAAgBoB"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/frameworks_datasource.min.js b/admin/tool/lp/amd/build/frameworks_datasource.min.js
index 7e4abb6a966..2de11e0e23e 100644
--- a/admin/tool/lp/amd/build/frameworks_datasource.min.js
+++ b/admin/tool/lp/amd/build/frameworks_datasource.min.js
@@ -1,2 +1,12 @@
-define ("tool_lp/frameworks_datasource",["jquery","core/ajax","core/notification"],function(a,b,c){return{list:function list(c,d){var e={context:{contextid:c}};a.extend(e,"undefined"==typeof d?{}:d);return b.call([{methodname:"core_competency_list_competency_frameworks",args:e}])[0]},processResults:function processResults(b,c){var d=[];a.each(c,function(a,b){d.push({value:b.id,label:b.shortname+" "+b.idnumber})});return d},transport:function transport(b,d,e){var f=a(b),g=f.data("contextid"),h=f.data("onlyvisible");if(!g){throw new Error("The attribute data-contextid is required on "+b)}this.list(g,{query:d,onlyvisible:h}).then(e).catch(c.exception)}}});
-//# sourceMappingURL=frameworks_datasource.min.js.map
+/**
+ * Frameworks datasource.
+ *
+ * This module is compatible with core/form-autocomplete.
+ *
+ * @package    tool_lpmigrate
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/frameworks_datasource",["jquery","core/ajax","core/notification"],(function($,Ajax,Notification){return{list:function(contextId,options){var args={context:{contextid:contextId}};return $.extend(args,void 0===options?{}:options),Ajax.call([{methodname:"core_competency_list_competency_frameworks",args:args}])[0]},processResults:function(selector,results){var options=[];return $.each(results,(function(index,data){options.push({value:data.id,label:data.shortname+" "+data.idnumber})})),options},transport:function(selector,query,callback){var el=$(selector),contextId=el.data("contextid"),onlyVisible=el.data("onlyvisible");if(!contextId)throw new Error("The attribute data-contextid is required on "+selector);this.list(contextId,{query:query,onlyvisible:onlyVisible}).then(callback).catch(Notification.exception)}}}));
+
+//# sourceMappingURL=frameworks_datasource.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/frameworks_datasource.min.js.map b/admin/tool/lp/amd/build/frameworks_datasource.min.js.map
index 96501a33fed..2f2b8445659 100644
--- a/admin/tool/lp/amd/build/frameworks_datasource.min.js.map
+++ b/admin/tool/lp/amd/build/frameworks_datasource.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Frameworks datasource.\n *\n * This module is compatible with core/form-autocomplete.\n *\n * @package    tool_lpmigrate\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/notification'], function($, Ajax, Notification) {\n\n    return /** @alias module:tool_lpmigrate/frameworks_datasource */ {\n\n        /**\n         * List frameworks.\n         *\n         * @param {Number} contextId The context ID.\n         * @param {Object} options Additional parameters to pass to the external function.\n         * @return {Promise}\n         */\n        list: function(contextId, options) {\n            var args = {\n                    context: {\n                        contextid: contextId\n                    }\n                };\n\n            $.extend(args, typeof options === 'undefined' ? {} : options);\n            return Ajax.call([{\n                methodname: 'core_competency_list_competency_frameworks',\n                args: args\n            }])[0];\n        },\n\n        /**\n         * Process the results for auto complete elements.\n         *\n         * @param {String} selector The selector of the auto complete element.\n         * @param {Array} results An array or results.\n         * @return {Array} New array of results.\n         */\n        processResults: function(selector, results) {\n            var options = [];\n            $.each(results, function(index, data) {\n                options.push({\n                    value: data.id,\n                    label: data.shortname + ' ' + data.idnumber\n                });\n            });\n            return options;\n        },\n\n        /**\n         * Source of data for Ajax element.\n         *\n         * @param {String} selector The selector of the auto complete element.\n         * @param {String} query The query string.\n         * @param {Function} callback A callback function receiving an array of results.\n         */\n        /* eslint-disable promise/no-callback-in-promise */\n        transport: function(selector, query, callback) {\n            var el = $(selector),\n                contextId = el.data('contextid'),\n                onlyVisible = el.data('onlyvisible');\n\n            if (!contextId) {\n                throw new Error('The attribute data-contextid is required on ' + selector);\n            }\n            this.list(contextId, {\n                query: query,\n                onlyvisible: onlyVisible,\n            }).then(callback).catch(Notification.exception);\n        }\n    };\n\n});\n"],"file":"frameworks_datasource.min.js"}
\ No newline at end of file
+{"version":3,"file":"frameworks_datasource.min.js","sources":["../src/frameworks_datasource.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Frameworks datasource.\n *\n * This module is compatible with core/form-autocomplete.\n *\n * @package    tool_lpmigrate\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/notification'], function($, Ajax, Notification) {\n\n    return /** @alias module:tool_lpmigrate/frameworks_datasource */ {\n\n        /**\n         * List frameworks.\n         *\n         * @param {Number} contextId The context ID.\n         * @param {Object} options Additional parameters to pass to the external function.\n         * @return {Promise}\n         */\n        list: function(contextId, options) {\n            var args = {\n                    context: {\n                        contextid: contextId\n                    }\n                };\n\n            $.extend(args, typeof options === 'undefined' ? {} : options);\n            return Ajax.call([{\n                methodname: 'core_competency_list_competency_frameworks',\n                args: args\n            }])[0];\n        },\n\n        /**\n         * Process the results for auto complete elements.\n         *\n         * @param {String} selector The selector of the auto complete element.\n         * @param {Array} results An array or results.\n         * @return {Array} New array of results.\n         */\n        processResults: function(selector, results) {\n            var options = [];\n            $.each(results, function(index, data) {\n                options.push({\n                    value: data.id,\n                    label: data.shortname + ' ' + data.idnumber\n                });\n            });\n            return options;\n        },\n\n        /**\n         * Source of data for Ajax element.\n         *\n         * @param {String} selector The selector of the auto complete element.\n         * @param {String} query The query string.\n         * @param {Function} callback A callback function receiving an array of results.\n         */\n        /* eslint-disable promise/no-callback-in-promise */\n        transport: function(selector, query, callback) {\n            var el = $(selector),\n                contextId = el.data('contextid'),\n                onlyVisible = el.data('onlyvisible');\n\n            if (!contextId) {\n                throw new Error('The attribute data-contextid is required on ' + selector);\n            }\n            this.list(contextId, {\n                query: query,\n                onlyvisible: onlyVisible,\n            }).then(callback).catch(Notification.exception);\n        }\n    };\n\n});\n"],"names":["define","$","Ajax","Notification","list","contextId","options","args","context","contextid","extend","call","methodname","processResults","selector","results","each","index","data","push","value","id","label","shortname","idnumber","transport","query","callback","el","onlyVisible","Error","onlyvisible","then","catch","exception"],"mappings":";;;;;;;;;AAyBAA,uCAAO,CAAC,SAAU,YAAa,sBAAsB,SAASC,EAAGC,KAAMC,oBAEF,CAS7DC,KAAM,SAASC,UAAWC,aAClBC,KAAO,CACHC,QAAS,CACLC,UAAWJ,mBAIvBJ,EAAES,OAAOH,UAAyB,IAAZD,QAA0B,GAAKA,SAC9CJ,KAAKS,KAAK,CAAC,CACdC,WAAY,6CACZL,KAAMA,QACN,IAURM,eAAgB,SAASC,SAAUC,aAC3BT,QAAU,UACdL,EAAEe,KAAKD,SAAS,SAASE,MAAOC,MAC5BZ,QAAQa,KAAK,CACTC,MAAOF,KAAKG,GACZC,MAAOJ,KAAKK,UAAY,IAAML,KAAKM,cAGpClB,SAWXmB,UAAW,SAASX,SAAUY,MAAOC,cAC7BC,GAAK3B,EAAEa,UACPT,UAAYuB,GAAGV,KAAK,aACpBW,YAAcD,GAAGV,KAAK,mBAErBb,gBACK,IAAIyB,MAAM,+CAAiDhB,eAEhEV,KAAKC,UAAW,CACjBqB,MAAOA,MACPK,YAAaF,cACdG,KAAKL,UAAUM,MAAM9B,aAAa+B"}
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diff --git a/admin/tool/lp/amd/build/grade_dialogue.min.js b/admin/tool/lp/amd/build/grade_dialogue.min.js
index 9637bc9003a..4ac520a5e41 100644
--- a/admin/tool/lp/amd/build/grade_dialogue.min.js
+++ b/admin/tool/lp/amd/build/grade_dialogue.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/grade_dialogue",["jquery","core/notification","core/templates","tool_lp/dialogue","tool_lp/event_base","core/str"],function(a,b,c,d,e,f){var g=function(a){e.prototype.constructor.apply(this,[]);this._ratingOptions=a};g.prototype=Object.create(e.prototype);g.prototype._popup=null;g.prototype._ratingOptions=null;g.prototype._afterRender=function(){var b=this._find("[data-action=\"rate\"]"),c=this._find("[name=\"rating\"]"),d=this._find("[name=\"comment\"]");this._find("[data-action=\"cancel\"]").click(function(a){a.preventDefault();this._trigger("cancelled");this.close()}.bind(this));c.change(function(){var c=a(this);if(!c.val()){b.prop("disabled",!0)}else{b.prop("disabled",!1)}}).change();b.click(function(a){a.preventDefault();var b=c.val();if(!b){return}this._trigger("rated",{rating:b,note:d.val()});this.close()}.bind(this))};g.prototype.close=function(){this._popup.close();this._popup=null};g.prototype.display=function(){M.util.js_pending("tool_lp/grade_dialogue:display");return a.when(f.get_string("rate","tool_lp"),this._render()).then(function(a,b){this._popup=new d(a,b[0],function(){this._afterRender();M.util.js_complete("tool_lp/grade_dialogue:display")}.bind(this));return this._popup}.bind(this)).catch(b.exception)};g.prototype._find=function(b){return a(this._popup.getContent()).find(b)};g.prototype._render=function(){var a={cangrade:this._canGrade,ratings:this._ratingOptions};return c.render("tool_lp/competency_grader",a)};return g});
-//# sourceMappingURL=grade_dialogue.min.js.map
+/**
+ * Grade dialogue.
+ *
+ * @package    tool_lp
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/grade_dialogue",["jquery","core/notification","core/templates","tool_lp/dialogue","tool_lp/event_base","core/str"],(function($,Notification,Templates,Dialogue,EventBase,Str){var Grade=function(ratingOptions){EventBase.prototype.constructor.apply(this,[]),this._ratingOptions=ratingOptions};return(Grade.prototype=Object.create(EventBase.prototype))._popup=null,Grade.prototype._ratingOptions=null,Grade.prototype._afterRender=function(){var btnRate=this._find('[data-action="rate"]'),lstRating=this._find('[name="rating"]'),txtComment=this._find('[name="comment"]');this._find('[data-action="cancel"]').click(function(e){e.preventDefault(),this._trigger("cancelled"),this.close()}.bind(this)),lstRating.change((function(){$(this).val()?btnRate.prop("disabled",!1):btnRate.prop("disabled",!0)})).change(),btnRate.click(function(e){e.preventDefault();var val=lstRating.val();val&&(this._trigger("rated",{rating:val,note:txtComment.val()}),this.close())}.bind(this))},Grade.prototype.close=function(){this._popup.close(),this._popup=null},Grade.prototype.display=function(){return M.util.js_pending("tool_lp/grade_dialogue:display"),$.when(Str.get_string("rate","tool_lp"),this._render()).then(function(title,templateResult){return this._popup=new Dialogue(title,templateResult[0],function(){this._afterRender(),M.util.js_complete("tool_lp/grade_dialogue:display")}.bind(this)),this._popup}.bind(this)).catch(Notification.exception)},Grade.prototype._find=function(selector){return $(this._popup.getContent()).find(selector)},Grade.prototype._render=function(){var context={cangrade:this._canGrade,ratings:this._ratingOptions};return Templates.render("tool_lp/competency_grader",context)},Grade}));
+
+//# sourceMappingURL=grade_dialogue.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/grade_dialogue.min.js.map b/admin/tool/lp/amd/build/grade_dialogue.min.js.map
index 472ffa87bdc..4f48856c409 100644
--- a/admin/tool/lp/amd/build/grade_dialogue.min.js.map
+++ b/admin/tool/lp/amd/build/grade_dialogue.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/grade_dialogue.js"],"names":["define","$","Notification","Templates","Dialogue","EventBase","Str","Grade","ratingOptions","prototype","constructor","apply","_ratingOptions","Object","create","_popup","_afterRender","btnRate","_find","lstRating","txtComment","click","e","preventDefault","_trigger","close","bind","change","node","val","prop","display","M","util","js_pending","when","get_string","_render","then","title","templateResult","js_complete","catch","exception","selector","getContent","find","context","cangrade","_canGrade","ratings","render"],"mappings":"AAuBAA,OAAM,0BAAC,CAAC,QAAD,CACC,mBADD,CAEC,gBAFD,CAGC,kBAHD,CAIC,oBAJD,CAKC,UALD,CAAD,CAME,SAASC,CAAT,CAAYC,CAAZ,CAA0BC,CAA1B,CAAqCC,CAArC,CAA+CC,CAA/C,CAA0DC,CAA1D,CAA+D,CAMnE,GAAIC,CAAAA,CAAK,CAAG,SAASC,CAAT,CAAwB,CAChCH,CAAS,CAACI,SAAV,CAAoBC,WAApB,CAAgCC,KAAhC,CAAsC,IAAtC,CAA4C,EAA5C,EACA,KAAKC,cAAL,CAAsBJ,CACzB,CAHD,CAIAD,CAAK,CAACE,SAAN,CAAkBI,MAAM,CAACC,MAAP,CAAcT,CAAS,CAACI,SAAxB,CAAlB,CAGAF,CAAK,CAACE,SAAN,CAAgBM,MAAhB,CAAyB,IAAzB,CAEAR,CAAK,CAACE,SAAN,CAAgBG,cAAhB,CAAiC,IAAjC,CAQAL,CAAK,CAACE,SAAN,CAAgBO,YAAhB,CAA+B,UAAW,CACtC,GAAIC,CAAAA,CAAO,CAAG,KAAKC,KAAL,CAAW,wBAAX,CAAd,CACIC,CAAS,CAAG,KAAKD,KAAL,CAAW,mBAAX,CADhB,CAEIE,CAAU,CAAG,KAAKF,KAAL,CAAW,oBAAX,CAFjB,CAIA,KAAKA,KAAL,CAAW,0BAAX,EAAqCG,KAArC,CAA2C,SAASC,CAAT,CAAY,CACnDA,CAAC,CAACC,cAAF,GACA,KAAKC,QAAL,CAAc,WAAd,EACA,KAAKC,KAAL,EACH,CAJ0C,CAIzCC,IAJyC,CAIpC,IAJoC,CAA3C,EAMAP,CAAS,CAACQ,MAAV,CAAiB,UAAW,CACxB,GAAIC,CAAAA,CAAI,CAAG3B,CAAC,CAAC,IAAD,CAAZ,CACA,GAAI,CAAC2B,CAAI,CAACC,GAAL,EAAL,CAAiB,CACbZ,CAAO,CAACa,IAAR,CAAa,UAAb,IACH,CAFD,IAEO,CACHb,CAAO,CAACa,IAAR,CAAa,UAAb,IACH,CACJ,CAPD,EAOGH,MAPH,GASAV,CAAO,CAACI,KAAR,CAAc,SAASC,CAAT,CAAY,CACtBA,CAAC,CAACC,cAAF,GACA,GAAIM,CAAAA,CAAG,CAAGV,CAAS,CAACU,GAAV,EAAV,CACA,GAAI,CAACA,CAAL,CAAU,CACN,MACH,CACD,KAAKL,QAAL,CAAc,OAAd,CAAuB,CACnB,OAAUK,CADS,CAEnB,KAAQT,CAAU,CAACS,GAAX,EAFW,CAAvB,EAIA,KAAKJ,KAAL,EACH,CAXa,CAWZC,IAXY,CAWP,IAXO,CAAd,CAYH,CAhCD,CAuCAnB,CAAK,CAACE,SAAN,CAAgBgB,KAAhB,CAAwB,UAAW,CAC/B,KAAKV,MAAL,CAAYU,KAAZ,GACA,KAAKV,MAAL,CAAc,IACjB,CAHD,CAYAR,CAAK,CAACE,SAAN,CAAgBsB,OAAhB,CAA0B,UAAW,CACjCC,CAAC,CAACC,IAAF,CAAOC,UAAP,CAAkB,gCAAlB,EACA,MAAOjC,CAAAA,CAAC,CAACkC,IAAF,CACH7B,CAAG,CAAC8B,UAAJ,CAAe,MAAf,CAAuB,SAAvB,CADG,CAEH,KAAKC,OAAL,EAFG,EAINC,IAJM,CAID,SAASC,CAAT,CAAgBC,CAAhB,CAAgC,CAClC,KAAKzB,MAAL,CAAc,GAAIX,CAAAA,CAAJ,CACVmC,CADU,CAEVC,CAAc,CAAC,CAAD,CAFJ,CAGV,UAAW,CACP,KAAKxB,YAAL,GACAgB,CAAC,CAACC,IAAF,CAAOQ,WAAP,CAAmB,gCAAnB,CACH,CAHD,CAGEf,IAHF,CAGO,IAHP,CAHU,CAAd,CASA,MAAO,MAAKX,MACf,CAXK,CAWJW,IAXI,CAWC,IAXD,CAJC,EAgBNgB,KAhBM,CAgBAxC,CAAY,CAACyC,SAhBb,CAiBV,CAnBD,CA6BApC,CAAK,CAACE,SAAN,CAAgBS,KAAhB,CAAwB,SAAS0B,CAAT,CAAmB,CACvC,MAAO3C,CAAAA,CAAC,CAAC,KAAKc,MAAL,CAAY8B,UAAZ,EAAD,CAAD,CAA4BC,IAA5B,CAAiCF,CAAjC,CACV,CAFD,CAWArC,CAAK,CAACE,SAAN,CAAgB4B,OAAhB,CAA0B,UAAW,CACjC,GAAIU,CAAAA,CAAO,CAAG,CACVC,QAAQ,CAAE,KAAKC,SADL,CAEVC,OAAO,CAAE,KAAKtC,cAFJ,CAAd,CAIA,MAAOT,CAAAA,CAAS,CAACgD,MAAV,CAAiB,2BAAjB,CAA8CJ,CAA9C,CACV,CAND,CAQA,MAAmDxC,CAAAA,CAEtD,CAlIK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grade dialogue.\n *\n * @package    tool_lp\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/templates',\n        'tool_lp/dialogue',\n        'tool_lp/event_base',\n        'core/str'],\n        function($, Notification, Templates, Dialogue, EventBase, Str) {\n\n    /**\n     * Grade dialogue class.\n     * @param {Array} ratingOptions\n     */\n    var Grade = function(ratingOptions) {\n        EventBase.prototype.constructor.apply(this, []);\n        this._ratingOptions = ratingOptions;\n    };\n    Grade.prototype = Object.create(EventBase.prototype);\n\n    /** @type {Dialogue} The dialogue. */\n    Grade.prototype._popup = null;\n    /** @type {Array} Array of objects containing, 'value', 'name' and optionally 'selected'. */\n    Grade.prototype._ratingOptions = null;\n\n    /**\n     * After render hook.\n     *\n     * @method _afterRender\n     * @protected\n     */\n    Grade.prototype._afterRender = function() {\n        var btnRate = this._find('[data-action=\"rate\"]'),\n            lstRating = this._find('[name=\"rating\"]'),\n            txtComment = this._find('[name=\"comment\"]');\n\n        this._find('[data-action=\"cancel\"]').click(function(e) {\n            e.preventDefault();\n            this._trigger('cancelled');\n            this.close();\n        }.bind(this));\n\n        lstRating.change(function() {\n            var node = $(this);\n            if (!node.val()) {\n                btnRate.prop('disabled', true);\n            } else {\n                btnRate.prop('disabled', false);\n            }\n        }).change();\n\n        btnRate.click(function(e) {\n            e.preventDefault();\n            var val = lstRating.val();\n            if (!val) {\n                return;\n            }\n            this._trigger('rated', {\n                'rating': val,\n                'note': txtComment.val()\n            });\n            this.close();\n        }.bind(this));\n    };\n\n    /**\n     * Close the dialogue.\n     *\n     * @method close\n     */\n    Grade.prototype.close = function() {\n        this._popup.close();\n        this._popup = null;\n    };\n\n    /**\n     * Opens the picker.\n     *\n     * @param {Number} competencyId The competency ID of the competency to work on.\n     * @method display\n     * @return {Promise}\n     */\n    Grade.prototype.display = function() {\n        M.util.js_pending('tool_lp/grade_dialogue:display');\n        return $.when(\n            Str.get_string('rate', 'tool_lp'),\n            this._render()\n        )\n        .then(function(title, templateResult) {\n            this._popup = new Dialogue(\n                title,\n                templateResult[0],\n                function() {\n                    this._afterRender();\n                    M.util.js_complete('tool_lp/grade_dialogue:display');\n                }.bind(this)\n            );\n\n            return this._popup;\n        }.bind(this))\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Find a node in the dialogue.\n     *\n     * @param {String} selector\n     * @method _find\n     * @returns {node} The node\n     * @protected\n     */\n    Grade.prototype._find = function(selector) {\n        return $(this._popup.getContent()).find(selector);\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @protected\n     * @return {Promise}\n     */\n    Grade.prototype._render = function() {\n        var context = {\n            cangrade: this._canGrade,\n            ratings: this._ratingOptions\n        };\n        return Templates.render('tool_lp/competency_grader', context);\n    };\n\n    return /** @alias module:tool_lp/grade_dialogue */ Grade;\n\n});\n"],"file":"grade_dialogue.min.js"}
\ No newline at end of file
+{"version":3,"file":"grade_dialogue.min.js","sources":["../src/grade_dialogue.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grade dialogue.\n *\n * @package    tool_lp\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/templates',\n        'tool_lp/dialogue',\n        'tool_lp/event_base',\n        'core/str'],\n        function($, Notification, Templates, Dialogue, EventBase, Str) {\n\n    /**\n     * Grade dialogue class.\n     * @param {Array} ratingOptions\n     */\n    var Grade = function(ratingOptions) {\n        EventBase.prototype.constructor.apply(this, []);\n        this._ratingOptions = ratingOptions;\n    };\n    Grade.prototype = Object.create(EventBase.prototype);\n\n    /** @type {Dialogue} The dialogue. */\n    Grade.prototype._popup = null;\n    /** @type {Array} Array of objects containing, 'value', 'name' and optionally 'selected'. */\n    Grade.prototype._ratingOptions = null;\n\n    /**\n     * After render hook.\n     *\n     * @method _afterRender\n     * @protected\n     */\n    Grade.prototype._afterRender = function() {\n        var btnRate = this._find('[data-action=\"rate\"]'),\n            lstRating = this._find('[name=\"rating\"]'),\n            txtComment = this._find('[name=\"comment\"]');\n\n        this._find('[data-action=\"cancel\"]').click(function(e) {\n            e.preventDefault();\n            this._trigger('cancelled');\n            this.close();\n        }.bind(this));\n\n        lstRating.change(function() {\n            var node = $(this);\n            if (!node.val()) {\n                btnRate.prop('disabled', true);\n            } else {\n                btnRate.prop('disabled', false);\n            }\n        }).change();\n\n        btnRate.click(function(e) {\n            e.preventDefault();\n            var val = lstRating.val();\n            if (!val) {\n                return;\n            }\n            this._trigger('rated', {\n                'rating': val,\n                'note': txtComment.val()\n            });\n            this.close();\n        }.bind(this));\n    };\n\n    /**\n     * Close the dialogue.\n     *\n     * @method close\n     */\n    Grade.prototype.close = function() {\n        this._popup.close();\n        this._popup = null;\n    };\n\n    /**\n     * Opens the picker.\n     *\n     * @param {Number} competencyId The competency ID of the competency to work on.\n     * @method display\n     * @return {Promise}\n     */\n    Grade.prototype.display = function() {\n        M.util.js_pending('tool_lp/grade_dialogue:display');\n        return $.when(\n            Str.get_string('rate', 'tool_lp'),\n            this._render()\n        )\n        .then(function(title, templateResult) {\n            this._popup = new Dialogue(\n                title,\n                templateResult[0],\n                function() {\n                    this._afterRender();\n                    M.util.js_complete('tool_lp/grade_dialogue:display');\n                }.bind(this)\n            );\n\n            return this._popup;\n        }.bind(this))\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Find a node in the dialogue.\n     *\n     * @param {String} selector\n     * @method _find\n     * @returns {node} The node\n     * @protected\n     */\n    Grade.prototype._find = function(selector) {\n        return $(this._popup.getContent()).find(selector);\n    };\n\n    /**\n     * Render the dialogue.\n     *\n     * @method _render\n     * @protected\n     * @return {Promise}\n     */\n    Grade.prototype._render = function() {\n        var context = {\n            cangrade: this._canGrade,\n            ratings: this._ratingOptions\n        };\n        return Templates.render('tool_lp/competency_grader', context);\n    };\n\n    return /** @alias module:tool_lp/grade_dialogue */ Grade;\n\n});\n"],"names":["define","$","Notification","Templates","Dialogue","EventBase","Str","Grade","ratingOptions","prototype","constructor","apply","this","_ratingOptions","Object","create","_popup","_afterRender","btnRate","_find","lstRating","txtComment","click","e","preventDefault","_trigger","close","bind","change","val","prop","display","M","util","js_pending","when","get_string","_render","then","title","templateResult","js_complete","catch","exception","selector","getContent","find","context","cangrade","_canGrade","ratings","render"],"mappings":";;;;;;;AAuBAA,gCAAO,CAAC,SACA,oBACA,iBACA,mBACA,qBACA,aACA,SAASC,EAAGC,aAAcC,UAAWC,SAAUC,UAAWC,SAM1DC,MAAQ,SAASC,eACjBH,UAAUI,UAAUC,YAAYC,MAAMC,KAAM,SACvCC,eAAiBL,sBAE1BD,MAAME,UAAYK,OAAOC,OAAOV,UAAUI,YAG1BO,OAAS,KAEzBT,MAAME,UAAUI,eAAiB,KAQjCN,MAAME,UAAUQ,aAAe,eACvBC,QAAUN,KAAKO,MAAM,wBACrBC,UAAYR,KAAKO,MAAM,mBACvBE,WAAaT,KAAKO,MAAM,yBAEvBA,MAAM,0BAA0BG,MAAM,SAASC,GAChDA,EAAEC,sBACGC,SAAS,kBACTC,SACPC,KAAKf,OAEPQ,UAAUQ,QAAO,WACF3B,EAAEW,MACHiB,MAGNX,QAAQY,KAAK,YAAY,GAFzBZ,QAAQY,KAAK,YAAY,MAI9BF,SAEHV,QAAQI,MAAM,SAASC,GACnBA,EAAEC,qBACEK,IAAMT,UAAUS,MACfA,WAGAJ,SAAS,QAAS,QACTI,SACFR,WAAWQ,aAElBH,UACPC,KAAKf,QAQXL,MAAME,UAAUiB,MAAQ,gBACfV,OAAOU,aACPV,OAAS,MAUlBT,MAAME,UAAUsB,QAAU,kBACtBC,EAAEC,KAAKC,WAAW,kCACXjC,EAAEkC,KACL7B,IAAI8B,WAAW,OAAQ,WACvBxB,KAAKyB,WAERC,KAAK,SAASC,MAAOC,4BACbxB,OAAS,IAAIZ,SACdmC,MACAC,eAAe,GACf,gBACSvB,eACLe,EAAEC,KAAKQ,YAAY,mCACrBd,KAAKf,OAGJA,KAAKI,QACdW,KAAKf,OACN8B,MAAMxC,aAAayC,YAWxBpC,MAAME,UAAUU,MAAQ,SAASyB,iBACtB3C,EAAEW,KAAKI,OAAO6B,cAAcC,KAAKF,WAU5CrC,MAAME,UAAU4B,QAAU,eAClBU,QAAU,CACVC,SAAUpC,KAAKqC,UACfC,QAAStC,KAAKC,uBAEXV,UAAUgD,OAAO,4BAA6BJ,UAGNxC"}
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diff --git a/admin/tool/lp/amd/build/grade_user_competency_inline.min.js b/admin/tool/lp/amd/build/grade_user_competency_inline.min.js
index 45c08008cf2..4f45e349729 100644
--- a/admin/tool/lp/amd/build/grade_user_competency_inline.min.js
+++ b/admin/tool/lp/amd/build/grade_user_competency_inline.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/grade_user_competency_inline",["jquery","core/notification","core/ajax","core/log","tool_lp/grade_dialogue","tool_lp/event_base","tool_lp/scalevalues"],function(a,b,c,d,e,f,g){var h=function(b,c,d,e,g,h,i){f.prototype.constructor.apply(this,[]);var j=a(b);if(!j.length){throw new Error("Could not find the trigger")}this._scaleId=c;this._competencyId=d;this._userId=e;this._planId=g;this._courseId=h;this._chooseStr=i;this._setUp();j.click(function(a){a.preventDefault();this._dialogue.display()}.bind(this));if(this._planId){this._methodName="core_competency_grade_competency_in_plan";this._args={competencyid:this._competencyId,planid:this._planId}}else if(this._courseId){this._methodName="core_competency_grade_competency_in_course";this._args={competencyid:this._competencyId,courseid:this._courseId,userid:this._userId}}else{this._methodName="core_competency_grade_competency";this._args={userid:this._userId,competencyid:this._competencyId}}};h.prototype=Object.create(f.prototype);h.prototype._setUp=function(){var a=[],d=this;M.util.js_pending("tool_lp/grade_user_competency_inline:_setUp");var f=g.get_values(d._scaleId);f.then(function(b){a.push({value:"",name:d._chooseStr});for(var c=0,e;c<b.length;c++){e=b[c];a.push({value:e.id,name:e.name})}return a}).then(function(a){return new e(a)}).then(function(a){a.on("rated",function(a,e){var f=d._args;f.grade=e.rating;f.note=e.note;c.call([{methodname:d._methodName,args:f,done:function done(a){d._trigger("competencyupdated",{args:f,evidence:a})},fail:b.exception}])});return a}).then(function(a){d._dialogue=a;M.util.js_complete("tool_lp/grade_user_competency_inline:_setUp")}).fail(b.exception)};h.prototype._scaleId=null;h.prototype._competencyId=null;h.prototype._userId=null;h.prototype._planId=null;h.prototype._courseId=null;h.prototype._chooseStr=null;h.prototype._dialogue=null;return h});
-//# sourceMappingURL=grade_user_competency_inline.min.js.map
+/**
+ * Module to enable inline editing of a comptency grade.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/grade_user_competency_inline",["jquery","core/notification","core/ajax","core/log","tool_lp/grade_dialogue","tool_lp/event_base","tool_lp/scalevalues"],(function($,notification,ajax,log,GradeDialogue,EventBase,ScaleValues){var InlineEditor=function(selector,scaleId,competencyId,userId,planId,courseId,chooseStr){EventBase.prototype.constructor.apply(this,[]);var trigger=$(selector);if(!trigger.length)throw new Error("Could not find the trigger");this._scaleId=scaleId,this._competencyId=competencyId,this._userId=userId,this._planId=planId,this._courseId=courseId,this._chooseStr=chooseStr,this._setUp(),trigger.click(function(e){e.preventDefault(),this._dialogue.display()}.bind(this)),this._planId?(this._methodName="core_competency_grade_competency_in_plan",this._args={competencyid:this._competencyId,planid:this._planId}):this._courseId?(this._methodName="core_competency_grade_competency_in_course",this._args={competencyid:this._competencyId,courseid:this._courseId,userid:this._userId}):(this._methodName="core_competency_grade_competency",this._args={userid:this._userId,competencyid:this._competencyId})};return(InlineEditor.prototype=Object.create(EventBase.prototype))._setUp=function(){var options=[],self=this;M.util.js_pending("tool_lp/grade_user_competency_inline:_setUp"),ScaleValues.get_values(self._scaleId).then((function(scalevalues){options.push({value:"",name:self._chooseStr});for(var i=0;i<scalevalues.length;i++){var optionConfig=scalevalues[i];options.push({value:optionConfig.id,name:optionConfig.name})}return options})).then((function(options){return new GradeDialogue(options)})).then((function(dialogue){return dialogue.on("rated",(function(e,data){var args=self._args;args.grade=data.rating,args.note=data.note,ajax.call([{methodname:self._methodName,args:args,done:function(evidence){self._trigger("competencyupdated",{args:args,evidence:evidence})},fail:notification.exception}])})),dialogue})).then((function(dialogue){self._dialogue=dialogue,M.util.js_complete("tool_lp/grade_user_competency_inline:_setUp")})).fail(notification.exception)},InlineEditor.prototype._scaleId=null,InlineEditor.prototype._competencyId=null,InlineEditor.prototype._userId=null,InlineEditor.prototype._planId=null,InlineEditor.prototype._courseId=null,InlineEditor.prototype._chooseStr=null,InlineEditor.prototype._dialogue=null,InlineEditor}));
+
+//# sourceMappingURL=grade_user_competency_inline.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/grade_user_competency_inline.min.js.map b/admin/tool/lp/amd/build/grade_user_competency_inline.min.js.map
index 4cc60b609df..af09509a4fc 100644
--- a/admin/tool/lp/amd/build/grade_user_competency_inline.min.js.map
+++ b/admin/tool/lp/amd/build/grade_user_competency_inline.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to enable inline editing of a comptency grade.\n *\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/log',\n        'tool_lp/grade_dialogue',\n        'tool_lp/event_base',\n        'tool_lp/scalevalues',\n    ], function($, notification, ajax, log, GradeDialogue, EventBase, ScaleValues) {\n\n    /**\n     * InlineEditor\n     *\n     * @param {String} selector The selector to trigger the grading.\n     * @param {Number} scaleId The id of the scale for this competency.\n     * @param {Number} competencyId The id of the competency.\n     * @param {Number} userId The id of the user.\n     * @param {Number} planId The id of the plan.\n     * @param {Number} courseId The id of the course.\n     * @param {String} chooseStr Language string for choose a rating.\n     */\n    var InlineEditor = function(selector, scaleId, competencyId, userId, planId, courseId, chooseStr) {\n        EventBase.prototype.constructor.apply(this, []);\n\n        var trigger = $(selector);\n        if (!trigger.length) {\n            throw new Error('Could not find the trigger');\n        }\n\n        this._scaleId = scaleId;\n        this._competencyId = competencyId;\n        this._userId = userId;\n        this._planId = planId;\n        this._courseId = courseId;\n        this._chooseStr = chooseStr;\n        this._setUp();\n\n        trigger.click(function(e) {\n            e.preventDefault();\n            this._dialogue.display();\n        }.bind(this));\n\n        if (this._planId) {\n            this._methodName = 'core_competency_grade_competency_in_plan';\n            this._args = {\n                competencyid: this._competencyId,\n                planid: this._planId\n            };\n        } else if (this._courseId) {\n            this._methodName = 'core_competency_grade_competency_in_course';\n            this._args = {\n                competencyid: this._competencyId,\n                courseid: this._courseId,\n                userid: this._userId\n            };\n        } else {\n            this._methodName = 'core_competency_grade_competency';\n            this._args = {\n                userid: this._userId,\n                competencyid: this._competencyId\n            };\n        }\n    };\n    InlineEditor.prototype = Object.create(EventBase.prototype);\n\n    /**\n     * Setup.\n     *\n     * @method _setUp\n     */\n    InlineEditor.prototype._setUp = function() {\n        var options = [],\n            self = this;\n\n        M.util.js_pending('tool_lp/grade_user_competency_inline:_setUp');\n        var promise = ScaleValues.get_values(self._scaleId);\n        promise.then(function(scalevalues) {\n            options.push({\n                value: '',\n                name: self._chooseStr\n            });\n\n            for (var i = 0; i < scalevalues.length; i++) {\n                var optionConfig = scalevalues[i];\n                options.push({\n                    value: optionConfig.id,\n                    name: optionConfig.name\n                });\n            }\n\n            return options;\n        })\n        .then(function(options) {\n            return new GradeDialogue(options);\n        })\n        .then(function(dialogue) {\n            dialogue.on('rated', function(e, data) {\n                var args = self._args;\n                args.grade = data.rating;\n                args.note = data.note;\n                ajax.call([{\n                    methodname: self._methodName,\n                    args: args,\n                    done: function(evidence) {\n                        self._trigger('competencyupdated', {args: args, evidence: evidence});\n                    },\n                    fail: notification.exception\n                }]);\n            });\n\n            return dialogue;\n        })\n        .then(function(dialogue) {\n            self._dialogue = dialogue;\n\n            M.util.js_complete('tool_lp/grade_user_competency_inline:_setUp');\n            return;\n        })\n        .fail(notification.exception);\n    };\n\n    /** @type {Number} The scale id for this competency. */\n    InlineEditor.prototype._scaleId = null;\n    /** @type {Number} The id of the competency. */\n    InlineEditor.prototype._competencyId = null;\n    /** @type {Number} The id of the user. */\n    InlineEditor.prototype._userId = null;\n    /** @type {Number} The id of the plan. */\n    InlineEditor.prototype._planId = null;\n    /** @type {Number} The id of the course. */\n    InlineEditor.prototype._courseId = null;\n    /** @type {String} The text for Choose rating. */\n    InlineEditor.prototype._chooseStr = null;\n    /** @type {GradeDialogue} The grading dialogue. */\n    InlineEditor.prototype._dialogue = null;\n\n    return /** @alias module:tool_lp/grade_user_competency_inline */ InlineEditor;\n\n});\n"],"file":"grade_user_competency_inline.min.js"}
\ No newline at end of file
+{"version":3,"file":"grade_user_competency_inline.min.js","sources":["../src/grade_user_competency_inline.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to enable inline editing of a comptency grade.\n *\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery',\n        'core/notification',\n        'core/ajax',\n        'core/log',\n        'tool_lp/grade_dialogue',\n        'tool_lp/event_base',\n        'tool_lp/scalevalues',\n    ], function($, notification, ajax, log, GradeDialogue, EventBase, ScaleValues) {\n\n    /**\n     * InlineEditor\n     *\n     * @param {String} selector The selector to trigger the grading.\n     * @param {Number} scaleId The id of the scale for this competency.\n     * @param {Number} competencyId The id of the competency.\n     * @param {Number} userId The id of the user.\n     * @param {Number} planId The id of the plan.\n     * @param {Number} courseId The id of the course.\n     * @param {String} chooseStr Language string for choose a rating.\n     */\n    var InlineEditor = function(selector, scaleId, competencyId, userId, planId, courseId, chooseStr) {\n        EventBase.prototype.constructor.apply(this, []);\n\n        var trigger = $(selector);\n        if (!trigger.length) {\n            throw new Error('Could not find the trigger');\n        }\n\n        this._scaleId = scaleId;\n        this._competencyId = competencyId;\n        this._userId = userId;\n        this._planId = planId;\n        this._courseId = courseId;\n        this._chooseStr = chooseStr;\n        this._setUp();\n\n        trigger.click(function(e) {\n            e.preventDefault();\n            this._dialogue.display();\n        }.bind(this));\n\n        if (this._planId) {\n            this._methodName = 'core_competency_grade_competency_in_plan';\n            this._args = {\n                competencyid: this._competencyId,\n                planid: this._planId\n            };\n        } else if (this._courseId) {\n            this._methodName = 'core_competency_grade_competency_in_course';\n            this._args = {\n                competencyid: this._competencyId,\n                courseid: this._courseId,\n                userid: this._userId\n            };\n        } else {\n            this._methodName = 'core_competency_grade_competency';\n            this._args = {\n                userid: this._userId,\n                competencyid: this._competencyId\n            };\n        }\n    };\n    InlineEditor.prototype = Object.create(EventBase.prototype);\n\n    /**\n     * Setup.\n     *\n     * @method _setUp\n     */\n    InlineEditor.prototype._setUp = function() {\n        var options = [],\n            self = this;\n\n        M.util.js_pending('tool_lp/grade_user_competency_inline:_setUp');\n        var promise = ScaleValues.get_values(self._scaleId);\n        promise.then(function(scalevalues) {\n            options.push({\n                value: '',\n                name: self._chooseStr\n            });\n\n            for (var i = 0; i < scalevalues.length; i++) {\n                var optionConfig = scalevalues[i];\n                options.push({\n                    value: optionConfig.id,\n                    name: optionConfig.name\n                });\n            }\n\n            return options;\n        })\n        .then(function(options) {\n            return new GradeDialogue(options);\n        })\n        .then(function(dialogue) {\n            dialogue.on('rated', function(e, data) {\n                var args = self._args;\n                args.grade = data.rating;\n                args.note = data.note;\n                ajax.call([{\n                    methodname: self._methodName,\n                    args: args,\n                    done: function(evidence) {\n                        self._trigger('competencyupdated', {args: args, evidence: evidence});\n                    },\n                    fail: notification.exception\n                }]);\n            });\n\n            return dialogue;\n        })\n        .then(function(dialogue) {\n            self._dialogue = dialogue;\n\n            M.util.js_complete('tool_lp/grade_user_competency_inline:_setUp');\n            return;\n        })\n        .fail(notification.exception);\n    };\n\n    /** @type {Number} The scale id for this competency. */\n    InlineEditor.prototype._scaleId = null;\n    /** @type {Number} The id of the competency. */\n    InlineEditor.prototype._competencyId = null;\n    /** @type {Number} The id of the user. */\n    InlineEditor.prototype._userId = null;\n    /** @type {Number} The id of the plan. */\n    InlineEditor.prototype._planId = null;\n    /** @type {Number} The id of the course. */\n    InlineEditor.prototype._courseId = null;\n    /** @type {String} The text for Choose rating. */\n    InlineEditor.prototype._chooseStr = null;\n    /** @type {GradeDialogue} The grading dialogue. */\n    InlineEditor.prototype._dialogue = null;\n\n    return /** @alias module:tool_lp/grade_user_competency_inline */ InlineEditor;\n\n});\n"],"names":["define","$","notification","ajax","log","GradeDialogue","EventBase","ScaleValues","InlineEditor","selector","scaleId","competencyId","userId","planId","courseId","chooseStr","prototype","constructor","apply","this","trigger","length","Error","_scaleId","_competencyId","_userId","_planId","_courseId","_chooseStr","_setUp","click","e","preventDefault","_dialogue","display","bind","_methodName","_args","competencyid","planid","courseid","userid","Object","create","options","self","M","util","js_pending","get_values","then","scalevalues","push","value","name","i","optionConfig","id","dialogue","on","data","args","grade","rating","note","call","methodname","done","evidence","_trigger","fail","exception","js_complete"],"mappings":";;;;;;;AAuBAA,8CAAO,CAAC,SACA,oBACA,YACA,WACA,yBACA,qBACA,wBACD,SAASC,EAAGC,aAAcC,KAAMC,IAAKC,cAAeC,UAAWC,iBAa9DC,aAAe,SAASC,SAAUC,QAASC,aAAcC,OAAQC,OAAQC,SAAUC,WACnFT,UAAUU,UAAUC,YAAYC,MAAMC,KAAM,QAExCC,QAAUnB,EAAEQ,cACXW,QAAQC,aACH,IAAIC,MAAM,mCAGfC,SAAWb,aACXc,cAAgBb,kBAChBc,QAAUb,YACVc,QAAUb,YACVc,UAAYb,cACZc,WAAab,eACbc,SAELT,QAAQU,MAAM,SAASC,GACnBA,EAAEC,sBACGC,UAAUC,WACjBC,KAAKhB,OAEHA,KAAKO,cACAU,YAAc,gDACdC,MAAQ,CACTC,aAAcnB,KAAKK,cACnBe,OAAQpB,KAAKO,UAEVP,KAAKQ,gBACPS,YAAc,kDACdC,MAAQ,CACTC,aAAcnB,KAAKK,cACnBgB,SAAUrB,KAAKQ,UACfc,OAAQtB,KAAKM,gBAGZW,YAAc,wCACdC,MAAQ,CACTI,OAAQtB,KAAKM,QACba,aAAcnB,KAAKK,wBAI/BhB,aAAaQ,UAAY0B,OAAOC,OAAOrC,UAAUU,YAO1Ba,OAAS,eACxBe,QAAU,GACVC,KAAO1B,KAEX2B,EAAEC,KAAKC,WAAW,+CACJzC,YAAY0C,WAAWJ,KAAKtB,UAClC2B,MAAK,SAASC,aAClBP,QAAQQ,KAAK,CACTC,MAAO,GACPC,KAAMT,KAAKjB,iBAGV,IAAI2B,EAAI,EAAGA,EAAIJ,YAAY9B,OAAQkC,IAAK,KACrCC,aAAeL,YAAYI,GAC/BX,QAAQQ,KAAK,CACTC,MAAOG,aAAaC,GACpBH,KAAME,aAAaF,cAIpBV,WAEVM,MAAK,SAASN,gBACJ,IAAIvC,cAAcuC,YAE5BM,MAAK,SAASQ,iBACXA,SAASC,GAAG,SAAS,SAAS5B,EAAG6B,UACzBC,KAAOhB,KAAKR,MAChBwB,KAAKC,MAAQF,KAAKG,OAClBF,KAAKG,KAAOJ,KAAKI,KACjB7D,KAAK8D,KAAK,CAAC,CACPC,WAAYrB,KAAKT,YACjByB,KAAMA,KACNM,KAAM,SAASC,UACXvB,KAAKwB,SAAS,oBAAqB,CAACR,KAAMA,KAAMO,SAAUA,YAE9DE,KAAMpE,aAAaqE,gBAIpBb,YAEVR,MAAK,SAASQ,UACXb,KAAKZ,UAAYyB,SAEjBZ,EAAEC,KAAKyB,YAAY,kDAGtBF,KAAKpE,aAAaqE,YAIvB/D,aAAaQ,UAAUO,SAAW,KAElCf,aAAaQ,UAAUQ,cAAgB,KAEvChB,aAAaQ,UAAUS,QAAU,KAEjCjB,aAAaQ,UAAUU,QAAU,KAEjClB,aAAaQ,UAAUW,UAAY,KAEnCnB,aAAaQ,UAAUY,WAAa,KAEpCpB,aAAaQ,UAAUiB,UAAY,KAE8BzB"}
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diff --git a/admin/tool/lp/amd/build/menubar.min.js b/admin/tool/lp/amd/build/menubar.min.js
index e71b3c84eb6..0af3f8f10ba 100644
--- a/admin/tool/lp/amd/build/menubar.min.js
+++ b/admin/tool/lp/amd/build/menubar.min.js
@@ -1,2 +1,12 @@
-define ("tool_lp/menubar",["jquery"],function(a){var b=!1,c=!1,d=function(){a(".tool-lp-menu .tool-lp-sub-menu").attr("aria-hidden","true");c=!1},e=function(a,b){this.menuRoot=a;this.handlers=b;this.rootMenus=this.menuRoot.children("li");this.subMenus=this.rootMenus.children("ul");this.subMenuItems=this.subMenus.children("li");this.allItems=this.rootMenus.add(this.subMenuItems);this.activeItem=null;this.isChildOpen=!1;this.keys={tab:9,enter:13,esc:27,space:32,left:37,up:38,right:39,down:40};this.addAriaAttributes();this.addEventListeners()};e.prototype.openSubMenu=function(a){this.setOpenDirection();d();a.attr("aria-hidden","false");c=!0};e.prototype.addEventListeners=function(){var f=this;if(!1===b){a(document).click(function(){if(c){d()}});b=!0}this.subMenuItems.mouseenter(function(){a(this).addClass("menu-hover");return!0});this.subMenuItems.mouseout(function(){a(this).removeClass("menu-hover");return!0});this.allItems.click(function(b){return f.handleClick(a(this),b)});this.allItems.keydown(function(b){return f.handleKeyDown(a(this),b)});this.allItems.focus(function(){return f.handleFocus(a(this))});this.allItems.blur(function(){return f.handleBlur(a(this))})};e.prototype.handleClick=function(b,c){c.stopPropagation();var d=b.parent();if(d.is(".tool-lp-menu")){if("true"==b.children("ul").first().attr("aria-hidden")){this.openSubMenu(b.children("ul").first())}else{b.children("ul").first().attr("aria-hidden","true")}}else{this.allItems.removeClass("menu-hover menu-focus");this.activeItem=null;this.menuRoot.find("ul").not(".root-level").attr("aria-hidden","true");var e=b.find("a").first(),f=new a.Event("click");f.target=e;var g=!1;if(this.handlers){a.each(this.handlers,function(c,d){if(g){return}if(0<b.find(c).length){var h=a.proxy(d,e);g=!1===h(f)||f.isDefaultPrevented()}})}if(!g&&"#"!==e.attr("href")){window.location.href=e.attr("href")}}return!1};e.prototype.handleFocus=function(a){if(null===this.activeItem){this.activeItem=a}else if(a[0]!=this.activeItem[0]){return!0}var b=this.activeItem.parentsUntil("ul.tool-lp-menu").filter("li");this.allItems.removeClass("menu-focus");this.activeItem.addClass("menu-focus");b.addClass("menu-focus");if(!0===this.isChildOpen){var c=a.parent();if(c.is(".tool-lp-menu")&&"true"==a.attr("aria-haspopup")){this.openSubMenu(a.children("ul").first())}}return!0};e.prototype.handleBlur=function(a){a.removeClass("menu-focus");return!0};e.prototype.setOpenDirection=function(){var b=this.menuRoot.offset(),c=a(document.body).hasClass("dir-rtl"),d=this.rootMenus.outerHeight(),e=this.rootMenus.outerWidth(),f=this.rootMenus.find("ul.tool-lp-sub-menu");f.css("margin-right","");f.css("margin-left","");f.css("margin-top","");f.attr("aria-hidden",!1);var g=f.outerWidth(),h=f.outerHeight(),i=null,j=null,k=null,l=b.top-a(window).scrollTop();if(l+h>a(window).height()){i=h+d;f.css("margin-top","-"+i+"px")}if(c){if(0>b.left-g){j=g-e;f.css("margin-right","-"+j+"px")}}else{if(b.left+g>a(window).width()){k=g-e;f.css("margin-left","-"+k+"px")}}if(!0){this.menuRoot.addClass("tool-lp-menu-open-left")}else{this.menuRoot.removeClass("tool-lp-menu-open-left")}};e.prototype.handleKeyDown=function(a,b){if(b.altKey||b.ctrlKey){return!0}switch(b.keyCode){case this.keys.tab:{this.menuRoot.find("ul").attr("aria-hidden","true");this.allItems.removeClass("menu-focus");this.activeItem=null;this.isChildOpen=!1;break}case this.keys.esc:{var c=a.parent();if(c.is(".tool-lp-menu")){a.children("ul").first().attr("aria-hidden","true")}else{this.activeItem=c.parent();this.isChildOpen=!1;this.activeItem.focus();c.attr("aria-hidden","true")}b.stopPropagation();return!1}case this.keys.enter:case this.keys.space:{return this.handleClick(a,b)}case this.keys.left:{this.activeItem=this.moveToPrevious(a);this.activeItem.focus();b.stopPropagation();return!1}case this.keys.right:{this.activeItem=this.moveToNext(a);this.activeItem.focus();b.stopPropagation();return!1}case this.keys.up:{this.activeItem=this.moveUp(a);this.activeItem.focus();b.stopPropagation();return!1}case this.keys.down:{this.activeItem=this.moveDown(a);this.activeItem.focus();b.stopPropagation();return!1}}return!0};e.prototype.moveToNext=function(a){var b=a.parent(),c=b.children("li"),d=c.length,e=c.index(a),f=null,g=null;if(b.is(".tool-lp-menu")){if(e<d-1){f=a.next()}else{f=c.first()}if("true"==a.attr("aria-haspopup")){g=a.children("ul").first();if("false"==g.attr("aria-hidden")){g.attr("aria-hidden","true");this.isChildOpen=!0}}a.removeClass("menu-focus");if("true"===f.attr("aria-haspopup")&&!0===this.isChildOpen){g=f.children("ul").first();this.openSubMenu(g)}}else{if("true"==a.attr("aria-haspopup")){g=a.children("ul").first();f=g.children("li").first();this.openSubMenu(g)}else{var h=null,i=null;h=a.parentsUntil("ul.tool-lp-menu").filter("ul").not(".tool-lp-menu");h.attr("aria-hidden","true");h.find("li").removeClass("menu-focus");h.last().parent().removeClass("menu-focus");i=h.last().parent();e=this.rootMenus.index(i);if(e<this.rootMenus.length-1){f=i.next()}else{f=this.rootMenus.first()}f.addClass("menu-focus");if("true"==f.attr("aria-haspopup")){g=f.children("ul").first();f=g.children("li").first();this.openSubMenu(g);this.isChildOpen=!0}}}return f};e.prototype.moveToPrevious=function(a){var b=a.parent(),c=b.children("li"),d=c.index(a),e=null,f=null;if(b.is(".tool-lp-menu")){if(0<d){e=a.prev()}else{e=c.last()}if("true"==a.attr("aria-haspopup")){f=a.children("ul").first();if("false"==f.attr("aria-hidden")){f.attr("aria-hidden","true");this.isChildOpen=!0}}a.removeClass("menu-focus");if("true"===e.attr("aria-haspopup")&&!0===this.isChildOpen){f=e.children("ul").first();this.openSubMenu(f)}}else{var g=b.parent(),h=g.parent();if(!h.is(".tool-lp-menu")){e=b.parent();b.attr("aria-hidden","true");a.removeClass("menu-focus")}else{b.attr("aria-hidden","true");a.removeClass("menu-focus");g.removeClass("menu-focus");d=this.rootMenus.index(g);if(0<d){e=g.prev()}else{e=this.rootMenus.last()}e.addClass("menu-focus");if("true"==e.attr("aria-haspopup")){f=e.children("ul").first();this.openSubMenu(f);this.isChildOpen=!0;e=f.children("li").first()}}}return e};e.prototype.moveDown=function(a,b){var c=a.parent(),d=c.children("li").not(".separator"),e=d.length,f=d.index(a),g=null,h=null;if(c.is(".tool-lp-menu")){if("true"!=a.attr("aria-haspopup")){return a}h=a.children("ul").first();g=h.children("li").first();this.openSubMenu(h);return g}if(b){var i=!1,j=f+1;if(j==e){j=0}while(j!=f){var k=d.eq(j).html().charAt(0);if(k.toLowerCase()==b){i=!0;break}j=j+1;if(j==e){j=0}}if(!0==i){g=d.eq(j);a.removeClass("menu-focus");return g}else{return a}}else{if(f<e-1){g=d.eq(f+1)}else{g=d.first()}}a.removeClass("menu-focus");return g};e.prototype.moveUp=function(a){var b=a.parent(),c=b.children("li").not(".separator"),d=c.index(a),e=null;if(b.is(".tool-lp-menu")){return a}if(0<d){e=c.eq(d-1)}else{e=c.last()}a.removeClass("menu-focus");return e};e.prototype.addAriaAttributes=function(){this.menuRoot.attr("role","menubar");this.rootMenus.attr("role","menuitem");this.rootMenus.attr("tabindex","0");this.rootMenus.attr("aria-haspopup","true");this.subMenus.attr("role","menu");this.subMenus.attr("aria-hidden","true");this.subMenuItems.attr("role","menuitem");this.subMenuItems.attr("tabindex","-1");this.menuRoot.addClass("tool-lp-menu");this.allItems.addClass("tool-lp-menu-item");this.rootMenus.addClass("tool-lp-root-menu");this.subMenus.addClass("tool-lp-sub-menu");this.subMenuItems.addClass("dropdown-item")};return{enhance:function enhance(b,c){a(b).each(function(b,d){var f=a(d);if(!0!==f.data("menubarEnhanced")){new e(f,c);f.data("menubarEnhanced",!0)}})},closeAll:d}});
-//# sourceMappingURL=menubar.min.js.map
+/**
+ * Aria menubar functionality. Enhances a simple nested list structure into a full aria widget.
+ * Based on the open ajax example: http://oaa-accessibility.org/example/26/
+ *
+ * @module     tool_lp/menubar
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/menubar",["jquery"],(function($){var documentClickHandlerRegistered=!1,menuActive=!1,closeAllSubMenus=function(){$(".tool-lp-menu .tool-lp-sub-menu").attr("aria-hidden","true"),menuActive=!1},Menubar=function(menuRoot,handlers){this.menuRoot=menuRoot,this.handlers=handlers,this.rootMenus=this.menuRoot.children("li"),this.subMenus=this.rootMenus.children("ul"),this.subMenuItems=this.subMenus.children("li"),this.allItems=this.rootMenus.add(this.subMenuItems),this.activeItem=null,this.isChildOpen=!1,this.keys={tab:9,enter:13,esc:27,space:32,left:37,up:38,right:39,down:40},this.addAriaAttributes(),this.addEventListeners()};return Menubar.prototype.openSubMenu=function(menu){this.setOpenDirection(),closeAllSubMenus(),menu.attr("aria-hidden","false"),menuActive=!0},Menubar.prototype.addEventListeners=function(){var currentThis=this;!1===documentClickHandlerRegistered&&($(document).click((function(){menuActive&&closeAllSubMenus()})),documentClickHandlerRegistered=!0),this.subMenuItems.mouseenter((function(){return $(this).addClass("menu-hover"),!0})),this.subMenuItems.mouseout((function(){return $(this).removeClass("menu-hover"),!0})),this.allItems.click((function(e){return currentThis.handleClick($(this),e)})),this.allItems.keydown((function(e){return currentThis.handleKeyDown($(this),e)})),this.allItems.focus((function(){return currentThis.handleFocus($(this))})),this.allItems.blur((function(){return currentThis.handleBlur($(this))}))},Menubar.prototype.handleClick=function(item,e){if(e.stopPropagation(),item.parent().is(".tool-lp-menu"))"true"==item.children("ul").first().attr("aria-hidden")?this.openSubMenu(item.children("ul").first()):item.children("ul").first().attr("aria-hidden","true");else{this.allItems.removeClass("menu-hover menu-focus"),this.activeItem=null,this.menuRoot.find("ul").not(".root-level").attr("aria-hidden","true");var anchor=item.find("a").first(),clickEvent=new $.Event("click");clickEvent.target=anchor;var eventHandled=!1;this.handlers&&$.each(this.handlers,(function(selector,handler){if(!eventHandled&&item.find(selector).length>0){var callable=$.proxy(handler,anchor);eventHandled=!1===callable(clickEvent)||clickEvent.isDefaultPrevented()}})),eventHandled||"#"===anchor.attr("href")||(window.location.href=anchor.attr("href"))}return!1},Menubar.prototype.handleFocus=function(item){if(null===this.activeItem)this.activeItem=item;else if(item[0]!=this.activeItem[0])return!0;var parentItems=this.activeItem.parentsUntil("ul.tool-lp-menu").filter("li");(this.allItems.removeClass("menu-focus"),this.activeItem.addClass("menu-focus"),parentItems.addClass("menu-focus"),!0===this.isChildOpen)&&(item.parent().is(".tool-lp-menu")&&"true"==item.attr("aria-haspopup")&&this.openSubMenu(item.children("ul").first()));return!0},Menubar.prototype.handleBlur=function(item){return item.removeClass("menu-focus"),!0},Menubar.prototype.setOpenDirection=function(){var pos=this.menuRoot.offset(),isRTL=$(document.body).hasClass("dir-rtl"),heightmenuRoot=this.rootMenus.outerHeight(),widthmenuRoot=this.rootMenus.outerWidth(),subMenuContainer=this.rootMenus.find("ul.tool-lp-sub-menu");subMenuContainer.css("margin-right",""),subMenuContainer.css("margin-left",""),subMenuContainer.css("margin-top",""),subMenuContainer.attr("aria-hidden",!1);var menuRealWidth=subMenuContainer.outerWidth(),menuRealHeight=subMenuContainer.outerHeight(),margintop=null,marginright=null,marginleft=null;pos.top-$(window).scrollTop()+menuRealHeight>$(window).height()&&(margintop=menuRealHeight+heightmenuRoot,subMenuContainer.css("margin-top","-"+margintop+"px")),isRTL?pos.left-menuRealWidth<0&&(marginright=menuRealWidth-widthmenuRoot,subMenuContainer.css("margin-right","-"+marginright+"px")):pos.left+menuRealWidth>$(window).width()&&(marginleft=menuRealWidth-widthmenuRoot,subMenuContainer.css("margin-left","-"+marginleft+"px")),this.menuRoot.addClass("tool-lp-menu-open-left")},Menubar.prototype.handleKeyDown=function(item,e){if(e.altKey||e.ctrlKey)return!0;switch(e.keyCode){case this.keys.tab:this.menuRoot.find("ul").attr("aria-hidden","true"),this.allItems.removeClass("menu-focus"),this.activeItem=null,this.isChildOpen=!1;break;case this.keys.esc:var itemUL=item.parent();return itemUL.is(".tool-lp-menu")?item.children("ul").first().attr("aria-hidden","true"):(this.activeItem=itemUL.parent(),this.isChildOpen=!1,this.activeItem.focus(),itemUL.attr("aria-hidden","true")),e.stopPropagation(),!1;case this.keys.enter:case this.keys.space:return this.handleClick(item,e);case this.keys.left:return this.activeItem=this.moveToPrevious(item),this.activeItem.focus(),e.stopPropagation(),!1;case this.keys.right:return this.activeItem=this.moveToNext(item),this.activeItem.focus(),e.stopPropagation(),!1;case this.keys.up:return this.activeItem=this.moveUp(item),this.activeItem.focus(),e.stopPropagation(),!1;case this.keys.down:return this.activeItem=this.moveDown(item),this.activeItem.focus(),e.stopPropagation(),!1}return!0},Menubar.prototype.moveToNext=function(item){var itemUL=item.parent(),menuItems=itemUL.children("li"),menuNum=menuItems.length,menuIndex=menuItems.index(item),newItem=null,childMenu=null;if(itemUL.is(".tool-lp-menu"))newItem=menuIndex<menuNum-1?item.next():menuItems.first(),"true"==item.attr("aria-haspopup")&&"false"==(childMenu=item.children("ul").first()).attr("aria-hidden")&&(childMenu.attr("aria-hidden","true"),this.isChildOpen=!0),item.removeClass("menu-focus"),"true"===newItem.attr("aria-haspopup")&&!0===this.isChildOpen&&(childMenu=newItem.children("ul").first(),this.openSubMenu(childMenu));else if("true"==item.attr("aria-haspopup"))newItem=(childMenu=item.children("ul").first()).children("li").first(),this.openSubMenu(childMenu);else{var parentMenus=null,rootItem=null;(parentMenus=item.parentsUntil("ul.tool-lp-menu").filter("ul").not(".tool-lp-menu")).attr("aria-hidden","true"),parentMenus.find("li").removeClass("menu-focus"),parentMenus.last().parent().removeClass("menu-focus"),rootItem=parentMenus.last().parent(),(newItem=(menuIndex=this.rootMenus.index(rootItem))<this.rootMenus.length-1?rootItem.next():this.rootMenus.first()).addClass("menu-focus"),"true"==newItem.attr("aria-haspopup")&&(childMenu=newItem.children("ul").first(),newItem=childMenu.children("li").first(),this.openSubMenu(childMenu),this.isChildOpen=!0)}return newItem},Menubar.prototype.moveToPrevious=function(item){var itemUL=item.parent(),menuItems=itemUL.children("li"),menuIndex=menuItems.index(item),newItem=null,childMenu=null;if(itemUL.is(".tool-lp-menu"))newItem=menuIndex>0?item.prev():menuItems.last(),"true"==item.attr("aria-haspopup")&&"false"==(childMenu=item.children("ul").first()).attr("aria-hidden")&&(childMenu.attr("aria-hidden","true"),this.isChildOpen=!0),item.removeClass("menu-focus"),"true"===newItem.attr("aria-haspopup")&&!0===this.isChildOpen&&(childMenu=newItem.children("ul").first(),this.openSubMenu(childMenu));else{var parentLI=itemUL.parent();parentLI.parent().is(".tool-lp-menu")?(itemUL.attr("aria-hidden","true"),item.removeClass("menu-focus"),parentLI.removeClass("menu-focus"),(newItem=(menuIndex=this.rootMenus.index(parentLI))>0?parentLI.prev():this.rootMenus.last()).addClass("menu-focus"),"true"==newItem.attr("aria-haspopup")&&(childMenu=newItem.children("ul").first(),this.openSubMenu(childMenu),this.isChildOpen=!0,newItem=childMenu.children("li").first())):(newItem=itemUL.parent(),itemUL.attr("aria-hidden","true"),item.removeClass("menu-focus"))}return newItem},Menubar.prototype.moveDown=function(item,startChr){var itemUL=item.parent(),menuItems=itemUL.children("li").not(".separator"),menuNum=menuItems.length,menuIndex=menuItems.index(item),newItem=null,newItemUL=null;if(itemUL.is(".tool-lp-menu"))return"true"!=item.attr("aria-haspopup")?item:(newItem=(newItemUL=item.children("ul").first()).children("li").first(),this.openSubMenu(newItemUL),newItem);if(startChr){var match=!1,curNdx=menuIndex+1;for(curNdx==menuNum&&(curNdx=0);curNdx!=menuIndex;){if(menuItems.eq(curNdx).html().charAt(0).toLowerCase()==startChr){match=!0;break}(curNdx+=1)==menuNum&&(curNdx=0)}return!0===match?(newItem=menuItems.eq(curNdx),item.removeClass("menu-focus"),newItem):item}return newItem=menuIndex<menuNum-1?menuItems.eq(menuIndex+1):menuItems.first(),item.removeClass("menu-focus"),newItem},Menubar.prototype.moveUp=function(item){var itemUL=item.parent(),menuItems=itemUL.children("li").not(".separator"),menuIndex=menuItems.index(item),newItem=null;return itemUL.is(".tool-lp-menu")?item:(newItem=menuIndex>0?menuItems.eq(menuIndex-1):menuItems.last(),item.removeClass("menu-focus"),newItem)},Menubar.prototype.addAriaAttributes=function(){this.menuRoot.attr("role","menubar"),this.rootMenus.attr("role","menuitem"),this.rootMenus.attr("tabindex","0"),this.rootMenus.attr("aria-haspopup","true"),this.subMenus.attr("role","menu"),this.subMenus.attr("aria-hidden","true"),this.subMenuItems.attr("role","menuitem"),this.subMenuItems.attr("tabindex","-1"),this.menuRoot.addClass("tool-lp-menu"),this.allItems.addClass("tool-lp-menu-item"),this.rootMenus.addClass("tool-lp-root-menu"),this.subMenus.addClass("tool-lp-sub-menu"),this.subMenuItems.addClass("dropdown-item")},{enhance:function(selector,handler){$(selector).each((function(index,element){var menuRoot=$(element);!0!==menuRoot.data("menubarEnhanced")&&(new Menubar(menuRoot,handler),menuRoot.data("menubarEnhanced",!0))}))},closeAll:closeAllSubMenus}}));
+
+//# sourceMappingURL=menubar.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/menubar.min.js.map b/admin/tool/lp/amd/build/menubar.min.js.map
index 6c52abb42fa..d140865993e 100644
--- a/admin/tool/lp/amd/build/menubar.min.js.map
+++ b/admin/tool/lp/amd/build/menubar.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Aria menubar functionality. Enhances a simple nested list structure into a full aria widget.\n * Based on the open ajax example: http://oaa-accessibility.org/example/26/\n *\n * @module     tool_lp/menubar\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /** @property {boolean}  Flag to indicate if we have already registered a click event handler for the document. */\n    var documentClickHandlerRegistered = false;\n\n    /** @property {boolean} Flag to indicate whether there's an active, open menu. */\n    var menuActive = false;\n\n    /**\n     * Close all open submenus anywhere in the page (there should only ever be one open at a time).\n     *\n     * @method closeAllSubMenus\n     */\n    var closeAllSubMenus = function() {\n        $('.tool-lp-menu .tool-lp-sub-menu').attr('aria-hidden', 'true');\n        // Every menu's closed at this point, so set the menu active flag to false.\n        menuActive = false;\n    };\n\n    /**\n     * Constructor\n     *\n     * @param {$} menuRoot Jquery collection matching the root of the menu.\n     * @param {Function[]} handlers, called when a menu item is chosen.\n     */\n    var Menubar = function(menuRoot, handlers) {\n        // Setup private class variables.\n        this.menuRoot = menuRoot;\n        this.handlers = handlers;\n        this.rootMenus = this.menuRoot.children('li');\n        this.subMenus = this.rootMenus.children('ul');\n        this.subMenuItems = this.subMenus.children('li');\n        this.allItems = this.rootMenus.add(this.subMenuItems);\n        this.activeItem = null;\n        this.isChildOpen = false;\n\n        this.keys = {\n            tab:    9,\n            enter:  13,\n            esc:    27,\n            space:  32,\n            left:   37,\n            up:     38,\n            right:  39,\n            down:   40\n        };\n\n        this.addAriaAttributes();\n        // Add the event listeners.\n        this.addEventListeners();\n    };\n\n    /**\n     * Open a submenu, first it closes all other sub-menus and sets the open direction.\n     * @method openSubMenu\n     * @param {Node} menu\n     */\n    Menubar.prototype.openSubMenu = function(menu) {\n        this.setOpenDirection();\n        closeAllSubMenus();\n        menu.attr('aria-hidden', 'false');\n        // Set menu active flag to true when a menu is opened.\n        menuActive = true;\n    };\n\n\n    /**\n     * Bind the event listeners to the DOM\n     * @method addEventListeners\n     */\n    Menubar.prototype.addEventListeners = function() {\n        var currentThis = this;\n\n        // When clicking outside the menubar.\n        if (documentClickHandlerRegistered === false) {\n            $(document).click(function() {\n                // Check if a menu is opened.\n                if (menuActive) {\n                    // Close menu.\n                    closeAllSubMenus();\n                }\n            });\n            // Set this flag to true so that we won't need to add a document click handler for the other Menubar instances.\n            documentClickHandlerRegistered = true;\n        }\n\n        // Hovers.\n        this.subMenuItems.mouseenter(function() {\n            $(this).addClass('menu-hover');\n            return true;\n        });\n\n        this.subMenuItems.mouseout(function() {\n            $(this).removeClass('menu-hover');\n            return true;\n        });\n\n        // Mouse listeners.\n        this.allItems.click(function(e) {\n            return currentThis.handleClick($(this), e);\n        });\n\n        // Key listeners.\n        this.allItems.keydown(function(e) {\n            return currentThis.handleKeyDown($(this), e);\n        });\n\n        this.allItems.focus(function() {\n            return currentThis.handleFocus($(this));\n        });\n\n        this.allItems.blur(function() {\n            return currentThis.handleBlur($(this));\n        });\n    };\n\n    /**\n     * Process click events for the top menus.\n     *\n     * @method handleClick\n     * @param {Object} item is the jquery object of the item firing the event\n     * @param {Event} e is the associated event object\n     * @return {boolean} Returns false\n     */\n    Menubar.prototype.handleClick = function(item, e) {\n        e.stopPropagation();\n\n        var parentUL = item.parent();\n\n        if (parentUL.is('.tool-lp-menu')) {\n            // Toggle the child menu open/closed.\n            if (item.children('ul').first().attr('aria-hidden') == 'true') {\n                this.openSubMenu(item.children('ul').first());\n            } else {\n                item.children('ul').first().attr('aria-hidden', 'true');\n            }\n        } else {\n            // Remove hover and focus styling.\n            this.allItems.removeClass('menu-hover menu-focus');\n\n            // Clear the active item.\n            this.activeItem = null;\n\n            // Close the menu.\n            this.menuRoot.find('ul').not('.root-level').attr('aria-hidden', 'true');\n            // Follow any link, or call the click handlers.\n            var anchor = item.find('a').first();\n            var clickEvent = new $.Event('click');\n            clickEvent.target = anchor;\n            var eventHandled = false;\n            if (this.handlers) {\n                $.each(this.handlers, function(selector, handler) {\n                    if (eventHandled) {\n                        return;\n                    }\n                    if (item.find(selector).length > 0) {\n                        var callable = $.proxy(handler, anchor);\n                        // False means stop propogatting events.\n                        eventHandled = (callable(clickEvent) === false) || clickEvent.isDefaultPrevented();\n                    }\n                });\n            }\n            // If we didn't find a handler, and the HREF is # that probably means that\n            // we are handling it from somewhere else. Let's just do nothing in that case.\n            if (!eventHandled && anchor.attr('href') !== '#') {\n                window.location.href = anchor.attr('href');\n            }\n        }\n        return false;\n    };\n\n    /*\n     * Process focus events for the menu.\n     *\n     * @method handleFocus\n     * @param {Object} item is the jquery object of the item firing the event\n     * @return boolean Returns false\n     */\n    Menubar.prototype.handleFocus = function(item) {\n\n        // If activeItem is null, we are getting focus from outside the menu. Store\n        // the item that triggered the event.\n        if (this.activeItem === null) {\n            this.activeItem = item;\n        } else if (item[0] != this.activeItem[0]) {\n            return true;\n        }\n\n        // Get the set of jquery objects for all the parent items of the active item.\n        var parentItems = this.activeItem.parentsUntil('ul.tool-lp-menu').filter('li');\n\n        // Remove focus styling from all other menu items.\n        this.allItems.removeClass('menu-focus');\n\n        // Add focus styling to the active item.\n        this.activeItem.addClass('menu-focus');\n\n        // Add focus styling to all parent items.\n        parentItems.addClass('menu-focus');\n\n        // If the bChildOpen flag has been set, open the active item's child menu (if applicable).\n        if (this.isChildOpen === true) {\n\n            var itemUL = item.parent();\n\n            // If the itemUL is a root-level menu and item is a parent item,\n            // show the child menu.\n            if (itemUL.is('.tool-lp-menu') && (item.attr('aria-haspopup') == 'true')) {\n                this.openSubMenu(item.children('ul').first());\n            }\n        }\n\n        return true;\n    };\n\n    /*\n     * Process blur events for the menu.\n     *\n     * @method handleBlur\n     * @param {Object} item is the jquery object of the item firing the event\n     * @return boolean Returns false\n     */\n    Menubar.prototype.handleBlur = function(item) {\n        item.removeClass('menu-focus');\n\n        return true;\n    };\n\n    /*\n     * Determine if the menu should open to the left, or the right,\n     * based on the screen size and menu position.\n     * @method setOpenDirection\n     */\n    Menubar.prototype.setOpenDirection = function() {\n        var pos = this.menuRoot.offset();\n        var isRTL = $(document.body).hasClass('dir-rtl');\n        var openLeft = true;\n        var heightmenuRoot = this.rootMenus.outerHeight();\n        var widthmenuRoot = this.rootMenus.outerWidth();\n        // Sometimes the menuMinWidth is not enough to figure out if menu exceeds the window width.\n        // So we have to calculate the real menu width.\n        var subMenuContainer = this.rootMenus.find('ul.tool-lp-sub-menu');\n\n        // Reset margins.\n        subMenuContainer.css('margin-right', '');\n        subMenuContainer.css('margin-left', '');\n        subMenuContainer.css('margin-top', '');\n\n        subMenuContainer.attr('aria-hidden', false);\n        var menuRealWidth = subMenuContainer.outerWidth(),\n            menuRealHeight = subMenuContainer.outerHeight();\n\n        var margintop = null,\n            marginright = null,\n            marginleft = null;\n        var top = pos.top - $(window).scrollTop();\n        // Top is the same for RTL and LTR.\n        if (top + menuRealHeight > $(window).height()) {\n            margintop = menuRealHeight + heightmenuRoot;\n            subMenuContainer.css('margin-top', '-' + margintop + 'px');\n        }\n\n        if (isRTL) {\n            if (pos.left - menuRealWidth < 0) {\n                marginright = menuRealWidth - widthmenuRoot;\n                subMenuContainer.css('margin-right', '-' + marginright + 'px');\n            }\n        } else {\n            if (pos.left + menuRealWidth > $(window).width()) {\n                marginleft = menuRealWidth - widthmenuRoot;\n                subMenuContainer.css('margin-left', '-' + marginleft + 'px');\n            }\n        }\n\n        if (openLeft) {\n            this.menuRoot.addClass('tool-lp-menu-open-left');\n        } else {\n            this.menuRoot.removeClass('tool-lp-menu-open-left');\n        }\n\n    };\n\n    /*\n     * Process keyDown events for the menu.\n     *\n     * @method handleKeyDown\n     * @param {Object} item is the jquery object of the item firing the event\n     * @param {Event} e is the associated event object\n     * @return boolean Returns false if consuming the event\n     */\n    Menubar.prototype.handleKeyDown = function(item, e) {\n\n        if (e.altKey || e.ctrlKey) {\n            // Modifier key pressed: Do not process.\n            return true;\n        }\n\n        switch (e.keyCode) {\n            case this.keys.tab: {\n\n                // Hide all menu items and update their aria attributes.\n                this.menuRoot.find('ul').attr('aria-hidden', 'true');\n\n                // Remove focus styling from all menu items.\n                this.allItems.removeClass('menu-focus');\n\n                this.activeItem = null;\n\n                this.isChildOpen = false;\n\n                break;\n            }\n            case this.keys.esc: {\n                var itemUL = item.parent();\n\n                if (itemUL.is('.tool-lp-menu')) {\n                    // Hide the child menu and update the aria attributes.\n                    item.children('ul').first().attr('aria-hidden', 'true');\n                } else {\n\n                    // Move up one level.\n                    this.activeItem = itemUL.parent();\n\n                    // Reset the isChildOpen flag.\n                    this.isChildOpen = false;\n\n                    // Set focus on the new item.\n                    this.activeItem.focus();\n\n                    // Hide the active menu and update the aria attributes.\n                    itemUL.attr('aria-hidden', 'true');\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.enter:\n            case this.keys.space: {\n                // Trigger click handler.\n                return this.handleClick(item, e);\n            }\n\n            case this.keys.left: {\n\n                this.activeItem = this.moveToPrevious(item);\n\n                this.activeItem.focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.right: {\n\n                this.activeItem = this.moveToNext(item);\n\n                this.activeItem.focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.up: {\n\n                this.activeItem = this.moveUp(item);\n\n                this.activeItem.focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.down: {\n\n                this.activeItem = this.moveDown(item);\n\n                this.activeItem.focus();\n\n                e.stopPropagation();\n                return false;\n            }\n        }\n\n        return true;\n\n    };\n\n\n    /**\n     * Move to the next menu level.\n     * This will be either the next root-level menu or the child of a menu parent. If\n     * at the root level and the active item is the last in the menu, this function will loop\n     * to the first menu item.\n     *\n     * If the menu is a horizontal menu, the first child element of the newly selected menu will\n     * be selected\n     *\n     * @method moveToNext\n     * @param {Object} item is the active menu item\n     * @return {Object} Returns the item to move to. Returns item is no move is possible\n     */\n    Menubar.prototype.moveToNext = function(item) {\n        // Item's containing menu.\n        var itemUL = item.parent();\n\n        // The items in the currently active menu.\n        var menuItems = itemUL.children('li');\n\n        // The number of items in the active menu.\n        var menuNum = menuItems.length;\n        // The items index in its menu.\n        var menuIndex = menuItems.index(item);\n        var newItem = null;\n        var childMenu = null;\n\n        if (itemUL.is('.tool-lp-menu')) {\n            // This is the root level move to next sibling. This will require closing\n            // the current child menu and opening the new one.\n\n            if (menuIndex < menuNum - 1) {\n                // Not the last root menu.\n                newItem = item.next();\n            } else { // Wrap to first item.\n                newItem = menuItems.first();\n            }\n\n            // Close the current child menu (if applicable).\n            if (item.attr('aria-haspopup') == 'true') {\n\n                childMenu = item.children('ul').first();\n\n                if (childMenu.attr('aria-hidden') == 'false') {\n                    // Update the child menu's aria-hidden attribute.\n                    childMenu.attr('aria-hidden', 'true');\n                    this.isChildOpen = true;\n                }\n            }\n\n            // Remove the focus styling from the current menu.\n            item.removeClass('menu-focus');\n\n            // Open the new child menu (if applicable).\n            if ((newItem.attr('aria-haspopup') === 'true') && (this.isChildOpen === true)) {\n\n                childMenu = newItem.children('ul').first();\n\n                // Update the child's aria-hidden attribute.\n                this.openSubMenu(childMenu);\n            }\n        } else {\n            // This is not the root level. If there is a child menu to be moved into, do that;\n            // otherwise, move to the next root-level menu if there is one.\n            if (item.attr('aria-haspopup') == 'true') {\n\n                childMenu = item.children('ul').first();\n\n                newItem = childMenu.children('li').first();\n\n                // Show the child menu and update its aria attributes.\n                this.openSubMenu(childMenu);\n            } else {\n                // At deepest level, move to the next root-level menu.\n\n                var parentMenus = null;\n                var rootItem = null;\n\n                // Get list of all parent menus for item, up to the root level.\n                parentMenus = item.parentsUntil('ul.tool-lp-menu').filter('ul').not('.tool-lp-menu');\n\n                // Hide the current menu and update its aria attributes accordingly.\n                parentMenus.attr('aria-hidden', 'true');\n\n                // Remove the focus styling from the active menu.\n                parentMenus.find('li').removeClass('menu-focus');\n                parentMenus.last().parent().removeClass('menu-focus');\n\n                // The containing root for the menu.\n                rootItem = parentMenus.last().parent();\n\n                menuIndex = this.rootMenus.index(rootItem);\n\n                // If this is not the last root menu item, move to the next one.\n                if (menuIndex < this.rootMenus.length - 1) {\n                    newItem = rootItem.next();\n                } else {\n                    // Loop.\n                    newItem = this.rootMenus.first();\n                }\n\n                // Add the focus styling to the new menu.\n                newItem.addClass('menu-focus');\n\n                if (newItem.attr('aria-haspopup') == 'true') {\n                    childMenu = newItem.children('ul').first();\n\n                    newItem = childMenu.children('li').first();\n\n                    // Show the child menu and update it's aria attributes.\n                    this.openSubMenu(childMenu);\n                    this.isChildOpen = true;\n                }\n            }\n        }\n\n        return newItem;\n    };\n\n    /**\n     * Member function to move to the previous menu level.\n     * This will be either the previous root-level menu or the child of a menu parent. If\n     * at the root level and the active item is the first in the menu, this function will loop\n     * to the last menu item.\n     *\n     * If the menu is a horizontal menu, the first child element of the newly selected menu will\n     * be selected\n     *\n     * @method moveToPrevious\n     * @param {Object} item is the active menu item\n     * @return {Object} Returns the item to move to. Returns item is no move is possible\n     */\n    Menubar.prototype.moveToPrevious = function(item) {\n        // Item's containing menu.\n        var itemUL = item.parent();\n        // The items in the currently active menu.\n        var menuItems = itemUL.children('li');\n        // The items index in its menu.\n        var menuIndex = menuItems.index(item);\n        var newItem = null;\n        var childMenu = null;\n\n        if (itemUL.is('.tool-lp-menu')) {\n            // This is the root level move to previous sibling. This will require closing\n            // the current child menu and opening the new one.\n\n            if (menuIndex > 0) {\n                // Not the first root menu.\n                newItem = item.prev();\n            } else {\n                // Wrap to last item.\n                newItem = menuItems.last();\n            }\n\n            // Close the current child menu (if applicable).\n            if (item.attr('aria-haspopup') == 'true') {\n                childMenu = item.children('ul').first();\n\n                if (childMenu.attr('aria-hidden') == 'false') {\n                    // Update the child menu's aria-hidden attribute.\n                    childMenu.attr('aria-hidden', 'true');\n                    this.isChildOpen = true;\n                }\n            }\n\n            // Remove the focus styling from the current menu.\n            item.removeClass('menu-focus');\n\n            // Open the new child menu (if applicable).\n            if ((newItem.attr('aria-haspopup') === 'true') && (this.isChildOpen === true)) {\n\n                childMenu = newItem.children('ul').first();\n\n                // Update the child's aria-hidden attribute.\n                this.openSubMenu(childMenu);\n\n            }\n        } else {\n            // This is not the root level. If there is a parent menu that is not the\n            // root menu, move up one level; otherwise, move to first item of the previous\n            // root menu.\n\n            var parentLI = itemUL.parent();\n            var parentUL = parentLI.parent();\n\n            // If this is a vertical menu or is not the first child menu\n            // of the root-level menu, move up one level.\n            if (!parentUL.is('.tool-lp-menu')) {\n\n                newItem = itemUL.parent();\n\n                // Hide the active menu and update aria-hidden.\n                itemUL.attr('aria-hidden', 'true');\n\n                // Remove the focus highlight from the item.\n                item.removeClass('menu-focus');\n\n            } else {\n                // Move to previous root-level menu.\n\n                // Hide the current menu and update the aria attributes accordingly.\n                itemUL.attr('aria-hidden', 'true');\n\n                // Remove the focus styling from the active menu.\n                item.removeClass('menu-focus');\n                parentLI.removeClass('menu-focus');\n\n                menuIndex = this.rootMenus.index(parentLI);\n\n                if (menuIndex > 0) {\n                    // Move to the previous root-level menu.\n                    newItem = parentLI.prev();\n                } else {\n                    // Loop to last root-level menu.\n                    newItem = this.rootMenus.last();\n                }\n\n                // Add the focus styling to the new menu.\n                newItem.addClass('menu-focus');\n\n                if (newItem.attr('aria-haspopup') == 'true') {\n                    childMenu = newItem.children('ul').first();\n\n                    // Show the child menu and update it's aria attributes.\n                    this.openSubMenu(childMenu);\n                    this.isChildOpen = true;\n\n                    newItem = childMenu.children('li').first();\n                }\n            }\n        }\n\n        return newItem;\n    };\n\n    /**\n     * Member function to select the next item in a menu.\n     * If the active item is the last in the menu, this function will loop to the\n     * first menu item.\n     *\n     * @method moveDown\n     * @param {Object} item is the active menu item\n     * @param {String} startChr is the character to attempt to match against the beginning of the\n     *                          menu item titles. If found, focus moves to the next menu item beginning with that character.\n     * @return {Object} Returns the item to move to. Returns item is no move is possible\n     */\n    Menubar.prototype.moveDown = function(item, startChr) {\n        // Item's containing menu.\n        var itemUL = item.parent();\n        // The items in the currently active menu.\n        var menuItems = itemUL.children('li').not('.separator');\n        // The number of items in the active menu.\n        var menuNum = menuItems.length;\n        // The items index in its menu.\n        var menuIndex = menuItems.index(item);\n        var newItem = null;\n        var newItemUL = null;\n\n        if (itemUL.is('.tool-lp-menu')) {\n            // This is the root level menu.\n\n            if (item.attr('aria-haspopup') != 'true') {\n                // No child menu to move to.\n                return item;\n            }\n\n            // Move to the first item in the child menu.\n            newItemUL = item.children('ul').first();\n            newItem = newItemUL.children('li').first();\n\n            // Make sure the child menu is visible.\n            this.openSubMenu(newItemUL);\n\n            return newItem;\n        }\n\n        // If $item is not the last item in its menu, move to the next item. If startChr is specified, move\n        // to the next item with a title that begins with that character.\n        if (startChr) {\n            var match = false;\n            var curNdx = menuIndex + 1;\n\n            // Check if the active item was the last one on the list.\n            if (curNdx == menuNum) {\n                curNdx = 0;\n            }\n\n            // Iterate through the menu items (starting from the current item and wrapping) until a match is found\n            // or the loop returns to the current menu item.\n            while (curNdx != menuIndex) {\n\n                var titleChr = menuItems.eq(curNdx).html().charAt(0);\n\n                if (titleChr.toLowerCase() == startChr) {\n                    match = true;\n                    break;\n                }\n\n                curNdx = curNdx + 1;\n\n                if (curNdx == menuNum) {\n                    // Reached the end of the list, start again at the beginning.\n                    curNdx = 0;\n                }\n            }\n\n            if (match === true) {\n                newItem = menuItems.eq(curNdx);\n\n                // Remove the focus styling from the current item.\n                item.removeClass('menu-focus');\n\n                return newItem;\n            } else {\n                return item;\n            }\n        } else {\n            if (menuIndex < menuNum - 1) {\n                newItem = menuItems.eq(menuIndex + 1);\n            } else {\n                newItem = menuItems.first();\n            }\n        }\n\n        // Remove the focus styling from the current item.\n        item.removeClass('menu-focus');\n\n        return newItem;\n    };\n\n    /**\n     * Function moveUp() is a member function to select the previous item in a menu.\n     * If the active item is the first in the menu, this function will loop to the\n     * last menu item.\n     *\n     * @method moveUp\n     * @param {Object} item is the active menu item\n     * @return {Object} Returns the item to move to. Returns item is no move is possible\n     */\n    Menubar.prototype.moveUp = function(item) {\n        // Item's containing menu.\n        var itemUL = item.parent();\n        // The items in the currently active menu.\n        var menuItems = itemUL.children('li').not('.separator');\n        // The items index in its menu.\n        var menuIndex = menuItems.index(item);\n        var newItem = null;\n\n        if (itemUL.is('.tool-lp-menu')) {\n            // This is the root level menu.\n            // Nothing to do.\n            return item;\n        }\n\n        // If item is not the first item in its menu, move to the previous item.\n        if (menuIndex > 0) {\n            newItem = menuItems.eq(menuIndex - 1);\n        } else {\n            // Loop to top of menu.\n            newItem = menuItems.last();\n        }\n\n        // Remove the focus styling from the current item.\n        item.removeClass('menu-focus');\n\n        return newItem;\n    };\n\n    /**\n     * Enhance the dom with aria attributes.\n     * @method addAriaAttributes\n     */\n    Menubar.prototype.addAriaAttributes = function() {\n        this.menuRoot.attr('role', 'menubar');\n        this.rootMenus.attr('role', 'menuitem');\n        this.rootMenus.attr('tabindex', '0');\n        this.rootMenus.attr('aria-haspopup', 'true');\n        this.subMenus.attr('role', 'menu');\n        this.subMenus.attr('aria-hidden', 'true');\n        this.subMenuItems.attr('role', 'menuitem');\n        this.subMenuItems.attr('tabindex', '-1');\n\n        // For CSS styling and effects.\n        this.menuRoot.addClass('tool-lp-menu');\n        this.allItems.addClass('tool-lp-menu-item');\n        this.rootMenus.addClass('tool-lp-root-menu');\n        this.subMenus.addClass('tool-lp-sub-menu');\n        this.subMenuItems.addClass('dropdown-item');\n    };\n\n    return /** @alias module:tool_lp/menubar */ {\n        /**\n         * Create a menu bar object for every node matching the selector.\n         *\n         * The expected DOM structure is shown below.\n         * <ul> <- This is the target of the selector parameter.\n         *   <li> <- This is repeated for each top level menu.\n         *      Text <- This is the text for the top level menu.\n         *      <ul> <- This is a list of the entries in this top level menu.\n         *         <li> <- This is repeated for each menu entry.\n         *            <a href=\"someurl\">Choice 1</a> <- The anchor for the menu.\n         *         </li>\n         *      </ul>\n         *   </li>\n         * </ul>\n         *\n         * @method enhance\n         * @param {String} selector - The selector for the outer most menu node.\n         * @param {Function} handler - Javascript handler for when a menu item was chosen. If the\n         *                             handler returns true (or does not exist), the\n         *                             menu will look for an anchor with a link to follow.\n         *                             For example, if the menu entry has a \"data-action\" attribute\n         *                             and we want to call a javascript function when that entry is chosen,\n         *                             we could pass a list of handlers like this:\n         *                             { \"[data-action='add']\" : callAddFunction }\n         */\n        enhance: function(selector, handler) {\n            $(selector).each(function(index, element) {\n                var menuRoot = $(element);\n                // Don't enhance the same menu twice.\n                if (menuRoot.data(\"menubarEnhanced\") !== true) {\n                    (new Menubar(menuRoot, handler));\n                    menuRoot.data(\"menubarEnhanced\", true);\n                }\n            });\n        },\n\n        /**\n         * Handy function to close all open menus anywhere on the page.\n         * @method closeAll\n         */\n        closeAll: closeAllSubMenus\n    };\n});\n"],"file":"menubar.min.js"}
\ No newline at end of file
+{"version":3,"file":"menubar.min.js","sources":["../src/menubar.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Aria menubar functionality. Enhances a simple nested list structure into a full aria widget.\n * Based on the open ajax example: http://oaa-accessibility.org/example/26/\n *\n * @module     tool_lp/menubar\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /** @property {boolean}  Flag to indicate if we have already registered a click event handler for the document. */\n    var documentClickHandlerRegistered = false;\n\n    /** @property {boolean} Flag to indicate whether there's an active, open menu. */\n    var menuActive = false;\n\n    /**\n     * Close all open submenus anywhere in the page (there should only ever be one open at a time).\n     *\n     * @method closeAllSubMenus\n     */\n    var closeAllSubMenus = function() {\n        $('.tool-lp-menu .tool-lp-sub-menu').attr('aria-hidden', 'true');\n        // Every menu's closed at this point, so set the menu active flag to false.\n        menuActive = false;\n    };\n\n    /**\n     * Constructor\n     *\n     * @param {$} menuRoot Jquery collection matching the root of the menu.\n     * @param {Function[]} handlers, called when a menu item is chosen.\n     */\n    var Menubar = function(menuRoot, handlers) {\n        // Setup private class variables.\n        this.menuRoot = menuRoot;\n        this.handlers = handlers;\n        this.rootMenus = this.menuRoot.children('li');\n        this.subMenus = this.rootMenus.children('ul');\n        this.subMenuItems = this.subMenus.children('li');\n        this.allItems = this.rootMenus.add(this.subMenuItems);\n        this.activeItem = null;\n        this.isChildOpen = false;\n\n        this.keys = {\n            tab:    9,\n            enter:  13,\n            esc:    27,\n            space:  32,\n            left:   37,\n            up:     38,\n            right:  39,\n            down:   40\n        };\n\n        this.addAriaAttributes();\n        // Add the event listeners.\n        this.addEventListeners();\n    };\n\n    /**\n     * Open a submenu, first it closes all other sub-menus and sets the open direction.\n     * @method openSubMenu\n     * @param {Node} menu\n     */\n    Menubar.prototype.openSubMenu = function(menu) {\n        this.setOpenDirection();\n        closeAllSubMenus();\n        menu.attr('aria-hidden', 'false');\n        // Set menu active flag to true when a menu is opened.\n        menuActive = true;\n    };\n\n\n    /**\n     * Bind the event listeners to the DOM\n     * @method addEventListeners\n     */\n    Menubar.prototype.addEventListeners = function() {\n        var currentThis = this;\n\n        // When clicking outside the menubar.\n        if (documentClickHandlerRegistered === false) {\n            $(document).click(function() {\n                // Check if a menu is opened.\n                if (menuActive) {\n                    // Close menu.\n                    closeAllSubMenus();\n                }\n            });\n            // Set this flag to true so that we won't need to add a document click handler for the other Menubar instances.\n            documentClickHandlerRegistered = true;\n        }\n\n        // Hovers.\n        this.subMenuItems.mouseenter(function() {\n            $(this).addClass('menu-hover');\n            return true;\n        });\n\n        this.subMenuItems.mouseout(function() {\n            $(this).removeClass('menu-hover');\n            return true;\n        });\n\n        // Mouse listeners.\n        this.allItems.click(function(e) {\n            return currentThis.handleClick($(this), e);\n        });\n\n        // Key listeners.\n        this.allItems.keydown(function(e) {\n            return currentThis.handleKeyDown($(this), e);\n        });\n\n        this.allItems.focus(function() {\n            return currentThis.handleFocus($(this));\n        });\n\n        this.allItems.blur(function() {\n            return currentThis.handleBlur($(this));\n        });\n    };\n\n    /**\n     * Process click events for the top menus.\n     *\n     * @method handleClick\n     * @param {Object} item is the jquery object of the item firing the event\n     * @param {Event} e is the associated event object\n     * @return {boolean} Returns false\n     */\n    Menubar.prototype.handleClick = function(item, e) {\n        e.stopPropagation();\n\n        var parentUL = item.parent();\n\n        if (parentUL.is('.tool-lp-menu')) {\n            // Toggle the child menu open/closed.\n            if (item.children('ul').first().attr('aria-hidden') == 'true') {\n                this.openSubMenu(item.children('ul').first());\n            } else {\n                item.children('ul').first().attr('aria-hidden', 'true');\n            }\n        } else {\n            // Remove hover and focus styling.\n            this.allItems.removeClass('menu-hover menu-focus');\n\n            // Clear the active item.\n            this.activeItem = null;\n\n            // Close the menu.\n            this.menuRoot.find('ul').not('.root-level').attr('aria-hidden', 'true');\n            // Follow any link, or call the click handlers.\n            var anchor = item.find('a').first();\n            var clickEvent = new $.Event('click');\n            clickEvent.target = anchor;\n            var eventHandled = false;\n            if (this.handlers) {\n                $.each(this.handlers, function(selector, handler) {\n                    if (eventHandled) {\n                        return;\n                    }\n                    if (item.find(selector).length > 0) {\n                        var callable = $.proxy(handler, anchor);\n                        // False means stop propogatting events.\n                        eventHandled = (callable(clickEvent) === false) || clickEvent.isDefaultPrevented();\n                    }\n                });\n            }\n            // If we didn't find a handler, and the HREF is # that probably means that\n            // we are handling it from somewhere else. Let's just do nothing in that case.\n            if (!eventHandled && anchor.attr('href') !== '#') {\n                window.location.href = anchor.attr('href');\n            }\n        }\n        return false;\n    };\n\n    /*\n     * Process focus events for the menu.\n     *\n     * @method handleFocus\n     * @param {Object} item is the jquery object of the item firing the event\n     * @return boolean Returns false\n     */\n    Menubar.prototype.handleFocus = function(item) {\n\n        // If activeItem is null, we are getting focus from outside the menu. Store\n        // the item that triggered the event.\n        if (this.activeItem === null) {\n            this.activeItem = item;\n        } else if (item[0] != this.activeItem[0]) {\n            return true;\n        }\n\n        // Get the set of jquery objects for all the parent items of the active item.\n        var parentItems = this.activeItem.parentsUntil('ul.tool-lp-menu').filter('li');\n\n        // Remove focus styling from all other menu items.\n        this.allItems.removeClass('menu-focus');\n\n        // Add focus styling to the active item.\n        this.activeItem.addClass('menu-focus');\n\n        // Add focus styling to all parent items.\n        parentItems.addClass('menu-focus');\n\n        // If the bChildOpen flag has been set, open the active item's child menu (if applicable).\n        if (this.isChildOpen === true) {\n\n            var itemUL = item.parent();\n\n            // If the itemUL is a root-level menu and item is a parent item,\n            // show the child menu.\n            if (itemUL.is('.tool-lp-menu') && (item.attr('aria-haspopup') == 'true')) {\n                this.openSubMenu(item.children('ul').first());\n            }\n        }\n\n        return true;\n    };\n\n    /*\n     * Process blur events for the menu.\n     *\n     * @method handleBlur\n     * @param {Object} item is the jquery object of the item firing the event\n     * @return boolean Returns false\n     */\n    Menubar.prototype.handleBlur = function(item) {\n        item.removeClass('menu-focus');\n\n        return true;\n    };\n\n    /*\n     * Determine if the menu should open to the left, or the right,\n     * based on the screen size and menu position.\n     * @method setOpenDirection\n     */\n    Menubar.prototype.setOpenDirection = function() {\n        var pos = this.menuRoot.offset();\n        var isRTL = $(document.body).hasClass('dir-rtl');\n        var openLeft = true;\n        var heightmenuRoot = this.rootMenus.outerHeight();\n        var widthmenuRoot = this.rootMenus.outerWidth();\n        // Sometimes the menuMinWidth is not enough to figure out if menu exceeds the window width.\n        // So we have to calculate the real menu width.\n        var subMenuContainer = this.rootMenus.find('ul.tool-lp-sub-menu');\n\n        // Reset margins.\n        subMenuContainer.css('margin-right', '');\n        subMenuContainer.css('margin-left', '');\n        subMenuContainer.css('margin-top', '');\n\n        subMenuContainer.attr('aria-hidden', false);\n        var menuRealWidth = subMenuContainer.outerWidth(),\n            menuRealHeight = subMenuContainer.outerHeight();\n\n        var margintop = null,\n            marginright = null,\n            marginleft = null;\n        var top = pos.top - $(window).scrollTop();\n        // Top is the same for RTL and LTR.\n        if (top + menuRealHeight > $(window).height()) {\n            margintop = menuRealHeight + heightmenuRoot;\n            subMenuContainer.css('margin-top', '-' + margintop + 'px');\n        }\n\n        if (isRTL) {\n            if (pos.left - menuRealWidth < 0) {\n                marginright = menuRealWidth - widthmenuRoot;\n                subMenuContainer.css('margin-right', '-' + marginright + 'px');\n            }\n        } else {\n            if (pos.left + menuRealWidth > $(window).width()) {\n                marginleft = menuRealWidth - widthmenuRoot;\n                subMenuContainer.css('margin-left', '-' + marginleft + 'px');\n            }\n        }\n\n        if (openLeft) {\n            this.menuRoot.addClass('tool-lp-menu-open-left');\n        } else {\n            this.menuRoot.removeClass('tool-lp-menu-open-left');\n        }\n\n    };\n\n    /*\n     * Process keyDown events for the menu.\n     *\n     * @method handleKeyDown\n     * @param {Object} item is the jquery object of the item firing the event\n     * @param {Event} e is the associated event object\n     * @return boolean Returns false if consuming the event\n     */\n    Menubar.prototype.handleKeyDown = function(item, e) {\n\n        if (e.altKey || e.ctrlKey) {\n            // Modifier key pressed: Do not process.\n            return true;\n        }\n\n        switch (e.keyCode) {\n            case this.keys.tab: {\n\n                // Hide all menu items and update their aria attributes.\n                this.menuRoot.find('ul').attr('aria-hidden', 'true');\n\n                // Remove focus styling from all menu items.\n                this.allItems.removeClass('menu-focus');\n\n                this.activeItem = null;\n\n                this.isChildOpen = false;\n\n                break;\n            }\n            case this.keys.esc: {\n                var itemUL = item.parent();\n\n                if (itemUL.is('.tool-lp-menu')) {\n                    // Hide the child menu and update the aria attributes.\n                    item.children('ul').first().attr('aria-hidden', 'true');\n                } else {\n\n                    // Move up one level.\n                    this.activeItem = itemUL.parent();\n\n                    // Reset the isChildOpen flag.\n                    this.isChildOpen = false;\n\n                    // Set focus on the new item.\n                    this.activeItem.focus();\n\n                    // Hide the active menu and update the aria attributes.\n                    itemUL.attr('aria-hidden', 'true');\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.enter:\n            case this.keys.space: {\n                // Trigger click handler.\n                return this.handleClick(item, e);\n            }\n\n            case this.keys.left: {\n\n                this.activeItem = this.moveToPrevious(item);\n\n                this.activeItem.focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.right: {\n\n                this.activeItem = this.moveToNext(item);\n\n                this.activeItem.focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.up: {\n\n                this.activeItem = this.moveUp(item);\n\n                this.activeItem.focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.down: {\n\n                this.activeItem = this.moveDown(item);\n\n                this.activeItem.focus();\n\n                e.stopPropagation();\n                return false;\n            }\n        }\n\n        return true;\n\n    };\n\n\n    /**\n     * Move to the next menu level.\n     * This will be either the next root-level menu or the child of a menu parent. If\n     * at the root level and the active item is the last in the menu, this function will loop\n     * to the first menu item.\n     *\n     * If the menu is a horizontal menu, the first child element of the newly selected menu will\n     * be selected\n     *\n     * @method moveToNext\n     * @param {Object} item is the active menu item\n     * @return {Object} Returns the item to move to. Returns item is no move is possible\n     */\n    Menubar.prototype.moveToNext = function(item) {\n        // Item's containing menu.\n        var itemUL = item.parent();\n\n        // The items in the currently active menu.\n        var menuItems = itemUL.children('li');\n\n        // The number of items in the active menu.\n        var menuNum = menuItems.length;\n        // The items index in its menu.\n        var menuIndex = menuItems.index(item);\n        var newItem = null;\n        var childMenu = null;\n\n        if (itemUL.is('.tool-lp-menu')) {\n            // This is the root level move to next sibling. This will require closing\n            // the current child menu and opening the new one.\n\n            if (menuIndex < menuNum - 1) {\n                // Not the last root menu.\n                newItem = item.next();\n            } else { // Wrap to first item.\n                newItem = menuItems.first();\n            }\n\n            // Close the current child menu (if applicable).\n            if (item.attr('aria-haspopup') == 'true') {\n\n                childMenu = item.children('ul').first();\n\n                if (childMenu.attr('aria-hidden') == 'false') {\n                    // Update the child menu's aria-hidden attribute.\n                    childMenu.attr('aria-hidden', 'true');\n                    this.isChildOpen = true;\n                }\n            }\n\n            // Remove the focus styling from the current menu.\n            item.removeClass('menu-focus');\n\n            // Open the new child menu (if applicable).\n            if ((newItem.attr('aria-haspopup') === 'true') && (this.isChildOpen === true)) {\n\n                childMenu = newItem.children('ul').first();\n\n                // Update the child's aria-hidden attribute.\n                this.openSubMenu(childMenu);\n            }\n        } else {\n            // This is not the root level. If there is a child menu to be moved into, do that;\n            // otherwise, move to the next root-level menu if there is one.\n            if (item.attr('aria-haspopup') == 'true') {\n\n                childMenu = item.children('ul').first();\n\n                newItem = childMenu.children('li').first();\n\n                // Show the child menu and update its aria attributes.\n                this.openSubMenu(childMenu);\n            } else {\n                // At deepest level, move to the next root-level menu.\n\n                var parentMenus = null;\n                var rootItem = null;\n\n                // Get list of all parent menus for item, up to the root level.\n                parentMenus = item.parentsUntil('ul.tool-lp-menu').filter('ul').not('.tool-lp-menu');\n\n                // Hide the current menu and update its aria attributes accordingly.\n                parentMenus.attr('aria-hidden', 'true');\n\n                // Remove the focus styling from the active menu.\n                parentMenus.find('li').removeClass('menu-focus');\n                parentMenus.last().parent().removeClass('menu-focus');\n\n                // The containing root for the menu.\n                rootItem = parentMenus.last().parent();\n\n                menuIndex = this.rootMenus.index(rootItem);\n\n                // If this is not the last root menu item, move to the next one.\n                if (menuIndex < this.rootMenus.length - 1) {\n                    newItem = rootItem.next();\n                } else {\n                    // Loop.\n                    newItem = this.rootMenus.first();\n                }\n\n                // Add the focus styling to the new menu.\n                newItem.addClass('menu-focus');\n\n                if (newItem.attr('aria-haspopup') == 'true') {\n                    childMenu = newItem.children('ul').first();\n\n                    newItem = childMenu.children('li').first();\n\n                    // Show the child menu and update it's aria attributes.\n                    this.openSubMenu(childMenu);\n                    this.isChildOpen = true;\n                }\n            }\n        }\n\n        return newItem;\n    };\n\n    /**\n     * Member function to move to the previous menu level.\n     * This will be either the previous root-level menu or the child of a menu parent. If\n     * at the root level and the active item is the first in the menu, this function will loop\n     * to the last menu item.\n     *\n     * If the menu is a horizontal menu, the first child element of the newly selected menu will\n     * be selected\n     *\n     * @method moveToPrevious\n     * @param {Object} item is the active menu item\n     * @return {Object} Returns the item to move to. Returns item is no move is possible\n     */\n    Menubar.prototype.moveToPrevious = function(item) {\n        // Item's containing menu.\n        var itemUL = item.parent();\n        // The items in the currently active menu.\n        var menuItems = itemUL.children('li');\n        // The items index in its menu.\n        var menuIndex = menuItems.index(item);\n        var newItem = null;\n        var childMenu = null;\n\n        if (itemUL.is('.tool-lp-menu')) {\n            // This is the root level move to previous sibling. This will require closing\n            // the current child menu and opening the new one.\n\n            if (menuIndex > 0) {\n                // Not the first root menu.\n                newItem = item.prev();\n            } else {\n                // Wrap to last item.\n                newItem = menuItems.last();\n            }\n\n            // Close the current child menu (if applicable).\n            if (item.attr('aria-haspopup') == 'true') {\n                childMenu = item.children('ul').first();\n\n                if (childMenu.attr('aria-hidden') == 'false') {\n                    // Update the child menu's aria-hidden attribute.\n                    childMenu.attr('aria-hidden', 'true');\n                    this.isChildOpen = true;\n                }\n            }\n\n            // Remove the focus styling from the current menu.\n            item.removeClass('menu-focus');\n\n            // Open the new child menu (if applicable).\n            if ((newItem.attr('aria-haspopup') === 'true') && (this.isChildOpen === true)) {\n\n                childMenu = newItem.children('ul').first();\n\n                // Update the child's aria-hidden attribute.\n                this.openSubMenu(childMenu);\n\n            }\n        } else {\n            // This is not the root level. If there is a parent menu that is not the\n            // root menu, move up one level; otherwise, move to first item of the previous\n            // root menu.\n\n            var parentLI = itemUL.parent();\n            var parentUL = parentLI.parent();\n\n            // If this is a vertical menu or is not the first child menu\n            // of the root-level menu, move up one level.\n            if (!parentUL.is('.tool-lp-menu')) {\n\n                newItem = itemUL.parent();\n\n                // Hide the active menu and update aria-hidden.\n                itemUL.attr('aria-hidden', 'true');\n\n                // Remove the focus highlight from the item.\n                item.removeClass('menu-focus');\n\n            } else {\n                // Move to previous root-level menu.\n\n                // Hide the current menu and update the aria attributes accordingly.\n                itemUL.attr('aria-hidden', 'true');\n\n                // Remove the focus styling from the active menu.\n                item.removeClass('menu-focus');\n                parentLI.removeClass('menu-focus');\n\n                menuIndex = this.rootMenus.index(parentLI);\n\n                if (menuIndex > 0) {\n                    // Move to the previous root-level menu.\n                    newItem = parentLI.prev();\n                } else {\n                    // Loop to last root-level menu.\n                    newItem = this.rootMenus.last();\n                }\n\n                // Add the focus styling to the new menu.\n                newItem.addClass('menu-focus');\n\n                if (newItem.attr('aria-haspopup') == 'true') {\n                    childMenu = newItem.children('ul').first();\n\n                    // Show the child menu and update it's aria attributes.\n                    this.openSubMenu(childMenu);\n                    this.isChildOpen = true;\n\n                    newItem = childMenu.children('li').first();\n                }\n            }\n        }\n\n        return newItem;\n    };\n\n    /**\n     * Member function to select the next item in a menu.\n     * If the active item is the last in the menu, this function will loop to the\n     * first menu item.\n     *\n     * @method moveDown\n     * @param {Object} item is the active menu item\n     * @param {String} startChr is the character to attempt to match against the beginning of the\n     *                          menu item titles. If found, focus moves to the next menu item beginning with that character.\n     * @return {Object} Returns the item to move to. Returns item is no move is possible\n     */\n    Menubar.prototype.moveDown = function(item, startChr) {\n        // Item's containing menu.\n        var itemUL = item.parent();\n        // The items in the currently active menu.\n        var menuItems = itemUL.children('li').not('.separator');\n        // The number of items in the active menu.\n        var menuNum = menuItems.length;\n        // The items index in its menu.\n        var menuIndex = menuItems.index(item);\n        var newItem = null;\n        var newItemUL = null;\n\n        if (itemUL.is('.tool-lp-menu')) {\n            // This is the root level menu.\n\n            if (item.attr('aria-haspopup') != 'true') {\n                // No child menu to move to.\n                return item;\n            }\n\n            // Move to the first item in the child menu.\n            newItemUL = item.children('ul').first();\n            newItem = newItemUL.children('li').first();\n\n            // Make sure the child menu is visible.\n            this.openSubMenu(newItemUL);\n\n            return newItem;\n        }\n\n        // If $item is not the last item in its menu, move to the next item. If startChr is specified, move\n        // to the next item with a title that begins with that character.\n        if (startChr) {\n            var match = false;\n            var curNdx = menuIndex + 1;\n\n            // Check if the active item was the last one on the list.\n            if (curNdx == menuNum) {\n                curNdx = 0;\n            }\n\n            // Iterate through the menu items (starting from the current item and wrapping) until a match is found\n            // or the loop returns to the current menu item.\n            while (curNdx != menuIndex) {\n\n                var titleChr = menuItems.eq(curNdx).html().charAt(0);\n\n                if (titleChr.toLowerCase() == startChr) {\n                    match = true;\n                    break;\n                }\n\n                curNdx = curNdx + 1;\n\n                if (curNdx == menuNum) {\n                    // Reached the end of the list, start again at the beginning.\n                    curNdx = 0;\n                }\n            }\n\n            if (match === true) {\n                newItem = menuItems.eq(curNdx);\n\n                // Remove the focus styling from the current item.\n                item.removeClass('menu-focus');\n\n                return newItem;\n            } else {\n                return item;\n            }\n        } else {\n            if (menuIndex < menuNum - 1) {\n                newItem = menuItems.eq(menuIndex + 1);\n            } else {\n                newItem = menuItems.first();\n            }\n        }\n\n        // Remove the focus styling from the current item.\n        item.removeClass('menu-focus');\n\n        return newItem;\n    };\n\n    /**\n     * Function moveUp() is a member function to select the previous item in a menu.\n     * If the active item is the first in the menu, this function will loop to the\n     * last menu item.\n     *\n     * @method moveUp\n     * @param {Object} item is the active menu item\n     * @return {Object} Returns the item to move to. 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 });\n        },\n\n        /**\n         * Handy function to close all open menus anywhere on the page.\n         * @method closeAll\n         */\n        closeAll: closeAllSubMenus\n    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\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/module_navigation.min.js b/admin/tool/lp/amd/build/module_navigation.min.js
index 917da94c8a0..b667266e851 100644
--- a/admin/tool/lp/amd/build/module_navigation.min.js
+++ b/admin/tool/lp/amd/build/module_navigation.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/module_navigation",["jquery"],function(a){var b=function(b,c,d,e){this._baseUrl=c;this._moduleId=e;this._courseId=d;a(b).on("change",this._moduleChanged.bind(this))};b.prototype._moduleChanged=function(b){var c=a(b.target).val(),d="?mod="+c+"&courseid="+this._courseId;document.location=this._baseUrl+d};b.prototype._courseId=null;b.prototype._moduleId=null;b.prototype._baseUrl=null;return b});
-//# sourceMappingURL=module_navigation.min.js.map
+/**
+ * Module to navigation between users in a course.
+ *
+ * @package    tool_lp
+ * @copyright  2019 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/module_navigation",["jquery"],(function($){var ModuleNavigation=function(moduleSelector,baseUrl,courseId,moduleId){this._baseUrl=baseUrl,this._moduleId=moduleId,this._courseId=courseId,$(moduleSelector).on("change",this._moduleChanged.bind(this))};return ModuleNavigation.prototype._moduleChanged=function(e){var queryStr="?mod="+$(e.target).val()+"&courseid="+this._courseId;document.location=this._baseUrl+queryStr},ModuleNavigation.prototype._courseId=null,ModuleNavigation.prototype._moduleId=null,ModuleNavigation.prototype._baseUrl=null,ModuleNavigation}));
+
+//# sourceMappingURL=module_navigation.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/module_navigation.min.js.map b/admin/tool/lp/amd/build/module_navigation.min.js.map
index 000ae636627..b22203b485c 100644
--- a/admin/tool/lp/amd/build/module_navigation.min.js.map
+++ b/admin/tool/lp/amd/build/module_navigation.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/module_navigation.js"],"names":["define","$","ModuleNavigation","moduleSelector","baseUrl","courseId","moduleId","_baseUrl","_moduleId","_courseId","on","_moduleChanged","bind","prototype","e","newModuleId","target","val","queryStr","document","location"],"mappings":"AAuBAA,OAAM,6BAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAU3B,GAAIC,CAAAA,CAAgB,CAAG,SAASC,CAAT,CAAyBC,CAAzB,CAAkCC,CAAlC,CAA4CC,CAA5C,CAAsD,CACzE,KAAKC,QAAL,CAAgBH,CAAhB,CACA,KAAKI,SAAL,CAAiBF,CAAjB,CACA,KAAKG,SAAL,CAAiBJ,CAAjB,CAEAJ,CAAC,CAACE,CAAD,CAAD,CAAkBO,EAAlB,CAAqB,QAArB,CAA+B,KAAKC,cAAL,CAAoBC,IAApB,CAAyB,IAAzB,CAA/B,CACH,CAND,CAcAV,CAAgB,CAACW,SAAjB,CAA2BF,cAA3B,CAA4C,SAASG,CAAT,CAAY,IAChDC,CAAAA,CAAW,CAAGd,CAAC,CAACa,CAAC,CAACE,MAAH,CAAD,CAAYC,GAAZ,EADkC,CAEhDC,CAAQ,CAAG,QAAUH,CAAV,CAAwB,YAAxB,CAAuC,KAAKN,SAFP,CAGpDU,QAAQ,CAACC,QAAT,CAAoB,KAAKb,QAAL,CAAgBW,CACvC,CAJD,CAOAhB,CAAgB,CAACW,SAAjB,CAA2BJ,SAA3B,CAAuC,IAAvC,CAEAP,CAAgB,CAACW,SAAjB,CAA2BL,SAA3B,CAAuC,IAAvC,CAEAN,CAAgB,CAACW,SAAjB,CAA2BN,QAA3B,CAAsC,IAAtC,CAEA,MAAsDL,CAAAA,CACzD,CAtCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to navigation between users in a course.\n *\n * @package    tool_lp\n * @copyright  2019 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * ModuleNavigation\n     *\n     * @param {String} moduleSelector The selector of the module element.\n     * @param {String} baseUrl The base url for the page (no params).\n     * @param {Number} courseId The course id\n     * @param {Number} moduleId The activity module (filter)\n     */\n    var ModuleNavigation = function(moduleSelector, baseUrl, courseId, moduleId) {\n        this._baseUrl = baseUrl;\n        this._moduleId = moduleId;\n        this._courseId = courseId;\n\n        $(moduleSelector).on('change', this._moduleChanged.bind(this));\n    };\n\n    /**\n     * The module was changed in the select list.\n     *\n     * @method _moduleChanged\n     * @param {Event} e the event\n     */\n    ModuleNavigation.prototype._moduleChanged = function(e) {\n        var newModuleId = $(e.target).val();\n        var queryStr = '?mod=' + newModuleId + '&courseid=' + this._courseId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /** @type {Number} The id of the course. */\n    ModuleNavigation.prototype._courseId = null;\n    /** @type {Number} The id of the module. */\n    ModuleNavigation.prototype._moduleId = null;\n    /** @type {String} Plugin base url. */\n    ModuleNavigation.prototype._baseUrl = null;\n\n    return /** @alias module:tool_lp/module_navigation */ ModuleNavigation;\n});\n"],"file":"module_navigation.min.js"}
\ No newline at end of file
+{"version":3,"file":"module_navigation.min.js","sources":["../src/module_navigation.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to navigation between users in a course.\n *\n * @package    tool_lp\n * @copyright  2019 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * ModuleNavigation\n     *\n     * @param {String} moduleSelector The selector of the module element.\n     * @param {String} baseUrl The base url for the page (no params).\n     * @param {Number} courseId The course id\n     * @param {Number} moduleId The activity module (filter)\n     */\n    var ModuleNavigation = function(moduleSelector, baseUrl, courseId, moduleId) {\n        this._baseUrl = baseUrl;\n        this._moduleId = moduleId;\n        this._courseId = courseId;\n\n        $(moduleSelector).on('change', this._moduleChanged.bind(this));\n    };\n\n    /**\n     * The module was changed in the select list.\n     *\n     * @method _moduleChanged\n     * @param {Event} e the event\n     */\n    ModuleNavigation.prototype._moduleChanged = function(e) {\n        var newModuleId = $(e.target).val();\n        var queryStr = '?mod=' + newModuleId + '&courseid=' + this._courseId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /** @type {Number} The id of the course. */\n    ModuleNavigation.prototype._courseId = null;\n    /** @type {Number} The id of the module. */\n    ModuleNavigation.prototype._moduleId = null;\n    /** @type {String} Plugin base url. */\n    ModuleNavigation.prototype._baseUrl = null;\n\n    return /** @alias module:tool_lp/module_navigation */ ModuleNavigation;\n});\n"],"names":["define","$","ModuleNavigation","moduleSelector","baseUrl","courseId","moduleId","_baseUrl","_moduleId","_courseId","on","this","_moduleChanged","bind","prototype","e","queryStr","target","val","document","location"],"mappings":";;;;;;;AAuBAA,mCAAO,CAAC,WAAW,SAASC,OAUpBC,iBAAmB,SAASC,eAAgBC,QAASC,SAAUC,eAC1DC,SAAWH,aACXI,UAAYF,cACZG,UAAYJ,SAEjBJ,EAAEE,gBAAgBO,GAAG,SAAUC,KAAKC,eAAeC,KAAKF,eAS5DT,iBAAiBY,UAAUF,eAAiB,SAASG,OAE7CC,SAAW,QADGf,EAAEc,EAAEE,QAAQC,MACS,aAAeP,KAAKF,UAC3DU,SAASC,SAAWT,KAAKJ,SAAWS,UAIxCd,iBAAiBY,UAAUL,UAAY,KAEvCP,iBAAiBY,UAAUN,UAAY,KAEvCN,iBAAiBY,UAAUP,SAAW,KAEgBL"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/parentcompetency_form.min.js b/admin/tool/lp/amd/build/parentcompetency_form.min.js
index 87e8535bdcf..01da658c67f 100644
--- a/admin/tool/lp/amd/build/parentcompetency_form.min.js
+++ b/admin/tool/lp/amd/build/parentcompetency_form.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/parentcompetency_form",["jquery","core/ajax","core/str","tool_lp/competencypicker","core/templates","core/notification"],function(a,b,c,d,e,f){var g=function(a,b,c,d,e){this.buttonSelector=a;this.inputHiddenSelector=b;this.staticElementSelector=c;this.frameworkId=d;this.pageContextId=e;this.registerEvents()};g.prototype.buttonSelector=null;g.prototype.inputHiddenSelector=null;g.prototype.staticElementSelector=null;g.prototype.frameworkId=null;g.prototype.pageContextId=null;g.prototype.setParent=function(d){var e=this;if(0!==d.competencyId){b.call([{methodname:"core_competency_read_competency",args:{id:d.competencyId}}])[0].done(function(b){a(e.staticElementSelector).html(b.shortname);a(e.inputHiddenSelector).val(b.id)}).fail(f.exception)}else{c.get_string("competencyframeworkroot","tool_lp").then(function(b){a(e.staticElementSelector).html(b);a(e.inputHiddenSelector).val(d.competencyId)}).fail(f.exception)}};g.prototype.registerEvents=function(){var b=this;a(b.buttonSelector).on("click",function(a){a.preventDefault();var c=new d(b.pageContextId,b.frameworkId,"self",!1);c._render=function(){var a=this;return a._preRender().then(function(){var b={competencies:a._competencies,framework:a._getFramework(a._frameworkId),frameworks:a._frameworks,search:a._searchText,singleFramework:a._singleFramework};return e.render("tool_lp/competency_picker_competencyform",b)})};c.on("save",function(a,c){b.setParent(c)});c.display()})};return{init:function init(a,b,c,d,e){new g(a,b,c,d,e)}}});
-//# sourceMappingURL=parentcompetency_form.min.js.map
+/**
+ * Handle selecting parent competency in competency form.
+ *
+ * @module     tool_lp/parentcompetency_form
+ * @package    tool_lp
+ * @copyright  2015 Issam Taboubi <issam.taboubi@umontreal.ca>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/parentcompetency_form",["jquery","core/ajax","core/str","tool_lp/competencypicker","core/templates","core/notification"],(function($,ajax,Str,Picker,Templates,Notification){var ParentCompetencyForm=function(buttonSelector,inputHiddenSelector,staticElementSelector,frameworkId,pageContextId){this.buttonSelector=buttonSelector,this.inputHiddenSelector=inputHiddenSelector,this.staticElementSelector=staticElementSelector,this.frameworkId=frameworkId,this.pageContextId=pageContextId,this.registerEvents()};return ParentCompetencyForm.prototype.buttonSelector=null,ParentCompetencyForm.prototype.inputHiddenSelector=null,ParentCompetencyForm.prototype.staticElementSelector=null,ParentCompetencyForm.prototype.frameworkId=null,ParentCompetencyForm.prototype.pageContextId=null,ParentCompetencyForm.prototype.setParent=function(data){var self=this;0!==data.competencyId?ajax.call([{methodname:"core_competency_read_competency",args:{id:data.competencyId}}])[0].done((function(competency){$(self.staticElementSelector).html(competency.shortname),$(self.inputHiddenSelector).val(competency.id)})).fail(Notification.exception):Str.get_string("competencyframeworkroot","tool_lp").then((function(rootframework){$(self.staticElementSelector).html(rootframework),$(self.inputHiddenSelector).val(data.competencyId)})).fail(Notification.exception)},ParentCompetencyForm.prototype.registerEvents=function(){var self=this;$(self.buttonSelector).on("click",(function(e){e.preventDefault();var picker=new Picker(self.pageContextId,self.frameworkId,"self",!1);picker._render=function(){var self=this;return self._preRender().then((function(){var context={competencies:self._competencies,framework:self._getFramework(self._frameworkId),frameworks:self._frameworks,search:self._searchText,singleFramework:self._singleFramework};return Templates.render("tool_lp/competency_picker_competencyform",context)}))},picker.on("save",(function(e,data){self.setParent(data)})),picker.display()}))},{init:function(buttonSelector,inputSelector,staticElementSelector,frameworkId,pageContextId){new ParentCompetencyForm(buttonSelector,inputSelector,staticElementSelector,frameworkId,pageContextId)}}}));
+
+//# sourceMappingURL=parentcompetency_form.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/parentcompetency_form.min.js.map b/admin/tool/lp/amd/build/parentcompetency_form.min.js.map
index 7939dd2054f..c136457254e 100644
--- a/admin/tool/lp/amd/build/parentcompetency_form.min.js.map
+++ b/admin/tool/lp/amd/build/parentcompetency_form.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/parentcompetency_form.js"],"names":["define","$","ajax","Str","Picker","Templates","Notification","ParentCompetencyForm","buttonSelector","inputHiddenSelector","staticElementSelector","frameworkId","pageContextId","registerEvents","prototype","setParent","data","self","competencyId","call","methodname","args","id","done","competency","html","shortname","val","fail","exception","get_string","then","rootframework","on","e","preventDefault","picker","_render","_preRender","context","competencies","_competencies","framework","_getFramework","_frameworkId","frameworks","_frameworks","search","_searchText","singleFramework","_singleFramework","render","display","init","inputSelector"],"mappings":"AAuBAA,OAAM,iCAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,UAAxB,CAAoC,0BAApC,CAAgE,gBAAhE,CAAkF,mBAAlF,CAAD,CACF,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAuBC,CAAvB,CAA+BC,CAA/B,CAA0CC,CAA1C,CAAwD,CAUxD,GAAIC,CAAAA,CAAoB,CAAG,SAASC,CAAT,CACSC,CADT,CAESC,CAFT,CAGSC,CAHT,CAISC,CAJT,CAIwB,CAC/C,KAAKJ,cAAL,CAAsBA,CAAtB,CACA,KAAKC,mBAAL,CAA2BA,CAA3B,CACA,KAAKC,qBAAL,CAA6BA,CAA7B,CACA,KAAKC,WAAL,CAAmBA,CAAnB,CACA,KAAKC,aAAL,CAAqBA,CAArB,CAGA,KAAKC,cAAL,EACH,CAbD,CAgBAN,CAAoB,CAACO,SAArB,CAA+BN,cAA/B,CAAgD,IAAhD,CAEAD,CAAoB,CAACO,SAArB,CAA+BL,mBAA/B,CAAqD,IAArD,CAEAF,CAAoB,CAACO,SAArB,CAA+BJ,qBAA/B,CAAuD,IAAvD,CAEAH,CAAoB,CAACO,SAArB,CAA+BH,WAA/B,CAA6C,IAA7C,CAEAJ,CAAoB,CAACO,SAArB,CAA+BF,aAA/B,CAA+C,IAA/C,CAQAL,CAAoB,CAACO,SAArB,CAA+BC,SAA/B,CAA2C,SAASC,CAAT,CAAe,CACtD,GAAIC,CAAAA,CAAI,CAAG,IAAX,CAEA,GAA0B,CAAtB,GAAAD,CAAI,CAACE,YAAT,CAA6B,CACzBhB,CAAI,CAACiB,IAAL,CAAU,CACN,CAACC,UAAU,CAAE,iCAAb,CAAgDC,IAAI,CAAE,CAClDC,EAAE,CAAEN,CAAI,CAACE,YADyC,CAAtD,CADM,CAAV,EAIG,CAJH,EAIMK,IAJN,CAIW,SAASC,CAAT,CAAqB,CAC5BvB,CAAC,CAACgB,CAAI,CAACP,qBAAN,CAAD,CAA8Be,IAA9B,CAAmCD,CAAU,CAACE,SAA9C,EACAzB,CAAC,CAACgB,CAAI,CAACR,mBAAN,CAAD,CAA4BkB,GAA5B,CAAgCH,CAAU,CAACF,EAA3C,CACH,CAPD,EAOGM,IAPH,CAOQtB,CAAY,CAACuB,SAPrB,CAQH,CATD,IASO,CAEH1B,CAAG,CAAC2B,UAAJ,CAAe,yBAAf,CAA0C,SAA1C,EAAqDC,IAArD,CAA0D,SAASC,CAAT,CAAwB,CAC9E/B,CAAC,CAACgB,CAAI,CAACP,qBAAN,CAAD,CAA8Be,IAA9B,CAAmCO,CAAnC,EACA/B,CAAC,CAACgB,CAAI,CAACR,mBAAN,CAAD,CAA4BkB,GAA5B,CAAgCX,CAAI,CAACE,YAArC,CAEH,CAJD,EAIGU,IAJH,CAIQtB,CAAY,CAACuB,SAJrB,CAKH,CACJ,CApBD,CA2BAtB,CAAoB,CAACO,SAArB,CAA+BD,cAA/B,CAAgD,UAAW,CACvD,GAAII,CAAAA,CAAI,CAAG,IAAX,CAGAhB,CAAC,CAACgB,CAAI,CAACT,cAAN,CAAD,CAAuByB,EAAvB,CAA0B,OAA1B,CAAmC,SAASC,CAAT,CAAY,CAC3CA,CAAC,CAACC,cAAF,GAEA,GAAIC,CAAAA,CAAM,CAAG,GAAIhC,CAAAA,CAAJ,CAAWa,CAAI,CAACL,aAAhB,CAA+BK,CAAI,CAACN,WAApC,CAAiD,MAAjD,IAAb,CAGAyB,CAAM,CAACC,OAAP,CAAiB,UAAW,CACxB,GAAIpB,CAAAA,CAAI,CAAG,IAAX,CACA,MAAOA,CAAAA,CAAI,CAACqB,UAAL,GAAkBP,IAAlB,CAAuB,UAAW,CACrC,GAAIQ,CAAAA,CAAO,CAAG,CACVC,YAAY,CAAEvB,CAAI,CAACwB,aADT,CAEVC,SAAS,CAAEzB,CAAI,CAAC0B,aAAL,CAAmB1B,CAAI,CAAC2B,YAAxB,CAFD,CAGVC,UAAU,CAAE5B,CAAI,CAAC6B,WAHP,CAIVC,MAAM,CAAE9B,CAAI,CAAC+B,WAJH,CAKVC,eAAe,CAAEhC,CAAI,CAACiC,gBALZ,CAAd,CAQA,MAAO7C,CAAAA,CAAS,CAAC8C,MAAV,CAAiB,0CAAjB,CAA6DZ,CAA7D,CACV,CAVM,CAWV,CAbD,CAgBAH,CAAM,CAACH,EAAP,CAAU,MAAV,CAAkB,SAASC,CAAT,CAAYlB,CAAZ,CAAkB,CAChCC,CAAI,CAACF,SAAL,CAAeC,CAAf,CACH,CAFD,EAIAoB,CAAM,CAACgB,OAAP,EACH,CA3BD,CA4BH,CAhCD,CAkCA,MAAO,CAWHC,IAAI,CAAE,cAAS7C,CAAT,CACU8C,CADV,CAEU5C,CAFV,CAGUC,CAHV,CAIUC,CAJV,CAIyB,CAE3B,GAAIL,CAAAA,CAAJ,CAAyBC,CAAzB,CACwB8C,CADxB,CAEwB5C,CAFxB,CAGwBC,CAHxB,CAIwBC,CAJxB,CAKH,CAtBE,CAwBV,CAhIK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle selecting parent competency in competency form.\n *\n * @module     tool_lp/parentcompetency_form\n * @package    tool_lp\n * @copyright  2015 Issam Taboubi <issam.taboubi@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'tool_lp/competencypicker', 'core/templates', 'core/notification'],\n    function($, ajax, Str, Picker, Templates, Notification) {\n\n    /**\n     * Parent Competency Form object.\n     * @param {String} buttonSelector The parent competency button selector.\n     * @param {String} inputHiddenSelector The hidden input field selector.\n     * @param {String} staticElementSelector The static element displaying the parent competency.\n     * @param {Number} frameworkId The competency framework ID.\n     * @param {Number} pageContextId The page context ID.\n     */\n    var ParentCompetencyForm = function(buttonSelector,\n                                        inputHiddenSelector,\n                                        staticElementSelector,\n                                        frameworkId,\n                                        pageContextId) {\n        this.buttonSelector = buttonSelector;\n        this.inputHiddenSelector = inputHiddenSelector;\n        this.staticElementSelector = staticElementSelector;\n        this.frameworkId = frameworkId;\n        this.pageContextId = pageContextId;\n\n        // Register the events.\n        this.registerEvents();\n    };\n\n    /** @var {String} The parent competency button selector. */\n    ParentCompetencyForm.prototype.buttonSelector = null;\n    /** @var {String} The hidden input field selector. */\n    ParentCompetencyForm.prototype.inputHiddenSelector = null;\n    /** @var {String} The static element displaying the parent competency. */\n    ParentCompetencyForm.prototype.staticElementSelector = null;\n    /** @var {Number} The competency framework ID. */\n    ParentCompetencyForm.prototype.frameworkId = null;\n    /** @var {Number} The page context ID. */\n    ParentCompetencyForm.prototype.pageContextId = null;\n\n    /**\n     * Set the parent competency in the competency form.\n     *\n     * @param {Object} data Data containing selected competency.\n     * @method setParent\n     */\n    ParentCompetencyForm.prototype.setParent = function(data) {\n        var self = this;\n\n        if (data.competencyId !== 0) {\n            ajax.call([\n                {methodname: 'core_competency_read_competency', args: {\n                    id: data.competencyId\n                }}\n            ])[0].done(function(competency) {\n                $(self.staticElementSelector).html(competency.shortname);\n                $(self.inputHiddenSelector).val(competency.id);\n            }).fail(Notification.exception);\n        } else {\n            // Root of competency framework selected.\n            Str.get_string('competencyframeworkroot', 'tool_lp').then(function(rootframework) {\n                $(self.staticElementSelector).html(rootframework);\n                $(self.inputHiddenSelector).val(data.competencyId);\n                return;\n            }).fail(Notification.exception);\n        }\n    };\n\n    /**\n     * Register the events of parent competency button click.\n     *\n     * @method registerEvents\n     */\n    ParentCompetencyForm.prototype.registerEvents = function() {\n        var self = this;\n\n        // Event on edit parent button.\n        $(self.buttonSelector).on('click', function(e) {\n            e.preventDefault();\n\n            var picker = new Picker(self.pageContextId, self.frameworkId, 'self', false);\n\n            // Override the render method to make framework selectable.\n            picker._render = function() {\n                var self = this;\n                return self._preRender().then(function() {\n                    var context = {\n                        competencies: self._competencies,\n                        framework: self._getFramework(self._frameworkId),\n                        frameworks: self._frameworks,\n                        search: self._searchText,\n                        singleFramework: self._singleFramework,\n                    };\n\n                    return Templates.render('tool_lp/competency_picker_competencyform', context);\n                });\n            };\n\n            // On selected competency.\n            picker.on('save', function(e, data) {\n                self.setParent(data);\n            });\n\n            picker.display();\n        });\n    };\n\n    return {\n\n        /**\n         * Main initialisation.\n         * @param {String} buttonSelector The parent competency button selector.\n         * @param {String} inputSelector The hidden input field selector.\n         * @param {String} staticElementSelector The static element displaying the parent competency.\n         * @param {Number} frameworkId The competency framework ID.\n         * @param {Number} pageContextId The page context ID.\n         * @method init\n         */\n        init: function(buttonSelector,\n                        inputSelector,\n                        staticElementSelector,\n                        frameworkId,\n                        pageContextId) {\n            // Create instance.\n            new ParentCompetencyForm(buttonSelector,\n                                    inputSelector,\n                                    staticElementSelector,\n                                    frameworkId,\n                                    pageContextId);\n        }\n    };\n});\n"],"file":"parentcompetency_form.min.js"}
\ No newline at end of file
+{"version":3,"file":"parentcompetency_form.min.js","sources":["../src/parentcompetency_form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle selecting parent competency in competency form.\n *\n * @module     tool_lp/parentcompetency_form\n * @package    tool_lp\n * @copyright  2015 Issam Taboubi <issam.taboubi@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'tool_lp/competencypicker', 'core/templates', 'core/notification'],\n    function($, ajax, Str, Picker, Templates, Notification) {\n\n    /**\n     * Parent Competency Form object.\n     * @param {String} buttonSelector The parent competency button selector.\n     * @param {String} inputHiddenSelector The hidden input field selector.\n     * @param {String} staticElementSelector The static element displaying the parent competency.\n     * @param {Number} frameworkId The competency framework ID.\n     * @param {Number} pageContextId The page context ID.\n     */\n    var ParentCompetencyForm = function(buttonSelector,\n                                        inputHiddenSelector,\n                                        staticElementSelector,\n                                        frameworkId,\n                                        pageContextId) {\n        this.buttonSelector = buttonSelector;\n        this.inputHiddenSelector = inputHiddenSelector;\n        this.staticElementSelector = staticElementSelector;\n        this.frameworkId = frameworkId;\n        this.pageContextId = pageContextId;\n\n        // Register the events.\n        this.registerEvents();\n    };\n\n    /** @var {String} The parent competency button selector. */\n    ParentCompetencyForm.prototype.buttonSelector = null;\n    /** @var {String} The hidden input field selector. */\n    ParentCompetencyForm.prototype.inputHiddenSelector = null;\n    /** @var {String} The static element displaying the parent competency. */\n    ParentCompetencyForm.prototype.staticElementSelector = null;\n    /** @var {Number} The competency framework ID. */\n    ParentCompetencyForm.prototype.frameworkId = null;\n    /** @var {Number} The page context ID. */\n    ParentCompetencyForm.prototype.pageContextId = null;\n\n    /**\n     * Set the parent competency in the competency form.\n     *\n     * @param {Object} data Data containing selected competency.\n     * @method setParent\n     */\n    ParentCompetencyForm.prototype.setParent = function(data) {\n        var self = this;\n\n        if (data.competencyId !== 0) {\n            ajax.call([\n                {methodname: 'core_competency_read_competency', args: {\n                    id: data.competencyId\n                }}\n            ])[0].done(function(competency) {\n                $(self.staticElementSelector).html(competency.shortname);\n                $(self.inputHiddenSelector).val(competency.id);\n            }).fail(Notification.exception);\n        } else {\n            // Root of competency framework selected.\n            Str.get_string('competencyframeworkroot', 'tool_lp').then(function(rootframework) {\n                $(self.staticElementSelector).html(rootframework);\n                $(self.inputHiddenSelector).val(data.competencyId);\n                return;\n            }).fail(Notification.exception);\n        }\n    };\n\n    /**\n     * Register the events of parent competency button click.\n     *\n     * @method registerEvents\n     */\n    ParentCompetencyForm.prototype.registerEvents = function() {\n        var self = this;\n\n        // Event on edit parent button.\n        $(self.buttonSelector).on('click', function(e) {\n            e.preventDefault();\n\n            var picker = new Picker(self.pageContextId, self.frameworkId, 'self', false);\n\n            // Override the render method to make framework selectable.\n            picker._render = function() {\n                var self = this;\n                return self._preRender().then(function() {\n                    var context = {\n                        competencies: self._competencies,\n                        framework: self._getFramework(self._frameworkId),\n                        frameworks: self._frameworks,\n                        search: self._searchText,\n                        singleFramework: self._singleFramework,\n                    };\n\n                    return Templates.render('tool_lp/competency_picker_competencyform', context);\n                });\n            };\n\n            // On selected competency.\n            picker.on('save', function(e, data) {\n                self.setParent(data);\n            });\n\n            picker.display();\n        });\n    };\n\n    return {\n\n        /**\n         * Main initialisation.\n         * @param {String} buttonSelector The parent competency button selector.\n         * @param {String} inputSelector The hidden input field selector.\n         * @param {String} staticElementSelector The static element displaying the parent competency.\n         * @param {Number} frameworkId The competency framework ID.\n         * @param {Number} pageContextId The page context ID.\n         * @method init\n         */\n        init: function(buttonSelector,\n                        inputSelector,\n                        staticElementSelector,\n                        frameworkId,\n                        pageContextId) {\n            // Create instance.\n            new ParentCompetencyForm(buttonSelector,\n                                    inputSelector,\n                                    staticElementSelector,\n                                    frameworkId,\n                                    pageContextId);\n        }\n    };\n});\n"],"names":["define","$","ajax","Str","Picker","Templates","Notification","ParentCompetencyForm","buttonSelector","inputHiddenSelector","staticElementSelector","frameworkId","pageContextId","registerEvents","prototype","setParent","data","self","this","competencyId","call","methodname","args","id","done","competency","html","shortname","val","fail","exception","get_string","then","rootframework","on","e","preventDefault","picker","_render","_preRender","context","competencies","_competencies","framework","_getFramework","_frameworkId","frameworks","_frameworks","search","_searchText","singleFramework","_singleFramework","render","display","init","inputSelector"],"mappings":";;;;;;;;AAuBAA,uCAAO,CAAC,SAAU,YAAa,WAAY,2BAA4B,iBAAkB,sBACrF,SAASC,EAAGC,KAAMC,IAAKC,OAAQC,UAAWC,kBAUtCC,qBAAuB,SAASC,eACAC,oBACAC,sBACAC,YACAC,oBAC3BJ,eAAiBA,oBACjBC,oBAAsBA,yBACtBC,sBAAwBA,2BACxBC,YAAcA,iBACdC,cAAgBA,mBAGhBC,yBAITN,qBAAqBO,UAAUN,eAAiB,KAEhDD,qBAAqBO,UAAUL,oBAAsB,KAErDF,qBAAqBO,UAAUJ,sBAAwB,KAEvDH,qBAAqBO,UAAUH,YAAc,KAE7CJ,qBAAqBO,UAAUF,cAAgB,KAQ/CL,qBAAqBO,UAAUC,UAAY,SAASC,UAC5CC,KAAOC,KAEe,IAAtBF,KAAKG,aACLjB,KAAKkB,KAAK,CACN,CAACC,WAAY,kCAAmCC,KAAM,CAClDC,GAAIP,KAAKG,iBAEd,GAAGK,MAAK,SAASC,YAChBxB,EAAEgB,KAAKP,uBAAuBgB,KAAKD,WAAWE,WAC9C1B,EAAEgB,KAAKR,qBAAqBmB,IAAIH,WAAWF,OAC5CM,KAAKvB,aAAawB,WAGrB3B,IAAI4B,WAAW,0BAA2B,WAAWC,MAAK,SAASC,eAC/DhC,EAAEgB,KAAKP,uBAAuBgB,KAAKO,eACnChC,EAAEgB,KAAKR,qBAAqBmB,IAAIZ,KAAKG,iBAEtCU,KAAKvB,aAAawB,YAS7BvB,qBAAqBO,UAAUD,eAAiB,eACxCI,KAAOC,KAGXjB,EAAEgB,KAAKT,gBAAgB0B,GAAG,SAAS,SAASC,GACxCA,EAAEC,qBAEEC,OAAS,IAAIjC,OAAOa,KAAKL,cAAeK,KAAKN,YAAa,QAAQ,GAGtE0B,OAAOC,QAAU,eACTrB,KAAOC,YACJD,KAAKsB,aAAaP,MAAK,eACtBQ,QAAU,CACVC,aAAcxB,KAAKyB,cACnBC,UAAW1B,KAAK2B,cAAc3B,KAAK4B,cACnCC,WAAY7B,KAAK8B,YACjBC,OAAQ/B,KAAKgC,YACbC,gBAAiBjC,KAAKkC,yBAGnB9C,UAAU+C,OAAO,2CAA4CZ,aAK5EH,OAAOH,GAAG,QAAQ,SAASC,EAAGnB,MAC1BC,KAAKF,UAAUC,SAGnBqB,OAAOgB,cAIR,CAWHC,KAAM,SAAS9C,eACC+C,cACA7C,sBACAC,YACAC,mBAERL,qBAAqBC,eACD+C,cACA7C,sBACAC,YACAC"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/planactions.min.js b/admin/tool/lp/amd/build/planactions.min.js
index 4edcfa09f06..ef33d69b3db 100644
--- a/admin/tool/lp/amd/build/planactions.min.js
+++ b/admin/tool/lp/amd/build/planactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/planactions",["jquery","core/templates","core/ajax","core/notification","core/str","tool_lp/menubar","tool_lp/dialogue"],function(a,b,c,d,e,f,g){var h=function(a){this._type=a;if("plan"===a){this._region="[data-region=\"plan-page\"]";this._planNode="[data-region=\"plan-page\"]";this._template="tool_lp/plan_page";this._contextMethod="tool_lp_data_for_plan_page"}else if("plans"===a){this._region="[data-region=\"plans\"]";this._planNode="[data-region=\"plan-node\"]";this._template="tool_lp/plans_page";this._contextMethod="tool_lp_data_for_plans_page"}else{throw new TypeError("Unexpected type.")}};h.prototype._contextMethod=null;h.prototype._planNode=null;h.prototype._region=null;h.prototype._template=null;h.prototype._type=null;h.prototype._getContextArgs=function(a){var b=this,c={};if("plan"===b._type){c={planid:a.id}}else if("plans"===b._type){c={userid:a.userid}}return c};h.prototype.refresh=function(b){var c=this._findPlanData(a(b));this._callAndRefresh([],c)};h.prototype._renderView=function(c){var d=this;return b.render(d._template,c).then(function(c,e){a(d._region).replaceWith(c);b.runTemplateJS(e)})};h.prototype._callAndRefresh=function(b,e){var f="tool_lp/planactions:_callAndRefresh-"+Math.floor(Math.random()*Math.floor(1e3));M.util.js_pending(f);var g=this;b.push({methodname:g._contextMethod,args:g._getContextArgs(e)});return a.when.apply(a,c.call(b)).then(function(){return g._renderView(arguments[arguments.length-1])}).fail(d.exception).always(function(){return M.util.js_complete(f)})};h.prototype._doDelete=function(a){var b=this,c=[{methodname:"core_competency_delete_plan",args:{id:a.id}}];b._callAndRefresh(c,a)};h.prototype.deletePlan=function(a){var b=this,f;f=c.call([{methodname:"core_competency_read_plan",args:{id:a.id}}]);f[0].done(function(c){e.get_strings([{key:"confirm",component:"moodle"},{key:"deleteplan",component:"tool_lp",param:c.name},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(c){d.confirm(c[0],c[1],c[2],c[3],function(){b._doDelete(a)})}).fail(d.exception)}).fail(d.exception)};h.prototype._doReopenPlan=function(a){var b=this,c=[{methodname:"core_competency_reopen_plan",args:{planid:a.id}}];b._callAndRefresh(c,a)};h.prototype.reopenPlan=function(a){var b=this,f=c.call([{methodname:"core_competency_read_plan",args:{id:a.id}}]);f[0].done(function(c){e.get_strings([{key:"confirm",component:"moodle"},{key:"reopenplanconfirm",component:"tool_lp",param:c.name},{key:"reopenplan",component:"tool_lp"},{key:"cancel",component:"moodle"}]).done(function(c){d.confirm(c[0],c[1],c[2],c[3],function(){b._doReopenPlan(a)})}).fail(d.exception)}).fail(d.exception)};h.prototype._doCompletePlan=function(a){var b=this,c=[{methodname:"core_competency_complete_plan",args:{planid:a.id}}];b._callAndRefresh(c,a)};h.prototype.completePlan=function(a){var b=this,f=c.call([{methodname:"core_competency_read_plan",args:{id:a.id}}]);f[0].done(function(c){e.get_strings([{key:"confirm",component:"moodle"},{key:"completeplanconfirm",component:"tool_lp",param:c.name},{key:"completeplan",component:"tool_lp"},{key:"cancel",component:"moodle"}]).done(function(c){d.confirm(c[0],c[1],c[2],c[3],function(){b._doCompletePlan(a)})}).fail(d.exception)}).fail(d.exception)};h.prototype._doUnlinkPlan=function(a){var b=this,c=[{methodname:"core_competency_unlink_plan_from_template",args:{planid:a.id}}];b._callAndRefresh(c,a)};h.prototype.unlinkPlan=function(a){var b=this,f=c.call([{methodname:"core_competency_read_plan",args:{id:a.id}}]);f[0].done(function(c){e.get_strings([{key:"confirm",component:"moodle"},{key:"unlinkplantemplateconfirm",component:"tool_lp",param:c.name},{key:"unlinkplantemplate",component:"tool_lp"},{key:"cancel",component:"moodle"}]).done(function(c){d.confirm(c[0],c[1],c[2],c[3],function(){b._doUnlinkPlan(a)})}).fail(d.exception)}).fail(d.exception)};h.prototype._doRequestReview=function(a){var b=[{methodname:"core_competency_plan_request_review",args:{id:a.id}}];this._callAndRefresh(b,a)};h.prototype.requestReview=function(a){this._doRequestReview(a)};h.prototype._doCancelReviewRequest=function(a){var b=[{methodname:"core_competency_plan_cancel_review_request",args:{id:a.id}}];this._callAndRefresh(b,a)};h.prototype.cancelReviewRequest=function(a){this._doCancelReviewRequest(a)};h.prototype._doStartReview=function(a){var b=[{methodname:"core_competency_plan_start_review",args:{id:a.id}}];this._callAndRefresh(b,a)};h.prototype.startReview=function(a){this._doStartReview(a)};h.prototype._doStopReview=function(a){var b=[{methodname:"core_competency_plan_stop_review",args:{id:a.id}}];this._callAndRefresh(b,a)};h.prototype.stopReview=function(a){this._doStopReview(a)};h.prototype._doApprove=function(a){var b=[{methodname:"core_competency_approve_plan",args:{id:a.id}}];this._callAndRefresh(b,a)};h.prototype.approve=function(a){this._doApprove(a)};h.prototype._doUnapprove=function(a){var b=[{methodname:"core_competency_unapprove_plan",args:{id:a.id}}];this._callAndRefresh(b,a)};h.prototype.unapprove=function(a){this._doUnapprove(a)};h.prototype._showLinkedCoursesHandler=function(f){f.preventDefault();var h=a(f.target).data("id"),i=c.call([{methodname:"tool_lp_list_courses_using_competency",args:{id:h}}]);i[0].done(function(a){b.render("tool_lp/linked_courses_summary",{courses:a}).done(function(a){e.get_string("linkedcourses","tool_lp").done(function(b){new g(b,a)}).fail(d.exception)}).fail(d.exception)}).fail(d.exception)};h.prototype._eventHandler=function(b,c){c.preventDefault();var d=this._findPlanData(a(c.target));this[b](d)};h.prototype._findPlanData=function(b){var c=b.parentsUntil(a(this._region).parent(),this._planNode),d;if(1!=c.length){throw new Error("The plan node was not located.")}d=c.data();if("undefined"==typeof d||"undefined"==typeof d.id){throw new Error("Plan data could not be found.")}return d};h.prototype.enhanceMenubar=function(a){f.enhance(a,{'[data-action="plan-delete"]':this._eventHandler.bind(this,"deletePlan"),'[data-action="plan-complete"]':this._eventHandler.bind(this,"completePlan"),'[data-action="plan-reopen"]':this._eventHandler.bind(this,"reopenPlan"),'[data-action="plan-unlink"]':this._eventHandler.bind(this,"unlinkPlan"),'[data-action="plan-request-review"]':this._eventHandler.bind(this,"requestReview"),'[data-action="plan-cancel-review-request"]':this._eventHandler.bind(this,"cancelReviewRequest"),'[data-action="plan-start-review"]':this._eventHandler.bind(this,"startReview"),'[data-action="plan-stop-review"]':this._eventHandler.bind(this,"stopReview"),'[data-action="plan-approve"]':this._eventHandler.bind(this,"approve"),'[data-action="plan-unapprove"]':this._eventHandler.bind(this,"unapprove")})};h.prototype.registerEvents=function(){var b=a(this._region);b.find("[data-action=\"plan-delete\"]").click(this._eventHandler.bind(this,"deletePlan"));b.find("[data-action=\"plan-complete\"]").click(this._eventHandler.bind(this,"completePlan"));b.find("[data-action=\"plan-reopen\"]").click(this._eventHandler.bind(this,"reopenPlan"));b.find("[data-action=\"plan-unlink\"]").click(this._eventHandler.bind(this,"unlinkPlan"));b.find("[data-action=\"plan-request-review\"]").click(this._eventHandler.bind(this,"requestReview"));b.find("[data-action=\"plan-cancel-review-request\"]").click(this._eventHandler.bind(this,"cancelReviewRequest"));b.find("[data-action=\"plan-start-review\"]").click(this._eventHandler.bind(this,"startReview"));b.find("[data-action=\"plan-stop-review\"]").click(this._eventHandler.bind(this,"stopReview"));b.find("[data-action=\"plan-approve\"]").click(this._eventHandler.bind(this,"approve"));b.find("[data-action=\"plan-unapprove\"]").click(this._eventHandler.bind(this,"unapprove"));b.find("[data-action=\"find-courses-link\"]").click(this._showLinkedCoursesHandler.bind(this))};return h});
-//# sourceMappingURL=planactions.min.js.map
+/**
+ * Plan actions via ajax.
+ *
+ * @module     tool_lp/planactions
+ * @package    tool_lp
+ * @copyright  2015 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/planactions",["jquery","core/templates","core/ajax","core/notification","core/str","tool_lp/menubar","tool_lp/dialogue"],(function($,templates,ajax,notification,str,Menubar,Dialogue){var PlanActions=function(type){if(this._type=type,"plan"===type)this._region='[data-region="plan-page"]',this._planNode='[data-region="plan-page"]',this._template="tool_lp/plan_page",this._contextMethod="tool_lp_data_for_plan_page";else{if("plans"!==type)throw new TypeError("Unexpected type.");this._region='[data-region="plans"]',this._planNode='[data-region="plan-node"]',this._template="tool_lp/plans_page",this._contextMethod="tool_lp_data_for_plans_page"}};return PlanActions.prototype._contextMethod=null,PlanActions.prototype._planNode=null,PlanActions.prototype._region=null,PlanActions.prototype._template=null,PlanActions.prototype._type=null,PlanActions.prototype._getContextArgs=function(planData){var args={};return"plan"===this._type?args={planid:planData.id}:"plans"===this._type&&(args={userid:planData.userid}),args},PlanActions.prototype.refresh=function(selector){var planData=this._findPlanData($(selector));this._callAndRefresh([],planData)},PlanActions.prototype._renderView=function(context){var self=this;return templates.render(self._template,context).then((function(newhtml,newjs){$(self._region).replaceWith(newhtml),templates.runTemplateJS(newjs)}))},PlanActions.prototype._callAndRefresh=function(calls,planData){var callKey="tool_lp/planactions:_callAndRefresh-"+Math.floor(Math.random()*Math.floor(1e3));M.util.js_pending(callKey);var self=this;return calls.push({methodname:self._contextMethod,args:self._getContextArgs(planData)}),$.when.apply($,ajax.call(calls)).then((function(){return self._renderView(arguments[arguments.length-1])})).fail(notification.exception).always((function(){return M.util.js_complete(callKey)}))},PlanActions.prototype._doDelete=function(planData){var calls=[{methodname:"core_competency_delete_plan",args:{id:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.deletePlan=function(planData){var self=this;ajax.call([{methodname:"core_competency_read_plan",args:{id:planData.id}}])[0].done((function(plan){str.get_strings([{key:"confirm",component:"moodle"},{key:"deleteplan",component:"tool_lp",param:plan.name},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){self._doDelete(planData)}))})).fail(notification.exception)})).fail(notification.exception)},PlanActions.prototype._doReopenPlan=function(planData){var calls=[{methodname:"core_competency_reopen_plan",args:{planid:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.reopenPlan=function(planData){var self=this;ajax.call([{methodname:"core_competency_read_plan",args:{id:planData.id}}])[0].done((function(plan){str.get_strings([{key:"confirm",component:"moodle"},{key:"reopenplanconfirm",component:"tool_lp",param:plan.name},{key:"reopenplan",component:"tool_lp"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){self._doReopenPlan(planData)}))})).fail(notification.exception)})).fail(notification.exception)},PlanActions.prototype._doCompletePlan=function(planData){var calls=[{methodname:"core_competency_complete_plan",args:{planid:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.completePlan=function(planData){var self=this;ajax.call([{methodname:"core_competency_read_plan",args:{id:planData.id}}])[0].done((function(plan){str.get_strings([{key:"confirm",component:"moodle"},{key:"completeplanconfirm",component:"tool_lp",param:plan.name},{key:"completeplan",component:"tool_lp"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){self._doCompletePlan(planData)}))})).fail(notification.exception)})).fail(notification.exception)},PlanActions.prototype._doUnlinkPlan=function(planData){var calls=[{methodname:"core_competency_unlink_plan_from_template",args:{planid:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.unlinkPlan=function(planData){var self=this;ajax.call([{methodname:"core_competency_read_plan",args:{id:planData.id}}])[0].done((function(plan){str.get_strings([{key:"confirm",component:"moodle"},{key:"unlinkplantemplateconfirm",component:"tool_lp",param:plan.name},{key:"unlinkplantemplate",component:"tool_lp"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){self._doUnlinkPlan(planData)}))})).fail(notification.exception)})).fail(notification.exception)},PlanActions.prototype._doRequestReview=function(planData){var calls=[{methodname:"core_competency_plan_request_review",args:{id:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.requestReview=function(planData){this._doRequestReview(planData)},PlanActions.prototype._doCancelReviewRequest=function(planData){var calls=[{methodname:"core_competency_plan_cancel_review_request",args:{id:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.cancelReviewRequest=function(planData){this._doCancelReviewRequest(planData)},PlanActions.prototype._doStartReview=function(planData){var calls=[{methodname:"core_competency_plan_start_review",args:{id:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.startReview=function(planData){this._doStartReview(planData)},PlanActions.prototype._doStopReview=function(planData){var calls=[{methodname:"core_competency_plan_stop_review",args:{id:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.stopReview=function(planData){this._doStopReview(planData)},PlanActions.prototype._doApprove=function(planData){var calls=[{methodname:"core_competency_approve_plan",args:{id:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.approve=function(planData){this._doApprove(planData)},PlanActions.prototype._doUnapprove=function(planData){var calls=[{methodname:"core_competency_unapprove_plan",args:{id:planData.id}}];this._callAndRefresh(calls,planData)},PlanActions.prototype.unapprove=function(planData){this._doUnapprove(planData)},PlanActions.prototype._showLinkedCoursesHandler=function(e){e.preventDefault();var competencyid=$(e.target).data("id");ajax.call([{methodname:"tool_lp_list_courses_using_competency",args:{id:competencyid}}])[0].done((function(courses){var context={courses:courses};templates.render("tool_lp/linked_courses_summary",context).done((function(html){str.get_string("linkedcourses","tool_lp").done((function(linkedcourses){new Dialogue(linkedcourses,html)})).fail(notification.exception)})).fail(notification.exception)})).fail(notification.exception)},PlanActions.prototype._eventHandler=function(method,e){e.preventDefault();var data=this._findPlanData($(e.target));this[method](data)},PlanActions.prototype._findPlanData=function(node){var data,parent=node.parentsUntil($(this._region).parent(),this._planNode);if(1!=parent.length)throw new Error("The plan node was not located.");if(void 0===(data=parent.data())||void 0===data.id)throw new Error("Plan data could not be found.");return data},PlanActions.prototype.enhanceMenubar=function(selector){Menubar.enhance(selector,{'[data-action="plan-delete"]':this._eventHandler.bind(this,"deletePlan"),'[data-action="plan-complete"]':this._eventHandler.bind(this,"completePlan"),'[data-action="plan-reopen"]':this._eventHandler.bind(this,"reopenPlan"),'[data-action="plan-unlink"]':this._eventHandler.bind(this,"unlinkPlan"),'[data-action="plan-request-review"]':this._eventHandler.bind(this,"requestReview"),'[data-action="plan-cancel-review-request"]':this._eventHandler.bind(this,"cancelReviewRequest"),'[data-action="plan-start-review"]':this._eventHandler.bind(this,"startReview"),'[data-action="plan-stop-review"]':this._eventHandler.bind(this,"stopReview"),'[data-action="plan-approve"]':this._eventHandler.bind(this,"approve"),'[data-action="plan-unapprove"]':this._eventHandler.bind(this,"unapprove")})},PlanActions.prototype.registerEvents=function(){var wrapper=$(this._region);wrapper.find('[data-action="plan-delete"]').click(this._eventHandler.bind(this,"deletePlan")),wrapper.find('[data-action="plan-complete"]').click(this._eventHandler.bind(this,"completePlan")),wrapper.find('[data-action="plan-reopen"]').click(this._eventHandler.bind(this,"reopenPlan")),wrapper.find('[data-action="plan-unlink"]').click(this._eventHandler.bind(this,"unlinkPlan")),wrapper.find('[data-action="plan-request-review"]').click(this._eventHandler.bind(this,"requestReview")),wrapper.find('[data-action="plan-cancel-review-request"]').click(this._eventHandler.bind(this,"cancelReviewRequest")),wrapper.find('[data-action="plan-start-review"]').click(this._eventHandler.bind(this,"startReview")),wrapper.find('[data-action="plan-stop-review"]').click(this._eventHandler.bind(this,"stopReview")),wrapper.find('[data-action="plan-approve"]').click(this._eventHandler.bind(this,"approve")),wrapper.find('[data-action="plan-unapprove"]').click(this._eventHandler.bind(this,"unapprove")),wrapper.find('[data-action="find-courses-link"]').click(this._showLinkedCoursesHandler.bind(this))},PlanActions}));
+
+//# sourceMappingURL=planactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/planactions.min.js.map b/admin/tool/lp/amd/build/planactions.min.js.map
index 5fcba7c5e34..7a87fe1a04b 100644
--- a/admin/tool/lp/amd/build/planactions.min.js.map
+++ b/admin/tool/lp/amd/build/planactions.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Plan actions via ajax.\n *\n * @module     tool_lp/planactions\n * @package    tool_lp\n * @copyright  2015 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/templates',\n        'core/ajax',\n        'core/notification',\n        'core/str',\n        'tool_lp/menubar',\n        'tool_lp/dialogue'],\n        function($, templates, ajax, notification, str, Menubar, Dialogue) {\n\n    /**\n     * PlanActions class.\n     *\n     * Note that presently this cannot be instantiated more than once per page.\n     *\n     * @param {String} type The type of page we're in.\n     */\n    var PlanActions = function(type) {\n        this._type = type;\n\n        if (type === 'plan') {\n            // This is the page to view one plan.\n            this._region = '[data-region=\"plan-page\"]';\n            this._planNode = '[data-region=\"plan-page\"]';\n            this._template = 'tool_lp/plan_page';\n            this._contextMethod = 'tool_lp_data_for_plan_page';\n\n        } else if (type === 'plans') {\n            // This is the page to view a list of plans.\n            this._region = '[data-region=\"plans\"]';\n            this._planNode = '[data-region=\"plan-node\"]';\n            this._template = 'tool_lp/plans_page';\n            this._contextMethod = 'tool_lp_data_for_plans_page';\n\n        } else {\n            throw new TypeError('Unexpected type.');\n        }\n    };\n\n    /** @type {String} Ajax method to fetch the page data from. */\n    PlanActions.prototype._contextMethod = null;\n    /** @type {String} Selector to find the node describing the plan. */\n    PlanActions.prototype._planNode = null;\n    /** @type {String} Selector mapping to the region to update. Usually similar to wrapper. */\n    PlanActions.prototype._region = null;\n    /** @type {String} Name of the template used to render the region. */\n    PlanActions.prototype._template = null;\n    /** @type {String} Type of page/region we're in. */\n    PlanActions.prototype._type = null;\n\n    /**\n     * Resolve the arguments to refresh the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @return {Object} List of arguments.\n     */\n    PlanActions.prototype._getContextArgs = function(planData) {\n        var self = this,\n            args = {};\n\n        if (self._type === 'plan') {\n            args = {\n                planid: planData.id\n            };\n\n        } else if (self._type === 'plans') {\n            args = {\n                userid: planData.userid\n            };\n        }\n\n        return args;\n    };\n\n    /**\n     * Refresh the plan view.\n     *\n     * This is useful when you only want to refresh the view.\n     *\n     * @param  {String} selector The node to search the plan data from.\n     */\n    PlanActions.prototype.refresh = function(selector) {\n        var planData = this._findPlanData($(selector));\n        this._callAndRefresh([], planData);\n    };\n\n    /**\n     * Callback to render the region template.\n     *\n     * @param {Object} context The context for the template.\n     * @return {Promise}\n     */\n    PlanActions.prototype._renderView = function(context) {\n        var self = this;\n        return templates.render(self._template, context)\n            .then(function(newhtml, newjs) {\n                $(self._region).replaceWith(newhtml);\n                templates.runTemplateJS(newjs);\n                return;\n            });\n    };\n\n    /**\n     * Call multiple ajax methods, and refresh.\n     *\n     * @param  {Array}  calls    List of Ajax calls.\n     * @param  {Object} planData Plan data from plan node.\n     * @return {Promise}\n     */\n    PlanActions.prototype._callAndRefresh = function(calls, planData) {\n        // Because this function causes a refresh, we must track the JS completion from start to finish to prevent\n        // stale reference issues in Behat.\n        var callKey = 'tool_lp/planactions:_callAndRefresh-' + Math.floor(Math.random() * Math.floor(1000));\n        M.util.js_pending(callKey);\n\n        var self = this;\n        calls.push({\n            methodname: self._contextMethod,\n            args: self._getContextArgs(planData)\n        });\n\n        // Apply all the promises, and refresh when the last one is resolved.\n        return $.when.apply($, ajax.call(calls))\n            .then(function() {\n                return self._renderView(arguments[arguments.length - 1]);\n            })\n            .fail(notification.exception)\n            .always(function() {\n                return M.util.js_complete(callKey);\n            });\n    };\n\n    /**\n     * Delete a plan and reload the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype._doDelete = function(planData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_delete_plan',\n                args: {id: planData.id}\n            }];\n        self._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Delete a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype.deletePlan = function(planData) {\n        var self = this,\n            requests;\n\n        requests = ajax.call([{\n            methodname: 'core_competency_read_plan',\n            args: {id: planData.id}\n        }]);\n\n        requests[0].done(function(plan) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'deleteplan', component: 'tool_lp', param: plan.name},\n                {key: 'delete', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Delete plan X?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doDelete(planData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Reopen plan and reload the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype._doReopenPlan = function(planData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_reopen_plan',\n                args: {planid: planData.id}\n            }];\n        self._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Reopen a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype.reopenPlan = function(planData) {\n        var self = this,\n            requests = ajax.call([{\n                methodname: 'core_competency_read_plan',\n                args: {id: planData.id}\n            }]);\n\n        requests[0].done(function(plan) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'reopenplanconfirm', component: 'tool_lp', param: plan.name},\n                {key: 'reopenplan', component: 'tool_lp'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Reopen plan X?\n                    strings[2], // Reopen.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doReopenPlan(planData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Complete plan and reload the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype._doCompletePlan = function(planData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_complete_plan',\n                args: {planid: planData.id}\n            }];\n        self._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Complete a plan process.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype.completePlan = function(planData) {\n        var self = this,\n            requests = ajax.call([{\n                methodname: 'core_competency_read_plan',\n                args: {id: planData.id}\n            }]);\n\n        requests[0].done(function(plan) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'completeplanconfirm', component: 'tool_lp', param: plan.name},\n                {key: 'completeplan', component: 'tool_lp'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Complete plan X?\n                    strings[2], // Complete.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doCompletePlan(planData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Unlink plan and reload the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype._doUnlinkPlan = function(planData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_unlink_plan_from_template',\n                args: {planid: planData.id}\n            }];\n        self._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Unlink a plan process.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype.unlinkPlan = function(planData) {\n        var self = this,\n            requests = ajax.call([{\n                methodname: 'core_competency_read_plan',\n                args: {id: planData.id}\n            }]);\n\n        requests[0].done(function(plan) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'unlinkplantemplateconfirm', component: 'tool_lp', param: plan.name},\n                {key: 'unlinkplantemplate', component: 'tool_lp'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Unlink plan X?\n                    strings[2], // Unlink.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doUnlinkPlan(planData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Request review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doRequestReview\n     */\n    PlanActions.prototype._doRequestReview = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_plan_request_review',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Request review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method requestReview\n     */\n    PlanActions.prototype.requestReview = function(planData) {\n        this._doRequestReview(planData);\n    };\n\n    /**\n     * Cancel review request of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doCancelReviewRequest\n     */\n    PlanActions.prototype._doCancelReviewRequest = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_plan_cancel_review_request',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Cancel review request of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method cancelReviewRequest\n     */\n    PlanActions.prototype.cancelReviewRequest = function(planData) {\n        this._doCancelReviewRequest(planData);\n    };\n\n    /**\n     * Start review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doStartReview\n     */\n    PlanActions.prototype._doStartReview = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_plan_start_review',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Start review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method startReview\n     */\n    PlanActions.prototype.startReview = function(planData) {\n        this._doStartReview(planData);\n    };\n\n    /**\n     * Stop review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doStopReview\n     */\n    PlanActions.prototype._doStopReview = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_plan_stop_review',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Stop review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method stopReview\n     */\n    PlanActions.prototype.stopReview = function(planData) {\n        this._doStopReview(planData);\n    };\n\n    /**\n     * Approve a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doApprove\n     */\n    PlanActions.prototype._doApprove = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_approve_plan',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Approve a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method approve\n     */\n    PlanActions.prototype.approve = function(planData) {\n        this._doApprove(planData);\n    };\n\n    /**\n     * Unapprove a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doUnapprove\n     */\n    PlanActions.prototype._doUnapprove = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_unapprove_plan',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Unapprove a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method unapprove\n     */\n    PlanActions.prototype.unapprove = function(planData) {\n        this._doUnapprove(planData);\n    };\n\n    /**\n     * Display list of linked courses on a modal dialogue.\n     *\n     * @param  {Event} e The event.\n     */\n    PlanActions.prototype._showLinkedCoursesHandler = function(e) {\n        e.preventDefault();\n\n        var competencyid = $(e.target).data('id');\n        var requests = ajax.call([{\n            methodname: 'tool_lp_list_courses_using_competency',\n            args: {id: competencyid}\n        }]);\n\n        requests[0].done(function(courses) {\n            var context = {\n                courses: courses\n            };\n            templates.render('tool_lp/linked_courses_summary', context).done(function(html) {\n                str.get_string('linkedcourses', 'tool_lp').done(function(linkedcourses) {\n                    new Dialogue(\n                        linkedcourses, // Title.\n                        html // The linked courses.\n                    );\n                }).fail(notification.exception);\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Plan event handler.\n     *\n     * @param  {String} method The method to call.\n     * @param  {Event} e The event.\n     * @method _eventHandler\n     */\n    PlanActions.prototype._eventHandler = function(method, e) {\n        e.preventDefault();\n        var data = this._findPlanData($(e.target));\n        this[method](data);\n    };\n\n    /**\n     * Find the plan data from the plan node.\n     *\n     * @param  {Node} node The node to search from.\n     * @return {Object} Plan data.\n     */\n    PlanActions.prototype._findPlanData = function(node) {\n        var parent = node.parentsUntil($(this._region).parent(), this._planNode),\n            data;\n\n        if (parent.length != 1) {\n            throw new Error('The plan node was not located.');\n        }\n\n        data = parent.data();\n        if (typeof data === 'undefined' || typeof data.id === 'undefined') {\n            throw new Error('Plan data could not be found.');\n        }\n\n        return data;\n    };\n\n    /**\n     * Enhance a menu bar.\n     *\n     * @param  {String} selector Menubar selector.\n     */\n    PlanActions.prototype.enhanceMenubar = function(selector) {\n        Menubar.enhance(selector, {\n            '[data-action=\"plan-delete\"]': this._eventHandler.bind(this, 'deletePlan'),\n            '[data-action=\"plan-complete\"]': this._eventHandler.bind(this, 'completePlan'),\n            '[data-action=\"plan-reopen\"]': this._eventHandler.bind(this, 'reopenPlan'),\n            '[data-action=\"plan-unlink\"]': this._eventHandler.bind(this, 'unlinkPlan'),\n            '[data-action=\"plan-request-review\"]': this._eventHandler.bind(this, 'requestReview'),\n            '[data-action=\"plan-cancel-review-request\"]': this._eventHandler.bind(this, 'cancelReviewRequest'),\n            '[data-action=\"plan-start-review\"]': this._eventHandler.bind(this, 'startReview'),\n            '[data-action=\"plan-stop-review\"]': this._eventHandler.bind(this, 'stopReview'),\n            '[data-action=\"plan-approve\"]': this._eventHandler.bind(this, 'approve'),\n            '[data-action=\"plan-unapprove\"]': this._eventHandler.bind(this, 'unapprove'),\n        });\n    };\n\n    /**\n     * Register the events in the region.\n     *\n     * At this stage this cannot be used with enhanceMenubar or multiple handlers\n     * will be added to the same node.\n     */\n    PlanActions.prototype.registerEvents = function() {\n        var wrapper = $(this._region);\n\n        wrapper.find('[data-action=\"plan-delete\"]').click(this._eventHandler.bind(this, 'deletePlan'));\n        wrapper.find('[data-action=\"plan-complete\"]').click(this._eventHandler.bind(this, 'completePlan'));\n        wrapper.find('[data-action=\"plan-reopen\"]').click(this._eventHandler.bind(this, 'reopenPlan'));\n        wrapper.find('[data-action=\"plan-unlink\"]').click(this._eventHandler.bind(this, 'unlinkPlan'));\n\n        wrapper.find('[data-action=\"plan-request-review\"]').click(this._eventHandler.bind(this, 'requestReview'));\n        wrapper.find('[data-action=\"plan-cancel-review-request\"]').click(this._eventHandler.bind(this, 'cancelReviewRequest'));\n        wrapper.find('[data-action=\"plan-start-review\"]').click(this._eventHandler.bind(this, 'startReview'));\n        wrapper.find('[data-action=\"plan-stop-review\"]').click(this._eventHandler.bind(this, 'stopReview'));\n        wrapper.find('[data-action=\"plan-approve\"]').click(this._eventHandler.bind(this, 'approve'));\n        wrapper.find('[data-action=\"plan-unapprove\"]').click(this._eventHandler.bind(this, 'unapprove'));\n\n        wrapper.find('[data-action=\"find-courses-link\"]').click(this._showLinkedCoursesHandler.bind(this));\n    };\n\n    return PlanActions;\n});\n"],"file":"planactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"planactions.min.js","sources":["../src/planactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Plan actions via ajax.\n *\n * @module     tool_lp/planactions\n * @package    tool_lp\n * @copyright  2015 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/templates',\n        'core/ajax',\n        'core/notification',\n        'core/str',\n        'tool_lp/menubar',\n        'tool_lp/dialogue'],\n        function($, templates, ajax, notification, str, Menubar, Dialogue) {\n\n    /**\n     * PlanActions class.\n     *\n     * Note that presently this cannot be instantiated more than once per page.\n     *\n     * @param {String} type The type of page we're in.\n     */\n    var PlanActions = function(type) {\n        this._type = type;\n\n        if (type === 'plan') {\n            // This is the page to view one plan.\n            this._region = '[data-region=\"plan-page\"]';\n            this._planNode = '[data-region=\"plan-page\"]';\n            this._template = 'tool_lp/plan_page';\n            this._contextMethod = 'tool_lp_data_for_plan_page';\n\n        } else if (type === 'plans') {\n            // This is the page to view a list of plans.\n            this._region = '[data-region=\"plans\"]';\n            this._planNode = '[data-region=\"plan-node\"]';\n            this._template = 'tool_lp/plans_page';\n            this._contextMethod = 'tool_lp_data_for_plans_page';\n\n        } else {\n            throw new TypeError('Unexpected type.');\n        }\n    };\n\n    /** @type {String} Ajax method to fetch the page data from. */\n    PlanActions.prototype._contextMethod = null;\n    /** @type {String} Selector to find the node describing the plan. */\n    PlanActions.prototype._planNode = null;\n    /** @type {String} Selector mapping to the region to update. Usually similar to wrapper. */\n    PlanActions.prototype._region = null;\n    /** @type {String} Name of the template used to render the region. */\n    PlanActions.prototype._template = null;\n    /** @type {String} Type of page/region we're in. */\n    PlanActions.prototype._type = null;\n\n    /**\n     * Resolve the arguments to refresh the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @return {Object} List of arguments.\n     */\n    PlanActions.prototype._getContextArgs = function(planData) {\n        var self = this,\n            args = {};\n\n        if (self._type === 'plan') {\n            args = {\n                planid: planData.id\n            };\n\n        } else if (self._type === 'plans') {\n            args = {\n                userid: planData.userid\n            };\n        }\n\n        return args;\n    };\n\n    /**\n     * Refresh the plan view.\n     *\n     * This is useful when you only want to refresh the view.\n     *\n     * @param  {String} selector The node to search the plan data from.\n     */\n    PlanActions.prototype.refresh = function(selector) {\n        var planData = this._findPlanData($(selector));\n        this._callAndRefresh([], planData);\n    };\n\n    /**\n     * Callback to render the region template.\n     *\n     * @param {Object} context The context for the template.\n     * @return {Promise}\n     */\n    PlanActions.prototype._renderView = function(context) {\n        var self = this;\n        return templates.render(self._template, context)\n            .then(function(newhtml, newjs) {\n                $(self._region).replaceWith(newhtml);\n                templates.runTemplateJS(newjs);\n                return;\n            });\n    };\n\n    /**\n     * Call multiple ajax methods, and refresh.\n     *\n     * @param  {Array}  calls    List of Ajax calls.\n     * @param  {Object} planData Plan data from plan node.\n     * @return {Promise}\n     */\n    PlanActions.prototype._callAndRefresh = function(calls, planData) {\n        // Because this function causes a refresh, we must track the JS completion from start to finish to prevent\n        // stale reference issues in Behat.\n        var callKey = 'tool_lp/planactions:_callAndRefresh-' + Math.floor(Math.random() * Math.floor(1000));\n        M.util.js_pending(callKey);\n\n        var self = this;\n        calls.push({\n            methodname: self._contextMethod,\n            args: self._getContextArgs(planData)\n        });\n\n        // Apply all the promises, and refresh when the last one is resolved.\n        return $.when.apply($, ajax.call(calls))\n            .then(function() {\n                return self._renderView(arguments[arguments.length - 1]);\n            })\n            .fail(notification.exception)\n            .always(function() {\n                return M.util.js_complete(callKey);\n            });\n    };\n\n    /**\n     * Delete a plan and reload the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype._doDelete = function(planData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_delete_plan',\n                args: {id: planData.id}\n            }];\n        self._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Delete a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype.deletePlan = function(planData) {\n        var self = this,\n            requests;\n\n        requests = ajax.call([{\n            methodname: 'core_competency_read_plan',\n            args: {id: planData.id}\n        }]);\n\n        requests[0].done(function(plan) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'deleteplan', component: 'tool_lp', param: plan.name},\n                {key: 'delete', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Delete plan X?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doDelete(planData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Reopen plan and reload the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype._doReopenPlan = function(planData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_reopen_plan',\n                args: {planid: planData.id}\n            }];\n        self._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Reopen a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype.reopenPlan = function(planData) {\n        var self = this,\n            requests = ajax.call([{\n                methodname: 'core_competency_read_plan',\n                args: {id: planData.id}\n            }]);\n\n        requests[0].done(function(plan) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'reopenplanconfirm', component: 'tool_lp', param: plan.name},\n                {key: 'reopenplan', component: 'tool_lp'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Reopen plan X?\n                    strings[2], // Reopen.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doReopenPlan(planData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Complete plan and reload the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype._doCompletePlan = function(planData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_complete_plan',\n                args: {planid: planData.id}\n            }];\n        self._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Complete a plan process.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype.completePlan = function(planData) {\n        var self = this,\n            requests = ajax.call([{\n                methodname: 'core_competency_read_plan',\n                args: {id: planData.id}\n            }]);\n\n        requests[0].done(function(plan) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'completeplanconfirm', component: 'tool_lp', param: plan.name},\n                {key: 'completeplan', component: 'tool_lp'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Complete plan X?\n                    strings[2], // Complete.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doCompletePlan(planData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Unlink plan and reload the region.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype._doUnlinkPlan = function(planData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_unlink_plan_from_template',\n                args: {planid: planData.id}\n            }];\n        self._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Unlink a plan process.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     */\n    PlanActions.prototype.unlinkPlan = function(planData) {\n        var self = this,\n            requests = ajax.call([{\n                methodname: 'core_competency_read_plan',\n                args: {id: planData.id}\n            }]);\n\n        requests[0].done(function(plan) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'unlinkplantemplateconfirm', component: 'tool_lp', param: plan.name},\n                {key: 'unlinkplantemplate', component: 'tool_lp'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Unlink plan X?\n                    strings[2], // Unlink.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doUnlinkPlan(planData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Request review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doRequestReview\n     */\n    PlanActions.prototype._doRequestReview = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_plan_request_review',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Request review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method requestReview\n     */\n    PlanActions.prototype.requestReview = function(planData) {\n        this._doRequestReview(planData);\n    };\n\n    /**\n     * Cancel review request of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doCancelReviewRequest\n     */\n    PlanActions.prototype._doCancelReviewRequest = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_plan_cancel_review_request',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Cancel review request of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method cancelReviewRequest\n     */\n    PlanActions.prototype.cancelReviewRequest = function(planData) {\n        this._doCancelReviewRequest(planData);\n    };\n\n    /**\n     * Start review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doStartReview\n     */\n    PlanActions.prototype._doStartReview = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_plan_start_review',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Start review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method startReview\n     */\n    PlanActions.prototype.startReview = function(planData) {\n        this._doStartReview(planData);\n    };\n\n    /**\n     * Stop review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doStopReview\n     */\n    PlanActions.prototype._doStopReview = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_plan_stop_review',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Stop review of a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method stopReview\n     */\n    PlanActions.prototype.stopReview = function(planData) {\n        this._doStopReview(planData);\n    };\n\n    /**\n     * Approve a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doApprove\n     */\n    PlanActions.prototype._doApprove = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_approve_plan',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Approve a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method approve\n     */\n    PlanActions.prototype.approve = function(planData) {\n        this._doApprove(planData);\n    };\n\n    /**\n     * Unapprove a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method _doUnapprove\n     */\n    PlanActions.prototype._doUnapprove = function(planData) {\n        var calls = [{\n            methodname: 'core_competency_unapprove_plan',\n            args: {\n                id: planData.id\n            }\n        }];\n        this._callAndRefresh(calls, planData);\n    };\n\n    /**\n     * Unapprove a plan.\n     *\n     * @param  {Object} planData Plan data from plan node.\n     * @method unapprove\n     */\n    PlanActions.prototype.unapprove = function(planData) {\n        this._doUnapprove(planData);\n    };\n\n    /**\n     * Display list of linked courses on a modal dialogue.\n     *\n     * @param  {Event} e The event.\n     */\n    PlanActions.prototype._showLinkedCoursesHandler = function(e) {\n        e.preventDefault();\n\n        var competencyid = $(e.target).data('id');\n        var requests = ajax.call([{\n            methodname: 'tool_lp_list_courses_using_competency',\n            args: {id: competencyid}\n        }]);\n\n        requests[0].done(function(courses) {\n            var context = {\n                courses: courses\n            };\n            templates.render('tool_lp/linked_courses_summary', context).done(function(html) {\n                str.get_string('linkedcourses', 'tool_lp').done(function(linkedcourses) {\n                    new Dialogue(\n                        linkedcourses, // Title.\n                        html // The linked courses.\n                    );\n                }).fail(notification.exception);\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Plan event handler.\n     *\n     * @param  {String} method The method to call.\n     * @param  {Event} e The event.\n     * @method _eventHandler\n     */\n    PlanActions.prototype._eventHandler = function(method, e) {\n        e.preventDefault();\n        var data = this._findPlanData($(e.target));\n        this[method](data);\n    };\n\n    /**\n     * Find the plan data from the plan node.\n     *\n     * @param  {Node} node The node to search from.\n     * @return {Object} Plan data.\n     */\n    PlanActions.prototype._findPlanData = function(node) {\n        var parent = node.parentsUntil($(this._region).parent(), this._planNode),\n            data;\n\n        if (parent.length != 1) {\n            throw new Error('The plan node was not located.');\n        }\n\n        data = parent.data();\n        if (typeof data === 'undefined' || typeof data.id === 'undefined') {\n            throw new Error('Plan data could not be found.');\n        }\n\n        return data;\n    };\n\n    /**\n     * Enhance a menu bar.\n     *\n     * @param  {String} selector Menubar selector.\n     */\n    PlanActions.prototype.enhanceMenubar = function(selector) {\n        Menubar.enhance(selector, {\n            '[data-action=\"plan-delete\"]': this._eventHandler.bind(this, 'deletePlan'),\n            '[data-action=\"plan-complete\"]': this._eventHandler.bind(this, 'completePlan'),\n            '[data-action=\"plan-reopen\"]': this._eventHandler.bind(this, 'reopenPlan'),\n            '[data-action=\"plan-unlink\"]': this._eventHandler.bind(this, 'unlinkPlan'),\n            '[data-action=\"plan-request-review\"]': this._eventHandler.bind(this, 'requestReview'),\n            '[data-action=\"plan-cancel-review-request\"]': this._eventHandler.bind(this, 'cancelReviewRequest'),\n            '[data-action=\"plan-start-review\"]': this._eventHandler.bind(this, 'startReview'),\n            '[data-action=\"plan-stop-review\"]': this._eventHandler.bind(this, 'stopReview'),\n            '[data-action=\"plan-approve\"]': this._eventHandler.bind(this, 'approve'),\n            '[data-action=\"plan-unapprove\"]': this._eventHandler.bind(this, 'unapprove'),\n        });\n    };\n\n    /**\n     * Register the events in the region.\n     *\n     * At this stage this cannot be used with enhanceMenubar or multiple handlers\n     * will be added to the same node.\n     */\n    PlanActions.prototype.registerEvents = function() {\n        var wrapper = $(this._region);\n\n        wrapper.find('[data-action=\"plan-delete\"]').click(this._eventHandler.bind(this, 'deletePlan'));\n        wrapper.find('[data-action=\"plan-complete\"]').click(this._eventHandler.bind(this, 'completePlan'));\n        wrapper.find('[data-action=\"plan-reopen\"]').click(this._eventHandler.bind(this, 'reopenPlan'));\n        wrapper.find('[data-action=\"plan-unlink\"]').click(this._eventHandler.bind(this, 'unlinkPlan'));\n\n        wrapper.find('[data-action=\"plan-request-review\"]').click(this._eventHandler.bind(this, 'requestReview'));\n        wrapper.find('[data-action=\"plan-cancel-review-request\"]').click(this._eventHandler.bind(this, 'cancelReviewRequest'));\n        wrapper.find('[data-action=\"plan-start-review\"]').click(this._eventHandler.bind(this, 'startReview'));\n        wrapper.find('[data-action=\"plan-stop-review\"]').click(this._eventHandler.bind(this, 'stopReview'));\n        wrapper.find('[data-action=\"plan-approve\"]').click(this._eventHandler.bind(this, 'approve'));\n        wrapper.find('[data-action=\"plan-unapprove\"]').click(this._eventHandler.bind(this, 'unapprove'));\n\n        wrapper.find('[data-action=\"find-courses-link\"]').click(this._showLinkedCoursesHandler.bind(this));\n    };\n\n    return PlanActions;\n});\n"],"names":["define","$","templates","ajax","notification","str","Menubar","Dialogue","PlanActions","type","_type","_region","_planNode","_template","_contextMethod","TypeError","prototype","_getContextArgs","planData","args","this","planid","id","userid","refresh","selector","_findPlanData","_callAndRefresh","_renderView","context","self","render","then","newhtml","newjs","replaceWith","runTemplateJS","calls","callKey","Math","floor","random","M","util","js_pending","push","methodname","when","apply","call","arguments","length","fail","exception","always","js_complete","_doDelete","deletePlan","done","plan","get_strings","key","component","param","name","strings","confirm","_doReopenPlan","reopenPlan","_doCompletePlan","completePlan","_doUnlinkPlan","unlinkPlan","_doRequestReview","requestReview","_doCancelReviewRequest","cancelReviewRequest","_doStartReview","startReview","_doStopReview","stopReview","_doApprove","approve","_doUnapprove","unapprove","_showLinkedCoursesHandler","e","preventDefault","competencyid","target","data","courses","html","get_string","linkedcourses","_eventHandler","method","node","parent","parentsUntil","Error","enhanceMenubar","enhance","bind","registerEvents","wrapper","find","click"],"mappings":";;;;;;;;AAuBAA,6BAAO,CAAC,SACA,iBACA,YACA,oBACA,WACA,kBACA,qBACA,SAASC,EAAGC,UAAWC,KAAMC,aAAcC,IAAKC,QAASC,cASzDC,YAAc,SAASC,cAClBC,MAAQD,KAEA,SAATA,UAEKE,QAAU,iCACVC,UAAY,iCACZC,UAAY,yBACZC,eAAiB,iCAEnB,CAAA,GAAa,UAATL,WAQD,IAAIM,UAAU,yBANfJ,QAAU,6BACVC,UAAY,iCACZC,UAAY,0BACZC,eAAiB,uCAQ9BN,YAAYQ,UAAUF,eAAiB,KAEvCN,YAAYQ,UAAUJ,UAAY,KAElCJ,YAAYQ,UAAUL,QAAU,KAEhCH,YAAYQ,UAAUH,UAAY,KAElCL,YAAYQ,UAAUN,MAAQ,KAQ9BF,YAAYQ,UAAUC,gBAAkB,SAASC,cAEzCC,KAAO,SAEQ,SAHRC,KAGFV,MACLS,KAAO,CACHE,OAAQH,SAASI,IAGC,UARfF,KAQKV,QACZS,KAAO,CACHI,OAAQL,SAASK,SAIlBJ,MAUXX,YAAYQ,UAAUQ,QAAU,SAASC,cACjCP,SAAWE,KAAKM,cAAczB,EAAEwB,gBAC/BE,gBAAgB,GAAIT,WAS7BV,YAAYQ,UAAUY,YAAc,SAASC,aACrCC,KAAOV,YACJlB,UAAU6B,OAAOD,KAAKjB,UAAWgB,SACnCG,MAAK,SAASC,QAASC,OACpBjC,EAAE6B,KAAKnB,SAASwB,YAAYF,SAC5B/B,UAAUkC,cAAcF,WAYpC1B,YAAYQ,UAAUW,gBAAkB,SAASU,MAAOnB,cAGhDoB,QAAU,uCAAyCC,KAAKC,MAAMD,KAAKE,SAAWF,KAAKC,MAAM,MAC7FE,EAAEC,KAAKC,WAAWN,aAEdR,KAAOV,YACXiB,MAAMQ,KAAK,CACPC,WAAYhB,KAAKhB,eACjBK,KAAMW,KAAKb,gBAAgBC,YAIxBjB,EAAE8C,KAAKC,MAAM/C,EAAGE,KAAK8C,KAAKZ,QAC5BL,MAAK,kBACKF,KAAKF,YAAYsB,UAAUA,UAAUC,OAAS,OAExDC,KAAKhD,aAAaiD,WAClBC,QAAO,kBACGZ,EAAEC,KAAKY,YAAYjB,aAStC9B,YAAYQ,UAAUwC,UAAY,SAAStC,cAEnCmB,MAAQ,CAAC,CACLS,WAAY,8BACZ3B,KAAM,CAACG,GAAIJ,SAASI,MAHjBF,KAKNO,gBAAgBU,MAAOnB,WAQhCV,YAAYQ,UAAUyC,WAAa,SAASvC,cACpCY,KAAOV,KAGAjB,KAAK8C,KAAK,CAAC,CAClBH,WAAY,4BACZ3B,KAAM,CAACG,GAAIJ,SAASI,OAGf,GAAGoC,MAAK,SAASC,MACtBtD,IAAIuD,YAAY,CACZ,CAACC,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,aAAcC,UAAW,UAAWC,MAAOJ,KAAKK,MACtD,CAACH,IAAK,SAAUC,UAAW,UAC3B,CAACD,IAAK,SAAUC,UAAW,YAC5BJ,MAAK,SAASO,SACb7D,aAAa8D,QACTD,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRA,QAAQ,IACR,WACInC,KAAK0B,UAAUtC,gBAGxBkC,KAAKhD,aAAaiD,cACtBD,KAAKhD,aAAaiD,YASzB7C,YAAYQ,UAAUmD,cAAgB,SAASjD,cAEvCmB,MAAQ,CAAC,CACLS,WAAY,8BACZ3B,KAAM,CAACE,OAAQH,SAASI,MAHrBF,KAKNO,gBAAgBU,MAAOnB,WAQhCV,YAAYQ,UAAUoD,WAAa,SAASlD,cACpCY,KAAOV,KACIjB,KAAK8C,KAAK,CAAC,CAClBH,WAAY,4BACZ3B,KAAM,CAACG,GAAIJ,SAASI,OAGnB,GAAGoC,MAAK,SAASC,MACtBtD,IAAIuD,YAAY,CACZ,CAACC,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,oBAAqBC,UAAW,UAAWC,MAAOJ,KAAKK,MAC7D,CAACH,IAAK,aAAcC,UAAW,WAC/B,CAACD,IAAK,SAAUC,UAAW,YAC5BJ,MAAK,SAASO,SACb7D,aAAa8D,QACTD,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRA,QAAQ,IACR,WACInC,KAAKqC,cAAcjD,gBAG5BkC,KAAKhD,aAAaiD,cACtBD,KAAKhD,aAAaiD,YASzB7C,YAAYQ,UAAUqD,gBAAkB,SAASnD,cAEzCmB,MAAQ,CAAC,CACLS,WAAY,gCACZ3B,KAAM,CAACE,OAAQH,SAASI,MAHrBF,KAKNO,gBAAgBU,MAAOnB,WAQhCV,YAAYQ,UAAUsD,aAAe,SAASpD,cACtCY,KAAOV,KACIjB,KAAK8C,KAAK,CAAC,CAClBH,WAAY,4BACZ3B,KAAM,CAACG,GAAIJ,SAASI,OAGnB,GAAGoC,MAAK,SAASC,MACtBtD,IAAIuD,YAAY,CACZ,CAACC,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,sBAAuBC,UAAW,UAAWC,MAAOJ,KAAKK,MAC/D,CAACH,IAAK,eAAgBC,UAAW,WACjC,CAACD,IAAK,SAAUC,UAAW,YAC5BJ,MAAK,SAASO,SACb7D,aAAa8D,QACTD,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRA,QAAQ,IACR,WACInC,KAAKuC,gBAAgBnD,gBAG9BkC,KAAKhD,aAAaiD,cACtBD,KAAKhD,aAAaiD,YAQzB7C,YAAYQ,UAAUuD,cAAgB,SAASrD,cAEvCmB,MAAQ,CAAC,CACLS,WAAY,4CACZ3B,KAAM,CAACE,OAAQH,SAASI,MAHrBF,KAKNO,gBAAgBU,MAAOnB,WAQhCV,YAAYQ,UAAUwD,WAAa,SAAStD,cACpCY,KAAOV,KACIjB,KAAK8C,KAAK,CAAC,CAClBH,WAAY,4BACZ3B,KAAM,CAACG,GAAIJ,SAASI,OAGnB,GAAGoC,MAAK,SAASC,MACtBtD,IAAIuD,YAAY,CACZ,CAACC,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,4BAA6BC,UAAW,UAAWC,MAAOJ,KAAKK,MACrE,CAACH,IAAK,qBAAsBC,UAAW,WACvC,CAACD,IAAK,SAAUC,UAAW,YAC5BJ,MAAK,SAASO,SACb7D,aAAa8D,QACTD,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRA,QAAQ,IACR,WACInC,KAAKyC,cAAcrD,gBAG5BkC,KAAKhD,aAAaiD,cACtBD,KAAKhD,aAAaiD,YASzB7C,YAAYQ,UAAUyD,iBAAmB,SAASvD,cAC1CmB,MAAQ,CAAC,CACTS,WAAY,sCACZ3B,KAAM,CACFG,GAAIJ,SAASI,WAGhBK,gBAAgBU,MAAOnB,WAShCV,YAAYQ,UAAU0D,cAAgB,SAASxD,eACtCuD,iBAAiBvD,WAS1BV,YAAYQ,UAAU2D,uBAAyB,SAASzD,cAChDmB,MAAQ,CAAC,CACTS,WAAY,6CACZ3B,KAAM,CACFG,GAAIJ,SAASI,WAGhBK,gBAAgBU,MAAOnB,WAShCV,YAAYQ,UAAU4D,oBAAsB,SAAS1D,eAC5CyD,uBAAuBzD,WAShCV,YAAYQ,UAAU6D,eAAiB,SAAS3D,cACx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\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/scaleconfig.min.js b/admin/tool/lp/amd/build/scaleconfig.min.js
index 3e275c29b91..7ddc4a1822f 100644
--- a/admin/tool/lp/amd/build/scaleconfig.min.js
+++ b/admin/tool/lp/amd/build/scaleconfig.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/scaleconfig",["jquery","core/notification","core/templates","core/ajax","tool_lp/dialogue","tool_lp/scalevalues"],function(a,b,c,d,e,f){var g=function(b,c,d){this.selectSelector=b;this.inputSelector=c;this.triggerSelector=d;this.originalscaleid=a(b).val();a(b).on("change",this.scaleChangeHandler.bind(this)).change();a(d).click(this.showConfig.bind(this))};g.prototype.selectSelector=null;g.prototype.inputSelector=null;g.prototype.triggerSelector=null;g.prototype.scalevalues=null;g.prototype.originalscaleid=0;g.prototype.scaleid=0;g.prototype.popup=null;g.prototype.showConfig=function(){var d=this;this.scaleid=a(this.selectSelector).val();if(0>=this.scaleid){return}var f=a(this.selectSelector).find("option:selected").text();this.getScaleValues(this.scaleid).done(function(){var a={scalename:f,scales:d.scalevalues};c.render("tool_lp/scale_configuration_page",a).done(function(a){new e(f,a,d.initScaleConfig.bind(d))}).fail(b.exception)}).fail(b.exception)};g.prototype.retrieveOriginalScaleConfig=function(){var b=a(this.inputSelector).val();if(""!==b){var c=a.parseJSON(b),d=c.shift();if(d.scaleid===this.originalscaleid){return c}}return""};g.prototype.initScaleConfig=function(b){this.popup=b;var c=a(b.getContent());if(this.originalscaleid===this.scaleid){var d=this.retrieveOriginalScaleConfig();if(""!==d){d.forEach(function(a){if(1===a.scaledefault){c.find("[data-field=\"tool_lp_scale_default_"+a.id+"\"]").attr("checked",!0)}if(1===a.proficient){c.find("[data-field=\"tool_lp_scale_proficient_"+a.id+"\"]").attr("checked",!0)}})}}c.on("click","[data-action=\"close\"]",function(){this.setScaleConfig();b.close()}.bind(this));c.on("click","[data-action=\"cancel\"]",function(){b.close()})};g.prototype.setScaleConfig=function(){var b=a(this.popup.getContent()),c=[{scaleid:this.scaleid}];this.scalevalues.forEach(function(a){var d=0,e=0;if(b.find("[data-field=\"tool_lp_scale_default_"+a.id+"\"]").is(":checked")){d=1}if(b.find("[data-field=\"tool_lp_scale_proficient_"+a.id+"\"]").is(":checked")){e=1}if(!d&&!e){return}c.push({id:a.id,scaledefault:d,proficient:e})});var d=JSON.stringify(c);a(this.inputSelector).val(d);this.originalscaleid=this.scaleid};g.prototype.getScaleValues=function(a){return f.get_values(a).then(function(a){this.scalevalues=a;return a}.bind(this))};g.prototype.scaleChangeHandler=function(b){if(0>=a(b.target).val()){a(this.triggerSelector).prop("disabled",!0)}else{a(this.triggerSelector).prop("disabled",!1)}};return{init:function init(a,b,c){return new g(a,b,c)}}});
-//# sourceMappingURL=scaleconfig.min.js.map
+/**
+ * Handle opening a dialogue to configure scale data.
+ *
+ * @module     tool_lp/scaleconfig
+ * @package    tool_lp
+ * @copyright  2015 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/scaleconfig",["jquery","core/notification","core/templates","core/ajax","tool_lp/dialogue","tool_lp/scalevalues"],(function($,notification,templates,ajax,Dialogue,ModScaleValues){var ScaleConfig=function(selectSelector,inputSelector,triggerSelector){this.selectSelector=selectSelector,this.inputSelector=inputSelector,this.triggerSelector=triggerSelector,this.originalscaleid=$(selectSelector).val(),$(selectSelector).on("change",this.scaleChangeHandler.bind(this)).change(),$(triggerSelector).click(this.showConfig.bind(this))};return ScaleConfig.prototype.selectSelector=null,ScaleConfig.prototype.inputSelector=null,ScaleConfig.prototype.triggerSelector=null,ScaleConfig.prototype.scalevalues=null,ScaleConfig.prototype.originalscaleid=0,ScaleConfig.prototype.scaleid=0,ScaleConfig.prototype.popup=null,ScaleConfig.prototype.showConfig=function(){var self=this;if(this.scaleid=$(this.selectSelector).val(),!(this.scaleid<=0)){var scalename=$(this.selectSelector).find("option:selected").text();this.getScaleValues(this.scaleid).done((function(){var context={scalename:scalename,scales:self.scalevalues};templates.render("tool_lp/scale_configuration_page",context).done((function(html){new Dialogue(scalename,html,self.initScaleConfig.bind(self))})).fail(notification.exception)})).fail(notification.exception)}},ScaleConfig.prototype.retrieveOriginalScaleConfig=function(){var jsonstring=$(this.inputSelector).val();if(""!==jsonstring){var scaleconfiguration=$.parseJSON(jsonstring);if(scaleconfiguration.shift().scaleid===this.originalscaleid)return scaleconfiguration}return""},ScaleConfig.prototype.initScaleConfig=function(popup){this.popup=popup;var body=$(popup.getContent());if(this.originalscaleid===this.scaleid){var currentconfig=this.retrieveOriginalScaleConfig();""!==currentconfig&&currentconfig.forEach((function(value){1===value.scaledefault&&body.find('[data-field="tool_lp_scale_default_'+value.id+'"]').attr("checked",!0),1===value.proficient&&body.find('[data-field="tool_lp_scale_proficient_'+value.id+'"]').attr("checked",!0)}))}body.on("click",'[data-action="close"]',function(){this.setScaleConfig(),popup.close()}.bind(this)),body.on("click",'[data-action="cancel"]',(function(){popup.close()}))},ScaleConfig.prototype.setScaleConfig=function(){var body=$(this.popup.getContent()),data=[{scaleid:this.scaleid}];this.scalevalues.forEach((function(value){var scaledefault=0,proficient=0;body.find('[data-field="tool_lp_scale_default_'+value.id+'"]').is(":checked")&&(scaledefault=1),body.find('[data-field="tool_lp_scale_proficient_'+value.id+'"]').is(":checked")&&(proficient=1),(scaledefault||proficient)&&data.push({id:value.id,scaledefault:scaledefault,proficient:proficient})}));var datastring=JSON.stringify(data);$(this.inputSelector).val(datastring),this.originalscaleid=this.scaleid},ScaleConfig.prototype.getScaleValues=function(scaleid){return ModScaleValues.get_values(scaleid).then(function(values){return this.scalevalues=values,values}.bind(this))},ScaleConfig.prototype.scaleChangeHandler=function(e){$(e.target).val()<=0?$(this.triggerSelector).prop("disabled",!0):$(this.triggerSelector).prop("disabled",!1)},{init:function(selectSelector,inputSelector,triggerSelector){return new ScaleConfig(selectSelector,inputSelector,triggerSelector)}}}));
+
+//# sourceMappingURL=scaleconfig.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/scaleconfig.min.js.map b/admin/tool/lp/amd/build/scaleconfig.min.js.map
index e5cae053216..c5cb05c72cb 100644
--- a/admin/tool/lp/amd/build/scaleconfig.min.js.map
+++ b/admin/tool/lp/amd/build/scaleconfig.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle opening a dialogue to configure scale data.\n *\n * @module     tool_lp/scaleconfig\n * @package    tool_lp\n * @copyright  2015 Adrian Greeve <adrian@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/notification', 'core/templates', 'core/ajax', 'tool_lp/dialogue', 'tool_lp/scalevalues'],\n    function($, notification, templates, ajax, Dialogue, ModScaleValues) {\n\n    /**\n     * Scale config object.\n     * @param {String} selectSelector The select box selector.\n     * @param {String} inputSelector The hidden input field selector.\n     * @param {String} triggerSelector The trigger selector.\n     */\n    var ScaleConfig = function(selectSelector, inputSelector, triggerSelector) {\n        this.selectSelector = selectSelector;\n        this.inputSelector = inputSelector;\n        this.triggerSelector = triggerSelector;\n\n        // Get the current scale ID.\n        this.originalscaleid = $(selectSelector).val();\n        $(selectSelector).on('change', this.scaleChangeHandler.bind(this)).change();\n        $(triggerSelector).click(this.showConfig.bind(this));\n    };\n\n    /** @var {String} The select box selector. */\n    ScaleConfig.prototype.selectSelector = null;\n    /** @var {String} The hidden field selector. */\n    ScaleConfig.prototype.inputSelector = null;\n    /** @var {String} The trigger selector. */\n    ScaleConfig.prototype.triggerSelector = null;\n    /** @var {Array} scalevalues ID and name of the scales. */\n    ScaleConfig.prototype.scalevalues = null;\n    /** @var {Number) originalscaleid Original scale ID when the page loads. */\n    ScaleConfig.prototype.originalscaleid = 0;\n    /** @var {Number} scaleid Current scale ID. */\n    ScaleConfig.prototype.scaleid = 0;\n    /** @var {Dialogue} Reference to the popup. */\n    ScaleConfig.prototype.popup = null;\n\n    /**\n     * Displays the scale configuration dialogue.\n     *\n     * @method showConfig\n     */\n    ScaleConfig.prototype.showConfig = function() {\n        var self = this;\n\n        this.scaleid = $(this.selectSelector).val();\n        if (this.scaleid <= 0) {\n            // This should not happen.\n            return;\n        }\n\n        var scalename = $(this.selectSelector).find(\"option:selected\").text();\n        this.getScaleValues(this.scaleid).done(function() {\n\n            var context = {\n                scalename: scalename,\n                scales: self.scalevalues\n            };\n\n            // Dish up the form.\n            templates.render('tool_lp/scale_configuration_page', context)\n                .done(function(html) {\n                    new Dialogue(\n                        scalename,\n                        html,\n                        self.initScaleConfig.bind(self)\n                    );\n                }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Gets the original scale configuration if it was set.\n     *\n     * @method retrieveOriginalScaleConfig\n     * @return {Object|String} scale configuration or empty string.\n     */\n    ScaleConfig.prototype.retrieveOriginalScaleConfig = function() {\n        var jsonstring = $(this.inputSelector).val();\n        if (jsonstring !== '') {\n            var scaleconfiguration = $.parseJSON(jsonstring);\n            // The first object should contain the scale ID for the configuration.\n            var scaledetail = scaleconfiguration.shift();\n            // Check that this scale id matches the one from the page before returning the configuration.\n            if (scaledetail.scaleid === this.originalscaleid) {\n                return scaleconfiguration;\n            }\n        }\n        return '';\n    };\n\n    /**\n     * Initialises the scale configuration dialogue.\n     *\n     * @method initScaleConfig\n     * @param {Dialogue} popup Dialogue object to initialise.\n     */\n    ScaleConfig.prototype.initScaleConfig = function(popup) {\n        this.popup = popup;\n        var body = $(popup.getContent());\n        if (this.originalscaleid === this.scaleid) {\n            // Set up the popup to show the current configuration.\n            var currentconfig = this.retrieveOriginalScaleConfig();\n            // Set up the form only if there is configuration settings to set.\n            if (currentconfig !== '') {\n                currentconfig.forEach(function(value) {\n                    if (value.scaledefault === 1) {\n                        body.find('[data-field=\"tool_lp_scale_default_' + value.id + '\"]').attr('checked', true);\n                    }\n                    if (value.proficient === 1) {\n                        body.find('[data-field=\"tool_lp_scale_proficient_' + value.id + '\"]').attr('checked', true);\n                    }\n                });\n            }\n        }\n        body.on('click', '[data-action=\"close\"]', function() {\n            this.setScaleConfig();\n            popup.close();\n        }.bind(this));\n        body.on('click', '[data-action=\"cancel\"]', function() {\n            popup.close();\n        });\n    };\n\n    /**\n     * Set the scale configuration back into a JSON string in the hidden element.\n     *\n     * @method setScaleConfig\n     */\n    ScaleConfig.prototype.setScaleConfig = function() {\n        var body = $(this.popup.getContent());\n        // Get the data.\n        var data = [{scaleid: this.scaleid}];\n        this.scalevalues.forEach(function(value) {\n            var scaledefault = 0;\n            var proficient = 0;\n            if (body.find('[data-field=\"tool_lp_scale_default_' + value.id + '\"]').is(':checked')) {\n                scaledefault = 1;\n            }\n            if (body.find('[data-field=\"tool_lp_scale_proficient_' + value.id + '\"]').is(':checked')) {\n                proficient = 1;\n            }\n\n            if (!scaledefault && !proficient) {\n                return;\n            }\n\n            data.push({\n                id: value.id,\n                scaledefault: scaledefault,\n                proficient: proficient\n            });\n         });\n        var datastring = JSON.stringify(data);\n        // Send to the hidden field on the form.\n        $(this.inputSelector).val(datastring);\n        // Once the configuration has been saved then the original scale ID is set to the current scale ID.\n        this.originalscaleid = this.scaleid;\n    };\n\n    /**\n     * Get the scale values for the selected scale.\n     *\n     * @method getScaleValues\n     * @param {Number} scaleid The scale ID of the selected scale.\n     * @return {Promise} A deffered object with the scale values.\n     */\n    ScaleConfig.prototype.getScaleValues = function(scaleid) {\n        return ModScaleValues.get_values(scaleid).then(function(values) {\n            this.scalevalues = values;\n            return values;\n        }.bind(this));\n    };\n\n    /**\n     * Triggered when a scale is selected.\n     *\n     * @name   scaleChangeHandler\n     * @param  {Event} e\n     * @function\n     */\n    ScaleConfig.prototype.scaleChangeHandler = function(e) {\n        if ($(e.target).val() <= 0) {\n            $(this.triggerSelector).prop('disabled', true);\n        } else {\n            $(this.triggerSelector).prop('disabled', false);\n        }\n\n    };\n\n    return {\n\n        /**\n         * Main initialisation.\n         *\n         * @param {String} selectSelector The select box selector.\n         * @param {String} inputSelector The hidden input field selector.\n         * @param {String} triggerSelector The trigger selector.\n         * @return {ScaleConfig} A new instance of ScaleConfig.\n         * @method init\n         */\n        init: function(selectSelector, inputSelector, triggerSelector) {\n            return new ScaleConfig(selectSelector, inputSelector, triggerSelector);\n        }\n    };\n});\n"],"file":"scaleconfig.min.js"}
\ No newline at end of file
+{"version":3,"file":"scaleconfig.min.js","sources":["../src/scaleconfig.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle opening a dialogue to configure scale data.\n *\n * @module     tool_lp/scaleconfig\n * @package    tool_lp\n * @copyright  2015 Adrian Greeve <adrian@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/notification', 'core/templates', 'core/ajax', 'tool_lp/dialogue', 'tool_lp/scalevalues'],\n    function($, notification, templates, ajax, Dialogue, ModScaleValues) {\n\n    /**\n     * Scale config object.\n     * @param {String} selectSelector The select box selector.\n     * @param {String} inputSelector The hidden input field selector.\n     * @param {String} triggerSelector The trigger selector.\n     */\n    var ScaleConfig = function(selectSelector, inputSelector, triggerSelector) {\n        this.selectSelector = selectSelector;\n        this.inputSelector = inputSelector;\n        this.triggerSelector = triggerSelector;\n\n        // Get the current scale ID.\n        this.originalscaleid = $(selectSelector).val();\n        $(selectSelector).on('change', this.scaleChangeHandler.bind(this)).change();\n        $(triggerSelector).click(this.showConfig.bind(this));\n    };\n\n    /** @var {String} The select box selector. */\n    ScaleConfig.prototype.selectSelector = null;\n    /** @var {String} The hidden field selector. */\n    ScaleConfig.prototype.inputSelector = null;\n    /** @var {String} The trigger selector. */\n    ScaleConfig.prototype.triggerSelector = null;\n    /** @var {Array} scalevalues ID and name of the scales. */\n    ScaleConfig.prototype.scalevalues = null;\n    /** @var {Number) originalscaleid Original scale ID when the page loads. */\n    ScaleConfig.prototype.originalscaleid = 0;\n    /** @var {Number} scaleid Current scale ID. */\n    ScaleConfig.prototype.scaleid = 0;\n    /** @var {Dialogue} Reference to the popup. */\n    ScaleConfig.prototype.popup = null;\n\n    /**\n     * Displays the scale configuration dialogue.\n     *\n     * @method showConfig\n     */\n    ScaleConfig.prototype.showConfig = function() {\n        var self = this;\n\n        this.scaleid = $(this.selectSelector).val();\n        if (this.scaleid <= 0) {\n            // This should not happen.\n            return;\n        }\n\n        var scalename = $(this.selectSelector).find(\"option:selected\").text();\n        this.getScaleValues(this.scaleid).done(function() {\n\n            var context = {\n                scalename: scalename,\n                scales: self.scalevalues\n            };\n\n            // Dish up the form.\n            templates.render('tool_lp/scale_configuration_page', context)\n                .done(function(html) {\n                    new Dialogue(\n                        scalename,\n                        html,\n                        self.initScaleConfig.bind(self)\n                    );\n                }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Gets the original scale configuration if it was set.\n     *\n     * @method retrieveOriginalScaleConfig\n     * @return {Object|String} scale configuration or empty string.\n     */\n    ScaleConfig.prototype.retrieveOriginalScaleConfig = function() {\n        var jsonstring = $(this.inputSelector).val();\n        if (jsonstring !== '') {\n            var scaleconfiguration = $.parseJSON(jsonstring);\n            // The first object should contain the scale ID for the configuration.\n            var scaledetail = scaleconfiguration.shift();\n            // Check that this scale id matches the one from the page before returning the configuration.\n            if (scaledetail.scaleid === this.originalscaleid) {\n                return scaleconfiguration;\n            }\n        }\n        return '';\n    };\n\n    /**\n     * Initialises the scale configuration dialogue.\n     *\n     * @method initScaleConfig\n     * @param {Dialogue} popup Dialogue object to initialise.\n     */\n    ScaleConfig.prototype.initScaleConfig = function(popup) {\n        this.popup = popup;\n        var body = $(popup.getContent());\n        if (this.originalscaleid === this.scaleid) {\n            // Set up the popup to show the current configuration.\n            var currentconfig = this.retrieveOriginalScaleConfig();\n            // Set up the form only if there is configuration settings to set.\n            if (currentconfig !== '') {\n                currentconfig.forEach(function(value) {\n                    if (value.scaledefault === 1) {\n                        body.find('[data-field=\"tool_lp_scale_default_' + value.id + '\"]').attr('checked', true);\n                    }\n                    if (value.proficient === 1) {\n                        body.find('[data-field=\"tool_lp_scale_proficient_' + value.id + '\"]').attr('checked', true);\n                    }\n                });\n            }\n        }\n        body.on('click', '[data-action=\"close\"]', function() {\n            this.setScaleConfig();\n            popup.close();\n        }.bind(this));\n        body.on('click', '[data-action=\"cancel\"]', function() {\n            popup.close();\n        });\n    };\n\n    /**\n     * Set the scale configuration back into a JSON string in the hidden element.\n     *\n     * @method setScaleConfig\n     */\n    ScaleConfig.prototype.setScaleConfig = function() {\n        var body = $(this.popup.getContent());\n        // Get the data.\n        var data = [{scaleid: this.scaleid}];\n        this.scalevalues.forEach(function(value) {\n            var scaledefault = 0;\n            var proficient = 0;\n            if (body.find('[data-field=\"tool_lp_scale_default_' + value.id + '\"]').is(':checked')) {\n                scaledefault = 1;\n            }\n            if (body.find('[data-field=\"tool_lp_scale_proficient_' + value.id + '\"]').is(':checked')) {\n                proficient = 1;\n            }\n\n            if (!scaledefault && !proficient) {\n                return;\n            }\n\n            data.push({\n                id: value.id,\n                scaledefault: scaledefault,\n                proficient: proficient\n            });\n         });\n        var datastring = JSON.stringify(data);\n        // Send to the hidden field on the form.\n        $(this.inputSelector).val(datastring);\n        // Once the configuration has been saved then the original scale ID is set to the current scale ID.\n        this.originalscaleid = this.scaleid;\n    };\n\n    /**\n     * Get the scale values for the selected scale.\n     *\n     * @method getScaleValues\n     * @param {Number} scaleid The scale ID of the selected scale.\n     * @return {Promise} A deffered object with the scale values.\n     */\n    ScaleConfig.prototype.getScaleValues = function(scaleid) {\n        return ModScaleValues.get_values(scaleid).then(function(values) {\n            this.scalevalues = values;\n            return values;\n        }.bind(this));\n    };\n\n    /**\n     * Triggered when a scale is selected.\n     *\n     * @name   scaleChangeHandler\n     * @param  {Event} e\n     * @function\n     */\n    ScaleConfig.prototype.scaleChangeHandler = function(e) {\n        if ($(e.target).val() <= 0) {\n            $(this.triggerSelector).prop('disabled', true);\n        } else {\n            $(this.triggerSelector).prop('disabled', false);\n        }\n\n    };\n\n    return {\n\n        /**\n         * Main initialisation.\n         *\n         * @param {String} selectSelector The select box selector.\n         * @param {String} inputSelector The hidden input field selector.\n         * @param {String} triggerSelector The trigger selector.\n         * @return {ScaleConfig} A new instance of ScaleConfig.\n         * @method init\n         */\n        init: function(selectSelector, inputSelector, triggerSelector) {\n            return new ScaleConfig(selectSelector, inputSelector, triggerSelector);\n        }\n    };\n});\n"],"names":["define","$","notification","templates","ajax","Dialogue","ModScaleValues","ScaleConfig","selectSelector","inputSelector","triggerSelector","originalscaleid","val","on","this","scaleChangeHandler","bind","change","click","showConfig","prototype","scalevalues","scaleid","popup","self","scalename","find","text","getScaleValues","done","context","scales","render","html","initScaleConfig","fail","exception","retrieveOriginalScaleConfig","jsonstring","scaleconfiguration","parseJSON","shift","body","getContent","currentconfig","forEach","value","scaledefault","id","attr","proficient","setScaleConfig","close","data","is","push","datastring","JSON","stringify","get_values","then","values","e","target","prop","init"],"mappings":";;;;;;;;AAuBAA,6BAAO,CAAC,SAAU,oBAAqB,iBAAkB,YAAa,mBAAoB,wBACtF,SAASC,EAAGC,aAAcC,UAAWC,KAAMC,SAAUC,oBAQjDC,YAAc,SAASC,eAAgBC,cAAeC,sBACjDF,eAAiBA,oBACjBC,cAAgBA,mBAChBC,gBAAkBA,qBAGlBC,gBAAkBV,EAAEO,gBAAgBI,MACzCX,EAAEO,gBAAgBK,GAAG,SAAUC,KAAKC,mBAAmBC,KAAKF,OAAOG,SACnEhB,EAAES,iBAAiBQ,MAAMJ,KAAKK,WAAWH,KAAKF,eAIlDP,YAAYa,UAAUZ,eAAiB,KAEvCD,YAAYa,UAAUX,cAAgB,KAEtCF,YAAYa,UAAUV,gBAAkB,KAExCH,YAAYa,UAAUC,YAAc,KAEpCd,YAAYa,UAAUT,gBAAkB,EAExCJ,YAAYa,UAAUE,QAAU,EAEhCf,YAAYa,UAAUG,MAAQ,KAO9BhB,YAAYa,UAAUD,WAAa,eAC3BK,KAAOV,aAENQ,QAAUrB,EAAEa,KAAKN,gBAAgBI,QAClCE,KAAKQ,SAAW,QAKhBG,UAAYxB,EAAEa,KAAKN,gBAAgBkB,KAAK,mBAAmBC,YAC1DC,eAAed,KAAKQ,SAASO,MAAK,eAE/BC,QAAU,CACVL,UAAWA,UACXM,OAAQP,KAAKH,aAIjBlB,UAAU6B,OAAO,mCAAoCF,SAChDD,MAAK,SAASI,UACP5B,SACAoB,UACAQ,KACAT,KAAKU,gBAAgBlB,KAAKQ,UAE/BW,KAAKjC,aAAakC,cAC1BD,KAAKjC,aAAakC,aASzB7B,YAAYa,UAAUiB,4BAA8B,eAC5CC,WAAarC,EAAEa,KAAKL,eAAeG,SACpB,KAAf0B,WAAmB,KACfC,mBAAqBtC,EAAEuC,UAAUF,eAEnBC,mBAAmBE,QAErBnB,UAAYR,KAAKH,uBACtB4B,yBAGR,IASXhC,YAAYa,UAAUc,gBAAkB,SAASX,YACxCA,MAAQA,UACTmB,KAAOzC,EAAEsB,MAAMoB,iBACf7B,KAAKH,kBAAoBG,KAAKQ,QAAS,KAEnCsB,cAAgB9B,KAAKuB,8BAEH,KAAlBO,eACAA,cAAcC,SAAQ,SAASC,OACA,IAAvBA,MAAMC,cACNL,KAAKhB,KAAK,sCAAwCoB,MAAME,GAAK,MAAMC,KAAK,WAAW,GAE9D,IAArBH,MAAMI,YACNR,KAAKhB,KAAK,yCAA2CoB,MAAME,GAAK,MAAMC,KAAK,WAAW,MAKtGP,KAAK7B,GAAG,QAAS,wBAAyB,gBACjCsC,iBACL5B,MAAM6B,SACRpC,KAAKF,OACP4B,KAAK7B,GAAG,QAAS,0BAA0B,WACvCU,MAAM6B,YASd7C,YAAYa,UAAU+B,eAAiB,eAC/BT,KAAOzC,EAAEa,KAAKS,MAAMoB,cAEpBU,KAAO,CAAC,CAAC/B,QAASR,KAAKQ,eACtBD,YAAYwB,SAAQ,SAASC,WAC1BC,aAAe,EACfG,WAAa,EACbR,KAAKhB,KAAK,sCAAwCoB,MAAME,GAAK,MAAMM,GAAG,cACtEP,aAAe,GAEfL,KAAKhB,KAAK,yCAA2CoB,MAAME,GAAK,MAAMM,GAAG,cACzEJ,WAAa,IAGZH,cAAiBG,aAItBG,KAAKE,KAAK,CACNP,GAAIF,MAAME,GACVD,aAAcA,aACdG,WAAYA,oBAGhBM,WAAaC,KAAKC,UAAUL,MAEhCpD,EAAEa,KAAKL,eAAeG,IAAI4C,iBAErB7C,gBAAkBG,KAAKQ,SAUhCf,YAAYa,UAAUQ,eAAiB,SAASN,gBACrChB,eAAeqD,WAAWrC,SAASsC,KAAK,SAASC,oBAC/CxC,YAAcwC,OACZA,QACT7C,KAAKF,QAUXP,YAAYa,UAAUL,mBAAqB,SAAS+C,GAC5C7D,EAAE6D,EAAEC,QAAQnD,OAAS,EACrBX,EAAEa,KAAKJ,iBAAiBsD,KAAK,YAAY,GAEzC/D,EAAEa,KAAKJ,iBAAiBsD,KAAK,YAAY,IAK1C,CAWHC,KAAM,SAASzD,eAAgBC,cAAeC,wBACnC,IAAIH,YAAYC,eAAgBC,cAAeC"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/scalevalues.min.js b/admin/tool/lp/amd/build/scalevalues.min.js
index 637c17fb289..4309d664bf9 100644
--- a/admin/tool/lp/amd/build/scalevalues.min.js
+++ b/admin/tool/lp/amd/build/scalevalues.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/scalevalues",["jquery","core/ajax"],function(a,b){var c=[];return{get_values:function get_values(d){var e=a.Deferred();if("undefined"==typeof c[d]){b.call([{methodname:"core_competency_get_scale_values",args:{scaleid:d},done:function done(a){c[d]=a;e.resolve(a)},fail:e.reject}])}else{e.resolve(c[d])}return e.promise()}}});
-//# sourceMappingURL=scalevalues.min.js.map
+/**
+ * Module to get the scale values.
+ *
+ * @package    tool_lp
+ * @copyright  2016 Serge Gauthier
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/scalevalues",["jquery","core/ajax"],(function($,ajax){var localCache=[];return{get_values:function(scaleid){var deferred=$.Deferred();return void 0===localCache[scaleid]?ajax.call([{methodname:"core_competency_get_scale_values",args:{scaleid:scaleid},done:function(scaleinfo){localCache[scaleid]=scaleinfo,deferred.resolve(scaleinfo)},fail:deferred.reject}]):deferred.resolve(localCache[scaleid]),deferred.promise()}}}));
+
+//# sourceMappingURL=scalevalues.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/scalevalues.min.js.map b/admin/tool/lp/amd/build/scalevalues.min.js.map
index 687f3317634..75613b8bcf1 100644
--- a/admin/tool/lp/amd/build/scalevalues.min.js.map
+++ b/admin/tool/lp/amd/build/scalevalues.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/scalevalues.js"],"names":["define","$","ajax","localCache","get_values","scaleid","deferred","Deferred","call","methodname","args","done","scaleinfo","resolve","fail","reject","promise"],"mappings":"AAsBAA,OAAM,uBAAC,CAAC,QAAD,CAAW,WAAX,CAAD,CAA0B,SAASC,CAAT,CAAYC,CAAZ,CAAkB,CAC9C,GAAIC,CAAAA,CAAU,CAAG,EAAjB,CAEA,MAAgD,CAU5CC,UAAU,CAAE,oBAASC,CAAT,CAAkB,CAE1B,GAAIC,CAAAA,CAAQ,CAAGL,CAAC,CAACM,QAAF,EAAf,CAEA,GAAmC,WAA/B,QAAOJ,CAAAA,CAAU,CAACE,CAAD,CAArB,CAAgD,CAC5CH,CAAI,CAACM,IAAL,CAAU,CAAC,CACPC,UAAU,CAAE,kCADL,CAEPC,IAAI,CAAE,CAACL,OAAO,CAAEA,CAAV,CAFC,CAGPM,IAAI,CAAE,cAASC,CAAT,CAAoB,CACtBT,CAAU,CAACE,CAAD,CAAV,CAAsBO,CAAtB,CACAN,CAAQ,CAACO,OAAT,CAAiBD,CAAjB,CACH,CANM,CAOPE,IAAI,CAAGR,CAAQ,CAACS,MAPT,CAAD,CAAV,CASH,CAVD,IAUO,CACHT,CAAQ,CAACO,OAAT,CAAiBV,CAAU,CAACE,CAAD,CAA3B,CACH,CAED,MAAOC,CAAAA,CAAQ,CAACU,OAAT,EACV,CA7B2C,CA+BnD,CAlCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to get the scale values.\n *\n * @package    tool_lp\n * @copyright  2016 Serge Gauthier\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax'], function($, ajax) {\n    var localCache = [];\n\n    return /** @alias module:tool_lp/scalevalues */ {\n\n        /**\n         * Return a promise object that will be resolved into a string eventually (maybe immediately).\n         *\n         * @method get_values\n         * @param {Number} scaleid The scale id\n         * @return [] {Promise}\n         */\n        // eslint-disable-next-line camelcase\n        get_values: function(scaleid) {\n\n            var deferred = $.Deferred();\n\n            if (typeof localCache[scaleid] === 'undefined') {\n                ajax.call([{\n                    methodname: 'core_competency_get_scale_values',\n                    args: {scaleid: scaleid},\n                    done: function(scaleinfo) {\n                        localCache[scaleid] = scaleinfo;\n                        deferred.resolve(scaleinfo);\n                    },\n                    fail: (deferred.reject)\n                }]);\n            } else {\n                deferred.resolve(localCache[scaleid]);\n            }\n\n            return deferred.promise();\n        }\n    };\n});\n"],"file":"scalevalues.min.js"}
\ No newline at end of file
+{"version":3,"file":"scalevalues.min.js","sources":["../src/scalevalues.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to get the scale values.\n *\n * @package    tool_lp\n * @copyright  2016 Serge Gauthier\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax'], function($, ajax) {\n    var localCache = [];\n\n    return /** @alias module:tool_lp/scalevalues */ {\n\n        /**\n         * Return a promise object that will be resolved into a string eventually (maybe immediately).\n         *\n         * @method get_values\n         * @param {Number} scaleid The scale id\n         * @return [] {Promise}\n         */\n        // eslint-disable-next-line camelcase\n        get_values: function(scaleid) {\n\n            var deferred = $.Deferred();\n\n            if (typeof localCache[scaleid] === 'undefined') {\n                ajax.call([{\n                    methodname: 'core_competency_get_scale_values',\n                    args: {scaleid: scaleid},\n                    done: function(scaleinfo) {\n                        localCache[scaleid] = scaleinfo;\n                        deferred.resolve(scaleinfo);\n                    },\n                    fail: (deferred.reject)\n                }]);\n            } else {\n                deferred.resolve(localCache[scaleid]);\n            }\n\n            return deferred.promise();\n        }\n    };\n});\n"],"names":["define","$","ajax","localCache","get_values","scaleid","deferred","Deferred","call","methodname","args","done","scaleinfo","resolve","fail","reject","promise"],"mappings":";;;;;;;AAsBAA,6BAAO,CAAC,SAAU,cAAc,SAASC,EAAGC,UACpCC,WAAa,SAE+B,CAU5CC,WAAY,SAASC,aAEbC,SAAWL,EAAEM,uBAEkB,IAAxBJ,WAAWE,SAClBH,KAAKM,KAAK,CAAC,CACPC,WAAY,mCACZC,KAAM,CAACL,QAASA,SAChBM,KAAM,SAASC,WACXT,WAAWE,SAAWO,UACtBN,SAASO,QAAQD,YAErBE,KAAOR,SAASS,UAGpBT,SAASO,QAAQV,WAAWE,UAGzBC,SAASU"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/templateactions.min.js b/admin/tool/lp/amd/build/templateactions.min.js
index e57f9618e1c..fb438fb9d30 100644
--- a/admin/tool/lp/amd/build/templateactions.min.js
+++ b/admin/tool/lp/amd/build/templateactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/templateactions",["jquery","core/templates","core/ajax","core/notification","core/str","tool_lp/actionselector"],function(a,b,c,d,e,f){var g=0,h=0,i=!0,j=function(c,d){a("[data-region=\"managetemplates\"]").replaceWith(c);b.runTemplateJS(d)},k=function(a){b.render("tool_lp/manage_templates_page",a).done(j).fail(d.exception)},l=function(){var a=c.call([{methodname:"core_competency_delete_template",args:{id:h,deleteplans:i}},{methodname:"tool_lp_data_for_templates_manage_page",args:{pagecontext:{contextid:g}}}]);a[1].done(k).fail(d.exception)},m=function(b){b.preventDefault();h=a(this).attr("data-templateid");var e=c.call([{methodname:"core_competency_duplicate_template",args:{id:h}},{methodname:"tool_lp_data_for_templates_manage_page",args:{pagecontext:{contextid:g}}}]);e[1].done(k).fail(d.exception)},n=function(b){b.preventDefault();var g=a(this).attr("data-templateid");h=g;i=!0;var j=c.call([{methodname:"core_competency_read_template",args:{id:h}},{methodname:"core_competency_template_has_related_data",args:{id:h}}]);j[0].done(function(a){j[1].done(function(b){if(b){e.get_strings([{key:"deletetemplate",component:"tool_lp",param:a.shortname},{key:"deletetemplatewithplans",component:"tool_lp"},{key:"deleteplans",component:"tool_lp"},{key:"unlinkplanstemplate",component:"tool_lp"},{key:"confirm",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(a){var b=[{text:a[2],value:"delete"},{text:a[3],value:"unlink"}],c=new f(a[0],a[1],b,a[4],a[5]);c.display();c.on("save",function(a,b){if("delete"!=b.action){i=!1}l()})}).fail(d.exception)}else{e.get_strings([{key:"confirm",component:"moodle"},{key:"deletetemplate",component:"tool_lp",param:a.shortname},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(a){d.confirm(a[0],a[1],a[2],a[3],l)}).fail(d.exception)}}).fail(d.exception)}).fail(d.exception)};return{deleteHandler:n,duplicateHandler:m,init:function init(a){g=a}}});
-//# sourceMappingURL=templateactions.min.js.map
+/**
+ * Handle actions on learning plan templates via ajax.
+ *
+ * @module     tool_lp/templateactions
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/templateactions",["jquery","core/templates","core/ajax","core/notification","core/str","tool_lp/actionselector"],(function($,templates,ajax,notification,str,Actionselector){var pagecontextid=0,templateid=0,deleteplans=!0,updatePage=function(newhtml,newjs){$('[data-region="managetemplates"]').replaceWith(newhtml),templates.runTemplateJS(newjs)},reloadList=function(context){templates.render("tool_lp/manage_templates_page",context).done(updatePage).fail(notification.exception)},doDelete=function(){ajax.call([{methodname:"core_competency_delete_template",args:{id:templateid,deleteplans:deleteplans}},{methodname:"tool_lp_data_for_templates_manage_page",args:{pagecontext:{contextid:pagecontextid}}}])[1].done(reloadList).fail(notification.exception)};return{deleteHandler:function(e){e.preventDefault();var id=$(this).attr("data-templateid");templateid=id,deleteplans=!0;var requests=ajax.call([{methodname:"core_competency_read_template",args:{id:templateid}},{methodname:"core_competency_template_has_related_data",args:{id:templateid}}]);requests[0].done((function(template){requests[1].done((function(templatehasrelateddata){templatehasrelateddata?str.get_strings([{key:"deletetemplate",component:"tool_lp",param:template.shortname},{key:"deletetemplatewithplans",component:"tool_lp"},{key:"deleteplans",component:"tool_lp"},{key:"unlinkplanstemplate",component:"tool_lp"},{key:"confirm",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){var actions=[{text:strings[2],value:"delete"},{text:strings[3],value:"unlink"}],actionselector=new Actionselector(strings[0],strings[1],actions,strings[4],strings[5]);actionselector.display(),actionselector.on("save",(function(e,data){"delete"!=data.action&&(deleteplans=!1),doDelete()}))})).fail(notification.exception):str.get_strings([{key:"confirm",component:"moodle"},{key:"deletetemplate",component:"tool_lp",param:template.shortname},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],doDelete)})).fail(notification.exception)})).fail(notification.exception)})).fail(notification.exception)},duplicateHandler:function(e){e.preventDefault(),templateid=$(this).attr("data-templateid"),ajax.call([{methodname:"core_competency_duplicate_template",args:{id:templateid}},{methodname:"tool_lp_data_for_templates_manage_page",args:{pagecontext:{contextid:pagecontextid}}}])[1].done(reloadList).fail(notification.exception)},init:function(contextid){pagecontextid=contextid}}}));
+
+//# sourceMappingURL=templateactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/templateactions.min.js.map b/admin/tool/lp/amd/build/templateactions.min.js.map
index e44ab4f9728..a4f2dee9af4 100644
--- a/admin/tool/lp/amd/build/templateactions.min.js.map
+++ b/admin/tool/lp/amd/build/templateactions.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/templateactions.js"],"names":["define","$","templates","ajax","notification","str","Actionselector","pagecontextid","templateid","deleteplans","updatePage","newhtml","newjs","replaceWith","runTemplateJS","reloadList","context","render","done","fail","exception","doDelete","requests","call","methodname","args","id","pagecontext","contextid","doDuplicate","e","preventDefault","attr","confirmDelete","template","templatehasrelateddata","get_strings","key","component","param","shortname","strings","actions","actionselector","display","on","data","action","confirm","deleteHandler","duplicateHandler","init"],"mappings":"AAuBAA,OAAM,2BAAC,CAAC,QAAD,CAAW,gBAAX,CAA6B,WAA7B,CAA0C,mBAA1C,CAA+D,UAA/D,CAA2E,wBAA3E,CAAD,CACC,SAASC,CAAT,CAAYC,CAAZ,CAAuBC,CAAvB,CAA6BC,CAA7B,CAA2CC,CAA3C,CAAgDC,CAAhD,CAAgE,IAI/DC,CAAAA,CAAa,CAAG,CAJ+C,CAO/DC,CAAU,CAAG,CAPkD,CAU/DC,CAAW,GAVoD,CAmB/DC,CAAU,CAAG,SAASC,CAAT,CAAkBC,CAAlB,CAAyB,CACtCX,CAAC,CAAC,mCAAD,CAAD,CAAqCY,WAArC,CAAiDF,CAAjD,EACAT,CAAS,CAACY,aAAV,CAAwBF,CAAxB,CACH,CAtBkE,CA8B/DG,CAAU,CAAG,SAASC,CAAT,CAAkB,CAC/Bd,CAAS,CAACe,MAAV,CAAiB,+BAAjB,CAAkDD,CAAlD,EACKE,IADL,CACUR,CADV,EAEKS,IAFL,CAEUf,CAAY,CAACgB,SAFvB,CAGH,CAlCkE,CAwC/DC,CAAQ,CAAG,UAAW,CAGtB,GAAIC,CAAAA,CAAQ,CAAGnB,CAAI,CAACoB,IAAL,CAAU,CAAC,CACtBC,UAAU,CAAE,iCADU,CAEtBC,IAAI,CAAE,CAACC,EAAE,CAAElB,CAAL,CACEC,WAAW,CAAEA,CADf,CAFgB,CAAD,CAItB,CACCe,UAAU,CAAE,wCADb,CAECC,IAAI,CAAE,CACFE,WAAW,CAAE,CACTC,SAAS,CAAErB,CADF,CADX,CAFP,CAJsB,CAAV,CAAf,CAYAe,CAAQ,CAAC,CAAD,CAAR,CAAYJ,IAAZ,CAAiBH,CAAjB,EAA6BI,IAA7B,CAAkCf,CAAY,CAACgB,SAA/C,CACH,CAxDkE,CA+D/DS,CAAW,CAAG,SAASC,CAAT,CAAY,CAC1BA,CAAC,CAACC,cAAF,GAEAvB,CAAU,CAAGP,CAAC,CAAC,IAAD,CAAD,CAAQ+B,IAAR,CAAa,iBAAb,CAAb,CAGA,GAAIV,CAAAA,CAAQ,CAAGnB,CAAI,CAACoB,IAAL,CAAU,CAAC,CACtBC,UAAU,CAAE,oCADU,CAEtBC,IAAI,CAAE,CAACC,EAAE,CAAElB,CAAL,CAFgB,CAAD,CAGtB,CACCgB,UAAU,CAAE,wCADb,CAECC,IAAI,CAAE,CACFE,WAAW,CAAE,CACTC,SAAS,CAAErB,CADF,CADX,CAFP,CAHsB,CAAV,CAAf,CAWAe,CAAQ,CAAC,CAAD,CAAR,CAAYJ,IAAZ,CAAiBH,CAAjB,EAA6BI,IAA7B,CAAkCf,CAAY,CAACgB,SAA/C,CACH,CAjFkE,CAwF/Da,CAAa,CAAG,SAASH,CAAT,CAAY,CAC5BA,CAAC,CAACC,cAAF,GAEA,GAAIL,CAAAA,CAAE,CAAGzB,CAAC,CAAC,IAAD,CAAD,CAAQ+B,IAAR,CAAa,iBAAb,CAAT,CACAxB,CAAU,CAAGkB,CAAb,CACAjB,CAAW,GAAX,CAEA,GAAIa,CAAAA,CAAQ,CAAGnB,CAAI,CAACoB,IAAL,CAAU,CAAC,CACtBC,UAAU,CAAE,+BADU,CAEtBC,IAAI,CAAE,CAACC,EAAE,CAAElB,CAAL,CAFgB,CAAD,CAGtB,CACCgB,UAAU,CAAE,2CADb,CAECC,IAAI,CAAE,CAACC,EAAE,CAAElB,CAAL,CAFP,CAHsB,CAAV,CAAf,CAQAc,CAAQ,CAAC,CAAD,CAAR,CAAYJ,IAAZ,CAAiB,SAASgB,CAAT,CAAmB,CAChCZ,CAAQ,CAAC,CAAD,CAAR,CAAYJ,IAAZ,CAAiB,SAASiB,CAAT,CAAiC,CAC9C,GAAIA,CAAJ,CAA4B,CACxB9B,CAAG,CAAC+B,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAE,gBAAN,CAAwBC,SAAS,CAAE,SAAnC,CAA8CC,KAAK,CAAEL,CAAQ,CAACM,SAA9D,CADY,CAEZ,CAACH,GAAG,CAAE,yBAAN,CAAiCC,SAAS,CAAE,SAA5C,CAFY,CAGZ,CAACD,GAAG,CAAE,aAAN,CAAqBC,SAAS,CAAE,SAAhC,CAHY,CAIZ,CAACD,GAAG,CAAE,qBAAN,CAA6BC,SAAS,CAAE,SAAxC,CAJY,CAKZ,CAACD,GAAG,CAAE,SAAN,CAAiBC,SAAS,CAAE,QAA5B,CALY,CAMZ,CAACD,GAAG,CAAE,QAAN,CAAgBC,SAAS,CAAE,QAA3B,CANY,CAAhB,EAOGpB,IAPH,CAOQ,SAASuB,CAAT,CAAkB,IAClBC,CAAAA,CAAO,CAAG,CAAC,CAAC,KAAQD,CAAO,CAAC,CAAD,CAAhB,CAAqB,MAAS,QAA9B,CAAD,CACC,CAAC,KAAQA,CAAO,CAAC,CAAD,CAAhB,CAAqB,MAAS,QAA9B,CADD,CADQ,CAGlBE,CAAc,CAAG,GAAIrC,CAAAA,CAAJ,CACbmC,CAAO,CAAC,CAAD,CADM,CAEbA,CAAO,CAAC,CAAD,CAFM,CAGbC,CAHa,CAIbD,CAAO,CAAC,CAAD,CAJM,CAKbA,CAAO,CAAC,CAAD,CALM,CAHC,CAStBE,CAAc,CAACC,OAAf,GACAD,CAAc,CAACE,EAAf,CAAkB,MAAlB,CAA0B,SAASf,CAAT,CAAYgB,CAAZ,CAAkB,CACxC,GAAmB,QAAf,EAAAA,CAAI,CAACC,MAAT,CAA6B,CACzBtC,CAAW,GACd,CACDY,CAAQ,EACX,CALD,CAMH,CAvBD,EAuBGF,IAvBH,CAuBQf,CAAY,CAACgB,SAvBrB,CAwBH,CAzBD,IAyBO,CACHf,CAAG,CAAC+B,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAE,SAAN,CAAiBC,SAAS,CAAE,QAA5B,CADY,CAEZ,CAACD,GAAG,CAAE,gBAAN,CAAwBC,SAAS,CAAE,SAAnC,CAA8CC,KAAK,CAAEL,CAAQ,CAACM,SAA9D,CAFY,CAGZ,CAACH,GAAG,CAAE,QAAN,CAAgBC,SAAS,CAAE,QAA3B,CAHY,CAIZ,CAACD,GAAG,CAAE,QAAN,CAAgBC,SAAS,CAAE,QAA3B,CAJY,CAAhB,EAKGpB,IALH,CAKQ,SAASuB,CAAT,CAAkB,CACtBrC,CAAY,CAAC4C,OAAb,CACAP,CAAO,CAAC,CAAD,CADP,CAEAA,CAAO,CAAC,CAAD,CAFP,CAGAA,CAAO,CAAC,CAAD,CAHP,CAIAA,CAAO,CAAC,CAAD,CAJP,CAKApB,CALA,CAOH,CAbD,EAaGF,IAbH,CAaQf,CAAY,CAACgB,SAbrB,CAcH,CACJ,CA1CD,EA0CGD,IA1CH,CA0CQf,CAAY,CAACgB,SA1CrB,CA2CH,CA5CD,EA4CGD,IA5CH,CA4CQf,CAAY,CAACgB,SA5CrB,CA8CH,CArJkE,CAuJnE,MAAoD,CAOhD6B,aAAa,CAAEhB,CAPiC,CAchDiB,gBAAgB,CAAErB,CAd8B,CAqBhDsB,IAAI,CAAE,cAASvB,CAAT,CAAoB,CACtBrB,CAAa,CAAGqB,CACnB,CAvB+C,CAyBvD,CAjLK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle actions on learning plan templates via ajax.\n *\n * @module     tool_lp/templateactions\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/ajax', 'core/notification', 'core/str', 'tool_lp/actionselector'],\n       function($, templates, ajax, notification, str, Actionselector) {\n    // Private variables and functions.\n\n    /** @var {Number} pagecontextid The id of the context */\n    var pagecontextid = 0;\n\n    /** @var {Number} templateid The id of the template */\n    var templateid = 0;\n\n    /** @var {Boolean} Action to apply to plans when deleting a template */\n    var deleteplans = true;\n\n    /**\n     * Callback to replace the dom element with the rendered template.\n     *\n     * @method updatePage\n     * @param {String} newhtml The new html to insert.\n     * @param {String} newjs The new js to run.\n     */\n    var updatePage = function(newhtml, newjs) {\n        $('[data-region=\"managetemplates\"]').replaceWith(newhtml);\n        templates.runTemplateJS(newjs);\n    };\n\n    /**\n     * Callback to render the page template again and update the page.\n     *\n     * @method reloadList\n     * @param {Object} context The context for the template.\n     */\n    var reloadList = function(context) {\n        templates.render('tool_lp/manage_templates_page', context)\n            .done(updatePage)\n            .fail(notification.exception);\n    };\n\n    /**\n     * Delete a template and reload the page.\n     * @method doDelete\n     */\n    var doDelete = function() {\n\n        // We are chaining ajax requests here.\n        var requests = ajax.call([{\n            methodname: 'core_competency_delete_template',\n            args: {id: templateid,\n                    deleteplans: deleteplans}\n        }, {\n            methodname: 'tool_lp_data_for_templates_manage_page',\n            args: {\n                pagecontext: {\n                    contextid: pagecontextid\n                }\n            }\n        }]);\n        requests[1].done(reloadList).fail(notification.exception);\n    };\n\n    /**\n     * Duplicate a template and reload the page.\n     * @method doDuplicate\n     * @param {Event} e\n     */\n    var doDuplicate = function(e) {\n        e.preventDefault();\n\n        templateid = $(this).attr('data-templateid');\n\n        // We are chaining ajax requests here.\n        var requests = ajax.call([{\n            methodname: 'core_competency_duplicate_template',\n            args: {id: templateid}\n        }, {\n            methodname: 'tool_lp_data_for_templates_manage_page',\n            args: {\n                pagecontext: {\n                    contextid: pagecontextid\n                }\n            }\n        }]);\n        requests[1].done(reloadList).fail(notification.exception);\n    };\n\n    /**\n     * Handler for \"Delete learning plan template\" actions.\n     * @method confirmDelete\n     * @param {Event} e\n     */\n    var confirmDelete = function(e) {\n        e.preventDefault();\n\n        var id = $(this).attr('data-templateid');\n        templateid = id;\n        deleteplans = true;\n\n        var requests = ajax.call([{\n            methodname: 'core_competency_read_template',\n            args: {id: templateid}\n        }, {\n            methodname: 'core_competency_template_has_related_data',\n            args: {id: templateid}\n        }]);\n\n        requests[0].done(function(template) {\n            requests[1].done(function(templatehasrelateddata) {\n                if (templatehasrelateddata) {\n                    str.get_strings([\n                        {key: 'deletetemplate', component: 'tool_lp', param: template.shortname},\n                        {key: 'deletetemplatewithplans', component: 'tool_lp'},\n                        {key: 'deleteplans', component: 'tool_lp'},\n                        {key: 'unlinkplanstemplate', component: 'tool_lp'},\n                        {key: 'confirm', component: 'moodle'},\n                        {key: 'cancel', component: 'moodle'}\n                    ]).done(function(strings) {\n                        var actions = [{'text': strings[2], 'value': 'delete'},\n                                       {'text': strings[3], 'value': 'unlink'}];\n                        var actionselector = new Actionselector(\n                                strings[0], // Title.\n                                strings[1], // Message\n                                actions, // Radio button options.\n                                strings[4], // Confirm.\n                                strings[5]); // Cancel.\n                        actionselector.display();\n                        actionselector.on('save', function(e, data) {\n                            if (data.action != 'delete') {\n                                deleteplans = false;\n                            }\n                            doDelete();\n                        });\n                    }).fail(notification.exception);\n                } else {\n                    str.get_strings([\n                        {key: 'confirm', component: 'moodle'},\n                        {key: 'deletetemplate', component: 'tool_lp', param: template.shortname},\n                        {key: 'delete', component: 'moodle'},\n                        {key: 'cancel', component: 'moodle'}\n                    ]).done(function(strings) {\n                        notification.confirm(\n                        strings[0], // Confirm.\n                        strings[1], // Delete learning plan template X?\n                        strings[2], // Delete.\n                        strings[3], // Cancel.\n                        doDelete\n                        );\n                    }).fail(notification.exception);\n                }\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    return /** @alias module:tool_lp/templateactions */ {\n        // Public variables and functions.\n        /**\n         * Expose the event handler for the delete.\n         * @method deleteHandler\n         * @param {Event} e\n         */\n        deleteHandler: confirmDelete,\n\n        /**\n         * Expose the event handler for the duplicate.\n         * @method duplicateHandler\n         * @param {Event} e\n         */\n        duplicateHandler: doDuplicate,\n\n        /**\n         * Initialise the module.\n         * @method init\n         * @param {Number} contextid The context id of the page.\n         */\n        init: function(contextid) {\n            pagecontextid = contextid;\n        }\n    };\n});\n"],"file":"templateactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"templateactions.min.js","sources":["../src/templateactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle actions on learning plan templates via ajax.\n *\n * @module     tool_lp/templateactions\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/ajax', 'core/notification', 'core/str', 'tool_lp/actionselector'],\n       function($, templates, ajax, notification, str, Actionselector) {\n    // Private variables and functions.\n\n    /** @var {Number} pagecontextid The id of the context */\n    var pagecontextid = 0;\n\n    /** @var {Number} templateid The id of the template */\n    var templateid = 0;\n\n    /** @var {Boolean} Action to apply to plans when deleting a template */\n    var deleteplans = true;\n\n    /**\n     * Callback to replace the dom element with the rendered template.\n     *\n     * @method updatePage\n     * @param {String} newhtml The new html to insert.\n     * @param {String} newjs The new js to run.\n     */\n    var updatePage = function(newhtml, newjs) {\n        $('[data-region=\"managetemplates\"]').replaceWith(newhtml);\n        templates.runTemplateJS(newjs);\n    };\n\n    /**\n     * Callback to render the page template again and update the page.\n     *\n     * @method reloadList\n     * @param {Object} context The context for the template.\n     */\n    var reloadList = function(context) {\n        templates.render('tool_lp/manage_templates_page', context)\n            .done(updatePage)\n            .fail(notification.exception);\n    };\n\n    /**\n     * Delete a template and reload the page.\n     * @method doDelete\n     */\n    var doDelete = function() {\n\n        // We are chaining ajax requests here.\n        var requests = ajax.call([{\n            methodname: 'core_competency_delete_template',\n            args: {id: templateid,\n                    deleteplans: deleteplans}\n        }, {\n            methodname: 'tool_lp_data_for_templates_manage_page',\n            args: {\n                pagecontext: {\n                    contextid: pagecontextid\n                }\n            }\n        }]);\n        requests[1].done(reloadList).fail(notification.exception);\n    };\n\n    /**\n     * Duplicate a template and reload the page.\n     * @method doDuplicate\n     * @param {Event} e\n     */\n    var doDuplicate = function(e) {\n        e.preventDefault();\n\n        templateid = $(this).attr('data-templateid');\n\n        // We are chaining ajax requests here.\n        var requests = ajax.call([{\n            methodname: 'core_competency_duplicate_template',\n            args: {id: templateid}\n        }, {\n            methodname: 'tool_lp_data_for_templates_manage_page',\n            args: {\n                pagecontext: {\n                    contextid: pagecontextid\n                }\n            }\n        }]);\n        requests[1].done(reloadList).fail(notification.exception);\n    };\n\n    /**\n     * Handler for \"Delete learning plan template\" actions.\n     * @method confirmDelete\n     * @param {Event} e\n     */\n    var confirmDelete = function(e) {\n        e.preventDefault();\n\n        var id = $(this).attr('data-templateid');\n        templateid = id;\n        deleteplans = true;\n\n        var requests = ajax.call([{\n            methodname: 'core_competency_read_template',\n            args: {id: templateid}\n        }, {\n            methodname: 'core_competency_template_has_related_data',\n            args: {id: templateid}\n        }]);\n\n        requests[0].done(function(template) {\n            requests[1].done(function(templatehasrelateddata) {\n                if (templatehasrelateddata) {\n                    str.get_strings([\n                        {key: 'deletetemplate', component: 'tool_lp', param: template.shortname},\n                        {key: 'deletetemplatewithplans', component: 'tool_lp'},\n                        {key: 'deleteplans', component: 'tool_lp'},\n                        {key: 'unlinkplanstemplate', component: 'tool_lp'},\n                        {key: 'confirm', component: 'moodle'},\n                        {key: 'cancel', component: 'moodle'}\n                    ]).done(function(strings) {\n                        var actions = [{'text': strings[2], 'value': 'delete'},\n                                       {'text': strings[3], 'value': 'unlink'}];\n                        var actionselector = new Actionselector(\n                                strings[0], // Title.\n                                strings[1], // Message\n                                actions, // Radio button options.\n                                strings[4], // Confirm.\n                                strings[5]); // Cancel.\n                        actionselector.display();\n                        actionselector.on('save', function(e, data) {\n                            if (data.action != 'delete') {\n                                deleteplans = false;\n                            }\n                            doDelete();\n                        });\n                    }).fail(notification.exception);\n                } else {\n                    str.get_strings([\n                        {key: 'confirm', component: 'moodle'},\n                        {key: 'deletetemplate', component: 'tool_lp', param: template.shortname},\n                        {key: 'delete', component: 'moodle'},\n                        {key: 'cancel', component: 'moodle'}\n                    ]).done(function(strings) {\n                        notification.confirm(\n                        strings[0], // Confirm.\n                        strings[1], // Delete learning plan template X?\n                        strings[2], // Delete.\n                        strings[3], // Cancel.\n                        doDelete\n                        );\n                    }).fail(notification.exception);\n                }\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    return /** @alias module:tool_lp/templateactions */ {\n        // Public variables and functions.\n        /**\n         * Expose the event handler for the delete.\n         * @method deleteHandler\n         * @param {Event} e\n         */\n        deleteHandler: confirmDelete,\n\n        /**\n         * Expose the event handler for the duplicate.\n         * @method duplicateHandler\n         * @param {Event} e\n         */\n        duplicateHandler: doDuplicate,\n\n        /**\n         * Initialise the module.\n         * @method init\n         * @param {Number} contextid The context id of the page.\n         */\n        init: function(contextid) {\n            pagecontextid = contextid;\n        }\n    };\n});\n"],"names":["define","$","templates","ajax","notification","str","Actionselector","pagecontextid","templateid","deleteplans","updatePage","newhtml","newjs","replaceWith","runTemplateJS","reloadList","context","render","done","fail","exception","doDelete","call","methodname","args","id","pagecontext","contextid","deleteHandler","e","preventDefault","this","attr","requests","template","templatehasrelateddata","get_strings","key","component","param","shortname","strings","actions","actionselector","display","on","data","action","confirm","duplicateHandler","init"],"mappings":";;;;;;;;AAuBAA,iCAAO,CAAC,SAAU,iBAAkB,YAAa,oBAAqB,WAAY,2BAC3E,SAASC,EAAGC,UAAWC,KAAMC,aAAcC,IAAKC,oBAI/CC,cAAgB,EAGhBC,WAAa,EAGbC,aAAc,EASdC,WAAa,SAASC,QAASC,OAC/BX,EAAE,mCAAmCY,YAAYF,SACjDT,UAAUY,cAAcF,QASxBG,WAAa,SAASC,SACtBd,UAAUe,OAAO,gCAAiCD,SAC7CE,KAAKR,YACLS,KAAKf,aAAagB,YAOvBC,SAAW,WAGIlB,KAAKmB,KAAK,CAAC,CACtBC,WAAY,kCACZC,KAAM,CAACC,GAAIjB,WACHC,YAAaA,cACtB,CACCc,WAAY,yCACZC,KAAM,CACFE,YAAa,CACTC,UAAWpB,mBAId,GAAGW,KAAKH,YAAYI,KAAKf,aAAagB,kBAgGC,CAOhDQ,cAtEgB,SAASC,GACzBA,EAAEC,qBAEEL,GAAKxB,EAAE8B,MAAMC,KAAK,mBACtBxB,WAAaiB,GACbhB,aAAc,MAEVwB,SAAW9B,KAAKmB,KAAK,CAAC,CACtBC,WAAY,gCACZC,KAAM,CAACC,GAAIjB,aACZ,CACCe,WAAY,4CACZC,KAAM,CAACC,GAAIjB,eAGfyB,SAAS,GAAGf,MAAK,SAASgB,UACtBD,SAAS,GAAGf,MAAK,SAASiB,wBAClBA,uBACA9B,IAAI+B,YAAY,CACZ,CAACC,IAAK,iBAAkBC,UAAW,UAAWC,MAAOL,SAASM,WAC9D,CAACH,IAAK,0BAA2BC,UAAW,WAC5C,CAACD,IAAK,cAAeC,UAAW,WAChC,CAACD,IAAK,sBAAuBC,UAAW,WACxC,CAACD,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,SAAUC,UAAW,YAC5BpB,MAAK,SAASuB,aACTC,QAAU,CAAC,MAASD,QAAQ,SAAa,UAC9B,MAASA,QAAQ,SAAa,WACzCE,eAAiB,IAAIrC,eACjBmC,QAAQ,GACRA,QAAQ,GACRC,QACAD,QAAQ,GACRA,QAAQ,IAChBE,eAAeC,UACfD,eAAeE,GAAG,QAAQ,SAAShB,EAAGiB,MACf,UAAfA,KAAKC,SACLtC,aAAc,GAElBY,iBAELF,KAAKf,aAAagB,WAErBf,IAAI+B,YAAY,CACZ,CAACC,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,iBAAkBC,UAAW,UAAWC,MAAOL,SAASM,WAC9D,CAACH,IAAK,SAAUC,UAAW,UAC3B,CAACD,IAAK,SAAUC,UAAW,YAC5BpB,MAAK,SAASuB,SACbrC,aAAa4C,QACbP,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRpB,aAEDF,KAAKf,aAAagB,cAE1BD,KAAKf,aAAagB,cACtBD,KAAKf,aAAagB,YAkBrB6B,iBAtGc,SAASpB,GACvBA,EAAEC,iBAEFtB,WAAaP,EAAE8B,MAAMC,KAAK,mBAGX7B,KAAKmB,KAAK,CAAC,CACtBC,WAAY,qCACZC,KAAM,CAACC,GAAIjB,aACZ,CACCe,WAAY,yCACZC,KAAM,CACFE,YAAa,CACTC,UAAWpB,mBAId,GAAGW,KAAKH,YAAYI,KAAKf,aAAagB,YA4F/C8B,KAAM,SAASvB,WACXpB,cAAgBoB"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/tree.min.js b/admin/tool/lp/amd/build/tree.min.js
index a5a4ecd4449..795fe0e57d8 100644
--- a/admin/tool/lp/amd/build/tree.min.js
+++ b/admin/tool/lp/amd/build/tree.min.js
@@ -1,2 +1,16 @@
-define ("tool_lp/tree",["jquery","core/url","core/log"],function(a,b,c){var d=a("<img alt=\"\" src=\""+b.imageUrl("t/expanded")+"\"/>"),e=a("<img alt=\"\" src=\""+b.imageUrl("t/collapsed")+"\"/>"),f=function(b,c){this.treeRoot=a(b);this.multiSelect="undefined"==typeof c||!0===c;this.items=this.treeRoot.find("li");this.expandAll=20>this.items.length;this.parents=this.treeRoot.find("li:has(ul)");if(c){this.treeRoot.attr("aria-multiselectable","true")}this.items.attr("aria-selected","false");this.visibleItems=null;this.activeItem=null;this.lastActiveItem=null;this.keys={tab:9,enter:13,space:32,pageup:33,pagedown:34,end:35,home:36,left:37,up:38,right:39,down:40,eight:56,asterisk:106};this.init();this.bindEventHandlers()};f.prototype.init=function(){this.parents.attr("aria-expanded","true");this.parents.prepend(d.clone());this.items.attr("role","tree-item");this.items.attr("tabindex","-1");this.parents.attr("role","group");this.treeRoot.attr("role","tree");this.visibleItems=this.treeRoot.find("li");var b=this;if(!this.expandAll){this.parents.each(function(){b.collapseGroup(a(this))});this.expandGroup(this.parents.first())}};f.prototype.expandGroup=function(a){var b=a.children("ul");b.show().attr("aria-hidden","false");a.attr("aria-expanded","true");a.children("img").attr("src",d.attr("src"));this.visibleItems=this.treeRoot.find("li:visible")};f.prototype.collapseGroup=function(a){var b=a.children("ul");b.hide().attr("aria-hidden","true");a.attr("aria-expanded","false");a.children("img").attr("src",e.attr("src"));this.visibleItems=this.treeRoot.find("li:visible")};f.prototype.toggleGroup=function(a){if("true"==a.attr("aria-expanded")){this.collapseGroup(a)}else{this.expandGroup(a)}};f.prototype.triggerChange=function(){var a=this.items.filter("[aria-selected=true]");if(!this.multiSelect){a=a.first()}this.treeRoot.trigger("selectionchanged",{selected:a})};f.prototype.multiSelectItem=function(b){if(!this.multiSelect){this.items.attr("aria-selected","false")}else if(null!==this.lastActiveItem){var c=this.visibleItems.index(this.lastActiveItem),d=this.visibleItems.index(this.activeItem),e=null;while(c<d){e=a(this.visibleItems.get(c));e.attr("aria-selected","true");c++}while(c>d){e=a(this.visibleItems.get(c));e.attr("aria-selected","true");c--}}b.attr("aria-selected","true");this.triggerChange()};f.prototype.selectItem=function(a){var b=a.parent();while("tree"!=b.attr("role")){b=b.parent();if("false"==b.attr("aria-expanded")){this.expandGroup(b)}b=b.parent()}this.items.attr("aria-selected","false");a.attr("aria-selected","true");this.triggerChange()};f.prototype.toggleItem=function(a){if(!this.multiSelect){this.selectItem(a);return}var b=a.attr("aria-selected");if("true"===b){b="false"}else{b="true"}a.attr("aria-selected",b);this.triggerChange()};f.prototype.updateFocus=function(a){this.lastActiveItem=this.activeItem;this.activeItem=a;var b=a.parent();while("tree"!=b.attr("role")){b=b.parent();if("false"==b.attr("aria-expanded")){this.expandGroup(b)}b=b.parent()}this.items.attr("tabindex","-1");a.attr("tabindex",0)};f.prototype.handleKeyDown=function(b,c){var d=this.visibleItems.index(b),e=null,f=c.shiftKey||c.ctrlKey||c.metaKey||c.altKey,g=this;switch(c.keyCode){case this.keys.home:{e=this.parents.first();e.focus();if(c.shiftKey){this.multiSelectItem(e)}else if(!f){this.selectItem(e)}c.stopPropagation();return!1}case this.keys.end:{e=this.visibleItems.last();e.focus();if(c.shiftKey){this.multiSelectItem(e)}else if(!f){this.selectItem(e)}c.stopPropagation();return!1}case this.keys.enter:case this.keys.space:{if(c.shiftKey){this.multiSelectItem(b)}else if(c.metaKey||c.ctrlKey){this.toggleItem(b)}else{this.selectItem(b)}c.stopPropagation();return!1}case this.keys.left:{if(b.has("ul")&&"true"==b.attr("aria-expanded")){this.collapseGroup(b)}else{var h=b.parent(),i=h.parent();if(i.is("li")){i.focus();if(c.shiftKey){this.multiSelectItem(i)}else if(!f){this.selectItem(i)}}}c.stopPropagation();return!1}case this.keys.right:{if(b.has("ul")&&"false"==b.attr("aria-expanded")){this.expandGroup(b)}else{e=b.children("ul").children("li").first();if(0<e.length){e.focus();if(c.shiftKey){this.multiSelectItem(e)}else if(!f){this.selectItem(e)}}}c.stopPropagation();return!1}case this.keys.up:{if(0<d){var j=this.visibleItems.eq(d-1);j.focus();if(c.shiftKey){this.multiSelectItem(j)}else if(!f){this.selectItem(j)}}c.stopPropagation();return!1}case this.keys.down:{if(d<this.visibleItems.length-1){var k=this.visibleItems.eq(d+1);k.focus();if(c.shiftKey){this.multiSelectItem(k)}else if(!f){this.selectItem(k)}}c.stopPropagation();return!1}case this.keys.asterisk:{this.parents.each(function(){g.expandGroup(a(this))});c.stopPropagation();return!1}case this.keys.eight:{if(c.shiftKey){this.parents.each(function(){g.expandGroup(a(this))});c.stopPropagation()}return!1}}return!0};f.prototype.handleKeyPress=function(a,b){if(b.altKey||b.ctrlKey||b.shiftKey||b.metaKey){return!0}switch(b.keyCode){case this.keys.tab:{return!0}case this.keys.enter:case this.keys.home:case this.keys.end:case this.keys.left:case this.keys.right:case this.keys.up:case this.keys.down:{b.stopPropagation();return!1}default:{var c=String.fromCharCode(b.which),d=!1,e=this.visibleItems.index(a),f=this.visibleItems.length,g=e+1;if(g==f){g=0}while(g!=e){var h=this.visibleItems.eq(g),i=h.text().charAt(0);if(h.has("ul")){i=h.find("span").text().charAt(0)}if(i.toLowerCase()==c){d=!0;break}g=g+1;if(g==f){g=0}}if(!0===d){this.updateFocus(this.visibleItems.eq(g))}b.stopPropagation();return!1}}return!0};f.prototype.on=function(a,b){if("selectionchanged"!==a){c.warning("Invalid custom event name for tree. Only \"selectionchanged\" is supported.")}else{this.treeRoot.on(a,b)}};f.prototype.handleDblClick=function(a,b){if(b.altKey||b.ctrlKey||b.shiftKey||b.metaKey){return!0}this.updateFocus(a);this.toggleGroup(a);b.stopPropagation();return!1};f.prototype.handleExpandCollapseClick=function(a,b){this.toggleGroup(a);b.stopPropagation();return!1};f.prototype.handleClick=function(a,b){if(b.shiftKey){this.multiSelectItem(a)}else if(b.metaKey||b.ctrlKey){this.toggleItem(a)}else{this.selectItem(a)}this.updateFocus(a);b.stopPropagation();return!1};f.prototype.handleBlur=function(){return!0};f.prototype.handleFocus=function(a){this.updateFocus(a);return!0};f.prototype.bindEventHandlers=function(){var b=this;this.parents.dblclick(function(c){return b.handleDblClick(a(this),c)});this.items.click(function(c){return b.handleClick(a(this),c)});this.items.children("img").click(function(c){return b.handleExpandCollapseClick(a(this).parent(),c)});this.items.keydown(function(c){return b.handleKeyDown(a(this),c)});this.items.keypress(function(c){return b.handleKeyPress(a(this),c)});this.items.focus(function(c){return b.handleFocus(a(this),c)});this.items.blur(function(c){return b.handleBlur(a(this),c)})};return f});
-//# sourceMappingURL=tree.min.js.map
+/**
+ * Implement an accessible aria tree widget, from a nested unordered list.
+ * Based on http://oaa-accessibility.org/example/41/
+ *
+ * To respond to selection changed events - use tree.on("selectionchanged", handler).
+ * The handler will receive an array of nodes, which are the list items that are currently
+ * selected. (Or a single node if multiselect is disabled).
+ *
+ * @module     tool_lp/tree
+ * @package    core
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/tree",["jquery","core/url","core/log"],(function($,url,log){var expandedImage=$('<img alt="" src="'+url.imageUrl("t/expanded")+'"/>'),collapsedImage=$('<img alt="" src="'+url.imageUrl("t/collapsed")+'"/>'),Tree=function(selector,multiSelect){this.treeRoot=$(selector),this.multiSelect=void 0===multiSelect||!0===multiSelect,this.items=this.treeRoot.find("li"),this.expandAll=this.items.length<20,this.parents=this.treeRoot.find("li:has(ul)"),multiSelect&&this.treeRoot.attr("aria-multiselectable","true"),this.items.attr("aria-selected","false"),this.visibleItems=null,this.activeItem=null,this.lastActiveItem=null,this.keys={tab:9,enter:13,space:32,pageup:33,pagedown:34,end:35,home:36,left:37,up:38,right:39,down:40,eight:56,asterisk:106},this.init(),this.bindEventHandlers()};return Tree.prototype.init=function(){this.parents.attr("aria-expanded","true"),this.parents.prepend(expandedImage.clone()),this.items.attr("role","tree-item"),this.items.attr("tabindex","-1"),this.parents.attr("role","group"),this.treeRoot.attr("role","tree"),this.visibleItems=this.treeRoot.find("li");var thisObj=this;this.expandAll||(this.parents.each((function(){thisObj.collapseGroup($(this))})),this.expandGroup(this.parents.first()))},Tree.prototype.expandGroup=function(item){item.children("ul").show().attr("aria-hidden","false"),item.attr("aria-expanded","true"),item.children("img").attr("src",expandedImage.attr("src")),this.visibleItems=this.treeRoot.find("li:visible")},Tree.prototype.collapseGroup=function(item){item.children("ul").hide().attr("aria-hidden","true"),item.attr("aria-expanded","false"),item.children("img").attr("src",collapsedImage.attr("src")),this.visibleItems=this.treeRoot.find("li:visible")},Tree.prototype.toggleGroup=function(item){"true"==item.attr("aria-expanded")?this.collapseGroup(item):this.expandGroup(item)},Tree.prototype.triggerChange=function(){var allSelected=this.items.filter("[aria-selected=true]");this.multiSelect||(allSelected=allSelected.first()),this.treeRoot.trigger("selectionchanged",{selected:allSelected})},Tree.prototype.multiSelectItem=function(item){if(this.multiSelect){if(null!==this.lastActiveItem){for(var lastIndex=this.visibleItems.index(this.lastActiveItem),currentIndex=this.visibleItems.index(this.activeItem);lastIndex<currentIndex;)$(this.visibleItems.get(lastIndex)).attr("aria-selected","true"),lastIndex++;for(;lastIndex>currentIndex;)$(this.visibleItems.get(lastIndex)).attr("aria-selected","true"),lastIndex--}}else this.items.attr("aria-selected","false");item.attr("aria-selected","true"),this.triggerChange()},Tree.prototype.selectItem=function(item){for(var walk=item.parent();"tree"!=walk.attr("role");)"false"==(walk=walk.parent()).attr("aria-expanded")&&this.expandGroup(walk),walk=walk.parent();this.items.attr("aria-selected","false"),item.attr("aria-selected","true"),this.triggerChange()},Tree.prototype.toggleItem=function(item){if(this.multiSelect){var current=item.attr("aria-selected");current="true"===current?"false":"true",item.attr("aria-selected",current),this.triggerChange()}else this.selectItem(item)},Tree.prototype.updateFocus=function(item){this.lastActiveItem=this.activeItem,this.activeItem=item;for(var walk=item.parent();"tree"!=walk.attr("role");)"false"==(walk=walk.parent()).attr("aria-expanded")&&this.expandGroup(walk),walk=walk.parent();this.items.attr("tabindex","-1"),item.attr("tabindex",0)},Tree.prototype.handleKeyDown=function(item,e){var currentIndex=this.visibleItems.index(item),newItem=null,hasKeyModifier=e.shiftKey||e.ctrlKey||e.metaKey||e.altKey,thisObj=this;switch(e.keyCode){case this.keys.home:return(newItem=this.parents.first()).focus(),e.shiftKey?this.multiSelectItem(newItem):hasKeyModifier||this.selectItem(newItem),e.stopPropagation(),!1;case this.keys.end:return(newItem=this.visibleItems.last()).focus(),e.shiftKey?this.multiSelectItem(newItem):hasKeyModifier||this.selectItem(newItem),e.stopPropagation(),!1;case this.keys.enter:case this.keys.space:return e.shiftKey?this.multiSelectItem(item):e.metaKey||e.ctrlKey?this.toggleItem(item):this.selectItem(item),e.stopPropagation(),!1;case this.keys.left:if(item.has("ul")&&"true"==item.attr("aria-expanded"))this.collapseGroup(item);else{var itemParent=item.parent().parent();itemParent.is("li")&&(itemParent.focus(),e.shiftKey?this.multiSelectItem(itemParent):hasKeyModifier||this.selectItem(itemParent))}return e.stopPropagation(),!1;case this.keys.right:return item.has("ul")&&"false"==item.attr("aria-expanded")?this.expandGroup(item):(newItem=item.children("ul").children("li").first()).length>0&&(newItem.focus(),e.shiftKey?this.multiSelectItem(newItem):hasKeyModifier||this.selectItem(newItem)),e.stopPropagation(),!1;case this.keys.up:if(currentIndex>0){var prev=this.visibleItems.eq(currentIndex-1);prev.focus(),e.shiftKey?this.multiSelectItem(prev):hasKeyModifier||this.selectItem(prev)}return e.stopPropagation(),!1;case this.keys.down:if(currentIndex<this.visibleItems.length-1){var next=this.visibleItems.eq(currentIndex+1);next.focus(),e.shiftKey?this.multiSelectItem(next):hasKeyModifier||this.selectItem(next)}return e.stopPropagation(),!1;case this.keys.asterisk:return this.parents.each((function(){thisObj.expandGroup($(this))})),e.stopPropagation(),!1;case this.keys.eight:return e.shiftKey&&(this.parents.each((function(){thisObj.expandGroup($(this))})),e.stopPropagation()),!1}return!0},Tree.prototype.handleKeyPress=function(item,e){if(e.altKey||e.ctrlKey||e.shiftKey||e.metaKey)return!0;switch(e.keyCode){case this.keys.tab:return!0;case this.keys.enter:case this.keys.home:case this.keys.end:case this.keys.left:case this.keys.right:case this.keys.up:case this.keys.down:return e.stopPropagation(),!1;default:var chr=String.fromCharCode(e.which),match=!1,itemIndex=this.visibleItems.index(item),itemCount=this.visibleItems.length,currentIndex=itemIndex+1;for(currentIndex==itemCount&&(currentIndex=0);currentIndex!=itemIndex;){var currentItem=this.visibleItems.eq(currentIndex),titleChr=currentItem.text().charAt(0);if(currentItem.has("ul")&&(titleChr=currentItem.find("span").text().charAt(0)),titleChr.toLowerCase()==chr){match=!0;break}(currentIndex+=1)==itemCount&&(currentIndex=0)}return!0===match&&this.updateFocus(this.visibleItems.eq(currentIndex)),e.stopPropagation(),!1}return!0},Tree.prototype.on=function(eventname,handler){"selectionchanged"!==eventname?log.warning('Invalid custom event name for tree. Only "selectionchanged" is supported.'):this.treeRoot.on(eventname,handler)},Tree.prototype.handleDblClick=function(item,e){return!!(e.altKey||e.ctrlKey||e.shiftKey||e.metaKey)||(this.updateFocus(item),this.toggleGroup(item),e.stopPropagation(),!1)},Tree.prototype.handleExpandCollapseClick=function(item,e){return this.toggleGroup(item),e.stopPropagation(),!1},Tree.prototype.handleClick=function(item,e){return e.shiftKey?this.multiSelectItem(item):e.metaKey||e.ctrlKey?this.toggleItem(item):this.selectItem(item),this.updateFocus(item),e.stopPropagation(),!1},Tree.prototype.handleBlur=function(){return!0},Tree.prototype.handleFocus=function(item){return this.updateFocus(item),!0},Tree.prototype.bindEventHandlers=function(){var thisObj=this;this.parents.dblclick((function(e){return thisObj.handleDblClick($(this),e)})),this.items.click((function(e){return thisObj.handleClick($(this),e)})),this.items.children("img").click((function(e){return thisObj.handleExpandCollapseClick($(this).parent(),e)})),this.items.keydown((function(e){return thisObj.handleKeyDown($(this),e)})),this.items.keypress((function(e){return thisObj.handleKeyPress($(this),e)})),this.items.focus((function(e){return thisObj.handleFocus($(this),e)})),this.items.blur((function(e){return thisObj.handleBlur($(this),e)}))},Tree}));
+
+//# sourceMappingURL=tree.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/tree.min.js.map b/admin/tool/lp/amd/build/tree.min.js.map
index 0d9d004b322..d246b5d2bda 100644
--- a/admin/tool/lp/amd/build/tree.min.js.map
+++ b/admin/tool/lp/amd/build/tree.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Implement an accessible aria tree widget, from a nested unordered list.\n * Based on http://oaa-accessibility.org/example/41/\n *\n * To respond to selection changed events - use tree.on(\"selectionchanged\", handler).\n * The handler will receive an array of nodes, which are the list items that are currently\n * selected. (Or a single node if multiselect is disabled).\n *\n * @module     tool_lp/tree\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/url', 'core/log'], function($, url, log) {\n    // Private variables and functions.\n    /** @var {String} expandedImage The html for an expanded tree node twistie. */\n    var expandedImage = $('<img alt=\"\" src=\"' + url.imageUrl('t/expanded') + '\"/>');\n    /** @var {String} collapsedImage The html for a collapsed tree node twistie. */\n    var collapsedImage = $('<img alt=\"\" src=\"' + url.imageUrl('t/collapsed') + '\"/>');\n\n    /**\n     * Constructor\n     *\n     * @param {String} selector\n     * @param {Boolean} multiSelect\n     */\n    var Tree = function(selector, multiSelect) {\n        this.treeRoot = $(selector);\n        this.multiSelect = (typeof multiSelect === 'undefined' || multiSelect === true);\n\n        this.items = this.treeRoot.find('li');\n        this.expandAll = this.items.length < 20;\n        this.parents = this.treeRoot.find('li:has(ul)');\n\n        if (multiSelect) {\n            this.treeRoot.attr('aria-multiselectable', 'true');\n        }\n\n        this.items.attr('aria-selected', 'false');\n\n        this.visibleItems = null;\n        this.activeItem = null;\n        this.lastActiveItem = null;\n\n        this.keys = {\n            tab:      9,\n            enter:    13,\n            space:    32,\n            pageup:   33,\n            pagedown: 34,\n            end:      35,\n            home:     36,\n            left:     37,\n            up:       38,\n            right:    39,\n            down:     40,\n            eight:    56,\n            asterisk: 106\n        };\n\n        this.init();\n\n        this.bindEventHandlers();\n    };\n    // Public variables and functions.\n\n    /**\n     * Init this tree\n     * @method init\n     */\n    Tree.prototype.init = function() {\n        this.parents.attr('aria-expanded', 'true');\n        this.parents.prepend(expandedImage.clone());\n\n        this.items.attr('role', 'tree-item');\n        this.items.attr('tabindex', '-1');\n        this.parents.attr('role', 'group');\n        this.treeRoot.attr('role', 'tree');\n\n        this.visibleItems = this.treeRoot.find('li');\n\n        var thisObj = this;\n        if (!this.expandAll) {\n            this.parents.each(function() {\n                thisObj.collapseGroup($(this));\n            });\n            this.expandGroup(this.parents.first());\n        }\n    };\n\n    /**\n     * Expand a collapsed group.\n     *\n     * @method expandGroup\n     * @param {Object} item is the jquery id of the parent item of the group\n     */\n    Tree.prototype.expandGroup = function(item) {\n        // Find the first child ul node.\n        var group = item.children('ul');\n\n        // Expand the group.\n        group.show().attr('aria-hidden', 'false');\n\n        item.attr('aria-expanded', 'true');\n\n        item.children('img').attr('src', expandedImage.attr('src'));\n\n        // Update the list of visible items.\n        this.visibleItems = this.treeRoot.find('li:visible');\n    };\n\n    /**\n     * Collapse an expanded group.\n     *\n     * @method collapseGroup\n     * @param {Object} item is the jquery id of the parent item of the group\n     */\n    Tree.prototype.collapseGroup = function(item) {\n        var group = item.children('ul');\n\n        // Collapse the group.\n        group.hide().attr('aria-hidden', 'true');\n\n        item.attr('aria-expanded', 'false');\n\n        item.children('img').attr('src', collapsedImage.attr('src'));\n\n        // Update the list of visible items.\n        this.visibleItems = this.treeRoot.find('li:visible');\n    };\n\n    /**\n     * Expand or collapse a group.\n     *\n     * @method toggleGroup\n     * @param {Object} item is the jquery id of the parent item of the group\n     */\n    Tree.prototype.toggleGroup = function(item) {\n        if (item.attr('aria-expanded') == 'true') {\n            this.collapseGroup(item);\n        } else {\n            this.expandGroup(item);\n        }\n    };\n\n    /**\n     * Whenever the currently selected node has changed, trigger an event using this function.\n     *\n     * @method triggerChange\n     */\n    Tree.prototype.triggerChange = function() {\n        var allSelected = this.items.filter('[aria-selected=true]');\n        if (!this.multiSelect) {\n            allSelected = allSelected.first();\n        }\n        this.treeRoot.trigger('selectionchanged', {selected: allSelected});\n    };\n\n    /**\n     * Select all the items between the last focused item and this currently focused item.\n     *\n     * @method multiSelectItem\n     * @param {Object} item is the jquery id of the newly selected item.\n     */\n    Tree.prototype.multiSelectItem = function(item) {\n        if (!this.multiSelect) {\n            this.items.attr('aria-selected', 'false');\n        } else if (this.lastActiveItem !== null) {\n            var lastIndex = this.visibleItems.index(this.lastActiveItem);\n            var currentIndex = this.visibleItems.index(this.activeItem);\n            var oneItem = null;\n\n            while (lastIndex < currentIndex) {\n                oneItem = $(this.visibleItems.get(lastIndex));\n                oneItem.attr('aria-selected', 'true');\n                lastIndex++;\n            }\n            while (lastIndex > currentIndex) {\n                oneItem = $(this.visibleItems.get(lastIndex));\n                oneItem.attr('aria-selected', 'true');\n                lastIndex--;\n            }\n        }\n\n        item.attr('aria-selected', 'true');\n        this.triggerChange();\n    };\n\n    /**\n     * Select a single item. Make sure all the parents are expanded. De-select all other items.\n     *\n     * @method selectItem\n     * @param {Object} item is the jquery id of the newly selected item.\n     */\n    Tree.prototype.selectItem = function(item) {\n        // Expand all nodes up the tree.\n        var walk = item.parent();\n        while (walk.attr('role') != 'tree') {\n            walk = walk.parent();\n            if (walk.attr('aria-expanded') == 'false') {\n                this.expandGroup(walk);\n            }\n            walk = walk.parent();\n        }\n        this.items.attr('aria-selected', 'false');\n        item.attr('aria-selected', 'true');\n        this.triggerChange();\n    };\n\n    /**\n     * Toggle the selected state for an item back and forth.\n     *\n     * @method toggleItem\n     * @param {Object} item is the jquery id of the item to toggle.\n     */\n    Tree.prototype.toggleItem = function(item) {\n        if (!this.multiSelect) {\n            this.selectItem(item);\n            return;\n        }\n\n        var current = item.attr('aria-selected');\n        if (current === 'true') {\n            current = 'false';\n        } else {\n            current = 'true';\n        }\n        item.attr('aria-selected', current);\n        this.triggerChange();\n    };\n\n    /**\n     * Set the focus to this item.\n     *\n     * @method updateFocus\n     * @param {Object} item is the jquery id of the parent item of the group\n     */\n    Tree.prototype.updateFocus = function(item) {\n        this.lastActiveItem = this.activeItem;\n        this.activeItem = item;\n        // Expand all nodes up the tree.\n        var walk = item.parent();\n        while (walk.attr('role') != 'tree') {\n            walk = walk.parent();\n            if (walk.attr('aria-expanded') == 'false') {\n                this.expandGroup(walk);\n            }\n            walk = walk.parent();\n        }\n        this.items.attr('tabindex', '-1');\n        item.attr('tabindex', 0);\n    };\n\n    /**\n     * Handle a key down event - ie navigate the tree.\n     *\n     * @method handleKeyDown\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n     // This function should be simplified. In the meantime..\n    // eslint-disable-next-line complexity\n    Tree.prototype.handleKeyDown = function(item, e) {\n        var currentIndex = this.visibleItems.index(item);\n        var newItem = null;\n        var hasKeyModifier = e.shiftKey || e.ctrlKey || e.metaKey || e.altKey;\n        var thisObj = this;\n\n        switch (e.keyCode) {\n            case this.keys.home: {\n                 // Jump to first item in tree.\n                newItem = this.parents.first();\n                newItem.focus();\n                if (e.shiftKey) {\n                    this.multiSelectItem(newItem);\n                } else if (!hasKeyModifier) {\n                    this.selectItem(newItem);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.end: {\n                 // Jump to last visible item.\n                newItem = this.visibleItems.last();\n                newItem.focus();\n                if (e.shiftKey) {\n                    this.multiSelectItem(newItem);\n                } else if (!hasKeyModifier) {\n                    this.selectItem(newItem);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.enter:\n            case this.keys.space: {\n\n                if (e.shiftKey) {\n                    this.multiSelectItem(item);\n                } else if (e.metaKey || e.ctrlKey) {\n                    this.toggleItem(item);\n                } else {\n                    this.selectItem(item);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.left: {\n                if (item.has('ul') && item.attr('aria-expanded') == 'true') {\n                    this.collapseGroup(item);\n                } else {\n                    // Move up to the parent.\n                    var itemUL = item.parent();\n                    var itemParent = itemUL.parent();\n                    if (itemParent.is('li')) {\n                        itemParent.focus();\n                        if (e.shiftKey) {\n                            this.multiSelectItem(itemParent);\n                        } else if (!hasKeyModifier) {\n                            this.selectItem(itemParent);\n                        }\n                    }\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.right: {\n                if (item.has('ul') && item.attr('aria-expanded') == 'false') {\n                    this.expandGroup(item);\n                } else {\n                    // Move to the first item in the child group.\n                    newItem = item.children('ul').children('li').first();\n                    if (newItem.length > 0) {\n                        newItem.focus();\n                        if (e.shiftKey) {\n                            this.multiSelectItem(newItem);\n                        } else if (!hasKeyModifier) {\n                            this.selectItem(newItem);\n                        }\n                    }\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.up: {\n\n                if (currentIndex > 0) {\n                    var prev = this.visibleItems.eq(currentIndex - 1);\n                    prev.focus();\n                    if (e.shiftKey) {\n                        this.multiSelectItem(prev);\n                    } else if (!hasKeyModifier) {\n                        this.selectItem(prev);\n                    }\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.down: {\n\n                if (currentIndex < this.visibleItems.length - 1) {\n                    var next = this.visibleItems.eq(currentIndex + 1);\n                    next.focus();\n                    if (e.shiftKey) {\n                        this.multiSelectItem(next);\n                    } else if (!hasKeyModifier) {\n                        this.selectItem(next);\n                    }\n                }\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.asterisk: {\n                // Expand all groups.\n                this.parents.each(function() {\n                    thisObj.expandGroup($(this));\n                });\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.eight: {\n                if (e.shiftKey) {\n                    // Expand all groups.\n                    this.parents.each(function() {\n                        thisObj.expandGroup($(this));\n                    });\n\n                    e.stopPropagation();\n                }\n\n                return false;\n            }\n        }\n\n        return true;\n    };\n\n    /**\n     * Handle a key press event - ie navigate the tree.\n     *\n     * @method handleKeyPress\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleKeyPress = function(item, e) {\n        if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {\n            // Do nothing.\n            return true;\n        }\n\n        switch (e.keyCode) {\n            case this.keys.tab: {\n                return true;\n            }\n            case this.keys.enter:\n            case this.keys.home:\n            case this.keys.end:\n            case this.keys.left:\n            case this.keys.right:\n            case this.keys.up:\n            case this.keys.down: {\n                e.stopPropagation();\n                return false;\n            }\n            default : {\n                var chr = String.fromCharCode(e.which);\n                var match = false;\n                var itemIndex = this.visibleItems.index(item);\n                var itemCount = this.visibleItems.length;\n                var currentIndex = itemIndex + 1;\n\n                // Check if the active item was the last one on the list.\n                if (currentIndex == itemCount) {\n                    currentIndex = 0;\n                }\n\n                // Iterate through the menu items (starting from the current item and wrapping) until a match is found\n                // or the loop returns to the current menu item.\n                while (currentIndex != itemIndex) {\n\n                    var currentItem = this.visibleItems.eq(currentIndex);\n                    var titleChr = currentItem.text().charAt(0);\n\n                    if (currentItem.has('ul')) {\n                        titleChr = currentItem.find('span').text().charAt(0);\n                    }\n\n                    if (titleChr.toLowerCase() == chr) {\n                        match = true;\n                        break;\n                    }\n\n                    currentIndex = currentIndex + 1;\n                    if (currentIndex == itemCount) {\n                        // Reached the end of the list, start again at the beginning.\n                        currentIndex = 0;\n                    }\n                }\n\n                if (match === true) {\n                    this.updateFocus(this.visibleItems.eq(currentIndex));\n                }\n                e.stopPropagation();\n                return false;\n            }\n        }\n\n        // eslint-disable-next-line no-unreachable\n        return true;\n    };\n\n    /**\n     * Attach an event listener to the tree.\n     *\n     * @method on\n     * @param {String} eventname This is the name of the event to listen for. Only 'selectionchanged' is supported for now.\n     * @param {Function} handler The function to call when the event is triggered.\n     */\n    Tree.prototype.on = function(eventname, handler) {\n        if (eventname !== 'selectionchanged') {\n            log.warning('Invalid custom event name for tree. Only \"selectionchanged\" is supported.');\n        } else {\n            this.treeRoot.on(eventname, handler);\n        }\n    };\n\n    /**\n     * Handle a double click (expand/collapse).\n     *\n     * @method handleDblClick\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleDblClick = function(item, e) {\n\n        if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {\n            // Do nothing.\n            return true;\n        }\n\n        // Apply the focus markup.\n        this.updateFocus(item);\n\n        // Expand or collapse the group.\n        this.toggleGroup(item);\n\n        e.stopPropagation();\n        return false;\n    };\n\n    /**\n     * Handle a click (select).\n     *\n     * @method handleExpandCollapseClick\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleExpandCollapseClick = function(item, e) {\n\n        // Do not shift the focus.\n        this.toggleGroup(item);\n        e.stopPropagation();\n        return false;\n    };\n\n\n    /**\n     * Handle a click (select).\n     *\n     * @method handleClick\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleClick = function(item, e) {\n\n        if (e.shiftKey) {\n            this.multiSelectItem(item);\n        } else if (e.metaKey || e.ctrlKey) {\n            this.toggleItem(item);\n        } else {\n            this.selectItem(item);\n        }\n        this.updateFocus(item);\n        e.stopPropagation();\n        return false;\n    };\n\n    /**\n     * Handle a blur event\n     *\n     * @method handleBlur\n     * @param {Object} item item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleBlur = function() {\n        return true;\n    };\n\n    /**\n     * Handle a focus event\n     *\n     * @method handleFocus\n     * @param {Object} item item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleFocus = function(item) {\n\n        this.updateFocus(item);\n\n        return true;\n    };\n\n    /**\n     * Bind the event listeners we require.\n     *\n     * @method bindEventHandlers\n     */\n    Tree.prototype.bindEventHandlers = function() {\n        var thisObj = this;\n\n        // Bind a dblclick handler to the parent items.\n        this.parents.dblclick(function(e) {\n            return thisObj.handleDblClick($(this), e);\n        });\n\n        // Bind a click handler.\n        this.items.click(function(e) {\n            return thisObj.handleClick($(this), e);\n        });\n\n        // Bind a toggle handler to the expand/collapse icons.\n        this.items.children('img').click(function(e) {\n            return thisObj.handleExpandCollapseClick($(this).parent(), e);\n        });\n\n        // Bind a keydown handler.\n        this.items.keydown(function(e) {\n            return thisObj.handleKeyDown($(this), e);\n        });\n\n        // Bind a keypress handler.\n        this.items.keypress(function(e) {\n            return thisObj.handleKeyPress($(this), e);\n        });\n\n        // Bind a focus handler.\n        this.items.focus(function(e) {\n            return thisObj.handleFocus($(this), e);\n        });\n\n        // Bind a blur handler.\n        this.items.blur(function(e) {\n            return thisObj.handleBlur($(this), e);\n        });\n\n    };\n\n    return /** @alias module:tool_lp/tree */ Tree;\n});\n"],"file":"tree.min.js"}
\ No newline at end of file
+{"version":3,"file":"tree.min.js","sources":["../src/tree.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Implement an accessible aria tree widget, from a nested unordered list.\n * Based on http://oaa-accessibility.org/example/41/\n *\n * To respond to selection changed events - use tree.on(\"selectionchanged\", handler).\n * The handler will receive an array of nodes, which are the list items that are currently\n * selected. (Or a single node if multiselect is disabled).\n *\n * @module     tool_lp/tree\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/url', 'core/log'], function($, url, log) {\n    // Private variables and functions.\n    /** @var {String} expandedImage The html for an expanded tree node twistie. */\n    var expandedImage = $('<img alt=\"\" src=\"' + url.imageUrl('t/expanded') + '\"/>');\n    /** @var {String} collapsedImage The html for a collapsed tree node twistie. */\n    var collapsedImage = $('<img alt=\"\" src=\"' + url.imageUrl('t/collapsed') + '\"/>');\n\n    /**\n     * Constructor\n     *\n     * @param {String} selector\n     * @param {Boolean} multiSelect\n     */\n    var Tree = function(selector, multiSelect) {\n        this.treeRoot = $(selector);\n        this.multiSelect = (typeof multiSelect === 'undefined' || multiSelect === true);\n\n        this.items = this.treeRoot.find('li');\n        this.expandAll = this.items.length < 20;\n        this.parents = this.treeRoot.find('li:has(ul)');\n\n        if (multiSelect) {\n            this.treeRoot.attr('aria-multiselectable', 'true');\n        }\n\n        this.items.attr('aria-selected', 'false');\n\n        this.visibleItems = null;\n        this.activeItem = null;\n        this.lastActiveItem = null;\n\n        this.keys = {\n            tab:      9,\n            enter:    13,\n            space:    32,\n            pageup:   33,\n            pagedown: 34,\n            end:      35,\n            home:     36,\n            left:     37,\n            up:       38,\n            right:    39,\n            down:     40,\n            eight:    56,\n            asterisk: 106\n        };\n\n        this.init();\n\n        this.bindEventHandlers();\n    };\n    // Public variables and functions.\n\n    /**\n     * Init this tree\n     * @method init\n     */\n    Tree.prototype.init = function() {\n        this.parents.attr('aria-expanded', 'true');\n        this.parents.prepend(expandedImage.clone());\n\n        this.items.attr('role', 'tree-item');\n        this.items.attr('tabindex', '-1');\n        this.parents.attr('role', 'group');\n        this.treeRoot.attr('role', 'tree');\n\n        this.visibleItems = this.treeRoot.find('li');\n\n        var thisObj = this;\n        if (!this.expandAll) {\n            this.parents.each(function() {\n                thisObj.collapseGroup($(this));\n            });\n            this.expandGroup(this.parents.first());\n        }\n    };\n\n    /**\n     * Expand a collapsed group.\n     *\n     * @method expandGroup\n     * @param {Object} item is the jquery id of the parent item of the group\n     */\n    Tree.prototype.expandGroup = function(item) {\n        // Find the first child ul node.\n        var group = item.children('ul');\n\n        // Expand the group.\n        group.show().attr('aria-hidden', 'false');\n\n        item.attr('aria-expanded', 'true');\n\n        item.children('img').attr('src', expandedImage.attr('src'));\n\n        // Update the list of visible items.\n        this.visibleItems = this.treeRoot.find('li:visible');\n    };\n\n    /**\n     * Collapse an expanded group.\n     *\n     * @method collapseGroup\n     * @param {Object} item is the jquery id of the parent item of the group\n     */\n    Tree.prototype.collapseGroup = function(item) {\n        var group = item.children('ul');\n\n        // Collapse the group.\n        group.hide().attr('aria-hidden', 'true');\n\n        item.attr('aria-expanded', 'false');\n\n        item.children('img').attr('src', collapsedImage.attr('src'));\n\n        // Update the list of visible items.\n        this.visibleItems = this.treeRoot.find('li:visible');\n    };\n\n    /**\n     * Expand or collapse a group.\n     *\n     * @method toggleGroup\n     * @param {Object} item is the jquery id of the parent item of the group\n     */\n    Tree.prototype.toggleGroup = function(item) {\n        if (item.attr('aria-expanded') == 'true') {\n            this.collapseGroup(item);\n        } else {\n            this.expandGroup(item);\n        }\n    };\n\n    /**\n     * Whenever the currently selected node has changed, trigger an event using this function.\n     *\n     * @method triggerChange\n     */\n    Tree.prototype.triggerChange = function() {\n        var allSelected = this.items.filter('[aria-selected=true]');\n        if (!this.multiSelect) {\n            allSelected = allSelected.first();\n        }\n        this.treeRoot.trigger('selectionchanged', {selected: allSelected});\n    };\n\n    /**\n     * Select all the items between the last focused item and this currently focused item.\n     *\n     * @method multiSelectItem\n     * @param {Object} item is the jquery id of the newly selected item.\n     */\n    Tree.prototype.multiSelectItem = function(item) {\n        if (!this.multiSelect) {\n            this.items.attr('aria-selected', 'false');\n        } else if (this.lastActiveItem !== null) {\n            var lastIndex = this.visibleItems.index(this.lastActiveItem);\n            var currentIndex = this.visibleItems.index(this.activeItem);\n            var oneItem = null;\n\n            while (lastIndex < currentIndex) {\n                oneItem = $(this.visibleItems.get(lastIndex));\n                oneItem.attr('aria-selected', 'true');\n                lastIndex++;\n            }\n            while (lastIndex > currentIndex) {\n                oneItem = $(this.visibleItems.get(lastIndex));\n                oneItem.attr('aria-selected', 'true');\n                lastIndex--;\n            }\n        }\n\n        item.attr('aria-selected', 'true');\n        this.triggerChange();\n    };\n\n    /**\n     * Select a single item. Make sure all the parents are expanded. De-select all other items.\n     *\n     * @method selectItem\n     * @param {Object} item is the jquery id of the newly selected item.\n     */\n    Tree.prototype.selectItem = function(item) {\n        // Expand all nodes up the tree.\n        var walk = item.parent();\n        while (walk.attr('role') != 'tree') {\n            walk = walk.parent();\n            if (walk.attr('aria-expanded') == 'false') {\n                this.expandGroup(walk);\n            }\n            walk = walk.parent();\n        }\n        this.items.attr('aria-selected', 'false');\n        item.attr('aria-selected', 'true');\n        this.triggerChange();\n    };\n\n    /**\n     * Toggle the selected state for an item back and forth.\n     *\n     * @method toggleItem\n     * @param {Object} item is the jquery id of the item to toggle.\n     */\n    Tree.prototype.toggleItem = function(item) {\n        if (!this.multiSelect) {\n            this.selectItem(item);\n            return;\n        }\n\n        var current = item.attr('aria-selected');\n        if (current === 'true') {\n            current = 'false';\n        } else {\n            current = 'true';\n        }\n        item.attr('aria-selected', current);\n        this.triggerChange();\n    };\n\n    /**\n     * Set the focus to this item.\n     *\n     * @method updateFocus\n     * @param {Object} item is the jquery id of the parent item of the group\n     */\n    Tree.prototype.updateFocus = function(item) {\n        this.lastActiveItem = this.activeItem;\n        this.activeItem = item;\n        // Expand all nodes up the tree.\n        var walk = item.parent();\n        while (walk.attr('role') != 'tree') {\n            walk = walk.parent();\n            if (walk.attr('aria-expanded') == 'false') {\n                this.expandGroup(walk);\n            }\n            walk = walk.parent();\n        }\n        this.items.attr('tabindex', '-1');\n        item.attr('tabindex', 0);\n    };\n\n    /**\n     * Handle a key down event - ie navigate the tree.\n     *\n     * @method handleKeyDown\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n     // This function should be simplified. In the meantime..\n    // eslint-disable-next-line complexity\n    Tree.prototype.handleKeyDown = function(item, e) {\n        var currentIndex = this.visibleItems.index(item);\n        var newItem = null;\n        var hasKeyModifier = e.shiftKey || e.ctrlKey || e.metaKey || e.altKey;\n        var thisObj = this;\n\n        switch (e.keyCode) {\n            case this.keys.home: {\n                 // Jump to first item in tree.\n                newItem = this.parents.first();\n                newItem.focus();\n                if (e.shiftKey) {\n                    this.multiSelectItem(newItem);\n                } else if (!hasKeyModifier) {\n                    this.selectItem(newItem);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.end: {\n                 // Jump to last visible item.\n                newItem = this.visibleItems.last();\n                newItem.focus();\n                if (e.shiftKey) {\n                    this.multiSelectItem(newItem);\n                } else if (!hasKeyModifier) {\n                    this.selectItem(newItem);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.enter:\n            case this.keys.space: {\n\n                if (e.shiftKey) {\n                    this.multiSelectItem(item);\n                } else if (e.metaKey || e.ctrlKey) {\n                    this.toggleItem(item);\n                } else {\n                    this.selectItem(item);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.left: {\n                if (item.has('ul') && item.attr('aria-expanded') == 'true') {\n                    this.collapseGroup(item);\n                } else {\n                    // Move up to the parent.\n                    var itemUL = item.parent();\n                    var itemParent = itemUL.parent();\n                    if (itemParent.is('li')) {\n                        itemParent.focus();\n                        if (e.shiftKey) {\n                            this.multiSelectItem(itemParent);\n                        } else if (!hasKeyModifier) {\n                            this.selectItem(itemParent);\n                        }\n                    }\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.right: {\n                if (item.has('ul') && item.attr('aria-expanded') == 'false') {\n                    this.expandGroup(item);\n                } else {\n                    // Move to the first item in the child group.\n                    newItem = item.children('ul').children('li').first();\n                    if (newItem.length > 0) {\n                        newItem.focus();\n                        if (e.shiftKey) {\n                            this.multiSelectItem(newItem);\n                        } else if (!hasKeyModifier) {\n                            this.selectItem(newItem);\n                        }\n                    }\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.up: {\n\n                if (currentIndex > 0) {\n                    var prev = this.visibleItems.eq(currentIndex - 1);\n                    prev.focus();\n                    if (e.shiftKey) {\n                        this.multiSelectItem(prev);\n                    } else if (!hasKeyModifier) {\n                        this.selectItem(prev);\n                    }\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.down: {\n\n                if (currentIndex < this.visibleItems.length - 1) {\n                    var next = this.visibleItems.eq(currentIndex + 1);\n                    next.focus();\n                    if (e.shiftKey) {\n                        this.multiSelectItem(next);\n                    } else if (!hasKeyModifier) {\n                        this.selectItem(next);\n                    }\n                }\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.asterisk: {\n                // Expand all groups.\n                this.parents.each(function() {\n                    thisObj.expandGroup($(this));\n                });\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.eight: {\n                if (e.shiftKey) {\n                    // Expand all groups.\n                    this.parents.each(function() {\n                        thisObj.expandGroup($(this));\n                    });\n\n                    e.stopPropagation();\n                }\n\n                return false;\n            }\n        }\n\n        return true;\n    };\n\n    /**\n     * Handle a key press event - ie navigate the tree.\n     *\n     * @method handleKeyPress\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleKeyPress = function(item, e) {\n        if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {\n            // Do nothing.\n            return true;\n        }\n\n        switch (e.keyCode) {\n            case this.keys.tab: {\n                return true;\n            }\n            case this.keys.enter:\n            case this.keys.home:\n            case this.keys.end:\n            case this.keys.left:\n            case this.keys.right:\n            case this.keys.up:\n            case this.keys.down: {\n                e.stopPropagation();\n                return false;\n            }\n            default : {\n                var chr = String.fromCharCode(e.which);\n                var match = false;\n                var itemIndex = this.visibleItems.index(item);\n                var itemCount = this.visibleItems.length;\n                var currentIndex = itemIndex + 1;\n\n                // Check if the active item was the last one on the list.\n                if (currentIndex == itemCount) {\n                    currentIndex = 0;\n                }\n\n                // Iterate through the menu items (starting from the current item and wrapping) until a match is found\n                // or the loop returns to the current menu item.\n                while (currentIndex != itemIndex) {\n\n                    var currentItem = this.visibleItems.eq(currentIndex);\n                    var titleChr = currentItem.text().charAt(0);\n\n                    if (currentItem.has('ul')) {\n                        titleChr = currentItem.find('span').text().charAt(0);\n                    }\n\n                    if (titleChr.toLowerCase() == chr) {\n                        match = true;\n                        break;\n                    }\n\n                    currentIndex = currentIndex + 1;\n                    if (currentIndex == itemCount) {\n                        // Reached the end of the list, start again at the beginning.\n                        currentIndex = 0;\n                    }\n                }\n\n                if (match === true) {\n                    this.updateFocus(this.visibleItems.eq(currentIndex));\n                }\n                e.stopPropagation();\n                return false;\n            }\n        }\n\n        // eslint-disable-next-line no-unreachable\n        return true;\n    };\n\n    /**\n     * Attach an event listener to the tree.\n     *\n     * @method on\n     * @param {String} eventname This is the name of the event to listen for. Only 'selectionchanged' is supported for now.\n     * @param {Function} handler The function to call when the event is triggered.\n     */\n    Tree.prototype.on = function(eventname, handler) {\n        if (eventname !== 'selectionchanged') {\n            log.warning('Invalid custom event name for tree. Only \"selectionchanged\" is supported.');\n        } else {\n            this.treeRoot.on(eventname, handler);\n        }\n    };\n\n    /**\n     * Handle a double click (expand/collapse).\n     *\n     * @method handleDblClick\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleDblClick = function(item, e) {\n\n        if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {\n            // Do nothing.\n            return true;\n        }\n\n        // Apply the focus markup.\n        this.updateFocus(item);\n\n        // Expand or collapse the group.\n        this.toggleGroup(item);\n\n        e.stopPropagation();\n        return false;\n    };\n\n    /**\n     * Handle a click (select).\n     *\n     * @method handleExpandCollapseClick\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleExpandCollapseClick = function(item, e) {\n\n        // Do not shift the focus.\n        this.toggleGroup(item);\n        e.stopPropagation();\n        return false;\n    };\n\n\n    /**\n     * Handle a click (select).\n     *\n     * @method handleClick\n     * @param {Object} item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleClick = function(item, e) {\n\n        if (e.shiftKey) {\n            this.multiSelectItem(item);\n        } else if (e.metaKey || e.ctrlKey) {\n            this.toggleItem(item);\n        } else {\n            this.selectItem(item);\n        }\n        this.updateFocus(item);\n        e.stopPropagation();\n        return false;\n    };\n\n    /**\n     * Handle a blur event\n     *\n     * @method handleBlur\n     * @param {Object} item item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleBlur = function() {\n        return true;\n    };\n\n    /**\n     * Handle a focus event\n     *\n     * @method handleFocus\n     * @param {Object} item item is the jquery id of the parent item of the group\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleFocus = function(item) {\n\n        this.updateFocus(item);\n\n        return true;\n    };\n\n    /**\n     * Bind the event listeners we require.\n     *\n     * @method bindEventHandlers\n     */\n    Tree.prototype.bindEventHandlers = function() {\n        var thisObj = this;\n\n        // Bind a dblclick handler to the parent items.\n        this.parents.dblclick(function(e) {\n            return thisObj.handleDblClick($(this), e);\n        });\n\n        // Bind a click handler.\n        this.items.click(function(e) {\n            return thisObj.handleClick($(this), e);\n        });\n\n        // Bind a toggle handler to the expand/collapse icons.\n        this.items.children('img').click(function(e) {\n            return thisObj.handleExpandCollapseClick($(this).parent(), e);\n        });\n\n        // Bind a keydown handler.\n        this.items.keydown(function(e) {\n            return thisObj.handleKeyDown($(this), e);\n        });\n\n        // Bind a keypress handler.\n        this.items.keypress(function(e) {\n            return thisObj.handleKeyPress($(this), e);\n        });\n\n        // Bind a focus handler.\n        this.items.focus(function(e) {\n            return thisObj.handleFocus($(this), e);\n        });\n\n        // Bind a blur handler.\n        this.items.blur(function(e) {\n            return thisObj.handleBlur($(this), e);\n        });\n\n    };\n\n    return /** @alias module:tool_lp/tree */ 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\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/user_competency_course_navigation.min.js b/admin/tool/lp/amd/build/user_competency_course_navigation.min.js
index 6bf284959ce..69c6882829d 100644
--- a/admin/tool/lp/amd/build/user_competency_course_navigation.min.js
+++ b/admin/tool/lp/amd/build/user_competency_course_navigation.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/user_competency_course_navigation",["jquery"],function(a){var b=function(b,c,d,e,f,g){this._baseUrl=d;this._userId=e+"";this._competencyId=f+"";this._courseId=g;a(b).on("change",this._userChanged.bind(this));a(c).on("change",this._competencyChanged.bind(this))};b.prototype._userChanged=function(b){var c=a(b.target).val(),d="?userid="+c+"&courseid="+this._courseId+"&competencyid="+this._competencyId;document.location=this._baseUrl+d};b.prototype._competencyChanged=function(b){var c=a(b.target).val(),d="?userid="+this._userId+"&courseid="+this._courseId+"&competencyid="+c;document.location=this._baseUrl+d};b.prototype._competencyId=null;b.prototype._userId=null;b.prototype._courseId=null;b.prototype._baseUrl=null;b.prototype._ignoreFirstCompetency=null;return b});
-//# sourceMappingURL=user_competency_course_navigation.min.js.map
+/**
+ * Module to enable inline editing of a comptency grade.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/user_competency_course_navigation",["jquery"],(function($){var UserCompetencyCourseNavigation=function(userSelector,competencySelector,baseUrl,userId,competencyId,courseId){this._baseUrl=baseUrl,this._userId=userId+"",this._competencyId=competencyId+"",this._courseId=courseId,$(userSelector).on("change",this._userChanged.bind(this)),$(competencySelector).on("change",this._competencyChanged.bind(this))};return UserCompetencyCourseNavigation.prototype._userChanged=function(e){var queryStr="?userid="+$(e.target).val()+"&courseid="+this._courseId+"&competencyid="+this._competencyId;document.location=this._baseUrl+queryStr},UserCompetencyCourseNavigation.prototype._competencyChanged=function(e){var newCompetencyId=$(e.target).val(),queryStr="?userid="+this._userId+"&courseid="+this._courseId+"&competencyid="+newCompetencyId;document.location=this._baseUrl+queryStr},UserCompetencyCourseNavigation.prototype._competencyId=null,UserCompetencyCourseNavigation.prototype._userId=null,UserCompetencyCourseNavigation.prototype._courseId=null,UserCompetencyCourseNavigation.prototype._baseUrl=null,UserCompetencyCourseNavigation.prototype._ignoreFirstCompetency=null,UserCompetencyCourseNavigation}));
+
+//# sourceMappingURL=user_competency_course_navigation.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/user_competency_course_navigation.min.js.map b/admin/tool/lp/amd/build/user_competency_course_navigation.min.js.map
index 2ad4133b7e4..b133b39044f 100644
--- a/admin/tool/lp/amd/build/user_competency_course_navigation.min.js.map
+++ b/admin/tool/lp/amd/build/user_competency_course_navigation.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/user_competency_course_navigation.js"],"names":["define","$","UserCompetencyCourseNavigation","userSelector","competencySelector","baseUrl","userId","competencyId","courseId","_baseUrl","_userId","_competencyId","_courseId","on","_userChanged","bind","_competencyChanged","prototype","e","newUserId","target","val","queryStr","document","location","newCompetencyId","_ignoreFirstCompetency"],"mappings":"AAuBAA,OAAM,6CAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAY3B,GAAIC,CAAAA,CAA8B,CAAG,SAASC,CAAT,CAAuBC,CAAvB,CAA2CC,CAA3C,CAAoDC,CAApD,CAA4DC,CAA5D,CAA0EC,CAA1E,CAAoF,CACrH,KAAKC,QAAL,CAAgBJ,CAAhB,CACA,KAAKK,OAAL,CAAeJ,CAAM,CAAG,EAAxB,CACA,KAAKK,aAAL,CAAqBJ,CAAY,CAAG,EAApC,CACA,KAAKK,SAAL,CAAiBJ,CAAjB,CAEAP,CAAC,CAACE,CAAD,CAAD,CAAgBU,EAAhB,CAAmB,QAAnB,CAA6B,KAAKC,YAAL,CAAkBC,IAAlB,CAAuB,IAAvB,CAA7B,EACAd,CAAC,CAACG,CAAD,CAAD,CAAsBS,EAAtB,CAAyB,QAAzB,CAAmC,KAAKG,kBAAL,CAAwBD,IAAxB,CAA6B,IAA7B,CAAnC,CACH,CARD,CAgBAb,CAA8B,CAACe,SAA/B,CAAyCH,YAAzC,CAAwD,SAASI,CAAT,CAAY,IAC5DC,CAAAA,CAAS,CAAGlB,CAAC,CAACiB,CAAC,CAACE,MAAH,CAAD,CAAYC,GAAZ,EADgD,CAE5DC,CAAQ,CAAG,WAAaH,CAAb,CAAyB,YAAzB,CAAwC,KAAKP,SAA7C,CAAyD,gBAAzD,CAA4E,KAAKD,aAFhC,CAGhEY,QAAQ,CAACC,QAAT,CAAoB,KAAKf,QAAL,CAAgBa,CACvC,CAJD,CAYApB,CAA8B,CAACe,SAA/B,CAAyCD,kBAAzC,CAA8D,SAASE,CAAT,CAAY,IAClEO,CAAAA,CAAe,CAAGxB,CAAC,CAACiB,CAAC,CAACE,MAAH,CAAD,CAAYC,GAAZ,EADgD,CAElEC,CAAQ,CAAG,WAAa,KAAKZ,OAAlB,CAA4B,YAA5B,CAA2C,KAAKE,SAAhD,CAA4D,gBAA5D,CAA+Ea,CAFxB,CAGtEF,QAAQ,CAACC,QAAT,CAAoB,KAAKf,QAAL,CAAgBa,CACvC,CAJD,CAOApB,CAA8B,CAACe,SAA/B,CAAyCN,aAAzC,CAAyD,IAAzD,CAEAT,CAA8B,CAACe,SAA/B,CAAyCP,OAAzC,CAAmD,IAAnD,CAEAR,CAA8B,CAACe,SAA/B,CAAyCL,SAAzC,CAAqD,IAArD,CAEAV,CAA8B,CAACe,SAA/B,CAAyCR,QAAzC,CAAoD,IAApD,CAEAP,CAA8B,CAACe,SAA/B,CAAyCS,sBAAzC,CAAkE,IAAlE,CAEA,MAAsExB,CAAAA,CAEzE,CA3DK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to enable inline editing of a comptency grade.\n *\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * UserCompetencyCourseNavigation\n     *\n     * @param {String} userSelector The selector of the user element.\n     * @param {String} competencySelector The selector of the competency element.\n     * @param {String} baseUrl The base url for the page (no params).\n     * @param {Number} userId The user id\n     * @param {Number} competencyId The competency id\n     * @param {Number} courseId The course id\n     */\n    var UserCompetencyCourseNavigation = function(userSelector, competencySelector, baseUrl, userId, competencyId, courseId) {\n        this._baseUrl = baseUrl;\n        this._userId = userId + '';\n        this._competencyId = competencyId + '';\n        this._courseId = courseId;\n\n        $(userSelector).on('change', this._userChanged.bind(this));\n        $(competencySelector).on('change', this._competencyChanged.bind(this));\n    };\n\n    /**\n     * The user was changed in the select list.\n     *\n     * @method _userChanged\n     * @param {Event} e\n     */\n    UserCompetencyCourseNavigation.prototype._userChanged = function(e) {\n        var newUserId = $(e.target).val();\n        var queryStr = '?userid=' + newUserId + '&courseid=' + this._courseId + '&competencyid=' + this._competencyId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /**\n     * The competency was changed in the select list.\n     *\n     * @method _competencyChanged\n     * @param {Event} e\n     */\n    UserCompetencyCourseNavigation.prototype._competencyChanged = function(e) {\n        var newCompetencyId = $(e.target).val();\n        var queryStr = '?userid=' + this._userId + '&courseid=' + this._courseId + '&competencyid=' + newCompetencyId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /** @type {Number} The id of the competency. */\n    UserCompetencyCourseNavigation.prototype._competencyId = null;\n    /** @type {Number} The id of the user. */\n    UserCompetencyCourseNavigation.prototype._userId = null;\n    /** @type {Number} The id of the course. */\n    UserCompetencyCourseNavigation.prototype._courseId = null;\n    /** @type {String} Plugin base url. */\n    UserCompetencyCourseNavigation.prototype._baseUrl = null;\n    /** @type {Boolean} Ignore the first change event for competencies. */\n    UserCompetencyCourseNavigation.prototype._ignoreFirstCompetency = null;\n\n    return /** @alias module:tool_lp/user_competency_course_navigation */ UserCompetencyCourseNavigation;\n\n});\n"],"file":"user_competency_course_navigation.min.js"}
\ No newline at end of file
+{"version":3,"file":"user_competency_course_navigation.min.js","sources":["../src/user_competency_course_navigation.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to enable inline editing of a comptency grade.\n *\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * UserCompetencyCourseNavigation\n     *\n     * @param {String} userSelector The selector of the user element.\n     * @param {String} competencySelector The selector of the competency element.\n     * @param {String} baseUrl The base url for the page (no params).\n     * @param {Number} userId The user id\n     * @param {Number} competencyId The competency id\n     * @param {Number} courseId The course id\n     */\n    var UserCompetencyCourseNavigation = function(userSelector, competencySelector, baseUrl, userId, competencyId, courseId) {\n        this._baseUrl = baseUrl;\n        this._userId = userId + '';\n        this._competencyId = competencyId + '';\n        this._courseId = courseId;\n\n        $(userSelector).on('change', this._userChanged.bind(this));\n        $(competencySelector).on('change', this._competencyChanged.bind(this));\n    };\n\n    /**\n     * The user was changed in the select list.\n     *\n     * @method _userChanged\n     * @param {Event} e\n     */\n    UserCompetencyCourseNavigation.prototype._userChanged = function(e) {\n        var newUserId = $(e.target).val();\n        var queryStr = '?userid=' + newUserId + '&courseid=' + this._courseId + '&competencyid=' + this._competencyId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /**\n     * The competency was changed in the select list.\n     *\n     * @method _competencyChanged\n     * @param {Event} e\n     */\n    UserCompetencyCourseNavigation.prototype._competencyChanged = function(e) {\n        var newCompetencyId = $(e.target).val();\n        var queryStr = '?userid=' + this._userId + '&courseid=' + this._courseId + '&competencyid=' + newCompetencyId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /** @type {Number} The id of the competency. */\n    UserCompetencyCourseNavigation.prototype._competencyId = null;\n    /** @type {Number} The id of the user. */\n    UserCompetencyCourseNavigation.prototype._userId = null;\n    /** @type {Number} The id of the course. */\n    UserCompetencyCourseNavigation.prototype._courseId = null;\n    /** @type {String} Plugin base url. */\n    UserCompetencyCourseNavigation.prototype._baseUrl = null;\n    /** @type {Boolean} Ignore the first change event for competencies. */\n    UserCompetencyCourseNavigation.prototype._ignoreFirstCompetency = null;\n\n    return /** @alias module:tool_lp/user_competency_course_navigation */ UserCompetencyCourseNavigation;\n\n});\n"],"names":["define","$","UserCompetencyCourseNavigation","userSelector","competencySelector","baseUrl","userId","competencyId","courseId","_baseUrl","_userId","_competencyId","_courseId","on","this","_userChanged","bind","_competencyChanged","prototype","e","queryStr","target","val","document","location","newCompetencyId","_ignoreFirstCompetency"],"mappings":";;;;;;;AAuBAA,mDAAO,CAAC,WAAW,SAASC,OAYpBC,+BAAiC,SAASC,aAAcC,mBAAoBC,QAASC,OAAQC,aAAcC,eACtGC,SAAWJ,aACXK,QAAUJ,OAAS,QACnBK,cAAgBJ,aAAe,QAC/BK,UAAYJ,SAEjBP,EAAEE,cAAcU,GAAG,SAAUC,KAAKC,aAAaC,KAAKF,OACpDb,EAAEG,oBAAoBS,GAAG,SAAUC,KAAKG,mBAAmBD,KAAKF,eASpEZ,+BAA+BgB,UAAUH,aAAe,SAASI,OAEzDC,SAAW,WADCnB,EAAEkB,EAAEE,QAAQC,MACY,aAAeR,KAAKF,UAAY,iBAAmBE,KAAKH,cAChGY,SAASC,SAAWV,KAAKL,SAAWW,UASxClB,+BAA+BgB,UAAUD,mBAAqB,SAASE,OAC/DM,gBAAkBxB,EAAEkB,EAAEE,QAAQC,MAC9BF,SAAW,WAAaN,KAAKJ,QAAU,aAAeI,KAAKF,UAAY,iBAAmBa,gBAC9FF,SAASC,SAAWV,KAAKL,SAAWW,UAIxClB,+BAA+BgB,UAAUP,cAAgB,KAEzDT,+BAA+BgB,UAAUR,QAAU,KAEnDR,+BAA+BgB,UAAUN,UAAY,KAErDV,+BAA+BgB,UAAUT,SAAW,KAEpDP,+BAA+BgB,UAAUQ,uBAAyB,KAEIxB"}
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diff --git a/admin/tool/lp/amd/build/user_competency_info.min.js b/admin/tool/lp/amd/build/user_competency_info.min.js
index c4a3f727781..0e2fb85e705 100644
--- a/admin/tool/lp/amd/build/user_competency_info.min.js
+++ b/admin/tool/lp/amd/build/user_competency_info.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/user_competency_info",["jquery","core/notification","core/ajax","core/templates"],function(a,b,c,d){var e=function(a,b,c,d,e,f){this._rootElement=a;this._competencyId=b;this._userId=c;this._planId=d;this._courseId=e;this._valid=!0;this._displayuser="undefined"!=typeof f?f:!1;if(this._planId){this._methodName="tool_lp_data_for_user_competency_summary_in_plan";this._args={competencyid:this._competencyId,planid:this._planId};this._templateName="tool_lp/user_competency_summary_in_plan"}else if(this._courseId){this._methodName="tool_lp_data_for_user_competency_summary_in_course";this._args={userid:this._userId,competencyid:this._competencyId,courseid:this._courseId};this._templateName="tool_lp/user_competency_summary_in_course"}else{this._methodName="tool_lp_data_for_user_competency_summary";this._args={userid:this._userId,competencyid:this._competencyId};this._templateName="tool_lp/user_competency_summary"}};e.prototype.reload=function(){var a=this,e=[];if(!this._valid){return}e=c.call([{methodname:this._methodName,args:this._args}]);e[0].done(function(c){if(a._displayuser){c.displayuser=!0}d.render(a._templateName,c).done(function(b,c){d.replaceNode(a._rootElement,b,c)}).fail(b.exception)}).fail(b.exception)};e.prototype._rootElement=null;e.prototype._courseId=null;e.prototype._valid=null;e.prototype._planId=null;e.prototype._competencyId=null;e.prototype._userId=null;e.prototype._methodName=null;e.prototype._args=null;e.prototype._templateName=null;e.prototype._displayuser=!1;return e});
-//# sourceMappingURL=user_competency_info.min.js.map
+/**
+ * Module to refresh a user competency summary in a page.
+ *
+ * @package    tool_lp
+ * @copyright  2015 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/user_competency_info",["jquery","core/notification","core/ajax","core/templates"],(function($,notification,ajax,templates){var Info=function(rootElement,competencyId,userId,planId,courseId,displayuser){this._rootElement=rootElement,this._competencyId=competencyId,this._userId=userId,this._planId=planId,this._courseId=courseId,this._valid=!0,this._displayuser=void 0!==displayuser&&displayuser,this._planId?(this._methodName="tool_lp_data_for_user_competency_summary_in_plan",this._args={competencyid:this._competencyId,planid:this._planId},this._templateName="tool_lp/user_competency_summary_in_plan"):this._courseId?(this._methodName="tool_lp_data_for_user_competency_summary_in_course",this._args={userid:this._userId,competencyid:this._competencyId,courseid:this._courseId},this._templateName="tool_lp/user_competency_summary_in_course"):(this._methodName="tool_lp_data_for_user_competency_summary",this._args={userid:this._userId,competencyid:this._competencyId},this._templateName="tool_lp/user_competency_summary")};return Info.prototype.reload=function(){var self=this;this._valid&&ajax.call([{methodname:this._methodName,args:this._args}])[0].done((function(context){self._displayuser&&(context.displayuser=!0),templates.render(self._templateName,context).done((function(html,js){templates.replaceNode(self._rootElement,html,js)})).fail(notification.exception)})).fail(notification.exception)},Info.prototype._rootElement=null,Info.prototype._courseId=null,Info.prototype._valid=null,Info.prototype._planId=null,Info.prototype._competencyId=null,Info.prototype._userId=null,Info.prototype._methodName=null,Info.prototype._args=null,Info.prototype._templateName=null,Info.prototype._displayuser=!1,Info}));
+
+//# sourceMappingURL=user_competency_info.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/user_competency_info.min.js.map b/admin/tool/lp/amd/build/user_competency_info.min.js.map
index af6f8b4d125..ff965fc8ac8 100644
--- a/admin/tool/lp/amd/build/user_competency_info.min.js.map
+++ b/admin/tool/lp/amd/build/user_competency_info.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to refresh a user competency summary in a page.\n *\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/notification', 'core/ajax', 'core/templates'], function($, notification, ajax, templates) {\n\n    /**\n     * Info\n     *\n     * @param {JQuery} rootElement Selector to replace when the information needs updating.\n     * @param {Number} competencyId The id of the competency.\n     * @param {Number} userId The id of the user.\n     * @param {Number} planId The id of the plan.\n     * @param {Number} courseId The id of the course.\n     * @param {Boolean} displayuser If we should display the user info.\n     */\n    var Info = function(rootElement, competencyId, userId, planId, courseId, displayuser) {\n        this._rootElement = rootElement;\n        this._competencyId = competencyId;\n        this._userId = userId;\n        this._planId = planId;\n        this._courseId = courseId;\n        this._valid = true;\n        this._displayuser = (typeof displayuser !== 'undefined') ? displayuser : false;\n\n        if (this._planId) {\n            this._methodName = 'tool_lp_data_for_user_competency_summary_in_plan';\n            this._args = {competencyid: this._competencyId, planid: this._planId};\n            this._templateName = 'tool_lp/user_competency_summary_in_plan';\n        } else if (this._courseId) {\n            this._methodName = 'tool_lp_data_for_user_competency_summary_in_course';\n            this._args = {userid: this._userId, competencyid: this._competencyId, courseid: this._courseId};\n            this._templateName = 'tool_lp/user_competency_summary_in_course';\n        } else {\n            this._methodName = 'tool_lp_data_for_user_competency_summary';\n            this._args = {userid: this._userId, competencyid: this._competencyId};\n            this._templateName = 'tool_lp/user_competency_summary';\n        }\n    };\n\n    /**\n     * Reload the info for this user competency.\n     *\n     * @method reload\n     */\n    Info.prototype.reload = function() {\n        var self = this,\n            promises = [];\n\n        if (!this._valid) {\n            return;\n        }\n\n        promises = ajax.call([{\n            methodname: this._methodName,\n            args: this._args\n        }]);\n\n        promises[0].done(function(context) {\n            // Check if we should also the user info.\n            if (self._displayuser) {\n                context.displayuser = true;\n            }\n            templates.render(self._templateName, context).done(function(html, js) {\n                templates.replaceNode(self._rootElement, html, js);\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /** @type {JQuery} The root element to replace in the DOM. */\n    Info.prototype._rootElement = null;\n    /** @type {Number} The id of the course. */\n    Info.prototype._courseId = null;\n    /** @type {Boolean} Is this module valid? */\n    Info.prototype._valid = null;\n    /** @type {Number} The id of the plan. */\n    Info.prototype._planId = null;\n    /** @type {Number} The id of the competency. */\n    Info.prototype._competencyId = null;\n    /** @type {Number} The id of the user. */\n    Info.prototype._userId = null;\n    /** @type {String} The method name to load the data. */\n    Info.prototype._methodName = null;\n    /** @type {Object} The arguments to load the data. */\n    Info.prototype._args = null;\n    /** @type {String} The template to reload the fragment. */\n    Info.prototype._templateName = null;\n    /** @type {Boolean} If we should display the user info? */\n    Info.prototype._displayuser = false;\n\n    return /** @alias module:tool_lp/user_competency_info */ Info;\n\n});\n"],"file":"user_competency_info.min.js"}
\ No newline at end of file
+{"version":3,"file":"user_competency_info.min.js","sources":["../src/user_competency_info.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to refresh a user competency summary in a page.\n *\n * @package    tool_lp\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/notification', 'core/ajax', 'core/templates'], function($, notification, ajax, templates) {\n\n    /**\n     * Info\n     *\n     * @param {JQuery} rootElement Selector to replace when the information needs updating.\n     * @param {Number} competencyId The id of the competency.\n     * @param {Number} userId The id of the user.\n     * @param {Number} planId The id of the plan.\n     * @param {Number} courseId The id of the course.\n     * @param {Boolean} displayuser If we should display the user info.\n     */\n    var Info = function(rootElement, competencyId, userId, planId, courseId, displayuser) {\n        this._rootElement = rootElement;\n        this._competencyId = competencyId;\n        this._userId = userId;\n        this._planId = planId;\n        this._courseId = courseId;\n        this._valid = true;\n        this._displayuser = (typeof displayuser !== 'undefined') ? displayuser : false;\n\n        if (this._planId) {\n            this._methodName = 'tool_lp_data_for_user_competency_summary_in_plan';\n            this._args = {competencyid: this._competencyId, planid: this._planId};\n            this._templateName = 'tool_lp/user_competency_summary_in_plan';\n        } else if (this._courseId) {\n            this._methodName = 'tool_lp_data_for_user_competency_summary_in_course';\n            this._args = {userid: this._userId, competencyid: this._competencyId, courseid: this._courseId};\n            this._templateName = 'tool_lp/user_competency_summary_in_course';\n        } else {\n            this._methodName = 'tool_lp_data_for_user_competency_summary';\n            this._args = {userid: this._userId, competencyid: this._competencyId};\n            this._templateName = 'tool_lp/user_competency_summary';\n        }\n    };\n\n    /**\n     * Reload the info for this user competency.\n     *\n     * @method reload\n     */\n    Info.prototype.reload = function() {\n        var self = this,\n            promises = [];\n\n        if (!this._valid) {\n            return;\n        }\n\n        promises = ajax.call([{\n            methodname: this._methodName,\n            args: this._args\n        }]);\n\n        promises[0].done(function(context) {\n            // Check if we should also the user info.\n            if (self._displayuser) {\n                context.displayuser = true;\n            }\n            templates.render(self._templateName, context).done(function(html, js) {\n                templates.replaceNode(self._rootElement, html, js);\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /** @type {JQuery} The root element to replace in the DOM. */\n    Info.prototype._rootElement = null;\n    /** @type {Number} The id of the course. */\n    Info.prototype._courseId = null;\n    /** @type {Boolean} Is this module valid? */\n    Info.prototype._valid = null;\n    /** @type {Number} The id of the plan. */\n    Info.prototype._planId = null;\n    /** @type {Number} The id of the competency. */\n    Info.prototype._competencyId = null;\n    /** @type {Number} The id of the user. */\n    Info.prototype._userId = null;\n    /** @type {String} The method name to load the data. */\n    Info.prototype._methodName = null;\n    /** @type {Object} The arguments to load the data. */\n    Info.prototype._args = null;\n    /** @type {String} The template to reload the fragment. */\n    Info.prototype._templateName = null;\n    /** @type {Boolean} If we should display the user info? */\n    Info.prototype._displayuser = false;\n\n    return /** @alias module:tool_lp/user_competency_info */ Info;\n\n});\n"],"names":["define","$","notification","ajax","templates","Info","rootElement","competencyId","userId","planId","courseId","displayuser","_rootElement","_competencyId","_userId","_planId","_courseId","_valid","_displayuser","this","_methodName","_args","competencyid","planid","_templateName","userid","courseid","prototype","reload","self","call","methodname","args","done","context","render","html","js","replaceNode","fail","exception"],"mappings":";;;;;;;AAuBAA,sCAAO,CAAC,SAAU,oBAAqB,YAAa,mBAAmB,SAASC,EAAGC,aAAcC,KAAMC,eAY/FC,KAAO,SAASC,YAAaC,aAAcC,OAAQC,OAAQC,SAAUC,kBAChEC,aAAeN,iBACfO,cAAgBN,kBAChBO,QAAUN,YACVO,QAAUN,YACVO,UAAYN,cACZO,QAAS,OACTC,kBAAuC,IAAhBP,aAA+BA,YAEvDQ,KAAKJ,cACAK,YAAc,wDACdC,MAAQ,CAACC,aAAcH,KAAKN,cAAeU,OAAQJ,KAAKJ,cACxDS,cAAgB,2CACdL,KAAKH,gBACPI,YAAc,0DACdC,MAAQ,CAACI,OAAQN,KAAKL,QAASQ,aAAcH,KAAKN,cAAea,SAAUP,KAAKH,gBAChFQ,cAAgB,mDAEhBJ,YAAc,gDACdC,MAAQ,CAACI,OAAQN,KAAKL,QAASQ,aAAcH,KAAKN,oBAClDW,cAAgB,2CAS7BnB,KAAKsB,UAAUC,OAAS,eAChBC,KAAOV,KAGNA,KAAKF,QAICd,KAAK2B,KAAK,CAAC,CAClBC,WAAYZ,KAAKC,YACjBY,KAAMb,KAAKE,SAGN,GAAGY,MAAK,SAASC,SAElBL,KAAKX,eACLgB,QAAQvB,aAAc,GAE1BP,UAAU+B,OAAON,KAAKL,cAAeU,SAASD,MAAK,SAASG,KAAMC,IAC9DjC,UAAUkC,YAAYT,KAAKjB,aAAcwB,KAAMC,OAChDE,KAAKrC,aAAasC,cACtBD,KAAKrC,aAAasC,YAIzBnC,KAAKsB,UAAUf,aAAe,KAE9BP,KAAKsB,UAAUX,UAAY,KAE3BX,KAAKsB,UAAUV,OAAS,KAExBZ,KAAKsB,UAAUZ,QAAU,KAEzBV,KAAKsB,UAAUd,cAAgB,KAE/BR,KAAKsB,UAAUb,QAAU,KAEzBT,KAAKsB,UAAUP,YAAc,KAE7Bf,KAAKsB,UAAUN,MAAQ,KAEvBhB,KAAKsB,UAAUH,cAAgB,KAE/BnB,KAAKsB,UAAUT,cAAe,EAE2Bb"}
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/user_competency_plan_popup.min.js b/admin/tool/lp/amd/build/user_competency_plan_popup.min.js
index cda67b49907..cd10aed1f7f 100644
--- a/admin/tool/lp/amd/build/user_competency_plan_popup.min.js
+++ b/admin/tool/lp/amd/build/user_competency_plan_popup.min.js
@@ -1,2 +1,10 @@
-define ("tool_lp/user_competency_plan_popup",["jquery","core/notification","core/str","core/ajax","core/templates","tool_lp/dialogue"],function(a,b,c,d,e,f){var g=function(b,c,d){this._regionSelector=b;this._userCompetencySelector=c;this._planId=d;a(this._regionSelector).on("click",this._userCompetencySelector,this._handleClick.bind(this))};g.prototype._handleClick=function(c){c.preventDefault();var e=a(c.target).closest("tr"),f=a(e).data("competencyid"),g=a(e).data("userid"),h=this._planId,i=d.call([{methodname:"tool_lp_data_for_user_competency_summary_in_plan",args:{competencyid:f,planid:h},done:this._contextLoaded.bind(this),fail:b.exception}]);i[0].then(function(a){var b="core_competency_user_competency_viewed_in_plan";if(a.plan.iscompleted){b="core_competency_user_competency_plan_viewed"}return d.call([{methodname:b,args:{competencyid:f,userid:g,planid:h}}])[0]}).catch(b.exception)};g.prototype._contextLoaded=function(a){var d=this;e.render("tool_lp/user_competency_summary_in_plan",a).done(function(a,g){c.get_string("usercompetencysummary","report_competency").done(function(b){new f(b,a,e.runTemplateJS.bind(e,g),d._refresh.bind(d),!0)}).fail(b.exception)}).fail(b.exception)};g.prototype._refresh=function(){var a=this._planId;d.call([{methodname:"tool_lp_data_for_plan_page",args:{planid:a},done:this._pageContextLoaded.bind(this),fail:b.exception}])};g.prototype._pageContextLoaded=function(a){var c=this;e.render("tool_lp/plan_page",a).done(function(a,b){e.replaceNode(c._regionSelector,a,b)}).fail(b.exception)};g.prototype._regionSelector=null;g.prototype._userCompetencySelector=null;g.prototype._planId=null;return g});
-//# sourceMappingURL=user_competency_plan_popup.min.js.map
+/**
+ * Module to open user competency plan in popup
+ *
+ * @package    report_competency
+ * @copyright  2016 Issam Taboubi <issam.taboubi@umontreal.ca>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/user_competency_plan_popup",["jquery","core/notification","core/str","core/ajax","core/templates","tool_lp/dialogue"],(function($,notification,str,ajax,templates,Dialogue){var UserCompetencyPopup=function(regionSelector,userCompetencySelector,planId){this._regionSelector=regionSelector,this._userCompetencySelector=userCompetencySelector,this._planId=planId,$(this._regionSelector).on("click",this._userCompetencySelector,this._handleClick.bind(this))};return UserCompetencyPopup.prototype._handleClick=function(e){e.preventDefault();var tr=$(e.target).closest("tr"),competencyId=$(tr).data("competencyid"),userId=$(tr).data("userid"),planId=this._planId;ajax.call([{methodname:"tool_lp_data_for_user_competency_summary_in_plan",args:{competencyid:competencyId,planid:planId},done:this._contextLoaded.bind(this),fail:notification.exception}])[0].then((function(result){var eventMethodName="core_competency_user_competency_viewed_in_plan";return result.plan.iscompleted&&(eventMethodName="core_competency_user_competency_plan_viewed"),ajax.call([{methodname:eventMethodName,args:{competencyid:competencyId,userid:userId,planid:planId}}])[0]})).catch(notification.exception)},UserCompetencyPopup.prototype._contextLoaded=function(context){var self=this;templates.render("tool_lp/user_competency_summary_in_plan",context).done((function(html,js){str.get_string("usercompetencysummary","report_competency").done((function(title){new Dialogue(title,html,templates.runTemplateJS.bind(templates,js),self._refresh.bind(self),!0)})).fail(notification.exception)})).fail(notification.exception)},UserCompetencyPopup.prototype._refresh=function(){var planId=this._planId;ajax.call([{methodname:"tool_lp_data_for_plan_page",args:{planid:planId},done:this._pageContextLoaded.bind(this),fail:notification.exception}])},UserCompetencyPopup.prototype._pageContextLoaded=function(context){var self=this;templates.render("tool_lp/plan_page",context).done((function(html,js){templates.replaceNode(self._regionSelector,html,js)})).fail(notification.exception)},UserCompetencyPopup.prototype._regionSelector=null,UserCompetencyPopup.prototype._userCompetencySelector=null,UserCompetencyPopup.prototype._planId=null,UserCompetencyPopup}));
+
+//# sourceMappingURL=user_competency_plan_popup.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/user_competency_plan_popup.min.js.map b/admin/tool/lp/amd/build/user_competency_plan_popup.min.js.map
index 88d6b17bf57..5887d918e90 100644
--- a/admin/tool/lp/amd/build/user_competency_plan_popup.min.js.map
+++ b/admin/tool/lp/amd/build/user_competency_plan_popup.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to open user competency plan in popup\n *\n * @package    report_competency\n * @copyright  2016 Issam Taboubi <issam.taboubi@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/notification', 'core/str', 'core/ajax', 'core/templates', 'tool_lp/dialogue'],\n       function($, notification, str, ajax, templates, Dialogue) {\n\n    /**\n     * UserCompetencyPopup\n     *\n     * @param {String} regionSelector The regionSelector\n     * @param {String} userCompetencySelector The userCompetencySelector\n     * @param {Number} planId The plan ID\n     */\n    var UserCompetencyPopup = function(regionSelector, userCompetencySelector, planId) {\n        this._regionSelector = regionSelector;\n        this._userCompetencySelector = userCompetencySelector;\n        this._planId = planId;\n\n        $(this._regionSelector).on('click', this._userCompetencySelector, this._handleClick.bind(this));\n    };\n\n    /**\n     * Get the data from the closest TR and open the popup.\n     *\n     * @method _handleClick\n     * @param {Event} e\n     */\n    UserCompetencyPopup.prototype._handleClick = function(e) {\n        e.preventDefault();\n        var tr = $(e.target).closest('tr');\n        var competencyId = $(tr).data('competencyid');\n        var userId = $(tr).data('userid');\n        var planId = this._planId;\n\n        var requests = ajax.call([{\n            methodname: 'tool_lp_data_for_user_competency_summary_in_plan',\n            args: {competencyid: competencyId, planid: planId},\n            done: this._contextLoaded.bind(this),\n            fail: notification.exception\n        }]);\n        // Log the user competency viewed in plan event.\n        requests[0].then(function(result) {\n            var eventMethodName = 'core_competency_user_competency_viewed_in_plan';\n            // Trigger core_competency_user_competency_plan_viewed event instead if plan is already completed.\n            if (result.plan.iscompleted) {\n                eventMethodName = 'core_competency_user_competency_plan_viewed';\n            }\n            return ajax.call([{\n                methodname: eventMethodName,\n                args: {competencyid: competencyId, userid: userId, planid: planId}\n            }])[0];\n        }).catch(notification.exception);\n    };\n\n    /**\n     * We loaded the context, now render the template.\n     *\n     * @method _contextLoaded\n     * @param {Object} context\n     */\n    UserCompetencyPopup.prototype._contextLoaded = function(context) {\n        var self = this;\n        templates.render('tool_lp/user_competency_summary_in_plan', context).done(function(html, js) {\n            str.get_string('usercompetencysummary', 'report_competency').done(function(title) {\n                (new Dialogue(title, html, templates.runTemplateJS.bind(templates, js), self._refresh.bind(self), true));\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Refresh the page.\n     *\n     * @method _refresh\n     */\n    UserCompetencyPopup.prototype._refresh = function() {\n        var planId = this._planId;\n\n        ajax.call([{\n            methodname: 'tool_lp_data_for_plan_page',\n            args: {planid: planId},\n            done: this._pageContextLoaded.bind(this),\n            fail: notification.exception\n        }]);\n    };\n\n    /**\n     * We loaded the context, now render the template.\n     *\n     * @method _pageContextLoaded\n     * @param {Object} context\n     */\n    UserCompetencyPopup.prototype._pageContextLoaded = function(context) {\n        var self = this;\n        templates.render('tool_lp/plan_page', context).done(function(html, js) {\n            templates.replaceNode(self._regionSelector, html, js);\n        }).fail(notification.exception);\n    };\n\n    /** @type {String} The selector for the region with the user competencies */\n    UserCompetencyPopup.prototype._regionSelector = null;\n    /** @type {String} The selector for the region with a single user competencies */\n    UserCompetencyPopup.prototype._userCompetencySelector = null;\n    /** @type {Number} The plan Id */\n    UserCompetencyPopup.prototype._planId = null;\n\n    return /** @alias module:tool_lp/user_competency_plan_popup */ UserCompetencyPopup;\n\n});\n"],"file":"user_competency_plan_popup.min.js"}
\ No newline at end of file
+{"version":3,"file":"user_competency_plan_popup.min.js","sources":["../src/user_competency_plan_popup.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to open user competency plan in popup\n *\n * @package    report_competency\n * @copyright  2016 Issam Taboubi <issam.taboubi@umontreal.ca>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/notification', 'core/str', 'core/ajax', 'core/templates', 'tool_lp/dialogue'],\n       function($, notification, str, ajax, templates, Dialogue) {\n\n    /**\n     * UserCompetencyPopup\n     *\n     * @param {String} regionSelector The regionSelector\n     * @param {String} userCompetencySelector The userCompetencySelector\n     * @param {Number} planId The plan ID\n     */\n    var UserCompetencyPopup = function(regionSelector, userCompetencySelector, planId) {\n        this._regionSelector = regionSelector;\n        this._userCompetencySelector = userCompetencySelector;\n        this._planId = planId;\n\n        $(this._regionSelector).on('click', this._userCompetencySelector, this._handleClick.bind(this));\n    };\n\n    /**\n     * Get the data from the closest TR and open the popup.\n     *\n     * @method _handleClick\n     * @param {Event} e\n     */\n    UserCompetencyPopup.prototype._handleClick = function(e) {\n        e.preventDefault();\n        var tr = $(e.target).closest('tr');\n        var competencyId = $(tr).data('competencyid');\n        var userId = $(tr).data('userid');\n        var planId = this._planId;\n\n        var requests = ajax.call([{\n            methodname: 'tool_lp_data_for_user_competency_summary_in_plan',\n            args: {competencyid: competencyId, planid: planId},\n            done: this._contextLoaded.bind(this),\n            fail: notification.exception\n        }]);\n        // Log the user competency viewed in plan event.\n        requests[0].then(function(result) {\n            var eventMethodName = 'core_competency_user_competency_viewed_in_plan';\n            // Trigger core_competency_user_competency_plan_viewed event instead if plan is already completed.\n            if (result.plan.iscompleted) {\n                eventMethodName = 'core_competency_user_competency_plan_viewed';\n            }\n            return ajax.call([{\n                methodname: eventMethodName,\n                args: {competencyid: competencyId, userid: userId, planid: planId}\n            }])[0];\n        }).catch(notification.exception);\n    };\n\n    /**\n     * We loaded the context, now render the template.\n     *\n     * @method _contextLoaded\n     * @param {Object} context\n     */\n    UserCompetencyPopup.prototype._contextLoaded = function(context) {\n        var self = this;\n        templates.render('tool_lp/user_competency_summary_in_plan', context).done(function(html, js) {\n            str.get_string('usercompetencysummary', 'report_competency').done(function(title) {\n                (new Dialogue(title, html, templates.runTemplateJS.bind(templates, js), self._refresh.bind(self), true));\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n    };\n\n    /**\n     * Refresh the page.\n     *\n     * @method _refresh\n     */\n    UserCompetencyPopup.prototype._refresh = function() {\n        var planId = this._planId;\n\n        ajax.call([{\n            methodname: 'tool_lp_data_for_plan_page',\n            args: {planid: planId},\n            done: this._pageContextLoaded.bind(this),\n            fail: notification.exception\n        }]);\n    };\n\n    /**\n     * We loaded the context, now render the template.\n     *\n     * @method _pageContextLoaded\n     * @param {Object} context\n     */\n    UserCompetencyPopup.prototype._pageContextLoaded = function(context) {\n        var self = this;\n        templates.render('tool_lp/plan_page', context).done(function(html, js) {\n            templates.replaceNode(self._regionSelector, html, js);\n        }).fail(notification.exception);\n    };\n\n    /** @type {String} The selector for the region with the user competencies */\n    UserCompetencyPopup.prototype._regionSelector = null;\n    /** @type {String} The selector for the region with a single user competencies */\n    UserCompetencyPopup.prototype._userCompetencySelector = null;\n    /** @type {Number} The plan Id */\n    UserCompetencyPopup.prototype._planId = null;\n\n    return /** @alias module:tool_lp/user_competency_plan_popup */ 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diff --git a/admin/tool/lp/amd/build/user_competency_workflow.min.js b/admin/tool/lp/amd/build/user_competency_workflow.min.js
index b975a287e3b..bce085c9cb4 100644
--- a/admin/tool/lp/amd/build/user_competency_workflow.min.js
+++ b/admin/tool/lp/amd/build/user_competency_workflow.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/user_competency_workflow",["jquery","core/templates","core/ajax","core/notification","core/str","tool_lp/menubar","tool_lp/event_base"],function(a,b,c,d,e,f,g){var h=function(){g.prototype.constructor.apply(this,[])};h.prototype=Object.create(g.prototype);h.prototype._nodeSelector="[data-node=\"user-competency\"]";h.prototype._cancelReviewRequest=function(a){var b={methodname:"core_competency_user_competency_cancel_review_request",args:{userid:a.userid,competencyid:a.competencyid}};c.call([b])[0].then(function(){this._trigger("review-request-cancelled",a);this._trigger("status-changed",a)}.bind(this)).catch(function(){this._trigger("error-occured",a)}.bind(this))};h.prototype.cancelReviewRequest=function(a){this._cancelReviewRequest(a)};h.prototype._cancelReviewRequestHandler=function(b){b.preventDefault();var c=this._findUserCompetencyData(a(b.target));this.cancelReviewRequest(c)};h.prototype._requestReview=function(a){var b={methodname:"core_competency_user_competency_request_review",args:{userid:a.userid,competencyid:a.competencyid}};c.call([b])[0].then(function(){this._trigger("review-requested",a);this._trigger("status-changed",a)}.bind(this)).catch(function(){this._trigger("error-occured",a)}.bind(this))};h.prototype.requestReview=function(a){this._requestReview(a)};h.prototype._requestReviewHandler=function(b){b.preventDefault();var c=this._findUserCompetencyData(a(b.target));this.requestReview(c)};h.prototype._startReview=function(a){var b={methodname:"core_competency_user_competency_start_review",args:{userid:a.userid,competencyid:a.competencyid}};c.call([b])[0].then(function(){this._trigger("review-started",a);this._trigger("status-changed",a)}.bind(this)).catch(function(){this._trigger("error-occured",a)}.bind(this))};h.prototype.startReview=function(a){this._startReview(a)};h.prototype._startReviewHandler=function(b){b.preventDefault();var c=this._findUserCompetencyData(a(b.target));this.startReview(c)};h.prototype._stopReview=function(a){var b={methodname:"core_competency_user_competency_stop_review",args:{userid:a.userid,competencyid:a.competencyid}};c.call([b])[0].then(function(){this._trigger("review-stopped",a);this._trigger("status-changed",a)}.bind(this)).catch(function(){this._trigger("error-occured",a)}.bind(this))};h.prototype.stopReview=function(a){this._stopReview(a)};h.prototype._stopReviewHandler=function(b){b.preventDefault();var c=this._findUserCompetencyData(a(b.target));this.stopReview(c)};h.prototype.enhanceMenubar=function(a){f.enhance(a,{'[data-action="request-review"]':this._requestReviewHandler.bind(this),'[data-action="cancel-review-request"]':this._cancelReviewRequestHandler.bind(this)})};h.prototype._findUserCompetencyData=function(a){var b=a.parents(this._nodeSelector),c;if(1!=b.length){throw new Error("The evidence node was not located.")}c=b.data();if("undefined"==typeof c||"undefined"==typeof c.userid||"undefined"==typeof c.competencyid){throw new Error("User competency data could not be found.")}return c};h.prototype.enhanceMenubar=function(a){f.enhance(a,{'[data-action="request-review"]':this._requestReviewHandler.bind(this),'[data-action="cancel-review-request"]':this._cancelReviewRequestHandler.bind(this),'[data-action="start-review"]':this._startReviewHandler.bind(this),'[data-action="stop-review"]':this._stopReviewHandler.bind(this)})};h.prototype.registerEvents=function(b){var c=a(b);c.find("[data-action=\"request-review\"]").click(this._requestReviewHandler.bind(this));c.find("[data-action=\"cancel-review-request\"]").click(this._cancelReviewRequestHandler.bind(this));c.find("[data-action=\"start-review\"]").click(this._startReviewHandler.bind(this));c.find("[data-action=\"stop-review\"]").click(this._stopReviewHandler.bind(this))};return h});
-//# sourceMappingURL=user_competency_workflow.min.js.map
+/**
+ * User competency workflow.
+ *
+ * @module     tool_lp/user_competency_workflow
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/user_competency_workflow",["jquery","core/templates","core/ajax","core/notification","core/str","tool_lp/menubar","tool_lp/event_base"],(function($,Templates,Ajax,Notification,Str,Menubar,EventBase){var UserCompetencyWorkflow=function(){EventBase.prototype.constructor.apply(this,[])};return(UserCompetencyWorkflow.prototype=Object.create(EventBase.prototype))._nodeSelector='[data-node="user-competency"]',UserCompetencyWorkflow.prototype._cancelReviewRequest=function(data){var call={methodname:"core_competency_user_competency_cancel_review_request",args:{userid:data.userid,competencyid:data.competencyid}};Ajax.call([call])[0].then(function(){this._trigger("review-request-cancelled",data),this._trigger("status-changed",data)}.bind(this)).catch(function(){this._trigger("error-occured",data)}.bind(this))},UserCompetencyWorkflow.prototype.cancelReviewRequest=function(data){this._cancelReviewRequest(data)},UserCompetencyWorkflow.prototype._cancelReviewRequestHandler=function(e){e.preventDefault();var data=this._findUserCompetencyData($(e.target));this.cancelReviewRequest(data)},UserCompetencyWorkflow.prototype._requestReview=function(data){var call={methodname:"core_competency_user_competency_request_review",args:{userid:data.userid,competencyid:data.competencyid}};Ajax.call([call])[0].then(function(){this._trigger("review-requested",data),this._trigger("status-changed",data)}.bind(this)).catch(function(){this._trigger("error-occured",data)}.bind(this))},UserCompetencyWorkflow.prototype.requestReview=function(data){this._requestReview(data)},UserCompetencyWorkflow.prototype._requestReviewHandler=function(e){e.preventDefault();var data=this._findUserCompetencyData($(e.target));this.requestReview(data)},UserCompetencyWorkflow.prototype._startReview=function(data){var call={methodname:"core_competency_user_competency_start_review",args:{userid:data.userid,competencyid:data.competencyid}};Ajax.call([call])[0].then(function(){this._trigger("review-started",data),this._trigger("status-changed",data)}.bind(this)).catch(function(){this._trigger("error-occured",data)}.bind(this))},UserCompetencyWorkflow.prototype.startReview=function(data){this._startReview(data)},UserCompetencyWorkflow.prototype._startReviewHandler=function(e){e.preventDefault();var data=this._findUserCompetencyData($(e.target));this.startReview(data)},UserCompetencyWorkflow.prototype._stopReview=function(data){var call={methodname:"core_competency_user_competency_stop_review",args:{userid:data.userid,competencyid:data.competencyid}};Ajax.call([call])[0].then(function(){this._trigger("review-stopped",data),this._trigger("status-changed",data)}.bind(this)).catch(function(){this._trigger("error-occured",data)}.bind(this))},UserCompetencyWorkflow.prototype.stopReview=function(data){this._stopReview(data)},UserCompetencyWorkflow.prototype._stopReviewHandler=function(e){e.preventDefault();var data=this._findUserCompetencyData($(e.target));this.stopReview(data)},UserCompetencyWorkflow.prototype.enhanceMenubar=function(selector){Menubar.enhance(selector,{'[data-action="request-review"]':this._requestReviewHandler.bind(this),'[data-action="cancel-review-request"]':this._cancelReviewRequestHandler.bind(this)})},UserCompetencyWorkflow.prototype._findUserCompetencyData=function(node){var data,parent=node.parents(this._nodeSelector);if(1!=parent.length)throw new Error("The evidence node was not located.");if(void 0===(data=parent.data())||void 0===data.userid||void 0===data.competencyid)throw new Error("User competency data could not be found.");return data},UserCompetencyWorkflow.prototype.enhanceMenubar=function(selector){Menubar.enhance(selector,{'[data-action="request-review"]':this._requestReviewHandler.bind(this),'[data-action="cancel-review-request"]':this._cancelReviewRequestHandler.bind(this),'[data-action="start-review"]':this._startReviewHandler.bind(this),'[data-action="stop-review"]':this._stopReviewHandler.bind(this)})},UserCompetencyWorkflow.prototype.registerEvents=function(selector){var wrapper=$(selector);wrapper.find('[data-action="request-review"]').click(this._requestReviewHandler.bind(this)),wrapper.find('[data-action="cancel-review-request"]').click(this._cancelReviewRequestHandler.bind(this)),wrapper.find('[data-action="start-review"]').click(this._startReviewHandler.bind(this)),wrapper.find('[data-action="stop-review"]').click(this._stopReviewHandler.bind(this))},UserCompetencyWorkflow}));
+
+//# sourceMappingURL=user_competency_workflow.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/user_competency_workflow.min.js.map b/admin/tool/lp/amd/build/user_competency_workflow.min.js.map
index afc0a4c44b2..b95a4c18252 100644
--- a/admin/tool/lp/amd/build/user_competency_workflow.min.js.map
+++ b/admin/tool/lp/amd/build/user_competency_workflow.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * User competency workflow.\n *\n * @module     tool_lp/user_competency_workflow\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/templates',\n        'core/ajax',\n        'core/notification',\n        'core/str',\n        'tool_lp/menubar',\n        'tool_lp/event_base'],\n        function($, Templates, Ajax, Notification, Str, Menubar, EventBase) {\n\n    /**\n     * UserCompetencyWorkflow class.\n     *\n     * @param {String} selector The node containing the buttons to switch mode.\n     */\n    var UserCompetencyWorkflow = function() {\n        EventBase.prototype.constructor.apply(this, []);\n    };\n    UserCompetencyWorkflow.prototype = Object.create(EventBase.prototype);\n\n    /** @type {String} The selector to find the user competency data. */\n    UserCompetencyWorkflow.prototype._nodeSelector = '[data-node=\"user-competency\"]';\n\n    /**\n     * Cancel a review request and refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method _cancelReviewRequest\n     */\n    UserCompetencyWorkflow.prototype._cancelReviewRequest = function(data) {\n        var call = {\n            methodname: 'core_competency_user_competency_cancel_review_request',\n            args: {\n                userid: data.userid,\n                competencyid: data.competencyid\n            }\n        };\n\n        Ajax.call([call])[0].then(function() {\n            this._trigger('review-request-cancelled', data);\n            this._trigger('status-changed', data);\n        }.bind(this)).catch(function() {\n            this._trigger('error-occured', data);\n        }.bind(this));\n    };\n\n    /**\n     * Cancel a review request an refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method cancelReviewRequest\n     */\n    UserCompetencyWorkflow.prototype.cancelReviewRequest = function(data) {\n        this._cancelReviewRequest(data);\n    };\n\n    /**\n     * Cancel a review request handler.\n     *\n     * @param  {Event} e The event.\n     * @method _cancelReviewRequestHandler\n     */\n    UserCompetencyWorkflow.prototype._cancelReviewRequestHandler = function(e) {\n        e.preventDefault();\n        var data = this._findUserCompetencyData($(e.target));\n        this.cancelReviewRequest(data);\n    };\n\n    /**\n     * Request a review and refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method _requestReview\n     */\n    UserCompetencyWorkflow.prototype._requestReview = function(data) {\n        var call = {\n            methodname: 'core_competency_user_competency_request_review',\n            args: {\n                userid: data.userid,\n                competencyid: data.competencyid\n            }\n        };\n\n        Ajax.call([call])[0].then(function() {\n            this._trigger('review-requested', data);\n            this._trigger('status-changed', data);\n        }.bind(this)).catch(function() {\n            this._trigger('error-occured', data);\n        }.bind(this));\n    };\n\n    /**\n     * Request a review.\n     *\n     * @param  {Object} data The user competency data.\n     * @method requestReview\n     */\n    UserCompetencyWorkflow.prototype.requestReview = function(data) {\n        this._requestReview(data);\n    };\n\n    /**\n     * Request a review handler.\n     *\n     * @param  {Event} e The event.\n     * @method _requestReviewHandler\n     */\n    UserCompetencyWorkflow.prototype._requestReviewHandler = function(e) {\n        e.preventDefault();\n        var data = this._findUserCompetencyData($(e.target));\n        this.requestReview(data);\n    };\n\n    /**\n     * Start a review and refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method _startReview\n     */\n    UserCompetencyWorkflow.prototype._startReview = function(data) {\n        var call = {\n            methodname: 'core_competency_user_competency_start_review',\n            args: {\n                userid: data.userid,\n                competencyid: data.competencyid\n            }\n        };\n        Ajax.call([call])[0].then(function() {\n            this._trigger('review-started', data);\n            this._trigger('status-changed', data);\n        }.bind(this)).catch(function() {\n            this._trigger('error-occured', data);\n        }.bind(this));\n    };\n\n    /**\n     * Start a review.\n     *\n     * @param  {Object} data The user competency data.\n     * @method startReview\n     */\n    UserCompetencyWorkflow.prototype.startReview = function(data) {\n        this._startReview(data);\n    };\n\n    /**\n     * Start a review handler.\n     *\n     * @param  {Event} e The event.\n     * @method _startReviewHandler\n     */\n    UserCompetencyWorkflow.prototype._startReviewHandler = function(e) {\n        e.preventDefault();\n        var data = this._findUserCompetencyData($(e.target));\n        this.startReview(data);\n    };\n\n    /**\n     * Stop a review and refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method _stopReview\n     */\n    UserCompetencyWorkflow.prototype._stopReview = function(data) {\n        var call = {\n            methodname: 'core_competency_user_competency_stop_review',\n            args: {\n                userid: data.userid,\n                competencyid: data.competencyid\n            }\n        };\n\n        Ajax.call([call])[0].then(function() {\n            this._trigger('review-stopped', data);\n            this._trigger('status-changed', data);\n        }.bind(this)).catch(function() {\n            this._trigger('error-occured', data);\n        }.bind(this));\n    };\n\n    /**\n     * Stop a review.\n     *\n     * @param  {Object} data The user competency data.\n     * @method stopReview\n     */\n    UserCompetencyWorkflow.prototype.stopReview = function(data) {\n        this._stopReview(data);\n    };\n\n    /**\n     * Stop a review handler.\n     *\n     * @param  {Event} e The event.\n     * @method _stopReviewHandler\n     */\n    UserCompetencyWorkflow.prototype._stopReviewHandler = function(e) {\n        e.preventDefault();\n        var data = this._findUserCompetencyData($(e.target));\n        this.stopReview(data);\n    };\n\n    /**\n     * Enhance a menu bar.\n     *\n     * @param  {String} selector Menubar selector.\n     */\n    UserCompetencyWorkflow.prototype.enhanceMenubar = function(selector) {\n        Menubar.enhance(selector, {\n            '[data-action=\"request-review\"]': this._requestReviewHandler.bind(this),\n            '[data-action=\"cancel-review-request\"]': this._cancelReviewRequestHandler.bind(this),\n        });\n    };\n\n    /**\n     * Find the user competency data from a node.\n     *\n     * @param  {Node} node The node to search from.\n     * @return {Object} User competency data.\n     */\n    UserCompetencyWorkflow.prototype._findUserCompetencyData = function(node) {\n        var parent = node.parents(this._nodeSelector),\n            data;\n\n        if (parent.length != 1) {\n            throw new Error('The evidence node was not located.');\n        }\n\n        data = parent.data();\n        if (typeof data === 'undefined' || typeof data.userid === 'undefined' || typeof data.competencyid === 'undefined') {\n            throw new Error('User competency data could not be found.');\n        }\n\n        return data;\n    };\n\n    /**\n     * Enhance a menu bar.\n     *\n     * @param  {String} selector Menubar selector.\n     */\n    UserCompetencyWorkflow.prototype.enhanceMenubar = function(selector) {\n        Menubar.enhance(selector, {\n            '[data-action=\"request-review\"]': this._requestReviewHandler.bind(this),\n            '[data-action=\"cancel-review-request\"]': this._cancelReviewRequestHandler.bind(this),\n            '[data-action=\"start-review\"]': this._startReviewHandler.bind(this),\n            '[data-action=\"stop-review\"]': this._stopReviewHandler.bind(this),\n        });\n    };\n\n    /**\n     * Register the events in the region.\n     *\n     * @param {String} selector The base selector to search nodes in and attach events.\n     */\n    UserCompetencyWorkflow.prototype.registerEvents = function(selector) {\n        var wrapper = $(selector);\n\n        wrapper.find('[data-action=\"request-review\"]').click(this._requestReviewHandler.bind(this));\n        wrapper.find('[data-action=\"cancel-review-request\"]').click(this._cancelReviewRequestHandler.bind(this));\n        wrapper.find('[data-action=\"start-review\"]').click(this._startReviewHandler.bind(this));\n        wrapper.find('[data-action=\"stop-review\"]').click(this._stopReviewHandler.bind(this));\n    };\n\n    return /** @alias module:tool_lp/user_competency_actions */ UserCompetencyWorkflow;\n});\n"],"file":"user_competency_workflow.min.js"}
\ No newline at end of file
+{"version":3,"file":"user_competency_workflow.min.js","sources":["../src/user_competency_workflow.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * User competency workflow.\n *\n * @module     tool_lp/user_competency_workflow\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/templates',\n        'core/ajax',\n        'core/notification',\n        'core/str',\n        'tool_lp/menubar',\n        'tool_lp/event_base'],\n        function($, Templates, Ajax, Notification, Str, Menubar, EventBase) {\n\n    /**\n     * UserCompetencyWorkflow class.\n     *\n     * @param {String} selector The node containing the buttons to switch mode.\n     */\n    var UserCompetencyWorkflow = function() {\n        EventBase.prototype.constructor.apply(this, []);\n    };\n    UserCompetencyWorkflow.prototype = Object.create(EventBase.prototype);\n\n    /** @type {String} The selector to find the user competency data. */\n    UserCompetencyWorkflow.prototype._nodeSelector = '[data-node=\"user-competency\"]';\n\n    /**\n     * Cancel a review request and refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method _cancelReviewRequest\n     */\n    UserCompetencyWorkflow.prototype._cancelReviewRequest = function(data) {\n        var call = {\n            methodname: 'core_competency_user_competency_cancel_review_request',\n            args: {\n                userid: data.userid,\n                competencyid: data.competencyid\n            }\n        };\n\n        Ajax.call([call])[0].then(function() {\n            this._trigger('review-request-cancelled', data);\n            this._trigger('status-changed', data);\n        }.bind(this)).catch(function() {\n            this._trigger('error-occured', data);\n        }.bind(this));\n    };\n\n    /**\n     * Cancel a review request an refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method cancelReviewRequest\n     */\n    UserCompetencyWorkflow.prototype.cancelReviewRequest = function(data) {\n        this._cancelReviewRequest(data);\n    };\n\n    /**\n     * Cancel a review request handler.\n     *\n     * @param  {Event} e The event.\n     * @method _cancelReviewRequestHandler\n     */\n    UserCompetencyWorkflow.prototype._cancelReviewRequestHandler = function(e) {\n        e.preventDefault();\n        var data = this._findUserCompetencyData($(e.target));\n        this.cancelReviewRequest(data);\n    };\n\n    /**\n     * Request a review and refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method _requestReview\n     */\n    UserCompetencyWorkflow.prototype._requestReview = function(data) {\n        var call = {\n            methodname: 'core_competency_user_competency_request_review',\n            args: {\n                userid: data.userid,\n                competencyid: data.competencyid\n            }\n        };\n\n        Ajax.call([call])[0].then(function() {\n            this._trigger('review-requested', data);\n            this._trigger('status-changed', data);\n        }.bind(this)).catch(function() {\n            this._trigger('error-occured', data);\n        }.bind(this));\n    };\n\n    /**\n     * Request a review.\n     *\n     * @param  {Object} data The user competency data.\n     * @method requestReview\n     */\n    UserCompetencyWorkflow.prototype.requestReview = function(data) {\n        this._requestReview(data);\n    };\n\n    /**\n     * Request a review handler.\n     *\n     * @param  {Event} e The event.\n     * @method _requestReviewHandler\n     */\n    UserCompetencyWorkflow.prototype._requestReviewHandler = function(e) {\n        e.preventDefault();\n        var data = this._findUserCompetencyData($(e.target));\n        this.requestReview(data);\n    };\n\n    /**\n     * Start a review and refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method _startReview\n     */\n    UserCompetencyWorkflow.prototype._startReview = function(data) {\n        var call = {\n            methodname: 'core_competency_user_competency_start_review',\n            args: {\n                userid: data.userid,\n                competencyid: data.competencyid\n            }\n        };\n        Ajax.call([call])[0].then(function() {\n            this._trigger('review-started', data);\n            this._trigger('status-changed', data);\n        }.bind(this)).catch(function() {\n            this._trigger('error-occured', data);\n        }.bind(this));\n    };\n\n    /**\n     * Start a review.\n     *\n     * @param  {Object} data The user competency data.\n     * @method startReview\n     */\n    UserCompetencyWorkflow.prototype.startReview = function(data) {\n        this._startReview(data);\n    };\n\n    /**\n     * Start a review handler.\n     *\n     * @param  {Event} e The event.\n     * @method _startReviewHandler\n     */\n    UserCompetencyWorkflow.prototype._startReviewHandler = function(e) {\n        e.preventDefault();\n        var data = this._findUserCompetencyData($(e.target));\n        this.startReview(data);\n    };\n\n    /**\n     * Stop a review and refresh the view.\n     *\n     * @param  {Object} data The user competency data.\n     * @method _stopReview\n     */\n    UserCompetencyWorkflow.prototype._stopReview = function(data) {\n        var call = {\n            methodname: 'core_competency_user_competency_stop_review',\n            args: {\n                userid: data.userid,\n                competencyid: data.competencyid\n            }\n        };\n\n        Ajax.call([call])[0].then(function() {\n            this._trigger('review-stopped', data);\n            this._trigger('status-changed', data);\n        }.bind(this)).catch(function() {\n            this._trigger('error-occured', data);\n        }.bind(this));\n    };\n\n    /**\n     * Stop a review.\n     *\n     * @param  {Object} data The user competency data.\n     * @method stopReview\n     */\n    UserCompetencyWorkflow.prototype.stopReview = function(data) {\n        this._stopReview(data);\n    };\n\n    /**\n     * Stop a review handler.\n     *\n     * @param  {Event} e The event.\n     * @method _stopReviewHandler\n     */\n    UserCompetencyWorkflow.prototype._stopReviewHandler = function(e) {\n        e.preventDefault();\n        var data = this._findUserCompetencyData($(e.target));\n        this.stopReview(data);\n    };\n\n    /**\n     * Enhance a menu bar.\n     *\n     * @param  {String} selector Menubar selector.\n     */\n    UserCompetencyWorkflow.prototype.enhanceMenubar = function(selector) {\n        Menubar.enhance(selector, {\n            '[data-action=\"request-review\"]': this._requestReviewHandler.bind(this),\n            '[data-action=\"cancel-review-request\"]': this._cancelReviewRequestHandler.bind(this),\n        });\n    };\n\n    /**\n     * Find the user competency data from a node.\n     *\n     * @param  {Node} node The node to search from.\n     * @return {Object} User competency data.\n     */\n    UserCompetencyWorkflow.prototype._findUserCompetencyData = function(node) {\n        var parent = node.parents(this._nodeSelector),\n            data;\n\n        if (parent.length != 1) {\n            throw new Error('The evidence node was not located.');\n        }\n\n        data = parent.data();\n        if (typeof data === 'undefined' || typeof data.userid === 'undefined' || typeof data.competencyid === 'undefined') {\n            throw new Error('User competency data could not be found.');\n        }\n\n        return data;\n    };\n\n    /**\n     * Enhance a menu bar.\n     *\n     * @param  {String} selector Menubar selector.\n     */\n    UserCompetencyWorkflow.prototype.enhanceMenubar = function(selector) {\n        Menubar.enhance(selector, {\n            '[data-action=\"request-review\"]': this._requestReviewHandler.bind(this),\n            '[data-action=\"cancel-review-request\"]': this._cancelReviewRequestHandler.bind(this),\n            '[data-action=\"start-review\"]': this._startReviewHandler.bind(this),\n            '[data-action=\"stop-review\"]': this._stopReviewHandler.bind(this),\n        });\n    };\n\n    /**\n     * Register the events in the region.\n     *\n     * @param {String} selector The base selector to search nodes in and attach events.\n     */\n    UserCompetencyWorkflow.prototype.registerEvents = function(selector) {\n        var wrapper = $(selector);\n\n        wrapper.find('[data-action=\"request-review\"]').click(this._requestReviewHandler.bind(this));\n        wrapper.find('[data-action=\"cancel-review-request\"]').click(this._cancelReviewRequestHandler.bind(this));\n        wrapper.find('[data-action=\"start-review\"]').click(this._startReviewHandler.bind(this));\n        wrapper.find('[data-action=\"stop-review\"]').click(this._stopReviewHandler.bind(this));\n    };\n\n    return /** @alias module:tool_lp/user_competency_actions */ 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diff --git a/admin/tool/lp/amd/build/user_evidence_actions.min.js b/admin/tool/lp/amd/build/user_evidence_actions.min.js
index d8c7b8efe08..1b66b6a6466 100644
--- a/admin/tool/lp/amd/build/user_evidence_actions.min.js
+++ b/admin/tool/lp/amd/build/user_evidence_actions.min.js
@@ -1,2 +1,11 @@
-define ("tool_lp/user_evidence_actions",["jquery","core/templates","core/ajax","core/notification","core/str","tool_lp/menubar","tool_lp/competencypicker_user_plans"],function(a,b,c,d,e,f,g){var h=function(a){this._type=a;if("evidence"===a){this._region="[data-region=\"user-evidence-page\"]";this._evidenceNode="[data-region=\"user-evidence-page\"]";this._template="tool_lp/user_evidence_page";this._contextMethod="tool_lp_data_for_user_evidence_page"}else if("list"===a){this._region="[data-region=\"user-evidence-list\"]";this._evidenceNode="[data-region=\"user-evidence-node\"]";this._template="tool_lp/user_evidence_list_page";this._contextMethod="tool_lp_data_for_user_evidence_list_page"}else{throw new TypeError("Unexpected type.")}};h.prototype._contextMethod=null;h.prototype._evidenceNode=null;h.prototype._region=null;h.prototype._template=null;h.prototype._type=null;h.prototype._getContextArgs=function(a){var b=this,c={};if("evidence"===b._type){c={id:a.id}}else if("list"===b._type){c={userid:a.userid}}return c};h.prototype._renderView=function(c){var d=this;return b.render(d._template,c).then(function(c,e){b.replaceNode(a(d._region),c,e)})};h.prototype._callAndRefresh=function(b,e){var f=this;b.push({methodname:f._contextMethod,args:f._getContextArgs(e)});return a.when.apply(a.when,c.call(b)).then(function(){return f._renderView(arguments[arguments.length-1])}).fail(d.exception)};h.prototype._doDelete=function(a){var b=this,c=[{methodname:"core_competency_delete_user_evidence",args:{id:a.id}}];b._callAndRefresh(c,a)};h.prototype.deleteEvidence=function(a){var b=this,f;f=c.call([{methodname:"core_competency_read_user_evidence",args:{id:a.id}}]);f[0].done(function(c){e.get_strings([{key:"confirm",component:"moodle"},{key:"deleteuserevidence",component:"tool_lp",param:c.name},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(c){d.confirm(c[0],c[1],c[2],c[3],function(){b._doDelete(a)})}).fail(d.exception)}).fail(d.exception)};h.prototype._deleteEvidenceHandler=function(b){b.preventDefault();var c=this._findEvidenceData(a(b.target));this.deleteEvidence(c)};h.prototype._doCreateUserEvidenceCompetency=function(b,c){var d=this,e=[];a.each(c,function(a,c){e.push({methodname:"core_competency_create_user_evidence_competency",args:{userevidenceid:b.id,competencyid:c}})});d._callAndRefresh(e,b)};h.prototype.createUserEvidenceCompetency=function(a){var b=this,c=new g(a.userid);c.on("save",function(c,d){var e=d.competencyIds;b._doCreateUserEvidenceCompetency(a,e,d.requestReview)});c.display()};h.prototype._createUserEvidenceCompetencyHandler=function(b){b.preventDefault();var c=this._findEvidenceData(a(b.target));this.createUserEvidenceCompetency(c)};h.prototype._doDeleteUserEvidenceCompetency=function(a,b){var c=this,d=[];d.push({methodname:"core_competency_delete_user_evidence_competency",args:{userevidenceid:a.id,competencyid:b}});c._callAndRefresh(d,a)};h.prototype.deleteUserEvidenceCompetency=function(a,b){this._doDeleteUserEvidenceCompetency(a,b)};h.prototype._deleteUserEvidenceCompetencyHandler=function(b){var c=this._findEvidenceData(a(b.currentTarget)),d=a(b.currentTarget).data("id");b.preventDefault();this.deleteUserEvidenceCompetency(c,d)};h.prototype._doReviewUserEvidenceCompetencies=function(a){var b=this,c=[{methodname:"core_competency_request_review_of_user_evidence_linked_competencies",args:{id:a.id}}];b._callAndRefresh(c,a)};h.prototype.reviewUserEvidenceCompetencies=function(a){var b=this,f;f=c.call([{methodname:"core_competency_read_user_evidence",args:{id:a.id}}]);f[0].done(function(c){e.get_strings([{key:"confirm",component:"moodle"},{key:"sendallcompetenciestoreview",component:"tool_lp",param:c.name},{key:"confirm",component:"moodle"},{key:"cancel",component:"moodle"}]).done(function(c){d.confirm(c[0],c[1],c[2],c[3],function(){b._doReviewUserEvidenceCompetencies(a)})}).fail(d.exception)}).fail(d.exception)};h.prototype._reviewUserEvidenceCompetenciesHandler=function(b){b.preventDefault();var c=this._findEvidenceData(a(b.target));this.reviewUserEvidenceCompetencies(c)};h.prototype._findEvidenceData=function(b){var c=b.parentsUntil(a(this._region).parent(),this._evidenceNode),d;if(1!=c.length){throw new Error("The evidence node was not located.")}d=c.data();if("undefined"==typeof d||"undefined"==typeof d.id){throw new Error("Evidence data could not be found.")}return d};h.prototype.enhanceMenubar=function(a){var b=this;f.enhance(a,{'[data-action="user-evidence-delete"]':b._deleteEvidenceHandler.bind(b),'[data-action="link-competency"]':b._createUserEvidenceCompetencyHandler.bind(b),'[data-action="send-competencies-review"]':b._reviewUserEvidenceCompetenciesHandler.bind(b)})};h.prototype.registerEvents=function(){var b=a(this._region),c=this;b.find("[data-action=\"user-evidence-delete\"]").click(c._deleteEvidenceHandler.bind(c));b.find("[data-action=\"link-competency\"]").click(c._createUserEvidenceCompetencyHandler.bind(c));b.find("[data-action=\"delete-competency-link\"]").click(c._deleteUserEvidenceCompetencyHandler.bind(c));b.find("[data-action=\"send-competencies-review\"]").click(c._reviewUserEvidenceCompetenciesHandler.bind(c))};return h});
-//# sourceMappingURL=user_evidence_actions.min.js.map
+/**
+ * User evidence actions.
+ *
+ * @module     tool_lp/user_evidence_actions
+ * @package    tool_lp
+ * @copyright  2015 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_lp/user_evidence_actions",["jquery","core/templates","core/ajax","core/notification","core/str","tool_lp/menubar","tool_lp/competencypicker_user_plans"],(function($,templates,ajax,notification,str,Menubar,PickerUserPlans){var UserEvidenceActions=function(type){if(this._type=type,"evidence"===type)this._region='[data-region="user-evidence-page"]',this._evidenceNode='[data-region="user-evidence-page"]',this._template="tool_lp/user_evidence_page",this._contextMethod="tool_lp_data_for_user_evidence_page";else{if("list"!==type)throw new TypeError("Unexpected type.");this._region='[data-region="user-evidence-list"]',this._evidenceNode='[data-region="user-evidence-node"]',this._template="tool_lp/user_evidence_list_page",this._contextMethod="tool_lp_data_for_user_evidence_list_page"}};return UserEvidenceActions.prototype._contextMethod=null,UserEvidenceActions.prototype._evidenceNode=null,UserEvidenceActions.prototype._region=null,UserEvidenceActions.prototype._template=null,UserEvidenceActions.prototype._type=null,UserEvidenceActions.prototype._getContextArgs=function(evidenceData){var args={};return"evidence"===this._type?args={id:evidenceData.id}:"list"===this._type&&(args={userid:evidenceData.userid}),args},UserEvidenceActions.prototype._renderView=function(context){var self=this;return templates.render(self._template,context).then((function(newhtml,newjs){templates.replaceNode($(self._region),newhtml,newjs)}))},UserEvidenceActions.prototype._callAndRefresh=function(calls,evidenceData){var self=this;return calls.push({methodname:self._contextMethod,args:self._getContextArgs(evidenceData)}),$.when.apply($.when,ajax.call(calls)).then((function(){return self._renderView(arguments[arguments.length-1])})).fail(notification.exception)},UserEvidenceActions.prototype._doDelete=function(evidenceData){var calls=[{methodname:"core_competency_delete_user_evidence",args:{id:evidenceData.id}}];this._callAndRefresh(calls,evidenceData)},UserEvidenceActions.prototype.deleteEvidence=function(evidenceData){var self=this;ajax.call([{methodname:"core_competency_read_user_evidence",args:{id:evidenceData.id}}])[0].done((function(evidence){str.get_strings([{key:"confirm",component:"moodle"},{key:"deleteuserevidence",component:"tool_lp",param:evidence.name},{key:"delete",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){self._doDelete(evidenceData)}))})).fail(notification.exception)})).fail(notification.exception)},UserEvidenceActions.prototype._deleteEvidenceHandler=function(e){e.preventDefault();var data=this._findEvidenceData($(e.target));this.deleteEvidence(data)},UserEvidenceActions.prototype._doCreateUserEvidenceCompetency=function(evidenceData,competencyIds){var calls=[];$.each(competencyIds,(function(index,competencyId){calls.push({methodname:"core_competency_create_user_evidence_competency",args:{userevidenceid:evidenceData.id,competencyid:competencyId}})})),this._callAndRefresh(calls,evidenceData)},UserEvidenceActions.prototype.createUserEvidenceCompetency=function(evidenceData){var self=this,picker=new PickerUserPlans(evidenceData.userid);picker.on("save",(function(e,data){var competencyIds=data.competencyIds;self._doCreateUserEvidenceCompetency(evidenceData,competencyIds,data.requestReview)})),picker.display()},UserEvidenceActions.prototype._createUserEvidenceCompetencyHandler=function(e){e.preventDefault();var data=this._findEvidenceData($(e.target));this.createUserEvidenceCompetency(data)},UserEvidenceActions.prototype._doDeleteUserEvidenceCompetency=function(evidenceData,competencyId){var calls=[];calls.push({methodname:"core_competency_delete_user_evidence_competency",args:{userevidenceid:evidenceData.id,competencyid:competencyId}}),this._callAndRefresh(calls,evidenceData)},UserEvidenceActions.prototype.deleteUserEvidenceCompetency=function(evidenceData,competencyId){this._doDeleteUserEvidenceCompetency(evidenceData,competencyId)},UserEvidenceActions.prototype._deleteUserEvidenceCompetencyHandler=function(e){var data=this._findEvidenceData($(e.currentTarget)),competencyId=$(e.currentTarget).data("id");e.preventDefault(),this.deleteUserEvidenceCompetency(data,competencyId)},UserEvidenceActions.prototype._doReviewUserEvidenceCompetencies=function(evidenceData){var calls=[{methodname:"core_competency_request_review_of_user_evidence_linked_competencies",args:{id:evidenceData.id}}];this._callAndRefresh(calls,evidenceData)},UserEvidenceActions.prototype.reviewUserEvidenceCompetencies=function(evidenceData){var self=this;ajax.call([{methodname:"core_competency_read_user_evidence",args:{id:evidenceData.id}}])[0].done((function(evidence){str.get_strings([{key:"confirm",component:"moodle"},{key:"sendallcompetenciestoreview",component:"tool_lp",param:evidence.name},{key:"confirm",component:"moodle"},{key:"cancel",component:"moodle"}]).done((function(strings){notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){self._doReviewUserEvidenceCompetencies(evidenceData)}))})).fail(notification.exception)})).fail(notification.exception)},UserEvidenceActions.prototype._reviewUserEvidenceCompetenciesHandler=function(e){e.preventDefault();var data=this._findEvidenceData($(e.target));this.reviewUserEvidenceCompetencies(data)},UserEvidenceActions.prototype._findEvidenceData=function(node){var data,parent=node.parentsUntil($(this._region).parent(),this._evidenceNode);if(1!=parent.length)throw new Error("The evidence node was not located.");if(void 0===(data=parent.data())||void 0===data.id)throw new Error("Evidence data could not be found.");return data},UserEvidenceActions.prototype.enhanceMenubar=function(selector){Menubar.enhance(selector,{'[data-action="user-evidence-delete"]':this._deleteEvidenceHandler.bind(this),'[data-action="link-competency"]':this._createUserEvidenceCompetencyHandler.bind(this),'[data-action="send-competencies-review"]':this._reviewUserEvidenceCompetenciesHandler.bind(this)})},UserEvidenceActions.prototype.registerEvents=function(){var wrapper=$(this._region);wrapper.find('[data-action="user-evidence-delete"]').click(this._deleteEvidenceHandler.bind(this)),wrapper.find('[data-action="link-competency"]').click(this._createUserEvidenceCompetencyHandler.bind(this)),wrapper.find('[data-action="delete-competency-link"]').click(this._deleteUserEvidenceCompetencyHandler.bind(this)),wrapper.find('[data-action="send-competencies-review"]').click(this._reviewUserEvidenceCompetenciesHandler.bind(this))},UserEvidenceActions}));
+
+//# sourceMappingURL=user_evidence_actions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/lp/amd/build/user_evidence_actions.min.js.map b/admin/tool/lp/amd/build/user_evidence_actions.min.js.map
index 47d584ccef2..7e8fe516f16 100644
--- a/admin/tool/lp/amd/build/user_evidence_actions.min.js.map
+++ b/admin/tool/lp/amd/build/user_evidence_actions.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * User evidence actions.\n *\n * @module     tool_lp/user_evidence_actions\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/templates',\n        'core/ajax',\n        'core/notification',\n        'core/str',\n        'tool_lp/menubar',\n        'tool_lp/competencypicker_user_plans'],\n        function($, templates, ajax, notification, str, Menubar, PickerUserPlans) {\n\n    /**\n     * UserEvidenceActions class.\n     *\n     * Note that presently this cannot be instantiated more than once per page.\n     *\n     * @param {String} type The type of page we're in.\n     */\n    var UserEvidenceActions = function(type) {\n        this._type = type;\n\n        if (type === 'evidence') {\n            // This is the page to view one evidence.\n            this._region = '[data-region=\"user-evidence-page\"]';\n            this._evidenceNode = '[data-region=\"user-evidence-page\"]';\n            this._template = 'tool_lp/user_evidence_page';\n            this._contextMethod = 'tool_lp_data_for_user_evidence_page';\n\n        } else if (type === 'list') {\n            // This is the page to view a list of evidence.\n            this._region = '[data-region=\"user-evidence-list\"]';\n            this._evidenceNode = '[data-region=\"user-evidence-node\"]';\n            this._template = 'tool_lp/user_evidence_list_page';\n            this._contextMethod = 'tool_lp_data_for_user_evidence_list_page';\n\n        } else {\n            throw new TypeError('Unexpected type.');\n        }\n    };\n\n    /** @type {String} Ajax method to fetch the page data from. */\n    UserEvidenceActions.prototype._contextMethod = null;\n    /** @type {String} Selector to find the node describing the evidence. */\n    UserEvidenceActions.prototype._evidenceNode = null;\n    /** @type {String} Selector mapping to the region to update. Usually similar to wrapper. */\n    UserEvidenceActions.prototype._region = null;\n    /** @type {String} Name of the template used to render the region. */\n    UserEvidenceActions.prototype._template = null;\n    /** @type {String} Type of page/region we're in. */\n    UserEvidenceActions.prototype._type = null;\n\n    /**\n     * Resolve the arguments to refresh the region.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     * @return {Object} List of arguments.\n     */\n    UserEvidenceActions.prototype._getContextArgs = function(evidenceData) {\n        var self = this,\n            args = {};\n\n        if (self._type === 'evidence') {\n            args = {\n                id: evidenceData.id\n            };\n\n        } else if (self._type === 'list') {\n            args = {\n                userid: evidenceData.userid\n            };\n        }\n\n        return args;\n    };\n\n    /**\n     * Callback to render the region template.\n     *\n     * @param {Object} context The context for the template.\n     * @return {Promise}\n     */\n    UserEvidenceActions.prototype._renderView = function(context) {\n        var self = this;\n        return templates.render(self._template, context)\n            .then(function(newhtml, newjs) {\n                templates.replaceNode($(self._region), newhtml, newjs);\n                return;\n            });\n    };\n\n    /**\n     * Call multiple ajax methods, and refresh.\n     *\n     * @param  {Array}  calls    List of Ajax calls.\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     * @return {Promise}\n     */\n    UserEvidenceActions.prototype._callAndRefresh = function(calls, evidenceData) {\n        var self = this;\n        calls.push({\n            methodname: self._contextMethod,\n            args: self._getContextArgs(evidenceData)\n        });\n\n        // Apply all the promises, and refresh when the last one is resolved.\n        return $.when.apply($.when, ajax.call(calls))\n            .then(function() {\n                return self._renderView(arguments[arguments.length - 1]);\n            })\n            .fail(notification.exception);\n    };\n\n    /**\n     * Delete a plan and reload the region.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype._doDelete = function(evidenceData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_delete_user_evidence',\n                args: {id: evidenceData.id}\n            }];\n        self._callAndRefresh(calls, evidenceData);\n    };\n\n    /**\n     * Delete a plan.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype.deleteEvidence = function(evidenceData) {\n        var self = this,\n            requests;\n\n        requests = ajax.call([{\n            methodname: 'core_competency_read_user_evidence',\n            args: {id: evidenceData.id}\n        }]);\n\n        requests[0].done(function(evidence) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'deleteuserevidence', component: 'tool_lp', param: evidence.name},\n                {key: 'delete', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Delete evidence X?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doDelete(evidenceData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Delete evidence handler.\n     *\n     * @param  {Event} e The event.\n     */\n    UserEvidenceActions.prototype._deleteEvidenceHandler = function(e) {\n        e.preventDefault();\n        var data = this._findEvidenceData($(e.target));\n        this.deleteEvidence(data);\n    };\n\n    /**\n     * Link a competency and reload.\n     *\n     * @param {Object} evidenceData Evidence data from evidence node.\n     * @param {Number} competencyIds The competency IDs.\n     * @param {Boolean} requestReview Send competencies to review.\n     */\n    UserEvidenceActions.prototype._doCreateUserEvidenceCompetency = function(evidenceData, competencyIds) {\n        var self = this,\n            calls = [];\n\n        $.each(competencyIds, function(index, competencyId) {\n            calls.push({\n                methodname: 'core_competency_create_user_evidence_competency',\n                args: {\n                    userevidenceid: evidenceData.id,\n                    competencyid: competencyId,\n                }\n            });\n        });\n\n        self._callAndRefresh(calls, evidenceData);\n    };\n\n    /**\n     * Create a user evidence competency.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype.createUserEvidenceCompetency = function(evidenceData) {\n        var self = this,\n            picker = new PickerUserPlans(evidenceData.userid);\n\n        picker.on('save', function(e, data) {\n            var competencyIds = data.competencyIds;\n            self._doCreateUserEvidenceCompetency(evidenceData, competencyIds, data.requestReview);\n        });\n\n        picker.display();\n    };\n\n    /**\n     * Create user evidence competency handler.\n     *\n     * @param  {Event} e The event.\n     */\n    UserEvidenceActions.prototype._createUserEvidenceCompetencyHandler = function(e) {\n        e.preventDefault();\n        var data = this._findEvidenceData($(e.target));\n        this.createUserEvidenceCompetency(data);\n    };\n\n    /**\n     * Remove a linked competency and reload.\n     *\n     * @param {Object} evidenceData Evidence data from evidence node.\n     * @param {Number} competencyId The competency ID.\n     */\n    UserEvidenceActions.prototype._doDeleteUserEvidenceCompetency = function(evidenceData, competencyId) {\n        var self = this,\n            calls = [];\n\n        calls.push({\n            methodname: 'core_competency_delete_user_evidence_competency',\n            args: {\n                userevidenceid: evidenceData.id,\n                competencyid: competencyId,\n            }\n        });\n\n        self._callAndRefresh(calls, evidenceData);\n    };\n\n    /**\n     * Delete a user evidence competency.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     * @param  {Number} competencyId The competency ID.\n     */\n    UserEvidenceActions.prototype.deleteUserEvidenceCompetency = function(evidenceData, competencyId) {\n        this._doDeleteUserEvidenceCompetency(evidenceData, competencyId);\n    };\n\n    /**\n     * Delete user evidence competency handler.\n     *\n     * @param  {Event} e The event.\n     */\n    UserEvidenceActions.prototype._deleteUserEvidenceCompetencyHandler = function(e) {\n        var data = this._findEvidenceData($(e.currentTarget)),\n            competencyId = $(e.currentTarget).data('id');\n        e.preventDefault();\n        this.deleteUserEvidenceCompetency(data, competencyId);\n    };\n\n    /**\n     * Send request review for user evidence competencies and reload the region.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype._doReviewUserEvidenceCompetencies = function(evidenceData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_request_review_of_user_evidence_linked_competencies',\n                args: {id: evidenceData.id}\n            }];\n        self._callAndRefresh(calls, evidenceData);\n    };\n\n    /**\n     * Send request review for user evidence competencies.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype.reviewUserEvidenceCompetencies = function(evidenceData) {\n        var self = this,\n            requests;\n\n        requests = ajax.call([{\n            methodname: 'core_competency_read_user_evidence',\n            args: {id: evidenceData.id}\n        }]);\n\n        requests[0].done(function(evidence) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'sendallcompetenciestoreview', component: 'tool_lp', param: evidence.name},\n                {key: 'confirm', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Send all competencies in review for X?\n                    strings[2], // Confirm.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doReviewUserEvidenceCompetencies(evidenceData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Send request review for user evidence competencies handler.\n     *\n     * @param  {Event} e The event.\n     */\n    UserEvidenceActions.prototype._reviewUserEvidenceCompetenciesHandler = function(e) {\n        e.preventDefault();\n        var data = this._findEvidenceData($(e.target));\n        this.reviewUserEvidenceCompetencies(data);\n    };\n\n    /**\n     * Find the evidence data from the evidence node.\n     *\n     * @param  {Node} node The node to search from.\n     * @return {Object} Evidence data.\n     */\n    UserEvidenceActions.prototype._findEvidenceData = function(node) {\n        var parent = node.parentsUntil($(this._region).parent(), this._evidenceNode),\n            data;\n\n        if (parent.length != 1) {\n            throw new Error('The evidence node was not located.');\n        }\n\n        data = parent.data();\n        if (typeof data === 'undefined' || typeof data.id === 'undefined') {\n            throw new Error('Evidence data could not be found.');\n        }\n\n        return data;\n    };\n\n    /**\n     * Enhance a menu bar.\n     *\n     * @param  {String} selector Menubar selector.\n     */\n    UserEvidenceActions.prototype.enhanceMenubar = function(selector) {\n        var self = this;\n        Menubar.enhance(selector, {\n            '[data-action=\"user-evidence-delete\"]': self._deleteEvidenceHandler.bind(self),\n            '[data-action=\"link-competency\"]': self._createUserEvidenceCompetencyHandler.bind(self),\n            '[data-action=\"send-competencies-review\"]': self._reviewUserEvidenceCompetenciesHandler.bind(self),\n        });\n    };\n\n    /**\n     * Register the events in the region.\n     *\n     * At this stage this cannot be used with enhanceMenubar or multiple handlers\n     * will be added to the same node.\n     */\n    UserEvidenceActions.prototype.registerEvents = function() {\n        var wrapper = $(this._region),\n            self = this;\n\n        wrapper.find('[data-action=\"user-evidence-delete\"]').click(self._deleteEvidenceHandler.bind(self));\n        wrapper.find('[data-action=\"link-competency\"]').click(self._createUserEvidenceCompetencyHandler.bind(self));\n        wrapper.find('[data-action=\"delete-competency-link\"]').click(self._deleteUserEvidenceCompetencyHandler.bind(self));\n        wrapper.find('[data-action=\"send-competencies-review\"]').click(self._reviewUserEvidenceCompetenciesHandler.bind(self));\n    };\n\n    return /** @alias module:tool_lp/user_evidence_actions */ UserEvidenceActions;\n});\n"],"file":"user_evidence_actions.min.js"}
\ No newline at end of file
+{"version":3,"file":"user_evidence_actions.min.js","sources":["../src/user_evidence_actions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * User evidence actions.\n *\n * @module     tool_lp/user_evidence_actions\n * @package    tool_lp\n * @copyright  2015 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/templates',\n        'core/ajax',\n        'core/notification',\n        'core/str',\n        'tool_lp/menubar',\n        'tool_lp/competencypicker_user_plans'],\n        function($, templates, ajax, notification, str, Menubar, PickerUserPlans) {\n\n    /**\n     * UserEvidenceActions class.\n     *\n     * Note that presently this cannot be instantiated more than once per page.\n     *\n     * @param {String} type The type of page we're in.\n     */\n    var UserEvidenceActions = function(type) {\n        this._type = type;\n\n        if (type === 'evidence') {\n            // This is the page to view one evidence.\n            this._region = '[data-region=\"user-evidence-page\"]';\n            this._evidenceNode = '[data-region=\"user-evidence-page\"]';\n            this._template = 'tool_lp/user_evidence_page';\n            this._contextMethod = 'tool_lp_data_for_user_evidence_page';\n\n        } else if (type === 'list') {\n            // This is the page to view a list of evidence.\n            this._region = '[data-region=\"user-evidence-list\"]';\n            this._evidenceNode = '[data-region=\"user-evidence-node\"]';\n            this._template = 'tool_lp/user_evidence_list_page';\n            this._contextMethod = 'tool_lp_data_for_user_evidence_list_page';\n\n        } else {\n            throw new TypeError('Unexpected type.');\n        }\n    };\n\n    /** @type {String} Ajax method to fetch the page data from. */\n    UserEvidenceActions.prototype._contextMethod = null;\n    /** @type {String} Selector to find the node describing the evidence. */\n    UserEvidenceActions.prototype._evidenceNode = null;\n    /** @type {String} Selector mapping to the region to update. Usually similar to wrapper. */\n    UserEvidenceActions.prototype._region = null;\n    /** @type {String} Name of the template used to render the region. */\n    UserEvidenceActions.prototype._template = null;\n    /** @type {String} Type of page/region we're in. */\n    UserEvidenceActions.prototype._type = null;\n\n    /**\n     * Resolve the arguments to refresh the region.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     * @return {Object} List of arguments.\n     */\n    UserEvidenceActions.prototype._getContextArgs = function(evidenceData) {\n        var self = this,\n            args = {};\n\n        if (self._type === 'evidence') {\n            args = {\n                id: evidenceData.id\n            };\n\n        } else if (self._type === 'list') {\n            args = {\n                userid: evidenceData.userid\n            };\n        }\n\n        return args;\n    };\n\n    /**\n     * Callback to render the region template.\n     *\n     * @param {Object} context The context for the template.\n     * @return {Promise}\n     */\n    UserEvidenceActions.prototype._renderView = function(context) {\n        var self = this;\n        return templates.render(self._template, context)\n            .then(function(newhtml, newjs) {\n                templates.replaceNode($(self._region), newhtml, newjs);\n                return;\n            });\n    };\n\n    /**\n     * Call multiple ajax methods, and refresh.\n     *\n     * @param  {Array}  calls    List of Ajax calls.\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     * @return {Promise}\n     */\n    UserEvidenceActions.prototype._callAndRefresh = function(calls, evidenceData) {\n        var self = this;\n        calls.push({\n            methodname: self._contextMethod,\n            args: self._getContextArgs(evidenceData)\n        });\n\n        // Apply all the promises, and refresh when the last one is resolved.\n        return $.when.apply($.when, ajax.call(calls))\n            .then(function() {\n                return self._renderView(arguments[arguments.length - 1]);\n            })\n            .fail(notification.exception);\n    };\n\n    /**\n     * Delete a plan and reload the region.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype._doDelete = function(evidenceData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_delete_user_evidence',\n                args: {id: evidenceData.id}\n            }];\n        self._callAndRefresh(calls, evidenceData);\n    };\n\n    /**\n     * Delete a plan.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype.deleteEvidence = function(evidenceData) {\n        var self = this,\n            requests;\n\n        requests = ajax.call([{\n            methodname: 'core_competency_read_user_evidence',\n            args: {id: evidenceData.id}\n        }]);\n\n        requests[0].done(function(evidence) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'deleteuserevidence', component: 'tool_lp', param: evidence.name},\n                {key: 'delete', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Delete evidence X?\n                    strings[2], // Delete.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doDelete(evidenceData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Delete evidence handler.\n     *\n     * @param  {Event} e The event.\n     */\n    UserEvidenceActions.prototype._deleteEvidenceHandler = function(e) {\n        e.preventDefault();\n        var data = this._findEvidenceData($(e.target));\n        this.deleteEvidence(data);\n    };\n\n    /**\n     * Link a competency and reload.\n     *\n     * @param {Object} evidenceData Evidence data from evidence node.\n     * @param {Number} competencyIds The competency IDs.\n     * @param {Boolean} requestReview Send competencies to review.\n     */\n    UserEvidenceActions.prototype._doCreateUserEvidenceCompetency = function(evidenceData, competencyIds) {\n        var self = this,\n            calls = [];\n\n        $.each(competencyIds, function(index, competencyId) {\n            calls.push({\n                methodname: 'core_competency_create_user_evidence_competency',\n                args: {\n                    userevidenceid: evidenceData.id,\n                    competencyid: competencyId,\n                }\n            });\n        });\n\n        self._callAndRefresh(calls, evidenceData);\n    };\n\n    /**\n     * Create a user evidence competency.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype.createUserEvidenceCompetency = function(evidenceData) {\n        var self = this,\n            picker = new PickerUserPlans(evidenceData.userid);\n\n        picker.on('save', function(e, data) {\n            var competencyIds = data.competencyIds;\n            self._doCreateUserEvidenceCompetency(evidenceData, competencyIds, data.requestReview);\n        });\n\n        picker.display();\n    };\n\n    /**\n     * Create user evidence competency handler.\n     *\n     * @param  {Event} e The event.\n     */\n    UserEvidenceActions.prototype._createUserEvidenceCompetencyHandler = function(e) {\n        e.preventDefault();\n        var data = this._findEvidenceData($(e.target));\n        this.createUserEvidenceCompetency(data);\n    };\n\n    /**\n     * Remove a linked competency and reload.\n     *\n     * @param {Object} evidenceData Evidence data from evidence node.\n     * @param {Number} competencyId The competency ID.\n     */\n    UserEvidenceActions.prototype._doDeleteUserEvidenceCompetency = function(evidenceData, competencyId) {\n        var self = this,\n            calls = [];\n\n        calls.push({\n            methodname: 'core_competency_delete_user_evidence_competency',\n            args: {\n                userevidenceid: evidenceData.id,\n                competencyid: competencyId,\n            }\n        });\n\n        self._callAndRefresh(calls, evidenceData);\n    };\n\n    /**\n     * Delete a user evidence competency.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     * @param  {Number} competencyId The competency ID.\n     */\n    UserEvidenceActions.prototype.deleteUserEvidenceCompetency = function(evidenceData, competencyId) {\n        this._doDeleteUserEvidenceCompetency(evidenceData, competencyId);\n    };\n\n    /**\n     * Delete user evidence competency handler.\n     *\n     * @param  {Event} e The event.\n     */\n    UserEvidenceActions.prototype._deleteUserEvidenceCompetencyHandler = function(e) {\n        var data = this._findEvidenceData($(e.currentTarget)),\n            competencyId = $(e.currentTarget).data('id');\n        e.preventDefault();\n        this.deleteUserEvidenceCompetency(data, competencyId);\n    };\n\n    /**\n     * Send request review for user evidence competencies and reload the region.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype._doReviewUserEvidenceCompetencies = function(evidenceData) {\n        var self = this,\n            calls = [{\n                methodname: 'core_competency_request_review_of_user_evidence_linked_competencies',\n                args: {id: evidenceData.id}\n            }];\n        self._callAndRefresh(calls, evidenceData);\n    };\n\n    /**\n     * Send request review for user evidence competencies.\n     *\n     * @param  {Object} evidenceData Evidence data from evidence node.\n     */\n    UserEvidenceActions.prototype.reviewUserEvidenceCompetencies = function(evidenceData) {\n        var self = this,\n            requests;\n\n        requests = ajax.call([{\n            methodname: 'core_competency_read_user_evidence',\n            args: {id: evidenceData.id}\n        }]);\n\n        requests[0].done(function(evidence) {\n            str.get_strings([\n                {key: 'confirm', component: 'moodle'},\n                {key: 'sendallcompetenciestoreview', component: 'tool_lp', param: evidence.name},\n                {key: 'confirm', component: 'moodle'},\n                {key: 'cancel', component: 'moodle'}\n            ]).done(function(strings) {\n                notification.confirm(\n                    strings[0], // Confirm.\n                    strings[1], // Send all competencies in review for X?\n                    strings[2], // Confirm.\n                    strings[3], // Cancel.\n                    function() {\n                        self._doReviewUserEvidenceCompetencies(evidenceData);\n                    }\n                );\n            }).fail(notification.exception);\n        }).fail(notification.exception);\n\n    };\n\n    /**\n     * Send request review for user evidence competencies handler.\n     *\n     * @param  {Event} e The event.\n     */\n    UserEvidenceActions.prototype._reviewUserEvidenceCompetenciesHandler = function(e) {\n        e.preventDefault();\n        var data = this._findEvidenceData($(e.target));\n        this.reviewUserEvidenceCompetencies(data);\n    };\n\n    /**\n     * Find the evidence data from the evidence node.\n     *\n     * @param  {Node} node The node to search from.\n     * @return {Object} Evidence data.\n     */\n    UserEvidenceActions.prototype._findEvidenceData = function(node) {\n        var parent = node.parentsUntil($(this._region).parent(), this._evidenceNode),\n            data;\n\n        if (parent.length != 1) {\n            throw new Error('The evidence node was not located.');\n        }\n\n        data = parent.data();\n        if (typeof data === 'undefined' || typeof data.id === 'undefined') {\n            throw new Error('Evidence data could not be found.');\n        }\n\n        return data;\n    };\n\n    /**\n     * Enhance a menu bar.\n     *\n     * @param  {String} selector Menubar selector.\n     */\n    UserEvidenceActions.prototype.enhanceMenubar = function(selector) {\n        var self = this;\n        Menubar.enhance(selector, {\n            '[data-action=\"user-evidence-delete\"]': self._deleteEvidenceHandler.bind(self),\n            '[data-action=\"link-competency\"]': self._createUserEvidenceCompetencyHandler.bind(self),\n            '[data-action=\"send-competencies-review\"]': self._reviewUserEvidenceCompetenciesHandler.bind(self),\n        });\n    };\n\n    /**\n     * Register the events in the region.\n     *\n     * At this stage this cannot be used with enhanceMenubar or multiple handlers\n     * will be added to the same node.\n     */\n    UserEvidenceActions.prototype.registerEvents = function() {\n        var wrapper = $(this._region),\n            self = this;\n\n        wrapper.find('[data-action=\"user-evidence-delete\"]').click(self._deleteEvidenceHandler.bind(self));\n        wrapper.find('[data-action=\"link-competency\"]').click(self._createUserEvidenceCompetencyHandler.bind(self));\n        wrapper.find('[data-action=\"delete-competency-link\"]').click(self._deleteUserEvidenceCompetencyHandler.bind(self));\n        wrapper.find('[data-action=\"send-competencies-review\"]').click(self._reviewUserEvidenceCompetenciesHandler.bind(self));\n    };\n\n    return /** @alias module:tool_lp/user_evidence_actions */ 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diff --git a/admin/tool/moodlenet/amd/build/instance_form.min.js b/admin/tool/moodlenet/amd/build/instance_form.min.js
index a6f0561f12d..5129318fcd6 100644
--- a/admin/tool/moodlenet/amd/build/instance_form.min.js
+++ b/admin/tool/moodlenet/amd/build/instance_form.min.js
@@ -1,2 +1,18 @@
-define ("tool_moodlenet/instance_form",["tool_moodlenet/validator","tool_moodlenet/selectors","core/loadingicon","core/templates","core/notification","jquery"],function(a,b,c,d,e,f){var g=function(d){d.addEventListener("click",function(f){if(f.target.matches(b.action.submit)){var e=d.querySelector("[data-var=\"mnet-link\"]"),g=d.querySelector(b.region.spinner),h=document.querySelector(b.region.validationArea);g.classList.remove("d-none");var i=c.addIconToContainerWithPromise(g);a.validation(e).then(function(a){i.resolve();g.classList.add("d-none");if(a.result){e.classList.remove("is-invalid");e.classList.add("is-valid");h.innerText=a.message;h.classList.remove("text-error");h.classList.add("text-success");setTimeout(function(){window.location=a.domain},1e3)}else{e.classList.add("is-invalid");h.innerText=a.message;h.classList.add("text-error")}}).catch()}})},h=function(a,b,h,i){a.innerHTML="";var j=c.addIconToContainer(a),k=null,l=new Promise(function(a){k=a});f.when(j,l).then(function(){d.replaceNodeContents(a,b.customcarouseltemplate,"")}).catch(e.exception);g(a);h.one("slid.bs.carousel",function(){k()});h.carousel(2);i.setFooter(d.render("tool_moodlenet/chooser_footer_close_mnet",{}))},i=function(a,b,c){a.carousel(0);b.setFooter(c.customfootertemplate)};return{footerClickListener:function footerClickListener(a,c,d){if(a.target.matches(b.action.showMoodleNet)||a.target.closest(b.action.showMoodleNet)){a.preventDefault();var e=f(d.getBody()[0].querySelector(b.region.carousel)),g=e.find(b.region.moodleNet)[0];h(g,c,e,d)}if(a.target.matches(b.action.closeOption)){var j=f(d.getBody()[0].querySelector(b.region.carousel));i(j,d,c)}}}});
-//# sourceMappingURL=instance_form.min.js.map
+/**
+ * Our basic form manager for when a user either enters
+ * their profile url or just wants to browse.
+ *
+ * This file is a mishmash of JS functions we need for both the standalone (M3.7, M3.8)
+ * plugin & Moodle 3.9 functions. The 3.9 Functions have a base understanding that certain
+ * things exist i.e. directory structures for templates. When this feature goes 3.9+ only
+ * The goal is that we can quickly gut all AMD modules into bare JS files and use ES6 guidelines.
+ * Till then this will have to do.
+ *
+ * @module     tool_moodlenet/instance_form
+ * @package    tool_moodlenet
+ * @copyright  2020 Mathew May <mathew.solutions>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_moodlenet/instance_form",["tool_moodlenet/validator","tool_moodlenet/selectors","core/loadingicon","core/templates","core/notification","jquery"],(function(Validator,Selectors,LoadingIcon,Templates,Notification,$){var chooserNavigateToMnet=function(showMoodleNet,footerData,carousel,modal){showMoodleNet.innerHTML="";var page,spinnerPromise=LoadingIcon.addIconToContainer(showMoodleNet),transitionPromiseResolver=null,transitionPromise=new Promise((function(resolve){transitionPromiseResolver=resolve}));$.when(spinnerPromise,transitionPromise).then((function(){Templates.replaceNodeContents(showMoodleNet,footerData.customcarouseltemplate,"")})).catch(Notification.exception),(page=showMoodleNet).addEventListener("click",(function(e){if(e.target.matches(Selectors.action.submit)){var input=page.querySelector('[data-var="mnet-link"]'),overlay=page.querySelector(Selectors.region.spinner),validationArea=document.querySelector(Selectors.region.validationArea);overlay.classList.remove("d-none");var spinner=LoadingIcon.addIconToContainerWithPromise(overlay);Validator.validation(input).then((function(result){spinner.resolve(),overlay.classList.add("d-none"),result.result?(input.classList.remove("is-invalid"),input.classList.add("is-valid"),validationArea.innerText=result.message,validationArea.classList.remove("text-error"),validationArea.classList.add("text-success"),setTimeout((function(){window.location=result.domain}),1e3)):(input.classList.add("is-invalid"),validationArea.innerText=result.message,validationArea.classList.add("text-error"))})).catch()}})),carousel.one("slid.bs.carousel",(function(){transitionPromiseResolver()})),carousel.carousel(2),modal.setFooter(Templates.render("tool_moodlenet/chooser_footer_close_mnet",{}))};return{footerClickListener:function(e,footerData,modal){if(e.target.matches(Selectors.action.showMoodleNet)||e.target.closest(Selectors.action.showMoodleNet)){e.preventDefault();var carousel=$(modal.getBody()[0].querySelector(Selectors.region.carousel)),showMoodleNet=carousel.find(Selectors.region.moodleNet)[0];chooserNavigateToMnet(showMoodleNet,footerData,carousel,modal)}e.target.matches(Selectors.action.closeOption)&&function(carousel,modal,footerData){carousel.carousel(0),modal.setFooter(footerData.customfootertemplate)}($(modal.getBody()[0].querySelector(Selectors.region.carousel)),modal,footerData)}}}));
+
+//# sourceMappingURL=instance_form.min.js.map
\ No newline at end of file
diff --git a/admin/tool/moodlenet/amd/build/instance_form.min.js.map b/admin/tool/moodlenet/amd/build/instance_form.min.js.map
index 3e2853cc56c..505e5f20cb1 100644
--- a/admin/tool/moodlenet/amd/build/instance_form.min.js.map
+++ b/admin/tool/moodlenet/amd/build/instance_form.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Our basic form manager for when a user either enters\n * their profile url or just wants to browse.\n *\n * This file is a mishmash of JS functions we need for both the standalone (M3.7, M3.8)\n * plugin & Moodle 3.9 functions. The 3.9 Functions have a base understanding that certain\n * things exist i.e. directory structures for templates. When this feature goes 3.9+ only\n * The goal is that we can quickly gut all AMD modules into bare JS files and use ES6 guidelines.\n * Till then this will have to do.\n *\n * @module     tool_moodlenet/instance_form\n * @package    tool_moodlenet\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['tool_moodlenet/validator',\n        'tool_moodlenet/selectors',\n        'core/loadingicon',\n        'core/templates',\n        'core/notification',\n        'jquery'],\n    function(Validator,\n             Selectors,\n             LoadingIcon,\n             Templates,\n             Notification,\n             $) {\n\n    /**\n     * Add the event listeners to our form.\n     *\n     * @method registerListenerEvents\n     * @param {HTMLElement} page The whole page element for our form area\n     */\n    var registerListenerEvents = function registerListenerEvents(page) {\n        page.addEventListener('click', function(e) {\n\n            // Our fake submit button / browse button.\n            if (e.target.matches(Selectors.action.submit)) {\n                var input = page.querySelector('[data-var=\"mnet-link\"]');\n                var overlay = page.querySelector(Selectors.region.spinner);\n                var validationArea = document.querySelector(Selectors.region.validationArea);\n\n                overlay.classList.remove('d-none');\n                var spinner = LoadingIcon.addIconToContainerWithPromise(overlay);\n                Validator.validation(input)\n                    .then(function(result) {\n                        spinner.resolve();\n                        overlay.classList.add('d-none');\n                        if (result.result) {\n                            input.classList.remove('is-invalid'); // Just in case the class has been applied already.\n                            input.classList.add('is-valid');\n                            validationArea.innerText = result.message;\n                            validationArea.classList.remove('text-error');\n                            validationArea.classList.add('text-success');\n                            // Give the user some time to see their input is valid.\n                            setTimeout(function() {\n                                window.location = result.domain;\n                            }, 1000);\n                        } else {\n                            input.classList.add('is-invalid');\n                            validationArea.innerText = result.message;\n                            validationArea.classList.add('text-error');\n                        }\n                        return;\n                }).catch();\n            }\n        });\n    };\n\n    /**\n     * Given a user wishes to see the MoodleNet profile url form transition them there.\n     *\n     * @method chooserNavigateToMnet\n     * @param {HTMLElement} showMoodleNet The chooser's area for ment\n     * @param {Object} footerData Our footer object to render out\n     * @param {jQuery} carousel Our carousel instance to manage\n     * @param {jQuery} modal Our modal instance to manage\n     */\n    var chooserNavigateToMnet = function(showMoodleNet, footerData, carousel, modal) {\n        showMoodleNet.innerHTML = '';\n\n        // Add a spinner.\n        var spinnerPromise = LoadingIcon.addIconToContainer(showMoodleNet);\n\n        // Used later...\n        var transitionPromiseResolver = null;\n        var transitionPromise = new Promise(resolve => {\n            transitionPromiseResolver = resolve;\n        });\n\n        $.when(\n            spinnerPromise,\n            transitionPromise\n        ).then(function() {\n                Templates.replaceNodeContents(showMoodleNet, footerData.customcarouseltemplate, '');\n                return;\n        }).catch(Notification.exception);\n\n        // We apply our handlers in here to minimise plugin dependency in the Chooser.\n        registerListenerEvents(showMoodleNet);\n\n        // Move to the next slide, and resolve the transition promise when it's done.\n        carousel.one('slid.bs.carousel', function() {\n            transitionPromiseResolver();\n        });\n        // Trigger the transition between 'pages'.\n        carousel.carousel(2);\n        // eslint-disable-next-line max-len\n        modal.setFooter(Templates.render('tool_moodlenet/chooser_footer_close_mnet', {}));\n    };\n\n    /**\n     * Given a user no longer wishes to see the MoodleNet profile url form transition them from there.\n     *\n     * @method chooserNavigateFromMnet\n     * @param {jQuery} carousel Our carousel instance to manage\n     * @param {jQuery} modal Our modal instance to manage\n     * @param {Object} footerData Our footer object to render out\n     */\n    var chooserNavigateFromMnet = function(carousel, modal, footerData) {\n        // Trigger the transition between 'pages'.\n        carousel.carousel(0);\n        modal.setFooter(footerData.customfootertemplate);\n    };\n\n        /**\n         * Create the custom listener that would handle anything in the footer.\n         *\n         * @param {Event} e The event being triggered.\n         * @param {Object} footerData The data generated from the exporter.\n         * @param {Object} modal The chooser modal.\n         */\n    var footerClickListener = function(e, footerData, modal) {\n        if (e.target.matches(Selectors.action.showMoodleNet) || e.target.closest(Selectors.action.showMoodleNet)) {\n            e.preventDefault();\n            const carousel = $(modal.getBody()[0].querySelector(Selectors.region.carousel));\n            const showMoodleNet = carousel.find(Selectors.region.moodleNet)[0];\n\n            chooserNavigateToMnet(showMoodleNet, footerData, carousel, modal);\n        }\n        // From the help screen go back to the module overview.\n        if (e.target.matches(Selectors.action.closeOption)) {\n            const carousel = $(modal.getBody()[0].querySelector(Selectors.region.carousel));\n\n            chooserNavigateFromMnet(carousel, modal, footerData);\n        }\n    };\n\n    return {\n        footerClickListener: footerClickListener\n    };\n});\n"],"file":"instance_form.min.js"}
\ No newline at end of file
+{"version":3,"file":"instance_form.min.js","sources":["../src/instance_form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Our basic form manager for when a user either enters\n * their profile url or just wants to browse.\n *\n * This file is a mishmash of JS functions we need for both the standalone (M3.7, M3.8)\n * plugin & Moodle 3.9 functions. The 3.9 Functions have a base understanding that certain\n * things exist i.e. directory structures for templates. When this feature goes 3.9+ only\n * The goal is that we can quickly gut all AMD modules into bare JS files and use ES6 guidelines.\n * Till then this will have to do.\n *\n * @module     tool_moodlenet/instance_form\n * @package    tool_moodlenet\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['tool_moodlenet/validator',\n        'tool_moodlenet/selectors',\n        'core/loadingicon',\n        'core/templates',\n        'core/notification',\n        'jquery'],\n    function(Validator,\n             Selectors,\n             LoadingIcon,\n             Templates,\n             Notification,\n             $) {\n\n    /**\n     * Add the event listeners to our form.\n     *\n     * @method registerListenerEvents\n     * @param {HTMLElement} page The whole page element for our form area\n     */\n    var registerListenerEvents = function registerListenerEvents(page) {\n        page.addEventListener('click', function(e) {\n\n            // Our fake submit button / browse button.\n            if (e.target.matches(Selectors.action.submit)) {\n                var input = page.querySelector('[data-var=\"mnet-link\"]');\n                var overlay = page.querySelector(Selectors.region.spinner);\n                var validationArea = document.querySelector(Selectors.region.validationArea);\n\n                overlay.classList.remove('d-none');\n                var spinner = LoadingIcon.addIconToContainerWithPromise(overlay);\n                Validator.validation(input)\n                    .then(function(result) {\n                        spinner.resolve();\n                        overlay.classList.add('d-none');\n                        if (result.result) {\n                            input.classList.remove('is-invalid'); // Just in case the class has been applied already.\n                            input.classList.add('is-valid');\n                            validationArea.innerText = result.message;\n                            validationArea.classList.remove('text-error');\n                            validationArea.classList.add('text-success');\n                            // Give the user some time to see their input is valid.\n                            setTimeout(function() {\n                                window.location = result.domain;\n                            }, 1000);\n                        } else {\n                            input.classList.add('is-invalid');\n                            validationArea.innerText = result.message;\n                            validationArea.classList.add('text-error');\n                        }\n                        return;\n                }).catch();\n            }\n        });\n    };\n\n    /**\n     * Given a user wishes to see the MoodleNet profile url form transition them there.\n     *\n     * @method chooserNavigateToMnet\n     * @param {HTMLElement} showMoodleNet The chooser's area for ment\n     * @param {Object} footerData Our footer object to render out\n     * @param {jQuery} carousel Our carousel instance to manage\n     * @param {jQuery} modal Our modal instance to manage\n     */\n    var chooserNavigateToMnet = function(showMoodleNet, footerData, carousel, modal) {\n        showMoodleNet.innerHTML = '';\n\n        // Add a spinner.\n        var spinnerPromise = LoadingIcon.addIconToContainer(showMoodleNet);\n\n        // Used later...\n        var transitionPromiseResolver = null;\n        var transitionPromise = new Promise(resolve => {\n            transitionPromiseResolver = resolve;\n        });\n\n        $.when(\n            spinnerPromise,\n            transitionPromise\n        ).then(function() {\n                Templates.replaceNodeContents(showMoodleNet, footerData.customcarouseltemplate, '');\n                return;\n        }).catch(Notification.exception);\n\n        // We apply our handlers in here to minimise plugin dependency in the Chooser.\n        registerListenerEvents(showMoodleNet);\n\n        // Move to the next slide, and resolve the transition promise when it's done.\n        carousel.one('slid.bs.carousel', function() {\n            transitionPromiseResolver();\n        });\n        // Trigger the transition between 'pages'.\n        carousel.carousel(2);\n        // eslint-disable-next-line max-len\n        modal.setFooter(Templates.render('tool_moodlenet/chooser_footer_close_mnet', {}));\n    };\n\n    /**\n     * Given a user no longer wishes to see the MoodleNet profile url form transition them from there.\n     *\n     * @method chooserNavigateFromMnet\n     * @param {jQuery} carousel Our carousel instance to manage\n     * @param {jQuery} modal Our modal instance to manage\n     * @param {Object} footerData Our footer object to render out\n     */\n    var chooserNavigateFromMnet = function(carousel, modal, footerData) {\n        // Trigger the transition between 'pages'.\n        carousel.carousel(0);\n        modal.setFooter(footerData.customfootertemplate);\n    };\n\n        /**\n         * Create the custom listener that would handle anything in the footer.\n         *\n         * @param {Event} e The event being triggered.\n         * @param {Object} footerData The data generated from the exporter.\n         * @param {Object} modal The chooser modal.\n         */\n    var footerClickListener = function(e, footerData, modal) {\n        if (e.target.matches(Selectors.action.showMoodleNet) || e.target.closest(Selectors.action.showMoodleNet)) {\n            e.preventDefault();\n            const carousel = $(modal.getBody()[0].querySelector(Selectors.region.carousel));\n            const showMoodleNet = carousel.find(Selectors.region.moodleNet)[0];\n\n            chooserNavigateToMnet(showMoodleNet, footerData, carousel, modal);\n        }\n        // From the help screen go back to the module overview.\n        if (e.target.matches(Selectors.action.closeOption)) {\n            const carousel = $(modal.getBody()[0].querySelector(Selectors.region.carousel));\n\n            chooserNavigateFromMnet(carousel, modal, footerData);\n        }\n    };\n\n    return {\n        footerClickListener: footerClickListener\n    };\n});\n"],"names":["define","Validator","Selectors","LoadingIcon","Templates","Notification","$","chooserNavigateToMnet","showMoodleNet","footerData","carousel","modal","innerHTML","page","spinnerPromise","addIconToContainer","transitionPromiseResolver","transitionPromise","Promise","resolve","when","then","replaceNodeContents","customcarouseltemplate","catch","exception","addEventListener","e","target","matches","action","submit","input","querySelector","overlay","region","spinner","validationArea","document","classList","remove","addIconToContainerWithPromise","validation","result","add","innerText","message","setTimeout","window","location","domain","one","setFooter","render","footerClickListener","closest","preventDefault","getBody","find","moodleNet","closeOption","customfootertemplate","chooserNavigateFromMnet"],"mappings":";;;;;;;;;;;;;;;AA+BAA,sCAAO,CAAC,2BACA,2BACA,mBACA,iBACA,oBACA,WACJ,SAASC,UACAC,UACAC,YACAC,UACAC,aACAC,OAqDLC,sBAAwB,SAASC,cAAeC,WAAYC,SAAUC,OACtEH,cAAcI,UAAY,OA9C+BC,KAiDrDC,eAAiBX,YAAYY,mBAAmBP,eAGhDQ,0BAA4B,KAC5BC,kBAAoB,IAAIC,SAAQ,SAAAC,SAChCH,0BAA4BG,WAGhCb,EAAEc,KACEN,eACAG,mBACFI,MAAK,WACCjB,UAAUkB,oBAAoBd,cAAeC,WAAWc,uBAAwB,OAErFC,MAAMnB,aAAaoB,YA/DmCZ,KAkElCL,eAjElBkB,iBAAiB,SAAS,SAASC,MAGhCA,EAAEC,OAAOC,QAAQ3B,UAAU4B,OAAOC,QAAS,KACvCC,MAAQnB,KAAKoB,cAAc,0BAC3BC,QAAUrB,KAAKoB,cAAc/B,UAAUiC,OAAOC,SAC9CC,eAAiBC,SAASL,cAAc/B,UAAUiC,OAAOE,gBAE7DH,QAAQK,UAAUC,OAAO,cACrBJ,QAAUjC,YAAYsC,8BAA8BP,SACxDjC,UAAUyC,WAAWV,OAChBX,MAAK,SAASsB,QACXP,QAAQjB,UACRe,QAAQK,UAAUK,IAAI,UAClBD,OAAOA,QACPX,MAAMO,UAAUC,OAAO,cACvBR,MAAMO,UAAUK,IAAI,YACpBP,eAAeQ,UAAYF,OAAOG,QAClCT,eAAeE,UAAUC,OAAO,cAChCH,eAAeE,UAAUK,IAAI,gBAE7BG,YAAW,WACPC,OAAOC,SAAWN,OAAOO,SAC1B,OAEHlB,MAAMO,UAAUK,IAAI,cACpBP,eAAeQ,UAAYF,OAAOG,QAClCT,eAAeE,UAAUK,IAAI,kBAGtCpB,YAsCXd,SAASyC,IAAI,oBAAoB,WAC7BnC,+BAGJN,SAASA,SAAS,GAElBC,MAAMyC,UAAUhD,UAAUiD,OAAO,2CAA4C,YAwC1E,CACHC,oBAjBsB,SAAS3B,EAAGlB,WAAYE,UAC1CgB,EAAEC,OAAOC,QAAQ3B,UAAU4B,OAAOtB,gBAAkBmB,EAAEC,OAAO2B,QAAQrD,UAAU4B,OAAOtB,eAAgB,CACtGmB,EAAE6B,qBACI9C,SAAWJ,EAAEK,MAAM8C,UAAU,GAAGxB,cAAc/B,UAAUiC,OAAOzB,WAC/DF,cAAgBE,SAASgD,KAAKxD,UAAUiC,OAAOwB,WAAW,GAEhEpD,sBAAsBC,cAAeC,WAAYC,SAAUC,OAG3DgB,EAAEC,OAAOC,QAAQ3B,UAAU4B,OAAO8B,cAtBZ,SAASlD,SAAUC,MAAOF,YAEpDC,SAASA,SAAS,GAClBC,MAAMyC,UAAU3C,WAAWoD,sBAsBvBC,CAFiBxD,EAAEK,MAAM8C,UAAU,GAAGxB,cAAc/B,UAAUiC,OAAOzB,WAEnCC,MAAOF"}
\ No newline at end of file
diff --git a/admin/tool/moodlenet/amd/build/select_page.min.js b/admin/tool/moodlenet/amd/build/select_page.min.js
index 558896069b9..9d266e83a64 100644
--- a/admin/tool/moodlenet/amd/build/select_page.min.js
+++ b/admin/tool/moodlenet/amd/build/select_page.min.js
@@ -1,2 +1,11 @@
-define ("tool_moodlenet/select_page",["core/ajax","core/templates","tool_moodlenet/selectors","core/notification"],function(a,b,c,d){var e,f=function(a){return b.renderPix("courses","tool_moodlenet").then(function(a){return a}).then(function(a){var c=document.createElement("div");c.innerHTML=a.trim();return b.render("core_course/no-courses",{nocoursesimg:c.firstChild.src})}).then(function(c,d){b.replaceNodeContents(a,c,d);a.classList.add("mx-auto");a.classList.add("w-25")})},g=function(a,c){return b.render("tool_moodlenet/view-cards",{courses:c}).then(function(c,d){b.replaceNodeContents(a,c,d);a.classList.remove("mx-auto");a.classList.remove("w-25")})},h=function(b,h,i){var j=h.querySelector(c.region.searchIcon),k=h.querySelector(c.region.clearIcon);if(""!==b){j.classList.add("d-none");k.parentElement.classList.remove("d-none")}else{j.classList.remove("d-none");k.parentElement.classList.add("d-none")}a.call([{methodname:"tool_moodlenet_search_courses",args:{searchvalue:b}}])[0].then(function(a){if(0===a.courses.length){return f(i)}else{a.courses.forEach(function(a){a.viewurl+="&id="+e});return g(i,a.courses)}}).catch(d.exception)},i=function(a){var b=a.querySelector(c.region.searchInput),d=a.querySelector(c.region.courses),e=a.querySelector(c.region.clearIcon);e.addEventListener("click",function(){b.value="";h("",a,d)});b.addEventListener("input",k(function(){h(b.value,a,d)},300))},j=function(a){var b=a.querySelector(c.region.courses);h("",a,b)},k=function(a,b,c){var d;return function(){var e=this,f=arguments,g=c&&!d;clearTimeout(d);d=setTimeout(function later(){d=null;if(!c){a.apply(e,f)}},b);if(g){a.apply(e,f)}}};return{init:function init(a){e=a;var b=document.querySelector(c.region.selectPage);i(b);j(b)}}});
-//# sourceMappingURL=select_page.min.js.map
+/**
+ * When returning to Moodle let the user select which course to add the resource to.
+ *
+ * @module     tool_moodlenet/select_page
+ * @package    tool_moodlenet
+ * @copyright  2020 Mathew May <mathew.solutions>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_moodlenet/select_page",["core/ajax","core/templates","tool_moodlenet/selectors","core/notification"],(function(Ajax,Templates,Selectors,Notification){var importId,searchCourses=function(inputValue,page,areaReplace){var searchIcon=page.querySelector(Selectors.region.searchIcon),clearIcon=page.querySelector(Selectors.region.clearIcon);""!==inputValue?(searchIcon.classList.add("d-none"),clearIcon.parentElement.classList.remove("d-none")):(searchIcon.classList.remove("d-none"),clearIcon.parentElement.classList.add("d-none"));var args={searchvalue:inputValue};Ajax.call([{methodname:"tool_moodlenet_search_courses",args:args}])[0].then((function(result){return 0===result.courses.length?function(areaReplace){return Templates.renderPix("courses","tool_moodlenet").then((function(img){return img})).then((function(img){var temp=document.createElement("div");return temp.innerHTML=img.trim(),Templates.render("core_course/no-courses",{nocoursesimg:temp.firstChild.src})})).then((function(html,js){Templates.replaceNodeContents(areaReplace,html,js),areaReplace.classList.add("mx-auto"),areaReplace.classList.add("w-25")}))}(areaReplace):(result.courses.forEach((function(course){course.viewurl+="&id="+importId})),function(areaReplace,courses){return Templates.render("tool_moodlenet/view-cards",{courses:courses}).then((function(html,js){Templates.replaceNodeContents(areaReplace,html,js),areaReplace.classList.remove("mx-auto"),areaReplace.classList.remove("w-25")}))}(areaReplace,result.courses))})).catch(Notification.exception)},registerListenerEvents=function(page){var input=page.querySelector(Selectors.region.searchInput),courseArea=page.querySelector(Selectors.region.courses);page.querySelector(Selectors.region.clearIcon).addEventListener("click",(function(){input.value="",searchCourses("",page,courseArea)})),input.addEventListener("input",debounce((function(){searchCourses(input.value,page,courseArea)}),300))},addCourses=function(page){var courseArea=page.querySelector(Selectors.region.courses);searchCourses("",page,courseArea)},debounce=function(func,wait,immediate){var timeout;return function(){var context=this,args=arguments,later=function(){timeout=null,immediate||func.apply(context,args)},callNow=immediate&&!timeout;clearTimeout(timeout),timeout=setTimeout(later,wait),callNow&&func.apply(context,args)}};return{init:function(importIdString){importId=importIdString;var page=document.querySelector(Selectors.region.selectPage);registerListenerEvents(page),addCourses(page)}}}));
+
+//# sourceMappingURL=select_page.min.js.map
\ No newline at end of file
diff --git a/admin/tool/moodlenet/amd/build/select_page.min.js.map b/admin/tool/moodlenet/amd/build/select_page.min.js.map
index 49e47572829..e688d43464a 100644
--- a/admin/tool/moodlenet/amd/build/select_page.min.js.map
+++ b/admin/tool/moodlenet/amd/build/select_page.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/select_page.js"],"names":["define","Ajax","Templates","Selectors","Notification","importId","renderNoCourses","areaReplace","renderPix","then","img","temp","document","createElement","innerHTML","trim","render","nocoursesimg","firstChild","src","html","js","replaceNodeContents","classList","add","renderCourses","courses","remove","searchCourses","inputValue","page","searchIcon","querySelector","region","clearIcon","parentElement","call","methodname","args","searchvalue","result","length","forEach","course","viewurl","catch","exception","registerListenerEvents","input","searchInput","courseArea","addEventListener","value","debounce","addCourses","func","wait","immediate","timeout","context","arguments","callNow","clearTimeout","setTimeout","later","apply","init","importIdString","selectPage"],"mappings":"AAwBAA,OAAM,8BAAC,CACH,WADG,CAEH,gBAFG,CAGH,0BAHG,CAIH,mBAJG,CAAD,CAKH,SACCC,CADD,CAECC,CAFD,CAGCC,CAHD,CAICC,CAJD,CAKD,IAIMC,CAAAA,CAJN,CAyBMC,CAAe,CAAG,SAASC,CAAT,CAAsB,CACxC,MAAOL,CAAAA,CAAS,CAACM,SAAV,CAAoB,SAApB,CAA+B,gBAA/B,EAAiDC,IAAjD,CAAsD,SAASC,CAAT,CAAc,CACvE,MAAOA,CAAAA,CACV,CAFM,EAEJD,IAFI,CAEC,SAASC,CAAT,CAAc,CAClB,GAAIC,CAAAA,CAAI,CAAGC,QAAQ,CAACC,aAAT,CAAuB,KAAvB,CAAX,CACAF,CAAI,CAACG,SAAL,CAAiBJ,CAAG,CAACK,IAAJ,EAAjB,CACA,MAAOb,CAAAA,CAAS,CAACc,MAAV,CAAiB,wBAAjB,CAA2C,CAC9CC,YAAY,CAAEN,CAAI,CAACO,UAAL,CAAgBC,GADgB,CAA3C,CAGV,CARM,EAQJV,IARI,CAQC,SAASW,CAAT,CAAeC,CAAf,CAAmB,CACvBnB,CAAS,CAACoB,mBAAV,CAA8Bf,CAA9B,CAA2Ca,CAA3C,CAAiDC,CAAjD,EACAd,CAAW,CAACgB,SAAZ,CAAsBC,GAAtB,CAA0B,SAA1B,EACAjB,CAAW,CAACgB,SAAZ,CAAsBC,GAAtB,CAA0B,MAA1B,CAEH,CAbM,CAcV,CAxCH,CAiDMC,CAAa,CAAG,SAASlB,CAAT,CAAsBmB,CAAtB,CAA+B,CAC/C,MAAOxB,CAAAA,CAAS,CAACc,MAAV,CAAiB,2BAAjB,CAA8C,CACjDU,OAAO,CAAEA,CADwC,CAA9C,EAEJjB,IAFI,CAEC,SAASW,CAAT,CAAeC,CAAf,CAAmB,CACvBnB,CAAS,CAACoB,mBAAV,CAA8Bf,CAA9B,CAA2Ca,CAA3C,CAAiDC,CAAjD,EACAd,CAAW,CAACgB,SAAZ,CAAsBI,MAAtB,CAA6B,SAA7B,EACApB,CAAW,CAACgB,SAAZ,CAAsBI,MAAtB,CAA6B,MAA7B,CAEH,CAPM,CAQV,CA1DH,CAoEMC,CAAa,CAAG,SAASC,CAAT,CAAqBC,CAArB,CAA2BvB,CAA3B,CAAwC,IACpDwB,CAAAA,CAAU,CAAGD,CAAI,CAACE,aAAL,CAAmB7B,CAAS,CAAC8B,MAAV,CAAiBF,UAApC,CADuC,CAEpDG,CAAS,CAAGJ,CAAI,CAACE,aAAL,CAAmB7B,CAAS,CAAC8B,MAAV,CAAiBC,SAApC,CAFwC,CAIxD,GAAmB,EAAf,GAAAL,CAAJ,CAAuB,CACnBE,CAAU,CAACR,SAAX,CAAqBC,GAArB,CAAyB,QAAzB,EACAU,CAAS,CAACC,aAAV,CAAwBZ,SAAxB,CAAkCI,MAAlC,CAAyC,QAAzC,CACH,CAHD,IAGO,CACHI,CAAU,CAACR,SAAX,CAAqBI,MAArB,CAA4B,QAA5B,EACAO,CAAS,CAACC,aAAV,CAAwBZ,SAAxB,CAAkCC,GAAlC,CAAsC,QAAtC,CACH,CAIDvB,CAAI,CAACmC,IAAL,CAAU,CAAC,CACPC,UAAU,CAAE,+BADL,CAEPC,IAAI,CALG,CACPC,WAAW,CAAEV,CADN,CAGA,CAAD,CAAV,EAGI,CAHJ,EAGOpB,IAHP,CAGY,SAAS+B,CAAT,CAAiB,CACzB,GAA8B,CAA1B,GAAAA,CAAM,CAACd,OAAP,CAAee,MAAnB,CAAiC,CAC7B,MAAOnC,CAAAA,CAAe,CAACC,CAAD,CACzB,CAFD,IAEO,CAEHiC,CAAM,CAACd,OAAP,CAAegB,OAAf,CAAuB,SAASC,CAAT,CAAiB,CACpCA,CAAM,CAACC,OAAP,EAAkB,OAASvC,CAC9B,CAFD,EAGA,MAAOoB,CAAAA,CAAa,CAAClB,CAAD,CAAciC,CAAM,CAACd,OAArB,CACvB,CACJ,CAbD,EAaGmB,KAbH,CAaSzC,CAAY,CAAC0C,SAbtB,CAcH,CAhGH,CAwGMC,CAAsB,CAAG,SAASjB,CAAT,CAAe,IACpCkB,CAAAA,CAAK,CAAGlB,CAAI,CAACE,aAAL,CAAmB7B,CAAS,CAAC8B,MAAV,CAAiBgB,WAApC,CAD4B,CAEpCC,CAAU,CAAGpB,CAAI,CAACE,aAAL,CAAmB7B,CAAS,CAAC8B,MAAV,CAAiBP,OAApC,CAFuB,CAGpCQ,CAAS,CAAGJ,CAAI,CAACE,aAAL,CAAmB7B,CAAS,CAAC8B,MAAV,CAAiBC,SAApC,CAHwB,CAIxCA,CAAS,CAACiB,gBAAV,CAA2B,OAA3B,CAAoC,UAAW,CAC3CH,CAAK,CAACI,KAAN,CAAc,EAAd,CACAxB,CAAa,CAAC,EAAD,CAAKE,CAAL,CAAWoB,CAAX,CAChB,CAHD,EAKAF,CAAK,CAACG,gBAAN,CAAuB,OAAvB,CAAgCE,CAAQ,CAAC,UAAW,CAChDzB,CAAa,CAACoB,CAAK,CAACI,KAAP,CAActB,CAAd,CAAoBoB,CAApB,CAChB,CAFuC,CAErC,GAFqC,CAAxC,CAGH,CApHH,CA4HMI,CAAU,CAAG,SAASxB,CAAT,CAAe,CAC5B,GAAIoB,CAAAA,CAAU,CAAGpB,CAAI,CAACE,aAAL,CAAmB7B,CAAS,CAAC8B,MAAV,CAAiBP,OAApC,CAAjB,CACAE,CAAa,CAAC,EAAD,CAAKE,CAAL,CAAWoB,CAAX,CAChB,CA/HH,CA6IMG,CAAQ,CAAG,SAASE,CAAT,CAAeC,CAAf,CAAqBC,CAArB,CAAgC,CAC3C,GAAIC,CAAAA,CAAJ,CACA,MAAO,WAAW,IACVC,CAAAA,CAAO,CAAG,IADA,CAEVrB,CAAI,CAAGsB,SAFG,CASVC,CAAO,CAAGJ,CAAS,EAAI,CAACC,CATd,CAUdI,YAAY,CAACJ,CAAD,CAAZ,CACAA,CAAO,CAAGK,UAAU,CARR,QAARC,CAAAA,KAAQ,EAAW,CACnBN,CAAO,CAAG,IAAV,CACA,GAAI,CAACD,CAAL,CAAgB,CACZF,CAAI,CAACU,KAAL,CAAWN,CAAX,CAAoBrB,CAApB,CACH,CACJ,CAGmB,CAAQkB,CAAR,CAApB,CACA,GAAIK,CAAJ,CAAa,CACTN,CAAI,CAACU,KAAL,CAAWN,CAAX,CAAoBrB,CAApB,CACH,CACJ,CACJ,CA/JH,CAgKE,MAAO,CACH4B,IAAI,CArJG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAyB,CAChC9D,CAAQ,CAAG8D,CAAX,CACA,GAAIrC,CAAAA,CAAI,CAAGlB,QAAQ,CAACoB,aAAT,CAAuB7B,CAAS,CAAC8B,MAAV,CAAiBmC,UAAxC,CAAX,CACArB,CAAsB,CAACjB,CAAD,CAAtB,CACAwB,CAAU,CAACxB,CAAD,CACb,CA+IM,CAGV,CA7KK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * When returning to Moodle let the user select which course to add the resource to.\n *\n * @module     tool_moodlenet/select_page\n * @package    tool_moodlenet\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine([\n    'core/ajax',\n    'core/templates',\n    'tool_moodlenet/selectors',\n    'core/notification'\n], function(\n    Ajax,\n    Templates,\n    Selectors,\n    Notification\n) {\n    /**\n     * @var {string} The id corresponding to the import.\n     */\n    var importId;\n\n    /**\n     * Set up the page.\n     *\n     * @method init\n     * @param {string} importIdString the string ID of the import.\n     */\n    var init = function(importIdString) {\n        importId = importIdString;\n        var page = document.querySelector(Selectors.region.selectPage);\n        registerListenerEvents(page);\n        addCourses(page);\n    };\n\n    /**\n     * Renders the 'no-courses' template.\n     *\n     * @param {HTMLElement} areaReplace the DOM node to replace.\n     * @returns {Promise}\n     */\n    var renderNoCourses = function(areaReplace) {\n        return Templates.renderPix('courses', 'tool_moodlenet').then(function(img) {\n            return img;\n        }).then(function(img) {\n            var temp = document.createElement('div');\n            temp.innerHTML = img.trim();\n            return Templates.render('core_course/no-courses', {\n                nocoursesimg: temp.firstChild.src\n            });\n        }).then(function(html, js) {\n            Templates.replaceNodeContents(areaReplace, html, js);\n            areaReplace.classList.add('mx-auto');\n            areaReplace.classList.add('w-25');\n            return;\n        });\n    };\n\n    /**\n     * Render the course cards for those supplied courses.\n     *\n     * @param {HTMLElement} areaReplace the DOM node to replace.\n     * @param {Array<courses>} courses the courses to render.\n     * @returns {Promise}\n     */\n    var renderCourses = function(areaReplace, courses) {\n        return Templates.render('tool_moodlenet/view-cards', {\n            courses: courses\n        }).then(function(html, js) {\n            Templates.replaceNodeContents(areaReplace, html, js);\n            areaReplace.classList.remove('mx-auto');\n            areaReplace.classList.remove('w-25');\n            return;\n        });\n    };\n\n    /**\n     * For a given input, the page & what to replace fetch courses and manage icons too.\n     *\n     * @method searchCourses\n     * @param {string} inputValue What to search for\n     * @param {HTMLElement} page The whole page element for our page\n     * @param {HTMLElement} areaReplace The Element to replace the contents of\n     */\n    var searchCourses = function(inputValue, page, areaReplace) {\n        var searchIcon = page.querySelector(Selectors.region.searchIcon);\n        var clearIcon = page.querySelector(Selectors.region.clearIcon);\n\n        if (inputValue !== '') {\n            searchIcon.classList.add('d-none');\n            clearIcon.parentElement.classList.remove('d-none');\n        } else {\n            searchIcon.classList.remove('d-none');\n            clearIcon.parentElement.classList.add('d-none');\n        }\n        var args = {\n            searchvalue: inputValue,\n        };\n        Ajax.call([{\n            methodname: 'tool_moodlenet_search_courses',\n            args: args\n        }])[0].then(function(result) {\n            if (result.courses.length === 0) {\n                return renderNoCourses(areaReplace);\n            } else {\n                // Add the importId to the course link\n                result.courses.forEach(function(course) {\n                    course.viewurl += '&id=' + importId;\n                });\n                return renderCourses(areaReplace, result.courses);\n            }\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Add the event listeners to our page.\n     *\n     * @method registerListenerEvents\n     * @param {HTMLElement} page The whole page element for our page\n     */\n    var registerListenerEvents = function(page) {\n        var input = page.querySelector(Selectors.region.searchInput);\n        var courseArea = page.querySelector(Selectors.region.courses);\n        var clearIcon = page.querySelector(Selectors.region.clearIcon);\n        clearIcon.addEventListener('click', function() {\n            input.value = '';\n            searchCourses('', page, courseArea);\n        });\n\n        input.addEventListener('input', debounce(function() {\n            searchCourses(input.value, page, courseArea);\n        }, 300));\n    };\n\n    /**\n     * Fetch the courses to show the user. We use the same WS structure & template as the search for consistency.\n     *\n     * @method addCourses\n     * @param {HTMLElement} page The whole page element for our course page\n     */\n    var addCourses = function(page) {\n        var courseArea = page.querySelector(Selectors.region.courses);\n        searchCourses('', page, courseArea);\n    };\n\n    /**\n     * Define our own debounce function as Moodle 3.7 does not have it.\n     *\n     * @method debounce\n     * @from underscore.js\n     * @copyright 2009-2020 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n     * @licence MIT\n     * @param {function} func The function we want to keep calling\n     * @param {number} wait Our timeout\n     * @param {boolean} immediate Do we want to apply the function immediately\n     * @return {function}\n     */\n    var debounce = function(func, wait, immediate) {\n        var timeout;\n        return function() {\n            var context = this;\n            var args = arguments;\n            var later = function() {\n                timeout = null;\n                if (!immediate) {\n                    func.apply(context, args);\n                }\n            };\n            var callNow = immediate && !timeout;\n            clearTimeout(timeout);\n            timeout = setTimeout(later, wait);\n            if (callNow) {\n                func.apply(context, args);\n            }\n        };\n    };\n    return {\n        init: init,\n    };\n});\n"],"file":"select_page.min.js"}
\ No newline at end of file
+{"version":3,"file":"select_page.min.js","sources":["../src/select_page.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * When returning to Moodle let the user select which course to add the resource to.\n *\n * @module     tool_moodlenet/select_page\n * @package    tool_moodlenet\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine([\n    'core/ajax',\n    'core/templates',\n    'tool_moodlenet/selectors',\n    'core/notification'\n], function(\n    Ajax,\n    Templates,\n    Selectors,\n    Notification\n) {\n    /**\n     * @var {string} The id corresponding to the import.\n     */\n    var importId;\n\n    /**\n     * Set up the page.\n     *\n     * @method init\n     * @param {string} importIdString the string ID of the import.\n     */\n    var init = function(importIdString) {\n        importId = importIdString;\n        var page = document.querySelector(Selectors.region.selectPage);\n        registerListenerEvents(page);\n        addCourses(page);\n    };\n\n    /**\n     * Renders the 'no-courses' template.\n     *\n     * @param {HTMLElement} areaReplace the DOM node to replace.\n     * @returns {Promise}\n     */\n    var renderNoCourses = function(areaReplace) {\n        return Templates.renderPix('courses', 'tool_moodlenet').then(function(img) {\n            return img;\n        }).then(function(img) {\n            var temp = document.createElement('div');\n            temp.innerHTML = img.trim();\n            return Templates.render('core_course/no-courses', {\n                nocoursesimg: temp.firstChild.src\n            });\n        }).then(function(html, js) {\n            Templates.replaceNodeContents(areaReplace, html, js);\n            areaReplace.classList.add('mx-auto');\n            areaReplace.classList.add('w-25');\n            return;\n        });\n    };\n\n    /**\n     * Render the course cards for those supplied courses.\n     *\n     * @param {HTMLElement} areaReplace the DOM node to replace.\n     * @param {Array<courses>} courses the courses to render.\n     * @returns {Promise}\n     */\n    var renderCourses = function(areaReplace, courses) {\n        return Templates.render('tool_moodlenet/view-cards', {\n            courses: courses\n        }).then(function(html, js) {\n            Templates.replaceNodeContents(areaReplace, html, js);\n            areaReplace.classList.remove('mx-auto');\n            areaReplace.classList.remove('w-25');\n            return;\n        });\n    };\n\n    /**\n     * For a given input, the page & what to replace fetch courses and manage icons too.\n     *\n     * @method searchCourses\n     * @param {string} inputValue What to search for\n     * @param {HTMLElement} page The whole page element for our page\n     * @param {HTMLElement} areaReplace The Element to replace the contents of\n     */\n    var searchCourses = function(inputValue, page, areaReplace) {\n        var searchIcon = page.querySelector(Selectors.region.searchIcon);\n        var clearIcon = page.querySelector(Selectors.region.clearIcon);\n\n        if (inputValue !== '') {\n            searchIcon.classList.add('d-none');\n            clearIcon.parentElement.classList.remove('d-none');\n        } else {\n            searchIcon.classList.remove('d-none');\n            clearIcon.parentElement.classList.add('d-none');\n        }\n        var args = {\n            searchvalue: inputValue,\n        };\n        Ajax.call([{\n            methodname: 'tool_moodlenet_search_courses',\n            args: args\n        }])[0].then(function(result) {\n            if (result.courses.length === 0) {\n                return renderNoCourses(areaReplace);\n            } else {\n                // Add the importId to the course link\n                result.courses.forEach(function(course) {\n                    course.viewurl += '&id=' + importId;\n                });\n                return renderCourses(areaReplace, result.courses);\n            }\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Add the event listeners to our page.\n     *\n     * @method registerListenerEvents\n     * @param {HTMLElement} page The whole page element for our page\n     */\n    var registerListenerEvents = function(page) {\n        var input = page.querySelector(Selectors.region.searchInput);\n        var courseArea = page.querySelector(Selectors.region.courses);\n        var clearIcon = page.querySelector(Selectors.region.clearIcon);\n        clearIcon.addEventListener('click', function() {\n            input.value = '';\n            searchCourses('', page, courseArea);\n        });\n\n        input.addEventListener('input', debounce(function() {\n            searchCourses(input.value, page, courseArea);\n        }, 300));\n    };\n\n    /**\n     * Fetch the courses to show the user. We use the same WS structure & template as the search for consistency.\n     *\n     * @method addCourses\n     * @param {HTMLElement} page The whole page element for our course page\n     */\n    var addCourses = function(page) {\n        var courseArea = page.querySelector(Selectors.region.courses);\n        searchCourses('', page, courseArea);\n    };\n\n    /**\n     * Define our own debounce function as Moodle 3.7 does not have it.\n     *\n     * @method debounce\n     * @from underscore.js\n     * @copyright 2009-2020 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors\n     * @licence MIT\n     * @param {function} func The function we want to keep calling\n     * @param {number} wait Our timeout\n     * @param {boolean} immediate Do we want to apply the function immediately\n     * @return {function}\n     */\n    var debounce = function(func, wait, immediate) {\n        var timeout;\n        return function() {\n            var context = this;\n            var args = arguments;\n            var later = function() {\n                timeout = null;\n                if (!immediate) {\n                    func.apply(context, args);\n                }\n            };\n            var callNow = immediate && !timeout;\n            clearTimeout(timeout);\n            timeout = setTimeout(later, wait);\n            if (callNow) {\n                func.apply(context, args);\n            }\n        };\n    };\n    return {\n        init: init,\n    };\n});\n"],"names":["define","Ajax","Templates","Selectors","Notification","importId","searchCourses","inputValue","page","areaReplace","searchIcon","querySelector","region","clearIcon","classList","add","parentElement","remove","args","searchvalue","call","methodname","then","result","courses","length","renderPix","img","temp","document","createElement","innerHTML","trim","render","nocoursesimg","firstChild","src","html","js","replaceNodeContents","renderNoCourses","forEach","course","viewurl","renderCourses","catch","exception","registerListenerEvents","input","searchInput","courseArea","addEventListener","value","debounce","addCourses","func","wait","immediate","timeout","context","this","arguments","later","apply","callNow","clearTimeout","setTimeout","init","importIdString","selectPage"],"mappings":";;;;;;;;AAwBAA,oCAAO,CACH,YACA,iBACA,2BACA,sBACD,SACCC,KACAC,UACAC,UACAC,kBAKIC,SAgEAC,cAAgB,SAASC,WAAYC,KAAMC,iBACvCC,WAAaF,KAAKG,cAAcR,UAAUS,OAAOF,YACjDG,UAAYL,KAAKG,cAAcR,UAAUS,OAAOC,WAEjC,KAAfN,YACAG,WAAWI,UAAUC,IAAI,UACzBF,UAAUG,cAAcF,UAAUG,OAAO,YAEzCP,WAAWI,UAAUG,OAAO,UAC5BJ,UAAUG,cAAcF,UAAUC,IAAI,eAEtCG,KAAO,CACPC,YAAaZ,YAEjBN,KAAKmB,KAAK,CAAC,CACPC,WAAY,gCACZH,KAAMA,QACN,GAAGI,MAAK,SAASC,eACa,IAA1BA,OAAOC,QAAQC,OA7DL,SAAShB,oBACpBP,UAAUwB,UAAU,UAAW,kBAAkBJ,MAAK,SAASK,YAC3DA,OACRL,MAAK,SAASK,SACTC,KAAOC,SAASC,cAAc,cAClCF,KAAKG,UAAYJ,IAAIK,OACd9B,UAAU+B,OAAO,yBAA0B,CAC9CC,aAAcN,KAAKO,WAAWC,SAEnCd,MAAK,SAASe,KAAMC,IACnBpC,UAAUqC,oBAAoB9B,YAAa4B,KAAMC,IACjD7B,YAAYK,UAAUC,IAAI,WAC1BN,YAAYK,UAAUC,IAAI,WAkDfyB,CAAgB/B,cAGvBc,OAAOC,QAAQiB,SAAQ,SAASC,QAC5BA,OAAOC,SAAW,OAAStC,YA1CvB,SAASI,YAAae,gBAC/BtB,UAAU+B,OAAO,4BAA6B,CACjDT,QAASA,UACVF,MAAK,SAASe,KAAMC,IACnBpC,UAAUqC,oBAAoB9B,YAAa4B,KAAMC,IACjD7B,YAAYK,UAAUG,OAAO,WAC7BR,YAAYK,UAAUG,OAAO,WAsClB2B,CAAcnC,YAAac,OAAOC,aAE9CqB,MAAMzC,aAAa0C,YAStBC,uBAAyB,SAASvC,UAC9BwC,MAAQxC,KAAKG,cAAcR,UAAUS,OAAOqC,aAC5CC,WAAa1C,KAAKG,cAAcR,UAAUS,OAAOY,SACrChB,KAAKG,cAAcR,UAAUS,OAAOC,WAC1CsC,iBAAiB,SAAS,WAChCH,MAAMI,MAAQ,GACd9C,cAAc,GAAIE,KAAM0C,eAG5BF,MAAMG,iBAAiB,QAASE,UAAS,WACrC/C,cAAc0C,MAAMI,MAAO5C,KAAM0C,cAClC,OASHI,WAAa,SAAS9C,UAClB0C,WAAa1C,KAAKG,cAAcR,UAAUS,OAAOY,SACrDlB,cAAc,GAAIE,KAAM0C,aAexBG,SAAW,SAASE,KAAMC,KAAMC,eAC5BC,eACG,eACCC,QAAUC,KACV1C,KAAO2C,UACPC,MAAQ,WACRJ,QAAU,KACLD,WACDF,KAAKQ,MAAMJ,QAASzC,OAGxB8C,QAAUP,YAAcC,QAC5BO,aAAaP,SACbA,QAAUQ,WAAWJ,MAAON,MACxBQ,SACAT,KAAKQ,MAAMJ,QAASzC,cAIzB,CACHiD,KArJO,SAASC,gBAChB/D,SAAW+D,mBACP5D,KAAOqB,SAASlB,cAAcR,UAAUS,OAAOyD,YACnDtB,uBAAuBvC,MACvB8C,WAAW9C"}
\ No newline at end of file
diff --git a/admin/tool/moodlenet/amd/build/selectors.min.js b/admin/tool/moodlenet/amd/build/selectors.min.js
index b1db64f13e2..9a838faf404 100644
--- a/admin/tool/moodlenet/amd/build/selectors.min.js
+++ b/admin/tool/moodlenet/amd/build/selectors.min.js
@@ -1,2 +1,11 @@
-define ("tool_moodlenet/selectors",[],function(){return{action:{browse:"[data-action=\"browse\"]",submit:"[data-action=\"submit\"]",showMoodleNet:"[data-action=\"show-moodlenet\"]",closeOption:"[data-action=\"close-chooser-option-summary\"]"},region:{clearIcon:"[data-region=\"clear-icon\"]",courses:"[data-region=\"mnet-courses\"]",instancePage:"[data-region=\"moodle-net\"]",searchInput:"[data-region=\"search-input\"]",searchIcon:"[data-region=\"search-icon\"]",selectPage:"[data-region=\"moodle-net-select\"]",spinner:"[data-region=\"spinner\"]",validationArea:"[data-region=\"validation-area\"]",carousel:"[data-region=\"carousel\"]",moodleNet:"[data-region=\"pluginCarousel\"]"}}});
-//# sourceMappingURL=selectors.min.js.map
+/**
+ * Define all of the selectors we will be using within MoodleNet plugin.
+ *
+ * @module     tool_moodlenet/selectors
+ * @package    tool_moodlenet
+ * @copyright  2020 Mathew May <mathew.solutions>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_moodlenet/selectors",[],(function(){return{action:{browse:'[data-action="browse"]',submit:'[data-action="submit"]',showMoodleNet:'[data-action="show-moodlenet"]',closeOption:'[data-action="close-chooser-option-summary"]'},region:{clearIcon:'[data-region="clear-icon"]',courses:'[data-region="mnet-courses"]',instancePage:'[data-region="moodle-net"]',searchInput:'[data-region="search-input"]',searchIcon:'[data-region="search-icon"]',selectPage:'[data-region="moodle-net-select"]',spinner:'[data-region="spinner"]',validationArea:'[data-region="validation-area"]',carousel:'[data-region="carousel"]',moodleNet:'[data-region="pluginCarousel"]'}}}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/admin/tool/moodlenet/amd/build/selectors.min.js.map b/admin/tool/moodlenet/amd/build/selectors.min.js.map
index 8ef6f4bba46..587e94a3dca 100644
--- a/admin/tool/moodlenet/amd/build/selectors.min.js.map
+++ b/admin/tool/moodlenet/amd/build/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/selectors.js"],"names":["define","action","browse","submit","showMoodleNet","closeOption","region","clearIcon","courses","instancePage","searchInput","searchIcon","selectPage","spinner","validationArea","carousel","moodleNet"],"mappings":"AAuBAA,OAAM,4BAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,MAAM,CAAE,CACJC,MAAM,CAAE,0BADJ,CAEJC,MAAM,CAAE,0BAFJ,CAGJC,aAAa,CAAE,kCAHX,CAIJC,WAAW,CAAE,gDAJT,CADL,CAOHC,MAAM,CAAE,CACJC,SAAS,CAAE,8BADP,CAEJC,OAAO,CAAE,gCAFL,CAGJC,YAAY,CAAE,8BAHV,CAIJC,WAAW,CAAE,gCAJT,CAKJC,UAAU,CAAE,+BALR,CAMJC,UAAU,CAAE,qCANR,CAOJC,OAAO,CAAE,2BAPL,CAQJC,cAAc,CAAE,mCARZ,CASJC,QAAQ,CAAE,4BATN,CAUJC,SAAS,CAAE,kCAVP,CAPL,CAoBV,CArBK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using within MoodleNet plugin.\n *\n * @module     tool_moodlenet/selectors\n * @package    tool_moodlenet\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        action: {\n            browse: '[data-action=\"browse\"]',\n            submit: '[data-action=\"submit\"]',\n            showMoodleNet: '[data-action=\"show-moodlenet\"]',\n            closeOption: '[data-action=\"close-chooser-option-summary\"]',\n        },\n        region: {\n            clearIcon: '[data-region=\"clear-icon\"]',\n            courses: '[data-region=\"mnet-courses\"]',\n            instancePage: '[data-region=\"moodle-net\"]',\n            searchInput: '[data-region=\"search-input\"]',\n            searchIcon: '[data-region=\"search-icon\"]',\n            selectPage: '[data-region=\"moodle-net-select\"]',\n            spinner: '[data-region=\"spinner\"]',\n            validationArea: '[data-region=\"validation-area\"]',\n            carousel: '[data-region=\"carousel\"]',\n            moodleNet: '[data-region=\"pluginCarousel\"]',\n        },\n    };\n});\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../src/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using within MoodleNet plugin.\n *\n * @module     tool_moodlenet/selectors\n * @package    tool_moodlenet\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        action: {\n            browse: '[data-action=\"browse\"]',\n            submit: '[data-action=\"submit\"]',\n            showMoodleNet: '[data-action=\"show-moodlenet\"]',\n            closeOption: '[data-action=\"close-chooser-option-summary\"]',\n        },\n        region: {\n            clearIcon: '[data-region=\"clear-icon\"]',\n            courses: '[data-region=\"mnet-courses\"]',\n            instancePage: '[data-region=\"moodle-net\"]',\n            searchInput: '[data-region=\"search-input\"]',\n            searchIcon: '[data-region=\"search-icon\"]',\n            selectPage: '[data-region=\"moodle-net-select\"]',\n            spinner: '[data-region=\"spinner\"]',\n            validationArea: '[data-region=\"validation-area\"]',\n            carousel: '[data-region=\"carousel\"]',\n            moodleNet: '[data-region=\"pluginCarousel\"]',\n        },\n    };\n});\n"],"names":["define","action","browse","submit","showMoodleNet","closeOption","region","clearIcon","courses","instancePage","searchInput","searchIcon","selectPage","spinner","validationArea","carousel","moodleNet"],"mappings":";;;;;;;;AAuBAA,kCAAO,IAAI,iBACA,CACHC,OAAQ,CACJC,OAAQ,yBACRC,OAAQ,yBACRC,cAAe,iCACfC,YAAa,gDAEjBC,OAAQ,CACJC,UAAW,6BACXC,QAAS,+BACTC,aAAc,6BACdC,YAAa,+BACbC,WAAY,8BACZC,WAAY,oCACZC,QAAS,0BACTC,eAAgB,kCAChBC,SAAU,2BACVC,UAAW"}
\ No newline at end of file
diff --git a/admin/tool/moodlenet/amd/build/validator.min.js b/admin/tool/moodlenet/amd/build/validator.min.js
index 1c4d02ae503..05547a1b220 100644
--- a/admin/tool/moodlenet/amd/build/validator.min.js
+++ b/admin/tool/moodlenet/amd/build/validator.min.js
@@ -1,2 +1,11 @@
-define ("tool_moodlenet/validator",["jquery","core/ajax","core/str","core/notification"],function(a,b,c,d){return{validation:function(e){var f=e.value;if(""===f||!f.includes("@")){a.when(c.get_string("profilevalidationerror","tool_moodlenet")).then(function(a){return Promise.reject().catch(function(){return{result:!1,message:a[0]}})}).fail(d.exception)}return b.call([{methodname:"tool_moodlenet_verify_webfinger",args:{profileurl:f,course:e.dataset.courseid,section:e.dataset.sectionid}}])[0].then(function(a){return a}).catch()}}});
-//# sourceMappingURL=validator.min.js.map
+/**
+ * Our validator that splits the user's input then fires off to a webservice
+ *
+ * @module     tool_moodlenet/validator
+ * @package    tool_moodlenet
+ * @copyright  2020 Mathew May <mathew.solutions>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_moodlenet/validator",["jquery","core/ajax","core/str","core/notification"],(function($,Ajax,Str,Notification){return{validation:function(inputElement){var inputValue=inputElement.value;return""!==inputValue&&inputValue.includes("@")||$.when(Str.get_string("profilevalidationerror","tool_moodlenet")).then((function(strings){return Promise.reject().catch((function(){return{result:!1,message:strings[0]}}))})).fail(Notification.exception),Ajax.call([{methodname:"tool_moodlenet_verify_webfinger",args:{profileurl:inputValue,course:inputElement.dataset.courseid,section:inputElement.dataset.sectionid}}])[0].then((function(result){return result})).catch()}}}));
+
+//# sourceMappingURL=validator.min.js.map
\ No newline at end of file
diff --git a/admin/tool/moodlenet/amd/build/validator.min.js.map b/admin/tool/moodlenet/amd/build/validator.min.js.map
index 34c0c5b8fe0..6ffa7b46633 100644
--- a/admin/tool/moodlenet/amd/build/validator.min.js.map
+++ b/admin/tool/moodlenet/amd/build/validator.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/validator.js"],"names":["define","$","Ajax","Str","Notification","validation","inputElement","inputValue","value","includes","when","get_string","then","strings","Promise","reject","catch","result","message","fail","exception","call","methodname","args","profileurl","course","dataset","courseid","section","sectionid"],"mappings":"AAuBAA,OAAM,4BAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,UAAxB,CAAoC,mBAApC,CAAD,CAA2D,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAuBC,CAAvB,CAAqC,CAgClG,MAAO,CACHC,UAAU,CAzBG,SAAoBC,CAApB,CAAkC,CAC/C,GAAIC,CAAAA,CAAU,CAAGD,CAAY,CAACE,KAA9B,CAGA,GAAmB,EAAf,GAAAD,CAAU,EAAW,CAACA,CAAU,CAACE,QAAX,CAAoB,GAApB,CAA1B,CAAoD,CAEhDR,CAAC,CAACS,IAAF,CAAOP,CAAG,CAACQ,UAAJ,CAAe,wBAAf,CAAyC,gBAAzC,CAAP,EAAmEC,IAAnE,CAAwE,SAASC,CAAT,CAAkB,CACtF,MAAOC,CAAAA,OAAO,CAACC,MAAR,GAAiBC,KAAjB,CAAuB,UAAW,CACrC,MAAO,CAACC,MAAM,GAAP,CAAgBC,OAAO,CAAEL,CAAO,CAAC,CAAD,CAAhC,CACV,CAFM,CAGV,CAJD,EAIGM,IAJH,CAIQf,CAAY,CAACgB,SAJrB,CAKH,CAED,MAAOlB,CAAAA,CAAI,CAACmB,IAAL,CAAU,CAAC,CACdC,UAAU,CAAE,iCADE,CAEdC,IAAI,CAAE,CACFC,UAAU,CAAEjB,CADV,CAEFkB,MAAM,CAAEnB,CAAY,CAACoB,OAAb,CAAqBC,QAF3B,CAGFC,OAAO,CAAEtB,CAAY,CAACoB,OAAb,CAAqBG,SAH5B,CAFQ,CAAD,CAAV,EAOH,CAPG,EAOAjB,IAPA,CAOK,SAASK,CAAT,CAAiB,CACzB,MAAOA,CAAAA,CACV,CATM,EASJD,KATI,EAUV,CACM,CAGV,CAnCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Our validator that splits the user's input then fires off to a webservice\n *\n * @module     tool_moodlenet/validator\n * @package    tool_moodlenet\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/notification'], function($, Ajax, Str, Notification) {\n    /**\n     * Handle form validation\n     *\n     * @method validation\n     * @param {HTMLElement} inputElement The element the user entered text into.\n     * @return {Promise} Was the users' entry a valid profile URL?\n     */\n    var validation = function validation(inputElement) {\n        var inputValue = inputElement.value;\n\n        // They didn't submit anything or they gave us a simple string that we can't do anything with.\n        if (inputValue === \"\" || !inputValue.includes(\"@\")) {\n            // Create a promise and immediately reject it.\n            $.when(Str.get_string('profilevalidationerror', 'tool_moodlenet')).then(function(strings) {\n                return Promise.reject().catch(function() {\n                    return {result: false, message: strings[0]};\n                });\n            }).fail(Notification.exception);\n        }\n\n        return Ajax.call([{\n            methodname: 'tool_moodlenet_verify_webfinger',\n            args: {\n                profileurl: inputValue,\n                course: inputElement.dataset.courseid,\n                section: inputElement.dataset.sectionid\n            }\n        }])[0].then(function(result) {\n            return result;\n        }).catch();\n    };\n    return {\n        validation: validation,\n    };\n});\n"],"file":"validator.min.js"}
\ No newline at end of file
+{"version":3,"file":"validator.min.js","sources":["../src/validator.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Our validator that splits the user's input then fires off to a webservice\n *\n * @module     tool_moodlenet/validator\n * @package    tool_moodlenet\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/notification'], function($, Ajax, Str, Notification) {\n    /**\n     * Handle form validation\n     *\n     * @method validation\n     * @param {HTMLElement} inputElement The element the user entered text into.\n     * @return {Promise} Was the users' entry a valid profile URL?\n     */\n    var validation = function validation(inputElement) {\n        var inputValue = inputElement.value;\n\n        // They didn't submit anything or they gave us a simple string that we can't do anything with.\n        if (inputValue === \"\" || !inputValue.includes(\"@\")) {\n            // Create a promise and immediately reject it.\n            $.when(Str.get_string('profilevalidationerror', 'tool_moodlenet')).then(function(strings) {\n                return Promise.reject().catch(function() {\n                    return {result: false, message: strings[0]};\n                });\n            }).fail(Notification.exception);\n        }\n\n        return Ajax.call([{\n            methodname: 'tool_moodlenet_verify_webfinger',\n            args: {\n                profileurl: inputValue,\n                course: inputElement.dataset.courseid,\n                section: inputElement.dataset.sectionid\n            }\n        }])[0].then(function(result) {\n            return result;\n        }).catch();\n    };\n    return {\n        validation: validation,\n    };\n});\n"],"names":["define","$","Ajax","Str","Notification","validation","inputElement","inputValue","value","includes","when","get_string","then","strings","Promise","reject","catch","result","message","fail","exception","call","methodname","args","profileurl","course","dataset","courseid","section","sectionid"],"mappings":";;;;;;;;AAuBAA,kCAAO,CAAC,SAAU,YAAa,WAAY,sBAAsB,SAASC,EAAGC,KAAMC,IAAKC,oBAgC7E,CACHC,WAzBa,SAAoBC,kBAC7BC,WAAaD,aAAaE,YAGX,KAAfD,YAAsBA,WAAWE,SAAS,MAE1CR,EAAES,KAAKP,IAAIQ,WAAW,yBAA0B,mBAAmBC,MAAK,SAASC,gBACtEC,QAAQC,SAASC,OAAM,iBACnB,CAACC,QAAQ,EAAOC,QAASL,QAAQ,UAE7CM,KAAKf,aAAagB,WAGlBlB,KAAKmB,KAAK,CAAC,CACdC,WAAY,kCACZC,KAAM,CACFC,WAAYjB,WACZkB,OAAQnB,aAAaoB,QAAQC,SAC7BC,QAAStB,aAAaoB,QAAQG,cAElC,GAAGjB,MAAK,SAASK,eACVA,UACRD"}
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/acceptances_filter.min.js b/admin/tool/policy/amd/build/acceptances_filter.min.js
index 0cb2282aecf..075bf892c4b 100644
--- a/admin/tool/policy/amd/build/acceptances_filter.min.js
+++ b/admin/tool/policy/amd/build/acceptances_filter.min.js
@@ -1,2 +1,11 @@
-define ("tool_policy/acceptances_filter",["jquery","core/form-autocomplete","core/str","core/notification"],function(a,b,c,d){var e={UNIFIED_FILTERS:"#unified-filters"},f=function init(){M.util.js_pending("acceptances_filter_datasource");c.get_strings([{key:"filterplaceholder",component:"tool_policy"},{key:"nofiltersapplied",component:"tool_policy"}]).done(function(a){var c=a[0],f=a[1];b.enhance(e.UNIFIED_FILTERS,!0,"tool_policy/acceptances_filter_datasource",c,!1,!0,f,!0).then(function(){M.util.js_complete("acceptances_filter_datasource")}).fail(d.exception)}).fail(d.exception);var f=a(e.UNIFIED_FILTERS).val();a(e.UNIFIED_FILTERS).on("change",function(){var b=a(this).val(),c=[],d=[],e=!1;a.each(b,function(a,b){var f=b.split(":",2);if(2!==f.length){d.push(b);return!0}var g=f[0],h=f[1];if("undefined"!=typeof c[g]){e=!0}c[g]=h;return!0});if(e){var g=[];for(var h in c){g.push(h+":"+c[h])}g=g.concat(d);a(this).val(g)}if(f.join(",")!=b.join(",")){this.form.submit()}})},g=function getForm(){return a(e.UNIFIED_FILTERS).closest("form")};return{init:function init(){f()},getForm:function getForm(){return g()}}});
-//# sourceMappingURL=acceptances_filter.min.js.map
+/**
+ * Unified filter page JS module for the course participants page.
+ *
+ * @module     tool_policy/acceptances_filter
+ * @package    tool_policy
+ * @copyright  2017 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_policy/acceptances_filter",["jquery","core/form-autocomplete","core/str","core/notification"],(function($,Autocomplete,Str,Notification){var SELECTORS_UNIFIED_FILTERS="#unified-filters";return{init:function(){!function(){M.util.js_pending("acceptances_filter_datasource"),Str.get_strings([{key:"filterplaceholder",component:"tool_policy"},{key:"nofiltersapplied",component:"tool_policy"}]).done((function(langstrings){var placeholder=langstrings[0],noSelectionString=langstrings[1];Autocomplete.enhance(SELECTORS_UNIFIED_FILTERS,!0,"tool_policy/acceptances_filter_datasource",placeholder,!1,!0,noSelectionString,!0).then((function(){M.util.js_complete("acceptances_filter_datasource")})).fail(Notification.exception)})).fail(Notification.exception);var last=$(SELECTORS_UNIFIED_FILTERS).val();$(SELECTORS_UNIFIED_FILTERS).on("change",(function(){var current=$(this).val(),listoffilters=[],textfilters=[],updatedselectedfilters=!1;if($.each(current,(function(index,catoption){var catandoption=catoption.split(":",2);if(2!==catandoption.length)return textfilters.push(catoption),!0;var category=catandoption[0],option=catandoption[1];return void 0!==listoffilters[category]&&(updatedselectedfilters=!0),listoffilters[category]=option,!0})),updatedselectedfilters){var updatefilters=[];for(var category in listoffilters)updatefilters.push(category+":"+listoffilters[category]);updatefilters=updatefilters.concat(textfilters),$(this).val(updatefilters)}last.join(",")!=current.join(",")&&this.form.submit()}))}()},getForm:function(){return $(SELECTORS_UNIFIED_FILTERS).closest("form")}}}));
+
+//# sourceMappingURL=acceptances_filter.min.js.map
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/acceptances_filter.min.js.map b/admin/tool/policy/amd/build/acceptances_filter.min.js.map
index 85eb1b08e40..8ba36959b01 100644
--- a/admin/tool/policy/amd/build/acceptances_filter.min.js.map
+++ b/admin/tool/policy/amd/build/acceptances_filter.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Unified filter page JS module for the course participants page.\n *\n * @module     tool_policy/acceptances_filter\n * @package    tool_policy\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/form-autocomplete', 'core/str', 'core/notification'],\n    function($, Autocomplete, Str, Notification) {\n\n        /**\n         * Selectors.\n         *\n         * @access private\n         * @type {{UNIFIED_FILTERS: string}}\n         */\n        var SELECTORS = {\n            UNIFIED_FILTERS: '#unified-filters'\n        };\n\n        /**\n         * Init function.\n         *\n         * @method init\n         * @private\n         */\n        var init = function() {\n            var stringkeys = [{\n                key: 'filterplaceholder',\n                component: 'tool_policy'\n            }, {\n                key: 'nofiltersapplied',\n                component: 'tool_policy'\n            }];\n\n            M.util.js_pending('acceptances_filter_datasource');\n            Str.get_strings(stringkeys).done(function(langstrings) {\n                var placeholder = langstrings[0];\n                var noSelectionString = langstrings[1];\n                Autocomplete.enhance(SELECTORS.UNIFIED_FILTERS, true, 'tool_policy/acceptances_filter_datasource', placeholder,\n                    false, true, noSelectionString, true)\n                    .then(function() {\n                        M.util.js_complete('acceptances_filter_datasource');\n\n                        return;\n                    })\n                    .fail(Notification.exception);\n            }).fail(Notification.exception);\n\n            var last = $(SELECTORS.UNIFIED_FILTERS).val();\n            $(SELECTORS.UNIFIED_FILTERS).on('change', function() {\n                var current = $(this).val();\n                var listoffilters = [];\n                var textfilters = [];\n                var updatedselectedfilters = false;\n\n                $.each(current, function(index, catoption) {\n                    var catandoption = catoption.split(':', 2);\n                    if (catandoption.length !== 2) {\n                        textfilters.push(catoption);\n                        return true; // Text search filter.\n                    }\n\n                    var category = catandoption[0];\n                    var option = catandoption[1];\n\n                    // The last option (eg. 'Teacher') out of a category (eg. 'Role') in this loop is the one that was last\n                    // selected, so we want to use that if there are multiple options from the same category. Eg. The user\n                    // may have chosen to filter by the 'Student' role, then wanted to filter by the 'Teacher' role - the\n                    // last option in the category to be selected (in this case 'Teacher') will come last, so will overwrite\n                    // 'Student' (after this if). We want to let the JS know that the filters have been updated.\n                    if (typeof listoffilters[category] !== 'undefined') {\n                        updatedselectedfilters = true;\n                    }\n\n                    listoffilters[category] = option;\n                    return true;\n                });\n\n                // Check if we have something to remove from the list of filters.\n                if (updatedselectedfilters) {\n                    // Go through and put the list into something we can use to update the list of filters.\n                    var updatefilters = [];\n                    for (var category in listoffilters) {\n                        updatefilters.push(category + \":\" + listoffilters[category]);\n                    }\n                    updatefilters = updatefilters.concat(textfilters);\n                    $(this).val(updatefilters);\n                }\n\n                // Prevent form from submitting unnecessarily, eg. on blur when no filter is selected.\n                if (last.join(',') != current.join(',')) {\n                    this.form.submit();\n                }\n            });\n        };\n\n        /**\n         * Return the unified user filter form.\n         *\n         * @method getForm\n         * @return {DOMElement}\n         */\n        var getForm = function() {\n            return $(SELECTORS.UNIFIED_FILTERS).closest('form');\n        };\n\n        return /** @alias module:core/form-autocomplete */ {\n            /**\n             * Initialise the unified user filter.\n             *\n             * @method init\n             */\n            init: function() {\n                init();\n            },\n\n            /**\n             * Return the unified user filter form.\n             *\n             * @method getForm\n             * @return {DOMElement}\n             */\n            getForm: function() {\n                return getForm();\n            }\n        };\n    });\n"],"file":"acceptances_filter.min.js"}
\ No newline at end of file
+{"version":3,"file":"acceptances_filter.min.js","sources":["../src/acceptances_filter.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Unified filter page JS module for the course participants page.\n *\n * @module     tool_policy/acceptances_filter\n * @package    tool_policy\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/form-autocomplete', 'core/str', 'core/notification'],\n    function($, Autocomplete, Str, Notification) {\n\n        /**\n         * Selectors.\n         *\n         * @access private\n         * @type {{UNIFIED_FILTERS: string}}\n         */\n        var SELECTORS = {\n            UNIFIED_FILTERS: '#unified-filters'\n        };\n\n        /**\n         * Init function.\n         *\n         * @method init\n         * @private\n         */\n        var init = function() {\n            var stringkeys = [{\n                key: 'filterplaceholder',\n                component: 'tool_policy'\n            }, {\n                key: 'nofiltersapplied',\n                component: 'tool_policy'\n            }];\n\n            M.util.js_pending('acceptances_filter_datasource');\n            Str.get_strings(stringkeys).done(function(langstrings) {\n                var placeholder = langstrings[0];\n                var noSelectionString = langstrings[1];\n                Autocomplete.enhance(SELECTORS.UNIFIED_FILTERS, true, 'tool_policy/acceptances_filter_datasource', placeholder,\n                    false, true, noSelectionString, true)\n                    .then(function() {\n                        M.util.js_complete('acceptances_filter_datasource');\n\n                        return;\n                    })\n                    .fail(Notification.exception);\n            }).fail(Notification.exception);\n\n            var last = $(SELECTORS.UNIFIED_FILTERS).val();\n            $(SELECTORS.UNIFIED_FILTERS).on('change', function() {\n                var current = $(this).val();\n                var listoffilters = [];\n                var textfilters = [];\n                var updatedselectedfilters = false;\n\n                $.each(current, function(index, catoption) {\n                    var catandoption = catoption.split(':', 2);\n                    if (catandoption.length !== 2) {\n                        textfilters.push(catoption);\n                        return true; // Text search filter.\n                    }\n\n                    var category = catandoption[0];\n                    var option = catandoption[1];\n\n                    // The last option (eg. 'Teacher') out of a category (eg. 'Role') in this loop is the one that was last\n                    // selected, so we want to use that if there are multiple options from the same category. Eg. The user\n                    // may have chosen to filter by the 'Student' role, then wanted to filter by the 'Teacher' role - the\n                    // last option in the category to be selected (in this case 'Teacher') will come last, so will overwrite\n                    // 'Student' (after this if). We want to let the JS know that the filters have been updated.\n                    if (typeof listoffilters[category] !== 'undefined') {\n                        updatedselectedfilters = true;\n                    }\n\n                    listoffilters[category] = option;\n                    return true;\n                });\n\n                // Check if we have something to remove from the list of filters.\n                if (updatedselectedfilters) {\n                    // Go through and put the list into something we can use to update the list of filters.\n                    var updatefilters = [];\n                    for (var category in listoffilters) {\n                        updatefilters.push(category + \":\" + listoffilters[category]);\n                    }\n                    updatefilters = updatefilters.concat(textfilters);\n                    $(this).val(updatefilters);\n                }\n\n                // Prevent form from submitting unnecessarily, eg. on blur when no filter is selected.\n                if (last.join(',') != current.join(',')) {\n                    this.form.submit();\n                }\n            });\n        };\n\n        /**\n         * Return the unified user filter form.\n         *\n         * @method getForm\n         * @return {DOMElement}\n         */\n        var getForm = function() {\n            return $(SELECTORS.UNIFIED_FILTERS).closest('form');\n        };\n\n        return /** @alias module:core/form-autocomplete */ {\n            /**\n             * Initialise the unified user filter.\n             *\n             * @method init\n             */\n            init: function() {\n                init();\n            },\n\n            /**\n             * Return the unified user filter form.\n             *\n             * @method getForm\n             * @return {DOMElement}\n             */\n            getForm: function() {\n                return getForm();\n            }\n        };\n    });\n"],"names":["define","$","Autocomplete","Str","Notification","SELECTORS","init","M","util","js_pending","get_strings","key","component","done","langstrings","placeholder","noSelectionString","enhance","then","js_complete","fail","exception","last","val","on","current","this","listoffilters","textfilters","updatedselectedfilters","each","index","catoption","catandoption","split","length","push","category","option","updatefilters","concat","join","form","submit","getForm","closest"],"mappings":";;;;;;;;AAuBAA,wCAAO,CAAC,SAAU,yBAA0B,WAAY,sBACpD,SAASC,EAAGC,aAAcC,IAAKC,kBAQvBC,0BACiB,yBA0F8B,CAM/CC,KAAM,YAvFC,WASPC,EAAEC,KAAKC,WAAW,iCAClBN,IAAIO,YATa,CAAC,CACdC,IAAK,oBACLC,UAAW,eACZ,CACCD,IAAK,mBACLC,UAAW,iBAIaC,MAAK,SAASC,iBAClCC,YAAcD,YAAY,GAC1BE,kBAAoBF,YAAY,GACpCZ,aAAae,QAAQZ,2BAA2B,EAAM,4CAA6CU,aAC/F,GAAO,EAAMC,mBAAmB,GAC/BE,MAAK,WACFX,EAAEC,KAAKW,YAAY,oCAItBC,KAAKhB,aAAaiB,cACxBD,KAAKhB,aAAaiB,eAEjBC,KAAOrB,EAAEI,2BAA2BkB,MACxCtB,EAAEI,2BAA2BmB,GAAG,UAAU,eAClCC,QAAUxB,EAAEyB,MAAMH,MAClBI,cAAgB,GAChBC,YAAc,GACdC,wBAAyB,KAE7B5B,EAAE6B,KAAKL,SAAS,SAASM,MAAOC,eACxBC,aAAeD,UAAUE,MAAM,IAAK,MACZ,IAAxBD,aAAaE,cACbP,YAAYQ,KAAKJ,YACV,MAGPK,SAAWJ,aAAa,GACxBK,OAASL,aAAa,eAOa,IAA5BN,cAAcU,YACrBR,wBAAyB,GAG7BF,cAAcU,UAAYC,QACnB,KAIPT,uBAAwB,KAEpBU,cAAgB,OACf,IAAIF,YAAYV,cACjBY,cAAcH,KAAKC,SAAW,IAAMV,cAAcU,WAEtDE,cAAgBA,cAAcC,OAAOZ,aACrC3B,EAAEyB,MAAMH,IAAIgB,eAIZjB,KAAKmB,KAAK,MAAQhB,QAAQgB,KAAK,WAC1BC,KAAKC,YAsBdrC,IASJsC,QAAS,kBAnBF3C,EAAEI,2BAA2BwC,QAAQ"}
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diff --git a/admin/tool/policy/amd/build/acceptances_filter_datasource.min.js b/admin/tool/policy/amd/build/acceptances_filter_datasource.min.js
index 0a642f0c6b4..defb7a0b0a4 100644
--- a/admin/tool/policy/amd/build/acceptances_filter_datasource.min.js
+++ b/admin/tool/policy/amd/build/acceptances_filter_datasource.min.js
@@ -1,2 +1,12 @@
-define ("tool_policy/acceptances_filter_datasource",["jquery","core/ajax","core/notification"],function(a,b,c){return{list:function list(b,c){var d=[],e=a(b),f=a(b).data("originaloptionsjson"),g=e.val();a.each(f,function(b,e){if(""!==c.trim()&&-1===e.label.toLocaleLowerCase().indexOf(c.toLocaleLowerCase())){return!0}if(-1<a.inArray(e.value,g)){return!0}d.push(e);return!0});var h=new a.Deferred;h.resolve(d);return h.promise()},processResults:function processResults(b,c){var d=[];a.each(c,function(a,b){d.push({value:b.value,label:b.label})});return d},transport:function transport(a,b,d){this.list(a,b).then(d).catch(c.exception)}}});
-//# sourceMappingURL=acceptances_filter_datasource.min.js.map
+/**
+ * Datasource for the tool_policy/acceptances_filter.
+ *
+ * This module is compatible with core/form-autocomplete.
+ *
+ * @package    tool_policy
+ * @copyright  2017 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_policy/acceptances_filter_datasource",["jquery","core/ajax","core/notification"],(function($,Ajax,Notification){return{list:function(selector,query){var filteredOptions=[],el=$(selector),originalOptions=$(selector).data("originaloptionsjson"),selectedFilters=el.val();$.each(originalOptions,(function(index,option){return""!==query.trim()&&-1===option.label.toLocaleLowerCase().indexOf(query.toLocaleLowerCase())||$.inArray(option.value,selectedFilters)>-1||filteredOptions.push(option),!0}));var deferred=new $.Deferred;return deferred.resolve(filteredOptions),deferred.promise()},processResults:function(selector,results){var options=[];return $.each(results,(function(index,data){options.push({value:data.value,label:data.label})})),options},transport:function(selector,query,callback){this.list(selector,query).then(callback).catch(Notification.exception)}}}));
+
+//# sourceMappingURL=acceptances_filter_datasource.min.js.map
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/acceptances_filter_datasource.min.js.map b/admin/tool/policy/amd/build/acceptances_filter_datasource.min.js.map
index 4d246bc3c17..bab29dd6d41 100644
--- a/admin/tool/policy/amd/build/acceptances_filter_datasource.min.js.map
+++ b/admin/tool/policy/amd/build/acceptances_filter_datasource.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/acceptances_filter_datasource.js"],"names":["define","$","Ajax","Notification","list","selector","query","filteredOptions","el","originalOptions","data","selectedFilters","val","each","index","option","trim","label","toLocaleLowerCase","indexOf","inArray","value","push","deferred","Deferred","resolve","promise","processResults","results","options","transport","callback","then","catch","exception"],"mappings":"AAyBAA,OAAM,6CAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,mBAAxB,CAAD,CAA+C,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAgC,CAEjF,MAAsE,CAQlEC,IAAI,CAAE,cAASC,CAAT,CAAmBC,CAAnB,CAA0B,IACxBC,CAAAA,CAAe,CAAG,EADM,CAGxBC,CAAE,CAAGP,CAAC,CAACI,CAAD,CAHkB,CAIxBI,CAAe,CAAGR,CAAC,CAACI,CAAD,CAAD,CAAYK,IAAZ,CAAiB,qBAAjB,CAJM,CAKxBC,CAAe,CAAGH,CAAE,CAACI,GAAH,EALM,CAM5BX,CAAC,CAACY,IAAF,CAAOJ,CAAP,CAAwB,SAASK,CAAT,CAAgBC,CAAhB,CAAwB,CAE5C,GAAqB,EAAjB,GAAAT,CAAK,CAACU,IAAN,IAA+F,CAAC,CAAzE,GAAAD,CAAM,CAACE,KAAP,CAAaC,iBAAb,GAAiCC,OAAjC,CAAyCb,CAAK,CAACY,iBAAN,EAAzC,CAA3B,CAAuG,CACnG,QACH,CAED,GAA+C,CAAC,CAA5C,CAAAjB,CAAC,CAACmB,OAAF,CAAUL,CAAM,CAACM,KAAjB,CAAwBV,CAAxB,CAAJ,CAAmD,CAC/C,QACH,CAEDJ,CAAe,CAACe,IAAhB,CAAqBP,CAArB,EACA,QACH,CAZD,EAcA,GAAIQ,CAAAA,CAAQ,CAAG,GAAItB,CAAAA,CAAC,CAACuB,QAArB,CACAD,CAAQ,CAACE,OAAT,CAAiBlB,CAAjB,EAEA,MAAOgB,CAAAA,CAAQ,CAACG,OAAT,EACV,CAhCiE,CAyClEC,cAAc,CAAE,wBAAStB,CAAT,CAAmBuB,CAAnB,CAA4B,CACxC,GAAIC,CAAAA,CAAO,CAAG,EAAd,CACA5B,CAAC,CAACY,IAAF,CAAOe,CAAP,CAAgB,SAASd,CAAT,CAAgBJ,CAAhB,CAAsB,CAClCmB,CAAO,CAACP,IAAR,CAAa,CACTD,KAAK,CAAEX,CAAI,CAACW,KADH,CAETJ,KAAK,CAAEP,CAAI,CAACO,KAFH,CAAb,CAIH,CALD,EAMA,MAAOY,CAAAA,CACV,CAlDiE,CA4DlEC,SAAS,CAAE,mBAASzB,CAAT,CAAmBC,CAAnB,CAA0ByB,CAA1B,CAAoC,CAC3C,KAAK3B,IAAL,CAAUC,CAAV,CAAoBC,CAApB,EAA2B0B,IAA3B,CAAgCD,CAAhC,EAA0CE,KAA1C,CAAgD9B,CAAY,CAAC+B,SAA7D,CACH,CA9DiE,CAiEzE,CAnEK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Datasource for the tool_policy/acceptances_filter.\n *\n * This module is compatible with core/form-autocomplete.\n *\n * @package    tool_policy\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/notification'], function($, Ajax, Notification) {\n\n    return /** @alias module:tool_policy/acceptances_filter_datasource */ {\n        /**\n         * List filter options.\n         *\n         * @param {String} selector The select element selector.\n         * @param {String} query The query string.\n         * @return {Promise}\n         */\n        list: function(selector, query) {\n            var filteredOptions = [];\n\n            var el = $(selector);\n            var originalOptions = $(selector).data('originaloptionsjson');\n            var selectedFilters = el.val();\n            $.each(originalOptions, function(index, option) {\n                // Skip option if it does not contain the query string.\n                if (query.trim() !== '' && option.label.toLocaleLowerCase().indexOf(query.toLocaleLowerCase()) === -1) {\n                    return true;\n                }\n                // Skip filters that have already been selected.\n                if ($.inArray(option.value, selectedFilters) > -1) {\n                    return true;\n                }\n\n                filteredOptions.push(option);\n                return true;\n            });\n\n            var deferred = new $.Deferred();\n            deferred.resolve(filteredOptions);\n\n            return deferred.promise();\n        },\n\n        /**\n         * Process the results for auto complete elements.\n         *\n         * @param {String} selector The selector of the auto complete element.\n         * @param {Array} results An array or results.\n         * @return {Array} New array of results.\n         */\n        processResults: function(selector, results) {\n            var options = [];\n            $.each(results, function(index, data) {\n                options.push({\n                    value: data.value,\n                    label: data.label\n                });\n            });\n            return options;\n        },\n\n        /**\n         * Source of data for Ajax element.\n         *\n         * @param {String} selector The selector of the auto complete element.\n         * @param {String} query The query string.\n         * @param {Function} callback A callback function receiving an array of results.\n         */\n        /* eslint-disable promise/no-callback-in-promise */\n        transport: function(selector, query, callback) {\n            this.list(selector, query).then(callback).catch(Notification.exception);\n        }\n    };\n\n});\n"],"file":"acceptances_filter_datasource.min.js"}
\ No newline at end of file
+{"version":3,"file":"acceptances_filter_datasource.min.js","sources":["../src/acceptances_filter_datasource.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Datasource for the tool_policy/acceptances_filter.\n *\n * This module is compatible with core/form-autocomplete.\n *\n * @package    tool_policy\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/notification'], function($, Ajax, Notification) {\n\n    return /** @alias module:tool_policy/acceptances_filter_datasource */ {\n        /**\n         * List filter options.\n         *\n         * @param {String} selector The select element selector.\n         * @param {String} query The query string.\n         * @return {Promise}\n         */\n        list: function(selector, query) {\n            var filteredOptions = [];\n\n            var el = $(selector);\n            var originalOptions = $(selector).data('originaloptionsjson');\n            var selectedFilters = el.val();\n            $.each(originalOptions, function(index, option) {\n                // Skip option if it does not contain the query string.\n                if (query.trim() !== '' && option.label.toLocaleLowerCase().indexOf(query.toLocaleLowerCase()) === -1) {\n                    return true;\n                }\n                // Skip filters that have already been selected.\n                if ($.inArray(option.value, selectedFilters) > -1) {\n                    return true;\n                }\n\n                filteredOptions.push(option);\n                return true;\n            });\n\n            var deferred = new $.Deferred();\n            deferred.resolve(filteredOptions);\n\n            return deferred.promise();\n        },\n\n        /**\n         * Process the results for auto complete elements.\n         *\n         * @param {String} selector The selector of the auto complete element.\n         * @param {Array} results An array or results.\n         * @return {Array} New array of results.\n         */\n        processResults: function(selector, results) {\n            var options = [];\n            $.each(results, function(index, data) {\n                options.push({\n                    value: data.value,\n                    label: data.label\n                });\n            });\n            return options;\n        },\n\n        /**\n         * Source of data for Ajax element.\n         *\n         * @param {String} selector The selector of the auto complete element.\n         * @param {String} query The query string.\n         * @param {Function} callback A callback function receiving an array of results.\n         */\n        /* eslint-disable promise/no-callback-in-promise */\n        transport: function(selector, query, callback) {\n            this.list(selector, query).then(callback).catch(Notification.exception);\n        }\n    };\n\n});\n"],"names":["define","$","Ajax","Notification","list","selector","query","filteredOptions","el","originalOptions","data","selectedFilters","val","each","index","option","trim","label","toLocaleLowerCase","indexOf","inArray","value","push","deferred","Deferred","resolve","promise","processResults","results","options","transport","callback","then","catch","exception"],"mappings":";;;;;;;;;AAyBAA,mDAAO,CAAC,SAAU,YAAa,sBAAsB,SAASC,EAAGC,KAAMC,oBAEG,CAQlEC,KAAM,SAASC,SAAUC,WACjBC,gBAAkB,GAElBC,GAAKP,EAAEI,UACPI,gBAAkBR,EAAEI,UAAUK,KAAK,uBACnCC,gBAAkBH,GAAGI,MACzBX,EAAEY,KAAKJ,iBAAiB,SAASK,MAAOC,cAEf,KAAjBT,MAAMU,SAA0F,IAAzED,OAAOE,MAAMC,oBAAoBC,QAAQb,MAAMY,sBAItEjB,EAAEmB,QAAQL,OAAOM,MAAOV,kBAAoB,GAIhDJ,gBAAgBe,KAAKP,SAPV,SAWXQ,SAAW,IAAItB,EAAEuB,gBACrBD,SAASE,QAAQlB,iBAEVgB,SAASG,WAUpBC,eAAgB,SAAStB,SAAUuB,aAC3BC,QAAU,UACd5B,EAAEY,KAAKe,SAAS,SAASd,MAAOJ,MAC5BmB,QAAQP,KAAK,CACTD,MAAOX,KAAKW,MACZJ,MAAOP,KAAKO,WAGbY,SAWXC,UAAW,SAASzB,SAAUC,MAAOyB,eAC5B3B,KAAKC,SAAUC,OAAO0B,KAAKD,UAAUE,MAAM9B,aAAa+B"}
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/acceptmodal.min.js b/admin/tool/policy/amd/build/acceptmodal.min.js
index 0caa34f0e90..7fe765532b3 100644
--- a/admin/tool/policy/amd/build/acceptmodal.min.js
+++ b/admin/tool/policy/amd/build/acceptmodal.min.js
@@ -1,2 +1,12 @@
-define ("tool_policy/acceptmodal",["jquery","core/str","core/modal_factory","core/modal_events","core/notification","core/fragment","core/ajax","core/yui"],function(a,b,c,d,f,g,h,i){"use strict";var e=function(a){this.contextid=a;this.init()};e.prototype.modal=null;e.prototype.contextid=-1;e.prototype.currentTrigger=null;e.prototype.triggers={SINGLE:"a[data-action=acceptmodal]",BULK:"input[data-action=acceptmodal]"};e.prototype.init=function(){a(this.triggers.SINGLE).on("click",function(b){b.preventDefault();this.currentTrigger=a(b.currentTarget);var c=a(b.currentTarget).attr("href"),d=c.slice(c.indexOf("?")+1);this.showFormModal(d)}.bind(this));a(this.triggers.BULK).on("click",function(c){c.preventDefault();this.currentTrigger=a(c.currentTarget);var d=a(c.currentTarget).closest("form");if(d.find("input[type=checkbox][name=\"userids[]\"]:checked").length){var e=d.serialize();this.showFormModal(e)}else{b.get_strings([{key:"notice"},{key:"selectusersforconsent",component:"tool_policy"},{key:"ok"}]).then(function(a){f.alert(a[0],a[1],a[2])}).fail(f.exception)}}.bind(this))};e.prototype.showFormModal=function(a){for(var d,e=a.split("&"),g=0,h;g<e.length;g++){h=e[g].split("=");if("action"==h[0]){d=h[1]}}b.get_strings([{key:"statusformtitleaccept",component:"tool_policy"},{key:"iagreetothepolicy",component:"tool_policy"},{key:"statusformtitlerevoke",component:"tool_policy"},{key:"irevokethepolicy",component:"tool_policy"},{key:"statusformtitledecline",component:"tool_policy"},{key:"declinethepolicy",component:"tool_policy"}]).then(function(b){var e,f;if("accept"==d){e=b[0];f=b[1]}else if("revoke"==d){e=b[2];f=b[3]}else if("decline"==d){e=b[4];f=b[5]}return c.create({type:c.types.SAVE_CANCEL,title:e,body:""}).done(function(b){this.modal=b;this.setupFormModal(a,f)}.bind(this))}.bind(this)).catch(f.exception)};e.prototype.setupFormModal=function(a,b){var c=this.modal;c.setLarge();c.setSaveButtonText(b);c.getRoot().on(d.hidden,this.destroy.bind(this));c.setBody(this.getBody(a));c.getRoot().on(d.save,this.submitForm.bind(this));c.getRoot().on("submit","form",this.submitFormAjax.bind(this));c.show()};e.prototype.getBody=function(a){if("undefined"==typeof a){a={}}var b={jsonformdata:JSON.stringify(a)};return g.loadFragment("tool_policy","accept_on_behalf",this.contextid,b)};e.prototype.submitFormAjax=function(a){a.preventDefault();var b=this.modal.getRoot().find("form").serialize(),c=h.call([{methodname:"tool_policy_submit_accept_on_behalf",args:{jsonformdata:JSON.stringify(b)}}]);c[0].done(function(a){if(a.validationerrors){this.modal.setBody(this.getBody(b))}else{this.close()}}.bind(this)).fail(f.exception)};e.prototype.submitForm=function(a){a.preventDefault();this.modal.getRoot().find("form").submit()};e.prototype.close=function(){this.destroy();document.location.reload()};e.prototype.destroy=function(){i.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.reset_form_dirty_state()});this.modal.destroy();this.currentTrigger.focus()};return{getInstance:function getInstance(a){return new e(a)}}});
-//# sourceMappingURL=acceptmodal.min.js.map
+/**
+ * Add policy consent modal to the page
+ *
+ * @module     tool_policy/acceptmodal
+ * @class      AcceptOnBehalf
+ * @package    tool_policy
+ * @copyright  2018 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_policy/acceptmodal",["jquery","core/str","core/modal_factory","core/modal_events","core/notification","core/fragment","core/ajax","core/yui"],(function($,Str,ModalFactory,ModalEvents,Notification,Fragment,Ajax,Y){var AcceptOnBehalf=function(contextid){this.contextid=contextid,this.init()};return AcceptOnBehalf.prototype.modal=null,AcceptOnBehalf.prototype.contextid=-1,AcceptOnBehalf.prototype.currentTrigger=null,AcceptOnBehalf.prototype.triggers={SINGLE:"a[data-action=acceptmodal]",BULK:"input[data-action=acceptmodal]"},AcceptOnBehalf.prototype.init=function(){$(this.triggers.SINGLE).on("click",function(e){e.preventDefault(),this.currentTrigger=$(e.currentTarget);var href=$(e.currentTarget).attr("href"),formData=href.slice(href.indexOf("?")+1);this.showFormModal(formData)}.bind(this)),$(this.triggers.BULK).on("click",function(e){e.preventDefault(),this.currentTrigger=$(e.currentTarget);var form=$(e.currentTarget).closest("form");if(form.find('input[type=checkbox][name="userids[]"]:checked').length){var formData=form.serialize();this.showFormModal(formData)}else Str.get_strings([{key:"notice"},{key:"selectusersforconsent",component:"tool_policy"},{key:"ok"}]).then((function(strings){Notification.alert(strings[0],strings[1],strings[2])})).fail(Notification.exception)}.bind(this))},AcceptOnBehalf.prototype.showFormModal=function(formData){for(var action,params=formData.split("&"),i=0;i<params.length;i++){var pair=params[i].split("=");"action"==pair[0]&&(action=pair[1])}Str.get_strings([{key:"statusformtitleaccept",component:"tool_policy"},{key:"iagreetothepolicy",component:"tool_policy"},{key:"statusformtitlerevoke",component:"tool_policy"},{key:"irevokethepolicy",component:"tool_policy"},{key:"statusformtitledecline",component:"tool_policy"},{key:"declinethepolicy",component:"tool_policy"}]).then(function(strings){var title,saveText;return"accept"==action?(title=strings[0],saveText=strings[1]):"revoke"==action?(title=strings[2],saveText=strings[3]):"decline"==action&&(title=strings[4],saveText=strings[5]),ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,title:title,body:""}).done(function(modal){this.modal=modal,this.setupFormModal(formData,saveText)}.bind(this))}.bind(this)).catch(Notification.exception)},AcceptOnBehalf.prototype.setupFormModal=function(formData,saveText){var modal=this.modal;modal.setLarge(),modal.setSaveButtonText(saveText),modal.getRoot().on(ModalEvents.hidden,this.destroy.bind(this)),modal.setBody(this.getBody(formData)),modal.getRoot().on(ModalEvents.save,this.submitForm.bind(this)),modal.getRoot().on("submit","form",this.submitFormAjax.bind(this)),modal.show()},AcceptOnBehalf.prototype.getBody=function(formData){void 0===formData&&(formData={});var params={jsonformdata:JSON.stringify(formData)};return Fragment.loadFragment("tool_policy","accept_on_behalf",this.contextid,params)},AcceptOnBehalf.prototype.submitFormAjax=function(e){e.preventDefault();var formData=this.modal.getRoot().find("form").serialize();Ajax.call([{methodname:"tool_policy_submit_accept_on_behalf",args:{jsonformdata:JSON.stringify(formData)}}])[0].done(function(data){data.validationerrors?this.modal.setBody(this.getBody(formData)):this.close()}.bind(this)).fail(Notification.exception)},AcceptOnBehalf.prototype.submitForm=function(e){e.preventDefault(),this.modal.getRoot().find("form").submit()},AcceptOnBehalf.prototype.close=function(){this.destroy(),document.location.reload()},AcceptOnBehalf.prototype.destroy=function(){Y.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.reset_form_dirty_state()})),this.modal.destroy(),this.currentTrigger.focus()},{getInstance:function(contextid){return new AcceptOnBehalf(contextid)}}}));
+
+//# sourceMappingURL=acceptmodal.min.js.map
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/acceptmodal.min.js.map b/admin/tool/policy/amd/build/acceptmodal.min.js.map
index 705150e6848..73ca28b265b 100644
--- a/admin/tool/policy/amd/build/acceptmodal.min.js.map
+++ b/admin/tool/policy/amd/build/acceptmodal.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/acceptmodal.js"],"names":["define","$","Str","ModalFactory","ModalEvents","Notification","Fragment","Ajax","Y","AcceptOnBehalf","contextid","init","prototype","modal","currentTrigger","triggers","SINGLE","BULK","on","e","preventDefault","currentTarget","href","attr","formData","slice","indexOf","showFormModal","bind","form","closest","find","length","serialize","get_strings","key","component","then","strings","alert","fail","exception","action","params","split","i","pair","title","saveText","create","type","types","SAVE_CANCEL","body","done","setupFormModal","catch","setLarge","setSaveButtonText","getRoot","hidden","destroy","setBody","getBody","save","submitForm","submitFormAjax","show","jsonformdata","JSON","stringify","loadFragment","requests","call","methodname","args","data","validationerrors","close","submit","document","location","reload","use","M","core_formchangechecker","reset_form_dirty_state","focus","getInstance"],"mappings":"AAwBAA,OAAM,2BAAC,CAAC,QAAD,CAAW,UAAX,CAAuB,oBAAvB,CAA6C,mBAA7C,CAAkE,mBAAlE,CAAuF,eAAvF,CACC,WADD,CACc,UADd,CAAD,CAEF,SAASC,CAAT,CAAYC,CAAZ,CAAiBC,CAAjB,CAA+BC,CAA/B,CAA4CC,CAA5C,CAA0DC,CAA1D,CAAoEC,CAApE,CAA0EC,CAA1E,CAA6E,CAEzE,aASA,GAAIC,CAAAA,CAAc,CAAG,SAASC,CAAT,CAAoB,CACrC,KAAKA,SAAL,CAAiBA,CAAjB,CACA,KAAKC,IAAL,EACH,CAHD,CASAF,CAAc,CAACG,SAAf,CAAyBC,KAAzB,CAAiC,IAAjC,CAMAJ,CAAc,CAACG,SAAf,CAAyBF,SAAzB,CAAqC,CAAC,CAAtC,CAMAD,CAAc,CAACG,SAAf,CAAyBE,cAAzB,CAA0C,IAA1C,CAMAL,CAAc,CAACG,SAAf,CAAyBG,QAAzB,CAAoC,CAChCC,MAAM,CAAE,4BADwB,CAEhCC,IAAI,CAAE,gCAF0B,CAApC,CAUAR,CAAc,CAACG,SAAf,CAAyBD,IAAzB,CAAgC,UAAW,CAEvCV,CAAC,CAAC,KAAKc,QAAL,CAAcC,MAAf,CAAD,CAAwBE,EAAxB,CAA2B,OAA3B,CAAoC,SAASC,CAAT,CAAY,CAC5CA,CAAC,CAACC,cAAF,GACA,KAAKN,cAAL,CAAsBb,CAAC,CAACkB,CAAC,CAACE,aAAH,CAAvB,CACA,GAAIC,CAAAA,CAAI,CAAGrB,CAAC,CAACkB,CAAC,CAACE,aAAH,CAAD,CAAmBE,IAAnB,CAAwB,MAAxB,CAAX,CACIC,CAAQ,CAAGF,CAAI,CAACG,KAAL,CAAWH,CAAI,CAACI,OAAL,CAAa,GAAb,EAAoB,CAA/B,CADf,CAEA,KAAKC,aAAL,CAAmBH,CAAnB,CACH,CANmC,CAMlCI,IANkC,CAM7B,IAN6B,CAApC,EASA3B,CAAC,CAAC,KAAKc,QAAL,CAAcE,IAAf,CAAD,CAAsBC,EAAtB,CAAyB,OAAzB,CAAkC,SAASC,CAAT,CAAY,CAC1CA,CAAC,CAACC,cAAF,GACA,KAAKN,cAAL,CAAsBb,CAAC,CAACkB,CAAC,CAACE,aAAH,CAAvB,CACA,GAAIQ,CAAAA,CAAI,CAAG5B,CAAC,CAACkB,CAAC,CAACE,aAAH,CAAD,CAAmBS,OAAnB,CAA2B,MAA3B,CAAX,CACA,GAAID,CAAI,CAACE,IAAL,CAAU,kDAAV,EAA4DC,MAAhE,CAAwE,CACpE,GAAIR,CAAAA,CAAQ,CAAGK,CAAI,CAACI,SAAL,EAAf,CACA,KAAKN,aAAL,CAAmBH,CAAnB,CACH,CAHD,IAGO,CACHtB,CAAG,CAACgC,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAE,QAAN,CADY,CAEZ,CAACA,GAAG,CAAE,uBAAN,CAA+BC,SAAS,CAAE,aAA1C,CAFY,CAGZ,CAACD,GAAG,CAAE,IAAN,CAHY,CAAhB,EAIGE,IAJH,CAIQ,SAASC,CAAT,CAAkB,CACtBjC,CAAY,CAACkC,KAAb,CAAmBD,CAAO,CAAC,CAAD,CAA1B,CAA+BA,CAAO,CAAC,CAAD,CAAtC,CAA2CA,CAAO,CAAC,CAAD,CAAlD,CAEH,CAPD,EAOGE,IAPH,CAOQnC,CAAY,CAACoC,SAPrB,CAQH,CACJ,CAjBiC,CAiBhCb,IAjBgC,CAiB3B,IAjB2B,CAAlC,CAkBH,CA7BD,CAoCAnB,CAAc,CAACG,SAAf,CAAyBe,aAAzB,CAAyC,SAASH,CAAT,CAAmB,CAGxD,OAFIkB,CAAAA,CAEJ,CADIC,CAAM,CAAGnB,CAAQ,CAACoB,KAAT,CAAe,GAAf,CACb,CAASC,CAAC,CAAG,CAAb,CACQC,CADR,CAAgBD,CAAC,CAAGF,CAAM,CAACX,MAA3B,CAAmCa,CAAC,EAApC,CAAwC,CAChCC,CADgC,CACzBH,CAAM,CAACE,CAAD,CAAN,CAAUD,KAAV,CAAgB,GAAhB,CADyB,CAEpC,GAAe,QAAX,EAAAE,CAAI,CAAC,CAAD,CAAR,CAAyB,CACrBJ,CAAM,CAAGI,CAAI,CAAC,CAAD,CAChB,CACJ,CAED5C,CAAG,CAACgC,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAE,uBAAN,CAA+BC,SAAS,CAAE,aAA1C,CADY,CAEZ,CAACD,GAAG,CAAE,mBAAN,CAA2BC,SAAS,CAAE,aAAtC,CAFY,CAGZ,CAACD,GAAG,CAAE,uBAAN,CAA+BC,SAAS,CAAE,aAA1C,CAHY,CAIZ,CAACD,GAAG,CAAE,kBAAN,CAA0BC,SAAS,CAAE,aAArC,CAJY,CAKZ,CAACD,GAAG,CAAE,wBAAN,CAAgCC,SAAS,CAAE,aAA3C,CALY,CAMZ,CAACD,GAAG,CAAE,kBAAN,CAA0BC,SAAS,CAAE,aAArC,CANY,CAAhB,EAOGC,IAPH,CAOQ,SAASC,CAAT,CAAkB,IAClBS,CAAAA,CADkB,CAElBC,CAFkB,CAGtB,GAAc,QAAV,EAAAN,CAAJ,CAAwB,CACpBK,CAAK,CAAGT,CAAO,CAAC,CAAD,CAAf,CACAU,CAAQ,CAAGV,CAAO,CAAC,CAAD,CACrB,CAHD,IAGO,IAAc,QAAV,EAAAI,CAAJ,CAAwB,CAC3BK,CAAK,CAAGT,CAAO,CAAC,CAAD,CAAf,CACAU,CAAQ,CAAGV,CAAO,CAAC,CAAD,CACrB,CAHM,IAGA,IAAc,SAAV,EAAAI,CAAJ,CAAyB,CAC5BK,CAAK,CAAGT,CAAO,CAAC,CAAD,CAAf,CACAU,CAAQ,CAAGV,CAAO,CAAC,CAAD,CACrB,CAED,MAAOnC,CAAAA,CAAY,CAAC8C,MAAb,CAAoB,CACvBC,IAAI,CAAE/C,CAAY,CAACgD,KAAb,CAAmBC,WADF,CAEvBL,KAAK,CAAEA,CAFgB,CAGvBM,IAAI,CAAE,EAHiB,CAApB,EAIJC,IAJI,CAIC,SAASzC,CAAT,CAAgB,CACpB,KAAKA,KAAL,CAAaA,CAAb,CACA,KAAK0C,cAAL,CAAoB/B,CAApB,CAA8BwB,CAA9B,CACH,CAHO,CAGNpB,IAHM,CAGD,IAHC,CAJD,CAQV,CAtBO,CAsBNA,IAtBM,CAsBD,IAtBC,CAPR,EA8BK4B,KA9BL,CA8BWnD,CAAY,CAACoC,SA9BxB,CA+BH,CAzCD,CAiDAhC,CAAc,CAACG,SAAf,CAAyB2C,cAAzB,CAA0C,SAAS/B,CAAT,CAAmBwB,CAAnB,CAA6B,CACnE,GAAInC,CAAAA,CAAK,CAAG,KAAKA,KAAjB,CAEAA,CAAK,CAAC4C,QAAN,GAEA5C,CAAK,CAAC6C,iBAAN,CAAwBV,CAAxB,EAGAnC,CAAK,CAAC8C,OAAN,GAAgBzC,EAAhB,CAAmBd,CAAW,CAACwD,MAA/B,CAAuC,KAAKC,OAAL,CAAajC,IAAb,CAAkB,IAAlB,CAAvC,EAEAf,CAAK,CAACiD,OAAN,CAAc,KAAKC,OAAL,CAAavC,CAAb,CAAd,EAIAX,CAAK,CAAC8C,OAAN,GAAgBzC,EAAhB,CAAmBd,CAAW,CAAC4D,IAA/B,CAAqC,KAAKC,UAAL,CAAgBrC,IAAhB,CAAqB,IAArB,CAArC,EAEAf,CAAK,CAAC8C,OAAN,GAAgBzC,EAAhB,CAAmB,QAAnB,CAA6B,MAA7B,CAAqC,KAAKgD,cAAL,CAAoBtC,IAApB,CAAyB,IAAzB,CAArC,EAEAf,CAAK,CAACsD,IAAN,EACH,CAnBD,CA6BA1D,CAAc,CAACG,SAAf,CAAy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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Add policy consent modal to the page\n *\n * @module     tool_policy/acceptmodal\n * @class      AcceptOnBehalf\n * @package    tool_policy\n * @copyright  2018 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/notification', 'core/fragment',\n        'core/ajax', 'core/yui'],\n    function($, Str, ModalFactory, ModalEvents, Notification, Fragment, Ajax, Y) {\n\n        \"use strict\";\n\n        /**\n         * Constructor\n         *\n         * @param {int} contextid\n         *\n         * Each call to init gets it's own instance of this class.\n         */\n        var AcceptOnBehalf = function(contextid) {\n            this.contextid = contextid;\n            this.init();\n        };\n\n        /**\n         * @var {Modal} modal\n         * @private\n         */\n        AcceptOnBehalf.prototype.modal = null;\n\n        /**\n         * @var {int} contextid\n         * @private\n         */\n        AcceptOnBehalf.prototype.contextid = -1;\n\n        /**\n         * @var {object} currentTrigger The triggered HTML jQuery object\n         * @private\n         */\n        AcceptOnBehalf.prototype.currentTrigger = null;\n\n        /**\n         * @var {object} triggers The trigger selectors\n         * @private\n         */\n        AcceptOnBehalf.prototype.triggers = {\n            SINGLE: 'a[data-action=acceptmodal]',\n            BULK: 'input[data-action=acceptmodal]'\n        };\n\n        /**\n         * Initialise the class.\n         *\n         * @private\n         */\n        AcceptOnBehalf.prototype.init = function() {\n            // Initialise for links accepting policies for individual users.\n            $(this.triggers.SINGLE).on('click', function(e) {\n                e.preventDefault();\n                this.currentTrigger = $(e.currentTarget);\n                var href = $(e.currentTarget).attr('href'),\n                    formData = href.slice(href.indexOf('?') + 1);\n                this.showFormModal(formData);\n            }.bind(this));\n\n            // Initialise for multiple users acceptance form.\n            $(this.triggers.BULK).on('click', function(e) {\n                e.preventDefault();\n                this.currentTrigger = $(e.currentTarget);\n                var form = $(e.currentTarget).closest('form');\n                if (form.find('input[type=checkbox][name=\"userids[]\"]:checked').length) {\n                    var formData = form.serialize();\n                    this.showFormModal(formData);\n                } else {\n                    Str.get_strings([\n                        {key: 'notice'},\n                        {key: 'selectusersforconsent', component: 'tool_policy'},\n                        {key: 'ok'}\n                    ]).then(function(strings) {\n                        Notification.alert(strings[0], strings[1], strings[2]);\n                        return;\n                    }).fail(Notification.exception);\n                }\n            }.bind(this));\n        };\n\n        /**\n         * Show modal with a form\n         *\n         * @param {String} formData\n         */\n        AcceptOnBehalf.prototype.showFormModal = function(formData) {\n            var action;\n            var params = formData.split('&');\n            for (var i = 0; i < params.length; i++) {\n                var pair = params[i].split('=');\n                if (pair[0] == 'action') {\n                    action = pair[1];\n                }\n            }\n            // Fetch the title string.\n            Str.get_strings([\n                {key: 'statusformtitleaccept', component: 'tool_policy'},\n                {key: 'iagreetothepolicy', component: 'tool_policy'},\n                {key: 'statusformtitlerevoke', component: 'tool_policy'},\n                {key: 'irevokethepolicy', component: 'tool_policy'},\n                {key: 'statusformtitledecline', component: 'tool_policy'},\n                {key: 'declinethepolicy', component: 'tool_policy'}\n            ]).then(function(strings) {\n                var title;\n                var saveText;\n                if (action == 'accept') {\n                    title = strings[0];\n                    saveText = strings[1];\n                } else if (action == 'revoke') {\n                    title = strings[2];\n                    saveText = strings[3];\n                } else if (action == 'decline') {\n                    title = strings[4];\n                    saveText = strings[5];\n                }\n                // Create the modal.\n                return ModalFactory.create({\n                    type: ModalFactory.types.SAVE_CANCEL,\n                    title: title,\n                    body: ''\n                }).done(function(modal) {\n                    this.modal = modal;\n                    this.setupFormModal(formData, saveText);\n                }.bind(this));\n            }.bind(this))\n                .catch(Notification.exception);\n        };\n\n        /**\n         * Setup form inside a modal\n         *\n         * @param {String} formData\n         * @param {String} saveText\n         */\n        AcceptOnBehalf.prototype.setupFormModal = function(formData, saveText) {\n            var modal = this.modal;\n\n            modal.setLarge();\n\n            modal.setSaveButtonText(saveText);\n\n            // We want to reset the form every time it is opened.\n            modal.getRoot().on(ModalEvents.hidden, this.destroy.bind(this));\n\n            modal.setBody(this.getBody(formData));\n\n            // We catch the modal save event, and use it to submit the form inside the modal.\n            // Triggering a form submission will give JS validation scripts a chance to check for errors.\n            modal.getRoot().on(ModalEvents.save, this.submitForm.bind(this));\n            // We also catch the form submit event and use it to submit the form with ajax.\n            modal.getRoot().on('submit', 'form', this.submitFormAjax.bind(this));\n\n            modal.show();\n        };\n\n        /**\n         * Load the body of the modal (contains the form)\n         *\n         * @method getBody\n         * @private\n         * @param {String} formData\n         * @return {Promise}\n         */\n        AcceptOnBehalf.prototype.getBody = function(formData) {\n            if (typeof formData === \"undefined\") {\n                formData = {};\n            }\n            // Get the content of the modal.\n            var params = {jsonformdata: JSON.stringify(formData)};\n            return Fragment.loadFragment('tool_policy', 'accept_on_behalf', this.contextid, params);\n        };\n\n        /**\n         * Submit the form inside the modal via AJAX request\n         *\n         * @method submitFormAjax\n         * @private\n         * @param {Event} e Form submission event.\n         */\n        AcceptOnBehalf.prototype.submitFormAjax = function(e) {\n            // We don't want to do a real form submission.\n            e.preventDefault();\n\n            // Convert all the form elements values to a serialised string.\n            var formData = this.modal.getRoot().find('form').serialize();\n\n            var requests = Ajax.call([{\n                methodname: 'tool_policy_submit_accept_on_behalf',\n                args: {jsonformdata: JSON.stringify(formData)}\n            }]);\n            requests[0].done(function(data) {\n                if (data.validationerrors) {\n                    this.modal.setBody(this.getBody(formData));\n                } else {\n                    this.close();\n                }\n            }.bind(this)).fail(Notification.exception);\n        };\n\n        /**\n         * This triggers a form submission, so that any mform elements can do final tricks before the form submission is processed.\n         *\n         * @method submitForm\n         * @param {Event} e Form submission event.\n         * @private\n         */\n        AcceptOnBehalf.prototype.submitForm = function(e) {\n            e.preventDefault();\n            this.modal.getRoot().find('form').submit();\n        };\n\n        /**\n         * Close the modal\n         */\n        AcceptOnBehalf.prototype.close = function() {\n            this.destroy();\n            document.location.reload();\n        };\n\n        /**\n         * Destroy the modal\n         */\n        AcceptOnBehalf.prototype.destroy = function() {\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            this.modal.destroy();\n            this.currentTrigger.focus();\n        };\n\n        return /** @alias module:tool_policy/acceptmodal */ {\n            // Public variables and functions.\n            /**\n             * Attach event listeners to initialise this module.\n             *\n             * @method init\n             * @param {int} contextid The contextid for the course.\n             * @return {AcceptOnBehalf}\n             */\n            getInstance: function(contextid) {\n                return new AcceptOnBehalf(contextid);\n            }\n        };\n    });\n"],"file":"acceptmodal.min.js"}
\ No newline at end of file
+{"version":3,"file":"acceptmodal.min.js","sources":["../src/acceptmodal.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Add policy consent modal to the page\n *\n * @module     tool_policy/acceptmodal\n * @class      AcceptOnBehalf\n * @package    tool_policy\n * @copyright  2018 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/notification', 'core/fragment',\n        'core/ajax', 'core/yui'],\n    function($, Str, ModalFactory, ModalEvents, Notification, Fragment, Ajax, Y) {\n\n        \"use strict\";\n\n        /**\n         * Constructor\n         *\n         * @param {int} contextid\n         *\n         * Each call to init gets it's own instance of this class.\n         */\n        var AcceptOnBehalf = function(contextid) {\n            this.contextid = contextid;\n            this.init();\n        };\n\n        /**\n         * @var {Modal} modal\n         * @private\n         */\n        AcceptOnBehalf.prototype.modal = null;\n\n        /**\n         * @var {int} contextid\n         * @private\n         */\n        AcceptOnBehalf.prototype.contextid = -1;\n\n        /**\n         * @var {object} currentTrigger The triggered HTML jQuery object\n         * @private\n         */\n        AcceptOnBehalf.prototype.currentTrigger = null;\n\n        /**\n         * @var {object} triggers The trigger selectors\n         * @private\n         */\n        AcceptOnBehalf.prototype.triggers = {\n            SINGLE: 'a[data-action=acceptmodal]',\n            BULK: 'input[data-action=acceptmodal]'\n        };\n\n        /**\n         * Initialise the class.\n         *\n         * @private\n         */\n        AcceptOnBehalf.prototype.init = function() {\n            // Initialise for links accepting policies for individual users.\n            $(this.triggers.SINGLE).on('click', function(e) {\n                e.preventDefault();\n                this.currentTrigger = $(e.currentTarget);\n                var href = $(e.currentTarget).attr('href'),\n                    formData = href.slice(href.indexOf('?') + 1);\n                this.showFormModal(formData);\n            }.bind(this));\n\n            // Initialise for multiple users acceptance form.\n            $(this.triggers.BULK).on('click', function(e) {\n                e.preventDefault();\n                this.currentTrigger = $(e.currentTarget);\n                var form = $(e.currentTarget).closest('form');\n                if (form.find('input[type=checkbox][name=\"userids[]\"]:checked').length) {\n                    var formData = form.serialize();\n                    this.showFormModal(formData);\n                } else {\n                    Str.get_strings([\n                        {key: 'notice'},\n                        {key: 'selectusersforconsent', component: 'tool_policy'},\n                        {key: 'ok'}\n                    ]).then(function(strings) {\n                        Notification.alert(strings[0], strings[1], strings[2]);\n                        return;\n                    }).fail(Notification.exception);\n                }\n            }.bind(this));\n        };\n\n        /**\n         * Show modal with a form\n         *\n         * @param {String} formData\n         */\n        AcceptOnBehalf.prototype.showFormModal = function(formData) {\n            var action;\n            var params = formData.split('&');\n            for (var i = 0; i < params.length; i++) {\n                var pair = params[i].split('=');\n                if (pair[0] == 'action') {\n                    action = pair[1];\n                }\n            }\n            // Fetch the title string.\n            Str.get_strings([\n                {key: 'statusformtitleaccept', component: 'tool_policy'},\n                {key: 'iagreetothepolicy', component: 'tool_policy'},\n                {key: 'statusformtitlerevoke', component: 'tool_policy'},\n                {key: 'irevokethepolicy', component: 'tool_policy'},\n                {key: 'statusformtitledecline', component: 'tool_policy'},\n                {key: 'declinethepolicy', component: 'tool_policy'}\n            ]).then(function(strings) {\n                var title;\n                var saveText;\n                if (action == 'accept') {\n                    title = strings[0];\n                    saveText = strings[1];\n                } else if (action == 'revoke') {\n                    title = strings[2];\n                    saveText = strings[3];\n                } else if (action == 'decline') {\n                    title = strings[4];\n                    saveText = strings[5];\n                }\n                // Create the modal.\n                return ModalFactory.create({\n                    type: ModalFactory.types.SAVE_CANCEL,\n                    title: title,\n                    body: ''\n                }).done(function(modal) {\n                    this.modal = modal;\n                    this.setupFormModal(formData, saveText);\n                }.bind(this));\n            }.bind(this))\n                .catch(Notification.exception);\n        };\n\n        /**\n         * Setup form inside a modal\n         *\n         * @param {String} formData\n         * @param {String} saveText\n         */\n        AcceptOnBehalf.prototype.setupFormModal = function(formData, saveText) {\n            var modal = this.modal;\n\n            modal.setLarge();\n\n            modal.setSaveButtonText(saveText);\n\n            // We want to reset the form every time it is opened.\n            modal.getRoot().on(ModalEvents.hidden, this.destroy.bind(this));\n\n            modal.setBody(this.getBody(formData));\n\n            // We catch the modal save event, and use it to submit the form inside the modal.\n            // Triggering a form submission will give JS validation scripts a chance to check for errors.\n            modal.getRoot().on(ModalEvents.save, this.submitForm.bind(this));\n            // We also catch the form submit event and use it to submit the form with ajax.\n            modal.getRoot().on('submit', 'form', this.submitFormAjax.bind(this));\n\n            modal.show();\n        };\n\n        /**\n         * Load the body of the modal (contains the form)\n         *\n         * @method getBody\n         * @private\n         * @param {String} formData\n         * @return {Promise}\n         */\n        AcceptOnBehalf.prototype.getBody = function(formData) {\n            if (typeof formData === \"undefined\") {\n                formData = {};\n            }\n            // Get the content of the modal.\n            var params = {jsonformdata: JSON.stringify(formData)};\n            return Fragment.loadFragment('tool_policy', 'accept_on_behalf', this.contextid, params);\n        };\n\n        /**\n         * Submit the form inside the modal via AJAX request\n         *\n         * @method submitFormAjax\n         * @private\n         * @param {Event} e Form submission event.\n         */\n        AcceptOnBehalf.prototype.submitFormAjax = function(e) {\n            // We don't want to do a real form submission.\n            e.preventDefault();\n\n            // Convert all the form elements values to a serialised string.\n            var formData = this.modal.getRoot().find('form').serialize();\n\n            var requests = Ajax.call([{\n                methodname: 'tool_policy_submit_accept_on_behalf',\n                args: {jsonformdata: JSON.stringify(formData)}\n            }]);\n            requests[0].done(function(data) {\n                if (data.validationerrors) {\n                    this.modal.setBody(this.getBody(formData));\n                } else {\n                    this.close();\n                }\n            }.bind(this)).fail(Notification.exception);\n        };\n\n        /**\n         * This triggers a form submission, so that any mform elements can do final tricks before the form submission is processed.\n         *\n         * @method submitForm\n         * @param {Event} e Form submission event.\n         * @private\n         */\n        AcceptOnBehalf.prototype.submitForm = function(e) {\n            e.preventDefault();\n            this.modal.getRoot().find('form').submit();\n        };\n\n        /**\n         * Close the modal\n         */\n        AcceptOnBehalf.prototype.close = function() {\n            this.destroy();\n            document.location.reload();\n        };\n\n        /**\n         * Destroy the modal\n         */\n        AcceptOnBehalf.prototype.destroy = function() {\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            this.modal.destroy();\n            this.currentTrigger.focus();\n        };\n\n        return /** @alias module:tool_policy/acceptmodal */ {\n            // Public variables and functions.\n            /**\n             * Attach event listeners to initialise this module.\n             *\n             * @method init\n             * @param {int} contextid The contextid for the course.\n             * @return {AcceptOnBehalf}\n             */\n            getInstance: function(contextid) {\n                return new AcceptOnBehalf(contextid);\n            }\n        };\n    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diff --git a/admin/tool/policy/amd/build/jquery-eu-cookie-law-popup.min.js b/admin/tool/policy/amd/build/jquery-eu-cookie-law-popup.min.js
index 37744652a39..6dc7ef9edf3 100644
--- a/admin/tool/policy/amd/build/jquery-eu-cookie-law-popup.min.js
+++ b/admin/tool/policy/amd/build/jquery-eu-cookie-law-popup.min.js
@@ -1,2 +1,3 @@
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+//# sourceMappingURL=jquery-eu-cookie-law-popup.min.js.map
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/jquery-eu-cookie-law-popup.min.js.map b/admin/tool/policy/amd/build/jquery-eu-cookie-law-popup.min.js.map
index 0fac0c498af..e9557426c2c 100644
--- a/admin/tool/policy/amd/build/jquery-eu-cookie-law-popup.min.js.map
+++ b/admin/tool/policy/amd/build/jquery-eu-cookie-law-popup.min.js.map
@@ -1 +1 @@
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*\r\n * JQUERY EU COOKIE LAW POPUPS\r\n * version 1.1.1\r\n *\r\n * Code on Github:\r\n * https://github.com/wimagguc/jquery-eu-cookie-law-popup\r\n *\r\n * To see a live demo, go to:\r\n * http://www.wimagguc.com/2018/05/gdpr-compliance-with-the-jquery-eu-cookie-law-plugin/\r\n *\r\n * by Richard Dancsi\r\n * http://www.wimagguc.com/\r\n *\r\n */\r\n\r\ndefine(['jquery'], function($) {\r\n\r\n// for ie9 doesn't support debug console >>>\r\nif (!window.console) window.console = {};\r\nif (!window.console.log) window.console.log = function () { };\r\n// ^^^\r\n\r\n$.fn.euCookieLawPopup = (function() {\r\n\r\n\tvar _self = this;\r\n\r\n\t///////////////////////////////////////////////////////////////////////////////////////////////\r\n\t// PARAMETERS (MODIFY THIS PART) //////////////////////////////////////////////////////////////\r\n\t_self.params = {\r\n\t\tcookiePolicyUrl : '/?cookie-policy',\r\n\t\tpopupPosition : 'top',\r\n\t\tcolorStyle : 'default',\r\n\t\tcompactStyle : false,\r\n\t\tpopupTitle : 'This website is using cookies',\r\n\t\tpopupText : 'We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we\\'ll assume that you are happy to receive all cookies on this website.',\r\n\t\tbuttonContinueTitle : 'Continue',\r\n\t\tbuttonLearnmoreTitle : 'Learn&nbsp;more',\r\n\t\tbuttonLearnmoreOpenInNewWindow : true,\r\n\t\tagreementExpiresInDays : 30,\r\n\t\tautoAcceptCookiePolicy : false,\r\n\t\thtmlMarkup : null\r\n\t};\r\n\r\n\t///////////////////////////////////////////////////////////////////////////////////////////////\r\n\t// VARIABLES USED BY THE FUNCTION (DON'T MODIFY THIS PART) ////////////////////////////////////\r\n\t_self.vars = {\r\n\t\tINITIALISED : false,\r\n\t\tHTML_MARKUP : null,\r\n\t\tCOOKIE_NAME : 'EU_COOKIE_LAW_CONSENT'\r\n\t};\r\n\r\n\t///////////////////////////////////////////////////////////////////////////////////////////////\r\n\t// PRIVATE FUNCTIONS FOR MANIPULATING DATA ////////////////////////////////////////////////////\r\n\r\n\t// Overwrite default parameters if any of those is present\r\n\tvar parseParameters = function(object, markup, settings) {\r\n\r\n\t\tif (object) {\r\n\t\t\tvar className = $(object).attr('class') ? $(object).attr('class') : '';\r\n\t\t\tif (className.indexOf('eupopup-top') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'top';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-fixedtop') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'fixedtop';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-bottomright') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'bottomright';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-bottomleft') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'bottomleft';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-bottom') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'bottom';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-block') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'block';\r\n\t\t\t}\r\n\t\t\tif (className.indexOf('eupopup-color-default') > -1) {\r\n\t\t\t\t_self.params.colorStyle = 'default';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-color-inverse') > -1) {\r\n\t\t\t\t_self.params.colorStyle = 'inverse';\r\n\t\t\t}\r\n\t\t\tif (className.indexOf('eupopup-style-compact') > -1) {\r\n\t\t\t\t_self.params.compactStyle = true;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (markup) {\r\n\t\t\t_self.params.htmlMarkup = markup;\r\n\t\t}\r\n\r\n\t\tif (settings) {\r\n\t\t\tif (typeof settings.cookiePolicyUrl !== 'undefined') {\r\n\t\t\t\t_self.params.cookiePolicyUrl = settings.cookiePolicyUrl;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.popupPosition !== 'undefined') {\r\n\t\t\t\t_self.params.popupPosition = settings.popupPosition;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.colorStyle !== 'undefined') {\r\n\t\t\t\t_self.params.colorStyle = settings.colorStyle;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.popupTitle !== 'undefined') {\r\n\t\t\t\t_self.params.popupTitle = settings.popupTitle;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.popupText !== 'undefined') {\r\n\t\t\t\t_self.params.popupText = settings.popupText;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.buttonContinueTitle !== 'undefined') {\r\n\t\t\t\t_self.params.buttonContinueTitle = settings.buttonContinueTitle;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.buttonLearnmoreTitle !== 'undefined') {\r\n\t\t\t\t_self.params.buttonLearnmoreTitle = settings.buttonLearnmoreTitle;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.buttonLearnmoreOpenInNewWindow !== 'undefined') {\r\n\t\t\t\t_self.params.buttonLearnmoreOpenInNewWindow = settings.buttonLearnmoreOpenInNewWindow;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.agreementExpiresInDays !== 'undefined') {\r\n\t\t\t\t_self.params.agreementExpiresInDays = settings.agreementExpiresInDays;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.autoAcceptCookiePolicy !== 'undefined') {\r\n\t\t\t\t_self.params.autoAcceptCookiePolicy = settings.autoAcceptCookiePolicy;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.htmlMarkup !== 'undefined') {\r\n\t\t\t\t_self.params.htmlMarkup = settings.htmlMarkup;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tvar createHtmlMarkup = function() {\r\n\r\n\t\tif (_self.params.htmlMarkup) {\r\n\t\t\treturn _self.params.htmlMarkup;\r\n\t\t}\r\n\r\n\t\tvar html =\r\n\t\t\t'<div class=\"eupopup-container' +\r\n\t\t\t    ' eupopup-container-' + _self.params.popupPosition +\r\n\t\t\t    (_self.params.compactStyle ? ' eupopup-style-compact' : '') +\r\n\t\t\t\t' eupopup-color-' + _self.params.colorStyle + '\">' +\r\n\t\t\t\t'<div class=\"eupopup-head\">' + _self.params.popupTitle + '</div>' +\r\n\t\t\t\t'<div class=\"eupopup-body\">' + _self.params.popupText + '</div>' +\r\n\t\t\t\t'<div class=\"eupopup-buttons\">' +\r\n\t\t\t\t  '<a href=\"#\" class=\"eupopup-button eupopup-button_1\">' + _self.params.buttonContinueTitle + '</a>' +\r\n\t\t\t\t  '<a href=\"' + _self.params.cookiePolicyUrl + '\"' +\r\n\t\t\t\t \t(_self.params.buttonLearnmoreOpenInNewWindow ? ' target=_blank ' : '') +\r\n\t\t\t\t\t' class=\"eupopup-button eupopup-button_2\">' + _self.params.buttonLearnmoreTitle + '</a>' +\r\n\t\t\t\t  '<div class=\"clearfix\"></div>' +\r\n\t\t\t\t'</div>' +\r\n\t\t\t\t'<a href=\"#\" class=\"eupopup-closebutton\">x</a>' +\r\n\t\t\t'</div>';\r\n\r\n\t\treturn html;\r\n\t};\r\n\r\n\t// Storing the consent in a cookie\r\n\tvar setUserAcceptsCookies = function(consent) {\r\n\t\tvar d = new Date();\r\n\t\tvar expiresInDays = _self.params.agreementExpiresInDays * 24 * 60 * 60 * 1000;\r\n\t\td.setTime( d.getTime() + expiresInDays );\r\n\t\tvar expires = \"expires=\" + d.toGMTString();\r\n\t\tdocument.cookie = _self.vars.COOKIE_NAME + '=' + consent + \"; \" + expires + \";path=/\";\r\n\r\n\t\t$(document).trigger(\"user_cookie_consent_changed\", {'consent' : consent});\r\n\t};\r\n\r\n\t// Let's see if we have a consent cookie already\r\n\tvar userAlreadyAcceptedCookies = function() {\r\n\t\tvar userAcceptedCookies = false;\r\n\t\tvar cookies = document.cookie.split(\";\");\r\n\t\tfor (var i = 0; i < cookies.length; i++) {\r\n\t\t\tvar c = cookies[i].trim();\r\n\t\t\tif (c.indexOf(_self.vars.COOKIE_NAME) !== -1) {\r\n\t\t\t\tuserAcceptedCookies = c.substring(_self.vars.COOKIE_NAME.length + 1, c.length);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn userAcceptedCookies;\r\n\t};\r\n\r\n\tvar hideContainer = function() {\r\n\t\t// $('.eupopup-container').slideUp(200);\r\n\t\t$('.eupopup-container').animate({\r\n\t\t\topacity: 0,\r\n\t\t\theight: 0\r\n\t\t}, 200, function() {\r\n\t\t\t$('.eupopup-container').hide(0);\r\n\t\t});\r\n\t};\r\n\r\n\t///////////////////////////////////////////////////////////////////////////////////////////////\r\n\t// PUBLIC FUNCTIONS  //////////////////////////////////////////////////////////////////////////\r\n\tvar publicfunc = {\r\n\r\n\t\t// INITIALIZE EU COOKIE LAW POPUP /////////////////////////////////////////////////////////\r\n\t\tinit : function(settings) {\r\n\r\n\t\t\tparseParameters(\r\n\t\t\t\t$(\".eupopup\").first(),\r\n\t\t\t\t$(\".eupopup-markup\").html(),\r\n\t\t\t\tsettings);\r\n\r\n\t\t\t// No need to display this if user already accepted the policy\r\n\t\t\tif (userAlreadyAcceptedCookies()) {\r\n        $(document).trigger(\"user_cookie_already_accepted\", {'consent': true});\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\r\n\t\t\t// We should initialise only once\r\n\t\t\tif (_self.vars.INITIALISED) {\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\t\t\t_self.vars.INITIALISED = true;\r\n\r\n\t\t\t// Markup and event listeners >>>\r\n\t\t\t_self.vars.HTML_MARKUP = createHtmlMarkup();\r\n\r\n\t\t\tif ($('.eupopup-block').length > 0) {\r\n\t\t\t\t$('.eupopup-block').append(_self.vars.HTML_MARKUP);\r\n\t\t\t} else {\r\n\t\t\t\t$('BODY').append(_self.vars.HTML_MARKUP);\r\n\t\t\t}\r\n\r\n\t\t\t$('.eupopup-button_1').click(function() {\r\n\t\t\t\tsetUserAcceptsCookies(true);\r\n\t\t\t\thideContainer();\r\n\t\t\t\treturn false;\r\n\t\t\t});\r\n\t\t\t$('.eupopup-closebutton').click(function() {\r\n\t\t\t\tsetUserAcceptsCookies(true);\r\n\t\t\t\thideContainer();\r\n\t\t\t\treturn false;\r\n\t\t\t});\r\n\t\t\t// ^^^ Markup and event listeners\r\n\r\n\t\t\t// Ready to start!\r\n\t\t\t$('.eupopup-container').show();\r\n\r\n\t\t\t// In case it's alright to just display the message once\r\n\t\t\tif (_self.params.autoAcceptCookiePolicy) {\r\n\t\t\t\tsetUserAcceptsCookies(true);\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\treturn publicfunc;\r\n});\r\n});\r\n"],"file":"jquery-eu-cookie-law-popup.min.js"}
\ No newline at end of file
+{"version":3,"file":"jquery-eu-cookie-law-popup.min.js","sources":["../src/jquery-eu-cookie-law-popup.js"],"sourcesContent":["/**\r\n *\r\n * JQUERY EU COOKIE LAW POPUPS\r\n * version 1.1.1\r\n *\r\n * Code on Github:\r\n * https://github.com/wimagguc/jquery-eu-cookie-law-popup\r\n *\r\n * To see a live demo, go to:\r\n * http://www.wimagguc.com/2018/05/gdpr-compliance-with-the-jquery-eu-cookie-law-plugin/\r\n *\r\n * by Richard Dancsi\r\n * http://www.wimagguc.com/\r\n *\r\n */\r\n\r\ndefine(['jquery'], function($) {\r\n\r\n// for ie9 doesn't support debug console >>>\r\nif (!window.console) window.console = {};\r\nif (!window.console.log) window.console.log = function () { };\r\n// ^^^\r\n\r\n$.fn.euCookieLawPopup = (function() {\r\n\r\n\tvar _self = this;\r\n\r\n\t///////////////////////////////////////////////////////////////////////////////////////////////\r\n\t// PARAMETERS (MODIFY THIS PART) //////////////////////////////////////////////////////////////\r\n\t_self.params = {\r\n\t\tcookiePolicyUrl : '/?cookie-policy',\r\n\t\tpopupPosition : 'top',\r\n\t\tcolorStyle : 'default',\r\n\t\tcompactStyle : false,\r\n\t\tpopupTitle : 'This website is using cookies',\r\n\t\tpopupText : 'We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we\\'ll assume that you are happy to receive all cookies on this website.',\r\n\t\tbuttonContinueTitle : 'Continue',\r\n\t\tbuttonLearnmoreTitle : 'Learn&nbsp;more',\r\n\t\tbuttonLearnmoreOpenInNewWindow : true,\r\n\t\tagreementExpiresInDays : 30,\r\n\t\tautoAcceptCookiePolicy : false,\r\n\t\thtmlMarkup : null\r\n\t};\r\n\r\n\t///////////////////////////////////////////////////////////////////////////////////////////////\r\n\t// VARIABLES USED BY THE FUNCTION (DON'T MODIFY THIS PART) ////////////////////////////////////\r\n\t_self.vars = {\r\n\t\tINITIALISED : false,\r\n\t\tHTML_MARKUP : null,\r\n\t\tCOOKIE_NAME : 'EU_COOKIE_LAW_CONSENT'\r\n\t};\r\n\r\n\t///////////////////////////////////////////////////////////////////////////////////////////////\r\n\t// PRIVATE FUNCTIONS FOR MANIPULATING DATA ////////////////////////////////////////////////////\r\n\r\n\t// Overwrite default parameters if any of those is present\r\n\tvar parseParameters = function(object, markup, settings) {\r\n\r\n\t\tif (object) {\r\n\t\t\tvar className = $(object).attr('class') ? $(object).attr('class') : '';\r\n\t\t\tif (className.indexOf('eupopup-top') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'top';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-fixedtop') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'fixedtop';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-bottomright') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'bottomright';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-bottomleft') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'bottomleft';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-bottom') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'bottom';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-block') > -1) {\r\n\t\t\t\t_self.params.popupPosition = 'block';\r\n\t\t\t}\r\n\t\t\tif (className.indexOf('eupopup-color-default') > -1) {\r\n\t\t\t\t_self.params.colorStyle = 'default';\r\n\t\t\t}\r\n\t\t\telse if (className.indexOf('eupopup-color-inverse') > -1) {\r\n\t\t\t\t_self.params.colorStyle = 'inverse';\r\n\t\t\t}\r\n\t\t\tif (className.indexOf('eupopup-style-compact') > -1) {\r\n\t\t\t\t_self.params.compactStyle = true;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\tif (markup) {\r\n\t\t\t_self.params.htmlMarkup = markup;\r\n\t\t}\r\n\r\n\t\tif (settings) {\r\n\t\t\tif (typeof settings.cookiePolicyUrl !== 'undefined') {\r\n\t\t\t\t_self.params.cookiePolicyUrl = settings.cookiePolicyUrl;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.popupPosition !== 'undefined') {\r\n\t\t\t\t_self.params.popupPosition = settings.popupPosition;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.colorStyle !== 'undefined') {\r\n\t\t\t\t_self.params.colorStyle = settings.colorStyle;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.popupTitle !== 'undefined') {\r\n\t\t\t\t_self.params.popupTitle = settings.popupTitle;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.popupText !== 'undefined') {\r\n\t\t\t\t_self.params.popupText = settings.popupText;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.buttonContinueTitle !== 'undefined') {\r\n\t\t\t\t_self.params.buttonContinueTitle = settings.buttonContinueTitle;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.buttonLearnmoreTitle !== 'undefined') {\r\n\t\t\t\t_self.params.buttonLearnmoreTitle = settings.buttonLearnmoreTitle;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.buttonLearnmoreOpenInNewWindow !== 'undefined') {\r\n\t\t\t\t_self.params.buttonLearnmoreOpenInNewWindow = settings.buttonLearnmoreOpenInNewWindow;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.agreementExpiresInDays !== 'undefined') {\r\n\t\t\t\t_self.params.agreementExpiresInDays = settings.agreementExpiresInDays;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.autoAcceptCookiePolicy !== 'undefined') {\r\n\t\t\t\t_self.params.autoAcceptCookiePolicy = settings.autoAcceptCookiePolicy;\r\n\t\t\t}\r\n\t\t\tif (typeof settings.htmlMarkup !== 'undefined') {\r\n\t\t\t\t_self.params.htmlMarkup = settings.htmlMarkup;\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t};\r\n\r\n\tvar createHtmlMarkup = function() {\r\n\r\n\t\tif (_self.params.htmlMarkup) {\r\n\t\t\treturn _self.params.htmlMarkup;\r\n\t\t}\r\n\r\n\t\tvar html =\r\n\t\t\t'<div class=\"eupopup-container' +\r\n\t\t\t    ' eupopup-container-' + _self.params.popupPosition +\r\n\t\t\t    (_self.params.compactStyle ? ' eupopup-style-compact' : '') +\r\n\t\t\t\t' eupopup-color-' + _self.params.colorStyle + '\">' +\r\n\t\t\t\t'<div class=\"eupopup-head\">' + _self.params.popupTitle + '</div>' +\r\n\t\t\t\t'<div class=\"eupopup-body\">' + _self.params.popupText + '</div>' +\r\n\t\t\t\t'<div class=\"eupopup-buttons\">' +\r\n\t\t\t\t  '<a href=\"#\" class=\"eupopup-button eupopup-button_1\">' + _self.params.buttonContinueTitle + '</a>' +\r\n\t\t\t\t  '<a href=\"' + _self.params.cookiePolicyUrl + '\"' +\r\n\t\t\t\t \t(_self.params.buttonLearnmoreOpenInNewWindow ? ' target=_blank ' : '') +\r\n\t\t\t\t\t' class=\"eupopup-button eupopup-button_2\">' + _self.params.buttonLearnmoreTitle + '</a>' +\r\n\t\t\t\t  '<div class=\"clearfix\"></div>' +\r\n\t\t\t\t'</div>' +\r\n\t\t\t\t'<a href=\"#\" class=\"eupopup-closebutton\">x</a>' +\r\n\t\t\t'</div>';\r\n\r\n\t\treturn html;\r\n\t};\r\n\r\n\t// Storing the consent in a cookie\r\n\tvar setUserAcceptsCookies = function(consent) {\r\n\t\tvar d = new Date();\r\n\t\tvar expiresInDays = _self.params.agreementExpiresInDays * 24 * 60 * 60 * 1000;\r\n\t\td.setTime( d.getTime() + expiresInDays );\r\n\t\tvar expires = \"expires=\" + d.toGMTString();\r\n\t\tdocument.cookie = _self.vars.COOKIE_NAME + '=' + consent + \"; \" + expires + \";path=/\";\r\n\r\n\t\t$(document).trigger(\"user_cookie_consent_changed\", {'consent' : consent});\r\n\t};\r\n\r\n\t// Let's see if we have a consent cookie already\r\n\tvar userAlreadyAcceptedCookies = function() {\r\n\t\tvar userAcceptedCookies = false;\r\n\t\tvar cookies = document.cookie.split(\";\");\r\n\t\tfor (var i = 0; i < cookies.length; i++) {\r\n\t\t\tvar c = cookies[i].trim();\r\n\t\t\tif (c.indexOf(_self.vars.COOKIE_NAME) !== -1) {\r\n\t\t\t\tuserAcceptedCookies = c.substring(_self.vars.COOKIE_NAME.length + 1, c.length);\r\n\t\t\t}\r\n\t\t}\r\n\r\n\t\treturn userAcceptedCookies;\r\n\t};\r\n\r\n\tvar hideContainer = function() {\r\n\t\t// $('.eupopup-container').slideUp(200);\r\n\t\t$('.eupopup-container').animate({\r\n\t\t\topacity: 0,\r\n\t\t\theight: 0\r\n\t\t}, 200, function() {\r\n\t\t\t$('.eupopup-container').hide(0);\r\n\t\t});\r\n\t};\r\n\r\n\t///////////////////////////////////////////////////////////////////////////////////////////////\r\n\t// PUBLIC FUNCTIONS  //////////////////////////////////////////////////////////////////////////\r\n\tvar publicfunc = {\r\n\r\n\t\t// INITIALIZE EU COOKIE LAW POPUP /////////////////////////////////////////////////////////\r\n\t\tinit : function(settings) {\r\n\r\n\t\t\tparseParameters(\r\n\t\t\t\t$(\".eupopup\").first(),\r\n\t\t\t\t$(\".eupopup-markup\").html(),\r\n\t\t\t\tsettings);\r\n\r\n\t\t\t// No need to display this if user already accepted the policy\r\n\t\t\tif (userAlreadyAcceptedCookies()) {\r\n        $(document).trigger(\"user_cookie_already_accepted\", {'consent': true});\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\r\n\t\t\t// We should initialise only once\r\n\t\t\tif (_self.vars.INITIALISED) {\r\n\t\t\t\treturn;\r\n\t\t\t}\r\n\t\t\t_self.vars.INITIALISED = true;\r\n\r\n\t\t\t// Markup and event listeners >>>\r\n\t\t\t_self.vars.HTML_MARKUP = createHtmlMarkup();\r\n\r\n\t\t\tif ($('.eupopup-block').length > 0) {\r\n\t\t\t\t$('.eupopup-block').append(_self.vars.HTML_MARKUP);\r\n\t\t\t} else {\r\n\t\t\t\t$('BODY').append(_self.vars.HTML_MARKUP);\r\n\t\t\t}\r\n\r\n\t\t\t$('.eupopup-button_1').click(function() {\r\n\t\t\t\tsetUserAcceptsCookies(true);\r\n\t\t\t\thideContainer();\r\n\t\t\t\treturn false;\r\n\t\t\t});\r\n\t\t\t$('.eupopup-closebutton').click(function() {\r\n\t\t\t\tsetUserAcceptsCookies(true);\r\n\t\t\t\thideContainer();\r\n\t\t\t\treturn false;\r\n\t\t\t});\r\n\t\t\t// ^^^ Markup and event listeners\r\n\r\n\t\t\t// Ready to start!\r\n\t\t\t$('.eupopup-container').show();\r\n\r\n\t\t\t// In case it's alright to just display the message once\r\n\t\t\tif (_self.params.autoAcceptCookiePolicy) {\r\n\t\t\t\tsetUserAcceptsCookies(true);\r\n\t\t\t}\r\n\r\n\t\t}\r\n\r\n\t};\r\n\r\n\treturn 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\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/managedocsactions.min.js b/admin/tool/policy/amd/build/managedocsactions.min.js
index 01ff00fb88d..755a1df4444 100644
--- a/admin/tool/policy/amd/build/managedocsactions.min.js
+++ b/admin/tool/policy/amd/build/managedocsactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_policy/managedocsactions",["jquery","core/log","core/config","core/str","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f){"use strict";var g={LINKS:"[data-action]",MAKE_CURRENT:"[data-action=\"makecurrent\"]",INACTIVATE:"[data-action=\"inactivate\"]",DELETE:"[data-action=\"delete\"]"};function h(a){this.base=a;this.initEvents()}h.prototype.initEvents=function(){var h=this;h.base.on("click",g.LINKS,function(h){h.stopPropagation();var i=a(h.currentTarget),j,k;if(i.is(g.MAKE_CURRENT)){j=d.get_strings([{key:"activating",component:"tool_policy"},{key:"activateconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"activateconfirmyes",component:"tool_policy"}])}else if(i.is(g.INACTIVATE)){j=d.get_strings([{key:"inactivating",component:"tool_policy"},{key:"inactivatingconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"inactivatingconfirmyes",component:"tool_policy"}])}else if(i.is(g.DELETE)){j=d.get_strings([{key:"deleting",component:"tool_policy"},{key:"deleteconfirm",component:"tool_policy",param:{name:i.closest("[data-policy-name]").attr("data-policy-name"),revision:i.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"delete",component:"core"}])}else{b.error("unknown action type detected","tool_policy/managedocsactions");return}h.preventDefault();j.then(function(a){k=a;return e.create({title:k[0],body:k[1],type:e.types.SAVE_CANCEL})}).then(function(a){a.setSaveButtonText(k[2]);a.getRoot().on(f.save,function(){window.location.href=i.attr("href")+"&sesskey="+c.sesskey+"&confirm=1"});a.getRoot().on(f.hidden,function(){a.destroy()});a.show();return!0}).catch(function(a){b.error(a);return!1})})};return{init:function init(b){var c=a(document.getElementById(b));if(c.length){return new h(c)}else{throw new Error("managedocsactions: Invalid base element identifier")}}}});
-//# sourceMappingURL=managedocsactions.min.js.map
+/**
+ * Adds support for confirmation via JS modal for some management actions at the Manage policies page.
+ *
+ * @module      tool_policy/managedocsactions
+ * @package     tool_policy
+ * @copyright   2018 David Mudrák <david@moodle.com>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_policy/managedocsactions",["jquery","core/log","core/config","core/str","core/modal_factory","core/modal_events"],(function($,Log,Config,Str,ModalFactory,ModalEvents){var ACTION_LINKS="[data-action]",ACTION_MAKE_CURRENT='[data-action="makecurrent"]',ACTION_INACTIVATE='[data-action="inactivate"]',ACTION_DELETE='[data-action="delete"]';function ManageDocsActions(base){this.base=base,this.initEvents()}return ManageDocsActions.prototype.initEvents=function(){this.base.on("click",ACTION_LINKS,(function(e){e.stopPropagation();var promise,strings,link=$(e.currentTarget);if(link.is(ACTION_MAKE_CURRENT))promise=Str.get_strings([{key:"activating",component:"tool_policy"},{key:"activateconfirm",component:"tool_policy",param:{name:link.closest("[data-policy-name]").attr("data-policy-name"),revision:link.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"activateconfirmyes",component:"tool_policy"}]);else if(link.is(ACTION_INACTIVATE))promise=Str.get_strings([{key:"inactivating",component:"tool_policy"},{key:"inactivatingconfirm",component:"tool_policy",param:{name:link.closest("[data-policy-name]").attr("data-policy-name"),revision:link.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"inactivatingconfirmyes",component:"tool_policy"}]);else{if(!link.is(ACTION_DELETE))return void Log.error("unknown action type detected","tool_policy/managedocsactions");promise=Str.get_strings([{key:"deleting",component:"tool_policy"},{key:"deleteconfirm",component:"tool_policy",param:{name:link.closest("[data-policy-name]").attr("data-policy-name"),revision:link.closest("[data-policy-revision]").attr("data-policy-revision")}},{key:"delete",component:"core"}])}e.preventDefault(),promise.then((function(strs){return strings=strs,ModalFactory.create({title:strings[0],body:strings[1],type:ModalFactory.types.SAVE_CANCEL})})).then((function(modal){return modal.setSaveButtonText(strings[2]),modal.getRoot().on(ModalEvents.save,(function(){window.location.href=link.attr("href")+"&sesskey="+Config.sesskey+"&confirm=1"})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show(),!0})).catch((function(e){return Log.error(e),!1}))}))},{init:function(baseid){var base=$(document.getElementById(baseid));if(base.length)return new ManageDocsActions(base);throw new Error("managedocsactions: Invalid base element identifier")}}}));
+
+//# sourceMappingURL=managedocsactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/managedocsactions.min.js.map b/admin/tool/policy/amd/build/managedocsactions.min.js.map
index 171cecce05b..dd5991eae84 100644
--- a/admin/tool/policy/amd/build/managedocsactions.min.js.map
+++ b/admin/tool/policy/amd/build/managedocsactions.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Adds support for confirmation via JS modal for some management actions at the Manage policies page.\n *\n * @module      tool_policy/managedocsactions\n * @package     tool_policy\n * @copyright   2018 David Mudrák <david@moodle.com>\n * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/log',\n    'core/config',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events'\n], function($, Log, Config, Str, ModalFactory, ModalEvents) {\n\n    \"use strict\";\n\n    /**\n     * List of action selectors.\n     *\n     * @property {string} LINKS - Selector for all action links\n     * @property {string} MAKE_CURRENT\n     */\n    var ACTION = {\n        LINKS: '[data-action]',\n        MAKE_CURRENT: '[data-action=\"makecurrent\"]',\n        INACTIVATE: '[data-action=\"inactivate\"]',\n        DELETE: '[data-action=\"delete\"]'\n    };\n\n    /**\n     * @constructor\n     * @param {Element} base - Management area wrapping element\n     */\n    function ManageDocsActions(base) {\n        this.base = base;\n\n        this.initEvents();\n    }\n\n    /**\n     * Register event listeners.\n     */\n    ManageDocsActions.prototype.initEvents = function() {\n        var self = this;\n\n        self.base.on('click', ACTION.LINKS, function(e) {\n            e.stopPropagation();\n\n            var link = $(e.currentTarget);\n            var promise;\n            var strings;\n\n            if (link.is(ACTION.MAKE_CURRENT)) {\n                promise = Str.get_strings([\n                    {key: 'activating', component: 'tool_policy'},\n                    {key: 'activateconfirm', component: 'tool_policy', param: {\n                        name: link.closest('[data-policy-name]').attr('data-policy-name'),\n                        revision: link.closest('[data-policy-revision]').attr('data-policy-revision')\n                    }},\n                    {key: 'activateconfirmyes', component: 'tool_policy'}\n                ]);\n\n            } else if (link.is(ACTION.INACTIVATE)) {\n                promise = Str.get_strings([\n                    {key: 'inactivating', component: 'tool_policy'},\n                    {key: 'inactivatingconfirm', component: 'tool_policy', param: {\n                        name: link.closest('[data-policy-name]').attr('data-policy-name'),\n                        revision: link.closest('[data-policy-revision]').attr('data-policy-revision')\n                    }},\n                    {key: 'inactivatingconfirmyes', component: 'tool_policy'}\n                ]);\n\n            } else if (link.is(ACTION.DELETE)) {\n                promise = Str.get_strings([\n                    {key: 'deleting', component: 'tool_policy'},\n                    {key: 'deleteconfirm', component: 'tool_policy', param: {\n                        name: link.closest('[data-policy-name]').attr('data-policy-name'),\n                        revision: link.closest('[data-policy-revision]').attr('data-policy-revision')\n                    }},\n                    {key: 'delete', component: 'core'}\n                ]);\n\n            } else {\n                Log.error('unknown action type detected', 'tool_policy/managedocsactions');\n                return;\n            }\n\n            e.preventDefault();\n\n            promise.then(function(strs) {\n                strings = strs;\n                return ModalFactory.create({\n                    title: strings[0],\n                    body: strings[1],\n                    type: ModalFactory.types.SAVE_CANCEL\n                });\n\n            }).then(function(modal) {\n                modal.setSaveButtonText(strings[2]);\n                modal.getRoot().on(ModalEvents.save, function() {\n                    window.location.href = link.attr('href') + '&sesskey=' + Config.sesskey + '&confirm=1';\n                });\n\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    modal.destroy();\n                });\n\n                modal.show();\n                return true;\n\n            }).catch(function(e) {\n                Log.error(e);\n                return false;\n            });\n        });\n    };\n\n    return {\n        /**\n         * Factory method returning instance of the ManageDocsActions\n         *\n         * @param {String} baseid - ID of the management area wrapping element\n         * @return {ManageDocsActions}\n         */\n        init: function(baseid) {\n            var base = $(document.getElementById(baseid));\n\n            if (base.length) {\n                return new ManageDocsActions(base);\n\n            } else {\n                throw new Error(\"managedocsactions: Invalid base element identifier\");\n            }\n        }\n    };\n});\n"],"file":"managedocsactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"managedocsactions.min.js","sources":["../src/managedocsactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Adds support for confirmation via JS modal for some management actions at the Manage policies page.\n *\n * @module      tool_policy/managedocsactions\n * @package     tool_policy\n * @copyright   2018 David Mudrák <david@moodle.com>\n * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/log',\n    'core/config',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events'\n], function($, Log, Config, Str, ModalFactory, ModalEvents) {\n\n    \"use strict\";\n\n    /**\n     * List of action selectors.\n     *\n     * @property {string} LINKS - Selector for all action links\n     * @property {string} MAKE_CURRENT\n     */\n    var ACTION = {\n        LINKS: '[data-action]',\n        MAKE_CURRENT: '[data-action=\"makecurrent\"]',\n        INACTIVATE: '[data-action=\"inactivate\"]',\n        DELETE: '[data-action=\"delete\"]'\n    };\n\n    /**\n     * @constructor\n     * @param {Element} base - Management area wrapping element\n     */\n    function ManageDocsActions(base) {\n        this.base = base;\n\n        this.initEvents();\n    }\n\n    /**\n     * Register event listeners.\n     */\n    ManageDocsActions.prototype.initEvents = function() {\n        var self = this;\n\n        self.base.on('click', ACTION.LINKS, function(e) {\n            e.stopPropagation();\n\n            var link = $(e.currentTarget);\n            var promise;\n            var strings;\n\n            if (link.is(ACTION.MAKE_CURRENT)) {\n                promise = Str.get_strings([\n                    {key: 'activating', component: 'tool_policy'},\n                    {key: 'activateconfirm', component: 'tool_policy', param: {\n                        name: link.closest('[data-policy-name]').attr('data-policy-name'),\n                        revision: link.closest('[data-policy-revision]').attr('data-policy-revision')\n                    }},\n                    {key: 'activateconfirmyes', component: 'tool_policy'}\n                ]);\n\n            } else if (link.is(ACTION.INACTIVATE)) {\n                promise = Str.get_strings([\n                    {key: 'inactivating', component: 'tool_policy'},\n                    {key: 'inactivatingconfirm', component: 'tool_policy', param: {\n                        name: link.closest('[data-policy-name]').attr('data-policy-name'),\n                        revision: link.closest('[data-policy-revision]').attr('data-policy-revision')\n                    }},\n                    {key: 'inactivatingconfirmyes', component: 'tool_policy'}\n                ]);\n\n            } else if (link.is(ACTION.DELETE)) {\n                promise = Str.get_strings([\n                    {key: 'deleting', component: 'tool_policy'},\n                    {key: 'deleteconfirm', component: 'tool_policy', param: {\n                        name: link.closest('[data-policy-name]').attr('data-policy-name'),\n                        revision: link.closest('[data-policy-revision]').attr('data-policy-revision')\n                    }},\n                    {key: 'delete', component: 'core'}\n                ]);\n\n            } else {\n                Log.error('unknown action type detected', 'tool_policy/managedocsactions');\n                return;\n            }\n\n            e.preventDefault();\n\n            promise.then(function(strs) {\n                strings = strs;\n                return ModalFactory.create({\n                    title: strings[0],\n                    body: strings[1],\n                    type: ModalFactory.types.SAVE_CANCEL\n                });\n\n            }).then(function(modal) {\n                modal.setSaveButtonText(strings[2]);\n                modal.getRoot().on(ModalEvents.save, function() {\n                    window.location.href = link.attr('href') + '&sesskey=' + Config.sesskey + '&confirm=1';\n                });\n\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    modal.destroy();\n                });\n\n                modal.show();\n                return true;\n\n            }).catch(function(e) {\n                Log.error(e);\n                return false;\n            });\n        });\n    };\n\n    return {\n        /**\n         * Factory method returning instance of the ManageDocsActions\n         *\n         * @param {String} baseid - ID of the management area wrapping element\n         * @return {ManageDocsActions}\n         */\n        init: function(baseid) {\n            var base = $(document.getElementById(baseid));\n\n            if (base.length) {\n                return new ManageDocsActions(base);\n\n            } else {\n                throw new Error(\"managedocsactions: Invalid base element identifier\");\n            }\n        }\n    };\n});\n"],"names":["define","$","Log","Config","Str","ModalFactory","ModalEvents","ACTION","ManageDocsActions","base","initEvents","prototype","this","on","e","stopPropagation","promise","strings","link","currentTarget","is","get_strings","key","component","param","name","closest","attr","revision","error","preventDefault","then","strs","create","title","body","type","types","SAVE_CANCEL","modal","setSaveButtonText","getRoot","save","window","location","href","sesskey","hidden","destroy","show","catch","init","baseid","document","getElementById","length","Error"],"mappings":";;;;;;;;AAuBAA,uCAAO,CACH,SACA,WACA,cACA,WACA,qBACA,sBACD,SAASC,EAAGC,IAAKC,OAAQC,IAAKC,aAAcC,iBAUvCC,aACO,gBADPA,oBAEc,8BAFdA,kBAGY,6BAHZA,cAIQ,kCAOHC,kBAAkBC,WAClBA,KAAOA,UAEPC,oBAMTF,kBAAkBG,UAAUD,WAAa,WAC1BE,KAENH,KAAKI,GAAG,QAASN,cAAc,SAASO,GACzCA,EAAEC,sBAGEC,QACAC,QAFAC,KAAOjB,EAAEa,EAAEK,kBAIXD,KAAKE,GAAGb,qBACRS,QAAUZ,IAAIiB,YAAY,CACtB,CAACC,IAAK,aAAcC,UAAW,eAC/B,CAACD,IAAK,kBAAmBC,UAAW,cAAeC,MAAO,CACtDC,KAAMP,KAAKQ,QAAQ,sBAAsBC,KAAK,oBAC9CC,SAAUV,KAAKQ,QAAQ,0BAA0BC,KAAK,0BAE1D,CAACL,IAAK,qBAAsBC,UAAW,sBAGxC,GAAIL,KAAKE,GAAGb,mBACfS,QAAUZ,IAAIiB,YAAY,CACtB,CAACC,IAAK,eAAgBC,UAAW,eACjC,CAACD,IAAK,sBAAuBC,UAAW,cAAeC,MAAO,CAC1DC,KAAMP,KAAKQ,QAAQ,sBAAsBC,KAAK,oBAC9CC,SAAUV,KAAKQ,QAAQ,0BAA0BC,KAAK,0BAE1D,CAACL,IAAK,yBAA0BC,UAAW,qBAG5C,CAAA,IAAIL,KAAKE,GAAGb,2BAWfL,IAAI2B,MAAM,+BAAgC,iCAV1Cb,QAAUZ,IAAIiB,YAAY,CACtB,CAACC,IAAK,WAAYC,UAAW,eAC7B,CAACD,IAAK,gBAAiBC,UAAW,cAAeC,MAAO,CACpDC,KAAMP,KAAKQ,QAAQ,sBAAsBC,KAAK,oBAC9CC,SAAUV,KAAKQ,QAAQ,0BAA0BC,KAAK,0BAE1D,CAACL,IAAK,SAAUC,UAAW,UAQnCT,EAAEgB,iBAEFd,QAAQe,MAAK,SAASC,aAClBf,QAAUe,KACH3B,aAAa4B,OAAO,CACvBC,MAAOjB,QAAQ,GACfkB,KAAMlB,QAAQ,GACdmB,KAAM/B,aAAagC,MAAMC,iBAG9BP,MAAK,SAASQ,cACbA,MAAMC,kBAAkBvB,QAAQ,IAChCsB,MAAME,UAAU5B,GAAGP,YAAYoC,MAAM,WACjCC,OAAOC,SAASC,KAAO3B,KAAKS,KAAK,QAAU,YAAcxB,OAAO2C,QAAU,gBAG9EP,MAAME,UAAU5B,GAAGP,YAAYyC,QAAQ,WACnCR,MAAMS,aAGVT,MAAMU,QACC,KAERC,OAAM,SAASpC,UACdZ,IAAI2B,MAAMf,IACH,SAKZ,CAOHqC,KAAM,SAASC,YACP3C,KAAOR,EAAEoD,SAASC,eAAeF,YAEjC3C,KAAK8C,cACE,IAAI/C,kBAAkBC,YAGvB,IAAI+C,MAAM"}
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/policyactions.min.js b/admin/tool/policy/amd/build/policyactions.min.js
index 80d26882b60..8b1aa48a69d 100644
--- a/admin/tool/policy/amd/build/policyactions.min.js
+++ b/admin/tool/policy/amd/build/policyactions.min.js
@@ -1,2 +1,11 @@
-define ("tool_policy/policyactions",["jquery","core/ajax","core/notification","core/modal_factory","core/modal_events"],function(a,b,c,d,e){var f=function(a){this.registerEvents(a)};f.prototype.registerEvents=function(f){f.on("click",function(f){f.preventDefault();var g=a(this).data("versionid"),h=a(this).data("behalfid"),i=a.Deferred(),j=a.Deferred(),k=d.create({title:i,body:j,large:!0}).then(function(a){a.getRoot().on(e.hidden,function(){a.destroy()});return a}).then(function(a){a.show();return a}).catch(c.exception),l=b.call([{methodname:"tool_policy_get_policy_version",args:{versionid:g,behalfid:h}}]);a.when(l[0]).then(function(a){if(a.result.policy){i.resolve(a.result.policy.name);j.resolve(a.result.policy.content);return a}else{throw new Error(a.warnings[0].message)}}).catch(function(a){k.then(function(a){a.hide();a.destroy();return a}).catch(c.exception);return c.addNotification({message:a,type:"error"})})})};return{init:function init(b){b=a(b);return new f(b)}}});
-//# sourceMappingURL=policyactions.min.js.map
+/**
+ * Policy actions.
+ *
+ * @module     tool_policy/policyactions
+ * @package    tool_policy
+ * @copyright  2018 Sara Arjona (sara@moodle.com)
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_policy/policyactions",["jquery","core/ajax","core/notification","core/modal_factory","core/modal_events"],(function($,Ajax,Notification,ModalFactory,ModalEvents){var PolicyActions=function(root){this.registerEvents(root)};return PolicyActions.prototype.registerEvents=function(root){root.on("click",(function(e){e.preventDefault();var request={methodname:"tool_policy_get_policy_version",args:{versionid:$(this).data("versionid"),behalfid:$(this).data("behalfid")}},modalTitle=$.Deferred(),modalBody=$.Deferred(),modal=ModalFactory.create({title:modalTitle,body:modalBody,large:!0}).then((function(modal){return modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal})).then((function(modal){return modal.show(),modal})).catch(Notification.exception),promises=Ajax.call([request]);$.when(promises[0]).then((function(data){if(data.result.policy)return modalTitle.resolve(data.result.policy.name),modalBody.resolve(data.result.policy.content),data;throw new Error(data.warnings[0].message)})).catch((function(message){return modal.then((function(modal){return modal.hide(),modal.destroy(),modal})).catch(Notification.exception),Notification.addNotification({message:message,type:"error"})}))}))},{init:function(root){return root=$(root),new PolicyActions(root)}}}));
+
+//# sourceMappingURL=policyactions.min.js.map
\ No newline at end of file
diff --git a/admin/tool/policy/amd/build/policyactions.min.js.map b/admin/tool/policy/amd/build/policyactions.min.js.map
index 0b8ba40f77c..c0caa2cff97 100644
--- a/admin/tool/policy/amd/build/policyactions.min.js.map
+++ b/admin/tool/policy/amd/build/policyactions.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Policy actions.\n *\n * @module     tool_policy/policyactions\n * @package    tool_policy\n * @copyright  2018 Sara Arjona (sara@moodle.com)\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, ModalFactory, ModalEvents) {\n\n    /**\n     * PolicyActions class.\n     */\n    var PolicyActions = function(root) {\n        this.registerEvents(root);\n    };\n\n    /**\n     * Register event listeners.\n     */\n    PolicyActions.prototype.registerEvents = function(root) {\n        root.on(\"click\", function(e) {\n            e.preventDefault();\n\n            var versionid = $(this).data('versionid');\n            var behalfid = $(this).data('behalfid');\n\n            var params = {\n                'versionid': versionid,\n                'behalfid': behalfid\n            };\n\n            var request = {\n                methodname: 'tool_policy_get_policy_version',\n                args: params\n            };\n\n            var modalTitle = $.Deferred();\n            var modalBody = $.Deferred();\n\n            var modal = ModalFactory.create({\n                title: modalTitle,\n                body: modalBody,\n                large: true\n            })\n            .then(function(modal) {\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                return modal;\n            })\n            .then(function(modal) {\n                modal.show();\n\n                return modal;\n            })\n            .catch(Notification.exception);\n\n            // Make the request now that the modal is configured.\n            var promises = Ajax.call([request]);\n            $.when(promises[0]).then(function(data) {\n                if (data.result.policy) {\n                    modalTitle.resolve(data.result.policy.name);\n                    modalBody.resolve(data.result.policy.content);\n\n                    return data;\n                } else {\n                    throw new Error(data.warnings[0].message);\n                }\n            }).catch(function(message) {\n                modal.then(function(modal) {\n                    modal.hide();\n                    modal.destroy();\n\n                    return modal;\n                })\n                .catch(Notification.exception);\n\n                return Notification.addNotification({\n                    message: message,\n                    type: 'error'\n                });\n            });\n        });\n\n    };\n\n    return /** @alias module:tool_policy/policyactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the actions helper.\n         *\n         * @method init\n         * @return {PolicyActions}\n         */\n        'init': function(root) {\n            root = $(root);\n            return new PolicyActions(root);\n        }\n    };\n});\n"],"file":"policyactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"policyactions.min.js","sources":["../src/policyactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Policy actions.\n *\n * @module     tool_policy/policyactions\n * @package    tool_policy\n * @copyright  2018 Sara Arjona (sara@moodle.com)\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, ModalFactory, ModalEvents) {\n\n    /**\n     * PolicyActions class.\n     */\n    var PolicyActions = function(root) {\n        this.registerEvents(root);\n    };\n\n    /**\n     * Register event listeners.\n     */\n    PolicyActions.prototype.registerEvents = function(root) {\n        root.on(\"click\", function(e) {\n            e.preventDefault();\n\n            var versionid = $(this).data('versionid');\n            var behalfid = $(this).data('behalfid');\n\n            var params = {\n                'versionid': versionid,\n                'behalfid': behalfid\n            };\n\n            var request = {\n                methodname: 'tool_policy_get_policy_version',\n                args: params\n            };\n\n            var modalTitle = $.Deferred();\n            var modalBody = $.Deferred();\n\n            var modal = ModalFactory.create({\n                title: modalTitle,\n                body: modalBody,\n                large: true\n            })\n            .then(function(modal) {\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                return modal;\n            })\n            .then(function(modal) {\n                modal.show();\n\n                return modal;\n            })\n            .catch(Notification.exception);\n\n            // Make the request now that the modal is configured.\n            var promises = Ajax.call([request]);\n            $.when(promises[0]).then(function(data) {\n                if (data.result.policy) {\n                    modalTitle.resolve(data.result.policy.name);\n                    modalBody.resolve(data.result.policy.content);\n\n                    return data;\n                } else {\n                    throw new Error(data.warnings[0].message);\n                }\n            }).catch(function(message) {\n                modal.then(function(modal) {\n                    modal.hide();\n                    modal.destroy();\n\n                    return modal;\n                })\n                .catch(Notification.exception);\n\n                return Notification.addNotification({\n                    message: message,\n                    type: 'error'\n                });\n            });\n        });\n\n    };\n\n    return /** @alias module:tool_policy/policyactions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the actions helper.\n         *\n         * @method init\n         * @return {PolicyActions}\n         */\n        'init': function(root) {\n            root = $(root);\n            return new PolicyActions(root);\n        }\n    };\n});\n"],"names":["define","$","Ajax","Notification","ModalFactory","ModalEvents","PolicyActions","root","registerEvents","prototype","on","e","preventDefault","request","methodname","args","this","data","modalTitle","Deferred","modalBody","modal","create","title","body","large","then","getRoot","hidden","destroy","show","catch","exception","promises","call","when","result","policy","resolve","name","content","Error","warnings","message","hide","addNotification","type"],"mappings":";;;;;;;;AAuBAA,mCAAO,CACH,SACA,YACA,oBACA,qBACA,sBACJ,SAASC,EAAGC,KAAMC,aAAcC,aAAcC,iBAKtCC,cAAgB,SAASC,WACpBC,eAAeD,cAMxBD,cAAcG,UAAUD,eAAiB,SAASD,MAC9CA,KAAKG,GAAG,SAAS,SAASC,GACtBA,EAAEC,qBAUEC,QAAU,CACVC,WAAY,iCACZC,KAPS,WAHGd,EAAEe,MAAMC,KAAK,sBACdhB,EAAEe,MAAMC,KAAK,cAYxBC,WAAajB,EAAEkB,WACfC,UAAYnB,EAAEkB,WAEdE,MAAQjB,aAAakB,OAAO,CAC5BC,MAAOL,WACPM,KAAMJ,UACNK,OAAO,IAEVC,MAAK,SAASL,cAEXA,MAAMM,UAAUjB,GAAGL,YAAYuB,QAAQ,WAEnCP,MAAMQ,aAGHR,SAEVK,MAAK,SAASL,cACXA,MAAMS,OAECT,SAEVU,MAAM5B,aAAa6B,WAGhBC,SAAW/B,KAAKgC,KAAK,CAACrB,UAC1BZ,EAAEkC,KAAKF,SAAS,IAAIP,MAAK,SAAST,SAC1BA,KAAKmB,OAAOC,cACZnB,WAAWoB,QAAQrB,KAAKmB,OAAOC,OAAOE,MACtCnB,UAAUkB,QAAQrB,KAAKmB,OAAOC,OAAOG,SAE9BvB,WAED,IAAIwB,MAAMxB,KAAKyB,SAAS,GAAGC,YAEtCZ,OAAM,SAASY,gBACdtB,MAAMK,MAAK,SAASL,cAChBA,MAAMuB,OACNvB,MAAMQ,UAECR,SAEVU,MAAM5B,aAAa6B,WAEb7B,aAAa0C,gBAAgB,CAChCF,QAASA,QACTG,KAAM,iBAOgC,MAS1C,SAASvC,aACbA,KAAON,EAAEM,MACF,IAAID,cAAcC"}
\ No newline at end of file
diff --git a/admin/tool/templatelibrary/amd/build/display.min.js b/admin/tool/templatelibrary/amd/build/display.min.js
index 9ac8f6ba001..974b76a375c 100644
--- a/admin/tool/templatelibrary/amd/build/display.min.js
+++ b/admin/tool/templatelibrary/amd/build/display.min.js
@@ -1,2 +1,11 @@
-define ("tool_templatelibrary/display",["jquery","core/ajax","core/log","core/notification","core/templates","core/config","core/str"],function(a,b,c,d,e,f,g){var h=function(a,b){if(!a){return!1}var c="@template "+b,d=0,e=[];e=a.match(/{{!([\s\S]*?)}}/g);if(null!==e){for(d=0;d<e.length;d++){var f=e[d],g=f.indexOf(c);if(-1!==g){var h=g+c.length+1;f=f.substr(h,f.length-2-h);return f}}}return!1},i=function(b,f,i){g.get_string("templateselected","tool_templatelibrary",b).done(function(b){a("[data-region=\"displaytemplateheader\"]").text(b)}).fail(d.exception);var j=h(f,b);if(!1===j){j=h(i,b)}if(j){f=j}a("[data-region=\"displaytemplatesource\"]").text(f);var k=f.match(/Example context \(json\):([\s\S]*)/),l=!1;if(k){var m=k[1].trim();try{l=a.parseJSON(m)}catch(a){c.debug("Could not parse json example context for template.");c.debug(a)}}if(l){e.render(b,l).done(function(b,c){e.replaceNodeContents(a("[data-region=\"displaytemplateexample\"]"),b,c)}).fail(d.exception)}else{g.get_string("templatehasnoexample","tool_templatelibrary").done(function(b){a("[data-region=\"displaytemplateexample\"]").text(b)}).fail(d.exception)}},j=function(c){var e=c.split("/"),g=e.shift(),h=e.join("/"),j=b.call([{methodname:"core_output_load_template",args:{component:g,template:h,themename:f.theme,includecomments:!0}},{methodname:"tool_templatelibrary_load_canonical_template",args:{component:g,template:h}}],!0,!1);a.when.apply(a,j).done(function(a,b){i(c,a,b)}).fail(d.exception)};a("[data-region=\"list-templates\"]").on("click","[data-templatename]",function(b){var c=a(this).data("templatename");b.preventDefault();j(c)});return{}});
-//# sourceMappingURL=display.min.js.map
+/**
+ * This module adds ajax display functions to the template library page.
+ *
+ * @module     tool_templatelibrary/display
+ * @package    tool_templatelibrary
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_templatelibrary/display",["jquery","core/ajax","core/log","core/notification","core/templates","core/config","core/str"],(function($,ajax,log,notification,templates,config,str){var findDocsSection=function(templateSource,templateName){if(!templateSource)return!1;var sections,marker="@template "+templateName,i=0;if(null!==(sections=templateSource.match(/{{!([\s\S]*?)}}/g)))for(i=0;i<sections.length;i++){var section=sections[i],start=section.indexOf(marker);if(-1!==start){var offset=start+marker.length+1;return section=section.substr(offset,section.length-2-offset)}}return!1},loadTemplate=function(templateName){var parts=templateName.split("/"),component=parts.shift(),name=parts.join("/"),promises=ajax.call([{methodname:"core_output_load_template",args:{component:component,template:name,themename:config.theme,includecomments:!0}},{methodname:"tool_templatelibrary_load_canonical_template",args:{component:component,template:name}}],!0,!1);$.when.apply($,promises).done((function(source,originalSource){!function(templateName,source,originalSource){str.get_string("templateselected","tool_templatelibrary",templateName).done((function(s){$('[data-region="displaytemplateheader"]').text(s)})).fail(notification.exception);var docs=findDocsSection(source,templateName);!1===docs&&(docs=findDocsSection(originalSource,templateName)),docs&&(source=docs),$('[data-region="displaytemplatesource"]').text(source);var example=source.match(/Example context \(json\):([\s\S]*)/),context=!1;if(example){var rawJSON=example[1].trim();try{context=$.parseJSON(rawJSON)}catch(e){log.debug("Could not parse json example context for template."),log.debug(e)}}context?templates.render(templateName,context).done((function(html,js){templates.replaceNodeContents($('[data-region="displaytemplateexample"]'),html,js)})).fail(notification.exception):str.get_string("templatehasnoexample","tool_templatelibrary").done((function(s){$('[data-region="displaytemplateexample"]').text(s)})).fail(notification.exception)}(templateName,source,originalSource)})).fail(notification.exception)};return $('[data-region="list-templates"]').on("click","[data-templatename]",(function(e){var templatename=$(this).data("templatename");e.preventDefault(),loadTemplate(templatename)})),{}}));
+
+//# sourceMappingURL=display.min.js.map
\ No newline at end of file
diff --git a/admin/tool/templatelibrary/amd/build/display.min.js.map b/admin/tool/templatelibrary/amd/build/display.min.js.map
index abaf4bd984d..6aca0bd8730 100644
--- a/admin/tool/templatelibrary/amd/build/display.min.js.map
+++ b/admin/tool/templatelibrary/amd/build/display.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module adds ajax display functions to the template library page.\n *\n * @module     tool_templatelibrary/display\n * @package    tool_templatelibrary\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/log', 'core/notification', 'core/templates', 'core/config', 'core/str'],\n       function($, ajax, log, notification, templates, config, str) {\n\n    /**\n     * Search through a template for a template docs comment.\n     *\n     * @param {String} templateSource The raw template\n     * @param {String} templateName The name of the template used to search for docs tag\n     * @return {String|boolean} the correct comment or false\n     */\n    var findDocsSection = function(templateSource, templateName) {\n\n        if (!templateSource) {\n            return false;\n        }\n        // Find the comment section marked with @template component/template.\n        var marker = \"@template \" + templateName,\n            i = 0,\n            sections = [];\n\n        sections = templateSource.match(/{{!([\\s\\S]*?)}}/g);\n\n        // If no sections match - show the entire file.\n        if (sections !== null) {\n            for (i = 0; i < sections.length; i++) {\n                var section = sections[i];\n                var start = section.indexOf(marker);\n                if (start !== -1) {\n                    // Remove {{! and }} from start and end.\n                    var offset = start + marker.length + 1;\n                    section = section.substr(offset, section.length - 2 - offset);\n                    return section;\n                }\n            }\n        }\n        // No matching comment.\n        return false;\n    };\n\n    /**\n     * Handle a template loaded response.\n     *\n     * @param {String} templateName The template name\n     * @param {String} source The template source\n     * @param {String} originalSource The original template source (not theme overridden)\n     */\n    var templateLoaded = function(templateName, source, originalSource) {\n        str.get_string('templateselected', 'tool_templatelibrary', templateName).done(function(s) {\n            $('[data-region=\"displaytemplateheader\"]').text(s);\n        }).fail(notification.exception);\n\n        // Find the comment section marked with @template component/template.\n        var docs = findDocsSection(source, templateName);\n\n        if (docs === false) {\n            // Docs was not in theme template, try original.\n            docs = findDocsSection(originalSource, templateName);\n        }\n\n        // If we found a docs section, limit the template library to showing this section.\n        if (docs) {\n            source = docs;\n        }\n\n        $('[data-region=\"displaytemplatesource\"]').text(source);\n\n        // Now search the text for a json example.\n\n        var example = source.match(/Example context \\(json\\):([\\s\\S]*)/);\n        var context = false;\n        if (example) {\n            var rawJSON = example[1].trim();\n            try {\n                context = $.parseJSON(rawJSON);\n            } catch (e) {\n                log.debug('Could not parse json example context for template.');\n                log.debug(e);\n            }\n        }\n        if (context) {\n            templates.render(templateName, context).done(function(html, js) {\n                templates.replaceNodeContents($('[data-region=\"displaytemplateexample\"]'), html, js);\n            }).fail(notification.exception);\n        } else {\n            str.get_string('templatehasnoexample', 'tool_templatelibrary').done(function(s) {\n                $('[data-region=\"displaytemplateexample\"]').text(s);\n            }).fail(notification.exception);\n        }\n    };\n\n    /**\n     * Load the a template source from Moodle.\n     *\n     * @param {String} templateName\n     */\n    var loadTemplate = function(templateName) {\n        var parts = templateName.split('/');\n        var component = parts.shift();\n        var name = parts.join('/');\n\n        var promises = ajax.call([{\n            methodname: 'core_output_load_template',\n            args: {\n                    component: component,\n                    template: name,\n                    themename: config.theme,\n                    includecomments: true\n            }\n        }, {\n            methodname: 'tool_templatelibrary_load_canonical_template',\n            args: {\n                    component: component,\n                    template: name\n            }\n        }], true, false);\n\n        // When returns a new promise that is resolved when all the passed in promises are resolved.\n        // The arguments to the done become the values of each resolved promise.\n        $.when.apply($, promises)\n            .done(function(source, originalSource) {\n              templateLoaded(templateName, source, originalSource);\n            })\n            .fail(notification.exception);\n    };\n\n    // Add the event listeners.\n    $('[data-region=\"list-templates\"]').on('click', '[data-templatename]', function(e) {\n        var templatename = $(this).data('templatename');\n        e.preventDefault();\n        loadTemplate(templatename);\n    });\n\n    // This module does not expose anything.\n    return {};\n});\n"],"file":"display.min.js"}
\ No newline at end of file
+{"version":3,"file":"display.min.js","sources":["../src/display.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module adds ajax display functions to the template library page.\n *\n * @module     tool_templatelibrary/display\n * @package    tool_templatelibrary\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/log', 'core/notification', 'core/templates', 'core/config', 'core/str'],\n       function($, ajax, log, notification, templates, config, str) {\n\n    /**\n     * Search through a template for a template docs comment.\n     *\n     * @param {String} templateSource The raw template\n     * @param {String} templateName The name of the template used to search for docs tag\n     * @return {String|boolean} the correct comment or false\n     */\n    var findDocsSection = function(templateSource, templateName) {\n\n        if (!templateSource) {\n            return false;\n        }\n        // Find the comment section marked with @template component/template.\n        var marker = \"@template \" + templateName,\n            i = 0,\n            sections = [];\n\n        sections = templateSource.match(/{{!([\\s\\S]*?)}}/g);\n\n        // If no sections match - show the entire file.\n        if (sections !== null) {\n            for (i = 0; i < sections.length; i++) {\n                var section = sections[i];\n                var start = section.indexOf(marker);\n                if (start !== -1) {\n                    // Remove {{! and }} from start and end.\n                    var offset = start + marker.length + 1;\n                    section = section.substr(offset, section.length - 2 - offset);\n                    return section;\n                }\n            }\n        }\n        // No matching comment.\n        return false;\n    };\n\n    /**\n     * Handle a template loaded response.\n     *\n     * @param {String} templateName The template name\n     * @param {String} source The template source\n     * @param {String} originalSource The original template source (not theme overridden)\n     */\n    var templateLoaded = function(templateName, source, originalSource) {\n        str.get_string('templateselected', 'tool_templatelibrary', templateName).done(function(s) {\n            $('[data-region=\"displaytemplateheader\"]').text(s);\n        }).fail(notification.exception);\n\n        // Find the comment section marked with @template component/template.\n        var docs = findDocsSection(source, templateName);\n\n        if (docs === false) {\n            // Docs was not in theme template, try original.\n            docs = findDocsSection(originalSource, templateName);\n        }\n\n        // If we found a docs section, limit the template library to showing this section.\n        if (docs) {\n            source = docs;\n        }\n\n        $('[data-region=\"displaytemplatesource\"]').text(source);\n\n        // Now search the text for a json example.\n\n        var example = source.match(/Example context \\(json\\):([\\s\\S]*)/);\n        var context = false;\n        if (example) {\n            var rawJSON = example[1].trim();\n            try {\n                context = $.parseJSON(rawJSON);\n            } catch (e) {\n                log.debug('Could not parse json example context for template.');\n                log.debug(e);\n            }\n        }\n        if (context) {\n            templates.render(templateName, context).done(function(html, js) {\n                templates.replaceNodeContents($('[data-region=\"displaytemplateexample\"]'), html, js);\n            }).fail(notification.exception);\n        } else {\n            str.get_string('templatehasnoexample', 'tool_templatelibrary').done(function(s) {\n                $('[data-region=\"displaytemplateexample\"]').text(s);\n            }).fail(notification.exception);\n        }\n    };\n\n    /**\n     * Load the a template source from Moodle.\n     *\n     * @param {String} 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          templateLoaded(templateName, source, originalSource);\n            })\n            .fail(notification.exception);\n    };\n\n    // Add the event listeners.\n    $('[data-region=\"list-templates\"]').on('click', '[data-templatename]', function(e) {\n        var templatename = $(this).data('templatename');\n        e.preventDefault();\n        loadTemplate(templatename);\n    });\n\n    // This module does not expose anything.\n    return 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\ No newline at end of file
diff --git a/admin/tool/templatelibrary/amd/build/search.min.js b/admin/tool/templatelibrary/amd/build/search.min.js
index 75f90006dd1..36fd69f0099 100644
--- a/admin/tool/templatelibrary/amd/build/search.min.js
+++ b/admin/tool/templatelibrary/amd/build/search.min.js
@@ -1,2 +1,11 @@
-define ("tool_templatelibrary/search",["jquery","core/ajax","core/log","core/notification","core/templates","core/config"],function(a,b,c,d,e,f){var g=function(b){e.render("tool_templatelibrary/search_results",{templates:b}).done(function(b,c){e.replaceNode(a("[data-region=\"searchresults\"]"),b,c)}).fail(d.exception)},h=function(c){var e=a("[data-field=\"component\"]").val(),f=a("[data-field=\"search\"]").val();b.call([{methodname:"tool_templatelibrary_list_templates",args:{component:e,search:f,themename:c},done:g,fail:d.exception}],!0,!1)},i=null,j=function(a,b){if(null!==i){window.clearTimeout(i)}i=window.setTimeout(function(){a();i=null},b)},k=function(){j(h.bind(this,f.theme),400)};a("[data-region=\"list-templates\"]").on("change","[data-field=\"component\"]",k);a("[data-region=\"list-templates\"]").on("input","[data-field=\"search\"]",k);h(f.theme);return{}});
-//# sourceMappingURL=search.min.js.map
+/**
+ * This module adds ajax search functions to the template library page.
+ *
+ * @module     tool_templatelibrary/search
+ * @package    tool_templatelibrary
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("tool_templatelibrary/search",["jquery","core/ajax","core/log","core/notification","core/templates","core/config"],(function($,ajax,log,notification,templates,config){var reloadListTemplate=function(templateList){templates.render("tool_templatelibrary/search_results",{templates:templateList}).done((function(result,js){templates.replaceNode($('[data-region="searchresults"]'),result,js)})).fail(notification.exception)},refreshSearch=function(themename){var componentStr=$('[data-field="component"]').val(),searchStr=$('[data-field="search"]').val();ajax.call([{methodname:"tool_templatelibrary_list_templates",args:{component:componentStr,search:searchStr,themename:themename},done:reloadListTemplate,fail:notification.exception}],!0,!1)},throttle=null,changeHandler=function(){var callback,delay;callback=refreshSearch.bind(this,config.theme),delay=400,null!==throttle&&window.clearTimeout(throttle),throttle=window.setTimeout((function(){callback(),throttle=null}),delay)};return $('[data-region="list-templates"]').on("change",'[data-field="component"]',changeHandler),$('[data-region="list-templates"]').on("input",'[data-field="search"]',changeHandler),refreshSearch(config.theme),{}}));
+
+//# sourceMappingURL=search.min.js.map
\ No newline at end of file
diff --git a/admin/tool/templatelibrary/amd/build/search.min.js.map b/admin/tool/templatelibrary/amd/build/search.min.js.map
index 758f7b01eb2..7769a566927 100644
--- a/admin/tool/templatelibrary/amd/build/search.min.js.map
+++ b/admin/tool/templatelibrary/amd/build/search.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/search.js"],"names":["define","$","ajax","log","notification","templates","config","reloadListTemplate","templateList","render","done","result","js","replaceNode","fail","exception","refreshSearch","themename","componentStr","val","searchStr","call","methodname","args","component","search","throttle","queueRefresh","callback","delay","window","clearTimeout","setTimeout","changeHandler","bind","theme","on"],"mappings":"AAuBAA,OAAM,+BAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,UAAxB,CAAoC,mBAApC,CAAyD,gBAAzD,CAA2E,aAA3E,CAAD,CACC,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAuBC,CAAvB,CAAqCC,CAArC,CAAgDC,CAAhD,CAAwD,IAQvDC,CAAAA,CAAkB,CAAG,SAASC,CAAT,CAAuB,CAC5CH,CAAS,CAACI,MAAV,CAAiB,qCAAjB,CAAwD,CAACJ,SAAS,CAAEG,CAAZ,CAAxD,EACKE,IADL,CACU,SAASC,CAAT,CAAiBC,CAAjB,CAAqB,CACvBP,CAAS,CAACQ,WAAV,CAAsBZ,CAAC,CAAC,iCAAD,CAAvB,CAA0DU,CAA1D,CAAkEC,CAAlE,CACH,CAHL,EAGOE,IAHP,CAGYV,CAAY,CAACW,SAHzB,CAIH,CAb0D,CAqBvDC,CAAa,CAAG,SAASC,CAAT,CAAoB,IAChCC,CAAAA,CAAY,CAAGjB,CAAC,CAAC,4BAAD,CAAD,CAA8BkB,GAA9B,EADiB,CAEhCC,CAAS,CAAGnB,CAAC,CAAC,yBAAD,CAAD,CAA2BkB,GAA3B,EAFoB,CAKpCjB,CAAI,CAACmB,IAAL,CAAU,CACN,CAACC,UAAU,CAAE,qCAAb,CACEC,IAAI,CAAE,CAACC,SAAS,CAAEN,CAAZ,CAA0BO,MAAM,CAAEL,CAAlC,CAA6CH,SAAS,CAAEA,CAAxD,CADR,CAEEP,IAAI,CAAEH,CAFR,CAGEO,IAAI,CAAEV,CAAY,CAACW,SAHrB,CADM,CAAV,OAMH,CAhC0D,CAkCvDW,CAAQ,CAAG,IAlC4C,CA4CvDC,CAAY,CAAG,SAASC,CAAT,CAAmBC,CAAnB,CAA0B,CACzC,GAAiB,IAAb,GAAAH,CAAJ,CAAuB,CACnBI,MAAM,CAACC,YAAP,CAAoBL,CAApB,CACH,CAEDA,CAAQ,CAAGI,MAAM,CAACE,UAAP,CAAkB,UAAW,CACpCJ,CAAQ,GACRF,CAAQ,CAAG,IACd,CAHU,CAGRG,CAHQ,CAId,CArD0D,CAuDvDI,CAAa,CAAG,UAAW,CAC3BN,CAAY,CAACX,CAAa,CAACkB,IAAd,CAAmB,IAAnB,CAAyB5B,CAAM,CAAC6B,KAAhC,CAAD,CAAyC,GAAzC,CACf,CAzD0D,CA2D3DlC,CAAC,CAAC,kCAAD,CAAD,CAAoCmC,EAApC,CAAuC,QAAvC,CAAiD,4BAAjD,CAA6EH,CAA7E,EACAhC,CAAC,CAAC,kCAAD,CAAD,CAAoCmC,EAApC,CAAuC,OAAvC,CAAgD,yBAAhD,CAAyEH,CAAzE,EAEAjB,CAAa,CAACV,CAAM,CAAC6B,KAAR,CAAb,CACA,MAAO,EACV,CAjEK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module adds ajax search functions to the template library page.\n *\n * @module     tool_templatelibrary/search\n * @package    tool_templatelibrary\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/log', 'core/notification', 'core/templates', 'core/config'],\n       function($, ajax, log, notification, templates, config) {\n\n    /**\n     * The ajax call has returned with a new list of templates.\n     *\n     * @method reloadListTemplate\n     * @param {String[]} templateList List of template ids.\n     */\n    var reloadListTemplate = function(templateList) {\n        templates.render('tool_templatelibrary/search_results', {templates: templateList})\n            .done(function(result, js) {\n                templates.replaceNode($('[data-region=\"searchresults\"]'), result, js);\n            }).fail(notification.exception);\n    };\n\n    /**\n     * Get the current values for the form inputs and refresh the list of matching templates.\n     *\n     * @method refreshSearch\n     * @param {String} themename The naeme of the theme.\n     */\n    var refreshSearch = function(themename) {\n        var componentStr = $('[data-field=\"component\"]').val();\n        var searchStr = $('[data-field=\"search\"]').val();\n\n        // Trigger the search.\n        ajax.call([\n            {methodname: 'tool_templatelibrary_list_templates',\n              args: {component: componentStr, search: searchStr, themename: themename},\n              done: reloadListTemplate,\n              fail: notification.exception}\n        ], true, false);\n    };\n\n    var throttle = null;\n\n    /**\n     * Call the specified function after a delay. If this function is called again before the function is executed,\n     * the function will only be executed once.\n     *\n     * @method queueRefresh\n     * @param {function} callback\n     * @param {Number} delay The time in milliseconds to delay.\n     */\n    var queueRefresh = function(callback, delay) {\n        if (throttle !== null) {\n            window.clearTimeout(throttle);\n        }\n\n        throttle = window.setTimeout(function() {\n            callback();\n            throttle = null;\n        }, delay);\n    };\n\n    var changeHandler = function() {\n        queueRefresh(refreshSearch.bind(this, config.theme), 400);\n    };\n    // Add change handlers to refresh the list.\n    $('[data-region=\"list-templates\"]').on('change', '[data-field=\"component\"]', changeHandler);\n    $('[data-region=\"list-templates\"]').on('input', '[data-field=\"search\"]', changeHandler);\n\n    refreshSearch(config.theme);\n    return {};\n});\n"],"file":"search.min.js"}
\ No newline at end of file
+{"version":3,"file":"search.min.js","sources":["../src/search.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module adds ajax search functions to the template library page.\n *\n * @module     tool_templatelibrary/search\n * @package    tool_templatelibrary\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/log', 'core/notification', 'core/templates', 'core/config'],\n       function($, ajax, log, notification, templates, config) {\n\n    /**\n     * The ajax call has returned with a new list of templates.\n     *\n     * @method reloadListTemplate\n     * @param {String[]} templateList List of template ids.\n     */\n    var reloadListTemplate = function(templateList) {\n        templates.render('tool_templatelibrary/search_results', {templates: templateList})\n            .done(function(result, js) {\n                templates.replaceNode($('[data-region=\"searchresults\"]'), result, js);\n            }).fail(notification.exception);\n    };\n\n    /**\n     * Get the current values for the form inputs and refresh the list of matching templates.\n     *\n     * @method refreshSearch\n     * @param {String} themename The naeme of the theme.\n     */\n    var refreshSearch = function(themename) {\n        var componentStr = $('[data-field=\"component\"]').val();\n        var searchStr = $('[data-field=\"search\"]').val();\n\n        // Trigger the search.\n        ajax.call([\n            {methodname: 'tool_templatelibrary_list_templates',\n              args: {component: componentStr, search: searchStr, themename: themename},\n              done: reloadListTemplate,\n              fail: notification.exception}\n        ], true, false);\n    };\n\n    var throttle = null;\n\n    /**\n     * Call the specified function after a delay. If this function is called again before the function is executed,\n     * the function will only be executed once.\n     *\n     * @method queueRefresh\n     * @param {function} callback\n     * @param {Number} delay The time in milliseconds to delay.\n     */\n    var queueRefresh = function(callback, delay) {\n        if (throttle !== null) {\n            window.clearTimeout(throttle);\n        }\n\n        throttle = window.setTimeout(function() {\n            callback();\n            throttle = null;\n        }, delay);\n    };\n\n    var changeHandler = function() {\n        queueRefresh(refreshSearch.bind(this, config.theme), 400);\n    };\n    // Add change handlers to refresh the list.\n    $('[data-region=\"list-templates\"]').on('change', '[data-field=\"component\"]', changeHandler);\n    $('[data-region=\"list-templates\"]').on('input', '[data-field=\"search\"]', changeHandler);\n\n    refreshSearch(config.theme);\n    return {};\n});\n"],"names":["define","$","ajax","log","notification","templates","config","reloadListTemplate","templateList","render","done","result","js","replaceNode","fail","exception","refreshSearch","themename","componentStr","val","searchStr","call","methodname","args","component","search","throttle","changeHandler","callback","delay","bind","this","theme","window","clearTimeout","setTimeout","on"],"mappings":";;;;;;;;AAuBAA,qCAAO,CAAC,SAAU,YAAa,WAAY,oBAAqB,iBAAkB,gBAC3E,SAASC,EAAGC,KAAMC,IAAKC,aAAcC,UAAWC,YAQ/CC,mBAAqB,SAASC,cAC9BH,UAAUI,OAAO,sCAAuC,CAACJ,UAAWG,eAC/DE,MAAK,SAASC,OAAQC,IACnBP,UAAUQ,YAAYZ,EAAE,iCAAkCU,OAAQC,OACnEE,KAAKV,aAAaW,YASzBC,cAAgB,SAASC,eACrBC,aAAejB,EAAE,4BAA4BkB,MAC7CC,UAAYnB,EAAE,yBAAyBkB,MAG3CjB,KAAKmB,KAAK,CACN,CAACC,WAAY,sCACXC,KAAM,CAACC,UAAWN,aAAcO,OAAQL,UAAWH,UAAWA,WAC9DP,KAAMH,mBACNO,KAAMV,aAAaW,aACtB,GAAM,IAGTW,SAAW,KAqBXC,cAAgB,WAXD,IAASC,SAAUC,MAAVD,SAYXZ,cAAcc,KAAKC,KAAMzB,OAAO0B,OAZXH,MAYmB,IAXpC,OAAbH,UACAO,OAAOC,aAAaR,UAGxBA,SAAWO,OAAOE,YAAW,WACzBP,WACAF,SAAW,OACZG,eAOP5B,EAAE,kCAAkCmC,GAAG,SAAU,2BAA4BT,eAC7E1B,EAAE,kCAAkCmC,GAAG,QAAS,wBAAyBT,eAEzEX,cAAcV,OAAO0B,OACd"}
\ No newline at end of file
diff --git a/admin/tool/usertours/amd/build/managesteps.min.js b/admin/tool/usertours/amd/build/managesteps.min.js
index e585d632e5e..ecc2d2abb5e 100644
--- a/admin/tool/usertours/amd/build/managesteps.min.js
+++ b/admin/tool/usertours/amd/build/managesteps.min.js
@@ -1,2 +1,3 @@
-define ("tool_usertours/managesteps",["jquery","core/str","core/notification"],function(a,b,c){var d={removeStep:function removeStep(d){d.preventDefault();var e=a(d.currentTarget).attr("href");b.get_strings([{key:"confirmstepremovaltitle",component:"tool_usertours"},{key:"confirmstepremovalquestion",component:"tool_usertours"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).then(function(a){c.confirm(a[0],a[1],a[2],a[3],function(){window.location=e})}).catch()},setup:function setup(){a("body").delegate("[data-action=\"delete\"]","click",d.removeStep)}};return{setup:d.setup}});
-//# sourceMappingURL=managesteps.min.js.map
+define("tool_usertours/managesteps",["jquery","core/str","core/notification"],(function($,str,notification){var manager={removeStep:function(e){e.preventDefault();var targetUrl=$(e.currentTarget).attr("href");str.get_strings([{key:"confirmstepremovaltitle",component:"tool_usertours"},{key:"confirmstepremovalquestion",component:"tool_usertours"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).then((function(s){notification.confirm(s[0],s[1],s[2],s[3],(function(){window.location=targetUrl}))})).catch()},setup:function(){$("body").delegate('[data-action="delete"]',"click",manager.removeStep)}};return{setup:manager.setup}}));
+
+//# sourceMappingURL=managesteps.min.js.map
\ No newline at end of file
diff --git a/admin/tool/usertours/amd/build/managesteps.min.js.map b/admin/tool/usertours/amd/build/managesteps.min.js.map
index 84e5f29afe1..c1cd3aded76 100644
--- a/admin/tool/usertours/amd/build/managesteps.min.js.map
+++ b/admin/tool/usertours/amd/build/managesteps.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/managesteps.js"],"names":["define","$","str","notification","manager","removeStep","e","preventDefault","targetUrl","currentTarget","attr","get_strings","key","component","then","s","confirm","window","location","catch","setup","delegate"],"mappings":"AAQAA,OAAM,8BACN,CAAC,QAAD,CAAW,UAAX,CAAuB,mBAAvB,CADM,CAEN,SAASC,CAAT,CAAYC,CAAZ,CAAiBC,CAAjB,CAA+B,CAC3B,GAAIC,CAAAA,CAAO,CAAG,CAOVC,UAAU,CAAE,oBAASC,CAAT,CAAY,CACpBA,CAAC,CAACC,cAAF,GACA,GAAIC,CAAAA,CAAS,CAAGP,CAAC,CAACK,CAAC,CAACG,aAAH,CAAD,CAAmBC,IAAnB,CAAwB,MAAxB,CAAhB,CACAR,CAAG,CAACS,WAAJ,CAAgB,CACZ,CACIC,GAAG,CAAS,yBADhB,CAEIC,SAAS,CAAG,gBAFhB,CADY,CAKZ,CACID,GAAG,CAAS,4BADhB,CAEIC,SAAS,CAAG,gBAFhB,CALY,CASZ,CACID,GAAG,CAAS,KADhB,CAEIC,SAAS,CAAG,QAFhB,CATY,CAaZ,CACID,GAAG,CAAS,IADhB,CAEIC,SAAS,CAAG,QAFhB,CAbY,CAAhB,EAkBCC,IAlBD,CAkBM,SAASC,CAAT,CAAY,CACdZ,CAAY,CAACa,OAAb,CAAqBD,CAAC,CAAC,CAAD,CAAtB,CAA2BA,CAAC,CAAC,CAAD,CAA5B,CAAiCA,CAAC,CAAC,CAAD,CAAlC,CAAuCA,CAAC,CAAC,CAAD,CAAxC,CAA6C,UAAW,CACpDE,MAAM,CAACC,QAAP,CAAkBV,CACrB,CAFD,CAKH,CAxBD,EAyBCW,KAzBD,EA0BH,CApCS,CA2CVC,KAAK,CAAE,gBAAW,CAEdnB,CAAC,CAAC,MAAD,CAAD,CAAUoB,QAAV,CAAmB,0BAAnB,CAA6C,OAA7C,CAAsDjB,CAAO,CAACC,UAA9D,CACH,CA9CS,CAAd,CAiDA,MAAuD,CAMnDe,KAAK,CAAEhB,CAAO,CAACgB,KANoC,CAQ1D,CA5DK,CAAN","sourcesContent":["/**\n * Step management code.\n *\n * @module     tool_usertours/managesteps\n * @class      managesteps\n * @package    tool_usertours\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n */\ndefine(\n['jquery', 'core/str', 'core/notification'],\nfunction($, str, notification) {\n    var manager = {\n        /**\n         * Confirm removal of the specified step.\n         *\n         * @method  removeStep\n         * @param   {EventFacade}   e   The EventFacade\n         */\n        removeStep: function(e) {\n            e.preventDefault();\n            var targetUrl = $(e.currentTarget).attr('href');\n            str.get_strings([\n                {\n                    key:        'confirmstepremovaltitle',\n                    component:  'tool_usertours'\n                },\n                {\n                    key:        'confirmstepremovalquestion',\n                    component:  'tool_usertours'\n                },\n                {\n                    key:        'yes',\n                    component:  'moodle'\n                },\n                {\n                    key:        'no',\n                    component:  'moodle'\n                }\n            ])\n            .then(function(s) {\n                notification.confirm(s[0], s[1], s[2], s[3], function() {\n                    window.location = targetUrl;\n                });\n\n                return;\n            })\n            .catch();\n        },\n\n        /**\n         * Setup the step management UI.\n         *\n         * @method          setup\n         */\n        setup: function() {\n\n            $('body').delegate('[data-action=\"delete\"]', 'click', manager.removeStep);\n        }\n    };\n\n    return /** @alias module:tool_usertours/managesteps */ {\n        /**\n         * Setup the step management UI.\n         *\n         * @method          setup\n         */\n        setup: manager.setup\n    };\n});\n"],"file":"managesteps.min.js"}
\ No newline at end of file
+{"version":3,"file":"managesteps.min.js","sources":["../src/managesteps.js"],"sourcesContent":["/**\n * Step management code.\n *\n * @module     tool_usertours/managesteps\n * @class      managesteps\n * @package    tool_usertours\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n */\ndefine(\n['jquery', 'core/str', 'core/notification'],\nfunction($, str, notification) {\n    var manager = {\n        /**\n         * Confirm removal of the specified step.\n         *\n         * @method  removeStep\n         * @param   {EventFacade}   e   The EventFacade\n         */\n        removeStep: function(e) {\n            e.preventDefault();\n            var targetUrl = $(e.currentTarget).attr('href');\n            str.get_strings([\n                {\n                    key:        'confirmstepremovaltitle',\n                    component:  'tool_usertours'\n                },\n                {\n                    key:        'confirmstepremovalquestion',\n                    component:  'tool_usertours'\n                },\n                {\n                    key:        'yes',\n                    component:  'moodle'\n                },\n                {\n                    key:        'no',\n                    component:  'moodle'\n                }\n            ])\n            .then(function(s) {\n                notification.confirm(s[0], s[1], s[2], s[3], function() {\n                    window.location = targetUrl;\n                });\n\n                return;\n            })\n            .catch();\n        },\n\n        /**\n         * Setup the step management UI.\n         *\n         * @method          setup\n         */\n        setup: function() {\n\n            $('body').delegate('[data-action=\"delete\"]', 'click', manager.removeStep);\n        }\n    };\n\n    return /** @alias module:tool_usertours/managesteps */ {\n        /**\n         * Setup the step management UI.\n         *\n         * @method          setup\n         */\n        setup: manager.setup\n    };\n});\n"],"names":["define","$","str","notification","manager","removeStep","e","preventDefault","targetUrl","currentTarget","attr","get_strings","key","component","then","s","confirm","window","location","catch","setup","delegate"],"mappings":"AAQAA,oCACA,CAAC,SAAU,WAAY,sBACvB,SAASC,EAAGC,IAAKC,kBACTC,QAAU,CAOVC,WAAY,SAASC,GACjBA,EAAEC,qBACEC,UAAYP,EAAEK,EAAEG,eAAeC,KAAK,QACxCR,IAAIS,YAAY,CACZ,CACIC,IAAY,0BACZC,UAAY,kBAEhB,CACID,IAAY,6BACZC,UAAY,kBAEhB,CACID,IAAY,MACZC,UAAY,UAEhB,CACID,IAAY,KACZC,UAAY,YAGnBC,MAAK,SAASC,GACXZ,aAAaa,QAAQD,EAAE,GAAIA,EAAE,GAAIA,EAAE,GAAIA,EAAE,IAAI,WACzCE,OAAOC,SAAWV,gBAKzBW,SAQLC,MAAO,WAEHnB,EAAE,QAAQoB,SAAS,yBAA0B,QAASjB,QAAQC,oBAIf,CAMnDe,MAAOhB,QAAQgB"}
\ No newline at end of file
diff --git a/admin/tool/usertours/amd/build/managetours.min.js b/admin/tool/usertours/amd/build/managetours.min.js
index a1bd2e1c485..e8daa3a9647 100644
--- a/admin/tool/usertours/amd/build/managetours.min.js
+++ b/admin/tool/usertours/amd/build/managetours.min.js
@@ -1,2 +1,3 @@
-define ("tool_usertours/managetours",["jquery","core/ajax","core/str","core/notification"],function(a,b,c,d){var e={removeTour:function removeTour(b){b.preventDefault();var e=a(b.currentTarget).attr("href");c.get_strings([{key:"confirmtourremovaltitle",component:"tool_usertours"},{key:"confirmtourremovalquestion",component:"tool_usertours"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).then(function(a){d.confirm(a[0],a[1],a[2],a[3],function(){window.location=e})}).catch()},setup:function setup(){a("body").delegate("[data-action=\"delete\"]","click",e.removeTour)}};return{setup:e.setup}});
-//# sourceMappingURL=managetours.min.js.map
+define("tool_usertours/managetours",["jquery","core/ajax","core/str","core/notification"],(function($,ajax,str,notification){var manager={removeTour:function(e){e.preventDefault();var targetUrl=$(e.currentTarget).attr("href");str.get_strings([{key:"confirmtourremovaltitle",component:"tool_usertours"},{key:"confirmtourremovalquestion",component:"tool_usertours"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).then((function(s){notification.confirm(s[0],s[1],s[2],s[3],(function(){window.location=targetUrl}))})).catch()},setup:function(){$("body").delegate('[data-action="delete"]',"click",manager.removeTour)}};return{setup:manager.setup}}));
+
+//# sourceMappingURL=managetours.min.js.map
\ No newline at end of file
diff --git a/admin/tool/usertours/amd/build/managetours.min.js.map b/admin/tool/usertours/amd/build/managetours.min.js.map
index 6fa4688c4c8..dd64e14f230 100644
--- a/admin/tool/usertours/amd/build/managetours.min.js.map
+++ b/admin/tool/usertours/amd/build/managetours.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"managetours.min.js","sources":["../src/managetours.js"],"sourcesContent":["/**\n * Tour management code.\n *\n * @module     tool_usertours/managetours\n * @class      managetours\n * @package    tool_usertours\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n */\ndefine(\n['jquery', 'core/ajax', 'core/str', 'core/notification'],\nfunction($, ajax, str, notification) {\n    var manager = {\n        /**\n         * Confirm removal of the specified tour.\n         *\n         * @method  removeTour\n         * @param   {EventFacade}   e   The EventFacade\n         */\n        removeTour: function(e) {\n            e.preventDefault();\n            var targetUrl = $(e.currentTarget).attr('href');\n            str.get_strings([\n                {\n                    key:        'confirmtourremovaltitle',\n                    component:  'tool_usertours'\n                },\n                {\n                    key:        'confirmtourremovalquestion',\n                    component:  'tool_usertours'\n                },\n                {\n                    key:        'yes',\n                    component:  'moodle'\n                },\n                {\n                    key:        'no',\n                    component:  'moodle'\n                }\n            ])\n            .then(function(s) {\n                notification.confirm(s[0], s[1], s[2], s[3], function() {\n                    window.location = targetUrl;\n                });\n\n                return;\n            })\n            .catch();\n        },\n\n        /**\n         * Setup the tour management UI.\n         *\n         * @method          setup\n         */\n        setup: function() {\n            $('body').delegate('[data-action=\"delete\"]', 'click', manager.removeTour);\n        }\n    };\n\n    return /** @alias module:tool_usertours/managetours */ {\n        /**\n         * Setup the tour management UI.\n         *\n         * @method          setup\n         */\n        setup: manager.setup\n    };\n});\n"],"names":["define","$","ajax","str","notification","manager","removeTour","e","preventDefault","targetUrl","currentTarget","attr","get_strings","key","component","then","s","confirm","window","location","catch","setup","delegate"],"mappings":"AAQAA,oCACA,CAAC,SAAU,YAAa,WAAY,sBACpC,SAASC,EAAGC,KAAMC,IAAKC,kBACfC,QAAU,CAOVC,WAAY,SAASC,GACjBA,EAAEC,qBACEC,UAAYR,EAAEM,EAAEG,eAAeC,KAAK,QACxCR,IAAIS,YAAY,CACZ,CACIC,IAAY,0BACZC,UAAY,kBAEhB,CACID,IAAY,6BACZC,UAAY,kBAEhB,CACID,IAAY,MACZC,UAAY,UAEhB,CACID,IAAY,KACZC,UAAY,YAGnBC,MAAK,SAASC,GACXZ,aAAaa,QAAQD,EAAE,GAAIA,EAAE,GAAIA,EAAE,GAAIA,EAAE,IAAI,WACzCE,OAAOC,SAAWV,gBAKzBW,SAQLC,MAAO,WACHpB,EAAE,QAAQqB,SAAS,yBAA0B,QAASjB,QAAQC,oBAIf,CAMnDe,MAAOhB,QAAQgB"}
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diff --git a/admin/tool/usertours/amd/build/tour.min.js b/admin/tool/usertours/amd/build/tour.min.js
index e7ce9378a8a..fe61516a922 100644
--- a/admin/tool/usertours/amd/build/tour.min.js
+++ b/admin/tool/usertours/amd/build/tour.min.js
@@ -1,2 +1,3 @@
-define ("tool_usertours/tour",["exports","jquery","core/popper"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";return e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e(a)}function f(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function g(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function h(a,b,c){if(b)g(a.prototype,b);if(c)g(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var i=function(){function a(b){f(this,a);this.init(b)}h(a,[{key:"init",value:function init(a){this.eventHandlers={};this.reset();this.originalConfiguration=a||{};this.configure.apply(this,arguments);try{this.storage=window.sessionStorage;this.storageKey="tourstate_"+this.tourName}catch(a){this.storage=!1;this.storageKey=""}return this}},{key:"reset",value:function reset(){this.hide();this.eventHandlers=[];this.resetStepListeners();this.originalConfiguration={};this.steps=[];this.currentStepNumber=0;return this}},{key:"configure",value:function configure(a){var b=this;if("object"===e(a)){if("undefined"!=typeof a.tourName){this.tourName=a.tourName}if(a.eventHandlers){var c=function(c){a.eventHandlers[c].forEach(function(a){this.addEventHandler(c,a)},b)};for(var d in a.eventHandlers){c(d)}}this.resetStepDefaults(!0);if("object"===e(a.steps)){this.steps=a.steps}if("undefined"!=typeof a.template){this.templateContent=a.template}}this.checkMinimumRequirements();return this}},{key:"checkMinimumRequirements",value:function checkMinimumRequirements(){if(!this.tourName){throw new Error("Tour Name required")}if(!this.steps||!this.steps.length){throw new Error("Steps must be specified")}}},{key:"resetStepDefaults",value:function resetStepDefaults(a){if("undefined"==typeof a){a=!0}this.stepDefaults={};if(!a||"undefined"==typeof this.originalConfiguration.stepDefaults){this.setStepDefaults({})}else{this.setStepDefaults(this.originalConfiguration.stepDefaults)}return this}},{key:"setStepDefaults",value:function setStepDefaults(a){if(!this.stepDefaults){this.stepDefaults={}}b.default.extend(this.stepDefaults,{element:"",placement:"top",delay:0,moveOnClick:!1,moveAfterTime:0,orphan:!1,direction:1},a);return this}},{key:"getCurrentStepNumber",value:function getCurrentStepNumber(){return parseInt(this.currentStepNumber,10)}},{key:"setCurrentStepNumber",value:function 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isStepPotentiallyVisible(a){if(!a){return!1}if(this.isStepActuallyVisible(a)){return!0}if("undefined"!=typeof a.orphan&&a.orphan){return!0}if("undefined"!=typeof a.delay&&a.delay){return!0}return!1}},{key:"isStepActuallyVisible",value:function isStepActuallyVisible(a){if(!a){return!1}var b=this.getStepTarget(a);if(b&&b.length&&b.is(":visible")){return!!b.length}return!1}},{key:"next",value:function next(){return this.gotoStep(this.getNextStepNumber())}},{key:"previous",value:function previous(){return this.gotoStep(this.getPreviousStepNumber(),-1)}},{key:"gotoStep",value:function gotoStep(a,b){if(0>a){return this.endTour()}var c=this.getStepConfig(a);if(null===c){return this.endTour()}return this._gotoStep(c,b)}},{key:"_gotoStep",value:function _gotoStep(a,b){if(!a){return this.endTour()}if("undefined"!=typeof a.delay&&a.delay&&!a.delayed){a.delayed=!0;window.setTimeout(this._gotoStep.bind(this),a.delay,a,b);return this}else if(!a.orphan&&!this.isStepActuallyVisible(a)){var c=-1==b?"getPreviousStepNumber":"getNextStepNumber";return this.gotoStep(this[c](a.stepNumber),b)}this.hide();this.fireEventHandlers("beforeRender",a);this.renderStep(a);this.fireEventHandlers("afterRender",a);return this}},{key:"getStepConfig",value:function getStepConfig(a){if(null===a||0>a||a>=this.steps.length){return null}var c=this.normalizeStepConfig(this.steps[a]);c=b.default.extend(c,{stepNumber:a});return c}},{key:"normalizeStepConfig",value:function normalizeStepConfig(a){if("undefined"!=typeof a.reflex&&"undefined"==typeof a.moveAfterClick){a.moveAfterClick=a.reflex}if("undefined"!=typeof a.element&&"undefined"==typeof a.target){a.target=a.element}if("undefined"!=typeof a.content&&"undefined"==typeof a.body){a.body=a.content}a=b.default.extend({},this.stepDefaults,a);a=b.default.extend({},{attachTo:a.target,attachPoint:"after"},a);if(a.attachTo){a.attachTo=(0,b.default)(a.attachTo).first()}return a}},{key:"getStepTarget",value:function getStepTarget(a){if(a.target){return(0,b.default)(a.target)}return null}},{key:"fireEventHandlers",value:function fireEventHandlers(a,b){if("undefined"==typeof this.eventHandlers[a]){return this}this.eventHandlers[a].forEach(function(a){a.call(this,b)},this);return this}},{key:"addEventHandler",value:function addEventHandler(a,b){if("undefined"==typeof this.eventHandlers[a]){this.eventHandlers[a]=[]}this.eventHandlers[a].push(b);return this}},{key:"processStepListeners",value:function processStepListeners(a){this.listeners.push({node:this.currentStepNode,args:["click","[data-role=\"next\"]",b.default.proxy(this.next,this)]},{node:this.currentStepNode,args:["click","[data-role=\"previous\"]",b.default.proxy(this.previous,this)]},{node:this.currentStepNode,args:["click","[data-role=\"end\"]",b.default.proxy(this.endTour,this)]},{node:(0,b.default)("[data-flexitour=\"backdrop\"]"),args:["click",b.default.proxy(this.hide,this)]},{node:(0,b.default)("body"),args:["keydown",b.default.proxy(this.handleKeyDown,this)]});if(a.moveOnClick){var c=this.getStepTarget(a);this.listeners.push({node:c,args:["click",b.default.proxy(function(a){if(0===(0,b.default)(a.target).parents("[data-flexitour=\"container\"]").length){window.setTimeout(b.default.proxy(this.next,this),500)}},this)]})}this.listeners.forEach(function(a){a.node.on.apply(a.node,a.args)});return this}},{key:"resetStepListeners",value:function resetStepListeners(){if(this.listeners){this.listeners.forEach(function(a){a.node.off.apply(a.node,a.args)})}this.listeners=[];return this}},{key:"renderStep",value:function renderStep(a){this.currentStepConfig=a;this.setCurrentStepNumber(a.stepNumber);var c=(0,b.default)(this.getTemplateContent());c.find("[data-placeholder=\"title\"]").html(a.title);c.find("[data-placeholder=\"body\"]").html(a.body);if(this.isFirstStep(a.stepNumber)){c.find("[data-role=\"previous\"]").hide()}else{c.find("[data-role=\"previous\"]").prop("disabled",!1)}if(this.isLastStep(a.stepNumber)){c.find("[data-role=\"next\"]").hide();c.find("[data-role=\"end\"]").removeClass("btn-secondary").addClass("btn-primary")}else{c.find("[data-role=\"next\"]").prop("disabled",!1)}c.find("[data-role=\"previous\"]").attr("role","button");c.find("[data-role=\"next\"]").attr("role","button");c.find("[data-role=\"end\"]").attr("role","button");a.template=c;this.addStepToPage(a);this.processStepListeners(a);return this}},{key:"getTemplateContent",value:function getTemplateContent(){return(0,b.default)(this.templateContent).clone()}},{key:"addStepToPage",value:function addStepToPage(a){var d=(0,b.default)("<span data-flexitour=\"container\"></span>").html(a.template).hide(),e=(0,b.default)("body, html").stop(!0,!0);if(this.isStepActuallyVisible(a)){var f=this.getStepTarget(a);f.data("flexitour","target");var g=this.calculateZIndex(f);if(g){a.zIndex=g+1}if(a.zIndex){d.css("zIndex",a.zIndex+1)}this.positionBackdrop(a);(0,b.default)(document.body).append(d);this.currentStepNode=d;this.currentStepNode.css({top:0,left:0});e.animate({scrollTop:this.calculateScrollTop(a)}).promise().then(function(){this.positionStep(a);this.revealStep(a)}.bind(this)).catch(function(){})}else if(a.orphan){a.isOrphan=!0;a.attachTo=(0,b.default)("body").first();a.attachPoint="append";this.positionBackdrop(a);d.addClass("orphan");(0,b.default)(document.body).append(d);this.currentStepNode=d;this.currentStepNode.offset(this.calculateStepPositionInPage());this.currentStepNode.css("position","fixed");this.currentStepPopper=new c.default((0,b.default)("body"),this.currentStepNode[0],{removeOnDestroy:!0,placement:a.placement+"-start",arrowElement:"[data-role=\"arrow\"]",modifiers:{hide:{enabled:!1},applyStyle:{onLoad:null,enabled:!1}}});this.revealStep(a)}return this}},{key:"revealStep",value:function revealStep(a){this.currentStepNode.fadeIn("",b.default.proxy(function(){this.announceStep(a);this.currentStepNode.focus();window.setTimeout(b.default.proxy(function(){if(this.currentStepNode){this.currentStepNode.focus()}},this),100)},this));return this}},{key:"announceStep",value:function announceStep(a){var b="tour-step-"+this.tourName+"-"+a.stepNumber;this.currentStepNode.attr("id",b);var c=this.currentStepNode.find("[data-placeholder=\"body\"]").first();c.attr("id",b+"-body");c.attr("role","document");var d=this.currentStepNode.find("[data-placeholder=\"title\"]").first();d.attr("id",b+"-title");d.attr("aria-labelledby",b+"-body");this.currentStepNode.attr("role","dialog");this.currentStepNode.attr("tabindex",0);this.currentStepNode.attr("aria-labelledby",b+"-title");this.currentStepNode.attr("aria-describedby",b+"-body");var e=this.getStepTarget(a);if(e){if(!e.attr("tabindex")){e.attr("tabindex",0)}e.data("original-describedby",e.attr("aria-describedby")).attr("aria-describedby",b+"-body")}this.accessibilityShow(a);return this}},{key:"handleKeyDown",value:function handleKeyDown(a){var c="a[href], link[href], [draggable=true], [contenteditable=true], ";c+=":input:enabled, [tabindex], button:enabled";switch(a.keyCode){case 27:this.endTour();break;case 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d=this.currentStepNode;if(!d||!d.length){return this}var e;switch(a.placement){case"left":e=["left","right","top","bottom"];break;case"right":e=["right","left","top","bottom"];break;case"top":e=["top","bottom","right","left"];break;case"bottom":e=["bottom","top","right","left"];break;default:e="flip";break;}var f=this.getStepTarget(a),g={placement:a.placement+"-start",removeOnDestroy:!0,modifiers:{flip:{behaviour:e},arrow:{element:"[data-role=\"arrow\"]"}},onCreate:function onCreate(a){h(a)},onUpdate:function onUpdate(a){h(a)}},h=function(a){var c=a.placement.split("-")[0],d=-1!==["left","right"].indexOf(c),e=a.instance.popper.querySelector("[data-role=\"arrow\"]"),f=(0,b.default)(a.instance.popper.querySelector("[data-role=\"flexitour-step\"]"));if(d){var g=parseFloat(window.getComputedStyle(e).height),h=parseFloat(window.getComputedStyle(e).top),i=parseFloat(window.getComputedStyle(a.instance.popper).height),j=parseFloat(window.getComputedStyle(a.instance.popper).top),k=parseFloat(f.css("borderTopWidth")),l=2*parseFloat(f.css("borderTopLeftRadius")),m=h+g/2,n=i+j-k-l,o=j+k+l;if(m>=n||m<=o){var y=0;if(m>i/2){y=n-g}else{y=o+g}(0,b.default)(e).css("top",y)}}else{var p=parseFloat(window.getComputedStyle(e).width),q=parseFloat(window.getComputedStyle(e).left),r=parseFloat(window.getComputedStyle(a.instance.popper).width),s=parseFloat(window.getComputedStyle(a.instance.popper).left),t=parseFloat(f.css("borderTopWidth")),u=2*parseFloat(f.css("borderTopLeftRadius")),v=q+p/2,w=r+s-t-u,x=s+t+u;if(v>=w||v<=x){var z=0;if(v>r/2){z=w-p}else{z=x+p}(0,b.default)(e).css("left",z)}}},i=(0,b.default)("[data-flexitour=\"step-background\"]");if(i.length){f=i}this.currentStepPopper=new c.default(f,d[0],g);return this}},{key:"positionBackdrop",value:function positionBackdrop(a){if(a.backdrop){this.currentStepConfig.hasBackdrop=!0;var g=(0,b.default)("<div data-flexitour=\"backdrop\"></div>");if(a.zIndex){if("append"===a.attachPoint){a.attachTo.append(g)}else{g.insertAfter(a.attachTo)}}else{(0,b.default)("body").append(g)}if(this.isStepActuallyVisible(a)){var c=(0,b.default)("<div data-flexitour=\"step-background\"></div>"),d=this.getStepTarget(a),e=10,f=d;if(e){f=(0,b.default)("body")}c.css({width:d.outerWidth()+e+e,height:d.outerHeight()+e+e,left:d.offset().left-e,top:d.offset().top-e,backgroundColor:this.calculateInherittedBackgroundColor(f)});if(d.offset().left<e){c.css({width:d.outerWidth()+d.offset().left+e,left:d.offset().left})}if(d.offset().top<e){c.css({height:d.outerHeight()+d.offset().top+e,top:d.offset().top})}var h=d.css("borderRadius");if(h&&h!==(0,b.default)("body").css("borderRadius")){c.css("borderRadius",h)}var i=this.calculatePosition(d);if("fixed"===i){c.css("top",0)}else if("absolute"===i){c.css("position","fixed")}var j=c.clone();j.css({backgroundColor:g.css("backgroundColor"),opacity:g.css("opacity")});j.attr("data-flexitour","step-background-fader");if(a.zIndex){if("append"===a.attachPoint){a.attachTo.append(c)}else{j.insertAfter(a.attachTo);c.insertAfter(a.attachTo)}}else{(0,b.default)("body").append(j);(0,b.default)("body").append(c)}d.attr("data-flexitour","step-backdrop");if(a.zIndex){g.css("zIndex",a.zIndex);c.css("zIndex",a.zIndex+1);d.css("zIndex",a.zIndex+2)}j.fadeOut("2000",function(){(0,b.default)(this).remove()})}}return this}},{key:"calculateZIndex",value:function calculateZIndex(a){a=(0,b.default)(a);while(a.length&&a[0]!==document){var c=a.css("position");if("absolute"===c||"relative"===c||"fixed"===c){var d=parseInt(a.css("zIndex"),10);if(!isNaN(d)&&0!==d){return d}}a=a.parent()}return 0}},{key:"calculateInherittedBackgroundColor",value:function calculateInherittedBackgroundColor(a){var c=(0,b.default)("<div>").hide();(0,b.default)("body").append(c);var d=c.css("backgroundColor");c.remove();a=(0,b.default)(a);while(a.length&&a[0]!==document){var e=a.css("backgroundColor");if(e!==d){return e}a=a.parent()}return null}},{key:"calculatePosition",value:function calculatePosition(a){a=(0,b.default)(a);while(a.length&&a[0]!==document){var c=a.css("position");if("static"!==c){return c}a=a.parent()}return null}},{key:"accessibilityShow",value:function accessibilityShow(){var a="aria-hidden",c=function(b){var c=b.data("flexitour");if(c){switch(c){case"container":case"target":return;}}var d=b.attr(a);if(!d){b.attr("data-has-hidden",!0);b.attr(a,!0)}};this.currentStepNode.siblings().each(function(a,d){c((0,b.default)(d))});this.currentStepNode.parentsUntil("body").siblings().each(function(a,d){c((0,b.default)(d))})}},{key:"accessibilityHide",value:function accessibilityHide(){var a=function(a){var b=a.attr("data-has-hidden");if("undefined"!=typeof b){a.removeAttr("data-has-hidden");a.removeAttr("aria-hidden")}};(0,b.default)("[data-has-hidden]").each(function(c,d){a((0,b.default)(d))})}}]);return a}();a.default=i;return a.default});
-//# sourceMappingURL=tour.min.js.map
+define("tool_usertours/tour",["exports","jquery","core/popper"],(function(_exports,_jquery,_popper){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_popper=_interopRequireDefault(_popper);var Tour=function(){function Tour(config){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Tour),this.init(config)}var Constructor,protoProps,staticProps;return Constructor=Tour,protoProps=[{key:"init",value:function(config){this.eventHandlers={},this.reset(),this.originalConfiguration=config||{},this.configure.apply(this,arguments);try{this.storage=window.sessionStorage,this.storageKey="tourstate_"+this.tourName}catch(e){this.storage=!1,this.storageKey=""}return this}},{key:"reset",value:function(){return this.hide(),this.eventHandlers=[],this.resetStepListeners(),this.originalConfiguration={},this.steps=[],this.currentStepNumber=0,this}},{key:"configure",value:function(config){var _this=this;if("object"===_typeof(config)){if(void 0!==config.tourName&&(this.tourName=config.tourName),config.eventHandlers){var _loop=function(eventName){config.eventHandlers[eventName].forEach((function(handler){this.addEventHandler(eventName,handler)}),_this)};for(var eventName in config.eventHandlers)_loop(eventName)}this.resetStepDefaults(!0),"object"===_typeof(config.steps)&&(this.steps=config.steps),void 0!==config.template&&(this.templateContent=config.template)}return this.checkMinimumRequirements(),this}},{key:"checkMinimumRequirements",value:function(){if(!this.tourName)throw new Error("Tour Name required");if(!this.steps||!this.steps.length)throw new Error("Steps must be specified")}},{key:"resetStepDefaults",value:function(loadOriginalConfiguration){return void 0===loadOriginalConfiguration&&(loadOriginalConfiguration=!0),this.stepDefaults={},loadOriginalConfiguration&&void 0!==this.originalConfiguration.stepDefaults?this.setStepDefaults(this.originalConfiguration.stepDefaults):this.setStepDefaults({}),this}},{key:"setStepDefaults",value:function(stepDefaults){return this.stepDefaults||(this.stepDefaults={}),_jquery.default.extend(this.stepDefaults,{element:"",placement:"top",delay:0,moveOnClick:!1,moveAfterTime:0,orphan:!1,direction:1},stepDefaults),this}},{key:"getCurrentStepNumber",value:function(){return parseInt(this.currentStepNumber,10)}},{key:"setCurrentStepNumber",value:function(stepNumber){if(this.currentStepNumber=stepNumber,this.storage)try{this.storage.setItem(this.storageKey,stepNumber)}catch(e){e.code===DOMException.QUOTA_EXCEEDED_ERR&&this.storage.removeItem(this.storageKey)}}},{key:"getNextStepNumber",value:function(stepNumber){void 0===stepNumber&&(stepNumber=this.getCurrentStepNumber());for(var nextStepNumber=stepNumber+1;nextStepNumber<=this.steps.length;){if(this.isStepPotentiallyVisible(this.getStepConfig(nextStepNumber)))return nextStepNumber;nextStepNumber++}return null}},{key:"getPreviousStepNumber",value:function(stepNumber){void 0===stepNumber&&(stepNumber=this.getCurrentStepNumber());for(var previousStepNumber=stepNumber-1;previousStepNumber>=0;){if(this.isStepPotentiallyVisible(this.getStepConfig(previousStepNumber)))return previousStepNumber;previousStepNumber--}return null}},{key:"isLastStep",value:function(stepNumber){return null===this.getNextStepNumber(stepNumber)}},{key:"isFirstStep",value:function(stepNumber){return null===this.getPreviousStepNumber(stepNumber)}},{key:"isStepPotentiallyVisible",value:function(stepConfig){return!!(stepConfig&&(this.isStepActuallyVisible(stepConfig)||void 0!==stepConfig.orphan&&stepConfig.orphan||void 0!==stepConfig.delay&&stepConfig.delay))}},{key:"isStepActuallyVisible",value:function(stepConfig){if(!stepConfig)return!1;var target=this.getStepTarget(stepConfig);return!!(target&&target.length&&target.is(":visible"))&&!!target.length}},{key:"next",value:function(){return this.gotoStep(this.getNextStepNumber())}},{key:"previous",value:function(){return this.gotoStep(this.getPreviousStepNumber(),-1)}},{key:"gotoStep",value:function(stepNumber,direction){if(stepNumber<0)return this.endTour();var stepConfig=this.getStepConfig(stepNumber);return null===stepConfig?this.endTour():this._gotoStep(stepConfig,direction)}},{key:"_gotoStep",value:function(stepConfig,direction){if(!stepConfig)return this.endTour();if(void 0!==stepConfig.delay&&stepConfig.delay&&!stepConfig.delayed)return stepConfig.delayed=!0,window.setTimeout(this._gotoStep.bind(this),stepConfig.delay,stepConfig,direction),this;if(!stepConfig.orphan&&!this.isStepActuallyVisible(stepConfig)){var fn=-1==direction?"getPreviousStepNumber":"getNextStepNumber";return this.gotoStep(this[fn](stepConfig.stepNumber),direction)}return this.hide(),this.fireEventHandlers("beforeRender",stepConfig),this.renderStep(stepConfig),this.fireEventHandlers("afterRender",stepConfig),this}},{key:"getStepConfig",value:function(stepNumber){if(null===stepNumber||stepNumber<0||stepNumber>=this.steps.length)return null;var stepConfig=this.normalizeStepConfig(this.steps[stepNumber]);return stepConfig=_jquery.default.extend(stepConfig,{stepNumber:stepNumber})}},{key:"normalizeStepConfig",value:function(stepConfig){return void 0!==stepConfig.reflex&&void 0===stepConfig.moveAfterClick&&(stepConfig.moveAfterClick=stepConfig.reflex),void 0!==stepConfig.element&&void 0===stepConfig.target&&(stepConfig.target=stepConfig.element),void 0!==stepConfig.content&&void 0===stepConfig.body&&(stepConfig.body=stepConfig.content),stepConfig=_jquery.default.extend({},this.stepDefaults,stepConfig),(stepConfig=_jquery.default.extend({},{attachTo:stepConfig.target,attachPoint:"after"},stepConfig)).attachTo&&(stepConfig.attachTo=(0,_jquery.default)(stepConfig.attachTo).first()),stepConfig}},{key:"getStepTarget",value:function(stepConfig){return stepConfig.target?(0,_jquery.default)(stepConfig.target):null}},{key:"fireEventHandlers",value:function(eventName,data){return void 0===this.eventHandlers[eventName]||this.eventHandlers[eventName].forEach((function(thisEvent){thisEvent.call(this,data)}),this),this}},{key:"addEventHandler",value:function(eventName,handler){return void 0===this.eventHandlers[eventName]&&(this.eventHandlers[eventName]=[]),this.eventHandlers[eventName].push(handler),this}},{key:"processStepListeners",value:function(stepConfig){if(this.listeners.push({node:this.currentStepNode,args:["click",'[data-role="next"]',_jquery.default.proxy(this.next,this)]},{node:this.currentStepNode,args:["click",'[data-role="previous"]',_jquery.default.proxy(this.previous,this)]},{node:this.currentStepNode,args:["click",'[data-role="end"]',_jquery.default.proxy(this.endTour,this)]},{node:(0,_jquery.default)('[data-flexitour="backdrop"]'),args:["click",_jquery.default.proxy(this.hide,this)]},{node:(0,_jquery.default)("body"),args:["keydown",_jquery.default.proxy(this.handleKeyDown,this)]}),stepConfig.moveOnClick){var targetNode=this.getStepTarget(stepConfig);this.listeners.push({node:targetNode,args:["click",_jquery.default.proxy((function(e){0===(0,_jquery.default)(e.target).parents('[data-flexitour="container"]').length&&window.setTimeout(_jquery.default.proxy(this.next,this),500)}),this)]})}return this.listeners.forEach((function(listener){listener.node.on.apply(listener.node,listener.args)})),this}},{key:"resetStepListeners",value:function(){return this.listeners&&this.listeners.forEach((function(listener){listener.node.off.apply(listener.node,listener.args)})),this.listeners=[],this}},{key:"renderStep",value:function(stepConfig){this.currentStepConfig=stepConfig,this.setCurrentStepNumber(stepConfig.stepNumber);var template=(0,_jquery.default)(this.getTemplateContent());return template.find('[data-placeholder="title"]').html(stepConfig.title),template.find('[data-placeholder="body"]').html(stepConfig.body),this.isFirstStep(stepConfig.stepNumber)?template.find('[data-role="previous"]').hide():template.find('[data-role="previous"]').prop("disabled",!1),this.isLastStep(stepConfig.stepNumber)?(template.find('[data-role="next"]').hide(),template.find('[data-role="end"]').removeClass("btn-secondary").addClass("btn-primary")):template.find('[data-role="next"]').prop("disabled",!1),template.find('[data-role="previous"]').attr("role","button"),template.find('[data-role="next"]').attr("role","button"),template.find('[data-role="end"]').attr("role","button"),stepConfig.template=template,this.addStepToPage(stepConfig),this.processStepListeners(stepConfig),this}},{key:"getTemplateContent",value:function(){return(0,_jquery.default)(this.templateContent).clone()}},{key:"addStepToPage",value:function(stepConfig){var currentStepNode=(0,_jquery.default)('<span data-flexitour="container"></span>').html(stepConfig.template).hide(),animationTarget=(0,_jquery.default)("body, html").stop(!0,!0);if(this.isStepActuallyVisible(stepConfig)){var targetNode=this.getStepTarget(stepConfig);targetNode.data("flexitour","target");var zIndex=this.calculateZIndex(targetNode);zIndex&&(stepConfig.zIndex=zIndex+1),stepConfig.zIndex&&currentStepNode.css("zIndex",stepConfig.zIndex+1),this.positionBackdrop(stepConfig),(0,_jquery.default)(document.body).append(currentStepNode),this.currentStepNode=currentStepNode,this.currentStepNode.css({top:0,left:0}),animationTarget.animate({scrollTop:this.calculateScrollTop(stepConfig)}).promise().then(function(){this.positionStep(stepConfig),this.revealStep(stepConfig)}.bind(this)).catch((function(){}))}else stepConfig.orphan&&(stepConfig.isOrphan=!0,stepConfig.attachTo=(0,_jquery.default)("body").first(),stepConfig.attachPoint="append",this.positionBackdrop(stepConfig),currentStepNode.addClass("orphan"),(0,_jquery.default)(document.body).append(currentStepNode),this.currentStepNode=currentStepNode,this.currentStepNode.offset(this.calculateStepPositionInPage()),this.currentStepNode.css("position","fixed"),this.currentStepPopper=new _popper.default((0,_jquery.default)("body"),this.currentStepNode[0],{removeOnDestroy:!0,placement:stepConfig.placement+"-start",arrowElement:'[data-role="arrow"]',modifiers:{hide:{enabled:!1},applyStyle:{onLoad:null,enabled:!1}}}),this.revealStep(stepConfig));return this}},{key:"revealStep",value:function(stepConfig){return this.currentStepNode.fadeIn("",_jquery.default.proxy((function(){this.announceStep(stepConfig),this.currentStepNode.focus(),window.setTimeout(_jquery.default.proxy((function(){this.currentStepNode&&this.currentStepNode.focus()}),this),100)}),this)),this}},{key:"announceStep",value:function(stepConfig){var stepId="tour-step-"+this.tourName+"-"+stepConfig.stepNumber;this.currentStepNode.attr("id",stepId);var bodyRegion=this.currentStepNode.find('[data-placeholder="body"]').first();bodyRegion.attr("id",stepId+"-body"),bodyRegion.attr("role","document");var headerRegion=this.currentStepNode.find('[data-placeholder="title"]').first();headerRegion.attr("id",stepId+"-title"),headerRegion.attr("aria-labelledby",stepId+"-body"),this.currentStepNode.attr("role","dialog"),this.currentStepNode.attr("tabindex",0),this.currentStepNode.attr("aria-labelledby",stepId+"-title"),this.currentStepNode.attr("aria-describedby",stepId+"-body");var target=this.getStepTarget(stepConfig);return target&&(target.attr("tabindex")||target.attr("tabindex",0),target.data("original-describedby",target.attr("aria-describedby")).attr("aria-describedby",stepId+"-body")),this.accessibilityShow(stepConfig),this}},{key:"handleKeyDown",value:function(e){var tabbableSelector="a[href], link[href], [draggable=true], [contenteditable=true], ";switch(tabbableSelector+=":input:enabled, [tabindex], button:enabled",e.keyCode){case 27:this.endTour();break;case 9:(function(){if(this.currentStepConfig.hasBackdrop){var currentIndex,nextIndex,nextNode,focusRelevant,activeElement=(0,_jquery.default)(document.activeElement),stepTarget=this.getStepTarget(this.currentStepConfig),tabbableNodes=(0,_jquery.default)(tabbableSelector),dialogContainer=(0,_jquery.default)('span[data-flexitour="container"]');if(stepTarget&&(tabbableNodes=tabbableNodes.filter((function(index,element){return null!==stepTarget&&(stepTarget.has(element).length||dialogContainer.has(element).length||stepTarget.is(element)||dialogContainer.is(element))}))),tabbableNodes.each((function(index,element){return!activeElement.is(element)||(currentIndex=index,!1)})),null!=currentIndex){var direction=1;e.shiftKey&&(direction=-1),nextIndex=currentIndex;do{nextIndex+=direction,nextNode=(0,_jquery.default)(tabbableNodes[nextIndex])}while(nextNode.length&&nextNode.is(":disabled")||nextNode.is(":hidden"));focusRelevant=!!nextNode.length&&((focusRelevant=nextNode.closest(stepTarget).length)||nextNode.closest(this.currentStepNode).length)}focusRelevant?nextNode.focus():e.shiftKey?this.currentStepNode.find(tabbableSelector).last().focus():this.currentStepConfig.isOrphan?this.currentStepNode.focus():stepTarget.focus(),e.preventDefault()}}).call(this)}}},{key:"startTour",value:function(startAt){if(this.storage&&void 0===startAt){var storageStartValue=this.storage.getItem(this.storageKey);if(storageStartValue){var storageStartAt=parseInt(storageStartValue,10);storageStartAt<=this.steps.length&&(startAt=storageStartAt)}}return void 0===startAt&&(startAt=this.getCurrentStepNumber()),this.fireEventHandlers("beforeStart",startAt),this.gotoStep(startAt),this.fireEventHandlers("afterStart",startAt),this}},{key:"restartTour",value:function(){return this.startTour(0)}},{key:"endTour",value:function(){if(this.fireEventHandlers("beforeEnd"),this.currentStepConfig){var previousTarget=this.getStepTarget(this.currentStepConfig);previousTarget&&(previousTarget.attr("tabindex")||previousTarget.attr("tabindex","-1"),previousTarget.focus())}return this.hide(!0),this.fireEventHandlers("afterEnd"),this}},{key:"hide",value:function(transition){if(this.fireEventHandlers("beforeHide"),this.currentStepNode&&this.currentStepNode.length&&(this.currentStepNode.hide(),this.currentStepPopper&&this.currentStepPopper.destroy()),this.currentStepConfig){var target=this.getStepTarget(this.currentStepConfig);target&&(target.data("original-labelledby")&&target.attr("aria-labelledby",target.data("original-labelledby")),target.data("original-describedby")&&target.attr("aria-describedby",target.data("original-describedby")),target.data("original-tabindex")&&target.attr("tabindex",target.data("tabindex"))),this.currentStepConfig=null}var fadeTime=0;if(transition&&(fadeTime=400),(0,_jquery.default)('[data-flexitour="step-background"]').remove(),(0,_jquery.default)('[data-flexitour="step-backdrop"]').removeAttr("data-flexitour"),(0,_jquery.default)('[data-flexitour="backdrop"]').fadeOut(fadeTime,(function(){(0,_jquery.default)(this).remove()})),this.currentStepNode&&this.currentStepNode.length){var stepId=this.currentStepNode.attr("id");if(stepId){var currentStepElement='[aria-describedby="'+stepId+'-body"]';(0,_jquery.default)(currentStepElement).removeAttr("tabindex"),(0,_jquery.default)(currentStepElement).removeAttr("aria-describedby")}}return this.resetStepListeners(),this.accessibilityHide(),this.fireEventHandlers("afterHide"),this.currentStepNode=null,this.currentStepPopper=null,this}},{key:"show",value:function(){var startAt=this.getCurrentStepNumber();return this.gotoStep(startAt)}},{key:"getStepContainer",value:function(){return(0,_jquery.default)(this.currentStepNode)}},{key:"calculateScrollTop",value:function(stepConfig){var scrollTop=(0,_jquery.default)(window).scrollTop(),viewportHeight=(0,_jquery.default)(window).height(),targetNode=this.getStepTarget(stepConfig);return scrollTop="top"===stepConfig.placement?targetNode.offset().top-viewportHeight/2:"bottom"===stepConfig.placement?targetNode.offset().top+targetNode.height()-viewportHeight/2:targetNode.height()<=.8*viewportHeight?targetNode.offset().top-(viewportHeight-targetNode.height())/2:targetNode.offset().top-.2*viewportHeight,scrollTop=Math.max(0,scrollTop),scrollTop=Math.min((0,_jquery.default)(document).height()-viewportHeight,scrollTop),Math.ceil(scrollTop)}},{key:"calculateStepPositionInPage",value:function(){var viewportHeight=(0,_jquery.default)(window).height(),stepHeight=this.currentStepNode.height(),viewportWidth=(0,_jquery.default)(window).width(),stepWidth=this.currentStepNode.width();return{top:Math.ceil((viewportHeight-stepHeight)/2),left:Math.ceil((viewportWidth-stepWidth)/2)}}},{key:"positionStep",value:function(stepConfig){var flipBehavior,content=this.currentStepNode;if(!content||!content.length)return this;switch(stepConfig.placement){case"left":flipBehavior=["left","right","top","bottom"];break;case"right":flipBehavior=["right","left","top","bottom"];break;case"top":flipBehavior=["top","bottom","right","left"];break;case"bottom":flipBehavior=["bottom","top","right","left"];break;default:flipBehavior="flip"}var target=this.getStepTarget(stepConfig),config={placement:stepConfig.placement+"-start",removeOnDestroy:!0,modifiers:{flip:{behaviour:flipBehavior},arrow:{element:'[data-role="arrow"]'}},onCreate:function(data){recalculateArrowPosition(data)},onUpdate:function(data){recalculateArrowPosition(data)}},recalculateArrowPosition=function(data){var placement=data.placement.split("-")[0],isVertical=-1!==["left","right"].indexOf(placement),arrowElement=data.instance.popper.querySelector('[data-role="arrow"]'),stepElement=(0,_jquery.default)(data.instance.popper.querySelector('[data-role="flexitour-step"]'));if(isVertical){var arrowHeight=parseFloat(window.getComputedStyle(arrowElement).height),arrowOffset=parseFloat(window.getComputedStyle(arrowElement).top),popperHeight=parseFloat(window.getComputedStyle(data.instance.popper).height),popperOffset=parseFloat(window.getComputedStyle(data.instance.popper).top),popperBorderWidth=parseFloat(stepElement.css("borderTopWidth")),popperBorderRadiusWidth=2*parseFloat(stepElement.css("borderTopLeftRadius")),arrowPos=arrowOffset+arrowHeight/2,maxPos=popperHeight+popperOffset-popperBorderWidth-popperBorderRadiusWidth,minPos=popperOffset+popperBorderWidth+popperBorderRadiusWidth;if(arrowPos>=maxPos||arrowPos<=minPos){var newArrowPos=0;newArrowPos=arrowPos>popperHeight/2?maxPos-arrowHeight:minPos+arrowHeight,(0,_jquery.default)(arrowElement).css("top",newArrowPos)}}else{var arrowWidth=parseFloat(window.getComputedStyle(arrowElement).width),_arrowOffset=parseFloat(window.getComputedStyle(arrowElement).left),popperWidth=parseFloat(window.getComputedStyle(data.instance.popper).width),_popperOffset=parseFloat(window.getComputedStyle(data.instance.popper).left),_popperBorderWidth=parseFloat(stepElement.css("borderTopWidth")),_popperBorderRadiusWidth=2*parseFloat(stepElement.css("borderTopLeftRadius")),_arrowPos=_arrowOffset+arrowWidth/2,_maxPos=popperWidth+_popperOffset-_popperBorderWidth-_popperBorderRadiusWidth,_minPos=_popperOffset+_popperBorderWidth+_popperBorderRadiusWidth;if(_arrowPos>=_maxPos||_arrowPos<=_minPos){var _newArrowPos=0;_newArrowPos=_arrowPos>popperWidth/2?_maxPos-arrowWidth:_minPos+arrowWidth,(0,_jquery.default)(arrowElement).css("left",_newArrowPos)}}},background=(0,_jquery.default)('[data-flexitour="step-background"]');return background.length&&(target=background),this.currentStepPopper=new _popper.default(target,content[0],config),this}},{key:"positionBackdrop",value:function(stepConfig){if(stepConfig.backdrop){this.currentStepConfig.hasBackdrop=!0;var backdrop=(0,_jquery.default)('<div data-flexitour="backdrop"></div>');if(stepConfig.zIndex?"append"===stepConfig.attachPoint?stepConfig.attachTo.append(backdrop):backdrop.insertAfter(stepConfig.attachTo):(0,_jquery.default)("body").append(backdrop),this.isStepActuallyVisible(stepConfig)){var background=(0,_jquery.default)('<div 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+
+//# sourceMappingURL=tour.min.js.map
\ No newline at end of file
diff --git a/admin/tool/usertours/amd/build/tour.min.js.map b/admin/tool/usertours/amd/build/tour.min.js.map
index ec4113fd15e..70d5b9ee698 100644
--- a/admin/tool/usertours/amd/build/tour.min.js.map
+++ b/admin/tool/usertours/amd/build/tour.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage user tours in Moodle.\n *\n * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Popper from 'core/popper';\n\n/**\n * A Tour.\n *\n * @class Tour\n */\nexport default class Tour {\n    /**\n     * @param   {object}    config  The configuration object.\n     */\n    constructor(config) {\n        this.init(config);\n    }\n\n    /**\n     * Initialise the tour.\n     *\n     * @method  init\n     * @param   {Object}    config  The configuration object.\n     * @chainable\n     * @return {Object} this.\n     */\n    init(config) {\n        // Unset all handlers.\n        this.eventHandlers = {};\n\n        // Reset the current tour states.\n        this.reset();\n\n        // Store the initial configuration.\n        this.originalConfiguration = config || {};\n\n        // Apply configuration.\n        this.configure.apply(this, arguments);\n\n        try {\n            this.storage = window.sessionStorage;\n            this.storageKey = 'tourstate_' + this.tourName;\n        } catch (e) {\n            this.storage = false;\n            this.storageKey = '';\n        }\n\n        return this;\n    }\n\n    /**\n     * Reset the current tour state.\n     *\n     * @method  reset\n     * @chainable\n     * @return {Object} this.\n     */\n    reset() {\n        // Hide the current step.\n        this.hide();\n\n        // Unset all handlers.\n        this.eventHandlers = [];\n\n        // Unset all listeners.\n        this.resetStepListeners();\n\n        // Unset the original configuration.\n        this.originalConfiguration = {};\n\n        // Reset the current step number and list of steps.\n        this.steps = [];\n\n        // Reset the current step number.\n        this.currentStepNumber = 0;\n\n        return this;\n    }\n\n    /**\n     * Prepare tour configuration.\n     *\n     * @method  configure\n     * @param {Object} config The configuration object.\n     * @chainable\n     * @return {Object} this.\n     */\n    configure(config) {\n        if (typeof config === 'object') {\n            // Tour name.\n            if (typeof config.tourName !== 'undefined') {\n                this.tourName = config.tourName;\n            }\n\n            // Set up eventHandlers.\n            if (config.eventHandlers) {\n                for (let eventName in config.eventHandlers) {\n                    config.eventHandlers[eventName].forEach(function(handler) {\n                        this.addEventHandler(eventName, handler);\n                    }, this);\n                }\n            }\n\n            // Reset the step configuration.\n            this.resetStepDefaults(true);\n\n            // Configure the steps.\n            if (typeof config.steps === 'object') {\n                this.steps = config.steps;\n            }\n\n            if (typeof config.template !== 'undefined') {\n                this.templateContent = config.template;\n            }\n        }\n\n        // Check that we have enough to start the tour.\n        this.checkMinimumRequirements();\n\n        return this;\n    }\n\n    /**\n     * Check that the configuration meets the minimum requirements.\n     *\n     * @method  checkMinimumRequirements\n     */\n    checkMinimumRequirements() {\n        // Need a tourName.\n        if (!this.tourName) {\n            throw new Error(\"Tour Name required\");\n        }\n\n        // Need a minimum of one step.\n        if (!this.steps || !this.steps.length) {\n            throw new Error(\"Steps must be specified\");\n        }\n    }\n\n    /**\n     * Reset step default configuration.\n     *\n     * @method  resetStepDefaults\n     * @param   {Boolean}   loadOriginalConfiguration   Whether to load the original configuration supplied with the Tour.\n     * @chainable\n     * @return {Object} this.\n     */\n    resetStepDefaults(loadOriginalConfiguration) {\n        if (typeof loadOriginalConfiguration === 'undefined') {\n            loadOriginalConfiguration = true;\n        }\n\n        this.stepDefaults = {};\n        if (!loadOriginalConfiguration || typeof this.originalConfiguration.stepDefaults === 'undefined') {\n            this.setStepDefaults({});\n        } else {\n            this.setStepDefaults(this.originalConfiguration.stepDefaults);\n        }\n\n        return this;\n    }\n\n    /**\n     * Set the step defaults.\n     *\n     * @method  setStepDefaults\n     * @param   {Object}    stepDefaults                The step defaults to apply to all steps\n     * @chainable\n     * @return {Object} this.\n     */\n    setStepDefaults(stepDefaults) {\n        if (!this.stepDefaults) {\n            this.stepDefaults = {};\n        }\n        $.extend(\n            this.stepDefaults,\n            {\n                element:        '',\n                placement:      'top',\n                delay:          0,\n                moveOnClick:    false,\n                moveAfterTime:  0,\n                orphan:         false,\n                direction:      1,\n            },\n            stepDefaults\n        );\n\n        return this;\n    }\n\n    /**\n     * Retrieve the current step number.\n     *\n     * @method  getCurrentStepNumber\n     * @return  {Integer}                   The current step number\n     */\n    getCurrentStepNumber() {\n        return parseInt(this.currentStepNumber, 10);\n    }\n\n    /**\n     * Store the current step number.\n     *\n     * @method  setCurrentStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @chainable\n     */\n    setCurrentStepNumber(stepNumber) {\n        this.currentStepNumber = stepNumber;\n        if (this.storage) {\n            try {\n                this.storage.setItem(this.storageKey, stepNumber);\n            } catch (e) {\n                if (e.code === DOMException.QUOTA_EXCEEDED_ERR) {\n                    this.storage.removeItem(this.storageKey);\n                }\n            }\n        }\n    }\n\n    /**\n     * Get the next step number after the currently displayed step.\n     *\n     * @method  getNextStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @return  {Integer}    The next step number to display\n     */\n    getNextStepNumber(stepNumber) {\n        if (typeof stepNumber === 'undefined') {\n            stepNumber = this.getCurrentStepNumber();\n        }\n        let nextStepNumber = stepNumber + 1;\n\n        // Keep checking the remaining steps.\n        while (nextStepNumber <= this.steps.length) {\n            if (this.isStepPotentiallyVisible(this.getStepConfig(nextStepNumber))) {\n                return nextStepNumber;\n            }\n            nextStepNumber++;\n        }\n\n        return null;\n    }\n\n    /**\n     * Get the previous step number before the currently displayed step.\n     *\n     * @method  getPreviousStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @return  {Integer}    The previous step number to display\n     */\n    getPreviousStepNumber(stepNumber) {\n        if (typeof stepNumber === 'undefined') {\n            stepNumber = this.getCurrentStepNumber();\n        }\n        let previousStepNumber = stepNumber - 1;\n\n        // Keep checking the remaining steps.\n        while (previousStepNumber >= 0) {\n            if (this.isStepPotentiallyVisible(this.getStepConfig(previousStepNumber))) {\n                return previousStepNumber;\n            }\n            previousStepNumber--;\n        }\n\n        return null;\n    }\n\n    /**\n     * Is the step the final step number?\n     *\n     * @method  isLastStep\n     * @param   {Integer}   stepNumber  Step number to test\n     * @return  {Boolean}               Whether the step is the final step\n     */\n    isLastStep(stepNumber) {\n        let nextStepNumber = this.getNextStepNumber(stepNumber);\n\n        return nextStepNumber === null;\n    }\n\n    /**\n     * Is the step the first step number?\n     *\n     * @method  isFirstStep\n     * @param   {Integer}   stepNumber  Step number to test\n     * @return  {Boolean}               Whether the step is the first step\n     */\n    isFirstStep(stepNumber) {\n        let previousStepNumber = this.getPreviousStepNumber(stepNumber);\n\n        return previousStepNumber === null;\n    }\n\n    /**\n     * Is this step potentially visible?\n     *\n     * @method  isStepPotentiallyVisible\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Boolean}               Whether the step is the potentially visible\n     */\n    isStepPotentiallyVisible(stepConfig) {\n        if (!stepConfig) {\n            // Without step config, there can be no step.\n            return false;\n        }\n\n        if (this.isStepActuallyVisible(stepConfig)) {\n            // If it is actually visible, it is already potentially visible.\n            return true;\n        }\n\n        if (typeof stepConfig.orphan !== 'undefined' && stepConfig.orphan) {\n            // Orphan steps have no target. They are always visible.\n            return true;\n        }\n\n        if (typeof stepConfig.delay !== 'undefined' && stepConfig.delay) {\n            // Only return true if the activated has not been used yet.\n            return true;\n        }\n\n        // Not theoretically, or actually visible.\n        return false;\n    }\n\n    /**\n     * Is this step actually visible?\n     *\n     * @method  isStepActuallyVisible\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Boolean}               Whether the step is actually visible\n     */\n    isStepActuallyVisible(stepConfig) {\n        if (!stepConfig) {\n            // Without step config, there can be no step.\n            return false;\n        }\n\n        let target = this.getStepTarget(stepConfig);\n        if (target && target.length && target.is(':visible')) {\n            // Without a target, there can be no step.\n            return !!target.length;\n        }\n\n        return false;\n    }\n\n    /**\n     * Go to the next step in the tour.\n     *\n     * @method  next\n     * @chainable\n     * @return {Object} this.\n     */\n    next() {\n        return this.gotoStep(this.getNextStepNumber());\n    }\n\n    /**\n     * Go to the previous step in the tour.\n     *\n     * @method  previous\n     * @chainable\n     * @return {Object} this.\n     */\n    previous() {\n        return this.gotoStep(this.getPreviousStepNumber(), -1);\n    }\n\n    /**\n     * Go to the specified step in the tour.\n     *\n     * @method  gotoStep\n     * @param   {Integer}   stepNumber     The step number to display\n     * @param   {Integer}   direction      Next or previous step\n     * @chainable\n     * @return {Object} this.\n     */\n    gotoStep(stepNumber, direction) {\n        if (stepNumber < 0) {\n            return this.endTour();\n        }\n\n        let stepConfig = this.getStepConfig(stepNumber);\n        if (stepConfig === null) {\n            return this.endTour();\n        }\n\n        return this._gotoStep(stepConfig, direction);\n    }\n\n    _gotoStep(stepConfig, direction) {\n        if (!stepConfig) {\n            return this.endTour();\n        }\n\n        if (typeof stepConfig.delay !== 'undefined' && stepConfig.delay && !stepConfig.delayed) {\n            stepConfig.delayed = true;\n            window.setTimeout(this._gotoStep.bind(this), stepConfig.delay, stepConfig, direction);\n\n            return this;\n        } else if (!stepConfig.orphan && !this.isStepActuallyVisible(stepConfig)) {\n            let fn = direction == -1 ? 'getPreviousStepNumber' : 'getNextStepNumber';\n            return this.gotoStep(this[fn](stepConfig.stepNumber), direction);\n        }\n\n        this.hide();\n\n        this.fireEventHandlers('beforeRender', stepConfig);\n        this.renderStep(stepConfig);\n        this.fireEventHandlers('afterRender', stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Fetch the normalised step configuration for the specified step number.\n     *\n     * @method  getStepConfig\n     * @param   {Integer}   stepNumber      The step number to fetch configuration for\n     * @return  {Object}                    The step configuration\n     */\n    getStepConfig(stepNumber) {\n        if (stepNumber === null || stepNumber < 0 || stepNumber >= this.steps.length) {\n            return null;\n        }\n\n        // Normalise the step configuration.\n        let stepConfig = this.normalizeStepConfig(this.steps[stepNumber]);\n\n        // Add the stepNumber to the stepConfig.\n        stepConfig = $.extend(stepConfig, {stepNumber: stepNumber});\n\n        return stepConfig;\n    }\n\n    /**\n     * Normalise the supplied step configuration.\n     *\n     * @method  normalizeStepConfig\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Object}                    The normalised step configuration\n     */\n    normalizeStepConfig(stepConfig) {\n\n        if (typeof stepConfig.reflex !== 'undefined' && typeof stepConfig.moveAfterClick === 'undefined') {\n            stepConfig.moveAfterClick = stepConfig.reflex;\n        }\n\n        if (typeof stepConfig.element !== 'undefined' && typeof stepConfig.target === 'undefined') {\n            stepConfig.target = stepConfig.element;\n        }\n\n        if (typeof stepConfig.content !== 'undefined' && typeof stepConfig.body === 'undefined') {\n            stepConfig.body = stepConfig.content;\n        }\n\n        stepConfig = $.extend({}, this.stepDefaults, stepConfig);\n\n        stepConfig = $.extend({}, {\n            attachTo: stepConfig.target,\n            attachPoint: 'after',\n        }, stepConfig);\n\n        if (stepConfig.attachTo) {\n            stepConfig.attachTo = $(stepConfig.attachTo).first();\n        }\n\n        return stepConfig;\n    }\n\n    /**\n     * Fetch the actual step target from the selector.\n     *\n     * This should not be called until after any delay has completed.\n     *\n     * @method  getStepTarget\n     * @param   {Object}    stepConfig      The step configuration\n     * @return  {$}\n     */\n    getStepTarget(stepConfig) {\n        if (stepConfig.target) {\n            return $(stepConfig.target);\n        }\n\n        return null;\n    }\n\n    /**\n     * Fire any event handlers for the specified event.\n     *\n     * @param   {String}    eventName       The name of the event to handle\n     * @param   {Object}    data            Any data to pass to the event\n     * @chainable\n     * @return {Object} this.\n     */\n    fireEventHandlers(eventName, data) {\n        if (typeof this.eventHandlers[eventName] === 'undefined') {\n            return this;\n        }\n\n        this.eventHandlers[eventName].forEach(function(thisEvent) {\n            thisEvent.call(this, data);\n        }, this);\n\n        return this;\n    }\n\n    /**\n     * @method addEventHandler\n     * @param  {string}      eventName       The name of the event to listen for\n     * @param  {function}    handler         The event handler to call\n     * @return {Object} this.\n     */\n    addEventHandler(eventName, handler) {\n        if (typeof this.eventHandlers[eventName] === 'undefined') {\n            this.eventHandlers[eventName] = [];\n        }\n\n        this.eventHandlers[eventName].push(handler);\n\n        return this;\n    }\n\n    /**\n     * Process listeners for the step being shown.\n     *\n     * @method  processStepListeners\n     * @param   {object}    stepConfig      The configuration for the step\n     * @chainable\n     * @return {Object} this.\n     */\n    processStepListeners(stepConfig) {\n        this.listeners.push(\n        // Next/Previous buttons.\n        {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"next\"]', $.proxy(this.next, this)]\n        }, {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"previous\"]', $.proxy(this.previous, this)]\n        },\n\n        // Close and end tour buttons.\n        {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"end\"]', $.proxy(this.endTour, this)]\n        },\n\n        // Click backdrop and hide tour.\n        {\n            node: $('[data-flexitour=\"backdrop\"]'),\n            args: ['click', $.proxy(this.hide, this)]\n        },\n\n        // Keypresses.\n        {\n            node: $('body'),\n            args: ['keydown', $.proxy(this.handleKeyDown, this)]\n        });\n\n        if (stepConfig.moveOnClick) {\n            var targetNode = this.getStepTarget(stepConfig);\n            this.listeners.push({\n                node: targetNode,\n                args: ['click', $.proxy(function(e) {\n                    if ($(e.target).parents('[data-flexitour=\"container\"]').length === 0) {\n                        // Ignore clicks when they are in the flexitour.\n                        window.setTimeout($.proxy(this.next, this), 500);\n                    }\n                }, this)]\n            });\n        }\n\n        this.listeners.forEach(function (listener) {\n            listener.node.on.apply(listener.node, listener.args);\n        });\n\n        return this;\n    }\n\n    /**\n     * Reset step listeners.\n     *\n     * @method  resetStepListeners\n     * @chainable\n     * @return {Object} this.\n     */\n    resetStepListeners() {\n        // Stop listening to all external handlers.\n        if (this.listeners) {\n            this.listeners.forEach(function(listener) {\n                listener.node.off.apply(listener.node, listener.args);\n            });\n        }\n        this.listeners = [];\n\n        return this;\n    }\n\n    /**\n     * The standard step renderer.\n     *\n     * @method  renderStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    renderStep(stepConfig) {\n        // Store the current step configuration for later.\n        this.currentStepConfig = stepConfig;\n        this.setCurrentStepNumber(stepConfig.stepNumber);\n\n        // Fetch the template and convert it to a $ object.\n        let template = $(this.getTemplateContent());\n\n        // Title.\n        template.find('[data-placeholder=\"title\"]')\n            .html(stepConfig.title);\n\n        // Body.\n        template.find('[data-placeholder=\"body\"]')\n            .html(stepConfig.body);\n\n        // Is this the first step?\n        if (this.isFirstStep(stepConfig.stepNumber)) {\n            template.find('[data-role=\"previous\"]').hide();\n        } else {\n            template.find('[data-role=\"previous\"]').prop('disabled', false);\n        }\n\n        // Is this the final step?\n        if (this.isLastStep(stepConfig.stepNumber)) {\n            template.find('[data-role=\"next\"]').hide();\n            template.find('[data-role=\"end\"]').removeClass(\"btn-secondary\").addClass(\"btn-primary\");\n        } else {\n            template.find('[data-role=\"next\"]').prop('disabled', false);\n        }\n\n        template.find('[data-role=\"previous\"]').attr('role', 'button');\n        template.find('[data-role=\"next\"]').attr('role', 'button');\n        template.find('[data-role=\"end\"]').attr('role', 'button');\n\n        // Replace the template with the updated version.\n        stepConfig.template = template;\n\n        // Add to the page.\n        this.addStepToPage(stepConfig);\n\n        // Process step listeners after adding to the page.\n        // This uses the currentNode.\n        this.processStepListeners(stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Getter for the template content.\n     *\n     * @method  getTemplateContent\n     * @return  {$}\n     */\n    getTemplateContent() {\n        return $(this.templateContent).clone();\n    }\n\n    /**\n     * Helper to add a step to the page.\n     *\n     * @method  addStepToPage\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    addStepToPage(stepConfig) {\n        // Create the stepNode from the template data.\n        let currentStepNode = $('<span data-flexitour=\"container\"></span>')\n            .html(stepConfig.template)\n            .hide();\n\n        // The scroll animation occurs on the body or html.\n        let animationTarget = $('body, html')\n            .stop(true, true);\n\n        if (this.isStepActuallyVisible(stepConfig)) {\n            let targetNode = this.getStepTarget(stepConfig);\n\n            targetNode.data('flexitour', 'target');\n\n            let zIndex = this.calculateZIndex(targetNode);\n            if (zIndex) {\n                stepConfig.zIndex = zIndex + 1;\n            }\n\n            if (stepConfig.zIndex) {\n                currentStepNode.css('zIndex', stepConfig.zIndex + 1);\n            }\n\n            // Add the backdrop.\n            this.positionBackdrop(stepConfig);\n\n            $(document.body).append(currentStepNode);\n            this.currentStepNode = currentStepNode;\n\n            // Ensure that the step node is positioned.\n            // Some situations mean that the value is not properly calculated without this step.\n            this.currentStepNode.css({\n                top: 0,\n                left: 0,\n            });\n\n            animationTarget\n                .animate({\n                    scrollTop: this.calculateScrollTop(stepConfig),\n                }).promise().then(function() {\n                        this.positionStep(stepConfig);\n                        this.revealStep(stepConfig);\n                        return;\n                    }.bind(this))\n                    .catch(function() {\n                        // Silently fail.\n                    });\n\n        } else if (stepConfig.orphan) {\n            stepConfig.isOrphan = true;\n\n            // This will be appended to the body instead.\n            stepConfig.attachTo = $('body').first();\n            stepConfig.attachPoint = 'append';\n\n            // Add the backdrop.\n            this.positionBackdrop(stepConfig);\n\n            // This is an orphaned step.\n            currentStepNode.addClass('orphan');\n\n            // It lives in the body.\n            $(document.body).append(currentStepNode);\n            this.currentStepNode = currentStepNode;\n\n            this.currentStepNode.offset(this.calculateStepPositionInPage());\n            this.currentStepNode.css('position', 'fixed');\n\n            this.currentStepPopper = new Popper(\n                $('body'),\n                this.currentStepNode[0], {\n                    removeOnDestroy: true,\n                    placement: stepConfig.placement + '-start',\n                    arrowElement: '[data-role=\"arrow\"]',\n                    // Empty the modifiers. We've already placed the step and don't want it moved.\n                    modifiers: {\n                        hide: {\n                            enabled: false,\n                        },\n                        applyStyle: {\n                            onLoad: null,\n                            enabled: false,\n                        },\n                    }\n                }\n            );\n\n            this.revealStep(stepConfig);\n        }\n\n        return this;\n    }\n\n    /**\n     * Make the given step visible.\n     *\n     * @method revealStep\n     * @param {Object} stepConfig The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    revealStep(stepConfig) {\n        // Fade the step in.\n        this.currentStepNode.fadeIn('', $.proxy(function() {\n                // Announce via ARIA.\n                this.announceStep(stepConfig);\n\n                // Focus on the current step Node.\n                this.currentStepNode.focus();\n                window.setTimeout($.proxy(function() {\n                    // After a brief delay, focus again.\n                    // There seems to be an issue with Jaws where it only reads the dialogue title initially.\n                    // This second focus helps it to read the full dialogue.\n                    if (this.currentStepNode) {\n                        this.currentStepNode.focus();\n                    }\n                }, this), 100);\n\n            }, this));\n\n        return this;\n    }\n\n    /**\n     * Helper to announce the step on the page.\n     *\n     * @method  announceStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    announceStep(stepConfig) {\n        // Setup the step Dialogue as per:\n        // * https://www.w3.org/TR/wai-aria-practices/#dialog_nonmodal\n        // * https://www.w3.org/TR/wai-aria-practices/#dialog_modal\n\n        // Generate an ID for the current step node.\n        let stepId = 'tour-step-' + this.tourName + '-' + stepConfig.stepNumber;\n        this.currentStepNode.attr('id', stepId);\n\n        let bodyRegion = this.currentStepNode.find('[data-placeholder=\"body\"]').first();\n        bodyRegion.attr('id', stepId + '-body');\n        bodyRegion.attr('role', 'document');\n\n        let headerRegion = this.currentStepNode.find('[data-placeholder=\"title\"]').first();\n        headerRegion.attr('id', stepId + '-title');\n        headerRegion.attr('aria-labelledby', stepId + '-body');\n\n        // Generally, a modal dialog has a role of dialog.\n        this.currentStepNode.attr('role', 'dialog');\n        this.currentStepNode.attr('tabindex', 0);\n        this.currentStepNode.attr('aria-labelledby', stepId + '-title');\n        this.currentStepNode.attr('aria-describedby', stepId + '-body');\n\n        // Configure ARIA attributes on the target.\n        let target = this.getStepTarget(stepConfig);\n        if (target) {\n            if (!target.attr('tabindex')) {\n                target.attr('tabindex', 0);\n            }\n\n            target\n                .data('original-describedby', target.attr('aria-describedby'))\n                .attr('aria-describedby', stepId + '-body')\n                ;\n        }\n\n        this.accessibilityShow(stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Handle key down events.\n     *\n     * @method  handleKeyDown\n     * @param   {EventFacade} e\n     */\n    handleKeyDown(e) {\n        let tabbableSelector = 'a[href], link[href], [draggable=true], [contenteditable=true], ';\n        tabbableSelector += ':input:enabled, [tabindex], button:enabled';\n        switch (e.keyCode) {\n            case 27:\n                this.endTour();\n                break;\n\n            // 9 == Tab - trap focus for items with a backdrop.\n            case 9:\n                // Tab must be handled on key up only in this instance.\n                (function() {\n                    if (!this.currentStepConfig.hasBackdrop) {\n                        // Trapping tab focus is only handled for those steps with a backdrop.\n                        return;\n                    }\n\n                    // Find all tabbable locations.\n                    let activeElement = $(document.activeElement);\n                    let stepTarget = this.getStepTarget(this.currentStepConfig);\n                    let tabbableNodes = $(tabbableSelector);\n                    let dialogContainer = $('span[data-flexitour=\"container\"]');\n                    let currentIndex;\n                    // Filter out element which is not belong to target section or dialogue.\n                    if (stepTarget) {\n                        tabbableNodes = tabbableNodes.filter(function(index, element) {\n                            return stepTarget !== null\n                                && (stepTarget.has(element).length\n                                    || dialogContainer.has(element).length\n                                    || stepTarget.is(element)\n                                    || dialogContainer.is(element));\n                        });\n                    }\n\n                    // Find index of focusing element.\n                    tabbableNodes.each(function(index, element) {\n                        if (activeElement.is(element)) {\n                            currentIndex = index;\n                            return false;\n                        }\n                        // Keep looping.\n                        return true;\n                    });\n\n                    let nextIndex;\n                    let nextNode;\n                    let focusRelevant;\n                    if (currentIndex != void 0) {\n                        let direction = 1;\n                        if (e.shiftKey) {\n                            direction = -1;\n                        }\n                        nextIndex = currentIndex;\n                        do {\n                            nextIndex += direction;\n                            nextNode = $(tabbableNodes[nextIndex]);\n                        } while (nextNode.length && nextNode.is(':disabled') || nextNode.is(':hidden'));\n                        if (nextNode.length) {\n                            // A new f\n                            focusRelevant = nextNode.closest(stepTarget).length;\n                            focusRelevant = focusRelevant || nextNode.closest(this.currentStepNode).length;\n                        } else {\n                            // Unable to find the target somehow.\n                            focusRelevant = false;\n                        }\n                    }\n\n                    if (focusRelevant) {\n                        nextNode.focus();\n                    } else {\n                        if (e.shiftKey) {\n                            // Focus on the last tabbable node in the step.\n                            this.currentStepNode.find(tabbableSelector).last().focus();\n                        } else {\n                            if (this.currentStepConfig.isOrphan) {\n                                // Focus on the step - there is no target.\n                                this.currentStepNode.focus();\n                            } else {\n                                // Focus on the step target.\n                                stepTarget.focus();\n                            }\n                        }\n                    }\n                    e.preventDefault();\n                }).call(this);\n                break;\n        }\n    }\n\n    /**\n     * Start the current tour.\n     *\n     * @method  startTour\n     * @param   {Integer}   startAt     Which step number to start at. If not specified, starts at the last point.\n     * @chainable\n     * @return {Object} this.\n     */\n    startTour(startAt) {\n        if (this.storage && typeof startAt === 'undefined') {\n            let storageStartValue = this.storage.getItem(this.storageKey);\n            if (storageStartValue) {\n                let storageStartAt = parseInt(storageStartValue, 10);\n                if (storageStartAt <= this.steps.length) {\n                    startAt = storageStartAt;\n                }\n            }\n        }\n\n        if (typeof startAt === 'undefined') {\n            startAt = this.getCurrentStepNumber();\n        }\n\n        this.fireEventHandlers('beforeStart', startAt);\n        this.gotoStep(startAt);\n        this.fireEventHandlers('afterStart', startAt);\n\n        return this;\n    }\n\n    /**\n     * Restart the tour from the beginning, resetting the completionlag.\n     *\n     * @method  restartTour\n     * @chainable\n     * @return {Object} this.\n     */\n    restartTour() {\n        return this.startTour(0);\n    }\n\n    /**\n     * End the current tour.\n     *\n     * @method  endTour\n     * @chainable\n     * @return {Object} this.\n     */\n    endTour() {\n        this.fireEventHandlers('beforeEnd');\n\n        if (this.currentStepConfig) {\n            let previousTarget = this.getStepTarget(this.currentStepConfig);\n            if (previousTarget) {\n                if (!previousTarget.attr('tabindex')) {\n                    previousTarget.attr('tabindex', '-1');\n                }\n                previousTarget.focus();\n            }\n        }\n\n        this.hide(true);\n\n        this.fireEventHandlers('afterEnd');\n\n        return this;\n    }\n\n    /**\n     * Hide any currently visible steps.\n     *\n     * @method hide\n     * @param {Bool} transition Animate the visibility change\n     * @chainable\n     * @return {Object} this.\n     */\n    hide(transition) {\n        this.fireEventHandlers('beforeHide');\n\n        if (this.currentStepNode && this.currentStepNode.length) {\n            this.currentStepNode.hide();\n            if (this.currentStepPopper) {\n                this.currentStepPopper.destroy();\n            }\n        }\n\n        // Restore original target configuration.\n        if (this.currentStepConfig) {\n            let target = this.getStepTarget(this.currentStepConfig);\n            if (target) {\n                if (target.data('original-labelledby')) {\n                    target.attr('aria-labelledby', target.data('original-labelledby'));\n                }\n\n                if (target.data('original-describedby')) {\n                    target.attr('aria-describedby', target.data('original-describedby'));\n                }\n\n                if (target.data('original-tabindex')) {\n                    target.attr('tabindex', target.data('tabindex'));\n                }\n            }\n\n            // Clear the step configuration.\n            this.currentStepConfig = null;\n        }\n\n        let fadeTime = 0;\n        if (transition) {\n            fadeTime = 400;\n        }\n\n        // Remove the backdrop features.\n        $('[data-flexitour=\"step-background\"]').remove();\n        $('[data-flexitour=\"step-backdrop\"]').removeAttr('data-flexitour');\n        $('[data-flexitour=\"backdrop\"]').fadeOut(fadeTime, function() {\n            $(this).remove();\n        });\n\n        // Remove aria-describedby and tabindex attributes.\n        if (this.currentStepNode && this.currentStepNode.length) {\n            let stepId = this.currentStepNode.attr('id');\n            if (stepId) {\n                let currentStepElement = '[aria-describedby=\"' + stepId + '-body\"]';\n                $(currentStepElement).removeAttr('tabindex');\n                $(currentStepElement).removeAttr('aria-describedby');\n            }\n        }\n\n        // Reset the listeners.\n        this.resetStepListeners();\n\n        this.accessibilityHide();\n\n        this.fireEventHandlers('afterHide');\n\n        this.currentStepNode = null;\n        this.currentStepPopper = null;\n        return this;\n    }\n\n    /**\n     * Show the current steps.\n     *\n     * @method show\n     * @chainable\n     * @return {Object} this.\n     */\n    show() {\n        // Show the current step.\n        let startAt = this.getCurrentStepNumber();\n\n        return this.gotoStep(startAt);\n    }\n\n    /**\n     * Return the current step node.\n     *\n     * @method  getStepContainer\n     * @return  {jQuery}\n     */\n    getStepContainer() {\n        return $(this.currentStepNode);\n    }\n\n    /**\n     * Calculate scrollTop.\n     *\n     * @method  calculateScrollTop\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @return  {Number}\n     */\n    calculateScrollTop(stepConfig) {\n        let scrollTop = $(window).scrollTop();\n        let viewportHeight = $(window).height();\n        let targetNode = this.getStepTarget(stepConfig);\n\n        if (stepConfig.placement === 'top') {\n            // If the placement is top, center scroll at the top of the target.\n            scrollTop = targetNode.offset().top - (viewportHeight / 2);\n        } else if (stepConfig.placement === 'bottom') {\n            // If the placement is bottom, center scroll at the bottom of the target.\n            scrollTop = targetNode.offset().top + targetNode.height() - (viewportHeight / 2);\n        } else if (targetNode.height() <= (viewportHeight * 0.8)) {\n            // If the placement is left/right, and the target fits in the viewport, centre screen on the target\n            scrollTop = targetNode.offset().top - ((viewportHeight - targetNode.height()) / 2);\n        } else {\n            // If the placement is left/right, and the target is bigger than the viewport, set scrollTop to target.top + buffer\n            // and change step attachmentTarget to top+.\n            scrollTop = targetNode.offset().top - (viewportHeight * 0.2);\n        }\n\n        // Never scroll over the top.\n        scrollTop = Math.max(0, scrollTop);\n\n        // Never scroll beyond the bottom.\n        scrollTop = Math.min($(document).height() - viewportHeight, scrollTop);\n\n        return Math.ceil(scrollTop);\n    }\n\n    /**\n     * Calculate dialogue position for page middle.\n     *\n     * @method  calculateScrollTop\n     * @return  {Number}\n     */\n    calculateStepPositionInPage() {\n        let viewportHeight = $(window).height();\n        let stepHeight = this.currentStepNode.height();\n\n        let viewportWidth = $(window).width();\n        let stepWidth = this.currentStepNode.width();\n\n        return {\n            top: Math.ceil((viewportHeight - stepHeight) / 2),\n            left: Math.ceil((viewportWidth - stepWidth) / 2)\n        };\n    }\n\n    /**\n     * Position the step on the page.\n     *\n     * @method  positionStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    positionStep(stepConfig) {\n        let content = this.currentStepNode;\n        if (!content || !content.length) {\n            // Unable to find the step node.\n            return this;\n        }\n\n        let flipBehavior;\n        switch (stepConfig.placement) {\n            case 'left':\n                flipBehavior = ['left', 'right', 'top', 'bottom'];\n                break;\n            case 'right':\n                flipBehavior = ['right', 'left', 'top', 'bottom'];\n                break;\n            case 'top':\n                flipBehavior = ['top', 'bottom', 'right', 'left'];\n                break;\n            case 'bottom':\n                flipBehavior = ['bottom', 'top', 'right', 'left'];\n                break;\n            default:\n                flipBehavior = 'flip';\n                break;\n        }\n\n        let target = this.getStepTarget(stepConfig);\n        var config = {\n            placement: stepConfig.placement + '-start',\n            removeOnDestroy: true,\n            modifiers: {\n                flip: {\n                    behaviour: flipBehavior,\n                },\n                arrow: {\n                    element: '[data-role=\"arrow\"]',\n                },\n            },\n            onCreate: function(data) {\n                recalculateArrowPosition(data);\n            },\n            onUpdate: function(data) {\n                recalculateArrowPosition(data);\n            },\n        };\n\n        let recalculateArrowPosition = function(data) {\n            let placement = data.placement.split('-')[0];\n            const isVertical = ['left', 'right'].indexOf(placement) !== -1;\n            const arrowElement = data.instance.popper.querySelector('[data-role=\"arrow\"]');\n            const stepElement = $(data.instance.popper.querySelector('[data-role=\"flexitour-step\"]'));\n            if (isVertical) {\n                let arrowHeight = parseFloat(window.getComputedStyle(arrowElement).height);\n                let arrowOffset = parseFloat(window.getComputedStyle(arrowElement).top);\n                let popperHeight = parseFloat(window.getComputedStyle(data.instance.popper).height);\n                let popperOffset = parseFloat(window.getComputedStyle(data.instance.popper).top);\n                let popperBorderWidth = parseFloat(stepElement.css('borderTopWidth'));\n                let popperBorderRadiusWidth = parseFloat(stepElement.css('borderTopLeftRadius')) * 2;\n                let arrowPos = arrowOffset + (arrowHeight / 2);\n                let maxPos = popperHeight + popperOffset - popperBorderWidth - popperBorderRadiusWidth;\n                let minPos = popperOffset + popperBorderWidth + popperBorderRadiusWidth;\n                if (arrowPos >= maxPos || arrowPos <= minPos) {\n                    let newArrowPos = 0;\n                    if (arrowPos > (popperHeight / 2)) {\n                        newArrowPos = maxPos - arrowHeight;\n                    } else {\n                        newArrowPos = minPos + arrowHeight;\n                    }\n                    $(arrowElement).css('top', newArrowPos);\n                }\n            } else {\n                let arrowWidth = parseFloat(window.getComputedStyle(arrowElement).width);\n                let arrowOffset = parseFloat(window.getComputedStyle(arrowElement).left);\n                let popperWidth = parseFloat(window.getComputedStyle(data.instance.popper).width);\n                let popperOffset = parseFloat(window.getComputedStyle(data.instance.popper).left);\n                let popperBorderWidth = parseFloat(stepElement.css('borderTopWidth'));\n                let popperBorderRadiusWidth = parseFloat(stepElement.css('borderTopLeftRadius')) * 2;\n                let arrowPos = arrowOffset + (arrowWidth / 2);\n                let maxPos = popperWidth + popperOffset - popperBorderWidth - popperBorderRadiusWidth;\n                let minPos = popperOffset + popperBorderWidth + popperBorderRadiusWidth;\n                if (arrowPos >= maxPos || arrowPos <= minPos) {\n                    let newArrowPos = 0;\n                    if (arrowPos > (popperWidth / 2)) {\n                        newArrowPos = maxPos - arrowWidth;\n                    } else {\n                        newArrowPos = minPos + arrowWidth;\n                    }\n                    $(arrowElement).css('left', newArrowPos);\n                }\n            }\n        };\n\n        let background = $('[data-flexitour=\"step-background\"]');\n        if (background.length) {\n            target = background;\n        }\n        this.currentStepPopper = new Popper(target, content[0], config);\n\n        return this;\n    }\n\n    /**\n     * Add the backdrop.\n     *\n     * @method  positionBackdrop\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    positionBackdrop(stepConfig) {\n        if (stepConfig.backdrop) {\n            this.currentStepConfig.hasBackdrop = true;\n            let backdrop = $('<div data-flexitour=\"backdrop\"></div>');\n\n            if (stepConfig.zIndex) {\n                if (stepConfig.attachPoint === 'append') {\n                    stepConfig.attachTo.append(backdrop);\n                } else {\n                    backdrop.insertAfter(stepConfig.attachTo);\n                }\n            } else {\n                $('body').append(backdrop);\n            }\n\n            if (this.isStepActuallyVisible(stepConfig)) {\n                // The step has a visible target.\n                // Punch a hole through the backdrop.\n                let background = $('<div data-flexitour=\"step-background\"></div>');\n\n                let targetNode = this.getStepTarget(stepConfig);\n\n                let buffer = 10;\n\n                let colorNode = targetNode;\n                if (buffer) {\n                    colorNode = $('body');\n                }\n\n                background.css({\n                    width: targetNode.outerWidth() + buffer + buffer,\n                    height: targetNode.outerHeight() + buffer + buffer,\n                    left: targetNode.offset().left - buffer,\n                    top: targetNode.offset().top - buffer,\n                    backgroundColor: this.calculateInherittedBackgroundColor(colorNode),\n                });\n\n                if (targetNode.offset().left < buffer) {\n                    background.css({\n                        width: targetNode.outerWidth() + targetNode.offset().left + buffer,\n                        left: targetNode.offset().left,\n                    });\n                }\n\n                if (targetNode.offset().top < buffer) {\n                    background.css({\n                        height: targetNode.outerHeight() + targetNode.offset().top + buffer,\n                        top: targetNode.offset().top,\n                    });\n                }\n\n                let targetRadius = targetNode.css('borderRadius');\n                if (targetRadius && targetRadius !== $('body').css('borderRadius')) {\n                    background.css('borderRadius', targetRadius);\n                }\n\n                let targetPosition = this.calculatePosition(targetNode);\n                if (targetPosition === 'fixed') {\n                    background.css('top', 0);\n                } else if (targetPosition === 'absolute') {\n                    background.css('position', 'fixed');\n                }\n\n                let fader = background.clone();\n                fader.css({\n                    backgroundColor: backdrop.css('backgroundColor'),\n                    opacity: backdrop.css('opacity'),\n                });\n                fader.attr('data-flexitour', 'step-background-fader');\n\n                if (stepConfig.zIndex) {\n                    if (stepConfig.attachPoint === 'append') {\n                        stepConfig.attachTo.append(background);\n                    } else {\n                        fader.insertAfter(stepConfig.attachTo);\n                        background.insertAfter(stepConfig.attachTo);\n                    }\n                } else {\n                    $('body').append(fader);\n                    $('body').append(background);\n                }\n\n                // Add the backdrop data to the actual target.\n                // This is the part which actually does the work.\n                targetNode.attr('data-flexitour', 'step-backdrop');\n\n                if (stepConfig.zIndex) {\n                    backdrop.css('zIndex', stepConfig.zIndex);\n                    background.css('zIndex', stepConfig.zIndex + 1);\n                    targetNode.css('zIndex', stepConfig.zIndex + 2);\n                }\n\n                fader.fadeOut('2000', function() {\n                    $(this).remove();\n                });\n            }\n        }\n        return this;\n    }\n\n    /**\n     * Calculate the inheritted z-index.\n     *\n     * @method  calculateZIndex\n     * @param   {jQuery}    elem                        The element to calculate z-index for\n     * @return  {Number}                                Calculated z-index\n     */\n    calculateZIndex(elem) {\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            // Ignore z-index if position is set to a value where z-index is ignored by the browser\n            // This makes behavior of this function consistent across browsers\n            // WebKit always returns auto if the element is positioned.\n            let position = elem.css(\"position\");\n            if (position === \"absolute\" || position === \"relative\" || position === \"fixed\") {\n                // IE returns 0 when zIndex is not specified\n                // other browsers return a string\n                // we ignore the case of nested elements with an explicit value of 0\n                // <div style=\"z-index: -10;\"><div style=\"z-index: 0;\"></div></div>\n                let value = parseInt(elem.css(\"zIndex\"), 10);\n                if (!isNaN(value) && value !== 0) {\n                    return value;\n                }\n            }\n            elem = elem.parent();\n        }\n\n        return 0;\n    }\n\n    /**\n     * Calculate the inheritted background colour.\n     *\n     * @method  calculateInherittedBackgroundColor\n     * @param   {jQuery}    elem                        The element to calculate colour for\n     * @return  {String}                                Calculated background colour\n     */\n    calculateInherittedBackgroundColor(elem) {\n        // Use a fake node to compare each element against.\n        let fakeNode = $('<div>').hide();\n        $('body').append(fakeNode);\n        let fakeElemColor = fakeNode.css('backgroundColor');\n        fakeNode.remove();\n\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            let color = elem.css('backgroundColor');\n            if (color !== fakeElemColor) {\n                return color;\n            }\n            elem = elem.parent();\n        }\n\n        return null;\n    }\n\n    /**\n     * Calculate the inheritted position.\n     *\n     * @method  calculatePosition\n     * @param   {jQuery}    elem                        The element to calculate position for\n     * @return  {String}                                Calculated position\n     */\n    calculatePosition(elem) {\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            let position = elem.css('position');\n            if (position !== 'static') {\n                return position;\n            }\n            elem = elem.parent();\n        }\n\n        return null;\n    }\n\n    /**\n     * Perform accessibility changes for step shown.\n     *\n     * This will add aria-hidden=\"true\" to all siblings and parent siblings.\n     *\n     * @method  accessibilityShow\n     */\n    accessibilityShow() {\n        let stateHolder = 'data-has-hidden';\n        let attrName = 'aria-hidden';\n        let hideFunction = function(child) {\n            let flexitourRole = child.data('flexitour');\n            if (flexitourRole) {\n                switch (flexitourRole) {\n                    case 'container':\n                    case 'target':\n                        return;\n                }\n            }\n\n            let hidden = child.attr(attrName);\n            if (!hidden) {\n                child.attr(stateHolder, true);\n                child.attr(attrName, true);\n            }\n        };\n\n        this.currentStepNode.siblings().each(function(index, node) {\n            hideFunction($(node));\n        });\n        this.currentStepNode.parentsUntil('body').siblings().each(function(index, node) {\n            hideFunction($(node));\n        });\n    }\n\n    /**\n     * Perform accessibility changes for step hidden.\n     *\n     * This will remove any newly added aria-hidden=\"true\".\n     *\n     * @method  accessibilityHide\n     */\n    accessibilityHide() {\n        let stateHolder = 'data-has-hidden';\n        let attrName = 'aria-hidden';\n        let showFunction = function(child) {\n            let hidden = child.attr(stateHolder);\n            if (typeof hidden !== 'undefined') {\n                child.removeAttr(stateHolder);\n                child.removeAttr(attrName);\n            }\n        };\n\n        $('[' + stateHolder + ']').each(function(index, node) {\n            showFunction($(node));\n        });\n    }\n}\n"],"file":"tour.min.js"}
\ No newline at end of file
+{"version":3,"file":"tour.min.js","sources":["../src/tour.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage user tours in Moodle.\n *\n * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Popper from 'core/popper';\n\n/**\n * A Tour.\n *\n * @class Tour\n */\nexport default class Tour {\n    /**\n     * @param   {object}    config  The configuration object.\n     */\n    constructor(config) {\n        this.init(config);\n    }\n\n    /**\n     * Initialise the tour.\n     *\n     * @method  init\n     * @param   {Object}    config  The configuration object.\n     * @chainable\n     * @return {Object} this.\n     */\n    init(config) {\n        // Unset all handlers.\n        this.eventHandlers = {};\n\n        // Reset the current tour states.\n        this.reset();\n\n        // Store the initial configuration.\n        this.originalConfiguration = config || {};\n\n        // Apply configuration.\n        this.configure.apply(this, arguments);\n\n        try {\n            this.storage = window.sessionStorage;\n            this.storageKey = 'tourstate_' + this.tourName;\n        } catch (e) {\n            this.storage = false;\n            this.storageKey = '';\n        }\n\n        return this;\n    }\n\n    /**\n     * Reset the current tour state.\n     *\n     * @method  reset\n     * @chainable\n     * @return {Object} this.\n     */\n    reset() {\n        // Hide the current step.\n        this.hide();\n\n        // Unset all handlers.\n        this.eventHandlers = [];\n\n        // Unset all listeners.\n        this.resetStepListeners();\n\n        // Unset the original configuration.\n        this.originalConfiguration = {};\n\n        // Reset the current step number and list of steps.\n        this.steps = [];\n\n        // Reset the current step number.\n        this.currentStepNumber = 0;\n\n        return this;\n    }\n\n    /**\n     * Prepare tour configuration.\n     *\n     * @method  configure\n     * @param {Object} config The configuration object.\n     * @chainable\n     * @return {Object} this.\n     */\n    configure(config) {\n        if (typeof config === 'object') {\n            // Tour name.\n            if (typeof config.tourName !== 'undefined') {\n                this.tourName = config.tourName;\n            }\n\n            // Set up eventHandlers.\n            if (config.eventHandlers) {\n                for (let eventName in config.eventHandlers) {\n                    config.eventHandlers[eventName].forEach(function(handler) {\n                        this.addEventHandler(eventName, handler);\n                    }, this);\n                }\n            }\n\n            // Reset the step configuration.\n            this.resetStepDefaults(true);\n\n            // Configure the steps.\n            if (typeof config.steps === 'object') {\n                this.steps = config.steps;\n            }\n\n            if (typeof config.template !== 'undefined') {\n                this.templateContent = config.template;\n            }\n        }\n\n        // Check that we have enough to start the tour.\n        this.checkMinimumRequirements();\n\n        return this;\n    }\n\n    /**\n     * Check that the configuration meets the minimum requirements.\n     *\n     * @method  checkMinimumRequirements\n     */\n    checkMinimumRequirements() {\n        // Need a tourName.\n        if (!this.tourName) {\n            throw new Error(\"Tour Name required\");\n        }\n\n        // Need a minimum of one step.\n        if (!this.steps || !this.steps.length) {\n            throw new Error(\"Steps must be specified\");\n        }\n    }\n\n    /**\n     * Reset step default configuration.\n     *\n     * @method  resetStepDefaults\n     * @param   {Boolean}   loadOriginalConfiguration   Whether to load the original configuration supplied with the Tour.\n     * @chainable\n     * @return {Object} this.\n     */\n    resetStepDefaults(loadOriginalConfiguration) {\n        if (typeof loadOriginalConfiguration === 'undefined') {\n            loadOriginalConfiguration = true;\n        }\n\n        this.stepDefaults = {};\n        if (!loadOriginalConfiguration || typeof this.originalConfiguration.stepDefaults === 'undefined') {\n            this.setStepDefaults({});\n        } else {\n            this.setStepDefaults(this.originalConfiguration.stepDefaults);\n        }\n\n        return this;\n    }\n\n    /**\n     * Set the step defaults.\n     *\n     * @method  setStepDefaults\n     * @param   {Object}    stepDefaults                The step defaults to apply to all steps\n     * @chainable\n     * @return {Object} this.\n     */\n    setStepDefaults(stepDefaults) {\n        if (!this.stepDefaults) {\n            this.stepDefaults = {};\n        }\n        $.extend(\n            this.stepDefaults,\n            {\n                element:        '',\n                placement:      'top',\n                delay:          0,\n                moveOnClick:    false,\n                moveAfterTime:  0,\n                orphan:         false,\n                direction:      1,\n            },\n            stepDefaults\n        );\n\n        return this;\n    }\n\n    /**\n     * Retrieve the current step number.\n     *\n     * @method  getCurrentStepNumber\n     * @return  {Integer}                   The current step number\n     */\n    getCurrentStepNumber() {\n        return parseInt(this.currentStepNumber, 10);\n    }\n\n    /**\n     * Store the current step number.\n     *\n     * @method  setCurrentStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @chainable\n     */\n    setCurrentStepNumber(stepNumber) {\n        this.currentStepNumber = stepNumber;\n        if (this.storage) {\n            try {\n                this.storage.setItem(this.storageKey, stepNumber);\n            } catch (e) {\n                if (e.code === DOMException.QUOTA_EXCEEDED_ERR) {\n                    this.storage.removeItem(this.storageKey);\n                }\n            }\n        }\n    }\n\n    /**\n     * Get the next step number after the currently displayed step.\n     *\n     * @method  getNextStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @return  {Integer}    The next step number to display\n     */\n    getNextStepNumber(stepNumber) {\n        if (typeof stepNumber === 'undefined') {\n            stepNumber = this.getCurrentStepNumber();\n        }\n        let nextStepNumber = stepNumber + 1;\n\n        // Keep checking the remaining steps.\n        while (nextStepNumber <= this.steps.length) {\n            if (this.isStepPotentiallyVisible(this.getStepConfig(nextStepNumber))) {\n                return nextStepNumber;\n            }\n            nextStepNumber++;\n        }\n\n        return null;\n    }\n\n    /**\n     * Get the previous step number before the currently displayed step.\n     *\n     * @method  getPreviousStepNumber\n     * @param   {Integer}   stepNumber      The current step number\n     * @return  {Integer}    The previous step number to display\n     */\n    getPreviousStepNumber(stepNumber) {\n        if (typeof stepNumber === 'undefined') {\n            stepNumber = this.getCurrentStepNumber();\n        }\n        let previousStepNumber = stepNumber - 1;\n\n        // Keep checking the remaining steps.\n        while (previousStepNumber >= 0) {\n            if (this.isStepPotentiallyVisible(this.getStepConfig(previousStepNumber))) {\n                return previousStepNumber;\n            }\n            previousStepNumber--;\n        }\n\n        return null;\n    }\n\n    /**\n     * Is the step the final step number?\n     *\n     * @method  isLastStep\n     * @param   {Integer}   stepNumber  Step number to test\n     * @return  {Boolean}               Whether the step is the final step\n     */\n    isLastStep(stepNumber) {\n        let nextStepNumber = this.getNextStepNumber(stepNumber);\n\n        return nextStepNumber === null;\n    }\n\n    /**\n     * Is the step the first step number?\n     *\n     * @method  isFirstStep\n     * @param   {Integer}   stepNumber  Step number to test\n     * @return  {Boolean}               Whether the step is the first step\n     */\n    isFirstStep(stepNumber) {\n        let previousStepNumber = this.getPreviousStepNumber(stepNumber);\n\n        return previousStepNumber === null;\n    }\n\n    /**\n     * Is this step potentially visible?\n     *\n     * @method  isStepPotentiallyVisible\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Boolean}               Whether the step is the potentially visible\n     */\n    isStepPotentiallyVisible(stepConfig) {\n        if (!stepConfig) {\n            // Without step config, there can be no step.\n            return false;\n        }\n\n        if (this.isStepActuallyVisible(stepConfig)) {\n            // If it is actually visible, it is already potentially visible.\n            return true;\n        }\n\n        if (typeof stepConfig.orphan !== 'undefined' && stepConfig.orphan) {\n            // Orphan steps have no target. They are always visible.\n            return true;\n        }\n\n        if (typeof stepConfig.delay !== 'undefined' && stepConfig.delay) {\n            // Only return true if the activated has not been used yet.\n            return true;\n        }\n\n        // Not theoretically, or actually visible.\n        return false;\n    }\n\n    /**\n     * Is this step actually visible?\n     *\n     * @method  isStepActuallyVisible\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Boolean}               Whether the step is actually visible\n     */\n    isStepActuallyVisible(stepConfig) {\n        if (!stepConfig) {\n            // Without step config, there can be no step.\n            return false;\n        }\n\n        let target = this.getStepTarget(stepConfig);\n        if (target && target.length && target.is(':visible')) {\n            // Without a target, there can be no step.\n            return !!target.length;\n        }\n\n        return false;\n    }\n\n    /**\n     * Go to the next step in the tour.\n     *\n     * @method  next\n     * @chainable\n     * @return {Object} this.\n     */\n    next() {\n        return this.gotoStep(this.getNextStepNumber());\n    }\n\n    /**\n     * Go to the previous step in the tour.\n     *\n     * @method  previous\n     * @chainable\n     * @return {Object} this.\n     */\n    previous() {\n        return this.gotoStep(this.getPreviousStepNumber(), -1);\n    }\n\n    /**\n     * Go to the specified step in the tour.\n     *\n     * @method  gotoStep\n     * @param   {Integer}   stepNumber     The step number to display\n     * @param   {Integer}   direction      Next or previous step\n     * @chainable\n     * @return {Object} this.\n     */\n    gotoStep(stepNumber, direction) {\n        if (stepNumber < 0) {\n            return this.endTour();\n        }\n\n        let stepConfig = this.getStepConfig(stepNumber);\n        if (stepConfig === null) {\n            return this.endTour();\n        }\n\n        return this._gotoStep(stepConfig, direction);\n    }\n\n    _gotoStep(stepConfig, direction) {\n        if (!stepConfig) {\n            return this.endTour();\n        }\n\n        if (typeof stepConfig.delay !== 'undefined' && stepConfig.delay && !stepConfig.delayed) {\n            stepConfig.delayed = true;\n            window.setTimeout(this._gotoStep.bind(this), stepConfig.delay, stepConfig, direction);\n\n            return this;\n        } else if (!stepConfig.orphan && !this.isStepActuallyVisible(stepConfig)) {\n            let fn = direction == -1 ? 'getPreviousStepNumber' : 'getNextStepNumber';\n            return this.gotoStep(this[fn](stepConfig.stepNumber), direction);\n        }\n\n        this.hide();\n\n        this.fireEventHandlers('beforeRender', stepConfig);\n        this.renderStep(stepConfig);\n        this.fireEventHandlers('afterRender', stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Fetch the normalised step configuration for the specified step number.\n     *\n     * @method  getStepConfig\n     * @param   {Integer}   stepNumber      The step number to fetch configuration for\n     * @return  {Object}                    The step configuration\n     */\n    getStepConfig(stepNumber) {\n        if (stepNumber === null || stepNumber < 0 || stepNumber >= this.steps.length) {\n            return null;\n        }\n\n        // Normalise the step configuration.\n        let stepConfig = this.normalizeStepConfig(this.steps[stepNumber]);\n\n        // Add the stepNumber to the stepConfig.\n        stepConfig = $.extend(stepConfig, {stepNumber: stepNumber});\n\n        return stepConfig;\n    }\n\n    /**\n     * Normalise the supplied step configuration.\n     *\n     * @method  normalizeStepConfig\n     * @param   {Object}    stepConfig      The step configuration to normalise\n     * @return  {Object}                    The normalised step configuration\n     */\n    normalizeStepConfig(stepConfig) {\n\n        if (typeof stepConfig.reflex !== 'undefined' && typeof stepConfig.moveAfterClick === 'undefined') {\n            stepConfig.moveAfterClick = stepConfig.reflex;\n        }\n\n        if (typeof stepConfig.element !== 'undefined' && typeof stepConfig.target === 'undefined') {\n            stepConfig.target = stepConfig.element;\n        }\n\n        if (typeof stepConfig.content !== 'undefined' && typeof stepConfig.body === 'undefined') {\n            stepConfig.body = stepConfig.content;\n        }\n\n        stepConfig = $.extend({}, this.stepDefaults, stepConfig);\n\n        stepConfig = $.extend({}, {\n            attachTo: stepConfig.target,\n            attachPoint: 'after',\n        }, stepConfig);\n\n        if (stepConfig.attachTo) {\n            stepConfig.attachTo = $(stepConfig.attachTo).first();\n        }\n\n        return stepConfig;\n    }\n\n    /**\n     * Fetch the actual step target from the selector.\n     *\n     * This should not be called until after any delay has completed.\n     *\n     * @method  getStepTarget\n     * @param   {Object}    stepConfig      The step configuration\n     * @return  {$}\n     */\n    getStepTarget(stepConfig) {\n        if (stepConfig.target) {\n            return $(stepConfig.target);\n        }\n\n        return null;\n    }\n\n    /**\n     * Fire any event handlers for the specified event.\n     *\n     * @param   {String}    eventName       The name of the event to handle\n     * @param   {Object}    data            Any data to pass to the event\n     * @chainable\n     * @return {Object} this.\n     */\n    fireEventHandlers(eventName, data) {\n        if (typeof this.eventHandlers[eventName] === 'undefined') {\n            return this;\n        }\n\n        this.eventHandlers[eventName].forEach(function(thisEvent) {\n            thisEvent.call(this, data);\n        }, this);\n\n        return this;\n    }\n\n    /**\n     * @method addEventHandler\n     * @param  {string}      eventName       The name of the event to listen for\n     * @param  {function}    handler         The event handler to call\n     * @return {Object} this.\n     */\n    addEventHandler(eventName, handler) {\n        if (typeof this.eventHandlers[eventName] === 'undefined') {\n            this.eventHandlers[eventName] = [];\n        }\n\n        this.eventHandlers[eventName].push(handler);\n\n        return this;\n    }\n\n    /**\n     * Process listeners for the step being shown.\n     *\n     * @method  processStepListeners\n     * @param   {object}    stepConfig      The configuration for the step\n     * @chainable\n     * @return {Object} this.\n     */\n    processStepListeners(stepConfig) {\n        this.listeners.push(\n        // Next/Previous buttons.\n        {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"next\"]', $.proxy(this.next, this)]\n        }, {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"previous\"]', $.proxy(this.previous, this)]\n        },\n\n        // Close and end tour buttons.\n        {\n            node: this.currentStepNode,\n            args: ['click', '[data-role=\"end\"]', $.proxy(this.endTour, this)]\n        },\n\n        // Click backdrop and hide tour.\n        {\n            node: $('[data-flexitour=\"backdrop\"]'),\n            args: ['click', $.proxy(this.hide, this)]\n        },\n\n        // Keypresses.\n        {\n            node: $('body'),\n            args: ['keydown', $.proxy(this.handleKeyDown, this)]\n        });\n\n        if (stepConfig.moveOnClick) {\n            var targetNode = this.getStepTarget(stepConfig);\n            this.listeners.push({\n                node: targetNode,\n                args: ['click', $.proxy(function(e) {\n                    if ($(e.target).parents('[data-flexitour=\"container\"]').length === 0) {\n                        // Ignore clicks when they are in the flexitour.\n                        window.setTimeout($.proxy(this.next, this), 500);\n                    }\n                }, this)]\n            });\n        }\n\n        this.listeners.forEach(function (listener) {\n            listener.node.on.apply(listener.node, listener.args);\n        });\n\n        return this;\n    }\n\n    /**\n     * Reset step listeners.\n     *\n     * @method  resetStepListeners\n     * @chainable\n     * @return {Object} this.\n     */\n    resetStepListeners() {\n        // Stop listening to all external handlers.\n        if (this.listeners) {\n            this.listeners.forEach(function(listener) {\n                listener.node.off.apply(listener.node, listener.args);\n            });\n        }\n        this.listeners = [];\n\n        return this;\n    }\n\n    /**\n     * The standard step renderer.\n     *\n     * @method  renderStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    renderStep(stepConfig) {\n        // Store the current step configuration for later.\n        this.currentStepConfig = stepConfig;\n        this.setCurrentStepNumber(stepConfig.stepNumber);\n\n        // Fetch the template and convert it to a $ object.\n        let template = $(this.getTemplateContent());\n\n        // Title.\n        template.find('[data-placeholder=\"title\"]')\n            .html(stepConfig.title);\n\n        // Body.\n        template.find('[data-placeholder=\"body\"]')\n            .html(stepConfig.body);\n\n        // Is this the first step?\n        if (this.isFirstStep(stepConfig.stepNumber)) {\n            template.find('[data-role=\"previous\"]').hide();\n        } else {\n            template.find('[data-role=\"previous\"]').prop('disabled', false);\n        }\n\n        // Is this the final step?\n        if (this.isLastStep(stepConfig.stepNumber)) {\n            template.find('[data-role=\"next\"]').hide();\n            template.find('[data-role=\"end\"]').removeClass(\"btn-secondary\").addClass(\"btn-primary\");\n        } else {\n            template.find('[data-role=\"next\"]').prop('disabled', false);\n        }\n\n        template.find('[data-role=\"previous\"]').attr('role', 'button');\n        template.find('[data-role=\"next\"]').attr('role', 'button');\n        template.find('[data-role=\"end\"]').attr('role', 'button');\n\n        // Replace the template with the updated version.\n        stepConfig.template = template;\n\n        // Add to the page.\n        this.addStepToPage(stepConfig);\n\n        // Process step listeners after adding to the page.\n        // This uses the currentNode.\n        this.processStepListeners(stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Getter for the template content.\n     *\n     * @method  getTemplateContent\n     * @return  {$}\n     */\n    getTemplateContent() {\n        return $(this.templateContent).clone();\n    }\n\n    /**\n     * Helper to add a step to the page.\n     *\n     * @method  addStepToPage\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    addStepToPage(stepConfig) {\n        // Create the stepNode from the template data.\n        let currentStepNode = $('<span data-flexitour=\"container\"></span>')\n            .html(stepConfig.template)\n            .hide();\n\n        // The scroll animation occurs on the body or html.\n        let animationTarget = $('body, html')\n            .stop(true, true);\n\n        if (this.isStepActuallyVisible(stepConfig)) {\n            let targetNode = this.getStepTarget(stepConfig);\n\n            targetNode.data('flexitour', 'target');\n\n            let zIndex = this.calculateZIndex(targetNode);\n            if (zIndex) {\n                stepConfig.zIndex = zIndex + 1;\n            }\n\n            if (stepConfig.zIndex) {\n                currentStepNode.css('zIndex', stepConfig.zIndex + 1);\n            }\n\n            // Add the backdrop.\n            this.positionBackdrop(stepConfig);\n\n            $(document.body).append(currentStepNode);\n            this.currentStepNode = currentStepNode;\n\n            // Ensure that the step node is positioned.\n            // Some situations mean that the value is not properly calculated without this step.\n            this.currentStepNode.css({\n                top: 0,\n                left: 0,\n            });\n\n            animationTarget\n                .animate({\n                    scrollTop: this.calculateScrollTop(stepConfig),\n                }).promise().then(function() {\n                        this.positionStep(stepConfig);\n                        this.revealStep(stepConfig);\n                        return;\n                    }.bind(this))\n                    .catch(function() {\n                        // Silently fail.\n                    });\n\n        } else if (stepConfig.orphan) {\n            stepConfig.isOrphan = true;\n\n            // This will be appended to the body instead.\n            stepConfig.attachTo = $('body').first();\n            stepConfig.attachPoint = 'append';\n\n            // Add the backdrop.\n            this.positionBackdrop(stepConfig);\n\n            // This is an orphaned step.\n            currentStepNode.addClass('orphan');\n\n            // It lives in the body.\n            $(document.body).append(currentStepNode);\n            this.currentStepNode = currentStepNode;\n\n            this.currentStepNode.offset(this.calculateStepPositionInPage());\n            this.currentStepNode.css('position', 'fixed');\n\n            this.currentStepPopper = new Popper(\n                $('body'),\n                this.currentStepNode[0], {\n                    removeOnDestroy: true,\n                    placement: stepConfig.placement + '-start',\n                    arrowElement: '[data-role=\"arrow\"]',\n                    // Empty the modifiers. We've already placed the step and don't want it moved.\n                    modifiers: {\n                        hide: {\n                            enabled: false,\n                        },\n                        applyStyle: {\n                            onLoad: null,\n                            enabled: false,\n                        },\n                    }\n                }\n            );\n\n            this.revealStep(stepConfig);\n        }\n\n        return this;\n    }\n\n    /**\n     * Make the given step visible.\n     *\n     * @method revealStep\n     * @param {Object} stepConfig The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    revealStep(stepConfig) {\n        // Fade the step in.\n        this.currentStepNode.fadeIn('', $.proxy(function() {\n                // Announce via ARIA.\n                this.announceStep(stepConfig);\n\n                // Focus on the current step Node.\n                this.currentStepNode.focus();\n                window.setTimeout($.proxy(function() {\n                    // After a brief delay, focus again.\n                    // There seems to be an issue with Jaws where it only reads the dialogue title initially.\n                    // This second focus helps it to read the full dialogue.\n                    if (this.currentStepNode) {\n                        this.currentStepNode.focus();\n                    }\n                }, this), 100);\n\n            }, this));\n\n        return this;\n    }\n\n    /**\n     * Helper to announce the step on the page.\n     *\n     * @method  announceStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    announceStep(stepConfig) {\n        // Setup the step Dialogue as per:\n        // * https://www.w3.org/TR/wai-aria-practices/#dialog_nonmodal\n        // * https://www.w3.org/TR/wai-aria-practices/#dialog_modal\n\n        // Generate an ID for the current step node.\n        let stepId = 'tour-step-' + this.tourName + '-' + stepConfig.stepNumber;\n        this.currentStepNode.attr('id', stepId);\n\n        let bodyRegion = this.currentStepNode.find('[data-placeholder=\"body\"]').first();\n        bodyRegion.attr('id', stepId + '-body');\n        bodyRegion.attr('role', 'document');\n\n        let headerRegion = this.currentStepNode.find('[data-placeholder=\"title\"]').first();\n        headerRegion.attr('id', stepId + '-title');\n        headerRegion.attr('aria-labelledby', stepId + '-body');\n\n        // Generally, a modal dialog has a role of dialog.\n        this.currentStepNode.attr('role', 'dialog');\n        this.currentStepNode.attr('tabindex', 0);\n        this.currentStepNode.attr('aria-labelledby', stepId + '-title');\n        this.currentStepNode.attr('aria-describedby', stepId + '-body');\n\n        // Configure ARIA attributes on the target.\n        let target = this.getStepTarget(stepConfig);\n        if (target) {\n            if (!target.attr('tabindex')) {\n                target.attr('tabindex', 0);\n            }\n\n            target\n                .data('original-describedby', target.attr('aria-describedby'))\n                .attr('aria-describedby', stepId + '-body')\n                ;\n        }\n\n        this.accessibilityShow(stepConfig);\n\n        return this;\n    }\n\n    /**\n     * Handle key down events.\n     *\n     * @method  handleKeyDown\n     * @param   {EventFacade} e\n     */\n    handleKeyDown(e) {\n        let tabbableSelector = 'a[href], link[href], [draggable=true], [contenteditable=true], ';\n        tabbableSelector += ':input:enabled, [tabindex], button:enabled';\n        switch (e.keyCode) {\n            case 27:\n                this.endTour();\n                break;\n\n            // 9 == Tab - trap focus for items with a backdrop.\n            case 9:\n                // Tab must be handled on key up only in this instance.\n                (function() {\n                    if (!this.currentStepConfig.hasBackdrop) {\n                        // Trapping tab focus is only handled for those steps with a backdrop.\n                        return;\n                    }\n\n                    // Find all tabbable locations.\n                    let activeElement = $(document.activeElement);\n                    let stepTarget = this.getStepTarget(this.currentStepConfig);\n                    let tabbableNodes = $(tabbableSelector);\n                    let dialogContainer = $('span[data-flexitour=\"container\"]');\n                    let currentIndex;\n                    // Filter out element which is not belong to target section or dialogue.\n                    if (stepTarget) {\n                        tabbableNodes = tabbableNodes.filter(function(index, element) {\n                            return stepTarget !== null\n                                && (stepTarget.has(element).length\n                                    || dialogContainer.has(element).length\n                                    || stepTarget.is(element)\n                                    || dialogContainer.is(element));\n                        });\n                    }\n\n                    // Find index of focusing element.\n                    tabbableNodes.each(function(index, element) {\n                        if (activeElement.is(element)) {\n                            currentIndex = index;\n                            return false;\n                        }\n                        // Keep looping.\n                        return true;\n                    });\n\n                    let nextIndex;\n                    let nextNode;\n                    let focusRelevant;\n                    if (currentIndex != void 0) {\n                        let direction = 1;\n                        if (e.shiftKey) {\n                            direction = -1;\n                        }\n                        nextIndex = currentIndex;\n                        do {\n                            nextIndex += direction;\n                            nextNode = $(tabbableNodes[nextIndex]);\n                        } while (nextNode.length && nextNode.is(':disabled') || nextNode.is(':hidden'));\n                        if (nextNode.length) {\n                            // A new f\n                            focusRelevant = nextNode.closest(stepTarget).length;\n                            focusRelevant = focusRelevant || nextNode.closest(this.currentStepNode).length;\n                        } else {\n                            // Unable to find the target somehow.\n                            focusRelevant = false;\n                        }\n                    }\n\n                    if (focusRelevant) {\n                        nextNode.focus();\n                    } else {\n                        if (e.shiftKey) {\n                            // Focus on the last tabbable node in the step.\n                            this.currentStepNode.find(tabbableSelector).last().focus();\n                        } else {\n                            if (this.currentStepConfig.isOrphan) {\n                                // Focus on the step - there is no target.\n                                this.currentStepNode.focus();\n                            } else {\n                                // Focus on the step target.\n                                stepTarget.focus();\n                            }\n                        }\n                    }\n                    e.preventDefault();\n                }).call(this);\n                break;\n        }\n    }\n\n    /**\n     * Start the current tour.\n     *\n     * @method  startTour\n     * @param   {Integer}   startAt     Which step number to start at. If not specified, starts at the last point.\n     * @chainable\n     * @return {Object} this.\n     */\n    startTour(startAt) {\n        if (this.storage && typeof startAt === 'undefined') {\n            let storageStartValue = this.storage.getItem(this.storageKey);\n            if (storageStartValue) {\n                let storageStartAt = parseInt(storageStartValue, 10);\n                if (storageStartAt <= this.steps.length) {\n                    startAt = storageStartAt;\n                }\n            }\n        }\n\n        if (typeof startAt === 'undefined') {\n            startAt = this.getCurrentStepNumber();\n        }\n\n        this.fireEventHandlers('beforeStart', startAt);\n        this.gotoStep(startAt);\n        this.fireEventHandlers('afterStart', startAt);\n\n        return this;\n    }\n\n    /**\n     * Restart the tour from the beginning, resetting the completionlag.\n     *\n     * @method  restartTour\n     * @chainable\n     * @return {Object} this.\n     */\n    restartTour() {\n        return this.startTour(0);\n    }\n\n    /**\n     * End the current tour.\n     *\n     * @method  endTour\n     * @chainable\n     * @return {Object} this.\n     */\n    endTour() {\n        this.fireEventHandlers('beforeEnd');\n\n        if (this.currentStepConfig) {\n            let previousTarget = this.getStepTarget(this.currentStepConfig);\n            if (previousTarget) {\n                if (!previousTarget.attr('tabindex')) {\n                    previousTarget.attr('tabindex', '-1');\n                }\n                previousTarget.focus();\n            }\n        }\n\n        this.hide(true);\n\n        this.fireEventHandlers('afterEnd');\n\n        return this;\n    }\n\n    /**\n     * Hide any currently visible steps.\n     *\n     * @method hide\n     * @param {Bool} transition Animate the visibility change\n     * @chainable\n     * @return {Object} this.\n     */\n    hide(transition) {\n        this.fireEventHandlers('beforeHide');\n\n        if (this.currentStepNode && this.currentStepNode.length) {\n            this.currentStepNode.hide();\n            if (this.currentStepPopper) {\n                this.currentStepPopper.destroy();\n            }\n        }\n\n        // Restore original target configuration.\n        if (this.currentStepConfig) {\n            let target = this.getStepTarget(this.currentStepConfig);\n            if (target) {\n                if (target.data('original-labelledby')) {\n                    target.attr('aria-labelledby', target.data('original-labelledby'));\n                }\n\n                if (target.data('original-describedby')) {\n                    target.attr('aria-describedby', target.data('original-describedby'));\n                }\n\n                if (target.data('original-tabindex')) {\n                    target.attr('tabindex', target.data('tabindex'));\n                }\n            }\n\n            // Clear the step configuration.\n            this.currentStepConfig = null;\n        }\n\n        let fadeTime = 0;\n        if (transition) {\n            fadeTime = 400;\n        }\n\n        // Remove the backdrop features.\n        $('[data-flexitour=\"step-background\"]').remove();\n        $('[data-flexitour=\"step-backdrop\"]').removeAttr('data-flexitour');\n        $('[data-flexitour=\"backdrop\"]').fadeOut(fadeTime, function() {\n            $(this).remove();\n        });\n\n        // Remove aria-describedby and tabindex attributes.\n        if (this.currentStepNode && this.currentStepNode.length) {\n            let stepId = this.currentStepNode.attr('id');\n            if (stepId) {\n                let currentStepElement = '[aria-describedby=\"' + stepId + '-body\"]';\n                $(currentStepElement).removeAttr('tabindex');\n                $(currentStepElement).removeAttr('aria-describedby');\n            }\n        }\n\n        // Reset the listeners.\n        this.resetStepListeners();\n\n        this.accessibilityHide();\n\n        this.fireEventHandlers('afterHide');\n\n        this.currentStepNode = null;\n        this.currentStepPopper = null;\n        return this;\n    }\n\n    /**\n     * Show the current steps.\n     *\n     * @method show\n     * @chainable\n     * @return {Object} this.\n     */\n    show() {\n        // Show the current step.\n        let startAt = this.getCurrentStepNumber();\n\n        return this.gotoStep(startAt);\n    }\n\n    /**\n     * Return the current step node.\n     *\n     * @method  getStepContainer\n     * @return  {jQuery}\n     */\n    getStepContainer() {\n        return $(this.currentStepNode);\n    }\n\n    /**\n     * Calculate scrollTop.\n     *\n     * @method  calculateScrollTop\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @return  {Number}\n     */\n    calculateScrollTop(stepConfig) {\n        let scrollTop = $(window).scrollTop();\n        let viewportHeight = $(window).height();\n        let targetNode = this.getStepTarget(stepConfig);\n\n        if (stepConfig.placement === 'top') {\n            // If the placement is top, center scroll at the top of the target.\n            scrollTop = targetNode.offset().top - (viewportHeight / 2);\n        } else if (stepConfig.placement === 'bottom') {\n            // If the placement is bottom, center scroll at the bottom of the target.\n            scrollTop = targetNode.offset().top + targetNode.height() - (viewportHeight / 2);\n        } else if (targetNode.height() <= (viewportHeight * 0.8)) {\n            // If the placement is left/right, and the target fits in the viewport, centre screen on the target\n            scrollTop = targetNode.offset().top - ((viewportHeight - targetNode.height()) / 2);\n        } else {\n            // If the placement is left/right, and the target is bigger than the viewport, set scrollTop to target.top + buffer\n            // and change step attachmentTarget to top+.\n            scrollTop = targetNode.offset().top - (viewportHeight * 0.2);\n        }\n\n        // Never scroll over the top.\n        scrollTop = Math.max(0, scrollTop);\n\n        // Never scroll beyond the bottom.\n        scrollTop = Math.min($(document).height() - viewportHeight, scrollTop);\n\n        return Math.ceil(scrollTop);\n    }\n\n    /**\n     * Calculate dialogue position for page middle.\n     *\n     * @method  calculateScrollTop\n     * @return  {Number}\n     */\n    calculateStepPositionInPage() {\n        let viewportHeight = $(window).height();\n        let stepHeight = this.currentStepNode.height();\n\n        let viewportWidth = $(window).width();\n        let stepWidth = this.currentStepNode.width();\n\n        return {\n            top: Math.ceil((viewportHeight - stepHeight) / 2),\n            left: Math.ceil((viewportWidth - stepWidth) / 2)\n        };\n    }\n\n    /**\n     * Position the step on the page.\n     *\n     * @method  positionStep\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    positionStep(stepConfig) {\n        let content = this.currentStepNode;\n        if (!content || !content.length) {\n            // Unable to find the step node.\n            return this;\n        }\n\n        let flipBehavior;\n        switch (stepConfig.placement) {\n            case 'left':\n                flipBehavior = ['left', 'right', 'top', 'bottom'];\n                break;\n            case 'right':\n                flipBehavior = ['right', 'left', 'top', 'bottom'];\n                break;\n            case 'top':\n                flipBehavior = ['top', 'bottom', 'right', 'left'];\n                break;\n            case 'bottom':\n                flipBehavior = ['bottom', 'top', 'right', 'left'];\n                break;\n            default:\n                flipBehavior = 'flip';\n                break;\n        }\n\n        let target = this.getStepTarget(stepConfig);\n        var config = {\n            placement: stepConfig.placement + '-start',\n            removeOnDestroy: true,\n            modifiers: {\n                flip: {\n                    behaviour: flipBehavior,\n                },\n                arrow: {\n                    element: '[data-role=\"arrow\"]',\n                },\n            },\n            onCreate: function(data) {\n                recalculateArrowPosition(data);\n            },\n            onUpdate: function(data) {\n                recalculateArrowPosition(data);\n            },\n        };\n\n        let recalculateArrowPosition = function(data) {\n            let placement = data.placement.split('-')[0];\n            const isVertical = ['left', 'right'].indexOf(placement) !== -1;\n            const arrowElement = data.instance.popper.querySelector('[data-role=\"arrow\"]');\n            const stepElement = $(data.instance.popper.querySelector('[data-role=\"flexitour-step\"]'));\n            if (isVertical) {\n                let arrowHeight = parseFloat(window.getComputedStyle(arrowElement).height);\n                let arrowOffset = parseFloat(window.getComputedStyle(arrowElement).top);\n                let popperHeight = parseFloat(window.getComputedStyle(data.instance.popper).height);\n                let popperOffset = parseFloat(window.getComputedStyle(data.instance.popper).top);\n                let popperBorderWidth = parseFloat(stepElement.css('borderTopWidth'));\n                let popperBorderRadiusWidth = parseFloat(stepElement.css('borderTopLeftRadius')) * 2;\n                let arrowPos = arrowOffset + (arrowHeight / 2);\n                let maxPos = popperHeight + popperOffset - popperBorderWidth - popperBorderRadiusWidth;\n                let minPos = popperOffset + popperBorderWidth + popperBorderRadiusWidth;\n                if (arrowPos >= maxPos || arrowPos <= minPos) {\n                    let newArrowPos = 0;\n                    if (arrowPos > (popperHeight / 2)) {\n                        newArrowPos = maxPos - arrowHeight;\n                    } else {\n                        newArrowPos = minPos + arrowHeight;\n                    }\n                    $(arrowElement).css('top', newArrowPos);\n                }\n            } else {\n                let arrowWidth = parseFloat(window.getComputedStyle(arrowElement).width);\n                let arrowOffset = parseFloat(window.getComputedStyle(arrowElement).left);\n                let popperWidth = parseFloat(window.getComputedStyle(data.instance.popper).width);\n                let popperOffset = parseFloat(window.getComputedStyle(data.instance.popper).left);\n                let popperBorderWidth = parseFloat(stepElement.css('borderTopWidth'));\n                let popperBorderRadiusWidth = parseFloat(stepElement.css('borderTopLeftRadius')) * 2;\n                let arrowPos = arrowOffset + (arrowWidth / 2);\n                let maxPos = popperWidth + popperOffset - popperBorderWidth - popperBorderRadiusWidth;\n                let minPos = popperOffset + popperBorderWidth + popperBorderRadiusWidth;\n                if (arrowPos >= maxPos || arrowPos <= minPos) {\n                    let newArrowPos = 0;\n                    if (arrowPos > (popperWidth / 2)) {\n                        newArrowPos = maxPos - arrowWidth;\n                    } else {\n                        newArrowPos = minPos + arrowWidth;\n                    }\n                    $(arrowElement).css('left', newArrowPos);\n                }\n            }\n        };\n\n        let background = $('[data-flexitour=\"step-background\"]');\n        if (background.length) {\n            target = background;\n        }\n        this.currentStepPopper = new Popper(target, content[0], config);\n\n        return this;\n    }\n\n    /**\n     * Add the backdrop.\n     *\n     * @method  positionBackdrop\n     * @param   {Object}    stepConfig      The step configuration of the step\n     * @chainable\n     * @return {Object} this.\n     */\n    positionBackdrop(stepConfig) {\n        if (stepConfig.backdrop) {\n            this.currentStepConfig.hasBackdrop = true;\n            let backdrop = $('<div data-flexitour=\"backdrop\"></div>');\n\n            if (stepConfig.zIndex) {\n                if (stepConfig.attachPoint === 'append') {\n                    stepConfig.attachTo.append(backdrop);\n                } else {\n                    backdrop.insertAfter(stepConfig.attachTo);\n                }\n            } else {\n                $('body').append(backdrop);\n            }\n\n            if (this.isStepActuallyVisible(stepConfig)) {\n                // The step has a visible target.\n                // Punch a hole through the backdrop.\n                let background = $('<div data-flexitour=\"step-background\"></div>');\n\n                let targetNode = this.getStepTarget(stepConfig);\n\n                let buffer = 10;\n\n                let colorNode = targetNode;\n                if (buffer) {\n                    colorNode = $('body');\n                }\n\n                background.css({\n                    width: targetNode.outerWidth() + buffer + buffer,\n                    height: targetNode.outerHeight() + buffer + buffer,\n                    left: targetNode.offset().left - buffer,\n                    top: targetNode.offset().top - buffer,\n                    backgroundColor: this.calculateInherittedBackgroundColor(colorNode),\n                });\n\n                if (targetNode.offset().left < buffer) {\n                    background.css({\n                        width: targetNode.outerWidth() + targetNode.offset().left + buffer,\n                        left: targetNode.offset().left,\n                    });\n                }\n\n                if (targetNode.offset().top < buffer) {\n                    background.css({\n                        height: targetNode.outerHeight() + targetNode.offset().top + buffer,\n                        top: targetNode.offset().top,\n                    });\n                }\n\n                let targetRadius = targetNode.css('borderRadius');\n                if (targetRadius && targetRadius !== $('body').css('borderRadius')) {\n                    background.css('borderRadius', targetRadius);\n                }\n\n                let targetPosition = this.calculatePosition(targetNode);\n                if (targetPosition === 'fixed') {\n                    background.css('top', 0);\n                } else if (targetPosition === 'absolute') {\n                    background.css('position', 'fixed');\n                }\n\n                let fader = background.clone();\n                fader.css({\n                    backgroundColor: backdrop.css('backgroundColor'),\n                    opacity: backdrop.css('opacity'),\n                });\n                fader.attr('data-flexitour', 'step-background-fader');\n\n                if (stepConfig.zIndex) {\n                    if (stepConfig.attachPoint === 'append') {\n                        stepConfig.attachTo.append(background);\n                    } else {\n                        fader.insertAfter(stepConfig.attachTo);\n                        background.insertAfter(stepConfig.attachTo);\n                    }\n                } else {\n                    $('body').append(fader);\n                    $('body').append(background);\n                }\n\n                // Add the backdrop data to the actual target.\n                // This is the part which actually does the work.\n                targetNode.attr('data-flexitour', 'step-backdrop');\n\n                if (stepConfig.zIndex) {\n                    backdrop.css('zIndex', stepConfig.zIndex);\n                    background.css('zIndex', stepConfig.zIndex + 1);\n                    targetNode.css('zIndex', stepConfig.zIndex + 2);\n                }\n\n                fader.fadeOut('2000', function() {\n                    $(this).remove();\n                });\n            }\n        }\n        return this;\n    }\n\n    /**\n     * Calculate the inheritted z-index.\n     *\n     * @method  calculateZIndex\n     * @param   {jQuery}    elem                        The element to calculate z-index for\n     * @return  {Number}                                Calculated z-index\n     */\n    calculateZIndex(elem) {\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            // Ignore z-index if position is set to a value where z-index is ignored by the browser\n            // This makes behavior of this function consistent across browsers\n            // WebKit always returns auto if the element is positioned.\n            let position = elem.css(\"position\");\n            if (position === \"absolute\" || position === \"relative\" || position === \"fixed\") {\n                // IE returns 0 when zIndex is not specified\n                // other browsers return a string\n                // we ignore the case of nested elements with an explicit value of 0\n                // <div style=\"z-index: -10;\"><div style=\"z-index: 0;\"></div></div>\n                let value = parseInt(elem.css(\"zIndex\"), 10);\n                if (!isNaN(value) && value !== 0) {\n                    return value;\n                }\n            }\n            elem = elem.parent();\n        }\n\n        return 0;\n    }\n\n    /**\n     * Calculate the inheritted background colour.\n     *\n     * @method  calculateInherittedBackgroundColor\n     * @param   {jQuery}    elem                        The element to calculate colour for\n     * @return  {String}                                Calculated background colour\n     */\n    calculateInherittedBackgroundColor(elem) {\n        // Use a fake node to compare each element against.\n        let fakeNode = $('<div>').hide();\n        $('body').append(fakeNode);\n        let fakeElemColor = fakeNode.css('backgroundColor');\n        fakeNode.remove();\n\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            let color = elem.css('backgroundColor');\n            if (color !== fakeElemColor) {\n                return color;\n            }\n            elem = elem.parent();\n        }\n\n        return null;\n    }\n\n    /**\n     * Calculate the inheritted position.\n     *\n     * @method  calculatePosition\n     * @param   {jQuery}    elem                        The element to calculate position for\n     * @return  {String}                                Calculated position\n     */\n    calculatePosition(elem) {\n        elem = $(elem);\n        while (elem.length && elem[0] !== document) {\n            let position = elem.css('position');\n            if (position !== 'static') {\n                return position;\n            }\n            elem = elem.parent();\n        }\n\n        return null;\n    }\n\n    /**\n     * Perform accessibility changes for step shown.\n     *\n     * This will add aria-hidden=\"true\" to all siblings and parent siblings.\n     *\n     * @method  accessibilityShow\n     */\n    accessibilityShow() {\n        let stateHolder = 'data-has-hidden';\n        let attrName = 'aria-hidden';\n        let hideFunction = function(child) {\n            let flexitourRole = child.data('flexitour');\n            if (flexitourRole) {\n                switch (flexitourRole) {\n                    case 'container':\n                    case 'target':\n                        return;\n                }\n            }\n\n            let hidden = child.attr(attrName);\n            if (!hidden) {\n                child.attr(stateHolder, true);\n                child.attr(attrName, true);\n            }\n        };\n\n        this.currentStepNode.siblings().each(function(index, node) {\n            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\ No newline at end of file
diff --git a/admin/tool/usertours/amd/build/usertours.min.js b/admin/tool/usertours/amd/build/usertours.min.js
index 6b16a51a322..edd54e1ad0e 100644
--- a/admin/tool/usertours/amd/build/usertours.min.js
+++ b/admin/tool/usertours/amd/build/usertours.min.js
@@ -1,2 +1,3 @@
-define ("tool_usertours/usertours",["core/ajax","tool_usertours/tour","jquery","core/templates","core/str","core/log","core/notification"],function(a,b,c,d,e,f,g){var h={tourId:null,currentTour:null,context:null,init:function init(a,b,d){h.tourId=a;h.context=d;if("undefined"==typeof b){b=!0}if(b){h.fetchTour(a)}h.addResetLink();c("body").on("click","[data-action=\"tool_usertours/resetpagetour\"]",function(a){a.preventDefault();h.resetTourState(h.tourId)})},fetchTour:function fetchTour(b){M.util.js_pending("admin_usertour_fetchTour"+b);c.when(a.call([{methodname:"tool_usertours_fetch_and_start_tour",args:{tourid:b,context:h.context,pageurl:window.location.href}}])[0],d.render("tool_usertours/tourstep",{})).then(function(a,c){if(!a.hasOwnProperty("tourconfig")){return}return h.startBootstrapTour(b,c[0],a.tourconfig)}).always(function(){M.util.js_complete("admin_usertour_fetchTour"+b)}).fail(g.exception)},addResetLink:function addResetLink(){var a;M.util.js_pending("admin_usertour_addResetLink");if(c(".tool_usertours-resettourcontainer").length){a=c(".tool_usertours-resettourcontainer")}else if(c(".logininfo").length){a=c(".logininfo")}else if(c("footer").length){a=c("footer")}else{a=c("body")}d.render("tool_usertours/resettour",{}).then(function(b,c){d.appendNodeContents(a,b,c)}).always(function(){M.util.js_complete("admin_usertour_addResetLink")}).fail()},startBootstrapTour:function startBootstrapTour(a,c,d){if(h.currentTour){d.onEnd=null;h.currentTour.endTour();delete h.currentTour}d.eventHandlers={afterEnd:[h.markTourComplete],afterRender:[h.markStepShown]};d.tourName=d.name;delete d.name;d.template=c;d.steps=d.steps.map(function(a){if("undefined"!=typeof a.element){a.target=a.element;delete a.element}if("undefined"!=typeof a.reflex){a.moveOnClick=!!a.reflex;delete a.reflex}if("undefined"!=typeof a.content){a.body=a.content;delete a.content}return a});h.currentTour=new b(d);return h.currentTour.startTour()},markStepShown:function markStepShown(){var b=this.getStepConfig(this.getCurrentStepNumber());c.when(a.call([{methodname:"tool_usertours_step_shown",args:{tourid:h.tourId,context:h.context,pageurl:window.location.href,stepid:b.stepid,stepindex:this.getCurrentStepNumber()}}])[0]).fail(f.error)},markTourComplete:function markTourComplete(){var b=this.getStepConfig(this.getCurrentStepNumber());c.when(a.call([{methodname:"tool_usertours_complete_tour",args:{tourid:h.tourId,context:h.context,pageurl:window.location.href,stepid:b.stepid,stepindex:this.getCurrentStepNumber()}}])[0]).fail(f.error)},resetTourState:function resetTourState(b){c.when(a.call([{methodname:"tool_usertours_reset_tour",args:{tourid:b,context:h.context,pageurl:window.location.href}}])[0]).then(function(a){if(a.startTour){h.fetchTour(a.startTour)}}).fail(g.exception)}};return{init:h.init,resetTourState:h.resetTourState}});
-//# sourceMappingURL=usertours.min.js.map
+define("tool_usertours/usertours",["core/ajax","tool_usertours/tour","jquery","core/templates","core/str","core/log","core/notification"],(function(ajax,BootstrapTour,$,templates,str,log,notification){var usertours={tourId:null,currentTour:null,context:null,init:function(tourId,startTour,context){usertours.tourId=tourId,usertours.context=context,void 0===startTour&&(startTour=!0),startTour&&usertours.fetchTour(tourId),usertours.addResetLink(),$("body").on("click",'[data-action="tool_usertours/resetpagetour"]',(function(e){e.preventDefault(),usertours.resetTourState(usertours.tourId)}))},fetchTour:function(tourId){M.util.js_pending("admin_usertour_fetchTour"+tourId),$.when(ajax.call([{methodname:"tool_usertours_fetch_and_start_tour",args:{tourid:tourId,context:usertours.context,pageurl:window.location.href}}])[0],templates.render("tool_usertours/tourstep",{})).then((function(response,template){if(response.hasOwnProperty("tourconfig"))return usertours.startBootstrapTour(tourId,template[0],response.tourconfig)})).always((function(){M.util.js_complete("admin_usertour_fetchTour"+tourId)})).fail(notification.exception)},addResetLink:function(){var ele;M.util.js_pending("admin_usertour_addResetLink"),ele=$(".tool_usertours-resettourcontainer").length?$(".tool_usertours-resettourcontainer"):$(".logininfo").length?$(".logininfo"):$("footer").length?$("footer"):$("body"),templates.render("tool_usertours/resettour",{}).then((function(html,js){templates.appendNodeContents(ele,html,js)})).always((function(){M.util.js_complete("admin_usertour_addResetLink")})).fail()},startBootstrapTour:function(tourId,template,tourConfig){return usertours.currentTour&&(tourConfig.onEnd=null,usertours.currentTour.endTour(),delete usertours.currentTour),tourConfig.eventHandlers={afterEnd:[usertours.markTourComplete],afterRender:[usertours.markStepShown]},tourConfig.tourName=tourConfig.name,delete tourConfig.name,tourConfig.template=template,tourConfig.steps=tourConfig.steps.map((function(step){return void 0!==step.element&&(step.target=step.element,delete step.element),void 0!==step.reflex&&(step.moveOnClick=!!step.reflex,delete step.reflex),void 0!==step.content&&(step.body=step.content,delete step.content),step})),usertours.currentTour=new BootstrapTour(tourConfig),usertours.currentTour.startTour()},markStepShown:function(){var stepConfig=this.getStepConfig(this.getCurrentStepNumber());$.when(ajax.call([{methodname:"tool_usertours_step_shown",args:{tourid:usertours.tourId,context:usertours.context,pageurl:window.location.href,stepid:stepConfig.stepid,stepindex:this.getCurrentStepNumber()}}])[0]).fail(log.error)},markTourComplete:function(){var stepConfig=this.getStepConfig(this.getCurrentStepNumber());$.when(ajax.call([{methodname:"tool_usertours_complete_tour",args:{tourid:usertours.tourId,context:usertours.context,pageurl:window.location.href,stepid:stepConfig.stepid,stepindex:this.getCurrentStepNumber()}}])[0]).fail(log.error)},resetTourState:function(tourId){$.when(ajax.call([{methodname:"tool_usertours_reset_tour",args:{tourid:tourId,context:usertours.context,pageurl:window.location.href}}])[0]).then((function(response){response.startTour&&usertours.fetchTour(response.startTour)})).fail(notification.exception)}};return{init:usertours.init,resetTourState:usertours.resetTourState}}));
+
+//# sourceMappingURL=usertours.min.js.map
\ No newline at end of file
diff --git a/admin/tool/usertours/amd/build/usertours.min.js.map b/admin/tool/usertours/amd/build/usertours.min.js.map
index 9f614add864..3c6d4a34ba8 100644
--- a/admin/tool/usertours/amd/build/usertours.min.js.map
+++ b/admin/tool/usertours/amd/build/usertours.min.js.map
@@ -1 +1 @@
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* User tour control library.\n *\n * @module     tool_usertours/usertours\n * @class      usertours\n * @package    tool_usertours\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n */\ndefine(\n['core/ajax', 'tool_usertours/tour', 'jquery', 'core/templates', 'core/str', 'core/log', 'core/notification'],\nfunction(ajax, BootstrapTour, $, templates, str, log, notification) {\n    var usertours = {\n        tourId: null,\n\n        currentTour: null,\n\n        context: null,\n\n        /**\n         * Initialise the user tour for the current page.\n         *\n         * @method  init\n         * @param   {Number}    tourId      The ID of the tour to start.\n         * @param   {Bool}      startTour   Attempt to start the tour now.\n         * @param   {Number}    context     The context of the current page.\n         */\n        init: function(tourId, startTour, context) {\n            // Only one tour per page is allowed.\n            usertours.tourId = tourId;\n\n            usertours.context = context;\n\n            if (typeof startTour === 'undefined') {\n                startTour = true;\n            }\n\n            if (startTour) {\n                // Fetch the tour configuration.\n                usertours.fetchTour(tourId);\n            }\n\n            usertours.addResetLink();\n            // Watch for the reset link.\n            $('body').on('click', '[data-action=\"tool_usertours/resetpagetour\"]', function(e) {\n                e.preventDefault();\n                usertours.resetTourState(usertours.tourId);\n            });\n        },\n\n        /**\n         * Fetch the configuration specified tour, and start the tour when it has been fetched.\n         *\n         * @method  fetchTour\n         * @param   {Number}    tourId      The ID of the tour to start.\n         */\n        fetchTour: function(tourId) {\n            M.util.js_pending('admin_usertour_fetchTour' + tourId);\n            $.when(\n                ajax.call([\n                    {\n                        methodname: 'tool_usertours_fetch_and_start_tour',\n                        args: {\n                            tourid:     tourId,\n                            context:    usertours.context,\n                            pageurl:    window.location.href,\n                        }\n                    }\n                ])[0],\n                templates.render('tool_usertours/tourstep', {})\n            )\n            .then(function(response, template) {\n                // If we don't have any tour config (because it doesn't need showing for the current user), return early.\n                if (!response.hasOwnProperty('tourconfig')) {\n                    return;\n                }\n\n                return usertours.startBootstrapTour(tourId, template[0], response.tourconfig);\n            })\n            .always(function() {\n                M.util.js_complete('admin_usertour_fetchTour' + tourId);\n\n                return;\n            })\n            .fail(notification.exception);\n        },\n\n        /**\n         * Add a reset link to the page.\n         *\n         * @method  addResetLink\n         */\n        addResetLink: function() {\n            var ele;\n            M.util.js_pending('admin_usertour_addResetLink');\n\n            // Append the link to the most suitable place on the page\n            // with fallback to legacy selectors and finally the body\n            // if there is no better place.\n            if ($('.tool_usertours-resettourcontainer').length) {\n                ele = $('.tool_usertours-resettourcontainer');\n            } else if ($('.logininfo').length) {\n                ele = $('.logininfo');\n            } else if ($('footer').length) {\n                ele = $('footer');\n            } else {\n                ele = $('body');\n            }\n            templates.render('tool_usertours/resettour', {})\n            .then(function(html, js) {\n                templates.appendNodeContents(ele, html, js);\n\n                return;\n            })\n            .always(function() {\n                M.util.js_complete('admin_usertour_addResetLink');\n\n                return;\n            })\n            .fail();\n        },\n\n        /**\n         * Start the specified tour.\n         *\n         * @method  startBootstrapTour\n         * @param   {Number}    tourId      The ID of the tour to start.\n         * @param   {String}    template    The template to use.\n         * @param   {Object}    tourConfig  The tour configuration.\n         * @return  {Object}\n         */\n        startBootstrapTour: function(tourId, template, tourConfig) {\n            if (usertours.currentTour) {\n                // End the current tour, but disable end tour handler.\n                tourConfig.onEnd = null;\n                usertours.currentTour.endTour();\n                delete usertours.currentTour;\n            }\n\n            // Normalize for the new library.\n            tourConfig.eventHandlers = {\n                afterEnd: [usertours.markTourComplete],\n                afterRender: [usertours.markStepShown],\n            };\n\n            // Sort out the tour name.\n            tourConfig.tourName = tourConfig.name;\n            delete tourConfig.name;\n\n            // Add the template to the configuration.\n            // This enables translations of the buttons.\n            tourConfig.template = template;\n\n            tourConfig.steps = tourConfig.steps.map(function(step) {\n                if (typeof step.element !== 'undefined') {\n                    step.target = step.element;\n                    delete step.element;\n                }\n\n                if (typeof step.reflex !== 'undefined') {\n                    step.moveOnClick = !!step.reflex;\n                    delete step.reflex;\n                }\n\n                if (typeof step.content !== 'undefined') {\n                    step.body = step.content;\n                    delete step.content;\n                }\n\n                return step;\n            });\n\n            usertours.currentTour = new BootstrapTour(tourConfig);\n            return usertours.currentTour.startTour();\n        },\n\n        /**\n         * Mark the specified step as being shownd by the user.\n         *\n         * @method  markStepShown\n         */\n        markStepShown: function() {\n            var stepConfig = this.getStepConfig(this.getCurrentStepNumber());\n            $.when(\n                ajax.call([\n                    {\n                        methodname: 'tool_usertours_step_shown',\n                        args: {\n                            tourid:     usertours.tourId,\n                            context:    usertours.context,\n                            pageurl:    window.location.href,\n                            stepid:     stepConfig.stepid,\n                            stepindex:  this.getCurrentStepNumber(),\n                        }\n                    }\n                ])[0]\n            ).fail(log.error);\n        },\n\n        /**\n         * Mark the specified tour as being completed by the user.\n         *\n         * @method  markTourComplete\n         */\n        markTourComplete: function() {\n            var stepConfig = this.getStepConfig(this.getCurrentStepNumber());\n            $.when(\n                ajax.call([\n                    {\n                        methodname: 'tool_usertours_complete_tour',\n                        args: {\n                            tourid:     usertours.tourId,\n                            context:    usertours.context,\n                            pageurl:    window.location.href,\n                            stepid:     stepConfig.stepid,\n                            stepindex:  this.getCurrentStepNumber(),\n                        }\n                    }\n                ])[0]\n            ).fail(log.error);\n        },\n\n        /**\n         * Reset the state, and restart the the tour on the current page.\n         *\n         * @method  resetTourState\n         * @param   {Number}    tourId      The ID of the tour to start.\n         */\n        resetTourState: function(tourId) {\n            $.when(\n                ajax.call([\n                    {\n                        methodname: 'tool_usertours_reset_tour',\n                        args: {\n                            tourid:     tourId,\n                            context:    usertours.context,\n                            pageurl:    window.location.href,\n                        }\n                    }\n                ])[0]\n            ).then(function(response) {\n                if (response.startTour) {\n                    usertours.fetchTour(response.startTour);\n                }\n                return;\n            }).fail(notification.exception);\n        }\n    };\n\n    return /** @alias module:tool_usertours/usertours */ {\n        /**\n         * Initialise the user tour for the current page.\n         *\n         * @method  init\n         * @param   {Number}    tourId      The ID of the tour to start.\n         * @param   {Bool}      startTour   Attempt to start the tour now.\n         */\n        init: usertours.init,\n\n        /**\n         * Reset the state, and restart the the tour on the current page.\n         *\n         * @method  resetTourState\n         * @param   {Number}    tourId      The ID of the tour to restart.\n         */\n        resetTourState: usertours.resetTourState\n    };\n});\n"],"file":"usertours.min.js"}
\ No newline at end of file
+{"version":3,"file":"usertours.min.js","sources":["../src/usertours.js"],"sourcesContent":["/**\n * User tour control library.\n *\n * @module     tool_usertours/usertours\n * @class      usertours\n * @package    tool_usertours\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n */\ndefine(\n['core/ajax', 'tool_usertours/tour', 'jquery', 'core/templates', 'core/str', 'core/log', 'core/notification'],\nfunction(ajax, BootstrapTour, $, templates, str, log, notification) {\n    var usertours = {\n        tourId: null,\n\n        currentTour: null,\n\n        context: null,\n\n        /**\n         * Initialise the user tour for the current page.\n         *\n         * @method  init\n         * @param   {Number}    tourId      The ID of the tour to start.\n         * @param   {Bool}      startTour   Attempt to start the tour now.\n         * @param   {Number}    context     The context of the current page.\n         */\n        init: function(tourId, startTour, context) {\n            // Only one tour per page is allowed.\n            usertours.tourId = tourId;\n\n            usertours.context = context;\n\n            if (typeof startTour === 'undefined') {\n                startTour = true;\n            }\n\n            if (startTour) {\n                // Fetch the tour configuration.\n                usertours.fetchTour(tourId);\n            }\n\n            usertours.addResetLink();\n            // Watch for the reset link.\n            $('body').on('click', '[data-action=\"tool_usertours/resetpagetour\"]', function(e) {\n                e.preventDefault();\n                usertours.resetTourState(usertours.tourId);\n            });\n        },\n\n        /**\n         * Fetch the configuration specified tour, and start the tour when it has been fetched.\n         *\n         * @method  fetchTour\n         * @param   {Number}    tourId      The ID of the tour to start.\n         */\n        fetchTour: function(tourId) {\n            M.util.js_pending('admin_usertour_fetchTour' + tourId);\n            $.when(\n                ajax.call([\n                    {\n                        methodname: 'tool_usertours_fetch_and_start_tour',\n                        args: {\n                            tourid:     tourId,\n                            context:    usertours.context,\n                            pageurl:    window.location.href,\n                        }\n                    }\n                ])[0],\n                templates.render('tool_usertours/tourstep', {})\n            )\n            .then(function(response, template) {\n                // If we don't have any tour config (because it doesn't need showing for the current user), return early.\n                if (!response.hasOwnProperty('tourconfig')) {\n                    return;\n                }\n\n                return usertours.startBootstrapTour(tourId, template[0], response.tourconfig);\n            })\n            .always(function() {\n                M.util.js_complete('admin_usertour_fetchTour' + tourId);\n\n                return;\n            })\n            .fail(notification.exception);\n        },\n\n        /**\n         * Add a reset link to the page.\n         *\n         * @method  addResetLink\n         */\n        addResetLink: function() {\n            var ele;\n            M.util.js_pending('admin_usertour_addResetLink');\n\n            // Append the link to the most suitable place on the page\n            // with fallback to legacy selectors and finally the body\n            // if there is no better place.\n            if ($('.tool_usertours-resettourcontainer').length) {\n                ele = $('.tool_usertours-resettourcontainer');\n            } else if ($('.logininfo').length) {\n                ele = $('.logininfo');\n            } else if ($('footer').length) {\n                ele = $('footer');\n            } else {\n                ele = $('body');\n            }\n            templates.render('tool_usertours/resettour', {})\n            .then(function(html, js) {\n                templates.appendNodeContents(ele, html, js);\n\n                return;\n            })\n            .always(function() {\n                M.util.js_complete('admin_usertour_addResetLink');\n\n                return;\n            })\n            .fail();\n        },\n\n        /**\n         * Start the specified tour.\n         *\n         * @method  startBootstrapTour\n         * @param   {Number}    tourId      The ID of the tour to start.\n         * @param   {String}    template    The template to use.\n         * @param   {Object}    tourConfig  The tour configuration.\n         * @return  {Object}\n         */\n        startBootstrapTour: function(tourId, template, tourConfig) {\n            if (usertours.currentTour) {\n                // End the current tour, but disable end tour handler.\n                tourConfig.onEnd = null;\n                usertours.currentTour.endTour();\n                delete usertours.currentTour;\n            }\n\n            // Normalize for the new library.\n            tourConfig.eventHandlers = {\n                afterEnd: [usertours.markTourComplete],\n                afterRender: [usertours.markStepShown],\n            };\n\n            // Sort out the tour name.\n            tourConfig.tourName = tourConfig.name;\n            delete tourConfig.name;\n\n            // Add the template to the configuration.\n            // This enables translations of the buttons.\n            tourConfig.template = template;\n\n            tourConfig.steps = tourConfig.steps.map(function(step) {\n                if (typeof step.element !== 'undefined') {\n                    step.target = step.element;\n                    delete step.element;\n                }\n\n                if (typeof step.reflex !== 'undefined') {\n                    step.moveOnClick = !!step.reflex;\n                    delete step.reflex;\n                }\n\n                if (typeof step.content !== 'undefined') {\n                    step.body = step.content;\n                    delete step.content;\n                }\n\n                return step;\n            });\n\n            usertours.currentTour = new BootstrapTour(tourConfig);\n            return usertours.currentTour.startTour();\n        },\n\n        /**\n         * Mark the specified step as being shownd by the user.\n         *\n         * @method  markStepShown\n         */\n        markStepShown: function() {\n            var stepConfig = this.getStepConfig(this.getCurrentStepNumber());\n            $.when(\n                ajax.call([\n                    {\n                        methodname: 'tool_usertours_step_shown',\n                        args: {\n                            tourid:     usertours.tourId,\n                            context:    usertours.context,\n                            pageurl:    window.location.href,\n                            stepid:     stepConfig.stepid,\n                            stepindex:  this.getCurrentStepNumber(),\n                        }\n                    }\n                ])[0]\n            ).fail(log.error);\n        },\n\n        /**\n         * Mark the specified tour as being completed by the user.\n         *\n         * @method  markTourComplete\n         */\n        markTourComplete: function() {\n            var stepConfig = this.getStepConfig(this.getCurrentStepNumber());\n            $.when(\n                ajax.call([\n                    {\n                        methodname: 'tool_usertours_complete_tour',\n                        args: {\n                            tourid:     usertours.tourId,\n                            context:    usertours.context,\n                            pageurl:    window.location.href,\n                            stepid:     stepConfig.stepid,\n                            stepindex:  this.getCurrentStepNumber(),\n                        }\n                    }\n                ])[0]\n            ).fail(log.error);\n        },\n\n        /**\n         * Reset the state, and restart the the tour on the current page.\n         *\n         * @method  resetTourState\n         * @param   {Number}    tourId      The ID of the tour to start.\n         */\n        resetTourState: function(tourId) {\n            $.when(\n                ajax.call([\n                    {\n                        methodname: 'tool_usertours_reset_tour',\n                        args: {\n                            tourid:     tourId,\n                            context:    usertours.context,\n                            pageurl:    window.location.href,\n                        }\n                    }\n                ])[0]\n            ).then(function(response) {\n                if (response.startTour) {\n                    usertours.fetchTour(response.startTour);\n                }\n                return;\n            }).fail(notification.exception);\n        }\n    };\n\n    return /** @alias module:tool_usertours/usertours */ {\n        /**\n         * Initialise the user tour for the current page.\n         *\n         * @method  init\n         * @param   {Number}    tourId      The ID of the tour to start.\n         * @param   {Bool}      startTour   Attempt to start the tour now.\n         */\n        init: usertours.init,\n\n        /**\n         * Reset the state, and restart the the tour on the current page.\n         *\n         * @method  resetTourState\n         * @param   {Number}    tourId      The ID of the tour to restart.\n         */\n        resetTourState: usertours.resetTourState\n    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diff --git a/admin/tool/xmldb/amd/build/move.min.js b/admin/tool/xmldb/amd/build/move.min.js
index 3873d1b2234..2b481ebe806 100644
--- a/admin/tool/xmldb/amd/build/move.min.js
+++ b/admin/tool/xmldb/amd/build/move.min.js
@@ -1,2 +1,3 @@
-define ("tool_xmldb/move",["jquery","core/sortable_list","core/ajax","core/notification"],function(a,b,c,d){return{init:function init(e,f){var g=new b("#"+e+" tbody");g.getElementName=function(b){return a.Deferred().resolve(b.attr("data-name"))};var h;a("#"+e+" tbody tr").on(b.EVENTS.DRAGSTART,function(b,c){h=c.sourceList.children().index(c.element);setTimeout(function(){a(".sortable-list-is-dragged").width(c.element.width())},501)}).on(b.EVENTS.DROP,function(a,b){var e=b.targetList.children().index(b.element),g=b.element.find("[data-action="+f+"]");if(b.positionChanged&&g.length){var i={methodname:"tool_xmldb_invoke_move_action",args:{action:f,dir:g.attr("data-dir"),table:g.attr("data-table"),field:g.attr("data-field"),key:g.attr("data-key"),index:g.attr("data-index"),position:e-h}};c.call([i])[0].fail(d.exception)}})}}});
-//# sourceMappingURL=move.min.js.map
+define("tool_xmldb/move",["jquery","core/sortable_list","core/ajax","core/notification"],(function($,SortableList,Ajax,Notification){return{init:function(tableid,moveaction){var origIndex;new SortableList("#"+tableid+" tbody").getElementName=function(element){return $.Deferred().resolve(element.attr("data-name"))},$("#"+tableid+" tbody tr").on(SortableList.EVENTS.DRAGSTART,(function(_,info){origIndex=info.sourceList.children().index(info.element),setTimeout((function(){$(".sortable-list-is-dragged").width(info.element.width())}),501)})).on(SortableList.EVENTS.DROP,(function(_,info){var newIndex=info.targetList.children().index(info.element),t=info.element.find("[data-action="+moveaction+"]");if(info.positionChanged&&t.length){var request={methodname:"tool_xmldb_invoke_move_action",args:{action:moveaction,dir:t.attr("data-dir"),table:t.attr("data-table"),field:t.attr("data-field"),key:t.attr("data-key"),index:t.attr("data-index"),position:newIndex-origIndex}};Ajax.call([request])[0].fail(Notification.exception)}}))}}}));
+
+//# sourceMappingURL=move.min.js.map
\ No newline at end of file
diff --git a/admin/tool/xmldb/amd/build/move.min.js.map b/admin/tool/xmldb/amd/build/move.min.js.map
index 28f624fa5b9..9fb16fee00f 100644
--- a/admin/tool/xmldb/amd/build/move.min.js.map
+++ b/admin/tool/xmldb/amd/build/move.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"move.min.js","sources":["../src/move.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\ndefine(['jquery', 'core/sortable_list', 'core/ajax', 'core/notification'], function($, SortableList, Ajax, Notification) {\n    return {\n        init: function(tableid, moveaction) {\n            // Initialise sortable for the given list.\n            var sort = new SortableList('#' + tableid + ' tbody');\n            sort.getElementName = function(element) {\n                return $.Deferred().resolve(element.attr('data-name'));\n            };\n            var origIndex;\n            $('#' + tableid + ' tbody tr').on(SortableList.EVENTS.DRAGSTART, function(_, info) {\n                // Remember position of the element in the beginning of dragging.\n                origIndex = info.sourceList.children().index(info.element);\n                // Resize the \"proxy\" element to be the same width as the main element.\n                setTimeout(function() {\n                    $('.sortable-list-is-dragged').width(info.element.width());\n                }, 501);\n            }).on(SortableList.EVENTS.DROP, function(_, info) {\n                // When a list element was moved send AJAX request to the server.\n                var newIndex = info.targetList.children().index(info.element);\n                var t = info.element.find('[data-action=' + moveaction + ']');\n                if (info.positionChanged && t.length) {\n                    var request = {\n                        methodname: 'tool_xmldb_invoke_move_action',\n                        args: {\n                            action: moveaction,\n                            dir: t.attr('data-dir'),\n                            table: t.attr('data-table'),\n                            field: t.attr('data-field'),\n                            key: t.attr('data-key'),\n                            index: t.attr('data-index'),\n                            position: newIndex - origIndex\n                        }\n                    };\n                    Ajax.call([request])[0].fail(Notification.exception);\n                }\n            });\n        }\n    };\n});\n"],"names":["define","$","SortableList","Ajax","Notification","init","tableid","moveaction","origIndex","getElementName","element","Deferred","resolve","attr","on","EVENTS","DRAGSTART","_","info","sourceList","children","index","setTimeout","width","DROP","newIndex","targetList","t","find","positionChanged","length","request","methodname","args","action","dir","table","field","key","position","call","fail","exception"],"mappings":"AAeAA,yBAAO,CAAC,SAAU,qBAAsB,YAAa,sBAAsB,SAASC,EAAGC,aAAcC,KAAMC,oBAChG,CACHC,KAAM,SAASC,QAASC,gBAMhBC,UAJO,IAAIN,aAAa,IAAMI,QAAU,UACvCG,eAAiB,SAASC,gBACpBT,EAAEU,WAAWC,QAAQF,QAAQG,KAAK,eAG7CZ,EAAE,IAAMK,QAAU,aAAaQ,GAAGZ,aAAaa,OAAOC,WAAW,SAASC,EAAGC,MAEzEV,UAAYU,KAAKC,WAAWC,WAAWC,MAAMH,KAAKR,SAElDY,YAAW,WACPrB,EAAE,6BAA6BsB,MAAML,KAAKR,QAAQa,WACnD,QACJT,GAAGZ,aAAaa,OAAOS,MAAM,SAASP,EAAGC,UAEpCO,SAAWP,KAAKQ,WAAWN,WAAWC,MAAMH,KAAKR,SACjDiB,EAAIT,KAAKR,QAAQkB,KAAK,gBAAkBrB,WAAa,QACrDW,KAAKW,iBAAmBF,EAAEG,OAAQ,KAC9BC,QAAU,CACVC,WAAY,gCACZC,KAAM,CACFC,OAAQ3B,WACR4B,IAAKR,EAAEd,KAAK,YACZuB,MAAOT,EAAEd,KAAK,cACdwB,MAAOV,EAAEd,KAAK,cACdyB,IAAKX,EAAEd,KAAK,YACZQ,MAAOM,EAAEd,KAAK,cACd0B,SAAUd,SAAWjB,YAG7BL,KAAKqC,KAAK,CAACT,UAAU,GAAGU,KAAKrC,aAAasC"}
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diff --git a/backup/util/ui/amd/build/async_backup.min.js b/backup/util/ui/amd/build/async_backup.min.js
index ffba1a925e1..b102f20df51 100644
--- a/backup/util/ui/amd/build/async_backup.min.js
+++ b/backup/util/ui/amd/build/async_backup.min.js
@@ -1,2 +1,13 @@
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f=a("#"+c+"_bar").parent().parent(),g=f.parent(),h=f.siblings(),i=h[0],j=h[1],k=a(j).text();b.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:c,contextid:m}}])[0].done(function(b){var c=a(i).text(),f={resourcename:c,restoreurl:b.restoreurl,time:k};e.render("core/async_restore_progress_row",f).then(function(a,b){e.replaceNodeContents(g,a,b)}).fail(function(){d.exception(new Error("Failed to load table row"))})})}function x(a){var f=document.querySelectorAll("[data-restoreid="+CSS.escape(a)+"]")[0],g=f.closest("tr").children[1],h=g.innerHTML,i=document.createElement("a"),j=f.closest("td"),k=j.previousElementSibling;c.get_string("complete").then(function(a){k.innerHTML=a}).catch(function(){d.exception(new Error("Failed to load string: complete"))});e.render("core/async_copy_complete_cell",{}).then(function(a,b){e.replaceNodeContents(j,a,b)}).fail(function(){d.exception(new Error("Failed to load table 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string"))});a(".backup_progress").children("span").removeClass("backup_stage_current");a(".backup_progress").children("span").last().addClass("backup_stage_current");clearInterval(p)}else if(e.status==g){j.classList.add("bg-success");t(l,i,100);var x="async"+o+"complete";c.get_string(x,"backup").then(function(a){k.text(a)}).catch(function(){d.exception(new Error("Failed to load string: backup "+x))});if("restore"==o){b.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:l,contextid:m}}])[0].done(function(a){var b="async"+o+"completedetail",e="async"+o+"completebutton",f=[{key:b,component:"backup",param:a.restoreurl},{key:e,component:"backup"}];c.get_strings(f).then(function(b){q.html(b[0]);r.text(b[1]);r.attr("href",a.restoreurl)}).catch(function(){d.exception(new Error("Failed to load string"))})})}else{var y="async"+o+"completedetail",z="async"+o+"completebutton";s=[{key:y,component:"backup",param:n},{key:z,component:"backup"}];c.get_strings(s).then(function(a){q.html(a[0]);r.text(a[1]);r.attr("href",n)}).catch(function(){d.exception(new Error("Failed to load string"))})}a(".backup_progress").children("span").removeClass("backup_stage_current");a(".backup_progress").children("span").last().addClass("backup_stage_current");clearInterval(p)}}function z(a){a.forEach(function(a){var b=100*a.progress,c=a.backupid,d=a.operation,e=document.querySelectorAll("[data-"+d+"id="+CSS.escape(c)+"]")[0];if(a.status==800){e.classList.add("bg-success");t(c,d,b)}else if(a.status==f){e.classList.add("bg-danger");e.classList.add("complete");e.classList.remove("bg-success");t(c,d,100)}else if(a.status==g){e.classList.add("bg-success");e.classList.add("complete");t(c,d,100);if("backup"==d){v(c)}else{w(c)}}})}function A(a){a.forEach(function(a){var b=100*a.progress,e=a.backupid,h=a.operation,i=document.querySelectorAll("[data-"+h+"id="+CSS.escape(e)+"]")[0];if("restore"==h){var j=i.closest("tr").children[3];c.get_string("restore").then(function(a){j.innerHTML=a}).catch(function(){d.exception(new Error("Failed to load string: restore"))})}if(a.status==800){i.classList.add("bg-success");t(e,h,b)}else if(a.status==f){i.classList.add("bg-danger");i.classList.add("complete");i.classList.remove("bg-success");t(e,h,100)}else if(a.status==g&&"restore"==h){i.classList.add("bg-success");i.classList.add("complete");t(e,h,100);x(e)}})}function B(){b.call([{methodname:"core_backup_get_async_backup_progress",args:{backupids:[l],contextid:m}}],!0,!0,!1,s)[0].done(function(a){y(a[0]);j=i;p=u(p,B,i)}).fail(function(){j=j*k;p=u(p,B,j)})}function C(){var c=[],d=a(".progress").find(".progress-bar").not(".complete");d.each(function(){c.push(this.id.substring(0,32))});if(0<c.length){b.call([{methodname:"core_backup_get_async_backup_progress",args:{backupids:c,contextid:m}}],!0,!0,!1,s)[0].done(function(a){z(a);j=i;q=u(q,C,i)}).fail(function(){j=j*k;q=u(q,C,j)})}else{clearInterval(q)}}function D(){var c=[],d=a(".progress").find(".progress-bar[data-operation][data-backupid][data-restoreid]").not(".complete");d.each(function(){var a={backupid:this.dataset.backupid,restoreid:this.dataset.restoreid,operation:this.dataset.operation};c.push(a)});if(0<c.length){b.call([{methodname:"core_backup_get_copy_progress",args:{copies:c}}],!0,!0,!1,s)[0].done(function(a){A(a);j=i;r=u(r,D,i)}).fail(function(){j=j*k;r=u(r,D,j)})}else{clearInterval(r)}}h.asyncBackupAllStatus=function(a){m=a;q=setInterval(C,j)};h.asyncCopyAllStatus=function(){r=setInterval(D,j)};h.asyncBackupStatus=function(b,c,d,e){l=b;m=c;n=d;if("backup"==e){o="backup"}else{o="restore"}a(".backup_progress").children("a").removeAttr("href");p=setInterval(B,j)};return h});
-//# sourceMappingURL=async_backup.min.js.map
+/**
+ * This module updates the UI during an asynchronous
+ * backup or restore process.
+ *
+ * @module     backup/util/async_backup
+ * @package    core
+ * @copyright  2018 Matt Porritt <mattp@catalyst-au.net>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.7
+ */
+define("core_backup/async_backup",["jquery","core/ajax","core/str","core/notification","core/templates"],(function($,ajax,Str,notification,Templates){var backupid,contextid,restoreurl,typeid,backupintervalid,allbackupintervalid,allcopyintervalid,Asyncbackup={},checkdelay=15e3;function updateElement(backupid,type,percentage){var percentagewidth=Math.round(percentage)+"%",elementbar=document.querySelectorAll("[data-"+type+"id="+CSS.escape(backupid)+"]")[0],percentagetext=percentage.toFixed(2)+"%";elementbar.setAttribute("aria-valuenow",percentagewidth),elementbar.style.width=percentagewidth,elementbar.innerHTML=percentagetext}function updateInterval(intervalid,callback,value){return clearInterval(intervalid),setInterval(callback,value)}function updateProgressAll(progress){progress.forEach((function(element){var percentage=100*element.progress,backupid=element.backupid,type=element.operation,elementbar=document.querySelectorAll("[data-"+type+"id="+CSS.escape(backupid)+"]")[0];800==element.status?(elementbar.classList.add("bg-success"),updateElement(backupid,type,percentage)):900==element.status?(elementbar.classList.add("bg-danger"),elementbar.classList.add("complete"),elementbar.classList.remove("bg-success"),updateElement(backupid,type,100)):1e3==element.status&&(elementbar.classList.add("bg-success"),elementbar.classList.add("complete"),updateElement(backupid,type,100),"backup"==type?function(backupid){var statuscell=$("#"+backupid+"_bar").parent().parent(),tablerow=statuscell.parent(),cellsiblings=statuscell.siblings(),timecell=cellsiblings[1],timevalue=$(timecell).text(),filenamecell=cellsiblings[0],filename=$(filenamecell).text();ajax.call([{methodname:"core_backup_get_async_backup_links_backup",args:{filename:filename,contextid:contextid}}])[0].done((function(response){var context={filename:filename,time:timevalue,size:response.filesize,fileurl:response.fileurl,restoreurl:response.restoreurl};Templates.render("core/async_backup_progress_row",context).then((function(html,js){Templates.replaceNodeContents(tablerow,html,js)})).fail((function(){notification.exception(new Error("Failed to load table row"))}))}))}(backupid):function(backupid){var statuscell=$("#"+backupid+"_bar").parent().parent(),tablerow=statuscell.parent(),cellsiblings=statuscell.siblings(),coursecell=cellsiblings[0],timecell=cellsiblings[1],timevalue=$(timecell).text();ajax.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:backupid,contextid:contextid}}])[0].done((function(response){var context={resourcename:$(coursecell).text(),restoreurl:response.restoreurl,time:timevalue};Templates.render("core/async_restore_progress_row",context).then((function(html,js){Templates.replaceNodeContents(tablerow,html,js)})).fail((function(){notification.exception(new Error("Failed to load table row"))}))}))}(backupid))}))}function updateProgressCopy(progress){progress.forEach((function(element){var percentage=100*element.progress,backupid=element.backupid,type=element.operation,elementbar=document.querySelectorAll("[data-"+type+"id="+CSS.escape(backupid)+"]")[0];if("restore"==type){var restorecell=elementbar.closest("tr").children[3];Str.get_string("restore").then((function(content){restorecell.innerHTML=content})).catch((function(){notification.exception(new Error("Failed to load string: restore"))}))}800==element.status?(elementbar.classList.add("bg-success"),updateElement(backupid,type,percentage)):900==element.status?(elementbar.classList.add("bg-danger"),elementbar.classList.add("complete"),elementbar.classList.remove("bg-success"),updateElement(backupid,type,100)):1e3==element.status&&"restore"==type&&(elementbar.classList.add("bg-success"),elementbar.classList.add("complete"),updateElement(backupid,type,100),function(backupid){var elementbar=document.querySelectorAll("[data-restoreid="+CSS.escape(backupid)+"]")[0],restorecourse=elementbar.closest("tr").children[1],coursename=restorecourse.innerHTML,courselink=document.createElement("a"),elementbarparent=elementbar.closest("td"),operation=elementbarparent.previousElementSibling;Str.get_string("complete").then((function(content){operation.innerHTML=content})).catch((function(){notification.exception(new Error("Failed to load string: complete"))})),Templates.render("core/async_copy_complete_cell",{}).then((function(html,js){Templates.replaceNodeContents(elementbarparent,html,js)})).fail((function(){notification.exception(new Error("Failed to load table cell"))})),ajax.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:backupid,contextid:0}}])[0].done((function(response){courselink.setAttribute("href",response.restoreurl),courselink.innerHTML=coursename,restorecourse.innerHTML=null,restorecourse.appendChild(courselink)})).fail((function(){notification.exception(new Error("Failed to update table row"))}))}(backupid))}))}function getBackupProgress(){ajax.call([{methodname:"core_backup_get_async_backup_progress",args:{backupids:[backupid],contextid:contextid}}],!0,!0,!1,2e3)[0].done((function(response){!function(progress){var stringRequests,percentage=100*progress.progress,type="backup",elementbar=document.querySelectorAll("[data-backupid="+CSS.escape(backupid)+"]")[0],elementstatus=$("#"+backupid+"_status"),elementdetail=$("#"+backupid+"_detail"),elementbutton=$("#"+backupid+"_button");if(800==progress.status){elementbar.classList.add("bg-success"),updateElement(backupid,type,percentage);var strProcessing="async"+typeid+"processing";Str.get_string(strProcessing,"backup").then((function(title){elementstatus.text(title)})).catch((function(){notification.exception(new Error("Failed to load string: backup "+strProcessing))}))}else if(900==progress.status)elementbar.classList.add("bg-danger"),elementbar.classList.remove("bg-success"),updateElement(backupid,type,100),stringRequests=[{key:"async"+typeid+"error",component:"backup"},{key:"async"+typeid+"errordetail",component:"backup"}],Str.get_strings(stringRequests).then((function(strings){elementstatus.text(strings[0]),elementdetail.text(strings[1])})).catch((function(){notification.exception(new Error("Failed to load string"))})),$(".backup_progress").children("span").removeClass("backup_stage_current"),$(".backup_progress").children("span").last().addClass("backup_stage_current"),clearInterval(backupintervalid);else if(1e3==progress.status){elementbar.classList.add("bg-success"),updateElement(backupid,type,100);var strComplete="async"+typeid+"complete";Str.get_string(strComplete,"backup").then((function(title){elementstatus.text(title)})).catch((function(){notification.exception(new Error("Failed to load string: backup "+strComplete))})),"restore"==typeid?ajax.call([{methodname:"core_backup_get_async_backup_links_restore",args:{backupid:backupid,contextid:contextid}}])[0].done((function(response){var strButton="async"+typeid+"completebutton",stringRequests=[{key:"async"+typeid+"completedetail",component:"backup",param:response.restoreurl},{key:strButton,component:"backup"}];Str.get_strings(stringRequests).then((function(strings){elementdetail.html(strings[0]),elementbutton.text(strings[1]),elementbutton.attr("href",response.restoreurl)})).catch((function(){notification.exception(new Error("Failed to load string"))}))})):(stringRequests=[{key:"async"+typeid+"completedetail",component:"backup",param:restoreurl},{key:"async"+typeid+"completebutton",component:"backup"}],Str.get_strings(stringRequests).then((function(strings){elementdetail.html(strings[0]),elementbutton.text(strings[1]),elementbutton.attr("href",restoreurl)})).catch((function(){notification.exception(new Error("Failed to load string"))}))),$(".backup_progress").children("span").removeClass("backup_stage_current"),$(".backup_progress").children("span").last().addClass("backup_stage_current"),clearInterval(backupintervalid)}}(response[0]),checkdelay=15e3,backupintervalid=updateInterval(backupintervalid,getBackupProgress,15e3)})).fail((function(){backupintervalid=updateInterval(backupintervalid,getBackupProgress,checkdelay*=1.5)}))}function getAllBackupProgress(){var backupids=[];$(".progress").find(".progress-bar").not(".complete").each((function(){backupids.push(this.id.substring(0,32))})),backupids.length>0?ajax.call([{methodname:"core_backup_get_async_backup_progress",args:{backupids:backupids,contextid:contextid}}],!0,!0,!1,2e3)[0].done((function(response){updateProgressAll(response),checkdelay=15e3,allbackupintervalid=updateInterval(allbackupintervalid,getAllBackupProgress,15e3)})).fail((function(){allbackupintervalid=updateInterval(allbackupintervalid,getAllBackupProgress,checkdelay*=1.5)})):clearInterval(allbackupintervalid)}function getAllCopyProgress(){var copyids=[];$(".progress").find(".progress-bar[data-operation][data-backupid][data-restoreid]").not(".complete").each((function(){var progressvars={backupid:this.dataset.backupid,restoreid:this.dataset.restoreid,operation:this.dataset.operation};copyids.push(progressvars)})),copyids.length>0?ajax.call([{methodname:"core_backup_get_copy_progress",args:{copies:copyids}}],!0,!0,!1,2e3)[0].done((function(response){updateProgressCopy(response),checkdelay=15e3,allcopyintervalid=updateInterval(allcopyintervalid,getAllCopyProgress,15e3)})).fail((function(){allcopyintervalid=updateInterval(allcopyintervalid,getAllCopyProgress,checkdelay*=1.5)})):clearInterval(allcopyintervalid)}return Asyncbackup.asyncBackupAllStatus=function(context){contextid=context,allbackupintervalid=setInterval(getAllBackupProgress,checkdelay)},Asyncbackup.asyncCopyAllStatus=function(){allcopyintervalid=setInterval(getAllCopyProgress,checkdelay)},Asyncbackup.asyncBackupStatus=function(backup,context,restore,type){backupid=backup,contextid=context,restoreurl=restore,typeid="backup"==type?"backup":"restore",$(".backup_progress").children("a").removeAttr("href"),backupintervalid=setInterval(getBackupProgress,checkdelay)},Asyncbackup}));
+
+//# sourceMappingURL=async_backup.min.js.map
\ No newline at end of file
diff --git a/backup/util/ui/amd/build/async_backup.min.js.map b/backup/util/ui/amd/build/async_backup.min.js.map
index bfacf49ead8..2832de4dbee 100644
--- a/backup/util/ui/amd/build/async_backup.min.js.map
+++ b/backup/util/ui/amd/build/async_backup.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module updates the UI during an asynchronous\n * backup or restore process.\n *\n * @module     backup/util/async_backup\n * @package    core\n * @copyright  2018 Matt Porritt <mattp@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.7\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/notification', 'core/templates'],\n        function($, ajax, Str, notification, Templates) {\n\n    /**\n     * Module level constants.\n     *\n     * Using var instead of const as ES6 isn't fully supported yet.\n     */\n    var STATUS_EXECUTING = 800;\n    var STATUS_FINISHED_ERR = 900;\n    var STATUS_FINISHED_OK = 1000;\n\n    /**\n     * Module level variables.\n     */\n    var Asyncbackup = {};\n    var checkdelayoriginal = 15000; // This is the default time to use.\n    var checkdelay = 15000; // How often we should check for progress updates.\n    var checkdelaymultipler = 1.5; // If a request fails this multiplier will be used to increase the checkdelay value\n    var backupid; //  The backup id to get the progress for.\n    var contextid; //  The course this backup progress is for.\n    var restoreurl; //  The URL to view course restores.\n    var typeid; //  The type of operation backup or restore.\n    var backupintervalid; //  The id of the setInterval function.\n    var allbackupintervalid; //  The id of the setInterval function.\n    var allcopyintervalid; //  The id of the setInterval function.\n    var timeout = 2000; // Timeout for ajax requests.\n\n    /**\n     * Helper function to update UI components.\n     *\n     * @param {string} backupid The id to match elements on.\n     * @param {string} type The type of operation, backup or restore.\n     * @param {number} percentage The completion percentage to apply.\n     */\n    function updateElement(backupid, type, percentage) {\n        var percentagewidth = Math.round(percentage) + '%';\n        var elementbar = document.querySelectorAll(\"[data-\" + type + \"id=\" + CSS.escape(backupid) + \"]\")[0];\n        var percentagetext = percentage.toFixed(2) + '%';\n\n        // Set progress bar percentage indicators\n        elementbar.setAttribute('aria-valuenow', percentagewidth);\n        elementbar.style.width = percentagewidth;\n        elementbar.innerHTML = percentagetext;\n    }\n\n    /**\n     * Updates the interval we use to check for backup progress.\n     *\n     * @param {Number} intervalid The id of the interval\n     * @param {Function} callback The function to use in setInterval\n     * @param {Number} value The specified interval (in milliseconds)\n     * @returns {Number}\n     */\n    function updateInterval(intervalid, callback, value) {\n        clearInterval(intervalid);\n        return setInterval(callback, value);\n    }\n\n    /**\n     * Update backup table row when an async backup completes.\n     *\n     * @param {string} backupid The id to match elements on.\n     */\n    function updateBackupTableRow(backupid) {\n        var statuscell = $('#' + backupid + '_bar').parent().parent();\n        var tablerow = statuscell.parent();\n        var cellsiblings = statuscell.siblings();\n        var timecell = cellsiblings[1];\n        var timevalue = $(timecell).text();\n        var filenamecell = cellsiblings[0];\n        var filename = $(filenamecell).text();\n\n        ajax.call([{\n            // Get the table data via webservice.\n            methodname: 'core_backup_get_async_backup_links_backup',\n            args: {\n                'filename': filename,\n                'contextid': contextid\n            },\n        }])[0].done(function(response) {\n            // We have the data now update the UI.\n            var context = {\n                    filename: filename,\n                    time: timevalue,\n                    size: response.filesize,\n                    fileurl: response.fileurl,\n                    restoreurl: response.restoreurl\n                    };\n\n            Templates.render('core/async_backup_progress_row', context).then(function(html, js) {\n                Templates.replaceNodeContents(tablerow, html, js);\n                return;\n            }).fail(function() {\n                notification.exception(new Error('Failed to load table row'));\n                return;\n            });\n        });\n    }\n\n    /**\n     * Update restore table row when an async restore completes.\n     *\n     * @param {string} backupid The id to match elements on.\n     */\n    function updateRestoreTableRow(backupid) {\n        var statuscell = $('#' + backupid + '_bar').parent().parent();\n        var tablerow = statuscell.parent();\n        var cellsiblings = statuscell.siblings();\n        var coursecell = cellsiblings[0];\n        var timecell = cellsiblings[1];\n        var timevalue = $(timecell).text();\n\n        ajax.call([{\n            // Get the table data via webservice.\n            methodname: 'core_backup_get_async_backup_links_restore',\n            args: {\n                'backupid': backupid,\n                'contextid': contextid\n            },\n        }])[0].done(function(response) {\n         // We have the data now update the UI.\n            var resourcename = $(coursecell).text();\n            var context = {\n                    resourcename: resourcename,\n                    restoreurl: response.restoreurl,\n                    time: timevalue\n                    };\n\n            Templates.render('core/async_restore_progress_row', context).then(function(html, js) {\n                Templates.replaceNodeContents(tablerow, html, js);\n                return;\n            }).fail(function() {\n                notification.exception(new Error('Failed to load table row'));\n                return;\n            });\n        });\n    }\n\n    /**\n     * Update copy table row when an course copy completes.\n     *\n     * @param {string} backupid The id to match elements on.\n     */\n    function updateCopyTableRow(backupid) {\n        var elementbar = document.querySelectorAll(\"[data-restoreid=\" + CSS.escape(backupid) + \"]\")[0];\n        var restorecourse = elementbar.closest('tr').children[1];\n        var coursename = restorecourse.innerHTML;\n        var courselink = document.createElement('a');\n        var elementbarparent = elementbar.closest('td');\n        var operation = elementbarparent.previousElementSibling;\n\n        // Replace the prgress bar.\n        Str.get_string('complete').then(function(content) {\n            operation.innerHTML = content;\n            return;\n        }).catch(function() {\n            notification.exception(new Error('Failed to load string: complete'));\n            return;\n        });\n\n        Templates.render('core/async_copy_complete_cell', {}).then(function(html, js) {\n            Templates.replaceNodeContents(elementbarparent, html, js);\n            return;\n        }).fail(function() {\n            notification.exception(new Error('Failed to load table cell'));\n            return;\n        });\n\n        // Update the destination course name to a link to that course.\n        ajax.call([{\n            methodname: 'core_backup_get_async_backup_links_restore',\n            args: {\n                'backupid': backupid,\n                'contextid': 0\n            },\n        }])[0].done(function(response) {\n            courselink.setAttribute('href', response.restoreurl);\n            courselink.innerHTML = coursename;\n            restorecourse.innerHTML = null;\n            restorecourse.appendChild(courselink);\n\n            return;\n        }).fail(function() {\n            notification.exception(new Error('Failed to update table row'));\n            return;\n        });\n    }\n\n    /**\n     * Update the Moodle user interface with the progress of\n     * the backup process.\n     *\n     * @param {object} progress The progress and status of the process.\n     */\n    function updateProgress(progress) {\n        var percentage = progress.progress * 100;\n        var type = 'backup';\n        var elementbar = document.querySelectorAll(\"[data-\" + type + \"id=\" + CSS.escape(backupid) + \"]\")[0];\n        var elementstatus = $('#' + backupid + '_status');\n        var elementdetail = $('#' + backupid + '_detail');\n        var elementbutton = $('#' + backupid + '_button');\n        var stringRequests;\n\n        if (progress.status == STATUS_EXECUTING) {\n            // Process is in progress.\n            // Add in progress class color to bar.\n            elementbar.classList.add('bg-success');\n\n            updateElement(backupid, type, percentage);\n\n            // Change heading.\n            var strProcessing = 'async' + typeid + 'processing';\n            Str.get_string(strProcessing, 'backup').then(function(title) {\n                elementstatus.text(title);\n                return;\n            }).catch(function() {\n                notification.exception(new Error('Failed to load string: backup ' + strProcessing));\n            });\n\n        } else if (progress.status == STATUS_FINISHED_ERR) {\n            // Process completed with error.\n\n            // Add in fail class color to bar.\n            elementbar.classList.add('bg-danger');\n\n            // Remove in progress class color to bar.\n            elementbar.classList.remove('bg-success');\n\n            updateElement(backupid, type, 100);\n\n            // Change heading and text.\n            var strStatus = 'async' + typeid + 'error';\n            var strStatusDetail = 'async' + typeid + 'errordetail';\n            stringRequests = [\n                {key: strStatus, component: 'backup'},\n                {key: strStatusDetail, component: 'backup'}\n            ];\n            Str.get_strings(stringRequests).then(function(strings) {\n                elementstatus.text(strings[0]);\n                elementdetail.text(strings[1]);\n\n                return;\n            })\n            .catch(function() {\n                notification.exception(new Error('Failed to load string'));\n                return;\n            });\n\n            $('.backup_progress').children('span').removeClass('backup_stage_current');\n            $('.backup_progress').children('span').last().addClass('backup_stage_current');\n\n            // Stop checking when we either have an error or a completion.\n            clearInterval(backupintervalid);\n\n        } else if (progress.status == STATUS_FINISHED_OK) {\n            // Process completed successfully.\n\n            // Add in progress class color to bar\n            elementbar.classList.add('bg-success');\n\n            updateElement(backupid, type, 100);\n\n            // Change heading and text\n            var strComplete = 'async' + typeid + 'complete';\n            Str.get_string(strComplete, 'backup').then(function(title) {\n                elementstatus.text(title);\n                return;\n            }).catch(function() {\n                notification.exception(new Error('Failed to load string: backup ' + strComplete));\n            });\n\n            if (typeid == 'restore') {\n                ajax.call([{\n                    // Get the table data via webservice.\n                    methodname: 'core_backup_get_async_backup_links_restore',\n                    args: {\n                        'backupid': backupid,\n                        'contextid': contextid\n                    },\n                }])[0].done(function(response) {\n                    var strDetail = 'async' + typeid + 'completedetail';\n                    var strButton = 'async' + typeid + 'completebutton';\n                    var stringRequests = [\n                        {key: strDetail, component: 'backup', param: response.restoreurl},\n                        {key: strButton, component: 'backup'}\n                    ];\n                    Str.get_strings(stringRequests).then(function(strings) {\n                        elementdetail.html(strings[0]);\n                        elementbutton.text(strings[1]);\n                        elementbutton.attr('href', response.restoreurl);\n\n                        return;\n                    })\n                    .catch(function() {\n                        notification.exception(new Error('Failed to load string'));\n                        return;\n                    });\n\n                });\n            } else {\n                var strDetail = 'async' + typeid + 'completedetail';\n                var strButton = 'async' + typeid + 'completebutton';\n                stringRequests = [\n                    {key: strDetail, component: 'backup', param: restoreurl},\n                    {key: strButton, component: 'backup'}\n                ];\n                Str.get_strings(stringRequests).then(function(strings) {\n                    elementdetail.html(strings[0]);\n                    elementbutton.text(strings[1]);\n                    elementbutton.attr('href', restoreurl);\n\n                    return;\n                })\n                .catch(function() {\n                    notification.exception(new Error('Failed to load string'));\n                    return;\n                });\n\n            }\n\n            $('.backup_progress').children('span').removeClass('backup_stage_current');\n            $('.backup_progress').children('span').last().addClass('backup_stage_current');\n\n            // Stop checking when we either have an error or a completion.\n            clearInterval(backupintervalid);\n        }\n    }\n\n    /**\n     * Update the Moodle user interface with the progress of\n     * all the pending processes for backup and restore operations.\n     *\n     * @param {object} progress The progress and status of the process.\n     */\n    function updateProgressAll(progress) {\n        progress.forEach(function(element) {\n            var percentage = element.progress * 100;\n            var backupid = element.backupid;\n            var type = element.operation;\n            var elementbar = document.querySelectorAll(\"[data-\" + type + \"id=\" + CSS.escape(backupid) + \"]\")[0];\n\n            if (element.status == STATUS_EXECUTING) {\n                // Process is in element.\n\n                // Add in element class color to bar\n                elementbar.classList.add('bg-success');\n\n                updateElement(backupid, type, percentage);\n\n            } else if (element.status == STATUS_FINISHED_ERR) {\n                // Process completed with error.\n\n                // Add in fail class color to bar\n                elementbar.classList.add('bg-danger');\n                elementbar.classList.add('complete');\n\n                // Remove in element class color to bar\n                elementbar.classList.remove('bg-success');\n\n                updateElement(backupid, type, 100);\n\n            } else if (element.status == STATUS_FINISHED_OK) {\n                // Process completed successfully.\n\n                // Add in element class color to bar\n                elementbar.classList.add('bg-success');\n                elementbar.classList.add('complete');\n\n                updateElement(backupid, type, 100);\n\n                // We have a successful backup. Update the UI with download and file details.\n                if (type == 'backup') {\n                    updateBackupTableRow(backupid);\n                } else {\n                    updateRestoreTableRow(backupid);\n                }\n\n            }\n\n        });\n    }\n\n    /**\n     * Update the Moodle user interface with the progress of\n     * all the pending processes for copy operations.\n     *\n     * @param {object} progress The progress and status of the process.\n     */\n    function updateProgressCopy(progress) {\n        progress.forEach(function(element) {\n            var percentage = element.progress * 100;\n            var backupid = element.backupid;\n            var type = element.operation;\n            var elementbar = document.querySelectorAll(\"[data-\" + type + \"id=\" + CSS.escape(backupid) + \"]\")[0];\n\n            if (type == 'restore') {\n                 let restorecell = elementbar.closest('tr').children[3];\n                 Str.get_string('restore').then(function(content) {\n                     restorecell.innerHTML = content;\n                     return;\n                 }).catch(function() {\n                     notification.exception(new Error('Failed to load string: restore'));\n                 });\n            }\n\n            if (element.status == STATUS_EXECUTING) {\n                // Process is in element.\n\n                // Add in element class color to bar\n                elementbar.classList.add('bg-success');\n\n                updateElement(backupid, type, percentage);\n\n            } else if (element.status == STATUS_FINISHED_ERR) {\n                // Process completed with error.\n\n                // Add in fail class color to bar\n                elementbar.classList.add('bg-danger');\n                elementbar.classList.add('complete');\n\n                // Remove in element class color to bar\n                elementbar.classList.remove('bg-success');\n\n                updateElement(backupid, type, 100);\n\n            } else if ((element.status == STATUS_FINISHED_OK) && (type == 'restore')) {\n                // Process completed successfully.\n\n                // Add in element class color to bar\n                elementbar.classList.add('bg-success');\n                elementbar.classList.add('complete');\n\n                updateElement(backupid, type, 100);\n\n                // We have a successful copy. Update the UI link to copied course.\n                updateCopyTableRow(backupid);\n            }\n\n        });\n    }\n\n    /**\n     * Get the progress of the backup process via ajax.\n     */\n    function getBackupProgress() {\n        ajax.call([{\n            // Get the backup progress via webservice.\n            methodname: 'core_backup_get_async_backup_progress',\n            args: {\n                'backupids': [backupid],\n                'contextid': contextid\n            },\n        }], true, true, false, timeout)[0].done(function(response) {\n            // We have the progress now update the UI.\n            updateProgress(response[0]);\n            checkdelay = checkdelayoriginal;\n            backupintervalid = updateInterval(backupintervalid, getBackupProgress, checkdelayoriginal);\n        }).fail(function() {\n            checkdelay = checkdelay * checkdelaymultipler;\n            backupintervalid = updateInterval(backupintervalid, getBackupProgress, checkdelay);\n        });\n    }\n\n    /**\n     * Get the progress of all backup processes via ajax.\n     */\n    function getAllBackupProgress() {\n        var backupids = [];\n        var progressbars = $('.progress').find('.progress-bar').not('.complete');\n\n        progressbars.each(function() {\n            backupids.push((this.id).substring(0, 32));\n        });\n\n        if (backupids.length > 0) {\n            ajax.call([{\n                // Get the backup progress via webservice.\n                methodname: 'core_backup_get_async_backup_progress',\n                args: {\n                    'backupids': backupids,\n                    'contextid': contextid\n                },\n            }], true, true, false, timeout)[0].done(function(response) {\n                updateProgressAll(response);\n                checkdelay = checkdelayoriginal;\n                allbackupintervalid = updateInterval(allbackupintervalid, getAllBackupProgress, checkdelayoriginal);\n            }).fail(function() {\n                checkdelay = checkdelay * checkdelaymultipler;\n                allbackupintervalid = updateInterval(allbackupintervalid, getAllBackupProgress, checkdelay);\n            });\n        } else {\n            clearInterval(allbackupintervalid); // No more progress bars to update, stop checking.\n        }\n    }\n\n    /**\n     * Get the progress of all copy processes via ajax.\n     */\n    function getAllCopyProgress() {\n        var copyids = [];\n        var progressbars = $('.progress').find('.progress-bar[data-operation][data-backupid][data-restoreid]').not('.complete');\n\n        progressbars.each(function() {\n            let progressvars = {\n                    'backupid': this.dataset.backupid,\n                    'restoreid': this.dataset.restoreid,\n                    'operation': this.dataset.operation,\n            };\n            copyids.push(progressvars);\n        });\n\n        if (copyids.length > 0) {\n            ajax.call([{\n                // Get the copy progress via webservice.\n                methodname: 'core_backup_get_copy_progress',\n                args: {\n                    'copies': copyids\n                },\n            }], true, true, false, timeout)[0].done(function(response) {\n                updateProgressCopy(response);\n                checkdelay = checkdelayoriginal;\n                allcopyintervalid = updateInterval(allcopyintervalid, getAllCopyProgress, checkdelayoriginal);\n            }).fail(function() {\n                checkdelay = checkdelay * checkdelaymultipler;\n                allcopyintervalid = updateInterval(allcopyintervalid, getAllCopyProgress, checkdelay);\n            });\n        } else {\n            clearInterval(allcopyintervalid); // No more progress bars to update, stop checking.\n        }\n    }\n\n    /**\n     * Get status updates for all backups.\n     *\n     * @public\n     * @param {number} context The context id.\n     */\n    Asyncbackup.asyncBackupAllStatus = function(context) {\n        contextid = context;\n        allbackupintervalid = setInterval(getAllBackupProgress, checkdelay);\n    };\n\n    /**\n     * Get status updates for all course copies.\n     *\n     * @public\n     */\n    Asyncbackup.asyncCopyAllStatus = function() {\n        allcopyintervalid = setInterval(getAllCopyProgress, checkdelay);\n    };\n\n    /**\n     * Get status updates for backup.\n     *\n     * @public\n     * @param {string} backup The backup record id.\n     * @param {number} context The context id.\n     * @param {string} restore The restore link.\n     * @param {string} type The operation type (backup or restore).\n     */\n    Asyncbackup.asyncBackupStatus = function(backup, context, restore, type) {\n        backupid = backup;\n        contextid = context;\n        restoreurl = restore;\n\n        if (type == 'backup') {\n            typeid = 'backup';\n        } else {\n            typeid = 'restore';\n        }\n\n        // Remove the links from the progress bar, no going back now.\n        $('.backup_progress').children('a').removeAttr('href');\n\n        //  Periodically check for progress updates and update the UI as required.\n        backupintervalid = setInterval(getBackupProgress, checkdelay);\n\n      };\n\n      return Asyncbackup;\n});\n"],"file":"async_backup.min.js"}
\ No newline at end of file
+{"version":3,"file":"async_backup.min.js","sources":["../src/async_backup.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module updates the UI during an asynchronous\n * backup or restore process.\n *\n * @module     backup/util/async_backup\n * @package    core\n * @copyright  2018 Matt Porritt <mattp@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.7\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/notification', 'core/templates'],\n        function($, ajax, Str, notification, Templates) {\n\n    /**\n     * Module level constants.\n     *\n     * Using var instead of const as ES6 isn't fully supported yet.\n     */\n    var STATUS_EXECUTING = 800;\n    var STATUS_FINISHED_ERR = 900;\n    var STATUS_FINISHED_OK = 1000;\n\n    /**\n     * Module level variables.\n     */\n    var Asyncbackup = {};\n    var checkdelayoriginal = 15000; // This is the default time to use.\n    var checkdelay = 15000; // How often we should check for progress updates.\n    var checkdelaymultipler = 1.5; // If a request fails this multiplier will be used to increase the checkdelay value\n    var backupid; //  The backup id to get the progress for.\n    var contextid; //  The course this backup progress is for.\n    var restoreurl; //  The URL to view course restores.\n    var typeid; //  The type of operation backup or restore.\n    var backupintervalid; //  The id of the setInterval function.\n    var allbackupintervalid; //  The id of the setInterval function.\n    var allcopyintervalid; //  The id of the setInterval function.\n    var timeout = 2000; // Timeout for ajax requests.\n\n    /**\n     * Helper function to update UI components.\n     *\n     * @param {string} backupid The id to match elements on.\n     * @param {string} type The type of operation, backup or restore.\n     * @param {number} percentage The completion percentage to apply.\n     */\n    function updateElement(backupid, type, percentage) {\n        var percentagewidth = Math.round(percentage) + '%';\n        var elementbar = document.querySelectorAll(\"[data-\" + type + \"id=\" + CSS.escape(backupid) + \"]\")[0];\n        var percentagetext = percentage.toFixed(2) + '%';\n\n        // Set progress bar percentage indicators\n        elementbar.setAttribute('aria-valuenow', percentagewidth);\n        elementbar.style.width = percentagewidth;\n        elementbar.innerHTML = percentagetext;\n    }\n\n    /**\n     * Updates the interval we use to check for backup progress.\n     *\n     * @param {Number} intervalid The id of the interval\n     * @param {Function} callback The function to use in setInterval\n     * @param {Number} value The specified interval (in milliseconds)\n     * @returns {Number}\n     */\n    function updateInterval(intervalid, callback, value) {\n        clearInterval(intervalid);\n        return setInterval(callback, value);\n    }\n\n    /**\n     * Update backup table row when an async backup completes.\n     *\n     * @param {string} backupid The id to match elements on.\n     */\n    function updateBackupTableRow(backupid) {\n        var statuscell = $('#' + backupid + '_bar').parent().parent();\n        var tablerow = statuscell.parent();\n        var cellsiblings = statuscell.siblings();\n        var timecell = cellsiblings[1];\n        var timevalue = $(timecell).text();\n        var filenamecell = cellsiblings[0];\n        var filename = $(filenamecell).text();\n\n        ajax.call([{\n            // Get the table data via webservice.\n            methodname: 'core_backup_get_async_backup_links_backup',\n            args: {\n                'filename': filename,\n                'contextid': contextid\n            },\n        }])[0].done(function(response) {\n            // We have the data now update the UI.\n            var context = {\n                    filename: filename,\n                    time: timevalue,\n                    size: response.filesize,\n                    fileurl: response.fileurl,\n                    restoreurl: response.restoreurl\n                    };\n\n            Templates.render('core/async_backup_progress_row', context).then(function(html, js) {\n                Templates.replaceNodeContents(tablerow, html, js);\n                return;\n            }).fail(function() {\n                notification.exception(new Error('Failed to load table row'));\n                return;\n            });\n        });\n    }\n\n    /**\n     * Update restore table row when an async restore completes.\n     *\n     * @param {string} backupid The id to match elements on.\n     */\n    function updateRestoreTableRow(backupid) {\n        var statuscell = $('#' + backupid + '_bar').parent().parent();\n        var tablerow = statuscell.parent();\n        var cellsiblings = statuscell.siblings();\n        var coursecell = cellsiblings[0];\n        var timecell = cellsiblings[1];\n        var timevalue = $(timecell).text();\n\n        ajax.call([{\n            // Get the table data via webservice.\n            methodname: 'core_backup_get_async_backup_links_restore',\n            args: {\n                'backupid': backupid,\n                'contextid': contextid\n            },\n        }])[0].done(function(response) {\n         // We have the data now update the UI.\n            var resourcename = $(coursecell).text();\n            var context = {\n                    resourcename: resourcename,\n                    restoreurl: response.restoreurl,\n                    time: timevalue\n                    };\n\n            Templates.render('core/async_restore_progress_row', context).then(function(html, js) {\n                Templates.replaceNodeContents(tablerow, html, js);\n                return;\n            }).fail(function() {\n                notification.exception(new Error('Failed to load table row'));\n                return;\n            });\n        });\n    }\n\n    /**\n     * Update copy table row when an course copy completes.\n     *\n     * @param {string} backupid The id to match elements on.\n     */\n    function updateCopyTableRow(backupid) {\n        var elementbar = document.querySelectorAll(\"[data-restoreid=\" + CSS.escape(backupid) + \"]\")[0];\n        var restorecourse = elementbar.closest('tr').children[1];\n        var coursename = restorecourse.innerHTML;\n        var courselink = document.createElement('a');\n        var elementbarparent = elementbar.closest('td');\n        var operation = elementbarparent.previousElementSibling;\n\n        // Replace the prgress bar.\n        Str.get_string('complete').then(function(content) {\n            operation.innerHTML = content;\n            return;\n        }).catch(function() {\n            notification.exception(new Error('Failed to load string: complete'));\n            return;\n        });\n\n        Templates.render('core/async_copy_complete_cell', {}).then(function(html, js) {\n            Templates.replaceNodeContents(elementbarparent, html, js);\n            return;\n        }).fail(function() {\n            notification.exception(new Error('Failed to load table cell'));\n            return;\n        });\n\n        // Update the destination course name to a link to that course.\n        ajax.call([{\n            methodname: 'core_backup_get_async_backup_links_restore',\n            args: {\n                'backupid': backupid,\n                'contextid': 0\n            },\n        }])[0].done(function(response) {\n            courselink.setAttribute('href', response.restoreurl);\n            courselink.innerHTML = coursename;\n            restorecourse.innerHTML = null;\n            restorecourse.appendChild(courselink);\n\n            return;\n        }).fail(function() {\n            notification.exception(new Error('Failed to update table row'));\n            return;\n        });\n    }\n\n    /**\n     * Update the Moodle user interface with the progress of\n     * the backup process.\n     *\n     * @param {object} progress The progress and status of the process.\n     */\n    function updateProgress(progress) {\n        var percentage = progress.progress * 100;\n        var type = 'backup';\n        var elementbar = document.querySelectorAll(\"[data-\" + type + \"id=\" + CSS.escape(backupid) + \"]\")[0];\n        var elementstatus = $('#' + backupid + '_status');\n        var elementdetail = $('#' + backupid + '_detail');\n        var elementbutton = $('#' + backupid + '_button');\n        var stringRequests;\n\n        if (progress.status == STATUS_EXECUTING) {\n            // Process is in progress.\n            // Add in progress class color to bar.\n            elementbar.classList.add('bg-success');\n\n            updateElement(backupid, type, percentage);\n\n            // Change heading.\n            var strProcessing = 'async' + typeid + 'processing';\n            Str.get_string(strProcessing, 'backup').then(function(title) {\n                elementstatus.text(title);\n                return;\n            }).catch(function() {\n                notification.exception(new Error('Failed to load string: backup ' + strProcessing));\n            });\n\n        } else if (progress.status == STATUS_FINISHED_ERR) {\n            // Process completed with error.\n\n            // Add in fail class color to bar.\n            elementbar.classList.add('bg-danger');\n\n            // Remove in progress class color to bar.\n            elementbar.classList.remove('bg-success');\n\n            updateElement(backupid, type, 100);\n\n            // Change heading and text.\n            var strStatus = 'async' + typeid + 'error';\n            var strStatusDetail = 'async' + typeid + 'errordetail';\n            stringRequests = [\n                {key: strStatus, component: 'backup'},\n                {key: strStatusDetail, component: 'backup'}\n            ];\n            Str.get_strings(stringRequests).then(function(strings) {\n                elementstatus.text(strings[0]);\n                elementdetail.text(strings[1]);\n\n                return;\n            })\n            .catch(function() {\n                notification.exception(new Error('Failed to load string'));\n                return;\n            });\n\n            $('.backup_progress').children('span').removeClass('backup_stage_current');\n            $('.backup_progress').children('span').last().addClass('backup_stage_current');\n\n            // Stop checking when we either have an error or a completion.\n            clearInterval(backupintervalid);\n\n        } else if (progress.status == STATUS_FINISHED_OK) {\n            // Process completed successfully.\n\n            // Add in progress class color to bar\n            elementbar.classList.add('bg-success');\n\n            updateElement(backupid, type, 100);\n\n            // Change heading and text\n            var strComplete = 'async' + typeid + 'complete';\n            Str.get_string(strComplete, 'backup').then(function(title) {\n                elementstatus.text(title);\n                return;\n            }).catch(function() {\n                notification.exception(new Error('Failed to load string: backup ' + strComplete));\n            });\n\n            if (typeid == 'restore') {\n                ajax.call([{\n                    // Get the table data via webservice.\n                    methodname: 'core_backup_get_async_backup_links_restore',\n                    args: {\n                        'backupid': backupid,\n                        'contextid': contextid\n                    },\n                }])[0].done(function(response) {\n                    var strDetail = 'async' + typeid + 'completedetail';\n                    var strButton = 'async' + typeid + 'completebutton';\n                    var stringRequests = [\n                        {key: strDetail, component: 'backup', param: response.restoreurl},\n                        {key: strButton, component: 'backup'}\n                    ];\n                    Str.get_strings(stringRequests).then(function(strings) {\n                        elementdetail.html(strings[0]);\n                        elementbutton.text(strings[1]);\n                        elementbutton.attr('href', response.restoreurl);\n\n                        return;\n                    })\n                    .catch(function() {\n                        notification.exception(new Error('Failed to load string'));\n                        return;\n                    });\n\n                });\n            } else {\n                var strDetail = 'async' + typeid + 'completedetail';\n                var strButton = 'async' + typeid + 'completebutton';\n                stringRequests = [\n                    {key: strDetail, component: 'backup', param: restoreurl},\n                    {key: strButton, component: 'backup'}\n                ];\n                Str.get_strings(stringRequests).then(function(strings) {\n                    elementdetail.html(strings[0]);\n                    elementbutton.text(strings[1]);\n                    elementbutton.attr('href', restoreurl);\n\n                    return;\n                })\n                .catch(function() {\n                    notification.exception(new Error('Failed to load string'));\n                    return;\n                });\n\n            }\n\n            $('.backup_progress').children('span').removeClass('backup_stage_current');\n            $('.backup_progress').children('span').last().addClass('backup_stage_current');\n\n            // Stop checking when we either have an error or a completion.\n            clearInterval(backupintervalid);\n        }\n    }\n\n    /**\n     * Update the Moodle user interface with the progress of\n     * all the pending processes for backup and restore operations.\n     *\n     * @param {object} progress The progress and status of the process.\n     */\n    function updateProgressAll(progress) {\n        progress.forEach(function(element) {\n            var percentage = element.progress * 100;\n            var backupid = element.backupid;\n            var type = element.operation;\n            var elementbar = document.querySelectorAll(\"[data-\" + type + \"id=\" + CSS.escape(backupid) + \"]\")[0];\n\n            if (element.status == STATUS_EXECUTING) {\n                // Process is in element.\n\n                // Add in element class color to bar\n                elementbar.classList.add('bg-success');\n\n                updateElement(backupid, type, percentage);\n\n            } else if (element.status == STATUS_FINISHED_ERR) {\n                // Process completed with error.\n\n                // Add in fail class color to bar\n                elementbar.classList.add('bg-danger');\n                elementbar.classList.add('complete');\n\n                // Remove in element class color to bar\n                elementbar.classList.remove('bg-success');\n\n                updateElement(backupid, type, 100);\n\n            } else if (element.status == STATUS_FINISHED_OK) {\n                // Process completed successfully.\n\n                // Add in element class color to bar\n                elementbar.classList.add('bg-success');\n                elementbar.classList.add('complete');\n\n                updateElement(backupid, type, 100);\n\n                // We have a successful backup. Update the UI with download and file details.\n                if (type == 'backup') {\n                    updateBackupTableRow(backupid);\n                } else {\n                    updateRestoreTableRow(backupid);\n                }\n\n            }\n\n        });\n    }\n\n    /**\n     * Update the Moodle user interface with the progress of\n     * all the pending processes for copy operations.\n     *\n     * @param {object} progress The progress and status of the process.\n     */\n    function updateProgressCopy(progress) {\n        progress.forEach(function(element) {\n            var percentage = element.progress * 100;\n            var backupid = element.backupid;\n            var type = element.operation;\n            var elementbar = document.querySelectorAll(\"[data-\" + type + \"id=\" + CSS.escape(backupid) + \"]\")[0];\n\n            if (type == 'restore') {\n                 let restorecell = elementbar.closest('tr').children[3];\n                 Str.get_string('restore').then(function(content) {\n                     restorecell.innerHTML = content;\n                     return;\n                 }).catch(function() {\n                     notification.exception(new Error('Failed to load string: restore'));\n                 });\n            }\n\n            if (element.status == STATUS_EXECUTING) {\n                // Process is in element.\n\n                // Add in element class color to bar\n                elementbar.classList.add('bg-success');\n\n                updateElement(backupid, type, percentage);\n\n            } else if (element.status == STATUS_FINISHED_ERR) {\n                // Process completed with error.\n\n                // Add in fail class color to bar\n                elementbar.classList.add('bg-danger');\n                elementbar.classList.add('complete');\n\n                // Remove in element class color to bar\n                elementbar.classList.remove('bg-success');\n\n                updateElement(backupid, type, 100);\n\n            } else if ((element.status == STATUS_FINISHED_OK) && (type == 'restore')) {\n                // Process completed successfully.\n\n                // Add in element class color to bar\n                elementbar.classList.add('bg-success');\n                elementbar.classList.add('complete');\n\n                updateElement(backupid, type, 100);\n\n                // We have a successful copy. Update the UI link to copied course.\n                updateCopyTableRow(backupid);\n            }\n\n        });\n    }\n\n    /**\n     * Get the progress of the backup process via ajax.\n     */\n    function getBackupProgress() {\n        ajax.call([{\n            // Get the backup progress via webservice.\n            methodname: 'core_backup_get_async_backup_progress',\n            args: {\n                'backupids': [backupid],\n                'contextid': contextid\n            },\n        }], true, true, false, timeout)[0].done(function(response) {\n            // We have the progress now update the UI.\n            updateProgress(response[0]);\n            checkdelay = checkdelayoriginal;\n            backupintervalid = updateInterval(backupintervalid, getBackupProgress, checkdelayoriginal);\n        }).fail(function() {\n            checkdelay = checkdelay * checkdelaymultipler;\n            backupintervalid = updateInterval(backupintervalid, getBackupProgress, checkdelay);\n        });\n    }\n\n    /**\n     * Get the progress of all backup processes via ajax.\n     */\n    function getAllBackupProgress() {\n        var backupids = [];\n        var progressbars = $('.progress').find('.progress-bar').not('.complete');\n\n        progressbars.each(function() {\n            backupids.push((this.id).substring(0, 32));\n        });\n\n        if (backupids.length > 0) {\n            ajax.call([{\n                // Get the backup progress via webservice.\n                methodname: 'core_backup_get_async_backup_progress',\n                args: {\n                    'backupids': backupids,\n                    'contextid': contextid\n                },\n            }], true, true, false, timeout)[0].done(function(response) {\n                updateProgressAll(response);\n                checkdelay = checkdelayoriginal;\n                allbackupintervalid = updateInterval(allbackupintervalid, getAllBackupProgress, checkdelayoriginal);\n        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ajax.call([{\n                // Get the copy progress via webservice.\n                methodname: 'core_backup_get_copy_progress',\n                args: {\n                    'copies': copyids\n                },\n            }], true, true, false, timeout)[0].done(function(response) {\n                updateProgressCopy(response);\n                checkdelay = checkdelayoriginal;\n                allcopyintervalid = updateInterval(allcopyintervalid, getAllCopyProgress, checkdelayoriginal);\n            }).fail(function() {\n                checkdelay = checkdelay * checkdelaymultipler;\n                allcopyintervalid = updateInterval(allcopyintervalid, getAllCopyProgress, checkdelay);\n            });\n        } else {\n            clearInterval(allcopyintervalid); // No more progress bars to update, stop checking.\n        }\n    }\n\n    /**\n     * Get status updates for all backups.\n     *\n     * @public\n     * @param {number} context The context id.\n     */\n    Asyncbackup.asyncBackupAllStatus = function(context) {\n        contextid = context;\n        allbackupintervalid = setInterval(getAllBackupProgress, checkdelay);\n    };\n\n    /**\n     * Get status updates for all course copies.\n     *\n     * @public\n     */\n    Asyncbackup.asyncCopyAllStatus = function() {\n        allcopyintervalid = setInterval(getAllCopyProgress, checkdelay);\n    };\n\n    /**\n     * Get status updates for backup.\n     *\n     * @public\n     * @param {string} backup The backup record id.\n     * @param {number} context The context id.\n     * @param {string} restore The restore link.\n     * @param {string} type The operation type (backup or restore).\n     */\n    Asyncbackup.asyncBackupStatus = function(backup, context, restore, type) {\n        backupid = backup;\n        contextid = context;\n        restoreurl = restore;\n\n        if (type == 'backup') {\n            typeid = 'backup';\n        } else {\n            typeid = 'restore';\n        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diff --git a/badges/amd/build/backpackactions.min.js b/badges/amd/build/backpackactions.min.js
index c97715efa54..409d20e4b9f 100644
--- a/badges/amd/build/backpackactions.min.js
+++ b/badges/amd/build/backpackactions.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=backpackactions.min.js.map
+define("core_badges/backpackactions",["exports","jquery","core_badges/selectors","core/str","core/pending","core/modal_factory","core/modal_events","core/config"],(function(_exports,_jquery,_selectors,_str,_pending,_modal_factory,_modal_events,_config){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}function _asyncToGenerator(fn){return function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_jquery=_interopRequireDefault(_jquery),_selectors=_interopRequireDefault(_selectors),_pending=_interopRequireDefault(_pending),_modal_factory=_interopRequireDefault(_modal_factory),_modal_events=_interopRequireDefault(_modal_events),_config=_interopRequireDefault(_config);_exports.init=function(){var pendingPromise=new _pending.default,root=(0,_jquery.default)(_selectors.default.elements.main);registerListenerEvents(root),pendingPromise.resolve()};var _ref2,_ref3,registerListenerEvents=function(root){var _ref;root.on("click",_selectors.default.actions.deletebackpack,(_ref=_asyncToGenerator(regeneratorRuntime.mark((function _callee(e){var link,modal;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:return e.preventDefault(),link=(0,_jquery.default)(e.currentTarget),_context.next=4,buildModal(link);case 4:modal=_context.sent,displayModal(modal,link);case 6:case"end":return _context.stop()}}),_callee)}))),function(_x){return _ref.apply(this,arguments)}))},buildModal=(_ref2=_asyncToGenerator(regeneratorRuntime.mark((function _callee2(link){var backpackurl;return regeneratorRuntime.wrap((function(_context2){for(;;)switch(_context2.prev=_context2.next){case 0:return backpackurl=link.closest(_selectors.default.elements.backpackurl).attr("data-backpackurl"),_context2.t0=_modal_factory.default,_context2.next=4,(0,_str.get_string)("delexternalbackpack","core_badges");case 4:return _context2.t1=_context2.sent,_context2.next=7,(0,_str.get_string)("delexternalbackpackconfirm","core_badges",backpackurl);case 7:return _context2.t2=_context2.sent,_context2.t3=_modal_factory.default.types.SAVE_CANCEL,_context2.t4={title:_context2.t1,body:_context2.t2,type:_context2.t3},_context2.abrupt("return",_context2.t0.create.call(_context2.t0,_context2.t4));case 11:case"end":return _context2.stop()}}),_callee2)}))),function(_x2){return _ref2.apply(this,arguments)}),displayModal=(_ref3=_asyncToGenerator(regeneratorRuntime.mark((function _callee3(modal,link){return regeneratorRuntime.wrap((function(_context3){for(;;)switch(_context3.prev=_context3.next){case 0:return _context3.t0=modal,_context3.next=3,(0,_str.get_string)("delete","core");case 3:_context3.t1=_context3.sent,_context3.t0.setSaveButtonText.call(_context3.t0,_context3.t1),modal.getRoot().on(_modal_events.default.save,(function(){window.location.href=link.attr("href")+"&sesskey="+_config.default.sesskey+"&confirm=1"})),modal.getRoot().on(_modal_events.default.hidden,(function(){modal.destroy()})),modal.show();case 8:case"end":return _context3.stop()}}),_callee3)}))),function(_x3,_x4){return _ref3.apply(this,arguments)})}));
+
+//# sourceMappingURL=backpackactions.min.js.map
\ No newline at end of file
diff --git a/badges/amd/build/backpackactions.min.js.map b/badges/amd/build/backpackactions.min.js.map
index 52bdc232cba..30638761d38 100644
--- a/badges/amd/build/backpackactions.min.js.map
+++ b/badges/amd/build/backpackactions.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/backpackactions.js"],"names":["init","pendingPromise","Pending","root","selectors","elements","main","registerListenerEvents","resolve","on","actions","deletebackpack","e","preventDefault","link","currentTarget","buildModal","modal","displayModal","backpackurl","closest","attr","ModalFactory","types","SAVE_CANCEL","title","body","type","create","setSaveButtonText","getRoot","ModalEvents","save","window","location","href","Config","sesskey","hidden","destroy","show"],"mappings":"0QAwBA,OACA,OAEA,OACA,OACA,OACA,O,kXAOO,GAAMA,CAAAA,CAAI,CAAG,UAAM,IAChBC,CAAAA,CAAc,CAAG,GAAIC,UADL,CAGhBC,CAAI,CAAG,cAAEC,UAAUC,QAAV,CAAmBC,IAArB,CAHS,CAItBC,CAAsB,CAACJ,CAAD,CAAtB,CAEAF,CAAc,CAACO,OAAf,EACH,CAPM,C,YAeDD,CAAAA,CAAsB,CAAG,SAACJ,CAAD,CAAU,CAErCA,CAAI,CAACM,EAAL,CAAQ,OAAR,CAAiBL,UAAUM,OAAV,CAAkBC,cAAnC,4CAAmD,WAAMC,CAAN,2FAC/CA,CAAC,CAACC,cAAF,GAEMC,CAHyC,CAGlC,cAAEF,CAAC,CAACG,aAAJ,CAHkC,gBAI3BC,CAAAA,CAAU,CAACF,CAAD,CAJiB,QAIzCG,CAJyC,QAM/CC,CAAY,CAACD,CAAD,CAAQH,CAAR,CAAZ,CAN+C,wCAAnD,wDAQH,C,CAEKE,CAAU,4CAAG,WAAMF,CAAN,yFAETK,CAFS,CAEKL,CAAI,CAACM,OAAL,CAAahB,UAAUC,QAAV,CAAmBc,WAAhC,EAA6CE,IAA7C,CAAkD,kBAAlD,CAFL,MAIRC,SAJQ,gBAKE,iBAAU,qBAAV,CAAiC,aAAjC,CALF,mCAMC,iBAAU,4BAAV,CAAwC,aAAxC,CAAuDH,CAAvD,CAND,yBAOLG,UAAaC,KAAb,CAAmBC,WAPd,OAKXC,KALW,MAMXC,IANW,MAOXC,IAPW,qCAIKC,MAJL,2DAAH,uD,CAYVV,CAAY,4CAAG,WAAMD,CAAN,CAAaH,CAAb,wFACjBG,CADiB,gBACa,iBAAU,QAAV,CAAoB,MAApB,CADb,yBACXY,iBADW,iBAGjBZ,CAAK,CAACa,OAAN,GAAgBrB,EAAhB,CAAmBsB,UAAYC,IAA/B,CAAqC,UAAW,CAC5CC,MAAM,CAACC,QAAP,CAAgBC,IAAhB,CAAuBrB,CAAI,CAACO,IAAL,CAAU,MAAV,EAAoB,WAApB,CAAkCe,UAAOC,OAAzC,CAAmD,YAC7E,CAFD,EAIApB,CAAK,CAACa,OAAN,GAAgBrB,EAAhB,CAAmBsB,UAAYO,MAA/B,CAAuC,UAAW,CAC9CrB,CAAK,CAACsB,OAAN,EACH,CAFD,EAIAtB,CAAK,CAACuB,IAAN,GAXiB,wCAAH,uD","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Action methods related to backpacks.\n *\n * @module     core_badges/backpackactions\n * @package    core_badges\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport selectors from 'core_badges/selectors';\nimport {get_string as getString} from 'core/str';\nimport Pending from 'core/pending';\nimport ModalFactory from 'core/modal_factory';\nimport ModalEvents from 'core/modal_events';\nimport Config from 'core/config';\n\n/**\n * Set up the actions.\n *\n * @method init\n */\nexport const init = () => {\n    const pendingPromise = new Pending();\n\n    const root = $(selectors.elements.main);\n    registerListenerEvents(root);\n\n    pendingPromise.resolve();\n};\n\n/**\n * Register backpack related event listeners.\n *\n * @method registerListenerEvents\n * @param {Object} root The root element.\n */\nconst registerListenerEvents = (root) => {\n\n    root.on('click', selectors.actions.deletebackpack, async(e) => {\n        e.preventDefault();\n\n        const link = $(e.currentTarget);\n        const modal = await buildModal(link);\n\n        displayModal(modal, link);\n    });\n};\n\nconst buildModal = async(link) => {\n\n    const backpackurl = link.closest(selectors.elements.backpackurl).attr('data-backpackurl');\n\n    return ModalFactory.create({\n        title: await getString('delexternalbackpack', 'core_badges'),\n        body: await getString('delexternalbackpackconfirm', 'core_badges', backpackurl),\n        type: ModalFactory.types.SAVE_CANCEL,\n    });\n\n};\n\nconst displayModal = async(modal, link) => {\n    modal.setSaveButtonText(await getString('delete', 'core'));\n\n    modal.getRoot().on(ModalEvents.save, function() {\n        window.location.href = link.attr('href') + '&sesskey=' + Config.sesskey + '&confirm=1';\n    });\n\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        modal.destroy();\n    });\n\n    modal.show();\n};\n"],"file":"backpackactions.min.js"}
\ No newline at end of file
+{"version":3,"file":"backpackactions.min.js","sources":["../src/backpackactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Action methods related to backpacks.\n *\n * @module     core_badges/backpackactions\n * @package    core_badges\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport selectors from 'core_badges/selectors';\nimport {get_string as getString} from 'core/str';\nimport Pending from 'core/pending';\nimport ModalFactory from 'core/modal_factory';\nimport ModalEvents from 'core/modal_events';\nimport Config from 'core/config';\n\n/**\n * Set up the actions.\n *\n * @method init\n */\nexport const init = () => {\n    const pendingPromise = new Pending();\n\n    const root = $(selectors.elements.main);\n    registerListenerEvents(root);\n\n    pendingPromise.resolve();\n};\n\n/**\n * Register backpack related event listeners.\n *\n * @method registerListenerEvents\n * @param {Object} root The root element.\n */\nconst registerListenerEvents = (root) => {\n\n    root.on('click', selectors.actions.deletebackpack, async(e) => {\n        e.preventDefault();\n\n        const link = $(e.currentTarget);\n        const modal = await buildModal(link);\n\n        displayModal(modal, link);\n    });\n};\n\nconst buildModal = async(link) => {\n\n    const backpackurl = link.closest(selectors.elements.backpackurl).attr('data-backpackurl');\n\n    return ModalFactory.create({\n        title: await getString('delexternalbackpack', 'core_badges'),\n        body: await getString('delexternalbackpackconfirm', 'core_badges', backpackurl),\n        type: ModalFactory.types.SAVE_CANCEL,\n    });\n\n};\n\nconst displayModal = async(modal, link) => {\n    modal.setSaveButtonText(await getString('delete', 'core'));\n\n    modal.getRoot().on(ModalEvents.save, function() {\n        window.location.href = link.attr('href') + '&sesskey=' + Config.sesskey + '&confirm=1';\n    });\n\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        modal.destroy();\n    });\n\n    modal.show();\n};\n"],"names":["pendingPromise","Pending","root","selectors","elements","main","registerListenerEvents","resolve","on","actions","deletebackpack","e","preventDefault","link","currentTarget","buildModal","modal","displayModal","backpackurl","closest","attr","ModalFactory","types","SAVE_CANCEL","title","body","type","create","setSaveButtonText","getRoot","ModalEvents","save","window","location","href","Config","sesskey","hidden","destroy","show"],"mappings":"4uCAqCoB,eACVA,eAAiB,IAAIC,iBAErBC,MAAO,mBAAEC,mBAAUC,SAASC,MAClCC,uBAAuBJ,MAEvBF,eAAeO,2BASbD,uBAAyB,SAACJ,eAE5BA,KAAKM,GAAG,QAASL,mBAAUM,QAAQC,gEAAgB,iBAAMC,8HACrDA,EAAEC,iBAEIC,MAAO,mBAAEF,EAAEG,+BACGC,WAAWF,aAAzBG,oBAENC,aAAaD,MAAOH,iHAItBE,6DAAa,kBAAMF,qIAEfK,YAAcL,KAAKM,QAAQhB,mBAAUC,SAASc,aAAaE,KAAK,iCAE/DC,yCACU,mBAAU,sBAAuB,2EAClC,mBAAU,6BAA8B,cAAeH,oEAC7DG,uBAAaC,MAAMC,0BAFzBC,mBACAC,kBACAC,0DAHgBC,sJAQlBV,+DAAe,kBAAMD,MAAOH,kIAC9BG,wBAA8B,mBAAU,SAAU,wDAA5CY,kDAENZ,MAAMa,UAAUrB,GAAGsB,sBAAYC,MAAM,WACjCC,OAAOC,SAASC,KAAOrB,KAAKO,KAAK,QAAU,YAAce,gBAAOC,QAAU,gBAG9EpB,MAAMa,UAAUrB,GAAGsB,sBAAYO,QAAQ,WACnCrB,MAAMsB,aAGVtB,MAAMuB"}
\ No newline at end of file
diff --git a/badges/amd/build/selectors.min.js b/badges/amd/build/selectors.min.js
index dbe7b36586e..16dca8ee716 100644
--- a/badges/amd/build/selectors.min.js
+++ b/badges/amd/build/selectors.min.js
@@ -1,2 +1,12 @@
-define ("core_badges/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b={actions:{deletebackpack:function getDataSelector(a,b){return"[data-".concat(a,"=\"").concat(b,"\"]")}("action","deletebackpack")},elements:{clearsearch:".input-group-append .clear-icon",main:"#backpacklist",backpackurl:"[data-backpackurl]"}};a.default=b;return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("core_badges/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Define all of the selectors we will be using on the backpack interface.
+   *
+   * @module     core_badges/selectors
+   * @package    core_badges
+   * @copyright  2020 Sara Arjona <sara@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var name,value,_default={actions:{deletebackpack:(name="action",value="deletebackpack","[data-".concat(name,'="').concat(value,'"]'))},elements:{clearsearch:".input-group-append .clear-icon",main:"#backpacklist",backpackurl:"[data-backpackurl]"}};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/badges/amd/build/selectors.min.js.map b/badges/amd/build/selectors.min.js.map
index 856297c27e3..1dadc93a8aa 100644
--- a/badges/amd/build/selectors.min.js.map
+++ b/badges/amd/build/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/selectors.js"],"names":["actions","deletebackpack","getDataSelector","name","value","elements","clearsearch","main","backpackurl"],"mappings":"6IAoCe,CACXA,OAAO,CAAE,CACLC,cAAc,CANE,QAAlBC,CAAAA,eAAkB,CAACC,CAAD,CAAOC,CAAP,CAAiB,CACrC,sBAAgBD,CAAhB,eAAyBC,CAAzB,OACH,CAIuB,CAAgB,QAAhB,CAA0B,gBAA1B,CADX,CADE,CAIXC,QAAQ,CAAE,CACNC,WAAW,CAAE,iCADP,CAENC,IAAI,CAAE,eAFA,CAGNC,WAAW,CAAE,oBAHP,CAJC,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the backpack interface.\n *\n * @module     core_badges/selectors\n * @package    core_badges\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * A small helper function to build queryable data selectors.\n *\n * @method getDataSelector\n * @param {String} name\n * @param {String} value\n * @return {string}\n */\nconst getDataSelector = (name, value) => {\n    return `[data-${name}=\"${value}\"]`;\n};\n\nexport default {\n    actions: {\n        deletebackpack: getDataSelector('action', 'deletebackpack'),\n    },\n    elements: {\n        clearsearch: '.input-group-append .clear-icon',\n        main: '#backpacklist',\n        backpackurl: '[data-backpackurl]',\n    },\n};\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../src/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the backpack interface.\n *\n * @module     core_badges/selectors\n * @package    core_badges\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * A small helper function to build queryable data selectors.\n *\n * @method getDataSelector\n * @param {String} name\n * @param {String} value\n * @return {string}\n */\nconst getDataSelector = (name, value) => {\n    return `[data-${name}=\"${value}\"]`;\n};\n\nexport default {\n    actions: {\n        deletebackpack: getDataSelector('action', 'deletebackpack'),\n    },\n    elements: {\n        clearsearch: '.input-group-append .clear-icon',\n        main: '#backpacklist',\n        backpackurl: '[data-backpackurl]',\n    },\n};\n"],"names":["name","value","actions","deletebackpack","elements","clearsearch","main","backpackurl"],"mappings":";;;;;;;;;IAgCyBA,KAAMC,eAIhB,CACXC,QAAS,CACLC,gBANiBH,KAMe,SANTC,MAMmB,iCAL9BD,kBAASC,cAOzBG,SAAU,CACNC,YAAa,kCACbC,KAAM,gBACNC,YAAa"}
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/main.min.js b/blocks/myoverview/amd/build/main.min.js
index c8b1ba8f634..035436fdd0b 100644
--- a/blocks/myoverview/amd/build/main.min.js
+++ b/blocks/myoverview/amd/build/main.min.js
@@ -1,2 +1,10 @@
-define ("block_myoverview/main",["jquery","block_myoverview/view","block_myoverview/view_nav"],function(a,b,c){return{init:function init(d){d=a(d);c.init(d);b.init(d)}}});
-//# sourceMappingURL=main.min.js.map
+/**
+ * Javascript to initialise the myoverview block.
+ *
+ * @package    block_myoverview
+ * @copyright  2018 Bas Brands <bas@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_myoverview/main",["jquery","block_myoverview/view","block_myoverview/view_nav"],(function($,View,ViewNav){return{init:function(root){root=$(root),ViewNav.init(root),View.init(root)}}}));
+
+//# sourceMappingURL=main.min.js.map
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/main.min.js.map b/blocks/myoverview/amd/build/main.min.js.map
index 215d532d074..a87182d9e40 100644
--- a/blocks/myoverview/amd/build/main.min.js.map
+++ b/blocks/myoverview/amd/build/main.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/main.js"],"names":["define","$","View","ViewNav","init","root"],"mappings":"AAuBAA,OAAM,yBACN,CACI,QADJ,CAEI,uBAFJ,CAGI,2BAHJ,CADM,CAMN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIE,CAcE,MAAO,CACHC,IAAI,CATG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAe,CACtBA,CAAI,CAAGJ,CAAC,CAACI,CAAD,CAAR,CAEAF,CAAO,CAACC,IAAR,CAAaC,CAAb,EAEAH,CAAI,CAACE,IAAL,CAAUC,CAAV,CACH,CAEM,CAGV,CA3BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the myoverview block.\n *\n * @package    block_myoverview\n * @copyright  2018 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'block_myoverview/view',\n    'block_myoverview/view_nav'\n],\nfunction(\n    $,\n    View,\n    ViewNav\n) {\n    /**\n     * Initialise all of the modules for the overview block.\n     *\n     * @param {object} root The root element for the overview block.\n     */\n    var init = function(root) {\n        root = $(root);\n        // Initialise the course navigation elements.\n        ViewNav.init(root);\n        // Initialise the courses view modules.\n        View.init(root);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"file":"main.min.js"}
\ No newline at end of file
+{"version":3,"file":"main.min.js","sources":["../src/main.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the myoverview block.\n *\n * @package    block_myoverview\n * @copyright  2018 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'block_myoverview/view',\n    'block_myoverview/view_nav'\n],\nfunction(\n    $,\n    View,\n    ViewNav\n) {\n    /**\n     * Initialise all of the modules for the overview block.\n     *\n     * @param {object} root The root element for the overview block.\n     */\n    var init = function(root) {\n        root = $(root);\n        // Initialise the course navigation elements.\n        ViewNav.init(root);\n        // Initialise the courses view modules.\n        View.init(root);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","View","ViewNav","init","root"],"mappings":";;;;;;;AAuBAA,+BACA,CACI,SACA,wBACA,8BAEJ,SACIC,EACAC,KACAC,eAeO,CACHC,KATO,SAASC,MAChBA,KAAOJ,EAAEI,MAETF,QAAQC,KAAKC,MAEbH,KAAKE,KAAKC"}
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/repository.min.js b/blocks/myoverview/amd/build/repository.min.js
index 896dbb910eb..0b9a39288af 100644
--- a/blocks/myoverview/amd/build/repository.min.js
+++ b/blocks/myoverview/amd/build/repository.min.js
@@ -1,2 +1,10 @@
-define ("block_myoverview/repository",["core/ajax","core/notification"],function(a,b){return{getEnrolledCoursesByTimeline:function getEnrolledCoursesByTimeline(b){var c=a.call([{methodname:"core_course_get_enrolled_courses_by_timeline_classification",args:b}])[0];return c},setFavouriteCourses:function setFavouriteCourses(b){var c=a.call([{methodname:"core_course_set_favourite_courses",args:b}])[0];return c},updateUserPreferences:function updateUserPreferences(c){a.call([{methodname:"core_user_update_user_preferences",args:c}])[0].fail(b.exception)}}});
-//# sourceMappingURL=repository.min.js.map
+/**
+ * A javascript module to retrieve enrolled coruses from the server.
+ *
+ * @package    block_myoverview
+ * @copyright  2018 Bas Brands <base@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_myoverview/repository",["core/ajax","core/notification"],(function(Ajax,Notification){return{getEnrolledCoursesByTimeline:function(args){var request={methodname:"core_course_get_enrolled_courses_by_timeline_classification",args:args};return Ajax.call([request])[0]},setFavouriteCourses:function(args){var request={methodname:"core_course_set_favourite_courses",args:args};return Ajax.call([request])[0]},updateUserPreferences:function(args){var request={methodname:"core_user_update_user_preferences",args:args};Ajax.call([request])[0].fail(Notification.exception)}}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/repository.min.js.map b/blocks/myoverview/amd/build/repository.min.js.map
index 1ceb1883e79..079f9d8bd10 100644
--- a/blocks/myoverview/amd/build/repository.min.js.map
+++ b/blocks/myoverview/amd/build/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/repository.js"],"names":["define","Ajax","Notification","getEnrolledCoursesByTimeline","args","promise","call","methodname","setFavouriteCourses","updateUserPreferences","fail","exception"],"mappings":"AAsBAA,OAAM,+BAAC,CAAC,WAAD,CAAc,mBAAd,CAAD,CAAqC,SAASC,CAAT,CAAeC,CAAf,CAA6B,CAyEpE,MAAO,CACHC,4BAA4B,CA3DG,QAA/BA,CAAAA,4BAA+B,CAASC,CAAT,CAAe,IAO1CC,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CALV,CACVC,UAAU,CAAE,6DADF,CAEVH,IAAI,CAAEA,CAFI,CAKU,CAAV,EAAqB,CAArB,CAPgC,CAS9C,MAAOC,CAAAA,CACV,CAgDM,CAEHG,mBAAmB,CAvCG,QAAtBA,CAAAA,mBAAsB,CAASJ,CAAT,CAAe,IAOjCC,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CALV,CACVC,UAAU,CAAE,mCADF,CAEVH,IAAI,CAAEA,CAFI,CAKU,CAAV,EAAqB,CAArB,CAPuB,CASrC,MAAOC,CAAAA,CACV,CA2BM,CAGHI,qBAAqB,CAbG,QAAxBA,CAAAA,qBAAwB,CAASL,CAAT,CAAe,CAMvCH,CAAI,CAACK,IAAL,CAAU,CALI,CACVC,UAAU,CAAE,mCADF,CAEVH,IAAI,CAAEA,CAFI,CAKJ,CAAV,EAAqB,CAArB,EACKM,IADL,CACUR,CAAY,CAACS,SADvB,CAEH,CAEM,CAKV,CA9EK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to retrieve enrolled coruses from the server.\n *\n * @package    block_myoverview\n * @copyright  2018 Bas Brands <base@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax', 'core/notification'], function(Ajax, Notification) {\n\n    /**\n     * Retrieve a list of enrolled courses.\n     *\n     * Valid args are:\n     * string classification    future, inprogress, past\n     * int limit                number of records to retreive\n     * int Offset               offset for pagination\n     * int sort                 sort by lastaccess or name\n     *\n     * @method getEnrolledCoursesByTimeline\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of courses\n     */\n    var getEnrolledCoursesByTimeline = function(args) {\n\n        var request = {\n            methodname: 'core_course_get_enrolled_courses_by_timeline_classification',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        return promise;\n    };\n\n    /**\n     * Set the favourite state on a list of courses.\n     *\n     * Valid args are:\n     * Array courses  list of course id numbers.\n     *\n     * @param {Object} args Arguments send to the webservice.\n     * @return {Promise} Resolve with warnings.\n     */\n    var setFavouriteCourses = function(args) {\n\n        var request = {\n            methodname: 'core_course_set_favourite_courses',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        return promise;\n    };\n\n    /**\n     * Update the user preferences.\n     *\n     * @param {Object} args Arguments send to the webservice.\n     *\n     * Sample args:\n     * {\n     *     preferences: [\n     *         {\n     *             type: 'block_example_user_sort_preference'\n     *             value: 'title'\n     *         }\n     *     ]\n     * }\n     */\n    var updateUserPreferences = function(args) {\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: args\n        };\n\n        Ajax.call([request])[0]\n            .fail(Notification.exception);\n    };\n\n    return {\n        getEnrolledCoursesByTimeline: getEnrolledCoursesByTimeline,\n        setFavouriteCourses: setFavouriteCourses,\n        updateUserPreferences: updateUserPreferences\n    };\n});\n"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../src/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to retrieve enrolled coruses from the server.\n *\n * @package    block_myoverview\n * @copyright  2018 Bas Brands <base@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax', 'core/notification'], function(Ajax, Notification) {\n\n    /**\n     * Retrieve a list of enrolled courses.\n     *\n     * Valid args are:\n     * string classification    future, inprogress, past\n     * int limit                number of records to retreive\n     * int Offset               offset for pagination\n     * int sort                 sort by lastaccess or name\n     *\n     * @method getEnrolledCoursesByTimeline\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of courses\n     */\n    var getEnrolledCoursesByTimeline = function(args) {\n\n        var request = {\n            methodname: 'core_course_get_enrolled_courses_by_timeline_classification',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        return promise;\n    };\n\n    /**\n     * Set the favourite state on a list of courses.\n     *\n     * Valid args are:\n     * Array courses  list of course id numbers.\n     *\n     * @param {Object} args Arguments send to the webservice.\n     * @return {Promise} Resolve with warnings.\n     */\n    var setFavouriteCourses = function(args) {\n\n        var request = {\n            methodname: 'core_course_set_favourite_courses',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        return promise;\n    };\n\n    /**\n     * Update the user preferences.\n     *\n     * @param {Object} args Arguments send to the webservice.\n     *\n     * Sample args:\n     * {\n     *     preferences: [\n     *         {\n     *             type: 'block_example_user_sort_preference'\n     *             value: 'title'\n     *         }\n     *     ]\n     * }\n     */\n    var updateUserPreferences = function(args) {\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: args\n        };\n\n        Ajax.call([request])[0]\n            .fail(Notification.exception);\n    };\n\n    return {\n        getEnrolledCoursesByTimeline: getEnrolledCoursesByTimeline,\n        setFavouriteCourses: setFavouriteCourses,\n        updateUserPreferences: updateUserPreferences\n    };\n});\n"],"names":["define","Ajax","Notification","getEnrolledCoursesByTimeline","args","request","methodname","call","setFavouriteCourses","updateUserPreferences","fail","exception"],"mappings":";;;;;;;AAsBAA,qCAAO,CAAC,YAAa,sBAAsB,SAASC,KAAMC,oBAyE/C,CACHC,6BA3D+B,SAASC,UAEpCC,QAAU,CACVC,WAAY,8DACZF,KAAMA,aAGIH,KAAKM,KAAK,CAACF,UAAU,IAqDnCG,oBAvCsB,SAASJ,UAE3BC,QAAU,CACVC,WAAY,oCACZF,KAAMA,aAGIH,KAAKM,KAAK,CAACF,UAAU,IAiCnCI,sBAbwB,SAASL,UAC7BC,QAAU,CACVC,WAAY,oCACZF,KAAMA,MAGVH,KAAKM,KAAK,CAACF,UAAU,GAChBK,KAAKR,aAAaS"}
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/selectors.min.js b/blocks/myoverview/amd/build/selectors.min.js
index ef937b71f9d..7157da155b7 100644
--- a/blocks/myoverview/amd/build/selectors.min.js
+++ b/blocks/myoverview/amd/build/selectors.min.js
@@ -1,2 +1,10 @@
-define ("block_myoverview/selectors",[],function(){return{courseView:{region:"[data-region=\"courses-view\"]",regionContent:"[data-region=\"course-view-content\"]"}}});
-//# sourceMappingURL=selectors.min.js.map
+/**
+ * Javascript to initialise the selectors for the myoverview block.
+ *
+ * @package    block_myoverview
+ * @copyright  2018 Peter Dias <peter@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_myoverview/selectors",[],(function(){return{courseView:{region:'[data-region="courses-view"]',regionContent:'[data-region="course-view-content"]'}}}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/selectors.min.js.map b/blocks/myoverview/amd/build/selectors.min.js.map
index d02ccf8698d..c2b0de58c22 100644
--- a/blocks/myoverview/amd/build/selectors.min.js.map
+++ b/blocks/myoverview/amd/build/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/selectors.js"],"names":["define","courseView","region","regionContent"],"mappings":"AAuBAA,OAAM,8BAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,UAAU,CAAE,CACRC,MAAM,CAAE,gCADA,CAERC,aAAa,CAAE,uCAFP,CADT,CAMV,CAPK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the selectors for the myoverview block.\n *\n * @package    block_myoverview\n * @copyright  2018 Peter Dias <peter@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine([], function() {\n    return {\n        courseView: {\n            region: '[data-region=\"courses-view\"]',\n            regionContent: '[data-region=\"course-view-content\"]'\n        }\n    };\n});\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../src/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the selectors for the myoverview block.\n *\n * @package    block_myoverview\n * @copyright  2018 Peter Dias <peter@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine([], function() {\n    return {\n        courseView: {\n            region: '[data-region=\"courses-view\"]',\n            regionContent: '[data-region=\"course-view-content\"]'\n        }\n    };\n});\n"],"names":["define","courseView","region","regionContent"],"mappings":";;;;;;;AAuBAA,oCAAO,IAAI,iBACA,CACHC,WAAY,CACRC,OAAQ,+BACRC,cAAe"}
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/view.min.js b/blocks/myoverview/amd/build/view.min.js
index a1407bf552d..b77b2efafd7 100644
--- a/blocks/myoverview/amd/build/view.min.js
+++ b/blocks/myoverview/amd/build/view.min.js
@@ -1,2 +1,10 @@
-define ("block_myoverview/view",["jquery","block_myoverview/repository","core/paged_content_factory","core/pubsub","core/custom_interaction_events","core/notification","core/templates","core_course/events","block_myoverview/selectors","core/paged_content_events"],function(a,b,c,d,e,f,g,h,i,j){var k={COURSE_REGION:"[data-region=\"course-view-content\"]",ACTION_HIDE_COURSE:"[data-action=\"hide-course\"]",ACTION_SHOW_COURSE:"[data-action=\"show-course\"]",ACTION_ADD_FAVOURITE:"[data-action=\"add-favourite\"]",ACTION_REMOVE_FAVOURITE:"[data-action=\"remove-favourite\"]",FAVOURITE_ICON:"[data-region=\"favourite-icon\"]",ICON_IS_FAVOURITE:"[data-region=\"is-favourite\"]",ICON_NOT_FAVOURITE:"[data-region=\"not-favourite\"]",PAGED_CONTENT_CONTAINER:"[data-region=\"page-container\"]"},l={COURSES_CARDS:"block_myoverview/view-cards",COURSES_LIST:"block_myoverview/view-list",COURSES_SUMMARY:"block_myoverview/view-summary",NOCOURSES:"core_course/no-courses"},m={GROUPING_ALLINCLUDINGHIDDEN:"allincludinghidden",GROUPING_ALL:"all",GROUPING_INPROGRESS:"inprogress",GROUPING_FUTURE:"future",GROUPING_PAST:"past",GROUPING_FAVOURITES:"favourites",GROUPING_HIDDEN:"hidden"},n=[12,24,48,96,0],o=[],p=0,q=0,r=0,s=null,t=function(a){var b=a.find(i.courseView.region);return{display:b.attr("data-display"),grouping:b.attr("data-grouping"),sort:b.attr("data-sort"),displaycategories:b.attr("data-displaycategories"),customfieldname:b.attr("data-customfieldname"),customfieldvalue:b.attr("data-customfieldvalue")}},u={ignoreControlWhileLoading:!0,controlPlacementBottom:!0,persistentLimitKey:"block_myoverview_user_paging_preference"},v=function(a,c){return b.getEnrolledCoursesByTimeline({offset:p,limit:c,classification:a.grouping,sort:a.sort,customfieldname:a.customfieldname,customfieldvalue:a.customfieldvalue})},w=function(a,b){return a.find(k.FAVOURITE_ICON+"[data-course-id=\""+b+"\"]")},x=function(a,b){return a.find("[data-region=\"paged-content-page\"][data-page=\""+b+"\"]")},y=function(a){return a.attr("data-course-id")},z=function(a,b){var c=w(a,b),d=c.find(k.ICON_IS_FAVOURITE);d.addClass("hidden");d.attr("aria-hidden",!0);var e=c.find(k.ICON_NOT_FAVOURITE);e.removeClass("hidden");e.attr("aria-hidden",!1)},A=function(a,b){var c=w(a,b),d=c.find(k.ICON_IS_FAVOURITE);d.removeClass("hidden");d.attr("aria-hidden",!1);var e=c.find(k.ICON_NOT_FAVOURITE);e.addClass("hidden");e.attr("aria-hidden",!0)},B=function(a,b){return a.find("[data-action=\"add-favourite\"][data-course-id=\""+b+"\"]")},C=function(a,b){return a.find("[data-action=\"remove-favourite\"][data-course-id=\""+b+"\"]")},D=function(a,b){var c=C(a,b),e=B(a,b);L(b,!0).then(function(g){if(g){d.publish(h.favourited,b);c.removeClass("hidden");e.addClass("hidden");A(a,b)}else{f.alert("Starring course failed","Could not change favourite state")}}).catch(f.exception)},E=function(a,b){var c=C(a,b),e=B(a,b);L(b,!1).then(function(g){if(g){d.publish(h.unfavorited,b);c.addClass("hidden");e.removeClass("hidden");z(a,b)}else{f.alert("Starring course failed","Could not change favourite state")}}).catch(f.exception)},F=function(a,b){return a.find("[data-action=\"hide-course\"][data-course-id=\""+b+"\"]")},G=function(a,b){return a.find("[data-action=\"show-course\"][data-course-id=\""+b+"\"]")},H=function(a,b){var c=F(a,b),d=G(a,b),e=t(a);J(b,!0);if(e.grouping!=m.GROUPING_ALLINCLUDINGHIDDEN){K(a,b)}c.addClass("hidden");d.removeClass("hidden")},I=function(a,b){var c=F(a,b),d=G(a,b),e=t(a);J(b,null);if(e.grouping!=m.GROUPING_ALLINCLUDINGHIDDEN){K(a,b)}c.removeClass("hidden");d.addClass("hidden")},J=function(a,c){if(!1===c){c=null}return b.updateUserPreferences({preferences:[{type:"block_myoverview_hidden_course_"+a,value:c}]})},K=function(b,d){var e=b.find("[data-region=\"paging-bar\"]"),h=parseInt(e.attr("data-active-page-number")),i=o[h],j=i.courses.reduce(function(a,b){if(d!=b.id){a.push(b)}return a},[]);if(o[h+1]!=void 0){var k=o[h+1].courses.slice(0,1);o.forEach(function(b,c){if(c>h){var d=[];if(o[c+1]!=void 0){d=o[c+1].courses.slice(0,1)}o[c].courses=a.merge(o[c].courses.slice(1),d)}});j=a.merge(j,k)}if(q==h+1&&0==o[h+1].courses.length){var l=b.find("[data-region=\"paged-content-container\"]");c.resetLastPageNumber(a(l).attr("id"),h)}o[h].courses=j;p--;var m=x(b,h);M(b,o[h]).then(function(a,b){return g.replaceNodeContents(m,a,b)}).catch(f.exception);o.forEach(function(a,c){if(c>h){var d=x(b,c);d.remove()}})},L=function(a,c){return b.setFavouriteCourses({courses:[{id:a,favourite:c}]}).then(function(b){if(0==b.warnings.length){o.forEach(function(b){b.courses.forEach(function(d,e){if(d.id==a){b.courses[e].isfavourite=c}})});return!0}else{return!1}}).catch(f.exception)},M=function(a,b){var c=t(a),d="";if("card"==c.display){d=l.COURSES_CARDS}else if("list"==c.display){d=l.COURSES_LIST}else{d=l.COURSES_SUMMARY}b.courses=b.courses.map(function(a){a.showcoursecategory="on"==c.displaycategories?!0:!1;return a});if(b.courses.length){return g.render(d,{courses:b.courses})}else{var e=a.find(i.courseView.region).attr("data-nocoursesimg");return g.render(l.NOCOURSES,{nocoursesimg:e})}},N=function(a){this.find(i.courseView.region).attr("data-paging",a)},O=function(a,b){var c=b+j.SET_ITEMS_PER_PAGE_LIMIT;d.subscribe(c,N.bind(a))},P=function(b){s="block_myoverview_"+b.attr("id")+"_"+Math.random();var d=parseInt(b.find(i.courseView.region).attr("data-paging"),10),e=n.map(function(a){var b=!1;if(a==d){b=!0}return{value:a,active:b}}),h=parseInt(b.find(i.courseView.region).attr("data-totalcoursecount"),10);e=e.filter(function(a){return a.value<h||0===a.value});var j=t(b),k=a.extend({},u);k.eventNamespace=s;var l=c.createWithLimit(e,function(c,d){var e=[];c.forEach(function(c){var g=c.pageNumber,h=0<c.limit?c.limit:0;if(r!=h){o=[];p=0;q=0}if(q==g){d.allItemsLoaded(q);e.push(M(b,o[g]));return}r=h;if(o[g+1]==void 0){if(o[g]==void 0){h*=2}}var i=v(j,h).then(function(e){var f=e.courses,h=0,i=[];if(o[g]!=void 0){i=o[g].courses;var j=i.length;if(j<c.limit){h=c.limit-j;i=a.merge(o[g].courses,f.slice(0,h))}}else{h=c.limit||!1;i=0<c.limit?f.slice(0,c.limit):f}o[g]={courses:i};var k=!1!==h?f.slice(h,f.length):[];if(k.length){o[g+1]={courses:k}}if(o[g].courses.length<c.limit||!k.length){q=g;d.allItemsLoaded(g)}else if(o[g+1]!=void 0&&o[g+1].courses.length<c.limit){q=g+1}p=e.nextoffset;return M(b,o[g])}).catch(f.exception);e.push(i)});return e},k);l.then(function(a,c){O(b,s);return g.replaceNodeContents(b.find(i.courseView.region),a,c)}).catch(f.exception)},Q=function(b){e.define(b,[e.events.activate]);b.on(e.events.activate,k.ACTION_ADD_FAVOURITE,function(c,d){var e=a(c.target).closest(k.ACTION_ADD_FAVOURITE),f=y(e);D(b,f);d.originalEvent.preventDefault()});b.on(e.events.activate,k.ACTION_REMOVE_FAVOURITE,function(c,d){var e=a(c.target).closest(k.ACTION_REMOVE_FAVOURITE),f=y(e);E(b,f);d.originalEvent.preventDefault()});b.on(e.events.activate,k.FAVOURITE_ICON,function(a,b){b.originalEvent.preventDefault()});b.on(e.events.activate,k.ACTION_HIDE_COURSE,function(c,d){var e=a(c.target).closest(k.ACTION_HIDE_COURSE),f=y(e);H(b,f);d.originalEvent.preventDefault()});b.on(e.events.activate,k.ACTION_SHOW_COURSE,function(c,d){var e=a(c.target).closest(k.ACTION_SHOW_COURSE),f=y(e);I(b,f);d.originalEvent.preventDefault()})},R=function(b){b=a(b);o=[];q=0;p=0;P(b);if(!b.attr("data-init")){Q(b);b.attr("data-init",!0)}},S=function(a){if(0<o.length){o.forEach(function(b,c){var d=x(a,c);M(a,b).then(function(a,b){return g.replaceNodeContents(d,a,b)}).catch(f.exception)})}else{R(a)}};return{init:R,reset:S}});
-//# sourceMappingURL=view.min.js.map
+/**
+ * Manage the courses view for the overview block.
+ *
+ * @package    block_myoverview
+ * @copyright  2018 Bas Brands <bas@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_myoverview/view",["jquery","block_myoverview/repository","core/paged_content_factory","core/pubsub","core/custom_interaction_events","core/notification","core/templates","core_course/events","block_myoverview/selectors","core/paged_content_events"],(function($,Repository,PagedContentFactory,PubSub,CustomEvents,Notification,Templates,CourseEvents,Selectors,PagedContentEvents){var SELECTORS_ACTION_HIDE_COURSE='[data-action="hide-course"]',SELECTORS_ACTION_SHOW_COURSE='[data-action="show-course"]',SELECTORS_ACTION_ADD_FAVOURITE='[data-action="add-favourite"]',SELECTORS_ACTION_REMOVE_FAVOURITE='[data-action="remove-favourite"]',SELECTORS_FAVOURITE_ICON='[data-region="favourite-icon"]',SELECTORS_ICON_IS_FAVOURITE='[data-region="is-favourite"]',SELECTORS_ICON_NOT_FAVOURITE='[data-region="not-favourite"]',TEMPLATES_COURSES_CARDS="block_myoverview/view-cards",TEMPLATES_COURSES_LIST="block_myoverview/view-list",TEMPLATES_COURSES_SUMMARY="block_myoverview/view-summary",TEMPLATES_NOCOURSES="core_course/no-courses",GROUPINGS_GROUPING_ALLINCLUDINGHIDDEN="allincludinghidden",NUMCOURSES_PERPAGE=[12,24,48,96,0],loadedPages=[],courseOffset=0,lastPage=0,lastLimit=0,namespace=null,getFilterValues=function(root){var courseRegion=root.find(Selectors.courseView.region);return{display:courseRegion.attr("data-display"),grouping:courseRegion.attr("data-grouping"),sort:courseRegion.attr("data-sort"),displaycategories:courseRegion.attr("data-displaycategories"),customfieldname:courseRegion.attr("data-customfieldname"),customfieldvalue:courseRegion.attr("data-customfieldvalue")}},DEFAULT_PAGED_CONTENT_CONFIG={ignoreControlWhileLoading:!0,controlPlacementBottom:!0,persistentLimitKey:"block_myoverview_user_paging_preference"},getFavouriteIconContainer=function(root,courseId){return root.find(SELECTORS_FAVOURITE_ICON+'[data-course-id="'+courseId+'"]')},getPagedContentContainer=function(root,index){return root.find('[data-region="paged-content-page"][data-page="'+index+'"]')},getCourseId=function(root){return root.attr("data-course-id")},getAddFavouriteMenuItem=function(root,courseId){return root.find('[data-action="add-favourite"][data-course-id="'+courseId+'"]')},getRemoveFavouriteMenuItem=function(root,courseId){return root.find('[data-action="remove-favourite"][data-course-id="'+courseId+'"]')},addToFavourites=function(root,courseId){var removeAction=getRemoveFavouriteMenuItem(root,courseId),addAction=getAddFavouriteMenuItem(root,courseId);setCourseFavouriteState(courseId,!0).then((function(success){success?(PubSub.publish(CourseEvents.favourited,courseId),removeAction.removeClass("hidden"),addAction.addClass("hidden"),function(root,courseId){var iconContainer=getFavouriteIconContainer(root,courseId),isFavouriteIcon=iconContainer.find(SELECTORS_ICON_IS_FAVOURITE);isFavouriteIcon.removeClass("hidden"),isFavouriteIcon.attr("aria-hidden",!1);var notFavourteIcon=iconContainer.find(SELECTORS_ICON_NOT_FAVOURITE);notFavourteIcon.addClass("hidden"),notFavourteIcon.attr("aria-hidden",!0)}(root,courseId)):Notification.alert("Starring course failed","Could not change favourite state")})).catch(Notification.exception)},removeFromFavourites=function(root,courseId){var removeAction=getRemoveFavouriteMenuItem(root,courseId),addAction=getAddFavouriteMenuItem(root,courseId);setCourseFavouriteState(courseId,!1).then((function(success){success?(PubSub.publish(CourseEvents.unfavorited,courseId),removeAction.addClass("hidden"),addAction.removeClass("hidden"),function(root,courseId){var iconContainer=getFavouriteIconContainer(root,courseId),isFavouriteIcon=iconContainer.find(SELECTORS_ICON_IS_FAVOURITE);isFavouriteIcon.addClass("hidden"),isFavouriteIcon.attr("aria-hidden",!0);var notFavourteIcon=iconContainer.find(SELECTORS_ICON_NOT_FAVOURITE);notFavourteIcon.removeClass("hidden"),notFavourteIcon.attr("aria-hidden",!1)}(root,courseId)):Notification.alert("Starring course failed","Could not change favourite state")})).catch(Notification.exception)},getHideCourseMenuItem=function(root,courseId){return root.find('[data-action="hide-course"][data-course-id="'+courseId+'"]')},getShowCourseMenuItem=function(root,courseId){return root.find('[data-action="show-course"][data-course-id="'+courseId+'"]')},setCourseHiddenState=function(courseId,status){return!1===status&&(status=null),Repository.updateUserPreferences({preferences:[{type:"block_myoverview_hidden_course_"+courseId,value:status}]})},hideElement=function(root,id){var pagingBar=root.find('[data-region="paging-bar"]'),jumpto=parseInt(pagingBar.attr("data-active-page-number")),reducedCourse=loadedPages[jumpto].courses.reduce((function(accumulator,current){return id!=current.id&&accumulator.push(current),accumulator}),[]);if(null!=loadedPages[jumpto+1]){var newElement=loadedPages[jumpto+1].courses.slice(0,1);loadedPages.forEach((function(courseList,index){if(index>jumpto){var popElement=[];null!=loadedPages[index+1]&&(popElement=loadedPages[index+1].courses.slice(0,1)),loadedPages[index].courses=$.merge(loadedPages[index].courses.slice(1),popElement)}})),reducedCourse=$.merge(reducedCourse,newElement)}if(lastPage==jumpto+1&&0==loadedPages[jumpto+1].courses.length){var pagedContentContainer=root.find('[data-region="paged-content-container"]');PagedContentFactory.resetLastPageNumber($(pagedContentContainer).attr("id"),jumpto)}loadedPages[jumpto].courses=reducedCourse,courseOffset--;var pagedContentPage=getPagedContentContainer(root,jumpto);renderCourses(root,loadedPages[jumpto]).then((function(html,js){return Templates.replaceNodeContents(pagedContentPage,html,js)})).catch(Notification.exception),loadedPages.forEach((function(courseList,index){index>jumpto&&getPagedContentContainer(root,index).remove()}))},setCourseFavouriteState=function(courseId,status){return Repository.setFavouriteCourses({courses:[{id:courseId,favourite:status}]}).then((function(result){return 0==result.warnings.length&&(loadedPages.forEach((function(courseList){courseList.courses.forEach((function(course,index){course.id==courseId&&(courseList.courses[index].isfavourite=status)}))})),!0)})).catch(Notification.exception)},renderCourses=function(root,coursesData){var filters=getFilterValues(root),currentTemplate="";if(currentTemplate="card"==filters.display?TEMPLATES_COURSES_CARDS:"list"==filters.display?TEMPLATES_COURSES_LIST:TEMPLATES_COURSES_SUMMARY,coursesData.courses=coursesData.courses.map((function(course){return course.showcoursecategory="on"==filters.displaycategories,course})),coursesData.courses.length)return Templates.render(currentTemplate,{courses:coursesData.courses});var nocoursesimg=root.find(Selectors.courseView.region).attr("data-nocoursesimg");return Templates.render(TEMPLATES_NOCOURSES,{nocoursesimg:nocoursesimg})},setLimit=function(limit){this.find(Selectors.courseView.region).attr("data-paging",limit)},registerPagedEventHandlers=function(root,namespace){var event=namespace+PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT;PubSub.subscribe(event,setLimit.bind(root))},initializePagedContent=function(root){namespace="block_myoverview_"+root.attr("id")+"_"+Math.random();var pagingLimit=parseInt(root.find(Selectors.courseView.region).attr("data-paging"),10),itemsPerPage=NUMCOURSES_PERPAGE.map((function(value){var active=!1;return value==pagingLimit&&(active=!0),{value:value,active:active}})),totalCourseCount=parseInt(root.find(Selectors.courseView.region).attr("data-totalcoursecount"),10);itemsPerPage=itemsPerPage.filter((function(pagingOption){return pagingOption.value<totalCourseCount||0===pagingOption.value}));var filters=getFilterValues(root),config=$.extend({},DEFAULT_PAGED_CONTENT_CONFIG);config.eventNamespace=namespace;var pagedContentPromise=PagedContentFactory.createWithLimit(itemsPerPage,(function(pagesData,actions){var promises=[];return pagesData.forEach((function(pageData){var currentPage=pageData.pageNumber,limit=pageData.limit>0?pageData.limit:0;if(lastLimit!=limit&&(loadedPages=[],courseOffset=0,lastPage=0),lastPage==currentPage)return actions.allItemsLoaded(lastPage),void promises.push(renderCourses(root,loadedPages[currentPage]));lastLimit=limit,null==loadedPages[currentPage+1]&&null==loadedPages[currentPage]&&(limit*=2);var pagePromise=function(filters,limit){return Repository.getEnrolledCoursesByTimeline({offset:courseOffset,limit:limit,classification:filters.grouping,sort:filters.sort,customfieldname:filters.customfieldname,customfieldvalue:filters.customfieldvalue})}(filters,limit).then((function(coursesData){var courses=coursesData.courses,nextPageStart=0,pageCourses=[];if(null!=loadedPages[currentPage]){var currentPageLength=(pageCourses=loadedPages[currentPage].courses).length;currentPageLength<pageData.limit&&(nextPageStart=pageData.limit-currentPageLength,pageCourses=$.merge(loadedPages[currentPage].courses,courses.slice(0,nextPageStart)))}else nextPageStart=pageData.limit||!1,pageCourses=pageData.limit>0?courses.slice(0,pageData.limit):courses;loadedPages[currentPage]={courses:pageCourses};var remainingCourses=!1!==nextPageStart?courses.slice(nextPageStart,courses.length):[];return remainingCourses.length&&(loadedPages[currentPage+1]={courses:remainingCourses}),loadedPages[currentPage].courses.length<pageData.limit||!remainingCourses.length?(lastPage=currentPage,actions.allItemsLoaded(currentPage)):null!=loadedPages[currentPage+1]&&loadedPages[currentPage+1].courses.length<pageData.limit&&(lastPage=currentPage+1),courseOffset=coursesData.nextoffset,renderCourses(root,loadedPages[currentPage])})).catch(Notification.exception);promises.push(pagePromise)})),promises}),config);pagedContentPromise.then((function(html,js){return registerPagedEventHandlers(root,namespace),Templates.replaceNodeContents(root.find(Selectors.courseView.region),html,js)})).catch(Notification.exception)},registerEventListeners=function(root){CustomEvents.define(root,[CustomEvents.events.activate]),root.on(CustomEvents.events.activate,SELECTORS_ACTION_ADD_FAVOURITE,(function(e,data){var favourite=$(e.target).closest(SELECTORS_ACTION_ADD_FAVOURITE),courseId=getCourseId(favourite);addToFavourites(root,courseId),data.originalEvent.preventDefault()})),root.on(CustomEvents.events.activate,SELECTORS_ACTION_REMOVE_FAVOURITE,(function(e,data){var favourite=$(e.target).closest(SELECTORS_ACTION_REMOVE_FAVOURITE),courseId=getCourseId(favourite);removeFromFavourites(root,courseId),data.originalEvent.preventDefault()})),root.on(CustomEvents.events.activate,SELECTORS_FAVOURITE_ICON,(function(e,data){data.originalEvent.preventDefault()})),root.on(CustomEvents.events.activate,SELECTORS_ACTION_HIDE_COURSE,(function(e,data){var target=$(e.target).closest(SELECTORS_ACTION_HIDE_COURSE),courseId=getCourseId(target);!function(root,courseId){var hideAction=getHideCourseMenuItem(root,courseId),showAction=getShowCourseMenuItem(root,courseId),filters=getFilterValues(root);setCourseHiddenState(courseId,!0),filters.grouping!=GROUPINGS_GROUPING_ALLINCLUDINGHIDDEN&&hideElement(root,courseId),hideAction.addClass("hidden"),showAction.removeClass("hidden")}(root,courseId),data.originalEvent.preventDefault()})),root.on(CustomEvents.events.activate,SELECTORS_ACTION_SHOW_COURSE,(function(e,data){var target=$(e.target).closest(SELECTORS_ACTION_SHOW_COURSE),courseId=getCourseId(target);!function(root,courseId){var hideAction=getHideCourseMenuItem(root,courseId),showAction=getShowCourseMenuItem(root,courseId),filters=getFilterValues(root);setCourseHiddenState(courseId,null),filters.grouping!=GROUPINGS_GROUPING_ALLINCLUDINGHIDDEN&&hideElement(root,courseId),hideAction.removeClass("hidden"),showAction.addClass("hidden")}(root,courseId),data.originalEvent.preventDefault()}))},init=function(root){root=$(root),loadedPages=[],lastPage=0,courseOffset=0,initializePagedContent(root),root.attr("data-init")||(registerEventListeners(root),root.attr("data-init",!0))};return{init:init,reset:function(root){loadedPages.length>0?loadedPages.forEach((function(courseList,index){var pagedContentPage=getPagedContentContainer(root,index);renderCourses(root,courseList).then((function(html,js){return Templates.replaceNodeContents(pagedContentPage,html,js)})).catch(Notification.exception)})):init(root)}}}));
+
+//# sourceMappingURL=view.min.js.map
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/view.min.js.map b/blocks/myoverview/amd/build/view.min.js.map
index 1283467419c..c9a5e4f957b 100644
--- a/blocks/myoverview/amd/build/view.min.js.map
+++ b/blocks/myoverview/amd/build/view.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the courses view for the overview block.\n *\n * @package    block_myoverview\n * @copyright  2018 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'block_myoverview/repository',\n    'core/paged_content_factory',\n    'core/pubsub',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/templates',\n    'core_course/events',\n    'block_myoverview/selectors',\n    'core/paged_content_events',\n],\nfunction(\n    $,\n    Repository,\n    PagedContentFactory,\n    PubSub,\n    CustomEvents,\n    Notification,\n    Templates,\n    CourseEvents,\n    Selectors,\n    PagedContentEvents\n) {\n\n    var SELECTORS = {\n        COURSE_REGION: '[data-region=\"course-view-content\"]',\n        ACTION_HIDE_COURSE: '[data-action=\"hide-course\"]',\n        ACTION_SHOW_COURSE: '[data-action=\"show-course\"]',\n        ACTION_ADD_FAVOURITE: '[data-action=\"add-favourite\"]',\n        ACTION_REMOVE_FAVOURITE: '[data-action=\"remove-favourite\"]',\n        FAVOURITE_ICON: '[data-region=\"favourite-icon\"]',\n        ICON_IS_FAVOURITE: '[data-region=\"is-favourite\"]',\n        ICON_NOT_FAVOURITE: '[data-region=\"not-favourite\"]',\n        PAGED_CONTENT_CONTAINER: '[data-region=\"page-container\"]'\n\n    };\n\n    var TEMPLATES = {\n        COURSES_CARDS: 'block_myoverview/view-cards',\n        COURSES_LIST: 'block_myoverview/view-list',\n        COURSES_SUMMARY: 'block_myoverview/view-summary',\n        NOCOURSES: 'core_course/no-courses'\n    };\n\n    var GROUPINGS = {\n        GROUPING_ALLINCLUDINGHIDDEN: 'allincludinghidden',\n        GROUPING_ALL: 'all',\n        GROUPING_INPROGRESS: 'inprogress',\n        GROUPING_FUTURE: 'future',\n        GROUPING_PAST: 'past',\n        GROUPING_FAVOURITES: 'favourites',\n        GROUPING_HIDDEN: 'hidden'\n    };\n\n    var NUMCOURSES_PERPAGE = [12, 24, 48, 96, 0];\n\n    var loadedPages = [];\n\n    var courseOffset = 0;\n\n    var lastPage = 0;\n\n    var lastLimit = 0;\n\n    var namespace = null;\n\n    /**\n     * Get filter values from DOM.\n     *\n     * @param {object} root The root element for the courses view.\n     * @return {filters} Set filters.\n     */\n    var getFilterValues = function(root) {\n        var courseRegion = root.find(Selectors.courseView.region);\n        return {\n            display: courseRegion.attr('data-display'),\n            grouping: courseRegion.attr('data-grouping'),\n            sort: courseRegion.attr('data-sort'),\n            displaycategories: courseRegion.attr('data-displaycategories'),\n            customfieldname: courseRegion.attr('data-customfieldname'),\n            customfieldvalue: courseRegion.attr('data-customfieldvalue'),\n        };\n    };\n\n    // We want the paged content controls below the paged content area.\n    // and the controls should be ignored while data is loading.\n    var DEFAULT_PAGED_CONTENT_CONFIG = {\n        ignoreControlWhileLoading: true,\n        controlPlacementBottom: true,\n        persistentLimitKey: 'block_myoverview_user_paging_preference'\n    };\n\n    /**\n     * Get enrolled courses from backend.\n     *\n     * @param {object} filters The filters for this view.\n     * @param {int} limit The number of courses to show.\n     * @return {promise} Resolved with an array of courses.\n     */\n    var getMyCourses = function(filters, limit) {\n\n        return Repository.getEnrolledCoursesByTimeline({\n            offset: courseOffset,\n            limit: limit,\n            classification: filters.grouping,\n            sort: filters.sort,\n            customfieldname: filters.customfieldname,\n            customfieldvalue: filters.customfieldvalue\n        });\n    };\n\n    /**\n     * Get the container element for the favourite icon.\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     * @return {Object} The favourite icon container\n     */\n    var getFavouriteIconContainer = function(root, courseId) {\n        return root.find(SELECTORS.FAVOURITE_ICON + '[data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Get the paged content container element.\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} index Rendered page index.\n     * @return {Object} The rendered paged container.\n     */\n    var getPagedContentContainer = function(root, index) {\n        return root.find('[data-region=\"paged-content-page\"][data-page=\"' + index + '\"]');\n    };\n\n    /**\n     * Get the course id from a favourite element.\n     *\n     * @param {Object} root The favourite icon container element.\n     * @return {Number} Course id.\n     */\n    var getCourseId = function(root) {\n        return root.attr('data-course-id');\n    };\n\n    /**\n     * Hide the favourite icon.\n     *\n     * @param {Object} root The favourite icon container element.\n     * @param  {Number} courseId Course id number.\n     */\n    var hideFavouriteIcon = function(root, courseId) {\n        var iconContainer = getFavouriteIconContainer(root, courseId);\n        var isFavouriteIcon = iconContainer.find(SELECTORS.ICON_IS_FAVOURITE);\n        isFavouriteIcon.addClass('hidden');\n        isFavouriteIcon.attr('aria-hidden', true);\n        var notFavourteIcon = iconContainer.find(SELECTORS.ICON_NOT_FAVOURITE);\n        notFavourteIcon.removeClass('hidden');\n        notFavourteIcon.attr('aria-hidden', false);\n    };\n\n    /**\n     * Show the favourite icon.\n     *\n     * @param  {Object} root The course overview container.\n     * @param  {Number} courseId Course id number.\n     */\n    var showFavouriteIcon = function(root, courseId) {\n        var iconContainer = getFavouriteIconContainer(root, courseId);\n        var isFavouriteIcon = iconContainer.find(SELECTORS.ICON_IS_FAVOURITE);\n        isFavouriteIcon.removeClass('hidden');\n        isFavouriteIcon.attr('aria-hidden', false);\n        var notFavourteIcon = iconContainer.find(SELECTORS.ICON_NOT_FAVOURITE);\n        notFavourteIcon.addClass('hidden');\n        notFavourteIcon.attr('aria-hidden', true);\n    };\n\n    /**\n     * Get the action menu item\n     *\n     * @param {Object} root  root The course overview container\n     * @param {Number} courseId Course id.\n     * @return {Object} The add to favourite menu item.\n     */\n    var getAddFavouriteMenuItem = function(root, courseId) {\n        return root.find('[data-action=\"add-favourite\"][data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Get the action menu item\n     *\n     * @param {Object} root  root The course overview container\n     * @param {Number} courseId Course id.\n     * @return {Object} The remove from favourites menu item.\n     */\n    var getRemoveFavouriteMenuItem = function(root, courseId) {\n        return root.find('[data-action=\"remove-favourite\"][data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Add course to favourites\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     */\n    var addToFavourites = function(root, courseId) {\n        var removeAction = getRemoveFavouriteMenuItem(root, courseId);\n        var addAction = getAddFavouriteMenuItem(root, courseId);\n\n        setCourseFavouriteState(courseId, true).then(function(success) {\n            if (success) {\n                PubSub.publish(CourseEvents.favourited, courseId);\n                removeAction.removeClass('hidden');\n                addAction.addClass('hidden');\n                showFavouriteIcon(root, courseId);\n            } else {\n                Notification.alert('Starring course failed', 'Could not change favourite state');\n            }\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Remove course from favourites\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     */\n    var removeFromFavourites = function(root, courseId) {\n        var removeAction = getRemoveFavouriteMenuItem(root, courseId);\n        var addAction = getAddFavouriteMenuItem(root, courseId);\n\n        setCourseFavouriteState(courseId, false).then(function(success) {\n            if (success) {\n                PubSub.publish(CourseEvents.unfavorited, courseId);\n                removeAction.addClass('hidden');\n                addAction.removeClass('hidden');\n                hideFavouriteIcon(root, courseId);\n            } else {\n                Notification.alert('Starring course failed', 'Could not change favourite state');\n            }\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Get the action menu item\n     *\n     * @param {Object} root  root The course overview container\n     * @param {Number} courseId Course id.\n     * @return {Object} The hide course menu item.\n     */\n    var getHideCourseMenuItem = function(root, courseId) {\n        return root.find('[data-action=\"hide-course\"][data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Get the action menu item\n     *\n     * @param {Object} root  root The course overview container\n     * @param {Number} courseId Course id.\n     * @return {Object} The show course menu item.\n     */\n    var getShowCourseMenuItem = function(root, courseId) {\n        return root.find('[data-action=\"show-course\"][data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Hide course\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     */\n    var hideCourse = function(root, courseId) {\n        var hideAction = getHideCourseMenuItem(root, courseId);\n        var showAction = getShowCourseMenuItem(root, courseId);\n        var filters = getFilterValues(root);\n\n        setCourseHiddenState(courseId, true);\n\n        // Remove the course from this view as it is now hidden and thus not covered by this view anymore.\n        // Do only if we are not in \"All\" view mode where really all courses are shown.\n        if (filters.grouping != GROUPINGS.GROUPING_ALLINCLUDINGHIDDEN) {\n            hideElement(root, courseId);\n        }\n\n        hideAction.addClass('hidden');\n        showAction.removeClass('hidden');\n    };\n\n    /**\n     * Show course\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     */\n    var showCourse = function(root, courseId) {\n        var hideAction = getHideCourseMenuItem(root, courseId);\n        var showAction = getShowCourseMenuItem(root, courseId);\n        var filters = getFilterValues(root);\n\n        setCourseHiddenState(courseId, null);\n\n        // Remove the course from this view as it is now shown again and thus not covered by this view anymore.\n        // Do only if we are not in \"All\" view mode where really all courses are shown.\n        if (filters.grouping != GROUPINGS.GROUPING_ALLINCLUDINGHIDDEN) {\n            hideElement(root, courseId);\n        }\n\n        hideAction.removeClass('hidden');\n        showAction.addClass('hidden');\n    };\n\n    /**\n     * Set the courses hidden status and push to repository\n     *\n     * @param  {Number} courseId Course id to favourite.\n     * @param  {Bool} status new hidden status.\n     * @return {Promise} Repository promise.\n     */\n    var setCourseHiddenState = function(courseId, status) {\n\n        // If the given status is not hidden, the preference has to be deleted with a null value.\n        if (status === false) {\n            status = null;\n        }\n        return Repository.updateUserPreferences({\n            preferences: [\n                {\n                    type: 'block_myoverview_hidden_course_' + courseId,\n                    value: status\n                }\n            ]\n        });\n    };\n\n    /**\n     * Reset the loadedPages dataset to take into account the hidden element\n     *\n     * @param {Object} root The course overview container\n     * @param {Number} id The course id number\n     */\n    var hideElement = function(root, id) {\n        var pagingBar = root.find('[data-region=\"paging-bar\"]');\n        var jumpto = parseInt(pagingBar.attr('data-active-page-number'));\n\n        // Get a reduced dataset for the current page.\n        var courseList = loadedPages[jumpto];\n        var reducedCourse = courseList.courses.reduce(function(accumulator, current) {\n            if (id != current.id) {\n                accumulator.push(current);\n            }\n            return accumulator;\n        }, []);\n\n        // Get the next page's data if loaded and pop the first element from it\n        if (loadedPages[jumpto + 1] != undefined) {\n            var newElement = loadedPages[jumpto + 1].courses.slice(0, 1);\n\n            // Adjust the dataset for the reset of the pages that are loaded\n            loadedPages.forEach(function(courseList, index) {\n                if (index > jumpto) {\n                    var popElement = [];\n                    if (loadedPages[index + 1] != undefined) {\n                        popElement = loadedPages[index + 1].courses.slice(0, 1);\n                    }\n\n                    loadedPages[index].courses = $.merge(loadedPages[index].courses.slice(1), popElement);\n                }\n            });\n\n\n            reducedCourse = $.merge(reducedCourse, newElement);\n        }\n\n        // Check if the next page is the last page and if it still has data associated to it\n        if (lastPage == jumpto + 1 && loadedPages[jumpto + 1].courses.length == 0) {\n            var pagedContentContainer = root.find('[data-region=\"paged-content-container\"]');\n            PagedContentFactory.resetLastPageNumber($(pagedContentContainer).attr('id'), jumpto);\n        }\n\n        loadedPages[jumpto].courses = reducedCourse;\n\n        // Reduce the course offset\n        courseOffset--;\n\n        // Render the paged content for the current\n        var pagedContentPage = getPagedContentContainer(root, jumpto);\n        renderCourses(root, loadedPages[jumpto]).then(function(html, js) {\n            return Templates.replaceNodeContents(pagedContentPage, html, js);\n        }).catch(Notification.exception);\n\n        // Delete subsequent pages in order to trigger the callback\n        loadedPages.forEach(function(courseList, index) {\n            if (index > jumpto) {\n                var page = getPagedContentContainer(root, index);\n                page.remove();\n            }\n        });\n    };\n\n    /**\n     * Set the courses favourite status and push to repository\n     *\n     * @param  {Number} courseId Course id to favourite.\n     * @param  {Bool} status new favourite status.\n     * @return {Promise} Repository promise.\n     */\n    var setCourseFavouriteState = function(courseId, status) {\n\n        return Repository.setFavouriteCourses({\n            courses: [\n                    {\n                        'id': courseId,\n                        'favourite': status\n                    }\n                ]\n        }).then(function(result) {\n            if (result.warnings.length == 0) {\n                loadedPages.forEach(function(courseList) {\n                    courseList.courses.forEach(function(course, index) {\n                        if (course.id == courseId) {\n                            courseList.courses[index].isfavourite = status;\n                        }\n                    });\n                });\n                return true;\n            } else {\n                return false;\n            }\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Render the dashboard courses.\n     *\n     * @param {object} root The root element for the courses view.\n     * @param {array} coursesData containing array of returned courses.\n     * @return {promise} jQuery promise resolved after rendering is complete.\n     */\n    var renderCourses = function(root, coursesData) {\n\n        var filters = getFilterValues(root);\n\n        var currentTemplate = '';\n        if (filters.display == 'card') {\n            currentTemplate = TEMPLATES.COURSES_CARDS;\n        } else if (filters.display == 'list') {\n            currentTemplate = TEMPLATES.COURSES_LIST;\n        } else {\n            currentTemplate = TEMPLATES.COURSES_SUMMARY;\n        }\n\n        // Whether the course category should be displayed in the course item.\n        coursesData.courses = coursesData.courses.map(function(course) {\n            course.showcoursecategory = filters.displaycategories == 'on' ? true : false;\n            return course;\n        });\n\n        if (coursesData.courses.length) {\n            return Templates.render(currentTemplate, {\n                courses: coursesData.courses,\n            });\n        } else {\n            var nocoursesimg = root.find(Selectors.courseView.region).attr('data-nocoursesimg');\n            return Templates.render(TEMPLATES.NOCOURSES, {\n                nocoursesimg: nocoursesimg\n            });\n        }\n    };\n\n    /**\n     * Return the callback to be passed to the subscribe event\n     *\n     * @param {Number} limit The paged limit that is passed through the event\n     */\n    var setLimit = function(limit) {\n        this.find(Selectors.courseView.region).attr('data-paging', limit);\n    };\n\n    /**\n     * Intialise the paged list and cards views on page load.\n     * Returns an array of paged contents that we would like to handle here\n     *\n     * @param {object} root The root element for the courses view\n     * @param {string} namespace The namespace for all the events attached\n     */\n    var registerPagedEventHandlers = function(root, namespace) {\n        var event = namespace + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT;\n        PubSub.subscribe(event, setLimit.bind(root));\n    };\n\n    /**\n     * Intialise the courses list and cards views on page load.\n     *\n     * @param {object} root The root element for the courses view.\n     * @param {object} content The content element for the courses view.\n     */\n    var initializePagedContent = function(root) {\n        namespace = \"block_myoverview_\" + root.attr('id') + \"_\" + Math.random();\n\n        var pagingLimit = parseInt(root.find(Selectors.courseView.region).attr('data-paging'), 10);\n        var itemsPerPage = NUMCOURSES_PERPAGE.map(function(value) {\n            var active = false;\n            if (value == pagingLimit) {\n                active = true;\n            }\n\n            return {\n                value: value,\n                active: active\n            };\n        });\n\n        // Filter out all pagination options which are too large for the amount of courses user is enrolled in.\n        var totalCourseCount = parseInt(root.find(Selectors.courseView.region).attr('data-totalcoursecount'), 10);\n        itemsPerPage = itemsPerPage.filter(function(pagingOption) {\n            return pagingOption.value < totalCourseCount || pagingOption.value === 0;\n        });\n\n        var filters = getFilterValues(root);\n        var config = $.extend({}, DEFAULT_PAGED_CONTENT_CONFIG);\n        config.eventNamespace = namespace;\n\n        var pagedContentPromise = PagedContentFactory.createWithLimit(\n            itemsPerPage,\n            function(pagesData, actions) {\n                var promises = [];\n\n                pagesData.forEach(function(pageData) {\n                    var currentPage = pageData.pageNumber;\n                    var limit = (pageData.limit > 0) ? pageData.limit : 0;\n\n                    // Reset local variables if limits have changed\n                    if (lastLimit != limit) {\n                        loadedPages = [];\n                        courseOffset = 0;\n                        lastPage = 0;\n                    }\n\n                    if (lastPage == currentPage) {\n                        // If we are on the last page and have it's data then load it from cache\n                        actions.allItemsLoaded(lastPage);\n                        promises.push(renderCourses(root, loadedPages[currentPage]));\n                        return;\n                    }\n\n                    lastLimit = limit;\n\n                    // Get 2 pages worth of data as we will need it for the hidden functionality.\n                    if (loadedPages[currentPage + 1] == undefined) {\n                        if (loadedPages[currentPage] == undefined) {\n                            limit *= 2;\n                        }\n                    }\n\n                    var pagePromise = getMyCourses(\n                        filters,\n                        limit\n                    ).then(function(coursesData) {\n                        var courses = coursesData.courses;\n                        var nextPageStart = 0;\n                        var pageCourses = [];\n\n                        // If current page's data is loaded make sure we max it to page limit\n                        if (loadedPages[currentPage] != undefined) {\n                            pageCourses = loadedPages[currentPage].courses;\n                            var currentPageLength = pageCourses.length;\n                            if (currentPageLength < pageData.limit) {\n                                nextPageStart = pageData.limit - currentPageLength;\n                                pageCourses = $.merge(loadedPages[currentPage].courses, courses.slice(0, nextPageStart));\n                            }\n                        } else {\n                            // When the page limit is zero, there is only one page of courses, no start for next page.\n                            nextPageStart = pageData.limit || false;\n                            pageCourses = (pageData.limit > 0) ? courses.slice(0, pageData.limit) : courses;\n                        }\n\n                        // Finished setting up the current page\n                        loadedPages[currentPage] = {\n                            courses: pageCourses\n                        };\n\n                        // Set up the next page (if there is more than one page).\n                        var remainingCourses = nextPageStart !== false ? courses.slice(nextPageStart, courses.length) : [];\n                        if (remainingCourses.length) {\n                            loadedPages[currentPage + 1] = {\n                                courses: remainingCourses\n                            };\n                        }\n\n                        // Set the last page to either the current or next page\n                        if (loadedPages[currentPage].courses.length < pageData.limit || !remainingCourses.length) {\n                            lastPage = currentPage;\n                            actions.allItemsLoaded(currentPage);\n                        } else if (loadedPages[currentPage + 1] != undefined\n                            && loadedPages[currentPage + 1].courses.length < pageData.limit) {\n                            lastPage = currentPage + 1;\n                        }\n\n                        courseOffset = coursesData.nextoffset;\n                        return renderCourses(root, loadedPages[currentPage]);\n                    })\n                    .catch(Notification.exception);\n\n                    promises.push(pagePromise);\n                });\n\n                return promises;\n            },\n            config\n        );\n\n        pagedContentPromise.then(function(html, js) {\n            registerPagedEventHandlers(root, namespace);\n            return Templates.replaceNodeContents(root.find(Selectors.courseView.region), html, js);\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Listen to, and handle events for  the myoverview block.\n     *\n     * @param {Object} root The myoverview block container element.\n     */\n    var registerEventListeners = function(root) {\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.ACTION_ADD_FAVOURITE, function(e, data) {\n            var favourite = $(e.target).closest(SELECTORS.ACTION_ADD_FAVOURITE);\n            var courseId = getCourseId(favourite);\n            addToFavourites(root, courseId);\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.ACTION_REMOVE_FAVOURITE, function(e, data) {\n            var favourite = $(e.target).closest(SELECTORS.ACTION_REMOVE_FAVOURITE);\n            var courseId = getCourseId(favourite);\n            removeFromFavourites(root, courseId);\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.FAVOURITE_ICON, function(e, data) {\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.ACTION_HIDE_COURSE, function(e, data) {\n            var target = $(e.target).closest(SELECTORS.ACTION_HIDE_COURSE);\n            var courseId = getCourseId(target);\n            hideCourse(root, courseId);\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.ACTION_SHOW_COURSE, function(e, data) {\n            var target = $(e.target).closest(SELECTORS.ACTION_SHOW_COURSE);\n            var courseId = getCourseId(target);\n            showCourse(root, courseId);\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    /**\n     * Intialise the courses list and cards views on page load.\n     *\n     * @param {object} root The root element for the courses view.\n     */\n    var init = function(root) {\n        root = $(root);\n        loadedPages = [];\n        lastPage = 0;\n        courseOffset = 0;\n\n        initializePagedContent(root);\n\n        if (!root.attr('data-init')) {\n            registerEventListeners(root);\n            root.attr('data-init', true);\n        }\n    };\n\n    /**\n\n     * Reset the courses views to their original\n     * state on first page load.courseOffset\n     *\n     * This is called when configuration has changed for the event lists\n     * to cause them to reload their data.\n     *\n     * @param {Object} root The root element for the timeline view.\n     */\n    var reset = function(root) {\n        if (loadedPages.length > 0) {\n            loadedPages.forEach(function(courseList, index) {\n                var pagedContentPage = getPagedContentContainer(root, index);\n                renderCourses(root, courseList).then(function(html, js) {\n                    return Templates.replaceNodeContents(pagedContentPage, html, js);\n                }).catch(Notification.exception);\n            });\n        } else {\n            init(root);\n        }\n    };\n\n    return {\n        init: init,\n        reset: reset\n    };\n});\n"],"file":"view.min.js"}
\ No newline at end of file
+{"version":3,"file":"view.min.js","sources":["../src/view.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the courses view for the overview block.\n *\n * @package    block_myoverview\n * @copyright  2018 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'block_myoverview/repository',\n    'core/paged_content_factory',\n    'core/pubsub',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/templates',\n    'core_course/events',\n    'block_myoverview/selectors',\n    'core/paged_content_events',\n],\nfunction(\n    $,\n    Repository,\n    PagedContentFactory,\n    PubSub,\n    CustomEvents,\n    Notification,\n    Templates,\n    CourseEvents,\n    Selectors,\n    PagedContentEvents\n) {\n\n    var SELECTORS = {\n        COURSE_REGION: '[data-region=\"course-view-content\"]',\n        ACTION_HIDE_COURSE: '[data-action=\"hide-course\"]',\n        ACTION_SHOW_COURSE: '[data-action=\"show-course\"]',\n        ACTION_ADD_FAVOURITE: '[data-action=\"add-favourite\"]',\n        ACTION_REMOVE_FAVOURITE: '[data-action=\"remove-favourite\"]',\n        FAVOURITE_ICON: '[data-region=\"favourite-icon\"]',\n        ICON_IS_FAVOURITE: '[data-region=\"is-favourite\"]',\n        ICON_NOT_FAVOURITE: '[data-region=\"not-favourite\"]',\n        PAGED_CONTENT_CONTAINER: '[data-region=\"page-container\"]'\n\n    };\n\n    var TEMPLATES = {\n        COURSES_CARDS: 'block_myoverview/view-cards',\n        COURSES_LIST: 'block_myoverview/view-list',\n        COURSES_SUMMARY: 'block_myoverview/view-summary',\n        NOCOURSES: 'core_course/no-courses'\n    };\n\n    var GROUPINGS = {\n        GROUPING_ALLINCLUDINGHIDDEN: 'allincludinghidden',\n        GROUPING_ALL: 'all',\n        GROUPING_INPROGRESS: 'inprogress',\n        GROUPING_FUTURE: 'future',\n        GROUPING_PAST: 'past',\n        GROUPING_FAVOURITES: 'favourites',\n        GROUPING_HIDDEN: 'hidden'\n    };\n\n    var NUMCOURSES_PERPAGE = [12, 24, 48, 96, 0];\n\n    var loadedPages = [];\n\n    var courseOffset = 0;\n\n    var lastPage = 0;\n\n    var lastLimit = 0;\n\n    var namespace = null;\n\n    /**\n     * Get filter values from DOM.\n     *\n     * @param {object} root The root element for the courses view.\n     * @return {filters} Set filters.\n     */\n    var getFilterValues = function(root) {\n        var courseRegion = root.find(Selectors.courseView.region);\n        return {\n            display: courseRegion.attr('data-display'),\n            grouping: courseRegion.attr('data-grouping'),\n            sort: courseRegion.attr('data-sort'),\n            displaycategories: courseRegion.attr('data-displaycategories'),\n            customfieldname: courseRegion.attr('data-customfieldname'),\n            customfieldvalue: courseRegion.attr('data-customfieldvalue'),\n        };\n    };\n\n    // We want the paged content controls below the paged content area.\n    // and the controls should be ignored while data is loading.\n    var DEFAULT_PAGED_CONTENT_CONFIG = {\n        ignoreControlWhileLoading: true,\n        controlPlacementBottom: true,\n        persistentLimitKey: 'block_myoverview_user_paging_preference'\n    };\n\n    /**\n     * Get enrolled courses from backend.\n     *\n     * @param {object} filters The filters for this view.\n     * @param {int} limit The number of courses to show.\n     * @return {promise} Resolved with an array of courses.\n     */\n    var getMyCourses = function(filters, limit) {\n\n        return Repository.getEnrolledCoursesByTimeline({\n            offset: courseOffset,\n            limit: limit,\n            classification: filters.grouping,\n            sort: filters.sort,\n            customfieldname: filters.customfieldname,\n            customfieldvalue: filters.customfieldvalue\n        });\n    };\n\n    /**\n     * Get the container element for the favourite icon.\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     * @return {Object} The favourite icon container\n     */\n    var getFavouriteIconContainer = function(root, courseId) {\n        return root.find(SELECTORS.FAVOURITE_ICON + '[data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Get the paged content container element.\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} index Rendered page index.\n     * @return {Object} The rendered paged container.\n     */\n    var getPagedContentContainer = function(root, index) {\n        return root.find('[data-region=\"paged-content-page\"][data-page=\"' + index + '\"]');\n    };\n\n    /**\n     * Get the course id from a favourite element.\n     *\n     * @param {Object} root The favourite icon container element.\n     * @return {Number} Course id.\n     */\n    var getCourseId = function(root) {\n        return root.attr('data-course-id');\n    };\n\n    /**\n     * Hide the favourite icon.\n     *\n     * @param {Object} root The favourite icon container element.\n     * @param  {Number} courseId Course id number.\n     */\n    var hideFavouriteIcon = function(root, courseId) {\n        var iconContainer = getFavouriteIconContainer(root, courseId);\n        var isFavouriteIcon = iconContainer.find(SELECTORS.ICON_IS_FAVOURITE);\n        isFavouriteIcon.addClass('hidden');\n        isFavouriteIcon.attr('aria-hidden', true);\n        var notFavourteIcon = iconContainer.find(SELECTORS.ICON_NOT_FAVOURITE);\n        notFavourteIcon.removeClass('hidden');\n        notFavourteIcon.attr('aria-hidden', false);\n    };\n\n    /**\n     * Show the favourite icon.\n     *\n     * @param  {Object} root The course overview container.\n     * @param  {Number} courseId Course id number.\n     */\n    var showFavouriteIcon = function(root, courseId) {\n        var iconContainer = getFavouriteIconContainer(root, courseId);\n        var isFavouriteIcon = iconContainer.find(SELECTORS.ICON_IS_FAVOURITE);\n        isFavouriteIcon.removeClass('hidden');\n        isFavouriteIcon.attr('aria-hidden', false);\n        var notFavourteIcon = iconContainer.find(SELECTORS.ICON_NOT_FAVOURITE);\n        notFavourteIcon.addClass('hidden');\n        notFavourteIcon.attr('aria-hidden', true);\n    };\n\n    /**\n     * Get the action menu item\n     *\n     * @param {Object} root  root The course overview container\n     * @param {Number} courseId Course id.\n     * @return {Object} The add to favourite menu item.\n     */\n    var getAddFavouriteMenuItem = function(root, courseId) {\n        return root.find('[data-action=\"add-favourite\"][data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Get the action menu item\n     *\n     * @param {Object} root  root The course overview container\n     * @param {Number} courseId Course id.\n     * @return {Object} The remove from favourites menu item.\n     */\n    var getRemoveFavouriteMenuItem = function(root, courseId) {\n        return root.find('[data-action=\"remove-favourite\"][data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Add course to favourites\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     */\n    var addToFavourites = function(root, courseId) {\n        var removeAction = getRemoveFavouriteMenuItem(root, courseId);\n        var addAction = getAddFavouriteMenuItem(root, courseId);\n\n        setCourseFavouriteState(courseId, true).then(function(success) {\n            if (success) {\n                PubSub.publish(CourseEvents.favourited, courseId);\n                removeAction.removeClass('hidden');\n                addAction.addClass('hidden');\n                showFavouriteIcon(root, courseId);\n            } else {\n                Notification.alert('Starring course failed', 'Could not change favourite state');\n            }\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Remove course from favourites\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     */\n    var removeFromFavourites = function(root, courseId) {\n        var removeAction = getRemoveFavouriteMenuItem(root, courseId);\n        var addAction = getAddFavouriteMenuItem(root, courseId);\n\n        setCourseFavouriteState(courseId, false).then(function(success) {\n            if (success) {\n                PubSub.publish(CourseEvents.unfavorited, courseId);\n                removeAction.addClass('hidden');\n                addAction.removeClass('hidden');\n                hideFavouriteIcon(root, courseId);\n            } else {\n                Notification.alert('Starring course failed', 'Could not change favourite state');\n            }\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Get the action menu item\n     *\n     * @param {Object} root  root The course overview container\n     * @param {Number} courseId Course id.\n     * @return {Object} The hide course menu item.\n     */\n    var getHideCourseMenuItem = function(root, courseId) {\n        return root.find('[data-action=\"hide-course\"][data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Get the action menu item\n     *\n     * @param {Object} root  root The course overview container\n     * @param {Number} courseId Course id.\n     * @return {Object} The show course menu item.\n     */\n    var getShowCourseMenuItem = function(root, courseId) {\n        return root.find('[data-action=\"show-course\"][data-course-id=\"' + courseId + '\"]');\n    };\n\n    /**\n     * Hide course\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     */\n    var hideCourse = function(root, courseId) {\n        var hideAction = getHideCourseMenuItem(root, courseId);\n        var showAction = getShowCourseMenuItem(root, courseId);\n        var filters = getFilterValues(root);\n\n        setCourseHiddenState(courseId, true);\n\n        // Remove the course from this view as it is now hidden and thus not covered by this view anymore.\n        // Do only if we are not in \"All\" view mode where really all courses are shown.\n        if (filters.grouping != GROUPINGS.GROUPING_ALLINCLUDINGHIDDEN) {\n            hideElement(root, courseId);\n        }\n\n        hideAction.addClass('hidden');\n        showAction.removeClass('hidden');\n    };\n\n    /**\n     * Show course\n     *\n     * @param  {Object} root The course overview container\n     * @param  {Number} courseId Course id number\n     */\n    var showCourse = function(root, courseId) {\n        var hideAction = getHideCourseMenuItem(root, courseId);\n        var showAction = getShowCourseMenuItem(root, courseId);\n        var filters = getFilterValues(root);\n\n        setCourseHiddenState(courseId, null);\n\n        // Remove the course from this view as it is now shown again and thus not covered by this view anymore.\n        // Do only if we are not in \"All\" view mode where really all courses are shown.\n        if (filters.grouping != GROUPINGS.GROUPING_ALLINCLUDINGHIDDEN) {\n            hideElement(root, courseId);\n        }\n\n        hideAction.removeClass('hidden');\n        showAction.addClass('hidden');\n    };\n\n    /**\n     * Set the courses hidden status and push to repository\n     *\n     * @param  {Number} courseId Course id to favourite.\n     * @param  {Bool} status new hidden status.\n     * @return {Promise} Repository promise.\n     */\n    var setCourseHiddenState = function(courseId, status) {\n\n        // If the given status is not hidden, the preference has to be deleted with a null value.\n        if (status === false) {\n            status = null;\n        }\n        return Repository.updateUserPreferences({\n            preferences: [\n                {\n                    type: 'block_myoverview_hidden_course_' + courseId,\n                    value: status\n                }\n            ]\n        });\n    };\n\n    /**\n     * Reset the loadedPages dataset to take into account the hidden element\n     *\n     * @param {Object} root The course overview container\n     * @param {Number} id The course id number\n     */\n    var hideElement = function(root, id) {\n        var pagingBar = root.find('[data-region=\"paging-bar\"]');\n        var jumpto = parseInt(pagingBar.attr('data-active-page-number'));\n\n        // Get a reduced dataset for the current page.\n        var courseList = loadedPages[jumpto];\n        var reducedCourse = courseList.courses.reduce(function(accumulator, current) {\n            if (id != current.id) {\n                accumulator.push(current);\n            }\n            return accumulator;\n        }, []);\n\n        // Get the next page's data if loaded and pop the first element from it\n        if (loadedPages[jumpto + 1] != undefined) {\n            var newElement = loadedPages[jumpto + 1].courses.slice(0, 1);\n\n            // Adjust the dataset for the reset of the pages that are loaded\n            loadedPages.forEach(function(courseList, index) {\n                if (index > jumpto) {\n                    var popElement = [];\n                    if (loadedPages[index + 1] != undefined) {\n                        popElement = loadedPages[index + 1].courses.slice(0, 1);\n                    }\n\n                    loadedPages[index].courses = $.merge(loadedPages[index].courses.slice(1), popElement);\n                }\n            });\n\n\n            reducedCourse = $.merge(reducedCourse, newElement);\n        }\n\n        // Check if the next page is the last page and if it still has data associated to it\n        if (lastPage == jumpto + 1 && loadedPages[jumpto + 1].courses.length == 0) {\n            var pagedContentContainer = root.find('[data-region=\"paged-content-container\"]');\n            PagedContentFactory.resetLastPageNumber($(pagedContentContainer).attr('id'), jumpto);\n        }\n\n        loadedPages[jumpto].courses = reducedCourse;\n\n        // Reduce the course offset\n        courseOffset--;\n\n        // Render the paged content for the current\n        var pagedContentPage = getPagedContentContainer(root, jumpto);\n        renderCourses(root, loadedPages[jumpto]).then(function(html, js) {\n            return Templates.replaceNodeContents(pagedContentPage, html, js);\n        }).catch(Notification.exception);\n\n        // Delete subsequent pages in order to trigger the callback\n        loadedPages.forEach(function(courseList, index) {\n            if (index > jumpto) {\n                var page = getPagedContentContainer(root, index);\n                page.remove();\n            }\n        });\n    };\n\n    /**\n     * Set the courses favourite status and push to repository\n     *\n     * @param  {Number} courseId Course id to favourite.\n     * @param  {Bool} status new favourite status.\n     * @return {Promise} Repository promise.\n     */\n    var setCourseFavouriteState = function(courseId, status) {\n\n        return Repository.setFavouriteCourses({\n            courses: [\n                    {\n                        'id': courseId,\n                        'favourite': status\n                    }\n                ]\n        }).then(function(result) {\n            if (result.warnings.length == 0) {\n                loadedPages.forEach(function(courseList) {\n                    courseList.courses.forEach(function(course, index) {\n                        if (course.id == courseId) {\n                            courseList.courses[index].isfavourite = status;\n                        }\n                    });\n                });\n                return true;\n            } else {\n                return false;\n            }\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Render the dashboard courses.\n     *\n     * @param {object} root The root element for the courses view.\n     * @param {array} coursesData containing array of returned courses.\n     * @return {promise} jQuery promise resolved after rendering is complete.\n     */\n    var renderCourses = function(root, coursesData) {\n\n        var filters = getFilterValues(root);\n\n        var currentTemplate = '';\n        if (filters.display == 'card') {\n            currentTemplate = TEMPLATES.COURSES_CARDS;\n        } else if (filters.display == 'list') {\n            currentTemplate = TEMPLATES.COURSES_LIST;\n        } else {\n            currentTemplate = TEMPLATES.COURSES_SUMMARY;\n        }\n\n        // Whether the course category should be displayed in the course item.\n        coursesData.courses = coursesData.courses.map(function(course) {\n            course.showcoursecategory = filters.displaycategories == 'on' ? true : false;\n            return course;\n        });\n\n        if (coursesData.courses.length) {\n            return Templates.render(currentTemplate, {\n                courses: coursesData.courses,\n            });\n        } else {\n            var nocoursesimg = root.find(Selectors.courseView.region).attr('data-nocoursesimg');\n            return Templates.render(TEMPLATES.NOCOURSES, {\n                nocoursesimg: nocoursesimg\n            });\n        }\n    };\n\n    /**\n     * Return the callback to be passed to the subscribe event\n     *\n     * @param {Number} limit The paged limit that is passed through the event\n     */\n    var setLimit = function(limit) {\n        this.find(Selectors.courseView.region).attr('data-paging', limit);\n    };\n\n    /**\n     * Intialise the paged list and cards views on page load.\n     * Returns an array of paged contents that we would like to handle here\n     *\n     * @param {object} root The root element for the courses view\n     * @param {string} namespace The namespace for all the events attached\n     */\n    var registerPagedEventHandlers = function(root, namespace) {\n        var event = namespace + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT;\n        PubSub.subscribe(event, setLimit.bind(root));\n    };\n\n    /**\n     * Intialise the courses list and cards views on page load.\n     *\n     * @param {object} root The root element for the courses view.\n     * @param {object} content The content element for the courses view.\n     */\n    var initializePagedContent = function(root) {\n        namespace = \"block_myoverview_\" + root.attr('id') + \"_\" + Math.random();\n\n        var pagingLimit = parseInt(root.find(Selectors.courseView.region).attr('data-paging'), 10);\n        var itemsPerPage = NUMCOURSES_PERPAGE.map(function(value) {\n            var active = false;\n            if (value == pagingLimit) {\n                active = true;\n            }\n\n            return {\n                value: value,\n                active: active\n            };\n        });\n\n        // Filter out all pagination options which are too large for the amount of courses user is enrolled in.\n        var totalCourseCount = parseInt(root.find(Selectors.courseView.region).attr('data-totalcoursecount'), 10);\n        itemsPerPage = itemsPerPage.filter(function(pagingOption) {\n            return pagingOption.value < totalCourseCount || pagingOption.value === 0;\n        });\n\n        var filters = getFilterValues(root);\n        var config = $.extend({}, DEFAULT_PAGED_CONTENT_CONFIG);\n        config.eventNamespace = namespace;\n\n        var pagedContentPromise = PagedContentFactory.createWithLimit(\n            itemsPerPage,\n            function(pagesData, actions) {\n                var promises = [];\n\n                pagesData.forEach(function(pageData) {\n                    var currentPage = pageData.pageNumber;\n                    var limit = (pageData.limit > 0) ? pageData.limit : 0;\n\n                    // Reset local variables if limits have changed\n                    if (lastLimit != limit) {\n                        loadedPages = [];\n                        courseOffset = 0;\n                        lastPage = 0;\n                    }\n\n                    if (lastPage == currentPage) {\n                        // If we are on the last page and have it's data then load it from cache\n                        actions.allItemsLoaded(lastPage);\n                        promises.push(renderCourses(root, loadedPages[currentPage]));\n                        return;\n                    }\n\n                    lastLimit = limit;\n\n                    // Get 2 pages worth of data as we will need it for the hidden functionality.\n                    if (loadedPages[currentPage + 1] == undefined) {\n                        if (loadedPages[currentPage] == undefined) {\n                            limit *= 2;\n                        }\n                    }\n\n                    var pagePromise = getMyCourses(\n                        filters,\n                        limit\n                    ).then(function(coursesData) {\n                        var courses = coursesData.courses;\n                        var nextPageStart = 0;\n                        var pageCourses = [];\n\n                        // If current page's data is loaded make sure we max it to page limit\n                        if (loadedPages[currentPage] != undefined) {\n                            pageCourses = loadedPages[currentPage].courses;\n                            var currentPageLength = pageCourses.length;\n                            if (currentPageLength < pageData.limit) {\n                                nextPageStart = pageData.limit - currentPageLength;\n                                pageCourses = $.merge(loadedPages[currentPage].courses, courses.slice(0, nextPageStart));\n                            }\n                        } else {\n                            // When the page limit is zero, there is only one page of courses, no start for next page.\n                            nextPageStart = pageData.limit || false;\n                            pageCourses = (pageData.limit > 0) ? courses.slice(0, pageData.limit) : courses;\n                        }\n\n                        // Finished setting up the current page\n                        loadedPages[currentPage] = {\n                            courses: pageCourses\n                        };\n\n                        // Set up the next page (if there is more than one page).\n                        var remainingCourses = nextPageStart !== false ? courses.slice(nextPageStart, courses.length) : [];\n                        if (remainingCourses.length) {\n                            loadedPages[currentPage + 1] = {\n                                courses: remainingCourses\n                            };\n                        }\n\n                        // Set the last page to either the current or next page\n                        if (loadedPages[currentPage].courses.length < pageData.limit || !remainingCourses.length) {\n                            lastPage = currentPage;\n                            actions.allItemsLoaded(currentPage);\n                        } else if (loadedPages[currentPage + 1] != undefined\n                            && loadedPages[currentPage + 1].courses.length < pageData.limit) {\n                            lastPage = currentPage + 1;\n                        }\n\n                        courseOffset = coursesData.nextoffset;\n                        return renderCourses(root, loadedPages[currentPage]);\n                    })\n                    .catch(Notification.exception);\n\n                    promises.push(pagePromise);\n                });\n\n                return promises;\n            },\n            config\n        );\n\n        pagedContentPromise.then(function(html, js) {\n            registerPagedEventHandlers(root, namespace);\n            return Templates.replaceNodeContents(root.find(Selectors.courseView.region), html, js);\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Listen to, and handle events for  the myoverview block.\n     *\n     * @param {Object} root The myoverview block container element.\n     */\n    var registerEventListeners = function(root) {\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.ACTION_ADD_FAVOURITE, function(e, data) {\n            var favourite = $(e.target).closest(SELECTORS.ACTION_ADD_FAVOURITE);\n            var courseId = getCourseId(favourite);\n            addToFavourites(root, courseId);\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.ACTION_REMOVE_FAVOURITE, function(e, data) {\n            var favourite = $(e.target).closest(SELECTORS.ACTION_REMOVE_FAVOURITE);\n            var courseId = getCourseId(favourite);\n            removeFromFavourites(root, courseId);\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.FAVOURITE_ICON, function(e, data) {\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.ACTION_HIDE_COURSE, function(e, data) {\n            var target = $(e.target).closest(SELECTORS.ACTION_HIDE_COURSE);\n            var courseId = getCourseId(target);\n            hideCourse(root, courseId);\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.ACTION_SHOW_COURSE, function(e, data) {\n            var target = $(e.target).closest(SELECTORS.ACTION_SHOW_COURSE);\n            var courseId = getCourseId(target);\n            showCourse(root, courseId);\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    /**\n     * Intialise the courses list and cards views on page load.\n     *\n     * @param {object} root The root element for the courses view.\n     */\n    var init = function(root) {\n        root = $(root);\n        loadedPages = [];\n        lastPage = 0;\n        courseOffset = 0;\n\n        initializePagedContent(root);\n\n        if (!root.attr('data-init')) {\n            registerEventListeners(root);\n            root.attr('data-init', true);\n        }\n    };\n\n    /**\n\n     * Reset the courses views to their original\n     * state on first page load.courseOffset\n     *\n     * This is called when configuration has changed for the event lists\n     * to cause them to reload their data.\n     *\n     * @param {Object} root The root element for the timeline view.\n     */\n    var reset = function(root) {\n        if (loadedPages.length > 0) {\n            loadedPages.forEach(function(courseList, index) {\n                var pagedContentPage = getPagedContentContainer(root, index);\n                renderCourses(root, courseList).then(function(html, js) {\n                    return Templates.replaceNodeContents(pagedContentPage, html, js);\n                }).catch(Notification.exception);\n            });\n        } else {\n            init(root);\n        }\n    };\n\n    return {\n        init: init,\n        reset: reset\n    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\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/view_nav.min.js b/blocks/myoverview/amd/build/view_nav.min.js
index 565b7b993d2..f3585b7df12 100644
--- a/blocks/myoverview/amd/build/view_nav.min.js
+++ b/blocks/myoverview/amd/build/view_nav.min.js
@@ -1,2 +1,10 @@
-define ("block_myoverview/view_nav",["jquery","core/custom_interaction_events","block_myoverview/repository","block_myoverview/view","block_myoverview/selectors"],function(a,b,c,d,f){var g={FILTERS:"[data-region=\"filter\"]",FILTER_OPTION:"[data-filter]",DISPLAY_OPTION:"[data-display-option]"},h=function(a,b){var d=null;if("display"==a){d="block_myoverview_user_view_preference"}else if("sort"==a){d="block_myoverview_user_sort_preference"}else if("customfieldvalue"==a){d="block_myoverview_user_grouping_customfieldvalue_preference"}else{d="block_myoverview_user_grouping_preference"}c.updateUserPreferences({preferences:[{type:d,value:b}]})},i=function(c){var e=c.find(g.FILTERS);b.define(e,[b.events.activate]);e.on(b.events.activate,g.FILTER_OPTION,function(b,e){var g=a(b.target);if(g.hasClass("active")){return}var i=g.attr("data-filter"),j=g.attr("data-pref"),k=g.attr("data-customfieldvalue");c.find(f.courseView.region).attr("data-"+i,g.attr("data-value"));h(i,j);if(k){c.find(f.courseView.region).attr("data-customfieldvalue",k);h("customfieldvalue",k)}d.init(c);e.originalEvent.preventDefault()});b.define(e,[b.events.activate]);e.on(b.events.activate,g.DISPLAY_OPTION,function(b,e){var g=a(b.target);if(g.hasClass("active")){return}var i=g.attr("data-display-option"),j=g.attr("data-pref");c.find(f.courseView.region).attr("data-display",g.attr("data-value"));h(i,j);d.reset(c);e.originalEvent.preventDefault()})};return{init:function init(b){b=a(b);i(b)}}});
-//# sourceMappingURL=view_nav.min.js.map
+/**
+ * Manage the timeline view navigation for the overview block.
+ *
+ * @package    block_myoverview
+ * @copyright  2018 Bas Brands <bas@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_myoverview/view_nav",["jquery","core/custom_interaction_events","block_myoverview/repository","block_myoverview/view","block_myoverview/selectors"],(function($,CustomEvents,Repository,View,Selectors){var SELECTORS_FILTERS='[data-region="filter"]',SELECTORS_FILTER_OPTION="[data-filter]",SELECTORS_DISPLAY_OPTION="[data-display-option]",updatePreferences=function(filter,value){var type=null;type="display"==filter?"block_myoverview_user_view_preference":"sort"==filter?"block_myoverview_user_sort_preference":"customfieldvalue"==filter?"block_myoverview_user_grouping_customfieldvalue_preference":"block_myoverview_user_grouping_preference",Repository.updateUserPreferences({preferences:[{type:type,value:value}]})};return{init:function(root){!function(root){var Selector=root.find(SELECTORS_FILTERS);CustomEvents.define(Selector,[CustomEvents.events.activate]),Selector.on(CustomEvents.events.activate,SELECTORS_FILTER_OPTION,(function(e,data){var option=$(e.target);if(!option.hasClass("active")){var filter=option.attr("data-filter"),pref=option.attr("data-pref"),customfieldvalue=option.attr("data-customfieldvalue");root.find(Selectors.courseView.region).attr("data-"+filter,option.attr("data-value")),updatePreferences(filter,pref),customfieldvalue&&(root.find(Selectors.courseView.region).attr("data-customfieldvalue",customfieldvalue),updatePreferences("customfieldvalue",customfieldvalue)),View.init(root),data.originalEvent.preventDefault()}})),CustomEvents.define(Selector,[CustomEvents.events.activate]),Selector.on(CustomEvents.events.activate,SELECTORS_DISPLAY_OPTION,(function(e,data){var option=$(e.target);if(!option.hasClass("active")){var filter=option.attr("data-display-option"),pref=option.attr("data-pref");root.find(Selectors.courseView.region).attr("data-display",option.attr("data-value")),updatePreferences(filter,pref),View.reset(root),data.originalEvent.preventDefault()}}))}(root=$(root))}}}));
+
+//# sourceMappingURL=view_nav.min.js.map
\ No newline at end of file
diff --git a/blocks/myoverview/amd/build/view_nav.min.js.map b/blocks/myoverview/amd/build/view_nav.min.js.map
index 815b2ae722c..ff0ba78d5ce 100644
--- a/blocks/myoverview/amd/build/view_nav.min.js.map
+++ b/blocks/myoverview/amd/build/view_nav.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline view navigation for the overview block.\n *\n * @package    block_myoverview\n * @copyright  2018 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'block_myoverview/repository',\n    'block_myoverview/view',\n    'block_myoverview/selectors'\n],\nfunction(\n    $,\n    CustomEvents,\n    Repository,\n    View,\n    Selectors\n) {\n\n    var SELECTORS = {\n        FILTERS: '[data-region=\"filter\"]',\n        FILTER_OPTION: '[data-filter]',\n        DISPLAY_OPTION: '[data-display-option]'\n    };\n\n    /**\n     * Update the user preference for the block.\n     *\n     * @param {String} filter The type of filter: display/sort/grouping.\n     * @param {String} value The current preferred value.\n     */\n    var updatePreferences = function(filter, value) {\n        var type = null;\n        if (filter == 'display') {\n            type = 'block_myoverview_user_view_preference';\n        } else if (filter == 'sort') {\n            type = 'block_myoverview_user_sort_preference';\n        } else if (filter == 'customfieldvalue') {\n            type = 'block_myoverview_user_grouping_customfieldvalue_preference';\n        } else {\n            type = 'block_myoverview_user_grouping_preference';\n        }\n\n        Repository.updateUserPreferences({\n            preferences: [\n                {\n                    type: type,\n                    value: value\n                }\n            ]\n        });\n    };\n\n    /**\n     * Event listener for the Display filter (cards, list).\n     *\n     * @param {object} root The root element for the overview block\n     */\n    var registerSelector = function(root) {\n\n        var Selector = root.find(SELECTORS.FILTERS);\n\n        CustomEvents.define(Selector, [CustomEvents.events.activate]);\n        Selector.on(\n            CustomEvents.events.activate,\n            SELECTORS.FILTER_OPTION,\n            function(e, data) {\n                var option = $(e.target);\n\n                if (option.hasClass('active')) {\n                    // If it's already active then we don't need to do anything.\n                    return;\n                }\n\n                var filter = option.attr('data-filter');\n                var pref = option.attr('data-pref');\n                var customfieldvalue = option.attr('data-customfieldvalue');\n\n                root.find(Selectors.courseView.region).attr('data-' + filter, option.attr('data-value'));\n                updatePreferences(filter, pref);\n\n                if (customfieldvalue) {\n                    root.find(Selectors.courseView.region).attr('data-customfieldvalue', customfieldvalue);\n                    updatePreferences('customfieldvalue', customfieldvalue);\n                }\n\n                // Reset the views.\n                View.init(root);\n\n                data.originalEvent.preventDefault();\n            }\n        );\n\n        CustomEvents.define(Selector, [CustomEvents.events.activate]);\n        Selector.on(\n            CustomEvents.events.activate,\n            SELECTORS.DISPLAY_OPTION,\n            function(e, data) {\n                var option = $(e.target);\n\n                if (option.hasClass('active')) {\n                    return;\n                }\n\n                var filter = option.attr('data-display-option');\n                var pref = option.attr('data-pref');\n\n                root.find(Selectors.courseView.region).attr('data-display', option.attr('data-value'));\n                updatePreferences(filter, pref);\n                View.reset(root);\n                data.originalEvent.preventDefault();\n            }\n        );\n    };\n\n    /**\n     * Initialise the timeline view navigation by adding event listeners to\n     * the navigation elements.\n     *\n     * @param {object} root The root element for the myoverview block\n     */\n    var init = function(root) {\n        root = $(root);\n        registerSelector(root);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"file":"view_nav.min.js"}
\ No newline at end of file
+{"version":3,"file":"view_nav.min.js","sources":["../src/view_nav.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline view navigation for the overview block.\n *\n * @package    block_myoverview\n * @copyright  2018 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'block_myoverview/repository',\n    'block_myoverview/view',\n    'block_myoverview/selectors'\n],\nfunction(\n    $,\n    CustomEvents,\n    Repository,\n    View,\n    Selectors\n) {\n\n    var SELECTORS = {\n        FILTERS: '[data-region=\"filter\"]',\n        FILTER_OPTION: '[data-filter]',\n        DISPLAY_OPTION: '[data-display-option]'\n    };\n\n    /**\n     * Update the user preference for the block.\n     *\n     * @param {String} filter The type of filter: display/sort/grouping.\n     * @param {String} value The current preferred value.\n     */\n    var updatePreferences = function(filter, value) {\n        var type = null;\n        if (filter == 'display') {\n            type = 'block_myoverview_user_view_preference';\n        } else if (filter == 'sort') {\n            type = 'block_myoverview_user_sort_preference';\n        } else if (filter == 'customfieldvalue') {\n            type = 'block_myoverview_user_grouping_customfieldvalue_preference';\n        } else {\n            type = 'block_myoverview_user_grouping_preference';\n        }\n\n        Repository.updateUserPreferences({\n            preferences: [\n                {\n                    type: type,\n                    value: value\n                }\n            ]\n        });\n    };\n\n    /**\n     * Event listener for the Display filter (cards, list).\n     *\n     * @param {object} root The root element for the overview block\n     */\n    var registerSelector = function(root) {\n\n        var Selector = root.find(SELECTORS.FILTERS);\n\n        CustomEvents.define(Selector, [CustomEvents.events.activate]);\n        Selector.on(\n            CustomEvents.events.activate,\n            SELECTORS.FILTER_OPTION,\n            function(e, data) {\n                var option = $(e.target);\n\n                if (option.hasClass('active')) {\n                    // If it's already active then we don't need to do anything.\n                    return;\n                }\n\n                var filter = option.attr('data-filter');\n                var pref = option.attr('data-pref');\n                var customfieldvalue = option.attr('data-customfieldvalue');\n\n                root.find(Selectors.courseView.region).attr('data-' + filter, option.attr('data-value'));\n                updatePreferences(filter, pref);\n\n                if (customfieldvalue) {\n                    root.find(Selectors.courseView.region).attr('data-customfieldvalue', customfieldvalue);\n                    updatePreferences('customfieldvalue', customfieldvalue);\n                }\n\n                // Reset the views.\n                View.init(root);\n\n                data.originalEvent.preventDefault();\n            }\n        );\n\n        CustomEvents.define(Selector, [CustomEvents.events.activate]);\n        Selector.on(\n            CustomEvents.events.activate,\n            SELECTORS.DISPLAY_OPTION,\n            function(e, data) {\n                var option = $(e.target);\n\n                if (option.hasClass('active')) {\n                    return;\n                }\n\n                var filter = option.attr('data-display-option');\n                var pref = option.attr('data-pref');\n\n                root.find(Selectors.courseView.region).attr('data-display', option.attr('data-value'));\n                updatePreferences(filter, pref);\n                View.reset(root);\n                data.originalEvent.preventDefault();\n            }\n        );\n    };\n\n    /**\n     * Initialise the timeline view navigation by adding event listeners to\n     * the navigation elements.\n     *\n     * @param {object} root The root element for the myoverview block\n     */\n    var init = function(root) {\n        root = $(root);\n        registerSelector(root);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","CustomEvents","Repository","View","Selectors","SELECTORS","updatePreferences","filter","value","type","updateUserPreferences","preferences","init","root","Selector","find","events","activate","on","e","data","option","target","hasClass","attr","pref","customfieldvalue","courseView","region","originalEvent","preventDefault","reset","registerSelector"],"mappings":";;;;;;;AAuBAA,mCACA,CACI,SACA,iCACA,8BACA,wBACA,+BAEJ,SACIC,EACAC,aACAC,WACAC,KACAC,eAGIC,kBACS,yBADTA,wBAEe,gBAFfA,yBAGgB,wBAShBC,kBAAoB,SAASC,OAAQC,WACjCC,KAAO,KAEPA,KADU,WAAVF,OACO,wCACU,QAAVA,OACA,wCACU,oBAAVA,OACA,6DAEA,4CAGXL,WAAWQ,sBAAsB,CAC7BC,YAAa,CACT,CACIF,KAAMA,KACND,MAAOA,iBA+EhB,CACHI,KANO,SAASC,OA/DG,SAASA,UAExBC,SAAWD,KAAKE,KAAKV,mBAEzBJ,aAAaF,OAAOe,SAAU,CAACb,aAAae,OAAOC,WACnDH,SAASI,GACLjB,aAAae,OAAOC,SACpBZ,yBACA,SAASc,EAAGC,UACJC,OAASrB,EAAEmB,EAAEG,YAEbD,OAAOE,SAAS,eAKhBhB,OAASc,OAAOG,KAAK,eACrBC,KAAOJ,OAAOG,KAAK,aACnBE,iBAAmBL,OAAOG,KAAK,yBAEnCX,KAAKE,KAAKX,UAAUuB,WAAWC,QAAQJ,KAAK,QAAUjB,OAAQc,OAAOG,KAAK,eAC1ElB,kBAAkBC,OAAQkB,MAEtBC,mBACAb,KAAKE,KAAKX,UAAUuB,WAAWC,QAAQJ,KAAK,wBAAyBE,kBACrEpB,kBAAkB,mBAAoBoB,mBAI1CvB,KAAKS,KAAKC,MAEVO,KAAKS,cAAcC,qBAI3B7B,aAAaF,OAAOe,SAAU,CAACb,aAAae,OAAOC,WACnDH,SAASI,GACLjB,aAAae,OAAOC,SACpBZ,0BACA,SAASc,EAAGC,UACJC,OAASrB,EAAEmB,EAAEG,YAEbD,OAAOE,SAAS,eAIhBhB,OAASc,OAAOG,KAAK,uBACrBC,KAAOJ,OAAOG,KAAK,aAEvBX,KAAKE,KAAKX,UAAUuB,WAAWC,QAAQJ,KAAK,eAAgBH,OAAOG,KAAK,eACxElB,kBAAkBC,OAAQkB,MAC1BtB,KAAK4B,MAAMlB,MACXO,KAAKS,cAAcC,qBAa3BE,CADAnB,KAAOb,EAAEa"}
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/ajax_response_renderer.min.js b/blocks/navigation/amd/build/ajax_response_renderer.min.js
index 5271f8e5a52..bb7030fdb9d 100644
--- a/blocks/navigation/amd/build/ajax_response_renderer.min.js
+++ b/blocks/navigation/amd/build/ajax_response_renderer.min.js
@@ -1,2 +1,12 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("block_navigation/ajax_response_renderer",["jquery","core/templates","core/notification","core/url"],function(a,b,c,d){var e={ACTIVITY:40,RESOURCE:50};function f(g,h){var i=a("<ul></ul>");i.attr("role","group");i.attr("aria-hidden",!0);a.each(h,function(g,h){if("object"!==_typeof(h)){return}var j=a("<li></li>"),k=a("<p></p>"),l=h.id||h.key+"_tree_item",m=null,n=h.expandable||h.haschildren?!0:!1;k.addClass("tree_item");k.attr("id",l);k.attr("role","treeitem");k.attr("tabindex","-1");if(h.requiresajaxloading){k.attr("data-requires-ajax",!0);k.attr("data-node-id",h.id);k.attr("data-node-key",h.key);k.attr("data-node-type",h.type)}if(n){j.addClass("collapsed contains_branch");k.attr("aria-expanded",!1);k.addClass("branch")}var o=null;if(h.link){var p=a("<a title=\""+h.title+"\" href=\""+h.link+"\"></a>");o=p;p.append("<span class=\"item-content-wrap\">"+h.name+"</span>");if(h.hidden){p.addClass("dimmed")}k.append(p)}else{var q=a("<span></span>");o=q;q.append("<span class=\"item-content-wrap\">"+h.name+"</span>");if(h.hidden){q.addClass("dimmed")}k.append(q)}if(h.icon&&(!n||h.type===e.ACTIVITY||h.type===e.RESOURCE)){j.addClass("item_with_icon");k.addClass("hasicon");if(h.type===e.ACTIVITY||h.type===e.RESOURCE){m=a("<img/>");m.attr("alt",h.icon.alt);m.attr("title",h.icon.title);m.attr("src",d.imageUrl(h.icon.pix,h.icon.component));a.each(h.icon.classes,function(a,b){m.addClass(b)});o.prepend(m)}else{if("moodle"==h.icon.component){h.icon.component="core"}b.renderPix(h.icon.pix,h.icon.component,h.icon.title).then(function(a){o.prepend(a)}).catch(c.exception)}}j.append(k);i.append(j);if(h.children&&h.children.length){f(k,h.children)}else if(n&&!h.requiresajaxloading){j.removeClass("contains_branch");k.addClass("emptybranch")}});g.parent().append(i);var j=g.attr("id")+"_group";i.attr("id",j);g.attr("aria-owns",j);g.attr("role","treeitem")}return{render:function render(a,b){if(b.children&&b.children.length){f(a,b.children);var c=a.children("[role='treeitem']").first(),d=a.find("#"+c.attr("aria-owns"));c.attr("aria-expanded",!0);d.attr("aria-hidden",!1)}else{if(a.parent().hasClass("contains_branch")){a.parent().removeClass("contains_branch");a.addClass("emptybranch")}}}}});
-//# sourceMappingURL=ajax_response_renderer.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * Parse the response from the navblock ajax page and render the correct DOM
+ * structure for the tree from it.
+ *
+ * @module     block_navigation/ajax_response_renderer
+ * @package    core
+ * @copyright  2015 John Okely <john@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */}define("block_navigation/ajax_response_renderer",["jquery","core/templates","core/notification","core/url"],(function($,Templates,Notification,Url){var NODETYPE_ACTIVITY=40,NODETYPE_RESOURCE=50;function buildDOM(rootElement,nodes){var ul=$("<ul></ul>");ul.attr("role","group"),ul.attr("aria-hidden",!0),$.each(nodes,(function(index,node){if("object"===_typeof(node)){var li=$("<li></li>"),p=$("<p></p>"),id=node.id||node.key+"_tree_item",icon=null,isBranch=!(!node.expandable&&!node.haschildren);p.addClass("tree_item"),p.attr("id",id),p.attr("role","treeitem"),p.attr("tabindex","-1"),node.requiresajaxloading&&(p.attr("data-requires-ajax",!0),p.attr("data-node-id",node.id),p.attr("data-node-key",node.key),p.attr("data-node-type",node.type)),isBranch&&(li.addClass("collapsed contains_branch"),p.attr("aria-expanded",!1),p.addClass("branch"));var eleToAddIcon=null;if(node.link){var link=$('<a title="'+node.title+'" href="'+node.link+'"></a>');eleToAddIcon=link,link.append('<span class="item-content-wrap">'+node.name+"</span>"),node.hidden&&link.addClass("dimmed"),p.append(link)}else{var span=$("<span></span>");eleToAddIcon=span,span.append('<span class="item-content-wrap">'+node.name+"</span>"),node.hidden&&span.addClass("dimmed"),p.append(span)}!node.icon||isBranch&&node.type!==NODETYPE_ACTIVITY&&node.type!==NODETYPE_RESOURCE||(li.addClass("item_with_icon"),p.addClass("hasicon"),node.type===NODETYPE_ACTIVITY||node.type===NODETYPE_RESOURCE?((icon=$("<img/>")).attr("alt",node.icon.alt),icon.attr("title",node.icon.title),icon.attr("src",Url.imageUrl(node.icon.pix,node.icon.component)),$.each(node.icon.classes,(function(index,className){icon.addClass(className)})),eleToAddIcon.prepend(icon)):("moodle"==node.icon.component&&(node.icon.component="core"),Templates.renderPix(node.icon.pix,node.icon.component,node.icon.title).then((function(html){eleToAddIcon.prepend(html)})).catch(Notification.exception))),li.append(p),ul.append(li),node.children&&node.children.length?buildDOM(p,node.children):isBranch&&!node.requiresajaxloading&&(li.removeClass("contains_branch"),p.addClass("emptybranch"))}})),rootElement.parent().append(ul);var id=rootElement.attr("id")+"_group";ul.attr("id",id),rootElement.attr("aria-owns",id),rootElement.attr("role","treeitem")}return{render:function(element,nodes){if(nodes.children&&nodes.children.length){buildDOM(element,nodes.children);var item=element.children("[role='treeitem']").first(),group=element.find("#"+item.attr("aria-owns"));item.attr("aria-expanded",!0),group.attr("aria-hidden",!1)}else element.parent().hasClass("contains_branch")&&(element.parent().removeClass("contains_branch"),element.addClass("emptybranch"))}}}));
+
+//# sourceMappingURL=ajax_response_renderer.min.js.map
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/ajax_response_renderer.min.js.map b/blocks/navigation/amd/build/ajax_response_renderer.min.js.map
index 60fd5540824..70d0d43a4ea 100644
--- a/blocks/navigation/amd/build/ajax_response_renderer.min.js.map
+++ b/blocks/navigation/amd/build/ajax_response_renderer.min.js.map
@@ -1 +1 @@
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Parse the response from the navblock ajax page and render the correct DOM\n * structure for the tree from it.\n *\n * @module     block_navigation/ajax_response_renderer\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/url'], function($, Templates, Notification, Url) {\n\n    // Mappings for the different types of nodes coming from the navigation.\n    // Copied from lib/navigationlib.php navigation_node constants.\n    var NODETYPE = {\n        // @type int Activity (course module) = 40.\n        ACTIVITY: 40,\n        // @type int Resource (course module = 50.\n        RESOURCE: 50,\n    };\n\n    /**\n     * Build DOM.\n     *\n     * @method buildDOM\n     * @param {Object} rootElement the root element of DOM.\n     * @param {object} nodes jquery object representing the nodes to be build.\n     */\n    function buildDOM(rootElement, nodes) {\n        var ul = $('<ul></ul>');\n        ul.attr('role', 'group');\n        ul.attr('aria-hidden', true);\n\n        $.each(nodes, function(index, node) {\n            if (typeof node !== 'object') {\n                return;\n            }\n\n            var li = $('<li></li>');\n            var p = $('<p></p>');\n            var id = node.id || node.key + '_tree_item';\n            var icon = null;\n            var isBranch = (node.expandable || node.haschildren) ? true : false;\n\n            p.addClass('tree_item');\n            p.attr('id', id);\n            p.attr('role', 'treeitem');\n            // Negative tab index to allow it to receive focus.\n            p.attr('tabindex', '-1');\n\n            if (node.requiresajaxloading) {\n                p.attr('data-requires-ajax', true);\n                p.attr('data-node-id', node.id);\n                p.attr('data-node-key', node.key);\n                p.attr('data-node-type', node.type);\n            }\n\n            if (isBranch) {\n                li.addClass('collapsed contains_branch');\n                p.attr('aria-expanded', false);\n                p.addClass('branch');\n            }\n\n            var eleToAddIcon = null;\n            if (node.link) {\n                var link = $('<a title=\"' + node.title + '\" href=\"' + node.link + '\"></a>');\n\n                eleToAddIcon = link;\n                link.append('<span class=\"item-content-wrap\">' + node.name + '</span>');\n\n                if (node.hidden) {\n                    link.addClass('dimmed');\n                }\n\n                p.append(link);\n            } else {\n                var span = $('<span></span>');\n\n                eleToAddIcon = span;\n                span.append('<span class=\"item-content-wrap\">' + node.name + '</span>');\n\n                if (node.hidden) {\n                    span.addClass('dimmed');\n                }\n\n                p.append(span);\n            }\n\n            if (node.icon && (!isBranch || node.type === NODETYPE.ACTIVITY || node.type === NODETYPE.RESOURCE)) {\n                li.addClass('item_with_icon');\n                p.addClass('hasicon');\n\n                if (node.type === NODETYPE.ACTIVITY || node.type === NODETYPE.RESOURCE) {\n                    icon = $('<img/>');\n                    icon.attr('alt', node.icon.alt);\n                    icon.attr('title', node.icon.title);\n                    icon.attr('src', Url.imageUrl(node.icon.pix, node.icon.component));\n                    $.each(node.icon.classes, function(index, className) {\n                        icon.addClass(className);\n                    });\n                    eleToAddIcon.prepend(icon);\n                } else {\n                    if (node.icon.component == 'moodle') {\n                        node.icon.component = 'core';\n                    }\n                    Templates.renderPix(node.icon.pix, node.icon.component, node.icon.title).then(function(html) {\n                        // Prepend.\n                        eleToAddIcon.prepend(html);\n                        return;\n                    }).catch(Notification.exception);\n                }\n            }\n\n            li.append(p);\n            ul.append(li);\n\n            if (node.children && node.children.length) {\n                buildDOM(p, node.children);\n            } else if (isBranch && !node.requiresajaxloading) {\n                li.removeClass('contains_branch');\n                p.addClass('emptybranch');\n            }\n        });\n\n        rootElement.parent().append(ul);\n        var id = rootElement.attr('id') + '_group';\n        ul.attr('id', id);\n        rootElement.attr('aria-owns', id);\n        rootElement.attr('role', 'treeitem');\n    }\n\n    return {\n        render: function(element, nodes) {\n            // The first element of the response is the existing node so we start with processing the children.\n            if (nodes.children && nodes.children.length) {\n                buildDOM(element, nodes.children);\n\n                var item = element.children(\"[role='treeitem']\").first();\n                var group = element.find('#' + item.attr('aria-owns'));\n\n                item.attr('aria-expanded', true);\n                group.attr('aria-hidden', false);\n            } else {\n                if (element.parent().hasClass('contains_branch')) {\n                    element.parent().removeClass('contains_branch');\n                    element.addClass('emptybranch');\n                }\n            }\n        }\n    };\n});\n"],"file":"ajax_response_renderer.min.js"}
\ No newline at end of file
+{"version":3,"file":"ajax_response_renderer.min.js","sources":["../src/ajax_response_renderer.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Parse the response from the navblock ajax page and render the correct DOM\n * structure for the tree from it.\n *\n * @module     block_navigation/ajax_response_renderer\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/url'], function($, Templates, Notification, Url) {\n\n    // Mappings for the different types of nodes coming from the navigation.\n    // Copied from lib/navigationlib.php navigation_node constants.\n    var NODETYPE = {\n        // @type int Activity (course module) = 40.\n        ACTIVITY: 40,\n        // @type int Resource (course module = 50.\n        RESOURCE: 50,\n    };\n\n    /**\n     * Build DOM.\n     *\n     * @method buildDOM\n     * @param {Object} rootElement the root element of DOM.\n     * @param {object} nodes jquery object representing the nodes to be build.\n     */\n    function buildDOM(rootElement, nodes) {\n        var ul = $('<ul></ul>');\n        ul.attr('role', 'group');\n        ul.attr('aria-hidden', true);\n\n        $.each(nodes, function(index, node) {\n            if (typeof node !== 'object') {\n                return;\n            }\n\n            var li = $('<li></li>');\n            var p = $('<p></p>');\n            var id = node.id || node.key + '_tree_item';\n            var icon = null;\n            var isBranch = (node.expandable || node.haschildren) ? true : false;\n\n            p.addClass('tree_item');\n            p.attr('id', id);\n            p.attr('role', 'treeitem');\n            // Negative tab index to allow it to receive focus.\n            p.attr('tabindex', '-1');\n\n            if (node.requiresajaxloading) {\n                p.attr('data-requires-ajax', true);\n                p.attr('data-node-id', node.id);\n                p.attr('data-node-key', node.key);\n                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node.icon.component, node.icon.title).then(function(html) {\n                        // Prepend.\n                        eleToAddIcon.prepend(html);\n                        return;\n                    }).catch(Notification.exception);\n                }\n            }\n\n            li.append(p);\n            ul.append(li);\n\n            if (node.children && node.children.length) {\n                buildDOM(p, node.children);\n            } else if (isBranch && !node.requiresajaxloading) {\n                li.removeClass('contains_branch');\n                p.addClass('emptybranch');\n            }\n        });\n\n        rootElement.parent().append(ul);\n        var id = rootElement.attr('id') + '_group';\n        ul.attr('id', id);\n        rootElement.attr('aria-owns', id);\n        rootElement.attr('role', 'treeitem');\n    }\n\n    return {\n        render: function(element, nodes) {\n            // The first element of the response is the existing node so we start with processing the children.\n            if (nodes.children && nodes.children.length) {\n                buildDOM(element, nodes.children);\n\n                var item = element.children(\"[role='treeitem']\").first();\n                var group = element.find('#' + item.attr('aria-owns'));\n\n                item.attr('aria-expanded', true);\n                group.attr('aria-hidden', false);\n            } else {\n                if (element.parent().hasClass('contains_branch')) {\n                    element.parent().removeClass('contains_branch');\n                    element.addClass('emptybranch');\n                }\n            }\n        }\n    };\n});\n"],"names":["define","$","Templates","Notification","Url","NODETYPE","buildDOM","rootElement","nodes","ul","attr","each","index","node","_typeof","li","p","id","key","icon","isBranch","expandable","haschildren","addClass","requiresajaxloading","type","eleToAddIcon","link","title","append","name","hidden","span","alt","imageUrl","pix","component","classes","className","prepend","renderPix","then","html","catch","exception","children","length","removeClass","parent","render","element","item","first","group","find","hasClass"],"mappings":";;;;;;;;;IAwBAA,iDAAO,CAAC,SAAU,iBAAkB,oBAAqB,aAAa,SAASC,EAAGC,UAAWC,aAAcC,SAInGC,kBAEU,GAFVA,kBAIU,YAULC,SAASC,YAAaC,WACvBC,GAAKR,EAAE,aACXQ,GAAGC,KAAK,OAAQ,SAChBD,GAAGC,KAAK,eAAe,GAEvBT,EAAEU,KAAKH,OAAO,SAASI,MAAOC,SACN,WAAhBC,QAAOD,WAIPE,GAAKd,EAAE,aACPe,EAAIf,EAAE,WACNgB,GAAKJ,KAAKI,IAAMJ,KAAKK,IAAM,aAC3BC,KAAO,KACPC,YAAYP,KAAKQ,aAAcR,KAAKS,aAExCN,EAAEO,SAAS,aACXP,EAAEN,KAAK,KAAMO,IACbD,EAAEN,KAAK,OAAQ,YAEfM,EAAEN,KAAK,WAAY,MAEfG,KAAKW,sBACLR,EAAEN,KAAK,sBAAsB,GAC7BM,EAAEN,KAAK,eAAgBG,KAAKI,IAC5BD,EAAEN,KAAK,gBAAiBG,KAAKK,KAC7BF,EAAEN,KAAK,iBAAkBG,KAAKY,OAG9BL,WACAL,GAAGQ,SAAS,6BACZP,EAAEN,KAAK,iBAAiB,GACxBM,EAAEO,SAAS,eAGXG,aAAe,QACfb,KAAKc,KAAM,KACPA,KAAO1B,EAAE,aAAeY,KAAKe,MAAQ,WAAaf,KAAKc,KAAO,UAElED,aAAeC,KACfA,KAAKE,OAAO,mCAAqChB,KAAKiB,KAAO,WAEzDjB,KAAKkB,QACLJ,KAAKJ,SAAS,UAGlBP,EAAEa,OAAOF,UACN,KACCK,KAAO/B,EAAE,iBAEbyB,aAAeM,KACfA,KAAKH,OAAO,mCAAqChB,KAAKiB,KAAO,WAEzDjB,KAAKkB,QACLC,KAAKT,SAAS,UAGlBP,EAAEa,OAAOG,OAGTnB,KAAKM,MAAUC,UAAYP,KAAKY,OAASpB,mBAAqBQ,KAAKY,OAASpB,oBAC5EU,GAAGQ,SAAS,kBACZP,EAAEO,SAAS,WAEPV,KAAKY,OAASpB,mBAAqBQ,KAAKY,OAASpB,oBACjDc,KAAOlB,EAAE,WACJS,KAAK,MAAOG,KAAKM,KAAKc,KAC3Bd,KAAKT,KAAK,QAASG,KAAKM,KAAKS,OAC7BT,KAAKT,KAAK,MAAON,IAAI8B,SAASrB,KAAKM,KAAKgB,IAAKtB,KAAKM,KAAKiB,YACvDnC,EAAEU,KAAKE,KAAKM,KAAKkB,SAAS,SAASzB,MAAO0B,WACtCnB,KAAKI,SAASe,cAElBZ,aAAaa,QAAQpB,QAEM,UAAvBN,KAAKM,KAAKiB,YACVvB,KAAKM,KAAKiB,UAAY,QAE1BlC,UAAUsC,UAAU3B,KAAKM,KAAKgB,IAAKtB,KAAKM,KAAKiB,UAAWvB,KAAKM,KAAKS,OAAOa,MAAK,SAASC,MAEnFhB,aAAaa,QAAQG,SAEtBC,MAAMxC,aAAayC,aAI9B7B,GAAGc,OAAOb,GACVP,GAAGoB,OAAOd,IAENF,KAAKgC,UAAYhC,KAAKgC,SAASC,OAC/BxC,SAASU,EAAGH,KAAKgC,UACVzB,WAAaP,KAAKW,sBACzBT,GAAGgC,YAAY,mBACf/B,EAAEO,SAAS,oBAInBhB,YAAYyC,SAASnB,OAAOpB,QACxBQ,GAAKV,YAAYG,KAAK,MAAQ,SAClCD,GAAGC,KAAK,KAAMO,IACdV,YAAYG,KAAK,YAAaO,IAC9BV,YAAYG,KAAK,OAAQ,kBAGtB,CACHuC,OAAQ,SAASC,QAAS1C,UAElBA,MAAMqC,UAAYrC,MAAMqC,SAASC,OAAQ,CACzCxC,SAAS4C,QAAS1C,MAAMqC,cAEpBM,KAAOD,QAAQL,SAAS,qBAAqBO,QAC7CC,MAAQH,QAAQI,KAAK,IAAMH,KAAKzC,KAAK,cAEzCyC,KAAKzC,KAAK,iBAAiB,GAC3B2C,MAAM3C,KAAK,eAAe,QAEtBwC,QAAQF,SAASO,SAAS,qBAC1BL,QAAQF,SAASD,YAAY,mBAC7BG,QAAQ3B,SAAS"}
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/nav_loader.min.js b/blocks/navigation/amd/build/nav_loader.min.js
index b75f6b4ac9d..d94fe3a0bc6 100644
--- a/blocks/navigation/amd/build/nav_loader.min.js
+++ b/blocks/navigation/amd/build/nav_loader.min.js
@@ -1,2 +1,11 @@
-define ("block_navigation/nav_loader",["jquery","core/ajax","core/config","block_navigation/ajax_response_renderer"],function(a,b,c,d){var e=c.wwwroot+"/lib/ajax/getnavbranch.php";function f(a){return a.closest("[data-block]").attr("data-instanceid")}return{load:function load(b){b=a(b);var g=a.Deferred(),h={elementid:b.attr("data-node-id"),id:b.attr("data-node-key"),type:b.attr("data-node-type"),sesskey:c.sesskey,instance:f(b)};a.ajax(e,{type:"POST",dataType:"json",data:h}).done(function(a){d.render(b,a);g.resolve()});return g}}});
-//# sourceMappingURL=nav_loader.min.js.map
+/**
+ * Load the nav tree items via ajax and render the response.
+ *
+ * @module     block_navigation/nav_loader
+ * @package    core
+ * @copyright  2015 John Okely <john@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_navigation/nav_loader",["jquery","core/ajax","core/config","block_navigation/ajax_response_renderer"],(function($,ajax,config,renderer){var URL=config.wwwroot+"/lib/ajax/getnavbranch.php";function getBlockInstanceId(element){return element.closest("[data-block]").attr("data-instanceid")}return{load:function(element){element=$(element);var promise=$.Deferred(),settings={type:"POST",dataType:"json",data:{elementid:element.attr("data-node-id"),id:element.attr("data-node-key"),type:element.attr("data-node-type"),sesskey:config.sesskey,instance:getBlockInstanceId(element)}};return $.ajax(URL,settings).done((function(nodes){renderer.render(element,nodes),promise.resolve()})),promise}}}));
+
+//# sourceMappingURL=nav_loader.min.js.map
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/nav_loader.min.js.map b/blocks/navigation/amd/build/nav_loader.min.js.map
index 331c071a0f5..125823d15e6 100644
--- a/blocks/navigation/amd/build/nav_loader.min.js.map
+++ b/blocks/navigation/amd/build/nav_loader.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/nav_loader.js"],"names":["define","$","ajax","config","renderer","URL","wwwroot","getBlockInstanceId","element","closest","attr","load","promise","Deferred","data","elementid","id","type","sesskey","instance","dataType","done","nodes","render","resolve"],"mappings":"AAuBAA,OAAM,+BAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,aAAxB,CAAuC,yCAAvC,CAAD,CACF,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAA0BC,CAA1B,CAAoC,CAChC,GAAIC,CAAAA,CAAG,CAAGF,CAAM,CAACG,OAAP,CAAiB,4BAA3B,CASA,QAASC,CAAAA,CAAT,CAA4BC,CAA5B,CAAqC,CACjC,MAAOA,CAAAA,CAAO,CAACC,OAAR,CAAgB,cAAhB,EAAgCC,IAAhC,CAAqC,iBAArC,CACV,CAEL,MAAO,CACHC,IAAI,CAAE,cAASH,CAAT,CAAkB,CACpBA,CAAO,CAAGP,CAAC,CAACO,CAAD,CAAX,CADoB,GAEhBI,CAAAA,CAAO,CAAGX,CAAC,CAACY,QAAF,EAFM,CAGhBC,CAAI,CAAG,CACPC,SAAS,CAAEP,CAAO,CAACE,IAAR,CAAa,cAAb,CADJ,CAEPM,EAAE,CAAER,CAAO,CAACE,IAAR,CAAa,eAAb,CAFG,CAGPO,IAAI,CAAET,CAAO,CAACE,IAAR,CAAa,gBAAb,CAHC,CAIPQ,OAAO,CAAEf,CAAM,CAACe,OAJT,CAKPC,QAAQ,CAAEZ,CAAkB,CAACC,CAAD,CALrB,CAHS,CAgBpBP,CAAC,CAACC,IAAF,CAAOG,CAAP,CANe,CACXY,IAAI,CAAE,MADK,CAEXG,QAAQ,CAAE,MAFC,CAGXN,IAAI,CAAEA,CAHK,CAMf,EAAsBO,IAAtB,CAA2B,SAASC,CAAT,CAAgB,CACvClB,CAAQ,CAACmB,MAAT,CAAgBf,CAAhB,CAAyBc,CAAzB,EACAV,CAAO,CAACY,OAAR,EACH,CAHD,EAKA,MAAOZ,CAAAA,CACV,CAvBE,CAyBV,CAxCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the nav tree items via ajax and render the response.\n *\n * @module     block_navigation/nav_loader\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/config', 'block_navigation/ajax_response_renderer'],\n    function($, ajax, config, renderer) {\n        var URL = config.wwwroot + '/lib/ajax/getnavbranch.php';\n\n        /**\n         * Get the block instance id.\n         *\n         * @function getBlockInstanceId\n         * @param {Element} element\n         * @returns {String} the instance id\n         */\n        function getBlockInstanceId(element) {\n            return element.closest('[data-block]').attr('data-instanceid');\n        }\n\n    return {\n        load: function(element) {\n            element = $(element);\n            var promise = $.Deferred();\n            var data = {\n                elementid: element.attr('data-node-id'),\n                id: element.attr('data-node-key'),\n                type: element.attr('data-node-type'),\n                sesskey: config.sesskey,\n                instance: getBlockInstanceId(element)\n            };\n            var settings = {\n                type: 'POST',\n                dataType: 'json',\n                data: data\n            };\n\n            $.ajax(URL, settings).done(function(nodes) {\n                renderer.render(element, nodes);\n                promise.resolve();\n            });\n\n            return promise;\n        }\n    };\n});\n"],"file":"nav_loader.min.js"}
\ No newline at end of file
+{"version":3,"file":"nav_loader.min.js","sources":["../src/nav_loader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the nav tree items via ajax and render the response.\n *\n * @module     block_navigation/nav_loader\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/config', 'block_navigation/ajax_response_renderer'],\n    function($, ajax, config, renderer) {\n        var URL = config.wwwroot + '/lib/ajax/getnavbranch.php';\n\n        /**\n         * Get the block instance id.\n         *\n         * @function getBlockInstanceId\n         * @param {Element} element\n         * @returns {String} the instance id\n         */\n        function getBlockInstanceId(element) {\n            return element.closest('[data-block]').attr('data-instanceid');\n        }\n\n    return {\n        load: function(element) {\n            element = $(element);\n            var promise = $.Deferred();\n            var data = {\n                elementid: element.attr('data-node-id'),\n                id: element.attr('data-node-key'),\n                type: element.attr('data-node-type'),\n                sesskey: config.sesskey,\n                instance: getBlockInstanceId(element)\n            };\n            var settings = {\n                type: 'POST',\n                dataType: 'json',\n                data: data\n            };\n\n            $.ajax(URL, settings).done(function(nodes) {\n                renderer.render(element, nodes);\n                promise.resolve();\n            });\n\n            return promise;\n        }\n    };\n});\n"],"names":["define","$","ajax","config","renderer","URL","wwwroot","getBlockInstanceId","element","closest","attr","load","promise","Deferred","settings","type","dataType","data","elementid","id","sesskey","instance","done","nodes","render","resolve"],"mappings":";;;;;;;;AAuBAA,qCAAO,CAAC,SAAU,YAAa,cAAe,4CAC1C,SAASC,EAAGC,KAAMC,OAAQC,cAClBC,IAAMF,OAAOG,QAAU,sCASlBC,mBAAmBC,gBACjBA,QAAQC,QAAQ,gBAAgBC,KAAK,yBAG7C,CACHC,KAAM,SAASH,SACXA,QAAUP,EAAEO,aACRI,QAAUX,EAAEY,WAQZC,SAAW,CACXC,KAAM,OACNC,SAAU,OACVC,KAVO,CACPC,UAAWV,QAAQE,KAAK,gBACxBS,GAAIX,QAAQE,KAAK,iBACjBK,KAAMP,QAAQE,KAAK,kBACnBU,QAASjB,OAAOiB,QAChBC,SAAUd,mBAAmBC,kBAQjCP,EAAEC,KAAKG,IAAKS,UAAUQ,MAAK,SAASC,OAChCnB,SAASoB,OAAOhB,QAASe,OACzBX,QAAQa,aAGLb"}
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/navblock.min.js b/blocks/navigation/amd/build/navblock.min.js
index fe24b09b595..b09de27d753 100644
--- a/blocks/navigation/amd/build/navblock.min.js
+++ b/blocks/navigation/amd/build/navblock.min.js
@@ -1,2 +1,11 @@
-define ("block_navigation/navblock",["jquery","core/tree"],function(a,b){return{init:function init(a){var c=new b(".block_navigation .block_tree");c.finishExpandingGroup=function(c){b.prototype.finishExpandingGroup.call(this,c);Y.use("moodle-core-event",function(){Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED,{instanceid:a})})};c.collapseGroup=function(c){b.prototype.collapseGroup.call(this,c);Y.use("moodle-core-event",function(){Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED,{instanceid:a})})}}}});
-//# sourceMappingURL=navblock.min.js.map
+/**
+ * Load the navigation tree javascript.
+ *
+ * @module     block_navigation/navblock
+ * @package    core
+ * @copyright  2015 John Okely <john@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_navigation/navblock",["jquery","core/tree"],(function($,Tree){return{init:function(instanceid){var navTree=new Tree(".block_navigation .block_tree");navTree.finishExpandingGroup=function(item){Tree.prototype.finishExpandingGroup.call(this,item),Y.use("moodle-core-event",(function(){Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED,{instanceid:instanceid})}))},navTree.collapseGroup=function(item){Tree.prototype.collapseGroup.call(this,item),Y.use("moodle-core-event",(function(){Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED,{instanceid:instanceid})}))}}}}));
+
+//# sourceMappingURL=navblock.min.js.map
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/navblock.min.js.map b/blocks/navigation/amd/build/navblock.min.js.map
index f93c05d4349..7c38c852ea4 100644
--- a/blocks/navigation/amd/build/navblock.min.js.map
+++ b/blocks/navigation/amd/build/navblock.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/navblock.js"],"names":["define","$","Tree","init","instanceid","navTree","finishExpandingGroup","item","prototype","call","Y","use","Global","fire","M","core","globalEvents","BLOCK_CONTENT_UPDATED","collapseGroup"],"mappings":"AAuBAA,OAAM,6BAAC,CAAC,QAAD,CAAW,WAAX,CAAD,CAA0B,SAASC,CAAT,CAAYC,CAAZ,CAAkB,CAC9C,MAAO,CACHC,IAAI,CAAE,cAASC,CAAT,CAAqB,CACvB,GAAIC,CAAAA,CAAO,CAAG,GAAIH,CAAAA,CAAJ,CAAS,+BAAT,CAAd,CACAG,CAAO,CAACC,oBAAR,CAA+B,SAASC,CAAT,CAAe,CAC1CL,CAAI,CAACM,SAAL,CAAeF,oBAAf,CAAoCG,IAApC,CAAyC,IAAzC,CAA+CF,CAA/C,EACAG,CAAC,CAACC,GAAF,CAAM,mBAAN,CAA2B,UAAW,CAClCD,CAAC,CAACE,MAAF,CAASC,IAAT,CAAcC,CAAC,CAACC,IAAF,CAAOC,YAAP,CAAoBC,qBAAlC,CAAyD,CACrDb,UAAU,CAAEA,CADyC,CAAzD,CAGH,CAJD,CAKH,CAPD,CAQAC,CAAO,CAACa,aAAR,CAAwB,SAASX,CAAT,CAAe,CACnCL,CAAI,CAACM,SAAL,CAAeU,aAAf,CAA6BT,IAA7B,CAAkC,IAAlC,CAAwCF,CAAxC,EACAG,CAAC,CAACC,GAAF,CAAM,mBAAN,CAA2B,UAAW,CAClCD,CAAC,CAACE,MAAF,CAASC,IAAT,CAAcC,CAAC,CAACC,IAAF,CAAOC,YAAP,CAAoBC,qBAAlC,CAAyD,CACrDb,UAAU,CAAEA,CADyC,CAAzD,CAGH,CAJD,CAKH,CACJ,CAnBE,CAqBV,CAtBK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the navigation tree javascript.\n *\n * @module     block_navigation/navblock\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/tree'], function($, Tree) {\n    return {\n        init: function(instanceid) {\n            var navTree = new Tree(\".block_navigation .block_tree\");\n            navTree.finishExpandingGroup = function(item) {\n                Tree.prototype.finishExpandingGroup.call(this, item);\n                Y.use('moodle-core-event', function() {\n                    Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED, {\n                        instanceid: instanceid\n                    });\n                });\n            };\n            navTree.collapseGroup = function(item) {\n                Tree.prototype.collapseGroup.call(this, item);\n                Y.use('moodle-core-event', function() {\n                    Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED, {\n                        instanceid: instanceid\n                    });\n                });\n            };\n        }\n    };\n});\n"],"file":"navblock.min.js"}
\ No newline at end of file
+{"version":3,"file":"navblock.min.js","sources":["../src/navblock.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the navigation tree javascript.\n *\n * @module     block_navigation/navblock\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/tree'], function($, Tree) {\n    return {\n        init: function(instanceid) {\n            var navTree = new Tree(\".block_navigation .block_tree\");\n            navTree.finishExpandingGroup = function(item) {\n                Tree.prototype.finishExpandingGroup.call(this, item);\n                Y.use('moodle-core-event', function() {\n                    Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED, {\n                        instanceid: instanceid\n                    });\n                });\n            };\n            navTree.collapseGroup = function(item) {\n                Tree.prototype.collapseGroup.call(this, item);\n                Y.use('moodle-core-event', function() {\n                    Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED, {\n                        instanceid: instanceid\n                    });\n                });\n            };\n        }\n    };\n});\n"],"names":["define","$","Tree","init","instanceid","navTree","finishExpandingGroup","item","prototype","call","this","Y","use","Global","fire","M","core","globalEvents","BLOCK_CONTENT_UPDATED","collapseGroup"],"mappings":";;;;;;;;AAuBAA,mCAAO,CAAC,SAAU,cAAc,SAASC,EAAGC,YACjC,CACHC,KAAM,SAASC,gBACPC,QAAU,IAAIH,KAAK,iCACvBG,QAAQC,qBAAuB,SAASC,MACpCL,KAAKM,UAAUF,qBAAqBG,KAAKC,KAAMH,MAC/CI,EAAEC,IAAI,qBAAqB,WACvBD,EAAEE,OAAOC,KAAKC,EAAEC,KAAKC,aAAaC,sBAAuB,CACrDd,WAAYA,iBAIxBC,QAAQc,cAAgB,SAASZ,MAC7BL,KAAKM,UAAUW,cAAcV,KAAKC,KAAMH,MACxCI,EAAEC,IAAI,qBAAqB,WACvBD,EAAEE,OAAOC,KAAKC,EAAEC,KAAKC,aAAaC,sBAAuB,CACrDd,WAAYA"}
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/site_admin_loader.min.js b/blocks/navigation/amd/build/site_admin_loader.min.js
index a1ee89786e0..971104ef7a8 100644
--- a/blocks/navigation/amd/build/site_admin_loader.min.js
+++ b/blocks/navigation/amd/build/site_admin_loader.min.js
@@ -1,2 +1,11 @@
-define ("block_navigation/site_admin_loader",["jquery","core/ajax","core/config","block_navigation/ajax_response_renderer"],function(a,b,c,d){var e=c.wwwroot+"/lib/ajax/getsiteadminbranch.php";return{load:function load(b){b=a(b);var f=a.Deferred(),g={type:71,sesskey:c.sesskey};a.ajax(e,{type:"POST",dataType:"json",data:g}).done(function(a){d.render(b,a);f.resolve()});return f}}});
-//# sourceMappingURL=site_admin_loader.min.js.map
+/**
+ * Load the site admin nav tree via ajax and render the response.
+ *
+ * @module     block_navigation/site_admin_loader
+ * @package    core
+ * @copyright  2015 John Okely <john@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_navigation/site_admin_loader",["jquery","core/ajax","core/config","block_navigation/ajax_response_renderer"],(function($,ajax,config,renderer){var URL=config.wwwroot+"/lib/ajax/getsiteadminbranch.php";return{load:function(element){element=$(element);var promise=$.Deferred(),settings={type:"POST",dataType:"json",data:{type:71,sesskey:config.sesskey}};return $.ajax(URL,settings).done((function(nodes){renderer.render(element,nodes),promise.resolve()})),promise}}}));
+
+//# sourceMappingURL=site_admin_loader.min.js.map
\ No newline at end of file
diff --git a/blocks/navigation/amd/build/site_admin_loader.min.js.map b/blocks/navigation/amd/build/site_admin_loader.min.js.map
index c7cd6459f0d..181ff3533c5 100644
--- a/blocks/navigation/amd/build/site_admin_loader.min.js.map
+++ b/blocks/navigation/amd/build/site_admin_loader.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/site_admin_loader.js"],"names":["define","$","ajax","config","renderer","URL","wwwroot","load","element","promise","Deferred","data","type","sesskey","dataType","done","nodes","render","resolve"],"mappings":"AAuBAA,OAAM,sCAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,aAAxB,CAAuC,yCAAvC,CAAD,CACE,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAA0BC,CAA1B,CAAoC,IAGpCC,CAAAA,CAAG,CAAGF,CAAM,CAACG,OAAP,CAAiB,kCAHa,CAKxC,MAAO,CACHC,IAAI,CAAE,cAASC,CAAT,CAAkB,CACpBA,CAAO,CAAGP,CAAC,CAACO,CAAD,CAAX,CADoB,GAEhBC,CAAAA,CAAO,CAAGR,CAAC,CAACS,QAAF,EAFM,CAGhBC,CAAI,CAAG,CACPC,IAAI,GADG,CAEPC,OAAO,CAAEV,CAAM,CAACU,OAFT,CAHS,CAapBZ,CAAC,CAACC,IAAF,CAAOG,CAAP,CANe,CACXO,IAAI,CAAE,MADK,CAEXE,QAAQ,CAAE,MAFC,CAGXH,IAAI,CAAEA,CAHK,CAMf,EAAsBI,IAAtB,CAA2B,SAASC,CAAT,CAAgB,CACvCZ,CAAQ,CAACa,MAAT,CAAgBT,CAAhB,CAAyBQ,CAAzB,EACAP,CAAO,CAACS,OAAR,EACH,CAHD,EAKA,MAAOT,CAAAA,CACV,CApBE,CAsBV,CA5BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the site admin nav tree via ajax and render the response.\n *\n * @module     block_navigation/site_admin_loader\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/config', 'block_navigation/ajax_response_renderer'],\n        function($, ajax, config, renderer) {\n\n    var SITE_ADMIN_NODE_TYPE = 71;\n    var URL = config.wwwroot + '/lib/ajax/getsiteadminbranch.php';\n\n    return {\n        load: function(element) {\n            element = $(element);\n            var promise = $.Deferred();\n            var data = {\n                type: SITE_ADMIN_NODE_TYPE,\n                sesskey: config.sesskey\n            };\n            var settings = {\n                type: 'POST',\n                dataType: 'json',\n                data: data\n            };\n\n            $.ajax(URL, settings).done(function(nodes) {\n                renderer.render(element, nodes);\n                promise.resolve();\n            });\n\n            return promise;\n        }\n    };\n});\n"],"file":"site_admin_loader.min.js"}
\ No newline at end of file
+{"version":3,"file":"site_admin_loader.min.js","sources":["../src/site_admin_loader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the site admin nav tree via ajax and render the response.\n *\n * @module     block_navigation/site_admin_loader\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/config', 'block_navigation/ajax_response_renderer'],\n        function($, ajax, config, renderer) {\n\n    var SITE_ADMIN_NODE_TYPE = 71;\n    var URL = config.wwwroot + '/lib/ajax/getsiteadminbranch.php';\n\n    return {\n        load: function(element) {\n            element = $(element);\n            var promise = $.Deferred();\n            var data = {\n                type: SITE_ADMIN_NODE_TYPE,\n                sesskey: config.sesskey\n            };\n            var settings = {\n                type: 'POST',\n                dataType: 'json',\n                data: data\n            };\n\n            $.ajax(URL, settings).done(function(nodes) {\n                renderer.render(element, nodes);\n                promise.resolve();\n            });\n\n            return promise;\n        }\n    };\n});\n"],"names":["define","$","ajax","config","renderer","URL","wwwroot","load","element","promise","Deferred","settings","type","dataType","data","sesskey","done","nodes","render","resolve"],"mappings":";;;;;;;;AAuBAA,4CAAO,CAAC,SAAU,YAAa,cAAe,4CACtC,SAASC,EAAGC,KAAMC,OAAQC,cAG1BC,IAAMF,OAAOG,QAAU,yCAEpB,CACHC,KAAM,SAASC,SACXA,QAAUP,EAAEO,aACRC,QAAUR,EAAES,WAKZC,SAAW,CACXC,KAAM,OACNC,SAAU,OACVC,KAPO,CACPF,KARe,GASfG,QAASZ,OAAOY,iBAQpBd,EAAEC,KAAKG,IAAKM,UAAUK,MAAK,SAASC,OAChCb,SAASc,OAAOV,QAASS,OACzBR,QAAQU,aAGLV"}
\ No newline at end of file
diff --git a/blocks/online_users/amd/build/change_user_visibility.min.js b/blocks/online_users/amd/build/change_user_visibility.min.js
index c80c6e45117..05a692e627b 100644
--- a/blocks/online_users/amd/build/change_user_visibility.min.js
+++ b/blocks/online_users/amd/build/change_user_visibility.min.js
@@ -1,2 +1,12 @@
-define ("block_online_users/change_user_visibility",["jquery","core/ajax","core/str","core/notification"],function(a,b,c,d){var e={CHANGE_VISIBILITY_LINK:"#change-user-visibility",CHANGE_VISIBILITY_ICON:"#change-user-visibility .icon"},f=function(a,c){var e="show"==a?1:0;b.call([{methodname:"core_user_set_user_preferences",args:{preferences:[{name:"block_online_users_uservisibility",value:e,userid:c}]}}])[0].then(function(b){if(b.saved){var c=g(a);h(c);i(c)}}).catch(d.exception)},g=function(a){return"show"==a?"hide":"show"},h=function(b){k(b).then(function(c){a(e.CHANGE_VISIBILITY_LINK).attr({"data-action":b,title:c})}).catch(d.exception)},i=function(b){var c=a(e.CHANGE_VISIBILITY_ICON);k(b).then(function(d){a(c).attr({title:d,"aria-label":d});if(c.is("img")){a(c).attr({src:M.util.image_url("t/"+b),alt:d})}else{a(c).addClass(j(b));a(c).removeClass(j(g(b)))}}).catch(d.exception)},j=function(a){return"show"==a?"fa-eye-slash":"fa-eye"},k=function(a){return c.get_string("online_status:"+a,"block_online_users")};return{init:function init(){a(e.CHANGE_VISIBILITY_LINK).on("click",function(b){b.preventDefault();var c=a(this).attr("data-action"),d=a(this).attr("data-userid");f(c,d)})}}});
-//# sourceMappingURL=change_user_visibility.min.js.map
+/**
+ * A javascript module that handles the change of the user's visibility in the
+ * online users block.
+ *
+ * @module     block_online_users/change_user_visibility
+ * @package    block_online_users
+ * @copyright  2018 Mihail Geshoski <mihail@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_online_users/change_user_visibility",["jquery","core/ajax","core/str","core/notification"],(function($,Ajax,Str,Notification){var SELECTORS_CHANGE_VISIBILITY_LINK="#change-user-visibility",SELECTORS_CHANGE_VISIBILITY_ICON="#change-user-visibility .icon",oppositeAction=function(action){return"show"==action?"hide":"show"},changeVisibilityLinkAttr=function(action){getTitle(action).then((function(title){$(SELECTORS_CHANGE_VISIBILITY_LINK).attr({"data-action":action,title:title})})).catch(Notification.exception)},changeVisibilityIconAttr=function(action){var icon=$(SELECTORS_CHANGE_VISIBILITY_ICON);getTitle(action).then((function(title){$(icon).attr({title:title,"aria-label":title}),icon.is("img")?$(icon).attr({src:M.util.image_url("t/"+action),alt:title}):($(icon).addClass(getIconClass(action)),$(icon).removeClass(getIconClass(oppositeAction(action))))})).catch(Notification.exception)},getIconClass=function(action){return"show"==action?"fa-eye-slash":"fa-eye"},getTitle=function(action){return Str.get_string("online_status:"+action,"block_online_users")};return{init:function(){$(SELECTORS_CHANGE_VISIBILITY_LINK).on("click",(function(e){e.preventDefault(),function(action,userid){var request={methodname:"core_user_set_user_preferences",args:{preferences:[{name:"block_online_users_uservisibility",value:"show"==action?1:0,userid:userid}]}};Ajax.call([request])[0].then((function(data){if(data.saved){var newAction=oppositeAction(action);changeVisibilityLinkAttr(newAction),changeVisibilityIconAttr(newAction)}})).catch(Notification.exception)}($(this).attr("data-action"),$(this).attr("data-userid"))}))}}}));
+
+//# sourceMappingURL=change_user_visibility.min.js.map
\ No newline at end of file
diff --git a/blocks/online_users/amd/build/change_user_visibility.min.js.map b/blocks/online_users/amd/build/change_user_visibility.min.js.map
index f8872777068..29ce8a18f2b 100644
--- a/blocks/online_users/amd/build/change_user_visibility.min.js.map
+++ b/blocks/online_users/amd/build/change_user_visibility.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/change_user_visibility.js"],"names":["define","$","Ajax","Str","Notification","SELECTORS","CHANGE_VISIBILITY_LINK","CHANGE_VISIBILITY_ICON","changeVisibility","action","userid","value","call","methodname","args","preferences","then","data","saved","newAction","oppositeAction","changeVisibilityLinkAttr","changeVisibilityIconAttr","catch","exception","getTitle","title","attr","icon","is","M","util","image_url","addClass","getIconClass","removeClass","get_string","init","on","e","preventDefault"],"mappings":"AAwBAA,OAAM,6CAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,UAAxB,CAAoC,mBAApC,CAAD,CACE,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAuBC,CAAvB,CAAqC,IAQrCC,CAAAA,CAAS,CAAG,CACZC,sBAAsB,CAAE,yBADZ,CAEZC,sBAAsB,CAAE,+BAFZ,CARyB,CAqBrCC,CAAgB,CAAG,SAASC,CAAT,CAAiBC,CAAjB,CAAyB,IAExCC,CAAAA,CAAK,CAAa,MAAV,EAAAF,CAAM,CAAa,CAAb,CAAiB,CAFS,CAe5CP,CAAI,CAACU,IAAL,CAAU,CANI,CACVC,UAAU,CAAE,gCADF,CAEVC,IAAI,CAAE,CACFC,WAAW,CATD,CAAC,CACf,KAAQ,mCADO,CAEf,MAASJ,CAFM,CAGf,OAAUD,CAHK,CAAD,CAQR,CAFI,CAMJ,CAAV,EAAqB,CAArB,EAAwBM,IAAxB,CAA6B,SAASC,CAAT,CAAe,CACxC,GAAIA,CAAI,CAACC,KAAT,CAAgB,CACZ,GAAIC,CAAAA,CAAS,CAAGC,CAAc,CAACX,CAAD,CAA9B,CACAY,CAAwB,CAACF,CAAD,CAAxB,CACAG,CAAwB,CAACH,CAAD,CAC3B,CAEJ,CAPD,EAOGI,KAPH,CAOSnB,CAAY,CAACoB,SAPtB,CAQH,CA5CwC,CAsDrCJ,CAAc,CAAG,SAASX,CAAT,CAAiB,CAClC,MAAiB,MAAV,EAAAA,CAAM,CAAa,MAAb,CAAsB,MACtC,CAxDwC,CAiErCY,CAAwB,CAAG,SAASZ,CAAT,CAAiB,CAC5CgB,CAAQ,CAAChB,CAAD,CAAR,CAAiBO,IAAjB,CAAsB,SAASU,CAAT,CAAgB,CAClCzB,CAAC,CAACI,CAAS,CAACC,sBAAX,CAAD,CAAoCqB,IAApC,CAAyC,CACrC,cAAelB,CADsB,CAErC,MAASiB,CAF4B,CAAzC,CAKH,CAND,EAMGH,KANH,CAMSnB,CAAY,CAACoB,SANtB,CAOH,CAzEwC,CAkFrCF,CAAwB,CAAG,SAASb,CAAT,CAAiB,CAC5C,GAAImB,CAAAA,CAAI,CAAG3B,CAAC,CAACI,CAAS,CAACE,sBAAX,CAAZ,CACAkB,CAAQ,CAAChB,CAAD,CAAR,CAAiBO,IAAjB,CAAsB,SAASU,CAAT,CAAgB,CAElCzB,CAAC,CAAC2B,CAAD,CAAD,CAAQD,IAAR,CAAa,CACT,MAASD,CADA,CAET,aAAcA,CAFL,CAAb,EAKA,GAAIE,CAAI,CAACC,EAAL,CAAQ,KAAR,CAAJ,CAAoB,CAChB5B,CAAC,CAAC2B,CAAD,CAAD,CAAQD,IAAR,CAAa,CACT,IAAOG,CAAC,CAACC,IAAF,CAAOC,SAAP,CAAiB,KAAOvB,CAAxB,CADE,CAET,IAAOiB,CAFE,CAAb,CAIH,CALD,IAKO,CAEHzB,CAAC,CAAC2B,CAAD,CAAD,CAAQK,QAAR,CAAiBC,CAAY,CAACzB,CAAD,CAA7B,EACAR,CAAC,CAAC2B,CAAD,CAAD,CAAQO,WAAR,CAAoBD,CAAY,CAACd,CAAc,CAACX,CAAD,CAAf,CAAhC,CACH,CAEJ,CAlBD,EAkBGc,KAlBH,CAkBSnB,CAAY,CAACoB,SAlBtB,CAmBH,CAvGwC,CAiHrCU,CAAY,CAAG,SAASzB,CAAT,CAAiB,CAChC,MAAiB,MAAV,EAAAA,CAAM,CAAa,cAAb,CAA8B,QAC9C,CAnHwC,CA6HrCgB,CAAQ,CAAG,SAAShB,CAAT,CAAiB,CAC5B,MAAON,CAAAA,CAAG,CAACiC,UAAJ,CAAe,iBAAmB3B,CAAlC,CAA0C,oBAA1C,CACV,CA/HwC,CAiIzC,MAAO,CAOH4B,IAAI,CAAE,eAAW,CACbpC,CAAC,CAACI,CAAS,CAACC,sBAAX,CAAD,CAAoCgC,EAApC,CAAuC,OAAvC,CAAgD,SAASC,CAAT,CAAY,CACxDA,CAAC,CAACC,cAAF,GADwD,GAEpD/B,CAAAA,CAAM,CAAIR,CAAC,CAAC,IAAD,CAAD,CAAQ0B,IAAR,CAAa,aAAb,CAF0C,CAGpDjB,CAAM,CAAIT,CAAC,CAAC,IAAD,CAAD,CAAQ0B,IAAR,CAAa,aAAb,CAH0C,CAIxDnB,CAAgB,CAACC,CAAD,CAASC,CAAT,CACnB,CALD,CAMH,CAdE,CAgBV,CAlJK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module that handles the change of the user's visibility in the\n * online users block.\n *\n * @module     block_online_users/change_user_visibility\n * @package    block_online_users\n * @copyright  2018 Mihail Geshoski <mihail@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/notification'],\n        function($, Ajax, Str, Notification) {\n\n    /**\n     * Selectors.\n     *\n     * @access private\n     * @type {Object}\n     */\n    var SELECTORS = {\n        CHANGE_VISIBILITY_LINK: '#change-user-visibility',\n        CHANGE_VISIBILITY_ICON: '#change-user-visibility .icon'\n    };\n\n    /**\n     * Change user visibility in the online users block.\n     *\n     * @method changeVisibility\n     * @param {String} action\n     * @param {String} userid\n     * @private\n     */\n    var changeVisibility = function(action, userid) {\n\n        var value = action == \"show\" ? 1 : 0;\n        var preferences = [{\n            'name': 'block_online_users_uservisibility',\n            'value': value,\n            'userid': userid\n        }];\n\n        var request = {\n            methodname: 'core_user_set_user_preferences',\n            args: {\n                preferences: preferences\n            }\n        };\n        Ajax.call([request])[0].then(function(data) {\n            if (data.saved) {\n                var newAction = oppositeAction(action);\n                changeVisibilityLinkAttr(newAction);\n                changeVisibilityIconAttr(newAction);\n            }\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Get the opposite action.\n     *\n     * @method oppositeAction\n     * @param {String} action\n     * @return {String}\n     * @private\n     */\n    var oppositeAction = function(action) {\n        return action == 'show' ? 'hide' : 'show';\n    };\n\n    /**\n     * Change the attribute values of the user visibility link in the online users block.\n     *\n     * @method changeVisibilityLinkAttr\n     * @param {String} action\n     * @private\n     */\n    var changeVisibilityLinkAttr = function(action) {\n        getTitle(action).then(function(title) {\n            $(SELECTORS.CHANGE_VISIBILITY_LINK).attr({\n                'data-action': action,\n                'title': title\n            });\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Change the attribute values of the user visibility icon in the online users block.\n     *\n     * @method changeVisibilityIconAttr\n     * @param {String} action\n     * @private\n     */\n    var changeVisibilityIconAttr = function(action) {\n        var icon = $(SELECTORS.CHANGE_VISIBILITY_ICON);\n        getTitle(action).then(function(title) {\n            // Add the proper title to the icon.\n            $(icon).attr({\n                'title': title,\n                'aria-label': title\n            });\n            // If the icon is an image.\n            if (icon.is(\"img\")) {\n                $(icon).attr({\n                    'src': M.util.image_url('t/' + action),\n                    'alt': title\n                });\n            } else {\n                // Add the new icon class and remove the old one.\n                $(icon).addClass(getIconClass(action));\n                $(icon).removeClass(getIconClass(oppositeAction(action)));\n            }\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Get the proper class for the user visibility icon in the online users block.\n     *\n     * @method getIconClass\n     * @param {String} action\n     * @return {String}\n     * @private\n     */\n    var getIconClass = function(action) {\n        return action == 'show' ? 'fa-eye-slash' : 'fa-eye';\n    };\n\n    /**\n     * Get the title description of the user visibility link in the online users block.\n     *\n     * @method getTitle\n     * @param {String} action\n     * @return {object} jQuery promise\n     * @private\n     */\n    var getTitle = function(action) {\n        return Str.get_string('online_status:' + action, 'block_online_users');\n    };\n\n    return {\n        // Public variables and functions.\n        /**\n         * Initialise change user visibility function.\n         *\n         * @method init\n         */\n        init: function() {\n            $(SELECTORS.CHANGE_VISIBILITY_LINK).on('click', function(e) {\n                e.preventDefault();\n                var action = ($(this).attr('data-action'));\n                var userid = ($(this).attr('data-userid'));\n                changeVisibility(action, userid);\n            });\n        }\n    };\n});\n"],"file":"change_user_visibility.min.js"}
\ No newline at end of file
+{"version":3,"file":"change_user_visibility.min.js","sources":["../src/change_user_visibility.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module that handles the change of the user's visibility in the\n * online users block.\n *\n * @module     block_online_users/change_user_visibility\n * @package    block_online_users\n * @copyright  2018 Mihail Geshoski <mihail@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/notification'],\n        function($, Ajax, Str, Notification) {\n\n    /**\n     * Selectors.\n     *\n     * @access private\n     * @type {Object}\n     */\n    var SELECTORS = {\n        CHANGE_VISIBILITY_LINK: '#change-user-visibility',\n        CHANGE_VISIBILITY_ICON: '#change-user-visibility .icon'\n    };\n\n    /**\n     * Change user visibility in the online users block.\n     *\n     * @method changeVisibility\n     * @param {String} action\n     * @param {String} userid\n     * @private\n     */\n    var changeVisibility = function(action, userid) {\n\n        var value = action == \"show\" ? 1 : 0;\n        var preferences = [{\n            'name': 'block_online_users_uservisibility',\n            'value': value,\n            'userid': userid\n        }];\n\n        var request = {\n            methodname: 'core_user_set_user_preferences',\n            args: {\n                preferences: preferences\n            }\n        };\n        Ajax.call([request])[0].then(function(data) {\n            if (data.saved) {\n                var newAction = oppositeAction(action);\n                changeVisibilityLinkAttr(newAction);\n                changeVisibilityIconAttr(newAction);\n            }\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Get the opposite action.\n     *\n     * @method oppositeAction\n     * @param {String} action\n     * @return {String}\n     * @private\n     */\n    var oppositeAction = function(action) {\n        return action == 'show' ? 'hide' : 'show';\n    };\n\n    /**\n     * Change the attribute values of the user visibility link in the online users block.\n     *\n     * @method changeVisibilityLinkAttr\n     * @param {String} action\n     * @private\n     */\n    var changeVisibilityLinkAttr = function(action) {\n        getTitle(action).then(function(title) {\n            $(SELECTORS.CHANGE_VISIBILITY_LINK).attr({\n                'data-action': action,\n                'title': title\n            });\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Change the attribute values of the user visibility icon in the online users block.\n     *\n     * @method changeVisibilityIconAttr\n     * @param {String} action\n     * @private\n     */\n    var changeVisibilityIconAttr = function(action) {\n        var icon = $(SELECTORS.CHANGE_VISIBILITY_ICON);\n        getTitle(action).then(function(title) {\n            // Add the proper title to the icon.\n            $(icon).attr({\n                'title': title,\n                'aria-label': title\n            });\n            // If the icon is an image.\n            if (icon.is(\"img\")) {\n                $(icon).attr({\n                    'src': M.util.image_url('t/' + action),\n                    'alt': title\n                });\n            } else {\n                // Add the new icon class and remove the old one.\n                $(icon).addClass(getIconClass(action));\n                $(icon).removeClass(getIconClass(oppositeAction(action)));\n            }\n            return;\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Get the proper class for the user visibility icon in the online users block.\n     *\n     * @method getIconClass\n     * @param {String} action\n     * @return {String}\n     * @private\n     */\n    var getIconClass = function(action) {\n        return action == 'show' ? 'fa-eye-slash' : 'fa-eye';\n    };\n\n    /**\n     * Get the title description of the user visibility link in the online users block.\n     *\n     * @method getTitle\n     * @param {String} action\n     * @return {object} jQuery promise\n     * @private\n     */\n    var getTitle = function(action) {\n        return Str.get_string('online_status:' + action, 'block_online_users');\n    };\n\n    return {\n        // Public variables and functions.\n        /**\n         * Initialise change user visibility function.\n         *\n         * @method init\n         */\n        init: function() {\n            $(SELECTORS.CHANGE_VISIBILITY_LINK).on('click', function(e) {\n                e.preventDefault();\n                var action = ($(this).attr('data-action'));\n                var userid = ($(this).attr('data-userid'));\n                changeVisibility(action, userid);\n            });\n        }\n    };\n});\n"],"names":["define","$","Ajax","Str","Notification","SELECTORS","oppositeAction","action","changeVisibilityLinkAttr","getTitle","then","title","attr","catch","exception","changeVisibilityIconAttr","icon","is","M","util","image_url","addClass","getIconClass","removeClass","get_string","init","on","e","preventDefault","userid","request","methodname","args","preferences","call","data","saved","newAction","changeVisibility","this"],"mappings":";;;;;;;;;AAwBAA,mDAAO,CAAC,SAAU,YAAa,WAAY,sBACnC,SAASC,EAAGC,KAAMC,IAAKC,kBAQvBC,iCACwB,0BADxBA,iCAEwB,gCA4CxBC,eAAiB,SAASC,cACT,QAAVA,OAAmB,OAAS,QAUnCC,yBAA2B,SAASD,QACpCE,SAASF,QAAQG,MAAK,SAASC,OAC3BV,EAAEI,kCAAkCO,KAAK,eACtBL,aACNI,WAGdE,MAAMT,aAAaU,YAUtBC,yBAA2B,SAASR,YAChCS,KAAOf,EAAEI,kCACbI,SAASF,QAAQG,MAAK,SAASC,OAE3BV,EAAEe,MAAMJ,KAAK,OACAD,mBACKA,QAGdK,KAAKC,GAAG,OACRhB,EAAEe,MAAMJ,KAAK,KACFM,EAAEC,KAAKC,UAAU,KAAOb,YACxBI,SAIXV,EAAEe,MAAMK,SAASC,aAAaf,SAC9BN,EAAEe,MAAMO,YAAYD,aAAahB,eAAeC,cAGrDM,MAAMT,aAAaU,YAWtBQ,aAAe,SAASf,cACP,QAAVA,OAAmB,eAAiB,UAW3CE,SAAW,SAASF,eACbJ,IAAIqB,WAAW,iBAAmBjB,OAAQ,6BAG9C,CAOHkB,KAAM,WACFxB,EAAEI,kCAAkCqB,GAAG,SAAS,SAASC,GACrDA,EAAEC,iBArHS,SAASrB,OAAQsB,YAShCC,QAAU,CACVC,WAAY,iCACZC,KAAM,CACFC,YATU,CAAC,MACP,0CAFU,QAAV1B,OAAmB,EAAI,SAIrBsB,WASd3B,KAAKgC,KAAK,CAACJ,UAAU,GAAGpB,MAAK,SAASyB,SAC9BA,KAAKC,MAAO,KACRC,UAAY/B,eAAeC,QAC/BC,yBAAyB6B,WACzBtB,yBAAyBsB,eAG9BxB,MAAMT,aAAaU,WAkGdwB,CAFcrC,EAAEsC,MAAM3B,KAAK,eACbX,EAAEsC,MAAM3B,KAAK"}
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diff --git a/blocks/recentlyaccessedcourses/amd/build/main.min.js b/blocks/recentlyaccessedcourses/amd/build/main.min.js
index 74a1b364182..1d276c7f799 100644
--- a/blocks/recentlyaccessedcourses/amd/build/main.min.js
+++ b/blocks/recentlyaccessedcourses/amd/build/main.min.js
@@ -1,2 +1,11 @@
-define ("block_recentlyaccessedcourses/main",["jquery","core/custom_interaction_events","core/notification","core/pubsub","core/paged_content_paging_bar","core/templates","core_course/events","core_course/repository"],function(a,b,c,d,e,f,g,h){var i={BLOCK_CONTAINER:"[data-region=\"recentlyaccessedcourses\"]",CARD_CONTAINER:"[data-region=\"card-deck\"]",COURSE_IS_FAVOURITE:"[data-region=\"is-favourite\"]",CONTENT:"[data-region=\"view-content\"]",EMPTY_MESSAGE:"[data-region=\"empty-message\"]",LOADING_PLACEHOLDER:"[data-region=\"loading-placeholder\"]",PAGING_BAR:"[data-region=\"paging-bar\"]",PAGING_BAR_NEXT:"[data-control=\"next\"]",PAGING_BAR_PREVIOUS:"[data-control=\"previous\"]"},j=!1,k=[],l=null,m=null,n=0,o=1,p=function(a){a.find(i.EMPTY_MESSAGE).removeClass("hidden");a.find(i.LOADING_PLACEHOLDER).addClass("hidden");a.find(i.CONTENT).addClass("hidden")},q=function(a){a.find(i.CONTENT).removeClass("hidden");a.find(i.EMPTY_MESSAGE).addClass("hidden");a.find(i.LOADING_PLACEHOLDER).addClass("hidden")},r=function(a){var b=a.find(i.PAGING_BAR);b.css("opacity",1);b.css("visibility","visible");b.attr("aria-hidden","false")},s=function(a){var b=a.find(i.PAGING_BAR);b.css("opacity",0);b.css("visibility","hidden");b.attr("aria-hidden","true")},t=function(a,b){k.forEach(function(a){if(a.attr("data-course-id")==b){a.find(i.COURSE_IS_FAVOURITE).removeClass("hidden")}})},u=function(a,b){k.forEach(function(a){if(a.attr("data-course-id")==b){a.find(i.COURSE_IS_FAVOURITE).addClass("hidden")}})},v=function(b){var d=a(i.BLOCK_CONTAINER).data("displaycoursecategory"),e=b.map(function(a){a.showcoursecategory=d;return f.render("block_recentlyaccessedcourses/course-card",a)});return a.when.apply(null,e).then(function(){var b=[];e.forEach(function(d){d.then(function(c){b.push(a(c))}).catch(c.exception)});return b})},w=function(a){return h.getLastAccessedCourses(a,10).then(function(a){return v(a)})},x=function(a){var b=a.find(i.CONTENT).find(i.CARD_CONTAINER),c=parseFloat(a.css("width")),d=k.length,f=0;if(!m){b.html(k[0]);m=k[0].outerWidth(!0)}o=Math.floor(c/m);if(n+o<d){f=n}else{var g=n+o-d;f=n-g;f=0<=f?f:0}if(0===o){o=1}var h=k.slice(f,f+o),j=h.reduce(function(a,b){return a+b.attr("data-course-id")},"");if(k.length>h.length){b.addClass("justify-content-center");b.removeClass("justify-content-start")}else{b.removeClass("justify-content-center");b.addClass("justify-content-start")}if(l!=j){var p=a.find(e.rootSelector);b.html(h);l=j;if(o>=k.length){s(a)}else{r(a);if(0===n){e.disablePreviousControlButtons(p)}else{e.enablePreviousControlButtons(p)}if(n+o>=k.length){e.disableNextControlButtons(p)}else{e.enableNextControlButtons(p)}}}},y=function(c){var e=null,f=!1;d.subscribe(g.favourited,function(a){t(c,a)});d.subscribe(g.unfavorited,function(a){u(c,a)});d.subscribe("nav-drawer-toggle-start",function(){if(!j||!k.length||f){return}f=!0;var a=0,b=function(){setTimeout(function(){x(c);a++;if(5>a&&f){b()}},100)};b(c)});d.subscribe("nav-drawer-toggle-end",function(){f=!1});a(window).on("resize",function(){if(!j||!k.length){return}if(!e){e=setTimeout(function(){e=null;x(c)},66)}});b.define(c,[b.events.activate]);c.on(b.events.activate,i.PAGING_BAR_NEXT,function(b,d){var e=a(b.target).closest(i.PAGING_BAR_NEXT);if(!e.hasClass("disabled")){n=n+o;x(c)}d.originalEvent.preventDefault()});c.on(b.events.activate,i.PAGING_BAR_PREVIOUS,function(b,d){var e=a(b.target).closest(i.PAGING_BAR_PREVIOUS);if(!e.hasClass("disabled")){n=n-o;n=0>n?0:n;x(c)}d.originalEvent.preventDefault()})};return{init:function init(b,d){d=a(d);y(d);w(b).then(function(a){k=a;j=!0;if(k.length){q(d);x(d)}else{p(d)}}).catch(c.exception)}}});
-//# sourceMappingURL=main.min.js.map
+/**
+ * Javascript to initialise the Recently accessed courses block.
+ *
+ * @module     block_recentlyaccessedcourses/main.js
+ * @package    block_recentlyaccessedcourses
+ * @copyright  2018 Victor Deniz <victor@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_recentlyaccessedcourses/main",["jquery","core/custom_interaction_events","core/notification","core/pubsub","core/paged_content_paging_bar","core/templates","core_course/events","core_course/repository"],(function($,CustomEvents,Notification,PubSub,PagedContentPagingBar,Templates,CourseEvents,CoursesRepository){var SELECTORS_BLOCK_CONTAINER='[data-region="recentlyaccessedcourses"]',SELECTORS_CARD_CONTAINER='[data-region="card-deck"]',SELECTORS_COURSE_IS_FAVOURITE='[data-region="is-favourite"]',SELECTORS_CONTENT='[data-region="view-content"]',SELECTORS_EMPTY_MESSAGE='[data-region="empty-message"]',SELECTORS_LOADING_PLACEHOLDER='[data-region="loading-placeholder"]',SELECTORS_PAGING_BAR='[data-region="paging-bar"]',SELECTORS_PAGING_BAR_NEXT='[data-control="next"]',SELECTORS_PAGING_BAR_PREVIOUS='[data-control="previous"]',contentLoaded=!1,allCourses=[],visibleCoursesId=null,cardWidth=null,viewIndex=0,availableVisibleCards=1,loadContent=function(userid){return CoursesRepository.getLastAccessedCourses(userid,10).then((function(courses){return function(courses){var showcoursecategory=$(SELECTORS_BLOCK_CONTAINER).data("displaycoursecategory"),promises=courses.map((function(course){return course.showcoursecategory=showcoursecategory,Templates.render("block_recentlyaccessedcourses/course-card",course)}));return $.when.apply(null,promises).then((function(){var renderedCourses=[];return promises.forEach((function(promise){promise.then((function(html){renderedCourses.push($(html))})).catch(Notification.exception)})),renderedCourses}))}(courses)}))},recalculateVisibleCourses=function(root){var container=root.find(SELECTORS_CONTENT).find(SELECTORS_CARD_CONTAINER),availableWidth=parseFloat(root.css("width")),numberOfCourses=allCourses.length,start=0;(cardWidth||(container.html(allCourses[0]),cardWidth=allCourses[0].outerWidth(!0)),availableVisibleCards=Math.floor(availableWidth/cardWidth),viewIndex+availableVisibleCards<numberOfCourses)?start=viewIndex:start=(start=viewIndex-(viewIndex+availableVisibleCards-numberOfCourses))>=0?start:0;0===availableVisibleCards&&(availableVisibleCards=1);var coursesToShow=allCourses.slice(start,start+availableVisibleCards),newVisibleCoursesId=coursesToShow.reduce((function(carry,course){return carry+course.attr("data-course-id")}),"");if(allCourses.length>coursesToShow.length?(container.addClass("justify-content-center"),container.removeClass("justify-content-start")):(container.removeClass("justify-content-center"),container.addClass("justify-content-start")),visibleCoursesId!=newVisibleCoursesId){var pagingBar=root.find(PagedContentPagingBar.rootSelector);container.html(coursesToShow),visibleCoursesId=newVisibleCoursesId,availableVisibleCards>=allCourses.length?function(root){var pagingBar=root.find(SELECTORS_PAGING_BAR);pagingBar.css("opacity",0),pagingBar.css("visibility","hidden"),pagingBar.attr("aria-hidden","true")}(root):(!function(root){var pagingBar=root.find(SELECTORS_PAGING_BAR);pagingBar.css("opacity",1),pagingBar.css("visibility","visible"),pagingBar.attr("aria-hidden","false")}(root),0===viewIndex?PagedContentPagingBar.disablePreviousControlButtons(pagingBar):PagedContentPagingBar.enablePreviousControlButtons(pagingBar),viewIndex+availableVisibleCards>=allCourses.length?PagedContentPagingBar.disableNextControlButtons(pagingBar):PagedContentPagingBar.enableNextControlButtons(pagingBar))}},registerEventListeners=function(root){var resizeTimeout=null,drawerToggling=!1;PubSub.subscribe(CourseEvents.favourited,(function(courseId){!function(root,courseId){allCourses.forEach((function(course){course.attr("data-course-id")==courseId&&course.find(SELECTORS_COURSE_IS_FAVOURITE).removeClass("hidden")}))}(0,courseId)})),PubSub.subscribe(CourseEvents.unfavorited,(function(courseId){!function(root,courseId){allCourses.forEach((function(course){course.attr("data-course-id")==courseId&&course.find(SELECTORS_COURSE_IS_FAVOURITE).addClass("hidden")}))}(0,courseId)})),PubSub.subscribe("nav-drawer-toggle-start",(function(){if(contentLoaded&&allCourses.length&&!drawerToggling){drawerToggling=!0;var recalculationCount=0;!function doRecalculation(){setTimeout((function(){recalculateVisibleCourses(root),++recalculationCount<5&&drawerToggling&&doRecalculation()}),100)}()}})),PubSub.subscribe("nav-drawer-toggle-end",(function(){drawerToggling=!1})),$(window).on("resize",(function(){contentLoaded&&allCourses.length&&(resizeTimeout||(resizeTimeout=setTimeout((function(){resizeTimeout=null,recalculateVisibleCourses(root)}),66)))})),CustomEvents.define(root,[CustomEvents.events.activate]),root.on(CustomEvents.events.activate,SELECTORS_PAGING_BAR_NEXT,(function(e,data){$(e.target).closest(SELECTORS_PAGING_BAR_NEXT).hasClass("disabled")||(viewIndex+=availableVisibleCards,recalculateVisibleCourses(root)),data.originalEvent.preventDefault()})),root.on(CustomEvents.events.activate,SELECTORS_PAGING_BAR_PREVIOUS,(function(e,data){$(e.target).closest(SELECTORS_PAGING_BAR_PREVIOUS).hasClass("disabled")||(viewIndex=(viewIndex-=availableVisibleCards)<0?0:viewIndex,recalculateVisibleCourses(root)),data.originalEvent.preventDefault()}))};return{init:function(userid,root){root=$(root),registerEventListeners(root),loadContent(userid).then((function(renderedCourses){contentLoaded=!0,(allCourses=renderedCourses).length?(!function(root){root.find(SELECTORS_CONTENT).removeClass("hidden"),root.find(SELECTORS_EMPTY_MESSAGE).addClass("hidden"),root.find(SELECTORS_LOADING_PLACEHOLDER).addClass("hidden")}(root),recalculateVisibleCourses(root)):function(root){root.find(SELECTORS_EMPTY_MESSAGE).removeClass("hidden"),root.find(SELECTORS_LOADING_PLACEHOLDER).addClass("hidden"),root.find(SELECTORS_CONTENT).addClass("hidden")}(root)})).catch(Notification.exception)}}}));
+
+//# sourceMappingURL=main.min.js.map
\ No newline at end of file
diff --git a/blocks/recentlyaccessedcourses/amd/build/main.min.js.map b/blocks/recentlyaccessedcourses/amd/build/main.min.js.map
index 3876cd1473c..07f247286be 100644
--- a/blocks/recentlyaccessedcourses/amd/build/main.min.js.map
+++ b/blocks/recentlyaccessedcourses/amd/build/main.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the Recently accessed courses block.\n *\n * @module     block_recentlyaccessedcourses/main.js\n * @package    block_recentlyaccessedcourses\n * @copyright  2018 Victor Deniz <victor@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n    [\n        'jquery',\n        'core/custom_interaction_events',\n        'core/notification',\n        'core/pubsub',\n        'core/paged_content_paging_bar',\n        'core/templates',\n        'core_course/events',\n        'core_course/repository',\n    ],\n    function(\n        $,\n        CustomEvents,\n        Notification,\n        PubSub,\n        PagedContentPagingBar,\n        Templates,\n        CourseEvents,\n        CoursesRepository\n    ) {\n\n        // Constants.\n        var NUM_COURSES_TOTAL = 10;\n        var SELECTORS = {\n            BLOCK_CONTAINER: '[data-region=\"recentlyaccessedcourses\"]',\n            CARD_CONTAINER: '[data-region=\"card-deck\"]',\n            COURSE_IS_FAVOURITE: '[data-region=\"is-favourite\"]',\n            CONTENT: '[data-region=\"view-content\"]',\n            EMPTY_MESSAGE: '[data-region=\"empty-message\"]',\n            LOADING_PLACEHOLDER: '[data-region=\"loading-placeholder\"]',\n            PAGING_BAR: '[data-region=\"paging-bar\"]',\n            PAGING_BAR_NEXT: '[data-control=\"next\"]',\n            PAGING_BAR_PREVIOUS: '[data-control=\"previous\"]'\n        };\n        // Module variables.\n        var contentLoaded = false;\n        var allCourses = [];\n        var visibleCoursesId = null;\n        var cardWidth = null;\n        var viewIndex = 0;\n        var availableVisibleCards = 1;\n\n        /**\n         * Show the empty message when no course are found.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var showEmptyMessage = function(root) {\n            root.find(SELECTORS.EMPTY_MESSAGE).removeClass('hidden');\n            root.find(SELECTORS.LOADING_PLACEHOLDER).addClass('hidden');\n            root.find(SELECTORS.CONTENT).addClass('hidden');\n        };\n\n        /**\n         * Show the empty message when no course are found.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var showContent = function(root) {\n            root.find(SELECTORS.CONTENT).removeClass('hidden');\n            root.find(SELECTORS.EMPTY_MESSAGE).addClass('hidden');\n            root.find(SELECTORS.LOADING_PLACEHOLDER).addClass('hidden');\n        };\n\n        /**\n         * Show the paging bar.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var showPagingBar = function(root) {\n            var pagingBar = root.find(SELECTORS.PAGING_BAR);\n            pagingBar.css('opacity', 1);\n            pagingBar.css('visibility', 'visible');\n            pagingBar.attr('aria-hidden', 'false');\n        };\n\n        /**\n         * Hide the paging bar.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var hidePagingBar = function(root) {\n            var pagingBar = root.find(SELECTORS.PAGING_BAR);\n            pagingBar.css('opacity', 0);\n            pagingBar.css('visibility', 'hidden');\n            pagingBar.attr('aria-hidden', 'true');\n        };\n\n        /**\n         * Show the favourite indicator for the given course (if it's in the list).\n         *\n         * @param {object} root The root element for the courses view.\n         * @param {number} courseId The id of the course to be favourited.\n         */\n        var favouriteCourse = function(root, courseId) {\n            allCourses.forEach(function(course) {\n                if (course.attr('data-course-id') == courseId) {\n                    course.find(SELECTORS.COURSE_IS_FAVOURITE).removeClass('hidden');\n                }\n            });\n        };\n\n        /**\n         * Hide the favourite indicator for the given course (if it's in the list).\n         *\n         * @param {object} root The root element for the courses view.\n         * @param {number} courseId The id of the course to be unfavourited.\n         */\n        var unfavouriteCourse = function(root, courseId) {\n            allCourses.forEach(function(course) {\n                if (course.attr('data-course-id') == courseId) {\n                    course.find(SELECTORS.COURSE_IS_FAVOURITE).addClass('hidden');\n                }\n            });\n        };\n\n        /**\n         * Render the a list of courses.\n         *\n         * @param {array} courses containing array of courses.\n         * @return {promise} Resolved with list of rendered courses as jQuery objects.\n         */\n        var renderAllCourses = function(courses) {\n            var showcoursecategory = $(SELECTORS.BLOCK_CONTAINER).data('displaycoursecategory');\n            var promises = courses.map(function(course) {\n                course.showcoursecategory = showcoursecategory;\n                return Templates.render('block_recentlyaccessedcourses/course-card', course);\n            });\n\n            return $.when.apply(null, promises).then(function() {\n                var renderedCourses = [];\n\n                promises.forEach(function(promise) {\n                    promise.then(function(html) {\n                        renderedCourses.push($(html));\n                        return;\n                    })\n                    .catch(Notification.exception);\n                });\n\n                return renderedCourses;\n            });\n        };\n\n        /**\n         * Fetch user's recently accessed courses and reload the content of the block.\n         *\n         * @param {int} userid User whose courses will be shown\n         * @returns {promise} The updated content for the block.\n         */\n        var loadContent = function(userid) {\n            return CoursesRepository.getLastAccessedCourses(userid, NUM_COURSES_TOTAL)\n                .then(function(courses) {\n                    return renderAllCourses(courses);\n                });\n        };\n\n        /**\n         * Recalculate the number of courses that should be visible.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var recalculateVisibleCourses = function(root) {\n            var container = root.find(SELECTORS.CONTENT).find(SELECTORS.CARD_CONTAINER);\n            var availableWidth = parseFloat(root.css('width'));\n            var numberOfCourses = allCourses.length;\n            var start = 0;\n\n            if (!cardWidth) {\n                container.html(allCourses[0]);\n                // Render one card initially to calculate the width of the cards\n                // including the margins.\n                cardWidth = allCourses[0].outerWidth(true);\n            }\n\n            availableVisibleCards = Math.floor(availableWidth / cardWidth);\n\n            if (viewIndex + availableVisibleCards < numberOfCourses) {\n                start = viewIndex;\n            } else {\n                var overflow = (viewIndex + availableVisibleCards) - numberOfCourses;\n                start = viewIndex - overflow;\n                start = start >= 0 ? start : 0;\n            }\n\n            // At least show one card.\n            if (availableVisibleCards === 0) {\n                availableVisibleCards = 1;\n            }\n\n            var coursesToShow = allCourses.slice(start, start + availableVisibleCards);\n            // Create an id for the list of courses we expect to be displayed.\n            var newVisibleCoursesId = coursesToShow.reduce(function(carry, course) {\n                return carry + course.attr('data-course-id');\n            }, '');\n\n            // Centre the courses if we have an overflow of courses.\n            if (allCourses.length > coursesToShow.length) {\n                container.addClass('justify-content-center');\n                container.removeClass('justify-content-start');\n            } else {\n                container.removeClass('justify-content-center');\n                container.addClass('justify-content-start');\n            }\n\n            // Don't bother updating the DOM unless the visible courses have changed.\n            if (visibleCoursesId != newVisibleCoursesId) {\n                var pagingBar = root.find(PagedContentPagingBar.rootSelector);\n                container.html(coursesToShow);\n                visibleCoursesId = newVisibleCoursesId;\n\n                if (availableVisibleCards >= allCourses.length) {\n                    hidePagingBar(root);\n                } else {\n                    showPagingBar(root);\n\n                    if (viewIndex === 0) {\n                        PagedContentPagingBar.disablePreviousControlButtons(pagingBar);\n                    } else {\n                        PagedContentPagingBar.enablePreviousControlButtons(pagingBar);\n                    }\n\n                    if (viewIndex + availableVisibleCards >= allCourses.length) {\n                        PagedContentPagingBar.disableNextControlButtons(pagingBar);\n                    } else {\n                        PagedContentPagingBar.enableNextControlButtons(pagingBar);\n                    }\n                }\n            }\n        };\n\n        /**\n         * Register event listeners for the block.\n         *\n         * @param {object} root The root element for the recentlyaccessedcourses block.\n         */\n        var registerEventListeners = function(root) {\n            var resizeTimeout = null;\n            var drawerToggling = false;\n\n            PubSub.subscribe(CourseEvents.favourited, function(courseId) {\n                favouriteCourse(root, courseId);\n            });\n\n            PubSub.subscribe(CourseEvents.unfavorited, function(courseId) {\n                unfavouriteCourse(root, courseId);\n            });\n\n            PubSub.subscribe('nav-drawer-toggle-start', function() {\n                if (!contentLoaded || !allCourses.length || drawerToggling) {\n                    // Nothing to recalculate.\n                    return;\n                }\n\n                drawerToggling = true;\n                var recalculationCount = 0;\n                // This function is going to recalculate the number of courses while\n                // the nav drawer is opening or closes (up to a maximum of 5 recalcs).\n                var doRecalculation = function() {\n                    setTimeout(function() {\n                        recalculateVisibleCourses(root);\n                        recalculationCount++;\n\n                        if (recalculationCount < 5 && drawerToggling) {\n                            // If we haven't done too many recalculations and the drawer\n                            // is still toggling then recurse.\n                            doRecalculation();\n                        }\n                    }, 100);\n                };\n\n                // Start the recalculations.\n                doRecalculation(root);\n            });\n\n            PubSub.subscribe('nav-drawer-toggle-end', function() {\n                drawerToggling = false;\n            });\n\n            $(window).on('resize', function() {\n                if (!contentLoaded || !allCourses.length) {\n                    // Nothing to reclculate.\n                    return;\n                }\n\n                // Resize events fire rapidly so recalculating the visible courses each\n                // time can be expensive. Let's debounce them,\n                if (!resizeTimeout) {\n                    resizeTimeout = setTimeout(function() {\n                        resizeTimeout = null;\n                        recalculateVisibleCourses(root);\n                    // The recalculateVisibleCourses function will execute at a rate of 15fps.\n                    }, 66);\n                }\n            });\n\n            CustomEvents.define(root, [CustomEvents.events.activate]);\n            root.on(CustomEvents.events.activate, SELECTORS.PAGING_BAR_NEXT, function(e, data) {\n                var button = $(e.target).closest(SELECTORS.PAGING_BAR_NEXT);\n                if (!button.hasClass('disabled')) {\n                    viewIndex = viewIndex + availableVisibleCards;\n                    recalculateVisibleCourses(root);\n                }\n\n                data.originalEvent.preventDefault();\n            });\n\n            root.on(CustomEvents.events.activate, SELECTORS.PAGING_BAR_PREVIOUS, function(e, data) {\n                var button = $(e.target).closest(SELECTORS.PAGING_BAR_PREVIOUS);\n                if (!button.hasClass('disabled')) {\n                    viewIndex = viewIndex - availableVisibleCards;\n                    viewIndex = viewIndex < 0 ? 0 : viewIndex;\n                    recalculateVisibleCourses(root);\n                }\n\n                data.originalEvent.preventDefault();\n            });\n        };\n\n        /**\n         * Get and show the recent courses into the block.\n         *\n         * @param {int} userid User from which the courses will be obtained\n         * @param {object} root The root element for the recentlyaccessedcourses block.\n         */\n        var init = function(userid, root) {\n            root = $(root);\n\n            registerEventListeners(root);\n            loadContent(userid)\n                .then(function(renderedCourses) {\n                    allCourses = renderedCourses;\n                    contentLoaded = true;\n\n                    if (allCourses.length) {\n                        showContent(root);\n                        recalculateVisibleCourses(root);\n                    } else {\n                        showEmptyMessage(root);\n                    }\n\n                    return;\n                })\n                .catch(Notification.exception);\n        };\n\n        return {\n            init: init\n        };\n    });\n"],"file":"main.min.js"}
\ No newline at end of file
+{"version":3,"file":"main.min.js","sources":["../src/main.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the Recently accessed courses block.\n *\n * @module     block_recentlyaccessedcourses/main.js\n * @package    block_recentlyaccessedcourses\n * @copyright  2018 Victor Deniz <victor@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n    [\n        'jquery',\n        'core/custom_interaction_events',\n        'core/notification',\n        'core/pubsub',\n        'core/paged_content_paging_bar',\n        'core/templates',\n        'core_course/events',\n        'core_course/repository',\n    ],\n    function(\n        $,\n        CustomEvents,\n        Notification,\n        PubSub,\n        PagedContentPagingBar,\n        Templates,\n        CourseEvents,\n        CoursesRepository\n    ) {\n\n        // Constants.\n        var NUM_COURSES_TOTAL = 10;\n        var SELECTORS = {\n            BLOCK_CONTAINER: '[data-region=\"recentlyaccessedcourses\"]',\n            CARD_CONTAINER: '[data-region=\"card-deck\"]',\n            COURSE_IS_FAVOURITE: '[data-region=\"is-favourite\"]',\n            CONTENT: '[data-region=\"view-content\"]',\n            EMPTY_MESSAGE: '[data-region=\"empty-message\"]',\n            LOADING_PLACEHOLDER: '[data-region=\"loading-placeholder\"]',\n            PAGING_BAR: '[data-region=\"paging-bar\"]',\n            PAGING_BAR_NEXT: '[data-control=\"next\"]',\n            PAGING_BAR_PREVIOUS: '[data-control=\"previous\"]'\n        };\n        // Module variables.\n        var contentLoaded = false;\n        var allCourses = [];\n        var visibleCoursesId = null;\n        var cardWidth = null;\n        var viewIndex = 0;\n        var availableVisibleCards = 1;\n\n        /**\n         * Show the empty message when no course are found.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var showEmptyMessage = function(root) {\n            root.find(SELECTORS.EMPTY_MESSAGE).removeClass('hidden');\n            root.find(SELECTORS.LOADING_PLACEHOLDER).addClass('hidden');\n            root.find(SELECTORS.CONTENT).addClass('hidden');\n        };\n\n        /**\n         * Show the empty message when no course are found.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var showContent = function(root) {\n            root.find(SELECTORS.CONTENT).removeClass('hidden');\n            root.find(SELECTORS.EMPTY_MESSAGE).addClass('hidden');\n            root.find(SELECTORS.LOADING_PLACEHOLDER).addClass('hidden');\n        };\n\n        /**\n         * Show the paging bar.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var showPagingBar = function(root) {\n            var pagingBar = root.find(SELECTORS.PAGING_BAR);\n            pagingBar.css('opacity', 1);\n            pagingBar.css('visibility', 'visible');\n            pagingBar.attr('aria-hidden', 'false');\n        };\n\n        /**\n         * Hide the paging bar.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var hidePagingBar = function(root) {\n            var pagingBar = root.find(SELECTORS.PAGING_BAR);\n            pagingBar.css('opacity', 0);\n            pagingBar.css('visibility', 'hidden');\n            pagingBar.attr('aria-hidden', 'true');\n        };\n\n        /**\n         * Show the favourite indicator for the given course (if it's in the list).\n         *\n         * @param {object} root The root element for the courses view.\n         * @param {number} courseId The id of the course to be favourited.\n         */\n        var favouriteCourse = function(root, courseId) {\n            allCourses.forEach(function(course) {\n                if (course.attr('data-course-id') == courseId) {\n                    course.find(SELECTORS.COURSE_IS_FAVOURITE).removeClass('hidden');\n                }\n            });\n        };\n\n        /**\n         * Hide the favourite indicator for the given course (if it's in the list).\n         *\n         * @param {object} root The root element for the courses view.\n         * @param {number} courseId The id of the course to be unfavourited.\n         */\n        var unfavouriteCourse = function(root, courseId) {\n            allCourses.forEach(function(course) {\n                if (course.attr('data-course-id') == courseId) {\n                    course.find(SELECTORS.COURSE_IS_FAVOURITE).addClass('hidden');\n                }\n            });\n        };\n\n        /**\n         * Render the a list of courses.\n         *\n         * @param {array} courses containing array of courses.\n         * @return {promise} Resolved with list of rendered courses as jQuery objects.\n         */\n        var renderAllCourses = function(courses) {\n            var showcoursecategory = $(SELECTORS.BLOCK_CONTAINER).data('displaycoursecategory');\n            var promises = courses.map(function(course) {\n                course.showcoursecategory = showcoursecategory;\n                return Templates.render('block_recentlyaccessedcourses/course-card', course);\n            });\n\n            return $.when.apply(null, promises).then(function() {\n                var renderedCourses = [];\n\n                promises.forEach(function(promise) {\n                    promise.then(function(html) {\n                        renderedCourses.push($(html));\n                        return;\n                    })\n                    .catch(Notification.exception);\n                });\n\n                return renderedCourses;\n            });\n        };\n\n        /**\n         * Fetch user's recently accessed courses and reload the content of the block.\n         *\n         * @param {int} userid User whose courses will be shown\n         * @returns {promise} The updated content for the block.\n         */\n        var loadContent = function(userid) {\n            return CoursesRepository.getLastAccessedCourses(userid, NUM_COURSES_TOTAL)\n                .then(function(courses) {\n                    return renderAllCourses(courses);\n                });\n        };\n\n        /**\n         * Recalculate the number of courses that should be visible.\n         *\n         * @param {object} root The root element for the courses view.\n         */\n        var recalculateVisibleCourses = function(root) {\n            var container = root.find(SELECTORS.CONTENT).find(SELECTORS.CARD_CONTAINER);\n            var availableWidth = parseFloat(root.css('width'));\n            var numberOfCourses = allCourses.length;\n            var start = 0;\n\n            if (!cardWidth) {\n                container.html(allCourses[0]);\n                // Render one card initially to calculate the width of the cards\n                // including the margins.\n                cardWidth = allCourses[0].outerWidth(true);\n            }\n\n            availableVisibleCards = Math.floor(availableWidth / cardWidth);\n\n            if (viewIndex + availableVisibleCards < numberOfCourses) {\n                start = viewIndex;\n            } else {\n                var overflow = (viewIndex + availableVisibleCards) - numberOfCourses;\n                start = viewIndex - overflow;\n                start = start >= 0 ? start : 0;\n            }\n\n            // At least show one card.\n            if (availableVisibleCards === 0) {\n                availableVisibleCards = 1;\n            }\n\n            var coursesToShow = allCourses.slice(start, start + availableVisibleCards);\n            // Create an id for the list of courses we expect to be displayed.\n            var newVisibleCoursesId = coursesToShow.reduce(function(carry, course) {\n                return carry + course.attr('data-course-id');\n            }, '');\n\n            // Centre the courses if we have an overflow of courses.\n            if (allCourses.length > coursesToShow.length) {\n                container.addClass('justify-content-center');\n                container.removeClass('justify-content-start');\n            } else {\n                container.removeClass('justify-content-center');\n                container.addClass('justify-content-start');\n            }\n\n            // Don't bother updating the DOM unless the visible courses have changed.\n            if (visibleCoursesId != newVisibleCoursesId) {\n                var pagingBar = root.find(PagedContentPagingBar.rootSelector);\n                container.html(coursesToShow);\n                visibleCoursesId = newVisibleCoursesId;\n\n                if (availableVisibleCards >= allCourses.length) {\n                    hidePagingBar(root);\n                } else {\n                    showPagingBar(root);\n\n                    if (viewIndex === 0) {\n                        PagedContentPagingBar.disablePreviousControlButtons(pagingBar);\n                    } else {\n                        PagedContentPagingBar.enablePreviousControlButtons(pagingBar);\n                    }\n\n                    if (viewIndex + availableVisibleCards >= allCourses.length) {\n                        PagedContentPagingBar.disableNextControlButtons(pagingBar);\n                    } else {\n                        PagedContentPagingBar.enableNextControlButtons(pagingBar);\n                    }\n                }\n            }\n        };\n\n        /**\n         * Register event listeners for the block.\n         *\n         * @param {object} root The root element for the recentlyaccessedcourses block.\n         */\n        var registerEventListeners = function(root) {\n            var resizeTimeout = null;\n            var drawerToggling = false;\n\n            PubSub.subscribe(CourseEvents.favourited, function(courseId) {\n                favouriteCourse(root, courseId);\n            });\n\n            PubSub.subscribe(CourseEvents.unfavorited, function(courseId) {\n                unfavouriteCourse(root, courseId);\n            });\n\n            PubSub.subscribe('nav-drawer-toggle-start', function() {\n                if (!contentLoaded || !allCourses.length || drawerToggling) {\n                    // Nothing to recalculate.\n                    return;\n                }\n\n                drawerToggling = true;\n                var recalculationCount = 0;\n                // This function is going to recalculate the number of courses while\n                // the nav drawer is opening or closes (up to a maximum of 5 recalcs).\n                var doRecalculation = function() {\n                    setTimeout(function() {\n                        recalculateVisibleCourses(root);\n                        recalculationCount++;\n\n                        if (recalculationCount < 5 && drawerToggling) {\n                            // If we haven't done too many recalculations and the drawer\n                            // is still toggling then recurse.\n                            doRecalculation();\n                        }\n                    }, 100);\n                };\n\n                // Start the recalculations.\n                doRecalculation(root);\n            });\n\n            PubSub.subscribe('nav-drawer-toggle-end', function() {\n                drawerToggling = false;\n            });\n\n            $(window).on('resize', function() {\n                if (!contentLoaded || !allCourses.length) {\n                    // Nothing to reclculate.\n                    return;\n                }\n\n                // Resize events fire rapidly so recalculating the visible courses each\n                // time can be expensive. Let's debounce them,\n                if (!resizeTimeout) {\n                    resizeTimeout = setTimeout(function() {\n                        resizeTimeout = null;\n                        recalculateVisibleCourses(root);\n                    // The recalculateVisibleCourses function will execute at a rate of 15fps.\n                    }, 66);\n                }\n            });\n\n            CustomEvents.define(root, [CustomEvents.events.activate]);\n            root.on(CustomEvents.events.activate, SELECTORS.PAGING_BAR_NEXT, function(e, data) {\n                var button = $(e.target).closest(SELECTORS.PAGING_BAR_NEXT);\n                if (!button.hasClass('disabled')) {\n                    viewIndex = viewIndex + availableVisibleCards;\n                    recalculateVisibleCourses(root);\n                }\n\n                data.originalEvent.preventDefault();\n            });\n\n            root.on(CustomEvents.events.activate, SELECTORS.PAGING_BAR_PREVIOUS, function(e, data) {\n                var button = $(e.target).closest(SELECTORS.PAGING_BAR_PREVIOUS);\n                if (!button.hasClass('disabled')) {\n                    viewIndex = viewIndex - availableVisibleCards;\n                    viewIndex = viewIndex < 0 ? 0 : viewIndex;\n                    recalculateVisibleCourses(root);\n                }\n\n                data.originalEvent.preventDefault();\n            });\n        };\n\n        /**\n         * Get and show the recent courses into the block.\n         *\n         * @param {int} userid User from which the courses will be obtained\n         * @param {object} root The root element for the recentlyaccessedcourses block.\n         */\n        var init = function(userid, root) {\n            root = $(root);\n\n            registerEventListeners(root);\n            loadContent(userid)\n                .then(function(renderedCourses) {\n                    allCourses = renderedCourses;\n                    contentLoaded = true;\n\n                    if (allCourses.length) {\n                        showContent(root);\n                        recalculateVisibleCourses(root);\n                    } else {\n                        showEmptyMessage(root);\n                    }\n\n                    return;\n                })\n                .catch(Notification.exception);\n        };\n\n        return {\n            init: init\n        };\n    });\n"],"names":["define","$","CustomEvents","Notification","PubSub","PagedContentPagingBar","Templates","CourseEvents","CoursesRepository","SELECTORS","contentLoaded","allCourses","visibleCoursesId","cardWidth","viewIndex","availableVisibleCards","loadContent","userid","getLastAccessedCourses","then","courses","showcoursecategory","data","promises","map","course","render","when","apply","renderedCourses","forEach","promise","html","push","catch","exception","renderAllCourses","recalculateVisibleCourses","root","container","find","availableWidth","parseFloat","css","numberOfCourses","length","start","outerWidth","Math","floor","coursesToShow","slice","newVisibleCoursesId","reduce","carry","attr","addClass","removeClass","pagingBar","rootSelector","hidePagingBar","showPagingBar","disablePreviousControlButtons","enablePreviousControlButtons","disableNextControlButtons","enableNextControlButtons","registerEventListeners","resizeTimeout","drawerToggling","subscribe","favourited","courseId","favouriteCourse","unfavorited","unfavouriteCourse","recalculationCount","doRecalculation","setTimeout","window","on","events","activate","e","target","closest","hasClass","originalEvent","preventDefault","init","showContent","showEmptyMessage"],"mappings":";;;;;;;;AAwBAA,4CACI,CACI,SACA,iCACA,oBACA,cACA,gCACA,iBACA,qBACA,2BAEJ,SACIC,EACAC,aACAC,aACAC,OACAC,sBACAC,UACAC,aACAC,uBAKIC,0BACiB,0CADjBA,yBAEgB,4BAFhBA,8BAGqB,+BAHrBA,kBAIS,+BAJTA,wBAKe,gCALfA,8BAMqB,sCANrBA,qBAOY,6BAPZA,0BAQiB,wBARjBA,8BASqB,4BAGrBC,eAAgB,EAChBC,WAAa,GACbC,iBAAmB,KACnBC,UAAY,KACZC,UAAY,EACZC,sBAAwB,EA8GxBC,YAAc,SAASC,eAChBT,kBAAkBU,uBAAuBD,OAjI5B,IAkIfE,MAAK,SAASC,gBA9BA,SAASA,aACxBC,mBAAqBpB,EAAEQ,2BAA2Ba,KAAK,yBACvDC,SAAWH,QAAQI,KAAI,SAASC,eAChCA,OAAOJ,mBAAqBA,mBACrBf,UAAUoB,OAAO,4CAA6CD,kBAGlExB,EAAE0B,KAAKC,MAAM,KAAML,UAAUJ,MAAK,eACjCU,gBAAkB,UAEtBN,SAASO,SAAQ,SAASC,SACtBA,QAAQZ,MAAK,SAASa,MAClBH,gBAAgBI,KAAKhC,EAAE+B,UAG1BE,MAAM/B,aAAagC,cAGjBN,mBAaIO,CAAiBhB,aAShCiB,0BAA4B,SAASC,UACjCC,UAAYD,KAAKE,KAAK/B,mBAAmB+B,KAAK/B,0BAC9CgC,eAAiBC,WAAWJ,KAAKK,IAAI,UACrCC,gBAAkBjC,WAAWkC,OAC7BC,MAAQ,GAEPjC,YACD0B,UAAUP,KAAKrB,WAAW,IAG1BE,UAAYF,WAAW,GAAGoC,YAAW,IAGzChC,sBAAwBiC,KAAKC,MAAMR,eAAiB5B,WAEhDC,UAAYC,sBAAwB6B,iBACpCE,MAAQhC,UAIRgC,OADAA,MAAQhC,WADQA,UAAYC,sBAAyB6B,mBAEpC,EAAIE,MAAQ,EAIH,IAA1B/B,wBACAA,sBAAwB,OAGxBmC,cAAgBvC,WAAWwC,MAAML,MAAOA,MAAQ/B,uBAEhDqC,oBAAsBF,cAAcG,QAAO,SAASC,MAAO7B,eACpD6B,MAAQ7B,OAAO8B,KAAK,oBAC5B,OAGC5C,WAAWkC,OAASK,cAAcL,QAClCN,UAAUiB,SAAS,0BACnBjB,UAAUkB,YAAY,2BAEtBlB,UAAUkB,YAAY,0BACtBlB,UAAUiB,SAAS,0BAInB5C,kBAAoBwC,oBAAqB,KACrCM,UAAYpB,KAAKE,KAAKnC,sBAAsBsD,cAChDpB,UAAUP,KAAKkB,eACftC,iBAAmBwC,oBAEfrC,uBAAyBJ,WAAWkC,OAlI5B,SAASP,UACrBoB,UAAYpB,KAAKE,KAAK/B,sBAC1BiD,UAAUf,IAAI,UAAW,GACzBe,UAAUf,IAAI,aAAc,UAC5Be,UAAUH,KAAK,cAAe,QA+HtBK,CAActB,QA/IN,SAASA,UACrBoB,UAAYpB,KAAKE,KAAK/B,sBAC1BiD,UAAUf,IAAI,UAAW,GACzBe,UAAUf,IAAI,aAAc,WAC5Be,UAAUH,KAAK,cAAe,SA6ItBM,CAAcvB,MAEI,IAAdxB,UACAT,sBAAsByD,8BAA8BJ,WAEpDrD,sBAAsB0D,6BAA6BL,WAGnD5C,UAAYC,uBAAyBJ,WAAWkC,OAChDxC,sBAAsB2D,0BAA0BN,WAEhDrD,sBAAsB4D,yBAAyBP,cAW3DQ,uBAAyB,SAAS5B,UAC9B6B,cAAgB,KAChBC,gBAAiB,EAErBhE,OAAOiE,UAAU9D,aAAa+D,YAAY,SAASC,WAlJjC,SAASjC,KAAMiC,UACjC5D,WAAWmB,SAAQ,SAASL,QACpBA,OAAO8B,KAAK,mBAAqBgB,UACjC9C,OAAOe,KAAK/B,+BAA+BgD,YAAY,aAgJ3De,CAAgBlC,EAAMiC,aAG1BnE,OAAOiE,UAAU9D,aAAakE,aAAa,SAASF,WAxIhC,SAASjC,KAAMiC,UACnC5D,WAAWmB,SAAQ,SAASL,QACpBA,OAAO8B,KAAK,mBAAqBgB,UACjC9C,OAAOe,KAAK/B,+BAA+B+C,SAAS,aAsIxDkB,CAAkBpC,EAAMiC,aAG5BnE,OAAOiE,UAAU,2BAA2B,cACnC3D,eAAkBC,WAAWkC,SAAUuB,gBAK5CA,gBAAiB,MACbO,mBAAqB,GAGH,SAAlBC,kBACAC,YAAW,WACPxC,0BAA0BC,QAC1BqC,mBAEyB,GAAKP,gBAG1BQ,oBAEL,KAIPA,OAGJxE,OAAOiE,UAAU,yBAAyB,WACtCD,gBAAiB,KAGrBnE,EAAE6E,QAAQC,GAAG,UAAU,WACdrE,eAAkBC,WAAWkC,SAO7BsB,gBACDA,cAAgBU,YAAW,WACvBV,cAAgB,KAChB9B,0BAA0BC,QAE3B,SAIXpC,aAAaF,OAAOsC,KAAM,CAACpC,aAAa8E,OAAOC,WAC/C3C,KAAKyC,GAAG7E,aAAa8E,OAAOC,SAAUxE,2BAA2B,SAASyE,EAAG5D,MAC5DrB,EAAEiF,EAAEC,QAAQC,QAAQ3E,2BACrB4E,SAAS,cACjBvE,WAAwBC,sBACxBsB,0BAA0BC,OAG9BhB,KAAKgE,cAAcC,oBAGvBjD,KAAKyC,GAAG7E,aAAa8E,OAAOC,SAAUxE,+BAA+B,SAASyE,EAAG5D,MAChErB,EAAEiF,EAAEC,QAAQC,QAAQ3E,+BACrB4E,SAAS,cAEjBvE,WADAA,WAAwBC,uBACA,EAAI,EAAID,UAChCuB,0BAA0BC,OAG9BhB,KAAKgE,cAAcC,2BA+BpB,CACHC,KAtBO,SAASvE,OAAQqB,MACxBA,KAAOrC,EAAEqC,MAET4B,uBAAuB5B,MACvBtB,YAAYC,QACPE,MAAK,SAASU,iBAEXnB,eAAgB,GADhBC,WAAakB,iBAGEgB,SApRT,SAASP,MACvBA,KAAKE,KAAK/B,mBAAmBgD,YAAY,UACzCnB,KAAKE,KAAK/B,yBAAyB+C,SAAS,UAC5ClB,KAAKE,KAAK/B,+BAA+B+C,SAAS,UAkRtCiC,CAAYnD,MACZD,0BAA0BC,OAjSnB,SAASA,MAC5BA,KAAKE,KAAK/B,yBAAyBgD,YAAY,UAC/CnB,KAAKE,KAAK/B,+BAA+B+C,SAAS,UAClDlB,KAAKE,KAAK/B,mBAAmB+C,SAAS,UAgS1BkC,CAAiBpD,SAKxBJ,MAAM/B,aAAagC"}
\ No newline at end of file
diff --git a/blocks/recentlyaccesseditems/amd/build/main.min.js b/blocks/recentlyaccesseditems/amd/build/main.min.js
index 0f3c4882a1e..4e6be8b411a 100644
--- a/blocks/recentlyaccesseditems/amd/build/main.min.js
+++ b/blocks/recentlyaccesseditems/amd/build/main.min.js
@@ -1,2 +1,11 @@
-define ("block_recentlyaccesseditems/main",["jquery","block_recentlyaccesseditems/repository","core/templates","core/notification"],function(a,b,c,d){var e={CARDDECK_CONTAINER:"[data-region=\"recentlyaccesseditems-view\"]",CARDDECK:"[data-region=\"recentlyaccesseditems-view-content\"]"},f=function(a){return b.getRecentItems(a)},g=function(a,b){if(0<b.length){return c.render("block_recentlyaccesseditems/view-cards",{items:b})}else{var d=a.attr("data-noitemsimgurl");return c.render("block_recentlyaccesseditems/no-items",{noitemsimgurl:d})}};return{init:function init(b){b=a(b);var h=b.find(e.CARDDECK_CONTAINER),i=b.find(e.CARDDECK),j=f(9);j.then(function(a){var b=g(h,a);b.then(function(a,b){return c.replaceNodeContents(i,a,b)}).catch(d.exception);return j}).catch(d.exception)}}});
-//# sourceMappingURL=main.min.js.map
+/**
+ * Javascript to initialise the Recently accessed items block.
+ *
+ * @module     block_recentlyaccesseditems/main
+ * @package    block_recentlyaccesseditems
+ * @copyright  2018 Victor Deniz <victor@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_recentlyaccesseditems/main",["jquery","block_recentlyaccesseditems/repository","core/templates","core/notification"],(function($,Repository,Templates,Notification){var SELECTORS_CARDDECK_CONTAINER='[data-region="recentlyaccesseditems-view"]',SELECTORS_CARDDECK='[data-region="recentlyaccesseditems-view-content"]';return{init:function(root){var limit,itemsContainer=(root=$(root)).find(SELECTORS_CARDDECK_CONTAINER),itemsContent=root.find(SELECTORS_CARDDECK),itemsPromise=(limit=9,Repository.getRecentItems(limit));itemsPromise.then((function(items){var pageContentPromise=function(root,items){if(items.length>0)return Templates.render("block_recentlyaccesseditems/view-cards",{items:items});var noitemsimgurl=root.attr("data-noitemsimgurl");return Templates.render("block_recentlyaccesseditems/no-items",{noitemsimgurl:noitemsimgurl})}(itemsContainer,items);return pageContentPromise.then((function(html,js){return Templates.replaceNodeContents(itemsContent,html,js)})).catch(Notification.exception),itemsPromise})).catch(Notification.exception)}}}));
+
+//# sourceMappingURL=main.min.js.map
\ No newline at end of file
diff --git a/blocks/recentlyaccesseditems/amd/build/main.min.js.map b/blocks/recentlyaccesseditems/amd/build/main.min.js.map
index 6308a5e272f..13fb6616773 100644
--- a/blocks/recentlyaccesseditems/amd/build/main.min.js.map
+++ b/blocks/recentlyaccesseditems/amd/build/main.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/main.js"],"names":["define","$","Repository","Templates","Notification","SELECTORS","CARDDECK_CONTAINER","CARDDECK","getRecentItems","limit","renderItems","root","items","length","render","noitemsimgurl","attr","init","itemsContainer","find","itemsContent","itemsPromise","then","pageContentPromise","html","js","replaceNodeContents","catch","exception"],"mappings":"AAyBAA,OAAM,oCACF,CACI,QADJ,CAEI,wCAFJ,CAGI,gBAHJ,CAII,mBAJJ,CADE,CAOF,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKE,IAIMC,CAAAA,CAAS,CAAG,CACZC,kBAAkB,CAAE,8CADR,CAEZC,QAAQ,CAAE,sDAFE,CAJlB,CAgBMC,CAAc,CAAG,SAASC,CAAT,CAAgB,CACjC,MAAOP,CAAAA,CAAU,CAACM,cAAX,CAA0BC,CAA1B,CACV,CAlBH,CA4BMC,CAAW,CAAG,SAASC,CAAT,CAAeC,CAAf,CAAsB,CACpC,GAAmB,CAAf,CAAAA,CAAK,CAACC,MAAV,CAAsB,CAClB,MAAOV,CAAAA,CAAS,CAACW,MAAV,CAAiB,wCAAjB,CAA2D,CAC9DF,KAAK,CAAEA,CADuD,CAA3D,CAGV,CAJD,IAIO,CACH,GAAIG,CAAAA,CAAa,CAAGJ,CAAI,CAACK,IAAL,CAAU,oBAAV,CAApB,CACA,MAAOb,CAAAA,CAAS,CAACW,MAAV,CAAiB,sCAAjB,CAAyD,CAC5DC,aAAa,CAAEA,CAD6C,CAAzD,CAGV,CACJ,CAvCH,CAgEE,MAAO,CACHE,IAAI,CAnBG,QAAPA,CAAAA,IAAO,CAASN,CAAT,CAAe,CACtBA,CAAI,CAAGV,CAAC,CAACU,CAAD,CAAR,CADsB,GAGlBO,CAAAA,CAAc,CAAGP,CAAI,CAACQ,IAAL,CAAUd,CAAS,CAACC,kBAApB,CAHC,CAIlBc,CAAY,CAAGT,CAAI,CAACQ,IAAL,CAAUd,CAAS,CAACE,QAApB,CAJG,CAMlBc,CAAY,CAAGb,CAAc,GANX,CAQtBa,CAAY,CAACC,IAAb,CAAkB,SAASV,CAAT,CAAgB,CAC9B,GAAIW,CAAAA,CAAkB,CAAGb,CAAW,CAACQ,CAAD,CAAiBN,CAAjB,CAApC,CAEAW,CAAkB,CAACD,IAAnB,CAAwB,SAASE,CAAT,CAAeC,CAAf,CAAmB,CACvC,MAAOtB,CAAAA,CAAS,CAACuB,mBAAV,CAA8BN,CAA9B,CAA4CI,CAA5C,CAAkDC,CAAlD,CACV,CAFD,EAEGE,KAFH,CAESvB,CAAY,CAACwB,SAFtB,EAGA,MAAOP,CAAAA,CACV,CAPD,EAOGM,KAPH,CAOSvB,CAAY,CAACwB,SAPtB,CAQH,CAEM,CAGV,CA/EC,CAAN","sourcesContent":["\n// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the Recently accessed items block.\n *\n * @module     block_recentlyaccesseditems/main\n * @package    block_recentlyaccesseditems\n * @copyright  2018 Victor Deniz <victor@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n    [\n        'jquery',\n        'block_recentlyaccesseditems/repository',\n        'core/templates',\n        'core/notification'\n    ],\n    function(\n        $,\n        Repository,\n        Templates,\n        Notification\n    ) {\n\n        var NUM_ITEMS = 9;\n\n        var SELECTORS = {\n            CARDDECK_CONTAINER: '[data-region=\"recentlyaccesseditems-view\"]',\n            CARDDECK: '[data-region=\"recentlyaccesseditems-view-content\"]',\n        };\n\n        /**\n         * Get recent items from backend.\n         *\n         * @method getRecentItems\n         * @param {int} limit Only return this many results\n         * @return {array} Items user most recently has accessed\n         */\n        var getRecentItems = function(limit) {\n            return Repository.getRecentItems(limit);\n        };\n\n        /**\n         * Render the block content.\n         *\n         * @method renderItems\n         * @param {object} root The root element for the items view.\n         * @param {array} items containing array of returned items.\n         * @return {promise} Resolved with HTML and JS strings\n         */\n        var renderItems = function(root, items) {\n            if (items.length > 0) {\n                return Templates.render('block_recentlyaccesseditems/view-cards', {\n                    items: items\n                });\n            } else {\n                var noitemsimgurl = root.attr('data-noitemsimgurl');\n                return Templates.render('block_recentlyaccesseditems/no-items', {\n                    noitemsimgurl: noitemsimgurl\n                });\n            }\n        };\n\n        /**\n         * Get and show the recent items into the block.\n         *\n         * @param {object} root The root element for the items block.\n         */\n        var init = function(root) {\n            root = $(root);\n\n            var itemsContainer = root.find(SELECTORS.CARDDECK_CONTAINER);\n            var itemsContent = root.find(SELECTORS.CARDDECK);\n\n            var itemsPromise = getRecentItems(NUM_ITEMS);\n\n            itemsPromise.then(function(items) {\n                var pageContentPromise = renderItems(itemsContainer, items);\n\n                pageContentPromise.then(function(html, js) {\n                    return Templates.replaceNodeContents(itemsContent, html, js);\n                }).catch(Notification.exception);\n                return itemsPromise;\n            }).catch(Notification.exception);\n        };\n\n        return {\n            init: init\n        };\n    });"],"file":"main.min.js"}
\ No newline at end of file
+{"version":3,"file":"main.min.js","sources":["../src/main.js"],"sourcesContent":["\n// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the Recently accessed items block.\n *\n * @module     block_recentlyaccesseditems/main\n * @package    block_recentlyaccesseditems\n * @copyright  2018 Victor Deniz <victor@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n    [\n        'jquery',\n        'block_recentlyaccesseditems/repository',\n        'core/templates',\n        'core/notification'\n    ],\n    function(\n        $,\n        Repository,\n        Templates,\n        Notification\n    ) {\n\n        var NUM_ITEMS = 9;\n\n        var SELECTORS = {\n            CARDDECK_CONTAINER: '[data-region=\"recentlyaccesseditems-view\"]',\n            CARDDECK: '[data-region=\"recentlyaccesseditems-view-content\"]',\n        };\n\n        /**\n         * Get recent items from backend.\n         *\n         * @method getRecentItems\n         * @param {int} limit Only return this many results\n         * @return {array} Items user most recently has accessed\n         */\n        var getRecentItems = function(limit) {\n            return Repository.getRecentItems(limit);\n        };\n\n        /**\n         * Render the block content.\n         *\n         * @method renderItems\n         * @param {object} root The root element for the items view.\n         * @param {array} items containing array of returned items.\n         * @return {promise} Resolved with HTML and JS strings\n         */\n        var renderItems = function(root, items) {\n            if (items.length > 0) {\n                return Templates.render('block_recentlyaccesseditems/view-cards', {\n                    items: items\n                });\n            } else {\n                var noitemsimgurl = root.attr('data-noitemsimgurl');\n                return Templates.render('block_recentlyaccesseditems/no-items', {\n                    noitemsimgurl: noitemsimgurl\n                });\n            }\n        };\n\n        /**\n         * Get and show the recent items into the block.\n         *\n         * @param {object} root The root element for the items block.\n         */\n        var init = function(root) {\n            root = $(root);\n\n            var itemsContainer = root.find(SELECTORS.CARDDECK_CONTAINER);\n            var itemsContent = root.find(SELECTORS.CARDDECK);\n\n            var itemsPromise = getRecentItems(NUM_ITEMS);\n\n            itemsPromise.then(function(items) {\n                var pageContentPromise = renderItems(itemsContainer, items);\n\n                pageContentPromise.then(function(html, js) {\n                    return Templates.replaceNodeContents(itemsContent, html, js);\n                }).catch(Notification.exception);\n                return itemsPromise;\n            }).catch(Notification.exception);\n        };\n\n        return {\n            init: init\n        };\n    });"],"names":["define","$","Repository","Templates","Notification","SELECTORS","init","root","limit","itemsContainer","find","itemsContent","itemsPromise","getRecentItems","then","items","pageContentPromise","length","render","noitemsimgurl","attr","renderItems","html","js","replaceNodeContents","catch","exception"],"mappings":";;;;;;;;AAyBAA,0CACI,CACI,SACA,yCACA,iBACA,sBAEJ,SACIC,EACAC,WACAC,UACAC,kBAKIC,6BACoB,6CADpBA,mBAEU,2DA0DP,CACHC,KAnBO,SAASC,UA9BUC,MAiCtBC,gBAFJF,KAAON,EAAEM,OAEiBG,KAAKL,8BAC3BM,aAAeJ,KAAKG,KAAKL,oBAEzBO,cApCsBJ,MAdd,EAeLN,WAAWW,eAAeL,QAqCjCI,aAAaE,MAAK,SAASC,WACnBC,mBA3BM,SAAST,KAAMQ,UACzBA,MAAME,OAAS,SACRd,UAAUe,OAAO,yCAA0C,CAC9DH,MAAOA,YAGPI,cAAgBZ,KAAKa,KAAK,6BACvBjB,UAAUe,OAAO,uCAAwC,CAC5DC,cAAeA,gBAmBME,CAAYZ,eAAgBM,cAErDC,mBAAmBF,MAAK,SAASQ,KAAMC,WAC5BpB,UAAUqB,oBAAoBb,aAAcW,KAAMC,OAC1DE,MAAMrB,aAAasB,WACfd,gBACRa,MAAMrB,aAAasB"}
\ No newline at end of file
diff --git a/blocks/recentlyaccesseditems/amd/build/repository.min.js b/blocks/recentlyaccesseditems/amd/build/repository.min.js
index f86b1960b04..114a190729a 100644
--- a/blocks/recentlyaccesseditems/amd/build/repository.min.js
+++ b/blocks/recentlyaccesseditems/amd/build/repository.min.js
@@ -1,2 +1,11 @@
-define ("block_recentlyaccesseditems/repository",["core/ajax"],function(a){return{getRecentItems:function getRecentItems(b){var c={};if("undefined"!=typeof b){c.limit=b}return a.call([{methodname:"block_recentlyaccesseditems_get_recent_items",args:c}])[0]}}});
-//# sourceMappingURL=repository.min.js.map
+/**
+ * A javascript module to handle user ajax actions.
+ *
+ * @module     block_recentlyaccesseditems/repository
+ * @package    block_recentlyaccesseditems
+ * @copyright  2018 Victor Deniz <victor@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_recentlyaccesseditems/repository",["core/ajax"],(function(Ajax){return{getRecentItems:function(limit){var args={};void 0!==limit&&(args.limit=limit);var request={methodname:"block_recentlyaccesseditems_get_recent_items",args:args};return Ajax.call([request])[0]}}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/blocks/recentlyaccesseditems/amd/build/repository.min.js.map b/blocks/recentlyaccesseditems/amd/build/repository.min.js.map
index 2a17bd0b5b1..90b112c872f 100644
--- a/blocks/recentlyaccesseditems/amd/build/repository.min.js.map
+++ b/blocks/recentlyaccesseditems/amd/build/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/repository.js"],"names":["define","Ajax","getRecentItems","limit","args","call","methodname"],"mappings":"AAuBAA,OAAM,0CAAC,CAAC,WAAD,CAAD,CAAgB,SAASC,CAAT,CAAe,CAoBjC,MAAO,CACHC,cAAc,CAZG,QAAjBA,CAAAA,cAAiB,CAASC,CAAT,CAAgB,CACjC,GAAIC,CAAAA,CAAI,CAAG,EAAX,CACA,GAAqB,WAAjB,QAAOD,CAAAA,CAAX,CAAkC,CAC9BC,CAAI,CAACD,KAAL,CAAaA,CAChB,CAKD,MAAOF,CAAAA,CAAI,CAACI,IAAL,CAAU,CAJH,CACVC,UAAU,CAAE,8CADF,CAEVF,IAAI,CAAEA,CAFI,CAIG,CAAV,EAAqB,CAArB,CACV,CACM,CAGV,CAvBK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle user ajax actions.\n *\n * @module     block_recentlyaccesseditems/repository\n * @package    block_recentlyaccesseditems\n * @copyright  2018 Victor Deniz <victor@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax'], function(Ajax) {\n\n    /**\n     * Get the list of items that the user has most recently accessed.\n     *\n     * @method getRecentItems\n     * @param {int} limit Only return this many results\n     * @return {promise} Resolved with an array of items\n     */\n    var getRecentItems = function(limit) {\n        var args = {};\n        if (typeof limit !== 'undefined') {\n            args.limit = limit;\n        }\n        var request = {\n            methodname: 'block_recentlyaccesseditems_get_recent_items',\n            args: args\n        };\n        return Ajax.call([request])[0];\n    };\n    return {\n        getRecentItems: getRecentItems\n    };\n});"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../src/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle user ajax actions.\n *\n * @module     block_recentlyaccesseditems/repository\n * @package    block_recentlyaccesseditems\n * @copyright  2018 Victor Deniz <victor@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax'], function(Ajax) {\n\n    /**\n     * Get the list of items that the user has most recently accessed.\n     *\n     * @method getRecentItems\n     * @param {int} limit Only return this many results\n     * @return {promise} Resolved with an array of items\n     */\n    var getRecentItems = function(limit) {\n        var args = {};\n        if (typeof limit !== 'undefined') {\n            args.limit = limit;\n        }\n        var request = {\n            methodname: 'block_recentlyaccesseditems_get_recent_items',\n            args: args\n        };\n        return Ajax.call([request])[0];\n    };\n    return {\n        getRecentItems: getRecentItems\n    };\n});"],"names":["define","Ajax","getRecentItems","limit","args","request","methodname","call"],"mappings":";;;;;;;;AAuBAA,gDAAO,CAAC,cAAc,SAASC,YAoBpB,CACHC,eAZiB,SAASC,WACtBC,KAAO,QACU,IAAVD,QACPC,KAAKD,MAAQA,WAEbE,QAAU,CACVC,WAAY,+CACZF,KAAMA,aAEHH,KAAKM,KAAK,CAACF,UAAU"}
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diff --git a/blocks/settings/amd/build/settingsblock.min.js b/blocks/settings/amd/build/settingsblock.min.js
index 1bce461ca90..0aec2fbf693 100644
--- a/blocks/settings/amd/build/settingsblock.min.js
+++ b/blocks/settings/amd/build/settingsblock.min.js
@@ -1,2 +1,11 @@
-define ("block_settings/settingsblock",["jquery","core/tree"],function(a,b){return{init:function init(a,c){var d=new b(".block_settings .block_tree");if(c){var e=d.treeRoot.find("#"+c),f=e.children("a").first();f.replaceWith("<span tabindex=\"0\">"+f.html()+"</span>")}d.finishExpandingGroup=function(c){b.prototype.finishExpandingGroup.call(this,c);Y.use("moodle-core-event",function(){Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED,{instanceid:a})})};d.collapseGroup=function(c){b.prototype.collapseGroup.call(this,c);Y.use("moodle-core-event",function(){Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED,{instanceid:a})})}}}});
-//# sourceMappingURL=settingsblock.min.js.map
+/**
+ * Load the settings block tree javscript
+ *
+ * @module     block_settings/settingsblock
+ * @package    core
+ * @copyright  2015 John Okely <john@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_settings/settingsblock",["jquery","core/tree"],(function($,Tree){return{init:function(instanceid,siteAdminNodeId){var adminTree=new Tree(".block_settings .block_tree");if(siteAdminNodeId){var siteAdminLink=adminTree.treeRoot.find("#"+siteAdminNodeId).children("a").first();siteAdminLink.replaceWith('<span tabindex="0">'+siteAdminLink.html()+"</span>")}adminTree.finishExpandingGroup=function(item){Tree.prototype.finishExpandingGroup.call(this,item),Y.use("moodle-core-event",(function(){Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED,{instanceid:instanceid})}))},adminTree.collapseGroup=function(item){Tree.prototype.collapseGroup.call(this,item),Y.use("moodle-core-event",(function(){Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED,{instanceid:instanceid})}))}}}}));
+
+//# sourceMappingURL=settingsblock.min.js.map
\ No newline at end of file
diff --git a/blocks/settings/amd/build/settingsblock.min.js.map b/blocks/settings/amd/build/settingsblock.min.js.map
index 1696676c470..48054937d35 100644
--- a/blocks/settings/amd/build/settingsblock.min.js.map
+++ b/blocks/settings/amd/build/settingsblock.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/settingsblock.js"],"names":["define","$","Tree","init","instanceid","siteAdminNodeId","adminTree","siteAdminNode","treeRoot","find","siteAdminLink","children","first","replaceWith","html","finishExpandingGroup","item","prototype","call","Y","use","Global","fire","M","core","globalEvents","BLOCK_CONTENT_UPDATED","collapseGroup"],"mappings":"AAuBAA,OAAM,gCAAC,CAAC,QAAD,CAAW,WAAX,CAAD,CAA0B,SAASC,CAAT,CAAYC,CAAZ,CAAkB,CAC9C,MAAO,CACHC,IAAI,CAAE,cAASC,CAAT,CAAqBC,CAArB,CAAsC,CACxC,GAAIC,CAAAA,CAAS,CAAG,GAAIJ,CAAAA,CAAJ,CAAS,6BAAT,CAAhB,CACA,GAAIG,CAAJ,CAAqB,IACbE,CAAAA,CAAa,CAAGD,CAAS,CAACE,QAAV,CAAmBC,IAAnB,CAAwB,IAAMJ,CAA9B,CADH,CAEbK,CAAa,CAAGH,CAAa,CAACI,QAAd,CAAuB,GAAvB,EAA4BC,KAA5B,EAFH,CAGjBF,CAAa,CAACG,WAAd,CAA0B,wBAAwBH,CAAa,CAACI,IAAd,EAAxB,CAA+C,SAAzE,CACH,CACDR,CAAS,CAACS,oBAAV,CAAiC,SAASC,CAAT,CAAe,CAC5Cd,CAAI,CAACe,SAAL,CAAeF,oBAAf,CAAoCG,IAApC,CAAyC,IAAzC,CAA+CF,CAA/C,EACAG,CAAC,CAACC,GAAF,CAAM,mBAAN,CAA2B,UAAW,CAClCD,CAAC,CAACE,MAAF,CAASC,IAAT,CAAcC,CAAC,CAACC,IAAF,CAAOC,YAAP,CAAoBC,qBAAlC,CAAyD,CACrDtB,UAAU,CAAEA,CADyC,CAAzD,CAGH,CAJD,CAKH,CAPD,CAQAE,CAAS,CAACqB,aAAV,CAA0B,SAASX,CAAT,CAAe,CACrCd,CAAI,CAACe,SAAL,CAAeU,aAAf,CAA6BT,IAA7B,CAAkC,IAAlC,CAAwCF,CAAxC,EACAG,CAAC,CAACC,GAAF,CAAM,mBAAN,CAA2B,UAAW,CAClCD,CAAC,CAACE,MAAF,CAASC,IAAT,CAAcC,CAAC,CAACC,IAAF,CAAOC,YAAP,CAAoBC,qBAAlC,CAAyD,CACrDtB,UAAU,CAAEA,CADyC,CAAzD,CAGH,CAJD,CAKH,CACJ,CAxBE,CA0BV,CA3BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the settings block tree javscript\n *\n * @module     block_settings/settingsblock\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/tree'], function($, Tree) {\n    return {\n        init: function(instanceid, siteAdminNodeId) {\n            var adminTree = new Tree(\".block_settings .block_tree\");\n            if (siteAdminNodeId) {\n                var siteAdminNode = adminTree.treeRoot.find('#' + siteAdminNodeId);\n                var siteAdminLink = siteAdminNode.children('a').first();\n                siteAdminLink.replaceWith('<span tabindex=\"0\">' + siteAdminLink.html() + '</span>');\n            }\n            adminTree.finishExpandingGroup = function(item) {\n                Tree.prototype.finishExpandingGroup.call(this, item);\n                Y.use('moodle-core-event', function() {\n                    Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED, {\n                        instanceid: instanceid\n                    });\n                });\n            };\n            adminTree.collapseGroup = function(item) {\n                Tree.prototype.collapseGroup.call(this, item);\n                Y.use('moodle-core-event', function() {\n                    Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED, {\n                        instanceid: instanceid\n                    });\n                });\n            };\n        }\n    };\n});\n"],"file":"settingsblock.min.js"}
\ No newline at end of file
+{"version":3,"file":"settingsblock.min.js","sources":["../src/settingsblock.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the settings block tree javscript\n *\n * @module     block_settings/settingsblock\n * @package    core\n * @copyright  2015 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/tree'], function($, Tree) {\n    return {\n        init: function(instanceid, siteAdminNodeId) {\n            var adminTree = new Tree(\".block_settings .block_tree\");\n            if (siteAdminNodeId) {\n                var siteAdminNode = adminTree.treeRoot.find('#' + siteAdminNodeId);\n                var siteAdminLink = siteAdminNode.children('a').first();\n                siteAdminLink.replaceWith('<span tabindex=\"0\">' + siteAdminLink.html() + '</span>');\n            }\n            adminTree.finishExpandingGroup = function(item) {\n                Tree.prototype.finishExpandingGroup.call(this, item);\n                Y.use('moodle-core-event', function() {\n                    Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED, {\n                        instanceid: instanceid\n                    });\n                });\n            };\n            adminTree.collapseGroup = function(item) {\n                Tree.prototype.collapseGroup.call(this, item);\n                Y.use('moodle-core-event', function() {\n                    Y.Global.fire(M.core.globalEvents.BLOCK_CONTENT_UPDATED, {\n                        instanceid: instanceid\n                    });\n                });\n            };\n        }\n    };\n});\n"],"names":["define","$","Tree","init","instanceid","siteAdminNodeId","adminTree","siteAdminLink","treeRoot","find","children","first","replaceWith","html","finishExpandingGroup","item","prototype","call","this","Y","use","Global","fire","M","core","globalEvents","BLOCK_CONTENT_UPDATED","collapseGroup"],"mappings":";;;;;;;;AAuBAA,sCAAO,CAAC,SAAU,cAAc,SAASC,EAAGC,YACjC,CACHC,KAAM,SAASC,WAAYC,qBACnBC,UAAY,IAAIJ,KAAK,kCACrBG,gBAAiB,KAEbE,cADgBD,UAAUE,SAASC,KAAK,IAAMJ,iBAChBK,SAAS,KAAKC,QAChDJ,cAAcK,YAAY,sBAAwBL,cAAcM,OAAS,WAE7EP,UAAUQ,qBAAuB,SAASC,MACtCb,KAAKc,UAAUF,qBAAqBG,KAAKC,KAAMH,MAC/CI,EAAEC,IAAI,qBAAqB,WACvBD,EAAEE,OAAOC,KAAKC,EAAEC,KAAKC,aAAaC,sBAAuB,CACrDtB,WAAYA,iBAIxBE,UAAUqB,cAAgB,SAASZ,MAC/Bb,KAAKc,UAAUW,cAAcV,KAAKC,KAAMH,MACxCI,EAAEC,IAAI,qBAAqB,WACvBD,EAAEE,OAAOC,KAAKC,EAAEC,KAAKC,aAAaC,sBAAuB,CACrDtB,WAAYA"}
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diff --git a/blocks/starredcourses/amd/build/main.min.js b/blocks/starredcourses/amd/build/main.min.js
index 060eb3e88ef..8f2d7f0f4ab 100644
--- a/blocks/starredcourses/amd/build/main.min.js
+++ b/blocks/starredcourses/amd/build/main.min.js
@@ -1,2 +1,9 @@
-define ("block_starredcourses/main",["jquery","core/notification","block_starredcourses/repository","core/pubsub","core/templates","core_course/events"],function(a,b,c,d,e,f){var g={BLOCK_CONTAINER:"[data-region=\"starred-courses\"]",STARRED_COURSES_REGION_VIEW:"[data-region=\"starred-courses-view\"]",STARRED_COURSES_REGION:"[data-region=\"starred-courses-view-content\"]"},h=function(a,b){if(0<b.length){return e.render("core_course/view-cards",{courses:b})}else{var c=a.find(g.STARRED_COURSES_REGION_VIEW).attr("data-nocoursesimg");return e.render("block_starredcourses/no-courses",{nocoursesimg:c})}},i=function(d){var f=d.find(g.STARRED_COURSES_REGION);return c.getStarredCourses({limit:0,offset:0}).then(function(b){var c=a(g.BLOCK_CONTAINER).data("displaycoursecategory");b=b.map(function(a){a.showcoursecategory=c;return a});return h(d,b)}).then(function(a,b){return e.replaceNodeContents(f,a,b)}).catch(b.exception)},j=function(a){d.subscribe(f.favourited,function(){i(a)});d.subscribe(f.unfavorited,function(){i(a)})};return{init:function init(b){b=a(b);j(b);i(b)}}});
-//# sourceMappingURL=main.min.js.map
+/**
+ * Javascript to initialise the starred courses block.
+ *
+ * @copyright   2018 Simey Lameze <simey@moodle.com>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_starredcourses/main",["jquery","core/notification","block_starredcourses/repository","core/pubsub","core/templates","core_course/events"],(function($,Notification,Repository,PubSub,Templates,CourseEvents){var SELECTORS_BLOCK_CONTAINER='[data-region="starred-courses"]',SELECTORS_STARRED_COURSES_REGION_VIEW='[data-region="starred-courses-view"]',SELECTORS_STARRED_COURSES_REGION='[data-region="starred-courses-view-content"]',reloadContent=function(root){var content=root.find(SELECTORS_STARRED_COURSES_REGION);return Repository.getStarredCourses({limit:0,offset:0}).then((function(courses){var showcoursecategory=$(SELECTORS_BLOCK_CONTAINER).data("displaycoursecategory");return courses=courses.map((function(course){return course.showcoursecategory=showcoursecategory,course})),function(root,courses){if(courses.length>0)return Templates.render("core_course/view-cards",{courses:courses});var nocoursesimg=root.find(SELECTORS_STARRED_COURSES_REGION_VIEW).attr("data-nocoursesimg");return Templates.render("block_starredcourses/no-courses",{nocoursesimg:nocoursesimg})}(root,courses)})).then((function(html,js){return Templates.replaceNodeContents(content,html,js)})).catch(Notification.exception)};return{init:function(root){(function(root){PubSub.subscribe(CourseEvents.favourited,(function(){reloadContent(root)})),PubSub.subscribe(CourseEvents.unfavorited,(function(){reloadContent(root)}))})(root=$(root)),reloadContent(root)}}}));
+
+//# sourceMappingURL=main.min.js.map
\ No newline at end of file
diff --git a/blocks/starredcourses/amd/build/main.min.js.map b/blocks/starredcourses/amd/build/main.min.js.map
index 31c003a17d9..c2db6736bcc 100644
--- a/blocks/starredcourses/amd/build/main.min.js.map
+++ b/blocks/starredcourses/amd/build/main.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the starred courses block.\n *\n * @copyright   2018 Simey Lameze <simey@moodle.com>\n * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'block_starredcourses/repository',\n    'core/pubsub',\n    'core/templates',\n    'core_course/events'\n],\nfunction(\n    $,\n    Notification,\n    Repository,\n    PubSub,\n    Templates,\n    CourseEvents\n) {\n\n    var SELECTORS = {\n        BLOCK_CONTAINER: '[data-region=\"starred-courses\"]',\n        STARRED_COURSES_REGION_VIEW: '[data-region=\"starred-courses-view\"]',\n        STARRED_COURSES_REGION: '[data-region=\"starred-courses-view-content\"]'\n    };\n\n    /**\n     * Render the starred courses.\n     *\n     * @method renderCourses\n     * @param {object} root The root element for the starred view.\n     * @param {array} courses containing array of returned courses.\n     * @returns {promise} Resolved with HTML and JS strings\n     */\n    var renderCourses = function(root, courses) {\n        if (courses.length > 0) {\n            return Templates.render('core_course/view-cards', {\n                courses: courses\n            });\n        } else {\n            var nocoursesimg = root.find(SELECTORS.STARRED_COURSES_REGION_VIEW).attr('data-nocoursesimg');\n            return Templates.render('block_starredcourses/no-courses', {\n                nocoursesimg: nocoursesimg\n            });\n        }\n    };\n\n    /**\n     * Fetch user's starred courses and reload the content of the block.\n     *\n     * @param {object} root The root element for the starred view.\n     * @returns {promise} The updated content for the block.\n     */\n    var reloadContent = function(root) {\n        var content = root.find(SELECTORS.STARRED_COURSES_REGION);\n\n        var args = {\n            limit: 0,\n            offset: 0,\n        };\n\n        return Repository.getStarredCourses(args)\n            .then(function(courses) {\n                // Whether the course category should be displayed in the course item.\n                var showcoursecategory = $(SELECTORS.BLOCK_CONTAINER).data('displaycoursecategory');\n                courses = courses.map(function(course) {\n                    course.showcoursecategory = showcoursecategory;\n                    return course;\n                });\n                return renderCourses(root, courses);\n            }).then(function(html, js) {\n                return Templates.replaceNodeContents(content, html, js);\n            }).catch(Notification.exception);\n    };\n\n    /**\n     * Register event listeners for the block.\n     *\n     * @param {object} root The calendar root element\n     */\n    var registerEventListeners = function(root) {\n        PubSub.subscribe(CourseEvents.favourited, function() {\n            reloadContent(root);\n        });\n\n        PubSub.subscribe(CourseEvents.unfavorited, function() {\n            reloadContent(root);\n        });\n    };\n\n    /**\n     * Initialise all of the modules for the starred courses block.\n     *\n     * @param {object} root The root element for the block.\n     */\n    var init = function(root) {\n        root = $(root);\n\n        registerEventListeners(root);\n        reloadContent(root);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"file":"main.min.js"}
\ No newline at end of file
+{"version":3,"file":"main.min.js","sources":["../src/main.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the starred courses block.\n *\n * @copyright   2018 Simey Lameze <simey@moodle.com>\n * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'block_starredcourses/repository',\n    'core/pubsub',\n    'core/templates',\n    'core_course/events'\n],\nfunction(\n    $,\n    Notification,\n    Repository,\n    PubSub,\n    Templates,\n    CourseEvents\n) {\n\n    var SELECTORS = {\n        BLOCK_CONTAINER: '[data-region=\"starred-courses\"]',\n        STARRED_COURSES_REGION_VIEW: '[data-region=\"starred-courses-view\"]',\n        STARRED_COURSES_REGION: '[data-region=\"starred-courses-view-content\"]'\n    };\n\n    /**\n     * Render the starred courses.\n     *\n     * @method renderCourses\n     * @param {object} root The root element for the starred view.\n     * @param {array} courses containing array of returned courses.\n     * @returns {promise} Resolved with HTML and JS strings\n     */\n    var renderCourses = function(root, courses) {\n        if (courses.length > 0) {\n            return Templates.render('core_course/view-cards', {\n                courses: courses\n            });\n        } else {\n            var nocoursesimg = root.find(SELECTORS.STARRED_COURSES_REGION_VIEW).attr('data-nocoursesimg');\n            return Templates.render('block_starredcourses/no-courses', {\n                nocoursesimg: nocoursesimg\n            });\n        }\n    };\n\n    /**\n     * Fetch user's starred courses and reload the content of the block.\n     *\n     * @param {object} root The root element for the starred view.\n     * @returns {promise} The updated content for the block.\n     */\n    var reloadContent = function(root) {\n        var content = root.find(SELECTORS.STARRED_COURSES_REGION);\n\n        var args = {\n            limit: 0,\n            offset: 0,\n        };\n\n        return Repository.getStarredCourses(args)\n            .then(function(courses) {\n                // Whether the course category should be displayed in the course item.\n                var showcoursecategory = $(SELECTORS.BLOCK_CONTAINER).data('displaycoursecategory');\n                courses = courses.map(function(course) {\n                    course.showcoursecategory = showcoursecategory;\n                    return course;\n                });\n                return renderCourses(root, courses);\n            }).then(function(html, js) {\n                return Templates.replaceNodeContents(content, html, js);\n            }).catch(Notification.exception);\n    };\n\n    /**\n     * Register event listeners for the block.\n     *\n     * @param {object} root The calendar root element\n     */\n    var registerEventListeners = function(root) {\n        PubSub.subscribe(CourseEvents.favourited, function() {\n            reloadContent(root);\n        });\n\n        PubSub.subscribe(CourseEvents.unfavorited, function() {\n            reloadContent(root);\n        });\n    };\n\n    /**\n     * Initialise all of the modules for the starred courses block.\n     *\n     * @param {object} root The root element for the block.\n     */\n    var init = function(root) {\n        root = $(root);\n\n        registerEventListeners(root);\n        reloadContent(root);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","Notification","Repository","PubSub","Templates","CourseEvents","SELECTORS","reloadContent","root","content","find","getStarredCourses","limit","offset","then","courses","showcoursecategory","data","map","course","length","render","nocoursesimg","attr","renderCourses","html","js","replaceNodeContents","catch","exception","init","subscribe","favourited","unfavorited","registerEventListeners"],"mappings":";;;;;;AAsBAA,mCACA,CACI,SACA,oBACA,kCACA,cACA,iBACA,uBAEJ,SACIC,EACAC,aACAC,WACAC,OACAC,UACAC,kBAGIC,0BACiB,kCADjBA,sCAE6B,uCAF7BA,iCAGwB,+CA8BxBC,cAAgB,SAASC,UACrBC,QAAUD,KAAKE,KAAKJ,yCAOjBJ,WAAWS,kBALP,CACPC,MAAO,EACPC,OAAQ,IAIPC,MAAK,SAASC,aAEPC,mBAAqBhB,EAAEM,2BAA2BW,KAAK,gCAC3DF,QAAUA,QAAQG,KAAI,SAASC,eAC3BA,OAAOH,mBAAqBA,mBACrBG,UAjCH,SAASX,KAAMO,YAC3BA,QAAQK,OAAS,SACVhB,UAAUiB,OAAO,yBAA0B,CAC9CN,QAASA,cAGTO,aAAed,KAAKE,KAAKJ,uCAAuCiB,KAAK,4BAClEnB,UAAUiB,OAAO,kCAAmC,CACvDC,aAAcA,eA2BPE,CAAchB,KAAMO,YAC5BD,MAAK,SAASW,KAAMC,WACZtB,UAAUuB,oBAAoBlB,QAASgB,KAAMC,OACrDE,MAAM3B,aAAa4B,kBA8BvB,CACHC,KARO,SAAStB,OAfS,SAASA,MAClCL,OAAO4B,UAAU1B,aAAa2B,YAAY,WACtCzB,cAAcC,SAGlBL,OAAO4B,UAAU1B,aAAa4B,aAAa,WACvC1B,cAAcC,UAYlB0B,CAFA1B,KAAOR,EAAEQ,OAGTD,cAAcC"}
\ No newline at end of file
diff --git a/blocks/starredcourses/amd/build/repository.min.js b/blocks/starredcourses/amd/build/repository.min.js
index 98c45aad3e3..86660ce00b3 100644
--- a/blocks/starredcourses/amd/build/repository.min.js
+++ b/blocks/starredcourses/amd/build/repository.min.js
@@ -1,2 +1,10 @@
-define ("block_starredcourses/repository",["jquery","core/ajax","core/notification"],function(a,b,c){return{getStarredCourses:function getStarredCourses(a){var d=b.call([{methodname:"block_starredcourses_get_starred_courses",args:a}])[0];d.fail(c.exception);return d}}});
-//# sourceMappingURL=repository.min.js.map
+/**
+ * A javascript module to retrieve user's starred courses.
+ *
+ * @package    block_starredcourses
+ * @copyright  2018 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_starredcourses/repository",["jquery","core/ajax","core/notification"],(function($,Ajax,Notification){return{getStarredCourses:function(args){var request={methodname:"block_starredcourses_get_starred_courses",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise}}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/blocks/starredcourses/amd/build/repository.min.js.map b/blocks/starredcourses/amd/build/repository.min.js.map
index 41d6b41c486..60857f42c1f 100644
--- a/blocks/starredcourses/amd/build/repository.min.js.map
+++ b/blocks/starredcourses/amd/build/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/repository.js"],"names":["define","$","Ajax","Notification","getStarredCourses","args","promise","call","methodname","fail","exception"],"mappings":"AAsBAA,OAAM,mCAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,mBAAxB,CAAD,CAA+C,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAgC,CA2BjF,MAAO,CACHC,iBAAiB,CAfG,QAApBA,CAAAA,iBAAoB,CAASC,CAAT,CAAe,IAO/BC,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CALV,CACVC,UAAU,CAAE,0CADF,CAEVH,IAAI,CAAEA,CAFI,CAKU,CAAV,EAAqB,CAArB,CAPqB,CASnCC,CAAO,CAACG,IAAR,CAAaN,CAAY,CAACO,SAA1B,EAEA,MAAOJ,CAAAA,CACV,CAEM,CAGV,CA9BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to retrieve user's starred courses.\n *\n * @package    block_starredcourses\n * @copyright  2018 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification'], function($, Ajax, Notification) {\n\n    /**\n     * Retrieve a list of starred courses.\n     *\n     * Valid args are:\n     * int limit    number of records to retrieve\n     * int offset   the offset of records to retrieve\n     *\n     * @method getStarredCourses\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of courses\n     */\n    var getStarredCourses = function(args) {\n\n        var request = {\n            methodname: 'block_starredcourses_get_starred_courses',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    return {\n        getStarredCourses: getStarredCourses\n    };\n});"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../src/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to retrieve user's starred courses.\n *\n * @package    block_starredcourses\n * @copyright  2018 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification'], function($, Ajax, Notification) {\n\n    /**\n     * Retrieve a list of starred courses.\n     *\n     * Valid args are:\n     * int limit    number of records to retrieve\n     * int offset   the offset of records to retrieve\n     *\n     * @method getStarredCourses\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of courses\n     */\n    var getStarredCourses = function(args) {\n\n        var request = {\n            methodname: 'block_starredcourses_get_starred_courses',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    return {\n        getStarredCourses: getStarredCourses\n    };\n});"],"names":["define","$","Ajax","Notification","getStarredCourses","args","request","methodname","promise","call","fail","exception"],"mappings":";;;;;;;AAsBAA,yCAAO,CAAC,SAAU,YAAa,sBAAsB,SAASC,EAAGC,KAAMC,oBA2B5D,CACHC,kBAfoB,SAASC,UAEzBC,QAAU,CACVC,WAAY,2CACZF,KAAMA,MAGNG,QAAUN,KAAKO,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKP,aAAaQ,WAEnBH"}
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/calendar_events_repository.min.js b/blocks/timeline/amd/build/calendar_events_repository.min.js
index 94e56a9fb61..0f2d8047b67 100644
--- a/blocks/timeline/amd/build/calendar_events_repository.min.js
+++ b/blocks/timeline/amd/build/calendar_events_repository.min.js
@@ -1,2 +1,10 @@
-define ("block_timeline/calendar_events_repository",["jquery","core/ajax","core/notification"],function(a,b,c){return{queryByTime:function queryByTime(a){if(!a.hasOwnProperty("limit")){a.limit=20}a.limitnum=a.limit;delete a.limit;if(a.hasOwnProperty("starttime")){a.timesortfrom=a.starttime;delete a.starttime}if(a.hasOwnProperty("endtime")){a.timesortto=a.endtime;delete a.endtime}a.limittononsuspendedevents=!0;var d=b.call([{methodname:"core_calendar_get_action_events_by_timesort",args:a}])[0];d.fail(c.exception);return d},queryByCourse:function queryByCourse(a){if(!a.hasOwnProperty("limit")){a.limit=20}a.limitnum=a.limit;delete a.limit;if(a.hasOwnProperty("starttime")){a.timesortfrom=a.starttime;delete a.starttime}if(a.hasOwnProperty("endtime")){a.timesortto=a.endtime;delete a.endtime}var d=b.call([{methodname:"core_calendar_get_action_events_by_course",args:a}])[0];d.fail(c.exception);return d},queryByCourses:function queryByCourses(a){if(!a.hasOwnProperty("limit")){a.limit=10}a.limitnum=a.limit;delete a.limit;if(a.hasOwnProperty("starttime")){a.timesortfrom=a.starttime;delete a.starttime}if(a.hasOwnProperty("endtime")){a.timesortto=a.endtime;delete a.endtime}var d=b.call([{methodname:"core_calendar_get_action_events_by_courses",args:a}])[0];d.fail(c.exception);return d}}});
-//# sourceMappingURL=calendar_events_repository.min.js.map
+/**
+ * A javascript module to retrieve calendar events from the server.
+ *
+ * @module     block_timeline/calendar_events_repository
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_timeline/calendar_events_repository",["jquery","core/ajax","core/notification"],(function($,Ajax,Notification){return{queryByTime:function(args){args.hasOwnProperty("limit")||(args.limit=20),args.limitnum=args.limit,delete args.limit,args.hasOwnProperty("starttime")&&(args.timesortfrom=args.starttime,delete args.starttime),args.hasOwnProperty("endtime")&&(args.timesortto=args.endtime,delete args.endtime),args.limittononsuspendedevents=!0;var request={methodname:"core_calendar_get_action_events_by_timesort",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise},queryByCourse:function(args){args.hasOwnProperty("limit")||(args.limit=20),args.limitnum=args.limit,delete args.limit,args.hasOwnProperty("starttime")&&(args.timesortfrom=args.starttime,delete args.starttime),args.hasOwnProperty("endtime")&&(args.timesortto=args.endtime,delete args.endtime);var request={methodname:"core_calendar_get_action_events_by_course",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise},queryByCourses:function(args){args.hasOwnProperty("limit")||(args.limit=10),args.limitnum=args.limit,delete args.limit,args.hasOwnProperty("starttime")&&(args.timesortfrom=args.starttime,delete args.starttime),args.hasOwnProperty("endtime")&&(args.timesortto=args.endtime,delete args.endtime);var request={methodname:"core_calendar_get_action_events_by_courses",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise}}}));
+
+//# sourceMappingURL=calendar_events_repository.min.js.map
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/calendar_events_repository.min.js.map b/blocks/timeline/amd/build/calendar_events_repository.min.js.map
index a4aa5e2b7d2..f8dfa0e612e 100644
--- a/blocks/timeline/amd/build/calendar_events_repository.min.js.map
+++ b/blocks/timeline/amd/build/calendar_events_repository.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to retrieve calendar events from the server.\n *\n * @module     block_timeline/calendar_events_repository\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification'], function($, Ajax, Notification) {\n\n    var DEFAULT_LIMIT = 20;\n\n    /**\n     * Retrieve a list of calendar events for the logged in user for the\n     * given course.\n     *\n     * Valid args are:\n     * int courseid     Only get events for this course\n     * int starttime    Only get events after this time\n     * int endtime      Only get events before this time\n     * int limit        Limit the number of results returned\n     * int aftereventid Offset the result set from the given id\n     *\n     * @method queryByCourse\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of the calendar events\n     */\n    var queryByCourse = function(args) {\n        if (!args.hasOwnProperty('limit')) {\n            args.limit = DEFAULT_LIMIT;\n        }\n\n        args.limitnum = args.limit;\n        delete args.limit;\n\n        if (args.hasOwnProperty('starttime')) {\n            args.timesortfrom = args.starttime;\n            delete args.starttime;\n        }\n\n        if (args.hasOwnProperty('endtime')) {\n            args.timesortto = args.endtime;\n            delete args.endtime;\n        }\n\n        var request = {\n            methodname: 'core_calendar_get_action_events_by_course',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Retrieve a list of calendar events for the given courses for the\n     * logged in user.\n     *\n     * Valid args are:\n     * array courseids    Get events for these courses\n     * int   starttime    Only get events after this time\n     * int   endtime      Only get events before this time\n     * int   limit        Limit the number of results returned\n     *\n     * @method queryByCourses\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of the calendar events\n     */\n    var queryByCourses = function(args) {\n        if (!args.hasOwnProperty('limit')) {\n            // This is intentionally smaller than the default limit.\n            args.limit = 10;\n        }\n\n        args.limitnum = args.limit;\n        delete args.limit;\n\n        if (args.hasOwnProperty('starttime')) {\n            args.timesortfrom = args.starttime;\n            delete args.starttime;\n        }\n\n        if (args.hasOwnProperty('endtime')) {\n            args.timesortto = args.endtime;\n            delete args.endtime;\n        }\n\n        var request = {\n            methodname: 'core_calendar_get_action_events_by_courses',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Retrieve a list of calendar events for the logged in user after the given\n     * time.\n     *\n     * Valid args are:\n     * int starttime    Only get events after this time\n     * int endtime      Only get events before this time\n     * int limit        Limit the number of results returned\n     * int aftereventid Offset the result set from the given id\n     *\n     * @method queryByTime\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of the calendar events\n     */\n    var queryByTime = function(args) {\n        if (!args.hasOwnProperty('limit')) {\n            args.limit = DEFAULT_LIMIT;\n        }\n\n        args.limitnum = args.limit;\n        delete args.limit;\n\n        if (args.hasOwnProperty('starttime')) {\n            args.timesortfrom = args.starttime;\n            delete args.starttime;\n        }\n\n        if (args.hasOwnProperty('endtime')) {\n            args.timesortto = args.endtime;\n            delete args.endtime;\n        }\n        // Don't show events related to courses that the user is suspended in.\n        args.limittononsuspendedevents = true;\n\n        var request = {\n            methodname: 'core_calendar_get_action_events_by_timesort',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    return {\n        queryByTime: queryByTime,\n        queryByCourse: queryByCourse,\n        queryByCourses: queryByCourses,\n    };\n});\n"],"file":"calendar_events_repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"calendar_events_repository.min.js","sources":["../src/calendar_events_repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to retrieve calendar events from the server.\n *\n * @module     block_timeline/calendar_events_repository\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification'], function($, Ajax, Notification) {\n\n    var DEFAULT_LIMIT = 20;\n\n    /**\n     * Retrieve a list of calendar events for the logged in user for the\n     * given course.\n     *\n     * Valid args are:\n     * int courseid     Only get events for this course\n     * int starttime    Only get events after this time\n     * int endtime      Only get events before this time\n     * int limit        Limit the number of results returned\n     * int aftereventid Offset the result set from the given id\n     *\n     * @method queryByCourse\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of the calendar events\n     */\n    var queryByCourse = function(args) {\n        if (!args.hasOwnProperty('limit')) {\n            args.limit = DEFAULT_LIMIT;\n        }\n\n        args.limitnum = args.limit;\n        delete args.limit;\n\n        if (args.hasOwnProperty('starttime')) {\n            args.timesortfrom = args.starttime;\n            delete args.starttime;\n        }\n\n        if (args.hasOwnProperty('endtime')) {\n            args.timesortto = args.endtime;\n            delete args.endtime;\n        }\n\n        var request = {\n            methodname: 'core_calendar_get_action_events_by_course',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Retrieve a list of calendar events for the given courses for the\n     * logged in user.\n     *\n     * Valid args are:\n     * array courseids    Get events for these courses\n     * int   starttime    Only get events after this time\n     * int   endtime      Only get events before this time\n     * int   limit        Limit the number of results returned\n     *\n     * @method queryByCourses\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of the calendar events\n     */\n    var queryByCourses = function(args) {\n        if (!args.hasOwnProperty('limit')) {\n            // This is intentionally smaller than the default limit.\n            args.limit = 10;\n        }\n\n        args.limitnum = args.limit;\n        delete args.limit;\n\n        if (args.hasOwnProperty('starttime')) {\n            args.timesortfrom = args.starttime;\n            delete args.starttime;\n        }\n\n        if (args.hasOwnProperty('endtime')) {\n            args.timesortto = args.endtime;\n            delete args.endtime;\n        }\n\n        var request = {\n            methodname: 'core_calendar_get_action_events_by_courses',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Retrieve a list of calendar events for the logged in user after the given\n     * time.\n     *\n     * Valid args are:\n     * int starttime    Only get events after this time\n     * int endtime      Only get events before this time\n     * int limit        Limit the number of results returned\n     * int aftereventid Offset the result set from the given id\n     *\n     * @method queryByTime\n     * @param {object} args The request arguments\n     * @return {promise} Resolved with an array of the calendar events\n     */\n    var queryByTime = function(args) {\n        if (!args.hasOwnProperty('limit')) {\n            args.limit = DEFAULT_LIMIT;\n        }\n\n        args.limitnum = args.limit;\n        delete args.limit;\n\n        if (args.hasOwnProperty('starttime')) {\n            args.timesortfrom = args.starttime;\n            delete args.starttime;\n        }\n\n        if (args.hasOwnProperty('endtime')) {\n            args.timesortto = args.endtime;\n            delete args.endtime;\n        }\n        // Don't show events related to courses that the user is suspended in.\n        args.limittononsuspendedevents = true;\n\n        var request = {\n            methodname: 'core_calendar_get_action_events_by_timesort',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    return {\n        queryByTime: queryByTime,\n        queryByCourse: queryByCourse,\n        queryByCourses: queryByCourses,\n    };\n});\n"],"names":["define","$","Ajax","Notification","queryByTime","args","hasOwnProperty","limit","limitnum","timesortfrom","starttime","timesortto","endtime","limittononsuspendedevents","request","methodname","promise","call","fail","exception","queryByCourse","queryByCourses"],"mappings":";;;;;;;AAsBAA,mDAAO,CAAC,SAAU,YAAa,sBAAsB,SAASC,EAAGC,KAAMC,oBA4I5D,CACHC,YAjCc,SAASC,MAClBA,KAAKC,eAAe,WACrBD,KAAKE,MA5GO,IA+GhBF,KAAKG,SAAWH,KAAKE,aACdF,KAAKE,MAERF,KAAKC,eAAe,eACpBD,KAAKI,aAAeJ,KAAKK,iBAClBL,KAAKK,WAGZL,KAAKC,eAAe,aACpBD,KAAKM,WAAaN,KAAKO,eAChBP,KAAKO,SAGhBP,KAAKQ,2BAA4B,MAE7BC,QAAU,CACVC,WAAY,8CACZV,KAAMA,MAGNW,QAAUd,KAAKe,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKf,aAAagB,WAEnBH,SAKPI,cA3HgB,SAASf,MACpBA,KAAKC,eAAe,WACrBD,KAAKE,MAnBO,IAsBhBF,KAAKG,SAAWH,KAAKE,aACdF,KAAKE,MAERF,KAAKC,eAAe,eACpBD,KAAKI,aAAeJ,KAAKK,iBAClBL,KAAKK,WAGZL,KAAKC,eAAe,aACpBD,KAAKM,WAAaN,KAAKO,eAChBP,KAAKO,aAGZE,QAAU,CACVC,WAAY,4CACZV,KAAMA,MAGNW,QAAUd,KAAKe,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKf,aAAagB,WAEnBH,SAiGPK,eAhFiB,SAAShB,MACrBA,KAAKC,eAAe,WAErBD,KAAKE,MAAQ,IAGjBF,KAAKG,SAAWH,KAAKE,aACdF,KAAKE,MAERF,KAAKC,eAAe,eACpBD,KAAKI,aAAeJ,KAAKK,iBAClBL,KAAKK,WAGZL,KAAKC,eAAe,aACpBD,KAAKM,WAAaN,KAAKO,eAChBP,KAAKO,aAGZE,QAAU,CACVC,WAAY,6CACZV,KAAMA,MAGNW,QAAUd,KAAKe,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKf,aAAagB,WAEnBH"}
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/event_list.min.js b/blocks/timeline/amd/build/event_list.min.js
index 3b3f2b24a73..d9335040d75 100644
--- a/blocks/timeline/amd/build/event_list.min.js
+++ b/blocks/timeline/amd/build/event_list.min.js
@@ -1,2 +1,12 @@
-define ("block_timeline/event_list",["jquery","core/notification","core/templates","core/paged_content_factory","core/str","core/user_date","block_timeline/calendar_events_repository"],function(a,b,c,d,e,f,g){var h={EMPTY_MESSAGE:"[data-region=\"empty-message\"]",ROOT:"[data-region=\"event-list-container\"]",EVENT_LIST_CONTENT:"[data-region=\"event-list-content\"]",EVENT_LIST_LOADING_PLACEHOLDER:"[data-region=\"event-list-loading-placeholder\"]"},i={EVENT_LIST_CONTENT:"block_timeline/event-list-content"},j={ignoreControlWhileLoading:!0,controlPlacementBottom:!0,ariaLabels:{itemsperpagecomponents:"ariaeventlistpagelimit, block_timeline"}},k=function(a){a.find(h.EVENT_LIST_CONTENT).addClass("hidden");a.find(h.EMPTY_MESSAGE).removeClass("hidden")},l=function(a){a.find(h.EVENT_LIST_CONTENT).removeClass("hidden");a.find(h.EMPTY_MESSAGE).addClass("hidden")},m=function(a){a.find(h.EVENT_LIST_CONTENT).empty()},n=function(a,b){var c={},d={eventsbyday:[]};a.forEach(function(a){var d=f.getUserMidnightForTimestamp(a.timesort,b);if(c[d]){c[d].push(a)}else{c[d]=[a]}});Object.keys(c).forEach(function(a){var e=c[a];d.eventsbyday.push({past:a<b,dayTimestamp:a,events:e})});return d},o=function(a,b){var d=n(a,b),e=i.EVENT_LIST_CONTENT;return c.render(e,d)},p=function(a,b,c,d,e,f){var h=d!=void 0?a+d*86400:!1,i={starttime:a+c*86400,limit:b};if(e){i.aftereventid=e}if(h){i.endtime=h}if(f){i.courseid=f;return g.queryByCourse(i)}else{return g.queryByTime(i)}},q=function(a,b,c,d,e,g,h,i){var j=a.pageNumber,k=a.limit,l=j;while(!d.hasOwnProperty(l)){l--}var m=d[l],n=null;if(e&&e.hasOwnProperty(j)){n=e[j]}else{n=p(c,k+1,h,i,m,g)}return n.then(function(a){if(!a.events.length){b.allItemsLoaded(j);return[]}var d=a.events.filter(function(a){if("open"==a.eventtype||"opensubmission"==a.eventtype){var b=f.getUserMidnightForTimestamp(a.timesort,c);return b>c}return!0}),e=d.length<=k;if(e){b.allItemsLoaded(j)}else{d.pop()}return d})},r=function(c,f,g,h,i,k,l,m,n){var p={1:0},r=!1,s=a.extend({},j,n);return e.get_string("ariaeventlistpagelimit","block_timeline",a.isArray(c)?c[0].value:c).then(function(a){s.ariaLabels.itemsperpage=a;s.ariaLabels.paginationnav=m;return a}).then(function(){return d.createWithLimit(c,function(c,d){var e=[];c.forEach(function(a){var c=a.pageNumber,h=q(a,d,g,p,f,i,k,l).then(function(a){if(a.length){r=!0;var b=a[a.length-1].id;p[c+1]=b;return o(a,g)}else{return a}}).catch(b.exception);e.push(h)});a.when.apply(a,e).then(function(){h.resolve(r)}).catch(function(){h.resolve(r)});return e},s)})};return{init:function init(d,e,f,g,i){d=a(d);var j=a.Deferred(),n=d.find(h.EVENT_LIST_CONTENT),o=d.find(h.EVENT_LIST_LOADING_PLACEHOLDER),p=d.attr("data-course-id"),q=parseInt(d.attr("data-days-offset"),10),s=d.attr("data-days-limit"),t=parseInt(d.attr("data-midnight"),10);m(d);l(d);o.removeClass("hidden");if(s!=void 0){s=parseInt(s,10)}return r(e,f,t,j,p,q,s,g,i).then(function(b,e){b=a(b);b.addClass("hidden");c.replaceNodeContents(n,b,e);j.then(function(a){b.removeClass("hidden");o.addClass("hidden");if(!a){k(d)}return a}).catch(function(){return!1});return b}).catch(b.exception)},rootSelector:h.ROOT}});
-//# sourceMappingURL=event_list.min.js.map
+/**
+ * Javascript to load and render the list of calendar events for a
+ * given day range.
+ *
+ * @module     block_timeline/event_list
+ * @package    block_timeline
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_timeline/event_list",["jquery","core/notification","core/templates","core/paged_content_factory","core/str","core/user_date","block_timeline/calendar_events_repository"],(function($,Notification,Templates,PagedContentFactory,Str,UserDate,CalendarEventsRepository){var SELECTORS_EMPTY_MESSAGE='[data-region="empty-message"]',SELECTORS_EVENT_LIST_CONTENT='[data-region="event-list-content"]',SELECTORS_EVENT_LIST_LOADING_PLACEHOLDER='[data-region="event-list-loading-placeholder"]',TEMPLATES_EVENT_LIST_CONTENT="block_timeline/event-list-content",DEFAULT_PAGED_CONTENT_CONFIG={ignoreControlWhileLoading:!0,controlPlacementBottom:!0,ariaLabels:{itemsperpagecomponents:"ariaeventlistpagelimit, block_timeline"}},render=function(calendarEvents,midnight){var templateContext=function(calendarEvents,midnight){var eventsByDay={},templateContext={eventsbyday:[]};return calendarEvents.forEach((function(calendarEvent){var dayTimestamp=UserDate.getUserMidnightForTimestamp(calendarEvent.timesort,midnight);eventsByDay[dayTimestamp]?eventsByDay[dayTimestamp].push(calendarEvent):eventsByDay[dayTimestamp]=[calendarEvent]})),Object.keys(eventsByDay).forEach((function(dayTimestamp){var events=eventsByDay[dayTimestamp];templateContext.eventsbyday.push({past:dayTimestamp<midnight,dayTimestamp:dayTimestamp,events:events})})),templateContext}(calendarEvents,midnight),templateName=TEMPLATES_EVENT_LIST_CONTENT;return Templates.render(templateName,templateContext)},loadEventsFromPageData=function(pageData,actions,midnight,lastIds,preloadedPages,courseId,daysOffset,daysLimit){for(var pageNumber=pageData.pageNumber,limit=pageData.limit,lastPageNumber=pageNumber;!lastIds.hasOwnProperty(lastPageNumber);)lastPageNumber--;var lastId=lastIds[lastPageNumber],eventsPromise=null;return eventsPromise=preloadedPages&&preloadedPages.hasOwnProperty(pageNumber)?preloadedPages[pageNumber]:function(midnight,limit,daysOffset,daysLimit,lastId,courseId){var endTime=null!=daysLimit&&midnight+86400*daysLimit,args={starttime:midnight+86400*daysOffset,limit:limit};return lastId&&(args.aftereventid=lastId),endTime&&(args.endtime=endTime),courseId?(args.courseid=courseId,CalendarEventsRepository.queryByCourse(args)):CalendarEventsRepository.queryByTime(args)}(midnight,limit+1,daysOffset,daysLimit,lastId,courseId),eventsPromise.then((function(result){if(!result.events.length)return actions.allItemsLoaded(pageNumber),[];var calendarEvents=result.events.filter((function(event){return"open"!=event.eventtype&&"opensubmission"!=event.eventtype||UserDate.getUserMidnightForTimestamp(event.timesort,midnight)>midnight}));return calendarEvents.length<=limit?actions.allItemsLoaded(pageNumber):calendarEvents.pop(),calendarEvents}))};return{init:function(root,pageLimit,preloadedPages,paginationAriaLabel,additionalConfig){root=$(root);var firstLoad=$.Deferred(),eventListContent=root.find(SELECTORS_EVENT_LIST_CONTENT),loadingPlaceholder=root.find(SELECTORS_EVENT_LIST_LOADING_PLACEHOLDER),courseId=root.attr("data-course-id"),daysOffset=parseInt(root.attr("data-days-offset"),10),daysLimit=root.attr("data-days-limit"),midnight=parseInt(root.attr("data-midnight"),10);return function(root){root.find(SELECTORS_EVENT_LIST_CONTENT).empty()}(root),function(root){root.find(SELECTORS_EVENT_LIST_CONTENT).removeClass("hidden"),root.find(SELECTORS_EMPTY_MESSAGE).addClass("hidden")}(root),loadingPlaceholder.removeClass("hidden"),null!=daysLimit&&(daysLimit=parseInt(daysLimit,10)),function(pageLimit,preloadedPages,midnight,firstLoad,courseId,daysOffset,daysLimit,paginationAriaLabel,additionalConfig){var lastIds={1:0},hasContent=!1,config=$.extend({},DEFAULT_PAGED_CONTENT_CONFIG,additionalConfig);return Str.get_string("ariaeventlistpagelimit","block_timeline",$.isArray(pageLimit)?pageLimit[0].value:pageLimit).then((function(string){return config.ariaLabels.itemsperpage=string,config.ariaLabels.paginationnav=paginationAriaLabel,string})).then((function(){return PagedContentFactory.createWithLimit(pageLimit,(function(pagesData,actions){var promises=[];return pagesData.forEach((function(pageData){var pageNumber=pageData.pageNumber,pagePromise=loadEventsFromPageData(pageData,actions,midnight,lastIds,preloadedPages,courseId,daysOffset,daysLimit).then((function(calendarEvents){if(calendarEvents.length){hasContent=!0;var lastEventId=calendarEvents[calendarEvents.length-1].id;return lastIds[pageNumber+1]=lastEventId,render(calendarEvents,midnight)}return calendarEvents})).catch(Notification.exception);promises.push(pagePromise)})),$.when.apply($,promises).then((function(){firstLoad.resolve(hasContent)})).catch((function(){firstLoad.resolve(hasContent)})),promises}),config)}))}(pageLimit,preloadedPages,midnight,firstLoad,courseId,daysOffset,daysLimit,paginationAriaLabel,additionalConfig).then((function(html,js){return(html=$(html)).addClass("hidden"),Templates.replaceNodeContents(eventListContent,html,js),firstLoad.then((function(hasContent){return html.removeClass("hidden"),loadingPlaceholder.addClass("hidden"),hasContent||function(root){root.find(SELECTORS_EVENT_LIST_CONTENT).addClass("hidden"),root.find(SELECTORS_EMPTY_MESSAGE).removeClass("hidden")}(root),hasContent})).catch((function(){return!1})),html})).catch(Notification.exception)},rootSelector:'[data-region="event-list-container"]'}}));
+
+//# sourceMappingURL=event_list.min.js.map
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/event_list.min.js.map b/blocks/timeline/amd/build/event_list.min.js.map
index 4d8f7bd803f..a605b1afab1 100644
--- a/blocks/timeline/amd/build/event_list.min.js.map
+++ b/blocks/timeline/amd/build/event_list.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/event_list.js"],"names":["define","$","Notification","Templates","PagedContentFactory","Str","UserDate","CalendarEventsRepository","SELECTORS","EMPTY_MESSAGE","ROOT","EVENT_LIST_CONTENT","EVENT_LIST_LOADING_PLACEHOLDER","TEMPLATES","DEFAULT_PAGED_CONTENT_CONFIG","ignoreControlWhileLoading","controlPlacementBottom","ariaLabels","itemsperpagecomponents","hideContent","root","find","addClass","removeClass","showContent","emptyContent","empty","buildTemplateContext","calendarEvents","midnight","eventsByDay","templateContext","eventsbyday","forEach","calendarEvent","dayTimestamp","getUserMidnightForTimestamp","timesort","push","Object","keys","events","past","render","templateName","load","limit","daysOffset","daysLimit","lastId","courseId","endTime","args","starttime","aftereventid","endtime","courseid","queryByCourse","queryByTime","loadEventsFromPageData","pageData","actions","lastIds","preloadedPages","pageNumber","lastPageNumber","hasOwnProperty","eventsPromise","then","result","length","allItemsLoaded","filter","event","eventtype","loadedAll","pop","createPagedContent","pageLimit","firstLoad","paginationAriaLabel","additionalConfig","hasContent","config","extend","get_string","isArray","value","string","itemsperpage","paginationnav","createWithLimit","pagesData","promises","pagePromise","lastEventId","id","catch","exception","when","apply","resolve","init","Deferred","eventListContent","loadingPlaceholder","attr","parseInt","html","js","replaceNodeContents","rootSelector"],"mappings":"AAwBAA,OAAM,6BACN,CACI,QADJ,CAEI,mBAFJ,CAGI,gBAHJ,CAII,4BAJJ,CAKI,UALJ,CAMI,gBANJ,CAOI,2CAPJ,CADM,CAUN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAMIC,CANJ,CAOIC,CAPJ,CAQE,IAIMC,CAAAA,CAAS,CAAG,CACZC,aAAa,CAAE,iCADH,CAEZC,IAAI,CAAE,wCAFM,CAGZC,kBAAkB,CAAE,sCAHR,CAIZC,8BAA8B,CAAE,kDAJpB,CAJlB,CAWMC,CAAS,CAAG,CACZF,kBAAkB,CAAE,mCADR,CAXlB,CAiBMG,CAA4B,CAAG,CAC/BC,yBAAyB,GADM,CAE/BC,sBAAsB,GAFS,CAG/BC,UAAU,CAAE,CACRC,sBAAsB,CAAE,wCADhB,CAHmB,CAjBrC,CA8BMC,CAAW,CAAG,SAASC,CAAT,CAAe,CAC7BA,CAAI,CAACC,IAAL,CAAUb,CAAS,CAACG,kBAApB,EAAwCW,QAAxC,CAAiD,QAAjD,EACAF,CAAI,CAACC,IAAL,CAAUb,CAAS,CAACC,aAApB,EAAmCc,WAAnC,CAA+C,QAA/C,CACH,CAjCH,CAwCMC,CAAW,CAAG,SAASJ,CAAT,CAAe,CAC7BA,CAAI,CAACC,IAAL,CAAUb,CAAS,CAACG,kBAApB,EAAwCY,WAAxC,CAAoD,QAApD,EACAH,CAAI,CAACC,IAAL,CAAUb,CAAS,CAACC,aAApB,EAAmCa,QAAnC,CAA4C,QAA5C,CACH,CA3CH,CAkDMG,CAAY,CAAG,SAASL,CAAT,CAAe,CAC9BA,CAAI,CAACC,IAAL,CAAUb,CAAS,CAACG,kBAApB,EAAwCe,KAAxC,EACH,CApDH,CAqFMC,CAAoB,CAAG,SAASC,CAAT,CAAyBC,CAAzB,CAAmC,IACtDC,CAAAA,CAAW,CAAG,EADwC,CAEtDC,CAAe,CAAG,CAClBC,WAAW,CAAE,EADK,CAFoC,CAM1DJ,CAAc,CAACK,OAAf,CAAuB,SAASC,CAAT,CAAwB,CAC3C,GAAIC,CAAAA,CAAY,CAAG7B,CAAQ,CAAC8B,2BAAT,CAAqCF,CAAa,CAACG,QAAnD,CAA6DR,CAA7D,CAAnB,CACA,GAAIC,CAAW,CAACK,CAAD,CAAf,CAA+B,CAC3BL,CAAW,CAACK,CAAD,CAAX,CAA0BG,IAA1B,CAA+BJ,CAA/B,CACH,CAFD,IAEO,CACHJ,CAAW,CAACK,CAAD,CAAX,CAA4B,CAACD,CAAD,CAC/B,CACJ,CAPD,EASAK,MAAM,CAACC,IAAP,CAAYV,CAAZ,EAAyBG,OAAzB,CAAiC,SAASE,CAAT,CAAuB,CACpD,GAAIM,CAAAA,CAAM,CAAGX,CAAW,CAACK,CAAD,CAAxB,CACAJ,CAAe,CAACC,WAAhB,CAA4BM,IAA5B,CAAiC,CAC7BI,IAAI,CAAEP,CAAY,CAAGN,CADQ,CAE7BM,YAAY,CAAEA,CAFe,CAG7BM,MAAM,CAAEA,CAHqB,CAAjC,CAKH,CAPD,EASA,MAAOV,CAAAA,CACV,CA9GH,CAuHMY,CAAM,CAAG,SAASf,CAAT,CAAyBC,CAAzB,CAAmC,IACxCE,CAAAA,CAAe,CAAGJ,CAAoB,CAACC,CAAD,CAAiBC,CAAjB,CADE,CAExCe,CAAY,CAAG/B,CAAS,CAACF,kBAFe,CAI5C,MAAOR,CAAAA,CAAS,CAACwC,MAAV,CAAiBC,CAAjB,CAA+Bb,CAA/B,CACV,CA5HH,CA0IMc,CAAI,CAAG,SAAShB,CAAT,CAAmBiB,CAAnB,CAA0BC,CAA1B,CAAsCC,CAAtC,CAAiDC,CAAjD,CAAyDC,CAAzD,CAAmE,IAEtEC,CAAAA,CAAO,CAAGH,CAAS,QAAT,CAAyBnB,CAAQ,CAAImB,CAAS,MAA9C,GAF4D,CAItEI,CAAI,CAAG,CACPC,SAAS,CAJGxB,CAAQ,CAAIkB,CAAU,MAG3B,CAEPD,KAAK,CAAEA,CAFA,CAJ+D,CAS1E,GAAIG,CAAJ,CAAY,CACRG,CAAI,CAACE,YAAL,CAAoBL,CACvB,CAED,GAAIE,CAAJ,CAAa,CACTC,CAAI,CAACG,OAAL,CAAeJ,CAClB,CAED,GAAID,CAAJ,CAAc,CAEVE,CAAI,CAACI,QAAL,CAAgBN,CAAhB,CACA,MAAO3C,CAAAA,CAAwB,CAACkD,aAAzB,CAAuCL,CAAvC,CACV,CAJD,IAIO,CAEH,MAAO7C,CAAAA,CAAwB,CAACmD,WAAzB,CAAqCN,CAArC,CACV,CACJ,CAnKH,CAsLMO,CAAsB,CAAG,SACzBC,CADyB,CAEzBC,CAFyB,CAGzBhC,CAHyB,CAIzBiC,CAJyB,CAKzBC,CALyB,CAMzBb,CANyB,CAOzBH,CAPyB,CAQzBC,CARyB,CAS3B,IACMgB,CAAAA,CAAU,CAAGJ,CAAQ,CAACI,UAD5B,CAEMlB,CAAK,CAAGc,CAAQ,CAACd,KAFvB,CAGMmB,CAAc,CAAGD,CAHvB,CASE,MAAO,CAACF,CAAO,CAACI,cAAR,CAAuBD,CAAvB,CAAR,CAAgD,CAC5CA,CAAc,EACjB,CAXH,GAaMhB,CAAAA,CAAM,CAAGa,CAAO,CAACG,CAAD,CAbtB,CAcME,CAAa,CAAG,IAdtB,CAgBE,GAAIJ,CAAc,EAAIA,CAAc,CAACG,cAAf,CAA8BF,CAA9B,CAAtB,CAAiE,CAG7DG,CAAa,CAAGJ,CAAc,CAACC,CAAD,CACjC,CAJD,IAIO,CAGHG,CAAa,CAAGtB,CAAI,CAAChB,CAAD,CAAWiB,CAAK,CAAG,CAAnB,CAAsBC,CAAtB,CAAkCC,CAAlC,CAA6CC,CAA7C,CAAqDC,CAArD,CACvB,CAED,MAAOiB,CAAAA,CAAa,CAACC,IAAd,CAAmB,SAASC,CAAT,CAAiB,CACvC,GAAI,CAACA,CAAM,CAAC5B,MAAP,CAAc6B,MAAnB,CAA2B,CAGvBT,CAAO,CAACU,cAAR,CAAuBP,CAAvB,EACA,MAAO,EACV,CANsC,GAQnCpC,CAAAA,CAAc,CAAGyC,CAAM,CAAC5B,MAAP,CAAc+B,MAAd,CAAqB,SAASC,CAAT,CAAgB,CACtD,GAAuB,MAAnB,EAAAA,CAAK,CAACC,SAAN,EAAgD,gBAAnB,EAAAD,CAAK,CAACC,SAAvC,CAAsE,CAClE,GAAIvC,CAAAA,CAAY,CAAG7B,CAAQ,CAAC8B,2BAAT,CAAqCqC,CAAK,CAACpC,QAA3C,CAAqDR,CAArD,CAAnB,CACA,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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to load and render the list of calendar events for a\n * given day range.\n *\n * @module     block_timeline/event_list\n * @package    block_timeline\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/templates',\n    'core/paged_content_factory',\n    'core/str',\n    'core/user_date',\n    'block_timeline/calendar_events_repository'\n],\nfunction(\n    $,\n    Notification,\n    Templates,\n    PagedContentFactory,\n    Str,\n    UserDate,\n    CalendarEventsRepository\n) {\n\n    var SECONDS_IN_DAY = 60 * 60 * 24;\n\n    var SELECTORS = {\n        EMPTY_MESSAGE: '[data-region=\"empty-message\"]',\n        ROOT: '[data-region=\"event-list-container\"]',\n        EVENT_LIST_CONTENT: '[data-region=\"event-list-content\"]',\n        EVENT_LIST_LOADING_PLACEHOLDER: '[data-region=\"event-list-loading-placeholder\"]',\n    };\n\n    var TEMPLATES = {\n        EVENT_LIST_CONTENT: 'block_timeline/event-list-content'\n    };\n\n    // We want the paged content controls below the paged content area\n    // and the controls should be ignored while data is loading.\n    var DEFAULT_PAGED_CONTENT_CONFIG = {\n        ignoreControlWhileLoading: true,\n        controlPlacementBottom: true,\n        ariaLabels: {\n            itemsperpagecomponents: 'ariaeventlistpagelimit, block_timeline',\n        }\n    };\n\n    /**\n     * Hide the content area and display the empty content message.\n     *\n     * @param {object} root The container element\n     */\n    var hideContent = function(root) {\n        root.find(SELECTORS.EVENT_LIST_CONTENT).addClass('hidden');\n        root.find(SELECTORS.EMPTY_MESSAGE).removeClass('hidden');\n    };\n\n    /**\n     * Show the content area and hide the empty content message.\n     *\n     * @param {object} root The container element\n     */\n    var showContent = function(root) {\n        root.find(SELECTORS.EVENT_LIST_CONTENT).removeClass('hidden');\n        root.find(SELECTORS.EMPTY_MESSAGE).addClass('hidden');\n    };\n\n    /**\n     * Empty the content area.\n     *\n     * @param {object} root The container element\n     */\n    var emptyContent = function(root) {\n        root.find(SELECTORS.EVENT_LIST_CONTENT).empty();\n    };\n\n    /**\n     * Construct the template context from a list of calendar events. The events\n     * are grouped by which day they are on. The day is calculated from the user's\n     * midnight timestamp to ensure that the calculation is timezone agnostic.\n     *\n     * The return data structure will look like:\n     * {\n     *      eventsbyday: [\n     *          {\n     *              dayTimestamp: 1533744000,\n     *              events: [\n     *                  { ...event 1 data... },\n     *                  { ...event 2 data... }\n     *              ]\n     *          },\n     *          {\n     *              dayTimestamp: 1533830400,\n     *              events: [\n     *                  { ...event 3 data... },\n     *                  { ...event 4 data... }\n     *              ]\n     *          }\n     *      ]\n     * }\n     *\n     * Each day timestamp is the day's midnight in the user's timezone.\n     *\n     * @param {array} calendarEvents List of calendar events\n     * @param {Number} midnight A timestamp representing midnight in the user's timezone\n     * @return {object}\n     */\n    var buildTemplateContext = function(calendarEvents, midnight) {\n        var eventsByDay = {};\n        var templateContext = {\n            eventsbyday: []\n        };\n\n        calendarEvents.forEach(function(calendarEvent) {\n            var dayTimestamp = UserDate.getUserMidnightForTimestamp(calendarEvent.timesort, midnight);\n            if (eventsByDay[dayTimestamp]) {\n                eventsByDay[dayTimestamp].push(calendarEvent);\n            } else {\n                eventsByDay[dayTimestamp] = [calendarEvent];\n            }\n        });\n\n        Object.keys(eventsByDay).forEach(function(dayTimestamp) {\n            var events = eventsByDay[dayTimestamp];\n            templateContext.eventsbyday.push({\n                past: dayTimestamp < midnight,\n                dayTimestamp: dayTimestamp,\n                events: events\n            });\n        });\n\n        return templateContext;\n    };\n\n    /**\n     * Render the HTML for the given calendar events.\n     *\n     * @param {array} calendarEvents  A list of calendar events\n     * @param {Number} midnight A timestamp representing midnight for the user\n     * @return {promise} Resolved with HTML and JS strings.\n     */\n    var render = function(calendarEvents, midnight) {\n        var templateContext = buildTemplateContext(calendarEvents, midnight);\n        var templateName = TEMPLATES.EVENT_LIST_CONTENT;\n\n        return Templates.render(templateName, templateContext);\n    };\n\n    /**\n     * Retrieve a list of calendar events from the server for the given\n     * constraints.\n     *\n     * @param {Number} midnight The user's midnight time in unix timestamp.\n     * @param {Number} limit Limit the result set to this number of items\n     * @param {Number} daysOffset How many days (from midnight) to offset the results from\n     * @param {int|undefined} daysLimit How many dates (from midnight) to limit the result to\n     * @param {int|falsey} lastId The ID of the last seen event (if any)\n     * @param {int|undefined} courseId Course ID to restrict events to\n     * @return {promise} A jquery promise\n     */\n    var load = function(midnight, limit, daysOffset, daysLimit, lastId, courseId) {\n        var startTime = midnight + (daysOffset * SECONDS_IN_DAY);\n        var endTime = daysLimit != undefined ? midnight + (daysLimit * SECONDS_IN_DAY) : false;\n\n        var args = {\n            starttime: startTime,\n            limit: limit,\n        };\n\n        if (lastId) {\n            args.aftereventid = lastId;\n        }\n\n        if (endTime) {\n            args.endtime = endTime;\n        }\n\n        if (courseId) {\n            // If we have a course id then we only want events from that course.\n            args.courseid = courseId;\n            return CalendarEventsRepository.queryByCourse(args);\n        } else {\n            // Otherwise we want events from any course.\n            return CalendarEventsRepository.queryByTime(args);\n        }\n    };\n\n    /**\n     * Handle a single page request from the paged content. Uses the given page data to request\n     * the events from the server.\n     *\n     * Checks the given preloadedPages before sending a request to the server to make sure we\n     * don't load data unnecessarily.\n     *\n     * @param {object} pageData A single page data (see core/paged_content_pages for more info).\n     * @param {object} actions Paged content actions (see core/paged_content_pages for more info).\n     * @param {Number} midnight The user's midnight time in unix timestamp.\n     * @param {object} lastIds The last event ID for each loaded page. Page number is key, id is value.\n     * @param {object} preloadedPages An object of preloaded page data. Page number as key, data promise as value.\n     * @param {int|undefined} courseId Course ID to restrict events to\n     * @param {Number} daysOffset How many days (from midnight) to offset the results from\n     * @param {int|undefined} daysLimit How many dates (from midnight) to limit the result to\n     * @return {object} jQuery promise resolved with calendar events.\n     */\n    var loadEventsFromPageData = function(\n        pageData,\n        actions,\n        midnight,\n        lastIds,\n        preloadedPages,\n        courseId,\n        daysOffset,\n        daysLimit\n    ) {\n        var pageNumber = pageData.pageNumber;\n        var limit = pageData.limit;\n        var lastPageNumber = pageNumber;\n\n        // This is here to protect us if, for some reason, the pages\n        // are loaded out of order somehow and we don't have a reference\n        // to the previous page. In that case, scan back to find the most\n        // recent page we've seen.\n        while (!lastIds.hasOwnProperty(lastPageNumber)) {\n            lastPageNumber--;\n        }\n        // Use the last id of the most recent page.\n        var lastId = lastIds[lastPageNumber];\n        var eventsPromise = null;\n\n        if (preloadedPages && preloadedPages.hasOwnProperty(pageNumber)) {\n            // This page has been preloaded so use that rather than load the values\n            // again.\n            eventsPromise = preloadedPages[pageNumber];\n        } else {\n            // Load one more than the given limit so that we can tell if there\n            // is more content to load after this.\n            eventsPromise = load(midnight, limit + 1, daysOffset, daysLimit, lastId, courseId);\n        }\n\n        return eventsPromise.then(function(result) {\n            if (!result.events.length) {\n                // If we didn't get any events back then tell the paged content\n                // that we're done loading.\n                actions.allItemsLoaded(pageNumber);\n                return [];\n            }\n\n            var calendarEvents = result.events.filter(function(event) {\n                if (event.eventtype == \"open\" || event.eventtype == \"opensubmission\") {\n                    var dayTimestamp = UserDate.getUserMidnightForTimestamp(event.timesort, midnight);\n                    return dayTimestamp > midnight;\n                }\n                return true;\n            });\n            // We expect to receive limit + 1 events back from the server.\n            // Any less means there are no more events to load.\n            var loadedAll = calendarEvents.length <= limit;\n\n            if (loadedAll) {\n                // Tell the pagination that everything is loaded.\n                actions.allItemsLoaded(pageNumber);\n            } else {\n                // Remove the last element from the array because it isn't\n                // needed in this result set.\n                calendarEvents.pop();\n            }\n\n            return calendarEvents;\n        });\n    };\n\n    /**\n     * Use the paged content factory to create a paged content element for showing\n     * the event list. We only provide a page limit to the factory because we don't\n     * know exactly how many pages we'll need. This creates a paging bar with just\n     * next/previous buttons.\n     *\n     * This function specifies the callback for loading the event data that the user\n     * is requesting.\n     *\n     * @param {int|array} pageLimit A single limit or list of limits as options for the paged content\n     * @param {object} preloadedPages An object of preloaded page data. Page number as key, data promise as value.\n     * @param {Number} midnight The user's midnight time in unix timestamp.\n     * @param {object} firstLoad A jQuery promise to be resolved after the first set of data is loaded.\n     * @param {int|undefined} courseId Course ID to restrict events to\n     * @param {Number} daysOffset How many days (from midnight) to offset the results from\n     * @param {int|undefined} daysLimit How many dates (from midnight) to limit the result to\n     * @param {string} paginationAriaLabel String to set as the aria label for the pagination bar.\n     * @param {object} additionalConfig Additional config options to pass to pagedContentFactory\n     * @return {object} jQuery promise.\n     */\n    var createPagedContent = function(\n        pageLimit,\n        preloadedPages,\n        midnight,\n        firstLoad,\n        courseId,\n        daysOffset,\n        daysLimit,\n        paginationAriaLabel,\n        additionalConfig\n    ) {\n        // Remember the last event id we loaded on each page because we can't\n        // use the offset value since the backend can skip events if the user doesn't\n        // have the capability to see them. Instead we load the next page of events\n        // based on the last seen event id.\n        var lastIds = {'1': 0};\n        var hasContent = false;\n        var config = $.extend({}, DEFAULT_PAGED_CONTENT_CONFIG, additionalConfig);\n\n        return Str.get_string(\n                'ariaeventlistpagelimit',\n                'block_timeline',\n                $.isArray(pageLimit) ? pageLimit[0].value : pageLimit\n            )\n            .then(function(string) {\n                config.ariaLabels.itemsperpage = string;\n                config.ariaLabels.paginationnav = paginationAriaLabel;\n                return string;\n            })\n            .then(function() {\n                return PagedContentFactory.createWithLimit(\n                    pageLimit,\n                    function(pagesData, actions) {\n                        var promises = [];\n\n                        pagesData.forEach(function(pageData) {\n                            var pageNumber = pageData.pageNumber;\n                            // Load the page data.\n                            var pagePromise = loadEventsFromPageData(\n                                pageData,\n                                actions,\n                                midnight,\n                                lastIds,\n                                preloadedPages,\n                                courseId,\n                                daysOffset,\n                                daysLimit\n                            ).then(function(calendarEvents) {\n                                if (calendarEvents.length) {\n                                    // Remember that we've loaded content.\n                                    hasContent = true;\n                                    // Remember the last id we've seen.\n                                    var lastEventId = calendarEvents[calendarEvents.length - 1].id;\n                                    // Record the id that the next page will need to start from.\n                                    lastIds[pageNumber + 1] = lastEventId;\n                                    // Get the HTML and JS for these calendar events.\n                                    return render(calendarEvents, midnight);\n                                } else {\n                                    return calendarEvents;\n                                }\n                            })\n                            .catch(Notification.exception);\n\n                            promises.push(pagePromise);\n                        });\n\n                        $.when.apply($, promises).then(function() {\n                            // Tell the calling code that the first page has been loaded\n                            // and whether it contains any content.\n                            firstLoad.resolve(hasContent);\n                            return;\n                        })\n                        .catch(function() {\n                            firstLoad.resolve(hasContent);\n                        });\n\n                        return promises;\n                    },\n                    config\n                );\n            });\n    };\n\n    /**\n     * Create a paged content region for the calendar events in the given root element.\n     * The content of the root element are replaced with a new paged content section\n     * each time this function is called.\n     *\n     * This function will be called each time the offset or limit values are changed to\n     * reload the event list region.\n     *\n     * @param {object} root The event list container element\n     * @param {int|array} pageLimit A single limit or list of limits as options for the paged content\n     * @param {object} preloadedPages An object of preloaded page data. Page number as key, data promise as value.\n     * @param {string} paginationAriaLabel String to set as the aria label for the pagination bar.\n     * @param {object} additionalConfig Additional config options to pass to pagedContentFactory\n     */\n    var init = function(root, pageLimit, preloadedPages, paginationAriaLabel, additionalConfig) {\n        root = $(root);\n\n        // Create a promise that will be resolved once the first set of page\n        // data has been loaded. This ensures that the loading placeholder isn't\n        // hidden until we have all of the data back to prevent the page elements\n        // jumping around.\n        var firstLoad = $.Deferred();\n        var eventListContent = root.find(SELECTORS.EVENT_LIST_CONTENT);\n        var loadingPlaceholder = root.find(SELECTORS.EVENT_LIST_LOADING_PLACEHOLDER);\n        var courseId = root.attr('data-course-id');\n        var daysOffset = parseInt(root.attr('data-days-offset'), 10);\n        var daysLimit = root.attr('data-days-limit');\n        var midnight = parseInt(root.attr('data-midnight'), 10);\n\n        // Make sure the content area and loading placeholder is visible.\n        // This is because the init function can be called to re-initialise\n        // an existing event list area.\n        emptyContent(root);\n        showContent(root);\n        loadingPlaceholder.removeClass('hidden');\n\n        // Days limit isn't mandatory.\n        if (daysLimit != undefined) {\n            daysLimit = parseInt(daysLimit, 10);\n        }\n\n        // Created the paged content element.\n        return createPagedContent(pageLimit, preloadedPages, midnight, firstLoad, courseId, daysOffset, daysLimit,\n                paginationAriaLabel, additionalConfig)\n            .then(function(html, js) {\n                html = $(html);\n                // Hide the content for now.\n                html.addClass('hidden');\n                // Replace existing elements with the newly created paged content.\n                // If we're reinitialising an existing event list this will replace\n                // the old event list (including removing any event handlers).\n                Templates.replaceNodeContents(eventListContent, html, js);\n\n                firstLoad.then(function(hasContent) {\n                    // Prevent changing page elements too much by only showing the content\n                    // once we've loaded some data for the first time. This allows our\n                    // fancy loading placeholder to shine.\n                    html.removeClass('hidden');\n                    loadingPlaceholder.addClass('hidden');\n\n                    if (!hasContent) {\n                        // If we didn't get any data then show the empty data message.\n                        hideContent(root);\n                    }\n\n                    return hasContent;\n                })\n                .catch(function() {\n                    return false;\n                });\n\n                return html;\n            })\n            .catch(Notification.exception);\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"file":"event_list.min.js"}
\ No newline at end of file
+{"version":3,"file":"event_list.min.js","sources":["../src/event_list.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to load and render the list of calendar events for a\n * given day range.\n *\n * @module     block_timeline/event_list\n * @package    block_timeline\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/templates',\n    'core/paged_content_factory',\n    'core/str',\n    'core/user_date',\n    'block_timeline/calendar_events_repository'\n],\nfunction(\n    $,\n    Notification,\n    Templates,\n    PagedContentFactory,\n    Str,\n    UserDate,\n    CalendarEventsRepository\n) {\n\n    var SECONDS_IN_DAY = 60 * 60 * 24;\n\n    var SELECTORS = {\n        EMPTY_MESSAGE: '[data-region=\"empty-message\"]',\n        ROOT: '[data-region=\"event-list-container\"]',\n        EVENT_LIST_CONTENT: '[data-region=\"event-list-content\"]',\n        EVENT_LIST_LOADING_PLACEHOLDER: '[data-region=\"event-list-loading-placeholder\"]',\n    };\n\n    var TEMPLATES = {\n        EVENT_LIST_CONTENT: 'block_timeline/event-list-content'\n    };\n\n    // We want the paged content controls below the paged content area\n    // and the controls should be ignored while data is loading.\n    var DEFAULT_PAGED_CONTENT_CONFIG = {\n        ignoreControlWhileLoading: true,\n        controlPlacementBottom: true,\n        ariaLabels: {\n            itemsperpagecomponents: 'ariaeventlistpagelimit, block_timeline',\n        }\n    };\n\n    /**\n     * Hide the content area and display the empty content message.\n     *\n     * @param {object} root The container element\n     */\n    var hideContent = function(root) {\n        root.find(SELECTORS.EVENT_LIST_CONTENT).addClass('hidden');\n        root.find(SELECTORS.EMPTY_MESSAGE).removeClass('hidden');\n    };\n\n    /**\n     * Show the content area and hide the empty content message.\n     *\n     * @param {object} root The container element\n     */\n    var showContent = function(root) {\n        root.find(SELECTORS.EVENT_LIST_CONTENT).removeClass('hidden');\n        root.find(SELECTORS.EMPTY_MESSAGE).addClass('hidden');\n    };\n\n    /**\n     * Empty the content area.\n     *\n     * @param {object} root The container element\n     */\n    var emptyContent = function(root) {\n        root.find(SELECTORS.EVENT_LIST_CONTENT).empty();\n    };\n\n    /**\n     * Construct the template context from a list of calendar events. The events\n     * are grouped by which day they are on. The day is calculated from the user's\n     * midnight timestamp to ensure that the calculation is timezone agnostic.\n     *\n     * The return data structure will look like:\n     * {\n     *      eventsbyday: [\n     *          {\n     *              dayTimestamp: 1533744000,\n     *              events: [\n     *                  { ...event 1 data... },\n     *                  { ...event 2 data... }\n     *              ]\n     *          },\n     *          {\n     *              dayTimestamp: 1533830400,\n     *              events: [\n     *                  { ...event 3 data... },\n     *                  { ...event 4 data... }\n     *              ]\n     *          }\n     *      ]\n     * }\n     *\n     * Each day timestamp is the day's midnight in the user's timezone.\n     *\n     * @param {array} calendarEvents List of calendar events\n     * @param {Number} midnight A timestamp representing midnight in the user's timezone\n     * @return {object}\n     */\n    var buildTemplateContext = function(calendarEvents, midnight) {\n        var eventsByDay = {};\n        var templateContext = {\n            eventsbyday: []\n        };\n\n        calendarEvents.forEach(function(calendarEvent) {\n            var dayTimestamp = UserDate.getUserMidnightForTimestamp(calendarEvent.timesort, midnight);\n            if (eventsByDay[dayTimestamp]) {\n                eventsByDay[dayTimestamp].push(calendarEvent);\n            } else {\n                eventsByDay[dayTimestamp] = [calendarEvent];\n            }\n        });\n\n        Object.keys(eventsByDay).forEach(function(dayTimestamp) {\n            var events = eventsByDay[dayTimestamp];\n            templateContext.eventsbyday.push({\n                past: dayTimestamp < midnight,\n                dayTimestamp: dayTimestamp,\n                events: events\n            });\n        });\n\n        return templateContext;\n    };\n\n    /**\n     * Render the HTML for the given calendar events.\n     *\n     * @param {array} calendarEvents  A list of calendar events\n     * @param {Number} midnight A timestamp representing midnight for the user\n     * @return {promise} Resolved with HTML and JS strings.\n     */\n    var render = function(calendarEvents, midnight) {\n        var templateContext = buildTemplateContext(calendarEvents, midnight);\n        var templateName = TEMPLATES.EVENT_LIST_CONTENT;\n\n        return Templates.render(templateName, templateContext);\n    };\n\n    /**\n     * Retrieve a list of calendar events from the server for the given\n     * constraints.\n     *\n     * @param {Number} midnight The user's midnight time in unix timestamp.\n     * @param {Number} limit Limit the result set to this number of items\n     * @param {Number} daysOffset How many days (from midnight) to offset the results from\n     * @param {int|undefined} daysLimit How many dates (from midnight) to limit the result to\n     * @param {int|falsey} lastId The ID of the last seen event (if any)\n     * @param {int|undefined} courseId Course ID to restrict events to\n     * @return {promise} A jquery promise\n     */\n    var load = function(midnight, limit, daysOffset, daysLimit, lastId, courseId) {\n        var startTime = midnight + (daysOffset * SECONDS_IN_DAY);\n        var endTime = daysLimit != undefined ? midnight + (daysLimit * SECONDS_IN_DAY) : false;\n\n        var args = {\n            starttime: startTime,\n            limit: limit,\n        };\n\n        if (lastId) {\n            args.aftereventid = lastId;\n        }\n\n        if (endTime) {\n            args.endtime = endTime;\n        }\n\n        if (courseId) {\n            // If we have a course id then we only want events from that course.\n            args.courseid = courseId;\n            return CalendarEventsRepository.queryByCourse(args);\n        } else {\n            // Otherwise we want events from any course.\n            return CalendarEventsRepository.queryByTime(args);\n        }\n    };\n\n    /**\n     * Handle a single page request from the paged content. Uses the given page data to request\n     * the events from the server.\n     *\n     * Checks the given preloadedPages before sending a request to the server to make sure we\n     * don't load data unnecessarily.\n     *\n     * @param {object} pageData A single page data (see core/paged_content_pages for more info).\n     * @param {object} actions Paged content actions (see core/paged_content_pages for more info).\n     * @param {Number} midnight The user's midnight time in unix timestamp.\n     * @param {object} lastIds The last event ID for each loaded page. Page number is key, id is value.\n     * @param {object} preloadedPages An object of preloaded page data. Page number as key, data promise as value.\n     * @param {int|undefined} courseId Course ID to restrict events to\n     * @param {Number} daysOffset How many days (from midnight) to offset the results from\n     * @param {int|undefined} daysLimit How many dates (from midnight) to limit the result to\n     * @return {object} jQuery promise resolved with calendar events.\n     */\n    var loadEventsFromPageData = function(\n        pageData,\n        actions,\n        midnight,\n        lastIds,\n        preloadedPages,\n        courseId,\n        daysOffset,\n        daysLimit\n    ) {\n        var pageNumber = pageData.pageNumber;\n        var limit = pageData.limit;\n        var lastPageNumber = pageNumber;\n\n        // This is here to protect us if, for some reason, the pages\n        // are loaded out of order somehow and we don't have a reference\n        // to the previous page. In that case, scan back to find the most\n        // recent page we've seen.\n        while (!lastIds.hasOwnProperty(lastPageNumber)) {\n            lastPageNumber--;\n        }\n        // Use the last id of the most recent page.\n        var lastId = lastIds[lastPageNumber];\n        var eventsPromise = null;\n\n        if (preloadedPages && preloadedPages.hasOwnProperty(pageNumber)) {\n            // This page has been preloaded so use that rather than load the values\n            // again.\n            eventsPromise = preloadedPages[pageNumber];\n        } else {\n            // Load one more than the given limit so that we can tell if there\n            // is more content to load after this.\n            eventsPromise = load(midnight, limit + 1, daysOffset, daysLimit, lastId, courseId);\n        }\n\n        return eventsPromise.then(function(result) {\n            if (!result.events.length) {\n                // If we didn't get any events back then tell the paged content\n                // that we're done loading.\n                actions.allItemsLoaded(pageNumber);\n                return [];\n            }\n\n            var calendarEvents = result.events.filter(function(event) {\n                if (event.eventtype == \"open\" || event.eventtype == \"opensubmission\") {\n                    var dayTimestamp = UserDate.getUserMidnightForTimestamp(event.timesort, midnight);\n                    return dayTimestamp > midnight;\n                }\n                return true;\n            });\n            // We expect to receive limit + 1 events back from the server.\n            // Any less means there are no more events to load.\n            var loadedAll = calendarEvents.length <= limit;\n\n            if (loadedAll) {\n                // Tell the pagination that everything is loaded.\n                actions.allItemsLoaded(pageNumber);\n            } else {\n                // Remove the last element from the array because it isn't\n                // needed in this result set.\n                calendarEvents.pop();\n            }\n\n            return calendarEvents;\n        });\n    };\n\n    /**\n     * Use the paged content factory to create a paged content element for showing\n     * the event list. We only provide a page limit to the factory because we don't\n     * know exactly how many pages we'll need. This creates a paging bar with just\n     * next/previous buttons.\n     *\n     * This function specifies the callback for loading the event data that the user\n     * is requesting.\n     *\n     * @param {int|array} pageLimit A single limit or list of limits as options for the paged content\n     * @param {object} preloadedPages An object of preloaded page data. Page number as key, data promise as value.\n     * @param {Number} midnight The user's midnight time in unix timestamp.\n     * @param {object} firstLoad A jQuery promise to be resolved after the first set of data is loaded.\n     * @param {int|undefined} courseId Course ID to restrict events to\n     * @param {Number} daysOffset How many days (from midnight) to offset the results from\n     * @param {int|undefined} daysLimit How many dates (from midnight) to limit the result to\n     * @param {string} paginationAriaLabel String to set as the aria label for the pagination bar.\n     * @param {object} additionalConfig Additional config options to pass to pagedContentFactory\n     * @return {object} jQuery promise.\n     */\n    var createPagedContent = function(\n        pageLimit,\n        preloadedPages,\n        midnight,\n        firstLoad,\n        courseId,\n        daysOffset,\n        daysLimit,\n        paginationAriaLabel,\n        additionalConfig\n    ) {\n        // Remember the last event id we loaded on each page because we can't\n        // use the offset value since the backend can skip events if the user doesn't\n        // have the capability to see them. Instead we load the next page of events\n        // based on the last seen event id.\n        var lastIds = {'1': 0};\n        var hasContent = false;\n        var config = $.extend({}, DEFAULT_PAGED_CONTENT_CONFIG, additionalConfig);\n\n        return Str.get_string(\n                'ariaeventlistpagelimit',\n                'block_timeline',\n                $.isArray(pageLimit) ? pageLimit[0].value : pageLimit\n            )\n            .then(function(string) {\n                config.ariaLabels.itemsperpage = string;\n                config.ariaLabels.paginationnav = paginationAriaLabel;\n                return string;\n            })\n            .then(function() {\n                return PagedContentFactory.createWithLimit(\n                    pageLimit,\n                    function(pagesData, actions) {\n                        var promises = [];\n\n                        pagesData.forEach(function(pageData) {\n                            var pageNumber = pageData.pageNumber;\n                            // Load the page data.\n                            var pagePromise = loadEventsFromPageData(\n                                pageData,\n                                actions,\n                                midnight,\n                                lastIds,\n                                preloadedPages,\n                                courseId,\n                                daysOffset,\n                                daysLimit\n                            ).then(function(calendarEvents) {\n                                if (calendarEvents.length) {\n                                    // Remember that we've loaded content.\n                                    hasContent = true;\n                                    // Remember the last id we've seen.\n                                    var lastEventId = calendarEvents[calendarEvents.length - 1].id;\n                                    // Record the id that the next page will need to start from.\n                                    lastIds[pageNumber + 1] = lastEventId;\n                                    // Get the HTML and JS for these calendar events.\n                                    return render(calendarEvents, midnight);\n                                } else {\n                                    return calendarEvents;\n                                }\n                            })\n                            .catch(Notification.exception);\n\n                            promises.push(pagePromise);\n                        });\n\n                        $.when.apply($, promises).then(function() {\n                            // Tell the calling code that the first page has been loaded\n                            // and whether it contains any content.\n                            firstLoad.resolve(hasContent);\n                            return;\n                        })\n                        .catch(function() {\n                            firstLoad.resolve(hasContent);\n                        });\n\n                        return promises;\n                    },\n                    config\n                );\n            });\n    };\n\n    /**\n     * Create a paged content region for the calendar events in the given root element.\n     * The content of the root element are replaced with a new paged content section\n     * each time this function is called.\n     *\n     * This function will be called each time the offset or limit values are changed to\n     * reload the event list region.\n     *\n     * @param {object} root The event list container element\n     * @param {int|array} pageLimit A single limit or list of limits as options for the paged content\n     * @param {object} preloadedPages An object of preloaded page data. Page number as key, data promise as value.\n     * @param {string} paginationAriaLabel String to set as the aria label for the pagination bar.\n     * @param {object} additionalConfig Additional config options to pass to pagedContentFactory\n     */\n    var init = function(root, pageLimit, preloadedPages, paginationAriaLabel, additionalConfig) {\n        root = $(root);\n\n        // Create a promise that will be resolved once the first set of page\n        // data has been loaded. This ensures that the loading placeholder isn't\n        // hidden until we have all of the data back to prevent the page elements\n        // jumping around.\n        var firstLoad = $.Deferred();\n        var eventListContent = root.find(SELECTORS.EVENT_LIST_CONTENT);\n        var loadingPlaceholder = root.find(SELECTORS.EVENT_LIST_LOADING_PLACEHOLDER);\n        var courseId = root.attr('data-course-id');\n        var daysOffset = parseInt(root.attr('data-days-offset'), 10);\n        var daysLimit = root.attr('data-days-limit');\n        var midnight = parseInt(root.attr('data-midnight'), 10);\n\n        // Make sure the content area and loading placeholder is visible.\n        // This is because the init function can be called to re-initialise\n        // an existing event list area.\n        emptyContent(root);\n        showContent(root);\n        loadingPlaceholder.removeClass('hidden');\n\n        // Days limit isn't mandatory.\n        if (daysLimit != undefined) {\n            daysLimit = parseInt(daysLimit, 10);\n        }\n\n        // Created the paged content element.\n        return createPagedContent(pageLimit, preloadedPages, midnight, firstLoad, courseId, daysOffset, daysLimit,\n                paginationAriaLabel, additionalConfig)\n            .then(function(html, js) {\n                html = $(html);\n                // Hide the content for now.\n                html.addClass('hidden');\n                // Replace existing elements with the newly created paged content.\n                // If we're reinitialising an existing event list this will replace\n                // the old event list (including removing any event handlers).\n                Templates.replaceNodeContents(eventListContent, html, js);\n\n                firstLoad.then(function(hasContent) {\n                    // Prevent changing page elements too much by only showing the content\n                    // once we've loaded some data for the first time. This allows our\n                    // fancy loading placeholder to shine.\n                    html.removeClass('hidden');\n                    loadingPlaceholder.addClass('hidden');\n\n                    if (!hasContent) {\n                        // If we didn't get any data then show the empty data message.\n                        hideContent(root);\n                    }\n\n                    return hasContent;\n                })\n                .catch(function() {\n                    return false;\n                });\n\n                return html;\n            })\n            .catch(Notification.exception);\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"names":["define","$","Notification","Templates","PagedContentFactory","Str","UserDate","CalendarEventsRepository","SELECTORS","TEMPLATES","DEFAULT_PAGED_CONTENT_CONFIG","ignoreControlWhileLoading","controlPlacementBottom","ariaLabels","itemsperpagecomponents","render","calendarEvents","midnight","templateContext","eventsByDay","eventsbyday","forEach","calendarEvent","dayTimestamp","getUserMidnightForTimestamp","timesort","push","Object","keys","events","past","buildTemplateContext","templateName","loadEventsFromPageData","pageData","actions","lastIds","preloadedPages","courseId","daysOffset","daysLimit","pageNumber","limit","lastPageNumber","hasOwnProperty","lastId","eventsPromise","endTime","undefined","args","starttime","aftereventid","endtime","courseid","queryByCourse","queryByTime","load","then","result","length","allItemsLoaded","filter","event","eventtype","pop","init","root","pageLimit","paginationAriaLabel","additionalConfig","firstLoad","Deferred","eventListContent","find","loadingPlaceholder","attr","parseInt","empty","emptyContent","removeClass","addClass","showContent","hasContent","config","extend","get_string","isArray","value","string","itemsperpage","paginationnav","createWithLimit","pagesData","promises","pagePromise","lastEventId","id","catch","exception","when","apply","resolve","createPagedContent","html","js","replaceNodeContents","hideContent","rootSelector"],"mappings":";;;;;;;;;AAwBAA,mCACA,CACI,SACA,oBACA,iBACA,6BACA,WACA,iBACA,8CAEJ,SACIC,EACAC,aACAC,UACAC,oBACAC,IACAC,SACAC,8BAKIC,wBACe,gCADfA,6BAGoB,qCAHpBA,yCAIgC,iDAGhCC,6BACoB,oCAKpBC,6BAA+B,CAC/BC,2BAA2B,EAC3BC,wBAAwB,EACxBC,WAAY,CACRC,uBAAwB,2CAkG5BC,OAAS,SAASC,eAAgBC,cAC9BC,gBAnCmB,SAASF,eAAgBC,cAC5CE,YAAc,GACdD,gBAAkB,CAClBE,YAAa,WAGjBJ,eAAeK,SAAQ,SAASC,mBACxBC,aAAejB,SAASkB,4BAA4BF,cAAcG,SAAUR,UAC5EE,YAAYI,cACZJ,YAAYI,cAAcG,KAAKJ,eAE/BH,YAAYI,cAAgB,CAACD,kBAIrCK,OAAOC,KAAKT,aAAaE,SAAQ,SAASE,kBAClCM,OAASV,YAAYI,cACzBL,gBAAgBE,YAAYM,KAAK,CAC7BI,KAAMP,aAAeN,SACrBM,aAAcA,aACdM,OAAQA,YAITX,gBAWea,CAAqBf,eAAgBC,UACvDe,aAAevB,oCAEZN,UAAUY,OAAOiB,aAAcd,kBA2DtCe,uBAAyB,SACzBC,SACAC,QACAlB,SACAmB,QACAC,eACAC,SACAC,WACAC,mBAEIC,WAAaP,SAASO,WACtBC,MAAQR,SAASQ,MACjBC,eAAiBF,YAMbL,QAAQQ,eAAeD,iBAC3BA,qBAGAE,OAAST,QAAQO,gBACjBG,cAAgB,YAKhBA,cAHAT,gBAAkBA,eAAeO,eAAeH,YAGhCJ,eAAeI,YAxE5B,SAASxB,SAAUyB,MAAOH,WAAYC,UAAWK,OAAQP,cAE5DS,QAAuBC,MAAbR,WAAyBvB,SA1ItB,MA0IkCuB,UAE/CS,KAAO,CACPC,UAJYjC,SAzIC,MAyIWsB,WAKxBG,MAAOA,cAGPG,SACAI,KAAKE,aAAeN,QAGpBE,UACAE,KAAKG,QAAUL,SAGfT,UAEAW,KAAKI,SAAWf,SACT/B,yBAAyB+C,cAAcL,OAGvC1C,yBAAyBgD,YAAYN,MAqD5BO,CAAKvC,SAAUyB,MAAQ,EAAGH,WAAYC,UAAWK,OAAQP,UAGtEQ,cAAcW,MAAK,SAASC,YAC1BA,OAAO7B,OAAO8B,cAGfxB,QAAQyB,eAAenB,YAChB,OAGPzB,eAAiB0C,OAAO7B,OAAOgC,QAAO,SAASC,aACxB,QAAnBA,MAAMC,WAA0C,kBAAnBD,MAAMC,WAChBzD,SAASkB,4BAA4BsC,MAAMrC,SAAUR,UAClDA,mBAMdD,eAAe2C,QAAUjB,MAIrCP,QAAQyB,eAAenB,YAIvBzB,eAAegD,MAGZhD,yBAuLR,CACHiD,KA/DO,SAASC,KAAMC,UAAW9B,eAAgB+B,oBAAqBC,kBACtEH,KAAOjE,EAAEiE,UAMLI,UAAYrE,EAAEsE,WACdC,iBAAmBN,KAAKO,KAAKjE,8BAC7BkE,mBAAqBR,KAAKO,KAAKjE,0CAC/B8B,SAAW4B,KAAKS,KAAK,kBACrBpC,WAAaqC,SAASV,KAAKS,KAAK,oBAAqB,IACrDnC,UAAY0B,KAAKS,KAAK,mBACtB1D,SAAW2D,SAASV,KAAKS,KAAK,iBAAkB,WAzUrC,SAAST,MACxBA,KAAKO,KAAKjE,8BAA8BqE,QA6UxCC,CAAaZ,MAxVC,SAASA,MACvBA,KAAKO,KAAKjE,8BAA8BuE,YAAY,UACpDb,KAAKO,KAAKjE,yBAAyBwE,SAAS,UAuV5CC,CAAYf,MACZQ,mBAAmBK,YAAY,UAGd/B,MAAbR,YACAA,UAAYoC,SAASpC,UAAW,KAzHf,SACrB2B,UACA9B,eACApB,SACAqD,UACAhC,SACAC,WACAC,UACA4B,oBACAC,sBAMIjC,QAAU,GAAM,GAChB8C,YAAa,EACbC,OAASlF,EAAEmF,OAAO,GAAI1E,6BAA8B2D,yBAEjDhE,IAAIgF,WACH,yBACA,iBACApF,EAAEqF,QAAQnB,WAAaA,UAAU,GAAGoB,MAAQpB,WAE/CV,MAAK,SAAS+B,eACXL,OAAOtE,WAAW4E,aAAeD,OACjCL,OAAOtE,WAAW6E,cAAgBtB,oBAC3BoB,UAEV/B,MAAK,kBACKrD,oBAAoBuF,gBACvBxB,WACA,SAASyB,UAAWzD,aACZ0D,SAAW,UAEfD,UAAUvE,SAAQ,SAASa,cACnBO,WAAaP,SAASO,WAEtBqD,YAAc7D,uBACdC,SACAC,QACAlB,SACAmB,QACAC,eACAC,SACAC,WACAC,WACFiB,MAAK,SAASzC,mBACRA,eAAe2C,OAAQ,CAEvBuB,YAAa,MAETa,YAAc/E,eAAeA,eAAe2C,OAAS,GAAGqC,UAE5D5D,QAAQK,WAAa,GAAKsD,YAEnBhF,OAAOC,eAAgBC,iBAEvBD,kBAGdiF,MAAM/F,aAAagG,WAEpBL,SAASnE,KAAKoE,gBAGlB7F,EAAEkG,KAAKC,MAAMnG,EAAG4F,UAAUpC,MAAK,WAG3Ba,UAAU+B,QAAQnB,eAGrBe,OAAM,WACH3B,UAAU+B,QAAQnB,eAGfW,WAEXV,WA+CLmB,CAAmBnC,UAAW9B,eAAgBpB,SAAUqD,UAAWhC,SAAUC,WAAYC,UACxF4B,oBAAqBC,kBACxBZ,MAAK,SAAS8C,KAAMC,WACjBD,KAAOtG,EAAEsG,OAEJvB,SAAS,UAId7E,UAAUsG,oBAAoBjC,iBAAkB+B,KAAMC,IAEtDlC,UAAUb,MAAK,SAASyB,mBAIpBqB,KAAKxB,YAAY,UACjBL,mBAAmBM,SAAS,UAEvBE,YA9XH,SAAShB,MACvBA,KAAKO,KAAKjE,8BAA8BwE,SAAS,UACjDd,KAAKO,KAAKjE,yBAAyBuE,YAAY,UA8X/B2B,CAAYxC,MAGTgB,cAEVe,OAAM,kBACI,KAGJM,QAEVN,MAAM/F,aAAagG,YAKxBS,aAxaM"}
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/main.min.js b/blocks/timeline/amd/build/main.min.js
index 7aacd6361d2..f81bd758488 100644
--- a/blocks/timeline/amd/build/main.min.js
+++ b/blocks/timeline/amd/build/main.min.js
@@ -1,2 +1,9 @@
-define ("block_timeline/main",["jquery","block_timeline/view_nav","block_timeline/view"],function(a,b,c){var d={TIMELINE_VIEW:"[data-region=\"timeline-view\"]"};return{init:function init(e){e=a(e);var f=e.find(d.TIMELINE_VIEW);b.init(e,f);c.init(f)}}});
-//# sourceMappingURL=main.min.js.map
+/**
+ * Javascript to initialise the timeline block.
+ *
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_timeline/main",["jquery","block_timeline/view_nav","block_timeline/view"],(function($,ViewNav,View){var SELECTORS_TIMELINE_VIEW='[data-region="timeline-view"]';return{init:function(root){var viewRoot=(root=$(root)).find(SELECTORS_TIMELINE_VIEW);ViewNav.init(root,viewRoot),View.init(viewRoot)}}}));
+
+//# sourceMappingURL=main.min.js.map
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/main.min.js.map b/blocks/timeline/amd/build/main.min.js.map
index 64ba6b70a08..b8a83abf783 100644
--- a/blocks/timeline/amd/build/main.min.js.map
+++ b/blocks/timeline/amd/build/main.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/main.js"],"names":["define","$","ViewNav","View","SELECTORS","TIMELINE_VIEW","init","root","viewRoot","find"],"mappings":"AAsBAA,OAAM,uBACN,CACI,QADJ,CAEI,yBAFJ,CAGI,qBAHJ,CADM,CAMN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIE,IAEMC,CAAAA,CAAS,CAAG,CACZC,aAAa,CAAE,iCADH,CAFlB,CAqBE,MAAO,CACHC,IAAI,CAXG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAe,CACtBA,CAAI,CAAGN,CAAC,CAACM,CAAD,CAAR,CACA,GAAIC,CAAAA,CAAQ,CAAGD,CAAI,CAACE,IAAL,CAAUL,CAAS,CAACC,aAApB,CAAf,CAGAH,CAAO,CAACI,IAAR,CAAaC,CAAb,CAAmBC,CAAnB,EAEAL,CAAI,CAACG,IAAL,CAAUE,CAAV,CACH,CAEM,CAGV,CAlCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the timeline block.\n *\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'block_timeline/view_nav',\n    'block_timeline/view'\n],\nfunction(\n    $,\n    ViewNav,\n    View\n) {\n\n    var SELECTORS = {\n        TIMELINE_VIEW: '[data-region=\"timeline-view\"]'\n    };\n\n    /**\n     * Initialise all of the modules for the timeline block.\n     *\n     * @param {object} root The root element for the timeline block.\n     */\n    var init = function(root) {\n        root = $(root);\n        var viewRoot = root.find(SELECTORS.TIMELINE_VIEW);\n\n        // Initialise the timeline navigation elements.\n        ViewNav.init(root, viewRoot);\n        // Initialise the timeline view modules.\n        View.init(viewRoot);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"file":"main.min.js"}
\ No newline at end of file
+{"version":3,"file":"main.min.js","sources":["../src/main.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to initialise the timeline block.\n *\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'block_timeline/view_nav',\n    'block_timeline/view'\n],\nfunction(\n    $,\n    ViewNav,\n    View\n) {\n\n    var SELECTORS = {\n        TIMELINE_VIEW: '[data-region=\"timeline-view\"]'\n    };\n\n    /**\n     * Initialise all of the modules for the timeline block.\n     *\n     * @param {object} root The root element for the timeline block.\n     */\n    var init = function(root) {\n        root = $(root);\n        var viewRoot = root.find(SELECTORS.TIMELINE_VIEW);\n\n        // Initialise the timeline navigation elements.\n        ViewNav.init(root, viewRoot);\n        // Initialise the timeline view modules.\n        View.init(viewRoot);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","ViewNav","View","SELECTORS","init","root","viewRoot","find"],"mappings":";;;;;;AAsBAA,6BACA,CACI,SACA,0BACA,wBAEJ,SACIC,EACAC,QACAC,UAGIC,wBACe,sCAkBZ,CACHC,KAXO,SAASC,UAEZC,UADJD,KAAOL,EAAEK,OACWE,KAAKJ,yBAGzBF,QAAQG,KAAKC,KAAMC,UAEnBJ,KAAKE,KAAKE"}
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/view.min.js b/blocks/timeline/amd/build/view.min.js
index ac57cbeefad..d686588e5b5 100644
--- a/blocks/timeline/amd/build/view.min.js
+++ b/blocks/timeline/amd/build/view.min.js
@@ -1,2 +1,10 @@
-define ("block_timeline/view",["jquery","block_timeline/view_dates","block_timeline/view_courses"],function(a,b,c){var d={TIMELINE_DATES_VIEW:"[data-region=\"view-dates\"]",TIMELINE_COURSES_VIEW:"[data-region=\"view-courses\"]"};return{init:function init(e){e=a(e);var f=e.find(d.TIMELINE_DATES_VIEW),g=e.find(d.TIMELINE_COURSES_VIEW);b.init(f);c.init(g)},reset:function reset(a){var e=a.find(d.TIMELINE_DATES_VIEW),f=a.find(d.TIMELINE_COURSES_VIEW);b.reset(e);c.reset(f)},shown:function shown(a){var e=a.find(d.TIMELINE_DATES_VIEW),f=a.find(d.TIMELINE_COURSES_VIEW);if(e.hasClass("active")){b.shown(e)}else{c.shown(f)}}}});
-//# sourceMappingURL=view.min.js.map
+/**
+ * Manage the timeline view for the timeline block.
+ *
+ * @package    block_timeline
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_timeline/view",["jquery","block_timeline/view_dates","block_timeline/view_courses"],(function($,ViewDates,ViewCourses){var SELECTORS_TIMELINE_DATES_VIEW='[data-region="view-dates"]',SELECTORS_TIMELINE_COURSES_VIEW='[data-region="view-courses"]';return{init:function(root){var datesViewRoot=(root=$(root)).find(SELECTORS_TIMELINE_DATES_VIEW),coursesViewRoot=root.find(SELECTORS_TIMELINE_COURSES_VIEW);ViewDates.init(datesViewRoot),ViewCourses.init(coursesViewRoot)},reset:function(root){var datesViewRoot=root.find(SELECTORS_TIMELINE_DATES_VIEW),coursesViewRoot=root.find(SELECTORS_TIMELINE_COURSES_VIEW);ViewDates.reset(datesViewRoot),ViewCourses.reset(coursesViewRoot)},shown:function(root){var datesViewRoot=root.find(SELECTORS_TIMELINE_DATES_VIEW),coursesViewRoot=root.find(SELECTORS_TIMELINE_COURSES_VIEW);datesViewRoot.hasClass("active")?ViewDates.shown(datesViewRoot):ViewCourses.shown(coursesViewRoot)}}}));
+
+//# sourceMappingURL=view.min.js.map
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/view.min.js.map b/blocks/timeline/amd/build/view.min.js.map
index 90d9b070a05..a709e52ac1a 100644
--- a/blocks/timeline/amd/build/view.min.js.map
+++ b/blocks/timeline/amd/build/view.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/view.js"],"names":["define","$","ViewDates","ViewCourses","SELECTORS","TIMELINE_DATES_VIEW","TIMELINE_COURSES_VIEW","init","root","datesViewRoot","find","coursesViewRoot","reset","shown","hasClass"],"mappings":"AAuBAA,OAAM,uBACN,CACI,QADJ,CAEI,2BAFJ,CAGI,6BAHJ,CADM,CAMN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIE,IAEMC,CAAAA,CAAS,CAAG,CACZC,mBAAmB,CAAE,8BADT,CAEZC,qBAAqB,CAAE,gCAFX,CAFlB,CA0DE,MAAO,CACHC,IAAI,CA7CG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAe,CACtBA,CAAI,CAAGP,CAAC,CAACO,CAAD,CAAR,CADsB,GAElBC,CAAAA,CAAa,CAAGD,CAAI,CAACE,IAAL,CAAUN,CAAS,CAACC,mBAApB,CAFE,CAGlBM,CAAe,CAAGH,CAAI,CAACE,IAAL,CAAUN,CAAS,CAACE,qBAApB,CAHA,CAKtBJ,CAAS,CAACK,IAAV,CAAeE,CAAf,EACAN,CAAW,CAACI,IAAZ,CAAiBI,CAAjB,CACH,CAqCM,CAEHC,KAAK,CA5BG,QAARA,CAAAA,KAAQ,CAASJ,CAAT,CAAe,IACnBC,CAAAA,CAAa,CAAGD,CAAI,CAACE,IAAL,CAAUN,CAAS,CAACC,mBAApB,CADG,CAEnBM,CAAe,CAAGH,CAAI,CAACE,IAAL,CAAUN,CAAS,CAACE,qBAApB,CAFC,CAGvBJ,CAAS,CAACU,KAAV,CAAgBH,CAAhB,EACAN,CAAW,CAACS,KAAZ,CAAkBD,CAAlB,CACH,CAqBM,CAGHE,KAAK,CAdG,QAARA,CAAAA,KAAQ,CAASL,CAAT,CAAe,IACnBC,CAAAA,CAAa,CAAGD,CAAI,CAACE,IAAL,CAAUN,CAAS,CAACC,mBAApB,CADG,CAEnBM,CAAe,CAAGH,CAAI,CAACE,IAAL,CAAUN,CAAS,CAACE,qBAApB,CAFC,CAIvB,GAAIG,CAAa,CAACK,QAAd,CAAuB,QAAvB,CAAJ,CAAsC,CAClCZ,CAAS,CAACW,KAAV,CAAgBJ,CAAhB,CACH,CAFD,IAEO,CACHN,CAAW,CAACU,KAAZ,CAAkBF,CAAlB,CACH,CACJ,CAEM,CAKV,CAzEK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline view for the timeline block.\n *\n * @package    block_timeline\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'block_timeline/view_dates',\n    'block_timeline/view_courses',\n],\nfunction(\n    $,\n    ViewDates,\n    ViewCourses\n) {\n\n    var SELECTORS = {\n        TIMELINE_DATES_VIEW: '[data-region=\"view-dates\"]',\n        TIMELINE_COURSES_VIEW: '[data-region=\"view-courses\"]',\n    };\n\n    /**\n     * Intialise the timeline dates and courses views on page load.\n     * This function should only be called once per page load because\n     * it can cause event listeners to be added to the page.\n     *\n     * @param {object} root The root element for the timeline view.\n     */\n    var init = function(root) {\n        root = $(root);\n        var datesViewRoot = root.find(SELECTORS.TIMELINE_DATES_VIEW);\n        var coursesViewRoot = root.find(SELECTORS.TIMELINE_COURSES_VIEW);\n\n        ViewDates.init(datesViewRoot);\n        ViewCourses.init(coursesViewRoot);\n    };\n\n    /**\n     * Reset the timeline dates and courses views to their original\n     * state on first page load.\n     *\n     * This is called when configuration has changed for the event lists\n     * to cause them to reload their data.\n     *\n     * @param {object} root The root element for the timeline view.\n     */\n    var reset = function(root) {\n        var datesViewRoot = root.find(SELECTORS.TIMELINE_DATES_VIEW);\n        var coursesViewRoot = root.find(SELECTORS.TIMELINE_COURSES_VIEW);\n        ViewDates.reset(datesViewRoot);\n        ViewCourses.reset(coursesViewRoot);\n    };\n\n    /**\n     * Tell the timeline dates or courses view that it has been displayed.\n     *\n     * This is called each time one of the views is displayed and is used to\n     * lazy load the data within it on first load.\n     *\n     * @param {object} root The root element for the timeline view.\n     */\n    var shown = function(root) {\n        var datesViewRoot = root.find(SELECTORS.TIMELINE_DATES_VIEW);\n        var coursesViewRoot = root.find(SELECTORS.TIMELINE_COURSES_VIEW);\n\n        if (datesViewRoot.hasClass('active')) {\n            ViewDates.shown(datesViewRoot);\n        } else {\n            ViewCourses.shown(coursesViewRoot);\n        }\n    };\n\n    return {\n        init: init,\n        reset: reset,\n        shown: shown,\n    };\n});\n"],"file":"view.min.js"}
\ No newline at end of file
+{"version":3,"file":"view.min.js","sources":["../src/view.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline view for the timeline block.\n *\n * @package    block_timeline\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'block_timeline/view_dates',\n    'block_timeline/view_courses',\n],\nfunction(\n    $,\n    ViewDates,\n    ViewCourses\n) {\n\n    var SELECTORS = {\n        TIMELINE_DATES_VIEW: '[data-region=\"view-dates\"]',\n        TIMELINE_COURSES_VIEW: '[data-region=\"view-courses\"]',\n    };\n\n    /**\n     * Intialise the timeline dates and courses views on page load.\n     * This function should only be called once per page load because\n     * it can cause event listeners to be added to the page.\n     *\n     * @param {object} root The root element for the timeline view.\n     */\n    var init = function(root) {\n        root = $(root);\n        var datesViewRoot = root.find(SELECTORS.TIMELINE_DATES_VIEW);\n        var coursesViewRoot = root.find(SELECTORS.TIMELINE_COURSES_VIEW);\n\n        ViewDates.init(datesViewRoot);\n        ViewCourses.init(coursesViewRoot);\n    };\n\n    /**\n     * Reset the timeline dates and courses views to their original\n     * state on first page load.\n     *\n     * This is called when configuration has changed for the event lists\n     * to cause them to reload their data.\n     *\n     * @param {object} root The root element for the timeline view.\n     */\n    var reset = function(root) {\n        var datesViewRoot = root.find(SELECTORS.TIMELINE_DATES_VIEW);\n        var coursesViewRoot = root.find(SELECTORS.TIMELINE_COURSES_VIEW);\n        ViewDates.reset(datesViewRoot);\n        ViewCourses.reset(coursesViewRoot);\n    };\n\n    /**\n     * Tell the timeline dates or courses view that it has been displayed.\n     *\n     * This is called each time one of the views is displayed and is used to\n     * lazy load the data within it on first load.\n     *\n     * @param {object} root The root element for the timeline view.\n     */\n    var shown = function(root) {\n        var datesViewRoot = root.find(SELECTORS.TIMELINE_DATES_VIEW);\n        var coursesViewRoot = root.find(SELECTORS.TIMELINE_COURSES_VIEW);\n\n        if (datesViewRoot.hasClass('active')) {\n            ViewDates.shown(datesViewRoot);\n        } else {\n            ViewCourses.shown(coursesViewRoot);\n        }\n    };\n\n    return {\n        init: init,\n        reset: reset,\n        shown: shown,\n    };\n});\n"],"names":["define","$","ViewDates","ViewCourses","SELECTORS","init","root","datesViewRoot","find","coursesViewRoot","reset","shown","hasClass"],"mappings":";;;;;;;AAuBAA,6BACA,CACI,SACA,4BACA,gCAEJ,SACIC,EACAC,UACAC,iBAGIC,8BACqB,6BADrBA,gCAEuB,qCAsDpB,CACHC,KA7CO,SAASC,UAEZC,eADJD,KAAOL,EAAEK,OACgBE,KAAKJ,+BAC1BK,gBAAkBH,KAAKE,KAAKJ,iCAEhCF,UAAUG,KAAKE,eACfJ,YAAYE,KAAKI,kBAwCjBC,MA5BQ,SAASJ,UACbC,cAAgBD,KAAKE,KAAKJ,+BAC1BK,gBAAkBH,KAAKE,KAAKJ,iCAChCF,UAAUQ,MAAMH,eAChBJ,YAAYO,MAAMD,kBAyBlBE,MAdQ,SAASL,UACbC,cAAgBD,KAAKE,KAAKJ,+BAC1BK,gBAAkBH,KAAKE,KAAKJ,iCAE5BG,cAAcK,SAAS,UACvBV,UAAUS,MAAMJ,eAEhBJ,YAAYQ,MAAMF"}
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/view_courses.min.js b/blocks/timeline/amd/build/view_courses.min.js
index 70345b12123..62a26ab7a02 100644
--- a/blocks/timeline/amd/build/view_courses.min.js
+++ b/blocks/timeline/amd/build/view_courses.min.js
@@ -1,2 +1,10 @@
-define ("block_timeline/view_courses",["jquery","core/notification","core/custom_interaction_events","core/str","core/templates","block_timeline/event_list","core_course/repository","block_timeline/calendar_events_repository"],function(a,b,c,d,e,f,g,h){var i={MORE_COURSES_BUTTON:"[data-action=\"more-courses\"]",MORE_COURSES_BUTTON_CONTAINER:"[data-region=\"more-courses-button-container\"]",NO_COURSES_EMPTY_MESSAGE:"[data-region=\"no-courses-empty-message\"]",COURSES_LIST:"[data-region=\"courses-list\"]",COURSE_ITEMS_LOADING_PLACEHOLDER:"[data-region=\"course-items-loading-placeholder\"]",COURSE_EVENTS_CONTAINER:"[data-region=\"course-events-container\"]",COURSE_NAME:"[data-region=\"course-name\"]",LOADING_ICON:".loading-icon"},j={COURSE_ITEMS:"block_timeline/course-items",LOADING_ICON:"core/loading"},k=5,l=86400,m=function(a){a.find(i.COURSE_ITEMS_LOADING_PLACEHOLDER).addClass("hidden")},n=function(a){a.find(i.MORE_COURSES_BUTTON_CONTAINER).addClass("hidden")},o=function(a){a.find(i.MORE_COURSES_BUTTON_CONTAINER).removeClass("hidden")},p=function(a){var b=a.find(i.MORE_COURSES_BUTTON);b.prop("disabled",!0);e.render(j.LOADING_ICON,{}).then(function(a){b.append(a);return a}).catch(function(){return!1})},q=function(a){var b=a.find(i.MORE_COURSES_BUTTON);b.prop("disabled",!1);b.find(i.LOADING_ICON).remove()},r=function(a){a.find(i.NO_COURSES_EMPTY_MESSAGE).removeClass("hidden")},s=function(a,b){var c=a.find(i.COURSES_LIST);e.appendNodeContents(c,b,"")},t=function(a){return 0<a.find(i.COURSE_EVENTS_CONTAINER).length},u=function(a){return parseInt(a.attr("data-offset"),10)},v=function(a,b){a.attr("data-offset",b)},w=function(a){return parseInt(a.attr("data-limit"),10)},x=function(a){return parseInt(a.attr("data-days-offset"),10)},y=function(a){var b=a.attr("data-days-limit");return b!=void 0?parseInt(b,10):void 0},z=function(a){return parseInt(a.attr("data-midnight"),10)},A=function(a){var b=z(a),c=x(a);return b+c*l},B=function(a){var b=z(a),c=y(a);return c!=void 0?b+c*l:!1},C=function(a,b,c,d){var e={courseids:a,starttime:b,limit:c};if(d){e.endtime=d}return h.queryByCourses(e)},D=function(a){return a.data("last-event-load-time")},E=function(a,b){a.data("last-event-load-time",b)},F=function(a,b){return D(a)>b},G=function(a,b,c){var d=a.map(function(a){return a.id});return C(d,b,k+1,c)},H=function(a,b,c,d,f,g){return e.render(j.COURSE_ITEMS,{courses:a,midnight:c,hasdaysoffset:!0,hasdayslimit:f!=void 0,daysoffset:d,dayslimit:f,nodayslimit:f==void 0,urls:{noevents:g}}).then(function(a){m(b);if(a){s(b,a)}else{if(!t(b)){r(b)}}return a}).then(function(c){if(a.length<2){n(b)}else{o(b)}return c}).catch(function(){m(b)})},I=function(c){var e=u(c),h=w(c);return g.getEnrolledCoursesByTimelineClassification("inprogress",h,e,"fullname asc").then(function(b){var e=Date.now(),g=b.courses,h=b.nextoffset,i=x(c),j=y(c),l=z(c),m=A(c),n=B(c),o=c.attr("data-no-events-url");v(c,h);var p=G(g,m,n),q=H(g,c,l,i,j,o);return a.when(p,q).then(function(b){if(F(c,e)){return b}g.forEach(function(e){var g=e.id,h=[],i=c.find("[data-region=\"course-events-container\"][data-course-id=\""+g+"\"]"),j=i.find(f.rootSelector),l=b.groupedbycourse.filter(function(a){return a.courseid==g});if(l.length){h=l[0].events}var m=a.Deferred().resolve({events:h}).promise();d.get_string("ariaeventlistpaginationnavcourses","block_timeline",e.fullnamedisplay).then(function(a){f.init(j,k,{1:m},a);return a}).catch(function(){f.init(j,k,{1:m})})});return b})}).catch(b.exception)},J=function(c){var e=Date.now(),g=A(c),h=B(c),j=c.find(i.COURSE_EVENTS_CONTAINER),l=j.map(function(){return a(this).attr("data-course-id")}).get();E(c,e);return C(l,g,k+1,h).then(function(b){if(F(c,e)){return b}j.each(function(c,e){e=a(e);var g=e.attr("data-course-id"),h=e.find(i.COURSE_NAME).text(),j=e.find(f.rootSelector),l=a.Deferred(),m=[],n=b.groupedbycourse.filter(function(a){return a.courseid==g});if(n.length){m=n[0].events}l.resolve({events:m});d.get_string("ariaeventlistpaginationnavcourses","block_timeline",h).then(function(a){f.init(j,k,{1:l.promise()},a);return a}).catch(function(){f.init(j,k,{1:l.promise()})})});return b}).catch(b.exception)},K=function(a){c.define(a,[c.events.activate]);a.on(c.events.activate,i.MORE_COURSES_BUTTON,function(b,c){p(a);I(a).then(function(){q(a)}).catch(function(){q(a)});if(c){c.originalEvent.preventDefault();c.originalEvent.stopPropagation()}b.stopPropagation()})},L=function(a){if(!a.attr("data-seen")){if(t(a)){J(a)}else{I(a)}a.attr("data-seen",!0)}};return{init:function init(b){b=a(b);E(b,Date.now());if(b.hasClass("active")){I(b);b.attr("data-seen",!0)}K(b)},reset:function reset(a){a.removeAttr("data-seen");if(a.hasClass("active")){L(a)}},shown:L}});
-//# sourceMappingURL=view_courses.min.js.map
+/**
+ * Manage the timeline courses view for the timeline block.
+ *
+ * @package    block_timeline
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_timeline/view_courses",["jquery","core/notification","core/custom_interaction_events","core/str","core/templates","block_timeline/event_list","core_course/repository","block_timeline/calendar_events_repository"],(function($,Notification,CustomEvents,Str,Templates,EventList,CourseRepository,EventsRepository){var SELECTORS_MORE_COURSES_BUTTON='[data-action="more-courses"]',SELECTORS_MORE_COURSES_BUTTON_CONTAINER='[data-region="more-courses-button-container"]',SELECTORS_NO_COURSES_EMPTY_MESSAGE='[data-region="no-courses-empty-message"]',SELECTORS_COURSES_LIST='[data-region="courses-list"]',SELECTORS_COURSE_ITEMS_LOADING_PLACEHOLDER='[data-region="course-items-loading-placeholder"]',SELECTORS_COURSE_EVENTS_CONTAINER='[data-region="course-events-container"]',SELECTORS_COURSE_NAME='[data-region="course-name"]',SELECTORS_LOADING_ICON=".loading-icon",TEMPLATES_COURSE_ITEMS="block_timeline/course-items",TEMPLATES_LOADING_ICON="core/loading",hideLoadingPlaceholder=function(root){root.find(SELECTORS_COURSE_ITEMS_LOADING_PLACEHOLDER).addClass("hidden")},disableMoreCoursesButtonLoading=function(root){var button=root.find(SELECTORS_MORE_COURSES_BUTTON);button.prop("disabled",!1),button.find(SELECTORS_LOADING_ICON).remove()},hasLoadedCourses=function(root){return root.find(SELECTORS_COURSE_EVENTS_CONTAINER).length>0},getDaysOffset=function(root){return parseInt(root.attr("data-days-offset"),10)},getDaysLimit=function(root){var daysLimit=root.attr("data-days-limit");return null!=daysLimit?parseInt(daysLimit,10):void 0},getMidnight=function(root){return parseInt(root.attr("data-midnight"),10)},getStartTime=function(root){return getMidnight(root)+86400*getDaysOffset(root)},getEndTime=function(root){var midnight=getMidnight(root),daysLimit=getDaysLimit(root);return null!=daysLimit&&midnight+86400*daysLimit},getEventsForCourseIds=function(courseIds,startTime,limit,endTime){var args={courseids:courseIds,starttime:startTime,limit:limit};return endTime&&(args.endtime=endTime),EventsRepository.queryByCourses(args)},setEventReloadTime=function(root,time){root.data("last-event-load-time",time)},hasReloadedEventsSince=function(root,time){return function(root){return root.data("last-event-load-time")}(root)>time},updateDisplayFromCourses=function(courses,root,midnight,daysOffset,daysLimit,noEventsURL){return Templates.render(TEMPLATES_COURSE_ITEMS,{courses:courses,midnight:midnight,hasdaysoffset:!0,hasdayslimit:null!=daysLimit,daysoffset:daysOffset,dayslimit:daysLimit,nodayslimit:null==daysLimit,urls:{noevents:noEventsURL}}).then((function(html){return hideLoadingPlaceholder(root),html?function(root,html){var container=root.find(SELECTORS_COURSES_LIST);Templates.appendNodeContents(container,html,"")}(root,html):hasLoadedCourses(root)||function(root){root.find(SELECTORS_NO_COURSES_EMPTY_MESSAGE).removeClass("hidden")}(root),html})).then((function(html){return courses.length<2?function(root){root.find(SELECTORS_MORE_COURSES_BUTTON_CONTAINER).addClass("hidden")}(root):function(root){root.find(SELECTORS_MORE_COURSES_BUTTON_CONTAINER).removeClass("hidden")}(root),html})).catch((function(){hideLoadingPlaceholder(root)}))},loadMoreCourses=function(root){var offset=function(root){return parseInt(root.attr("data-offset"),10)}(root),limit=function(root){return parseInt(root.attr("data-limit"),10)}(root);return CourseRepository.getEnrolledCoursesByTimelineClassification("inprogress",limit,offset,"fullname asc").then((function(result){var startEventLoadingTime=Date.now(),courses=result.courses,nextOffset=result.nextoffset,daysOffset=getDaysOffset(root),daysLimit=getDaysLimit(root),midnight=getMidnight(root),startTime=getStartTime(root),endTime=getEndTime(root),noEventsURL=root.attr("data-no-events-url");!function(root,offset){root.attr("data-offset",offset)}(root,nextOffset);var eventsPromise=function(courses,startTime,endTime){var courseIds=courses.map((function(course){return course.id}));return getEventsForCourseIds(courseIds,startTime,6,endTime)}(courses,startTime,endTime),renderPromise=updateDisplayFromCourses(courses,root,midnight,daysOffset,daysLimit,noEventsURL);return $.when(eventsPromise,renderPromise).then((function(eventsByCourse){return hasReloadedEventsSince(root,startEventLoadingTime)||courses.forEach((function(course){var courseId=course.id,events=[],containerSelector='[data-region="course-events-container"][data-course-id="'+courseId+'"]',eventListRoot=root.find(containerSelector).find(EventList.rootSelector),courseGroups=eventsByCourse.groupedbycourse.filter((function(group){return group.courseid==courseId}));courseGroups.length&&(events=courseGroups[0].events);var pageOnePreload=$.Deferred().resolve({events:events}).promise();Str.get_string("ariaeventlistpaginationnavcourses","block_timeline",course.fullnamedisplay).then((function(string){return EventList.init(eventListRoot,5,{1:pageOnePreload},string),string})).catch((function(){EventList.init(eventListRoot,5,{1:pageOnePreload})}))})),eventsByCourse}))})).catch(Notification.exception)},registerEventListeners=function(root){CustomEvents.define(root,[CustomEvents.events.activate]),root.on(CustomEvents.events.activate,SELECTORS_MORE_COURSES_BUTTON,(function(e,data){!function(root){var button=root.find(SELECTORS_MORE_COURSES_BUTTON);button.prop("disabled",!0),Templates.render(TEMPLATES_LOADING_ICON,{}).then((function(html){return button.append(html),html})).catch((function(){return!1}))}(root),loadMoreCourses(root).then((function(){disableMoreCoursesButtonLoading(root)})).catch((function(){disableMoreCoursesButtonLoading(root)})),data&&(data.originalEvent.preventDefault(),data.originalEvent.stopPropagation()),e.stopPropagation()}))},shown=function(root){root.attr("data-seen")||(hasLoadedCourses(root)?function(root){var startReloadTime=Date.now(),startTime=getStartTime(root),endTime=getEndTime(root),courseEventsContainers=root.find(SELECTORS_COURSE_EVENTS_CONTAINER),courseIds=courseEventsContainers.map((function(){return $(this).attr("data-course-id")})).get();setEventReloadTime(root,startReloadTime),getEventsForCourseIds(courseIds,startTime,6,endTime).then((function(eventsByCourse){return hasReloadedEventsSince(root,startReloadTime)||courseEventsContainers.each((function(index,container){var courseId=(container=$(container)).attr("data-course-id"),courseName=container.find(SELECTORS_COURSE_NAME).text(),eventListContainer=container.find(EventList.rootSelector),pageDeferred=$.Deferred(),events=[],courseGroups=eventsByCourse.groupedbycourse.filter((function(group){return group.courseid==courseId}));courseGroups.length&&(events=courseGroups[0].events),pageDeferred.resolve({events:events}),Str.get_string("ariaeventlistpaginationnavcourses","block_timeline",courseName).then((function(string){return EventList.init(eventListContainer,5,{1:pageDeferred.promise()},string),string})).catch((function(){EventList.init(eventListContainer,5,{1:pageDeferred.promise()})}))})),eventsByCourse})).catch(Notification.exception)}(root):loadMoreCourses(root),root.attr("data-seen",!0))};return{init:function(root){root=$(root),setEventReloadTime(root,Date.now()),root.hasClass("active")&&(loadMoreCourses(root),root.attr("data-seen",!0)),registerEventListeners(root)},reset:function(root){root.removeAttr("data-seen"),root.hasClass("active")&&shown(root)},shown:shown}}));
+
+//# sourceMappingURL=view_courses.min.js.map
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/view_courses.min.js.map b/blocks/timeline/amd/build/view_courses.min.js.map
index 58b9369cfcd..7ef0c6c934d 100644
--- a/blocks/timeline/amd/build/view_courses.min.js.map
+++ b/blocks/timeline/amd/build/view_courses.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline courses view for the timeline block.\n *\n * @package    block_timeline\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/custom_interaction_events',\n    'core/str',\n    'core/templates',\n    'block_timeline/event_list',\n    'core_course/repository',\n    'block_timeline/calendar_events_repository'\n],\nfunction(\n    $,\n    Notification,\n    CustomEvents,\n    Str,\n    Templates,\n    EventList,\n    CourseRepository,\n    EventsRepository\n) {\n\n    var SELECTORS = {\n        MORE_COURSES_BUTTON: '[data-action=\"more-courses\"]',\n        MORE_COURSES_BUTTON_CONTAINER: '[data-region=\"more-courses-button-container\"]',\n        NO_COURSES_EMPTY_MESSAGE: '[data-region=\"no-courses-empty-message\"]',\n        COURSES_LIST: '[data-region=\"courses-list\"]',\n        COURSE_ITEMS_LOADING_PLACEHOLDER: '[data-region=\"course-items-loading-placeholder\"]',\n        COURSE_EVENTS_CONTAINER: '[data-region=\"course-events-container\"]',\n        COURSE_NAME: '[data-region=\"course-name\"]',\n        LOADING_ICON: '.loading-icon'\n    };\n\n    var TEMPLATES = {\n        COURSE_ITEMS: 'block_timeline/course-items',\n        LOADING_ICON: 'core/loading'\n    };\n\n    var COURSE_CLASSIFICATION = 'inprogress';\n    var COURSE_SORT = 'fullname asc';\n    var COURSE_EVENT_LIMIT = 5;\n    var COURSE_LIMIT = 2;\n    var SECONDS_IN_DAY = 60 * 60 * 24;\n\n    /**\n     * Hide the loading placeholder elements.\n     *\n     * @param {object} root The rool element.\n     */\n    var hideLoadingPlaceholder = function(root) {\n        root.find(SELECTORS.COURSE_ITEMS_LOADING_PLACEHOLDER).addClass('hidden');\n    };\n\n    /**\n     * Hide the \"more courses\" button.\n     *\n     * @param {object} root The rool element.\n     */\n    var hideMoreCoursesButton = function(root) {\n        root.find(SELECTORS.MORE_COURSES_BUTTON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the \"more courses\" button.\n     *\n     * @param {object} root The rool element.\n     */\n    var showMoreCoursesButton = function(root) {\n        root.find(SELECTORS.MORE_COURSES_BUTTON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Disable the \"more courses\" button and show the loading spinner.\n     *\n     * @param {object} root The rool element.\n     */\n    var enableMoreCoursesButtonLoading = function(root) {\n        var button = root.find(SELECTORS.MORE_COURSES_BUTTON);\n        button.prop('disabled', true);\n        Templates.render(TEMPLATES.LOADING_ICON, {})\n            .then(function(html) {\n                button.append(html);\n                return html;\n            })\n            .catch(function() {\n                // It's not important if this false so just do so silently.\n                return false;\n            });\n    };\n\n    /**\n     * Enable the \"more courses\" button and remove the loading spinner.\n     *\n     * @param {object} root The rool element.\n     */\n    var disableMoreCoursesButtonLoading = function(root) {\n        var button = root.find(SELECTORS.MORE_COURSES_BUTTON);\n        button.prop('disabled', false);\n        button.find(SELECTORS.LOADING_ICON).remove();\n    };\n\n    /**\n     * Display the message for when there are no courses available.\n     *\n     * @param {object} root The rool element.\n     */\n    var showNoCoursesEmptyMessage = function(root) {\n        root.find(SELECTORS.NO_COURSES_EMPTY_MESSAGE).removeClass('hidden');\n    };\n\n    /**\n     * Render the course items HTML to the page.\n     *\n     * @param {object} root The rool element.\n     * @param {string} html The course items HTML to render.\n     */\n    var renderCourseItemsHTML = function(root, html) {\n        var container = root.find(SELECTORS.COURSES_LIST);\n        Templates.appendNodeContents(container, html, '');\n    };\n\n    /**\n     * Check if any courses have been loaded.\n     *\n     * @param {object} root The rool element.\n     * @return {bool}\n     */\n    var hasLoadedCourses = function(root) {\n        return root.find(SELECTORS.COURSE_EVENTS_CONTAINER).length > 0;\n    };\n\n    /**\n     * Return the offset value for fetching courses.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getOffset = function(root) {\n        return parseInt(root.attr('data-offset'), 10);\n    };\n\n    /**\n     * Set the offset value for fetching courses.\n     *\n     * @param {object} root The rool element.\n     * @param {Number} offset Offset value.\n     */\n    var setOffset = function(root, offset) {\n        root.attr('data-offset', offset);\n    };\n\n    /**\n     * Return the limit value for fetching courses.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getLimit = function(root) {\n        return parseInt(root.attr('data-limit'), 10);\n    };\n\n    /**\n     * Return the days offset value for fetching events.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getDaysOffset = function(root) {\n        return parseInt(root.attr('data-days-offset'), 10);\n    };\n\n    /**\n     * Return the days limit value for fetching events. The days\n     * limit is optional so undefined will be returned if it isn't\n     * set.\n     *\n     * @param {object} root The rool element.\n     * @return {int|undefined}\n     */\n    var getDaysLimit = function(root) {\n        var daysLimit = root.attr('data-days-limit');\n        return daysLimit != undefined ? parseInt(daysLimit, 10) : undefined;\n    };\n\n    /**\n     * Return the timestamp for the user's midnight.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getMidnight = function(root) {\n        return parseInt(root.attr('data-midnight'), 10);\n    };\n\n    /**\n     * Return the start time for fetching events. This is calculated\n     * based on the user's midnight value so that timezones are\n     * preserved.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getStartTime = function(root) {\n        var midnight = getMidnight(root);\n        var daysOffset = getDaysOffset(root);\n        return midnight + (daysOffset * SECONDS_IN_DAY);\n    };\n\n    /**\n     * Return the end time for fetching events. This is calculated\n     * based on the user's midnight value so that timezones are\n     * preserved.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getEndTime = function(root) {\n        var midnight = getMidnight(root);\n        var daysLimit = getDaysLimit(root);\n        return daysLimit != undefined ? midnight + (daysLimit * SECONDS_IN_DAY) : false;\n    };\n\n    /**\n     * Get a list of events for the given course ids. Returns a promise that will\n     * be resolved with the events.\n     *\n     * @param {array} courseIds The list of course ids to fetch events for.\n     * @param {Number} startTime Timestamp to fetch events from.\n     * @param {Number} limit Limit to the number of events (this applies per course, not total)\n     * @param {Number} endTime Timestamp to fetch events to.\n     * @return {object} jQuery promise.\n     */\n    var getEventsForCourseIds = function(courseIds, startTime, limit, endTime) {\n        var args = {\n            courseids: courseIds,\n            starttime: startTime,\n            limit: limit\n        };\n\n        if (endTime) {\n            args.endtime = endTime;\n        }\n\n        return EventsRepository.queryByCourses(args);\n    };\n\n    /**\n     * Get the last time the events were reloaded.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getEventReloadTime = function(root) {\n        return root.data('last-event-load-time');\n    };\n\n    /**\n     * Set the last time the events were reloaded.\n     *\n     * @param {object} root The rool element.\n     * @param {Number} time Timestamp in milliseconds.\n     */\n    var setEventReloadTime = function(root, time) {\n        root.data('last-event-load-time', time);\n    };\n\n    /**\n     * Check if events have begun reloading since the given\n     * time.\n     *\n     * @param {object} root The rool element.\n     * @param {Number} time Timestamp in milliseconds.\n     * @return {bool}\n     */\n    var hasReloadedEventsSince = function(root, time) {\n        return getEventReloadTime(root) > time;\n    };\n\n    /**\n     * Send a request to the server to load the events for the courses.\n     *\n     * @param {array} courses List of course objects.\n     * @param {Number} startTime Timestamp to load events after.\n     * @param {int|undefined} endTime Timestamp to load events up until.\n     * @return {object} jQuery promise resolved with the events.\n     */\n    var loadEventsForCourses = function(courses, startTime, endTime) {\n        var courseIds = courses.map(function(course) {\n            return course.id;\n        });\n\n        return getEventsForCourseIds(courseIds, startTime, COURSE_EVENT_LIMIT + 1, endTime);\n    };\n\n    /**\n     * Render the courses in the DOM once the server has returned the courses.\n     *\n     * @param {array} courses List of course objects.\n     * @param {object} root The root element\n     * @param {Number} midnight The midnight timestamp in the user's timezone.\n     * @param {Number} daysOffset Number of days from today to offset the events.\n     * @param {Number} daysLimit Number of days from today to limit the events to.\n     * @param {string} noEventsURL URL for the image to display for no events.\n     * @return {object} jQuery promise resolved after rendering is complete.\n     */\n    var updateDisplayFromCourses = function(courses, root, midnight, daysOffset, daysLimit, noEventsURL) {\n        // Render the courses template.\n        return Templates.render(TEMPLATES.COURSE_ITEMS, {\n            courses: courses,\n            midnight: midnight,\n            hasdaysoffset: true,\n            hasdayslimit: daysLimit != undefined,\n            daysoffset: daysOffset,\n            dayslimit: daysLimit,\n            nodayslimit: daysLimit == undefined,\n            urls: {\n                noevents: noEventsURL\n            }\n        }).then(function(html) {\n            hideLoadingPlaceholder(root);\n\n            if (html) {\n                // Template rendering is complete and we have the HTML so we can\n                // add it to the DOM.\n                renderCourseItemsHTML(root, html);\n            } else {\n                if (!hasLoadedCourses(root)) {\n                    // There were no courses to render so show the empty placeholder\n                    // message for the user to tell them.\n                    showNoCoursesEmptyMessage(root);\n                }\n            }\n\n            return html;\n        })\n        .then(function(html) {\n            if (courses.length < COURSE_LIMIT) {\n                // We know there aren't any more courses because we got back less\n                // than we asked for so hide the button to request more.\n                hideMoreCoursesButton(root);\n            } else {\n                // Make sure the button is visible if there are more courses to load.\n                showMoreCoursesButton(root);\n            }\n\n            return html;\n        })\n        .catch(function() {\n            hideLoadingPlaceholder(root);\n        });\n    };\n\n    /**\n     * Find all of the visible course blocks and initialise the event\n     * list module to being loading the events for the course block.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     * @return {object} jQuery promise resolved with courses and events.\n     */\n    var loadMoreCourses = function(root) {\n        var offset = getOffset(root);\n        var limit = getLimit(root);\n\n        // Start loading the next set of courses.\n        return CourseRepository.getEnrolledCoursesByTimelineClassification(\n            COURSE_CLASSIFICATION,\n            limit,\n            offset,\n            COURSE_SORT\n        ).then(function(result) {\n            var startEventLoadingTime = Date.now();\n            var courses = result.courses;\n            var nextOffset = result.nextoffset;\n            var daysOffset = getDaysOffset(root);\n            var daysLimit = getDaysLimit(root);\n            var midnight = getMidnight(root);\n            var startTime = getStartTime(root);\n            var endTime = getEndTime(root);\n            var noEventsURL = root.attr('data-no-events-url');\n            // Record the next offset if we want to request more courses.\n            setOffset(root, nextOffset);\n            // Load the events for these courses.\n            var eventsPromise = loadEventsForCourses(courses, startTime, endTime);\n            // Render the courses in the DOM.\n            var renderPromise = updateDisplayFromCourses(courses, root, midnight, daysOffset, daysLimit, noEventsURL);\n\n            return $.when(eventsPromise, renderPromise)\n                .then(function(eventsByCourse) {\n                    if (hasReloadedEventsSince(root, startEventLoadingTime)) {\n                        // All of the events are being reloaded so ignore our results.\n                        return eventsByCourse;\n                    }\n\n                    // When we've got all of the courses and events we can render the events in the\n                    // correct course event list.\n                    courses.forEach(function(course) {\n                        var courseId = course.id;\n                        var events = [];\n                        var containerSelector = '[data-region=\"course-events-container\"][data-course-id=\"' + courseId + '\"]';\n                        var courseEventsContainer = root.find(containerSelector);\n                        var eventListRoot = courseEventsContainer.find(EventList.rootSelector);\n                        var courseGroups = eventsByCourse.groupedbycourse.filter(function(group) {\n                            return group.courseid == courseId;\n                        });\n\n                        if (courseGroups.length) {\n                            // Get the events for this course.\n                            events = courseGroups[0].events;\n                        }\n\n                        // Create a preloaded page to pass to the event list because we've already\n                        // loaded the first page of events.\n                        var pageOnePreload = $.Deferred().resolve({events: events}).promise();\n                        // Initialise the event list pagination area for this course.\n                        Str.get_string('ariaeventlistpaginationnavcourses', 'block_timeline', course.fullnamedisplay)\n                            .then(function(string) {\n                                EventList.init(eventListRoot, COURSE_EVENT_LIMIT, {'1': pageOnePreload}, string);\n                                return string;\n                            })\n                            .catch(function() {\n                                // An error is ok, just render with the default string.\n                                EventList.init(eventListRoot, COURSE_EVENT_LIMIT, {'1': pageOnePreload});\n                            });\n                    });\n\n                    return eventsByCourse;\n                });\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Reload the events for all of the visible courses. These events will be loaded\n     * in a single request to the server.\n     *\n     * @param {object} root The root element.\n     * @return {object} jQuery promise resolved with courses and events.\n     */\n    var reloadCourseEvents = function(root) {\n        var startReloadTime = Date.now();\n        var startTime = getStartTime(root);\n        var endTime = getEndTime(root);\n        var courseEventsContainers = root.find(SELECTORS.COURSE_EVENTS_CONTAINER);\n        var courseIds = courseEventsContainers.map(function() {\n            return $(this).attr('data-course-id');\n        }).get();\n\n        // Record when we started our request.\n        setEventReloadTime(root, startReloadTime);\n\n        // Load all of the events for the given courses.\n        return getEventsForCourseIds(courseIds, startTime, COURSE_EVENT_LIMIT + 1, endTime)\n            .then(function(eventsByCourse) {\n                if (hasReloadedEventsSince(root, startReloadTime)) {\n                    // A new reload has begun so ignore our results.\n                    return eventsByCourse;\n                }\n\n                courseEventsContainers.each(function(index, container) {\n                    container = $(container);\n                    var courseId = container.attr('data-course-id');\n                    var courseName = container.find(SELECTORS.COURSE_NAME).text();\n                    var eventListContainer = container.find(EventList.rootSelector);\n                    var pageDeferred = $.Deferred();\n                    var events = [];\n                    var courseGroups = eventsByCourse.groupedbycourse.filter(function(group) {\n                        return group.courseid == courseId;\n                    });\n\n                    if (courseGroups.length) {\n                        // Get the events just for this course.\n                        events = courseGroups[0].events;\n                    }\n\n                    pageDeferred.resolve({events: events});\n\n                    // Re-initialise the events list with the preloaded events we just got from\n                    // the server.\n                    Str.get_string('ariaeventlistpaginationnavcourses', 'block_timeline', courseName)\n                        .then(function(string) {\n                            EventList.init(eventListContainer, COURSE_EVENT_LIMIT, {'1': pageDeferred.promise()}, string);\n                            return string;\n                        })\n                        .catch(function() {\n                            // Ignore a failure to load the string. Just render with the default string.\n                            EventList.init(eventListContainer, COURSE_EVENT_LIMIT, {'1': pageDeferred.promise()});\n                        });\n                });\n\n                return eventsByCourse;\n            }).catch(Notification.exception);\n    };\n\n    /**\n     * Add event listeners to load more courses for the courses view.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var registerEventListeners = function(root) {\n        CustomEvents.define(root, [CustomEvents.events.activate]);\n        // Show more courses and load their events when the user clicks the \"more courses\"\n        // button.\n        root.on(CustomEvents.events.activate, SELECTORS.MORE_COURSES_BUTTON, function(e, data) {\n            enableMoreCoursesButtonLoading(root);\n            loadMoreCourses(root)\n                .then(function() {\n                    disableMoreCoursesButtonLoading(root);\n                    return;\n                })\n                .catch(function() {\n                    disableMoreCoursesButtonLoading(root);\n                });\n\n            if (data) {\n                data.originalEvent.preventDefault();\n                data.originalEvent.stopPropagation();\n            }\n            e.stopPropagation();\n        });\n    };\n\n    /**\n     * Initialise the timeline courses view. Begin loading the events\n     * if this view is active. Add the relevant event listeners.\n     *\n     * This function should only be called once per page load because it\n     * is adding event listeners to the page.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var init = function(root) {\n        root = $(root);\n\n        setEventReloadTime(root, Date.now());\n\n        if (root.hasClass('active')) {\n            // Only load if this is active otherwise it will be lazy loaded later.\n            loadMoreCourses(root);\n            root.attr('data-seen', true);\n        }\n\n        registerEventListeners(root);\n    };\n\n    /**\n     * Reset the element back to it's initial state. Begin loading the events again\n     * if this view is active.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var reset = function(root) {\n        root.removeAttr('data-seen');\n        if (root.hasClass('active')) {\n            shown(root);\n        }\n    };\n\n    /**\n     * If this is the first time this view has been displayed then begin loading\n     * the events.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var shown = function(root) {\n        if (!root.attr('data-seen')) {\n            if (hasLoadedCourses(root)) {\n                // This isn't the first time this view is shown so just reload the\n                // events for the courses we've already loaded.\n                reloadCourseEvents(root);\n            } else {\n                // We haven't loaded any courses yet so do that now.\n                loadMoreCourses(root);\n            }\n\n            root.attr('data-seen', true);\n        }\n    };\n\n    return {\n        init: init,\n        reset: reset,\n        shown: shown\n    };\n});\n"],"file":"view_courses.min.js"}
\ No newline at end of file
+{"version":3,"file":"view_courses.min.js","sources":["../src/view_courses.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline courses view for the timeline block.\n *\n * @package    block_timeline\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/custom_interaction_events',\n    'core/str',\n    'core/templates',\n    'block_timeline/event_list',\n    'core_course/repository',\n    'block_timeline/calendar_events_repository'\n],\nfunction(\n    $,\n    Notification,\n    CustomEvents,\n    Str,\n    Templates,\n    EventList,\n    CourseRepository,\n    EventsRepository\n) {\n\n    var SELECTORS = {\n        MORE_COURSES_BUTTON: '[data-action=\"more-courses\"]',\n        MORE_COURSES_BUTTON_CONTAINER: '[data-region=\"more-courses-button-container\"]',\n        NO_COURSES_EMPTY_MESSAGE: '[data-region=\"no-courses-empty-message\"]',\n        COURSES_LIST: '[data-region=\"courses-list\"]',\n        COURSE_ITEMS_LOADING_PLACEHOLDER: '[data-region=\"course-items-loading-placeholder\"]',\n        COURSE_EVENTS_CONTAINER: '[data-region=\"course-events-container\"]',\n        COURSE_NAME: '[data-region=\"course-name\"]',\n        LOADING_ICON: '.loading-icon'\n    };\n\n    var TEMPLATES = {\n        COURSE_ITEMS: 'block_timeline/course-items',\n        LOADING_ICON: 'core/loading'\n    };\n\n    var COURSE_CLASSIFICATION = 'inprogress';\n    var COURSE_SORT = 'fullname asc';\n    var COURSE_EVENT_LIMIT = 5;\n    var COURSE_LIMIT = 2;\n    var SECONDS_IN_DAY = 60 * 60 * 24;\n\n    /**\n     * Hide the loading placeholder elements.\n     *\n     * @param {object} root The rool element.\n     */\n    var hideLoadingPlaceholder = function(root) {\n        root.find(SELECTORS.COURSE_ITEMS_LOADING_PLACEHOLDER).addClass('hidden');\n    };\n\n    /**\n     * Hide the \"more courses\" button.\n     *\n     * @param {object} root The rool element.\n     */\n    var hideMoreCoursesButton = function(root) {\n        root.find(SELECTORS.MORE_COURSES_BUTTON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the \"more courses\" button.\n     *\n     * @param {object} root The rool element.\n     */\n    var showMoreCoursesButton = function(root) {\n        root.find(SELECTORS.MORE_COURSES_BUTTON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Disable the \"more courses\" button and show the loading spinner.\n     *\n     * @param {object} root The rool element.\n     */\n    var enableMoreCoursesButtonLoading = function(root) {\n        var button = root.find(SELECTORS.MORE_COURSES_BUTTON);\n        button.prop('disabled', true);\n        Templates.render(TEMPLATES.LOADING_ICON, {})\n            .then(function(html) {\n                button.append(html);\n                return html;\n            })\n            .catch(function() {\n                // It's not important if this false so just do so silently.\n                return false;\n            });\n    };\n\n    /**\n     * Enable the \"more courses\" button and remove the loading spinner.\n     *\n     * @param {object} root The rool element.\n     */\n    var disableMoreCoursesButtonLoading = function(root) {\n        var button = root.find(SELECTORS.MORE_COURSES_BUTTON);\n        button.prop('disabled', false);\n        button.find(SELECTORS.LOADING_ICON).remove();\n    };\n\n    /**\n     * Display the message for when there are no courses available.\n     *\n     * @param {object} root The rool element.\n     */\n    var showNoCoursesEmptyMessage = function(root) {\n        root.find(SELECTORS.NO_COURSES_EMPTY_MESSAGE).removeClass('hidden');\n    };\n\n    /**\n     * Render the course items HTML to the page.\n     *\n     * @param {object} root The rool element.\n     * @param {string} html The course items HTML to render.\n     */\n    var renderCourseItemsHTML = function(root, html) {\n        var container = root.find(SELECTORS.COURSES_LIST);\n        Templates.appendNodeContents(container, html, '');\n    };\n\n    /**\n     * Check if any courses have been loaded.\n     *\n     * @param {object} root The rool element.\n     * @return {bool}\n     */\n    var hasLoadedCourses = function(root) {\n        return root.find(SELECTORS.COURSE_EVENTS_CONTAINER).length > 0;\n    };\n\n    /**\n     * Return the offset value for fetching courses.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getOffset = function(root) {\n        return parseInt(root.attr('data-offset'), 10);\n    };\n\n    /**\n     * Set the offset value for fetching courses.\n     *\n     * @param {object} root The rool element.\n     * @param {Number} offset Offset value.\n     */\n    var setOffset = function(root, offset) {\n        root.attr('data-offset', offset);\n    };\n\n    /**\n     * Return the limit value for fetching courses.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getLimit = function(root) {\n        return parseInt(root.attr('data-limit'), 10);\n    };\n\n    /**\n     * Return the days offset value for fetching events.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getDaysOffset = function(root) {\n        return parseInt(root.attr('data-days-offset'), 10);\n    };\n\n    /**\n     * Return the days limit value for fetching events. The days\n     * limit is optional so undefined will be returned if it isn't\n     * set.\n     *\n     * @param {object} root The rool element.\n     * @return {int|undefined}\n     */\n    var getDaysLimit = function(root) {\n        var daysLimit = root.attr('data-days-limit');\n        return daysLimit != undefined ? parseInt(daysLimit, 10) : undefined;\n    };\n\n    /**\n     * Return the timestamp for the user's midnight.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getMidnight = function(root) {\n        return parseInt(root.attr('data-midnight'), 10);\n    };\n\n    /**\n     * Return the start time for fetching events. This is calculated\n     * based on the user's midnight value so that timezones are\n     * preserved.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getStartTime = function(root) {\n        var midnight = getMidnight(root);\n        var daysOffset = getDaysOffset(root);\n        return midnight + (daysOffset * SECONDS_IN_DAY);\n    };\n\n    /**\n     * Return the end time for fetching events. This is calculated\n     * based on the user's midnight value so that timezones are\n     * preserved.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getEndTime = function(root) {\n        var midnight = getMidnight(root);\n        var daysLimit = getDaysLimit(root);\n        return daysLimit != undefined ? midnight + (daysLimit * SECONDS_IN_DAY) : false;\n    };\n\n    /**\n     * Get a list of events for the given course ids. Returns a promise that will\n     * be resolved with the events.\n     *\n     * @param {array} courseIds The list of course ids to fetch events for.\n     * @param {Number} startTime Timestamp to fetch events from.\n     * @param {Number} limit Limit to the number of events (this applies per course, not total)\n     * @param {Number} endTime Timestamp to fetch events to.\n     * @return {object} jQuery promise.\n     */\n    var getEventsForCourseIds = function(courseIds, startTime, limit, endTime) {\n        var args = {\n            courseids: courseIds,\n            starttime: startTime,\n            limit: limit\n        };\n\n        if (endTime) {\n            args.endtime = endTime;\n        }\n\n        return EventsRepository.queryByCourses(args);\n    };\n\n    /**\n     * Get the last time the events were reloaded.\n     *\n     * @param {object} root The rool element.\n     * @return {Number}\n     */\n    var getEventReloadTime = function(root) {\n        return root.data('last-event-load-time');\n    };\n\n    /**\n     * Set the last time the events were reloaded.\n     *\n     * @param {object} root The rool element.\n     * @param {Number} time Timestamp in milliseconds.\n     */\n    var setEventReloadTime = function(root, time) {\n        root.data('last-event-load-time', time);\n    };\n\n    /**\n     * Check if events have begun reloading since the given\n     * time.\n     *\n     * @param {object} root The rool element.\n     * @param {Number} time Timestamp in milliseconds.\n     * @return {bool}\n     */\n    var hasReloadedEventsSince = function(root, time) {\n        return getEventReloadTime(root) > time;\n    };\n\n    /**\n     * Send a request to the server to load the events for the courses.\n     *\n     * @param {array} courses List of course objects.\n     * @param {Number} startTime Timestamp to load events after.\n     * @param {int|undefined} endTime Timestamp to load events up until.\n     * @return {object} jQuery promise resolved with the events.\n     */\n    var loadEventsForCourses = function(courses, startTime, endTime) {\n        var courseIds = courses.map(function(course) {\n            return course.id;\n        });\n\n        return getEventsForCourseIds(courseIds, startTime, COURSE_EVENT_LIMIT + 1, endTime);\n    };\n\n    /**\n     * Render the courses in the DOM once the server has returned the courses.\n     *\n     * @param {array} courses List of course objects.\n     * @param {object} root The root element\n     * @param {Number} midnight The midnight timestamp in the user's timezone.\n     * @param {Number} daysOffset Number of days from today to offset the events.\n     * @param {Number} daysLimit Number of days from today to limit the events to.\n     * @param {string} noEventsURL URL for the image to display for no events.\n     * @return {object} jQuery promise resolved after rendering is complete.\n     */\n    var updateDisplayFromCourses = function(courses, root, midnight, daysOffset, daysLimit, noEventsURL) {\n        // Render the courses template.\n        return Templates.render(TEMPLATES.COURSE_ITEMS, {\n            courses: courses,\n            midnight: midnight,\n            hasdaysoffset: true,\n            hasdayslimit: daysLimit != undefined,\n            daysoffset: daysOffset,\n            dayslimit: daysLimit,\n            nodayslimit: daysLimit == undefined,\n            urls: {\n                noevents: noEventsURL\n            }\n        }).then(function(html) {\n            hideLoadingPlaceholder(root);\n\n            if (html) {\n                // Template rendering is complete and we have the HTML so we can\n                // add it to the DOM.\n                renderCourseItemsHTML(root, html);\n            } else {\n                if (!hasLoadedCourses(root)) {\n                    // There were no courses to render so show the empty placeholder\n                    // message for the user to tell them.\n                    showNoCoursesEmptyMessage(root);\n                }\n            }\n\n            return html;\n        })\n        .then(function(html) {\n            if (courses.length < COURSE_LIMIT) {\n                // We know there aren't any more courses because we got back less\n                // than we asked for so hide the button to request more.\n                hideMoreCoursesButton(root);\n            } else {\n                // Make sure the button is visible if there are more courses to load.\n                showMoreCoursesButton(root);\n            }\n\n            return html;\n        })\n        .catch(function() {\n            hideLoadingPlaceholder(root);\n        });\n    };\n\n    /**\n     * Find all of the visible course blocks and initialise the event\n     * list module to being loading the events for the course block.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     * @return {object} jQuery promise resolved with courses and events.\n     */\n    var loadMoreCourses = function(root) {\n        var offset = getOffset(root);\n        var limit = getLimit(root);\n\n        // Start loading the next set of courses.\n        return CourseRepository.getEnrolledCoursesByTimelineClassification(\n            COURSE_CLASSIFICATION,\n            limit,\n            offset,\n            COURSE_SORT\n        ).then(function(result) {\n            var startEventLoadingTime = Date.now();\n            var courses = result.courses;\n            var nextOffset = result.nextoffset;\n            var daysOffset = getDaysOffset(root);\n            var daysLimit = getDaysLimit(root);\n            var midnight = getMidnight(root);\n            var startTime = getStartTime(root);\n            var endTime = getEndTime(root);\n            var noEventsURL = root.attr('data-no-events-url');\n            // Record the next offset if we want to request more courses.\n            setOffset(root, nextOffset);\n            // Load the events for these courses.\n            var eventsPromise = loadEventsForCourses(courses, startTime, endTime);\n            // Render the courses in the DOM.\n            var renderPromise = updateDisplayFromCourses(courses, root, midnight, daysOffset, daysLimit, noEventsURL);\n\n            return $.when(eventsPromise, renderPromise)\n                .then(function(eventsByCourse) {\n                    if (hasReloadedEventsSince(root, startEventLoadingTime)) {\n                        // All of the events are being reloaded so ignore our results.\n                        return eventsByCourse;\n                    }\n\n                    // When we've got all of the courses and events we can render the events in the\n                    // correct course event list.\n                    courses.forEach(function(course) {\n                        var courseId = course.id;\n                        var events = [];\n                        var containerSelector = '[data-region=\"course-events-container\"][data-course-id=\"' + courseId + '\"]';\n                        var courseEventsContainer = root.find(containerSelector);\n                        var eventListRoot = courseEventsContainer.find(EventList.rootSelector);\n                        var courseGroups = eventsByCourse.groupedbycourse.filter(function(group) {\n                            return group.courseid == courseId;\n                        });\n\n                        if (courseGroups.length) {\n                            // Get the events for this course.\n                            events = courseGroups[0].events;\n                        }\n\n                        // Create a preloaded page to pass to the event list because we've already\n                        // loaded the first page of events.\n                        var pageOnePreload = $.Deferred().resolve({events: events}).promise();\n                        // Initialise the event list pagination area for this course.\n                        Str.get_string('ariaeventlistpaginationnavcourses', 'block_timeline', course.fullnamedisplay)\n                            .then(function(string) {\n                                EventList.init(eventListRoot, COURSE_EVENT_LIMIT, {'1': pageOnePreload}, string);\n                                return string;\n                            })\n                            .catch(function() {\n                                // An error is ok, just render with the default string.\n                                EventList.init(eventListRoot, COURSE_EVENT_LIMIT, {'1': pageOnePreload});\n                            });\n                    });\n\n                    return eventsByCourse;\n                });\n        }).catch(Notification.exception);\n    };\n\n    /**\n     * Reload the events for all of the visible courses. These events will be loaded\n     * in a single request to the server.\n     *\n     * @param {object} root The root element.\n     * @return {object} jQuery promise resolved with courses and events.\n     */\n    var reloadCourseEvents = function(root) {\n        var startReloadTime = Date.now();\n        var startTime = getStartTime(root);\n        var endTime = getEndTime(root);\n        var courseEventsContainers = root.find(SELECTORS.COURSE_EVENTS_CONTAINER);\n        var courseIds = courseEventsContainers.map(function() {\n            return $(this).attr('data-course-id');\n        }).get();\n\n        // Record when we started our request.\n        setEventReloadTime(root, startReloadTime);\n\n        // Load all of the events for the given courses.\n        return getEventsForCourseIds(courseIds, startTime, COURSE_EVENT_LIMIT + 1, endTime)\n            .then(function(eventsByCourse) {\n                if (hasReloadedEventsSince(root, startReloadTime)) {\n                    // A new reload has begun so ignore our results.\n                    return eventsByCourse;\n                }\n\n                courseEventsContainers.each(function(index, container) {\n                    container = $(container);\n                    var courseId = container.attr('data-course-id');\n                    var courseName = container.find(SELECTORS.COURSE_NAME).text();\n                    var eventListContainer = container.find(EventList.rootSelector);\n                    var pageDeferred = $.Deferred();\n                    var events = [];\n                    var courseGroups = eventsByCourse.groupedbycourse.filter(function(group) {\n                        return group.courseid == courseId;\n                    });\n\n                    if (courseGroups.length) {\n                        // Get the events just for this course.\n                        events = courseGroups[0].events;\n                    }\n\n                    pageDeferred.resolve({events: events});\n\n                    // Re-initialise the events list with the preloaded events we just got from\n                    // the server.\n                    Str.get_string('ariaeventlistpaginationnavcourses', 'block_timeline', courseName)\n                        .then(function(string) {\n                            EventList.init(eventListContainer, COURSE_EVENT_LIMIT, {'1': pageDeferred.promise()}, string);\n                            return string;\n                        })\n                        .catch(function() {\n                            // Ignore a failure to load the string. Just render with the default string.\n                            EventList.init(eventListContainer, COURSE_EVENT_LIMIT, {'1': pageDeferred.promise()});\n                        });\n                });\n\n                return eventsByCourse;\n            }).catch(Notification.exception);\n    };\n\n    /**\n     * Add event listeners to load more courses for the courses view.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var registerEventListeners = function(root) {\n        CustomEvents.define(root, [CustomEvents.events.activate]);\n        // Show more courses and load their events when the user clicks the \"more courses\"\n        // button.\n        root.on(CustomEvents.events.activate, SELECTORS.MORE_COURSES_BUTTON, function(e, data) {\n            enableMoreCoursesButtonLoading(root);\n            loadMoreCourses(root)\n                .then(function() {\n                    disableMoreCoursesButtonLoading(root);\n                    return;\n                })\n                .catch(function() {\n                    disableMoreCoursesButtonLoading(root);\n                });\n\n            if (data) {\n                data.originalEvent.preventDefault();\n                data.originalEvent.stopPropagation();\n            }\n            e.stopPropagation();\n        });\n    };\n\n    /**\n     * Initialise the timeline courses view. Begin loading the events\n     * if this view is active. Add the relevant event listeners.\n     *\n     * This function should only be called once per page load because it\n     * is adding event listeners to the page.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var init = function(root) {\n        root = $(root);\n\n        setEventReloadTime(root, Date.now());\n\n        if (root.hasClass('active')) {\n            // Only load if this is active otherwise it will be lazy loaded later.\n            loadMoreCourses(root);\n            root.attr('data-seen', true);\n        }\n\n        registerEventListeners(root);\n    };\n\n    /**\n     * Reset the element back to it's initial state. Begin loading the events again\n     * if this view is active.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var reset = function(root) {\n        root.removeAttr('data-seen');\n        if (root.hasClass('active')) {\n            shown(root);\n        }\n    };\n\n    /**\n     * If this is the first time this view has been displayed then begin loading\n     * the events.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var shown = function(root) {\n        if (!root.attr('data-seen')) {\n            if (hasLoadedCourses(root)) {\n                // This isn't the first time this view is shown so just reload the\n                // events for the courses we've already loaded.\n                reloadCourseEvents(root);\n            } else {\n                // We haven't loaded any courses yet so do that now.\n                loadMoreCourses(root);\n            }\n\n            root.attr('data-seen', true);\n        }\n    };\n\n    return {\n        init: init,\n        reset: reset,\n        shown: shown\n    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\ No newline at end of file
diff --git a/blocks/timeline/amd/build/view_dates.min.js b/blocks/timeline/amd/build/view_dates.min.js
index a0c93b6fe5f..5a315626a4a 100644
--- a/blocks/timeline/amd/build/view_dates.min.js
+++ b/blocks/timeline/amd/build/view_dates.min.js
@@ -1,2 +1,10 @@
-define ("block_timeline/view_dates",["jquery","core/str","block_timeline/event_list","core/pubsub","core/paged_content_events"],function(a,b,c,d,e){var f={EVENT_LIST_CONTAINER:"[data-region=\"event-list-container\"]"},g=[5,10,25],h=function(a){var b=parseInt(a.data("limit"),10),c=!1,d=g.map(function(a){if(b==a){c=!0}return{value:a,active:b==a}});if(!c){d[0].active=!0}return d},i=function(b,c){var f=c+e.SET_ITEMS_PER_PAGE_LIMIT;d.subscribe(f,function(c){a(b).data("limit",c)})},j=function(d){var e=d.find(f.EVENT_LIST_CONTAINER),g=a(e).attr("id")+"user_block_timeline"+Math.random();i(d,g);var j=h(d),k={persistentLimitKey:"block_timeline_user_limit_preference",eventNamespace:g};b.get_string("ariaeventlistpaginationnavdates","block_timeline").then(function(a){c.init(e,j,{},a,k);return a}).catch(function(){c.init(e,j,{},"",k)})};return{init:function init(b){b=a(b);if(b.hasClass("active")){j(b);b.data("seen",!0)}},reset:function reset(a){a.removeAttr("data-seen");if(a.hasClass("active")){j(a);a.data("seen",!0)}},shown:function shown(a){if(!a.data("seen")){j(a);a.data("seen",!0)}}}});
-//# sourceMappingURL=view_dates.min.js.map
+/**
+ * Manage the timeline dates view for the timeline block.
+ *
+ * @package    block_timeline
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_timeline/view_dates",["jquery","core/str","block_timeline/event_list","core/pubsub","core/paged_content_events"],(function($,Str,EventList,PubSub,PagedContentEvents){var SELECTORS_EVENT_LIST_CONTAINER='[data-region="event-list-container"]',DEFAULT_PAGE_LIMIT=[5,10,25],load=function(root){var eventListContainer=root.find(SELECTORS_EVENT_LIST_CONTAINER),namespace=$(eventListContainer).attr("id")+"user_block_timeline"+Math.random();!function(root,namespace){var event=namespace+PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT;PubSub.subscribe(event,(function(limit){$(root).data("limit",limit)}))}(root,namespace);var limits=function(root){var limitPref=parseInt(root.data("limit"),10),isDefaultSet=!1,limits=DEFAULT_PAGE_LIMIT.map((function(value){return limitPref==value&&(isDefaultSet=!0),{value:value,active:limitPref==value}}));return isDefaultSet||(limits[0].active=!0),limits}(root),config={persistentLimitKey:"block_timeline_user_limit_preference",eventNamespace:namespace};Str.get_string("ariaeventlistpaginationnavdates","block_timeline").then((function(string){return EventList.init(eventListContainer,limits,{},string,config),string})).catch((function(){EventList.init(eventListContainer,limits,{},"",config)}))};return{init:function(root){(root=$(root)).hasClass("active")&&(load(root),root.data("seen",!0))},reset:function(root){root.removeAttr("data-seen"),root.hasClass("active")&&(load(root),root.data("seen",!0))},shown:function(root){root.data("seen")||(load(root),root.data("seen",!0))}}}));
+
+//# sourceMappingURL=view_dates.min.js.map
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/view_dates.min.js.map b/blocks/timeline/amd/build/view_dates.min.js.map
index 93dcbe3c571..2dbc946e634 100644
--- a/blocks/timeline/amd/build/view_dates.min.js.map
+++ b/blocks/timeline/amd/build/view_dates.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/view_dates.js"],"names":["define","$","Str","EventList","PubSub","PagedContentEvents","SELECTORS","EVENT_LIST_CONTAINER","DEFAULT_PAGE_LIMIT","getPagingLimits","root","limitPref","parseInt","data","isDefaultSet","limits","map","value","active","registerEventListeners","namespace","event","SET_ITEMS_PER_PAGE_LIMIT","subscribe","limit","load","eventListContainer","find","attr","Math","random","config","persistentLimitKey","eventNamespace","get_string","then","string","init","catch","hasClass","reset","removeAttr","shown"],"mappings":"AAuBAA,OAAM,6BACN,CACI,QADJ,CAEI,UAFJ,CAGI,2BAHJ,CAII,aAJJ,CAKI,2BALJ,CADM,CAQN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAME,IAEMC,CAAAA,CAAS,CAAG,CACZC,oBAAoB,CAAE,wCADV,CAFlB,CAMMC,CAAkB,CAAG,CAAC,CAAD,CAAI,EAAJ,CAAQ,EAAR,CAN3B,CAcMC,CAAe,CAAG,SAASC,CAAT,CAAe,IAC7BC,CAAAA,CAAS,CAAGC,QAAQ,CAACF,CAAI,CAACG,IAAL,CAAU,OAAV,CAAD,CAAqB,EAArB,CADS,CAE7BC,CAAY,GAFiB,CAG7BC,CAAM,CAAGP,CAAkB,CAACQ,GAAnB,CAAuB,SAASC,CAAT,CAAgB,CAChD,GAAIN,CAAS,EAAIM,CAAjB,CAAwB,CACpBH,CAAY,GACf,CAED,MAAO,CACHG,KAAK,CAAEA,CADJ,CAEHC,MAAM,CAAEP,CAAS,EAAIM,CAFlB,CAIV,CATY,CAHoB,CAcjC,GAAI,CAACH,CAAL,CAAmB,CACfC,CAAM,CAAC,CAAD,CAAN,CAAUG,MAAV,GACH,CAED,MAAOH,CAAAA,CACV,CAjCH,CAyCMI,CAAsB,CAAG,SAAST,CAAT,CAAeU,CAAf,CAA0B,CACnD,GAAIC,CAAAA,CAAK,CAAGD,CAAS,CAAGf,CAAkB,CAACiB,wBAA3C,CACAlB,CAAM,CAACmB,SAAP,CAAiBF,CAAjB,CAAwB,SAASG,CAAT,CAAgB,CACpCvB,CAAC,CAACS,CAAD,CAAD,CAAQG,IAAR,CAAa,OAAb,CAAsBW,CAAtB,CACH,CAFD,CAGH,CA9CH,CAqDMC,CAAI,CAAG,SAASf,CAAT,CAAe,IAClBgB,CAAAA,CAAkB,CAAGhB,CAAI,CAACiB,IAAL,CAAUrB,CAAS,CAACC,oBAApB,CADH,CAElBa,CAAS,CAAGnB,CAAC,CAACyB,CAAD,CAAD,CAAsBE,IAAtB,CAA2B,IAA3B,EAAmC,qBAAnC,CAA2DC,IAAI,CAACC,MAAL,EAFrD,CAGtBX,CAAsB,CAACT,CAAD,CAAOU,CAAP,CAAtB,CAHsB,GAKlBL,CAAAA,CAAM,CAAGN,CAAe,CAACC,CAAD,CALN,CAMlBqB,CAAM,CAAG,CACTC,kBAAkB,CAAE,sCADX,CAETC,cAAc,CAAEb,CAFP,CANS,CAUtBlB,CAAG,CAACgC,UAAJ,CAAe,iCAAf,CAAkD,gBAAlD,EACKC,IADL,CACU,SAASC,CAAT,CAAiB,CACnBjC,CAAS,CAACkC,IAAV,CAAeX,CAAf,CAAmCX,CAAnC,CAA2C,EAA3C,CAA+CqB,CAA/C,CAAuDL,CAAvD,EACA,MAAOK,CAAAA,CACV,CAJL,EAKKE,KALL,CAKW,UAAW,CAEdnC,CAAS,CAACkC,IAAV,CAAeX,CAAf,CAAmCX,CAAnC,CAA2C,EAA3C,CAA+C,EAA/C,CAAmDgB,CAAnD,CACH,CARL,CASH,CAxEH,CAkHE,MAAO,CACHM,IAAI,CAnCG,QAAPA,CAAAA,IAAO,CAAS3B,CAAT,CAAe,CACtBA,CAAI,CAAGT,CAAC,CAACS,CAAD,CAAR,CACA,GAAIA,CAAI,CAAC6B,QAAL,CAAc,QAAd,CAAJ,CAA6B,CACzBd,CAAI,CAACf,CAAD,CAAJ,CACAA,CAAI,CAACG,IAAL,CAAU,MAAV,IACH,CACJ,CA4BM,CAEH2B,KAAK,CAtBG,QAARA,CAAAA,KAAQ,CAAS9B,CAAT,CAAe,CACvBA,CAAI,CAAC+B,UAAL,CAAgB,WAAhB,EACA,GAAI/B,CAAI,CAAC6B,QAAL,CAAc,QAAd,CAAJ,CAA6B,CACzBd,CAAI,CAACf,CAAD,CAAJ,CACAA,CAAI,CAACG,IAAL,CAAU,MAAV,IACH,CACJ,CAcM,CAGH6B,KAAK,CAVG,QAARA,CAAAA,KAAQ,CAAShC,CAAT,CAAe,CACvB,GAAI,CAACA,CAAI,CAACG,IAAL,CAAU,MAAV,CAAL,CAAwB,CACpBY,CAAI,CAACf,CAAD,CAAJ,CACAA,CAAI,CAACG,IAAL,CAAU,MAAV,IACH,CACJ,CAEM,CAKV,CArIK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline dates view for the timeline block.\n *\n * @package    block_timeline\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/str',\n    'block_timeline/event_list',\n    'core/pubsub',\n    'core/paged_content_events'\n],\nfunction(\n    $,\n    Str,\n    EventList,\n    PubSub,\n    PagedContentEvents\n) {\n\n    var SELECTORS = {\n        EVENT_LIST_CONTAINER: '[data-region=\"event-list-container\"]',\n    };\n\n    var DEFAULT_PAGE_LIMIT = [5, 10, 25];\n\n    /**\n     * Generate a paged content array of limits taking into account user preferences\n     *\n     * @param {object} root The root element for the timeline dates view.\n     * @return {array} Array of limit objects\n     */\n    var getPagingLimits = function(root) {\n        var limitPref = parseInt(root.data('limit'), 10);\n        var isDefaultSet = false;\n        var limits = DEFAULT_PAGE_LIMIT.map(function(value) {\n            if (limitPref == value) {\n                isDefaultSet = true;\n            }\n\n            return {\n                value: value,\n                active: limitPref == value\n            };\n        });\n\n        if (!isDefaultSet) {\n            limits[0].active = true;\n        }\n\n        return limits;\n    };\n\n    /**\n     * Setup the listeners for the timeline block\n     *\n     * @param {string} root view dates container\n     * @param {string} namespace The namespace for the paged content\n     */\n    var registerEventListeners = function(root, namespace) {\n        var event = namespace + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT;\n        PubSub.subscribe(event, function(limit) {\n            $(root).data('limit', limit);\n        });\n    };\n\n    /**\n     * Initialise the event list and being loading the events.\n     *\n     * @param {object} root The root element for the timeline dates view.\n     */\n    var load = function(root) {\n        var eventListContainer = root.find(SELECTORS.EVENT_LIST_CONTAINER);\n        var namespace = $(eventListContainer).attr('id') + \"user_block_timeline\" + Math.random();\n        registerEventListeners(root, namespace);\n\n        var limits = getPagingLimits(root);\n        var config = {\n            persistentLimitKey: \"block_timeline_user_limit_preference\",\n            eventNamespace: namespace\n        };\n        Str.get_string('ariaeventlistpaginationnavdates', 'block_timeline')\n            .then(function(string) {\n                EventList.init(eventListContainer, limits, {}, string, config);\n                return string;\n            })\n            .catch(function() {\n                // Ignore if we can't load the string. Still init the event list.\n                EventList.init(eventListContainer, limits, {}, \"\", config);\n            });\n    };\n\n    /**\n     * Initialise the timeline dates view. Begin loading the events\n     * if this view is active.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var init = function(root) {\n        root = $(root);\n        if (root.hasClass('active')) {\n            load(root);\n            root.data('seen', true);\n        }\n    };\n\n    /**\n     * Reset the view back to it's initial state. If this view is active then\n     * beging loading the events.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var reset = function(root) {\n        root.removeAttr('data-seen');\n        if (root.hasClass('active')) {\n            load(root);\n            root.data('seen', true);\n        }\n    };\n\n    /**\n     * Load the events if this is the first time the view is displayed.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var shown = function(root) {\n        if (!root.data('seen')) {\n            load(root);\n            root.data('seen', true);\n        }\n    };\n\n    return {\n        init: init,\n        reset: reset,\n        shown: shown\n    };\n});\n"],"file":"view_dates.min.js"}
\ No newline at end of file
+{"version":3,"file":"view_dates.min.js","sources":["../src/view_dates.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline dates view for the timeline block.\n *\n * @package    block_timeline\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/str',\n    'block_timeline/event_list',\n    'core/pubsub',\n    'core/paged_content_events'\n],\nfunction(\n    $,\n    Str,\n    EventList,\n    PubSub,\n    PagedContentEvents\n) {\n\n    var SELECTORS = {\n        EVENT_LIST_CONTAINER: '[data-region=\"event-list-container\"]',\n    };\n\n    var DEFAULT_PAGE_LIMIT = [5, 10, 25];\n\n    /**\n     * Generate a paged content array of limits taking into account user preferences\n     *\n     * @param {object} root The root element for the timeline dates view.\n     * @return {array} Array of limit objects\n     */\n    var getPagingLimits = function(root) {\n        var limitPref = parseInt(root.data('limit'), 10);\n        var isDefaultSet = false;\n        var limits = DEFAULT_PAGE_LIMIT.map(function(value) {\n            if (limitPref == value) {\n                isDefaultSet = true;\n            }\n\n            return {\n                value: value,\n                active: limitPref == value\n            };\n        });\n\n        if (!isDefaultSet) {\n            limits[0].active = true;\n        }\n\n        return limits;\n    };\n\n    /**\n     * Setup the listeners for the timeline block\n     *\n     * @param {string} root view dates container\n     * @param {string} namespace The namespace for the paged content\n     */\n    var registerEventListeners = function(root, namespace) {\n        var event = namespace + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT;\n        PubSub.subscribe(event, function(limit) {\n            $(root).data('limit', limit);\n        });\n    };\n\n    /**\n     * Initialise the event list and being loading the events.\n     *\n     * @param {object} root The root element for the timeline dates view.\n     */\n    var load = function(root) {\n        var eventListContainer = root.find(SELECTORS.EVENT_LIST_CONTAINER);\n        var namespace = $(eventListContainer).attr('id') + \"user_block_timeline\" + Math.random();\n        registerEventListeners(root, namespace);\n\n        var limits = getPagingLimits(root);\n        var config = {\n            persistentLimitKey: \"block_timeline_user_limit_preference\",\n            eventNamespace: namespace\n        };\n        Str.get_string('ariaeventlistpaginationnavdates', 'block_timeline')\n            .then(function(string) {\n                EventList.init(eventListContainer, limits, {}, string, config);\n                return string;\n            })\n            .catch(function() {\n                // Ignore if we can't load the string. Still init the event list.\n                EventList.init(eventListContainer, limits, {}, \"\", config);\n            });\n    };\n\n    /**\n     * Initialise the timeline dates view. Begin loading the events\n     * if this view is active.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var init = function(root) {\n        root = $(root);\n        if (root.hasClass('active')) {\n            load(root);\n            root.data('seen', true);\n        }\n    };\n\n    /**\n     * Reset the view back to it's initial state. If this view is active then\n     * beging loading the events.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var reset = function(root) {\n        root.removeAttr('data-seen');\n        if (root.hasClass('active')) {\n            load(root);\n            root.data('seen', true);\n        }\n    };\n\n    /**\n     * Load the events if this is the first time the view is displayed.\n     *\n     * @param {object} root The root element for the timeline courses view.\n     */\n    var shown = function(root) {\n        if (!root.data('seen')) {\n            load(root);\n            root.data('seen', true);\n        }\n    };\n\n    return {\n        init: init,\n        reset: reset,\n        shown: shown\n    };\n});\n"],"names":["define","$","Str","EventList","PubSub","PagedContentEvents","SELECTORS","DEFAULT_PAGE_LIMIT","load","root","eventListContainer","find","namespace","attr","Math","random","event","SET_ITEMS_PER_PAGE_LIMIT","subscribe","limit","data","registerEventListeners","limits","limitPref","parseInt","isDefaultSet","map","value","active","getPagingLimits","config","persistentLimitKey","eventNamespace","get_string","then","string","init","catch","hasClass","reset","removeAttr","shown"],"mappings":";;;;;;;AAuBAA,mCACA,CACI,SACA,WACA,4BACA,cACA,8BAEJ,SACIC,EACAC,IACAC,UACAC,OACAC,wBAGIC,+BACsB,uCAGtBC,mBAAqB,CAAC,EAAG,GAAI,IA+C7BC,KAAO,SAASC,UACZC,mBAAqBD,KAAKE,KAAKL,gCAC/BM,UAAYX,EAAES,oBAAoBG,KAAK,MAAQ,sBAAwBC,KAAKC,UAdvD,SAASN,KAAMG,eACpCI,MAAQJ,UAAYP,mBAAmBY,yBAC3Cb,OAAOc,UAAUF,OAAO,SAASG,OAC7BlB,EAAEQ,MAAMW,KAAK,QAASD,UAY1BE,CAAuBZ,KAAMG,eAEzBU,OA5Cc,SAASb,UACvBc,UAAYC,SAASf,KAAKW,KAAK,SAAU,IACzCK,cAAe,EACfH,OAASf,mBAAmBmB,KAAI,SAASC,cACrCJ,WAAaI,QACbF,cAAe,GAGZ,CACHE,MAAOA,MACPC,OAAQL,WAAaI,iBAIxBF,eACDH,OAAO,GAAGM,QAAS,GAGhBN,OA0BMO,CAAgBpB,MACzBqB,OAAS,CACTC,mBAAoB,uCACpBC,eAAgBpB,WAEpBV,IAAI+B,WAAW,kCAAmC,kBAC7CC,MAAK,SAASC,eACXhC,UAAUiC,KAAK1B,mBAAoBY,OAAQ,GAAIa,OAAQL,QAChDK,UAEVE,OAAM,WAEHlC,UAAUiC,KAAK1B,mBAAoBY,OAAQ,GAAI,GAAIQ,kBA4CxD,CACHM,KAnCO,SAAS3B,OAChBA,KAAOR,EAAEQ,OACA6B,SAAS,YACd9B,KAAKC,MACLA,KAAKW,KAAK,QAAQ,KAgCtBmB,MAtBQ,SAAS9B,MACjBA,KAAK+B,WAAW,aACZ/B,KAAK6B,SAAS,YACd9B,KAAKC,MACLA,KAAKW,KAAK,QAAQ,KAmBtBqB,MAVQ,SAAShC,MACZA,KAAKW,KAAK,UACXZ,KAAKC,MACLA,KAAKW,KAAK,QAAQ"}
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/view_nav.min.js b/blocks/timeline/amd/build/view_nav.min.js
index 0ed7161ac8c..3ef061c8b51 100644
--- a/blocks/timeline/amd/build/view_nav.min.js
+++ b/blocks/timeline/amd/build/view_nav.min.js
@@ -1,2 +1,10 @@
-define ("block_timeline/view_nav",["jquery","core/custom_interaction_events","block_timeline/view","core/ajax","core/notification"],function(a,b,c,d,e){var f={TIMELINE_DAY_FILTER:"[data-region=\"day-filter\"]",TIMELINE_DAY_FILTER_OPTION:"[data-from]",TIMELINE_VIEW_SELECTOR:"[data-region=\"view-selector\"]",DATA_DAYS_OFFSET:"[data-days-offset]",DATA_DAYS_LIMIT:"[data-days-limit]"},g=function(a,b){d.call([{methodname:"core_user_update_user_preferences",args:{preferences:[{type:a,value:b}]}}])[0].fail(e.exception)},h=function(d,h){var i=d.find(f.TIMELINE_DAY_FILTER);b.define(i,[b.events.activate]);i.on(b.events.activate,f.TIMELINE_DAY_FILTER_OPTION,function(b,e){var i=a(b.currentTarget).data("filtername");g("block_timeline_user_filter_preference",i);var j=a(b.target).closest(f.TIMELINE_DAY_FILTER_OPTION);if("true"==j.attr("aria-current")){return}var k=j.attr("data-from"),l=j.attr("data-to"),m=d.find(f.DATA_DAYS_OFFSET);m.attr("data-days-offset",k);if(l!=void 0){m.attr("data-days-limit",l)}else{m.removeAttr("data-days-limit")}c.reset(h);e.originalEvent.preventDefault()})},i=function(d,h){var i=d.find(f.TIMELINE_VIEW_SELECTOR);i.on("shown shown.bs.tab",function(b){c.shown(h);a(b.target).removeClass("active")});b.define(i,[b.events.activate]);i.on(b.events.activate,"[data-toggle='tab']",function(b){var c=a(b.currentTarget).data("filtername");g("block_timeline_user_sort_preference",c)})};return{init:function init(b,c){b=a(b);h(b,c);i(b,c)}}});
-//# sourceMappingURL=view_nav.min.js.map
+/**
+ * Manage the timeline view navigation for the timeline block.
+ *
+ * @package    block_timeline
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("block_timeline/view_nav",["jquery","core/custom_interaction_events","block_timeline/view","core/ajax","core/notification"],(function($,CustomEvents,View,Ajax,Notification){var SELECTORS_TIMELINE_DAY_FILTER='[data-region="day-filter"]',SELECTORS_TIMELINE_DAY_FILTER_OPTION="[data-from]",SELECTORS_TIMELINE_VIEW_SELECTOR='[data-region="view-selector"]',SELECTORS_DATA_DAYS_OFFSET="[data-days-offset]",updateUserPreferences=function(type,value){var request={methodname:"core_user_update_user_preferences",args:{preferences:[{type:type,value:value}]}};Ajax.call([request])[0].fail(Notification.exception)};return{init:function(root,timelineViewRoot){(function(root,timelineViewRoot){var timelineDaySelectorContainer=root.find(SELECTORS_TIMELINE_DAY_FILTER);CustomEvents.define(timelineDaySelectorContainer,[CustomEvents.events.activate]),timelineDaySelectorContainer.on(CustomEvents.events.activate,SELECTORS_TIMELINE_DAY_FILTER_OPTION,(function(e,data){var filtername=$(e.currentTarget).data("filtername");updateUserPreferences("block_timeline_user_filter_preference",filtername);var option=$(e.target).closest(SELECTORS_TIMELINE_DAY_FILTER_OPTION);if("true"!=option.attr("aria-current")){var daysOffset=option.attr("data-from"),daysLimit=option.attr("data-to"),elementsWithDaysOffset=root.find(SELECTORS_DATA_DAYS_OFFSET);elementsWithDaysOffset.attr("data-days-offset",daysOffset),null!=daysLimit?elementsWithDaysOffset.attr("data-days-limit",daysLimit):elementsWithDaysOffset.removeAttr("data-days-limit"),View.reset(timelineViewRoot),data.originalEvent.preventDefault()}}))})(root=$(root),timelineViewRoot),function(root,timelineViewRoot){var viewSelector=root.find(SELECTORS_TIMELINE_VIEW_SELECTOR);viewSelector.on("shown shown.bs.tab",(function(e){View.shown(timelineViewRoot),$(e.target).removeClass("active")})),CustomEvents.define(viewSelector,[CustomEvents.events.activate]),viewSelector.on(CustomEvents.events.activate,"[data-toggle='tab']",(function(e){var filtername=$(e.currentTarget).data("filtername");updateUserPreferences("block_timeline_user_sort_preference",filtername)}))}(root,timelineViewRoot)}}}));
+
+//# sourceMappingURL=view_nav.min.js.map
\ No newline at end of file
diff --git a/blocks/timeline/amd/build/view_nav.min.js.map b/blocks/timeline/amd/build/view_nav.min.js.map
index 2b6c8424f93..99ad307fc3c 100644
--- a/blocks/timeline/amd/build/view_nav.min.js.map
+++ b/blocks/timeline/amd/build/view_nav.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline view navigation for the timeline block.\n *\n * @package    block_timeline\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'block_timeline/view',\n    'core/ajax',\n    'core/notification'\n],\nfunction(\n    $,\n    CustomEvents,\n    View,\n    Ajax,\n    Notification\n) {\n\n    var SELECTORS = {\n        TIMELINE_DAY_FILTER: '[data-region=\"day-filter\"]',\n        TIMELINE_DAY_FILTER_OPTION: '[data-from]',\n        TIMELINE_VIEW_SELECTOR: '[data-region=\"view-selector\"]',\n        DATA_DAYS_OFFSET: '[data-days-offset]',\n        DATA_DAYS_LIMIT: '[data-days-limit]',\n    };\n\n    /**\n     * Generic handler to persist user preferences\n     *\n     * @param {string} type The name of the attribute you're updating\n     * @param {string} value The value of the attribute you're updating\n     */\n    var updateUserPreferences = function(type, value) {\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: {\n                preferences: [\n                    {\n                        type: type,\n                        value: value\n                    }\n                ]\n            }\n        };\n\n        Ajax.call([request])[0]\n            .fail(Notification.exception);\n    };\n\n    /**\n     * Event listener for the day selector (\"Next 7 days\", \"Next 30 days\", etc).\n     *\n     * @param {object} root The root element for the timeline block\n     * @param {object} timelineViewRoot The root element for the timeline view\n     */\n    var registerTimelineDaySelector = function(root, timelineViewRoot) {\n        var timelineDaySelectorContainer = root.find(SELECTORS.TIMELINE_DAY_FILTER);\n\n        CustomEvents.define(timelineDaySelectorContainer, [CustomEvents.events.activate]);\n        timelineDaySelectorContainer.on(\n            CustomEvents.events.activate,\n            SELECTORS.TIMELINE_DAY_FILTER_OPTION,\n            function(e, data) {\n                // Update the user preference\n                var filtername = $(e.currentTarget).data('filtername');\n                var type = 'block_timeline_user_filter_preference';\n                updateUserPreferences(type, filtername);\n\n                var option = $(e.target).closest(SELECTORS.TIMELINE_DAY_FILTER_OPTION);\n\n                if (option.attr('aria-current') == 'true') {\n                    // If it's already active then we don't need to do anything.\n                    return;\n                }\n\n                var daysOffset = option.attr('data-from');\n                var daysLimit = option.attr('data-to');\n                var elementsWithDaysOffset = root.find(SELECTORS.DATA_DAYS_OFFSET);\n\n                elementsWithDaysOffset.attr('data-days-offset', daysOffset);\n\n                if (daysLimit != undefined) {\n                    elementsWithDaysOffset.attr('data-days-limit', daysLimit);\n                } else {\n                    elementsWithDaysOffset.removeAttr('data-days-limit');\n                }\n\n                // Reset the views to reinitialise the event lists now that we've\n                // updated the day limits.\n                View.reset(timelineViewRoot);\n\n                data.originalEvent.preventDefault();\n            }\n        );\n    };\n\n    /**\n     * Event listener for the \"sort\" button in the timeline navigation that allows for\n     * changing between the timeline dates and courses views.\n     *\n     * On a view change we tell the timeline view module that the view has been shown\n     * so that it can handle how to display the appropriate view.\n     *\n     * @param {object} root The root element for the timeline block\n     * @param {object} timelineViewRoot The root element for the timeline view\n     */\n    var registerViewSelector = function(root, timelineViewRoot) {\n        var viewSelector = root.find(SELECTORS.TIMELINE_VIEW_SELECTOR);\n\n        // Listen for when the user changes tab so that we can show the first set of courses\n        // and load their events when they request the sort by courses view for the first time.\n        viewSelector.on('shown shown.bs.tab', function(e) {\n            View.shown(timelineViewRoot);\n            $(e.target).removeClass('active');\n        });\n\n\n        // Event selector for user_sort\n        CustomEvents.define(viewSelector, [CustomEvents.events.activate]);\n        viewSelector.on(CustomEvents.events.activate, \"[data-toggle='tab']\", function(e) {\n            var filtername = $(e.currentTarget).data('filtername');\n            var type = 'block_timeline_user_sort_preference';\n            updateUserPreferences(type, filtername);\n        });\n    };\n\n    /**\n     * Initialise the timeline view navigation by adding event listeners to\n     * the navigation elements.\n     *\n     * @param {object} root The root element for the timeline block\n     * @param {object} timelineViewRoot The root element for the timeline view\n     */\n    var init = function(root, timelineViewRoot) {\n        root = $(root);\n        registerTimelineDaySelector(root, timelineViewRoot);\n        registerViewSelector(root, timelineViewRoot);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"file":"view_nav.min.js"}
\ No newline at end of file
+{"version":3,"file":"view_nav.min.js","sources":["../src/view_nav.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage the timeline view navigation for the timeline block.\n *\n * @package    block_timeline\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'block_timeline/view',\n    'core/ajax',\n    'core/notification'\n],\nfunction(\n    $,\n    CustomEvents,\n    View,\n    Ajax,\n    Notification\n) {\n\n    var SELECTORS = {\n        TIMELINE_DAY_FILTER: '[data-region=\"day-filter\"]',\n        TIMELINE_DAY_FILTER_OPTION: '[data-from]',\n        TIMELINE_VIEW_SELECTOR: '[data-region=\"view-selector\"]',\n        DATA_DAYS_OFFSET: '[data-days-offset]',\n        DATA_DAYS_LIMIT: '[data-days-limit]',\n    };\n\n    /**\n     * Generic handler to persist user preferences\n     *\n     * @param {string} type The name of the attribute you're updating\n     * @param {string} value The value of the attribute you're updating\n     */\n    var updateUserPreferences = function(type, value) {\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: {\n                preferences: [\n                    {\n                        type: type,\n                        value: value\n                    }\n                ]\n            }\n        };\n\n        Ajax.call([request])[0]\n            .fail(Notification.exception);\n    };\n\n    /**\n     * Event listener for the day selector (\"Next 7 days\", \"Next 30 days\", etc).\n     *\n     * @param {object} root The root element for the timeline block\n     * @param {object} timelineViewRoot The root element for the timeline view\n     */\n    var registerTimelineDaySelector = function(root, timelineViewRoot) {\n        var timelineDaySelectorContainer = root.find(SELECTORS.TIMELINE_DAY_FILTER);\n\n        CustomEvents.define(timelineDaySelectorContainer, [CustomEvents.events.activate]);\n        timelineDaySelectorContainer.on(\n            CustomEvents.events.activate,\n            SELECTORS.TIMELINE_DAY_FILTER_OPTION,\n            function(e, data) {\n                // Update the user preference\n                var filtername = $(e.currentTarget).data('filtername');\n                var type = 'block_timeline_user_filter_preference';\n                updateUserPreferences(type, filtername);\n\n                var option = $(e.target).closest(SELECTORS.TIMELINE_DAY_FILTER_OPTION);\n\n                if (option.attr('aria-current') == 'true') {\n                    // If it's already active then we don't need to do anything.\n                    return;\n                }\n\n                var daysOffset = option.attr('data-from');\n                var daysLimit = option.attr('data-to');\n                var elementsWithDaysOffset = root.find(SELECTORS.DATA_DAYS_OFFSET);\n\n                elementsWithDaysOffset.attr('data-days-offset', daysOffset);\n\n                if (daysLimit != undefined) {\n                    elementsWithDaysOffset.attr('data-days-limit', daysLimit);\n                } else {\n                    elementsWithDaysOffset.removeAttr('data-days-limit');\n                }\n\n                // Reset the views to reinitialise the event lists now that we've\n                // updated the day limits.\n                View.reset(timelineViewRoot);\n\n                data.originalEvent.preventDefault();\n            }\n        );\n    };\n\n    /**\n     * Event listener for the \"sort\" button in the timeline navigation that allows for\n     * changing between the timeline dates and courses views.\n     *\n     * On a view change we tell the timeline view module that the view has been shown\n     * so that it can handle how to display the appropriate view.\n     *\n     * @param {object} root The root element for the timeline block\n     * @param {object} timelineViewRoot The root element for the timeline view\n     */\n    var registerViewSelector = function(root, timelineViewRoot) {\n        var viewSelector = root.find(SELECTORS.TIMELINE_VIEW_SELECTOR);\n\n        // Listen for when the user changes tab so that we can show the first set of courses\n        // and load their events when they request the sort by courses view for the first time.\n        viewSelector.on('shown shown.bs.tab', function(e) {\n            View.shown(timelineViewRoot);\n            $(e.target).removeClass('active');\n        });\n\n\n        // Event selector for user_sort\n        CustomEvents.define(viewSelector, [CustomEvents.events.activate]);\n        viewSelector.on(CustomEvents.events.activate, \"[data-toggle='tab']\", function(e) {\n            var filtername = $(e.currentTarget).data('filtername');\n            var type = 'block_timeline_user_sort_preference';\n            updateUserPreferences(type, filtername);\n        });\n    };\n\n    /**\n     * Initialise the timeline view navigation by adding event listeners to\n     * the navigation elements.\n     *\n     * @param {object} root The root element for the timeline block\n     * @param {object} timelineViewRoot The root element for the timeline view\n     */\n    var init = function(root, timelineViewRoot) {\n        root = $(root);\n        registerTimelineDaySelector(root, timelineViewRoot);\n        registerViewSelector(root, timelineViewRoot);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","CustomEvents","View","Ajax","Notification","SELECTORS","updateUserPreferences","type","value","request","methodname","args","preferences","call","fail","exception","init","root","timelineViewRoot","timelineDaySelectorContainer","find","events","activate","on","e","data","filtername","currentTarget","option","target","closest","attr","daysOffset","daysLimit","elementsWithDaysOffset","undefined","removeAttr","reset","originalEvent","preventDefault","registerTimelineDaySelector","viewSelector","shown","removeClass","registerViewSelector"],"mappings":";;;;;;;AAuBAA,iCACA,CACI,SACA,iCACA,sBACA,YACA,sBAEJ,SACIC,EACAC,aACAC,KACAC,KACAC,kBAGIC,8BACqB,6BADrBA,qCAE4B,cAF5BA,iCAGwB,gCAHxBA,2BAIkB,qBAUlBC,sBAAwB,SAASC,KAAMC,WACnCC,QAAU,CACVC,WAAY,oCACZC,KAAM,CACFC,YAAa,CACT,CACIL,KAAMA,KACNC,MAAOA,UAMvBL,KAAKU,KAAK,CAACJ,UAAU,GAChBK,KAAKV,aAAaW,kBA6FpB,CACHC,KAPO,SAASC,KAAMC,mBA9EQ,SAASD,KAAMC,sBACzCC,6BAA+BF,KAAKG,KAAKf,+BAE7CJ,aAAaF,OAAOoB,6BAA8B,CAAClB,aAAaoB,OAAOC,WACvEH,6BAA6BI,GACzBtB,aAAaoB,OAAOC,SACpBjB,sCACA,SAASmB,EAAGC,UAEJC,WAAa1B,EAAEwB,EAAEG,eAAeF,KAAK,cAEzCnB,sBADW,wCACiBoB,gBAExBE,OAAS5B,EAAEwB,EAAEK,QAAQC,QAAQzB,yCAEE,QAA/BuB,OAAOG,KAAK,qBAKZC,WAAaJ,OAAOG,KAAK,aACzBE,UAAYL,OAAOG,KAAK,WACxBG,uBAAyBjB,KAAKG,KAAKf,4BAEvC6B,uBAAuBH,KAAK,mBAAoBC,YAE/BG,MAAbF,UACAC,uBAAuBH,KAAK,kBAAmBE,WAE/CC,uBAAuBE,WAAW,mBAKtClC,KAAKmC,MAAMnB,kBAEXO,KAAKa,cAAcC,sBA4C3BC,CADAvB,KAAOjB,EAAEiB,MACyBC,kBA7BX,SAASD,KAAMC,sBAClCuB,aAAexB,KAAKG,KAAKf,kCAI7BoC,aAAalB,GAAG,sBAAsB,SAASC,GAC3CtB,KAAKwC,MAAMxB,kBACXlB,EAAEwB,EAAEK,QAAQc,YAAY,aAK5B1C,aAAaF,OAAO0C,aAAc,CAACxC,aAAaoB,OAAOC,WACvDmB,aAAalB,GAAGtB,aAAaoB,OAAOC,SAAU,uBAAuB,SAASE,OACtEE,WAAa1B,EAAEwB,EAAEG,eAAeF,KAAK,cAEzCnB,sBADW,sCACiBoB,eAchCkB,CAAqB3B,KAAMC"}
\ No newline at end of file
diff --git a/calendar/amd/build/calendar.min.js b/calendar/amd/build/calendar.min.js
index 2553e0b2fbf..46bf32523e0 100644
--- a/calendar/amd/build/calendar.min.js
+++ b/calendar/amd/build/calendar.min.js
@@ -1,2 +1,15 @@
-define ("core_calendar/calendar",["jquery","core/ajax","core/str","core/templates","core/notification","core/custom_interaction_events","core/modal_events","core/modal_factory","core_calendar/modal_event_form","core_calendar/summary_modal","core_calendar/repository","core_calendar/events","core_calendar/view_manager","core_calendar/crud","core_calendar/selectors"],function(a,b,c,d,f,g,h,i,j,k,l,m,n,o,p){var q={ROOT:"[data-region='calendar']",DAY:"[data-region='day']",NEW_EVENT_BUTTON:"[data-action='new-event-button']",DAY_CONTENT:"[data-region='day-content']",LOADING_ICON:".loading-icon",VIEW_DAY_LINK:"[data-action='view-day-link']",CALENDAR_MONTH_WRAPPER:".calendarwrapper",TODAY:".today"},r=function(b,c,e,g){var h=null,i=g.attr("data-day-timestamp");if(e){h=e.attr("data-day-timestamp")}if(!e||h!=i){d.render("core/loading",{}).then(function(a,b){g.find(q.DAY_CONTENT).addClass("hidden");d.appendNodeContents(g,a,b);if(e){e.find(q.DAY_CONTENT).addClass("hidden");d.appendNodeContents(e,a,b)}}).then(function(){return l.updateEventStartDay(c,i)}).then(function(){a("body").trigger(m.eventMoved,[c,e,g])}).always(function(){var a=g.find(q.LOADING_ICON);g.find(q.DAY_CONTENT).removeClass("hidden");d.replaceNode(a,"","");if(e){var b=e.find(q.LOADING_ICON);e.find(q.DAY_CONTENT).removeClass("hidden");d.replaceNode(b,"","")}}).fail(f.exception)}},s=function(b,c){var d=a("body");d.on(m.created,function(){n.reloadCurrentMonth(b)});d.on(m.deleted,function(){n.reloadCurrentMonth(b)});d.on(m.updated,function(){n.reloadCurrentMonth(b)});d.on(m.editActionEvent,function(a,b){window.location.assign(b)});d.on(m.moveEvent,r);d.on(m.eventMoved,function(){n.reloadCurrentMonth(b)});o.registerEditListeners(b,c)},t=function(b){b.on("click",q.VIEW_DAY_LINK,function(c){var d=a(c.target),e=d.data("year"),g=d.data("month"),h=d.data("day"),i=d.data("courseid"),j=d.data("categoryid");n.refreshDayContent(b,e,g,h,i,j,b,"core_calendar/calendar_day").then(function(){c.preventDefault();var a="?view=day&time="+d.data("timestamp");return window.history.pushState({},"",a)}).fail(f.exception)});b.on("change",p.elements.courseSelector,function(){var c=a(this),d=c.val();n.reloadCurrentMonth(b,d,null).then(function(){return b.find(p.elements.courseSelector).val(d)}).fail(f.exception)});var c=o.registerEventFormModal(b),d=a(q.CALENDAR_MONTH_WRAPPER).data("context-id");s(b,c);if(d){b.on("click",q.DAY,function(b){var d=a(b.target);if(!d.is(q.VIEW_DAY_LINK)){var e=a(this).attr("data-new-event-timestamp");c.then(function(a){var b=d.closest(p.wrapper);a.setCourseId(b.data("courseid"));var c=b.data("categoryid");if("undefined"!=typeof c){a.setCategoryId(c)}a.setContextId(b.data("contextId"));a.setStartTime(e);a.show()}).fail(f.exception);b.preventDefault()}})}};return{init:function init(b){b=a(b);n.init(b);t(b)}}});
-//# sourceMappingURL=calendar.min.js.map
+/**
+ * This module is the highest level module for the calendar. It is
+ * responsible for initialising all of the components required for
+ * the calendar to run. It also coordinates the interaction between
+ * components by listening for and responding to different events
+ * triggered within the calendar UI.
+ *
+ * @module     core_calendar/calendar
+ * @package    core_calendar
+ * @copyright  2017 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/calendar",["jquery","core/ajax","core/str","core/templates","core/notification","core/custom_interaction_events","core/modal_events","core/modal_factory","core_calendar/modal_event_form","core_calendar/summary_modal","core_calendar/repository","core_calendar/events","core_calendar/view_manager","core_calendar/crud","core_calendar/selectors"],(function($,Ajax,Str,Templates,Notification,CustomEvents,ModalEvents,ModalFactory,ModalEventForm,SummaryModal,CalendarRepository,CalendarEvents,CalendarViewManager,CalendarCrud,CalendarSelectors){var SELECTORS_DAY="[data-region='day']",SELECTORS_DAY_CONTENT="[data-region='day-content']",SELECTORS_LOADING_ICON=".loading-icon",SELECTORS_VIEW_DAY_LINK="[data-action='view-day-link']",SELECTORS_CALENDAR_MONTH_WRAPPER=".calendarwrapper",handleMoveEvent=function(e,eventId,originElement,destinationElement){var originTimestamp=null,destinationTimestamp=destinationElement.attr("data-day-timestamp");originElement&&(originTimestamp=originElement.attr("data-day-timestamp")),originElement&&originTimestamp==destinationTimestamp||Templates.render("core/loading",{}).then((function(html,js){destinationElement.find(SELECTORS_DAY_CONTENT).addClass("hidden"),Templates.appendNodeContents(destinationElement,html,js),originElement&&(originElement.find(SELECTORS_DAY_CONTENT).addClass("hidden"),Templates.appendNodeContents(originElement,html,js))})).then((function(){return CalendarRepository.updateEventStartDay(eventId,destinationTimestamp)})).then((function(){$("body").trigger(CalendarEvents.eventMoved,[eventId,originElement,destinationElement])})).always((function(){var destinationLoadingElement=destinationElement.find(SELECTORS_LOADING_ICON);if(destinationElement.find(SELECTORS_DAY_CONTENT).removeClass("hidden"),Templates.replaceNode(destinationLoadingElement,"",""),originElement){var originLoadingElement=originElement.find(SELECTORS_LOADING_ICON);originElement.find(SELECTORS_DAY_CONTENT).removeClass("hidden"),Templates.replaceNode(originLoadingElement,"","")}})).fail(Notification.exception)},registerEventListeners=function(root){root.on("click",SELECTORS_VIEW_DAY_LINK,(function(e){var dayLink=$(e.target),year=dayLink.data("year"),month=dayLink.data("month"),day=dayLink.data("day"),courseId=dayLink.data("courseid"),categoryId=dayLink.data("categoryid");CalendarViewManager.refreshDayContent(root,year,month,day,courseId,categoryId,root,"core_calendar/calendar_day").then((function(){e.preventDefault();var url="?view=day&time="+dayLink.data("timestamp");return window.history.pushState({},"",url)})).fail(Notification.exception)})),root.on("change",CalendarSelectors.elements.courseSelector,(function(){var courseId=$(this).val();CalendarViewManager.reloadCurrentMonth(root,courseId,null).then((function(){return root.find(CalendarSelectors.elements.courseSelector).val(courseId)})).fail(Notification.exception)}));var eventFormPromise=CalendarCrud.registerEventFormModal(root),contextId=$(SELECTORS_CALENDAR_MONTH_WRAPPER).data("context-id");!function(root,eventFormModalPromise){var body=$("body");body.on(CalendarEvents.created,(function(){CalendarViewManager.reloadCurrentMonth(root)})),body.on(CalendarEvents.deleted,(function(){CalendarViewManager.reloadCurrentMonth(root)})),body.on(CalendarEvents.updated,(function(){CalendarViewManager.reloadCurrentMonth(root)})),body.on(CalendarEvents.editActionEvent,(function(e,url){window.location.assign(url)})),body.on(CalendarEvents.moveEvent,handleMoveEvent),body.on(CalendarEvents.eventMoved,(function(){CalendarViewManager.reloadCurrentMonth(root)})),CalendarCrud.registerEditListeners(root,eventFormModalPromise)}(root,eventFormPromise),contextId&&root.on("click",SELECTORS_DAY,(function(e){var target=$(e.target);if(!target.is(SELECTORS_VIEW_DAY_LINK)){var startTime=$(this).attr("data-new-event-timestamp");eventFormPromise.then((function(modal){var wrapper=target.closest(CalendarSelectors.wrapper);modal.setCourseId(wrapper.data("courseid"));var categoryId=wrapper.data("categoryid");void 0!==categoryId&&modal.setCategoryId(categoryId),modal.setContextId(wrapper.data("contextId")),modal.setStartTime(startTime),modal.show()})).fail(Notification.exception),e.preventDefault()}}))};return{init:function(root){root=$(root),CalendarViewManager.init(root),registerEventListeners(root)}}}));
+
+//# sourceMappingURL=calendar.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/calendar.min.js.map b/calendar/amd/build/calendar.min.js.map
index aa84975f2fb..fd625546f66 100644
--- a/calendar/amd/build/calendar.min.js.map
+++ b/calendar/amd/build/calendar.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/calendar.js"],"names":["define","$","Ajax","Str","Templates","Notification","CustomEvents","ModalEvents","ModalFactory","ModalEventForm","SummaryModal","CalendarRepository","CalendarEvents","CalendarViewManager","CalendarCrud","CalendarSelectors","SELECTORS","ROOT","DAY","NEW_EVENT_BUTTON","DAY_CONTENT","LOADING_ICON","VIEW_DAY_LINK","CALENDAR_MONTH_WRAPPER","TODAY","handleMoveEvent","e","eventId","originElement","destinationElement","originTimestamp","destinationTimestamp","attr","render","then","html","js","find","addClass","appendNodeContents","updateEventStartDay","trigger","eventMoved","always","destinationLoadingElement","removeClass","replaceNode","originLoadingElement","fail","exception","registerCalendarEventListeners","root","eventFormModalPromise","body","on","created","reloadCurrentMonth","deleted","updated","editActionEvent","url","window","location","assign","moveEvent","registerEditListeners","registerEventListeners","dayLink","target","year","data","month","day","courseId","categoryId","refreshDayContent","preventDefault","history","pushState","elements","courseSelector","selectElement","val","eventFormPromise","registerEventFormModal","contextId","is","startTime","modal","wrapper","closest","setCourseId","setCategoryId","setContextId","setStartTime","show","init"],"mappings":"AA2BAA,OAAM,0BAAC,CACK,QADL,CAEK,WAFL,CAGK,UAHL,CAIK,gBAJL,CAKK,mBALL,CAMK,gCANL,CAOK,mBAPL,CAQK,oBARL,CASK,gCATL,CAUK,6BAVL,CAWK,0BAXL,CAYK,sBAZL,CAaK,4BAbL,CAcK,oBAdL,CAeK,yBAfL,CAAD,CAiBE,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAMIC,CANJ,CAOIC,CAPJ,CAQIC,CARJ,CASIC,CATJ,CAUIC,CAVJ,CAWIC,CAXJ,CAYIC,CAZJ,CAaIC,CAbJ,CAcIC,CAdJ,CAeIC,CAfJ,CAgBE,IAEFC,CAAAA,CAAS,CAAG,CACZC,IAAI,CAAE,0BADM,CAEZC,GAAG,CAAE,qBAFO,CAGZC,gBAAgB,CAAE,kCAHN,CAIZC,WAAW,CAAE,6BAJD,CAKZC,YAAY,CAAE,eALF,CAMZC,aAAa,CAAE,+BANH,CAOZC,sBAAsB,CAAE,kBAPZ,CAQZC,KAAK,CAAE,QARK,CAFV,CAyBFC,CAAe,CAAG,SAASC,CAAT,CAAYC,CAAZ,CAAqBC,CAArB,CAAoCC,CAApC,CAAwD,IACtEC,CAAAA,CAAe,CAAG,IADoD,CAEtEC,CAAoB,CAAGF,CAAkB,CAACG,IAAnB,CAAwB,oBAAxB,CAF+C,CAI1E,GAAIJ,CAAJ,CAAmB,CACfE,CAAe,CAAGF,CAAa,CAACI,IAAd,CAAmB,oBAAnB,CACrB,CAGD,GAAI,CAACJ,CAAD,EAAkBE,CAAe,EAAIC,CAAzC,CAA+D,CAC3D3B,CAAS,CAAC6B,MAAV,CAAiB,cAAjB,CAAiC,EAAjC,EACKC,IADL,CACU,SAASC,CAAT,CAAeC,CAAf,CAAmB,CAErBP,CAAkB,CAACQ,IAAnB,CAAwBrB,CAAS,CAACI,WAAlC,EAA+CkB,QAA/C,CAAwD,QAAxD,EACAlC,CAAS,CAACmC,kBAAV,CAA6BV,CAA7B,CAAiDM,CAAjD,CAAuDC,CAAvD,EAEA,GAAIR,CAAJ,CAAmB,CACfA,CAAa,CAACS,IAAd,CAAmBrB,CAAS,CAACI,WAA7B,EAA0CkB,QAA1C,CAAmD,QAAnD,EACAlC,CAAS,CAACmC,kBAAV,CAA6BX,CAA7B,CAA4CO,CAA5C,CAAkDC,CAAlD,CACH,CAEJ,CAXL,EAYKF,IAZL,CAYU,UAAW,CAEb,MAAOvB,CAAAA,CAAkB,CAAC6B,mBAAnB,CAAuCb,CAAvC,CAAgDI,CAAhD,CACV,CAfL,EAgBKG,IAhBL,CAgBU,UAAW,CAGbjC,CAAC,CAAC,MAAD,CAAD,CAAUwC,OAAV,CAAkB7B,CAAc,CAAC8B,UAAjC,CAA6C,CAACf,CAAD,CAAUC,CAAV,CAAyBC,CAAzB,CAA7C,CAEH,CArBL,EAsBKc,MAtBL,CAsBY,UAAW,CAGf,GAAIC,CAAAA,CAAyB,CAAGf,CAAkB,CAACQ,IAAnB,CAAwBrB,CAAS,CAACK,YAAlC,CAAhC,CACAQ,CAAkB,CAACQ,IAAnB,CAAwBrB,CAAS,CAACI,WAAlC,EAA+CyB,WAA/C,CAA2D,QAA3D,EACAzC,CAAS,CAAC0C,WAAV,CAAsBF,CAAtB,CAAiD,EAAjD,CAAqD,EAArD,EAEA,GAAIhB,CAAJ,CAAmB,CACf,GAAImB,CAAAA,CAAoB,CAAGnB,CAAa,CAACS,IAAd,CAAmBrB,CAAS,CAACK,YAA7B,CAA3B,CACAO,CAAa,CAACS,IAAd,CAAmBrB,CAAS,CAACI,WAA7B,EAA0CyB,WAA1C,CAAsD,QAAtD,EACAzC,CAAS,CAAC0C,WAAV,CAAsBC,CAAtB,CAA4C,EAA5C,CAAgD,EAAhD,CACH,CAEJ,CAnCL,EAoCKC,IApCL,CAoCU3C,CAAY,CAAC4C,SApCvB,CAqCH,CACJ,CAzEK,CAkFFC,CAA8B,CAAG,SAASC,CAAT,CAAeC,CAAf,CAAsC,CACvE,GAAIC,CAAAA,CAAI,CAAGpD,CAAC,CAAC,MAAD,CAAZ,CAEAoD,CAAI,CAACC,EAAL,CAAQ1C,CAAc,CAAC2C,OAAvB,CAAgC,UAAW,CACvC1C,CAAmB,CAAC2C,kBAApB,CAAuCL,CAAvC,CACH,CAFD,EAGAE,CAAI,CAACC,EAAL,CAAQ1C,CAAc,CAAC6C,OAAvB,CAAgC,UAAW,CACvC5C,CAAmB,CAAC2C,kBAApB,CAAuCL,CAAvC,CACH,CAFD,EAGAE,CAAI,CAACC,EAAL,CAAQ1C,CAAc,CAAC8C,OAAvB,CAAgC,UAAW,CACvC7C,CAAmB,CAAC2C,kBAApB,CAAuCL,CAAvC,CACH,CAFD,EAGAE,CAAI,CAACC,EAAL,CAAQ1C,CAAc,CAAC+C,eAAvB,CAAwC,SAASjC,CAAT,CAAYkC,CAAZ,CAAiB,CAErDC,MAAM,CAACC,QAAP,CAAgBC,MAAhB,CAAuBH,CAAvB,CACH,CAHD,EAKAP,CAAI,CAACC,EAAL,CAAQ1C,CAAc,CAACoD,SAAvB,CAAkCvC,CAAlC,EAEA4B,CAAI,CAACC,EAAL,CAAQ1C,CAAc,CAAC8B,UAAvB,CAAmC,UAAW,CAC1C7B,CAAmB,CAAC2C,kBAApB,CAAuCL,CAAvC,CACH,CAFD,EAIArC,CAAY,CAACmD,qBAAb,CAAmCd,CAAnC,CAAyCC,CAAzC,CACH,CA1GK,CAiHFc,CAAsB,CAAG,SAASf,CAAT,CAAe,CAExCA,CAAI,CAACG,EAAL,CAAQ,OAAR,CAAiBtC,CAAS,CAACM,aAA3B,CAA0C,SAASI,CAAT,CAAY,IAC9CyC,CAAAA,CAAO,CAAGlE,CAAC,CAACyB,CAAC,CAAC0C,MAAH,CADmC,CAE9CC,CAAI,CAAGF,CAAO,CAACG,IAAR,CAAa,MAAb,CAFuC,CAG9CC,CAAK,CAAGJ,CAAO,CAACG,IAAR,CAAa,OAAb,CAHsC,CAI9CE,CAAG,CAAGL,CAAO,CAACG,IAAR,CAAa,KAAb,CAJwC,CAK9CG,CAAQ,CAAGN,CAAO,CAACG,IAAR,CAAa,UAAb,CALmC,CAM9CI,CAAU,CAAGP,CAAO,CAACG,IAAR,CAAa,YAAb,CANiC,CAOlDzD,CAAmB,CAAC8D,iBAApB,CAAsCxB,CAAtC,CAA4CkB,CAA5C,CAAkDE,CAAlD,CAAyDC,CAAzD,CAA8DC,CAA9D,CAAwEC,CAAxE,CAAoFvB,CAApF,CACQ,4BADR,EACsCjB,IADtC,CAC2C,UAAW,CAClDR,CAAC,CAACkD,cAAF,GACA,GAAIhB,CAAAA,CAAG,CAAG,kBAAoBO,CAAO,CAACG,IAAR,CAAa,WAAb,CAA9B,CACA,MAAOT,CAAAA,MAAM,CAACgB,OAAP,CAAeC,SAAf,CAAyB,EAAzB,CAA6B,EAA7B,CAAiClB,CAAjC,CACV,CALD,EAKGZ,IALH,CAKQ3C,CAAY,CAAC4C,SALrB,CAMH,C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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is the highest level module for the calendar. It is\n * responsible for initialising all of the components required for\n * the calendar to run. It also coordinates the interaction between\n * components by listening for and responding to different events\n * triggered within the calendar UI.\n *\n * @module     core_calendar/calendar\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core/ajax',\n            'core/str',\n            'core/templates',\n            'core/notification',\n            'core/custom_interaction_events',\n            'core/modal_events',\n            'core/modal_factory',\n            'core_calendar/modal_event_form',\n            'core_calendar/summary_modal',\n            'core_calendar/repository',\n            'core_calendar/events',\n            'core_calendar/view_manager',\n            'core_calendar/crud',\n            'core_calendar/selectors',\n        ],\n        function(\n            $,\n            Ajax,\n            Str,\n            Templates,\n            Notification,\n            CustomEvents,\n            ModalEvents,\n            ModalFactory,\n            ModalEventForm,\n            SummaryModal,\n            CalendarRepository,\n            CalendarEvents,\n            CalendarViewManager,\n            CalendarCrud,\n            CalendarSelectors\n        ) {\n\n    var SELECTORS = {\n        ROOT: \"[data-region='calendar']\",\n        DAY: \"[data-region='day']\",\n        NEW_EVENT_BUTTON: \"[data-action='new-event-button']\",\n        DAY_CONTENT: \"[data-region='day-content']\",\n        LOADING_ICON: '.loading-icon',\n        VIEW_DAY_LINK: \"[data-action='view-day-link']\",\n        CALENDAR_MONTH_WRAPPER: \".calendarwrapper\",\n        TODAY: '.today',\n    };\n\n    /**\n     * Handler for the drag and drop move event. Provides a loading indicator\n     * while the request is sent to the server to update the event start date.\n     *\n     * Triggers a eventMoved calendar javascript event if the event was successfully\n     * updated.\n     *\n     * @param {event} e The calendar move event\n     * @param {int} eventId The event id being moved\n     * @param {object|null} originElement The jQuery element for where the event is moving from\n     * @param {object} destinationElement The jQuery element for where the event is moving to\n     */\n    var handleMoveEvent = function(e, eventId, originElement, destinationElement) {\n        var originTimestamp = null;\n        var destinationTimestamp = destinationElement.attr('data-day-timestamp');\n\n        if (originElement) {\n            originTimestamp = originElement.attr('data-day-timestamp');\n        }\n\n        // If the event has actually changed day.\n        if (!originElement || originTimestamp != destinationTimestamp) {\n            Templates.render('core/loading', {})\n                .then(function(html, js) {\n                    // First we show some loading icons in each of the days being affected.\n                    destinationElement.find(SELECTORS.DAY_CONTENT).addClass('hidden');\n                    Templates.appendNodeContents(destinationElement, html, js);\n\n                    if (originElement) {\n                        originElement.find(SELECTORS.DAY_CONTENT).addClass('hidden');\n                        Templates.appendNodeContents(originElement, html, js);\n                    }\n                    return;\n                })\n                .then(function() {\n                    // Send a request to the server to make the change.\n                    return CalendarRepository.updateEventStartDay(eventId, destinationTimestamp);\n                })\n                .then(function() {\n                    // If the update was successful then broadcast an event letting the calendar\n                    // know that an event has been moved.\n                    $('body').trigger(CalendarEvents.eventMoved, [eventId, originElement, destinationElement]);\n                    return;\n                })\n                .always(function() {\n                    // Always remove the loading icons regardless of whether the update\n                    // request was successful or not.\n                    var destinationLoadingElement = destinationElement.find(SELECTORS.LOADING_ICON);\n                    destinationElement.find(SELECTORS.DAY_CONTENT).removeClass('hidden');\n                    Templates.replaceNode(destinationLoadingElement, '', '');\n\n                    if (originElement) {\n                        var originLoadingElement = originElement.find(SELECTORS.LOADING_ICON);\n                        originElement.find(SELECTORS.DAY_CONTENT).removeClass('hidden');\n                        Templates.replaceNode(originLoadingElement, '', '');\n                    }\n                    return;\n                })\n                .fail(Notification.exception);\n        }\n    };\n\n    /**\n     * Listen to and handle any calendar events fired by the calendar UI.\n     *\n     * @method registerCalendarEventListeners\n     * @param {object} root The calendar root element\n     * @param {object} eventFormModalPromise A promise reolved with the event form modal\n     */\n    var registerCalendarEventListeners = function(root, eventFormModalPromise) {\n        var body = $('body');\n\n        body.on(CalendarEvents.created, function() {\n            CalendarViewManager.reloadCurrentMonth(root);\n        });\n        body.on(CalendarEvents.deleted, function() {\n            CalendarViewManager.reloadCurrentMonth(root);\n        });\n        body.on(CalendarEvents.updated, function() {\n            CalendarViewManager.reloadCurrentMonth(root);\n        });\n        body.on(CalendarEvents.editActionEvent, function(e, url) {\n            // Action events needs to be edit directly on the course module.\n            window.location.assign(url);\n        });\n        // Handle the event fired by the drag and drop code.\n        body.on(CalendarEvents.moveEvent, handleMoveEvent);\n        // When an event is successfully moved we should updated the UI.\n        body.on(CalendarEvents.eventMoved, function() {\n            CalendarViewManager.reloadCurrentMonth(root);\n        });\n\n        CalendarCrud.registerEditListeners(root, eventFormModalPromise);\n    };\n\n    /**\n     * Register event listeners for the module.\n     *\n     * @param {object} root The calendar root element\n     */\n    var registerEventListeners = function(root) {\n        // Listen the click on the day link to render the day view.\n        root.on('click', SELECTORS.VIEW_DAY_LINK, function(e) {\n            var dayLink = $(e.target);\n            var year = dayLink.data('year'),\n                month = dayLink.data('month'),\n                day = dayLink.data('day'),\n                courseId = dayLink.data('courseid'),\n                categoryId = dayLink.data('categoryid');\n            CalendarViewManager.refreshDayContent(root, year, month, day, courseId, categoryId, root,\n                    'core_calendar/calendar_day').then(function() {\n                e.preventDefault();\n                var url = '?view=day&time=' + dayLink.data('timestamp');\n                return window.history.pushState({}, '', url);\n            }).fail(Notification.exception);\n        });\n\n        root.on('change', CalendarSelectors.elements.courseSelector, function() {\n            var selectElement = $(this);\n            var courseId = selectElement.val();\n            CalendarViewManager.reloadCurrentMonth(root, courseId, null)\n                .then(function() {\n                    // We need to get the selector again because the content has changed.\n                    return root.find(CalendarSelectors.elements.courseSelector).val(courseId);\n                })\n                .fail(Notification.exception);\n        });\n\n        var eventFormPromise = CalendarCrud.registerEventFormModal(root),\n            contextId = $(SELECTORS.CALENDAR_MONTH_WRAPPER).data('context-id');\n        registerCalendarEventListeners(root, eventFormPromise);\n\n        if (contextId) {\n            // Bind click events to calendar days.\n            root.on('click', SELECTORS.DAY, function (e) {\n\n                var target = $(e.target);\n\n                if (!target.is(SELECTORS.VIEW_DAY_LINK)) {\n                    var startTime = $(this).attr('data-new-event-timestamp');\n                    eventFormPromise.then(function (modal) {\n                        var wrapper = target.closest(CalendarSelectors.wrapper);\n                        modal.setCourseId(wrapper.data('courseid'));\n\n                        var categoryId = wrapper.data('categoryid');\n                        if (typeof categoryId !== 'undefined') {\n                            modal.setCategoryId(categoryId);\n                        }\n\n                        modal.setContextId(wrapper.data('contextId'));\n                        modal.setStartTime(startTime);\n                        modal.show();\n                        return;\n                    })\n                    .fail(Notification.exception);\n\n                    e.preventDefault();\n                }\n            });\n        }\n    };\n\n    return {\n        init: function(root) {\n            root = $(root);\n            CalendarViewManager.init(root);\n            registerEventListeners(root);\n        }\n    };\n});\n"],"file":"calendar.min.js"}
\ No newline at end of file
+{"version":3,"file":"calendar.min.js","sources":["../src/calendar.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is the highest level module for the calendar. It is\n * responsible for initialising all of the components required for\n * the calendar to run. It also coordinates the interaction between\n * components by listening for and responding to different events\n * triggered within the calendar UI.\n *\n * @module     core_calendar/calendar\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core/ajax',\n            'core/str',\n            'core/templates',\n            'core/notification',\n            'core/custom_interaction_events',\n            'core/modal_events',\n            'core/modal_factory',\n            'core_calendar/modal_event_form',\n            'core_calendar/summary_modal',\n            'core_calendar/repository',\n            'core_calendar/events',\n            'core_calendar/view_manager',\n            'core_calendar/crud',\n            'core_calendar/selectors',\n        ],\n        function(\n            $,\n            Ajax,\n            Str,\n            Templates,\n            Notification,\n            CustomEvents,\n            ModalEvents,\n            ModalFactory,\n            ModalEventForm,\n            SummaryModal,\n            CalendarRepository,\n            CalendarEvents,\n            CalendarViewManager,\n            CalendarCrud,\n            CalendarSelectors\n        ) {\n\n    var SELECTORS = {\n        ROOT: \"[data-region='calendar']\",\n        DAY: \"[data-region='day']\",\n        NEW_EVENT_BUTTON: \"[data-action='new-event-button']\",\n        DAY_CONTENT: \"[data-region='day-content']\",\n        LOADING_ICON: '.loading-icon',\n        VIEW_DAY_LINK: \"[data-action='view-day-link']\",\n        CALENDAR_MONTH_WRAPPER: \".calendarwrapper\",\n        TODAY: '.today',\n    };\n\n    /**\n     * Handler for the drag and drop move event. Provides a loading indicator\n     * while the request is sent to the server to update the event start date.\n     *\n     * Triggers a eventMoved calendar javascript event if the event was successfully\n     * updated.\n     *\n     * @param {event} e The calendar move event\n     * @param {int} eventId The event id being moved\n     * @param {object|null} originElement The jQuery element for where the event is moving from\n     * @param {object} destinationElement The jQuery element for where the event is moving to\n     */\n    var handleMoveEvent = function(e, eventId, originElement, destinationElement) {\n        var originTimestamp = null;\n        var destinationTimestamp = destinationElement.attr('data-day-timestamp');\n\n        if (originElement) {\n            originTimestamp = originElement.attr('data-day-timestamp');\n        }\n\n        // If the event has actually changed day.\n        if (!originElement || originTimestamp != destinationTimestamp) {\n            Templates.render('core/loading', {})\n                .then(function(html, js) {\n                    // First we show some loading icons in each of the days being affected.\n                    destinationElement.find(SELECTORS.DAY_CONTENT).addClass('hidden');\n                    Templates.appendNodeContents(destinationElement, html, js);\n\n                    if (originElement) {\n                        originElement.find(SELECTORS.DAY_CONTENT).addClass('hidden');\n                        Templates.appendNodeContents(originElement, html, js);\n                    }\n                    return;\n                })\n                .then(function() {\n                    // Send a request to the server to make the change.\n                    return CalendarRepository.updateEventStartDay(eventId, destinationTimestamp);\n                })\n                .then(function() {\n                    // If the update was successful then broadcast an event letting the calendar\n                    // know that an event has been moved.\n                    $('body').trigger(CalendarEvents.eventMoved, [eventId, originElement, destinationElement]);\n                    return;\n                })\n                .always(function() {\n                    // Always remove the loading icons regardless of whether the update\n                    // request was successful or not.\n                    var destinationLoadingElement = destinationElement.find(SELECTORS.LOADING_ICON);\n                    destinationElement.find(SELECTORS.DAY_CONTENT).removeClass('hidden');\n                    Templates.replaceNode(destinationLoadingElement, '', '');\n\n                    if (originElement) {\n                        var originLoadingElement = originElement.find(SELECTORS.LOADING_ICON);\n                        originElement.find(SELECTORS.DAY_CONTENT).removeClass('hidden');\n                        Templates.replaceNode(originLoadingElement, '', '');\n                    }\n                    return;\n                })\n                .fail(Notification.exception);\n        }\n    };\n\n    /**\n     * Listen to and handle any calendar events fired by the calendar UI.\n     *\n     * @method registerCalendarEventListeners\n     * @param {object} root The calendar root element\n     * @param {object} eventFormModalPromise A promise reolved with the event form modal\n     */\n    var registerCalendarEventListeners = function(root, eventFormModalPromise) {\n        var body = $('body');\n\n        body.on(CalendarEvents.created, function() {\n            CalendarViewManager.reloadCurrentMonth(root);\n        });\n        body.on(CalendarEvents.deleted, function() {\n            CalendarViewManager.reloadCurrentMonth(root);\n        });\n        body.on(CalendarEvents.updated, function() {\n            CalendarViewManager.reloadCurrentMonth(root);\n        });\n        body.on(CalendarEvents.editActionEvent, function(e, url) {\n            // Action events needs to be edit directly on the course module.\n            window.location.assign(url);\n        });\n        // Handle the event fired by the drag and drop code.\n        body.on(CalendarEvents.moveEvent, handleMoveEvent);\n        // When an event is successfully moved we should updated the UI.\n        body.on(CalendarEvents.eventMoved, function() {\n            CalendarViewManager.reloadCurrentMonth(root);\n        });\n\n        CalendarCrud.registerEditListeners(root, eventFormModalPromise);\n    };\n\n    /**\n     * Register event listeners for the module.\n     *\n     * @param {object} root The calendar root element\n     */\n    var registerEventListeners = function(root) {\n        // Listen the click on the day link to render the day view.\n        root.on('click', SELECTORS.VIEW_DAY_LINK, function(e) {\n            var dayLink = $(e.target);\n            var year = dayLink.data('year'),\n                month = dayLink.data('month'),\n                day = dayLink.data('day'),\n                courseId = dayLink.data('courseid'),\n                categoryId = dayLink.data('categoryid');\n            CalendarViewManager.refreshDayContent(root, year, month, day, courseId, categoryId, root,\n                    'core_calendar/calendar_day').then(function() {\n                e.preventDefault();\n                var url = '?view=day&time=' + dayLink.data('timestamp');\n                return window.history.pushState({}, '', url);\n            }).fail(Notification.exception);\n        });\n\n        root.on('change', CalendarSelectors.elements.courseSelector, function() {\n            var selectElement = $(this);\n            var courseId = selectElement.val();\n            CalendarViewManager.reloadCurrentMonth(root, courseId, null)\n                .then(function() {\n                    // We need to get the selector again because the content has changed.\n                    return root.find(CalendarSelectors.elements.courseSelector).val(courseId);\n                })\n                .fail(Notification.exception);\n        });\n\n        var eventFormPromise = CalendarCrud.registerEventFormModal(root),\n            contextId = $(SELECTORS.CALENDAR_MONTH_WRAPPER).data('context-id');\n        registerCalendarEventListeners(root, eventFormPromise);\n\n        if (contextId) {\n            // Bind click events to calendar days.\n            root.on('click', SELECTORS.DAY, function (e) {\n\n                var target = $(e.target);\n\n                if (!target.is(SELECTORS.VIEW_DAY_LINK)) {\n                    var startTime = $(this).attr('data-new-event-timestamp');\n                    eventFormPromise.then(function (modal) {\n                        var wrapper = target.closest(CalendarSelectors.wrapper);\n                        modal.setCourseId(wrapper.data('courseid'));\n\n                        var categoryId = wrapper.data('categoryid');\n                        if (typeof categoryId !== 'undefined') {\n                            modal.setCategoryId(categoryId);\n                        }\n\n                        modal.setContextId(wrapper.data('contextId'));\n                        modal.setStartTime(startTime);\n                        modal.show();\n                        return;\n                    })\n                    .fail(Notification.exception);\n\n                    e.preventDefault();\n                }\n            });\n        }\n    };\n\n    return {\n        init: function(root) {\n            root = $(root);\n            CalendarViewManager.init(root);\n            registerEventListeners(root);\n        }\n    };\n});\n"],"names":["define","$","Ajax","Str","Templates","Notification","CustomEvents","ModalEvents","ModalFactory","ModalEventForm","SummaryModal","CalendarRepository","CalendarEvents","CalendarViewManager","CalendarCrud","CalendarSelectors","SELECTORS","handleMoveEvent","e","eventId","originElement","destinationElement","originTimestamp","destinationTimestamp","attr","render","then","html","js","find","addClass","appendNodeContents","updateEventStartDay","trigger","eventMoved","always","destinationLoadingElement","removeClass","replaceNode","originLoadingElement","fail","exception","registerEventListeners","root","on","dayLink","target","year","data","month","day","courseId","categoryId","refreshDayContent","preventDefault","url","window","history","pushState","elements","courseSelector","this","val","reloadCurrentMonth","eventFormPromise","registerEventFormModal","contextId","eventFormModalPromise","body","created","deleted","updated","editActionEvent","location","assign","moveEvent","registerEditListeners","registerCalendarEventListeners","is","startTime","modal","wrapper","closest","setCourseId","setCategoryId","setContextId","setStartTime","show","init"],"mappings":";;;;;;;;;;;;AA2BAA,gCAAO,CACK,SACA,YACA,WACA,iBACA,oBACA,iCACA,oBACA,qBACA,iCACA,8BACA,2BACA,uBACA,6BACA,qBACA,4BAEJ,SACIC,EACAC,KACAC,IACAC,UACAC,aACAC,aACAC,YACAC,aACAC,eACAC,aACAC,mBACAC,eACAC,oBACAC,aACAC,uBAGJC,cAEK,sBAFLA,sBAIa,8BAJbA,uBAKc,gBALdA,wBAMe,gCANfA,iCAOwB,mBAgBxBC,gBAAkB,SAASC,EAAGC,QAASC,cAAeC,wBAClDC,gBAAkB,KAClBC,qBAAuBF,mBAAmBG,KAAK,sBAE/CJ,gBACAE,gBAAkBF,cAAcI,KAAK,uBAIpCJ,eAAiBE,iBAAmBC,sBACrCnB,UAAUqB,OAAO,eAAgB,IAC5BC,MAAK,SAASC,KAAMC,IAEjBP,mBAAmBQ,KAAKb,uBAAuBc,SAAS,UACxD1B,UAAU2B,mBAAmBV,mBAAoBM,KAAMC,IAEnDR,gBACAA,cAAcS,KAAKb,uBAAuBc,SAAS,UACnD1B,UAAU2B,mBAAmBX,cAAeO,KAAMC,QAIzDF,MAAK,kBAEKf,mBAAmBqB,oBAAoBb,QAASI,yBAE1DG,MAAK,WAGFzB,EAAE,QAAQgC,QAAQrB,eAAesB,WAAY,CAACf,QAASC,cAAeC,wBAGzEc,QAAO,eAGAC,0BAA4Bf,mBAAmBQ,KAAKb,2BACxDK,mBAAmBQ,KAAKb,uBAAuBqB,YAAY,UAC3DjC,UAAUkC,YAAYF,0BAA2B,GAAI,IAEjDhB,cAAe,KACXmB,qBAAuBnB,cAAcS,KAAKb,wBAC9CI,cAAcS,KAAKb,uBAAuBqB,YAAY,UACtDjC,UAAUkC,YAAYC,qBAAsB,GAAI,QAIvDC,KAAKnC,aAAaoC,YA0C3BC,uBAAyB,SAASC,MAElCA,KAAKC,GAAG,QAAS5B,yBAAyB,SAASE,OAC3C2B,QAAU5C,EAAEiB,EAAE4B,QACdC,KAAOF,QAAQG,KAAK,QACpBC,MAAQJ,QAAQG,KAAK,SACrBE,IAAML,QAAQG,KAAK,OACnBG,SAAWN,QAAQG,KAAK,YACxBI,WAAaP,QAAQG,KAAK,cAC9BnC,oBAAoBwC,kBAAkBV,KAAMI,KAAME,MAAOC,IAAKC,SAAUC,WAAYT,KAC5E,8BAA8BjB,MAAK,WACvCR,EAAEoC,qBACEC,IAAM,kBAAoBV,QAAQG,KAAK,oBACpCQ,OAAOC,QAAQC,UAAU,GAAI,GAAIH,QACzCf,KAAKnC,aAAaoC,cAGzBE,KAAKC,GAAG,SAAU7B,kBAAkB4C,SAASC,gBAAgB,eAErDT,SADgBlD,EAAE4D,MACOC,MAC7BjD,oBAAoBkD,mBAAmBpB,KAAMQ,SAAU,MAClDzB,MAAK,kBAEKiB,KAAKd,KAAKd,kBAAkB4C,SAASC,gBAAgBE,IAAIX,aAEnEX,KAAKnC,aAAaoC,kBAGvBuB,iBAAmBlD,aAAamD,uBAAuBtB,MACvDuB,UAAYjE,EAAEe,kCAAkCgC,KAAK,eA5DxB,SAASL,KAAMwB,2BAC5CC,KAAOnE,EAAE,QAEbmE,KAAKxB,GAAGhC,eAAeyD,SAAS,WAC5BxD,oBAAoBkD,mBAAmBpB,SAE3CyB,KAAKxB,GAAGhC,eAAe0D,SAAS,WAC5BzD,oBAAoBkD,mBAAmBpB,SAE3CyB,KAAKxB,GAAGhC,eAAe2D,SAAS,WAC5B1D,oBAAoBkD,mBAAmBpB,SAE3CyB,KAAKxB,GAAGhC,eAAe4D,iBAAiB,SAAStD,EAAGqC,KAEhDC,OAAOiB,SAASC,OAAOnB,QAG3Ba,KAAKxB,GAAGhC,eAAe+D,UAAW1D,iBAElCmD,KAAKxB,GAAGhC,eAAesB,YAAY,WAC/BrB,oBAAoBkD,mBAAmBpB,SAG3C7B,aAAa8D,sBAAsBjC,KAAMwB,uBAsCzCU,CAA+BlC,KAAMqB,kBAEjCE,WAEAvB,KAAKC,GAAG,QAAS5B,eAAe,SAAUE,OAElC4B,OAAS7C,EAAEiB,EAAE4B,YAEZA,OAAOgC,GAAG9D,yBAA0B,KACjC+D,UAAY9E,EAAE4D,MAAMrC,KAAK,4BAC7BwC,iBAAiBtC,MAAK,SAAUsD,WACxBC,QAAUnC,OAAOoC,QAAQnE,kBAAkBkE,SAC/CD,MAAMG,YAAYF,QAAQjC,KAAK,iBAE3BI,WAAa6B,QAAQjC,KAAK,mBACJ,IAAfI,YACP4B,MAAMI,cAAchC,YAGxB4B,MAAMK,aAAaJ,QAAQjC,KAAK,cAChCgC,MAAMM,aAAaP,WACnBC,MAAMO,UAGT/C,KAAKnC,aAAaoC,WAEnBvB,EAAEoC,4BAMX,CACHkC,KAAM,SAAS7C,MACXA,KAAO1C,EAAE0C,MACT9B,oBAAoB2E,KAAK7C,MACzBD,uBAAuBC"}
\ No newline at end of file
diff --git a/calendar/amd/build/calendar_filter.min.js b/calendar/amd/build/calendar_filter.min.js
index 9f72034c7d4..956ed19bba4 100644
--- a/calendar/amd/build/calendar_filter.min.js
+++ b/calendar/amd/build/calendar_filter.min.js
@@ -1,2 +1,11 @@
-define ("core_calendar/calendar_filter",["jquery","core_calendar/selectors","core_calendar/events","core/str","core/templates"],function(a,b,c,d,e){var f=function(d){d.on("click",b.eventFilterItem,function(b){var c=a(b.currentTarget);g(c);b.preventDefault()});a("body").on(c.viewUpdated,function(){var c=d.find(b.eventFilterItem);c.each(function(b,c){c=a(c);if(c.data("eventtype-hidden")){var d=i(c);h(d)}})})},g=function(a){var b=i(a);b.hidden=!b.hidden;M.util.js_pending("core_calendar/calendar_filter:toggleFilter");return d.get_string("eventtype"+b.eventtype,"calendar").then(function(a){b.name=a;b.icon=!0;b.key="i/"+b.eventtype+"event";b.component="core";return b}).then(function(a){return e.render("core_calendar/event_filter_key",a)}).then(function(b,c){return e.replaceNode(a,b,c)}).then(function(){h(b);M.util.js_complete("core_calendar/calendar_filter:toggleFilter")})},h=function(b){M.util.js_pending("month-mini-filterChanged");a("body").trigger(c.filterChanged,{type:b.eventtype,hidden:b.hidden});M.util.js_complete("month-mini-filterChanged")},i=function(a){return{eventtype:a.data("eventtype"),hidden:a.data("eventtype-hidden")}};return{init:function init(b){b=a(b);f(b)}}});
-//# sourceMappingURL=calendar_filter.min.js.map
+/**
+ * This module is responsible for the calendar filter.
+ *
+ * @module     core_calendar/calendar_filter
+ * @package    core_calendar
+ * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/calendar_filter",["jquery","core_calendar/selectors","core_calendar/events","core/str","core/templates"],(function($,CalendarSelectors,CalendarEvents,Str,Templates){var toggleFilter=function(target){var data=getFilterData(target);return data.hidden=!data.hidden,M.util.js_pending("core_calendar/calendar_filter:toggleFilter"),Str.get_string("eventtype"+data.eventtype,"calendar").then((function(nameStr){return data.name=nameStr,data.icon=!0,data.key="i/"+data.eventtype+"event",data.component="core",data})).then((function(context){return Templates.render("core_calendar/event_filter_key",context)})).then((function(html,js){return Templates.replaceNode(target,html,js)})).then((function(){fireFilterChangedEvent(data),M.util.js_complete("core_calendar/calendar_filter:toggleFilter")}))},fireFilterChangedEvent=function(data){M.util.js_pending("month-mini-filterChanged"),$("body").trigger(CalendarEvents.filterChanged,{type:data.eventtype,hidden:data.hidden}),M.util.js_complete("month-mini-filterChanged")},getFilterData=function(target){return{eventtype:target.data("eventtype"),hidden:target.data("eventtype-hidden")}};return{init:function(root){!function(root){root.on("click",CalendarSelectors.eventFilterItem,(function(e){var target=$(e.currentTarget);toggleFilter(target),e.preventDefault()})),$("body").on(CalendarEvents.viewUpdated,(function(){root.find(CalendarSelectors.eventFilterItem).each((function(i,filter){if((filter=$(filter)).data("eventtype-hidden")){var data=getFilterData(filter);fireFilterChangedEvent(data)}}))}))}(root=$(root))}}}));
+
+//# sourceMappingURL=calendar_filter.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/calendar_filter.min.js.map b/calendar/amd/build/calendar_filter.min.js.map
index 5fd11036430..b8b5c72239d 100644
--- a/calendar/amd/build/calendar_filter.min.js.map
+++ b/calendar/amd/build/calendar_filter.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is responsible for the calendar filter.\n *\n * @module     core_calendar/calendar_filter\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core_calendar/selectors',\n    'core_calendar/events',\n    'core/str',\n    'core/templates',\n],\nfunction(\n    $,\n    CalendarSelectors,\n    CalendarEvents,\n    Str,\n    Templates\n) {\n\n    var registerEventListeners = function(root) {\n        root.on('click', CalendarSelectors.eventFilterItem, function(e) {\n            var target = $(e.currentTarget);\n\n            toggleFilter(target);\n\n            e.preventDefault();\n        });\n\n        $('body').on(CalendarEvents.viewUpdated, function() {\n            var filters = root.find(CalendarSelectors.eventFilterItem);\n\n            filters.each(function(i, filter) {\n                filter = $(filter);\n                if (filter.data('eventtype-hidden')) {\n                    var data = getFilterData(filter);\n                    fireFilterChangedEvent(data);\n                }\n            });\n        });\n    };\n\n    var toggleFilter = function(target) {\n        var data = getFilterData(target);\n\n        // Toggle the hidden. We need to render the template before we change the value.\n        data.hidden = !data.hidden;\n\n        M.util.js_pending(\"core_calendar/calendar_filter:toggleFilter\");\n        return Str.get_string('eventtype' + data.eventtype, 'calendar')\n        .then(function(nameStr) {\n            data.name = nameStr;\n            data.icon = true;\n            data.key = 'i/' + data.eventtype + 'event';\n            data.component = 'core';\n\n            return data;\n        })\n        .then(function(context) {\n            return Templates.render('core_calendar/event_filter_key', context);\n        })\n        .then(function(html, js) {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(function() {\n            fireFilterChangedEvent(data);\n            M.util.js_complete(\"core_calendar/calendar_filter:toggleFilter\");\n            return;\n        });\n    };\n\n    /**\n     * Fire the filterChanged event for the specified data.\n     *\n     * @param   {object} data The data to include\n     */\n    var fireFilterChangedEvent = function(data) {\n        M.util.js_pending(\"month-mini-filterChanged\");\n        $('body').trigger(CalendarEvents.filterChanged, {\n            type: data.eventtype,\n            hidden: data.hidden,\n        });\n        M.util.js_complete(\"month-mini-filterChanged\");\n    };\n\n    /**\n     * Get the filter data for the specified target.\n     *\n     * @param   {jQuery} target The target node\n     * @return  {Object}\n     */\n    var getFilterData = function(target) {\n        return {\n            eventtype: target.data('eventtype'),\n            hidden: target.data('eventtype-hidden'),\n        };\n    };\n\n    return {\n        init: function(root) {\n            root = $(root);\n\n            registerEventListeners(root);\n        }\n    };\n});\n"],"file":"calendar_filter.min.js"}
\ No newline at end of file
+{"version":3,"file":"calendar_filter.min.js","sources":["../src/calendar_filter.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is responsible for the calendar filter.\n *\n * @module     core_calendar/calendar_filter\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core_calendar/selectors',\n    'core_calendar/events',\n    'core/str',\n    'core/templates',\n],\nfunction(\n    $,\n    CalendarSelectors,\n    CalendarEvents,\n    Str,\n    Templates\n) {\n\n    var registerEventListeners = function(root) {\n        root.on('click', CalendarSelectors.eventFilterItem, function(e) {\n            var target = $(e.currentTarget);\n\n            toggleFilter(target);\n\n            e.preventDefault();\n        });\n\n        $('body').on(CalendarEvents.viewUpdated, function() {\n            var filters = root.find(CalendarSelectors.eventFilterItem);\n\n            filters.each(function(i, filter) {\n                filter = $(filter);\n                if (filter.data('eventtype-hidden')) {\n                    var data = getFilterData(filter);\n                    fireFilterChangedEvent(data);\n                }\n            });\n        });\n    };\n\n    var toggleFilter = function(target) {\n        var data = getFilterData(target);\n\n        // Toggle the hidden. We need to render the template before we change the value.\n        data.hidden = !data.hidden;\n\n        M.util.js_pending(\"core_calendar/calendar_filter:toggleFilter\");\n        return Str.get_string('eventtype' + data.eventtype, 'calendar')\n        .then(function(nameStr) {\n            data.name = nameStr;\n            data.icon = true;\n            data.key = 'i/' + data.eventtype + 'event';\n            data.component = 'core';\n\n            return data;\n        })\n        .then(function(context) {\n            return Templates.render('core_calendar/event_filter_key', context);\n        })\n        .then(function(html, js) {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(function() {\n            fireFilterChangedEvent(data);\n            M.util.js_complete(\"core_calendar/calendar_filter:toggleFilter\");\n            return;\n        });\n    };\n\n    /**\n     * Fire the filterChanged event for the specified data.\n     *\n     * @param   {object} data The data to include\n     */\n    var fireFilterChangedEvent = function(data) {\n        M.util.js_pending(\"month-mini-filterChanged\");\n        $('body').trigger(CalendarEvents.filterChanged, {\n            type: data.eventtype,\n            hidden: data.hidden,\n        });\n        M.util.js_complete(\"month-mini-filterChanged\");\n    };\n\n    /**\n     * Get the filter data for the specified target.\n     *\n     * @param   {jQuery} target The target node\n     * @return  {Object}\n     */\n    var getFilterData = function(target) {\n        return {\n            eventtype: target.data('eventtype'),\n            hidden: target.data('eventtype-hidden'),\n        };\n    };\n\n    return {\n        init: function(root) {\n            root = $(root);\n\n            registerEventListeners(root);\n        }\n    };\n});\n"],"names":["define","$","CalendarSelectors","CalendarEvents","Str","Templates","toggleFilter","target","data","getFilterData","hidden","M","util","js_pending","get_string","eventtype","then","nameStr","name","icon","key","component","context","render","html","js","replaceNode","fireFilterChangedEvent","js_complete","trigger","filterChanged","type","init","root","on","eventFilterItem","e","currentTarget","preventDefault","viewUpdated","find","each","i","filter","registerEventListeners"],"mappings":";;;;;;;;AAuBAA,uCAAO,CACH,SACA,0BACA,uBACA,WACA,mBAEJ,SACIC,EACAC,kBACAC,eACAC,IACAC,eAyBIC,aAAe,SAASC,YACpBC,KAAOC,cAAcF,eAGzBC,KAAKE,QAAUF,KAAKE,OAEpBC,EAAEC,KAAKC,WAAW,8CACXT,IAAIU,WAAW,YAAcN,KAAKO,UAAW,YACnDC,MAAK,SAASC,gBACXT,KAAKU,KAAOD,QACZT,KAAKW,MAAO,EACZX,KAAKY,IAAM,KAAOZ,KAAKO,UAAY,QACnCP,KAAKa,UAAY,OAEVb,QAEVQ,MAAK,SAASM,gBACJjB,UAAUkB,OAAO,iCAAkCD,YAE7DN,MAAK,SAASQ,KAAMC,WACVpB,UAAUqB,YAAYnB,OAAQiB,KAAMC,OAE9CT,MAAK,WACFW,uBAAuBnB,MACvBG,EAAEC,KAAKgB,YAAY,kDAUvBD,uBAAyB,SAASnB,MAClCG,EAAEC,KAAKC,WAAW,4BAClBZ,EAAE,QAAQ4B,QAAQ1B,eAAe2B,cAAe,CAC5CC,KAAMvB,KAAKO,UACXL,OAAQF,KAAKE,SAEjBC,EAAEC,KAAKgB,YAAY,6BASnBnB,cAAgB,SAASF,cAClB,CACHQ,UAAWR,OAAOC,KAAK,aACvBE,OAAQH,OAAOC,KAAK,4BAIrB,CACHwB,KAAM,SAASC,OA/EU,SAASA,MAClCA,KAAKC,GAAG,QAAShC,kBAAkBiC,iBAAiB,SAASC,OACrD7B,OAASN,EAAEmC,EAAEC,eAEjB/B,aAAaC,QAEb6B,EAAEE,oBAGNrC,EAAE,QAAQiC,GAAG/B,eAAeoC,aAAa,WACvBN,KAAKO,KAAKtC,kBAAkBiC,iBAElCM,MAAK,SAASC,EAAGC,YACrBA,OAAS1C,EAAE0C,SACAnC,KAAK,oBAAqB,KAC7BA,KAAOC,cAAckC,QACzBhB,uBAAuBnB,aAkE/BoC,CAFAX,KAAOhC,EAAEgC"}
\ No newline at end of file
diff --git a/calendar/amd/build/calendar_mini.min.js b/calendar/amd/build/calendar_mini.min.js
index 7f9d3ec2f12..16c88a9e04b 100644
--- a/calendar/amd/build/calendar_mini.min.js
+++ b/calendar/amd/build/calendar_mini.min.js
@@ -1,2 +1,15 @@
-define ("core_calendar/calendar_mini",["jquery","core_calendar/selectors","core_calendar/events","core_calendar/view_manager"],function(a,b,c,d){var e=function(b){var d=a("body"),e="."+b.attr("id");d.on(c.created+e,b,f);d.on(c.deleted+e,b,f);d.on(c.updated+e,b,f);d.on(c.eventMoved+e,b,f)},f=function(b){var e=b.data,f=a("body"),g="."+e.attr("id");if(e.is(":visible")){d.reloadCurrentMonth(e)}else{f.off(c.created+g);f.off(c.deleted+g);f.off(c.updated+g);f.off(c.eventMoved+g)}},g=function(f){a("body").on(c.filterChanged,function(a,c){var d=f.find(b.eventType[c.type]);d.toggleClass("calendar_event_"+c.type,!c.hidden)});var g="."+f.attr("id");a("body").on("change"+g,b.elements.courseSelector,function(){if(f.is(":visible")){var b=a(this),c=b.val();d.reloadCurrentMonth(f,c,null)}else{a("body").off("change"+g)}})};return{init:function init(b,c){b=a(b);d.init(b);g(b);e(b);if(c){d.reloadCurrentMonth(b)}}}});
-//# sourceMappingURL=calendar_mini.min.js.map
+/**
+ * This module is the highest level module for the calendar. It is
+ * responsible for initialising all of the components required for
+ * the calendar to run. It also coordinates the interaction between
+ * components by listening for and responding to different events
+ * triggered within the calendar UI.
+ *
+ * @module     core_calendar/calendar_mini
+ * @package    core_calendar
+ * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/calendar_mini",["jquery","core_calendar/selectors","core_calendar/events","core_calendar/view_manager"],(function($,CalendarSelectors,CalendarEvents,CalendarViewManager){var reloadMonth=function(e){var root=e.data,body=$("body"),namespace="."+root.attr("id");root.is(":visible")?CalendarViewManager.reloadCurrentMonth(root):(body.off(CalendarEvents.created+namespace),body.off(CalendarEvents.deleted+namespace),body.off(CalendarEvents.updated+namespace),body.off(CalendarEvents.eventMoved+namespace))};return{init:function(root,loadOnInit){root=$(root),CalendarViewManager.init(root),function(root){$("body").on(CalendarEvents.filterChanged,(function(e,data){root.find(CalendarSelectors.eventType[data.type]).toggleClass("calendar_event_"+data.type,!data.hidden)}));var namespace="."+root.attr("id");$("body").on("change"+namespace,CalendarSelectors.elements.courseSelector,(function(){if(root.is(":visible")){var courseId=$(this).val();CalendarViewManager.reloadCurrentMonth(root,courseId,null)}else $("body").off("change"+namespace)}))}(root),function(root){var body=$("body"),namespace="."+root.attr("id");body.on(CalendarEvents.created+namespace,root,reloadMonth),body.on(CalendarEvents.deleted+namespace,root,reloadMonth),body.on(CalendarEvents.updated+namespace,root,reloadMonth),body.on(CalendarEvents.eventMoved+namespace,root,reloadMonth)}(root),loadOnInit&&CalendarViewManager.reloadCurrentMonth(root)}}}));
+
+//# sourceMappingURL=calendar_mini.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/calendar_mini.min.js.map b/calendar/amd/build/calendar_mini.min.js.map
index 8fd42939090..349c5e76081 100644
--- a/calendar/amd/build/calendar_mini.min.js.map
+++ b/calendar/amd/build/calendar_mini.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is the highest level module for the calendar. It is\n * responsible for initialising all of the components required for\n * the calendar to run. It also coordinates the interaction between\n * components by listening for and responding to different events\n * triggered within the calendar UI.\n *\n * @module     core_calendar/calendar_mini\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core_calendar/selectors',\n    'core_calendar/events',\n    'core_calendar/view_manager',\n],\nfunction(\n    $,\n    CalendarSelectors,\n    CalendarEvents,\n    CalendarViewManager\n) {\n\n    /**\n     * Listen to and handle any calendar events fired by the calendar UI.\n     *\n     * @method registerCalendarEventListeners\n     * @param {object} root The calendar root element\n     */\n    var registerCalendarEventListeners = function(root) {\n        var body = $('body');\n        var namespace = '.' + root.attr('id');\n\n        body.on(CalendarEvents.created + namespace, root, reloadMonth);\n        body.on(CalendarEvents.deleted + namespace, root, reloadMonth);\n        body.on(CalendarEvents.updated + namespace, root, reloadMonth);\n        body.on(CalendarEvents.eventMoved + namespace, root, reloadMonth);\n    };\n\n    /**\n     * Reload the month view in this month.\n     *\n     * @param {EventFacade} e\n     */\n    var reloadMonth = function(e) {\n        var root = e.data;\n        var body = $('body');\n        var namespace = '.' + root.attr('id');\n\n        if (root.is(':visible')) {\n            CalendarViewManager.reloadCurrentMonth(root);\n        } else {\n            // The root has been removed.\n            // Remove all events in the namespace.\n            body.off(CalendarEvents.created + namespace);\n            body.off(CalendarEvents.deleted + namespace);\n            body.off(CalendarEvents.updated + namespace);\n            body.off(CalendarEvents.eventMoved + namespace);\n        }\n    };\n\n    var registerEventListeners = function(root) {\n        $('body').on(CalendarEvents.filterChanged, function(e, data) {\n            var daysWithEvent = root.find(CalendarSelectors.eventType[data.type]);\n\n            daysWithEvent.toggleClass('calendar_event_' + data.type, !data.hidden);\n        });\n\n        var namespace = '.' + root.attr('id');\n        $('body').on('change' + namespace, CalendarSelectors.elements.courseSelector, function() {\n            if (root.is(':visible')) {\n                var selectElement = $(this);\n                var courseId = selectElement.val();\n                var categoryId = null;\n\n                CalendarViewManager.reloadCurrentMonth(root, courseId, categoryId);\n            } else {\n                $('body').off('change' + namespace);\n            }\n        });\n\n    };\n\n    return {\n        init: function(root, loadOnInit) {\n            root = $(root);\n\n            CalendarViewManager.init(root);\n            registerEventListeners(root);\n            registerCalendarEventListeners(root);\n\n            if (loadOnInit) {\n                // The calendar hasn't yet loaded it's events so we\n                // should load them as soon as we've initialised.\n                CalendarViewManager.reloadCurrentMonth(root);\n            }\n\n        }\n    };\n});\n"],"file":"calendar_mini.min.js"}
\ No newline at end of file
+{"version":3,"file":"calendar_mini.min.js","sources":["../src/calendar_mini.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is the highest level module for the calendar. It is\n * responsible for initialising all of the components required for\n * the calendar to run. It also coordinates the interaction between\n * components by listening for and responding to different events\n * triggered within the calendar UI.\n *\n * @module     core_calendar/calendar_mini\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core_calendar/selectors',\n    'core_calendar/events',\n    'core_calendar/view_manager',\n],\nfunction(\n    $,\n    CalendarSelectors,\n    CalendarEvents,\n    CalendarViewManager\n) {\n\n    /**\n     * Listen to and handle any calendar events fired by the calendar UI.\n     *\n     * @method registerCalendarEventListeners\n     * @param {object} root The calendar root element\n     */\n    var registerCalendarEventListeners = function(root) {\n        var body = $('body');\n        var namespace = '.' + root.attr('id');\n\n        body.on(CalendarEvents.created + namespace, root, reloadMonth);\n        body.on(CalendarEvents.deleted + namespace, root, reloadMonth);\n        body.on(CalendarEvents.updated + namespace, root, reloadMonth);\n        body.on(CalendarEvents.eventMoved + namespace, root, reloadMonth);\n    };\n\n    /**\n     * Reload the month view in this month.\n     *\n     * @param {EventFacade} e\n     */\n    var reloadMonth = function(e) {\n        var root = e.data;\n        var body = $('body');\n        var namespace = '.' + root.attr('id');\n\n        if (root.is(':visible')) {\n            CalendarViewManager.reloadCurrentMonth(root);\n        } else {\n            // The root has been removed.\n            // Remove all events in the namespace.\n            body.off(CalendarEvents.created + namespace);\n            body.off(CalendarEvents.deleted + namespace);\n            body.off(CalendarEvents.updated + namespace);\n            body.off(CalendarEvents.eventMoved + namespace);\n        }\n    };\n\n    var registerEventListeners = function(root) {\n        $('body').on(CalendarEvents.filterChanged, function(e, data) {\n            var daysWithEvent = root.find(CalendarSelectors.eventType[data.type]);\n\n            daysWithEvent.toggleClass('calendar_event_' + data.type, !data.hidden);\n        });\n\n        var namespace = '.' + root.attr('id');\n        $('body').on('change' + namespace, CalendarSelectors.elements.courseSelector, function() {\n            if (root.is(':visible')) {\n                var selectElement = $(this);\n                var courseId = selectElement.val();\n                var categoryId = null;\n\n                CalendarViewManager.reloadCurrentMonth(root, courseId, categoryId);\n            } else {\n                $('body').off('change' + namespace);\n            }\n        });\n\n    };\n\n    return {\n        init: function(root, loadOnInit) {\n            root = $(root);\n\n            CalendarViewManager.init(root);\n            registerEventListeners(root);\n            registerCalendarEventListeners(root);\n\n            if (loadOnInit) {\n                // The calendar hasn't yet loaded it's events so we\n                // should load them as soon as we've initialised.\n                CalendarViewManager.reloadCurrentMonth(root);\n            }\n\n        }\n    };\n});\n"],"names":["define","$","CalendarSelectors","CalendarEvents","CalendarViewManager","reloadMonth","e","root","data","body","namespace","attr","is","reloadCurrentMonth","off","created","deleted","updated","eventMoved","init","loadOnInit","on","filterChanged","find","eventType","type","toggleClass","hidden","elements","courseSelector","courseId","this","val","registerEventListeners","registerCalendarEventListeners"],"mappings":";;;;;;;;;;;;AA2BAA,qCAAO,CACH,SACA,0BACA,uBACA,+BAEJ,SACIC,EACAC,kBACAC,eACAC,yBAwBIC,YAAc,SAASC,OACnBC,KAAOD,EAAEE,KACTC,KAAOR,EAAE,QACTS,UAAY,IAAMH,KAAKI,KAAK,MAE5BJ,KAAKK,GAAG,YACRR,oBAAoBS,mBAAmBN,OAIvCE,KAAKK,IAAIX,eAAeY,QAAUL,WAClCD,KAAKK,IAAIX,eAAea,QAAUN,WAClCD,KAAKK,IAAIX,eAAec,QAAUP,WAClCD,KAAKK,IAAIX,eAAee,WAAaR,mBA0BtC,CACHS,KAAM,SAASZ,KAAMa,YACjBb,KAAON,EAAEM,MAETH,oBAAoBe,KAAKZ,MA1BJ,SAASA,MAClCN,EAAE,QAAQoB,GAAGlB,eAAemB,eAAe,SAAShB,EAAGE,MAC/BD,KAAKgB,KAAKrB,kBAAkBsB,UAAUhB,KAAKiB,OAEjDC,YAAY,kBAAoBlB,KAAKiB,MAAOjB,KAAKmB,eAG/DjB,UAAY,IAAMH,KAAKI,KAAK,MAChCV,EAAE,QAAQoB,GAAG,SAAWX,UAAWR,kBAAkB0B,SAASC,gBAAgB,cACtEtB,KAAKK,GAAG,YAAa,KAEjBkB,SADgB7B,EAAE8B,MACOC,MAG7B5B,oBAAoBS,mBAAmBN,KAAMuB,SAF5B,WAIjB7B,EAAE,QAAQa,IAAI,SAAWJ,cAW7BuB,CAAuB1B,MA3DM,SAASA,UACtCE,KAAOR,EAAE,QACTS,UAAY,IAAMH,KAAKI,KAAK,MAEhCF,KAAKY,GAAGlB,eAAeY,QAAUL,UAAWH,KAAMF,aAClDI,KAAKY,GAAGlB,eAAea,QAAUN,UAAWH,KAAMF,aAClDI,KAAKY,GAAGlB,eAAec,QAAUP,UAAWH,KAAMF,aAClDI,KAAKY,GAAGlB,eAAee,WAAaR,UAAWH,KAAMF,aAqDjD6B,CAA+B3B,MAE3Ba,YAGAhB,oBAAoBS,mBAAmBN"}
\ No newline at end of file
diff --git a/calendar/amd/build/calendar_threemonth.min.js b/calendar/amd/build/calendar_threemonth.min.js
index 7777a3be51f..ecf382e64a6 100644
--- a/calendar/amd/build/calendar_threemonth.min.js
+++ b/calendar/amd/build/calendar_threemonth.min.js
@@ -1,2 +1,12 @@
-define ("core_calendar/calendar_threemonth",["jquery","core/notification","core_calendar/selectors","core_calendar/events","core/templates","core_calendar/view_manager"],function(a,b,c,d,e,f){var g=function(g){var h=a("body");h.on([d.monthChanged,d.dayChanged].join(" "),function(a,c,d,e,f){g.queue(function(g){return i(a,c,d,e,f).then(function(){return g()}).fail(b.exception)})});var i=function(b,d,e,h,i){var j=g.find("[data-year=\""+d+"\"][data-month=\""+e+"\"]"),k=j.closest(c.calendarPeriods.month),l=g.find(c.calendarPeriods.month),m=a(l[0]),n=a(l[2]),o=a("<span>");o.attr("data-template","core_calendar/threemonth_month");o.attr("data-includenavigation",!1);o.attr("data-mini",!0);var p=a("<div>");p.hide();p.append(o);var q,r,s;if(k.is(m)){p.insertBefore(m);q=m.data("previousYear");r=m.data("previousMonth");s=n}else if(k.is(n)){p.insertAfter(n);q=n.data("nextYear");r=n.data("nextMonth");s=m}else{return a.Deferred().resolve()}return f.refreshMonthContent(o,q,r,h,i,o).then(function(){var b=a.Deferred(),c=a.Deferred();s.slideUp("fast",function(){a(this).remove();b.resolve()});p.slideDown("fast",function(){c.resolve()});return a.when(b,c)})};g.on("click",c.links.miniDayLink,function(b){var d=a(b.target),e=d.data("year"),g=d.data("month"),h=d.text(),i=d.data("courseid"),j=d.data("categoryid"),k=a("body").find(c.calendarMain);f.refreshDayContent(k,e,g,h,i,j,k,"core_calendar/calendar_day");b.preventDefault();window.history.pushState({},"","?view=day")})};return{init:function init(b){b=a(b);g(b)}}});
-//# sourceMappingURL=calendar_threemonth.min.js.map
+/**
+ * This module handles display of multiple mini calendars in a view, and
+ * movement through them.
+ *
+ * @module     core_calendar/calendar_threemonth
+ * @package    core_calendar
+ * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/calendar_threemonth",["jquery","core/notification","core_calendar/selectors","core_calendar/events","core/templates","core_calendar/view_manager"],(function($,Notification,CalendarSelectors,CalendarEvents,Templates,CalendarViewManager){return{init:function(root){!function(root){$("body").on([CalendarEvents.monthChanged,CalendarEvents.dayChanged].join(" "),(function(e,year,month,courseId,categoryId){root.queue((function(next){return processRequest(e,year,month,courseId,categoryId).then((function(){return next()})).fail(Notification.exception)}))}));var processRequest=function(e,year,month,courseId,categoryId){var newParent=root.find('[data-year="'+year+'"][data-month="'+month+'"]').closest(CalendarSelectors.calendarPeriods.month),allMonths=root.find(CalendarSelectors.calendarPeriods.month),previousMonth=$(allMonths[0]),nextMonth=$(allMonths[2]),placeHolder=$("<span>");placeHolder.attr("data-template","core_calendar/threemonth_month"),placeHolder.attr("data-includenavigation",!1),placeHolder.attr("data-mini",!0);var requestYear,requestMonth,oldMonth,placeHolderContainer=$("<div>");if(placeHolderContainer.hide(),placeHolderContainer.append(placeHolder),newParent.is(previousMonth))placeHolderContainer.insertBefore(previousMonth),requestYear=previousMonth.data("previousYear"),requestMonth=previousMonth.data("previousMonth"),oldMonth=nextMonth;else{if(!newParent.is(nextMonth))return $.Deferred().resolve();placeHolderContainer.insertAfter(nextMonth),requestYear=nextMonth.data("nextYear"),requestMonth=nextMonth.data("nextMonth"),oldMonth=previousMonth}return CalendarViewManager.refreshMonthContent(placeHolder,requestYear,requestMonth,courseId,categoryId,placeHolder).then((function(){var slideUpPromise=$.Deferred(),slideDownPromise=$.Deferred();return oldMonth.slideUp("fast",(function(){$(this).remove(),slideUpPromise.resolve()})),placeHolderContainer.slideDown("fast",(function(){slideDownPromise.resolve()})),$.when(slideUpPromise,slideDownPromise)}))};root.on("click",CalendarSelectors.links.miniDayLink,(function(e){var miniDayLink=$(e.target),year=miniDayLink.data("year"),month=miniDayLink.data("month"),day=miniDayLink.text(),courseId=miniDayLink.data("courseid"),categoryId=miniDayLink.data("categoryid"),calendarRoot=$("body").find(CalendarSelectors.calendarMain);CalendarViewManager.refreshDayContent(calendarRoot,year,month,day,courseId,categoryId,calendarRoot,"core_calendar/calendar_day"),e.preventDefault(),window.history.pushState({},"","?view=day")}))}(root=$(root))}}}));
+
+//# sourceMappingURL=calendar_threemonth.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/calendar_threemonth.min.js.map b/calendar/amd/build/calendar_threemonth.min.js.map
index 04406fee766..46a745cdbe0 100644
--- a/calendar/amd/build/calendar_threemonth.min.js.map
+++ b/calendar/amd/build/calendar_threemonth.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles display of multiple mini calendars in a view, and\n * movement through them.\n *\n * @module     core_calendar/calendar_threemonth\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/notification',\n    'core_calendar/selectors',\n    'core_calendar/events',\n    'core/templates',\n    'core_calendar/view_manager',\n],\nfunction(\n    $,\n    Notification,\n    CalendarSelectors,\n    CalendarEvents,\n    Templates,\n    CalendarViewManager\n) {\n\n    /**\n     * Listen to and handle any calendar events fired by the calendar UI.\n     *\n     * @method registerCalendarEventListeners\n     * @param {object} root The calendar root element\n     */\n    var registerCalendarEventListeners = function(root) {\n        var body = $('body');\n        body.on([CalendarEvents.monthChanged, CalendarEvents.dayChanged].join(' '), function(e, year, month, courseId, categoryId) {\n            // We have to use a queue here because the calling code is decoupled from these listeners.\n            // It's possible for the event to be called multiple times before one call is fully resolved.\n            root.queue(function(next) {\n                return processRequest(e, year, month, courseId, categoryId)\n                .then(function() {\n                    return next();\n                })\n                .fail(Notification.exception)\n                ;\n            });\n        });\n\n        var processRequest = function(e, year, month, courseId, categoryId) {\n            var newCurrentMonth = root.find('[data-year=\"' + year + '\"][data-month=\"' + month + '\"]');\n            var newParent = newCurrentMonth.closest(CalendarSelectors.calendarPeriods.month);\n            var allMonths = root.find(CalendarSelectors.calendarPeriods.month);\n\n            var previousMonth = $(allMonths[0]);\n            var nextMonth = $(allMonths[2]);\n\n            var placeHolder = $('<span>');\n            placeHolder.attr('data-template', 'core_calendar/threemonth_month');\n            placeHolder.attr('data-includenavigation', false);\n            placeHolder.attr('data-mini', true);\n            var placeHolderContainer = $('<div>');\n            placeHolderContainer.hide();\n            placeHolderContainer.append(placeHolder);\n\n            var requestYear;\n            var requestMonth;\n            var oldMonth;\n\n            if (newParent.is(previousMonth)) {\n                // Fetch the new previous month.\n                placeHolderContainer.insertBefore(previousMonth);\n\n                requestYear = previousMonth.data('previousYear');\n                requestMonth = previousMonth.data('previousMonth');\n                oldMonth = nextMonth;\n            } else if (newParent.is(nextMonth)) {\n                // Fetch the new next month.\n                placeHolderContainer.insertAfter(nextMonth);\n                requestYear = nextMonth.data('nextYear');\n                requestMonth = nextMonth.data('nextMonth');\n                oldMonth = previousMonth;\n            } else {\n                return $.Deferred().resolve();\n            }\n\n            return CalendarViewManager.refreshMonthContent(\n                placeHolder,\n                requestYear,\n                requestMonth,\n                courseId,\n                categoryId,\n                placeHolder\n            )\n            .then(function() {\n                var slideUpPromise = $.Deferred();\n                var slideDownPromise = $.Deferred();\n                oldMonth.slideUp('fast', function() {\n                    $(this).remove();\n                    slideUpPromise.resolve();\n                });\n                placeHolderContainer.slideDown('fast', function() {\n                    slideDownPromise.resolve();\n                });\n\n                return $.when(slideUpPromise, slideDownPromise);\n            });\n        };\n\n        // Listen for a click on the day link in the three month block to load the day view.\n        root.on('click', CalendarSelectors.links.miniDayLink, function(e) {\n\n                var miniDayLink = $(e.target);\n                var year = miniDayLink.data('year'),\n                    month = miniDayLink.data('month'),\n                    day = miniDayLink.text(),\n                    courseId = miniDayLink.data('courseid'),\n                    categoryId = miniDayLink.data('categoryid'),\n                    calendarRoot = $('body').find(CalendarSelectors.calendarMain);\n                CalendarViewManager.refreshDayContent(calendarRoot, year, month, day, courseId, categoryId,\n                    calendarRoot, 'core_calendar/calendar_day');\n                e.preventDefault();\n                window.history.pushState({}, '', '?view=day');\n        });\n    };\n\n    return {\n        init: function(root) {\n            root = $(root);\n\n            registerCalendarEventListeners(root);\n        }\n    };\n});\n"],"file":"calendar_threemonth.min.js"}
\ No newline at end of file
+{"version":3,"file":"calendar_threemonth.min.js","sources":["../src/calendar_threemonth.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles display of multiple mini calendars in a view, and\n * movement through them.\n *\n * @module     core_calendar/calendar_threemonth\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/notification',\n    'core_calendar/selectors',\n    'core_calendar/events',\n    'core/templates',\n    'core_calendar/view_manager',\n],\nfunction(\n    $,\n    Notification,\n    CalendarSelectors,\n    CalendarEvents,\n    Templates,\n    CalendarViewManager\n) {\n\n    /**\n     * Listen to and handle any calendar events fired by the calendar UI.\n     *\n     * @method registerCalendarEventListeners\n     * @param {object} root The calendar root element\n     */\n    var registerCalendarEventListeners = function(root) {\n        var body = $('body');\n        body.on([CalendarEvents.monthChanged, CalendarEvents.dayChanged].join(' '), function(e, year, month, courseId, categoryId) {\n            // We have to use a queue here because the calling code is decoupled from these listeners.\n            // It's possible for the event to be called multiple times before one call is fully resolved.\n            root.queue(function(next) {\n                return processRequest(e, year, month, courseId, categoryId)\n                .then(function() {\n                    return next();\n                })\n                .fail(Notification.exception)\n                ;\n            });\n        });\n\n        var processRequest = function(e, year, month, courseId, categoryId) {\n            var newCurrentMonth = root.find('[data-year=\"' + year + '\"][data-month=\"' + month + '\"]');\n            var newParent = newCurrentMonth.closest(CalendarSelectors.calendarPeriods.month);\n            var allMonths = root.find(CalendarSelectors.calendarPeriods.month);\n\n            var previousMonth = $(allMonths[0]);\n            var nextMonth = $(allMonths[2]);\n\n            var placeHolder = $('<span>');\n            placeHolder.attr('data-template', 'core_calendar/threemonth_month');\n            placeHolder.attr('data-includenavigation', false);\n            placeHolder.attr('data-mini', true);\n            var placeHolderContainer = $('<div>');\n            placeHolderContainer.hide();\n            placeHolderContainer.append(placeHolder);\n\n            var requestYear;\n            var requestMonth;\n            var oldMonth;\n\n            if (newParent.is(previousMonth)) {\n                // Fetch the new previous month.\n                placeHolderContainer.insertBefore(previousMonth);\n\n                requestYear = previousMonth.data('previousYear');\n                requestMonth = previousMonth.data('previousMonth');\n                oldMonth = nextMonth;\n            } else if (newParent.is(nextMonth)) {\n                // Fetch the new next month.\n                placeHolderContainer.insertAfter(nextMonth);\n                requestYear = nextMonth.data('nextYear');\n                requestMonth = nextMonth.data('nextMonth');\n                oldMonth = previousMonth;\n            } else {\n                return $.Deferred().resolve();\n            }\n\n            return CalendarViewManager.refreshMonthContent(\n                placeHolder,\n                requestYear,\n                requestMonth,\n                courseId,\n                categoryId,\n                placeHolder\n            )\n            .then(function() {\n                var slideUpPromise = $.Deferred();\n                var slideDownPromise = $.Deferred();\n                oldMonth.slideUp('fast', function() {\n                    $(this).remove();\n                    slideUpPromise.resolve();\n                });\n                placeHolderContainer.slideDown('fast', function() {\n                    slideDownPromise.resolve();\n                });\n\n                return $.when(slideUpPromise, slideDownPromise);\n            });\n        };\n\n        // Listen for a click on the day link in the three month block to load the day view.\n        root.on('click', CalendarSelectors.links.miniDayLink, function(e) {\n\n                var miniDayLink = $(e.target);\n                var year = miniDayLink.data('year'),\n                    month = miniDayLink.data('month'),\n                    day = miniDayLink.text(),\n                    courseId = miniDayLink.data('courseid'),\n                    categoryId = miniDayLink.data('categoryid'),\n                    calendarRoot = $('body').find(CalendarSelectors.calendarMain);\n                CalendarViewManager.refreshDayContent(calendarRoot, year, month, day, courseId, categoryId,\n                    calendarRoot, 'core_calendar/calendar_day');\n                e.preventDefault();\n                window.history.pushState({}, '', '?view=day');\n        });\n    };\n\n    return {\n        init: function(root) {\n            root = $(root);\n\n            registerCalendarEventListeners(root);\n        }\n    };\n});\n"],"names":["define","$","Notification","CalendarSelectors","CalendarEvents","Templates","CalendarViewManager","init","root","on","monthChanged","dayChanged","join","e","year","month","courseId","categoryId","queue","next","processRequest","then","fail","exception","newParent","find","closest","calendarPeriods","allMonths","previousMonth","nextMonth","placeHolder","attr","requestYear","requestMonth","oldMonth","placeHolderContainer","hide","append","is","insertBefore","data","Deferred","resolve","insertAfter","refreshMonthContent","slideUpPromise","slideDownPromise","slideUp","this","remove","slideDown","when","links","miniDayLink","target","day","text","calendarRoot","calendarMain","refreshDayContent","preventDefault","window","history","pushState","registerCalendarEventListeners"],"mappings":";;;;;;;;;AAwBAA,2CAAO,CACH,SACA,oBACA,0BACA,uBACA,iBACA,+BAEJ,SACIC,EACAC,aACAC,kBACAC,eACAC,UACAC,2BAqGO,CACHC,KAAM,SAASC,OA7FkB,SAASA,MAC/BP,EAAE,QACRQ,GAAG,CAACL,eAAeM,aAAcN,eAAeO,YAAYC,KAAK,MAAM,SAASC,EAAGC,KAAMC,MAAOC,SAAUC,YAG3GT,KAAKU,OAAM,SAASC,aACTC,eAAeP,EAAGC,KAAMC,MAAOC,SAAUC,YAC/CI,MAAK,kBACKF,UAEVG,KAAKpB,aAAaqB,qBAKvBH,eAAiB,SAASP,EAAGC,KAAMC,MAAOC,SAAUC,gBAEhDO,UADkBhB,KAAKiB,KAAK,eAAiBX,KAAO,kBAAoBC,MAAQ,MACpDW,QAAQvB,kBAAkBwB,gBAAgBZ,OACtEa,UAAYpB,KAAKiB,KAAKtB,kBAAkBwB,gBAAgBZ,OAExDc,cAAgB5B,EAAE2B,UAAU,IAC5BE,UAAY7B,EAAE2B,UAAU,IAExBG,YAAc9B,EAAE,UACpB8B,YAAYC,KAAK,gBAAiB,kCAClCD,YAAYC,KAAK,0BAA0B,GAC3CD,YAAYC,KAAK,aAAa,OAK1BC,YACAC,aACAC,SANAC,qBAAuBnC,EAAE,YAC7BmC,qBAAqBC,OACrBD,qBAAqBE,OAAOP,aAMxBP,UAAUe,GAAGV,eAEbO,qBAAqBI,aAAaX,eAElCI,YAAcJ,cAAcY,KAAK,gBACjCP,aAAeL,cAAcY,KAAK,iBAClCN,SAAWL,cACR,CAAA,IAAIN,UAAUe,GAAGT,kBAOb7B,EAAEyC,WAAWC,UALpBP,qBAAqBQ,YAAYd,WACjCG,YAAcH,UAAUW,KAAK,YAC7BP,aAAeJ,UAAUW,KAAK,aAC9BN,SAAWN,qBAKRvB,oBAAoBuC,oBACvBd,YACAE,YACAC,aACAlB,SACAC,WACAc,aAEHV,MAAK,eACEyB,eAAiB7C,EAAEyC,WACnBK,iBAAmB9C,EAAEyC,kBACzBP,SAASa,QAAQ,QAAQ,WACrB/C,EAAEgD,MAAMC,SACRJ,eAAeH,aAEnBP,qBAAqBe,UAAU,QAAQ,WACnCJ,iBAAiBJ,aAGd1C,EAAEmD,KAAKN,eAAgBC,sBAKtCvC,KAAKC,GAAG,QAASN,kBAAkBkD,MAAMC,aAAa,SAASzC,OAEnDyC,YAAcrD,EAAEY,EAAE0C,QAClBzC,KAAOwC,YAAYb,KAAK,QACxB1B,MAAQuC,YAAYb,KAAK,SACzBe,IAAMF,YAAYG,OAClBzC,SAAWsC,YAAYb,KAAK,YAC5BxB,WAAaqC,YAAYb,KAAK,cAC9BiB,aAAezD,EAAE,QAAQwB,KAAKtB,kBAAkBwD,cACpDrD,oBAAoBsD,kBAAkBF,aAAc5C,KAAMC,MAAOyC,IAAKxC,SAAUC,WAC5EyC,aAAc,8BAClB7C,EAAEgD,iBACFC,OAAOC,QAAQC,UAAU,GAAI,GAAI,gBAQrCC,CAFAzD,KAAOP,EAAEO"}
\ No newline at end of file
diff --git a/calendar/amd/build/calendar_view.min.js b/calendar/amd/build/calendar_view.min.js
index 0c143b4bc43..46c9303239f 100644
--- a/calendar/amd/build/calendar_view.min.js
+++ b/calendar/amd/build/calendar_view.min.js
@@ -1,2 +1,11 @@
-define ("core_calendar/calendar_view",["jquery","core/str","core/notification","core_calendar/selectors","core_calendar/events","core_calendar/view_manager","core_calendar/repository","core/modal_factory","core_calendar/modal_event_form","core/modal_events","core_calendar/crud"],function(a,b,c,d,e,f,g,h,i,j,k){var l=function(b,g){var h=a("body");k.registerRemove(b);var i="reloadCurrent"+g.charAt(0).toUpperCase()+g.slice(1);h.on(e.created,function(){f[i](b)});h.on(e.deleted,function(){f[i](b)});h.on(e.updated,function(){f[i](b)});b.on("change",d.courseSelector,function(){var e=a(this),g=e.val();f[i](b,g,null).then(function(){return b.find(d.courseSelector).val(g)}).then(function(){window.history.pushState({},"","?view=upcoming&course="+g)}).fail(c.exception)});h.on(e.filterChanged,function(a,c){var e=b.find(d.eventType[c.type]);if(!0==c.hidden){e.addClass("hidden")}else{e.removeClass("hidden")}});var j=k.registerEventFormModal(b);k.registerEditListeners(b,j)};return{init:function init(b,c){b=a(b);f.init(b,c);l(b,c)}}});
-//# sourceMappingURL=calendar_view.min.js.map
+/**
+ * This module is responsible for handle calendar day and upcoming view.
+ *
+ * @module     core_calendar/calendar
+ * @package    core_calendar
+ * @copyright  2017 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/calendar_view",["jquery","core/str","core/notification","core_calendar/selectors","core_calendar/events","core_calendar/view_manager","core_calendar/repository","core/modal_factory","core_calendar/modal_event_form","core/modal_events","core_calendar/crud"],(function($,Str,Notification,CalendarSelectors,CalendarEvents,CalendarViewManager,CalendarRepository,ModalFactory,ModalEventForm,ModalEvents,CalendarCrud){return{init:function(root,type){root=$(root),CalendarViewManager.init(root,type),function(root,type){var body=$("body");CalendarCrud.registerRemove(root);var reloadFunction="reloadCurrent"+type.charAt(0).toUpperCase()+type.slice(1);body.on(CalendarEvents.created,(function(){CalendarViewManager[reloadFunction](root)})),body.on(CalendarEvents.deleted,(function(){CalendarViewManager[reloadFunction](root)})),body.on(CalendarEvents.updated,(function(){CalendarViewManager[reloadFunction](root)})),root.on("change",CalendarSelectors.courseSelector,(function(){var courseId=$(this).val();CalendarViewManager[reloadFunction](root,courseId,null).then((function(){return root.find(CalendarSelectors.courseSelector).val(courseId)})).then((function(){window.history.pushState({},"","?view=upcoming&course="+courseId)})).fail(Notification.exception)})),body.on(CalendarEvents.filterChanged,(function(e,data){var daysWithEvent=root.find(CalendarSelectors.eventType[data.type]);1==data.hidden?daysWithEvent.addClass("hidden"):daysWithEvent.removeClass("hidden")}));var eventFormPromise=CalendarCrud.registerEventFormModal(root);CalendarCrud.registerEditListeners(root,eventFormPromise)}(root,type)}}}));
+
+//# sourceMappingURL=calendar_view.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/calendar_view.min.js.map b/calendar/amd/build/calendar_view.min.js.map
index 59a4e6efde2..f40be2c4b1f 100644
--- a/calendar/amd/build/calendar_view.min.js.map
+++ b/calendar/amd/build/calendar_view.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is responsible for handle calendar day and upcoming view.\n *\n * @module     core_calendar/calendar\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/str',\n        'core/notification',\n        'core_calendar/selectors',\n        'core_calendar/events',\n        'core_calendar/view_manager',\n        'core_calendar/repository',\n        'core/modal_factory',\n        'core_calendar/modal_event_form',\n        'core/modal_events',\n        'core_calendar/crud'\n    ],\n    function(\n        $,\n        Str,\n        Notification,\n        CalendarSelectors,\n        CalendarEvents,\n        CalendarViewManager,\n        CalendarRepository,\n        ModalFactory,\n        ModalEventForm,\n        ModalEvents,\n        CalendarCrud\n    ) {\n\n        var registerEventListeners = function(root, type) {\n            var body = $('body');\n\n            CalendarCrud.registerRemove(root);\n\n            var reloadFunction = 'reloadCurrent' + type.charAt(0).toUpperCase() + type.slice(1);\n\n            body.on(CalendarEvents.created, function() {\n                CalendarViewManager[reloadFunction](root);\n            });\n            body.on(CalendarEvents.deleted, function() {\n                CalendarViewManager[reloadFunction](root);\n            });\n            body.on(CalendarEvents.updated, function() {\n                CalendarViewManager[reloadFunction](root);\n            });\n\n            root.on('change', CalendarSelectors.courseSelector, function() {\n                var selectElement = $(this);\n                var courseId = selectElement.val();\n                CalendarViewManager[reloadFunction](root, courseId, null)\n                    .then(function() {\n                        // We need to get the selector again because the content has changed.\n                        return root.find(CalendarSelectors.courseSelector).val(courseId);\n                    })\n                    .then(function() {\n                        window.history.pushState({}, '', '?view=upcoming&course=' + courseId);\n\n                        return;\n                    })\n                    .fail(Notification.exception);\n            });\n\n            body.on(CalendarEvents.filterChanged, function(e, data) {\n                var daysWithEvent = root.find(CalendarSelectors.eventType[data.type]);\n                if (data.hidden == true) {\n                    daysWithEvent.addClass('hidden');\n                } else {\n                    daysWithEvent.removeClass('hidden');\n                }\n            });\n\n            var eventFormPromise = CalendarCrud.registerEventFormModal(root);\n            CalendarCrud.registerEditListeners(root, eventFormPromise);\n        };\n\n        return {\n            init: function(root, type) {\n                root = $(root);\n\n                CalendarViewManager.init(root, type);\n                registerEventListeners(root, type);\n            }\n        };\n    });\n"],"file":"calendar_view.min.js"}
\ No newline at end of file
+{"version":3,"file":"calendar_view.min.js","sources":["../src/calendar_view.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is responsible for handle calendar day and upcoming view.\n *\n * @module     core_calendar/calendar\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/str',\n        'core/notification',\n        'core_calendar/selectors',\n        'core_calendar/events',\n        'core_calendar/view_manager',\n        'core_calendar/repository',\n        'core/modal_factory',\n        'core_calendar/modal_event_form',\n        'core/modal_events',\n        'core_calendar/crud'\n    ],\n    function(\n        $,\n        Str,\n        Notification,\n        CalendarSelectors,\n        CalendarEvents,\n        CalendarViewManager,\n        CalendarRepository,\n        ModalFactory,\n        ModalEventForm,\n        ModalEvents,\n        CalendarCrud\n    ) {\n\n        var registerEventListeners = function(root, type) {\n            var body = $('body');\n\n            CalendarCrud.registerRemove(root);\n\n            var reloadFunction = 'reloadCurrent' + type.charAt(0).toUpperCase() + type.slice(1);\n\n            body.on(CalendarEvents.created, function() {\n                CalendarViewManager[reloadFunction](root);\n            });\n            body.on(CalendarEvents.deleted, function() {\n                CalendarViewManager[reloadFunction](root);\n            });\n            body.on(CalendarEvents.updated, function() {\n                CalendarViewManager[reloadFunction](root);\n            });\n\n            root.on('change', CalendarSelectors.courseSelector, function() {\n                var selectElement = $(this);\n                var courseId = selectElement.val();\n                CalendarViewManager[reloadFunction](root, courseId, null)\n                    .then(function() {\n                        // We need to get the selector again because the content has changed.\n                        return root.find(CalendarSelectors.courseSelector).val(courseId);\n                    })\n                    .then(function() {\n                        window.history.pushState({}, '', '?view=upcoming&course=' + courseId);\n\n                        return;\n                    })\n                    .fail(Notification.exception);\n            });\n\n            body.on(CalendarEvents.filterChanged, function(e, data) {\n                var daysWithEvent = root.find(CalendarSelectors.eventType[data.type]);\n                if (data.hidden == true) {\n                    daysWithEvent.addClass('hidden');\n                } else {\n                    daysWithEvent.removeClass('hidden');\n                }\n            });\n\n            var eventFormPromise = CalendarCrud.registerEventFormModal(root);\n            CalendarCrud.registerEditListeners(root, eventFormPromise);\n        };\n\n        return {\n            init: function(root, type) {\n                root = $(root);\n\n                CalendarViewManager.init(root, type);\n                registerEventListeners(root, type);\n            }\n        };\n    });\n"],"names":["define","$","Str","Notification","CalendarSelectors","CalendarEvents","CalendarViewManager","CalendarRepository","ModalFactory","ModalEventForm","ModalEvents","CalendarCrud","init","root","type","body","registerRemove","reloadFunction","charAt","toUpperCase","slice","on","created","deleted","updated","courseSelector","courseId","this","val","then","find","window","history","pushState","fail","exception","filterChanged","e","data","daysWithEvent","eventType","hidden","addClass","removeClass","eventFormPromise","registerEventFormModal","registerEditListeners","registerEventListeners"],"mappings":";;;;;;;;AAuBAA,qCAAO,CACC,SACA,WACA,oBACA,0BACA,uBACA,6BACA,2BACA,qBACA,iCACA,oBACA,uBAEJ,SACIC,EACAC,IACAC,aACAC,kBACAC,eACAC,oBACAC,mBACAC,aACAC,eACAC,YACAC,oBAiDO,CACHC,KAAM,SAASC,KAAMC,MACjBD,KAAOZ,EAAEY,MAETP,oBAAoBM,KAAKC,KAAMC,MAlDV,SAASD,KAAMC,UACpCC,KAAOd,EAAE,QAEbU,aAAaK,eAAeH,UAExBI,eAAiB,gBAAkBH,KAAKI,OAAO,GAAGC,cAAgBL,KAAKM,MAAM,GAEjFL,KAAKM,GAAGhB,eAAeiB,SAAS,WAC5BhB,oBAAoBW,gBAAgBJ,SAExCE,KAAKM,GAAGhB,eAAekB,SAAS,WAC5BjB,oBAAoBW,gBAAgBJ,SAExCE,KAAKM,GAAGhB,eAAemB,SAAS,WAC5BlB,oBAAoBW,gBAAgBJ,SAGxCA,KAAKQ,GAAG,SAAUjB,kBAAkBqB,gBAAgB,eAE5CC,SADgBzB,EAAE0B,MACOC,MAC7BtB,oBAAoBW,gBAAgBJ,KAAMa,SAAU,MAC/CG,MAAK,kBAEKhB,KAAKiB,KAAK1B,kBAAkBqB,gBAAgBG,IAAIF,aAE1DG,MAAK,WACFE,OAAOC,QAAQC,UAAU,GAAI,GAAI,yBAA2BP,aAI/DQ,KAAK/B,aAAagC,cAG3BpB,KAAKM,GAAGhB,eAAe+B,eAAe,SAASC,EAAGC,UAC1CC,cAAgB1B,KAAKiB,KAAK1B,kBAAkBoC,UAAUF,KAAKxB,OAC5C,GAAfwB,KAAKG,OACLF,cAAcG,SAAS,UAEvBH,cAAcI,YAAY,iBAI9BC,iBAAmBjC,aAAakC,uBAAuBhC,MAC3DF,aAAamC,sBAAsBjC,KAAM+B,kBAQrCG,CAAuBlC,KAAMC"}
\ No newline at end of file
diff --git a/calendar/amd/build/crud.min.js b/calendar/amd/build/crud.min.js
index 9f0d0e1413f..3cf6d1e8fa5 100644
--- a/calendar/amd/build/crud.min.js
+++ b/calendar/amd/build/crud.min.js
@@ -1,2 +1,11 @@
-define ("core_calendar/crud",["jquery","core/str","core/notification","core/custom_interaction_events","core/modal","core/modal_registry","core/modal_factory","core/modal_events","core_calendar/modal_event_form","core_calendar/repository","core_calendar/events","core_calendar/modal_delete","core_calendar/selectors","core/pending"],function(a,b,c,d,e,f,g,h,i,j,k,l,m,n){function o(d,e,f){var i=new n("core_calendar/crud:confirmDeletion"),m=[{key:"deleteevent",component:"calendar"}];f=parseInt(f,10);var o,p=1<f;if(p){m.push({key:"confirmeventseriesdelete",component:"calendar",param:{name:e,count:f}});o=g.create({type:l.TYPE})}else{m.push({key:"confirmeventdelete",component:"calendar",param:e});o=g.create({type:g.types.SAVE_CANCEL})}var q=b.get_strings(m),r=a.when(q,o).then(function(b,e){e.setRemoveOnClose(!0);e.setTitle(b[0]);e.setBody(b[1]);if(!p){e.setSaveButtonText(b[0])}e.show();e.getRoot().on(h.save,function(){var b=new n("calendar/crud:initModal:deletedevent");j.deleteEvent(d,!1).then(function(){a("body").trigger(k.deleted,[d,!1])}).then(b.resolve).catch(c.exception)});e.getRoot().on(k.deleteAll,function(){var b=new n("calendar/crud:initModal:deletedallevent");j.deleteEvent(d,!0).then(function(){a("body").trigger(k.deleted,[d,!0])}).then(b.resolve).catch(c.exception)});return e}).then(function(a){i.resolve();return a}).catch(c.exception);return r}return{registerRemove:function(b){b.on("click",m.actions.remove,function(b){var c=a(this).closest(m.eventItem),d=c.data("eventId"),e=c.data("eventTitle"),f=c.data("eventCount");o(d,e,f);b.preventDefault()})},registerEditListeners:function(b,d){var e=new n("core_calendar/crud:registerEditListeners");return d.then(function(c){a("body").on(k.editEvent,function(a,d){var e=b.find(m.wrapper);c.setEventId(d);c.setContextId(e.data("contextId"));c.show();a.stopImmediatePropagation()});return c}).then(function(a){e.resolve();return a}).catch(c.exception)},registerEventFormModal:function registerEventFormModal(b){var d=g.create({type:i.TYPE,large:!0});b.on("click",m.actions.create,function(a){d.then(function(a){var c=b.find(m.wrapper),d=c.data("categoryid");if("undefined"!=typeof d){a.setCategoryId(d)}var e=b.find(m.today),f=b.find(m.day);if(!e.length&&f.length){a.setStartTime(f.data("newEventTimestamp"))}a.setContextId(c.data("contextId"));a.setCourseId(c.data("courseid"));a.show()}).fail(c.exception);a.preventDefault()});b.on("click",m.actions.edit,function(b){b.preventDefault();var e=a(b.currentTarget),f=e.closest(m.wrapper),g=e.closest(m.eventItem);d.then(function(a){a.setEventId(g.data("eventId"));a.setContextId(f.data("contextId"));a.show();b.stopImmediatePropagation()}).fail(c.exception)});return d}}});
-//# sourceMappingURL=crud.min.js.map
+/**
+ * A module to handle CRUD operations within the UI.
+ *
+ * @module     core_calendar/crud
+ * @package    core_calendar
+ * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/crud",["jquery","core/str","core/notification","core/custom_interaction_events","core/modal","core/modal_registry","core/modal_factory","core/modal_events","core_calendar/modal_event_form","core_calendar/repository","core_calendar/events","core_calendar/modal_delete","core_calendar/selectors","core/pending"],(function($,Str,Notification,CustomEvents,Modal,ModalRegistry,ModalFactory,ModalEvents,ModalEventForm,CalendarRepository,CalendarEvents,ModalDelete,CalendarSelectors,Pending){return{registerRemove:function(root){root.on("click",CalendarSelectors.actions.remove,(function(e){var eventSource=$(this).closest(CalendarSelectors.eventItem);!function(eventId,eventTitle,eventCount){var deletePromise,pendingPromise=new Pending("core_calendar/crud:confirmDeletion"),deleteStrings=[{key:"deleteevent",component:"calendar"}],isRepeatedEvent=(eventCount=parseInt(eventCount,10))>1;isRepeatedEvent?(deleteStrings.push({key:"confirmeventseriesdelete",component:"calendar",param:{name:eventTitle,count:eventCount}}),deletePromise=ModalFactory.create({type:ModalDelete.TYPE})):(deleteStrings.push({key:"confirmeventdelete",component:"calendar",param:eventTitle}),deletePromise=ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL}));var stringsPromise=Str.get_strings(deleteStrings);$.when(stringsPromise,deletePromise).then((function(strings,deleteModal){return deleteModal.setRemoveOnClose(!0),deleteModal.setTitle(strings[0]),deleteModal.setBody(strings[1]),isRepeatedEvent||deleteModal.setSaveButtonText(strings[0]),deleteModal.show(),deleteModal.getRoot().on(ModalEvents.save,(function(){var pendingPromise=new Pending("calendar/crud:initModal:deletedevent");CalendarRepository.deleteEvent(eventId,!1).then((function(){$("body").trigger(CalendarEvents.deleted,[eventId,!1])})).then(pendingPromise.resolve).catch(Notification.exception)})),deleteModal.getRoot().on(CalendarEvents.deleteAll,(function(){var pendingPromise=new Pending("calendar/crud:initModal:deletedallevent");CalendarRepository.deleteEvent(eventId,!0).then((function(){$("body").trigger(CalendarEvents.deleted,[eventId,!0])})).then(pendingPromise.resolve).catch(Notification.exception)})),deleteModal})).then((function(modal){return pendingPromise.resolve(),modal})).catch(Notification.exception)}(eventSource.data("eventId"),eventSource.data("eventTitle"),eventSource.data("eventCount")),e.preventDefault()}))},registerEditListeners:function(root,eventFormModalPromise){var pendingPromise=new Pending("core_calendar/crud:registerEditListeners");return eventFormModalPromise.then((function(modal){return $("body").on(CalendarEvents.editEvent,(function(e,eventId){var calendarWrapper=root.find(CalendarSelectors.wrapper);modal.setEventId(eventId),modal.setContextId(calendarWrapper.data("contextId")),modal.show(),e.stopImmediatePropagation()})),modal})).then((function(modal){return pendingPromise.resolve(),modal})).catch(Notification.exception)},registerEventFormModal:function(root){var eventFormPromise=ModalFactory.create({type:ModalEventForm.TYPE,large:!0});return root.on("click",CalendarSelectors.actions.create,(function(e){eventFormPromise.then((function(modal){var wrapper=root.find(CalendarSelectors.wrapper),categoryId=wrapper.data("categoryid");void 0!==categoryId&&modal.setCategoryId(categoryId);var today=root.find(CalendarSelectors.today),firstDay=root.find(CalendarSelectors.day);!today.length&&firstDay.length&&modal.setStartTime(firstDay.data("newEventTimestamp")),modal.setContextId(wrapper.data("contextId")),modal.setCourseId(wrapper.data("courseid")),modal.show()})).fail(Notification.exception),e.preventDefault()})),root.on("click",CalendarSelectors.actions.edit,(function(e){e.preventDefault();var target=$(e.currentTarget),calendarWrapper=target.closest(CalendarSelectors.wrapper),eventWrapper=target.closest(CalendarSelectors.eventItem);eventFormPromise.then((function(modal){modal.setEventId(eventWrapper.data("eventId")),modal.setContextId(calendarWrapper.data("contextId")),modal.show(),e.stopImmediatePropagation()})).fail(Notification.exception)})),eventFormPromise}}}));
+
+//# sourceMappingURL=crud.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/crud.min.js.map b/calendar/amd/build/crud.min.js.map
index ff9457017cd..919a5a2815e 100644
--- a/calendar/amd/build/crud.min.js.map
+++ b/calendar/amd/build/crud.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A module to handle CRUD operations within the UI.\n *\n * @module     core_calendar/crud\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/str',\n    'core/notification',\n    'core/custom_interaction_events',\n    'core/modal',\n    'core/modal_registry',\n    'core/modal_factory',\n    'core/modal_events',\n    'core_calendar/modal_event_form',\n    'core_calendar/repository',\n    'core_calendar/events',\n    'core_calendar/modal_delete',\n    'core_calendar/selectors',\n    'core/pending',\n],\nfunction(\n    $,\n    Str,\n    Notification,\n    CustomEvents,\n    Modal,\n    ModalRegistry,\n    ModalFactory,\n    ModalEvents,\n    ModalEventForm,\n    CalendarRepository,\n    CalendarEvents,\n    ModalDelete,\n    CalendarSelectors,\n    Pending\n) {\n\n    /**\n     * Prepares the action for the summary modal's delete action.\n     *\n     * @param {Number} eventId The ID of the event.\n     * @param {string} eventTitle The event title.\n     * @param {Number} eventCount The number of events in the series.\n     * @return {Promise}\n     */\n    function confirmDeletion(eventId, eventTitle, eventCount) {\n        var pendingPromise = new Pending('core_calendar/crud:confirmDeletion');\n        var deleteStrings = [\n            {\n                key: 'deleteevent',\n                component: 'calendar'\n            },\n        ];\n\n        eventCount = parseInt(eventCount, 10);\n        var deletePromise;\n        var isRepeatedEvent = eventCount > 1;\n        if (isRepeatedEvent) {\n            deleteStrings.push({\n                key: 'confirmeventseriesdelete',\n                component: 'calendar',\n                param: {\n                    name: eventTitle,\n                    count: eventCount,\n                },\n            });\n\n            deletePromise = ModalFactory.create(\n                {\n                    type: ModalDelete.TYPE\n                }\n            );\n        } else {\n            deleteStrings.push({\n                key: 'confirmeventdelete',\n                component: 'calendar',\n                param: eventTitle\n            });\n\n\n            deletePromise = ModalFactory.create({\n                type: ModalFactory.types.SAVE_CANCEL,\n            });\n        }\n\n        var stringsPromise = Str.get_strings(deleteStrings);\n\n        var finalPromise = $.when(stringsPromise, deletePromise)\n        .then(function(strings, deleteModal) {\n            deleteModal.setRemoveOnClose(true);\n            deleteModal.setTitle(strings[0]);\n            deleteModal.setBody(strings[1]);\n            if (!isRepeatedEvent) {\n                deleteModal.setSaveButtonText(strings[0]);\n            }\n\n            deleteModal.show();\n\n            deleteModal.getRoot().on(ModalEvents.save, function() {\n                var pendingPromise = new Pending('calendar/crud:initModal:deletedevent');\n                CalendarRepository.deleteEvent(eventId, false)\n                    .then(function() {\n                        $('body').trigger(CalendarEvents.deleted, [eventId, false]);\n                        return;\n                    })\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n            });\n\n            deleteModal.getRoot().on(CalendarEvents.deleteAll, function() {\n                var pendingPromise = new Pending('calendar/crud:initModal:deletedallevent');\n                CalendarRepository.deleteEvent(eventId, true)\n                    .then(function() {\n                        $('body').trigger(CalendarEvents.deleted, [eventId, true]);\n                        return;\n                    })\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n            });\n\n            return deleteModal;\n        })\n        .then(function(modal) {\n            pendingPromise.resolve();\n\n            return modal;\n        })\n        .catch(Notification.exception);\n\n        return finalPromise;\n    }\n\n    /**\n     * Create the event form modal for creating new events and\n     * editing existing events.\n     *\n     * @method registerEventFormModal\n     * @param {object} root The calendar root element\n     * @return {object} The create modal promise\n     */\n    var registerEventFormModal = function(root) {\n        var eventFormPromise = ModalFactory.create({\n            type: ModalEventForm.TYPE,\n            large: true\n        });\n\n        // Bind click event on the new event button.\n        root.on('click', CalendarSelectors.actions.create, function(e) {\n            eventFormPromise.then(function(modal) {\n                var wrapper = root.find(CalendarSelectors.wrapper);\n\n                var categoryId = wrapper.data('categoryid');\n                if (typeof categoryId !== 'undefined') {\n                    modal.setCategoryId(categoryId);\n                }\n\n                // Attempt to find the cell for today.\n                // If it can't be found, then use the start time of the first day on the calendar.\n                var today = root.find(CalendarSelectors.today);\n                var firstDay = root.find(CalendarSelectors.day);\n                if (!today.length && firstDay.length) {\n                    modal.setStartTime(firstDay.data('newEventTimestamp'));\n                }\n\n                modal.setContextId(wrapper.data('contextId'));\n                modal.setCourseId(wrapper.data('courseid'));\n                modal.show();\n                return;\n            })\n            .fail(Notification.exception);\n\n            e.preventDefault();\n        });\n\n        root.on('click', CalendarSelectors.actions.edit, function(e) {\n            e.preventDefault();\n            var target = $(e.currentTarget),\n                calendarWrapper = target.closest(CalendarSelectors.wrapper),\n                eventWrapper = target.closest(CalendarSelectors.eventItem);\n\n            eventFormPromise.then(function(modal) {\n                // When something within the calendar tells us the user wants\n                // to edit an event then show the event form modal.\n                modal.setEventId(eventWrapper.data('eventId'));\n\n                modal.setContextId(calendarWrapper.data('contextId'));\n                modal.show();\n\n                e.stopImmediatePropagation();\n                return;\n            }).fail(Notification.exception);\n        });\n\n\n        return eventFormPromise;\n    };\n    /**\n     * Register the listeners required to remove the event.\n     *\n     * @param   {jQuery} root\n     */\n    function registerRemove(root) {\n        root.on('click', CalendarSelectors.actions.remove, function(e) {\n            // Fetch the event title, count, and pass them into the new dialogue.\n            var eventSource = $(this).closest(CalendarSelectors.eventItem);\n            var eventId = eventSource.data('eventId'),\n                eventTitle = eventSource.data('eventTitle'),\n                eventCount = eventSource.data('eventCount');\n            confirmDeletion(eventId, eventTitle, eventCount);\n\n            e.preventDefault();\n        });\n    }\n\n    /**\n     * Register the listeners required to edit the event.\n     *\n     * @param   {jQuery} root\n     * @param   {Promise} eventFormModalPromise\n     * @returns {Promise}\n     */\n    function registerEditListeners(root, eventFormModalPromise) {\n        var pendingPromise = new Pending('core_calendar/crud:registerEditListeners');\n\n        return eventFormModalPromise\n        .then(function(modal) {\n            // When something within the calendar tells us the user wants\n            // to edit an event then show the event form modal.\n            $('body').on(CalendarEvents.editEvent, function(e, eventId) {\n                var calendarWrapper = root.find(CalendarSelectors.wrapper);\n                modal.setEventId(eventId);\n                modal.setContextId(calendarWrapper.data('contextId'));\n                modal.show();\n\n                e.stopImmediatePropagation();\n            });\n            return modal;\n        })\n        .then(function(modal) {\n            pendingPromise.resolve();\n\n            return modal;\n        })\n        .catch(Notification.exception);\n    }\n\n    return {\n        registerRemove: registerRemove,\n        registerEditListeners: registerEditListeners,\n        registerEventFormModal: registerEventFormModal\n    };\n});\n"],"file":"crud.min.js"}
\ No newline at end of file
+{"version":3,"file":"crud.min.js","sources":["../src/crud.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A module to handle CRUD operations within the UI.\n *\n * @module     core_calendar/crud\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/str',\n    'core/notification',\n    'core/custom_interaction_events',\n    'core/modal',\n    'core/modal_registry',\n    'core/modal_factory',\n    'core/modal_events',\n    'core_calendar/modal_event_form',\n    'core_calendar/repository',\n    'core_calendar/events',\n    'core_calendar/modal_delete',\n    'core_calendar/selectors',\n    'core/pending',\n],\nfunction(\n    $,\n    Str,\n    Notification,\n    CustomEvents,\n    Modal,\n    ModalRegistry,\n    ModalFactory,\n    ModalEvents,\n    ModalEventForm,\n    CalendarRepository,\n    CalendarEvents,\n    ModalDelete,\n    CalendarSelectors,\n    Pending\n) {\n\n    /**\n     * Prepares the action for the summary modal's delete action.\n     *\n     * @param {Number} eventId The ID of the event.\n     * @param {string} eventTitle The event title.\n     * @param {Number} eventCount The number of events in the series.\n     * @return {Promise}\n     */\n    function confirmDeletion(eventId, eventTitle, eventCount) {\n        var pendingPromise = new Pending('core_calendar/crud:confirmDeletion');\n        var deleteStrings = [\n            {\n                key: 'deleteevent',\n                component: 'calendar'\n            },\n        ];\n\n        eventCount = parseInt(eventCount, 10);\n        var deletePromise;\n        var isRepeatedEvent = eventCount > 1;\n        if (isRepeatedEvent) {\n            deleteStrings.push({\n                key: 'confirmeventseriesdelete',\n                component: 'calendar',\n                param: {\n                    name: eventTitle,\n                    count: eventCount,\n                },\n            });\n\n            deletePromise = ModalFactory.create(\n                {\n                    type: ModalDelete.TYPE\n                }\n            );\n        } else {\n            deleteStrings.push({\n                key: 'confirmeventdelete',\n                component: 'calendar',\n                param: eventTitle\n            });\n\n\n            deletePromise = ModalFactory.create({\n                type: ModalFactory.types.SAVE_CANCEL,\n            });\n        }\n\n        var stringsPromise = Str.get_strings(deleteStrings);\n\n        var finalPromise = $.when(stringsPromise, deletePromise)\n        .then(function(strings, deleteModal) {\n            deleteModal.setRemoveOnClose(true);\n            deleteModal.setTitle(strings[0]);\n            deleteModal.setBody(strings[1]);\n            if (!isRepeatedEvent) {\n                deleteModal.setSaveButtonText(strings[0]);\n            }\n\n            deleteModal.show();\n\n            deleteModal.getRoot().on(ModalEvents.save, function() {\n                var pendingPromise = new Pending('calendar/crud:initModal:deletedevent');\n                CalendarRepository.deleteEvent(eventId, false)\n                    .then(function() {\n                        $('body').trigger(CalendarEvents.deleted, [eventId, false]);\n                        return;\n                    })\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n            });\n\n            deleteModal.getRoot().on(CalendarEvents.deleteAll, function() {\n                var pendingPromise = new Pending('calendar/crud:initModal:deletedallevent');\n                CalendarRepository.deleteEvent(eventId, true)\n                    .then(function() {\n                        $('body').trigger(CalendarEvents.deleted, [eventId, true]);\n                        return;\n                    })\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n            });\n\n            return deleteModal;\n        })\n        .then(function(modal) {\n            pendingPromise.resolve();\n\n            return modal;\n        })\n        .catch(Notification.exception);\n\n        return finalPromise;\n    }\n\n    /**\n     * Create the event form modal for creating new events and\n     * editing existing events.\n     *\n     * @method registerEventFormModal\n     * @param {object} root The calendar root element\n     * @return {object} The create modal promise\n     */\n    var registerEventFormModal = function(root) {\n        var eventFormPromise = ModalFactory.create({\n            type: ModalEventForm.TYPE,\n            large: true\n        });\n\n        // Bind click event on the new event button.\n        root.on('click', CalendarSelectors.actions.create, function(e) {\n            eventFormPromise.then(function(modal) {\n                var wrapper = root.find(CalendarSelectors.wrapper);\n\n                var categoryId = wrapper.data('categoryid');\n                if (typeof categoryId !== 'undefined') {\n                    modal.setCategoryId(categoryId);\n                }\n\n                // Attempt to find the cell for today.\n                // If it can't be found, then use the start time of the first day on the calendar.\n                var today = root.find(CalendarSelectors.today);\n                var firstDay = root.find(CalendarSelectors.day);\n                if (!today.length && firstDay.length) {\n                    modal.setStartTime(firstDay.data('newEventTimestamp'));\n                }\n\n                modal.setContextId(wrapper.data('contextId'));\n                modal.setCourseId(wrapper.data('courseid'));\n                modal.show();\n                return;\n            })\n            .fail(Notification.exception);\n\n            e.preventDefault();\n        });\n\n        root.on('click', CalendarSelectors.actions.edit, function(e) {\n            e.preventDefault();\n            var target = $(e.currentTarget),\n                calendarWrapper = target.closest(CalendarSelectors.wrapper),\n                eventWrapper = target.closest(CalendarSelectors.eventItem);\n\n            eventFormPromise.then(function(modal) {\n                // When something within the calendar tells us the user wants\n                // to edit an event then show the event form modal.\n                modal.setEventId(eventWrapper.data('eventId'));\n\n                modal.setContextId(calendarWrapper.data('contextId'));\n                modal.show();\n\n                e.stopImmediatePropagation();\n                return;\n            }).fail(Notification.exception);\n        });\n\n\n        return eventFormPromise;\n    };\n    /**\n     * Register the listeners required to remove the event.\n     *\n     * @param   {jQuery} root\n     */\n    function registerRemove(root) {\n        root.on('click', CalendarSelectors.actions.remove, function(e) {\n            // Fetch the event title, count, and pass them into the new dialogue.\n            var eventSource = $(this).closest(CalendarSelectors.eventItem);\n            var eventId = eventSource.data('eventId'),\n                eventTitle = eventSource.data('eventTitle'),\n                eventCount = eventSource.data('eventCount');\n            confirmDeletion(eventId, eventTitle, eventCount);\n\n            e.preventDefault();\n        });\n    }\n\n    /**\n     * Register the listeners required to edit the event.\n     *\n     * @param   {jQuery} root\n     * @param   {Promise} eventFormModalPromise\n     * @returns {Promise}\n     */\n    function registerEditListeners(root, eventFormModalPromise) {\n        var pendingPromise = new Pending('core_calendar/crud:registerEditListeners');\n\n        return eventFormModalPromise\n        .then(function(modal) {\n            // When something within the calendar tells us the user wants\n            // to edit an event then show the event form modal.\n            $('body').on(CalendarEvents.editEvent, function(e, eventId) {\n                var calendarWrapper = root.find(CalendarSelectors.wrapper);\n                modal.setEventId(eventId);\n                modal.setContextId(calendarWrapper.data('contextId'));\n                modal.show();\n\n                e.stopImmediatePropagation();\n            });\n            return modal;\n        })\n        .then(function(modal) {\n            pendingPromise.resolve();\n\n            return modal;\n        })\n        .catch(Notification.exception);\n    }\n\n    return {\n        registerRemove: registerRemove,\n        registerEditListeners: registerEditListeners,\n        registerEventFormModal: registerEventFormModal\n    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\ No newline at end of file
diff --git a/calendar/amd/build/drag_drop_data_store.min.js b/calendar/amd/build/drag_drop_data_store.min.js
index 092a92cac17..fbd2108926e 100644
--- a/calendar/amd/build/drag_drop_data_store.min.js
+++ b/calendar/amd/build/drag_drop_data_store.min.js
@@ -1,2 +1,15 @@
-define ("core_calendar/drag_drop_data_store",[],function(){var a=null,b=null,c=null,d=null,e=null,f=null,g=function(b){a=b},h=function(){return a},i=function(){return null!==a},j=function(a){b=a},k=function(){return b},l=function(a){c=a},m=function(){return c},n=function(){return null!==c},o=function(a){d=a},p=function(){return d},q=function(){return null!==d},r=function(a){e=a},s=function(){return e},t=function(a){f=a},u=function(){return f};return{setEventId:g,getEventId:h,hasEventId:i,setDurationDays:j,getDurationDays:k,setMinTimestart:l,getMinTimestart:m,hasMinTimestart:n,setMaxTimestart:o,getMaxTimestart:p,hasMaxTimestart:q,setMinError:r,getMinError:s,setMaxError:t,getMaxError:u,clearAll:function clearAll(){g(null);j(null);l(null);o(null);r(null);t(null)}}});
-//# sourceMappingURL=drag_drop_data_store.min.js.map
+/**
+ * A javascript module to store calendar drag and drop data.
+ *
+ * This module is unfortunately required because of the limitations
+ * of the HTML5 drag and drop API and it's ability to provide data
+ * between the different stages of the drag/drop lifecycle.
+ *
+ * @module     core_calendar/drag_drop_data_store
+ * @package    core_calendar
+ * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/drag_drop_data_store",[],(function(){var eventId=null,durationDays=null,minTimestart=null,maxTimestart=null,minError=null,maxError=null,setEventId=function(id){eventId=id},setDurationDays=function(days){durationDays=days},setMinTimestart=function(timestamp){minTimestart=timestamp},setMaxTimestart=function(timestamp){maxTimestart=timestamp},setMinError=function(message){minError=message},setMaxError=function(message){maxError=message};return{setEventId:setEventId,getEventId:function(){return eventId},hasEventId:function(){return null!==eventId},setDurationDays:setDurationDays,getDurationDays:function(){return durationDays},setMinTimestart:setMinTimestart,getMinTimestart:function(){return minTimestart},hasMinTimestart:function(){return null!==minTimestart},setMaxTimestart:setMaxTimestart,getMaxTimestart:function(){return maxTimestart},hasMaxTimestart:function(){return null!==maxTimestart},setMinError:setMinError,getMinError:function(){return minError},setMaxError:setMaxError,getMaxError:function(){return maxError},clearAll:function(){setEventId(null),setDurationDays(null),setMinTimestart(null),setMaxTimestart(null),setMinError(null),setMaxError(null)}}}));
+
+//# sourceMappingURL=drag_drop_data_store.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/drag_drop_data_store.min.js.map b/calendar/amd/build/drag_drop_data_store.min.js.map
index 82ff858c249..84d85a18fe1 100644
--- a/calendar/amd/build/drag_drop_data_store.min.js.map
+++ b/calendar/amd/build/drag_drop_data_store.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/drag_drop_data_store.js"],"names":["define","eventId","durationDays","minTimestart","maxTimestart","minError","maxError","setEventId","id","getEventId","hasEventId","setDurationDays","days","getDurationDays","setMinTimestart","timestamp","getMinTimestart","hasMinTimestart","setMaxTimestart","getMaxTimestart","hasMaxTimestart","setMinError","message","getMinError","setMaxError","getMaxError","clearAll"],"mappings":"AA2BAA,OAAM,sCAAC,EAAD,CAAK,UAAW,IAEdC,CAAAA,CAAO,CAAG,IAFI,CAIdC,CAAY,CAAG,IAJD,CAMdC,CAAY,CAAG,IAND,CAQdC,CAAY,CAAG,IARD,CAUdC,CAAQ,CAAG,IAVG,CAYdC,CAAQ,CAAG,IAZG,CAmBdC,CAAU,CAAG,SAASC,CAAT,CAAa,CAC1BP,CAAO,CAAGO,CACb,CArBiB,CA4BdC,CAAU,CAAG,UAAW,CACxB,MAAOR,CAAAA,CACV,CA9BiB,CAqCdS,CAAU,CAAG,UAAW,CACxB,MAAmB,KAAZ,GAAAT,CACV,CAvCiB,CA8CdU,CAAe,CAAG,SAASC,CAAT,CAAe,CACjCV,CAAY,CAAGU,CAClB,CAhDiB,CAuDdC,CAAe,CAAG,UAAW,CAC7B,MAAOX,CAAAA,CACV,CAzDiB,CAgEdY,CAAe,CAAG,SAASC,CAAT,CAAoB,CACtCZ,CAAY,CAAGY,CAClB,CAlEiB,CAyEdC,CAAe,CAAG,UAAW,CAC7B,MAAOb,CAAAA,CACV,CA3EiB,CAkFdc,CAAe,CAAG,UAAW,CAC7B,MAAwB,KAAjB,GAAAd,CACV,CApFiB,CA2Fde,CAAe,CAAG,SAASH,CAAT,CAAoB,CACtCX,CAAY,CAAGW,CAClB,CA7FiB,CAoGdI,CAAe,CAAG,UAAW,CAC7B,MAAOf,CAAAA,CACV,CAtGiB,CA6GdgB,CAAe,CAAG,UAAW,CAC7B,MAAwB,KAAjB,GAAAhB,CACV,CA/GiB,CAuHdiB,CAAW,CAAG,SAASC,CAAT,CAAkB,CAChCjB,CAAQ,CAAGiB,CACd,CAzHiB,CAgIdC,CAAW,CAAG,UAAW,CACzB,MAAOlB,CAAAA,CACV,CAlIiB,CA0IdmB,CAAW,CAAG,SAASF,CAAT,CAAkB,CAChChB,CAAQ,CAAGgB,CACd,CA5IiB,CAmJdG,CAAW,CAAG,UAAW,CACzB,MAAOnB,CAAAA,CACV,CArJiB,CAmKlB,MAAO,CACHC,UAAU,CAAEA,CADT,CAEHE,UAAU,CAAEA,CAFT,CAGHC,UAAU,CAAEA,CAHT,CAIHC,eAAe,CAAEA,CAJd,CAKHE,eAAe,CAAEA,CALd,CAMHC,eAAe,CAAEA,CANd,CAOHE,eAAe,CAAEA,CAPd,CAQHC,eAAe,CAAEA,CARd,CASHC,eAAe,CAAEA,CATd,CAUHC,eAAe,CAAEA,CAVd,CAWHC,eAAe,CAAEA,CAXd,CAYHC,WAAW,CAAEA,CAZV,CAaHE,WAAW,CAAEA,CAbV,CAcHC,WAAW,CAAEA,CAdV,CAeHC,WAAW,CAAEA,CAfV,CAgBHC,QAAQ,CAzBG,QAAXA,CAAAA,QAAW,EAAW,CACtBnB,CAAU,CAAC,IAAD,CAAV,CACAI,CAAe,CAAC,IAAD,CAAf,CACAG,CAAe,CAAC,IAAD,CAAf,CACAI,CAAe,CAAC,IAAD,CAAf,CACAG,CAAW,CAAC,IAAD,CAAX,CACAG,CAAW,CAAC,IAAD,CACd,CAEM,CAkBV,CArLK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to store calendar drag and drop data.\n *\n * This module is unfortunately required because of the limitations\n * of the HTML5 drag and drop API and it's ability to provide data\n * between the different stages of the drag/drop lifecycle.\n *\n * @module     core_calendar/drag_drop_data_store\n * @package    core_calendar\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    /* @var {int|null} eventId The id of the event being dragged */\n    var eventId = null;\n    /* @var {int|null} durationDays How many days the event spans */\n    var durationDays = null;\n    /* @var {int|null} minTimestart The earliest valid timestart */\n    var minTimestart = null;\n    /* @var {int|null} maxTimestart The latest valid tiemstart */\n    var maxTimestart = null;\n    /* @var {string|null} minError Error message for min timestamp violation */\n    var minError = null;\n    /* @var {string|null} maxError Error message for max timestamp violation */\n    var maxError = null;\n\n    /**\n     * Store the id of the event being dragged.\n     *\n     * @param {int} id The event id\n     */\n    var setEventId = function(id) {\n        eventId = id;\n    };\n\n    /**\n     * Get the stored event id.\n     *\n     * @return {int|null}\n     */\n    var getEventId = function() {\n        return eventId;\n    };\n\n    /**\n     * Check if the store has an event id.\n     *\n     * @return {bool}\n     */\n    var hasEventId = function() {\n        return eventId !== null;\n    };\n\n    /**\n     * Store the duration (in days) of the event being dragged.\n     *\n     * @param {int} days Number of days the event spans\n     */\n    var setDurationDays = function(days) {\n        durationDays = days;\n    };\n\n    /**\n     * Get the stored number of days.\n     *\n     * @return {int|null}\n     */\n    var getDurationDays = function() {\n        return durationDays;\n    };\n\n    /**\n     * Store the minimum timestart valid for an event being dragged.\n     *\n     * @param {int} timestamp The unix timstamp\n     */\n    var setMinTimestart = function(timestamp) {\n        minTimestart = timestamp;\n    };\n\n    /**\n     * Get the minimum valid timestart.\n     *\n     * @return {int|null}\n     */\n    var getMinTimestart = function() {\n        return minTimestart;\n    };\n\n    /**\n     * Check if a minimum timestamp is set.\n     *\n     * @return {bool}\n     */\n    var hasMinTimestart = function() {\n        return minTimestart !== null;\n    };\n\n    /**\n     * Store the maximum timestart valid for an event being dragged.\n     *\n     * @param {int} timestamp The unix timstamp\n     */\n    var setMaxTimestart = function(timestamp) {\n        maxTimestart = timestamp;\n    };\n\n    /**\n     * Get the maximum valid timestart.\n     *\n     * @return {int|null}\n     */\n    var getMaxTimestart = function() {\n        return maxTimestart;\n    };\n\n    /**\n     * Check if a maximum timestamp is set.\n     *\n     * @return {bool}\n     */\n    var hasMaxTimestart = function() {\n        return maxTimestart !== null;\n    };\n\n    /**\n     * Store the error string to display if trying to drag an event\n     * earlier than the minimum allowed date.\n     *\n     * @param {string} message The error message\n     */\n    var setMinError = function(message) {\n        minError = message;\n    };\n\n    /**\n     * Get the error message for a minimum time start violation.\n     *\n     * @return {string|null}\n     */\n    var getMinError = function() {\n        return minError;\n    };\n\n    /**\n     * Store the error string to display if trying to drag an event\n     * later than the maximum allowed date.\n     *\n     * @param {string} message The error message\n     */\n    var setMaxError = function(message) {\n        maxError = message;\n    };\n\n    /**\n     * Get the error message for a maximum time start violation.\n     *\n     * @return {string|null}\n     */\n    var getMaxError = function() {\n        return maxError;\n    };\n\n    /**\n     * Reset all of the stored values.\n     */\n    var clearAll = function() {\n        setEventId(null);\n        setDurationDays(null);\n        setMinTimestart(null);\n        setMaxTimestart(null);\n        setMinError(null);\n        setMaxError(null);\n    };\n\n    return {\n        setEventId: setEventId,\n        getEventId: getEventId,\n        hasEventId: hasEventId,\n        setDurationDays: setDurationDays,\n        getDurationDays: getDurationDays,\n        setMinTimestart: setMinTimestart,\n        getMinTimestart: getMinTimestart,\n        hasMinTimestart: hasMinTimestart,\n        setMaxTimestart: setMaxTimestart,\n        getMaxTimestart: getMaxTimestart,\n        hasMaxTimestart: hasMaxTimestart,\n        setMinError: setMinError,\n        getMinError: getMinError,\n        setMaxError: setMaxError,\n        getMaxError: getMaxError,\n        clearAll: clearAll\n    };\n});\n"],"file":"drag_drop_data_store.min.js"}
\ No newline at end of file
+{"version":3,"file":"drag_drop_data_store.min.js","sources":["../src/drag_drop_data_store.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to store calendar drag and drop data.\n *\n * This module is unfortunately required because of the limitations\n * of the HTML5 drag and drop API and it's ability to provide data\n * between the different stages of the drag/drop lifecycle.\n *\n * @module     core_calendar/drag_drop_data_store\n * @package    core_calendar\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    /* @var {int|null} eventId The id of the event being dragged */\n    var eventId = null;\n    /* @var {int|null} durationDays How many days the event spans */\n    var durationDays = null;\n    /* @var {int|null} minTimestart The earliest valid timestart */\n    var minTimestart = null;\n    /* @var {int|null} maxTimestart The latest valid tiemstart */\n    var maxTimestart = null;\n    /* @var {string|null} minError Error message for min timestamp violation */\n    var minError = null;\n    /* @var {string|null} maxError Error message for max timestamp violation */\n    var maxError = null;\n\n    /**\n     * Store the id of the event being dragged.\n     *\n     * @param {int} id The event id\n     */\n    var setEventId = function(id) {\n        eventId = id;\n    };\n\n    /**\n     * Get the stored event id.\n     *\n     * @return {int|null}\n     */\n    var getEventId = function() {\n        return eventId;\n    };\n\n    /**\n     * Check if the store has an event id.\n     *\n     * @return {bool}\n     */\n    var hasEventId = function() {\n        return eventId !== null;\n    };\n\n    /**\n     * Store the duration (in days) of the event being dragged.\n     *\n     * @param {int} days Number of days the event spans\n     */\n    var setDurationDays = function(days) {\n        durationDays = days;\n    };\n\n    /**\n     * Get the stored number of days.\n     *\n     * @return {int|null}\n     */\n    var getDurationDays = function() {\n        return durationDays;\n    };\n\n    /**\n     * Store the minimum timestart valid for an event being dragged.\n     *\n     * @param {int} timestamp The unix timstamp\n     */\n    var setMinTimestart = function(timestamp) {\n        minTimestart = timestamp;\n    };\n\n    /**\n     * Get the minimum valid timestart.\n     *\n     * @return {int|null}\n     */\n    var getMinTimestart = function() {\n        return minTimestart;\n    };\n\n    /**\n     * Check if a minimum timestamp is set.\n     *\n     * @return {bool}\n     */\n    var hasMinTimestart = function() {\n        return minTimestart !== null;\n    };\n\n    /**\n     * Store the maximum timestart valid for an event being dragged.\n     *\n     * @param {int} timestamp The unix timstamp\n     */\n    var setMaxTimestart = function(timestamp) {\n        maxTimestart = timestamp;\n    };\n\n    /**\n     * Get the maximum valid timestart.\n     *\n     * @return {int|null}\n     */\n    var getMaxTimestart = function() {\n        return maxTimestart;\n    };\n\n    /**\n     * Check if a maximum timestamp is set.\n     *\n     * @return {bool}\n     */\n    var hasMaxTimestart = function() {\n        return maxTimestart !== null;\n    };\n\n    /**\n     * Store the error string to display if trying to drag an event\n     * earlier than the minimum allowed date.\n     *\n     * @param {string} message The error message\n     */\n    var setMinError = function(message) {\n        minError = message;\n    };\n\n    /**\n     * Get the error message for a minimum time start violation.\n     *\n     * @return {string|null}\n     */\n    var getMinError = function() {\n        return minError;\n    };\n\n    /**\n     * Store the error string to display if trying to drag an event\n     * later than the maximum allowed date.\n     *\n     * @param {string} message The error message\n     */\n    var setMaxError = function(message) {\n        maxError = message;\n    };\n\n    /**\n     * Get the error message for a maximum time start violation.\n     *\n     * @return {string|null}\n     */\n    var getMaxError = function() {\n        return maxError;\n    };\n\n    /**\n     * Reset all of the stored values.\n     */\n    var clearAll = function() {\n        setEventId(null);\n        setDurationDays(null);\n        setMinTimestart(null);\n        setMaxTimestart(null);\n        setMinError(null);\n        setMaxError(null);\n    };\n\n    return {\n        setEventId: setEventId,\n        getEventId: getEventId,\n        hasEventId: hasEventId,\n        setDurationDays: setDurationDays,\n        getDurationDays: getDurationDays,\n        setMinTimestart: setMinTimestart,\n        getMinTimestart: getMinTimestart,\n        hasMinTimestart: hasMinTimestart,\n        setMaxTimestart: setMaxTimestart,\n        getMaxTimestart: getMaxTimestart,\n        hasMaxTimestart: hasMaxTimestart,\n        setMinError: setMinError,\n        getMinError: getMinError,\n        setMaxError: setMaxError,\n        getMaxError: getMaxError,\n        clearAll: clearAll\n    };\n});\n"],"names":["define","eventId","durationDays","minTimestart","maxTimestart","minError","maxError","setEventId","id","setDurationDays","days","setMinTimestart","timestamp","setMaxTimestart","setMinError","message","setMaxError","getEventId","hasEventId","getDurationDays","getMinTimestart","hasMinTimestart","getMaxTimestart","hasMaxTimestart","getMinError","getMaxError","clearAll"],"mappings":";;;;;;;;;;;;AA2BAA,4CAAO,IAAI,eAEHC,QAAU,KAEVC,aAAe,KAEfC,aAAe,KAEfC,aAAe,KAEfC,SAAW,KAEXC,SAAW,KAOXC,WAAa,SAASC,IACtBP,QAAUO,IA0BVC,gBAAkB,SAASC,MAC3BR,aAAeQ,MAiBfC,gBAAkB,SAASC,WAC3BT,aAAeS,WA0BfC,gBAAkB,SAASD,WAC3BR,aAAeQ,WA2BfE,YAAc,SAASC,SACvBV,SAAWU,SAkBXC,YAAc,SAASD,SACvBT,SAAWS,eAwBR,CACHR,WAAYA,WACZU,WAzIa,kBACNhB,SAyIPiB,WAjIa,kBACM,OAAZjB,SAiIPQ,gBAAiBA,gBACjBU,gBAjHkB,kBACXjB,cAiHPS,gBAAiBA,gBACjBS,gBAjGkB,kBACXjB,cAiGPkB,gBAzFkB,kBACM,OAAjBlB,cAyFPU,gBAAiBA,gBACjBS,gBAzEkB,kBACXlB,cAyEPmB,gBAjEkB,kBACM,OAAjBnB,cAiEPU,YAAaA,YACbU,YAhDc,kBACPnB,UAgDPW,YAAaA,YACbS,YA/Bc,kBACPnB,UA+BPoB,SAzBW,WACXnB,WAAW,MACXE,gBAAgB,MAChBE,gBAAgB,MAChBE,gBAAgB,MAChBC,YAAY,MACZE,YAAY"}
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diff --git a/calendar/amd/build/event_form.min.js b/calendar/amd/build/event_form.min.js
index 5f3070cca33..588703be165 100644
--- a/calendar/amd/build/event_form.min.js
+++ b/calendar/amd/build/event_form.min.js
@@ -1,2 +1,11 @@
-define ("core_calendar/event_form",["jquery","core_calendar/repository"],function(a,b){var c={EVENT_GROUP_COURSE_ID:"[name=\"groupcourseid\"]",EVENT_GROUP_ID:"[name=\"groupid\"]",SELECT_OPTION:"option"},d=function(d){var e=d.find(c.EVENT_GROUP_COURSE_ID),f=function(b){var e=d.find(c.EVENT_GROUP_ID),f=e.find(c.SELECT_OPTION),g=a(b);f.remove();e.prop("disabled",!1);g.each(function(b,c){a(e).append(a("<option></option>").attr("value",c.id).text(c.name))})};e.on("change",function(){var a=d.find(c.EVENT_GROUP_COURSE_ID).val();b.getCourseGroupsData(a).then(function(a){return f(a)}).catch(Notification.exception)})};return{init:function init(b){var c=a("#"+b);d(c)}}});
-//# sourceMappingURL=event_form.min.js.map
+/**
+ * A javascript module to enhance the event form.
+ *
+ * @module     core_calendar/event_form
+ * @package    core_calendar
+ * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/event_form",["jquery","core_calendar/repository"],(function($,CalendarRepository){var SELECTORS_EVENT_GROUP_COURSE_ID='[name="groupcourseid"]',SELECTORS_EVENT_GROUP_ID='[name="groupid"]',SELECTORS_SELECT_OPTION="option",addCourseGroupSelectListeners=function(formElement){var courseGroupSelect=formElement.find(SELECTORS_EVENT_GROUP_COURSE_ID);courseGroupSelect.on("change",(function(){var courseId=formElement.find(SELECTORS_EVENT_GROUP_COURSE_ID).val();CalendarRepository.getCourseGroupsData(courseId).then((function(groups){return function(groups){var groupSelect=formElement.find(SELECTORS_EVENT_GROUP_ID),groupSelectOptions=groupSelect.find(SELECTORS_SELECT_OPTION),courseGroups=$(groups);groupSelectOptions.remove(),groupSelect.prop("disabled",!1),courseGroups.each((function(id,group){$(groupSelect).append($("<option></option>").attr("value",group.id).text(group.name))}))}(groups)})).catch(Notification.exception)}))};return{init:function(formId){var formElement=$("#"+formId);addCourseGroupSelectListeners(formElement)}}}));
+
+//# sourceMappingURL=event_form.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/event_form.min.js.map b/calendar/amd/build/event_form.min.js.map
index 32d3877390e..0d216e05484 100644
--- a/calendar/amd/build/event_form.min.js.map
+++ b/calendar/amd/build/event_form.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/event_form.js"],"names":["define","$","CalendarRepository","SELECTORS","EVENT_GROUP_COURSE_ID","EVENT_GROUP_ID","SELECT_OPTION","addCourseGroupSelectListeners","formElement","courseGroupSelect","find","loadGroupSelectOptions","groups","groupSelect","groupSelectOptions","courseGroups","remove","prop","each","id","group","append","attr","text","name","on","courseId","val","getCourseGroupsData","then","catch","Notification","exception","init","formId"],"mappings":"AAuBAA,OAAM,4BAAC,CAAC,QAAD,CAAW,0BAAX,CAAD,CAAyC,SAASC,CAAT,CAAYC,CAAZ,CAAgC,IAEvEC,CAAAA,CAAS,CAAG,CACZC,qBAAqB,CAAE,0BADX,CAEZC,cAAc,CAAE,oBAFJ,CAGZC,aAAa,CAAE,QAHH,CAF2D,CAgBvEC,CAA6B,CAAG,SAASC,CAAT,CAAsB,IAClDC,CAAAA,CAAiB,CAAGD,CAAW,CAACE,IAAZ,CAAiBP,CAAS,CAACC,qBAA3B,CAD8B,CAGlDO,CAAsB,CAAG,SAASC,CAAT,CAAiB,CAC1C,GAAIC,CAAAA,CAAW,CAAGL,CAAW,CAACE,IAAZ,CAAiBP,CAAS,CAACE,cAA3B,CAAlB,CACIS,CAAkB,CAAGD,CAAW,CAACH,IAAZ,CAAiBP,CAAS,CAACG,aAA3B,CADzB,CAEIS,CAAY,CAAGd,CAAC,CAACW,CAAD,CAFpB,CAKAE,CAAkB,CAACE,MAAnB,GACAH,CAAW,CAACI,IAAZ,CAAiB,UAAjB,KACAF,CAAY,CAACG,IAAb,CAAkB,SAASC,CAAT,CAAaC,CAAb,CAAoB,CAClCnB,CAAC,CAACY,CAAD,CAAD,CAAeQ,MAAf,CAAsBpB,CAAC,CAAC,mBAAD,CAAD,CAAuBqB,IAAvB,CAA4B,OAA5B,CAAqCF,CAAK,CAACD,EAA3C,EAA+CI,IAA/C,CAAoDH,CAAK,CAACI,IAA1D,CAAtB,CACH,CAFD,CAGH,CAdqD,CAiBtDf,CAAiB,CAACgB,EAAlB,CAAqB,QAArB,CAA+B,UAAW,CACtC,GAAIC,CAAAA,CAAQ,CAAGlB,CAAW,CAACE,IAAZ,CAAiBP,CAAS,CAACC,qBAA3B,EAAkDuB,GAAlD,EAAf,CACAzB,CAAkB,CAAC0B,mBAAnB,CAAuCF,CAAvC,EACKG,IADL,CACU,SAASjB,CAAT,CAAiB,CACnB,MAAOD,CAAAA,CAAsB,CAACC,CAAD,CAChC,CAHL,EAIKkB,KAJL,CAIWC,YAAY,CAACC,SAJxB,CAKH,CAPD,CAQH,CAzC0E,CAsD3E,MAAO,CACHC,IAAI,CANG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAiB,CACxB,GAAI1B,CAAAA,CAAW,CAAGP,CAAC,CAAC,IAAMiC,CAAP,CAAnB,CACA3B,CAA6B,CAACC,CAAD,CAChC,CAEM,CAGV,CAzDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to enhance the event form.\n *\n * @module     core_calendar/event_form\n * @package    core_calendar\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core_calendar/repository'], function($, CalendarRepository) {\n\n    var SELECTORS = {\n        EVENT_GROUP_COURSE_ID: '[name=\"groupcourseid\"]',\n        EVENT_GROUP_ID: '[name=\"groupid\"]',\n        SELECT_OPTION: 'option'\n    };\n\n    /**\n     * Listen for when the user changes the group course when configuring\n     * a group event and filter the options in the group select to only\n     * show the groups available within the course the user has selected.\n     *\n     * @method addCourseGroupSelectListeners\n     * @param {object} formElement The root form element\n     */\n    var addCourseGroupSelectListeners = function(formElement) {\n        var courseGroupSelect = formElement.find(SELECTORS.EVENT_GROUP_COURSE_ID);\n\n        var loadGroupSelectOptions = function(groups) {\n            var groupSelect = formElement.find(SELECTORS.EVENT_GROUP_ID),\n                groupSelectOptions = groupSelect.find(SELECTORS.SELECT_OPTION),\n                courseGroups = $(groups);\n\n            // Let's clear all options first.\n            groupSelectOptions.remove();\n            groupSelect.prop(\"disabled\", false);\n            courseGroups.each(function(id, group) {\n                $(groupSelect).append($(\"<option></option>\").attr(\"value\", group.id).text(group.name));\n            });\n        };\n\n        // If the user choose a course in the selector do a WS request to get groups.\n        courseGroupSelect.on('change', function() {\n            var courseId = formElement.find(SELECTORS.EVENT_GROUP_COURSE_ID).val();\n            CalendarRepository.getCourseGroupsData(courseId)\n                .then(function(groups) {\n                    return loadGroupSelectOptions(groups);\n                })\n                .catch(Notification.exception);\n        });\n    };\n\n    /**\n     * Initialise all of the form enhancements.\n     *\n     * @method init\n     * @param {string} formId The value of the form's id attribute\n     */\n    var init = function(formId) {\n        var formElement = $('#' + formId);\n        addCourseGroupSelectListeners(formElement);\n    };\n\n    return {\n        init: init,\n    };\n});\n"],"file":"event_form.min.js"}
\ No newline at end of file
+{"version":3,"file":"event_form.min.js","sources":["../src/event_form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to enhance the event form.\n *\n * @module     core_calendar/event_form\n * @package    core_calendar\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core_calendar/repository'], function($, CalendarRepository) {\n\n    var SELECTORS = {\n        EVENT_GROUP_COURSE_ID: '[name=\"groupcourseid\"]',\n        EVENT_GROUP_ID: '[name=\"groupid\"]',\n        SELECT_OPTION: 'option'\n    };\n\n    /**\n     * Listen for when the user changes the group course when configuring\n     * a group event and filter the options in the group select to only\n     * show the groups available within the course the user has selected.\n     *\n     * @method addCourseGroupSelectListeners\n     * @param {object} formElement The root form element\n     */\n    var addCourseGroupSelectListeners = function(formElement) {\n        var courseGroupSelect = formElement.find(SELECTORS.EVENT_GROUP_COURSE_ID);\n\n        var loadGroupSelectOptions = function(groups) {\n            var groupSelect = formElement.find(SELECTORS.EVENT_GROUP_ID),\n                groupSelectOptions = groupSelect.find(SELECTORS.SELECT_OPTION),\n                courseGroups = $(groups);\n\n            // Let's clear all options first.\n            groupSelectOptions.remove();\n            groupSelect.prop(\"disabled\", false);\n            courseGroups.each(function(id, group) {\n                $(groupSelect).append($(\"<option></option>\").attr(\"value\", group.id).text(group.name));\n            });\n        };\n\n        // If the user choose a course in the selector do a WS request to get groups.\n        courseGroupSelect.on('change', function() {\n            var courseId = formElement.find(SELECTORS.EVENT_GROUP_COURSE_ID).val();\n            CalendarRepository.getCourseGroupsData(courseId)\n                .then(function(groups) {\n                    return loadGroupSelectOptions(groups);\n                })\n                .catch(Notification.exception);\n        });\n    };\n\n    /**\n     * Initialise all of the form enhancements.\n     *\n     * @method init\n     * @param {string} formId The value of the form's id attribute\n     */\n    var init = function(formId) {\n        var formElement = $('#' + formId);\n        addCourseGroupSelectListeners(formElement);\n    };\n\n    return {\n        init: init,\n    };\n});\n"],"names":["define","$","CalendarRepository","SELECTORS","addCourseGroupSelectListeners","formElement","courseGroupSelect","find","on","courseId","val","getCourseGroupsData","then","groups","groupSelect","groupSelectOptions","courseGroups","remove","prop","each","id","group","append","attr","text","name","loadGroupSelectOptions","catch","Notification","exception","init","formId"],"mappings":";;;;;;;;AAuBAA,kCAAO,CAAC,SAAU,6BAA6B,SAASC,EAAGC,wBAEnDC,gCACuB,yBADvBA,yBAEgB,mBAFhBA,wBAGe,SAWfC,8BAAgC,SAASC,iBACrCC,kBAAoBD,YAAYE,KAAKJ,iCAgBzCG,kBAAkBE,GAAG,UAAU,eACvBC,SAAWJ,YAAYE,KAAKJ,iCAAiCO,MACjER,mBAAmBS,oBAAoBF,UAClCG,MAAK,SAASC,eAjBM,SAASA,YAC9BC,YAAcT,YAAYE,KAAKJ,0BAC/BY,mBAAqBD,YAAYP,KAAKJ,yBACtCa,aAAef,EAAEY,QAGrBE,mBAAmBE,SACnBH,YAAYI,KAAK,YAAY,GAC7BF,aAAaG,MAAK,SAASC,GAAIC,OAC3BpB,EAAEa,aAAaQ,OAAOrB,EAAE,qBAAqBsB,KAAK,QAASF,MAAMD,IAAII,KAAKH,MAAMI,UASrEC,CAAuBb,WAEjCc,MAAMC,aAAaC,qBAezB,CACHC,KANO,SAASC,YACZ1B,YAAcJ,EAAE,IAAM8B,QAC1B3B,8BAA8BC"}
\ No newline at end of file
diff --git a/calendar/amd/build/events.min.js b/calendar/amd/build/events.min.js
index 31340813bdc..969ac4c5fb2 100644
--- a/calendar/amd/build/events.min.js
+++ b/calendar/amd/build/events.min.js
@@ -1,2 +1,12 @@
-define ("core_calendar/events",[],function(){return{created:"calendar-events:created",deleted:"calendar-events:deleted",deleteAll:"calendar-events:delete_all",updated:"calendar-events:updated",editEvent:"calendar-events:edit_event",editActionEvent:"calendar-events:edit_action_event",eventMoved:"calendar-events:event_moved",dayChanged:"calendar-events:day_changed",monthChanged:"calendar-events:month_changed",moveEvent:"calendar-events:move_event",filterChanged:"calendar-events:filter_changed",viewUpdated:"calendar-events:view_updated"}});
-//# sourceMappingURL=events.min.js.map
+/**
+ * Contain the events the calendar component can fire.
+ *
+ * @module     core_calendar/events
+ * @class      calendar_events
+ * @package    core_calendar
+ * @copyright  2017 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/events",[],(function(){return{created:"calendar-events:created",deleted:"calendar-events:deleted",deleteAll:"calendar-events:delete_all",updated:"calendar-events:updated",editEvent:"calendar-events:edit_event",editActionEvent:"calendar-events:edit_action_event",eventMoved:"calendar-events:event_moved",dayChanged:"calendar-events:day_changed",monthChanged:"calendar-events:month_changed",moveEvent:"calendar-events:move_event",filterChanged:"calendar-events:filter_changed",viewUpdated:"calendar-events:view_updated"}}));
+
+//# sourceMappingURL=events.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/events.min.js.map b/calendar/amd/build/events.min.js.map
index e3efce1d56f..d61ee4f4e4a 100644
--- a/calendar/amd/build/events.min.js.map
+++ b/calendar/amd/build/events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/events.js"],"names":["define","created","deleted","deleteAll","updated","editEvent","editActionEvent","eventMoved","dayChanged","monthChanged","moveEvent","filterChanged","viewUpdated"],"mappings":"AAwBAA,OAAM,wBAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,OAAO,CAAE,yBADN,CAEHC,OAAO,CAAE,yBAFN,CAGHC,SAAS,CAAE,4BAHR,CAIHC,OAAO,CAAE,yBAJN,CAKHC,SAAS,CAAE,4BALR,CAMHC,eAAe,CAAE,mCANd,CAOHC,UAAU,CAAE,6BAPT,CAQHC,UAAU,CAAE,6BART,CASHC,YAAY,CAAE,+BATX,CAUHC,SAAS,CAAE,4BAVR,CAWHC,aAAa,CAAE,gCAXZ,CAYHC,WAAW,CAAE,8BAZV,CAcV,CAfK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events the calendar component can fire.\n *\n * @module     core_calendar/events\n * @class      calendar_events\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        created: 'calendar-events:created',\n        deleted: 'calendar-events:deleted',\n        deleteAll: 'calendar-events:delete_all',\n        updated: 'calendar-events:updated',\n        editEvent: 'calendar-events:edit_event',\n        editActionEvent: 'calendar-events:edit_action_event',\n        eventMoved: 'calendar-events:event_moved',\n        dayChanged: 'calendar-events:day_changed',\n        monthChanged: 'calendar-events:month_changed',\n        moveEvent: 'calendar-events:move_event',\n        filterChanged: 'calendar-events:filter_changed',\n        viewUpdated: 'calendar-events:view_updated',\n    };\n});\n"],"file":"events.min.js"}
\ No newline at end of file
+{"version":3,"file":"events.min.js","sources":["../src/events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events the calendar component can fire.\n *\n * @module     core_calendar/events\n * @class      calendar_events\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        created: 'calendar-events:created',\n        deleted: 'calendar-events:deleted',\n        deleteAll: 'calendar-events:delete_all',\n        updated: 'calendar-events:updated',\n        editEvent: 'calendar-events:edit_event',\n        editActionEvent: 'calendar-events:edit_action_event',\n        eventMoved: 'calendar-events:event_moved',\n        dayChanged: 'calendar-events:day_changed',\n        monthChanged: 'calendar-events:month_changed',\n        moveEvent: 'calendar-events:move_event',\n        filterChanged: 'calendar-events:filter_changed',\n        viewUpdated: 'calendar-events:view_updated',\n    };\n});\n"],"names":["define","created","deleted","deleteAll","updated","editEvent","editActionEvent","eventMoved","dayChanged","monthChanged","moveEvent","filterChanged","viewUpdated"],"mappings":";;;;;;;;;AAwBAA,8BAAO,IAAI,iBACA,CACHC,QAAS,0BACTC,QAAS,0BACTC,UAAW,6BACXC,QAAS,0BACTC,UAAW,6BACXC,gBAAiB,oCACjBC,WAAY,8BACZC,WAAY,8BACZC,aAAc,gCACdC,UAAW,6BACXC,cAAe,iCACfC,YAAa"}
\ No newline at end of file
diff --git a/calendar/amd/build/modal_delete.min.js b/calendar/amd/build/modal_delete.min.js
index 77dbc028a3a..d860f281438 100644
--- a/calendar/amd/build/modal_delete.min.js
+++ b/calendar/amd/build/modal_delete.min.js
@@ -1,2 +1,12 @@
-define ("core_calendar/modal_delete",["jquery","core/notification","core/custom_interaction_events","core/modal","core/modal_events","core/modal_registry","core_calendar/events"],function(a,b,c,d,f,g,h){var i=!1,j={DELETE_ONE_BUTTON:"[data-action=\"deleteone\"]",DELETE_ALL_BUTTON:"[data-action=\"deleteall\"]",CANCEL_BUTTON:"[data-action=\"cancel\"]"},k=function(a){d.call(this,a);this.setRemoveOnClose(!0)};k.TYPE="core_calendar-modal_delete";k.prototype=Object.create(d.prototype);k.prototype.constructor=k;k.prototype.registerEventListeners=function(){d.prototype.registerEventListeners.call(this);this.getModal().on(c.events.activate,j.DELETE_ONE_BUTTON,function(b,c){var d=a.Event(f.save);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){this.hide();c.originalEvent.preventDefault()}}.bind(this));this.getModal().on(c.events.activate,j.DELETE_ALL_BUTTON,function(b,c){var d=a.Event(h.deleteAll);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){this.hide();c.originalEvent.preventDefault()}}.bind(this));this.getModal().on(c.events.activate,j.CANCEL_BUTTON,function(b,c){var d=a.Event(f.cancel);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){this.hide();c.originalEvent.preventDefault()}}.bind(this))};if(!i){g.register(k.TYPE,k,"calendar/event_delete_modal");i=!0}return k});
-//# sourceMappingURL=modal_delete.min.js.map
+/**
+ * Contain the logic for the save/cancel modal.
+ *
+ * @module     core_calendar/modal_delete
+ * @class      modal_delete
+ * @package    core_calendar
+ * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/modal_delete",["jquery","core/notification","core/custom_interaction_events","core/modal","core/modal_events","core/modal_registry","core_calendar/events"],(function($,Notification,CustomEvents,Modal,ModalEvents,ModalRegistry,CalendarEvents){var registered=!1,SELECTORS_DELETE_ONE_BUTTON='[data-action="deleteone"]',SELECTORS_DELETE_ALL_BUTTON='[data-action="deleteall"]',SELECTORS_CANCEL_BUTTON='[data-action="cancel"]',ModalDelete=function(root){Modal.call(this,root),this.setRemoveOnClose(!0)};return ModalDelete.TYPE="core_calendar-modal_delete",(ModalDelete.prototype=Object.create(Modal.prototype)).constructor=ModalDelete,ModalDelete.prototype.registerEventListeners=function(){Modal.prototype.registerEventListeners.call(this),this.getModal().on(CustomEvents.events.activate,SELECTORS_DELETE_ONE_BUTTON,function(e,data){var saveEvent=$.Event(ModalEvents.save);this.getRoot().trigger(saveEvent,this),saveEvent.isDefaultPrevented()||(this.hide(),data.originalEvent.preventDefault())}.bind(this)),this.getModal().on(CustomEvents.events.activate,SELECTORS_DELETE_ALL_BUTTON,function(e,data){var saveEvent=$.Event(CalendarEvents.deleteAll);this.getRoot().trigger(saveEvent,this),saveEvent.isDefaultPrevented()||(this.hide(),data.originalEvent.preventDefault())}.bind(this)),this.getModal().on(CustomEvents.events.activate,SELECTORS_CANCEL_BUTTON,function(e,data){var cancelEvent=$.Event(ModalEvents.cancel);this.getRoot().trigger(cancelEvent,this),cancelEvent.isDefaultPrevented()||(this.hide(),data.originalEvent.preventDefault())}.bind(this))},registered||(ModalRegistry.register(ModalDelete.TYPE,ModalDelete,"calendar/event_delete_modal"),registered=!0),ModalDelete}));
+
+//# sourceMappingURL=modal_delete.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/modal_delete.min.js.map b/calendar/amd/build/modal_delete.min.js.map
index 090c326af6b..a6c7239cb88 100644
--- a/calendar/amd/build/modal_delete.min.js.map
+++ b/calendar/amd/build/modal_delete.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/modal_delete.js"],"names":["define","$","Notification","CustomEvents","Modal","ModalEvents","ModalRegistry","CalendarEvents","registered","SELECTORS","DELETE_ONE_BUTTON","DELETE_ALL_BUTTON","CANCEL_BUTTON","ModalDelete","root","call","setRemoveOnClose","TYPE","prototype","Object","create","constructor","registerEventListeners","getModal","on","events","activate","e","data","saveEvent","Event","save","getRoot","trigger","isDefaultPrevented","hide","originalEvent","preventDefault","bind","deleteAll","cancelEvent","cancel","register"],"mappings":"AAwBAA,OAAM,8BAAC,CACH,QADG,CAEH,mBAFG,CAGH,gCAHG,CAIH,YAJG,CAKH,mBALG,CAMH,qBANG,CAOH,sBAPG,CAAD,CASN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAMIC,CANJ,CAOIC,CAPJ,CAQE,IAEMC,CAAAA,CAAU,GAFhB,CAGMC,CAAS,CAAG,CACZC,iBAAiB,CAAE,6BADP,CAEZC,iBAAiB,CAAE,6BAFP,CAGZC,aAAa,CAAE,0BAHH,CAHlB,CAcMC,CAAW,CAAG,SAASC,CAAT,CAAe,CAC7BV,CAAK,CAACW,IAAN,CAAW,IAAX,CAAiBD,CAAjB,EAEA,KAAKE,gBAAL,IACH,CAlBH,CAoBEH,CAAW,CAACI,IAAZ,CAAmB,4BAAnB,CACAJ,CAAW,CAACK,SAAZ,CAAwBC,MAAM,CAACC,MAAP,CAAchB,CAAK,CAACc,SAApB,CAAxB,CACAL,CAAW,CAACK,SAAZ,CAAsBG,WAAtB,CAAoCR,CAApC,CAOAA,CAAW,CAACK,SAAZ,CAAsBI,sBAAtB,CAA+C,UAAW,CAEtDlB,CAAK,CAACc,SAAN,CAAgBI,sBAAhB,CAAuCP,IAAvC,CAA4C,IAA5C,EAEA,KAAKQ,QAAL,GAAgBC,EAAhB,CAAmBrB,CAAY,CAACsB,MAAb,CAAoBC,QAAvC,CAAiDjB,CAAS,CAACC,iBAA3D,CAA8E,SAASiB,CAAT,CAAYC,CAAZ,CAAkB,CAC5F,GAAIC,CAAAA,CAAS,CAAG5B,CAAC,CAAC6B,KAAF,CAAQzB,CAAW,CAAC0B,IAApB,CAAhB,CACA,KAAKC,OAAL,GAAeC,OAAf,CAAuBJ,CAAvB,CAAkC,IAAlC,EAEA,GAAI,CAACA,CAAS,CAACK,kBAAV,EAAL,CAAqC,CACjC,KAAKC,IAAL,GACAP,CAAI,CAACQ,aAAL,CAAmBC,cAAnB,EACH,CACJ,CAR6E,CAQ5EC,IAR4E,CAQvE,IARuE,CAA9E,EAUA,KAAKf,QAAL,GAAgBC,EAAhB,CAAmBrB,CAAY,CAACsB,MAAb,CAAoBC,QAAvC,CAAiDjB,CAAS,CAACE,iBAA3D,CAA8E,SAASgB,CAAT,CAAYC,CAAZ,CAAkB,CAC5F,GAAIC,CAAAA,CAAS,CAAG5B,CAAC,CAAC6B,KAAF,CAAQvB,CAAc,CAACgC,SAAvB,CAAhB,CACA,KAAKP,OAAL,GAAeC,OAAf,CAAuBJ,CAAvB,CAAkC,IAAlC,EAEA,GAAI,CAACA,CAAS,CAACK,kBAAV,EAAL,CAAqC,CACjC,KAAKC,IAAL,GACAP,CAAI,CAACQ,aAAL,CAAmBC,cAAnB,EACH,CACJ,CAR6E,CAQ5EC,IAR4E,CAQvE,IARuE,CAA9E,EAUA,KAAKf,QAAL,GAAgBC,EAAhB,CAAmBrB,CAAY,CAACsB,MAAb,CAAoBC,QAAvC,CAAiDjB,CAAS,CAACG,aAA3D,CAA0E,SAASe,CAAT,CAAYC,CAAZ,CAAkB,CACxF,GAAIY,CAAAA,CAAW,CAAGvC,CAAC,CAAC6B,KAAF,CAAQzB,CAAW,CAACoC,MAApB,CAAlB,CACA,KAAKT,OAAL,GAAeC,OAAf,CAAuBO,CAAvB,CAAoC,IAApC,EAEA,GAAI,CAACA,CAAW,CAACN,kBAAZ,EAAL,CAAuC,CACnC,KAAKC,IAAL,GACAP,CAAI,CAACQ,aAAL,CAAmBC,cAAnB,EACH,CACJ,CARyE,CAQxEC,IARwE,CAQnE,IARmE,CAA1E,CASH,CAjCD,CAqCA,GAAI,CAAC9B,CAAL,CAAiB,CACbF,CAAa,CAACoC,QAAd,CAAuB7B,CAAW,CAACI,IAAnC,CAAyCJ,CAAzC,CAAsD,6BAAtD,EACAL,CAAU,GACb,CAED,MAAOK,CAAAA,CACV,CAzFK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the save/cancel modal.\n *\n * @module     core_calendar/modal_delete\n * @class      modal_delete\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/notification',\n    'core/custom_interaction_events',\n    'core/modal',\n    'core/modal_events',\n    'core/modal_registry',\n    'core_calendar/events',\n],\nfunction(\n    $,\n    Notification,\n    CustomEvents,\n    Modal,\n    ModalEvents,\n    ModalRegistry,\n    CalendarEvents\n) {\n\n    var registered = false;\n    var SELECTORS = {\n        DELETE_ONE_BUTTON: '[data-action=\"deleteone\"]',\n        DELETE_ALL_BUTTON: '[data-action=\"deleteall\"]',\n        CANCEL_BUTTON: '[data-action=\"cancel\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalDelete = function(root) {\n        Modal.call(this, root);\n\n        this.setRemoveOnClose(true);\n    };\n\n    ModalDelete.TYPE = 'core_calendar-modal_delete';\n    ModalDelete.prototype = Object.create(Modal.prototype);\n    ModalDelete.prototype.constructor = ModalDelete;\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    ModalDelete.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.DELETE_ONE_BUTTON, function(e, data) {\n            var saveEvent = $.Event(ModalEvents.save);\n            this.getRoot().trigger(saveEvent, this);\n\n            if (!saveEvent.isDefaultPrevented()) {\n                this.hide();\n                data.originalEvent.preventDefault();\n            }\n        }.bind(this));\n\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.DELETE_ALL_BUTTON, function(e, data) {\n            var saveEvent = $.Event(CalendarEvents.deleteAll);\n            this.getRoot().trigger(saveEvent, this);\n\n            if (!saveEvent.isDefaultPrevented()) {\n                this.hide();\n                data.originalEvent.preventDefault();\n            }\n        }.bind(this));\n\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.CANCEL_BUTTON, function(e, data) {\n            var cancelEvent = $.Event(ModalEvents.cancel);\n            this.getRoot().trigger(cancelEvent, this);\n\n            if (!cancelEvent.isDefaultPrevented()) {\n                this.hide();\n                data.originalEvent.preventDefault();\n            }\n        }.bind(this));\n    };\n\n    // Automatically register with the modal registry the first time this module is imported so that you can create modals\n    // of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(ModalDelete.TYPE, ModalDelete, 'calendar/event_delete_modal');\n        registered = true;\n    }\n\n    return ModalDelete;\n});\n"],"file":"modal_delete.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal_delete.min.js","sources":["../src/modal_delete.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the save/cancel modal.\n *\n * @module     core_calendar/modal_delete\n * @class      modal_delete\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/notification',\n    'core/custom_interaction_events',\n    'core/modal',\n    'core/modal_events',\n    'core/modal_registry',\n    'core_calendar/events',\n],\nfunction(\n    $,\n    Notification,\n    CustomEvents,\n    Modal,\n    ModalEvents,\n    ModalRegistry,\n    CalendarEvents\n) {\n\n    var registered = false;\n    var SELECTORS = {\n        DELETE_ONE_BUTTON: '[data-action=\"deleteone\"]',\n        DELETE_ALL_BUTTON: '[data-action=\"deleteall\"]',\n        CANCEL_BUTTON: '[data-action=\"cancel\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalDelete = function(root) {\n        Modal.call(this, root);\n\n        this.setRemoveOnClose(true);\n    };\n\n    ModalDelete.TYPE = 'core_calendar-modal_delete';\n    ModalDelete.prototype = Object.create(Modal.prototype);\n    ModalDelete.prototype.constructor = ModalDelete;\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    ModalDelete.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.DELETE_ONE_BUTTON, function(e, data) {\n            var saveEvent = $.Event(ModalEvents.save);\n            this.getRoot().trigger(saveEvent, this);\n\n            if (!saveEvent.isDefaultPrevented()) {\n                this.hide();\n                data.originalEvent.preventDefault();\n            }\n        }.bind(this));\n\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.DELETE_ALL_BUTTON, function(e, data) {\n            var saveEvent = $.Event(CalendarEvents.deleteAll);\n            this.getRoot().trigger(saveEvent, this);\n\n            if (!saveEvent.isDefaultPrevented()) {\n                this.hide();\n                data.originalEvent.preventDefault();\n            }\n        }.bind(this));\n\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.CANCEL_BUTTON, function(e, data) {\n            var cancelEvent = $.Event(ModalEvents.cancel);\n            this.getRoot().trigger(cancelEvent, this);\n\n            if (!cancelEvent.isDefaultPrevented()) {\n                this.hide();\n                data.originalEvent.preventDefault();\n            }\n        }.bind(this));\n    };\n\n    // Automatically register with the modal registry the first time this module is imported so that you can create modals\n    // of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(ModalDelete.TYPE, ModalDelete, 'calendar/event_delete_modal');\n        registered = true;\n    }\n\n    return ModalDelete;\n});\n"],"names":["define","$","Notification","CustomEvents","Modal","ModalEvents","ModalRegistry","CalendarEvents","registered","SELECTORS","ModalDelete","root","call","this","setRemoveOnClose","TYPE","prototype","Object","create","constructor","registerEventListeners","getModal","on","events","activate","e","data","saveEvent","Event","save","getRoot","trigger","isDefaultPrevented","hide","originalEvent","preventDefault","bind","deleteAll","cancelEvent","cancel","register"],"mappings":";;;;;;;;;AAwBAA,oCAAO,CACH,SACA,oBACA,iCACA,aACA,oBACA,sBACA,yBAEJ,SACIC,EACAC,aACAC,aACAC,MACAC,YACAC,cACAC,oBAGIC,YAAa,EACbC,4BACmB,4BADnBA,4BAEmB,4BAFnBA,wBAGe,yBAQfC,YAAc,SAASC,MACvBP,MAAMQ,KAAKC,KAAMF,WAEZG,kBAAiB,WAG1BJ,YAAYK,KAAO,8BACnBL,YAAYM,UAAYC,OAAOC,OAAOd,MAAMY,YACtBG,YAAcT,YAOpCA,YAAYM,UAAUI,uBAAyB,WAE3ChB,MAAMY,UAAUI,uBAAuBR,KAAKC,WAEvCQ,WAAWC,GAAGnB,aAAaoB,OAAOC,SAAUf,4BAA6B,SAASgB,EAAGC,UAClFC,UAAY1B,EAAE2B,MAAMvB,YAAYwB,WAC/BC,UAAUC,QAAQJ,UAAWd,MAE7Bc,UAAUK,4BACNC,OACLP,KAAKQ,cAAcC,mBAEzBC,KAAKvB,YAEFQ,WAAWC,GAAGnB,aAAaoB,OAAOC,SAAUf,4BAA6B,SAASgB,EAAGC,UAClFC,UAAY1B,EAAE2B,MAAMrB,eAAe8B,gBAClCP,UAAUC,QAAQJ,UAAWd,MAE7Bc,UAAUK,4BACNC,OACLP,KAAKQ,cAAcC,mBAEzBC,KAAKvB,YAEFQ,WAAWC,GAAGnB,aAAaoB,OAAOC,SAAUf,wBAAyB,SAASgB,EAAGC,UAC9EY,YAAcrC,EAAE2B,MAAMvB,YAAYkC,aACjCT,UAAUC,QAAQO,YAAazB,MAE/ByB,YAAYN,4BACRC,OACLP,KAAKQ,cAAcC,mBAEzBC,KAAKvB,QAKNL,aACDF,cAAckC,SAAS9B,YAAYK,KAAML,YAAa,+BACtDF,YAAa,GAGVE"}
\ No newline at end of file
diff --git a/calendar/amd/build/modal_event_form.min.js b/calendar/amd/build/modal_event_form.min.js
index 334707013c8..02040ae3d68 100644
--- a/calendar/amd/build/modal_event_form.min.js
+++ b/calendar/amd/build/modal_event_form.min.js
@@ -1,2 +1,12 @@
-define ("core_calendar/modal_event_form",["jquery","core/event","core/str","core/notification","core/templates","core/custom_interaction_events","core/modal","core/modal_registry","core/fragment","core_calendar/events","core_calendar/repository"],function(a,b,c,d,e,f,g,h,i,j,k){var l=!1,m={SAVE_BUTTON:"[data-action=\"save\"]",LOADING_ICON_CONTAINER:"[data-region=\"loading-icon-container\"]"},n=function(a){g.call(this,a);this.eventId=null;this.startTime=null;this.courseId=null;this.categoryId=null;this.contextId=null;this.reloadingBody=!1;this.reloadingTitle=!1;this.saveButton=this.getFooter().find(m.SAVE_BUTTON)};n.TYPE="core_calendar-modal_event_form";n.prototype=Object.create(g.prototype);n.prototype.constructor=n;n.prototype.setContextId=function(a){this.contextId=a};n.prototype.getContextId=function(){return this.contextId};n.prototype.setCourseId=function(a){this.courseId=a};n.prototype.getCourseId=function(){return this.courseId};n.prototype.setCategoryId=function(a){this.categoryId=a};n.prototype.getCategoryId=function(){return this.categoryId};n.prototype.hasCourseId=function(){return null!==this.courseId};n.prototype.hasCategoryId=function(){return null!==this.categoryId};n.prototype.setEventId=function(a){this.eventId=a};n.prototype.getEventId=function(){return this.eventId};n.prototype.hasEventId=function(){return null!==this.eventId};n.prototype.setStartTime=function(a){this.startTime=a};n.prototype.getStartTime=function(){return this.startTime};n.prototype.hasStartTime=function(){return null!==this.startTime};n.prototype.getForm=function(){return this.getBody().find("form")};n.prototype.disableButtons=function(){this.saveButton.prop("disabled",!0)};n.prototype.enableButtons=function(){this.saveButton.prop("disabled",!1)};n.prototype.reloadTitleContent=function(){if(this.reloadingTitle){return this.titlePromise}this.reloadingTitle=!0;if(this.hasEventId()){this.titlePromise=c.get_string("editevent","calendar")}else{this.titlePromise=c.get_string("newevent","calendar")}this.titlePromise.then(function(a){this.setTitle(a);return a}.bind(this)).always(function(){this.reloadingTitle=!1}.bind(this)).fail(d.exception);return this.titlePromise};n.prototype.reloadBodyContent=function(a){if(this.reloadingBody){return this.bodyPromise}this.reloadingBody=!0;this.disableButtons();var b={};if(this.hasEventId()){b.eventid=this.getEventId()}if(this.hasStartTime()){b.starttime=this.getStartTime()}if(this.hasCourseId()){b.courseid=this.getCourseId()}if(this.hasCategoryId()){b.categoryid=this.getCategoryId()}if("undefined"!=typeof a){b.formdata=a}this.bodyPromise=i.loadFragment("calendar","event_form",this.getContextId(),b);this.setBody(this.bodyPromise);this.bodyPromise.then(function(){this.enableButtons()}.bind(this)).fail(d.exception).always(function(){this.reloadingBody=!1}.bind(this)).fail(d.exception);return this.bodyPromise};n.prototype.reloadAllContent=function(){return a.when(this.reloadTitleContent(),this.reloadBodyContent())};n.prototype.show=function(){this.reloadAllContent();g.prototype.show.call(this)};n.prototype.hide=function(){g.prototype.hide.call(this);this.setEventId(null);this.setStartTime(null);this.setCourseId(null);this.setCategoryId(null)};n.prototype.getFormData=function(){return this.getForm().serialize()};n.prototype.save=function(){var b,c=this.saveButton.find(m.LOADING_ICON_CONTAINER);b=this.getForm().find("[aria-invalid=\"true\"]");if(b.length){b.first().focus();return}c.removeClass("hidden");this.disableButtons();var e=this.getFormData();return k.submitCreateUpdateForm(e).then(function(b){if(b.validationerror){this.reloadBodyContent(e)}else{var c=this.hasEventId();this.hide();if(c){a("body").trigger(j.updated,[b.event])}else{a("body").trigger(j.created,[b.event])}}}.bind(this)).always(function(){c.addClass("hidden");this.enableButtons()}.bind(this)).fail(d.exception)};n.prototype.registerEventListeners=function(){g.prototype.registerEventListeners.call(this);this.getModal().on(f.events.activate,m.SAVE_BUTTON,function(a,b){this.getForm().submit();b.originalEvent.preventDefault();a.stopPropagation()}.bind(this));this.getModal().on("submit",function(a){b.notifyFormSubmitAjax(this.getForm()[0]);this.save();a.preventDefault();a.stopPropagation()}.bind(this))};if(!l){h.register(n.TYPE,n,"calendar/modal_event_form");l=!0}return n});
-//# sourceMappingURL=modal_event_form.min.js.map
+/**
+ * Contain the logic for the quick add or update event modal.
+ *
+ * @module     calendar/modal_quick_add_event
+ * @class      modal_quick_add_event
+ * @package    core
+ * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/modal_event_form",["jquery","core/event","core/str","core/notification","core/templates","core/custom_interaction_events","core/modal","core/modal_registry","core/fragment","core_calendar/events","core_calendar/repository"],(function($,Event,Str,Notification,Templates,CustomEvents,Modal,ModalRegistry,Fragment,CalendarEvents,Repository){var registered=!1,SELECTORS_SAVE_BUTTON='[data-action="save"]',SELECTORS_LOADING_ICON_CONTAINER='[data-region="loading-icon-container"]',ModalEventForm=function(root){Modal.call(this,root),this.eventId=null,this.startTime=null,this.courseId=null,this.categoryId=null,this.contextId=null,this.reloadingBody=!1,this.reloadingTitle=!1,this.saveButton=this.getFooter().find(SELECTORS_SAVE_BUTTON)};return ModalEventForm.TYPE="core_calendar-modal_event_form",(ModalEventForm.prototype=Object.create(Modal.prototype)).constructor=ModalEventForm,ModalEventForm.prototype.setContextId=function(id){this.contextId=id},ModalEventForm.prototype.getContextId=function(){return this.contextId},ModalEventForm.prototype.setCourseId=function(id){this.courseId=id},ModalEventForm.prototype.getCourseId=function(){return this.courseId},ModalEventForm.prototype.setCategoryId=function(id){this.categoryId=id},ModalEventForm.prototype.getCategoryId=function(){return this.categoryId},ModalEventForm.prototype.hasCourseId=function(){return null!==this.courseId},ModalEventForm.prototype.hasCategoryId=function(){return null!==this.categoryId},ModalEventForm.prototype.setEventId=function(id){this.eventId=id},ModalEventForm.prototype.getEventId=function(){return this.eventId},ModalEventForm.prototype.hasEventId=function(){return null!==this.eventId},ModalEventForm.prototype.setStartTime=function(time){this.startTime=time},ModalEventForm.prototype.getStartTime=function(){return this.startTime},ModalEventForm.prototype.hasStartTime=function(){return null!==this.startTime},ModalEventForm.prototype.getForm=function(){return this.getBody().find("form")},ModalEventForm.prototype.disableButtons=function(){this.saveButton.prop("disabled",!0)},ModalEventForm.prototype.enableButtons=function(){this.saveButton.prop("disabled",!1)},ModalEventForm.prototype.reloadTitleContent=function(){return this.reloadingTitle||(this.reloadingTitle=!0,this.hasEventId()?this.titlePromise=Str.get_string("editevent","calendar"):this.titlePromise=Str.get_string("newevent","calendar"),this.titlePromise.then(function(string){return this.setTitle(string),string}.bind(this)).always(function(){this.reloadingTitle=!1}.bind(this)).fail(Notification.exception)),this.titlePromise},ModalEventForm.prototype.reloadBodyContent=function(formData){if(this.reloadingBody)return this.bodyPromise;this.reloadingBody=!0,this.disableButtons();var args={};return this.hasEventId()&&(args.eventid=this.getEventId()),this.hasStartTime()&&(args.starttime=this.getStartTime()),this.hasCourseId()&&(args.courseid=this.getCourseId()),this.hasCategoryId()&&(args.categoryid=this.getCategoryId()),void 0!==formData&&(args.formdata=formData),this.bodyPromise=Fragment.loadFragment("calendar","event_form",this.getContextId(),args),this.setBody(this.bodyPromise),this.bodyPromise.then(function(){this.enableButtons()}.bind(this)).fail(Notification.exception).always(function(){this.reloadingBody=!1}.bind(this)).fail(Notification.exception),this.bodyPromise},ModalEventForm.prototype.reloadAllContent=function(){return $.when(this.reloadTitleContent(),this.reloadBodyContent())},ModalEventForm.prototype.show=function(){this.reloadAllContent(),Modal.prototype.show.call(this)},ModalEventForm.prototype.hide=function(){Modal.prototype.hide.call(this),this.setEventId(null),this.setStartTime(null),this.setCourseId(null),this.setCategoryId(null)},ModalEventForm.prototype.getFormData=function(){return this.getForm().serialize()},ModalEventForm.prototype.save=function(){var invalid,loadingContainer=this.saveButton.find(SELECTORS_LOADING_ICON_CONTAINER);if(!(invalid=this.getForm().find('[aria-invalid="true"]')).length){loadingContainer.removeClass("hidden"),this.disableButtons();var formData=this.getFormData();return Repository.submitCreateUpdateForm(formData).then(function(response){if(response.validationerror)this.reloadBodyContent(formData);else{var isExisting=this.hasEventId();this.hide(),isExisting?$("body").trigger(CalendarEvents.updated,[response.event]):$("body").trigger(CalendarEvents.created,[response.event])}}.bind(this)).always(function(){loadingContainer.addClass("hidden"),this.enableButtons()}.bind(this)).fail(Notification.exception)}invalid.first().focus()},ModalEventForm.prototype.registerEventListeners=function(){Modal.prototype.registerEventListeners.call(this),this.getModal().on(CustomEvents.events.activate,SELECTORS_SAVE_BUTTON,function(e,data){this.getForm().submit(),data.originalEvent.preventDefault(),e.stopPropagation()}.bind(this)),this.getModal().on("submit",function(e){Event.notifyFormSubmitAjax(this.getForm()[0]),this.save(),e.preventDefault(),e.stopPropagation()}.bind(this))},registered||(ModalRegistry.register(ModalEventForm.TYPE,ModalEventForm,"calendar/modal_event_form"),registered=!0),ModalEventForm}));
+
+//# sourceMappingURL=modal_event_form.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/modal_event_form.min.js.map b/calendar/amd/build/modal_event_form.min.js.map
index 6962097c568..ab1146b523a 100644
--- a/calendar/amd/build/modal_event_form.min.js.map
+++ b/calendar/amd/build/modal_event_form.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the quick add or update event modal.\n *\n * @module     calendar/modal_quick_add_event\n * @class      modal_quick_add_event\n * @package    core\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core/event',\n            'core/str',\n            'core/notification',\n            'core/templates',\n            'core/custom_interaction_events',\n            'core/modal',\n            'core/modal_registry',\n            'core/fragment',\n            'core_calendar/events',\n            'core_calendar/repository'\n        ],\n        function(\n            $,\n            Event,\n            Str,\n            Notification,\n            Templates,\n            CustomEvents,\n            Modal,\n            ModalRegistry,\n            Fragment,\n            CalendarEvents,\n            Repository\n        ) {\n\n    var registered = false;\n    var SELECTORS = {\n        SAVE_BUTTON: '[data-action=\"save\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalEventForm = function(root) {\n        Modal.call(this, root);\n        this.eventId = null;\n        this.startTime = null;\n        this.courseId = null;\n        this.categoryId = null;\n        this.contextId = null;\n        this.reloadingBody = false;\n        this.reloadingTitle = false;\n        this.saveButton = this.getFooter().find(SELECTORS.SAVE_BUTTON);\n    };\n\n    ModalEventForm.TYPE = 'core_calendar-modal_event_form';\n    ModalEventForm.prototype = Object.create(Modal.prototype);\n    ModalEventForm.prototype.constructor = ModalEventForm;\n\n    /**\n     * Set the context id to the given value.\n     *\n     * @method setContextId\n     * @param {Number} id The event id\n     */\n    ModalEventForm.prototype.setContextId = function(id) {\n        this.contextId = id;\n    };\n\n    /**\n     * Retrieve the current context id, if any.\n     *\n     * @method getContextId\n     * @return {Number|null} The event id\n     */\n    ModalEventForm.prototype.getContextId = function() {\n        return this.contextId;\n    };\n\n    /**\n     * Set the course id to the given value.\n     *\n     * @method setCourseId\n     * @param {int} id The event id\n     */\n    ModalEventForm.prototype.setCourseId = function(id) {\n        this.courseId = id;\n    };\n\n    /**\n     * Retrieve the current course id, if any.\n     *\n     * @method getCourseId\n     * @return {int|null} The event id\n     */\n    ModalEventForm.prototype.getCourseId = function() {\n        return this.courseId;\n    };\n\n    /**\n     * Set the category id to the given value.\n     *\n     * @method setCategoryId\n     * @param {int} id The event id\n     */\n    ModalEventForm.prototype.setCategoryId = function(id) {\n        this.categoryId = id;\n    };\n\n    /**\n     * Retrieve the current category id, if any.\n     *\n     * @method getCategoryId\n     * @return {int|null} The event id\n     */\n    ModalEventForm.prototype.getCategoryId = function() {\n        return this.categoryId;\n    };\n\n    /**\n     * Check if the modal has an course id.\n     *\n     * @method hasCourseId\n     * @return {bool}\n     */\n    ModalEventForm.prototype.hasCourseId = function() {\n        return this.courseId !== null;\n    };\n\n    /**\n     * Check if the modal has an category id.\n     *\n     * @method hasCategoryId\n     * @return {bool}\n     */\n    ModalEventForm.prototype.hasCategoryId = function() {\n        return this.categoryId !== null;\n    };\n\n    /**\n     * Set the event id to the given value.\n     *\n     * @method setEventId\n     * @param {int} id The event id\n     */\n    ModalEventForm.prototype.setEventId = function(id) {\n        this.eventId = id;\n    };\n\n    /**\n     * Retrieve the current event id, if any.\n     *\n     * @method getEventId\n     * @return {int|null} The event id\n     */\n    ModalEventForm.prototype.getEventId = function() {\n        return this.eventId;\n    };\n\n    /**\n     * Check if the modal has an event id.\n     *\n     * @method hasEventId\n     * @return {bool}\n     */\n    ModalEventForm.prototype.hasEventId = function() {\n        return this.eventId !== null;\n    };\n\n    /**\n     * Set the start time to the given value.\n     *\n     * @method setStartTime\n     * @param {int} time The start time\n     */\n    ModalEventForm.prototype.setStartTime = function(time) {\n        this.startTime = time;\n    };\n\n    /**\n     * Retrieve the current start time, if any.\n     *\n     * @method getStartTime\n     * @return {int|null} The start time\n     */\n    ModalEventForm.prototype.getStartTime = function() {\n        return this.startTime;\n    };\n\n    /**\n     * Check if the modal has start time.\n     *\n     * @method hasStartTime\n     * @return {bool}\n     */\n    ModalEventForm.prototype.hasStartTime = function() {\n        return this.startTime !== null;\n    };\n\n    /**\n     * Get the form element from the modal.\n     *\n     * @method getForm\n     * @return {object}\n     */\n    ModalEventForm.prototype.getForm = function() {\n        return this.getBody().find('form');\n    };\n\n    /**\n     * Disable the buttons in the footer.\n     *\n     * @method disableButtons\n     */\n    ModalEventForm.prototype.disableButtons = function() {\n        this.saveButton.prop('disabled', true);\n    };\n\n    /**\n     * Enable the buttons in the footer.\n     *\n     * @method enableButtons\n     */\n    ModalEventForm.prototype.enableButtons = function() {\n        this.saveButton.prop('disabled', false);\n    };\n\n    /**\n     * Reload the title for the modal to the appropriate value\n     * depending on whether we are creating a new event or\n     * editing an existing event.\n     *\n     * @method reloadTitleContent\n     * @return {object} A promise resolved with the new title text\n     */\n    ModalEventForm.prototype.reloadTitleContent = function() {\n        if (this.reloadingTitle) {\n            return this.titlePromise;\n        }\n\n        this.reloadingTitle = true;\n\n        if (this.hasEventId()) {\n            this.titlePromise = Str.get_string('editevent', 'calendar');\n        } else {\n            this.titlePromise = Str.get_string('newevent', 'calendar');\n        }\n\n        this.titlePromise.then(function(string) {\n            this.setTitle(string);\n            return string;\n        }.bind(this))\n        .always(function() {\n            this.reloadingTitle = false;\n            return;\n        }.bind(this))\n        .fail(Notification.exception);\n\n        return this.titlePromise;\n    };\n\n    /**\n     * Send a request to the server to get the event_form in a fragment\n     * and render the result in the body of the modal.\n     *\n     * If serialised form data is provided then it will be sent in the\n     * request to the server to have the form rendered with the data. This\n     * is used when the form had a server side error and we need the server\n     * to re-render it for us to display the error to the user.\n     *\n     * @method reloadBodyContent\n     * @param {string} formData The serialised form data\n     * @return {object} A promise resolved with the fragment html and js from\n     */\n    ModalEventForm.prototype.reloadBodyContent = function(formData) {\n        if (this.reloadingBody) {\n            return this.bodyPromise;\n        }\n\n        this.reloadingBody = true;\n        this.disableButtons();\n\n        var args = {};\n\n        if (this.hasEventId()) {\n            args.eventid = this.getEventId();\n        }\n\n        if (this.hasStartTime()) {\n            args.starttime = this.getStartTime();\n        }\n\n        if (this.hasCourseId()) {\n            args.courseid = this.getCourseId();\n        }\n\n        if (this.hasCategoryId()) {\n            args.categoryid = this.getCategoryId();\n        }\n\n        if (typeof formData !== 'undefined') {\n            args.formdata = formData;\n        }\n\n        this.bodyPromise = Fragment.loadFragment('calendar', 'event_form', this.getContextId(), args);\n\n        this.setBody(this.bodyPromise);\n\n        this.bodyPromise.then(function() {\n            this.enableButtons();\n            return;\n        }.bind(this))\n        .fail(Notification.exception)\n        .always(function() {\n            this.reloadingBody = false;\n            return;\n        }.bind(this))\n        .fail(Notification.exception);\n\n        return this.bodyPromise;\n    };\n\n    /**\n     * Reload both the title and body content.\n     *\n     * @method reloadAllContent\n     * @return {object} promise\n     */\n    ModalEventForm.prototype.reloadAllContent = function() {\n        return $.when(this.reloadTitleContent(), this.reloadBodyContent());\n    };\n\n    /**\n     * Kick off a reload the modal content before showing it. This\n     * is to allow us to re-use the same modal for creating and\n     * editing different events within the page.\n     *\n     * We do the reload when showing the modal rather than hiding it\n     * to save a request to the server if the user closes the modal\n     * and never re-opens it.\n     *\n     * @method show\n     */\n    ModalEventForm.prototype.show = function() {\n        this.reloadAllContent();\n        Modal.prototype.show.call(this);\n    };\n\n    /**\n     * Clear the event id from the modal when it's closed so\n     * that it is loaded fresh next time it's displayed.\n     *\n     * The event id will be set by the calling code if it wants\n     * to edit a specific event.\n     *\n     * @method hide\n     */\n    ModalEventForm.prototype.hide = function() {\n        Modal.prototype.hide.call(this);\n        this.setEventId(null);\n        this.setStartTime(null);\n        this.setCourseId(null);\n        this.setCategoryId(null);\n    };\n\n    /**\n     * Get the serialised form data.\n     *\n     * @method getFormData\n     * @return {string} serialised form data\n     */\n    ModalEventForm.prototype.getFormData = function() {\n        return this.getForm().serialize();\n    };\n\n    /**\n     * Send the form data to the server to create or update\n     * an event.\n     *\n     * If there is a server side validation error then we re-request the\n     * rendered form (with the data) from the server in order to get the\n     * server side errors to display.\n     *\n     * On success the modal is hidden and the page is reloaded so that the\n     * new event will display.\n     *\n     * @method save\n     * @return {object} A promise\n     */\n    ModalEventForm.prototype.save = function() {\n        var invalid,\n            loadingContainer = this.saveButton.find(SELECTORS.LOADING_ICON_CONTAINER);\n\n        // Now the change events have run, see if there are any \"invalid\" form fields.\n        invalid = this.getForm().find('[aria-invalid=\"true\"]');\n\n        // If we found invalid fields, focus on the first one and do not submit via ajax.\n        if (invalid.length) {\n            invalid.first().focus();\n            return;\n        }\n\n        loadingContainer.removeClass('hidden');\n        this.disableButtons();\n\n        var formData = this.getFormData();\n        // Send the form data to the server for processing.\n        return Repository.submitCreateUpdateForm(formData)\n            .then(function(response) {\n                if (response.validationerror) {\n                    // If there was a server side validation error then\n                    // we need to re-request the rendered form from the server\n                    // in order to display the error for the user.\n                    this.reloadBodyContent(formData);\n                    return;\n                } else {\n                    // Check whether this was a new event or not.\n                    // The hide function unsets the form data so grab this before the hide.\n                    var isExisting = this.hasEventId();\n\n                    // No problemo! Our work here is done.\n                    this.hide();\n\n                    // Trigger the appropriate calendar event so that the view can be updated.\n                    if (isExisting) {\n                        $('body').trigger(CalendarEvents.updated, [response.event]);\n                    } else {\n                        $('body').trigger(CalendarEvents.created, [response.event]);\n                    }\n                }\n\n                return;\n            }.bind(this))\n            .always(function() {\n                // Regardless of success or error we should always stop\n                // the loading icon and re-enable the buttons.\n                loadingContainer.addClass('hidden');\n                this.enableButtons();\n\n                return;\n            }.bind(this))\n            .fail(Notification.exception);\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    ModalEventForm.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        // When the user clicks the save button we trigger the form submission. We need to\n        // trigger an actual submission because there is some JS code in the form that is\n        // listening for this event and doing some stuff (e.g. saving draft areas etc).\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.SAVE_BUTTON, function(e, data) {\n            this.getForm().submit();\n            data.originalEvent.preventDefault();\n            e.stopPropagation();\n        }.bind(this));\n\n        // Catch the submit event before it is actually processed by the browser and\n        // prevent the submission. We'll take it from here.\n        this.getModal().on('submit', function(e) {\n            Event.notifyFormSubmitAjax(this.getForm()[0]);\n\n            this.save();\n\n            // Stop the form from actually submitting and prevent it's\n            // propagation because we have already handled the event.\n            e.preventDefault();\n            e.stopPropagation();\n        }.bind(this));\n    };\n\n    // Automatically register with the modal registry the first time this module is imported so that you can create modals\n    // of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(ModalEventForm.TYPE, ModalEventForm, 'calendar/modal_event_form');\n        registered = true;\n    }\n\n    return ModalEventForm;\n});\n"],"file":"modal_event_form.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal_event_form.min.js","sources":["../src/modal_event_form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the quick add or update event modal.\n *\n * @module     calendar/modal_quick_add_event\n * @class      modal_quick_add_event\n * @package    core\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core/event',\n            'core/str',\n            'core/notification',\n            'core/templates',\n            'core/custom_interaction_events',\n            'core/modal',\n            'core/modal_registry',\n            'core/fragment',\n            'core_calendar/events',\n            'core_calendar/repository'\n        ],\n        function(\n            $,\n            Event,\n            Str,\n            Notification,\n            Templates,\n            CustomEvents,\n            Modal,\n            ModalRegistry,\n            Fragment,\n            CalendarEvents,\n            Repository\n        ) {\n\n    var registered = false;\n    var SELECTORS = {\n        SAVE_BUTTON: '[data-action=\"save\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalEventForm = function(root) {\n        Modal.call(this, root);\n        this.eventId = null;\n        this.startTime = null;\n        this.courseId = null;\n        this.categoryId = null;\n        this.contextId = null;\n        this.reloadingBody = false;\n        this.reloadingTitle = false;\n        this.saveButton = this.getFooter().find(SELECTORS.SAVE_BUTTON);\n    };\n\n    ModalEventForm.TYPE = 'core_calendar-modal_event_form';\n    ModalEventForm.prototype = Object.create(Modal.prototype);\n    ModalEventForm.prototype.constructor = ModalEventForm;\n\n    /**\n     * Set the context id to the given value.\n     *\n     * @method setContextId\n     * @param {Number} id The event id\n     */\n    ModalEventForm.prototype.setContextId = function(id) {\n        this.contextId = id;\n    };\n\n    /**\n     * Retrieve the current context id, if any.\n     *\n     * @method getContextId\n     * @return {Number|null} The event id\n     */\n    ModalEventForm.prototype.getContextId = function() {\n        return this.contextId;\n    };\n\n    /**\n     * Set the course id to the given value.\n     *\n     * @method setCourseId\n     * @param {int} id The event id\n     */\n    ModalEventForm.prototype.setCourseId = function(id) {\n        this.courseId = id;\n    };\n\n    /**\n     * Retrieve the current course id, if any.\n     *\n     * @method getCourseId\n     * @return {int|null} The event id\n     */\n    ModalEventForm.prototype.getCourseId = function() {\n        return this.courseId;\n    };\n\n    /**\n     * Set the category id to the given value.\n     *\n     * @method setCategoryId\n     * @param {int} id The event id\n     */\n    ModalEventForm.prototype.setCategoryId = function(id) {\n        this.categoryId = id;\n    };\n\n    /**\n     * Retrieve the current category id, if any.\n     *\n     * @method getCategoryId\n     * @return {int|null} The event id\n     */\n    ModalEventForm.prototype.getCategoryId = function() {\n        return this.categoryId;\n    };\n\n    /**\n     * Check if the modal has an course id.\n     *\n     * @method hasCourseId\n     * @return {bool}\n     */\n    ModalEventForm.prototype.hasCourseId = function() {\n        return this.courseId !== null;\n    };\n\n    /**\n     * Check if the modal has an category id.\n     *\n     * @method hasCategoryId\n     * @return {bool}\n     */\n    ModalEventForm.prototype.hasCategoryId = function() {\n        return this.categoryId !== null;\n    };\n\n    /**\n     * Set the event id to the given value.\n     *\n     * @method setEventId\n     * @param {int} id The event id\n     */\n    ModalEventForm.prototype.setEventId = function(id) {\n        this.eventId = id;\n    };\n\n    /**\n     * Retrieve the current event id, if any.\n     *\n     * @method getEventId\n     * @return {int|null} The event id\n     */\n    ModalEventForm.prototype.getEventId = function() {\n        return this.eventId;\n    };\n\n    /**\n     * Check if the modal has an event id.\n     *\n     * @method hasEventId\n     * @return {bool}\n     */\n    ModalEventForm.prototype.hasEventId = function() {\n        return this.eventId !== null;\n    };\n\n    /**\n     * Set the start time to the given value.\n     *\n     * @method setStartTime\n     * @param {int} time The start time\n     */\n    ModalEventForm.prototype.setStartTime = function(time) {\n        this.startTime = time;\n    };\n\n    /**\n     * Retrieve the current start time, if any.\n     *\n     * @method getStartTime\n     * @return {int|null} The start time\n     */\n    ModalEventForm.prototype.getStartTime = function() {\n        return this.startTime;\n    };\n\n    /**\n     * Check if the modal has start time.\n     *\n     * @method hasStartTime\n     * @return {bool}\n     */\n    ModalEventForm.prototype.hasStartTime = function() {\n        return this.startTime !== null;\n    };\n\n    /**\n     * Get the form element from the modal.\n     *\n     * @method getForm\n     * @return {object}\n     */\n    ModalEventForm.prototype.getForm = function() {\n        return this.getBody().find('form');\n    };\n\n    /**\n     * Disable the buttons in the footer.\n     *\n     * @method disableButtons\n     */\n    ModalEventForm.prototype.disableButtons = function() {\n        this.saveButton.prop('disabled', true);\n    };\n\n    /**\n     * Enable the buttons in the footer.\n     *\n     * @method enableButtons\n     */\n    ModalEventForm.prototype.enableButtons = function() {\n        this.saveButton.prop('disabled', false);\n    };\n\n    /**\n     * Reload the title for the modal to the appropriate value\n     * depending on whether we are creating a new event or\n     * editing an existing event.\n     *\n     * @method reloadTitleContent\n     * @return {object} A promise resolved with the new title text\n     */\n    ModalEventForm.prototype.reloadTitleContent = function() {\n        if (this.reloadingTitle) {\n            return this.titlePromise;\n        }\n\n        this.reloadingTitle = true;\n\n        if (this.hasEventId()) {\n            this.titlePromise = Str.get_string('editevent', 'calendar');\n        } else {\n            this.titlePromise = Str.get_string('newevent', 'calendar');\n        }\n\n        this.titlePromise.then(function(string) {\n            this.setTitle(string);\n            return string;\n        }.bind(this))\n        .always(function() {\n            this.reloadingTitle = false;\n            return;\n        }.bind(this))\n        .fail(Notification.exception);\n\n        return this.titlePromise;\n    };\n\n    /**\n     * Send a request to the server to get the event_form in a fragment\n     * and render the result in the body of the modal.\n     *\n     * If serialised form data is provided then it will be sent in the\n     * request to the server to have the form rendered with the data. This\n     * is used when the form had a server side error and we need the server\n     * to re-render it for us to display the error to the user.\n     *\n     * @method reloadBodyContent\n     * @param {string} formData The serialised form data\n     * @return {object} A promise resolved with the fragment html and js from\n     */\n    ModalEventForm.prototype.reloadBodyContent = function(formData) {\n        if (this.reloadingBody) {\n            return this.bodyPromise;\n        }\n\n        this.reloadingBody = true;\n        this.disableButtons();\n\n        var args = {};\n\n        if (this.hasEventId()) {\n            args.eventid = this.getEventId();\n        }\n\n        if (this.hasStartTime()) {\n            args.starttime = this.getStartTime();\n        }\n\n        if (this.hasCourseId()) {\n            args.courseid = this.getCourseId();\n        }\n\n        if (this.hasCategoryId()) {\n            args.categoryid = this.getCategoryId();\n        }\n\n        if (typeof formData !== 'undefined') {\n            args.formdata = formData;\n        }\n\n        this.bodyPromise = Fragment.loadFragment('calendar', 'event_form', this.getContextId(), args);\n\n        this.setBody(this.bodyPromise);\n\n        this.bodyPromise.then(function() {\n            this.enableButtons();\n            return;\n        }.bind(this))\n        .fail(Notification.exception)\n        .always(function() {\n            this.reloadingBody = false;\n            return;\n        }.bind(this))\n        .fail(Notification.exception);\n\n        return this.bodyPromise;\n    };\n\n    /**\n     * Reload both the title and body content.\n     *\n     * @method reloadAllContent\n     * @return {object} promise\n     */\n    ModalEventForm.prototype.reloadAllContent = function() {\n        return $.when(this.reloadTitleContent(), this.reloadBodyContent());\n    };\n\n    /**\n     * Kick off a reload the modal content before showing it. This\n     * is to allow us to re-use the same modal for creating and\n     * editing different events within the page.\n     *\n     * We do the reload when showing the modal rather than hiding it\n     * to save a request to the server if the user closes the modal\n     * and never re-opens it.\n     *\n     * @method show\n     */\n    ModalEventForm.prototype.show = function() {\n        this.reloadAllContent();\n        Modal.prototype.show.call(this);\n    };\n\n    /**\n     * Clear the event id from the modal when it's closed so\n     * that it is loaded fresh next time it's displayed.\n     *\n     * The event id will be set by the calling code if it wants\n     * to edit a specific event.\n     *\n     * @method hide\n     */\n    ModalEventForm.prototype.hide = function() {\n        Modal.prototype.hide.call(this);\n        this.setEventId(null);\n        this.setStartTime(null);\n        this.setCourseId(null);\n        this.setCategoryId(null);\n    };\n\n    /**\n     * Get the serialised form data.\n     *\n     * @method getFormData\n     * @return {string} serialised form data\n     */\n    ModalEventForm.prototype.getFormData = function() {\n        return this.getForm().serialize();\n    };\n\n    /**\n     * Send the form data to the server to create or update\n     * an event.\n     *\n     * If there is a server side validation error then we re-request the\n     * rendered form (with the data) from the server in order to get the\n     * server side errors to display.\n     *\n     * On success the modal is hidden and the page is reloaded so that the\n     * new event will display.\n     *\n     * @method save\n     * @return {object} A promise\n     */\n    ModalEventForm.prototype.save = function() {\n        var invalid,\n            loadingContainer = this.saveButton.find(SELECTORS.LOADING_ICON_CONTAINER);\n\n        // Now the change events have run, see if there are any \"invalid\" form fields.\n        invalid = this.getForm().find('[aria-invalid=\"true\"]');\n\n        // If we found invalid fields, focus on the first one and do not submit via ajax.\n        if (invalid.length) {\n            invalid.first().focus();\n            return;\n        }\n\n        loadingContainer.removeClass('hidden');\n        this.disableButtons();\n\n        var formData = this.getFormData();\n        // Send the form data to the server for processing.\n        return Repository.submitCreateUpdateForm(formData)\n            .then(function(response) {\n                if (response.validationerror) {\n                    // If there was a server side validation error then\n                    // we need to re-request the rendered form from the server\n                    // in order to display the error for the user.\n                    this.reloadBodyContent(formData);\n                    return;\n                } else {\n                    // Check whether this was a new event or not.\n                    // The hide function unsets the form data so grab this before the hide.\n                    var isExisting = this.hasEventId();\n\n                    // No problemo! Our work here is done.\n                    this.hide();\n\n                    // Trigger the appropriate calendar event so that the view can be updated.\n                    if (isExisting) {\n                        $('body').trigger(CalendarEvents.updated, [response.event]);\n                    } else {\n                        $('body').trigger(CalendarEvents.created, [response.event]);\n                    }\n                }\n\n                return;\n            }.bind(this))\n            .always(function() {\n                // Regardless of success or error we should always stop\n                // the loading icon and re-enable the buttons.\n                loadingContainer.addClass('hidden');\n                this.enableButtons();\n\n                return;\n            }.bind(this))\n            .fail(Notification.exception);\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    ModalEventForm.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        // When the user clicks the save button we trigger the form submission. We need to\n        // trigger an actual submission because there is some JS code in the form that is\n        // listening for this event and doing some stuff (e.g. saving draft areas etc).\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.SAVE_BUTTON, function(e, data) {\n            this.getForm().submit();\n            data.originalEvent.preventDefault();\n            e.stopPropagation();\n        }.bind(this));\n\n        // Catch the submit event before it is actually processed by the browser and\n        // prevent the submission. We'll take it from here.\n        this.getModal().on('submit', function(e) {\n            Event.notifyFormSubmitAjax(this.getForm()[0]);\n\n            this.save();\n\n            // Stop the form from actually submitting and prevent it's\n            // propagation because we have already handled the event.\n            e.preventDefault();\n            e.stopPropagation();\n        }.bind(this));\n    };\n\n    // Automatically register with the modal registry the first time this module is imported so that you can create modals\n    // of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(ModalEventForm.TYPE, ModalEventForm, 'calendar/modal_event_form');\n        registered = true;\n    }\n\n    return 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\ No newline at end of file
diff --git a/calendar/amd/build/month_navigation_drag_drop.min.js b/calendar/amd/build/month_navigation_drag_drop.min.js
index 884ee1b0480..73a4d7f3e72 100644
--- a/calendar/amd/build/month_navigation_drag_drop.min.js
+++ b/calendar/amd/build/month_navigation_drag_drop.min.js
@@ -1,2 +1,17 @@
-define ("core_calendar/month_navigation_drag_drop",["jquery","core_calendar/drag_drop_data_store"],function(a,b){var c={DRAGGABLE:"[draggable=\"true\"][data-region=\"event-item\"]",DROP_ZONE:"[data-drop-zone=\"nav-link\"]"},d="bg-primary text-white",e="drop-target",f=!1,g=null,h=null,i=function(a,b){if(b){a.addClass(d)}else{a.removeClass(d)}},j=function(){h.find(c.DROP_ZONE).addClass(e)},k=function(){h.find(c.DROP_ZONE).removeClass(e)},l=function(b){var d=a(b.target).closest(c.DROP_ZONE);return d.length?d:null},m=function(b){var d=a(b.target).closest(c.DRAGGABLE);if(d.length){j()}},n=function(a){if(!b.hasEventId()){return}a.preventDefault();var c=l(a);if(!c){return}if(!b.hasEventId()){return}if(!g){g=setTimeout(function(){c.click();g=null},1e3)}i(c,!0);k()},o=function(a){if(!b.hasEventId()){return}var c=l(a);if(!c){return}if(g){clearTimeout(g);g=null}i(c,!1);j();a.preventDefault()},p=function(a){if(!b.hasEventId()){return}k();var c=l(a);if(!c){return}i(c,!1);a.preventDefault()};return{init:function init(c){if(!f){document.addEventListener("dragstart",m,!1);document.addEventListener("dragover",n,!1);document.addEventListener("dragleave",o,!1);document.addEventListener("drop",p,!1);document.addEventListener("dragend",k,!1);f=!0}h=a(c);if(b.hasEventId()){j()}}}});
-//# sourceMappingURL=month_navigation_drag_drop.min.js.map
+/**
+ * A javascript module to handle calendar drag and drop in the calendar
+ * month view navigation.
+ *
+ * This code is run each time the calendar month view is re-rendered. We
+ * only register the event handlers once per page load so that the in place
+ * DOM updates that happen on month change don't continue to register handlers.
+ *
+ * @module     core_calendar/month_navigation_drag_drop
+ * @class      month_navigation_drag_drop
+ * @package    core_calendar
+ * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/month_navigation_drag_drop",["jquery","core_calendar/drag_drop_data_store"],(function($,DataStore){var SELECTORS_DRAGGABLE='[draggable="true"][data-region="event-item"]',SELECTORS_DROP_ZONE='[data-drop-zone="nav-link"]',registered=!1,hoverTimer=null,root=null,updateHoverState=function(target,hovered){hovered?target.addClass("bg-primary text-white"):target.removeClass("bg-primary text-white")},addDropZoneIndicator=function(){root.find(SELECTORS_DROP_ZONE).addClass("drop-target")},removeDropZoneIndicator=function(){root.find(SELECTORS_DROP_ZONE).removeClass("drop-target")},getTargetFromEvent=function(e){var target=$(e.target).closest(SELECTORS_DROP_ZONE);return target.length?target:null},dragstartHandler=function(e){$(e.target).closest(SELECTORS_DRAGGABLE).length&&addDropZoneIndicator()},dragoverHandler=function(e){if(DataStore.hasEventId()){e.preventDefault();var target=getTargetFromEvent(e);target&&DataStore.hasEventId()&&(hoverTimer||(hoverTimer=setTimeout((function(){target.click(),hoverTimer=null}),1e3)),updateHoverState(target,!0),removeDropZoneIndicator())}},dragleaveHandler=function(e){if(DataStore.hasEventId()){var target=getTargetFromEvent(e);target&&(hoverTimer&&(clearTimeout(hoverTimer),hoverTimer=null),updateHoverState(target,!1),addDropZoneIndicator(),e.preventDefault())}},dropHandler=function(e){if(DataStore.hasEventId()){removeDropZoneIndicator();var target=getTargetFromEvent(e);target&&(updateHoverState(target,!1),e.preventDefault())}};return{init:function(rootElement){registered||(document.addEventListener("dragstart",dragstartHandler,!1),document.addEventListener("dragover",dragoverHandler,!1),document.addEventListener("dragleave",dragleaveHandler,!1),document.addEventListener("drop",dropHandler,!1),document.addEventListener("dragend",removeDropZoneIndicator,!1),registered=!0),root=$(rootElement),DataStore.hasEventId()&&addDropZoneIndicator()}}}));
+
+//# sourceMappingURL=month_navigation_drag_drop.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/month_navigation_drag_drop.min.js.map b/calendar/amd/build/month_navigation_drag_drop.min.js.map
index cf519936329..2200bceb3a5 100644
--- a/calendar/amd/build/month_navigation_drag_drop.min.js.map
+++ b/calendar/amd/build/month_navigation_drag_drop.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle calendar drag and drop in the calendar\n * month view navigation.\n *\n * This code is run each time the calendar month view is re-rendered. We\n * only register the event handlers once per page load so that the in place\n * DOM updates that happen on month change don't continue to register handlers.\n *\n * @module     core_calendar/month_navigation_drag_drop\n * @class      month_navigation_drag_drop\n * @package    core_calendar\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core_calendar/drag_drop_data_store',\n        ],\n        function(\n            $,\n            DataStore\n        ) {\n\n    var SELECTORS = {\n        DRAGGABLE: '[draggable=\"true\"][data-region=\"event-item\"]',\n        DROP_ZONE: '[data-drop-zone=\"nav-link\"]',\n    };\n    var HOVER_CLASS = 'bg-primary text-white';\n    var TARGET_CLASS = 'drop-target';\n    var HOVER_TIME = 1000; // 1 second hover to change month.\n\n    // We store some static variables at the module level because this\n    // module is called each time the calendar month view is reloaded but\n    // we want some actions to only occur ones.\n\n    /* @var {bool} registered If the event listeners have been added */\n    var registered = false;\n    /* @var {int} hoverTimer The timeout id of any timeout waiting for hover */\n    var hoverTimer = null;\n    /* @var {object} root The root nav element we're operating on */\n    var root = null;\n\n    /**\n     * Add or remove the appropriate styling to indicate whether\n     * the drop target is being hovered over.\n     *\n     * @param {object} target The target drop zone element\n     * @param {bool} hovered If the element is hovered over ot not\n     */\n    var updateHoverState = function(target, hovered) {\n        if (hovered) {\n            target.addClass(HOVER_CLASS);\n        } else {\n            target.removeClass(HOVER_CLASS);\n        }\n    };\n\n    /**\n     * Add some styling to the UI to indicate that the nav links\n     * are an acceptable drop target.\n     */\n    var addDropZoneIndicator = function() {\n        root.find(SELECTORS.DROP_ZONE).addClass(TARGET_CLASS);\n    };\n\n    /**\n     * Remove the styling from the nav links.\n     */\n    var removeDropZoneIndicator = function() {\n        root.find(SELECTORS.DROP_ZONE).removeClass(TARGET_CLASS);\n    };\n\n    /**\n     * Get the drop zone target from the event, if one is found.\n     *\n     * @param {event} e Javascript event\n     * @return {object|null}\n     */\n    var getTargetFromEvent = function(e) {\n        var target = $(e.target).closest(SELECTORS.DROP_ZONE);\n        return (target.length) ? target : null;\n    };\n\n    /**\n     * This will add a visual indicator to the calendar UI to\n     * indicate which nav link is a valid drop zone.\n     */\n    var dragstartHandler = function(e) {\n        // Make sure the drag event is for a calendar event.\n        var eventElement = $(e.target).closest(SELECTORS.DRAGGABLE);\n\n        if (eventElement.length) {\n            addDropZoneIndicator();\n        }\n    };\n\n    /**\n     * Update the hover state of the target nav element when\n     * the user is dragging an event over it.\n     *\n     * This will add a visual indicator to the calendar UI to\n     * indicate which nav link is being hovered.\n     *\n     * @param {event} e The dragover event\n     */\n    var dragoverHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        e.preventDefault();\n        var target = getTargetFromEvent(e);\n\n        if (!target) {\n            return;\n        }\n\n        // If we're not draggin a calendar event then\n        // ignore it.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        if (!hoverTimer) {\n            hoverTimer = setTimeout(function() {\n                target.click();\n                hoverTimer = null;\n            }, HOVER_TIME);\n        }\n\n        updateHoverState(target, true);\n        removeDropZoneIndicator();\n    };\n\n    /**\n     * Update the hover state of the target nav element that was\n     * previously dragged over but has is no longer a drag target.\n     *\n     * This will remove the visual indicator from the calendar UI\n     * that was added by the dragoverHandler.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dragleaveHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        var target = getTargetFromEvent(e);\n\n        if (!target) {\n            return;\n        }\n\n        if (hoverTimer) {\n            clearTimeout(hoverTimer);\n            hoverTimer = null;\n        }\n\n        updateHoverState(target, false);\n        addDropZoneIndicator();\n        e.preventDefault();\n    };\n\n    /**\n     * Remove the visual indicator from the calendar UI that was\n     * added by the dragoverHandler.\n     *\n     * @param {event} e The drop event\n     */\n    var dropHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        removeDropZoneIndicator();\n        var target = getTargetFromEvent(e);\n\n        if (!target) {\n            return;\n        }\n\n        updateHoverState(target, false);\n        e.preventDefault();\n    };\n\n    return {\n        /**\n         * Initialise the event handlers for the drag events.\n         *\n         * @param {object} rootElement The element containing calendar nav links\n         */\n        init: function(rootElement) {\n            // Only register the handlers once on the first load.\n            if (!registered) {\n                // These handlers are only added the first time the module\n                // is loaded because we don't want to have a new listener\n                // added each time the \"init\" function is called otherwise we'll\n                // end up with lots of stale handlers.\n                document.addEventListener('dragstart', dragstartHandler, false);\n                document.addEventListener('dragover', dragoverHandler, false);\n                document.addEventListener('dragleave', dragleaveHandler, false);\n                document.addEventListener('drop', dropHandler, false);\n                document.addEventListener('dragend', removeDropZoneIndicator, false);\n                registered = true;\n            }\n\n            // Update the module variable to operate on the given\n            // root element.\n            root = $(rootElement);\n\n            // If we're currently dragging then add the indicators.\n            if (DataStore.hasEventId()) {\n                addDropZoneIndicator();\n            }\n        },\n    };\n});\n"],"file":"month_navigation_drag_drop.min.js"}
\ No newline at end of file
+{"version":3,"file":"month_navigation_drag_drop.min.js","sources":["../src/month_navigation_drag_drop.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle calendar drag and drop in the calendar\n * month view navigation.\n *\n * This code is run each time the calendar month view is re-rendered. We\n * only register the event handlers once per page load so that the in place\n * DOM updates that happen on month change don't continue to register handlers.\n *\n * @module     core_calendar/month_navigation_drag_drop\n * @class      month_navigation_drag_drop\n * @package    core_calendar\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core_calendar/drag_drop_data_store',\n        ],\n        function(\n            $,\n            DataStore\n        ) {\n\n    var SELECTORS = {\n        DRAGGABLE: '[draggable=\"true\"][data-region=\"event-item\"]',\n        DROP_ZONE: '[data-drop-zone=\"nav-link\"]',\n    };\n    var HOVER_CLASS = 'bg-primary text-white';\n    var TARGET_CLASS = 'drop-target';\n    var HOVER_TIME = 1000; // 1 second hover to change month.\n\n    // We store some static variables at the module level because this\n    // module is called each time the calendar month view is reloaded but\n    // we want some actions to only occur ones.\n\n    /* @var {bool} registered If the event listeners have been added */\n    var registered = false;\n    /* @var {int} hoverTimer The timeout id of any timeout waiting for hover */\n    var hoverTimer = null;\n    /* @var {object} root The root nav element we're operating on */\n    var root = null;\n\n    /**\n     * Add or remove the appropriate styling to indicate whether\n     * the drop target is being hovered over.\n     *\n     * @param {object} target The target drop zone element\n     * @param {bool} hovered If the element is hovered over ot not\n     */\n    var updateHoverState = function(target, hovered) {\n        if (hovered) {\n            target.addClass(HOVER_CLASS);\n        } else {\n            target.removeClass(HOVER_CLASS);\n        }\n    };\n\n    /**\n     * Add some styling to the UI to indicate that the nav links\n     * are an acceptable drop target.\n     */\n    var addDropZoneIndicator = function() {\n        root.find(SELECTORS.DROP_ZONE).addClass(TARGET_CLASS);\n    };\n\n    /**\n     * Remove the styling from the nav links.\n     */\n    var removeDropZoneIndicator = function() {\n        root.find(SELECTORS.DROP_ZONE).removeClass(TARGET_CLASS);\n    };\n\n    /**\n     * Get the drop zone target from the event, if one is found.\n     *\n     * @param {event} e Javascript event\n     * @return {object|null}\n     */\n    var getTargetFromEvent = function(e) {\n        var target = $(e.target).closest(SELECTORS.DROP_ZONE);\n        return (target.length) ? target : null;\n    };\n\n    /**\n     * This will add a visual indicator to the calendar UI to\n     * indicate which nav link is a valid drop zone.\n     */\n    var dragstartHandler = function(e) {\n        // Make sure the drag event is for a calendar event.\n        var eventElement = $(e.target).closest(SELECTORS.DRAGGABLE);\n\n        if (eventElement.length) {\n            addDropZoneIndicator();\n        }\n    };\n\n    /**\n     * Update the hover state of the target nav element when\n     * the user is dragging an event over it.\n     *\n     * This will add a visual indicator to the calendar UI to\n     * indicate which nav link is being hovered.\n     *\n     * @param {event} e The dragover event\n     */\n    var dragoverHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        e.preventDefault();\n        var target = getTargetFromEvent(e);\n\n        if (!target) {\n            return;\n        }\n\n        // If we're not draggin a calendar event then\n        // ignore it.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        if (!hoverTimer) {\n            hoverTimer = setTimeout(function() {\n                target.click();\n                hoverTimer = null;\n            }, HOVER_TIME);\n        }\n\n        updateHoverState(target, true);\n        removeDropZoneIndicator();\n    };\n\n    /**\n     * Update the hover state of the target nav element that was\n     * previously dragged over but has is no longer a drag target.\n     *\n     * This will remove the visual indicator from the calendar UI\n     * that was added by the dragoverHandler.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dragleaveHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        var target = getTargetFromEvent(e);\n\n        if (!target) {\n            return;\n        }\n\n        if (hoverTimer) {\n            clearTimeout(hoverTimer);\n            hoverTimer = null;\n        }\n\n        updateHoverState(target, false);\n        addDropZoneIndicator();\n        e.preventDefault();\n    };\n\n    /**\n     * Remove the visual indicator from the calendar UI that was\n     * added by the dragoverHandler.\n     *\n     * @param {event} e The drop event\n     */\n    var dropHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        removeDropZoneIndicator();\n        var target = getTargetFromEvent(e);\n\n        if (!target) {\n            return;\n        }\n\n        updateHoverState(target, false);\n        e.preventDefault();\n    };\n\n    return {\n        /**\n         * Initialise the event handlers for the drag events.\n         *\n         * @param {object} rootElement The element containing calendar nav links\n         */\n        init: function(rootElement) {\n            // Only register the handlers once on the first load.\n            if (!registered) {\n                // These handlers are only added the first time the module\n                // is loaded because we don't want to have a new listener\n                // added each time the \"init\" function is called otherwise we'll\n                // end up with lots of stale handlers.\n                document.addEventListener('dragstart', dragstartHandler, false);\n                document.addEventListener('dragover', dragoverHandler, false);\n                document.addEventListener('dragleave', dragleaveHandler, false);\n                document.addEventListener('drop', dropHandler, false);\n                document.addEventListener('dragend', removeDropZoneIndicator, false);\n                registered = true;\n            }\n\n            // Update the module variable to operate on the given\n            // root element.\n            root = $(rootElement);\n\n            // If we're currently dragging then add the indicators.\n            if (DataStore.hasEventId()) {\n                addDropZoneIndicator();\n            }\n        },\n    };\n});\n"],"names":["define","$","DataStore","SELECTORS","registered","hoverTimer","root","updateHoverState","target","hovered","addClass","removeClass","addDropZoneIndicator","find","removeDropZoneIndicator","getTargetFromEvent","e","closest","length","dragstartHandler","dragoverHandler","hasEventId","preventDefault","setTimeout","click","dragleaveHandler","clearTimeout","dropHandler","init","rootElement","document","addEventListener"],"mappings":";;;;;;;;;;;;;;AA6BAA,kDAAO,CACK,SACA,uCAEJ,SACIC,EACAC,eAGJC,oBACW,+CADXA,oBAEW,8BAWXC,YAAa,EAEbC,WAAa,KAEbC,KAAO,KASPC,iBAAmB,SAASC,OAAQC,SAChCA,QACAD,OAAOE,SAxBG,yBA0BVF,OAAOG,YA1BG,0BAkCdC,qBAAuB,WACvBN,KAAKO,KAAKV,qBAAqBO,SAlChB,gBAwCfI,wBAA0B,WAC1BR,KAAKO,KAAKV,qBAAqBQ,YAzChB,gBAkDfI,mBAAqB,SAASC,OAC1BR,OAASP,EAAEe,EAAER,QAAQS,QAAQd,4BACzBK,OAAOU,OAAUV,OAAS,MAOlCW,iBAAmB,SAASH,GAETf,EAAEe,EAAER,QAAQS,QAAQd,qBAEtBe,QACbN,wBAaJQ,gBAAkB,SAASJ,MAEtBd,UAAUmB,cAIfL,EAAEM,qBACEd,OAASO,mBAAmBC,GAE3BR,QAMAN,UAAUmB,eAIVhB,aACDA,WAAakB,YAAW,WACpBf,OAAOgB,QACPnB,WAAa,OAlGR,MAsGbE,iBAAiBC,QAAQ,GACzBM,6BAYAW,iBAAmB,SAAST,MAEvBd,UAAUmB,kBAIXb,OAASO,mBAAmBC,GAE3BR,SAIDH,aACAqB,aAAarB,YACbA,WAAa,MAGjBE,iBAAiBC,QAAQ,GACzBI,uBACAI,EAAEM,oBASFK,YAAc,SAASX,MAElBd,UAAUmB,cAIfP,8BACIN,OAASO,mBAAmBC,GAE3BR,SAILD,iBAAiBC,QAAQ,GACzBQ,EAAEM,0BAGC,CAMHM,KAAM,SAASC,aAENzB,aAKD0B,SAASC,iBAAiB,YAAaZ,kBAAkB,GACzDW,SAASC,iBAAiB,WAAYX,iBAAiB,GACvDU,SAASC,iBAAiB,YAAaN,kBAAkB,GACzDK,SAASC,iBAAiB,OAAQJ,aAAa,GAC/CG,SAASC,iBAAiB,UAAWjB,yBAAyB,GAC9DV,YAAa,GAKjBE,KAAOL,EAAE4B,aAGL3B,UAAUmB,cACVT"}
\ No newline at end of file
diff --git a/calendar/amd/build/month_view_drag_drop.min.js b/calendar/amd/build/month_view_drag_drop.min.js
index cdee1100f20..30d6d5ad5d1 100644
--- a/calendar/amd/build/month_view_drag_drop.min.js
+++ b/calendar/amd/build/month_view_drag_drop.min.js
@@ -1,2 +1,13 @@
-define ("core_calendar/month_view_drag_drop",["jquery","core/notification","core/str","core_calendar/events","core_calendar/drag_drop_data_store"],function(a,b,c,d,f){var g={ROOT:"[data-region='calendar']",DRAGGABLE:"[draggable=\"true\"][data-region=\"event-item\"]",DROP_ZONE:"[data-drop-zone=\"month-view-day\"]",WEEK:"[data-region=\"month-view-week\"]"},h="bg-faded",i="bg-danger text-white",j="bg-primary text-white",k=h+" "+i+" "+j,l=!1,m=function(b){var c=a(b.target).closest(g.DROP_ZONE);return c.length?c:null},n=function(a){var b=a.attr("data-day-timestamp"),c=f.getMinTimestart(),d=f.getMaxTimestart();if(c&&c>b){return!1}if(d&&d<b){return!1}return!0},o=function(a){var b=a.attr("data-day-timestamp"),c=f.getMinTimestart(),d=f.getMaxTimestart();if(c&&c>b){return f.getMinError()}if(d&&d<b){return f.getMaxError()}return null},p=function(){a(g.ROOT).find(g.DROP_ZONE).each(function(b,c){c=a(c);c.removeClass(k)})},q=function(a,b,c){if("undefined"==typeof c){c=f.getDurationDays()}var d=n(a);a.removeClass(k);if(b){if(d){a.addClass(j)}else{a.addClass(i)}}else{a.removeClass(j+" "+i);if(!d){a.addClass(h)}}c--;if(0<c){var e=a.next();if(!e.length){var l=a.closest(g.WEEK).next();if(l.length){e=l.children(g.DROP_ZONE).first()}}if(e.length){q(e,b,c)}}},r=function(){a(g.ROOT).find(g.DROP_ZONE).each(function(b,c){c=a(c);if(!n(c)){q(c,!1)}})},s=function(b){var c=a(b.target),d=c.closest(g.DRAGGABLE);if(!d.length){return}var e=d.find("[data-event-id]"),h=e.attr("data-event-id"),i=d.attr("data-min-day-timestamp"),j=d.attr("data-max-day-timestamp"),k=d.attr("data-min-day-error"),l=d.attr("data-max-day-error"),m=g.ROOT+" [data-event-id=\""+h+"\"]",n=a(m).length;f.setEventId(h);f.setDurationDays(n);if(i){f.setMinTimestart(i)}if(j){f.setMaxTimestart(j)}if(k){f.setMinError(k)}if(l){f.setMaxError(l)}b.dataTransfer.effectAllowed="move";b.dataTransfer.dropEffect="move";b.dataTransfer.setData("text/plain",h);b.dropEffect="move";r()},t=function(a){if(!f.hasEventId()){return}a.preventDefault();var b=m(a);if(!b){return}q(b,!0)},u=function(a){if(!f.hasEventId()){return}var b=m(a);if(!b){return}q(b,!1);a.preventDefault()},v=function(h){if(!f.hasEventId()){return}var e=m(h);if(!e){f.clearAll();p();return}if(n(e)){var i=f.getEventId(),j=g.ROOT+" [data-event-id=\""+i+"\"]",k=a(j),l=null;if(k.length){l=k.closest(g.DROP_ZONE)}a("body").trigger(d.moveEvent,[i,l,e])}else{var q=o(e);c.get_string("errorinvaliddate","calendar").then(function(a){b.exception({name:a,message:q||a})})}f.clearAll();p();h.preventDefault()},w=function(){f.clearAll();p()},x=function(){r()};return{init:function init(){if(!l){document.addEventListener("dragstart",s,!1);document.addEventListener("dragover",t,!1);document.addEventListener("dragleave",u,!1);document.addEventListener("drop",v,!1);document.addEventListener("dragend",w,!1);a("body").on(d.monthChanged,x);l=!0}}}});
-//# sourceMappingURL=month_view_drag_drop.min.js.map
+/**
+ * A javascript module to handle calendar drag and drop in the calendar
+ * month view.
+ *
+ * @module     core_calendar/month_view_drag_drop
+ * @class      month_view_drag_drop
+ * @package    core_calendar
+ * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/month_view_drag_drop",["jquery","core/notification","core/str","core_calendar/events","core_calendar/drag_drop_data_store"],(function($,Notification,Str,CalendarEvents,DataStore){var SELECTORS_ROOT="[data-region='calendar']",SELECTORS_DRAGGABLE='[draggable="true"][data-region="event-item"]',SELECTORS_DROP_ZONE='[data-drop-zone="month-view-day"]',SELECTORS_WEEK='[data-region="month-view-week"]',ALL_CLASSES="bg-faded bg-danger text-white bg-primary text-white",registered=!1,getDropZoneFromEvent=function(e){var dropZone=$(e.target).closest(SELECTORS_DROP_ZONE);return dropZone.length?dropZone:null},isValidDropZone=function(dropZone){var dropTimestamp=dropZone.attr("data-day-timestamp"),minTimestart=DataStore.getMinTimestart(),maxTimestart=DataStore.getMaxTimestart();return!(minTimestart&&minTimestart>dropTimestamp)&&!(maxTimestart&&maxTimestart<dropTimestamp)},clearAllDropZonesState=function(){$(SELECTORS_ROOT).find(SELECTORS_DROP_ZONE).each((function(index,dropZone){(dropZone=$(dropZone)).removeClass(ALL_CLASSES)}))},updateHoverState=function updateHoverState(dropZone,hovered,count){void 0===count&&(count=DataStore.getDurationDays());var valid=isValidDropZone(dropZone);if(dropZone.removeClass(ALL_CLASSES),hovered?valid?dropZone.addClass("bg-primary text-white"):dropZone.addClass("bg-danger text-white"):(dropZone.removeClass("bg-primary text-white bg-danger text-white"),valid||dropZone.addClass("bg-faded")),--count>0){var nextDropZone=dropZone.next();if(!nextDropZone.length){var nextWeek=dropZone.closest(SELECTORS_WEEK).next();nextWeek.length&&(nextDropZone=nextWeek.children(SELECTORS_DROP_ZONE).first())}nextDropZone.length&&updateHoverState(nextDropZone,hovered,count)}},updateAllDropZonesState=function(){$(SELECTORS_ROOT).find(SELECTORS_DROP_ZONE).each((function(index,dropZone){dropZone=$(dropZone),isValidDropZone(dropZone)||updateHoverState(dropZone,!1)}))},dragstartHandler=function(e){var draggableElement=$(e.target).closest(SELECTORS_DRAGGABLE);if(draggableElement.length){var eventId=draggableElement.find("[data-event-id]").attr("data-event-id"),minTimestart=draggableElement.attr("data-min-day-timestamp"),maxTimestart=draggableElement.attr("data-max-day-timestamp"),minError=draggableElement.attr("data-min-day-error"),maxError=draggableElement.attr("data-max-day-error"),duration=$(SELECTORS_ROOT+' [data-event-id="'+eventId+'"]').length;DataStore.setEventId(eventId),DataStore.setDurationDays(duration),minTimestart&&DataStore.setMinTimestart(minTimestart),maxTimestart&&DataStore.setMaxTimestart(maxTimestart),minError&&DataStore.setMinError(minError),maxError&&DataStore.setMaxError(maxError),e.dataTransfer.effectAllowed="move",e.dataTransfer.dropEffect="move",e.dataTransfer.setData("text/plain",eventId),e.dropEffect="move",updateAllDropZonesState()}},dragoverHandler=function(e){if(DataStore.hasEventId()){e.preventDefault();var dropZone=getDropZoneFromEvent(e);dropZone&&updateHoverState(dropZone,!0)}},dragleaveHandler=function(e){if(DataStore.hasEventId()){var dropZone=getDropZoneFromEvent(e);dropZone&&(updateHoverState(dropZone,!1),e.preventDefault())}},dropHandler=function(e){if(DataStore.hasEventId()){var dropZone=getDropZoneFromEvent(e);if(!dropZone)return DataStore.clearAll(),void clearAllDropZonesState();if(isValidDropZone(dropZone)){var eventId=DataStore.getEventId(),eventElement=$(SELECTORS_ROOT+' [data-event-id="'+eventId+'"]'),origin=null;eventElement.length&&(origin=eventElement.closest(SELECTORS_DROP_ZONE)),$("body").trigger(CalendarEvents.moveEvent,[eventId,origin,dropZone])}else{var message=function(dropZone){var dropTimestamp=dropZone.attr("data-day-timestamp"),minTimestart=DataStore.getMinTimestart(),maxTimestart=DataStore.getMaxTimestart();return minTimestart&&minTimestart>dropTimestamp?DataStore.getMinError():maxTimestart&&maxTimestart<dropTimestamp?DataStore.getMaxError():null}(dropZone);Str.get_string("errorinvaliddate","calendar").then((function(string){Notification.exception({name:string,message:message||string})}))}DataStore.clearAll(),clearAllDropZonesState(),e.preventDefault()}},dragendHandler=function(){DataStore.clearAll(),clearAllDropZonesState()},calendarMonthChangedHandler=function(){updateAllDropZonesState()};return{init:function(){registered||(document.addEventListener("dragstart",dragstartHandler,!1),document.addEventListener("dragover",dragoverHandler,!1),document.addEventListener("dragleave",dragleaveHandler,!1),document.addEventListener("drop",dropHandler,!1),document.addEventListener("dragend",dragendHandler,!1),$("body").on(CalendarEvents.monthChanged,calendarMonthChangedHandler),registered=!0)}}}));
+
+//# sourceMappingURL=month_view_drag_drop.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/month_view_drag_drop.min.js.map b/calendar/amd/build/month_view_drag_drop.min.js.map
index a0053f93ee2..3bef4ad4954 100644
--- a/calendar/amd/build/month_view_drag_drop.min.js.map
+++ b/calendar/amd/build/month_view_drag_drop.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle calendar drag and drop in the calendar\n * month view.\n *\n * @module     core_calendar/month_view_drag_drop\n * @class      month_view_drag_drop\n * @package    core_calendar\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core/notification',\n            'core/str',\n            'core_calendar/events',\n            'core_calendar/drag_drop_data_store'\n        ],\n        function(\n            $,\n            Notification,\n            Str,\n            CalendarEvents,\n            DataStore\n        ) {\n\n    var SELECTORS = {\n        ROOT: \"[data-region='calendar']\",\n        DRAGGABLE: '[draggable=\"true\"][data-region=\"event-item\"]',\n        DROP_ZONE: '[data-drop-zone=\"month-view-day\"]',\n        WEEK: '[data-region=\"month-view-week\"]',\n    };\n    var INVALID_DROP_ZONE_CLASS = 'bg-faded';\n    var INVALID_HOVER_CLASS = 'bg-danger text-white';\n    var VALID_HOVER_CLASS = 'bg-primary text-white';\n    var ALL_CLASSES = INVALID_DROP_ZONE_CLASS + ' ' + INVALID_HOVER_CLASS + ' ' + VALID_HOVER_CLASS;\n    /* @var {bool} registered If the event listeners have been added */\n    var registered = false;\n\n    /**\n     * Get the correct drop zone element from the given javascript\n     * event.\n     *\n     * @param {event} e The javascript event\n     * @return {object|null}\n     */\n    var getDropZoneFromEvent = function(e) {\n        var dropZone = $(e.target).closest(SELECTORS.DROP_ZONE);\n        return (dropZone.length) ? dropZone : null;\n    };\n\n    /**\n     * Determine if the given dropzone element is within the acceptable\n     * time range.\n     *\n     * The drop zone timestamp is midnight on that day so we should check\n     * that the event's acceptable timestart value\n     *\n     * @param {object} dropZone The drop zone day from the calendar\n     * @return {bool}\n     */\n    var isValidDropZone = function(dropZone) {\n        var dropTimestamp = dropZone.attr('data-day-timestamp');\n        var minTimestart = DataStore.getMinTimestart();\n        var maxTimestart = DataStore.getMaxTimestart();\n\n        if (minTimestart && minTimestart > dropTimestamp) {\n            return false;\n        }\n\n        if (maxTimestart && maxTimestart < dropTimestamp) {\n            return false;\n        }\n\n        return true;\n    };\n\n    /**\n     * Get the error string to display for a given drop zone element\n     * if it is invalid.\n     *\n     * @param {object} dropZone The drop zone day from the calendar\n     * @return {string}\n     */\n    var getDropZoneError = function(dropZone) {\n        var dropTimestamp = dropZone.attr('data-day-timestamp');\n        var minTimestart = DataStore.getMinTimestart();\n        var maxTimestart = DataStore.getMaxTimestart();\n\n        if (minTimestart && minTimestart > dropTimestamp) {\n            return DataStore.getMinError();\n        }\n\n        if (maxTimestart && maxTimestart < dropTimestamp) {\n            return DataStore.getMaxError();\n        }\n\n        return null;\n    };\n\n    /**\n     * Remove all of the styling from each of the drop zones in the calendar.\n     */\n    var clearAllDropZonesState = function() {\n        $(SELECTORS.ROOT).find(SELECTORS.DROP_ZONE).each(function(index, dropZone) {\n            dropZone = $(dropZone);\n            dropZone.removeClass(ALL_CLASSES);\n        });\n    };\n\n    /**\n     * Update the hover state for the event in the calendar to reflect\n     * which days the event will be moved to.\n     *\n     * If the drop zone is not being hovered then it will apply some\n     * styling to reflect whether the drop zone is a valid or invalid\n     * drop place for the current dragging event.\n     *\n     * This funciton supports events spanning multiple days and will\n     * recurse to highlight (or remove highlight) each of the days\n     * that the event will be moved to.\n     *\n     * For example: An event with a duration of 3 days will have\n     * 3 days highlighted when it's dragged elsewhere in the calendar.\n     * The current drag target and the 2 days following it (including\n     * wrapping to the next week if necessary).\n     *\n     * @param {string|object} target The drag target element\n     * @param {bool} hovered If the target is hovered or not\n     * @param {int} count How many days to highlight (default to duration)\n     */\n    var updateHoverState = function(dropZone, hovered, count) {\n        if (typeof count === 'undefined') {\n            // This is how many days we need to highlight.\n            count = DataStore.getDurationDays();\n        }\n\n        var valid = isValidDropZone(dropZone);\n        dropZone.removeClass(ALL_CLASSES);\n\n        if (hovered) {\n\n            if (valid) {\n                dropZone.addClass(VALID_HOVER_CLASS);\n            } else {\n                dropZone.addClass(INVALID_HOVER_CLASS);\n            }\n        } else {\n            dropZone.removeClass(VALID_HOVER_CLASS + ' ' + INVALID_HOVER_CLASS);\n\n            if (!valid) {\n                dropZone.addClass(INVALID_DROP_ZONE_CLASS);\n            }\n        }\n\n        count--;\n\n        // If we've still got days to highlight then we should\n        // find the next day.\n        if (count > 0) {\n            var nextDropZone = dropZone.next();\n\n            // If there are no more days in this week then we\n            // need to move down to the next week in the calendar.\n            if (!nextDropZone.length) {\n                var nextWeek = dropZone.closest(SELECTORS.WEEK).next();\n\n                if (nextWeek.length) {\n                    nextDropZone = nextWeek.children(SELECTORS.DROP_ZONE).first();\n                }\n            }\n\n            // If we found another day then let's recursively\n            // update it's hover state.\n            if (nextDropZone.length) {\n                updateHoverState(nextDropZone, hovered, count);\n            }\n        }\n    };\n\n    /**\n     * Find all of the calendar event drop zones in the calendar and update the display\n     * for the user to indicate which zones are valid and invalid.\n     */\n    var updateAllDropZonesState = function() {\n        $(SELECTORS.ROOT).find(SELECTORS.DROP_ZONE).each(function(index, dropZone) {\n            dropZone = $(dropZone);\n\n            if (!isValidDropZone(dropZone)) {\n                updateHoverState(dropZone, false);\n            }\n        });\n    };\n\n\n    /**\n     * Set up the module level variables to track which event is being\n     * dragged and how many days it spans.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dragstartHandler = function(e) {\n        var target = $(e.target);\n        var draggableElement = target.closest(SELECTORS.DRAGGABLE);\n\n        if (!draggableElement.length) {\n            return;\n        }\n\n        var eventElement = draggableElement.find('[data-event-id]');\n        var eventId = eventElement.attr('data-event-id');\n        var minTimestart = draggableElement.attr('data-min-day-timestamp');\n        var maxTimestart = draggableElement.attr('data-max-day-timestamp');\n        var minError = draggableElement.attr('data-min-day-error');\n        var maxError = draggableElement.attr('data-max-day-error');\n        var eventsSelector = SELECTORS.ROOT + ' [data-event-id=\"' + eventId + '\"]';\n        var duration = $(eventsSelector).length;\n\n        DataStore.setEventId(eventId);\n        DataStore.setDurationDays(duration);\n\n        if (minTimestart) {\n            DataStore.setMinTimestart(minTimestart);\n        }\n\n        if (maxTimestart) {\n            DataStore.setMaxTimestart(maxTimestart);\n        }\n\n        if (minError) {\n            DataStore.setMinError(minError);\n        }\n\n        if (maxError) {\n            DataStore.setMaxError(maxError);\n        }\n\n        e.dataTransfer.effectAllowed = \"move\";\n        e.dataTransfer.dropEffect = \"move\";\n        // Firefox requires a value to be set here or the drag won't\n        // work and the dragover handler won't fire.\n        e.dataTransfer.setData('text/plain', eventId);\n        e.dropEffect = \"move\";\n\n        updateAllDropZonesState();\n    };\n\n    /**\n     * Update the hover state of the target day element when\n     * the user is dragging an event over it.\n     *\n     * This will add a visual indicator to the calendar UI to\n     * indicate which day(s) the event will be moved to.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dragoverHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        e.preventDefault();\n\n        var dropZone = getDropZoneFromEvent(e);\n\n        if (!dropZone) {\n            return;\n        }\n\n        updateHoverState(dropZone, true);\n    };\n\n    /**\n     * Update the hover state of the target day element that was\n     * previously dragged over but has is no longer a drag target.\n     *\n     * This will remove the visual indicator from the calendar UI\n     * that was added by the dragoverHandler.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dragleaveHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        var dropZone = getDropZoneFromEvent(e);\n\n        if (!dropZone) {\n            return;\n        }\n\n        updateHoverState(dropZone, false);\n        e.preventDefault();\n    };\n\n    /**\n     * Determines the event element, origin day, and destination day\n     * once the user drops the calendar event. These three bits of data\n     * are provided as the payload to the \"moveEvent\" calendar javascript\n     * event that is fired.\n     *\n     * This will remove the visual indicator from the calendar UI\n     * that was added by the dragoverHandler.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dropHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        var dropZone = getDropZoneFromEvent(e);\n\n        if (!dropZone) {\n            DataStore.clearAll();\n            clearAllDropZonesState();\n            return;\n        }\n\n        if (isValidDropZone(dropZone)) {\n            var eventId = DataStore.getEventId();\n            var eventElementSelector = SELECTORS.ROOT + ' [data-event-id=\"' + eventId + '\"]';\n            var eventElement = $(eventElementSelector);\n            var origin = null;\n\n            if (eventElement.length) {\n                origin = eventElement.closest(SELECTORS.DROP_ZONE);\n            }\n\n            $('body').trigger(CalendarEvents.moveEvent, [eventId, origin, dropZone]);\n        } else {\n            // If the drop zone is not valid then there is not need for us to\n            // try to process it. Instead we can just show an error to the user.\n            var message = getDropZoneError(dropZone);\n            Str.get_string('errorinvaliddate', 'calendar').then(function(string) {\n                Notification.exception({\n                    name: string,\n                    message: message || string\n                });\n            });\n        }\n\n        DataStore.clearAll();\n        clearAllDropZonesState();\n\n        e.preventDefault();\n    };\n\n    /**\n     * Clear the data store and remove the drag indicators from the UI\n     * when the drag event has finished.\n     */\n    var dragendHandler = function() {\n        DataStore.clearAll();\n        clearAllDropZonesState();\n    };\n\n    /**\n     * Re-render the drop zones in the new month to highlight\n     * which areas are or aren't acceptable to drop the calendar\n     * event.\n     */\n    var calendarMonthChangedHandler = function() {\n        updateAllDropZonesState();\n    };\n\n    return {\n        /**\n         * Initialise the event handlers for the drag events.\n         */\n        init: function() {\n            if (!registered) {\n                // These handlers are only added the first time the module\n                // is loaded because we don't want to have a new listener\n                // added each time the \"init\" function is called otherwise we'll\n                // end up with lots of stale handlers.\n                document.addEventListener('dragstart', dragstartHandler, false);\n                document.addEventListener('dragover', dragoverHandler, false);\n                document.addEventListener('dragleave', dragleaveHandler, false);\n                document.addEventListener('drop', dropHandler, false);\n                document.addEventListener('dragend', dragendHandler, false);\n                $('body').on(CalendarEvents.monthChanged, calendarMonthChangedHandler);\n                registered = true;\n            }\n        },\n    };\n});\n"],"file":"month_view_drag_drop.min.js"}
\ No newline at end of file
+{"version":3,"file":"month_view_drag_drop.min.js","sources":["../src/month_view_drag_drop.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle calendar drag and drop in the calendar\n * month view.\n *\n * @module     core_calendar/month_view_drag_drop\n * @class      month_view_drag_drop\n * @package    core_calendar\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core/notification',\n            'core/str',\n            'core_calendar/events',\n            'core_calendar/drag_drop_data_store'\n        ],\n        function(\n            $,\n            Notification,\n            Str,\n            CalendarEvents,\n            DataStore\n        ) {\n\n    var SELECTORS = {\n        ROOT: \"[data-region='calendar']\",\n        DRAGGABLE: '[draggable=\"true\"][data-region=\"event-item\"]',\n        DROP_ZONE: '[data-drop-zone=\"month-view-day\"]',\n        WEEK: '[data-region=\"month-view-week\"]',\n    };\n    var INVALID_DROP_ZONE_CLASS = 'bg-faded';\n    var INVALID_HOVER_CLASS = 'bg-danger text-white';\n    var VALID_HOVER_CLASS = 'bg-primary text-white';\n    var ALL_CLASSES = INVALID_DROP_ZONE_CLASS + ' ' + INVALID_HOVER_CLASS + ' ' + VALID_HOVER_CLASS;\n    /* @var {bool} registered If the event listeners have been added */\n    var registered = false;\n\n    /**\n     * Get the correct drop zone element from the given javascript\n     * event.\n     *\n     * @param {event} e The javascript event\n     * @return {object|null}\n     */\n    var getDropZoneFromEvent = function(e) {\n        var dropZone = $(e.target).closest(SELECTORS.DROP_ZONE);\n        return (dropZone.length) ? dropZone : null;\n    };\n\n    /**\n     * Determine if the given dropzone element is within the acceptable\n     * time range.\n     *\n     * The drop zone timestamp is midnight on that day so we should check\n     * that the event's acceptable timestart value\n     *\n     * @param {object} dropZone The drop zone day from the calendar\n     * @return {bool}\n     */\n    var isValidDropZone = function(dropZone) {\n        var dropTimestamp = dropZone.attr('data-day-timestamp');\n        var minTimestart = DataStore.getMinTimestart();\n        var maxTimestart = DataStore.getMaxTimestart();\n\n        if (minTimestart && minTimestart > dropTimestamp) {\n            return false;\n        }\n\n        if (maxTimestart && maxTimestart < dropTimestamp) {\n            return false;\n        }\n\n        return true;\n    };\n\n    /**\n     * Get the error string to display for a given drop zone element\n     * if it is invalid.\n     *\n     * @param {object} dropZone The drop zone day from the calendar\n     * @return {string}\n     */\n    var getDropZoneError = function(dropZone) {\n        var dropTimestamp = dropZone.attr('data-day-timestamp');\n        var minTimestart = DataStore.getMinTimestart();\n        var maxTimestart = DataStore.getMaxTimestart();\n\n        if (minTimestart && minTimestart > dropTimestamp) {\n            return DataStore.getMinError();\n        }\n\n        if (maxTimestart && maxTimestart < dropTimestamp) {\n            return DataStore.getMaxError();\n        }\n\n        return null;\n    };\n\n    /**\n     * Remove all of the styling from each of the drop zones in the calendar.\n     */\n    var clearAllDropZonesState = function() {\n        $(SELECTORS.ROOT).find(SELECTORS.DROP_ZONE).each(function(index, dropZone) {\n            dropZone = $(dropZone);\n            dropZone.removeClass(ALL_CLASSES);\n        });\n    };\n\n    /**\n     * Update the hover state for the event in the calendar to reflect\n     * which days the event will be moved to.\n     *\n     * If the drop zone is not being hovered then it will apply some\n     * styling to reflect whether the drop zone is a valid or invalid\n     * drop place for the current dragging event.\n     *\n     * This funciton supports events spanning multiple days and will\n     * recurse to highlight (or remove highlight) each of the days\n     * that the event will be moved to.\n     *\n     * For example: An event with a duration of 3 days will have\n     * 3 days highlighted when it's dragged elsewhere in the calendar.\n     * The current drag target and the 2 days following it (including\n     * wrapping to the next week if necessary).\n     *\n     * @param {string|object} target The drag target element\n     * @param {bool} hovered If the target is hovered or not\n     * @param {int} count How many days to highlight (default to duration)\n     */\n    var updateHoverState = function(dropZone, hovered, count) {\n        if (typeof count === 'undefined') {\n            // This is how many days we need to highlight.\n            count = DataStore.getDurationDays();\n        }\n\n        var valid = isValidDropZone(dropZone);\n        dropZone.removeClass(ALL_CLASSES);\n\n        if (hovered) {\n\n            if (valid) {\n                dropZone.addClass(VALID_HOVER_CLASS);\n            } else {\n                dropZone.addClass(INVALID_HOVER_CLASS);\n            }\n        } else {\n            dropZone.removeClass(VALID_HOVER_CLASS + ' ' + INVALID_HOVER_CLASS);\n\n            if (!valid) {\n                dropZone.addClass(INVALID_DROP_ZONE_CLASS);\n            }\n        }\n\n        count--;\n\n        // If we've still got days to highlight then we should\n        // find the next day.\n        if (count > 0) {\n            var nextDropZone = dropZone.next();\n\n            // If there are no more days in this week then we\n            // need to move down to the next week in the calendar.\n            if (!nextDropZone.length) {\n                var nextWeek = dropZone.closest(SELECTORS.WEEK).next();\n\n                if (nextWeek.length) {\n                    nextDropZone = nextWeek.children(SELECTORS.DROP_ZONE).first();\n                }\n            }\n\n            // If we found another day then let's recursively\n            // update it's hover state.\n            if (nextDropZone.length) {\n                updateHoverState(nextDropZone, hovered, count);\n            }\n        }\n    };\n\n    /**\n     * Find all of the calendar event drop zones in the calendar and update the display\n     * for the user to indicate which zones are valid and invalid.\n     */\n    var updateAllDropZonesState = function() {\n        $(SELECTORS.ROOT).find(SELECTORS.DROP_ZONE).each(function(index, dropZone) {\n            dropZone = $(dropZone);\n\n            if (!isValidDropZone(dropZone)) {\n                updateHoverState(dropZone, false);\n            }\n        });\n    };\n\n\n    /**\n     * Set up the module level variables to track which event is being\n     * dragged and how many days it spans.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dragstartHandler = function(e) {\n        var target = $(e.target);\n        var draggableElement = target.closest(SELECTORS.DRAGGABLE);\n\n        if (!draggableElement.length) {\n            return;\n        }\n\n        var eventElement = draggableElement.find('[data-event-id]');\n        var eventId = eventElement.attr('data-event-id');\n        var minTimestart = draggableElement.attr('data-min-day-timestamp');\n        var maxTimestart = draggableElement.attr('data-max-day-timestamp');\n        var minError = draggableElement.attr('data-min-day-error');\n        var maxError = draggableElement.attr('data-max-day-error');\n        var eventsSelector = SELECTORS.ROOT + ' [data-event-id=\"' + eventId + '\"]';\n        var duration = $(eventsSelector).length;\n\n        DataStore.setEventId(eventId);\n        DataStore.setDurationDays(duration);\n\n        if (minTimestart) {\n            DataStore.setMinTimestart(minTimestart);\n        }\n\n        if (maxTimestart) {\n            DataStore.setMaxTimestart(maxTimestart);\n        }\n\n        if (minError) {\n            DataStore.setMinError(minError);\n        }\n\n        if (maxError) {\n            DataStore.setMaxError(maxError);\n        }\n\n        e.dataTransfer.effectAllowed = \"move\";\n        e.dataTransfer.dropEffect = \"move\";\n        // Firefox requires a value to be set here or the drag won't\n        // work and the dragover handler won't fire.\n        e.dataTransfer.setData('text/plain', eventId);\n        e.dropEffect = \"move\";\n\n        updateAllDropZonesState();\n    };\n\n    /**\n     * Update the hover state of the target day element when\n     * the user is dragging an event over it.\n     *\n     * This will add a visual indicator to the calendar UI to\n     * indicate which day(s) the event will be moved to.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dragoverHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        e.preventDefault();\n\n        var dropZone = getDropZoneFromEvent(e);\n\n        if (!dropZone) {\n            return;\n        }\n\n        updateHoverState(dropZone, true);\n    };\n\n    /**\n     * Update the hover state of the target day element that was\n     * previously dragged over but has is no longer a drag target.\n     *\n     * This will remove the visual indicator from the calendar UI\n     * that was added by the dragoverHandler.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dragleaveHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        var dropZone = getDropZoneFromEvent(e);\n\n        if (!dropZone) {\n            return;\n        }\n\n        updateHoverState(dropZone, false);\n        e.preventDefault();\n    };\n\n    /**\n     * Determines the event element, origin day, and destination day\n     * once the user drops the calendar event. These three bits of data\n     * are provided as the payload to the \"moveEvent\" calendar javascript\n     * event that is fired.\n     *\n     * This will remove the visual indicator from the calendar UI\n     * that was added by the dragoverHandler.\n     *\n     * @param {event} e The dragstart event\n     */\n    var dropHandler = function(e) {\n        // Ignore dragging of non calendar events.\n        if (!DataStore.hasEventId()) {\n            return;\n        }\n\n        var dropZone = getDropZoneFromEvent(e);\n\n        if (!dropZone) {\n            DataStore.clearAll();\n            clearAllDropZonesState();\n            return;\n        }\n\n        if (isValidDropZone(dropZone)) {\n            var eventId = DataStore.getEventId();\n            var eventElementSelector = SELECTORS.ROOT + ' [data-event-id=\"' + eventId + '\"]';\n            var eventElement = $(eventElementSelector);\n            var origin = null;\n\n            if (eventElement.length) {\n                origin = eventElement.closest(SELECTORS.DROP_ZONE);\n            }\n\n            $('body').trigger(CalendarEvents.moveEvent, [eventId, origin, dropZone]);\n        } else {\n            // If the drop zone is not valid then there is not need for us to\n            // try to process it. Instead we can just show an error to the user.\n            var message = getDropZoneError(dropZone);\n            Str.get_string('errorinvaliddate', 'calendar').then(function(string) {\n                Notification.exception({\n                    name: string,\n                    message: message || string\n                });\n            });\n        }\n\n        DataStore.clearAll();\n        clearAllDropZonesState();\n\n        e.preventDefault();\n    };\n\n    /**\n     * Clear the data store and remove the drag indicators from the UI\n     * when the drag event has finished.\n     */\n    var dragendHandler = function() {\n        DataStore.clearAll();\n        clearAllDropZonesState();\n    };\n\n    /**\n     * Re-render the drop zones in the new month to highlight\n     * which areas are or aren't acceptable to drop the calendar\n     * event.\n     */\n    var calendarMonthChangedHandler = function() {\n        updateAllDropZonesState();\n    };\n\n    return {\n        /**\n         * Initialise the event handlers for the drag events.\n         */\n        init: function() {\n            if (!registered) {\n                // These handlers are only added the first time the module\n                // is loaded because we don't want to have a new listener\n                // added each time the \"init\" function is called otherwise we'll\n                // end up with lots of stale handlers.\n                document.addEventListener('dragstart', dragstartHandler, false);\n                document.addEventListener('dragover', dragoverHandler, false);\n                document.addEventListener('dragleave', dragleaveHandler, false);\n                document.addEventListener('drop', dropHandler, false);\n                document.addEventListener('dragend', dragendHandler, false);\n                $('body').on(CalendarEvents.monthChanged, calendarMonthChangedHandler);\n                registered = true;\n            }\n        },\n    };\n});\n"],"names":["define","$","Notification","Str","CalendarEvents","DataStore","SELECTORS","ALL_CLASSES","INVALID_DROP_ZONE_CLASS","registered","getDropZoneFromEvent","e","dropZone","target","closest","length","isValidDropZone","dropTimestamp","attr","minTimestart","getMinTimestart","maxTimestart","getMaxTimestart","clearAllDropZonesState","find","each","index","removeClass","updateHoverState","hovered","count","getDurationDays","valid","addClass","VALID_HOVER_CLASS","nextDropZone","next","nextWeek","children","first","updateAllDropZonesState","dragstartHandler","draggableElement","eventId","minError","maxError","duration","setEventId","setDurationDays","setMinTimestart","setMaxTimestart","setMinError","setMaxError","dataTransfer","effectAllowed","dropEffect","setData","dragoverHandler","hasEventId","preventDefault","dragleaveHandler","dropHandler","clearAll","getEventId","eventElement","origin","trigger","moveEvent","message","getMinError","getMaxError","getDropZoneError","get_string","then","string","exception","name","dragendHandler","calendarMonthChangedHandler","init","document","addEventListener","on","monthChanged"],"mappings":";;;;;;;;;;AAyBAA,4CAAO,CACK,SACA,oBACA,WACA,uBACA,uCAEJ,SACIC,EACAC,aACAC,IACAC,eACAC,eAGJC,eACM,2BADNA,oBAEW,+CAFXA,oBAGW,oCAHXA,eAIM,kCAKNC,YAAcC,sDAEdC,YAAa,EASbC,qBAAuB,SAASC,OAC5BC,SAAWX,EAAEU,EAAEE,QAAQC,QAAQR,4BAC3BM,SAASG,OAAUH,SAAW,MAatCI,gBAAkB,SAASJ,cACvBK,cAAgBL,SAASM,KAAK,sBAC9BC,aAAed,UAAUe,kBACzBC,aAAehB,UAAUiB,0BAEzBH,cAAgBA,aAAeF,kBAI/BI,cAAgBA,aAAeJ,gBAiCnCM,uBAAyB,WACzBtB,EAAEK,gBAAgBkB,KAAKlB,qBAAqBmB,MAAK,SAASC,MAAOd,WAC7DA,SAAWX,EAAEW,WACJe,YAAYpB,iBAyBzBqB,iBAAmB,SAAnBA,iBAA4BhB,SAAUiB,QAASC,YAC1B,IAAVA,QAEPA,MAAQzB,UAAU0B,uBAGlBC,MAAQhB,gBAAgBJ,aAC5BA,SAASe,YAAYpB,aAEjBsB,QAEIG,MACApB,SAASqB,SA7GG,yBA+GZrB,SAASqB,SAhHK,yBAmHlBrB,SAASe,YAAYO,8CAEhBF,OACDpB,SAASqB,SAvHS,eA2H1BH,MAIY,EAAG,KACPK,aAAevB,SAASwB,WAIvBD,aAAapB,OAAQ,KAClBsB,SAAWzB,SAASE,QAAQR,gBAAgB8B,OAE5CC,SAAStB,SACToB,aAAeE,SAASC,SAAShC,qBAAqBiC,SAM1DJ,aAAapB,QACba,iBAAiBO,aAAcN,QAASC,SAShDU,wBAA0B,WAC1BvC,EAAEK,gBAAgBkB,KAAKlB,qBAAqBmB,MAAK,SAASC,MAAOd,UAC7DA,SAAWX,EAAEW,UAERI,gBAAgBJ,WACjBgB,iBAAiBhB,UAAU,OAYnC6B,iBAAmB,SAAS9B,OAExB+B,iBADSzC,EAAEU,EAAEE,QACaC,QAAQR,wBAEjCoC,iBAAiB3B,YAKlB4B,QADeD,iBAAiBlB,KAAK,mBACdN,KAAK,iBAC5BC,aAAeuB,iBAAiBxB,KAAK,0BACrCG,aAAeqB,iBAAiBxB,KAAK,0BACrC0B,SAAWF,iBAAiBxB,KAAK,sBACjC2B,SAAWH,iBAAiBxB,KAAK,sBAEjC4B,SAAW7C,EADMK,eAAiB,oBAAsBqC,QAAU,MACrC5B,OAEjCV,UAAU0C,WAAWJ,SACrBtC,UAAU2C,gBAAgBF,UAEtB3B,cACAd,UAAU4C,gBAAgB9B,cAG1BE,cACAhB,UAAU6C,gBAAgB7B,cAG1BuB,UACAvC,UAAU8C,YAAYP,UAGtBC,UACAxC,UAAU+C,YAAYP,UAG1BlC,EAAE0C,aAAaC,cAAgB,OAC/B3C,EAAE0C,aAAaE,WAAa,OAG5B5C,EAAE0C,aAAaG,QAAQ,aAAcb,SACrChC,EAAE4C,WAAa,OAEff,4BAYAiB,gBAAkB,SAAS9C,MAEtBN,UAAUqD,cAIf/C,EAAEgD,qBAEE/C,SAAWF,qBAAqBC,GAE/BC,UAILgB,iBAAiBhB,UAAU,KAY3BgD,iBAAmB,SAASjD,MAEvBN,UAAUqD,kBAIX9C,SAAWF,qBAAqBC,GAE/BC,WAILgB,iBAAiBhB,UAAU,GAC3BD,EAAEgD,oBAcFE,YAAc,SAASlD,MAElBN,UAAUqD,kBAIX9C,SAAWF,qBAAqBC,OAE/BC,gBACDP,UAAUyD,gBACVvC,4BAIAP,gBAAgBJ,UAAW,KACvB+B,QAAUtC,UAAU0D,aAEpBC,aAAe/D,EADQK,eAAiB,oBAAsBqC,QAAU,MAExEsB,OAAS,KAETD,aAAajD,SACbkD,OAASD,aAAalD,QAAQR,sBAGlCL,EAAE,QAAQiE,QAAQ9D,eAAe+D,UAAW,CAACxB,QAASsB,OAAQrD,eAC3D,KAGCwD,QA7PW,SAASxD,cACxBK,cAAgBL,SAASM,KAAK,sBAC9BC,aAAed,UAAUe,kBACzBC,aAAehB,UAAUiB,yBAEzBH,cAAgBA,aAAeF,cACxBZ,UAAUgE,cAGjBhD,cAAgBA,aAAeJ,cACxBZ,UAAUiE,cAGd,KAgPWC,CAAiB3D,UAC/BT,IAAIqE,WAAW,mBAAoB,YAAYC,MAAK,SAASC,QACzDxE,aAAayE,UAAU,CACnBC,KAAMF,OACNN,QAASA,SAAWM,YAKhCrE,UAAUyD,WACVvC,yBAEAZ,EAAEgD,mBAOFkB,eAAiB,WACjBxE,UAAUyD,WACVvC,0BAQAuD,4BAA8B,WAC9BtC,iCAGG,CAIHuC,KAAM,WACGtE,aAKDuE,SAASC,iBAAiB,YAAaxC,kBAAkB,GACzDuC,SAASC,iBAAiB,WAAYxB,iBAAiB,GACvDuB,SAASC,iBAAiB,YAAarB,kBAAkB,GACzDoB,SAASC,iBAAiB,OAAQpB,aAAa,GAC/CmB,SAASC,iBAAiB,UAAWJ,gBAAgB,GACrD5E,EAAE,QAAQiF,GAAG9E,eAAe+E,aAAcL,6BAC1CrE,YAAa"}
\ No newline at end of file
diff --git a/calendar/amd/build/repository.min.js b/calendar/amd/build/repository.min.js
index 446d91ed4a1..52e9474e88c 100644
--- a/calendar/amd/build/repository.min.js
+++ b/calendar/amd/build/repository.min.js
@@ -1,2 +1,12 @@
-define ("core_calendar/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.updateEventStartDay=a.submitCreateUpdateForm=a.getEventById=a.getCourseGroupsData=a.getCalendarUpcomingData=a.getCalendarMonthData=a.getCalendarDayData=a.deleteEvent=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(a){var c=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;return b.default.call([{methodname:"core_calendar_delete_calendar_events",args:{events:[{eventid:a,repeat:c}]}}])[0]};a.deleteEvent=c;var d=function(a){return b.default.call([{methodname:"core_calendar_get_calendar_event_by_id",args:{eventid:a}}])[0]};a.getEventById=d;var e=function(a){return b.default.call([{methodname:"core_calendar_submit_create_update_form",args:{formdata:a}}])[0]};a.submitCreateUpdateForm=e;var f=function(a,c,d,e,f,g){var h=6<arguments.length&&arguments[6]!==void 0?arguments[6]:1;return b.default.call([{methodname:"core_calendar_get_calendar_monthly_view",args:{year:a,month:c,courseid:d,categoryid:e,includenavigation:f,mini:g,day:h}}])[0]};a.getCalendarMonthData=f;var g=function(a,c,d,e,f){return b.default.call([{methodname:"core_calendar_get_calendar_day_view",args:{year:a,month:c,day:d,courseid:e,categoryid:f}}])[0]};a.getCalendarDayData=g;var h=function(a,c){return b.default.call([{methodname:"core_calendar_update_event_start_day",args:{eventid:a,daytimestamp:c}}])[0]};a.updateEventStartDay=h;var i=function(a,c){return b.default.call([{methodname:"core_calendar_get_calendar_upcoming_view",args:{courseid:a,categoryid:c}}])[0]};a.getCalendarUpcomingData=i;var j=function(a){return b.default.call([{methodname:"core_group_get_course_groups",args:{courseid:a}}])[0]};a.getCourseGroupsData=j});
-//# sourceMappingURL=repository.min.js.map
+define("core_calendar/repository",["exports","core/ajax"],(function(_exports,_ajax){var obj;
+/**
+   * A javascript module to handle calendar ajax actions.
+   *
+   * @module     core_calendar/repository
+   * @class      repository
+   * @package    core_calendar
+   * @copyright  2017 Simey Lameze <lameze@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.updateEventStartDay=_exports.submitCreateUpdateForm=_exports.getEventById=_exports.getCourseGroupsData=_exports.getCalendarUpcomingData=_exports.getCalendarMonthData=_exports.getCalendarDayData=_exports.deleteEvent=void 0,_ajax=(obj=_ajax)&&obj.__esModule?obj:{default:obj};_exports.deleteEvent=function(eventId){var deleteSeries=arguments.length>1&&void 0!==arguments[1]&&arguments[1],request={methodname:"core_calendar_delete_calendar_events",args:{events:[{eventid:eventId,repeat:deleteSeries}]}};return _ajax.default.call([request])[0]};_exports.getEventById=function(eventId){var request={methodname:"core_calendar_get_calendar_event_by_id",args:{eventid:eventId}};return _ajax.default.call([request])[0]};_exports.submitCreateUpdateForm=function(formData){var request={methodname:"core_calendar_submit_create_update_form",args:{formdata:formData}};return _ajax.default.call([request])[0]};_exports.getCalendarMonthData=function(year,month,courseId,categoryId,includeNavigation,mini){var day=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1,request={methodname:"core_calendar_get_calendar_monthly_view",args:{year:year,month:month,courseid:courseId,categoryid:categoryId,includenavigation:includeNavigation,mini:mini,day:day}};return _ajax.default.call([request])[0]};_exports.getCalendarDayData=function(year,month,day,courseId,categoryId){var request={methodname:"core_calendar_get_calendar_day_view",args:{year:year,month:month,day:day,courseid:courseId,categoryid:categoryId}};return _ajax.default.call([request])[0]};_exports.updateEventStartDay=function(eventId,dayTimestamp){var request={methodname:"core_calendar_update_event_start_day",args:{eventid:eventId,daytimestamp:dayTimestamp}};return _ajax.default.call([request])[0]};_exports.getCalendarUpcomingData=function(courseId,categoryId){var request={methodname:"core_calendar_get_calendar_upcoming_view",args:{courseid:courseId,categoryid:categoryId}};return _ajax.default.call([request])[0]};_exports.getCourseGroupsData=function(courseId){var request={methodname:"core_group_get_course_groups",args:{courseid:courseId}};return _ajax.default.call([request])[0]}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/repository.min.js.map b/calendar/amd/build/repository.min.js.map
index 1cace37b8a2..c2bc2f2fc37 100644
--- a/calendar/amd/build/repository.min.js.map
+++ b/calendar/amd/build/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/repository.js"],"names":["deleteEvent","eventId","deleteSeries","Ajax","call","methodname","args","events","eventid","repeat","getEventById","submitCreateUpdateForm","formData","formdata","getCalendarMonthData","year","month","courseId","categoryId","includeNavigation","mini","day","courseid","categoryid","includenavigation","getCalendarDayData","updateEventStartDay","dayTimestamp","daytimestamp","getCalendarUpcomingData","getCourseGroupsData"],"mappings":"sTAwBA,uDAUO,GAAMA,CAAAA,CAAW,CAAG,SAACC,CAAD,CAAmC,IAAzBC,CAAAA,CAAyB,2DAW1D,MAAOC,WAAKC,IAAL,CAAU,CAVD,CACZC,UAAU,CAAE,sCADA,CAEZC,IAAI,CAAE,CACFC,MAAM,CAAE,CAAC,CACLC,OAAO,CAAEP,CADJ,CAELQ,MAAM,CAAEP,CAFH,CAAD,CADN,CAFM,CAUC,CAAV,EAAqB,CAArB,CACV,CAZM,C,gBAqBA,GAAMQ,CAAAA,CAAY,CAAG,SAACT,CAAD,CAAa,CASrC,MAAOE,WAAKC,IAAL,CAAU,CAPD,CACZC,UAAU,CAAE,wCADA,CAEZC,IAAI,CAAE,CACFE,OAAO,CAAEP,CADP,CAFM,CAOC,CAAV,EAAqB,CAArB,CACV,CAVM,C,iBAmBA,GAAMU,CAAAA,CAAsB,CAAG,SAACC,CAAD,CAAc,CAQhD,MAAOT,WAAKC,IAAL,CAAU,CAPD,CACZC,UAAU,CAAE,yCADA,CAEZC,IAAI,CAAE,CACFO,QAAQ,CAAED,CADR,CAFM,CAOC,CAAV,EAAqB,CAArB,CACV,CATM,C,2BAwBA,GAAME,CAAAA,CAAoB,CAAG,SAACC,CAAD,CAAOC,CAAP,CAAcC,CAAd,CAAwBC,CAAxB,CAAoCC,CAApC,CAAuDC,CAAvD,CAAyE,IAAZC,CAAAA,CAAY,wDAAN,CAAM,CAczG,MAAOlB,WAAKC,IAAL,CAAU,CAbD,CACZC,UAAU,CAAE,yCADA,CAEZC,IAAI,CAAE,CACFS,IAAI,CAAJA,CADE,CAEFC,KAAK,CAALA,CAFE,CAGFM,QAAQ,CAAEL,CAHR,CAIFM,UAAU,CAAEL,CAJV,CAKFM,iBAAiB,CAAEL,CALjB,CAMFC,IAAI,CAAJA,CANE,CAOFC,GAAG,CAAHA,CAPE,CAFM,CAaC,CAAV,EAAqB,CAArB,CACV,CAfM,C,yBA4BA,GAAMI,CAAAA,CAAkB,CAAG,SAACV,CAAD,CAAOC,CAAP,CAAcK,CAAd,CAAmBJ,CAAnB,CAA6BC,CAA7B,CAA4C,CAY1E,MAAOf,WAAKC,IAAL,CAAU,CAXD,CACZC,UAAU,CAAE,qCADA,CAEZC,IAAI,CAAE,CACFS,IAAI,CAAJA,CADE,CAEFC,KAAK,CAALA,CAFE,CAGFK,GAAG,CAAHA,CAHE,CAIFC,QAAQ,CAAEL,CAJR,CAKFM,UAAU,CAAEL,CALV,CAFM,CAWC,CAAV,EAAqB,CAArB,CACV,CAbM,C,uBAwBA,GAAMQ,CAAAA,CAAmB,CAAG,SAACzB,CAAD,CAAU0B,CAAV,CAA2B,CAS1D,MAAOxB,WAAKC,IAAL,CAAU,CARD,CACZC,UAAU,CAAE,sCADA,CAEZC,IAAI,CAAE,CACFE,OAAO,CAAEP,CADP,CAEF2B,YAAY,CAAED,CAFZ,CAFM,CAQC,CAAV,EAAqB,CAArB,CACV,CAVM,C,wBAoBA,GAAME,CAAAA,CAAuB,CAAG,SAACZ,CAAD,CAAWC,CAAX,CAA0B,CAS7D,MAAOf,WAAKC,IAAL,CAAU,CARD,CACZC,UAAU,CAAE,0CADA,CAEZC,IAAI,CAAE,CACFgB,QAAQ,CAAEL,CADR,CAEFM,UAAU,CAAEL,CAFV,CAFM,CAQC,CAAV,EAAqB,CAArB,CACV,CAVM,C,4BAkBA,GAAMY,CAAAA,CAAmB,CAAG,SAACb,CAAD,CAAc,CAQ7C,MAAOd,WAAKC,IAAL,CAAU,CAPD,CACZC,UAAU,CAAE,8BADA,CAEZC,IAAI,CAAE,CACFgB,QAAQ,CAAEL,CADR,CAFM,CAOC,CAAV,EAAqB,CAArB,CACV,CATM,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle calendar ajax actions.\n *\n * @module     core_calendar/repository\n * @class      repository\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <lameze@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Ajax from 'core/ajax';\n\n/**\n * Delete a calendar event.\n *\n * @method deleteEvent\n * @param {number} eventId The event id.\n * @param {boolean} deleteSeries Whether to delete all events in the series\n * @return {promise} Resolved with requested calendar event\n */\nexport const deleteEvent = (eventId, deleteSeries = false) => {\n    const request = {\n        methodname: 'core_calendar_delete_calendar_events',\n        args: {\n            events: [{\n                eventid: eventId,\n                repeat: deleteSeries,\n            }]\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get a calendar event by id.\n *\n * @method getEventById\n * @param {number} eventId The event id.\n * @return {promise} Resolved with requested calendar event\n */\nexport const getEventById = (eventId) => {\n\n    const request = {\n        methodname: 'core_calendar_get_calendar_event_by_id',\n        args: {\n            eventid: eventId\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Submit the form data for the event form.\n *\n * @method submitCreateUpdateForm\n * @param {string} formData The URL encoded values from the form\n * @return {promise} Resolved with the new or edited event\n */\nexport const submitCreateUpdateForm = (formData) => {\n    const request = {\n        methodname: 'core_calendar_submit_create_update_form',\n        args: {\n            formdata: formData\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get calendar data for the month view.\n *\n * @method getCalendarMonthData\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The course id.\n * @param {number} categoryId The category id.\n * @param {boolean} includeNavigation Whether to include navigation.\n * @param {boolean} mini Whether the month is in mini view.\n * @param {number} day Day (optional)\n * @return {promise} Resolved with the month view data.\n */\nexport const getCalendarMonthData = (year, month, courseId, categoryId, includeNavigation, mini, day = 1) => {\n    const request = {\n        methodname: 'core_calendar_get_calendar_monthly_view',\n        args: {\n            year,\n            month,\n            courseid: courseId,\n            categoryid: categoryId,\n            includenavigation: includeNavigation,\n            mini,\n            day,\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get calendar data for the day view.\n *\n * @method getCalendarDayData\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} day Day\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise} Resolved with the day view data.\n */\nexport const getCalendarDayData = (year, month, day, courseId, categoryId) => {\n    const request = {\n        methodname: 'core_calendar_get_calendar_day_view',\n        args: {\n            year,\n            month,\n            day,\n            courseid: courseId,\n            categoryid: categoryId,\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Change the start day for the given event id. The day timestamp\n * only has to be any time during the target day because only the\n * date information is extracted, the time of the day is ignored.\n *\n * @param {int} eventId The id of the event to update\n * @param {int} dayTimestamp A timestamp for some time during the target day\n * @return {promise}\n */\nexport const updateEventStartDay = (eventId, dayTimestamp) => {\n    const request = {\n        methodname: 'core_calendar_update_event_start_day',\n        args: {\n            eventid: eventId,\n            daytimestamp: dayTimestamp\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get calendar upcoming data.\n *\n * @method getCalendarUpcomingData\n * @param {number} courseId The course id.\n * @param {number} categoryId The category id.\n * @return {promise} Resolved with the month view data.\n */\nexport const getCalendarUpcomingData = (courseId, categoryId) => {\n    const request = {\n        methodname: 'core_calendar_get_calendar_upcoming_view',\n        args: {\n            courseid: courseId,\n            categoryid: categoryId,\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get the groups by course id.\n *\n * @param {Number} courseId The course id to fetch the groups from.\n * @return {promise} Resolved with the course groups.\n */\nexport const getCourseGroupsData = (courseId) => {\n    const request = {\n        methodname: 'core_group_get_course_groups',\n        args: {\n            courseid: courseId\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../src/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle calendar ajax actions.\n *\n * @module     core_calendar/repository\n * @class      repository\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <lameze@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Ajax from 'core/ajax';\n\n/**\n * Delete a calendar event.\n *\n * @method deleteEvent\n * @param {number} eventId The event id.\n * @param {boolean} deleteSeries Whether to delete all events in the series\n * @return {promise} Resolved with requested calendar event\n */\nexport const deleteEvent = (eventId, deleteSeries = false) => {\n    const request = {\n        methodname: 'core_calendar_delete_calendar_events',\n        args: {\n            events: [{\n                eventid: eventId,\n                repeat: deleteSeries,\n            }]\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get a calendar event by id.\n *\n * @method getEventById\n * @param {number} eventId The event id.\n * @return {promise} Resolved with requested calendar event\n */\nexport const getEventById = (eventId) => {\n\n    const request = {\n        methodname: 'core_calendar_get_calendar_event_by_id',\n        args: {\n            eventid: eventId\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Submit the form data for the event form.\n *\n * @method submitCreateUpdateForm\n * @param {string} formData The URL encoded values from the form\n * @return {promise} Resolved with the new or edited event\n */\nexport const submitCreateUpdateForm = (formData) => {\n    const request = {\n        methodname: 'core_calendar_submit_create_update_form',\n        args: {\n            formdata: formData\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get calendar data for the month view.\n *\n * @method getCalendarMonthData\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The course id.\n * @param {number} categoryId The category id.\n * @param {boolean} includeNavigation Whether to include navigation.\n * @param {boolean} mini Whether the month is in mini view.\n * @param {number} day Day (optional)\n * @return {promise} Resolved with the month view data.\n */\nexport const getCalendarMonthData = (year, month, courseId, categoryId, includeNavigation, mini, day = 1) => {\n    const request = {\n        methodname: 'core_calendar_get_calendar_monthly_view',\n        args: {\n            year,\n            month,\n            courseid: courseId,\n            categoryid: categoryId,\n            includenavigation: includeNavigation,\n            mini,\n            day,\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get calendar data for the day view.\n *\n * @method getCalendarDayData\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} day Day\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise} Resolved with the day view data.\n */\nexport const getCalendarDayData = (year, month, day, courseId, categoryId) => {\n    const request = {\n        methodname: 'core_calendar_get_calendar_day_view',\n        args: {\n            year,\n            month,\n            day,\n            courseid: courseId,\n            categoryid: categoryId,\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Change the start day for the given event id. The day timestamp\n * only has to be any time during the target day because only the\n * date information is extracted, the time of the day is ignored.\n *\n * @param {int} eventId The id of the event to update\n * @param {int} dayTimestamp A timestamp for some time during the target day\n * @return {promise}\n */\nexport const updateEventStartDay = (eventId, dayTimestamp) => {\n    const request = {\n        methodname: 'core_calendar_update_event_start_day',\n        args: {\n            eventid: eventId,\n            daytimestamp: dayTimestamp\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get calendar upcoming data.\n *\n * @method getCalendarUpcomingData\n * @param {number} courseId The course id.\n * @param {number} categoryId The category id.\n * @return {promise} Resolved with the month view data.\n */\nexport const getCalendarUpcomingData = (courseId, categoryId) => {\n    const request = {\n        methodname: 'core_calendar_get_calendar_upcoming_view',\n        args: {\n            courseid: courseId,\n            categoryid: categoryId,\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n\n/**\n * Get the groups by course id.\n *\n * @param {Number} courseId The course id to fetch the groups from.\n * @return {promise} Resolved with the course groups.\n */\nexport const getCourseGroupsData = (courseId) => {\n    const request = {\n        methodname: 'core_group_get_course_groups',\n        args: {\n            courseid: courseId\n        }\n    };\n\n    return Ajax.call([request])[0];\n};\n"],"names":["eventId","deleteSeries","request","methodname","args","events","eventid","repeat","Ajax","call","formData","formdata","year","month","courseId","categoryId","includeNavigation","mini","day","courseid","categoryid","includenavigation","dayTimestamp","daytimestamp"],"mappings":";;;;;;;;;6WAkC2B,SAACA,aAASC,qEAC3BC,QAAU,CACZC,WAAY,uCACZC,KAAM,CACFC,OAAQ,CAAC,CACLC,QAASN,QACTO,OAAQN,wBAKbO,cAAKC,KAAK,CAACP,UAAU,0BAUJ,SAACF,aAEnBE,QAAU,CACZC,WAAY,yCACZC,KAAM,CACFE,QAASN,iBAIVQ,cAAKC,KAAK,CAACP,UAAU,oCAUM,SAACQ,cAC7BR,QAAU,CACZC,WAAY,0CACZC,KAAM,CACFO,SAAUD,kBAIXF,cAAKC,KAAK,CAACP,UAAU,kCAgBI,SAACU,KAAMC,MAAOC,SAAUC,WAAYC,kBAAmBC,UAAMC,2DAAM,EAC7FhB,QAAU,CACZC,WAAY,0CACZC,KAAM,CACFQ,KAAAA,KACAC,MAAAA,MACAM,SAAUL,SACVM,WAAYL,WACZM,kBAAmBL,kBACnBC,KAAAA,KACAC,IAAAA,aAIDV,cAAKC,KAAK,CAACP,UAAU,gCAcE,SAACU,KAAMC,MAAOK,IAAKJ,SAAUC,gBACrDb,QAAU,CACZC,WAAY,sCACZC,KAAM,CACFQ,KAAAA,KACAC,MAAAA,MACAK,IAAAA,IACAC,SAAUL,SACVM,WAAYL,oBAIbP,cAAKC,KAAK,CAACP,UAAU,iCAYG,SAACF,QAASsB,kBACnCpB,QAAU,CACZC,WAAY,uCACZC,KAAM,CACFE,QAASN,QACTuB,aAAcD,sBAIfd,cAAKC,KAAK,CAACP,UAAU,qCAWO,SAACY,SAAUC,gBACxCb,QAAU,CACZC,WAAY,2CACZC,KAAM,CACFe,SAAUL,SACVM,WAAYL,oBAIbP,cAAKC,KAAK,CAACP,UAAU,iCASG,SAACY,cAC1BZ,QAAU,CACZC,WAAY,+BACZC,KAAM,CACFe,SAAUL,kBAIXN,cAAKC,KAAK,CAACP,UAAU"}
\ No newline at end of file
diff --git a/calendar/amd/build/selectors.min.js b/calendar/amd/build/selectors.min.js
index bcb161f5079..1d3c1af6d0c 100644
--- a/calendar/amd/build/selectors.min.js
+++ b/calendar/amd/build/selectors.min.js
@@ -1,2 +1,11 @@
-define ("core_calendar/selectors",[],function(){return{eventFilterItem:"[data-action='filter-event-type']",eventType:{site:"[data-eventtype-site]",category:"[data-eventtype-category]",course:"[data-eventtype-course]",group:"[data-eventtype-group]",user:"[data-eventtype-user]",other:"[data-eventtype-other]"},popoverType:{site:"[data-popover-eventtype-site]",category:"[data-popover-eventtype-category]",course:"[data-popover-eventtype-course]",group:"[data-popover-eventtype-group]",user:"[data-popover-eventtype-user]",other:"[data-popover-eventtype-other]"},calendarPeriods:{month:"[data-period='month']"},courseSelector:"select[name=\"course\"]",viewSelector:"div[data-region=\"view-selector\"]",actions:{create:"[data-action=\"new-event-button\"]",edit:"[data-action=\"edit\"]",remove:"[data-action=\"delete\"]",viewEvent:"[data-action=\"view-event\"]"},elements:{courseSelector:"select[name=\"course\"]"},today:".today",day:"[data-region=\"day\"]",calendarMain:"[data-region=\"calendar\"]",wrapper:".calendarwrapper",eventItem:"[data-type=\"event\"]",links:{navLink:".calendarwrapper .arrow_link",eventLink:"[data-region='event-item']",miniDayLink:"[data-region='mini-day-link']"},containers:{loadingIcon:"[data-region=\"overlay-icon-container\"]"}}});
-//# sourceMappingURL=selectors.min.js.map
+/**
+ * This module is responsible for the calendar filter.
+ *
+ * @module     core_calendar/calendar_selectors
+ * @package    core_calendar
+ * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/selectors",[],(function(){return{eventFilterItem:"[data-action='filter-event-type']",eventType:{site:"[data-eventtype-site]",category:"[data-eventtype-category]",course:"[data-eventtype-course]",group:"[data-eventtype-group]",user:"[data-eventtype-user]",other:"[data-eventtype-other]"},popoverType:{site:"[data-popover-eventtype-site]",category:"[data-popover-eventtype-category]",course:"[data-popover-eventtype-course]",group:"[data-popover-eventtype-group]",user:"[data-popover-eventtype-user]",other:"[data-popover-eventtype-other]"},calendarPeriods:{month:"[data-period='month']"},courseSelector:'select[name="course"]',viewSelector:'div[data-region="view-selector"]',actions:{create:'[data-action="new-event-button"]',edit:'[data-action="edit"]',remove:'[data-action="delete"]',viewEvent:'[data-action="view-event"]'},elements:{courseSelector:'select[name="course"]'},today:".today",day:'[data-region="day"]',calendarMain:'[data-region="calendar"]',wrapper:".calendarwrapper",eventItem:'[data-type="event"]',links:{navLink:".calendarwrapper .arrow_link",eventLink:"[data-region='event-item']",miniDayLink:"[data-region='mini-day-link']"},containers:{loadingIcon:'[data-region="overlay-icon-container"]'}}}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/selectors.min.js.map b/calendar/amd/build/selectors.min.js.map
index cd5c94cd0e0..65dbf11ef4a 100644
--- a/calendar/amd/build/selectors.min.js.map
+++ b/calendar/amd/build/selectors.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../src/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is responsible for the calendar filter.\n *\n * @module     core_calendar/calendar_selectors\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        eventFilterItem: \"[data-action='filter-event-type']\",\n        eventType: {\n            site: \"[data-eventtype-site]\",\n            category: \"[data-eventtype-category]\",\n            course: \"[data-eventtype-course]\",\n            group: \"[data-eventtype-group]\",\n            user: \"[data-eventtype-user]\",\n            other: \"[data-eventtype-other]\",\n        },\n        popoverType: {\n            site: \"[data-popover-eventtype-site]\",\n            category: \"[data-popover-eventtype-category]\",\n            course: \"[data-popover-eventtype-course]\",\n            group: \"[data-popover-eventtype-group]\",\n            user: \"[data-popover-eventtype-user]\",\n            other: \"[data-popover-eventtype-other]\",\n        },\n        calendarPeriods: {\n            month: \"[data-period='month']\",\n        },\n        courseSelector: 'select[name=\"course\"]',\n        viewSelector: 'div[data-region=\"view-selector\"]',\n        actions: {\n            create: '[data-action=\"new-event-button\"]',\n            edit: '[data-action=\"edit\"]',\n            remove: '[data-action=\"delete\"]',\n            viewEvent: '[data-action=\"view-event\"]',\n        },\n        elements: {\n            courseSelector: 'select[name=\"course\"]',\n        },\n        today: '.today',\n        day: '[data-region=\"day\"]',\n        calendarMain: '[data-region=\"calendar\"]',\n        wrapper: '.calendarwrapper',\n        eventItem: '[data-type=\"event\"]',\n        links: {\n            navLink: '.calendarwrapper .arrow_link',\n            eventLink: \"[data-region='event-item']\",\n            miniDayLink: \"[data-region='mini-day-link']\",\n        },\n        containers: {\n            loadingIcon: '[data-region=\"overlay-icon-container\"]',\n        },\n    };\n});\n"],"names":["define","eventFilterItem","eventType","site","category","course","group","user","other","popoverType","calendarPeriods","month","courseSelector","viewSelector","actions","create","edit","remove","viewEvent","elements","today","day","calendarMain","wrapper","eventItem","links","navLink","eventLink","miniDayLink","containers","loadingIcon"],"mappings":";;;;;;;;AAuBAA,iCAAO,IAAI,iBACA,CACHC,gBAAiB,oCACjBC,UAAW,CACPC,KAAM,wBACNC,SAAU,4BACVC,OAAQ,0BACRC,MAAO,yBACPC,KAAM,wBACNC,MAAO,0BAEXC,YAAa,CACTN,KAAM,gCACNC,SAAU,oCACVC,OAAQ,kCACRC,MAAO,iCACPC,KAAM,gCACNC,MAAO,kCAEXE,gBAAiB,CACbC,MAAO,yBAEXC,eAAgB,wBAChBC,aAAc,mCACdC,QAAS,CACLC,OAAQ,mCACRC,KAAM,uBACNC,OAAQ,yBACRC,UAAW,8BAEfC,SAAU,CACNP,eAAgB,yBAEpBQ,MAAO,SACPC,IAAK,sBACLC,aAAc,2BACdC,QAAS,mBACTC,UAAW,sBACXC,MAAO,CACHC,QAAS,+BACTC,UAAW,6BACXC,YAAa,iCAEjBC,WAAY,CACRC,YAAa"}
\ No newline at end of file
diff --git a/calendar/amd/build/summary_modal.min.js b/calendar/amd/build/summary_modal.min.js
index dcba8cd4e5e..33e00720b09 100644
--- a/calendar/amd/build/summary_modal.min.js
+++ b/calendar/amd/build/summary_modal.min.js
@@ -1,2 +1,11 @@
-define ("core_calendar/summary_modal",["jquery","core/str","core/notification","core/custom_interaction_events","core/modal","core/modal_registry","core/modal_factory","core/modal_events","core_calendar/repository","core_calendar/events","core_calendar/crud"],function(a,b,c,d,e,f,g,h,i,j,k){var l=!1,m={ROOT:"[data-region='summary-modal-container']",EDIT_BUTTON:"[data-action=\"edit\"]",DELETE_BUTTON:"[data-action=\"delete\"]"},n=function(a){e.call(this,a)};n.TYPE="core_calendar-event_summary";n.prototype=Object.create(e.prototype);n.prototype.constructor=n;n.prototype.getEditButton=function(){if("undefined"==typeof this.editButton){this.editButton=this.getFooter().find(m.EDIT_BUTTON)}return this.editButton};n.prototype.getDeleteButton=function(){if("undefined"==typeof this.deleteButton){this.deleteButton=this.getFooter().find(m.DELETE_BUTTON)}return this.deleteButton};n.prototype.getEventId=function(){return this.getBody().find(m.ROOT).attr("data-event-id")};n.prototype.getEventTitle=function(){return this.getBody().find(m.ROOT).attr("data-event-title")};n.prototype.getEventCount=function(){return this.getBody().find(m.ROOT).attr("data-event-count")};n.prototype.getEditUrl=function(){return this.getBody().find(m.ROOT).attr("data-edit-url")};n.prototype.isActionEvent=function(){return"true"==this.getBody().find(m.ROOT).attr("data-action-event")};n.prototype.registerEventListeners=function(){e.prototype.registerEventListeners.call(this);M.util.js_pending("core_calendar/summary_modal:registerEventListeners:bodyRendered");this.getRoot().on(h.bodyRendered,function(){this.getModal().data({eventTitle:this.getEventTitle(),eventId:this.getEventId(),eventCount:this.getEventCount()}).attr("data-type","event");k.registerRemove(this.getModal());M.util.js_complete("core_calendar/summary_modal:registerEventListeners:bodyRendered")}.bind(this));a("body").on(j.deleted,function(){this.hide()}.bind(this));d.define(this.getEditButton(),[d.events.activate]);this.getEditButton().on(d.events.activate,function(b,c){if(this.isActionEvent()){a("body").trigger(j.editActionEvent,[this.getEditUrl()])}else{a("body").trigger(j.editEvent,[this.getEventId()])}this.hide();b.preventDefault();b.stopPropagation();c.originalEvent.preventDefault();c.originalEvent.stopPropagation()}.bind(this))};if(!l){f.register(n.TYPE,n,"core_calendar/event_summary_modal");l=!0}return n});
-//# sourceMappingURL=summary_modal.min.js.map
+/**
+ * A javascript module to handle summary modal.
+ *
+ * @module     core_calendar/summary_modal
+ * @package    core_calendar
+ * @copyright  2017 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_calendar/summary_modal",["jquery","core/str","core/notification","core/custom_interaction_events","core/modal","core/modal_registry","core/modal_factory","core/modal_events","core_calendar/repository","core_calendar/events","core_calendar/crud"],(function($,Str,Notification,CustomEvents,Modal,ModalRegistry,ModalFactory,ModalEvents,CalendarRepository,CalendarEvents,CalendarCrud){var registered=!1,SELECTORS_ROOT="[data-region='summary-modal-container']",SELECTORS_EDIT_BUTTON='[data-action="edit"]',SELECTORS_DELETE_BUTTON='[data-action="delete"]',ModalEventSummary=function(root){Modal.call(this,root)};return ModalEventSummary.TYPE="core_calendar-event_summary",(ModalEventSummary.prototype=Object.create(Modal.prototype)).constructor=ModalEventSummary,ModalEventSummary.prototype.getEditButton=function(){return void 0===this.editButton&&(this.editButton=this.getFooter().find(SELECTORS_EDIT_BUTTON)),this.editButton},ModalEventSummary.prototype.getDeleteButton=function(){return void 0===this.deleteButton&&(this.deleteButton=this.getFooter().find(SELECTORS_DELETE_BUTTON)),this.deleteButton},ModalEventSummary.prototype.getEventId=function(){return this.getBody().find(SELECTORS_ROOT).attr("data-event-id")},ModalEventSummary.prototype.getEventTitle=function(){return this.getBody().find(SELECTORS_ROOT).attr("data-event-title")},ModalEventSummary.prototype.getEventCount=function(){return this.getBody().find(SELECTORS_ROOT).attr("data-event-count")},ModalEventSummary.prototype.getEditUrl=function(){return this.getBody().find(SELECTORS_ROOT).attr("data-edit-url")},ModalEventSummary.prototype.isActionEvent=function(){return"true"==this.getBody().find(SELECTORS_ROOT).attr("data-action-event")},ModalEventSummary.prototype.registerEventListeners=function(){Modal.prototype.registerEventListeners.call(this),M.util.js_pending("core_calendar/summary_modal:registerEventListeners:bodyRendered"),this.getRoot().on(ModalEvents.bodyRendered,function(){this.getModal().data({eventTitle:this.getEventTitle(),eventId:this.getEventId(),eventCount:this.getEventCount()}).attr("data-type","event"),CalendarCrud.registerRemove(this.getModal()),M.util.js_complete("core_calendar/summary_modal:registerEventListeners:bodyRendered")}.bind(this)),$("body").on(CalendarEvents.deleted,function(){this.hide()}.bind(this)),CustomEvents.define(this.getEditButton(),[CustomEvents.events.activate]),this.getEditButton().on(CustomEvents.events.activate,function(e,data){this.isActionEvent()?$("body").trigger(CalendarEvents.editActionEvent,[this.getEditUrl()]):$("body").trigger(CalendarEvents.editEvent,[this.getEventId()]),this.hide(),e.preventDefault(),e.stopPropagation(),data.originalEvent.preventDefault(),data.originalEvent.stopPropagation()}.bind(this))},registered||(ModalRegistry.register(ModalEventSummary.TYPE,ModalEventSummary,"core_calendar/event_summary_modal"),registered=!0),ModalEventSummary}));
+
+//# sourceMappingURL=summary_modal.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/summary_modal.min.js.map b/calendar/amd/build/summary_modal.min.js.map
index 9146ef87058..ba1b45877b1 100644
--- a/calendar/amd/build/summary_modal.min.js.map
+++ b/calendar/amd/build/summary_modal.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle summary modal.\n *\n * @module     core_calendar/summary_modal\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/str',\n    'core/notification',\n    'core/custom_interaction_events',\n    'core/modal',\n    'core/modal_registry',\n    'core/modal_factory',\n    'core/modal_events',\n    'core_calendar/repository',\n    'core_calendar/events',\n    'core_calendar/crud',\n],\nfunction(\n    $,\n    Str,\n    Notification,\n    CustomEvents,\n    Modal,\n    ModalRegistry,\n    ModalFactory,\n    ModalEvents,\n    CalendarRepository,\n    CalendarEvents,\n    CalendarCrud\n) {\n\n    var registered = false;\n    var SELECTORS = {\n        ROOT: \"[data-region='summary-modal-container']\",\n        EDIT_BUTTON: '[data-action=\"edit\"]',\n        DELETE_BUTTON: '[data-action=\"delete\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalEventSummary = function(root) {\n        Modal.call(this, root);\n    };\n\n    ModalEventSummary.TYPE = 'core_calendar-event_summary';\n    ModalEventSummary.prototype = Object.create(Modal.prototype);\n    ModalEventSummary.prototype.constructor = ModalEventSummary;\n\n    /**\n     * Get the edit button element from the footer. The button is cached\n     * as it's not expected to change.\n     *\n     * @method getEditButton\n     * @return {object} button element\n     */\n    ModalEventSummary.prototype.getEditButton = function() {\n        if (typeof this.editButton == 'undefined') {\n            this.editButton = this.getFooter().find(SELECTORS.EDIT_BUTTON);\n        }\n\n        return this.editButton;\n    };\n\n    /**\n     * Get the delete button element from the footer. The button is cached\n     * as it's not expected to change.\n     *\n     * @method getDeleteButton\n     * @return {object} button element\n     */\n    ModalEventSummary.prototype.getDeleteButton = function() {\n        if (typeof this.deleteButton == 'undefined') {\n            this.deleteButton = this.getFooter().find(SELECTORS.DELETE_BUTTON);\n        }\n\n        return this.deleteButton;\n    };\n\n    /**\n     * Get the id for the event being shown in this modal. This value is\n     * not cached because it will change depending on which event is\n     * being displayed.\n     *\n     * @method getEventId\n     * @return {int}\n     */\n    ModalEventSummary.prototype.getEventId = function() {\n        return this.getBody().find(SELECTORS.ROOT).attr('data-event-id');\n    };\n\n    /**\n     * Get the title for the event being shown in this modal. This value is\n     * not cached because it will change depending on which event is\n     * being displayed.\n     *\n     * @method getEventTitle\n     * @return {String}\n     */\n    ModalEventSummary.prototype.getEventTitle = function() {\n        return this.getBody().find(SELECTORS.ROOT).attr('data-event-title');\n    };\n\n    /**\n     * Get the number of events in the series for the event being shown in\n     * this modal. This value is not cached because it will change\n     * depending on which event is being displayed.\n     *\n     * @method getEventCount\n     * @return {int}\n     */\n    ModalEventSummary.prototype.getEventCount = function() {\n        return this.getBody().find(SELECTORS.ROOT).attr('data-event-count');\n    };\n\n    /**\n     * Get the url for the event being shown in this modal.\n     *\n     * @method getEventUrl\n     * @return {String}\n     */\n    ModalEventSummary.prototype.getEditUrl = function() {\n        return this.getBody().find(SELECTORS.ROOT).attr('data-edit-url');\n    };\n\n    /**\n     * Is this an action event.\n     *\n     * @method getEventUrl\n     * @return {String}\n     */\n    ModalEventSummary.prototype.isActionEvent = function() {\n        return (this.getBody().find(SELECTORS.ROOT).attr('data-action-event') == 'true');\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    ModalEventSummary.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        // We have to wait for the modal to finish rendering in order to ensure that\n        // the data-event-title property is available to use as the modal title.\n        M.util.js_pending('core_calendar/summary_modal:registerEventListeners:bodyRendered');\n        this.getRoot().on(ModalEvents.bodyRendered, function() {\n            this.getModal().data({\n                eventTitle: this.getEventTitle(),\n                eventId: this.getEventId(),\n                eventCount: this.getEventCount(),\n            })\n            .attr('data-type', 'event');\n            CalendarCrud.registerRemove(this.getModal());\n            M.util.js_complete('core_calendar/summary_modal:registerEventListeners:bodyRendered');\n        }.bind(this));\n\n        $('body').on(CalendarEvents.deleted, function() {\n            // Close the dialogue on delete.\n            this.hide();\n        }.bind(this));\n\n        CustomEvents.define(this.getEditButton(), [\n            CustomEvents.events.activate\n        ]);\n\n        this.getEditButton().on(CustomEvents.events.activate, function(e, data) {\n            if (this.isActionEvent()) {\n                // Action events cannot be edited on the event form and must be redirected to the module UI.\n                $('body').trigger(CalendarEvents.editActionEvent, [this.getEditUrl()]);\n            } else {\n                // When the edit button is clicked we fire an event for the calendar UI to handle.\n                // We don't care how the UI chooses to handle it.\n                $('body').trigger(CalendarEvents.editEvent, [this.getEventId()]);\n            }\n\n            // There is nothing else for us to do so let's hide.\n            this.hide();\n\n            // We've handled this event so no need to propagate it.\n            e.preventDefault();\n            e.stopPropagation();\n            data.originalEvent.preventDefault();\n            data.originalEvent.stopPropagation();\n        }.bind(this));\n    };\n\n    // Automatically register with the modal registry the first time this module is imported so that you can create modals\n    // of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(ModalEventSummary.TYPE, ModalEventSummary, 'core_calendar/event_summary_modal');\n        registered = true;\n    }\n\n    return ModalEventSummary;\n});\n"],"file":"summary_modal.min.js"}
\ No newline at end of file
+{"version":3,"file":"summary_modal.min.js","sources":["../src/summary_modal.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle summary modal.\n *\n * @module     core_calendar/summary_modal\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/str',\n    'core/notification',\n    'core/custom_interaction_events',\n    'core/modal',\n    'core/modal_registry',\n    'core/modal_factory',\n    'core/modal_events',\n    'core_calendar/repository',\n    'core_calendar/events',\n    'core_calendar/crud',\n],\nfunction(\n    $,\n    Str,\n    Notification,\n    CustomEvents,\n    Modal,\n    ModalRegistry,\n    ModalFactory,\n    ModalEvents,\n    CalendarRepository,\n    CalendarEvents,\n    CalendarCrud\n) {\n\n    var registered = false;\n    var SELECTORS = {\n        ROOT: \"[data-region='summary-modal-container']\",\n        EDIT_BUTTON: '[data-action=\"edit\"]',\n        DELETE_BUTTON: '[data-action=\"delete\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalEventSummary = function(root) {\n        Modal.call(this, root);\n    };\n\n    ModalEventSummary.TYPE = 'core_calendar-event_summary';\n    ModalEventSummary.prototype = Object.create(Modal.prototype);\n    ModalEventSummary.prototype.constructor = ModalEventSummary;\n\n    /**\n     * Get the edit button element from the footer. The button is cached\n     * as it's not expected to change.\n     *\n     * @method getEditButton\n     * @return {object} button element\n     */\n    ModalEventSummary.prototype.getEditButton = function() {\n        if (typeof this.editButton == 'undefined') {\n            this.editButton = this.getFooter().find(SELECTORS.EDIT_BUTTON);\n        }\n\n        return this.editButton;\n    };\n\n    /**\n     * Get the delete button element from the footer. The button is cached\n     * as it's not expected to change.\n     *\n     * @method getDeleteButton\n     * @return {object} button element\n     */\n    ModalEventSummary.prototype.getDeleteButton = function() {\n        if (typeof this.deleteButton == 'undefined') {\n            this.deleteButton = this.getFooter().find(SELECTORS.DELETE_BUTTON);\n        }\n\n        return this.deleteButton;\n    };\n\n    /**\n     * Get the id for the event being shown in this modal. This value is\n     * not cached because it will change depending on which event is\n     * being displayed.\n     *\n     * @method getEventId\n     * @return {int}\n     */\n    ModalEventSummary.prototype.getEventId = function() {\n        return this.getBody().find(SELECTORS.ROOT).attr('data-event-id');\n    };\n\n    /**\n     * Get the title for the event being shown in this modal. This value is\n     * not cached because it will change depending on which event is\n     * being displayed.\n     *\n     * @method getEventTitle\n     * @return {String}\n     */\n    ModalEventSummary.prototype.getEventTitle = function() {\n        return this.getBody().find(SELECTORS.ROOT).attr('data-event-title');\n    };\n\n    /**\n     * Get the number of events in the series for the event being shown in\n     * this modal. This value is not cached because it will change\n     * depending on which event is being displayed.\n     *\n     * @method getEventCount\n     * @return {int}\n     */\n    ModalEventSummary.prototype.getEventCount = function() {\n        return this.getBody().find(SELECTORS.ROOT).attr('data-event-count');\n    };\n\n    /**\n     * Get the url for the event being shown in this modal.\n     *\n     * @method getEventUrl\n     * @return {String}\n     */\n    ModalEventSummary.prototype.getEditUrl = function() {\n        return this.getBody().find(SELECTORS.ROOT).attr('data-edit-url');\n    };\n\n    /**\n     * Is this an action event.\n     *\n     * @method getEventUrl\n     * @return {String}\n     */\n    ModalEventSummary.prototype.isActionEvent = function() {\n        return (this.getBody().find(SELECTORS.ROOT).attr('data-action-event') == 'true');\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    ModalEventSummary.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        // We have to wait for the modal to finish rendering in order to ensure that\n        // the data-event-title property is available to use as the modal title.\n        M.util.js_pending('core_calendar/summary_modal:registerEventListeners:bodyRendered');\n        this.getRoot().on(ModalEvents.bodyRendered, function() {\n            this.getModal().data({\n                eventTitle: this.getEventTitle(),\n                eventId: this.getEventId(),\n                eventCount: this.getEventCount(),\n            })\n            .attr('data-type', 'event');\n            CalendarCrud.registerRemove(this.getModal());\n            M.util.js_complete('core_calendar/summary_modal:registerEventListeners:bodyRendered');\n        }.bind(this));\n\n        $('body').on(CalendarEvents.deleted, function() {\n            // Close the dialogue on delete.\n            this.hide();\n        }.bind(this));\n\n        CustomEvents.define(this.getEditButton(), [\n            CustomEvents.events.activate\n        ]);\n\n        this.getEditButton().on(CustomEvents.events.activate, function(e, data) {\n            if (this.isActionEvent()) {\n                // Action events cannot be edited on the event form and must be redirected to the module UI.\n                $('body').trigger(CalendarEvents.editActionEvent, [this.getEditUrl()]);\n            } else {\n                // When the edit button is clicked we fire an event for the calendar UI to handle.\n                // We don't care how the UI chooses to handle it.\n                $('body').trigger(CalendarEvents.editEvent, [this.getEventId()]);\n            }\n\n            // There is nothing else for us to do so let's hide.\n            this.hide();\n\n            // We've handled this event so no need to propagate it.\n            e.preventDefault();\n            e.stopPropagation();\n            data.originalEvent.preventDefault();\n            data.originalEvent.stopPropagation();\n        }.bind(this));\n    };\n\n    // Automatically register with the modal registry the first time this module is imported so that you can create modals\n    // of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(ModalEventSummary.TYPE, ModalEventSummary, 'core_calendar/event_summary_modal');\n        registered = true;\n    }\n\n    return 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diff --git a/calendar/amd/build/view_manager.min.js b/calendar/amd/build/view_manager.min.js
index 1e554e4368f..eda33465969 100644
--- a/calendar/amd/build/view_manager.min.js
+++ b/calendar/amd/build/view_manager.min.js
@@ -1,2 +1,11 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core_calendar/view_manager",["exports","jquery","core/templates","core/notification","core_calendar/repository","core_calendar/events","core_calendar/selectors","core/modal_factory","core/modal_events","core_calendar/summary_modal","core/custom_interaction_events","core/pending"],function(a,b,c,d,e,f,g,h,i,j,k,l){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.reloadCurrentUpcoming=a.reloadCurrentMonth=a.reloadCurrentDay=a.refreshMonthContent=a.refreshDayContent=a.init=a.changeMonth=a.changeDay=void 0;b=o(b);c=o(c);d=o(d);e=n(e);f=o(f);g=n(g);h=o(h);i=o(i);j=o(j);k=o(k);l=o(l);function m(a){if("function"!=typeof WeakMap)return null;var b=new WeakMap,c=new WeakMap;return(m=function(a){return a?c:b})(a)}function n(a,b){if(!b&&a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var c=m(b);if(c&&c.has(a)){return c.get(a)}var d={},e=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var f in a){if("default"!=f&&Object.prototype.hasOwnProperty.call(a,f)){var g=e?Object.getOwnPropertyDescriptor(a,f):null;if(g&&(g.get||g.set)){Object.defineProperty(d,f,g)}else{d[f]=a[f]}}}d.default=a;if(c){c.set(a,d)}return d}function o(a){return a&&a.__esModule?a:{default:a}}var p=function(a){a=(0,b.default)(a);a.on("click",g.links.eventLink,function(a){var b=a.target,c=null,d=null,e=new l.default("core_calendar/view_manager:eventLink:click");if(b.matches(g.actions.viewEvent)){c=b}else{c=b.closest(g.actions.viewEvent)}if(c){d=c.dataset.eventId}else{d=b.querySelector(g.actions.viewEvent).dataset.eventId}if(d){a.preventDefault();a.stopPropagation();A(d).then(e.resolve).catch()}else{e.resolve()}});a.on("click",g.links.navLink,function(b){var c=a.find(g.wrapper),d=c.data("view"),e=c.data("courseid"),f=c.data("categoryid"),h=b.currentTarget;if("month"===d){r(a,h.href,h.dataset.year,h.dataset.month,e,f,h.dataset.day);b.preventDefault()}else if("day"===d){v(a,h.href,h.dataset.year,h.dataset.month,h.dataset.day,e,f);b.preventDefault()}});var c=a.find(g.viewSelector);k.default.define(c,[k.default.events.activate]);c.on(k.default.events.activate,function(b){b.preventDefault();var c=b.target;if(c.classList.contains("active")){return}var e=c.dataset.view,f=c.dataset.year,g=c.dataset.month,h=c.dataset.day,i=c.dataset.courseid,j=c.dataset.categoryid;if("month"==e){q(a,f,g,i,j,a,"core_calendar/calendar_month",h).then(function(){return window.history.pushState({},"","?view=month")}).fail(d.default.exception)}else if("day"==e){t(a,f,g,h,i,j,a,"core_calendar/calendar_day").then(function(){return window.history.pushState({},"","?view=day")}).fail(d.default.exception)}else if("upcoming"==e){y(a,i,j,a,"core_calendar/calendar_upcoming").then(function(){return window.history.pushState({},"","?view=upcoming")}).fail(d.default.exception)}})},q=function(a,b,h,i,j){var k=5<arguments.length&&arguments[5]!==void 0?arguments[5]:null,l=6<arguments.length&&arguments[6]!==void 0?arguments[6]:"",m=7<arguments.length&&arguments[7]!==void 0?arguments[7]:1;w(a);k=k||a.find(g.wrapper);l=l||a.attr("data-template");M.util.js_pending([a.get("id"),b,h,i].join("-"));var n=a.data("includenavigation"),o=a.data("mini");return e.getCalendarMonthData(b,h,i,j,n,o,m).then(function(a){a.viewingmonth=!0;return c.default.render(l,a)}).then(function(a,b){return c.default.replaceNode(k,a,b)}).then(function(){document.querySelector("body").dispatchEvent(new CustomEvent(f.default.viewUpdated))}).always(function(){M.util.js_complete([a.get("id"),b,h,i].join("-"));return x(a)}).fail(d.default.exception)};a.refreshMonthContent=q;var r=function(a,c,d,e,g,h){var i=6<arguments.length&&arguments[6]!==void 0?arguments[6]:1;return q(a,d,e,g,h,null,"",i).then(function(){if(c.length&&"#"!==c){window.history.pushState({},"",c)}for(var a=arguments.length,b=Array(a),d=0;d<a;d++){b[d]=arguments[d]}return b}).then(function(){(0,b.default)("body").trigger(f.default.monthChanged,[d,e,g,h]);for(var a=arguments.length,c=Array(a),i=0;i<a;i++){c[i]=arguments[i]}return c})};a.changeMonth=r;var s=function(a){var b=1<arguments.length&&arguments[1]!==void 0?arguments[1]:0,c=2<arguments.length&&arguments[2]!==void 0?arguments[2]:0,d=a.find(g.wrapper).data("year"),e=a.find(g.wrapper).data("month"),f=a.find(g.wrapper).data("day");b=b||a.find(g.wrapper).data("courseid");c=c||a.find(g.wrapper).data("categoryid");return q(a,d,e,b,c,null,"",f)};a.reloadCurrentMonth=s;var t=function(a,b,h,i,j,k){var l=6<arguments.length&&arguments[6]!==void 0?arguments[6]:null,m=7<arguments.length&&arguments[7]!==void 0?arguments[7]:"";w(a);l=l||a.find(g.wrapper);m=m||a.attr("data-template");M.util.js_pending([a.get("id"),b,h,i,j,k].join("-"));var n=a.data("includenavigation");return e.getCalendarDayData(b,h,i,j,k,n).then(function(a){a.viewingday=!0;return c.default.render(m,a)}).then(function(a,b){return c.default.replaceNode(l,a,b)}).then(function(){document.querySelector("body").dispatchEvent(new CustomEvent(f.default.viewUpdated))}).always(function(){M.util.js_complete([a.get("id"),b,h,i,j,k].join("-"));return x(a)}).fail(d.default.exception)};a.refreshDayContent=t;var u=function(a){var b=1<arguments.length&&arguments[1]!==void 0?arguments[1]:0,c=2<arguments.length&&arguments[2]!==void 0?arguments[2]:0,d=a.find(g.wrapper),e=d.data("year"),f=d.data("month"),h=d.data("day");b=b||a.find(g.wrapper).data("courseid");c=c||a.find(g.wrapper).data("categoryid");return t(a,e,f,h,b,c)};a.reloadCurrentDay=u;var v=function(a,c,d,e,g,h,i){return t(a,d,e,g,h,i).then(function(){if(c.length&&"#"!==c){window.history.pushState({},"",c)}for(var a=arguments.length,b=Array(a),d=0;d<a;d++){b[d]=arguments[d]}return b}).then(function(){(0,b.default)("body").trigger(f.default.dayChanged,[d,e,h,i]);for(var a=arguments.length,c=Array(a),g=0;g<a;g++){c[g]=arguments[g]}return c})};a.changeDay=v;var w=function(a){var b=a.find(g.containers.loadingIcon);b.removeClass("hidden")},x=function(a){var b=a.find(g.containers.loadingIcon);b.addClass("hidden")},y=function(a){var b=1<arguments.length&&arguments[1]!==void 0?arguments[1]:0,h=2<arguments.length&&arguments[2]!==void 0?arguments[2]:0,i=3<arguments.length&&arguments[3]!==void 0?arguments[3]:null,j=4<arguments.length&&arguments[4]!==void 0?arguments[4]:"";w(a);i=i||a.find(g.wrapper);j=j||a.attr("data-template");b=b||a.find(g.wrapper).data("courseid");h=h||a.find(g.wrapper).data("categoryid");return e.getCalendarUpcomingData(b,h).then(function(a){a.viewingupcoming=!0;return c.default.render(j,a)}).then(function(a,b){return c.default.replaceNode(i,a,b)}).then(function(){document.querySelector("body").dispatchEvent(new CustomEvent(f.default.viewUpdated))}).always(function(){return x(a)}).fail(d.default.exception)};a.reloadCurrentUpcoming=y;var z=function(a){return"calendar_event_"+a},A=function(a){var b=new l.default("core_calendar/view_manager:renderEventSummaryModal");return e.getEventById(a).then(function(b){if(!b.event){throw new Error("Error encountered while trying to fetch calendar event with ID: "+a)}return b.event}).then(function(a){var b={title:a.name,type:j.default.TYPE,body:c.default.render("core_calendar/event_summary_body",a),templateContext:{canedit:a.canedit,candelete:a.candelete,headerclasses:z(a.normalisedeventtype),isactionevent:a.isactionevent,url:a.url,action:a.action}};return h.default.create(b)}).then(function(a){a.getRoot().on(i.default.hidden,function(){a.destroy()});a.show();return a}).then(function(a){b.resolve();return a}).catch(d.default.exception)};a.init=function init(a,b){p(a,b)}});
-//# sourceMappingURL=view_manager.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("core_calendar/view_manager",["exports","jquery","core/templates","core/notification","core_calendar/repository","core_calendar/events","core_calendar/selectors","core/modal_factory","core/modal_events","core_calendar/summary_modal","core/custom_interaction_events","core/pending"],(function(_exports,_jquery,_templates,_notification,CalendarRepository,_events,CalendarSelectors,_modal_factory,_modal_events,_summary_modal,_custom_interaction_events,_pending){function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireWildcard(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!==_typeof(obj)&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}return newObj.default=obj,cache&&cache.set(obj,newObj),newObj}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * A javascript module to handler calendar view changes.
+   *
+   * @module     core_calendar/view_manager
+   * @package    core_calendar
+   * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.reloadCurrentUpcoming=_exports.reloadCurrentMonth=_exports.reloadCurrentDay=_exports.refreshMonthContent=_exports.refreshDayContent=_exports.init=_exports.changeMonth=_exports.changeDay=void 0,_jquery=_interopRequireDefault(_jquery),_templates=_interopRequireDefault(_templates),_notification=_interopRequireDefault(_notification),CalendarRepository=_interopRequireWildcard(CalendarRepository),_events=_interopRequireDefault(_events),CalendarSelectors=_interopRequireWildcard(CalendarSelectors),_modal_factory=_interopRequireDefault(_modal_factory),_modal_events=_interopRequireDefault(_modal_events),_summary_modal=_interopRequireDefault(_summary_modal),_custom_interaction_events=_interopRequireDefault(_custom_interaction_events),_pending=_interopRequireDefault(_pending);var refreshMonthContent=function(root,year,month,courseId,categoryId){var target=arguments.length>5&&void 0!==arguments[5]?arguments[5]:null,template=arguments.length>6&&void 0!==arguments[6]?arguments[6]:"",day=arguments.length>7&&void 0!==arguments[7]?arguments[7]:1;startLoading(root),target=target||root.find(CalendarSelectors.wrapper),template=template||root.attr("data-template"),M.util.js_pending([root.get("id"),year,month,courseId].join("-"));var includenavigation=root.data("includenavigation"),mini=root.data("mini");return CalendarRepository.getCalendarMonthData(year,month,courseId,categoryId,includenavigation,mini,day).then((function(context){return context.viewingmonth=!0,_templates.default.render(template,context)})).then((function(html,js){return _templates.default.replaceNode(target,html,js)})).then((function(){document.querySelector("body").dispatchEvent(new CustomEvent(_events.default.viewUpdated))})).always((function(){return M.util.js_complete([root.get("id"),year,month,courseId].join("-")),stopLoading(root)})).fail(_notification.default.exception)};_exports.refreshMonthContent=refreshMonthContent;var changeMonth=function(root,url,year,month,courseId,categoryId){var day=arguments.length>6&&void 0!==arguments[6]?arguments[6]:1;return refreshMonthContent(root,year,month,courseId,categoryId,null,"",day).then((function(){url.length&&"#"!==url&&window.history.pushState({},"",url);for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];return args})).then((function(){(0,_jquery.default)("body").trigger(_events.default.monthChanged,[year,month,courseId,categoryId]);for(var _len2=arguments.length,args=new Array(_len2),_key2=0;_key2<_len2;_key2++)args[_key2]=arguments[_key2];return args}))};_exports.changeMonth=changeMonth;_exports.reloadCurrentMonth=function(root){var courseId=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,categoryId=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,year=root.find(CalendarSelectors.wrapper).data("year"),month=root.find(CalendarSelectors.wrapper).data("month"),day=root.find(CalendarSelectors.wrapper).data("day");return courseId=courseId||root.find(CalendarSelectors.wrapper).data("courseid"),categoryId=categoryId||root.find(CalendarSelectors.wrapper).data("categoryid"),refreshMonthContent(root,year,month,courseId,categoryId,null,"",day)};var refreshDayContent=function(root,year,month,day,courseId,categoryId){var target=arguments.length>6&&void 0!==arguments[6]?arguments[6]:null,template=arguments.length>7&&void 0!==arguments[7]?arguments[7]:"";startLoading(root),target=target||root.find(CalendarSelectors.wrapper),template=template||root.attr("data-template"),M.util.js_pending([root.get("id"),year,month,day,courseId,categoryId].join("-"));var includenavigation=root.data("includenavigation");return CalendarRepository.getCalendarDayData(year,month,day,courseId,categoryId,includenavigation).then((function(context){return context.viewingday=!0,_templates.default.render(template,context)})).then((function(html,js){return _templates.default.replaceNode(target,html,js)})).then((function(){document.querySelector("body").dispatchEvent(new CustomEvent(_events.default.viewUpdated))})).always((function(){return M.util.js_complete([root.get("id"),year,month,day,courseId,categoryId].join("-")),stopLoading(root)})).fail(_notification.default.exception)};_exports.refreshDayContent=refreshDayContent;_exports.reloadCurrentDay=function(root){var courseId=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,categoryId=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,wrapper=root.find(CalendarSelectors.wrapper),year=wrapper.data("year"),month=wrapper.data("month"),day=wrapper.data("day");return courseId=courseId||root.find(CalendarSelectors.wrapper).data("courseid"),categoryId=categoryId||root.find(CalendarSelectors.wrapper).data("categoryid"),refreshDayContent(root,year,month,day,courseId,categoryId)};var changeDay=function(root,url,year,month,day,courseId,categoryId){return refreshDayContent(root,year,month,day,courseId,categoryId).then((function(){url.length&&"#"!==url&&window.history.pushState({},"",url);for(var _len3=arguments.length,args=new Array(_len3),_key3=0;_key3<_len3;_key3++)args[_key3]=arguments[_key3];return args})).then((function(){(0,_jquery.default)("body").trigger(_events.default.dayChanged,[year,month,courseId,categoryId]);for(var _len4=arguments.length,args=new Array(_len4),_key4=0;_key4<_len4;_key4++)args[_key4]=arguments[_key4];return args}))};_exports.changeDay=changeDay;var startLoading=function(root){root.find(CalendarSelectors.containers.loadingIcon).removeClass("hidden")},stopLoading=function(root){root.find(CalendarSelectors.containers.loadingIcon).addClass("hidden")},reloadCurrentUpcoming=function(root){var courseId=arguments.length>1&&void 0!==arguments[1]?arguments[1]:0,categoryId=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0,target=arguments.length>3&&void 0!==arguments[3]?arguments[3]:null,template=arguments.length>4&&void 0!==arguments[4]?arguments[4]:"";return startLoading(root),target=target||root.find(CalendarSelectors.wrapper),template=template||root.attr("data-template"),courseId=courseId||root.find(CalendarSelectors.wrapper).data("courseid"),categoryId=categoryId||root.find(CalendarSelectors.wrapper).data("categoryid"),CalendarRepository.getCalendarUpcomingData(courseId,categoryId).then((function(context){return context.viewingupcoming=!0,_templates.default.render(template,context)})).then((function(html,js){return _templates.default.replaceNode(target,html,js)})).then((function(){document.querySelector("body").dispatchEvent(new CustomEvent(_events.default.viewUpdated))})).always((function(){return stopLoading(root)})).fail(_notification.default.exception)};_exports.reloadCurrentUpcoming=reloadCurrentUpcoming;var renderEventSummaryModal=function(eventId){var pendingPromise=new _pending.default("core_calendar/view_manager:renderEventSummaryModal");return CalendarRepository.getEventById(eventId).then((function(getEventResponse){if(!getEventResponse.event)throw new Error("Error encountered while trying to fetch calendar event with ID: "+eventId);return getEventResponse.event})).then((function(eventData){var eventType,modalParams={title:eventData.name,type:_summary_modal.default.TYPE,body:_templates.default.render("core_calendar/event_summary_body",eventData),templateContext:{canedit:eventData.canedit,candelete:eventData.candelete,headerclasses:(eventType=eventData.normalisedeventtype,"calendar_event_"+eventType),isactionevent:eventData.isactionevent,url:eventData.url,action:eventData.action}};return _modal_factory.default.create(modalParams)})).then((function(modal){return modal.getRoot().on(_modal_events.default.hidden,(function(){modal.destroy()})),modal.show(),modal})).then((function(modal){return pendingPromise.resolve(),modal})).catch(_notification.default.exception)};_exports.init=function(root,view){!function(root){(root=(0,_jquery.default)(root)).on("click",CalendarSelectors.links.eventLink,(function(e){var target=e.target,eventLink=null,eventId=null,pendingPromise=new _pending.default("core_calendar/view_manager:eventLink:click");(eventId=(eventLink=target.matches(CalendarSelectors.actions.viewEvent)?target:target.closest(CalendarSelectors.actions.viewEvent))?eventLink.dataset.eventId:target.querySelector(CalendarSelectors.actions.viewEvent).dataset.eventId)?(e.preventDefault(),e.stopPropagation(),renderEventSummaryModal(eventId).then(pendingPromise.resolve).catch()):pendingPromise.resolve()})),root.on("click",CalendarSelectors.links.navLink,(function(e){var wrapper=root.find(CalendarSelectors.wrapper),view=wrapper.data("view"),courseId=wrapper.data("courseid"),categoryId=wrapper.data("categoryid"),link=e.currentTarget;"month"===view?(changeMonth(root,link.href,link.dataset.year,link.dataset.month,courseId,categoryId,link.dataset.day),e.preventDefault()):"day"===view&&(changeDay(root,link.href,link.dataset.year,link.dataset.month,link.dataset.day,courseId,categoryId),e.preventDefault())}));var viewSelector=root.find(CalendarSelectors.viewSelector);_custom_interaction_events.default.define(viewSelector,[_custom_interaction_events.default.events.activate]),viewSelector.on(_custom_interaction_events.default.events.activate,(function(e){e.preventDefault();var option=e.target;if(!option.classList.contains("active")){var view=option.dataset.view,year=option.dataset.year,month=option.dataset.month,day=option.dataset.day,courseId=option.dataset.courseid,categoryId=option.dataset.categoryid;"month"==view?refreshMonthContent(root,year,month,courseId,categoryId,root,"core_calendar/calendar_month",day).then((function(){return window.history.pushState({},"","?view=month")})).fail(_notification.default.exception):"day"==view?refreshDayContent(root,year,month,day,courseId,categoryId,root,"core_calendar/calendar_day").then((function(){return window.history.pushState({},"","?view=day")})).fail(_notification.default.exception):"upcoming"==view&&reloadCurrentUpcoming(root,courseId,categoryId,root,"core_calendar/calendar_upcoming").then((function(){return window.history.pushState({},"","?view=upcoming")})).fail(_notification.default.exception)}}))}(root)}}));
+
+//# sourceMappingURL=view_manager.min.js.map
\ No newline at end of file
diff --git a/calendar/amd/build/view_manager.min.js.map b/calendar/amd/build/view_manager.min.js.map
index b4665697bc8..d339c54eb8a 100644
--- a/calendar/amd/build/view_manager.min.js.map
+++ b/calendar/amd/build/view_manager.min.js.map
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handler calendar view changes.\n *\n * @module     core_calendar/view_manager\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Templates from 'core/templates';\nimport Notification from 'core/notification';\nimport * as CalendarRepository from 'core_calendar/repository';\nimport CalendarEvents from 'core_calendar/events';\nimport * as CalendarSelectors from 'core_calendar/selectors';\nimport ModalFactory from 'core/modal_factory';\nimport ModalEvents from 'core/modal_events';\nimport SummaryModal from 'core_calendar/summary_modal';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Pending from 'core/pending';\n\n/**\n * Register event listeners for the module.\n *\n * @param {object} root The root element.\n */\nconst registerEventListeners = (root) => {\n    root = $(root);\n\n    // Bind click events to event links.\n    root.on('click', CalendarSelectors.links.eventLink, (e) => {\n        const target = e.target;\n        let eventLink = null;\n        let eventId = null;\n        const pendingPromise = new Pending('core_calendar/view_manager:eventLink:click');\n\n        if (target.matches(CalendarSelectors.actions.viewEvent)) {\n            eventLink = target;\n        } else {\n            eventLink = target.closest(CalendarSelectors.actions.viewEvent);\n        }\n\n        if (eventLink) {\n            eventId = eventLink.dataset.eventId;\n        } else {\n            eventId = target.querySelector(CalendarSelectors.actions.viewEvent).dataset.eventId;\n        }\n\n        if (eventId) {\n            // A link was found. Show the modal.\n\n            e.preventDefault();\n            // We've handled the event so stop it from bubbling\n            // and causing the day click handler to fire.\n            e.stopPropagation();\n\n            renderEventSummaryModal(eventId)\n            .then(pendingPromise.resolve)\n            .catch();\n        } else {\n            pendingPromise.resolve();\n        }\n    });\n\n    root.on('click', CalendarSelectors.links.navLink, (e) => {\n        const wrapper = root.find(CalendarSelectors.wrapper);\n        const view = wrapper.data('view');\n        const courseId = wrapper.data('courseid');\n        const categoryId = wrapper.data('categoryid');\n        const link = e.currentTarget;\n\n        if (view === 'month') {\n            changeMonth(root, link.href, link.dataset.year, link.dataset.month, courseId, categoryId, link.dataset.day);\n            e.preventDefault();\n        } else if (view === 'day') {\n            changeDay(root, link.href, link.dataset.year, link.dataset.month, link.dataset.day, courseId, categoryId);\n            e.preventDefault();\n        }\n    });\n\n    const viewSelector = root.find(CalendarSelectors.viewSelector);\n    CustomEvents.define(viewSelector, [CustomEvents.events.activate]);\n    viewSelector.on(\n        CustomEvents.events.activate,\n        (e) => {\n            e.preventDefault();\n\n            const option = e.target;\n            if (option.classList.contains('active')) {\n                return;\n            }\n\n            const view = option.dataset.view,\n                year = option.dataset.year,\n                month = option.dataset.month,\n                day = option.dataset.day,\n                courseId = option.dataset.courseid,\n                categoryId = option.dataset.categoryid;\n\n            if (view == 'month') {\n                refreshMonthContent(root, year, month, courseId, categoryId, root, 'core_calendar/calendar_month', day)\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=month');\n                    }).fail(Notification.exception);\n            } else if (view == 'day') {\n                refreshDayContent(root, year, month, day, courseId, categoryId, root, 'core_calendar/calendar_day')\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=day');\n                    }).fail(Notification.exception);\n            } else if (view == 'upcoming') {\n                reloadCurrentUpcoming(root, courseId, categoryId, root, 'core_calendar/calendar_upcoming')\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=upcoming');\n                    }).fail(Notification.exception);\n            }\n        }\n    );\n};\n\n/**\n * Refresh the month content.\n *\n * @param {object} root The root element.\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n * @param {number} day Day (optional)\n * @return {promise}\n */\nexport const refreshMonthContent = (root, year, month, courseId, categoryId, target = null, template = '', day = 1) => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    M.util.js_pending([root.get('id'), year, month, courseId].join('-'));\n    const includenavigation = root.data('includenavigation');\n    const mini = root.data('mini');\n    return CalendarRepository.getCalendarMonthData(year, month, courseId, categoryId, includenavigation, mini, day)\n        .then(context => {\n            context.viewingmonth = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(() => {\n            M.util.js_complete([root.get('id'), year, month, courseId].join('-'));\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Handle changes to the current calendar view.\n *\n * @param {object} root The container element\n * @param {string} url The calendar url to be shown\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {number} day Day (optional)\n * @return {promise}\n */\nexport const changeMonth = (root, url, year, month, courseId, categoryId, day = 1) => {\n    return refreshMonthContent(root, year, month, courseId, categoryId, null, '', day)\n        .then((...args) => {\n            if (url.length && url !== '#') {\n                window.history.pushState({}, '', url);\n            }\n            return args;\n        })\n        .then((...args) => {\n            $('body').trigger(CalendarEvents.monthChanged, [year, month, courseId, categoryId]);\n            return args;\n        });\n};\n\n/**\n * Reload the current month view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const reloadCurrentMonth = (root, courseId = 0, categoryId = 0) => {\n    const year = root.find(CalendarSelectors.wrapper).data('year');\n    const month = root.find(CalendarSelectors.wrapper).data('month');\n    const day = root.find(CalendarSelectors.wrapper).data('day');\n\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return refreshMonthContent(root, year, month, courseId, categoryId, null, '', day);\n};\n\n\n/**\n * Refresh the day content.\n *\n * @param {object} root The root element.\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} day Day\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n *\n * @return {promise}\n */\nexport const refreshDayContent = (root, year, month, day, courseId, categoryId, target = null, template = '') => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    M.util.js_pending([root.get('id'), year, month, day, courseId, categoryId].join('-'));\n    const includenavigation = root.data('includenavigation');\n    return CalendarRepository.getCalendarDayData(year, month, day, courseId, categoryId, includenavigation)\n        .then((context) => {\n            context.viewingday = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(() => {\n            M.util.js_complete([root.get('id'), year, month, day, courseId, categoryId].join('-'));\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Reload the current day view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const reloadCurrentDay = (root, courseId = 0, categoryId = 0) => {\n    const wrapper = root.find(CalendarSelectors.wrapper);\n    const year = wrapper.data('year');\n    const month = wrapper.data('month');\n    const day = wrapper.data('day');\n\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return refreshDayContent(root, year, month, day, courseId, categoryId);\n};\n\n/**\n * Handle changes to the current calendar view.\n *\n * @param {object} root The root element.\n * @param {String} url The calendar url to be shown\n * @param {Number} year Year\n * @param {Number} month Month\n * @param {Number} day Day\n * @param {Number} courseId The id of the course whose events are shown\n * @param {Number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const changeDay = (root, url, year, month, day, courseId, categoryId) => {\n    return refreshDayContent(root, year, month, day, courseId, categoryId)\n        .then((...args) => {\n            if (url.length && url !== '#') {\n                window.history.pushState({}, '', url);\n            }\n            return args;\n        })\n        .then((...args) => {\n            $('body').trigger(CalendarEvents.dayChanged, [year, month, courseId, categoryId]);\n            return args;\n        });\n};\n\n/**\n * Set the element state to loading.\n *\n * @param {object} root The container element\n * @method startLoading\n */\nconst startLoading = (root) => {\n    const loadingIconContainer = root.find(CalendarSelectors.containers.loadingIcon);\n\n    loadingIconContainer.removeClass('hidden');\n};\n\n/**\n * Remove the loading state from the element.\n *\n * @param {object} root The container element\n * @method stopLoading\n */\nconst stopLoading = (root) => {\n    const loadingIconContainer = root.find(CalendarSelectors.containers.loadingIcon);\n\n    loadingIconContainer.addClass('hidden');\n};\n\n/**\n * Reload the current month view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n * @return {promise}\n */\nexport const reloadCurrentUpcoming = (root, courseId = 0, categoryId = 0, target = null, template = '') => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return CalendarRepository.getCalendarUpcomingData(courseId, categoryId)\n        .then((context) => {\n            context.viewingupcoming = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(function() {\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Get the CSS class to apply for the given event type.\n *\n * @param {string} eventType The calendar event type\n * @return {string}\n */\nconst getEventTypeClassFromType = (eventType) => {\n    return 'calendar_event_' + eventType;\n};\n\n/**\n * Render the event summary modal.\n *\n * @param {Number} eventId The calendar event id.\n * @returns {Promise}\n */\nconst renderEventSummaryModal = (eventId) => {\n    const pendingPromise = new Pending('core_calendar/view_manager:renderEventSummaryModal');\n\n    // Calendar repository promise.\n    return CalendarRepository.getEventById(eventId)\n    .then((getEventResponse) => {\n        if (!getEventResponse.event) {\n            throw new Error('Error encountered while trying to fetch calendar event with ID: ' + eventId);\n        }\n\n        return getEventResponse.event;\n    })\n    .then(eventData => {\n        // Build the modal parameters from the event data.\n        const modalParams = {\n            title: eventData.name,\n            type: SummaryModal.TYPE,\n            body: Templates.render('core_calendar/event_summary_body', eventData),\n            templateContext: {\n                canedit: eventData.canedit,\n                candelete: eventData.candelete,\n                headerclasses: getEventTypeClassFromType(eventData.normalisedeventtype),\n                isactionevent: eventData.isactionevent,\n                url: eventData.url,\n                action: eventData.action\n            }\n        };\n\n        // Create the modal.\n        return ModalFactory.create(modalParams);\n    })\n    .then(modal => {\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, function() {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Finally, render the modal!\n        modal.show();\n\n        return modal;\n    })\n    .then(modal => {\n        pendingPromise.resolve();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\nexport const init = (root, view) => {\n    registerEventListeners(root, view);\n};\n"],"file":"view_manager.min.js"}
\ No newline at end of file
+{"version":3,"file":"view_manager.min.js","sources":["../src/view_manager.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handler calendar view changes.\n *\n * @module     core_calendar/view_manager\n * @package    core_calendar\n * @copyright  2017 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Templates from 'core/templates';\nimport Notification from 'core/notification';\nimport * as CalendarRepository from 'core_calendar/repository';\nimport CalendarEvents from 'core_calendar/events';\nimport * as CalendarSelectors from 'core_calendar/selectors';\nimport ModalFactory from 'core/modal_factory';\nimport ModalEvents from 'core/modal_events';\nimport SummaryModal from 'core_calendar/summary_modal';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Pending from 'core/pending';\n\n/**\n * Register event listeners for the module.\n *\n * @param {object} root The root element.\n */\nconst registerEventListeners = (root) => {\n    root = $(root);\n\n    // Bind click events to event links.\n    root.on('click', CalendarSelectors.links.eventLink, (e) => {\n        const target = e.target;\n        let eventLink = null;\n        let eventId = null;\n        const pendingPromise = new Pending('core_calendar/view_manager:eventLink:click');\n\n        if (target.matches(CalendarSelectors.actions.viewEvent)) {\n            eventLink = target;\n        } else {\n            eventLink = target.closest(CalendarSelectors.actions.viewEvent);\n        }\n\n        if (eventLink) {\n            eventId = eventLink.dataset.eventId;\n        } else {\n            eventId = target.querySelector(CalendarSelectors.actions.viewEvent).dataset.eventId;\n        }\n\n        if (eventId) {\n            // A link was found. Show the modal.\n\n            e.preventDefault();\n            // We've handled the event so stop it from bubbling\n            // and causing the day click handler to fire.\n            e.stopPropagation();\n\n            renderEventSummaryModal(eventId)\n            .then(pendingPromise.resolve)\n            .catch();\n        } else {\n            pendingPromise.resolve();\n        }\n    });\n\n    root.on('click', CalendarSelectors.links.navLink, (e) => {\n        const wrapper = root.find(CalendarSelectors.wrapper);\n        const view = wrapper.data('view');\n        const courseId = wrapper.data('courseid');\n        const categoryId = wrapper.data('categoryid');\n        const link = e.currentTarget;\n\n        if (view === 'month') {\n            changeMonth(root, link.href, link.dataset.year, link.dataset.month, courseId, categoryId, link.dataset.day);\n            e.preventDefault();\n        } else if (view === 'day') {\n            changeDay(root, link.href, link.dataset.year, link.dataset.month, link.dataset.day, courseId, categoryId);\n            e.preventDefault();\n        }\n    });\n\n    const viewSelector = root.find(CalendarSelectors.viewSelector);\n    CustomEvents.define(viewSelector, [CustomEvents.events.activate]);\n    viewSelector.on(\n        CustomEvents.events.activate,\n        (e) => {\n            e.preventDefault();\n\n            const option = e.target;\n            if (option.classList.contains('active')) {\n                return;\n            }\n\n            const view = option.dataset.view,\n                year = option.dataset.year,\n                month = option.dataset.month,\n                day = option.dataset.day,\n                courseId = option.dataset.courseid,\n                categoryId = option.dataset.categoryid;\n\n            if (view == 'month') {\n                refreshMonthContent(root, year, month, courseId, categoryId, root, 'core_calendar/calendar_month', day)\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=month');\n                    }).fail(Notification.exception);\n            } else if (view == 'day') {\n                refreshDayContent(root, year, month, day, courseId, categoryId, root, 'core_calendar/calendar_day')\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=day');\n                    }).fail(Notification.exception);\n            } else if (view == 'upcoming') {\n                reloadCurrentUpcoming(root, courseId, categoryId, root, 'core_calendar/calendar_upcoming')\n                    .then(() => {\n                        return window.history.pushState({}, '', '?view=upcoming');\n                    }).fail(Notification.exception);\n            }\n        }\n    );\n};\n\n/**\n * Refresh the month content.\n *\n * @param {object} root The root element.\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n * @param {number} day Day (optional)\n * @return {promise}\n */\nexport const refreshMonthContent = (root, year, month, courseId, categoryId, target = null, template = '', day = 1) => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    M.util.js_pending([root.get('id'), year, month, courseId].join('-'));\n    const includenavigation = root.data('includenavigation');\n    const mini = root.data('mini');\n    return CalendarRepository.getCalendarMonthData(year, month, courseId, categoryId, includenavigation, mini, day)\n        .then(context => {\n            context.viewingmonth = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(() => {\n            M.util.js_complete([root.get('id'), year, month, courseId].join('-'));\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Handle changes to the current calendar view.\n *\n * @param {object} root The container element\n * @param {string} url The calendar url to be shown\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {number} day Day (optional)\n * @return {promise}\n */\nexport const changeMonth = (root, url, year, month, courseId, categoryId, day = 1) => {\n    return refreshMonthContent(root, year, month, courseId, categoryId, null, '', day)\n        .then((...args) => {\n            if (url.length && url !== '#') {\n                window.history.pushState({}, '', url);\n            }\n            return args;\n        })\n        .then((...args) => {\n            $('body').trigger(CalendarEvents.monthChanged, [year, month, courseId, categoryId]);\n            return args;\n        });\n};\n\n/**\n * Reload the current month view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const reloadCurrentMonth = (root, courseId = 0, categoryId = 0) => {\n    const year = root.find(CalendarSelectors.wrapper).data('year');\n    const month = root.find(CalendarSelectors.wrapper).data('month');\n    const day = root.find(CalendarSelectors.wrapper).data('day');\n\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return refreshMonthContent(root, year, month, courseId, categoryId, null, '', day);\n};\n\n\n/**\n * Refresh the day content.\n *\n * @param {object} root The root element.\n * @param {number} year Year\n * @param {number} month Month\n * @param {number} day Day\n * @param {number} courseId The id of the course whose events are shown\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n *\n * @return {promise}\n */\nexport const refreshDayContent = (root, year, month, day, courseId, categoryId, target = null, template = '') => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    M.util.js_pending([root.get('id'), year, month, day, courseId, categoryId].join('-'));\n    const includenavigation = root.data('includenavigation');\n    return CalendarRepository.getCalendarDayData(year, month, day, courseId, categoryId, includenavigation)\n        .then((context) => {\n            context.viewingday = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new CustomEvent(CalendarEvents.viewUpdated));\n            return;\n        })\n        .always(() => {\n            M.util.js_complete([root.get('id'), year, month, day, courseId, categoryId].join('-'));\n            return stopLoading(root);\n        })\n        .fail(Notification.exception);\n};\n\n/**\n * Reload the current day view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const reloadCurrentDay = (root, courseId = 0, categoryId = 0) => {\n    const wrapper = root.find(CalendarSelectors.wrapper);\n    const year = wrapper.data('year');\n    const month = wrapper.data('month');\n    const day = wrapper.data('day');\n\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return refreshDayContent(root, year, month, day, courseId, categoryId);\n};\n\n/**\n * Handle changes to the current calendar view.\n *\n * @param {object} root The root element.\n * @param {String} url The calendar url to be shown\n * @param {Number} year Year\n * @param {Number} month Month\n * @param {Number} day Day\n * @param {Number} courseId The id of the course whose events are shown\n * @param {Number} categoryId The id of the category whose events are shown\n * @return {promise}\n */\nexport const changeDay = (root, url, year, month, day, courseId, categoryId) => {\n    return refreshDayContent(root, year, month, day, courseId, categoryId)\n        .then((...args) => {\n            if (url.length && url !== '#') {\n                window.history.pushState({}, '', url);\n            }\n            return args;\n        })\n        .then((...args) => {\n            $('body').trigger(CalendarEvents.dayChanged, [year, month, courseId, categoryId]);\n            return args;\n        });\n};\n\n/**\n * Set the element state to loading.\n *\n * @param {object} root The container element\n * @method startLoading\n */\nconst startLoading = (root) => {\n    const loadingIconContainer = root.find(CalendarSelectors.containers.loadingIcon);\n\n    loadingIconContainer.removeClass('hidden');\n};\n\n/**\n * Remove the loading state from the element.\n *\n * @param {object} root The container element\n * @method stopLoading\n */\nconst stopLoading = (root) => {\n    const loadingIconContainer = root.find(CalendarSelectors.containers.loadingIcon);\n\n    loadingIconContainer.addClass('hidden');\n};\n\n/**\n * Reload the current month view data.\n *\n * @param {object} root The container element.\n * @param {number} courseId The course id.\n * @param {number} categoryId The id of the category whose events are shown\n * @param {object} target The element being replaced. If not specified, the calendarwrapper is used.\n * @param {string} template The template to be rendered.\n * @return {promise}\n */\nexport const reloadCurrentUpcoming = (root, courseId = 0, categoryId = 0, target = null, template = '') => {\n    startLoading(root);\n\n    target = target || root.find(CalendarSelectors.wrapper);\n    template = template || root.attr('data-template');\n    courseId = courseId || root.find(CalendarSelectors.wrapper).data('courseid');\n    categoryId = categoryId || root.find(CalendarSelectors.wrapper).data('categoryid');\n\n    return CalendarRepository.getCalendarUpcomingData(courseId, categoryId)\n        .then((context) => {\n            context.viewingupcoming = true;\n            return Templates.render(template, context);\n        })\n        .then((html, js) => {\n            return Templates.replaceNode(target, html, js);\n        })\n        .then(() => {\n            document.querySelector('body').dispatchEvent(new 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}\n\n        return getEventResponse.event;\n    })\n    .then(eventData => {\n        // Build the modal parameters from the event data.\n        const modalParams = {\n            title: eventData.name,\n            type: SummaryModal.TYPE,\n            body: Templates.render('core_calendar/event_summary_body', eventData),\n            templateContext: {\n                canedit: eventData.canedit,\n                candelete: eventData.candelete,\n                headerclasses: getEventTypeClassFromType(eventData.normalisedeventtype),\n                isactionevent: eventData.isactionevent,\n                url: eventData.url,\n                action: eventData.action\n            }\n        };\n\n        // Create the modal.\n        return ModalFactory.create(modalParams);\n    })\n    .then(modal => {\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, function() {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Finally, render the modal!\n        modal.show();\n\n        return modal;\n    })\n    .then(modal => {\n        pendingPromise.resolve();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\nexport const init = (root, view) => {\n    registerEventListeners(root, 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diff --git a/contentbank/amd/build/actions.min.js b/contentbank/amd/build/actions.min.js
index 636f5527903..b9234ec289e 100644
--- a/contentbank/amd/build/actions.min.js
+++ b/contentbank/amd/build/actions.min.js
@@ -1,2 +1,11 @@
-define ("core_contentbank/actions",["jquery","core/ajax","core/notification","core/str","core/templates","core/url","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f,g,h){var i={DELETE_CONTENT:"[data-action=\"deletecontent\"]",RENAME_CONTENT:"[data-action=\"renamecontent\"]"},j=function(){this.registerEvents()};j.prototype.registerEvents=function(){a(i.DELETE_CONTENT).click(function(b){b.preventDefault();var e=a(this).data("contentname"),f=a(this).data("contentid"),i=a(this).data("contextid"),j="";d.get_strings([{key:"deletecontent",component:"core_contentbank"},{key:"deletecontentconfirm",component:"core_contentbank",param:{name:e}},{key:"delete",component:"core"}]).then(function(a){var b=a[0],c=a[1];j=a[2];return g.create({title:b,body:c,type:g.types.SAVE_CANCEL,large:!0})}).done(function(a){a.setSaveButtonText(j);a.getRoot().on(h.save,function(){return k(f,i)});a.getRoot().on(h.hidden,function(){a.destroy()});a.show()}).catch(c.exception)});a(i.RENAME_CONTENT).click(function(b){b.preventDefault();var f=a(this).data("contentname"),i=a(this).data("contentid"),j="";d.get_strings([{key:"renamecontent",component:"core_contentbank"},{key:"rename",component:"core_contentbank"}]).then(function(a){var b=a[0];j=a[1];return g.create({title:b,body:e.render("core_contentbank/renamecontent",{contentid:i,name:f}),type:g.types.SAVE_CANCEL})}).then(function(b){b.setSaveButtonText(j);b.getRoot().on(h.save,function(b){var e=a("#newname").val().trim();if(e){l(i,e)}else{d.get_strings([{key:"error"},{key:"emptynamenotallowed",component:"core_contentbank"}]).then(function(a){c.alert(a[0],a[1])}).catch(c.exception);b.preventDefault()}});b.getRoot().on(h.hidden,function(){b.destroy()});b.show()}).catch(c.exception)})};function k(a,d){var e="success";b.call([{methodname:"core_contentbank_delete_content",args:{contentids:{contentid:a}}}])[0].then(function(a){if(a.result){return"contentdeleted"}e="error";return"contentnotdeleted"}).done(function(a){var b={contextid:d};if("success"==e){b.statusmsg=a}else{b.errormsg=a}window.location.href=f.relativeUrl("contentbank/index.php",b,!1)}).fail(c.exception)}function l(a,d){var e="success";b.call([{methodname:"core_contentbank_rename_content",args:{contentid:a,name:d}}])[0].then(function(a){if(a.result){return"contentrenamed"}e="error";return a.warnings[0].message}).then(function(b){var d=null;if("success"==e){d={id:a,statusmsg:b};window.location.href=f.relativeUrl("contentbank/view.php",d,!1)}else{c.addNotification({message:b,type:"error"});c.fetchNotifications()}}).catch(c.exception)}return{init:function init(){return new j}}});
-//# sourceMappingURL=actions.min.js.map
+/**
+ * Module to manage content bank actions, such as delete or rename.
+ *
+ * @module     core_contentbank/actions
+ * @package    core_contentbank
+ * @copyright  2020 Sara Arjona <sara@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_contentbank/actions",["jquery","core/ajax","core/notification","core/str","core/templates","core/url","core/modal_factory","core/modal_events"],(function($,Ajax,Notification,Str,Templates,Url,ModalFactory,ModalEvents){var ACTIONS_DELETE_CONTENT='[data-action="deletecontent"]',ACTIONS_RENAME_CONTENT='[data-action="renamecontent"]',Actions=function(){this.registerEvents()};return Actions.prototype.registerEvents=function(){$(ACTIONS_DELETE_CONTENT).click((function(e){e.preventDefault();var contentname=$(this).data("contentname"),contentid=$(this).data("contentid"),contextid=$(this).data("contextid"),strings=[{key:"deletecontent",component:"core_contentbank"},{key:"deletecontentconfirm",component:"core_contentbank",param:{name:contentname}},{key:"delete",component:"core"}],deleteButtonText="";Str.get_strings(strings).then((function(langStrings){var modalTitle=langStrings[0],modalContent=langStrings[1];return deleteButtonText=langStrings[2],ModalFactory.create({title:modalTitle,body:modalContent,type:ModalFactory.types.SAVE_CANCEL,large:!0})})).done((function(modal){modal.setSaveButtonText(deleteButtonText),modal.getRoot().on(ModalEvents.save,(function(){return function(contentid,contextid){var request={methodname:"core_contentbank_delete_content",args:{contentids:{contentid:contentid}}},requestType="success";Ajax.call([request])[0].then((function(data){return data.result?"contentdeleted":(requestType="error","contentnotdeleted")})).done((function(message){var params={contextid:contextid};"success"==requestType?params.statusmsg=message:params.errormsg=message,window.location.href=Url.relativeUrl("contentbank/index.php",params,!1)})).fail(Notification.exception)}(contentid,contextid)})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show()})).catch(Notification.exception)})),$(ACTIONS_RENAME_CONTENT).click((function(e){e.preventDefault();var contentname=$(this).data("contentname"),contentid=$(this).data("contentid"),saveButtonText="";Str.get_strings([{key:"renamecontent",component:"core_contentbank"},{key:"rename",component:"core_contentbank"}]).then((function(langStrings){var modalTitle=langStrings[0];return saveButtonText=langStrings[1],ModalFactory.create({title:modalTitle,body:Templates.render("core_contentbank/renamecontent",{contentid:contentid,name:contentname}),type:ModalFactory.types.SAVE_CANCEL})})).then((function(modal){modal.setSaveButtonText(saveButtonText),modal.getRoot().on(ModalEvents.save,(function(e){var newname=$("#newname").val().trim();if(newname)!function(contentid,name){var request={methodname:"core_contentbank_rename_content",args:{contentid:contentid,name:name}},requestType="success";Ajax.call([request])[0].then((function(data){return data.result?"contentrenamed":(requestType="error",data.warnings[0].message)})).then((function(message){var params=null;"success"==requestType?(params={id:contentid,statusmsg:message},window.location.href=Url.relativeUrl("contentbank/view.php",params,!1)):(Notification.addNotification({message:message,type:"error"}),Notification.fetchNotifications())})).catch(Notification.exception)}(contentid,newname);else{Str.get_strings([{key:"error"},{key:"emptynamenotallowed",component:"core_contentbank"}]).then((function(langStrings){Notification.alert(langStrings[0],langStrings[1])})).catch(Notification.exception),e.preventDefault()}})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show()})).catch(Notification.exception)}))},{init:function(){return new Actions}}}));
+
+//# sourceMappingURL=actions.min.js.map
\ No newline at end of file
diff --git a/contentbank/amd/build/actions.min.js.map b/contentbank/amd/build/actions.min.js.map
index ee0807e6a8e..1e6efe81e3d 100644
--- a/contentbank/amd/build/actions.min.js.map
+++ b/contentbank/amd/build/actions.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/actions.js"],"names":["define","$","Ajax","Notification","Str","Templates","Url","ModalFactory","ModalEvents","ACTIONS","DELETE_CONTENT","RENAME_CONTENT","Actions","registerEvents","prototype","click","e","preventDefault","contentname","data","contentid","contextid","deleteButtonText","get_strings","key","component","param","name","then","langStrings","modalTitle","modalContent","create","title","body","type","types","SAVE_CANCEL","large","done","modal","setSaveButtonText","getRoot","on","save","deleteContent","hidden","destroy","show","catch","exception","saveButtonText","render","newname","val","trim","renameContent","alert","requestType","call","methodname","args","contentids","result","message","params","statusmsg","errormsg","window","location","href","relativeUrl","fail","warnings","id","addNotification","fetchNotifications"],"mappings":"AAuBAA,OAAM,4BAAC,CACH,QADG,CAEH,WAFG,CAGH,mBAHG,CAIH,UAJG,CAKH,gBALG,CAMH,UANG,CAOH,oBAPG,CAQH,mBARG,CAAD,CASN,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAgCC,CAAhC,CAAqCC,CAArC,CAAgDC,CAAhD,CAAqDC,CAArD,CAAmEC,CAAnE,CAAgF,IAOxEC,CAAAA,CAAO,CAAG,CACVC,cAAc,CAAE,iCADN,CAEVC,cAAc,CAAE,iCAFN,CAP8D,CAexEC,CAAO,CAAG,UAAW,CACrB,KAAKC,cAAL,EACH,CAjB2E,CAsB5ED,CAAO,CAACE,SAAR,CAAkBD,cAAlB,CAAmC,UAAW,CAC1CZ,CAAC,CAACQ,CAAO,CAACC,cAAT,CAAD,CAA0BK,KAA1B,CAAgC,SAASC,CAAT,CAAY,CACxCA,CAAC,CAACC,cAAF,GADwC,GAGpCC,CAAAA,CAAW,CAAGjB,CAAC,CAAC,IAAD,CAAD,CAAQkB,IAAR,CAAa,aAAb,CAHsB,CAIpCC,CAAS,CAAGnB,CAAC,CAAC,IAAD,CAAD,CAAQkB,IAAR,CAAa,WAAb,CAJwB,CAKpCE,CAAS,CAAGpB,CAAC,CAAC,IAAD,CAAD,CAAQkB,IAAR,CAAa,WAAb,CALwB,CAyBpCG,CAAgB,CAAG,EAzBiB,CA0BxClB,CAAG,CAACmB,WAAJ,CAnBc,CACV,CACIC,GAAG,CAAE,eADT,CAEIC,SAAS,CAAE,kBAFf,CADU,CAKV,CACID,GAAG,CAAE,sBADT,CAEIC,SAAS,CAAE,kBAFf,CAGIC,KAAK,CAAE,CACHC,IAAI,CAAET,CADH,CAHX,CALU,CAYV,CACIM,GAAG,CAAE,QADT,CAEIC,SAAS,CAAE,MAFf,CAZU,CAmBd,EAAyBG,IAAzB,CAA8B,SAASC,CAAT,CAAsB,IAC5CC,CAAAA,CAAU,CAAGD,CAAW,CAAC,CAAD,CADoB,CAE5CE,CAAY,CAAGF,CAAW,CAAC,CAAD,CAFkB,CAGhDP,CAAgB,CAAGO,CAAW,CAAC,CAAD,CAA9B,CAEA,MAAOtB,CAAAA,CAAY,CAACyB,MAAb,CAAoB,CACvBC,KAAK,CAAEH,CADgB,CAEvBI,IAAI,CAAEH,CAFiB,CAGvBI,IAAI,CAAE5B,CAAY,CAAC6B,KAAb,CAAmBC,WAHF,CAIvBC,KAAK,GAJkB,CAApB,CAMV,CAXD,EAWGC,IAXH,CAWQ,SAASC,CAAT,CAAgB,CACpBA,CAAK,CAACC,iBAAN,CAAwBnB,CAAxB,EACAkB,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmBnC,CAAW,CAACoC,IAA/B,CAAqC,UAAW,CAE5C,MAAOC,CAAAA,CAAa,CAACzB,CAAD,CAAYC,CAAZ,CACvB,CAHD,EAMAmB,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmBnC,CAAW,CAACsC,MAA/B,CAAuC,UAAW,CAE9CN,CAAK,CAACO,OAAN,EACH,CAHD,EAMAP,CAAK,CAACQ,IAAN,EAGH,CA5BD,EA4BGC,KA5BH,CA4BS9C,CAAY,CAAC+C,SA5BtB,CA6BH,CAvDD,EAyDAjD,CAAC,CAACQ,CAAO,CAACE,cAAT,CAAD,CAA0BI,KAA1B,CAAgC,SAASC,CAAT,CAAY,CACxCA,CAAC,CAACC,cAAF,GADwC,GAGpCC,CAAAA,CAAW,CAAGjB,CAAC,CAAC,IAAD,CAAD,CAAQkB,IAAR,CAAa,aAAb,CAHsB,CAIpCC,CAAS,CAAGnB,CAAC,CAAC,IAAD,CAAD,CAAQkB,IAAR,CAAa,WAAb,CAJwB,CAiBpCgC,CAAc,CAAG,EAjBmB,CAkBxC/C,CAAG,CAACmB,WAAJ,CAZc,CACV,CACIC,GAAG,CAAE,eADT,CAEIC,SAAS,CAAE,kBAFf,CADU,CAKV,CACID,GAAG,CAAE,QADT,CAEIC,SAAS,CAAE,kBAFf,CALU,CAYd,EAAyBG,IAAzB,CAA8B,SAASC,CAAT,CAAsB,CAChD,GAAIC,CAAAA,CAAU,CAAGD,CAAW,CAAC,CAAD,CAA5B,CACAsB,CAAc,CAAGtB,CAAW,CAAC,CAAD,CAA5B,CAEA,MAAOtB,CAAAA,CAAY,CAACyB,MAAb,CAAoB,CACvBC,KAAK,CAAEH,CADgB,CAEvBI,IAAI,CAAE7B,CAAS,CAAC+C,MAAV,CAAiB,gCAAjB,CAAmD,CAAC,UAAahC,CAAd,CAAyB,KAAQF,CAAjC,CAAnD,CAFiB,CAGvBiB,IAAI,CAAE5B,CAAY,CAAC6B,KAAb,CAAmBC,WAHF,CAApB,CAKV,CATD,EASGT,IATH,CASQ,SAASY,CAAT,CAAgB,CACpBA,CAAK,CAACC,iBAAN,CAAwBU,CAAxB,EACAX,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmBnC,CAAW,CAACoC,IAA/B,CAAqC,SAAS5B,CAAT,CAAY,CAE7C,GAAIqC,CAAAA,CAAO,CAAGpD,CAAC,CAAC,UAAD,CAAD,CAAcqD,GAAd,GAAoBC,IAApB,EAAd,CACA,GAAIF,CAAJ,CAAa,CACTG,CAAa,CAACpC,CAAD,CAAYiC,CAAZ,CAChB,CAFD,IAEO,CAUHjD,CAAG,CAACmB,WAAJ,CATmB,CACf,CACIC,GAAG,CAAE,OADT,CADe,CAIf,CACIA,GAAG,CAAE,qBADT,CAEIC,SAAS,CAAE,kBAFf,CAJe,CASnB,EAA8BG,IAA9B,CAAmC,SAASC,CAAT,CAAsB,CACrD1B,CAAY,CAACsD,KAAb,CAAmB5B,CAAW,CAAC,CAAD,CAA9B,CAAmCA,CAAW,CAAC,CAAD,CAA9C,CACH,CAFD,EAEGoB,KAFH,CAES9C,CAAY,CAAC+C,SAFtB,EAGAlC,CAAC,CAACC,cAAF,EACH,CACJ,CApBD,EAuBAuB,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmBnC,CAAW,CAACsC,MAA/B,CAAuC,UAAW,CAE9CN,CAAK,CAACO,OAAN,EACH,CAHD,EAMAP,CAAK,CAACQ,IAAN,EAGH,CA3CD,EA2CGC,KA3CH,CA2CS9C,CAAY,CAAC+C,SA3CtB,CA4CH,CA9DD,CA+DH,CAzHD,CAiIA,QAASL,CAAAA,CAAT,CAAuBzB,CAAvB,CAAkCC,CAAlC,CAA6C,IAQrCqC,CAAAA,CAAW,CAAG,SARuB,CASzCxD,CAAI,CAACyD,IAAL,CAAU,CARI,CACVC,UAAU,CAAE,iCADF,CAEVC,IAAI,CAAE,CACFC,UAAU,CAAE,CAAC1C,SAAS,CAATA,CAAD,CADV,CAFI,CAQJ,CAAV,EAAqB,CAArB,EAAwBQ,IAAxB,CAA6B,SAAST,CAAT,CAAe,CACxC,GAAIA,CAAI,CAAC4C,MAAT,CAAiB,CACb,MAAO,gBACV,CACDL,CAAW,CAAG,OAAd,CACA,MAAO,mBAEV,CAPD,EAOGnB,IAPH,CAOQ,SAASyB,CAAT,CAAkB,CACtB,GAAIC,CAAAA,CAAM,CAAG,CACT5C,SAAS,CAAEA,CADF,CAAb,CAGA,GAAmB,SAAf,EAAAqC,CAAJ,CAA8B,CAC1BO,CAAM,CAACC,SAAP,CAAmBF,CACtB,CAFD,IAEO,CACHC,CAAM,CAACE,QAAP,CAAkBH,CACrB,CAEDI,MAAM,CAACC,QAAP,CAAgBC,IAAhB,CAAuBhE,CAAG,CAACiE,WAAJ,CAAgB,uBAAhB,CAAyCN,CAAzC,IAC1B,CAlBD,EAkBGO,IAlBH,CAkBQrE,CAAY,CAAC+C,SAlBrB,CAmBH,CAQD,QAASM,CAAAA,CAAT,CAAuBpC,CAAvB,CAAkCO,CAAlC,CAAwC,IAQhC+B,CAAAA,CAAW,CAAG,SARkB,CASpCxD,CAAI,CAACyD,IAA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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to manage content bank actions, such as delete or rename.\n *\n * @module     core_contentbank/actions\n * @package    core_contentbank\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/templates',\n    'core/url',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, Str, Templates, Url, ModalFactory, ModalEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{DELETE_CONTENT: string}}\n     */\n    var ACTIONS = {\n        DELETE_CONTENT: '[data-action=\"deletecontent\"]',\n        RENAME_CONTENT: '[data-action=\"renamecontent\"]',\n    };\n\n    /**\n     * Actions class.\n     */\n    var Actions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    Actions.prototype.registerEvents = function() {\n        $(ACTIONS.DELETE_CONTENT).click(function(e) {\n            e.preventDefault();\n\n            var contentname = $(this).data('contentname');\n            var contentid = $(this).data('contentid');\n            var contextid = $(this).data('contextid');\n\n            var strings = [\n                {\n                    key: 'deletecontent',\n                    component: 'core_contentbank'\n                },\n                {\n                    key: 'deletecontentconfirm',\n                    component: 'core_contentbank',\n                    param: {\n                        name: contentname,\n                    }\n                },\n                {\n                    key: 'delete',\n                    component: 'core'\n                },\n            ];\n\n            var deleteButtonText = '';\n            Str.get_strings(strings).then(function(langStrings) {\n                var modalTitle = langStrings[0];\n                var modalContent = langStrings[1];\n                deleteButtonText = langStrings[2];\n\n                return ModalFactory.create({\n                    title: modalTitle,\n                    body: modalContent,\n                    type: ModalFactory.types.SAVE_CANCEL,\n                    large: true\n                });\n            }).done(function(modal) {\n                modal.setSaveButtonText(deleteButtonText);\n                modal.getRoot().on(ModalEvents.save, function() {\n                    // The action is now confirmed, sending an action for it.\n                    return deleteContent(contentid, contextid);\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                // Show the modal.\n                modal.show();\n\n                return;\n            }).catch(Notification.exception);\n        });\n\n        $(ACTIONS.RENAME_CONTENT).click(function(e) {\n            e.preventDefault();\n\n            var contentname = $(this).data('contentname');\n            var contentid = $(this).data('contentid');\n\n            var strings = [\n                {\n                    key: 'renamecontent',\n                    component: 'core_contentbank'\n                },\n                {\n                    key: 'rename',\n                    component: 'core_contentbank'\n                },\n            ];\n\n            var saveButtonText = '';\n            Str.get_strings(strings).then(function(langStrings) {\n                var modalTitle = langStrings[0];\n                saveButtonText = langStrings[1];\n\n                return ModalFactory.create({\n                    title: modalTitle,\n                    body: Templates.render('core_contentbank/renamecontent', {'contentid': contentid, 'name': contentname}),\n                    type: ModalFactory.types.SAVE_CANCEL\n                });\n            }).then(function(modal) {\n                modal.setSaveButtonText(saveButtonText);\n                modal.getRoot().on(ModalEvents.save, function(e) {\n                    // The action is now confirmed, sending an action for it.\n                    var newname = $(\"#newname\").val().trim();\n                    if (newname) {\n                        renameContent(contentid, newname);\n                    } else {\n                        var errorStrings = [\n                            {\n                                key: 'error',\n                            },\n                            {\n                                key: 'emptynamenotallowed',\n                                component: 'core_contentbank',\n                            },\n                        ];\n                        Str.get_strings(errorStrings).then(function(langStrings) {\n                            Notification.alert(langStrings[0], langStrings[1]);\n                        }).catch(Notification.exception);\n                        e.preventDefault();\n                    }\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                // Show the modal.\n                modal.show();\n\n                return;\n            }).catch(Notification.exception);\n        });\n    };\n\n    /**\n     * Delete content from the content bank.\n     *\n     * @param {int} contentid The content to delete.\n     * @param {int} contextid The contextid where the content belongs.\n     */\n    function deleteContent(contentid, contextid) {\n        var request = {\n            methodname: 'core_contentbank_delete_content',\n            args: {\n                contentids: {contentid}\n            }\n        };\n\n        var requestType = 'success';\n        Ajax.call([request])[0].then(function(data) {\n            if (data.result) {\n                return 'contentdeleted';\n            }\n            requestType = 'error';\n            return 'contentnotdeleted';\n\n        }).done(function(message) {\n            var params = {\n                contextid: contextid\n            };\n            if (requestType == 'success') {\n                params.statusmsg = message;\n            } else {\n                params.errormsg = message;\n            }\n            // Redirect to the main content bank page and display the message as a notification.\n            window.location.href = Url.relativeUrl('contentbank/index.php', params, false);\n        }).fail(Notification.exception);\n    }\n\n    /**\n     * Rename content in the content bank.\n     *\n     * @param {int} contentid The content to rename.\n     * @param {string} name The new name for the content.\n     */\n    function renameContent(contentid, name) {\n        var request = {\n            methodname: 'core_contentbank_rename_content',\n            args: {\n                contentid: contentid,\n                name: name\n            }\n        };\n        var requestType = 'success';\n        Ajax.call([request])[0].then(function(data) {\n            if (data.result) {\n                return 'contentrenamed';\n            }\n            requestType = 'error';\n            return data.warnings[0].message;\n\n        }).then(function(message) {\n            var params = null;\n            if (requestType == 'success') {\n                params = {\n                    id: contentid,\n                    statusmsg: message\n                };\n                // Redirect to the content view page and display the message as a notification.\n                window.location.href = Url.relativeUrl('contentbank/view.php', params, false);\n            } else {\n                // Fetch error notifications.\n                Notification.addNotification({\n                    message: message,\n                    type: 'error'\n                });\n                Notification.fetchNotifications();\n            }\n            return;\n        }).catch(Notification.exception);\n    }\n\n    return /** @alias module:core_contentbank/actions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the contentbank actions.\n         *\n         * @method init\n         * @return {Actions}\n         */\n        'init': function() {\n            return new Actions();\n        }\n    };\n});\n"],"file":"actions.min.js"}
\ No newline at end of file
+{"version":3,"file":"actions.min.js","sources":["../src/actions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to manage content bank actions, such as delete or rename.\n *\n * @module     core_contentbank/actions\n * @package    core_contentbank\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core/str',\n    'core/templates',\n    'core/url',\n    'core/modal_factory',\n    'core/modal_events'],\nfunction($, Ajax, Notification, Str, Templates, Url, ModalFactory, ModalEvents) {\n\n    /**\n     * List of action selectors.\n     *\n     * @type {{DELETE_CONTENT: string}}\n     */\n    var ACTIONS = {\n        DELETE_CONTENT: '[data-action=\"deletecontent\"]',\n        RENAME_CONTENT: '[data-action=\"renamecontent\"]',\n    };\n\n    /**\n     * Actions class.\n     */\n    var Actions = function() {\n        this.registerEvents();\n    };\n\n    /**\n     * Register event listeners.\n     */\n    Actions.prototype.registerEvents = function() {\n        $(ACTIONS.DELETE_CONTENT).click(function(e) {\n            e.preventDefault();\n\n            var contentname = $(this).data('contentname');\n            var contentid = $(this).data('contentid');\n            var contextid = $(this).data('contextid');\n\n            var strings = [\n                {\n                    key: 'deletecontent',\n                    component: 'core_contentbank'\n                },\n                {\n                    key: 'deletecontentconfirm',\n                    component: 'core_contentbank',\n                    param: {\n                        name: contentname,\n                    }\n                },\n                {\n                    key: 'delete',\n                    component: 'core'\n                },\n            ];\n\n            var deleteButtonText = '';\n            Str.get_strings(strings).then(function(langStrings) {\n                var modalTitle = langStrings[0];\n                var modalContent = langStrings[1];\n                deleteButtonText = langStrings[2];\n\n                return ModalFactory.create({\n                    title: modalTitle,\n                    body: modalContent,\n                    type: ModalFactory.types.SAVE_CANCEL,\n                    large: true\n                });\n            }).done(function(modal) {\n                modal.setSaveButtonText(deleteButtonText);\n                modal.getRoot().on(ModalEvents.save, function() {\n                    // The action is now confirmed, sending an action for it.\n                    return deleteContent(contentid, contextid);\n                });\n\n                // Handle hidden event.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    // Destroy when hidden.\n                    modal.destroy();\n                });\n\n                // Show the modal.\n                modal.show();\n\n                return;\n            }).catch(Notification.exception);\n        });\n\n        $(ACTIONS.RENAME_CONTENT).click(function(e) {\n            e.preventDefault();\n\n            var contentname = $(this).data('contentname');\n            var contentid = $(this).data('contentid');\n\n            var strings = [\n                {\n                    key: 'renamecontent',\n                    component: 'core_contentbank'\n                },\n                {\n                    key: 'rename',\n                    component: 'core_contentbank'\n                },\n            ];\n\n            var saveButtonText = '';\n            Str.get_strings(strings).then(function(langStrings) {\n                var modalTitle = langStrings[0];\n                saveButtonText = langStrings[1];\n\n                return ModalFactory.create({\n                    title: modalTitle,\n                    body: Templates.render('core_contentbank/renamecontent', {'contentid': contentid, 'name': contentname}),\n                    type: ModalFactory.types.SAVE_CANCEL\n                });\n            }).then(function(modal) {\n                modal.setSaveButtonText(saveButtonText);\n                modal.getRoot().on(ModalEvents.save, function(e) {\n                    // The action is now confirmed, sending an action for it.\n                    var newname = $(\"#newname\").val().trim();\n                    if (newname) {\n                        renameContent(contentid, newname);\n                    } else {\n                        var errorStrings = [\n                            {\n                                key: 'error',\n                            },\n                            {\n                                key: 'emptynamenotallowed',\n                                component: 'core_contentbank',\n                            },\n                        ];\n                        Str.get_strings(errorStrings).then(function(langStrings) {\n               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    }\n        };\n\n        var requestType = 'success';\n        Ajax.call([request])[0].then(function(data) {\n            if (data.result) {\n                return 'contentdeleted';\n            }\n            requestType = 'error';\n            return 'contentnotdeleted';\n\n        }).done(function(message) {\n            var params = {\n                contextid: contextid\n            };\n            if (requestType == 'success') {\n                params.statusmsg = message;\n            } else {\n                params.errormsg = message;\n            }\n            // Redirect to the main content bank page and display the message as a notification.\n            window.location.href = Url.relativeUrl('contentbank/index.php', params, false);\n        }).fail(Notification.exception);\n    }\n\n    /**\n     * Rename content in the content bank.\n     *\n     * @param {int} contentid The content to rename.\n     * @param {string} name The new name for the content.\n     */\n    function renameContent(contentid, name) {\n        var request = {\n            methodname: 'core_contentbank_rename_content',\n            args: {\n                contentid: contentid,\n                name: name\n            }\n        };\n        var requestType = 'success';\n        Ajax.call([request])[0].then(function(data) {\n            if (data.result) {\n                return 'contentrenamed';\n            }\n            requestType = 'error';\n            return data.warnings[0].message;\n\n        }).then(function(message) {\n            var params = null;\n            if (requestType == 'success') {\n                params = {\n                    id: contentid,\n                    statusmsg: message\n                };\n                // Redirect to the content view page and display the message as a notification.\n                window.location.href = Url.relativeUrl('contentbank/view.php', params, false);\n            } else {\n                // Fetch error notifications.\n                Notification.addNotification({\n                    message: message,\n                    type: 'error'\n                });\n                Notification.fetchNotifications();\n            }\n            return;\n        }).catch(Notification.exception);\n    }\n\n    return /** @alias module:core_contentbank/actions */ {\n        // Public variables and functions.\n\n        /**\n         * Initialise the contentbank actions.\n         *\n         * @method init\n         * @return {Actions}\n         */\n        'init': function() {\n            return new Actions();\n        }\n    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diff --git a/contentbank/amd/build/search.min.js b/contentbank/amd/build/search.min.js
index e80207d3679..9819eeb5aa3 100644
--- a/contentbank/amd/build/search.min.js
+++ b/contentbank/amd/build/search.min.js
@@ -1,2 +1,3 @@
-define ("core_contentbank/search",["exports","jquery","core_contentbank/selectors","core/str","core/pending","core/utils"],function(a,b,c,d,e,f){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=g(b);c=g(c);e=g(e);function g(a){return a&&a.__esModule?a:{default:a}}function h(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function i(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var f=a.apply(b,c);function g(a){h(f,d,e,g,i,"next",a)}function i(a){h(f,d,e,g,i,"throw",a)}g(void 0)})}}var j=function(){var a=new e.default,d=(0,b.default)(c.default.regions.contentbank);k(d);a.resolve()};a.init=j;var k=function(a){var b=a.find(c.default.elements.searchinput)[0];a.on("click",c.default.actions.search,function(c){c.preventDefault();l(a,b.value)});a.on("click",c.default.actions.clearSearch,function(c){c.preventDefault();b.value="";b.focus();l(a,b.value)});b.addEventListener("input",(0,f.debounce)(function(){l(a,b.value)},300))},l=function(){var a=i(regeneratorRuntime.mark(function e(a,b){var f,g,h,i,j;return regeneratorRuntime.wrap(function(e){while(1){switch(e.prev=e.next){case 0:f=a.find(c.default.elements.clearsearch)[0];g=a.find(c.default.elements.searchicon)[0];h=a.find(c.default.elements.cbnavbarbreadcrumb)[0];i=a.find(c.default.elements.cbnavbartotalsearch)[0];j=m(a,b);if(!(0<b.length)){e.next=15;break}g.classList.add("d-none");f.classList.remove("d-none");h.classList.add("d-none");e.next=11;return(0,d.get_string)("itemsfound","core_contentbank",j.length);case 11:i.innerHTML=e.sent;i.classList.remove("d-none");e.next=19;break;case 15:f.classList.add("d-none");g.classList.remove("d-none");h.classList.remove("d-none");i.classList.add("d-none");case 19:case"end":return e.stop();}}},e)}));return function(){return a.apply(this,arguments)}}(),m=function(a,b){var d=Array.from(a.find(c.default.elements.listitem)),e=[];d.forEach(function(a){var d=a.getAttribute("data-name");if(""===b||d.toLowerCase().includes(b.toLowerCase())){e.push(a);var f=a.querySelector(c.default.regions.cbcontentname);f.innerHTML=n(d,b);a.classList.remove("d-none")}else{a.classList.add("d-none")}});return e},n=function(a,b){var c=a;if(""!==b){var d=a.toLowerCase().indexOf(b.toLowerCase());if(-1<d){c=a.substr(0,d)+"<span class=\"matchtext\">"+a.substr(d,b.length)+"</span>"+a.substr(d+b.length)}}return c}});
-//# sourceMappingURL=search.min.js.map
+define("core_contentbank/search",["exports","jquery","core_contentbank/selectors","core/str","core/pending","core/utils"],(function(_exports,_jquery,_selectors,_str,_pending,_utils){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_jquery=_interopRequireDefault(_jquery),_selectors=_interopRequireDefault(_selectors),_pending=_interopRequireDefault(_pending);_exports.init=function(){var pendingPromise=new _pending.default,root=(0,_jquery.default)(_selectors.default.regions.contentbank);registerListenerEvents(root),pendingPromise.resolve()};var fn,_ref,registerListenerEvents=function(root){var searchInput=root.find(_selectors.default.elements.searchinput)[0];root.on("click",_selectors.default.actions.search,(function(e){e.preventDefault(),toggleSearchResultsView(root,searchInput.value)})),root.on("click",_selectors.default.actions.clearSearch,(function(e){e.preventDefault(),searchInput.value="",searchInput.focus(),toggleSearchResultsView(root,searchInput.value)})),searchInput.addEventListener("input",(0,_utils.debounce)((function(){toggleSearchResultsView(root,searchInput.value)}),300))},toggleSearchResultsView=(fn=regeneratorRuntime.mark((function _callee(body,searchQuery){var clearSearchButton,searchIcon,navbarBreadcrumb,navbarTotal,filteredContents;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:if(clearSearchButton=body.find(_selectors.default.elements.clearsearch)[0],searchIcon=body.find(_selectors.default.elements.searchicon)[0],navbarBreadcrumb=body.find(_selectors.default.elements.cbnavbarbreadcrumb)[0],navbarTotal=body.find(_selectors.default.elements.cbnavbartotalsearch)[0],filteredContents=filterContents(body,searchQuery),!(searchQuery.length>0)){_context.next=15;break}return searchIcon.classList.add("d-none"),clearSearchButton.classList.remove("d-none"),navbarBreadcrumb.classList.add("d-none"),_context.next=11,(0,_str.get_string)("itemsfound","core_contentbank",filteredContents.length);case 11:navbarTotal.innerHTML=_context.sent,navbarTotal.classList.remove("d-none"),_context.next=19;break;case 15:clearSearchButton.classList.add("d-none"),searchIcon.classList.remove("d-none"),navbarBreadcrumb.classList.remove("d-none"),navbarTotal.classList.add("d-none");case 19:case"end":return _context.stop()}}),_callee)})),_ref=function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))},function(_x,_x2){return _ref.apply(this,arguments)}),filterContents=function(body,searchTerm){var contents=Array.from(body.find(_selectors.default.elements.listitem)),searchResults=[];return contents.forEach((function(content){var contentName=content.getAttribute("data-name");""===searchTerm||contentName.toLowerCase().includes(searchTerm.toLowerCase())?(searchResults.push(content),content.querySelector(_selectors.default.regions.cbcontentname).innerHTML=highlight(contentName,searchTerm),content.classList.remove("d-none")):content.classList.add("d-none")})),searchResults},highlight=function(text,highlightText){var result=text;if(""!==highlightText){var pos=text.toLowerCase().indexOf(highlightText.toLowerCase());pos>-1&&(result=text.substr(0,pos)+'<span class="matchtext">'+text.substr(pos,highlightText.length)+"</span>"+text.substr(pos+highlightText.length))}return result}}));
+
+//# sourceMappingURL=search.min.js.map
\ No newline at end of file
diff --git a/contentbank/amd/build/search.min.js.map b/contentbank/amd/build/search.min.js.map
index 0e0625892fe..73d2c76e5a7 100644
--- a/contentbank/amd/build/search.min.js.map
+++ b/contentbank/amd/build/search.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Search methods for finding contents in the content bank.\n *\n * @module     core_contentbank/search\n * @package    core_contentbank\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport selectors from 'core_contentbank/selectors';\nimport {get_string as getString} from 'core/str';\nimport Pending from 'core/pending';\nimport {debounce} from 'core/utils';\n\n/**\n * Set up the search.\n *\n * @method init\n */\nexport const init = () => {\n    const pendingPromise = new Pending();\n\n    const root = $(selectors.regions.contentbank);\n    registerListenerEvents(root);\n\n    pendingPromise.resolve();\n};\n\n/**\n * Register contentbank search related event listeners.\n *\n * @method registerListenerEvents\n * @param {Object} root The root element for the contentbank.\n */\nconst registerListenerEvents = (root) => {\n\n    const searchInput = root.find(selectors.elements.searchinput)[0];\n\n    root.on('click', selectors.actions.search, function(e) {\n        e.preventDefault();\n        toggleSearchResultsView(root, searchInput.value);\n    });\n\n    root.on('click', selectors.actions.clearSearch, function(e) {\n        e.preventDefault();\n        searchInput.value = \"\";\n        searchInput.focus();\n        toggleSearchResultsView(root, searchInput.value);\n    });\n\n    // The search input is also triggered.\n    searchInput.addEventListener('input', debounce(() => {\n        // Display the search results.\n        toggleSearchResultsView(root, searchInput.value);\n    }, 300));\n\n};\n\n/**\n * Toggle (display/hide) the search results depending on the value of the search query.\n *\n * @method toggleSearchResultsView\n * @param {HTMLElement} body The root element for the contentbank.\n * @param {String} searchQuery The search query.\n */\nconst toggleSearchResultsView = async(body, searchQuery) => {\n    const clearSearchButton = body.find(selectors.elements.clearsearch)[0];\n    const searchIcon = body.find(selectors.elements.searchicon)[0];\n\n    const navbarBreadcrumb = body.find(selectors.elements.cbnavbarbreadcrumb)[0];\n    const navbarTotal = body.find(selectors.elements.cbnavbartotalsearch)[0];\n    // Update the results.\n    const filteredContents = filterContents(body, searchQuery);\n    if (searchQuery.length > 0) {\n        // As the search query is present, search results should be displayed.\n\n        // Display the \"clear\" search button in the activity chooser search bar.\n        searchIcon.classList.add('d-none');\n        clearSearchButton.classList.remove('d-none');\n\n        // Change the cb-navbar to display total items found.\n        navbarBreadcrumb.classList.add('d-none');\n        navbarTotal.innerHTML = await getString('itemsfound', 'core_contentbank', filteredContents.length);\n        navbarTotal.classList.remove('d-none');\n    } else {\n        // As search query is not present, the search results should be removed.\n\n        // Hide the \"clear\" search button in the activity chooser search bar.\n        clearSearchButton.classList.add('d-none');\n        searchIcon.classList.remove('d-none');\n\n        // Display again the breadcrumb in the navbar.\n        navbarBreadcrumb.classList.remove('d-none');\n        navbarTotal.classList.add('d-none');\n    }\n};\n\n/**\n * Return the list of contents which have a name that matches the given search term.\n *\n * @method filterContents\n * @param {HTMLElement} body The root element for the contentbank.\n * @param {String} searchTerm The search term to match.\n * @return {Array}\n */\nconst filterContents = (body, searchTerm) => {\n    const contents = Array.from(body.find(selectors.elements.listitem));\n    const searchResults = [];\n    contents.forEach((content) => {\n        const contentName = content.getAttribute('data-name');\n        if (searchTerm === '' || contentName.toLowerCase().includes(searchTerm.toLowerCase())) {\n            // The content matches the search criteria so it should be displayed and hightlighted.\n            searchResults.push(content);\n            const contentNameElement = content.querySelector(selectors.regions.cbcontentname);\n            contentNameElement.innerHTML = highlight(contentName, searchTerm);\n            content.classList.remove('d-none');\n        } else {\n            content.classList.add('d-none');\n        }\n    });\n\n    return searchResults;\n};\n\n/**\n * Highlight a given string in a text.\n *\n * @method highlight\n * @param  {String} text The whole text.\n * @param  {String} highlightText The piece of text to highlight.\n * @return {String}\n */\nconst highlight = (text, highlightText) => {\n    let result = text;\n    if (highlightText !== '') {\n        const pos = text.toLowerCase().indexOf(highlightText.toLowerCase());\n        if (pos > -1) {\n            result = text.substr(0, pos) + '<span class=\"matchtext\">' + text.substr(pos, highlightText.length) + '</span>' +\n                text.substr(pos + highlightText.length);\n        }\n    }\n\n    return result;\n};\n"],"file":"search.min.js"}
\ No newline at end of file
+{"version":3,"file":"search.min.js","sources":["../src/search.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Search methods for finding contents in the content bank.\n *\n * @module     core_contentbank/search\n * @package    core_contentbank\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport selectors from 'core_contentbank/selectors';\nimport {get_string as getString} from 'core/str';\nimport Pending from 'core/pending';\nimport {debounce} from 'core/utils';\n\n/**\n * Set up the search.\n *\n * @method init\n */\nexport const init = () => {\n    const pendingPromise = new Pending();\n\n    const root = $(selectors.regions.contentbank);\n    registerListenerEvents(root);\n\n    pendingPromise.resolve();\n};\n\n/**\n * Register contentbank search related event listeners.\n *\n * @method registerListenerEvents\n * @param {Object} root The root element for the contentbank.\n */\nconst registerListenerEvents = (root) => {\n\n    const searchInput = root.find(selectors.elements.searchinput)[0];\n\n    root.on('click', selectors.actions.search, function(e) {\n        e.preventDefault();\n        toggleSearchResultsView(root, searchInput.value);\n    });\n\n    root.on('click', selectors.actions.clearSearch, function(e) {\n        e.preventDefault();\n        searchInput.value = \"\";\n        searchInput.focus();\n        toggleSearchResultsView(root, searchInput.value);\n    });\n\n    // The search input is also triggered.\n    searchInput.addEventListener('input', debounce(() => {\n        // Display the search results.\n        toggleSearchResultsView(root, searchInput.value);\n    }, 300));\n\n};\n\n/**\n * Toggle (display/hide) the search results depending on the value of the search query.\n *\n * @method toggleSearchResultsView\n * @param {HTMLElement} body The root element for the contentbank.\n * @param {String} searchQuery The search query.\n */\nconst toggleSearchResultsView = async(body, searchQuery) => {\n    const clearSearchButton = body.find(selectors.elements.clearsearch)[0];\n    const searchIcon = body.find(selectors.elements.searchicon)[0];\n\n    const navbarBreadcrumb = body.find(selectors.elements.cbnavbarbreadcrumb)[0];\n    const navbarTotal = body.find(selectors.elements.cbnavbartotalsearch)[0];\n    // Update the results.\n    const filteredContents = filterContents(body, searchQuery);\n    if (searchQuery.length > 0) {\n        // As the search query is present, search results should be displayed.\n\n        // Display the \"clear\" search button in the activity chooser search bar.\n        searchIcon.classList.add('d-none');\n        clearSearchButton.classList.remove('d-none');\n\n        // Change the cb-navbar to display total items found.\n        navbarBreadcrumb.classList.add('d-none');\n        navbarTotal.innerHTML = await getString('itemsfound', 'core_contentbank', filteredContents.length);\n        navbarTotal.classList.remove('d-none');\n    } else {\n        // As search query is not present, the search results should be removed.\n\n        // Hide the \"clear\" search button in the activity chooser search bar.\n        clearSearchButton.classList.add('d-none');\n        searchIcon.classList.remove('d-none');\n\n        // Display again the breadcrumb in the navbar.\n        navbarBreadcrumb.classList.remove('d-none');\n        navbarTotal.classList.add('d-none');\n    }\n};\n\n/**\n * Return the list of contents which have a name that matches the given search term.\n *\n * @method filterContents\n * @param {HTMLElement} body The root element for the contentbank.\n * @param {String} searchTerm The search term to match.\n * @return {Array}\n */\nconst filterContents = (body, searchTerm) => {\n    const contents = Array.from(body.find(selectors.elements.listitem));\n    const searchResults = [];\n    contents.forEach((content) => {\n        const contentName = content.getAttribute('data-name');\n        if (searchTerm === '' || contentName.toLowerCase().includes(searchTerm.toLowerCase())) {\n            // The content matches the search criteria so it should be displayed and hightlighted.\n            searchResults.push(content);\n            const contentNameElement = content.querySelector(selectors.regions.cbcontentname);\n            contentNameElement.innerHTML = highlight(contentName, searchTerm);\n            content.classList.remove('d-none');\n        } else {\n            content.classList.add('d-none');\n        }\n    });\n\n    return searchResults;\n};\n\n/**\n * Highlight a given string in a text.\n *\n * @method highlight\n * @param  {String} text The whole text.\n * @param  {String} highlightText The piece of text to highlight.\n * @return {String}\n */\nconst highlight = (text, highlightText) => {\n    let result = text;\n    if (highlightText !== '') {\n        const pos = text.toLowerCase().indexOf(highlightText.toLowerCase());\n        if (pos > -1) {\n            result = text.substr(0, pos) + '<span class=\"matchtext\">' + text.substr(pos, highlightText.length) + '</span>' +\n                text.substr(pos + highlightText.length);\n        }\n    }\n\n    return result;\n};\n"],"names":["pendingPromise","Pending","root","selectors","regions","contentbank","registerListenerEvents","resolve","searchInput","find","elements","searchinput","on","actions","search","e","preventDefault","toggleSearchResultsView","value","clearSearch","focus","addEventListener","body","searchQuery","clearSearchButton","clearsearch","searchIcon","searchicon","navbarBreadcrumb","cbnavbarbreadcrumb","navbarTotal","cbnavbartotalsearch","filteredContents","filterContents","length","classList","add","remove","innerHTML","searchTerm","contents","Array","from","listitem","searchResults","forEach","content","contentName","getAttribute","toLowerCase","includes","push","querySelector","cbcontentname","highlight","text","highlightText","result","pos","indexOf","substr"],"mappings":"8rBAmCoB,eACVA,eAAiB,IAAIC,iBAErBC,MAAO,mBAAEC,mBAAUC,QAAQC,aACjCC,uBAAuBJ,MAEvBF,eAAeO,uBASbD,uBAAyB,SAACJ,UAEtBM,YAAcN,KAAKO,KAAKN,mBAAUO,SAASC,aAAa,GAE9DT,KAAKU,GAAG,QAAST,mBAAUU,QAAQC,QAAQ,SAASC,GAChDA,EAAEC,iBACFC,wBAAwBf,KAAMM,YAAYU,UAG9ChB,KAAKU,GAAG,QAAST,mBAAUU,QAAQM,aAAa,SAASJ,GACrDA,EAAEC,iBACFR,YAAYU,MAAQ,GACpBV,YAAYY,QACZH,wBAAwBf,KAAMM,YAAYU,UAI9CV,YAAYa,iBAAiB,SAAS,oBAAS,WAE3CJ,wBAAwBf,KAAMM,YAAYU,SAC3C,OAWDD,qDAA0B,iBAAMK,KAAMC,oMAClCC,kBAAoBF,KAAKb,KAAKN,mBAAUO,SAASe,aAAa,GAC9DC,WAAaJ,KAAKb,KAAKN,mBAAUO,SAASiB,YAAY,GAEtDC,iBAAmBN,KAAKb,KAAKN,mBAAUO,SAASmB,oBAAoB,GACpEC,YAAcR,KAAKb,KAAKN,mBAAUO,SAASqB,qBAAqB,GAEhEC,iBAAmBC,eAAeX,KAAMC,eAC1CA,YAAYW,OAAS,kCAIrBR,WAAWS,UAAUC,IAAI,UACzBZ,kBAAkBW,UAAUE,OAAO,UAGnCT,iBAAiBO,UAAUC,IAAI,4BACD,mBAAU,aAAc,mBAAoBJ,iBAAiBE,gBAA3FJ,YAAYQ,wBACZR,YAAYK,UAAUE,OAAO,yCAK7Bb,kBAAkBW,UAAUC,IAAI,UAChCV,WAAWS,UAAUE,OAAO,UAG5BT,iBAAiBO,UAAUE,OAAO,UAClCP,YAAYK,UAAUC,IAAI,2aAY5BH,eAAiB,SAACX,KAAMiB,gBACpBC,SAAWC,MAAMC,KAAKpB,KAAKb,KAAKN,mBAAUO,SAASiC,WACnDC,cAAgB,UACtBJ,SAASK,SAAQ,SAACC,aACRC,YAAcD,QAAQE,aAAa,aACtB,KAAfT,YAAqBQ,YAAYE,cAAcC,SAASX,WAAWU,gBAEnEL,cAAcO,KAAKL,SACQA,QAAQM,cAAcjD,mBAAUC,QAAQiD,eAChDf,UAAYgB,UAAUP,YAAaR,YACtDO,QAAQX,UAAUE,OAAO,WAEzBS,QAAQX,UAAUC,IAAI,aAIvBQ,eAWLU,UAAY,SAACC,KAAMC,mBACjBC,OAASF,QACS,KAAlBC,cAAsB,KAChBE,IAAMH,KAAKN,cAAcU,QAAQH,cAAcP,eACjDS,KAAO,IACPD,OAASF,KAAKK,OAAO,EAAGF,KAAO,2BAA6BH,KAAKK,OAAOF,IAAKF,cAActB,QAAU,UACjGqB,KAAKK,OAAOF,IAAMF,cAActB,gBAIrCuB"}
\ No newline at end of file
diff --git a/contentbank/amd/build/selectors.min.js b/contentbank/amd/build/selectors.min.js
index 35b476aa378..30d34f7064b 100644
--- a/contentbank/amd/build/selectors.min.js
+++ b/contentbank/amd/build/selectors.min.js
@@ -1,2 +1,12 @@
-define ("core_contentbank/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b=function(a,b){return"[data-".concat(a,"=\"").concat(b,"\"]")},c={regions:{cbcontentname:b("region","cb-content-name"),contentbank:b("region","contentbank"),filearea:b("region","filearea")},actions:{search:b("action","searchcontent"),clearSearch:b("action","clearsearchcontent"),viewgrid:b("action","viewgrid"),viewlist:b("action","viewlist"),sortname:b("action","sortname"),sortdate:b("action","sortdate"),sortsize:b("action","sortsize"),sorttype:b("action","sorttype")},elements:{listitem:".cb-listitem",cbnavbarbreadcrumb:".cb-navbar-breadbrumb",cbnavbartotalsearch:".cb-navbar-totalsearch",clearsearch:".input-group-append .clear-icon",searchicon:".input-group-append .search-icon",searchinput:"#searchinput",sortbutton:".cb-btnsort"}};a.default=c;return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("core_contentbank/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Define all of the selectors we will be using on the contentbank interface.
+   *
+   * @module     core_contentbank/selectors
+   * @package    core_contentbank
+   * @copyright  2020 Sara Arjona <sara@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var getDataSelector=function(name,value){return"[data-".concat(name,'="').concat(value,'"]')},_default={regions:{cbcontentname:getDataSelector("region","cb-content-name"),contentbank:getDataSelector("region","contentbank"),filearea:getDataSelector("region","filearea")},actions:{search:getDataSelector("action","searchcontent"),clearSearch:getDataSelector("action","clearsearchcontent"),viewgrid:getDataSelector("action","viewgrid"),viewlist:getDataSelector("action","viewlist"),sortname:getDataSelector("action","sortname"),sortdate:getDataSelector("action","sortdate"),sortsize:getDataSelector("action","sortsize"),sorttype:getDataSelector("action","sorttype")},elements:{listitem:".cb-listitem",cbnavbarbreadcrumb:".cb-navbar-breadbrumb",cbnavbartotalsearch:".cb-navbar-totalsearch",clearsearch:".input-group-append .clear-icon",searchicon:".input-group-append .search-icon",searchinput:"#searchinput",sortbutton:".cb-btnsort"}};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/contentbank/amd/build/selectors.min.js.map b/contentbank/amd/build/selectors.min.js.map
index 36d959f5167..1a195e62b72 100644
--- a/contentbank/amd/build/selectors.min.js.map
+++ b/contentbank/amd/build/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/selectors.js"],"names":["getDataSelector","name","value","regions","cbcontentname","contentbank","filearea","actions","search","clearSearch","viewgrid","viewlist","sortname","sortdate","sortsize","sorttype","elements","listitem","cbnavbarbreadcrumb","cbnavbartotalsearch","clearsearch","searchicon","searchinput","sortbutton"],"mappings":"+IAgCMA,CAAAA,CAAe,CAAG,SAACC,CAAD,CAAOC,CAAP,CAAiB,CACrC,sBAAgBD,CAAhB,eAAyBC,CAAzB,OACH,C,GAEc,CACXC,OAAO,CAAE,CACLC,aAAa,CAAEJ,CAAe,CAAC,QAAD,CAAW,iBAAX,CADzB,CAELK,WAAW,CAAEL,CAAe,CAAC,QAAD,CAAW,aAAX,CAFvB,CAGLM,QAAQ,CAAEN,CAAe,CAAC,QAAD,CAAW,UAAX,CAHpB,CADE,CAMXO,OAAO,CAAE,CACLC,MAAM,CAAER,CAAe,CAAC,QAAD,CAAW,eAAX,CADlB,CAELS,WAAW,CAAET,CAAe,CAAC,QAAD,CAAW,oBAAX,CAFvB,CAGLU,QAAQ,CAAEV,CAAe,CAAC,QAAD,CAAW,UAAX,CAHpB,CAILW,QAAQ,CAAEX,CAAe,CAAC,QAAD,CAAW,UAAX,CAJpB,CAKLY,QAAQ,CAAEZ,CAAe,CAAC,QAAD,CAAW,UAAX,CALpB,CAMLa,QAAQ,CAAEb,CAAe,CAAC,QAAD,CAAW,UAAX,CANpB,CAOLc,QAAQ,CAAEd,CAAe,CAAC,QAAD,CAAW,UAAX,CAPpB,CAQLe,QAAQ,CAAEf,CAAe,CAAC,QAAD,CAAW,UAAX,CARpB,CANE,CAgBXgB,QAAQ,CAAE,CACNC,QAAQ,CAAE,cADJ,CAENC,kBAAkB,CAAE,uBAFd,CAGNC,mBAAmB,CAAE,wBAHf,CAINC,WAAW,CAAE,iCAJP,CAKNC,UAAU,CAAE,kCALN,CAMNC,WAAW,CAAE,cANP,CAONC,UAAU,CAAE,aAPN,CAhBC,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the contentbank interface.\n *\n * @module     core_contentbank/selectors\n * @package    core_contentbank\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * A small helper function to build queryable data selectors.\n *\n * @method getDataSelector\n * @param {String} name\n * @param {String} value\n * @return {string}\n */\nconst getDataSelector = (name, value) => {\n    return `[data-${name}=\"${value}\"]`;\n};\n\nexport default {\n    regions: {\n        cbcontentname: getDataSelector('region', 'cb-content-name'),\n        contentbank: getDataSelector('region', 'contentbank'),\n        filearea: getDataSelector('region', 'filearea')\n    },\n    actions: {\n        search: getDataSelector('action', 'searchcontent'),\n        clearSearch: getDataSelector('action', 'clearsearchcontent'),\n        viewgrid: getDataSelector('action', 'viewgrid'),\n        viewlist: getDataSelector('action', 'viewlist'),\n        sortname: getDataSelector('action', 'sortname'),\n        sortdate: getDataSelector('action', 'sortdate'),\n        sortsize: getDataSelector('action', 'sortsize'),\n        sorttype: getDataSelector('action', 'sorttype')\n    },\n    elements: {\n        listitem: '.cb-listitem',\n        cbnavbarbreadcrumb: '.cb-navbar-breadbrumb',\n        cbnavbartotalsearch: '.cb-navbar-totalsearch',\n        clearsearch: '.input-group-append .clear-icon',\n        searchicon: '.input-group-append .search-icon',\n        searchinput: '#searchinput',\n        sortbutton: '.cb-btnsort'\n    },\n};\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../src/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the contentbank interface.\n *\n * @module     core_contentbank/selectors\n * @package    core_contentbank\n * @copyright  2020 Sara Arjona <sara@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * A small helper function to build queryable data selectors.\n *\n * @method getDataSelector\n * @param {String} name\n * @param {String} value\n * @return {string}\n */\nconst getDataSelector = (name, value) => {\n    return `[data-${name}=\"${value}\"]`;\n};\n\nexport default {\n    regions: {\n        cbcontentname: getDataSelector('region', 'cb-content-name'),\n        contentbank: getDataSelector('region', 'contentbank'),\n        filearea: getDataSelector('region', 'filearea')\n    },\n    actions: {\n        search: getDataSelector('action', 'searchcontent'),\n        clearSearch: getDataSelector('action', 'clearsearchcontent'),\n        viewgrid: getDataSelector('action', 'viewgrid'),\n        viewlist: getDataSelector('action', 'viewlist'),\n        sortname: getDataSelector('action', 'sortname'),\n        sortdate: getDataSelector('action', 'sortdate'),\n        sortsize: getDataSelector('action', 'sortsize'),\n        sorttype: getDataSelector('action', 'sorttype')\n    },\n    elements: {\n        listitem: '.cb-listitem',\n        cbnavbarbreadcrumb: '.cb-navbar-breadbrumb',\n        cbnavbartotalsearch: '.cb-navbar-totalsearch',\n        clearsearch: '.input-group-append .clear-icon',\n        searchicon: '.input-group-append .search-icon',\n        searchinput: '#searchinput',\n        sortbutton: '.cb-btnsort'\n    },\n};\n"],"names":["getDataSelector","name","value","regions","cbcontentname","contentbank","filearea","actions","search","clearSearch","viewgrid","viewlist","sortname","sortdate","sortsize","sorttype","elements","listitem","cbnavbarbreadcrumb","cbnavbartotalsearch","clearsearch","searchicon","searchinput","sortbutton"],"mappings":";;;;;;;;;IAgCMA,gBAAkB,SAACC,KAAMC,6BACXD,kBAASC,sBAGd,CACXC,QAAS,CACLC,cAAeJ,gBAAgB,SAAU,mBACzCK,YAAaL,gBAAgB,SAAU,eACvCM,SAAUN,gBAAgB,SAAU,aAExCO,QAAS,CACLC,OAAQR,gBAAgB,SAAU,iBAClCS,YAAaT,gBAAgB,SAAU,sBACvCU,SAAUV,gBAAgB,SAAU,YACpCW,SAAUX,gBAAgB,SAAU,YACpCY,SAAUZ,gBAAgB,SAAU,YACpCa,SAAUb,gBAAgB,SAAU,YACpCc,SAAUd,gBAAgB,SAAU,YACpCe,SAAUf,gBAAgB,SAAU,aAExCgB,SAAU,CACNC,SAAU,eACVC,mBAAoB,wBACpBC,oBAAqB,yBACrBC,YAAa,kCACbC,WAAY,mCACZC,YAAa,eACbC,WAAY"}
\ No newline at end of file
diff --git a/contentbank/amd/build/sort.min.js b/contentbank/amd/build/sort.min.js
index d8222cab695..75a6b8afeb7 100644
--- a/contentbank/amd/build/sort.min.js
+++ b/contentbank/amd/build/sort.min.js
@@ -1,2 +1,11 @@
-define ("core_contentbank/sort",["exports","./selectors","core/str","core/prefetch","core/ajax","core/notification"],function(a,b,c,d,e,f){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=g(b);d=g(d);e=g(e);f=g(f);function g(a){return a&&a.__esModule?a:{default:a}}var h=function(){var a=document.querySelector(b.default.regions.contentbank);d.default.prefetchStrings("contentbank",["contentname","lastmodified","size","type"]);d.default.prefetchStrings("moodle",["sortbyx","sortbyxreverse"]);i(a)};a.init=h;var i=function(a){var c=document.querySelector(b.default.regions.filearea),d=c.querySelectorAll(b.default.elements.listitem),e=a.querySelector(b.default.actions.viewgrid),f=a.querySelector(b.default.actions.viewlist);e.addEventListener("click",function(){a.classList.remove("view-list");a.classList.add("view-grid");e.classList.add("active");f.classList.remove("active");j(!1)});f.addEventListener("click",function(){a.classList.remove("view-grid");a.classList.add("view-list");f.classList.add("active");e.classList.remove("active");j(!0)});var g=a.querySelector(b.default.actions.sortname);g.addEventListener("click",function(){var b=k(a,g);m(c,d,"data-file",b)});var h=a.querySelector(b.default.actions.sortdate);h.addEventListener("click",function(){var b=k(a,h);m(c,d,"data-timemodified",b)});var i=a.querySelector(b.default.actions.sortsize);i.addEventListener("click",function(){var b=k(a,i);m(c,d,"data-bytes",b)});var l=a.querySelector(b.default.actions.sorttype);l.addEventListener("click",function(){var b=k(a,l);m(c,d,"data-type",b)})},j=function(a){if(!1===a){a=null}var b={methodname:"core_user_update_user_preferences",args:{preferences:[{type:"core_contentbank_view_list",value:a}]}};return e.default.call([b])[0].catch(f.default.exception)},k=function(a,c){var d=a.querySelectorAll(b.default.elements.sortbutton);d.forEach(function(a){if(a!==c){a.classList.remove("dir-asc");a.classList.remove("dir-desc");a.classList.add("dir-none");l(a,!1)}});var e=!0;if(c.classList.contains("dir-none")){c.classList.remove("dir-none");c.classList.add("dir-asc")}else if(c.classList.contains("dir-asc")){c.classList.remove("dir-asc");c.classList.add("dir-desc");e=!1}else if(c.classList.contains("dir-desc")){c.classList.remove("dir-desc");c.classList.add("dir-asc")}l(c,e);return e},l=function(a,b){var d=b?"sortbyxreverse":"sortbyx";return(0,c.get_string)(a.dataset.string,"contentbank").then(function(a){return(0,c.get_string)(d,"core",a)}).then(function(b){a.setAttribute("title",b);return b}).catch()},m=function(a,b,c,d){var e=[].slice.call(b).sort(function(e,a){var b=e.getAttribute(c),f=a.getAttribute(c);if(!isNaN(b)){b=parseInt(b);f=parseInt(f)}if(d){return b>f?1:-1}else{return b<f?1:-1}});e.forEach(function(b){return a.appendChild(b)})}});
-//# sourceMappingURL=sort.min.js.map
+define("core_contentbank/sort",["exports","./selectors","core/str","core/prefetch","core/ajax","core/notification"],(function(_exports,_selectors,_str,_prefetch,_ajax,_notification){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Content bank UI actions.
+   *
+   * @module     core_contentbank/sort
+   * @package    core_contentbank
+   * @copyright  2020 Bas Brands <bas@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_selectors=_interopRequireDefault(_selectors),_prefetch=_interopRequireDefault(_prefetch),_ajax=_interopRequireDefault(_ajax),_notification=_interopRequireDefault(_notification);_exports.init=function(){var contentBank=document.querySelector(_selectors.default.regions.contentbank);_prefetch.default.prefetchStrings("contentbank",["contentname","lastmodified","size","type"]),_prefetch.default.prefetchStrings("moodle",["sortbyx","sortbyxreverse"]),registerListenerEvents(contentBank)};var registerListenerEvents=function(contentBank){var fileArea=document.querySelector(_selectors.default.regions.filearea),shownItems=fileArea.querySelectorAll(_selectors.default.elements.listitem),viewGrid=contentBank.querySelector(_selectors.default.actions.viewgrid),viewList=contentBank.querySelector(_selectors.default.actions.viewlist);viewGrid.addEventListener("click",(function(){contentBank.classList.remove("view-list"),contentBank.classList.add("view-grid"),viewGrid.classList.add("active"),viewList.classList.remove("active"),setViewListPreference(!1)})),viewList.addEventListener("click",(function(){contentBank.classList.remove("view-grid"),contentBank.classList.add("view-list"),viewList.classList.add("active"),viewGrid.classList.remove("active"),setViewListPreference(!0)}));var sortByName=contentBank.querySelector(_selectors.default.actions.sortname);sortByName.addEventListener("click",(function(){var ascending=updateSortButtons(contentBank,sortByName);updateSortOrder(fileArea,shownItems,"data-file",ascending)}));var sortByDate=contentBank.querySelector(_selectors.default.actions.sortdate);sortByDate.addEventListener("click",(function(){var ascending=updateSortButtons(contentBank,sortByDate);updateSortOrder(fileArea,shownItems,"data-timemodified",ascending)}));var sortBySize=contentBank.querySelector(_selectors.default.actions.sortsize);sortBySize.addEventListener("click",(function(){var ascending=updateSortButtons(contentBank,sortBySize);updateSortOrder(fileArea,shownItems,"data-bytes",ascending)}));var sortByType=contentBank.querySelector(_selectors.default.actions.sorttype);sortByType.addEventListener("click",(function(){var ascending=updateSortButtons(contentBank,sortByType);updateSortOrder(fileArea,shownItems,"data-type",ascending)}))},setViewListPreference=function(viewList){!1===viewList&&(viewList=null);var request={methodname:"core_user_update_user_preferences",args:{preferences:[{type:"core_contentbank_view_list",value:viewList}]}};return _ajax.default.call([request])[0].catch(_notification.default.exception)},updateSortButtons=function(contentBank,sortButton){contentBank.querySelectorAll(_selectors.default.elements.sortbutton).forEach((function(button){button!==sortButton&&(button.classList.remove("dir-asc"),button.classList.remove("dir-desc"),button.classList.add("dir-none"),updateButtonTitle(button,!1))}));var ascending=!0;return sortButton.classList.contains("dir-none")?(sortButton.classList.remove("dir-none"),sortButton.classList.add("dir-asc")):sortButton.classList.contains("dir-asc")?(sortButton.classList.remove("dir-asc"),sortButton.classList.add("dir-desc"),ascending=!1):sortButton.classList.contains("dir-desc")&&(sortButton.classList.remove("dir-desc"),sortButton.classList.add("dir-asc")),updateButtonTitle(sortButton,ascending),ascending},updateButtonTitle=function(button,ascending){var sortString=ascending?"sortbyxreverse":"sortbyx";return(0,_str.get_string)(button.dataset.string,"contentbank").then((function(columnName){return(0,_str.get_string)(sortString,"core",columnName)})).then((function(sortByString){return button.setAttribute("title",sortByString),sortByString})).catch()},updateSortOrder=function(fileArea,itemList,attribute,ascending){[].slice.call(itemList).sort((function(a,b){var aa=a.getAttribute(attribute),bb=b.getAttribute(attribute);return isNaN(aa)||(aa=parseInt(aa),bb=parseInt(bb)),ascending?aa>bb?1:-1:aa<bb?1:-1})).forEach((function(listItem){return fileArea.appendChild(listItem)}))}}));
+
+//# sourceMappingURL=sort.min.js.map
\ No newline at end of file
diff --git a/contentbank/amd/build/sort.min.js.map b/contentbank/amd/build/sort.min.js.map
index dae9e77dbd9..ad611e9a2a9 100644
--- a/contentbank/amd/build/sort.min.js.map
+++ b/contentbank/amd/build/sort.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Content bank UI actions.\n *\n * @module     core_contentbank/sort\n * @package    core_contentbank\n * @copyright  2020 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport selectors from './selectors';\nimport {get_string as getString} from 'core/str';\nimport Prefetch from 'core/prefetch';\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\n/**\n * Set up the contentbank views.\n *\n * @method init\n */\nexport const init = () => {\n    const contentBank = document.querySelector(selectors.regions.contentbank);\n    Prefetch.prefetchStrings('contentbank', ['contentname', 'lastmodified', 'size', 'type']);\n    Prefetch.prefetchStrings('moodle', ['sortbyx', 'sortbyxreverse']);\n    registerListenerEvents(contentBank);\n};\n\n/**\n * Register contentbank related event listeners.\n *\n * @method registerListenerEvents\n * @param {HTMLElement} contentBank The DOM node of the content bank\n */\nconst registerListenerEvents = (contentBank) => {\n\n    // The search.\n    const fileArea = document.querySelector(selectors.regions.filearea);\n    const shownItems = fileArea.querySelectorAll(selectors.elements.listitem);\n\n    // The view buttons.\n    const viewGrid = contentBank.querySelector(selectors.actions.viewgrid);\n    const viewList = contentBank.querySelector(selectors.actions.viewlist);\n\n    viewGrid.addEventListener('click', () => {\n        contentBank.classList.remove('view-list');\n        contentBank.classList.add('view-grid');\n        viewGrid.classList.add('active');\n        viewList.classList.remove('active');\n        setViewListPreference(false);\n    });\n\n    viewList.addEventListener('click', () => {\n        contentBank.classList.remove('view-grid');\n        contentBank.classList.add('view-list');\n        viewList.classList.add('active');\n        viewGrid.classList.remove('active');\n        setViewListPreference(true);\n    });\n\n    // Sort by file name alphabetical\n    const sortByName = contentBank.querySelector(selectors.actions.sortname);\n    sortByName.addEventListener('click', () => {\n        const ascending = updateSortButtons(contentBank, sortByName);\n        updateSortOrder(fileArea, shownItems, 'data-file', ascending);\n    });\n\n    // Sort by date.\n    const sortByDate = contentBank.querySelector(selectors.actions.sortdate);\n    sortByDate.addEventListener('click', () => {\n        const ascending = updateSortButtons(contentBank, sortByDate);\n        updateSortOrder(fileArea, shownItems, 'data-timemodified', ascending);\n    });\n\n    // Sort by size.\n    const sortBySize = contentBank.querySelector(selectors.actions.sortsize);\n    sortBySize.addEventListener('click', () => {\n        const ascending = updateSortButtons(contentBank, sortBySize);\n        updateSortOrder(fileArea, shownItems, 'data-bytes', ascending);\n    });\n\n    // Sort by type\n    const sortByType = contentBank.querySelector(selectors.actions.sorttype);\n    sortByType.addEventListener('click', () => {\n        const ascending = updateSortButtons(contentBank, sortByType);\n        updateSortOrder(fileArea, shownItems, 'data-type', ascending);\n    });\n};\n\n\n/**\n * Set the contentbank user preference in list view\n *\n * @param  {Bool} viewList view ContentBank as list.\n * @return {Promise} Repository promise.\n */\nconst setViewListPreference = function(viewList) {\n\n    // If the given status is not hidden, the preference has to be deleted with a null value.\n    if (viewList === false) {\n        viewList = null;\n    }\n\n    const request = {\n        methodname: 'core_user_update_user_preferences',\n        args: {\n            preferences: [\n                {\n                    type: 'core_contentbank_view_list',\n                    value: viewList\n                }\n            ]\n        }\n    };\n\n    return Ajax.call([request])[0].catch(Notification.exception);\n};\n\n/**\n * Update the sort button view.\n *\n * @method updateSortButtons\n * @param {HTMLElement} contentBank The DOM node of the contentbank button\n * @param {HTMLElement} sortButton The DOM node of the sort button\n * @return {Bool} sort ascending\n */\nconst updateSortButtons = (contentBank, sortButton) => {\n    const sortButtons = contentBank.querySelectorAll(selectors.elements.sortbutton);\n\n    sortButtons.forEach((button) => {\n        if (button !== sortButton) {\n            button.classList.remove('dir-asc');\n            button.classList.remove('dir-desc');\n            button.classList.add('dir-none');\n\n            updateButtonTitle(button, false);\n        }\n    });\n\n    let ascending = true;\n\n    if (sortButton.classList.contains('dir-none')) {\n        sortButton.classList.remove('dir-none');\n        sortButton.classList.add('dir-asc');\n    } else if (sortButton.classList.contains('dir-asc')) {\n        sortButton.classList.remove('dir-asc');\n        sortButton.classList.add('dir-desc');\n        ascending = false;\n    } else if (sortButton.classList.contains('dir-desc')) {\n        sortButton.classList.remove('dir-desc');\n        sortButton.classList.add('dir-asc');\n    }\n\n    updateButtonTitle(sortButton, ascending);\n\n    return ascending;\n};\n\n/**\n * Update the button title.\n *\n * @method updateButtonTitle\n * @param {HTMLElement} button Button to update\n * @param {Bool} ascending Sort direction\n * @return {Promise} string promise\n */\nconst updateButtonTitle = (button, ascending) => {\n\n    const sortString = (ascending ? 'sortbyxreverse' : 'sortbyx');\n\n    return getString(button.dataset.string, 'contentbank')\n    .then(columnName => {\n        return getString(sortString, 'core', columnName);\n    })\n    .then(sortByString => {\n        button.setAttribute('title', sortByString);\n        return sortByString;\n    })\n    .catch();\n};\n\n/**\n * Update the sort order of the itemlist and update the DOM\n *\n * @method updateSortOrder\n * @param {HTMLElement} fileArea the Dom container for the itemlist\n * @param {Array} itemList Nodelist of Dom elements\n * @param {String} attribute, the attribut to sort on\n * @param {Bool} ascending, Sort Ascending\n */\nconst updateSortOrder = (fileArea, itemList, attribute, ascending) => {\n    const sortList = [].slice.call(itemList).sort(function(a, b) {\n\n        let aa = a.getAttribute(attribute);\n        let bb = b.getAttribute(attribute);\n        if (!isNaN(aa)) {\n           aa = parseInt(aa);\n           bb = parseInt(bb);\n        }\n\n        if (ascending) {\n            return aa > bb ? 1 : -1;\n        } else {\n            return aa < bb ? 1 : -1;\n        }\n    });\n    sortList.forEach(listItem => fileArea.appendChild(listItem));\n};\n"],"file":"sort.min.js"}
\ No newline at end of file
+{"version":3,"file":"sort.min.js","sources":["../src/sort.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Content bank UI actions.\n *\n * @module     core_contentbank/sort\n * @package    core_contentbank\n * @copyright  2020 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport selectors from './selectors';\nimport {get_string as getString} from 'core/str';\nimport Prefetch from 'core/prefetch';\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\n/**\n * Set up the contentbank views.\n *\n * @method init\n */\nexport const init = () => {\n    const contentBank = document.querySelector(selectors.regions.contentbank);\n    Prefetch.prefetchStrings('contentbank', ['contentname', 'lastmodified', 'size', 'type']);\n    Prefetch.prefetchStrings('moodle', ['sortbyx', 'sortbyxreverse']);\n    registerListenerEvents(contentBank);\n};\n\n/**\n * Register contentbank related event listeners.\n *\n * @method registerListenerEvents\n * @param {HTMLElement} contentBank The DOM node of the content bank\n */\nconst registerListenerEvents = (contentBank) => {\n\n    // The search.\n    const fileArea = document.querySelector(selectors.regions.filearea);\n    const shownItems = fileArea.querySelectorAll(selectors.elements.listitem);\n\n    // The view buttons.\n    const viewGrid = contentBank.querySelector(selectors.actions.viewgrid);\n    const viewList = contentBank.querySelector(selectors.actions.viewlist);\n\n    viewGrid.addEventListener('click', () => {\n        contentBank.classList.remove('view-list');\n        contentBank.classList.add('view-grid');\n        viewGrid.classList.add('active');\n        viewList.classList.remove('active');\n        setViewListPreference(false);\n    });\n\n    viewList.addEventListener('click', () => {\n        contentBank.classList.remove('view-grid');\n        contentBank.classList.add('view-list');\n        viewList.classList.add('active');\n        viewGrid.classList.remove('active');\n        setViewListPreference(true);\n    });\n\n    // Sort by file name alphabetical\n    const sortByName = contentBank.querySelector(selectors.actions.sortname);\n    sortByName.addEventListener('click', () => {\n        const ascending = updateSortButtons(contentBank, sortByName);\n        updateSortOrder(fileArea, shownItems, 'data-file', ascending);\n    });\n\n    // Sort by date.\n    const sortByDate = contentBank.querySelector(selectors.actions.sortdate);\n    sortByDate.addEventListener('click', () => {\n        const ascending = updateSortButtons(contentBank, sortByDate);\n        updateSortOrder(fileArea, shownItems, 'data-timemodified', ascending);\n    });\n\n    // Sort by size.\n    const sortBySize = contentBank.querySelector(selectors.actions.sortsize);\n    sortBySize.addEventListener('click', () => {\n        const ascending = updateSortButtons(contentBank, sortBySize);\n        updateSortOrder(fileArea, shownItems, 'data-bytes', ascending);\n    });\n\n    // Sort by type\n    const sortByType = contentBank.querySelector(selectors.actions.sorttype);\n    sortByType.addEventListener('click', () => {\n        const ascending = updateSortButtons(contentBank, sortByType);\n        updateSortOrder(fileArea, shownItems, 'data-type', ascending);\n    });\n};\n\n\n/**\n * Set the contentbank user preference in list view\n *\n * @param  {Bool} viewList view ContentBank as list.\n * @return {Promise} Repository promise.\n */\nconst setViewListPreference = function(viewList) {\n\n    // If the given status is not hidden, the preference has to be deleted with a null value.\n    if (viewList === false) {\n        viewList = null;\n    }\n\n    const request = {\n        methodname: 'core_user_update_user_preferences',\n        args: {\n            preferences: [\n                {\n                    type: 'core_contentbank_view_list',\n                    value: viewList\n                }\n            ]\n        }\n    };\n\n    return Ajax.call([request])[0].catch(Notification.exception);\n};\n\n/**\n * Update the sort button view.\n *\n * @method updateSortButtons\n * @param {HTMLElement} contentBank The DOM node of the contentbank button\n * @param {HTMLElement} sortButton The DOM node of the sort button\n * @return {Bool} sort ascending\n */\nconst updateSortButtons = (contentBank, sortButton) => {\n    const sortButtons = contentBank.querySelectorAll(selectors.elements.sortbutton);\n\n    sortButtons.forEach((button) => {\n        if (button !== sortButton) {\n            button.classList.remove('dir-asc');\n            button.classList.remove('dir-desc');\n            button.classList.add('dir-none');\n\n            updateButtonTitle(button, false);\n        }\n    });\n\n    let ascending = true;\n\n    if (sortButton.classList.contains('dir-none')) {\n        sortButton.classList.remove('dir-none');\n        sortButton.classList.add('dir-asc');\n    } else if (sortButton.classList.contains('dir-asc')) {\n        sortButton.classList.remove('dir-asc');\n        sortButton.classList.add('dir-desc');\n        ascending = false;\n    } else if (sortButton.classList.contains('dir-desc')) {\n        sortButton.classList.remove('dir-desc');\n        sortButton.classList.add('dir-asc');\n    }\n\n    updateButtonTitle(sortButton, ascending);\n\n    return ascending;\n};\n\n/**\n * Update the button title.\n *\n * @method updateButtonTitle\n * @param {HTMLElement} button Button to update\n * @param {Bool} ascending Sort direction\n * @return {Promise} string promise\n */\nconst updateButtonTitle = (button, ascending) => {\n\n    const sortString = (ascending ? 'sortbyxreverse' : 'sortbyx');\n\n    return getString(button.dataset.string, 'contentbank')\n    .then(columnName => {\n        return getString(sortString, 'core', columnName);\n    })\n    .then(sortByString => {\n        button.setAttribute('title', sortByString);\n        return sortByString;\n    })\n    .catch();\n};\n\n/**\n * Update the sort order of the itemlist and update the DOM\n *\n * @method updateSortOrder\n * @param {HTMLElement} fileArea the Dom container for the itemlist\n * @param {Array} itemList Nodelist of Dom elements\n * @param {String} attribute, the attribut to sort on\n * @param {Bool} ascending, Sort Ascending\n */\nconst updateSortOrder = (fileArea, itemList, attribute, ascending) => {\n    const sortList = [].slice.call(itemList).sort(function(a, b) {\n\n        let aa = a.getAttribute(attribute);\n        let bb = b.getAttribute(attribute);\n        if (!isNaN(aa)) {\n           aa = parseInt(aa);\n           bb = parseInt(bb);\n        }\n\n        if (ascending) {\n            return aa > bb ? 1 : -1;\n        } else {\n            return aa < bb ? 1 : -1;\n        }\n    });\n    sortList.forEach(listItem => fileArea.appendChild(listItem));\n};\n"],"names":["contentBank","document","querySelector","selectors","regions","contentbank","prefetchStrings","registerListenerEvents","fileArea","filearea","shownItems","querySelectorAll","elements","listitem","viewGrid","actions","viewgrid","viewList","viewlist","addEventListener","classList","remove","add","setViewListPreference","sortByName","sortname","ascending","updateSortButtons","updateSortOrder","sortByDate","sortdate","sortBySize","sortsize","sortByType","sorttype","request","methodname","args","preferences","type","value","Ajax","call","catch","Notification","exception","sortButton","sortbutton","forEach","button","updateButtonTitle","contains","sortString","dataset","string","then","columnName","sortByString","setAttribute","itemList","attribute","slice","sort","a","b","aa","getAttribute","bb","isNaN","parseInt","listItem","appendChild"],"mappings":";;;;;;;;kRAmCoB,eACVA,YAAcC,SAASC,cAAcC,mBAAUC,QAAQC,+BACpDC,gBAAgB,cAAe,CAAC,cAAe,eAAgB,OAAQ,2BACvEA,gBAAgB,SAAU,CAAC,UAAW,mBAC/CC,uBAAuBP,kBASrBO,uBAAyB,SAACP,iBAGtBQ,SAAWP,SAASC,cAAcC,mBAAUC,QAAQK,UACpDC,WAAaF,SAASG,iBAAiBR,mBAAUS,SAASC,UAG1DC,SAAWd,YAAYE,cAAcC,mBAAUY,QAAQC,UACvDC,SAAWjB,YAAYE,cAAcC,mBAAUY,QAAQG,UAE7DJ,SAASK,iBAAiB,SAAS,WAC/BnB,YAAYoB,UAAUC,OAAO,aAC7BrB,YAAYoB,UAAUE,IAAI,aAC1BR,SAASM,UAAUE,IAAI,UACvBL,SAASG,UAAUC,OAAO,UAC1BE,uBAAsB,MAG1BN,SAASE,iBAAiB,SAAS,WAC/BnB,YAAYoB,UAAUC,OAAO,aAC7BrB,YAAYoB,UAAUE,IAAI,aAC1BL,SAASG,UAAUE,IAAI,UACvBR,SAASM,UAAUC,OAAO,UAC1BE,uBAAsB,UAIpBC,WAAaxB,YAAYE,cAAcC,mBAAUY,QAAQU,UAC/DD,WAAWL,iBAAiB,SAAS,eAC3BO,UAAYC,kBAAkB3B,YAAawB,YACjDI,gBAAgBpB,SAAUE,WAAY,YAAagB,kBAIjDG,WAAa7B,YAAYE,cAAcC,mBAAUY,QAAQe,UAC/DD,WAAWV,iBAAiB,SAAS,eAC3BO,UAAYC,kBAAkB3B,YAAa6B,YACjDD,gBAAgBpB,SAAUE,WAAY,oBAAqBgB,kBAIzDK,WAAa/B,YAAYE,cAAcC,mBAAUY,QAAQiB,UAC/DD,WAAWZ,iBAAiB,SAAS,eAC3BO,UAAYC,kBAAkB3B,YAAa+B,YACjDH,gBAAgBpB,SAAUE,WAAY,aAAcgB,kBAIlDO,WAAajC,YAAYE,cAAcC,mBAAUY,QAAQmB,UAC/DD,WAAWd,iBAAiB,SAAS,eAC3BO,UAAYC,kBAAkB3B,YAAaiC,YACjDL,gBAAgBpB,SAAUE,WAAY,YAAagB,eAWrDH,sBAAwB,SAASN,WAGlB,IAAbA,WACAA,SAAW,UAGTkB,QAAU,CACZC,WAAY,oCACZC,KAAM,CACFC,YAAa,CACT,CACIC,KAAM,6BACNC,MAAOvB,oBAMhBwB,cAAKC,KAAK,CAACP,UAAU,GAAGQ,MAAMC,sBAAaC,YAWhDlB,kBAAoB,SAAC3B,YAAa8C,YAChB9C,YAAYW,iBAAiBR,mBAAUS,SAASmC,YAExDC,SAAQ,SAACC,QACbA,SAAWH,aACXG,OAAO7B,UAAUC,OAAO,WACxB4B,OAAO7B,UAAUC,OAAO,YACxB4B,OAAO7B,UAAUE,IAAI,YAErB4B,kBAAkBD,QAAQ,WAI9BvB,WAAY,SAEZoB,WAAW1B,UAAU+B,SAAS,aAC9BL,WAAW1B,UAAUC,OAAO,YAC5ByB,WAAW1B,UAAUE,IAAI,YAClBwB,WAAW1B,UAAU+B,SAAS,YACrCL,WAAW1B,UAAUC,OAAO,WAC5ByB,WAAW1B,UAAUE,IAAI,YACzBI,WAAY,GACLoB,WAAW1B,UAAU+B,SAAS,cACrCL,WAAW1B,UAAUC,OAAO,YAC5ByB,WAAW1B,UAAUE,IAAI,YAG7B4B,kBAAkBJ,WAAYpB,WAEvBA,WAWLwB,kBAAoB,SAACD,OAAQvB,eAEzB0B,WAAc1B,UAAY,iBAAmB,iBAE5C,mBAAUuB,OAAOI,QAAQC,OAAQ,eACvCC,MAAK,SAAAC,mBACK,mBAAUJ,WAAY,OAAQI,eAExCD,MAAK,SAAAE,qBACFR,OAAOS,aAAa,QAASD,cACtBA,gBAEVd,SAYCf,gBAAkB,SAACpB,SAAUmD,SAAUC,UAAWlC,WACnC,GAAGmC,MAAMnB,KAAKiB,UAAUG,MAAK,SAASC,EAAGC,OAElDC,GAAKF,EAAEG,aAAaN,WACpBO,GAAKH,EAAEE,aAAaN,kBACnBQ,MAAMH,MACRA,GAAKI,SAASJ,IACdE,GAAKE,SAASF,KAGbzC,UACOuC,GAAKE,GAAK,GAAK,EAEfF,GAAKE,GAAK,GAAK,KAGrBnB,SAAQ,SAAAsB,iBAAY9D,SAAS+D,YAAYD"}
\ No newline at end of file
diff --git a/course/amd/build/actions.min.js b/course/amd/build/actions.min.js
index 884ee1c4cbb..007b20fdb0a 100644
--- a/course/amd/build/actions.min.js
+++ b/course/amd/build/actions.min.js
@@ -1,2 +1,12 @@
-define ("core_course/actions",["jquery","core/ajax","core/templates","core/notification","core/str","core/url","core/yui","core/modal_factory","core/modal_events","core/key_codes","core/log"],function(a,b,c,d,e,f,g,h,i,j,k){var l={EDITINPROGRESS:"editinprogress",SECTIONDRAGGABLE:"sectiondraggable",EDITINGMOVE:"editing_move"},m={ACTIVITYLI:"li.activity",ACTIONAREA:".actions",ACTIVITYACTION:"a.cm-edit-action",MENU:".moodle-actionmenu[data-enhance=moodle-core-actionmenu]",TOGGLE:".toggle-display,.dropdown-toggle",SECTIONLI:"li.section",SECTIONACTIONMENU:".section_action_menu",ADDSECTIONS:"#changenumsections [data-add-sections]"};g.use("moodle-course-coursebase",function(){var a=M.course.format.get_section_selector();if(a){m.SECTIONLI=a}});var n=function(a){var b;g.use("moodle-course-util",function(c){b=c.Moodle.core_course.util.cm.getId(c.Node(a.get(0)))});return b},o=function(a){var b;g.use("moodle-course-util",function(c){b=c.Moodle.core_course.util.cm.getName(c.Node(a.get(0)))});return b},p=function(a){a.addClass(l.EDITINPROGRESS);var b=a.find(m.ACTIONAREA).get(0);if(b){var c=M.util.add_spinner(g,g.Node(b));c.show();return c}return null},q=function(a){a.addClass(l.EDITINPROGRESS);var b=a.find(m.SECTIONACTIONMENU).get(0);if(b){var c=M.util.add_spinner(g,g.Node(b));c.show();return c}return null},r=function(a){var b=M.util.add_lightbox(g,g.Node(a.get(0)));b.show();return b},s=function(a,b,c){window.setTimeout(function(){a.removeClass(l.EDITINPROGRESS);if(b){b.hide()}},c)},t=function(a,b){if(a){window.setTimeout(function(){a.hide()},b)}},u=function(a){g.use("moodle-course-coursebase",function(){M.course.coursebase.invoke_function("setup_for_resource","#"+a)});if(M.core.actionmenu&&M.core.actionmenu.newDOMNode){M.core.actionmenu.newDOMNode(g.one("#"+a))}},v=function(b,c){var d=a("#"+b),e="[data-action="+c+"]";if("groupsseparate"===c||"groupsvisible"===c||"groupsnone"===c){e="[data-action=groupsseparate],[data-action=groupsvisible],[data-action=groupsnone]"}if(d.find(e).is(":visible")){d.find(e).focus()}else{d.find(m.MENU).find(m.TOGGLE).focus()}},w=function(b){var c=a("a:visible"),d=!1,e=null;c.each(function(){if(a.contains(b[0],this)){d=!0}else if(d){e=this;return!1}});return e},x=function(c,e,f){var g=f.attr("data-action"),h=p(c),i=b.call([{methodname:"core_course_edit_module",args:{id:e,action:g,sectionreturn:f.attr("data-sectionreturn")?f.attr("data-sectionreturn"):0}}],!0),j;if("duplicate"===g){j=r(f.closest(m.SECTIONLI))}a.when.apply(a,i).done(function(b){var d=w(c);c.replaceWith(b);a("<div>"+b+"</div>").find(m.ACTIVITYLI).each(function(b){u(a(this).attr("id"));if(0===b){v(a(this).attr("id"),g);d=null}});if(d){d.focus()}s(c,h,400);t(j,400);c.trigger(a.Event("coursemoduleedited",{ajaxreturn:b,action:g}))}).fail(function(b){s(c,h);t(j);var f=a.Event("coursemoduleeditfailed",{exception:b,action:g});c.trigger(f);if(!f.isDefaultPrevented()){d.exception(b)}})},y=function(c,d,e){var f=p(c),g=b.call([{methodname:"core_course_get_module",args:{id:d,sectionreturn:e}}],!0);a.when.apply(a,g).done(function(a){s(c,f,400);D(a)}).fail(function(){s(c,f)})},z=function(a,b){var c=a.attr("class").match(/modtype_([^\s]*)/)[1],f=o(a);e.get_string("pluginname",c).done(function(a){e.get_strings([{key:"confirm"},{key:null===f?"deletechecktype":"deletechecktypename",param:{type:a,name:f}},{key:"yes"},{key:"no"}]).done(function(a){d.confirm(a[0],a[1],a[2],a[3],b)})})},A=function(a,b){e.get_strings([{key:"confirm"},{key:"yes"},{key:"no"}]).done(function(c){d.confirm(c[0],a,c[1],c[2],b)})},B=function(a,b,f,g,h){return e.get_strings([{key:f,component:g}]).then(function(d){a.find("span.menu-action-text").html(d[0]);return c.renderPix(b,"core")}).then(function(b){a.find(".icon").replaceWith(b);a.attr("data-action",h)}).catch(d.exception)},C=function(b,c,d,e){var f=c.attr("data-action");if("hide"===f||"show"===f){if("hide"===f){b.addClass("hidden");B(c,"i/show","showfromothers","format_"+e,"show")}else{b.removeClass("hidden");B(c,"i/hide","hidefromothers","format_"+e,"hide")}if(d.modules!==void 0){for(var g in d.modules){D(d.modules[g])}}if(d.section_availability!==void 0){b.find(".section_availability").first().replaceWith(d.section_availability)}}else if("setmarker"===f){var h=a(m.SECTIONLI+".current"),i=h.find(m.SECTIONACTIONMENU+" a[data-action=removemarker]");h.removeClass("current");B(i,"i/marker","highlight","core","setmarker");b.addClass("current");B(c,"i/marked","highlightoff","core","removemarker")}else if("removemarker"===f){b.removeClass("current");B(c,"i/marker","highlight","core","setmarker")}},D=function(b){a("<div>"+b+"</div>").find(m.ACTIVITYLI).each(function(){var c=a(this).attr("id");a(m.ACTIVITYLI+"#"+c).replaceWith(b);u(c)})},E=function(c,e,f,g){var h=f.attr("data-action"),i=f.attr("data-sectionreturn")?f.attr("data-sectionreturn"):0,j=q(c),k=b.call([{methodname:"core_course_edit_section",args:{id:e,action:h,sectionreturn:i}}],!0),l=r(c);a.when.apply(a,k).done(function(b){var d=a.parseJSON(b);s(c,j);t(l);c.find(m.SECTIONACTIONMENU).find(m.TOGGLE).focus();var i=a.Event("coursesectionedited",{ajaxreturn:d,action:h});c.trigger(i);if(!i.isDefaultPrevented()){C(c,f,d,g)}}).fail(function(b){s(c,j);t(l);var f=a.Event("coursesectioneditfailed",{exception:b,action:h});c.trigger(f);if(!f.isDefaultPrevented()){d.exception(b)}})};g.use("moodle-course-coursebase",function(){M.course.coursebase.register_module({set_visibility_resource_ui:function set_visibility_resource_ui(b){var c=a(b.element.getDOMNode()),d=n(c);if(d){var e=c.find("."+l.EDITINGMOVE).attr("data-sectionreturn");y(c,d,e)}}})});return{initCoursePage:function initCoursePage(b){a("body").on("click keypress",m.ACTIVITYLI+" "+m.ACTIVITYACTION+"[data-action]",function(b){if("keypress"===b.type&&13!==b.keyCode){return}var c=a(this),d=c.closest(m.ACTIVITYLI),e=c.attr("data-action"),f=n(d);switch(e){case"moveleft":case"moveright":case"delete":case"duplicate":case"hide":case"stealth":case"show":case"groupsseparate":case"groupsvisible":case"groupsnone":break;default:return;}if(!f){return}b.preventDefault();if("delete"===e){z(d,function(){x(d,f,c)})}else{x(d,f,c)}});a("body").on("click keypress",m.SECTIONLI+" "+m.SECTIONACTIONMENU+"[data-sectionid] a[data-action]",function(c){if("keypress"===c.type&&13!==c.keyCode){return}var d=a(this),e=d.closest(m.SECTIONLI),f=d.closest(m.SECTIONACTIONMENU).attr("data-sectionid");c.preventDefault();if(d.attr("data-confirm")){A(d.attr("data-confirm"),function(){E(e,f,d,b)})}else{E(e,f,d,b)}});e.get_string("numberweeks").done(function(b){var c=a(m.ADDSECTIONS),d=c.attr("data-add-sections"),e=c.attr("data-new-sections"),f=a("<div><label for=\"add_section_numsections\"></label> <input id=\"add_section_numsections\" type=\"number\" min=\"1\" max=\""+e+"\" value=\"1\"></div>");f.find("label").html(b);h.create({title:d,type:h.types.SAVE_CANCEL,body:f.html()},c).done(function(b){var e=a(b.getBody()).find("#add_section_numsections"),f=function(){if(""+parseInt(e.val())===e.val()&&1<=parseInt(e.val())){document.location=c.attr("href")+"&numsections="+parseInt(e.val())}};b.setSaveButtonText(d);b.getRoot().on(i.shown,function(){e.focus().select().on("keydown",function(a){if(a.keyCode===j.enter){f()}})});b.getRoot().on(i.save,function(a){a.preventDefault();f()})})})},replaceSectionActionItem:function replaceSectionActionItem(a,b,c,d,e,f){k.debug("replaceSectionActionItem() is deprecated and will be removed.");var g=a.find(m.SECTIONACTIONMENU+" "+b);B(g,c,d,e,f)}}});
-//# sourceMappingURL=actions.min.js.map
+/**
+ * Various actions on modules and sections in the editing mode - hiding, duplicating, deleting, etc.
+ *
+ * @module     core_course/actions
+ * @package    core
+ * @copyright  2016 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.3
+ */
+define("core_course/actions",["jquery","core/ajax","core/templates","core/notification","core/str","core/url","core/yui","core/modal_factory","core/modal_events","core/key_codes","core/log"],(function($,ajax,templates,notification,str,url,Y,ModalFactory,ModalEvents,KeyCodes,log){var CSS_EDITINPROGRESS="editinprogress",CSS_EDITINGMOVE="editing_move",SELECTOR={ACTIVITYLI:"li.activity",ACTIONAREA:".actions",ACTIVITYACTION:"a.cm-edit-action",MENU:".moodle-actionmenu[data-enhance=moodle-core-actionmenu]",TOGGLE:".toggle-display,.dropdown-toggle",SECTIONLI:"li.section",SECTIONACTIONMENU:".section_action_menu",ADDSECTIONS:"#changenumsections [data-add-sections]"};Y.use("moodle-course-coursebase",(function(){var courseformatselector=M.course.format.get_section_selector();courseformatselector&&(SELECTOR.SECTIONLI=courseformatselector)}));var getModuleId=function(element){var id;return Y.use("moodle-course-util",(function(Y){id=Y.Moodle.core_course.util.cm.getId(Y.Node(element.get(0)))})),id},addActivitySpinner=function(activity){activity.addClass(CSS_EDITINPROGRESS);var actionarea=activity.find(SELECTOR.ACTIONAREA).get(0);if(actionarea){var spinner=M.util.add_spinner(Y,Y.Node(actionarea));return spinner.show(),spinner}return null},addSectionLightbox=function(sectionelement){var lightbox=M.util.add_lightbox(Y,Y.Node(sectionelement.get(0)));return lightbox.show(),lightbox},removeSpinner=function(element,spinner,delay){window.setTimeout((function(){element.removeClass(CSS_EDITINPROGRESS),spinner&&spinner.hide()}),delay)},removeLightbox=function(lightbox,delay){lightbox&&window.setTimeout((function(){lightbox.hide()}),delay)},initActionMenu=function(elementid){Y.use("moodle-course-coursebase",(function(){M.course.coursebase.invoke_function("setup_for_resource","#"+elementid)})),M.core.actionmenu&&M.core.actionmenu.newDOMNode&&M.core.actionmenu.newDOMNode(Y.one("#"+elementid))},editModule=function(moduleElement,cmid,target){var lightbox,action=target.attr("data-action"),spinner=addActivitySpinner(moduleElement),promises=ajax.call([{methodname:"core_course_edit_module",args:{id:cmid,action:action,sectionreturn:target.attr("data-sectionreturn")?target.attr("data-sectionreturn"):0}}],!0);"duplicate"===action&&(lightbox=addSectionLightbox(target.closest(SELECTOR.SECTIONLI))),$.when.apply($,promises).done((function(data){var mainElement,tabables,isInside,foundElement,elementToFocus=(mainElement=moduleElement,tabables=$("a:visible"),isInside=!1,foundElement=null,tabables.each((function(){if($.contains(mainElement[0],this))isInside=!0;else if(isInside)return foundElement=this,!1})),foundElement);moduleElement.replaceWith(data),$("<div>"+data+"</div>").find(SELECTOR.ACTIVITYLI).each((function(index){initActionMenu($(this).attr("id")),0===index&&(!function(elementId,action){var mainelement=$("#"+elementId),selector="[data-action="+action+"]";"groupsseparate"!==action&&"groupsvisible"!==action&&"groupsnone"!==action||(selector="[data-action=groupsseparate],[data-action=groupsvisible],[data-action=groupsnone]"),mainelement.find(selector).is(":visible")?mainelement.find(selector).focus():mainelement.find(SELECTOR.MENU).find(SELECTOR.TOGGLE).focus()}($(this).attr("id"),action),elementToFocus=null)})),elementToFocus&&elementToFocus.focus(),removeSpinner(moduleElement,spinner,400),removeLightbox(lightbox,400),moduleElement.trigger($.Event("coursemoduleedited",{ajaxreturn:data,action:action}))})).fail((function(ex){removeSpinner(moduleElement,spinner),removeLightbox(lightbox);var e=$.Event("coursemoduleeditfailed",{exception:ex,action:action});moduleElement.trigger(e),e.isDefaultPrevented()||notification.exception(ex)}))},confirmDeleteModule=function(mainelement,onconfirm){var element,name,modtypename=mainelement.attr("class").match(/modtype_([^\s]*)/)[1],modulename=(element=mainelement,Y.use("moodle-course-util",(function(Y){name=Y.Moodle.core_course.util.cm.getName(Y.Node(element.get(0)))})),name);str.get_string("pluginname",modtypename).done((function(pluginname){var plugindata={type:pluginname,name:modulename};str.get_strings([{key:"confirm"},{key:null===modulename?"deletechecktype":"deletechecktypename",param:plugindata},{key:"yes"},{key:"no"}]).done((function(s){notification.confirm(s[0],s[1],s[2],s[3],onconfirm)}))}))},replaceActionItem=function(actionitem,image,stringname,stringcomponent,newaction){var stringRequests=[{key:stringname,component:stringcomponent}];return str.get_strings(stringRequests).then((function(strings){return actionitem.find("span.menu-action-text").html(strings[0]),templates.renderPix(image,"core")})).then((function(pixhtml){actionitem.find(".icon").replaceWith(pixhtml),actionitem.attr("data-action",newaction)})).catch(notification.exception)},replaceActivityHtmlWith=function(activityHTML){$("<div>"+activityHTML+"</div>").find(SELECTOR.ACTIVITYLI).each((function(){var id=$(this).attr("id");$(SELECTOR.ACTIVITYLI+"#"+id).replaceWith(activityHTML),initActionMenu(id)}))},editSection=function(sectionElement,sectionid,target,courseformat){var action=target.attr("data-action"),sectionreturn=target.attr("data-sectionreturn")?target.attr("data-sectionreturn"):0,spinner=function(sectionelement){sectionelement.addClass(CSS_EDITINPROGRESS);var actionarea=sectionelement.find(SELECTOR.SECTIONACTIONMENU).get(0);if(actionarea){var spinner=M.util.add_spinner(Y,Y.Node(actionarea));return spinner.show(),spinner}return null}(sectionElement),promises=ajax.call([{methodname:"core_course_edit_section",args:{id:sectionid,action:action,sectionreturn:sectionreturn}}],!0),lightbox=addSectionLightbox(sectionElement);$.when.apply($,promises).done((function(dataencoded){var data=$.parseJSON(dataencoded);removeSpinner(sectionElement,spinner),removeLightbox(lightbox),sectionElement.find(SELECTOR.SECTIONACTIONMENU).find(SELECTOR.TOGGLE).focus();var e=$.Event("coursesectionedited",{ajaxreturn:data,action:action});sectionElement.trigger(e),e.isDefaultPrevented()||function(sectionElement,actionItem,data,courseformat){var action=actionItem.attr("data-action");if("hide"===action||"show"===action){if("hide"===action?(sectionElement.addClass("hidden"),replaceActionItem(actionItem,"i/show","showfromothers","format_"+courseformat,"show")):(sectionElement.removeClass("hidden"),replaceActionItem(actionItem,"i/hide","hidefromothers","format_"+courseformat,"hide")),void 0!==data.modules)for(var i in data.modules)replaceActivityHtmlWith(data.modules[i]);void 0!==data.section_availability&&sectionElement.find(".section_availability").first().replaceWith(data.section_availability)}else if("setmarker"===action){var oldmarker=$(SELECTOR.SECTIONLI+".current"),oldActionItem=oldmarker.find(SELECTOR.SECTIONACTIONMENU+" a[data-action=removemarker]");oldmarker.removeClass("current"),replaceActionItem(oldActionItem,"i/marker","highlight","core","setmarker"),sectionElement.addClass("current"),replaceActionItem(actionItem,"i/marked","highlightoff","core","removemarker")}else"removemarker"===action&&(sectionElement.removeClass("current"),replaceActionItem(actionItem,"i/marker","highlight","core","setmarker"))}(sectionElement,target,data,courseformat)})).fail((function(ex){removeSpinner(sectionElement,spinner),removeLightbox(lightbox);var e=$.Event("coursesectioneditfailed",{exception:ex,action:action});sectionElement.trigger(e),e.isDefaultPrevented()||notification.exception(ex)}))};return Y.use("moodle-course-coursebase",(function(){M.course.coursebase.register_module({set_visibility_resource_ui:function(args){var mainelement=$(args.element.getDOMNode()),cmid=getModuleId(mainelement);if(cmid){var sectionreturn=mainelement.find("."+CSS_EDITINGMOVE).attr("data-sectionreturn");!function(activityElement,cmid,sectionreturn){var spinner=addActivitySpinner(activityElement),promises=ajax.call([{methodname:"core_course_get_module",args:{id:cmid,sectionreturn:sectionreturn}}],!0);$.when.apply($,promises).done((function(data){removeSpinner(activityElement,spinner,400),replaceActivityHtmlWith(data)})).fail((function(){removeSpinner(activityElement,spinner)}))}(mainelement,cmid,sectionreturn)}}})})),{initCoursePage:function(courseformat){$("body").on("click keypress",SELECTOR.ACTIVITYLI+" "+SELECTOR.ACTIVITYACTION+"[data-action]",(function(e){if("keypress"!==e.type||13===e.keyCode){var 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"+selector);replaceActionItem(actionitem,image,stringname,stringcomponent,newaction)}}}));
+
+//# sourceMappingURL=actions.min.js.map
\ No newline at end of file
diff --git a/course/amd/build/actions.min.js.map b/course/amd/build/actions.min.js.map
index 3cbade0df4a..6e689a3c29d 100644
--- a/course/amd/build/actions.min.js.map
+++ b/course/amd/build/actions.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Various actions on modules and sections in the editing mode - hiding, duplicating, deleting, etc.\n *\n * @module     core_course/actions\n * @package    core\n * @copyright  2016 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.3\n */\ndefine(['jquery', 'core/ajax', 'core/templates', 'core/notification', 'core/str', 'core/url', 'core/yui',\n        'core/modal_factory', 'core/modal_events', 'core/key_codes', 'core/log'],\n    function($, ajax, templates, notification, str, url, Y, ModalFactory, ModalEvents, KeyCodes, log) {\n        var CSS = {\n            EDITINPROGRESS: 'editinprogress',\n            SECTIONDRAGGABLE: 'sectiondraggable',\n            EDITINGMOVE: 'editing_move'\n        };\n        var SELECTOR = {\n            ACTIVITYLI: 'li.activity',\n            ACTIONAREA: '.actions',\n            ACTIVITYACTION: 'a.cm-edit-action',\n            MENU: '.moodle-actionmenu[data-enhance=moodle-core-actionmenu]',\n            TOGGLE: '.toggle-display,.dropdown-toggle',\n            SECTIONLI: 'li.section',\n            SECTIONACTIONMENU: '.section_action_menu',\n            ADDSECTIONS: '#changenumsections [data-add-sections]'\n        };\n\n        Y.use('moodle-course-coursebase', function() {\n            var courseformatselector = M.course.format.get_section_selector();\n            if (courseformatselector) {\n                SELECTOR.SECTIONLI = courseformatselector;\n            }\n        });\n\n        /**\n         * Wrapper for Y.Moodle.core_course.util.cm.getId\n         *\n         * @param {JQuery} element\n         * @returns {Integer}\n         */\n        var getModuleId = function(element) {\n            var id;\n            Y.use('moodle-course-util', function(Y) {\n                id = Y.Moodle.core_course.util.cm.getId(Y.Node(element.get(0)));\n            });\n            return id;\n        };\n\n        /**\n         * Wrapper for Y.Moodle.core_course.util.cm.getName\n         *\n         * @param {JQuery} element\n         * @returns {String}\n         */\n        var getModuleName = function(element) {\n            var name;\n            Y.use('moodle-course-util', function(Y) {\n                name = Y.Moodle.core_course.util.cm.getName(Y.Node(element.get(0)));\n            });\n            return name;\n        };\n\n        /**\n         * Wrapper for M.util.add_spinner for an activity\n         *\n         * @param {JQuery} activity\n         * @returns {Node}\n         */\n        var addActivitySpinner = function(activity) {\n            activity.addClass(CSS.EDITINPROGRESS);\n            var actionarea = activity.find(SELECTOR.ACTIONAREA).get(0);\n            if (actionarea) {\n                var spinner = M.util.add_spinner(Y, Y.Node(actionarea));\n                spinner.show();\n                return spinner;\n            }\n            return null;\n        };\n\n        /**\n         * Wrapper for M.util.add_spinner for a section\n         *\n         * @param {JQuery} sectionelement\n         * @returns {Node}\n         */\n        var addSectionSpinner = function(sectionelement) {\n            sectionelement.addClass(CSS.EDITINPROGRESS);\n            var actionarea = sectionelement.find(SELECTOR.SECTIONACTIONMENU).get(0);\n            if (actionarea) {\n                var spinner = M.util.add_spinner(Y, Y.Node(actionarea));\n                spinner.show();\n                return spinner;\n            }\n            return null;\n        };\n\n        /**\n         * Wrapper for M.util.add_lightbox\n         *\n         * @param {JQuery} sectionelement\n         * @returns {Node}\n         */\n        var addSectionLightbox = function(sectionelement) {\n            var lightbox = M.util.add_lightbox(Y, Y.Node(sectionelement.get(0)));\n            lightbox.show();\n            return lightbox;\n        };\n\n        /**\n         * Removes the spinner element\n         *\n         * @param {JQuery} element\n         * @param {Node} spinner\n         * @param {Number} delay\n         */\n        var removeSpinner = function(element, spinner, delay) {\n            window.setTimeout(function() {\n                element.removeClass(CSS.EDITINPROGRESS);\n                if (spinner) {\n                    spinner.hide();\n                }\n            }, delay);\n        };\n\n        /**\n         * Removes the lightbox element\n         *\n         * @param {Node} lightbox lighbox YUI element returned by addSectionLightbox\n         * @param {Number} delay\n         */\n        var removeLightbox = function(lightbox, delay) {\n            if (lightbox) {\n                window.setTimeout(function() {\n                    lightbox.hide();\n                }, delay);\n            }\n        };\n\n        /**\n         * Initialise action menu for the element (section or module)\n         *\n         * @param {String} elementid CSS id attribute of the element\n         */\n        var initActionMenu = function(elementid) {\n            // Initialise action menu in the new activity.\n            Y.use('moodle-course-coursebase', function() {\n                M.course.coursebase.invoke_function('setup_for_resource', '#' + elementid);\n            });\n            if (M.core.actionmenu && M.core.actionmenu.newDOMNode) {\n                M.core.actionmenu.newDOMNode(Y.one('#' + elementid));\n            }\n        };\n\n        /**\n         * Returns focus to the element that was clicked or \"Edit\" link if element is no longer visible.\n         *\n         * @param {String} elementId CSS id attribute of the element\n         * @param {String} action data-action property of the element that was clicked\n         */\n        var focusActionItem = function(elementId, action) {\n            var mainelement = $('#' + elementId);\n            var selector = '[data-action=' + action + ']';\n            if (action === 'groupsseparate' || action === 'groupsvisible' || action === 'groupsnone') {\n                // New element will have different data-action.\n                selector = '[data-action=groupsseparate],[data-action=groupsvisible],[data-action=groupsnone]';\n            }\n            if (mainelement.find(selector).is(':visible')) {\n                mainelement.find(selector).focus();\n            } else {\n                // Element not visible, focus the \"Edit\" link.\n                mainelement.find(SELECTOR.MENU).find(SELECTOR.TOGGLE).focus();\n            }\n        };\n\n        /**\n         * Find next <a> after the element\n         *\n         * @param {JQuery} mainElement element that is about to be deleted\n         * @returns {JQuery}\n         */\n        var findNextFocusable = function(mainElement) {\n            var tabables = $(\"a:visible\");\n            var isInside = false;\n            var foundElement = null;\n            tabables.each(function() {\n                if ($.contains(mainElement[0], this)) {\n                    isInside = true;\n                } else if (isInside) {\n                    foundElement = this;\n                    return false; // Returning false in .each() is equivalent to \"break;\" inside the loop in php.\n                }\n            });\n            return foundElement;\n        };\n\n        /**\n         * Performs an action on a module (moving, deleting, duplicating, hiding, etc.)\n         *\n         * @param {JQuery} moduleElement activity element we perform action on\n         * @param {Number} cmid\n         * @param {JQuery} target the element (menu item) that was clicked\n         */\n        var editModule = function(moduleElement, cmid, target) {\n            var action = target.attr('data-action');\n            var spinner = addActivitySpinner(moduleElement);\n            var promises = ajax.call([{\n                methodname: 'core_course_edit_module',\n                args: {id: cmid,\n                    action: action,\n                    sectionreturn: target.attr('data-sectionreturn') ? target.attr('data-sectionreturn') : 0\n                }\n            }], true);\n\n            var lightbox;\n            if (action === 'duplicate') {\n                lightbox = addSectionLightbox(target.closest(SELECTOR.SECTIONLI));\n            }\n            $.when.apply($, promises)\n                .done(function(data) {\n                    var elementToFocus = findNextFocusable(moduleElement);\n                    moduleElement.replaceWith(data);\n                    // Initialise action menu for activity(ies) added as a result of this.\n                    $('<div>' + data + '</div>').find(SELECTOR.ACTIVITYLI).each(function(index) {\n                        initActionMenu($(this).attr('id'));\n                        if (index === 0) {\n                            focusActionItem($(this).attr('id'), action);\n                            elementToFocus = null;\n                        }\n                    });\n                    // In case of activity deletion focus the next focusable element.\n                    if (elementToFocus) {\n                        elementToFocus.focus();\n                    }\n                    // Remove spinner and lightbox with a delay.\n                    removeSpinner(moduleElement, spinner, 400);\n                    removeLightbox(lightbox, 400);\n                    // Trigger event that can be observed by course formats.\n                    moduleElement.trigger($.Event('coursemoduleedited', {ajaxreturn: data, action: action}));\n                }).fail(function(ex) {\n                    // Remove spinner and lightbox.\n                    removeSpinner(moduleElement, spinner);\n                    removeLightbox(lightbox);\n                    // Trigger event that can be observed by course formats.\n                    var e = $.Event('coursemoduleeditfailed', {exception: ex, action: action});\n                    moduleElement.trigger(e);\n                    if (!e.isDefaultPrevented()) {\n                        notification.exception(ex);\n                    }\n                });\n        };\n\n        /**\n         * Requests html for the module via WS core_course_get_module and updates the module on the course page\n         *\n         * Used after d&d of the module to another section\n         *\n         * @param {JQuery} activityElement\n         * @param {Number} cmid\n         * @param {Number} sectionreturn\n         */\n        var refreshModule = function(activityElement, cmid, sectionreturn) {\n            var spinner = addActivitySpinner(activityElement);\n            var promises = ajax.call([{\n                methodname: 'core_course_get_module',\n                args: {id: cmid, sectionreturn: sectionreturn}\n            }], true);\n\n            $.when.apply($, promises)\n                .done(function(data) {\n                    removeSpinner(activityElement, spinner, 400);\n                    replaceActivityHtmlWith(data);\n                }).fail(function() {\n                    removeSpinner(activityElement, spinner);\n                });\n        };\n\n        /**\n         * Displays the delete confirmation to delete a module\n         *\n         * @param {JQuery} mainelement activity element we perform action on\n         * @param {function} onconfirm function to execute on confirm\n         */\n        var confirmDeleteModule = function(mainelement, onconfirm) {\n            var modtypename = mainelement.attr('class').match(/modtype_([^\\s]*)/)[1];\n            var modulename = getModuleName(mainelement);\n\n            str.get_string('pluginname', modtypename).done(function(pluginname) {\n                var plugindata = {\n                    type: pluginname,\n                    name: modulename\n                };\n                str.get_strings([\n                    {key: 'confirm'},\n                    {key: modulename === null ? 'deletechecktype' : 'deletechecktypename', param: plugindata},\n                    {key: 'yes'},\n                    {key: 'no'}\n                ]).done(function(s) {\n                        notification.confirm(s[0], s[1], s[2], s[3], onconfirm);\n                    }\n                );\n            });\n        };\n\n        /**\n         * Displays the delete confirmation to delete a section\n         *\n         * @param {String} message confirmation message\n         * @param {function} onconfirm function to execute on confirm\n         */\n        var confirmEditSection = function(message, onconfirm) {\n            str.get_strings([\n                {key: 'confirm'}, // TODO link text\n                {key: 'yes'},\n                {key: 'no'}\n            ]).done(function(s) {\n                    notification.confirm(s[0], message, s[1], s[2], onconfirm);\n                }\n            );\n        };\n\n        /**\n         * Replaces an action menu item with another one (for example Show->Hide, Set marker->Remove marker)\n         *\n         * @param {JQuery} actionitem\n         * @param {String} image new image name (\"i/show\", \"i/hide\", etc.)\n         * @param {String} stringname new string for the action menu item\n         * @param {String} stringcomponent\n         * @param {String} newaction new value for data-action attribute of the link\n         * @return {Promise} promise which is resolved when the replacement has completed\n         */\n        var replaceActionItem = function(actionitem, image, stringname,\n                                           stringcomponent, newaction) {\n\n            var stringRequests = [{key: stringname, component: stringcomponent}];\n            // Do not provide an icon with duplicate, different text to the menu item.\n\n            return str.get_strings(stringRequests).then(function(strings) {\n                actionitem.find('span.menu-action-text').html(strings[0]);\n\n                return templates.renderPix(image, 'core');\n            }).then(function(pixhtml) {\n                actionitem.find('.icon').replaceWith(pixhtml);\n                actionitem.attr('data-action', newaction);\n                return;\n            }).catch(notification.exception);\n        };\n\n        /**\n         * Default post-processing for section AJAX edit actions.\n         *\n         * This can be overridden in course formats by listening to event coursesectionedited:\n         *\n         * $('body').on('coursesectionedited', 'li.section', function(e) {\n         *     var action = e.action,\n         *         sectionElement = $(e.target),\n         *         data = e.ajaxreturn;\n         *     // ... Do some processing here.\n         *     e.preventDefault(); // Prevent default handler.\n         * });\n         *\n         * @param {JQuery} sectionElement\n         * @param {JQuery} actionItem\n         * @param {Object} data\n         * @param {String} courseformat\n         */\n        var defaultEditSectionHandler = function(sectionElement, actionItem, data, courseformat) {\n            var action = actionItem.attr('data-action');\n            if (action === 'hide' || action === 'show') {\n                if (action === 'hide') {\n                    sectionElement.addClass('hidden');\n                    replaceActionItem(actionItem, 'i/show',\n                        'showfromothers', 'format_' + courseformat, 'show');\n                } else {\n                    sectionElement.removeClass('hidden');\n                    replaceActionItem(actionItem, 'i/hide',\n                        'hidefromothers', 'format_' + courseformat, 'hide');\n                }\n                // Replace the modules with new html (that indicates that they are now hidden or not hidden).\n                if (data.modules !== undefined) {\n                    for (var i in data.modules) {\n                        replaceActivityHtmlWith(data.modules[i]);\n                    }\n                }\n                // Replace the section availability information.\n                if (data.section_availability !== undefined) {\n                    sectionElement.find('.section_availability').first().replaceWith(data.section_availability);\n                }\n            } else if (action === 'setmarker') {\n                var oldmarker = $(SELECTOR.SECTIONLI + '.current'),\n                    oldActionItem = oldmarker.find(SELECTOR.SECTIONACTIONMENU + ' ' + 'a[data-action=removemarker]');\n                oldmarker.removeClass('current');\n                replaceActionItem(oldActionItem, 'i/marker',\n                    'highlight', 'core', 'setmarker');\n                sectionElement.addClass('current');\n                replaceActionItem(actionItem, 'i/marked',\n                    'highlightoff', 'core', 'removemarker');\n            } else if (action === 'removemarker') {\n                sectionElement.removeClass('current');\n                replaceActionItem(actionItem, 'i/marker',\n                    'highlight', 'core', 'setmarker');\n            }\n        };\n\n        /**\n         * Replaces the course module with the new html (used to update module after it was edited or its visibility was changed).\n         *\n         * @param {String} activityHTML\n         */\n        var replaceActivityHtmlWith = function(activityHTML) {\n            $('<div>' + activityHTML + '</div>').find(SELECTOR.ACTIVITYLI).each(function() {\n                // Extract id from the new activity html.\n                var id = $(this).attr('id');\n                // Find the existing element with the same id and replace its contents with new html.\n                $(SELECTOR.ACTIVITYLI + '#' + id).replaceWith(activityHTML);\n                // Initialise action menu.\n                initActionMenu(id);\n            });\n        };\n\n        /**\n         * Performs an action on a module (moving, deleting, duplicating, hiding, etc.)\n         *\n         * @param {JQuery} sectionElement section element we perform action on\n         * @param {Nunmber} sectionid\n         * @param {JQuery} target the element (menu item) that was clicked\n         * @param {String} courseformat\n         */\n        var editSection = function(sectionElement, sectionid, target, courseformat) {\n            var action = target.attr('data-action'),\n                sectionreturn = target.attr('data-sectionreturn') ? target.attr('data-sectionreturn') : 0;\n            var spinner = addSectionSpinner(sectionElement);\n            var promises = ajax.call([{\n                methodname: 'core_course_edit_section',\n                args: {id: sectionid, action: action, sectionreturn: sectionreturn}\n            }], true);\n\n            var lightbox = addSectionLightbox(sectionElement);\n            $.when.apply($, promises)\n                .done(function(dataencoded) {\n                    var data = $.parseJSON(dataencoded);\n                    removeSpinner(sectionElement, spinner);\n                    removeLightbox(lightbox);\n                    sectionElement.find(SELECTOR.SECTIONACTIONMENU).find(SELECTOR.TOGGLE).focus();\n                    // Trigger event that can be observed by course formats.\n                    var e = $.Event('coursesectionedited', {ajaxreturn: data, action: action});\n                    sectionElement.trigger(e);\n                    if (!e.isDefaultPrevented()) {\n                        defaultEditSectionHandler(sectionElement, target, data, courseformat);\n                    }\n                }).fail(function(ex) {\n                    // Remove spinner and lightbox.\n                    removeSpinner(sectionElement, spinner);\n                    removeLightbox(lightbox);\n                    // Trigger event that can be observed by course formats.\n                    var e = $.Event('coursesectioneditfailed', {exception: ex, action: action});\n                    sectionElement.trigger(e);\n                    if (!e.isDefaultPrevented()) {\n                        notification.exception(ex);\n                    }\n                });\n        };\n\n        // Register a function to be executed after D&D of an activity.\n        Y.use('moodle-course-coursebase', function() {\n            M.course.coursebase.register_module({\n                // Ignore camelcase eslint rule for the next line because it is an expected name of the callback.\n                // eslint-disable-next-line camelcase\n                set_visibility_resource_ui: function(args) {\n                    var mainelement = $(args.element.getDOMNode());\n                    var cmid = getModuleId(mainelement);\n                    if (cmid) {\n                        var sectionreturn = mainelement.find('.' + CSS.EDITINGMOVE).attr('data-sectionreturn');\n                        refreshModule(mainelement, cmid, sectionreturn);\n                    }\n                }\n            });\n        });\n\n        return /** @alias module:core_course/actions */ {\n\n            /**\n             * Initialises course page\n             *\n             * @method init\n             * @param {String} courseformat name of the current course format (for fetching strings)\n             */\n            initCoursePage: function(courseformat) {\n\n                // Add a handler for course module actions.\n                $('body').on('click keypress', SELECTOR.ACTIVITYLI + ' ' +\n                        SELECTOR.ACTIVITYACTION + '[data-action]', function(e) {\n                    if (e.type === 'keypress' && e.keyCode !== 13) {\n                        return;\n                    }\n                    var actionItem = $(this),\n                        moduleElement = actionItem.closest(SELECTOR.ACTIVITYLI),\n                        action = actionItem.attr('data-action'),\n                        moduleId = getModuleId(moduleElement);\n                    switch (action) {\n                        case 'moveleft':\n                        case 'moveright':\n                        case 'delete':\n                        case 'duplicate':\n                        case 'hide':\n                        case 'stealth':\n                        case 'show':\n                        case 'groupsseparate':\n                        case 'groupsvisible':\n                        case 'groupsnone':\n                            break;\n                        default:\n                            // Nothing to do here!\n                            return;\n                    }\n                    if (!moduleId) {\n                        return;\n                    }\n                    e.preventDefault();\n                    if (action === 'delete') {\n                        // Deleting requires confirmation.\n                        confirmDeleteModule(moduleElement, function() {\n                            editModule(moduleElement, moduleId, actionItem);\n                        });\n                    } else {\n                        editModule(moduleElement, moduleId, actionItem);\n                    }\n                });\n\n                // Add a handler for section show/hide actions.\n                $('body').on('click keypress', SELECTOR.SECTIONLI + ' ' +\n                            SELECTOR.SECTIONACTIONMENU + '[data-sectionid] ' +\n                            'a[data-action]', function(e) {\n                    if (e.type === 'keypress' && e.keyCode !== 13) {\n                        return;\n                    }\n                    var actionItem = $(this),\n                        sectionElement = actionItem.closest(SELECTOR.SECTIONLI),\n                        sectionId = actionItem.closest(SELECTOR.SECTIONACTIONMENU).attr('data-sectionid');\n                    e.preventDefault();\n                    if (actionItem.attr('data-confirm')) {\n                        // Action requires confirmation.\n                        confirmEditSection(actionItem.attr('data-confirm'), function() {\n                            editSection(sectionElement, sectionId, actionItem, courseformat);\n                        });\n                    } else {\n                        editSection(sectionElement, sectionId, actionItem, courseformat);\n                    }\n                });\n\n                // Add a handler for \"Add sections\" link to ask for a number of sections to add.\n                str.get_string('numberweeks').done(function(strNumberSections) {\n                    var trigger = $(SELECTOR.ADDSECTIONS),\n                        modalTitle = trigger.attr('data-add-sections'),\n                        newSections = trigger.attr('data-new-sections');\n                    var modalBody = $('<div><label for=\"add_section_numsections\"></label> ' +\n                        '<input id=\"add_section_numsections\" type=\"number\" min=\"1\" max=\"' + newSections + '\" value=\"1\"></div>');\n                    modalBody.find('label').html(strNumberSections);\n                    ModalFactory.create({\n                        title: modalTitle,\n                        type: ModalFactory.types.SAVE_CANCEL,\n                        body: modalBody.html()\n                    }, trigger)\n                    .done(function(modal) {\n                        var numSections = $(modal.getBody()).find('#add_section_numsections'),\n                        addSections = function() {\n                            // Check if value of the \"Number of sections\" is a valid positive integer and redirect\n                            // to adding a section script.\n                            if ('' + parseInt(numSections.val()) === numSections.val() && parseInt(numSections.val()) >= 1) {\n                                document.location = trigger.attr('href') + '&numsections=' + parseInt(numSections.val());\n                            }\n                        };\n                        modal.setSaveButtonText(modalTitle);\n                        modal.getRoot().on(ModalEvents.shown, function() {\n                            // When modal is shown focus and select the input and add a listener to keypress of \"Enter\".\n                            numSections.focus().select().on('keydown', function(e) {\n                                if (e.keyCode === KeyCodes.enter) {\n                                    addSections();\n                                }\n                            });\n                        });\n                        modal.getRoot().on(ModalEvents.save, function(e) {\n                            // When modal \"Add\" button is pressed.\n                            e.preventDefault();\n                            addSections();\n                        });\n                    });\n                });\n            },\n\n            /**\n             * Replaces a section action menu item with another one (for example Show->Hide, Set marker->Remove marker)\n             *\n             * This method can be used by course formats in their listener to the coursesectionedited event\n             *\n             * @deprecated since Moodle 3.9\n             * @param {JQuery} sectionelement\n             * @param {String} selector CSS selector inside the section element, for example \"a[data-action=show]\"\n             * @param {String} image new image name (\"i/show\", \"i/hide\", etc.)\n             * @param {String} stringname new string for the action menu item\n             * @param {String} stringcomponent\n             * @param {String} newaction new value for data-action attribute of the link\n             */\n            replaceSectionActionItem: function(sectionelement, selector, image, stringname,\n                                                    stringcomponent, newaction) {\n                log.debug('replaceSectionActionItem() is deprecated and will be removed.');\n                var actionitem = sectionelement.find(SELECTOR.SECTIONACTIONMENU + ' ' + selector);\n                replaceActionItem(actionitem, image, stringname, stringcomponent, newaction);\n            }\n        };\n    });\n"],"file":"actions.min.js"}
\ No newline at end of file
+{"version":3,"file":"actions.min.js","sources":["../src/actions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Various actions on modules and sections in the editing mode - hiding, duplicating, deleting, etc.\n *\n * @module     core_course/actions\n * @package    core\n * @copyright  2016 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.3\n */\ndefine(['jquery', 'core/ajax', 'core/templates', 'core/notification', 'core/str', 'core/url', 'core/yui',\n        'core/modal_factory', 'core/modal_events', 'core/key_codes', 'core/log'],\n    function($, ajax, templates, notification, str, url, Y, ModalFactory, ModalEvents, KeyCodes, log) {\n        var CSS = {\n            EDITINPROGRESS: 'editinprogress',\n            SECTIONDRAGGABLE: 'sectiondraggable',\n            EDITINGMOVE: 'editing_move'\n        };\n        var SELECTOR = {\n            ACTIVITYLI: 'li.activity',\n            ACTIONAREA: '.actions',\n            ACTIVITYACTION: 'a.cm-edit-action',\n            MENU: '.moodle-actionmenu[data-enhance=moodle-core-actionmenu]',\n            TOGGLE: '.toggle-display,.dropdown-toggle',\n            SECTIONLI: 'li.section',\n            SECTIONACTIONMENU: '.section_action_menu',\n            ADDSECTIONS: '#changenumsections [data-add-sections]'\n        };\n\n        Y.use('moodle-course-coursebase', function() {\n            var courseformatselector = M.course.format.get_section_selector();\n            if (courseformatselector) {\n                SELECTOR.SECTIONLI = courseformatselector;\n            }\n        });\n\n        /**\n         * Wrapper for Y.Moodle.core_course.util.cm.getId\n         *\n         * @param {JQuery} element\n         * @returns {Integer}\n         */\n        var getModuleId = function(element) {\n            var id;\n            Y.use('moodle-course-util', function(Y) {\n                id = Y.Moodle.core_course.util.cm.getId(Y.Node(element.get(0)));\n            });\n            return id;\n        };\n\n        /**\n         * Wrapper for Y.Moodle.core_course.util.cm.getName\n         *\n         * @param {JQuery} element\n         * @returns {String}\n         */\n        var getModuleName = function(element) {\n            var name;\n            Y.use('moodle-course-util', function(Y) {\n                name = Y.Moodle.core_course.util.cm.getName(Y.Node(element.get(0)));\n            });\n            return name;\n        };\n\n        /**\n         * Wrapper for M.util.add_spinner for an activity\n         *\n         * @param {JQuery} activity\n         * @returns {Node}\n         */\n        var addActivitySpinner = function(activity) {\n            activity.addClass(CSS.EDITINPROGRESS);\n            var actionarea = activity.find(SELECTOR.ACTIONAREA).get(0);\n            if (actionarea) {\n                var spinner = M.util.add_spinner(Y, Y.Node(actionarea));\n                spinner.show();\n                return spinner;\n            }\n            return null;\n        };\n\n        /**\n         * Wrapper for M.util.add_spinner for a section\n         *\n         * @param {JQuery} sectionelement\n         * @returns {Node}\n         */\n        var addSectionSpinner = function(sectionelement) {\n            sectionelement.addClass(CSS.EDITINPROGRESS);\n            var actionarea = sectionelement.find(SELECTOR.SECTIONACTIONMENU).get(0);\n            if (actionarea) {\n                var spinner = M.util.add_spinner(Y, Y.Node(actionarea));\n                spinner.show();\n                return spinner;\n            }\n            return null;\n        };\n\n        /**\n         * Wrapper for M.util.add_lightbox\n         *\n         * @param {JQuery} sectionelement\n         * @returns {Node}\n         */\n        var addSectionLightbox = function(sectionelement) {\n            var lightbox = M.util.add_lightbox(Y, Y.Node(sectionelement.get(0)));\n            lightbox.show();\n            return lightbox;\n        };\n\n        /**\n         * Removes the spinner element\n         *\n         * @param {JQuery} element\n         * @param {Node} spinner\n         * @param {Number} delay\n         */\n        var removeSpinner = function(element, spinner, delay) {\n            window.setTimeout(function() {\n                element.removeClass(CSS.EDITINPROGRESS);\n                if (spinner) {\n                    spinner.hide();\n                }\n            }, delay);\n        };\n\n        /**\n         * Removes the lightbox element\n         *\n         * @param {Node} lightbox lighbox YUI element returned by addSectionLightbox\n         * @param {Number} delay\n         */\n        var removeLightbox = function(lightbox, delay) {\n            if (lightbox) {\n                window.setTimeout(function() {\n                    lightbox.hide();\n                }, delay);\n            }\n        };\n\n        /**\n         * Initialise action menu for the element (section or module)\n         *\n         * @param {String} elementid CSS id attribute of the element\n         */\n        var initActionMenu = function(elementid) {\n            // Initialise action menu in the new activity.\n            Y.use('moodle-course-coursebase', function() {\n                M.course.coursebase.invoke_function('setup_for_resource', '#' + elementid);\n            });\n            if (M.core.actionmenu && M.core.actionmenu.newDOMNode) {\n                M.core.actionmenu.newDOMNode(Y.one('#' + elementid));\n            }\n        };\n\n        /**\n         * Returns focus to the element that was clicked or \"Edit\" link if element is no longer visible.\n         *\n         * @param {String} elementId CSS id attribute of the element\n         * @param {String} action data-action property of the element that was clicked\n         */\n        var focusActionItem = function(elementId, action) {\n            var mainelement = $('#' + elementId);\n            var selector = '[data-action=' + action + ']';\n            if (action === 'groupsseparate' || action === 'groupsvisible' || action === 'groupsnone') {\n                // New element will have different data-action.\n                selector = '[data-action=groupsseparate],[data-action=groupsvisible],[data-action=groupsnone]';\n            }\n            if (mainelement.find(selector).is(':visible')) {\n                mainelement.find(selector).focus();\n            } else {\n                // Element not visible, focus the \"Edit\" link.\n                mainelement.find(SELECTOR.MENU).find(SELECTOR.TOGGLE).focus();\n            }\n        };\n\n        /**\n         * Find next <a> after the element\n         *\n         * @param {JQuery} mainElement element that is about to be deleted\n         * @returns {JQuery}\n         */\n        var findNextFocusable = function(mainElement) {\n            var tabables = $(\"a:visible\");\n            var isInside = false;\n            var foundElement = null;\n            tabables.each(function() {\n                if ($.contains(mainElement[0], this)) {\n                    isInside = true;\n                } else if (isInside) {\n                    foundElement = this;\n                    return false; // Returning false in .each() is equivalent to \"break;\" inside the loop in php.\n                }\n            });\n            return foundElement;\n        };\n\n        /**\n         * Performs an action on a module (moving, deleting, duplicating, hiding, etc.)\n         *\n         * @param {JQuery} moduleElement activity element we perform action on\n         * @param {Number} cmid\n         * @param {JQuery} target the element (menu item) that was clicked\n         */\n        var editModule = function(moduleElement, cmid, target) {\n            var action = target.attr('data-action');\n            var spinner = addActivitySpinner(moduleElement);\n            var promises = ajax.call([{\n                methodname: 'core_course_edit_module',\n                args: {id: cmid,\n                    action: action,\n                    sectionreturn: target.attr('data-sectionreturn') ? target.attr('data-sectionreturn') : 0\n                }\n            }], true);\n\n            var lightbox;\n            if (action === 'duplicate') {\n                lightbox = addSectionLightbox(target.closest(SELECTOR.SECTIONLI));\n            }\n            $.when.apply($, promises)\n                .done(function(data) {\n                    var elementToFocus = findNextFocusable(moduleElement);\n                    moduleElement.replaceWith(data);\n                    // Initialise action menu for activity(ies) added as a result of this.\n                    $('<div>' + data + '</div>').find(SELECTOR.ACTIVITYLI).each(function(index) {\n                        initActionMenu($(this).attr('id'));\n                        if (index === 0) {\n                            focusActionItem($(this).attr('id'), action);\n                            elementToFocus = null;\n                        }\n                    });\n                    // In case of activity deletion focus the next focusable element.\n                    if (elementToFocus) {\n                        elementToFocus.focus();\n                    }\n                    // Remove spinner and lightbox with a delay.\n                    removeSpinner(moduleElement, spinner, 400);\n                    removeLightbox(lightbox, 400);\n                    // Trigger event that can be observed by course formats.\n                    moduleElement.trigger($.Event('coursemoduleedited', {ajaxreturn: data, action: action}));\n                }).fail(function(ex) {\n                    // Remove spinner and lightbox.\n                    removeSpinner(moduleElement, spinner);\n                    removeLightbox(lightbox);\n                    // Trigger event that can be observed by course formats.\n                    var e = $.Event('coursemoduleeditfailed', {exception: ex, action: action});\n                    moduleElement.trigger(e);\n                    if (!e.isDefaultPrevented()) {\n                        notification.exception(ex);\n                    }\n                });\n        };\n\n        /**\n         * Requests html for the module via WS core_course_get_module and updates the module on the course page\n         *\n         * Used after d&d of the module to another section\n         *\n         * @param {JQuery} activityElement\n         * @param {Number} cmid\n         * @param {Number} sectionreturn\n         */\n        var refreshModule = function(activityElement, cmid, sectionreturn) {\n            var spinner = addActivitySpinner(activityElement);\n            var promises = ajax.call([{\n                methodname: 'core_course_get_module',\n                args: {id: cmid, sectionreturn: sectionreturn}\n            }], true);\n\n            $.when.apply($, promises)\n                .done(function(data) {\n                    removeSpinner(activityElement, spinner, 400);\n                    replaceActivityHtmlWith(data);\n                }).fail(function() {\n                    removeSpinner(activityElement, spinner);\n                });\n        };\n\n        /**\n         * Displays the delete confirmation to delete a module\n         *\n         * @param {JQuery} mainelement activity element we perform action on\n         * @param {function} onconfirm function to execute on confirm\n         */\n        var confirmDeleteModule = function(mainelement, onconfirm) {\n            var modtypename = mainelement.attr('class').match(/modtype_([^\\s]*)/)[1];\n            var modulename = getModuleName(mainelement);\n\n            str.get_string('pluginname', modtypename).done(function(pluginname) {\n                var plugindata = {\n                    type: pluginname,\n                    name: modulename\n                };\n                str.get_strings([\n                    {key: 'confirm'},\n                    {key: modulename === null ? 'deletechecktype' : 'deletechecktypename', param: plugindata},\n                    {key: 'yes'},\n                    {key: 'no'}\n                ]).done(function(s) {\n                        notification.confirm(s[0], s[1], s[2], s[3], onconfirm);\n                    }\n                );\n            });\n        };\n\n        /**\n         * Displays the delete confirmation to delete a section\n         *\n         * @param {String} message confirmation message\n         * @param {function} onconfirm function to execute on confirm\n         */\n        var confirmEditSection = function(message, onconfirm) {\n            str.get_strings([\n                {key: 'confirm'}, // TODO link text\n                {key: 'yes'},\n                {key: 'no'}\n            ]).done(function(s) {\n                    notification.confirm(s[0], message, s[1], s[2], onconfirm);\n                }\n            );\n        };\n\n        /**\n         * Replaces an action menu item with another one (for example Show->Hide, Set marker->Remove marker)\n         *\n         * @param {JQuery} actionitem\n         * @param {String} image new image name (\"i/show\", \"i/hide\", etc.)\n         * @param {String} stringname new string for the action menu item\n         * @param {String} stringcomponent\n         * @param {String} newaction new value for data-action attribute of the link\n         * @return {Promise} promise which is resolved when the replacement has completed\n         */\n        var replaceActionItem = function(actionitem, image, stringname,\n                                           stringcomponent, newaction) {\n\n            var stringRequests = [{key: stringname, component: stringcomponent}];\n            // Do not provide an icon with duplicate, different text to the menu item.\n\n            return str.get_strings(stringRequests).then(function(strings) {\n                actionitem.find('span.menu-action-text').html(strings[0]);\n\n                return templates.renderPix(image, 'core');\n            }).then(function(pixhtml) {\n                actionitem.find('.icon').replaceWith(pixhtml);\n                actionitem.attr('data-action', newaction);\n                return;\n            }).catch(notification.exception);\n        };\n\n        /**\n         * Default post-processing for section AJAX edit actions.\n         *\n         * This can be overridden in course formats by listening to event coursesectionedited:\n         *\n         * $('body').on('coursesectionedited', 'li.section', function(e) {\n         *     var action = e.action,\n         *         sectionElement = $(e.target),\n         *         data = e.ajaxreturn;\n         *     // ... Do some processing here.\n         *     e.preventDefault(); // Prevent default handler.\n         * });\n         *\n         * @param {JQuery} sectionElement\n         * @param {JQuery} actionItem\n         * @param {Object} data\n         * @param {String} courseformat\n         */\n        var defaultEditSectionHandler = function(sectionElement, actionItem, data, courseformat) {\n            var action = actionItem.attr('data-action');\n            if (action === 'hide' || action === 'show') {\n                if (action === 'hide') {\n                    sectionElement.addClass('hidden');\n                    replaceActionItem(actionItem, 'i/show',\n                        'showfromothers', 'format_' + courseformat, 'show');\n                } else {\n                    sectionElement.removeClass('hidden');\n                    replaceActionItem(actionItem, 'i/hide',\n                        'hidefromothers', 'format_' + courseformat, 'hide');\n                }\n                // Replace the modules with new html (that indicates that they are now hidden or not hidden).\n                if (data.modules !== undefined) {\n                    for (var i in data.modules) {\n                        replaceActivityHtmlWith(data.modules[i]);\n                    }\n                }\n                // Replace the section availability information.\n                if (data.section_availability !== undefined) {\n                    sectionElement.find('.section_availability').first().replaceWith(data.section_availability);\n                }\n            } else if (action === 'setmarker') {\n                var oldmarker = $(SELECTOR.SECTIONLI + '.current'),\n                    oldActionItem = oldmarker.find(SELECTOR.SECTIONACTIONMENU + ' ' + 'a[data-action=removemarker]');\n                oldmarker.removeClass('current');\n                replaceActionItem(oldActionItem, 'i/marker',\n                    'highlight', 'core', 'setmarker');\n                sectionElement.addClass('current');\n                replaceActionItem(actionItem, 'i/marked',\n                    'highlightoff', 'core', 'removemarker');\n            } else if (action === 'removemarker') {\n                sectionElement.removeClass('current');\n                replaceActionItem(actionItem, 'i/marker',\n                    'highlight', 'core', 'setmarker');\n            }\n        };\n\n        /**\n         * Replaces the course module with the new html (used to update module after it was edited or its visibility was changed).\n         *\n         * @param {String} activityHTML\n         */\n        var replaceActivityHtmlWith = function(activityHTML) {\n            $('<div>' + activityHTML + '</div>').find(SELECTOR.ACTIVITYLI).each(function() {\n                // Extract id from the new activity html.\n                var id = $(this).attr('id');\n                // Find the existing element with the same id and replace its contents with new html.\n                $(SELECTOR.ACTIVITYLI + '#' + id).replaceWith(activityHTML);\n                // Initialise action menu.\n                initActionMenu(id);\n            });\n        };\n\n        /**\n         * Performs an action on a module (moving, deleting, duplicating, hiding, etc.)\n         *\n         * @param {JQuery} sectionElement section element we perform action on\n         * @param {Nunmber} sectionid\n         * @param {JQuery} target the element (menu item) that was clicked\n         * @param {String} courseformat\n         */\n        var editSection = function(sectionElement, sectionid, target, courseformat) {\n            var action = target.attr('data-action'),\n                sectionreturn = target.attr('data-sectionreturn') ? target.attr('data-sectionreturn') : 0;\n            var spinner = addSectionSpinner(sectionElement);\n            var promises = ajax.call([{\n                methodname: 'core_course_edit_section',\n                args: {id: sectionid, action: action, sectionreturn: sectionreturn}\n            }], true);\n\n            var lightbox = addSectionLightbox(sectionElement);\n            $.when.apply($, promises)\n                .done(function(dataencoded) {\n                    var data = $.parseJSON(dataencoded);\n                    removeSpinner(sectionElement, spinner);\n                    removeLightbox(lightbox);\n                    sectionElement.find(SELECTOR.SECTIONACTIONMENU).find(SELECTOR.TOGGLE).focus();\n                    // Trigger event that can be observed by course formats.\n                    var e = $.Event('coursesectionedited', {ajaxreturn: data, action: action});\n                    sectionElement.trigger(e);\n                    if (!e.isDefaultPrevented()) {\n                        defaultEditSectionHandler(sectionElement, target, data, courseformat);\n                    }\n                }).fail(function(ex) {\n                    // Remove spinner and lightbox.\n                    removeSpinner(sectionElement, spinner);\n                    removeLightbox(lightbox);\n                    // Trigger event that can be observed by course formats.\n                    var e = $.Event('coursesectioneditfailed', {exception: ex, action: action});\n                    sectionElement.trigger(e);\n                    if (!e.isDefaultPrevented()) {\n                        notification.exception(ex);\n                    }\n                });\n        };\n\n        // Register a function to be executed after D&D of an activity.\n        Y.use('moodle-course-coursebase', function() {\n            M.course.coursebase.register_module({\n                // Ignore camelcase eslint rule for the next line because it is an expected name of the callback.\n                // eslint-disable-next-line camelcase\n                set_visibility_resource_ui: function(args) {\n                    var mainelement = $(args.element.getDOMNode());\n                    var cmid = getModuleId(mainelement);\n                    if (cmid) {\n                        var sectionreturn = mainelement.find('.' + CSS.EDITINGMOVE).attr('data-sectionreturn');\n                        refreshModule(mainelement, cmid, sectionreturn);\n                    }\n                }\n            });\n        });\n\n        return /** @alias module:core_course/actions */ {\n\n            /**\n             * Initialises course page\n             *\n             * @method init\n             * @param {String} courseformat name of the current course format (for fetching strings)\n             */\n            initCoursePage: function(courseformat) {\n\n                // Add a handler for course module actions.\n                $('body').on('click keypress', SELECTOR.ACTIVITYLI + ' ' +\n                        SELECTOR.ACTIVITYACTION + '[data-action]', function(e) {\n                    if (e.type === 'keypress' && e.keyCode !== 13) {\n                        return;\n                    }\n                    var actionItem = $(this),\n                        moduleElement = actionItem.closest(SELECTOR.ACTIVITYLI),\n                        action = actionItem.attr('data-action'),\n                        moduleId = getModuleId(moduleElement);\n                    switch (action) {\n                        case 'moveleft':\n                        case 'moveright':\n                        case 'delete':\n                        case 'duplicate':\n                        case 'hide':\n                        case 'stealth':\n                        case 'show':\n                        case 'groupsseparate':\n                        case 'groupsvisible':\n                        case 'groupsnone':\n                            break;\n                        default:\n                            // Nothing to do here!\n                            return;\n                    }\n                    if (!moduleId) {\n                        return;\n                    }\n                    e.preventDefault();\n                    if (action === 'delete') {\n                        // Deleting requires confirmation.\n                        confirmDeleteModule(moduleElement, function() {\n                            editModule(moduleElement, moduleId, actionItem);\n                        });\n                    } else {\n                        editModule(moduleElement, moduleId, actionItem);\n                    }\n                });\n\n                // Add a handler for section show/hide actions.\n                $('body').on('click keypress', SELECTOR.SECTIONLI + ' ' +\n                            SELECTOR.SECTIONACTIONMENU + '[data-sectionid] ' +\n                            'a[data-action]', function(e) {\n                    if (e.type === 'keypress' && e.keyCode !== 13) {\n                        return;\n                    }\n                    var actionItem = $(this),\n                        sectionElement = actionItem.closest(SELECTOR.SECTIONLI),\n                        sectionId = actionItem.closest(SELECTOR.SECTIONACTIONMENU).attr('data-sectionid');\n                    e.preventDefault();\n                    if (actionItem.attr('data-confirm')) {\n                        // Action requires confirmation.\n                        confirmEditSection(actionItem.attr('data-confirm'), function() {\n                            editSection(sectionElement, sectionId, actionItem, courseformat);\n                        });\n                    } else {\n                        editSection(sectionElement, sectionId, actionItem, courseformat);\n                    }\n                });\n\n                // Add a handler for \"Add sections\" link to ask for a number of sections to add.\n                str.get_string('numberweeks').done(function(strNumberSections) {\n                    var trigger = $(SELECTOR.ADDSECTIONS),\n                        modalTitle = trigger.attr('data-add-sections'),\n                        newSections = trigger.attr('data-new-sections');\n                    var modalBody = $('<div><label for=\"add_section_numsections\"></label> ' +\n                        '<input id=\"add_section_numsections\" type=\"number\" min=\"1\" max=\"' + newSections + '\" value=\"1\"></div>');\n                    modalBody.find('label').html(strNumberSections);\n                    ModalFactory.create({\n                        title: modalTitle,\n                        type: ModalFactory.types.SAVE_CANCEL,\n                        body: modalBody.html()\n                    }, trigger)\n                    .done(function(modal) {\n                        var numSections = $(modal.getBody()).find('#add_section_numsections'),\n                        addSections = function() {\n                            // Check if value of the \"Number of sections\" is a valid positive integer and redirect\n                            // to adding a section script.\n                            if ('' + parseInt(numSections.val()) === numSections.val() && parseInt(numSections.val()) >= 1) {\n                                document.location = trigger.attr('href') + '&numsections=' + parseInt(numSections.val());\n                            }\n                        };\n                        modal.setSaveButtonText(modalTitle);\n                        modal.getRoot().on(ModalEvents.shown, function() {\n                            // When modal is shown focus and select the input and add a listener to keypress of \"Enter\".\n                            numSections.focus().select().on('keydown', function(e) {\n                                if (e.keyCode === KeyCodes.enter) {\n                                    addSections();\n                                }\n                            });\n                        });\n                        modal.getRoot().on(ModalEvents.save, function(e) {\n                            // When modal \"Add\" button is pressed.\n                            e.preventDefault();\n                            addSections();\n                        });\n                    });\n                });\n            },\n\n            /**\n             * Replaces a section action menu item with another one (for example Show->Hide, Set marker->Remove marker)\n             *\n             * This method can be used by course formats in their listener to the coursesectionedited event\n             *\n             * @deprecated since Moodle 3.9\n             * @param {JQuery} sectionelement\n             * @param {String} selector CSS selector inside the section element, for example \"a[data-action=show]\"\n             * @param {String} image new image name (\"i/show\", \"i/hide\", etc.)\n             * @param {String} stringname new string for the action menu item\n             * @param {String} stringcomponent\n             * @param {String} newaction new value for data-action 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diff --git a/course/amd/build/activitychooser.min.js b/course/amd/build/activitychooser.min.js
index 0615c85823a..670091349d2 100644
--- a/course/amd/build/activitychooser.min.js
+++ b/course/amd/build/activitychooser.min.js
@@ -1,2 +1,3 @@
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diff --git a/course/amd/build/activitychooser.min.js.map b/course/amd/build/activitychooser.min.js.map
index 8e8da1e69e9..4903d82ceaa 100644
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A type of dialogue used as for choosing modules in a course.\n *\n * @module     core_course/activitychooser\n * @package    core_course\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as ChooserDialogue from 'core_course/local/activitychooser/dialogue';\nimport * as Repository from 'core_course/local/activitychooser/repository';\nimport selectors from 'core_course/local/activitychooser/selectors';\nimport CustomEvents from 'core/custom_interaction_events';\nimport * as Templates from 'core/templates';\nimport * as ModalFactory from 'core/modal_factory';\nimport {get_string as getString} from 'core/str';\nimport Pending from 'core/pending';\n\n// Set up some JS module wide constants that can be added to in the future.\n\n// Tab config options.\nconst ALLACTIVITIESRESOURCES = 0;\nconst ONLYALL = 1;\nconst ACTIVITIESRESOURCES = 2;\n\n// Module types.\nconst ACTIVITY = 0;\nconst RESOURCE = 1;\n\n/**\n * Set up the activity chooser.\n *\n * @method init\n * @param {Number} courseId Course ID to use later on in fetchModules()\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n */\nexport const init = (courseId, chooserConfig) => {\n    const pendingPromise = new Pending();\n\n    registerListenerEvents(courseId, chooserConfig);\n\n    pendingPromise.resolve();\n};\n\n/**\n * Once a selection has been made make the modal & module information and pass it along\n *\n * @method registerListenerEvents\n * @param {Number} courseId\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n */\nconst registerListenerEvents = (courseId, chooserConfig) => {\n    const events = [\n        'click',\n        CustomEvents.events.activate,\n        CustomEvents.events.keyboardActivate\n    ];\n\n    const fetchModuleData = (() => {\n        let innerPromise = null;\n\n        return () => {\n            if (!innerPromise) {\n                innerPromise = new Promise((resolve) => {\n                    resolve(Repository.activityModules(courseId));\n                });\n            }\n\n            return innerPromise;\n        };\n    })();\n\n    const fetchFooterData = (() => {\n        let footerInnerPromise = null;\n\n        return (sectionId) => {\n            if (!footerInnerPromise) {\n                footerInnerPromise = new Promise((resolve) => {\n                    resolve(Repository.fetchFooterData(courseId, sectionId));\n                });\n            }\n\n            return footerInnerPromise;\n        };\n    })();\n\n    CustomEvents.define(document, events);\n\n    // Display module chooser event listeners.\n    events.forEach((event) => {\n        document.addEventListener(event, async(e) => {\n            if (e.target.closest(selectors.elements.sectionmodchooser)) {\n                let caller;\n                // We need to know who called this.\n                // Standard courses use the ID in the main section info.\n                const sectionDiv = e.target.closest(selectors.elements.section);\n                // Front page courses need some special handling.\n                const button = e.target.closest(selectors.elements.sectionmodchooser);\n\n                // If we don't have a section ID use the fallback ID.\n                // We always want the sectionDiv caller first as it keeps track of section ID's after DnD changes.\n                // The button attribute is always just a fallback for us as the section div is not always available.\n                // A YUI change could be done maybe to only update the button attribute but we are going for minimal change here.\n                if (sectionDiv !== null && sectionDiv.hasAttribute('data-sectionid')) {\n                    // We check for attributes just in case of outdated contrib course formats.\n                    caller = sectionDiv;\n                } else {\n                    caller = button;\n                }\n\n                // We want to show the modal instantly but loading whilst waiting for our data.\n                let bodyPromiseResolver;\n                const bodyPromise = new Promise(resolve => {\n                    bodyPromiseResolver = resolve;\n                });\n\n                const footerData = await fetchFooterData(caller.dataset.sectionid);\n                const sectionModal = buildModal(bodyPromise, footerData);\n\n                // Now we have a modal we should start fetching data.\n                // If an error occurs while fetching the data, display the error within the modal.\n                const data = await fetchModuleData().catch(async(e) => {\n                    const errorTemplateData = {\n                        'errormessage': e.message\n                    };\n                    bodyPromiseResolver(await Templates.render('core_course/local/activitychooser/error', errorTemplateData));\n                });\n\n                // Early return if there is no module data.\n                if (!data) {\n                    return;\n                }\n\n                // Apply the section id to all the module instance links.\n                const builtModuleData = sectionIdMapper(data, caller.dataset.sectionid, caller.dataset.sectionreturnid);\n\n                ChooserDialogue.displayChooser(\n                    sectionModal,\n                    builtModuleData,\n                    partiallyAppliedFavouriteManager(data, caller.dataset.sectionid),\n                    footerData,\n                );\n\n                bodyPromiseResolver(await Templates.render(\n                    'core_course/activitychooser',\n                    templateDataBuilder(builtModuleData, chooserConfig)\n                ));\n            }\n        });\n    });\n};\n\n/**\n * Given the web service data and an ID we want to make a deep copy\n * of the WS data then add on the section ID to the addoption URL\n *\n * @method sectionIdMapper\n * @param {Object} webServiceData Our original data from the Web service call\n * @param {Number} id The ID of the section we need to append to the links\n * @param {Number|null} sectionreturnid The ID of the section return we need to append to the links\n * @return {Array} [modules] with URL's built\n */\nconst sectionIdMapper = (webServiceData, id, sectionreturnid) => {\n    // We need to take a fresh deep copy of the original data as an object is a reference type.\n    const newData = JSON.parse(JSON.stringify(webServiceData));\n    newData.content_items.forEach((module) => {\n        module.link += '&section=' + id + '&sr=' + (sectionreturnid ?? 0);\n    });\n    return newData.content_items;\n};\n\n/**\n * Given an array of modules we want to figure out where & how to place them into our template object\n *\n * @method templateDataBuilder\n * @param {Array} data our modules to manipulate into a Templatable object\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n * @return {Object} Our built object ready to render out\n */\nconst templateDataBuilder = (data, chooserConfig) => {\n    // Setup of various bits and pieces we need to mutate before throwing it to the wolves.\n    let activities = [];\n    let resources = [];\n    let showAll = true;\n    let showActivities = false;\n    let showResources = false;\n\n    // Tab mode can be the following [All, Resources & Activities, All & Activities & Resources].\n    const tabMode = parseInt(chooserConfig.tabmode);\n\n    // Filter the incoming data to find favourite & recommended modules.\n    const favourites = data.filter(mod => mod.favourite === true);\n    const recommended = data.filter(mod => mod.recommended === true);\n\n    // Both of these modes need Activity & Resource tabs.\n    if ((tabMode === ALLACTIVITIESRESOURCES || tabMode === ACTIVITIESRESOURCES) && tabMode !== ONLYALL) {\n        // Filter the incoming data to find activities then resources.\n        activities = data.filter(mod => mod.archetype === ACTIVITY);\n        resources = data.filter(mod => mod.archetype === RESOURCE);\n        showActivities = true;\n        showResources = true;\n\n        // We want all of the previous information but no 'All' tab.\n        if (tabMode === ACTIVITIESRESOURCES) {\n            showAll = false;\n        }\n    }\n\n    // Given the results of the above filters lets figure out what tab to set active.\n    // We have some favourites.\n    const favouritesFirst = !!favourites.length;\n    // We are in tabMode 2 without any favourites.\n    const activitiesFirst = showAll === false && favouritesFirst === false;\n    // We have nothing fallback to show all modules.\n    const fallback = showAll === true && favouritesFirst === false;\n\n    return {\n        'default': data,\n        showAll: showAll,\n        activities: activities,\n        showActivities: showActivities,\n        activitiesFirst: activitiesFirst,\n        resources: resources,\n        showResources: showResources,\n        favourites: favourites,\n        recommended: recommended,\n        favouritesFirst: favouritesFirst,\n        fallback: fallback,\n    };\n};\n\n/**\n * Given an object we want to build a modal ready to show\n *\n * @method buildModal\n * @param {Promise} bodyPromise\n * @param {String|Boolean} footer Either a footer to add or nothing\n * @return {Object} The modal ready to display immediately and render body in later.\n */\nconst buildModal = (bodyPromise, footer) => {\n    return ModalFactory.create({\n        type: ModalFactory.types.DEFAULT,\n        title: getString('addresourceoractivity'),\n        body: bodyPromise,\n        footer: footer.customfootertemplate,\n        large: true,\n        templateContext: {\n            classes: 'modchooser'\n        }\n    })\n    .then(modal => {\n        modal.show();\n        return modal;\n    });\n};\n\n/**\n * A small helper function to handle the case where there are no more favourites\n * and we need to mess a bit with the available tabs in the chooser\n *\n * @method nullFavouriteDomManager\n * @param {HTMLElement} favouriteTabNav Dom node of the favourite tab nav\n * @param {HTMLElement} modalBody Our current modals' body\n */\nconst nullFavouriteDomManager = (favouriteTabNav, modalBody) => {\n    favouriteTabNav.tabIndex = -1;\n    favouriteTabNav.classList.add('d-none');\n    // Need to set active to an available tab.\n    if (favouriteTabNav.classList.contains('active')) {\n        favouriteTabNav.classList.remove('active');\n        favouriteTabNav.setAttribute('aria-selected', 'false');\n        const favouriteTab = modalBody.querySelector(selectors.regions.favouriteTab);\n        favouriteTab.classList.remove('active');\n        const defaultTabNav = modalBody.querySelector(selectors.regions.defaultTabNav);\n        const activitiesTabNav = modalBody.querySelector(selectors.regions.activityTabNav);\n        if (defaultTabNav.classList.contains('d-none') === false) {\n            defaultTabNav.classList.add('active');\n            defaultTabNav.setAttribute('aria-selected', 'true');\n            defaultTabNav.tabIndex = 0;\n            defaultTabNav.focus();\n            const defaultTab = modalBody.querySelector(selectors.regions.defaultTab);\n            defaultTab.classList.add('active');\n        } else {\n            activitiesTabNav.classList.add('active');\n            activitiesTabNav.setAttribute('aria-selected', 'true');\n            activitiesTabNav.tabIndex = 0;\n            activitiesTabNav.focus();\n            const activitiesTab = modalBody.querySelector(selectors.regions.activityTab);\n            activitiesTab.classList.add('active');\n        }\n\n    }\n};\n\n/**\n * Export a curried function where the builtModules has been applied.\n * We have our array of modules so we can rerender the favourites area and have all of the items sorted.\n *\n * @method partiallyAppliedFavouriteManager\n * @param {Array} moduleData This is our raw WS data that we need to manipulate\n * @param {Number} sectionId We need this to add the sectionID to the URL's in the faves area after rerender\n * @return {Function} partially applied function so we can manipulate DOM nodes easily & update our internal array\n */\nconst partiallyAppliedFavouriteManager = (moduleData, sectionId) => {\n    /**\n     * Curried function that is being returned.\n     *\n     * @param {String} internal Internal name of the module to manage\n     * @param {Boolean} favourite Is the caller adding a favourite or removing one?\n     * @param {HTMLElement} modalBody What we need to update whilst we are here\n     */\n    return async(internal, favourite, modalBody) => {\n        const favouriteArea = modalBody.querySelector(selectors.render.favourites);\n\n        // eslint-disable-next-line max-len\n        const favouriteButtons = modalBody.querySelectorAll(`[data-internal=\"${internal}\"] ${selectors.actions.optionActions.manageFavourite}`);\n        const favouriteTabNav = modalBody.querySelector(selectors.regions.favouriteTabNav);\n        const result = moduleData.content_items.find(({name}) => name === internal);\n        const newFaves = {};\n        if (result) {\n            if (favourite) {\n                result.favourite = true;\n\n                // eslint-disable-next-line camelcase\n                newFaves.content_items = moduleData.content_items.filter(mod => mod.favourite === true);\n\n                const builtFaves = sectionIdMapper(newFaves, sectionId);\n\n                const {html, js} = await Templates.renderForPromise('core_course/local/activitychooser/favourites',\n                    {favourites: builtFaves});\n\n                await Templates.replaceNodeContents(favouriteArea, html, js);\n\n                Array.from(favouriteButtons).forEach((element) => {\n                    element.classList.remove('text-muted');\n                    element.classList.add('text-primary');\n                    element.dataset.favourited = 'true';\n                    element.setAttribute('aria-pressed', true);\n                    element.firstElementChild.classList.remove('fa-star-o');\n                    element.firstElementChild.classList.add('fa-star');\n                });\n\n                favouriteTabNav.classList.remove('d-none');\n            } else {\n                result.favourite = false;\n\n                const nodeToRemove = favouriteArea.querySelector(`[data-internal=\"${internal}\"]`);\n\n                nodeToRemove.parentNode.removeChild(nodeToRemove);\n\n                Array.from(favouriteButtons).forEach((element) => {\n                    element.classList.add('text-muted');\n                    element.classList.remove('text-primary');\n                    element.dataset.favourited = 'false';\n                    element.setAttribute('aria-pressed', false);\n                    element.firstElementChild.classList.remove('fa-star');\n                    element.firstElementChild.classList.add('fa-star-o');\n                });\n                const newFaves = moduleData.content_items.filter(mod => mod.favourite === true);\n\n                if (newFaves.length === 0) {\n                    nullFavouriteDomManager(favouriteTabNav, modalBody);\n                }\n            }\n        }\n    };\n};\n"],"file":"activitychooser.min.js"}
\ No newline at end of file
+{"version":3,"file":"activitychooser.min.js","sources":["../src/activitychooser.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A type of dialogue used as for choosing modules in a course.\n *\n * @module     core_course/activitychooser\n * @package    core_course\n * @copyright  2020 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as ChooserDialogue from 'core_course/local/activitychooser/dialogue';\nimport * as Repository from 'core_course/local/activitychooser/repository';\nimport selectors from 'core_course/local/activitychooser/selectors';\nimport CustomEvents from 'core/custom_interaction_events';\nimport * as Templates from 'core/templates';\nimport * as ModalFactory from 'core/modal_factory';\nimport {get_string as getString} from 'core/str';\nimport Pending from 'core/pending';\n\n// Set up some JS module wide constants that can be added to in the future.\n\n// Tab config options.\nconst ALLACTIVITIESRESOURCES = 0;\nconst ONLYALL = 1;\nconst ACTIVITIESRESOURCES = 2;\n\n// Module types.\nconst ACTIVITY = 0;\nconst RESOURCE = 1;\n\n/**\n * Set up the activity chooser.\n *\n * @method init\n * @param {Number} courseId Course ID to use later on in fetchModules()\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n */\nexport const init = (courseId, chooserConfig) => {\n    const pendingPromise = new Pending();\n\n    registerListenerEvents(courseId, chooserConfig);\n\n    pendingPromise.resolve();\n};\n\n/**\n * Once a selection has been made make the modal & module information and pass it along\n *\n * @method registerListenerEvents\n * @param {Number} courseId\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n */\nconst registerListenerEvents = (courseId, chooserConfig) => {\n    const events = [\n        'click',\n        CustomEvents.events.activate,\n        CustomEvents.events.keyboardActivate\n    ];\n\n    const fetchModuleData = (() => {\n        let innerPromise = null;\n\n        return () => {\n            if (!innerPromise) {\n                innerPromise = new Promise((resolve) => {\n                    resolve(Repository.activityModules(courseId));\n                });\n            }\n\n            return innerPromise;\n        };\n    })();\n\n    const fetchFooterData = (() => {\n        let footerInnerPromise = null;\n\n        return (sectionId) => {\n            if (!footerInnerPromise) {\n                footerInnerPromise = new Promise((resolve) => {\n                    resolve(Repository.fetchFooterData(courseId, sectionId));\n                });\n            }\n\n            return footerInnerPromise;\n        };\n    })();\n\n    CustomEvents.define(document, events);\n\n    // Display module chooser event listeners.\n    events.forEach((event) => {\n        document.addEventListener(event, async(e) => {\n            if (e.target.closest(selectors.elements.sectionmodchooser)) {\n                let caller;\n                // We need to know who called this.\n                // Standard courses use the ID in the main section info.\n                const sectionDiv = e.target.closest(selectors.elements.section);\n                // Front page courses need some special handling.\n                const button = e.target.closest(selectors.elements.sectionmodchooser);\n\n                // If we don't have a section ID use the fallback ID.\n                // We always want the sectionDiv caller first as it keeps track of section ID's after DnD changes.\n                // The button attribute is always just a fallback for us as the section div is not always available.\n                // A YUI change could be done maybe to only update the button attribute but we are going for minimal change here.\n                if (sectionDiv !== null && sectionDiv.hasAttribute('data-sectionid')) {\n                    // We check for attributes just in case of outdated contrib course formats.\n                    caller = sectionDiv;\n                } else {\n                    caller = button;\n                }\n\n                // We want to show the modal instantly but loading whilst waiting for our data.\n                let bodyPromiseResolver;\n                const bodyPromise = new Promise(resolve => {\n                    bodyPromiseResolver = resolve;\n                });\n\n                const footerData = await fetchFooterData(caller.dataset.sectionid);\n                const sectionModal = buildModal(bodyPromise, footerData);\n\n                // Now we have a modal we should start fetching data.\n                // If an error occurs while fetching the data, display the error within the modal.\n                const data = await fetchModuleData().catch(async(e) => {\n                    const errorTemplateData = {\n                        'errormessage': e.message\n                    };\n                    bodyPromiseResolver(await Templates.render('core_course/local/activitychooser/error', errorTemplateData));\n                });\n\n                // Early return if there is no module data.\n                if (!data) {\n                    return;\n                }\n\n                // Apply the section id to all the module instance links.\n                const builtModuleData = sectionIdMapper(data, caller.dataset.sectionid, caller.dataset.sectionreturnid);\n\n                ChooserDialogue.displayChooser(\n                    sectionModal,\n                    builtModuleData,\n                    partiallyAppliedFavouriteManager(data, caller.dataset.sectionid),\n                    footerData,\n                );\n\n                bodyPromiseResolver(await Templates.render(\n                    'core_course/activitychooser',\n                    templateDataBuilder(builtModuleData, chooserConfig)\n                ));\n            }\n        });\n    });\n};\n\n/**\n * Given the web service data and an ID we want to make a deep copy\n * of the WS data then add on the section ID to the addoption URL\n *\n * @method sectionIdMapper\n * @param {Object} webServiceData Our original data from the Web service call\n * @param {Number} id The ID of the section we need to append to the links\n * @param {Number|null} sectionreturnid The ID of the section return we need to append to the links\n * @return {Array} [modules] with URL's built\n */\nconst sectionIdMapper = (webServiceData, id, sectionreturnid) => {\n    // We need to take a fresh deep copy of the original data as an object is a reference type.\n    const newData = JSON.parse(JSON.stringify(webServiceData));\n    newData.content_items.forEach((module) => {\n        module.link += '&section=' + id + '&sr=' + (sectionreturnid ?? 0);\n    });\n    return newData.content_items;\n};\n\n/**\n * Given an array of modules we want to figure out where & how to place them into our template object\n *\n * @method templateDataBuilder\n * @param {Array} data our modules to manipulate into a Templatable object\n * @param {Object} chooserConfig Any PHP config settings that we may need to reference\n * @return {Object} Our built object ready to render out\n */\nconst templateDataBuilder = (data, chooserConfig) => {\n    // Setup of various bits and pieces we need to mutate before throwing it to the wolves.\n    let activities = [];\n    let resources = [];\n    let showAll = true;\n    let showActivities = false;\n    let showResources = false;\n\n    // Tab mode can be the following [All, Resources & Activities, All & Activities & Resources].\n    const tabMode = parseInt(chooserConfig.tabmode);\n\n    // Filter the incoming data to find favourite & recommended modules.\n    const favourites = data.filter(mod => mod.favourite === true);\n    const recommended = data.filter(mod => mod.recommended === true);\n\n    // Both of these modes need Activity & Resource tabs.\n    if ((tabMode === ALLACTIVITIESRESOURCES || tabMode === ACTIVITIESRESOURCES) && tabMode !== ONLYALL) {\n        // Filter the incoming data to find activities then resources.\n        activities = data.filter(mod => mod.archetype === ACTIVITY);\n        resources = data.filter(mod => mod.archetype === RESOURCE);\n        showActivities = true;\n        showResources = true;\n\n        // We want all of the previous information but no 'All' tab.\n        if (tabMode === ACTIVITIESRESOURCES) {\n            showAll = false;\n        }\n    }\n\n    // Given the results of the above filters lets figure out what tab to set active.\n    // We have some favourites.\n    const favouritesFirst = !!favourites.length;\n    // We are in tabMode 2 without any favourites.\n    const activitiesFirst = showAll === false && favouritesFirst === false;\n    // We have nothing fallback to show all modules.\n    const fallback = showAll === true && favouritesFirst === false;\n\n    return {\n        'default': data,\n        showAll: showAll,\n        activities: activities,\n        showActivities: showActivities,\n        activitiesFirst: activitiesFirst,\n        resources: resources,\n        showResources: showResources,\n        favourites: favourites,\n        recommended: recommended,\n        favouritesFirst: favouritesFirst,\n        fallback: fallback,\n    };\n};\n\n/**\n * Given an object we want to build a modal ready to show\n *\n * @method buildModal\n * @param {Promise} bodyPromise\n * @param {String|Boolean} footer Either a footer to add or nothing\n * @return {Object} The modal ready to display immediately and render body in later.\n */\nconst buildModal = (bodyPromise, footer) => {\n    return ModalFactory.create({\n        type: ModalFactory.types.DEFAULT,\n        title: getString('addresourceoractivity'),\n        body: bodyPromise,\n        footer: footer.customfootertemplate,\n        large: true,\n        templateContext: {\n            classes: 'modchooser'\n        }\n    })\n    .then(modal => {\n        modal.show();\n        return modal;\n    });\n};\n\n/**\n * A small helper function to handle the case where there are no more favourites\n * and we need to mess a bit with the available tabs in the chooser\n *\n * @method nullFavouriteDomManager\n * @param {HTMLElement} favouriteTabNav Dom node of the favourite tab nav\n * @param {HTMLElement} modalBody Our current modals' body\n */\nconst nullFavouriteDomManager = (favouriteTabNav, modalBody) => {\n    favouriteTabNav.tabIndex = -1;\n    favouriteTabNav.classList.add('d-none');\n    // Need to set active to an available tab.\n    if (favouriteTabNav.classList.contains('active')) {\n        favouriteTabNav.classList.remove('active');\n        favouriteTabNav.setAttribute('aria-selected', 'false');\n        const favouriteTab = modalBody.querySelector(selectors.regions.favouriteTab);\n        favouriteTab.classList.remove('active');\n        const defaultTabNav = modalBody.querySelector(selectors.regions.defaultTabNav);\n        const activitiesTabNav = modalBody.querySelector(selectors.regions.activityTabNav);\n        if (defaultTabNav.classList.contains('d-none') === false) {\n            defaultTabNav.classList.add('active');\n            defaultTabNav.setAttribute('aria-selected', 'true');\n            defaultTabNav.tabIndex = 0;\n            defaultTabNav.focus();\n            const defaultTab = modalBody.querySelector(selectors.regions.defaultTab);\n            defaultTab.classList.add('active');\n        } else {\n            activitiesTabNav.classList.add('active');\n            activitiesTabNav.setAttribute('aria-selected', 'true');\n            activitiesTabNav.tabIndex = 0;\n            activitiesTabNav.focus();\n            const activitiesTab = modalBody.querySelector(selectors.regions.activityTab);\n            activitiesTab.classList.add('active');\n        }\n\n    }\n};\n\n/**\n * Export a curried function where the builtModules has been applied.\n * We have our array of modules so we can rerender the favourites area and have all of the items sorted.\n *\n * @method partiallyAppliedFavouriteManager\n * @param {Array} moduleData This is our raw WS data that we need to manipulate\n * @param {Number} sectionId We need this to add the sectionID to the URL's in the faves area after rerender\n * @return {Function} partially applied function so we can manipulate DOM nodes easily & update our internal array\n */\nconst partiallyAppliedFavouriteManager = (moduleData, sectionId) => {\n    /**\n     * Curried function that is being returned.\n     *\n     * @param {String} internal Internal name of the module to manage\n     * @param {Boolean} favourite Is the caller adding a favourite or removing one?\n     * @param {HTMLElement} modalBody What we need to update whilst we are here\n     */\n    return async(internal, favourite, modalBody) => {\n        const favouriteArea = modalBody.querySelector(selectors.render.favourites);\n\n        // eslint-disable-next-line max-len\n        const favouriteButtons = modalBody.querySelectorAll(`[data-internal=\"${internal}\"] ${selectors.actions.optionActions.manageFavourite}`);\n        const favouriteTabNav = modalBody.querySelector(selectors.regions.favouriteTabNav);\n        const result = moduleData.content_items.find(({name}) => name === internal);\n        const newFaves = {};\n        if (result) {\n            if (favourite) {\n                result.favourite = true;\n\n                // eslint-disable-next-line camelcase\n                newFaves.content_items = moduleData.content_items.filter(mod => mod.favourite === true);\n\n                const builtFaves = sectionIdMapper(newFaves, sectionId);\n\n                const {html, js} = await Templates.renderForPromise('core_course/local/activitychooser/favourites',\n                    {favourites: builtFaves});\n\n                await Templates.replaceNodeContents(favouriteArea, html, js);\n\n                Array.from(favouriteButtons).forEach((element) => {\n                    element.classList.remove('text-muted');\n                    element.classList.add('text-primary');\n                    element.dataset.favourited = 'true';\n                    element.setAttribute('aria-pressed', true);\n                    element.firstElementChild.classList.remove('fa-star-o');\n                    element.firstElementChild.classList.add('fa-star');\n                });\n\n                favouriteTabNav.classList.remove('d-none');\n            } else {\n                result.favourite = false;\n\n                const nodeToRemove = favouriteArea.querySelector(`[data-internal=\"${internal}\"]`);\n\n                nodeToRemove.parentNode.removeChild(nodeToRemove);\n\n                Array.from(favouriteButtons).forEach((element) => {\n                    element.classList.add('text-muted');\n                    element.classList.remove('text-primary');\n                    element.dataset.favourited = 'false';\n                    element.setAttribute('aria-pressed', false);\n                    element.firstElementChild.classList.remove('fa-star');\n                    element.firstElementChild.classList.add('fa-star-o');\n                });\n                const newFaves = moduleData.content_items.filter(mod => mod.favourite === true);\n\n                if (newFaves.length === 0) {\n                    nullFavouriteDomManager(favouriteTabNav, modalBody);\n                }\n            }\n        }\n    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\ No newline at end of file
diff --git a/course/amd/build/copy_modal.min.js b/course/amd/build/copy_modal.min.js
index da1dfde243c..66d8a2e2781 100644
--- a/course/amd/build/copy_modal.min.js
+++ b/course/amd/build/copy_modal.min.js
@@ -1,2 +1,14 @@
-define ("core_course/copy_modal",["jquery","core/str","core/modal_factory","core/modal_events","core/ajax","core/fragment","core/notification","core/config"],function(a,b,c,d,f,g,h,i){var j={},k,l,m,n="<p class=\"text-center\"><i class=\"fa fa-spinner fa-pulse fa-2x fa-fw\"></i></p>";function o(){b.get_string("loading").then(function(a){c.create({type:c.types.DEFAULT,title:a,body:n,large:!0}).done(function(a){m=a;m.getRoot().on("click","#id_submitreturn",q);m.getRoot().on("click","#id_submitdisplay",function(a){a.formredirect=!0;q(a)});m.getRoot().on("click","#id_cancel",function(a){a.preventDefault();m.setBody(n);m.hide()})})}).catch(function(){h.exception(new Error("Failed to load string: loading"))})}function p(a){if("undefined"==typeof a){a={}}var c={jsonformdata:JSON.stringify(a),courseid:l.id};m.setBody(n);b.get_string("copycoursetitle","backup",l.shortname).then(function(a){m.setTitle(a);m.setBody(g.loadFragment("course","new_base_form",k,c))}).catch(function(){h.exception(new Error("Failed to load string: copycoursetitle"))})}function q(b){b.preventDefault();var c=m.getRoot().find("form").serialize(),d=JSON.stringify(c),e=a.merge(m.getRoot().find("[aria-invalid=\"true\"]"),m.getRoot().find(".error"));if(e.length){e.first().focus();return}f.call([{methodname:"core_backup_submit_copy_form",args:{jsonformdata:d}}])[0].done(function(){m.setBody(n);m.hide();if(!0==b.formredirect){var a=i.wwwroot+"/backup/copyprogress.php?id="+l.id;window.location.assign(a)}}).fail(function(){p(c)})}j.init=function(b){k=b;o();a(".action-copy").on("click",function(a){a.preventDefault();var b=new URL(this.getAttribute("href")),c=new URLSearchParams(b.search),d=c.get("id");f.call([{methodname:"core_course_get_courses",args:{options:{ids:[d]}}}])[0].done(function(a){l=a[0];p()}).fail(function(){h.exception(new Error("Failed to load course"))});m.show()})};return j});
-//# sourceMappingURL=copy_modal.min.js.map
+/**
+ * This module provides the course copy modal from the course and
+ * category management screen.
+ *
+ * @module     course
+ * @package    core
+ * @copyright  2020 onward The Moodle Users Association <https://moodleassociation.org/>
+ * @author     Matt Porritt <mattp@catalyst-au.net>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.9
+ */
+define("core_course/copy_modal",["jquery","core/str","core/modal_factory","core/modal_events","core/ajax","core/fragment","core/notification","core/config"],(function($,Str,ModalFactory,ModalEvents,ajax,Fragment,Notification,Config){var contextid,course,modalObj,CopyModal={},spinner='<p class="text-center"><i class="fa fa-spinner fa-pulse fa-2x fa-fw"></i></p>';function updateModalBody(formdata){void 0===formdata&&(formdata={});var params={jsonformdata:JSON.stringify(formdata),courseid:course.id};modalObj.setBody(spinner),Str.get_string("copycoursetitle","backup",course.shortname).then((function(title){modalObj.setTitle(title),modalObj.setBody(Fragment.loadFragment("course","new_base_form",contextid,params))})).catch((function(){Notification.exception(new Error("Failed to load string: copycoursetitle"))}))}function processModalForm(e){e.preventDefault();var copyform=modalObj.getRoot().find("form").serialize(),formjson=JSON.stringify(copyform),invalid=$.merge(modalObj.getRoot().find('[aria-invalid="true"]'),modalObj.getRoot().find(".error"));invalid.length?invalid.first().focus():ajax.call([{methodname:"core_backup_submit_copy_form",args:{jsonformdata:formjson}}])[0].done((function(){if(modalObj.setBody(spinner),modalObj.hide(),1==e.formredirect){var redirect=Config.wwwroot+"/backup/copyprogress.php?id="+course.id;window.location.assign(redirect)}})).fail((function(){updateModalBody(copyform)}))}return CopyModal.init=function(context){contextid=context,Str.get_string("loading").then((function(title){ModalFactory.create({type:ModalFactory.types.DEFAULT,title:title,body:spinner,large:!0}).done((function(modal){(modalObj=modal).getRoot().on("click","#id_submitreturn",processModalForm),modalObj.getRoot().on("click","#id_submitdisplay",(function(e){e.formredirect=!0,processModalForm(e)})),modalObj.getRoot().on("click","#id_cancel",(function(e){e.preventDefault(),modalObj.setBody(spinner),modalObj.hide()}))}))})).catch((function(){Notification.exception(new Error("Failed to load string: loading"))})),$(".action-copy").on("click",(function(e){e.preventDefault();var url=new URL(this.getAttribute("href")),courseid=new URLSearchParams(url.search).get("id");ajax.call([{methodname:"core_course_get_courses",args:{options:{ids:[courseid]}}}])[0].done((function(response){course=response[0],updateModalBody()})).fail((function(){Notification.exception(new Error("Failed to load course"))})),modalObj.show()}))},CopyModal}));
+
+//# sourceMappingURL=copy_modal.min.js.map
\ No newline at end of file
diff --git a/course/amd/build/copy_modal.min.js.map b/course/amd/build/copy_modal.min.js.map
index 3ec3b14aeea..88dcc95252b 100644
--- a/course/amd/build/copy_modal.min.js.map
+++ b/course/amd/build/copy_modal.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module provides the course copy modal from the course and\n * category management screen.\n *\n * @module     course\n * @package    core\n * @copyright  2020 onward The Moodle Users Association <https://moodleassociation.org/>\n * @author     Matt Porritt <mattp@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.9\n */\n\ndefine(['jquery', 'core/str', 'core/modal_factory', 'core/modal_events',\n        'core/ajax', 'core/fragment', 'core/notification', 'core/config'],\n        function($, Str, ModalFactory, ModalEvents, ajax, Fragment, Notification, Config) {\n\n    /**\n     * Module level variables.\n     */\n    var CopyModal = {};\n    var contextid;\n    var course;\n    var modalObj;\n    var spinner = '<p class=\"text-center\">'\n        + '<i class=\"fa fa-spinner fa-pulse fa-2x fa-fw\"></i>'\n        + '</p>';\n\n    /**\n     * Creates the modal for the course copy form\n     *\n     * @private\n     */\n    function createModal() {\n        // Get the Title String.\n        Str.get_string('loading').then(function(title) {\n            // Create the Modal.\n            ModalFactory.create({\n                type: ModalFactory.types.DEFAULT,\n                title: title,\n                body: spinner,\n                large: true\n            })\n            .done(function(modal) {\n                modalObj = modal;\n                // Explicitly handle form click events.\n                modalObj.getRoot().on('click', '#id_submitreturn', processModalForm);\n                modalObj.getRoot().on('click', '#id_submitdisplay', function(e) {\n                    e.formredirect = true;\n                    processModalForm(e);\n\n                });\n                modalObj.getRoot().on('click', '#id_cancel', function(e) {\n                    e.preventDefault();\n                    modalObj.setBody(spinner);\n                    modalObj.hide();\n                });\n            });\n            return;\n        }).catch(function() {\n            Notification.exception(new Error('Failed to load string: loading'));\n        });\n    }\n\n    /**\n     * Updates the body of the modal window.\n     *\n     * @param {Object} formdata\n     * @private\n     */\n    function updateModalBody(formdata) {\n        if (typeof formdata === \"undefined\") {\n            formdata = {};\n        }\n\n        var params = {\n                'jsonformdata': JSON.stringify(formdata),\n                'courseid': course.id\n        };\n\n        modalObj.setBody(spinner);\n        Str.get_string('copycoursetitle', 'backup', course.shortname).then(function(title) {\n            modalObj.setTitle(title);\n            modalObj.setBody(Fragment.loadFragment('course', 'new_base_form', contextid, params));\n            return;\n        }).catch(function() {\n            Notification.exception(new Error('Failed to load string: copycoursetitle'));\n        });\n    }\n\n    /**\n     * Updates Moodle form with selected information.\n     *\n     * @param {Object} e\n     * @private\n     */\n    function processModalForm(e) {\n        e.preventDefault(); // Stop modal from closing.\n\n        // Form data.\n        var copyform = modalObj.getRoot().find('form').serialize();\n        var formjson = JSON.stringify(copyform);\n\n        // Handle invalid form fields for better UX.\n        var invalid = $.merge(\n                modalObj.getRoot().find('[aria-invalid=\"true\"]'),\n                modalObj.getRoot().find('.error')\n        );\n\n        if (invalid.length) {\n            invalid.first().focus();\n            return;\n        }\n\n        // Submit form via ajax.\n        ajax.call([{\n            methodname: 'core_backup_submit_copy_form',\n            args: {\n                jsonformdata: formjson\n            },\n        }])[0].done(function() {\n            // For submission succeeded.\n            modalObj.setBody(spinner);\n            modalObj.hide();\n\n            if (e.formredirect == true) {\n                // We are redirecting to copy progress display.\n                let redirect = Config.wwwroot + \"/backup/copyprogress.php?id=\" + course.id;\n                window.location.assign(redirect);\n            }\n\n        }).fail(function() {\n            // Form submission failed server side, redisplay with errors.\n            updateModalBody(copyform);\n        });\n    }\n\n    /**\n     * Initialise the class.\n     *\n     * @param {Object} context\n     * @public\n     */\n    CopyModal.init = function(context) {\n        contextid = context;\n        // Setup the initial Modal.\n        createModal();\n\n        // Setup the click handlers on the copy buttons.\n        $('.action-copy').on('click', function(e) {\n            e.preventDefault(); // Stop. Hammer time.\n            let url = new URL(this.getAttribute('href'));\n            let params = new URLSearchParams(url.search);\n            let courseid = params.get('id');\n\n            ajax.call([{ // Get the course information.\n                methodname: 'core_course_get_courses',\n                args: {\n                    'options': {'ids': [courseid]},\n                },\n            }])[0].done(function(response) {\n                // We have the course info get the modal content.\n                course = response[0];\n                updateModalBody();\n\n            }).fail(function() {\n                Notification.exception(new Error('Failed to load course'));\n            });\n\n            modalObj.show();\n        });\n\n    };\n\n    return CopyModal;\n});\n"],"file":"copy_modal.min.js"}
\ No newline at end of file
+{"version":3,"file":"copy_modal.min.js","sources":["../src/copy_modal.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module provides the course copy modal from the course and\n * category management screen.\n *\n * @module     course\n * @package    core\n * @copyright  2020 onward The Moodle Users Association <https://moodleassociation.org/>\n * @author     Matt Porritt <mattp@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.9\n */\n\ndefine(['jquery', 'core/str', 'core/modal_factory', 'core/modal_events',\n        'core/ajax', 'core/fragment', 'core/notification', 'core/config'],\n        function($, Str, ModalFactory, ModalEvents, ajax, Fragment, Notification, Config) {\n\n    /**\n     * Module level variables.\n     */\n    var CopyModal = {};\n    var contextid;\n    var course;\n    var modalObj;\n    var spinner = '<p class=\"text-center\">'\n        + '<i class=\"fa fa-spinner fa-pulse fa-2x fa-fw\"></i>'\n        + '</p>';\n\n    /**\n     * Creates the modal for the course copy form\n     *\n     * @private\n     */\n    function createModal() {\n        // Get the Title String.\n        Str.get_string('loading').then(function(title) {\n            // Create the Modal.\n            ModalFactory.create({\n                type: ModalFactory.types.DEFAULT,\n                title: title,\n                body: spinner,\n                large: true\n            })\n            .done(function(modal) {\n                modalObj = modal;\n                // Explicitly handle form click events.\n                modalObj.getRoot().on('click', '#id_submitreturn', processModalForm);\n                modalObj.getRoot().on('click', '#id_submitdisplay', function(e) {\n                    e.formredirect = true;\n                    processModalForm(e);\n\n                });\n                modalObj.getRoot().on('click', '#id_cancel', function(e) {\n                    e.preventDefault();\n                    modalObj.setBody(spinner);\n                    modalObj.hide();\n                });\n            });\n            return;\n        }).catch(function() {\n            Notification.exception(new Error('Failed to load string: loading'));\n        });\n    }\n\n    /**\n     * Updates the body of the modal window.\n     *\n     * @param {Object} formdata\n     * @private\n     */\n    function updateModalBody(formdata) {\n        if (typeof formdata === \"undefined\") {\n            formdata = {};\n        }\n\n        var params = {\n                'jsonformdata': JSON.stringify(formdata),\n                'courseid': course.id\n        };\n\n        modalObj.setBody(spinner);\n        Str.get_string('copycoursetitle', 'backup', course.shortname).then(function(title) {\n            modalObj.setTitle(title);\n            modalObj.setBody(Fragment.loadFragment('course', 'new_base_form', contextid, params));\n            return;\n        }).catch(function() {\n            Notification.exception(new Error('Failed to load string: copycoursetitle'));\n        });\n    }\n\n    /**\n     * Updates Moodle form with selected information.\n     *\n     * @param {Object} e\n     * @private\n     */\n    function processModalForm(e) {\n        e.preventDefault(); // Stop modal from closing.\n\n        // Form data.\n        var copyform = modalObj.getRoot().find('form').serialize();\n        var formjson = JSON.stringify(copyform);\n\n        // Handle invalid form fields for better UX.\n        var invalid = $.merge(\n                modalObj.getRoot().find('[aria-invalid=\"true\"]'),\n                modalObj.getRoot().find('.error')\n        );\n\n        if (invalid.length) {\n            invalid.first().focus();\n            return;\n        }\n\n        // Submit form via ajax.\n        ajax.call([{\n            methodname: 'core_backup_submit_copy_form',\n            args: {\n                jsonformdata: formjson\n            },\n        }])[0].done(function() {\n            // For submission succeeded.\n            modalObj.setBody(spinner);\n            modalObj.hide();\n\n            if (e.formredirect == true) {\n                // We are redirecting to copy progress display.\n                let redirect = Config.wwwroot + \"/backup/copyprogress.php?id=\" + course.id;\n                window.location.assign(redirect);\n            }\n\n        }).fail(function() {\n            // Form submission failed server side, redisplay with errors.\n            updateModalBody(copyform);\n        });\n    }\n\n    /**\n     * Initialise the class.\n     *\n     * @param {Object} context\n     * @public\n     */\n    CopyModal.init = function(context) {\n        contextid = context;\n        // Setup the initial Modal.\n        createModal();\n\n        // Setup the click handlers on the copy buttons.\n        $('.action-copy').on('click', function(e) {\n            e.preventDefault(); // Stop. Hammer time.\n            let url = new URL(this.getAttribute('href'));\n            let params = new URLSearchParams(url.search);\n            let courseid = params.get('id');\n\n            ajax.call([{ // Get the course information.\n                methodname: 'core_course_get_courses',\n                args: {\n                    'options': {'ids': [courseid]},\n                },\n            }])[0].done(function(response) {\n                // We have the course info get the modal content.\n                course = response[0];\n                updateModalBody();\n\n            }).fail(function() {\n                Notification.exception(new Error('Failed to load course'));\n            });\n\n            modalObj.show();\n        });\n\n    };\n\n    return CopyModal;\n});\n"],"names":["define","$","Str","ModalFactory","ModalEvents","ajax","Fragment","Notification","Config","contextid","course","modalObj","CopyModal","spinner","updateModalBody","formdata","params","JSON","stringify","id","setBody","get_string","shortname","then","title","setTitle","loadFragment","catch","exception","Error","processModalForm","e","preventDefault","copyform","getRoot","find","serialize","formjson","invalid","merge","length","first","focus","call","methodname","args","jsonformdata","done","hide","formredirect","redirect","wwwroot","window","location","assign","fail","init","context","create","type","types","DEFAULT","body","large","modal","on","url","URL","this","getAttribute","courseid","URLSearchParams","search","get","response","show"],"mappings":";;;;;;;;;;;AA2BAA,gCAAO,CAAC,SAAU,WAAY,qBAAsB,oBAC5C,YAAa,gBAAiB,oBAAqB,gBACnD,SAASC,EAAGC,IAAKC,aAAcC,YAAaC,KAAMC,SAAUC,aAAcC,YAM1EC,UACAC,OACAC,SAHAC,UAAY,GAIZC,QAAU,yFA8CLC,gBAAgBC,eACG,IAAbA,WACPA,SAAW,QAGXC,OAAS,cACWC,KAAKC,UAAUH,mBACnBL,OAAOS,IAG3BR,SAASS,QAAQP,SACjBX,IAAImB,WAAW,kBAAmB,SAAUX,OAAOY,WAAWC,MAAK,SAASC,OACxEb,SAASc,SAASD,OAClBb,SAASS,QAAQd,SAASoB,aAAa,SAAU,gBAAiBjB,UAAWO,YAE9EW,OAAM,WACLpB,aAAaqB,UAAU,IAAIC,MAAM,uDAUhCC,iBAAiBC,GACtBA,EAAEC,qBAGEC,SAAWtB,SAASuB,UAAUC,KAAK,QAAQC,YAC3CC,SAAWpB,KAAKC,UAAUe,UAG1BK,QAAUrC,EAAEsC,MACR5B,SAASuB,UAAUC,KAAK,yBACxBxB,SAASuB,UAAUC,KAAK,WAG5BG,QAAQE,OACRF,QAAQG,QAAQC,QAKpBrC,KAAKsC,KAAK,CAAC,CACPC,WAAY,+BACZC,KAAM,CACFC,aAAcT,aAElB,GAAGU,MAAK,cAERpC,SAASS,QAAQP,SACjBF,SAASqC,OAEa,GAAlBjB,EAAEkB,aAAsB,KAEpBC,SAAW1C,OAAO2C,QAAU,+BAAiCzC,OAAOS,GACxEiC,OAAOC,SAASC,OAAOJ,cAG5BK,MAAK,WAEJzC,gBAAgBmB,oBAUxBrB,UAAU4C,KAAO,SAASC,SACtBhD,UAAYgD,QA7GZvD,IAAImB,WAAW,WAAWE,MAAK,SAASC,OAEpCrB,aAAauD,OAAO,CAChBC,KAAMxD,aAAayD,MAAMC,QACzBrC,MAAOA,MACPsC,KAAMjD,QACNkD,OAAO,IAEVhB,MAAK,SAASiB,QACXrD,SAAWqD,OAEF9B,UAAU+B,GAAG,QAAS,mBAAoBnC,kBACnDnB,SAASuB,UAAU+B,GAAG,QAAS,qBAAqB,SAASlC,GACzDA,EAAEkB,cAAe,EACjBnB,iBAAiBC,MAGrBpB,SAASuB,UAAU+B,GAAG,QAAS,cAAc,SAASlC,GAClDA,EAAEC,iBACFrB,SAASS,QAAQP,SACjBF,SAASqC,gBAIlBrB,OAAM,WACLpB,aAAaqB,UAAU,IAAIC,MAAM,sCAyFrC5B,EAAE,gBAAgBgE,GAAG,SAAS,SAASlC,GACnCA,EAAEC,qBACEkC,IAAM,IAAIC,IAAIC,KAAKC,aAAa,SAEhCC,SADS,IAAIC,gBAAgBL,IAAIM,QACfC,IAAI,MAE1BpE,KAAKsC,KAAK,CAAC,CACPC,WAAY,0BACZC,KAAM,SACS,KAAQ,CAACyB,eAExB,GAAGvB,MAAK,SAAS2B,UAEjBhE,OAASgE,SAAS,GAClB5D,qBAEDyC,MAAK,WACJhD,aAAaqB,UAAU,IAAIC,MAAM,6BAGrClB,SAASgE,WAKV/D"}
\ No newline at end of file
diff --git a/course/amd/build/events.min.js b/course/amd/build/events.min.js
index 1613e4265ba..04f8506e0b7 100644
--- a/course/amd/build/events.min.js
+++ b/course/amd/build/events.min.js
@@ -1,2 +1,11 @@
-define ("core_course/events",[],function(){return{favourited:"core_course:favourited",unfavorited:"core_course:unfavorited"}});
-//# sourceMappingURL=events.min.js.map
+/**
+ * Contain the events the course component can trigger.
+ *
+ * @module     core_course/events
+ * @package    core_course
+ * @copyright  2018 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_course/events",[],(function(){return{favourited:"core_course:favourited",unfavorited:"core_course:unfavorited"}}));
+
+//# sourceMappingURL=events.min.js.map
\ No newline at end of file
diff --git a/course/amd/build/events.min.js.map b/course/amd/build/events.min.js.map
index e451fda7f3b..a8cba44ffc2 100644
--- a/course/amd/build/events.min.js.map
+++ b/course/amd/build/events.min.js.map
@@ -1 +1 @@
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diff --git a/course/amd/build/local/activitychooser/dialogue.min.js b/course/amd/build/local/activitychooser/dialogue.min.js
index e44db26b65c..ab67ae4e561 100644
--- a/course/amd/build/local/activitychooser/dialogue.min.js
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chooserOptionLink=chooserOption.querySelector(_selectors.default.actions.addChooser),chooserOptionHelp=chooserOption.querySelector(_selectors.default.actions.optionActions.showSummary),chooserOptionFavourite=chooserOption.querySelector(_selectors.default.actions.optionActions.manageFavourite);isFocusable?(chooserOption.tabIndex=0,chooserOptionLink.tabIndex=0,chooserOptionHelp.tabIndex=0,chooserOptionFavourite.tabIndex=0):(chooserOption.tabIndex=-1,chooserOptionLink.tabIndex=-1,chooserOptionHelp.tabIndex=-1,chooserOptionFavourite.tabIndex=-1)},clickErrorHandler=function(item,fallback){return null!==item?item:fallback},renderSearchResults=(_ref6=_asyncToGenerator(regeneratorRuntime.mark((function _callee4(searchResultsContainer,searchResultsData){var templateData,_yield$Templates$rend,html,js;return regeneratorRuntime.wrap((function(_context4){for(;;)switch(_context4.prev=_context4.next){case 0:return templateData={searchresultsnumber:searchResultsData.length,searchresults:searchResultsData},_context4.next=3,Templates.renderForPromise("core_course/local/activitychooser/search_results",templateData);case 3:return _yield$Templates$rend=_context4.sent,html=_yield$Templates$rend.html,js=_yield$Templates$rend.js,_context4.next=8,Templates.replaceNodeContents(searchResultsContainer,html,js);case 8:case"end":return _context4.stop()}}),_callee4)}))),function(_x6,_x7){return _ref6.apply(this,arguments)}),toggleSearchResultsView=(_ref7=_asyncToGenerator(regeneratorRuntime.mark((function _callee5(modal,mappedModules,searchQuery){var modalBody,searchResultsContainer,chooserContainer,clearSearchButton,searchIcon,searchResultsData,searchResultItemsContainer,firstSearchResultItem;return regeneratorRuntime.wrap((function(_context5){for(;;)switch(_context5.prev=_context5.next){case 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activeSectionId=body.querySelector(_selectors.default.elements.activetab).getAttribute("href"),sectionChooserOptions=body.querySelector(_selectors.default.regions.getSectionChooserOptions(activeSectionId)),firstChooserOption=sectionChooserOptions.querySelector(_selectors.default.regions.chooserOption.container);return toggleFocusableChooserOption(firstChooserOption,!0),initChooserOptionsKeyboardNavigation(body,mappedModules,sectionChooserOptions,modal),body})).catch(),modal.getFooterPromise().then((function(footer){return footer[0]})).then((function(footer){return footer.addEventListener("click",footerClickListener),footer})).catch()}(modal,mappedModules,partialFavourite,footerData),function(modal,mappedModules){modal.getModal()[0].tabIndex=-1,modal.getBodyPromise().then((function(body){(0,_jquery.default)(_selectors.default.elements.tab).on("shown.bs.tab",(function(e){var activeSectionId=e.target.getAttribute("href"),activeSectionChooserOptions=body[0].querySelector(_selectors.default.regions.getSectionChooserOptions(activeSectionId)),firstChooserOption=activeSectionChooserOptions.querySelector(_selectors.default.regions.chooserOption.container),prevActiveSectionId=e.relatedTarget.getAttribute("href"),prevActiveSectionChooserOptions=body[0].querySelector(_selectors.default.regions.getSectionChooserOptions(prevActiveSectionId));disableFocusAllChooserOptions(prevActiveSectionChooserOptions),toggleFocusableChooserOption(firstChooserOption,!0),initChooserOptionsKeyboardNavigation(body[0],mappedModules,activeSectionChooserOptions,modal)}))})).catch(_notification.default.exception)}(modal,mappedModules),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal})).catch()}}));
+
+//# sourceMappingURL=dialogue.min.js.map
\ No newline at end of file
diff --git a/course/amd/build/local/activitychooser/dialogue.min.js.map b/course/amd/build/local/activitychooser/dialogue.min.js.map
index 3b17ee2f81d..123f4e032d7 100644
--- a/course/amd/build/local/activitychooser/dialogue.min.js.map
+++ b/course/amd/build/local/activitychooser/dialogue.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A type of dialogue used as for choosing options.\n *\n * @module     core_course/local/chooser/dialogue\n * @package    core\n * @copyright  2019 Mihail Geshoski <mihail@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport * as ModalEvents from 'core/modal_events';\nimport selectors from 'core_course/local/activitychooser/selectors';\nimport * as Templates from 'core/templates';\nimport {end, arrowLeft, arrowRight, home, enter, space} from 'core/key_codes';\nimport {addIconToContainer} from 'core/loadingicon';\nimport * as Repository from 'core_course/local/activitychooser/repository';\nimport Notification from 'core/notification';\nimport {debounce} from 'core/utils';\nconst getPlugin = pluginName => import(pluginName);\n\n/**\n * Given an event from the main module 'page' navigate to it's help section via a carousel.\n *\n * @method showModuleHelp\n * @param {jQuery} carousel Our initialized carousel to manipulate\n * @param {Object} moduleData Data of the module to carousel to\n * @param {jQuery} modal We need to figure out if the current modal has a footer.\n */\nconst showModuleHelp = (carousel, moduleData, modal = null) => {\n    // If we have a real footer then we need to change temporarily.\n    if (modal !== null && moduleData.showFooter === true) {\n        modal.setFooter(Templates.render('core_course/local/activitychooser/footer_partial', moduleData));\n    }\n    const help = carousel.find(selectors.regions.help)[0];\n    help.innerHTML = '';\n    help.classList.add('m-auto');\n\n    // Add a spinner.\n    const spinnerPromise = addIconToContainer(help);\n\n    // Used later...\n    let transitionPromiseResolver = null;\n    const transitionPromise = new Promise(resolve => {\n        transitionPromiseResolver = resolve;\n    });\n\n    // Build up the html & js ready to place into the help section.\n    const contentPromise = Templates.renderForPromise('core_course/local/activitychooser/help', moduleData);\n\n    // Wait for the content to be ready, and for the transition to be complet.\n    Promise.all([contentPromise, spinnerPromise, transitionPromise])\n        .then(([{html, js}]) => Templates.replaceNodeContents(help, html, js))\n        .then(() => {\n            help.querySelector(selectors.regions.chooserSummary.header).focus();\n            return help;\n        })\n        .catch(Notification.exception);\n\n    // Move to the next slide, and resolve the transition promise when it's done.\n    carousel.one('slid.bs.carousel', () => {\n        transitionPromiseResolver();\n    });\n    // Trigger the transition between 'pages'.\n    carousel.carousel('next');\n};\n\n/**\n * Given a user wants to change the favourite state of a module we either add or remove the status.\n * We also propergate this change across our map of modals.\n *\n * @method manageFavouriteState\n * @param {HTMLElement} modalBody The DOM node of the modal to manipulate\n * @param {HTMLElement} caller\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n */\nconst manageFavouriteState = async(modalBody, caller, partialFavourite) => {\n    const isFavourite = caller.dataset.favourited;\n    const id = caller.dataset.id;\n    const name = caller.dataset.name;\n    const internal = caller.dataset.internal;\n    // Switch on fave or not.\n    if (isFavourite === 'true') {\n        await Repository.unfavouriteModule(name, id);\n\n        partialFavourite(internal, false, modalBody);\n    } else {\n        await Repository.favouriteModule(name, id);\n\n        partialFavourite(internal, true, modalBody);\n    }\n\n};\n\n/**\n * Register chooser related event listeners.\n *\n * @method registerListenerEvents\n * @param {Promise} modal Our modal that we are working with\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n * @param {Object} footerData Our base footer object.\n */\nconst registerListenerEvents = (modal, mappedModules, partialFavourite, footerData) => {\n    const bodyClickListener = async(e) => {\n        if (e.target.closest(selectors.actions.optionActions.showSummary)) {\n            const carousel = $(modal.getBody()[0].querySelector(selectors.regions.carousel));\n\n            const module = e.target.closest(selectors.regions.chooserOption.container);\n            const moduleName = module.dataset.modname;\n            const moduleData = mappedModules.get(moduleName);\n            // We need to know if the overall modal has a footer so we know when to show a real / vs fake footer.\n            moduleData.showFooter = modal.hasFooterContent();\n            showModuleHelp(carousel, moduleData, modal);\n        }\n\n        if (e.target.closest(selectors.actions.optionActions.manageFavourite)) {\n            const caller = e.target.closest(selectors.actions.optionActions.manageFavourite);\n            await manageFavouriteState(modal.getBody()[0], caller, partialFavourite);\n            const activeSectionId = modal.getBody()[0].querySelector(selectors.elements.activetab).getAttribute(\"href\");\n            const sectionChooserOptions = modal.getBody()[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n            const firstChooserOption = sectionChooserOptions\n                .querySelector(selectors.regions.chooserOption.container);\n            toggleFocusableChooserOption(firstChooserOption, true);\n            initChooserOptionsKeyboardNavigation(modal.getBody()[0], mappedModules, sectionChooserOptions, modal);\n        }\n\n        // From the help screen go back to the module overview.\n        if (e.target.matches(selectors.actions.closeOption)) {\n            const carousel = $(modal.getBody()[0].querySelector(selectors.regions.carousel));\n\n            // Trigger the transition between 'pages'.\n            carousel.carousel('prev');\n            carousel.on('slid.bs.carousel', () => {\n                const allModules = modal.getBody()[0].querySelector(selectors.regions.modules);\n                const caller = allModules.querySelector(selectors.regions.getModuleSelector(e.target.dataset.modname));\n                caller.focus();\n            });\n        }\n\n        // The \"clear search\" button is triggered.\n        if (e.target.closest(selectors.actions.clearSearch)) {\n            // Clear the entered search query in the search bar and hide the search results container.\n            const searchInput = modal.getBody()[0].querySelector(selectors.actions.search);\n            searchInput.value = \"\";\n            searchInput.focus();\n            toggleSearchResultsView(modal, mappedModules, searchInput.value);\n        }\n    };\n\n    // We essentially have two types of footer.\n    // A fake one that is handled within the template for chooser_help and then all of the stuff for\n    // modal.footer. We need to ensure we know exactly what type of footer we are using so we know what we\n    // need to manage. The below code handles a real footer going to a mnet carousel item.\n    const footerClickListener = async(e) => {\n        if (footerData.footer === true) {\n            const footerjs = await getPlugin(footerData.customfooterjs);\n            await footerjs.footerClickListener(e, footerData, modal);\n        }\n    };\n\n    modal.getBodyPromise()\n\n    // The return value of getBodyPromise is a jquery object containing the body NodeElement.\n    .then(body => body[0])\n\n    // Set up the carousel.\n    .then(body => {\n        $(body.querySelector(selectors.regions.carousel))\n            .carousel({\n                interval: false,\n                pause: true,\n                keyboard: false\n            });\n\n        return body;\n    })\n\n    // Add the listener for clicks on the body.\n    .then(body => {\n        body.addEventListener('click', bodyClickListener);\n        return body;\n    })\n\n    // Add a listener for an input change in the activity chooser's search bar.\n    .then(body => {\n        const searchInput = body.querySelector(selectors.actions.search);\n        // The search input is triggered.\n        searchInput.addEventListener('input', debounce(() => {\n            // Display the search results.\n            toggleSearchResultsView(modal, mappedModules, searchInput.value);\n        }, 300));\n        return body;\n    })\n\n    // Register event listeners related to the keyboard navigation controls.\n    .then(body => {\n        // Get the active chooser options section.\n        const activeSectionId = body.querySelector(selectors.elements.activetab).getAttribute(\"href\");\n        const sectionChooserOptions = body.querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n        const firstChooserOption = sectionChooserOptions.querySelector(selectors.regions.chooserOption.container);\n\n        toggleFocusableChooserOption(firstChooserOption, true);\n        initChooserOptionsKeyboardNavigation(body, mappedModules, sectionChooserOptions, modal);\n\n        return body;\n    })\n    .catch();\n\n    modal.getFooterPromise()\n\n    // The return value of getBodyPromise is a jquery object containing the body NodeElement.\n    .then(footer => footer[0])\n    // Add the listener for clicks on the footer.\n    .then(footer => {\n        footer.addEventListener('click', footerClickListener);\n        return footer;\n    })\n    .catch();\n};\n\n/**\n * Initialise the keyboard navigation controls for the chooser options.\n *\n * @method initChooserOptionsKeyboardNavigation\n * @param {HTMLElement} body Our modal that we are working with\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {HTMLElement} chooserOptionsContainer The section that contains the chooser items\n * @param {Object} modal Our created modal for the section\n */\nconst initChooserOptionsKeyboardNavigation = (body, mappedModules, chooserOptionsContainer, modal = null) => {\n    const chooserOptions = chooserOptionsContainer.querySelectorAll(selectors.regions.chooserOption.container);\n\n    Array.from(chooserOptions).forEach((element) => {\n        return element.addEventListener('keydown', (e) => {\n\n            // Check for enter/ space triggers for showing the help.\n            if (e.keyCode === enter || e.keyCode === space) {\n                if (e.target.matches(selectors.actions.optionActions.showSummary)) {\n                    e.preventDefault();\n                    const module = e.target.closest(selectors.regions.chooserOption.container);\n                    const moduleName = module.dataset.modname;\n                    const moduleData = mappedModules.get(moduleName);\n                    const carousel = $(body.querySelector(selectors.regions.carousel));\n                    carousel.carousel({\n                        interval: false,\n                        pause: true,\n                        keyboard: false\n                    });\n\n                    // We need to know if the overall modal has a footer so we know when to show a real / vs fake footer.\n                    moduleData.showFooter = modal.hasFooterContent();\n                    showModuleHelp(carousel, moduleData, modal);\n                }\n            }\n\n            // Next.\n            if (e.keyCode === arrowRight) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const nextOption = currentOption.nextElementSibling;\n                const firstOption = chooserOptionsContainer.firstElementChild;\n                const toFocusOption = clickErrorHandler(nextOption, firstOption);\n                focusChooserOption(toFocusOption, currentOption);\n            }\n\n            // Previous.\n            if (e.keyCode === arrowLeft) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const previousOption = currentOption.previousElementSibling;\n                const lastOption = chooserOptionsContainer.lastElementChild;\n                const toFocusOption = clickErrorHandler(previousOption, lastOption);\n                focusChooserOption(toFocusOption, currentOption);\n            }\n\n            if (e.keyCode === home) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const firstOption = chooserOptionsContainer.firstElementChild;\n                focusChooserOption(firstOption, currentOption);\n            }\n\n            if (e.keyCode === end) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const lastOption = chooserOptionsContainer.lastElementChild;\n                focusChooserOption(lastOption, currentOption);\n            }\n        });\n    });\n};\n\n/**\n * Focus on a chooser option element and remove the previous chooser element from the focus order\n *\n * @method focusChooserOption\n * @param {HTMLElement} currentChooserOption The current chooser option element that we want to focus\n * @param {HTMLElement|null} previousChooserOption The previous focused option element\n */\nconst focusChooserOption = (currentChooserOption, previousChooserOption = null) => {\n    if (previousChooserOption !== null) {\n        toggleFocusableChooserOption(previousChooserOption, false);\n    }\n\n    toggleFocusableChooserOption(currentChooserOption, true);\n    currentChooserOption.focus();\n};\n\n/**\n * Add or remove a chooser option from the focus order.\n *\n * @method toggleFocusableChooserOption\n * @param {HTMLElement} chooserOption The chooser option element which should be added or removed from the focus order\n * @param {Boolean} isFocusable Whether the chooser element is focusable or not\n */\nconst toggleFocusableChooserOption = (chooserOption, isFocusable) => {\n    const chooserOptionLink = chooserOption.querySelector(selectors.actions.addChooser);\n    const chooserOptionHelp = chooserOption.querySelector(selectors.actions.optionActions.showSummary);\n    const chooserOptionFavourite = chooserOption.querySelector(selectors.actions.optionActions.manageFavourite);\n\n    if (isFocusable) {\n        // Set tabindex to 0 to add current chooser option element to the focus order.\n        chooserOption.tabIndex = 0;\n        chooserOptionLink.tabIndex = 0;\n        chooserOptionHelp.tabIndex = 0;\n        chooserOptionFavourite.tabIndex = 0;\n    } else {\n        // Set tabindex to -1 to remove the previous chooser option element from the focus order.\n        chooserOption.tabIndex = -1;\n        chooserOptionLink.tabIndex = -1;\n        chooserOptionHelp.tabIndex = -1;\n        chooserOptionFavourite.tabIndex = -1;\n    }\n};\n\n/**\n * Small error handling function to make sure the navigated to object exists\n *\n * @method clickErrorHandler\n * @param {HTMLElement} item What we want to check exists\n * @param {HTMLElement} fallback If we dont match anything fallback the focus\n * @return {HTMLElement}\n */\nconst clickErrorHandler = (item, fallback) => {\n    if (item !== null) {\n        return item;\n    } else {\n        return fallback;\n    }\n};\n\n/**\n * Render the search results in a defined container\n *\n * @method renderSearchResults\n * @param {HTMLElement} searchResultsContainer The container where the data should be rendered\n * @param {Object} searchResultsData Data containing the module items that satisfy the search criteria\n */\nconst renderSearchResults = async(searchResultsContainer, searchResultsData) => {\n    const templateData = {\n        'searchresultsnumber': searchResultsData.length,\n        'searchresults': searchResultsData\n    };\n    // Build up the html & js ready to place into the help section.\n    const {html, js} = await Templates.renderForPromise('core_course/local/activitychooser/search_results', templateData);\n    await Templates.replaceNodeContents(searchResultsContainer, html, js);\n};\n\n/**\n * Toggle (display/hide) the search results depending on the value of the search query\n *\n * @method toggleSearchResultsView\n * @param {Object} modal Our created modal for the section\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {String} searchQuery The search query\n */\nconst toggleSearchResultsView = async(modal, mappedModules, searchQuery) => {\n    const modalBody = modal.getBody()[0];\n    const searchResultsContainer = modalBody.querySelector(selectors.regions.searchResults);\n    const chooserContainer = modalBody.querySelector(selectors.regions.chooser);\n    const clearSearchButton = modalBody.querySelector(selectors.elements.clearsearch);\n    const searchIcon = modalBody.querySelector(selectors.elements.searchicon);\n\n    if (searchQuery.length > 0) { // Search query is present.\n        const searchResultsData = searchModules(mappedModules, searchQuery);\n        await renderSearchResults(searchResultsContainer, searchResultsData);\n        const searchResultItemsContainer = searchResultsContainer.querySelector(selectors.regions.searchResultItems);\n        const firstSearchResultItem = searchResultItemsContainer.querySelector(selectors.regions.chooserOption.container);\n        if (firstSearchResultItem) {\n            // Set the first result item to be focusable.\n            toggleFocusableChooserOption(firstSearchResultItem, true);\n            // Register keyboard events on the created search result items.\n            initChooserOptionsKeyboardNavigation(modalBody, mappedModules, searchResultItemsContainer, modal);\n        }\n        // Display the \"clear\" search button in the activity chooser search bar.\n        searchIcon.classList.add('d-none');\n        clearSearchButton.classList.remove('d-none');\n        // Hide the default chooser options container.\n        chooserContainer.setAttribute('hidden', 'hidden');\n        // Display the search results container.\n        searchResultsContainer.removeAttribute('hidden');\n    } else { // Search query is not present.\n        // Hide the \"clear\" search button in the activity chooser search bar.\n        clearSearchButton.classList.add('d-none');\n        searchIcon.classList.remove('d-none');\n        // Hide the search results container.\n        searchResultsContainer.setAttribute('hidden', 'hidden');\n        // Display the default chooser options container.\n        chooserContainer.removeAttribute('hidden');\n    }\n};\n\n/**\n * Return the list of modules which have a name or description that matches the given search term.\n *\n * @method searchModules\n * @param {Array} modules List of available modules\n * @param {String} searchTerm The search term to match\n * @return {Array}\n */\nconst searchModules = (modules, searchTerm) => {\n    if (searchTerm === '') {\n        return modules;\n    }\n    searchTerm = searchTerm.toLowerCase();\n    const searchResults = [];\n    modules.forEach((activity) => {\n        const activityName = activity.title.toLowerCase();\n        const activityDesc = activity.help.toLowerCase();\n        if (activityName.includes(searchTerm) || activityDesc.includes(searchTerm)) {\n            searchResults.push(activity);\n        }\n    });\n\n    return searchResults;\n};\n\n/**\n * Set up our tabindex information across the chooser.\n *\n * @method setupKeyboardAccessibility\n * @param {Promise} modal Our created modal for the section\n * @param {Map} mappedModules A map of all of the built module information\n */\nconst setupKeyboardAccessibility = (modal, mappedModules) => {\n    modal.getModal()[0].tabIndex = -1;\n\n    modal.getBodyPromise().then(body => {\n        $(selectors.elements.tab).on('shown.bs.tab', (e) => {\n            const activeSectionId = e.target.getAttribute(\"href\");\n            const activeSectionChooserOptions = body[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n            const firstChooserOption = activeSectionChooserOptions\n                .querySelector(selectors.regions.chooserOption.container);\n            const prevActiveSectionId = e.relatedTarget.getAttribute(\"href\");\n            const prevActiveSectionChooserOptions = body[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(prevActiveSectionId));\n\n            // Disable the focus of every chooser option in the previous active section.\n            disableFocusAllChooserOptions(prevActiveSectionChooserOptions);\n            // Enable the focus of the first chooser option in the current active section.\n            toggleFocusableChooserOption(firstChooserOption, true);\n            initChooserOptionsKeyboardNavigation(body[0], mappedModules, activeSectionChooserOptions, modal);\n        });\n        return;\n    }).catch(Notification.exception);\n};\n\n/**\n * Disable the focus of all chooser options in a specific container (section).\n *\n * @method disableFocusAllChooserOptions\n * @param {HTMLElement} sectionChooserOptions The section that contains the chooser items\n */\nconst disableFocusAllChooserOptions = (sectionChooserOptions) => {\n    const allChooserOptions = sectionChooserOptions.querySelectorAll(selectors.regions.chooserOption.container);\n    allChooserOptions.forEach((chooserOption) => {\n        toggleFocusableChooserOption(chooserOption, false);\n    });\n};\n\n/**\n * Display the module chooser.\n *\n * @method displayChooser\n * @param {Promise} modalPromise Our created modal for the section\n * @param {Array} sectionModules An array of all of the built module information\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n * @param {Object} footerData Our base footer object.\n */\nexport const displayChooser = (modalPromise, sectionModules, partialFavourite, footerData) => {\n    // Make a map so we can quickly fetch a specific module's object for either rendering or searching.\n    const mappedModules = new Map();\n    sectionModules.forEach((module) => {\n        mappedModules.set(module.componentname + '_' + module.link, module);\n    });\n\n    // Register event listeners.\n    modalPromise.then(modal => {\n        registerListenerEvents(modal, mappedModules, partialFavourite, footerData);\n\n        // We want to focus on the first chooser option element as soon as the modal is opened.\n        setupKeyboardAccessibility(modal, mappedModules);\n\n        // We want to focus on the action select when the dialog is closed.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            modal.destroy();\n        });\n\n        return modal;\n    }).catch();\n};\n"],"file":"dialogue.min.js"}
\ No newline at end of file
+{"version":3,"file":"dialogue.min.js","sources":["../../../src/local/activitychooser/dialogue.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A type of dialogue used as for choosing options.\n *\n * @module     core_course/local/chooser/dialogue\n * @package    core\n * @copyright  2019 Mihail Geshoski <mihail@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport * as ModalEvents from 'core/modal_events';\nimport selectors from 'core_course/local/activitychooser/selectors';\nimport * as Templates from 'core/templates';\nimport {end, arrowLeft, arrowRight, home, enter, space} from 'core/key_codes';\nimport {addIconToContainer} from 'core/loadingicon';\nimport * as Repository from 'core_course/local/activitychooser/repository';\nimport Notification from 'core/notification';\nimport {debounce} from 'core/utils';\nconst getPlugin = pluginName => import(pluginName);\n\n/**\n * Given an event from the main module 'page' navigate to it's help section via a carousel.\n *\n * @method showModuleHelp\n * @param {jQuery} carousel Our initialized carousel to manipulate\n * @param {Object} moduleData Data of the module to carousel to\n * @param {jQuery} modal We need to figure out if the current modal has a footer.\n */\nconst showModuleHelp = (carousel, moduleData, modal = null) => {\n    // If we have a real footer then we need to change temporarily.\n    if (modal !== null && moduleData.showFooter === true) {\n        modal.setFooter(Templates.render('core_course/local/activitychooser/footer_partial', moduleData));\n    }\n    const help = carousel.find(selectors.regions.help)[0];\n    help.innerHTML = '';\n    help.classList.add('m-auto');\n\n    // Add a spinner.\n    const spinnerPromise = addIconToContainer(help);\n\n    // Used later...\n    let transitionPromiseResolver = null;\n    const transitionPromise = new Promise(resolve => {\n        transitionPromiseResolver = resolve;\n    });\n\n    // Build up the html & js ready to place into the help section.\n    const contentPromise = Templates.renderForPromise('core_course/local/activitychooser/help', moduleData);\n\n    // Wait for the content to be ready, and for the transition to be complet.\n    Promise.all([contentPromise, spinnerPromise, transitionPromise])\n        .then(([{html, js}]) => Templates.replaceNodeContents(help, html, js))\n        .then(() => {\n            help.querySelector(selectors.regions.chooserSummary.header).focus();\n            return help;\n        })\n        .catch(Notification.exception);\n\n    // Move to the next slide, and resolve the transition promise when it's done.\n    carousel.one('slid.bs.carousel', () => {\n        transitionPromiseResolver();\n    });\n    // Trigger the transition between 'pages'.\n    carousel.carousel('next');\n};\n\n/**\n * Given a user wants to change the favourite state of a module we either add or remove the status.\n * We also propergate this change across our map of modals.\n *\n * @method manageFavouriteState\n * @param {HTMLElement} modalBody The DOM node of the modal to manipulate\n * @param {HTMLElement} caller\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n */\nconst manageFavouriteState = async(modalBody, caller, partialFavourite) => {\n    const isFavourite = caller.dataset.favourited;\n    const id = caller.dataset.id;\n    const name = caller.dataset.name;\n    const internal = caller.dataset.internal;\n    // Switch on fave or not.\n    if (isFavourite === 'true') {\n        await Repository.unfavouriteModule(name, id);\n\n        partialFavourite(internal, false, modalBody);\n    } else {\n        await Repository.favouriteModule(name, id);\n\n        partialFavourite(internal, true, modalBody);\n    }\n\n};\n\n/**\n * Register chooser related event listeners.\n *\n * @method registerListenerEvents\n * @param {Promise} modal Our modal that we are working with\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n * @param {Object} footerData Our base footer object.\n */\nconst registerListenerEvents = (modal, mappedModules, partialFavourite, footerData) => {\n    const bodyClickListener = async(e) => {\n        if (e.target.closest(selectors.actions.optionActions.showSummary)) {\n            const carousel = $(modal.getBody()[0].querySelector(selectors.regions.carousel));\n\n            const module = e.target.closest(selectors.regions.chooserOption.container);\n            const moduleName = module.dataset.modname;\n            const moduleData = mappedModules.get(moduleName);\n            // We need to know if the overall modal has a footer so we know when to show a real / vs fake footer.\n            moduleData.showFooter = modal.hasFooterContent();\n            showModuleHelp(carousel, moduleData, modal);\n        }\n\n        if (e.target.closest(selectors.actions.optionActions.manageFavourite)) {\n            const caller = e.target.closest(selectors.actions.optionActions.manageFavourite);\n            await manageFavouriteState(modal.getBody()[0], caller, partialFavourite);\n            const activeSectionId = modal.getBody()[0].querySelector(selectors.elements.activetab).getAttribute(\"href\");\n            const sectionChooserOptions = modal.getBody()[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n            const firstChooserOption = sectionChooserOptions\n                .querySelector(selectors.regions.chooserOption.container);\n            toggleFocusableChooserOption(firstChooserOption, true);\n            initChooserOptionsKeyboardNavigation(modal.getBody()[0], mappedModules, sectionChooserOptions, modal);\n        }\n\n        // From the help screen go back to the module overview.\n        if (e.target.matches(selectors.actions.closeOption)) {\n            const carousel = $(modal.getBody()[0].querySelector(selectors.regions.carousel));\n\n            // Trigger the transition between 'pages'.\n            carousel.carousel('prev');\n            carousel.on('slid.bs.carousel', () => {\n                const allModules = modal.getBody()[0].querySelector(selectors.regions.modules);\n                const caller = allModules.querySelector(selectors.regions.getModuleSelector(e.target.dataset.modname));\n                caller.focus();\n            });\n        }\n\n        // The \"clear search\" button is triggered.\n        if (e.target.closest(selectors.actions.clearSearch)) {\n            // Clear the entered search query in the search bar and hide the search results container.\n            const searchInput = modal.getBody()[0].querySelector(selectors.actions.search);\n            searchInput.value = \"\";\n            searchInput.focus();\n            toggleSearchResultsView(modal, mappedModules, searchInput.value);\n        }\n    };\n\n    // We essentially have two types of footer.\n    // A fake one that is handled within the template for chooser_help and then all of the stuff for\n    // modal.footer. We need to ensure we know exactly what type of footer we are using so we know what we\n    // need to manage. The below code handles a real footer going to a mnet carousel item.\n    const footerClickListener = async(e) => {\n        if (footerData.footer === true) {\n            const footerjs = await getPlugin(footerData.customfooterjs);\n            await footerjs.footerClickListener(e, footerData, modal);\n        }\n    };\n\n    modal.getBodyPromise()\n\n    // The return value of getBodyPromise is a jquery object containing the body NodeElement.\n    .then(body => body[0])\n\n    // Set up the carousel.\n    .then(body => {\n        $(body.querySelector(selectors.regions.carousel))\n            .carousel({\n                interval: false,\n                pause: true,\n                keyboard: false\n            });\n\n        return body;\n    })\n\n    // Add the listener for clicks on the body.\n    .then(body => {\n        body.addEventListener('click', bodyClickListener);\n        return body;\n    })\n\n    // Add a listener for an input change in the activity chooser's search bar.\n    .then(body => {\n        const searchInput = body.querySelector(selectors.actions.search);\n        // The search input is triggered.\n        searchInput.addEventListener('input', debounce(() => {\n            // Display the search results.\n            toggleSearchResultsView(modal, mappedModules, searchInput.value);\n        }, 300));\n        return body;\n    })\n\n    // Register event listeners related to the keyboard navigation controls.\n    .then(body => {\n        // Get the active chooser options section.\n        const activeSectionId = body.querySelector(selectors.elements.activetab).getAttribute(\"href\");\n        const sectionChooserOptions = body.querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n        const firstChooserOption = sectionChooserOptions.querySelector(selectors.regions.chooserOption.container);\n\n        toggleFocusableChooserOption(firstChooserOption, true);\n        initChooserOptionsKeyboardNavigation(body, mappedModules, sectionChooserOptions, modal);\n\n        return body;\n    })\n    .catch();\n\n    modal.getFooterPromise()\n\n    // The return value of getBodyPromise is a jquery object containing the body NodeElement.\n    .then(footer => footer[0])\n    // Add the listener for clicks on the footer.\n    .then(footer => {\n        footer.addEventListener('click', footerClickListener);\n        return footer;\n    })\n    .catch();\n};\n\n/**\n * Initialise the keyboard navigation controls for the chooser options.\n *\n * @method initChooserOptionsKeyboardNavigation\n * @param {HTMLElement} body Our modal that we are working with\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {HTMLElement} chooserOptionsContainer The section that contains the chooser items\n * @param {Object} modal Our created modal for the section\n */\nconst initChooserOptionsKeyboardNavigation = (body, mappedModules, chooserOptionsContainer, modal = null) => {\n    const chooserOptions = chooserOptionsContainer.querySelectorAll(selectors.regions.chooserOption.container);\n\n    Array.from(chooserOptions).forEach((element) => {\n        return element.addEventListener('keydown', (e) => {\n\n            // Check for enter/ space triggers for showing the help.\n            if (e.keyCode === enter || e.keyCode === space) {\n                if (e.target.matches(selectors.actions.optionActions.showSummary)) {\n                    e.preventDefault();\n                    const module = e.target.closest(selectors.regions.chooserOption.container);\n                    const moduleName = module.dataset.modname;\n                    const moduleData = mappedModules.get(moduleName);\n                    const carousel = $(body.querySelector(selectors.regions.carousel));\n                    carousel.carousel({\n                        interval: false,\n                        pause: true,\n                        keyboard: false\n                    });\n\n                    // We need to know if the overall modal has a footer so we know when to show a real / vs fake footer.\n                    moduleData.showFooter = modal.hasFooterContent();\n                    showModuleHelp(carousel, moduleData, modal);\n                }\n            }\n\n            // Next.\n            if (e.keyCode === arrowRight) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const nextOption = currentOption.nextElementSibling;\n                const firstOption = chooserOptionsContainer.firstElementChild;\n                const toFocusOption = clickErrorHandler(nextOption, firstOption);\n                focusChooserOption(toFocusOption, currentOption);\n            }\n\n            // Previous.\n            if (e.keyCode === arrowLeft) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const previousOption = currentOption.previousElementSibling;\n                const lastOption = chooserOptionsContainer.lastElementChild;\n                const toFocusOption = clickErrorHandler(previousOption, lastOption);\n                focusChooserOption(toFocusOption, currentOption);\n            }\n\n            if (e.keyCode === home) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const firstOption = chooserOptionsContainer.firstElementChild;\n                focusChooserOption(firstOption, currentOption);\n            }\n\n            if (e.keyCode === end) {\n                e.preventDefault();\n                const currentOption = e.target.closest(selectors.regions.chooserOption.container);\n                const lastOption = chooserOptionsContainer.lastElementChild;\n                focusChooserOption(lastOption, currentOption);\n            }\n        });\n    });\n};\n\n/**\n * Focus on a chooser option element and remove the previous chooser element from the focus order\n *\n * @method focusChooserOption\n * @param {HTMLElement} currentChooserOption The current chooser option element that we want to focus\n * @param {HTMLElement|null} previousChooserOption The previous focused option element\n */\nconst focusChooserOption = (currentChooserOption, previousChooserOption = null) => {\n    if (previousChooserOption !== null) {\n        toggleFocusableChooserOption(previousChooserOption, false);\n    }\n\n    toggleFocusableChooserOption(currentChooserOption, true);\n    currentChooserOption.focus();\n};\n\n/**\n * Add or remove a chooser option from the focus order.\n *\n * @method toggleFocusableChooserOption\n * @param {HTMLElement} chooserOption The chooser option element which should be added or removed from the focus order\n * @param {Boolean} isFocusable Whether the chooser element is focusable or not\n */\nconst toggleFocusableChooserOption = (chooserOption, isFocusable) => {\n    const chooserOptionLink = chooserOption.querySelector(selectors.actions.addChooser);\n    const chooserOptionHelp = chooserOption.querySelector(selectors.actions.optionActions.showSummary);\n    const chooserOptionFavourite = chooserOption.querySelector(selectors.actions.optionActions.manageFavourite);\n\n    if (isFocusable) {\n        // Set tabindex to 0 to add current chooser option element to the focus order.\n        chooserOption.tabIndex = 0;\n        chooserOptionLink.tabIndex = 0;\n        chooserOptionHelp.tabIndex = 0;\n        chooserOptionFavourite.tabIndex = 0;\n    } else {\n        // Set tabindex to -1 to remove the previous chooser option element from the focus order.\n        chooserOption.tabIndex = -1;\n        chooserOptionLink.tabIndex = -1;\n        chooserOptionHelp.tabIndex = -1;\n        chooserOptionFavourite.tabIndex = -1;\n    }\n};\n\n/**\n * Small error handling function to make sure the navigated to object exists\n *\n * @method clickErrorHandler\n * @param {HTMLElement} item What we want to check exists\n * @param {HTMLElement} fallback If we dont match anything fallback the focus\n * @return {HTMLElement}\n */\nconst clickErrorHandler = (item, fallback) => {\n    if (item !== null) {\n        return item;\n    } else {\n        return fallback;\n    }\n};\n\n/**\n * Render the search results in a defined container\n *\n * @method renderSearchResults\n * @param {HTMLElement} searchResultsContainer The container where the data should be rendered\n * @param {Object} searchResultsData Data containing the module items that satisfy the search criteria\n */\nconst renderSearchResults = async(searchResultsContainer, searchResultsData) => {\n    const templateData = {\n        'searchresultsnumber': searchResultsData.length,\n        'searchresults': searchResultsData\n    };\n    // Build up the html & js ready to place into the help section.\n    const {html, js} = await Templates.renderForPromise('core_course/local/activitychooser/search_results', templateData);\n    await Templates.replaceNodeContents(searchResultsContainer, html, js);\n};\n\n/**\n * Toggle (display/hide) the search results depending on the value of the search query\n *\n * @method toggleSearchResultsView\n * @param {Object} modal Our created modal for the section\n * @param {Map} mappedModules A map of all of the modules we are working with with K: mod_name V: {Object}\n * @param {String} searchQuery The search query\n */\nconst toggleSearchResultsView = async(modal, mappedModules, searchQuery) => {\n    const modalBody = modal.getBody()[0];\n    const searchResultsContainer = modalBody.querySelector(selectors.regions.searchResults);\n    const chooserContainer = modalBody.querySelector(selectors.regions.chooser);\n    const clearSearchButton = modalBody.querySelector(selectors.elements.clearsearch);\n    const searchIcon = modalBody.querySelector(selectors.elements.searchicon);\n\n    if (searchQuery.length > 0) { // Search query is present.\n        const searchResultsData = searchModules(mappedModules, searchQuery);\n        await renderSearchResults(searchResultsContainer, searchResultsData);\n        const searchResultItemsContainer = searchResultsContainer.querySelector(selectors.regions.searchResultItems);\n        const firstSearchResultItem = searchResultItemsContainer.querySelector(selectors.regions.chooserOption.container);\n        if (firstSearchResultItem) {\n            // Set the first result item to be focusable.\n            toggleFocusableChooserOption(firstSearchResultItem, true);\n            // Register keyboard events on the created search result items.\n            initChooserOptionsKeyboardNavigation(modalBody, mappedModules, searchResultItemsContainer, modal);\n        }\n        // Display the \"clear\" search button in the activity chooser search bar.\n        searchIcon.classList.add('d-none');\n        clearSearchButton.classList.remove('d-none');\n        // Hide the default chooser options container.\n        chooserContainer.setAttribute('hidden', 'hidden');\n        // Display the search results container.\n        searchResultsContainer.removeAttribute('hidden');\n    } else { // Search query is not present.\n        // Hide the \"clear\" search button in the activity chooser search bar.\n        clearSearchButton.classList.add('d-none');\n        searchIcon.classList.remove('d-none');\n        // Hide the search results container.\n        searchResultsContainer.setAttribute('hidden', 'hidden');\n        // Display the default chooser options container.\n        chooserContainer.removeAttribute('hidden');\n    }\n};\n\n/**\n * Return the list of modules which have a name or description that matches the given search term.\n *\n * @method searchModules\n * @param {Array} modules List of available modules\n * @param {String} searchTerm The search term to match\n * @return {Array}\n */\nconst searchModules = (modules, searchTerm) => {\n    if (searchTerm === '') {\n        return modules;\n    }\n    searchTerm = searchTerm.toLowerCase();\n    const searchResults = [];\n    modules.forEach((activity) => {\n        const activityName = activity.title.toLowerCase();\n        const activityDesc = activity.help.toLowerCase();\n        if (activityName.includes(searchTerm) || activityDesc.includes(searchTerm)) {\n            searchResults.push(activity);\n        }\n    });\n\n    return searchResults;\n};\n\n/**\n * Set up our tabindex information across the chooser.\n *\n * @method setupKeyboardAccessibility\n * @param {Promise} modal Our created modal for the section\n * @param {Map} mappedModules A map of all of the built module information\n */\nconst setupKeyboardAccessibility = (modal, mappedModules) => {\n    modal.getModal()[0].tabIndex = -1;\n\n    modal.getBodyPromise().then(body => {\n        $(selectors.elements.tab).on('shown.bs.tab', (e) => {\n            const activeSectionId = e.target.getAttribute(\"href\");\n            const activeSectionChooserOptions = body[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(activeSectionId));\n            const firstChooserOption = activeSectionChooserOptions\n                .querySelector(selectors.regions.chooserOption.container);\n            const prevActiveSectionId = e.relatedTarget.getAttribute(\"href\");\n            const prevActiveSectionChooserOptions = body[0]\n                .querySelector(selectors.regions.getSectionChooserOptions(prevActiveSectionId));\n\n            // Disable the focus of every chooser option in the previous active section.\n            disableFocusAllChooserOptions(prevActiveSectionChooserOptions);\n            // Enable the focus of the first chooser option in the current active section.\n            toggleFocusableChooserOption(firstChooserOption, true);\n            initChooserOptionsKeyboardNavigation(body[0], mappedModules, activeSectionChooserOptions, modal);\n        });\n        return;\n    }).catch(Notification.exception);\n};\n\n/**\n * Disable the focus of all chooser options in a specific container (section).\n *\n * @method disableFocusAllChooserOptions\n * @param {HTMLElement} sectionChooserOptions The section that contains the chooser items\n */\nconst disableFocusAllChooserOptions = (sectionChooserOptions) => {\n    const allChooserOptions = sectionChooserOptions.querySelectorAll(selectors.regions.chooserOption.container);\n    allChooserOptions.forEach((chooserOption) => {\n        toggleFocusableChooserOption(chooserOption, false);\n    });\n};\n\n/**\n * Display the module chooser.\n *\n * @method displayChooser\n * @param {Promise} modalPromise Our created modal for the section\n * @param {Array} sectionModules An array of all of the built module information\n * @param {Function} partialFavourite Partially applied function we need to manage favourite status\n * @param {Object} footerData Our base footer object.\n */\nexport const displayChooser = (modalPromise, sectionModules, partialFavourite, footerData) => {\n    // Make a map so we can quickly fetch a specific module's object for either rendering or searching.\n    const mappedModules = new Map();\n    sectionModules.forEach((module) => {\n        mappedModules.set(module.componentname + '_' + module.link, module);\n    });\n\n    // Register event listeners.\n    modalPromise.then(modal => {\n        registerListenerEvents(modal, mappedModules, partialFavourite, footerData);\n\n        // We want to focus on the first chooser option element as soon as the modal is opened.\n        setupKeyboardAccessibility(modal, mappedModules);\n\n        // We want to focus on the action select when the dialog is closed.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            modal.destroy();\n        });\n\n        return modal;\n    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\ No newline at end of file
diff --git a/course/amd/build/local/activitychooser/repository.min.js b/course/amd/build/local/activitychooser/repository.min.js
index 20afce49721..b06df50036e 100644
--- a/course/amd/build/local/activitychooser/repository.min.js
+++ b/course/amd/build/local/activitychooser/repository.min.js
@@ -1,2 +1,10 @@
-define ("core_course/local/activitychooser/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.unfavouriteModule=a.fetchFooterData=a.favouriteModule=a.activityModules=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(a){return b.default.call([{methodname:"core_course_get_course_content_items",args:{courseid:a}}])[0]};a.activityModules=c;var d=function(a,c){return b.default.call([{methodname:"core_course_add_content_item_to_user_favourites",args:{componentname:a,contentitemid:c}}])[0]};a.favouriteModule=d;var e=function(a,c){return b.default.call([{methodname:"core_course_remove_content_item_from_user_favourites",args:{componentname:a,contentitemid:c}}])[0]};a.unfavouriteModule=e;var f=function(a,c){return b.default.call([{methodname:"core_course_get_activity_chooser_footer",args:{courseid:a,sectionid:c}}])[0]};a.fetchFooterData=f});
-//# sourceMappingURL=repository.min.js.map
+define("core_course/local/activitychooser/repository",["exports","core/ajax"],(function(_exports,_ajax){var obj;
+/**
+   *
+   * @module     core_course/repository
+   * @package    core_course
+   * @copyright  2019 Mathew May <mathew.solutions>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.unfavouriteModule=_exports.fetchFooterData=_exports.favouriteModule=_exports.activityModules=void 0,_ajax=(obj=_ajax)&&obj.__esModule?obj:{default:obj};_exports.activityModules=function(courseid){var request={methodname:"core_course_get_course_content_items",args:{courseid:courseid}};return _ajax.default.call([request])[0]};_exports.favouriteModule=function(modName,modID){var request={methodname:"core_course_add_content_item_to_user_favourites",args:{componentname:modName,contentitemid:modID}};return _ajax.default.call([request])[0]};_exports.unfavouriteModule=function(modName,modID){var request={methodname:"core_course_remove_content_item_from_user_favourites",args:{componentname:modName,contentitemid:modID}};return _ajax.default.call([request])[0]};_exports.fetchFooterData=function(courseid,sectionid){var request={methodname:"core_course_get_activity_chooser_footer",args:{courseid:courseid,sectionid:sectionid}};return _ajax.default.call([request])[0]}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/course/amd/build/local/activitychooser/repository.min.js.map b/course/amd/build/local/activitychooser/repository.min.js.map
index 0469db64b55..6fe151c7e2d 100644
--- a/course/amd/build/local/activitychooser/repository.min.js.map
+++ b/course/amd/build/local/activitychooser/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/local/activitychooser/repository.js"],"names":["activityModules","courseid","ajax","call","methodname","args","favouriteModule","modName","modID","componentname","contentitemid","unfavouriteModule","fetchFooterData","sectionid"],"mappings":"4OAsBA,uDASO,GAAMA,CAAAA,CAAe,CAAG,SAACC,CAAD,CAAc,CAOzC,MAAOC,WAAKC,IAAL,CAAU,CAND,CACZC,UAAU,CAAE,sCADA,CAEZC,IAAI,CAAE,CACFJ,QAAQ,CAAEA,CADR,CAFM,CAMC,CAAV,EAAqB,CAArB,CACV,CARM,C,oBAmBA,GAAMK,CAAAA,CAAe,CAAG,SAACC,CAAD,CAAUC,CAAV,CAAoB,CAQ/C,MAAON,WAAKC,IAAL,CAAU,CAPD,CACZC,UAAU,CAAE,iDADA,CAEZC,IAAI,CAAE,CACFI,aAAa,CAAEF,CADb,CAEFG,aAAa,CAAEF,CAFb,CAFM,CAOC,CAAV,EAAqB,CAArB,CACV,CATM,C,oBAoBA,GAAMG,CAAAA,CAAiB,CAAG,SAACJ,CAAD,CAAUC,CAAV,CAAoB,CAQjD,MAAON,WAAKC,IAAL,CAAU,CAPD,CACZC,UAAU,CAAE,sDADA,CAEZC,IAAI,CAAE,CACFI,aAAa,CAAEF,CADb,CAEFG,aAAa,CAAEF,CAFb,CAFM,CAOC,CAAV,EAAqB,CAArB,CACV,CATM,C,sBAmBA,GAAMI,CAAAA,CAAe,CAAG,SAACX,CAAD,CAAWY,CAAX,CAAyB,CAQpD,MAAOX,WAAKC,IAAL,CAAU,CAPD,CACZC,UAAU,CAAE,yCADA,CAEZC,IAAI,CAAE,CACFJ,QAAQ,CAAEA,CADR,CAEFY,SAAS,CAAEA,CAFT,CAFM,CAOC,CAAV,EAAqB,CAArB,CACV,CATM,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n *\n * @module     core_course/repository\n * @package    core_course\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport ajax from 'core/ajax';\n\n/**\n * Fetch all the information on modules we'll need in the activity chooser.\n *\n * @method activityModules\n * @param {Number} courseid What course to fetch the modules for\n * @return {object} jQuery promise\n */\nexport const activityModules = (courseid) => {\n    const request = {\n        methodname: 'core_course_get_course_content_items',\n        args: {\n            courseid: courseid,\n        },\n    };\n    return ajax.call([request])[0];\n};\n\n/**\n * Given a module name, module ID & the current course we want to specify that the module\n * is a users' favourite.\n *\n * @method favouriteModule\n * @param {String} modName Frankenstyle name of the component to add favourite\n * @param {int} modID ID of the module. Mainly for LTI cases where they have same / similar names\n * @return {object} jQuery promise\n */\nexport const favouriteModule = (modName, modID) => {\n    const request = {\n        methodname: 'core_course_add_content_item_to_user_favourites',\n        args: {\n            componentname: modName,\n            contentitemid: modID,\n        },\n    };\n    return ajax.call([request])[0];\n};\n\n/**\n * Given a module name, module ID & the current course we want to specify that the module\n * is no longer a users' favourite.\n *\n * @method unfavouriteModule\n * @param {String} modName Frankenstyle name of the component to add favourite\n * @param {int} modID ID of the module. Mainly for LTI cases where they have same / similar names\n * @return {object} jQuery promise\n */\nexport const unfavouriteModule = (modName, modID) => {\n    const request = {\n        methodname: 'core_course_remove_content_item_from_user_favourites',\n        args: {\n            componentname: modName,\n            contentitemid: modID,\n        },\n    };\n    return ajax.call([request])[0];\n};\n\n/**\n * Fetch all the information on modules we'll need in the activity chooser.\n *\n * @method fetchFooterData\n * @param {Number} courseid What course to fetch the data for\n * @param {Number} sectionid What section to fetch the data for\n * @return {object} jQuery promise\n */\nexport const fetchFooterData = (courseid, sectionid) => {\n    const request = {\n        methodname: 'core_course_get_activity_chooser_footer',\n        args: {\n            courseid: courseid,\n            sectionid: sectionid,\n        },\n    };\n    return ajax.call([request])[0];\n};\n"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../../../src/local/activitychooser/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n *\n * @module     core_course/repository\n * @package    core_course\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport ajax from 'core/ajax';\n\n/**\n * Fetch all the information on modules we'll need in the activity chooser.\n *\n * @method activityModules\n * @param {Number} courseid What course to fetch the modules for\n * @return {object} jQuery promise\n */\nexport const activityModules = (courseid) => {\n    const request = {\n        methodname: 'core_course_get_course_content_items',\n        args: {\n            courseid: courseid,\n        },\n    };\n    return ajax.call([request])[0];\n};\n\n/**\n * Given a module name, module ID & the current course we want to specify that the module\n * is a users' favourite.\n *\n * @method favouriteModule\n * @param {String} modName Frankenstyle name of the component to add favourite\n * @param {int} modID ID of the module. Mainly for LTI cases where they have same / similar names\n * @return {object} jQuery promise\n */\nexport const favouriteModule = (modName, modID) => {\n    const request = {\n        methodname: 'core_course_add_content_item_to_user_favourites',\n        args: {\n            componentname: modName,\n            contentitemid: modID,\n        },\n    };\n    return ajax.call([request])[0];\n};\n\n/**\n * Given a module name, module ID & the current course we want to specify that the module\n * is no longer a users' favourite.\n *\n * @method unfavouriteModule\n * @param {String} modName Frankenstyle name of the component to add favourite\n * @param {int} modID ID of the module. Mainly for LTI cases where they have same / similar names\n * @return {object} jQuery promise\n */\nexport const unfavouriteModule = (modName, modID) => {\n    const request = {\n        methodname: 'core_course_remove_content_item_from_user_favourites',\n        args: {\n            componentname: modName,\n            contentitemid: modID,\n        },\n    };\n    return ajax.call([request])[0];\n};\n\n/**\n * Fetch all the information on modules we'll need in the activity chooser.\n *\n * @method fetchFooterData\n * @param {Number} courseid What course to fetch the data for\n * @param {Number} sectionid What section to fetch the data for\n * @return {object} jQuery promise\n */\nexport const fetchFooterData = (courseid, sectionid) => {\n    const request = {\n        methodname: 'core_course_get_activity_chooser_footer',\n        args: {\n            courseid: courseid,\n            sectionid: sectionid,\n        },\n    };\n    return ajax.call([request])[0];\n};\n"],"names":["courseid","request","methodname","args","ajax","call","modName","modID","componentname","contentitemid","sectionid"],"mappings":";;;;;;;uPA+B+B,SAACA,cACtBC,QAAU,CACZC,WAAY,uCACZC,KAAM,CACFH,SAAUA,kBAGXI,cAAKC,KAAK,CAACJ,UAAU,6BAYD,SAACK,QAASC,WAC/BN,QAAU,CACZC,WAAY,kDACZC,KAAM,CACFK,cAAeF,QACfG,cAAeF,eAGhBH,cAAKC,KAAK,CAACJ,UAAU,+BAYC,SAACK,QAASC,WACjCN,QAAU,CACZC,WAAY,uDACZC,KAAM,CACFK,cAAeF,QACfG,cAAeF,eAGhBH,cAAKC,KAAK,CAACJ,UAAU,6BAWD,SAACD,SAAUU,eAChCT,QAAU,CACZC,WAAY,0CACZC,KAAM,CACFH,SAAUA,SACVU,UAAWA,mBAGZN,cAAKC,KAAK,CAACJ,UAAU"}
\ No newline at end of file
diff --git a/course/amd/build/local/activitychooser/selectors.min.js b/course/amd/build/local/activitychooser/selectors.min.js
index 3b45de5f3c4..ca7e67485a3 100644
--- a/course/amd/build/local/activitychooser/selectors.min.js
+++ b/course/amd/build/local/activitychooser/selectors.min.js
@@ -1,2 +1,12 @@
-define ("core_course/local/activitychooser/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b=function(a,b){return"[data-".concat(a,"=\"").concat(b,"\"]")},c={regions:{chooser:b("region","chooser-container"),getSectionChooserOptions:function getSectionChooserOptions(a){return"".concat(a," ").concat(b("region","chooser-options-container"))},chooserOption:{container:b("region","chooser-option-container"),actions:b("region","chooser-option-actions-container"),info:b("region","chooser-option-info-container")},chooserSummary:{container:b("region","chooser-option-summary-container"),content:b("region","chooser-option-summary-content-container"),header:b("region","summary-header"),actions:b("region","chooser-option-summary-actions-container")},carousel:b("region","carousel"),help:b("region","help"),modules:b("region","modules"),favouriteTabNav:b("region","favourite-tab-nav"),defaultTabNav:b("region","default-tab-nav"),activityTabNav:b("region","activity-tab-nav"),favouriteTab:b("region","favourites"),recommendedTab:b("region","recommended"),defaultTab:b("region","default"),activityTab:b("region","activity"),resourceTab:b("region","resources"),getModuleSelector:function getModuleSelector(a){return"[role=\"menuitem\"][data-modname=\"".concat(a,"\"]")},searchResults:b("region","search-results-container"),searchResultItems:b("region","search-result-items-container")},actions:{optionActions:{showSummary:b("action","show-option-summary"),manageFavourite:b("action","manage-module-favourite")},addChooser:b("action","add-chooser-option"),closeOption:b("action","close-chooser-option-summary"),hide:b("action","hide"),search:b("action","search"),clearSearch:b("action","clearsearch")},render:{favourites:b("render","favourites-area")},elements:{section:".section",sectionmodchooser:"button.section-modchooser-link",sitemenu:".block_site_main_menu",sitetopic:"div.sitetopic",tab:"a[data-toggle=\"tab\"]",activetab:"a[data-toggle=\"tab\"][aria-selected=\"true\"]",visibletabs:"a[data-toggle=\"tab\"]:not(.d-none)",searchicon:".input-group-append .search-icon",clearsearch:".input-group-append .clear"}};a.default=c;return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("core_course/local/activitychooser/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Define all of the selectors we will be using on the grading interface.
+   *
+   * @module     core_course/local/chooser/selectors
+   * @package    core_course
+   * @copyright  2019 Mathew May <mathew.solutions>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var getDataSelector=function(name,value){return"[data-".concat(name,'="').concat(value,'"]')},_default={regions:{chooser:getDataSelector("region","chooser-container"),getSectionChooserOptions:function(containerid){return"".concat(containerid," ").concat(getDataSelector("region","chooser-options-container"))},chooserOption:{container:getDataSelector("region","chooser-option-container"),actions:getDataSelector("region","chooser-option-actions-container"),info:getDataSelector("region","chooser-option-info-container")},chooserSummary:{container:getDataSelector("region","chooser-option-summary-container"),content:getDataSelector("region","chooser-option-summary-content-container"),header:getDataSelector("region","summary-header"),actions:getDataSelector("region","chooser-option-summary-actions-container")},carousel:getDataSelector("region","carousel"),help:getDataSelector("region","help"),modules:getDataSelector("region","modules"),favouriteTabNav:getDataSelector("region","favourite-tab-nav"),defaultTabNav:getDataSelector("region","default-tab-nav"),activityTabNav:getDataSelector("region","activity-tab-nav"),favouriteTab:getDataSelector("region","favourites"),recommendedTab:getDataSelector("region","recommended"),defaultTab:getDataSelector("region","default"),activityTab:getDataSelector("region","activity"),resourceTab:getDataSelector("region","resources"),getModuleSelector:function(modname){return'[role="menuitem"][data-modname="'.concat(modname,'"]')},searchResults:getDataSelector("region","search-results-container"),searchResultItems:getDataSelector("region","search-result-items-container")},actions:{optionActions:{showSummary:getDataSelector("action","show-option-summary"),manageFavourite:getDataSelector("action","manage-module-favourite")},addChooser:getDataSelector("action","add-chooser-option"),closeOption:getDataSelector("action","close-chooser-option-summary"),hide:getDataSelector("action","hide"),search:getDataSelector("action","search"),clearSearch:getDataSelector("action","clearsearch")},render:{favourites:getDataSelector("render","favourites-area")},elements:{section:".section",sectionmodchooser:"button.section-modchooser-link",sitemenu:".block_site_main_menu",sitetopic:"div.sitetopic",tab:'a[data-toggle="tab"]',activetab:'a[data-toggle="tab"][aria-selected="true"]',visibletabs:'a[data-toggle="tab"]:not(.d-none)',searchicon:".input-group-append .search-icon",clearsearch:".input-group-append .clear"}};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/course/amd/build/local/activitychooser/selectors.min.js.map b/course/amd/build/local/activitychooser/selectors.min.js.map
index 8754f223b56..65dc2d8327c 100644
--- a/course/amd/build/local/activitychooser/selectors.min.js.map
+++ b/course/amd/build/local/activitychooser/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/local/activitychooser/selectors.js"],"names":["getDataSelector","name","value","regions","chooser","getSectionChooserOptions","containerid","chooserOption","container","actions","info","chooserSummary","content","header","carousel","help","modules","favouriteTabNav","defaultTabNav","activityTabNav","favouriteTab","recommendedTab","defaultTab","activityTab","resourceTab","getModuleSelector","modname","searchResults","searchResultItems","optionActions","showSummary","manageFavourite","addChooser","closeOption","hide","search","clearSearch","render","favourites","elements","section","sectionmodchooser","sitemenu","sitetopic","tab","activetab","visibletabs","searchicon","clearsearch"],"mappings":"gKA+BMA,CAAAA,CAAe,CAAG,SAACC,CAAD,CAAOC,CAAP,CAAiB,CACrC,sBAAgBD,CAAhB,eAAyBC,CAAzB,OACH,C,GAEc,CACXC,OAAO,CAAE,CACLC,OAAO,CAAEJ,CAAe,CAAC,QAAD,CAAW,mBAAX,CADnB,CAELK,wBAAwB,CAAE,kCAAAC,CAAW,kBAAOA,CAAP,aAAsBN,CAAe,CAAC,QAAD,CAAW,2BAAX,CAArC,EAFhC,CAGLO,aAAa,CAAE,CACXC,SAAS,CAAER,CAAe,CAAC,QAAD,CAAW,0BAAX,CADf,CAEXS,OAAO,CAAET,CAAe,CAAC,QAAD,CAAW,kCAAX,CAFb,CAGXU,IAAI,CAAEV,CAAe,CAAC,QAAD,CAAW,+BAAX,CAHV,CAHV,CAQLW,cAAc,CAAE,CACZH,SAAS,CAAER,CAAe,CAAC,QAAD,CAAW,kCAAX,CADd,CAEZY,OAAO,CAAEZ,CAAe,CAAC,QAAD,CAAW,0CAAX,CAFZ,CAGZa,MAAM,CAAEb,CAAe,CAAC,QAAD,CAAW,gBAAX,CAHX,CAIZS,OAAO,CAAET,CAAe,CAAC,QAAD,CAAW,0CAAX,CAJZ,CARX,CAcLc,QAAQ,CAAEd,CAAe,CAAC,QAAD,CAAW,UAAX,CAdpB,CAeLe,IAAI,CAAEf,CAAe,CAAC,QAAD,CAAW,MAAX,CAfhB,CAgBLgB,OAAO,CAAEhB,CAAe,CAAC,QAAD,CAAW,SAAX,CAhBnB,CAiBLiB,eAAe,CAAEjB,CAAe,CAAC,QAAD,CAAW,mBAAX,CAjB3B,CAkBLkB,aAAa,CAAElB,CAAe,CAAC,QAAD,CAAW,iBAAX,CAlBzB,CAmBLmB,cAAc,CAAEnB,CAAe,CAAC,QAAD,CAAW,kBAAX,CAnB1B,CAoBLoB,YAAY,CAAEpB,CAAe,CAAC,QAAD,CAAW,YAAX,CApBxB,CAqBLqB,cAAc,CAAErB,CAAe,CAAC,QAAD,CAAW,aAAX,CArB1B,CAsBLsB,UAAU,CAAEtB,CAAe,CAAC,QAAD,CAAW,SAAX,CAtBtB,CAuBLuB,WAAW,CAAEvB,CAAe,CAAC,QAAD,CAAW,UAAX,CAvBvB,CAwBLwB,WAAW,CAAExB,CAAe,CAAC,QAAD,CAAW,WAAX,CAxBvB,CAyBLyB,iBAAiB,CAAE,2BAAAC,CAAO,qDAAuCA,CAAvC,QAzBrB,CA0BLC,aAAa,CAAE3B,CAAe,CAAC,QAAD,CAAW,0BAAX,CA1BzB,CA2BL4B,iBAAiB,CAAE5B,CAAe,CAAC,QAAD,CAAW,+BAAX,CA3B7B,CADE,CA8BXS,OAAO,CAAE,CACLoB,aAAa,CAAE,CACXC,WAAW,CAAE9B,CAAe,CAAC,QAAD,CAAW,qBAAX,CADjB,CAEX+B,eAAe,CAAE/B,CAAe,CAAC,QAAD,CAAW,yBAAX,CAFrB,CADV,CAKLgC,UAAU,CAAEhC,CAAe,CAAC,QAAD,CAAW,oBAAX,CALtB,CAMLiC,WAAW,CAAEjC,CAAe,CAAC,QAAD,CAAW,8BAAX,CANvB,CAOLkC,IAAI,CAAElC,CAAe,CAAC,QAAD,CAAW,MAAX,CAPhB,CAQLmC,MAAM,CAAEnC,CAAe,CAAC,QAAD,CAAW,QAAX,CARlB,CASLoC,WAAW,CAAEpC,CAAe,CAAC,QAAD,CAAW,aAAX,CATvB,CA9BE,CAyCXqC,MAAM,CAAE,CACJC,UAAU,CAAEtC,CAAe,CAAC,QAAD,CAAW,iBAAX,CADvB,CAzCG,CA4CXuC,QAAQ,CAAE,CACNC,OAAO,CAAE,UADH,CAENC,iBAAiB,CAAE,gCAFb,CAGNC,QAAQ,CAAE,uBAHJ,CAINC,SAAS,CAAE,eAJL,CAKNC,GAAG,CAAE,wBALC,CAMNC,SAAS,CAAE,gDANL,CAONC,WAAW,CAAE,qCAPP,CAQNC,UAAU,CAAE,kCARN,CASNC,WAAW,CAAE,4BATP,CA5CC,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the grading interface.\n *\n * @module     core_course/local/chooser/selectors\n * @package    core_course\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * A small helper function to build queryable data selectors.\n * @method getDataSelector\n * @param {String} name\n * @param {String} value\n * @return {string}\n */\nconst getDataSelector = (name, value) => {\n    return `[data-${name}=\"${value}\"]`;\n};\n\nexport default {\n    regions: {\n        chooser: getDataSelector('region', 'chooser-container'),\n        getSectionChooserOptions: containerid => `${containerid} ${getDataSelector('region', 'chooser-options-container')}`,\n        chooserOption: {\n            container: getDataSelector('region', 'chooser-option-container'),\n            actions: getDataSelector('region', 'chooser-option-actions-container'),\n            info: getDataSelector('region', 'chooser-option-info-container'),\n        },\n        chooserSummary: {\n            container: getDataSelector('region', 'chooser-option-summary-container'),\n            content: getDataSelector('region', 'chooser-option-summary-content-container'),\n            header: getDataSelector('region', 'summary-header'),\n            actions: getDataSelector('region', 'chooser-option-summary-actions-container'),\n        },\n        carousel: getDataSelector('region', 'carousel'),\n        help: getDataSelector('region', 'help'),\n        modules: getDataSelector('region', 'modules'),\n        favouriteTabNav: getDataSelector('region', 'favourite-tab-nav'),\n        defaultTabNav: getDataSelector('region', 'default-tab-nav'),\n        activityTabNav: getDataSelector('region', 'activity-tab-nav'),\n        favouriteTab: getDataSelector('region', 'favourites'),\n        recommendedTab: getDataSelector('region', 'recommended'),\n        defaultTab: getDataSelector('region', 'default'),\n        activityTab: getDataSelector('region', 'activity'),\n        resourceTab: getDataSelector('region', 'resources'),\n        getModuleSelector: modname => `[role=\"menuitem\"][data-modname=\"${modname}\"]`,\n        searchResults: getDataSelector('region', 'search-results-container'),\n        searchResultItems: getDataSelector('region', 'search-result-items-container'),\n    },\n    actions: {\n        optionActions: {\n            showSummary: getDataSelector('action', 'show-option-summary'),\n            manageFavourite: getDataSelector('action', 'manage-module-favourite'),\n        },\n        addChooser: getDataSelector('action', 'add-chooser-option'),\n        closeOption: getDataSelector('action', 'close-chooser-option-summary'),\n        hide: getDataSelector('action', 'hide'),\n        search: getDataSelector('action', 'search'),\n        clearSearch: getDataSelector('action', 'clearsearch'),\n    },\n    render: {\n        favourites: getDataSelector('render', 'favourites-area'),\n    },\n    elements: {\n        section: '.section',\n        sectionmodchooser: 'button.section-modchooser-link',\n        sitemenu: '.block_site_main_menu',\n        sitetopic: 'div.sitetopic',\n        tab: 'a[data-toggle=\"tab\"]',\n        activetab: 'a[data-toggle=\"tab\"][aria-selected=\"true\"]',\n        visibletabs: 'a[data-toggle=\"tab\"]:not(.d-none)',\n        searchicon: '.input-group-append .search-icon',\n        clearsearch: '.input-group-append .clear'\n    },\n};\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../../../src/local/activitychooser/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the grading interface.\n *\n * @module     core_course/local/chooser/selectors\n * @package    core_course\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * A small helper function to build queryable data selectors.\n * @method getDataSelector\n * @param {String} name\n * @param {String} value\n * @return {string}\n */\nconst getDataSelector = (name, value) => {\n    return `[data-${name}=\"${value}\"]`;\n};\n\nexport default {\n    regions: {\n        chooser: getDataSelector('region', 'chooser-container'),\n        getSectionChooserOptions: containerid => `${containerid} ${getDataSelector('region', 'chooser-options-container')}`,\n        chooserOption: {\n            container: getDataSelector('region', 'chooser-option-container'),\n            actions: getDataSelector('region', 'chooser-option-actions-container'),\n            info: getDataSelector('region', 'chooser-option-info-container'),\n        },\n        chooserSummary: {\n            container: getDataSelector('region', 'chooser-option-summary-container'),\n            content: getDataSelector('region', 'chooser-option-summary-content-container'),\n            header: getDataSelector('region', 'summary-header'),\n            actions: getDataSelector('region', 'chooser-option-summary-actions-container'),\n        },\n        carousel: getDataSelector('region', 'carousel'),\n        help: getDataSelector('region', 'help'),\n        modules: getDataSelector('region', 'modules'),\n        favouriteTabNav: getDataSelector('region', 'favourite-tab-nav'),\n        defaultTabNav: getDataSelector('region', 'default-tab-nav'),\n        activityTabNav: getDataSelector('region', 'activity-tab-nav'),\n        favouriteTab: getDataSelector('region', 'favourites'),\n        recommendedTab: getDataSelector('region', 'recommended'),\n        defaultTab: getDataSelector('region', 'default'),\n        activityTab: getDataSelector('region', 'activity'),\n        resourceTab: getDataSelector('region', 'resources'),\n        getModuleSelector: modname => `[role=\"menuitem\"][data-modname=\"${modname}\"]`,\n        searchResults: getDataSelector('region', 'search-results-container'),\n        searchResultItems: getDataSelector('region', 'search-result-items-container'),\n    },\n    actions: {\n        optionActions: {\n            showSummary: getDataSelector('action', 'show-option-summary'),\n            manageFavourite: getDataSelector('action', 'manage-module-favourite'),\n        },\n        addChooser: getDataSelector('action', 'add-chooser-option'),\n        closeOption: getDataSelector('action', 'close-chooser-option-summary'),\n        hide: getDataSelector('action', 'hide'),\n        search: getDataSelector('action', 'search'),\n        clearSearch: getDataSelector('action', 'clearsearch'),\n    },\n    render: {\n        favourites: getDataSelector('render', 'favourites-area'),\n    },\n    elements: {\n        section: '.section',\n        sectionmodchooser: 'button.section-modchooser-link',\n        sitemenu: '.block_site_main_menu',\n        sitetopic: 'div.sitetopic',\n        tab: 'a[data-toggle=\"tab\"]',\n        activetab: 'a[data-toggle=\"tab\"][aria-selected=\"true\"]',\n        visibletabs: 'a[data-toggle=\"tab\"]:not(.d-none)',\n        searchicon: '.input-group-append .search-icon',\n        clearsearch: '.input-group-append .clear'\n    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diff --git a/course/amd/build/recommendations.min.js b/course/amd/build/recommendations.min.js
index 59b3a55afe8..cc5e25a771c 100644
--- a/course/amd/build/recommendations.min.js
+++ b/course/amd/build/recommendations.min.js
@@ -1,2 +1,10 @@
-define ("core_course/recommendations",["exports","core/ajax","core/notification"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}var e=function(a){var d={methodname:"core_course_toggle_activity_recommendation",args:{area:a.currentTarget.dataset.area,id:a.currentTarget.dataset.id}};b.default.call([d])[0].fail(c.default.exception)};a.init=function init(){var a=document.querySelectorAll("[data-area]");a.forEach(function(a){a.addEventListener("change",e)})}});
-//# sourceMappingURL=recommendations.min.js.map
+define("core_course/recommendations",["exports","core/ajax","core/notification"],(function(_exports,_ajax,_notification){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * A javascript module to handle toggling activity chooser recommendations.
+   *
+   * @module     core_course/recommendations
+   * @copyright  2020 Adrian Greeve <adrian@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_ajax=_interopRequireDefault(_ajax),_notification=_interopRequireDefault(_notification);var toggleRecommendation=function(e){var data={methodname:"core_course_toggle_activity_recommendation",args:{area:e.currentTarget.dataset.area,id:e.currentTarget.dataset.id}};_ajax.default.call([data])[0].fail(_notification.default.exception)};_exports.init=function(){document.querySelectorAll("[data-area]").forEach((function(checkbox){checkbox.addEventListener("change",toggleRecommendation)}))}}));
+
+//# sourceMappingURL=recommendations.min.js.map
\ No newline at end of file
diff --git a/course/amd/build/recommendations.min.js.map b/course/amd/build/recommendations.min.js.map
index aea6e7f75fe..efa89fb81af 100644
--- a/course/amd/build/recommendations.min.js.map
+++ b/course/amd/build/recommendations.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/recommendations.js"],"names":["toggleRecommendation","e","data","methodname","args","area","currentTarget","dataset","id","Ajax","call","fail","Notification","exception","init","checkboxelements","document","querySelectorAll","forEach","checkbox","addEventListener"],"mappings":"8KAuBA,OACA,O,sDAQMA,CAAAA,CAAoB,CAAG,SAACC,CAAD,CAAO,CAChC,GAAIC,CAAAA,CAAI,CAAG,CACPC,UAAU,CAAE,4CADL,CAEPC,IAAI,CAAE,CACFC,IAAI,CAAEJ,CAAC,CAACK,aAAF,CAAgBC,OAAhB,CAAwBF,IAD5B,CAEFG,EAAE,CAAEP,CAAC,CAACK,aAAF,CAAgBC,OAAhB,CAAwBC,EAF1B,CAFC,CAAX,CAOAC,UAAKC,IAAL,CAAU,CAACR,CAAD,CAAV,EAAkB,CAAlB,EAAqBS,IAArB,CAA0BC,UAAaC,SAAvC,CACH,C,QAOmB,QAAPC,CAAAA,IAAO,EAAM,CACtB,GAAMC,CAAAA,CAAgB,CAAGC,QAAQ,CAACC,gBAAT,CAA0B,aAA1B,CAAzB,CACAF,CAAgB,CAACG,OAAjB,CAAyB,SAACC,CAAD,CAAc,CACnCA,CAAQ,CAACC,gBAAT,CAA0B,QAA1B,CAAoCpB,CAApC,CACH,CAFD,CAGH,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle toggling activity chooser recommendations.\n *\n * @module     core_course/recommendations\n * @copyright  2020 Adrian Greeve <adrian@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\n/**\n * Do an ajax call to toggle the recommendation\n *\n * @param  {object} e The event\n * @return {void}\n */\nconst toggleRecommendation = (e) => {\n    let data = {\n        methodname: 'core_course_toggle_activity_recommendation',\n        args: {\n            area: e.currentTarget.dataset.area,\n            id: e.currentTarget.dataset.id\n        }\n    };\n    Ajax.call([data])[0].fail(Notification.exception);\n};\n\n/**\n * Initialisation function\n *\n * @return {void}\n */\nexport const init = () => {\n    const checkboxelements = document.querySelectorAll(\"[data-area]\");\n    checkboxelements.forEach((checkbox) => {\n        checkbox.addEventListener('change', toggleRecommendation);\n    });\n};\n"],"file":"recommendations.min.js"}
\ No newline at end of file
+{"version":3,"file":"recommendations.min.js","sources":["../src/recommendations.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle toggling activity chooser recommendations.\n *\n * @module     core_course/recommendations\n * @copyright  2020 Adrian Greeve <adrian@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\n/**\n * Do an ajax call to toggle the recommendation\n *\n * @param  {object} e The event\n * @return {void}\n */\nconst toggleRecommendation = (e) => {\n    let data = {\n        methodname: 'core_course_toggle_activity_recommendation',\n        args: {\n            area: e.currentTarget.dataset.area,\n            id: e.currentTarget.dataset.id\n        }\n    };\n    Ajax.call([data])[0].fail(Notification.exception);\n};\n\n/**\n * Initialisation function\n *\n * @return {void}\n */\nexport const init = () => {\n    const checkboxelements = document.querySelectorAll(\"[data-area]\");\n    checkboxelements.forEach((checkbox) => {\n        checkbox.addEventListener('change', toggleRecommendation);\n    });\n};\n"],"names":["toggleRecommendation","e","data","methodname","args","area","currentTarget","dataset","id","call","fail","Notification","exception","document","querySelectorAll","forEach","checkbox","addEventListener"],"mappings":";;;;;;;8KAgCMA,qBAAuB,SAACC,OACtBC,KAAO,CACPC,WAAY,6CACZC,KAAM,CACFC,KAAMJ,EAAEK,cAAcC,QAAQF,KAC9BG,GAAIP,EAAEK,cAAcC,QAAQC,mBAG/BC,KAAK,CAACP,OAAO,GAAGQ,KAAKC,sBAAaC,0BAQvB,WACSC,SAASC,iBAAiB,eAClCC,SAAQ,SAACC,UACtBA,SAASC,iBAAiB,SAAUjB"}
\ No newline at end of file
diff --git a/course/amd/build/repository.min.js b/course/amd/build/repository.min.js
index 8d7c2a2ecec..6641e438073 100644
--- a/course/amd/build/repository.min.js
+++ b/course/amd/build/repository.min.js
@@ -1,2 +1,10 @@
-define ("core_course/repository",["jquery","core/ajax"],function(a,b){return{getEnrolledCoursesByTimelineClassification:function getEnrolledCoursesByTimelineClassification(a,c,d,e){var f={classification:a};if("undefined"!=typeof c){f.limit=c}if("undefined"!=typeof d){f.offset=d}if("undefined"!=typeof e){f.sort=e}return b.call([{methodname:"core_course_get_enrolled_courses_by_timeline_classification",args:f}])[0]},getLastAccessedCourses:function getLastAccessedCourses(a,c,d,e){var f={};if("undefined"!=typeof a){f.userid=a}if("undefined"!=typeof c){f.limit=c}if("undefined"!=typeof d){f.offset=d}if("undefined"!=typeof e){f.sort=e}return b.call([{methodname:"core_course_get_recent_courses",args:f}])[0]},getUsersFromCourseModuleID:function getEnrolledUsersFromCourseModuleID(a,c){return b.call([{methodname:"core_course_get_enrolled_users_by_cmid",args:{cmid:a,groupid:c}}])[0]}}});
-//# sourceMappingURL=repository.min.js.map
+/**
+ * A javascript module to handle course ajax actions.
+ *
+ * @module     core_course/repository
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_course/repository",["jquery","core/ajax"],(function($,Ajax){return{getEnrolledCoursesByTimelineClassification:function(classification,limit,offset,sort){var args={classification:classification};void 0!==limit&&(args.limit=limit),void 0!==offset&&(args.offset=offset),void 0!==sort&&(args.sort=sort);var request={methodname:"core_course_get_enrolled_courses_by_timeline_classification",args:args};return Ajax.call([request])[0]},getLastAccessedCourses:function(userid,limit,offset,sort){var args={};void 0!==userid&&(args.userid=userid),void 0!==limit&&(args.limit=limit),void 0!==offset&&(args.offset=offset),void 0!==sort&&(args.sort=sort);var request={methodname:"core_course_get_recent_courses",args:args};return Ajax.call([request])[0]},getUsersFromCourseModuleID:function(cmid,groupID){var request={methodname:"core_course_get_enrolled_users_by_cmid",args:{cmid:cmid,groupid:groupID}};return Ajax.call([request])[0]}}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/course/amd/build/repository.min.js.map b/course/amd/build/repository.min.js.map
index c6b8c7c7352..1e1e97858f5 100644
--- a/course/amd/build/repository.min.js.map
+++ b/course/amd/build/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/repository.js"],"names":["define","$","Ajax","getEnrolledCoursesByTimelineClassification","classification","limit","offset","sort","args","call","methodname","getLastAccessedCourses","userid","getUsersFromCourseModuleID","getEnrolledUsersFromCourseModuleID","cmid","groupID","groupid"],"mappings":"AAsBAA,OAAM,0BAAC,CAAC,QAAD,CAAW,WAAX,CAAD,CAA0B,SAASC,CAAT,CAAYC,CAAZ,CAAkB,CA6F9C,MAAO,CACHC,0CAA0C,CAlFG,QAA7CA,CAAAA,0CAA6C,CAASC,CAAT,CAAyBC,CAAzB,CAAgCC,CAAhC,CAAwCC,CAAxC,CAA8C,CAC3F,GAAIC,CAAAA,CAAI,CAAG,CACPJ,cAAc,CAAEA,CADT,CAAX,CAIA,GAAqB,WAAjB,QAAOC,CAAAA,CAAX,CAAkC,CAC9BG,CAAI,CAACH,KAAL,CAAaA,CAChB,CAED,GAAsB,WAAlB,QAAOC,CAAAA,CAAX,CAAmC,CAC/BE,CAAI,CAACF,MAAL,CAAcA,CACjB,CAED,GAAoB,WAAhB,QAAOC,CAAAA,CAAX,CAAiC,CAC7BC,CAAI,CAACD,IAAL,CAAYA,CACf,CAOD,MAAOL,CAAAA,CAAI,CAACO,IAAL,CAAU,CALH,CACVC,UAAU,CAAE,6DADF,CAEVF,IAAI,CAAEA,CAFI,CAKG,CAAV,EAAqB,CAArB,CACV,CA0DM,CAEHG,sBAAsB,CAhDG,QAAzBA,CAAAA,sBAAyB,CAASC,CAAT,CAAiBP,CAAjB,CAAwBC,CAAxB,CAAgCC,CAAhC,CAAsC,CAC/D,GAAIC,CAAAA,CAAI,CAAG,EAAX,CAEA,GAAsB,WAAlB,QAAOI,CAAAA,CAAX,CAAmC,CAC/BJ,CAAI,CAACI,MAAL,CAAcA,CACjB,CAED,GAAqB,WAAjB,QAAOP,CAAAA,CAAX,CAAkC,CAC9BG,CAAI,CAACH,KAAL,CAAaA,CAChB,CAED,GAAsB,WAAlB,QAAOC,CAAAA,CAAX,CAAmC,CAC/BE,CAAI,CAACF,MAAL,CAAcA,CACjB,CAED,GAAoB,WAAhB,QAAOC,CAAAA,CAAX,CAAiC,CAC7BC,CAAI,CAACD,IAAL,CAAYA,CACf,CAOD,MAAOL,CAAAA,CAAI,CAACO,IAAL,CAAU,CALH,CACVC,UAAU,CAAE,gCADF,CAEVF,IAAI,CAAEA,CAFI,CAKG,CAAV,EAAqB,CAArB,CACV,CAqBM,CAGHK,0BAA0B,CAfW,QAArCC,CAAAA,kCAAqC,CAASC,CAAT,CAAeC,CAAf,CAAwB,CAS7D,MAAOd,CAAAA,CAAI,CAACO,IAAL,CAAU,CARH,CACVC,UAAU,CAAE,wCADF,CAEVF,IAAI,CAAE,CACFO,IAAI,CAAEA,CADJ,CAEFE,OAAO,CAAED,CAFP,CAFI,CAQG,CAAV,EAAqB,CAArB,CACV,CAEM,CAKV,CAlGK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle course ajax actions.\n *\n * @module     core_course/repository\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax'], function($, Ajax) {\n\n    /**\n     * Get the list of courses that the logged in user is enrolled in for a given\n     * timeline classification.\n     *\n     * @param {string} classification past, inprogress, or future\n     * @param {int} limit Only return this many results\n     * @param {int} offset Skip this many results from the start of the result set\n     * @param {string} sort Column to sort by and direction, e.g. 'shortname asc'\n     * @return {object} jQuery promise resolved with courses.\n     */\n    var getEnrolledCoursesByTimelineClassification = function(classification, limit, offset, sort) {\n        var args = {\n            classification: classification\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limit = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.offset = offset;\n        }\n\n        if (typeof sort !== 'undefined') {\n            args.sort = sort;\n        }\n\n        var request = {\n            methodname: 'core_course_get_enrolled_courses_by_timeline_classification',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the list of courses that the user has most recently accessed.\n     *\n     * @method getLastAccessedCourses\n     * @param {int} userid User from which the courses will be obtained\n     * @param {int} limit Only return this many results\n     * @param {int} offset Skip this many results from the start of the result set\n     * @param {string} sort Column to sort by and direction, e.g. 'shortname asc'\n     * @return {promise} Resolved with an array of courses\n     */\n    var getLastAccessedCourses = function(userid, limit, offset, sort) {\n        var args = {};\n\n        if (typeof userid !== 'undefined') {\n            args.userid = userid;\n        }\n\n        if (typeof limit !== 'undefined') {\n            args.limit = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.offset = offset;\n        }\n\n        if (typeof sort !== 'undefined') {\n            args.sort = sort;\n        }\n\n        var request = {\n            methodname: 'core_course_get_recent_courses',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the list of users enrolled in this cmid.\n     *\n     * @param {Number} cmid Course Module from which the users will be obtained\n     * @param {Number} groupID Group ID from which the users will be obtained\n     * @returns {Promise} Promise containing a list of users\n     */\n    var getEnrolledUsersFromCourseModuleID = function(cmid, groupID) {\n        var request = {\n            methodname: 'core_course_get_enrolled_users_by_cmid',\n            args: {\n                cmid: cmid,\n                groupid: groupID,\n            },\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    return {\n        getEnrolledCoursesByTimelineClassification: getEnrolledCoursesByTimelineClassification,\n        getLastAccessedCourses: getLastAccessedCourses,\n        getUsersFromCourseModuleID: getEnrolledUsersFromCourseModuleID,\n    };\n});\n"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../src/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle course ajax actions.\n *\n * @module     core_course/repository\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax'], function($, Ajax) {\n\n    /**\n     * Get the list of courses that the logged in user is enrolled in for a given\n     * timeline classification.\n     *\n     * @param {string} classification past, inprogress, or future\n     * @param {int} limit Only return this many results\n     * @param {int} offset Skip this many results from the start of the result set\n     * @param {string} sort Column to sort by and direction, e.g. 'shortname asc'\n     * @return {object} jQuery promise resolved with courses.\n     */\n    var getEnrolledCoursesByTimelineClassification = function(classification, limit, offset, sort) {\n        var args = {\n            classification: classification\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limit = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.offset = offset;\n        }\n\n        if (typeof sort !== 'undefined') {\n            args.sort = sort;\n        }\n\n        var request = {\n            methodname: 'core_course_get_enrolled_courses_by_timeline_classification',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the list of courses that the user has most recently accessed.\n     *\n     * @method getLastAccessedCourses\n     * @param {int} userid User from which the courses will be obtained\n     * @param {int} limit Only return this many results\n     * @param {int} offset Skip this many results from the start of the result set\n     * @param {string} sort Column to sort by and direction, e.g. 'shortname asc'\n     * @return {promise} Resolved with an array of courses\n     */\n    var getLastAccessedCourses = function(userid, limit, offset, sort) {\n        var args = {};\n\n        if (typeof userid !== 'undefined') {\n            args.userid = userid;\n        }\n\n        if (typeof limit !== 'undefined') {\n            args.limit = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.offset = offset;\n        }\n\n        if (typeof sort !== 'undefined') {\n            args.sort = sort;\n        }\n\n        var request = {\n            methodname: 'core_course_get_recent_courses',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the list of users enrolled in this cmid.\n     *\n     * @param {Number} cmid Course Module from which the users will be obtained\n     * @param {Number} groupID Group ID from which the users will be obtained\n     * @returns {Promise} Promise containing a list of users\n     */\n    var getEnrolledUsersFromCourseModuleID = function(cmid, groupID) {\n        var request = {\n            methodname: 'core_course_get_enrolled_users_by_cmid',\n            args: {\n                cmid: cmid,\n                groupid: groupID,\n            },\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    return {\n        getEnrolledCoursesByTimelineClassification: getEnrolledCoursesByTimelineClassification,\n        getLastAccessedCourses: getLastAccessedCourses,\n        getUsersFromCourseModuleID: getEnrolledUsersFromCourseModuleID,\n    };\n});\n"],"names":["define","$","Ajax","getEnrolledCoursesByTimelineClassification","classification","limit","offset","sort","args","request","methodname","call","getLastAccessedCourses","userid","getUsersFromCourseModuleID","cmid","groupID","groupid"],"mappings":";;;;;;;AAsBAA,gCAAO,CAAC,SAAU,cAAc,SAASC,EAAGC,YA6FjC,CACHC,2CAlF6C,SAASC,eAAgBC,MAAOC,OAAQC,UACjFC,KAAO,CACPJ,eAAgBA,qBAGC,IAAVC,QACPG,KAAKH,MAAQA,YAGK,IAAXC,SACPE,KAAKF,OAASA,aAGE,IAATC,OACPC,KAAKD,KAAOA,UAGZE,QAAU,CACVC,WAAY,8DACZF,KAAMA,aAGHN,KAAKS,KAAK,CAACF,UAAU,IA6D5BG,uBAhDyB,SAASC,OAAQR,MAAOC,OAAQC,UACrDC,KAAO,QAEW,IAAXK,SACPL,KAAKK,OAASA,aAGG,IAAVR,QACPG,KAAKH,MAAQA,YAGK,IAAXC,SACPE,KAAKF,OAASA,aAGE,IAATC,OACPC,KAAKD,KAAOA,UAGZE,QAAU,CACVC,WAAY,iCACZF,KAAMA,aAGHN,KAAKS,KAAK,CAACF,UAAU,IAyB5BK,2BAfqC,SAASC,KAAMC,aAChDP,QAAU,CACVC,WAAY,yCACZF,KAAM,CACFO,KAAMA,KACNE,QAASD,iBAIVd,KAAKS,KAAK,CAACF,UAAU"}
\ No newline at end of file
diff --git a/customfield/amd/build/form.min.js b/customfield/amd/build/form.min.js
index c4febc1e874..186af6e0ee9 100644
--- a/customfield/amd/build/form.min.js
+++ b/customfield/amd/build/form.min.js
@@ -1,2 +1,11 @@
-define ("core_customfield/form",["jquery","core/str","core/notification","core/ajax","core/templates","core/sortable_list","core/pending","core/inplace_editable"],function(a,b,c,d,e,f,g){var h=function(f,h,i,j,k){var l=new g("core_customfield/form:confirmDelete");b.get_strings([{key:"confirm"},{key:"confirmdelete"+h,component:"core_customfield"},{key:"yes"},{key:"no"}]).then(function(b){c.confirm(b[0],b[1],b[2],b[3],function(){var b=new g("core_customfield/form:confirmDelete"),l="field"===h?"core_customfield_delete_field":"core_customfield_delete_category";d.call([{methodname:l,args:{id:f}},{methodname:"core_customfield_reload_template",args:{component:i,area:j,itemid:k}}])[1].then(function(a){return e.render("core_customfield/list",a)}).then(function(b,c){e.replaceNode(a("[data-region=\"list-page\"]"),b,c);return null}).then(b.resolve).catch(c.exception)})}).then(l.resolve).catch(c.exception)},i=function(b,f,h){var i=new g("core_customfield/form:confirmDelete"),j=d.call([{methodname:"core_customfield_create_category",args:{component:b,area:f,itemid:h}},{methodname:"core_customfield_reload_template",args:{component:b,area:f,itemid:h}}]),k;j[0].then(function(a){k=a;return null}).catch(c.exception);j[1].then(function(a){return e.render("core_customfield/list",a)}).then(function(b,c){e.replaceNode(a("[data-region=\"list-page\"]"),b,c);window.location.href="#category-"+k;return null}).catch(c.exception);Promise.all(j).then(i.resolve).catch()};return{init:function init(){var e=a("#customfield_catlist"),j=e.attr("data-component"),k=e.attr("data-area"),l=e.attr("data-itemid");a("[data-role=deletefield]").on("click",function(b){h(a(this).attr("data-id"),"field",j,k,l);b.preventDefault()});a("[data-role=deletecategory]").on("click",function(b){h(a(this).attr("data-id"),"category",j,k,l);b.preventDefault()});a("[data-role=addnewcategory]").on("click",function(){i(j,k,l)});var m=function(a){return a.closest("[data-category-id]").find("[data-inplaceeditable][data-itemtype=category][data-component=core_customfield]").attr("data-value")},n=new f(a("#customfield_catlist .categorieslist"),{moveHandlerSelector:".movecategory [data-drag-type=move]"});n.getElementName=function(b){return a.Deferred().resolve(m(b))};a("[data-category-id]").on("sortablelist-drop",function(a,b){if(b.positionChanged){var e=new g("core_customfield/form:categoryid:on:sortablelist-drop");d.call([{methodname:"core_customfield_move_category",args:{id:b.element.data("category-id"),beforeid:b.targetNextElement.data("category-id")}}])[0].then(e.resolve).catch(c.exception)}a.stopPropagation()});var o=new f(a("#customfield_catlist .fieldslist tbody"),{moveHandlerSelector:".movefield [data-drag-type=move]"});o.getDestinationName=function(c,d){if(!d.length){return b.get_string("totopofcategory","customfield",m(c))}else if(d.attr("data-field-name")){return b.get_string("afterfield","customfield",d.attr("data-field-name"))}else{return a.Deferred().resolve("")}};a("[data-field-name]").on("sortablelist-drop",function(a,b){a.stopPropagation();if(b.positionChanged){var e=new g("core_customfield/form:fieldname:on:sortablelist-drop");d.call([{methodname:"core_customfield_move_field",args:{id:b.element.data("field-id"),beforeid:b.targetNextElement.data("field-id"),categoryid:+b.targetList.closest("[data-category-id]").attr("data-category-id")}}])[0].then(e.resolve).catch(c.exception)}});a("[data-field-name]").on("sortablelist-drag",function(d){var e=new g("core_customfield/form:fieldname:on:sortablelist-drag");d.stopPropagation();b.get_string("therearenofields","core_customfield").then(function(b){a("#customfield_catlist .categorieslist").children().each(function(){var c=a(this).find(a(".field")),d=a(this).find(a(".nofields"));if(!c.length&&!d.length){a(this).find("tbody").append("<tr class=\"nofields\"><td colspan=\"5\">"+b+"</td></tr>")}if(c.length&&d.length){d.remove()}});return null}).then(e.resolve).catch(c.exception)});a("[data-category-id], [data-field-name]").on("sortablelist-dragstart",function(b,c){setTimeout(function(){a(".sortable-list-is-dragged").width(c.element.width())},501)})}}});
-//# sourceMappingURL=form.min.js.map
+/**
+ * This module depends on the real jquery - and returns the non-global version of it.
+ *
+ * @module     core_customfield/form
+ * @package    core_customfield
+ * @copyright  2018 Toni Barbera
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_customfield/form",["jquery","core/str","core/notification","core/ajax","core/templates","core/sortable_list","core/pending","core/inplace_editable"],(function($,Str,Notification,Ajax,Templates,SortableList,Pending){var confirmDelete=function(id,type,component,area,itemid){var pendingPromise=new Pending("core_customfield/form:confirmDelete");Str.get_strings([{key:"confirm"},{key:"confirmdelete"+type,component:"core_customfield"},{key:"yes"},{key:"no"}]).then((function(s){Notification.confirm(s[0],s[1],s[2],s[3],(function(){var pendingDeletePromise=new Pending("core_customfield/form:confirmDelete"),func="field"===type?"core_customfield_delete_field":"core_customfield_delete_category";Ajax.call([{methodname:func,args:{id:id}},{methodname:"core_customfield_reload_template",args:{component:component,area:area,itemid:itemid}}])[1].then((function(response){return Templates.render("core_customfield/list",response)})).then((function(html,js){return Templates.replaceNode($('[data-region="list-page"]'),html,js),null})).then(pendingDeletePromise.resolve).catch(Notification.exception)}))})).then(pendingPromise.resolve).catch(Notification.exception)};return{init:function(){var mainlist=$("#customfield_catlist"),component=mainlist.attr("data-component"),area=mainlist.attr("data-area"),itemid=mainlist.attr("data-itemid");$("[data-role=deletefield]").on("click",(function(e){confirmDelete($(this).attr("data-id"),"field",component,area,itemid),e.preventDefault()})),$("[data-role=deletecategory]").on("click",(function(e){confirmDelete($(this).attr("data-id"),"category",component,area,itemid),e.preventDefault()})),$("[data-role=addnewcategory]").on("click",(function(){!function(component,area,itemid){var categoryid,pendingPromise=new Pending("core_customfield/form:confirmDelete"),promises=Ajax.call([{methodname:"core_customfield_create_category",args:{component:component,area:area,itemid:itemid}},{methodname:"core_customfield_reload_template",args:{component:component,area:area,itemid:itemid}}]);promises[0].then((function(response){return categoryid=response,null})).catch(Notification.exception),promises[1].then((function(response){return Templates.render("core_customfield/list",response)})).then((function(html,js){return Templates.replaceNode($('[data-region="list-page"]'),html,js),window.location.href="#category-"+categoryid,null})).catch(Notification.exception),Promise.all(promises).then(pendingPromise.resolve).catch()}(component,area,itemid)}));var categoryName=function(element){return element.closest("[data-category-id]").find("[data-inplaceeditable][data-itemtype=category][data-component=core_customfield]").attr("data-value")};new SortableList($("#customfield_catlist .categorieslist"),{moveHandlerSelector:".movecategory [data-drag-type=move]"}).getElementName=function(el){return $.Deferred().resolve(categoryName(el))},$("[data-category-id]").on("sortablelist-drop",(function(evt,info){if(info.positionChanged){var pendingPromise=new Pending("core_customfield/form:categoryid:on:sortablelist-drop");Ajax.call([{methodname:"core_customfield_move_category",args:{id:info.element.data("category-id"),beforeid:info.targetNextElement.data("category-id")}}])[0].then(pendingPromise.resolve).catch(Notification.exception)}evt.stopPropagation()})),new SortableList($("#customfield_catlist .fieldslist tbody"),{moveHandlerSelector:".movefield [data-drag-type=move]"}).getDestinationName=function(parentElement,afterElement){return afterElement.length?afterElement.attr("data-field-name")?Str.get_string("afterfield","customfield",afterElement.attr("data-field-name")):$.Deferred().resolve(""):Str.get_string("totopofcategory","customfield",categoryName(parentElement))},$("[data-field-name]").on("sortablelist-drop",(function(evt,info){if(evt.stopPropagation(),info.positionChanged){var pendingPromise=new Pending("core_customfield/form:fieldname:on:sortablelist-drop");Ajax.call([{methodname:"core_customfield_move_field",args:{id:info.element.data("field-id"),beforeid:info.targetNextElement.data("field-id"),categoryid:Number(info.targetList.closest("[data-category-id]").attr("data-category-id"))}}])[0].then(pendingPromise.resolve).catch(Notification.exception)}})),$("[data-field-name]").on("sortablelist-drag",(function(evt){var pendingPromise=new Pending("core_customfield/form:fieldname:on:sortablelist-drag");evt.stopPropagation(),Str.get_string("therearenofields","core_customfield").then((function(s){return $("#customfield_catlist .categorieslist").children().each((function(){var fields=$(this).find($(".field")),nofields=$(this).find($(".nofields"));fields.length||nofields.length||$(this).find("tbody").append('<tr class="nofields"><td colspan="5">'+s+"</td></tr>"),fields.length&&nofields.length&&nofields.remove()})),null})).then(pendingPromise.resolve).catch(Notification.exception)})),$("[data-category-id], [data-field-name]").on("sortablelist-dragstart",(function(evt,info){setTimeout((function(){$(".sortable-list-is-dragged").width(info.element.width())}),501)}))}}}));
+
+//# sourceMappingURL=form.min.js.map
\ No newline at end of file
diff --git a/customfield/amd/build/form.min.js.map b/customfield/amd/build/form.min.js.map
index fb1d01906e0..f086709ab74 100644
--- a/customfield/amd/build/form.min.js.map
+++ b/customfield/amd/build/form.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module depends on the real jquery - and returns the non-global version of it.\n *\n * @module     core_customfield/form\n * @package    core_customfield\n * @copyright  2018 Toni Barbera\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/str',\n    'core/notification',\n    'core/ajax',\n    'core/templates',\n    'core/sortable_list',\n    'core/pending',\n    'core/inplace_editable',\n], function($, Str, Notification, Ajax, Templates, SortableList, Pending) {\n\n    /**\n     * Display confirmation dialogue\n     *\n     * @param {Number} id\n     * @param {String} type\n     * @param {String} component\n     * @param {String} area\n     * @param {Number} itemid\n     */\n    var confirmDelete = function(id, type, component, area, itemid) {\n        var pendingPromise = new Pending('core_customfield/form:confirmDelete');\n        Str.get_strings([\n            {'key': 'confirm'},\n            {'key': 'confirmdelete' + type, component: 'core_customfield'},\n            {'key': 'yes'},\n            {'key': 'no'},\n        ])\n        .then(function(s) {\n            Notification.confirm(s[0], s[1], s[2], s[3], function() {\n                var pendingDeletePromise = new Pending('core_customfield/form:confirmDelete');\n                var func = (type === 'field') ? 'core_customfield_delete_field' : 'core_customfield_delete_category';\n                Ajax.call([\n                    {methodname: func, args: {id: id}},\n                    {methodname: 'core_customfield_reload_template', args: {component: component, area: area, itemid: itemid}}\n                ])[1]\n                .then(function(response) {\n                    return Templates.render('core_customfield/list', response);\n                })\n                .then(function(html, js) {\n                    Templates.replaceNode($('[data-region=\"list-page\"]'), html, js);\n                    return null;\n                })\n                .then(pendingDeletePromise.resolve)\n                .catch(Notification.exception);\n            });\n\n            return;\n        })\n        .then(pendingPromise.resolve)\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Creates a new custom fields category with default name and updates the list\n     *\n     * @param {String} component\n     * @param {String} area\n     * @param {Number} itemid\n     */\n    var createNewCategory = function(component, area, itemid) {\n        var pendingPromise = new Pending('core_customfield/form:confirmDelete');\n        var promises = Ajax.call([\n            {methodname: 'core_customfield_create_category', args: {component: component, area: area, itemid: itemid}},\n            {methodname: 'core_customfield_reload_template', args: {component: component, area: area, itemid: itemid}}\n        ]);\n        var categoryid;\n\n        promises[0].then(function(response) {\n            categoryid = response;\n            return null;\n        }).catch(Notification.exception);\n\n        promises[1].then(function(response) {\n            return Templates.render('core_customfield/list', response);\n        })\n        .then(function(html, js) {\n            Templates.replaceNode($('[data-region=\"list-page\"]'), html, js);\n            window.location.href = '#category-' + categoryid;\n            return null;\n        })\n        .catch(Notification.exception);\n\n        Promise.all(promises)\n        .then(pendingPromise.resolve)\n        .catch();\n    };\n\n    return {\n        /**\n         * Initialise the custom fields manager\n         */\n        init: function() {\n            var mainlist = $('#customfield_catlist');\n            var component = mainlist.attr('data-component');\n            var area = mainlist.attr('data-area');\n            var itemid = mainlist.attr('data-itemid');\n\n            $(\"[data-role=deletefield]\").on('click', function(e) {\n                confirmDelete($(this).attr('data-id'), 'field', component, area, itemid);\n                e.preventDefault();\n            });\n\n            $(\"[data-role=deletecategory]\").on('click', function(e) {\n                confirmDelete($(this).attr('data-id'), 'category', component, area, itemid);\n                e.preventDefault();\n            });\n\n            $('[data-role=addnewcategory]').on('click', function() {\n                createNewCategory(component, area, itemid);\n            });\n\n            var categoryName = function(element) {\n                return element\n                    .closest('[data-category-id]')\n                    .find('[data-inplaceeditable][data-itemtype=category][data-component=core_customfield]')\n                    .attr('data-value');\n            };\n\n            // Sort category.\n            var sortCat = new SortableList(\n                $('#customfield_catlist .categorieslist'),\n                {moveHandlerSelector: '.movecategory [data-drag-type=move]'}\n            );\n\n            sortCat.getElementName = function(el) {\n                return $.Deferred().resolve(categoryName(el));\n            };\n\n            $('[data-category-id]').on('sortablelist-drop', function(evt, info) {\n                if (info.positionChanged) {\n                    var pendingPromise = new Pending('core_customfield/form:categoryid:on:sortablelist-drop');\n                    Ajax.call([\n                        {\n                            methodname: 'core_customfield_move_category',\n                            args: {\n                                id: info.element.data('category-id'),\n                                beforeid: info.targetNextElement.data('category-id')\n                            }\n\n                        },\n                    ])[0]\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n                }\n                evt.stopPropagation(); // Important for nested lists to prevent multiple targets.\n            });\n\n            // Sort fields.\n            var sort = new SortableList(\n                $('#customfield_catlist .fieldslist tbody'),\n                {moveHandlerSelector: '.movefield [data-drag-type=move]'}\n            );\n\n            sort.getDestinationName = function(parentElement, afterElement) {\n                if (!afterElement.length) {\n                    return Str.get_string('totopofcategory', 'customfield', categoryName(parentElement));\n                } else if (afterElement.attr('data-field-name')) {\n                    return Str.get_string('afterfield', 'customfield', afterElement.attr('data-field-name'));\n                } else {\n                    return $.Deferred().resolve('');\n                }\n            };\n\n            $('[data-field-name]').on('sortablelist-drop', function(evt, info) {\n                evt.stopPropagation(); // Important for nested lists to prevent multiple targets.\n                if (info.positionChanged) {\n                    var pendingPromise = new Pending('core_customfield/form:fieldname:on:sortablelist-drop');\n                    Ajax.call([\n                        {\n                            methodname: 'core_customfield_move_field',\n                            args: {\n                                id: info.element.data('field-id'),\n                                beforeid: info.targetNextElement.data('field-id'),\n                                categoryid: Number(info.targetList.closest('[data-category-id]').attr('data-category-id'))\n                            },\n                        },\n                    ])[0]\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n                }\n            });\n\n            $('[data-field-name]').on('sortablelist-drag', function(evt) {\n                var pendingPromise = new Pending('core_customfield/form:fieldname:on:sortablelist-drag');\n\n                evt.stopPropagation(); // Important for nested lists to prevent multiple targets.\n\n                // Refreshing fields tables.\n                Str.get_string('therearenofields', 'core_customfield').then(function(s) {\n                    $('#customfield_catlist .categorieslist').children().each(function() {\n                        var fields = $(this).find($('.field')),\n                            nofields = $(this).find($('.nofields'));\n                        if (!fields.length && !nofields.length) {\n                            $(this).find('tbody').append(\n                                '<tr class=\"nofields\"><td colspan=\"5\">' + s + '</td></tr>'\n                            );\n                        }\n                        if (fields.length && nofields.length) {\n                            nofields.remove();\n                        }\n                    });\n                    return null;\n                })\n                .then(pendingPromise.resolve)\n                .catch(Notification.exception);\n            });\n\n            $('[data-category-id], [data-field-name]').on('sortablelist-dragstart',\n                function(evt, info) {\n                    setTimeout(function() {\n                        $('.sortable-list-is-dragged').width(info.element.width());\n                    }, 501);\n                }\n            );\n\n        }\n    };\n});\n"],"file":"form.min.js"}
\ No newline at end of file
+{"version":3,"file":"form.min.js","sources":["../src/form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module depends on the real jquery - and returns the non-global version of it.\n *\n * @module     core_customfield/form\n * @package    core_customfield\n * @copyright  2018 Toni Barbera\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/str',\n    'core/notification',\n    'core/ajax',\n    'core/templates',\n    'core/sortable_list',\n    'core/pending',\n    'core/inplace_editable',\n], function($, Str, Notification, Ajax, Templates, SortableList, Pending) {\n\n    /**\n     * Display confirmation dialogue\n     *\n     * @param {Number} id\n     * @param {String} type\n     * @param {String} component\n     * @param {String} area\n     * @param {Number} itemid\n     */\n    var confirmDelete = function(id, type, component, area, itemid) {\n        var pendingPromise = new Pending('core_customfield/form:confirmDelete');\n        Str.get_strings([\n            {'key': 'confirm'},\n            {'key': 'confirmdelete' + type, component: 'core_customfield'},\n            {'key': 'yes'},\n            {'key': 'no'},\n        ])\n        .then(function(s) {\n            Notification.confirm(s[0], s[1], s[2], s[3], function() {\n                var pendingDeletePromise = new Pending('core_customfield/form:confirmDelete');\n                var func = (type === 'field') ? 'core_customfield_delete_field' : 'core_customfield_delete_category';\n                Ajax.call([\n                    {methodname: func, args: {id: id}},\n                    {methodname: 'core_customfield_reload_template', args: {component: component, area: area, itemid: itemid}}\n                ])[1]\n                .then(function(response) {\n                    return Templates.render('core_customfield/list', response);\n                })\n                .then(function(html, js) {\n                    Templates.replaceNode($('[data-region=\"list-page\"]'), html, js);\n                    return null;\n                })\n                .then(pendingDeletePromise.resolve)\n                .catch(Notification.exception);\n            });\n\n            return;\n        })\n        .then(pendingPromise.resolve)\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Creates a new custom fields category with default name and updates the list\n     *\n     * @param {String} component\n     * @param {String} area\n     * @param {Number} itemid\n     */\n    var createNewCategory = function(component, area, itemid) {\n        var pendingPromise = new Pending('core_customfield/form:confirmDelete');\n        var promises = Ajax.call([\n            {methodname: 'core_customfield_create_category', args: {component: component, area: area, itemid: itemid}},\n            {methodname: 'core_customfield_reload_template', args: {component: component, area: area, itemid: itemid}}\n        ]);\n        var categoryid;\n\n        promises[0].then(function(response) {\n            categoryid = response;\n            return null;\n        }).catch(Notification.exception);\n\n        promises[1].then(function(response) {\n            return Templates.render('core_customfield/list', response);\n        })\n        .then(function(html, js) {\n            Templates.replaceNode($('[data-region=\"list-page\"]'), html, js);\n            window.location.href = '#category-' + categoryid;\n            return null;\n        })\n        .catch(Notification.exception);\n\n        Promise.all(promises)\n        .then(pendingPromise.resolve)\n        .catch();\n    };\n\n    return {\n        /**\n         * Initialise the custom fields manager\n         */\n        init: function() {\n            var mainlist = $('#customfield_catlist');\n            var component = mainlist.attr('data-component');\n            var area = mainlist.attr('data-area');\n            var itemid = mainlist.attr('data-itemid');\n\n            $(\"[data-role=deletefield]\").on('click', function(e) {\n                confirmDelete($(this).attr('data-id'), 'field', component, area, itemid);\n                e.preventDefault();\n            });\n\n            $(\"[data-role=deletecategory]\").on('click', function(e) {\n                confirmDelete($(this).attr('data-id'), 'category', component, area, itemid);\n                e.preventDefault();\n            });\n\n            $('[data-role=addnewcategory]').on('click', function() {\n                createNewCategory(component, area, itemid);\n            });\n\n            var categoryName = function(element) {\n                return element\n                    .closest('[data-category-id]')\n                    .find('[data-inplaceeditable][data-itemtype=category][data-component=core_customfield]')\n                    .attr('data-value');\n            };\n\n            // Sort category.\n            var sortCat = new SortableList(\n                $('#customfield_catlist .categorieslist'),\n                {moveHandlerSelector: '.movecategory [data-drag-type=move]'}\n            );\n\n            sortCat.getElementName = function(el) {\n                return $.Deferred().resolve(categoryName(el));\n            };\n\n            $('[data-category-id]').on('sortablelist-drop', function(evt, info) {\n                if (info.positionChanged) {\n                    var pendingPromise = new Pending('core_customfield/form:categoryid:on:sortablelist-drop');\n                    Ajax.call([\n                        {\n                            methodname: 'core_customfield_move_category',\n                            args: {\n                                id: info.element.data('category-id'),\n                                beforeid: info.targetNextElement.data('category-id')\n                            }\n\n                        },\n                    ])[0]\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n                }\n                evt.stopPropagation(); // Important for nested lists to prevent multiple targets.\n            });\n\n            // Sort fields.\n            var sort = new SortableList(\n                $('#customfield_catlist .fieldslist tbody'),\n                {moveHandlerSelector: '.movefield [data-drag-type=move]'}\n            );\n\n            sort.getDestinationName = function(parentElement, afterElement) {\n                if (!afterElement.length) {\n                    return Str.get_string('totopofcategory', 'customfield', categoryName(parentElement));\n                } else if (afterElement.attr('data-field-name')) {\n                    return Str.get_string('afterfield', 'customfield', afterElement.attr('data-field-name'));\n                } else {\n                    return $.Deferred().resolve('');\n                }\n            };\n\n            $('[data-field-name]').on('sortablelist-drop', function(evt, info) {\n                evt.stopPropagation(); // Important for nested lists to prevent multiple targets.\n                if (info.positionChanged) {\n                    var pendingPromise = new Pending('core_customfield/form:fieldname:on:sortablelist-drop');\n                    Ajax.call([\n                        {\n                            methodname: 'core_customfield_move_field',\n                            args: {\n                                id: info.element.data('field-id'),\n                                beforeid: info.targetNextElement.data('field-id'),\n                                categoryid: Number(info.targetList.closest('[data-category-id]').attr('data-category-id'))\n                            },\n                        },\n                    ])[0]\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n                }\n            });\n\n            $('[data-field-name]').on('sortablelist-drag', function(evt) {\n                var pendingPromise = new Pending('core_customfield/form:fieldname:on:sortablelist-drag');\n\n                evt.stopPropagation(); // Important for nested lists to prevent multiple targets.\n\n                // Refreshing fields tables.\n                Str.get_string('therearenofields', 'core_customfield').then(function(s) {\n                    $('#customfield_catlist .categorieslist').children().each(function() {\n                        var fields = $(this).find($('.field')),\n                            nofields = $(this).find($('.nofields'));\n                        if (!fields.length && !nofields.length) {\n                            $(this).find('tbody').append(\n                                '<tr class=\"nofields\"><td colspan=\"5\">' + s + '</td></tr>'\n                            );\n                        }\n                        if (fields.length && nofields.length) {\n                            nofields.remove();\n                        }\n                    });\n                    return null;\n                })\n                .then(pendingPromise.resolve)\n                .catch(Notification.exception);\n            });\n\n            $('[data-category-id], [data-field-name]').on('sortablelist-dragstart',\n                function(evt, info) {\n                    setTimeout(function() {\n                        $('.sortable-list-is-dragged').width(info.element.width());\n                    }, 501);\n                }\n            );\n\n        }\n    };\n});\n"],"names":["define","$","Str","Notification","Ajax","Templates","SortableList","Pending","confirmDelete","id","type","component","area","itemid","pendingPromise","get_strings","then","s","confirm","pendingDeletePromise","func","call","methodname","args","response","render","html","js","replaceNode","resolve","catch","exception","init","mainlist","attr","on","e","this","preventDefault","categoryid","promises","window","location","href","Promise","all","createNewCategory","categoryName","element","closest","find","moveHandlerSelector","getElementName","el","Deferred","evt","info","positionChanged","data","beforeid","targetNextElement","stopPropagation","getDestinationName","parentElement","afterElement","length","get_string","Number","targetList","children","each","fields","nofields","append","remove","setTimeout","width"],"mappings":";;;;;;;;AAuBAA,+BAAO,CACH,SACA,WACA,oBACA,YACA,iBACA,qBACA,eACA,0BACD,SAASC,EAAGC,IAAKC,aAAcC,KAAMC,UAAWC,aAAcC,aAWzDC,cAAgB,SAASC,GAAIC,KAAMC,UAAWC,KAAMC,YAChDC,eAAiB,IAAIP,QAAQ,uCACjCL,IAAIa,YAAY,CACZ,KAAQ,WACR,KAAQ,gBAAkBL,KAAMC,UAAW,oBAC3C,KAAQ,OACR,KAAQ,QAEXK,MAAK,SAASC,GACXd,aAAae,QAAQD,EAAE,GAAIA,EAAE,GAAIA,EAAE,GAAIA,EAAE,IAAI,eACrCE,qBAAuB,IAAIZ,QAAQ,uCACnCa,KAAiB,UAATV,KAAoB,gCAAkC,mCAClEN,KAAKiB,KAAK,CACN,CAACC,WAAYF,KAAMG,KAAM,CAACd,GAAIA,KAC9B,CAACa,WAAY,mCAAoCC,KAAM,CAACZ,UAAWA,UAAWC,KAAMA,KAAMC,OAAQA,WACnG,GACFG,MAAK,SAASQ,iBACJnB,UAAUoB,OAAO,wBAAyBD,aAEpDR,MAAK,SAASU,KAAMC,WACjBtB,UAAUuB,YAAY3B,EAAE,6BAA8ByB,KAAMC,IACrD,QAEVX,KAAKG,qBAAqBU,SAC1BC,MAAM3B,aAAa4B,iBAK3Bf,KAAKF,eAAee,SACpBC,MAAM3B,aAAa4B,kBAsCjB,CAIHC,KAAM,eACEC,SAAWhC,EAAE,wBACbU,UAAYsB,SAASC,KAAK,kBAC1BtB,KAAOqB,SAASC,KAAK,aACrBrB,OAASoB,SAASC,KAAK,eAE3BjC,EAAE,2BAA2BkC,GAAG,SAAS,SAASC,GAC9C5B,cAAcP,EAAEoC,MAAMH,KAAK,WAAY,QAASvB,UAAWC,KAAMC,QACjEuB,EAAEE,oBAGNrC,EAAE,8BAA8BkC,GAAG,SAAS,SAASC,GACjD5B,cAAcP,EAAEoC,MAAMH,KAAK,WAAY,WAAYvB,UAAWC,KAAMC,QACpEuB,EAAEE,oBAGNrC,EAAE,8BAA8BkC,GAAG,SAAS,YAhD5B,SAASxB,UAAWC,KAAMC,YAM1C0B,WALAzB,eAAiB,IAAIP,QAAQ,uCAC7BiC,SAAWpC,KAAKiB,KAAK,CACrB,CAACC,WAAY,mCAAoCC,KAAM,CAACZ,UAAWA,UAAWC,KAAMA,KAAMC,OAAQA,SAClG,CAACS,WAAY,mCAAoCC,KAAM,CAACZ,UAAWA,UAAWC,KAAMA,KAAMC,OAAQA,WAItG2B,SAAS,GAAGxB,MAAK,SAASQ,iBACtBe,WAAaf,SACN,QACRM,MAAM3B,aAAa4B,WAEtBS,SAAS,GAAGxB,MAAK,SAASQ,iBACfnB,UAAUoB,OAAO,wBAAyBD,aAEpDR,MAAK,SAASU,KAAMC,WACjBtB,UAAUuB,YAAY3B,EAAE,6BAA8ByB,KAAMC,IAC5Dc,OAAOC,SAASC,KAAO,aAAeJ,WAC/B,QAEVT,MAAM3B,aAAa4B,WAEpBa,QAAQC,IAAIL,UACXxB,KAAKF,eAAee,SACpBC,QAwBOgB,CAAkBnC,UAAWC,KAAMC,eAGnCkC,aAAe,SAASC,gBACjBA,QACFC,QAAQ,sBACRC,KAAK,mFACLhB,KAAK,eAIA,IAAI5B,aACdL,EAAE,wCACF,CAACkD,oBAAqB,wCAGlBC,eAAiB,SAASC,WACvBpD,EAAEqD,WAAWzB,QAAQkB,aAAaM,MAG7CpD,EAAE,sBAAsBkC,GAAG,qBAAqB,SAASoB,IAAKC,SACtDA,KAAKC,gBAAiB,KAClB3C,eAAiB,IAAIP,QAAQ,yDACjCH,KAAKiB,KAAK,CACN,CACIC,WAAY,iCACZC,KAAM,CACFd,GAAI+C,KAAKR,QAAQU,KAAK,eACtBC,SAAUH,KAAKI,kBAAkBF,KAAK,mBAI/C,GACF1C,KAAKF,eAAee,SACpBC,MAAM3B,aAAa4B,WAExBwB,IAAIM,qBAIG,IAAIvD,aACXL,EAAE,0CACF,CAACkD,oBAAqB,qCAGrBW,mBAAqB,SAASC,cAAeC,qBACzCA,aAAaC,OAEPD,aAAa9B,KAAK,mBAClBhC,IAAIgE,WAAW,aAAc,cAAeF,aAAa9B,KAAK,oBAE9DjC,EAAEqD,WAAWzB,QAAQ,IAJrB3B,IAAIgE,WAAW,kBAAmB,cAAenB,aAAagB,iBAQ7E9D,EAAE,qBAAqBkC,GAAG,qBAAqB,SAASoB,IAAKC,SACzDD,IAAIM,kBACAL,KAAKC,gBAAiB,KAClB3C,eAAiB,IAAIP,QAAQ,wDACjCH,KAAKiB,KAAK,CACN,CACIC,WAAY,8BACZC,KAAM,CACFd,GAAI+C,KAAKR,QAAQU,KAAK,YACtBC,SAAUH,KAAKI,kBAAkBF,KAAK,YACtCnB,WAAY4B,OAAOX,KAAKY,WAAWnB,QAAQ,sBAAsBf,KAAK,yBAG/E,GACFlB,KAAKF,eAAee,SACpBC,MAAM3B,aAAa4B,eAI5B9B,EAAE,qBAAqBkC,GAAG,qBAAqB,SAASoB,SAChDzC,eAAiB,IAAIP,QAAQ,wDAEjCgD,IAAIM,kBAGJ3D,IAAIgE,WAAW,mBAAoB,oBAAoBlD,MAAK,SAASC,UACjEhB,EAAE,wCAAwCoE,WAAWC,MAAK,eAClDC,OAAStE,EAAEoC,MAAMa,KAAKjD,EAAE,WACxBuE,SAAWvE,EAAEoC,MAAMa,KAAKjD,EAAE,cACzBsE,OAAON,QAAWO,SAASP,QAC5BhE,EAAEoC,MAAMa,KAAK,SAASuB,OAClB,wCAA0CxD,EAAI,cAGlDsD,OAAON,QAAUO,SAASP,QAC1BO,SAASE,YAGV,QAEV1D,KAAKF,eAAee,SACpBC,MAAM3B,aAAa4B,cAGxB9B,EAAE,yCAAyCkC,GAAG,0BAC1C,SAASoB,IAAKC,MACVmB,YAAW,WACP1E,EAAE,6BAA6B2E,MAAMpB,KAAKR,QAAQ4B,WACnD"}
\ No newline at end of file
diff --git a/enrol/manual/amd/build/form-potential-user-selector.min.js b/enrol/manual/amd/build/form-potential-user-selector.min.js
index 70944792b30..7fc5042c490 100644
--- a/enrol/manual/amd/build/form-potential-user-selector.min.js
+++ b/enrol/manual/amd/build/form-potential-user-selector.min.js
@@ -1,2 +1,12 @@
-define ("enrol_manual/form-potential-user-selector",["jquery","core/ajax","core/templates","core/str"],function(a,b,c,d){return{processResults:function processResults(b,c){var d=[];if(a.isArray(c)){a.each(c,function(a,b){d.push({value:b.id,label:b._label})});return d}else{return c}},transport:function transport(e,f,g,h){var i,j=a(e).attr("courseid"),k=a(e).attr("userfields").split(",");if("undefined"==typeof j){j="1"}var l=a(e).attr("enrolid");if("undefined"==typeof l){l=""}var m=parseInt(a(e).attr("perpage"));if(isNaN(m)){m=100}i=b.call([{methodname:"core_enrol_get_potential_users",args:{courseid:j,enrolid:l,search:f,searchanywhere:!0,page:0,perpage:m+1}}]);i[0].then(function(b){var e=[],f=0;if(b.length<=m){a.each(b,function(b,d){var f=d,g=[];a.each(k,function(a,b){if("undefined"!=typeof d[b]&&""!==d[b]){f.hasidentity=!0;g.push(d[b])}});f.identity=g.join(", ");e.push(c.render("enrol_manual/form-user-selector-suggestion",f))});return a.when.apply(a.when,e).then(function(){var c=arguments;a.each(b,function(a,b){b._label=c[f];f++});g(b)})}else{return d.get_string("toomanyuserstoshow","core",">"+m).then(function(a){g(a)})}}).fail(h)}}});
-//# sourceMappingURL=form-potential-user-selector.min.js.map
+/**
+ * Potential user selector module.
+ *
+ * @module     enrol_manual/form-potential-user-selector
+ * @class      form-potential-user-selector
+ * @package    enrol_manual
+ * @copyright  2016 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("enrol_manual/form-potential-user-selector",["jquery","core/ajax","core/templates","core/str"],(function($,Ajax,Templates,Str){return{processResults:function(selector,results){var users=[];return $.isArray(results)?($.each(results,(function(index,user){users.push({value:user.id,label:user._label})})),users):results},transport:function(selector,query,success,failure){var courseid=$(selector).attr("courseid"),userfields=$(selector).attr("userfields").split(",");void 0===courseid&&(courseid="1");var enrolid=$(selector).attr("enrolid");void 0===enrolid&&(enrolid="");var perpage=parseInt($(selector).attr("perpage"));isNaN(perpage)&&(perpage=100),Ajax.call([{methodname:"core_enrol_get_potential_users",args:{courseid:courseid,enrolid:enrolid,search:query,searchanywhere:!0,page:0,perpage:perpage+1}}])[0].then((function(results){var promises=[],i=0;return results.length<=perpage?($.each(results,(function(index,user){var ctx=user,identity=[];$.each(userfields,(function(i,k){void 0!==user[k]&&""!==user[k]&&(ctx.hasidentity=!0,identity.push(user[k]))})),ctx.identity=identity.join(", "),promises.push(Templates.render("enrol_manual/form-user-selector-suggestion",ctx))})),$.when.apply($.when,promises).then((function(){var args=arguments;$.each(results,(function(index,user){user._label=args[i],i++})),success(results)}))):Str.get_string("toomanyuserstoshow","core",">"+perpage).then((function(toomanyuserstoshow){success(toomanyuserstoshow)}))})).fail(failure)}}}));
+
+//# sourceMappingURL=form-potential-user-selector.min.js.map
\ No newline at end of file
diff --git a/enrol/manual/amd/build/form-potential-user-selector.min.js.map b/enrol/manual/amd/build/form-potential-user-selector.min.js.map
index 3f9f5baa2cd..e739acce569 100644
--- a/enrol/manual/amd/build/form-potential-user-selector.min.js.map
+++ b/enrol/manual/amd/build/form-potential-user-selector.min.js.map
@@ -1 +1 @@
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diff --git a/enrol/manual/amd/build/quickenrolment.min.js b/enrol/manual/amd/build/quickenrolment.min.js
index 43698935133..6f7b74caf3c 100644
--- a/enrol/manual/amd/build/quickenrolment.min.js
+++ b/enrol/manual/amd/build/quickenrolment.min.js
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0,DynamicTable=_interopRequireWildcard(DynamicTable),Str=_interopRequireWildcard(Str),Toast=_interopRequireWildcard(Toast),_config=_interopRequireDefault(_config),_fragment=_interopRequireDefault(_fragment),_modal_events=_interopRequireDefault(_modal_events),_modal_factory=_interopRequireDefault(_modal_factory),_notification=_interopRequireDefault(_notification),_jquery=_interopRequireDefault(_jquery),_pending=_interopRequireDefault(_pending),_prefetch=_interopRequireDefault(_prefetch);var Selectors_cohortSelector="#id_cohortlist",Selectors_triggerButtons=".enrolusersbutton.enrol_manual_plugin [type='submit']",Selectors_unwantedHiddenFields="input[value='_qf__force_multiselect_submission']",Selectors_buttonWrapper='[data-region="wrapper"]',getBodyForContext=function(contextId){return _fragment.default.loadFragment("enrol_manual","enrol_users_form",contextId,{})},registerEventListeners=function(contextId){document.addEventListener("click",(function(e){if(e.target.closest(Selectors_triggerButtons))return e.preventDefault(),void showModal((element=e.target,wrapper=element.closest(Selectors_buttonWrapper),DynamicTable.getTableFromId(wrapper.dataset.tableUniqueid)),contextId);var element,wrapper}))},showModal=function(dynamicTable,contextId){var pendingPromise=new _pending.default("enrol_manual/quickenrolment:showModal");return _modal_factory.default.create({type:_modal_factory.default.types.SAVE_CANCEL,large:!0,title:Str.get_string("enrolusers","enrol_manual"),body:getBodyForContext(contextId),buttons:{save:Str.get_string("enrolusers","enrol_manual")}}).then((function(modal){return modal.getRoot().on(_modal_events.default.save,(function(e){e.preventDefault(),modal.getRoot().find("form").submit()})),modal.getRoot().on("submit","form",(function(e){e.preventDefault(),submitFormAjax(dynamicTable,modal)})),modal.getRoot().on(_modal_events.default.hidden,(function(){modal.destroy()})),modal.show(),modal})).then((function(modal){return Promise.all([modal,modal.getBodyPromise()])})).then((function(_ref){var _ref2=_slicedToArray(_ref,2),modal=_ref2[0];return _ref2[1].get(0).querySelector(Selectors_cohortSelector)?modal.setSaveButtonText(Str.get_string("enroluserscohorts","enrol_manual")).then((function(){return modal})):modal})).then((function(modal){return pendingPromise.resolve(),modal})).catch(_notification.default.exception)},submitFormAjax=function(dynamicTable,modal){var form=modal.getRoot().find("form");form.get(0).querySelectorAll(Selectors_unwantedHiddenFields).forEach((function(hiddenField){return hiddenField.remove()})),modal.hide(),modal.destroy(),_jquery.default.ajax("".concat(_config.default.wwwroot,"/enrol/manual/ajax.php?").concat(form.serialize()),{type:"GET",processData:!1,contentType:"application/json"}).then((function(response){if(response.error)throw new Error(response.error);return response.count})).then((function(count){return Promise.all([Str.get_string("totalenrolledusers","enrol",count),DynamicTable.refreshTableContent(dynamicTable)])})).then((function(_ref3){return _slicedToArray(_ref3,1)[0]})).then((function(notificationBody){return Toast.add(notificationBody)})).catch((function(error){_notification.default.addNotification({message:error.message,type:"error"})}))};_exports.init=function(_ref5){var contextid=_ref5.contextid;registerEventListeners(contextid),_prefetch.default.prefetchStrings("enrol_manual",["enrolusers","enroluserscohorts"]),_prefetch.default.prefetchString("enrol","totalenrolledusers")}}));
+
+//# sourceMappingURL=quickenrolment.min.js.map
\ No newline at end of file
diff --git a/enrol/manual/amd/build/quickenrolment.min.js.map b/enrol/manual/amd/build/quickenrolment.min.js.map
index ed1942e5b69..b6232cd7c34 100644
--- a/enrol/manual/amd/build/quickenrolment.min.js.map
+++ b/enrol/manual/amd/build/quickenrolment.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  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});\n\n        modal.getRoot().on('submit', 'form', e => {\n            e.preventDefault();\n\n            submitFormAjax(dynamicTable, modal);\n        });\n\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            modal.destroy();\n        });\n\n        modal.show();\n\n        return modal;\n    })\n    .then(modal => Promise.all([modal, modal.getBodyPromise()]))\n    .then(([modal, body]) => {\n        if (body.get(0).querySelector(Selectors.cohortSelector)) {\n            return modal.setSaveButtonText(Str.get_string('enroluserscohorts', 'enrol_manual')).then(() => modal);\n        }\n\n        return modal;\n    })\n    .then(modal => {\n        pendingPromise.resolve();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Submit the form via ajax.\n *\n * @param {HTMLElement} dynamicTable\n * @param {Object} modal\n */\nconst submitFormAjax = (dynamicTable, modal) => {\n    // Note: We use a jQuery object here so that we can use its 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DynamicTable.refreshTableContent(dynamicTable),\n        ]);\n    })\n    .then(([notificationBody]) => notificationBody)\n    .then(notificationBody => Toast.add(notificationBody))\n    .catch(error => {\n        Notification.addNotification({\n            message: error.message,\n            type: 'error',\n        });\n    });\n};\n\n/**\n * Set up quick enrolment for the manual enrolment plugin.\n *\n * @param {Number} contextid The context id to setup for\n */\nexport const init = ({contextid}) => {\n    registerEventListeners(contextid);\n\n    Prefetch.prefetchStrings('enrol_manual', [\n        'enrolusers',\n        'enroluserscohorts',\n    ]);\n\n    Prefetch.prefetchString('enrol', 'totalenrolledusers');\n};\n"],"file":"quickenrolment.min.js"}
\ No newline at end of file
+{"version":3,"file":"quickenrolment.min.js","sources":["../src/quickenrolment.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Quick enrolment AMD module.\n *\n * @module     enrol_manual/quickenrolment\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Str from 'core/str';\nimport * as Toast from 'core/toast';\nimport Config from 'core/config';\nimport Fragment from 'core/fragment';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport jQuery from 'jquery';\nimport Pending from 'core/pending';\nimport Prefetch from 'core/prefetch';\n\nconst Selectors = {\n    cohortSelector: \"#id_cohortlist\",\n    triggerButtons: \".enrolusersbutton.enrol_manual_plugin [type='submit']\",\n    unwantedHiddenFields: \"input[value='_qf__force_multiselect_submission']\",\n    buttonWrapper: '[data-region=\"wrapper\"]',\n};\n\n/**\n * Get the content of the body for the specified context.\n *\n * @param {Number} contextId\n * @returns {Promise}\n */\nconst getBodyForContext = contextId => {\n    return Fragment.loadFragment('enrol_manual', 'enrol_users_form', contextId, {});\n};\n\n/**\n * Get the dynamic table for the button.\n *\n * @param {HTMLElement} element\n * @returns {HTMLElement}\n */\nconst getDynamicTableForElement = element => {\n    const wrapper = element.closest(Selectors.buttonWrapper);\n\n    return DynamicTable.getTableFromId(wrapper.dataset.tableUniqueid);\n};\n\n/**\n * Register the event listeners for this contextid.\n *\n * @param {Number} contextId\n */\nconst registerEventListeners = contextId => {\n    document.addEventListener('click', e => {\n        if (e.target.closest(Selectors.triggerButtons)) {\n            e.preventDefault();\n\n            showModal(getDynamicTableForElement(e.target), contextId);\n\n            return;\n        }\n    });\n};\n\n/**\n * Display the modal for this contextId.\n *\n * @param {HTMLElement} dynamicTable The table to beb refreshed when changes are made\n * @param {Number} contextId\n * @returns {Promise}\n */\nconst showModal = (dynamicTable, contextId) => {\n    const pendingPromise = new Pending('enrol_manual/quickenrolment:showModal');\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        large: true,\n        title: Str.get_string('enrolusers', 'enrol_manual'),\n        body: getBodyForContext(contextId),\n        buttons: {\n            save: Str.get_string('enrolusers', 'enrol_manual'),\n        }\n    })\n    .then(modal => {\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Trigger a form submission, so that any mform elements can do final tricks before the form submission\n            // is processed.\n            // The actual submit even tis captured in the next handler.\n\n            e.preventDefault();\n            modal.getRoot().find('form').submit();\n        });\n\n        modal.getRoot().on('submit', 'form', e => {\n            e.preventDefault();\n\n            submitFormAjax(dynamicTable, modal);\n        });\n\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            modal.destroy();\n        });\n\n        modal.show();\n\n        return modal;\n    })\n    .then(modal => Promise.all([modal, modal.getBodyPromise()]))\n    .then(([modal, body]) => {\n        if (body.get(0).querySelector(Selectors.cohortSelector)) {\n            return modal.setSaveButtonText(Str.get_string('enroluserscohorts', 'enrol_manual')).then(() => modal);\n        }\n\n        return modal;\n    })\n    .then(modal => {\n        pendingPromise.resolve();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Submit the form via ajax.\n *\n * @param {HTMLElement} dynamicTable\n * @param {Object} modal\n */\nconst submitFormAjax = (dynamicTable, modal) => {\n    // Note: We use a jQuery object here so that we can use its serialize functionality.\n    const form = modal.getRoot().find('form');\n\n    // Before send the data through AJAX, we need to parse and remove some unwanted hidden fields.\n    // This hidden fields are added automatically by mforms and when it reaches the AJAX we get an error.\n    form.get(0).querySelectorAll(Selectors.unwantedHiddenFields).forEach(hiddenField => hiddenField.remove());\n\n    modal.hide();\n    modal.destroy();\n\n    jQuery.ajax(\n        `${Config.wwwroot}/enrol/manual/ajax.php?${form.serialize()}`,\n        {\n            type: 'GET',\n            processData: false,\n            contentType: \"application/json\",\n        }\n    )\n    .then(response => {\n        if (response.error) {\n            throw new Error(response.error);\n        }\n\n        return response.count;\n    })\n    .then(count => {\n        return Promise.all([\n            Str.get_string('totalenrolledusers', 'enrol', count),\n            DynamicTable.refreshTableContent(dynamicTable),\n        ]);\n    })\n    .then(([notificationBody]) => notificationBody)\n    .then(notificationBody => Toast.add(notificationBody))\n    .catch(error => {\n        Notification.addNotification({\n            message: error.message,\n            type: 'error',\n        });\n    });\n};\n\n/**\n * Set up quick enrolment for the manual enrolment plugin.\n *\n * @param {Number} contextid The context id to setup for\n */\nexport const init = ({contextid}) => {\n    registerEventListeners(contextid);\n\n    Prefetch.prefetchStrings('enrol_manual', [\n        'enrolusers',\n        'enroluserscohorts',\n    ]);\n\n    Prefetch.prefetchString('enrol', 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diff --git a/grade/amd/build/edittree_index.min.js b/grade/amd/build/edittree_index.min.js
index 4692f4a738a..5c4109355bd 100644
--- a/grade/amd/build/edittree_index.min.js
+++ b/grade/amd/build/edittree_index.min.js
@@ -1,2 +1,11 @@
-define ("core_grades/edittree_index",["jquery"],function(a){var b=function(){a("body").on("change",".weightoverride",b.toggleWeightInput);a("#menumoveafter").on("change",function(){var b=a(this).closest("form"),c=b.find("#bulkmoveinput");c.val(1);b.submit()})};b.toggleWeightInput=function(b){b.preventDefault();var c=a(this),d=c.closest("tr");a("input[name=\"weight_"+d.data("itemid")+"\"]").prop("disabled",!c.prop("checked"))};return{enhance:b}});
-//# sourceMappingURL=edittree_index.min.js.map
+/**
+ * Enhance the gradebook tree setup with various facilities.
+ *
+ * @module     core_grades/edittree_index
+ * @package    core_grades
+ * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_grades/edittree_index",["jquery"],(function($){var edittree=function edittree(){$("body").on("change",".weightoverride",edittree.toggleWeightInput),$("#menumoveafter").on("change",(function(){var form=$(this).closest("form");form.find("#bulkmoveinput").val(1),form.submit()}))};return edittree.toggleWeightInput=function(e){e.preventDefault();var node=$(this),row=node.closest("tr");$('input[name="weight_'+row.data("itemid")+'"]').prop("disabled",!node.prop("checked"))},{enhance:edittree}}));
+
+//# sourceMappingURL=edittree_index.min.js.map
\ No newline at end of file
diff --git a/grade/amd/build/edittree_index.min.js.map b/grade/amd/build/edittree_index.min.js.map
index 26c6df9e44e..19d41a42d6c 100644
--- a/grade/amd/build/edittree_index.min.js.map
+++ b/grade/amd/build/edittree_index.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/edittree_index.js"],"names":["define","$","edittree","on","toggleWeightInput","form","closest","bulkmove","find","val","submit","e","preventDefault","node","row","data","prop","enhance"],"mappings":"AAuBAA,OAAM,8BAAC,CACH,QADG,CAAD,CAEH,SAASC,CAAT,CAAY,CAMX,GAAIC,CAAAA,CAAQ,CAAG,UAAW,CAEtBD,CAAC,CAAC,MAAD,CAAD,CAAUE,EAAV,CAAa,QAAb,CAAuB,iBAAvB,CAA0CD,CAAQ,CAACE,iBAAnD,EAGAH,CAAC,CAAC,gBAAD,CAAD,CAAoBE,EAApB,CAAuB,QAAvB,CAAiC,UAAW,CACxC,GAAIE,CAAAA,CAAI,CAAGJ,CAAC,CAAC,IAAD,CAAD,CAAQK,OAAR,CAAgB,MAAhB,CAAX,CACIC,CAAQ,CAAGF,CAAI,CAACG,IAAL,CAAU,gBAAV,CADf,CAGAD,CAAQ,CAACE,GAAT,CAAa,CAAb,EACAJ,CAAI,CAACK,MAAL,EACH,CAND,CAOH,CAZD,CAqBAR,CAAQ,CAACE,iBAAT,CAA6B,SAASO,CAAT,CAAY,CACrCA,CAAC,CAACC,cAAF,GACA,GAAIC,CAAAA,CAAI,CAAGZ,CAAC,CAAC,IAAD,CAAZ,CACIa,CAAG,CAAGD,CAAI,CAACP,OAAL,CAAa,IAAb,CADV,CAGAL,CAAC,CAAC,uBAAwBa,CAAG,CAACC,IAAJ,CAAS,QAAT,CAAxB,CAA6C,KAA9C,CAAD,CAAqDC,IAArD,CAA0D,UAA1D,CAAsE,CAACH,CAAI,CAACG,IAAL,CAAU,SAAV,CAAvE,CACH,CAND,CAQA,MAAuD,CACnDC,OAAO,CAAEf,CAD0C,CAG1D,CAxCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enhance the gradebook tree setup with various facilities.\n *\n * @module     core_grades/edittree_index\n * @package    core_grades\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n], function($) {\n    /**\n     * Enhance the edittree functionality.\n     *\n     * @method edittree\n     */\n    var edittree = function() {\n        // Watch for the weight override checkboxes.\n        $('body').on('change', '.weightoverride', edittree.toggleWeightInput);\n\n        // Watch changes to the bulk move menu and submit.\n        $('#menumoveafter').on('change', function() {\n            var form = $(this).closest('form'),\n                bulkmove = form.find('#bulkmoveinput');\n\n            bulkmove.val(1);\n            form.submit();\n        });\n    };\n\n    /**\n     * Toggle the weight input field based on its checkbox.\n     *\n     * @method toggleWeightInput\n     * @param {EventFacade} e\n     * @private\n     */\n    edittree.toggleWeightInput = function(e) {\n        e.preventDefault();\n        var node = $(this),\n            row = node.closest('tr');\n\n        $('input[name=\"weight_' + row.data('itemid') + '\"]').prop('disabled', !node.prop('checked'));\n    };\n\n    return /** @alias module:core_grades/edittree_index */ {\n        enhance: edittree\n    };\n});\n"],"file":"edittree_index.min.js"}
\ No newline at end of file
+{"version":3,"file":"edittree_index.min.js","sources":["../src/edittree_index.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enhance the gradebook tree setup with various facilities.\n *\n * @module     core_grades/edittree_index\n * @package    core_grades\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n], function($) {\n    /**\n     * Enhance the edittree functionality.\n     *\n     * @method edittree\n     */\n    var edittree = function() {\n        // Watch for the weight override checkboxes.\n        $('body').on('change', '.weightoverride', edittree.toggleWeightInput);\n\n        // Watch changes to the bulk move menu and submit.\n        $('#menumoveafter').on('change', function() {\n            var form = $(this).closest('form'),\n                bulkmove = form.find('#bulkmoveinput');\n\n            bulkmove.val(1);\n            form.submit();\n        });\n    };\n\n    /**\n     * Toggle the weight input field based on its checkbox.\n     *\n     * @method toggleWeightInput\n     * @param {EventFacade} e\n     * @private\n     */\n    edittree.toggleWeightInput = function(e) {\n        e.preventDefault();\n        var node = $(this),\n            row = node.closest('tr');\n\n        $('input[name=\"weight_' + row.data('itemid') + '\"]').prop('disabled', !node.prop('checked'));\n    };\n\n    return /** @alias module:core_grades/edittree_index */ {\n        enhance: edittree\n    };\n});\n"],"names":["define","$","edittree","on","toggleWeightInput","form","this","closest","find","val","submit","e","preventDefault","node","row","data","prop","enhance"],"mappings":";;;;;;;;AAuBAA,oCAAO,CACH,WACD,SAASC,OAMJC,SAAW,SAAXA,WAEAD,EAAE,QAAQE,GAAG,SAAU,kBAAmBD,SAASE,mBAGnDH,EAAE,kBAAkBE,GAAG,UAAU,eACzBE,KAAOJ,EAAEK,MAAMC,QAAQ,QACZF,KAAKG,KAAK,kBAEhBC,IAAI,GACbJ,KAAKK,oBAWbR,SAASE,kBAAoB,SAASO,GAClCA,EAAEC,qBACEC,KAAOZ,EAAEK,MACTQ,IAAMD,KAAKN,QAAQ,MAEvBN,EAAE,sBAAwBa,IAAIC,KAAK,UAAY,MAAMC,KAAK,YAAaH,KAAKG,KAAK,aAG9B,CACnDC,QAASf"}
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/comparison.min.js b/grade/amd/build/grades/grader/gradingpanel/comparison.min.js
index 7492939ee99..90ea1d2cb07 100644
--- a/grade/amd/build/grades/grader/gradingpanel/comparison.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/comparison.min.js
@@ -1,2 +1,12 @@
-define ("core_grades/grades/grader/gradingpanel/comparison",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.fillInitialValues=a.compareData=void 0;var b=function(a){Array.prototype.forEach.call(a.elements,function(a){if("submit"===a.type||"button"===a.type){}else if("radio"===a.type||"checkbox"===a.type){a.dataset.initialValue=JSON.stringify(a.checked)}else if("undefined"!=typeof a.value){a.dataset.initialValue=JSON.stringify(a.value)}else if("select-one"===a.type){Array.prototype.forEach.call(a.options,function(a){a.dataset.initialValue=JSON.stringify(a.selected)})}})};a.fillInitialValues=b;a.compareData=function compareData(a){var c=Array.prototype.some.call(a.elements,function(a){if("submit"===a.type||"button"===a.type){return!1}else if("radio"===a.type||"checkbox"===a.type){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.checked)}}else if("undefined"!=typeof a.value){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.value)}}else if("select-one"===a.type){return Array.prototype.some.call(a.options,function(a){if("undefined"!=typeof a.dataset.initialValue){return a.dataset.initialValue!==JSON.stringify(a.selected)}return!1})}return!0});b(a);return c}});
-//# sourceMappingURL=comparison.min.js.map
+define("core_grades/grades/grader/gradingpanel/comparison",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.fillInitialValues=_exports.compareData=void 0;
+/**
+   * Compare a given form's values and its previously set data attributes.
+   *
+   * @module     core_grades/grades/grader/gradingpanel/comparison
+   * @package    core_grades
+   * @copyright  2019 Mathew May <mathew.solutions>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var fillInitialValues=function(form){Array.prototype.forEach.call(form.elements,(function(input){"submit"!==input.type&&"button"!==input.type&&("radio"===input.type||"checkbox"===input.type?input.dataset.initialValue=JSON.stringify(input.checked):void 0!==input.value?input.dataset.initialValue=JSON.stringify(input.value):"select-one"===input.type&&Array.prototype.forEach.call(input.options,(function(option){option.dataset.initialValue=JSON.stringify(option.selected)})))}))};_exports.fillInitialValues=fillInitialValues;_exports.compareData=function(form){var result=Array.prototype.some.call(form.elements,(function(input){if("submit"===input.type||"button"===input.type)return!1;if("radio"===input.type||"checkbox"===input.type){if(void 0!==input.dataset.initialValue)return input.dataset.initialValue!==JSON.stringify(input.checked)}else if(void 0!==input.value){if(void 0!==input.dataset.initialValue)return input.dataset.initialValue!==JSON.stringify(input.value)}else if("select-one"===input.type)return Array.prototype.some.call(input.options,(function(option){return void 0!==option.dataset.initialValue&&option.dataset.initialValue!==JSON.stringify(option.selected)}));return!0}));return fillInitialValues(form),result}}));
+
+//# sourceMappingURL=comparison.min.js.map
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/comparison.min.js.map b/grade/amd/build/grades/grader/gradingpanel/comparison.min.js.map
index 0f76f2eff8b..1492efab4df 100644
--- a/grade/amd/build/grades/grader/gradingpanel/comparison.min.js.map
+++ b/grade/amd/build/grades/grader/gradingpanel/comparison.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Compare a given form's values and its previously set data attributes.\n *\n * @module     core_grades/grades/grader/gradingpanel/comparison\n * @package    core_grades\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nexport const fillInitialValues = (form) => {\n    Array.prototype.forEach.call(form.elements, (input) => {\n        if (input.type === 'submit' || input.type === 'button') {\n            return;\n        } else if (input.type === 'radio' || input.type === 'checkbox') {\n            input.dataset.initialValue = JSON.stringify(input.checked);\n        } else if (typeof input.value !== 'undefined') {\n            input.dataset.initialValue = JSON.stringify(input.value);\n        } else if (input.type === 'select-one') {\n            Array.prototype.forEach.call(input.options, (option) => {\n                option.dataset.initialValue = JSON.stringify(option.selected);\n            });\n        }\n   });\n};\n\n\n/**\n * Compare the form data with the initial form data from when the form was set up.\n *\n * If values have changed, return a truthy value.\n *\n * @param {HTMLElement} form\n * @return {Boolean}\n */\nexport const compareData = (form) => {\n    const result = Array.prototype.some.call(form.elements, (input) => {\n        if (input.type === 'submit' || input.type === 'button') {\n            return false;\n        } else if (input.type === 'radio' || input.type === 'checkbox') {\n            if (typeof input.dataset.initialValue !== 'undefined') {\n                return input.dataset.initialValue !== JSON.stringify(input.checked);\n            }\n        } else if (typeof input.value !== 'undefined') {\n            if (typeof input.dataset.initialValue !== 'undefined') {\n                return input.dataset.initialValue !== JSON.stringify(input.value);\n            }\n        } else if (input.type === 'select-one') {\n            return Array.prototype.some.call(input.options, (option) => {\n                if (typeof option.dataset.initialValue !== 'undefined') {\n                    return option.dataset.initialValue !== JSON.stringify(option.selected);\n                }\n\n                return false;\n            });\n        }\n\n        // No value found to check. Assume that there were changes.\n        return true;\n    });\n\n    // Fill the initial values again as the form may not be reloaded.\n    fillInitialValues(form);\n\n    return result;\n};\n"],"file":"comparison.min.js"}
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+{"version":3,"file":"comparison.min.js","sources":["../../../../src/grades/grader/gradingpanel/comparison.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Compare a given form's values and its previously set data attributes.\n *\n * @module     core_grades/grades/grader/gradingpanel/comparison\n * @package    core_grades\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nexport const fillInitialValues = (form) => {\n    Array.prototype.forEach.call(form.elements, (input) => {\n        if (input.type === 'submit' || input.type === 'button') {\n            return;\n        } else if (input.type === 'radio' || input.type === 'checkbox') {\n            input.dataset.initialValue = JSON.stringify(input.checked);\n        } else if (typeof input.value !== 'undefined') {\n            input.dataset.initialValue = JSON.stringify(input.value);\n        } else if (input.type === 'select-one') {\n            Array.prototype.forEach.call(input.options, (option) => {\n                option.dataset.initialValue = JSON.stringify(option.selected);\n            });\n        }\n   });\n};\n\n\n/**\n * Compare the form data with the initial form data from when the form was set up.\n *\n * If values have changed, return a truthy value.\n *\n * @param {HTMLElement} form\n * @return {Boolean}\n */\nexport const compareData = (form) => {\n    const result = Array.prototype.some.call(form.elements, (input) => {\n        if (input.type === 'submit' || input.type === 'button') {\n            return false;\n        } else if (input.type === 'radio' || input.type === 'checkbox') {\n            if (typeof input.dataset.initialValue !== 'undefined') {\n                return input.dataset.initialValue !== JSON.stringify(input.checked);\n            }\n        } else if (typeof input.value !== 'undefined') {\n            if (typeof input.dataset.initialValue !== 'undefined') {\n                return input.dataset.initialValue !== JSON.stringify(input.value);\n            }\n        } else if (input.type === 'select-one') {\n            return Array.prototype.some.call(input.options, (option) => {\n                if (typeof option.dataset.initialValue !== 'undefined') {\n                    return option.dataset.initialValue !== JSON.stringify(option.selected);\n                }\n\n                return false;\n            });\n        }\n\n        // No value found to check. Assume that there were changes.\n        return true;\n    });\n\n    // Fill the initial values again as the form may not be reloaded.\n    fillInitialValues(form);\n\n    return result;\n};\n"],"names":["fillInitialValues","form","Array","prototype","forEach","call","elements","input","type","dataset","initialValue","JSON","stringify","checked","value","options","option","selected","result","some"],"mappings":";;;;;;;;;IAwBaA,kBAAoB,SAACC,MAC9BC,MAAMC,UAAUC,QAAQC,KAAKJ,KAAKK,UAAU,SAACC,OACtB,WAAfA,MAAMC,MAAoC,WAAfD,MAAMC,OAEX,UAAfD,MAAMC,MAAmC,aAAfD,MAAMC,KACvCD,MAAME,QAAQC,aAAeC,KAAKC,UAAUL,MAAMM,cACpB,IAAhBN,MAAMO,MACpBP,MAAME,QAAQC,aAAeC,KAAKC,UAAUL,MAAMO,OAC5B,eAAfP,MAAMC,MACbN,MAAMC,UAAUC,QAAQC,KAAKE,MAAMQ,SAAS,SAACC,QACzCA,OAAOP,QAAQC,aAAeC,KAAKC,UAAUI,OAAOC,oFAezC,SAAChB,UAClBiB,OAAShB,MAAMC,UAAUgB,KAAKd,KAAKJ,KAAKK,UAAU,SAACC,UAClC,WAAfA,MAAMC,MAAoC,WAAfD,MAAMC,YAC1B,EACJ,GAAmB,UAAfD,MAAMC,MAAmC,aAAfD,MAAMC,cACG,IAA/BD,MAAME,QAAQC,oBACdH,MAAME,QAAQC,eAAiBC,KAAKC,UAAUL,MAAMM,cAE5D,QAA2B,IAAhBN,MAAMO,eACsB,IAA/BP,MAAME,QAAQC,oBACdH,MAAME,QAAQC,eAAiBC,KAAKC,UAAUL,MAAMO,YAE5D,GAAmB,eAAfP,MAAMC,YACNN,MAAMC,UAAUgB,KAAKd,KAAKE,MAAMQ,SAAS,SAACC,oBACF,IAAhCA,OAAOP,QAAQC,cACfM,OAAOP,QAAQC,eAAiBC,KAAKC,UAAUI,OAAOC,oBAQlE,YAIXjB,kBAAkBC,MAEXiB"}
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diff --git a/grade/amd/build/grades/grader/gradingpanel/normalise.min.js b/grade/amd/build/grades/grader/gradingpanel/normalise.min.js
index 5a8c8d50495..299a49680c0 100644
--- a/grade/amd/build/grades/grader/gradingpanel/normalise.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/normalise.min.js
@@ -1,2 +1,3 @@
-define ("core_grades/grades/grader/gradingpanel/normalise",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.normaliseResult=a.invalidResult=a.failedUpdate=void 0;a.normaliseResult=function normaliseResult(a){return{result:a,failed:!!a.warnings.length,success:!a.warnings.length,error:null}};a.invalidResult=function invalidResult(){return{success:!1,failed:!1,result:{},error:null}};a.failedUpdate=function failedUpdate(a){return{success:!1,failed:!0,result:{},error:a}}});
-//# sourceMappingURL=normalise.min.js.map
+define("core_grades/grades/grader/gradingpanel/normalise",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.normaliseResult=_exports.invalidResult=_exports.failedUpdate=void 0;_exports.normaliseResult=function(result){return{result:result,failed:!!result.warnings.length,success:!result.warnings.length,error:null}};_exports.invalidResult=function(){return{success:!1,failed:!1,result:{},error:null}};_exports.failedUpdate=function(error){return{success:!1,failed:!0,result:{},error:error}}}));
+
+//# sourceMappingURL=normalise.min.js.map
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diff --git a/grade/amd/build/grades/grader/gradingpanel/normalise.min.js.map b/grade/amd/build/grades/grader/gradingpanel/normalise.min.js.map
index 7b4f090ad1c..a32e6015549 100644
--- a/grade/amd/build/grades/grader/gradingpanel/normalise.min.js.map
+++ b/grade/amd/build/grades/grader/gradingpanel/normalise.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../src/grades/grader/gradingpanel/normalise.js"],"names":["normaliseResult","result","failed","warnings","length","success","error","invalidResult","failedUpdate"],"mappings":"2NA8B+B,QAAlBA,CAAAA,eAAkB,CAAAC,CAAM,CAAI,CACrC,MAAO,CACHA,MAAM,CAANA,CADG,CAEHC,MAAM,CAAE,CAAC,CAACD,CAAM,CAACE,QAAP,CAAgBC,MAFvB,CAGHC,OAAO,CAAE,CAACJ,CAAM,CAACE,QAAP,CAAgBC,MAHvB,CAIHE,KAAK,CAAE,IAJJ,CAMV,C,iBAO4B,QAAhBC,CAAAA,aAAgB,EAAM,CAC/B,MAAO,CACHF,OAAO,GADJ,CAEHH,MAAM,GAFH,CAGHD,MAAM,CAAE,EAHL,CAIHK,KAAK,CAAE,IAJJ,CAMV,C,gBAQ2B,QAAfE,CAAAA,YAAe,CAAAF,CAAK,CAAI,CACjC,MAAO,CACHD,OAAO,GADJ,CAEHH,MAAM,GAFH,CAGHD,MAAM,CAAE,EAHL,CAIHK,KAAK,CAALA,CAJG,CAMV,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Error handling and normalisation of provided data.\n *\n * @module     core_grades/grades/grader/gradingpanel/normalise\n * @package    core_grades\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Normalise a resultset for consumption by the grader.\n *\n * @param {Object} result The result returned from a grading web service\n * @return {Object}\n */\nexport const normaliseResult = result => {\n    return {\n        result,\n        failed: !!result.warnings.length,\n        success: !result.warnings.length,\n        error: null,\n    };\n};\n\n/**\n * Return the resultset used to describe an invalid result.\n *\n * @return {Object}\n */\nexport const invalidResult = () => {\n    return {\n        success: false,\n        failed: false,\n        result: {},\n        error: null,\n    };\n};\n\n/**\n * Return the resultset used to describe a failed update.\n *\n * @param {Object} error\n * @return {Object}\n */\nexport const failedUpdate = error => {\n    return {\n        success: false,\n        failed: true,\n        result: {},\n        error,\n    };\n};\n"],"file":"normalise.min.js"}
\ No newline at end of file
+{"version":3,"file":"normalise.min.js","sources":["../../../../src/grades/grader/gradingpanel/normalise.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Error handling and normalisation of provided data.\n *\n * @module     core_grades/grades/grader/gradingpanel/normalise\n * @package    core_grades\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Normalise a resultset for consumption by the grader.\n *\n * @param {Object} result The result returned from a grading web service\n * @return {Object}\n */\nexport const normaliseResult = result => {\n    return {\n        result,\n        failed: !!result.warnings.length,\n        success: !result.warnings.length,\n        error: null,\n    };\n};\n\n/**\n * Return the resultset used to describe an invalid result.\n *\n * @return {Object}\n */\nexport const invalidResult = () => {\n    return {\n        success: false,\n        failed: false,\n        result: {},\n        error: null,\n    };\n};\n\n/**\n * Return the resultset used to describe a failed update.\n *\n * @param {Object} error\n * @return {Object}\n */\nexport const failedUpdate = error => {\n    return {\n        success: false,\n        failed: true,\n        result: {},\n        error,\n    };\n};\n"],"names":["result","failed","warnings","length","success","error"],"mappings":"wPA8B+B,SAAAA,cACpB,CACHA,OAAAA,OACAC,SAAUD,OAAOE,SAASC,OAC1BC,SAAUJ,OAAOE,SAASC,OAC1BE,MAAO,8BASc,iBAClB,CACHD,SAAS,EACTH,QAAQ,EACRD,OAAQ,GACRK,MAAO,6BAUa,SAAAA,aACjB,CACHD,SAAS,EACTH,QAAQ,EACRD,OAAQ,GACRK,MAAAA"}
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/point.min.js b/grade/amd/build/grades/grader/gradingpanel/point.min.js
index 153fbefce1a..d32eadabbc0 100644
--- a/grade/amd/build/grades/grader/gradingpanel/point.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/point.min.js
@@ -1,2 +1,3 @@
-define ("core_grades/grades/grader/gradingpanel/point",["exports","./repository","core_grades/grades/grader/gradingpanel/comparison","jquery","./normalise"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;d=function(a){return a&&a.__esModule?a:{default:a}}(d);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var g=a.apply(b,c);function h(a){f(g,d,e,h,i,"next",a)}function i(a){f(g,d,e,h,i,"throw",a)}h(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(){return(0,b.fetchGrade)("point").apply(void 0,arguments)};var h=function(){var a=g(regeneratorRuntime.mark(function k(a,f,g,h,i,j){var l,m;return regeneratorRuntime.wrap(function(k){while(1){switch(k.prev=k.next){case 0:l=j.querySelector("form");m=l.querySelector("input[name=\"grade\"]");if(!(!m.checkValidity()||!m.value.trim())){k.next=4;break}return k.abrupt("return",e.invalidResult);case 4:if(!(!0===(0,c.compareData)(l))){k.next=10;break}k.next=7;return(0,b.saveGrade)("point")(a,f,g,h,i,(0,d.default)(l).serialize());case 7:return k.abrupt("return",k.sent);case 10:return k.abrupt("return","");case 11:case"end":return k.stop();}}},k)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
-//# sourceMappingURL=point.min.js.map
+define("core_grades/grades/grader/gradingpanel/point",["exports","./repository","core_grades/grades/grader/gradingpanel/comparison","jquery","./normalise"],(function(_exports,_repository,_comparison,_jquery,_normalise){var obj;function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.storeCurrentGrade=_exports.fetchCurrentGrade=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};_exports.fetchCurrentGrade=function(){return(0,_repository.fetchGrade)("point").apply(void 0,arguments)};var fn,_ref,storeCurrentGrade=(fn=regeneratorRuntime.mark((function _callee(component,context,itemname,userId,notifyUser,rootNode){var form,grade;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:if(form=rootNode.querySelector("form"),(grade=form.querySelector('input[name="grade"]')).checkValidity()&&grade.value.trim()){_context.next=4;break}return _context.abrupt("return",_normalise.invalidResult);case 4:if(!0!==(0,_comparison.compareData)(form)){_context.next=10;break}return _context.next=7,(0,_repository.saveGrade)("point")(component,context,itemname,userId,notifyUser,(0,_jquery.default)(form).serialize());case 7:return _context.abrupt("return",_context.sent);case 10:return _context.abrupt("return","");case 11:case"end":return _context.stop()}}),_callee)})),_ref=function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))},function(_x,_x2,_x3,_x4,_x5,_x6){return _ref.apply(this,arguments)});_exports.storeCurrentGrade=storeCurrentGrade}));
+
+//# sourceMappingURL=point.min.js.map
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/point.min.js.map b/grade/amd/build/grades/grader/gradingpanel/point.min.js.map
index 4f3b718f3fb..e1a133544ae 100644
--- a/grade/amd/build/grades/grader/gradingpanel/point.min.js.map
+++ b/grade/amd/build/grades/grader/gradingpanel/point.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../src/grades/grader/gradingpanel/point.js"],"names":["fetchCurrentGrade","storeCurrentGrade","component","context","itemname","userId","notifyUser","rootNode","form","querySelector","grade","checkValidity","value","trim","invalidResult","serialize"],"mappings":"8RA2BA,uD,mVAaiC,QAApBA,CAAAA,iBAAoB,SAAa,iBAAW,OAAX,yBAAb,C,CAc1B,GAAMC,CAAAA,CAAiB,4CAAG,WAAMC,CAAN,CAAiBC,CAAjB,CAA0BC,CAA1B,CAAoCC,CAApC,CAA4CC,CAA5C,CAAwDC,CAAxD,2FACvBC,CADuB,CAChBD,CAAQ,CAACE,aAAT,CAAuB,MAAvB,CADgB,CAEvBC,CAFuB,CAEfF,CAAI,CAACC,aAAL,CAAmB,uBAAnB,CAFe,MAIzB,CAACC,CAAK,CAACC,aAAN,EAAD,EAA0B,CAACD,CAAK,CAACE,KAAN,CAAYC,IAAZ,EAJF,2CAKlBC,eALkB,cAQzB,uBAAYN,CAAZ,CARyB,kCASZ,gBAAU,OAAV,EAAmBN,CAAnB,CAA8BC,CAA9B,CAAuCC,CAAvC,CAAiDC,CAAjD,CAAyDC,CAAzD,CAAqE,cAAOE,CAAP,EAAaO,SAAb,EAArE,CATY,0EAWlB,EAXkB,2CAAH,uDAAvB,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel for simple direct grading.\n *\n * @module     core_grades/grades/grader/gradingpanel/point\n * @package    core_grades\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {saveGrade, fetchGrade} from './repository';\nimport {compareData} from 'core_grades/grades/grader/gradingpanel/comparison';\n// Note: We use jQuery.serializer here until we can rewrite Ajax to use XHR.send()\nimport jQuery from 'jquery';\nimport {invalidResult} from './normalise';\n\n/**\n * Fetch the current grade for a user.\n *\n * @param {String} component\n * @param {Number} context\n * @param {String} itemname\n * @param {Number} userId\n * @param {Element} rootNode\n * @return {Object}\n */\nexport const fetchCurrentGrade = (...args) => fetchGrade('point')(...args);\n\n/**\n * Store a new grade for a user.\n *\n * @param {String} component\n * @param {Number} context\n * @param {String} itemname\n * @param {Number} userId\n * @param {Boolean} notifyUser\n * @param {Element} rootNode\n *\n * @return {Object}\n */\nexport const storeCurrentGrade = async(component, context, itemname, userId, notifyUser, rootNode) => {\n    const form = rootNode.querySelector('form');\n    const grade = form.querySelector('input[name=\"grade\"]');\n\n    if (!grade.checkValidity() || !grade.value.trim()) {\n        return invalidResult;\n    }\n\n    if (compareData(form) === true) {\n        return await saveGrade('point')(component, context, itemname, userId, notifyUser, jQuery(form).serialize());\n    } else {\n        return '';\n    }\n};\n"],"file":"point.min.js"}
\ No newline at end of file
+{"version":3,"file":"point.min.js","sources":["../../../../src/grades/grader/gradingpanel/point.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel for simple direct grading.\n *\n * @module     core_grades/grades/grader/gradingpanel/point\n * @package    core_grades\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {saveGrade, fetchGrade} from './repository';\nimport {compareData} from 'core_grades/grades/grader/gradingpanel/comparison';\n// Note: We use jQuery.serializer here until we can rewrite Ajax to use XHR.send()\nimport jQuery from 'jquery';\nimport {invalidResult} from './normalise';\n\n/**\n * Fetch the current grade for a user.\n *\n * @param {String} component\n * @param {Number} context\n * @param {String} itemname\n * @param {Number} userId\n * @param {Element} rootNode\n * @return {Object}\n */\nexport const fetchCurrentGrade = (...args) => fetchGrade('point')(...args);\n\n/**\n * Store a new grade for a user.\n *\n * @param {String} component\n * @param {Number} context\n * @param {String} itemname\n * @param {Number} userId\n * @param {Boolean} notifyUser\n * @param {Element} rootNode\n *\n * @return {Object}\n */\nexport const storeCurrentGrade = async(component, context, itemname, userId, notifyUser, rootNode) => {\n    const form = rootNode.querySelector('form');\n    const grade = form.querySelector('input[name=\"grade\"]');\n\n    if (!grade.checkValidity() || !grade.value.trim()) {\n        return invalidResult;\n    }\n\n    if (compareData(form) === true) {\n        return await saveGrade('point')(component, context, itemname, userId, notifyUser, jQuery(form).serialize());\n    } else {\n        return '';\n    }\n};\n"],"names":["storeCurrentGrade","component","context","itemname","userId","notifyUser","rootNode","form","querySelector","grade","checkValidity","value","trim","invalidResult","serialize"],"mappings":"soBAwCiC,kBAAa,0BAAW,8CAc5CA,+CAAoB,iBAAMC,UAAWC,QAASC,SAAUC,OAAQC,WAAYC,iIAC/EC,KAAOD,SAASE,cAAc,SAC9BC,MAAQF,KAAKC,cAAc,wBAEtBE,iBAAoBD,MAAME,MAAMC,8DAChCC,qCAGe,KAAtB,2BAAYN,sDACC,yBAAU,QAAV,CAAmBN,UAAWC,QAASC,SAAUC,OAAQC,YAAY,mBAAOE,MAAMO,2GAExF"}
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/repository.min.js b/grade/amd/build/grades/grader/gradingpanel/repository.min.js
index 30c76a4b2a3..763f4f58e55 100644
--- a/grade/amd/build/grades/grader/gradingpanel/repository.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/repository.min.js
@@ -1,2 +1,3 @@
-define ("core_grades/grades/grader/gradingpanel/repository",["exports","core/ajax","./normalise"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.saveGrade=a.fetchGrade=void 0;function d(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function e(a){return function(){var b=this,c=arguments;return new Promise(function(e,f){var g=a.apply(b,c);function h(a){d(g,e,f,h,i,"next",a)}function i(a){d(g,e,f,h,i,"throw",a)}h(void 0)})}}a.fetchGrade=function fetchGrade(a){return function(c,d,e,f){return(0,b.call)([{methodname:"core_grades_grader_gradingpanel_".concat(a,"_fetch"),args:{component:c,contextid:d,itemname:e,gradeduserid:f}}])[0]}};a.saveGrade=function saveGrade(a){return function(){var d=e(regeneratorRuntime.mark(function j(d,e,f,g,h,i){return regeneratorRuntime.wrap(function(j){while(1){switch(j.prev=j.next){case 0:j.t0=c.normaliseResult;j.next=3;return(0,b.call)([{methodname:"core_grades_grader_gradingpanel_".concat(a,"_store"),args:{component:d,contextid:e,itemname:f,gradeduserid:g,notifyuser:h,formdata:i}}])[0];case 3:j.t1=j.sent;return j.abrupt("return",(0,j.t0)(j.t1));case 5:case"end":return j.stop();}}},j)}));return function(){return d.apply(this,arguments)}}()}});
-//# sourceMappingURL=repository.min.js.map
+define("core_grades/grades/grader/gradingpanel/repository",["exports","core/ajax","./normalise"],(function(_exports,_ajax,_normalise){function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.saveGrade=_exports.fetchGrade=void 0;_exports.fetchGrade=function(type){return function(component,contextid,itemname,gradeduserid){return(0,_ajax.call)([{methodname:"core_grades_grader_gradingpanel_".concat(type,"_fetch"),args:{component:component,contextid:contextid,itemname:itemname,gradeduserid:gradeduserid}}])[0]}};_exports.saveGrade=function(type){return fn=regeneratorRuntime.mark((function _callee(component,contextid,itemname,gradeduserid,notifyUser,formdata){return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:return _context.t0=_normalise.normaliseResult,_context.next=3,(0,_ajax.call)([{methodname:"core_grades_grader_gradingpanel_".concat(type,"_store"),args:{component:component,contextid:contextid,itemname:itemname,gradeduserid:gradeduserid,notifyuser:notifyUser,formdata:formdata}}])[0];case 3:return _context.t1=_context.sent,_context.abrupt("return",(0,_context.t0)(_context.t1));case 5:case"end":return _context.stop()}}),_callee)})),_ref=function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))},function(_x,_x2,_x3,_x4,_x5,_x6){return _ref.apply(this,arguments)};var fn,_ref}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/repository.min.js.map b/grade/amd/build/grades/grader/gradingpanel/repository.min.js.map
index 5f95d18b0c0..53772419dd8 100644
--- a/grade/amd/build/grades/grader/gradingpanel/repository.min.js.map
+++ b/grade/amd/build/grades/grader/gradingpanel/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../src/grades/grader/gradingpanel/repository.js"],"names":["fetchGrade","type","component","contextid","itemname","gradeduserid","methodname","args","saveGrade","notifyUser","formdata","normaliseResult","notifyuser"],"mappings":"4hBA0B0B,QAAbA,CAAAA,UAAa,CAAAC,CAAI,QAAI,UAACC,CAAD,CAAYC,CAAZ,CAAuBC,CAAvB,CAAiCC,CAAjC,CAAkD,CAChF,MAAO,WAAU,CAAC,CACdC,UAAU,2CAAqCL,CAArC,UADI,CAEdM,IAAI,CAAE,CACFL,SAAS,CAATA,CADE,CAEFC,SAAS,CAATA,CAFE,CAGFC,QAAQ,CAARA,CAHE,CAIFC,YAAY,CAAZA,CAJE,CAFQ,CAAD,CAAV,EAQH,CARG,CASV,CAV6B,C,aAYL,QAAZG,CAAAA,SAAY,CAAAP,CAAI,oDAAI,WAAMC,CAAN,CAAiBC,CAAjB,CAA4BC,CAA5B,CAAsCC,CAAtC,CAAoDI,CAApD,CAAgEC,CAAhE,wFACtBC,iBADsB,gBACA,WAAU,CAAC,CACpCL,UAAU,2CAAqCL,CAArC,UAD0B,CAEpCM,IAAI,CAAE,CACFL,SAAS,CAATA,CADE,CAEFC,SAAS,CAATA,CAFE,CAGFC,QAAQ,CAARA,CAHE,CAIFC,YAAY,CAAZA,CAJE,CAKFO,UAAU,CAAEH,CALV,CAMFC,QAAQ,CAARA,CANE,CAF8B,CAAD,CAAV,EAUzB,CAVyB,CADA,qGAAJ,wD","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Repository for simple direct grading panel.\n *\n * @module     core_grades/grades/grader/gradingpanel/repository\n * @package    core_grades\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport {call as fetchMany} from 'core/ajax';\nimport {normaliseResult} from './normalise';\n\nexport const fetchGrade = type => (component, contextid, itemname, gradeduserid) => {\n    return fetchMany([{\n        methodname: `core_grades_grader_gradingpanel_${type}_fetch`,\n        args: {\n            component,\n            contextid,\n            itemname,\n            gradeduserid,\n        },\n    }])[0];\n};\n\nexport const saveGrade = type => async(component, contextid, itemname, gradeduserid, notifyUser, formdata) => {\n    return normaliseResult(await fetchMany([{\n        methodname: `core_grades_grader_gradingpanel_${type}_store`,\n        args: {\n            component,\n            contextid,\n            itemname,\n            gradeduserid,\n            notifyuser: notifyUser,\n            formdata,\n        },\n    }])[0]);\n};\n"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../../../../src/grades/grader/gradingpanel/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Repository for simple direct grading panel.\n *\n * @module     core_grades/grades/grader/gradingpanel/repository\n * @package    core_grades\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport {call as fetchMany} from 'core/ajax';\nimport {normaliseResult} from './normalise';\n\nexport const fetchGrade = type => (component, contextid, itemname, gradeduserid) => {\n    return fetchMany([{\n        methodname: `core_grades_grader_gradingpanel_${type}_fetch`,\n        args: {\n            component,\n            contextid,\n            itemname,\n            gradeduserid,\n        },\n    }])[0];\n};\n\nexport const saveGrade = type => async(component, contextid, itemname, gradeduserid, notifyUser, formdata) => {\n    return normaliseResult(await fetchMany([{\n        methodname: `core_grades_grader_gradingpanel_${type}_store`,\n        args: {\n            component,\n            contextid,\n            itemname,\n            gradeduserid,\n            notifyuser: notifyUser,\n            formdata,\n        },\n    }])[0]);\n};\n"],"names":["type","component","contextid","itemname","gradeduserid","methodname","args","notifyUser","formdata","normaliseResult","notifyuser"],"mappings":"2dA0B0B,SAAAA,aAAQ,SAACC,UAAWC,UAAWC,SAAUC,qBACxD,cAAU,CAAC,CACdC,qDAA+CL,eAC/CM,KAAM,CACFL,UAAAA,UACAC,UAAAA,UACAC,SAAAA,SACAC,aAAAA,iBAEJ,wBAGiB,SAAAJ,yCAAQ,iBAAMC,UAAWC,UAAWC,SAAUC,aAAcG,WAAYC,kIACtFC,4CAAsB,cAAU,CAAC,CACpCJ,qDAA+CL,eAC/CM,KAAM,CACFL,UAAAA,UACAC,UAAAA,UACAC,SAAAA,SACAC,aAAAA,aACAM,WAAYH,WACZC,SAAAA,aAEJ"}
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/scale.min.js b/grade/amd/build/grades/grader/gradingpanel/scale.min.js
index f491b64e11f..b9369ae7f09 100644
--- a/grade/amd/build/grades/grader/gradingpanel/scale.min.js
+++ b/grade/amd/build/grades/grader/gradingpanel/scale.min.js
@@ -1,2 +1,11 @@
-define ("core_grades/grades/grader/gradingpanel/scale",["exports","./repository","core_grades/grades/grader/gradingpanel/comparison","jquery","./normalise"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;d=function(a){return a&&a.__esModule?a:{default:a}}(d);a.fetchCurrentGrade=function fetchCurrentGrade(){return(0,b.fetchGrade)("scale").apply(void 0,arguments)};var f=function(a,f,g,h,i,j){var k=j.querySelector("form"),l=k.querySelector("select[name=\"grade\"]");if(!l.checkValidity()||!l.value.trim()){return e.invalidResult}if(!0===(0,c.compareData)(k)){return(0,b.saveGrade)("scale")(a,f,g,h,i,(0,d.default)(k).serialize())}else{return""}};a.storeCurrentGrade=f});
-//# sourceMappingURL=scale.min.js.map
+define("core_grades/grades/grader/gradingpanel/scale",["exports","./repository","core_grades/grades/grader/gradingpanel/comparison","jquery","./normalise"],(function(_exports,_repository,_comparison,_jquery,_normalise){var obj;
+/**
+   * Grading panel for simple direct grading.
+   *
+   * @module     core_grades/grades/grader/gradingpanel/scale
+   * @package    core_grades
+   * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.storeCurrentGrade=_exports.fetchCurrentGrade=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};_exports.fetchCurrentGrade=function(){return(0,_repository.fetchGrade)("scale").apply(void 0,arguments)};_exports.storeCurrentGrade=function(component,context,itemname,userId,notifyUser,rootNode){var form=rootNode.querySelector("form"),grade=form.querySelector('select[name="grade"]');return grade.checkValidity()&&grade.value.trim()?!0===(0,_comparison.compareData)(form)?(0,_repository.saveGrade)("scale")(component,context,itemname,userId,notifyUser,(0,_jquery.default)(form).serialize()):"":_normalise.invalidResult}}));
+
+//# sourceMappingURL=scale.min.js.map
\ No newline at end of file
diff --git a/grade/amd/build/grades/grader/gradingpanel/scale.min.js.map b/grade/amd/build/grades/grader/gradingpanel/scale.min.js.map
index b64fe517843..468a528b1b5 100644
--- a/grade/amd/build/grades/grader/gradingpanel/scale.min.js.map
+++ b/grade/amd/build/grades/grader/gradingpanel/scale.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../src/grades/grader/gradingpanel/scale.js"],"names":["fetchCurrentGrade","storeCurrentGrade","component","context","itemname","userId","notifyUser","rootNode","form","querySelector","grade","checkValidity","value","trim","invalidResult","serialize"],"mappings":"8RA2BA,uD,oBAGiC,QAApBA,CAAAA,iBAAoB,SAAa,iBAAW,OAAX,yBAAb,C,CAE1B,GAAMC,CAAAA,CAAiB,CAAG,SAACC,CAAD,CAAYC,CAAZ,CAAqBC,CAArB,CAA+BC,CAA/B,CAAuCC,CAAvC,CAAmDC,CAAnD,CAAgE,IACvFC,CAAAA,CAAI,CAAGD,CAAQ,CAACE,aAAT,CAAuB,MAAvB,CADgF,CAEvFC,CAAK,CAAGF,CAAI,CAACC,aAAL,CAAmB,wBAAnB,CAF+E,CAI7F,GAAI,CAACC,CAAK,CAACC,aAAN,EAAD,EAA0B,CAACD,CAAK,CAACE,KAAN,CAAYC,IAAZ,EAA/B,CAAmD,CAC/C,MAAOC,gBACV,CAED,GAAI,uBAAYN,CAAZ,CAAJ,CAAgC,CAC5B,MAAO,gBAAU,OAAV,EAAmBN,CAAnB,CAA8BC,CAA9B,CAAuCC,CAAvC,CAAiDC,CAAjD,CAAyDC,CAAzD,CAAqE,cAAOE,CAAP,EAAaO,SAAb,EAArE,CACV,CAFD,IAEO,CACH,MAAO,EACV,CACJ,CAbM,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel for simple direct grading.\n *\n * @module     core_grades/grades/grader/gradingpanel/scale\n * @package    core_grades\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {saveGrade, fetchGrade} from './repository';\nimport {compareData} from 'core_grades/grades/grader/gradingpanel/comparison';\n// Note: We use jQuery.serializer here until we can rewrite Ajax to use XHR.send()\nimport jQuery from 'jquery';\nimport {invalidResult} from './normalise';\n\nexport const fetchCurrentGrade = (...args) => fetchGrade('scale')(...args);\n\nexport const storeCurrentGrade = (component, context, itemname, userId, notifyUser, rootNode) => {\n    const form = rootNode.querySelector('form');\n    const grade = form.querySelector('select[name=\"grade\"]');\n\n    if (!grade.checkValidity() || !grade.value.trim()) {\n        return invalidResult;\n    }\n\n    if (compareData(form) === true) {\n        return saveGrade('scale')(component, context, itemname, userId, notifyUser, jQuery(form).serialize());\n    } else {\n        return '';\n    }\n};\n"],"file":"scale.min.js"}
\ No newline at end of file
+{"version":3,"file":"scale.min.js","sources":["../../../../src/grades/grader/gradingpanel/scale.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel for simple direct grading.\n *\n * @module     core_grades/grades/grader/gradingpanel/scale\n * @package    core_grades\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {saveGrade, fetchGrade} from './repository';\nimport {compareData} from 'core_grades/grades/grader/gradingpanel/comparison';\n// Note: We use jQuery.serializer here until we can rewrite Ajax to use XHR.send()\nimport jQuery from 'jquery';\nimport {invalidResult} from './normalise';\n\nexport const fetchCurrentGrade = (...args) => fetchGrade('scale')(...args);\n\nexport const storeCurrentGrade = (component, context, itemname, userId, notifyUser, rootNode) => {\n    const form = rootNode.querySelector('form');\n    const grade = form.querySelector('select[name=\"grade\"]');\n\n    if (!grade.checkValidity() || !grade.value.trim()) {\n        return invalidResult;\n    }\n\n    if (compareData(form) === true) {\n        return saveGrade('scale')(component, context, itemname, userId, notifyUser, jQuery(form).serialize());\n    } else {\n        return '';\n    }\n};\n"],"names":["component","context","itemname","userId","notifyUser","rootNode","form","querySelector","grade","checkValidity","value","trim","serialize","invalidResult"],"mappings":";;;;;;;;6MA8BiC,kBAAa,0BAAW,6DAExB,SAACA,UAAWC,QAASC,SAAUC,OAAQC,WAAYC,cAC1EC,KAAOD,SAASE,cAAc,QAC9BC,MAAQF,KAAKC,cAAc,+BAE5BC,MAAMC,iBAAoBD,MAAME,MAAMC,QAIjB,KAAtB,2BAAYL,OACL,yBAAU,QAAV,CAAmBN,UAAWC,QAASC,SAAUC,OAAQC,YAAY,mBAAOE,MAAMM,aAElF,GANAC"}
\ No newline at end of file
diff --git a/grade/grading/form/guide/amd/build/comment_chooser.min.js b/grade/grading/form/guide/amd/build/comment_chooser.min.js
index 69f6230e868..ace014deea4 100644
--- a/grade/grading/form/guide/amd/build/comment_chooser.min.js
+++ b/grade/grading/form/guide/amd/build/comment_chooser.min.js
@@ -1,2 +1,12 @@
-define ("gradingform_guide/comment_chooser",["jquery","core/templates","core/notification","core/yui"],function(a,b,c){return{initialise:function initialise(d,e,f,g){function h(b,c){var e="<label>"+M.util.get_string("insertcomment","gradingform_guide")+"</label>",g="comment-chooser-"+d+"-cancel",h="<button id=\""+g+"\">"+M.util.get_string("cancel","moodle")+"</button>",i=new M.core.dialogue({modal:!0,headerContent:e,bodyContent:b,footerContent:h,focusAfterHide:"#"+f,id:"comments-chooser-dialog-"+d});a("#"+g).click(function(){i.hide()});a.each(c,function(b,c){var e="#comment-option-"+d+"-"+c.id;a(e).click(function(){var b=a("#"+f),d=b.val();if(""!==d.trim()){d+="\n"}d+=c.description;b.val(d);i.hide()});a(document).off("keypress",e).on("keypress",e,function(){var b=event.which||event.keyCode;if(13==b||32==b){a(e).click()}})});i.after("visibleChange",function(a){if(a.prevVal&&!a.newVal){this.destroy()}},i);i.show()}function i(){b.render("gradingform_guide/comment_chooser",{criterionId:d,comments:g}).done(function(a){h(a,g)}).fail(c.exception)}a("#"+e).click(function(a){a.preventDefault();i()})}}});
-//# sourceMappingURL=comment_chooser.min.js.map
+/**
+ * AMD code for the frequently used comments chooser for the marking guide grading form.
+ *
+ * @module     gradingform_guide/comment_chooser
+ * @class      comment_chooser
+ * @package    core
+ * @copyright  2015 Jun Pataleta <jun@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+  */
+define("gradingform_guide/comment_chooser",["jquery","core/templates","core/notification","core/yui"],(function($,templates,notification){return{initialise:function(criterionId,buttonId,remarkId,commentOptions){function generateCommentsChooser(){var context={criterionId:criterionId,comments:commentOptions};templates.render("gradingform_guide/comment_chooser",context).done((function(compiledSource){!function(compiledSource,comments){var titleLabel="<label>"+M.util.get_string("insertcomment","gradingform_guide")+"</label>",cancelButtonId="comment-chooser-"+criterionId+"-cancel",cancelButton='<button id="'+cancelButtonId+'">'+M.util.get_string("cancel","moodle")+"</button>",chooserDialog=new M.core.dialogue({modal:!0,headerContent:titleLabel,bodyContent:compiledSource,footerContent:cancelButton,focusAfterHide:"#"+remarkId,id:"comments-chooser-dialog-"+criterionId});$("#"+cancelButtonId).click((function(){chooserDialog.hide()})),$.each(comments,(function(index,comment){var commentOptionId="#comment-option-"+criterionId+"-"+comment.id;$(commentOptionId).click((function(){var remarkTextArea=$("#"+remarkId),remarkText=remarkTextArea.val();""!==remarkText.trim()&&(remarkText+="\n"),remarkText+=comment.description,remarkTextArea.val(remarkText),chooserDialog.hide()})),$(document).off("keypress",commentOptionId).on("keypress",commentOptionId,(function(){var keyCode=event.which||event.keyCode;13!=keyCode&&32!=keyCode||$(commentOptionId).click()}))})),chooserDialog.after("visibleChange",(function(e){e.prevVal&&!e.newVal&&this.destroy()}),chooserDialog),chooserDialog.show()}(compiledSource,commentOptions)})).fail(notification.exception)}$("#"+buttonId).click((function(e){e.preventDefault(),generateCommentsChooser()}))}}}));
+
+//# sourceMappingURL=comment_chooser.min.js.map
\ No newline at end of file
diff --git a/grade/grading/form/guide/amd/build/comment_chooser.min.js.map b/grade/grading/form/guide/amd/build/comment_chooser.min.js.map
index 9c907aff0b4..e2692446ef5 100644
--- a/grade/grading/form/guide/amd/build/comment_chooser.min.js.map
+++ b/grade/grading/form/guide/amd/build/comment_chooser.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD code for the frequently used comments chooser for the marking guide grading form.\n *\n * @module     gradingform_guide/comment_chooser\n * @class      comment_chooser\n * @package    core\n * @copyright  2015 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n  */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/yui'], function($, templates, notification) {\n\n    // Private variables and functions.\n\n    return /** @alias module:gradingform_guide/comment_chooser */ {\n        // Public variables and functions.\n        /**\n         * Initialises the module.\n         *\n         * Basically, it performs the binding and handling of the button click event for\n         * the 'Insert frequently used comment' button.\n         *\n         * @param {Integer} criterionId The criterion ID.\n         * @param {String} buttonId The element ID of the button which the handler will be bound to.\n         * @param {String} remarkId The element ID of the remark text area where the text of the selected comment will be copied to.\n         * @param {Array} commentOptions The array of frequently used comments to be used as options.\n         */\n        initialise: function(criterionId, buttonId, remarkId, commentOptions) {\n            /**\n             * Display the chooser dialog using the compiled HTML from the mustache template\n             * and binds onclick events for the generated comment options.\n             *\n             * @param {String} compiledSource The compiled HTML from the mustache template\n             * @param {Array} comments Array containing comments.\n             */\n            function displayChooserDialog(compiledSource, comments) {\n                var titleLabel = '<label>' + M.util.get_string('insertcomment', 'gradingform_guide') + '</label>';\n                var cancelButtonId = 'comment-chooser-' + criterionId + '-cancel';\n                var cancelButton = '<button id=\"' + cancelButtonId + '\">' + M.util.get_string('cancel', 'moodle') + '</button>';\n\n                // Set dialog's body content.\n                var chooserDialog = new M.core.dialogue({\n                    modal: true,\n                    headerContent: titleLabel,\n                    bodyContent: compiledSource,\n                    footerContent: cancelButton,\n                    focusAfterHide: '#' + remarkId,\n                    id: \"comments-chooser-dialog-\" + criterionId\n                });\n\n                // Bind click event to the cancel button.\n                $(\"#\" + cancelButtonId).click(function() {\n                    chooserDialog.hide();\n                });\n\n                // Loop over each comment item and bind click events.\n                $.each(comments, function(index, comment) {\n                    var commentOptionId = '#comment-option-' + criterionId + '-' + comment.id;\n\n                    // Delegate click event for the generated option link.\n                    $(commentOptionId).click(function() {\n                        var remarkTextArea = $('#' + remarkId);\n                        var remarkText = remarkTextArea.val();\n\n                        // Add line break if the current value of the remark text is not empty.\n                        if (remarkText.trim() !== '') {\n                            remarkText += '\\n';\n                        }\n                        remarkText += comment.description;\n\n                        remarkTextArea.val(remarkText);\n\n                        chooserDialog.hide();\n                    });\n\n                    // Handle keypress on list items.\n                    $(document).off('keypress', commentOptionId).on('keypress', commentOptionId, function() {\n                        var keyCode = event.which || event.keyCode;\n\n                        // Enter or space key.\n                        if (keyCode == 13 || keyCode == 32) {\n                            // Trigger click event.\n                            $(commentOptionId).click();\n                        }\n                    });\n                });\n\n                // Destroy the dialog when it is hidden to allow the grading section to\n                // be loaded as a fragment multiple times within the same page.\n                chooserDialog.after('visibleChange', function(e) {\n                    // Going from visible to hidden.\n                    if (e.prevVal && !e.newVal) {\n                        this.destroy();\n                    }\n                }, chooserDialog);\n\n                // Show dialog.\n                chooserDialog.show();\n            }\n\n            /**\n             * Generates the comments chooser dialog from the grading_form/comment_chooser mustache template.\n             */\n            function generateCommentsChooser() {\n                // Template context.\n                var context = {\n                    criterionId: criterionId,\n                    comments: commentOptions\n                };\n\n                // Render the template and display the comment chooser dialog.\n                templates.render('gradingform_guide/comment_chooser', context)\n                    .done(function(compiledSource) {\n                        displayChooserDialog(compiledSource, commentOptions);\n                    })\n                    .fail(notification.exception);\n            }\n\n            // Bind click event for the comments chooser button.\n            $(\"#\" + buttonId).click(function(e) {\n                e.preventDefault();\n                generateCommentsChooser();\n            });\n        }\n    };\n});\n"],"file":"comment_chooser.min.js"}
\ No newline at end of file
+{"version":3,"file":"comment_chooser.min.js","sources":["../src/comment_chooser.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD code for the frequently used comments chooser for the marking guide grading form.\n *\n * @module     gradingform_guide/comment_chooser\n * @class      comment_chooser\n * @package    core\n * @copyright  2015 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n  */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/yui'], function($, templates, notification) {\n\n    // Private variables and functions.\n\n    return /** @alias module:gradingform_guide/comment_chooser */ {\n        // Public variables and functions.\n        /**\n         * Initialises the module.\n         *\n         * Basically, it performs the binding and handling of the button click event for\n         * the 'Insert frequently used comment' button.\n         *\n         * @param {Integer} criterionId The criterion ID.\n         * @param {String} buttonId The element ID of the button which the handler will be bound to.\n         * @param {String} remarkId The element ID of the remark text area where the text of the selected comment will be copied to.\n         * @param {Array} commentOptions The array of frequently used comments to be used as options.\n         */\n        initialise: function(criterionId, buttonId, remarkId, commentOptions) {\n            /**\n             * Display the chooser dialog using the compiled HTML from the mustache template\n             * and binds onclick events for the generated comment options.\n             *\n             * @param {String} compiledSource The compiled HTML from the mustache template\n             * @param {Array} comments Array containing comments.\n             */\n            function displayChooserDialog(compiledSource, comments) {\n                var titleLabel = '<label>' + M.util.get_string('insertcomment', 'gradingform_guide') + '</label>';\n                var cancelButtonId = 'comment-chooser-' + criterionId + '-cancel';\n                var cancelButton = '<button id=\"' + cancelButtonId + '\">' + M.util.get_string('cancel', 'moodle') + '</button>';\n\n                // Set dialog's body content.\n                var chooserDialog = new M.core.dialogue({\n                    modal: true,\n                    headerContent: titleLabel,\n                    bodyContent: compiledSource,\n                    footerContent: cancelButton,\n                    focusAfterHide: '#' + remarkId,\n                    id: \"comments-chooser-dialog-\" + criterionId\n                });\n\n                // Bind click event to the cancel button.\n                $(\"#\" + cancelButtonId).click(function() {\n                    chooserDialog.hide();\n                });\n\n                // Loop over each comment item and bind click events.\n                $.each(comments, function(index, comment) {\n                    var commentOptionId = '#comment-option-' + criterionId + '-' + comment.id;\n\n                    // Delegate click event for the generated option link.\n                    $(commentOptionId).click(function() {\n                        var remarkTextArea = $('#' + remarkId);\n                        var remarkText = remarkTextArea.val();\n\n                        // Add line break if the current value of the remark text is not empty.\n                        if (remarkText.trim() !== '') {\n                            remarkText += '\\n';\n                        }\n                        remarkText += comment.description;\n\n                        remarkTextArea.val(remarkText);\n\n                        chooserDialog.hide();\n                    });\n\n                    // Handle keypress on list items.\n                    $(document).off('keypress', commentOptionId).on('keypress', commentOptionId, function() {\n                        var keyCode = event.which || event.keyCode;\n\n                        // Enter or space key.\n                        if (keyCode == 13 || keyCode == 32) {\n                            // Trigger click event.\n                            $(commentOptionId).click();\n                        }\n                    });\n                });\n\n                // Destroy the dialog when it is hidden to allow the grading section to\n                // be loaded as a fragment multiple times within the same page.\n                chooserDialog.after('visibleChange', function(e) {\n                    // Going from visible to hidden.\n                    if (e.prevVal && !e.newVal) {\n                        this.destroy();\n                    }\n                }, chooserDialog);\n\n                // Show dialog.\n                chooserDialog.show();\n            }\n\n            /**\n             * Generates the comments chooser dialog from the grading_form/comment_chooser mustache template.\n             */\n            function generateCommentsChooser() {\n                // Template context.\n                var context = {\n                    criterionId: criterionId,\n                    comments: commentOptions\n                };\n\n                // Render the template and display the comment chooser dialog.\n                templates.render('gradingform_guide/comment_chooser', context)\n                    .done(function(compiledSource) {\n                        displayChooserDialog(compiledSource, commentOptions);\n                    })\n                    .fail(notification.exception);\n            }\n\n            // Bind click event for the comments chooser button.\n            $(\"#\" + buttonId).click(function(e) {\n                e.preventDefault();\n                generateCommentsChooser();\n            });\n        }\n    };\n});\n"],"names":["define","$","templates","notification","initialise","criterionId","buttonId","remarkId","commentOptions","generateCommentsChooser","context","comments","render","done","compiledSource","titleLabel","M","util","get_string","cancelButtonId","cancelButton","chooserDialog","core","dialogue","modal","headerContent","bodyContent","footerContent","focusAfterHide","id","click","hide","each","index","comment","commentOptionId","remarkTextArea","remarkText","val","trim","description","document","off","on","keyCode","event","which","after","e","prevVal","newVal","destroy","show","displayChooserDialog","fail","exception","preventDefault"],"mappings":";;;;;;;;;AAwBAA,2CAAO,CAAC,SAAU,iBAAkB,oBAAqB,aAAa,SAASC,EAAGC,UAAWC,oBAI3B,CAa1DC,WAAY,SAASC,YAAaC,SAAUC,SAAUC,yBA4EzCC,8BAEDC,QAAU,CACVL,YAAaA,YACbM,SAAUH,gBAIdN,UAAUU,OAAO,oCAAqCF,SACjDG,MAAK,SAASC,0BA7EOA,eAAgBH,cACtCI,WAAa,UAAYC,EAAEC,KAAKC,WAAW,gBAAiB,qBAAuB,WACnFC,eAAiB,mBAAqBd,YAAc,UACpDe,aAAe,eAAiBD,eAAiB,KAAOH,EAAEC,KAAKC,WAAW,SAAU,UAAY,YAGhGG,cAAgB,IAAIL,EAAEM,KAAKC,SAAS,CACpCC,OAAO,EACPC,cAAeV,WACfW,YAAaZ,eACba,cAAeP,aACfQ,eAAgB,IAAMrB,SACtBsB,GAAI,2BAA6BxB,cAIrCJ,EAAE,IAAMkB,gBAAgBW,OAAM,WAC1BT,cAAcU,UAIlB9B,EAAE+B,KAAKrB,UAAU,SAASsB,MAAOC,aACzBC,gBAAkB,mBAAqB9B,YAAc,IAAM6B,QAAQL,GAGvE5B,EAAEkC,iBAAiBL,OAAM,eACjBM,eAAiBnC,EAAE,IAAMM,UACzB8B,WAAaD,eAAeE,MAGN,KAAtBD,WAAWE,SACXF,YAAc,MAElBA,YAAcH,QAAQM,YAEtBJ,eAAeE,IAAID,YAEnBhB,cAAcU,UAIlB9B,EAAEwC,UAAUC,IAAI,WAAYP,iBAAiBQ,GAAG,WAAYR,iBAAiB,eACrES,QAAUC,MAAMC,OAASD,MAAMD,QAGpB,IAAXA,SAA4B,IAAXA,SAEjB3C,EAAEkC,iBAAiBL,cAO/BT,cAAc0B,MAAM,iBAAiB,SAASC,GAEtCA,EAAEC,UAAYD,EAAEE,aACXC,YAEV9B,eAGHA,cAAc+B,OAgBNC,CAAqBvC,eAAgBN,mBAExC8C,KAAKnD,aAAaoD,WAI3BtD,EAAE,IAAMK,UAAUwB,OAAM,SAASkB,GAC7BA,EAAEQ,iBACF/C"}
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diff --git a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js
index c29e00ec64c..ccd4fbfa73c 100644
--- a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js
+++ b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js
@@ -1,2 +1,3 @@
-define ("gradingform_guide/grades/grader/gradingpanel",["exports","core/ajax","core_grades/grades/grader/gradingpanel/normalise","core_grades/grades/grader/gradingpanel/comparison","jquery"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;e=function(a){return a&&a.__esModule?a:{default:a}}(e);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var g=a.apply(b,c);function h(a){f(g,d,e,h,i,"next",a)}function i(a){f(g,d,e,h,i,"throw",a)}h(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(a,c,d,e){return(0,b.call)([{methodname:"gradingform_guide_grader_gradingpanel_fetch",args:{component:a,contextid:c,itemname:d,gradeduserid:e}}])[0]};var h=function(){var a=g(regeneratorRuntime.mark(function k(a,f,g,h,i,j){var l;return regeneratorRuntime.wrap(function(k){while(1){switch(k.prev=k.next){case 0:l=j.querySelector("form");if(!(!0===(0,d.compareData)(l))){k.next=9;break}k.t0=c.normaliseResult;k.next=5;return(0,b.call)([{methodname:"gradingform_guide_grader_gradingpanel_store",args:{component:a,contextid:f,itemname:g,gradeduserid:h,notifyuser:i,formdata:(0,e.default)(l).serialize()}}])[0];case 5:k.t1=k.sent;return k.abrupt("return",(0,k.t0)(k.t1));case 9:return k.abrupt("return","");case 10:case"end":return k.stop();}}},k)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
-//# sourceMappingURL=gradingpanel.min.js.map
+define("gradingform_guide/grades/grader/gradingpanel",["exports","core/ajax","core_grades/grades/grader/gradingpanel/normalise","core_grades/grades/grader/gradingpanel/comparison","jquery"],(function(_exports,_ajax,_normalise,_comparison,_jquery){var obj;function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.storeCurrentGrade=_exports.fetchCurrentGrade=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};_exports.fetchCurrentGrade=function(component,contextid,itemname,gradeduserid){return(0,_ajax.call)([{methodname:"gradingform_guide_grader_gradingpanel_fetch",args:{component:component,contextid:contextid,itemname:itemname,gradeduserid:gradeduserid}}])[0]};var fn,_ref,storeCurrentGrade=(fn=regeneratorRuntime.mark((function _callee(component,contextid,itemname,gradeduserid,notifyUser,rootNode){var form;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:if(form=rootNode.querySelector("form"),!0!==(0,_comparison.compareData)(form)){_context.next=9;break}return _context.t0=_normalise.normaliseResult,_context.next=5,(0,_ajax.call)([{methodname:"gradingform_guide_grader_gradingpanel_store",args:{component:component,contextid:contextid,itemname:itemname,gradeduserid:gradeduserid,notifyuser:notifyUser,formdata:(0,_jquery.default)(form).serialize()}}])[0];case 5:return _context.t1=_context.sent,_context.abrupt("return",(0,_context.t0)(_context.t1));case 9:return _context.abrupt("return","");case 10:case"end":return _context.stop()}}),_callee)})),_ref=function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))},function(_x,_x2,_x3,_x4,_x5,_x6){return _ref.apply(this,arguments)});_exports.storeCurrentGrade=storeCurrentGrade}));
+
+//# sourceMappingURL=gradingpanel.min.js.map
\ No newline at end of file
diff --git a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js.map b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js.map
index cac4be33469..723dce2e82a 100644
--- a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js.map
+++ b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/grades/grader/gradingpanel.js"],"names":["fetchCurrentGrade","component","contextid","itemname","gradeduserid","methodname","args","storeCurrentGrade","notifyUser","rootNode","form","querySelector","normaliseResult","notifyuser","formdata","serialize"],"mappings":"gUA6BA,uD,mVAYiC,QAApBA,CAAAA,iBAAoB,CAACC,CAAD,CAAYC,CAAZ,CAAuBC,CAAvB,CAAiCC,CAAjC,CAAkD,CAC/E,MAAO,WAAU,CAAC,CACdC,UAAU,8CADI,CAEdC,IAAI,CAAE,CACFL,SAAS,CAATA,CADE,CAEFC,SAAS,CAATA,CAFE,CAGFC,QAAQ,CAARA,CAHE,CAIFC,YAAY,CAAZA,CAJE,CAFQ,CAAD,CAAV,EAQH,CARG,CASV,C,CAcM,GAAMG,CAAAA,CAAiB,4CAAG,WAAMN,CAAN,CAAiBC,CAAjB,CAA4BC,CAA5B,CAAsCC,CAAtC,CAAoDI,CAApD,CAAgEC,CAAhE,yFACvBC,CADuB,CAChBD,CAAQ,CAACE,aAAT,CAAuB,MAAvB,CADgB,MAGzB,uBAAYD,CAAZ,CAHyB,uBAIlBE,iBAJkB,gBAII,WAAU,CAAC,CACpCP,UAAU,8CAD0B,CAEpCC,IAAI,CAAE,CACFL,SAAS,CAATA,CADE,CAEFC,SAAS,CAATA,CAFE,CAGFC,QAAQ,CAARA,CAHE,CAIFC,YAAY,CAAZA,CAJE,CAKFS,UAAU,CAAEL,CALV,CAMFM,QAAQ,CAAE,cAAOJ,CAAP,EAAaK,SAAb,EANR,CAF8B,CAAD,CAAV,EAUzB,CAVyB,CAJJ,6FAgBlB,EAhBkB,2CAAH,uDAAvB,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel for gradingform_guide.\n *\n * @module     gradingform_guide/grades/grader/gradingpanel\n * @package    gradingform_guide\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {call as fetchMany} from 'core/ajax';\nimport {normaliseResult} from 'core_grades/grades/grader/gradingpanel/normalise';\nimport {compareData} from 'core_grades/grades/grader/gradingpanel/comparison';\n\n// Note: We use jQuery.serializer here until we can rewrite Ajax to use XHR.send()\nimport jQuery from 'jquery';\n\n/**\n * For a given component, contextid, itemname & gradeduserid we can fetch the currently assigned grade.\n *\n * @param {String} component\n * @param {Number} contextid\n * @param {String} itemname\n * @param {Number} gradeduserid\n *\n * @returns {Promise}\n */\nexport const fetchCurrentGrade = (component, contextid, itemname, gradeduserid) => {\n    return fetchMany([{\n        methodname: `gradingform_guide_grader_gradingpanel_fetch`,\n        args: {\n            component,\n            contextid,\n            itemname,\n            gradeduserid,\n        },\n    }])[0];\n};\n\n/**\n * For a given component, contextid, itemname & gradeduserid we can store the currently assigned grade in a given form.\n *\n * @param {String} component\n * @param {Number} contextid\n * @param {String} itemname\n * @param {Number} gradeduserid\n * @param {Boolean} notifyUser\n * @param {HTMLElement} rootNode\n *\n * @returns {Promise}\n */\nexport const storeCurrentGrade = async(component, contextid, itemname, gradeduserid, notifyUser, rootNode) => {\n    const form = rootNode.querySelector('form');\n\n    if (compareData(form) === true) {\n        return normaliseResult(await fetchMany([{\n            methodname: `gradingform_guide_grader_gradingpanel_store`,\n            args: {\n                component,\n                contextid,\n                itemname,\n                gradeduserid,\n                notifyuser: notifyUser,\n                formdata: jQuery(form).serialize(),\n            },\n        }])[0]);\n    } else {\n        return '';\n    }\n};\n"],"file":"gradingpanel.min.js"}
\ No newline at end of file
+{"version":3,"file":"gradingpanel.min.js","sources":["../../../src/grades/grader/gradingpanel.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel for gradingform_guide.\n *\n * @module     gradingform_guide/grades/grader/gradingpanel\n * @package    gradingform_guide\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {call as fetchMany} from 'core/ajax';\nimport {normaliseResult} from 'core_grades/grades/grader/gradingpanel/normalise';\nimport {compareData} from 'core_grades/grades/grader/gradingpanel/comparison';\n\n// Note: We use jQuery.serializer here until we can rewrite Ajax to use XHR.send()\nimport jQuery from 'jquery';\n\n/**\n * For a given component, contextid, itemname & gradeduserid we can fetch the currently assigned grade.\n *\n * @param {String} component\n * @param {Number} contextid\n * @param {String} itemname\n * @param {Number} gradeduserid\n *\n * @returns {Promise}\n */\nexport const fetchCurrentGrade = (component, contextid, itemname, gradeduserid) => {\n    return fetchMany([{\n        methodname: `gradingform_guide_grader_gradingpanel_fetch`,\n        args: {\n            component,\n            contextid,\n            itemname,\n            gradeduserid,\n        },\n    }])[0];\n};\n\n/**\n * For a given component, contextid, itemname & gradeduserid we can store the currently assigned grade in a given form.\n *\n * @param {String} component\n * @param {Number} contextid\n * @param {String} itemname\n * @param {Number} gradeduserid\n * @param {Boolean} notifyUser\n * @param {HTMLElement} rootNode\n *\n * @returns {Promise}\n */\nexport const storeCurrentGrade = async(component, contextid, itemname, gradeduserid, notifyUser, rootNode) => {\n    const form = rootNode.querySelector('form');\n\n    if (compareData(form) === true) {\n        return normaliseResult(await fetchMany([{\n            methodname: `gradingform_guide_grader_gradingpanel_store`,\n            args: {\n                component,\n                contextid,\n                itemname,\n                gradeduserid,\n                notifyuser: notifyUser,\n                formdata: jQuery(form).serialize(),\n            },\n        }])[0]);\n    } else {\n        return '';\n    }\n};\n"],"names":["component","contextid","itemname","gradeduserid","methodname","args","storeCurrentGrade","notifyUser","rootNode","form","querySelector","normaliseResult","notifyuser","formdata","serialize"],"mappings":"kqBAyCiC,SAACA,UAAWC,UAAWC,SAAUC,qBACvD,cAAU,CAAC,CACdC,yDACAC,KAAM,CACFL,UAAAA,UACAC,UAAAA,UACAC,SAAAA,SACAC,aAAAA,iBAEJ,gBAeKG,+CAAoB,iBAAMN,UAAWC,UAAWC,SAAUC,aAAcI,WAAYC,2HACvFC,KAAOD,SAASE,cAAc,SAEV,KAAtB,2BAAYD,gDACLE,4CAAsB,cAAU,CAAC,CACpCP,yDACAC,KAAM,CACFL,UAAAA,UACAC,UAAAA,UACAC,SAAAA,SACAC,aAAAA,aACAS,WAAYL,WACZM,UAAU,mBAAOJ,MAAMK,gBAE3B,yIAEG"}
\ No newline at end of file
diff --git a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments.min.js b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments.min.js
index de22d4d0182..43c0dff1b20 100644
--- a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments.min.js
+++ b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments.min.js
@@ -1,2 +1,11 @@
-define ("gradingform_guide/grades/grader/gradingpanel/comments",["exports","./comments/selectors"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);a.init=function init(a){var c=document.querySelector("#".concat(a));c.addEventListener("click",function(a){if(!a.target.matches(b.default.frequentComment)){return}a.preventDefault();var c=a.target.closest(b.default.frequentComment),d=c.closest(b.default.criterion),e=d.querySelector(b.default.remark);if(!e){return}if(e.value.trim()){e.value+="\n".concat(c.innerHTML)}else{e.value+=c.innerHTML}})}});
-//# sourceMappingURL=comments.min.js.map
+define("gradingform_guide/grades/grader/gradingpanel/comments",["exports","./comments/selectors"],(function(_exports,_selectors){var obj;
+/**
+   * Grading panel frequently used comments selector.
+   *
+   * @module     gradingform_guide/grades/grader/gradingpanel/comments
+   * @package    gradingform_guide
+   * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_selectors=(obj=_selectors)&&obj.__esModule?obj:{default:obj};_exports.init=function(rootId){document.querySelector("#".concat(rootId)).addEventListener("click",(function(e){if(e.target.matches(_selectors.default.frequentComment)){e.preventDefault();var clicked=e.target.closest(_selectors.default.frequentComment),remark=clicked.closest(_selectors.default.criterion).querySelector(_selectors.default.remark);remark&&(remark.value.trim()?remark.value+="\n".concat(clicked.innerHTML):remark.value+=clicked.innerHTML)}}))}}));
+
+//# sourceMappingURL=comments.min.js.map
\ No newline at end of file
diff --git a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments.min.js.map b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments.min.js.map
index 5f600058c5c..e7ed79e0cdb 100644
--- a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments.min.js.map
+++ b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../src/grades/grader/gradingpanel/comments.js"],"names":["init","rootId","rootNode","document","querySelector","addEventListener","e","target","matches","Selectors","frequentComment","preventDefault","clicked","closest","criterion","remark","value","trim","innerHTML"],"mappings":"6LAwBA,uD,OAOoB,QAAPA,CAAAA,IAAO,CAACC,CAAD,CAAY,CAC5B,GAAMC,CAAAA,CAAQ,CAAGC,QAAQ,CAACC,aAAT,YAA2BH,CAA3B,EAAjB,CAEAC,CAAQ,CAACG,gBAAT,CAA0B,OAA1B,CAAmC,SAACC,CAAD,CAAO,CACtC,GAAI,CAACA,CAAC,CAACC,MAAF,CAASC,OAAT,CAAiBC,UAAUC,eAA3B,CAAL,CAAkD,CAC9C,MACH,CAEDJ,CAAC,CAACK,cAAF,GALsC,GAOhCC,CAAAA,CAAO,CAAGN,CAAC,CAACC,MAAF,CAASM,OAAT,CAAiBJ,UAAUC,eAA3B,CAPsB,CAQhCI,CAAS,CAAGF,CAAO,CAACC,OAAR,CAAgBJ,UAAUK,SAA1B,CARoB,CAShCC,CAAM,CAAGD,CAAS,CAACV,aAAV,CAAwBK,UAAUM,MAAlC,CATuB,CAWtC,GAAI,CAACA,CAAL,CAAa,CACT,MACH,CAGD,GAAIA,CAAM,CAACC,KAAP,CAAaC,IAAb,EAAJ,CAAyB,CACrBF,CAAM,CAACC,KAAP,cAAqBJ,CAAO,CAACM,SAA7B,CACH,CAFD,IAEO,CACHH,CAAM,CAACC,KAAP,EAAgBJ,CAAO,CAACM,SAC3B,CACJ,CArBD,CAsBH,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel frequently used comments selector.\n *\n * @module     gradingform_guide/grades/grader/gradingpanel/comments\n * @package    gradingform_guide\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Selectors from './comments/selectors';\n\n/**\n * Manage the frequently used comments in the Marking Guide form.\n *\n * @param {String} rootId\n */\nexport const init = (rootId) => {\n    const rootNode = document.querySelector(`#${rootId}`);\n\n    rootNode.addEventListener('click', (e) => {\n        if (!e.target.matches(Selectors.frequentComment)) {\n            return;\n        }\n\n        e.preventDefault();\n\n        const clicked = e.target.closest(Selectors.frequentComment);\n        const criterion = clicked.closest(Selectors.criterion);\n        const remark = criterion.querySelector(Selectors.remark);\n\n        if (!remark) {\n            return;\n        }\n\n        // Either append the comment to an existing comment or set it as the comment.\n        if (remark.value.trim()) {\n            remark.value += `\\n${clicked.innerHTML}`;\n        } else {\n            remark.value += clicked.innerHTML;\n        }\n    });\n};\n"],"file":"comments.min.js"}
\ No newline at end of file
+{"version":3,"file":"comments.min.js","sources":["../../../../src/grades/grader/gradingpanel/comments.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel frequently used comments selector.\n *\n * @module     gradingform_guide/grades/grader/gradingpanel/comments\n * @package    gradingform_guide\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Selectors from './comments/selectors';\n\n/**\n * Manage the frequently used comments in the Marking Guide form.\n *\n * @param {String} rootId\n */\nexport const init = (rootId) => {\n    const rootNode = document.querySelector(`#${rootId}`);\n\n    rootNode.addEventListener('click', (e) => {\n        if (!e.target.matches(Selectors.frequentComment)) {\n            return;\n        }\n\n        e.preventDefault();\n\n        const clicked = e.target.closest(Selectors.frequentComment);\n        const criterion = clicked.closest(Selectors.criterion);\n        const remark = criterion.querySelector(Selectors.remark);\n\n        if (!remark) {\n            return;\n        }\n\n        // Either append the comment to an existing comment or set it as the comment.\n        if (remark.value.trim()) {\n            remark.value += `\\n${clicked.innerHTML}`;\n        } else {\n            remark.value += clicked.innerHTML;\n        }\n    });\n};\n"],"names":["rootId","document","querySelector","addEventListener","e","target","matches","Selectors","frequentComment","preventDefault","clicked","closest","remark","criterion","value","trim","innerHTML"],"mappings":";;;;;;;;8JA+BoB,SAACA,QACAC,SAASC,yBAAkBF,SAEnCG,iBAAiB,SAAS,SAACC,MAC3BA,EAAEC,OAAOC,QAAQC,mBAAUC,kBAIhCJ,EAAEK,qBAEIC,QAAUN,EAAEC,OAAOM,QAAQJ,mBAAUC,iBAErCI,OADYF,QAAQC,QAAQJ,mBAAUM,WACnBX,cAAcK,mBAAUK,QAE5CA,SAKDA,OAAOE,MAAMC,OACbH,OAAOE,mBAAcJ,QAAQM,WAE7BJ,OAAOE,OAASJ,QAAQM"}
\ No newline at end of file
diff --git a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments/selectors.min.js b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments/selectors.min.js
index d325a53f68d..ec1e74e49e6 100644
--- a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments/selectors.min.js
+++ b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments/selectors.min.js
@@ -1,2 +1,3 @@
-define ("gradingform_guide/grades/grader/gradingpanel/comments/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;a.default={frequentComment:"[data-gradingform_guide-role=\"frequent-comment\"]",criterion:"[data-gradingform-guide-role=\"criterion\"]",remark:"[data-gradingform-guide-role=\"remark\"]"};return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("gradingform_guide/grades/grader/gradingpanel/comments/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;return _exports.default={frequentComment:'[data-gradingform_guide-role="frequent-comment"]',criterion:'[data-gradingform-guide-role="criterion"]',remark:'[data-gradingform-guide-role="remark"]'},_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments/selectors.min.js.map b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments/selectors.min.js.map
index 539a41d8769..0e5d0f8d08f 100644
--- a/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments/selectors.min.js.map
+++ b/grade/grading/form/guide/amd/build/grades/grader/gradingpanel/comments/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../../src/grades/grader/gradingpanel/comments/selectors.js"],"names":["frequentComment","criterion","remark"],"mappings":"2LAuBe,CACXA,eAAe,CAAE,oDADN,CAEXC,SAAS,CAAE,6CAFA,CAGXC,MAAM,CAAE,0CAHG,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the Marking Guide interface.\n *\n * @module     gradingform_guide/grades/grader/gradingpanel/comments/selectors\n * @package    gradingform_guide\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default {\n    frequentComment: '[data-gradingform_guide-role=\"frequent-comment\"]',\n    criterion: '[data-gradingform-guide-role=\"criterion\"]',\n    remark: '[data-gradingform-guide-role=\"remark\"]',\n};\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../../../../../src/grades/grader/gradingpanel/comments/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the Marking Guide interface.\n *\n * @module     gradingform_guide/grades/grader/gradingpanel/comments/selectors\n * @package    gradingform_guide\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default {\n    frequentComment: '[data-gradingform_guide-role=\"frequent-comment\"]',\n    criterion: '[data-gradingform-guide-role=\"criterion\"]',\n    remark: '[data-gradingform-guide-role=\"remark\"]',\n};\n"],"names":["frequentComment","criterion","remark"],"mappings":"iNAuBe,CACXA,gBAAiB,mDACjBC,UAAW,4CACXC,OAAQ"}
\ No newline at end of file
diff --git a/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js b/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js
index c45e715d3bb..6d847113daf 100644
--- a/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js
+++ b/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js
@@ -1,2 +1,3 @@
-define ("gradingform_rubric/grades/grader/gradingpanel",["exports","core/ajax","core_grades/grades/grader/gradingpanel/normalise","core_grades/grades/grader/gradingpanel/comparison","jquery"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.storeCurrentGrade=a.fetchCurrentGrade=void 0;e=function(a){return a&&a.__esModule?a:{default:a}}(e);function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var g=a.apply(b,c);function h(a){f(g,d,e,h,i,"next",a)}function i(a){f(g,d,e,h,i,"throw",a)}h(void 0)})}}a.fetchCurrentGrade=function fetchCurrentGrade(a,c,d,e){return(0,b.call)([{methodname:"gradingform_rubric_grader_gradingpanel_fetch",args:{component:a,contextid:c,itemname:d,gradeduserid:e}}])[0]};var h=function(){var a=g(regeneratorRuntime.mark(function k(a,f,g,h,i,j){var l;return regeneratorRuntime.wrap(function(k){while(1){switch(k.prev=k.next){case 0:l=j.querySelector("form");if(!(!0===(0,d.compareData)(l))){k.next=9;break}k.t0=c.normaliseResult;k.next=5;return(0,b.call)([{methodname:"gradingform_rubric_grader_gradingpanel_store",args:{component:a,contextid:f,itemname:g,gradeduserid:h,notifyuser:i,formdata:(0,e.default)(l).serialize()}}])[0];case 5:k.t1=k.sent;return k.abrupt("return",(0,k.t0)(k.t1));case 9:return k.abrupt("return","");case 10:case"end":return k.stop();}}},k)}));return function(){return a.apply(this,arguments)}}();a.storeCurrentGrade=h});
-//# sourceMappingURL=gradingpanel.min.js.map
+define("gradingform_rubric/grades/grader/gradingpanel",["exports","core/ajax","core_grades/grades/grader/gradingpanel/normalise","core_grades/grades/grader/gradingpanel/comparison","jquery"],(function(_exports,_ajax,_normalise,_comparison,_jquery){var obj;function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.storeCurrentGrade=_exports.fetchCurrentGrade=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};_exports.fetchCurrentGrade=function(component,contextid,itemname,gradeduserid){return(0,_ajax.call)([{methodname:"gradingform_rubric_grader_gradingpanel_fetch",args:{component:component,contextid:contextid,itemname:itemname,gradeduserid:gradeduserid}}])[0]};var fn,_ref,storeCurrentGrade=(fn=regeneratorRuntime.mark((function _callee(component,contextid,itemname,gradeduserid,notifyUser,rootNode){var form;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:if(form=rootNode.querySelector("form"),!0!==(0,_comparison.compareData)(form)){_context.next=9;break}return _context.t0=_normalise.normaliseResult,_context.next=5,(0,_ajax.call)([{methodname:"gradingform_rubric_grader_gradingpanel_store",args:{component:component,contextid:contextid,itemname:itemname,gradeduserid:gradeduserid,notifyuser:notifyUser,formdata:(0,_jquery.default)(form).serialize()}}])[0];case 5:return _context.t1=_context.sent,_context.abrupt("return",(0,_context.t0)(_context.t1));case 9:return _context.abrupt("return","");case 10:case"end":return _context.stop()}}),_callee)})),_ref=function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))},function(_x,_x2,_x3,_x4,_x5,_x6){return _ref.apply(this,arguments)});_exports.storeCurrentGrade=storeCurrentGrade}));
+
+//# sourceMappingURL=gradingpanel.min.js.map
\ No newline at end of file
diff --git a/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js.map b/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js.map
index 33ce01ccb0b..39fd3936057 100644
--- a/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js.map
+++ b/grade/grading/form/rubric/amd/build/grades/grader/gradingpanel.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/grades/grader/gradingpanel.js"],"names":["fetchCurrentGrade","component","contextid","itemname","gradeduserid","methodname","args","storeCurrentGrade","notifyUser","rootNode","form","querySelector","normaliseResult","notifyuser","formdata","serialize"],"mappings":"iUA6BA,uD,mVAYiC,QAApBA,CAAAA,iBAAoB,CAACC,CAAD,CAAYC,CAAZ,CAAuBC,CAAvB,CAAiCC,CAAjC,CAAkD,CAC/E,MAAO,WAAU,CAAC,CACdC,UAAU,+CADI,CAEdC,IAAI,CAAE,CACFL,SAAS,CAATA,CADE,CAEFC,SAAS,CAATA,CAFE,CAGFC,QAAQ,CAARA,CAHE,CAIFC,YAAY,CAAZA,CAJE,CAFQ,CAAD,CAAV,EAQH,CARG,CASV,C,CAcM,GAAMG,CAAAA,CAAiB,4CAAG,WAAMN,CAAN,CAAiBC,CAAjB,CAA4BC,CAA5B,CAAsCC,CAAtC,CAAoDI,CAApD,CAAgEC,CAAhE,yFACvBC,CADuB,CAChBD,CAAQ,CAACE,aAAT,CAAuB,MAAvB,CADgB,MAGzB,uBAAYD,CAAZ,CAHyB,uBAIlBE,iBAJkB,gBAII,WAAU,CAAC,CACpCP,UAAU,+CAD0B,CAEpCC,IAAI,CAAE,CACFL,SAAS,CAATA,CADE,CAEFC,SAAS,CAATA,CAFE,CAGFC,QAAQ,CAARA,CAHE,CAIFC,YAAY,CAAZA,CAJE,CAKFS,UAAU,CAAEL,CALV,CAMFM,QAAQ,CAAE,cAAOJ,CAAP,EAAaK,SAAb,EANR,CAF8B,CAAD,CAAV,EAUzB,CAVyB,CAJJ,6FAgBlB,EAhBkB,2CAAH,uDAAvB,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel for gradingform_rubric.\n *\n * @module     gradingform_rubric/grades/grader/gradingpanel\n * @package    gradingform_rubric\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {call as fetchMany} from 'core/ajax';\nimport {normaliseResult} from 'core_grades/grades/grader/gradingpanel/normalise';\nimport {compareData} from 'core_grades/grades/grader/gradingpanel/comparison';\n\n// Note: We use jQuery.serializer here until we can rewrite Ajax to use XHR.send()\nimport jQuery from 'jquery';\n\n/**\n * For a given component, contextid, itemname & gradeduserid we can fetch the currently assigned grade.\n *\n * @param {String} component\n * @param {Number} contextid\n * @param {String} itemname\n * @param {Number} gradeduserid\n *\n * @returns {Promise}\n */\nexport const fetchCurrentGrade = (component, contextid, itemname, gradeduserid) => {\n    return fetchMany([{\n        methodname: `gradingform_rubric_grader_gradingpanel_fetch`,\n        args: {\n            component,\n            contextid,\n            itemname,\n            gradeduserid,\n        },\n    }])[0];\n};\n\n/**\n * For a given component, contextid, itemname & gradeduserid we can store the currently assigned grade in a given form.\n *\n * @param {String} component\n * @param {Number} contextid\n * @param {String} itemname\n * @param {Number} gradeduserid\n * @param {Boolean} notifyUser\n * @param {HTMLElement} rootNode\n *\n * @returns {Promise}\n */\nexport const storeCurrentGrade = async(component, contextid, itemname, gradeduserid, notifyUser, rootNode) => {\n    const form = rootNode.querySelector('form');\n\n    if (compareData(form) === true) {\n        return normaliseResult(await fetchMany([{\n            methodname: `gradingform_rubric_grader_gradingpanel_store`,\n            args: {\n                component,\n                contextid,\n                itemname,\n                gradeduserid,\n                notifyuser: notifyUser,\n                formdata: jQuery(form).serialize(),\n            },\n        }])[0]);\n    } else {\n        return '';\n    }\n};\n"],"file":"gradingpanel.min.js"}
\ No newline at end of file
+{"version":3,"file":"gradingpanel.min.js","sources":["../../../src/grades/grader/gradingpanel.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel for gradingform_rubric.\n *\n * @module     gradingform_rubric/grades/grader/gradingpanel\n * @package    gradingform_rubric\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {call as fetchMany} from 'core/ajax';\nimport {normaliseResult} from 'core_grades/grades/grader/gradingpanel/normalise';\nimport {compareData} from 'core_grades/grades/grader/gradingpanel/comparison';\n\n// Note: We use jQuery.serializer here until we can rewrite Ajax to use XHR.send()\nimport jQuery from 'jquery';\n\n/**\n * For a given component, contextid, itemname & gradeduserid we can fetch the currently assigned grade.\n *\n * @param {String} component\n * @param {Number} contextid\n * @param {String} itemname\n * @param {Number} gradeduserid\n *\n * @returns {Promise}\n */\nexport const fetchCurrentGrade = (component, contextid, itemname, gradeduserid) => {\n    return fetchMany([{\n        methodname: `gradingform_rubric_grader_gradingpanel_fetch`,\n        args: {\n            component,\n            contextid,\n            itemname,\n            gradeduserid,\n        },\n    }])[0];\n};\n\n/**\n * For a given component, contextid, itemname & gradeduserid we can store the currently assigned grade in a given form.\n *\n * @param {String} component\n * @param {Number} contextid\n * @param {String} itemname\n * @param {Number} gradeduserid\n * @param {Boolean} notifyUser\n * @param {HTMLElement} rootNode\n *\n * @returns {Promise}\n */\nexport const storeCurrentGrade = async(component, contextid, itemname, gradeduserid, notifyUser, rootNode) => {\n    const form = rootNode.querySelector('form');\n\n    if (compareData(form) === true) {\n        return normaliseResult(await fetchMany([{\n            methodname: `gradingform_rubric_grader_gradingpanel_store`,\n            args: {\n                component,\n                contextid,\n                itemname,\n                gradeduserid,\n                notifyuser: notifyUser,\n                formdata: jQuery(form).serialize(),\n            },\n        }])[0]);\n    } else {\n        return '';\n    }\n};\n"],"names":["component","contextid","itemname","gradeduserid","methodname","args","storeCurrentGrade","notifyUser","rootNode","form","querySelector","normaliseResult","notifyuser","formdata","serialize"],"mappings":"mqBAyCiC,SAACA,UAAWC,UAAWC,SAAUC,qBACvD,cAAU,CAAC,CACdC,0DACAC,KAAM,CACFL,UAAAA,UACAC,UAAAA,UACAC,SAAAA,SACAC,aAAAA,iBAEJ,gBAeKG,+CAAoB,iBAAMN,UAAWC,UAAWC,SAAUC,aAAcI,WAAYC,2HACvFC,KAAOD,SAASE,cAAc,SAEV,KAAtB,2BAAYD,gDACLE,4CAAsB,cAAU,CAAC,CACpCP,0DACAC,KAAM,CACFL,UAAAA,UACAC,UAAAA,UACAC,SAAAA,SACAC,aAAAA,aACAS,WAAYL,WACZM,UAAU,mBAAOJ,MAAMK,gBAE3B,yIAEG"}
\ No newline at end of file
diff --git a/h5p/amd/build/editor_display.min.js b/h5p/amd/build/editor_display.min.js
index a33bad78949..12ca65837af 100644
--- a/h5p/amd/build/editor_display.min.js
+++ b/h5p/amd/build/editor_display.min.js
@@ -1,2 +1,11 @@
-define ("core_h5p/editor_display",["exports","jquery"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(a){var c=(0,b.default)("#"+a),d=(0,b.default)(".h5p-editor"),e=d.closest("form"),f=(0,b.default)("h5p-editor-upload"),g=(0,b.default)("input[name=\"h5plibrary\"]"),h=(0,b.default)("input[name=\"h5pparams\"]"),i=(0,b.default)("input[name=\"name\"]"),j=(0,b.default)("input[name=\"h5paction\"]");j.val("create");H5PEditor.init(e,j,f,c,d,g,h,"",i,function cancelSubmitCallback(a){return a.is("[name=\"cancel\"]")});document.querySelector("#"+a+" iframe").setAttribute("name","h5p-editor")};a.init=c});
-//# sourceMappingURL=editor_display.min.js.map
+define("core_h5p/editor_display",["exports","jquery"],(function(_exports,_jquery){var obj;
+/**
+   * This module handles the display of the H5P authoring tool.
+   *
+   * @module     core_h5p/editor_display
+   * @package    core_h5p
+   * @copyright  2020 Victor Deniz <victor@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};_exports.init=function(elementId){var editorwrapper=(0,_jquery.default)("#"+elementId),editor=(0,_jquery.default)(".h5p-editor"),mform=editor.closest("form"),editorupload=(0,_jquery.default)("h5p-editor-upload"),h5plibrary=(0,_jquery.default)('input[name="h5plibrary"]'),h5pparams=(0,_jquery.default)('input[name="h5pparams"]'),inputname=(0,_jquery.default)('input[name="name"]'),h5paction=(0,_jquery.default)('input[name="h5paction"]');h5paction.val("create"),H5PEditor.init(mform,h5paction,editorupload,editorwrapper,editor,h5plibrary,h5pparams,"",inputname,(function($button){return $button.is('[name="cancel"]')})),document.querySelector("#"+elementId+" iframe").setAttribute("name","h5p-editor")}}));
+
+//# sourceMappingURL=editor_display.min.js.map
\ No newline at end of file
diff --git a/h5p/amd/build/editor_display.min.js.map b/h5p/amd/build/editor_display.min.js.map
index 09d896b21d1..ef5e45d5601 100644
--- a/h5p/amd/build/editor_display.min.js.map
+++ b/h5p/amd/build/editor_display.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/editor_display.js"],"names":["init","elementId","editorwrapper","editor","mform","closest","editorupload","h5plibrary","h5pparams","inputname","h5paction","val","H5PEditor","cancelSubmitCallback","$button","is","document","querySelector","setAttribute"],"mappings":"iJAwBA,uDAQO,GAAMA,CAAAA,CAAI,CAAG,SAACC,CAAD,CAAe,IACzBC,CAAAA,CAAa,CAAG,cAAE,IAAMD,CAAR,CADS,CAEzBE,CAAM,CAAG,cAAE,aAAF,CAFgB,CAGzBC,CAAK,CAAGD,CAAM,CAACE,OAAP,CAAe,MAAf,CAHiB,CAIzBC,CAAY,CAAG,cAAE,mBAAF,CAJU,CAKzBC,CAAU,CAAG,cAAE,4BAAF,CALY,CAMzBC,CAAS,CAAG,cAAE,2BAAF,CANa,CAOzBC,CAAS,CAAG,cAAE,sBAAF,CAPa,CAQzBC,CAAS,CAAG,cAAE,2BAAF,CARa,CAe/BA,CAAS,CAACC,GAAV,CAAc,QAAd,EAEAC,SAAS,CAACZ,IAAV,CACII,CADJ,CAEIM,CAFJ,CAGIJ,CAHJ,CAIIJ,CAJJ,CAKIC,CALJ,CAMII,CANJ,CAOIC,CAPJ,CAQI,EARJ,CASIC,CATJ,CAN6B,QAAvBI,CAAAA,oBAAuB,CAASC,CAAT,CAAkB,CAC3C,MAAOA,CAAAA,CAAO,CAACC,EAAR,CAAW,mBAAX,CACV,CAID,EAYAC,QAAQ,CAACC,aAAT,CAAuB,IAAMhB,CAAN,CAAkB,SAAzC,EAAoDiB,YAApD,CAAiE,MAAjE,CAAyE,YAAzE,CACH,CA9BM,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles the display of the H5P authoring tool.\n *\n * @module     core_h5p/editor_display\n * @package    core_h5p\n * @copyright  2020 Victor Deniz <victor@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\n/* global H5PEditor */\n\n/**\n * Display the H5P authoring tool.\n *\n * @param {String} elementId Root element.\n */\nexport const init = (elementId) => {\n    const editorwrapper = $('#' + elementId);\n    const editor = $('.h5p-editor');\n    const mform = editor.closest(\"form\");\n    const editorupload = $(\"h5p-editor-upload\");\n    const h5plibrary = $('input[name=\"h5plibrary\"]');\n    const h5pparams = $('input[name=\"h5pparams\"]');\n    const inputname = $('input[name=\"name\"]');\n    const h5paction = $('input[name=\"h5paction\"]');\n\n    // Cancel validation and submission of form if clicking cancel button.\n    const cancelSubmitCallback = function($button) {\n        return $button.is('[name=\"cancel\"]');\n    };\n\n    h5paction.val(\"create\");\n\n    H5PEditor.init(\n        mform,\n        h5paction,\n        editorupload,\n        editorwrapper,\n        editor,\n        h5plibrary,\n        h5pparams,\n        '',\n        inputname,\n        cancelSubmitCallback\n    );\n    document.querySelector('#' + elementId + ' iframe').setAttribute('name', 'h5p-editor');\n};\n"],"file":"editor_display.min.js"}
\ No newline at end of file
+{"version":3,"file":"editor_display.min.js","sources":["../src/editor_display.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles the display of the H5P authoring tool.\n *\n * @module     core_h5p/editor_display\n * @package    core_h5p\n * @copyright  2020 Victor Deniz <victor@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\n/* global H5PEditor */\n\n/**\n * Display the H5P authoring tool.\n *\n * @param {String} elementId Root element.\n */\nexport const init = (elementId) => {\n    const editorwrapper = $('#' + elementId);\n    const editor = $('.h5p-editor');\n    const mform = editor.closest(\"form\");\n    const editorupload = $(\"h5p-editor-upload\");\n    const h5plibrary = $('input[name=\"h5plibrary\"]');\n    const h5pparams = $('input[name=\"h5pparams\"]');\n    const inputname = $('input[name=\"name\"]');\n    const h5paction = $('input[name=\"h5paction\"]');\n\n    // Cancel validation and submission of form if clicking cancel button.\n    const cancelSubmitCallback = function($button) {\n        return $button.is('[name=\"cancel\"]');\n    };\n\n    h5paction.val(\"create\");\n\n    H5PEditor.init(\n        mform,\n        h5paction,\n        editorupload,\n        editorwrapper,\n        editor,\n        h5plibrary,\n        h5pparams,\n        '',\n        inputname,\n        cancelSubmitCallback\n    );\n    document.querySelector('#' + elementId + ' iframe').setAttribute('name', 'h5p-editor');\n};\n"],"names":["elementId","editorwrapper","editor","mform","closest","editorupload","h5plibrary","h5pparams","inputname","h5paction","val","H5PEditor","init","$button","is","document","querySelector","setAttribute"],"mappings":";;;;;;;;wJAgCoB,SAACA,eACXC,eAAgB,mBAAE,IAAMD,WACxBE,QAAS,mBAAE,eACXC,MAAQD,OAAOE,QAAQ,QACvBC,cAAe,mBAAE,qBACjBC,YAAa,mBAAE,4BACfC,WAAY,mBAAE,2BACdC,WAAY,mBAAE,sBACdC,WAAY,mBAAE,2BAOpBA,UAAUC,IAAI,UAEdC,UAAUC,KACNT,MACAM,UACAJ,aACAJ,cACAC,OACAI,WACAC,UACA,GACAC,WAfyB,SAASK,gBAC3BA,QAAQC,GAAG,sBAiBtBC,SAASC,cAAc,IAAMhB,UAAY,WAAWiB,aAAa,OAAQ"}
\ No newline at end of file
diff --git a/lib/amd/build/adapter.min.js b/lib/amd/build/adapter.min.js
index 0174c1020cc..39d74d71d1e 100644
--- a/lib/amd/build/adapter.min.js
+++ b/lib/amd/build/adapter.min.js
@@ -1,2 +1,3 @@
-function _typeof2(e){"@babel/helpers - typeof";return _typeof2="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},_typeof2(e)}define ("core/adapter",[],function(){return function r(d,t,n){function a(i,o){if(!t[i]){if(!d[i]){var s="function"==typeof require&&require;if(!o&&s)return s(i,!0);if(e)return e(i,!0);var c=new Error("Cannot find module '"+i+"'");throw c.code="MODULE_NOT_FOUND",c}var p=t[i]={exports:{}};d[i][0].call(p.exports,function(t){var e=d[i][1][t];return a(e?e:t)},p,p.exports,r,d,t,n)}return t[i].exports}for(var e="function"==typeof require&&require,i=0;i<n.length;i++){a(n[i])}return a}({1:[function(e,t){"use strict";var r=e("./adapter_factory.js"),a=(0,r.adapterFactory)({window:window});t.exports=a},{"./adapter_factory.js":2}],2:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.adapterFactory=function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:{},t=e.window,r=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{shimChrome:!0,shimFirefox:!0,shimEdge:!0,shimSafari:!0},a=n.log,i=n.detectBrowser(t),s={browserDetails:i,commonShim:h,extractVersion:n.extractVersion,disableLog:n.disableLog,disableWarnings:n.disableWarnings};switch(i.browser){case"chrome":if(!o||!o.shimPeerConnection||!r.shimChrome){a("Chrome shim is not included in this adapter release.");return s}a("adapter.js shimming chrome.");s.browserShim=o;o.shimGetUserMedia(t);o.shimMediaStream(t);o.shimPeerConnection(t);o.shimOnTrack(t);o.shimAddTrackRemoveTrack(t);o.shimGetSendersWithDtmf(t);o.shimGetStats(t);o.shimSenderReceiverGetStats(t);o.fixNegotiationNeeded(t);h.shimRTCIceCandidate(t);h.shimConnectionState(t);h.shimMaxMessageSize(t);h.shimSendThrowTypeError(t);h.removeAllowExtmapMixed(t);break;case"firefox":if(!p||!p.shimPeerConnection||!r.shimFirefox){a("Firefox shim is not included in this adapter release.");return s}a("adapter.js shimming firefox.");s.browserShim=p;p.shimGetUserMedia(t);p.shimPeerConnection(t);p.shimOnTrack(t);p.shimRemoveStream(t);p.shimSenderGetStats(t);p.shimReceiverGetStats(t);p.shimRTCDataChannel(t);p.shimAddTransceiver(t);p.shimCreateOffer(t);p.shimCreateAnswer(t);h.shimRTCIceCandidate(t);h.shimConnectionState(t);h.shimMaxMessageSize(t);h.shimSendThrowTypeError(t);break;case"edge":if(!d||!d.shimPeerConnection||!r.shimEdge){a("MS edge shim is not included in this adapter release.");return s}a("adapter.js shimming edge.");s.browserShim=d;d.shimGetUserMedia(t);d.shimGetDisplayMedia(t);d.shimPeerConnection(t);d.shimReplaceTrack(t);h.shimMaxMessageSize(t);h.shimSendThrowTypeError(t);break;case"safari":if(!m||!r.shimSafari){a("Safari shim is not included in this adapter release.");return s}a("adapter.js shimming safari.");s.browserShim=m;m.shimRTCIceServerUrls(t);m.shimCreateOfferLegacy(t);m.shimCallbacksAPI(t);m.shimLocalStreamsAPI(t);m.shimRemoteStreamsAPI(t);m.shimTrackEventTransceiver(t);m.shimGetUserMedia(t);h.shimRTCIceCandidate(t);h.shimMaxMessageSize(t);h.shimSendThrowTypeError(t);h.removeAllowExtmapMixed(t);break;default:a("Unsupported browser!");break;}return s};var a=e("./utils"),n=g(a),i=e("./chrome/chrome_shim"),o=g(i),s=e("./edge/edge_shim"),d=g(s),c=e("./firefox/firefox_shim"),p=g(c),l=e("./safari/safari_shim"),m=g(l),f=e("./common_shim"),h=g(f);function g(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=r.shimGetUserMedia=void 0;var a="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)},n=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return n.shimGetUserMedia}});var i=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return i.shimGetDisplayMedia}});r.shimMediaStream=function(e){e.MediaStream=e.MediaStream||e.webkitMediaStream};r.shimOnTrack=c;r.shimGetSendersWithDtmf=p;r.shimGetStats=function(e){if(!e.RTCPeerConnection){return}var t=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=this,r=Array.prototype.slice.call(arguments),a=r[0],n=r[1],i=r[2];if(0<arguments.length&&"function"==typeof a){return t.apply(this,arguments)}if(0===t.length&&(0===arguments.length||"function"!=typeof a)){return t.apply(this,[])}var o=function(e){var t={},r=e.result();r.forEach(function(e){var r={id:e.id,timestamp:e.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type};e.names().forEach(function(t){r[t]=e.stat(t)});t[r.id]=r});return t},s=function(e){return new Map(Object.keys(e).map(function(t){return[t,e[t]]}))};if(2<=arguments.length){var d=function(e){n(s(o(e)))};return t.apply(this,[d,a])}return new Promise(function(r,a){t.apply(e,[function(e){r(s(o(e)))},a])}).then(n,i)}};r.shimSenderReceiverGetStats=l;r.shimAddTrackRemoveTrackWithNative=m;r.shimAddTrackRemoveTrack=function(e){if(!e.RTCPeerConnection){return}var t=s.detectBrowser(e);if(e.RTCPeerConnection.prototype.addTrack&&65<=t.version){return m(e)}var r=e.RTCPeerConnection.prototype.getLocalStreams;e.RTCPeerConnection.prototype.getLocalStreams=function(){var e=this,t=r.apply(this);this._reverseStreams=this._reverseStreams||{};return t.map(function(t){return e._reverseStreams[t.id]})};var a=e.RTCPeerConnection.prototype.addStream;e.RTCPeerConnection.prototype.addStream=function(t){var r=this;this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};t.getTracks().forEach(function(e){var t=r.getSenders().find(function(t){return t.track===e});if(t){throw new DOMException("Track already exists.","InvalidAccessError")}});if(!this._reverseStreams[t.id]){var n=new e.MediaStream(t.getTracks());this._streams[t.id]=n;this._reverseStreams[n.id]=t;t=n}a.apply(this,[t])};var n=e.RTCPeerConnection.prototype.removeStream;e.RTCPeerConnection.prototype.removeStream=function(e){this._streams=this._streams||{};this._reverseStreams=this._reverseStreams||{};n.apply(this,[this._streams[e.id]||e]);delete this._reverseStreams[this._streams[e.id]?this._streams[e.id].id:e.id];delete this._streams[e.id]};e.RTCPeerConnection.prototype.addTrack=function(r,a){var n=this;if("closed"===this.signalingState){throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError")}var i=[].slice.call(arguments,1);if(1!==i.length||!i[0].getTracks().find(function(e){return e===r})){throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError")}var o=this.getSenders().find(function(e){return e.track===r});if(o){throw new DOMException("Track already 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e=this,t=arguments,a=arguments.length&&"function"==typeof arguments[0];if(a){return r.apply(this,[function(r){var a=i(e,r);t[0].apply(null,[a])},function(e){if(t[1]){t[1].apply(null,e)}},arguments[2]])}return r.apply(this,arguments).then(function(t){return i(e,t)})});e.RTCPeerConnection.prototype[t]=a[t]});var c=e.RTCPeerConnection.prototype.setLocalDescription;e.RTCPeerConnection.prototype.setLocalDescription=function(){if(!arguments.length||!arguments[0].type){return c.apply(this,arguments)}arguments[0]=o(this,arguments[0]);return c.apply(this,arguments)};var p=Object.getOwnPropertyDescriptor(e.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(e.RTCPeerConnection.prototype,"localDescription",{get:function(){var e=p.get.apply(this);if(""===e.type){return e}return i(this,e)}});e.RTCPeerConnection.prototype.removeTrack=function(e){var t=this;if("closed"===this.signalingState){throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError")}if(!e._pc){throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError")}var r=e._pc===this;if(!r){throw new DOMException("Sender was not created by this connection.","InvalidAccessError")}this._streams=this._streams||{};var a;Object.keys(this._streams).forEach(function(r){var n=t._streams[r].getTracks().find(function(t){return e.track===t});if(n){a=t._streams[r]}});if(a){if(1===a.getTracks().length){this.removeStream(this._reverseStreams[a.id])}else{a.removeTrack(e.track)}this.dispatchEvent(new Event("negotiationneeded"))}}};r.shimPeerConnection=function(e){var t=s.detectBrowser(e);if(!e.RTCPeerConnection&&e.webkitRTCPeerConnection){e.RTCPeerConnection=e.webkitRTCPeerConnection}if(!e.RTCPeerConnection){return}if(53>t.version){["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var r=e.RTCPeerConnection.prototype[t],a=d({},t,function(){arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]);return r.apply(this,arguments)});e.RTCPeerConnection.prototype[t]=a[t]})}var r=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}if(78>t.version&&arguments[0]&&""===arguments[0].candidate){return Promise.resolve()}return r.apply(this,arguments)}};r.fixNegotiationNeeded=function(e){s.wrapPeerConnectionEvent(e,"negotiationneeded",function(t){var e=t.target;if("stable"!==e.signalingState){return}return t})};var o=e("../utils.js"),s=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(o);function d(e,t,r){if(t in 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e[t]}};e=JSON.parse(JSON.stringify(e));s(e.audio,"autoGainControl","googAutoGainControl");s(e.audio,"noiseSuppression","googNoiseSuppression");e.audio=n(e.audio)}if(e&&"object"===a(e.video)){var d=e.video.facingMode;d=d&&("object"===("undefined"==typeof d?"undefined":a(d))?d:{ideal:d});var c=66>r.version;if(d&&("user"===d.exact||"environment"===d.exact||"user"===d.ideal||"environment"===d.ideal)&&!(t.mediaDevices.getSupportedConstraints&&t.mediaDevices.getSupportedConstraints().facingMode&&!c)){delete e.video.facingMode;var p;if("environment"===d.exact||"environment"===d.ideal){p=["back","rear"]}else if("user"===d.exact||"user"===d.ideal){p=["front"]}if(p){return t.mediaDevices.enumerateDevices().then(function(t){t=t.filter(function(e){return"videoinput"===e.kind});var r=t.find(function(e){return p.some(function(t){return e.label.toLowerCase().includes(t)})});if(!r&&t.length&&p.includes("back")){r=t[t.length-1]}if(r){e.video.deviceId=d.exact?{exact:r.deviceId}:{ideal:r.deviceId}}e.video=n(e.video);o("chrome: "+JSON.stringify(e));return i(e)})}}e.video=n(e.video)}o("chrome: "+JSON.stringify(e));return i(e)},d=function(t){if(64<=r.version){return t}return{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[t.name]||t.name,message:t.message,constraint:t.constraint||t.constraintName,toString:function(){return this.name+(this.message&&": 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Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)};r.shimRTCIceCandidate=d;r.shimMaxMessageSize=c;r.shimSendThrowTypeError=p;r.shimConnectionState=l;r.removeAllowExtmapMixed=function(e){if(!e.RTCPeerConnection){return}var t=s.detectBrowser(e);if("chrome"===t.browser&&71<=t.version){return}var r=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(e){if(e&&e.sdp&&-1!==e.sdp.indexOf("\na=extmap-allow-mixed")){e.sdp=e.sdp.split("\n").filter(function(e){return"a=extmap-allow-mixed"!==e.trim()}).join("\n")}return r.apply(this,arguments)}};var n=e("sdp"),i=function(e){return e&&e.__esModule?e:{default:e}}(n),o=e("./utils"),s=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(o);function d(t){if(!t.RTCIceCandidate||t.RTCIceCandidate&&"foundation"in t.RTCIceCandidate.prototype){return}var r=t.RTCIceCandidate;t.RTCIceCandidate=function(e){if("object"===("undefined"==typeof e?"undefined":a(e))&&e.candidate&&0===e.candidate.indexOf("a=")){e=JSON.parse(JSON.stringify(e));e.candidate=e.candidate.substr(2)}if(e.candidate&&e.candidate.length){var t=new r(e),n=i.default.parseCandidate(e.candidate),o=Object.assign(t,n);o.toJSON=function(){return{candidate:o.candidate,sdpMid:o.sdpMid,sdpMLineIndex:o.sdpMLineIndex,usernameFragment:o.usernameFragment}};return o}return new r(e)};t.RTCIceCandidate.prototype=r.prototype;s.wrapPeerConnectionEvent(t,"icecandidate",function(r){if(r.candidate){Object.defineProperty(r,"candidate",{value:new t.RTCIceCandidate(r.candidate),writable:"false"})}return r})}function c(e){if(!e.RTCPeerConnection){return}var t=s.detectBrowser(e);if(!("sctp"in e.RTCPeerConnection.prototype)){Object.defineProperty(e.RTCPeerConnection.prototype,"sctp",{get:function(){return"undefined"==typeof this._sctp?null:this._sctp}})}var r=function(e){if(!e||!e.sdp){return!1}var t=i.default.splitSections(e.sdp);t.shift();return t.some(function(e){var t=i.default.parseMLine(e);return t&&"application"===t.kind&&-1!==t.protocol.indexOf("SCTP")})},a=function(e){var t=e.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===t||2>t.length){return-1}var r=parseInt(t[1],10);return r!==r?-1:r},n=function(e){var r=65536;if("firefox"===t.browser){if(57>t.version){if(-1===e){r=16384}else{r=2147483637}}else if(60>t.version){r=57===t.version?65535:65536}else{r=2147483637}}return r},o=function(e,r){var a=65536;if("firefox"===t.browser&&57===t.version){a=65535}var n=i.default.matchPrefix(e.sdp,"a=max-message-size:");if(0<n.length){a=parseInt(n[0].substr(19),10)}else if("firefox"===t.browser&&-1!==r){a=2147483637}return a},d=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){this._sctp=null;if("chrome"===t.browser&&76<=t.version){var e=this.getConfiguration(),i=e.sdpSemantics;if("plan-b"===i){Object.defineProperty(this,"sctp",{get:function(){return"undefined"==typeof this._sctp?null:this._sctp},enumerable:!0,configurable:!0})}}if(r(arguments[0])){var s=a(arguments[0]),c=n(s),p=o(arguments[0],s),l=void 0;if(0===c&&0===p){l=Number.POSITIVE_INFINITY}else if(0===c||0===p){l=Math.max(c,p)}else{l=Math.min(c,p)}var m={};Object.defineProperty(m,"maxMessageSize",{get:function(){return l}});this._sctp=m}return d.apply(this,arguments)}}function p(e){if(!(e.RTCPeerConnection&&"createDataChannel"in e.RTCPeerConnection.prototype)){return}function t(e,t){var r=e.send;e.send=function(){var a=arguments[0],n=a.length||a.size||a.byteLength;if("open"===e.readyState&&t.sctp&&n>t.sctp.maxMessageSize){throw new TypeError("Message too large (can send a maximum of "+t.sctp.maxMessageSize+" bytes)")}return r.apply(e,arguments)}}var r=e.RTCPeerConnection.prototype.createDataChannel;e.RTCPeerConnection.prototype.createDataChannel=function(){var e=r.apply(this,arguments);t(e,this);return e};s.wrapPeerConnectionEvent(e,"datachannel",function(r){t(r.channel,r.target);return r})}function l(e){if(!e.RTCPeerConnection||"connectionState"in e.RTCPeerConnection.prototype){return}var t=e.RTCPeerConnection.prototype;Object.defineProperty(t,"connectionState",{get:function(){return{completed:"connected",checking:"connecting"}[this.iceConnectionState]||this.iceConnectionState},enumerable:!0,configurable:!0});Object.defineProperty(t,"onconnectionstatechange",{get:function(){return this._onconnectionstatechange||null},set:function(e){if(this._onconnectionstatechange){this.removeEventListener("connectionstatechange",this._onconnectionstatechange);delete this._onconnectionstatechange}if(e){this.addEventListener("connectionstatechange",this._onconnectionstatechange=e)}},enumerable:!0,configurable:!0});["setLocalDescription","setRemoteDescription"].forEach(function(e){var r=t[e];t[e]=function(){if(!this._connectionstatechangepoly){this._connectionstatechangepoly=function(t){var e=t.target;if(e._lastConnectionState!==e.connectionState){e._lastConnectionState=e.connectionState;var r=new Event("connectionstatechange",t);e.dispatchEvent(r)}return t};this.addEventListener("iceconnectionstatechange",this._connectionstatechangepoly)}return r.apply(this,arguments)}})}},{"./utils":15,sdp:17}],7:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=r.shimGetUserMedia=void 0;var a=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return a.shimGetUserMedia}});var n=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return n.shimGetDisplayMedia}});r.shimPeerConnection=p;r.shimReplaceTrack=l;var i=e("../utils"),o=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(i),s=e("./filtericeservers"),d=e("rtcpeerconnection-shim"),c=function(e){return e&&e.__esModule?e:{default:e}}(d);function p(e){var t=o.detectBrowser(e);if(e.RTCIceGatherer){if(!e.RTCIceCandidate){e.RTCIceCandidate=function(e){return e}}if(!e.RTCSessionDescription){e.RTCSessionDescription=function(e){return e}}if(15025>t.version){var r=Object.getOwnPropertyDescriptor(e.MediaStreamTrack.prototype,"enabled");Object.defineProperty(e.MediaStreamTrack.prototype,"enabled",{set:function(e){r.set.call(this,e);var t=new Event("enabled");t.enabled=e;this.dispatchEvent(t)}})}}if(e.RTCRtpSender&&!("dtmf"in e.RTCRtpSender.prototype)){Object.defineProperty(e.RTCRtpSender.prototype,"dtmf",{get:function(){if(this._dtmf===void 0){if("audio"===this.track.kind){this._dtmf=new e.RTCDtmfSender(this)}else if("video"===this.track.kind){this._dtmf=null}}return this._dtmf}})}if(e.RTCDtmfSender&&!e.RTCDTMFSender){e.RTCDTMFSender=e.RTCDtmfSender}var a=(0,c.default)(e,t.version);e.RTCPeerConnection=function(e){if(e&&e.iceServers){e.iceServers=(0,s.filterIceServers)(e.iceServers,t.version);o.log("ICE servers after filtering:",e.iceServers)}return new a(e)};e.RTCPeerConnection.prototype=a.prototype}function l(e){if(e.RTCRtpSender&&!("replaceTrack"in e.RTCRtpSender.prototype)){e.RTCRtpSender.prototype.replaceTrack=e.RTCRtpSender.prototype.setTrack}}},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.filterIceServers=function(e){var t=!1;e=JSON.parse(JSON.stringify(e));return e.filter(function(e){if(e&&(e.urls||e.url)){var r=e.urls||e.url;if(e.url&&!e.urls){n.deprecated("RTCIceServer.url","RTCIceServer.urls")}var a="string"==typeof r;if(a){r=[r]}r=r.filter(function(e){if(0===e.indexOf("stun:")){return!1}var r=e.startsWith("turn")&&!e.startsWith("turn:[")&&e.includes("transport=udp");if(r&&!t){t=!0;return!0}return r&&!t});delete e.url;e.urls=a?r[0]:r;return!!r.length}})};var a=e("../utils"),n=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(a)},{"../utils":15}],9:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=a;function a(e){if(!("getDisplayMedia"in e.navigator)){return}if(!e.navigator.mediaDevices){return}if(e.navigator.mediaDevices&&"getDisplayMedia"in 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Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)},n=e("./getusermedia");Object.defineProperty(r,"shimGetUserMedia",{enumerable:!0,get:function(){return n.shimGetUserMedia}});var i=e("./getdisplaymedia");Object.defineProperty(r,"shimGetDisplayMedia",{enumerable:!0,get:function(){return i.shimGetDisplayMedia}});r.shimOnTrack=c;r.shimPeerConnection=function(e){var t=s.detectBrowser(e);if("object"!==("undefined"==typeof e?"undefined":a(e))||!(e.RTCPeerConnection||e.mozRTCPeerConnection)){return}if(!e.RTCPeerConnection&&e.mozRTCPeerConnection){e.RTCPeerConnection=e.mozRTCPeerConnection}if(53>t.version){["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach(function(t){var r=e.RTCPeerConnection.prototype[t],a=d({},t,function(){arguments[0]=new("addIceCandidate"===t?e.RTCIceCandidate:e.RTCSessionDescription)(arguments[0]);return r.apply(this,arguments)});e.RTCPeerConnection.prototype[t]=a[t]})}if(68>t.version){var r=e.RTCPeerConnection.prototype.addIceCandidate;e.RTCPeerConnection.prototype.addIceCandidate=function(){if(!arguments[0]){if(arguments[1]){arguments[1].apply(null)}return Promise.resolve()}if(arguments[0]&&""===arguments[0].candidate){return Promise.resolve()}return r.apply(this,arguments)}}var n={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},i=e.RTCPeerConnection.prototype.getStats;e.RTCPeerConnection.prototype.getStats=function(){var e=Array.prototype.slice.call(arguments),r=e[0],a=e[1],o=e[2];return i.apply(this,[r||null]).then(function(r){if(53>t.version&&!a){try{r.forEach(function(e){e.type=n[e.type]||e.type})}catch(t){if("TypeError"!==t.name){throw t}r.forEach(function(e,t){r.set(t,Object.assign({},e,{type:n[e.type]||e.type}))})}}return r}).then(a,o)}};r.shimSenderGetStats=p;r.shimReceiverGetStats=l;r.shimRemoveStream=m;r.shimRTCDataChannel=function(e){if(e.DataChannel&&!e.RTCDataChannel){e.RTCDataChannel=e.DataChannel}};r.shimAddTransceiver=function(e){if(!("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCPeerConnection)){return}var t=e.RTCPeerConnection.prototype.addTransceiver;if(t){e.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];var e=arguments[1],r=e&&"sendEncodings"in e;if(r){e.sendEncodings.forEach(function(e){if("rid"in e){if(!/^[a-z0-9]{0,16}$/i.test(e.rid)){throw new TypeError("Invalid RID value provided.")}}if("scaleResolutionDownBy"in e){if(!(1<=parseFloat(e.scaleResolutionDownBy))){throw new RangeError("scale_resolution_down_by must be >= 1.0")}}if("maxFramerate"in e){if(!(0<=parseFloat(e.maxFramerate))){throw new RangeError("max_framerate must be >= 0.0")}}})}var a=t.apply(this,arguments);if(r){var n=a.sender,i=n.getParameters();if(!("encodings"in i)){i.encodings=e.sendEncodings;this.setParametersPromises.push(n.setParameters(i).catch(function(){}))}}return a}}};r.shimCreateOffer=function(e){if(!("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCPeerConnection)){return}var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(){var e=this,r=arguments;if(this.setParametersPromises&&this.setParametersPromises.length){return Promise.all(this.setParametersPromises).then(function(){return t.apply(e,r)}).finally(function(){e.setParametersPromises=[]})}return t.apply(this,arguments)}};r.shimCreateAnswer=function(e){if(!("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCPeerConnection)){return}var t=e.RTCPeerConnection.prototype.createAnswer;e.RTCPeerConnection.prototype.createAnswer=function(){var e=this,r=arguments;if(this.setParametersPromises&&this.setParametersPromises.length){return Promise.all(this.setParametersPromises).then(function(){return t.apply(e,r)}).finally(function(){e.setParametersPromises=[]})}return t.apply(this,arguments)}};var o=e("../utils"),s=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(o);function d(e,t,r){if(t in e){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0})}else{e[t]=r}return e}function c(e){if("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)){Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})}}function p(e){if(!("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCPeerConnection&&e.RTCRtpSender)){return}if(e.RTCRtpSender&&"getStats"in e.RTCRtpSender.prototype){return}var t=e.RTCPeerConnection.prototype.getSenders;if(t){e.RTCPeerConnection.prototype.getSenders=function(){var e=this,r=t.apply(this,[]);r.forEach(function(t){return t._pc=e});return r}}var r=e.RTCPeerConnection.prototype.addTrack;if(r){e.RTCPeerConnection.prototype.addTrack=function(){var e=r.apply(this,arguments);e._pc=this;return e}}e.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}}function l(e){if(!("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCPeerConnection&&e.RTCRtpSender)){return}if(e.RTCRtpSender&&"getStats"in e.RTCRtpReceiver.prototype){return}var t=e.RTCPeerConnection.prototype.getReceivers;if(t){e.RTCPeerConnection.prototype.getReceivers=function(){var e=this,r=t.apply(this,[]);r.forEach(function(t){return t._pc=e});return r}}s.wrapPeerConnectionEvent(e,"track",function(t){t.receiver._pc=t.srcElement;return t});e.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}}function m(e){if(!e.RTCPeerConnection||"removeStream"in e.RTCPeerConnection.prototype){return}e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;s.deprecated("removeStream","removeTrack");this.getSenders().forEach(function(r){if(r.track&&e.getTracks().includes(r.track)){t.removeTrack(r)}})}}},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});r.shimGetDisplayMedia=a;function a(e,t){if(e.navigator.mediaDevices&&"getDisplayMedia"in e.navigator.mediaDevices){return}if(!e.navigator.mediaDevices){return}e.navigator.mediaDevices.getDisplayMedia=function(r){if(!(r&&r.video)){var a=new DOMException("getDisplayMedia without video constraints is undefined");a.name="NotFoundError";a.code=8;return Promise.reject(a)}if(!0===r.video){r.video={mediaSource:t}}else{r.video.mediaSource=t}return e.navigator.mediaDevices.getUserMedia(r)}}},{}],13:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var a="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)};r.shimGetUserMedia=o;var n=e("../utils"),i=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(n);function o(e){var t=i.detectBrowser(e),r=e&&e.navigator,n=e&&e.MediaStreamTrack;r.getUserMedia=function(e,t,a){i.deprecated("navigator.getUserMedia","navigator.mediaDevices.getUserMedia");r.mediaDevices.getUserMedia(e).then(t,a)};if(!(55<t.version&&"autoGainControl"in r.mediaDevices.getSupportedConstraints())){var o=function(e,t,r){if(t in e&&!(r in e)){e[r]=e[t];delete e[t]}},s=r.mediaDevices.getUserMedia.bind(r.mediaDevices);r.mediaDevices.getUserMedia=function(e){if("object"===("undefined"==typeof e?"undefined":a(e))&&"object"===a(e.audio)){e=JSON.parse(JSON.stringify(e));o(e.audio,"autoGainControl","mozAutoGainControl");o(e.audio,"noiseSuppression","mozNoiseSuppression")}return s(e)};if(n&&n.prototype.getSettings){var d=n.prototype.getSettings;n.prototype.getSettings=function(){var e=d.apply(this,arguments);o(e,"mozAutoGainControl","autoGainControl");o(e,"mozNoiseSuppression","noiseSuppression");return e}}if(n&&n.prototype.applyConstraints){var p=n.prototype.applyConstraints;n.prototype.applyConstraints=function(e){if("audio"===this.kind&&"object"===("undefined"==typeof e?"undefined":a(e))){e=JSON.parse(JSON.stringify(e));o(e,"autoGainControl","mozAutoGainControl");o(e,"noiseSuppression","mozNoiseSuppression")}return p.apply(this,[e])}}}}},{"../utils":15}],14:[function(e,t,r){"use strict";Object.defineProperty(r,"__esModule",{value:!0});var a="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(e){return _typeof2(e)}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":_typeof2(e)};r.shimLocalStreamsAPI=o;r.shimRemoteStreamsAPI=s;r.shimCallbacksAPI=function(e){if("object"!==("undefined"==typeof e?"undefined":a(e))||!e.RTCPeerConnection){return}var t=e.RTCPeerConnection.prototype,r=t.createOffer,n=t.createAnswer,i=t.setLocalDescription,o=t.setRemoteDescription,s=t.addIceCandidate;t.createOffer=function(e,t){var a=2<=arguments.length?arguments[2]:arguments[0],n=r.apply(this,[a]);if(!t){return n}n.then(e,t);return Promise.resolve()};t.createAnswer=function(e,t){var r=2<=arguments.length?arguments[2]:arguments[0],a=n.apply(this,[r]);if(!t){return a}a.then(e,t);return Promise.resolve()};var d=function(e,t,r){var a=i.apply(this,[e]);if(!r){return a}a.then(t,r);return Promise.resolve()};t.setLocalDescription=d;d=function(e,t,r){var a=o.apply(this,[e]);if(!r){return a}a.then(t,r);return Promise.resolve()};t.setRemoteDescription=d;d=function(e,t,r){var a=s.apply(this,[e]);if(!r){return a}a.then(t,r);return Promise.resolve()};t.addIceCandidate=d};r.shimGetUserMedia=function(e){var t=e&&e.navigator;if(t.mediaDevices&&t.mediaDevices.getUserMedia){var r=t.mediaDevices,a=r.getUserMedia.bind(r);t.mediaDevices.getUserMedia=function(e){return a(d(e))}}if(!t.getUserMedia&&t.mediaDevices&&t.mediaDevices.getUserMedia){t.getUserMedia=function(e,r,a){t.mediaDevices.getUserMedia(e).then(r,a)}.bind(t)}};r.shimConstraints=d;r.shimRTCIceServerUrls=c;r.shimTrackEventTransceiver=p;r.shimCreateOfferLegacy=function(e){var t=e.RTCPeerConnection.prototype.createOffer;e.RTCPeerConnection.prototype.createOffer=function(e){if(e){if("undefined"!=typeof e.offerToReceiveAudio){e.offerToReceiveAudio=!!e.offerToReceiveAudio}var r=this.getTransceivers().find(function(e){return"audio"===e.receiver.track.kind});if(!1===e.offerToReceiveAudio&&r){if("sendrecv"===r.direction){if(r.setDirection){r.setDirection("sendonly")}else{r.direction="sendonly"}}else if("recvonly"===r.direction){if(r.setDirection){r.setDirection("inactive")}else{r.direction="inactive"}}}else if(!0===e.offerToReceiveAudio&&!r){this.addTransceiver("audio")}if("undefined"!=typeof e.offerToReceiveVideo){e.offerToReceiveVideo=!!e.offerToReceiveVideo}var a=this.getTransceivers().find(function(e){return"video"===e.receiver.track.kind});if(!1===e.offerToReceiveVideo&&a){if("sendrecv"===a.direction){if(a.setDirection){a.setDirection("sendonly")}else{a.direction="sendonly"}}else if("recvonly"===a.direction){if(a.setDirection){a.setDirection("inactive")}else{a.direction="inactive"}}}else if(!0===e.offerToReceiveVideo&&!a){this.addTransceiver("video")}}return t.apply(this,arguments)}};var n=e("../utils"),i=function(e){if(e&&e.__esModule){return e}else{var t={};if(null!=e){for(var r in e){if(Object.prototype.hasOwnProperty.call(e,r))t[r]=e[r]}}t.default=e;return t}}(n);function o(e){if("object"!==("undefined"==typeof e?"undefined":a(e))||!e.RTCPeerConnection){return}if(!("getLocalStreams"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.getLocalStreams=function(){if(!this._localStreams){this._localStreams=[]}return this._localStreams}}if(!("addStream"in e.RTCPeerConnection.prototype)){var t=e.RTCPeerConnection.prototype.addTrack;e.RTCPeerConnection.prototype.addStream=function(e){var r=this;if(!this._localStreams){this._localStreams=[]}if(!this._localStreams.includes(e)){this._localStreams.push(e)}e.getAudioTracks().forEach(function(a){return t.call(r,a,e)});e.getVideoTracks().forEach(function(a){return t.call(r,a,e)})};e.RTCPeerConnection.prototype.addTrack=function(){var e=arguments[1];if(e){if(!this._localStreams){this._localStreams=[e]}else if(!this._localStreams.includes(e)){this._localStreams.push(e)}}return t.apply(this,arguments)}}if(!("removeStream"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.removeStream=function(e){var t=this;if(!this._localStreams){this._localStreams=[]}var r=this._localStreams.indexOf(e);if(-1===r){return}this._localStreams.splice(r,1);var a=e.getTracks();this.getSenders().forEach(function(e){if(a.includes(e.track)){t.removeTrack(e)}})}}}function s(e){if("object"!==("undefined"==typeof e?"undefined":a(e))||!e.RTCPeerConnection){return}if(!("getRemoteStreams"in e.RTCPeerConnection.prototype)){e.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]}}if(!("onaddstream"in e.RTCPeerConnection.prototype)){Object.defineProperty(e.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(e){var t=this;if(this._onaddstream){this.removeEventListener("addstream",this._onaddstream);this.removeEventListener("track",this._onaddstreampoly)}this.addEventListener("addstream",this._onaddstream=e);this.addEventListener("track",this._onaddstreampoly=function(r){r.streams.forEach(function(e){if(!t._remoteStreams){t._remoteStreams=[]}if(t._remoteStreams.includes(e)){return}t._remoteStreams.push(e);var r=new Event("addstream");r.stream=e;t.dispatchEvent(r)})})}});var t=e.RTCPeerConnection.prototype.setRemoteDescription;e.RTCPeerConnection.prototype.setRemoteDescription=function(){var e=this;if(!this._onaddstreampoly){this.addEventListener("track",this._onaddstreampoly=function(t){t.streams.forEach(function(t){if(!e._remoteStreams){e._remoteStreams=[]}if(0<=e._remoteStreams.indexOf(t)){return}e._remoteStreams.push(t);var r=new Event("addstream");r.stream=t;e.dispatchEvent(r)})})}return t.apply(e,arguments)}}}function d(e){if(e&&e.video!==void 0){return Object.assign({},e,{video:i.compactObject(e.video)})}return e}function c(e){var t=e.RTCPeerConnection;e.RTCPeerConnection=function(e,r){if(e&&e.iceServers){for(var a=[],n=0,o;n<e.iceServers.length;n++){o=e.iceServers[n];if(!o.hasOwnProperty("urls")&&o.hasOwnProperty("url")){i.deprecated("RTCIceServer.url","RTCIceServer.urls");o=JSON.parse(JSON.stringify(o));o.urls=o.url;delete o.url;a.push(o)}else{a.push(e.iceServers[n])}}e.iceServers=a}return new t(e,r)};e.RTCPeerConnection.prototype=t.prototype;if("generateCertificate"in e.RTCPeerConnection){Object.defineProperty(e.RTCPeerConnection,"generateCertificate",{get:function(){return t.generateCertificate}})}}function p(e){if("object"===("undefined"==typeof e?"undefined":a(e))&&e.RTCTrackEvent&&"receiver"in e.RTCTrackEvent.prototype&&!("transceiver"in e.RTCTrackEvent.prototype)){Object.defineProperty(e.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})}}},{"../utils":15}],15:[function(e,t,r){"use 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this["_on"+t]}if(e){this.addEventListener(t,this["_on"+t]=e)}},enumerable:!0,configurable:!0})};r.disableLog=function(e){if("boolean"!=typeof e){return new Error("Argument type: "+("undefined"==typeof e?"undefined":a(e))+". Please use a boolean.")}i=e;return e?"adapter.js logging disabled":"adapter.js logging enabled"};r.disableWarnings=function(e){if("boolean"!=typeof e){return new Error("Argument type: "+("undefined"==typeof e?"undefined":a(e))+". Please use a boolean.")}o=!e;return"adapter.js deprecation warnings "+(e?"disabled":"enabled")};r.log=d;r.deprecated=c;r.detectBrowser=p;r.compactObject=m;r.walkStats=f;r.filterStats=function(e,t,r){var a=r?"outbound-rtp":"inbound-rtp",n=new Map;if(null===t){return n}var i=[];e.forEach(function(e){if("track"===e.type&&e.trackIdentifier===t.id){i.push(e)}});i.forEach(function(t){e.forEach(function(r){if(r.type===a&&r.trackId===t.id){f(e,r,n)}})});return n};function n(e,t,r){if(t in e){Object.defineProperty(e,t,{value:r,enumerable:!0,configurable:!0,writable:!0})}else{e[t]=r}return e}var i=!0,o=!0;function s(e,t,r){var a=e.match(t);return a&&a.length>=r&&parseInt(a[r],10)}function d(){if("object"===("undefined"==typeof window?"undefined":a(window))){if(i){return}if("undefined"!=typeof console&&"function"==typeof console.log){console.log.apply(console,arguments)}}}function c(e,t){if(!o){return}console.warn(e+" is deprecated, please use "+t+" instead.")}function p(e){var t=e.navigator,r={browser:null,version:null};if("undefined"==typeof e||!e.navigator){r.browser="Not a browser.";return r}if(t.mozGetUserMedia){r.browser="firefox";r.version=s(t.userAgent,/Firefox\/(\d+)\./,1)}else if(t.webkitGetUserMedia||!1===e.isSecureContext&&e.webkitRTCPeerConnection&&!e.RTCIceGatherer){r.browser="chrome";r.version=s(t.userAgent,/Chrom(e|ium)\/(\d+)\./,2)}else if(t.mediaDevices&&t.userAgent.match(/Edge\/(\d+).(\d+)$/)){r.browser="edge";r.version=s(t.userAgent,/Edge\/(\d+).(\d+)$/,2)}else if(e.RTCPeerConnection&&t.userAgent.match(/AppleWebKit\/(\d+)\./)){r.browser="safari";r.version=s(t.userAgent,/AppleWebKit\/(\d+)\./,1);r.supportsUnifiedPlan=e.RTCRtpTransceiver&&"currentDirection"in e.RTCRtpTransceiver.prototype}else{r.browser="Not a supported browser.";return r}return r}function l(e){return"[object Object]"===Object.prototype.toString.call(e)}function m(e){if(!l(e)){return e}return Object.keys(e).reduce(function(t,r){var a=l(e[r]),i=a?m(e[r]):e[r],o=a&&!Object.keys(i).length;if(i===void 0||o){return t}return Object.assign(t,n({},r,i))},{})}function f(e,t,r){if(!t||r.has(t.id)){return}r.set(t.id,t);Object.keys(t).forEach(function(a){if(a.endsWith("Id")){f(e,e.get(t[a]),r)}else if(a.endsWith("Ids")){t[a].forEach(function(t){f(e,e.get(t),r)})}})}},{}],16:[function(e,t){"use strict";var r=e("sdp");function a(e){return{inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[e.type]||e.type}function n(e,t,a,n,i){var o=r.writeRtpDescription(e.kind,t);o+=r.writeIceParameters(e.iceGatherer.getLocalParameters());o+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===a?"actpass":i||"active");o+="a=mid:"+e.mid+"\r\n";if(e.rtpSender&&e.rtpReceiver){o+="a=sendrecv\r\n"}else if(e.rtpSender){o+="a=sendonly\r\n"}else if(e.rtpReceiver){o+="a=recvonly\r\n"}else{o+="a=inactive\r\n"}if(e.rtpSender){var s=e.rtpSender._initialTrackId||e.rtpSender.track.id;e.rtpSender._initialTrackId=s;var d="msid:"+(n?n.id:"-")+" "+s+"\r\n";o+="a="+d;o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+d;if(e.sendEncodingParameters[0].rtx){o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+d;o+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n"}}o+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n";if(e.rtpSender&&e.sendEncodingParameters[0].rtx){o+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"}return o}function o(e,t){var r=!1;e=JSON.parse(JSON.stringify(e));return e.filter(function(e){if(e&&(e.urls||e.url)){var a=e.urls||e.url;if(e.url&&!e.urls){console.warn("RTCIceServer.url is deprecated! Use urls instead.")}var n="string"==typeof a;if(n){a=[a]}a=a.filter(function(e){var a=0===e.indexOf("turn:")&&-1!==e.indexOf("transport=udp")&&-1===e.indexOf("turn:[")&&!r;if(a){r=!0;return!0}return 0===e.indexOf("stun:")&&14393<=t&&-1===e.indexOf("?transport=udp")});delete e.url;e.urls=n?a[0]:a;return!!a.length}})}function s(e,t){var r={codecs:[],headerExtensions:[],fecMechanisms:[]},a=function(e,t){e=parseInt(e,10);for(var r=0;r<t.length;r++){if(t[r].payloadType===e||t[r].preferredPayloadType===e){return t[r]}}},n=function(e,t,r,n){var i=a(e.parameters.apt,r),o=a(t.parameters.apt,n);return i&&o&&i.name.toLowerCase()===o.name.toLowerCase()};e.codecs.forEach(function(a){for(var o=0,s;o<t.codecs.length;o++){s=t.codecs[o];if(a.name.toLowerCase()===s.name.toLowerCase()&&a.clockRate===s.clockRate){if("rtx"===a.name.toLowerCase()&&a.parameters&&s.parameters.apt){if(!n(a,s,e.codecs,t.codecs)){continue}}s=JSON.parse(JSON.stringify(s));s.numChannels=Math.min(a.numChannels,s.numChannels);r.codecs.push(s);s.rtcpFeedback=s.rtcpFeedback.filter(function(e){for(var t=0;t<a.rtcpFeedback.length;t++){if(a.rtcpFeedback[t].type===e.type&&a.rtcpFeedback[t].parameter===e.parameter){return!0}}return!1});break}}});e.headerExtensions.forEach(function(e){for(var a=0,n;a<t.headerExtensions.length;a++){n=t.headerExtensions[a];if(e.uri===n.uri){r.headerExtensions.push(n);break}}});return r}function d(e,t,r){return-1!=={offer:{setLocalDescription:["stable","have-local-offer"],setRemoteDescription:["stable","have-remote-offer"]},answer:{setLocalDescription:["have-remote-offer","have-local-pranswer"],setRemoteDescription:["have-local-offer","have-remote-pranswer"]}}[t][e].indexOf(r)}function c(e,t){var r=e.getRemoteCandidates().find(function(e){return t.foundation===e.foundation&&t.ip===e.ip&&t.port===e.port&&t.priority===e.priority&&t.protocol===e.protocol&&t.type===e.type});if(!r){e.addRemoteCandidate(t)}return!r}function p(t,r){var a=new Error(r);a.name=t;a.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[t];return a}t.exports=function(e,t){function i(t,r){r.addTrack(t);r.dispatchEvent(new e.MediaStreamTrackEvent("addtrack",{track:t}))}function l(t,r){r.removeTrack(t);r.dispatchEvent(new e.MediaStreamTrackEvent("removetrack",{track:t}))}function m(t,r,a,n){var i=new Event("track");i.track=r;i.receiver=a;i.transceiver={receiver:a};i.streams=n;e.setTimeout(function(){t._dispatchEvent("track",i)})}var f=function(a){var n=this,s=document.createDocumentFragment();["addEventListener","removeEventListener","dispatchEvent"].forEach(function(e){n[e]=s[e].bind(s)});this.canTrickleIceCandidates=null;this.needNegotiation=!1;this.localStreams=[];this.remoteStreams=[];this._localDescription=null;this._remoteDescription=null;this.signalingState="stable";this.iceConnectionState="new";this.connectionState="new";this.iceGatheringState="new";a=JSON.parse(JSON.stringify(a||{}));this.usingBundle="max-bundle"===a.bundlePolicy;if("negotiate"===a.rtcpMuxPolicy){throw p("NotSupportedError","rtcpMuxPolicy 'negotiate' is not supported")}else if(!a.rtcpMuxPolicy){a.rtcpMuxPolicy="require"}switch(a.iceTransportPolicy){case"all":case"relay":break;default:a.iceTransportPolicy="all";break;}switch(a.bundlePolicy){case"balanced":case"max-compat":case"max-bundle":break;default:a.bundlePolicy="balanced";break;}a.iceServers=o(a.iceServers||[],t);this._iceGatherers=[];if(a.iceCandidatePoolSize){for(var d=a.iceCandidatePoolSize;0<d;d--){this._iceGatherers.push(new e.RTCIceGatherer({iceServers:a.iceServers,gatherPolicy:a.iceTransportPolicy}))}}else{a.iceCandidatePoolSize=0}this._config=a;this.transceivers=[];this._sdpSessionId=r.generateSessionId();this._sdpSessionVersion=0;this._dtlsRole=void 0;this._isClosed=!1};Object.defineProperty(f.prototype,"localDescription",{configurable:!0,get:function get(){return this._localDescription}});Object.defineProperty(f.prototype,"remoteDescription",{configurable:!0,get:function get(){return this._remoteDescription}});f.prototype.onicecandidate=null;f.prototype.onaddstream=null;f.prototype.ontrack=null;f.prototype.onremovestream=null;f.prototype.onsignalingstatechange=null;f.prototype.oniceconnectionstatechange=null;f.prototype.onconnectionstatechange=null;f.prototype.onicegatheringstatechange=null;f.prototype.onnegotiationneeded=null;f.prototype.ondatachannel=null;f.prototype._dispatchEvent=function(e,t){if(this._isClosed){return}this.dispatchEvent(t);if("function"==typeof this["on"+e]){this["on"+e](t)}};f.prototype._emitGatheringStateChange=function(){var e=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",e)};f.prototype.getConfiguration=function(){return this._config};f.prototype.getLocalStreams=function(){return this.localStreams};f.prototype.getRemoteStreams=function(){return this.remoteStreams};f.prototype._createTransceiver=function(e,t){var r=0<this.transceivers.length,a={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:e,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&r){a.iceTransport=this.transceivers[0].iceTransport;a.dtlsTransport=this.transceivers[0].dtlsTransport}else{var n=this._createIceAndDtlsTransports();a.iceTransport=n.iceTransport;a.dtlsTransport=n.dtlsTransport}if(!t){this.transceivers.push(a)}return a};f.prototype.addTrack=function(t,r){if(this._isClosed){throw p("InvalidStateError","Attempted to call addTrack on a closed peerconnection.")}var a=this.transceivers.find(function(e){return e.track===t});if(a){throw p("InvalidAccessError","Track already exists.")}for(var n,o=0;o<this.transceivers.length;o++){if(!this.transceivers[o].track&&this.transceivers[o].kind===t.kind){n=this.transceivers[o]}}if(!n){n=this._createTransceiver(t.kind)}this._maybeFireNegotiationNeeded();if(-1===this.localStreams.indexOf(r)){this.localStreams.push(r)}n.track=t;n.stream=r;n.rtpSender=new e.RTCRtpSender(t,n.dtlsTransport);return n.rtpSender};f.prototype.addStream=function(e){var r=this;if(15025<=t){e.getTracks().forEach(function(t){r.addTrack(t,e)})}else{var a=e.clone();e.getTracks().forEach(function(e,t){var r=a.getTracks()[t];e.addEventListener("enabled",function(e){r.enabled=e.enabled})});a.getTracks().forEach(function(e){r.addTrack(e,a)})}};f.prototype.removeTrack=function(r){if(this._isClosed){throw p("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.")}if(!(r instanceof e.RTCRtpSender)){throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.")}var a=this.transceivers.find(function(e){return e.rtpSender===r});if(!a){throw p("InvalidAccessError","Sender was not created by this connection.")}var n=a.stream;a.rtpSender.stop();a.rtpSender=null;a.track=null;a.stream=null;var i=this.transceivers.map(function(e){return e.stream});if(-1===i.indexOf(n)&&-1<this.localStreams.indexOf(n)){this.localStreams.splice(this.localStreams.indexOf(n),1)}this._maybeFireNegotiationNeeded()};f.prototype.removeStream=function(e){var t=this;e.getTracks().forEach(function(e){var r=t.getSenders().find(function(t){return t.track===e});if(r){t.removeTrack(r)}})};f.prototype.getSenders=function(){return this.transceivers.filter(function(e){return!!e.rtpSender}).map(function(e){return e.rtpSender})};f.prototype.getReceivers=function(){return this.transceivers.filter(function(e){return!!e.rtpReceiver}).map(function(e){return e.rtpReceiver})};f.prototype._createIceGatherer=function(t,r){var a=this;if(r&&0<t){return this.transceivers[0].iceGatherer}else if(this._iceGatherers.length){return this._iceGatherers.shift()}var n=new e.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});Object.defineProperty(n,"state",{value:"new",writable:!0});this.transceivers[t].bufferedCandidateEvents=[];this.transceivers[t].bufferCandidates=function(e){var r=!e.candidate||0===Object.keys(e.candidate).length;n.state=r?"completed":"gathering";if(null!==a.transceivers[t].bufferedCandidateEvents){a.transceivers[t].bufferedCandidateEvents.push(e)}};n.addEventListener("localcandidate",this.transceivers[t].bufferCandidates);return n};f.prototype._gather=function(t,a){var n=this,i=this.transceivers[a].iceGatherer;if(i.onlocalcandidate){return}var o=this.transceivers[a].bufferedCandidateEvents;this.transceivers[a].bufferedCandidateEvents=null;i.removeEventListener("localcandidate",this.transceivers[a].bufferCandidates);i.onlocalcandidate=function(e){if(n.usingBundle&&0<a){return}var o=new Event("icecandidate");o.candidate={sdpMid:t,sdpMLineIndex:a};var s=e.candidate,d=!s||0===Object.keys(s).length;if(d){if("new"===i.state||"gathering"===i.state){i.state="completed"}}else{if("new"===i.state){i.state="gathering"}s.component=1;s.ufrag=i.getLocalParameters().usernameFragment;var c=r.writeCandidate(s);o.candidate=Object.assign(o.candidate,r.parseCandidate(c));o.candidate.candidate=c;o.candidate.toJSON=function(){return{candidate:o.candidate.candidate,sdpMid:o.candidate.sdpMid,sdpMLineIndex:o.candidate.sdpMLineIndex,usernameFragment:o.candidate.usernameFragment}}}var p=r.getMediaSections(n._localDescription.sdp);if(!d){p[o.candidate.sdpMLineIndex]+="a="+o.candidate.candidate+"\r\n"}else{p[o.candidate.sdpMLineIndex]+="a=end-of-candidates\r\n"}n._localDescription.sdp=r.getDescription(n._localDescription.sdp)+p.join("");var l=n.transceivers.every(function(e){return e.iceGatherer&&"completed"===e.iceGatherer.state});if("gathering"!==n.iceGatheringState){n.iceGatheringState="gathering";n._emitGatheringStateChange()}if(!d){n._dispatchEvent("icecandidate",o)}if(l){n._dispatchEvent("icecandidate",new Event("icecandidate"));n.iceGatheringState="complete";n._emitGatheringStateChange()}};e.setTimeout(function(){o.forEach(function(t){i.onlocalcandidate(t)})},0)};f.prototype._createIceAndDtlsTransports=function(){var t=this,r=new e.RTCIceTransport(null);r.onicestatechange=function(){t._updateIceConnectionState();t._updateConnectionState()};var a=new e.RTCDtlsTransport(r);a.ondtlsstatechange=function(){t._updateConnectionState()};a.onerror=function(){Object.defineProperty(a,"state",{value:"failed",writable:!0});t._updateConnectionState()};return{iceTransport:r,dtlsTransport:a}};f.prototype._disposeIceAndDtlsTransports=function(e){var t=this.transceivers[e].iceGatherer;if(t){delete t.onlocalcandidate;delete this.transceivers[e].iceGatherer}var r=this.transceivers[e].iceTransport;if(r){delete r.onicestatechange;delete this.transceivers[e].iceTransport}var a=this.transceivers[e].dtlsTransport;if(a){delete a.ondtlsstatechange;delete a.onerror;delete this.transceivers[e].dtlsTransport}};f.prototype._transceive=function(e,a,n){var i=s(e.localCapabilities,e.remoteCapabilities);if(a&&e.rtpSender){i.encodings=e.sendEncodingParameters;i.rtcp={cname:r.localCName,compound:e.rtcpParameters.compound};if(e.recvEncodingParameters.length){i.rtcp.ssrc=e.recvEncodingParameters[0].ssrc}e.rtpSender.send(i)}if(n&&e.rtpReceiver&&0<i.codecs.length){if("video"===e.kind&&e.recvEncodingParameters&&15019>t){e.recvEncodingParameters.forEach(function(e){delete e.rtx})}if(e.recvEncodingParameters.length){i.encodings=e.recvEncodingParameters}else{i.encodings=[{}]}i.rtcp={compound:e.rtcpParameters.compound};if(e.rtcpParameters.cname){i.rtcp.cname=e.rtcpParameters.cname}if(e.sendEncodingParameters.length){i.rtcp.ssrc=e.sendEncodingParameters[0].ssrc}e.rtpReceiver.receive(i)}};f.prototype.setLocalDescription=function(e){var t=this;if(-1===["offer","answer"].indexOf(e.type)){return Promise.reject(p("TypeError","Unsupported type \""+e.type+"\""))}if(!d("setLocalDescription",e.type,t.signalingState)||t._isClosed){return Promise.reject(p("InvalidStateError","Can not set local "+e.type+" in state "+t.signalingState))}var a,n;if("offer"===e.type){a=r.splitSections(e.sdp);n=a.shift();a.forEach(function(e,a){var n=r.parseRtpParameters(e);t.transceivers[a].localCapabilities=n});t.transceivers.forEach(function(e,r){t._gather(e.mid,r)})}else if("answer"===e.type){a=r.splitSections(t._remoteDescription.sdp);n=a.shift();var i=0<r.matchPrefix(n,"a=ice-lite").length;a.forEach(function(e,a){var o=t.transceivers[a],d=o.iceGatherer,c=o.iceTransport,p=o.dtlsTransport,l=o.localCapabilities,m=o.remoteCapabilities,f=r.isRejected(e)&&0===r.matchPrefix(e,"a=bundle-only").length;if(!f&&!o.rejected){var h=r.getIceParameters(e,n),g=r.getDtlsParameters(e,n);if(i){g.role="server"}if(!t.usingBundle||0===a){t._gather(o.mid,a);if("new"===c.state){c.start(d,h,i?"controlling":"controlled")}if("new"===p.state){p.start(g)}}var u=s(l,m);t._transceive(o,0<u.codecs.length,!1)}})}t._localDescription={type:e.type,sdp:e.sdp};if("offer"===e.type){t._updateSignalingState("have-local-offer")}else{t._updateSignalingState("stable")}return Promise.resolve()};f.prototype.setRemoteDescription=function(a){var n=this;if(-1===["offer","answer"].indexOf(a.type)){return Promise.reject(p("TypeError","Unsupported type \""+a.type+"\""))}if(!d("setRemoteDescription",a.type,n.signalingState)||n._isClosed){return Promise.reject(p("InvalidStateError","Can not set remote "+a.type+" in state "+n.signalingState))}var o={};n.remoteStreams.forEach(function(e){o[e.id]=e});var f=[],h=r.splitSections(a.sdp),g=h.shift(),u=0<r.matchPrefix(g,"a=ice-lite").length,y=0<r.matchPrefix(g,"a=group:BUNDLE ").length;n.usingBundle=y;var v=r.matchPrefix(g,"a=ice-options:")[0];if(v){n.canTrickleIceCandidates=0<=v.substr(14).split(" ").indexOf("trickle")}else{n.canTrickleIceCandidates=!1}h.forEach(function(d,p){var m=r.splitLines(d),h=r.getKind(d),v=r.isRejected(d)&&0===r.matchPrefix(d,"a=bundle-only").length,C=m[0].substr(2).split(" ")[2],T=r.getDirection(d,g),S=r.parseMsid(d),R=r.getMid(d)||r.generateIdentifier();if(v||"application"===h&&("DTLS/SCTP"===C||"UDP/DTLS/SCTP"===C)){n.transceivers[p]={mid:R,kind:h,protocol:C,rejected:!0};return}if(!v&&n.transceivers[p]&&n.transceivers[p].rejected){n.transceivers[p]=n._createTransceiver(h,!0)}var P,_,E,k,b,x,M,D,I,w=r.parseRtpParameters(d),L,G;if(!v){L=r.getIceParameters(d,g);G=r.getDtlsParameters(d,g);G.role="client"}M=r.parseRtpEncodingParameters(d);var j=r.parseRtcpParameters(d),O=0<r.matchPrefix(d,"a=end-of-candidates",g).length,A=r.matchPrefix(d,"a=candidate:").map(function(e){return r.parseCandidate(e)}).filter(function(e){return 1===e.component});if(("offer"===a.type||"answer"===a.type)&&!v&&y&&0<p&&n.transceivers[p]){n._disposeIceAndDtlsTransports(p);n.transceivers[p].iceGatherer=n.transceivers[0].iceGatherer;n.transceivers[p].iceTransport=n.transceivers[0].iceTransport;n.transceivers[p].dtlsTransport=n.transceivers[0].dtlsTransport;if(n.transceivers[p].rtpSender){n.transceivers[p].rtpSender.setTransport(n.transceivers[0].dtlsTransport)}if(n.transceivers[p].rtpReceiver){n.transceivers[p].rtpReceiver.setTransport(n.transceivers[0].dtlsTransport)}}if("offer"===a.type&&!v){P=n.transceivers[p]||n._createTransceiver(h);P.mid=R;if(!P.iceGatherer){P.iceGatherer=n._createIceGatherer(p,y)}if(A.length&&"new"===P.iceTransport.state){if(O&&(!y||0===p)){P.iceTransport.setRemoteCandidates(A)}else{A.forEach(function(e){c(P.iceTransport,e)})}}D=e.RTCRtpReceiver.getCapabilities(h);if(15019>t){D.codecs=D.codecs.filter(function(e){return"rtx"!==e.name})}x=P.sendEncodingParameters||[{ssrc:1001*(2*p+2)}];var U=!1;if("sendrecv"===T||"sendonly"===T){U=!P.rtpReceiver;b=P.rtpReceiver||new e.RTCRtpReceiver(P.dtlsTransport,h);if(U){var F;I=b.track;if(S&&"-"===S.stream){}else if(S){if(!o[S.stream]){o[S.stream]=new e.MediaStream;Object.defineProperty(o[S.stream],"id",{get:function get(){return S.stream}})}Object.defineProperty(I,"id",{get:function get(){return S.track}});F=o[S.stream]}else{if(!o.default){o.default=new e.MediaStream}F=o.default}if(F){i(I,F);P.associatedRemoteMediaStreams.push(F)}f.push([I,b,F])}}else if(P.rtpReceiver&&P.rtpReceiver.track){P.associatedRemoteMediaStreams.forEach(function(e){var t=e.getTracks().find(function(e){return e.id===P.rtpReceiver.track.id});if(t){l(t,e)}});P.associatedRemoteMediaStreams=[]}P.localCapabilities=D;P.remoteCapabilities=w;P.rtpReceiver=b;P.rtcpParameters=j;P.sendEncodingParameters=x;P.recvEncodingParameters=M;n._transceive(n.transceivers[p],!1,U)}else if("answer"===a.type&&!v){P=n.transceivers[p];_=P.iceGatherer;E=P.iceTransport;k=P.dtlsTransport;b=P.rtpReceiver;x=P.sendEncodingParameters;D=P.localCapabilities;n.transceivers[p].recvEncodingParameters=M;n.transceivers[p].remoteCapabilities=w;n.transceivers[p].rtcpParameters=j;if(A.length&&"new"===E.state){if((u||O)&&(!y||0===p)){E.setRemoteCandidates(A)}else{A.forEach(function(e){c(P.iceTransport,e)})}}if(!y||0===p){if("new"===E.state){E.start(_,L,"controlling")}if("new"===k.state){k.start(G)}}var N=s(P.localCapabilities,P.remoteCapabilities),z=N.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length;if(!z&&P.sendEncodingParameters[0].rtx){delete P.sendEncodingParameters[0].rtx}n._transceive(P,"sendrecv"===T||"recvonly"===T,"sendrecv"===T||"sendonly"===T);if(b&&("sendrecv"===T||"sendonly"===T)){I=b.track;if(S){if(!o[S.stream]){o[S.stream]=new e.MediaStream}i(I,o[S.stream]);f.push([I,b,o[S.stream]])}else{if(!o.default){o.default=new e.MediaStream}i(I,o.default);f.push([I,b,o.default])}}else{delete P.rtpReceiver}}});if(n._dtlsRole===void 0){n._dtlsRole="offer"===a.type?"active":"passive"}n._remoteDescription={type:a.type,sdp:a.sdp};if("offer"===a.type){n._updateSignalingState("have-remote-offer")}else{n._updateSignalingState("stable")}Object.keys(o).forEach(function(t){var r=o[t];if(r.getTracks().length){if(-1===n.remoteStreams.indexOf(r)){n.remoteStreams.push(r);var a=new Event("addstream");a.stream=r;e.setTimeout(function(){n._dispatchEvent("addstream",a)})}f.forEach(function(e){var t=e[0],a=e[1];if(r.id!==e[2].id){return}m(n,t,a,[r])})}});f.forEach(function(e){if(e[2]){return}m(n,e[0],e[1],[])});e.setTimeout(function(){if(!(n&&n.transceivers)){return}n.transceivers.forEach(function(e){if(e.iceTransport&&"new"===e.iceTransport.state&&0<e.iceTransport.getRemoteCandidates().length){console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification");e.iceTransport.addRemoteCandidate({})}})},4e3);return Promise.resolve()};f.prototype.close=function(){this.transceivers.forEach(function(e){if(e.iceTransport){e.iceTransport.stop()}if(e.dtlsTransport){e.dtlsTransport.stop()}if(e.rtpSender){e.rtpSender.stop()}if(e.rtpReceiver){e.rtpReceiver.stop()}});this._isClosed=!0;this._updateSignalingState("closed")};f.prototype._updateSignalingState=function(e){this.signalingState=e;var t=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",t)};f.prototype._maybeFireNegotiationNeeded=function(){var t=this;if("stable"!==this.signalingState||!0===this.needNegotiation){return}this.needNegotiation=!0;e.setTimeout(function(){if(t.needNegotiation){t.needNegotiation=!1;var e=new Event("negotiationneeded");t._dispatchEvent("negotiationneeded",e)}},0)};f.prototype._updateIceConnectionState=function(){var e,t={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(e){if(e.iceTransport&&!e.rejected){t[e.iceTransport.state]++}});e="new";if(0<t.failed){e="failed"}else if(0<t.checking){e="checking"}else if(0<t.disconnected){e="disconnected"}else if(0<t.new){e="new"}else if(0<t.connected){e="connected"}else if(0<t.completed){e="completed"}if(e!==this.iceConnectionState){this.iceConnectionState=e;var r=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",r)}};f.prototype._updateConnectionState=function(){var e,t={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};this.transceivers.forEach(function(e){if(e.iceTransport&&e.dtlsTransport&&!e.rejected){t[e.iceTransport.state]++;t[e.dtlsTransport.state]++}});t.connected+=t.completed;e="new";if(0<t.failed){e="failed"}else if(0<t.connecting){e="connecting"}else if(0<t.disconnected){e="disconnected"}else if(0<t.new){e="new"}else if(0<t.connected){e="connected"}if(e!==this.connectionState){this.connectionState=e;var r=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",r)}};f.prototype.createOffer=function(){var a=this;if(a._isClosed){return Promise.reject(p("InvalidStateError","Can not call createOffer after close"))}var i=a.transceivers.filter(function(e){return"audio"===e.kind}).length,o=a.transceivers.filter(function(e){return"video"===e.kind}).length,s=arguments[0];if(s){if(s.mandatory||s.optional){throw new TypeError("Legacy mandatory/optional constraints not supported.")}if(s.offerToReceiveAudio!==void 0){if(!0===s.offerToReceiveAudio){i=1}else if(!1===s.offerToReceiveAudio){i=0}else{i=s.offerToReceiveAudio}}if(s.offerToReceiveVideo!==void 0){if(!0===s.offerToReceiveVideo){o=1}else if(!1===s.offerToReceiveVideo){o=0}else{o=s.offerToReceiveVideo}}}a.transceivers.forEach(function(e){if("audio"===e.kind){i--;if(0>i){e.wantReceive=!1}}else if("video"===e.kind){o--;if(0>o){e.wantReceive=!1}}});while(0<i||0<o){if(0<i){a._createTransceiver("audio");i--}if(0<o){a._createTransceiver("video");o--}}var d=r.writeSessionBoilerplate(a._sdpSessionId,a._sdpSessionVersion++);a.transceivers.forEach(function(n,i){var o=n.track,s=n.kind,d=n.mid||r.generateIdentifier();n.mid=d;if(!n.iceGatherer){n.iceGatherer=a._createIceGatherer(i,a.usingBundle)}var c=e.RTCRtpSender.getCapabilities(s);if(15019>t){c.codecs=c.codecs.filter(function(e){return"rtx"!==e.name})}c.codecs.forEach(function(e){if("H264"===e.name&&e.parameters["level-asymmetry-allowed"]===void 0){e.parameters["level-asymmetry-allowed"]="1"}if(n.remoteCapabilities&&n.remoteCapabilities.codecs){n.remoteCapabilities.codecs.forEach(function(t){if(e.name.toLowerCase()===t.name.toLowerCase()&&e.clockRate===t.clockRate){e.preferredPayloadType=t.payloadType}})}});c.headerExtensions.forEach(function(e){var t=n.remoteCapabilities&&n.remoteCapabilities.headerExtensions||[];t.forEach(function(t){if(e.uri===t.uri){e.id=t.id}})});var p=n.sendEncodingParameters||[{ssrc:1001*(2*i+1)}];if(o){if(15019<=t&&"video"===s&&!p[0].rtx){p[0].rtx={ssrc:p[0].ssrc+1}}}if(n.wantReceive){n.rtpReceiver=new e.RTCRtpReceiver(n.dtlsTransport,s)}n.localCapabilities=c;n.sendEncodingParameters=p});if("max-compat"!==a._config.bundlePolicy){d+="a=group:BUNDLE "+a.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"}d+="a=ice-options:trickle\r\n";a.transceivers.forEach(function(e,t){d+=n(e,e.localCapabilities,"offer",e.stream,a._dtlsRole);d+="a=rtcp-rsize\r\n";if(e.iceGatherer&&"new"!==a.iceGatheringState&&(0===t||!a.usingBundle)){e.iceGatherer.getLocalCandidates().forEach(function(e){e.component=1;d+="a="+r.writeCandidate(e)+"\r\n"});if("completed"===e.iceGatherer.state){d+="a=end-of-candidates\r\n"}}});var c=new e.RTCSessionDescription({type:"offer",sdp:d});return Promise.resolve(c)};f.prototype.createAnswer=function(){var a=this;if(a._isClosed){return Promise.reject(p("InvalidStateError","Can not call createAnswer after close"))}if(!("have-remote-offer"===a.signalingState||"have-local-pranswer"===a.signalingState)){return Promise.reject(p("InvalidStateError","Can not call createAnswer in signalingState "+a.signalingState))}var i=r.writeSessionBoilerplate(a._sdpSessionId,a._sdpSessionVersion++);if(a.usingBundle){i+="a=group:BUNDLE "+a.transceivers.map(function(e){return e.mid}).join(" ")+"\r\n"}i+="a=ice-options:trickle\r\n";var o=r.getMediaSections(a._remoteDescription.sdp).length;a.transceivers.forEach(function(e,r){if(r+1>o){return}if(e.rejected){if("application"===e.kind){if("DTLS/SCTP"===e.protocol){i+="m=application 0 DTLS/SCTP 5000\r\n"}else{i+="m=application 0 "+e.protocol+" webrtc-datachannel\r\n"}}else if("audio"===e.kind){i+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n"}else if("video"===e.kind){i+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"}i+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+e.mid+"\r\n";return}if(e.stream){var d;if("audio"===e.kind){d=e.stream.getAudioTracks()[0]}else if("video"===e.kind){d=e.stream.getVideoTracks()[0]}if(d){if(15019<=t&&"video"===e.kind&&!e.sendEncodingParameters[0].rtx){e.sendEncodingParameters[0].rtx={ssrc:e.sendEncodingParameters[0].ssrc+1}}}}var c=s(e.localCapabilities,e.remoteCapabilities),p=c.codecs.filter(function(e){return"rtx"===e.name.toLowerCase()}).length;if(!p&&e.sendEncodingParameters[0].rtx){delete e.sendEncodingParameters[0].rtx}i+=n(e,c,"answer",e.stream,a._dtlsRole);if(e.rtcpParameters&&e.rtcpParameters.reducedSize){i+="a=rtcp-rsize\r\n"}});var d=new e.RTCSessionDescription({type:"answer",sdp:i});return Promise.resolve(d)};f.prototype.addIceCandidate=function(e){var t=this,a;if(e&&!(e.sdpMLineIndex!==void 0||e.sdpMid)){return Promise.reject(new TypeError("sdpMLineIndex or sdpMid required"))}return new Promise(function(n,o){if(!t._remoteDescription){return o(p("InvalidStateError","Can not add ICE candidate without a remote description"))}else if(!e||""===e.candidate){for(var s=0;s<t.transceivers.length;s++){if(t.transceivers[s].rejected){continue}t.transceivers[s].iceTransport.addRemoteCandidate({});a=r.getMediaSections(t._remoteDescription.sdp);a[s]+="a=end-of-candidates\r\n";t._remoteDescription.sdp=r.getDescription(t._remoteDescription.sdp)+a.join("");if(t.usingBundle){break}}}else{var d=e.sdpMLineIndex;if(e.sdpMid){for(var l=0;l<t.transceivers.length;l++){if(t.transceivers[l].mid===e.sdpMid){d=l;break}}}var m=t.transceivers[d];if(m){if(m.rejected){return n()}var f=0<Object.keys(e.candidate).length?r.parseCandidate(e.candidate):{};if("tcp"===f.protocol&&(0===f.port||9===f.port)){return n()}if(f.component&&1!==f.component){return n()}if(0===d||0<d&&m.iceTransport!==t.transceivers[0].iceTransport){if(!c(m.iceTransport,f)){return o(p("OperationError","Can not add ICE candidate"))}}var h=e.candidate.trim();if(0===h.indexOf("a=")){h=h.substr(2)}a=r.getMediaSections(t._remoteDescription.sdp);a[d]+="a="+(f.type?h:"end-of-candidates")+"\r\n";t._remoteDescription.sdp=r.getDescription(t._remoteDescription.sdp)+a.join("")}else{return o(p("OperationError","Can not add ICE candidate"))}}n()})};f.prototype.getStats=function(t){if(t&&t instanceof e.MediaStreamTrack){var r=null;this.transceivers.forEach(function(e){if(e.rtpSender&&e.rtpSender.track===t){r=e.rtpSender}else if(e.rtpReceiver&&e.rtpReceiver.track===t){r=e.rtpReceiver}});if(!r){throw p("InvalidAccessError","Invalid selector.")}return r.getStats()}var a=[];this.transceivers.forEach(function(e){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach(function(t){if(e[t]){a.push(e[t].getStats())}})});return Promise.all(a).then(function(e){var t=new Map;e.forEach(function(e){e.forEach(function(e){t.set(e.id,e)})});return t})};["RTCRtpSender","RTCRtpReceiver","RTCIceGatherer","RTCIceTransport","RTCDtlsTransport"].forEach(function(t){var r=e[t];if(r&&r.prototype&&r.prototype.getStats){var n=r.prototype.getStats;r.prototype.getStats=function(){return n.apply(this).then(function(e){var t=new Map;Object.keys(e).forEach(function(r){e[r].type=a(e[r]);t.set(r,e[r])});return t})}}});var h=["createOffer","createAnswer"];h.forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[0]||"function"==typeof e[1]){return t.apply(this,[arguments[2]]).then(function(t){if("function"==typeof e[0]){e[0].apply(null,[t])}},function(t){if("function"==typeof e[1]){e[1].apply(null,[t])}})}return t.apply(this,arguments)}});h=["setLocalDescription","setRemoteDescription","addIceCandidate"];h.forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[1]||"function"==typeof e[2]){return t.apply(this,arguments).then(function(){if("function"==typeof e[1]){e[1].apply(null)}},function(t){if("function"==typeof e[2]){e[2].apply(null,[t])}})}return t.apply(this,arguments)}});["getStats"].forEach(function(e){var t=f.prototype[e];f.prototype[e]=function(){var e=arguments;if("function"==typeof e[1]){return t.apply(this,arguments).then(function(){if("function"==typeof e[1]){e[1].apply(null)}})}return t.apply(this,arguments)}});return f}},{sdp:17}],17:[function(e,t){"use strict";var r={generateIdentifier:function(){return Math.random().toString(36).substr(2,10)}};r.localCName=r.generateIdentifier();r.splitLines=function(e){return e.trim().split("\n").map(function(e){return e.trim()})};r.splitSections=function(e){var t=e.split("\nm=");return t.map(function(e,t){return(0<t?"m="+e:e).trim()+"\r\n"})};r.getDescription=function(e){var t=r.splitSections(e);return t&&t[0]};r.getMediaSections=function(e){var t=r.splitSections(e);t.shift();return t};r.matchPrefix=function(e,t){return r.splitLines(e).filter(function(e){return 0===e.indexOf(t)})};r.parseCandidate=function(e){var t;if(0===e.indexOf("a=candidate:")){t=e.substring(12).split(" ")}else{t=e.substring(10).split(" ")}for(var r={foundation:t[0],component:parseInt(t[1],10),protocol:t[2].toLowerCase(),priority:parseInt(t[3],10),ip:t[4],address:t[4],port:parseInt(t[5],10),type:t[7]},a=8;a<t.length;a+=2){switch(t[a]){case"raddr":r.relatedAddress=t[a+1];break;case"rport":r.relatedPort=parseInt(t[a+1],10);break;case"tcptype":r.tcpType=t[a+1];break;case"ufrag":r.ufrag=t[a+1];r.usernameFragment=t[a+1];break;default:r[t[a]]=t[a+1];break;}}return r};r.writeCandidate=function(e){var t=[e.foundation,e.component,e.protocol.toUpperCase(),e.priority,e.address||e.ip,e.port],r=e.type;t.push("typ");t.push(r);if("host"!==r&&e.relatedAddress&&e.relatedPort){t.push("raddr");t.push(e.relatedAddress);t.push("rport");t.push(e.relatedPort)}if(e.tcpType&&"tcp"===e.protocol.toLowerCase()){t.push("tcptype");t.push(e.tcpType)}if(e.usernameFragment||e.ufrag){t.push("ufrag");t.push(e.usernameFragment||e.ufrag)}return"candidate:"+t.join(" ")};r.parseIceOptions=function(e){return e.substr(14).split(" ")};r.parseRtpMap=function(e){var t=e.substr(9).split(" "),r={payloadType:parseInt(t.shift(),10)};t=t[0].split("/");r.name=t[0];r.clockRate=parseInt(t[1],10);r.channels=3===t.length?parseInt(t[2],10):1;r.numChannels=r.channels;return r};r.writeRtpMap=function(e){var t=e.payloadType;if(e.preferredPayloadType!==void 0){t=e.preferredPayloadType}var r=e.channels||e.numChannels||1;return"a=rtpmap:"+t+" "+e.name+"/"+e.clockRate+(1!==r?"/"+r:"")+"\r\n"};r.parseExtmap=function(e){var t=e.substr(9).split(" ");return{id:parseInt(t[0],10),direction:0<t[0].indexOf("/")?t[0].split("/")[1]:"sendrecv",uri:t[1]}};r.writeExtmap=function(e){return"a=extmap:"+(e.id||e.preferredId)+(e.direction&&"sendrecv"!==e.direction?"/"+e.direction:"")+" "+e.uri+"\r\n"};r.parseFmtp=function(e){for(var t={},r,a=e.substr(e.indexOf(" ")+1).split(";"),n=0;n<a.length;n++){r=a[n].trim().split("=");t[r[0].trim()]=r[1]}return t};r.writeFmtp=function(e){var t="",r=e.payloadType;if(e.preferredPayloadType!==void 0){r=e.preferredPayloadType}if(e.parameters&&Object.keys(e.parameters).length){var a=[];Object.keys(e.parameters).forEach(function(t){if(e.parameters[t]){a.push(t+"="+e.parameters[t])}else{a.push(t)}});t+="a=fmtp:"+r+" "+a.join(";")+"\r\n"}return t};r.parseRtcpFb=function(e){var t=e.substr(e.indexOf(" ")+1).split(" ");return{type:t.shift(),parameter:t.join(" ")}};r.writeRtcpFb=function(e){var t="",r=e.payloadType;if(e.preferredPayloadType!==void 0){r=e.preferredPayloadType}if(e.rtcpFeedback&&e.rtcpFeedback.length){e.rtcpFeedback.forEach(function(e){t+="a=rtcp-fb:"+r+" "+e.type+(e.parameter&&e.parameter.length?" "+e.parameter:"")+"\r\n"})}return t};r.parseSsrcMedia=function(e){var t=e.indexOf(" "),r={ssrc:parseInt(e.substr(7,t-7),10)},a=e.indexOf(":",t);if(-1<a){r.attribute=e.substr(t+1,a-t-1);r.value=e.substr(a+1)}else{r.attribute=e.substr(t+1)}return r};r.parseSsrcGroup=function(e){var t=e.substr(13).split(" ");return{semantics:t.shift(),ssrcs:t.map(function(e){return parseInt(e,10)})}};r.getMid=function(e){var t=r.matchPrefix(e,"a=mid:")[0];if(t){return t.substr(6)}};r.parseFingerprint=function(e){var t=e.substr(14).split(" ");return{algorithm:t[0].toLowerCase(),value:t[1]}};r.getDtlsParameters=function(e,t){var a=r.matchPrefix(e+t,"a=fingerprint:");return{role:"auto",fingerprints:a.map(r.parseFingerprint)}};r.writeDtlsParameters=function(e,t){var r="a=setup:"+t+"\r\n";e.fingerprints.forEach(function(e){r+="a=fingerprint:"+e.algorithm+" "+e.value+"\r\n"});return r};r.getIceParameters=function(e,t){var a=r.splitLines(e);a=a.concat(r.splitLines(t));var n={usernameFragment:a.filter(function(e){return 0===e.indexOf("a=ice-ufrag:")})[0].substr(12),password:a.filter(function(e){return 0===e.indexOf("a=ice-pwd:")})[0].substr(10)};return n};r.writeIceParameters=function(e){return"a=ice-ufrag:"+e.usernameFragment+"\r\na=ice-pwd:"+e.password+"\r\n"};r.parseRtpParameters=function(e){for(var t={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},a=r.splitLines(e),n=a[0].split(" "),o=3;o<n.length;o++){var s=n[o],d=r.matchPrefix(e,"a=rtpmap:"+s+" ")[0];if(d){var c=r.parseRtpMap(d),p=r.matchPrefix(e,"a=fmtp:"+s+" ");c.parameters=p.length?r.parseFmtp(p[0]):{};c.rtcpFeedback=r.matchPrefix(e,"a=rtcp-fb:"+s+" ").map(r.parseRtcpFb);t.codecs.push(c);switch(c.name.toUpperCase()){case"RED":case"ULPFEC":t.fecMechanisms.push(c.name.toUpperCase());break;default:break;}}}r.matchPrefix(e,"a=extmap:").forEach(function(e){t.headerExtensions.push(r.parseExtmap(e))});return t};r.writeRtpDescription=function(e,t){var a="";a+="m="+e+" ";a+=0<t.codecs.length?"9":"0";a+=" UDP/TLS/RTP/SAVPF ";a+=t.codecs.map(function(e){if(e.preferredPayloadType!==void 0){return e.preferredPayloadType}return e.payloadType}).join(" ")+"\r\n";a+="c=IN IP4 0.0.0.0\r\n";a+="a=rtcp:9 IN IP4 0.0.0.0\r\n";t.codecs.forEach(function(e){a+=r.writeRtpMap(e);a+=r.writeFmtp(e);a+=r.writeRtcpFb(e)});var n=0;t.codecs.forEach(function(e){if(e.maxptime>n){n=e.maxptime}});if(0<n){a+="a=maxptime:"+n+"\r\n"}a+="a=rtcp-mux\r\n";if(t.headerExtensions){t.headerExtensions.forEach(function(e){a+=r.writeExtmap(e)})}return a};r.parseRtpEncodingParameters=function(e){var t=[],a=r.parseRtpParameters(e),n=-1!==a.fecMechanisms.indexOf("RED"),i=-1!==a.fecMechanisms.indexOf("ULPFEC"),o=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute}),s=0<o.length&&o[0].ssrc,d,c=r.matchPrefix(e,"a=ssrc-group:FID").map(function(e){var t=e.substr(17).split(" ");return t.map(function(e){return parseInt(e,10)})});if(0<c.length&&1<c[0].length&&c[0][0]===s){d=c[0][1]}a.codecs.forEach(function(e){if("RTX"===e.name.toUpperCase()&&e.parameters.apt){var r={ssrc:s,codecPayloadType:parseInt(e.parameters.apt,10)};if(s&&d){r.rtx={ssrc:d}}t.push(r);if(n){r=JSON.parse(JSON.stringify(r));r.fec={ssrc:s,mechanism:i?"red+ulpfec":"red"};t.push(r)}}});if(0===t.length&&s){t.push({ssrc:s})}var p=r.matchPrefix(e,"b=");if(p.length){if(0===p[0].indexOf("b=TIAS:")){p=parseInt(p[0].substr(7),10)}else if(0===p[0].indexOf("b=AS:")){p=.95*(1e3*parseInt(p[0].substr(5),10))-16000}else{p=void 0}t.forEach(function(e){e.maxBitrate=p})}return t};r.parseRtcpParameters=function(e){var t={},a=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"cname"===e.attribute})[0];if(a){t.cname=a.value;t.ssrc=a.ssrc}var n=r.matchPrefix(e,"a=rtcp-rsize");t.reducedSize=0<n.length;t.compound=0===n.length;var i=r.matchPrefix(e,"a=rtcp-mux");t.mux=0<i.length;return t};r.parseMsid=function(e){var t,a=r.matchPrefix(e,"a=msid:");if(1===a.length){t=a[0].substr(7).split(" ");return{stream:t[0],track:t[1]}}var n=r.matchPrefix(e,"a=ssrc:").map(function(e){return r.parseSsrcMedia(e)}).filter(function(e){return"msid"===e.attribute});if(0<n.length){t=n[0].value.split(" ");return{stream:t[0],track:t[1]}}};r.parseSctpDescription=function(e){var t=r.parseMLine(e),a=r.matchPrefix(e,"a=max-message-size:"),n;if(0<a.length){n=parseInt(a[0].substr(19),10)}if(isNaN(n)){n=65536}var i=r.matchPrefix(e,"a=sctp-port:");if(0<i.length){return{port:parseInt(i[0].substr(12),10),protocol:t.fmt,maxMessageSize:n}}var o=r.matchPrefix(e,"a=sctpmap:");if(0<o.length){var s=r.matchPrefix(e,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(s[0],10),protocol:s[1],maxMessageSize:n}}};r.writeSctpDescription=function(e,t){var r=[];if("DTLS/SCTP"!==e.protocol){r=["m="+e.kind+" 9 "+e.protocol+" "+t.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+t.port+"\r\n"]}else{r=["m="+e.kind+" 9 "+e.protocol+" "+t.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+t.port+" "+t.protocol+" 65535\r\n"]}if(t.maxMessageSize!==void 0){r.push("a=max-message-size:"+t.maxMessageSize+"\r\n")}return r.join("")};r.generateSessionId=function(){return Math.random().toString().substr(2,21)};r.writeSessionBoilerplate=function(e,t,a){var n,i=t!==void 0?t:2;if(e){n=e}else{n=r.generateSessionId()}return"v=0\r\no="+(a||"thisisadapterortc")+" "+n+" "+i+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"};r.writeMediaSection=function(e,t,a,n){var i=r.writeRtpDescription(e.kind,t);i+=r.writeIceParameters(e.iceGatherer.getLocalParameters());i+=r.writeDtlsParameters(e.dtlsTransport.getLocalParameters(),"offer"===a?"actpass":"active");i+="a=mid:"+e.mid+"\r\n";if(e.direction){i+="a="+e.direction+"\r\n"}else if(e.rtpSender&&e.rtpReceiver){i+="a=sendrecv\r\n"}else if(e.rtpSender){i+="a=sendonly\r\n"}else if(e.rtpReceiver){i+="a=recvonly\r\n"}else{i+="a=inactive\r\n"}if(e.rtpSender){var o="msid:"+n.id+" "+e.rtpSender.track.id+"\r\n";i+="a="+o;i+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" "+o;if(e.sendEncodingParameters[0].rtx){i+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" "+o;i+="a=ssrc-group:FID "+e.sendEncodingParameters[0].ssrc+" "+e.sendEncodingParameters[0].rtx.ssrc+"\r\n"}}i+="a=ssrc:"+e.sendEncodingParameters[0].ssrc+" cname:"+r.localCName+"\r\n";if(e.rtpSender&&e.sendEncodingParameters[0].rtx){i+="a=ssrc:"+e.sendEncodingParameters[0].rtx.ssrc+" cname:"+r.localCName+"\r\n"}return i};r.getDirection=function(e,t){for(var a=r.splitLines(e),n=0;n<a.length;n++){switch(a[n]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return a[n].substr(2);default:}}if(t){return r.getDirection(t)}return"sendrecv"};r.getKind=function(e){var t=r.splitLines(e),a=t[0].split(" ");return a[0].substr(2)};r.isRejected=function(e){return"0"===e.split(" ",2)[1]};r.parseMLine=function(e){var t=r.splitLines(e),a=t[0].substr(2).split(" ");return{kind:a[0],port:parseInt(a[1],10),protocol:a[2],fmt:a.slice(3).join(" ")}};r.parseOLine=function(e){var t=r.matchPrefix(e,"o=")[0],a=t.substr(2).split(" ");return{username:a[0],sessionId:a[1],sessionVersion:parseInt(a[2],10),netType:a[3],addressType:a[4],address:a[5]}};r.isValidSDP=function(e){if("string"!=typeof e||0===e.length){return!1}for(var t=r.splitLines(e),a=0;a<t.length;a++){if(2>t[a].length||"="!==t[a].charAt(1)){return!1}}return!0};if("object"===_typeof2(t)){t.exports=r}},{}]},{},[1])(1)});
-//# sourceMappingURL=adapter.min.js.map
+function _typeof2(obj){return _typeof2="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof2(obj)}define("core/adapter",[],(function(){return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,(function(e){var n=t[o][1][e];return s(n||e)}),l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var adapter=(0,require("./adapter_factory.js").adapterFactory)({window:window});module.exports=adapter},{"./adapter_factory.js":2}],2:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.adapterFactory=function(){var _ref=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},window=_ref.window,options=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{shimChrome:!0,shimFirefox:!0,shimEdge:!0,shimSafari:!0},logging=utils.log,browserDetails=utils.detectBrowser(window),adapter={browserDetails:browserDetails,commonShim:commonShim,extractVersion:utils.extractVersion,disableLog:utils.disableLog,disableWarnings:utils.disableWarnings};switch(browserDetails.browser){case"chrome":if(!chromeShim||!chromeShim.shimPeerConnection||!options.shimChrome)return logging("Chrome shim is not included in this adapter release."),adapter;logging("adapter.js shimming chrome."),adapter.browserShim=chromeShim,chromeShim.shimGetUserMedia(window),chromeShim.shimMediaStream(window),chromeShim.shimPeerConnection(window),chromeShim.shimOnTrack(window),chromeShim.shimAddTrackRemoveTrack(window),chromeShim.shimGetSendersWithDtmf(window),chromeShim.shimGetStats(window),chromeShim.shimSenderReceiverGetStats(window),chromeShim.fixNegotiationNeeded(window),commonShim.shimRTCIceCandidate(window),commonShim.shimConnectionState(window),commonShim.shimMaxMessageSize(window),commonShim.shimSendThrowTypeError(window),commonShim.removeAllowExtmapMixed(window);break;case"firefox":if(!firefoxShim||!firefoxShim.shimPeerConnection||!options.shimFirefox)return logging("Firefox shim is not included in this adapter release."),adapter;logging("adapter.js shimming firefox."),adapter.browserShim=firefoxShim,firefoxShim.shimGetUserMedia(window),firefoxShim.shimPeerConnection(window),firefoxShim.shimOnTrack(window),firefoxShim.shimRemoveStream(window),firefoxShim.shimSenderGetStats(window),firefoxShim.shimReceiverGetStats(window),firefoxShim.shimRTCDataChannel(window),firefoxShim.shimAddTransceiver(window),firefoxShim.shimCreateOffer(window),firefoxShim.shimCreateAnswer(window),commonShim.shimRTCIceCandidate(window),commonShim.shimConnectionState(window),commonShim.shimMaxMessageSize(window),commonShim.shimSendThrowTypeError(window);break;case"edge":if(!edgeShim||!edgeShim.shimPeerConnection||!options.shimEdge)return logging("MS edge shim is not included in this adapter release."),adapter;logging("adapter.js shimming edge."),adapter.browserShim=edgeShim,edgeShim.shimGetUserMedia(window),edgeShim.shimGetDisplayMedia(window),edgeShim.shimPeerConnection(window),edgeShim.shimReplaceTrack(window),commonShim.shimMaxMessageSize(window),commonShim.shimSendThrowTypeError(window);break;case"safari":if(!safariShim||!options.shimSafari)return logging("Safari shim is not included in this adapter release."),adapter;logging("adapter.js shimming safari."),adapter.browserShim=safariShim,safariShim.shimRTCIceServerUrls(window),safariShim.shimCreateOfferLegacy(window),safariShim.shimCallbacksAPI(window),safariShim.shimLocalStreamsAPI(window),safariShim.shimRemoteStreamsAPI(window),safariShim.shimTrackEventTransceiver(window),safariShim.shimGetUserMedia(window),commonShim.shimRTCIceCandidate(window),commonShim.shimMaxMessageSize(window),commonShim.shimSendThrowTypeError(window),commonShim.removeAllowExtmapMixed(window);break;default:logging("Unsupported browser!")}return adapter};var utils=_interopRequireWildcard(require("./utils")),chromeShim=_interopRequireWildcard(require("./chrome/chrome_shim")),edgeShim=_interopRequireWildcard(require("./edge/edge_shim")),firefoxShim=_interopRequireWildcard(require("./firefox/firefox_shim")),safariShim=_interopRequireWildcard(require("./safari/safari_shim")),commonShim=_interopRequireWildcard(require("./common_shim"));function _interopRequireWildcard(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}},{"./chrome/chrome_shim":3,"./common_shim":6,"./edge/edge_shim":7,"./firefox/firefox_shim":11,"./safari/safari_shim":14,"./utils":15}],3:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetDisplayMedia=exports.shimGetUserMedia=void 0;var _typeof="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(obj){return _typeof2(obj)}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":_typeof2(obj)},_getusermedia=require("./getusermedia");Object.defineProperty(exports,"shimGetUserMedia",{enumerable:!0,get:function(){return _getusermedia.shimGetUserMedia}});var _getdisplaymedia=require("./getdisplaymedia");Object.defineProperty(exports,"shimGetDisplayMedia",{enumerable:!0,get:function(){return _getdisplaymedia.shimGetDisplayMedia}}),exports.shimMediaStream=function(window){window.MediaStream=window.MediaStream||window.webkitMediaStream},exports.shimOnTrack=function(window){if("object"===(void 0===window?"undefined":_typeof(window))&&window.RTCPeerConnection&&!("ontrack"in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,"ontrack",{get:function(){return this._ontrack},set:function(f){this._ontrack&&this.removeEventListener("track",this._ontrack),this.addEventListener("track",this._ontrack=f)},enumerable:!0,configurable:!0});var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var _this=this;return this._ontrackpoly||(this._ontrackpoly=function(e){e.stream.addEventListener("addtrack",(function(te){var receiver=void 0;receiver=window.RTCPeerConnection.prototype.getReceivers?_this.getReceivers().find((function(r){return r.track&&r.track.id===te.track.id})):{track:te.track};var event=new Event("track");event.track=te.track,event.receiver=receiver,event.transceiver={receiver:receiver},event.streams=[e.stream],_this.dispatchEvent(event)})),e.stream.getTracks().forEach((function(track){var receiver=void 0;receiver=window.RTCPeerConnection.prototype.getReceivers?_this.getReceivers().find((function(r){return r.track&&r.track.id===track.id})):{track:track};var event=new Event("track");event.track=track,event.receiver=receiver,event.transceiver={receiver:receiver},event.streams=[e.stream],_this.dispatchEvent(event)}))},this.addEventListener("addstream",this._ontrackpoly)),origSetRemoteDescription.apply(this,arguments)}}else utils.wrapPeerConnectionEvent(window,"track",(function(e){return e.transceiver||Object.defineProperty(e,"transceiver",{value:{receiver:e.receiver}}),e}))},exports.shimGetSendersWithDtmf=function(window){if("object"===(void 0===window?"undefined":_typeof(window))&&window.RTCPeerConnection&&!("getSenders"in window.RTCPeerConnection.prototype)&&"createDTMFSender"in window.RTCPeerConnection.prototype){var shimSenderWithDtmf=function(pc,track){return{track:track,get dtmf(){return void 0===this._dtmf&&("audio"===track.kind?this._dtmf=pc.createDTMFSender(track):this._dtmf=null),this._dtmf},_pc:pc}};if(!window.RTCPeerConnection.prototype.getSenders){window.RTCPeerConnection.prototype.getSenders=function(){return this._senders=this._senders||[],this._senders.slice()};var origAddTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addTrack=function(track,stream){var sender=origAddTrack.apply(this,arguments);return sender||(sender=shimSenderWithDtmf(this,track),this._senders.push(sender)),sender};var origRemoveTrack=window.RTCPeerConnection.prototype.removeTrack;window.RTCPeerConnection.prototype.removeTrack=function(sender){origRemoveTrack.apply(this,arguments);var idx=this._senders.indexOf(sender);-1!==idx&&this._senders.splice(idx,1)}}var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this2=this;this._senders=this._senders||[],origAddStream.apply(this,[stream]),stream.getTracks().forEach((function(track){_this2._senders.push(shimSenderWithDtmf(_this2,track))}))};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){var _this3=this;this._senders=this._senders||[],origRemoveStream.apply(this,[stream]),stream.getTracks().forEach((function(track){var sender=_this3._senders.find((function(s){return s.track===track}));sender&&_this3._senders.splice(_this3._senders.indexOf(sender),1)}))}}else if("object"===(void 0===window?"undefined":_typeof(window))&&window.RTCPeerConnection&&"getSenders"in window.RTCPeerConnection.prototype&&"createDTMFSender"in window.RTCPeerConnection.prototype&&window.RTCRtpSender&&!("dtmf"in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;window.RTCPeerConnection.prototype.getSenders=function(){var _this4=this,senders=origGetSenders.apply(this,[]);return senders.forEach((function(sender){return sender._pc=_this4})),senders},Object.defineProperty(window.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=this._pc.createDTMFSender(this.track):this._dtmf=null),this._dtmf}})}},exports.shimGetStats=function(window){if(!window.RTCPeerConnection)return;var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(){var _this5=this,_arguments=Array.prototype.slice.call(arguments),selector=_arguments[0],onSucc=_arguments[1],onErr=_arguments[2];if(arguments.length>0&&"function"==typeof selector)return origGetStats.apply(this,arguments);if(0===origGetStats.length&&(0===arguments.length||"function"!=typeof selector))return origGetStats.apply(this,[]);var fixChromeStats_=function(response){var standardReport={};return response.result().forEach((function(report){var standardStats={id:report.id,timestamp:report.timestamp,type:{localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[report.type]||report.type};report.names().forEach((function(name){standardStats[name]=report.stat(name)})),standardReport[standardStats.id]=standardStats})),standardReport},makeMapStats=function(stats){return new Map(Object.keys(stats).map((function(key){return[key,stats[key]]})))};if(arguments.length>=2){var successCallbackWrapper_=function(response){onSucc(makeMapStats(fixChromeStats_(response)))};return origGetStats.apply(this,[successCallbackWrapper_,selector])}return new Promise((function(resolve,reject){origGetStats.apply(_this5,[function(response){resolve(makeMapStats(fixChromeStats_(response)))},reject])})).then(onSucc,onErr)}},exports.shimSenderReceiverGetStats=function(window){if(!("object"===(void 0===window?"undefined":_typeof(window))&&window.RTCPeerConnection&&window.RTCRtpSender&&window.RTCRtpReceiver))return;if(!("getStats"in window.RTCRtpSender.prototype)){var origGetSenders=window.RTCPeerConnection.prototype.getSenders;origGetSenders&&(window.RTCPeerConnection.prototype.getSenders=function(){var _this6=this,senders=origGetSenders.apply(this,[]);return senders.forEach((function(sender){return sender._pc=_this6})),senders});var origAddTrack=window.RTCPeerConnection.prototype.addTrack;origAddTrack&&(window.RTCPeerConnection.prototype.addTrack=function(){var sender=origAddTrack.apply(this,arguments);return sender._pc=this,sender}),window.RTCRtpSender.prototype.getStats=function(){var sender=this;return this._pc.getStats().then((function(result){return utils.filterStats(result,sender.track,!0)}))}}if(!("getStats"in window.RTCRtpReceiver.prototype)){var origGetReceivers=window.RTCPeerConnection.prototype.getReceivers;origGetReceivers&&(window.RTCPeerConnection.prototype.getReceivers=function(){var _this7=this,receivers=origGetReceivers.apply(this,[]);return receivers.forEach((function(receiver){return receiver._pc=_this7})),receivers}),utils.wrapPeerConnectionEvent(window,"track",(function(e){return e.receiver._pc=e.srcElement,e})),window.RTCRtpReceiver.prototype.getStats=function(){var receiver=this;return this._pc.getStats().then((function(result){return utils.filterStats(result,receiver.track,!1)}))}}if(!("getStats"in window.RTCRtpSender.prototype)||!("getStats"in window.RTCRtpReceiver.prototype))return;var origGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(){if(arguments.length>0&&arguments[0]instanceof window.MediaStreamTrack){var track=arguments[0],sender=void 0,receiver=void 0,err=void 0;return this.getSenders().forEach((function(s){s.track===track&&(sender?err=!0:sender=s)})),this.getReceivers().forEach((function(r){return r.track===track&&(receiver?err=!0:receiver=r),r.track===track})),err||sender&&receiver?Promise.reject(new DOMException("There are more than one sender or receiver for the track.","InvalidAccessError")):sender?sender.getStats():receiver?receiver.getStats():Promise.reject(new DOMException("There is no sender or receiver for the track.","InvalidAccessError"))}return origGetStats.apply(this,arguments)}},exports.shimAddTrackRemoveTrackWithNative=shimAddTrackRemoveTrackWithNative,exports.shimAddTrackRemoveTrack=function(window){if(!window.RTCPeerConnection)return;var browserDetails=utils.detectBrowser(window);if(window.RTCPeerConnection.prototype.addTrack&&browserDetails.version>=65)return shimAddTrackRemoveTrackWithNative(window);var origGetLocalStreams=window.RTCPeerConnection.prototype.getLocalStreams;window.RTCPeerConnection.prototype.getLocalStreams=function(){var _this11=this,nativeStreams=origGetLocalStreams.apply(this);return this._reverseStreams=this._reverseStreams||{},nativeStreams.map((function(stream){return _this11._reverseStreams[stream.id]}))};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this12=this;if(this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},stream.getTracks().forEach((function(track){if(_this12.getSenders().find((function(s){return s.track===track})))throw new DOMException("Track already exists.","InvalidAccessError")})),!this._reverseStreams[stream.id]){var newStream=new window.MediaStream(stream.getTracks());this._streams[stream.id]=newStream,this._reverseStreams[newStream.id]=stream,stream=newStream}origAddStream.apply(this,[stream])};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;function replaceInternalStreamId(pc,description){var sdp=description.sdp;return Object.keys(pc._reverseStreams||[]).forEach((function(internalId){var externalStream=pc._reverseStreams[internalId],internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(internalStream.id,"g"),externalStream.id)})),new RTCSessionDescription({type:description.type,sdp:sdp})}function replaceExternalStreamId(pc,description){var sdp=description.sdp;return Object.keys(pc._reverseStreams||[]).forEach((function(internalId){var externalStream=pc._reverseStreams[internalId],internalStream=pc._streams[externalStream.id];sdp=sdp.replace(new RegExp(externalStream.id,"g"),internalStream.id)})),new RTCSessionDescription({type:description.type,sdp:sdp})}window.RTCPeerConnection.prototype.removeStream=function(stream){this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{},origRemoveStream.apply(this,[this._streams[stream.id]||stream]),delete this._reverseStreams[this._streams[stream.id]?this._streams[stream.id].id:stream.id],delete this._streams[stream.id]},window.RTCPeerConnection.prototype.addTrack=function(track,stream){var _this13=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");var streams=[].slice.call(arguments,1);if(1!==streams.length||!streams[0].getTracks().find((function(t){return t===track})))throw new DOMException("The adapter.js addTrack polyfill only supports a single  stream which is associated with the specified track.","NotSupportedError");var alreadyExists=this.getSenders().find((function(s){return s.track===track}));if(alreadyExists)throw new DOMException("Track already exists.","InvalidAccessError");this._streams=this._streams||{},this._reverseStreams=this._reverseStreams||{};var oldStream=this._streams[stream.id];if(oldStream)oldStream.addTrack(track),Promise.resolve().then((function(){_this13.dispatchEvent(new Event("negotiationneeded"))}));else{var newStream=new window.MediaStream([track]);this._streams[stream.id]=newStream,this._reverseStreams[newStream.id]=stream,this.addStream(newStream)}return this.getSenders().find((function(s){return s.track===track}))},["createOffer","createAnswer"].forEach((function(method){var nativeMethod=window.RTCPeerConnection.prototype[method],methodObj=_defineProperty({},method,(function(){var _this14=this,args=arguments,isLegacyCall=arguments.length&&"function"==typeof arguments[0];return isLegacyCall?nativeMethod.apply(this,[function(description){var desc=replaceInternalStreamId(_this14,description);args[0].apply(null,[desc])},function(err){args[1]&&args[1].apply(null,err)},arguments[2]]):nativeMethod.apply(this,arguments).then((function(description){return replaceInternalStreamId(_this14,description)}))}));window.RTCPeerConnection.prototype[method]=methodObj[method]}));var origSetLocalDescription=window.RTCPeerConnection.prototype.setLocalDescription;window.RTCPeerConnection.prototype.setLocalDescription=function(){return arguments.length&&arguments[0].type?(arguments[0]=replaceExternalStreamId(this,arguments[0]),origSetLocalDescription.apply(this,arguments)):origSetLocalDescription.apply(this,arguments)};var origLocalDescription=Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype,"localDescription");Object.defineProperty(window.RTCPeerConnection.prototype,"localDescription",{get:function(){var description=origLocalDescription.get.apply(this);return""===description.type?description:replaceInternalStreamId(this,description)}}),window.RTCPeerConnection.prototype.removeTrack=function(sender){var _this15=this;if("closed"===this.signalingState)throw new DOMException("The RTCPeerConnection's signalingState is 'closed'.","InvalidStateError");if(!sender._pc)throw new DOMException("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.","TypeError");if(!(sender._pc===this))throw new DOMException("Sender was not created by this connection.","InvalidAccessError");this._streams=this._streams||{};var stream=void 0;Object.keys(this._streams).forEach((function(streamid){_this15._streams[streamid].getTracks().find((function(track){return sender.track===track}))&&(stream=_this15._streams[streamid])})),stream&&(1===stream.getTracks().length?this.removeStream(this._reverseStreams[stream.id]):stream.removeTrack(sender.track),this.dispatchEvent(new Event("negotiationneeded")))}},exports.shimPeerConnection=function(window){var browserDetails=utils.detectBrowser(window);!window.RTCPeerConnection&&window.webkitRTCPeerConnection&&(window.RTCPeerConnection=window.webkitRTCPeerConnection);if(!window.RTCPeerConnection)return;browserDetails.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(method){var nativeMethod=window.RTCPeerConnection.prototype[method],methodObj=_defineProperty({},method,(function(){return arguments[0]=new("addIceCandidate"===method?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}));window.RTCPeerConnection.prototype[method]=methodObj[method]}));var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?browserDetails.version<78&&arguments[0]&&""===arguments[0].candidate?Promise.resolve():nativeAddIceCandidate.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}},exports.fixNegotiationNeeded=function(window){utils.wrapPeerConnectionEvent(window,"negotiationneeded",(function(e){if("stable"===e.target.signalingState)return e}))};var utils=function(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}(require("../utils.js"));function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function shimAddTrackRemoveTrackWithNative(window){window.RTCPeerConnection.prototype.getLocalStreams=function(){var _this8=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},Object.keys(this._shimmedLocalStreams).map((function(streamId){return _this8._shimmedLocalStreams[streamId][0]}))};var origAddTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addTrack=function(track,stream){if(!stream)return origAddTrack.apply(this,arguments);this._shimmedLocalStreams=this._shimmedLocalStreams||{};var sender=origAddTrack.apply(this,arguments);return this._shimmedLocalStreams[stream.id]?-1===this._shimmedLocalStreams[stream.id].indexOf(sender)&&this._shimmedLocalStreams[stream.id].push(sender):this._shimmedLocalStreams[stream.id]=[stream,sender],sender};var origAddStream=window.RTCPeerConnection.prototype.addStream;window.RTCPeerConnection.prototype.addStream=function(stream){var _this9=this;this._shimmedLocalStreams=this._shimmedLocalStreams||{},stream.getTracks().forEach((function(track){if(_this9.getSenders().find((function(s){return s.track===track})))throw new DOMException("Track already exists.","InvalidAccessError")}));var existingSenders=this.getSenders();origAddStream.apply(this,arguments);var newSenders=this.getSenders().filter((function(newSender){return-1===existingSenders.indexOf(newSender)}));this._shimmedLocalStreams[stream.id]=[stream].concat(newSenders)};var origRemoveStream=window.RTCPeerConnection.prototype.removeStream;window.RTCPeerConnection.prototype.removeStream=function(stream){return this._shimmedLocalStreams=this._shimmedLocalStreams||{},delete this._shimmedLocalStreams[stream.id],origRemoveStream.apply(this,arguments)};var origRemoveTrack=window.RTCPeerConnection.prototype.removeTrack;window.RTCPeerConnection.prototype.removeTrack=function(sender){var _this10=this;return this._shimmedLocalStreams=this._shimmedLocalStreams||{},sender&&Object.keys(this._shimmedLocalStreams).forEach((function(streamId){var idx=_this10._shimmedLocalStreams[streamId].indexOf(sender);-1!==idx&&_this10._shimmedLocalStreams[streamId].splice(idx,1),1===_this10._shimmedLocalStreams[streamId].length&&delete _this10._shimmedLocalStreams[streamId]})),origRemoveTrack.apply(this,arguments)}}},{"../utils.js":15,"./getdisplaymedia":4,"./getusermedia":5}],4:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetDisplayMedia=function(window,getSourceId){if(window.navigator.mediaDevices&&"getDisplayMedia"in window.navigator.mediaDevices)return;if(!window.navigator.mediaDevices)return;if("function"!=typeof getSourceId)return void console.error("shimGetDisplayMedia: getSourceId argument is not a function");window.navigator.mediaDevices.getDisplayMedia=function(constraints){return getSourceId(constraints).then((function(sourceId){var widthSpecified=constraints.video&&constraints.video.width,heightSpecified=constraints.video&&constraints.video.height,frameRateSpecified=constraints.video&&constraints.video.frameRate;return constraints.video={mandatory:{chromeMediaSource:"desktop",chromeMediaSourceId:sourceId,maxFrameRate:frameRateSpecified||3}},widthSpecified&&(constraints.video.mandatory.maxWidth=widthSpecified),heightSpecified&&(constraints.video.mandatory.maxHeight=heightSpecified),window.navigator.mediaDevices.getUserMedia(constraints)}))}}},{}],5:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0});var _typeof="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(obj){return _typeof2(obj)}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":_typeof2(obj)};exports.shimGetUserMedia=function(window){var navigator=window&&window.navigator;if(!navigator.mediaDevices)return;var browserDetails=utils.detectBrowser(window),constraintsToChrome_=function(c){if("object"!==(void 0===c?"undefined":_typeof(c))||c.mandatory||c.optional)return c;var cc={};return Object.keys(c).forEach((function(key){if("require"!==key&&"advanced"!==key&&"mediaSource"!==key){var r="object"===_typeof(c[key])?c[key]:{ideal:c[key]};void 0!==r.exact&&"number"==typeof r.exact&&(r.min=r.max=r.exact);var oldname_=function(prefix,name){return prefix?prefix+name.charAt(0).toUpperCase()+name.slice(1):"deviceId"===name?"sourceId":name};if(void 0!==r.ideal){cc.optional=cc.optional||[];var oc={};"number"==typeof r.ideal?(oc[oldname_("min",key)]=r.ideal,cc.optional.push(oc),(oc={})[oldname_("max",key)]=r.ideal,cc.optional.push(oc)):(oc[oldname_("",key)]=r.ideal,cc.optional.push(oc))}void 0!==r.exact&&"number"!=typeof r.exact?(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_("",key)]=r.exact):["min","max"].forEach((function(mix){void 0!==r[mix]&&(cc.mandatory=cc.mandatory||{},cc.mandatory[oldname_(mix,key)]=r[mix])}))}})),c.advanced&&(cc.optional=(cc.optional||[]).concat(c.advanced)),cc},shimConstraints_=function(constraints,func){if(browserDetails.version>=61)return func(constraints);if((constraints=JSON.parse(JSON.stringify(constraints)))&&"object"===_typeof(constraints.audio)){var remap=function(obj,a,b){a in obj&&!(b in obj)&&(obj[b]=obj[a],delete obj[a])};remap((constraints=JSON.parse(JSON.stringify(constraints))).audio,"autoGainControl","googAutoGainControl"),remap(constraints.audio,"noiseSuppression","googNoiseSuppression"),constraints.audio=constraintsToChrome_(constraints.audio)}if(constraints&&"object"===_typeof(constraints.video)){var face=constraints.video.facingMode;face=face&&("object"===(void 0===face?"undefined":_typeof(face))?face:{ideal:face});var getSupportedFacingModeLies=browserDetails.version<66;if(face&&("user"===face.exact||"environment"===face.exact||"user"===face.ideal||"environment"===face.ideal)&&(!navigator.mediaDevices.getSupportedConstraints||!navigator.mediaDevices.getSupportedConstraints().facingMode||getSupportedFacingModeLies)){delete constraints.video.facingMode;var matches=void 0;if("environment"===face.exact||"environment"===face.ideal?matches=["back","rear"]:"user"!==face.exact&&"user"!==face.ideal||(matches=["front"]),matches)return navigator.mediaDevices.enumerateDevices().then((function(devices){var dev=(devices=devices.filter((function(d){return"videoinput"===d.kind}))).find((function(d){return matches.some((function(match){return d.label.toLowerCase().includes(match)}))}));return!dev&&devices.length&&matches.includes("back")&&(dev=devices[devices.length-1]),dev&&(constraints.video.deviceId=face.exact?{exact:dev.deviceId}:{ideal:dev.deviceId}),constraints.video=constraintsToChrome_(constraints.video),logging("chrome: "+JSON.stringify(constraints)),func(constraints)}))}constraints.video=constraintsToChrome_(constraints.video)}return logging("chrome: "+JSON.stringify(constraints)),func(constraints)},shimError_=function(e){return browserDetails.version>=64?e:{name:{PermissionDeniedError:"NotAllowedError",PermissionDismissedError:"NotAllowedError",InvalidStateError:"NotAllowedError",DevicesNotFoundError:"NotFoundError",ConstraintNotSatisfiedError:"OverconstrainedError",TrackStartError:"NotReadableError",MediaDeviceFailedDueToShutdown:"NotAllowedError",MediaDeviceKillSwitchOn:"NotAllowedError",TabCaptureError:"AbortError",ScreenCaptureError:"AbortError",DeviceCaptureError:"AbortError"}[e.name]||e.name,message:e.message,constraint:e.constraint||e.constraintName,toString:function(){return this.name+(this.message&&": ")+this.message}}};if(navigator.getUserMedia=function(constraints,onSuccess,onError){shimConstraints_(constraints,(function(c){navigator.webkitGetUserMedia(c,onSuccess,(function(e){onError&&onError(shimError_(e))}))}))}.bind(navigator),navigator.mediaDevices.getUserMedia){var origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(cs){return shimConstraints_(cs,(function(c){return origGetUserMedia(c).then((function(stream){if(c.audio&&!stream.getAudioTracks().length||c.video&&!stream.getVideoTracks().length)throw stream.getTracks().forEach((function(track){track.stop()})),new DOMException("","NotFoundError");return stream}),(function(e){return Promise.reject(shimError_(e))}))}))}}};var utils=function(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}(require("../utils.js"));var logging=utils.log},{"../utils.js":15}],6:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0});var _typeof="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(obj){return _typeof2(obj)}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":_typeof2(obj)};exports.shimRTCIceCandidate=function(window){if(!window.RTCIceCandidate||window.RTCIceCandidate&&"foundation"in window.RTCIceCandidate.prototype)return;var NativeRTCIceCandidate=window.RTCIceCandidate;window.RTCIceCandidate=function(args){if("object"===(void 0===args?"undefined":_typeof(args))&&args.candidate&&0===args.candidate.indexOf("a=")&&((args=JSON.parse(JSON.stringify(args))).candidate=args.candidate.substr(2)),args.candidate&&args.candidate.length){var nativeCandidate=new NativeRTCIceCandidate(args),parsedCandidate=_sdp2.default.parseCandidate(args.candidate),augmentedCandidate=Object.assign(nativeCandidate,parsedCandidate);return augmentedCandidate.toJSON=function(){return{candidate:augmentedCandidate.candidate,sdpMid:augmentedCandidate.sdpMid,sdpMLineIndex:augmentedCandidate.sdpMLineIndex,usernameFragment:augmentedCandidate.usernameFragment}},augmentedCandidate}return new NativeRTCIceCandidate(args)},window.RTCIceCandidate.prototype=NativeRTCIceCandidate.prototype,utils.wrapPeerConnectionEvent(window,"icecandidate",(function(e){return e.candidate&&Object.defineProperty(e,"candidate",{value:new window.RTCIceCandidate(e.candidate),writable:"false"}),e}))},exports.shimMaxMessageSize=function(window){if(!window.RTCPeerConnection)return;var browserDetails=utils.detectBrowser(window);"sctp"in window.RTCPeerConnection.prototype||Object.defineProperty(window.RTCPeerConnection.prototype,"sctp",{get:function(){return void 0===this._sctp?null:this._sctp}});var sctpInDescription=function(description){if(!description||!description.sdp)return!1;var sections=_sdp2.default.splitSections(description.sdp);return sections.shift(),sections.some((function(mediaSection){var mLine=_sdp2.default.parseMLine(mediaSection);return mLine&&"application"===mLine.kind&&-1!==mLine.protocol.indexOf("SCTP")}))},getRemoteFirefoxVersion=function(description){var match=description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);if(null===match||match.length<2)return-1;var version=parseInt(match[1],10);return version!=version?-1:version},getCanSendMaxMessageSize=function(remoteIsFirefox){var canSendMaxMessageSize=65536;return"firefox"===browserDetails.browser&&(canSendMaxMessageSize=browserDetails.version<57?-1===remoteIsFirefox?16384:2147483637:browserDetails.version<60?57===browserDetails.version?65535:65536:2147483637),canSendMaxMessageSize},getMaxMessageSize=function(description,remoteIsFirefox){var maxMessageSize=65536;"firefox"===browserDetails.browser&&57===browserDetails.version&&(maxMessageSize=65535);var match=_sdp2.default.matchPrefix(description.sdp,"a=max-message-size:");return match.length>0?maxMessageSize=parseInt(match[0].substr(19),10):"firefox"===browserDetails.browser&&-1!==remoteIsFirefox&&(maxMessageSize=2147483637),maxMessageSize},origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){if(this._sctp=null,"chrome"===browserDetails.browser&&browserDetails.version>=76){var _getConfiguration=this.getConfiguration(),sdpSemantics=_getConfiguration.sdpSemantics;"plan-b"===sdpSemantics&&Object.defineProperty(this,"sctp",{get:function(){return void 0===this._sctp?null:this._sctp},enumerable:!0,configurable:!0})}if(sctpInDescription(arguments[0])){var isFirefox=getRemoteFirefoxVersion(arguments[0]),canSendMMS=getCanSendMaxMessageSize(isFirefox),remoteMMS=getMaxMessageSize(arguments[0],isFirefox),maxMessageSize=void 0;maxMessageSize=0===canSendMMS&&0===remoteMMS?Number.POSITIVE_INFINITY:0===canSendMMS||0===remoteMMS?Math.max(canSendMMS,remoteMMS):Math.min(canSendMMS,remoteMMS);var sctp={};Object.defineProperty(sctp,"maxMessageSize",{get:function(){return maxMessageSize}}),this._sctp=sctp}return origSetRemoteDescription.apply(this,arguments)}},exports.shimSendThrowTypeError=function(window){if(!window.RTCPeerConnection||!("createDataChannel"in window.RTCPeerConnection.prototype))return;function wrapDcSend(dc,pc){var origDataChannelSend=dc.send;dc.send=function(){var data=arguments[0],length=data.length||data.size||data.byteLength;if("open"===dc.readyState&&pc.sctp&&length>pc.sctp.maxMessageSize)throw new TypeError("Message too large (can send a maximum of "+pc.sctp.maxMessageSize+" bytes)");return origDataChannelSend.apply(dc,arguments)}}var origCreateDataChannel=window.RTCPeerConnection.prototype.createDataChannel;window.RTCPeerConnection.prototype.createDataChannel=function(){var dataChannel=origCreateDataChannel.apply(this,arguments);return wrapDcSend(dataChannel,this),dataChannel},utils.wrapPeerConnectionEvent(window,"datachannel",(function(e){return wrapDcSend(e.channel,e.target),e}))},exports.shimConnectionState=function(window){if(!window.RTCPeerConnection||"connectionState"in window.RTCPeerConnection.prototype)return;var proto=window.RTCPeerConnection.prototype;Object.defineProperty(proto,"connectionState",{get:function(){return{completed:"connected",checking:"connecting"}[this.iceConnectionState]||this.iceConnectionState},enumerable:!0,configurable:!0}),Object.defineProperty(proto,"onconnectionstatechange",{get:function(){return this._onconnectionstatechange||null},set:function(cb){this._onconnectionstatechange&&(this.removeEventListener("connectionstatechange",this._onconnectionstatechange),delete this._onconnectionstatechange),cb&&this.addEventListener("connectionstatechange",this._onconnectionstatechange=cb)},enumerable:!0,configurable:!0}),["setLocalDescription","setRemoteDescription"].forEach((function(method){var origMethod=proto[method];proto[method]=function(){return this._connectionstatechangepoly||(this._connectionstatechangepoly=function(e){var pc=e.target;if(pc._lastConnectionState!==pc.connectionState){pc._lastConnectionState=pc.connectionState;var newEvent=new Event("connectionstatechange",e);pc.dispatchEvent(newEvent)}return e},this.addEventListener("iceconnectionstatechange",this._connectionstatechangepoly)),origMethod.apply(this,arguments)}}))},exports.removeAllowExtmapMixed=function(window){if(!window.RTCPeerConnection)return;var browserDetails=utils.detectBrowser(window);if("chrome"===browserDetails.browser&&browserDetails.version>=71)return;var nativeSRD=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(desc){return desc&&desc.sdp&&-1!==desc.sdp.indexOf("\na=extmap-allow-mixed")&&(desc.sdp=desc.sdp.split("\n").filter((function(line){return"a=extmap-allow-mixed"!==line.trim()})).join("\n")),nativeSRD.apply(this,arguments)}};var obj,_sdp=require("sdp"),_sdp2=(obj=_sdp)&&obj.__esModule?obj:{default:obj},utils=function(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}(require("./utils"))},{"./utils":15,sdp:17}],7:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetDisplayMedia=exports.shimGetUserMedia=void 0;var _getusermedia=require("./getusermedia");Object.defineProperty(exports,"shimGetUserMedia",{enumerable:!0,get:function(){return _getusermedia.shimGetUserMedia}});var _getdisplaymedia=require("./getdisplaymedia");Object.defineProperty(exports,"shimGetDisplayMedia",{enumerable:!0,get:function(){return _getdisplaymedia.shimGetDisplayMedia}}),exports.shimPeerConnection=function(window){var browserDetails=utils.detectBrowser(window);if(window.RTCIceGatherer&&(window.RTCIceCandidate||(window.RTCIceCandidate=function(args){return args}),window.RTCSessionDescription||(window.RTCSessionDescription=function(args){return args}),browserDetails.version<15025)){var origMSTEnabled=Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype,"enabled");Object.defineProperty(window.MediaStreamTrack.prototype,"enabled",{set:function(value){origMSTEnabled.set.call(this,value);var ev=new Event("enabled");ev.enabled=value,this.dispatchEvent(ev)}})}window.RTCRtpSender&&!("dtmf"in window.RTCRtpSender.prototype)&&Object.defineProperty(window.RTCRtpSender.prototype,"dtmf",{get:function(){return void 0===this._dtmf&&("audio"===this.track.kind?this._dtmf=new window.RTCDtmfSender(this):"video"===this.track.kind&&(this._dtmf=null)),this._dtmf}});window.RTCDtmfSender&&!window.RTCDTMFSender&&(window.RTCDTMFSender=window.RTCDtmfSender);var RTCPeerConnectionShim=(0,_rtcpeerconnectionShim2.default)(window,browserDetails.version);window.RTCPeerConnection=function(config){return config&&config.iceServers&&(config.iceServers=(0,_filtericeservers.filterIceServers)(config.iceServers,browserDetails.version),utils.log("ICE servers after filtering:",config.iceServers)),new RTCPeerConnectionShim(config)},window.RTCPeerConnection.prototype=RTCPeerConnectionShim.prototype},exports.shimReplaceTrack=function(window){window.RTCRtpSender&&!("replaceTrack"in window.RTCRtpSender.prototype)&&(window.RTCRtpSender.prototype.replaceTrack=window.RTCRtpSender.prototype.setTrack)};var obj,utils=function(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}(require("../utils")),_filtericeservers=require("./filtericeservers"),_rtcpeerconnectionShim=require("rtcpeerconnection-shim"),_rtcpeerconnectionShim2=(obj=_rtcpeerconnectionShim)&&obj.__esModule?obj:{default:obj}},{"../utils":15,"./filtericeservers":8,"./getdisplaymedia":9,"./getusermedia":10,"rtcpeerconnection-shim":16}],8:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.filterIceServers=function(iceServers,edgeVersion){var hasTurn=!1;return(iceServers=JSON.parse(JSON.stringify(iceServers))).filter((function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;server.url&&!server.urls&&utils.deprecated("RTCIceServer.url","RTCIceServer.urls");var isString="string"==typeof urls;return isString&&(urls=[urls]),urls=urls.filter((function(url){if(0===url.indexOf("stun:"))return!1;var validTurn=url.startsWith("turn")&&!url.startsWith("turn:[")&&url.includes("transport=udp");return validTurn&&!hasTurn?(hasTurn=!0,!0):validTurn&&!hasTurn})),delete server.url,server.urls=isString?urls[0]:urls,!!urls.length}}))};var utils=function(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}(require("../utils"))},{"../utils":15}],9:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetDisplayMedia=function(window){if(!("getDisplayMedia"in window.navigator))return;if(!window.navigator.mediaDevices)return;if(window.navigator.mediaDevices&&"getDisplayMedia"in window.navigator.mediaDevices)return;window.navigator.mediaDevices.getDisplayMedia=window.navigator.getDisplayMedia.bind(window.navigator)}},{}],10:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetUserMedia=function(window){var navigator=window&&window.navigator,origGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);navigator.mediaDevices.getUserMedia=function(c){return origGetUserMedia(c).catch((function(e){return Promise.reject(function(e){return{name:{PermissionDeniedError:"NotAllowedError"}[e.name]||e.name,message:e.message,constraint:e.constraint,toString:function(){return this.name}}}(e))}))}}},{}],11:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetDisplayMedia=exports.shimGetUserMedia=void 0;var _typeof="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(obj){return _typeof2(obj)}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":_typeof2(obj)},_getusermedia=require("./getusermedia");Object.defineProperty(exports,"shimGetUserMedia",{enumerable:!0,get:function(){return _getusermedia.shimGetUserMedia}});var _getdisplaymedia=require("./getdisplaymedia");Object.defineProperty(exports,"shimGetDisplayMedia",{enumerable:!0,get:function(){return _getdisplaymedia.shimGetDisplayMedia}}),exports.shimOnTrack=function(window){"object"===(void 0===window?"undefined":_typeof(window))&&window.RTCTrackEvent&&"receiver"in window.RTCTrackEvent.prototype&&!("transceiver"in window.RTCTrackEvent.prototype)&&Object.defineProperty(window.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})},exports.shimPeerConnection=function(window){var browserDetails=utils.detectBrowser(window);if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection&&!window.mozRTCPeerConnection)return;!window.RTCPeerConnection&&window.mozRTCPeerConnection&&(window.RTCPeerConnection=window.mozRTCPeerConnection);browserDetails.version<53&&["setLocalDescription","setRemoteDescription","addIceCandidate"].forEach((function(method){var nativeMethod=window.RTCPeerConnection.prototype[method],methodObj=function(obj,key,value){key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value;return obj}({},method,(function(){return arguments[0]=new("addIceCandidate"===method?window.RTCIceCandidate:window.RTCSessionDescription)(arguments[0]),nativeMethod.apply(this,arguments)}));window.RTCPeerConnection.prototype[method]=methodObj[method]}));if(browserDetails.version<68){var nativeAddIceCandidate=window.RTCPeerConnection.prototype.addIceCandidate;window.RTCPeerConnection.prototype.addIceCandidate=function(){return arguments[0]?arguments[0]&&""===arguments[0].candidate?Promise.resolve():nativeAddIceCandidate.apply(this,arguments):(arguments[1]&&arguments[1].apply(null),Promise.resolve())}}var modernStatsTypes={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"},nativeGetStats=window.RTCPeerConnection.prototype.getStats;window.RTCPeerConnection.prototype.getStats=function(){var _arguments=Array.prototype.slice.call(arguments),selector=_arguments[0],onSucc=_arguments[1],onErr=_arguments[2];return nativeGetStats.apply(this,[selector||null]).then((function(stats){if(browserDetails.version<53&&!onSucc)try{stats.forEach((function(stat){stat.type=modernStatsTypes[stat.type]||stat.type}))}catch(e){if("TypeError"!==e.name)throw e;stats.forEach((function(stat,i){stats.set(i,Object.assign({},stat,{type:modernStatsTypes[stat.type]||stat.type}))}))}return stats})).then(onSucc,onErr)}},exports.shimSenderGetStats=function(window){if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection||!window.RTCRtpSender)return;if(window.RTCRtpSender&&"getStats"in window.RTCRtpSender.prototype)return;var origGetSenders=window.RTCPeerConnection.prototype.getSenders;origGetSenders&&(window.RTCPeerConnection.prototype.getSenders=function(){var _this=this,senders=origGetSenders.apply(this,[]);return senders.forEach((function(sender){return sender._pc=_this})),senders});var origAddTrack=window.RTCPeerConnection.prototype.addTrack;origAddTrack&&(window.RTCPeerConnection.prototype.addTrack=function(){var sender=origAddTrack.apply(this,arguments);return sender._pc=this,sender});window.RTCRtpSender.prototype.getStats=function(){return this.track?this._pc.getStats(this.track):Promise.resolve(new Map)}},exports.shimReceiverGetStats=function(window){if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection||!window.RTCRtpSender)return;if(window.RTCRtpSender&&"getStats"in window.RTCRtpReceiver.prototype)return;var origGetReceivers=window.RTCPeerConnection.prototype.getReceivers;origGetReceivers&&(window.RTCPeerConnection.prototype.getReceivers=function(){var _this2=this,receivers=origGetReceivers.apply(this,[]);return receivers.forEach((function(receiver){return receiver._pc=_this2})),receivers});utils.wrapPeerConnectionEvent(window,"track",(function(e){return e.receiver._pc=e.srcElement,e})),window.RTCRtpReceiver.prototype.getStats=function(){return this._pc.getStats(this.track)}},exports.shimRemoveStream=function(window){if(!window.RTCPeerConnection||"removeStream"in window.RTCPeerConnection.prototype)return;window.RTCPeerConnection.prototype.removeStream=function(stream){var _this3=this;utils.deprecated("removeStream","removeTrack"),this.getSenders().forEach((function(sender){sender.track&&stream.getTracks().includes(sender.track)&&_this3.removeTrack(sender)}))}},exports.shimRTCDataChannel=function(window){window.DataChannel&&!window.RTCDataChannel&&(window.RTCDataChannel=window.DataChannel)},exports.shimAddTransceiver=function(window){if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection)return;var origAddTransceiver=window.RTCPeerConnection.prototype.addTransceiver;origAddTransceiver&&(window.RTCPeerConnection.prototype.addTransceiver=function(){this.setParametersPromises=[];var initParameters=arguments[1],shouldPerformCheck=initParameters&&"sendEncodings"in initParameters;shouldPerformCheck&&initParameters.sendEncodings.forEach((function(encodingParam){if("rid"in encodingParam){if(!/^[a-z0-9]{0,16}$/i.test(encodingParam.rid))throw new TypeError("Invalid RID value provided.")}if("scaleResolutionDownBy"in encodingParam&&!(parseFloat(encodingParam.scaleResolutionDownBy)>=1))throw new RangeError("scale_resolution_down_by must be >= 1.0");if("maxFramerate"in encodingParam&&!(parseFloat(encodingParam.maxFramerate)>=0))throw new RangeError("max_framerate must be >= 0.0")}));var transceiver=origAddTransceiver.apply(this,arguments);if(shouldPerformCheck){var sender=transceiver.sender,params=sender.getParameters();"encodings"in params||(params.encodings=initParameters.sendEncodings,this.setParametersPromises.push(sender.setParameters(params).catch((function(){}))))}return transceiver})},exports.shimCreateOffer=function(window){if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection)return;var origCreateOffer=window.RTCPeerConnection.prototype.createOffer;window.RTCPeerConnection.prototype.createOffer=function(){var _this4=this,_arguments2=arguments;return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then((function(){return origCreateOffer.apply(_this4,_arguments2)})).finally((function(){_this4.setParametersPromises=[]})):origCreateOffer.apply(this,arguments)}},exports.shimCreateAnswer=function(window){if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection)return;var origCreateAnswer=window.RTCPeerConnection.prototype.createAnswer;window.RTCPeerConnection.prototype.createAnswer=function(){var _this5=this,_arguments3=arguments;return this.setParametersPromises&&this.setParametersPromises.length?Promise.all(this.setParametersPromises).then((function(){return origCreateAnswer.apply(_this5,_arguments3)})).finally((function(){_this5.setParametersPromises=[]})):origCreateAnswer.apply(this,arguments)}};var utils=function(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}(require("../utils"))},{"../utils":15,"./getdisplaymedia":12,"./getusermedia":13}],12:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0}),exports.shimGetDisplayMedia=function(window,preferredMediaSource){if(window.navigator.mediaDevices&&"getDisplayMedia"in window.navigator.mediaDevices)return;if(!window.navigator.mediaDevices)return;window.navigator.mediaDevices.getDisplayMedia=function(constraints){if(!constraints||!constraints.video){var err=new DOMException("getDisplayMedia without video constraints is undefined");return err.name="NotFoundError",err.code=8,Promise.reject(err)}return!0===constraints.video?constraints.video={mediaSource:preferredMediaSource}:constraints.video.mediaSource=preferredMediaSource,window.navigator.mediaDevices.getUserMedia(constraints)}}},{}],13:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0});var _typeof="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(obj){return _typeof2(obj)}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":_typeof2(obj)};exports.shimGetUserMedia=function(window){var browserDetails=utils.detectBrowser(window),navigator=window&&window.navigator,MediaStreamTrack=window&&window.MediaStreamTrack;if(navigator.getUserMedia=function(constraints,onSuccess,onError){utils.deprecated("navigator.getUserMedia","navigator.mediaDevices.getUserMedia"),navigator.mediaDevices.getUserMedia(constraints).then(onSuccess,onError)},!(browserDetails.version>55&&"autoGainControl"in navigator.mediaDevices.getSupportedConstraints())){var remap=function(obj,a,b){a in obj&&!(b in obj)&&(obj[b]=obj[a],delete obj[a])},nativeGetUserMedia=navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);if(navigator.mediaDevices.getUserMedia=function(c){return"object"===(void 0===c?"undefined":_typeof(c))&&"object"===_typeof(c.audio)&&(c=JSON.parse(JSON.stringify(c)),remap(c.audio,"autoGainControl","mozAutoGainControl"),remap(c.audio,"noiseSuppression","mozNoiseSuppression")),nativeGetUserMedia(c)},MediaStreamTrack&&MediaStreamTrack.prototype.getSettings){var nativeGetSettings=MediaStreamTrack.prototype.getSettings;MediaStreamTrack.prototype.getSettings=function(){var obj=nativeGetSettings.apply(this,arguments);return remap(obj,"mozAutoGainControl","autoGainControl"),remap(obj,"mozNoiseSuppression","noiseSuppression"),obj}}if(MediaStreamTrack&&MediaStreamTrack.prototype.applyConstraints){var nativeApplyConstraints=MediaStreamTrack.prototype.applyConstraints;MediaStreamTrack.prototype.applyConstraints=function(c){return"audio"===this.kind&&"object"===(void 0===c?"undefined":_typeof(c))&&(c=JSON.parse(JSON.stringify(c)),remap(c,"autoGainControl","mozAutoGainControl"),remap(c,"noiseSuppression","mozNoiseSuppression")),nativeApplyConstraints.apply(this,[c])}}}};var utils=function(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}(require("../utils"))},{"../utils":15}],14:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0});var _typeof="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(obj){return _typeof2(obj)}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":_typeof2(obj)};exports.shimLocalStreamsAPI=function(window){if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection)return;"getLocalStreams"in window.RTCPeerConnection.prototype||(window.RTCPeerConnection.prototype.getLocalStreams=function(){return this._localStreams||(this._localStreams=[]),this._localStreams});if(!("addStream"in window.RTCPeerConnection.prototype)){var _addTrack=window.RTCPeerConnection.prototype.addTrack;window.RTCPeerConnection.prototype.addStream=function(stream){var _this=this;this._localStreams||(this._localStreams=[]),this._localStreams.includes(stream)||this._localStreams.push(stream),stream.getAudioTracks().forEach((function(track){return _addTrack.call(_this,track,stream)})),stream.getVideoTracks().forEach((function(track){return _addTrack.call(_this,track,stream)}))},window.RTCPeerConnection.prototype.addTrack=function(track){var stream=arguments[1];return stream&&(this._localStreams?this._localStreams.includes(stream)||this._localStreams.push(stream):this._localStreams=[stream]),_addTrack.apply(this,arguments)}}"removeStream"in window.RTCPeerConnection.prototype||(window.RTCPeerConnection.prototype.removeStream=function(stream){var _this2=this;this._localStreams||(this._localStreams=[]);var index=this._localStreams.indexOf(stream);if(-1!==index){this._localStreams.splice(index,1);var tracks=stream.getTracks();this.getSenders().forEach((function(sender){tracks.includes(sender.track)&&_this2.removeTrack(sender)}))}})},exports.shimRemoteStreamsAPI=function(window){if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection)return;"getRemoteStreams"in window.RTCPeerConnection.prototype||(window.RTCPeerConnection.prototype.getRemoteStreams=function(){return this._remoteStreams?this._remoteStreams:[]});if(!("onaddstream"in window.RTCPeerConnection.prototype)){Object.defineProperty(window.RTCPeerConnection.prototype,"onaddstream",{get:function(){return this._onaddstream},set:function(f){var _this3=this;this._onaddstream&&(this.removeEventListener("addstream",this._onaddstream),this.removeEventListener("track",this._onaddstreampoly)),this.addEventListener("addstream",this._onaddstream=f),this.addEventListener("track",this._onaddstreampoly=function(e){e.streams.forEach((function(stream){if(_this3._remoteStreams||(_this3._remoteStreams=[]),!_this3._remoteStreams.includes(stream)){_this3._remoteStreams.push(stream);var event=new Event("addstream");event.stream=stream,_this3.dispatchEvent(event)}}))})}});var origSetRemoteDescription=window.RTCPeerConnection.prototype.setRemoteDescription;window.RTCPeerConnection.prototype.setRemoteDescription=function(){var pc=this;return this._onaddstreampoly||this.addEventListener("track",this._onaddstreampoly=function(e){e.streams.forEach((function(stream){if(pc._remoteStreams||(pc._remoteStreams=[]),!(pc._remoteStreams.indexOf(stream)>=0)){pc._remoteStreams.push(stream);var event=new Event("addstream");event.stream=stream,pc.dispatchEvent(event)}}))}),origSetRemoteDescription.apply(pc,arguments)}}},exports.shimCallbacksAPI=function(window){if("object"!==(void 0===window?"undefined":_typeof(window))||!window.RTCPeerConnection)return;var prototype=window.RTCPeerConnection.prototype,origCreateOffer=prototype.createOffer,origCreateAnswer=prototype.createAnswer,setLocalDescription=prototype.setLocalDescription,setRemoteDescription=prototype.setRemoteDescription,addIceCandidate=prototype.addIceCandidate;prototype.createOffer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0],promise=origCreateOffer.apply(this,[options]);return failureCallback?(promise.then(successCallback,failureCallback),Promise.resolve()):promise},prototype.createAnswer=function(successCallback,failureCallback){var options=arguments.length>=2?arguments[2]:arguments[0],promise=origCreateAnswer.apply(this,[options]);return failureCallback?(promise.then(successCallback,failureCallback),Promise.resolve()):promise};var withCallback=function(description,successCallback,failureCallback){var promise=setLocalDescription.apply(this,[description]);return failureCallback?(promise.then(successCallback,failureCallback),Promise.resolve()):promise};prototype.setLocalDescription=withCallback,withCallback=function(description,successCallback,failureCallback){var promise=setRemoteDescription.apply(this,[description]);return failureCallback?(promise.then(successCallback,failureCallback),Promise.resolve()):promise},prototype.setRemoteDescription=withCallback,withCallback=function(candidate,successCallback,failureCallback){var promise=addIceCandidate.apply(this,[candidate]);return failureCallback?(promise.then(successCallback,failureCallback),Promise.resolve()):promise},prototype.addIceCandidate=withCallback},exports.shimGetUserMedia=function(window){var navigator=window&&window.navigator;if(navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){var mediaDevices=navigator.mediaDevices,_getUserMedia=mediaDevices.getUserMedia.bind(mediaDevices);navigator.mediaDevices.getUserMedia=function(constraints){return _getUserMedia(shimConstraints(constraints))}}!navigator.getUserMedia&&navigator.mediaDevices&&navigator.mediaDevices.getUserMedia&&(navigator.getUserMedia=function(constraints,cb,errcb){navigator.mediaDevices.getUserMedia(constraints).then(cb,errcb)}.bind(navigator))},exports.shimConstraints=shimConstraints,exports.shimRTCIceServerUrls=function(window){var OrigPeerConnection=window.RTCPeerConnection;window.RTCPeerConnection=function(pcConfig,pcConstraints){if(pcConfig&&pcConfig.iceServers){for(var newIceServers=[],i=0;i<pcConfig.iceServers.length;i++){var server=pcConfig.iceServers[i];!server.hasOwnProperty("urls")&&server.hasOwnProperty("url")?(utils.deprecated("RTCIceServer.url","RTCIceServer.urls"),(server=JSON.parse(JSON.stringify(server))).urls=server.url,delete server.url,newIceServers.push(server)):newIceServers.push(pcConfig.iceServers[i])}pcConfig.iceServers=newIceServers}return new OrigPeerConnection(pcConfig,pcConstraints)},window.RTCPeerConnection.prototype=OrigPeerConnection.prototype,"generateCertificate"in window.RTCPeerConnection&&Object.defineProperty(window.RTCPeerConnection,"generateCertificate",{get:function(){return OrigPeerConnection.generateCertificate}})},exports.shimTrackEventTransceiver=function(window){"object"===(void 0===window?"undefined":_typeof(window))&&window.RTCTrackEvent&&"receiver"in window.RTCTrackEvent.prototype&&!("transceiver"in window.RTCTrackEvent.prototype)&&Object.defineProperty(window.RTCTrackEvent.prototype,"transceiver",{get:function(){return{receiver:this.receiver}}})},exports.shimCreateOfferLegacy=function(window){var origCreateOffer=window.RTCPeerConnection.prototype.createOffer;window.RTCPeerConnection.prototype.createOffer=function(offerOptions){if(offerOptions){void 0!==offerOptions.offerToReceiveAudio&&(offerOptions.offerToReceiveAudio=!!offerOptions.offerToReceiveAudio);var audioTransceiver=this.getTransceivers().find((function(transceiver){return"audio"===transceiver.receiver.track.kind}));!1===offerOptions.offerToReceiveAudio&&audioTransceiver?"sendrecv"===audioTransceiver.direction?audioTransceiver.setDirection?audioTransceiver.setDirection("sendonly"):audioTransceiver.direction="sendonly":"recvonly"===audioTransceiver.direction&&(audioTransceiver.setDirection?audioTransceiver.setDirection("inactive"):audioTransceiver.direction="inactive"):!0!==offerOptions.offerToReceiveAudio||audioTransceiver||this.addTransceiver("audio"),void 0!==offerOptions.offerToReceiveVideo&&(offerOptions.offerToReceiveVideo=!!offerOptions.offerToReceiveVideo);var videoTransceiver=this.getTransceivers().find((function(transceiver){return"video"===transceiver.receiver.track.kind}));!1===offerOptions.offerToReceiveVideo&&videoTransceiver?"sendrecv"===videoTransceiver.direction?videoTransceiver.setDirection?videoTransceiver.setDirection("sendonly"):videoTransceiver.direction="sendonly":"recvonly"===videoTransceiver.direction&&(videoTransceiver.setDirection?videoTransceiver.setDirection("inactive"):videoTransceiver.direction="inactive"):!0!==offerOptions.offerToReceiveVideo||videoTransceiver||this.addTransceiver("video")}return origCreateOffer.apply(this,arguments)}};var utils=function(obj){if(obj&&obj.__esModule)return obj;var newObj={};if(null!=obj)for(var key in obj)Object.prototype.hasOwnProperty.call(obj,key)&&(newObj[key]=obj[key]);return newObj.default=obj,newObj}(require("../utils"));function shimConstraints(constraints){return constraints&&void 0!==constraints.video?Object.assign({},constraints,{video:utils.compactObject(constraints.video)}):constraints}},{"../utils":15}],15:[function(require,module,exports){Object.defineProperty(exports,"__esModule",{value:!0});var _typeof="function"==typeof Symbol&&"symbol"===_typeof2(Symbol.iterator)?function(obj){return _typeof2(obj)}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":_typeof2(obj)};exports.extractVersion=extractVersion,exports.wrapPeerConnectionEvent=function(window,eventNameToWrap,wrapper){if(!window.RTCPeerConnection)return;var proto=window.RTCPeerConnection.prototype,nativeAddEventListener=proto.addEventListener;proto.addEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap)return nativeAddEventListener.apply(this,arguments);var wrappedCallback=function(e){var modifiedEvent=wrapper(e);modifiedEvent&&cb(modifiedEvent)};return this._eventMap=this._eventMap||{},this._eventMap[cb]=wrappedCallback,nativeAddEventListener.apply(this,[nativeEventName,wrappedCallback])};var nativeRemoveEventListener=proto.removeEventListener;proto.removeEventListener=function(nativeEventName,cb){if(nativeEventName!==eventNameToWrap||!this._eventMap||!this._eventMap[cb])return nativeRemoveEventListener.apply(this,arguments);var unwrappedCb=this._eventMap[cb];return delete this._eventMap[cb],nativeRemoveEventListener.apply(this,[nativeEventName,unwrappedCb])},Object.defineProperty(proto,"on"+eventNameToWrap,{get:function(){return this["_on"+eventNameToWrap]},set:function(cb){this["_on"+eventNameToWrap]&&(this.removeEventListener(eventNameToWrap,this["_on"+eventNameToWrap]),delete this["_on"+eventNameToWrap]),cb&&this.addEventListener(eventNameToWrap,this["_on"+eventNameToWrap]=cb)},enumerable:!0,configurable:!0})},exports.disableLog=function(bool){if("boolean"!=typeof bool)return new Error("Argument type: "+(void 0===bool?"undefined":_typeof(bool))+". Please use a boolean.");return logDisabled_=bool,bool?"adapter.js logging disabled":"adapter.js logging enabled"},exports.disableWarnings=function(bool){if("boolean"!=typeof bool)return new Error("Argument type: "+(void 0===bool?"undefined":_typeof(bool))+". Please use a boolean.");return deprecationWarnings_=!bool,"adapter.js deprecation warnings "+(bool?"disabled":"enabled")},exports.log=function(){if("object"===("undefined"==typeof window?"undefined":_typeof(window))){if(logDisabled_)return;"undefined"!=typeof console&&"function"==typeof console.log&&console.log.apply(console,arguments)}},exports.deprecated=function(oldMethod,newMethod){if(!deprecationWarnings_)return;console.warn(oldMethod+" is deprecated, please use "+newMethod+" instead.")},exports.detectBrowser=function(window){var navigator=window.navigator,result={browser:null,version:null};if(void 0===window||!window.navigator)return result.browser="Not a browser.",result;if(navigator.mozGetUserMedia)result.browser="firefox",result.version=extractVersion(navigator.userAgent,/Firefox\/(\d+)\./,1);else if(navigator.webkitGetUserMedia||!1===window.isSecureContext&&window.webkitRTCPeerConnection&&!window.RTCIceGatherer)result.browser="chrome",result.version=extractVersion(navigator.userAgent,/Chrom(e|ium)\/(\d+)\./,2);else if(navigator.mediaDevices&&navigator.userAgent.match(/Edge\/(\d+).(\d+)$/))result.browser="edge",result.version=extractVersion(navigator.userAgent,/Edge\/(\d+).(\d+)$/,2);else{if(!window.RTCPeerConnection||!navigator.userAgent.match(/AppleWebKit\/(\d+)\./))return result.browser="Not a supported browser.",result;result.browser="safari",result.version=extractVersion(navigator.userAgent,/AppleWebKit\/(\d+)\./,1),result.supportsUnifiedPlan=window.RTCRtpTransceiver&&"currentDirection"in window.RTCRtpTransceiver.prototype}return result},exports.compactObject=function compactObject(data){if(!isObject(data))return data;return Object.keys(data).reduce((function(accumulator,key){var isObj=isObject(data[key]),value=isObj?compactObject(data[key]):data[key],isEmptyObject=isObj&&!Object.keys(value).length;return void 0===value||isEmptyObject?accumulator:Object.assign(accumulator,function(obj,key,value){key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value;return obj}({},key,value))}),{})},exports.walkStats=walkStats,exports.filterStats=function(result,track,outbound){var streamStatsType=outbound?"outbound-rtp":"inbound-rtp",filteredResult=new Map;if(null===track)return filteredResult;var trackStats=[];return result.forEach((function(value){"track"===value.type&&value.trackIdentifier===track.id&&trackStats.push(value)})),trackStats.forEach((function(trackStat){result.forEach((function(stats){stats.type===streamStatsType&&stats.trackId===trackStat.id&&walkStats(result,stats,filteredResult)}))})),filteredResult};var logDisabled_=!0,deprecationWarnings_=!0;function extractVersion(uastring,expr,pos){var match=uastring.match(expr);return match&&match.length>=pos&&parseInt(match[pos],10)}function isObject(val){return"[object Object]"===Object.prototype.toString.call(val)}function walkStats(stats,base,resultSet){base&&!resultSet.has(base.id)&&(resultSet.set(base.id,base),Object.keys(base).forEach((function(name){name.endsWith("Id")?walkStats(stats,stats.get(base[name]),resultSet):name.endsWith("Ids")&&base[name].forEach((function(id){walkStats(stats,stats.get(id),resultSet)}))})))}},{}],16:[function(require,module,exports){var SDPUtils=require("sdp");function writeMediaSection(transceiver,caps,type,stream,dtlsRole){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);if(sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters()),sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),"offer"===type?"actpass":dtlsRole||"active"),sdp+="a=mid:"+transceiver.mid+"\r\n",transceiver.rtpSender&&transceiver.rtpReceiver?sdp+="a=sendrecv\r\n":transceiver.rtpSender?sdp+="a=sendonly\r\n":transceiver.rtpReceiver?sdp+="a=recvonly\r\n":sdp+="a=inactive\r\n",transceiver.rtpSender){var trackId=transceiver.rtpSender._initialTrackId||transceiver.rtpSender.track.id;transceiver.rtpSender._initialTrackId=trackId;var msid="msid:"+(stream?stream.id:"-")+" "+trackId+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" "+msid,transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" "+msid,sdp+="a=ssrc-group:FID "+transceiver.sendEncodingParameters[0].ssrc+" "+transceiver.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" cname:"+SDPUtils.localCName+"\r\n",transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" cname:"+SDPUtils.localCName+"\r\n"),sdp}function getCommonCapabilities(localCapabilities,remoteCapabilities){var commonCapabilities={codecs:[],headerExtensions:[],fecMechanisms:[]},findCodecByPayloadType=function(pt,codecs){pt=parseInt(pt,10);for(var i=0;i<codecs.length;i++)if(codecs[i].payloadType===pt||codecs[i].preferredPayloadType===pt)return codecs[i]},rtxCapabilityMatches=function(lRtx,rRtx,lCodecs,rCodecs){var lCodec=findCodecByPayloadType(lRtx.parameters.apt,lCodecs),rCodec=findCodecByPayloadType(rRtx.parameters.apt,rCodecs);return lCodec&&rCodec&&lCodec.name.toLowerCase()===rCodec.name.toLowerCase()};return localCapabilities.codecs.forEach((function(lCodec){for(var i=0;i<remoteCapabilities.codecs.length;i++){var rCodec=remoteCapabilities.codecs[i];if(lCodec.name.toLowerCase()===rCodec.name.toLowerCase()&&lCodec.clockRate===rCodec.clockRate){if("rtx"===lCodec.name.toLowerCase()&&lCodec.parameters&&rCodec.parameters.apt&&!rtxCapabilityMatches(lCodec,rCodec,localCapabilities.codecs,remoteCapabilities.codecs))continue;(rCodec=JSON.parse(JSON.stringify(rCodec))).numChannels=Math.min(lCodec.numChannels,rCodec.numChannels),commonCapabilities.codecs.push(rCodec),rCodec.rtcpFeedback=rCodec.rtcpFeedback.filter((function(fb){for(var j=0;j<lCodec.rtcpFeedback.length;j++)if(lCodec.rtcpFeedback[j].type===fb.type&&lCodec.rtcpFeedback[j].parameter===fb.parameter)return!0;return!1}));break}}})),localCapabilities.headerExtensions.forEach((function(lHeaderExtension){for(var i=0;i<remoteCapabilities.headerExtensions.length;i++){var rHeaderExtension=remoteCapabilities.headerExtensions[i];if(lHeaderExtension.uri===rHeaderExtension.uri){commonCapabilities.headerExtensions.push(rHeaderExtension);break}}})),commonCapabilities}function isActionAllowedInSignalingState(action,type,signalingState){return-1!=={offer:{setLocalDescription:["stable","have-local-offer"],setRemoteDescription:["stable","have-remote-offer"]},answer:{setLocalDescription:["have-remote-offer","have-local-pranswer"],setRemoteDescription:["have-local-offer","have-remote-pranswer"]}}[type][action].indexOf(signalingState)}function maybeAddCandidate(iceTransport,candidate){var alreadyAdded=iceTransport.getRemoteCandidates().find((function(remoteCandidate){return candidate.foundation===remoteCandidate.foundation&&candidate.ip===remoteCandidate.ip&&candidate.port===remoteCandidate.port&&candidate.priority===remoteCandidate.priority&&candidate.protocol===remoteCandidate.protocol&&candidate.type===remoteCandidate.type}));return alreadyAdded||iceTransport.addRemoteCandidate(candidate),!alreadyAdded}function makeError(name,description){var e=new Error(description);return e.name=name,e.code={NotSupportedError:9,InvalidStateError:11,InvalidAccessError:15,TypeError:void 0,OperationError:void 0}[name],e}module.exports=function(window,edgeVersion){function addTrackToStreamAndFireEvent(track,stream){stream.addTrack(track),stream.dispatchEvent(new window.MediaStreamTrackEvent("addtrack",{track:track}))}function fireAddTrack(pc,track,receiver,streams){var trackEvent=new Event("track");trackEvent.track=track,trackEvent.receiver=receiver,trackEvent.transceiver={receiver:receiver},trackEvent.streams=streams,window.setTimeout((function(){pc._dispatchEvent("track",trackEvent)}))}var RTCPeerConnection=function(config){var pc=this,_eventTarget=document.createDocumentFragment();if(["addEventListener","removeEventListener","dispatchEvent"].forEach((function(method){pc[method]=_eventTarget[method].bind(_eventTarget)})),this.canTrickleIceCandidates=null,this.needNegotiation=!1,this.localStreams=[],this.remoteStreams=[],this._localDescription=null,this._remoteDescription=null,this.signalingState="stable",this.iceConnectionState="new",this.connectionState="new",this.iceGatheringState="new",config=JSON.parse(JSON.stringify(config||{})),this.usingBundle="max-bundle"===config.bundlePolicy,"negotiate"===config.rtcpMuxPolicy)throw makeError("NotSupportedError","rtcpMuxPolicy 'negotiate' is not supported");switch(config.rtcpMuxPolicy||(config.rtcpMuxPolicy="require"),config.iceTransportPolicy){case"all":case"relay":break;default:config.iceTransportPolicy="all"}switch(config.bundlePolicy){case"balanced":case"max-compat":case"max-bundle":break;default:config.bundlePolicy="balanced"}if(config.iceServers=function(iceServers,edgeVersion){var hasTurn=!1;return(iceServers=JSON.parse(JSON.stringify(iceServers))).filter((function(server){if(server&&(server.urls||server.url)){var urls=server.urls||server.url;server.url&&!server.urls&&console.warn("RTCIceServer.url is deprecated! Use urls instead.");var isString="string"==typeof urls;return isString&&(urls=[urls]),urls=urls.filter((function(url){return 0!==url.indexOf("turn:")||-1===url.indexOf("transport=udp")||-1!==url.indexOf("turn:[")||hasTurn?0===url.indexOf("stun:")&&edgeVersion>=14393&&-1===url.indexOf("?transport=udp"):(hasTurn=!0,!0)})),delete server.url,server.urls=isString?urls[0]:urls,!!urls.length}}))}(config.iceServers||[],edgeVersion),this._iceGatherers=[],config.iceCandidatePoolSize)for(var i=config.iceCandidatePoolSize;i>0;i--)this._iceGatherers.push(new window.RTCIceGatherer({iceServers:config.iceServers,gatherPolicy:config.iceTransportPolicy}));else config.iceCandidatePoolSize=0;this._config=config,this.transceivers=[],this._sdpSessionId=SDPUtils.generateSessionId(),this._sdpSessionVersion=0,this._dtlsRole=void 0,this._isClosed=!1};Object.defineProperty(RTCPeerConnection.prototype,"localDescription",{configurable:!0,get:function(){return this._localDescription}}),Object.defineProperty(RTCPeerConnection.prototype,"remoteDescription",{configurable:!0,get:function(){return this._remoteDescription}}),RTCPeerConnection.prototype.onicecandidate=null,RTCPeerConnection.prototype.onaddstream=null,RTCPeerConnection.prototype.ontrack=null,RTCPeerConnection.prototype.onremovestream=null,RTCPeerConnection.prototype.onsignalingstatechange=null,RTCPeerConnection.prototype.oniceconnectionstatechange=null,RTCPeerConnection.prototype.onconnectionstatechange=null,RTCPeerConnection.prototype.onicegatheringstatechange=null,RTCPeerConnection.prototype.onnegotiationneeded=null,RTCPeerConnection.prototype.ondatachannel=null,RTCPeerConnection.prototype._dispatchEvent=function(name,event){this._isClosed||(this.dispatchEvent(event),"function"==typeof this["on"+name]&&this["on"+name](event))},RTCPeerConnection.prototype._emitGatheringStateChange=function(){var event=new Event("icegatheringstatechange");this._dispatchEvent("icegatheringstatechange",event)},RTCPeerConnection.prototype.getConfiguration=function(){return this._config},RTCPeerConnection.prototype.getLocalStreams=function(){return this.localStreams},RTCPeerConnection.prototype.getRemoteStreams=function(){return this.remoteStreams},RTCPeerConnection.prototype._createTransceiver=function(kind,doNotAdd){var hasBundleTransport=this.transceivers.length>0,transceiver={track:null,iceGatherer:null,iceTransport:null,dtlsTransport:null,localCapabilities:null,remoteCapabilities:null,rtpSender:null,rtpReceiver:null,kind:kind,mid:null,sendEncodingParameters:null,recvEncodingParameters:null,stream:null,associatedRemoteMediaStreams:[],wantReceive:!0};if(this.usingBundle&&hasBundleTransport)transceiver.iceTransport=this.transceivers[0].iceTransport,transceiver.dtlsTransport=this.transceivers[0].dtlsTransport;else{var transports=this._createIceAndDtlsTransports();transceiver.iceTransport=transports.iceTransport,transceiver.dtlsTransport=transports.dtlsTransport}return doNotAdd||this.transceivers.push(transceiver),transceiver},RTCPeerConnection.prototype.addTrack=function(track,stream){if(this._isClosed)throw makeError("InvalidStateError","Attempted to call addTrack on a closed peerconnection.");var transceiver;if(this.transceivers.find((function(s){return s.track===track})))throw makeError("InvalidAccessError","Track already exists.");for(var i=0;i<this.transceivers.length;i++)this.transceivers[i].track||this.transceivers[i].kind!==track.kind||(transceiver=this.transceivers[i]);return transceiver||(transceiver=this._createTransceiver(track.kind)),this._maybeFireNegotiationNeeded(),-1===this.localStreams.indexOf(stream)&&this.localStreams.push(stream),transceiver.track=track,transceiver.stream=stream,transceiver.rtpSender=new window.RTCRtpSender(track,transceiver.dtlsTransport),transceiver.rtpSender},RTCPeerConnection.prototype.addStream=function(stream){var pc=this;if(edgeVersion>=15025)stream.getTracks().forEach((function(track){pc.addTrack(track,stream)}));else{var clonedStream=stream.clone();stream.getTracks().forEach((function(track,idx){var clonedTrack=clonedStream.getTracks()[idx];track.addEventListener("enabled",(function(event){clonedTrack.enabled=event.enabled}))})),clonedStream.getTracks().forEach((function(track){pc.addTrack(track,clonedStream)}))}},RTCPeerConnection.prototype.removeTrack=function(sender){if(this._isClosed)throw makeError("InvalidStateError","Attempted to call removeTrack on a closed peerconnection.");if(!(sender instanceof window.RTCRtpSender))throw new TypeError("Argument 1 of RTCPeerConnection.removeTrack does not implement interface RTCRtpSender.");var transceiver=this.transceivers.find((function(t){return t.rtpSender===sender}));if(!transceiver)throw makeError("InvalidAccessError","Sender was not created by this connection.");var stream=transceiver.stream;transceiver.rtpSender.stop(),transceiver.rtpSender=null,transceiver.track=null,transceiver.stream=null,-1===this.transceivers.map((function(t){return t.stream})).indexOf(stream)&&this.localStreams.indexOf(stream)>-1&&this.localStreams.splice(this.localStreams.indexOf(stream),1),this._maybeFireNegotiationNeeded()},RTCPeerConnection.prototype.removeStream=function(stream){var pc=this;stream.getTracks().forEach((function(track){var sender=pc.getSenders().find((function(s){return s.track===track}));sender&&pc.removeTrack(sender)}))},RTCPeerConnection.prototype.getSenders=function(){return this.transceivers.filter((function(transceiver){return!!transceiver.rtpSender})).map((function(transceiver){return transceiver.rtpSender}))},RTCPeerConnection.prototype.getReceivers=function(){return this.transceivers.filter((function(transceiver){return!!transceiver.rtpReceiver})).map((function(transceiver){return transceiver.rtpReceiver}))},RTCPeerConnection.prototype._createIceGatherer=function(sdpMLineIndex,usingBundle){var pc=this;if(usingBundle&&sdpMLineIndex>0)return this.transceivers[0].iceGatherer;if(this._iceGatherers.length)return this._iceGatherers.shift();var iceGatherer=new window.RTCIceGatherer({iceServers:this._config.iceServers,gatherPolicy:this._config.iceTransportPolicy});return Object.defineProperty(iceGatherer,"state",{value:"new",writable:!0}),this.transceivers[sdpMLineIndex].bufferedCandidateEvents=[],this.transceivers[sdpMLineIndex].bufferCandidates=function(event){var end=!event.candidate||0===Object.keys(event.candidate).length;iceGatherer.state=end?"completed":"gathering",null!==pc.transceivers[sdpMLineIndex].bufferedCandidateEvents&&pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event)},iceGatherer.addEventListener("localcandidate",this.transceivers[sdpMLineIndex].bufferCandidates),iceGatherer},RTCPeerConnection.prototype._gather=function(mid,sdpMLineIndex){var pc=this,iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;if(!iceGatherer.onlocalcandidate){var bufferedCandidateEvents=this.transceivers[sdpMLineIndex].bufferedCandidateEvents;this.transceivers[sdpMLineIndex].bufferedCandidateEvents=null,iceGatherer.removeEventListener("localcandidate",this.transceivers[sdpMLineIndex].bufferCandidates),iceGatherer.onlocalcandidate=function(evt){if(!(pc.usingBundle&&sdpMLineIndex>0)){var event=new Event("icecandidate");event.candidate={sdpMid:mid,sdpMLineIndex:sdpMLineIndex};var cand=evt.candidate,end=!cand||0===Object.keys(cand).length;if(end)"new"!==iceGatherer.state&&"gathering"!==iceGatherer.state||(iceGatherer.state="completed");else{"new"===iceGatherer.state&&(iceGatherer.state="gathering"),cand.component=1,cand.ufrag=iceGatherer.getLocalParameters().usernameFragment;var serializedCandidate=SDPUtils.writeCandidate(cand);event.candidate=Object.assign(event.candidate,SDPUtils.parseCandidate(serializedCandidate)),event.candidate.candidate=serializedCandidate,event.candidate.toJSON=function(){return{candidate:event.candidate.candidate,sdpMid:event.candidate.sdpMid,sdpMLineIndex:event.candidate.sdpMLineIndex,usernameFragment:event.candidate.usernameFragment}}}var sections=SDPUtils.getMediaSections(pc._localDescription.sdp);sections[event.candidate.sdpMLineIndex]+=end?"a=end-of-candidates\r\n":"a="+event.candidate.candidate+"\r\n",pc._localDescription.sdp=SDPUtils.getDescription(pc._localDescription.sdp)+sections.join("");var complete=pc.transceivers.every((function(transceiver){return transceiver.iceGatherer&&"completed"===transceiver.iceGatherer.state}));"gathering"!==pc.iceGatheringState&&(pc.iceGatheringState="gathering",pc._emitGatheringStateChange()),end||pc._dispatchEvent("icecandidate",event),complete&&(pc._dispatchEvent("icecandidate",new Event("icecandidate")),pc.iceGatheringState="complete",pc._emitGatheringStateChange())}},window.setTimeout((function(){bufferedCandidateEvents.forEach((function(e){iceGatherer.onlocalcandidate(e)}))}),0)}},RTCPeerConnection.prototype._createIceAndDtlsTransports=function(){var pc=this,iceTransport=new window.RTCIceTransport(null);iceTransport.onicestatechange=function(){pc._updateIceConnectionState(),pc._updateConnectionState()};var dtlsTransport=new window.RTCDtlsTransport(iceTransport);return dtlsTransport.ondtlsstatechange=function(){pc._updateConnectionState()},dtlsTransport.onerror=function(){Object.defineProperty(dtlsTransport,"state",{value:"failed",writable:!0}),pc._updateConnectionState()},{iceTransport:iceTransport,dtlsTransport:dtlsTransport}},RTCPeerConnection.prototype._disposeIceAndDtlsTransports=function(sdpMLineIndex){var iceGatherer=this.transceivers[sdpMLineIndex].iceGatherer;iceGatherer&&(delete iceGatherer.onlocalcandidate,delete this.transceivers[sdpMLineIndex].iceGatherer);var iceTransport=this.transceivers[sdpMLineIndex].iceTransport;iceTransport&&(delete iceTransport.onicestatechange,delete this.transceivers[sdpMLineIndex].iceTransport);var dtlsTransport=this.transceivers[sdpMLineIndex].dtlsTransport;dtlsTransport&&(delete dtlsTransport.ondtlsstatechange,delete dtlsTransport.onerror,delete this.transceivers[sdpMLineIndex].dtlsTransport)},RTCPeerConnection.prototype._transceive=function(transceiver,send,recv){var params=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);send&&transceiver.rtpSender&&(params.encodings=transceiver.sendEncodingParameters,params.rtcp={cname:SDPUtils.localCName,compound:transceiver.rtcpParameters.compound},transceiver.recvEncodingParameters.length&&(params.rtcp.ssrc=transceiver.recvEncodingParameters[0].ssrc),transceiver.rtpSender.send(params)),recv&&transceiver.rtpReceiver&&params.codecs.length>0&&("video"===transceiver.kind&&transceiver.recvEncodingParameters&&edgeVersion<15019&&transceiver.recvEncodingParameters.forEach((function(p){delete p.rtx})),transceiver.recvEncodingParameters.length?params.encodings=transceiver.recvEncodingParameters:params.encodings=[{}],params.rtcp={compound:transceiver.rtcpParameters.compound},transceiver.rtcpParameters.cname&&(params.rtcp.cname=transceiver.rtcpParameters.cname),transceiver.sendEncodingParameters.length&&(params.rtcp.ssrc=transceiver.sendEncodingParameters[0].ssrc),transceiver.rtpReceiver.receive(params))},RTCPeerConnection.prototype.setLocalDescription=function(description){var sections,sessionpart,pc=this;if(-1===["offer","answer"].indexOf(description.type))return Promise.reject(makeError("TypeError",'Unsupported type "'+description.type+'"'));if(!isActionAllowedInSignalingState("setLocalDescription",description.type,pc.signalingState)||pc._isClosed)return Promise.reject(makeError("InvalidStateError","Can not set local "+description.type+" in state "+pc.signalingState));if("offer"===description.type)sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),sections.forEach((function(mediaSection,sdpMLineIndex){var caps=SDPUtils.parseRtpParameters(mediaSection);pc.transceivers[sdpMLineIndex].localCapabilities=caps})),pc.transceivers.forEach((function(transceiver,sdpMLineIndex){pc._gather(transceiver.mid,sdpMLineIndex)}));else if("answer"===description.type){sections=SDPUtils.splitSections(pc._remoteDescription.sdp),sessionpart=sections.shift();var isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0;sections.forEach((function(mediaSection,sdpMLineIndex){var transceiver=pc.transceivers[sdpMLineIndex],iceGatherer=transceiver.iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,localCapabilities=transceiver.localCapabilities,remoteCapabilities=transceiver.remoteCapabilities;if(!(SDPUtils.isRejected(mediaSection)&&0===SDPUtils.matchPrefix(mediaSection,"a=bundle-only").length)&&!transceiver.rejected){var remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart);isIceLite&&(remoteDtlsParameters.role="server"),pc.usingBundle&&0!==sdpMLineIndex||(pc._gather(transceiver.mid,sdpMLineIndex),"new"===iceTransport.state&&iceTransport.start(iceGatherer,remoteIceParameters,isIceLite?"controlling":"controlled"),"new"===dtlsTransport.state&&dtlsTransport.start(remoteDtlsParameters));var params=getCommonCapabilities(localCapabilities,remoteCapabilities);pc._transceive(transceiver,params.codecs.length>0,!1)}}))}return pc._localDescription={type:description.type,sdp:description.sdp},"offer"===description.type?pc._updateSignalingState("have-local-offer"):pc._updateSignalingState("stable"),Promise.resolve()},RTCPeerConnection.prototype.setRemoteDescription=function(description){var pc=this;if(-1===["offer","answer"].indexOf(description.type))return Promise.reject(makeError("TypeError",'Unsupported type "'+description.type+'"'));if(!isActionAllowedInSignalingState("setRemoteDescription",description.type,pc.signalingState)||pc._isClosed)return Promise.reject(makeError("InvalidStateError","Can not set remote "+description.type+" in state "+pc.signalingState));var streams={};pc.remoteStreams.forEach((function(stream){streams[stream.id]=stream}));var receiverList=[],sections=SDPUtils.splitSections(description.sdp),sessionpart=sections.shift(),isIceLite=SDPUtils.matchPrefix(sessionpart,"a=ice-lite").length>0,usingBundle=SDPUtils.matchPrefix(sessionpart,"a=group:BUNDLE ").length>0;pc.usingBundle=usingBundle;var iceOptions=SDPUtils.matchPrefix(sessionpart,"a=ice-options:")[0];return pc.canTrickleIceCandidates=!!iceOptions&&iceOptions.substr(14).split(" ").indexOf("trickle")>=0,sections.forEach((function(mediaSection,sdpMLineIndex){var lines=SDPUtils.splitLines(mediaSection),kind=SDPUtils.getKind(mediaSection),rejected=SDPUtils.isRejected(mediaSection)&&0===SDPUtils.matchPrefix(mediaSection,"a=bundle-only").length,protocol=lines[0].substr(2).split(" ")[2],direction=SDPUtils.getDirection(mediaSection,sessionpart),remoteMsid=SDPUtils.parseMsid(mediaSection),mid=SDPUtils.getMid(mediaSection)||SDPUtils.generateIdentifier();if(rejected||"application"===kind&&("DTLS/SCTP"===protocol||"UDP/DTLS/SCTP"===protocol))pc.transceivers[sdpMLineIndex]={mid:mid,kind:kind,protocol:protocol,rejected:!0};else{var transceiver,iceGatherer,iceTransport,dtlsTransport,rtpReceiver,sendEncodingParameters,recvEncodingParameters,localCapabilities,track;!rejected&&pc.transceivers[sdpMLineIndex]&&pc.transceivers[sdpMLineIndex].rejected&&(pc.transceivers[sdpMLineIndex]=pc._createTransceiver(kind,!0));var remoteIceParameters,remoteDtlsParameters,remoteCapabilities=SDPUtils.parseRtpParameters(mediaSection);rejected||(remoteIceParameters=SDPUtils.getIceParameters(mediaSection,sessionpart),(remoteDtlsParameters=SDPUtils.getDtlsParameters(mediaSection,sessionpart)).role="client"),recvEncodingParameters=SDPUtils.parseRtpEncodingParameters(mediaSection);var rtcpParameters=SDPUtils.parseRtcpParameters(mediaSection),isComplete=SDPUtils.matchPrefix(mediaSection,"a=end-of-candidates",sessionpart).length>0,cands=SDPUtils.matchPrefix(mediaSection,"a=candidate:").map((function(cand){return SDPUtils.parseCandidate(cand)})).filter((function(cand){return 1===cand.component}));if(("offer"===description.type||"answer"===description.type)&&!rejected&&usingBundle&&sdpMLineIndex>0&&pc.transceivers[sdpMLineIndex]&&(pc._disposeIceAndDtlsTransports(sdpMLineIndex),pc.transceivers[sdpMLineIndex].iceGatherer=pc.transceivers[0].iceGatherer,pc.transceivers[sdpMLineIndex].iceTransport=pc.transceivers[0].iceTransport,pc.transceivers[sdpMLineIndex].dtlsTransport=pc.transceivers[0].dtlsTransport,pc.transceivers[sdpMLineIndex].rtpSender&&pc.transceivers[sdpMLineIndex].rtpSender.setTransport(pc.transceivers[0].dtlsTransport),pc.transceivers[sdpMLineIndex].rtpReceiver&&pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(pc.transceivers[0].dtlsTransport)),"offer"!==description.type||rejected){if("answer"===description.type&&!rejected){iceGatherer=(transceiver=pc.transceivers[sdpMLineIndex]).iceGatherer,iceTransport=transceiver.iceTransport,dtlsTransport=transceiver.dtlsTransport,rtpReceiver=transceiver.rtpReceiver,sendEncodingParameters=transceiver.sendEncodingParameters,localCapabilities=transceiver.localCapabilities,pc.transceivers[sdpMLineIndex].recvEncodingParameters=recvEncodingParameters,pc.transceivers[sdpMLineIndex].remoteCapabilities=remoteCapabilities,pc.transceivers[sdpMLineIndex].rtcpParameters=rtcpParameters,cands.length&&"new"===iceTransport.state&&(!isIceLite&&!isComplete||usingBundle&&0!==sdpMLineIndex?cands.forEach((function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate)})):iceTransport.setRemoteCandidates(cands)),usingBundle&&0!==sdpMLineIndex||("new"===iceTransport.state&&iceTransport.start(iceGatherer,remoteIceParameters,"controlling"),"new"===dtlsTransport.state&&dtlsTransport.start(remoteDtlsParameters)),!getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities).codecs.filter((function(c){return"rtx"===c.name.toLowerCase()})).length&&transceiver.sendEncodingParameters[0].rtx&&delete transceiver.sendEncodingParameters[0].rtx,pc._transceive(transceiver,"sendrecv"===direction||"recvonly"===direction,"sendrecv"===direction||"sendonly"===direction),!rtpReceiver||"sendrecv"!==direction&&"sendonly"!==direction?delete transceiver.rtpReceiver:(track=rtpReceiver.track,remoteMsid?(streams[remoteMsid.stream]||(streams[remoteMsid.stream]=new window.MediaStream),addTrackToStreamAndFireEvent(track,streams[remoteMsid.stream]),receiverList.push([track,rtpReceiver,streams[remoteMsid.stream]])):(streams.default||(streams.default=new window.MediaStream),addTrackToStreamAndFireEvent(track,streams.default),receiverList.push([track,rtpReceiver,streams.default])))}}else{(transceiver=pc.transceivers[sdpMLineIndex]||pc._createTransceiver(kind)).mid=mid,transceiver.iceGatherer||(transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,usingBundle)),cands.length&&"new"===transceiver.iceTransport.state&&(!isComplete||usingBundle&&0!==sdpMLineIndex?cands.forEach((function(candidate){maybeAddCandidate(transceiver.iceTransport,candidate)})):transceiver.iceTransport.setRemoteCandidates(cands)),localCapabilities=window.RTCRtpReceiver.getCapabilities(kind),edgeVersion<15019&&(localCapabilities.codecs=localCapabilities.codecs.filter((function(codec){return"rtx"!==codec.name}))),sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:1001*(2*sdpMLineIndex+2)}];var stream,isNewTrack=!1;if("sendrecv"===direction||"sendonly"===direction){if(isNewTrack=!transceiver.rtpReceiver,rtpReceiver=transceiver.rtpReceiver||new window.RTCRtpReceiver(transceiver.dtlsTransport,kind),isNewTrack)track=rtpReceiver.track,remoteMsid&&"-"===remoteMsid.stream||(remoteMsid?(streams[remoteMsid.stream]||(streams[remoteMsid.stream]=new window.MediaStream,Object.defineProperty(streams[remoteMsid.stream],"id",{get:function(){return remoteMsid.stream}})),Object.defineProperty(track,"id",{get:function(){return remoteMsid.track}}),stream=streams[remoteMsid.stream]):(streams.default||(streams.default=new window.MediaStream),stream=streams.default)),stream&&(addTrackToStreamAndFireEvent(track,stream),transceiver.associatedRemoteMediaStreams.push(stream)),receiverList.push([track,rtpReceiver,stream])}else transceiver.rtpReceiver&&transceiver.rtpReceiver.track&&(transceiver.associatedRemoteMediaStreams.forEach((function(s){var nativeTrack=s.getTracks().find((function(t){return t.id===transceiver.rtpReceiver.track.id}));nativeTrack&&function(track,stream){stream.removeTrack(track),stream.dispatchEvent(new window.MediaStreamTrackEvent("removetrack",{track:track}))}(nativeTrack,s)})),transceiver.associatedRemoteMediaStreams=[]);transceiver.localCapabilities=localCapabilities,transceiver.remoteCapabilities=remoteCapabilities,transceiver.rtpReceiver=rtpReceiver,transceiver.rtcpParameters=rtcpParameters,transceiver.sendEncodingParameters=sendEncodingParameters,transceiver.recvEncodingParameters=recvEncodingParameters,pc._transceive(pc.transceivers[sdpMLineIndex],!1,isNewTrack)}}})),void 0===pc._dtlsRole&&(pc._dtlsRole="offer"===description.type?"active":"passive"),pc._remoteDescription={type:description.type,sdp:description.sdp},"offer"===description.type?pc._updateSignalingState("have-remote-offer"):pc._updateSignalingState("stable"),Object.keys(streams).forEach((function(sid){var stream=streams[sid];if(stream.getTracks().length){if(-1===pc.remoteStreams.indexOf(stream)){pc.remoteStreams.push(stream);var event=new Event("addstream");event.stream=stream,window.setTimeout((function(){pc._dispatchEvent("addstream",event)}))}receiverList.forEach((function(item){var track=item[0],receiver=item[1];stream.id===item[2].id&&fireAddTrack(pc,track,receiver,[stream])}))}})),receiverList.forEach((function(item){item[2]||fireAddTrack(pc,item[0],item[1],[])})),window.setTimeout((function(){pc&&pc.transceivers&&pc.transceivers.forEach((function(transceiver){transceiver.iceTransport&&"new"===transceiver.iceTransport.state&&transceiver.iceTransport.getRemoteCandidates().length>0&&(console.warn("Timeout for addRemoteCandidate. Consider sending an end-of-candidates notification"),transceiver.iceTransport.addRemoteCandidate({}))}))}),4e3),Promise.resolve()},RTCPeerConnection.prototype.close=function(){this.transceivers.forEach((function(transceiver){transceiver.iceTransport&&transceiver.iceTransport.stop(),transceiver.dtlsTransport&&transceiver.dtlsTransport.stop(),transceiver.rtpSender&&transceiver.rtpSender.stop(),transceiver.rtpReceiver&&transceiver.rtpReceiver.stop()})),this._isClosed=!0,this._updateSignalingState("closed")},RTCPeerConnection.prototype._updateSignalingState=function(newState){this.signalingState=newState;var event=new Event("signalingstatechange");this._dispatchEvent("signalingstatechange",event)},RTCPeerConnection.prototype._maybeFireNegotiationNeeded=function(){var pc=this;"stable"===this.signalingState&&!0!==this.needNegotiation&&(this.needNegotiation=!0,window.setTimeout((function(){if(pc.needNegotiation){pc.needNegotiation=!1;var event=new Event("negotiationneeded");pc._dispatchEvent("negotiationneeded",event)}}),0))},RTCPeerConnection.prototype._updateIceConnectionState=function(){var newState,states={new:0,closed:0,checking:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach((function(transceiver){transceiver.iceTransport&&!transceiver.rejected&&states[transceiver.iceTransport.state]++})),newState="new",states.failed>0?newState="failed":states.checking>0?newState="checking":states.disconnected>0?newState="disconnected":states.new>0?newState="new":states.connected>0?newState="connected":states.completed>0&&(newState="completed"),newState!==this.iceConnectionState){this.iceConnectionState=newState;var event=new Event("iceconnectionstatechange");this._dispatchEvent("iceconnectionstatechange",event)}},RTCPeerConnection.prototype._updateConnectionState=function(){var newState,states={new:0,closed:0,connecting:0,connected:0,completed:0,disconnected:0,failed:0};if(this.transceivers.forEach((function(transceiver){transceiver.iceTransport&&transceiver.dtlsTransport&&!transceiver.rejected&&(states[transceiver.iceTransport.state]++,states[transceiver.dtlsTransport.state]++)})),states.connected+=states.completed,newState="new",states.failed>0?newState="failed":states.connecting>0?newState="connecting":states.disconnected>0?newState="disconnected":states.new>0?newState="new":states.connected>0&&(newState="connected"),newState!==this.connectionState){this.connectionState=newState;var event=new Event("connectionstatechange");this._dispatchEvent("connectionstatechange",event)}},RTCPeerConnection.prototype.createOffer=function(){var pc=this;if(pc._isClosed)return Promise.reject(makeError("InvalidStateError","Can not call createOffer after close"));var numAudioTracks=pc.transceivers.filter((function(t){return"audio"===t.kind})).length,numVideoTracks=pc.transceivers.filter((function(t){return"video"===t.kind})).length,offerOptions=arguments[0];if(offerOptions){if(offerOptions.mandatory||offerOptions.optional)throw new TypeError("Legacy mandatory/optional constraints not supported.");void 0!==offerOptions.offerToReceiveAudio&&(numAudioTracks=!0===offerOptions.offerToReceiveAudio?1:!1===offerOptions.offerToReceiveAudio?0:offerOptions.offerToReceiveAudio),void 0!==offerOptions.offerToReceiveVideo&&(numVideoTracks=!0===offerOptions.offerToReceiveVideo?1:!1===offerOptions.offerToReceiveVideo?0:offerOptions.offerToReceiveVideo)}for(pc.transceivers.forEach((function(transceiver){"audio"===transceiver.kind?--numAudioTracks<0&&(transceiver.wantReceive=!1):"video"===transceiver.kind&&--numVideoTracks<0&&(transceiver.wantReceive=!1)}));numAudioTracks>0||numVideoTracks>0;)numAudioTracks>0&&(pc._createTransceiver("audio"),numAudioTracks--),numVideoTracks>0&&(pc._createTransceiver("video"),numVideoTracks--);var sdp=SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,pc._sdpSessionVersion++);pc.transceivers.forEach((function(transceiver,sdpMLineIndex){var track=transceiver.track,kind=transceiver.kind,mid=transceiver.mid||SDPUtils.generateIdentifier();transceiver.mid=mid,transceiver.iceGatherer||(transceiver.iceGatherer=pc._createIceGatherer(sdpMLineIndex,pc.usingBundle));var localCapabilities=window.RTCRtpSender.getCapabilities(kind);edgeVersion<15019&&(localCapabilities.codecs=localCapabilities.codecs.filter((function(codec){return"rtx"!==codec.name}))),localCapabilities.codecs.forEach((function(codec){"H264"===codec.name&&void 0===codec.parameters["level-asymmetry-allowed"]&&(codec.parameters["level-asymmetry-allowed"]="1"),transceiver.remoteCapabilities&&transceiver.remoteCapabilities.codecs&&transceiver.remoteCapabilities.codecs.forEach((function(remoteCodec){codec.name.toLowerCase()===remoteCodec.name.toLowerCase()&&codec.clockRate===remoteCodec.clockRate&&(codec.preferredPayloadType=remoteCodec.payloadType)}))})),localCapabilities.headerExtensions.forEach((function(hdrExt){(transceiver.remoteCapabilities&&transceiver.remoteCapabilities.headerExtensions||[]).forEach((function(rHdrExt){hdrExt.uri===rHdrExt.uri&&(hdrExt.id=rHdrExt.id)}))}));var sendEncodingParameters=transceiver.sendEncodingParameters||[{ssrc:1001*(2*sdpMLineIndex+1)}];track&&edgeVersion>=15019&&"video"===kind&&!sendEncodingParameters[0].rtx&&(sendEncodingParameters[0].rtx={ssrc:sendEncodingParameters[0].ssrc+1}),transceiver.wantReceive&&(transceiver.rtpReceiver=new window.RTCRtpReceiver(transceiver.dtlsTransport,kind)),transceiver.localCapabilities=localCapabilities,transceiver.sendEncodingParameters=sendEncodingParameters})),"max-compat"!==pc._config.bundlePolicy&&(sdp+="a=group:BUNDLE "+pc.transceivers.map((function(t){return t.mid})).join(" ")+"\r\n"),sdp+="a=ice-options:trickle\r\n",pc.transceivers.forEach((function(transceiver,sdpMLineIndex){sdp+=writeMediaSection(transceiver,transceiver.localCapabilities,"offer",transceiver.stream,pc._dtlsRole),sdp+="a=rtcp-rsize\r\n",!transceiver.iceGatherer||"new"===pc.iceGatheringState||0!==sdpMLineIndex&&pc.usingBundle||(transceiver.iceGatherer.getLocalCandidates().forEach((function(cand){cand.component=1,sdp+="a="+SDPUtils.writeCandidate(cand)+"\r\n"})),"completed"===transceiver.iceGatherer.state&&(sdp+="a=end-of-candidates\r\n"))}));var desc=new window.RTCSessionDescription({type:"offer",sdp:sdp});return Promise.resolve(desc)},RTCPeerConnection.prototype.createAnswer=function(){var pc=this;if(pc._isClosed)return Promise.reject(makeError("InvalidStateError","Can not call createAnswer after close"));if("have-remote-offer"!==pc.signalingState&&"have-local-pranswer"!==pc.signalingState)return Promise.reject(makeError("InvalidStateError","Can not call createAnswer in signalingState "+pc.signalingState));var sdp=SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,pc._sdpSessionVersion++);pc.usingBundle&&(sdp+="a=group:BUNDLE "+pc.transceivers.map((function(t){return t.mid})).join(" ")+"\r\n"),sdp+="a=ice-options:trickle\r\n";var mediaSectionsInOffer=SDPUtils.getMediaSections(pc._remoteDescription.sdp).length;pc.transceivers.forEach((function(transceiver,sdpMLineIndex){if(!(sdpMLineIndex+1>mediaSectionsInOffer)){if(transceiver.rejected)return"application"===transceiver.kind?"DTLS/SCTP"===transceiver.protocol?sdp+="m=application 0 DTLS/SCTP 5000\r\n":sdp+="m=application 0 "+transceiver.protocol+" webrtc-datachannel\r\n":"audio"===transceiver.kind?sdp+="m=audio 0 UDP/TLS/RTP/SAVPF 0\r\na=rtpmap:0 PCMU/8000\r\n":"video"===transceiver.kind&&(sdp+="m=video 0 UDP/TLS/RTP/SAVPF 120\r\na=rtpmap:120 VP8/90000\r\n"),void(sdp+="c=IN IP4 0.0.0.0\r\na=inactive\r\na=mid:"+transceiver.mid+"\r\n");var localTrack;if(transceiver.stream)"audio"===transceiver.kind?localTrack=transceiver.stream.getAudioTracks()[0]:"video"===transceiver.kind&&(localTrack=transceiver.stream.getVideoTracks()[0]),localTrack&&edgeVersion>=15019&&"video"===transceiver.kind&&!transceiver.sendEncodingParameters[0].rtx&&(transceiver.sendEncodingParameters[0].rtx={ssrc:transceiver.sendEncodingParameters[0].ssrc+1});var commonCapabilities=getCommonCapabilities(transceiver.localCapabilities,transceiver.remoteCapabilities);!commonCapabilities.codecs.filter((function(c){return"rtx"===c.name.toLowerCase()})).length&&transceiver.sendEncodingParameters[0].rtx&&delete transceiver.sendEncodingParameters[0].rtx,sdp+=writeMediaSection(transceiver,commonCapabilities,"answer",transceiver.stream,pc._dtlsRole),transceiver.rtcpParameters&&transceiver.rtcpParameters.reducedSize&&(sdp+="a=rtcp-rsize\r\n")}}));var desc=new window.RTCSessionDescription({type:"answer",sdp:sdp});return Promise.resolve(desc)},RTCPeerConnection.prototype.addIceCandidate=function(candidate){var sections,pc=this;return candidate&&void 0===candidate.sdpMLineIndex&&!candidate.sdpMid?Promise.reject(new TypeError("sdpMLineIndex or sdpMid required")):new Promise((function(resolve,reject){if(!pc._remoteDescription)return reject(makeError("InvalidStateError","Can not add ICE candidate without a remote description"));if(candidate&&""!==candidate.candidate){var sdpMLineIndex=candidate.sdpMLineIndex;if(candidate.sdpMid)for(var i=0;i<pc.transceivers.length;i++)if(pc.transceivers[i].mid===candidate.sdpMid){sdpMLineIndex=i;break}var transceiver=pc.transceivers[sdpMLineIndex];if(!transceiver)return reject(makeError("OperationError","Can not add ICE candidate"));if(transceiver.rejected)return resolve();var cand=Object.keys(candidate.candidate).length>0?SDPUtils.parseCandidate(candidate.candidate):{};if("tcp"===cand.protocol&&(0===cand.port||9===cand.port))return resolve();if(cand.component&&1!==cand.component)return resolve();if((0===sdpMLineIndex||sdpMLineIndex>0&&transceiver.iceTransport!==pc.transceivers[0].iceTransport)&&!maybeAddCandidate(transceiver.iceTransport,cand))return reject(makeError("OperationError","Can not add ICE candidate"));var candidateString=candidate.candidate.trim();0===candidateString.indexOf("a=")&&(candidateString=candidateString.substr(2)),(sections=SDPUtils.getMediaSections(pc._remoteDescription.sdp))[sdpMLineIndex]+="a="+(cand.type?candidateString:"end-of-candidates")+"\r\n",pc._remoteDescription.sdp=SDPUtils.getDescription(pc._remoteDescription.sdp)+sections.join("")}else for(var j=0;j<pc.transceivers.length&&(pc.transceivers[j].rejected||(pc.transceivers[j].iceTransport.addRemoteCandidate({}),(sections=SDPUtils.getMediaSections(pc._remoteDescription.sdp))[j]+="a=end-of-candidates\r\n",pc._remoteDescription.sdp=SDPUtils.getDescription(pc._remoteDescription.sdp)+sections.join(""),!pc.usingBundle));j++);resolve()}))},RTCPeerConnection.prototype.getStats=function(selector){if(selector&&selector instanceof window.MediaStreamTrack){var senderOrReceiver=null;if(this.transceivers.forEach((function(transceiver){transceiver.rtpSender&&transceiver.rtpSender.track===selector?senderOrReceiver=transceiver.rtpSender:transceiver.rtpReceiver&&transceiver.rtpReceiver.track===selector&&(senderOrReceiver=transceiver.rtpReceiver)})),!senderOrReceiver)throw makeError("InvalidAccessError","Invalid selector.");return senderOrReceiver.getStats()}var promises=[];return this.transceivers.forEach((function(transceiver){["rtpSender","rtpReceiver","iceGatherer","iceTransport","dtlsTransport"].forEach((function(method){transceiver[method]&&promises.push(transceiver[method].getStats())}))})),Promise.all(promises).then((function(allStats){var results=new Map;return allStats.forEach((function(stats){stats.forEach((function(stat){results.set(stat.id,stat)}))})),results}))};["RTCRtpSender","RTCRtpReceiver","RTCIceGatherer","RTCIceTransport","RTCDtlsTransport"].forEach((function(ortcObjectName){var obj=window[ortcObjectName];if(obj&&obj.prototype&&obj.prototype.getStats){var nativeGetstats=obj.prototype.getStats;obj.prototype.getStats=function(){return nativeGetstats.apply(this).then((function(nativeStats){var mapStats=new Map;return Object.keys(nativeStats).forEach((function(id){var stat;nativeStats[id].type={inboundrtp:"inbound-rtp",outboundrtp:"outbound-rtp",candidatepair:"candidate-pair",localcandidate:"local-candidate",remotecandidate:"remote-candidate"}[(stat=nativeStats[id]).type]||stat.type,mapStats.set(id,nativeStats[id])})),mapStats}))}}}));var methods=["createOffer","createAnswer"];return methods.forEach((function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;return"function"==typeof args[0]||"function"==typeof args[1]?nativeMethod.apply(this,[arguments[2]]).then((function(description){"function"==typeof args[0]&&args[0].apply(null,[description])}),(function(error){"function"==typeof args[1]&&args[1].apply(null,[error])})):nativeMethod.apply(this,arguments)}})),(methods=["setLocalDescription","setRemoteDescription","addIceCandidate"]).forEach((function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;return"function"==typeof args[1]||"function"==typeof args[2]?nativeMethod.apply(this,arguments).then((function(){"function"==typeof args[1]&&args[1].apply(null)}),(function(error){"function"==typeof args[2]&&args[2].apply(null,[error])})):nativeMethod.apply(this,arguments)}})),["getStats"].forEach((function(method){var nativeMethod=RTCPeerConnection.prototype[method];RTCPeerConnection.prototype[method]=function(){var args=arguments;return"function"==typeof args[1]?nativeMethod.apply(this,arguments).then((function(){"function"==typeof args[1]&&args[1].apply(null)})):nativeMethod.apply(this,arguments)}})),RTCPeerConnection}},{sdp:17}],17:[function(require,module,exports){var SDPUtils={generateIdentifier:function(){return Math.random().toString(36).substr(2,10)}};SDPUtils.localCName=SDPUtils.generateIdentifier(),SDPUtils.splitLines=function(blob){return blob.trim().split("\n").map((function(line){return line.trim()}))},SDPUtils.splitSections=function(blob){return blob.split("\nm=").map((function(part,index){return(index>0?"m="+part:part).trim()+"\r\n"}))},SDPUtils.getDescription=function(blob){var sections=SDPUtils.splitSections(blob);return sections&&sections[0]},SDPUtils.getMediaSections=function(blob){var sections=SDPUtils.splitSections(blob);return sections.shift(),sections},SDPUtils.matchPrefix=function(blob,prefix){return SDPUtils.splitLines(blob).filter((function(line){return 0===line.indexOf(prefix)}))},SDPUtils.parseCandidate=function(line){for(var parts,candidate={foundation:(parts=0===line.indexOf("a=candidate:")?line.substring(12).split(" "):line.substring(10).split(" "))[0],component:parseInt(parts[1],10),protocol:parts[2].toLowerCase(),priority:parseInt(parts[3],10),ip:parts[4],address:parts[4],port:parseInt(parts[5],10),type:parts[7]},i=8;i<parts.length;i+=2)switch(parts[i]){case"raddr":candidate.relatedAddress=parts[i+1];break;case"rport":candidate.relatedPort=parseInt(parts[i+1],10);break;case"tcptype":candidate.tcpType=parts[i+1];break;case"ufrag":candidate.ufrag=parts[i+1],candidate.usernameFragment=parts[i+1];break;default:candidate[parts[i]]=parts[i+1]}return candidate},SDPUtils.writeCandidate=function(candidate){var sdp=[];sdp.push(candidate.foundation),sdp.push(candidate.component),sdp.push(candidate.protocol.toUpperCase()),sdp.push(candidate.priority),sdp.push(candidate.address||candidate.ip),sdp.push(candidate.port);var type=candidate.type;return sdp.push("typ"),sdp.push(type),"host"!==type&&candidate.relatedAddress&&candidate.relatedPort&&(sdp.push("raddr"),sdp.push(candidate.relatedAddress),sdp.push("rport"),sdp.push(candidate.relatedPort)),candidate.tcpType&&"tcp"===candidate.protocol.toLowerCase()&&(sdp.push("tcptype"),sdp.push(candidate.tcpType)),(candidate.usernameFragment||candidate.ufrag)&&(sdp.push("ufrag"),sdp.push(candidate.usernameFragment||candidate.ufrag)),"candidate:"+sdp.join(" ")},SDPUtils.parseIceOptions=function(line){return line.substr(14).split(" ")},SDPUtils.parseRtpMap=function(line){var parts=line.substr(9).split(" "),parsed={payloadType:parseInt(parts.shift(),10)};return parts=parts[0].split("/"),parsed.name=parts[0],parsed.clockRate=parseInt(parts[1],10),parsed.channels=3===parts.length?parseInt(parts[2],10):1,parsed.numChannels=parsed.channels,parsed},SDPUtils.writeRtpMap=function(codec){var pt=codec.payloadType;void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType);var channels=codec.channels||codec.numChannels||1;return"a=rtpmap:"+pt+" "+codec.name+"/"+codec.clockRate+(1!==channels?"/"+channels:"")+"\r\n"},SDPUtils.parseExtmap=function(line){var parts=line.substr(9).split(" ");return{id:parseInt(parts[0],10),direction:parts[0].indexOf("/")>0?parts[0].split("/")[1]:"sendrecv",uri:parts[1]}},SDPUtils.writeExtmap=function(headerExtension){return"a=extmap:"+(headerExtension.id||headerExtension.preferredId)+(headerExtension.direction&&"sendrecv"!==headerExtension.direction?"/"+headerExtension.direction:"")+" "+headerExtension.uri+"\r\n"},SDPUtils.parseFmtp=function(line){for(var kv,parsed={},parts=line.substr(line.indexOf(" ")+1).split(";"),j=0;j<parts.length;j++)parsed[(kv=parts[j].trim().split("="))[0].trim()]=kv[1];return parsed},SDPUtils.writeFmtp=function(codec){var line="",pt=codec.payloadType;if(void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.parameters&&Object.keys(codec.parameters).length){var params=[];Object.keys(codec.parameters).forEach((function(param){codec.parameters[param]?params.push(param+"="+codec.parameters[param]):params.push(param)})),line+="a=fmtp:"+pt+" "+params.join(";")+"\r\n"}return line},SDPUtils.parseRtcpFb=function(line){var parts=line.substr(line.indexOf(" ")+1).split(" ");return{type:parts.shift(),parameter:parts.join(" ")}},SDPUtils.writeRtcpFb=function(codec){var lines="",pt=codec.payloadType;return void 0!==codec.preferredPayloadType&&(pt=codec.preferredPayloadType),codec.rtcpFeedback&&codec.rtcpFeedback.length&&codec.rtcpFeedback.forEach((function(fb){lines+="a=rtcp-fb:"+pt+" "+fb.type+(fb.parameter&&fb.parameter.length?" "+fb.parameter:"")+"\r\n"})),lines},SDPUtils.parseSsrcMedia=function(line){var sp=line.indexOf(" "),parts={ssrc:parseInt(line.substr(7,sp-7),10)},colon=line.indexOf(":",sp);return colon>-1?(parts.attribute=line.substr(sp+1,colon-sp-1),parts.value=line.substr(colon+1)):parts.attribute=line.substr(sp+1),parts},SDPUtils.parseSsrcGroup=function(line){var parts=line.substr(13).split(" ");return{semantics:parts.shift(),ssrcs:parts.map((function(ssrc){return parseInt(ssrc,10)}))}},SDPUtils.getMid=function(mediaSection){var mid=SDPUtils.matchPrefix(mediaSection,"a=mid:")[0];if(mid)return mid.substr(6)},SDPUtils.parseFingerprint=function(line){var parts=line.substr(14).split(" ");return{algorithm:parts[0].toLowerCase(),value:parts[1]}},SDPUtils.getDtlsParameters=function(mediaSection,sessionpart){return{role:"auto",fingerprints:SDPUtils.matchPrefix(mediaSection+sessionpart,"a=fingerprint:").map(SDPUtils.parseFingerprint)}},SDPUtils.writeDtlsParameters=function(params,setupType){var sdp="a=setup:"+setupType+"\r\n";return params.fingerprints.forEach((function(fp){sdp+="a=fingerprint:"+fp.algorithm+" "+fp.value+"\r\n"})),sdp},SDPUtils.getIceParameters=function(mediaSection,sessionpart){var lines=SDPUtils.splitLines(mediaSection);return{usernameFragment:(lines=lines.concat(SDPUtils.splitLines(sessionpart))).filter((function(line){return 0===line.indexOf("a=ice-ufrag:")}))[0].substr(12),password:lines.filter((function(line){return 0===line.indexOf("a=ice-pwd:")}))[0].substr(10)}},SDPUtils.writeIceParameters=function(params){return"a=ice-ufrag:"+params.usernameFragment+"\r\na=ice-pwd:"+params.password+"\r\n"},SDPUtils.parseRtpParameters=function(mediaSection){for(var description={codecs:[],headerExtensions:[],fecMechanisms:[],rtcp:[]},mline=SDPUtils.splitLines(mediaSection)[0].split(" "),i=3;i<mline.length;i++){var pt=mline[i],rtpmapline=SDPUtils.matchPrefix(mediaSection,"a=rtpmap:"+pt+" ")[0];if(rtpmapline){var codec=SDPUtils.parseRtpMap(rtpmapline),fmtps=SDPUtils.matchPrefix(mediaSection,"a=fmtp:"+pt+" ");switch(codec.parameters=fmtps.length?SDPUtils.parseFmtp(fmtps[0]):{},codec.rtcpFeedback=SDPUtils.matchPrefix(mediaSection,"a=rtcp-fb:"+pt+" ").map(SDPUtils.parseRtcpFb),description.codecs.push(codec),codec.name.toUpperCase()){case"RED":case"ULPFEC":description.fecMechanisms.push(codec.name.toUpperCase())}}}return SDPUtils.matchPrefix(mediaSection,"a=extmap:").forEach((function(line){description.headerExtensions.push(SDPUtils.parseExtmap(line))})),description},SDPUtils.writeRtpDescription=function(kind,caps){var sdp="";sdp+="m="+kind+" ",sdp+=caps.codecs.length>0?"9":"0",sdp+=" UDP/TLS/RTP/SAVPF ",sdp+=caps.codecs.map((function(codec){return void 0!==codec.preferredPayloadType?codec.preferredPayloadType:codec.payloadType})).join(" ")+"\r\n",sdp+="c=IN IP4 0.0.0.0\r\n",sdp+="a=rtcp:9 IN IP4 0.0.0.0\r\n",caps.codecs.forEach((function(codec){sdp+=SDPUtils.writeRtpMap(codec),sdp+=SDPUtils.writeFmtp(codec),sdp+=SDPUtils.writeRtcpFb(codec)}));var maxptime=0;return caps.codecs.forEach((function(codec){codec.maxptime>maxptime&&(maxptime=codec.maxptime)})),maxptime>0&&(sdp+="a=maxptime:"+maxptime+"\r\n"),sdp+="a=rtcp-mux\r\n",caps.headerExtensions&&caps.headerExtensions.forEach((function(extension){sdp+=SDPUtils.writeExtmap(extension)})),sdp},SDPUtils.parseRtpEncodingParameters=function(mediaSection){var secondarySsrc,encodingParameters=[],description=SDPUtils.parseRtpParameters(mediaSection),hasRed=-1!==description.fecMechanisms.indexOf("RED"),hasUlpfec=-1!==description.fecMechanisms.indexOf("ULPFEC"),ssrcs=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map((function(line){return SDPUtils.parseSsrcMedia(line)})).filter((function(parts){return"cname"===parts.attribute})),primarySsrc=ssrcs.length>0&&ssrcs[0].ssrc,flows=SDPUtils.matchPrefix(mediaSection,"a=ssrc-group:FID").map((function(line){return line.substr(17).split(" ").map((function(part){return parseInt(part,10)}))}));flows.length>0&&flows[0].length>1&&flows[0][0]===primarySsrc&&(secondarySsrc=flows[0][1]),description.codecs.forEach((function(codec){if("RTX"===codec.name.toUpperCase()&&codec.parameters.apt){var encParam={ssrc:primarySsrc,codecPayloadType:parseInt(codec.parameters.apt,10)};primarySsrc&&secondarySsrc&&(encParam.rtx={ssrc:secondarySsrc}),encodingParameters.push(encParam),hasRed&&((encParam=JSON.parse(JSON.stringify(encParam))).fec={ssrc:primarySsrc,mechanism:hasUlpfec?"red+ulpfec":"red"},encodingParameters.push(encParam))}})),0===encodingParameters.length&&primarySsrc&&encodingParameters.push({ssrc:primarySsrc});var bandwidth=SDPUtils.matchPrefix(mediaSection,"b=");return bandwidth.length&&(bandwidth=0===bandwidth[0].indexOf("b=TIAS:")?parseInt(bandwidth[0].substr(7),10):0===bandwidth[0].indexOf("b=AS:")?1e3*parseInt(bandwidth[0].substr(5),10)*.95-16e3:void 0,encodingParameters.forEach((function(params){params.maxBitrate=bandwidth}))),encodingParameters},SDPUtils.parseRtcpParameters=function(mediaSection){var rtcpParameters={},remoteSsrc=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map((function(line){return SDPUtils.parseSsrcMedia(line)})).filter((function(obj){return"cname"===obj.attribute}))[0];remoteSsrc&&(rtcpParameters.cname=remoteSsrc.value,rtcpParameters.ssrc=remoteSsrc.ssrc);var rsize=SDPUtils.matchPrefix(mediaSection,"a=rtcp-rsize");rtcpParameters.reducedSize=rsize.length>0,rtcpParameters.compound=0===rsize.length;var mux=SDPUtils.matchPrefix(mediaSection,"a=rtcp-mux");return rtcpParameters.mux=mux.length>0,rtcpParameters},SDPUtils.parseMsid=function(mediaSection){var parts,spec=SDPUtils.matchPrefix(mediaSection,"a=msid:");if(1===spec.length)return{stream:(parts=spec[0].substr(7).split(" "))[0],track:parts[1]};var planB=SDPUtils.matchPrefix(mediaSection,"a=ssrc:").map((function(line){return SDPUtils.parseSsrcMedia(line)})).filter((function(msidParts){return"msid"===msidParts.attribute}));return planB.length>0?{stream:(parts=planB[0].value.split(" "))[0],track:parts[1]}:void 0},SDPUtils.parseSctpDescription=function(mediaSection){var maxMessageSize,mline=SDPUtils.parseMLine(mediaSection),maxSizeLine=SDPUtils.matchPrefix(mediaSection,"a=max-message-size:");maxSizeLine.length>0&&(maxMessageSize=parseInt(maxSizeLine[0].substr(19),10)),isNaN(maxMessageSize)&&(maxMessageSize=65536);var sctpPort=SDPUtils.matchPrefix(mediaSection,"a=sctp-port:");if(sctpPort.length>0)return{port:parseInt(sctpPort[0].substr(12),10),protocol:mline.fmt,maxMessageSize:maxMessageSize};if(SDPUtils.matchPrefix(mediaSection,"a=sctpmap:").length>0){var parts=SDPUtils.matchPrefix(mediaSection,"a=sctpmap:")[0].substr(10).split(" ");return{port:parseInt(parts[0],10),protocol:parts[1],maxMessageSize:maxMessageSize}}},SDPUtils.writeSctpDescription=function(media,sctp){var output=[];return output="DTLS/SCTP"!==media.protocol?["m="+media.kind+" 9 "+media.protocol+" "+sctp.protocol+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctp-port:"+sctp.port+"\r\n"]:["m="+media.kind+" 9 "+media.protocol+" "+sctp.port+"\r\n","c=IN IP4 0.0.0.0\r\n","a=sctpmap:"+sctp.port+" "+sctp.protocol+" 65535\r\n"],void 0!==sctp.maxMessageSize&&output.push("a=max-message-size:"+sctp.maxMessageSize+"\r\n"),output.join("")},SDPUtils.generateSessionId=function(){return Math.random().toString().substr(2,21)},SDPUtils.writeSessionBoilerplate=function(sessId,sessVer,sessUser){var version=void 0!==sessVer?sessVer:2;return"v=0\r\no="+(sessUser||"thisisadapterortc")+" "+(sessId||SDPUtils.generateSessionId())+" "+version+" IN IP4 127.0.0.1\r\ns=-\r\nt=0 0\r\n"},SDPUtils.writeMediaSection=function(transceiver,caps,type,stream){var sdp=SDPUtils.writeRtpDescription(transceiver.kind,caps);if(sdp+=SDPUtils.writeIceParameters(transceiver.iceGatherer.getLocalParameters()),sdp+=SDPUtils.writeDtlsParameters(transceiver.dtlsTransport.getLocalParameters(),"offer"===type?"actpass":"active"),sdp+="a=mid:"+transceiver.mid+"\r\n",transceiver.direction?sdp+="a="+transceiver.direction+"\r\n":transceiver.rtpSender&&transceiver.rtpReceiver?sdp+="a=sendrecv\r\n":transceiver.rtpSender?sdp+="a=sendonly\r\n":transceiver.rtpReceiver?sdp+="a=recvonly\r\n":sdp+="a=inactive\r\n",transceiver.rtpSender){var msid="msid:"+stream.id+" "+transceiver.rtpSender.track.id+"\r\n";sdp+="a="+msid,sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" "+msid,transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" "+msid,sdp+="a=ssrc-group:FID "+transceiver.sendEncodingParameters[0].ssrc+" "+transceiver.sendEncodingParameters[0].rtx.ssrc+"\r\n")}return sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].ssrc+" cname:"+SDPUtils.localCName+"\r\n",transceiver.rtpSender&&transceiver.sendEncodingParameters[0].rtx&&(sdp+="a=ssrc:"+transceiver.sendEncodingParameters[0].rtx.ssrc+" cname:"+SDPUtils.localCName+"\r\n"),sdp},SDPUtils.getDirection=function(mediaSection,sessionpart){for(var lines=SDPUtils.splitLines(mediaSection),i=0;i<lines.length;i++)switch(lines[i]){case"a=sendrecv":case"a=sendonly":case"a=recvonly":case"a=inactive":return lines[i].substr(2)}return sessionpart?SDPUtils.getDirection(sessionpart):"sendrecv"},SDPUtils.getKind=function(mediaSection){return SDPUtils.splitLines(mediaSection)[0].split(" ")[0].substr(2)},SDPUtils.isRejected=function(mediaSection){return"0"===mediaSection.split(" ",2)[1]},SDPUtils.parseMLine=function(mediaSection){var parts=SDPUtils.splitLines(mediaSection)[0].substr(2).split(" ");return{kind:parts[0],port:parseInt(parts[1],10),protocol:parts[2],fmt:parts.slice(3).join(" ")}},SDPUtils.parseOLine=function(mediaSection){var parts=SDPUtils.matchPrefix(mediaSection,"o=")[0].substr(2).split(" ");return{username:parts[0],sessionId:parts[1],sessionVersion:parseInt(parts[2],10),netType:parts[3],addressType:parts[4],address:parts[5]}},SDPUtils.isValidSDP=function(blob){if("string"!=typeof blob||0===blob.length)return!1;for(var lines=SDPUtils.splitLines(blob),i=0;i<lines.length;i++)if(lines[i].length<2||"="!==lines[i].charAt(1))return!1;return!0},"object"===_typeof2(module)&&(module.exports=SDPUtils)},{}]},{},[1])(1)}));
+
+//# sourceMappingURL=adapter.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/adapter.min.js.map b/lib/amd/build/adapter.min.js.map
index 82cc43b2d4f..52c55ce7c80 100644
--- a/lib/amd/build/adapter.min.js.map
+++ b/lib/amd/build/adapter.min.js.map
@@ -1 +1 @@
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* Description of import/upgrade into Moodle:\n *\n * 1. Visit https://github.com/webrtc/adapter/releases.\n * 2. Check if the version has been updated from what is listed in lib/thirdpartylibs.xml in the Moodle wwwroot.\n * 3. If it has -\n *    1. Download the source code.\n *    2. Copy the content of the file release/adapter.js from the archive (ignore the first line).\n *    3. Replace the content below \"return (function e(t,n,r) ..\" in this file with the content you copied.\n *    4. Ensure to update lib/thirdpartylibs.xml with any changes.\n */\n\n// ESLint directives.\n/* eslint-disable */\n\n// JSHint directives.\n/* jshint ignore:start */\n\ndefine([], function() {\nreturn (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n\n'use strict';\n\nvar _adapter_factory = require('./adapter_factory.js');\n\nvar adapter = (0, _adapter_factory.adapterFactory)({ window: window });\nmodule.exports = adapter; // this is the difference from adapter_core.\n\n},{\"./adapter_factory.js\":2}],2:[function(require,module,exports){\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.adapterFactory = adapterFactory;\n\nvar _utils = require('./utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nvar _chrome_shim = require('./chrome/chrome_shim');\n\nvar chromeShim = _interopRequireWildcard(_chrome_shim);\n\nvar _edge_shim = require('./edge/edge_shim');\n\nvar edgeShim = _interopRequireWildcard(_edge_shim);\n\nvar _firefox_shim = require('./firefox/firefox_shim');\n\nvar firefoxShim = _interopRequireWildcard(_firefox_shim);\n\nvar _safari_shim = require('./safari/safari_shim');\n\nvar safariShim = _interopRequireWildcard(_safari_shim);\n\nvar _common_shim = require('./common_shim');\n\nvar commonShim = _interopRequireWildcard(_common_shim);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\n// Shimming starts here.\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\nfunction adapterFactory() {\n  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n      window = _ref.window;\n\n  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n    shimChrome: true,\n    shimFirefox: true,\n    shimEdge: true,\n    shimSafari: true\n  };\n\n  // Utils.\n  var logging = utils.log;\n  var browserDetails = utils.detectBrowser(window);\n\n  var adapter = {\n    browserDetails: browserDetails,\n    commonShim: commonShim,\n    extractVersion: utils.extractVersion,\n    disableLog: utils.disableLog,\n    disableWarnings: utils.disableWarnings\n  };\n\n  // Shim browser if found.\n  switch (browserDetails.browser) {\n    case 'chrome':\n      if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {\n        logging('Chrome shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming chrome.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = chromeShim;\n\n      chromeShim.shimGetUserMedia(window);\n      chromeShim.shimMediaStream(window);\n      chromeShim.shimPeerConnection(window);\n      chromeShim.shimOnTrack(window);\n      chromeShim.shimAddTrackRemoveTrack(window);\n      chromeShim.shimGetSendersWithDtmf(window);\n      chromeShim.shimGetStats(window);\n      chromeShim.shimSenderReceiverGetStats(window);\n      chromeShim.fixNegotiationNeeded(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimConnectionState(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      commonShim.removeAllowExtmapMixed(window);\n      break;\n    case 'firefox':\n      if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {\n        logging('Firefox shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming firefox.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = firefoxShim;\n\n      firefoxShim.shimGetUserMedia(window);\n      firefoxShim.shimPeerConnection(window);\n      firefoxShim.shimOnTrack(window);\n      firefoxShim.shimRemoveStream(window);\n      firefoxShim.shimSenderGetStats(window);\n      firefoxShim.shimReceiverGetStats(window);\n      firefoxShim.shimRTCDataChannel(window);\n      firefoxShim.shimAddTransceiver(window);\n      firefoxShim.shimCreateOffer(window);\n      firefoxShim.shimCreateAnswer(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimConnectionState(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      break;\n    case 'edge':\n      if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {\n        logging('MS edge shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming edge.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = edgeShim;\n\n      edgeShim.shimGetUserMedia(window);\n      edgeShim.shimGetDisplayMedia(window);\n      edgeShim.shimPeerConnection(window);\n      edgeShim.shimReplaceTrack(window);\n\n      // the edge shim implements the full RTCIceCandidate object.\n\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      break;\n    case 'safari':\n      if (!safariShim || !options.shimSafari) {\n        logging('Safari shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming safari.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = safariShim;\n\n      safariShim.shimRTCIceServerUrls(window);\n      safariShim.shimCreateOfferLegacy(window);\n      safariShim.shimCallbacksAPI(window);\n      safariShim.shimLocalStreamsAPI(window);\n      safariShim.shimRemoteStreamsAPI(window);\n      safariShim.shimTrackEventTransceiver(window);\n      safariShim.shimGetUserMedia(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      commonShim.removeAllowExtmapMixed(window);\n      break;\n    default:\n      logging('Unsupported browser!');\n      break;\n  }\n\n  return adapter;\n}\n\n// Browser shims.\n\n},{\"./chrome/chrome_shim\":3,\"./common_shim\":6,\"./edge/edge_shim\":7,\"./firefox/firefox_shim\":11,\"./safari/safari_shim\":14,\"./utils\":15}],3:[function(require,module,exports){\n\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimMediaStream = shimMediaStream;\nexports.shimOnTrack = shimOnTrack;\nexports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;\nexports.shimGetStats = shimGetStats;\nexports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;\nexports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;\nexports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;\nexports.shimPeerConnection = shimPeerConnection;\nexports.fixNegotiationNeeded = fixNegotiationNeeded;\n\nvar _utils = require('../utils.js');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction shimMediaStream(window) {\n  window.MediaStream = window.MediaStream || window.webkitMediaStream;\n}\n\nfunction shimOnTrack(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {\n      get: function get() {\n        return this._ontrack;\n      },\n      set: function set(f) {\n        if (this._ontrack) {\n          this.removeEventListener('track', this._ontrack);\n        }\n        this.addEventListener('track', this._ontrack = f);\n      },\n\n      enumerable: true,\n      configurable: true\n    });\n    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n      var _this = this;\n\n      if (!this._ontrackpoly) {\n        this._ontrackpoly = function (e) {\n          // onaddstream does not fire when a track is added to an existing\n          // stream. But stream.onaddtrack is implemented so we use that.\n          e.stream.addEventListener('addtrack', function (te) {\n            var receiver = void 0;\n            if (window.RTCPeerConnection.prototype.getReceivers) {\n              receiver = _this.getReceivers().find(function (r) {\n                return r.track && r.track.id === te.track.id;\n              });\n            } else {\n              receiver = { track: te.track };\n            }\n\n            var event = new Event('track');\n            event.track = te.track;\n            event.receiver = receiver;\n            event.transceiver = { receiver: receiver };\n            event.streams = [e.stream];\n            _this.dispatchEvent(event);\n          });\n          e.stream.getTracks().forEach(function (track) {\n            var receiver = void 0;\n            if (window.RTCPeerConnection.prototype.getReceivers) {\n              receiver = _this.getReceivers().find(function (r) {\n                return r.track && r.track.id === track.id;\n              });\n            } else {\n              receiver = { track: track };\n            }\n            var event = new Event('track');\n            event.track = track;\n            event.receiver = receiver;\n            event.transceiver = { receiver: receiver };\n            event.streams = [e.stream];\n            _this.dispatchEvent(event);\n          });\n        };\n        this.addEventListener('addstream', this._ontrackpoly);\n      }\n      return origSetRemoteDescription.apply(this, arguments);\n    };\n  } else {\n    // even if RTCRtpTransceiver is in window, it is only used and\n    // emitted in unified-plan. Unfortunately this means we need\n    // to unconditionally wrap the event.\n    utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n      if (!e.transceiver) {\n        Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } });\n      }\n      return e;\n    });\n  }\n}\n\nfunction shimGetSendersWithDtmf(window) {\n  // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {\n    var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) {\n      return {\n        track: track,\n        get dtmf() {\n          if (this._dtmf === undefined) {\n            if (track.kind === 'audio') {\n              this._dtmf = pc.createDTMFSender(track);\n            } else {\n              this._dtmf = null;\n            }\n          }\n          return this._dtmf;\n        },\n        _pc: pc\n      };\n    };\n\n    // augment addTrack when getSenders is not available.\n    if (!window.RTCPeerConnection.prototype.getSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        this._senders = this._senders || [];\n        return this._senders.slice(); // return a copy of the internal state.\n      };\n      var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n      window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n        var sender = origAddTrack.apply(this, arguments);\n        if (!sender) {\n          sender = shimSenderWithDtmf(this, track);\n          this._senders.push(sender);\n        }\n        return sender;\n      };\n\n      var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n      window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n        origRemoveTrack.apply(this, arguments);\n        var idx = this._senders.indexOf(sender);\n        if (idx !== -1) {\n          this._senders.splice(idx, 1);\n        }\n      };\n    }\n    var origAddStream = window.RTCPeerConnection.prototype.addStream;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      var _this2 = this;\n\n      this._senders = this._senders || [];\n      origAddStream.apply(this, [stream]);\n      stream.getTracks().forEach(function (track) {\n        _this2._senders.push(shimSenderWithDtmf(_this2, track));\n      });\n    };\n\n    var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n      var _this3 = this;\n\n      this._senders = this._senders || [];\n      origRemoveStream.apply(this, [stream]);\n\n      stream.getTracks().forEach(function (track) {\n        var sender = _this3._senders.find(function (s) {\n          return s.track === track;\n        });\n        if (sender) {\n          // remove sender\n          _this3._senders.splice(_this3._senders.indexOf(sender), 1);\n        }\n      });\n    };\n  } else if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {\n    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      var _this4 = this;\n\n      var senders = origGetSenders.apply(this, []);\n      senders.forEach(function (sender) {\n        return sender._pc = _this4;\n      });\n      return senders;\n    };\n\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get: function get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = this._pc.createDTMFSender(this.track);\n          } else {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n}\n\nfunction shimGetStats(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  var origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    var _this5 = this;\n\n    var _arguments = Array.prototype.slice.call(arguments),\n        selector = _arguments[0],\n        onSucc = _arguments[1],\n        onErr = _arguments[2];\n\n    // If selector is a function then we are in the old style stats so just\n    // pass back the original getStats format to avoid breaking old users.\n\n\n    if (arguments.length > 0 && typeof selector === 'function') {\n      return origGetStats.apply(this, arguments);\n    }\n\n    // When spec-style getStats is supported, return those when called with\n    // either no arguments or the selector argument is null.\n    if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== 'function')) {\n      return origGetStats.apply(this, []);\n    }\n\n    var fixChromeStats_ = function fixChromeStats_(response) {\n      var standardReport = {};\n      var reports = response.result();\n      reports.forEach(function (report) {\n        var standardStats = {\n          id: report.id,\n          timestamp: report.timestamp,\n          type: {\n            localcandidate: 'local-candidate',\n            remotecandidate: 'remote-candidate'\n          }[report.type] || report.type\n        };\n        report.names().forEach(function (name) {\n          standardStats[name] = report.stat(name);\n        });\n        standardReport[standardStats.id] = standardStats;\n      });\n\n      return standardReport;\n    };\n\n    // shim getStats with maplike support\n    var makeMapStats = function makeMapStats(stats) {\n      return new Map(Object.keys(stats).map(function (key) {\n        return [key, stats[key]];\n      }));\n    };\n\n    if (arguments.length >= 2) {\n      var successCallbackWrapper_ = function successCallbackWrapper_(response) {\n        onSucc(makeMapStats(fixChromeStats_(response)));\n      };\n\n      return origGetStats.apply(this, [successCallbackWrapper_, selector]);\n    }\n\n    // promise-support\n    return new Promise(function (resolve, reject) {\n      origGetStats.apply(_this5, [function (response) {\n        resolve(makeMapStats(fixChromeStats_(response)));\n      }, reject]);\n    }).then(onSucc, onErr);\n  };\n}\n\nfunction shimSenderReceiverGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) {\n    return;\n  }\n\n  // shim sender stats.\n  if (!('getStats' in window.RTCRtpSender.prototype)) {\n    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    if (origGetSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        var _this6 = this;\n\n        var senders = origGetSenders.apply(this, []);\n        senders.forEach(function (sender) {\n          return sender._pc = _this6;\n        });\n        return senders;\n      };\n    }\n\n    var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n    if (origAddTrack) {\n      window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n        var sender = origAddTrack.apply(this, arguments);\n        sender._pc = this;\n        return sender;\n      };\n    }\n    window.RTCRtpSender.prototype.getStats = function getStats() {\n      var sender = this;\n      return this._pc.getStats().then(function (result) {\n        return (\n          /* Note: this will include stats of all senders that\n           *   send a track with the same id as sender.track as\n           *   it is not possible to identify the RTCRtpSender.\n           */\n          utils.filterStats(result, sender.track, true)\n        );\n      });\n    };\n  }\n\n  // shim receiver stats.\n  if (!('getStats' in window.RTCRtpReceiver.prototype)) {\n    var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n    if (origGetReceivers) {\n      window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n        var _this7 = this;\n\n        var receivers = origGetReceivers.apply(this, []);\n        receivers.forEach(function (receiver) {\n          return receiver._pc = _this7;\n        });\n        return receivers;\n      };\n    }\n    utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n      e.receiver._pc = e.srcElement;\n      return e;\n    });\n    window.RTCRtpReceiver.prototype.getStats = function getStats() {\n      var receiver = this;\n      return this._pc.getStats().then(function (result) {\n        return utils.filterStats(result, receiver.track, false);\n      });\n    };\n  }\n\n  if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) {\n    return;\n  }\n\n  // shim RTCPeerConnection.getStats(track).\n  var origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {\n      var track = arguments[0];\n      var sender = void 0;\n      var receiver = void 0;\n      var err = void 0;\n      this.getSenders().forEach(function (s) {\n        if (s.track === track) {\n          if (sender) {\n            err = true;\n          } else {\n            sender = s;\n          }\n        }\n      });\n      this.getReceivers().forEach(function (r) {\n        if (r.track === track) {\n          if (receiver) {\n            err = true;\n          } else {\n            receiver = r;\n          }\n        }\n        return r.track === track;\n      });\n      if (err || sender && receiver) {\n        return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError'));\n      } else if (sender) {\n        return sender.getStats();\n      } else if (receiver) {\n        return receiver.getStats();\n      }\n      return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError'));\n    }\n    return origGetStats.apply(this, arguments);\n  };\n}\n\nfunction shimAddTrackRemoveTrackWithNative(window) {\n  // shim addTrack/removeTrack with native variants in order to make\n  // the interactions with legacy getLocalStreams behave as in other browsers.\n  // Keeps a mapping stream.id => [stream, rtpsenders...]\n  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n    var _this8 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    return Object.keys(this._shimmedLocalStreams).map(function (streamId) {\n      return _this8._shimmedLocalStreams[streamId][0];\n    });\n  };\n\n  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n    if (!stream) {\n      return origAddTrack.apply(this, arguments);\n    }\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    var sender = origAddTrack.apply(this, arguments);\n    if (!this._shimmedLocalStreams[stream.id]) {\n      this._shimmedLocalStreams[stream.id] = [stream, sender];\n    } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {\n      this._shimmedLocalStreams[stream.id].push(sender);\n    }\n    return sender;\n  };\n\n  var origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    var _this9 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    stream.getTracks().forEach(function (track) {\n      var alreadyExists = _this9.getSenders().find(function (s) {\n        return s.track === track;\n      });\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.', 'InvalidAccessError');\n      }\n    });\n    var existingSenders = this.getSenders();\n    origAddStream.apply(this, arguments);\n    var newSenders = this.getSenders().filter(function (newSender) {\n      return existingSenders.indexOf(newSender) === -1;\n    });\n    this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);\n  };\n\n  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    delete this._shimmedLocalStreams[stream.id];\n    return origRemoveStream.apply(this, arguments);\n  };\n\n  var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n    var _this10 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    if (sender) {\n      Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {\n        var idx = _this10._shimmedLocalStreams[streamId].indexOf(sender);\n        if (idx !== -1) {\n          _this10._shimmedLocalStreams[streamId].splice(idx, 1);\n        }\n        if (_this10._shimmedLocalStreams[streamId].length === 1) {\n          delete _this10._shimmedLocalStreams[streamId];\n        }\n      });\n    }\n    return origRemoveTrack.apply(this, arguments);\n  };\n}\n\nfunction shimAddTrackRemoveTrack(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n  // shim addTrack and removeTrack.\n  if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {\n    return shimAddTrackRemoveTrackWithNative(window);\n  }\n\n  // also shim pc.getLocalStreams when addTrack is shimmed\n  // to return the original streams.\n  var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;\n  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n    var _this11 = this;\n\n    var nativeStreams = origGetLocalStreams.apply(this);\n    this._reverseStreams = this._reverseStreams || {};\n    return nativeStreams.map(function (stream) {\n      return _this11._reverseStreams[stream.id];\n    });\n  };\n\n  var origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    var _this12 = this;\n\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    stream.getTracks().forEach(function (track) {\n      var alreadyExists = _this12.getSenders().find(function (s) {\n        return s.track === track;\n      });\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.', 'InvalidAccessError');\n      }\n    });\n    // Add identity mapping for consistency with addTrack.\n    // Unless this is being used with a stream from addTrack.\n    if (!this._reverseStreams[stream.id]) {\n      var newStream = new window.MediaStream(stream.getTracks());\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      stream = newStream;\n    }\n    origAddStream.apply(this, [stream]);\n  };\n\n  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    origRemoveStream.apply(this, [this._streams[stream.id] || stream]);\n    delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];\n    delete this._streams[stream.id];\n  };\n\n  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n    var _this13 = this;\n\n    if (this.signalingState === 'closed') {\n      throw new DOMException('The RTCPeerConnection\\'s signalingState is \\'closed\\'.', 'InvalidStateError');\n    }\n    var streams = [].slice.call(arguments, 1);\n    if (streams.length !== 1 || !streams[0].getTracks().find(function (t) {\n      return t === track;\n    })) {\n      // this is not fully correct but all we can manage without\n      // [[associated MediaStreams]] internal slot.\n      throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError');\n    }\n\n    var alreadyExists = this.getSenders().find(function (s) {\n      return s.track === track;\n    });\n    if (alreadyExists) {\n      throw new DOMException('Track already exists.', 'InvalidAccessError');\n    }\n\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n    var oldStream = this._streams[stream.id];\n    if (oldStream) {\n      // this is using odd Chrome behaviour, use with caution:\n      // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815\n      // Note: we rely on the high-level addTrack/dtmf shim to\n      // create the sender with a dtmf sender.\n      oldStream.addTrack(track);\n\n      // Trigger ONN async.\n      Promise.resolve().then(function () {\n        _this13.dispatchEvent(new Event('negotiationneeded'));\n      });\n    } else {\n      var newStream = new window.MediaStream([track]);\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      this.addStream(newStream);\n    }\n    return this.getSenders().find(function (s) {\n      return s.track === track;\n    });\n  };\n\n  // replace the internal stream id with the external one and\n  // vice versa.\n  function replaceInternalStreamId(pc, description) {\n    var sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {\n      var externalStream = pc._reverseStreams[internalId];\n      var internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp: sdp\n    });\n  }\n  function replaceExternalStreamId(pc, description) {\n    var sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {\n      var externalStream = pc._reverseStreams[internalId];\n      var internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp: sdp\n    });\n  }\n  ['createOffer', 'createAnswer'].forEach(function (method) {\n    var nativeMethod = window.RTCPeerConnection.prototype[method];\n    var methodObj = _defineProperty({}, method, function () {\n      var _this14 = this;\n\n      var args = arguments;\n      var isLegacyCall = arguments.length && typeof arguments[0] === 'function';\n      if (isLegacyCall) {\n        return nativeMethod.apply(this, [function (description) {\n          var desc = replaceInternalStreamId(_this14, description);\n          args[0].apply(null, [desc]);\n        }, function (err) {\n          if (args[1]) {\n            args[1].apply(null, err);\n          }\n        }, arguments[2]]);\n      }\n      return nativeMethod.apply(this, arguments).then(function (description) {\n        return replaceInternalStreamId(_this14, description);\n      });\n    });\n    window.RTCPeerConnection.prototype[method] = methodObj[method];\n  });\n\n  var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;\n  window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {\n    if (!arguments.length || !arguments[0].type) {\n      return origSetLocalDescription.apply(this, arguments);\n    }\n    arguments[0] = replaceExternalStreamId(this, arguments[0]);\n    return origSetLocalDescription.apply(this, arguments);\n  };\n\n  // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier\n\n  var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription');\n  Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', {\n    get: function get() {\n      var description = origLocalDescription.get.apply(this);\n      if (description.type === '') {\n        return description;\n      }\n      return replaceInternalStreamId(this, description);\n    }\n  });\n\n  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n    var _this15 = this;\n\n    if (this.signalingState === 'closed') {\n      throw new DOMException('The RTCPeerConnection\\'s signalingState is \\'closed\\'.', 'InvalidStateError');\n    }\n    // We can not yet check for sender instanceof RTCRtpSender\n    // since we shim RTPSender. So we check if sender._pc is set.\n    if (!sender._pc) {\n      throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError');\n    }\n    var isLocal = sender._pc === this;\n    if (!isLocal) {\n      throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError');\n    }\n\n    // Search for the native stream the senders track belongs to.\n    this._streams = this._streams || {};\n    var stream = void 0;\n    Object.keys(this._streams).forEach(function (streamid) {\n      var hasTrack = _this15._streams[streamid].getTracks().find(function (track) {\n        return sender.track === track;\n      });\n      if (hasTrack) {\n        stream = _this15._streams[streamid];\n      }\n    });\n\n    if (stream) {\n      if (stream.getTracks().length === 1) {\n        // if this is the last track of the stream, remove the stream. This\n        // takes care of any shimmed _senders.\n        this.removeStream(this._reverseStreams[stream.id]);\n      } else {\n        // relying on the same odd chrome behaviour as above.\n        stream.removeTrack(sender.track);\n      }\n      this.dispatchEvent(new Event('negotiationneeded'));\n    }\n  };\n}\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.webkitRTCPeerConnection;\n  }\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  // shim implicit creation of RTCSessionDescription/RTCIceCandidate\n  if (browserDetails.version < 53) {\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {\n      var nativeMethod = window.RTCPeerConnection.prototype[method];\n      var methodObj = _defineProperty({}, method, function () {\n        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n        return nativeMethod.apply(this, arguments);\n      });\n      window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n  }\n\n  // support for addIceCandidate(null or undefined)\n  var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n  window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n    if (!arguments[0]) {\n      if (arguments[1]) {\n        arguments[1].apply(null);\n      }\n      return Promise.resolve();\n    }\n    // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n    // in older versions. Native support planned for Chrome M77.\n    if (browserDetails.version < 78 && arguments[0] && arguments[0].candidate === '') {\n      return Promise.resolve();\n    }\n    return nativeAddIceCandidate.apply(this, arguments);\n  };\n}\n\nfunction fixNegotiationNeeded(window) {\n  utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {\n    var pc = e.target;\n    if (pc.signalingState !== 'stable') {\n      return;\n    }\n    return e;\n  });\n}\n\n},{\"../utils.js\":15,\"./getdisplaymedia\":4,\"./getusermedia\":5}],4:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window, getSourceId) {\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  // getSourceId is a function that returns a promise resolving with\n  // the sourceId of the screen/window/tab to be shared.\n  if (typeof getSourceId !== 'function') {\n    console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n    return getSourceId(constraints).then(function (sourceId) {\n      var widthSpecified = constraints.video && constraints.video.width;\n      var heightSpecified = constraints.video && constraints.video.height;\n      var frameRateSpecified = constraints.video && constraints.video.frameRate;\n      constraints.video = {\n        mandatory: {\n          chromeMediaSource: 'desktop',\n          chromeMediaSourceId: sourceId,\n          maxFrameRate: frameRateSpecified || 3\n        }\n      };\n      if (widthSpecified) {\n        constraints.video.mandatory.maxWidth = widthSpecified;\n      }\n      if (heightSpecified) {\n        constraints.video.mandatory.maxHeight = heightSpecified;\n      }\n      return window.navigator.mediaDevices.getUserMedia(constraints);\n    });\n  };\n}\n\n},{}],5:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimGetUserMedia = shimGetUserMedia;\n\nvar _utils = require('../utils.js');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nvar logging = utils.log;\n\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  if (!navigator.mediaDevices) {\n    return;\n  }\n\n  var browserDetails = utils.detectBrowser(window);\n\n  var constraintsToChrome_ = function constraintsToChrome_(c) {\n    if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) {\n      return c;\n    }\n    var cc = {};\n    Object.keys(c).forEach(function (key) {\n      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {\n        return;\n      }\n      var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] };\n      if (r.exact !== undefined && typeof r.exact === 'number') {\n        r.min = r.max = r.exact;\n      }\n      var oldname_ = function oldname_(prefix, name) {\n        if (prefix) {\n          return prefix + name.charAt(0).toUpperCase() + name.slice(1);\n        }\n        return name === 'deviceId' ? 'sourceId' : name;\n      };\n      if (r.ideal !== undefined) {\n        cc.optional = cc.optional || [];\n        var oc = {};\n        if (typeof r.ideal === 'number') {\n          oc[oldname_('min', key)] = r.ideal;\n          cc.optional.push(oc);\n          oc = {};\n          oc[oldname_('max', key)] = r.ideal;\n          cc.optional.push(oc);\n        } else {\n          oc[oldname_('', key)] = r.ideal;\n          cc.optional.push(oc);\n        }\n      }\n      if (r.exact !== undefined && typeof r.exact !== 'number') {\n        cc.mandatory = cc.mandatory || {};\n        cc.mandatory[oldname_('', key)] = r.exact;\n      } else {\n        ['min', 'max'].forEach(function (mix) {\n          if (r[mix] !== undefined) {\n            cc.mandatory = cc.mandatory || {};\n            cc.mandatory[oldname_(mix, key)] = r[mix];\n          }\n        });\n      }\n    });\n    if (c.advanced) {\n      cc.optional = (cc.optional || []).concat(c.advanced);\n    }\n    return cc;\n  };\n\n  var shimConstraints_ = function shimConstraints_(constraints, func) {\n    if (browserDetails.version >= 61) {\n      return func(constraints);\n    }\n    constraints = JSON.parse(JSON.stringify(constraints));\n    if (constraints && _typeof(constraints.audio) === 'object') {\n      var remap = function remap(obj, a, b) {\n        if (a in obj && !(b in obj)) {\n          obj[b] = obj[a];\n          delete obj[a];\n        }\n      };\n      constraints = JSON.parse(JSON.stringify(constraints));\n      remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');\n      remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');\n      constraints.audio = constraintsToChrome_(constraints.audio);\n    }\n    if (constraints && _typeof(constraints.video) === 'object') {\n      // Shim facingMode for mobile & surface pro.\n      var face = constraints.video.facingMode;\n      face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face });\n      var getSupportedFacingModeLies = browserDetails.version < 66;\n\n      if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {\n        delete constraints.video.facingMode;\n        var matches = void 0;\n        if (face.exact === 'environment' || face.ideal === 'environment') {\n          matches = ['back', 'rear'];\n        } else if (face.exact === 'user' || face.ideal === 'user') {\n          matches = ['front'];\n        }\n        if (matches) {\n          // Look for matches in label, or use last cam for back (typical).\n          return navigator.mediaDevices.enumerateDevices().then(function (devices) {\n            devices = devices.filter(function (d) {\n              return d.kind === 'videoinput';\n            });\n            var dev = devices.find(function (d) {\n              return matches.some(function (match) {\n                return d.label.toLowerCase().includes(match);\n              });\n            });\n            if (!dev && devices.length && matches.includes('back')) {\n              dev = devices[devices.length - 1]; // more likely the back cam\n            }\n            if (dev) {\n              constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId };\n            }\n            constraints.video = constraintsToChrome_(constraints.video);\n            logging('chrome: ' + JSON.stringify(constraints));\n            return func(constraints);\n          });\n        }\n      }\n      constraints.video = constraintsToChrome_(constraints.video);\n    }\n    logging('chrome: ' + JSON.stringify(constraints));\n    return func(constraints);\n  };\n\n  var shimError_ = function shimError_(e) {\n    if (browserDetails.version >= 64) {\n      return e;\n    }\n    return {\n      name: {\n        PermissionDeniedError: 'NotAllowedError',\n        PermissionDismissedError: 'NotAllowedError',\n        InvalidStateError: 'NotAllowedError',\n        DevicesNotFoundError: 'NotFoundError',\n        ConstraintNotSatisfiedError: 'OverconstrainedError',\n        TrackStartError: 'NotReadableError',\n        MediaDeviceFailedDueToShutdown: 'NotAllowedError',\n        MediaDeviceKillSwitchOn: 'NotAllowedError',\n        TabCaptureError: 'AbortError',\n        ScreenCaptureError: 'AbortError',\n        DeviceCaptureError: 'AbortError'\n      }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint || e.constraintName,\n      toString: function toString() {\n        return this.name + (this.message && ': ') + this.message;\n      }\n    };\n  };\n\n  var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) {\n    shimConstraints_(constraints, function (c) {\n      navigator.webkitGetUserMedia(c, onSuccess, function (e) {\n        if (onError) {\n          onError(shimError_(e));\n        }\n      });\n    });\n  };\n  navigator.getUserMedia = getUserMedia_.bind(navigator);\n\n  // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia\n  // function which returns a Promise, it does not accept spec-style\n  // constraints.\n  if (navigator.mediaDevices.getUserMedia) {\n    var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (cs) {\n      return shimConstraints_(cs, function (c) {\n        return origGetUserMedia(c).then(function (stream) {\n          if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {\n            stream.getTracks().forEach(function (track) {\n              track.stop();\n            });\n            throw new DOMException('', 'NotFoundError');\n          }\n          return stream;\n        }, function (e) {\n          return Promise.reject(shimError_(e));\n        });\n      });\n    };\n  }\n}\n\n},{\"../utils.js\":15}],6:[function(require,module,exports){\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimRTCIceCandidate = shimRTCIceCandidate;\nexports.shimMaxMessageSize = shimMaxMessageSize;\nexports.shimSendThrowTypeError = shimSendThrowTypeError;\nexports.shimConnectionState = shimConnectionState;\nexports.removeAllowExtmapMixed = removeAllowExtmapMixed;\n\nvar _sdp = require('sdp');\n\nvar _sdp2 = _interopRequireDefault(_sdp);\n\nvar _utils = require('./utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction shimRTCIceCandidate(window) {\n  // foundation is arbitrarily chosen as an indicator for full support for\n  // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface\n  if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {\n    return;\n  }\n\n  var NativeRTCIceCandidate = window.RTCIceCandidate;\n  window.RTCIceCandidate = function RTCIceCandidate(args) {\n    // Remove the a= which shouldn't be part of the candidate string.\n    if ((typeof args === 'undefined' ? 'undefined' : _typeof(args)) === 'object' && args.candidate && args.candidate.indexOf('a=') === 0) {\n      args = JSON.parse(JSON.stringify(args));\n      args.candidate = args.candidate.substr(2);\n    }\n\n    if (args.candidate && args.candidate.length) {\n      // Augment the native candidate with the parsed fields.\n      var nativeCandidate = new NativeRTCIceCandidate(args);\n      var parsedCandidate = _sdp2.default.parseCandidate(args.candidate);\n      var augmentedCandidate = Object.assign(nativeCandidate, parsedCandidate);\n\n      // Add a serializer that does not serialize the extra attributes.\n      augmentedCandidate.toJSON = function toJSON() {\n        return {\n          candidate: augmentedCandidate.candidate,\n          sdpMid: augmentedCandidate.sdpMid,\n          sdpMLineIndex: augmentedCandidate.sdpMLineIndex,\n          usernameFragment: augmentedCandidate.usernameFragment\n        };\n      };\n      return augmentedCandidate;\n    }\n    return new NativeRTCIceCandidate(args);\n  };\n  window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;\n\n  // Hook up the augmented candidate in onicecandidate and\n  // addEventListener('icecandidate', ...)\n  utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {\n    if (e.candidate) {\n      Object.defineProperty(e, 'candidate', {\n        value: new window.RTCIceCandidate(e.candidate),\n        writable: 'false'\n      });\n    }\n    return e;\n  });\n}\n\nfunction shimMaxMessageSize(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n\n  if (!('sctp' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {\n      get: function get() {\n        return typeof this._sctp === 'undefined' ? null : this._sctp;\n      }\n    });\n  }\n\n  var sctpInDescription = function sctpInDescription(description) {\n    if (!description || !description.sdp) {\n      return false;\n    }\n    var sections = _sdp2.default.splitSections(description.sdp);\n    sections.shift();\n    return sections.some(function (mediaSection) {\n      var mLine = _sdp2.default.parseMLine(mediaSection);\n      return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1;\n    });\n  };\n\n  var getRemoteFirefoxVersion = function getRemoteFirefoxVersion(description) {\n    // TODO: Is there a better solution for detecting Firefox?\n    var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\\d+)/);\n    if (match === null || match.length < 2) {\n      return -1;\n    }\n    var version = parseInt(match[1], 10);\n    // Test for NaN (yes, this is ugly)\n    return version !== version ? -1 : version;\n  };\n\n  var getCanSendMaxMessageSize = function getCanSendMaxMessageSize(remoteIsFirefox) {\n    // Every implementation we know can send at least 64 KiB.\n    // Note: Although Chrome is technically able to send up to 256 KiB, the\n    //       data does not reach the other peer reliably.\n    //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419\n    var canSendMaxMessageSize = 65536;\n    if (browserDetails.browser === 'firefox') {\n      if (browserDetails.version < 57) {\n        if (remoteIsFirefox === -1) {\n          // FF < 57 will send in 16 KiB chunks using the deprecated PPID\n          // fragmentation.\n          canSendMaxMessageSize = 16384;\n        } else {\n          // However, other FF (and RAWRTC) can reassemble PPID-fragmented\n          // messages. Thus, supporting ~2 GiB when sending.\n          canSendMaxMessageSize = 2147483637;\n        }\n      } else if (browserDetails.version < 60) {\n        // Currently, all FF >= 57 will reset the remote maximum message size\n        // to the default value when a data channel is created at a later\n        // stage. :(\n        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n        canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;\n      } else {\n        // FF >= 60 supports sending ~2 GiB\n        canSendMaxMessageSize = 2147483637;\n      }\n    }\n    return canSendMaxMessageSize;\n  };\n\n  var getMaxMessageSize = function getMaxMessageSize(description, remoteIsFirefox) {\n    // Note: 65536 bytes is the default value from the SDP spec. Also,\n    //       every implementation we know supports receiving 65536 bytes.\n    var maxMessageSize = 65536;\n\n    // FF 57 has a slightly incorrect default remote max message size, so\n    // we need to adjust it here to avoid a failure when sending.\n    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697\n    if (browserDetails.browser === 'firefox' && browserDetails.version === 57) {\n      maxMessageSize = 65535;\n    }\n\n    var match = _sdp2.default.matchPrefix(description.sdp, 'a=max-message-size:');\n    if (match.length > 0) {\n      maxMessageSize = parseInt(match[0].substr(19), 10);\n    } else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) {\n      // If the maximum message size is not present in the remote SDP and\n      // both local and remote are Firefox, the remote peer can receive\n      // ~2 GiB.\n      maxMessageSize = 2147483637;\n    }\n    return maxMessageSize;\n  };\n\n  var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n    this._sctp = null;\n    // Chrome decided to not expose .sctp in plan-b mode.\n    // As usual, adapter.js has to do an 'ugly worakaround'\n    // to cover up the mess.\n    if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {\n      var _getConfiguration = this.getConfiguration(),\n          sdpSemantics = _getConfiguration.sdpSemantics;\n\n      if (sdpSemantics === 'plan-b') {\n        Object.defineProperty(this, 'sctp', {\n          get: function get() {\n            return typeof this._sctp === 'undefined' ? null : this._sctp;\n          },\n\n          enumerable: true,\n          configurable: true\n        });\n      }\n    }\n\n    if (sctpInDescription(arguments[0])) {\n      // Check if the remote is FF.\n      var isFirefox = getRemoteFirefoxVersion(arguments[0]);\n\n      // Get the maximum message size the local peer is capable of sending\n      var canSendMMS = getCanSendMaxMessageSize(isFirefox);\n\n      // Get the maximum message size of the remote peer.\n      var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);\n\n      // Determine final maximum message size\n      var maxMessageSize = void 0;\n      if (canSendMMS === 0 && remoteMMS === 0) {\n        maxMessageSize = Number.POSITIVE_INFINITY;\n      } else if (canSendMMS === 0 || remoteMMS === 0) {\n        maxMessageSize = Math.max(canSendMMS, remoteMMS);\n      } else {\n        maxMessageSize = Math.min(canSendMMS, remoteMMS);\n      }\n\n      // Create a dummy RTCSctpTransport object and the 'maxMessageSize'\n      // attribute.\n      var sctp = {};\n      Object.defineProperty(sctp, 'maxMessageSize', {\n        get: function get() {\n          return maxMessageSize;\n        }\n      });\n      this._sctp = sctp;\n    }\n\n    return origSetRemoteDescription.apply(this, arguments);\n  };\n}\n\nfunction shimSendThrowTypeError(window) {\n  if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) {\n    return;\n  }\n\n  // Note: Although Firefox >= 57 has a native implementation, the maximum\n  //       message size can be reset for all data channels at a later stage.\n  //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n\n  function wrapDcSend(dc, pc) {\n    var origDataChannelSend = dc.send;\n    dc.send = function send() {\n      var data = arguments[0];\n      var length = data.length || data.size || data.byteLength;\n      if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) {\n        throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)');\n      }\n      return origDataChannelSend.apply(dc, arguments);\n    };\n  }\n  var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;\n  window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {\n    var dataChannel = origCreateDataChannel.apply(this, arguments);\n    wrapDcSend(dataChannel, this);\n    return dataChannel;\n  };\n  utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {\n    wrapDcSend(e.channel, e.target);\n    return e;\n  });\n}\n\n/* shims RTCConnectionState by pretending it is the same as iceConnectionState.\n * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12\n * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect\n * since DTLS failures would be hidden. See\n * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827\n * for the Firefox tracking bug.\n */\nfunction shimConnectionState(window) {\n  if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  var proto = window.RTCPeerConnection.prototype;\n  Object.defineProperty(proto, 'connectionState', {\n    get: function get() {\n      return {\n        completed: 'connected',\n        checking: 'connecting'\n      }[this.iceConnectionState] || this.iceConnectionState;\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n  Object.defineProperty(proto, 'onconnectionstatechange', {\n    get: function get() {\n      return this._onconnectionstatechange || null;\n    },\n    set: function set(cb) {\n      if (this._onconnectionstatechange) {\n        this.removeEventListener('connectionstatechange', this._onconnectionstatechange);\n        delete this._onconnectionstatechange;\n      }\n      if (cb) {\n        this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);\n      }\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n\n  ['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {\n    var origMethod = proto[method];\n    proto[method] = function () {\n      if (!this._connectionstatechangepoly) {\n        this._connectionstatechangepoly = function (e) {\n          var pc = e.target;\n          if (pc._lastConnectionState !== pc.connectionState) {\n            pc._lastConnectionState = pc.connectionState;\n            var newEvent = new Event('connectionstatechange', e);\n            pc.dispatchEvent(newEvent);\n          }\n          return e;\n        };\n        this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);\n      }\n      return origMethod.apply(this, arguments);\n    };\n  });\n}\n\nfunction removeAllowExtmapMixed(window) {\n  /* remove a=extmap-allow-mixed for Chrome < M71 */\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n  if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {\n    return;\n  }\n  var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {\n    if (desc && desc.sdp && desc.sdp.indexOf('\\na=extmap-allow-mixed') !== -1) {\n      desc.sdp = desc.sdp.split('\\n').filter(function (line) {\n        return line.trim() !== 'a=extmap-allow-mixed';\n      }).join('\\n');\n    }\n    return nativeSRD.apply(this, arguments);\n  };\n}\n\n},{\"./utils\":15,\"sdp\":17}],7:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimPeerConnection = shimPeerConnection;\nexports.shimReplaceTrack = shimReplaceTrack;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nvar _filtericeservers = require('./filtericeservers');\n\nvar _rtcpeerconnectionShim = require('rtcpeerconnection-shim');\n\nvar _rtcpeerconnectionShim2 = _interopRequireDefault(_rtcpeerconnectionShim);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if (window.RTCIceGatherer) {\n    if (!window.RTCIceCandidate) {\n      window.RTCIceCandidate = function RTCIceCandidate(args) {\n        return args;\n      };\n    }\n    if (!window.RTCSessionDescription) {\n      window.RTCSessionDescription = function RTCSessionDescription(args) {\n        return args;\n      };\n    }\n    // this adds an additional event listener to MediaStrackTrack that signals\n    // when a tracks enabled property was changed. Workaround for a bug in\n    // addStream, see below. No longer required in 15025+\n    if (browserDetails.version < 15025) {\n      var origMSTEnabled = Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype, 'enabled');\n      Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {\n        set: function set(value) {\n          origMSTEnabled.set.call(this, value);\n          var ev = new Event('enabled');\n          ev.enabled = value;\n          this.dispatchEvent(ev);\n        }\n      });\n    }\n  }\n\n  // ORTC defines the DTMF sender a bit different.\n  // https://github.com/w3c/ortc/issues/714\n  if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get: function get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = new window.RTCDtmfSender(this);\n          } else if (this.track.kind === 'video') {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n  // Edge currently only implements the RTCDtmfSender, not the\n  // RTCDTMFSender alias. See http://draft.ortc.org/#rtcdtmfsender2*\n  if (window.RTCDtmfSender && !window.RTCDTMFSender) {\n    window.RTCDTMFSender = window.RTCDtmfSender;\n  }\n\n  var RTCPeerConnectionShim = (0, _rtcpeerconnectionShim2.default)(window, browserDetails.version);\n  window.RTCPeerConnection = function RTCPeerConnection(config) {\n    if (config && config.iceServers) {\n      config.iceServers = (0, _filtericeservers.filterIceServers)(config.iceServers, browserDetails.version);\n      utils.log('ICE servers after filtering:', config.iceServers);\n    }\n    return new RTCPeerConnectionShim(config);\n  };\n  window.RTCPeerConnection.prototype = RTCPeerConnectionShim.prototype;\n}\n\nfunction shimReplaceTrack(window) {\n  // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614\n  if (window.RTCRtpSender && !('replaceTrack' in window.RTCRtpSender.prototype)) {\n    window.RTCRtpSender.prototype.replaceTrack = window.RTCRtpSender.prototype.setTrack;\n  }\n}\n\n},{\"../utils\":15,\"./filtericeservers\":8,\"./getdisplaymedia\":9,\"./getusermedia\":10,\"rtcpeerconnection-shim\":16}],8:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.filterIceServers = filterIceServers;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\n// Edge does not like\n// 1) stun: filtered after 14393 unless ?transport=udp is present\n// 2) turn: that does not have all of turn:host:port?transport=udp\n// 3) turn: with ipv6 addresses\n// 4) turn: occurring muliple times\nfunction filterIceServers(iceServers, edgeVersion) {\n  var hasTurn = false;\n  iceServers = JSON.parse(JSON.stringify(iceServers));\n  return iceServers.filter(function (server) {\n    if (server && (server.urls || server.url)) {\n      var urls = server.urls || server.url;\n      if (server.url && !server.urls) {\n        utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n      }\n      var isString = typeof urls === 'string';\n      if (isString) {\n        urls = [urls];\n      }\n      urls = urls.filter(function (url) {\n        // filter STUN unconditionally.\n        if (url.indexOf('stun:') === 0) {\n          return false;\n        }\n\n        var validTurn = url.startsWith('turn') && !url.startsWith('turn:[') && url.includes('transport=udp');\n        if (validTurn && !hasTurn) {\n          hasTurn = true;\n          return true;\n        }\n        return validTurn && !hasTurn;\n      });\n\n      delete server.url;\n      server.urls = isString ? urls[0] : urls;\n      return !!urls.length;\n    }\n  });\n}\n\n},{\"../utils\":15}],9:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window) {\n  if (!('getDisplayMedia' in window.navigator)) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = window.navigator.getDisplayMedia.bind(window.navigator);\n}\n\n},{}],10:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetUserMedia = shimGetUserMedia;\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  var shimError_ = function shimError_(e) {\n    return {\n      name: { PermissionDeniedError: 'NotAllowedError' }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint,\n      toString: function toString() {\n        return this.name;\n      }\n    };\n  };\n\n  // getUserMedia error shim.\n  var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n  navigator.mediaDevices.getUserMedia = function (c) {\n    return origGetUserMedia(c).catch(function (e) {\n      return Promise.reject(shimError_(e));\n    });\n  };\n}\n\n},{}],11:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimOnTrack = shimOnTrack;\nexports.shimPeerConnection = shimPeerConnection;\nexports.shimSenderGetStats = shimSenderGetStats;\nexports.shimReceiverGetStats = shimReceiverGetStats;\nexports.shimRemoveStream = shimRemoveStream;\nexports.shimRTCDataChannel = shimRTCDataChannel;\nexports.shimAddTransceiver = shimAddTransceiver;\nexports.shimCreateOffer = shimCreateOffer;\nexports.shimCreateAnswer = shimCreateAnswer;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction shimOnTrack(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get: function get() {\n        return { receiver: this.receiver };\n      }\n    });\n  }\n}\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {\n    return; // probably media.peerconnection.enabled=false in about:config\n  }\n  if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.mozRTCPeerConnection;\n  }\n\n  if (browserDetails.version < 53) {\n    // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {\n      var nativeMethod = window.RTCPeerConnection.prototype[method];\n      var methodObj = _defineProperty({}, method, function () {\n        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n        return nativeMethod.apply(this, arguments);\n      });\n      window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n  }\n\n  // support for addIceCandidate(null or undefined)\n  // as well as ignoring {sdpMid, candidate: \"\"}\n  if (browserDetails.version < 68) {\n    var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n    window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n      if (!arguments[0]) {\n        if (arguments[1]) {\n          arguments[1].apply(null);\n        }\n        return Promise.resolve();\n      }\n      // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n      // in older versions.\n      if (arguments[0] && arguments[0].candidate === '') {\n        return Promise.resolve();\n      }\n      return nativeAddIceCandidate.apply(this, arguments);\n    };\n  }\n\n  var modernStatsTypes = {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  };\n\n  var nativeGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    var _arguments = Array.prototype.slice.call(arguments),\n        selector = _arguments[0],\n        onSucc = _arguments[1],\n        onErr = _arguments[2];\n\n    return nativeGetStats.apply(this, [selector || null]).then(function (stats) {\n      if (browserDetails.version < 53 && !onSucc) {\n        // Shim only promise getStats with spec-hyphens in type names\n        // Leave callback version alone; misc old uses of forEach before Map\n        try {\n          stats.forEach(function (stat) {\n            stat.type = modernStatsTypes[stat.type] || stat.type;\n          });\n        } catch (e) {\n          if (e.name !== 'TypeError') {\n            throw e;\n          }\n          // Avoid TypeError: \"type\" is read-only, in old versions. 34-43ish\n          stats.forEach(function (stat, i) {\n            stats.set(i, Object.assign({}, stat, {\n              type: modernStatsTypes[stat.type] || stat.type\n            }));\n          });\n        }\n      }\n      return stats;\n    }).then(onSucc, onErr);\n  };\n}\n\nfunction shimSenderGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {\n    return;\n  }\n  var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n  if (origGetSenders) {\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      var _this = this;\n\n      var senders = origGetSenders.apply(this, []);\n      senders.forEach(function (sender) {\n        return sender._pc = _this;\n      });\n      return senders;\n    };\n  }\n\n  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  if (origAddTrack) {\n    window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n      var sender = origAddTrack.apply(this, arguments);\n      sender._pc = this;\n      return sender;\n    };\n  }\n  window.RTCRtpSender.prototype.getStats = function getStats() {\n    return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());\n  };\n}\n\nfunction shimReceiverGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {\n    return;\n  }\n  var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n  if (origGetReceivers) {\n    window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n      var _this2 = this;\n\n      var receivers = origGetReceivers.apply(this, []);\n      receivers.forEach(function (receiver) {\n        return receiver._pc = _this2;\n      });\n      return receivers;\n    };\n  }\n  utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n    e.receiver._pc = e.srcElement;\n    return e;\n  });\n  window.RTCRtpReceiver.prototype.getStats = function getStats() {\n    return this._pc.getStats(this.track);\n  };\n}\n\nfunction shimRemoveStream(window) {\n  if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    var _this3 = this;\n\n    utils.deprecated('removeStream', 'removeTrack');\n    this.getSenders().forEach(function (sender) {\n      if (sender.track && stream.getTracks().includes(sender.track)) {\n        _this3.removeTrack(sender);\n      }\n    });\n  };\n}\n\nfunction shimRTCDataChannel(window) {\n  // rename DataChannel to RTCDataChannel (native fix in FF60):\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851\n  if (window.DataChannel && !window.RTCDataChannel) {\n    window.RTCDataChannel = window.DataChannel;\n  }\n}\n\nfunction shimAddTransceiver(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;\n  if (origAddTransceiver) {\n    window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() {\n      this.setParametersPromises = [];\n      var initParameters = arguments[1];\n      var shouldPerformCheck = initParameters && 'sendEncodings' in initParameters;\n      if (shouldPerformCheck) {\n        // If sendEncodings params are provided, validate grammar\n        initParameters.sendEncodings.forEach(function (encodingParam) {\n          if ('rid' in encodingParam) {\n            var ridRegex = /^[a-z0-9]{0,16}$/i;\n            if (!ridRegex.test(encodingParam.rid)) {\n              throw new TypeError('Invalid RID value provided.');\n            }\n          }\n          if ('scaleResolutionDownBy' in encodingParam) {\n            if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {\n              throw new RangeError('scale_resolution_down_by must be >= 1.0');\n            }\n          }\n          if ('maxFramerate' in encodingParam) {\n            if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {\n              throw new RangeError('max_framerate must be >= 0.0');\n            }\n          }\n        });\n      }\n      var transceiver = origAddTransceiver.apply(this, arguments);\n      if (shouldPerformCheck) {\n        // Check if the init options were applied. If not we do this in an\n        // asynchronous way and save the promise reference in a global object.\n        // This is an ugly hack, but at the same time is way more robust than\n        // checking the sender parameters before and after the createOffer\n        // Also note that after the createoffer we are not 100% sure that\n        // the params were asynchronously applied so we might miss the\n        // opportunity to recreate offer.\n        var sender = transceiver.sender;\n\n        var params = sender.getParameters();\n        if (!('encodings' in params)) {\n          params.encodings = initParameters.sendEncodings;\n          this.setParametersPromises.push(sender.setParameters(params).catch(function () {}));\n        }\n      }\n      return transceiver;\n    };\n  }\n}\n\nfunction shimCreateOffer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer() {\n    var _this4 = this,\n        _arguments2 = arguments;\n\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises).then(function () {\n        return origCreateOffer.apply(_this4, _arguments2);\n      }).finally(function () {\n        _this4.setParametersPromises = [];\n      });\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\nfunction shimCreateAnswer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;\n  window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {\n    var _this5 = this,\n        _arguments3 = arguments;\n\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises).then(function () {\n        return origCreateAnswer.apply(_this5, _arguments3);\n      }).finally(function () {\n        _this5.setParametersPromises = [];\n      });\n    }\n    return origCreateAnswer.apply(this, arguments);\n  };\n}\n\n},{\"../utils\":15,\"./getdisplaymedia\":12,\"./getusermedia\":13}],12:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window, preferredMediaSource) {\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n    if (!(constraints && constraints.video)) {\n      var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');\n      err.name = 'NotFoundError';\n      // from https://heycam.github.io/webidl/#idl-DOMException-error-names\n      err.code = 8;\n      return Promise.reject(err);\n    }\n    if (constraints.video === true) {\n      constraints.video = { mediaSource: preferredMediaSource };\n    } else {\n      constraints.video.mediaSource = preferredMediaSource;\n    }\n    return window.navigator.mediaDevices.getUserMedia(constraints);\n  };\n}\n\n},{}],13:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimGetUserMedia = shimGetUserMedia;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimGetUserMedia(window) {\n  var browserDetails = utils.detectBrowser(window);\n  var navigator = window && window.navigator;\n  var MediaStreamTrack = window && window.MediaStreamTrack;\n\n  navigator.getUserMedia = function (constraints, onSuccess, onError) {\n    // Replace Firefox 44+'s deprecation warning with unprefixed version.\n    utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');\n    navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);\n  };\n\n  if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {\n    var remap = function remap(obj, a, b) {\n      if (a in obj && !(b in obj)) {\n        obj[b] = obj[a];\n        delete obj[a];\n      }\n    };\n\n    var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (c) {\n      if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') {\n        c = JSON.parse(JSON.stringify(c));\n        remap(c.audio, 'autoGainControl', 'mozAutoGainControl');\n        remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');\n      }\n      return nativeGetUserMedia(c);\n    };\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {\n      var nativeGetSettings = MediaStreamTrack.prototype.getSettings;\n      MediaStreamTrack.prototype.getSettings = function () {\n        var obj = nativeGetSettings.apply(this, arguments);\n        remap(obj, 'mozAutoGainControl', 'autoGainControl');\n        remap(obj, 'mozNoiseSuppression', 'noiseSuppression');\n        return obj;\n      };\n    }\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {\n      var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;\n      MediaStreamTrack.prototype.applyConstraints = function (c) {\n        if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') {\n          c = JSON.parse(JSON.stringify(c));\n          remap(c, 'autoGainControl', 'mozAutoGainControl');\n          remap(c, 'noiseSuppression', 'mozNoiseSuppression');\n        }\n        return nativeApplyConstraints.apply(this, [c]);\n      };\n    }\n  }\n}\n\n},{\"../utils\":15}],14:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimLocalStreamsAPI = shimLocalStreamsAPI;\nexports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;\nexports.shimCallbacksAPI = shimCallbacksAPI;\nexports.shimGetUserMedia = shimGetUserMedia;\nexports.shimConstraints = shimConstraints;\nexports.shimRTCIceServerUrls = shimRTCIceServerUrls;\nexports.shimTrackEventTransceiver = shimTrackEventTransceiver;\nexports.shimCreateOfferLegacy = shimCreateOfferLegacy;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimLocalStreamsAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      return this._localStreams;\n    };\n  }\n  if (!('addStream' in window.RTCPeerConnection.prototype)) {\n    var _addTrack = window.RTCPeerConnection.prototype.addTrack;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      var _this = this;\n\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      if (!this._localStreams.includes(stream)) {\n        this._localStreams.push(stream);\n      }\n      // Try to emulate Chrome's behaviour of adding in audio-video order.\n      // Safari orders by track id.\n      stream.getAudioTracks().forEach(function (track) {\n        return _addTrack.call(_this, track, stream);\n      });\n      stream.getVideoTracks().forEach(function (track) {\n        return _addTrack.call(_this, track, stream);\n      });\n    };\n\n    window.RTCPeerConnection.prototype.addTrack = function addTrack(track) {\n      var stream = arguments[1];\n      if (stream) {\n        if (!this._localStreams) {\n          this._localStreams = [stream];\n        } else if (!this._localStreams.includes(stream)) {\n          this._localStreams.push(stream);\n        }\n      }\n      return _addTrack.apply(this, arguments);\n    };\n  }\n  if (!('removeStream' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n      var _this2 = this;\n\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      var index = this._localStreams.indexOf(stream);\n      if (index === -1) {\n        return;\n      }\n      this._localStreams.splice(index, 1);\n      var tracks = stream.getTracks();\n      this.getSenders().forEach(function (sender) {\n        if (tracks.includes(sender.track)) {\n          _this2.removeTrack(sender);\n        }\n      });\n    };\n  }\n}\n\nfunction shimRemoteStreamsAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {\n      return this._remoteStreams ? this._remoteStreams : [];\n    };\n  }\n  if (!('onaddstream' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {\n      get: function get() {\n        return this._onaddstream;\n      },\n      set: function set(f) {\n        var _this3 = this;\n\n        if (this._onaddstream) {\n          this.removeEventListener('addstream', this._onaddstream);\n          this.removeEventListener('track', this._onaddstreampoly);\n        }\n        this.addEventListener('addstream', this._onaddstream = f);\n        this.addEventListener('track', this._onaddstreampoly = function (e) {\n          e.streams.forEach(function (stream) {\n            if (!_this3._remoteStreams) {\n              _this3._remoteStreams = [];\n            }\n            if (_this3._remoteStreams.includes(stream)) {\n              return;\n            }\n            _this3._remoteStreams.push(stream);\n            var event = new Event('addstream');\n            event.stream = stream;\n            _this3.dispatchEvent(event);\n          });\n        });\n      }\n    });\n    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n      var pc = this;\n      if (!this._onaddstreampoly) {\n        this.addEventListener('track', this._onaddstreampoly = function (e) {\n          e.streams.forEach(function (stream) {\n            if (!pc._remoteStreams) {\n              pc._remoteStreams = [];\n            }\n            if (pc._remoteStreams.indexOf(stream) >= 0) {\n              return;\n            }\n            pc._remoteStreams.push(stream);\n            var event = new Event('addstream');\n            event.stream = stream;\n            pc.dispatchEvent(event);\n          });\n        });\n      }\n      return origSetRemoteDescription.apply(pc, arguments);\n    };\n  }\n}\n\nfunction shimCallbacksAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  var prototype = window.RTCPeerConnection.prototype;\n  var origCreateOffer = prototype.createOffer;\n  var origCreateAnswer = prototype.createAnswer;\n  var setLocalDescription = prototype.setLocalDescription;\n  var setRemoteDescription = prototype.setRemoteDescription;\n  var addIceCandidate = prototype.addIceCandidate;\n\n  prototype.createOffer = function createOffer(successCallback, failureCallback) {\n    var options = arguments.length >= 2 ? arguments[2] : arguments[0];\n    var promise = origCreateOffer.apply(this, [options]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n\n  prototype.createAnswer = function createAnswer(successCallback, failureCallback) {\n    var options = arguments.length >= 2 ? arguments[2] : arguments[0];\n    var promise = origCreateAnswer.apply(this, [options]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n\n  var withCallback = function withCallback(description, successCallback, failureCallback) {\n    var promise = setLocalDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setLocalDescription = withCallback;\n\n  withCallback = function withCallback(description, successCallback, failureCallback) {\n    var promise = setRemoteDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setRemoteDescription = withCallback;\n\n  withCallback = function withCallback(candidate, successCallback, failureCallback) {\n    var promise = addIceCandidate.apply(this, [candidate]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.addIceCandidate = withCallback;\n}\n\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    // shim not needed in Safari 12.1\n    var mediaDevices = navigator.mediaDevices;\n    var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (constraints) {\n      return _getUserMedia(shimConstraints(constraints));\n    };\n  }\n\n  if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {\n      navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);\n    }.bind(navigator);\n  }\n}\n\nfunction shimConstraints(constraints) {\n  if (constraints && constraints.video !== undefined) {\n    return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) });\n  }\n\n  return constraints;\n}\n\nfunction shimRTCIceServerUrls(window) {\n  // migrate from non-spec RTCIceServer.url to RTCIceServer.urls\n  var OrigPeerConnection = window.RTCPeerConnection;\n  window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {\n    if (pcConfig && pcConfig.iceServers) {\n      var newIceServers = [];\n      for (var i = 0; i < pcConfig.iceServers.length; i++) {\n        var server = pcConfig.iceServers[i];\n        if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {\n          utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n          server = JSON.parse(JSON.stringify(server));\n          server.urls = server.url;\n          delete server.url;\n          newIceServers.push(server);\n        } else {\n          newIceServers.push(pcConfig.iceServers[i]);\n        }\n      }\n      pcConfig.iceServers = newIceServers;\n    }\n    return new OrigPeerConnection(pcConfig, pcConstraints);\n  };\n  window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;\n  // wrap static methods. Currently just generateCertificate.\n  if ('generateCertificate' in window.RTCPeerConnection) {\n    Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {\n      get: function get() {\n        return OrigPeerConnection.generateCertificate;\n      }\n    });\n  }\n}\n\nfunction shimTrackEventTransceiver(window) {\n  // Add event.transceiver member over deprecated event.receiver\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get: function get() {\n        return { receiver: this.receiver };\n      }\n    });\n  }\n}\n\nfunction shimCreateOfferLegacy(window) {\n  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {\n    if (offerOptions) {\n      if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {\n        // support bit values\n        offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;\n      }\n      var audioTransceiver = this.getTransceivers().find(function (transceiver) {\n        return transceiver.receiver.track.kind === 'audio';\n      });\n      if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {\n        if (audioTransceiver.direction === 'sendrecv') {\n          if (audioTransceiver.setDirection) {\n            audioTransceiver.setDirection('sendonly');\n          } else {\n            audioTransceiver.direction = 'sendonly';\n          }\n        } else if (audioTransceiver.direction === 'recvonly') {\n          if (audioTransceiver.setDirection) {\n            audioTransceiver.setDirection('inactive');\n          } else {\n            audioTransceiver.direction = 'inactive';\n          }\n        }\n      } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {\n        this.addTransceiver('audio');\n      }\n\n      if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {\n        // support bit values\n        offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;\n      }\n      var videoTransceiver = this.getTransceivers().find(function (transceiver) {\n        return transceiver.receiver.track.kind === 'video';\n      });\n      if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {\n        if (videoTransceiver.direction === 'sendrecv') {\n          if (videoTransceiver.setDirection) {\n            videoTransceiver.setDirection('sendonly');\n          } else {\n            videoTransceiver.direction = 'sendonly';\n          }\n        } else if (videoTransceiver.direction === 'recvonly') {\n          if (videoTransceiver.setDirection) {\n            videoTransceiver.setDirection('inactive');\n          } else {\n            videoTransceiver.direction = 'inactive';\n          }\n        }\n      } else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {\n        this.addTransceiver('video');\n      }\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\n},{\"../utils\":15}],15:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.extractVersion = extractVersion;\nexports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;\nexports.disableLog = disableLog;\nexports.disableWarnings = disableWarnings;\nexports.log = log;\nexports.deprecated = deprecated;\nexports.detectBrowser = detectBrowser;\nexports.compactObject = compactObject;\nexports.walkStats = walkStats;\nexports.filterStats = filterStats;\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nvar logDisabled_ = true;\nvar deprecationWarnings_ = true;\n\n/**\n * Extract browser version out of the provided user agent string.\n *\n * @param {!string} uastring userAgent string.\n * @param {!string} expr Regular expression used as match criteria.\n * @param {!number} pos position in the version string to be returned.\n * @return {!number} browser version.\n */\nfunction extractVersion(uastring, expr, pos) {\n  var match = uastring.match(expr);\n  return match && match.length >= pos && parseInt(match[pos], 10);\n}\n\n// Wraps the peerconnection event eventNameToWrap in a function\n// which returns the modified event object (or false to prevent\n// the event).\nfunction wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var proto = window.RTCPeerConnection.prototype;\n  var nativeAddEventListener = proto.addEventListener;\n  proto.addEventListener = function (nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap) {\n      return nativeAddEventListener.apply(this, arguments);\n    }\n    var wrappedCallback = function wrappedCallback(e) {\n      var modifiedEvent = wrapper(e);\n      if (modifiedEvent) {\n        cb(modifiedEvent);\n      }\n    };\n    this._eventMap = this._eventMap || {};\n    this._eventMap[cb] = wrappedCallback;\n    return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);\n  };\n\n  var nativeRemoveEventListener = proto.removeEventListener;\n  proto.removeEventListener = function (nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[cb]) {\n      return nativeRemoveEventListener.apply(this, arguments);\n    }\n    var unwrappedCb = this._eventMap[cb];\n    delete this._eventMap[cb];\n    return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);\n  };\n\n  Object.defineProperty(proto, 'on' + eventNameToWrap, {\n    get: function get() {\n      return this['_on' + eventNameToWrap];\n    },\n    set: function set(cb) {\n      if (this['_on' + eventNameToWrap]) {\n        this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);\n        delete this['_on' + eventNameToWrap];\n      }\n      if (cb) {\n        this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);\n      }\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n}\n\nfunction disableLog(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');\n  }\n  logDisabled_ = bool;\n  return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';\n}\n\n/**\n * Disable or enable deprecation warnings\n * @param {!boolean} bool set to true to disable warnings.\n */\nfunction disableWarnings(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');\n  }\n  deprecationWarnings_ = !bool;\n  return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');\n}\n\nfunction log() {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') {\n    if (logDisabled_) {\n      return;\n    }\n    if (typeof console !== 'undefined' && typeof console.log === 'function') {\n      console.log.apply(console, arguments);\n    }\n  }\n}\n\n/**\n * Shows a deprecation warning suggesting the modern and spec-compatible API.\n */\nfunction deprecated(oldMethod, newMethod) {\n  if (!deprecationWarnings_) {\n    return;\n  }\n  console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');\n}\n\n/**\n * Browser detector.\n *\n * @return {object} result containing browser and version\n *     properties.\n */\nfunction detectBrowser(window) {\n  var navigator = window.navigator;\n\n  // Returned result object.\n\n  var result = { browser: null, version: null };\n\n  // Fail early if it's not a browser\n  if (typeof window === 'undefined' || !window.navigator) {\n    result.browser = 'Not a browser.';\n    return result;\n  }\n\n  if (navigator.mozGetUserMedia) {\n    // Firefox.\n    result.browser = 'firefox';\n    result.version = extractVersion(navigator.userAgent, /Firefox\\/(\\d+)\\./, 1);\n  } else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection && !window.RTCIceGatherer) {\n    // Chrome, Chromium, Webview, Opera.\n    // Version matches Chrome/WebRTC version.\n    // Chrome 74 removed webkitGetUserMedia on http as well so we need the\n    // more complicated fallback to webkitRTCPeerConnection.\n    result.browser = 'chrome';\n    result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\\/(\\d+)\\./, 2);\n  } else if (navigator.mediaDevices && navigator.userAgent.match(/Edge\\/(\\d+).(\\d+)$/)) {\n    // Edge.\n    result.browser = 'edge';\n    result.version = extractVersion(navigator.userAgent, /Edge\\/(\\d+).(\\d+)$/, 2);\n  } else if (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\\/(\\d+)\\./)) {\n    // Safari.\n    result.browser = 'safari';\n    result.version = extractVersion(navigator.userAgent, /AppleWebKit\\/(\\d+)\\./, 1);\n    result.supportsUnifiedPlan = window.RTCRtpTransceiver && 'currentDirection' in window.RTCRtpTransceiver.prototype;\n  } else {\n    // Default fallthrough: not supported.\n    result.browser = 'Not a supported browser.';\n    return result;\n  }\n\n  return result;\n}\n\n/**\n * Checks if something is an object.\n *\n * @param {*} val The something you want to check.\n * @return true if val is an object, false otherwise.\n */\nfunction isObject(val) {\n  return Object.prototype.toString.call(val) === '[object Object]';\n}\n\n/**\n * Remove all empty objects and undefined values\n * from a nested object -- an enhanced and vanilla version\n * of Lodash's `compact`.\n */\nfunction compactObject(data) {\n  if (!isObject(data)) {\n    return data;\n  }\n\n  return Object.keys(data).reduce(function (accumulator, key) {\n    var isObj = isObject(data[key]);\n    var value = isObj ? compactObject(data[key]) : data[key];\n    var isEmptyObject = isObj && !Object.keys(value).length;\n    if (value === undefined || isEmptyObject) {\n      return accumulator;\n    }\n    return Object.assign(accumulator, _defineProperty({}, key, value));\n  }, {});\n}\n\n/* iterates the stats graph recursively. */\nfunction walkStats(stats, base, resultSet) {\n  if (!base || resultSet.has(base.id)) {\n    return;\n  }\n  resultSet.set(base.id, base);\n  Object.keys(base).forEach(function (name) {\n    if (name.endsWith('Id')) {\n      walkStats(stats, stats.get(base[name]), resultSet);\n    } else if (name.endsWith('Ids')) {\n      base[name].forEach(function (id) {\n        walkStats(stats, stats.get(id), resultSet);\n      });\n    }\n  });\n}\n\n/* filter getStats for a sender/receiver track. */\nfunction filterStats(result, track, outbound) {\n  var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';\n  var filteredResult = new Map();\n  if (track === null) {\n    return filteredResult;\n  }\n  var trackStats = [];\n  result.forEach(function (value) {\n    if (value.type === 'track' && value.trackIdentifier === track.id) {\n      trackStats.push(value);\n    }\n  });\n  trackStats.forEach(function (trackStat) {\n    result.forEach(function (stats) {\n      if (stats.type === streamStatsType && stats.trackId === trackStat.id) {\n        walkStats(result, stats, filteredResult);\n      }\n    });\n  });\n  return filteredResult;\n}\n\n},{}],16:[function(require,module,exports){\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n /* eslint-env node */\n'use strict';\n\nvar SDPUtils = require('sdp');\n\nfunction fixStatsType(stat) {\n  return {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  }[stat.type] || stat.type;\n}\n\nfunction writeMediaSection(transceiver, caps, type, stream, dtlsRole) {\n  var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);\n\n  // Map ICE parameters (ufrag, pwd) to SDP.\n  sdp += SDPUtils.writeIceParameters(\n      transceiver.iceGatherer.getLocalParameters());\n\n  // Map DTLS parameters to SDP.\n  sdp += SDPUtils.writeDtlsParameters(\n      transceiver.dtlsTransport.getLocalParameters(),\n      type === 'offer' ? 'actpass' : dtlsRole || 'active');\n\n  sdp += 'a=mid:' + transceiver.mid + '\\r\\n';\n\n  if (transceiver.rtpSender && transceiver.rtpReceiver) {\n    sdp += 'a=sendrecv\\r\\n';\n  } else if (transceiver.rtpSender) {\n    sdp += 'a=sendonly\\r\\n';\n  } else if (transceiver.rtpReceiver) {\n    sdp += 'a=recvonly\\r\\n';\n  } else {\n    sdp += 'a=inactive\\r\\n';\n  }\n\n  if (transceiver.rtpSender) {\n    var trackId = transceiver.rtpSender._initialTrackId ||\n        transceiver.rtpSender.track.id;\n    transceiver.rtpSender._initialTrackId = trackId;\n    // spec.\n    var msid = 'msid:' + (stream ? stream.id : '-') + ' ' +\n        trackId + '\\r\\n';\n    sdp += 'a=' + msid;\n    // for Chrome. Legacy should no longer be required.\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n        ' ' + msid;\n\n    // RTX\n    if (transceiver.sendEncodingParameters[0].rtx) {\n      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n          ' ' + msid;\n      sdp += 'a=ssrc-group:FID ' +\n          transceiver.sendEncodingParameters[0].ssrc + ' ' +\n          transceiver.sendEncodingParameters[0].rtx.ssrc +\n          '\\r\\n';\n    }\n  }\n  // FIXME: this should be written by writeRtpDescription.\n  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n      ' cname:' + SDPUtils.localCName + '\\r\\n';\n  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n        ' cname:' + SDPUtils.localCName + '\\r\\n';\n  }\n  return sdp;\n}\n\n// Edge does not like\n// 1) stun: filtered after 14393 unless ?transport=udp is present\n// 2) turn: that does not have all of turn:host:port?transport=udp\n// 3) turn: with ipv6 addresses\n// 4) turn: occurring muliple times\nfunction filterIceServers(iceServers, edgeVersion) {\n  var hasTurn = false;\n  iceServers = JSON.parse(JSON.stringify(iceServers));\n  return iceServers.filter(function(server) {\n    if (server && (server.urls || server.url)) {\n      var urls = server.urls || server.url;\n      if (server.url && !server.urls) {\n        console.warn('RTCIceServer.url is deprecated! Use urls instead.');\n      }\n      var isString = typeof urls === 'string';\n      if (isString) {\n        urls = [urls];\n      }\n      urls = urls.filter(function(url) {\n        var validTurn = url.indexOf('turn:') === 0 &&\n            url.indexOf('transport=udp') !== -1 &&\n            url.indexOf('turn:[') === -1 &&\n            !hasTurn;\n\n        if (validTurn) {\n          hasTurn = true;\n          return true;\n        }\n        return url.indexOf('stun:') === 0 && edgeVersion >= 14393 &&\n            url.indexOf('?transport=udp') === -1;\n      });\n\n      delete server.url;\n      server.urls = isString ? urls[0] : urls;\n      return !!urls.length;\n    }\n  });\n}\n\n// Determines the intersection of local and remote capabilities.\nfunction getCommonCapabilities(localCapabilities, remoteCapabilities) {\n  var commonCapabilities = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: []\n  };\n\n  var findCodecByPayloadType = function(pt, codecs) {\n    pt = parseInt(pt, 10);\n    for (var i = 0; i < codecs.length; i++) {\n      if (codecs[i].payloadType === pt ||\n          codecs[i].preferredPayloadType === pt) {\n        return codecs[i];\n      }\n    }\n  };\n\n  var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {\n    var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);\n    var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);\n    return lCodec && rCodec &&\n        lCodec.name.toLowerCase() === rCodec.name.toLowerCase();\n  };\n\n  localCapabilities.codecs.forEach(function(lCodec) {\n    for (var i = 0; i < remoteCapabilities.codecs.length; i++) {\n      var rCodec = remoteCapabilities.codecs[i];\n      if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&\n          lCodec.clockRate === rCodec.clockRate) {\n        if (lCodec.name.toLowerCase() === 'rtx' &&\n            lCodec.parameters && rCodec.parameters.apt) {\n          // for RTX we need to find the local rtx that has a apt\n          // which points to the same local codec as the remote one.\n          if (!rtxCapabilityMatches(lCodec, rCodec,\n              localCapabilities.codecs, remoteCapabilities.codecs)) {\n            continue;\n          }\n        }\n        rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy\n        // number of channels is the highest common number of channels\n        rCodec.numChannels = Math.min(lCodec.numChannels,\n            rCodec.numChannels);\n        // push rCodec so we reply with offerer payload type\n        commonCapabilities.codecs.push(rCodec);\n\n        // determine common feedback mechanisms\n        rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {\n          for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {\n            if (lCodec.rtcpFeedback[j].type === fb.type &&\n                lCodec.rtcpFeedback[j].parameter === fb.parameter) {\n              return true;\n            }\n          }\n          return false;\n        });\n        // FIXME: also need to determine .parameters\n        //  see https://github.com/openpeer/ortc/issues/569\n        break;\n      }\n    }\n  });\n\n  localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {\n    for (var i = 0; i < remoteCapabilities.headerExtensions.length;\n         i++) {\n      var rHeaderExtension = remoteCapabilities.headerExtensions[i];\n      if (lHeaderExtension.uri === rHeaderExtension.uri) {\n        commonCapabilities.headerExtensions.push(rHeaderExtension);\n        break;\n      }\n    }\n  });\n\n  // FIXME: fecMechanisms\n  return commonCapabilities;\n}\n\n// is action=setLocalDescription with type allowed in signalingState\nfunction isActionAllowedInSignalingState(action, type, signalingState) {\n  return {\n    offer: {\n      setLocalDescription: ['stable', 'have-local-offer'],\n      setRemoteDescription: ['stable', 'have-remote-offer']\n    },\n    answer: {\n      setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],\n      setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']\n    }\n  }[type][action].indexOf(signalingState) !== -1;\n}\n\nfunction maybeAddCandidate(iceTransport, candidate) {\n  // Edge's internal representation adds some fields therefore\n  // not all fieldѕ are taken into account.\n  var alreadyAdded = iceTransport.getRemoteCandidates()\n      .find(function(remoteCandidate) {\n        return candidate.foundation === remoteCandidate.foundation &&\n            candidate.ip === remoteCandidate.ip &&\n            candidate.port === remoteCandidate.port &&\n            candidate.priority === remoteCandidate.priority &&\n            candidate.protocol === remoteCandidate.protocol &&\n            candidate.type === remoteCandidate.type;\n      });\n  if (!alreadyAdded) {\n    iceTransport.addRemoteCandidate(candidate);\n  }\n  return !alreadyAdded;\n}\n\n\nfunction makeError(name, description) {\n  var e = new Error(description);\n  e.name = name;\n  // legacy error codes from https://heycam.github.io/webidl/#idl-DOMException-error-names\n  e.code = {\n    NotSupportedError: 9,\n    InvalidStateError: 11,\n    InvalidAccessError: 15,\n    TypeError: undefined,\n    OperationError: undefined\n  }[name];\n  return e;\n}\n\nmodule.exports = function(window, edgeVersion) {\n  // https://w3c.github.io/mediacapture-main/#mediastream\n  // Helper function to add the track to the stream and\n  // dispatch the event ourselves.\n  function addTrackToStreamAndFireEvent(track, stream) {\n    stream.addTrack(track);\n    stream.dispatchEvent(new window.MediaStreamTrackEvent('addtrack',\n        {track: track}));\n  }\n\n  function removeTrackFromStreamAndFireEvent(track, stream) {\n    stream.removeTrack(track);\n    stream.dispatchEvent(new window.MediaStreamTrackEvent('removetrack',\n        {track: track}));\n  }\n\n  function fireAddTrack(pc, track, receiver, streams) {\n    var trackEvent = new Event('track');\n    trackEvent.track = track;\n    trackEvent.receiver = receiver;\n    trackEvent.transceiver = {receiver: receiver};\n    trackEvent.streams = streams;\n    window.setTimeout(function() {\n      pc._dispatchEvent('track', trackEvent);\n    });\n  }\n\n  var RTCPeerConnection = function(config) {\n    var pc = this;\n\n    var _eventTarget = document.createDocumentFragment();\n    ['addEventListener', 'removeEventListener', 'dispatchEvent']\n        .forEach(function(method) {\n          pc[method] = _eventTarget[method].bind(_eventTarget);\n        });\n\n    this.canTrickleIceCandidates = null;\n\n    this.needNegotiation = false;\n\n    this.localStreams = [];\n    this.remoteStreams = [];\n\n    this._localDescription = null;\n    this._remoteDescription = null;\n\n    this.signalingState = 'stable';\n    this.iceConnectionState = 'new';\n    this.connectionState = 'new';\n    this.iceGatheringState = 'new';\n\n    config = JSON.parse(JSON.stringify(config || {}));\n\n    this.usingBundle = config.bundlePolicy === 'max-bundle';\n    if (config.rtcpMuxPolicy === 'negotiate') {\n      throw(makeError('NotSupportedError',\n          'rtcpMuxPolicy \\'negotiate\\' is not supported'));\n    } else if (!config.rtcpMuxPolicy) {\n      config.rtcpMuxPolicy = 'require';\n    }\n\n    switch (config.iceTransportPolicy) {\n      case 'all':\n      case 'relay':\n        break;\n      default:\n        config.iceTransportPolicy = 'all';\n        break;\n    }\n\n    switch (config.bundlePolicy) {\n      case 'balanced':\n      case 'max-compat':\n      case 'max-bundle':\n        break;\n      default:\n        config.bundlePolicy = 'balanced';\n        break;\n    }\n\n    config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);\n\n    this._iceGatherers = [];\n    if (config.iceCandidatePoolSize) {\n      for (var i = config.iceCandidatePoolSize; i > 0; i--) {\n        this._iceGatherers.push(new window.RTCIceGatherer({\n          iceServers: config.iceServers,\n          gatherPolicy: config.iceTransportPolicy\n        }));\n      }\n    } else {\n      config.iceCandidatePoolSize = 0;\n    }\n\n    this._config = config;\n\n    // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...\n    // everything that is needed to describe a SDP m-line.\n    this.transceivers = [];\n\n    this._sdpSessionId = SDPUtils.generateSessionId();\n    this._sdpSessionVersion = 0;\n\n    this._dtlsRole = undefined; // role for a=setup to use in answers.\n\n    this._isClosed = false;\n  };\n\n  Object.defineProperty(RTCPeerConnection.prototype, 'localDescription', {\n    configurable: true,\n    get: function() {\n      return this._localDescription;\n    }\n  });\n  Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', {\n    configurable: true,\n    get: function() {\n      return this._remoteDescription;\n    }\n  });\n\n  // set up event handlers on prototype\n  RTCPeerConnection.prototype.onicecandidate = null;\n  RTCPeerConnection.prototype.onaddstream = null;\n  RTCPeerConnection.prototype.ontrack = null;\n  RTCPeerConnection.prototype.onremovestream = null;\n  RTCPeerConnection.prototype.onsignalingstatechange = null;\n  RTCPeerConnection.prototype.oniceconnectionstatechange = null;\n  RTCPeerConnection.prototype.onconnectionstatechange = null;\n  RTCPeerConnection.prototype.onicegatheringstatechange = null;\n  RTCPeerConnection.prototype.onnegotiationneeded = null;\n  RTCPeerConnection.prototype.ondatachannel = null;\n\n  RTCPeerConnection.prototype._dispatchEvent = function(name, event) {\n    if (this._isClosed) {\n      return;\n    }\n    this.dispatchEvent(event);\n    if (typeof this['on' + name] === 'function') {\n      this['on' + name](event);\n    }\n  };\n\n  RTCPeerConnection.prototype._emitGatheringStateChange = function() {\n    var event = new Event('icegatheringstatechange');\n    this._dispatchEvent('icegatheringstatechange', event);\n  };\n\n  RTCPeerConnection.prototype.getConfiguration = function() {\n    return this._config;\n  };\n\n  RTCPeerConnection.prototype.getLocalStreams = function() {\n    return this.localStreams;\n  };\n\n  RTCPeerConnection.prototype.getRemoteStreams = function() {\n    return this.remoteStreams;\n  };\n\n  // internal helper to create a transceiver object.\n  // (which is not yet the same as the WebRTC 1.0 transceiver)\n  RTCPeerConnection.prototype._createTransceiver = function(kind, doNotAdd) {\n    var hasBundleTransport = this.transceivers.length > 0;\n    var transceiver = {\n      track: null,\n      iceGatherer: null,\n      iceTransport: null,\n      dtlsTransport: null,\n      localCapabilities: null,\n      remoteCapabilities: null,\n      rtpSender: null,\n      rtpReceiver: null,\n      kind: kind,\n      mid: null,\n      sendEncodingParameters: null,\n      recvEncodingParameters: null,\n      stream: null,\n      associatedRemoteMediaStreams: [],\n      wantReceive: true\n    };\n    if (this.usingBundle && hasBundleTransport) {\n      transceiver.iceTransport = this.transceivers[0].iceTransport;\n      transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;\n    } else {\n      var transports = this._createIceAndDtlsTransports();\n      transceiver.iceTransport = transports.iceTransport;\n      transceiver.dtlsTransport = transports.dtlsTransport;\n    }\n    if (!doNotAdd) {\n      this.transceivers.push(transceiver);\n    }\n    return transceiver;\n  };\n\n  RTCPeerConnection.prototype.addTrack = function(track, stream) {\n    if (this._isClosed) {\n      throw makeError('InvalidStateError',\n          'Attempted to call addTrack on a closed peerconnection.');\n    }\n\n    var alreadyExists = this.transceivers.find(function(s) {\n      return s.track === track;\n    });\n\n    if (alreadyExists) {\n      throw makeError('InvalidAccessError', 'Track already exists.');\n    }\n\n    var transceiver;\n    for (var i = 0; i < this.transceivers.length; i++) {\n      if (!this.transceivers[i].track &&\n          this.transceivers[i].kind === track.kind) {\n        transceiver = this.transceivers[i];\n      }\n    }\n    if (!transceiver) {\n      transceiver = this._createTransceiver(track.kind);\n    }\n\n    this._maybeFireNegotiationNeeded();\n\n    if (this.localStreams.indexOf(stream) === -1) {\n      this.localStreams.push(stream);\n    }\n\n    transceiver.track = track;\n    transceiver.stream = stream;\n    transceiver.rtpSender = new window.RTCRtpSender(track,\n        transceiver.dtlsTransport);\n    return transceiver.rtpSender;\n  };\n\n  RTCPeerConnection.prototype.addStream = function(stream) {\n    var pc = this;\n    if (edgeVersion >= 15025) {\n      stream.getTracks().forEach(function(track) {\n        pc.addTrack(track, stream);\n      });\n    } else {\n      // Clone is necessary for local demos mostly, attaching directly\n      // to two different senders does not work (build 10547).\n      // Fixed in 15025 (or earlier)\n      var clonedStream = stream.clone();\n      stream.getTracks().forEach(function(track, idx) {\n        var clonedTrack = clonedStream.getTracks()[idx];\n        track.addEventListener('enabled', function(event) {\n          clonedTrack.enabled = event.enabled;\n        });\n      });\n      clonedStream.getTracks().forEach(function(track) {\n        pc.addTrack(track, clonedStream);\n      });\n    }\n  };\n\n  RTCPeerConnection.prototype.removeTrack = function(sender) {\n    if (this._isClosed) {\n      throw makeError('InvalidStateError',\n          'Attempted to call removeTrack on a closed peerconnection.');\n    }\n\n    if (!(sender instanceof window.RTCRtpSender)) {\n      throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +\n          'does not implement interface RTCRtpSender.');\n    }\n\n    var transceiver = this.transceivers.find(function(t) {\n      return t.rtpSender === sender;\n    });\n\n    if (!transceiver) {\n      throw makeError('InvalidAccessError',\n          'Sender was not created by this connection.');\n    }\n    var stream = transceiver.stream;\n\n    transceiver.rtpSender.stop();\n    transceiver.rtpSender = null;\n    transceiver.track = null;\n    transceiver.stream = null;\n\n    // remove the stream from the set of local streams\n    var localStreams = this.transceivers.map(function(t) {\n      return t.stream;\n    });\n    if (localStreams.indexOf(stream) === -1 &&\n        this.localStreams.indexOf(stream) > -1) {\n      this.localStreams.splice(this.localStreams.indexOf(stream), 1);\n    }\n\n    this._maybeFireNegotiationNeeded();\n  };\n\n  RTCPeerConnection.prototype.removeStream = function(stream) {\n    var pc = this;\n    stream.getTracks().forEach(function(track) {\n      var sender = pc.getSenders().find(function(s) {\n        return s.track === track;\n      });\n      if (sender) {\n        pc.removeTrack(sender);\n      }\n    });\n  };\n\n  RTCPeerConnection.prototype.getSenders = function() {\n    return this.transceivers.filter(function(transceiver) {\n      return !!transceiver.rtpSender;\n    })\n    .map(function(transceiver) {\n      return transceiver.rtpSender;\n    });\n  };\n\n  RTCPeerConnection.prototype.getReceivers = function() {\n    return this.transceivers.filter(function(transceiver) {\n      return !!transceiver.rtpReceiver;\n    })\n    .map(function(transceiver) {\n      return transceiver.rtpReceiver;\n    });\n  };\n\n\n  RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,\n      usingBundle) {\n    var pc = this;\n    if (usingBundle && sdpMLineIndex > 0) {\n      return this.transceivers[0].iceGatherer;\n    } else if (this._iceGatherers.length) {\n      return this._iceGatherers.shift();\n    }\n    var iceGatherer = new window.RTCIceGatherer({\n      iceServers: this._config.iceServers,\n      gatherPolicy: this._config.iceTransportPolicy\n    });\n    Object.defineProperty(iceGatherer, 'state',\n        {value: 'new', writable: true}\n    );\n\n    this.transceivers[sdpMLineIndex].bufferedCandidateEvents = [];\n    this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {\n      var end = !event.candidate || Object.keys(event.candidate).length === 0;\n      // polyfill since RTCIceGatherer.state is not implemented in\n      // Edge 10547 yet.\n      iceGatherer.state = end ? 'completed' : 'gathering';\n      if (pc.transceivers[sdpMLineIndex].bufferedCandidateEvents !== null) {\n        pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);\n      }\n    };\n    iceGatherer.addEventListener('localcandidate',\n      this.transceivers[sdpMLineIndex].bufferCandidates);\n    return iceGatherer;\n  };\n\n  // start gathering from an RTCIceGatherer.\n  RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {\n    var pc = this;\n    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;\n    if (iceGatherer.onlocalcandidate) {\n      return;\n    }\n    var bufferedCandidateEvents =\n      this.transceivers[sdpMLineIndex].bufferedCandidateEvents;\n    this.transceivers[sdpMLineIndex].bufferedCandidateEvents = null;\n    iceGatherer.removeEventListener('localcandidate',\n      this.transceivers[sdpMLineIndex].bufferCandidates);\n    iceGatherer.onlocalcandidate = function(evt) {\n      if (pc.usingBundle && sdpMLineIndex > 0) {\n        // if we know that we use bundle we can drop candidates with\n        // ѕdpMLineIndex > 0. If we don't do this then our state gets\n        // confused since we dispose the extra ice gatherer.\n        return;\n      }\n      var event = new Event('icecandidate');\n      event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};\n\n      var cand = evt.candidate;\n      // Edge emits an empty object for RTCIceCandidateComplete‥\n      var end = !cand || Object.keys(cand).length === 0;\n      if (end) {\n        // polyfill since RTCIceGatherer.state is not implemented in\n        // Edge 10547 yet.\n        if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {\n          iceGatherer.state = 'completed';\n        }\n      } else {\n        if (iceGatherer.state === 'new') {\n          iceGatherer.state = 'gathering';\n        }\n        // RTCIceCandidate doesn't have a component, needs to be added\n        cand.component = 1;\n        // also the usernameFragment. TODO: update SDP to take both variants.\n        cand.ufrag = iceGatherer.getLocalParameters().usernameFragment;\n\n        var serializedCandidate = SDPUtils.writeCandidate(cand);\n        event.candidate = Object.assign(event.candidate,\n            SDPUtils.parseCandidate(serializedCandidate));\n\n        event.candidate.candidate = serializedCandidate;\n        event.candidate.toJSON = function() {\n          return {\n            candidate: event.candidate.candidate,\n            sdpMid: event.candidate.sdpMid,\n            sdpMLineIndex: event.candidate.sdpMLineIndex,\n            usernameFragment: event.candidate.usernameFragment\n          };\n        };\n      }\n\n      // update local description.\n      var sections = SDPUtils.getMediaSections(pc._localDescription.sdp);\n      if (!end) {\n        sections[event.candidate.sdpMLineIndex] +=\n            'a=' + event.candidate.candidate + '\\r\\n';\n      } else {\n        sections[event.candidate.sdpMLineIndex] +=\n            'a=end-of-candidates\\r\\n';\n      }\n      pc._localDescription.sdp =\n          SDPUtils.getDescription(pc._localDescription.sdp) +\n          sections.join('');\n      var complete = pc.transceivers.every(function(transceiver) {\n        return transceiver.iceGatherer &&\n            transceiver.iceGatherer.state === 'completed';\n      });\n\n      if (pc.iceGatheringState !== 'gathering') {\n        pc.iceGatheringState = 'gathering';\n        pc._emitGatheringStateChange();\n      }\n\n      // Emit candidate. Also emit null candidate when all gatherers are\n      // complete.\n      if (!end) {\n        pc._dispatchEvent('icecandidate', event);\n      }\n      if (complete) {\n        pc._dispatchEvent('icecandidate', new Event('icecandidate'));\n        pc.iceGatheringState = 'complete';\n        pc._emitGatheringStateChange();\n      }\n    };\n\n    // emit already gathered candidates.\n    window.setTimeout(function() {\n      bufferedCandidateEvents.forEach(function(e) {\n        iceGatherer.onlocalcandidate(e);\n      });\n    }, 0);\n  };\n\n  // Create ICE transport and DTLS transport.\n  RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {\n    var pc = this;\n    var iceTransport = new window.RTCIceTransport(null);\n    iceTransport.onicestatechange = function() {\n      pc._updateIceConnectionState();\n      pc._updateConnectionState();\n    };\n\n    var dtlsTransport = new window.RTCDtlsTransport(iceTransport);\n    dtlsTransport.ondtlsstatechange = function() {\n      pc._updateConnectionState();\n    };\n    dtlsTransport.onerror = function() {\n      // onerror does not set state to failed by itself.\n      Object.defineProperty(dtlsTransport, 'state',\n          {value: 'failed', writable: true});\n      pc._updateConnectionState();\n    };\n\n    return {\n      iceTransport: iceTransport,\n      dtlsTransport: dtlsTransport\n    };\n  };\n\n  // Destroy ICE gatherer, ICE transport and DTLS transport.\n  // Without triggering the callbacks.\n  RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(\n      sdpMLineIndex) {\n    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;\n    if (iceGatherer) {\n      delete iceGatherer.onlocalcandidate;\n      delete this.transceivers[sdpMLineIndex].iceGatherer;\n    }\n    var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;\n    if (iceTransport) {\n      delete iceTransport.onicestatechange;\n      delete this.transceivers[sdpMLineIndex].iceTransport;\n    }\n    var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;\n    if (dtlsTransport) {\n      delete dtlsTransport.ondtlsstatechange;\n      delete dtlsTransport.onerror;\n      delete this.transceivers[sdpMLineIndex].dtlsTransport;\n    }\n  };\n\n  // Start the RTP Sender and Receiver for a transceiver.\n  RTCPeerConnection.prototype._transceive = function(transceiver,\n      send, recv) {\n    var params = getCommonCapabilities(transceiver.localCapabilities,\n        transceiver.remoteCapabilities);\n    if (send && transceiver.rtpSender) {\n      params.encodings = transceiver.sendEncodingParameters;\n      params.rtcp = {\n        cname: SDPUtils.localCName,\n        compound: transceiver.rtcpParameters.compound\n      };\n      if (transceiver.recvEncodingParameters.length) {\n        params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;\n      }\n      transceiver.rtpSender.send(params);\n    }\n    if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {\n      // remove RTX field in Edge 14942\n      if (transceiver.kind === 'video'\n          && transceiver.recvEncodingParameters\n          && edgeVersion < 15019) {\n        transceiver.recvEncodingParameters.forEach(function(p) {\n          delete p.rtx;\n        });\n      }\n      if (transceiver.recvEncodingParameters.length) {\n        params.encodings = transceiver.recvEncodingParameters;\n      } else {\n        params.encodings = [{}];\n      }\n      params.rtcp = {\n        compound: transceiver.rtcpParameters.compound\n      };\n      if (transceiver.rtcpParameters.cname) {\n        params.rtcp.cname = transceiver.rtcpParameters.cname;\n      }\n      if (transceiver.sendEncodingParameters.length) {\n        params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;\n      }\n      transceiver.rtpReceiver.receive(params);\n    }\n  };\n\n  RTCPeerConnection.prototype.setLocalDescription = function(description) {\n    var pc = this;\n\n    // Note: pranswer is not supported.\n    if (['offer', 'answer'].indexOf(description.type) === -1) {\n      return Promise.reject(makeError('TypeError',\n          'Unsupported type \"' + description.type + '\"'));\n    }\n\n    if (!isActionAllowedInSignalingState('setLocalDescription',\n        description.type, pc.signalingState) || pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not set local ' + description.type +\n          ' in state ' + pc.signalingState));\n    }\n\n    var sections;\n    var sessionpart;\n    if (description.type === 'offer') {\n      // VERY limited support for SDP munging. Limited to:\n      // * changing the order of codecs\n      sections = SDPUtils.splitSections(description.sdp);\n      sessionpart = sections.shift();\n      sections.forEach(function(mediaSection, sdpMLineIndex) {\n        var caps = SDPUtils.parseRtpParameters(mediaSection);\n        pc.transceivers[sdpMLineIndex].localCapabilities = caps;\n      });\n\n      pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n        pc._gather(transceiver.mid, sdpMLineIndex);\n      });\n    } else if (description.type === 'answer') {\n      sections = SDPUtils.splitSections(pc._remoteDescription.sdp);\n      sessionpart = sections.shift();\n      var isIceLite = SDPUtils.matchPrefix(sessionpart,\n          'a=ice-lite').length > 0;\n      sections.forEach(function(mediaSection, sdpMLineIndex) {\n        var transceiver = pc.transceivers[sdpMLineIndex];\n        var iceGatherer = transceiver.iceGatherer;\n        var iceTransport = transceiver.iceTransport;\n        var dtlsTransport = transceiver.dtlsTransport;\n        var localCapabilities = transceiver.localCapabilities;\n        var remoteCapabilities = transceiver.remoteCapabilities;\n\n        // treat bundle-only as not-rejected.\n        var rejected = SDPUtils.isRejected(mediaSection) &&\n            SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;\n\n        if (!rejected && !transceiver.rejected) {\n          var remoteIceParameters = SDPUtils.getIceParameters(\n              mediaSection, sessionpart);\n          var remoteDtlsParameters = SDPUtils.getDtlsParameters(\n              mediaSection, sessionpart);\n          if (isIceLite) {\n            remoteDtlsParameters.role = 'server';\n          }\n\n          if (!pc.usingBundle || sdpMLineIndex === 0) {\n            pc._gather(transceiver.mid, sdpMLineIndex);\n            if (iceTransport.state === 'new') {\n              iceTransport.start(iceGatherer, remoteIceParameters,\n                  isIceLite ? 'controlling' : 'controlled');\n            }\n            if (dtlsTransport.state === 'new') {\n              dtlsTransport.start(remoteDtlsParameters);\n            }\n          }\n\n          // Calculate intersection of capabilities.\n          var params = getCommonCapabilities(localCapabilities,\n              remoteCapabilities);\n\n          // Start the RTCRtpSender. The RTCRtpReceiver for this\n          // transceiver has already been started in setRemoteDescription.\n          pc._transceive(transceiver,\n              params.codecs.length > 0,\n              false);\n        }\n      });\n    }\n\n    pc._localDescription = {\n      type: description.type,\n      sdp: description.sdp\n    };\n    if (description.type === 'offer') {\n      pc._updateSignalingState('have-local-offer');\n    } else {\n      pc._updateSignalingState('stable');\n    }\n\n    return Promise.resolve();\n  };\n\n  RTCPeerConnection.prototype.setRemoteDescription = function(description) {\n    var pc = this;\n\n    // Note: pranswer is not supported.\n    if (['offer', 'answer'].indexOf(description.type) === -1) {\n      return Promise.reject(makeError('TypeError',\n          'Unsupported type \"' + description.type + '\"'));\n    }\n\n    if (!isActionAllowedInSignalingState('setRemoteDescription',\n        description.type, pc.signalingState) || pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not set remote ' + description.type +\n          ' in state ' + pc.signalingState));\n    }\n\n    var streams = {};\n    pc.remoteStreams.forEach(function(stream) {\n      streams[stream.id] = stream;\n    });\n    var receiverList = [];\n    var sections = SDPUtils.splitSections(description.sdp);\n    var sessionpart = sections.shift();\n    var isIceLite = SDPUtils.matchPrefix(sessionpart,\n        'a=ice-lite').length > 0;\n    var usingBundle = SDPUtils.matchPrefix(sessionpart,\n        'a=group:BUNDLE ').length > 0;\n    pc.usingBundle = usingBundle;\n    var iceOptions = SDPUtils.matchPrefix(sessionpart,\n        'a=ice-options:')[0];\n    if (iceOptions) {\n      pc.canTrickleIceCandidates = iceOptions.substr(14).split(' ')\n          .indexOf('trickle') >= 0;\n    } else {\n      pc.canTrickleIceCandidates = false;\n    }\n\n    sections.forEach(function(mediaSection, sdpMLineIndex) {\n      var lines = SDPUtils.splitLines(mediaSection);\n      var kind = SDPUtils.getKind(mediaSection);\n      // treat bundle-only as not-rejected.\n      var rejected = SDPUtils.isRejected(mediaSection) &&\n          SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;\n      var protocol = lines[0].substr(2).split(' ')[2];\n\n      var direction = SDPUtils.getDirection(mediaSection, sessionpart);\n      var remoteMsid = SDPUtils.parseMsid(mediaSection);\n\n      var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();\n\n      // Reject datachannels which are not implemented yet.\n      if (rejected || (kind === 'application' && (protocol === 'DTLS/SCTP' ||\n          protocol === 'UDP/DTLS/SCTP'))) {\n        // TODO: this is dangerous in the case where a non-rejected m-line\n        //     becomes rejected.\n        pc.transceivers[sdpMLineIndex] = {\n          mid: mid,\n          kind: kind,\n          protocol: protocol,\n          rejected: true\n        };\n        return;\n      }\n\n      if (!rejected && pc.transceivers[sdpMLineIndex] &&\n          pc.transceivers[sdpMLineIndex].rejected) {\n        // recycle a rejected transceiver.\n        pc.transceivers[sdpMLineIndex] = pc._createTransceiver(kind, true);\n      }\n\n      var transceiver;\n      var iceGatherer;\n      var iceTransport;\n      var dtlsTransport;\n      var rtpReceiver;\n      var sendEncodingParameters;\n      var recvEncodingParameters;\n      var localCapabilities;\n\n      var track;\n      // FIXME: ensure the mediaSection has rtcp-mux set.\n      var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);\n      var remoteIceParameters;\n      var remoteDtlsParameters;\n      if (!rejected) {\n        remoteIceParameters = SDPUtils.getIceParameters(mediaSection,\n            sessionpart);\n        remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,\n            sessionpart);\n        remoteDtlsParameters.role = 'client';\n      }\n      recvEncodingParameters =\n          SDPUtils.parseRtpEncodingParameters(mediaSection);\n\n      var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);\n\n      var isComplete = SDPUtils.matchPrefix(mediaSection,\n          'a=end-of-candidates', sessionpart).length > 0;\n      var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')\n          .map(function(cand) {\n            return SDPUtils.parseCandidate(cand);\n          })\n          .filter(function(cand) {\n            return cand.component === 1;\n          });\n\n      // Check if we can use BUNDLE and dispose transports.\n      if ((description.type === 'offer' || description.type === 'answer') &&\n          !rejected && usingBundle && sdpMLineIndex > 0 &&\n          pc.transceivers[sdpMLineIndex]) {\n        pc._disposeIceAndDtlsTransports(sdpMLineIndex);\n        pc.transceivers[sdpMLineIndex].iceGatherer =\n            pc.transceivers[0].iceGatherer;\n        pc.transceivers[sdpMLineIndex].iceTransport =\n            pc.transceivers[0].iceTransport;\n        pc.transceivers[sdpMLineIndex].dtlsTransport =\n            pc.transceivers[0].dtlsTransport;\n        if (pc.transceivers[sdpMLineIndex].rtpSender) {\n          pc.transceivers[sdpMLineIndex].rtpSender.setTransport(\n              pc.transceivers[0].dtlsTransport);\n        }\n        if (pc.transceivers[sdpMLineIndex].rtpReceiver) {\n          pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(\n              pc.transceivers[0].dtlsTransport);\n        }\n      }\n      if (description.type === 'offer' && !rejected) {\n        transceiver = pc.transceivers[sdpMLineIndex] ||\n            pc._createTransceiver(kind);\n        transceiver.mid = mid;\n\n        if (!transceiver.iceGatherer) {\n          transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,\n              usingBundle);\n        }\n\n        if (cands.length && transceiver.iceTransport.state === 'new') {\n          if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {\n            transceiver.iceTransport.setRemoteCandidates(cands);\n          } else {\n            cands.forEach(function(candidate) {\n              maybeAddCandidate(transceiver.iceTransport, candidate);\n            });\n          }\n        }\n\n        localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);\n\n        // filter RTX until additional stuff needed for RTX is implemented\n        // in adapter.js\n        if (edgeVersion < 15019) {\n          localCapabilities.codecs = localCapabilities.codecs.filter(\n              function(codec) {\n                return codec.name !== 'rtx';\n              });\n        }\n\n        sendEncodingParameters = transceiver.sendEncodingParameters || [{\n          ssrc: (2 * sdpMLineIndex + 2) * 1001\n        }];\n\n        // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams\n        var isNewTrack = false;\n        if (direction === 'sendrecv' || direction === 'sendonly') {\n          isNewTrack = !transceiver.rtpReceiver;\n          rtpReceiver = transceiver.rtpReceiver ||\n              new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);\n\n          if (isNewTrack) {\n            var stream;\n            track = rtpReceiver.track;\n            // FIXME: does not work with Plan B.\n            if (remoteMsid && remoteMsid.stream === '-') {\n              // no-op. a stream id of '-' means: no associated stream.\n            } else if (remoteMsid) {\n              if (!streams[remoteMsid.stream]) {\n                streams[remoteMsid.stream] = new window.MediaStream();\n                Object.defineProperty(streams[remoteMsid.stream], 'id', {\n                  get: function() {\n                    return remoteMsid.stream;\n                  }\n                });\n              }\n              Object.defineProperty(track, 'id', {\n                get: function() {\n                  return remoteMsid.track;\n                }\n              });\n              stream = streams[remoteMsid.stream];\n            } else {\n              if (!streams.default) {\n                streams.default = new window.MediaStream();\n              }\n              stream = streams.default;\n            }\n            if (stream) {\n              addTrackToStreamAndFireEvent(track, stream);\n              transceiver.associatedRemoteMediaStreams.push(stream);\n            }\n            receiverList.push([track, rtpReceiver, stream]);\n          }\n        } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {\n          transceiver.associatedRemoteMediaStreams.forEach(function(s) {\n            var nativeTrack = s.getTracks().find(function(t) {\n              return t.id === transceiver.rtpReceiver.track.id;\n            });\n            if (nativeTrack) {\n              removeTrackFromStreamAndFireEvent(nativeTrack, s);\n            }\n          });\n          transceiver.associatedRemoteMediaStreams = [];\n        }\n\n        transceiver.localCapabilities = localCapabilities;\n        transceiver.remoteCapabilities = remoteCapabilities;\n        transceiver.rtpReceiver = rtpReceiver;\n        transceiver.rtcpParameters = rtcpParameters;\n        transceiver.sendEncodingParameters = sendEncodingParameters;\n        transceiver.recvEncodingParameters = recvEncodingParameters;\n\n        // Start the RTCRtpReceiver now. The RTPSender is started in\n        // setLocalDescription.\n        pc._transceive(pc.transceivers[sdpMLineIndex],\n            false,\n            isNewTrack);\n      } else if (description.type === 'answer' && !rejected) {\n        transceiver = pc.transceivers[sdpMLineIndex];\n        iceGatherer = transceiver.iceGatherer;\n        iceTransport = transceiver.iceTransport;\n        dtlsTransport = transceiver.dtlsTransport;\n        rtpReceiver = transceiver.rtpReceiver;\n        sendEncodingParameters = transceiver.sendEncodingParameters;\n        localCapabilities = transceiver.localCapabilities;\n\n        pc.transceivers[sdpMLineIndex].recvEncodingParameters =\n            recvEncodingParameters;\n        pc.transceivers[sdpMLineIndex].remoteCapabilities =\n            remoteCapabilities;\n        pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;\n\n        if (cands.length && iceTransport.state === 'new') {\n          if ((isIceLite || isComplete) &&\n              (!usingBundle || sdpMLineIndex === 0)) {\n            iceTransport.setRemoteCandidates(cands);\n          } else {\n            cands.forEach(function(candidate) {\n              maybeAddCandidate(transceiver.iceTransport, candidate);\n            });\n          }\n        }\n\n        if (!usingBundle || sdpMLineIndex === 0) {\n          if (iceTransport.state === 'new') {\n            iceTransport.start(iceGatherer, remoteIceParameters,\n                'controlling');\n          }\n          if (dtlsTransport.state === 'new') {\n            dtlsTransport.start(remoteDtlsParameters);\n          }\n        }\n\n        // If the offer contained RTX but the answer did not,\n        // remove RTX from sendEncodingParameters.\n        var commonCapabilities = getCommonCapabilities(\n          transceiver.localCapabilities,\n          transceiver.remoteCapabilities);\n\n        var hasRtx = commonCapabilities.codecs.filter(function(c) {\n          return c.name.toLowerCase() === 'rtx';\n        }).length;\n        if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {\n          delete transceiver.sendEncodingParameters[0].rtx;\n        }\n\n        pc._transceive(transceiver,\n            direction === 'sendrecv' || direction === 'recvonly',\n            direction === 'sendrecv' || direction === 'sendonly');\n\n        // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams\n        if (rtpReceiver &&\n            (direction === 'sendrecv' || direction === 'sendonly')) {\n          track = rtpReceiver.track;\n          if (remoteMsid) {\n            if (!streams[remoteMsid.stream]) {\n              streams[remoteMsid.stream] = new window.MediaStream();\n            }\n            addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);\n            receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);\n          } else {\n            if (!streams.default) {\n              streams.default = new window.MediaStream();\n            }\n            addTrackToStreamAndFireEvent(track, streams.default);\n            receiverList.push([track, rtpReceiver, streams.default]);\n          }\n        } else {\n          // FIXME: actually the receiver should be created later.\n          delete transceiver.rtpReceiver;\n        }\n      }\n    });\n\n    if (pc._dtlsRole === undefined) {\n      pc._dtlsRole = description.type === 'offer' ? 'active' : 'passive';\n    }\n\n    pc._remoteDescription = {\n      type: description.type,\n      sdp: description.sdp\n    };\n    if (description.type === 'offer') {\n      pc._updateSignalingState('have-remote-offer');\n    } else {\n      pc._updateSignalingState('stable');\n    }\n    Object.keys(streams).forEach(function(sid) {\n      var stream = streams[sid];\n      if (stream.getTracks().length) {\n        if (pc.remoteStreams.indexOf(stream) === -1) {\n          pc.remoteStreams.push(stream);\n          var event = new Event('addstream');\n          event.stream = stream;\n          window.setTimeout(function() {\n            pc._dispatchEvent('addstream', event);\n          });\n        }\n\n        receiverList.forEach(function(item) {\n          var track = item[0];\n          var receiver = item[1];\n          if (stream.id !== item[2].id) {\n            return;\n          }\n          fireAddTrack(pc, track, receiver, [stream]);\n        });\n      }\n    });\n    receiverList.forEach(function(item) {\n      if (item[2]) {\n        return;\n      }\n      fireAddTrack(pc, item[0], item[1], []);\n    });\n\n    // check whether addIceCandidate({}) was called within four seconds after\n    // setRemoteDescription.\n    window.setTimeout(function() {\n      if (!(pc && pc.transceivers)) {\n        return;\n      }\n      pc.transceivers.forEach(function(transceiver) {\n        if (transceiver.iceTransport &&\n            transceiver.iceTransport.state === 'new' &&\n            transceiver.iceTransport.getRemoteCandidates().length > 0) {\n          console.warn('Timeout for addRemoteCandidate. Consider sending ' +\n              'an end-of-candidates notification');\n          transceiver.iceTransport.addRemoteCandidate({});\n        }\n      });\n    }, 4000);\n\n    return Promise.resolve();\n  };\n\n  RTCPeerConnection.prototype.close = function() {\n    this.transceivers.forEach(function(transceiver) {\n      /* not yet\n      if (transceiver.iceGatherer) {\n        transceiver.iceGatherer.close();\n      }\n      */\n      if (transceiver.iceTransport) {\n        transceiver.iceTransport.stop();\n      }\n      if (transceiver.dtlsTransport) {\n        transceiver.dtlsTransport.stop();\n      }\n      if (transceiver.rtpSender) {\n        transceiver.rtpSender.stop();\n      }\n      if (transceiver.rtpReceiver) {\n        transceiver.rtpReceiver.stop();\n      }\n    });\n    // FIXME: clean up tracks, local streams, remote streams, etc\n    this._isClosed = true;\n    this._updateSignalingState('closed');\n  };\n\n  // Update the signaling state.\n  RTCPeerConnection.prototype._updateSignalingState = function(newState) {\n    this.signalingState = newState;\n    var event = new Event('signalingstatechange');\n    this._dispatchEvent('signalingstatechange', event);\n  };\n\n  // Determine whether to fire the negotiationneeded event.\n  RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {\n    var pc = this;\n    if (this.signalingState !== 'stable' || this.needNegotiation === true) {\n      return;\n    }\n    this.needNegotiation = true;\n    window.setTimeout(function() {\n      if (pc.needNegotiation) {\n        pc.needNegotiation = false;\n        var event = new Event('negotiationneeded');\n        pc._dispatchEvent('negotiationneeded', event);\n      }\n    }, 0);\n  };\n\n  // Update the ice connection state.\n  RTCPeerConnection.prototype._updateIceConnectionState = function() {\n    var newState;\n    var states = {\n      'new': 0,\n      closed: 0,\n      checking: 0,\n      connected: 0,\n      completed: 0,\n      disconnected: 0,\n      failed: 0\n    };\n    this.transceivers.forEach(function(transceiver) {\n      if (transceiver.iceTransport && !transceiver.rejected) {\n        states[transceiver.iceTransport.state]++;\n      }\n    });\n\n    newState = 'new';\n    if (states.failed > 0) {\n      newState = 'failed';\n    } else if (states.checking > 0) {\n      newState = 'checking';\n    } else if (states.disconnected > 0) {\n      newState = 'disconnected';\n    } else if (states.new > 0) {\n      newState = 'new';\n    } else if (states.connected > 0) {\n      newState = 'connected';\n    } else if (states.completed > 0) {\n      newState = 'completed';\n    }\n\n    if (newState !== this.iceConnectionState) {\n      this.iceConnectionState = newState;\n      var event = new Event('iceconnectionstatechange');\n      this._dispatchEvent('iceconnectionstatechange', event);\n    }\n  };\n\n  // Update the connection state.\n  RTCPeerConnection.prototype._updateConnectionState = function() {\n    var newState;\n    var states = {\n      'new': 0,\n      closed: 0,\n      connecting: 0,\n      connected: 0,\n      completed: 0,\n      disconnected: 0,\n      failed: 0\n    };\n    this.transceivers.forEach(function(transceiver) {\n      if (transceiver.iceTransport && transceiver.dtlsTransport &&\n          !transceiver.rejected) {\n        states[transceiver.iceTransport.state]++;\n        states[transceiver.dtlsTransport.state]++;\n      }\n    });\n    // ICETransport.completed and connected are the same for this purpose.\n    states.connected += states.completed;\n\n    newState = 'new';\n    if (states.failed > 0) {\n      newState = 'failed';\n    } else if (states.connecting > 0) {\n      newState = 'connecting';\n    } else if (states.disconnected > 0) {\n      newState = 'disconnected';\n    } else if (states.new > 0) {\n      newState = 'new';\n    } else if (states.connected > 0) {\n      newState = 'connected';\n    }\n\n    if (newState !== this.connectionState) {\n      this.connectionState = newState;\n      var event = new Event('connectionstatechange');\n      this._dispatchEvent('connectionstatechange', event);\n    }\n  };\n\n  RTCPeerConnection.prototype.createOffer = function() {\n    var pc = this;\n\n    if (pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createOffer after close'));\n    }\n\n    var numAudioTracks = pc.transceivers.filter(function(t) {\n      return t.kind === 'audio';\n    }).length;\n    var numVideoTracks = pc.transceivers.filter(function(t) {\n      return t.kind === 'video';\n    }).length;\n\n    // Determine number of audio and video tracks we need to send/recv.\n    var offerOptions = arguments[0];\n    if (offerOptions) {\n      // Reject Chrome legacy constraints.\n      if (offerOptions.mandatory || offerOptions.optional) {\n        throw new TypeError(\n            'Legacy mandatory/optional constraints not supported.');\n      }\n      if (offerOptions.offerToReceiveAudio !== undefined) {\n        if (offerOptions.offerToReceiveAudio === true) {\n          numAudioTracks = 1;\n        } else if (offerOptions.offerToReceiveAudio === false) {\n          numAudioTracks = 0;\n        } else {\n          numAudioTracks = offerOptions.offerToReceiveAudio;\n        }\n      }\n      if (offerOptions.offerToReceiveVideo !== undefined) {\n        if (offerOptions.offerToReceiveVideo === true) {\n          numVideoTracks = 1;\n        } else if (offerOptions.offerToReceiveVideo === false) {\n          numVideoTracks = 0;\n        } else {\n          numVideoTracks = offerOptions.offerToReceiveVideo;\n        }\n      }\n    }\n\n    pc.transceivers.forEach(function(transceiver) {\n      if (transceiver.kind === 'audio') {\n        numAudioTracks--;\n        if (numAudioTracks < 0) {\n          transceiver.wantReceive = false;\n        }\n      } else if (transceiver.kind === 'video') {\n        numVideoTracks--;\n        if (numVideoTracks < 0) {\n          transceiver.wantReceive = false;\n        }\n      }\n    });\n\n    // Create M-lines for recvonly streams.\n    while (numAudioTracks > 0 || numVideoTracks > 0) {\n      if (numAudioTracks > 0) {\n        pc._createTransceiver('audio');\n        numAudioTracks--;\n      }\n      if (numVideoTracks > 0) {\n        pc._createTransceiver('video');\n        numVideoTracks--;\n      }\n    }\n\n    var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,\n        pc._sdpSessionVersion++);\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      // For each track, create an ice gatherer, ice transport,\n      // dtls transport, potentially rtpsender and rtpreceiver.\n      var track = transceiver.track;\n      var kind = transceiver.kind;\n      var mid = transceiver.mid || SDPUtils.generateIdentifier();\n      transceiver.mid = mid;\n\n      if (!transceiver.iceGatherer) {\n        transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,\n            pc.usingBundle);\n      }\n\n      var localCapabilities = window.RTCRtpSender.getCapabilities(kind);\n      // filter RTX until additional stuff needed for RTX is implemented\n      // in adapter.js\n      if (edgeVersion < 15019) {\n        localCapabilities.codecs = localCapabilities.codecs.filter(\n            function(codec) {\n              return codec.name !== 'rtx';\n            });\n      }\n      localCapabilities.codecs.forEach(function(codec) {\n        // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552\n        // by adding level-asymmetry-allowed=1\n        if (codec.name === 'H264' &&\n            codec.parameters['level-asymmetry-allowed'] === undefined) {\n          codec.parameters['level-asymmetry-allowed'] = '1';\n        }\n\n        // for subsequent offers, we might have to re-use the payload\n        // type of the last offer.\n        if (transceiver.remoteCapabilities &&\n            transceiver.remoteCapabilities.codecs) {\n          transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec) {\n            if (codec.name.toLowerCase() === remoteCodec.name.toLowerCase() &&\n                codec.clockRate === remoteCodec.clockRate) {\n              codec.preferredPayloadType = remoteCodec.payloadType;\n            }\n          });\n        }\n      });\n      localCapabilities.headerExtensions.forEach(function(hdrExt) {\n        var remoteExtensions = transceiver.remoteCapabilities &&\n            transceiver.remoteCapabilities.headerExtensions || [];\n        remoteExtensions.forEach(function(rHdrExt) {\n          if (hdrExt.uri === rHdrExt.uri) {\n            hdrExt.id = rHdrExt.id;\n          }\n        });\n      });\n\n      // generate an ssrc now, to be used later in rtpSender.send\n      var sendEncodingParameters = transceiver.sendEncodingParameters || [{\n        ssrc: (2 * sdpMLineIndex + 1) * 1001\n      }];\n      if (track) {\n        // add RTX\n        if (edgeVersion >= 15019 && kind === 'video' &&\n            !sendEncodingParameters[0].rtx) {\n          sendEncodingParameters[0].rtx = {\n            ssrc: sendEncodingParameters[0].ssrc + 1\n          };\n        }\n      }\n\n      if (transceiver.wantReceive) {\n        transceiver.rtpReceiver = new window.RTCRtpReceiver(\n            transceiver.dtlsTransport, kind);\n      }\n\n      transceiver.localCapabilities = localCapabilities;\n      transceiver.sendEncodingParameters = sendEncodingParameters;\n    });\n\n    // always offer BUNDLE and dispose on return if not supported.\n    if (pc._config.bundlePolicy !== 'max-compat') {\n      sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {\n        return t.mid;\n      }).join(' ') + '\\r\\n';\n    }\n    sdp += 'a=ice-options:trickle\\r\\n';\n\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      sdp += writeMediaSection(transceiver, transceiver.localCapabilities,\n          'offer', transceiver.stream, pc._dtlsRole);\n      sdp += 'a=rtcp-rsize\\r\\n';\n\n      if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&\n          (sdpMLineIndex === 0 || !pc.usingBundle)) {\n        transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {\n          cand.component = 1;\n          sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\\r\\n';\n        });\n\n        if (transceiver.iceGatherer.state === 'completed') {\n          sdp += 'a=end-of-candidates\\r\\n';\n        }\n      }\n    });\n\n    var desc = new window.RTCSessionDescription({\n      type: 'offer',\n      sdp: sdp\n    });\n    return Promise.resolve(desc);\n  };\n\n  RTCPeerConnection.prototype.createAnswer = function() {\n    var pc = this;\n\n    if (pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createAnswer after close'));\n    }\n\n    if (!(pc.signalingState === 'have-remote-offer' ||\n        pc.signalingState === 'have-local-pranswer')) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createAnswer in signalingState ' + pc.signalingState));\n    }\n\n    var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,\n        pc._sdpSessionVersion++);\n    if (pc.usingBundle) {\n      sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {\n        return t.mid;\n      }).join(' ') + '\\r\\n';\n    }\n    sdp += 'a=ice-options:trickle\\r\\n';\n\n    var mediaSectionsInOffer = SDPUtils.getMediaSections(\n        pc._remoteDescription.sdp).length;\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      if (sdpMLineIndex + 1 > mediaSectionsInOffer) {\n        return;\n      }\n      if (transceiver.rejected) {\n        if (transceiver.kind === 'application') {\n          if (transceiver.protocol === 'DTLS/SCTP') { // legacy fmt\n            sdp += 'm=application 0 DTLS/SCTP 5000\\r\\n';\n          } else {\n            sdp += 'm=application 0 ' + transceiver.protocol +\n                ' webrtc-datachannel\\r\\n';\n          }\n        } else if (transceiver.kind === 'audio') {\n          sdp += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\\r\\n' +\n              'a=rtpmap:0 PCMU/8000\\r\\n';\n        } else if (transceiver.kind === 'video') {\n          sdp += 'm=video 0 UDP/TLS/RTP/SAVPF 120\\r\\n' +\n              'a=rtpmap:120 VP8/90000\\r\\n';\n        }\n        sdp += 'c=IN IP4 0.0.0.0\\r\\n' +\n            'a=inactive\\r\\n' +\n            'a=mid:' + transceiver.mid + '\\r\\n';\n        return;\n      }\n\n      // FIXME: look at direction.\n      if (transceiver.stream) {\n        var localTrack;\n        if (transceiver.kind === 'audio') {\n          localTrack = transceiver.stream.getAudioTracks()[0];\n        } else if (transceiver.kind === 'video') {\n          localTrack = transceiver.stream.getVideoTracks()[0];\n        }\n        if (localTrack) {\n          // add RTX\n          if (edgeVersion >= 15019 && transceiver.kind === 'video' &&\n              !transceiver.sendEncodingParameters[0].rtx) {\n            transceiver.sendEncodingParameters[0].rtx = {\n              ssrc: transceiver.sendEncodingParameters[0].ssrc + 1\n            };\n          }\n        }\n      }\n\n      // Calculate intersection of capabilities.\n      var commonCapabilities = getCommonCapabilities(\n          transceiver.localCapabilities,\n          transceiver.remoteCapabilities);\n\n      var hasRtx = commonCapabilities.codecs.filter(function(c) {\n        return c.name.toLowerCase() === 'rtx';\n      }).length;\n      if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {\n        delete transceiver.sendEncodingParameters[0].rtx;\n      }\n\n      sdp += writeMediaSection(transceiver, commonCapabilities,\n          'answer', transceiver.stream, pc._dtlsRole);\n      if (transceiver.rtcpParameters &&\n          transceiver.rtcpParameters.reducedSize) {\n        sdp += 'a=rtcp-rsize\\r\\n';\n      }\n    });\n\n    var desc = new window.RTCSessionDescription({\n      type: 'answer',\n      sdp: sdp\n    });\n    return Promise.resolve(desc);\n  };\n\n  RTCPeerConnection.prototype.addIceCandidate = function(candidate) {\n    var pc = this;\n    var sections;\n    if (candidate && !(candidate.sdpMLineIndex !== undefined ||\n        candidate.sdpMid)) {\n      return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));\n    }\n\n    // TODO: needs to go into ops queue.\n    return new Promise(function(resolve, reject) {\n      if (!pc._remoteDescription) {\n        return reject(makeError('InvalidStateError',\n            'Can not add ICE candidate without a remote description'));\n      } else if (!candidate || candidate.candidate === '') {\n        for (var j = 0; j < pc.transceivers.length; j++) {\n          if (pc.transceivers[j].rejected) {\n            continue;\n          }\n          pc.transceivers[j].iceTransport.addRemoteCandidate({});\n          sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);\n          sections[j] += 'a=end-of-candidates\\r\\n';\n          pc._remoteDescription.sdp =\n              SDPUtils.getDescription(pc._remoteDescription.sdp) +\n              sections.join('');\n          if (pc.usingBundle) {\n            break;\n          }\n        }\n      } else {\n        var sdpMLineIndex = candidate.sdpMLineIndex;\n        if (candidate.sdpMid) {\n          for (var i = 0; i < pc.transceivers.length; i++) {\n            if (pc.transceivers[i].mid === candidate.sdpMid) {\n              sdpMLineIndex = i;\n              break;\n            }\n          }\n        }\n        var transceiver = pc.transceivers[sdpMLineIndex];\n        if (transceiver) {\n          if (transceiver.rejected) {\n            return resolve();\n          }\n          var cand = Object.keys(candidate.candidate).length > 0 ?\n              SDPUtils.parseCandidate(candidate.candidate) : {};\n          // Ignore Chrome's invalid candidates since Edge does not like them.\n          if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {\n            return resolve();\n          }\n          // Ignore RTCP candidates, we assume RTCP-MUX.\n          if (cand.component && cand.component !== 1) {\n            return resolve();\n          }\n          // when using bundle, avoid adding candidates to the wrong\n          // ice transport. And avoid adding candidates added in the SDP.\n          if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&\n              transceiver.iceTransport !== pc.transceivers[0].iceTransport)) {\n            if (!maybeAddCandidate(transceiver.iceTransport, cand)) {\n              return reject(makeError('OperationError',\n                  'Can not add ICE candidate'));\n            }\n          }\n\n          // update the remoteDescription.\n          var candidateString = candidate.candidate.trim();\n          if (candidateString.indexOf('a=') === 0) {\n            candidateString = candidateString.substr(2);\n          }\n          sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);\n          sections[sdpMLineIndex] += 'a=' +\n              (cand.type ? candidateString : 'end-of-candidates')\n              + '\\r\\n';\n          pc._remoteDescription.sdp =\n              SDPUtils.getDescription(pc._remoteDescription.sdp) +\n              sections.join('');\n        } else {\n          return reject(makeError('OperationError',\n              'Can not add ICE candidate'));\n        }\n      }\n      resolve();\n    });\n  };\n\n  RTCPeerConnection.prototype.getStats = function(selector) {\n    if (selector && selector instanceof window.MediaStreamTrack) {\n      var senderOrReceiver = null;\n      this.transceivers.forEach(function(transceiver) {\n        if (transceiver.rtpSender &&\n            transceiver.rtpSender.track === selector) {\n          senderOrReceiver = transceiver.rtpSender;\n        } else if (transceiver.rtpReceiver &&\n            transceiver.rtpReceiver.track === selector) {\n          senderOrReceiver = transceiver.rtpReceiver;\n        }\n      });\n      if (!senderOrReceiver) {\n        throw makeError('InvalidAccessError', 'Invalid selector.');\n      }\n      return senderOrReceiver.getStats();\n    }\n\n    var promises = [];\n    this.transceivers.forEach(function(transceiver) {\n      ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',\n          'dtlsTransport'].forEach(function(method) {\n            if (transceiver[method]) {\n              promises.push(transceiver[method].getStats());\n            }\n          });\n    });\n    return Promise.all(promises).then(function(allStats) {\n      var results = new Map();\n      allStats.forEach(function(stats) {\n        stats.forEach(function(stat) {\n          results.set(stat.id, stat);\n        });\n      });\n      return results;\n    });\n  };\n\n  // fix low-level stat names and return Map instead of object.\n  var ortcObjects = ['RTCRtpSender', 'RTCRtpReceiver', 'RTCIceGatherer',\n    'RTCIceTransport', 'RTCDtlsTransport'];\n  ortcObjects.forEach(function(ortcObjectName) {\n    var obj = window[ortcObjectName];\n    if (obj && obj.prototype && obj.prototype.getStats) {\n      var nativeGetstats = obj.prototype.getStats;\n      obj.prototype.getStats = function() {\n        return nativeGetstats.apply(this)\n        .then(function(nativeStats) {\n          var mapStats = new Map();\n          Object.keys(nativeStats).forEach(function(id) {\n            nativeStats[id].type = fixStatsType(nativeStats[id]);\n            mapStats.set(id, nativeStats[id]);\n          });\n          return mapStats;\n        });\n      };\n    }\n  });\n\n  // legacy callback shims. Should be moved to adapter.js some days.\n  var methods = ['createOffer', 'createAnswer'];\n  methods.forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[0] === 'function' ||\n          typeof args[1] === 'function') { // legacy\n        return nativeMethod.apply(this, [arguments[2]])\n        .then(function(description) {\n          if (typeof args[0] === 'function') {\n            args[0].apply(null, [description]);\n          }\n        }, function(error) {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null, [error]);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];\n  methods.forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[1] === 'function' ||\n          typeof args[2] === 'function') { // legacy\n        return nativeMethod.apply(this, arguments)\n        .then(function() {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null);\n          }\n        }, function(error) {\n          if (typeof args[2] === 'function') {\n            args[2].apply(null, [error]);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  // getStats is special. It doesn't have a spec legacy method yet we support\n  // getStats(something, cb) without error callbacks.\n  ['getStats'].forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[1] === 'function') {\n        return nativeMethod.apply(this, arguments)\n        .then(function() {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  return RTCPeerConnection;\n};\n\n},{\"sdp\":17}],17:[function(require,module,exports){\n/* eslint-env node */\n'use strict';\n\n// SDP helpers.\nvar SDPUtils = {};\n\n// Generate an alphanumeric identifier for cname or mids.\n// TODO: use UUIDs instead? https://gist.github.com/jed/982883\nSDPUtils.generateIdentifier = function() {\n  return Math.random().toString(36).substr(2, 10);\n};\n\n// The RTCP CNAME used by all peerconnections from the same JS.\nSDPUtils.localCName = SDPUtils.generateIdentifier();\n\n// Splits SDP into lines, dealing with both CRLF and LF.\nSDPUtils.splitLines = function(blob) {\n  return blob.trim().split('\\n').map(function(line) {\n    return line.trim();\n  });\n};\n// Splits SDP into sessionpart and mediasections. Ensures CRLF.\nSDPUtils.splitSections = function(blob) {\n  var parts = blob.split('\\nm=');\n  return parts.map(function(part, index) {\n    return (index > 0 ? 'm=' + part : part).trim() + '\\r\\n';\n  });\n};\n\n// returns the session description.\nSDPUtils.getDescription = function(blob) {\n  var sections = SDPUtils.splitSections(blob);\n  return sections && sections[0];\n};\n\n// returns the individual media sections.\nSDPUtils.getMediaSections = function(blob) {\n  var sections = SDPUtils.splitSections(blob);\n  sections.shift();\n  return sections;\n};\n\n// Returns lines that start with a certain prefix.\nSDPUtils.matchPrefix = function(blob, prefix) {\n  return SDPUtils.splitLines(blob).filter(function(line) {\n    return line.indexOf(prefix) === 0;\n  });\n};\n\n// Parses an ICE candidate line. Sample input:\n// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8\n// rport 55996\"\nSDPUtils.parseCandidate = function(line) {\n  var parts;\n  // Parse both variants.\n  if (line.indexOf('a=candidate:') === 0) {\n    parts = line.substring(12).split(' ');\n  } else {\n    parts = line.substring(10).split(' ');\n  }\n\n  var candidate = {\n    foundation: parts[0],\n    component: parseInt(parts[1], 10),\n    protocol: parts[2].toLowerCase(),\n    priority: parseInt(parts[3], 10),\n    ip: parts[4],\n    address: parts[4], // address is an alias for ip.\n    port: parseInt(parts[5], 10),\n    // skip parts[6] == 'typ'\n    type: parts[7]\n  };\n\n  for (var i = 8; i < parts.length; i += 2) {\n    switch (parts[i]) {\n      case 'raddr':\n        candidate.relatedAddress = parts[i + 1];\n        break;\n      case 'rport':\n        candidate.relatedPort = parseInt(parts[i + 1], 10);\n        break;\n      case 'tcptype':\n        candidate.tcpType = parts[i + 1];\n        break;\n      case 'ufrag':\n        candidate.ufrag = parts[i + 1]; // for backward compability.\n        candidate.usernameFragment = parts[i + 1];\n        break;\n      default: // extension handling, in particular ufrag\n        candidate[parts[i]] = parts[i + 1];\n        break;\n    }\n  }\n  return candidate;\n};\n\n// Translates a candidate object into SDP candidate attribute.\nSDPUtils.writeCandidate = function(candidate) {\n  var sdp = [];\n  sdp.push(candidate.foundation);\n  sdp.push(candidate.component);\n  sdp.push(candidate.protocol.toUpperCase());\n  sdp.push(candidate.priority);\n  sdp.push(candidate.address || candidate.ip);\n  sdp.push(candidate.port);\n\n  var type = candidate.type;\n  sdp.push('typ');\n  sdp.push(type);\n  if (type !== 'host' && candidate.relatedAddress &&\n      candidate.relatedPort) {\n    sdp.push('raddr');\n    sdp.push(candidate.relatedAddress);\n    sdp.push('rport');\n    sdp.push(candidate.relatedPort);\n  }\n  if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {\n    sdp.push('tcptype');\n    sdp.push(candidate.tcpType);\n  }\n  if (candidate.usernameFragment || candidate.ufrag) {\n    sdp.push('ufrag');\n    sdp.push(candidate.usernameFragment || candidate.ufrag);\n  }\n  return 'candidate:' + sdp.join(' ');\n};\n\n// Parses an ice-options line, returns an array of option tags.\n// a=ice-options:foo bar\nSDPUtils.parseIceOptions = function(line) {\n  return line.substr(14).split(' ');\n};\n\n// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:\n// a=rtpmap:111 opus/48000/2\nSDPUtils.parseRtpMap = function(line) {\n  var parts = line.substr(9).split(' ');\n  var parsed = {\n    payloadType: parseInt(parts.shift(), 10) // was: id\n  };\n\n  parts = parts[0].split('/');\n\n  parsed.name = parts[0];\n  parsed.clockRate = parseInt(parts[1], 10); // was: clockrate\n  parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;\n  // legacy alias, got renamed back to channels in ORTC.\n  parsed.numChannels = parsed.channels;\n  return parsed;\n};\n\n// Generate an a=rtpmap line from RTCRtpCodecCapability or\n// RTCRtpCodecParameters.\nSDPUtils.writeRtpMap = function(codec) {\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  var channels = codec.channels || codec.numChannels || 1;\n  return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +\n      (channels !== 1 ? '/' + channels : '') + '\\r\\n';\n};\n\n// Parses an a=extmap line (headerextension from RFC 5285). Sample input:\n// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\n// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset\nSDPUtils.parseExtmap = function(line) {\n  var parts = line.substr(9).split(' ');\n  return {\n    id: parseInt(parts[0], 10),\n    direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',\n    uri: parts[1]\n  };\n};\n\n// Generates a=extmap line from RTCRtpHeaderExtensionParameters or\n// RTCRtpHeaderExtension.\nSDPUtils.writeExtmap = function(headerExtension) {\n  return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +\n      (headerExtension.direction && headerExtension.direction !== 'sendrecv'\n        ? '/' + headerExtension.direction\n        : '') +\n      ' ' + headerExtension.uri + '\\r\\n';\n};\n\n// Parses an ftmp line, returns dictionary. Sample input:\n// a=fmtp:96 vbr=on;cng=on\n// Also deals with vbr=on; cng=on\nSDPUtils.parseFmtp = function(line) {\n  var parsed = {};\n  var kv;\n  var parts = line.substr(line.indexOf(' ') + 1).split(';');\n  for (var j = 0; j < parts.length; j++) {\n    kv = parts[j].trim().split('=');\n    parsed[kv[0].trim()] = kv[1];\n  }\n  return parsed;\n};\n\n// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeFmtp = function(codec) {\n  var line = '';\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.parameters && Object.keys(codec.parameters).length) {\n    var params = [];\n    Object.keys(codec.parameters).forEach(function(param) {\n      if (codec.parameters[param]) {\n        params.push(param + '=' + codec.parameters[param]);\n      } else {\n        params.push(param);\n      }\n    });\n    line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\\r\\n';\n  }\n  return line;\n};\n\n// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:\n// a=rtcp-fb:98 nack rpsi\nSDPUtils.parseRtcpFb = function(line) {\n  var parts = line.substr(line.indexOf(' ') + 1).split(' ');\n  return {\n    type: parts.shift(),\n    parameter: parts.join(' ')\n  };\n};\n// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeRtcpFb = function(codec) {\n  var lines = '';\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.rtcpFeedback && codec.rtcpFeedback.length) {\n    // FIXME: special handling for trr-int?\n    codec.rtcpFeedback.forEach(function(fb) {\n      lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +\n      (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +\n          '\\r\\n';\n    });\n  }\n  return lines;\n};\n\n// Parses an RFC 5576 ssrc media attribute. Sample input:\n// a=ssrc:3735928559 cname:something\nSDPUtils.parseSsrcMedia = function(line) {\n  var sp = line.indexOf(' ');\n  var parts = {\n    ssrc: parseInt(line.substr(7, sp - 7), 10)\n  };\n  var colon = line.indexOf(':', sp);\n  if (colon > -1) {\n    parts.attribute = line.substr(sp + 1, colon - sp - 1);\n    parts.value = line.substr(colon + 1);\n  } else {\n    parts.attribute = line.substr(sp + 1);\n  }\n  return parts;\n};\n\nSDPUtils.parseSsrcGroup = function(line) {\n  var parts = line.substr(13).split(' ');\n  return {\n    semantics: parts.shift(),\n    ssrcs: parts.map(function(ssrc) {\n      return parseInt(ssrc, 10);\n    })\n  };\n};\n\n// Extracts the MID (RFC 5888) from a media section.\n// returns the MID or undefined if no mid line was found.\nSDPUtils.getMid = function(mediaSection) {\n  var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];\n  if (mid) {\n    return mid.substr(6);\n  }\n};\n\nSDPUtils.parseFingerprint = function(line) {\n  var parts = line.substr(14).split(' ');\n  return {\n    algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.\n    value: parts[1]\n  };\n};\n\n// Extracts DTLS parameters from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the fingerprint line as input. See also getIceParameters.\nSDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {\n  var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=fingerprint:');\n  // Note: a=setup line is ignored since we use the 'auto' role.\n  // Note2: 'algorithm' is not case sensitive except in Edge.\n  return {\n    role: 'auto',\n    fingerprints: lines.map(SDPUtils.parseFingerprint)\n  };\n};\n\n// Serializes DTLS parameters to SDP.\nSDPUtils.writeDtlsParameters = function(params, setupType) {\n  var sdp = 'a=setup:' + setupType + '\\r\\n';\n  params.fingerprints.forEach(function(fp) {\n    sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\\r\\n';\n  });\n  return sdp;\n};\n// Parses ICE information from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the ice-ufrag and ice-pwd lines as input.\nSDPUtils.getIceParameters = function(mediaSection, sessionpart) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  // Search in session part, too.\n  lines = lines.concat(SDPUtils.splitLines(sessionpart));\n  var iceParameters = {\n    usernameFragment: lines.filter(function(line) {\n      return line.indexOf('a=ice-ufrag:') === 0;\n    })[0].substr(12),\n    password: lines.filter(function(line) {\n      return line.indexOf('a=ice-pwd:') === 0;\n    })[0].substr(10)\n  };\n  return iceParameters;\n};\n\n// Serializes ICE parameters to SDP.\nSDPUtils.writeIceParameters = function(params) {\n  return 'a=ice-ufrag:' + params.usernameFragment + '\\r\\n' +\n      'a=ice-pwd:' + params.password + '\\r\\n';\n};\n\n// Parses the SDP media section and returns RTCRtpParameters.\nSDPUtils.parseRtpParameters = function(mediaSection) {\n  var description = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: [],\n    rtcp: []\n  };\n  var lines = SDPUtils.splitLines(mediaSection);\n  var mline = lines[0].split(' ');\n  for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]\n    var pt = mline[i];\n    var rtpmapline = SDPUtils.matchPrefix(\n      mediaSection, 'a=rtpmap:' + pt + ' ')[0];\n    if (rtpmapline) {\n      var codec = SDPUtils.parseRtpMap(rtpmapline);\n      var fmtps = SDPUtils.matchPrefix(\n        mediaSection, 'a=fmtp:' + pt + ' ');\n      // Only the first a=fmtp:<pt> is considered.\n      codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};\n      codec.rtcpFeedback = SDPUtils.matchPrefix(\n        mediaSection, 'a=rtcp-fb:' + pt + ' ')\n        .map(SDPUtils.parseRtcpFb);\n      description.codecs.push(codec);\n      // parse FEC mechanisms from rtpmap lines.\n      switch (codec.name.toUpperCase()) {\n        case 'RED':\n        case 'ULPFEC':\n          description.fecMechanisms.push(codec.name.toUpperCase());\n          break;\n        default: // only RED and ULPFEC are recognized as FEC mechanisms.\n          break;\n      }\n    }\n  }\n  SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {\n    description.headerExtensions.push(SDPUtils.parseExtmap(line));\n  });\n  // FIXME: parse rtcp.\n  return description;\n};\n\n// Generates parts of the SDP media section describing the capabilities /\n// parameters.\nSDPUtils.writeRtpDescription = function(kind, caps) {\n  var sdp = '';\n\n  // Build the mline.\n  sdp += 'm=' + kind + ' ';\n  sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.\n  sdp += ' UDP/TLS/RTP/SAVPF ';\n  sdp += caps.codecs.map(function(codec) {\n    if (codec.preferredPayloadType !== undefined) {\n      return codec.preferredPayloadType;\n    }\n    return codec.payloadType;\n  }).join(' ') + '\\r\\n';\n\n  sdp += 'c=IN IP4 0.0.0.0\\r\\n';\n  sdp += 'a=rtcp:9 IN IP4 0.0.0.0\\r\\n';\n\n  // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.\n  caps.codecs.forEach(function(codec) {\n    sdp += SDPUtils.writeRtpMap(codec);\n    sdp += SDPUtils.writeFmtp(codec);\n    sdp += SDPUtils.writeRtcpFb(codec);\n  });\n  var maxptime = 0;\n  caps.codecs.forEach(function(codec) {\n    if (codec.maxptime > maxptime) {\n      maxptime = codec.maxptime;\n    }\n  });\n  if (maxptime > 0) {\n    sdp += 'a=maxptime:' + maxptime + '\\r\\n';\n  }\n  sdp += 'a=rtcp-mux\\r\\n';\n\n  if (caps.headerExtensions) {\n    caps.headerExtensions.forEach(function(extension) {\n      sdp += SDPUtils.writeExtmap(extension);\n    });\n  }\n  // FIXME: write fecMechanisms.\n  return sdp;\n};\n\n// Parses the SDP media section and returns an array of\n// RTCRtpEncodingParameters.\nSDPUtils.parseRtpEncodingParameters = function(mediaSection) {\n  var encodingParameters = [];\n  var description = SDPUtils.parseRtpParameters(mediaSection);\n  var hasRed = description.fecMechanisms.indexOf('RED') !== -1;\n  var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;\n\n  // filter a=ssrc:... cname:, ignore PlanB-msid\n  var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(parts) {\n      return parts.attribute === 'cname';\n    });\n  var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;\n  var secondarySsrc;\n\n  var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')\n    .map(function(line) {\n      var parts = line.substr(17).split(' ');\n      return parts.map(function(part) {\n        return parseInt(part, 10);\n      });\n    });\n  if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {\n    secondarySsrc = flows[0][1];\n  }\n\n  description.codecs.forEach(function(codec) {\n    if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {\n      var encParam = {\n        ssrc: primarySsrc,\n        codecPayloadType: parseInt(codec.parameters.apt, 10)\n      };\n      if (primarySsrc && secondarySsrc) {\n        encParam.rtx = {ssrc: secondarySsrc};\n      }\n      encodingParameters.push(encParam);\n      if (hasRed) {\n        encParam = JSON.parse(JSON.stringify(encParam));\n        encParam.fec = {\n          ssrc: primarySsrc,\n          mechanism: hasUlpfec ? 'red+ulpfec' : 'red'\n        };\n        encodingParameters.push(encParam);\n      }\n    }\n  });\n  if (encodingParameters.length === 0 && primarySsrc) {\n    encodingParameters.push({\n      ssrc: primarySsrc\n    });\n  }\n\n  // we support both b=AS and b=TIAS but interpret AS as TIAS.\n  var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');\n  if (bandwidth.length) {\n    if (bandwidth[0].indexOf('b=TIAS:') === 0) {\n      bandwidth = parseInt(bandwidth[0].substr(7), 10);\n    } else if (bandwidth[0].indexOf('b=AS:') === 0) {\n      // use formula from JSEP to convert b=AS to TIAS value.\n      bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95\n          - (50 * 40 * 8);\n    } else {\n      bandwidth = undefined;\n    }\n    encodingParameters.forEach(function(params) {\n      params.maxBitrate = bandwidth;\n    });\n  }\n  return encodingParameters;\n};\n\n// parses http://draft.ortc.org/#rtcrtcpparameters*\nSDPUtils.parseRtcpParameters = function(mediaSection) {\n  var rtcpParameters = {};\n\n  // Gets the first SSRC. Note tha with RTX there might be multiple\n  // SSRCs.\n  var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(obj) {\n      return obj.attribute === 'cname';\n    })[0];\n  if (remoteSsrc) {\n    rtcpParameters.cname = remoteSsrc.value;\n    rtcpParameters.ssrc = remoteSsrc.ssrc;\n  }\n\n  // Edge uses the compound attribute instead of reducedSize\n  // compound is !reducedSize\n  var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');\n  rtcpParameters.reducedSize = rsize.length > 0;\n  rtcpParameters.compound = rsize.length === 0;\n\n  // parses the rtcp-mux attrіbute.\n  // Note that Edge does not support unmuxed RTCP.\n  var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');\n  rtcpParameters.mux = mux.length > 0;\n\n  return rtcpParameters;\n};\n\n// parses either a=msid: or a=ssrc:... msid lines and returns\n// the id of the MediaStream and MediaStreamTrack.\nSDPUtils.parseMsid = function(mediaSection) {\n  var parts;\n  var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');\n  if (spec.length === 1) {\n    parts = spec[0].substr(7).split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n  var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(msidParts) {\n      return msidParts.attribute === 'msid';\n    });\n  if (planB.length > 0) {\n    parts = planB[0].value.split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n};\n\n// SCTP\n// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back\n// to draft-ietf-mmusic-sctp-sdp-05\nSDPUtils.parseSctpDescription = function(mediaSection) {\n  var mline = SDPUtils.parseMLine(mediaSection);\n  var maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');\n  var maxMessageSize;\n  if (maxSizeLine.length > 0) {\n    maxMessageSize = parseInt(maxSizeLine[0].substr(19), 10);\n  }\n  if (isNaN(maxMessageSize)) {\n    maxMessageSize = 65536;\n  }\n  var sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');\n  if (sctpPort.length > 0) {\n    return {\n      port: parseInt(sctpPort[0].substr(12), 10),\n      protocol: mline.fmt,\n      maxMessageSize: maxMessageSize\n    };\n  }\n  var sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');\n  if (sctpMapLines.length > 0) {\n    var parts = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:')[0]\n      .substr(10)\n      .split(' ');\n    return {\n      port: parseInt(parts[0], 10),\n      protocol: parts[1],\n      maxMessageSize: maxMessageSize\n    };\n  }\n};\n\n// SCTP\n// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers\n// support by now receiving in this format, unless we originally parsed\n// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line\n// protocol of DTLS/SCTP -- without UDP/ or TCP/)\nSDPUtils.writeSctpDescription = function(media, sctp) {\n  var output = [];\n  if (media.protocol !== 'DTLS/SCTP') {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctp-port:' + sctp.port + '\\r\\n'\n    ];\n  } else {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\\r\\n'\n    ];\n  }\n  if (sctp.maxMessageSize !== undefined) {\n    output.push('a=max-message-size:' + sctp.maxMessageSize + '\\r\\n');\n  }\n  return output.join('');\n};\n\n// Generate a session ID for SDP.\n// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1\n// recommends using a cryptographically random +ve 64-bit value\n// but right now this should be acceptable and within the right range\nSDPUtils.generateSessionId = function() {\n  return Math.random().toString().substr(2, 21);\n};\n\n// Write boilder plate for start of SDP\n// sessId argument is optional - if not supplied it will\n// be generated randomly\n// sessVersion is optional and defaults to 2\n// sessUser is optional and defaults to 'thisisadapterortc'\nSDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {\n  var sessionId;\n  var version = sessVer !== undefined ? sessVer : 2;\n  if (sessId) {\n    sessionId = sessId;\n  } else {\n    sessionId = SDPUtils.generateSessionId();\n  }\n  var user = sessUser || 'thisisadapterortc';\n  // FIXME: sess-id should be an NTP timestamp.\n  return 'v=0\\r\\n' +\n      'o=' + user + ' ' + sessionId + ' ' + version +\n        ' IN IP4 127.0.0.1\\r\\n' +\n      's=-\\r\\n' +\n      't=0 0\\r\\n';\n};\n\nSDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {\n  var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);\n\n  // Map ICE parameters (ufrag, pwd) to SDP.\n  sdp += SDPUtils.writeIceParameters(\n    transceiver.iceGatherer.getLocalParameters());\n\n  // Map DTLS parameters to SDP.\n  sdp += SDPUtils.writeDtlsParameters(\n    transceiver.dtlsTransport.getLocalParameters(),\n    type === 'offer' ? 'actpass' : 'active');\n\n  sdp += 'a=mid:' + transceiver.mid + '\\r\\n';\n\n  if (transceiver.direction) {\n    sdp += 'a=' + transceiver.direction + '\\r\\n';\n  } else if (transceiver.rtpSender && transceiver.rtpReceiver) {\n    sdp += 'a=sendrecv\\r\\n';\n  } else if (transceiver.rtpSender) {\n    sdp += 'a=sendonly\\r\\n';\n  } else if (transceiver.rtpReceiver) {\n    sdp += 'a=recvonly\\r\\n';\n  } else {\n    sdp += 'a=inactive\\r\\n';\n  }\n\n  if (transceiver.rtpSender) {\n    // spec.\n    var msid = 'msid:' + stream.id + ' ' +\n        transceiver.rtpSender.track.id + '\\r\\n';\n    sdp += 'a=' + msid;\n\n    // for Chrome.\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n        ' ' + msid;\n    if (transceiver.sendEncodingParameters[0].rtx) {\n      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n          ' ' + msid;\n      sdp += 'a=ssrc-group:FID ' +\n          transceiver.sendEncodingParameters[0].ssrc + ' ' +\n          transceiver.sendEncodingParameters[0].rtx.ssrc +\n          '\\r\\n';\n    }\n  }\n  // FIXME: this should be written by writeRtpDescription.\n  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n      ' cname:' + SDPUtils.localCName + '\\r\\n';\n  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n        ' cname:' + SDPUtils.localCName + '\\r\\n';\n  }\n  return sdp;\n};\n\n// Gets the direction from the mediaSection or the sessionpart.\nSDPUtils.getDirection = function(mediaSection, sessionpart) {\n  // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.\n  var lines = SDPUtils.splitLines(mediaSection);\n  for (var i = 0; i < lines.length; i++) {\n    switch (lines[i]) {\n      case 'a=sendrecv':\n      case 'a=sendonly':\n      case 'a=recvonly':\n      case 'a=inactive':\n        return lines[i].substr(2);\n      default:\n        // FIXME: What should happen here?\n    }\n  }\n  if (sessionpart) {\n    return SDPUtils.getDirection(sessionpart);\n  }\n  return 'sendrecv';\n};\n\nSDPUtils.getKind = function(mediaSection) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  var mline = lines[0].split(' ');\n  return mline[0].substr(2);\n};\n\nSDPUtils.isRejected = function(mediaSection) {\n  return mediaSection.split(' ', 2)[1] === '0';\n};\n\nSDPUtils.parseMLine = function(mediaSection) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  var parts = lines[0].substr(2).split(' ');\n  return {\n    kind: parts[0],\n    port: parseInt(parts[1], 10),\n    protocol: parts[2],\n    fmt: parts.slice(3).join(' ')\n  };\n};\n\nSDPUtils.parseOLine = function(mediaSection) {\n  var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];\n  var parts = line.substr(2).split(' ');\n  return {\n    username: parts[0],\n    sessionId: parts[1],\n    sessionVersion: parseInt(parts[2], 10),\n    netType: parts[3],\n    addressType: parts[4],\n    address: parts[5]\n  };\n};\n\n// a very naive interpretation of a valid SDP.\nSDPUtils.isValidSDP = function(blob) {\n  if (typeof blob !== 'string' || blob.length === 0) {\n    return false;\n  }\n  var lines = SDPUtils.splitLines(blob);\n  for (var i = 0; i < lines.length; i++) {\n    if (lines[i].length < 2 || lines[i].charAt(1) !== '=') {\n      return false;\n    }\n    // TODO: check the modifier a bit more.\n  }\n  return true;\n};\n\n// Expose public methods.\nif (typeof module === 'object') {\n  module.exports = SDPUtils;\n}\n\n},{}]},{},[1])(1)\n});"],"file":"adapter.min.js"}
\ No newline at end of file
+{"version":3,"file":"adapter.min.js","sources":["../src/adapter.js"],"sourcesContent":["/**\n * Description of import/upgrade into Moodle:\n *\n * 1. Visit https://github.com/webrtc/adapter/releases.\n * 2. Check if the version has been updated from what is listed in lib/thirdpartylibs.xml in the Moodle wwwroot.\n * 3. If it has -\n *    1. Download the source code.\n *    2. Copy the content of the file release/adapter.js from the archive (ignore the first line).\n *    3. Replace the content below \"return (function e(t,n,r) ..\" in this file with the content you copied.\n *    4. Ensure to update lib/thirdpartylibs.xml with any changes.\n */\n\n// ESLint directives.\n/* eslint-disable */\n\n// JSHint directives.\n/* jshint ignore:start */\n\ndefine([], function() {\nreturn (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n\n'use strict';\n\nvar _adapter_factory = require('./adapter_factory.js');\n\nvar adapter = (0, _adapter_factory.adapterFactory)({ window: window });\nmodule.exports = adapter; // this is the difference from adapter_core.\n\n},{\"./adapter_factory.js\":2}],2:[function(require,module,exports){\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.adapterFactory = adapterFactory;\n\nvar _utils = require('./utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nvar _chrome_shim = require('./chrome/chrome_shim');\n\nvar chromeShim = _interopRequireWildcard(_chrome_shim);\n\nvar _edge_shim = require('./edge/edge_shim');\n\nvar edgeShim = _interopRequireWildcard(_edge_shim);\n\nvar _firefox_shim = require('./firefox/firefox_shim');\n\nvar firefoxShim = _interopRequireWildcard(_firefox_shim);\n\nvar _safari_shim = require('./safari/safari_shim');\n\nvar safariShim = _interopRequireWildcard(_safari_shim);\n\nvar _common_shim = require('./common_shim');\n\nvar commonShim = _interopRequireWildcard(_common_shim);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\n// Shimming starts here.\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\nfunction adapterFactory() {\n  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n      window = _ref.window;\n\n  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n    shimChrome: true,\n    shimFirefox: true,\n    shimEdge: true,\n    shimSafari: true\n  };\n\n  // Utils.\n  var logging = utils.log;\n  var browserDetails = utils.detectBrowser(window);\n\n  var adapter = {\n    browserDetails: browserDetails,\n    commonShim: commonShim,\n    extractVersion: utils.extractVersion,\n    disableLog: utils.disableLog,\n    disableWarnings: utils.disableWarnings\n  };\n\n  // Shim browser if found.\n  switch (browserDetails.browser) {\n    case 'chrome':\n      if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {\n        logging('Chrome shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming chrome.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = chromeShim;\n\n      chromeShim.shimGetUserMedia(window);\n      chromeShim.shimMediaStream(window);\n      chromeShim.shimPeerConnection(window);\n      chromeShim.shimOnTrack(window);\n      chromeShim.shimAddTrackRemoveTrack(window);\n      chromeShim.shimGetSendersWithDtmf(window);\n      chromeShim.shimGetStats(window);\n      chromeShim.shimSenderReceiverGetStats(window);\n      chromeShim.fixNegotiationNeeded(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimConnectionState(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      commonShim.removeAllowExtmapMixed(window);\n      break;\n    case 'firefox':\n      if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {\n        logging('Firefox shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming firefox.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = firefoxShim;\n\n      firefoxShim.shimGetUserMedia(window);\n      firefoxShim.shimPeerConnection(window);\n      firefoxShim.shimOnTrack(window);\n      firefoxShim.shimRemoveStream(window);\n      firefoxShim.shimSenderGetStats(window);\n      firefoxShim.shimReceiverGetStats(window);\n      firefoxShim.shimRTCDataChannel(window);\n      firefoxShim.shimAddTransceiver(window);\n      firefoxShim.shimCreateOffer(window);\n      firefoxShim.shimCreateAnswer(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimConnectionState(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      break;\n    case 'edge':\n      if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {\n        logging('MS edge shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming edge.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = edgeShim;\n\n      edgeShim.shimGetUserMedia(window);\n      edgeShim.shimGetDisplayMedia(window);\n      edgeShim.shimPeerConnection(window);\n      edgeShim.shimReplaceTrack(window);\n\n      // the edge shim implements the full RTCIceCandidate object.\n\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      break;\n    case 'safari':\n      if (!safariShim || !options.shimSafari) {\n        logging('Safari shim is not included in this adapter release.');\n        return adapter;\n      }\n      logging('adapter.js shimming safari.');\n      // Export to the adapter global object visible in the browser.\n      adapter.browserShim = safariShim;\n\n      safariShim.shimRTCIceServerUrls(window);\n      safariShim.shimCreateOfferLegacy(window);\n      safariShim.shimCallbacksAPI(window);\n      safariShim.shimLocalStreamsAPI(window);\n      safariShim.shimRemoteStreamsAPI(window);\n      safariShim.shimTrackEventTransceiver(window);\n      safariShim.shimGetUserMedia(window);\n\n      commonShim.shimRTCIceCandidate(window);\n      commonShim.shimMaxMessageSize(window);\n      commonShim.shimSendThrowTypeError(window);\n      commonShim.removeAllowExtmapMixed(window);\n      break;\n    default:\n      logging('Unsupported browser!');\n      break;\n  }\n\n  return adapter;\n}\n\n// Browser shims.\n\n},{\"./chrome/chrome_shim\":3,\"./common_shim\":6,\"./edge/edge_shim\":7,\"./firefox/firefox_shim\":11,\"./safari/safari_shim\":14,\"./utils\":15}],3:[function(require,module,exports){\n\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimMediaStream = shimMediaStream;\nexports.shimOnTrack = shimOnTrack;\nexports.shimGetSendersWithDtmf = shimGetSendersWithDtmf;\nexports.shimGetStats = shimGetStats;\nexports.shimSenderReceiverGetStats = shimSenderReceiverGetStats;\nexports.shimAddTrackRemoveTrackWithNative = shimAddTrackRemoveTrackWithNative;\nexports.shimAddTrackRemoveTrack = shimAddTrackRemoveTrack;\nexports.shimPeerConnection = shimPeerConnection;\nexports.fixNegotiationNeeded = fixNegotiationNeeded;\n\nvar _utils = require('../utils.js');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction shimMediaStream(window) {\n  window.MediaStream = window.MediaStream || window.webkitMediaStream;\n}\n\nfunction shimOnTrack(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('ontrack' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {\n      get: function get() {\n        return this._ontrack;\n      },\n      set: function set(f) {\n        if (this._ontrack) {\n          this.removeEventListener('track', this._ontrack);\n        }\n        this.addEventListener('track', this._ontrack = f);\n      },\n\n      enumerable: true,\n      configurable: true\n    });\n    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n      var _this = this;\n\n      if (!this._ontrackpoly) {\n        this._ontrackpoly = function (e) {\n          // onaddstream does not fire when a track is added to an existing\n          // stream. But stream.onaddtrack is implemented so we use that.\n          e.stream.addEventListener('addtrack', function (te) {\n            var receiver = void 0;\n            if (window.RTCPeerConnection.prototype.getReceivers) {\n              receiver = _this.getReceivers().find(function (r) {\n                return r.track && r.track.id === te.track.id;\n              });\n            } else {\n              receiver = { track: te.track };\n            }\n\n            var event = new Event('track');\n            event.track = te.track;\n            event.receiver = receiver;\n            event.transceiver = { receiver: receiver };\n            event.streams = [e.stream];\n            _this.dispatchEvent(event);\n          });\n          e.stream.getTracks().forEach(function (track) {\n            var receiver = void 0;\n            if (window.RTCPeerConnection.prototype.getReceivers) {\n              receiver = _this.getReceivers().find(function (r) {\n                return r.track && r.track.id === track.id;\n              });\n            } else {\n              receiver = { track: track };\n            }\n            var event = new Event('track');\n            event.track = track;\n            event.receiver = receiver;\n            event.transceiver = { receiver: receiver };\n            event.streams = [e.stream];\n            _this.dispatchEvent(event);\n          });\n        };\n        this.addEventListener('addstream', this._ontrackpoly);\n      }\n      return origSetRemoteDescription.apply(this, arguments);\n    };\n  } else {\n    // even if RTCRtpTransceiver is in window, it is only used and\n    // emitted in unified-plan. Unfortunately this means we need\n    // to unconditionally wrap the event.\n    utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n      if (!e.transceiver) {\n        Object.defineProperty(e, 'transceiver', { value: { receiver: e.receiver } });\n      }\n      return e;\n    });\n  }\n}\n\nfunction shimGetSendersWithDtmf(window) {\n  // Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && !('getSenders' in window.RTCPeerConnection.prototype) && 'createDTMFSender' in window.RTCPeerConnection.prototype) {\n    var shimSenderWithDtmf = function shimSenderWithDtmf(pc, track) {\n      return {\n        track: track,\n        get dtmf() {\n          if (this._dtmf === undefined) {\n            if (track.kind === 'audio') {\n              this._dtmf = pc.createDTMFSender(track);\n            } else {\n              this._dtmf = null;\n            }\n          }\n          return this._dtmf;\n        },\n        _pc: pc\n      };\n    };\n\n    // augment addTrack when getSenders is not available.\n    if (!window.RTCPeerConnection.prototype.getSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        this._senders = this._senders || [];\n        return this._senders.slice(); // return a copy of the internal state.\n      };\n      var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n      window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n        var sender = origAddTrack.apply(this, arguments);\n        if (!sender) {\n          sender = shimSenderWithDtmf(this, track);\n          this._senders.push(sender);\n        }\n        return sender;\n      };\n\n      var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n      window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n        origRemoveTrack.apply(this, arguments);\n        var idx = this._senders.indexOf(sender);\n        if (idx !== -1) {\n          this._senders.splice(idx, 1);\n        }\n      };\n    }\n    var origAddStream = window.RTCPeerConnection.prototype.addStream;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      var _this2 = this;\n\n      this._senders = this._senders || [];\n      origAddStream.apply(this, [stream]);\n      stream.getTracks().forEach(function (track) {\n        _this2._senders.push(shimSenderWithDtmf(_this2, track));\n      });\n    };\n\n    var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n      var _this3 = this;\n\n      this._senders = this._senders || [];\n      origRemoveStream.apply(this, [stream]);\n\n      stream.getTracks().forEach(function (track) {\n        var sender = _this3._senders.find(function (s) {\n          return s.track === track;\n        });\n        if (sender) {\n          // remove sender\n          _this3._senders.splice(_this3._senders.indexOf(sender), 1);\n        }\n      });\n    };\n  } else if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && 'getSenders' in window.RTCPeerConnection.prototype && 'createDTMFSender' in window.RTCPeerConnection.prototype && window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {\n    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      var _this4 = this;\n\n      var senders = origGetSenders.apply(this, []);\n      senders.forEach(function (sender) {\n        return sender._pc = _this4;\n      });\n      return senders;\n    };\n\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get: function get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = this._pc.createDTMFSender(this.track);\n          } else {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n}\n\nfunction shimGetStats(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  var origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    var _this5 = this;\n\n    var _arguments = Array.prototype.slice.call(arguments),\n        selector = _arguments[0],\n        onSucc = _arguments[1],\n        onErr = _arguments[2];\n\n    // If selector is a function then we are in the old style stats so just\n    // pass back the original getStats format to avoid breaking old users.\n\n\n    if (arguments.length > 0 && typeof selector === 'function') {\n      return origGetStats.apply(this, arguments);\n    }\n\n    // When spec-style getStats is supported, return those when called with\n    // either no arguments or the selector argument is null.\n    if (origGetStats.length === 0 && (arguments.length === 0 || typeof selector !== 'function')) {\n      return origGetStats.apply(this, []);\n    }\n\n    var fixChromeStats_ = function fixChromeStats_(response) {\n      var standardReport = {};\n      var reports = response.result();\n      reports.forEach(function (report) {\n        var standardStats = {\n          id: report.id,\n          timestamp: report.timestamp,\n          type: {\n            localcandidate: 'local-candidate',\n            remotecandidate: 'remote-candidate'\n          }[report.type] || report.type\n        };\n        report.names().forEach(function (name) {\n          standardStats[name] = report.stat(name);\n        });\n        standardReport[standardStats.id] = standardStats;\n      });\n\n      return standardReport;\n    };\n\n    // shim getStats with maplike support\n    var makeMapStats = function makeMapStats(stats) {\n      return new Map(Object.keys(stats).map(function (key) {\n        return [key, stats[key]];\n      }));\n    };\n\n    if (arguments.length >= 2) {\n      var successCallbackWrapper_ = function successCallbackWrapper_(response) {\n        onSucc(makeMapStats(fixChromeStats_(response)));\n      };\n\n      return origGetStats.apply(this, [successCallbackWrapper_, selector]);\n    }\n\n    // promise-support\n    return new Promise(function (resolve, reject) {\n      origGetStats.apply(_this5, [function (response) {\n        resolve(makeMapStats(fixChromeStats_(response)));\n      }, reject]);\n    }).then(onSucc, onErr);\n  };\n}\n\nfunction shimSenderReceiverGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender && window.RTCRtpReceiver)) {\n    return;\n  }\n\n  // shim sender stats.\n  if (!('getStats' in window.RTCRtpSender.prototype)) {\n    var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n    if (origGetSenders) {\n      window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n        var _this6 = this;\n\n        var senders = origGetSenders.apply(this, []);\n        senders.forEach(function (sender) {\n          return sender._pc = _this6;\n        });\n        return senders;\n      };\n    }\n\n    var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n    if (origAddTrack) {\n      window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n        var sender = origAddTrack.apply(this, arguments);\n        sender._pc = this;\n        return sender;\n      };\n    }\n    window.RTCRtpSender.prototype.getStats = function getStats() {\n      var sender = this;\n      return this._pc.getStats().then(function (result) {\n        return (\n          /* Note: this will include stats of all senders that\n           *   send a track with the same id as sender.track as\n           *   it is not possible to identify the RTCRtpSender.\n           */\n          utils.filterStats(result, sender.track, true)\n        );\n      });\n    };\n  }\n\n  // shim receiver stats.\n  if (!('getStats' in window.RTCRtpReceiver.prototype)) {\n    var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n    if (origGetReceivers) {\n      window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n        var _this7 = this;\n\n        var receivers = origGetReceivers.apply(this, []);\n        receivers.forEach(function (receiver) {\n          return receiver._pc = _this7;\n        });\n        return receivers;\n      };\n    }\n    utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n      e.receiver._pc = e.srcElement;\n      return e;\n    });\n    window.RTCRtpReceiver.prototype.getStats = function getStats() {\n      var receiver = this;\n      return this._pc.getStats().then(function (result) {\n        return utils.filterStats(result, receiver.track, false);\n      });\n    };\n  }\n\n  if (!('getStats' in window.RTCRtpSender.prototype && 'getStats' in window.RTCRtpReceiver.prototype)) {\n    return;\n  }\n\n  // shim RTCPeerConnection.getStats(track).\n  var origGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    if (arguments.length > 0 && arguments[0] instanceof window.MediaStreamTrack) {\n      var track = arguments[0];\n      var sender = void 0;\n      var receiver = void 0;\n      var err = void 0;\n      this.getSenders().forEach(function (s) {\n        if (s.track === track) {\n          if (sender) {\n            err = true;\n          } else {\n            sender = s;\n          }\n        }\n      });\n      this.getReceivers().forEach(function (r) {\n        if (r.track === track) {\n          if (receiver) {\n            err = true;\n          } else {\n            receiver = r;\n          }\n        }\n        return r.track === track;\n      });\n      if (err || sender && receiver) {\n        return Promise.reject(new DOMException('There are more than one sender or receiver for the track.', 'InvalidAccessError'));\n      } else if (sender) {\n        return sender.getStats();\n      } else if (receiver) {\n        return receiver.getStats();\n      }\n      return Promise.reject(new DOMException('There is no sender or receiver for the track.', 'InvalidAccessError'));\n    }\n    return origGetStats.apply(this, arguments);\n  };\n}\n\nfunction shimAddTrackRemoveTrackWithNative(window) {\n  // shim addTrack/removeTrack with native variants in order to make\n  // the interactions with legacy getLocalStreams behave as in other browsers.\n  // Keeps a mapping stream.id => [stream, rtpsenders...]\n  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n    var _this8 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    return Object.keys(this._shimmedLocalStreams).map(function (streamId) {\n      return _this8._shimmedLocalStreams[streamId][0];\n    });\n  };\n\n  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n    if (!stream) {\n      return origAddTrack.apply(this, arguments);\n    }\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    var sender = origAddTrack.apply(this, arguments);\n    if (!this._shimmedLocalStreams[stream.id]) {\n      this._shimmedLocalStreams[stream.id] = [stream, sender];\n    } else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {\n      this._shimmedLocalStreams[stream.id].push(sender);\n    }\n    return sender;\n  };\n\n  var origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    var _this9 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n\n    stream.getTracks().forEach(function (track) {\n      var alreadyExists = _this9.getSenders().find(function (s) {\n        return s.track === track;\n      });\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.', 'InvalidAccessError');\n      }\n    });\n    var existingSenders = this.getSenders();\n    origAddStream.apply(this, arguments);\n    var newSenders = this.getSenders().filter(function (newSender) {\n      return existingSenders.indexOf(newSender) === -1;\n    });\n    this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);\n  };\n\n  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    delete this._shimmedLocalStreams[stream.id];\n    return origRemoveStream.apply(this, arguments);\n  };\n\n  var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;\n  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n    var _this10 = this;\n\n    this._shimmedLocalStreams = this._shimmedLocalStreams || {};\n    if (sender) {\n      Object.keys(this._shimmedLocalStreams).forEach(function (streamId) {\n        var idx = _this10._shimmedLocalStreams[streamId].indexOf(sender);\n        if (idx !== -1) {\n          _this10._shimmedLocalStreams[streamId].splice(idx, 1);\n        }\n        if (_this10._shimmedLocalStreams[streamId].length === 1) {\n          delete _this10._shimmedLocalStreams[streamId];\n        }\n      });\n    }\n    return origRemoveTrack.apply(this, arguments);\n  };\n}\n\nfunction shimAddTrackRemoveTrack(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n  // shim addTrack and removeTrack.\n  if (window.RTCPeerConnection.prototype.addTrack && browserDetails.version >= 65) {\n    return shimAddTrackRemoveTrackWithNative(window);\n  }\n\n  // also shim pc.getLocalStreams when addTrack is shimmed\n  // to return the original streams.\n  var origGetLocalStreams = window.RTCPeerConnection.prototype.getLocalStreams;\n  window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n    var _this11 = this;\n\n    var nativeStreams = origGetLocalStreams.apply(this);\n    this._reverseStreams = this._reverseStreams || {};\n    return nativeStreams.map(function (stream) {\n      return _this11._reverseStreams[stream.id];\n    });\n  };\n\n  var origAddStream = window.RTCPeerConnection.prototype.addStream;\n  window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n    var _this12 = this;\n\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    stream.getTracks().forEach(function (track) {\n      var alreadyExists = _this12.getSenders().find(function (s) {\n        return s.track === track;\n      });\n      if (alreadyExists) {\n        throw new DOMException('Track already exists.', 'InvalidAccessError');\n      }\n    });\n    // Add identity mapping for consistency with addTrack.\n    // Unless this is being used with a stream from addTrack.\n    if (!this._reverseStreams[stream.id]) {\n      var newStream = new window.MediaStream(stream.getTracks());\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      stream = newStream;\n    }\n    origAddStream.apply(this, [stream]);\n  };\n\n  var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n\n    origRemoveStream.apply(this, [this._streams[stream.id] || stream]);\n    delete this._reverseStreams[this._streams[stream.id] ? this._streams[stream.id].id : stream.id];\n    delete this._streams[stream.id];\n  };\n\n  window.RTCPeerConnection.prototype.addTrack = function addTrack(track, stream) {\n    var _this13 = this;\n\n    if (this.signalingState === 'closed') {\n      throw new DOMException('The RTCPeerConnection\\'s signalingState is \\'closed\\'.', 'InvalidStateError');\n    }\n    var streams = [].slice.call(arguments, 1);\n    if (streams.length !== 1 || !streams[0].getTracks().find(function (t) {\n      return t === track;\n    })) {\n      // this is not fully correct but all we can manage without\n      // [[associated MediaStreams]] internal slot.\n      throw new DOMException('The adapter.js addTrack polyfill only supports a single ' + ' stream which is associated with the specified track.', 'NotSupportedError');\n    }\n\n    var alreadyExists = this.getSenders().find(function (s) {\n      return s.track === track;\n    });\n    if (alreadyExists) {\n      throw new DOMException('Track already exists.', 'InvalidAccessError');\n    }\n\n    this._streams = this._streams || {};\n    this._reverseStreams = this._reverseStreams || {};\n    var oldStream = this._streams[stream.id];\n    if (oldStream) {\n      // this is using odd Chrome behaviour, use with caution:\n      // https://bugs.chromium.org/p/webrtc/issues/detail?id=7815\n      // Note: we rely on the high-level addTrack/dtmf shim to\n      // create the sender with a dtmf sender.\n      oldStream.addTrack(track);\n\n      // Trigger ONN async.\n      Promise.resolve().then(function () {\n        _this13.dispatchEvent(new Event('negotiationneeded'));\n      });\n    } else {\n      var newStream = new window.MediaStream([track]);\n      this._streams[stream.id] = newStream;\n      this._reverseStreams[newStream.id] = stream;\n      this.addStream(newStream);\n    }\n    return this.getSenders().find(function (s) {\n      return s.track === track;\n    });\n  };\n\n  // replace the internal stream id with the external one and\n  // vice versa.\n  function replaceInternalStreamId(pc, description) {\n    var sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {\n      var externalStream = pc._reverseStreams[internalId];\n      var internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(internalStream.id, 'g'), externalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp: sdp\n    });\n  }\n  function replaceExternalStreamId(pc, description) {\n    var sdp = description.sdp;\n    Object.keys(pc._reverseStreams || []).forEach(function (internalId) {\n      var externalStream = pc._reverseStreams[internalId];\n      var internalStream = pc._streams[externalStream.id];\n      sdp = sdp.replace(new RegExp(externalStream.id, 'g'), internalStream.id);\n    });\n    return new RTCSessionDescription({\n      type: description.type,\n      sdp: sdp\n    });\n  }\n  ['createOffer', 'createAnswer'].forEach(function (method) {\n    var nativeMethod = window.RTCPeerConnection.prototype[method];\n    var methodObj = _defineProperty({}, method, function () {\n      var _this14 = this;\n\n      var args = arguments;\n      var isLegacyCall = arguments.length && typeof arguments[0] === 'function';\n      if (isLegacyCall) {\n        return nativeMethod.apply(this, [function (description) {\n          var desc = replaceInternalStreamId(_this14, description);\n          args[0].apply(null, [desc]);\n        }, function (err) {\n          if (args[1]) {\n            args[1].apply(null, err);\n          }\n        }, arguments[2]]);\n      }\n      return nativeMethod.apply(this, arguments).then(function (description) {\n        return replaceInternalStreamId(_this14, description);\n      });\n    });\n    window.RTCPeerConnection.prototype[method] = methodObj[method];\n  });\n\n  var origSetLocalDescription = window.RTCPeerConnection.prototype.setLocalDescription;\n  window.RTCPeerConnection.prototype.setLocalDescription = function setLocalDescription() {\n    if (!arguments.length || !arguments[0].type) {\n      return origSetLocalDescription.apply(this, arguments);\n    }\n    arguments[0] = replaceExternalStreamId(this, arguments[0]);\n    return origSetLocalDescription.apply(this, arguments);\n  };\n\n  // TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier\n\n  var origLocalDescription = Object.getOwnPropertyDescriptor(window.RTCPeerConnection.prototype, 'localDescription');\n  Object.defineProperty(window.RTCPeerConnection.prototype, 'localDescription', {\n    get: function get() {\n      var description = origLocalDescription.get.apply(this);\n      if (description.type === '') {\n        return description;\n      }\n      return replaceInternalStreamId(this, description);\n    }\n  });\n\n  window.RTCPeerConnection.prototype.removeTrack = function removeTrack(sender) {\n    var _this15 = this;\n\n    if (this.signalingState === 'closed') {\n      throw new DOMException('The RTCPeerConnection\\'s signalingState is \\'closed\\'.', 'InvalidStateError');\n    }\n    // We can not yet check for sender instanceof RTCRtpSender\n    // since we shim RTPSender. So we check if sender._pc is set.\n    if (!sender._pc) {\n      throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' + 'does not implement interface RTCRtpSender.', 'TypeError');\n    }\n    var isLocal = sender._pc === this;\n    if (!isLocal) {\n      throw new DOMException('Sender was not created by this connection.', 'InvalidAccessError');\n    }\n\n    // Search for the native stream the senders track belongs to.\n    this._streams = this._streams || {};\n    var stream = void 0;\n    Object.keys(this._streams).forEach(function (streamid) {\n      var hasTrack = _this15._streams[streamid].getTracks().find(function (track) {\n        return sender.track === track;\n      });\n      if (hasTrack) {\n        stream = _this15._streams[streamid];\n      }\n    });\n\n    if (stream) {\n      if (stream.getTracks().length === 1) {\n        // if this is the last track of the stream, remove the stream. This\n        // takes care of any shimmed _senders.\n        this.removeStream(this._reverseStreams[stream.id]);\n      } else {\n        // relying on the same odd chrome behaviour as above.\n        stream.removeTrack(sender.track);\n      }\n      this.dispatchEvent(new Event('negotiationneeded'));\n    }\n  };\n}\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.webkitRTCPeerConnection;\n  }\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n\n  // shim implicit creation of RTCSessionDescription/RTCIceCandidate\n  if (browserDetails.version < 53) {\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {\n      var nativeMethod = window.RTCPeerConnection.prototype[method];\n      var methodObj = _defineProperty({}, method, function () {\n        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n        return nativeMethod.apply(this, arguments);\n      });\n      window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n  }\n\n  // support for addIceCandidate(null or undefined)\n  var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n  window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n    if (!arguments[0]) {\n      if (arguments[1]) {\n        arguments[1].apply(null);\n      }\n      return Promise.resolve();\n    }\n    // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n    // in older versions. Native support planned for Chrome M77.\n    if (browserDetails.version < 78 && arguments[0] && arguments[0].candidate === '') {\n      return Promise.resolve();\n    }\n    return nativeAddIceCandidate.apply(this, arguments);\n  };\n}\n\nfunction fixNegotiationNeeded(window) {\n  utils.wrapPeerConnectionEvent(window, 'negotiationneeded', function (e) {\n    var pc = e.target;\n    if (pc.signalingState !== 'stable') {\n      return;\n    }\n    return e;\n  });\n}\n\n},{\"../utils.js\":15,\"./getdisplaymedia\":4,\"./getusermedia\":5}],4:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window, getSourceId) {\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  // getSourceId is a function that returns a promise resolving with\n  // the sourceId of the screen/window/tab to be shared.\n  if (typeof getSourceId !== 'function') {\n    console.error('shimGetDisplayMedia: getSourceId argument is not ' + 'a function');\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n    return getSourceId(constraints).then(function (sourceId) {\n      var widthSpecified = constraints.video && constraints.video.width;\n      var heightSpecified = constraints.video && constraints.video.height;\n      var frameRateSpecified = constraints.video && constraints.video.frameRate;\n      constraints.video = {\n        mandatory: {\n          chromeMediaSource: 'desktop',\n          chromeMediaSourceId: sourceId,\n          maxFrameRate: frameRateSpecified || 3\n        }\n      };\n      if (widthSpecified) {\n        constraints.video.mandatory.maxWidth = widthSpecified;\n      }\n      if (heightSpecified) {\n        constraints.video.mandatory.maxHeight = heightSpecified;\n      }\n      return window.navigator.mediaDevices.getUserMedia(constraints);\n    });\n  };\n}\n\n},{}],5:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimGetUserMedia = shimGetUserMedia;\n\nvar _utils = require('../utils.js');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nvar logging = utils.log;\n\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  if (!navigator.mediaDevices) {\n    return;\n  }\n\n  var browserDetails = utils.detectBrowser(window);\n\n  var constraintsToChrome_ = function constraintsToChrome_(c) {\n    if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) !== 'object' || c.mandatory || c.optional) {\n      return c;\n    }\n    var cc = {};\n    Object.keys(c).forEach(function (key) {\n      if (key === 'require' || key === 'advanced' || key === 'mediaSource') {\n        return;\n      }\n      var r = _typeof(c[key]) === 'object' ? c[key] : { ideal: c[key] };\n      if (r.exact !== undefined && typeof r.exact === 'number') {\n        r.min = r.max = r.exact;\n      }\n      var oldname_ = function oldname_(prefix, name) {\n        if (prefix) {\n          return prefix + name.charAt(0).toUpperCase() + name.slice(1);\n        }\n        return name === 'deviceId' ? 'sourceId' : name;\n      };\n      if (r.ideal !== undefined) {\n        cc.optional = cc.optional || [];\n        var oc = {};\n        if (typeof r.ideal === 'number') {\n          oc[oldname_('min', key)] = r.ideal;\n          cc.optional.push(oc);\n          oc = {};\n          oc[oldname_('max', key)] = r.ideal;\n          cc.optional.push(oc);\n        } else {\n          oc[oldname_('', key)] = r.ideal;\n          cc.optional.push(oc);\n        }\n      }\n      if (r.exact !== undefined && typeof r.exact !== 'number') {\n        cc.mandatory = cc.mandatory || {};\n        cc.mandatory[oldname_('', key)] = r.exact;\n      } else {\n        ['min', 'max'].forEach(function (mix) {\n          if (r[mix] !== undefined) {\n            cc.mandatory = cc.mandatory || {};\n            cc.mandatory[oldname_(mix, key)] = r[mix];\n          }\n        });\n      }\n    });\n    if (c.advanced) {\n      cc.optional = (cc.optional || []).concat(c.advanced);\n    }\n    return cc;\n  };\n\n  var shimConstraints_ = function shimConstraints_(constraints, func) {\n    if (browserDetails.version >= 61) {\n      return func(constraints);\n    }\n    constraints = JSON.parse(JSON.stringify(constraints));\n    if (constraints && _typeof(constraints.audio) === 'object') {\n      var remap = function remap(obj, a, b) {\n        if (a in obj && !(b in obj)) {\n          obj[b] = obj[a];\n          delete obj[a];\n        }\n      };\n      constraints = JSON.parse(JSON.stringify(constraints));\n      remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');\n      remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');\n      constraints.audio = constraintsToChrome_(constraints.audio);\n    }\n    if (constraints && _typeof(constraints.video) === 'object') {\n      // Shim facingMode for mobile & surface pro.\n      var face = constraints.video.facingMode;\n      face = face && ((typeof face === 'undefined' ? 'undefined' : _typeof(face)) === 'object' ? face : { ideal: face });\n      var getSupportedFacingModeLies = browserDetails.version < 66;\n\n      if (face && (face.exact === 'user' || face.exact === 'environment' || face.ideal === 'user' || face.ideal === 'environment') && !(navigator.mediaDevices.getSupportedConstraints && navigator.mediaDevices.getSupportedConstraints().facingMode && !getSupportedFacingModeLies)) {\n        delete constraints.video.facingMode;\n        var matches = void 0;\n        if (face.exact === 'environment' || face.ideal === 'environment') {\n          matches = ['back', 'rear'];\n        } else if (face.exact === 'user' || face.ideal === 'user') {\n          matches = ['front'];\n        }\n        if (matches) {\n          // Look for matches in label, or use last cam for back (typical).\n          return navigator.mediaDevices.enumerateDevices().then(function (devices) {\n            devices = devices.filter(function (d) {\n              return d.kind === 'videoinput';\n            });\n            var dev = devices.find(function (d) {\n              return matches.some(function (match) {\n                return d.label.toLowerCase().includes(match);\n              });\n            });\n            if (!dev && devices.length && matches.includes('back')) {\n              dev = devices[devices.length - 1]; // more likely the back cam\n            }\n            if (dev) {\n              constraints.video.deviceId = face.exact ? { exact: dev.deviceId } : { ideal: dev.deviceId };\n            }\n            constraints.video = constraintsToChrome_(constraints.video);\n            logging('chrome: ' + JSON.stringify(constraints));\n            return func(constraints);\n          });\n        }\n      }\n      constraints.video = constraintsToChrome_(constraints.video);\n    }\n    logging('chrome: ' + JSON.stringify(constraints));\n    return func(constraints);\n  };\n\n  var shimError_ = function shimError_(e) {\n    if (browserDetails.version >= 64) {\n      return e;\n    }\n    return {\n      name: {\n        PermissionDeniedError: 'NotAllowedError',\n        PermissionDismissedError: 'NotAllowedError',\n        InvalidStateError: 'NotAllowedError',\n        DevicesNotFoundError: 'NotFoundError',\n        ConstraintNotSatisfiedError: 'OverconstrainedError',\n        TrackStartError: 'NotReadableError',\n        MediaDeviceFailedDueToShutdown: 'NotAllowedError',\n        MediaDeviceKillSwitchOn: 'NotAllowedError',\n        TabCaptureError: 'AbortError',\n        ScreenCaptureError: 'AbortError',\n        DeviceCaptureError: 'AbortError'\n      }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint || e.constraintName,\n      toString: function toString() {\n        return this.name + (this.message && ': ') + this.message;\n      }\n    };\n  };\n\n  var getUserMedia_ = function getUserMedia_(constraints, onSuccess, onError) {\n    shimConstraints_(constraints, function (c) {\n      navigator.webkitGetUserMedia(c, onSuccess, function (e) {\n        if (onError) {\n          onError(shimError_(e));\n        }\n      });\n    });\n  };\n  navigator.getUserMedia = getUserMedia_.bind(navigator);\n\n  // Even though Chrome 45 has navigator.mediaDevices and a getUserMedia\n  // function which returns a Promise, it does not accept spec-style\n  // constraints.\n  if (navigator.mediaDevices.getUserMedia) {\n    var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (cs) {\n      return shimConstraints_(cs, function (c) {\n        return origGetUserMedia(c).then(function (stream) {\n          if (c.audio && !stream.getAudioTracks().length || c.video && !stream.getVideoTracks().length) {\n            stream.getTracks().forEach(function (track) {\n              track.stop();\n            });\n            throw new DOMException('', 'NotFoundError');\n          }\n          return stream;\n        }, function (e) {\n          return Promise.reject(shimError_(e));\n        });\n      });\n    };\n  }\n}\n\n},{\"../utils.js\":15}],6:[function(require,module,exports){\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimRTCIceCandidate = shimRTCIceCandidate;\nexports.shimMaxMessageSize = shimMaxMessageSize;\nexports.shimSendThrowTypeError = shimSendThrowTypeError;\nexports.shimConnectionState = shimConnectionState;\nexports.removeAllowExtmapMixed = removeAllowExtmapMixed;\n\nvar _sdp = require('sdp');\n\nvar _sdp2 = _interopRequireDefault(_sdp);\n\nvar _utils = require('./utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction shimRTCIceCandidate(window) {\n  // foundation is arbitrarily chosen as an indicator for full support for\n  // https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface\n  if (!window.RTCIceCandidate || window.RTCIceCandidate && 'foundation' in window.RTCIceCandidate.prototype) {\n    return;\n  }\n\n  var NativeRTCIceCandidate = window.RTCIceCandidate;\n  window.RTCIceCandidate = function RTCIceCandidate(args) {\n    // Remove the a= which shouldn't be part of the candidate string.\n    if ((typeof args === 'undefined' ? 'undefined' : _typeof(args)) === 'object' && args.candidate && args.candidate.indexOf('a=') === 0) {\n      args = JSON.parse(JSON.stringify(args));\n      args.candidate = args.candidate.substr(2);\n    }\n\n    if (args.candidate && args.candidate.length) {\n      // Augment the native candidate with the parsed fields.\n      var nativeCandidate = new NativeRTCIceCandidate(args);\n      var parsedCandidate = _sdp2.default.parseCandidate(args.candidate);\n      var augmentedCandidate = Object.assign(nativeCandidate, parsedCandidate);\n\n      // Add a serializer that does not serialize the extra attributes.\n      augmentedCandidate.toJSON = function toJSON() {\n        return {\n          candidate: augmentedCandidate.candidate,\n          sdpMid: augmentedCandidate.sdpMid,\n          sdpMLineIndex: augmentedCandidate.sdpMLineIndex,\n          usernameFragment: augmentedCandidate.usernameFragment\n        };\n      };\n      return augmentedCandidate;\n    }\n    return new NativeRTCIceCandidate(args);\n  };\n  window.RTCIceCandidate.prototype = NativeRTCIceCandidate.prototype;\n\n  // Hook up the augmented candidate in onicecandidate and\n  // addEventListener('icecandidate', ...)\n  utils.wrapPeerConnectionEvent(window, 'icecandidate', function (e) {\n    if (e.candidate) {\n      Object.defineProperty(e, 'candidate', {\n        value: new window.RTCIceCandidate(e.candidate),\n        writable: 'false'\n      });\n    }\n    return e;\n  });\n}\n\nfunction shimMaxMessageSize(window) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n\n  if (!('sctp' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {\n      get: function get() {\n        return typeof this._sctp === 'undefined' ? null : this._sctp;\n      }\n    });\n  }\n\n  var sctpInDescription = function sctpInDescription(description) {\n    if (!description || !description.sdp) {\n      return false;\n    }\n    var sections = _sdp2.default.splitSections(description.sdp);\n    sections.shift();\n    return sections.some(function (mediaSection) {\n      var mLine = _sdp2.default.parseMLine(mediaSection);\n      return mLine && mLine.kind === 'application' && mLine.protocol.indexOf('SCTP') !== -1;\n    });\n  };\n\n  var getRemoteFirefoxVersion = function getRemoteFirefoxVersion(description) {\n    // TODO: Is there a better solution for detecting Firefox?\n    var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\\d+)/);\n    if (match === null || match.length < 2) {\n      return -1;\n    }\n    var version = parseInt(match[1], 10);\n    // Test for NaN (yes, this is ugly)\n    return version !== version ? -1 : version;\n  };\n\n  var getCanSendMaxMessageSize = function getCanSendMaxMessageSize(remoteIsFirefox) {\n    // Every implementation we know can send at least 64 KiB.\n    // Note: Although Chrome is technically able to send up to 256 KiB, the\n    //       data does not reach the other peer reliably.\n    //       See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419\n    var canSendMaxMessageSize = 65536;\n    if (browserDetails.browser === 'firefox') {\n      if (browserDetails.version < 57) {\n        if (remoteIsFirefox === -1) {\n          // FF < 57 will send in 16 KiB chunks using the deprecated PPID\n          // fragmentation.\n          canSendMaxMessageSize = 16384;\n        } else {\n          // However, other FF (and RAWRTC) can reassemble PPID-fragmented\n          // messages. Thus, supporting ~2 GiB when sending.\n          canSendMaxMessageSize = 2147483637;\n        }\n      } else if (browserDetails.version < 60) {\n        // Currently, all FF >= 57 will reset the remote maximum message size\n        // to the default value when a data channel is created at a later\n        // stage. :(\n        // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n        canSendMaxMessageSize = browserDetails.version === 57 ? 65535 : 65536;\n      } else {\n        // FF >= 60 supports sending ~2 GiB\n        canSendMaxMessageSize = 2147483637;\n      }\n    }\n    return canSendMaxMessageSize;\n  };\n\n  var getMaxMessageSize = function getMaxMessageSize(description, remoteIsFirefox) {\n    // Note: 65536 bytes is the default value from the SDP spec. Also,\n    //       every implementation we know supports receiving 65536 bytes.\n    var maxMessageSize = 65536;\n\n    // FF 57 has a slightly incorrect default remote max message size, so\n    // we need to adjust it here to avoid a failure when sending.\n    // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697\n    if (browserDetails.browser === 'firefox' && browserDetails.version === 57) {\n      maxMessageSize = 65535;\n    }\n\n    var match = _sdp2.default.matchPrefix(description.sdp, 'a=max-message-size:');\n    if (match.length > 0) {\n      maxMessageSize = parseInt(match[0].substr(19), 10);\n    } else if (browserDetails.browser === 'firefox' && remoteIsFirefox !== -1) {\n      // If the maximum message size is not present in the remote SDP and\n      // both local and remote are Firefox, the remote peer can receive\n      // ~2 GiB.\n      maxMessageSize = 2147483637;\n    }\n    return maxMessageSize;\n  };\n\n  var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n    this._sctp = null;\n    // Chrome decided to not expose .sctp in plan-b mode.\n    // As usual, adapter.js has to do an 'ugly worakaround'\n    // to cover up the mess.\n    if (browserDetails.browser === 'chrome' && browserDetails.version >= 76) {\n      var _getConfiguration = this.getConfiguration(),\n          sdpSemantics = _getConfiguration.sdpSemantics;\n\n      if (sdpSemantics === 'plan-b') {\n        Object.defineProperty(this, 'sctp', {\n          get: function get() {\n            return typeof this._sctp === 'undefined' ? null : this._sctp;\n          },\n\n          enumerable: true,\n          configurable: true\n        });\n      }\n    }\n\n    if (sctpInDescription(arguments[0])) {\n      // Check if the remote is FF.\n      var isFirefox = getRemoteFirefoxVersion(arguments[0]);\n\n      // Get the maximum message size the local peer is capable of sending\n      var canSendMMS = getCanSendMaxMessageSize(isFirefox);\n\n      // Get the maximum message size of the remote peer.\n      var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);\n\n      // Determine final maximum message size\n      var maxMessageSize = void 0;\n      if (canSendMMS === 0 && remoteMMS === 0) {\n        maxMessageSize = Number.POSITIVE_INFINITY;\n      } else if (canSendMMS === 0 || remoteMMS === 0) {\n        maxMessageSize = Math.max(canSendMMS, remoteMMS);\n      } else {\n        maxMessageSize = Math.min(canSendMMS, remoteMMS);\n      }\n\n      // Create a dummy RTCSctpTransport object and the 'maxMessageSize'\n      // attribute.\n      var sctp = {};\n      Object.defineProperty(sctp, 'maxMessageSize', {\n        get: function get() {\n          return maxMessageSize;\n        }\n      });\n      this._sctp = sctp;\n    }\n\n    return origSetRemoteDescription.apply(this, arguments);\n  };\n}\n\nfunction shimSendThrowTypeError(window) {\n  if (!(window.RTCPeerConnection && 'createDataChannel' in window.RTCPeerConnection.prototype)) {\n    return;\n  }\n\n  // Note: Although Firefox >= 57 has a native implementation, the maximum\n  //       message size can be reset for all data channels at a later stage.\n  //       See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831\n\n  function wrapDcSend(dc, pc) {\n    var origDataChannelSend = dc.send;\n    dc.send = function send() {\n      var data = arguments[0];\n      var length = data.length || data.size || data.byteLength;\n      if (dc.readyState === 'open' && pc.sctp && length > pc.sctp.maxMessageSize) {\n        throw new TypeError('Message too large (can send a maximum of ' + pc.sctp.maxMessageSize + ' bytes)');\n      }\n      return origDataChannelSend.apply(dc, arguments);\n    };\n  }\n  var origCreateDataChannel = window.RTCPeerConnection.prototype.createDataChannel;\n  window.RTCPeerConnection.prototype.createDataChannel = function createDataChannel() {\n    var dataChannel = origCreateDataChannel.apply(this, arguments);\n    wrapDcSend(dataChannel, this);\n    return dataChannel;\n  };\n  utils.wrapPeerConnectionEvent(window, 'datachannel', function (e) {\n    wrapDcSend(e.channel, e.target);\n    return e;\n  });\n}\n\n/* shims RTCConnectionState by pretending it is the same as iceConnectionState.\n * See https://bugs.chromium.org/p/webrtc/issues/detail?id=6145#c12\n * for why this is a valid hack in Chrome. In Firefox it is slightly incorrect\n * since DTLS failures would be hidden. See\n * https://bugzilla.mozilla.org/show_bug.cgi?id=1265827\n * for the Firefox tracking bug.\n */\nfunction shimConnectionState(window) {\n  if (!window.RTCPeerConnection || 'connectionState' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  var proto = window.RTCPeerConnection.prototype;\n  Object.defineProperty(proto, 'connectionState', {\n    get: function get() {\n      return {\n        completed: 'connected',\n        checking: 'connecting'\n      }[this.iceConnectionState] || this.iceConnectionState;\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n  Object.defineProperty(proto, 'onconnectionstatechange', {\n    get: function get() {\n      return this._onconnectionstatechange || null;\n    },\n    set: function set(cb) {\n      if (this._onconnectionstatechange) {\n        this.removeEventListener('connectionstatechange', this._onconnectionstatechange);\n        delete this._onconnectionstatechange;\n      }\n      if (cb) {\n        this.addEventListener('connectionstatechange', this._onconnectionstatechange = cb);\n      }\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n\n  ['setLocalDescription', 'setRemoteDescription'].forEach(function (method) {\n    var origMethod = proto[method];\n    proto[method] = function () {\n      if (!this._connectionstatechangepoly) {\n        this._connectionstatechangepoly = function (e) {\n          var pc = e.target;\n          if (pc._lastConnectionState !== pc.connectionState) {\n            pc._lastConnectionState = pc.connectionState;\n            var newEvent = new Event('connectionstatechange', e);\n            pc.dispatchEvent(newEvent);\n          }\n          return e;\n        };\n        this.addEventListener('iceconnectionstatechange', this._connectionstatechangepoly);\n      }\n      return origMethod.apply(this, arguments);\n    };\n  });\n}\n\nfunction removeAllowExtmapMixed(window) {\n  /* remove a=extmap-allow-mixed for Chrome < M71 */\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var browserDetails = utils.detectBrowser(window);\n  if (browserDetails.browser === 'chrome' && browserDetails.version >= 71) {\n    return;\n  }\n  var nativeSRD = window.RTCPeerConnection.prototype.setRemoteDescription;\n  window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription(desc) {\n    if (desc && desc.sdp && desc.sdp.indexOf('\\na=extmap-allow-mixed') !== -1) {\n      desc.sdp = desc.sdp.split('\\n').filter(function (line) {\n        return line.trim() !== 'a=extmap-allow-mixed';\n      }).join('\\n');\n    }\n    return nativeSRD.apply(this, arguments);\n  };\n}\n\n},{\"./utils\":15,\"sdp\":17}],7:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimPeerConnection = shimPeerConnection;\nexports.shimReplaceTrack = shimReplaceTrack;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nvar _filtericeservers = require('./filtericeservers');\n\nvar _rtcpeerconnectionShim = require('rtcpeerconnection-shim');\n\nvar _rtcpeerconnectionShim2 = _interopRequireDefault(_rtcpeerconnectionShim);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if (window.RTCIceGatherer) {\n    if (!window.RTCIceCandidate) {\n      window.RTCIceCandidate = function RTCIceCandidate(args) {\n        return args;\n      };\n    }\n    if (!window.RTCSessionDescription) {\n      window.RTCSessionDescription = function RTCSessionDescription(args) {\n        return args;\n      };\n    }\n    // this adds an additional event listener to MediaStrackTrack that signals\n    // when a tracks enabled property was changed. Workaround for a bug in\n    // addStream, see below. No longer required in 15025+\n    if (browserDetails.version < 15025) {\n      var origMSTEnabled = Object.getOwnPropertyDescriptor(window.MediaStreamTrack.prototype, 'enabled');\n      Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {\n        set: function set(value) {\n          origMSTEnabled.set.call(this, value);\n          var ev = new Event('enabled');\n          ev.enabled = value;\n          this.dispatchEvent(ev);\n        }\n      });\n    }\n  }\n\n  // ORTC defines the DTMF sender a bit different.\n  // https://github.com/w3c/ortc/issues/714\n  if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {\n    Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {\n      get: function get() {\n        if (this._dtmf === undefined) {\n          if (this.track.kind === 'audio') {\n            this._dtmf = new window.RTCDtmfSender(this);\n          } else if (this.track.kind === 'video') {\n            this._dtmf = null;\n          }\n        }\n        return this._dtmf;\n      }\n    });\n  }\n  // Edge currently only implements the RTCDtmfSender, not the\n  // RTCDTMFSender alias. See http://draft.ortc.org/#rtcdtmfsender2*\n  if (window.RTCDtmfSender && !window.RTCDTMFSender) {\n    window.RTCDTMFSender = window.RTCDtmfSender;\n  }\n\n  var RTCPeerConnectionShim = (0, _rtcpeerconnectionShim2.default)(window, browserDetails.version);\n  window.RTCPeerConnection = function RTCPeerConnection(config) {\n    if (config && config.iceServers) {\n      config.iceServers = (0, _filtericeservers.filterIceServers)(config.iceServers, browserDetails.version);\n      utils.log('ICE servers after filtering:', config.iceServers);\n    }\n    return new RTCPeerConnectionShim(config);\n  };\n  window.RTCPeerConnection.prototype = RTCPeerConnectionShim.prototype;\n}\n\nfunction shimReplaceTrack(window) {\n  // ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614\n  if (window.RTCRtpSender && !('replaceTrack' in window.RTCRtpSender.prototype)) {\n    window.RTCRtpSender.prototype.replaceTrack = window.RTCRtpSender.prototype.setTrack;\n  }\n}\n\n},{\"../utils\":15,\"./filtericeservers\":8,\"./getdisplaymedia\":9,\"./getusermedia\":10,\"rtcpeerconnection-shim\":16}],8:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.filterIceServers = filterIceServers;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\n// Edge does not like\n// 1) stun: filtered after 14393 unless ?transport=udp is present\n// 2) turn: that does not have all of turn:host:port?transport=udp\n// 3) turn: with ipv6 addresses\n// 4) turn: occurring muliple times\nfunction filterIceServers(iceServers, edgeVersion) {\n  var hasTurn = false;\n  iceServers = JSON.parse(JSON.stringify(iceServers));\n  return iceServers.filter(function (server) {\n    if (server && (server.urls || server.url)) {\n      var urls = server.urls || server.url;\n      if (server.url && !server.urls) {\n        utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n      }\n      var isString = typeof urls === 'string';\n      if (isString) {\n        urls = [urls];\n      }\n      urls = urls.filter(function (url) {\n        // filter STUN unconditionally.\n        if (url.indexOf('stun:') === 0) {\n          return false;\n        }\n\n        var validTurn = url.startsWith('turn') && !url.startsWith('turn:[') && url.includes('transport=udp');\n        if (validTurn && !hasTurn) {\n          hasTurn = true;\n          return true;\n        }\n        return validTurn && !hasTurn;\n      });\n\n      delete server.url;\n      server.urls = isString ? urls[0] : urls;\n      return !!urls.length;\n    }\n  });\n}\n\n},{\"../utils\":15}],9:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window) {\n  if (!('getDisplayMedia' in window.navigator)) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = window.navigator.getDisplayMedia.bind(window.navigator);\n}\n\n},{}],10:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetUserMedia = shimGetUserMedia;\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  var shimError_ = function shimError_(e) {\n    return {\n      name: { PermissionDeniedError: 'NotAllowedError' }[e.name] || e.name,\n      message: e.message,\n      constraint: e.constraint,\n      toString: function toString() {\n        return this.name;\n      }\n    };\n  };\n\n  // getUserMedia error shim.\n  var origGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n  navigator.mediaDevices.getUserMedia = function (c) {\n    return origGetUserMedia(c).catch(function (e) {\n      return Promise.reject(shimError_(e));\n    });\n  };\n}\n\n},{}],11:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = exports.shimGetUserMedia = undefined;\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nvar _getusermedia = require('./getusermedia');\n\nObject.defineProperty(exports, 'shimGetUserMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getusermedia.shimGetUserMedia;\n  }\n});\n\nvar _getdisplaymedia = require('./getdisplaymedia');\n\nObject.defineProperty(exports, 'shimGetDisplayMedia', {\n  enumerable: true,\n  get: function get() {\n    return _getdisplaymedia.shimGetDisplayMedia;\n  }\n});\nexports.shimOnTrack = shimOnTrack;\nexports.shimPeerConnection = shimPeerConnection;\nexports.shimSenderGetStats = shimSenderGetStats;\nexports.shimReceiverGetStats = shimReceiverGetStats;\nexports.shimRemoveStream = shimRemoveStream;\nexports.shimRTCDataChannel = shimRTCDataChannel;\nexports.shimAddTransceiver = shimAddTransceiver;\nexports.shimCreateOffer = shimCreateOffer;\nexports.shimCreateAnswer = shimCreateAnswer;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nfunction shimOnTrack(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get: function get() {\n        return { receiver: this.receiver };\n      }\n    });\n  }\n}\n\nfunction shimPeerConnection(window) {\n  var browserDetails = utils.detectBrowser(window);\n\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !(window.RTCPeerConnection || window.mozRTCPeerConnection)) {\n    return; // probably media.peerconnection.enabled=false in about:config\n  }\n  if (!window.RTCPeerConnection && window.mozRTCPeerConnection) {\n    // very basic support for old versions.\n    window.RTCPeerConnection = window.mozRTCPeerConnection;\n  }\n\n  if (browserDetails.version < 53) {\n    // shim away need for obsolete RTCIceCandidate/RTCSessionDescription.\n    ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'].forEach(function (method) {\n      var nativeMethod = window.RTCPeerConnection.prototype[method];\n      var methodObj = _defineProperty({}, method, function () {\n        arguments[0] = new (method === 'addIceCandidate' ? window.RTCIceCandidate : window.RTCSessionDescription)(arguments[0]);\n        return nativeMethod.apply(this, arguments);\n      });\n      window.RTCPeerConnection.prototype[method] = methodObj[method];\n    });\n  }\n\n  // support for addIceCandidate(null or undefined)\n  // as well as ignoring {sdpMid, candidate: \"\"}\n  if (browserDetails.version < 68) {\n    var nativeAddIceCandidate = window.RTCPeerConnection.prototype.addIceCandidate;\n    window.RTCPeerConnection.prototype.addIceCandidate = function addIceCandidate() {\n      if (!arguments[0]) {\n        if (arguments[1]) {\n          arguments[1].apply(null);\n        }\n        return Promise.resolve();\n      }\n      // Firefox 68+ emits and processes {candidate: \"\", ...}, ignore\n      // in older versions.\n      if (arguments[0] && arguments[0].candidate === '') {\n        return Promise.resolve();\n      }\n      return nativeAddIceCandidate.apply(this, arguments);\n    };\n  }\n\n  var modernStatsTypes = {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  };\n\n  var nativeGetStats = window.RTCPeerConnection.prototype.getStats;\n  window.RTCPeerConnection.prototype.getStats = function getStats() {\n    var _arguments = Array.prototype.slice.call(arguments),\n        selector = _arguments[0],\n        onSucc = _arguments[1],\n        onErr = _arguments[2];\n\n    return nativeGetStats.apply(this, [selector || null]).then(function (stats) {\n      if (browserDetails.version < 53 && !onSucc) {\n        // Shim only promise getStats with spec-hyphens in type names\n        // Leave callback version alone; misc old uses of forEach before Map\n        try {\n          stats.forEach(function (stat) {\n            stat.type = modernStatsTypes[stat.type] || stat.type;\n          });\n        } catch (e) {\n          if (e.name !== 'TypeError') {\n            throw e;\n          }\n          // Avoid TypeError: \"type\" is read-only, in old versions. 34-43ish\n          stats.forEach(function (stat, i) {\n            stats.set(i, Object.assign({}, stat, {\n              type: modernStatsTypes[stat.type] || stat.type\n            }));\n          });\n        }\n      }\n      return stats;\n    }).then(onSucc, onErr);\n  };\n}\n\nfunction shimSenderGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpSender.prototype) {\n    return;\n  }\n  var origGetSenders = window.RTCPeerConnection.prototype.getSenders;\n  if (origGetSenders) {\n    window.RTCPeerConnection.prototype.getSenders = function getSenders() {\n      var _this = this;\n\n      var senders = origGetSenders.apply(this, []);\n      senders.forEach(function (sender) {\n        return sender._pc = _this;\n      });\n      return senders;\n    };\n  }\n\n  var origAddTrack = window.RTCPeerConnection.prototype.addTrack;\n  if (origAddTrack) {\n    window.RTCPeerConnection.prototype.addTrack = function addTrack() {\n      var sender = origAddTrack.apply(this, arguments);\n      sender._pc = this;\n      return sender;\n    };\n  }\n  window.RTCRtpSender.prototype.getStats = function getStats() {\n    return this.track ? this._pc.getStats(this.track) : Promise.resolve(new Map());\n  };\n}\n\nfunction shimReceiverGetStats(window) {\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection && window.RTCRtpSender)) {\n    return;\n  }\n  if (window.RTCRtpSender && 'getStats' in window.RTCRtpReceiver.prototype) {\n    return;\n  }\n  var origGetReceivers = window.RTCPeerConnection.prototype.getReceivers;\n  if (origGetReceivers) {\n    window.RTCPeerConnection.prototype.getReceivers = function getReceivers() {\n      var _this2 = this;\n\n      var receivers = origGetReceivers.apply(this, []);\n      receivers.forEach(function (receiver) {\n        return receiver._pc = _this2;\n      });\n      return receivers;\n    };\n  }\n  utils.wrapPeerConnectionEvent(window, 'track', function (e) {\n    e.receiver._pc = e.srcElement;\n    return e;\n  });\n  window.RTCRtpReceiver.prototype.getStats = function getStats() {\n    return this._pc.getStats(this.track);\n  };\n}\n\nfunction shimRemoveStream(window) {\n  if (!window.RTCPeerConnection || 'removeStream' in window.RTCPeerConnection.prototype) {\n    return;\n  }\n  window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n    var _this3 = this;\n\n    utils.deprecated('removeStream', 'removeTrack');\n    this.getSenders().forEach(function (sender) {\n      if (sender.track && stream.getTracks().includes(sender.track)) {\n        _this3.removeTrack(sender);\n      }\n    });\n  };\n}\n\nfunction shimRTCDataChannel(window) {\n  // rename DataChannel to RTCDataChannel (native fix in FF60):\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1173851\n  if (window.DataChannel && !window.RTCDataChannel) {\n    window.RTCDataChannel = window.DataChannel;\n  }\n}\n\nfunction shimAddTransceiver(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origAddTransceiver = window.RTCPeerConnection.prototype.addTransceiver;\n  if (origAddTransceiver) {\n    window.RTCPeerConnection.prototype.addTransceiver = function addTransceiver() {\n      this.setParametersPromises = [];\n      var initParameters = arguments[1];\n      var shouldPerformCheck = initParameters && 'sendEncodings' in initParameters;\n      if (shouldPerformCheck) {\n        // If sendEncodings params are provided, validate grammar\n        initParameters.sendEncodings.forEach(function (encodingParam) {\n          if ('rid' in encodingParam) {\n            var ridRegex = /^[a-z0-9]{0,16}$/i;\n            if (!ridRegex.test(encodingParam.rid)) {\n              throw new TypeError('Invalid RID value provided.');\n            }\n          }\n          if ('scaleResolutionDownBy' in encodingParam) {\n            if (!(parseFloat(encodingParam.scaleResolutionDownBy) >= 1.0)) {\n              throw new RangeError('scale_resolution_down_by must be >= 1.0');\n            }\n          }\n          if ('maxFramerate' in encodingParam) {\n            if (!(parseFloat(encodingParam.maxFramerate) >= 0)) {\n              throw new RangeError('max_framerate must be >= 0.0');\n            }\n          }\n        });\n      }\n      var transceiver = origAddTransceiver.apply(this, arguments);\n      if (shouldPerformCheck) {\n        // Check if the init options were applied. If not we do this in an\n        // asynchronous way and save the promise reference in a global object.\n        // This is an ugly hack, but at the same time is way more robust than\n        // checking the sender parameters before and after the createOffer\n        // Also note that after the createoffer we are not 100% sure that\n        // the params were asynchronously applied so we might miss the\n        // opportunity to recreate offer.\n        var sender = transceiver.sender;\n\n        var params = sender.getParameters();\n        if (!('encodings' in params)) {\n          params.encodings = initParameters.sendEncodings;\n          this.setParametersPromises.push(sender.setParameters(params).catch(function () {}));\n        }\n      }\n      return transceiver;\n    };\n  }\n}\n\nfunction shimCreateOffer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer() {\n    var _this4 = this,\n        _arguments2 = arguments;\n\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises).then(function () {\n        return origCreateOffer.apply(_this4, _arguments2);\n      }).finally(function () {\n        _this4.setParametersPromises = [];\n      });\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\nfunction shimCreateAnswer(window) {\n  // https://github.com/webrtcHacks/adapter/issues/998#issuecomment-516921647\n  // Firefox ignores the init sendEncodings options passed to addTransceiver\n  // https://bugzilla.mozilla.org/show_bug.cgi?id=1396918\n  if (!((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCPeerConnection)) {\n    return;\n  }\n  var origCreateAnswer = window.RTCPeerConnection.prototype.createAnswer;\n  window.RTCPeerConnection.prototype.createAnswer = function createAnswer() {\n    var _this5 = this,\n        _arguments3 = arguments;\n\n    if (this.setParametersPromises && this.setParametersPromises.length) {\n      return Promise.all(this.setParametersPromises).then(function () {\n        return origCreateAnswer.apply(_this5, _arguments3);\n      }).finally(function () {\n        _this5.setParametersPromises = [];\n      });\n    }\n    return origCreateAnswer.apply(this, arguments);\n  };\n}\n\n},{\"../utils\":15,\"./getdisplaymedia\":12,\"./getusermedia\":13}],12:[function(require,module,exports){\n/*\n *  Copyright (c) 2018 The adapter.js project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\nexports.shimGetDisplayMedia = shimGetDisplayMedia;\nfunction shimGetDisplayMedia(window, preferredMediaSource) {\n  if (window.navigator.mediaDevices && 'getDisplayMedia' in window.navigator.mediaDevices) {\n    return;\n  }\n  if (!window.navigator.mediaDevices) {\n    return;\n  }\n  window.navigator.mediaDevices.getDisplayMedia = function getDisplayMedia(constraints) {\n    if (!(constraints && constraints.video)) {\n      var err = new DOMException('getDisplayMedia without video ' + 'constraints is undefined');\n      err.name = 'NotFoundError';\n      // from https://heycam.github.io/webidl/#idl-DOMException-error-names\n      err.code = 8;\n      return Promise.reject(err);\n    }\n    if (constraints.video === true) {\n      constraints.video = { mediaSource: preferredMediaSource };\n    } else {\n      constraints.video.mediaSource = preferredMediaSource;\n    }\n    return window.navigator.mediaDevices.getUserMedia(constraints);\n  };\n}\n\n},{}],13:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimGetUserMedia = shimGetUserMedia;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimGetUserMedia(window) {\n  var browserDetails = utils.detectBrowser(window);\n  var navigator = window && window.navigator;\n  var MediaStreamTrack = window && window.MediaStreamTrack;\n\n  navigator.getUserMedia = function (constraints, onSuccess, onError) {\n    // Replace Firefox 44+'s deprecation warning with unprefixed version.\n    utils.deprecated('navigator.getUserMedia', 'navigator.mediaDevices.getUserMedia');\n    navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);\n  };\n\n  if (!(browserDetails.version > 55 && 'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {\n    var remap = function remap(obj, a, b) {\n      if (a in obj && !(b in obj)) {\n        obj[b] = obj[a];\n        delete obj[a];\n      }\n    };\n\n    var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.bind(navigator.mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (c) {\n      if ((typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object' && _typeof(c.audio) === 'object') {\n        c = JSON.parse(JSON.stringify(c));\n        remap(c.audio, 'autoGainControl', 'mozAutoGainControl');\n        remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');\n      }\n      return nativeGetUserMedia(c);\n    };\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {\n      var nativeGetSettings = MediaStreamTrack.prototype.getSettings;\n      MediaStreamTrack.prototype.getSettings = function () {\n        var obj = nativeGetSettings.apply(this, arguments);\n        remap(obj, 'mozAutoGainControl', 'autoGainControl');\n        remap(obj, 'mozNoiseSuppression', 'noiseSuppression');\n        return obj;\n      };\n    }\n\n    if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {\n      var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;\n      MediaStreamTrack.prototype.applyConstraints = function (c) {\n        if (this.kind === 'audio' && (typeof c === 'undefined' ? 'undefined' : _typeof(c)) === 'object') {\n          c = JSON.parse(JSON.stringify(c));\n          remap(c, 'autoGainControl', 'mozAutoGainControl');\n          remap(c, 'noiseSuppression', 'mozNoiseSuppression');\n        }\n        return nativeApplyConstraints.apply(this, [c]);\n      };\n    }\n  }\n}\n\n},{\"../utils\":15}],14:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.shimLocalStreamsAPI = shimLocalStreamsAPI;\nexports.shimRemoteStreamsAPI = shimRemoteStreamsAPI;\nexports.shimCallbacksAPI = shimCallbacksAPI;\nexports.shimGetUserMedia = shimGetUserMedia;\nexports.shimConstraints = shimConstraints;\nexports.shimRTCIceServerUrls = shimRTCIceServerUrls;\nexports.shimTrackEventTransceiver = shimTrackEventTransceiver;\nexports.shimCreateOfferLegacy = shimCreateOfferLegacy;\n\nvar _utils = require('../utils');\n\nvar utils = _interopRequireWildcard(_utils);\n\nfunction _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj.default = obj; return newObj; } }\n\nfunction shimLocalStreamsAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getLocalStreams = function getLocalStreams() {\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      return this._localStreams;\n    };\n  }\n  if (!('addStream' in window.RTCPeerConnection.prototype)) {\n    var _addTrack = window.RTCPeerConnection.prototype.addTrack;\n    window.RTCPeerConnection.prototype.addStream = function addStream(stream) {\n      var _this = this;\n\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      if (!this._localStreams.includes(stream)) {\n        this._localStreams.push(stream);\n      }\n      // Try to emulate Chrome's behaviour of adding in audio-video order.\n      // Safari orders by track id.\n      stream.getAudioTracks().forEach(function (track) {\n        return _addTrack.call(_this, track, stream);\n      });\n      stream.getVideoTracks().forEach(function (track) {\n        return _addTrack.call(_this, track, stream);\n      });\n    };\n\n    window.RTCPeerConnection.prototype.addTrack = function addTrack(track) {\n      var stream = arguments[1];\n      if (stream) {\n        if (!this._localStreams) {\n          this._localStreams = [stream];\n        } else if (!this._localStreams.includes(stream)) {\n          this._localStreams.push(stream);\n        }\n      }\n      return _addTrack.apply(this, arguments);\n    };\n  }\n  if (!('removeStream' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.removeStream = function removeStream(stream) {\n      var _this2 = this;\n\n      if (!this._localStreams) {\n        this._localStreams = [];\n      }\n      var index = this._localStreams.indexOf(stream);\n      if (index === -1) {\n        return;\n      }\n      this._localStreams.splice(index, 1);\n      var tracks = stream.getTracks();\n      this.getSenders().forEach(function (sender) {\n        if (tracks.includes(sender.track)) {\n          _this2.removeTrack(sender);\n        }\n      });\n    };\n  }\n}\n\nfunction shimRemoteStreamsAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {\n    window.RTCPeerConnection.prototype.getRemoteStreams = function getRemoteStreams() {\n      return this._remoteStreams ? this._remoteStreams : [];\n    };\n  }\n  if (!('onaddstream' in window.RTCPeerConnection.prototype)) {\n    Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {\n      get: function get() {\n        return this._onaddstream;\n      },\n      set: function set(f) {\n        var _this3 = this;\n\n        if (this._onaddstream) {\n          this.removeEventListener('addstream', this._onaddstream);\n          this.removeEventListener('track', this._onaddstreampoly);\n        }\n        this.addEventListener('addstream', this._onaddstream = f);\n        this.addEventListener('track', this._onaddstreampoly = function (e) {\n          e.streams.forEach(function (stream) {\n            if (!_this3._remoteStreams) {\n              _this3._remoteStreams = [];\n            }\n            if (_this3._remoteStreams.includes(stream)) {\n              return;\n            }\n            _this3._remoteStreams.push(stream);\n            var event = new Event('addstream');\n            event.stream = stream;\n            _this3.dispatchEvent(event);\n          });\n        });\n      }\n    });\n    var origSetRemoteDescription = window.RTCPeerConnection.prototype.setRemoteDescription;\n    window.RTCPeerConnection.prototype.setRemoteDescription = function setRemoteDescription() {\n      var pc = this;\n      if (!this._onaddstreampoly) {\n        this.addEventListener('track', this._onaddstreampoly = function (e) {\n          e.streams.forEach(function (stream) {\n            if (!pc._remoteStreams) {\n              pc._remoteStreams = [];\n            }\n            if (pc._remoteStreams.indexOf(stream) >= 0) {\n              return;\n            }\n            pc._remoteStreams.push(stream);\n            var event = new Event('addstream');\n            event.stream = stream;\n            pc.dispatchEvent(event);\n          });\n        });\n      }\n      return origSetRemoteDescription.apply(pc, arguments);\n    };\n  }\n}\n\nfunction shimCallbacksAPI(window) {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== 'object' || !window.RTCPeerConnection) {\n    return;\n  }\n  var prototype = window.RTCPeerConnection.prototype;\n  var origCreateOffer = prototype.createOffer;\n  var origCreateAnswer = prototype.createAnswer;\n  var setLocalDescription = prototype.setLocalDescription;\n  var setRemoteDescription = prototype.setRemoteDescription;\n  var addIceCandidate = prototype.addIceCandidate;\n\n  prototype.createOffer = function createOffer(successCallback, failureCallback) {\n    var options = arguments.length >= 2 ? arguments[2] : arguments[0];\n    var promise = origCreateOffer.apply(this, [options]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n\n  prototype.createAnswer = function createAnswer(successCallback, failureCallback) {\n    var options = arguments.length >= 2 ? arguments[2] : arguments[0];\n    var promise = origCreateAnswer.apply(this, [options]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n\n  var withCallback = function withCallback(description, successCallback, failureCallback) {\n    var promise = setLocalDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setLocalDescription = withCallback;\n\n  withCallback = function withCallback(description, successCallback, failureCallback) {\n    var promise = setRemoteDescription.apply(this, [description]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.setRemoteDescription = withCallback;\n\n  withCallback = function withCallback(candidate, successCallback, failureCallback) {\n    var promise = addIceCandidate.apply(this, [candidate]);\n    if (!failureCallback) {\n      return promise;\n    }\n    promise.then(successCallback, failureCallback);\n    return Promise.resolve();\n  };\n  prototype.addIceCandidate = withCallback;\n}\n\nfunction shimGetUserMedia(window) {\n  var navigator = window && window.navigator;\n\n  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    // shim not needed in Safari 12.1\n    var mediaDevices = navigator.mediaDevices;\n    var _getUserMedia = mediaDevices.getUserMedia.bind(mediaDevices);\n    navigator.mediaDevices.getUserMedia = function (constraints) {\n      return _getUserMedia(shimConstraints(constraints));\n    };\n  }\n\n  if (!navigator.getUserMedia && navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {\n    navigator.getUserMedia = function getUserMedia(constraints, cb, errcb) {\n      navigator.mediaDevices.getUserMedia(constraints).then(cb, errcb);\n    }.bind(navigator);\n  }\n}\n\nfunction shimConstraints(constraints) {\n  if (constraints && constraints.video !== undefined) {\n    return Object.assign({}, constraints, { video: utils.compactObject(constraints.video) });\n  }\n\n  return constraints;\n}\n\nfunction shimRTCIceServerUrls(window) {\n  // migrate from non-spec RTCIceServer.url to RTCIceServer.urls\n  var OrigPeerConnection = window.RTCPeerConnection;\n  window.RTCPeerConnection = function RTCPeerConnection(pcConfig, pcConstraints) {\n    if (pcConfig && pcConfig.iceServers) {\n      var newIceServers = [];\n      for (var i = 0; i < pcConfig.iceServers.length; i++) {\n        var server = pcConfig.iceServers[i];\n        if (!server.hasOwnProperty('urls') && server.hasOwnProperty('url')) {\n          utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');\n          server = JSON.parse(JSON.stringify(server));\n          server.urls = server.url;\n          delete server.url;\n          newIceServers.push(server);\n        } else {\n          newIceServers.push(pcConfig.iceServers[i]);\n        }\n      }\n      pcConfig.iceServers = newIceServers;\n    }\n    return new OrigPeerConnection(pcConfig, pcConstraints);\n  };\n  window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;\n  // wrap static methods. Currently just generateCertificate.\n  if ('generateCertificate' in window.RTCPeerConnection) {\n    Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {\n      get: function get() {\n        return OrigPeerConnection.generateCertificate;\n      }\n    });\n  }\n}\n\nfunction shimTrackEventTransceiver(window) {\n  // Add event.transceiver member over deprecated event.receiver\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' && window.RTCTrackEvent && 'receiver' in window.RTCTrackEvent.prototype && !('transceiver' in window.RTCTrackEvent.prototype)) {\n    Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {\n      get: function get() {\n        return { receiver: this.receiver };\n      }\n    });\n  }\n}\n\nfunction shimCreateOfferLegacy(window) {\n  var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;\n  window.RTCPeerConnection.prototype.createOffer = function createOffer(offerOptions) {\n    if (offerOptions) {\n      if (typeof offerOptions.offerToReceiveAudio !== 'undefined') {\n        // support bit values\n        offerOptions.offerToReceiveAudio = !!offerOptions.offerToReceiveAudio;\n      }\n      var audioTransceiver = this.getTransceivers().find(function (transceiver) {\n        return transceiver.receiver.track.kind === 'audio';\n      });\n      if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {\n        if (audioTransceiver.direction === 'sendrecv') {\n          if (audioTransceiver.setDirection) {\n            audioTransceiver.setDirection('sendonly');\n          } else {\n            audioTransceiver.direction = 'sendonly';\n          }\n        } else if (audioTransceiver.direction === 'recvonly') {\n          if (audioTransceiver.setDirection) {\n            audioTransceiver.setDirection('inactive');\n          } else {\n            audioTransceiver.direction = 'inactive';\n          }\n        }\n      } else if (offerOptions.offerToReceiveAudio === true && !audioTransceiver) {\n        this.addTransceiver('audio');\n      }\n\n      if (typeof offerOptions.offerToReceiveVideo !== 'undefined') {\n        // support bit values\n        offerOptions.offerToReceiveVideo = !!offerOptions.offerToReceiveVideo;\n      }\n      var videoTransceiver = this.getTransceivers().find(function (transceiver) {\n        return transceiver.receiver.track.kind === 'video';\n      });\n      if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {\n        if (videoTransceiver.direction === 'sendrecv') {\n          if (videoTransceiver.setDirection) {\n            videoTransceiver.setDirection('sendonly');\n          } else {\n            videoTransceiver.direction = 'sendonly';\n          }\n        } else if (videoTransceiver.direction === 'recvonly') {\n          if (videoTransceiver.setDirection) {\n            videoTransceiver.setDirection('inactive');\n          } else {\n            videoTransceiver.direction = 'inactive';\n          }\n        }\n      } else if (offerOptions.offerToReceiveVideo === true && !videoTransceiver) {\n        this.addTransceiver('video');\n      }\n    }\n    return origCreateOffer.apply(this, arguments);\n  };\n}\n\n},{\"../utils\":15}],15:[function(require,module,exports){\n/*\n *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n/* eslint-env node */\n'use strict';\n\nObject.defineProperty(exports, \"__esModule\", {\n  value: true\n});\n\nvar _typeof = typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; };\n\nexports.extractVersion = extractVersion;\nexports.wrapPeerConnectionEvent = wrapPeerConnectionEvent;\nexports.disableLog = disableLog;\nexports.disableWarnings = disableWarnings;\nexports.log = log;\nexports.deprecated = deprecated;\nexports.detectBrowser = detectBrowser;\nexports.compactObject = compactObject;\nexports.walkStats = walkStats;\nexports.filterStats = filterStats;\n\nfunction _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }\n\nvar logDisabled_ = true;\nvar deprecationWarnings_ = true;\n\n/**\n * Extract browser version out of the provided user agent string.\n *\n * @param {!string} uastring userAgent string.\n * @param {!string} expr Regular expression used as match criteria.\n * @param {!number} pos position in the version string to be returned.\n * @return {!number} browser version.\n */\nfunction extractVersion(uastring, expr, pos) {\n  var match = uastring.match(expr);\n  return match && match.length >= pos && parseInt(match[pos], 10);\n}\n\n// Wraps the peerconnection event eventNameToWrap in a function\n// which returns the modified event object (or false to prevent\n// the event).\nfunction wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {\n  if (!window.RTCPeerConnection) {\n    return;\n  }\n  var proto = window.RTCPeerConnection.prototype;\n  var nativeAddEventListener = proto.addEventListener;\n  proto.addEventListener = function (nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap) {\n      return nativeAddEventListener.apply(this, arguments);\n    }\n    var wrappedCallback = function wrappedCallback(e) {\n      var modifiedEvent = wrapper(e);\n      if (modifiedEvent) {\n        cb(modifiedEvent);\n      }\n    };\n    this._eventMap = this._eventMap || {};\n    this._eventMap[cb] = wrappedCallback;\n    return nativeAddEventListener.apply(this, [nativeEventName, wrappedCallback]);\n  };\n\n  var nativeRemoveEventListener = proto.removeEventListener;\n  proto.removeEventListener = function (nativeEventName, cb) {\n    if (nativeEventName !== eventNameToWrap || !this._eventMap || !this._eventMap[cb]) {\n      return nativeRemoveEventListener.apply(this, arguments);\n    }\n    var unwrappedCb = this._eventMap[cb];\n    delete this._eventMap[cb];\n    return nativeRemoveEventListener.apply(this, [nativeEventName, unwrappedCb]);\n  };\n\n  Object.defineProperty(proto, 'on' + eventNameToWrap, {\n    get: function get() {\n      return this['_on' + eventNameToWrap];\n    },\n    set: function set(cb) {\n      if (this['_on' + eventNameToWrap]) {\n        this.removeEventListener(eventNameToWrap, this['_on' + eventNameToWrap]);\n        delete this['_on' + eventNameToWrap];\n      }\n      if (cb) {\n        this.addEventListener(eventNameToWrap, this['_on' + eventNameToWrap] = cb);\n      }\n    },\n\n    enumerable: true,\n    configurable: true\n  });\n}\n\nfunction disableLog(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');\n  }\n  logDisabled_ = bool;\n  return bool ? 'adapter.js logging disabled' : 'adapter.js logging enabled';\n}\n\n/**\n * Disable or enable deprecation warnings\n * @param {!boolean} bool set to true to disable warnings.\n */\nfunction disableWarnings(bool) {\n  if (typeof bool !== 'boolean') {\n    return new Error('Argument type: ' + (typeof bool === 'undefined' ? 'undefined' : _typeof(bool)) + '. Please use a boolean.');\n  }\n  deprecationWarnings_ = !bool;\n  return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');\n}\n\nfunction log() {\n  if ((typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object') {\n    if (logDisabled_) {\n      return;\n    }\n    if (typeof console !== 'undefined' && typeof console.log === 'function') {\n      console.log.apply(console, arguments);\n    }\n  }\n}\n\n/**\n * Shows a deprecation warning suggesting the modern and spec-compatible API.\n */\nfunction deprecated(oldMethod, newMethod) {\n  if (!deprecationWarnings_) {\n    return;\n  }\n  console.warn(oldMethod + ' is deprecated, please use ' + newMethod + ' instead.');\n}\n\n/**\n * Browser detector.\n *\n * @return {object} result containing browser and version\n *     properties.\n */\nfunction detectBrowser(window) {\n  var navigator = window.navigator;\n\n  // Returned result object.\n\n  var result = { browser: null, version: null };\n\n  // Fail early if it's not a browser\n  if (typeof window === 'undefined' || !window.navigator) {\n    result.browser = 'Not a browser.';\n    return result;\n  }\n\n  if (navigator.mozGetUserMedia) {\n    // Firefox.\n    result.browser = 'firefox';\n    result.version = extractVersion(navigator.userAgent, /Firefox\\/(\\d+)\\./, 1);\n  } else if (navigator.webkitGetUserMedia || window.isSecureContext === false && window.webkitRTCPeerConnection && !window.RTCIceGatherer) {\n    // Chrome, Chromium, Webview, Opera.\n    // Version matches Chrome/WebRTC version.\n    // Chrome 74 removed webkitGetUserMedia on http as well so we need the\n    // more complicated fallback to webkitRTCPeerConnection.\n    result.browser = 'chrome';\n    result.version = extractVersion(navigator.userAgent, /Chrom(e|ium)\\/(\\d+)\\./, 2);\n  } else if (navigator.mediaDevices && navigator.userAgent.match(/Edge\\/(\\d+).(\\d+)$/)) {\n    // Edge.\n    result.browser = 'edge';\n    result.version = extractVersion(navigator.userAgent, /Edge\\/(\\d+).(\\d+)$/, 2);\n  } else if (window.RTCPeerConnection && navigator.userAgent.match(/AppleWebKit\\/(\\d+)\\./)) {\n    // Safari.\n    result.browser = 'safari';\n    result.version = extractVersion(navigator.userAgent, /AppleWebKit\\/(\\d+)\\./, 1);\n    result.supportsUnifiedPlan = window.RTCRtpTransceiver && 'currentDirection' in window.RTCRtpTransceiver.prototype;\n  } else {\n    // Default fallthrough: not supported.\n    result.browser = 'Not a supported browser.';\n    return result;\n  }\n\n  return result;\n}\n\n/**\n * Checks if something is an object.\n *\n * @param {*} val The something you want to check.\n * @return true if val is an object, false otherwise.\n */\nfunction isObject(val) {\n  return Object.prototype.toString.call(val) === '[object Object]';\n}\n\n/**\n * Remove all empty objects and undefined values\n * from a nested object -- an enhanced and vanilla version\n * of Lodash's `compact`.\n */\nfunction compactObject(data) {\n  if (!isObject(data)) {\n    return data;\n  }\n\n  return Object.keys(data).reduce(function (accumulator, key) {\n    var isObj = isObject(data[key]);\n    var value = isObj ? compactObject(data[key]) : data[key];\n    var isEmptyObject = isObj && !Object.keys(value).length;\n    if (value === undefined || isEmptyObject) {\n      return accumulator;\n    }\n    return Object.assign(accumulator, _defineProperty({}, key, value));\n  }, {});\n}\n\n/* iterates the stats graph recursively. */\nfunction walkStats(stats, base, resultSet) {\n  if (!base || resultSet.has(base.id)) {\n    return;\n  }\n  resultSet.set(base.id, base);\n  Object.keys(base).forEach(function (name) {\n    if (name.endsWith('Id')) {\n      walkStats(stats, stats.get(base[name]), resultSet);\n    } else if (name.endsWith('Ids')) {\n      base[name].forEach(function (id) {\n        walkStats(stats, stats.get(id), resultSet);\n      });\n    }\n  });\n}\n\n/* filter getStats for a sender/receiver track. */\nfunction filterStats(result, track, outbound) {\n  var streamStatsType = outbound ? 'outbound-rtp' : 'inbound-rtp';\n  var filteredResult = new Map();\n  if (track === null) {\n    return filteredResult;\n  }\n  var trackStats = [];\n  result.forEach(function (value) {\n    if (value.type === 'track' && value.trackIdentifier === track.id) {\n      trackStats.push(value);\n    }\n  });\n  trackStats.forEach(function (trackStat) {\n    result.forEach(function (stats) {\n      if (stats.type === streamStatsType && stats.trackId === trackStat.id) {\n        walkStats(result, stats, filteredResult);\n      }\n    });\n  });\n  return filteredResult;\n}\n\n},{}],16:[function(require,module,exports){\n/*\n *  Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.\n *\n *  Use of this source code is governed by a BSD-style license\n *  that can be found in the LICENSE file in the root of the source\n *  tree.\n */\n /* eslint-env node */\n'use strict';\n\nvar SDPUtils = require('sdp');\n\nfunction fixStatsType(stat) {\n  return {\n    inboundrtp: 'inbound-rtp',\n    outboundrtp: 'outbound-rtp',\n    candidatepair: 'candidate-pair',\n    localcandidate: 'local-candidate',\n    remotecandidate: 'remote-candidate'\n  }[stat.type] || stat.type;\n}\n\nfunction writeMediaSection(transceiver, caps, type, stream, dtlsRole) {\n  var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);\n\n  // Map ICE parameters (ufrag, pwd) to SDP.\n  sdp += SDPUtils.writeIceParameters(\n      transceiver.iceGatherer.getLocalParameters());\n\n  // Map DTLS parameters to SDP.\n  sdp += SDPUtils.writeDtlsParameters(\n      transceiver.dtlsTransport.getLocalParameters(),\n      type === 'offer' ? 'actpass' : dtlsRole || 'active');\n\n  sdp += 'a=mid:' + transceiver.mid + '\\r\\n';\n\n  if (transceiver.rtpSender && transceiver.rtpReceiver) {\n    sdp += 'a=sendrecv\\r\\n';\n  } else if (transceiver.rtpSender) {\n    sdp += 'a=sendonly\\r\\n';\n  } else if (transceiver.rtpReceiver) {\n    sdp += 'a=recvonly\\r\\n';\n  } else {\n    sdp += 'a=inactive\\r\\n';\n  }\n\n  if (transceiver.rtpSender) {\n    var trackId = transceiver.rtpSender._initialTrackId ||\n        transceiver.rtpSender.track.id;\n    transceiver.rtpSender._initialTrackId = trackId;\n    // spec.\n    var msid = 'msid:' + (stream ? stream.id : '-') + ' ' +\n        trackId + '\\r\\n';\n    sdp += 'a=' + msid;\n    // for Chrome. Legacy should no longer be required.\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n        ' ' + msid;\n\n    // RTX\n    if (transceiver.sendEncodingParameters[0].rtx) {\n      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n          ' ' + msid;\n      sdp += 'a=ssrc-group:FID ' +\n          transceiver.sendEncodingParameters[0].ssrc + ' ' +\n          transceiver.sendEncodingParameters[0].rtx.ssrc +\n          '\\r\\n';\n    }\n  }\n  // FIXME: this should be written by writeRtpDescription.\n  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n      ' cname:' + SDPUtils.localCName + '\\r\\n';\n  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n        ' cname:' + SDPUtils.localCName + '\\r\\n';\n  }\n  return sdp;\n}\n\n// Edge does not like\n// 1) stun: filtered after 14393 unless ?transport=udp is present\n// 2) turn: that does not have all of turn:host:port?transport=udp\n// 3) turn: with ipv6 addresses\n// 4) turn: occurring muliple times\nfunction filterIceServers(iceServers, edgeVersion) {\n  var hasTurn = false;\n  iceServers = JSON.parse(JSON.stringify(iceServers));\n  return iceServers.filter(function(server) {\n    if (server && (server.urls || server.url)) {\n      var urls = server.urls || server.url;\n      if (server.url && !server.urls) {\n        console.warn('RTCIceServer.url is deprecated! Use urls instead.');\n      }\n      var isString = typeof urls === 'string';\n      if (isString) {\n        urls = [urls];\n      }\n      urls = urls.filter(function(url) {\n        var validTurn = url.indexOf('turn:') === 0 &&\n            url.indexOf('transport=udp') !== -1 &&\n            url.indexOf('turn:[') === -1 &&\n            !hasTurn;\n\n        if (validTurn) {\n          hasTurn = true;\n          return true;\n        }\n        return url.indexOf('stun:') === 0 && edgeVersion >= 14393 &&\n            url.indexOf('?transport=udp') === -1;\n      });\n\n      delete server.url;\n      server.urls = isString ? urls[0] : urls;\n      return !!urls.length;\n    }\n  });\n}\n\n// Determines the intersection of local and remote capabilities.\nfunction getCommonCapabilities(localCapabilities, remoteCapabilities) {\n  var commonCapabilities = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: []\n  };\n\n  var findCodecByPayloadType = function(pt, codecs) {\n    pt = parseInt(pt, 10);\n    for (var i = 0; i < codecs.length; i++) {\n      if (codecs[i].payloadType === pt ||\n          codecs[i].preferredPayloadType === pt) {\n        return codecs[i];\n      }\n    }\n  };\n\n  var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {\n    var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);\n    var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);\n    return lCodec && rCodec &&\n        lCodec.name.toLowerCase() === rCodec.name.toLowerCase();\n  };\n\n  localCapabilities.codecs.forEach(function(lCodec) {\n    for (var i = 0; i < remoteCapabilities.codecs.length; i++) {\n      var rCodec = remoteCapabilities.codecs[i];\n      if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&\n          lCodec.clockRate === rCodec.clockRate) {\n        if (lCodec.name.toLowerCase() === 'rtx' &&\n            lCodec.parameters && rCodec.parameters.apt) {\n          // for RTX we need to find the local rtx that has a apt\n          // which points to the same local codec as the remote one.\n          if (!rtxCapabilityMatches(lCodec, rCodec,\n              localCapabilities.codecs, remoteCapabilities.codecs)) {\n            continue;\n          }\n        }\n        rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy\n        // number of channels is the highest common number of channels\n        rCodec.numChannels = Math.min(lCodec.numChannels,\n            rCodec.numChannels);\n        // push rCodec so we reply with offerer payload type\n        commonCapabilities.codecs.push(rCodec);\n\n        // determine common feedback mechanisms\n        rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {\n          for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {\n            if (lCodec.rtcpFeedback[j].type === fb.type &&\n                lCodec.rtcpFeedback[j].parameter === fb.parameter) {\n              return true;\n            }\n          }\n          return false;\n        });\n        // FIXME: also need to determine .parameters\n        //  see https://github.com/openpeer/ortc/issues/569\n        break;\n      }\n    }\n  });\n\n  localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {\n    for (var i = 0; i < remoteCapabilities.headerExtensions.length;\n         i++) {\n      var rHeaderExtension = remoteCapabilities.headerExtensions[i];\n      if (lHeaderExtension.uri === rHeaderExtension.uri) {\n        commonCapabilities.headerExtensions.push(rHeaderExtension);\n        break;\n      }\n    }\n  });\n\n  // FIXME: fecMechanisms\n  return commonCapabilities;\n}\n\n// is action=setLocalDescription with type allowed in signalingState\nfunction isActionAllowedInSignalingState(action, type, signalingState) {\n  return {\n    offer: {\n      setLocalDescription: ['stable', 'have-local-offer'],\n      setRemoteDescription: ['stable', 'have-remote-offer']\n    },\n    answer: {\n      setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],\n      setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']\n    }\n  }[type][action].indexOf(signalingState) !== -1;\n}\n\nfunction maybeAddCandidate(iceTransport, candidate) {\n  // Edge's internal representation adds some fields therefore\n  // not all fieldѕ are taken into account.\n  var alreadyAdded = iceTransport.getRemoteCandidates()\n      .find(function(remoteCandidate) {\n        return candidate.foundation === remoteCandidate.foundation &&\n            candidate.ip === remoteCandidate.ip &&\n            candidate.port === remoteCandidate.port &&\n            candidate.priority === remoteCandidate.priority &&\n            candidate.protocol === remoteCandidate.protocol &&\n            candidate.type === remoteCandidate.type;\n      });\n  if (!alreadyAdded) {\n    iceTransport.addRemoteCandidate(candidate);\n  }\n  return !alreadyAdded;\n}\n\n\nfunction makeError(name, description) {\n  var e = new Error(description);\n  e.name = name;\n  // legacy error codes from https://heycam.github.io/webidl/#idl-DOMException-error-names\n  e.code = {\n    NotSupportedError: 9,\n    InvalidStateError: 11,\n    InvalidAccessError: 15,\n    TypeError: undefined,\n    OperationError: undefined\n  }[name];\n  return e;\n}\n\nmodule.exports = function(window, edgeVersion) {\n  // https://w3c.github.io/mediacapture-main/#mediastream\n  // Helper function to add the track to the stream and\n  // dispatch the event ourselves.\n  function addTrackToStreamAndFireEvent(track, stream) {\n    stream.addTrack(track);\n    stream.dispatchEvent(new window.MediaStreamTrackEvent('addtrack',\n        {track: track}));\n  }\n\n  function removeTrackFromStreamAndFireEvent(track, stream) {\n    stream.removeTrack(track);\n    stream.dispatchEvent(new window.MediaStreamTrackEvent('removetrack',\n        {track: track}));\n  }\n\n  function fireAddTrack(pc, track, receiver, streams) {\n    var trackEvent = new Event('track');\n    trackEvent.track = track;\n    trackEvent.receiver = receiver;\n    trackEvent.transceiver = {receiver: receiver};\n    trackEvent.streams = streams;\n    window.setTimeout(function() {\n      pc._dispatchEvent('track', trackEvent);\n    });\n  }\n\n  var RTCPeerConnection = function(config) {\n    var pc = this;\n\n    var _eventTarget = document.createDocumentFragment();\n    ['addEventListener', 'removeEventListener', 'dispatchEvent']\n        .forEach(function(method) {\n          pc[method] = _eventTarget[method].bind(_eventTarget);\n        });\n\n    this.canTrickleIceCandidates = null;\n\n    this.needNegotiation = false;\n\n    this.localStreams = [];\n    this.remoteStreams = [];\n\n    this._localDescription = null;\n    this._remoteDescription = null;\n\n    this.signalingState = 'stable';\n    this.iceConnectionState = 'new';\n    this.connectionState = 'new';\n    this.iceGatheringState = 'new';\n\n    config = JSON.parse(JSON.stringify(config || {}));\n\n    this.usingBundle = config.bundlePolicy === 'max-bundle';\n    if (config.rtcpMuxPolicy === 'negotiate') {\n      throw(makeError('NotSupportedError',\n          'rtcpMuxPolicy \\'negotiate\\' is not supported'));\n    } else if (!config.rtcpMuxPolicy) {\n      config.rtcpMuxPolicy = 'require';\n    }\n\n    switch (config.iceTransportPolicy) {\n      case 'all':\n      case 'relay':\n        break;\n      default:\n        config.iceTransportPolicy = 'all';\n        break;\n    }\n\n    switch (config.bundlePolicy) {\n      case 'balanced':\n      case 'max-compat':\n      case 'max-bundle':\n        break;\n      default:\n        config.bundlePolicy = 'balanced';\n        break;\n    }\n\n    config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);\n\n    this._iceGatherers = [];\n    if (config.iceCandidatePoolSize) {\n      for (var i = config.iceCandidatePoolSize; i > 0; i--) {\n        this._iceGatherers.push(new window.RTCIceGatherer({\n          iceServers: config.iceServers,\n          gatherPolicy: config.iceTransportPolicy\n        }));\n      }\n    } else {\n      config.iceCandidatePoolSize = 0;\n    }\n\n    this._config = config;\n\n    // per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...\n    // everything that is needed to describe a SDP m-line.\n    this.transceivers = [];\n\n    this._sdpSessionId = SDPUtils.generateSessionId();\n    this._sdpSessionVersion = 0;\n\n    this._dtlsRole = undefined; // role for a=setup to use in answers.\n\n    this._isClosed = false;\n  };\n\n  Object.defineProperty(RTCPeerConnection.prototype, 'localDescription', {\n    configurable: true,\n    get: function() {\n      return this._localDescription;\n    }\n  });\n  Object.defineProperty(RTCPeerConnection.prototype, 'remoteDescription', {\n    configurable: true,\n    get: function() {\n      return this._remoteDescription;\n    }\n  });\n\n  // set up event handlers on prototype\n  RTCPeerConnection.prototype.onicecandidate = null;\n  RTCPeerConnection.prototype.onaddstream = null;\n  RTCPeerConnection.prototype.ontrack = null;\n  RTCPeerConnection.prototype.onremovestream = null;\n  RTCPeerConnection.prototype.onsignalingstatechange = null;\n  RTCPeerConnection.prototype.oniceconnectionstatechange = null;\n  RTCPeerConnection.prototype.onconnectionstatechange = null;\n  RTCPeerConnection.prototype.onicegatheringstatechange = null;\n  RTCPeerConnection.prototype.onnegotiationneeded = null;\n  RTCPeerConnection.prototype.ondatachannel = null;\n\n  RTCPeerConnection.prototype._dispatchEvent = function(name, event) {\n    if (this._isClosed) {\n      return;\n    }\n    this.dispatchEvent(event);\n    if (typeof this['on' + name] === 'function') {\n      this['on' + name](event);\n    }\n  };\n\n  RTCPeerConnection.prototype._emitGatheringStateChange = function() {\n    var event = new Event('icegatheringstatechange');\n    this._dispatchEvent('icegatheringstatechange', event);\n  };\n\n  RTCPeerConnection.prototype.getConfiguration = function() {\n    return this._config;\n  };\n\n  RTCPeerConnection.prototype.getLocalStreams = function() {\n    return this.localStreams;\n  };\n\n  RTCPeerConnection.prototype.getRemoteStreams = function() {\n    return this.remoteStreams;\n  };\n\n  // internal helper to create a transceiver object.\n  // (which is not yet the same as the WebRTC 1.0 transceiver)\n  RTCPeerConnection.prototype._createTransceiver = function(kind, doNotAdd) {\n    var hasBundleTransport = this.transceivers.length > 0;\n    var transceiver = {\n      track: null,\n      iceGatherer: null,\n      iceTransport: null,\n      dtlsTransport: null,\n      localCapabilities: null,\n      remoteCapabilities: null,\n      rtpSender: null,\n      rtpReceiver: null,\n      kind: kind,\n      mid: null,\n      sendEncodingParameters: null,\n      recvEncodingParameters: null,\n      stream: null,\n      associatedRemoteMediaStreams: [],\n      wantReceive: true\n    };\n    if (this.usingBundle && hasBundleTransport) {\n      transceiver.iceTransport = this.transceivers[0].iceTransport;\n      transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;\n    } else {\n      var transports = this._createIceAndDtlsTransports();\n      transceiver.iceTransport = transports.iceTransport;\n      transceiver.dtlsTransport = transports.dtlsTransport;\n    }\n    if (!doNotAdd) {\n      this.transceivers.push(transceiver);\n    }\n    return transceiver;\n  };\n\n  RTCPeerConnection.prototype.addTrack = function(track, stream) {\n    if (this._isClosed) {\n      throw makeError('InvalidStateError',\n          'Attempted to call addTrack on a closed peerconnection.');\n    }\n\n    var alreadyExists = this.transceivers.find(function(s) {\n      return s.track === track;\n    });\n\n    if (alreadyExists) {\n      throw makeError('InvalidAccessError', 'Track already exists.');\n    }\n\n    var transceiver;\n    for (var i = 0; i < this.transceivers.length; i++) {\n      if (!this.transceivers[i].track &&\n          this.transceivers[i].kind === track.kind) {\n        transceiver = this.transceivers[i];\n      }\n    }\n    if (!transceiver) {\n      transceiver = this._createTransceiver(track.kind);\n    }\n\n    this._maybeFireNegotiationNeeded();\n\n    if (this.localStreams.indexOf(stream) === -1) {\n      this.localStreams.push(stream);\n    }\n\n    transceiver.track = track;\n    transceiver.stream = stream;\n    transceiver.rtpSender = new window.RTCRtpSender(track,\n        transceiver.dtlsTransport);\n    return transceiver.rtpSender;\n  };\n\n  RTCPeerConnection.prototype.addStream = function(stream) {\n    var pc = this;\n    if (edgeVersion >= 15025) {\n      stream.getTracks().forEach(function(track) {\n        pc.addTrack(track, stream);\n      });\n    } else {\n      // Clone is necessary for local demos mostly, attaching directly\n      // to two different senders does not work (build 10547).\n      // Fixed in 15025 (or earlier)\n      var clonedStream = stream.clone();\n      stream.getTracks().forEach(function(track, idx) {\n        var clonedTrack = clonedStream.getTracks()[idx];\n        track.addEventListener('enabled', function(event) {\n          clonedTrack.enabled = event.enabled;\n        });\n      });\n      clonedStream.getTracks().forEach(function(track) {\n        pc.addTrack(track, clonedStream);\n      });\n    }\n  };\n\n  RTCPeerConnection.prototype.removeTrack = function(sender) {\n    if (this._isClosed) {\n      throw makeError('InvalidStateError',\n          'Attempted to call removeTrack on a closed peerconnection.');\n    }\n\n    if (!(sender instanceof window.RTCRtpSender)) {\n      throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +\n          'does not implement interface RTCRtpSender.');\n    }\n\n    var transceiver = this.transceivers.find(function(t) {\n      return t.rtpSender === sender;\n    });\n\n    if (!transceiver) {\n      throw makeError('InvalidAccessError',\n          'Sender was not created by this connection.');\n    }\n    var stream = transceiver.stream;\n\n    transceiver.rtpSender.stop();\n    transceiver.rtpSender = null;\n    transceiver.track = null;\n    transceiver.stream = null;\n\n    // remove the stream from the set of local streams\n    var localStreams = this.transceivers.map(function(t) {\n      return t.stream;\n    });\n    if (localStreams.indexOf(stream) === -1 &&\n        this.localStreams.indexOf(stream) > -1) {\n      this.localStreams.splice(this.localStreams.indexOf(stream), 1);\n    }\n\n    this._maybeFireNegotiationNeeded();\n  };\n\n  RTCPeerConnection.prototype.removeStream = function(stream) {\n    var pc = this;\n    stream.getTracks().forEach(function(track) {\n      var sender = pc.getSenders().find(function(s) {\n        return s.track === track;\n      });\n      if (sender) {\n        pc.removeTrack(sender);\n      }\n    });\n  };\n\n  RTCPeerConnection.prototype.getSenders = function() {\n    return this.transceivers.filter(function(transceiver) {\n      return !!transceiver.rtpSender;\n    })\n    .map(function(transceiver) {\n      return transceiver.rtpSender;\n    });\n  };\n\n  RTCPeerConnection.prototype.getReceivers = function() {\n    return this.transceivers.filter(function(transceiver) {\n      return !!transceiver.rtpReceiver;\n    })\n    .map(function(transceiver) {\n      return transceiver.rtpReceiver;\n    });\n  };\n\n\n  RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,\n      usingBundle) {\n    var pc = this;\n    if (usingBundle && sdpMLineIndex > 0) {\n      return this.transceivers[0].iceGatherer;\n    } else if (this._iceGatherers.length) {\n      return this._iceGatherers.shift();\n    }\n    var iceGatherer = new window.RTCIceGatherer({\n      iceServers: this._config.iceServers,\n      gatherPolicy: this._config.iceTransportPolicy\n    });\n    Object.defineProperty(iceGatherer, 'state',\n        {value: 'new', writable: true}\n    );\n\n    this.transceivers[sdpMLineIndex].bufferedCandidateEvents = [];\n    this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {\n      var end = !event.candidate || Object.keys(event.candidate).length === 0;\n      // polyfill since RTCIceGatherer.state is not implemented in\n      // Edge 10547 yet.\n      iceGatherer.state = end ? 'completed' : 'gathering';\n      if (pc.transceivers[sdpMLineIndex].bufferedCandidateEvents !== null) {\n        pc.transceivers[sdpMLineIndex].bufferedCandidateEvents.push(event);\n      }\n    };\n    iceGatherer.addEventListener('localcandidate',\n      this.transceivers[sdpMLineIndex].bufferCandidates);\n    return iceGatherer;\n  };\n\n  // start gathering from an RTCIceGatherer.\n  RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {\n    var pc = this;\n    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;\n    if (iceGatherer.onlocalcandidate) {\n      return;\n    }\n    var bufferedCandidateEvents =\n      this.transceivers[sdpMLineIndex].bufferedCandidateEvents;\n    this.transceivers[sdpMLineIndex].bufferedCandidateEvents = null;\n    iceGatherer.removeEventListener('localcandidate',\n      this.transceivers[sdpMLineIndex].bufferCandidates);\n    iceGatherer.onlocalcandidate = function(evt) {\n      if (pc.usingBundle && sdpMLineIndex > 0) {\n        // if we know that we use bundle we can drop candidates with\n        // ѕdpMLineIndex > 0. If we don't do this then our state gets\n        // confused since we dispose the extra ice gatherer.\n        return;\n      }\n      var event = new Event('icecandidate');\n      event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};\n\n      var cand = evt.candidate;\n      // Edge emits an empty object for RTCIceCandidateComplete‥\n      var end = !cand || Object.keys(cand).length === 0;\n      if (end) {\n        // polyfill since RTCIceGatherer.state is not implemented in\n        // Edge 10547 yet.\n        if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {\n          iceGatherer.state = 'completed';\n        }\n      } else {\n        if (iceGatherer.state === 'new') {\n          iceGatherer.state = 'gathering';\n        }\n        // RTCIceCandidate doesn't have a component, needs to be added\n        cand.component = 1;\n        // also the usernameFragment. TODO: update SDP to take both variants.\n        cand.ufrag = iceGatherer.getLocalParameters().usernameFragment;\n\n        var serializedCandidate = SDPUtils.writeCandidate(cand);\n        event.candidate = Object.assign(event.candidate,\n            SDPUtils.parseCandidate(serializedCandidate));\n\n        event.candidate.candidate = serializedCandidate;\n        event.candidate.toJSON = function() {\n          return {\n            candidate: event.candidate.candidate,\n            sdpMid: event.candidate.sdpMid,\n            sdpMLineIndex: event.candidate.sdpMLineIndex,\n            usernameFragment: event.candidate.usernameFragment\n          };\n        };\n      }\n\n      // update local description.\n      var sections = SDPUtils.getMediaSections(pc._localDescription.sdp);\n      if (!end) {\n        sections[event.candidate.sdpMLineIndex] +=\n            'a=' + event.candidate.candidate + '\\r\\n';\n      } else {\n        sections[event.candidate.sdpMLineIndex] +=\n            'a=end-of-candidates\\r\\n';\n      }\n      pc._localDescription.sdp =\n          SDPUtils.getDescription(pc._localDescription.sdp) +\n          sections.join('');\n      var complete = pc.transceivers.every(function(transceiver) {\n        return transceiver.iceGatherer &&\n            transceiver.iceGatherer.state === 'completed';\n      });\n\n      if (pc.iceGatheringState !== 'gathering') {\n        pc.iceGatheringState = 'gathering';\n        pc._emitGatheringStateChange();\n      }\n\n      // Emit candidate. Also emit null candidate when all gatherers are\n      // complete.\n      if (!end) {\n        pc._dispatchEvent('icecandidate', event);\n      }\n      if (complete) {\n        pc._dispatchEvent('icecandidate', new Event('icecandidate'));\n        pc.iceGatheringState = 'complete';\n        pc._emitGatheringStateChange();\n      }\n    };\n\n    // emit already gathered candidates.\n    window.setTimeout(function() {\n      bufferedCandidateEvents.forEach(function(e) {\n        iceGatherer.onlocalcandidate(e);\n      });\n    }, 0);\n  };\n\n  // Create ICE transport and DTLS transport.\n  RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {\n    var pc = this;\n    var iceTransport = new window.RTCIceTransport(null);\n    iceTransport.onicestatechange = function() {\n      pc._updateIceConnectionState();\n      pc._updateConnectionState();\n    };\n\n    var dtlsTransport = new window.RTCDtlsTransport(iceTransport);\n    dtlsTransport.ondtlsstatechange = function() {\n      pc._updateConnectionState();\n    };\n    dtlsTransport.onerror = function() {\n      // onerror does not set state to failed by itself.\n      Object.defineProperty(dtlsTransport, 'state',\n          {value: 'failed', writable: true});\n      pc._updateConnectionState();\n    };\n\n    return {\n      iceTransport: iceTransport,\n      dtlsTransport: dtlsTransport\n    };\n  };\n\n  // Destroy ICE gatherer, ICE transport and DTLS transport.\n  // Without triggering the callbacks.\n  RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(\n      sdpMLineIndex) {\n    var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;\n    if (iceGatherer) {\n      delete iceGatherer.onlocalcandidate;\n      delete this.transceivers[sdpMLineIndex].iceGatherer;\n    }\n    var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;\n    if (iceTransport) {\n      delete iceTransport.onicestatechange;\n      delete this.transceivers[sdpMLineIndex].iceTransport;\n    }\n    var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;\n    if (dtlsTransport) {\n      delete dtlsTransport.ondtlsstatechange;\n      delete dtlsTransport.onerror;\n      delete this.transceivers[sdpMLineIndex].dtlsTransport;\n    }\n  };\n\n  // Start the RTP Sender and Receiver for a transceiver.\n  RTCPeerConnection.prototype._transceive = function(transceiver,\n      send, recv) {\n    var params = getCommonCapabilities(transceiver.localCapabilities,\n        transceiver.remoteCapabilities);\n    if (send && transceiver.rtpSender) {\n      params.encodings = transceiver.sendEncodingParameters;\n      params.rtcp = {\n        cname: SDPUtils.localCName,\n        compound: transceiver.rtcpParameters.compound\n      };\n      if (transceiver.recvEncodingParameters.length) {\n        params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;\n      }\n      transceiver.rtpSender.send(params);\n    }\n    if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {\n      // remove RTX field in Edge 14942\n      if (transceiver.kind === 'video'\n          && transceiver.recvEncodingParameters\n          && edgeVersion < 15019) {\n        transceiver.recvEncodingParameters.forEach(function(p) {\n          delete p.rtx;\n        });\n      }\n      if (transceiver.recvEncodingParameters.length) {\n        params.encodings = transceiver.recvEncodingParameters;\n      } else {\n        params.encodings = [{}];\n      }\n      params.rtcp = {\n        compound: transceiver.rtcpParameters.compound\n      };\n      if (transceiver.rtcpParameters.cname) {\n        params.rtcp.cname = transceiver.rtcpParameters.cname;\n      }\n      if (transceiver.sendEncodingParameters.length) {\n        params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;\n      }\n      transceiver.rtpReceiver.receive(params);\n    }\n  };\n\n  RTCPeerConnection.prototype.setLocalDescription = function(description) {\n    var pc = this;\n\n    // Note: pranswer is not supported.\n    if (['offer', 'answer'].indexOf(description.type) === -1) {\n      return Promise.reject(makeError('TypeError',\n          'Unsupported type \"' + description.type + '\"'));\n    }\n\n    if (!isActionAllowedInSignalingState('setLocalDescription',\n        description.type, pc.signalingState) || pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not set local ' + description.type +\n          ' in state ' + pc.signalingState));\n    }\n\n    var sections;\n    var sessionpart;\n    if (description.type === 'offer') {\n      // VERY limited support for SDP munging. Limited to:\n      // * changing the order of codecs\n      sections = SDPUtils.splitSections(description.sdp);\n      sessionpart = sections.shift();\n      sections.forEach(function(mediaSection, sdpMLineIndex) {\n        var caps = SDPUtils.parseRtpParameters(mediaSection);\n        pc.transceivers[sdpMLineIndex].localCapabilities = caps;\n      });\n\n      pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n        pc._gather(transceiver.mid, sdpMLineIndex);\n      });\n    } else if (description.type === 'answer') {\n      sections = SDPUtils.splitSections(pc._remoteDescription.sdp);\n      sessionpart = sections.shift();\n      var isIceLite = SDPUtils.matchPrefix(sessionpart,\n          'a=ice-lite').length > 0;\n      sections.forEach(function(mediaSection, sdpMLineIndex) {\n        var transceiver = pc.transceivers[sdpMLineIndex];\n        var iceGatherer = transceiver.iceGatherer;\n        var iceTransport = transceiver.iceTransport;\n        var dtlsTransport = transceiver.dtlsTransport;\n        var localCapabilities = transceiver.localCapabilities;\n        var remoteCapabilities = transceiver.remoteCapabilities;\n\n        // treat bundle-only as not-rejected.\n        var rejected = SDPUtils.isRejected(mediaSection) &&\n            SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;\n\n        if (!rejected && !transceiver.rejected) {\n          var remoteIceParameters = SDPUtils.getIceParameters(\n              mediaSection, sessionpart);\n          var remoteDtlsParameters = SDPUtils.getDtlsParameters(\n              mediaSection, sessionpart);\n          if (isIceLite) {\n            remoteDtlsParameters.role = 'server';\n          }\n\n          if (!pc.usingBundle || sdpMLineIndex === 0) {\n            pc._gather(transceiver.mid, sdpMLineIndex);\n            if (iceTransport.state === 'new') {\n              iceTransport.start(iceGatherer, remoteIceParameters,\n                  isIceLite ? 'controlling' : 'controlled');\n            }\n            if (dtlsTransport.state === 'new') {\n              dtlsTransport.start(remoteDtlsParameters);\n            }\n          }\n\n          // Calculate intersection of capabilities.\n          var params = getCommonCapabilities(localCapabilities,\n              remoteCapabilities);\n\n          // Start the RTCRtpSender. The RTCRtpReceiver for this\n          // transceiver has already been started in setRemoteDescription.\n          pc._transceive(transceiver,\n              params.codecs.length > 0,\n              false);\n        }\n      });\n    }\n\n    pc._localDescription = {\n      type: description.type,\n      sdp: description.sdp\n    };\n    if (description.type === 'offer') {\n      pc._updateSignalingState('have-local-offer');\n    } else {\n      pc._updateSignalingState('stable');\n    }\n\n    return Promise.resolve();\n  };\n\n  RTCPeerConnection.prototype.setRemoteDescription = function(description) {\n    var pc = this;\n\n    // Note: pranswer is not supported.\n    if (['offer', 'answer'].indexOf(description.type) === -1) {\n      return Promise.reject(makeError('TypeError',\n          'Unsupported type \"' + description.type + '\"'));\n    }\n\n    if (!isActionAllowedInSignalingState('setRemoteDescription',\n        description.type, pc.signalingState) || pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not set remote ' + description.type +\n          ' in state ' + pc.signalingState));\n    }\n\n    var streams = {};\n    pc.remoteStreams.forEach(function(stream) {\n      streams[stream.id] = stream;\n    });\n    var receiverList = [];\n    var sections = SDPUtils.splitSections(description.sdp);\n    var sessionpart = sections.shift();\n    var isIceLite = SDPUtils.matchPrefix(sessionpart,\n        'a=ice-lite').length > 0;\n    var usingBundle = SDPUtils.matchPrefix(sessionpart,\n        'a=group:BUNDLE ').length > 0;\n    pc.usingBundle = usingBundle;\n    var iceOptions = SDPUtils.matchPrefix(sessionpart,\n        'a=ice-options:')[0];\n    if (iceOptions) {\n      pc.canTrickleIceCandidates = iceOptions.substr(14).split(' ')\n          .indexOf('trickle') >= 0;\n    } else {\n      pc.canTrickleIceCandidates = false;\n    }\n\n    sections.forEach(function(mediaSection, sdpMLineIndex) {\n      var lines = SDPUtils.splitLines(mediaSection);\n      var kind = SDPUtils.getKind(mediaSection);\n      // treat bundle-only as not-rejected.\n      var rejected = SDPUtils.isRejected(mediaSection) &&\n          SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;\n      var protocol = lines[0].substr(2).split(' ')[2];\n\n      var direction = SDPUtils.getDirection(mediaSection, sessionpart);\n      var remoteMsid = SDPUtils.parseMsid(mediaSection);\n\n      var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();\n\n      // Reject datachannels which are not implemented yet.\n      if (rejected || (kind === 'application' && (protocol === 'DTLS/SCTP' ||\n          protocol === 'UDP/DTLS/SCTP'))) {\n        // TODO: this is dangerous in the case where a non-rejected m-line\n        //     becomes rejected.\n        pc.transceivers[sdpMLineIndex] = {\n          mid: mid,\n          kind: kind,\n          protocol: protocol,\n          rejected: true\n        };\n        return;\n      }\n\n      if (!rejected && pc.transceivers[sdpMLineIndex] &&\n          pc.transceivers[sdpMLineIndex].rejected) {\n        // recycle a rejected transceiver.\n        pc.transceivers[sdpMLineIndex] = pc._createTransceiver(kind, true);\n      }\n\n      var transceiver;\n      var iceGatherer;\n      var iceTransport;\n      var dtlsTransport;\n      var rtpReceiver;\n      var sendEncodingParameters;\n      var recvEncodingParameters;\n      var localCapabilities;\n\n      var track;\n      // FIXME: ensure the mediaSection has rtcp-mux set.\n      var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);\n      var remoteIceParameters;\n      var remoteDtlsParameters;\n      if (!rejected) {\n        remoteIceParameters = SDPUtils.getIceParameters(mediaSection,\n            sessionpart);\n        remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,\n            sessionpart);\n        remoteDtlsParameters.role = 'client';\n      }\n      recvEncodingParameters =\n          SDPUtils.parseRtpEncodingParameters(mediaSection);\n\n      var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);\n\n      var isComplete = SDPUtils.matchPrefix(mediaSection,\n          'a=end-of-candidates', sessionpart).length > 0;\n      var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')\n          .map(function(cand) {\n            return SDPUtils.parseCandidate(cand);\n          })\n          .filter(function(cand) {\n            return cand.component === 1;\n          });\n\n      // Check if we can use BUNDLE and dispose transports.\n      if ((description.type === 'offer' || description.type === 'answer') &&\n          !rejected && usingBundle && sdpMLineIndex > 0 &&\n          pc.transceivers[sdpMLineIndex]) {\n        pc._disposeIceAndDtlsTransports(sdpMLineIndex);\n        pc.transceivers[sdpMLineIndex].iceGatherer =\n            pc.transceivers[0].iceGatherer;\n        pc.transceivers[sdpMLineIndex].iceTransport =\n            pc.transceivers[0].iceTransport;\n        pc.transceivers[sdpMLineIndex].dtlsTransport =\n            pc.transceivers[0].dtlsTransport;\n        if (pc.transceivers[sdpMLineIndex].rtpSender) {\n          pc.transceivers[sdpMLineIndex].rtpSender.setTransport(\n              pc.transceivers[0].dtlsTransport);\n        }\n        if (pc.transceivers[sdpMLineIndex].rtpReceiver) {\n          pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(\n              pc.transceivers[0].dtlsTransport);\n        }\n      }\n      if (description.type === 'offer' && !rejected) {\n        transceiver = pc.transceivers[sdpMLineIndex] ||\n            pc._createTransceiver(kind);\n        transceiver.mid = mid;\n\n        if (!transceiver.iceGatherer) {\n          transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,\n              usingBundle);\n        }\n\n        if (cands.length && transceiver.iceTransport.state === 'new') {\n          if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {\n            transceiver.iceTransport.setRemoteCandidates(cands);\n          } else {\n            cands.forEach(function(candidate) {\n              maybeAddCandidate(transceiver.iceTransport, candidate);\n            });\n          }\n        }\n\n        localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);\n\n        // filter RTX until additional stuff needed for RTX is implemented\n        // in adapter.js\n        if (edgeVersion < 15019) {\n          localCapabilities.codecs = localCapabilities.codecs.filter(\n              function(codec) {\n                return codec.name !== 'rtx';\n              });\n        }\n\n        sendEncodingParameters = transceiver.sendEncodingParameters || [{\n          ssrc: (2 * sdpMLineIndex + 2) * 1001\n        }];\n\n        // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams\n        var isNewTrack = false;\n        if (direction === 'sendrecv' || direction === 'sendonly') {\n          isNewTrack = !transceiver.rtpReceiver;\n          rtpReceiver = transceiver.rtpReceiver ||\n              new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);\n\n          if (isNewTrack) {\n            var stream;\n            track = rtpReceiver.track;\n            // FIXME: does not work with Plan B.\n            if (remoteMsid && remoteMsid.stream === '-') {\n              // no-op. a stream id of '-' means: no associated stream.\n            } else if (remoteMsid) {\n              if (!streams[remoteMsid.stream]) {\n                streams[remoteMsid.stream] = new window.MediaStream();\n                Object.defineProperty(streams[remoteMsid.stream], 'id', {\n                  get: function() {\n                    return remoteMsid.stream;\n                  }\n                });\n              }\n              Object.defineProperty(track, 'id', {\n                get: function() {\n                  return remoteMsid.track;\n                }\n              });\n              stream = streams[remoteMsid.stream];\n            } else {\n              if (!streams.default) {\n                streams.default = new window.MediaStream();\n              }\n              stream = streams.default;\n            }\n            if (stream) {\n              addTrackToStreamAndFireEvent(track, stream);\n              transceiver.associatedRemoteMediaStreams.push(stream);\n            }\n            receiverList.push([track, rtpReceiver, stream]);\n          }\n        } else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {\n          transceiver.associatedRemoteMediaStreams.forEach(function(s) {\n            var nativeTrack = s.getTracks().find(function(t) {\n              return t.id === transceiver.rtpReceiver.track.id;\n            });\n            if (nativeTrack) {\n              removeTrackFromStreamAndFireEvent(nativeTrack, s);\n            }\n          });\n          transceiver.associatedRemoteMediaStreams = [];\n        }\n\n        transceiver.localCapabilities = localCapabilities;\n        transceiver.remoteCapabilities = remoteCapabilities;\n        transceiver.rtpReceiver = rtpReceiver;\n        transceiver.rtcpParameters = rtcpParameters;\n        transceiver.sendEncodingParameters = sendEncodingParameters;\n        transceiver.recvEncodingParameters = recvEncodingParameters;\n\n        // Start the RTCRtpReceiver now. The RTPSender is started in\n        // setLocalDescription.\n        pc._transceive(pc.transceivers[sdpMLineIndex],\n            false,\n            isNewTrack);\n      } else if (description.type === 'answer' && !rejected) {\n        transceiver = pc.transceivers[sdpMLineIndex];\n        iceGatherer = transceiver.iceGatherer;\n        iceTransport = transceiver.iceTransport;\n        dtlsTransport = transceiver.dtlsTransport;\n        rtpReceiver = transceiver.rtpReceiver;\n        sendEncodingParameters = transceiver.sendEncodingParameters;\n        localCapabilities = transceiver.localCapabilities;\n\n        pc.transceivers[sdpMLineIndex].recvEncodingParameters =\n            recvEncodingParameters;\n        pc.transceivers[sdpMLineIndex].remoteCapabilities =\n            remoteCapabilities;\n        pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;\n\n        if (cands.length && iceTransport.state === 'new') {\n          if ((isIceLite || isComplete) &&\n              (!usingBundle || sdpMLineIndex === 0)) {\n            iceTransport.setRemoteCandidates(cands);\n          } else {\n            cands.forEach(function(candidate) {\n              maybeAddCandidate(transceiver.iceTransport, candidate);\n            });\n          }\n        }\n\n        if (!usingBundle || sdpMLineIndex === 0) {\n          if (iceTransport.state === 'new') {\n            iceTransport.start(iceGatherer, remoteIceParameters,\n                'controlling');\n          }\n          if (dtlsTransport.state === 'new') {\n            dtlsTransport.start(remoteDtlsParameters);\n          }\n        }\n\n        // If the offer contained RTX but the answer did not,\n        // remove RTX from sendEncodingParameters.\n        var commonCapabilities = getCommonCapabilities(\n          transceiver.localCapabilities,\n          transceiver.remoteCapabilities);\n\n        var hasRtx = commonCapabilities.codecs.filter(function(c) {\n          return c.name.toLowerCase() === 'rtx';\n        }).length;\n        if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {\n          delete transceiver.sendEncodingParameters[0].rtx;\n        }\n\n        pc._transceive(transceiver,\n            direction === 'sendrecv' || direction === 'recvonly',\n            direction === 'sendrecv' || direction === 'sendonly');\n\n        // TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams\n        if (rtpReceiver &&\n            (direction === 'sendrecv' || direction === 'sendonly')) {\n          track = rtpReceiver.track;\n          if (remoteMsid) {\n            if (!streams[remoteMsid.stream]) {\n              streams[remoteMsid.stream] = new window.MediaStream();\n            }\n            addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);\n            receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);\n          } else {\n            if (!streams.default) {\n              streams.default = new window.MediaStream();\n            }\n            addTrackToStreamAndFireEvent(track, streams.default);\n            receiverList.push([track, rtpReceiver, streams.default]);\n          }\n        } else {\n          // FIXME: actually the receiver should be created later.\n          delete transceiver.rtpReceiver;\n        }\n      }\n    });\n\n    if (pc._dtlsRole === undefined) {\n      pc._dtlsRole = description.type === 'offer' ? 'active' : 'passive';\n    }\n\n    pc._remoteDescription = {\n      type: description.type,\n      sdp: description.sdp\n    };\n    if (description.type === 'offer') {\n      pc._updateSignalingState('have-remote-offer');\n    } else {\n      pc._updateSignalingState('stable');\n    }\n    Object.keys(streams).forEach(function(sid) {\n      var stream = streams[sid];\n      if (stream.getTracks().length) {\n        if (pc.remoteStreams.indexOf(stream) === -1) {\n          pc.remoteStreams.push(stream);\n          var event = new Event('addstream');\n          event.stream = stream;\n          window.setTimeout(function() {\n            pc._dispatchEvent('addstream', event);\n          });\n        }\n\n        receiverList.forEach(function(item) {\n          var track = item[0];\n          var receiver = item[1];\n          if (stream.id !== item[2].id) {\n            return;\n          }\n          fireAddTrack(pc, track, receiver, [stream]);\n        });\n      }\n    });\n    receiverList.forEach(function(item) {\n      if (item[2]) {\n        return;\n      }\n      fireAddTrack(pc, item[0], item[1], []);\n    });\n\n    // check whether addIceCandidate({}) was called within four seconds after\n    // setRemoteDescription.\n    window.setTimeout(function() {\n      if (!(pc && pc.transceivers)) {\n        return;\n      }\n      pc.transceivers.forEach(function(transceiver) {\n        if (transceiver.iceTransport &&\n            transceiver.iceTransport.state === 'new' &&\n            transceiver.iceTransport.getRemoteCandidates().length > 0) {\n          console.warn('Timeout for addRemoteCandidate. Consider sending ' +\n              'an end-of-candidates notification');\n          transceiver.iceTransport.addRemoteCandidate({});\n        }\n      });\n    }, 4000);\n\n    return Promise.resolve();\n  };\n\n  RTCPeerConnection.prototype.close = function() {\n    this.transceivers.forEach(function(transceiver) {\n      /* not yet\n      if (transceiver.iceGatherer) {\n        transceiver.iceGatherer.close();\n      }\n      */\n      if (transceiver.iceTransport) {\n        transceiver.iceTransport.stop();\n      }\n      if (transceiver.dtlsTransport) {\n        transceiver.dtlsTransport.stop();\n      }\n      if (transceiver.rtpSender) {\n        transceiver.rtpSender.stop();\n      }\n      if (transceiver.rtpReceiver) {\n        transceiver.rtpReceiver.stop();\n      }\n    });\n    // FIXME: clean up tracks, local streams, remote streams, etc\n    this._isClosed = true;\n    this._updateSignalingState('closed');\n  };\n\n  // Update the signaling state.\n  RTCPeerConnection.prototype._updateSignalingState = function(newState) {\n    this.signalingState = newState;\n    var event = new Event('signalingstatechange');\n    this._dispatchEvent('signalingstatechange', event);\n  };\n\n  // Determine whether to fire the negotiationneeded event.\n  RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {\n    var pc = this;\n    if (this.signalingState !== 'stable' || this.needNegotiation === true) {\n      return;\n    }\n    this.needNegotiation = true;\n    window.setTimeout(function() {\n      if (pc.needNegotiation) {\n        pc.needNegotiation = false;\n        var event = new Event('negotiationneeded');\n        pc._dispatchEvent('negotiationneeded', event);\n      }\n    }, 0);\n  };\n\n  // Update the ice connection state.\n  RTCPeerConnection.prototype._updateIceConnectionState = function() {\n    var newState;\n    var states = {\n      'new': 0,\n      closed: 0,\n      checking: 0,\n      connected: 0,\n      completed: 0,\n      disconnected: 0,\n      failed: 0\n    };\n    this.transceivers.forEach(function(transceiver) {\n      if (transceiver.iceTransport && !transceiver.rejected) {\n        states[transceiver.iceTransport.state]++;\n      }\n    });\n\n    newState = 'new';\n    if (states.failed > 0) {\n      newState = 'failed';\n    } else if (states.checking > 0) {\n      newState = 'checking';\n    } else if (states.disconnected > 0) {\n      newState = 'disconnected';\n    } else if (states.new > 0) {\n      newState = 'new';\n    } else if (states.connected > 0) {\n      newState = 'connected';\n    } else if (states.completed > 0) {\n      newState = 'completed';\n    }\n\n    if (newState !== this.iceConnectionState) {\n      this.iceConnectionState = newState;\n      var event = new Event('iceconnectionstatechange');\n      this._dispatchEvent('iceconnectionstatechange', event);\n    }\n  };\n\n  // Update the connection state.\n  RTCPeerConnection.prototype._updateConnectionState = function() {\n    var newState;\n    var states = {\n      'new': 0,\n      closed: 0,\n      connecting: 0,\n      connected: 0,\n      completed: 0,\n      disconnected: 0,\n      failed: 0\n    };\n    this.transceivers.forEach(function(transceiver) {\n      if (transceiver.iceTransport && transceiver.dtlsTransport &&\n          !transceiver.rejected) {\n        states[transceiver.iceTransport.state]++;\n        states[transceiver.dtlsTransport.state]++;\n      }\n    });\n    // ICETransport.completed and connected are the same for this purpose.\n    states.connected += states.completed;\n\n    newState = 'new';\n    if (states.failed > 0) {\n      newState = 'failed';\n    } else if (states.connecting > 0) {\n      newState = 'connecting';\n    } else if (states.disconnected > 0) {\n      newState = 'disconnected';\n    } else if (states.new > 0) {\n      newState = 'new';\n    } else if (states.connected > 0) {\n      newState = 'connected';\n    }\n\n    if (newState !== this.connectionState) {\n      this.connectionState = newState;\n      var event = new Event('connectionstatechange');\n      this._dispatchEvent('connectionstatechange', event);\n    }\n  };\n\n  RTCPeerConnection.prototype.createOffer = function() {\n    var pc = this;\n\n    if (pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createOffer after close'));\n    }\n\n    var numAudioTracks = pc.transceivers.filter(function(t) {\n      return t.kind === 'audio';\n    }).length;\n    var numVideoTracks = pc.transceivers.filter(function(t) {\n      return t.kind === 'video';\n    }).length;\n\n    // Determine number of audio and video tracks we need to send/recv.\n    var offerOptions = arguments[0];\n    if (offerOptions) {\n      // Reject Chrome legacy constraints.\n      if (offerOptions.mandatory || offerOptions.optional) {\n        throw new TypeError(\n            'Legacy mandatory/optional constraints not supported.');\n      }\n      if (offerOptions.offerToReceiveAudio !== undefined) {\n        if (offerOptions.offerToReceiveAudio === true) {\n          numAudioTracks = 1;\n        } else if (offerOptions.offerToReceiveAudio === false) {\n          numAudioTracks = 0;\n        } else {\n          numAudioTracks = offerOptions.offerToReceiveAudio;\n        }\n      }\n      if (offerOptions.offerToReceiveVideo !== undefined) {\n        if (offerOptions.offerToReceiveVideo === true) {\n          numVideoTracks = 1;\n        } else if (offerOptions.offerToReceiveVideo === false) {\n          numVideoTracks = 0;\n        } else {\n          numVideoTracks = offerOptions.offerToReceiveVideo;\n        }\n      }\n    }\n\n    pc.transceivers.forEach(function(transceiver) {\n      if (transceiver.kind === 'audio') {\n        numAudioTracks--;\n        if (numAudioTracks < 0) {\n          transceiver.wantReceive = false;\n        }\n      } else if (transceiver.kind === 'video') {\n        numVideoTracks--;\n        if (numVideoTracks < 0) {\n          transceiver.wantReceive = false;\n        }\n      }\n    });\n\n    // Create M-lines for recvonly streams.\n    while (numAudioTracks > 0 || numVideoTracks > 0) {\n      if (numAudioTracks > 0) {\n        pc._createTransceiver('audio');\n        numAudioTracks--;\n      }\n      if (numVideoTracks > 0) {\n        pc._createTransceiver('video');\n        numVideoTracks--;\n      }\n    }\n\n    var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,\n        pc._sdpSessionVersion++);\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      // For each track, create an ice gatherer, ice transport,\n      // dtls transport, potentially rtpsender and rtpreceiver.\n      var track = transceiver.track;\n      var kind = transceiver.kind;\n      var mid = transceiver.mid || SDPUtils.generateIdentifier();\n      transceiver.mid = mid;\n\n      if (!transceiver.iceGatherer) {\n        transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,\n            pc.usingBundle);\n      }\n\n      var localCapabilities = window.RTCRtpSender.getCapabilities(kind);\n      // filter RTX until additional stuff needed for RTX is implemented\n      // in adapter.js\n      if (edgeVersion < 15019) {\n        localCapabilities.codecs = localCapabilities.codecs.filter(\n            function(codec) {\n              return codec.name !== 'rtx';\n            });\n      }\n      localCapabilities.codecs.forEach(function(codec) {\n        // work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552\n        // by adding level-asymmetry-allowed=1\n        if (codec.name === 'H264' &&\n            codec.parameters['level-asymmetry-allowed'] === undefined) {\n          codec.parameters['level-asymmetry-allowed'] = '1';\n        }\n\n        // for subsequent offers, we might have to re-use the payload\n        // type of the last offer.\n        if (transceiver.remoteCapabilities &&\n            transceiver.remoteCapabilities.codecs) {\n          transceiver.remoteCapabilities.codecs.forEach(function(remoteCodec) {\n            if (codec.name.toLowerCase() === remoteCodec.name.toLowerCase() &&\n                codec.clockRate === remoteCodec.clockRate) {\n              codec.preferredPayloadType = remoteCodec.payloadType;\n            }\n          });\n        }\n      });\n      localCapabilities.headerExtensions.forEach(function(hdrExt) {\n        var remoteExtensions = transceiver.remoteCapabilities &&\n            transceiver.remoteCapabilities.headerExtensions || [];\n        remoteExtensions.forEach(function(rHdrExt) {\n          if (hdrExt.uri === rHdrExt.uri) {\n            hdrExt.id = rHdrExt.id;\n          }\n        });\n      });\n\n      // generate an ssrc now, to be used later in rtpSender.send\n      var sendEncodingParameters = transceiver.sendEncodingParameters || [{\n        ssrc: (2 * sdpMLineIndex + 1) * 1001\n      }];\n      if (track) {\n        // add RTX\n        if (edgeVersion >= 15019 && kind === 'video' &&\n            !sendEncodingParameters[0].rtx) {\n          sendEncodingParameters[0].rtx = {\n            ssrc: sendEncodingParameters[0].ssrc + 1\n          };\n        }\n      }\n\n      if (transceiver.wantReceive) {\n        transceiver.rtpReceiver = new window.RTCRtpReceiver(\n            transceiver.dtlsTransport, kind);\n      }\n\n      transceiver.localCapabilities = localCapabilities;\n      transceiver.sendEncodingParameters = sendEncodingParameters;\n    });\n\n    // always offer BUNDLE and dispose on return if not supported.\n    if (pc._config.bundlePolicy !== 'max-compat') {\n      sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {\n        return t.mid;\n      }).join(' ') + '\\r\\n';\n    }\n    sdp += 'a=ice-options:trickle\\r\\n';\n\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      sdp += writeMediaSection(transceiver, transceiver.localCapabilities,\n          'offer', transceiver.stream, pc._dtlsRole);\n      sdp += 'a=rtcp-rsize\\r\\n';\n\n      if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&\n          (sdpMLineIndex === 0 || !pc.usingBundle)) {\n        transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {\n          cand.component = 1;\n          sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\\r\\n';\n        });\n\n        if (transceiver.iceGatherer.state === 'completed') {\n          sdp += 'a=end-of-candidates\\r\\n';\n        }\n      }\n    });\n\n    var desc = new window.RTCSessionDescription({\n      type: 'offer',\n      sdp: sdp\n    });\n    return Promise.resolve(desc);\n  };\n\n  RTCPeerConnection.prototype.createAnswer = function() {\n    var pc = this;\n\n    if (pc._isClosed) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createAnswer after close'));\n    }\n\n    if (!(pc.signalingState === 'have-remote-offer' ||\n        pc.signalingState === 'have-local-pranswer')) {\n      return Promise.reject(makeError('InvalidStateError',\n          'Can not call createAnswer in signalingState ' + pc.signalingState));\n    }\n\n    var sdp = SDPUtils.writeSessionBoilerplate(pc._sdpSessionId,\n        pc._sdpSessionVersion++);\n    if (pc.usingBundle) {\n      sdp += 'a=group:BUNDLE ' + pc.transceivers.map(function(t) {\n        return t.mid;\n      }).join(' ') + '\\r\\n';\n    }\n    sdp += 'a=ice-options:trickle\\r\\n';\n\n    var mediaSectionsInOffer = SDPUtils.getMediaSections(\n        pc._remoteDescription.sdp).length;\n    pc.transceivers.forEach(function(transceiver, sdpMLineIndex) {\n      if (sdpMLineIndex + 1 > mediaSectionsInOffer) {\n        return;\n      }\n      if (transceiver.rejected) {\n        if (transceiver.kind === 'application') {\n          if (transceiver.protocol === 'DTLS/SCTP') { // legacy fmt\n            sdp += 'm=application 0 DTLS/SCTP 5000\\r\\n';\n          } else {\n            sdp += 'm=application 0 ' + transceiver.protocol +\n                ' webrtc-datachannel\\r\\n';\n          }\n        } else if (transceiver.kind === 'audio') {\n          sdp += 'm=audio 0 UDP/TLS/RTP/SAVPF 0\\r\\n' +\n              'a=rtpmap:0 PCMU/8000\\r\\n';\n        } else if (transceiver.kind === 'video') {\n          sdp += 'm=video 0 UDP/TLS/RTP/SAVPF 120\\r\\n' +\n              'a=rtpmap:120 VP8/90000\\r\\n';\n        }\n        sdp += 'c=IN IP4 0.0.0.0\\r\\n' +\n            'a=inactive\\r\\n' +\n            'a=mid:' + transceiver.mid + '\\r\\n';\n        return;\n      }\n\n      // FIXME: look at direction.\n      if (transceiver.stream) {\n        var localTrack;\n        if (transceiver.kind === 'audio') {\n          localTrack = transceiver.stream.getAudioTracks()[0];\n        } else if (transceiver.kind === 'video') {\n          localTrack = transceiver.stream.getVideoTracks()[0];\n        }\n        if (localTrack) {\n          // add RTX\n          if (edgeVersion >= 15019 && transceiver.kind === 'video' &&\n              !transceiver.sendEncodingParameters[0].rtx) {\n            transceiver.sendEncodingParameters[0].rtx = {\n              ssrc: transceiver.sendEncodingParameters[0].ssrc + 1\n            };\n          }\n        }\n      }\n\n      // Calculate intersection of capabilities.\n      var commonCapabilities = getCommonCapabilities(\n          transceiver.localCapabilities,\n          transceiver.remoteCapabilities);\n\n      var hasRtx = commonCapabilities.codecs.filter(function(c) {\n        return c.name.toLowerCase() === 'rtx';\n      }).length;\n      if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {\n        delete transceiver.sendEncodingParameters[0].rtx;\n      }\n\n      sdp += writeMediaSection(transceiver, commonCapabilities,\n          'answer', transceiver.stream, pc._dtlsRole);\n      if (transceiver.rtcpParameters &&\n          transceiver.rtcpParameters.reducedSize) {\n        sdp += 'a=rtcp-rsize\\r\\n';\n      }\n    });\n\n    var desc = new window.RTCSessionDescription({\n      type: 'answer',\n      sdp: sdp\n    });\n    return Promise.resolve(desc);\n  };\n\n  RTCPeerConnection.prototype.addIceCandidate = function(candidate) {\n    var pc = this;\n    var sections;\n    if (candidate && !(candidate.sdpMLineIndex !== undefined ||\n        candidate.sdpMid)) {\n      return Promise.reject(new TypeError('sdpMLineIndex or sdpMid required'));\n    }\n\n    // TODO: needs to go into ops queue.\n    return new Promise(function(resolve, reject) {\n      if (!pc._remoteDescription) {\n        return reject(makeError('InvalidStateError',\n            'Can not add ICE candidate without a remote description'));\n      } else if (!candidate || candidate.candidate === '') {\n        for (var j = 0; j < pc.transceivers.length; j++) {\n          if (pc.transceivers[j].rejected) {\n            continue;\n          }\n          pc.transceivers[j].iceTransport.addRemoteCandidate({});\n          sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);\n          sections[j] += 'a=end-of-candidates\\r\\n';\n          pc._remoteDescription.sdp =\n              SDPUtils.getDescription(pc._remoteDescription.sdp) +\n              sections.join('');\n          if (pc.usingBundle) {\n            break;\n          }\n        }\n      } else {\n        var sdpMLineIndex = candidate.sdpMLineIndex;\n        if (candidate.sdpMid) {\n          for (var i = 0; i < pc.transceivers.length; i++) {\n            if (pc.transceivers[i].mid === candidate.sdpMid) {\n              sdpMLineIndex = i;\n              break;\n            }\n          }\n        }\n        var transceiver = pc.transceivers[sdpMLineIndex];\n        if (transceiver) {\n          if (transceiver.rejected) {\n            return resolve();\n          }\n          var cand = Object.keys(candidate.candidate).length > 0 ?\n              SDPUtils.parseCandidate(candidate.candidate) : {};\n          // Ignore Chrome's invalid candidates since Edge does not like them.\n          if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {\n            return resolve();\n          }\n          // Ignore RTCP candidates, we assume RTCP-MUX.\n          if (cand.component && cand.component !== 1) {\n            return resolve();\n          }\n          // when using bundle, avoid adding candidates to the wrong\n          // ice transport. And avoid adding candidates added in the SDP.\n          if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&\n              transceiver.iceTransport !== pc.transceivers[0].iceTransport)) {\n            if (!maybeAddCandidate(transceiver.iceTransport, cand)) {\n              return reject(makeError('OperationError',\n                  'Can not add ICE candidate'));\n            }\n          }\n\n          // update the remoteDescription.\n          var candidateString = candidate.candidate.trim();\n          if (candidateString.indexOf('a=') === 0) {\n            candidateString = candidateString.substr(2);\n          }\n          sections = SDPUtils.getMediaSections(pc._remoteDescription.sdp);\n          sections[sdpMLineIndex] += 'a=' +\n              (cand.type ? candidateString : 'end-of-candidates')\n              + '\\r\\n';\n          pc._remoteDescription.sdp =\n              SDPUtils.getDescription(pc._remoteDescription.sdp) +\n              sections.join('');\n        } else {\n          return reject(makeError('OperationError',\n              'Can not add ICE candidate'));\n        }\n      }\n      resolve();\n    });\n  };\n\n  RTCPeerConnection.prototype.getStats = function(selector) {\n    if (selector && selector instanceof window.MediaStreamTrack) {\n      var senderOrReceiver = null;\n      this.transceivers.forEach(function(transceiver) {\n        if (transceiver.rtpSender &&\n            transceiver.rtpSender.track === selector) {\n          senderOrReceiver = transceiver.rtpSender;\n        } else if (transceiver.rtpReceiver &&\n            transceiver.rtpReceiver.track === selector) {\n          senderOrReceiver = transceiver.rtpReceiver;\n        }\n      });\n      if (!senderOrReceiver) {\n        throw makeError('InvalidAccessError', 'Invalid selector.');\n      }\n      return senderOrReceiver.getStats();\n    }\n\n    var promises = [];\n    this.transceivers.forEach(function(transceiver) {\n      ['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',\n          'dtlsTransport'].forEach(function(method) {\n            if (transceiver[method]) {\n              promises.push(transceiver[method].getStats());\n            }\n          });\n    });\n    return Promise.all(promises).then(function(allStats) {\n      var results = new Map();\n      allStats.forEach(function(stats) {\n        stats.forEach(function(stat) {\n          results.set(stat.id, stat);\n        });\n      });\n      return results;\n    });\n  };\n\n  // fix low-level stat names and return Map instead of object.\n  var ortcObjects = ['RTCRtpSender', 'RTCRtpReceiver', 'RTCIceGatherer',\n    'RTCIceTransport', 'RTCDtlsTransport'];\n  ortcObjects.forEach(function(ortcObjectName) {\n    var obj = window[ortcObjectName];\n    if (obj && obj.prototype && obj.prototype.getStats) {\n      var nativeGetstats = obj.prototype.getStats;\n      obj.prototype.getStats = function() {\n        return nativeGetstats.apply(this)\n        .then(function(nativeStats) {\n          var mapStats = new Map();\n          Object.keys(nativeStats).forEach(function(id) {\n            nativeStats[id].type = fixStatsType(nativeStats[id]);\n            mapStats.set(id, nativeStats[id]);\n          });\n          return mapStats;\n        });\n      };\n    }\n  });\n\n  // legacy callback shims. Should be moved to adapter.js some days.\n  var methods = ['createOffer', 'createAnswer'];\n  methods.forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[0] === 'function' ||\n          typeof args[1] === 'function') { // legacy\n        return nativeMethod.apply(this, [arguments[2]])\n        .then(function(description) {\n          if (typeof args[0] === 'function') {\n            args[0].apply(null, [description]);\n          }\n        }, function(error) {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null, [error]);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];\n  methods.forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[1] === 'function' ||\n          typeof args[2] === 'function') { // legacy\n        return nativeMethod.apply(this, arguments)\n        .then(function() {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null);\n          }\n        }, function(error) {\n          if (typeof args[2] === 'function') {\n            args[2].apply(null, [error]);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  // getStats is special. It doesn't have a spec legacy method yet we support\n  // getStats(something, cb) without error callbacks.\n  ['getStats'].forEach(function(method) {\n    var nativeMethod = RTCPeerConnection.prototype[method];\n    RTCPeerConnection.prototype[method] = function() {\n      var args = arguments;\n      if (typeof args[1] === 'function') {\n        return nativeMethod.apply(this, arguments)\n        .then(function() {\n          if (typeof args[1] === 'function') {\n            args[1].apply(null);\n          }\n        });\n      }\n      return nativeMethod.apply(this, arguments);\n    };\n  });\n\n  return RTCPeerConnection;\n};\n\n},{\"sdp\":17}],17:[function(require,module,exports){\n/* eslint-env node */\n'use strict';\n\n// SDP helpers.\nvar SDPUtils = {};\n\n// Generate an alphanumeric identifier for cname or mids.\n// TODO: use UUIDs instead? https://gist.github.com/jed/982883\nSDPUtils.generateIdentifier = function() {\n  return Math.random().toString(36).substr(2, 10);\n};\n\n// The RTCP CNAME used by all peerconnections from the same JS.\nSDPUtils.localCName = SDPUtils.generateIdentifier();\n\n// Splits SDP into lines, dealing with both CRLF and LF.\nSDPUtils.splitLines = function(blob) {\n  return blob.trim().split('\\n').map(function(line) {\n    return line.trim();\n  });\n};\n// Splits SDP into sessionpart and mediasections. Ensures CRLF.\nSDPUtils.splitSections = function(blob) {\n  var parts = blob.split('\\nm=');\n  return parts.map(function(part, index) {\n    return (index > 0 ? 'm=' + part : part).trim() + '\\r\\n';\n  });\n};\n\n// returns the session description.\nSDPUtils.getDescription = function(blob) {\n  var sections = SDPUtils.splitSections(blob);\n  return sections && sections[0];\n};\n\n// returns the individual media sections.\nSDPUtils.getMediaSections = function(blob) {\n  var sections = SDPUtils.splitSections(blob);\n  sections.shift();\n  return sections;\n};\n\n// Returns lines that start with a certain prefix.\nSDPUtils.matchPrefix = function(blob, prefix) {\n  return SDPUtils.splitLines(blob).filter(function(line) {\n    return line.indexOf(prefix) === 0;\n  });\n};\n\n// Parses an ICE candidate line. Sample input:\n// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8\n// rport 55996\"\nSDPUtils.parseCandidate = function(line) {\n  var parts;\n  // Parse both variants.\n  if (line.indexOf('a=candidate:') === 0) {\n    parts = line.substring(12).split(' ');\n  } else {\n    parts = line.substring(10).split(' ');\n  }\n\n  var candidate = {\n    foundation: parts[0],\n    component: parseInt(parts[1], 10),\n    protocol: parts[2].toLowerCase(),\n    priority: parseInt(parts[3], 10),\n    ip: parts[4],\n    address: parts[4], // address is an alias for ip.\n    port: parseInt(parts[5], 10),\n    // skip parts[6] == 'typ'\n    type: parts[7]\n  };\n\n  for (var i = 8; i < parts.length; i += 2) {\n    switch (parts[i]) {\n      case 'raddr':\n        candidate.relatedAddress = parts[i + 1];\n        break;\n      case 'rport':\n        candidate.relatedPort = parseInt(parts[i + 1], 10);\n        break;\n      case 'tcptype':\n        candidate.tcpType = parts[i + 1];\n        break;\n      case 'ufrag':\n        candidate.ufrag = parts[i + 1]; // for backward compability.\n        candidate.usernameFragment = parts[i + 1];\n        break;\n      default: // extension handling, in particular ufrag\n        candidate[parts[i]] = parts[i + 1];\n        break;\n    }\n  }\n  return candidate;\n};\n\n// Translates a candidate object into SDP candidate attribute.\nSDPUtils.writeCandidate = function(candidate) {\n  var sdp = [];\n  sdp.push(candidate.foundation);\n  sdp.push(candidate.component);\n  sdp.push(candidate.protocol.toUpperCase());\n  sdp.push(candidate.priority);\n  sdp.push(candidate.address || candidate.ip);\n  sdp.push(candidate.port);\n\n  var type = candidate.type;\n  sdp.push('typ');\n  sdp.push(type);\n  if (type !== 'host' && candidate.relatedAddress &&\n      candidate.relatedPort) {\n    sdp.push('raddr');\n    sdp.push(candidate.relatedAddress);\n    sdp.push('rport');\n    sdp.push(candidate.relatedPort);\n  }\n  if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {\n    sdp.push('tcptype');\n    sdp.push(candidate.tcpType);\n  }\n  if (candidate.usernameFragment || candidate.ufrag) {\n    sdp.push('ufrag');\n    sdp.push(candidate.usernameFragment || candidate.ufrag);\n  }\n  return 'candidate:' + sdp.join(' ');\n};\n\n// Parses an ice-options line, returns an array of option tags.\n// a=ice-options:foo bar\nSDPUtils.parseIceOptions = function(line) {\n  return line.substr(14).split(' ');\n};\n\n// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:\n// a=rtpmap:111 opus/48000/2\nSDPUtils.parseRtpMap = function(line) {\n  var parts = line.substr(9).split(' ');\n  var parsed = {\n    payloadType: parseInt(parts.shift(), 10) // was: id\n  };\n\n  parts = parts[0].split('/');\n\n  parsed.name = parts[0];\n  parsed.clockRate = parseInt(parts[1], 10); // was: clockrate\n  parsed.channels = parts.length === 3 ? parseInt(parts[2], 10) : 1;\n  // legacy alias, got renamed back to channels in ORTC.\n  parsed.numChannels = parsed.channels;\n  return parsed;\n};\n\n// Generate an a=rtpmap line from RTCRtpCodecCapability or\n// RTCRtpCodecParameters.\nSDPUtils.writeRtpMap = function(codec) {\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  var channels = codec.channels || codec.numChannels || 1;\n  return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +\n      (channels !== 1 ? '/' + channels : '') + '\\r\\n';\n};\n\n// Parses an a=extmap line (headerextension from RFC 5285). Sample input:\n// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset\n// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset\nSDPUtils.parseExtmap = function(line) {\n  var parts = line.substr(9).split(' ');\n  return {\n    id: parseInt(parts[0], 10),\n    direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',\n    uri: parts[1]\n  };\n};\n\n// Generates a=extmap line from RTCRtpHeaderExtensionParameters or\n// RTCRtpHeaderExtension.\nSDPUtils.writeExtmap = function(headerExtension) {\n  return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +\n      (headerExtension.direction && headerExtension.direction !== 'sendrecv'\n        ? '/' + headerExtension.direction\n        : '') +\n      ' ' + headerExtension.uri + '\\r\\n';\n};\n\n// Parses an ftmp line, returns dictionary. Sample input:\n// a=fmtp:96 vbr=on;cng=on\n// Also deals with vbr=on; cng=on\nSDPUtils.parseFmtp = function(line) {\n  var parsed = {};\n  var kv;\n  var parts = line.substr(line.indexOf(' ') + 1).split(';');\n  for (var j = 0; j < parts.length; j++) {\n    kv = parts[j].trim().split('=');\n    parsed[kv[0].trim()] = kv[1];\n  }\n  return parsed;\n};\n\n// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeFmtp = function(codec) {\n  var line = '';\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.parameters && Object.keys(codec.parameters).length) {\n    var params = [];\n    Object.keys(codec.parameters).forEach(function(param) {\n      if (codec.parameters[param]) {\n        params.push(param + '=' + codec.parameters[param]);\n      } else {\n        params.push(param);\n      }\n    });\n    line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\\r\\n';\n  }\n  return line;\n};\n\n// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:\n// a=rtcp-fb:98 nack rpsi\nSDPUtils.parseRtcpFb = function(line) {\n  var parts = line.substr(line.indexOf(' ') + 1).split(' ');\n  return {\n    type: parts.shift(),\n    parameter: parts.join(' ')\n  };\n};\n// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.\nSDPUtils.writeRtcpFb = function(codec) {\n  var lines = '';\n  var pt = codec.payloadType;\n  if (codec.preferredPayloadType !== undefined) {\n    pt = codec.preferredPayloadType;\n  }\n  if (codec.rtcpFeedback && codec.rtcpFeedback.length) {\n    // FIXME: special handling for trr-int?\n    codec.rtcpFeedback.forEach(function(fb) {\n      lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +\n      (fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +\n          '\\r\\n';\n    });\n  }\n  return lines;\n};\n\n// Parses an RFC 5576 ssrc media attribute. Sample input:\n// a=ssrc:3735928559 cname:something\nSDPUtils.parseSsrcMedia = function(line) {\n  var sp = line.indexOf(' ');\n  var parts = {\n    ssrc: parseInt(line.substr(7, sp - 7), 10)\n  };\n  var colon = line.indexOf(':', sp);\n  if (colon > -1) {\n    parts.attribute = line.substr(sp + 1, colon - sp - 1);\n    parts.value = line.substr(colon + 1);\n  } else {\n    parts.attribute = line.substr(sp + 1);\n  }\n  return parts;\n};\n\nSDPUtils.parseSsrcGroup = function(line) {\n  var parts = line.substr(13).split(' ');\n  return {\n    semantics: parts.shift(),\n    ssrcs: parts.map(function(ssrc) {\n      return parseInt(ssrc, 10);\n    })\n  };\n};\n\n// Extracts the MID (RFC 5888) from a media section.\n// returns the MID or undefined if no mid line was found.\nSDPUtils.getMid = function(mediaSection) {\n  var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];\n  if (mid) {\n    return mid.substr(6);\n  }\n};\n\nSDPUtils.parseFingerprint = function(line) {\n  var parts = line.substr(14).split(' ');\n  return {\n    algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.\n    value: parts[1]\n  };\n};\n\n// Extracts DTLS parameters from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the fingerprint line as input. See also getIceParameters.\nSDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {\n  var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,\n    'a=fingerprint:');\n  // Note: a=setup line is ignored since we use the 'auto' role.\n  // Note2: 'algorithm' is not case sensitive except in Edge.\n  return {\n    role: 'auto',\n    fingerprints: lines.map(SDPUtils.parseFingerprint)\n  };\n};\n\n// Serializes DTLS parameters to SDP.\nSDPUtils.writeDtlsParameters = function(params, setupType) {\n  var sdp = 'a=setup:' + setupType + '\\r\\n';\n  params.fingerprints.forEach(function(fp) {\n    sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\\r\\n';\n  });\n  return sdp;\n};\n// Parses ICE information from SDP media section or sessionpart.\n// FIXME: for consistency with other functions this should only\n//   get the ice-ufrag and ice-pwd lines as input.\nSDPUtils.getIceParameters = function(mediaSection, sessionpart) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  // Search in session part, too.\n  lines = lines.concat(SDPUtils.splitLines(sessionpart));\n  var iceParameters = {\n    usernameFragment: lines.filter(function(line) {\n      return line.indexOf('a=ice-ufrag:') === 0;\n    })[0].substr(12),\n    password: lines.filter(function(line) {\n      return line.indexOf('a=ice-pwd:') === 0;\n    })[0].substr(10)\n  };\n  return iceParameters;\n};\n\n// Serializes ICE parameters to SDP.\nSDPUtils.writeIceParameters = function(params) {\n  return 'a=ice-ufrag:' + params.usernameFragment + '\\r\\n' +\n      'a=ice-pwd:' + params.password + '\\r\\n';\n};\n\n// Parses the SDP media section and returns RTCRtpParameters.\nSDPUtils.parseRtpParameters = function(mediaSection) {\n  var description = {\n    codecs: [],\n    headerExtensions: [],\n    fecMechanisms: [],\n    rtcp: []\n  };\n  var lines = SDPUtils.splitLines(mediaSection);\n  var mline = lines[0].split(' ');\n  for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]\n    var pt = mline[i];\n    var rtpmapline = SDPUtils.matchPrefix(\n      mediaSection, 'a=rtpmap:' + pt + ' ')[0];\n    if (rtpmapline) {\n      var codec = SDPUtils.parseRtpMap(rtpmapline);\n      var fmtps = SDPUtils.matchPrefix(\n        mediaSection, 'a=fmtp:' + pt + ' ');\n      // Only the first a=fmtp:<pt> is considered.\n      codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};\n      codec.rtcpFeedback = SDPUtils.matchPrefix(\n        mediaSection, 'a=rtcp-fb:' + pt + ' ')\n        .map(SDPUtils.parseRtcpFb);\n      description.codecs.push(codec);\n      // parse FEC mechanisms from rtpmap lines.\n      switch (codec.name.toUpperCase()) {\n        case 'RED':\n        case 'ULPFEC':\n          description.fecMechanisms.push(codec.name.toUpperCase());\n          break;\n        default: // only RED and ULPFEC are recognized as FEC mechanisms.\n          break;\n      }\n    }\n  }\n  SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {\n    description.headerExtensions.push(SDPUtils.parseExtmap(line));\n  });\n  // FIXME: parse rtcp.\n  return description;\n};\n\n// Generates parts of the SDP media section describing the capabilities /\n// parameters.\nSDPUtils.writeRtpDescription = function(kind, caps) {\n  var sdp = '';\n\n  // Build the mline.\n  sdp += 'm=' + kind + ' ';\n  sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.\n  sdp += ' UDP/TLS/RTP/SAVPF ';\n  sdp += caps.codecs.map(function(codec) {\n    if (codec.preferredPayloadType !== undefined) {\n      return codec.preferredPayloadType;\n    }\n    return codec.payloadType;\n  }).join(' ') + '\\r\\n';\n\n  sdp += 'c=IN IP4 0.0.0.0\\r\\n';\n  sdp += 'a=rtcp:9 IN IP4 0.0.0.0\\r\\n';\n\n  // Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.\n  caps.codecs.forEach(function(codec) {\n    sdp += SDPUtils.writeRtpMap(codec);\n    sdp += SDPUtils.writeFmtp(codec);\n    sdp += SDPUtils.writeRtcpFb(codec);\n  });\n  var maxptime = 0;\n  caps.codecs.forEach(function(codec) {\n    if (codec.maxptime > maxptime) {\n      maxptime = codec.maxptime;\n    }\n  });\n  if (maxptime > 0) {\n    sdp += 'a=maxptime:' + maxptime + '\\r\\n';\n  }\n  sdp += 'a=rtcp-mux\\r\\n';\n\n  if (caps.headerExtensions) {\n    caps.headerExtensions.forEach(function(extension) {\n      sdp += SDPUtils.writeExtmap(extension);\n    });\n  }\n  // FIXME: write fecMechanisms.\n  return sdp;\n};\n\n// Parses the SDP media section and returns an array of\n// RTCRtpEncodingParameters.\nSDPUtils.parseRtpEncodingParameters = function(mediaSection) {\n  var encodingParameters = [];\n  var description = SDPUtils.parseRtpParameters(mediaSection);\n  var hasRed = description.fecMechanisms.indexOf('RED') !== -1;\n  var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;\n\n  // filter a=ssrc:... cname:, ignore PlanB-msid\n  var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(parts) {\n      return parts.attribute === 'cname';\n    });\n  var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;\n  var secondarySsrc;\n\n  var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')\n    .map(function(line) {\n      var parts = line.substr(17).split(' ');\n      return parts.map(function(part) {\n        return parseInt(part, 10);\n      });\n    });\n  if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {\n    secondarySsrc = flows[0][1];\n  }\n\n  description.codecs.forEach(function(codec) {\n    if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {\n      var encParam = {\n        ssrc: primarySsrc,\n        codecPayloadType: parseInt(codec.parameters.apt, 10)\n      };\n      if (primarySsrc && secondarySsrc) {\n        encParam.rtx = {ssrc: secondarySsrc};\n      }\n      encodingParameters.push(encParam);\n      if (hasRed) {\n        encParam = JSON.parse(JSON.stringify(encParam));\n        encParam.fec = {\n          ssrc: primarySsrc,\n          mechanism: hasUlpfec ? 'red+ulpfec' : 'red'\n        };\n        encodingParameters.push(encParam);\n      }\n    }\n  });\n  if (encodingParameters.length === 0 && primarySsrc) {\n    encodingParameters.push({\n      ssrc: primarySsrc\n    });\n  }\n\n  // we support both b=AS and b=TIAS but interpret AS as TIAS.\n  var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');\n  if (bandwidth.length) {\n    if (bandwidth[0].indexOf('b=TIAS:') === 0) {\n      bandwidth = parseInt(bandwidth[0].substr(7), 10);\n    } else if (bandwidth[0].indexOf('b=AS:') === 0) {\n      // use formula from JSEP to convert b=AS to TIAS value.\n      bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95\n          - (50 * 40 * 8);\n    } else {\n      bandwidth = undefined;\n    }\n    encodingParameters.forEach(function(params) {\n      params.maxBitrate = bandwidth;\n    });\n  }\n  return encodingParameters;\n};\n\n// parses http://draft.ortc.org/#rtcrtcpparameters*\nSDPUtils.parseRtcpParameters = function(mediaSection) {\n  var rtcpParameters = {};\n\n  // Gets the first SSRC. Note tha with RTX there might be multiple\n  // SSRCs.\n  var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(obj) {\n      return obj.attribute === 'cname';\n    })[0];\n  if (remoteSsrc) {\n    rtcpParameters.cname = remoteSsrc.value;\n    rtcpParameters.ssrc = remoteSsrc.ssrc;\n  }\n\n  // Edge uses the compound attribute instead of reducedSize\n  // compound is !reducedSize\n  var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');\n  rtcpParameters.reducedSize = rsize.length > 0;\n  rtcpParameters.compound = rsize.length === 0;\n\n  // parses the rtcp-mux attrіbute.\n  // Note that Edge does not support unmuxed RTCP.\n  var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');\n  rtcpParameters.mux = mux.length > 0;\n\n  return rtcpParameters;\n};\n\n// parses either a=msid: or a=ssrc:... msid lines and returns\n// the id of the MediaStream and MediaStreamTrack.\nSDPUtils.parseMsid = function(mediaSection) {\n  var parts;\n  var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');\n  if (spec.length === 1) {\n    parts = spec[0].substr(7).split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n  var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')\n    .map(function(line) {\n      return SDPUtils.parseSsrcMedia(line);\n    })\n    .filter(function(msidParts) {\n      return msidParts.attribute === 'msid';\n    });\n  if (planB.length > 0) {\n    parts = planB[0].value.split(' ');\n    return {stream: parts[0], track: parts[1]};\n  }\n};\n\n// SCTP\n// parses draft-ietf-mmusic-sctp-sdp-26 first and falls back\n// to draft-ietf-mmusic-sctp-sdp-05\nSDPUtils.parseSctpDescription = function(mediaSection) {\n  var mline = SDPUtils.parseMLine(mediaSection);\n  var maxSizeLine = SDPUtils.matchPrefix(mediaSection, 'a=max-message-size:');\n  var maxMessageSize;\n  if (maxSizeLine.length > 0) {\n    maxMessageSize = parseInt(maxSizeLine[0].substr(19), 10);\n  }\n  if (isNaN(maxMessageSize)) {\n    maxMessageSize = 65536;\n  }\n  var sctpPort = SDPUtils.matchPrefix(mediaSection, 'a=sctp-port:');\n  if (sctpPort.length > 0) {\n    return {\n      port: parseInt(sctpPort[0].substr(12), 10),\n      protocol: mline.fmt,\n      maxMessageSize: maxMessageSize\n    };\n  }\n  var sctpMapLines = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:');\n  if (sctpMapLines.length > 0) {\n    var parts = SDPUtils.matchPrefix(mediaSection, 'a=sctpmap:')[0]\n      .substr(10)\n      .split(' ');\n    return {\n      port: parseInt(parts[0], 10),\n      protocol: parts[1],\n      maxMessageSize: maxMessageSize\n    };\n  }\n};\n\n// SCTP\n// outputs the draft-ietf-mmusic-sctp-sdp-26 version that all browsers\n// support by now receiving in this format, unless we originally parsed\n// as the draft-ietf-mmusic-sctp-sdp-05 format (indicated by the m-line\n// protocol of DTLS/SCTP -- without UDP/ or TCP/)\nSDPUtils.writeSctpDescription = function(media, sctp) {\n  var output = [];\n  if (media.protocol !== 'DTLS/SCTP') {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.protocol + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctp-port:' + sctp.port + '\\r\\n'\n    ];\n  } else {\n    output = [\n      'm=' + media.kind + ' 9 ' + media.protocol + ' ' + sctp.port + '\\r\\n',\n      'c=IN IP4 0.0.0.0\\r\\n',\n      'a=sctpmap:' + sctp.port + ' ' + sctp.protocol + ' 65535\\r\\n'\n    ];\n  }\n  if (sctp.maxMessageSize !== undefined) {\n    output.push('a=max-message-size:' + sctp.maxMessageSize + '\\r\\n');\n  }\n  return output.join('');\n};\n\n// Generate a session ID for SDP.\n// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1\n// recommends using a cryptographically random +ve 64-bit value\n// but right now this should be acceptable and within the right range\nSDPUtils.generateSessionId = function() {\n  return Math.random().toString().substr(2, 21);\n};\n\n// Write boilder plate for start of SDP\n// sessId argument is optional - if not supplied it will\n// be generated randomly\n// sessVersion is optional and defaults to 2\n// sessUser is optional and defaults to 'thisisadapterortc'\nSDPUtils.writeSessionBoilerplate = function(sessId, sessVer, sessUser) {\n  var sessionId;\n  var version = sessVer !== undefined ? sessVer : 2;\n  if (sessId) {\n    sessionId = sessId;\n  } else {\n    sessionId = SDPUtils.generateSessionId();\n  }\n  var user = sessUser || 'thisisadapterortc';\n  // FIXME: sess-id should be an NTP timestamp.\n  return 'v=0\\r\\n' +\n      'o=' + user + ' ' + sessionId + ' ' + version +\n        ' IN IP4 127.0.0.1\\r\\n' +\n      's=-\\r\\n' +\n      't=0 0\\r\\n';\n};\n\nSDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {\n  var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);\n\n  // Map ICE parameters (ufrag, pwd) to SDP.\n  sdp += SDPUtils.writeIceParameters(\n    transceiver.iceGatherer.getLocalParameters());\n\n  // Map DTLS parameters to SDP.\n  sdp += SDPUtils.writeDtlsParameters(\n    transceiver.dtlsTransport.getLocalParameters(),\n    type === 'offer' ? 'actpass' : 'active');\n\n  sdp += 'a=mid:' + transceiver.mid + '\\r\\n';\n\n  if (transceiver.direction) {\n    sdp += 'a=' + transceiver.direction + '\\r\\n';\n  } else if (transceiver.rtpSender && transceiver.rtpReceiver) {\n    sdp += 'a=sendrecv\\r\\n';\n  } else if (transceiver.rtpSender) {\n    sdp += 'a=sendonly\\r\\n';\n  } else if (transceiver.rtpReceiver) {\n    sdp += 'a=recvonly\\r\\n';\n  } else {\n    sdp += 'a=inactive\\r\\n';\n  }\n\n  if (transceiver.rtpSender) {\n    // spec.\n    var msid = 'msid:' + stream.id + ' ' +\n        transceiver.rtpSender.track.id + '\\r\\n';\n    sdp += 'a=' + msid;\n\n    // for Chrome.\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n        ' ' + msid;\n    if (transceiver.sendEncodingParameters[0].rtx) {\n      sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n          ' ' + msid;\n      sdp += 'a=ssrc-group:FID ' +\n          transceiver.sendEncodingParameters[0].ssrc + ' ' +\n          transceiver.sendEncodingParameters[0].rtx.ssrc +\n          '\\r\\n';\n    }\n  }\n  // FIXME: this should be written by writeRtpDescription.\n  sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +\n      ' cname:' + SDPUtils.localCName + '\\r\\n';\n  if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {\n    sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +\n        ' cname:' + SDPUtils.localCName + '\\r\\n';\n  }\n  return sdp;\n};\n\n// Gets the direction from the mediaSection or the sessionpart.\nSDPUtils.getDirection = function(mediaSection, sessionpart) {\n  // Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.\n  var lines = SDPUtils.splitLines(mediaSection);\n  for (var i = 0; i < lines.length; i++) {\n    switch (lines[i]) {\n      case 'a=sendrecv':\n      case 'a=sendonly':\n      case 'a=recvonly':\n      case 'a=inactive':\n        return lines[i].substr(2);\n      default:\n        // FIXME: What should happen here?\n    }\n  }\n  if (sessionpart) {\n    return SDPUtils.getDirection(sessionpart);\n  }\n  return 'sendrecv';\n};\n\nSDPUtils.getKind = function(mediaSection) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  var mline = lines[0].split(' ');\n  return mline[0].substr(2);\n};\n\nSDPUtils.isRejected = function(mediaSection) {\n  return mediaSection.split(' ', 2)[1] === '0';\n};\n\nSDPUtils.parseMLine = function(mediaSection) {\n  var lines = SDPUtils.splitLines(mediaSection);\n  var parts = lines[0].substr(2).split(' ');\n  return {\n    kind: parts[0],\n    port: parseInt(parts[1], 10),\n    protocol: parts[2],\n    fmt: parts.slice(3).join(' ')\n  };\n};\n\nSDPUtils.parseOLine = function(mediaSection) {\n  var line = SDPUtils.matchPrefix(mediaSection, 'o=')[0];\n  var parts = line.substr(2).split(' ');\n  return {\n    username: parts[0],\n    sessionId: parts[1],\n    sessionVersion: parseInt(parts[2], 10),\n    netType: parts[3],\n    addressType: parts[4],\n    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\ No newline at end of file
diff --git a/lib/amd/build/addblockmodal.min.js b/lib/amd/build/addblockmodal.min.js
index 350c0056473..2889786b753 100644
--- a/lib/amd/build/addblockmodal.min.js
+++ b/lib/amd/build/addblockmodal.min.js
@@ -1,2 +1,12 @@
-define ("core/addblockmodal",["jquery","core/modal_factory","core/templates","core/str","core/notification"],function(a,b,c,d,e){return{init:function init(f){var g=a("[data-key=addblock]"),h=f.blocks.map(function(a){return{key:"pluginname",component:"block_"+a}}),i=d.get_strings(h).then(function(a){return a.map(function(a,b){return{name:f.blocks[b],title:a}})}).then(function(a){f.blocks=a;return c.render("core/add_block_body",f)}).fail(e.exception),j=d.get_string("addblock").fail(e.exception);b.create({title:j,body:i,type:"CANCEL"},g)}}});
-//# sourceMappingURL=addblockmodal.min.js.map
+/**
+ * Show an add block modal instead of doing it on a separate page.
+ *
+ * @module     core/addblockmodal
+ * @class      addblockmodal
+ * @package    core
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/addblockmodal",["jquery","core/modal_factory","core/templates","core/str","core/notification"],(function($,ModalFactory,Templates,Str,Notification){return{init:function(context){var addblocklink=$("[data-key=addblock]"),titlerequests=context.blocks.map((function(blockName){return{key:"pluginname",component:"block_"+blockName}})),bodyPromise=Str.get_strings(titlerequests).then((function(titles){return titles.map((function(title,index){return{name:context.blocks[index],title:title}}))})).then((function(blocks){return context.blocks=blocks,Templates.render("core/add_block_body",context)})).fail(Notification.exception),titlePromise=Str.get_string("addblock").fail(Notification.exception);ModalFactory.create({title:titlePromise,body:bodyPromise,type:"CANCEL"},addblocklink)}}}));
+
+//# sourceMappingURL=addblockmodal.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/addblockmodal.min.js.map b/lib/amd/build/addblockmodal.min.js.map
index 839aaa57792..468a476145f 100644
--- a/lib/amd/build/addblockmodal.min.js.map
+++ b/lib/amd/build/addblockmodal.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"addblockmodal.min.js","sources":["../src/addblockmodal.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Show an add block modal instead of doing it on a separate page.\n *\n * @module     core/addblockmodal\n * @class      addblockmodal\n * @package    core\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/modal_factory', 'core/templates', 'core/str', 'core/notification'],\n       function($, ModalFactory, Templates, Str, Notification) {\n\n\n    return /** @alias module:core/addblockmodal */ {\n        /**\n         * Global init function for this module.\n         *\n         * @method init\n         * @param {Object} context The template context for rendering this modal body.\n         */\n        init: function(context) {\n            var addblocklink = $('[data-key=addblock]');\n\n            // We need the fetch the names of the blocks. It was too much to send in the page.\n            var titlerequests = context.blocks.map(function(blockName) {\n                return {\n                    key: 'pluginname',\n                    component: 'block_' + blockName,\n                };\n            });\n\n            var bodyPromise = Str.get_strings(titlerequests)\n            .then(function(titles) {\n                return titles.map(function(title, index) {\n                    return {\n                        name: context.blocks[index],\n                        title: title,\n                    };\n                });\n            })\n            .then(function(blocks) {\n                context.blocks = blocks;\n                return Templates.render('core/add_block_body', context);\n            })\n            .fail(Notification.exception);\n\n            var titlePromise = Str.get_string('addblock')\n            .fail(Notification.exception);\n\n            ModalFactory.create({\n                title: titlePromise,\n                body: bodyPromise,\n                type: 'CANCEL',\n            }, addblocklink);\n        }\n    };\n});\n"],"names":["define","$","ModalFactory","Templates","Str","Notification","init","context","addblocklink","titlerequests","blocks","map","blockName","key","component","bodyPromise","get_strings","then","titles","title","index","name","render","fail","exception","titlePromise","get_string","create","body","type"],"mappings":";;;;;;;;;AAwBAA,4BAAO,CAAC,SAAU,qBAAsB,iBAAkB,WAAY,sBAC/D,SAASC,EAAGC,aAAcC,UAAWC,IAAKC,oBAGE,CAO3CC,KAAM,SAASC,aACPC,aAAeP,EAAE,uBAGjBQ,cAAgBF,QAAQG,OAAOC,KAAI,SAASC,iBACrC,CACHC,IAAK,aACLC,UAAW,SAAWF,cAI1BG,YAAcX,IAAIY,YAAYP,eACjCQ,MAAK,SAASC,eACJA,OAAOP,KAAI,SAASQ,MAAOC,aACvB,CACHC,KAAMd,QAAQG,OAAOU,OACrBD,MAAOA,aAIlBF,MAAK,SAASP,eACXH,QAAQG,OAASA,OACVP,UAAUmB,OAAO,sBAAuBf,YAElDgB,KAAKlB,aAAamB,WAEfC,aAAerB,IAAIsB,WAAW,YACjCH,KAAKlB,aAAamB,WAEnBtB,aAAayB,OAAO,CAChBR,MAAOM,aACPG,KAAMb,YACNc,KAAM,UACPrB"}
\ No newline at end of file
diff --git a/lib/amd/build/ajax.min.js b/lib/amd/build/ajax.min.js
index 5d62f2a946a..490f6b07ea9 100644
--- a/lib/amd/build/ajax.min.js
+++ b/lib/amd/build/ajax.min.js
@@ -1,2 +1,15 @@
-define ("core/ajax",["jquery","core/config","core/log","core/url"],function(a,b,c,d){var e=!1,f=function(a){var b=this,c=null,e=0,f,g,h;if(a.error){for(;e<b.length;e++){f=b[e];f.deferred.reject(a)}return}for(e=0;e<b.length;e++){f=b[e];g=a[e];if("undefined"!=typeof g){if(!1===g.error){f.deferred.resolve(g.data)}else{c=g.exception;h=b[e].nosessionupdate;break}}else{c=new Error("missing response");break}}if(null!==c){if("servicerequireslogin"===c.errorcode&&!h){window.location=d.relativeUrl("/login/index.php")}else{b.forEach(function(a){a.deferred.reject(c)})}}},g=function(a,b,d){var f=this,g=0;for(g=0;g<f.length;g++){var h=f[g];if(e){c.error("Page unloaded.");c.error(d)}else{h.deferred.reject(d)}}};return{call:function call(c,d,h,j,k,l){a(window).bind("beforeunload",function(){e=!0});var m=[],n,o=[],p=[],q="";if("undefined"==typeof h){h=!0}if("undefined"==typeof d){d=!0}if("undefined"==typeof k){k=0}if("undefined"==typeof l){l=null}else{l=parseInt(l);if(0>=l){l=null}else if(!l){l=null}}if("undefined"==typeof j){j=!1}for(n=0;n<c.length;n++){var r=c[n];m.push({index:n,methodname:r.methodname,args:r.args});r.nosessionupdate=j;r.deferred=a.Deferred();o.push(r.deferred.promise());if("undefined"!=typeof r.done){r.deferred.done(r.done)}if("undefined"!=typeof r.fail){r.deferred.fail(r.fail)}r.index=n;p.push(r.methodname)}if(5>=p.length){q=p.sort().join()}else{q=p.length+"-method-calls"}m=JSON.stringify(m);var s={type:"POST",context:c,dataType:"json",processData:!1,async:d,contentType:"application/json",timeout:k},t="service.php",u=b.wwwroot+"/lib/ajax/";if(!h){t="service-nologin.php";u+=t+"?info="+q;if(l){u+="&cachekey="+l;s.type="GET"}}else{u+=t+"?sesskey="+b.sesskey+"&info="+q}if(j){u+="&nosessionupdate=true"}if("POST"===s.type){s.data=m}else{var v=u+"&args="+encodeURIComponent(m);if(v.length>2e3){s.type="POST";s.data=m}else{u=v}}if(d){a.ajax(u,s).done(f).fail(g)}else{s.success=f;s.error=g;a.ajax(u,s)}return o}}});
-//# sourceMappingURL=ajax.min.js.map
+/**
+ * Standard Ajax wrapper for Moodle. It calls the central Ajax script,
+ * which can call any existing webservice using the current session.
+ * In addition, it can batch multiple requests and return multiple responses.
+ *
+ * @module     core/ajax
+ * @class      ajax
+ * @package    core
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      2.9
+ */
+define("core/ajax",["jquery","core/config","core/log","core/url"],(function($,config,Log,URL){var unloading=!1,requestSuccess=function(responses){var request,response,nosessionupdate,exception=null,i=0;if(responses.error)for(;i<this.length;i++)(request=this[i]).deferred.reject(responses);else{for(i=0;i<this.length;i++){if(request=this[i],void 0===(response=responses[i])){exception=new Error("missing response");break}if(!1!==response.error){exception=response.exception,nosessionupdate=this[i].nosessionupdate;break}request.deferred.resolve(response.data)}null!==exception&&("servicerequireslogin"!==exception.errorcode||nosessionupdate?this.forEach((function(request){request.deferred.reject(exception)})):window.location=URL.relativeUrl("/login/index.php"))}},requestFail=function(jqXHR,textStatus,exception){var i=0;for(i=0;i<this.length;i++){var request=this[i];unloading?(Log.error("Page unloaded."),Log.error(exception)):request.deferred.reject(exception)}};return{call:function(requests,async,loginrequired,nosessionupdate,timeout,cachekey){$(window).bind("beforeunload",(function(){unloading=!0}));var i,ajaxRequestData=[],promises=[],methodInfo=[],requestInfo="";for(void 0===loginrequired&&(loginrequired=!0),void 0===async&&(async=!0),void 0===timeout&&(timeout=0),void 0===cachekey||(cachekey=parseInt(cachekey))<=0?cachekey=null:cachekey||(cachekey=null),void 0===nosessionupdate&&(nosessionupdate=!1),i=0;i<requests.length;i++){var request=requests[i];ajaxRequestData.push({index:i,methodname:request.methodname,args:request.args}),request.nosessionupdate=nosessionupdate,request.deferred=$.Deferred(),promises.push(request.deferred.promise()),void 0!==request.done&&request.deferred.done(request.done),void 0!==request.fail&&request.deferred.fail(request.fail),request.index=i,methodInfo.push(request.methodname)}requestInfo=methodInfo.length<=5?methodInfo.sort().join():methodInfo.length+"-method-calls",ajaxRequestData=JSON.stringify(ajaxRequestData);var settings={type:"POST",context:requests,dataType:"json",processData:!1,async:async,contentType:"application/json",timeout:timeout},script="service.php",url=config.wwwroot+"/lib/ajax/";if(loginrequired?url+=script+"?sesskey="+config.sesskey+"&info="+requestInfo:(url+=(script="service-nologin.php")+"?info="+requestInfo,cachekey&&(url+="&cachekey="+cachekey,settings.type="GET")),nosessionupdate&&(url+="&nosessionupdate=true"),"POST"===settings.type)settings.data=ajaxRequestData;else{var urlUseGet=url+"&args="+encodeURIComponent(ajaxRequestData);urlUseGet.length>2e3?(settings.type="POST",settings.data=ajaxRequestData):url=urlUseGet}return async?$.ajax(url,settings).done(requestSuccess).fail(requestFail):(settings.success=requestSuccess,settings.error=requestFail,$.ajax(url,settings)),promises}}}));
+
+//# sourceMappingURL=ajax.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/ajax.min.js.map b/lib/amd/build/ajax.min.js.map
index c16a4d54cb7..22864cf59ec 100644
--- a/lib/amd/build/ajax.min.js.map
+++ b/lib/amd/build/ajax.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Standard Ajax wrapper for Moodle. It calls the central Ajax script,\n * which can call any existing webservice using the current session.\n * In addition, it can batch multiple requests and return multiple responses.\n *\n * @module     core/ajax\n * @class      ajax\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(['jquery', 'core/config', 'core/log', 'core/url'], function($, config, Log, URL) {\n\n    // Keeps track of when the user leaves the page so we know not to show an error.\n    var unloading = false;\n\n    /**\n     * Success handler. Called when the ajax call succeeds. Checks each response and\n     * resolves or rejects the deferred from that request.\n     *\n     * @method requestSuccess\n     * @private\n     * @param {Object[]} responses Array of responses containing error, exception and data attributes.\n     */\n    var requestSuccess = function(responses) {\n        // Call each of the success handlers.\n        var requests = this,\n            exception = null,\n            i = 0,\n            request,\n            response,\n            nosessionupdate;\n\n        if (responses.error) {\n            // There was an error with the request as a whole.\n            // We need to reject each promise.\n            // Unfortunately this may lead to duplicate dialogues, but each Promise must be rejected.\n            for (; i < requests.length; i++) {\n                request = requests[i];\n                request.deferred.reject(responses);\n            }\n\n            return;\n        }\n\n        for (i = 0; i < requests.length; i++) {\n            request = requests[i];\n\n            response = responses[i];\n            // We may not have responses for all the requests.\n            if (typeof response !== \"undefined\") {\n                if (response.error === false) {\n                    // Call the done handler if it was provided.\n                    request.deferred.resolve(response.data);\n                } else {\n                    exception = response.exception;\n                    nosessionupdate = requests[i].nosessionupdate;\n                    break;\n                }\n            } else {\n                // This is not an expected case.\n                exception = new Error('missing response');\n                break;\n            }\n        }\n        // Something failed, reject the remaining promises.\n        if (exception !== null) {\n            // Redirect to the login page.\n            if (exception.errorcode === \"servicerequireslogin\" && !nosessionupdate) {\n                window.location = URL.relativeUrl(\"/login/index.php\");\n            } else {\n                requests.forEach(function(request) {\n                    request.deferred.reject(exception);\n                });\n            }\n        }\n    };\n\n    /**\n     * Fail handler. Called when the ajax call fails. Rejects all deferreds.\n     *\n     * @method requestFail\n     * @private\n     * @param {jqXHR} jqXHR The ajax object.\n     * @param {string} textStatus The status string.\n     * @param {Error|Object} exception The error thrown.\n     */\n    var requestFail = function(jqXHR, textStatus, exception) {\n        // Reject all the promises.\n        var requests = this;\n\n        var i = 0;\n        for (i = 0; i < requests.length; i++) {\n            var request = requests[i];\n\n            if (unloading) {\n                // No need to trigger an error because we are already navigating.\n                Log.error(\"Page unloaded.\");\n                Log.error(exception);\n            } else {\n                request.deferred.reject(exception);\n            }\n        }\n    };\n\n    return /** @alias module:core/ajax */ {\n        // Public variables and functions.\n        /**\n         * Make a series of ajax requests and return all the responses.\n         *\n         * @method call\n         * @param {Object[]} requests Array of requests with each containing methodname and args properties.\n         *                   done and fail callbacks can be set for each element in the array, or the\n         *                   can be attached to the promises returned by this function.\n         * @param {Boolean} async Optional, defaults to true.\n         *                  If false - this function will not return until the promises are resolved.\n         * @param {Boolean} loginrequired Optional, defaults to true.\n         *                  If false - this function will call the faster nologin ajax script - but\n         *                  will fail unless all functions have been marked as 'loginrequired' => false\n         *                  in services.php\n         * @param {Boolean} nosessionupdate Optional, defaults to false.\n         *                  If true, the timemodified for the session will not be updated.\n         * @param {Integer} timeout number of milliseconds to wait for a response. Defaults to no limit.\n         * @param {Integer} cachekey This is used in order to identify the request. If this id changes then we\n         *                  will be sending a different URL and any caching (eg. browser, proxy) knows that it\n         *                  should perform another request and not use the cache. Note - this variable is only\n         *                  used when we are calling 'service-nologin.php'. See MDL-65794.\n         * @return {Promise[]} Array of promises that will be resolved when the ajax call returns.\n         */\n        call: function(requests, async, loginrequired, nosessionupdate, timeout, cachekey) {\n            $(window).bind('beforeunload', function() {\n                unloading = true;\n            });\n            var ajaxRequestData = [],\n                i,\n                promises = [],\n                methodInfo = [],\n                requestInfo = '';\n\n            var maxUrlLength = 2000;\n\n            if (typeof loginrequired === \"undefined\") {\n                loginrequired = true;\n            }\n            if (typeof async === \"undefined\") {\n                async = true;\n            }\n            if (typeof timeout === 'undefined') {\n                timeout = 0;\n            }\n            if (typeof cachekey === 'undefined') {\n                cachekey = null;\n            } else {\n                cachekey = parseInt(cachekey);\n                if (cachekey <= 0) {\n                    cachekey = null;\n                } else if (!cachekey) {\n                    cachekey = null;\n                }\n            }\n\n            if (typeof nosessionupdate === \"undefined\") {\n                nosessionupdate = false;\n            }\n            for (i = 0; i < requests.length; i++) {\n                var request = requests[i];\n                ajaxRequestData.push({\n                    index: i,\n                    methodname: request.methodname,\n                    args: request.args\n                });\n                request.nosessionupdate = nosessionupdate;\n                request.deferred = $.Deferred();\n                promises.push(request.deferred.promise());\n                // Allow setting done and fail handlers as arguments.\n                // This is just a shortcut for the calling code.\n                if (typeof request.done !== \"undefined\") {\n                    request.deferred.done(request.done);\n                }\n                if (typeof request.fail !== \"undefined\") {\n                    request.deferred.fail(request.fail);\n                }\n                request.index = i;\n                methodInfo.push(request.methodname);\n            }\n\n            if (methodInfo.length <= 5) {\n                requestInfo = methodInfo.sort().join();\n            } else {\n                requestInfo = methodInfo.length + '-method-calls';\n            }\n\n            ajaxRequestData = JSON.stringify(ajaxRequestData);\n            var settings = {\n                type: 'POST',\n                context: requests,\n                dataType: 'json',\n                processData: false,\n                async: async,\n                contentType: \"application/json\",\n                timeout: timeout\n            };\n\n            var script = 'service.php';\n            var url = config.wwwroot + '/lib/ajax/';\n            if (!loginrequired) {\n                script = 'service-nologin.php';\n                url += script + '?info=' + requestInfo;\n                if (cachekey) {\n                    url += '&cachekey=' + cachekey;\n                    settings.type = 'GET';\n                }\n            } else {\n                url += script + '?sesskey=' + config.sesskey + '&info=' + requestInfo;\n            }\n\n            if (nosessionupdate) {\n                url += '&nosessionupdate=true';\n            }\n\n            if (settings.type === 'POST') {\n                settings.data = ajaxRequestData;\n            } else {\n                var urlUseGet = url + '&args=' + encodeURIComponent(ajaxRequestData);\n\n                if (urlUseGet.length > maxUrlLength) {\n                    settings.type = 'POST';\n                    settings.data = ajaxRequestData;\n                } else {\n                    url = urlUseGet;\n                }\n            }\n\n            // Jquery deprecated done and fail with async=false so we need to do this 2 ways.\n            if (async) {\n                $.ajax(url, settings)\n                    .done(requestSuccess)\n                    .fail(requestFail);\n            } else {\n                settings.success = requestSuccess;\n                settings.error = requestFail;\n                $.ajax(url, settings);\n            }\n\n            return promises;\n        }\n    };\n});\n"],"file":"ajax.min.js"}
\ No newline at end of file
+{"version":3,"file":"ajax.min.js","sources":["../src/ajax.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Standard Ajax wrapper for Moodle. It calls the central Ajax script,\n * which can call any existing webservice using the current session.\n * In addition, it can batch multiple requests and return multiple responses.\n *\n * @module     core/ajax\n * @class      ajax\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(['jquery', 'core/config', 'core/log', 'core/url'], function($, config, Log, URL) {\n\n    // Keeps track of when the user leaves the page so we know not to show an error.\n    var unloading = false;\n\n    /**\n     * Success handler. Called when the ajax call succeeds. Checks each response and\n     * resolves or rejects the deferred from that request.\n     *\n     * @method requestSuccess\n     * @private\n     * @param {Object[]} responses Array of responses containing error, exception and data attributes.\n     */\n    var requestSuccess = function(responses) {\n        // Call each of the success handlers.\n        var requests = this,\n            exception = null,\n            i = 0,\n            request,\n            response,\n            nosessionupdate;\n\n        if (responses.error) {\n            // There was an error with the request as a whole.\n            // We need to reject each promise.\n            // Unfortunately this may lead to duplicate dialogues, but each Promise must be rejected.\n            for (; i < requests.length; i++) {\n                request = requests[i];\n                request.deferred.reject(responses);\n            }\n\n            return;\n        }\n\n        for (i = 0; i < requests.length; i++) {\n            request = requests[i];\n\n            response = responses[i];\n            // We may not have responses for all the requests.\n            if (typeof response !== \"undefined\") {\n                if (response.error === false) {\n                    // Call the done handler if it was provided.\n                    request.deferred.resolve(response.data);\n                } else {\n                    exception = response.exception;\n                    nosessionupdate = requests[i].nosessionupdate;\n                    break;\n                }\n            } else {\n                // This is not an expected case.\n                exception = new Error('missing response');\n                break;\n            }\n        }\n        // Something failed, reject the remaining promises.\n        if (exception !== null) {\n            // Redirect to the login page.\n            if (exception.errorcode === \"servicerequireslogin\" && !nosessionupdate) {\n                window.location = URL.relativeUrl(\"/login/index.php\");\n            } else {\n                requests.forEach(function(request) {\n                    request.deferred.reject(exception);\n                });\n            }\n        }\n    };\n\n    /**\n     * Fail handler. Called when the ajax call fails. Rejects all deferreds.\n     *\n     * @method requestFail\n     * @private\n     * @param {jqXHR} jqXHR The ajax object.\n     * @param {string} textStatus The status string.\n     * @param {Error|Object} exception The error thrown.\n     */\n    var requestFail = function(jqXHR, textStatus, exception) {\n        // Reject all the promises.\n        var requests = this;\n\n        var i = 0;\n        for (i = 0; i < requests.length; i++) {\n            var request = requests[i];\n\n            if (unloading) {\n                // No need to trigger an error because we are already navigating.\n                Log.error(\"Page unloaded.\");\n                Log.error(exception);\n            } else {\n                request.deferred.reject(exception);\n            }\n        }\n    };\n\n    return /** @alias module:core/ajax */ {\n        // Public variables and functions.\n        /**\n         * Make a series of ajax requests and return all the responses.\n         *\n         * @method call\n         * @param {Object[]} requests Array of requests with each containing methodname and args properties.\n         *                   done and fail callbacks can be set for each element in the array, or the\n         *                   can be attached to the promises returned by this function.\n         * @param {Boolean} async Optional, defaults to true.\n         *                  If false - this function will not return until the promises are resolved.\n         * @param {Boolean} loginrequired Optional, defaults to true.\n         *                  If false - this function will call the faster nologin ajax script - but\n         *                  will fail unless all functions have been marked as 'loginrequired' => false\n         *                  in services.php\n         * @param {Boolean} nosessionupdate Optional, defaults to false.\n         *                  If true, the timemodified for the session will not be updated.\n         * @param {Integer} timeout number of milliseconds to wait for a response. Defaults to no limit.\n         * @param {Integer} cachekey This is used in order to identify the request. If this id changes then we\n         *                  will be sending a different URL and any caching (eg. browser, proxy) knows that it\n         *                  should perform another request and not use the cache. Note - this variable is only\n         *                  used when we are calling 'service-nologin.php'. See MDL-65794.\n         * @return {Promise[]} Array of promises that will be resolved when the ajax call returns.\n         */\n        call: function(requests, async, loginrequired, nosessionupdate, timeout, cachekey) {\n            $(window).bind('beforeunload', function() {\n                unloading = true;\n            });\n            var ajaxRequestData = [],\n                i,\n                promises = [],\n                methodInfo = [],\n                requestInfo = '';\n\n            var maxUrlLength = 2000;\n\n            if (typeof loginrequired === \"undefined\") {\n                loginrequired = true;\n            }\n            if (typeof async === \"undefined\") {\n                async = true;\n            }\n            if (typeof timeout === 'undefined') {\n                timeout = 0;\n            }\n            if (typeof cachekey === 'undefined') {\n                cachekey = null;\n            } else {\n                cachekey = parseInt(cachekey);\n                if (cachekey <= 0) {\n                    cachekey = null;\n                } else if (!cachekey) {\n                    cachekey = null;\n                }\n            }\n\n            if (typeof nosessionupdate === \"undefined\") {\n                nosessionupdate = false;\n            }\n            for (i = 0; i < requests.length; i++) {\n                var request = requests[i];\n                ajaxRequestData.push({\n                    index: i,\n                    methodname: request.methodname,\n                    args: request.args\n                });\n                request.nosessionupdate = nosessionupdate;\n                request.deferred = $.Deferred();\n                promises.push(request.deferred.promise());\n                // Allow setting done and fail handlers as arguments.\n                // This is just a shortcut for the calling code.\n                if (typeof request.done !== \"undefined\") {\n                    request.deferred.done(request.done);\n                }\n                if (typeof request.fail !== \"undefined\") {\n                    request.deferred.fail(request.fail);\n                }\n                request.index = i;\n                methodInfo.push(request.methodname);\n            }\n\n            if (methodInfo.length <= 5) {\n                requestInfo = methodInfo.sort().join();\n            } else {\n                requestInfo = methodInfo.length + '-method-calls';\n            }\n\n            ajaxRequestData = JSON.stringify(ajaxRequestData);\n            var settings = {\n                type: 'POST',\n                context: requests,\n                dataType: 'json',\n                processData: false,\n                async: async,\n                contentType: \"application/json\",\n                timeout: timeout\n            };\n\n            var script = 'service.php';\n            var url = config.wwwroot + '/lib/ajax/';\n            if (!loginrequired) {\n                script = 'service-nologin.php';\n                url += script + '?info=' + requestInfo;\n                if (cachekey) {\n                    url += '&cachekey=' + cachekey;\n                    settings.type = 'GET';\n                }\n            } else {\n                url += script + '?sesskey=' + config.sesskey + '&info=' + requestInfo;\n            }\n\n            if (nosessionupdate) {\n                url += '&nosessionupdate=true';\n            }\n\n            if (settings.type === 'POST') {\n                settings.data = ajaxRequestData;\n            } else {\n                var urlUseGet = url + '&args=' + encodeURIComponent(ajaxRequestData);\n\n                if (urlUseGet.length > maxUrlLength) {\n                    settings.type = 'POST';\n                    settings.data = ajaxRequestData;\n                } else {\n                    url = urlUseGet;\n                }\n            }\n\n            // Jquery deprecated done and fail with async=false so we need to do this 2 ways.\n            if (async) {\n                $.ajax(url, settings)\n                    .done(requestSuccess)\n                    .fail(requestFail);\n            } else {\n                settings.success = requestSuccess;\n                settings.error = requestFail;\n                $.ajax(url, settings);\n            }\n\n            return promises;\n        }\n    };\n});\n"],"names":["define","$","config","Log","URL","unloading","requestSuccess","responses","request","response","nosessionupdate","exception","i","error","this","length","deferred","reject","Error","resolve","data","errorcode","forEach","window","location","relativeUrl","requestFail","jqXHR","textStatus","call","requests","async","loginrequired","timeout","cachekey","bind","ajaxRequestData","promises","methodInfo","requestInfo","parseInt","push","index","methodname","args","Deferred","promise","done","fail","sort","join","JSON","stringify","settings","type","context","dataType","processData","contentType","script","url","wwwroot","sesskey","urlUseGet","encodeURIComponent","ajax","success"],"mappings":";;;;;;;;;;;;AA2BAA,mBAAO,CAAC,SAAU,cAAe,WAAY,aAAa,SAASC,EAAGC,OAAQC,IAAKC,SAG3EC,WAAY,EAUZC,eAAiB,SAASC,eAKtBC,QACAC,SACAC,gBAJAC,UAAY,KACZC,EAAI,KAKJL,UAAUM,WAIHD,EAXIE,KAWSC,OAAQH,KACxBJ,QAZOM,KAYYF,IACXI,SAASC,OAAOV,oBAM3BK,EAAI,EAAGA,EAnBGE,KAmBUC,OAAQH,IAAK,IAClCJ,QApBWM,KAoBQF,QAIK,KAFxBH,SAAWF,UAAUK,IAWd,CAEHD,UAAY,IAAIO,MAAM,8BAVC,IAAnBT,SAASI,MAGN,CACHF,UAAYF,SAASE,UACrBD,gBA9BGI,KA8BwBF,GAAGF,sBAH9BF,QAAQQ,SAASG,QAAQV,SAASW,MAa5B,OAAdT,YAE4B,yBAAxBA,UAAUU,WAAyCX,gBA1C5CI,KA6CEQ,SAAQ,SAASd,SACtBA,QAAQQ,SAASC,OAAON,cAH5BY,OAAOC,SAAWpB,IAAIqB,YAAY,uBAkB1CC,YAAc,SAASC,MAAOC,WAAYjB,eAItCC,EAAI,MACHA,EAAI,EAAGA,EAHGE,KAGUC,OAAQH,IAAK,KAC9BJ,QAJOM,KAIYF,GAEnBP,WAEAF,IAAIU,MAAM,kBACVV,IAAIU,MAAMF,YAEVH,QAAQQ,SAASC,OAAON,mBAKE,CAwBlCkB,KAAM,SAASC,SAAUC,MAAOC,cAAetB,gBAAiBuB,QAASC,UACrEjC,EAAEsB,QAAQY,KAAK,gBAAgB,WAC3B9B,WAAY,SAGZO,EADAwB,gBAAkB,GAElBC,SAAW,GACXC,WAAa,GACbC,YAAc,YAIW,IAAlBP,gBACPA,eAAgB,QAEC,IAAVD,QACPA,OAAQ,QAEW,IAAZE,UACPA,QAAU,QAEU,IAAbC,WAGPA,SAAWM,SAASN,YACJ,EAHhBA,SAAW,KAKCA,WACRA,SAAW,WAIY,IAApBxB,kBACPA,iBAAkB,GAEjBE,EAAI,EAAGA,EAAIkB,SAASf,OAAQH,IAAK,KAC9BJ,QAAUsB,SAASlB,GACvBwB,gBAAgBK,KAAK,CACjBC,MAAO9B,EACP+B,WAAYnC,QAAQmC,WACpBC,KAAMpC,QAAQoC,OAElBpC,QAAQE,gBAAkBA,gBAC1BF,QAAQQ,SAAWf,EAAE4C,WACrBR,SAASI,KAAKjC,QAAQQ,SAAS8B,gBAGH,IAAjBtC,QAAQuC,MACfvC,QAAQQ,SAAS+B,KAAKvC,QAAQuC,WAEN,IAAjBvC,QAAQwC,MACfxC,QAAQQ,SAASgC,KAAKxC,QAAQwC,MAElCxC,QAAQkC,MAAQ9B,EAChB0B,WAAWG,KAAKjC,QAAQmC,YAIxBJ,YADAD,WAAWvB,QAAU,EACPuB,WAAWW,OAAOC,OAElBZ,WAAWvB,OAAS,gBAGtCqB,gBAAkBe,KAAKC,UAAUhB,qBAC7BiB,SAAW,CACXC,KAAM,OACNC,QAASzB,SACT0B,SAAU,OACVC,aAAa,EACb1B,MAAOA,MACP2B,YAAa,mBACbzB,QAASA,SAGT0B,OAAS,cACTC,IAAM1D,OAAO2D,QAAU,gBACtB7B,cAQD4B,KAAOD,OAAS,YAAczD,OAAO4D,QAAU,SAAWvB,aAN1DqB,MADAD,OAAS,uBACO,SAAWpB,YACvBL,WACA0B,KAAO,aAAe1B,SACtBmB,SAASC,KAAO,QAMpB5C,kBACAkD,KAAO,yBAGW,SAAlBP,SAASC,KACTD,SAASjC,KAAOgB,oBACb,KACC2B,UAAYH,IAAM,SAAWI,mBAAmB5B,iBAEhD2B,UAAUhD,OAtFC,KAuFXsC,SAASC,KAAO,OAChBD,SAASjC,KAAOgB,iBAEhBwB,IAAMG,iBAKVhC,MACA9B,EAAEgE,KAAKL,IAAKP,UACPN,KAAKzC,gBACL0C,KAAKtB,cAEV2B,SAASa,QAAU5D,eACnB+C,SAASxC,MAAQa,YACjBzB,EAAEgE,KAAKL,IAAKP,WAGThB"}
\ No newline at end of file
diff --git a/lib/amd/build/auto_rows.min.js b/lib/amd/build/auto_rows.min.js
index e05cdc9d07a..9363a3fcd0b 100644
--- a/lib/amd/build/auto_rows.min.js
+++ b/lib/amd/build/auto_rows.min.js
@@ -1,2 +1,13 @@
-define ("core/auto_rows",["jquery"],function(a){var b={ELEMENT:"[data-auto-rows]"},c={ROW_CHANGE:"autorows:rowchange"},d=function(a){var b=a.attr("rows"),c=a.data("min-rows"),d=a.attr("data-max-rows"),e=a.height(),f=a.innerHeight(),g=a[0].scrollHeight,h=(g-(f-e))/(e/b);a.css("height","");if(h<c){return c}else if(d&&h>=d){return d}else{return h}},e=function(b){var e=a(b.target),f=e.data("min-rows"),g=e.attr("rows");if("undefined"==typeof f){e.data("min-rows",g)}e.attr("rows",1);var h=d(e);e.attr("rows",h);if(h!=g){e.trigger(c.ROW_CHANGE)}};return{init:function init(c){if(a(c).data("auto-rows")){a(c).on("input propertychange",e.bind(this))}else{a(c).on("input propertychange",b.ELEMENT,e.bind(this))}},events:c}});
-//# sourceMappingURL=auto_rows.min.js.map
+/**
+ * Enhance a textarea with auto growing rows to fit the content.
+ *
+ * @module     core/auto_rows
+ * @class      auto_rows
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.2
+ */
+define("core/auto_rows",["jquery"],(function($){var SELECTORS_ELEMENT="[data-auto-rows]",EVENTS={ROW_CHANGE:"autorows:rowchange"},changeListener=function(e){var element=$(e.target),minRows=element.data("min-rows"),currentRows=element.attr("rows");void 0===minRows&&element.data("min-rows",currentRows),element.attr("rows",1);var rows=function(element){var currentRows=element.attr("rows"),minRows=element.data("min-rows"),maxRows=element.attr("data-max-rows"),height=element.height(),padding=element.innerHeight()-height,rows=(element[0].scrollHeight-padding)/(height/currentRows);return element.css("height",""),rows<minRows?minRows:maxRows&&rows>=maxRows?maxRows:rows}(element);element.attr("rows",rows),rows!=currentRows&&element.trigger(EVENTS.ROW_CHANGE)};return{init:function(root){$(root).data("auto-rows")?$(root).on("input propertychange",changeListener.bind(this)):$(root).on("input propertychange",SELECTORS_ELEMENT,changeListener.bind(this))},events:EVENTS}}));
+
+//# sourceMappingURL=auto_rows.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/auto_rows.min.js.map b/lib/amd/build/auto_rows.min.js.map
index 73e40398b6e..1c8014aa9a2 100644
--- a/lib/amd/build/auto_rows.min.js.map
+++ b/lib/amd/build/auto_rows.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/auto_rows.js"],"names":["define","$","SELECTORS","ELEMENT","EVENTS","ROW_CHANGE","calculateRows","element","currentRows","attr","minRows","data","maxRows","height","innerHeight","scrollHeight","rows","css","changeListener","e","target","trigger","init","root","on","bind","events"],"mappings":"AAyBAA,OAAM,kBAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,IACvBC,CAAAA,CAAS,CAAG,CACZC,OAAO,CAAE,kBADG,CADW,CAKvBC,CAAM,CAAG,CACTC,UAAU,CAAE,oBADH,CALc,CAiBvBC,CAAa,CAAG,SAASC,CAAT,CAAkB,IAC9BC,CAAAA,CAAW,CAAGD,CAAO,CAACE,IAAR,CAAa,MAAb,CADgB,CAE9BC,CAAO,CAAGH,CAAO,CAACI,IAAR,CAAa,UAAb,CAFoB,CAG9BC,CAAO,CAAGL,CAAO,CAACE,IAAR,CAAa,eAAb,CAHoB,CAK9BI,CAAM,CAAGN,CAAO,CAACM,MAAR,EALqB,CAM9BC,CAAW,CAAGP,CAAO,CAACO,WAAR,EANgB,CAS9BC,CAAY,CAAGR,CAAO,CAAC,CAAD,CAAP,CAAWQ,YATI,CAU9BC,CAAI,CAAG,CAACD,CAAY,EAHVD,CAAW,CAAGD,CAGJ,CAAb,GAA4BA,CAAM,CAAGL,CAArC,CAVuB,CAclCD,CAAO,CAACU,GAAR,CAAY,QAAZ,CAAsB,EAAtB,EAEA,GAAID,CAAI,CAAGN,CAAX,CAAoB,CAChB,MAAOA,CAAAA,CACV,CAFD,IAEO,IAAIE,CAAO,EAAII,CAAI,EAAIJ,CAAvB,CAAgC,CACnC,MAAOA,CAAAA,CACV,CAFM,IAEA,CACH,MAAOI,CAAAA,CACV,CACJ,CAxC0B,CAiDvBE,CAAc,CAAG,SAASC,CAAT,CAAY,IACzBZ,CAAAA,CAAO,CAAGN,CAAC,CAACkB,CAAC,CAACC,MAAH,CADc,CAEzBV,CAAO,CAAGH,CAAO,CAACI,IAAR,CAAa,UAAb,CAFe,CAGzBH,CAAW,CAAGD,CAAO,CAACE,IAAR,CAAa,MAAb,CAHW,CAK7B,GAAuB,WAAnB,QAAOC,CAAAA,CAAX,CAAoC,CAChCH,CAAO,CAACI,IAAR,CAAa,UAAb,CAAyBH,CAAzB,CACH,CAIDD,CAAO,CAACE,IAAR,CAAa,MAAb,CAAqB,CAArB,EACA,GAAIO,CAAAA,CAAI,CAAGV,CAAa,CAACC,CAAD,CAAxB,CACAA,CAAO,CAACE,IAAR,CAAa,MAAb,CAAqBO,CAArB,EAEA,GAAIA,CAAI,EAAIR,CAAZ,CAAyB,CACrBD,CAAO,CAACc,OAAR,CAAgBjB,CAAM,CAACC,UAAvB,CACH,CACJ,CAnE0B,CAoF3B,MAAqC,CACjCiB,IAAI,CATG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAe,CACtB,GAAItB,CAAC,CAACsB,CAAD,CAAD,CAAQZ,IAAR,CAAa,WAAb,CAAJ,CAA+B,CAC3BV,CAAC,CAACsB,CAAD,CAAD,CAAQC,EAAR,CAAW,sBAAX,CAAmCN,CAAc,CAACO,IAAf,CAAoB,IAApB,CAAnC,CACH,CAFD,IAEO,CACHxB,CAAC,CAACsB,CAAD,CAAD,CAAQC,EAAR,CAAW,sBAAX,CAAmCtB,CAAS,CAACC,OAA7C,CAAsDe,CAAc,CAACO,IAAf,CAAoB,IAApB,CAAtD,CACH,CACJ,CAEoC,CAEjCC,MAAM,CAAEtB,CAFyB,CAIxC,CAxFK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enhance a textarea with auto growing rows to fit the content.\n *\n * @module     core/auto_rows\n * @class      auto_rows\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery'], function($) {\n    var SELECTORS = {\n        ELEMENT: '[data-auto-rows]'\n    };\n\n    var EVENTS = {\n        ROW_CHANGE: 'autorows:rowchange',\n    };\n\n    /**\n     * Determine how many rows should be set for the given element.\n     *\n     * @method calculateRows\n     * @param {jQuery} element The textarea element\n     * @return {int} The number of rows for the element\n     * @private\n     */\n    var calculateRows = function(element) {\n        var currentRows = element.attr('rows');\n        var minRows = element.data('min-rows');\n        var maxRows = element.attr('data-max-rows');\n\n        var height = element.height();\n        var innerHeight = element.innerHeight();\n        var padding = innerHeight - height;\n\n        var scrollHeight = element[0].scrollHeight;\n        var rows = (scrollHeight - padding) / (height / currentRows);\n\n        // Remove the height styling to let the height be calculated automatically\n        // based on the row attribute.\n        element.css('height', '');\n\n        if (rows < minRows) {\n            return minRows;\n        } else if (maxRows && rows >= maxRows) {\n            return maxRows;\n        } else {\n            return rows;\n        }\n    };\n\n    /**\n     * Listener for change events to trigger resizing of the element.\n     *\n     * @method changeListener\n     * @param {Event} e The triggered event.\n     * @private\n     */\n    var changeListener = function(e) {\n        var element = $(e.target);\n        var minRows = element.data('min-rows');\n        var currentRows = element.attr('rows');\n\n        if (typeof minRows === \"undefined\") {\n            element.data('min-rows', currentRows);\n        }\n\n        // Reset element to single row so that the scroll height of the\n        // element is correctly calculated each time.\n        element.attr('rows', 1);\n        var rows = calculateRows(element);\n        element.attr('rows', rows);\n\n        if (rows != currentRows) {\n            element.trigger(EVENTS.ROW_CHANGE);\n        }\n    };\n\n    /**\n     * Add the event listeners for all text areas within the given element.\n     *\n     * @method init\n     * @param {jQuery|selector} root The container element of all enhanced text areas\n     * @public\n     */\n    var init = function(root) {\n        if ($(root).data('auto-rows')) {\n            $(root).on('input propertychange', changeListener.bind(this));\n        } else {\n            $(root).on('input propertychange', SELECTORS.ELEMENT, changeListener.bind(this));\n        }\n    };\n\n    return /** @module core/auto_rows */ {\n        init: init,\n        events: EVENTS,\n    };\n});\n"],"file":"auto_rows.min.js"}
\ No newline at end of file
+{"version":3,"file":"auto_rows.min.js","sources":["../src/auto_rows.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enhance a textarea with auto growing rows to fit the content.\n *\n * @module     core/auto_rows\n * @class      auto_rows\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery'], function($) {\n    var SELECTORS = {\n        ELEMENT: '[data-auto-rows]'\n    };\n\n    var EVENTS = {\n        ROW_CHANGE: 'autorows:rowchange',\n    };\n\n    /**\n     * Determine how many rows should be set for the given element.\n     *\n     * @method calculateRows\n     * @param {jQuery} element The textarea element\n     * @return {int} The number of rows for the element\n     * @private\n     */\n    var calculateRows = function(element) {\n        var currentRows = element.attr('rows');\n        var minRows = element.data('min-rows');\n        var maxRows = element.attr('data-max-rows');\n\n        var height = element.height();\n        var innerHeight = element.innerHeight();\n        var padding = innerHeight - height;\n\n        var scrollHeight = element[0].scrollHeight;\n        var rows = (scrollHeight - padding) / (height / currentRows);\n\n        // Remove the height styling to let the height be calculated automatically\n        // based on the row attribute.\n        element.css('height', '');\n\n        if (rows < minRows) {\n            return minRows;\n        } else if (maxRows && rows >= maxRows) {\n            return maxRows;\n        } else {\n            return rows;\n        }\n    };\n\n    /**\n     * Listener for change events to trigger resizing of the element.\n     *\n     * @method changeListener\n     * @param {Event} e The triggered event.\n     * @private\n     */\n    var changeListener = function(e) {\n        var element = $(e.target);\n        var minRows = element.data('min-rows');\n        var currentRows = element.attr('rows');\n\n        if (typeof minRows === \"undefined\") {\n            element.data('min-rows', currentRows);\n        }\n\n        // Reset element to single row so that the scroll height of the\n        // element is correctly calculated each time.\n        element.attr('rows', 1);\n        var rows = calculateRows(element);\n        element.attr('rows', rows);\n\n        if (rows != currentRows) {\n            element.trigger(EVENTS.ROW_CHANGE);\n        }\n    };\n\n    /**\n     * Add the event listeners for all text areas within the given element.\n     *\n     * @method init\n     * @param {jQuery|selector} root The container element of all enhanced text areas\n     * @public\n     */\n    var init = function(root) {\n        if ($(root).data('auto-rows')) {\n            $(root).on('input propertychange', changeListener.bind(this));\n        } else {\n            $(root).on('input propertychange', SELECTORS.ELEMENT, changeListener.bind(this));\n        }\n    };\n\n    return /** @module core/auto_rows */ {\n        init: init,\n        events: EVENTS,\n    };\n});\n"],"names":["define","$","SELECTORS","EVENTS","ROW_CHANGE","changeListener","e","element","target","minRows","data","currentRows","attr","rows","maxRows","height","padding","innerHeight","scrollHeight","css","calculateRows","trigger","init","root","on","bind","this","events"],"mappings":";;;;;;;;;;AAyBAA,wBAAO,CAAC,WAAW,SAASC,OACpBC,kBACS,mBAGTC,OAAS,CACTC,WAAY,sBA2CZC,eAAiB,SAASC,OACtBC,QAAUN,EAAEK,EAAEE,QACdC,QAAUF,QAAQG,KAAK,YACvBC,YAAcJ,QAAQK,KAAK,aAER,IAAZH,SACPF,QAAQG,KAAK,WAAYC,aAK7BJ,QAAQK,KAAK,OAAQ,OACjBC,KA5CY,SAASN,aACrBI,YAAcJ,QAAQK,KAAK,QAC3BH,QAAUF,QAAQG,KAAK,YACvBI,QAAUP,QAAQK,KAAK,iBAEvBG,OAASR,QAAQQ,SAEjBC,QADcT,QAAQU,cACEF,OAGxBF,MADeN,QAAQ,GAAGW,aACHF,UAAYD,OAASJ,oBAIhDJ,QAAQY,IAAI,SAAU,IAElBN,KAAOJ,QACAA,QACAK,SAAWD,MAAQC,QACnBA,QAEAD,KAuBAO,CAAcb,SACzBA,QAAQK,KAAK,OAAQC,MAEjBA,MAAQF,aACRJ,QAAQc,QAAQlB,OAAOC,mBAmBM,CACjCkB,KATO,SAASC,MACZtB,EAAEsB,MAAMb,KAAK,aACbT,EAAEsB,MAAMC,GAAG,uBAAwBnB,eAAeoB,KAAKC,OAEvDzB,EAAEsB,MAAMC,GAAG,uBAAwBtB,kBAAmBG,eAAeoB,KAAKC,QAM9EC,OAAQxB"}
\ No newline at end of file
diff --git a/lib/amd/build/autoscroll.min.js b/lib/amd/build/autoscroll.min.js
index 33a317edb73..2f4b8dd6d50 100644
--- a/lib/amd/build/autoscroll.min.js
+++ b/lib/amd/build/autoscroll.min.js
@@ -1,2 +1,18 @@
-define ("core/autoscroll",["jquery"],function(a){var b={SCROLL_THRESHOLD:30,SCROLL_FREQUENCY:1e3/60,SCROLL_SPEED:.5,scrollingId:null,scrollAmount:0,callback:null,start:function start(c){a(window).on("mousemove",b.mouseMove);a(window).on("touchmove",b.touchMove);b.callback=c},stop:function stop(){a(window).off("mousemove",b.mouseMove);a(window).off("touchmove",b.touchMove);if(null!==b.scrollingId){b.stopScrolling()}},touchMove:function touchMove(a){for(var c=0;c<a.changedTouches.length;c++){b.handleMove(a.changedTouches[c].clientX,a.changedTouches[c].clientY)}},mouseMove:function mouseMove(a){b.handleMove(a.clientX,a.clientY)},handleMove:function handleMove(c,d){if(d<b.SCROLL_THRESHOLD){b.scrollAmount=-Math.min(b.SCROLL_THRESHOLD-d,b.SCROLL_THRESHOLD)}else if(d>a(window).height()-b.SCROLL_THRESHOLD){b.scrollAmount=Math.min(d-(a(window).height()-b.SCROLL_THRESHOLD),b.SCROLL_THRESHOLD)}else{b.scrollAmount=0}if(b.scrollAmount&&null===b.scrollingId){b.startScrolling()}else if(!b.scrollAmount&&null!==b.scrollingId){b.stopScrolling()}},startScrolling:function startScrolling(){var c=a(document).height()-a(window).height();b.scrollingId=window.setInterval(function(){var d=a(window).scrollTop(),e=Math.round(b.scrollAmount*b.SCROLL_SPEED);if(0>d+e){e=-d}if(d+e>c){e=c-d}if(0===e){return}a(window).scrollTop(d+e);var f=a(window).scrollTop()-d;if(0==f){return}if(b.callback){b.callback(f)}},b.SCROLL_FREQUENCY)},stopScrolling:function stopScrolling(){window.clearInterval(b.scrollingId);b.scrollingId=null}};return{start:b.start,stop:b.stop}});
-//# sourceMappingURL=autoscroll.min.js.map
+/*
+ * JavaScript to provide automatic scrolling, e.g. during a drag operation.
+ *
+ * Note: this module is defined statically. It is a singleton. You
+ * can only have one use of it active at any time. However, since this
+ * is usually used in relation to drag-drop, and since you only ever
+ * drag one thing at a time, this is not a problem in practice.
+ *
+ * @module     core/autoscroll
+ * @class      autoscroll
+ * @package    core
+ * @copyright  2016 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.6
+ */
+define("core/autoscroll",["jquery"],(function($){var autoscroll={SCROLL_THRESHOLD:30,SCROLL_FREQUENCY:1e3/60,SCROLL_SPEED:.5,scrollingId:null,scrollAmount:0,callback:null,start:function(callback){$(window).on("mousemove",autoscroll.mouseMove),$(window).on("touchmove",autoscroll.touchMove),autoscroll.callback=callback},stop:function(){$(window).off("mousemove",autoscroll.mouseMove),$(window).off("touchmove",autoscroll.touchMove),null!==autoscroll.scrollingId&&autoscroll.stopScrolling()},touchMove:function(e){for(var i=0;i<e.changedTouches.length;i++)autoscroll.handleMove(e.changedTouches[i].clientX,e.changedTouches[i].clientY)},mouseMove:function(e){autoscroll.handleMove(e.clientX,e.clientY)},handleMove:function(clientX,clientY){clientY<autoscroll.SCROLL_THRESHOLD?autoscroll.scrollAmount=-Math.min(autoscroll.SCROLL_THRESHOLD-clientY,autoscroll.SCROLL_THRESHOLD):clientY>$(window).height()-autoscroll.SCROLL_THRESHOLD?autoscroll.scrollAmount=Math.min(clientY-($(window).height()-autoscroll.SCROLL_THRESHOLD),autoscroll.SCROLL_THRESHOLD):autoscroll.scrollAmount=0,autoscroll.scrollAmount&&null===autoscroll.scrollingId?autoscroll.startScrolling():autoscroll.scrollAmount||null===autoscroll.scrollingId||autoscroll.stopScrolling()},startScrolling:function(){var maxScroll=$(document).height()-$(window).height();autoscroll.scrollingId=window.setInterval((function(){var y=$(window).scrollTop(),offset=Math.round(autoscroll.scrollAmount*autoscroll.SCROLL_SPEED);if(y+offset<0&&(offset=-y),y+offset>maxScroll&&(offset=maxScroll-y),0!==offset){$(window).scrollTop(y+offset);var realOffset=$(window).scrollTop()-y;0!==realOffset&&autoscroll.callback&&autoscroll.callback(realOffset)}}),autoscroll.SCROLL_FREQUENCY)},stopScrolling:function(){window.clearInterval(autoscroll.scrollingId),autoscroll.scrollingId=null}};return{start:autoscroll.start,stop:autoscroll.stop}}));
+
+//# sourceMappingURL=autoscroll.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/autoscroll.min.js.map b/lib/amd/build/autoscroll.min.js.map
index ee4da657e02..4c331e36c4c 100644
--- a/lib/amd/build/autoscroll.min.js.map
+++ b/lib/amd/build/autoscroll.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/autoscroll.js"],"names":["define","$","autoscroll","SCROLL_THRESHOLD","SCROLL_FREQUENCY","SCROLL_SPEED","scrollingId","scrollAmount","callback","start","window","on","mouseMove","touchMove","stop","off","stopScrolling","e","i","changedTouches","length","handleMove","clientX","clientY","Math","min","height","startScrolling","maxScroll","document","setInterval","y","scrollTop","offset","round","realOffset","clearInterval"],"mappings":"AA8BAA,OAAM,mBAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAI3B,GAAIC,CAAAA,CAAU,CAAG,CAKbC,gBAAgB,CAAE,EALL,CAWbC,gBAAgB,CAAE,IAAO,EAXZ,CAiBbC,YAAY,CAAE,EAjBD,CAuBbC,WAAW,CAAE,IAvBA,CA6BbC,YAAY,CAAE,CA7BD,CAmCbC,QAAQ,CAAE,IAnCG,CA4CbC,KAAK,CAAE,eAASD,CAAT,CAAmB,CACtBP,CAAC,CAACS,MAAD,CAAD,CAAUC,EAAV,CAAa,WAAb,CAA0BT,CAAU,CAACU,SAArC,EACAX,CAAC,CAACS,MAAD,CAAD,CAAUC,EAAV,CAAa,WAAb,CAA0BT,CAAU,CAACW,SAArC,EACAX,CAAU,CAACM,QAAX,CAAsBA,CACzB,CAhDY,CAuDbM,IAAI,CAAE,eAAW,CACbb,CAAC,CAACS,MAAD,CAAD,CAAUK,GAAV,CAAc,WAAd,CAA2Bb,CAAU,CAACU,SAAtC,EACAX,CAAC,CAACS,MAAD,CAAD,CAAUK,GAAV,CAAc,WAAd,CAA2Bb,CAAU,CAACW,SAAtC,EACA,GAA+B,IAA3B,GAAAX,CAAU,CAACI,WAAf,CAAqC,CACjCJ,CAAU,CAACc,aAAX,EACH,CACJ,CA7DY,CAqEbH,SAAS,CAAE,mBAASI,CAAT,CAAY,CACnB,IAAK,GAAIC,CAAAA,CAAC,CAAG,CAAb,CAAgBA,CAAC,CAAGD,CAAC,CAACE,cAAF,CAAiBC,MAArC,CAA6CF,CAAC,EAA9C,CAAkD,CAC9ChB,CAAU,CAACmB,UAAX,CAAsBJ,CAAC,CAACE,cAAF,CAAiBD,CAAjB,EAAoBI,OAA1C,CAAmDL,CAAC,CAACE,cAAF,CAAiBD,CAAjB,EAAoBK,OAAvE,CACH,CACJ,CAzEY,CAiFbX,SAAS,CAAE,mBAASK,CAAT,CAAY,CACnBf,CAAU,CAACmB,UAAX,CAAsBJ,CAAC,CAACK,OAAxB,CAAiCL,CAAC,CAACM,OAAnC,CACH,CAnFY,CA4FbF,UAAU,CAAE,oBAASC,CAAT,CAAkBC,CAAlB,CAA2B,CAEnC,GAAIA,CAAO,CAAGrB,CAAU,CAACC,gBAAzB,CAA2C,CACvCD,CAAU,CAACK,YAAX,CAA0B,CAACiB,IAAI,CAACC,GAAL,CAASvB,CAAU,CAACC,gBAAX,CAA8BoB,CAAvC,CAAgDrB,CAAU,CAACC,gBAA3D,CAC9B,CAFD,IAEO,IAAIoB,CAAO,CAAGtB,CAAC,CAACS,MAAD,CAAD,CAAUgB,MAAV,GAAqBxB,CAAU,CAACC,gBAA9C,CAAgE,CACnED,CAAU,CAACK,YAAX,CAA0BiB,IAAI,CAACC,GAAL,CAASF,CAAO,EAAItB,CAAC,CAACS,MAAD,CAAD,CAAUgB,MAAV,GAAqBxB,CAAU,CAACC,gBAApC,CAAhB,CACtBD,CAAU,CAACC,gBADW,CAE7B,CAHM,IAGA,CACHD,CAAU,CAACK,YAAX,CAA0B,CAC7B,CACD,GAAIL,CAAU,CAACK,YAAX,EAAsD,IAA3B,GAAAL,CAAU,CAACI,WAA1C,CAAgE,CAC5DJ,CAAU,CAACyB,cAAX,EACH,CAFD,IAEO,IAAI,CAACzB,CAAU,CAACK,YAAZ,EAAuD,IAA3B,GAAAL,CAAU,CAACI,WAA3C,CAAiE,CACpEJ,CAAU,CAACc,aAAX,EACH,CACJ,CA3GY,CAkHbW,cAAc,CAAE,yBAAW,CACvB,GAAIC,CAAAA,CAAS,CAAG3B,CAAC,CAAC4B,QAAD,CAAD,CAAYH,MAAZ,GAAuBzB,CAAC,CAACS,MAAD,CAAD,CAAUgB,MAAV,EAAvC,CACAxB,CAAU,CAACI,WAAX,CAAyBI,MAAM,CAACoB,WAAP,CAAmB,UAAW,IAE/CC,CAAAA,CAAC,CAAG9B,CAAC,CAACS,MAAD,CAAD,CAAUsB,SAAV,EAF2C,CAG/CC,CAAM,CAAGT,IAAI,CAACU,KAAL,CAAWhC,CAAU,CAACK,YAAX,CAA0BL,CAAU,CAACG,YAAhD,CAHsC,CAInD,GAAiB,CAAb,CAAA0B,CAAC,CAAGE,CAAR,CAAoB,CAChBA,CAAM,CAAG,CAACF,CACb,CACD,GAAIA,CAAC,CAAGE,CAAJ,CAAaL,CAAjB,CAA4B,CACxBK,CAAM,CAAGL,CAAS,CAAGG,CACxB,CACD,GAAe,CAAX,GAAAE,CAAJ,CAAkB,CACd,MACH,CAGDhC,CAAC,CAACS,MAAD,CAAD,CAAUsB,SAAV,CAAoBD,CAAC,CAAGE,CAAxB,EACA,GAAIE,CAAAA,CAAU,CAAGlC,CAAC,CAACS,MAAD,CAAD,CAAUsB,SAAV,GAAwBD,CAAzC,CACA,GAAmB,CAAf,EAAAI,CAAJ,CAAsB,CAClB,MACH,CAGD,GAAIjC,CAAU,CAACM,QAAf,CAAyB,CACrBN,CAAU,CAACM,QAAX,CAAoB2B,CAApB,CACH,CAEJ,CA1BwB,CA0BtBjC,CAAU,CAACE,gBA1BW,CA2B5B,CA/IY,CAsJbY,aAAa,CAAE,wBAAW,CACtBN,MAAM,CAAC0B,aAAP,CAAqBlC,CAAU,CAACI,WAAhC,EACAJ,CAAU,CAACI,WAAX,CAAyB,IAC5B,CAzJY,CAAjB,CA4JA,MAAO,CAQHG,KAAK,CAAEP,CAAU,CAACO,KARf,CAeHK,IAAI,CAAEZ,CAAU,CAACY,IAfd,CAkBV,CAlLK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/*\n * JavaScript to provide automatic scrolling, e.g. during a drag operation.\n *\n * Note: this module is defined statically. It is a singleton. You\n * can only have one use of it active at any time. However, since this\n * is usually used in relation to drag-drop, and since you only ever\n * drag one thing at a time, this is not a problem in practice.\n *\n * @module     core/autoscroll\n * @class      autoscroll\n * @package    core\n * @copyright  2016 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.6\n */\ndefine(['jquery'], function($) {\n    /**\n     * @alias module:core/autoscroll\n     */\n    var autoscroll = {\n        /**\n         * Size of area near edge of screen that triggers scrolling.\n         * @private\n         */\n        SCROLL_THRESHOLD: 30,\n\n        /**\n         * How frequently to scroll window.\n         * @private\n         */\n        SCROLL_FREQUENCY: 1000 / 60,\n\n        /**\n         * How many pixels to scroll per unit (1 = max scroll 30).\n         * @private\n         */\n        SCROLL_SPEED: 0.5,\n\n        /**\n         * Set if currently scrolling up/down.\n         * @private\n         */\n        scrollingId: null,\n\n        /**\n         * Speed we are supposed to scroll (range 1 to SCROLL_THRESHOLD).\n         * @private\n         */\n        scrollAmount: 0,\n\n        /**\n         * Optional callback called when it scrolls\n         * @private\n         */\n        callback: null,\n\n        /**\n         * Starts automatically scrolling if user moves near edge of window.\n         * This should be called in response to mouse down or touch start.\n         *\n         * @public\n         * @param {Function} callback Optional callback that is called every time it scrolls\n         */\n        start: function(callback) {\n            $(window).on('mousemove', autoscroll.mouseMove);\n            $(window).on('touchmove', autoscroll.touchMove);\n            autoscroll.callback = callback;\n        },\n\n        /**\n         * Stops automatically scrolling. This should be called in response to mouse up or touch end.\n         *\n         * @public\n         */\n        stop: function() {\n            $(window).off('mousemove', autoscroll.mouseMove);\n            $(window).off('touchmove', autoscroll.touchMove);\n            if (autoscroll.scrollingId !== null) {\n                autoscroll.stopScrolling();\n            }\n        },\n\n        /**\n         * Event handler for touch move.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        touchMove: function(e) {\n            for (var i = 0; i < e.changedTouches.length; i++) {\n                autoscroll.handleMove(e.changedTouches[i].clientX, e.changedTouches[i].clientY);\n            }\n        },\n\n        /**\n         * Event handler for mouse move.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        mouseMove: function(e) {\n            autoscroll.handleMove(e.clientX, e.clientY);\n        },\n\n        /**\n         * Handles user moving.\n         *\n         * @private\n         * @param {number} clientX X\n         * @param {number} clientY Y\n         */\n        handleMove: function(clientX, clientY) {\n            // If near the bottom or top, start auto-scrolling.\n            if (clientY < autoscroll.SCROLL_THRESHOLD) {\n                autoscroll.scrollAmount = -Math.min(autoscroll.SCROLL_THRESHOLD - clientY, autoscroll.SCROLL_THRESHOLD);\n            } else if (clientY > $(window).height() - autoscroll.SCROLL_THRESHOLD) {\n                autoscroll.scrollAmount = Math.min(clientY - ($(window).height() - autoscroll.SCROLL_THRESHOLD),\n                    autoscroll.SCROLL_THRESHOLD);\n            } else {\n                autoscroll.scrollAmount = 0;\n            }\n            if (autoscroll.scrollAmount && autoscroll.scrollingId === null) {\n                autoscroll.startScrolling();\n            } else if (!autoscroll.scrollAmount && autoscroll.scrollingId !== null) {\n                autoscroll.stopScrolling();\n            }\n        },\n\n        /**\n         * Starts automatic scrolling.\n         *\n         * @private\n         */\n        startScrolling: function() {\n            var maxScroll = $(document).height() - $(window).height();\n            autoscroll.scrollingId = window.setInterval(function() {\n                // Work out how much to scroll.\n                var y = $(window).scrollTop();\n                var offset = Math.round(autoscroll.scrollAmount * autoscroll.SCROLL_SPEED);\n                if (y + offset < 0) {\n                    offset = -y;\n                }\n                if (y + offset > maxScroll) {\n                    offset = maxScroll - y;\n                }\n                if (offset === 0) {\n                    return;\n                }\n\n                // Scroll.\n                $(window).scrollTop(y + offset);\n                var realOffset = $(window).scrollTop() - y;\n                if (realOffset === 0) {\n                    return;\n                }\n\n                // Inform callback\n                if (autoscroll.callback) {\n                    autoscroll.callback(realOffset);\n                }\n\n            }, autoscroll.SCROLL_FREQUENCY);\n        },\n\n        /**\n         * Stops the automatic scrolling.\n         *\n         * @private\n         */\n        stopScrolling: function() {\n            window.clearInterval(autoscroll.scrollingId);\n            autoscroll.scrollingId = null;\n        }\n    };\n\n    return {\n        /**\n         * Starts automatic scrolling if user moves near edge of window.\n         * This should be called in response to mouse down or touch start.\n         *\n         * @public\n         * @param {Function} callback Optional callback that is called every time it scrolls\n         */\n        start: autoscroll.start,\n\n        /**\n         * Stops automatic scrolling. This should be called in response to mouse up or touch end.\n         *\n         * @public\n         */\n        stop: autoscroll.stop\n    };\n\n});\n"],"file":"autoscroll.min.js"}
\ No newline at end of file
+{"version":3,"file":"autoscroll.min.js","sources":["../src/autoscroll.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/*\n * JavaScript to provide automatic scrolling, e.g. during a drag operation.\n *\n * Note: this module is defined statically. It is a singleton. You\n * can only have one use of it active at any time. However, since this\n * is usually used in relation to drag-drop, and since you only ever\n * drag one thing at a time, this is not a problem in practice.\n *\n * @module     core/autoscroll\n * @class      autoscroll\n * @package    core\n * @copyright  2016 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.6\n */\ndefine(['jquery'], function($) {\n    /**\n     * @alias module:core/autoscroll\n     */\n    var autoscroll = {\n        /**\n         * Size of area near edge of screen that triggers scrolling.\n         * @private\n         */\n        SCROLL_THRESHOLD: 30,\n\n        /**\n         * How frequently to scroll window.\n         * @private\n         */\n        SCROLL_FREQUENCY: 1000 / 60,\n\n        /**\n         * How many pixels to scroll per unit (1 = max scroll 30).\n         * @private\n         */\n        SCROLL_SPEED: 0.5,\n\n        /**\n         * Set if currently scrolling up/down.\n         * @private\n         */\n        scrollingId: null,\n\n        /**\n         * Speed we are supposed to scroll (range 1 to SCROLL_THRESHOLD).\n         * @private\n         */\n        scrollAmount: 0,\n\n        /**\n         * Optional callback called when it scrolls\n         * @private\n         */\n        callback: null,\n\n        /**\n         * Starts automatically scrolling if user moves near edge of window.\n         * This should be called in response to mouse down or touch start.\n         *\n         * @public\n         * @param {Function} callback Optional callback that is called every time it scrolls\n         */\n        start: function(callback) {\n            $(window).on('mousemove', autoscroll.mouseMove);\n            $(window).on('touchmove', autoscroll.touchMove);\n            autoscroll.callback = callback;\n        },\n\n        /**\n         * Stops automatically scrolling. This should be called in response to mouse up or touch end.\n         *\n         * @public\n         */\n        stop: function() {\n            $(window).off('mousemove', autoscroll.mouseMove);\n            $(window).off('touchmove', autoscroll.touchMove);\n            if (autoscroll.scrollingId !== null) {\n                autoscroll.stopScrolling();\n            }\n        },\n\n        /**\n         * Event handler for touch move.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        touchMove: function(e) {\n            for (var i = 0; i < e.changedTouches.length; i++) {\n                autoscroll.handleMove(e.changedTouches[i].clientX, e.changedTouches[i].clientY);\n            }\n        },\n\n        /**\n         * Event handler for mouse move.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        mouseMove: function(e) {\n            autoscroll.handleMove(e.clientX, e.clientY);\n        },\n\n        /**\n         * Handles user moving.\n         *\n         * @private\n         * @param {number} clientX X\n         * @param {number} clientY Y\n         */\n        handleMove: function(clientX, clientY) {\n            // If near the bottom or top, start auto-scrolling.\n            if (clientY < autoscroll.SCROLL_THRESHOLD) {\n                autoscroll.scrollAmount = -Math.min(autoscroll.SCROLL_THRESHOLD - clientY, autoscroll.SCROLL_THRESHOLD);\n            } else if (clientY > $(window).height() - autoscroll.SCROLL_THRESHOLD) {\n                autoscroll.scrollAmount = Math.min(clientY - ($(window).height() - autoscroll.SCROLL_THRESHOLD),\n                    autoscroll.SCROLL_THRESHOLD);\n            } else {\n                autoscroll.scrollAmount = 0;\n            }\n            if (autoscroll.scrollAmount && autoscroll.scrollingId === null) {\n                autoscroll.startScrolling();\n            } else if (!autoscroll.scrollAmount && autoscroll.scrollingId !== null) {\n                autoscroll.stopScrolling();\n            }\n        },\n\n        /**\n         * Starts automatic scrolling.\n         *\n         * @private\n         */\n        startScrolling: function() {\n            var maxScroll = $(document).height() - $(window).height();\n            autoscroll.scrollingId = window.setInterval(function() {\n                // Work out how much to scroll.\n                var y = $(window).scrollTop();\n                var offset = Math.round(autoscroll.scrollAmount * autoscroll.SCROLL_SPEED);\n                if (y + offset < 0) {\n                    offset = -y;\n                }\n                if (y + offset > maxScroll) {\n                    offset = maxScroll - y;\n                }\n                if (offset === 0) {\n                    return;\n                }\n\n                // Scroll.\n                $(window).scrollTop(y + offset);\n                var realOffset = $(window).scrollTop() - y;\n                if (realOffset === 0) {\n                    return;\n                }\n\n                // Inform callback\n                if (autoscroll.callback) {\n                    autoscroll.callback(realOffset);\n                }\n\n            }, autoscroll.SCROLL_FREQUENCY);\n        },\n\n        /**\n         * Stops the automatic scrolling.\n         *\n         * @private\n         */\n        stopScrolling: function() {\n            window.clearInterval(autoscroll.scrollingId);\n            autoscroll.scrollingId = null;\n        }\n    };\n\n    return {\n        /**\n         * Starts automatic scrolling if user moves near edge of window.\n         * This should be called in response to mouse down or touch start.\n         *\n         * @public\n         * @param {Function} callback Optional callback that is called every time it scrolls\n         */\n        start: autoscroll.start,\n\n        /**\n         * Stops automatic scrolling. This should be called in response to mouse up or touch end.\n         *\n         * @public\n         */\n        stop: autoscroll.stop\n    };\n\n});\n"],"names":["define","$","autoscroll","SCROLL_THRESHOLD","SCROLL_FREQUENCY","SCROLL_SPEED","scrollingId","scrollAmount","callback","start","window","on","mouseMove","touchMove","stop","off","stopScrolling","e","i","changedTouches","length","handleMove","clientX","clientY","Math","min","height","startScrolling","maxScroll","document","setInterval","y","scrollTop","offset","round","realOffset","clearInterval"],"mappings":";;;;;;;;;;;;;;;AA8BAA,yBAAO,CAAC,WAAW,SAASC,OAIpBC,WAAa,CAKbC,iBAAkB,GAMlBC,iBAAkB,IAAO,GAMzBC,aAAc,GAMdC,YAAa,KAMbC,aAAc,EAMdC,SAAU,KASVC,MAAO,SAASD,UACZP,EAAES,QAAQC,GAAG,YAAaT,WAAWU,WACrCX,EAAES,QAAQC,GAAG,YAAaT,WAAWW,WACrCX,WAAWM,SAAWA,UAQ1BM,KAAM,WACFb,EAAES,QAAQK,IAAI,YAAab,WAAWU,WACtCX,EAAES,QAAQK,IAAI,YAAab,WAAWW,WACP,OAA3BX,WAAWI,aACXJ,WAAWc,iBAUnBH,UAAW,SAASI,OACX,IAAIC,EAAI,EAAGA,EAAID,EAAEE,eAAeC,OAAQF,IACzChB,WAAWmB,WAAWJ,EAAEE,eAAeD,GAAGI,QAASL,EAAEE,eAAeD,GAAGK,UAU/EX,UAAW,SAASK,GAChBf,WAAWmB,WAAWJ,EAAEK,QAASL,EAAEM,UAUvCF,WAAY,SAASC,QAASC,SAEtBA,QAAUrB,WAAWC,iBACrBD,WAAWK,cAAgBiB,KAAKC,IAAIvB,WAAWC,iBAAmBoB,QAASrB,WAAWC,kBAC/EoB,QAAUtB,EAAES,QAAQgB,SAAWxB,WAAWC,iBACjDD,WAAWK,aAAeiB,KAAKC,IAAIF,SAAWtB,EAAES,QAAQgB,SAAWxB,WAAWC,kBAC1ED,WAAWC,kBAEfD,WAAWK,aAAe,EAE1BL,WAAWK,cAA2C,OAA3BL,WAAWI,YACtCJ,WAAWyB,iBACHzB,WAAWK,cAA2C,OAA3BL,WAAWI,aAC9CJ,WAAWc,iBASnBW,eAAgB,eACRC,UAAY3B,EAAE4B,UAAUH,SAAWzB,EAAES,QAAQgB,SACjDxB,WAAWI,YAAcI,OAAOoB,aAAY,eAEpCC,EAAI9B,EAAES,QAAQsB,YACdC,OAAST,KAAKU,MAAMhC,WAAWK,aAAeL,WAAWG,iBACzD0B,EAAIE,OAAS,IACbA,QAAUF,GAEVA,EAAIE,OAASL,YACbK,OAASL,UAAYG,GAEV,IAAXE,QAKJhC,EAAES,QAAQsB,UAAUD,EAAIE,YACpBE,WAAalC,EAAES,QAAQsB,YAAcD,EACtB,IAAfI,YAKAjC,WAAWM,UACXN,WAAWM,SAAS2B,eAGzBjC,WAAWE,mBAQlBY,cAAe,WACXN,OAAO0B,cAAclC,WAAWI,aAChCJ,WAAWI,YAAc,aAI1B,CAQHG,MAAOP,WAAWO,MAOlBK,KAAMZ,WAAWY"}
\ No newline at end of file
diff --git a/lib/amd/build/backoff_timer.min.js b/lib/amd/build/backoff_timer.min.js
index 627f4cb3803..1a61695a606 100644
--- a/lib/amd/build/backoff_timer.min.js
+++ b/lib/amd/build/backoff_timer.min.js
@@ -1,2 +1,13 @@
-define ("core/backoff_timer",function(){var a=function(a,b){this.callback=a;this.backOffFunction=b};a.prototype.callback=null;a.prototype.backOffFunction=null;a.prototype.time=null;a.prototype.timeout=null;a.prototype.generateNextTime=function(){var a=this.backOffFunction(this.time);this.time=a;return a};a.prototype.reset=function(){this.time=null;this.stop();return this};a.prototype.stop=function(){if(this.timeout){window.clearTimeout(this.timeout);this.timeout=null}return this};a.prototype.start=function(){if(!this.timeout){var a=this.generateNextTime();this.timeout=window.setTimeout(function(){this.callback();this.stop();this.start()}.bind(this),a)}return this};a.prototype.restart=function(){return this.reset().start()};a.getIncrementalCallback=function(a,b,c,d){return function(e){if(!e){return a}if(e+b>c){return d}return e+b}};return a});
-//# sourceMappingURL=backoff_timer.min.js.map
+/**
+ * A timer that will execute a callback with decreasing frequency. Useful for
+ * doing polling on the server without overwhelming it with requests.
+ *
+ * @module     core/backoff_timer
+ * @class      backoff_timer
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/backoff_timer",(function(){var BackoffTimer=function(callback,backoffFunction){this.callback=callback,this.backOffFunction=backoffFunction};return BackoffTimer.prototype.callback=null,BackoffTimer.prototype.backOffFunction=null,BackoffTimer.prototype.time=null,BackoffTimer.prototype.timeout=null,BackoffTimer.prototype.generateNextTime=function(){var newTime=this.backOffFunction(this.time);return this.time=newTime,newTime},BackoffTimer.prototype.reset=function(){return this.time=null,this.stop(),this},BackoffTimer.prototype.stop=function(){return this.timeout&&(window.clearTimeout(this.timeout),this.timeout=null),this},BackoffTimer.prototype.start=function(){if(!this.timeout){var time=this.generateNextTime();this.timeout=window.setTimeout(function(){this.callback(),this.stop(),this.start()}.bind(this),time)}return this},BackoffTimer.prototype.restart=function(){return this.reset().start()},BackoffTimer.getIncrementalCallback=function(minamount,incrementamount,maxamount,timeoutamount){return function(time){return time?time+incrementamount>maxamount?timeoutamount:time+incrementamount:minamount}},BackoffTimer}));
+
+//# sourceMappingURL=backoff_timer.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/backoff_timer.min.js.map b/lib/amd/build/backoff_timer.min.js.map
index 81909b8cfea..efaa90087e0 100644
--- a/lib/amd/build/backoff_timer.min.js.map
+++ b/lib/amd/build/backoff_timer.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/backoff_timer.js"],"names":["define","BackoffTimer","callback","backoffFunction","backOffFunction","prototype","time","timeout","generateNextTime","newTime","reset","stop","window","clearTimeout","start","setTimeout","bind","restart","getIncrementalCallback","minamount","incrementamount","maxamount","timeoutamount"],"mappings":"AAyBAA,OAAM,sBAAC,UAAW,CAQd,GAAIC,CAAAA,CAAY,CAAG,SAASC,CAAT,CAAmBC,CAAnB,CAAoC,CACnD,KAAKD,QAAL,CAAgBA,CAAhB,CACA,KAAKE,eAAL,CAAuBD,CAC1B,CAHD,CAQAF,CAAY,CAACI,SAAb,CAAuBH,QAAvB,CAAkC,IAAlC,CAKAD,CAAY,CAACI,SAAb,CAAuBD,eAAvB,CAAyC,IAAzC,CAKAH,CAAY,CAACI,SAAb,CAAuBC,IAAvB,CAA8B,IAA9B,CAKAL,CAAY,CAACI,SAAb,CAAuBE,OAAvB,CAAiC,IAAjC,CAYAN,CAAY,CAACI,SAAb,CAAuBG,gBAAvB,CAA0C,UAAW,CACjD,GAAIC,CAAAA,CAAO,CAAG,KAAKL,eAAL,CAAqB,KAAKE,IAA1B,CAAd,CACA,KAAKA,IAAL,CAAYG,CAAZ,CAEA,MAAOA,CAAAA,CACV,CALD,CAaAR,CAAY,CAACI,SAAb,CAAuBK,KAAvB,CAA+B,UAAW,CACtC,KAAKJ,IAAL,CAAY,IAAZ,CACA,KAAKK,IAAL,GAEA,MAAO,KACV,CALD,CAaAV,CAAY,CAACI,SAAb,CAAuBM,IAAvB,CAA8B,UAAW,CACrC,GAAI,KAAKJ,OAAT,CAAkB,CACdK,MAAM,CAACC,YAAP,CAAoB,KAAKN,OAAzB,EACA,KAAKA,OAAL,CAAe,IAClB,CAED,MAAO,KACV,CAPD,CAqBAN,CAAY,CAACI,SAAb,CAAuBS,KAAvB,CAA+B,UAAW,CAEtC,GAAI,CAAC,KAAKP,OAAV,CAAmB,CACf,GAAID,CAAAA,CAAI,CAAG,KAAKE,gBAAL,EAAX,CACA,KAAKD,OAAL,CAAeK,MAAM,CAACG,UAAP,CAAkB,UAAW,CACxC,KAAKb,QAAL,GAEA,KAAKS,IAAL,GAEA,KAAKG,KAAL,EACH,CANgC,CAM/BE,IAN+B,CAM1B,IAN0B,CAAlB,CAMDV,CANC,CAOlB,CAED,MAAO,KACV,CAdD,CAuBAL,CAAY,CAACI,SAAb,CAAuBY,OAAvB,CAAiC,UAAW,CACxC,MAAO,MAAKP,KAAL,GAAaI,KAAb,EACV,CAFD,CAaCb,CAAY,CAACiB,sBAAb,CAAsC,SAASC,CAAT,CAAoBC,CAApB,CAAqCC,CAArC,CAAgDC,CAAhD,CAA+D,CAQlG,MAAO,UAAShB,CAAT,CAAe,CAClB,GAAI,CAACA,CAAL,CAAW,CACP,MAAOa,CAAAA,CACV,CAGD,GAAIb,CAAI,CAAGc,CAAP,CAAyBC,CAA7B,CAAwC,CACpC,MAAOC,CAAAA,CACV,CAED,MAAOhB,CAAAA,CAAI,CAAGc,CACjB,CACJ,CApBA,CAsBD,MAAOnB,CAAAA,CACV,CArJK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A timer that will execute a callback with decreasing frequency. Useful for\n * doing polling on the server without overwhelming it with requests.\n *\n * @module     core/backoff_timer\n * @class      backoff_timer\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(function() {\n\n    /**\n     * Constructor for the back off timer.\n     *\n     * @param {function} callback The function to execute after each tick\n     * @param {function} backoffFunction The function to determine what the next timeout value should be\n     */\n    var BackoffTimer = function(callback, backoffFunction) {\n        this.callback = callback;\n        this.backOffFunction = backoffFunction;\n    };\n\n    /**\n     * @type {function} callback The function to execute after each tick\n     */\n    BackoffTimer.prototype.callback = null;\n\n    /**\n     * @type {function} backoffFunction The function to determine what the next timeout value should be\n     */\n    BackoffTimer.prototype.backOffFunction = null;\n\n    /**\n     * @type {int} time The timeout value to use\n     */\n    BackoffTimer.prototype.time = null;\n\n    /**\n     * @type {numeric} timeout The timeout identifier\n     */\n    BackoffTimer.prototype.timeout = null;\n\n    /**\n     * Generate the next timeout in the back off time sequence\n     * for the timer.\n     *\n     * The back off function is called to calculate the next value.\n     * It is given the current value and an array of all previous values.\n     *\n     * @method generateNextTime\n     * @return {int} The new timeout value (in milliseconds)\n     */\n    BackoffTimer.prototype.generateNextTime = function() {\n        var newTime = this.backOffFunction(this.time);\n        this.time = newTime;\n\n        return newTime;\n    };\n\n    /**\n     * Stop the current timer and clear the previous time values\n     *\n     * @method reset\n     * @return {object} this\n     */\n    BackoffTimer.prototype.reset = function() {\n        this.time = null;\n        this.stop();\n\n        return this;\n    };\n\n    /**\n     * Clear the current timeout, if one is set.\n     *\n     * @method stop\n     * @return {object} this\n     */\n    BackoffTimer.prototype.stop = function() {\n        if (this.timeout) {\n            window.clearTimeout(this.timeout);\n            this.timeout = null;\n        }\n\n        return this;\n    };\n\n    /**\n     * Start the current timer by generating the new timeout value and\n     * starting the ticks.\n     *\n     * This function recurses after each tick with a new timeout value\n     * generated each time.\n     *\n     * The callback function is called after each tick.\n     *\n     * @method start\n     * @return {object} this\n     */\n    BackoffTimer.prototype.start = function() {\n        // If we haven't already started.\n        if (!this.timeout) {\n            var time = this.generateNextTime();\n            this.timeout = window.setTimeout(function() {\n                this.callback();\n                // Clear the existing timer.\n                this.stop();\n                // Start the next timer.\n                this.start();\n            }.bind(this), time);\n        }\n\n        return this;\n    };\n\n    /**\n     * Reset the timer and start it again from the initial timeout\n     * values\n     *\n     * @method restart\n     * @return {object} this\n     */\n    BackoffTimer.prototype.restart = function() {\n        return this.reset().start();\n    };\n\n    /**\n     * Returns an incremental function for the timer.\n     *\n     * @param {int} minamount The minimum amount of time we wait before checking\n     * @param {int} incrementamount The amount to increment the timer by\n     * @param {int} maxamount The max amount to ever increment to\n     * @param {int} timeoutamount The timeout to use once we reach the max amount\n     * @return {function}\n     */\n     BackoffTimer.getIncrementalCallback = function(minamount, incrementamount, maxamount, timeoutamount) {\n\n        /**\n         * An incremental function for the timer.\n         *\n         * @param {(int|null)} time The current timeout value or null if none set\n         * @return {int} The new timeout value\n         */\n        return function(time) {\n            if (!time) {\n                return minamount;\n            }\n\n            // Don't go over the max amount.\n            if (time + incrementamount > maxamount) {\n                return timeoutamount;\n            }\n\n            return time + incrementamount;\n        };\n    };\n\n    return BackoffTimer;\n});\n"],"file":"backoff_timer.min.js"}
\ No newline at end of file
+{"version":3,"file":"backoff_timer.min.js","sources":["../src/backoff_timer.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A timer that will execute a callback with decreasing frequency. Useful for\n * doing polling on the server without overwhelming it with requests.\n *\n * @module     core/backoff_timer\n * @class      backoff_timer\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(function() {\n\n    /**\n     * Constructor for the back off timer.\n     *\n     * @param {function} callback The function to execute after each tick\n     * @param {function} backoffFunction The function to determine what the next timeout value should be\n     */\n    var BackoffTimer = function(callback, backoffFunction) {\n        this.callback = callback;\n        this.backOffFunction = backoffFunction;\n    };\n\n    /**\n     * @type {function} callback The function to execute after each tick\n     */\n    BackoffTimer.prototype.callback = null;\n\n    /**\n     * @type {function} backoffFunction The function to determine what the next timeout value should be\n     */\n    BackoffTimer.prototype.backOffFunction = null;\n\n    /**\n     * @type {int} time The timeout value to use\n     */\n    BackoffTimer.prototype.time = null;\n\n    /**\n     * @type {numeric} timeout The timeout identifier\n     */\n    BackoffTimer.prototype.timeout = null;\n\n    /**\n     * Generate the next timeout in the back off time sequence\n     * for the timer.\n     *\n     * The back off function is called to calculate the next value.\n     * It is given the current value and an array of all previous values.\n     *\n     * @method generateNextTime\n     * @return {int} The new timeout value (in milliseconds)\n     */\n    BackoffTimer.prototype.generateNextTime = function() {\n        var newTime = this.backOffFunction(this.time);\n        this.time = newTime;\n\n        return newTime;\n    };\n\n    /**\n     * Stop the current timer and clear the previous time values\n     *\n     * @method reset\n     * @return {object} this\n     */\n    BackoffTimer.prototype.reset = function() {\n        this.time = null;\n        this.stop();\n\n        return this;\n    };\n\n    /**\n     * Clear the current timeout, if one is set.\n     *\n     * @method stop\n     * @return {object} this\n     */\n    BackoffTimer.prototype.stop = function() {\n        if (this.timeout) {\n            window.clearTimeout(this.timeout);\n            this.timeout = null;\n        }\n\n        return this;\n    };\n\n    /**\n     * Start the current timer by generating the new timeout value and\n     * starting the ticks.\n     *\n     * This function recurses after each tick with a new timeout value\n     * generated each time.\n     *\n     * The callback function is called after each tick.\n     *\n     * @method start\n     * @return {object} this\n     */\n    BackoffTimer.prototype.start = function() {\n        // If we haven't already started.\n        if (!this.timeout) {\n            var time = this.generateNextTime();\n            this.timeout = window.setTimeout(function() {\n                this.callback();\n                // Clear the existing timer.\n                this.stop();\n                // Start the next timer.\n                this.start();\n            }.bind(this), time);\n        }\n\n        return this;\n    };\n\n    /**\n     * Reset the timer and start it again from the initial timeout\n     * values\n     *\n     * @method restart\n     * @return {object} this\n     */\n    BackoffTimer.prototype.restart = function() {\n        return this.reset().start();\n    };\n\n    /**\n     * Returns an incremental function for the timer.\n     *\n     * @param {int} minamount The minimum amount of time we wait before checking\n     * @param {int} incrementamount The amount to increment the timer by\n     * @param {int} maxamount The max amount to ever increment to\n     * @param {int} timeoutamount The timeout to use once we reach the max amount\n     * @return {function}\n     */\n     BackoffTimer.getIncrementalCallback = function(minamount, incrementamount, maxamount, timeoutamount) {\n\n        /**\n         * An incremental function for the timer.\n         *\n         * @param {(int|null)} time The current timeout value or null if none set\n         * @return {int} The new timeout value\n         */\n        return function(time) {\n            if (!time) {\n                return minamount;\n            }\n\n            // Don't go over the max amount.\n            if (time + incrementamount > maxamount) {\n                return timeoutamount;\n            }\n\n            return time + incrementamount;\n        };\n    };\n\n    return BackoffTimer;\n});\n"],"names":["define","BackoffTimer","callback","backoffFunction","backOffFunction","prototype","time","timeout","generateNextTime","newTime","this","reset","stop","window","clearTimeout","start","setTimeout","bind","restart","getIncrementalCallback","minamount","incrementamount","maxamount","timeoutamount"],"mappings":";;;;;;;;;;AAyBAA,6BAAO,eAQCC,aAAe,SAASC,SAAUC,sBAC7BD,SAAWA,cACXE,gBAAkBD,wBAM3BF,aAAaI,UAAUH,SAAW,KAKlCD,aAAaI,UAAUD,gBAAkB,KAKzCH,aAAaI,UAAUC,KAAO,KAK9BL,aAAaI,UAAUE,QAAU,KAYjCN,aAAaI,UAAUG,iBAAmB,eAClCC,QAAUC,KAAKN,gBAAgBM,KAAKJ,kBACnCA,KAAOG,QAELA,SASXR,aAAaI,UAAUM,MAAQ,uBACtBL,KAAO,UACPM,OAEEF,MASXT,aAAaI,UAAUO,KAAO,kBACtBF,KAAKH,UACLM,OAAOC,aAAaJ,KAAKH,cACpBA,QAAU,MAGZG,MAeXT,aAAaI,UAAUU,MAAQ,eAEtBL,KAAKH,QAAS,KACXD,KAAOI,KAAKF,wBACXD,QAAUM,OAAOG,WAAW,gBACxBd,gBAEAU,YAEAG,SACPE,KAAKP,MAAOJ,aAGXI,MAUXT,aAAaI,UAAUa,QAAU,kBACtBR,KAAKC,QAAQI,SAYvBd,aAAakB,uBAAyB,SAASC,UAAWC,gBAAiBC,UAAWC,sBAQ5E,SAASjB,aACPA,KAKDA,KAAOe,gBAAkBC,UAClBC,cAGJjB,KAAOe,gBARHD,YAYZnB"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_axis.min.js b/lib/amd/build/chart_axis.min.js
index fa31518b036..596bddb4164 100644
--- a/lib/amd/build/chart_axis.min.js
+++ b/lib/amd/build/chart_axis.min.js
@@ -1,2 +1,11 @@
-define ("core/chart_axis",[],function(){function a(){}a.prototype.POS_DEFAULT=null;a.prototype.POS_BOTTOM="bottom";a.prototype.POS_LEFT="left";a.prototype.POS_RIGHT="right";a.prototype.POS_TOP="top";a.prototype._label=null;a.prototype._labels=null;a.prototype._max=null;a.prototype._min=null;a.prototype._position=null;a.prototype._stepSize=null;a.prototype.create=function(b){var c=new a;c.setPosition(b.position);c.setLabel(b.label);c.setStepSize(b.stepSize);c.setMax(b.max);c.setMin(b.min);c.setLabels(b.labels);return c};a.prototype.getLabel=function(){return this._label};a.prototype.getLabels=function(){return this._labels};a.prototype.getMax=function(){return this._max};a.prototype.getMin=function(){return this._min};a.prototype.getPosition=function(){return this._position};a.prototype.getStepSize=function(){return this._stepSize};a.prototype.setLabel=function(a){this._label=a||null};a.prototype.setLabels=function(a){this._labels=a||null;if(null!==this._labels&&null===this._stepSize&&(null===this._min||0===this._min)&&null===this._max){this.setStepSize(1);this.setMin(0);this.setMax(a.length-1)}};a.prototype.setMax=function(a){this._max="undefined"!=typeof a?a:null};a.prototype.setMin=function(a){this._min="undefined"!=typeof a?a:null};a.prototype.setPosition=function(a){if(a!=this.POS_DEFAULT&&a!=this.POS_BOTTOM&&a!=this.POS_LEFT&&a!=this.POS_RIGHT&&a!=this.POS_TOP){throw new Error("Invalid axis position.")}this._position=a};a.prototype.setStepSize=function(a){if("undefined"==typeof a||null===a){a=null}else if(isNaN(+a)){throw new Error("Value for stepSize is not a number.")}else{a=+a}this._stepSize=a};return a});
-//# sourceMappingURL=chart_axis.min.js.map
+/**
+ * Chart axis.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_axis
+ */
+define("core/chart_axis",[],(function(){function Axis(){}return Axis.prototype.POS_DEFAULT=null,Axis.prototype.POS_BOTTOM="bottom",Axis.prototype.POS_LEFT="left",Axis.prototype.POS_RIGHT="right",Axis.prototype.POS_TOP="top",Axis.prototype._label=null,Axis.prototype._labels=null,Axis.prototype._max=null,Axis.prototype._min=null,Axis.prototype._position=null,Axis.prototype._stepSize=null,Axis.prototype.create=function(obj){var s=new Axis;return s.setPosition(obj.position),s.setLabel(obj.label),s.setStepSize(obj.stepSize),s.setMax(obj.max),s.setMin(obj.min),s.setLabels(obj.labels),s},Axis.prototype.getLabel=function(){return this._label},Axis.prototype.getLabels=function(){return this._labels},Axis.prototype.getMax=function(){return this._max},Axis.prototype.getMin=function(){return this._min},Axis.prototype.getPosition=function(){return this._position},Axis.prototype.getStepSize=function(){return this._stepSize},Axis.prototype.setLabel=function(label){this._label=label||null},Axis.prototype.setLabels=function(labels){this._labels=labels||null,null===this._labels||null!==this._stepSize||null!==this._min&&0!==this._min||null!==this._max||(this.setStepSize(1),this.setMin(0),this.setMax(labels.length-1))},Axis.prototype.setMax=function(max){this._max=void 0!==max?max:null},Axis.prototype.setMin=function(min){this._min=void 0!==min?min:null},Axis.prototype.setPosition=function(position){if(position!=this.POS_DEFAULT&&position!=this.POS_BOTTOM&&position!=this.POS_LEFT&&position!=this.POS_RIGHT&&position!=this.POS_TOP)throw new Error("Invalid axis position.");this._position=position},Axis.prototype.setStepSize=function(stepSize){if(null==stepSize)stepSize=null;else{if(isNaN(Number(stepSize)))throw new Error("Value for stepSize is not a number.");stepSize=Number(stepSize)}this._stepSize=stepSize},Axis}));
+
+//# sourceMappingURL=chart_axis.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_axis.min.js.map b/lib/amd/build/chart_axis.min.js.map
index 4944d3db32d..1fe365be960 100644
--- a/lib/amd/build/chart_axis.min.js.map
+++ b/lib/amd/build/chart_axis.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart axis.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_axis\n */\ndefine([], function() {\n\n    /**\n     * Chart axis class.\n     *\n     * This is used to represent an axis, whether X or Y.\n     *\n     * @alias module:core/chart_axis\n     * @class\n     */\n    function Axis() {\n        // Please eslint no-empty-function.\n    }\n\n    /**\n     * Default axis position.\n     * @const {Null}\n     */\n    Axis.prototype.POS_DEFAULT = null;\n\n    /**\n     * Bottom axis position.\n     * @const {String}\n     */\n    Axis.prototype.POS_BOTTOM = 'bottom';\n\n    /**\n     * Left axis position.\n     * @const {String}\n     */\n    Axis.prototype.POS_LEFT = 'left';\n\n    /**\n     * Right axis position.\n     * @const {String}\n     */\n    Axis.prototype.POS_RIGHT = 'right';\n\n    /**\n     * Top axis position.\n     * @const {String}\n     */\n    Axis.prototype.POS_TOP = 'top';\n\n    /**\n     * Label of the axis.\n     * @type {String}\n     * @protected\n     */\n    Axis.prototype._label = null;\n\n    /**\n     * Labels of the ticks.\n     * @type {String[]}\n     * @protected\n     */\n    Axis.prototype._labels = null;\n\n    /**\n     * Maximum value of the axis.\n     * @type {Number}\n     * @protected\n     */\n    Axis.prototype._max = null;\n\n    /**\n     * Minimum value of the axis.\n     * @type {Number}\n     * @protected\n     */\n    Axis.prototype._min = null;\n\n    /**\n     * Position of the axis.\n     * @type {String}\n     * @protected\n     */\n    Axis.prototype._position = null;\n\n    /**\n     * Steps on the axis.\n     * @type {Number}\n     * @protected\n     */\n    Axis.prototype._stepSize = null;\n\n    /**\n     * Create a new instance of an axis from serialised data.\n     *\n     * @static\n     * @method create\n     * @param {Object} obj The data of the axis.\n     * @return {module:core/chart_axis}\n     */\n    Axis.prototype.create = function(obj) {\n        var s = new Axis();\n        s.setPosition(obj.position);\n        s.setLabel(obj.label);\n        s.setStepSize(obj.stepSize);\n        s.setMax(obj.max);\n        s.setMin(obj.min);\n        s.setLabels(obj.labels);\n        return s;\n    };\n\n    /**\n     * Get the label of the axis.\n     *\n     * @method getLabel\n     * @return {String}\n     */\n    Axis.prototype.getLabel = function() {\n        return this._label;\n    };\n\n    /**\n     * Get the labels of the ticks of the axis.\n     *\n     * @method getLabels\n     * @return {String[]}\n     */\n    Axis.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get the maximum value of the axis.\n     *\n     * @method getMax\n     * @return {Number}\n     */\n    Axis.prototype.getMax = function() {\n        return this._max;\n    };\n\n    /**\n     * Get the minimum value of the axis.\n     *\n     * @method getMin\n     * @return {Number}\n     */\n    Axis.prototype.getMin = function() {\n        return this._min;\n    };\n\n    /**\n     * Get the position of the axis.\n     *\n     * @method getPosition\n     * @return {String}\n     */\n    Axis.prototype.getPosition = function() {\n        return this._position;\n    };\n\n    /**\n     * Get the step size of the axis.\n     *\n     * @method getStepSize\n     * @return {Number}\n     */\n    Axis.prototype.getStepSize = function() {\n        return this._stepSize;\n    };\n\n    /**\n     * Set the label of the axis.\n     *\n     * @method setLabel\n     * @param {String} label The label.\n     */\n    Axis.prototype.setLabel = function(label) {\n        this._label = label || null;\n    };\n\n    /**\n     * Set the labels of the values on the axis.\n     *\n     * This automatically sets the [_stepSize]{@link module:core/chart_axis#_stepSize},\n     * [_min]{@link module:core/chart_axis#_min} and [_max]{@link module:core/chart_axis#_max}\n     * to define a scale from 0 to the number of labels when none of the previously\n     * mentioned values have been modified.\n     *\n     * You can use other values so long that your values in a series are mapped\n     * to the values represented by your _min, _max and _stepSize.\n     *\n     * @method setLabels\n     * @param {String[]} labels The labels.\n     */\n    Axis.prototype.setLabels = function(labels) {\n        this._labels = labels || null;\n\n        // By default we set the grid according to the labels.\n        if (this._labels !== null\n                && this._stepSize === null\n                && (this._min === null || this._min === 0)\n                && this._max === null) {\n            this.setStepSize(1);\n            this.setMin(0);\n            this.setMax(labels.length - 1);\n        }\n    };\n\n    /**\n     * Set the maximum value on the axis.\n     *\n     * When this is not set (or set to null) it is left for the output\n     * library to best guess what should be used.\n     *\n     * @method setMax\n     * @param {Number} max The value.\n     */\n    Axis.prototype.setMax = function(max) {\n        this._max = typeof max !== 'undefined' ? max : null;\n    };\n\n    /**\n     * Set the minimum value on the axis.\n     *\n     * When this is not set (or set to null) it is left for the output\n     * library to best guess what should be used.\n     *\n     * @method setMin\n     * @param {Number} min The value.\n     */\n    Axis.prototype.setMin = function(min) {\n        this._min = typeof min !== 'undefined' ? min : null;\n    };\n\n    /**\n     * Set the position of the axis.\n     *\n     * This does not validate whether or not the constant used is valid\n     * as the axis itself is not aware whether it represents the X or Y axis.\n     *\n     * The output library has to have a fallback in case the values are incorrect.\n     * When this is not set to {@link module:core/chart_axis#POS_DEFAULT} it is up\n     * to the output library to choose what position fits best.\n     *\n     * @method setPosition\n     * @param {String} position The value.\n     */\n    Axis.prototype.setPosition = function(position) {\n        if (position != this.POS_DEFAULT\n                && position != this.POS_BOTTOM\n                && position != this.POS_LEFT\n                && position != this.POS_RIGHT\n                && position != this.POS_TOP) {\n            throw new Error('Invalid axis position.');\n        }\n        this._position = position;\n    };\n\n    /**\n     * Set the stepSize on the axis.\n     *\n     * This is used to determine where ticks are displayed on the axis between min and max.\n     *\n     * @method setStepSize\n     * @param {Number} stepSize The value.\n     */\n    Axis.prototype.setStepSize = function(stepSize) {\n        if (typeof stepSize === 'undefined' || stepSize === null) {\n            stepSize = null;\n        } else if (isNaN(Number(stepSize))) {\n            throw new Error('Value for stepSize is not a number.');\n        } else {\n            stepSize = Number(stepSize);\n        }\n\n        this._stepSize = stepSize;\n    };\n\n    return Axis;\n\n});\n"],"file":"chart_axis.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_axis.min.js","sources":["../src/chart_axis.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart axis.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_axis\n */\ndefine([], function() {\n\n    /**\n     * Chart axis class.\n     *\n     * This is used to represent an axis, whether X or Y.\n     *\n     * @alias module:core/chart_axis\n     * @class\n     */\n    function Axis() {\n        // Please eslint no-empty-function.\n    }\n\n    /**\n     * Default axis position.\n     * @const {Null}\n     */\n    Axis.prototype.POS_DEFAULT = null;\n\n    /**\n     * Bottom axis position.\n     * @const {String}\n     */\n    Axis.prototype.POS_BOTTOM = 'bottom';\n\n    /**\n     * Left axis position.\n     * @const {String}\n     */\n    Axis.prototype.POS_LEFT = 'left';\n\n    /**\n     * Right axis position.\n     * @const {String}\n     */\n    Axis.prototype.POS_RIGHT = 'right';\n\n    /**\n     * Top axis position.\n     * @const {String}\n     */\n    Axis.prototype.POS_TOP = 'top';\n\n    /**\n     * Label of the axis.\n     * @type {String}\n     * @protected\n     */\n    Axis.prototype._label = null;\n\n    /**\n     * Labels of the ticks.\n     * @type {String[]}\n     * @protected\n     */\n    Axis.prototype._labels = null;\n\n    /**\n     * Maximum value of the axis.\n     * @type {Number}\n     * @protected\n     */\n    Axis.prototype._max = null;\n\n    /**\n     * Minimum value of the axis.\n     * @type {Number}\n     * @protected\n     */\n    Axis.prototype._min = null;\n\n    /**\n     * Position of the axis.\n     * @type {String}\n     * @protected\n     */\n    Axis.prototype._position = null;\n\n    /**\n     * Steps on the axis.\n     * @type {Number}\n     * @protected\n     */\n    Axis.prototype._stepSize = null;\n\n    /**\n     * Create a new instance of an axis from serialised data.\n     *\n     * @static\n     * @method create\n     * @param {Object} obj The data of the axis.\n     * @return {module:core/chart_axis}\n     */\n    Axis.prototype.create = function(obj) {\n        var s = new Axis();\n        s.setPosition(obj.position);\n        s.setLabel(obj.label);\n        s.setStepSize(obj.stepSize);\n        s.setMax(obj.max);\n        s.setMin(obj.min);\n        s.setLabels(obj.labels);\n        return s;\n    };\n\n    /**\n     * Get the label of the axis.\n     *\n     * @method getLabel\n     * @return {String}\n     */\n    Axis.prototype.getLabel = function() {\n        return this._label;\n    };\n\n    /**\n     * Get the labels of the ticks of the axis.\n     *\n     * @method getLabels\n     * @return {String[]}\n     */\n    Axis.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get the maximum value of the axis.\n     *\n     * @method getMax\n     * @return {Number}\n     */\n    Axis.prototype.getMax = function() {\n        return this._max;\n    };\n\n    /**\n     * Get the minimum value of the axis.\n     *\n     * @method getMin\n     * @return {Number}\n     */\n    Axis.prototype.getMin = function() {\n        return this._min;\n    };\n\n    /**\n     * Get the position of the axis.\n     *\n     * @method getPosition\n     * @return {String}\n     */\n    Axis.prototype.getPosition = function() {\n        return this._position;\n    };\n\n    /**\n     * Get the step size of the axis.\n     *\n     * @method getStepSize\n     * @return {Number}\n     */\n    Axis.prototype.getStepSize = function() {\n        return this._stepSize;\n    };\n\n    /**\n     * Set the label of the axis.\n     *\n     * @method setLabel\n     * @param {String} label The label.\n     */\n    Axis.prototype.setLabel = function(label) {\n        this._label = label || null;\n    };\n\n    /**\n     * Set the labels of the values on the axis.\n     *\n     * This automatically sets the [_stepSize]{@link module:core/chart_axis#_stepSize},\n     * [_min]{@link module:core/chart_axis#_min} and [_max]{@link module:core/chart_axis#_max}\n     * to define a scale from 0 to the number of labels when none of the previously\n     * mentioned values have been modified.\n     *\n     * You can use other values so long that your values in a series are mapped\n     * to the values represented by your _min, _max and _stepSize.\n     *\n     * @method setLabels\n     * @param {String[]} labels The labels.\n     */\n    Axis.prototype.setLabels = function(labels) {\n        this._labels = labels || null;\n\n        // By default we set the grid according to the labels.\n        if (this._labels !== null\n                && this._stepSize === null\n                && (this._min === null || this._min === 0)\n                && this._max === null) {\n            this.setStepSize(1);\n            this.setMin(0);\n            this.setMax(labels.length - 1);\n        }\n    };\n\n    /**\n     * Set the maximum value on the axis.\n     *\n     * When this is not set (or set to null) it is left for the output\n     * library to best guess what should be used.\n     *\n     * @method setMax\n     * @param {Number} max The value.\n     */\n    Axis.prototype.setMax = function(max) {\n        this._max = typeof max !== 'undefined' ? max : null;\n    };\n\n    /**\n     * Set the minimum value on the axis.\n     *\n     * When this is not set (or set to null) it is left for the output\n     * library to best guess what should be used.\n     *\n     * @method setMin\n     * @param {Number} min The value.\n     */\n    Axis.prototype.setMin = function(min) {\n        this._min = typeof min !== 'undefined' ? min : null;\n    };\n\n    /**\n     * Set the position of the axis.\n     *\n     * This does not validate whether or not the constant used is valid\n     * as the axis itself is not aware whether it represents the X or Y axis.\n     *\n     * The output library has to have a fallback in case the values are incorrect.\n     * When this is not set to {@link module:core/chart_axis#POS_DEFAULT} it is up\n     * to the output library to choose what position fits best.\n     *\n     * @method setPosition\n     * @param {String} position The value.\n     */\n    Axis.prototype.setPosition = function(position) {\n        if (position != this.POS_DEFAULT\n                && position != this.POS_BOTTOM\n                && position != this.POS_LEFT\n                && position != this.POS_RIGHT\n                && position != this.POS_TOP) {\n            throw new Error('Invalid axis position.');\n        }\n        this._position = position;\n    };\n\n    /**\n     * Set the stepSize on the axis.\n     *\n     * This is used to determine where ticks are displayed on the axis between min and max.\n     *\n     * @method setStepSize\n     * @param {Number} stepSize The value.\n     */\n    Axis.prototype.setStepSize = function(stepSize) {\n        if (typeof stepSize === 'undefined' || stepSize === null) {\n            stepSize = null;\n        } else if (isNaN(Number(stepSize))) {\n            throw new Error('Value for stepSize is not a number.');\n        } else {\n            stepSize = Number(stepSize);\n        }\n\n        this._stepSize = stepSize;\n    };\n\n    return Axis;\n\n});\n"],"names":["define","Axis","prototype","POS_DEFAULT","POS_BOTTOM","POS_LEFT","POS_RIGHT","POS_TOP","_label","_labels","_max","_min","_position","_stepSize","create","obj","s","setPosition","position","setLabel","label","setStepSize","stepSize","setMax","max","setMin","min","setLabels","labels","getLabel","this","getLabels","getMax","getMin","getPosition","getStepSize","length","Error","isNaN","Number"],"mappings":";;;;;;;;AAuBAA,yBAAO,IAAI,oBAUEC,eAQTA,KAAKC,UAAUC,YAAc,KAM7BF,KAAKC,UAAUE,WAAa,SAM5BH,KAAKC,UAAUG,SAAW,OAM1BJ,KAAKC,UAAUI,UAAY,QAM3BL,KAAKC,UAAUK,QAAU,MAOzBN,KAAKC,UAAUM,OAAS,KAOxBP,KAAKC,UAAUO,QAAU,KAOzBR,KAAKC,UAAUQ,KAAO,KAOtBT,KAAKC,UAAUS,KAAO,KAOtBV,KAAKC,UAAUU,UAAY,KAO3BX,KAAKC,UAAUW,UAAY,KAU3BZ,KAAKC,UAAUY,OAAS,SAASC,SACzBC,EAAI,IAAIf,YACZe,EAAEC,YAAYF,IAAIG,UAClBF,EAAEG,SAASJ,IAAIK,OACfJ,EAAEK,YAAYN,IAAIO,UAClBN,EAAEO,OAAOR,IAAIS,KACbR,EAAES,OAAOV,IAAIW,KACbV,EAAEW,UAAUZ,IAAIa,QACTZ,GASXf,KAAKC,UAAU2B,SAAW,kBACfC,KAAKtB,QAShBP,KAAKC,UAAU6B,UAAY,kBAChBD,KAAKrB,SAShBR,KAAKC,UAAU8B,OAAS,kBACbF,KAAKpB,MAShBT,KAAKC,UAAU+B,OAAS,kBACbH,KAAKnB,MAShBV,KAAKC,UAAUgC,YAAc,kBAClBJ,KAAKlB,WAShBX,KAAKC,UAAUiC,YAAc,kBAClBL,KAAKjB,WAShBZ,KAAKC,UAAUiB,SAAW,SAASC,YAC1BZ,OAASY,OAAS,MAiB3BnB,KAAKC,UAAUyB,UAAY,SAASC,aAC3BnB,QAAUmB,QAAU,KAGJ,OAAjBE,KAAKrB,SACqB,OAAnBqB,KAAKjB,WACU,OAAdiB,KAAKnB,MAA+B,IAAdmB,KAAKnB,MACd,OAAdmB,KAAKpB,YACPW,YAAY,QACZI,OAAO,QACPF,OAAOK,OAAOQ,OAAS,KAapCnC,KAAKC,UAAUqB,OAAS,SAASC,UACxBd,UAAsB,IAARc,IAAsBA,IAAM,MAYnDvB,KAAKC,UAAUuB,OAAS,SAASC,UACxBf,UAAsB,IAARe,IAAsBA,IAAM,MAgBnDzB,KAAKC,UAAUe,YAAc,SAASC,aAC9BA,UAAYY,KAAK3B,aACVe,UAAYY,KAAK1B,YACjBc,UAAYY,KAAKzB,UACjBa,UAAYY,KAAKxB,WACjBY,UAAYY,KAAKvB,cAClB,IAAI8B,MAAM,+BAEfzB,UAAYM,UAWrBjB,KAAKC,UAAUmB,YAAc,SAASC,aAC9B,MAAOA,SACPA,SAAW,SACR,CAAA,GAAIgB,MAAMC,OAAOjB,iBACd,IAAIe,MAAM,uCAEhBf,SAAWiB,OAAOjB,eAGjBT,UAAYS,UAGdrB"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_bar.min.js b/lib/amd/build/chart_bar.min.js
index a7f9a29168e..9aabcd8516c 100644
--- a/lib/amd/build/chart_bar.min.js
+++ b/lib/amd/build/chart_bar.min.js
@@ -1,2 +1,11 @@
-define ("core/chart_bar",["core/chart_base"],function(a){function b(){a.prototype.constructor.apply(this,arguments)}b.prototype=Object.create(a.prototype);b.prototype._horizontal=!1;b.prototype._stacked=!1;b.prototype.TYPE="bar";b.prototype.create=function(b,c){var d=a.prototype.create.apply(this,arguments);d.setHorizontal(c.horizontal);d.setStacked(c.stacked);return d};b.prototype._setDefaults=function(){a.prototype._setDefaults.apply(this,arguments);var b=this.getYAxis(0,!0);b.setMin(0)};b.prototype.getHorizontal=function(){return this._horizontal};b.prototype.getStacked=function(){return this._stacked};b.prototype.setHorizontal=function(a){var b=this.getXAxis(0,!0);if(null===b.getMin()){b.setMin(0)}this._horizontal=!!a};b.prototype.setStacked=function(a){this._stacked=!!a};return b});
-//# sourceMappingURL=chart_bar.min.js.map
+/**
+ * Chart bar.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_bar
+ */
+define("core/chart_bar",["core/chart_base"],(function(Base){function Bar(){Base.prototype.constructor.apply(this,arguments)}return Bar.prototype=Object.create(Base.prototype),Bar.prototype._horizontal=!1,Bar.prototype._stacked=!1,Bar.prototype.TYPE="bar",Bar.prototype.create=function(Klass,data){var chart=Base.prototype.create.apply(this,arguments);return chart.setHorizontal(data.horizontal),chart.setStacked(data.stacked),chart},Bar.prototype._setDefaults=function(){Base.prototype._setDefaults.apply(this,arguments);var axis=this.getYAxis(0,!0);axis.setMin(0)},Bar.prototype.getHorizontal=function(){return this._horizontal},Bar.prototype.getStacked=function(){return this._stacked},Bar.prototype.setHorizontal=function(horizontal){var axis=this.getXAxis(0,!0);null===axis.getMin()&&axis.setMin(0),this._horizontal=Boolean(horizontal)},Bar.prototype.setStacked=function(stacked){this._stacked=Boolean(stacked)},Bar}));
+
+//# sourceMappingURL=chart_bar.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_bar.min.js.map b/lib/amd/build/chart_bar.min.js.map
index 2db8f63d26b..9d55f25a114 100644
--- a/lib/amd/build/chart_bar.min.js.map
+++ b/lib/amd/build/chart_bar.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/chart_bar.js"],"names":["define","Base","Bar","prototype","constructor","apply","arguments","Object","create","_horizontal","_stacked","TYPE","Klass","data","chart","setHorizontal","horizontal","setStacked","stacked","_setDefaults","axis","getYAxis","setMin","getHorizontal","getStacked","getXAxis","getMin"],"mappings":"AAuBAA,OAAM,kBAAC,CAAC,iBAAD,CAAD,CAAsB,SAASC,CAAT,CAAe,CASvC,QAASC,CAAAA,CAAT,EAAe,CACXD,CAAI,CAACE,SAAL,CAAeC,WAAf,CAA2BC,KAA3B,CAAiC,IAAjC,CAAuCC,SAAvC,CACH,CACDJ,CAAG,CAACC,SAAJ,CAAgBI,MAAM,CAACC,MAAP,CAAcP,CAAI,CAACE,SAAnB,CAAhB,CAQAD,CAAG,CAACC,SAAJ,CAAcM,WAAd,IAQAP,CAAG,CAACC,SAAJ,CAAcO,QAAd,IAGAR,CAAG,CAACC,SAAJ,CAAcQ,IAAd,CAAqB,KAArB,CAGAT,CAAG,CAACC,SAAJ,CAAcK,MAAd,CAAuB,SAASI,CAAT,CAAgBC,CAAhB,CAAsB,CACzC,GAAIC,CAAAA,CAAK,CAAGb,CAAI,CAACE,SAAL,CAAeK,MAAf,CAAsBH,KAAtB,CAA4B,IAA5B,CAAkCC,SAAlC,CAAZ,CACAQ,CAAK,CAACC,aAAN,CAAoBF,CAAI,CAACG,UAAzB,EACAF,CAAK,CAACG,UAAN,CAAiBJ,CAAI,CAACK,OAAtB,EACA,MAAOJ,CAAAA,CACV,CALD,CAQAZ,CAAG,CAACC,SAAJ,CAAcgB,YAAd,CAA6B,UAAW,CACpClB,CAAI,CAACE,SAAL,CAAegB,YAAf,CAA4Bd,KAA5B,CAAkC,IAAlC,CAAwCC,SAAxC,EACA,GAAIc,CAAAA,CAAI,CAAG,KAAKC,QAAL,CAAc,CAAd,IAAX,CACAD,CAAI,CAACE,MAAL,CAAY,CAAZ,CACH,CAJD,CAWApB,CAAG,CAACC,SAAJ,CAAcoB,aAAd,CAA8B,UAAW,CACrC,MAAO,MAAKd,WACf,CAFD,CASAP,CAAG,CAACC,SAAJ,CAAcqB,UAAd,CAA2B,UAAW,CAClC,MAAO,MAAKd,QACf,CAFD,CAWAR,CAAG,CAACC,SAAJ,CAAcY,aAAd,CAA8B,SAASC,CAAT,CAAqB,CAC/C,GAAII,CAAAA,CAAI,CAAG,KAAKK,QAAL,CAAc,CAAd,IAAX,CACA,GAAsB,IAAlB,GAAAL,CAAI,CAACM,MAAL,EAAJ,CAA4B,CACxBN,CAAI,CAACE,MAAL,CAAY,CAAZ,CACH,CACD,KAAKb,WAAL,GAA2BO,CAC9B,CAND,CAcAd,CAAG,CAACC,SAAJ,CAAcc,UAAd,CAA2B,SAASC,CAAT,CAAkB,CACzC,KAAKR,QAAL,GAAwBQ,CAC3B,CAFD,CAIA,MAAOhB,CAAAA,CAEV,CA7FK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart bar.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_bar\n */\ndefine(['core/chart_base'], function(Base) {\n\n    /**\n     * Bar chart.\n     *\n     * @alias module:core/chart_bar\n     * @extends {module:core/chart_base}\n     * @class\n     */\n    function Bar() {\n        Base.prototype.constructor.apply(this, arguments);\n    }\n    Bar.prototype = Object.create(Base.prototype);\n\n    /**\n     * Whether the bars should be displayed horizontally or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Bar.prototype._horizontal = false;\n\n    /**\n     * Whether the bars should be stacked or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Bar.prototype._stacked = false;\n\n    /** @override */\n    Bar.prototype.TYPE = 'bar';\n\n    /** @override */\n    Bar.prototype.create = function(Klass, data) {\n        var chart = Base.prototype.create.apply(this, arguments);\n        chart.setHorizontal(data.horizontal);\n        chart.setStacked(data.stacked);\n        return chart;\n    };\n\n    /** @override */\n    Bar.prototype._setDefaults = function() {\n        Base.prototype._setDefaults.apply(this, arguments);\n        var axis = this.getYAxis(0, true);\n        axis.setMin(0);\n    };\n\n    /**\n     * Get whether the bars should be displayed horizontally or not.\n     *\n     * @returns {Bool}\n     */\n    Bar.prototype.getHorizontal = function() {\n        return this._horizontal;\n    };\n\n    /**\n     * Get whether the bars should be stacked or not.\n     *\n     * @returns {Bool}\n     */\n    Bar.prototype.getStacked = function() {\n        return this._stacked;\n    };\n\n    /**\n     * Set whether the bars should be displayed horizontally or not.\n     *\n     * It sets the X Axis to zero if the min value is null.\n     *\n     * @param {Bool} horizontal True if the bars should be displayed horizontally, false otherwise.\n     */\n    Bar.prototype.setHorizontal = function(horizontal) {\n        var axis = this.getXAxis(0, true);\n        if (axis.getMin() === null) {\n            axis.setMin(0);\n        }\n        this._horizontal = Boolean(horizontal);\n    };\n\n    /**\n     * Set whether the bars should be stacked or not.\n     *\n     * @method setStacked\n     * @param {Bool} stacked True if the chart should be stacked or false otherwise.\n     */\n    Bar.prototype.setStacked = function(stacked) {\n        this._stacked = Boolean(stacked);\n    };\n\n    return Bar;\n\n});\n"],"file":"chart_bar.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_bar.min.js","sources":["../src/chart_bar.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart bar.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_bar\n */\ndefine(['core/chart_base'], function(Base) {\n\n    /**\n     * Bar chart.\n     *\n     * @alias module:core/chart_bar\n     * @extends {module:core/chart_base}\n     * @class\n     */\n    function Bar() {\n        Base.prototype.constructor.apply(this, arguments);\n    }\n    Bar.prototype = Object.create(Base.prototype);\n\n    /**\n     * Whether the bars should be displayed horizontally or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Bar.prototype._horizontal = false;\n\n    /**\n     * Whether the bars should be stacked or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Bar.prototype._stacked = false;\n\n    /** @override */\n    Bar.prototype.TYPE = 'bar';\n\n    /** @override */\n    Bar.prototype.create = function(Klass, data) {\n        var chart = Base.prototype.create.apply(this, arguments);\n        chart.setHorizontal(data.horizontal);\n        chart.setStacked(data.stacked);\n        return chart;\n    };\n\n    /** @override */\n    Bar.prototype._setDefaults = function() {\n        Base.prototype._setDefaults.apply(this, arguments);\n        var axis = this.getYAxis(0, true);\n        axis.setMin(0);\n    };\n\n    /**\n     * Get whether the bars should be displayed horizontally or not.\n     *\n     * @returns {Bool}\n     */\n    Bar.prototype.getHorizontal = function() {\n        return this._horizontal;\n    };\n\n    /**\n     * Get whether the bars should be stacked or not.\n     *\n     * @returns {Bool}\n     */\n    Bar.prototype.getStacked = function() {\n        return this._stacked;\n    };\n\n    /**\n     * Set whether the bars should be displayed horizontally or not.\n     *\n     * It sets the X Axis to zero if the min value is null.\n     *\n     * @param {Bool} horizontal True if the bars should be displayed horizontally, false otherwise.\n     */\n    Bar.prototype.setHorizontal = function(horizontal) {\n        var axis = this.getXAxis(0, true);\n        if (axis.getMin() === null) {\n            axis.setMin(0);\n        }\n        this._horizontal = Boolean(horizontal);\n    };\n\n    /**\n     * Set whether the bars should be stacked or not.\n     *\n     * @method setStacked\n     * @param {Bool} stacked True if the chart should be stacked or false otherwise.\n     */\n    Bar.prototype.setStacked = function(stacked) {\n        this._stacked = Boolean(stacked);\n    };\n\n    return Bar;\n\n});\n"],"names":["define","Base","Bar","prototype","constructor","apply","this","arguments","Object","create","_horizontal","_stacked","TYPE","Klass","data","chart","setHorizontal","horizontal","setStacked","stacked","_setDefaults","axis","getYAxis","setMin","getHorizontal","getStacked","getXAxis","getMin","Boolean"],"mappings":";;;;;;;;AAuBAA,wBAAO,CAAC,oBAAoB,SAASC,eASxBC,MACLD,KAAKE,UAAUC,YAAYC,MAAMC,KAAMC,kBAE3CL,IAAIC,UAAYK,OAAOC,OAAOR,KAAKE,WAQnCD,IAAIC,UAAUO,aAAc,EAQ5BR,IAAIC,UAAUQ,UAAW,EAGzBT,IAAIC,UAAUS,KAAO,MAGrBV,IAAIC,UAAUM,OAAS,SAASI,MAAOC,UAC/BC,MAAQd,KAAKE,UAAUM,OAAOJ,MAAMC,KAAMC,kBAC9CQ,MAAMC,cAAcF,KAAKG,YACzBF,MAAMG,WAAWJ,KAAKK,SACfJ,OAIXb,IAAIC,UAAUiB,aAAe,WACzBnB,KAAKE,UAAUiB,aAAaf,MAAMC,KAAMC,eACpCc,KAAOf,KAAKgB,SAAS,GAAG,GAC5BD,KAAKE,OAAO,IAQhBrB,IAAIC,UAAUqB,cAAgB,kBACnBlB,KAAKI,aAQhBR,IAAIC,UAAUsB,WAAa,kBAChBnB,KAAKK,UAUhBT,IAAIC,UAAUa,cAAgB,SAASC,gBAC/BI,KAAOf,KAAKoB,SAAS,GAAG,GACN,OAAlBL,KAAKM,UACLN,KAAKE,OAAO,QAEXb,YAAckB,QAAQX,aAS/Bf,IAAIC,UAAUe,WAAa,SAASC,cAC3BR,SAAWiB,QAAQT,UAGrBjB"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_base.min.js b/lib/amd/build/chart_base.min.js
index 27bbfae76ad..358f8ebb488 100644
--- a/lib/amd/build/chart_base.min.js
+++ b/lib/amd/build/chart_base.min.js
@@ -1,2 +1,11 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/chart_base",["core/chart_series","core/chart_axis"],function(a,b){function c(){this._series=[];this._labels=[];this._xaxes=[];this._yaxes=[];this._setDefaults()}c.prototype._series=null;c.prototype._labels=null;c.prototype._legendOptions=null;c.prototype._title=null;c.prototype._xaxes=null;c.prototype._yaxes=null;c.prototype.COLORSET=["#f3c300","#875692","#f38400","#a1caf1","#be0032","#c2b280","#7f180d","#008856","#e68fac","#0067a5"];c.prototype._configColorSet=null;c.prototype.TYPE=null;c.prototype.addSeries=function(a){this._validateSeries(a);this._series.push(a);if(null===a.getColor()){var b=this.getConfigColorSet()||c.prototype.COLORSET;a.setColor(b[this._series.length%b.length])}};c.prototype.create=function(c,d){var e=new c;e.setConfigColorSet(d.config_colorset);e.setLabels(d.labels);e.setTitle(d.title);if(d.legend_options){e.setLegendOptions(d.legend_options)}d.series.forEach(function(b){e.addSeries(a.prototype.create(b))});d.axes.x.forEach(function(a,c){e.setXAxis(b.prototype.create(a),c)});d.axes.y.forEach(function(a,c){e.setYAxis(b.prototype.create(a),c)});return e};c.prototype.__getAxis=function(a,c,d){var e="x"===a?this._xaxes:this._yaxes,f=("x"===a?this.setXAxis:this.setYAxis).bind(this),g;c="undefined"==typeof c?0:c;d="undefined"==typeof d?!1:d;g=e[c];if("undefined"==typeof g){if(!d){throw new Error("Unknown axis.")}g=new b;f(g,c)}return g};c.prototype.getConfigColorSet=function(){return this._configColorSet};c.prototype.getLabels=function(){return this._labels};c.prototype.getLegendOptions=function(){return this._legendOptions};c.prototype.getSeries=function(){return this._series};c.prototype.getTitle=function(){return this._title};c.prototype.getType=function(){if(!this.TYPE){throw new Error("The TYPE property has not been set.")}return this.TYPE};c.prototype.getXAxes=function(){return this._xaxes};c.prototype.getXAxis=function(a,b){return this.__getAxis("x",a,b)};c.prototype.getYAxes=function(){return this._yaxes};c.prototype.getYAxis=function(a,b){return this.__getAxis("y",a,b)};c.prototype.setConfigColorSet=function(a){this._configColorSet=a};c.prototype._setDefaults=function(){};c.prototype.setLabels=function(a){if(a.length&&this._series.length&&this._series[0].length!=a.length){throw new Error("Series must match label values.")}this._labels=a};c.prototype.setLegendOptions=function(a){if("object"!==_typeof(a)){throw new Error("Setting legend with non-object value:"+a)}this._legendOptions=a};c.prototype.setTitle=function(a){this._title=a};c.prototype.setXAxis=function(a,b){b="undefined"==typeof b?0:b;this._validateAxis("x",a,b);this._xaxes[b]=a};c.prototype.setYAxis=function(a,b){b="undefined"==typeof b?0:b;this._validateAxis("y",a,b);this._yaxes[b]=a};c.prototype._validateAxis=function(a,b,c){c="undefined"==typeof c?0:c;if(0<c){var d="x"==a?this._xaxes:this._yaxes;if("undefined"==typeof d[c-1]){throw new Error("Missing "+a+" axis at index lower than "+c)}}};c.prototype._validateSeries=function(a){if(this._series.length&&this._series[0].getCount()!=a.getCount()){throw new Error("Series do not have an equal number of values.")}else if(this._labels.length&&this._labels.length!=a.getCount()){throw new Error("Series must match label values.")}};return c});
-//# sourceMappingURL=chart_base.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * Chart base.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_base
+ */}define("core/chart_base",["core/chart_series","core/chart_axis"],(function(Series,Axis){function Base(){this._series=[],this._labels=[],this._xaxes=[],this._yaxes=[],this._setDefaults()}return Base.prototype._series=null,Base.prototype._labels=null,Base.prototype._legendOptions=null,Base.prototype._title=null,Base.prototype._xaxes=null,Base.prototype._yaxes=null,Base.prototype.COLORSET=["#f3c300","#875692","#f38400","#a1caf1","#be0032","#c2b280","#7f180d","#008856","#e68fac","#0067a5"],Base.prototype._configColorSet=null,Base.prototype.TYPE=null,Base.prototype.addSeries=function(series){if(this._validateSeries(series),this._series.push(series),null===series.getColor()){var configColorSet=this.getConfigColorSet()||Base.prototype.COLORSET;series.setColor(configColorSet[this._series.length%configColorSet.length])}},Base.prototype.create=function(Klass,data){var Chart=new Klass;return Chart.setConfigColorSet(data.config_colorset),Chart.setLabels(data.labels),Chart.setTitle(data.title),data.legend_options&&Chart.setLegendOptions(data.legend_options),data.series.forEach((function(seriesData){Chart.addSeries(Series.prototype.create(seriesData))})),data.axes.x.forEach((function(axisData,i){Chart.setXAxis(Axis.prototype.create(axisData),i)})),data.axes.y.forEach((function(axisData,i){Chart.setYAxis(Axis.prototype.create(axisData),i)})),Chart},Base.prototype.__getAxis=function(xy,index,createIfNotExists){var axis,axes="x"===xy?this._xaxes:this._yaxes,setAxis=("x"===xy?this.setXAxis:this.setYAxis).bind(this);if(createIfNotExists=void 0!==createIfNotExists&&createIfNotExists,void 0===(axis=axes[index=void 0===index?0:index])){if(!createIfNotExists)throw new Error("Unknown axis.");setAxis(axis=new Axis,index)}return axis},Base.prototype.getConfigColorSet=function(){return this._configColorSet},Base.prototype.getLabels=function(){return this._labels},Base.prototype.getLegendOptions=function(){return this._legendOptions},Base.prototype.getSeries=function(){return this._series},Base.prototype.getTitle=function(){return this._title},Base.prototype.getType=function(){if(!this.TYPE)throw new Error("The TYPE property has not been set.");return this.TYPE},Base.prototype.getXAxes=function(){return this._xaxes},Base.prototype.getXAxis=function(index,createIfNotExists){return this.__getAxis("x",index,createIfNotExists)},Base.prototype.getYAxes=function(){return this._yaxes},Base.prototype.getYAxis=function(index,createIfNotExists){return this.__getAxis("y",index,createIfNotExists)},Base.prototype.setConfigColorSet=function(colorset){this._configColorSet=colorset},Base.prototype._setDefaults=function(){},Base.prototype.setLabels=function(labels){if(labels.length&&this._series.length&&this._series[0].length!=labels.length)throw new Error("Series must match label values.");this._labels=labels},Base.prototype.setLegendOptions=function(legendOptions){if("object"!==_typeof(legendOptions))throw new Error("Setting legend with non-object value:"+legendOptions);this._legendOptions=legendOptions},Base.prototype.setTitle=function(title){this._title=title},Base.prototype.setXAxis=function(axis,index){index=void 0===index?0:index,this._validateAxis("x",axis,index),this._xaxes[index]=axis},Base.prototype.setYAxis=function(axis,index){index=void 0===index?0:index,this._validateAxis("y",axis,index),this._yaxes[index]=axis},Base.prototype._validateAxis=function(xy,axis,index){if((index=void 0===index?0:index)>0&&void 0===("x"==xy?this._xaxes:this._yaxes)[index-1])throw new Error("Missing "+xy+" axis at index lower than "+index)},Base.prototype._validateSeries=function(series){if(this._series.length&&this._series[0].getCount()!=series.getCount())throw new Error("Series do not have an equal number of values.");if(this._labels.length&&this._labels.length!=series.getCount())throw new Error("Series must match label values.")},Base}));
+
+//# sourceMappingURL=chart_base.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_base.min.js.map b/lib/amd/build/chart_base.min.js.map
index 1dcf442b05f..51ce567389e 100644
--- a/lib/amd/build/chart_base.min.js.map
+++ b/lib/amd/build/chart_base.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart base.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_base\n */\ndefine(['core/chart_series', 'core/chart_axis'], function(Series, Axis) {\n\n    /**\n     * Chart base.\n     *\n     * The constructor of a chart must never take any argument.\n     *\n     * {@link module:core/chart_base#_setDefault} to set the defaults on instantiation.\n     *\n     * @alias module:core/chart_base\n     * @class\n     */\n    function Base() {\n        this._series = [];\n        this._labels = [];\n        this._xaxes = [];\n        this._yaxes = [];\n\n        this._setDefaults();\n    }\n\n    /**\n     * The series constituting this chart.\n     *\n     * @protected\n     * @type {module:core/chart_series[]}\n     */\n    Base.prototype._series = null;\n\n    /**\n     * The labels of the X axis when categorised.\n     *\n     * @protected\n     * @type {String[]}\n     */\n    Base.prototype._labels = null;\n\n    /**\n     * Options for chart legend display.\n     *\n     * @protected\n     * @type {Object}\n     */\n    Base.prototype._legendOptions = null;\n\n    /**\n     * The title of the chart.\n     *\n     * @protected\n     * @type {String}\n     */\n    Base.prototype._title = null;\n\n    /**\n     * The X axes.\n     *\n     * @protected\n     * @type {module:core/chart_axis[]}\n     */\n    Base.prototype._xaxes = null;\n\n    /**\n     * The Y axes.\n     *\n     * @protected\n     * @type {module:core/chart_axis[]}\n     */\n    Base.prototype._yaxes = null;\n\n    /**\n     * Colours to pick from when automatically assigning them.\n     *\n     * @const\n     * @type {String[]}\n     */\n    Base.prototype.COLORSET = ['#f3c300', '#875692', '#f38400', '#a1caf1', '#be0032', '#c2b280', '#7f180d', '#008856',\n            '#e68fac', '#0067a5'];\n\n    /**\n     * Set of colours defined by setting $CFG->chart_colorset to be picked when automatically assigning them.\n     *\n     * @type {String[]}\n     * @protected\n     */\n    Base.prototype._configColorSet = null;\n\n    /**\n     * The type of chart.\n     *\n     * @abstract\n     * @type {String}\n     * @const\n     */\n    Base.prototype.TYPE = null;\n\n    /**\n     * Add a series to the chart.\n     *\n     * This will automatically assign a color to the series if it does not have one.\n     *\n     * @param {module:core/chart_series} series The series to add.\n     */\n    Base.prototype.addSeries = function(series) {\n        this._validateSeries(series);\n        this._series.push(series);\n\n        // Give a default color from the set.\n        if (series.getColor() === null) {\n            var configColorSet = this.getConfigColorSet() || Base.prototype.COLORSET;\n            series.setColor(configColorSet[this._series.length % configColorSet.length]);\n        }\n    };\n\n    /**\n     * Create a new instance of a chart from serialised data.\n     *\n     * the serialised attributes they offer and support.\n     *\n     * @static\n     * @method create\n     * @param {module:core/chart_base} Klass The class oject representing the type of chart to instantiate.\n     * @param {Object} data The data of the chart.\n     * @return {module:core/chart_base}\n     */\n    Base.prototype.create = function(Klass, data) {\n        // TODO Not convinced about the usage of Klass here but I can't figure out a way\n        // to have a reference to the class in the sub classes, in PHP I'd do new self().\n        var Chart = new Klass();\n        Chart.setConfigColorSet(data.config_colorset);\n        Chart.setLabels(data.labels);\n        Chart.setTitle(data.title);\n        if (data.legend_options) {\n            Chart.setLegendOptions(data.legend_options);\n        }\n        data.series.forEach(function(seriesData) {\n            Chart.addSeries(Series.prototype.create(seriesData));\n        });\n        data.axes.x.forEach(function(axisData, i) {\n            Chart.setXAxis(Axis.prototype.create(axisData), i);\n        });\n        data.axes.y.forEach(function(axisData, i) {\n            Chart.setYAxis(Axis.prototype.create(axisData), i);\n        });\n        return Chart;\n    };\n\n    /**\n     * Get an axis.\n     *\n     * @private\n     * @param {String} xy Accepts the values 'x' or 'y'.\n     * @param {Number} [index=0] The index of the axis of its type.\n     * @param {Bool} [createIfNotExists=false] When true, create an instance if it does not exist.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.__getAxis = function(xy, index, createIfNotExists) {\n        var axes = xy === 'x' ? this._xaxes : this._yaxes,\n            setAxis = (xy === 'x' ? this.setXAxis : this.setYAxis).bind(this),\n            axis;\n\n        index = typeof index === 'undefined' ? 0 : index;\n        createIfNotExists = typeof createIfNotExists === 'undefined' ? false : createIfNotExists;\n        axis = axes[index];\n\n        if (typeof axis === 'undefined') {\n            if (!createIfNotExists) {\n                throw new Error('Unknown axis.');\n            }\n            axis = new Axis();\n            setAxis(axis, index);\n        }\n\n        return axis;\n    };\n\n    /**\n     * Get colours defined by setting.\n     *\n     * @return {String[]}\n     */\n    Base.prototype.getConfigColorSet = function() {\n        return this._configColorSet;\n    };\n\n    /**\n     * Get the labels of the X axis.\n     *\n     * @return {String[]}\n     */\n    Base.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get whether to display the chart legend.\n     *\n     * @return {Bool}\n     */\n    Base.prototype.getLegendOptions = function() {\n        return this._legendOptions;\n    };\n\n    /**\n     * Get the series.\n     *\n     * @return {module:core/chart_series[]}\n     */\n    Base.prototype.getSeries = function() {\n        return this._series;\n    };\n\n    /**\n     * Get the title of the chart.\n     *\n     * @return {String}\n     */\n    Base.prototype.getTitle = function() {\n        return this._title;\n    };\n\n    /**\n     * Get the type of chart.\n     *\n     * @see module:core/chart_base#TYPE\n     * @return {String}\n     */\n    Base.prototype.getType = function() {\n        if (!this.TYPE) {\n            throw new Error('The TYPE property has not been set.');\n        }\n        return this.TYPE;\n    };\n\n    /**\n     * Get the X axes.\n     *\n     * @return {module:core/chart_axis[]}\n     */\n    Base.prototype.getXAxes = function() {\n        return this._xaxes;\n    };\n\n    /**\n     * Get an X axis.\n     *\n     * @param {Number} [index=0] The index of the axis.\n     * @param {Bool} [createIfNotExists=false] Create the instance of it does not exist at index.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.getXAxis = function(index, createIfNotExists) {\n        return this.__getAxis('x', index, createIfNotExists);\n    };\n\n    /**\n     * Get the Y axes.\n     *\n     * @return {module:core/chart_axis[]}\n     */\n    Base.prototype.getYAxes = function() {\n        return this._yaxes;\n    };\n\n    /**\n     * Get an Y axis.\n     *\n     * @param {Number} [index=0] The index of the axis.\n     * @param {Bool} [createIfNotExists=false] Create the instance of it does not exist at index.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.getYAxis = function(index, createIfNotExists) {\n        return this.__getAxis('y', index, createIfNotExists);\n    };\n\n    /**\n     * Set colours defined by setting.\n     *\n     * @param {String[]} colorset An array of css colours.\n     * @protected\n     */\n    Base.prototype.setConfigColorSet = function(colorset) {\n        this._configColorSet = colorset;\n    };\n\n    /**\n     * Set the defaults for this chart type.\n     *\n     * Child classes can extend this to set defaults values on instantiation.\n     *\n     * emphasize and self-document the defaults values set by the chart type.\n     *\n     * @protected\n     */\n    Base.prototype._setDefaults = function() {\n        // For the children to extend.\n    };\n\n    /**\n     * Set the labels of the X axis.\n     *\n     * This requires for each series to contain strictly as many values as there\n     * are labels.\n     *\n     * @param {String[]} labels The labels.\n     */\n    Base.prototype.setLabels = function(labels) {\n        if (labels.length && this._series.length && this._series[0].length != labels.length) {\n            throw new Error('Series must match label values.');\n        }\n        this._labels = labels;\n    };\n\n    /**\n     * Set options for chart legend display.\n     *\n     * @param {Object} legendOptions\n     */\n    Base.prototype.setLegendOptions = function(legendOptions) {\n        if (typeof legendOptions !== 'object') {\n            throw new Error('Setting legend with non-object value:' + legendOptions);\n        }\n        this._legendOptions = legendOptions;\n    };\n\n    /**\n     * Set the title of the chart.\n     *\n     * @param {String} title The title.\n     */\n    Base.prototype.setTitle = function(title) {\n        this._title = title;\n    };\n\n    /**\n     * Set an X axis.\n     *\n     * Note that this will override any predefined axis without warning.\n     *\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype.setXAxis = function(axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        this._validateAxis('x', axis, index);\n        this._xaxes[index] = axis;\n    };\n\n    /**\n     * Set a Y axis.\n     *\n     * Note that this will override any predefined axis without warning.\n     *\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype.setYAxis = function(axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        this._validateAxis('y', axis, index);\n        this._yaxes[index] = axis;\n    };\n\n    /**\n     * Validate an axis.\n     *\n     * @protected\n     * @param {String} xy X or Y axis.\n     * @param {module:core/chart_axis} axis The axis to validate.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype._validateAxis = function(xy, axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        if (index > 0) {\n            var axes = xy == 'x' ? this._xaxes : this._yaxes;\n            if (typeof axes[index - 1] === 'undefined') {\n                throw new Error('Missing ' + xy + ' axis at index lower than ' + index);\n            }\n        }\n    };\n\n    /**\n     * Validate a series.\n     *\n     * @protected\n     * @param {module:core/chart_series} series The series to validate.\n     */\n    Base.prototype._validateSeries = function(series) {\n        if (this._series.length && this._series[0].getCount() != series.getCount()) {\n            throw new Error('Series do not have an equal number of values.');\n\n        } else if (this._labels.length && this._labels.length != series.getCount()) {\n            throw new Error('Series must match label values.');\n        }\n    };\n\n    return Base;\n\n});\n"],"file":"chart_base.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_base.min.js","sources":["../src/chart_base.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart base.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_base\n */\ndefine(['core/chart_series', 'core/chart_axis'], function(Series, Axis) {\n\n    /**\n     * Chart base.\n     *\n     * The constructor of a chart must never take any argument.\n     *\n     * {@link module:core/chart_base#_setDefault} to set the defaults on instantiation.\n     *\n     * @alias module:core/chart_base\n     * @class\n     */\n    function Base() {\n        this._series = [];\n        this._labels = [];\n        this._xaxes = [];\n        this._yaxes = [];\n\n        this._setDefaults();\n    }\n\n    /**\n     * The series constituting this chart.\n     *\n     * @protected\n     * @type {module:core/chart_series[]}\n     */\n    Base.prototype._series = null;\n\n    /**\n     * The labels of the X axis when categorised.\n     *\n     * @protected\n     * @type {String[]}\n     */\n    Base.prototype._labels = null;\n\n    /**\n     * Options for chart legend display.\n     *\n     * @protected\n     * @type {Object}\n     */\n    Base.prototype._legendOptions = null;\n\n    /**\n     * The title of the chart.\n     *\n     * @protected\n     * @type {String}\n     */\n    Base.prototype._title = null;\n\n    /**\n     * The X axes.\n     *\n     * @protected\n     * @type {module:core/chart_axis[]}\n     */\n    Base.prototype._xaxes = null;\n\n    /**\n     * The Y axes.\n     *\n     * @protected\n     * @type {module:core/chart_axis[]}\n     */\n    Base.prototype._yaxes = null;\n\n    /**\n     * Colours to pick from when automatically assigning them.\n     *\n     * @const\n     * @type {String[]}\n     */\n    Base.prototype.COLORSET = ['#f3c300', '#875692', '#f38400', '#a1caf1', '#be0032', '#c2b280', '#7f180d', '#008856',\n            '#e68fac', '#0067a5'];\n\n    /**\n     * Set of colours defined by setting $CFG->chart_colorset to be picked when automatically assigning them.\n     *\n     * @type {String[]}\n     * @protected\n     */\n    Base.prototype._configColorSet = null;\n\n    /**\n     * The type of chart.\n     *\n     * @abstract\n     * @type {String}\n     * @const\n     */\n    Base.prototype.TYPE = null;\n\n    /**\n     * Add a series to the chart.\n     *\n     * This will automatically assign a color to the series if it does not have one.\n     *\n     * @param {module:core/chart_series} series The series to add.\n     */\n    Base.prototype.addSeries = function(series) {\n        this._validateSeries(series);\n        this._series.push(series);\n\n        // Give a default color from the set.\n        if (series.getColor() === null) {\n            var configColorSet = this.getConfigColorSet() || Base.prototype.COLORSET;\n            series.setColor(configColorSet[this._series.length % configColorSet.length]);\n        }\n    };\n\n    /**\n     * Create a new instance of a chart from serialised data.\n     *\n     * the serialised attributes they offer and support.\n     *\n     * @static\n     * @method create\n     * @param {module:core/chart_base} Klass The class oject representing the type of chart to instantiate.\n     * @param {Object} data The data of the chart.\n     * @return {module:core/chart_base}\n     */\n    Base.prototype.create = function(Klass, data) {\n        // TODO Not convinced about the usage of Klass here but I can't figure out a way\n        // to have a reference to the class in the sub classes, in PHP I'd do new self().\n        var Chart = new Klass();\n        Chart.setConfigColorSet(data.config_colorset);\n        Chart.setLabels(data.labels);\n        Chart.setTitle(data.title);\n        if (data.legend_options) {\n            Chart.setLegendOptions(data.legend_options);\n        }\n        data.series.forEach(function(seriesData) {\n            Chart.addSeries(Series.prototype.create(seriesData));\n        });\n        data.axes.x.forEach(function(axisData, i) {\n            Chart.setXAxis(Axis.prototype.create(axisData), i);\n        });\n        data.axes.y.forEach(function(axisData, i) {\n            Chart.setYAxis(Axis.prototype.create(axisData), i);\n        });\n        return Chart;\n    };\n\n    /**\n     * Get an axis.\n     *\n     * @private\n     * @param {String} xy Accepts the values 'x' or 'y'.\n     * @param {Number} [index=0] The index of the axis of its type.\n     * @param {Bool} [createIfNotExists=false] When true, create an instance if it does not exist.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.__getAxis = function(xy, index, createIfNotExists) {\n        var axes = xy === 'x' ? this._xaxes : this._yaxes,\n            setAxis = (xy === 'x' ? this.setXAxis : this.setYAxis).bind(this),\n            axis;\n\n        index = typeof index === 'undefined' ? 0 : index;\n        createIfNotExists = typeof createIfNotExists === 'undefined' ? false : createIfNotExists;\n        axis = axes[index];\n\n        if (typeof axis === 'undefined') {\n            if (!createIfNotExists) {\n                throw new Error('Unknown axis.');\n            }\n            axis = new Axis();\n            setAxis(axis, index);\n        }\n\n        return axis;\n    };\n\n    /**\n     * Get colours defined by setting.\n     *\n     * @return {String[]}\n     */\n    Base.prototype.getConfigColorSet = function() {\n        return this._configColorSet;\n    };\n\n    /**\n     * Get the labels of the X axis.\n     *\n     * @return {String[]}\n     */\n    Base.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get whether to display the chart legend.\n     *\n     * @return {Bool}\n     */\n    Base.prototype.getLegendOptions = function() {\n        return this._legendOptions;\n    };\n\n    /**\n     * Get the series.\n     *\n     * @return {module:core/chart_series[]}\n     */\n    Base.prototype.getSeries = function() {\n        return this._series;\n    };\n\n    /**\n     * Get the title of the chart.\n     *\n     * @return {String}\n     */\n    Base.prototype.getTitle = function() {\n        return this._title;\n    };\n\n    /**\n     * Get the type of chart.\n     *\n     * @see module:core/chart_base#TYPE\n     * @return {String}\n     */\n    Base.prototype.getType = function() {\n        if (!this.TYPE) {\n            throw new Error('The TYPE property has not been set.');\n        }\n        return this.TYPE;\n    };\n\n    /**\n     * Get the X axes.\n     *\n     * @return {module:core/chart_axis[]}\n     */\n    Base.prototype.getXAxes = function() {\n        return this._xaxes;\n    };\n\n    /**\n     * Get an X axis.\n     *\n     * @param {Number} [index=0] The index of the axis.\n     * @param {Bool} [createIfNotExists=false] Create the instance of it does not exist at index.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.getXAxis = function(index, createIfNotExists) {\n        return this.__getAxis('x', index, createIfNotExists);\n    };\n\n    /**\n     * Get the Y axes.\n     *\n     * @return {module:core/chart_axis[]}\n     */\n    Base.prototype.getYAxes = function() {\n        return this._yaxes;\n    };\n\n    /**\n     * Get an Y axis.\n     *\n     * @param {Number} [index=0] The index of the axis.\n     * @param {Bool} [createIfNotExists=false] Create the instance of it does not exist at index.\n     * @return {module:core/chart_axis}\n     */\n    Base.prototype.getYAxis = function(index, createIfNotExists) {\n        return this.__getAxis('y', index, createIfNotExists);\n    };\n\n    /**\n     * Set colours defined by setting.\n     *\n     * @param {String[]} colorset An array of css colours.\n     * @protected\n     */\n    Base.prototype.setConfigColorSet = function(colorset) {\n        this._configColorSet = colorset;\n    };\n\n    /**\n     * Set the defaults for this chart type.\n     *\n     * Child classes can extend this to set defaults values on instantiation.\n     *\n     * emphasize and self-document the defaults values set by the chart type.\n     *\n     * @protected\n     */\n    Base.prototype._setDefaults = function() {\n        // For the children to extend.\n    };\n\n    /**\n     * Set the labels of the X axis.\n     *\n     * This requires for each series to contain strictly as many values as there\n     * are labels.\n     *\n     * @param {String[]} labels The labels.\n     */\n    Base.prototype.setLabels = function(labels) {\n        if (labels.length && this._series.length && this._series[0].length != labels.length) {\n            throw new Error('Series must match label values.');\n        }\n        this._labels = labels;\n    };\n\n    /**\n     * Set options for chart legend display.\n     *\n     * @param {Object} legendOptions\n     */\n    Base.prototype.setLegendOptions = function(legendOptions) {\n        if (typeof legendOptions !== 'object') {\n            throw new Error('Setting legend with non-object value:' + legendOptions);\n        }\n        this._legendOptions = legendOptions;\n    };\n\n    /**\n     * Set the title of the chart.\n     *\n     * @param {String} title The title.\n     */\n    Base.prototype.setTitle = function(title) {\n        this._title = title;\n    };\n\n    /**\n     * Set an X axis.\n     *\n     * Note that this will override any predefined axis without warning.\n     *\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype.setXAxis = function(axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        this._validateAxis('x', axis, index);\n        this._xaxes[index] = axis;\n    };\n\n    /**\n     * Set a Y axis.\n     *\n     * Note that this will override any predefined axis without warning.\n     *\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype.setYAxis = function(axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        this._validateAxis('y', axis, index);\n        this._yaxes[index] = axis;\n    };\n\n    /**\n     * Validate an axis.\n     *\n     * @protected\n     * @param {String} xy X or Y axis.\n     * @param {module:core/chart_axis} axis The axis to validate.\n     * @param {Number} [index=0] The index of the axis.\n     */\n    Base.prototype._validateAxis = function(xy, axis, index) {\n        index = typeof index === 'undefined' ? 0 : index;\n        if (index > 0) {\n            var axes = xy == 'x' ? this._xaxes : this._yaxes;\n            if (typeof axes[index - 1] === 'undefined') {\n                throw new Error('Missing ' + xy + ' axis at index lower than ' + index);\n            }\n        }\n    };\n\n    /**\n     * Validate a series.\n     *\n     * @protected\n     * @param {module:core/chart_series} series The series to validate.\n     */\n    Base.prototype._validateSeries = function(series) {\n        if (this._series.length && this._series[0].getCount() != series.getCount()) {\n            throw new Error('Series do not have an equal number of values.');\n\n        } else if (this._labels.length && this._labels.length != series.getCount()) {\n            throw new Error('Series must match label values.');\n        }\n    };\n\n    return 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\ No newline at end of file
diff --git a/lib/amd/build/chart_builder.min.js b/lib/amd/build/chart_builder.min.js
index 2b27c8b0c08..f2efcf26378 100644
--- a/lib/amd/build/chart_builder.min.js
+++ b/lib/amd/build/chart_builder.min.js
@@ -1,2 +1,10 @@
-define ("core/chart_builder",["jquery"],function(a){return{make:function make(b){var c=a.Deferred();require(["core/chart_"+b.type],function(a){var d=a.prototype.create(a,b);c.resolve(d)});return c.promise()}}});
-//# sourceMappingURL=chart_builder.min.js.map
+/**
+ * Chart builder.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/chart_builder",["jquery"],(function($){return{make:function(data){var deferred=$.Deferred();return require(["core/chart_"+data.type],(function(Klass){var instance=Klass.prototype.create(Klass,data);deferred.resolve(instance)})),deferred.promise()}}}));
+
+//# sourceMappingURL=chart_builder.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_builder.min.js.map b/lib/amd/build/chart_builder.min.js.map
index d5d4fd9ec59..4bc8b447143 100644
--- a/lib/amd/build/chart_builder.min.js.map
+++ b/lib/amd/build/chart_builder.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/chart_builder.js"],"names":["define","$","make","data","deferred","Deferred","require","type","Klass","instance","prototype","create","resolve","promise"],"mappings":"AAsBAA,OAAM,sBAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CA4B3B,MArBa,CAWTC,IAAI,CAAE,cAASC,CAAT,CAAe,CACjB,GAAIC,CAAAA,CAAQ,CAAGH,CAAC,CAACI,QAAF,EAAf,CACAC,OAAO,CAAC,CAAC,cAAgBH,CAAI,CAACI,IAAtB,CAAD,CAA8B,SAASC,CAAT,CAAgB,CACjD,GAAIC,CAAAA,CAAQ,CAAGD,CAAK,CAACE,SAAN,CAAgBC,MAAhB,CAAuBH,CAAvB,CAA8BL,CAA9B,CAAf,CACAC,CAAQ,CAACQ,OAAT,CAAiBH,CAAjB,CACH,CAHM,CAAP,CAIA,MAAOL,CAAAA,CAAQ,CAACS,OAAT,EACV,CAlBQ,CAuBhB,CA9BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart builder.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Chart builder.\n     *\n     * @exports core/chart_builder\n     */\n    var module = {\n\n        /**\n         * Make a chart instance.\n         *\n         * This takes data, most likely generated in PHP, and creates a chart instance from it\n         * deferring most of the logic to {@link module:core/chart_base.create}.\n         *\n         * @param {Object} data The data.\n         * @return {Promise} A promise resolved with the chart instance.\n         */\n        make: function(data) {\n            var deferred = $.Deferred();\n            require(['core/chart_' + data.type], function(Klass) {\n                var instance = Klass.prototype.create(Klass, data);\n                deferred.resolve(instance);\n            });\n            return deferred.promise();\n        }\n    };\n\n    return module;\n\n});\n"],"file":"chart_builder.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_builder.min.js","sources":["../src/chart_builder.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart builder.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Chart builder.\n     *\n     * @exports core/chart_builder\n     */\n    var module = {\n\n        /**\n         * Make a chart instance.\n         *\n         * This takes data, most likely generated in PHP, and creates a chart instance from it\n         * deferring most of the logic to {@link module:core/chart_base.create}.\n         *\n         * @param {Object} data The data.\n         * @return {Promise} A promise resolved with the chart instance.\n         */\n        make: function(data) {\n            var deferred = $.Deferred();\n            require(['core/chart_' + data.type], function(Klass) {\n                var instance = Klass.prototype.create(Klass, data);\n                deferred.resolve(instance);\n            });\n            return deferred.promise();\n        }\n    };\n\n    return module;\n\n});\n"],"names":["define","$","make","data","deferred","Deferred","require","type","Klass","instance","prototype","create","resolve","promise"],"mappings":";;;;;;;AAsBAA,4BAAO,CAAC,WAAW,SAASC,SAOX,CAWTC,KAAM,SAASC,UACPC,SAAWH,EAAEI,kBACjBC,QAAQ,CAAC,cAAgBH,KAAKI,OAAO,SAASC,WACtCC,SAAWD,MAAME,UAAUC,OAAOH,MAAOL,MAC7CC,SAASQ,QAAQH,aAEdL,SAASS"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_line.min.js b/lib/amd/build/chart_line.min.js
index 5fc616ed4ae..65c3f074164 100644
--- a/lib/amd/build/chart_line.min.js
+++ b/lib/amd/build/chart_line.min.js
@@ -1,2 +1,11 @@
-define ("core/chart_line",["core/chart_base"],function(a){function b(){a.prototype.constructor.apply(this,arguments)}b.prototype=Object.create(a.prototype);b.prototype.TYPE="line";b.prototype._smooth=!1;b.prototype.create=function(b,c){var d=a.prototype.create.apply(this,arguments);d.setSmooth(c.smooth);return d};b.prototype.getSmooth=function(){return this._smooth};b.prototype.setSmooth=function(a){this._smooth=!!a};return b});
-//# sourceMappingURL=chart_line.min.js.map
+/**
+ * Chart line.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_line
+ */
+define("core/chart_line",["core/chart_base"],(function(Base){function Line(){Base.prototype.constructor.apply(this,arguments)}return Line.prototype=Object.create(Base.prototype),Line.prototype.TYPE="line",Line.prototype._smooth=!1,Line.prototype.create=function(Klass,data){var chart=Base.prototype.create.apply(this,arguments);return chart.setSmooth(data.smooth),chart},Line.prototype.getSmooth=function(){return this._smooth},Line.prototype.setSmooth=function(smooth){this._smooth=Boolean(smooth)},Line}));
+
+//# sourceMappingURL=chart_line.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_line.min.js.map b/lib/amd/build/chart_line.min.js.map
index 901707cc11d..d5c26fa270d 100644
--- a/lib/amd/build/chart_line.min.js.map
+++ b/lib/amd/build/chart_line.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/chart_line.js"],"names":["define","Base","Line","prototype","constructor","apply","arguments","Object","create","TYPE","_smooth","Klass","data","chart","setSmooth","smooth","getSmooth"],"mappings":"AAuBAA,OAAM,mBAAC,CAAC,iBAAD,CAAD,CAAsB,SAASC,CAAT,CAAe,CASvC,QAASC,CAAAA,CAAT,EAAgB,CACZD,CAAI,CAACE,SAAL,CAAeC,WAAf,CAA2BC,KAA3B,CAAiC,IAAjC,CAAuCC,SAAvC,CACH,CACDJ,CAAI,CAACC,SAAL,CAAiBI,MAAM,CAACC,MAAP,CAAcP,CAAI,CAACE,SAAnB,CAAjB,CAGAD,CAAI,CAACC,SAAL,CAAeM,IAAf,CAAsB,MAAtB,CAUAP,CAAI,CAACC,SAAL,CAAeO,OAAf,IAGAR,CAAI,CAACC,SAAL,CAAeK,MAAf,CAAwB,SAASG,CAAT,CAAgBC,CAAhB,CAAsB,CAC1C,GAAIC,CAAAA,CAAK,CAAGZ,CAAI,CAACE,SAAL,CAAeK,MAAf,CAAsBH,KAAtB,CAA4B,IAA5B,CAAkCC,SAAlC,CAAZ,CACAO,CAAK,CAACC,SAAN,CAAgBF,CAAI,CAACG,MAArB,EACA,MAAOF,CAAAA,CACV,CAJD,CAYAX,CAAI,CAACC,SAAL,CAAea,SAAf,CAA2B,UAAW,CAClC,MAAO,MAAKN,OACf,CAFD,CAUAR,CAAI,CAACC,SAAL,CAAeW,SAAf,CAA2B,SAASC,CAAT,CAAiB,CACxC,KAAKL,OAAL,GAAuBK,CAC1B,CAFD,CAIA,MAAOb,CAAAA,CAEV,CAxDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart line.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_line\n */\ndefine(['core/chart_base'], function(Base) {\n\n    /**\n     * Line chart.\n     *\n     * @alias module:core/chart_line\n     * @extends {module:core/chart_base}\n     * @class\n     */\n    function Line() {\n        Base.prototype.constructor.apply(this, arguments);\n    }\n    Line.prototype = Object.create(Base.prototype);\n\n    /** @override */\n    Line.prototype.TYPE = 'line';\n\n    /**\n     * Whether the line should be smooth or not.\n     *\n     * By default the chart lines are not smooth.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Line.prototype._smooth = false;\n\n    /** @override */\n    Line.prototype.create = function(Klass, data) {\n        var chart = Base.prototype.create.apply(this, arguments);\n        chart.setSmooth(data.smooth);\n        return chart;\n    };\n\n    /**\n     * Get whether the line should be smooth or not.\n     *\n     * @method getSmooth\n     * @returns {Bool}\n     */\n    Line.prototype.getSmooth = function() {\n        return this._smooth;\n    };\n\n    /**\n     * Set whether the line should be smooth or not.\n     *\n     * @method setSmooth\n     * @param {Bool} smooth True if the line chart should be smooth, false otherwise.\n     */\n    Line.prototype.setSmooth = function(smooth) {\n        this._smooth = Boolean(smooth);\n    };\n\n    return Line;\n\n});\n"],"file":"chart_line.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_line.min.js","sources":["../src/chart_line.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart line.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_line\n */\ndefine(['core/chart_base'], function(Base) {\n\n    /**\n     * Line chart.\n     *\n     * @alias module:core/chart_line\n     * @extends {module:core/chart_base}\n     * @class\n     */\n    function Line() {\n        Base.prototype.constructor.apply(this, arguments);\n    }\n    Line.prototype = Object.create(Base.prototype);\n\n    /** @override */\n    Line.prototype.TYPE = 'line';\n\n    /**\n     * Whether the line should be smooth or not.\n     *\n     * By default the chart lines are not smooth.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Line.prototype._smooth = false;\n\n    /** @override */\n    Line.prototype.create = function(Klass, data) {\n        var chart = Base.prototype.create.apply(this, arguments);\n        chart.setSmooth(data.smooth);\n        return chart;\n    };\n\n    /**\n     * Get whether the line should be smooth or not.\n     *\n     * @method getSmooth\n     * @returns {Bool}\n     */\n    Line.prototype.getSmooth = function() {\n        return this._smooth;\n    };\n\n    /**\n     * Set whether the line should be smooth or not.\n     *\n     * @method setSmooth\n     * @param {Bool} smooth True if the line chart should be smooth, false otherwise.\n     */\n    Line.prototype.setSmooth = function(smooth) {\n        this._smooth = Boolean(smooth);\n    };\n\n    return Line;\n\n});\n"],"names":["define","Base","Line","prototype","constructor","apply","this","arguments","Object","create","TYPE","_smooth","Klass","data","chart","setSmooth","smooth","getSmooth","Boolean"],"mappings":";;;;;;;;AAuBAA,yBAAO,CAAC,oBAAoB,SAASC,eASxBC,OACLD,KAAKE,UAAUC,YAAYC,MAAMC,KAAMC,kBAE3CL,KAAKC,UAAYK,OAAOC,OAAOR,KAAKE,WAGpCD,KAAKC,UAAUO,KAAO,OAUtBR,KAAKC,UAAUQ,SAAU,EAGzBT,KAAKC,UAAUM,OAAS,SAASG,MAAOC,UAChCC,MAAQb,KAAKE,UAAUM,OAAOJ,MAAMC,KAAMC,kBAC9CO,MAAMC,UAAUF,KAAKG,QACdF,OASXZ,KAAKC,UAAUc,UAAY,kBAChBX,KAAKK,SAShBT,KAAKC,UAAUY,UAAY,SAASC,aAC3BL,QAAUO,QAAQF,SAGpBd"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_output.min.js b/lib/amd/build/chart_output.min.js
index 7b912253539..f5457477d37 100644
--- a/lib/amd/build/chart_output.min.js
+++ b/lib/amd/build/chart_output.min.js
@@ -1,2 +1,12 @@
-define ("core/chart_output",["core/chart_output_chartjs"],function(a){return a});
-//# sourceMappingURL=chart_output.min.js.map
+/**
+ * Chart output.
+ *
+ * Proxy to the default output module.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/chart_output",["core/chart_output_chartjs"],(function(Output){return Output}));
+
+//# sourceMappingURL=chart_output.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_output.min.js.map b/lib/amd/build/chart_output.min.js.map
index 02868bb980f..1861b4401b2 100644
--- a/lib/amd/build/chart_output.min.js.map
+++ b/lib/amd/build/chart_output.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/chart_output.js"],"names":["define","Output"],"mappings":"AAwBAA,OAAM,qBAAC,CAAC,2BAAD,CAAD,CAAgC,SAASC,CAAT,CAAiB,CAQnD,MAFoBA,CAAAA,CAIvB,CAVK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart output.\n *\n * Proxy to the default output module.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/chart_output_chartjs'], function(Output) {\n\n    /**\n     * @exports module:core/chart_output\n     * @extends {module:core/chart_output_chartjs}\n     */\n    var defaultModule = Output;\n\n    return defaultModule;\n\n});\n"],"file":"chart_output.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_output.min.js","sources":["../src/chart_output.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart output.\n *\n * Proxy to the default output module.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/chart_output_chartjs'], function(Output) {\n\n    /**\n     * @exports module:core/chart_output\n     * @extends {module:core/chart_output_chartjs}\n     */\n    var defaultModule = Output;\n\n    return defaultModule;\n\n});\n"],"names":["define","Output"],"mappings":";;;;;;;;;AAwBAA,2BAAO,CAAC,8BAA8B,SAASC,eAMvBA"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_output_base.min.js b/lib/amd/build/chart_output_base.min.js
index b390a081280..ab50df9403a 100644
--- a/lib/amd/build/chart_output_base.min.js
+++ b/lib/amd/build/chart_output_base.min.js
@@ -1,2 +1,13 @@
-define ("core/chart_output_base",["jquery"],function(a){function b(b,c){this._node=a(b);this._chart=c}b.prototype.update=function(){throw new Error("Not supported.")};return b});
-//# sourceMappingURL=chart_output_base.min.js.map
+/**
+ * Chart output base.
+ *
+ * This takes a chart object and draws it.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_output_base
+ */
+define("core/chart_output_base",["jquery"],(function($){function Base(node,chart){this._node=$(node),this._chart=chart}return Base.prototype.update=function(){throw new Error("Not supported.")},Base}));
+
+//# sourceMappingURL=chart_output_base.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_output_base.min.js.map b/lib/amd/build/chart_output_base.min.js.map
index 34b383e6408..edcca38dd78 100644
--- a/lib/amd/build/chart_output_base.min.js.map
+++ b/lib/amd/build/chart_output_base.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/chart_output_base.js"],"names":["define","$","Base","node","chart","_node","_chart","prototype","update","Error"],"mappings":"AAyBAA,OAAM,0BAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAmB3B,QAASC,CAAAA,CAAT,CAAcC,CAAd,CAAoBC,CAApB,CAA2B,CACvB,KAAKC,KAAL,CAAaJ,CAAC,CAACE,CAAD,CAAd,CACA,KAAKG,MAAL,CAAcF,CACjB,CAYDF,CAAI,CAACK,SAAL,CAAeC,MAAf,CAAwB,UAAW,CAC/B,KAAM,IAAIC,CAAAA,KAAJ,CAAU,gBAAV,CACT,CAFD,CAIA,MAAOP,CAAAA,CAEV,CAxCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart output base.\n *\n * This takes a chart object and draws it.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_output_base\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Chart output base.\n     *\n     * The constructor of an output class must instantly generate and display the\n     * chart. It is also the responsability of the output module to check that\n     * the node received is of the appropriate type, if not a new node can be\n     * added within.\n     *\n     * The output module has total control over the content of the node and can\n     * clear it or output anything to it at will. A node should not be shared by\n     * two simultaneous output modules.\n     *\n     * @class\n     * @alias module:core/chart_output_base\n     * @param {Node} node The node to output with/in.\n     * @param {Chart} chart A chart object.\n     */\n    function Base(node, chart) {\n        this._node = $(node);\n        this._chart = chart;\n    }\n\n    /**\n     * Update method.\n     *\n     * This is the public method through which an output instance in informed\n     * that the chart instance has been updated and they need to update the\n     * chart rendering.\n     *\n     * @abstract\n     * @return {Void}\n     */\n    Base.prototype.update = function() {\n        throw new Error('Not supported.');\n    };\n\n    return Base;\n\n});\n"],"file":"chart_output_base.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_output_base.min.js","sources":["../src/chart_output_base.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart output base.\n *\n * This takes a chart object and draws it.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_output_base\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Chart output base.\n     *\n     * The constructor of an output class must instantly generate and display the\n     * chart. It is also the responsability of the output module to check that\n     * the node received is of the appropriate type, if not a new node can be\n     * added within.\n     *\n     * The output module has total control over the content of the node and can\n     * clear it or output anything to it at will. A node should not be shared by\n     * two simultaneous output modules.\n     *\n     * @class\n     * @alias module:core/chart_output_base\n     * @param {Node} node The node to output with/in.\n     * @param {Chart} chart A chart object.\n     */\n    function Base(node, chart) {\n        this._node = $(node);\n        this._chart = chart;\n    }\n\n    /**\n     * Update method.\n     *\n     * This is the public method through which an output instance in informed\n     * that the chart instance has been updated and they need to update the\n     * chart rendering.\n     *\n     * @abstract\n     * @return {Void}\n     */\n    Base.prototype.update = function() {\n        throw new Error('Not supported.');\n    };\n\n    return Base;\n\n});\n"],"names":["define","$","Base","node","chart","_node","_chart","prototype","update","Error"],"mappings":";;;;;;;;;;AAyBAA,gCAAO,CAAC,WAAW,SAASC,YAmBfC,KAAKC,KAAMC,YACXC,MAAQJ,EAAEE,WACVG,OAASF,aAalBF,KAAKK,UAAUC,OAAS,iBACd,IAAIC,MAAM,mBAGbP"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_output_chartjs.min.js b/lib/amd/build/chart_output_chartjs.min.js
index 3f698a0ed2a..f24ddc5c987 100644
--- a/lib/amd/build/chart_output_chartjs.min.js
+++ b/lib/amd/build/chart_output_chartjs.min.js
@@ -1,2 +1,11 @@
-define ("core/chart_output_chartjs",["jquery","core/chartjs","core/chart_axis","core/chart_bar","core/chart_output_base","core/chart_line","core/chart_pie","core/chart_series"],function(a,b,c,d,e,f,g,h){var i=function(a,b){return"axis-"+a+"-"+b};function j(){e.prototype.constructor.apply(this,arguments);this._canvas=this._node;if("CANVAS"!=this._canvas.prop("tagName")){this._canvas=a("<canvas>");this._node.append(this._canvas)}this._build()}j.prototype=Object.create(e.prototype);j.prototype._config=null;j.prototype._chartjs=null;j.prototype._canvas=null;j.prototype._build=function(){this._config=this._makeConfig();this._chartjs=new b(this._canvas[0],this._config)};j.prototype._cleanData=function(b){if(b instanceof Array){return b.map(function(b){return a("<span>").html(b).text()})}else{return a("<span>").html(b).text()}};j.prototype._getChartType=function(){var a=this._chart.getType();if(this._chart.getType()===d.prototype.TYPE&&!0===this._chart.getHorizontal()){a="horizontalBar"}else if(this._chart.getType()===g.prototype.TYPE&&!0===this._chart.getDoughnut()){a="doughnut"}return a};j.prototype._makeAxisConfig=function(a,b,d){var e={id:i(b,d)};if(a.getPosition()!==c.prototype.POS_DEFAULT){e.position=a.getPosition()}if(null!==a.getLabel()){e.scaleLabel={display:!0,labelString:this._cleanData(a.getLabel())}}if(null!==a.getStepSize()){e.ticks=e.ticks||{};e.ticks.stepSize=a.getStepSize()}if(null!==a.getMax()){e.ticks=e.ticks||{};e.ticks.max=a.getMax()}if(null!==a.getMin()){e.ticks=e.ticks||{};e.ticks.min=a.getMin()}return e};j.prototype._makeConfig=function(){var a={type:this._getChartType(),data:{labels:this._cleanData(this._chart.getLabels()),datasets:this._makeDatasetsConfig()},options:{title:{display:null!==this._chart.getTitle(),text:this._cleanData(this._chart.getTitle())}}},b=this._chart.getLegendOptions();if(b){a.options.legend=b}this._chart.getXAxes().forEach(function(b,c){var d=b.getLabels();a.options.scales=a.options.scales||{};a.options.scales.xAxes=a.options.scales.xAxes||[];a.options.scales.xAxes[c]=this._makeAxisConfig(b,"x",c);if(null!==d){a.options.scales.xAxes[c].ticks.callback=function(a,b){return d[b]||""}}a.options.scales.xAxes[c].stacked=this._isStacked()}.bind(this));this._chart.getYAxes().forEach(function(b,c){var d=b.getLabels();a.options.scales=a.options.scales||{};a.options.scales.yAxes=a.options.scales.yAxes||[];a.options.scales.yAxes[c]=this._makeAxisConfig(b,"y",c);if(null!==d){a.options.scales.yAxes[c].ticks.callback=function(a){return d[parseInt(a,10)]||""}}a.options.scales.yAxes[c].stacked=this._isStacked()}.bind(this));a.options.tooltips={callbacks:{label:this._makeTooltip.bind(this)}};return a};j.prototype._makeDatasetsConfig=function(){var a=this._chart.getSeries().map(function(a){var b=a.hasColoredValues()?a.getColors():a.getColor(),c={label:this._cleanData(a.getLabel()),data:a.getValues(),type:a.getType(),fill:a.getFill(),backgroundColor:b,borderColor:this._chart.getType()==g.prototype.TYPE?"#fff":b,lineTension:this._isSmooth(a)?.3:0};if(null!==a.getXAxis()){c.xAxisID=i("x",a.getXAxis())}if(null!==a.getYAxis()){c.yAxisID=i("y",a.getYAxis())}return c}.bind(this));return a};j.prototype._makeTooltip=function(a,b){var c=this._chart.getSeries()[a.datasetIndex],d=c.getLabel(),e=c.getLabels(),f=b.datasets[a.datasetIndex].data,g=f[a.index],h=[];if(""==a.xLabel&&""==a.yLabel){var i=this._cleanData(this._chart.getLabels());h.push(i[a.index])}if(null!==e){h.push(this._cleanData(e[a.index]))}else{h.push(this._cleanData(d)+": "+g)}return h};j.prototype._isSmooth=function(a){var b=!1;if(this._chart.getType()===f.prototype.TYPE){b=a.getSmooth();if(null===b){b=this._chart.getSmooth()}}else if(a.getType()===h.prototype.TYPE_LINE){b=a.getSmooth()}return b};j.prototype._isStacked=function(){var a=!1;if(this._chart.getType()===d.prototype.TYPE){a=this._chart.getStacked()}return a};j.prototype.update=function(){a.extend(!0,this._config,this._makeConfig());this._chartjs.update()};return j});
-//# sourceMappingURL=chart_output_chartjs.min.js.map
+/**
+ * Chart output for chart.js.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_output_chartjs
+ */
+define("core/chart_output_chartjs",["jquery","core/chartjs","core/chart_axis","core/chart_bar","core/chart_output_base","core/chart_line","core/chart_pie","core/chart_series"],(function($,Chartjs,Axis,Bar,Base,Line,Pie,Series){var makeAxisId=function(xy,index){return"axis-"+xy+"-"+index};function Output(){Base.prototype.constructor.apply(this,arguments),this._canvas=this._node,"CANVAS"!=this._canvas.prop("tagName")&&(this._canvas=$("<canvas>"),this._node.append(this._canvas)),this._build()}return Output.prototype=Object.create(Base.prototype),Output.prototype._config=null,Output.prototype._chartjs=null,Output.prototype._canvas=null,Output.prototype._build=function(){this._config=this._makeConfig(),this._chartjs=new Chartjs(this._canvas[0],this._config)},Output.prototype._cleanData=function(data){return data instanceof Array?data.map((function(value){return $("<span>").html(value).text()})):$("<span>").html(data).text()},Output.prototype._getChartType=function(){var type=this._chart.getType();return this._chart.getType()===Bar.prototype.TYPE&&!0===this._chart.getHorizontal()?type="horizontalBar":this._chart.getType()===Pie.prototype.TYPE&&!0===this._chart.getDoughnut()&&(type="doughnut"),type},Output.prototype._makeAxisConfig=function(axis,xy,index){var scaleData={id:makeAxisId(xy,index)};return axis.getPosition()!==Axis.prototype.POS_DEFAULT&&(scaleData.position=axis.getPosition()),null!==axis.getLabel()&&(scaleData.scaleLabel={display:!0,labelString:this._cleanData(axis.getLabel())}),null!==axis.getStepSize()&&(scaleData.ticks=scaleData.ticks||{},scaleData.ticks.stepSize=axis.getStepSize()),null!==axis.getMax()&&(scaleData.ticks=scaleData.ticks||{},scaleData.ticks.max=axis.getMax()),null!==axis.getMin()&&(scaleData.ticks=scaleData.ticks||{},scaleData.ticks.min=axis.getMin()),scaleData},Output.prototype._makeConfig=function(){var config={type:this._getChartType(),data:{labels:this._cleanData(this._chart.getLabels()),datasets:this._makeDatasetsConfig()},options:{title:{display:null!==this._chart.getTitle(),text:this._cleanData(this._chart.getTitle())}}},legendOptions=this._chart.getLegendOptions();return legendOptions&&(config.options.legend=legendOptions),this._chart.getXAxes().forEach(function(axis,i){var axisLabels=axis.getLabels();config.options.scales=config.options.scales||{},config.options.scales.xAxes=config.options.scales.xAxes||[],config.options.scales.xAxes[i]=this._makeAxisConfig(axis,"x",i),null!==axisLabels&&(config.options.scales.xAxes[i].ticks.callback=function(value,index){return axisLabels[index]||""}),config.options.scales.xAxes[i].stacked=this._isStacked()}.bind(this)),this._chart.getYAxes().forEach(function(axis,i){var axisLabels=axis.getLabels();config.options.scales=config.options.scales||{},config.options.scales.yAxes=config.options.scales.yAxes||[],config.options.scales.yAxes[i]=this._makeAxisConfig(axis,"y",i),null!==axisLabels&&(config.options.scales.yAxes[i].ticks.callback=function(value){return axisLabels[parseInt(value,10)]||""}),config.options.scales.yAxes[i].stacked=this._isStacked()}.bind(this)),config.options.tooltips={callbacks:{label:this._makeTooltip.bind(this)}},config},Output.prototype._makeDatasetsConfig=function(){return this._chart.getSeries().map(function(series){var colors=series.hasColoredValues()?series.getColors():series.getColor(),dataset={label:this._cleanData(series.getLabel()),data:series.getValues(),type:series.getType(),fill:series.getFill(),backgroundColor:colors,borderColor:this._chart.getType()==Pie.prototype.TYPE?"#fff":colors,lineTension:this._isSmooth(series)?.3:0};return null!==series.getXAxis()&&(dataset.xAxisID=makeAxisId("x",series.getXAxis())),null!==series.getYAxis()&&(dataset.yAxisID=makeAxisId("y",series.getYAxis())),dataset}.bind(this))},Output.prototype._makeTooltip=function(tooltipItem,data){var series=this._chart.getSeries()[tooltipItem.datasetIndex],serieLabel=series.getLabel(),serieLabels=series.getLabels(),tooltipData=data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index],tooltip=[];if(""==tooltipItem.xLabel&&""==tooltipItem.yLabel){var chartLabels=this._cleanData(this._chart.getLabels());tooltip.push(chartLabels[tooltipItem.index])}return null!==serieLabels?tooltip.push(this._cleanData(serieLabels[tooltipItem.index])):tooltip.push(this._cleanData(serieLabel)+": "+tooltipData),tooltip},Output.prototype._isSmooth=function(series){var smooth=!1;return this._chart.getType()===Line.prototype.TYPE?null===(smooth=series.getSmooth())&&(smooth=this._chart.getSmooth()):series.getType()===Series.prototype.TYPE_LINE&&(smooth=series.getSmooth()),smooth},Output.prototype._isStacked=function(){var stacked=!1;return this._chart.getType()===Bar.prototype.TYPE&&(stacked=this._chart.getStacked()),stacked},Output.prototype.update=function(){$.extend(!0,this._config,this._makeConfig()),this._chartjs.update()},Output}));
+
+//# sourceMappingURL=chart_output_chartjs.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_output_chartjs.min.js.map b/lib/amd/build/chart_output_chartjs.min.js.map
index 00452c680ef..aff821370a3 100644
--- a/lib/amd/build/chart_output_chartjs.min.js.map
+++ b/lib/amd/build/chart_output_chartjs.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart output for chart.js.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_output_chartjs\n */\ndefine([\n    'jquery',\n    'core/chartjs',\n    'core/chart_axis',\n    'core/chart_bar',\n    'core/chart_output_base',\n    'core/chart_line',\n    'core/chart_pie',\n    'core/chart_series'\n], function($, Chartjs, Axis, Bar, Base, Line, Pie, Series) {\n\n    /**\n     * Makes an axis ID.\n     *\n     * @param {String} xy Accepts 'x' and 'y'.\n     * @param {Number} index The axis index.\n     * @return {String}\n     */\n    var makeAxisId = function(xy, index) {\n        return 'axis-' + xy + '-' + index;\n    };\n\n    /**\n     * Chart output for Chart.js.\n     *\n     * @class\n     * @alias module:core/chart_output_chartjs\n     * @extends {module:core/chart_output_base}\n     */\n    function Output() {\n        Base.prototype.constructor.apply(this, arguments);\n\n        // Make sure that we've got a canvas tag.\n        this._canvas = this._node;\n        if (this._canvas.prop('tagName') != 'CANVAS') {\n            this._canvas = $('<canvas>');\n            this._node.append(this._canvas);\n        }\n\n        this._build();\n    }\n    Output.prototype = Object.create(Base.prototype);\n\n    /**\n     * Reference to the chart config object.\n     *\n     * @type {Object}\n     * @protected\n     */\n    Output.prototype._config = null;\n\n    /**\n     * Reference to the instance of chart.js.\n     *\n     * @type {Object}\n     * @protected\n     */\n    Output.prototype._chartjs = null;\n\n    /**\n     * Reference to the canvas node.\n     *\n     * @type {Jquery}\n     * @protected\n     */\n    Output.prototype._canvas = null;\n\n    /**\n     * Builds the config and the chart.\n     *\n     * @protected\n     */\n    Output.prototype._build = function() {\n        this._config = this._makeConfig();\n        this._chartjs = new Chartjs(this._canvas[0], this._config);\n    };\n\n    /**\n     * Clean data.\n     *\n     * @param {(String|String[])} data A single string or an array of strings.\n     * @returns {(String|String[])}\n     * @protected\n     */\n    Output.prototype._cleanData = function(data) {\n        if (data instanceof Array) {\n            return data.map(function(value) {\n                return $('<span>').html(value).text();\n            });\n        } else {\n            return $('<span>').html(data).text();\n        }\n    };\n\n    /**\n     * Get the chart type and handles the Chart.js specific chart types.\n     *\n     * By default returns the current chart TYPE value. Also does the handling of specific chart types, for example\n     * check if the bar chart should be horizontal and the pie chart should be displayed as a doughnut.\n     *\n     * @method getChartType\n     * @returns {String} the chart type.\n     * @protected\n     */\n    Output.prototype._getChartType = function() {\n        var type = this._chart.getType();\n\n        // Bars can be displayed vertically and horizontally, defining horizontalBar type.\n        if (this._chart.getType() === Bar.prototype.TYPE && this._chart.getHorizontal() === true) {\n            type = 'horizontalBar';\n        } else if (this._chart.getType() === Pie.prototype.TYPE && this._chart.getDoughnut() === true) {\n            // Pie chart can be displayed as doughnut.\n            type = 'doughnut';\n        }\n\n        return type;\n    };\n\n    /**\n     * Make the axis config.\n     *\n     * @protected\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {String} xy Accepts 'x' or 'y'.\n     * @param {Number} index The axis index.\n     * @return {Object} The axis config.\n     */\n    Output.prototype._makeAxisConfig = function(axis, xy, index) {\n        var scaleData = {\n            id: makeAxisId(xy, index)\n        };\n\n        if (axis.getPosition() !== Axis.prototype.POS_DEFAULT) {\n            scaleData.position = axis.getPosition();\n        }\n\n        if (axis.getLabel() !== null) {\n            scaleData.scaleLabel = {\n                display: true,\n                labelString: this._cleanData(axis.getLabel())\n            };\n        }\n\n        if (axis.getStepSize() !== null) {\n            scaleData.ticks = scaleData.ticks || {};\n            scaleData.ticks.stepSize = axis.getStepSize();\n        }\n\n        if (axis.getMax() !== null) {\n            scaleData.ticks = scaleData.ticks || {};\n            scaleData.ticks.max = axis.getMax();\n        }\n\n        if (axis.getMin() !== null) {\n            scaleData.ticks = scaleData.ticks || {};\n            scaleData.ticks.min = axis.getMin();\n        }\n\n        return scaleData;\n    };\n\n    /**\n     * Make the config config.\n     *\n     * @protected\n     * @param {module:core/chart_axis} axis The axis.\n     * @return {Object} The axis config.\n     */\n    Output.prototype._makeConfig = function() {\n        var config = {\n            type: this._getChartType(),\n            data: {\n                labels: this._cleanData(this._chart.getLabels()),\n                datasets: this._makeDatasetsConfig()\n            },\n            options: {\n                title: {\n                    display: this._chart.getTitle() !== null,\n                    text: this._cleanData(this._chart.getTitle())\n                }\n            }\n        };\n        var legendOptions = this._chart.getLegendOptions();\n        if (legendOptions) {\n            config.options.legend = legendOptions;\n        }\n\n\n        this._chart.getXAxes().forEach(function(axis, i) {\n            var axisLabels = axis.getLabels();\n\n            config.options.scales = config.options.scales || {};\n            config.options.scales.xAxes = config.options.scales.xAxes || [];\n            config.options.scales.xAxes[i] = this._makeAxisConfig(axis, 'x', i);\n\n            if (axisLabels !== null) {\n                config.options.scales.xAxes[i].ticks.callback = function(value, index) {\n                    return axisLabels[index] || '';\n                };\n            }\n            config.options.scales.xAxes[i].stacked = this._isStacked();\n        }.bind(this));\n\n        this._chart.getYAxes().forEach(function(axis, i) {\n            var axisLabels = axis.getLabels();\n\n            config.options.scales = config.options.scales || {};\n            config.options.scales.yAxes = config.options.scales.yAxes || [];\n            config.options.scales.yAxes[i] = this._makeAxisConfig(axis, 'y', i);\n\n            if (axisLabels !== null) {\n                config.options.scales.yAxes[i].ticks.callback = function(value) {\n                    return axisLabels[parseInt(value, 10)] || '';\n                };\n            }\n            config.options.scales.yAxes[i].stacked = this._isStacked();\n        }.bind(this));\n\n        config.options.tooltips = {\n            callbacks: {\n                label: this._makeTooltip.bind(this)\n            }\n        };\n\n        return config;\n    };\n\n    /**\n     * Get the datasets configurations.\n     *\n     * @protected\n     * @return {Object[]}\n     */\n    Output.prototype._makeDatasetsConfig = function() {\n        var sets = this._chart.getSeries().map(function(series) {\n            var colors = series.hasColoredValues() ? series.getColors() : series.getColor();\n            var dataset = {\n                label: this._cleanData(series.getLabel()),\n                data: series.getValues(),\n                type: series.getType(),\n                fill: series.getFill(),\n                backgroundColor: colors,\n                // Pie charts look better without borders.\n                borderColor: this._chart.getType() == Pie.prototype.TYPE ? '#fff' : colors,\n                lineTension: this._isSmooth(series) ? 0.3 : 0\n            };\n\n            if (series.getXAxis() !== null) {\n                dataset.xAxisID = makeAxisId('x', series.getXAxis());\n            }\n            if (series.getYAxis() !== null) {\n                dataset.yAxisID = makeAxisId('y', series.getYAxis());\n            }\n\n            return dataset;\n        }.bind(this));\n        return sets;\n    };\n\n    /**\n     * Get the chart data, add labels and rebuild the tooltip.\n     *\n     * @param {Object[]} tooltipItem The tooltip item data.\n     * @param {Object[]} data The chart data.\n     * @returns {String}\n     * @protected\n     */\n    Output.prototype._makeTooltip = function(tooltipItem, data) {\n\n        // Get series and chart data to rebuild the tooltip and add labels.\n        var series = this._chart.getSeries()[tooltipItem.datasetIndex];\n        var serieLabel = series.getLabel();\n        var serieLabels = series.getLabels();\n        var chartData = data.datasets[tooltipItem.datasetIndex].data;\n        var tooltipData = chartData[tooltipItem.index];\n\n        // Build default tooltip.\n        var tooltip = [];\n\n        // Pie and doughnut charts does not have axis.\n        if (tooltipItem.xLabel == '' && tooltipItem.yLabel == '') {\n            var chartLabels = this._cleanData(this._chart.getLabels());\n            tooltip.push(chartLabels[tooltipItem.index]);\n        }\n\n        // Add series labels to the tooltip if any.\n        if (serieLabels !== null) {\n            tooltip.push(this._cleanData(serieLabels[tooltipItem.index]));\n        } else {\n            tooltip.push(this._cleanData(serieLabel) + ': ' + tooltipData);\n        }\n\n        return tooltip;\n    };\n\n    /**\n     * Verify if the chart line is smooth or not.\n     *\n     * @protected\n     * @param {module:core/chart_series} series The series.\n     * @returns {Bool}\n     */\n    Output.prototype._isSmooth = function(series) {\n        var smooth = false;\n        if (this._chart.getType() === Line.prototype.TYPE) {\n            smooth = series.getSmooth();\n            if (smooth === null) {\n                smooth = this._chart.getSmooth();\n            }\n        } else if (series.getType() === Series.prototype.TYPE_LINE) {\n            smooth = series.getSmooth();\n        }\n\n        return smooth;\n    };\n\n    /**\n     * Verify if the bar chart is stacked or not.\n     *\n     * @protected\n     * @returns {Bool}\n     */\n    Output.prototype._isStacked = function() {\n        var stacked = false;\n\n        // Stacking is (currently) only supported for bar charts.\n        if (this._chart.getType() === Bar.prototype.TYPE) {\n            stacked = this._chart.getStacked();\n        }\n\n        return stacked;\n    };\n\n    /** @override */\n    Output.prototype.update = function() {\n        $.extend(true, this._config, this._makeConfig());\n        this._chartjs.update();\n    };\n\n    return Output;\n\n});\n"],"file":"chart_output_chartjs.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_output_chartjs.min.js","sources":["../src/chart_output_chartjs.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart output for chart.js.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_output_chartjs\n */\ndefine([\n    'jquery',\n    'core/chartjs',\n    'core/chart_axis',\n    'core/chart_bar',\n    'core/chart_output_base',\n    'core/chart_line',\n    'core/chart_pie',\n    'core/chart_series'\n], function($, Chartjs, Axis, Bar, Base, Line, Pie, Series) {\n\n    /**\n     * Makes an axis ID.\n     *\n     * @param {String} xy Accepts 'x' and 'y'.\n     * @param {Number} index The axis index.\n     * @return {String}\n     */\n    var makeAxisId = function(xy, index) {\n        return 'axis-' + xy + '-' + index;\n    };\n\n    /**\n     * Chart output for Chart.js.\n     *\n     * @class\n     * @alias module:core/chart_output_chartjs\n     * @extends {module:core/chart_output_base}\n     */\n    function Output() {\n        Base.prototype.constructor.apply(this, arguments);\n\n        // Make sure that we've got a canvas tag.\n        this._canvas = this._node;\n        if (this._canvas.prop('tagName') != 'CANVAS') {\n            this._canvas = $('<canvas>');\n            this._node.append(this._canvas);\n        }\n\n        this._build();\n    }\n    Output.prototype = Object.create(Base.prototype);\n\n    /**\n     * Reference to the chart config object.\n     *\n     * @type {Object}\n     * @protected\n     */\n    Output.prototype._config = null;\n\n    /**\n     * Reference to the instance of chart.js.\n     *\n     * @type {Object}\n     * @protected\n     */\n    Output.prototype._chartjs = null;\n\n    /**\n     * Reference to the canvas node.\n     *\n     * @type {Jquery}\n     * @protected\n     */\n    Output.prototype._canvas = null;\n\n    /**\n     * Builds the config and the chart.\n     *\n     * @protected\n     */\n    Output.prototype._build = function() {\n        this._config = this._makeConfig();\n        this._chartjs = new Chartjs(this._canvas[0], this._config);\n    };\n\n    /**\n     * Clean data.\n     *\n     * @param {(String|String[])} data A single string or an array of strings.\n     * @returns {(String|String[])}\n     * @protected\n     */\n    Output.prototype._cleanData = function(data) {\n        if (data instanceof Array) {\n            return data.map(function(value) {\n                return $('<span>').html(value).text();\n            });\n        } else {\n            return $('<span>').html(data).text();\n        }\n    };\n\n    /**\n     * Get the chart type and handles the Chart.js specific chart types.\n     *\n     * By default returns the current chart TYPE value. Also does the handling of specific chart types, for example\n     * check if the bar chart should be horizontal and the pie chart should be displayed as a doughnut.\n     *\n     * @method getChartType\n     * @returns {String} the chart type.\n     * @protected\n     */\n    Output.prototype._getChartType = function() {\n        var type = this._chart.getType();\n\n        // Bars can be displayed vertically and horizontally, defining horizontalBar type.\n        if (this._chart.getType() === Bar.prototype.TYPE && this._chart.getHorizontal() === true) {\n            type = 'horizontalBar';\n        } else if (this._chart.getType() === Pie.prototype.TYPE && this._chart.getDoughnut() === true) {\n            // Pie chart can be displayed as doughnut.\n            type = 'doughnut';\n        }\n\n        return type;\n    };\n\n    /**\n     * Make the axis config.\n     *\n     * @protected\n     * @param {module:core/chart_axis} axis The axis.\n     * @param {String} xy Accepts 'x' or 'y'.\n     * @param {Number} index The axis index.\n     * @return {Object} The axis config.\n     */\n    Output.prototype._makeAxisConfig = function(axis, xy, index) {\n        var scaleData = {\n            id: makeAxisId(xy, index)\n        };\n\n        if (axis.getPosition() !== Axis.prototype.POS_DEFAULT) {\n            scaleData.position = axis.getPosition();\n        }\n\n        if (axis.getLabel() !== null) {\n            scaleData.scaleLabel = {\n                display: true,\n                labelString: this._cleanData(axis.getLabel())\n            };\n        }\n\n        if (axis.getStepSize() !== null) {\n            scaleData.ticks = scaleData.ticks || {};\n            scaleData.ticks.stepSize = axis.getStepSize();\n        }\n\n        if (axis.getMax() !== null) {\n            scaleData.ticks = scaleData.ticks || {};\n            scaleData.ticks.max = axis.getMax();\n        }\n\n        if (axis.getMin() !== null) {\n            scaleData.ticks = scaleData.ticks || {};\n            scaleData.ticks.min = axis.getMin();\n        }\n\n        return scaleData;\n    };\n\n    /**\n     * Make the config config.\n     *\n     * @protected\n     * @param {module:core/chart_axis} axis The axis.\n     * @return {Object} The axis config.\n     */\n    Output.prototype._makeConfig = function() {\n        var config = {\n            type: this._getChartType(),\n            data: {\n                labels: this._cleanData(this._chart.getLabels()),\n                datasets: this._makeDatasetsConfig()\n            },\n            options: {\n                title: {\n                    display: this._chart.getTitle() !== null,\n                    text: this._cleanData(this._chart.getTitle())\n                }\n            }\n        };\n        var legendOptions = this._chart.getLegendOptions();\n        if (legendOptions) {\n            config.options.legend = legendOptions;\n        }\n\n\n        this._chart.getXAxes().forEach(function(axis, i) {\n            var axisLabels = axis.getLabels();\n\n            config.options.scales = config.options.scales || {};\n            config.options.scales.xAxes = config.options.scales.xAxes || [];\n            config.options.scales.xAxes[i] = this._makeAxisConfig(axis, 'x', i);\n\n            if (axisLabels !== null) {\n                config.options.scales.xAxes[i].ticks.callback = function(value, index) {\n                    return axisLabels[index] || '';\n                };\n            }\n            config.options.scales.xAxes[i].stacked = this._isStacked();\n        }.bind(this));\n\n        this._chart.getYAxes().forEach(function(axis, i) {\n            var axisLabels = axis.getLabels();\n\n            config.options.scales = config.options.scales || {};\n            config.options.scales.yAxes = config.options.scales.yAxes || [];\n            config.options.scales.yAxes[i] = this._makeAxisConfig(axis, 'y', i);\n\n            if (axisLabels !== null) {\n                config.options.scales.yAxes[i].ticks.callback = function(value) {\n                    return axisLabels[parseInt(value, 10)] || '';\n                };\n            }\n            config.options.scales.yAxes[i].stacked = this._isStacked();\n        }.bind(this));\n\n        config.options.tooltips = {\n            callbacks: {\n                label: this._makeTooltip.bind(this)\n            }\n        };\n\n        return config;\n    };\n\n    /**\n     * Get the datasets configurations.\n     *\n     * @protected\n     * @return {Object[]}\n     */\n    Output.prototype._makeDatasetsConfig = function() {\n        var sets = this._chart.getSeries().map(function(series) {\n            var colors = series.hasColoredValues() ? series.getColors() : series.getColor();\n            var dataset = {\n                label: this._cleanData(series.getLabel()),\n                data: series.getValues(),\n                type: series.getType(),\n                fill: series.getFill(),\n                backgroundColor: colors,\n                // Pie charts look better without borders.\n                borderColor: this._chart.getType() == Pie.prototype.TYPE ? '#fff' : colors,\n                lineTension: this._isSmooth(series) ? 0.3 : 0\n            };\n\n            if (series.getXAxis() !== null) {\n                dataset.xAxisID = makeAxisId('x', series.getXAxis());\n            }\n            if (series.getYAxis() !== null) {\n                dataset.yAxisID = makeAxisId('y', series.getYAxis());\n            }\n\n            return dataset;\n        }.bind(this));\n        return sets;\n    };\n\n    /**\n     * Get the chart data, add labels and rebuild the tooltip.\n     *\n     * @param {Object[]} tooltipItem The tooltip item data.\n     * @param {Object[]} data The chart data.\n     * @returns {String}\n     * @protected\n     */\n    Output.prototype._makeTooltip = function(tooltipItem, data) {\n\n        // Get series and chart data to rebuild the tooltip and add labels.\n        var series = this._chart.getSeries()[tooltipItem.datasetIndex];\n        var serieLabel = series.getLabel();\n        var serieLabels = series.getLabels();\n        var chartData = data.datasets[tooltipItem.datasetIndex].data;\n        var tooltipData = chartData[tooltipItem.index];\n\n        // Build default tooltip.\n        var tooltip = [];\n\n        // Pie and doughnut charts does not have axis.\n        if (tooltipItem.xLabel == '' && tooltipItem.yLabel == '') {\n            var chartLabels = this._cleanData(this._chart.getLabels());\n            tooltip.push(chartLabels[tooltipItem.index]);\n        }\n\n        // Add series labels to the tooltip if any.\n        if (serieLabels !== null) {\n            tooltip.push(this._cleanData(serieLabels[tooltipItem.index]));\n        } else {\n            tooltip.push(this._cleanData(serieLabel) + ': ' + tooltipData);\n        }\n\n        return tooltip;\n    };\n\n    /**\n     * Verify if the chart line is smooth or not.\n     *\n     * @protected\n     * @param {module:core/chart_series} series The series.\n     * @returns {Bool}\n     */\n    Output.prototype._isSmooth = function(series) {\n        var smooth = false;\n        if (this._chart.getType() === Line.prototype.TYPE) {\n            smooth = series.getSmooth();\n            if (smooth === null) {\n                smooth = this._chart.getSmooth();\n            }\n        } else if (series.getType() === Series.prototype.TYPE_LINE) {\n            smooth = series.getSmooth();\n        }\n\n        return smooth;\n    };\n\n    /**\n     * Verify if the bar chart is stacked or not.\n     *\n     * @protected\n     * @returns {Bool}\n     */\n    Output.prototype._isStacked = function() {\n        var stacked = false;\n\n        // Stacking is (currently) only supported for bar charts.\n        if (this._chart.getType() === Bar.prototype.TYPE) {\n            stacked = this._chart.getStacked();\n        }\n\n        return stacked;\n    };\n\n    /** @override */\n    Output.prototype.update = function() {\n        $.extend(true, this._config, this._makeConfig());\n        this._chartjs.update();\n    };\n\n    return 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diff --git a/lib/amd/build/chart_output_htmltable.min.js b/lib/amd/build/chart_output_htmltable.min.js
index c187ab8dd8c..aa375afed58 100644
--- a/lib/amd/build/chart_output_htmltable.min.js
+++ b/lib/amd/build/chart_output_htmltable.min.js
@@ -1,2 +1,11 @@
-define ("core/chart_output_htmltable",["jquery","core/chart_output_base"],function(a,b){function c(){b.prototype.constructor.apply(this,arguments);this._build()}c.prototype=Object.create(b.prototype);c.prototype._build=function(){this._node.empty();this._node.append(this._makeTable())};c.prototype._makeTable=function(){var b=a("<table>"),d=this._chart,c,e,f=d.getLabels(),g=0<f.length,h=d.getSeries(),i,j=h[0].getCount();b.addClass("chart-output-htmltable generaltable");if(null!==d.getTitle()){b.append(a("<caption>").text(d.getTitle()))}c=a("<tr>");if(g){c.append(a("<td>"))}h.forEach(function(b){c.append(a("<th>").text(b.getLabel()).attr("scope","col"))});b.append(c);for(var k=0;k<j;k++){c=a("<tr>");if(0<f.length){c.append(a("<th>").text(f[k]).attr("scope","row"))}for(var l=0;l<h.length;l++){e=h[l].getValues()[k];i=h[l].getLabels();if(null!==i){e=h[l].getLabels()[k]}c.append(a("<td>").text(e))}b.append(c)}return b};c.prototype.update=function(){this._build()};return c});
-//# sourceMappingURL=chart_output_htmltable.min.js.map
+/**
+ * Chart output for HTML table.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_output_htmltable
+ */
+define("core/chart_output_htmltable",["jquery","core/chart_output_base"],(function($,Base){function Output(){Base.prototype.constructor.apply(this,arguments),this._build()}return Output.prototype=Object.create(Base.prototype),Output.prototype._build=function(){this._node.empty(),this._node.append(this._makeTable())},Output.prototype._makeTable=function(){var node,value,tbl=$("<table>"),c=this._chart,labels=c.getLabels(),hasLabel=labels.length>0,series=c.getSeries(),rowCount=series[0].getCount();tbl.addClass("chart-output-htmltable generaltable"),null!==c.getTitle()&&tbl.append($("<caption>").text(c.getTitle())),node=$("<tr>"),hasLabel&&node.append($("<td>")),series.forEach((function(serie){node.append($("<th>").text(serie.getLabel()).attr("scope","col"))})),tbl.append(node);for(var rowId=0;rowId<rowCount;rowId++){node=$("<tr>"),labels.length>0&&node.append($("<th>").text(labels[rowId]).attr("scope","row"));for(var serieId=0;serieId<series.length;serieId++)value=series[serieId].getValues()[rowId],null!==series[serieId].getLabels()&&(value=series[serieId].getLabels()[rowId]),node.append($("<td>").text(value));tbl.append(node)}return tbl},Output.prototype.update=function(){this._build()},Output}));
+
+//# sourceMappingURL=chart_output_htmltable.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_output_htmltable.min.js.map b/lib/amd/build/chart_output_htmltable.min.js.map
index 21e305990e0..1502ee7342c 100644
--- a/lib/amd/build/chart_output_htmltable.min.js.map
+++ b/lib/amd/build/chart_output_htmltable.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart output for HTML table.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_output_htmltable\n */\ndefine([\n    'jquery',\n    'core/chart_output_base',\n], function($, Base) {\n\n    /**\n     * Render a chart as an HTML table.\n     *\n     * @class\n     * @extends {module:core/chart_output_base}\n     * @alias module:core/chart_output_htmltable\n     */\n    function Output() {\n        Base.prototype.constructor.apply(this, arguments);\n        this._build();\n    }\n    Output.prototype = Object.create(Base.prototype);\n\n    /**\n     * Attach the table to the document.\n     *\n     * @protected\n     */\n    Output.prototype._build = function() {\n        this._node.empty();\n        this._node.append(this._makeTable());\n    };\n\n    /**\n     * Builds the table node.\n     *\n     * @protected\n     * @return {Jquery}\n     */\n    Output.prototype._makeTable = function() {\n        var tbl = $('<table>'),\n            c = this._chart,\n            node,\n            value,\n            labels = c.getLabels(),\n            hasLabel = labels.length > 0,\n            series = c.getSeries(),\n            seriesLabels,\n            rowCount = series[0].getCount();\n\n        // Identify the table.\n        tbl.addClass('chart-output-htmltable generaltable');\n\n        // Set the caption.\n        if (c.getTitle() !== null) {\n            tbl.append($('<caption>').text(c.getTitle()));\n        }\n\n        // Write the column headers.\n        node = $('<tr>');\n        if (hasLabel) {\n            node.append($('<td>'));\n        }\n        series.forEach(function(serie) {\n            node.append(\n                $('<th>')\n                .text(serie.getLabel())\n                .attr('scope', 'col')\n            );\n        });\n        tbl.append(node);\n\n        // Write rows.\n        for (var rowId = 0; rowId < rowCount; rowId++) {\n            node = $('<tr>');\n            if (labels.length > 0) {\n                node.append(\n                    $('<th>')\n                    .text(labels[rowId])\n                    .attr('scope', 'row')\n                );\n            }\n            for (var serieId = 0; serieId < series.length; serieId++) {\n                value = series[serieId].getValues()[rowId];\n                seriesLabels = series[serieId].getLabels();\n                if (seriesLabels !== null) {\n                    value = series[serieId].getLabels()[rowId];\n                }\n                node.append($('<td>').text(value));\n            }\n            tbl.append(node);\n        }\n\n        return tbl;\n    };\n\n    /** @override */\n    Output.prototype.update = function() {\n        this._build();\n    };\n\n    return Output;\n\n});\n"],"file":"chart_output_htmltable.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_output_htmltable.min.js","sources":["../src/chart_output_htmltable.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart output for HTML table.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_output_htmltable\n */\ndefine([\n    'jquery',\n    'core/chart_output_base',\n], function($, Base) {\n\n    /**\n     * Render a chart as an HTML table.\n     *\n     * @class\n     * @extends {module:core/chart_output_base}\n     * @alias module:core/chart_output_htmltable\n     */\n    function Output() {\n        Base.prototype.constructor.apply(this, arguments);\n        this._build();\n    }\n    Output.prototype = Object.create(Base.prototype);\n\n    /**\n     * Attach the table to the document.\n     *\n     * @protected\n     */\n    Output.prototype._build = function() {\n        this._node.empty();\n        this._node.append(this._makeTable());\n    };\n\n    /**\n     * Builds the table node.\n     *\n     * @protected\n     * @return {Jquery}\n     */\n    Output.prototype._makeTable = function() {\n        var tbl = $('<table>'),\n            c = this._chart,\n            node,\n            value,\n            labels = c.getLabels(),\n            hasLabel = labels.length > 0,\n            series = c.getSeries(),\n            seriesLabels,\n            rowCount = series[0].getCount();\n\n        // Identify the table.\n        tbl.addClass('chart-output-htmltable generaltable');\n\n        // Set the caption.\n        if (c.getTitle() !== null) {\n            tbl.append($('<caption>').text(c.getTitle()));\n        }\n\n        // Write the column headers.\n        node = $('<tr>');\n        if (hasLabel) {\n            node.append($('<td>'));\n        }\n        series.forEach(function(serie) {\n            node.append(\n                $('<th>')\n                .text(serie.getLabel())\n                .attr('scope', 'col')\n            );\n        });\n        tbl.append(node);\n\n        // Write rows.\n        for (var rowId = 0; rowId < rowCount; rowId++) {\n            node = $('<tr>');\n            if (labels.length > 0) {\n                node.append(\n                    $('<th>')\n                    .text(labels[rowId])\n                    .attr('scope', 'row')\n                );\n            }\n            for (var serieId = 0; serieId < series.length; serieId++) {\n                value = series[serieId].getValues()[rowId];\n                seriesLabels = series[serieId].getLabels();\n                if (seriesLabels !== null) {\n                    value = series[serieId].getLabels()[rowId];\n                }\n                node.append($('<td>').text(value));\n            }\n            tbl.append(node);\n        }\n\n        return tbl;\n    };\n\n    /** @override */\n    Output.prototype.update = function() {\n        this._build();\n    };\n\n    return Output;\n\n});\n"],"names":["define","$","Base","Output","prototype","constructor","apply","this","arguments","_build","Object","create","_node","empty","append","_makeTable","node","value","tbl","c","_chart","labels","getLabels","hasLabel","length","series","getSeries","rowCount","getCount","addClass","getTitle","text","forEach","serie","getLabel","attr","rowId","serieId","getValues","update"],"mappings":";;;;;;;;AAuBAA,qCAAO,CACH,SACA,2BACD,SAASC,EAAGC,eASFC,SACLD,KAAKE,UAAUC,YAAYC,MAAMC,KAAMC,gBAClCC,gBAETN,OAAOC,UAAYM,OAAOC,OAAOT,KAAKE,WAOtCD,OAAOC,UAAUK,OAAS,gBACjBG,MAAMC,aACND,MAAME,OAAOP,KAAKQ,eAS3BZ,OAAOC,UAAUW,WAAa,eAGtBC,KACAC,MAHAC,IAAMjB,EAAE,WACRkB,EAAIZ,KAAKa,OAGTC,OAASF,EAAEG,YACXC,SAAWF,OAAOG,OAAS,EAC3BC,OAASN,EAAEO,YAEXC,SAAWF,OAAO,GAAGG,WAGzBV,IAAIW,SAAS,uCAGQ,OAAjBV,EAAEW,YACFZ,IAAIJ,OAAOb,EAAE,aAAa8B,KAAKZ,EAAEW,aAIrCd,KAAOf,EAAE,QACLsB,UACAP,KAAKF,OAAOb,EAAE,SAElBwB,OAAOO,SAAQ,SAASC,OACpBjB,KAAKF,OACDb,EAAE,QACD8B,KAAKE,MAAMC,YACXC,KAAK,QAAS,WAGvBjB,IAAIJ,OAAOE,UAGN,IAAIoB,MAAQ,EAAGA,MAAQT,SAAUS,QAAS,CAC3CpB,KAAOf,EAAE,QACLoB,OAAOG,OAAS,GAChBR,KAAKF,OACDb,EAAE,QACD8B,KAAKV,OAAOe,QACZD,KAAK,QAAS,YAGlB,IAAIE,QAAU,EAAGA,QAAUZ,OAAOD,OAAQa,UAC3CpB,MAAQQ,OAAOY,SAASC,YAAYF,OAEf,OADNX,OAAOY,SAASf,cAE3BL,MAAQQ,OAAOY,SAASf,YAAYc,QAExCpB,KAAKF,OAAOb,EAAE,QAAQ8B,KAAKd,QAE/BC,IAAIJ,OAAOE,aAGRE,KAIXf,OAAOC,UAAUmC,OAAS,gBACjB9B,UAGFN"}
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diff --git a/lib/amd/build/chart_pie.min.js b/lib/amd/build/chart_pie.min.js
index 5a99d4fcf3e..869cba6a3a3 100644
--- a/lib/amd/build/chart_pie.min.js
+++ b/lib/amd/build/chart_pie.min.js
@@ -1,2 +1,11 @@
-define ("core/chart_pie",["core/chart_base"],function(a){function b(){a.prototype.constructor.apply(this,arguments)}b.prototype=Object.create(a.prototype);b.prototype.TYPE="pie";b.prototype._doughnut=null;b.prototype.create=function(b,c){var d=a.prototype.create.apply(this,arguments);d.setDoughnut(c.doughnut);return d};b.prototype.addSeries=function(b){if(null===b.getColor()){for(var c=[],d=this.getConfigColorSet()||a.prototype.COLORSET,e=0;e<b.getCount();e++){c.push(d[e%d.length])}b.setColors(c)}return a.prototype.addSeries.apply(this,arguments)};b.prototype.getDoughnut=function(){return this._doughnut};b.prototype.setDoughnut=function(a){this._doughnut=!!a};b.prototype._validateSeries=function(){if(1<=this._series.length){throw new Error("Pie charts only support one serie.")}return a.prototype._validateSeries.apply(this,arguments)};return b});
-//# sourceMappingURL=chart_pie.min.js.map
+/**
+ * Chart pie.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_pie
+ */
+define("core/chart_pie",["core/chart_base"],(function(Base){function Pie(){Base.prototype.constructor.apply(this,arguments)}return Pie.prototype=Object.create(Base.prototype),Pie.prototype.TYPE="pie",Pie.prototype._doughnut=null,Pie.prototype.create=function(Klass,data){var chart=Base.prototype.create.apply(this,arguments);return chart.setDoughnut(data.doughnut),chart},Pie.prototype.addSeries=function(series){if(null===series.getColor()){for(var colors=[],configColorSet=this.getConfigColorSet()||Base.prototype.COLORSET,i=0;i<series.getCount();i++)colors.push(configColorSet[i%configColorSet.length]);series.setColors(colors)}return Base.prototype.addSeries.apply(this,arguments)},Pie.prototype.getDoughnut=function(){return this._doughnut},Pie.prototype.setDoughnut=function(doughnut){this._doughnut=Boolean(doughnut)},Pie.prototype._validateSeries=function(){if(this._series.length>=1)throw new Error("Pie charts only support one serie.");return Base.prototype._validateSeries.apply(this,arguments)},Pie}));
+
+//# sourceMappingURL=chart_pie.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_pie.min.js.map b/lib/amd/build/chart_pie.min.js.map
index 524d1765aec..8ba7e277e63 100644
--- a/lib/amd/build/chart_pie.min.js.map
+++ b/lib/amd/build/chart_pie.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/chart_pie.js"],"names":["define","Base","Pie","prototype","constructor","apply","arguments","Object","create","TYPE","_doughnut","Klass","data","chart","setDoughnut","doughnut","addSeries","series","getColor","colors","configColorSet","getConfigColorSet","COLORSET","i","getCount","push","length","setColors","getDoughnut","_validateSeries","_series","Error"],"mappings":"AAuBAA,OAAM,kBAAC,CAAC,iBAAD,CAAD,CAAsB,SAASC,CAAT,CAAe,CASvC,QAASC,CAAAA,CAAT,EAAe,CACXD,CAAI,CAACE,SAAL,CAAeC,WAAf,CAA2BC,KAA3B,CAAiC,IAAjC,CAAuCC,SAAvC,CACH,CACDJ,CAAG,CAACC,SAAJ,CAAgBI,MAAM,CAACC,MAAP,CAAcP,CAAI,CAACE,SAAnB,CAAhB,CAGAD,CAAG,CAACC,SAAJ,CAAcM,IAAd,CAAqB,KAArB,CAQAP,CAAG,CAACC,SAAJ,CAAcO,SAAd,CAA0B,IAA1B,CAGAR,CAAG,CAACC,SAAJ,CAAcK,MAAd,CAAuB,SAASG,CAAT,CAAgBC,CAAhB,CAAsB,CACzC,GAAIC,CAAAA,CAAK,CAAGZ,CAAI,CAACE,SAAL,CAAeK,MAAf,CAAsBH,KAAtB,CAA4B,IAA5B,CAAkCC,SAAlC,CAAZ,CACAO,CAAK,CAACC,WAAN,CAAkBF,CAAI,CAACG,QAAvB,EACA,MAAOF,CAAAA,CACV,CAJD,CAWAX,CAAG,CAACC,SAAJ,CAAca,SAAd,CAA0B,SAASC,CAAT,CAAiB,CACvC,GAA0B,IAAtB,GAAAA,CAAM,CAACC,QAAP,EAAJ,CAAgC,CAG5B,OAFIC,CAAAA,CAAM,CAAG,EAEb,CADIC,CAAc,CAAG,KAAKC,iBAAL,IAA4BpB,CAAI,CAACE,SAAL,CAAemB,QAChE,CAASC,CAAC,CAAG,CAAb,CAAgBA,CAAC,CAAGN,CAAM,CAACO,QAAP,EAApB,CAAuCD,CAAC,EAAxC,CAA4C,CACxCJ,CAAM,CAACM,IAAP,CAAYL,CAAc,CAACG,CAAC,CAAGH,CAAc,CAACM,MAApB,CAA1B,CACH,CACDT,CAAM,CAACU,SAAP,CAAiBR,CAAjB,CACH,CACD,MAAOlB,CAAAA,CAAI,CAACE,SAAL,CAAea,SAAf,CAAyBX,KAAzB,CAA+B,IAA/B,CAAqCC,SAArC,CACV,CAVD,CAkBAJ,CAAG,CAACC,SAAJ,CAAcyB,WAAd,CAA4B,UAAW,CACnC,MAAO,MAAKlB,SACf,CAFD,CAUAR,CAAG,CAACC,SAAJ,CAAcW,WAAd,CAA4B,SAASC,CAAT,CAAmB,CAC3C,KAAKL,SAAL,GAAyBK,CAC5B,CAFD,CAYAb,CAAG,CAACC,SAAJ,CAAc0B,eAAd,CAAgC,UAAW,CACvC,GAA2B,CAAvB,OAAKC,OAAL,CAAaJ,MAAjB,CAA8B,CAC1B,KAAM,IAAIK,CAAAA,KAAJ,CAAU,oCAAV,CACT,CACD,MAAO9B,CAAAA,CAAI,CAACE,SAAL,CAAe0B,eAAf,CAA+BxB,KAA/B,CAAqC,IAArC,CAA2CC,SAA3C,CACV,CALD,CAOA,MAAOJ,CAAAA,CAEV,CAtFK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart pie.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_pie\n */\ndefine(['core/chart_base'], function(Base) {\n\n    /**\n     * Pie chart.\n     *\n     * @class\n     * @alias module:core/chart_pie\n     * @extends {module:core/chart_base}\n     */\n    function Pie() {\n        Base.prototype.constructor.apply(this, arguments);\n    }\n    Pie.prototype = Object.create(Base.prototype);\n\n    /** @override */\n    Pie.prototype.TYPE = 'pie';\n\n    /**\n     * Whether the chart should be displayed as doughnut or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Pie.prototype._doughnut = null;\n\n    /** @override */\n    Pie.prototype.create = function(Klass, data) {\n        var chart = Base.prototype.create.apply(this, arguments);\n        chart.setDoughnut(data.doughnut);\n        return chart;\n    };\n\n    /**\n     * Overridden to add appropriate colors to the series.\n     *\n     * @override\n     */\n    Pie.prototype.addSeries = function(series) {\n        if (series.getColor() === null) {\n            var colors = [];\n            var configColorSet = this.getConfigColorSet() || Base.prototype.COLORSET;\n            for (var i = 0; i < series.getCount(); i++) {\n                colors.push(configColorSet[i % configColorSet.length]);\n            }\n            series.setColors(colors);\n        }\n        return Base.prototype.addSeries.apply(this, arguments);\n    };\n\n    /**\n     * Get whether the chart should be displayed as doughnut or not.\n     *\n     * @method getDoughnut\n     * @returns {Bool}\n     */\n    Pie.prototype.getDoughnut = function() {\n        return this._doughnut;\n    };\n\n    /**\n     * Set whether the chart should be displayed as doughnut or not.\n     *\n     * @method setDoughnut\n     * @param {Bool} doughnut True for doughnut type, false for pie.\n     */\n    Pie.prototype.setDoughnut = function(doughnut) {\n        this._doughnut = Boolean(doughnut);\n    };\n\n    /**\n     * Validate a series.\n     *\n     * Overrides parent implementation to validate that there is only\n     * one series per chart instance.\n     *\n     * @override\n     */\n    Pie.prototype._validateSeries = function() {\n        if (this._series.length >= 1) {\n            throw new Error('Pie charts only support one serie.');\n        }\n        return Base.prototype._validateSeries.apply(this, arguments);\n    };\n\n    return Pie;\n\n});\n"],"file":"chart_pie.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_pie.min.js","sources":["../src/chart_pie.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart pie.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_pie\n */\ndefine(['core/chart_base'], function(Base) {\n\n    /**\n     * Pie chart.\n     *\n     * @class\n     * @alias module:core/chart_pie\n     * @extends {module:core/chart_base}\n     */\n    function Pie() {\n        Base.prototype.constructor.apply(this, arguments);\n    }\n    Pie.prototype = Object.create(Base.prototype);\n\n    /** @override */\n    Pie.prototype.TYPE = 'pie';\n\n    /**\n     * Whether the chart should be displayed as doughnut or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Pie.prototype._doughnut = null;\n\n    /** @override */\n    Pie.prototype.create = function(Klass, data) {\n        var chart = Base.prototype.create.apply(this, arguments);\n        chart.setDoughnut(data.doughnut);\n        return chart;\n    };\n\n    /**\n     * Overridden to add appropriate colors to the series.\n     *\n     * @override\n     */\n    Pie.prototype.addSeries = function(series) {\n        if (series.getColor() === null) {\n            var colors = [];\n            var configColorSet = this.getConfigColorSet() || Base.prototype.COLORSET;\n            for (var i = 0; i < series.getCount(); i++) {\n                colors.push(configColorSet[i % configColorSet.length]);\n            }\n            series.setColors(colors);\n        }\n        return Base.prototype.addSeries.apply(this, arguments);\n    };\n\n    /**\n     * Get whether the chart should be displayed as doughnut or not.\n     *\n     * @method getDoughnut\n     * @returns {Bool}\n     */\n    Pie.prototype.getDoughnut = function() {\n        return this._doughnut;\n    };\n\n    /**\n     * Set whether the chart should be displayed as doughnut or not.\n     *\n     * @method setDoughnut\n     * @param {Bool} doughnut True for doughnut type, false for pie.\n     */\n    Pie.prototype.setDoughnut = function(doughnut) {\n        this._doughnut = Boolean(doughnut);\n    };\n\n    /**\n     * Validate a series.\n     *\n     * Overrides parent implementation to validate that there is only\n     * one series per chart instance.\n     *\n     * @override\n     */\n    Pie.prototype._validateSeries = function() {\n        if (this._series.length >= 1) {\n            throw new Error('Pie charts only support one serie.');\n        }\n        return Base.prototype._validateSeries.apply(this, arguments);\n    };\n\n    return Pie;\n\n});\n"],"names":["define","Base","Pie","prototype","constructor","apply","this","arguments","Object","create","TYPE","_doughnut","Klass","data","chart","setDoughnut","doughnut","addSeries","series","getColor","colors","configColorSet","getConfigColorSet","COLORSET","i","getCount","push","length","setColors","getDoughnut","Boolean","_validateSeries","_series","Error"],"mappings":";;;;;;;;AAuBAA,wBAAO,CAAC,oBAAoB,SAASC,eASxBC,MACLD,KAAKE,UAAUC,YAAYC,MAAMC,KAAMC,kBAE3CL,IAAIC,UAAYK,OAAOC,OAAOR,KAAKE,WAGnCD,IAAIC,UAAUO,KAAO,MAQrBR,IAAIC,UAAUQ,UAAY,KAG1BT,IAAIC,UAAUM,OAAS,SAASG,MAAOC,UAC/BC,MAAQb,KAAKE,UAAUM,OAAOJ,MAAMC,KAAMC,kBAC9CO,MAAMC,YAAYF,KAAKG,UAChBF,OAQXZ,IAAIC,UAAUc,UAAY,SAASC,WACL,OAAtBA,OAAOC,WAAqB,SACxBC,OAAS,GACTC,eAAiBf,KAAKgB,qBAAuBrB,KAAKE,UAAUoB,SACvDC,EAAI,EAAGA,EAAIN,OAAOO,WAAYD,IACnCJ,OAAOM,KAAKL,eAAeG,EAAIH,eAAeM,SAElDT,OAAOU,UAAUR,eAEdnB,KAAKE,UAAUc,UAAUZ,MAAMC,KAAMC,YAShDL,IAAIC,UAAU0B,YAAc,kBACjBvB,KAAKK,WAShBT,IAAIC,UAAUY,YAAc,SAASC,eAC5BL,UAAYmB,QAAQd,WAW7Bd,IAAIC,UAAU4B,gBAAkB,cACxBzB,KAAK0B,QAAQL,QAAU,QACjB,IAAIM,MAAM,6CAEbhC,KAAKE,UAAU4B,gBAAgB1B,MAAMC,KAAMC,YAG/CL"}
\ No newline at end of file
diff --git a/lib/amd/build/chart_series.min.js b/lib/amd/build/chart_series.min.js
index ddf2a3d31f6..113320a6161 100644
--- a/lib/amd/build/chart_series.min.js
+++ b/lib/amd/build/chart_series.min.js
@@ -1,2 +1,11 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/chart_series",[],function(){function a(a,b){if("string"!=typeof a){throw new Error("Invalid label for series.")}else if("object"!==_typeof(b)){throw new Error("Values for a series must be an array.")}else if(1>b.length){throw new Error("Invalid values received for series.")}this._colors=[];this._label=a;this._values=b}a.prototype.TYPE_DEFAULT=null;a.prototype.TYPE_LINE="line";a.prototype._colors=null;a.prototype._fill=!1;a.prototype._label=null;a.prototype._labels=null;a.prototype._smooth=!1;a.prototype._type=a.prototype.TYPE_DEFAULT;a.prototype._values=null;a.prototype._xaxis=null;a.prototype._yaxis=null;a.prototype.create=function(b){var c=new a(b.label,b.values);c.setType(b.type);c.setXAxis(b.axes.x);c.setYAxis(b.axes.y);c.setLabels(b.labels);if(b.colors&&1<b.colors.length){c.setColors(b.colors)}else{c.setColor(b.colors[0])}c.setFill(b.fill);c.setSmooth(b.smooth);return c};a.prototype.getColor=function(){return this._colors[0]||null};a.prototype.getColors=function(){return this._colors};a.prototype.getCount=function(){return this._values.length};a.prototype.getFill=function(){return this._fill};a.prototype.getLabel=function(){return this._label};a.prototype.getLabels=function(){return this._labels};a.prototype.getSmooth=function(){return this._smooth};a.prototype.getType=function(){return this._type};a.prototype.getValues=function(){return this._values};a.prototype.getXAxis=function(){return this._xaxis};a.prototype.getYAxis=function(){return this._yaxis};a.prototype.hasColoredValues=function(){return this._colors.length==this.getCount()};a.prototype.setColor=function(a){this._colors=[a]};a.prototype.setColors=function(a){if(a&&a.length!=this.getCount()){throw new Error("When setting multiple colors there must be one per value.")}this._colors=a||[]};a.prototype.setFill=function(a){this._fill="undefined"==typeof a?null:a};a.prototype.setLabels=function(a){this._validateLabels(a);a="undefined"==typeof a?null:a;this._labels=a};a.prototype.setSmooth=function(a){a="undefined"==typeof a?null:a;this._smooth=a};a.prototype.setType=function(a){if(a!=this.TYPE_DEFAULT&&a!=this.TYPE_LINE){throw new Error("Invalid serie type.")}this._type=a||null};a.prototype.setXAxis=function(a){this._xaxis=a||null};a.prototype.setYAxis=function(a){this._yaxis=a||null};a.prototype._validateLabels=function(a){if(a&&0<a.length&&a.length!=this.getCount()){throw new Error("Series labels must match series values.")}};return a});
-//# sourceMappingURL=chart_series.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * Chart series.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @module     core/chart_series
+ */}define("core/chart_series",[],(function(){function Series(label,values){if("string"!=typeof label)throw new Error("Invalid label for series.");if("object"!==_typeof(values))throw new Error("Values for a series must be an array.");if(values.length<1)throw new Error("Invalid values received for series.");this._colors=[],this._label=label,this._values=values}return Series.prototype.TYPE_DEFAULT=null,Series.prototype.TYPE_LINE="line",Series.prototype._colors=null,Series.prototype._fill=!1,Series.prototype._label=null,Series.prototype._labels=null,Series.prototype._smooth=!1,Series.prototype._type=Series.prototype.TYPE_DEFAULT,Series.prototype._values=null,Series.prototype._xaxis=null,Series.prototype._yaxis=null,Series.prototype.create=function(obj){var s=new Series(obj.label,obj.values);return s.setType(obj.type),s.setXAxis(obj.axes.x),s.setYAxis(obj.axes.y),s.setLabels(obj.labels),obj.colors&&obj.colors.length>1?s.setColors(obj.colors):s.setColor(obj.colors[0]),s.setFill(obj.fill),s.setSmooth(obj.smooth),s},Series.prototype.getColor=function(){return this._colors[0]||null},Series.prototype.getColors=function(){return this._colors},Series.prototype.getCount=function(){return this._values.length},Series.prototype.getFill=function(){return this._fill},Series.prototype.getLabel=function(){return this._label},Series.prototype.getLabels=function(){return this._labels},Series.prototype.getSmooth=function(){return this._smooth},Series.prototype.getType=function(){return this._type},Series.prototype.getValues=function(){return this._values},Series.prototype.getXAxis=function(){return this._xaxis},Series.prototype.getYAxis=function(){return this._yaxis},Series.prototype.hasColoredValues=function(){return this._colors.length==this.getCount()},Series.prototype.setColor=function(color){this._colors=[color]},Series.prototype.setColors=function(colors){if(colors&&colors.length!=this.getCount())throw new Error("When setting multiple colors there must be one per value.");this._colors=colors||[]},Series.prototype.setFill=function(fill){this._fill=void 0===fill?null:fill},Series.prototype.setLabels=function(labels){this._validateLabels(labels),labels=void 0===labels?null:labels,this._labels=labels},Series.prototype.setSmooth=function(smooth){smooth=void 0===smooth?null:smooth,this._smooth=smooth},Series.prototype.setType=function(type){if(type!=this.TYPE_DEFAULT&&type!=this.TYPE_LINE)throw new Error("Invalid serie type.");this._type=type||null},Series.prototype.setXAxis=function(index){this._xaxis=index||null},Series.prototype.setYAxis=function(index){this._yaxis=index||null},Series.prototype._validateLabels=function(labels){if(labels&&labels.length>0&&labels.length!=this.getCount())throw new Error("Series labels must match series values.")},Series}));
+
+//# sourceMappingURL=chart_series.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chart_series.min.js.map b/lib/amd/build/chart_series.min.js.map
index 9466fd3fd8e..05220861329 100644
--- a/lib/amd/build/chart_series.min.js.map
+++ b/lib/amd/build/chart_series.min.js.map
@@ -1 +1 @@
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart series.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_series\n */\ndefine([], function() {\n\n    /**\n     * Chart data series.\n     *\n     * @class\n     * @alias module:core/chart_series\n     * @param {String} label The series label.\n     * @param {Number[]} values The values.\n     */\n    function Series(label, values) {\n        if (typeof label !== 'string') {\n            throw new Error('Invalid label for series.');\n\n        } else if (typeof values !== 'object') {\n            throw new Error('Values for a series must be an array.');\n\n        } else if (values.length < 1) {\n            throw new Error('Invalid values received for series.');\n        }\n\n        this._colors = [];\n        this._label = label;\n        this._values = values;\n    }\n\n    /**\n     * The default type of series.\n     *\n     * @type {Null}\n     * @const\n     */\n    Series.prototype.TYPE_DEFAULT = null;\n\n    /**\n     * Type of series 'line'.\n     *\n     * @type {String}\n     * @const\n     */\n    Series.prototype.TYPE_LINE = 'line';\n\n    /**\n     * The colors of the series.\n     *\n     * @type {String[]}\n     * @protected\n     */\n    Series.prototype._colors = null;\n\n    /**\n     * The fill mode of the series.\n     *\n     * @type {Object}\n     * @protected\n     */\n    Series.prototype._fill = false;\n\n    /**\n     * The label of the series.\n     *\n     * @type {String}\n     * @protected\n     */\n    Series.prototype._label = null;\n\n    /**\n     * The labels for the values of the series.\n     *\n     * @type {String[]}\n     * @protected\n     */\n     Series.prototype._labels = null;\n\n    /**\n     * Whether the line of the serie should be smooth or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Series.prototype._smooth = false;\n\n    /**\n     * The type of the series.\n     *\n     * @type {String}\n     * @protected\n     */\n    Series.prototype._type = Series.prototype.TYPE_DEFAULT;\n\n    /**\n     * The values in the series.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._values = null;\n\n    /**\n     * The index of the X axis.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._xaxis = null;\n\n    /**\n     * The index of the Y axis.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._yaxis = null;\n\n    /**\n     * Create a new instance of a series from serialised data.\n     *\n     * @static\n     * @method create\n     * @param {Object} obj The data of the series.\n     * @return {module:core/chart_series}\n     */\n    Series.prototype.create = function(obj) {\n        var s = new Series(obj.label, obj.values);\n        s.setType(obj.type);\n        s.setXAxis(obj.axes.x);\n        s.setYAxis(obj.axes.y);\n        s.setLabels(obj.labels);\n\n        // Colors are exported as an array with 1, or n values.\n        if (obj.colors && obj.colors.length > 1) {\n            s.setColors(obj.colors);\n        } else {\n            s.setColor(obj.colors[0]);\n        }\n\n        s.setFill(obj.fill);\n        s.setSmooth(obj.smooth);\n        return s;\n    };\n\n    /**\n     * Get the color.\n     *\n     * @return {String}\n     */\n    Series.prototype.getColor = function() {\n        return this._colors[0] || null;\n    };\n\n    /**\n     * Get the colors for each value in the series.\n     *\n     * @return {String[]}\n     */\n    Series.prototype.getColors = function() {\n        return this._colors;\n    };\n\n    /**\n     * Get the number of values in the series.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getCount = function() {\n        return this._values.length;\n    };\n\n    /**\n     * Get the fill mode of the series.\n     *\n     * @return {Object}\n     */\n    Series.prototype.getFill = function() {\n      return this._fill;\n    };\n\n    /**\n     * Get the series label.\n     *\n     * @return {String}\n     */\n    Series.prototype.getLabel = function() {\n        return this._label;\n    };\n\n    /**\n     * Get labels for the values of the series.\n     *\n     * @return {String[]}\n     */\n    Series.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get whether the line of the serie should be smooth or not.\n     *\n     * @returns {Bool}\n     */\n    Series.prototype.getSmooth = function() {\n        return this._smooth;\n    };\n\n    /**\n     * Get the series type.\n     *\n     * @return {String}\n     */\n    Series.prototype.getType = function() {\n        return this._type;\n    };\n\n    /**\n     * Get the series values.\n     *\n     * @return {Number[]}\n     */\n    Series.prototype.getValues = function() {\n        return this._values;\n    };\n\n    /**\n     * Get the index of the X axis.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getXAxis = function() {\n        return this._xaxis;\n    };\n\n    /**\n     * Get the index of the Y axis.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getYAxis = function() {\n        return this._yaxis;\n    };\n\n    /**\n     * Whether there is a color per value.\n     *\n     * @return {Bool}\n     */\n    Series.prototype.hasColoredValues = function() {\n        return this._colors.length == this.getCount();\n    };\n\n    /**\n     * Set the series color.\n     *\n     * @param {String} color A CSS-compatible color.\n     */\n    Series.prototype.setColor = function(color) {\n        this._colors = [color];\n    };\n\n    /**\n     * Set a color for each value in the series.\n     *\n     * @param {String[]} colors CSS-compatible colors.\n     */\n    Series.prototype.setColors = function(colors) {\n        if (colors && colors.length != this.getCount()) {\n            throw new Error('When setting multiple colors there must be one per value.');\n        }\n        this._colors = colors || [];\n    };\n\n    /**\n     * Set the fill mode for the series.\n     *\n     * @param {Object} fill\n     */\n    Series.prototype.setFill = function(fill) {\n      this._fill = typeof fill === 'undefined' ? null : fill;\n    };\n\n    /**\n     * Set the labels for the values of the series.\n     *\n     * @param {String[]} labels the labels of the series values.\n     */\n    Series.prototype.setLabels = function(labels) {\n        this._validateLabels(labels);\n        labels = typeof labels === 'undefined' ? null : labels;\n        this._labels = labels;\n    };\n\n    /**\n     * Set Whether the line of the serie should be smooth or not.\n     *\n     * Only applicable for line chart or a line series, if null it assumes the chart default (not smooth).\n     *\n     * @param {Bool} smooth True if the lines should be smooth, false for tensioned lines.\n     */\n    Series.prototype.setSmooth = function(smooth) {\n        smooth = typeof smooth === 'undefined' ? null : smooth;\n        this._smooth = smooth;\n    };\n\n    /**\n     * Set the type of the series.\n     *\n     * @param {String} type A type constant value.\n     */\n    Series.prototype.setType = function(type) {\n        if (type != this.TYPE_DEFAULT && type != this.TYPE_LINE) {\n            throw new Error('Invalid serie type.');\n        }\n        this._type = type || null;\n    };\n\n    /**\n     * Set the index of the X axis.\n     *\n     * @param {Number} index The index.\n     */\n    Series.prototype.setXAxis = function(index) {\n        this._xaxis = index || null;\n    };\n\n\n    /**\n     * Set the index of the Y axis.\n     *\n     * @param {Number} index The index.\n     */\n    Series.prototype.setYAxis = function(index) {\n        this._yaxis = index || null;\n    };\n\n    /**\n     * Validate series labels.\n     *\n     * @protected\n     * @param {String[]} labels The labels of the serie.\n     */\n    Series.prototype._validateLabels = function(labels) {\n        if (labels && labels.length > 0 && labels.length != this.getCount()) {\n            throw new Error('Series labels must match series values.');\n        }\n    };\n\n    return Series;\n\n});\n"],"file":"chart_series.min.js"}
\ No newline at end of file
+{"version":3,"file":"chart_series.min.js","sources":["../src/chart_series.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart series.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @module     core/chart_series\n */\ndefine([], function() {\n\n    /**\n     * Chart data series.\n     *\n     * @class\n     * @alias module:core/chart_series\n     * @param {String} label The series label.\n     * @param {Number[]} values The values.\n     */\n    function Series(label, values) {\n        if (typeof label !== 'string') {\n            throw new Error('Invalid label for series.');\n\n        } else if (typeof values !== 'object') {\n            throw new Error('Values for a series must be an array.');\n\n        } else if (values.length < 1) {\n            throw new Error('Invalid values received for series.');\n        }\n\n        this._colors = [];\n        this._label = label;\n        this._values = values;\n    }\n\n    /**\n     * The default type of series.\n     *\n     * @type {Null}\n     * @const\n     */\n    Series.prototype.TYPE_DEFAULT = null;\n\n    /**\n     * Type of series 'line'.\n     *\n     * @type {String}\n     * @const\n     */\n    Series.prototype.TYPE_LINE = 'line';\n\n    /**\n     * The colors of the series.\n     *\n     * @type {String[]}\n     * @protected\n     */\n    Series.prototype._colors = null;\n\n    /**\n     * The fill mode of the series.\n     *\n     * @type {Object}\n     * @protected\n     */\n    Series.prototype._fill = false;\n\n    /**\n     * The label of the series.\n     *\n     * @type {String}\n     * @protected\n     */\n    Series.prototype._label = null;\n\n    /**\n     * The labels for the values of the series.\n     *\n     * @type {String[]}\n     * @protected\n     */\n     Series.prototype._labels = null;\n\n    /**\n     * Whether the line of the serie should be smooth or not.\n     *\n     * @type {Bool}\n     * @protected\n     */\n    Series.prototype._smooth = false;\n\n    /**\n     * The type of the series.\n     *\n     * @type {String}\n     * @protected\n     */\n    Series.prototype._type = Series.prototype.TYPE_DEFAULT;\n\n    /**\n     * The values in the series.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._values = null;\n\n    /**\n     * The index of the X axis.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._xaxis = null;\n\n    /**\n     * The index of the Y axis.\n     *\n     * @type {Number[]}\n     * @protected\n     */\n    Series.prototype._yaxis = null;\n\n    /**\n     * Create a new instance of a series from serialised data.\n     *\n     * @static\n     * @method create\n     * @param {Object} obj The data of the series.\n     * @return {module:core/chart_series}\n     */\n    Series.prototype.create = function(obj) {\n        var s = new Series(obj.label, obj.values);\n        s.setType(obj.type);\n        s.setXAxis(obj.axes.x);\n        s.setYAxis(obj.axes.y);\n        s.setLabels(obj.labels);\n\n        // Colors are exported as an array with 1, or n values.\n        if (obj.colors && obj.colors.length > 1) {\n            s.setColors(obj.colors);\n        } else {\n            s.setColor(obj.colors[0]);\n        }\n\n        s.setFill(obj.fill);\n        s.setSmooth(obj.smooth);\n        return s;\n    };\n\n    /**\n     * Get the color.\n     *\n     * @return {String}\n     */\n    Series.prototype.getColor = function() {\n        return this._colors[0] || null;\n    };\n\n    /**\n     * Get the colors for each value in the series.\n     *\n     * @return {String[]}\n     */\n    Series.prototype.getColors = function() {\n        return this._colors;\n    };\n\n    /**\n     * Get the number of values in the series.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getCount = function() {\n        return this._values.length;\n    };\n\n    /**\n     * Get the fill mode of the series.\n     *\n     * @return {Object}\n     */\n    Series.prototype.getFill = function() {\n      return this._fill;\n    };\n\n    /**\n     * Get the series label.\n     *\n     * @return {String}\n     */\n    Series.prototype.getLabel = function() {\n        return this._label;\n    };\n\n    /**\n     * Get labels for the values of the series.\n     *\n     * @return {String[]}\n     */\n    Series.prototype.getLabels = function() {\n        return this._labels;\n    };\n\n    /**\n     * Get whether the line of the serie should be smooth or not.\n     *\n     * @returns {Bool}\n     */\n    Series.prototype.getSmooth = function() {\n        return this._smooth;\n    };\n\n    /**\n     * Get the series type.\n     *\n     * @return {String}\n     */\n    Series.prototype.getType = function() {\n        return this._type;\n    };\n\n    /**\n     * Get the series values.\n     *\n     * @return {Number[]}\n     */\n    Series.prototype.getValues = function() {\n        return this._values;\n    };\n\n    /**\n     * Get the index of the X axis.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getXAxis = function() {\n        return this._xaxis;\n    };\n\n    /**\n     * Get the index of the Y axis.\n     *\n     * @return {Number}\n     */\n    Series.prototype.getYAxis = function() {\n        return this._yaxis;\n    };\n\n    /**\n     * Whether there is a color per value.\n     *\n     * @return {Bool}\n     */\n    Series.prototype.hasColoredValues = function() {\n        return this._colors.length == this.getCount();\n    };\n\n    /**\n     * Set the series color.\n     *\n     * @param {String} color A CSS-compatible color.\n     */\n    Series.prototype.setColor = function(color) {\n        this._colors = [color];\n    };\n\n    /**\n     * Set a color for each value in the series.\n     *\n     * @param {String[]} colors CSS-compatible colors.\n     */\n    Series.prototype.setColors = function(colors) {\n        if (colors && colors.length != this.getCount()) {\n            throw new Error('When setting multiple colors there must be one per value.');\n        }\n        this._colors = colors || [];\n    };\n\n    /**\n     * Set the fill mode for the series.\n     *\n     * @param {Object} fill\n     */\n    Series.prototype.setFill = function(fill) {\n      this._fill = typeof fill === 'undefined' ? null : fill;\n    };\n\n    /**\n     * Set the labels for the values of the series.\n     *\n     * @param {String[]} labels the labels of the series values.\n     */\n    Series.prototype.setLabels = function(labels) {\n        this._validateLabels(labels);\n        labels = typeof labels === 'undefined' ? null : labels;\n        this._labels = labels;\n    };\n\n    /**\n     * Set Whether the line of the serie should be smooth or not.\n     *\n     * Only applicable for line chart or a line series, if null it assumes the chart default (not smooth).\n     *\n     * @param {Bool} smooth True if the lines should be smooth, false for tensioned lines.\n     */\n    Series.prototype.setSmooth = function(smooth) {\n        smooth = typeof smooth === 'undefined' ? null : smooth;\n        this._smooth = smooth;\n    };\n\n    /**\n     * Set the type of the series.\n     *\n     * @param {String} type A type constant value.\n     */\n    Series.prototype.setType = function(type) {\n        if (type != this.TYPE_DEFAULT && type != this.TYPE_LINE) {\n            throw new Error('Invalid serie type.');\n        }\n        this._type = type || null;\n    };\n\n    /**\n     * Set the index of the X axis.\n     *\n     * @param {Number} index The index.\n     */\n    Series.prototype.setXAxis = function(index) {\n        this._xaxis = index || null;\n    };\n\n\n    /**\n     * Set the index of the Y axis.\n     *\n     * @param {Number} index The index.\n     */\n    Series.prototype.setYAxis = function(index) {\n        this._yaxis = index || null;\n    };\n\n    /**\n     * Validate series labels.\n     *\n     * @protected\n     * @param {String[]} labels The labels of the serie.\n     */\n    Series.prototype._validateLabels = function(labels) {\n        if (labels && labels.length > 0 && labels.length != this.getCount()) {\n            throw new Error('Series labels must match series values.');\n        }\n    };\n\n    return 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diff --git a/lib/amd/build/chartjs-lazy.min.js b/lib/amd/build/chartjs-lazy.min.js
index 4472a3171dd..f6782492ad4 100644
--- a/lib/amd/build/chartjs-lazy.min.js
+++ b/lib/amd/build/chartjs-lazy.min.js
@@ -1,2 +1,3 @@
-function _typeof(e){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},_typeof(e)}(function(e){if("object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module){module.exports=e()}else if("function"==typeof define&&define.amd){define ("core/chartjs-lazy",[],e)}else{var t;if("undefined"!=typeof window){t=window}else if("undefined"!=typeof global){t=global}else if("undefined"!=typeof self){t=self}else{t=this}t.Chart=e()}})(function(){var e;return function c(d,t,n){function a(i,o){if(!t[i]){if(!d[i]){var s="function"==typeof require&&require;if(!o&&s)return s(i,!0);if(e)return e(i,!0);var h=new Error("Cannot find module '"+i+"'");throw h.code="MODULE_NOT_FOUND",h}var u=t[i]={exports:{}};d[i][0].call(u.exports,function(t){var e=d[i][1][t];return a(e?e:t)},u,u.exports,c,d,t,n)}return t[i].exports}for(var e="function"==typeof require&&require,i=0;i<n.length;i++){a(n[i])}return a}({1:[function(e,t){var a=e(5);t.exports={getRgba:o,getHsla:i,getRgb:function(e){var t=o(e);return t&&t.slice(0,3)},getHsl:function(e){var t=i(e);return t&&t.slice(0,3)},getHwb:n,getAlpha:function(e){var t=o(e);if(t){return t[3]}else if(t=i(e)){return t[3]}else if(t=n(e)){return t[3]}},hexString:function(e){return"#"+h(e[0])+h(e[1])+h(e[2])},rgbString:function(e,t){if(1>t||e[3]&&1>e[3]){return l(e,t)}return"rgb("+e[0]+", "+e[1]+", "+e[2]+")"},rgbaString:l,percentString:function(e,t){if(1>t||e[3]&&1>e[3]){return s(e,t)}var a=Math.round(100*(e[0]/255)),o=Math.round(100*(e[1]/255)),i=Math.round(100*(e[2]/255));return"rgb("+a+"%, "+o+"%, "+i+"%)"},percentaString:s,hslString:function(e,t){if(1>t||e[3]&&1>e[3]){return d(e,t)}return"hsl("+e[0]+", "+e[1]+"%, "+e[2]+"%)"},hslaString:d,hwbString:function(e,t){if(t===void 0){t=e[3]!==void 0?e[3]:1}return"hwb("+e[0]+", "+e[1]+"%, "+e[2]+"%"+(t!==void 0&&1!==t?", "+t:"")+")"},keyword:function(e){return u[e.slice(0,3)]}};function o(e){if(!e){return}var t=[0,0,0],o=1,n=e.match(/^#([a-fA-F0-9]{3})$/i);if(n){n=n[1];for(var l=0;l<t.length;l++){t[l]=parseInt(n[l]+n[l],16)}}else if(n=e.match(/^#([a-fA-F0-9]{6})$/i)){n=n[1];for(var l=0;l<t.length;l++){t[l]=parseInt(n.slice(2*l,2*l+2),16)}}else if(n=e.match(/^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i)){for(var l=0;l<t.length;l++){t[l]=parseInt(n[l+1])}o=parseFloat(n[4])}else if(n=e.match(/^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i)){for(var l=0;l<t.length;l++){t[l]=Math.round(2.55*parseFloat(n[l+1]))}o=parseFloat(n[4])}else if(n=e.match(/(\w+)/)){if("transparent"==n[1]){return[0,0,0,0]}t=a[n[1]];if(!t){return}}for(var l=0;l<t.length;l++){t[l]=c(t[l],0,255)}if(!o&&0!=o){o=1}else{o=c(o,0,1)}t[3]=o;return t}function i(e){if(!e){return}var t=e.match(/^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/);if(t){var o=parseFloat(t[4]),i=c(parseInt(t[1]),0,360),n=c(parseFloat(t[2]),0,100),s=c(parseFloat(t[3]),0,100),l=c(isNaN(o)?1:o,0,1);return[i,n,s,l]}}function n(e){if(!e){return}var t=e.match(/^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/);if(t){var o=parseFloat(t[4]),i=c(parseInt(t[1]),0,360),n=c(parseFloat(t[2]),0,100),l=c(parseFloat(t[3]),0,100),s=c(isNaN(o)?1:o,0,1);return[i,n,l,s]}}function l(e,t){if(t===void 0){t=e[3]!==void 0?e[3]:1}return"rgba("+e[0]+", "+e[1]+", "+e[2]+", "+t+")"}function s(e,t){var a=Math.round(100*(e[0]/255)),o=Math.round(100*(e[1]/255)),i=Math.round(100*(e[2]/255));return"rgba("+a+"%, "+o+"%, "+i+"%, "+(t||e[3]||1)+")"}function d(e,t){if(t===void 0){t=e[3]!==void 0?e[3]:1}return"hsla("+e[0]+", "+e[1]+"%, "+e[2]+"%, "+t+")"}function c(e,t,a){return Math.min(Math.max(t,e),a)}function h(e){var t=e.toString(16).toUpperCase();return 2>t.length?"0"+t:t}var u={};for(var m in a){u[a[m]]=m}},{5:5}],2:[function(e,t){var a=e(4),o=e(1),i=function(e){if(e instanceof i){return e}if(!(this instanceof i)){return new i(e)}this.valid=!1;this.values={rgb:[0,0,0],hsl:[0,0,0],hsv:[0,0,0],hwb:[0,0,0],cmyk:[0,0,0,0],alpha:1};var t;if("string"==typeof e){t=o.getRgba(e);if(t){this.setValues("rgb",t)}else if(t=o.getHsla(e)){this.setValues("hsl",t)}else if(t=o.getHwb(e)){this.setValues("hwb",t)}}else if("object"===_typeof(e)){t=e;if(t.r!==void 0||t.red!==void 0){this.setValues("rgb",t)}else if(t.l!==void 0||t.lightness!==void 0){this.setValues("hsl",t)}else if(t.v!==void 0||t.value!==void 0){this.setValues("hsv",t)}else if(t.w!==void 0||t.whiteness!==void 0){this.setValues("hwb",t)}else if(t.c!==void 0||t.cyan!==void 0){this.setValues("cmyk",t)}}};i.prototype={isValid:function isValid(){return this.valid},rgb:function rgb(){return 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o.rgbaString(this.values.rgb,this.values.alpha)},percentString:function percentString(){return o.percentString(this.values.rgb,this.values.alpha)},hslString:function hslString(){return o.hslString(this.values.hsl,this.values.alpha)},hslaString:function hslaString(){return o.hslaString(this.values.hsl,this.values.alpha)},hwbString:function hwbString(){return o.hwbString(this.values.hwb,this.values.alpha)},keyword:function keyword(){return o.keyword(this.values.rgb,this.values.alpha)},rgbNumber:function rgbNumber(){var e=this.values.rgb;return e[0]<<16|e[1]<<8|e[2]},luminosity:function luminosity(){for(var e=this.values.rgb,t=[],a=0,o;a<e.length;a++){o=e[a]/255;t[a]=.03928>=o?o/12.92:Math.pow((o+.055)/1.055,2.4)}return .2126*t[0]+.7152*t[1]+.0722*t[2]},contrast:function contrast(e){var t=this.luminosity(),a=e.luminosity();if(t>a){return(t+.05)/(a+.05)}return(a+.05)/(t+.05)},level:function level(e){var t=this.contrast(e);if(7.1<=t){return"AAA"}return 4.5<=t?"AA":""},dark:function dark(){var e=this.values.rgb,t=(299*e[0]+587*e[1]+114*e[2])/1e3;return 128>t},light:function light(){return!this.dark()},negate:function negate(){for(var e=[],t=0;3>t;t++){e[t]=255-this.values.rgb[t]}this.setValues("rgb",e);return this},lighten:function lighten(e){var t=this.values.hsl;t[2]+=t[2]*e;this.setValues("hsl",t);return this},darken:function darken(e){var t=this.values.hsl;t[2]-=t[2]*e;this.setValues("hsl",t);return this},saturate:function saturate(e){var t=this.values.hsl;t[1]+=t[1]*e;this.setValues("hsl",t);return this},desaturate:function desaturate(e){var t=this.values.hsl;t[1]-=t[1]*e;this.setValues("hsl",t);return this},whiten:function whiten(e){var t=this.values.hwb;t[1]+=t[1]*e;this.setValues("hwb",t);return this},blacken:function blacken(e){var t=this.values.hwb;t[2]+=t[2]*e;this.setValues("hwb",t);return this},greyscale:function greyscale(){var e=this.values.rgb,t=.3*e[0]+.59*e[1]+.11*e[2];this.setValues("rgb",[t,t,t]);return this},clearer:function clearer(e){var t=this.values.alpha;this.setValues("alpha",t-t*e);return this},opaquer:function opaquer(e){var t=this.values.alpha;this.setValues("alpha",t+t*e);return this},rotate:function rotate(e){var t=this.values.hsl,a=(t[0]+e)%360;t[0]=0>a?360+a:a;this.setValues("hsl",t);return this},mix:function mix(e,t){var o=this,i=e,n=t===void 0?.5:t,l=2*n-1,s=o.alpha()-i.alpha(),a=((-1==l*s?l:(l+s)/(1+l*s))+1)/2,d=1-a;return this.rgb(a*o.red()+d*i.red(),a*o.green()+d*i.green(),a*o.blue()+d*i.blue()).alpha(o.alpha()*n+i.alpha()*(1-n))},toJSON:function toJSON(){return this.rgb()},clone:function clone(){var e=new i,t=this.values,a=e.values,o,n;for(var l in t){if(t.hasOwnProperty(l)){o=t[l];n={}.toString.call(o);if("[object Array]"===n){a[l]=o.slice(0)}else if("[object Number]"===n){a[l]=o}else{console.error("unexpected color value:",o)}}}return e}};i.prototype.spaces={rgb:["red","green","blue"],hsl:["hue","saturation","lightness"],hsv:["hue","saturation","value"],hwb:["hue","whiteness","blackness"],cmyk:["cyan","magenta","yellow","black"]};i.prototype.maxes={rgb:[255,255,255],hsl:[360,100,100],hsv:[360,100,100],hwb:[360,100,100],cmyk:[100,100,100,100]};i.prototype.getValues=function(e){for(var t=this.values,a={},o=0;o<e.length;o++){a[e.charAt(o)]=t[e][o]}if(1!==t.alpha){a.a=t.alpha}return a};i.prototype.setValues=function(e,t){var o=this.values,n=this.spaces,l=this.maxes,s=1,d;this.valid=!0;if("alpha"===e){s=t}else if(t.length){o[e]=t.slice(0,e.length);s=t[e.length]}else if(t[e.charAt(0)]!==void 0){for(d=0;d<e.length;d++){o[e][d]=t[e.charAt(d)]}s=t.a}else if(t[n[e][0]]!==void 0){var c=n[e];for(d=0;d<e.length;d++){o[e][d]=t[c[d]]}s=t.alpha}o.alpha=Math.max(0,Math.min(1,s===void 0?o.alpha:s));if("alpha"===e){return!1}var h;for(d=0;d<e.length;d++){h=Math.max(0,Math.min(l[e][d],o[e][d]));o[e][d]=Math.round(h)}for(var u in n){if(u!==e){o[u]=a[e][u](o[e])}}return!0};i.prototype.setSpace=function(e,t){var a=t[0];if(a===void 0){return this.getValues(e)}if("number"==typeof a){a=Array.prototype.slice.call(t)}this.setValues(e,a);return this};i.prototype.setChannel=function(e,t,a){var o=this.values[e];if(a===void 0){return o[t]}else if(a===o[t]){return this}o[t]=a;this.setValues(e,o);return this};if("undefined"!=typeof window){window.Color=i}t.exports=i},{1:1,4:4}],3:[function(e,t){t.exports={rgb2hsl:a,rgb2hsv:o,rgb2hwb:i,rgb2cmyk:n,rgb2keyword:l,rgb2xyz:s,rgb2lab:d,rgb2lch:function(e){return x(d(e))},hsl2rgb:c,hsl2hsv:function(e){var t=e[0],a=e[1]/100,o=e[2]/100,i,n;if(0==o){return[0,0,0]}o*=2;a*=1>=o?o:2-o;n=(o+a)/2;i=2*a/(o+a);return[t,100*i,100*n]},hsl2hwb:function(e){return i(c(e))},hsl2cmyk:function(e){return n(c(e))},hsl2keyword:function(e){return l(c(e))},hsv2rgb:h,hsv2hsl:function(e){var t=e[0],a=e[1]/100,o=e[2]/100,i,n;n=(2-a)*o;i=a*o;i/=1>=n?n:2-n;i=i||0;n/=2;return[t,100*i,100*n]},hsv2hwb:function(e){return i(h(e))},hsv2cmyk:function(e){return n(h(e))},hsv2keyword:function(e){return l(h(e))},hwb2rgb:u,hwb2hsl:function(e){return a(u(e))},hwb2hsv:function(e){return o(u(e))},hwb2cmyk:function(e){return n(u(e))},hwb2keyword:function(e){return l(u(e))},cmyk2rgb:m,cmyk2hsl:function(e){return a(m(e))},cmyk2hsv:function(e){return o(m(e))},cmyk2hwb:function(e){return i(m(e))},cmyk2keyword:function(e){return l(m(e))},keyword2rgb:v,keyword2hsl:function(e){return a(v(e))},keyword2hsv:function(e){return o(v(e))},keyword2hwb:function(e){return i(v(e))},keyword2cmyk:function(e){return n(v(e))},keyword2lab:function(e){return d(v(e))},keyword2xyz:function(e){return s(v(e))},xyz2rgb:p,xyz2lab:f,xyz2lch:function(e){return x(f(e))},lab2xyz:y,lab2rgb:k,lab2lch:x,lch2lab:_,lch2xyz:function(e){return y(_(e))},lch2rgb:function(e){return k(_(e))}};function a(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255,i=Math.min(t,a,o),n=Math.max(t,a,o),d=n-i,c,u,m;if(n==i)c=0;else if(t==n)c=(a-o)/d;else if(a==n)c=2+(o-t)/d;else if(o==n)c=4+(t-a)/d;c=Math.min(60*c,360);if(0>c)c+=360;m=(i+n)/2;if(n==i)u=0;else if(.5>=m)u=d/(n+i);else u=d/(2-n-i);return[c,100*u,100*m]}function o(e){var t=e[0],a=e[1],o=e[2],i=Math.min(t,a,o),n=Math.max(t,a,o),l=n-i,d,c,u;if(0==n)c=0;else c=1e3*(l/n)/10;if(n==i)d=0;else if(t==n)d=(a-o)/l;else if(a==n)d=2+(o-t)/l;else if(o==n)d=4+(t-a)/l;d=Math.min(60*d,360);if(0>d)d+=360;u=1e3*(n/255)/10;return[d,c,u]}function i(e){var t=e[0],o=e[1],i=e[2],n=a(e)[0],l=1/255*Math.min(t,Math.min(o,i)),i=1-1/255*Math.max(t,Math.max(o,i));return[n,100*l,100*i]}function n(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255,i,n,l,s;s=Math.min(1-t,1-a,1-o);i=(1-t-s)/(1-s)||0;n=(1-a-s)/(1-s)||0;l=(1-o-s)/(1-s)||0;return[100*i,100*n,100*l,100*s]}function l(e){return w[JSON.stringify(e)]}function s(e){var t=e[0]/255,a=e[1]/255,o=e[2]/255;t=.04045<t?Math.pow((t+.055)/1.055,2.4):t/12.92;a=.04045<a?Math.pow((a+.055)/1.055,2.4):a/12.92;o=.04045<o?Math.pow((o+.055)/1.055,2.4):o/12.92;var i=.4124*t+.3576*a+.1805*o,n=.2126*t+.7152*a+.0722*o,l=.0193*t+.1192*a+.9505*o;return[100*i,100*n,100*l]}function d(e){var t=s(e),o=t[0],i=t[1],n=t[2],d,c,h;o/=95.047;i/=100;n/=108.883;o=.008856<o?Math.pow(o,1/3):7.787*o+16/116;i=.008856<i?Math.pow(i,1/3):7.787*i+16/116;n=.008856<n?Math.pow(n,1/3):7.787*n+16/116;d=116*i-16;c=500*(o-i);h=200*(i-n);return[d,c,h]}function c(e){var t=e[0]/360,a=e[1]/100,o=e[2]/100,n,l,s,d,c;if(0==a){c=255*o;return[c,c,c]}if(.5>o)l=o*(1+a);else l=o+a-o*a;n=2*o-l;d=[0,0,0];for(var h=0;3>h;h++){s=t+1/3*-(h-1);0>s&&s++;1<s&&s--;if(1>6*s)c=n+6*(l-n)*s;else if(1>2*s)c=l;else if(2>3*s)c=n+6*((l-n)*(2/3-s));else c=n;d[h]=255*c}return d}function h(e){var a=e[0]/60,o=e[1]/100,i=e[2]/100,n=Math.floor(a)%6,l=a-Math.floor(a),s=255*i*(1-o),d=255*i*(1-o*l),c=255*i*(1-o*(1-l)),i=255*i;switch(n){case 0:return[i,c,s];case 1:return[d,i,s];case 2:return[s,i,c];case 3:return[s,d,i];case 4:return[c,s,i];case 5:return[i,s,d];}}function u(e){var t=e[0]/360,a=e[1]/100,o=e[2]/100,l=a+o,s,d,c,h;if(1<l){a/=l;o/=l}s=Math.floor(6*t);d=1-o;c=6*t-s;if(0!=(1&s)){c=1-c}h=a+c*(d-a);switch(s){default:case 6:case 0:r=d;g=h;b=a;break;case 1:r=h;g=d;b=a;break;case 2:r=a;g=d;b=h;break;case 3:r=a;g=h;b=d;break;case 4:r=h;g=a;b=d;break;case 5:r=d;g=a;b=h;break;}return[255*r,255*g,255*b]}function m(e){var t=e[0]/100,a=e[1]/100,o=e[2]/100,i=e[3]/100,n,l,s;n=1-Math.min(1,t*(1-i)+i);l=1-Math.min(1,a*(1-i)+i);s=1-Math.min(1,o*(1-i)+i);return[255*n,255*l,255*s]}function p(e){var t=e[0]/100,a=e[1]/100,o=e[2]/100,i,n,l;i=3.2406*t+-1.5372*a+-.4986*o;n=-.9689*t+1.8758*a+.0415*o;l=.0557*t+-.204*a+1.057*o;i=.0031308<i?1.055*Math.pow(i,1/2.4)-.055:i=12.92*i;n=.0031308<n?1.055*Math.pow(n,1/2.4)-.055:n=12.92*n;l=.0031308<l?1.055*Math.pow(l,1/2.4)-.055:l=12.92*l;i=Math.min(Math.max(0,i),1);n=Math.min(Math.max(0,n),1);l=Math.min(Math.max(0,l),1);return[255*i,255*n,255*l]}function f(e){var t=e[0],o=e[1],i=e[2],n,s,d;t/=95.047;o/=100;i/=108.883;t=.008856<t?Math.pow(t,1/3):7.787*t+16/116;o=.008856<o?Math.pow(o,1/3):7.787*o+16/116;i=.008856<i?Math.pow(i,1/3):7.787*i+16/116;n=116*o-16;s=500*(t-o);d=200*(o-i);return[n,s,d]}function y(e){var t=e[0],o=e[1],a=e[2],i,n,l,s;if(8>=t){n=100*t/903.3;s=7.787*(n/100)+16/116}else{n=100*Math.pow((t+16)/116,3);s=Math.pow(n/100,1/3)}i=.008856>=i/95.047?i=95.047*(o/500+s-16/116)/7.787:95.047*Math.pow(o/500+s,3);l=.008859>=l/108.883?l=108.883*(s-a/200-16/116)/7.787:108.883*Math.pow(s-a/200,3);return[i,n,l]}function x(e){var t=e[0],o=e[1],a=e[2],i,n,l;i=Math.atan2(a,o);n=360*i/2/Math.PI;if(0>n){n+=360}l=Math.sqrt(o*o+a*a);return[t,l,n]}function k(e){return p(y(e))}function _(e){var t=e[0],o=e[1],i=e[2],n,l,s;s=2*(i/360)*Math.PI;n=o*Math.cos(s);l=o*Math.sin(s);return[t,n,l]}function v(e){return S[e]}var S={aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategray:[47,79,79],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],grey:[128,128,128],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],rebeccapurple:[102,51,153],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50]},w={};for(var 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s.length},getStackIndex:function getStackIndex(e){return this.getStackCount(e)-1},getRuler:function getRuler(){var e=this,t=e.getIndexScale(),a=e.getStackCount(),o=e.index,n=[],l=t.isHorizontal(),s=l?t.left:t.top,d=s+(l?t.width:t.height),c,h;for(c=0,h=e.getMeta().data.length;c<h;++c){n.push(t.getPixelForValue(null,c,o))}return{pixels:n,start:s,end:d,stackCount:a,scale:t}},calculateBarValuePixels:function calculateBarValuePixels(e,t){var a=this,o=a.chart,n=a.getMeta(),l=a.getValueScale(),s=o.data.datasets,d=l.getRightValue(s[e].data[t]),c=l.options.stacked,h=n.stack,u=0,m,p,f,y,x,k;if(c||c===void 0&&h!==void 0){for(m=0;m<e;++m){p=o.getDatasetMeta(m);if(p.bar&&p.stack===h&&p.controller.getValueScaleId()===l.id&&o.isDatasetVisible(m)){f=l.getRightValue(s[m].data[t]);if(0>d&&0>f||0<=d&&0<f){u+=f}}}}y=l.getPixelForValue(u);x=l.getPixelForValue(u+d);k=(x-y)/2;return{size:k,base:y,head:x,center:x+k/2}},calculateBarIndexPixels:function calculateBarIndexPixels(e,t,a){var o=this,i=a.scale.options,l=o.getStackIndex(e),s=a.pixels,d=s[t],c=s.length,h=a.start,u=a.end,m,p,f,y,x,k;if(1===c){m=d>h?d-h:u-d;p=d<u?u-d:d-h}else{if(0<t){m=(d-s[t-1])/2;if(t===c-1){p=m}}if(t<c-1){p=(s[t+1]-d)/2;if(0===t){m=p}}}f=m*i.categoryPercentage;y=p*i.categoryPercentage;x=(f+y)/a.stackCount;k=x*i.barPercentage;k=Math.min(n.valueOrDefault(i.barThickness,k),n.valueOrDefault(i.maxBarThickness,1/0));d-=f;d+=x*l;d+=(x-k)/2;return{size:k,base:d,head:d+k,center:d+k/2}},draw:function draw(){var e=this,t=e.chart,a=e.getValueScale(),o=e.getMeta().data,l=e.getDataset(),s=o.length,d=0;n.canvas.clipArea(t.ctx,t.chartArea);for(;d<s;++d){if(!isNaN(a.getRightValue(l.data[d]))){o[d].draw()}}n.canvas.unclipArea(t.ctx)},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model;i.backgroundColor=o.hoverBackgroundColor?o.hoverBackgroundColor:n.valueAtIndexOrDefault(t.hoverBackgroundColor,a,n.getHoverColor(i.backgroundColor));i.borderColor=o.hoverBorderColor?o.hoverBorderColor:n.valueAtIndexOrDefault(t.hoverBorderColor,a,n.getHoverColor(i.borderColor));i.borderWidth=o.hoverBorderWidth?o.hoverBorderWidth:n.valueAtIndexOrDefault(t.hoverBorderWidth,a,i.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model,l=this.chart.options.elements.rectangle;i.backgroundColor=o.backgroundColor?o.backgroundColor:n.valueAtIndexOrDefault(t.backgroundColor,a,l.backgroundColor);i.borderColor=o.borderColor?o.borderColor:n.valueAtIndexOrDefault(t.borderColor,a,l.borderColor);i.borderWidth=o.borderWidth?o.borderWidth:n.valueAtIndexOrDefault(t.borderWidth,a,l.borderWidth)}});e.controllers.horizontalBar=e.controllers.bar.extend({getValueScaleId:function getValueScaleId(){return this.getMeta().xAxisID},getIndexScaleId:function getIndexScaleId(){return this.getMeta().yAxisID}})}},{25:25,40:40,45:45}],16:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("bubble",{hover:{mode:"single"},scales:{xAxes:[{type:"linear",position:"bottom",id:"x-axis-0"}],yAxes:[{type:"linear",position:"left",id:"y-axis-0"}]},tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){var a=t.datasets[e.datasetIndex].label||"",o=t.datasets[e.datasetIndex].data[e.index];return a+": ("+e.xLabel+", "+e.yLabel+", "+o.r+")"}}}});t.exports=function(e){e.controllers.bubble=e.DatasetController.extend({dataElementType:o.Point,update:function update(e){var t=this,a=t.getMeta(),o=a.data;n.each(o,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){var o=this,i=o.getMeta(),n=e.custom||{},l=o.getScaleForId(i.xAxisID),s=o.getScaleForId(i.yAxisID),d=o._resolveElementOptions(e,t),c=o.getDataset().data[t],h=o.index,u=a?l.getPixelForDecimal(.5):l.getPixelForValue("object"===_typeof(c)?c:NaN,t,h),m=a?s.getBasePixel():s.getPixelForValue(c,t,h);e._xScale=l;e._yScale=s;e._options=d;e._datasetIndex=h;e._index=t;e._model={backgroundColor:d.backgroundColor,borderColor:d.borderColor,borderWidth:d.borderWidth,hitRadius:d.hitRadius,pointStyle:d.pointStyle,radius:a?0:d.radius,skip:n.skip||isNaN(u)||isNaN(m),x:u,y:m};e.pivot()},setHoverStyle:function setHoverStyle(e){var t=e._model,a=e._options;t.backgroundColor=n.valueOrDefault(a.hoverBackgroundColor,n.getHoverColor(a.backgroundColor));t.borderColor=n.valueOrDefault(a.hoverBorderColor,n.getHoverColor(a.borderColor));t.borderWidth=n.valueOrDefault(a.hoverBorderWidth,a.borderWidth);t.radius=a.radius+a.hoverRadius},removeHoverStyle:function removeHoverStyle(e){var t=e._model,a=e._options;t.backgroundColor=a.backgroundColor;t.borderColor=a.borderColor;t.borderWidth=a.borderWidth;t.radius=a.radius},_resolveElementOptions:function _resolveElementOptions(e,t){var a=this,o=a.chart,l=o.data.datasets,s=l[a.index],d=e.custom||{},c=o.options.elements.point,h=n.options.resolve,u=s.data[t],m={},p,f,y,x={chart:o,dataIndex:t,dataset:s,datasetIndex:a.index},k=["backgroundColor","borderColor","borderWidth","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth","hoverRadius","hitRadius","pointStyle"];for(p=0,f=k.length;p<f;++p){y=k[p];m[y]=h([d[y],s[y],c[y]],x,t)}m.radius=h([d.radius,u?u.r:void 0,s.radius,c.radius],x,t);return m}})}},{25:25,40:40,45:45}],17:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("doughnut",{animation:{animateRotate:!0,animateScale:!1},hover:{mode:"single"},legendCallback:function legendCallback(e){var t=["<ul class=\""+e.id+"-legend\">"],a=e.data,o=a.datasets,n=a.labels;if(o.length){for(var l=0;l<o[0].data.length;++l){t.push("<li><span style=\"background-color:"+o[0].backgroundColor[l]+"\"></span>");if(n[l]){t.push(n[l])}t.push("</li>")}}t.push("</ul>");return t.join("")},legend:{labels:{generateLabels:function generateLabels(e){var t=e.data;if(t.labels.length&&t.datasets.length){return t.labels.map(function(a,o){var i=e.getDatasetMeta(0),l=t.datasets[0],s=i.data[o],d=s&&s.custom||{},c=n.valueAtIndexOrDefault,h=e.options.elements.arc,u=d.backgroundColor?d.backgroundColor:c(l.backgroundColor,o,h.backgroundColor),m=d.borderColor?d.borderColor:c(l.borderColor,o,h.borderColor),p=d.borderWidth?d.borderWidth:c(l.borderWidth,o,h.borderWidth);return{text:a,fillStyle:u,strokeStyle:m,lineWidth:p,hidden:isNaN(l.data[o])||i.data[o].hidden,index:o}})}return[]}},onClick:function onClick(t,e){var a=e.index,o=this.chart,n,l,s;for(n=0,l=(o.data.datasets||[]).length;n<l;++n){s=o.getDatasetMeta(n);if(s.data[a]){s.data[a].hidden=!s.data[a].hidden}}o.update()}},cutoutPercentage:50,rotation:-.5*Math.PI,circumference:2*Math.PI,tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){var a=t.labels[e.index],o=": "+t.datasets[e.datasetIndex].data[e.index];if(n.isArray(a)){a=a.slice();a[0]+=o}else{a+=o}return a}}}});a._set("pie",n.clone(a.doughnut));a._set("pie",{cutoutPercentage:0});t.exports=function(e){e.controllers.doughnut=e.controllers.pie=e.DatasetController.extend({dataElementType:o.Arc,linkScales:n.noop,getRingIndex:function getRingIndex(e){for(var t=0,a=0;a<e;++a){if(this.chart.isDatasetVisible(a)){++t}}return t},update:function update(e){var t=this,a=t.chart,o=a.chartArea,i=a.options,l=i.elements.arc,s=o.right-o.left-l.borderWidth,d=o.bottom-o.top-l.borderWidth,c=Math.min(s,d),h={x:0,y:0},u=t.getMeta(),m=i.cutoutPercentage,p=i.circumference;if(p<2*Math.PI){var f=i.rotation%(2*Math.PI);f+=2*Math.PI*(f>=Math.PI?-1:f<-Math.PI?1:0);var y=f+p,x={x:Math.cos(f),y:Math.sin(f)},k={x:Math.cos(y),y:Math.sin(y)},_=0>=f&&0<=y||f<=2*Math.PI&&2*Math.PI<=y,v=f<=.5*Math.PI&&.5*Math.PI<=y||f<=2.5*Math.PI&&2.5*Math.PI<=y,S=f<=-Math.PI&&-Math.PI<=y||f<=Math.PI&&Math.PI<=y,w=f<=.5*-Math.PI&&.5*-Math.PI<=y||f<=1.5*Math.PI&&1.5*Math.PI<=y,D=m/100,C={x:S?-1:Math.min(x.x*(0>x.x?1:D),k.x*(0>k.x?1:D)),y:w?-1:Math.min(x.y*(0>x.y?1:D),k.y*(0>k.y?1:D))},P={x:_?1:Math.max(x.x*(0<x.x?1:D),k.x*(0<k.x?1:D)),y:v?1:Math.max(x.y*(0<x.y?1:D),k.y*(0<k.y?1:D))},T={width:.5*(P.x-C.x),height:.5*(P.y-C.y)};c=Math.min(s/T.width,d/T.height);h={x:-.5*(P.x+C.x),y:-.5*(P.y+C.y)}}a.borderWidth=t.getMaxBorderWidth(u.data);a.outerRadius=Math.max((c-a.borderWidth)/2,0);a.innerRadius=Math.max(m?a.outerRadius/100*m:0,0);a.radiusLength=(a.outerRadius-a.innerRadius)/a.getVisibleDatasetCount();a.offsetX=h.x*a.outerRadius;a.offsetY=h.y*a.outerRadius;u.total=t.calculateTotal();t.outerRadius=a.outerRadius-a.radiusLength*t.getRingIndex(t.index);t.innerRadius=Math.max(t.outerRadius-a.radiusLength,0);n.each(u.data,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){var o=this,i=o.chart,l=i.chartArea,s=i.options,d=s.animation,c=(l.left+l.right)/2,h=(l.top+l.bottom)/2,u=s.rotation,m=s.rotation,p=o.getDataset(),f=a&&d.animateRotate?0:e.hidden?0:o.calculateCircumference(p.data[t])*(s.circumference/(2*Math.PI)),y=a&&d.animateScale?0:o.innerRadius,x=a&&d.animateScale?0:o.outerRadius,k=n.valueAtIndexOrDefault;n.extend(e,{_datasetIndex:o.index,_index:t,_model:{x:c+i.offsetX,y:h+i.offsetY,startAngle:u,endAngle:m,circumference:f,outerRadius:x,innerRadius:y,label:k(p.label,t,i.data.labels[t])}});var _=e._model;this.removeHoverStyle(e);if(!a||!d.animateRotate){if(0===t){_.startAngle=s.rotation}else{_.startAngle=o.getMeta().data[t-1]._model.endAngle}_.endAngle=_.startAngle+_.circumference}e.pivot()},removeHoverStyle:function removeHoverStyle(t){e.DatasetController.prototype.removeHoverStyle.call(this,t,this.chart.options.elements.arc)},calculateTotal:function calculateTotal(){var e=this.getDataset(),t=this.getMeta(),a=0,o;n.each(t.data,function(t,i){o=e.data[i];if(!isNaN(o)&&!t.hidden){a+=Math.abs(o)}});return a},calculateCircumference:function calculateCircumference(e){var t=this.getMeta().total;if(0<t&&!isNaN(e)){return 2*Math.PI*(e/t)}return 0},getMaxBorderWidth:function getMaxBorderWidth(e){for(var t=0,a=this.index,o=e.length,n,l,s=0;s<o;s++){n=e[s]._model?e[s]._model.borderWidth:0;l=e[s]._chart?e[s]._chart.config.data.datasets[a].hoverBorderWidth:0;t=n>t?n:t;t=l>t?l:t}return t}})}},{25:25,40:40,45:45}],18:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("line",{showLines:!0,spanGaps:!1,hover:{mode:"label"},scales:{xAxes:[{type:"category",id:"x-axis-0"}],yAxes:[{type:"linear",id:"y-axis-0"}]}});t.exports=function(e){function t(e,t){return n.valueOrDefault(e.showLine,t.showLines)}e.controllers.line=e.DatasetController.extend({datasetElementType:o.Line,dataElementType:o.Point,update:function update(e){var a=this,o=a.getMeta(),l=o.dataset,s=o.data||[],d=a.chart.options,c=d.elements.line,h=a.getScaleForId(o.yAxisID),u,m,p,f=a.getDataset(),y=t(f,d);if(y){p=l.custom||{};if(f.tension!==void 0&&f.lineTension===void 0){f.lineTension=f.tension}l._scale=h;l._datasetIndex=a.index;l._children=s;l._model={spanGaps:f.spanGaps?f.spanGaps:d.spanGaps,tension:p.tension?p.tension:n.valueOrDefault(f.lineTension,c.tension),backgroundColor:p.backgroundColor?p.backgroundColor:f.backgroundColor||c.backgroundColor,borderWidth:p.borderWidth?p.borderWidth:f.borderWidth||c.borderWidth,borderColor:p.borderColor?p.borderColor:f.borderColor||c.borderColor,borderCapStyle:p.borderCapStyle?p.borderCapStyle:f.borderCapStyle||c.borderCapStyle,borderDash:p.borderDash?p.borderDash:f.borderDash||c.borderDash,borderDashOffset:p.borderDashOffset?p.borderDashOffset:f.borderDashOffset||c.borderDashOffset,borderJoinStyle:p.borderJoinStyle?p.borderJoinStyle:f.borderJoinStyle||c.borderJoinStyle,fill:p.fill?p.fill:f.fill!==void 0?f.fill:c.fill,steppedLine:p.steppedLine?p.steppedLine:n.valueOrDefault(f.steppedLine,c.stepped),cubicInterpolationMode:p.cubicInterpolationMode?p.cubicInterpolationMode:n.valueOrDefault(f.cubicInterpolationMode,c.cubicInterpolationMode)};l.pivot()}for(u=0,m=s.length;u<m;++u){a.updateElement(s[u],u,e)}if(y&&0!==l._model.tension){a.updateBezierControlPoints()}for(u=0,m=s.length;u<m;++u){s[u].pivot()}},getPointBackgroundColor:function getPointBackgroundColor(e,t){var a=this.chart.options.elements.point.backgroundColor,o=this.getDataset(),i=e.custom||{};if(i.backgroundColor){a=i.backgroundColor}else if(o.pointBackgroundColor){a=n.valueAtIndexOrDefault(o.pointBackgroundColor,t,a)}else if(o.backgroundColor){a=o.backgroundColor}return a},getPointBorderColor:function getPointBorderColor(e,t){var a=this.chart.options.elements.point.borderColor,o=this.getDataset(),i=e.custom||{};if(i.borderColor){a=i.borderColor}else if(o.pointBorderColor){a=n.valueAtIndexOrDefault(o.pointBorderColor,t,a)}else if(o.borderColor){a=o.borderColor}return a},getPointBorderWidth:function getPointBorderWidth(e,t){var a=this.chart.options.elements.point.borderWidth,o=this.getDataset(),i=e.custom||{};if(!isNaN(i.borderWidth)){a=i.borderWidth}else if(!isNaN(o.pointBorderWidth)||n.isArray(o.pointBorderWidth)){a=n.valueAtIndexOrDefault(o.pointBorderWidth,t,a)}else if(!isNaN(o.borderWidth)){a=o.borderWidth}return a},updateElement:function updateElement(e,t,a){var o=this,i=o.getMeta(),l=e.custom||{},s=o.getDataset(),d=o.index,c=s.data[t],h=o.getScaleForId(i.yAxisID),u=o.getScaleForId(i.xAxisID),m=o.chart.options.elements.point,p,f;if(s.radius!==void 0&&s.pointRadius===void 0){s.pointRadius=s.radius}if(s.hitRadius!==void 0&&s.pointHitRadius===void 0){s.pointHitRadius=s.hitRadius}p=u.getPixelForValue("object"===_typeof(c)?c:NaN,t,d);f=a?h.getBasePixel():o.calculatePointY(c,t,d);e._xScale=u;e._yScale=h;e._datasetIndex=d;e._index=t;e._model={x:p,y:f,skip:l.skip||isNaN(p)||isNaN(f),radius:l.radius||n.valueAtIndexOrDefault(s.pointRadius,t,m.radius),pointStyle:l.pointStyle||n.valueAtIndexOrDefault(s.pointStyle,t,m.pointStyle),backgroundColor:o.getPointBackgroundColor(e,t),borderColor:o.getPointBorderColor(e,t),borderWidth:o.getPointBorderWidth(e,t),tension:i.dataset._model?i.dataset._model.tension:0,steppedLine:i.dataset._model?i.dataset._model.steppedLine:!1,hitRadius:l.hitRadius||n.valueAtIndexOrDefault(s.pointHitRadius,t,m.hitRadius)}},calculatePointY:function calculatePointY(e,t,a){var o=this,n=o.chart,l=o.getMeta(),s=o.getScaleForId(l.yAxisID),d=0,c=0,h,u,m;if(s.options.stacked){for(h=0;h<a;h++){u=n.data.datasets[h];m=n.getDatasetMeta(h);if("line"===m.type&&m.yAxisID===s.id&&n.isDatasetVisible(h)){var p=+s.getRightValue(u.data[t]);if(0>p){c+=p||0}else{d+=p||0}}}var f=+s.getRightValue(e);if(0>f){return s.getPixelForValue(c+f)}return s.getPixelForValue(d+f)}return s.getPixelForValue(e)},updateBezierControlPoints:function updateBezierControlPoints(){var e=this,t=e.getMeta(),a=e.chart.chartArea,o=t.data||[],l,s,d,c,h;if(t.dataset._model.spanGaps){o=o.filter(function(e){return!e._model.skip})}function u(e,t,a){return Math.max(Math.min(e,a),t)}if("monotone"===t.dataset._model.cubicInterpolationMode){n.splineCurveMonotone(o)}else{for(l=0,s=o.length;l<s;++l){d=o[l];c=d._model;h=n.splineCurve(n.previousItem(o,l)._model,c,n.nextItem(o,l)._model,t.dataset._model.tension);c.controlPointPreviousX=h.previous.x;c.controlPointPreviousY=h.previous.y;c.controlPointNextX=h.next.x;c.controlPointNextY=h.next.y}}if(e.chart.options.elements.line.capBezierPoints){for(l=0,s=o.length;l<s;++l){c=o[l]._model;c.controlPointPreviousX=u(c.controlPointPreviousX,a.left,a.right);c.controlPointPreviousY=u(c.controlPointPreviousY,a.top,a.bottom);c.controlPointNextX=u(c.controlPointNextX,a.left,a.right);c.controlPointNextY=u(c.controlPointNextY,a.top,a.bottom)}}},draw:function draw(){var e=this,a=e.chart,o=e.getMeta(),l=o.data||[],s=a.chartArea,d=l.length,c=0;n.canvas.clipArea(a.ctx,s);if(t(e.getDataset(),a.options)){o.dataset.draw()}n.canvas.unclipArea(a.ctx);for(;c<d;++c){l[c].draw(s)}},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e._index,o=e.custom||{},i=e._model;i.radius=o.hoverRadius||n.valueAtIndexOrDefault(t.pointHoverRadius,a,this.chart.options.elements.point.hoverRadius);i.backgroundColor=o.hoverBackgroundColor||n.valueAtIndexOrDefault(t.pointHoverBackgroundColor,a,n.getHoverColor(i.backgroundColor));i.borderColor=o.hoverBorderColor||n.valueAtIndexOrDefault(t.pointHoverBorderColor,a,n.getHoverColor(i.borderColor));i.borderWidth=o.hoverBorderWidth||n.valueAtIndexOrDefault(t.pointHoverBorderWidth,a,i.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this,a=t.chart.data.datasets[e._datasetIndex],o=e._index,i=e.custom||{},l=e._model;if(a.radius!==void 0&&a.pointRadius===void 0){a.pointRadius=a.radius}l.radius=i.radius||n.valueAtIndexOrDefault(a.pointRadius,o,t.chart.options.elements.point.radius);l.backgroundColor=t.getPointBackgroundColor(e,o);l.borderColor=t.getPointBorderColor(e,o);l.borderWidth=t.getPointBorderWidth(e,o)}})}},{25:25,40:40,45:45}],19:[function(e,t){"use strict";var a=e(25),o=e(40),n=e(45);a._set("polarArea",{scale:{type:"radialLinear",angleLines:{display:!1},gridLines:{circular:!0},pointLabels:{display:!1},ticks:{beginAtZero:!0}},animation:{animateRotate:!0,animateScale:!0},startAngle:-.5*Math.PI,legendCallback:function legendCallback(e){var t=["<ul class=\""+e.id+"-legend\">"],a=e.data,o=a.datasets,n=a.labels;if(o.length){for(var l=0;l<o[0].data.length;++l){t.push("<li><span style=\"background-color:"+o[0].backgroundColor[l]+"\"></span>");if(n[l]){t.push(n[l])}t.push("</li>")}}t.push("</ul>");return t.join("")},legend:{labels:{generateLabels:function generateLabels(e){var t=e.data;if(t.labels.length&&t.datasets.length){return t.labels.map(function(a,o){var i=e.getDatasetMeta(0),l=t.datasets[0],s=i.data[o],d=s.custom||{},c=n.valueAtIndexOrDefault,h=e.options.elements.arc,u=d.backgroundColor?d.backgroundColor:c(l.backgroundColor,o,h.backgroundColor),m=d.borderColor?d.borderColor:c(l.borderColor,o,h.borderColor),p=d.borderWidth?d.borderWidth:c(l.borderWidth,o,h.borderWidth);return{text:a,fillStyle:u,strokeStyle:m,lineWidth:p,hidden:isNaN(l.data[o])||i.data[o].hidden,index:o}})}return[]}},onClick:function onClick(t,e){var a=e.index,o=this.chart,n,l,s;for(n=0,l=(o.data.datasets||[]).length;n<l;++n){s=o.getDatasetMeta(n);s.data[a].hidden=!s.data[a].hidden}o.update()}},tooltips:{callbacks:{title:function title(){return""},label:function label(e,t){return t.labels[e.index]+": "+e.yLabel}}}});t.exports=function(e){e.controllers.polarArea=e.DatasetController.extend({dataElementType:o.Arc,linkScales:n.noop,update:function update(e){var t=this,a=t.chart,o=a.chartArea,i=t.getMeta(),l=a.options,s=l.elements.arc,d=Math.min(o.right-o.left,o.bottom-o.top);a.outerRadius=Math.max((d-s.borderWidth/2)/2,0);a.innerRadius=Math.max(l.cutoutPercentage?a.outerRadius/100*l.cutoutPercentage:1,0);a.radiusLength=(a.outerRadius-a.innerRadius)/a.getVisibleDatasetCount();t.outerRadius=a.outerRadius-a.radiusLength*t.index;t.innerRadius=t.outerRadius-a.radiusLength;i.count=t.countVisibleElements();n.each(i.data,function(a,o){t.updateElement(a,o,e)})},updateElement:function updateElement(e,t,a){for(var o=this,l=o.chart,s=o.getDataset(),d=l.options,c=d.animation,h=l.scale,u=l.data.labels,m=o.calculateCircumference(s.data[t]),p=h.xCenter,f=h.yCenter,y=0,x=o.getMeta(),k=0;k<t;++k){if(!isNaN(s.data[k])&&!x.data[k].hidden){++y}}var _=d.startAngle,v=e.hidden?0:h.getDistanceFromCenterForValue(s.data[t]),S=_+m*y,w=S+(e.hidden?0:m),D=c.animateScale?0:h.getDistanceFromCenterForValue(s.data[t]);n.extend(e,{_datasetIndex:o.index,_index:t,_scale:h,_model:{x:p,y:f,innerRadius:0,outerRadius:a?D:v,startAngle:a&&c.animateRotate?_:S,endAngle:a&&c.animateRotate?_:w,label:n.valueAtIndexOrDefault(u,t,u[t])}});o.removeHoverStyle(e);e.pivot()},removeHoverStyle:function removeHoverStyle(t){e.DatasetController.prototype.removeHoverStyle.call(this,t,this.chart.options.elements.arc)},countVisibleElements:function countVisibleElements(){var e=this.getDataset(),t=this.getMeta(),a=0;n.each(t.data,function(t,o){if(!isNaN(e.data[o])&&!t.hidden){a++}});return a},calculateCircumference:function calculateCircumference(e){var t=this.getMeta().count;if(0<t&&!isNaN(e)){return 2*Math.PI/t}return 0}})}},{25:25,40:40,45:45}],20:[function(e,t){"use strict";var a=e(25),o=e(40),i=e(45);a._set("radar",{scale:{type:"radialLinear"},elements:{line:{tension:0}}});t.exports=function(e){e.controllers.radar=e.DatasetController.extend({datasetElementType:o.Line,dataElementType:o.Point,linkScales:i.noop,update:function update(e){var t=this,a=t.getMeta(),o=a.dataset,n=a.data,l=o.custom||{},s=t.getDataset(),d=t.chart.options.elements.line,c=t.chart.scale;if(s.tension!==void 0&&s.lineTension===void 0){s.lineTension=s.tension}i.extend(a.dataset,{_datasetIndex:t.index,_scale:c,_children:n,_loop:!0,_model:{tension:l.tension?l.tension:i.valueOrDefault(s.lineTension,d.tension),backgroundColor:l.backgroundColor?l.backgroundColor:s.backgroundColor||d.backgroundColor,borderWidth:l.borderWidth?l.borderWidth:s.borderWidth||d.borderWidth,borderColor:l.borderColor?l.borderColor:s.borderColor||d.borderColor,fill:l.fill?l.fill:s.fill!==void 0?s.fill:d.fill,borderCapStyle:l.borderCapStyle?l.borderCapStyle:s.borderCapStyle||d.borderCapStyle,borderDash:l.borderDash?l.borderDash:s.borderDash||d.borderDash,borderDashOffset:l.borderDashOffset?l.borderDashOffset:s.borderDashOffset||d.borderDashOffset,borderJoinStyle:l.borderJoinStyle?l.borderJoinStyle:s.borderJoinStyle||d.borderJoinStyle}});a.dataset.pivot();i.each(n,function(a,o){t.updateElement(a,o,e)},t);t.updateBezierControlPoints()},updateElement:function updateElement(e,t,a){var o=this,n=e.custom||{},l=o.getDataset(),s=o.chart.scale,d=o.chart.options.elements.point,c=s.getPointPositionForValue(t,l.data[t]);if(l.radius!==void 0&&l.pointRadius===void 0){l.pointRadius=l.radius}if(l.hitRadius!==void 0&&l.pointHitRadius===void 0){l.pointHitRadius=l.hitRadius}i.extend(e,{_datasetIndex:o.index,_index:t,_scale:s,_model:{x:a?s.xCenter:c.x,y:a?s.yCenter:c.y,tension:n.tension?n.tension:i.valueOrDefault(l.lineTension,o.chart.options.elements.line.tension),radius:n.radius?n.radius:i.valueAtIndexOrDefault(l.pointRadius,t,d.radius),backgroundColor:n.backgroundColor?n.backgroundColor:i.valueAtIndexOrDefault(l.pointBackgroundColor,t,d.backgroundColor),borderColor:n.borderColor?n.borderColor:i.valueAtIndexOrDefault(l.pointBorderColor,t,d.borderColor),borderWidth:n.borderWidth?n.borderWidth:i.valueAtIndexOrDefault(l.pointBorderWidth,t,d.borderWidth),pointStyle:n.pointStyle?n.pointStyle:i.valueAtIndexOrDefault(l.pointStyle,t,d.pointStyle),hitRadius:n.hitRadius?n.hitRadius:i.valueAtIndexOrDefault(l.pointHitRadius,t,d.hitRadius)}});e._model.skip=n.skip?n.skip:isNaN(e._model.x)||isNaN(e._model.y)},updateBezierControlPoints:function updateBezierControlPoints(){var e=this.chart.chartArea,t=this.getMeta();i.each(t.data,function(a,o){var n=a._model,l=i.splineCurve(i.previousItem(t.data,o,!0)._model,n,i.nextItem(t.data,o,!0)._model,n.tension);n.controlPointPreviousX=Math.max(Math.min(l.previous.x,e.right),e.left);n.controlPointPreviousY=Math.max(Math.min(l.previous.y,e.bottom),e.top);n.controlPointNextX=Math.max(Math.min(l.next.x,e.right),e.left);n.controlPointNextY=Math.max(Math.min(l.next.y,e.bottom),e.top);a.pivot()})},setHoverStyle:function setHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e.custom||{},o=e._index,n=e._model;n.radius=a.hoverRadius?a.hoverRadius:i.valueAtIndexOrDefault(t.pointHoverRadius,o,this.chart.options.elements.point.hoverRadius);n.backgroundColor=a.hoverBackgroundColor?a.hoverBackgroundColor:i.valueAtIndexOrDefault(t.pointHoverBackgroundColor,o,i.getHoverColor(n.backgroundColor));n.borderColor=a.hoverBorderColor?a.hoverBorderColor:i.valueAtIndexOrDefault(t.pointHoverBorderColor,o,i.getHoverColor(n.borderColor));n.borderWidth=a.hoverBorderWidth?a.hoverBorderWidth:i.valueAtIndexOrDefault(t.pointHoverBorderWidth,o,n.borderWidth)},removeHoverStyle:function removeHoverStyle(e){var t=this.chart.data.datasets[e._datasetIndex],a=e.custom||{},o=e._index,n=e._model,l=this.chart.options.elements.point;n.radius=a.radius?a.radius:i.valueAtIndexOrDefault(t.pointRadius,o,l.radius);n.backgroundColor=a.backgroundColor?a.backgroundColor:i.valueAtIndexOrDefault(t.pointBackgroundColor,o,l.backgroundColor);n.borderColor=a.borderColor?a.borderColor:i.valueAtIndexOrDefault(t.pointBorderColor,o,l.borderColor);n.borderWidth=a.borderWidth?a.borderWidth:i.valueAtIndexOrDefault(t.pointBorderWidth,o,l.borderWidth)}})}},{25:25,40:40,45:45}],21:[function(e,t){"use strict";var a=e(25);a._set("scatter",{hover:{mode:"single"},scales:{xAxes:[{id:"x-axis-1",type:"linear",position:"bottom"}],yAxes:[{id:"y-axis-1",type:"linear",position:"left"}]},showLines:!1,tooltips:{callbacks:{title:function title(){return""},label:function label(e){return"("+e.xLabel+", "+e.yLabel+")"}}}});t.exports=function(e){e.controllers.scatter=e.controllers.line}},{25:25}],22:[function(e,t){"use strict";var a=e(25),o=e(26),n=e(45);a._set("global",{animation:{duration:1e3,easing:"easeOutQuart",onProgress:n.noop,onComplete:n.noop}});t.exports=function(e){e.Animation=o.extend({chart:null,currentStep:0,numSteps:60,easing:"",render:null,onAnimationProgress:null,onAnimationComplete:null});e.animationService={frameDuration:17,animations:[],dropFrames:0,request:null,addAnimation:function addAnimation(e,t,a,o){var n=this.animations,l,s;t.chart=e;if(!o){e.animating=!0}for(l=0,s=n.length;l<s;++l){if(n[l].chart===e){n[l]=t;return}}n.push(t);if(1===n.length){this.requestAnimationFrame()}},cancelAnimation:function cancelAnimation(e){var t=n.findIndex(this.animations,function(t){return t.chart===e});if(-1!==t){this.animations.splice(t,1);e.animating=!1}},requestAnimationFrame:function requestAnimationFrame(){var e=this;if(null===e.request){e.request=n.requestAnimFrame.call(window,function(){e.request=null;e.startDigest()})}},startDigest:function startDigest(){var e=this,t=Date.now(),a=0;if(1<e.dropFrames){a=Math.floor(e.dropFrames);e.dropFrames=e.dropFrames%1}e.advance(1+a);var o=Date.now();e.dropFrames+=(o-t)/e.frameDuration;if(0<e.animations.length){e.requestAnimationFrame()}},advance:function advance(e){var t=this.animations,a,o,l=0;while(l<t.length){a=t[l];o=a.chart;a.currentStep=(a.currentStep||0)+e;a.currentStep=Math.min(a.currentStep,a.numSteps);n.callback(a.render,[o,a],o);n.callback(a.onAnimationProgress,[a],o);if(a.currentStep>=a.numSteps){n.callback(a.onAnimationComplete,[a],o);o.animating=!1;t.splice(l,1)}else{++l}}}};Object.defineProperty(e.Animation.prototype,"animationObject",{get:function get(){return this}});Object.defineProperty(e.Animation.prototype,"chartInstance",{get:function get(){return this.chart},set:function set(e){this.chart=e}})}},{25:25,26:26,45:45}],23:[function(e,t){"use strict";var a=e(25),o=e(45),i=e(28),n=e(48);t.exports=function(e){var t=e.plugins;e.types={};e.instances={};e.controllers={};function l(e){e=e||{};var t=e.data=e.data||{};t.datasets=t.datasets||[];t.labels=t.labels||[];e.options=o.configMerge(a.global,a[e.type],e.options||{});return e}function s(e){var t=e.options;if(t.scale){e.scale.options=t.scale}else if(t.scales){t.scales.xAxes.concat(t.scales.yAxes).forEach(function(t){e.scales[t.id].options=t})}e.tooltip._options=t.tooltips}function d(e){return"top"===e||"bottom"===e}o.extend(e.prototype,{construct:function construct(t,a){var i=this;a=l(a);var s=n.acquireContext(t,a),d=s&&s.canvas,c=d&&d.height,h=d&&d.width;i.id=o.uid();i.ctx=s;i.canvas=d;i.config=a;i.width=h;i.height=c;i.aspectRatio=c?h/c:null;i.options=a.options;i._bufferedRender=!1;i.chart=i;i.controller=i;e.instances[i.id]=i;Object.defineProperty(i,"data",{get:function get(){return i.config.data},set:function set(e){i.config.data=e}});if(!s||!d){console.error("Failed to create chart: can't acquire context from the given item");return}i.initialize();i.update()},initialize:function initialize(){var e=this;t.notify(e,"beforeInit");o.retinaScale(e,e.options.devicePixelRatio);e.bindEvents();if(e.options.responsive){e.resize(!0)}e.ensureScalesHaveIDs();e.buildScales();e.initToolTip();t.notify(e,"afterInit");return e},clear:function clear(){o.canvas.clear(this);return this},stop:function stop(){e.animationService.cancelAnimation(this);return this},resize:function resize(e){var a=this,i=a.options,n=a.canvas,l=i.maintainAspectRatio&&a.aspectRatio||null,s=Math.max(0,Math.floor(o.getMaximumWidth(n))),d=Math.max(0,Math.floor(l?s/l:o.getMaximumHeight(n)));if(a.width===s&&a.height===d){return}n.width=a.width=s;n.height=a.height=d;n.style.width=s+"px";n.style.height=d+"px";o.retinaScale(a,i.devicePixelRatio);if(!e){var c={width:s,height:d};t.notify(a,"resize",[c]);if(a.options.onResize){a.options.onResize(a,c)}a.stop();a.update(a.options.responsiveAnimationDuration)}},ensureScalesHaveIDs:function ensureScalesHaveIDs(){var e=this.options,t=e.scales||{},a=e.scale;o.each(t.xAxes,function(e,t){e.id=e.id||"x-axis-"+t});o.each(t.yAxes,function(e,t){e.id=e.id||"y-axis-"+t});if(a){a.id=a.id||"scale"}},buildScales:function buildScales(){var t=this,a=t.options,i=t.scales={},n=[];if(a.scales){n=n.concat((a.scales.xAxes||[]).map(function(e){return{options:e,dtype:"category",dposition:"bottom"}}),(a.scales.yAxes||[]).map(function(e){return{options:e,dtype:"linear",dposition:"left"}}))}if(a.scale){n.push({options:a.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"})}o.each(n,function(a){var n=a.options,l=o.valueOrDefault(n.type,a.dtype),s=e.scaleService.getScaleConstructor(l);if(!s){return}if(d(n.position)!==d(a.dposition)){n.position=a.dposition}var c=new s({id:n.id,options:n,ctx:t.ctx,chart:t});i[c.id]=c;c.mergeTicksOptions();if(a.isDefault){t.scale=c}});e.scaleService.addScalesToLayout(this)},buildOrUpdateControllers:function buildOrUpdateControllers(){var t=this,a=[],i=[];o.each(t.data.datasets,function(o,n){var l=t.getDatasetMeta(n),s=o.type||t.config.type;if(l.type&&l.type!==s){t.destroyDatasetMeta(n);l=t.getDatasetMeta(n)}l.type=s;a.push(l.type);if(l.controller){l.controller.updateIndex(n)}else{var d=e.controllers[l.type];if(d===void 0){throw new Error("\""+l.type+"\" is not a chart type.")}l.controller=new d(t,n);i.push(l.controller)}},t);return i},resetElements:function resetElements(){var e=this;o.each(e.data.datasets,function(t,a){e.getDatasetMeta(a).controller.reset()},e)},reset:function reset(){this.resetElements();this.tooltip.initialize()},update:function update(e){var a=this;if(!e||"object"!==_typeof(e)){e={duration:e,lazy:arguments[1]}}s(a);if(!1===t.notify(a,"beforeUpdate")){return}a.tooltip._data=a.data;var i=a.buildOrUpdateControllers();o.each(a.data.datasets,function(e,t){a.getDatasetMeta(t).controller.buildOrUpdateElements()},a);a.updateLayout();o.each(i,function(e){e.reset()});a.updateDatasets();t.notify(a,"afterUpdate");if(a._bufferedRender){a._bufferedRequest={duration:e.duration,easing:e.easing,lazy:e.lazy}}else{a.render(e)}},updateLayout:function updateLayout(){var a=this;if(!1===t.notify(a,"beforeLayout")){return}e.layoutService.update(this,this.width,this.height);t.notify(a,"afterScaleUpdate");t.notify(a,"afterLayout")},updateDatasets:function updateDatasets(){var e=this;if(!1===t.notify(e,"beforeDatasetsUpdate")){return}for(var a=0,o=e.data.datasets.length;a<o;++a){e.updateDataset(a)}t.notify(e,"afterDatasetsUpdate")},updateDataset:function updateDataset(e){var a=this,o=a.getDatasetMeta(e),i={meta:o,index:e};if(!1===t.notify(a,"beforeDatasetUpdate",[i])){return}o.controller.update();t.notify(a,"afterDatasetUpdate",[i])},render:function render(a){var i=this;if(!a||"object"!==_typeof(a)){a={duration:a,lazy:arguments[1]}}var n=a.duration,l=a.lazy;if(!1===t.notify(i,"beforeRender")){return}var s=i.options.animation,d=function(e){t.notify(i,"afterRender");o.callback(s&&s.onComplete,[e],i)};if(s&&("undefined"!=typeof n&&0!==n||"undefined"==typeof n&&0!==s.duration)){var c=new e.Animation({numSteps:(n||s.duration)/16.66,easing:a.easing||s.easing,render:function render(e,t){var a=o.easing.effects[t.easing],i=t.currentStep,n=i/t.numSteps;e.draw(a(n),n,i)},onAnimationProgress:s.onProgress,onAnimationComplete:d});e.animationService.addAnimation(i,c,n,l)}else{i.draw();d(new e.Animation({numSteps:0,chart:i}))}return i},draw:function draw(e){var a=this;a.clear();if(o.isNullOrUndef(e)){e=1}a.transition(e);if(!1===t.notify(a,"beforeDraw",[e])){return}o.each(a.boxes,function(e){e.draw(a.chartArea)},a);if(a.scale){a.scale.draw()}a.drawDatasets(e);a.tooltip.draw();t.notify(a,"afterDraw",[e])},transition:function transition(e){for(var t=this,a=0,o=(t.data.datasets||[]).length;a<o;++a){if(t.isDatasetVisible(a)){t.getDatasetMeta(a).controller.transition(e)}}t.tooltip.transition(e)},drawDatasets:function drawDatasets(e){var a=this;if(!1===t.notify(a,"beforeDatasetsDraw",[e])){return}for(var o=(a.data.datasets||[]).length-1;0<=o;--o){if(a.isDatasetVisible(o)){a.drawDataset(o,e)}}t.notify(a,"afterDatasetsDraw",[e])},drawDataset:function drawDataset(e,a){var o=this,i=o.getDatasetMeta(e),n={meta:i,index:e,easingValue:a};if(!1===t.notify(o,"beforeDatasetDraw",[n])){return}i.controller.draw(a);t.notify(o,"afterDatasetDraw",[n])},getElementAtEvent:function getElementAtEvent(t){return i.modes.single(this,t)},getElementsAtEvent:function getElementsAtEvent(t){return i.modes.label(this,t,{intersect:!0})},getElementsAtXAxis:function getElementsAtXAxis(t){return i.modes["x-axis"](this,t,{intersect:!0})},getElementsAtEventForMode:function getElementsAtEventForMode(t,e,a){var o=i.modes[e];if("function"==typeof o){return o(this,t,a)}return[]},getDatasetAtEvent:function getDatasetAtEvent(t){return i.modes.dataset(this,t,{intersect:!0})},getDatasetMeta:function getDatasetMeta(e){var t=this,a=t.data.datasets[e];if(!a._meta){a._meta={}}var o=a._meta[t.id];if(!o){o=a._meta[t.id]={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null}}return o},getVisibleDatasetCount:function getVisibleDatasetCount(){for(var e=0,t=0,a=this.data.datasets.length;t<a;++t){if(this.isDatasetVisible(t)){e++}}return e},isDatasetVisible:function isDatasetVisible(e){var t=this.getDatasetMeta(e);return"boolean"==typeof t.hidden?!t.hidden:!this.data.datasets[e].hidden},generateLegend:function generateLegend(){return this.options.legendCallback(this)},destroyDatasetMeta:function destroyDatasetMeta(e){var t=this.id,a=this.data.datasets[e],o=a._meta&&a._meta[t];if(o){o.controller.destroy();delete a._meta[t]}},destroy:function destroy(){var a=this,l=a.canvas,s,d;a.stop();for(s=0,d=a.data.datasets.length;s<d;++s){a.destroyDatasetMeta(s)}if(l){a.unbindEvents();o.canvas.clear(a);n.releaseContext(a.ctx);a.canvas=null;a.ctx=null}t.notify(a,"destroy");delete e.instances[a.id]},toBase64Image:function toBase64Image(){return this.canvas.toDataURL.apply(this.canvas,arguments)},initToolTip:function initToolTip(){var t=this;t.tooltip=new e.Tooltip({_chart:t,_chartInstance:t,_data:t.data,_options:t.options.tooltips},t)},bindEvents:function bindEvents(){var e=this,t=e._listeners={},a=function(){e.eventHandler.apply(e,arguments)};o.each(e.options.events,function(o){n.addEventListener(e,o,a);t[o]=a});if(e.options.responsive){a=function(){e.resize()};n.addEventListener(e,"resize",a);t.resize=a}},unbindEvents:function unbindEvents(){var e=this,t=e._listeners;if(!t){return}delete e._listeners;o.each(t,function(t,a){n.removeEventListener(e,a,t)})},updateHoverStyle:function updateHoverStyle(e,t,a){var o=a?"setHoverStyle":"removeHoverStyle",n,l,s;for(l=0,s=e.length;l<s;++l){n=e[l];if(n){this.getDatasetMeta(n._datasetIndex).controller[o](n)}}},eventHandler:function eventHandler(a){var e=this,o=e.tooltip;if(!1===t.notify(e,"beforeEvent",[a])){return}e._bufferedRender=!0;e._bufferedRequest=null;var i=e.handleEvent(a);i|=o&&o.handleEvent(a);t.notify(e,"afterEvent",[a]);var n=e._bufferedRequest;if(n){e.render(n)}else if(i&&!e.animating){e.stop();e.render(e.options.hover.animationDuration,!0)}e._bufferedRender=!1;e._bufferedRequest=null;return e},handleEvent:function handleEvent(t){var e=this,a=e.options||{},i=a.hover,n=!1;e.lastActive=e.lastActive||[];if("mouseout"===t.type){e.active=[]}else{e.active=e.getElementsAtEventForMode(t,i.mode,i)}o.callback(a.onHover||a.hover.onHover,[t.native,e.active],e);if("mouseup"===t.type||"click"===t.type){if(a.onClick){a.onClick.call(e,t.native,e.active)}}if(e.lastActive.length){e.updateHoverStyle(e.lastActive,i.mode,!1)}if(e.active.length&&i.mode){e.updateHoverStyle(e.active,i.mode,!0)}n=!o.arrayEquals(e.active,e.lastActive);e.lastActive=e.active;return n}});e.Controller=e}},{25:25,28:28,45:45,48:48}],24:[function(e,t){"use strict";var a=e(45);t.exports=function(e){var t=["push","pop","shift","splice","unshift"];function o(e,o){if(e._chartjs){e._chartjs.listeners.push(o);return}Object.defineProperty(e,"_chartjs",{configurable:!0,enumerable:!1,value:{listeners:[o]}});t.forEach(function(t){var o="onData"+t.charAt(0).toUpperCase()+t.slice(1),i=e[t];Object.defineProperty(e,t,{configurable:!0,enumerable:!1,value:function value(){var t=Array.prototype.slice.call(arguments),n=i.apply(this,t);a.each(e._chartjs.listeners,function(e){if("function"==typeof e[o]){e[o].apply(e,t)}});return n}})})}function i(e,a){var o=e._chartjs;if(!o){return}var i=o.listeners,n=i.indexOf(a);if(-1!==n){i.splice(n,1)}if(0<i.length){return}t.forEach(function(t){delete e[t]});delete e._chartjs}e.DatasetController=function(e,t){this.initialize(e,t)};a.extend(e.DatasetController.prototype,{datasetElementType:null,dataElementType:null,initialize:function initialize(e,t){var a=this;a.chart=e;a.index=t;a.linkScales();a.addElements()},updateIndex:function updateIndex(e){this.index=e},linkScales:function linkScales(){var e=this,t=e.getMeta(),a=e.getDataset();if(null===t.xAxisID){t.xAxisID=a.xAxisID||e.chart.options.scales.xAxes[0].id}if(null===t.yAxisID){t.yAxisID=a.yAxisID||e.chart.options.scales.yAxes[0].id}},getDataset:function getDataset(){return this.chart.data.datasets[this.index]},getMeta:function getMeta(){return 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e=this,t=e.options.ticks;e.ticks=e.ticks.map(t.userCallback||t.callback,this)},afterTickToLabelConversion:function afterTickToLabelConversion(){n.callback(this.options.afterTickToLabelConversion,[this])},beforeCalculateTickRotation:function beforeCalculateTickRotation(){n.callback(this.options.beforeCalculateTickRotation,[this])},calculateTickRotation:function calculateTickRotation(){var e=this,t=e.ctx,a=e.options.ticks,o=s(e._ticks),l=i(a);t.font=l.font;var d=a.minRotation||0;if(o.length&&e.options.display&&e.isHorizontal()){var c=n.longestText(t,l.font,o,e.longestTextCache),h=c,u,m,p=e.getPixelForTick(1)-e.getPixelForTick(0)-6;while(h>p&&d<a.maxRotation){var f=n.toRadians(d);u=Math.cos(f);m=Math.sin(f);if(m*c>e.maxHeight){d--;break}d++;h=u*c}}e.labelRotation=d},afterCalculateTickRotation:function afterCalculateTickRotation(){n.callback(this.options.afterCalculateTickRotation,[this])},beforeFit:function beforeFit(){n.callback(this.options.beforeFit,[this])},fit:function fit(){var 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this.getPixelForValue(this.getBaseValue())},getBaseValue:function getBaseValue(){var e=this,t=e.min,a=e.max;return e.beginAtZero?0:0>t&&0>a?a:0<t&&0<a?t:0},_autoSkip:function _autoSkip(e){var t,a=this,o=a.isHorizontal(),l=a.options.ticks.minor,s=e.length,d=n.toRadians(a.labelRotation),c=Math.cos(d),h=a.longestLabelWidth*c,u=[],m,p,f,y;if(l.maxTicksLimit){y=l.maxTicksLimit}if(o){t=!1;if((h+l.autoSkipPadding)*s>a.width-(a.paddingLeft+a.paddingRight)){t=1+Math.floor((h+l.autoSkipPadding)*s/(a.width-(a.paddingLeft+a.paddingRight)))}if(y&&s>y){t=Math.max(t,Math.floor(s/y))}}for(m=0;m<s;m++){p=e[m];f=1<t&&0<m%t||0==m%t&&m+t>=s;if(f&&m!==s-1||n.isNullOrUndef(p.label)){delete p.label}u.push(p)}return u},draw:function draw(e){var t=this,o=t.options;if(!o.display){return}var s=t.ctx,c=a.global,h=o.ticks.minor,u=o.ticks.major||h,m=o.gridLines,p=o.scaleLabel,f=0!==t.labelRotation,y=t.isHorizontal(),x=h.autoSkip?t._autoSkip(t.getTicks()):t.getTicks(),k=n.valueOrDefault(h.fontColor,c.defaultFontColor),_=i(h),v=n.valueOrDefault(u.fontColor,c.defaultFontColor),S=i(u),w=m.drawTicks?m.tickMarkLength:0,D=n.valueOrDefault(p.fontColor,c.defaultFontColor),C=i(p),P=n.options.toPadding(p.padding),T=n.toRadians(t.labelRotation),O=[],I="right"===o.position?t.left:t.right-w,A="right"===o.position?t.left+w:t.right,M="bottom"===o.position?t.top:t.bottom-w,R="bottom"===o.position?t.top+w:t.bottom;n.each(x,function(a,i){if(a.label===void 0){return}var l=a.label,s,u,p,k;if(i===t.zeroLineIndex&&o.offset===m.offsetGridLines){s=m.zeroLineWidth;u=m.zeroLineColor;p=m.zeroLineBorderDash;k=m.zeroLineBorderDashOffset}else{s=n.valueAtIndexOrDefault(m.lineWidth,i);u=n.valueAtIndexOrDefault(m.color,i);p=n.valueOrDefault(m.borderDash,c.borderDash);k=n.valueOrDefault(m.borderDashOffset,c.borderDashOffset)}var _,v,S,D,C,P,F,L,W,Y,z="middle",H="middle",B=h.padding;if(y){var E=w+B;if("bottom"===o.position){H=!f?"top":"middle";z=!f?"center":"right";Y=t.top+E}else{H=!f?"bottom":"middle";z=!f?"center":"left";Y=t.bottom-E}var V=d(t,i,m.offsetGridLines&&1<x.length);if(V<t.left){u="rgba(0,0,0,0)"}V+=n.aliasPixel(s);W=t.getPixelForTick(i)+h.labelOffset;_=S=C=F=V;v=M;D=R;P=e.top;L=e.bottom}else{var N="left"===o.position,U;if(h.mirror){z=N?"left":"right";U=B}else{z=N?"right":"left";U=w+B}W=N?t.right-U:t.left+U;var j=d(t,i,m.offsetGridLines&&1<x.length);if(j<t.top){u="rgba(0,0,0,0)"}j+=n.aliasPixel(s);Y=t.getPixelForTick(i)+h.labelOffset;_=I;S=A;C=e.left;F=e.right;v=D=P=L=j}O.push({tx1:_,ty1:v,tx2:S,ty2:D,x1:C,y1:P,x2:F,y2:L,labelX:W,labelY:Y,glWidth:s,glColor:u,glBorderDash:p,glBorderDashOffset:k,rotation:-1*T,label:l,major:a.major,textBaseline:H,textAlign:z})});n.each(O,function(e){if(m.display){s.save();s.lineWidth=e.glWidth;s.strokeStyle=e.glColor;if(s.setLineDash){s.setLineDash(e.glBorderDash);s.lineDashOffset=e.glBorderDashOffset}s.beginPath();if(m.drawTicks){s.moveTo(e.tx1,e.ty1);s.lineTo(e.tx2,e.ty2)}if(m.drawOnChartArea){s.moveTo(e.x1,e.y1);s.lineTo(e.x2,e.y2)}s.stroke();s.restore()}if(h.display){s.save();s.translate(e.labelX,e.labelY);s.rotate(e.rotation);s.font=e.major?S.font:_.font;s.fillStyle=e.major?v:k;s.textBaseline=e.textBaseline;s.textAlign=e.textAlign;var t=e.label;if(n.isArray(t)){for(var a=0,o=0;a<t.length;++a){s.fillText(""+t[a],0,o);o+=1.5*_.size}}else{s.fillText(t,0,0)}s.restore()}});if(p.display){var F,L,W=0,Y=l(p)/2;if(y){F=t.left+(t.right-t.left)/2;L="bottom"===o.position?t.bottom-Y-P.bottom:t.top+Y+P.top}else{var z="left"===o.position;F=z?t.left+Y+P.top:t.right-Y-P.top;L=t.top+(t.bottom-t.top)/2;W=z?-.5*Math.PI:.5*Math.PI}s.save();s.translate(F,L);s.rotate(W);s.textAlign="center";s.textBaseline="middle";s.fillStyle=D;s.font=C.font;s.fillText(p.labelString,0,0);s.restore()}if(m.drawBorder){s.lineWidth=n.valueAtIndexOrDefault(m.lineWidth,0);s.strokeStyle=n.valueAtIndexOrDefault(m.color,0);var H=t.left,B=t.right,E=t.top,V=t.bottom,N=n.aliasPixel(s.lineWidth);if(y){E=V="top"===o.position?t.bottom:t.top;E+=N;V+=N}else{H=B="left"===o.position?t.right:t.left;H+=N;B+=N}s.beginPath();s.moveTo(H,E);s.lineTo(B,V);s.stroke()}}})}},{25:25,26:26,34:34,45:45}],33:[function(e,t){"use strict";var a=e(25),o=e(45);t.exports=function(e){e.scaleService={constructors:{},defaults:{},registerScaleType:function registerScaleType(e,t,a){this.constructors[e]=t;this.defaults[e]=o.clone(a)},getScaleConstructor:function getScaleConstructor(e){return this.constructors.hasOwnProperty(e)?this.constructors[e]:void 0},getScaleDefaults:function getScaleDefaults(e){return this.defaults.hasOwnProperty(e)?o.merge({},[a.scale,this.defaults[e]]):{}},updateScaleDefaults:function updateScaleDefaults(e,t){var a=this;if(a.defaults.hasOwnProperty(e)){a.defaults[e]=o.extend(a.defaults[e],t)}},addScalesToLayout:function addScalesToLayout(t){o.each(t.scales,function(a){a.fullWidth=a.options.fullWidth;a.position=a.options.position;a.weight=a.options.weight;e.layoutService.addBox(t,a)})}}}},{25:25,45:45}],34:[function(e,t){"use strict";var a=e(45);t.exports={generators:{linear:function linear(e,t){var o=[],i;if(e.stepSize&&0<e.stepSize){i=e.stepSize}else{var n=a.niceNum(t.max-t.min,!1);i=a.niceNum(n/(e.maxTicks-1),!0)}var l=Math.floor(t.min/i)*i,s=Math.ceil(t.max/i)*i;if(e.min&&e.max&&e.stepSize){if(a.almostWhole((e.max-e.min)/e.stepSize,i/1e3)){l=e.min;s=e.max}}var d=(s-l)/i;if(a.almostEquals(d,Math.round(d),i/1e3)){d=Math.round(d)}else{d=Math.ceil(d)}o.push(e.min!==void 0?e.min:l);for(var c=1;c<d;++c){o.push(l+c*i)}o.push(e.max!==void 0?e.max:s);return o},logarithmic:function logarithmic(e,t){var o=[],i=a.valueOrDefault,n=i(e.min,Math.pow(10,Math.floor(a.log10(t.min)))),l=Math.floor(a.log10(t.max)),s=Math.ceil(t.max/Math.pow(10,l)),d,c;if(0===n){d=Math.floor(a.log10(t.minNotZero));c=Math.floor(t.minNotZero/Math.pow(10,d));o.push(n);n=c*Math.pow(10,d)}else{d=Math.floor(a.log10(n));c=Math.floor(n/Math.pow(10,d))}do{o.push(n);++c;if(10===c){c=1;++d}n=c*Math.pow(10,d)}while(d<l||d===l&&c<s);var h=i(e.max,n);o.push(h);return o}},formatters:{values:function values(e){return a.isArray(e)?e:""+e},linear:function linear(e,t,o){var i=3<o.length?o[2]-o[1]:o[1]-o[0];if(1<Math.abs(i)){if(e!==Math.floor(e)){i=e-Math.floor(e)}}var n=a.log10(Math.abs(i)),l="";if(0!==e){var s=-1*Math.floor(n);s=Math.max(Math.min(s,20),0);l=e.toFixed(s)}else{l="0"}return l},logarithmic:function logarithmic(e,t,o){var i=e/Math.pow(10,Math.floor(a.log10(e)));if(0===e){return"0"}else if(1===i||2===i||5===i||0===t||t===o.length-1){return e.toExponential()}return""}}}},{45:45}],35:[function(e,t){"use strict";var a=e(25),o=e(26),n=e(45);a._set("global",{tooltips:{enabled:!0,custom:null,mode:"nearest",position:"average",intersect:!0,backgroundColor:"rgba(0,0,0,0.8)",titleFontStyle:"bold",titleSpacing:2,titleMarginBottom:6,titleFontColor:"#fff",titleAlign:"left",bodySpacing:2,bodyFontColor:"#fff",bodyAlign:"left",footerFontStyle:"bold",footerSpacing:2,footerMarginTop:6,footerFontColor:"#fff",footerAlign:"left",yPadding:6,xPadding:6,caretPadding:2,caretSize:5,cornerRadius:6,multiKeyBackground:"#fff",displayColors:!0,borderColor:"rgba(0,0,0,0)",borderWidth:0,callbacks:{beforeTitle:n.noop,title:function(e,t){var a="",o=t.labels,i=o?o.length:0;if(0<e.length){var n=e[0];if(n.xLabel){a=n.xLabel}else if(0<i&&n.index<i){a=o[n.index]}}return a},afterTitle:n.noop,beforeBody:n.noop,beforeLabel:n.noop,label:function(e,t){var a=t.datasets[e.datasetIndex].label||"";if(a){a+=": "}a+=e.yLabel;return a},labelColor:function labelColor(e,t){var a=t.getDatasetMeta(e.datasetIndex),o=a.data[e.index],i=o._view;return{borderColor:i.borderColor,backgroundColor:i.backgroundColor}},labelTextColor:function labelTextColor(){return this._options.bodyFontColor},afterLabel:n.noop,afterBody:n.noop,beforeFooter:n.noop,footer:n.noop,afterFooter:n.noop}}});t.exports=function(e){function t(e,t){var a=n.color(e);return a.alpha(t*a.alpha()).rgbaString()}function i(e,t){if(t){if(n.isArray(t)){Array.prototype.push.apply(e,t)}else{e.push(t)}}return e}function l(e){var t=e._xScale,a=e._yScale||e._scale,o=e._index,i=e._datasetIndex;return{xLabel:t?t.getLabelForIndex(o,i):"",yLabel:a?a.getLabelForIndex(o,i):"",index:o,datasetIndex:i,x:e._model.x,y:e._model.y}}function s(e){var t=a.global,o=n.valueOrDefault;return{xPadding:e.xPadding,yPadding:e.yPadding,xAlign:e.xAlign,yAlign:e.yAlign,bodyFontColor:e.bodyFontColor,_bodyFontFamily:o(e.bodyFontFamily,t.defaultFontFamily),_bodyFontStyle:o(e.bodyFontStyle,t.defaultFontStyle),_bodyAlign:e.bodyAlign,bodyFontSize:o(e.bodyFontSize,t.defaultFontSize),bodySpacing:e.bodySpacing,titleFontColor:e.titleFontColor,_titleFontFamily:o(e.titleFontFamily,t.defaultFontFamily),_titleFontStyle:o(e.titleFontStyle,t.defaultFontStyle),titleFontSize:o(e.titleFontSize,t.defaultFontSize),_titleAlign:e.titleAlign,titleSpacing:e.titleSpacing,titleMarginBottom:e.titleMarginBottom,footerFontColor:e.footerFontColor,_footerFontFamily:o(e.footerFontFamily,t.defaultFontFamily),_footerFontStyle:o(e.footerFontStyle,t.defaultFontStyle),footerFontSize:o(e.footerFontSize,t.defaultFontSize),_footerAlign:e.footerAlign,footerSpacing:e.footerSpacing,footerMarginTop:e.footerMarginTop,caretSize:e.caretSize,cornerRadius:e.cornerRadius,backgroundColor:e.backgroundColor,opacity:0,legendColorBackground:e.multiKeyBackground,displayColors:e.displayColors,borderColor:e.borderColor,borderWidth:e.borderWidth}}function d(e,t){var a=e._chart.ctx,o=2*t.yPadding,i=0,l=t.body,s=l.reduce(function(e,t){return e+t.before.length+t.lines.length+t.after.length},0);s+=t.beforeBody.length+t.afterBody.length;var d=t.title.length,c=t.footer.length,h=t.titleFontSize,u=t.bodyFontSize,m=t.footerFontSize;o+=d*h;o+=d?(d-1)*t.titleSpacing:0;o+=d?t.titleMarginBottom:0;o+=s*u;o+=s?(s-1)*t.bodySpacing:0;o+=c?t.footerMarginTop:0;o+=c*m;o+=c?(c-1)*t.footerSpacing:0;var p=0,f=function(e){i=Math.max(i,a.measureText(e).width+p)};a.font=n.fontString(h,t._titleFontStyle,t._titleFontFamily);n.each(t.title,f);a.font=n.fontString(u,t._bodyFontStyle,t._bodyFontFamily);n.each(t.beforeBody.concat(t.afterBody),f);p=t.displayColors?u+2:0;n.each(l,function(e){n.each(e.before,f);n.each(e.lines,f);n.each(e.after,f)});p=0;a.font=n.fontString(m,t._footerFontStyle,t._footerFontFamily);n.each(t.footer,f);i+=2*t.xPadding;return{width:i,height:o}}function c(e,t){var a=e._model,o=e._chart,i=e._chart.chartArea,n="center",l="center";if(a.y<t.height){l="top"}else if(a.y>o.height-t.height){l="bottom"}var s,d,c,h,u,m=(i.left+i.right)/2,p=(i.top+i.bottom)/2;if("center"===l){s=function(e){return e<=m};d=function(e){return e>m}}else{s=function(e){return e<=t.width/2};d=function(e){return e>=o.width-t.width/2}}c=function(e){return e+t.width>o.width};h=function(e){return 0>e-t.width};u=function(e){return e<=p?"top":"bottom"};if(s(a.x)){n="left";if(c(a.x)){n="center";l=u(a.y)}}else if(d(a.x)){n="right";if(h(a.x)){n="center";l=u(a.y)}}var f=e._options;return{xAlign:f.xAlign?f.xAlign:n,yAlign:f.yAlign?f.yAlign:l}}function h(e,t,a){var o=e.x,i=e.y,n=e.caretSize,l=e.caretPadding,s=e.cornerRadius,d=a.xAlign,c=a.yAlign,h=n+l,u=s+l;if("right"===d){o-=t.width}else if("center"===d){o-=t.width/2}if("top"===c){i+=h}else if("bottom"===c){i-=t.height+h}else{i-=t.height/2}if("center"===c){if("left"===d){o+=h}else if("right"===d){o-=h}}else if("left"===d){o-=u}else if("right"===d){o+=u}return{x:o,y:i}}e.Tooltip=o.extend({initialize:function initialize(){this._model=s(this._options)},getTitle:function getTitle(){var e=this,t=e._options,a=t.callbacks,o=a.beforeTitle.apply(e,arguments),n=a.title.apply(e,arguments),l=a.afterTitle.apply(e,arguments),s=[];s=i(s,o);s=i(s,n);s=i(s,l);return s},getBeforeBody:function getBeforeBody(){var e=this._options.callbacks.beforeBody.apply(this,arguments);return n.isArray(e)?e:e!==void 0?[e]:[]},getBody:function getBody(e,t){var a=this,o=a._options.callbacks,l=[];n.each(e,function(e){var n={before:[],lines:[],after:[]};i(n.before,o.beforeLabel.call(a,e,t));i(n.lines,o.label.call(a,e,t));i(n.after,o.afterLabel.call(a,e,t));l.push(n)});return l},getAfterBody:function getAfterBody(){var e=this._options.callbacks.afterBody.apply(this,arguments);return n.isArray(e)?e:e!==void 0?[e]:[]},getFooter:function getFooter(){var e=this,t=e._options.callbacks,a=t.beforeFooter.apply(e,arguments),o=t.footer.apply(e,arguments),n=t.afterFooter.apply(e,arguments),l=[];l=i(l,a);l=i(l,o);l=i(l,n);return l},update:function update(t){var a=this,o=a._options,u=a._model,m=a._model=s(o),p=a._active,f=a._data,y={xAlign:u.xAlign,yAlign:u.yAlign},x={x:u.x,y:u.y},k={width:u.width,height:u.height},_={x:u.caretX,y:u.caretY},v,S;if(p.length){m.opacity=1;var w=[],D=[];_=e.Tooltip.positioners[o.position](p,a._eventPosition);var C=[];for(v=0,S=p.length;v<S;++v){C.push(l(p[v]))}if(o.filter){C=C.filter(function(e){return o.filter(e,f)})}if(o.itemSort){C=C.sort(function(e,t){return o.itemSort(e,t,f)})}n.each(C,function(e){w.push(o.callbacks.labelColor.call(a,e,a._chart));D.push(o.callbacks.labelTextColor.call(a,e,a._chart))});m.title=a.getTitle(C,f);m.beforeBody=a.getBeforeBody(C,f);m.body=a.getBody(C,f);m.afterBody=a.getAfterBody(C,f);m.footer=a.getFooter(C,f);m.x=Math.round(_.x);m.y=Math.round(_.y);m.caretPadding=o.caretPadding;m.labelColors=w;m.labelTextColors=D;m.dataPoints=C;k=d(this,m);y=c(this,k);x=h(m,k,y)}else{m.opacity=0}m.xAlign=y.xAlign;m.yAlign=y.yAlign;m.x=x.x;m.y=x.y;m.width=k.width;m.height=k.height;m.caretX=_.x;m.caretY=_.y;a._model=m;if(t&&o.custom){o.custom.call(a,m)}return a},drawCaret:function drawCaret(e,t){var a=this._chart.ctx,o=this._view,i=this.getCaretPosition(e,t,o);a.lineTo(i.x1,i.y1);a.lineTo(i.x2,i.y2);a.lineTo(i.x3,i.y3)},getCaretPosition:function getCaretPosition(e,t,a){var o,i,n,l,s,d,c=a.caretSize,h=a.cornerRadius,u=a.xAlign,m=a.yAlign,p=e.x,f=e.y,y=t.width,x=t.height;if("center"===m){s=f+x/2;if("left"===u){o=p;i=o-c;n=o;l=s+c;d=s-c}else{o=p+y;i=o+c;n=o;l=s-c;d=s+c}}else{if("left"===u){i=p+h+c;o=i-c;n=i+c}else if("right"===u){i=p+y-h-c;o=i-c;n=i+c}else{i=p+y/2;o=i-c;n=i+c}if("top"===m){l=f;s=l-c;d=l}else{l=f+x;s=l+c;d=l;var k=n;n=o;o=k}}return{x1:o,x2:i,x3:n,y1:l,y2:s,y3:d}},drawTitle:function drawTitle(e,a,o,l){var s=a.title;if(s.length){o.textAlign=a._titleAlign;o.textBaseline="top";var d=a.titleFontSize,c=a.titleSpacing;o.fillStyle=t(a.titleFontColor,l);o.font=n.fontString(d,a._titleFontStyle,a._titleFontFamily);var h,u;for(h=0,u=s.length;h<u;++h){o.fillText(s[h],e.x,e.y);e.y+=d+c;if(h+1===s.length){e.y+=a.titleMarginBottom-c}}}},drawBody:function drawBody(e,a,o,l){var s=a.bodyFontSize,d=a.bodySpacing,c=a.body;o.textAlign=a._bodyAlign;o.textBaseline="top";o.font=n.fontString(s,a._bodyFontStyle,a._bodyFontFamily);var h=0,u=function(t){o.fillText(t,e.x+h,e.y);e.y+=s+d};n.each(a.beforeBody,u);var m=a.displayColors;h=m?s+2:0;n.each(c,function(d,c){n.each(d.before,u);n.each(d.lines,function(i){if(m){o.fillStyle=t(a.legendColorBackground,l);o.fillRect(e.x,e.y,s,s);o.lineWidth=1;o.strokeStyle=t(a.labelColors[c].borderColor,l);o.strokeRect(e.x,e.y,s,s);o.fillStyle=t(a.labelColors[c].backgroundColor,l);o.fillRect(e.x+1,e.y+1,s-2,s-2);var n=t(a.labelTextColors[c],l);o.fillStyle=n}u(i)});n.each(d.after,u)});h=0;n.each(a.afterBody,u);e.y-=d},drawFooter:function drawFooter(e,a,o,i){var l=a.footer;if(l.length){e.y+=a.footerMarginTop;o.textAlign=a._footerAlign;o.textBaseline="top";o.fillStyle=t(a.footerFontColor,i);o.font=n.fontString(a.footerFontSize,a._footerFontStyle,a._footerFontFamily);n.each(l,function(t){o.fillText(t,e.x,e.y);e.y+=a.footerFontSize+a.footerSpacing})}},drawBackground:function drawBackground(e,a,o,i,n){o.fillStyle=t(a.backgroundColor,n);o.strokeStyle=t(a.borderColor,n);o.lineWidth=a.borderWidth;var l=a.xAlign,s=a.yAlign,d=e.x,c=e.y,h=i.width,u=i.height,m=a.cornerRadius;o.beginPath();o.moveTo(d+m,c);if("top"===s){this.drawCaret(e,i)}o.lineTo(d+h-m,c);o.quadraticCurveTo(d+h,c,d+h,c+m);if("center"===s&&"right"===l){this.drawCaret(e,i)}o.lineTo(d+h,c+u-m);o.quadraticCurveTo(d+h,c+u,d+h-m,c+u);if("bottom"===s){this.drawCaret(e,i)}o.lineTo(d+m,c+u);o.quadraticCurveTo(d,c+u,d,c+u-m);if("center"===s&&"left"===l){this.drawCaret(e,i)}o.lineTo(d,c+m);o.quadraticCurveTo(d,c,d+m,c);o.closePath();o.fill();if(0<a.borderWidth){o.stroke()}},draw:function draw(){var e=this._chart.ctx,t=this._view;if(0===t.opacity){return}var a={width:t.width,height:t.height},o={x:t.x,y:t.y},i=Math.abs(1e-3>t.opacity)?0:t.opacity,n=t.title.length||t.beforeBody.length||t.body.length||t.afterBody.length||t.footer.length;if(this._options.enabled&&n){this.drawBackground(o,t,e,a,i);o.x+=t.xPadding;o.y+=t.yPadding;this.drawTitle(o,t,e,i);this.drawBody(o,t,e,i);this.drawFooter(o,t,e,i)}},handleEvent:function handleEvent(t){var e=this,a=e._options,o=!1;e._lastActive=e._lastActive||[];if("mouseout"===t.type){e._active=[]}else{e._active=e._chart.getElementsAtEventForMode(t,a.mode,a)}o=!n.arrayEquals(e._active,e._lastActive);if(!o){return!1}e._lastActive=e._active;if(a.enabled||a.custom){e._eventPosition={x:t.x,y:t.y};var i=e._model;e.update(!0);e.pivot();o|=i.x!==e._model.x||i.y!==e._model.y}return o}});e.Tooltip.positioners={average:function average(e){if(!e.length){return!1}var t,a,o=0,n=0,l=0;for(t=0,a=e.length;t<a;++t){var s=e[t];if(s&&s.hasValue()){var d=s.tooltipPosition();o+=d.x;n+=d.y;++l}}return{x:Math.round(o/l),y:Math.round(n/l)}},nearest:function nearest(e,t){var a=t.x,o=t.y,l=Number.POSITIVE_INFINITY,s,c,h;for(s=0,c=e.length;s<c;++s){var u=e[s];if(u&&u.hasValue()){var m=u.getCenterPoint(),p=n.distanceBetweenPoints(t,m);if(p<l){l=p;h=u}}}if(h){var d=h.tooltipPosition();a=d.x;o=d.y}return{x:a,y:o}}}}},{25:25,26:26,45:45}],36:[function(e,t){"use strict";var a=e(25),o=e(26),i=e(45);a._set("global",{elements:{arc:{backgroundColor:a.global.defaultColor,borderColor:"#fff",borderWidth:2}}});t.exports=o.extend({inLabelRange:function inLabelRange(e){var t=this._view;if(t){return Math.pow(e-t.x,2)<Math.pow(t.radius+t.hoverRadius,2)}return!1},inRange:function inRange(e,t){var a=this._view;if(a){var o=i.getAngleFromPoint(a,{x:e,y:t}),n=o.angle,l=o.distance,s=a.startAngle,d=a.endAngle;while(d<s){d+=2*Math.PI}while(n>d){n-=2*Math.PI}while(n<s){n+=2*Math.PI}var c=n>=s&&n<=d,h=l>=a.innerRadius&&l<=a.outerRadius;return c&&h}return!1},getCenterPoint:function getCenterPoint(){var e=this._view,t=(e.startAngle+e.endAngle)/2,a=(e.innerRadius+e.outerRadius)/2;return{x:e.x+Math.cos(t)*a,y:e.y+Math.sin(t)*a}},getArea:function getArea(){var e=this._view;return Math.PI*((e.endAngle-e.startAngle)/(2*Math.PI))*(Math.pow(e.outerRadius,2)-Math.pow(e.innerRadius,2))},tooltipPosition:function tooltipPosition(){var e=this._view,t=e.startAngle+(e.endAngle-e.startAngle)/2,a=(e.outerRadius-e.innerRadius)/2+e.innerRadius;return{x:e.x+Math.cos(t)*a,y:e.y+Math.sin(t)*a}},draw:function draw(){var e=this._chart.ctx,t=this._view,a=t.startAngle,o=t.endAngle;e.beginPath();e.arc(t.x,t.y,t.outerRadius,a,o);e.arc(t.x,t.y,t.innerRadius,o,a,!0);e.closePath();e.strokeStyle=t.borderColor;e.lineWidth=t.borderWidth;e.fillStyle=t.backgroundColor;e.fill();e.lineJoin="bevel";if(t.borderWidth){e.stroke()}}})},{25:25,26:26,45:45}],37:[function(e,t){"use strict";var a=e(25),o=e(26),i=e(45),n=a.global;a._set("global",{elements:{line:{tension:.4,backgroundColor:n.defaultColor,borderWidth:3,borderColor:n.defaultColor,borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",capBezierPoints:!0,fill:!0}}});t.exports=o.extend({draw:function draw(){var e=this,t=e._view,a=e._chart.ctx,o=t.spanGaps,l=e._children.slice(),s=n.elements.line,d=-1,c,h,u,m;if(e._loop&&l.length){l.push(l[0])}a.save();a.lineCap=t.borderCapStyle||s.borderCapStyle;if(a.setLineDash){a.setLineDash(t.borderDash||s.borderDash)}a.lineDashOffset=t.borderDashOffset||s.borderDashOffset;a.lineJoin=t.borderJoinStyle||s.borderJoinStyle;a.lineWidth=t.borderWidth||s.borderWidth;a.strokeStyle=t.borderColor||n.defaultColor;a.beginPath();d=-1;for(c=0;c<l.length;++c){h=l[c];u=i.previousItem(l,c);m=h._view;if(0===c){if(!m.skip){a.moveTo(m.x,m.y);d=c}}else{u=-1===d?u:l[d];if(!m.skip){if(d!==c-1&&!o||-1===d){a.moveTo(m.x,m.y)}else{i.canvas.lineTo(a,u._view,h._view)}d=c}}}a.stroke();a.restore()}})},{25:25,26:26,45:45}],38:[function(e,t){"use strict";var a=e(25),o=e(26),i=e(45),n=a.global.defaultColor;a._set("global",{elements:{point:{radius:3,pointStyle:"circle",backgroundColor:n,borderColor:n,borderWidth:1,hitRadius:1,hoverRadius:4,hoverBorderWidth:1}}});function l(e){var t=this._view;return t?Math.pow(e-t.x,2)<Math.pow(t.radius+t.hitRadius,2):!1}t.exports=o.extend({inRange:function inRange(e,t){var a=this._view;return a?Math.pow(e-a.x,2)+Math.pow(t-a.y,2)<Math.pow(a.hitRadius+a.radius,2):!1},inLabelRange:l,inXRange:l,inYRange:function(e){var t=this._view;return t?Math.pow(e-t.y,2)<Math.pow(t.radius+t.hitRadius,2):!1},getCenterPoint:function getCenterPoint(){var e=this._view;return{x:e.x,y:e.y}},getArea:function getArea(){return Math.PI*Math.pow(this._view.radius,2)},tooltipPosition:function tooltipPosition(){var e=this._view;return{x:e.x,y:e.y,padding:e.radius+e.borderWidth}},draw:function draw(e){var t=this._view,o=this._model,l=this._chart.ctx,s=t.pointStyle,d=t.radius,c=t.x,h=t.y,u=i.color,m=1.01,p=0;if(t.skip){return}l.strokeStyle=t.borderColor||n;l.lineWidth=i.valueOrDefault(t.borderWidth,a.global.elements.point.borderWidth);l.fillStyle=t.backgroundColor||n;if(e!==void 0&&(o.x<e.left||e.right*m<o.x||o.y<e.top||e.bottom*m<o.y)){if(o.x<e.left){p=(c-o.x)/(e.left-o.x)}else if(e.right*m<o.x){p=(o.x-c)/(o.x-e.right)}else if(o.y<e.top){p=(h-o.y)/(e.top-o.y)}else if(e.bottom*m<o.y){p=(o.y-h)/(o.y-e.bottom)}p=Math.round(100*p)/100;l.strokeStyle=u(l.strokeStyle).alpha(p).rgbString();l.fillStyle=u(l.fillStyle).alpha(p).rgbString()}i.canvas.drawPoint(l,s,d,c,h)}})},{25:25,26:26,45:45}],39:[function(e,t){"use strict";var a=e(25),o=e(26);a._set("global",{elements:{rectangle:{backgroundColor:a.global.defaultColor,borderColor:a.global.defaultColor,borderSkipped:"bottom",borderWidth:0}}});function i(e){return e._view.width!==void 0}function n(e){var t=e._view,a,o,n,l;if(i(e)){var s=t.width/2;a=t.x-s;o=t.x+s;n=Math.min(t.y,t.base);l=Math.max(t.y,t.base)}else{var d=t.height/2;a=Math.min(t.x,t.base);o=Math.max(t.x,t.base);n=t.y-d;l=t.y+d}return{left:a,top:n,right:o,bottom:l}}t.exports=o.extend({draw:function draw(){var e=this._chart.ctx,t=this._view,a,o,n,l,s,d,c,h=t.borderWidth;if(!t.horizontal){a=t.x-t.width/2;o=t.x+t.width/2;n=t.y;l=t.base;s=1;d=l>n?1:-1;c=t.borderSkipped||"bottom"}else{a=t.base;o=t.x;n=t.y-t.height/2;l=t.y+t.height/2;s=o>a?1:-1;d=1;c=t.borderSkipped||"left"}if(h){var u=Math.min(Math.abs(a-o),Math.abs(n-l));h=h>u?u:h;var m=h/2,p=a+("left"!==c?m*s:0),f=o+("right"!==c?-m*s:0),y=n+("top"!==c?m*d:0),x=l+("bottom"!==c?-m*d:0);if(p!==f){n=y;l=x}if(y!==x){a=p;o=f}}e.beginPath();e.fillStyle=t.backgroundColor;e.strokeStyle=t.borderColor;e.lineWidth=h;var k=[[a,l],[a,n],[o,n],[o,l]],_=["bottom","left","top","right"].indexOf(c,0);if(-1===_){_=0}function v(e){return k[(_+e)%4]}var S=v(0);e.moveTo(S[0],S[1]);for(var w=1;4>w;w++){S=v(w);e.lineTo(S[0],S[1])}e.fill();if(h){e.stroke()}},height:function height(){var e=this._view;return e.base-e.y},inRange:function(e,t){var a=!1;if(this._view){var o=n(this);a=e>=o.left&&e<=o.right&&t>=o.top&&t<=o.bottom}return a},inLabelRange:function 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t=document.createElement("div"),a=i+"size-monitor",o=1e6,n="position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;pointer-events:none;visibility:hidden;z-index:-1;";t.style.cssText=n;t.className=a;t.innerHTML="<div class=\""+a+"-expand\" style=\""+n+"\"><div style=\"position:absolute;width:"+o+"px;height:"+o+"px;left:0;top:0\"></div></div><div class=\""+a+"-shrink\" style=\""+n+"\"><div style=\"position:absolute;width:200%;height:200%;left:0; top:0\"></div></div>";var l=t.childNodes[0],s=t.childNodes[1];t._reset=function(){l.scrollLeft=o;l.scrollTop=o;s.scrollLeft=o;s.scrollTop=o};var d=function(){t._reset();e()};p(l,"scroll",d.bind(l,"expand"));p(s,"scroll",d.bind(s,"shrink"));return t}function v(e,t){var i=e[o]||(e[o]={}),d=i.renderProxy=function(a){if(a.animationName===l){t()}};a.each(s,function(t){p(e,t,d)});e.classList.add(n)}function S(e){var t=e[o]||{},i=t.renderProxy;if(i){a.each(s,function(t){f(e,t,i)});delete t.renderProxy}e.classList.remove(n)}function w(e,t,a){var i=e[o]||(e[o]={}),n=i.resizer=_(k(function(){if(i.resizer){return t(y("resize",a))}}));v(e,function(){if(i.resizer){var t=e.parentNode;if(t&&t!==n.parentNode){t.insertBefore(n,t.firstChild)}n._reset()}})}function D(e){var t=e[o]||{},a=t.resizer;delete t.resizer;S(e);if(a&&a.parentNode){a.parentNode.removeChild(a)}}function C(e,t){var a=e._style||document.createElement("style");if(!e._style){e._style=a;t="/* Chart.js */\n"+t;a.setAttribute("type","text/css");document.getElementsByTagName("head")[0].appendChild(a)}a.appendChild(document.createTextNode(t))}t.exports={_enabled:"undefined"!=typeof window&&"undefined"!=typeof document,initialize:function initialize(){C(this,"@-webkit-keyframes "+l+"{"+"from{opacity:0.99}to{opacity:1}"+"}@keyframes "+l+"{"+"from{opacity:0.99}to{opacity:1}"+"}."+n+"{-webkit-animation:"+l+" 0.001s;animation:"+l+" 0.001s;}")},acquireContext:function acquireContext(e,t){if("string"==typeof e){e=document.getElementById(e)}else if(e.length){e=e[0]}if(e&&e.canvas){e=e.canvas}var a=e&&e.getContext&&e.getContext("2d");if(a&&a.canvas===e){h(e,t);return a}return null},releaseContext:function releaseContext(e){var t=e.canvas;if(!t[o]){return}var i=t[o].initial;["height","width"].forEach(function(e){var o=i[e];if(a.isNullOrUndef(o)){t.removeAttribute(e)}else{t.setAttribute(e,o)}});a.each(i.style||{},function(e,a){t.style[a]=e});t.width=t.width;delete t[o]},addEventListener:function addEventListener(e,t,a){var i=e.canvas;if("resize"===t){w(i,a,e);return}var n=a[o]||(a[o]={}),l=n.proxies||(n.proxies={}),s=l[e.id+"_"+t]=function(t){a(x(t,e))};p(i,t,s)},removeEventListener:function removeEventListener(e,t,a){var i=e.canvas;if("resize"===t){D(i,a);return}var n=a[o]||{},l=n.proxies||{},s=l[e.id+"_"+t];if(!s){return}f(i,t,s)}};a.addEvent=p;a.removeEvent=f},{45:45}],48:[function(e,t){"use strict";var a=e(45),o=e(46),i=e(47),n=i._enabled?i:o;t.exports=a.extend({initialize:function initialize(){},acquireContext:function 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n}switch(i){case"bottom":return"start";case"top":return"end";case"zero":return"origin";case"origin":case"start":case"end":return i;default:return!1;}}function l(e){var t=e.el._model||{},a=e.el._scale||{},o=e.fill,i=null,n;if(isFinite(o)){return null}if("start"===o){i=t.scaleBottom===void 0?a.bottom:t.scaleBottom}else if("end"===o){i=t.scaleTop===void 0?a.top:t.scaleTop}else if(t.scaleZero!==void 0){i=t.scaleZero}else if(a.getBasePosition){i=a.getBasePosition()}else if(a.getBasePixel){i=a.getBasePixel()}if(i!==void 0&&null!==i){if(i.x!==void 0&&i.y!==void 0){return i}if("number"==typeof i&&isFinite(i)){n=a.isHorizontal();return{x:n?i:null,y:n?null:i}}}return null}function s(e,t,a){var o=e[t],i=o.fill,n=[t],l;if(!a){return i}while(!1!==i&&-1===n.indexOf(i)){if(!isFinite(i)){return i}l=e[i];if(!l){return!1}if(l.visible){return i}n.push(i);i=l.fill}return!1}function d(t){var a=t.fill,o="dataset";if(!1===a){return null}if(!isFinite(a)){o="boundary"}return e[o](t)}function c(e){return e&&!e.skip}function h(e,t,a,o,l){var s;if(!o||!l){return}e.moveTo(t[0].x,t[0].y);for(s=1;s<o;++s){n.canvas.lineTo(e,t[s-1],t[s])}e.lineTo(a[l-1].x,a[l-1].y);for(s=l-1;0<s;--s){n.canvas.lineTo(e,a[s],a[s-1],!0)}}function u(e,t,a,o,n,l){var s=t.length,d=o.spanGaps,u=[],m=[],p=0,f=0,y,x,k,_,v,S,w;e.beginPath();for(y=0,x=s+!!l;y<x;++y){k=y%s;_=t[k]._view;v=a(_,k,o);S=c(_);w=c(v);if(S&&w){p=u.push(_);f=m.push(v)}else if(p&&f){if(!d){h(e,u,m,p,f);p=f=0;u=[];m=[]}else{if(S){u.push(_)}if(w){m.push(v)}}}}h(e,u,m,p,f);e.closePath();e.fillStyle=n;e.fill()}return{id:"filler",afterDatasetsUpdate:function afterDatasetsUpdate(e,a){var n=(e.data.datasets||[]).length,c=a.propagate,h=[],u,m,p,f;for(m=0;m<n;++m){u=e.getDatasetMeta(m);p=u.dataset;f=null;if(p&&p._model&&p instanceof o.Line){f={visible:e.isDatasetVisible(m),fill:t(p,m,n),chart:e,el:p}}u.$filler=f;h.push(f)}for(m=0;m<n;++m){f=h[m];if(!f){continue}f.fill=s(h,m,c);f.boundary=l(f);f.mapper=d(f)}},beforeDatasetDraw:function beforeDatasetDraw(e,t){var o=t.meta.$filler;if(!o){return}var i=e.ctx,l=o.el,s=l._view,d=l._children||[],c=o.mapper,h=s.backgroundColor||a.global.defaultColor;if(c&&h&&d.length){n.canvas.clipArea(i,e.chartArea);u(i,d,c,s,h,l._loop);n.canvas.unclipArea(i)}}}}},{25:25,40:40,45:45}],50:[function(e,t){"use strict";var a=e(25),o=e(26),n=e(45);a._set("global",{legend:{display:!0,position:"top",fullWidth:!0,reverse:!1,weight:1e3,onClick:function onClick(t,e){var a=e.datasetIndex,o=this.chart,i=o.getDatasetMeta(a);i.hidden=null===i.hidden?!o.data.datasets[a].hidden:null;o.update()},onHover:null,labels:{boxWidth:40,padding:10,generateLabels:function generateLabels(e){var t=e.data;return n.isArray(t.datasets)?t.datasets.map(function(t,a){return{text:t.label,fillStyle:!n.isArray(t.backgroundColor)?t.backgroundColor:t.backgroundColor[0],hidden:!e.isDatasetVisible(a),lineCap:t.borderCapStyle,lineDash:t.borderDash,lineDashOffset:t.borderDashOffset,lineJoin:t.borderJoinStyle,lineWidth:t.borderWidth,strokeStyle:t.borderColor,pointStyle:t.pointStyle,datasetIndex:a}},this):[]}}},legendCallback:function legendCallback(e){for(var t=["<ul class=\""+e.id+"-legend\">"],a=0;a<e.data.datasets.length;a++){t.push("<li><span style=\"background-color:"+e.data.datasets[a].backgroundColor+"\"></span>");if(e.data.datasets[a].label){t.push(e.data.datasets[a].label)}t.push("</li>")}t.push("</ul>");return t.join("")}});t.exports=function(e){var t=e.layoutService,i=n.noop;function l(e,t){return e.usePointStyle?t*Math.SQRT2:e.boxWidth}e.Legend=o.extend({initialize:function initialize(e){n.extend(this,e);this.legendHitBoxes=[];this.doughnutMode=!1},beforeUpdate:i,update:function update(e,t,a){var o=this;o.beforeUpdate();o.maxWidth=e;o.maxHeight=t;o.margins=a;o.beforeSetDimensions();o.setDimensions();o.afterSetDimensions();o.beforeBuildLabels();o.buildLabels();o.afterBuildLabels();o.beforeFit();o.fit();o.afterFit();o.afterUpdate();return o.minSize},afterUpdate:i,beforeSetDimensions:i,setDimensions:function setDimensions(){var e=this;if(e.isHorizontal()){e.width=e.maxWidth;e.left=0;e.right=e.width}else{e.height=e.maxHeight;e.top=0;e.bottom=e.height}e.paddingLeft=0;e.paddingTop=0;e.paddingRight=0;e.paddingBottom=0;e.minSize={width:0,height:0}},afterSetDimensions:i,beforeBuildLabels:i,buildLabels:function buildLabels(){var e=this,t=e.options.labels||{},a=n.callback(t.generateLabels,[e.chart],e)||[];if(t.filter){a=a.filter(function(a){return t.filter(a,e.chart.data)})}if(e.options.reverse){a.reverse()}e.legendItems=a},afterBuildLabels:i,beforeFit:i,fit:function fit(){var e=this,t=e.options,o=t.labels,i=t.display,s=e.ctx,d=a.global,c=n.valueOrDefault,h=c(o.fontSize,d.defaultFontSize),u=c(o.fontStyle,d.defaultFontStyle),m=c(o.fontFamily,d.defaultFontFamily),p=n.fontString(h,u,m),f=e.legendHitBoxes=[],y=e.minSize,x=e.isHorizontal();if(x){y.width=e.maxWidth;y.height=i?10:0}else{y.width=i?10:0;y.height=e.maxHeight}if(i){s.font=p;if(x){var k=e.lineWidths=[0],_=e.legendItems.length?h+o.padding:0;s.textAlign="left";s.textBaseline="top";n.each(e.legendItems,function(t,a){var i=l(o,h),n=i+h/2+s.measureText(t.text).width;if(k[k.length-1]+n+o.padding>=e.width){_+=h+o.padding;k[k.length]=e.left}f[a]={left:0,top:0,width:n,height:h};k[k.length-1]+=n+o.padding});y.height+=_}else{var v=o.padding,S=e.columnWidths=[],w=o.padding,D=0,C=0,P=h+v;n.each(e.legendItems,function(e,t){var a=l(o,h),i=a+h/2+s.measureText(e.text).width;if(C+P>y.height){w+=D+o.padding;S.push(D);D=0;C=0}D=Math.max(D,i);C+=P;f[t]={left:0,top:0,width:i,height:h}});w+=D;S.push(D);y.width+=w}}e.width=y.width;e.height=y.height},afterFit:i,isHorizontal:function isHorizontal(){return"top"===this.options.position||"bottom"===this.options.position},draw:function draw(){var e=this,t=e.options,o=t.labels,i=a.global,s=i.elements.line,d=e.width,c=e.lineWidths;if(t.display){var h=e.ctx,u=n.valueOrDefault,m=u(o.fontColor,i.defaultFontColor),p=u(o.fontSize,i.defaultFontSize),f=u(o.fontStyle,i.defaultFontStyle),y=u(o.fontFamily,i.defaultFontFamily),x=n.fontString(p,f,y),k;h.textAlign="left";h.textBaseline="middle";h.lineWidth=.5;h.strokeStyle=m;h.fillStyle=m;h.font=x;var _=l(o,p),v=e.legendHitBoxes,S=function(e,a,o){if(isNaN(_)||0>=_){return}h.save();h.fillStyle=u(o.fillStyle,i.defaultColor);h.lineCap=u(o.lineCap,s.borderCapStyle);h.lineDashOffset=u(o.lineDashOffset,s.borderDashOffset);h.lineJoin=u(o.lineJoin,s.borderJoinStyle);h.lineWidth=u(o.lineWidth,s.borderWidth);h.strokeStyle=u(o.strokeStyle,i.defaultColor);var l=0===u(o.lineWidth,s.borderWidth);if(h.setLineDash){h.setLineDash(u(o.lineDash,s.borderDash))}if(t.labels&&t.labels.usePointStyle){var d=p*Math.SQRT2/2,c=d/Math.SQRT2;n.canvas.drawPoint(h,o.pointStyle,d,e+c,a+c)}else{if(!l){h.strokeRect(e,a,_,p)}h.fillRect(e,a,_,p)}h.restore()},w=function(e,t,a,o){var i=p/2,n=_+i+e,l=t+i;h.fillText(a.text,n,l);if(a.hidden){h.beginPath();h.lineWidth=2;h.moveTo(n,l);h.lineTo(n+o,l);h.stroke()}},D=e.isHorizontal();if(D){k={x:e.left+(d-c[0])/2,y:e.top+o.padding,line:0}}else{k={x:e.left+o.padding,y:e.top+o.padding,line:0}}var C=p+o.padding;n.each(e.legendItems,function(t,a){var i=h.measureText(t.text).width,n=_+p/2+i,l=k.x,s=k.y;if(D){if(l+n>=d){s=k.y+=C;k.line++;l=k.x=e.left+(d-c[k.line])/2}}else if(s+C>e.bottom){l=k.x=l+e.columnWidths[k.line]+o.padding;s=k.y=e.top+o.padding;k.line++}S(l,s,t);v[a].left=l;v[a].top=s;w(l,s,t,i);if(D){k.x+=n+o.padding}else{k.y+=C}})}},handleEvent:function handleEvent(t){var e=this,a=e.options,o="mouseup"===t.type?"click":t.type,n=!1;if("mousemove"===o){if(!a.onHover){return}}else if("click"===o){if(!a.onClick){return}}else{return}var l=t.x,s=t.y;if(l>=e.left&&l<=e.right&&s>=e.top&&s<=e.bottom){for(var d=e.legendHitBoxes,c=0,h;c<d.length;++c){h=d[c];if(l>=h.left&&l<=h.left+h.width&&s>=h.top&&s<=h.top+h.height){if("click"===o){a.onClick.call(e,t.native,e.legendItems[c]);n=!0;break}else if("mousemove"===o){a.onHover.call(e,t.native,e.legendItems[c]);n=!0;break}}}}return n}});function s(a,o){var i=new e.Legend({ctx:a.ctx,options:o,chart:a});t.configure(a,i,o);t.addBox(a,i);a.legend=i}return{id:"legend",beforeInit:function beforeInit(e){var t=e.options.legend;if(t){s(e,t)}},beforeUpdate:function beforeUpdate(e){var o=e.options.legend,i=e.legend;if(o){n.mergeIf(o,a.global.legend);if(i){t.configure(e,i,o);i.options=o}else{s(e,o)}}else if(i){t.removeBox(e,i);delete e.legend}},afterEvent:function afterEvent(t,a){var e=t.legend;if(e){e.handleEvent(a)}}}}},{25:25,26:26,45:45}],51:[function(e,t){"use strict";var a=e(25),o=e(26),n=e(45);a._set("global",{title:{display:!1,fontStyle:"bold",fullWidth:!0,lineHeight:1.2,padding:10,position:"top",text:"",weight:2e3}});t.exports=function(e){var t=e.layoutService,i=n.noop;e.Title=o.extend({initialize:function initialize(e){var t=this;n.extend(t,e);t.legendHitBoxes=[]},beforeUpdate:i,update:function update(e,t,a){var o=this;o.beforeUpdate();o.maxWidth=e;o.maxHeight=t;o.margins=a;o.beforeSetDimensions();o.setDimensions();o.afterSetDimensions();o.beforeBuildLabels();o.buildLabels();o.afterBuildLabels();o.beforeFit();o.fit();o.afterFit();o.afterUpdate();return o.minSize},afterUpdate:i,beforeSetDimensions:i,setDimensions:function setDimensions(){var e=this;if(e.isHorizontal()){e.width=e.maxWidth;e.left=0;e.right=e.width}else{e.height=e.maxHeight;e.top=0;e.bottom=e.height}e.paddingLeft=0;e.paddingTop=0;e.paddingRight=0;e.paddingBottom=0;e.minSize={width:0,height:0}},afterSetDimensions:i,beforeBuildLabels:i,buildLabels:i,afterBuildLabels:i,beforeFit:i,fit:function fit(){var e=this,t=n.valueOrDefault,o=e.options,i=o.display,l=t(o.fontSize,a.global.defaultFontSize),s=e.minSize,d=n.isArray(o.text)?o.text.length:1,c=n.options.toLineHeight(o.lineHeight,l),h=i?d*c+2*o.padding:0;if(e.isHorizontal()){s.width=e.maxWidth;s.height=h}else{s.width=h;s.height=e.maxHeight}e.width=s.width;e.height=s.height},afterFit:i,isHorizontal:function isHorizontal(){var e=this.options.position;return"top"===e||"bottom"===e},draw:function draw(){var e=this,t=e.ctx,o=n.valueOrDefault,l=e.options,s=a.global;if(l.display){var d=o(l.fontSize,s.defaultFontSize),c=o(l.fontStyle,s.defaultFontStyle),h=o(l.fontFamily,s.defaultFontFamily),u=n.fontString(d,c,h),m=n.options.toLineHeight(l.lineHeight,d),p=m/2+l.padding,f=0,x=e.top,k=e.left,_=e.bottom,v=e.right,S,w,D;t.fillStyle=o(l.fontColor,s.defaultFontColor);t.font=u;if(e.isHorizontal()){w=k+(v-k)/2;D=x+p;S=v-k}else{w="left"===l.position?k+p:v-p;D=x+(_-x)/2;S=_-x;f=Math.PI*("left"===l.position?-.5:.5)}t.save();t.translate(w,D);t.rotate(f);t.textAlign="center";t.textBaseline="middle";var C=l.text;if(n.isArray(C)){for(var P=0,T=0;T<C.length;++T){t.fillText(C[T],0,P,S);P+=m}}else{t.fillText(C,0,0,S)}t.restore()}}});function l(a,o){var i=new e.Title({ctx:a.ctx,options:o,chart:a});t.configure(a,i,o);t.addBox(a,i);a.titleBlock=i}return{id:"title",beforeInit:function beforeInit(e){var t=e.options.title;if(t){l(e,t)}},beforeUpdate:function beforeUpdate(o){var i=o.options.title,s=o.titleBlock;if(i){n.mergeIf(i,a.global.title);if(s){t.configure(o,s,i);s.options=i}else{l(o,i)}}else if(s){e.layoutService.removeBox(o,s);delete o.titleBlock}}}}},{25:25,26:26,45:45}],52:[function(e,t){"use strict";t.exports=function(e){var t=e.Scale.extend({getLabels:function getLabels(){var e=this.chart.data;return this.options.labels||(this.isHorizontal()?e.xLabels:e.yLabels)||e.labels},determineDataLimits:function determineDataLimits(){var e=this,t=e.getLabels();e.minIndex=0;e.maxIndex=t.length-1;var a;if(e.options.ticks.min!==void 0){a=t.indexOf(e.options.ticks.min);e.minIndex=-1!==a?a:e.minIndex}if(e.options.ticks.max!==void 0){a=t.indexOf(e.options.ticks.max);e.maxIndex=-1!==a?a:e.maxIndex}e.min=t[e.minIndex];e.max=t[e.maxIndex]},buildTicks:function buildTicks(){var e=this,t=e.getLabels();e.ticks=0===e.minIndex&&e.maxIndex===t.length-1?t:t.slice(e.minIndex,e.maxIndex+1)},getLabelForIndex:function getLabelForIndex(e,t){var a=this,o=a.chart.data,i=a.isHorizontal();if(o.yLabels&&!i){return a.getRightValue(o.datasets[t].data[e])}return a.ticks[e-a.minIndex]},getPixelForValue:function getPixelForValue(e,t){var a=this,o=a.options.offset,i=Math.max(a.maxIndex+1-a.minIndex-(o?0:1),1),n;if(e!==void 0&&null!==e){n=a.isHorizontal()?e.x:e.y}if(n!==void 0||e!==void 0&&isNaN(t)){var l=a.getLabels();e=n||e;var s=l.indexOf(e);t=-1!==s?s:t}if(a.isHorizontal()){var d=a.width/i,c=d*(t-a.minIndex);if(o){c+=d/2}return a.left+Math.round(c)}var h=a.height/i,u=h*(t-a.minIndex);if(o){u+=h/2}return a.top+Math.round(u)},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.ticks[e],e+this.minIndex,null)},getValueForPixel:function getValueForPixel(e){var t=this,a=t.options.offset,o,i=Math.max(t._ticks.length-(a?0:1),1),n=t.isHorizontal(),l=(n?t.width:t.height)/i;e-=n?t.left:t.top;if(a){e-=l/2}if(0>=e){o=0}else{o=Math.round(e/l)}return o+t.minIndex},getBasePixel:function getBasePixel(){return this.bottom}});e.scaleService.registerScaleType("category",t,{position:"bottom"})}},{}],53:[function(e,t){"use strict";var a=e(25),o=e(45),i=e(34);t.exports=function(e){var t={position:"left",ticks:{callback:i.formatters.linear}},n=e.LinearScaleBase.extend({determineDataLimits:function determineDataLimits(){var e=this,t=e.options,a=e.chart,i=a.data,n=i.datasets,l=e.isHorizontal();function s(t){return l?t.xAxisID===e.id:t.yAxisID===e.id}e.min=null;e.max=null;var d=t.stacked;if(d===void 0){o.each(n,function(e,t){if(d){return}var o=a.getDatasetMeta(t);if(a.isDatasetVisible(t)&&s(o)&&o.stack!==void 0){d=!0}})}if(t.stacked||d){var c={};o.each(n,function(i,n){var l=a.getDatasetMeta(n),d=[l.type,t.stacked===void 0&&l.stack===void 0?n:"",l.stack].join(".");if(c[d]===void 0){c[d]={positiveValues:[],negativeValues:[]}}var h=c[d].positiveValues,u=c[d].negativeValues;if(a.isDatasetVisible(n)&&s(l)){o.each(i.data,function(a,o){var i=+e.getRightValue(a);if(isNaN(i)||l.data[o].hidden){return}h[o]=h[o]||0;u[o]=u[o]||0;if(t.relativePoints){h[o]=100}else if(0>i){u[o]+=i}else{h[o]+=i}})}});o.each(c,function(t){var a=t.positiveValues.concat(t.negativeValues),i=o.min(a),n=o.max(a);e.min=null===e.min?i:Math.min(e.min,i);e.max=null===e.max?n:Math.max(e.max,n)})}else{o.each(n,function(t,i){var n=a.getDatasetMeta(i);if(a.isDatasetVisible(i)&&s(n)){o.each(t.data,function(t,a){var o=+e.getRightValue(t);if(isNaN(o)||n.data[a].hidden){return}if(null===e.min){e.min=o}else if(o<e.min){e.min=o}if(null===e.max){e.max=o}else if(o>e.max){e.max=o}})}})}e.min=isFinite(e.min)&&!isNaN(e.min)?e.min:0;e.max=isFinite(e.max)&&!isNaN(e.max)?e.max:1;this.handleTickRangeOptions()},getTickLimit:function getTickLimit(){var e,t=this,i=t.options.ticks;if(t.isHorizontal()){e=Math.min(i.maxTicksLimit?i.maxTicksLimit:11,Math.ceil(t.width/50))}else{var n=o.valueOrDefault(i.fontSize,a.global.defaultFontSize);e=Math.min(i.maxTicksLimit?i.maxTicksLimit:11,Math.ceil(t.height/(2*n)))}return e},handleDirectionalChanges:function handleDirectionalChanges(){if(!this.isHorizontal()){this.ticks.reverse()}},getLabelForIndex:function getLabelForIndex(e,t){return+this.getRightValue(this.chart.data.datasets[t].data[e])},getPixelForValue:function getPixelForValue(e){var t=this,a=t.start,o=+t.getRightValue(e),i,n=t.end-a;if(t.isHorizontal()){i=t.left+t.width/n*(o-a);return Math.round(i)}i=t.bottom-t.height/n*(o-a);return Math.round(i)},getValueForPixel:function getValueForPixel(e){var t=this,a=t.isHorizontal(),o=a?t.width:t.height,i=(a?e-t.left:t.bottom-e)/o;return t.start+(t.end-t.start)*i},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.ticksAsNumbers[e])}});e.scaleService.registerScaleType("linear",n,t)}},{25:25,34:34,45:45}],54:[function(e,t){"use strict";var a=e(45),o=e(34);t.exports=function(e){var t=a.noop;e.LinearScaleBase=e.Scale.extend({getRightValue:function getRightValue(t){if("string"==typeof t){return+t}return e.Scale.prototype.getRightValue.call(this,t)},handleTickRangeOptions:function handleTickRangeOptions(){var e=this,t=e.options,o=t.ticks;if(o.beginAtZero){var i=a.sign(e.min),n=a.sign(e.max);if(0>i&&0>n){e.max=0}else if(0<i&&0<n){e.min=0}}var l=o.min!==void 0||o.suggestedMin!==void 0,s=o.max!==void 0||o.suggestedMax!==void 0;if(o.min!==void 0){e.min=o.min}else if(o.suggestedMin!==void 0){if(null===e.min){e.min=o.suggestedMin}else{e.min=Math.min(e.min,o.suggestedMin)}}if(o.max!==void 0){e.max=o.max}else if(o.suggestedMax!==void 0){if(null===e.max){e.max=o.suggestedMax}else{e.max=Math.max(e.max,o.suggestedMax)}}if(l!==s){if(e.min>=e.max){if(l){e.max=e.min+1}else{e.min=e.max-1}}}if(e.min===e.max){e.max++;if(!o.beginAtZero){e.min--}}},getTickLimit:t,handleDirectionalChanges:t,buildTicks:function buildTicks(){var e=this,t=e.options,i=t.ticks,n=e.getTickLimit();n=Math.max(2,n);var l={maxTicks:n,min:i.min,max:i.max,stepSize:a.valueOrDefault(i.fixedStepSize,i.stepSize)},s=e.ticks=o.generators.linear(l,e);e.handleDirectionalChanges();e.max=a.max(s);e.min=a.min(s);if(i.reverse){s.reverse();e.start=e.max;e.end=e.min}else{e.start=e.min;e.end=e.max}},convertTicksToLabels:function convertTicksToLabels(){var t=this;t.ticksAsNumbers=t.ticks.slice();t.zeroLineIndex=t.ticks.indexOf(0);e.Scale.prototype.convertTicksToLabels.call(t)}})}},{34:34,45:45}],55:[function(e,t){"use strict";var a=e(45),o=e(34);t.exports=function(e){var t={position:"left",ticks:{callback:o.formatters.logarithmic}},i=e.Scale.extend({determineDataLimits:function determineDataLimits(){var e=this,t=e.options,o=t.ticks,i=e.chart,n=i.data,l=n.datasets,s=a.valueOrDefault,d=e.isHorizontal();function c(t){return d?t.xAxisID===e.id:t.yAxisID===e.id}e.min=null;e.max=null;e.minNotZero=null;var h=t.stacked;if(h===void 0){a.each(l,function(e,t){if(h){return}var a=i.getDatasetMeta(t);if(i.isDatasetVisible(t)&&c(a)&&a.stack!==void 0){h=!0}})}if(t.stacked||h){var u={};a.each(l,function(o,n){var l=i.getDatasetMeta(n),s=[l.type,t.stacked===void 0&&l.stack===void 0?n:"",l.stack].join(".");if(i.isDatasetVisible(n)&&c(l)){if(u[s]===void 0){u[s]=[]}a.each(o.data,function(a,o){var i=u[s],n=+e.getRightValue(a);if(isNaN(n)||l.data[o].hidden){return}i[o]=i[o]||0;if(t.relativePoints){i[o]=100}else{i[o]+=n}})}});a.each(u,function(t){var o=a.min(t),i=a.max(t);e.min=null===e.min?o:Math.min(e.min,o);e.max=null===e.max?i:Math.max(e.max,i)})}else{a.each(l,function(t,o){var n=i.getDatasetMeta(o);if(i.isDatasetVisible(o)&&c(n)){a.each(t.data,function(t,a){var o=+e.getRightValue(t);if(isNaN(o)||n.data[a].hidden){return}if(null===e.min){e.min=o}else if(o<e.min){e.min=o}if(null===e.max){e.max=o}else if(o>e.max){e.max=o}if(0!=o&&(null===e.minNotZero||o<e.minNotZero)){e.minNotZero=o}})}})}e.min=s(o.min,e.min);e.max=s(o.max,e.max);if(e.min===e.max){if(0!==e.min&&null!==e.min){e.min=Math.pow(10,Math.floor(a.log10(e.min))-1);e.max=Math.pow(10,Math.floor(a.log10(e.max))+1)}else{e.min=1;e.max=10}}},buildTicks:function buildTicks(){var e=this,t=e.options,i=t.ticks,n={min:i.min,max:i.max},l=e.ticks=o.generators.logarithmic(n,e);if(!e.isHorizontal()){l.reverse()}e.max=a.max(l);e.min=a.min(l);if(i.reverse){l.reverse();e.start=e.max;e.end=e.min}else{e.start=e.min;e.end=e.max}},convertTicksToLabels:function convertTicksToLabels(){this.tickValues=this.ticks.slice();e.Scale.prototype.convertTicksToLabels.call(this)},getLabelForIndex:function getLabelForIndex(e,t){return+this.getRightValue(this.chart.data.datasets[t].data[e])},getPixelForTick:function getPixelForTick(e){return this.getPixelForValue(this.tickValues[e])},getPixelForValue:function getPixelForValue(e){var t=this,o=t.start,i=+t.getRightValue(e),n=t.options,l=n.ticks,s,d,c;if(t.isHorizontal()){c=a.log10(t.end)-a.log10(o);if(0===i){d=t.left}else{s=t.width;d=t.left+s/c*(a.log10(i)-a.log10(o))}}else{s=t.height;if(0===o&&!l.reverse){c=a.log10(t.end)-a.log10(t.minNotZero);if(i===o){d=t.bottom}else if(i===t.minNotZero){d=t.bottom-.02*s}else{d=t.bottom-.02*s-.98*s/c*(a.log10(i)-a.log10(t.minNotZero))}}else if(0===t.end&&l.reverse){c=a.log10(t.start)-a.log10(t.minNotZero);if(i===t.end){d=t.top}else if(i===t.minNotZero){d=t.top+.02*s}else{d=t.top+.02*s+.98*s/c*(a.log10(i)-a.log10(t.minNotZero))}}else if(0===i){d=l.reverse?t.top:t.bottom}else{c=a.log10(t.end)-a.log10(o);s=t.height;d=t.bottom-s/c*(a.log10(i)-a.log10(o))}}return d},getValueForPixel:function getValueForPixel(e){var t=this,o=a.log10(t.end)-a.log10(t.start),i,n;if(t.isHorizontal()){n=t.width;i=t.start*Math.pow(10,(e-t.left)*o/n)}else{n=t.height;i=Math.pow(10,(t.bottom-e)*o/n)/t.start}return i}});e.scaleService.registerScaleType("logarithmic",i,t)}},{34:34,45:45}],56:[function(e,t){"use strict";var a=e(25),o=e(45),i=e(34);t.exports=function(e){var t=a.global,n={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,color:"rgba(0, 0, 0, 0.1)",lineWidth:1},gridLines:{circular:!1},ticks:{showLabelBackdrop:!0,backdropColor:"rgba(255,255,255,0.75)",backdropPaddingY:2,backdropPaddingX:2,callback:i.formatters.linear},pointLabels:{display:!0,fontSize:10,callback:function callback(e){return e}}};function l(e){var t=e.options;return t.angleLines.display||t.pointLabels.display?e.chart.data.labels.length:0}function s(e){var a=e.options.pointLabels,i=o.valueOrDefault(a.fontSize,t.defaultFontSize),n=o.valueOrDefault(a.fontStyle,t.defaultFontStyle),l=o.valueOrDefault(a.fontFamily,t.defaultFontFamily),s=o.fontString(i,n,l);return{size:i,style:n,family:l,font:s}}function d(e,t,a){if(o.isArray(a)){return{w:o.longestText(e,e.font,a),h:a.length*t+1.5*(a.length-1)*t}}return{w:e.measureText(a).width,h:t}}function c(e,t,a,o,i){if(e===o||e===i){return{start:t-a/2,end:t+a/2}}else if(e<o||e>i){return{start:t-a-5,end:t}}return{start:t,end:t+a+5}}function h(e){var t=s(e),a=Math.min(e.height/2,e.width/2),n={r:e.width,l:0,t:e.height,b:0},h={},u,m,p;e.ctx.font=t.font;e._pointLabelSizes=[];var f=l(e);for(u=0;u<f;u++){p=e.getPointPosition(u,a);m=d(e.ctx,t.size,e.pointLabels[u]||"");e._pointLabelSizes[u]=m;var y=e.getIndexAngle(u),x=o.toDegrees(y)%360,k=c(x,p.x,m.w,0,180),_=c(x,p.y,m.h,90,270);if(k.start<n.l){n.l=k.start;h.l=y}if(k.end>n.r){n.r=k.end;h.r=y}if(_.start<n.t){n.t=_.start;h.t=y}if(_.end>n.b){n.b=_.end;h.b=y}}e.setReductions(a,n,h)}function u(e){var t=Math.min(e.height/2,e.width/2);e.drawingArea=Math.round(t);e.setCenterPoint(0,0,0,0)}function m(e){if(0===e||180===e){return"center"}else if(180>e){return"left"}return"right"}function p(e,t,a,n){if(o.isArray(t)){for(var l=a.y,s=0;s<t.length;++s){e.fillText(t[s],a.x,l);l+=1.5*n}}else{e.fillText(t,a.x,a.y)}}function f(e,t,a){if(90===e||270===e){a.y-=t.h/2}else if(270<e||90>e){a.y-=t.h}}function y(e){var a=e.ctx,n=o.valueOrDefault,d=e.options,c=d.angleLines,h=d.pointLabels;a.lineWidth=c.lineWidth;a.strokeStyle=c.color;var u=e.getDistanceFromCenterForValue(d.ticks.reverse?e.min:e.max),y=s(e);a.textBaseline="top";for(var x=l(e)-1;0<=x;x--){if(c.display){var k=e.getPointPosition(x,u);a.beginPath();a.moveTo(e.xCenter,e.yCenter);a.lineTo(k.x,k.y);a.stroke();a.closePath()}if(h.display){var _=e.getPointPosition(x,u+5),v=n(h.fontColor,t.defaultFontColor);a.font=y.font;a.fillStyle=v;var S=e.getIndexAngle(x),w=o.toDegrees(S);a.textAlign=m(w);f(w,e._pointLabelSizes[x],_);p(a,e.pointLabels[x]||"",_,y.size)}}}function x(e,t,a,n){var s=e.ctx;s.strokeStyle=o.valueAtIndexOrDefault(t.color,n-1);s.lineWidth=o.valueAtIndexOrDefault(t.lineWidth,n-1);if(e.options.gridLines.circular){s.beginPath();s.arc(e.xCenter,e.yCenter,a,0,2*Math.PI);s.closePath();s.stroke()}else{var d=l(e);if(0===d){return}s.beginPath();var c=e.getPointPosition(0,a);s.moveTo(c.x,c.y);for(var h=1;h<d;h++){c=e.getPointPosition(h,a);s.lineTo(c.x,c.y)}s.closePath();s.stroke()}}function k(e){return o.isNumber(e)?e:0}var _=e.LinearScaleBase.extend({setDimensions:function setDimensions(){var e=this,a=e.options,i=a.ticks;e.width=e.maxWidth;e.height=e.maxHeight;e.xCenter=Math.round(e.width/2);e.yCenter=Math.round(e.height/2);var n=o.min([e.height,e.width]),l=o.valueOrDefault(i.fontSize,t.defaultFontSize);e.drawingArea=a.display?n/2-(l/2+i.backdropPaddingY):n/2},determineDataLimits:function determineDataLimits(){var e=this,t=e.chart,a=Number.POSITIVE_INFINITY,i=Number.NEGATIVE_INFINITY;o.each(t.data.datasets,function(n,l){if(t.isDatasetVisible(l)){var s=t.getDatasetMeta(l);o.each(n.data,function(t,o){var n=+e.getRightValue(t);if(isNaN(n)||s.data[o].hidden){return}a=Math.min(n,a);i=Math.max(n,i)})}});e.min=a===Number.POSITIVE_INFINITY?0:a;e.max=i===Number.NEGATIVE_INFINITY?0:i;e.handleTickRangeOptions()},getTickLimit:function getTickLimit(){var e=this.options.ticks,a=o.valueOrDefault(e.fontSize,t.defaultFontSize);return Math.min(e.maxTicksLimit?e.maxTicksLimit:11,Math.ceil(this.drawingArea/(1.5*a)))},convertTicksToLabels:function convertTicksToLabels(){var t=this;e.LinearScaleBase.prototype.convertTicksToLabels.call(t);t.pointLabels=t.chart.data.labels.map(t.options.pointLabels.callback,t)},getLabelForIndex:function getLabelForIndex(e,t){return+this.getRightValue(this.chart.data.datasets[t].data[e])},fit:function fit(){if(this.options.pointLabels.display){h(this)}else{u(this)}},setReductions:function setReductions(e,t,a){var o=this,i=t.l/Math.sin(a.l),n=Math.max(t.r-o.width,0)/Math.sin(a.r),l=-t.t/Math.cos(a.t),s=-Math.max(t.b-o.height,0)/Math.cos(a.b);i=k(i);n=k(n);l=k(l);s=k(s);o.drawingArea=Math.min(Math.round(e-(i+n)/2),Math.round(e-(l+s)/2));o.setCenterPoint(i,n,l,s)},setCenterPoint:function setCenterPoint(e,t,a,o){var i=this,n=i.width-t-i.drawingArea,l=e+i.drawingArea,s=a+i.drawingArea,d=i.height-o-i.drawingArea;i.xCenter=Math.round((l+n)/2+i.left);i.yCenter=Math.round((s+d)/2+i.top)},getIndexAngle:function getIndexAngle(e){var t=2*Math.PI/l(this),a=this.chart.options&&this.chart.options.startAngle?this.chart.options.startAngle:0,o=2*(a*Math.PI)/360;return e*t+o},getDistanceFromCenterForValue:function getDistanceFromCenterForValue(e){var t=this;if(null===e){return 0}var a=t.drawingArea/(t.max-t.min);if(t.options.ticks.reverse){return(t.max-e)*a}return(e-t.min)*a},getPointPosition:function getPointPosition(e,t){var a=this,o=a.getIndexAngle(e)-Math.PI/2;return{x:Math.round(Math.cos(o)*t)+a.xCenter,y:Math.round(Math.sin(o)*t)+a.yCenter}},getPointPositionForValue:function getPointPositionForValue(e,t){return this.getPointPosition(e,this.getDistanceFromCenterForValue(t))},getBasePosition:function getBasePosition(){var e=this,t=e.min,a=e.max;return e.getPointPositionForValue(0,e.beginAtZero?0:0>t&&0>a?a:0<t&&0<a?t:0)},draw:function draw(){var e=this,a=e.options,i=a.gridLines,n=a.ticks,l=o.valueOrDefault;if(a.display){var s=e.ctx,d=this.getIndexAngle(0),c=l(n.fontSize,t.defaultFontSize),h=l(n.fontStyle,t.defaultFontStyle),u=l(n.fontFamily,t.defaultFontFamily),m=o.fontString(c,h,u);o.each(e.ticks,function(a,o){if(0<o||n.reverse){var h=e.getDistanceFromCenterForValue(e.ticksAsNumbers[o]);if(i.display&&0!==o){x(e,i,h,o)}if(n.display){var u=l(n.fontColor,t.defaultFontColor);s.font=m;s.save();s.translate(e.xCenter,e.yCenter);s.rotate(d);if(n.showLabelBackdrop){var p=s.measureText(a).width;s.fillStyle=n.backdropColor;s.fillRect(-p/2-n.backdropPaddingX,-h-c/2-n.backdropPaddingY,p+2*n.backdropPaddingX,c+2*n.backdropPaddingY)}s.textAlign="center";s.textBaseline="middle";s.fillStyle=u;s.fillText(a,0,-h);s.restore()}}});if(a.angleLines.display||a.pointLabels.display){y(e)}}}});e.scaleService.registerScaleType("radialLinear",_,n)}},{25:25,34:34,45:45}],57:[function(e,t){"use strict";var a=e(6);a="function"==typeof a?a:window.moment;var 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n=c.length,l,h,u;for(l=c.indexOf(e);l<n-1;++l){h=d[c[l]];u=h.steps?h.steps[h.steps.length-1]:s;if(Math.ceil((a-t)/(u*h.size))<=o){return c[l]}}return c[n-1]}function v(e){for(var t=c.indexOf(e)+1,a=c.length;t<a;++t){if(d[c[t]].major){return c[t]}}}function S(e,t,o,i,l,s){var c=s.time,h=n.valueOrDefault(c.stepSize,c.unitStepSize),u="week"===o?c.isoWeekday:!1,m=s.ticks.major.enabled,p=d[o],f=a(e),y=a(t),x=[],_;if(!h){h=k(e,t,o,l)}if(u){f=f.isoWeekday(u);y=y.isoWeekday(u)}f=f.startOf(u?"day":o);y=y.startOf(u?"day":o);if(y<t){y.add(1,o)}_=a(f);if(m&&i&&!u&&!c.round){_.startOf(i);_.add(~~((f-_)/(p.size*h))*h,o)}for(;_<y;_.add(h,o)){x.push(+_)}x.push(+_);return x}function w(e,t,a,o,i){var n=0,l=0,s,d;if(i.offset&&t.length){if(!i.time.min){s=1<t.length?t[1]:o;d=t[0];n=(f(e,"time",s,"pos")-f(e,"time",d,"pos"))/2}if(!i.time.max){s=t[t.length-1];d=1<t.length?t[t.length-2]:a;l=(f(e,"time",s,"pos")-f(e,"time",d,"pos"))/2}}return{left:n,right:l}}function D(e,t){var o=[],n,l,s,d;for(n=0,l=e.length;n<l;++n){s=e[n];d=t?s===+a(s).startOf(t):!1;o.push({value:s,major:d})}return o}t.exports=function(e){var t=e.Scale.extend({initialize:function initialize(){if(!a){throw new Error("Chart.js - Moment.js could not be found! 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+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}!function(f){if("object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module)module.exports=f();else if("function"==typeof define&&define.amd)define("core/chartjs-lazy",[],f);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).Chart=f()}}((function(){return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a="function"==typeof require&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,(function(e){var n=t[o][1][e];return s(n||e)}),l,l.exports,e,t,n,r)}return n[o].exports}for(var i="function"==typeof require&&require,o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var colorNames=require(5);function getRgba(string){if(string){var rgb=[0,0,0],a=1,match=string.match(/^#([a-fA-F0-9]{3})$/i);if(match){match=match[1];for(var i=0;i<rgb.length;i++)rgb[i]=parseInt(match[i]+match[i],16)}else if(match=string.match(/^#([a-fA-F0-9]{6})$/i)){match=match[1];for(i=0;i<rgb.length;i++)rgb[i]=parseInt(match.slice(2*i,2*i+2),16)}else if(match=string.match(/^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i)){for(i=0;i<rgb.length;i++)rgb[i]=parseInt(match[i+1]);a=parseFloat(match[4])}else if(match=string.match(/^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i)){for(i=0;i<rgb.length;i++)rgb[i]=Math.round(2.55*parseFloat(match[i+1]));a=parseFloat(match[4])}else if(match=string.match(/(\w+)/)){if("transparent"==match[1])return[0,0,0,0];if(!(rgb=colorNames[match[1]]))return}for(i=0;i<rgb.length;i++)rgb[i]=scale(rgb[i],0,255);return a=a||0==a?scale(a,0,1):1,rgb[3]=a,rgb}}function getHsla(string){if(string){var match=string.match(/^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/);if(match){var alpha=parseFloat(match[4]);return[scale(parseInt(match[1]),0,360),scale(parseFloat(match[2]),0,100),scale(parseFloat(match[3]),0,100),scale(isNaN(alpha)?1:alpha,0,1)]}}}function getHwb(string){if(string){var match=string.match(/^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/);if(match){var alpha=parseFloat(match[4]);return[scale(parseInt(match[1]),0,360),scale(parseFloat(match[2]),0,100),scale(parseFloat(match[3]),0,100),scale(isNaN(alpha)?1:alpha,0,1)]}}}function rgbaString(rgba,alpha){return void 0===alpha&&(alpha=void 0!==rgba[3]?rgba[3]:1),"rgba("+rgba[0]+", "+rgba[1]+", "+rgba[2]+", "+alpha+")"}function percentaString(rgba,alpha){return"rgba("+Math.round(rgba[0]/255*100)+"%, "+Math.round(rgba[1]/255*100)+"%, "+Math.round(rgba[2]/255*100)+"%, "+(alpha||rgba[3]||1)+")"}function hslaString(hsla,alpha){return void 0===alpha&&(alpha=void 0!==hsla[3]?hsla[3]:1),"hsla("+hsla[0]+", "+hsla[1]+"%, "+hsla[2]+"%, "+alpha+")"}function scale(num,min,max){return Math.min(Math.max(min,num),max)}function hexDouble(num){var str=num.toString(16).toUpperCase();return str.length<2?"0"+str:str}module.exports={getRgba:getRgba,getHsla:getHsla,getRgb:function(string){var rgba=getRgba(string);return rgba&&rgba.slice(0,3)},getHsl:function(string){var hsla=getHsla(string);return hsla&&hsla.slice(0,3)},getHwb:getHwb,getAlpha:function(string){var vals=getRgba(string);if(vals)return vals[3];if(vals=getHsla(string))return vals[3];if(vals=getHwb(string))return vals[3]},hexString:function(rgb){return"#"+hexDouble(rgb[0])+hexDouble(rgb[1])+hexDouble(rgb[2])},rgbString:function(rgba,alpha){if(alpha<1||rgba[3]&&rgba[3]<1)return rgbaString(rgba,alpha);return"rgb("+rgba[0]+", "+rgba[1]+", "+rgba[2]+")"},rgbaString:rgbaString,percentString:function(rgba,alpha){if(alpha<1||rgba[3]&&rgba[3]<1)return percentaString(rgba,alpha);var r=Math.round(rgba[0]/255*100),g=Math.round(rgba[1]/255*100),b=Math.round(rgba[2]/255*100);return"rgb("+r+"%, "+g+"%, "+b+"%)"},percentaString:percentaString,hslString:function(hsla,alpha){if(alpha<1||hsla[3]&&hsla[3]<1)return hslaString(hsla,alpha);return"hsl("+hsla[0]+", "+hsla[1]+"%, "+hsla[2]+"%)"},hslaString:hslaString,hwbString:function(hwb,alpha){void 0===alpha&&(alpha=void 0!==hwb[3]?hwb[3]:1);return"hwb("+hwb[0]+", "+hwb[1]+"%, "+hwb[2]+"%"+(void 0!==alpha&&1!==alpha?", "+alpha:"")+")"},keyword:function(rgb){return reverseNames[rgb.slice(0,3)]}};var reverseNames={};for(var name in colorNames)reverseNames[colorNames[name]]=name},{5:5}],2:[function(require,module,exports){var convert=require(4),string=require(1),Color=function Color(obj){return obj instanceof Color?obj:this instanceof Color?(this.valid=!1,this.values={rgb:[0,0,0],hsl:[0,0,0],hsv:[0,0,0],hwb:[0,0,0],cmyk:[0,0,0,0],alpha:1},void("string"==typeof obj?(vals=string.getRgba(obj))?this.setValues("rgb",vals):(vals=string.getHsla(obj))?this.setValues("hsl",vals):(vals=string.getHwb(obj))&&this.setValues("hwb",vals):"object"===_typeof(obj)&&(void 0!==(vals=obj).r||void 0!==vals.red?this.setValues("rgb",vals):void 0!==vals.l||void 0!==vals.lightness?this.setValues("hsl",vals):void 0!==vals.v||void 0!==vals.value?this.setValues("hsv",vals):void 0!==vals.w||void 0!==vals.whiteness?this.setValues("hwb",vals):void 0===vals.c&&void 0===vals.cyan||this.setValues("cmyk",vals)))):new Color(obj);var vals};(Color.prototype={isValid:function(){return this.valid},rgb:function(){return this.setSpace("rgb",arguments)},hsl:function(){return this.setSpace("hsl",arguments)},hsv:function(){return this.setSpace("hsv",arguments)},hwb:function(){return this.setSpace("hwb",arguments)},cmyk:function(){return this.setSpace("cmyk",arguments)},rgbArray:function(){return this.values.rgb},hslArray:function(){return this.values.hsl},hsvArray:function(){return this.values.hsv},hwbArray:function(){var values=this.values;return 1!==values.alpha?values.hwb.concat([values.alpha]):values.hwb},cmykArray:function(){return this.values.cmyk},rgbaArray:function(){var values=this.values;return values.rgb.concat([values.alpha])},hslaArray:function(){var values=this.values;return values.hsl.concat([values.alpha])},alpha:function(val){return void 0===val?this.values.alpha:(this.setValues("alpha",val),this)},red:function(val){return this.setChannel("rgb",0,val)},green:function(val){return this.setChannel("rgb",1,val)},blue:function(val){return this.setChannel("rgb",2,val)},hue:function(val){return val&&(val=(val%=360)<0?360+val:val),this.setChannel("hsl",0,val)},saturation:function(val){return this.setChannel("hsl",1,val)},lightness:function(val){return this.setChannel("hsl",2,val)},saturationv:function(val){return this.setChannel("hsv",1,val)},whiteness:function(val){return this.setChannel("hwb",1,val)},blackness:function(val){return this.setChannel("hwb",2,val)},value:function(val){return this.setChannel("hsv",2,val)},cyan:function(val){return this.setChannel("cmyk",0,val)},magenta:function(val){return this.setChannel("cmyk",1,val)},yellow:function(val){return this.setChannel("cmyk",2,val)},black:function(val){return this.setChannel("cmyk",3,val)},hexString:function(){return string.hexString(this.values.rgb)},rgbString:function(){return string.rgbString(this.values.rgb,this.values.alpha)},rgbaString:function(){return string.rgbaString(this.values.rgb,this.values.alpha)},percentString:function(){return string.percentString(this.values.rgb,this.values.alpha)},hslString:function(){return string.hslString(this.values.hsl,this.values.alpha)},hslaString:function(){return string.hslaString(this.values.hsl,this.values.alpha)},hwbString:function(){return string.hwbString(this.values.hwb,this.values.alpha)},keyword:function(){return string.keyword(this.values.rgb,this.values.alpha)},rgbNumber:function(){var rgb=this.values.rgb;return rgb[0]<<16|rgb[1]<<8|rgb[2]},luminosity:function(){for(var rgb=this.values.rgb,lum=[],i=0;i<rgb.length;i++){var chan=rgb[i]/255;lum[i]=chan<=.03928?chan/12.92:Math.pow((chan+.055)/1.055,2.4)}return.2126*lum[0]+.7152*lum[1]+.0722*lum[2]},contrast:function(color2){var lum1=this.luminosity(),lum2=color2.luminosity();return lum1>lum2?(lum1+.05)/(lum2+.05):(lum2+.05)/(lum1+.05)},level:function(color2){var contrastRatio=this.contrast(color2);return contrastRatio>=7.1?"AAA":contrastRatio>=4.5?"AA":""},dark:function(){var rgb=this.values.rgb;return(299*rgb[0]+587*rgb[1]+114*rgb[2])/1e3<128},light:function(){return!this.dark()},negate:function(){for(var rgb=[],i=0;i<3;i++)rgb[i]=255-this.values.rgb[i];return this.setValues("rgb",rgb),this},lighten:function(ratio){var hsl=this.values.hsl;return hsl[2]+=hsl[2]*ratio,this.setValues("hsl",hsl),this},darken:function(ratio){var hsl=this.values.hsl;return hsl[2]-=hsl[2]*ratio,this.setValues("hsl",hsl),this},saturate:function(ratio){var hsl=this.values.hsl;return hsl[1]+=hsl[1]*ratio,this.setValues("hsl",hsl),this},desaturate:function(ratio){var hsl=this.values.hsl;return hsl[1]-=hsl[1]*ratio,this.setValues("hsl",hsl),this},whiten:function(ratio){var hwb=this.values.hwb;return hwb[1]+=hwb[1]*ratio,this.setValues("hwb",hwb),this},blacken:function(ratio){var hwb=this.values.hwb;return hwb[2]+=hwb[2]*ratio,this.setValues("hwb",hwb),this},greyscale:function(){var rgb=this.values.rgb,val=.3*rgb[0]+.59*rgb[1]+.11*rgb[2];return this.setValues("rgb",[val,val,val]),this},clearer:function(ratio){var alpha=this.values.alpha;return this.setValues("alpha",alpha-alpha*ratio),this},opaquer:function(ratio){var alpha=this.values.alpha;return this.setValues("alpha",alpha+alpha*ratio),this},rotate:function(degrees){var hsl=this.values.hsl,hue=(hsl[0]+degrees)%360;return hsl[0]=hue<0?360+hue:hue,this.setValues("hsl",hsl),this},mix:function(mixinColor,weight){var color2=mixinColor,p=void 0===weight?.5:weight,w=2*p-1,a=this.alpha()-color2.alpha(),w1=((w*a==-1?w:(w+a)/(1+w*a))+1)/2,w2=1-w1;return this.rgb(w1*this.red()+w2*color2.red(),w1*this.green()+w2*color2.green(),w1*this.blue()+w2*color2.blue()).alpha(this.alpha()*p+color2.alpha()*(1-p))},toJSON:function(){return this.rgb()},clone:function(){var value,type,result=new Color,source=this.values,target=result.values;for(var prop in source)source.hasOwnProperty(prop)&&(value=source[prop],"[object Array]"===(type={}.toString.call(value))?target[prop]=value.slice(0):"[object Number]"===type?target[prop]=value:console.error("unexpected color value:",value));return result}}).spaces={rgb:["red","green","blue"],hsl:["hue","saturation","lightness"],hsv:["hue","saturation","value"],hwb:["hue","whiteness","blackness"],cmyk:["cyan","magenta","yellow","black"]},Color.prototype.maxes={rgb:[255,255,255],hsl:[360,100,100],hsv:[360,100,100],hwb:[360,100,100],cmyk:[100,100,100,100]},Color.prototype.getValues=function(space){for(var values=this.values,vals={},i=0;i<space.length;i++)vals[space.charAt(i)]=values[space][i];return 1!==values.alpha&&(vals.a=values.alpha),vals},Color.prototype.setValues=function(space,vals){var i,capped,values=this.values,spaces=this.spaces,maxes=this.maxes,alpha=1;if(this.valid=!0,"alpha"===space)alpha=vals;else if(vals.length)values[space]=vals.slice(0,space.length),alpha=vals[space.length];else if(void 0!==vals[space.charAt(0)]){for(i=0;i<space.length;i++)values[space][i]=vals[space.charAt(i)];alpha=vals.a}else if(void 0!==vals[spaces[space][0]]){var chans=spaces[space];for(i=0;i<space.length;i++)values[space][i]=vals[chans[i]];alpha=vals.alpha}if(values.alpha=Math.max(0,Math.min(1,void 0===alpha?values.alpha:alpha)),"alpha"===space)return!1;for(i=0;i<space.length;i++)capped=Math.max(0,Math.min(maxes[space][i],values[space][i])),values[space][i]=Math.round(capped);for(var sname in spaces)sname!==space&&(values[sname]=convert[space][sname](values[space]));return!0},Color.prototype.setSpace=function(space,args){var vals=args[0];return void 0===vals?this.getValues(space):("number"==typeof vals&&(vals=Array.prototype.slice.call(args)),this.setValues(space,vals),this)},Color.prototype.setChannel=function(space,index,val){var svalues=this.values[space];return void 0===val?svalues[index]:(val===svalues[index]||(svalues[index]=val,this.setValues(space,svalues)),this)},"undefined"!=typeof window&&(window.Color=Color),module.exports=Color},{1:1,4:4}],3:[function(require,module,exports){function rgb2hsl(rgb){var h,l,r=rgb[0]/255,g=rgb[1]/255,b=rgb[2]/255,min=Math.min(r,g,b),max=Math.max(r,g,b),delta=max-min;return max==min?h=0:r==max?h=(g-b)/delta:g==max?h=2+(b-r)/delta:b==max&&(h=4+(r-g)/delta),(h=Math.min(60*h,360))<0&&(h+=360),l=(min+max)/2,[h,100*(max==min?0:l<=.5?delta/(max+min):delta/(2-max-min)),100*l]}function rgb2hsv(rgb){var h,s,r=rgb[0],g=rgb[1],b=rgb[2],min=Math.min(r,g,b),max=Math.max(r,g,b),delta=max-min;return s=0==max?0:delta/max*1e3/10,max==min?h=0:r==max?h=(g-b)/delta:g==max?h=2+(b-r)/delta:b==max&&(h=4+(r-g)/delta),(h=Math.min(60*h,360))<0&&(h+=360),[h,s,max/255*1e3/10]}function rgb2hwb(rgb){var r=rgb[0],g=rgb[1],b=rgb[2];return[rgb2hsl(rgb)[0],100*(1/255*Math.min(r,Math.min(g,b))),100*(b=1-1/255*Math.max(r,Math.max(g,b)))]}function rgb2cmyk(rgb){var k,r=rgb[0]/255,g=rgb[1]/255,b=rgb[2]/255;return[100*((1-r-(k=Math.min(1-r,1-g,1-b)))/(1-k)||0),100*((1-g-k)/(1-k)||0),100*((1-b-k)/(1-k)||0),100*k]}function rgb2keyword(rgb){return reverseKeywords[JSON.stringify(rgb)]}function rgb2xyz(rgb){var r=rgb[0]/255,g=rgb[1]/255,b=rgb[2]/255;return[100*(.4124*(r=r>.04045?Math.pow((r+.055)/1.055,2.4):r/12.92)+.3576*(g=g>.04045?Math.pow((g+.055)/1.055,2.4):g/12.92)+.1805*(b=b>.04045?Math.pow((b+.055)/1.055,2.4):b/12.92)),100*(.2126*r+.7152*g+.0722*b),100*(.0193*r+.1192*g+.9505*b)]}function rgb2lab(rgb){var xyz=rgb2xyz(rgb),x=xyz[0],y=xyz[1],z=xyz[2];return y/=100,z/=108.883,x=(x/=95.047)>.008856?Math.pow(x,1/3):7.787*x+16/116,[116*(y=y>.008856?Math.pow(y,1/3):7.787*y+16/116)-16,500*(x-y),200*(y-(z=z>.008856?Math.pow(z,1/3):7.787*z+16/116))]}function hsl2rgb(hsl){var t1,t2,t3,rgb,val,h=hsl[0]/360,s=hsl[1]/100,l=hsl[2]/100;if(0==s)return[val=255*l,val,val];t1=2*l-(t2=l<.5?l*(1+s):l+s-l*s),rgb=[0,0,0];for(var i=0;i<3;i++)(t3=h+1/3*-(i-1))<0&&t3++,t3>1&&t3--,val=6*t3<1?t1+6*(t2-t1)*t3:2*t3<1?t2:3*t3<2?t1+(t2-t1)*(2/3-t3)*6:t1,rgb[i]=255*val;return rgb}function hsv2rgb(hsv){var h=hsv[0]/60,s=hsv[1]/100,v=hsv[2]/100,hi=Math.floor(h)%6,f=h-Math.floor(h),p=255*v*(1-s),q=255*v*(1-s*f),t=255*v*(1-s*(1-f));v*=255;switch(hi){case 0:return[v,t,p];case 1:return[q,v,p];case 2:return[p,v,t];case 3:return[p,q,v];case 4:return[t,p,v];case 5:return[v,p,q]}}function hwb2rgb(hwb){var i,v,f,n,h=hwb[0]/360,wh=hwb[1]/100,bl=hwb[2]/100,ratio=wh+bl;switch(ratio>1&&(wh/=ratio,bl/=ratio),f=6*h-(i=Math.floor(6*h)),0!=(1&i)&&(f=1-f),n=wh+f*((v=1-bl)-wh),i){default:case 6:case 0:r=v,g=n,b=wh;break;case 1:r=n,g=v,b=wh;break;case 2:r=wh,g=v,b=n;break;case 3:r=wh,g=n,b=v;break;case 4:r=n,g=wh,b=v;break;case 5:r=v,g=wh,b=n}return[255*r,255*g,255*b]}function cmyk2rgb(cmyk){var c=cmyk[0]/100,m=cmyk[1]/100,y=cmyk[2]/100,k=cmyk[3]/100;return[255*(1-Math.min(1,c*(1-k)+k)),255*(1-Math.min(1,m*(1-k)+k)),255*(1-Math.min(1,y*(1-k)+k))]}function xyz2rgb(xyz){var r,g,b,x=xyz[0]/100,y=xyz[1]/100,z=xyz[2]/100;return g=-.9689*x+1.8758*y+.0415*z,b=.0557*x+-.204*y+1.057*z,r=(r=3.2406*x+-1.5372*y+-.4986*z)>.0031308?1.055*Math.pow(r,1/2.4)-.055:r*=12.92,g=g>.0031308?1.055*Math.pow(g,1/2.4)-.055:g*=12.92,b=b>.0031308?1.055*Math.pow(b,1/2.4)-.055:b*=12.92,[255*(r=Math.min(Math.max(0,r),1)),255*(g=Math.min(Math.max(0,g),1)),255*(b=Math.min(Math.max(0,b),1))]}function xyz2lab(xyz){var x=xyz[0],y=xyz[1],z=xyz[2];return y/=100,z/=108.883,x=(x/=95.047)>.008856?Math.pow(x,1/3):7.787*x+16/116,[116*(y=y>.008856?Math.pow(y,1/3):7.787*y+16/116)-16,500*(x-y),200*(y-(z=z>.008856?Math.pow(z,1/3):7.787*z+16/116))]}function lab2xyz(lab){var x,y,z,y2,l=lab[0],a=lab[1],b=lab[2];return l<=8?y2=(y=100*l/903.3)/100*7.787+16/116:(y=100*Math.pow((l+16)/116,3),y2=Math.pow(y/100,1/3)),[x=x/95.047<=.008856?x=95.047*(a/500+y2-16/116)/7.787:95.047*Math.pow(a/500+y2,3),y,z=z/108.883<=.008859?z=108.883*(y2-b/200-16/116)/7.787:108.883*Math.pow(y2-b/200,3)]}function lab2lch(lab){var h,l=lab[0],a=lab[1],b=lab[2];return(h=360*Math.atan2(b,a)/2/Math.PI)<0&&(h+=360),[l,Math.sqrt(a*a+b*b),h]}function lab2rgb(args){return xyz2rgb(lab2xyz(args))}function lch2lab(lch){var hr,l=lch[0],c=lch[1];return hr=lch[2]/360*2*Math.PI,[l,c*Math.cos(hr),c*Math.sin(hr)]}function keyword2rgb(keyword){return cssKeywords[keyword]}module.exports={rgb2hsl:rgb2hsl,rgb2hsv:rgb2hsv,rgb2hwb:rgb2hwb,rgb2cmyk:rgb2cmyk,rgb2keyword:rgb2keyword,rgb2xyz:rgb2xyz,rgb2lab:rgb2lab,rgb2lch:function(args){return lab2lch(rgb2lab(args))},hsl2rgb:hsl2rgb,hsl2hsv:function(hsl){var h=hsl[0],s=hsl[1]/100,l=hsl[2]/100;if(0===l)return[0,0,0];return[h,100*(2*(s*=(l*=2)<=1?l:2-l)/(l+s)),100*((l+s)/2)]},hsl2hwb:function(args){return rgb2hwb(hsl2rgb(args))},hsl2cmyk:function(args){return rgb2cmyk(hsl2rgb(args))},hsl2keyword:function(args){return rgb2keyword(hsl2rgb(args))},hsv2rgb:hsv2rgb,hsv2hsl:function(hsv){var sl,l,h=hsv[0],s=hsv[1]/100,v=hsv[2]/100;return sl=s*v,[h,100*(sl=(sl/=(l=(2-s)*v)<=1?l:2-l)||0),100*(l/=2)]},hsv2hwb:function(args){return rgb2hwb(hsv2rgb(args))},hsv2cmyk:function(args){return rgb2cmyk(hsv2rgb(args))},hsv2keyword:function(args){return rgb2keyword(hsv2rgb(args))},hwb2rgb:hwb2rgb,hwb2hsl:function(args){return rgb2hsl(hwb2rgb(args))},hwb2hsv:function(args){return rgb2hsv(hwb2rgb(args))},hwb2cmyk:function(args){return rgb2cmyk(hwb2rgb(args))},hwb2keyword:function(args){return rgb2keyword(hwb2rgb(args))},cmyk2rgb:cmyk2rgb,cmyk2hsl:function(args){return rgb2hsl(cmyk2rgb(args))},cmyk2hsv:function(args){return rgb2hsv(cmyk2rgb(args))},cmyk2hwb:function(args){return rgb2hwb(cmyk2rgb(args))},cmyk2keyword:function(args){return rgb2keyword(cmyk2rgb(args))},keyword2rgb:keyword2rgb,keyword2hsl:function(args){return rgb2hsl(keyword2rgb(args))},keyword2hsv:function(args){return rgb2hsv(keyword2rgb(args))},keyword2hwb:function(args){return rgb2hwb(keyword2rgb(args))},keyword2cmyk:function(args){return rgb2cmyk(keyword2rgb(args))},keyword2lab:function(args){return rgb2lab(keyword2rgb(args))},keyword2xyz:function(args){return rgb2xyz(keyword2rgb(args))},xyz2rgb:xyz2rgb,xyz2lab:xyz2lab,xyz2lch:function(args){return lab2lch(xyz2lab(args))},lab2xyz:lab2xyz,lab2rgb:lab2rgb,lab2lch:lab2lch,lch2lab:lch2lab,lch2xyz:function(args){return lab2xyz(lch2lab(args))},lch2rgb:function(args){return lab2rgb(lch2lab(args))}};var cssKeywords={aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategray:[47,79,79],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],grey:[128,128,128],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],rebeccapurple:[102,51,153],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50]},reverseKeywords={};for(var key in cssKeywords)reverseKeywords[JSON.stringify(cssKeywords[key])]=key},{}],4:[function(require,module,exports){var conversions=require(3),convert=function(){return new Converter};for(var func in conversions){convert[func+"Raw"]=function(func){return function(arg){return"number"==typeof arg&&(arg=Array.prototype.slice.call(arguments)),conversions[func](arg)}}(func);var pair=/(\w+)2(\w+)/.exec(func),from=pair[1],to=pair[2];(convert[from]=convert[from]||{})[to]=convert[func]=function(func){return function(arg){"number"==typeof arg&&(arg=Array.prototype.slice.call(arguments));var val=conversions[func](arg);if("string"==typeof val||void 0===val)return val;for(var i=0;i<val.length;i++)val[i]=Math.round(val[i]);return val}}(func)}var Converter=function(){this.convs={}};Converter.prototype.routeSpace=function(space,args){var values=args[0];return void 0===values?this.getValues(space):("number"==typeof values&&(values=Array.prototype.slice.call(args)),this.setValues(space,values))},Converter.prototype.setValues=function(space,values){return this.space=space,this.convs={},this.convs[space]=values,this},Converter.prototype.getValues=function(space){var vals=this.convs[space];if(!vals){var fspace=this.space,from=this.convs[fspace];vals=convert[fspace][space](from),this.convs[space]=vals}return vals},["rgb","hsl","hsv","cmyk","keyword"].forEach((function(space){Converter.prototype[space]=function(vals){return this.routeSpace(space,arguments)}})),module.exports=convert},{3:3}],5:[function(require,module,exports){module.exports={aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategray:[47,79,79],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],grey:[128,128,128],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],rebeccapurple:[102,51,153],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50]}},{}],6:[function(require,module,exports){!function(global,factory){"object"===_typeof(exports)&&void 0!==module?module.exports=factory():global.moment=factory()}(this,(function(){var hookCallback;function hooks(){return hookCallback.apply(null,arguments)}function isArray(input){return input instanceof Array||"[object Array]"===Object.prototype.toString.call(input)}function isObject(input){return null!=input&&"[object Object]"===Object.prototype.toString.call(input)}function isUndefined(input){return void 0===input}function isNumber(input){return"number"==typeof input||"[object Number]"===Object.prototype.toString.call(input)}function isDate(input){return input instanceof Date||"[object Date]"===Object.prototype.toString.call(input)}function map(arr,fn){var i,res=[];for(i=0;i<arr.length;++i)res.push(fn(arr[i],i));return res}function hasOwnProp(a,b){return Object.prototype.hasOwnProperty.call(a,b)}function extend(a,b){for(var i in b)hasOwnProp(b,i)&&(a[i]=b[i]);return hasOwnProp(b,"toString")&&(a.toString=b.toString),hasOwnProp(b,"valueOf")&&(a.valueOf=b.valueOf),a}function createUTC(input,format,locale,strict){return createLocalOrUTC(input,format,locale,strict,!0).utc()}function getParsingFlags(m){return null==m._pf&&(m._pf={empty:!1,unusedTokens:[],unusedInput:[],overflow:-2,charsLeftOver:0,nullInput:!1,invalidMonth:null,invalidFormat:!1,userInvalidated:!1,iso:!1,parsedDateParts:[],meridiem:null,rfc2822:!1,weekdayMismatch:!1}),m._pf}var some$1=Array.prototype.some?Array.prototype.some:function(fun){for(var t=Object(this),len=t.length>>>0,i=0;i<len;i++)if(i in t&&fun.call(this,t[i],i,t))return!0;return!1};function isValid(m){if(null==m._isValid){var flags=getParsingFlags(m),parsedParts=some$1.call(flags.parsedDateParts,(function(i){return null!=i})),isNowValid=!isNaN(m._d.getTime())&&flags.overflow<0&&!flags.empty&&!flags.invalidMonth&&!flags.invalidWeekday&&!flags.nullInput&&!flags.invalidFormat&&!flags.userInvalidated&&(!flags.meridiem||flags.meridiem&&parsedParts);if(m._strict&&(isNowValid=isNowValid&&0===flags.charsLeftOver&&0===flags.unusedTokens.length&&void 0===flags.bigHour),null!=Object.isFrozen&&Object.isFrozen(m))return isNowValid;m._isValid=isNowValid}return m._isValid}function createInvalid(flags){var m=createUTC(NaN);return null!=flags?extend(getParsingFlags(m),flags):getParsingFlags(m).userInvalidated=!0,m}var momentProperties=hooks.momentProperties=[];function copyConfig(to,from){var i,prop,val;if(isUndefined(from._isAMomentObject)||(to._isAMomentObject=from._isAMomentObject),isUndefined(from._i)||(to._i=from._i),isUndefined(from._f)||(to._f=from._f),isUndefined(from._l)||(to._l=from._l),isUndefined(from._strict)||(to._strict=from._strict),isUndefined(from._tzm)||(to._tzm=from._tzm),isUndefined(from._isUTC)||(to._isUTC=from._isUTC),isUndefined(from._offset)||(to._offset=from._offset),isUndefined(from._pf)||(to._pf=getParsingFlags(from)),isUndefined(from._locale)||(to._locale=from._locale),momentProperties.length>0)for(i=0;i<momentProperties.length;i++)isUndefined(val=from[prop=momentProperties[i]])||(to[prop]=val);return to}var updateInProgress=!1;function Moment(config){copyConfig(this,config),this._d=new Date(null!=config._d?config._d.getTime():NaN),this.isValid()||(this._d=new Date(NaN)),!1===updateInProgress&&(updateInProgress=!0,hooks.updateOffset(this),updateInProgress=!1)}function isMoment(obj){return obj instanceof Moment||null!=obj&&null!=obj._isAMomentObject}function absFloor(number){return number<0?Math.ceil(number)||0:Math.floor(number)}function toInt(argumentForCoercion){var coercedNumber=+argumentForCoercion,value=0;return 0!==coercedNumber&&isFinite(coercedNumber)&&(value=absFloor(coercedNumber)),value}function compareArrays(array1,array2,dontConvert){var i,len=Math.min(array1.length,array2.length),lengthDiff=Math.abs(array1.length-array2.length),diffs=0;for(i=0;i<len;i++)(dontConvert&&array1[i]!==array2[i]||!dontConvert&&toInt(array1[i])!==toInt(array2[i]))&&diffs++;return diffs+lengthDiff}function warn(msg){!1===hooks.suppressDeprecationWarnings&&"undefined"!=typeof console&&console.warn&&console.warn("Deprecation warning: "+msg)}function deprecate(msg,fn){var firstTime=!0;return extend((function(){if(null!=hooks.deprecationHandler&&hooks.deprecationHandler(null,msg),firstTime){for(var arg,args=[],i=0;i<arguments.length;i++){if(arg="","object"===_typeof(arguments[i])){for(var key in arg+="\n["+i+"] ",arguments[0])arg+=key+": "+arguments[0][key]+", ";arg=arg.slice(0,-2)}else arg=arguments[i];args.push(arg)}warn(msg+"\nArguments: "+Array.prototype.slice.call(args).join("")+"\n"+(new Error).stack),firstTime=!1}return fn.apply(this,arguments)}),fn)}var deprecations={};function deprecateSimple(name,msg){null!=hooks.deprecationHandler&&hooks.deprecationHandler(name,msg),deprecations[name]||(warn(msg),deprecations[name]=!0)}function isFunction(input){return input instanceof Function||"[object Function]"===Object.prototype.toString.call(input)}function mergeConfigs(parentConfig,childConfig){var prop,res=extend({},parentConfig);for(prop in childConfig)hasOwnProp(childConfig,prop)&&(isObject(parentConfig[prop])&&isObject(childConfig[prop])?(res[prop]={},extend(res[prop],parentConfig[prop]),extend(res[prop],childConfig[prop])):null!=childConfig[prop]?res[prop]=childConfig[prop]:delete res[prop]);for(prop in parentConfig)hasOwnProp(parentConfig,prop)&&!hasOwnProp(childConfig,prop)&&isObject(parentConfig[prop])&&(res[prop]=extend({},res[prop]));return res}function Locale(config){null!=config&&this.set(config)}hooks.suppressDeprecationWarnings=!1,hooks.deprecationHandler=null;var keys$1=Object.keys?Object.keys:function(obj){var i,res=[];for(i in obj)hasOwnProp(obj,i)&&res.push(i);return res};var aliases={};function addUnitAlias(unit,shorthand){var lowerCase=unit.toLowerCase();aliases[lowerCase]=aliases[lowerCase+"s"]=aliases[shorthand]=unit}function normalizeUnits(units){return"string"==typeof units?aliases[units]||aliases[units.toLowerCase()]:void 0}function normalizeObjectUnits(inputObject){var normalizedProp,prop,normalizedInput={};for(prop in inputObject)hasOwnProp(inputObject,prop)&&(normalizedProp=normalizeUnits(prop))&&(normalizedInput[normalizedProp]=inputObject[prop]);return normalizedInput}var priorities={};function addUnitPriority(unit,priority){priorities[unit]=priority}function makeGetSet(unit,keepTime){return function(value){return null!=value?(set$1(this,unit,value),hooks.updateOffset(this,keepTime),this):get(this,unit)}}function get(mom,unit){return mom.isValid()?mom._d["get"+(mom._isUTC?"UTC":"")+unit]():NaN}function set$1(mom,unit,value){mom.isValid()&&mom._d["set"+(mom._isUTC?"UTC":"")+unit](value)}function zeroFill(number,targetLength,forceSign){var absNumber=""+Math.abs(number),zerosToFill=targetLength-absNumber.length;return(number>=0?forceSign?"+":"":"-")+Math.pow(10,Math.max(0,zerosToFill)).toString().substr(1)+absNumber}var formattingTokens=/(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g,localFormattingTokens=/(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g,formatFunctions={},formatTokenFunctions={};function addFormatToken(token,padded,ordinal,callback){var func=callback;"string"==typeof callback&&(func=function(){return this[callback]()}),token&&(formatTokenFunctions[token]=func),padded&&(formatTokenFunctions[padded[0]]=function(){return zeroFill(func.apply(this,arguments),padded[1],padded[2])}),ordinal&&(formatTokenFunctions[ordinal]=function(){return this.localeData().ordinal(func.apply(this,arguments),token)})}function formatMoment(m,format){return m.isValid()?(format=expandFormat(format,m.localeData()),formatFunctions[format]=formatFunctions[format]||function(format){var i,length,input,array=format.match(formattingTokens);for(i=0,length=array.length;i<length;i++)formatTokenFunctions[array[i]]?array[i]=formatTokenFunctions[array[i]]:array[i]=(input=array[i]).match(/\[[\s\S]/)?input.replace(/^\[|\]$/g,""):input.replace(/\\/g,"");return function(mom){var i,output="";for(i=0;i<length;i++)output+=isFunction(array[i])?array[i].call(mom,format):array[i];return output}}(format),formatFunctions[format](m)):m.localeData().invalidDate()}function expandFormat(format,locale){var i=5;function replaceLongDateFormatTokens(input){return locale.longDateFormat(input)||input}for(localFormattingTokens.lastIndex=0;i>=0&&localFormattingTokens.test(format);)format=format.replace(localFormattingTokens,replaceLongDateFormatTokens),localFormattingTokens.lastIndex=0,i-=1;return format}var match1=/\d/,match2=/\d\d/,match3=/\d{3}/,match4=/\d{4}/,match6=/[+-]?\d{6}/,match1to2=/\d\d?/,match3to4=/\d\d\d\d?/,match5to6=/\d\d\d\d\d\d?/,match1to3=/\d{1,3}/,match1to4=/\d{1,4}/,match1to6=/[+-]?\d{1,6}/,matchUnsigned=/\d+/,matchSigned=/[+-]?\d+/,matchOffset=/Z|[+-]\d\d:?\d\d/gi,matchShortOffset=/Z|[+-]\d\d(?::?\d\d)?/gi,matchWord=/[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i,regexes={};function addRegexToken(token,regex,strictRegex){regexes[token]=isFunction(regex)?regex:function(isStrict,localeData){return isStrict&&strictRegex?strictRegex:regex}}function getParseRegexForToken(token,config){return hasOwnProp(regexes,token)?regexes[token](config._strict,config._locale):new RegExp(regexEscape(token.replace("\\","").replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g,(function(matched,p1,p2,p3,p4){return p1||p2||p3||p4}))))}function regexEscape(s){return s.replace(/[-\/\\^$*+?.()|[\]{}]/g,"\\$&")}var tokens={};function addParseToken(token,callback){var i,func=callback;for("string"==typeof token&&(token=[token]),isNumber(callback)&&(func=function(input,array){array[callback]=toInt(input)}),i=0;i<token.length;i++)tokens[token[i]]=func}function addWeekParseToken(token,callback){addParseToken(token,(function(input,array,config,token){config._w=config._w||{},callback(input,config._w,config,token)}))}function addTimeToArrayFromToken(token,input,config){null!=input&&hasOwnProp(tokens,token)&&tokens[token](input,config._a,config,token)}var indexOf$1=Array.prototype.indexOf?Array.prototype.indexOf:function(o){var i;for(i=0;i<this.length;++i)if(this[i]===o)return i;return-1};function daysInMonth(year,month){return new Date(Date.UTC(year,month+1,0)).getUTCDate()}addFormatToken("M",["MM",2],"Mo",(function(){return this.month()+1})),addFormatToken("MMM",0,0,(function(format){return this.localeData().monthsShort(this,format)})),addFormatToken("MMMM",0,0,(function(format){return this.localeData().months(this,format)})),addUnitAlias("month","M"),addUnitPriority("month",8),addRegexToken("M",match1to2),addRegexToken("MM",match1to2,match2),addRegexToken("MMM",(function(isStrict,locale){return locale.monthsShortRegex(isStrict)})),addRegexToken("MMMM",(function(isStrict,locale){return locale.monthsRegex(isStrict)})),addParseToken(["M","MM"],(function(input,array){array[1]=toInt(input)-1})),addParseToken(["MMM","MMMM"],(function(input,array,config,token){var month=config._locale.monthsParse(input,token,config._strict);null!=month?array[1]=month:getParsingFlags(config).invalidMonth=input}));var MONTHS_IN_FORMAT=/D[oD]?(\[[^\[\]]*\]|\s)+MMMM?/,defaultLocaleMonths="January_February_March_April_May_June_July_August_September_October_November_December".split("_");var defaultLocaleMonthsShort="Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec".split("_");function handleStrictParse(monthName,format,strict){var i,ii,mom,llc=monthName.toLocaleLowerCase();if(!this._monthsParse)for(this._monthsParse=[],this._longMonthsParse=[],this._shortMonthsParse=[],i=0;i<12;++i)mom=createUTC([2e3,i]),this._shortMonthsParse[i]=this.monthsShort(mom,"").toLocaleLowerCase(),this._longMonthsParse[i]=this.months(mom,"").toLocaleLowerCase();return strict?"MMM"===format?-1!==(ii=indexOf$1.call(this._shortMonthsParse,llc))?ii:null:-1!==(ii=indexOf$1.call(this._longMonthsParse,llc))?ii:null:"MMM"===format?-1!==(ii=indexOf$1.call(this._shortMonthsParse,llc))||-1!==(ii=indexOf$1.call(this._longMonthsParse,llc))?ii:null:-1!==(ii=indexOf$1.call(this._longMonthsParse,llc))||-1!==(ii=indexOf$1.call(this._shortMonthsParse,llc))?ii:null}function setMonth(mom,value){var dayOfMonth;if(!mom.isValid())return mom;if("string"==typeof value)if(/^\d+$/.test(value))value=toInt(value);else if(!isNumber(value=mom.localeData().monthsParse(value)))return mom;return dayOfMonth=Math.min(mom.date(),daysInMonth(mom.year(),value)),mom._d["set"+(mom._isUTC?"UTC":"")+"Month"](value,dayOfMonth),mom}function getSetMonth(value){return null!=value?(setMonth(this,value),hooks.updateOffset(this,!0),this):get(this,"Month")}var defaultMonthsShortRegex=matchWord;var defaultMonthsRegex=matchWord;function computeMonthsParse(){function cmpLenRev(a,b){return b.length-a.length}var i,mom,shortPieces=[],longPieces=[],mixedPieces=[];for(i=0;i<12;i++)mom=createUTC([2e3,i]),shortPieces.push(this.monthsShort(mom,"")),longPieces.push(this.months(mom,"")),mixedPieces.push(this.months(mom,"")),mixedPieces.push(this.monthsShort(mom,""));for(shortPieces.sort(cmpLenRev),longPieces.sort(cmpLenRev),mixedPieces.sort(cmpLenRev),i=0;i<12;i++)shortPieces[i]=regexEscape(shortPieces[i]),longPieces[i]=regexEscape(longPieces[i]);for(i=0;i<24;i++)mixedPieces[i]=regexEscape(mixedPieces[i]);this._monthsRegex=new RegExp("^("+mixedPieces.join("|")+")","i"),this._monthsShortRegex=this._monthsRegex,this._monthsStrictRegex=new RegExp("^("+longPieces.join("|")+")","i"),this._monthsShortStrictRegex=new RegExp("^("+shortPieces.join("|")+")","i")}function daysInYear(year){return isLeapYear(year)?366:365}function isLeapYear(year){return year%4==0&&year%100!=0||year%400==0}addFormatToken("Y",0,0,(function(){var y=this.year();return y<=9999?""+y:"+"+y})),addFormatToken(0,["YY",2],0,(function(){return this.year()%100})),addFormatToken(0,["YYYY",4],0,"year"),addFormatToken(0,["YYYYY",5],0,"year"),addFormatToken(0,["YYYYYY",6,!0],0,"year"),addUnitAlias("year","y"),addUnitPriority("year",1),addRegexToken("Y",matchSigned),addRegexToken("YY",match1to2,match2),addRegexToken("YYYY",match1to4,match4),addRegexToken("YYYYY",match1to6,match6),addRegexToken("YYYYYY",match1to6,match6),addParseToken(["YYYYY","YYYYYY"],0),addParseToken("YYYY",(function(input,array){array[0]=2===input.length?hooks.parseTwoDigitYear(input):toInt(input)})),addParseToken("YY",(function(input,array){array[0]=hooks.parseTwoDigitYear(input)})),addParseToken("Y",(function(input,array){array[0]=parseInt(input,10)})),hooks.parseTwoDigitYear=function(input){return toInt(input)+(toInt(input)>68?1900:2e3)};var getSetYear=makeGetSet("FullYear",!0);function createDate(y,m,d,h,M,s,ms){var date=new Date(y,m,d,h,M,s,ms);return y<100&&y>=0&&isFinite(date.getFullYear())&&date.setFullYear(y),date}function createUTCDate(y){var date=new Date(Date.UTC.apply(null,arguments));return y<100&&y>=0&&isFinite(date.getUTCFullYear())&&date.setUTCFullYear(y),date}function firstWeekOffset(year,dow,doy){var fwd=7+dow-doy;return-((7+createUTCDate(year,0,fwd).getUTCDay()-dow)%7)+fwd-1}function dayOfYearFromWeeks(year,week,weekday,dow,doy){var resYear,resDayOfYear,dayOfYear=1+7*(week-1)+(7+weekday-dow)%7+firstWeekOffset(year,dow,doy);return dayOfYear<=0?resDayOfYear=daysInYear(resYear=year-1)+dayOfYear:dayOfYear>daysInYear(year)?(resYear=year+1,resDayOfYear=dayOfYear-daysInYear(year)):(resYear=year,resDayOfYear=dayOfYear),{year:resYear,dayOfYear:resDayOfYear}}function weekOfYear(mom,dow,doy){var resWeek,resYear,weekOffset=firstWeekOffset(mom.year(),dow,doy),week=Math.floor((mom.dayOfYear()-weekOffset-1)/7)+1;return week<1?resWeek=week+weeksInYear(resYear=mom.year()-1,dow,doy):week>weeksInYear(mom.year(),dow,doy)?(resWeek=week-weeksInYear(mom.year(),dow,doy),resYear=mom.year()+1):(resYear=mom.year(),resWeek=week),{week:resWeek,year:resYear}}function weeksInYear(year,dow,doy){var weekOffset=firstWeekOffset(year,dow,doy),weekOffsetNext=firstWeekOffset(year+1,dow,doy);return(daysInYear(year)-weekOffset+weekOffsetNext)/7}addFormatToken("w",["ww",2],"wo","week"),addFormatToken("W",["WW",2],"Wo","isoWeek"),addUnitAlias("week","w"),addUnitAlias("isoWeek","W"),addUnitPriority("week",5),addUnitPriority("isoWeek",5),addRegexToken("w",match1to2),addRegexToken("ww",match1to2,match2),addRegexToken("W",match1to2),addRegexToken("WW",match1to2,match2),addWeekParseToken(["w","ww","W","WW"],(function(input,week,config,token){week[token.substr(0,1)]=toInt(input)}));addFormatToken("d",0,"do","day"),addFormatToken("dd",0,0,(function(format){return this.localeData().weekdaysMin(this,format)})),addFormatToken("ddd",0,0,(function(format){return this.localeData().weekdaysShort(this,format)})),addFormatToken("dddd",0,0,(function(format){return this.localeData().weekdays(this,format)})),addFormatToken("e",0,0,"weekday"),addFormatToken("E",0,0,"isoWeekday"),addUnitAlias("day","d"),addUnitAlias("weekday","e"),addUnitAlias("isoWeekday","E"),addUnitPriority("day",11),addUnitPriority("weekday",11),addUnitPriority("isoWeekday",11),addRegexToken("d",match1to2),addRegexToken("e",match1to2),addRegexToken("E",match1to2),addRegexToken("dd",(function(isStrict,locale){return locale.weekdaysMinRegex(isStrict)})),addRegexToken("ddd",(function(isStrict,locale){return locale.weekdaysShortRegex(isStrict)})),addRegexToken("dddd",(function(isStrict,locale){return locale.weekdaysRegex(isStrict)})),addWeekParseToken(["dd","ddd","dddd"],(function(input,week,config,token){var weekday=config._locale.weekdaysParse(input,token,config._strict);null!=weekday?week.d=weekday:getParsingFlags(config).invalidWeekday=input})),addWeekParseToken(["d","e","E"],(function(input,week,config,token){week[token]=toInt(input)}));var defaultLocaleWeekdays="Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday".split("_");var defaultLocaleWeekdaysShort="Sun_Mon_Tue_Wed_Thu_Fri_Sat".split("_");var defaultLocaleWeekdaysMin="Su_Mo_Tu_We_Th_Fr_Sa".split("_");function handleStrictParse$1(weekdayName,format,strict){var i,ii,mom,llc=weekdayName.toLocaleLowerCase();if(!this._weekdaysParse)for(this._weekdaysParse=[],this._shortWeekdaysParse=[],this._minWeekdaysParse=[],i=0;i<7;++i)mom=createUTC([2e3,1]).day(i),this._minWeekdaysParse[i]=this.weekdaysMin(mom,"").toLocaleLowerCase(),this._shortWeekdaysParse[i]=this.weekdaysShort(mom,"").toLocaleLowerCase(),this._weekdaysParse[i]=this.weekdays(mom,"").toLocaleLowerCase();return strict?"dddd"===format?-1!==(ii=indexOf$1.call(this._weekdaysParse,llc))?ii:null:"ddd"===format?-1!==(ii=indexOf$1.call(this._shortWeekdaysParse,llc))?ii:null:-1!==(ii=indexOf$1.call(this._minWeekdaysParse,llc))?ii:null:"dddd"===format?-1!==(ii=indexOf$1.call(this._weekdaysParse,llc))||-1!==(ii=indexOf$1.call(this._shortWeekdaysParse,llc))||-1!==(ii=indexOf$1.call(this._minWeekdaysParse,llc))?ii:null:"ddd"===format?-1!==(ii=indexOf$1.call(this._shortWeekdaysParse,llc))||-1!==(ii=indexOf$1.call(this._weekdaysParse,llc))||-1!==(ii=indexOf$1.call(this._minWeekdaysParse,llc))?ii:null:-1!==(ii=indexOf$1.call(this._minWeekdaysParse,llc))||-1!==(ii=indexOf$1.call(this._weekdaysParse,llc))||-1!==(ii=indexOf$1.call(this._shortWeekdaysParse,llc))?ii:null}var defaultWeekdaysRegex=matchWord;var defaultWeekdaysShortRegex=matchWord;var defaultWeekdaysMinRegex=matchWord;function computeWeekdaysParse(){function cmpLenRev(a,b){return b.length-a.length}var i,mom,minp,shortp,longp,minPieces=[],shortPieces=[],longPieces=[],mixedPieces=[];for(i=0;i<7;i++)mom=createUTC([2e3,1]).day(i),minp=this.weekdaysMin(mom,""),shortp=this.weekdaysShort(mom,""),longp=this.weekdays(mom,""),minPieces.push(minp),shortPieces.push(shortp),longPieces.push(longp),mixedPieces.push(minp),mixedPieces.push(shortp),mixedPieces.push(longp);for(minPieces.sort(cmpLenRev),shortPieces.sort(cmpLenRev),longPieces.sort(cmpLenRev),mixedPieces.sort(cmpLenRev),i=0;i<7;i++)shortPieces[i]=regexEscape(shortPieces[i]),longPieces[i]=regexEscape(longPieces[i]),mixedPieces[i]=regexEscape(mixedPieces[i]);this._weekdaysRegex=new RegExp("^("+mixedPieces.join("|")+")","i"),this._weekdaysShortRegex=this._weekdaysRegex,this._weekdaysMinRegex=this._weekdaysRegex,this._weekdaysStrictRegex=new RegExp("^("+longPieces.join("|")+")","i"),this._weekdaysShortStrictRegex=new RegExp("^("+shortPieces.join("|")+")","i"),this._weekdaysMinStrictRegex=new RegExp("^("+minPieces.join("|")+")","i")}function hFormat(){return this.hours()%12||12}function meridiem(token,lowercase){addFormatToken(token,0,0,(function(){return this.localeData().meridiem(this.hours(),this.minutes(),lowercase)}))}function matchMeridiem(isStrict,locale){return locale._meridiemParse}addFormatToken("H",["HH",2],0,"hour"),addFormatToken("h",["hh",2],0,hFormat),addFormatToken("k",["kk",2],0,(function(){return this.hours()||24})),addFormatToken("hmm",0,0,(function(){return""+hFormat.apply(this)+zeroFill(this.minutes(),2)})),addFormatToken("hmmss",0,0,(function(){return""+hFormat.apply(this)+zeroFill(this.minutes(),2)+zeroFill(this.seconds(),2)})),addFormatToken("Hmm",0,0,(function(){return""+this.hours()+zeroFill(this.minutes(),2)})),addFormatToken("Hmmss",0,0,(function(){return""+this.hours()+zeroFill(this.minutes(),2)+zeroFill(this.seconds(),2)})),meridiem("a",!0),meridiem("A",!1),addUnitAlias("hour","h"),addUnitPriority("hour",13),addRegexToken("a",matchMeridiem),addRegexToken("A",matchMeridiem),addRegexToken("H",match1to2),addRegexToken("h",match1to2),addRegexToken("k",match1to2),addRegexToken("HH",match1to2,match2),addRegexToken("hh",match1to2,match2),addRegexToken("kk",match1to2,match2),addRegexToken("hmm",match3to4),addRegexToken("hmmss",match5to6),addRegexToken("Hmm",match3to4),addRegexToken("Hmmss",match5to6),addParseToken(["H","HH"],3),addParseToken(["k","kk"],(function(input,array,config){var kInput=toInt(input);array[3]=24===kInput?0:kInput})),addParseToken(["a","A"],(function(input,array,config){config._isPm=config._locale.isPM(input),config._meridiem=input})),addParseToken(["h","hh"],(function(input,array,config){array[3]=toInt(input),getParsingFlags(config).bigHour=!0})),addParseToken("hmm",(function(input,array,config){var pos=input.length-2;array[3]=toInt(input.substr(0,pos)),array[4]=toInt(input.substr(pos)),getParsingFlags(config).bigHour=!0})),addParseToken("hmmss",(function(input,array,config){var pos1=input.length-4,pos2=input.length-2;array[3]=toInt(input.substr(0,pos1)),array[4]=toInt(input.substr(pos1,2)),array[5]=toInt(input.substr(pos2)),getParsingFlags(config).bigHour=!0})),addParseToken("Hmm",(function(input,array,config){var pos=input.length-2;array[3]=toInt(input.substr(0,pos)),array[4]=toInt(input.substr(pos))})),addParseToken("Hmmss",(function(input,array,config){var pos1=input.length-4,pos2=input.length-2;array[3]=toInt(input.substr(0,pos1)),array[4]=toInt(input.substr(pos1,2)),array[5]=toInt(input.substr(pos2))}));var globalLocale,getSetHour=makeGetSet("Hours",!0),baseConfig={calendar:{sameDay:"[Today at] LT",nextDay:"[Tomorrow at] LT",nextWeek:"dddd [at] LT",lastDay:"[Yesterday at] LT",lastWeek:"[Last] dddd [at] LT",sameElse:"L"},longDateFormat:{LTS:"h:mm:ss A",LT:"h:mm A",L:"MM/DD/YYYY",LL:"MMMM D, YYYY",LLL:"MMMM D, YYYY h:mm A",LLLL:"dddd, MMMM D, YYYY h:mm A"},invalidDate:"Invalid date",ordinal:"%d",dayOfMonthOrdinalParse:/\d{1,2}/,relativeTime:{future:"in %s",past:"%s ago",s:"a few seconds",ss:"%d seconds",m:"a minute",mm:"%d minutes",h:"an hour",hh:"%d hours",d:"a day",dd:"%d days",M:"a month",MM:"%d months",y:"a year",yy:"%d years"},months:defaultLocaleMonths,monthsShort:defaultLocaleMonthsShort,week:{dow:0,doy:6},weekdays:defaultLocaleWeekdays,weekdaysMin:defaultLocaleWeekdaysMin,weekdaysShort:defaultLocaleWeekdaysShort,meridiemParse:/[ap]\.?m?\.?/i},locales={},localeFamilies={};function normalizeLocale(key){return key?key.toLowerCase().replace("_","-"):key}function loadLocale(name){var oldLocale=null;if(!locales[name]&&void 0!==module&&module&&module.exports)try{oldLocale=globalLocale._abbr,require("./locale/"+name),getSetGlobalLocale(oldLocale)}catch(e){}return locales[name]}function getSetGlobalLocale(key,values){var data;return key&&(data=isUndefined(values)?getLocale(key):defineLocale(key,values))&&(globalLocale=data),globalLocale._abbr}function defineLocale(name,config){if(null!==config){var parentConfig=baseConfig;if(config.abbr=name,null!=locales[name])deprecateSimple("defineLocaleOverride","use moment.updateLocale(localeName, config) to change an existing locale. moment.defineLocale(localeName, config) should only be used for creating a new locale See http://momentjs.com/guides/#/warnings/define-locale/ for more info."),parentConfig=locales[name]._config;else if(null!=config.parentLocale){if(null==locales[config.parentLocale])return localeFamilies[config.parentLocale]||(localeFamilies[config.parentLocale]=[]),localeFamilies[config.parentLocale].push({name:name,config:config}),null;parentConfig=locales[config.parentLocale]._config}return locales[name]=new Locale(mergeConfigs(parentConfig,config)),localeFamilies[name]&&localeFamilies[name].forEach((function(x){defineLocale(x.name,x.config)})),getSetGlobalLocale(name),locales[name]}return delete locales[name],null}function getLocale(key){var locale;if(key&&key._locale&&key._locale._abbr&&(key=key._locale._abbr),!key)return globalLocale;if(!isArray(key)){if(locale=loadLocale(key))return locale;key=[key]}return function(names){for(var j,next,locale,split,i=0;i<names.length;){for(j=(split=normalizeLocale(names[i]).split("-")).length,next=(next=normalizeLocale(names[i+1]))?next.split("-"):null;j>0;){if(locale=loadLocale(split.slice(0,j).join("-")))return locale;if(next&&next.length>=j&&compareArrays(split,next,!0)>=j-1)break;j--}i++}return null}(key)}function checkOverflow(m){var overflow,a=m._a;return a&&-2===getParsingFlags(m).overflow&&(overflow=a[1]<0||a[1]>11?1:a[2]<1||a[2]>daysInMonth(a[0],a[1])?2:a[3]<0||a[3]>24||24===a[3]&&(0!==a[4]||0!==a[5]||0!==a[6])?3:a[4]<0||a[4]>59?4:a[5]<0||a[5]>59?5:a[6]<0||a[6]>999?6:-1,getParsingFlags(m)._overflowDayOfYear&&(overflow<0||overflow>2)&&(overflow=2),getParsingFlags(m)._overflowWeeks&&-1===overflow&&(overflow=7),getParsingFlags(m)._overflowWeekday&&-1===overflow&&(overflow=8),getParsingFlags(m).overflow=overflow),m}var extendedIsoRegex=/^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/,basicIsoRegex=/^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?$/,tzRegex=/Z|[+-]\d\d(?::?\d\d)?/,isoDates=[["YYYYYY-MM-DD",/[+-]\d{6}-\d\d-\d\d/],["YYYY-MM-DD",/\d{4}-\d\d-\d\d/],["GGGG-[W]WW-E",/\d{4}-W\d\d-\d/],["GGGG-[W]WW",/\d{4}-W\d\d/,!1],["YYYY-DDD",/\d{4}-\d{3}/],["YYYY-MM",/\d{4}-\d\d/,!1],["YYYYYYMMDD",/[+-]\d{10}/],["YYYYMMDD",/\d{8}/],["GGGG[W]WWE",/\d{4}W\d{3}/],["GGGG[W]WW",/\d{4}W\d{2}/,!1],["YYYYDDD",/\d{7}/]],isoTimes=[["HH:mm:ss.SSSS",/\d\d:\d\d:\d\d\.\d+/],["HH:mm:ss,SSSS",/\d\d:\d\d:\d\d,\d+/],["HH:mm:ss",/\d\d:\d\d:\d\d/],["HH:mm",/\d\d:\d\d/],["HHmmss.SSSS",/\d\d\d\d\d\d\.\d+/],["HHmmss,SSSS",/\d\d\d\d\d\d,\d+/],["HHmmss",/\d\d\d\d\d\d/],["HHmm",/\d\d\d\d/],["HH",/\d\d/]],aspNetJsonRegex=/^\/?Date\((\-?\d+)/i;function configFromISO(config){var i,l,allowTime,dateFormat,timeFormat,tzFormat,string=config._i,match=extendedIsoRegex.exec(string)||basicIsoRegex.exec(string);if(match){for(getParsingFlags(config).iso=!0,i=0,l=isoDates.length;i<l;i++)if(isoDates[i][1].exec(match[1])){dateFormat=isoDates[i][0],allowTime=!1!==isoDates[i][2];break}if(null==dateFormat)return void(config._isValid=!1);if(match[3]){for(i=0,l=isoTimes.length;i<l;i++)if(isoTimes[i][1].exec(match[3])){timeFormat=(match[2]||" ")+isoTimes[i][0];break}if(null==timeFormat)return void(config._isValid=!1)}if(!allowTime&&null!=timeFormat)return void(config._isValid=!1);if(match[4]){if(!tzRegex.exec(match[4]))return void(config._isValid=!1);tzFormat="Z"}config._f=dateFormat+(timeFormat||"")+(tzFormat||""),configFromStringAndFormat(config)}else config._isValid=!1}var basicRfcRegex=/^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\s)?(\d?\d\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s(?:\d\d)?\d\d\s)(\d\d:\d\d)(\:\d\d)?(\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\d{4}))$/;function configFromRFC2822(config){var string,match,dayFormat,dateFormat,timeFormat,timezone,timezoneIndex,timezones={" GMT":" +0000"," EDT":" -0400"," EST":" -0500"," CDT":" -0500"," CST":" -0600"," MDT":" -0600"," MST":" -0700"," PDT":" -0700"," PST":" -0800"};if(string=config._i.replace(/\([^\)]*\)|[\n\t]/g," ").replace(/(\s\s+)/g," ").replace(/^\s|\s$/g,""),match=basicRfcRegex.exec(string)){if(dayFormat=match[1]?"ddd"+(5===match[1].length?", ":" "):"",dateFormat="D MMM "+(match[2].length>10?"YYYY ":"YY "),timeFormat="HH:mm"+(match[4]?":ss":""),match[1]){var momentDay=["Sun","Mon","Tue","Wed","Thu","Fri","Sat"][new Date(match[2]).getDay()];if(match[1].substr(0,3)!==momentDay)return getParsingFlags(config).weekdayMismatch=!0,void(config._isValid=!1)}switch(match[5].length){case 2:timezone=0===timezoneIndex?" +0000":((timezoneIndex="YXWVUTSRQPONZABCDEFGHIKLM".indexOf(match[5][1].toUpperCase())-12)<0?" -":" +")+(""+timezoneIndex).replace(/^-?/,"0").match(/..$/)[0]+"00";break;case 4:timezone=timezones[match[5]];break;default:timezone=timezones[" GMT"]}match[5]=timezone,config._i=match.splice(1).join("")," ZZ",config._f=dayFormat+dateFormat+timeFormat+" ZZ",configFromStringAndFormat(config),getParsingFlags(config).rfc2822=!0}else config._isValid=!1}function defaults(a,b,c){return null!=a?a:null!=b?b:c}function configFromArray(config){var i,date,currentDate,yearToUse,input=[];if(!config._d){for(currentDate=function(config){var nowValue=new Date(hooks.now());return config._useUTC?[nowValue.getUTCFullYear(),nowValue.getUTCMonth(),nowValue.getUTCDate()]:[nowValue.getFullYear(),nowValue.getMonth(),nowValue.getDate()]}(config),config._w&&null==config._a[2]&&null==config._a[1]&&function(config){var w,weekYear,week,weekday,dow,doy,temp,weekdayOverflow;if(null!=(w=config._w).GG||null!=w.W||null!=w.E)dow=1,doy=4,weekYear=defaults(w.GG,config._a[0],weekOfYear(createLocal(),1,4).year),week=defaults(w.W,1),((weekday=defaults(w.E,1))<1||weekday>7)&&(weekdayOverflow=!0);else{dow=config._locale._week.dow,doy=config._locale._week.doy;var curWeek=weekOfYear(createLocal(),dow,doy);weekYear=defaults(w.gg,config._a[0],curWeek.year),week=defaults(w.w,curWeek.week),null!=w.d?((weekday=w.d)<0||weekday>6)&&(weekdayOverflow=!0):null!=w.e?(weekday=w.e+dow,(w.e<0||w.e>6)&&(weekdayOverflow=!0)):weekday=dow}week<1||week>weeksInYear(weekYear,dow,doy)?getParsingFlags(config)._overflowWeeks=!0:null!=weekdayOverflow?getParsingFlags(config)._overflowWeekday=!0:(temp=dayOfYearFromWeeks(weekYear,week,weekday,dow,doy),config._a[0]=temp.year,config._dayOfYear=temp.dayOfYear)}(config),null!=config._dayOfYear&&(yearToUse=defaults(config._a[0],currentDate[0]),(config._dayOfYear>daysInYear(yearToUse)||0===config._dayOfYear)&&(getParsingFlags(config)._overflowDayOfYear=!0),date=createUTCDate(yearToUse,0,config._dayOfYear),config._a[1]=date.getUTCMonth(),config._a[2]=date.getUTCDate()),i=0;i<3&&null==config._a[i];++i)config._a[i]=input[i]=currentDate[i];for(;i<7;i++)config._a[i]=input[i]=null==config._a[i]?2===i?1:0:config._a[i];24===config._a[3]&&0===config._a[4]&&0===config._a[5]&&0===config._a[6]&&(config._nextDay=!0,config._a[3]=0),config._d=(config._useUTC?createUTCDate:createDate).apply(null,input),null!=config._tzm&&config._d.setUTCMinutes(config._d.getUTCMinutes()-config._tzm),config._nextDay&&(config._a[3]=24)}}function configFromStringAndFormat(config){if(config._f!==hooks.ISO_8601)if(config._f!==hooks.RFC_2822){config._a=[],getParsingFlags(config).empty=!0;var i,parsedInput,tokens,token,skipped,string=""+config._i,stringLength=string.length,totalParsedInputLength=0;for(tokens=expandFormat(config._f,config._locale).match(formattingTokens)||[],i=0;i<tokens.length;i++)token=tokens[i],(parsedInput=(string.match(getParseRegexForToken(token,config))||[])[0])&&((skipped=string.substr(0,string.indexOf(parsedInput))).length>0&&getParsingFlags(config).unusedInput.push(skipped),string=string.slice(string.indexOf(parsedInput)+parsedInput.length),totalParsedInputLength+=parsedInput.length),formatTokenFunctions[token]?(parsedInput?getParsingFlags(config).empty=!1:getParsingFlags(config).unusedTokens.push(token),addTimeToArrayFromToken(token,parsedInput,config)):config._strict&&!parsedInput&&getParsingFlags(config).unusedTokens.push(token);getParsingFlags(config).charsLeftOver=stringLength-totalParsedInputLength,string.length>0&&getParsingFlags(config).unusedInput.push(string),config._a[3]<=12&&!0===getParsingFlags(config).bigHour&&config._a[3]>0&&(getParsingFlags(config).bigHour=void 0),getParsingFlags(config).parsedDateParts=config._a.slice(0),getParsingFlags(config).meridiem=config._meridiem,config._a[3]=function(locale,hour,meridiem){var isPm;if(null==meridiem)return hour;return null!=locale.meridiemHour?locale.meridiemHour(hour,meridiem):null!=locale.isPM?((isPm=locale.isPM(meridiem))&&hour<12&&(hour+=12),isPm||12!==hour||(hour=0),hour):hour}(config._locale,config._a[3],config._meridiem),configFromArray(config),checkOverflow(config)}else configFromRFC2822(config);else configFromISO(config)}function prepareConfig(config){var input=config._i,format=config._f;return config._locale=config._locale||getLocale(config._l),null===input||void 0===format&&""===input?createInvalid({nullInput:!0}):("string"==typeof input&&(config._i=input=config._locale.preparse(input)),isMoment(input)?new Moment(checkOverflow(input)):(isDate(input)?config._d=input:isArray(format)?function(config){var tempConfig,bestMoment,scoreToBeat,i,currentScore;if(0===config._f.length)return getParsingFlags(config).invalidFormat=!0,void(config._d=new Date(NaN));for(i=0;i<config._f.length;i++)currentScore=0,tempConfig=copyConfig({},config),null!=config._useUTC&&(tempConfig._useUTC=config._useUTC),tempConfig._f=config._f[i],configFromStringAndFormat(tempConfig),isValid(tempConfig)&&(currentScore+=getParsingFlags(tempConfig).charsLeftOver,currentScore+=10*getParsingFlags(tempConfig).unusedTokens.length,getParsingFlags(tempConfig).score=currentScore,(null==scoreToBeat||currentScore<scoreToBeat)&&(scoreToBeat=currentScore,bestMoment=tempConfig));extend(config,bestMoment||tempConfig)}(config):format?configFromStringAndFormat(config):function(config){var input=config._i;isUndefined(input)?config._d=new Date(hooks.now()):isDate(input)?config._d=new Date(input.valueOf()):"string"==typeof input?function(config){var matched=aspNetJsonRegex.exec(config._i);null===matched?(configFromISO(config),!1===config._isValid&&(delete config._isValid,configFromRFC2822(config),!1===config._isValid&&(delete config._isValid,hooks.createFromInputFallback(config)))):config._d=new Date(+matched[1])}(config):isArray(input)?(config._a=map(input.slice(0),(function(obj){return parseInt(obj,10)})),configFromArray(config)):isObject(input)?function(config){if(!config._d){var i=normalizeObjectUnits(config._i);config._a=map([i.year,i.month,i.day||i.date,i.hour,i.minute,i.second,i.millisecond],(function(obj){return obj&&parseInt(obj,10)})),configFromArray(config)}}(config):isNumber(input)?config._d=new Date(input):hooks.createFromInputFallback(config)}(config),isValid(config)||(config._d=null),config))}function createLocalOrUTC(input,format,locale,strict,isUTC){var res,c={};return!0!==locale&&!1!==locale||(strict=locale,locale=void 0),(isObject(input)&&function(obj){var k;for(k in obj)return!1;return!0}(input)||isArray(input)&&0===input.length)&&(input=void 0),c._isAMomentObject=!0,c._useUTC=c._isUTC=isUTC,c._l=locale,c._i=input,c._f=format,c._strict=strict,(res=new Moment(checkOverflow(prepareConfig(c))))._nextDay&&(res.add(1,"d"),res._nextDay=void 0),res}function createLocal(input,format,locale,strict){return createLocalOrUTC(input,format,locale,strict,!1)}hooks.createFromInputFallback=deprecate("value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are discouraged and will be removed in an upcoming major release. Please refer to http://momentjs.com/guides/#/warnings/js-date/ for more info.",(function(config){config._d=new Date(config._i+(config._useUTC?" UTC":""))})),hooks.ISO_8601=function(){},hooks.RFC_2822=function(){};var prototypeMin=deprecate("moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/",(function(){var other=createLocal.apply(null,arguments);return this.isValid()&&other.isValid()?other<this?this:other:createInvalid()})),prototypeMax=deprecate("moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/",(function(){var other=createLocal.apply(null,arguments);return this.isValid()&&other.isValid()?other>this?this:other:createInvalid()}));function pickBy(fn,moments){var res,i;if(1===moments.length&&isArray(moments[0])&&(moments=moments[0]),!moments.length)return createLocal();for(res=moments[0],i=1;i<moments.length;++i)moments[i].isValid()&&!moments[i][fn](res)||(res=moments[i]);return res}var ordering=["year","quarter","month","week","day","hour","minute","second","millisecond"];function Duration(duration){var normalizedInput=normalizeObjectUnits(duration),years=normalizedInput.year||0,quarters=normalizedInput.quarter||0,months=normalizedInput.month||0,weeks=normalizedInput.week||0,days=normalizedInput.day||0,hours=normalizedInput.hour||0,minutes=normalizedInput.minute||0,seconds=normalizedInput.second||0,milliseconds=normalizedInput.millisecond||0;this._isValid=function(m){for(var key in m)if(-1===ordering.indexOf(key)||null!=m[key]&&isNaN(m[key]))return!1;for(var unitHasDecimal=!1,i=0;i<ordering.length;++i)if(m[ordering[i]]){if(unitHasDecimal)return!1;parseFloat(m[ordering[i]])!==toInt(m[ordering[i]])&&(unitHasDecimal=!0)}return!0}(normalizedInput),this._milliseconds=+milliseconds+1e3*seconds+6e4*minutes+1e3*hours*60*60,this._days=+days+7*weeks,this._months=+months+3*quarters+12*years,this._data={},this._locale=getLocale(),this._bubble()}function isDuration(obj){return obj instanceof Duration}function absRound(number){return number<0?-1*Math.round(-1*number):Math.round(number)}function offset(token,separator){addFormatToken(token,0,0,(function(){var offset=this.utcOffset(),sign="+";return offset<0&&(offset=-offset,sign="-"),sign+zeroFill(~~(offset/60),2)+separator+zeroFill(~~offset%60,2)}))}offset("Z",":"),offset("ZZ",""),addRegexToken("Z",matchShortOffset),addRegexToken("ZZ",matchShortOffset),addParseToken(["Z","ZZ"],(function(input,array,config){config._useUTC=!0,config._tzm=offsetFromString(matchShortOffset,input)}));var chunkOffset=/([\+\-]|\d\d)/gi;function offsetFromString(matcher,string){var matches=(string||"").match(matcher);if(null===matches)return null;var parts=((matches[matches.length-1]||[])+"").match(chunkOffset)||["-",0,0],minutes=60*parts[1]+toInt(parts[2]);return 0===minutes?0:"+"===parts[0]?minutes:-minutes}function cloneWithOffset(input,model){var res,diff;return model._isUTC?(res=model.clone(),diff=(isMoment(input)||isDate(input)?input.valueOf():createLocal(input).valueOf())-res.valueOf(),res._d.setTime(res._d.valueOf()+diff),hooks.updateOffset(res,!1),res):createLocal(input).local()}function getDateOffset(m){return 15*-Math.round(m._d.getTimezoneOffset()/15)}function isUtc(){return!!this.isValid()&&(this._isUTC&&0===this._offset)}hooks.updateOffset=function(){};var aspNetRegex=/^(\-)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)(\.\d*)?)?$/,isoRegex=/^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;function createDuration(input,key){var sign,ret,diffRes,duration=input,match=null;return isDuration(input)?duration={ms:input._milliseconds,d:input._days,M:input._months}:isNumber(input)?(duration={},key?duration[key]=input:duration.milliseconds=input):(match=aspNetRegex.exec(input))?(sign="-"===match[1]?-1:1,duration={y:0,d:toInt(match[2])*sign,h:toInt(match[3])*sign,m:toInt(match[4])*sign,s:toInt(match[5])*sign,ms:toInt(absRound(1e3*match[6]))*sign}):(match=isoRegex.exec(input))?(sign="-"===match[1]?-1:1,duration={y:parseIso(match[2],sign),M:parseIso(match[3],sign),w:parseIso(match[4],sign),d:parseIso(match[5],sign),h:parseIso(match[6],sign),m:parseIso(match[7],sign),s:parseIso(match[8],sign)}):null==duration?duration={}:"object"===_typeof(duration)&&("from"in duration||"to"in duration)&&(diffRes=function(base,other){var res;if(!base.isValid()||!other.isValid())return{milliseconds:0,months:0};other=cloneWithOffset(other,base),base.isBefore(other)?res=positiveMomentsDifference(base,other):((res=positiveMomentsDifference(other,base)).milliseconds=-res.milliseconds,res.months=-res.months);return res}(createLocal(duration.from),createLocal(duration.to)),(duration={}).ms=diffRes.milliseconds,duration.M=diffRes.months),ret=new Duration(duration),isDuration(input)&&hasOwnProp(input,"_locale")&&(ret._locale=input._locale),ret}function parseIso(inp,sign){var res=inp&&parseFloat(inp.replace(",","."));return(isNaN(res)?0:res)*sign}function positiveMomentsDifference(base,other){var res={milliseconds:0,months:0};return res.months=other.month()-base.month()+12*(other.year()-base.year()),base.clone().add(res.months,"M").isAfter(other)&&--res.months,res.milliseconds=+other-+base.clone().add(res.months,"M"),res}function createAdder(direction,name){return function(val,period){var tmp;return null===period||isNaN(+period)||(deprecateSimple(name,"moment()."+name+"(period, number) is deprecated. Please use moment()."+name+"(number, period). See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info."),tmp=val,val=period,period=tmp),addSubtract(this,createDuration(val="string"==typeof val?+val:val,period),direction),this}}function addSubtract(mom,duration,isAdding,updateOffset){var milliseconds=duration._milliseconds,days=absRound(duration._days),months=absRound(duration._months);mom.isValid()&&(updateOffset=null==updateOffset||updateOffset,milliseconds&&mom._d.setTime(mom._d.valueOf()+milliseconds*isAdding),days&&set$1(mom,"Date",get(mom,"Date")+days*isAdding),months&&setMonth(mom,get(mom,"Month")+months*isAdding),updateOffset&&hooks.updateOffset(mom,days||months))}createDuration.fn=Duration.prototype,createDuration.invalid=function(){return createDuration(NaN)};var add=createAdder(1,"add"),subtract=createAdder(-1,"subtract");function locale(key){var newLocaleData;return void 0===key?this._locale._abbr:(null!=(newLocaleData=getLocale(key))&&(this._locale=newLocaleData),this)}hooks.defaultFormat="YYYY-MM-DDTHH:mm:ssZ",hooks.defaultFormatUtc="YYYY-MM-DDTHH:mm:ss[Z]";var lang=deprecate("moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.",(function(key){return void 0===key?this.localeData():this.locale(key)}));function localeData(){return this._locale}function addWeekYearFormatToken(token,getter){addFormatToken(0,[token,token.length],0,getter)}function getSetWeekYearHelper(input,week,weekday,dow,doy){var weeksTarget;return null==input?weekOfYear(this,dow,doy).year:(week>(weeksTarget=weeksInYear(input,dow,doy))&&(week=weeksTarget),setWeekAll.call(this,input,week,weekday,dow,doy))}function setWeekAll(weekYear,week,weekday,dow,doy){var dayOfYearData=dayOfYearFromWeeks(weekYear,week,weekday,dow,doy),date=createUTCDate(dayOfYearData.year,0,dayOfYearData.dayOfYear);return this.year(date.getUTCFullYear()),this.month(date.getUTCMonth()),this.date(date.getUTCDate()),this}addFormatToken(0,["gg",2],0,(function(){return this.weekYear()%100})),addFormatToken(0,["GG",2],0,(function(){return this.isoWeekYear()%100})),addWeekYearFormatToken("gggg","weekYear"),addWeekYearFormatToken("ggggg","weekYear"),addWeekYearFormatToken("GGGG","isoWeekYear"),addWeekYearFormatToken("GGGGG","isoWeekYear"),addUnitAlias("weekYear","gg"),addUnitAlias("isoWeekYear","GG"),addUnitPriority("weekYear",1),addUnitPriority("isoWeekYear",1),addRegexToken("G",matchSigned),addRegexToken("g",matchSigned),addRegexToken("GG",match1to2,match2),addRegexToken("gg",match1to2,match2),addRegexToken("GGGG",match1to4,match4),addRegexToken("gggg",match1to4,match4),addRegexToken("GGGGG",match1to6,match6),addRegexToken("ggggg",match1to6,match6),addWeekParseToken(["gggg","ggggg","GGGG","GGGGG"],(function(input,week,config,token){week[token.substr(0,2)]=toInt(input)})),addWeekParseToken(["gg","GG"],(function(input,week,config,token){week[token]=hooks.parseTwoDigitYear(input)})),addFormatToken("Q",0,"Qo","quarter"),addUnitAlias("quarter","Q"),addUnitPriority("quarter",7),addRegexToken("Q",match1),addParseToken("Q",(function(input,array){array[1]=3*(toInt(input)-1)})),addFormatToken("D",["DD",2],"Do","date"),addUnitAlias("date","D"),addUnitPriority("date",9),addRegexToken("D",match1to2),addRegexToken("DD",match1to2,match2),addRegexToken("Do",(function(isStrict,locale){return isStrict?locale._dayOfMonthOrdinalParse||locale._ordinalParse:locale._dayOfMonthOrdinalParseLenient})),addParseToken(["D","DD"],2),addParseToken("Do",(function(input,array){array[2]=toInt(input.match(match1to2)[0])}));var getSetDayOfMonth=makeGetSet("Date",!0);addFormatToken("DDD",["DDDD",3],"DDDo","dayOfYear"),addUnitAlias("dayOfYear","DDD"),addUnitPriority("dayOfYear",4),addRegexToken("DDD",match1to3),addRegexToken("DDDD",match3),addParseToken(["DDD","DDDD"],(function(input,array,config){config._dayOfYear=toInt(input)})),addFormatToken("m",["mm",2],0,"minute"),addUnitAlias("minute","m"),addUnitPriority("minute",14),addRegexToken("m",match1to2),addRegexToken("mm",match1to2,match2),addParseToken(["m","mm"],4);var getSetMinute=makeGetSet("Minutes",!1);addFormatToken("s",["ss",2],0,"second"),addUnitAlias("second","s"),addUnitPriority("second",15),addRegexToken("s",match1to2),addRegexToken("ss",match1to2,match2),addParseToken(["s","ss"],5);var token,getSetSecond=makeGetSet("Seconds",!1);for(addFormatToken("S",0,0,(function(){return~~(this.millisecond()/100)})),addFormatToken(0,["SS",2],0,(function(){return~~(this.millisecond()/10)})),addFormatToken(0,["SSS",3],0,"millisecond"),addFormatToken(0,["SSSS",4],0,(function(){return 10*this.millisecond()})),addFormatToken(0,["SSSSS",5],0,(function(){return 100*this.millisecond()})),addFormatToken(0,["SSSSSS",6],0,(function(){return 1e3*this.millisecond()})),addFormatToken(0,["SSSSSSS",7],0,(function(){return 1e4*this.millisecond()})),addFormatToken(0,["SSSSSSSS",8],0,(function(){return 1e5*this.millisecond()})),addFormatToken(0,["SSSSSSSSS",9],0,(function(){return 1e6*this.millisecond()})),addUnitAlias("millisecond","ms"),addUnitPriority("millisecond",16),addRegexToken("S",match1to3,match1),addRegexToken("SS",match1to3,match2),addRegexToken("SSS",match1to3,match3),token="SSSS";token.length<=9;token+="S")addRegexToken(token,matchUnsigned);function parseMs(input,array){array[6]=toInt(1e3*("0."+input))}for(token="S";token.length<=9;token+="S")addParseToken(token,parseMs);var getSetMillisecond=makeGetSet("Milliseconds",!1);addFormatToken("z",0,0,"zoneAbbr"),addFormatToken("zz",0,0,"zoneName");var proto=Moment.prototype;function preParsePostFormat(string){return string}proto.add=add,proto.calendar=function(time,formats){var now=time||createLocal(),sod=cloneWithOffset(now,this).startOf("day"),format=hooks.calendarFormat(this,sod)||"sameElse",output=formats&&(isFunction(formats[format])?formats[format].call(this,now):formats[format]);return this.format(output||this.localeData().calendar(format,this,createLocal(now)))},proto.clone=function(){return new Moment(this)},proto.diff=function(input,units,asFloat){var that,zoneDelta,delta,output;return this.isValid()&&(that=cloneWithOffset(input,this)).isValid()?(zoneDelta=6e4*(that.utcOffset()-this.utcOffset()),"year"===(units=normalizeUnits(units))||"month"===units||"quarter"===units?(output=function(a,b){var adjust,wholeMonthDiff=12*(b.year()-a.year())+(b.month()-a.month()),anchor=a.clone().add(wholeMonthDiff,"months");adjust=b-anchor<0?(b-anchor)/(anchor-a.clone().add(wholeMonthDiff-1,"months")):(b-anchor)/(a.clone().add(wholeMonthDiff+1,"months")-anchor);return-(wholeMonthDiff+adjust)||0}(this,that),"quarter"===units?output/=3:"year"===units&&(output/=12)):(delta=this-that,output="second"===units?delta/1e3:"minute"===units?delta/6e4:"hour"===units?delta/36e5:"day"===units?(delta-zoneDelta)/864e5:"week"===units?(delta-zoneDelta)/6048e5:delta),asFloat?output:absFloor(output)):NaN},proto.endOf=function(units){return void 0===(units=normalizeUnits(units))||"millisecond"===units?this:("date"===units&&(units="day"),this.startOf(units).add(1,"isoWeek"===units?"week":units).subtract(1,"ms"))},proto.format=function(inputString){inputString||(inputString=this.isUtc()?hooks.defaultFormatUtc:hooks.defaultFormat);var output=formatMoment(this,inputString);return this.localeData().postformat(output)},proto.from=function(time,withoutSuffix){return this.isValid()&&(isMoment(time)&&time.isValid()||createLocal(time).isValid())?createDuration({to:this,from:time}).locale(this.locale()).humanize(!withoutSuffix):this.localeData().invalidDate()},proto.fromNow=function(withoutSuffix){return this.from(createLocal(),withoutSuffix)},proto.to=function(time,withoutSuffix){return this.isValid()&&(isMoment(time)&&time.isValid()||createLocal(time).isValid())?createDuration({from:this,to:time}).locale(this.locale()).humanize(!withoutSuffix):this.localeData().invalidDate()},proto.toNow=function(withoutSuffix){return this.to(createLocal(),withoutSuffix)},proto.get=function(units){return isFunction(this[units=normalizeUnits(units)])?this[units]():this},proto.invalidAt=function(){return getParsingFlags(this).overflow},proto.isAfter=function(input,units){var localInput=isMoment(input)?input:createLocal(input);return!(!this.isValid()||!localInput.isValid())&&("millisecond"===(units=normalizeUnits(isUndefined(units)?"millisecond":units))?this.valueOf()>localInput.valueOf():localInput.valueOf()<this.clone().startOf(units).valueOf())},proto.isBefore=function(input,units){var localInput=isMoment(input)?input:createLocal(input);return!(!this.isValid()||!localInput.isValid())&&("millisecond"===(units=normalizeUnits(isUndefined(units)?"millisecond":units))?this.valueOf()<localInput.valueOf():this.clone().endOf(units).valueOf()<localInput.valueOf())},proto.isBetween=function(from,to,units,inclusivity){return("("===(inclusivity=inclusivity||"()")[0]?this.isAfter(from,units):!this.isBefore(from,units))&&(")"===inclusivity[1]?this.isBefore(to,units):!this.isAfter(to,units))},proto.isSame=function(input,units){var inputMs,localInput=isMoment(input)?input:createLocal(input);return!(!this.isValid()||!localInput.isValid())&&("millisecond"===(units=normalizeUnits(units||"millisecond"))?this.valueOf()===localInput.valueOf():(inputMs=localInput.valueOf(),this.clone().startOf(units).valueOf()<=inputMs&&inputMs<=this.clone().endOf(units).valueOf()))},proto.isSameOrAfter=function(input,units){return this.isSame(input,units)||this.isAfter(input,units)},proto.isSameOrBefore=function(input,units){return this.isSame(input,units)||this.isBefore(input,units)},proto.isValid=function(){return isValid(this)},proto.lang=lang,proto.locale=locale,proto.localeData=localeData,proto.max=prototypeMax,proto.min=prototypeMin,proto.parsingFlags=function(){return extend({},getParsingFlags(this))},proto.set=function(units,value){if("object"===_typeof(units))for(var prioritized=function(unitsObj){var units=[];for(var u in unitsObj)units.push({unit:u,priority:priorities[u]});return units.sort((function(a,b){return a.priority-b.priority})),units}(units=normalizeObjectUnits(units)),i=0;i<prioritized.length;i++)this[prioritized[i].unit](units[prioritized[i].unit]);else if(isFunction(this[units=normalizeUnits(units)]))return this[units](value);return this},proto.startOf=function(units){switch(units=normalizeUnits(units)){case"year":this.month(0);case"quarter":case"month":this.date(1);case"week":case"isoWeek":case"day":case"date":this.hours(0);case"hour":this.minutes(0);case"minute":this.seconds(0);case"second":this.milliseconds(0)}return"week"===units&&this.weekday(0),"isoWeek"===units&&this.isoWeekday(1),"quarter"===units&&this.month(3*Math.floor(this.month()/3)),this},proto.subtract=subtract,proto.toArray=function(){var m=this;return[m.year(),m.month(),m.date(),m.hour(),m.minute(),m.second(),m.millisecond()]},proto.toObject=function(){var m=this;return{years:m.year(),months:m.month(),date:m.date(),hours:m.hours(),minutes:m.minutes(),seconds:m.seconds(),milliseconds:m.milliseconds()}},proto.toDate=function(){return new Date(this.valueOf())},proto.toISOString=function(){if(!this.isValid())return null;var m=this.clone().utc();return m.year()<0||m.year()>9999?formatMoment(m,"YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]"):isFunction(Date.prototype.toISOString)?this.toDate().toISOString():formatMoment(m,"YYYY-MM-DD[T]HH:mm:ss.SSS[Z]")},proto.inspect=function(){if(!this.isValid())return"moment.invalid(/* "+this._i+" */)";var func="moment",zone="";this.isLocal()||(func=0===this.utcOffset()?"moment.utc":"moment.parseZone",zone="Z");var prefix="["+func+'("]',year=0<=this.year()&&this.year()<=9999?"YYYY":"YYYYYY",suffix=zone+'[")]';return this.format(prefix+year+"-MM-DD[T]HH:mm:ss.SSS"+suffix)},proto.toJSON=function(){return this.isValid()?this.toISOString():null},proto.toString=function(){return this.clone().locale("en").format("ddd MMM DD YYYY HH:mm:ss [GMT]ZZ")},proto.unix=function(){return Math.floor(this.valueOf()/1e3)},proto.valueOf=function(){return this._d.valueOf()-6e4*(this._offset||0)},proto.creationData=function(){return{input:this._i,format:this._f,locale:this._locale,isUTC:this._isUTC,strict:this._strict}},proto.year=getSetYear,proto.isLeapYear=function(){return isLeapYear(this.year())},proto.weekYear=function(input){return getSetWeekYearHelper.call(this,input,this.week(),this.weekday(),this.localeData()._week.dow,this.localeData()._week.doy)},proto.isoWeekYear=function(input){return getSetWeekYearHelper.call(this,input,this.isoWeek(),this.isoWeekday(),1,4)},proto.quarter=proto.quarters=function(input){return null==input?Math.ceil((this.month()+1)/3):this.month(3*(input-1)+this.month()%3)},proto.month=getSetMonth,proto.daysInMonth=function(){return daysInMonth(this.year(),this.month())},proto.week=proto.weeks=function(input){var week=this.localeData().week(this);return null==input?week:this.add(7*(input-week),"d")},proto.isoWeek=proto.isoWeeks=function(input){var week=weekOfYear(this,1,4).week;return null==input?week:this.add(7*(input-week),"d")},proto.weeksInYear=function(){var weekInfo=this.localeData()._week;return weeksInYear(this.year(),weekInfo.dow,weekInfo.doy)},proto.isoWeeksInYear=function(){return weeksInYear(this.year(),1,4)},proto.date=getSetDayOfMonth,proto.day=proto.days=function(input){if(!this.isValid())return null!=input?this:NaN;var day=this._isUTC?this._d.getUTCDay():this._d.getDay();return null!=input?(input=function(input,locale){return"string"!=typeof input?input:isNaN(input)?"number"==typeof(input=locale.weekdaysParse(input))?input:null:parseInt(input,10)}(input,this.localeData()),this.add(input-day,"d")):day},proto.weekday=function(input){if(!this.isValid())return null!=input?this:NaN;var weekday=(this.day()+7-this.localeData()._week.dow)%7;return null==input?weekday:this.add(input-weekday,"d")},proto.isoWeekday=function(input){if(!this.isValid())return null!=input?this:NaN;if(null!=input){var weekday=function(input,locale){return"string"==typeof input?locale.weekdaysParse(input)%7||7:isNaN(input)?null:input}(input,this.localeData());return this.day(this.day()%7?weekday:weekday-7)}return this.day()||7},proto.dayOfYear=function(input){var dayOfYear=Math.round((this.clone().startOf("day")-this.clone().startOf("year"))/864e5)+1;return null==input?dayOfYear:this.add(input-dayOfYear,"d")},proto.hour=proto.hours=getSetHour,proto.minute=proto.minutes=getSetMinute,proto.second=proto.seconds=getSetSecond,proto.millisecond=proto.milliseconds=getSetMillisecond,proto.utcOffset=function(input,keepLocalTime,keepMinutes){var localAdjust,offset=this._offset||0;if(!this.isValid())return null!=input?this:NaN;if(null!=input){if("string"==typeof input){if(null===(input=offsetFromString(matchShortOffset,input)))return this}else Math.abs(input)<16&&!keepMinutes&&(input*=60);return!this._isUTC&&keepLocalTime&&(localAdjust=getDateOffset(this)),this._offset=input,this._isUTC=!0,null!=localAdjust&&this.add(localAdjust,"m"),offset!==input&&(!keepLocalTime||this._changeInProgress?addSubtract(this,createDuration(input-offset,"m"),1,!1):this._changeInProgress||(this._changeInProgress=!0,hooks.updateOffset(this,!0),this._changeInProgress=null)),this}return this._isUTC?offset:getDateOffset(this)},proto.utc=function(keepLocalTime){return this.utcOffset(0,keepLocalTime)},proto.local=function(keepLocalTime){return this._isUTC&&(this.utcOffset(0,keepLocalTime),this._isUTC=!1,keepLocalTime&&this.subtract(getDateOffset(this),"m")),this},proto.parseZone=function(){if(null!=this._tzm)this.utcOffset(this._tzm,!1,!0);else if("string"==typeof this._i){var tZone=offsetFromString(matchOffset,this._i);null!=tZone?this.utcOffset(tZone):this.utcOffset(0,!0)}return this},proto.hasAlignedHourOffset=function(input){return!!this.isValid()&&(input=input?createLocal(input).utcOffset():0,(this.utcOffset()-input)%60==0)},proto.isDST=function(){return this.utcOffset()>this.clone().month(0).utcOffset()||this.utcOffset()>this.clone().month(5).utcOffset()},proto.isLocal=function(){return!!this.isValid()&&!this._isUTC},proto.isUtcOffset=function(){return!!this.isValid()&&this._isUTC},proto.isUtc=isUtc,proto.isUTC=isUtc,proto.zoneAbbr=function(){return this._isUTC?"UTC":""},proto.zoneName=function(){return this._isUTC?"Coordinated Universal Time":""},proto.dates=deprecate("dates accessor is deprecated. Use date instead.",getSetDayOfMonth),proto.months=deprecate("months accessor is deprecated. Use month instead",getSetMonth),proto.years=deprecate("years accessor is deprecated. Use year instead",getSetYear),proto.zone=deprecate("moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/",(function(input,keepLocalTime){return null!=input?("string"!=typeof input&&(input=-input),this.utcOffset(input,keepLocalTime),this):-this.utcOffset()})),proto.isDSTShifted=deprecate("isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information",(function(){if(!isUndefined(this._isDSTShifted))return this._isDSTShifted;var c={};if(copyConfig(c,this),(c=prepareConfig(c))._a){var other=c._isUTC?createUTC(c._a):createLocal(c._a);this._isDSTShifted=this.isValid()&&compareArrays(c._a,other.toArray())>0}else this._isDSTShifted=!1;return this._isDSTShifted}));var proto$1=Locale.prototype;function get$1(format,index,field,setter){var locale=getLocale(),utc=createUTC().set(setter,index);return locale[field](utc,format)}function listMonthsImpl(format,index,field){if(isNumber(format)&&(index=format,format=void 0),format=format||"",null!=index)return get$1(format,index,field,"month");var i,out=[];for(i=0;i<12;i++)out[i]=get$1(format,i,field,"month");return out}function listWeekdaysImpl(localeSorted,format,index,field){"boolean"==typeof localeSorted?(isNumber(format)&&(index=format,format=void 0),format=format||""):(index=format=localeSorted,localeSorted=!1,isNumber(format)&&(index=format,format=void 0),format=format||"");var i,locale=getLocale(),shift=localeSorted?locale._week.dow:0;if(null!=index)return get$1(format,(index+shift)%7,field,"day");var out=[];for(i=0;i<7;i++)out[i]=get$1(format,(i+shift)%7,field,"day");return out}proto$1.calendar=function(key,mom,now){var output=this._calendar[key]||this._calendar.sameElse;return isFunction(output)?output.call(mom,now):output},proto$1.longDateFormat=function(key){var format=this._longDateFormat[key],formatUpper=this._longDateFormat[key.toUpperCase()];return format||!formatUpper?format:(this._longDateFormat[key]=formatUpper.replace(/MMMM|MM|DD|dddd/g,(function(val){return val.slice(1)})),this._longDateFormat[key])},proto$1.invalidDate=function(){return this._invalidDate},proto$1.ordinal=function(number){return this._ordinal.replace("%d",number)},proto$1.preparse=preParsePostFormat,proto$1.postformat=preParsePostFormat,proto$1.relativeTime=function(number,withoutSuffix,string,isFuture){var output=this._relativeTime[string];return isFunction(output)?output(number,withoutSuffix,string,isFuture):output.replace(/%d/i,number)},proto$1.pastFuture=function(diff,output){var format=this._relativeTime[diff>0?"future":"past"];return isFunction(format)?format(output):format.replace(/%s/i,output)},proto$1.set=function(config){var prop,i;for(i in config)isFunction(prop=config[i])?this[i]=prop:this["_"+i]=prop;this._config=config,this._dayOfMonthOrdinalParseLenient=new RegExp((this._dayOfMonthOrdinalParse.source||this._ordinalParse.source)+"|"+/\d{1,2}/.source)},proto$1.months=function(m,format){return m?isArray(this._months)?this._months[m.month()]:this._months[(this._months.isFormat||MONTHS_IN_FORMAT).test(format)?"format":"standalone"][m.month()]:isArray(this._months)?this._months:this._months.standalone},proto$1.monthsShort=function(m,format){return m?isArray(this._monthsShort)?this._monthsShort[m.month()]:this._monthsShort[MONTHS_IN_FORMAT.test(format)?"format":"standalone"][m.month()]:isArray(this._monthsShort)?this._monthsShort:this._monthsShort.standalone},proto$1.monthsParse=function(monthName,format,strict){var i,mom,regex;if(this._monthsParseExact)return handleStrictParse.call(this,monthName,format,strict);for(this._monthsParse||(this._monthsParse=[],this._longMonthsParse=[],this._shortMonthsParse=[]),i=0;i<12;i++){if(mom=createUTC([2e3,i]),strict&&!this._longMonthsParse[i]&&(this._longMonthsParse[i]=new RegExp("^"+this.months(mom,"").replace(".","")+"$","i"),this._shortMonthsParse[i]=new RegExp("^"+this.monthsShort(mom,"").replace(".","")+"$","i")),strict||this._monthsParse[i]||(regex="^"+this.months(mom,"")+"|^"+this.monthsShort(mom,""),this._monthsParse[i]=new RegExp(regex.replace(".",""),"i")),strict&&"MMMM"===format&&this._longMonthsParse[i].test(monthName))return i;if(strict&&"MMM"===format&&this._shortMonthsParse[i].test(monthName))return i;if(!strict&&this._monthsParse[i].test(monthName))return i}},proto$1.monthsRegex=function(isStrict){return this._monthsParseExact?(hasOwnProp(this,"_monthsRegex")||computeMonthsParse.call(this),isStrict?this._monthsStrictRegex:this._monthsRegex):(hasOwnProp(this,"_monthsRegex")||(this._monthsRegex=defaultMonthsRegex),this._monthsStrictRegex&&isStrict?this._monthsStrictRegex:this._monthsRegex)},proto$1.monthsShortRegex=function(isStrict){return this._monthsParseExact?(hasOwnProp(this,"_monthsRegex")||computeMonthsParse.call(this),isStrict?this._monthsShortStrictRegex:this._monthsShortRegex):(hasOwnProp(this,"_monthsShortRegex")||(this._monthsShortRegex=defaultMonthsShortRegex),this._monthsShortStrictRegex&&isStrict?this._monthsShortStrictRegex:this._monthsShortRegex)},proto$1.week=function(mom){return weekOfYear(mom,this._week.dow,this._week.doy).week},proto$1.firstDayOfYear=function(){return this._week.doy},proto$1.firstDayOfWeek=function(){return this._week.dow},proto$1.weekdays=function(m,format){return m?isArray(this._weekdays)?this._weekdays[m.day()]:this._weekdays[this._weekdays.isFormat.test(format)?"format":"standalone"][m.day()]:isArray(this._weekdays)?this._weekdays:this._weekdays.standalone},proto$1.weekdaysMin=function(m){return m?this._weekdaysMin[m.day()]:this._weekdaysMin},proto$1.weekdaysShort=function(m){return m?this._weekdaysShort[m.day()]:this._weekdaysShort},proto$1.weekdaysParse=function(weekdayName,format,strict){var i,mom,regex;if(this._weekdaysParseExact)return handleStrictParse$1.call(this,weekdayName,format,strict);for(this._weekdaysParse||(this._weekdaysParse=[],this._minWeekdaysParse=[],this._shortWeekdaysParse=[],this._fullWeekdaysParse=[]),i=0;i<7;i++){if(mom=createUTC([2e3,1]).day(i),strict&&!this._fullWeekdaysParse[i]&&(this._fullWeekdaysParse[i]=new RegExp("^"+this.weekdays(mom,"").replace(".",".?")+"$","i"),this._shortWeekdaysParse[i]=new RegExp("^"+this.weekdaysShort(mom,"").replace(".",".?")+"$","i"),this._minWeekdaysParse[i]=new RegExp("^"+this.weekdaysMin(mom,"").replace(".",".?")+"$","i")),this._weekdaysParse[i]||(regex="^"+this.weekdays(mom,"")+"|^"+this.weekdaysShort(mom,"")+"|^"+this.weekdaysMin(mom,""),this._weekdaysParse[i]=new RegExp(regex.replace(".",""),"i")),strict&&"dddd"===format&&this._fullWeekdaysParse[i].test(weekdayName))return i;if(strict&&"ddd"===format&&this._shortWeekdaysParse[i].test(weekdayName))return i;if(strict&&"dd"===format&&this._minWeekdaysParse[i].test(weekdayName))return i;if(!strict&&this._weekdaysParse[i].test(weekdayName))return i}},proto$1.weekdaysRegex=function(isStrict){return this._weekdaysParseExact?(hasOwnProp(this,"_weekdaysRegex")||computeWeekdaysParse.call(this),isStrict?this._weekdaysStrictRegex:this._weekdaysRegex):(hasOwnProp(this,"_weekdaysRegex")||(this._weekdaysRegex=defaultWeekdaysRegex),this._weekdaysStrictRegex&&isStrict?this._weekdaysStrictRegex:this._weekdaysRegex)},proto$1.weekdaysShortRegex=function(isStrict){return this._weekdaysParseExact?(hasOwnProp(this,"_weekdaysRegex")||computeWeekdaysParse.call(this),isStrict?this._weekdaysShortStrictRegex:this._weekdaysShortRegex):(hasOwnProp(this,"_weekdaysShortRegex")||(this._weekdaysShortRegex=defaultWeekdaysShortRegex),this._weekdaysShortStrictRegex&&isStrict?this._weekdaysShortStrictRegex:this._weekdaysShortRegex)},proto$1.weekdaysMinRegex=function(isStrict){return this._weekdaysParseExact?(hasOwnProp(this,"_weekdaysRegex")||computeWeekdaysParse.call(this),isStrict?this._weekdaysMinStrictRegex:this._weekdaysMinRegex):(hasOwnProp(this,"_weekdaysMinRegex")||(this._weekdaysMinRegex=defaultWeekdaysMinRegex),this._weekdaysMinStrictRegex&&isStrict?this._weekdaysMinStrictRegex:this._weekdaysMinRegex)},proto$1.isPM=function(input){return"p"===(input+"").toLowerCase().charAt(0)},proto$1.meridiem=function(hours,minutes,isLower){return hours>11?isLower?"pm":"PM":isLower?"am":"AM"},getSetGlobalLocale("en",{dayOfMonthOrdinalParse:/\d{1,2}(th|st|nd|rd)/,ordinal:function(number){var b=number%10;return number+(1===toInt(number%100/10)?"th":1===b?"st":2===b?"nd":3===b?"rd":"th")}}),hooks.lang=deprecate("moment.lang is deprecated. Use moment.locale instead.",getSetGlobalLocale),hooks.langData=deprecate("moment.langData is deprecated. Use moment.localeData instead.",getLocale);var mathAbs=Math.abs;function addSubtract$1(duration,input,value,direction){var other=createDuration(input,value);return duration._milliseconds+=direction*other._milliseconds,duration._days+=direction*other._days,duration._months+=direction*other._months,duration._bubble()}function absCeil(number){return number<0?Math.floor(number):Math.ceil(number)}function daysToMonths(days){return 4800*days/146097}function monthsToDays(months){return 146097*months/4800}function makeAs(alias){return function(){return this.as(alias)}}var asMilliseconds=makeAs("ms"),asSeconds=makeAs("s"),asMinutes=makeAs("m"),asHours=makeAs("h"),asDays=makeAs("d"),asWeeks=makeAs("w"),asMonths=makeAs("M"),asYears=makeAs("y");function makeGetter(name){return function(){return this.isValid()?this._data[name]:NaN}}var milliseconds=makeGetter("milliseconds"),seconds=makeGetter("seconds"),minutes=makeGetter("minutes"),hours=makeGetter("hours"),days=makeGetter("days"),months=makeGetter("months"),years=makeGetter("years");var round=Math.round,thresholds={ss:44,s:45,m:45,h:22,d:26,M:11};function substituteTimeAgo(string,number,withoutSuffix,isFuture,locale){return locale.relativeTime(number||1,!!withoutSuffix,string,isFuture)}var abs$1=Math.abs;function toISOString$1(){if(!this.isValid())return this.localeData().invalidDate();var minutes,hours,seconds=abs$1(this._milliseconds)/1e3,days=abs$1(this._days),months=abs$1(this._months);minutes=absFloor(seconds/60),hours=absFloor(minutes/60),seconds%=60,minutes%=60;var Y=absFloor(months/12),M=months%=12,D=days,h=hours,m=minutes,s=seconds,total=this.asSeconds();return total?(total<0?"-":"")+"P"+(Y?Y+"Y":"")+(M?M+"M":"")+(D?D+"D":"")+(h||m||s?"T":"")+(h?h+"H":"")+(m?m+"M":"")+(s?s+"S":""):"P0D"}var proto$2=Duration.prototype;return proto$2.isValid=function(){return this._isValid},proto$2.abs=function(){var data=this._data;return this._milliseconds=mathAbs(this._milliseconds),this._days=mathAbs(this._days),this._months=mathAbs(this._months),data.milliseconds=mathAbs(data.milliseconds),data.seconds=mathAbs(data.seconds),data.minutes=mathAbs(data.minutes),data.hours=mathAbs(data.hours),data.months=mathAbs(data.months),data.years=mathAbs(data.years),this},proto$2.add=function(input,value){return addSubtract$1(this,input,value,1)},proto$2.subtract=function(input,value){return addSubtract$1(this,input,value,-1)},proto$2.as=function(units){if(!this.isValid())return NaN;var days,months,milliseconds=this._milliseconds;if("month"===(units=normalizeUnits(units))||"year"===units)return days=this._days+milliseconds/864e5,months=this._months+daysToMonths(days),"month"===units?months:months/12;switch(days=this._days+Math.round(monthsToDays(this._months)),units){case"week":return days/7+milliseconds/6048e5;case"day":return days+milliseconds/864e5;case"hour":return 24*days+milliseconds/36e5;case"minute":return 1440*days+milliseconds/6e4;case"second":return 86400*days+milliseconds/1e3;case"millisecond":return Math.floor(864e5*days)+milliseconds;default:throw new Error("Unknown unit "+units)}},proto$2.asMilliseconds=asMilliseconds,proto$2.asSeconds=asSeconds,proto$2.asMinutes=asMinutes,proto$2.asHours=asHours,proto$2.asDays=asDays,proto$2.asWeeks=asWeeks,proto$2.asMonths=asMonths,proto$2.asYears=asYears,proto$2.valueOf=function(){return this.isValid()?this._milliseconds+864e5*this._days+this._months%12*2592e6+31536e6*toInt(this._months/12):NaN},proto$2._bubble=function(){var seconds,minutes,hours,years,monthsFromDays,milliseconds=this._milliseconds,days=this._days,months=this._months,data=this._data;return milliseconds>=0&&days>=0&&months>=0||milliseconds<=0&&days<=0&&months<=0||(milliseconds+=864e5*absCeil(monthsToDays(months)+days),days=0,months=0),data.milliseconds=milliseconds%1e3,seconds=absFloor(milliseconds/1e3),data.seconds=seconds%60,minutes=absFloor(seconds/60),data.minutes=minutes%60,hours=absFloor(minutes/60),data.hours=hours%24,days+=absFloor(hours/24),months+=monthsFromDays=absFloor(daysToMonths(days)),days-=absCeil(monthsToDays(monthsFromDays)),years=absFloor(months/12),months%=12,data.days=days,data.months=months,data.years=years,this},proto$2.get=function(units){return units=normalizeUnits(units),this.isValid()?this[units+"s"]():NaN},proto$2.milliseconds=milliseconds,proto$2.seconds=seconds,proto$2.minutes=minutes,proto$2.hours=hours,proto$2.days=days,proto$2.weeks=function(){return absFloor(this.days()/7)},proto$2.months=months,proto$2.years=years,proto$2.humanize=function(withSuffix){if(!this.isValid())return this.localeData().invalidDate();var locale=this.localeData(),output=function(posNegDuration,withoutSuffix,locale){var duration=createDuration(posNegDuration).abs(),seconds=round(duration.as("s")),minutes=round(duration.as("m")),hours=round(duration.as("h")),days=round(duration.as("d")),months=round(duration.as("M")),years=round(duration.as("y")),a=seconds<=thresholds.ss&&["s",seconds]||seconds<thresholds.s&&["ss",seconds]||minutes<=1&&["m"]||minutes<thresholds.m&&["mm",minutes]||hours<=1&&["h"]||hours<thresholds.h&&["hh",hours]||days<=1&&["d"]||days<thresholds.d&&["dd",days]||months<=1&&["M"]||months<thresholds.M&&["MM",months]||years<=1&&["y"]||["yy",years];return a[2]=withoutSuffix,a[3]=+posNegDuration>0,a[4]=locale,substituteTimeAgo.apply(null,a)}(this,!withSuffix,locale);return withSuffix&&(output=locale.pastFuture(+this,output)),locale.postformat(output)},proto$2.toISOString=toISOString$1,proto$2.toString=toISOString$1,proto$2.toJSON=toISOString$1,proto$2.locale=locale,proto$2.localeData=localeData,proto$2.toIsoString=deprecate("toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)",toISOString$1),proto$2.lang=lang,addFormatToken("X",0,0,"unix"),addFormatToken("x",0,0,"valueOf"),addRegexToken("x",matchSigned),addRegexToken("X",/[+-]?\d+(\.\d{1,3})?/),addParseToken("X",(function(input,array,config){config._d=new Date(1e3*parseFloat(input,10))})),addParseToken("x",(function(input,array,config){config._d=new Date(toInt(input))})),hooks.version="2.18.1",hookCallback=createLocal,hooks.fn=proto,hooks.min=function(){var args=[].slice.call(arguments,0);return pickBy("isBefore",args)},hooks.max=function(){var args=[].slice.call(arguments,0);return pickBy("isAfter",args)},hooks.now=function(){return Date.now?Date.now():+new Date},hooks.utc=createUTC,hooks.unix=function(input){return createLocal(1e3*input)},hooks.months=function(format,index){return listMonthsImpl(format,index,"months")},hooks.isDate=isDate,hooks.locale=getSetGlobalLocale,hooks.invalid=createInvalid,hooks.duration=createDuration,hooks.isMoment=isMoment,hooks.weekdays=function(localeSorted,format,index){return listWeekdaysImpl(localeSorted,format,index,"weekdays")},hooks.parseZone=function(){return createLocal.apply(null,arguments).parseZone()},hooks.localeData=getLocale,hooks.isDuration=isDuration,hooks.monthsShort=function(format,index){return listMonthsImpl(format,index,"monthsShort")},hooks.weekdaysMin=function(localeSorted,format,index){return listWeekdaysImpl(localeSorted,format,index,"weekdaysMin")},hooks.defineLocale=defineLocale,hooks.updateLocale=function(name,config){if(null!=config){var locale,parentConfig=baseConfig;null!=locales[name]&&(parentConfig=locales[name]._config),(locale=new Locale(config=mergeConfigs(parentConfig,config))).parentLocale=locales[name],locales[name]=locale,getSetGlobalLocale(name)}else null!=locales[name]&&(null!=locales[name].parentLocale?locales[name]=locales[name].parentLocale:null!=locales[name]&&delete locales[name]);return locales[name]},hooks.locales=function(){return keys$1(locales)},hooks.weekdaysShort=function(localeSorted,format,index){return listWeekdaysImpl(localeSorted,format,index,"weekdaysShort")},hooks.normalizeUnits=normalizeUnits,hooks.relativeTimeRounding=function(roundingFunction){return void 0===roundingFunction?round:"function"==typeof roundingFunction&&(round=roundingFunction,!0)},hooks.relativeTimeThreshold=function(threshold,limit){return void 0!==thresholds[threshold]&&(void 0===limit?thresholds[threshold]:(thresholds[threshold]=limit,"s"===threshold&&(thresholds.ss=limit-1),!0))},hooks.calendarFormat=function(myMoment,now){var diff=myMoment.diff(now,"days",!0);return diff<-6?"sameElse":diff<-1?"lastWeek":diff<0?"lastDay":diff<1?"sameDay":diff<2?"nextDay":diff<7?"nextWeek":"sameElse"},hooks.prototype=proto,hooks}))},{}],7:[function(require,module,exports){var Chart=require(29)();Chart.helpers=require(45),require(27)(Chart),Chart.defaults=require(25),Chart.Element=require(26),Chart.elements=require(40),Chart.Interaction=require(28),Chart.platform=require(48),require(31)(Chart),require(22)(Chart),require(23)(Chart),require(24)(Chart),require(30)(Chart),require(33)(Chart),require(32)(Chart),require(35)(Chart),require(54)(Chart),require(52)(Chart),require(53)(Chart),require(55)(Chart),require(56)(Chart),require(57)(Chart),require(15)(Chart),require(16)(Chart),require(17)(Chart),require(18)(Chart),require(19)(Chart),require(20)(Chart),require(21)(Chart),require(8)(Chart),require(9)(Chart),require(10)(Chart),require(11)(Chart),require(12)(Chart),require(13)(Chart),require(14)(Chart);var plugins=[];plugins.push(require(49)(Chart),require(50)(Chart),require(51)(Chart)),Chart.plugins.register(plugins),Chart.platform.initialize(),module.exports=Chart,"undefined"!=typeof window&&(window.Chart=Chart),Chart.canvasHelpers=Chart.helpers.canvas},{10:10,11:11,12:12,13:13,14:14,15:15,16:16,17:17,18:18,19:19,20:20,21:21,22:22,23:23,24:24,25:25,26:26,27:27,28:28,29:29,30:30,31:31,32:32,33:33,35:35,40:40,45:45,48:48,49:49,50:50,51:51,52:52,53:53,54:54,55:55,56:56,57:57,8:8,9:9}],8:[function(require,module,exports){module.exports=function(Chart){Chart.Bar=function(context,config){return config.type="bar",new Chart(context,config)}}},{}],9:[function(require,module,exports){module.exports=function(Chart){Chart.Bubble=function(context,config){return config.type="bubble",new Chart(context,config)}}},{}],10:[function(require,module,exports){module.exports=function(Chart){Chart.Doughnut=function(context,config){return config.type="doughnut",new Chart(context,config)}}},{}],11:[function(require,module,exports){module.exports=function(Chart){Chart.Line=function(context,config){return config.type="line",new Chart(context,config)}}},{}],12:[function(require,module,exports){module.exports=function(Chart){Chart.PolarArea=function(context,config){return config.type="polarArea",new Chart(context,config)}}},{}],13:[function(require,module,exports){module.exports=function(Chart){Chart.Radar=function(context,config){return config.type="radar",new Chart(context,config)}}},{}],14:[function(require,module,exports){module.exports=function(Chart){Chart.Scatter=function(context,config){return config.type="scatter",new Chart(context,config)}}},{}],15:[function(require,module,exports){var defaults=require(25),elements=require(40),helpers=require(45);defaults._set("bar",{hover:{mode:"label"},scales:{xAxes:[{type:"category",categoryPercentage:.8,barPercentage:.9,offset:!0,gridLines:{offsetGridLines:!0}}],yAxes:[{type:"linear"}]}}),defaults._set("horizontalBar",{hover:{mode:"index",axis:"y"},scales:{xAxes:[{type:"linear",position:"bottom"}],yAxes:[{position:"left",type:"category",categoryPercentage:.8,barPercentage:.9,offset:!0,gridLines:{offsetGridLines:!0}}]},elements:{rectangle:{borderSkipped:"left"}},tooltips:{callbacks:{title:function(item,data){var title="";return item.length>0&&(item[0].yLabel?title=item[0].yLabel:data.labels.length>0&&item[0].index<data.labels.length&&(title=data.labels[item[0].index])),title},label:function(item,data){return(data.datasets[item.datasetIndex].label||"")+": "+item.xLabel}},mode:"index",axis:"y"}}),module.exports=function(Chart){Chart.controllers.bar=Chart.DatasetController.extend({dataElementType:elements.Rectangle,initialize:function(){var meta,me=this;Chart.DatasetController.prototype.initialize.apply(me,arguments),(meta=me.getMeta()).stack=me.getDataset().stack,meta.bar=!0},update:function(reset){var i,ilen,rects=this.getMeta().data;for(this._ruler=this.getRuler(),i=0,ilen=rects.length;i<ilen;++i)this.updateElement(rects[i],i,reset)},updateElement:function(rectangle,index,reset){var me=this,chart=me.chart,meta=me.getMeta(),dataset=me.getDataset(),custom=rectangle.custom||{},rectangleOptions=chart.options.elements.rectangle;rectangle._xScale=me.getScaleForId(meta.xAxisID),rectangle._yScale=me.getScaleForId(meta.yAxisID),rectangle._datasetIndex=me.index,rectangle._index=index,rectangle._model={datasetLabel:dataset.label,label:chart.data.labels[index],borderSkipped:custom.borderSkipped?custom.borderSkipped:rectangleOptions.borderSkipped,backgroundColor:custom.backgroundColor?custom.backgroundColor:helpers.valueAtIndexOrDefault(dataset.backgroundColor,index,rectangleOptions.backgroundColor),borderColor:custom.borderColor?custom.borderColor:helpers.valueAtIndexOrDefault(dataset.borderColor,index,rectangleOptions.borderColor),borderWidth:custom.borderWidth?custom.borderWidth:helpers.valueAtIndexOrDefault(dataset.borderWidth,index,rectangleOptions.borderWidth)},me.updateElementGeometry(rectangle,index,reset),rectangle.pivot()},updateElementGeometry:function(rectangle,index,reset){var me=this,model=rectangle._model,vscale=me.getValueScale(),base=vscale.getBasePixel(),horizontal=vscale.isHorizontal(),ruler=me._ruler||me.getRuler(),vpixels=me.calculateBarValuePixels(me.index,index),ipixels=me.calculateBarIndexPixels(me.index,index,ruler);model.horizontal=horizontal,model.base=reset?base:vpixels.base,model.x=horizontal?reset?base:vpixels.head:ipixels.center,model.y=horizontal?ipixels.center:reset?base:vpixels.head,model.height=horizontal?ipixels.size:void 0,model.width=horizontal?void 0:ipixels.size},getValueScaleId:function(){return this.getMeta().yAxisID},getIndexScaleId:function(){return this.getMeta().xAxisID},getValueScale:function(){return this.getScaleForId(this.getValueScaleId())},getIndexScale:function(){return this.getScaleForId(this.getIndexScaleId())},getStackCount:function(last){var i,meta,chart=this.chart,stacked=this.getIndexScale().options.stacked,ilen=void 0===last?chart.data.datasets.length:last+1,stacks=[];for(i=0;i<ilen;++i)(meta=chart.getDatasetMeta(i)).bar&&chart.isDatasetVisible(i)&&(!1===stacked||!0===stacked&&-1===stacks.indexOf(meta.stack)||void 0===stacked&&(void 0===meta.stack||-1===stacks.indexOf(meta.stack)))&&stacks.push(meta.stack);return stacks.length},getStackIndex:function(datasetIndex){return this.getStackCount(datasetIndex)-1},getRuler:function(){var i,ilen,scale=this.getIndexScale(),stackCount=this.getStackCount(),datasetIndex=this.index,pixels=[],isHorizontal=scale.isHorizontal(),start=isHorizontal?scale.left:scale.top,end=start+(isHorizontal?scale.width:scale.height);for(i=0,ilen=this.getMeta().data.length;i<ilen;++i)pixels.push(scale.getPixelForValue(null,i,datasetIndex));return{pixels:pixels,start:start,end:end,stackCount:stackCount,scale:scale}},calculateBarValuePixels:function(datasetIndex,index){var i,imeta,ivalue,base,head,size,chart=this.chart,meta=this.getMeta(),scale=this.getValueScale(),datasets=chart.data.datasets,value=scale.getRightValue(datasets[datasetIndex].data[index]),stacked=scale.options.stacked,stack=meta.stack,start=0;if(stacked||void 0===stacked&&void 0!==stack)for(i=0;i<datasetIndex;++i)(imeta=chart.getDatasetMeta(i)).bar&&imeta.stack===stack&&imeta.controller.getValueScaleId()===scale.id&&chart.isDatasetVisible(i)&&(ivalue=scale.getRightValue(datasets[i].data[index]),(value<0&&ivalue<0||value>=0&&ivalue>0)&&(start+=ivalue));return base=scale.getPixelForValue(start),{size:size=((head=scale.getPixelForValue(start+value))-base)/2,base:base,head:head,center:head+size/2}},calculateBarIndexPixels:function(datasetIndex,index,ruler){var leftSampleSize,rightSampleSize,leftCategorySize,fullBarSize,size,options=ruler.scale.options,stackIndex=this.getStackIndex(datasetIndex),pixels=ruler.pixels,base=pixels[index],length=pixels.length,start=ruler.start,end=ruler.end;return 1===length?(leftSampleSize=base>start?base-start:end-base,rightSampleSize=base<end?end-base:base-start):(index>0&&(leftSampleSize=(base-pixels[index-1])/2,index===length-1&&(rightSampleSize=leftSampleSize)),index<length-1&&(rightSampleSize=(pixels[index+1]-base)/2,0===index&&(leftSampleSize=rightSampleSize))),size=(fullBarSize=((leftCategorySize=leftSampleSize*options.categoryPercentage)+rightSampleSize*options.categoryPercentage)/ruler.stackCount)*options.barPercentage,base-=leftCategorySize,base+=fullBarSize*stackIndex,{size:size=Math.min(helpers.valueOrDefault(options.barThickness,size),helpers.valueOrDefault(options.maxBarThickness,1/0)),base:base+=(fullBarSize-size)/2,head:base+size,center:base+size/2}},draw:function(){var chart=this.chart,scale=this.getValueScale(),rects=this.getMeta().data,dataset=this.getDataset(),ilen=rects.length,i=0;for(helpers.canvas.clipArea(chart.ctx,chart.chartArea);i<ilen;++i)isNaN(scale.getRightValue(dataset.data[i]))||rects[i].draw();helpers.canvas.unclipArea(chart.ctx)},setHoverStyle:function(rectangle){var dataset=this.chart.data.datasets[rectangle._datasetIndex],index=rectangle._index,custom=rectangle.custom||{},model=rectangle._model;model.backgroundColor=custom.hoverBackgroundColor?custom.hoverBackgroundColor:helpers.valueAtIndexOrDefault(dataset.hoverBackgroundColor,index,helpers.getHoverColor(model.backgroundColor)),model.borderColor=custom.hoverBorderColor?custom.hoverBorderColor:helpers.valueAtIndexOrDefault(dataset.hoverBorderColor,index,helpers.getHoverColor(model.borderColor)),model.borderWidth=custom.hoverBorderWidth?custom.hoverBorderWidth:helpers.valueAtIndexOrDefault(dataset.hoverBorderWidth,index,model.borderWidth)},removeHoverStyle:function(rectangle){var dataset=this.chart.data.datasets[rectangle._datasetIndex],index=rectangle._index,custom=rectangle.custom||{},model=rectangle._model,rectangleElementOptions=this.chart.options.elements.rectangle;model.backgroundColor=custom.backgroundColor?custom.backgroundColor:helpers.valueAtIndexOrDefault(dataset.backgroundColor,index,rectangleElementOptions.backgroundColor),model.borderColor=custom.borderColor?custom.borderColor:helpers.valueAtIndexOrDefault(dataset.borderColor,index,rectangleElementOptions.borderColor),model.borderWidth=custom.borderWidth?custom.borderWidth:helpers.valueAtIndexOrDefault(dataset.borderWidth,index,rectangleElementOptions.borderWidth)}}),Chart.controllers.horizontalBar=Chart.controllers.bar.extend({getValueScaleId:function(){return this.getMeta().xAxisID},getIndexScaleId:function(){return this.getMeta().yAxisID}})}},{25:25,40:40,45:45}],16:[function(require,module,exports){var defaults=require(25),elements=require(40),helpers=require(45);defaults._set("bubble",{hover:{mode:"single"},scales:{xAxes:[{type:"linear",position:"bottom",id:"x-axis-0"}],yAxes:[{type:"linear",position:"left",id:"y-axis-0"}]},tooltips:{callbacks:{title:function(){return""},label:function(item,data){var datasetLabel=data.datasets[item.datasetIndex].label||"",dataPoint=data.datasets[item.datasetIndex].data[item.index];return datasetLabel+": ("+item.xLabel+", "+item.yLabel+", "+dataPoint.r+")"}}}}),module.exports=function(Chart){Chart.controllers.bubble=Chart.DatasetController.extend({dataElementType:elements.Point,update:function(reset){var me=this,points=me.getMeta().data;helpers.each(points,(function(point,index){me.updateElement(point,index,reset)}))},updateElement:function(point,index,reset){var me=this,meta=me.getMeta(),custom=point.custom||{},xScale=me.getScaleForId(meta.xAxisID),yScale=me.getScaleForId(meta.yAxisID),options=me._resolveElementOptions(point,index),data=me.getDataset().data[index],dsIndex=me.index,x=reset?xScale.getPixelForDecimal(.5):xScale.getPixelForValue("object"===_typeof(data)?data:NaN,index,dsIndex),y=reset?yScale.getBasePixel():yScale.getPixelForValue(data,index,dsIndex);point._xScale=xScale,point._yScale=yScale,point._options=options,point._datasetIndex=dsIndex,point._index=index,point._model={backgroundColor:options.backgroundColor,borderColor:options.borderColor,borderWidth:options.borderWidth,hitRadius:options.hitRadius,pointStyle:options.pointStyle,radius:reset?0:options.radius,skip:custom.skip||isNaN(x)||isNaN(y),x:x,y:y},point.pivot()},setHoverStyle:function(point){var model=point._model,options=point._options;model.backgroundColor=helpers.valueOrDefault(options.hoverBackgroundColor,helpers.getHoverColor(options.backgroundColor)),model.borderColor=helpers.valueOrDefault(options.hoverBorderColor,helpers.getHoverColor(options.borderColor)),model.borderWidth=helpers.valueOrDefault(options.hoverBorderWidth,options.borderWidth),model.radius=options.radius+options.hoverRadius},removeHoverStyle:function(point){var model=point._model,options=point._options;model.backgroundColor=options.backgroundColor,model.borderColor=options.borderColor,model.borderWidth=options.borderWidth,model.radius=options.radius},_resolveElementOptions:function(point,index){var i,ilen,key,chart=this.chart,dataset=chart.data.datasets[this.index],custom=point.custom||{},options=chart.options.elements.point,resolve=helpers.options.resolve,data=dataset.data[index],values={},context={chart:chart,dataIndex:index,dataset:dataset,datasetIndex:this.index},keys=["backgroundColor","borderColor","borderWidth","hoverBackgroundColor","hoverBorderColor","hoverBorderWidth","hoverRadius","hitRadius","pointStyle"];for(i=0,ilen=keys.length;i<ilen;++i)values[key=keys[i]]=resolve([custom[key],dataset[key],options[key]],context,index);return values.radius=resolve([custom.radius,data?data.r:void 0,dataset.radius,options.radius],context,index),values}})}},{25:25,40:40,45:45}],17:[function(require,module,exports){var defaults=require(25),elements=require(40),helpers=require(45);defaults._set("doughnut",{animation:{animateRotate:!0,animateScale:!1},hover:{mode:"single"},legendCallback:function(chart){var text=[];text.push('<ul class="'+chart.id+'-legend">');var data=chart.data,datasets=data.datasets,labels=data.labels;if(datasets.length)for(var i=0;i<datasets[0].data.length;++i)text.push('<li><span style="background-color:'+datasets[0].backgroundColor[i]+'"></span>'),labels[i]&&text.push(labels[i]),text.push("</li>");return text.push("</ul>"),text.join("")},legend:{labels:{generateLabels:function(chart){var data=chart.data;return data.labels.length&&data.datasets.length?data.labels.map((function(label,i){var meta=chart.getDatasetMeta(0),ds=data.datasets[0],arc=meta.data[i],custom=arc&&arc.custom||{},valueAtIndexOrDefault=helpers.valueAtIndexOrDefault,arcOpts=chart.options.elements.arc;return{text:label,fillStyle:custom.backgroundColor?custom.backgroundColor:valueAtIndexOrDefault(ds.backgroundColor,i,arcOpts.backgroundColor),strokeStyle:custom.borderColor?custom.borderColor:valueAtIndexOrDefault(ds.borderColor,i,arcOpts.borderColor),lineWidth:custom.borderWidth?custom.borderWidth:valueAtIndexOrDefault(ds.borderWidth,i,arcOpts.borderWidth),hidden:isNaN(ds.data[i])||meta.data[i].hidden,index:i}})):[]}},onClick:function(e,legendItem){var i,ilen,meta,index=legendItem.index,chart=this.chart;for(i=0,ilen=(chart.data.datasets||[]).length;i<ilen;++i)(meta=chart.getDatasetMeta(i)).data[index]&&(meta.data[index].hidden=!meta.data[index].hidden);chart.update()}},cutoutPercentage:50,rotation:-.5*Math.PI,circumference:2*Math.PI,tooltips:{callbacks:{title:function(){return""},label:function(tooltipItem,data){var dataLabel=data.labels[tooltipItem.index],value=": "+data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];return helpers.isArray(dataLabel)?(dataLabel=dataLabel.slice())[0]+=value:dataLabel+=value,dataLabel}}}}),defaults._set("pie",helpers.clone(defaults.doughnut)),defaults._set("pie",{cutoutPercentage:0}),module.exports=function(Chart){Chart.controllers.doughnut=Chart.controllers.pie=Chart.DatasetController.extend({dataElementType:elements.Arc,linkScales:helpers.noop,getRingIndex:function(datasetIndex){for(var ringIndex=0,j=0;j<datasetIndex;++j)this.chart.isDatasetVisible(j)&&++ringIndex;return ringIndex},update:function(reset){var me=this,chart=me.chart,chartArea=chart.chartArea,opts=chart.options,arcOpts=opts.elements.arc,availableWidth=chartArea.right-chartArea.left-arcOpts.borderWidth,availableHeight=chartArea.bottom-chartArea.top-arcOpts.borderWidth,minSize=Math.min(availableWidth,availableHeight),offset={x:0,y:0},meta=me.getMeta(),cutoutPercentage=opts.cutoutPercentage,circumference=opts.circumference;if(circumference<2*Math.PI){var startAngle=opts.rotation%(2*Math.PI),endAngle=(startAngle+=2*Math.PI*(startAngle>=Math.PI?-1:startAngle<-Math.PI?1:0))+circumference,start={x:Math.cos(startAngle),y:Math.sin(startAngle)},end={x:Math.cos(endAngle),y:Math.sin(endAngle)},contains0=startAngle<=0&&endAngle>=0||startAngle<=2*Math.PI&&2*Math.PI<=endAngle,contains90=startAngle<=.5*Math.PI&&.5*Math.PI<=endAngle||startAngle<=2.5*Math.PI&&2.5*Math.PI<=endAngle,contains180=startAngle<=-Math.PI&&-Math.PI<=endAngle||startAngle<=Math.PI&&Math.PI<=endAngle,contains270=startAngle<=.5*-Math.PI&&.5*-Math.PI<=endAngle||startAngle<=1.5*Math.PI&&1.5*Math.PI<=endAngle,cutout=cutoutPercentage/100,min={x:contains180?-1:Math.min(start.x*(start.x<0?1:cutout),end.x*(end.x<0?1:cutout)),y:contains270?-1:Math.min(start.y*(start.y<0?1:cutout),end.y*(end.y<0?1:cutout))},max={x:contains0?1:Math.max(start.x*(start.x>0?1:cutout),end.x*(end.x>0?1:cutout)),y:contains90?1:Math.max(start.y*(start.y>0?1:cutout),end.y*(end.y>0?1:cutout))},size={width:.5*(max.x-min.x),height:.5*(max.y-min.y)};minSize=Math.min(availableWidth/size.width,availableHeight/size.height),offset={x:-.5*(max.x+min.x),y:-.5*(max.y+min.y)}}chart.borderWidth=me.getMaxBorderWidth(meta.data),chart.outerRadius=Math.max((minSize-chart.borderWidth)/2,0),chart.innerRadius=Math.max(cutoutPercentage?chart.outerRadius/100*cutoutPercentage:0,0),chart.radiusLength=(chart.outerRadius-chart.innerRadius)/chart.getVisibleDatasetCount(),chart.offsetX=offset.x*chart.outerRadius,chart.offsetY=offset.y*chart.outerRadius,meta.total=me.calculateTotal(),me.outerRadius=chart.outerRadius-chart.radiusLength*me.getRingIndex(me.index),me.innerRadius=Math.max(me.outerRadius-chart.radiusLength,0),helpers.each(meta.data,(function(arc,index){me.updateElement(arc,index,reset)}))},updateElement:function(arc,index,reset){var me=this,chart=me.chart,chartArea=chart.chartArea,opts=chart.options,animationOpts=opts.animation,centerX=(chartArea.left+chartArea.right)/2,centerY=(chartArea.top+chartArea.bottom)/2,startAngle=opts.rotation,endAngle=opts.rotation,dataset=me.getDataset(),circumference=reset&&animationOpts.animateRotate||arc.hidden?0:me.calculateCircumference(dataset.data[index])*(opts.circumference/(2*Math.PI)),innerRadius=reset&&animationOpts.animateScale?0:me.innerRadius,outerRadius=reset&&animationOpts.animateScale?0:me.outerRadius,valueAtIndexOrDefault=helpers.valueAtIndexOrDefault;helpers.extend(arc,{_datasetIndex:me.index,_index:index,_model:{x:centerX+chart.offsetX,y:centerY+chart.offsetY,startAngle:startAngle,endAngle:endAngle,circumference:circumference,outerRadius:outerRadius,innerRadius:innerRadius,label:valueAtIndexOrDefault(dataset.label,index,chart.data.labels[index])}});var model=arc._model;this.removeHoverStyle(arc),reset&&animationOpts.animateRotate||(model.startAngle=0===index?opts.rotation:me.getMeta().data[index-1]._model.endAngle,model.endAngle=model.startAngle+model.circumference),arc.pivot()},removeHoverStyle:function(arc){Chart.DatasetController.prototype.removeHoverStyle.call(this,arc,this.chart.options.elements.arc)},calculateTotal:function(){var value,dataset=this.getDataset(),meta=this.getMeta(),total=0;return helpers.each(meta.data,(function(element,index){value=dataset.data[index],isNaN(value)||element.hidden||(total+=Math.abs(value))})),total},calculateCircumference:function(value){var total=this.getMeta().total;return total>0&&!isNaN(value)?2*Math.PI*(value/total):0},getMaxBorderWidth:function(arcs){for(var borderWidth,hoverWidth,max=0,index=this.index,length=arcs.length,i=0;i<length;i++)borderWidth=arcs[i]._model?arcs[i]._model.borderWidth:0,max=(hoverWidth=arcs[i]._chart?arcs[i]._chart.config.data.datasets[index].hoverBorderWidth:0)>(max=borderWidth>max?borderWidth:max)?hoverWidth:max;return max}})}},{25:25,40:40,45:45}],18:[function(require,module,exports){var defaults=require(25),elements=require(40),helpers=require(45);defaults._set("line",{showLines:!0,spanGaps:!1,hover:{mode:"label"},scales:{xAxes:[{type:"category",id:"x-axis-0"}],yAxes:[{type:"linear",id:"y-axis-0"}]}}),module.exports=function(Chart){function lineEnabled(dataset,options){return helpers.valueOrDefault(dataset.showLine,options.showLines)}Chart.controllers.line=Chart.DatasetController.extend({datasetElementType:elements.Line,dataElementType:elements.Point,update:function(reset){var i,ilen,custom,me=this,meta=me.getMeta(),line=meta.dataset,points=meta.data||[],options=me.chart.options,lineElementOptions=options.elements.line,scale=me.getScaleForId(meta.yAxisID),dataset=me.getDataset(),showLine=lineEnabled(dataset,options);for(showLine&&(custom=line.custom||{},void 0!==dataset.tension&&void 0===dataset.lineTension&&(dataset.lineTension=dataset.tension),line._scale=scale,line._datasetIndex=me.index,line._children=points,line._model={spanGaps:dataset.spanGaps?dataset.spanGaps:options.spanGaps,tension:custom.tension?custom.tension:helpers.valueOrDefault(dataset.lineTension,lineElementOptions.tension),backgroundColor:custom.backgroundColor?custom.backgroundColor:dataset.backgroundColor||lineElementOptions.backgroundColor,borderWidth:custom.borderWidth?custom.borderWidth:dataset.borderWidth||lineElementOptions.borderWidth,borderColor:custom.borderColor?custom.borderColor:dataset.borderColor||lineElementOptions.borderColor,borderCapStyle:custom.borderCapStyle?custom.borderCapStyle:dataset.borderCapStyle||lineElementOptions.borderCapStyle,borderDash:custom.borderDash?custom.borderDash:dataset.borderDash||lineElementOptions.borderDash,borderDashOffset:custom.borderDashOffset?custom.borderDashOffset:dataset.borderDashOffset||lineElementOptions.borderDashOffset,borderJoinStyle:custom.borderJoinStyle?custom.borderJoinStyle:dataset.borderJoinStyle||lineElementOptions.borderJoinStyle,fill:custom.fill?custom.fill:void 0!==dataset.fill?dataset.fill:lineElementOptions.fill,steppedLine:custom.steppedLine?custom.steppedLine:helpers.valueOrDefault(dataset.steppedLine,lineElementOptions.stepped),cubicInterpolationMode:custom.cubicInterpolationMode?custom.cubicInterpolationMode:helpers.valueOrDefault(dataset.cubicInterpolationMode,lineElementOptions.cubicInterpolationMode)},line.pivot()),i=0,ilen=points.length;i<ilen;++i)me.updateElement(points[i],i,reset);for(showLine&&0!==line._model.tension&&me.updateBezierControlPoints(),i=0,ilen=points.length;i<ilen;++i)points[i].pivot()},getPointBackgroundColor:function(point,index){var backgroundColor=this.chart.options.elements.point.backgroundColor,dataset=this.getDataset(),custom=point.custom||{};return custom.backgroundColor?backgroundColor=custom.backgroundColor:dataset.pointBackgroundColor?backgroundColor=helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor,index,backgroundColor):dataset.backgroundColor&&(backgroundColor=dataset.backgroundColor),backgroundColor},getPointBorderColor:function(point,index){var borderColor=this.chart.options.elements.point.borderColor,dataset=this.getDataset(),custom=point.custom||{};return custom.borderColor?borderColor=custom.borderColor:dataset.pointBorderColor?borderColor=helpers.valueAtIndexOrDefault(dataset.pointBorderColor,index,borderColor):dataset.borderColor&&(borderColor=dataset.borderColor),borderColor},getPointBorderWidth:function(point,index){var borderWidth=this.chart.options.elements.point.borderWidth,dataset=this.getDataset(),custom=point.custom||{};return isNaN(custom.borderWidth)?!isNaN(dataset.pointBorderWidth)||helpers.isArray(dataset.pointBorderWidth)?borderWidth=helpers.valueAtIndexOrDefault(dataset.pointBorderWidth,index,borderWidth):isNaN(dataset.borderWidth)||(borderWidth=dataset.borderWidth):borderWidth=custom.borderWidth,borderWidth},updateElement:function(point,index,reset){var x,y,me=this,meta=me.getMeta(),custom=point.custom||{},dataset=me.getDataset(),datasetIndex=me.index,value=dataset.data[index],yScale=me.getScaleForId(meta.yAxisID),xScale=me.getScaleForId(meta.xAxisID),pointOptions=me.chart.options.elements.point;void 0!==dataset.radius&&void 0===dataset.pointRadius&&(dataset.pointRadius=dataset.radius),void 0!==dataset.hitRadius&&void 0===dataset.pointHitRadius&&(dataset.pointHitRadius=dataset.hitRadius),x=xScale.getPixelForValue("object"===_typeof(value)?value:NaN,index,datasetIndex),y=reset?yScale.getBasePixel():me.calculatePointY(value,index,datasetIndex),point._xScale=xScale,point._yScale=yScale,point._datasetIndex=datasetIndex,point._index=index,point._model={x:x,y:y,skip:custom.skip||isNaN(x)||isNaN(y),radius:custom.radius||helpers.valueAtIndexOrDefault(dataset.pointRadius,index,pointOptions.radius),pointStyle:custom.pointStyle||helpers.valueAtIndexOrDefault(dataset.pointStyle,index,pointOptions.pointStyle),backgroundColor:me.getPointBackgroundColor(point,index),borderColor:me.getPointBorderColor(point,index),borderWidth:me.getPointBorderWidth(point,index),tension:meta.dataset._model?meta.dataset._model.tension:0,steppedLine:!!meta.dataset._model&&meta.dataset._model.steppedLine,hitRadius:custom.hitRadius||helpers.valueAtIndexOrDefault(dataset.pointHitRadius,index,pointOptions.hitRadius)}},calculatePointY:function(value,index,datasetIndex){var i,ds,dsMeta,chart=this.chart,meta=this.getMeta(),yScale=this.getScaleForId(meta.yAxisID),sumPos=0,sumNeg=0;if(yScale.options.stacked){for(i=0;i<datasetIndex;i++)if(ds=chart.data.datasets[i],"line"===(dsMeta=chart.getDatasetMeta(i)).type&&dsMeta.yAxisID===yScale.id&&chart.isDatasetVisible(i)){var stackedRightValue=Number(yScale.getRightValue(ds.data[index]));stackedRightValue<0?sumNeg+=stackedRightValue||0:sumPos+=stackedRightValue||0}var rightValue=Number(yScale.getRightValue(value));return rightValue<0?yScale.getPixelForValue(sumNeg+rightValue):yScale.getPixelForValue(sumPos+rightValue)}return yScale.getPixelForValue(value)},updateBezierControlPoints:function(){var i,ilen,model,controlPoints,meta=this.getMeta(),area=this.chart.chartArea,points=meta.data||[];function capControlPoint(pt,min,max){return Math.max(Math.min(pt,max),min)}if(meta.dataset._model.spanGaps&&(points=points.filter((function(pt){return!pt._model.skip}))),"monotone"===meta.dataset._model.cubicInterpolationMode)helpers.splineCurveMonotone(points);else for(i=0,ilen=points.length;i<ilen;++i)model=points[i]._model,controlPoints=helpers.splineCurve(helpers.previousItem(points,i)._model,model,helpers.nextItem(points,i)._model,meta.dataset._model.tension),model.controlPointPreviousX=controlPoints.previous.x,model.controlPointPreviousY=controlPoints.previous.y,model.controlPointNextX=controlPoints.next.x,model.controlPointNextY=controlPoints.next.y;if(this.chart.options.elements.line.capBezierPoints)for(i=0,ilen=points.length;i<ilen;++i)(model=points[i]._model).controlPointPreviousX=capControlPoint(model.controlPointPreviousX,area.left,area.right),model.controlPointPreviousY=capControlPoint(model.controlPointPreviousY,area.top,area.bottom),model.controlPointNextX=capControlPoint(model.controlPointNextX,area.left,area.right),model.controlPointNextY=capControlPoint(model.controlPointNextY,area.top,area.bottom)},draw:function(){var chart=this.chart,meta=this.getMeta(),points=meta.data||[],area=chart.chartArea,ilen=points.length,i=0;for(helpers.canvas.clipArea(chart.ctx,area),lineEnabled(this.getDataset(),chart.options)&&meta.dataset.draw(),helpers.canvas.unclipArea(chart.ctx);i<ilen;++i)points[i].draw(area)},setHoverStyle:function(point){var dataset=this.chart.data.datasets[point._datasetIndex],index=point._index,custom=point.custom||{},model=point._model;model.radius=custom.hoverRadius||helpers.valueAtIndexOrDefault(dataset.pointHoverRadius,index,this.chart.options.elements.point.hoverRadius),model.backgroundColor=custom.hoverBackgroundColor||helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor,index,helpers.getHoverColor(model.backgroundColor)),model.borderColor=custom.hoverBorderColor||helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor,index,helpers.getHoverColor(model.borderColor)),model.borderWidth=custom.hoverBorderWidth||helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth,index,model.borderWidth)},removeHoverStyle:function(point){var me=this,dataset=me.chart.data.datasets[point._datasetIndex],index=point._index,custom=point.custom||{},model=point._model;void 0!==dataset.radius&&void 0===dataset.pointRadius&&(dataset.pointRadius=dataset.radius),model.radius=custom.radius||helpers.valueAtIndexOrDefault(dataset.pointRadius,index,me.chart.options.elements.point.radius),model.backgroundColor=me.getPointBackgroundColor(point,index),model.borderColor=me.getPointBorderColor(point,index),model.borderWidth=me.getPointBorderWidth(point,index)}})}},{25:25,40:40,45:45}],19:[function(require,module,exports){var defaults=require(25),elements=require(40),helpers=require(45);defaults._set("polarArea",{scale:{type:"radialLinear",angleLines:{display:!1},gridLines:{circular:!0},pointLabels:{display:!1},ticks:{beginAtZero:!0}},animation:{animateRotate:!0,animateScale:!0},startAngle:-.5*Math.PI,legendCallback:function(chart){var text=[];text.push('<ul class="'+chart.id+'-legend">');var data=chart.data,datasets=data.datasets,labels=data.labels;if(datasets.length)for(var i=0;i<datasets[0].data.length;++i)text.push('<li><span style="background-color:'+datasets[0].backgroundColor[i]+'"></span>'),labels[i]&&text.push(labels[i]),text.push("</li>");return text.push("</ul>"),text.join("")},legend:{labels:{generateLabels:function(chart){var data=chart.data;return data.labels.length&&data.datasets.length?data.labels.map((function(label,i){var meta=chart.getDatasetMeta(0),ds=data.datasets[0],custom=meta.data[i].custom||{},valueAtIndexOrDefault=helpers.valueAtIndexOrDefault,arcOpts=chart.options.elements.arc;return{text:label,fillStyle:custom.backgroundColor?custom.backgroundColor:valueAtIndexOrDefault(ds.backgroundColor,i,arcOpts.backgroundColor),strokeStyle:custom.borderColor?custom.borderColor:valueAtIndexOrDefault(ds.borderColor,i,arcOpts.borderColor),lineWidth:custom.borderWidth?custom.borderWidth:valueAtIndexOrDefault(ds.borderWidth,i,arcOpts.borderWidth),hidden:isNaN(ds.data[i])||meta.data[i].hidden,index:i}})):[]}},onClick:function(e,legendItem){var i,ilen,meta,index=legendItem.index,chart=this.chart;for(i=0,ilen=(chart.data.datasets||[]).length;i<ilen;++i)(meta=chart.getDatasetMeta(i)).data[index].hidden=!meta.data[index].hidden;chart.update()}},tooltips:{callbacks:{title:function(){return""},label:function(item,data){return data.labels[item.index]+": "+item.yLabel}}}}),module.exports=function(Chart){Chart.controllers.polarArea=Chart.DatasetController.extend({dataElementType:elements.Arc,linkScales:helpers.noop,update:function(reset){var me=this,chart=me.chart,chartArea=chart.chartArea,meta=me.getMeta(),opts=chart.options,arcOpts=opts.elements.arc,minSize=Math.min(chartArea.right-chartArea.left,chartArea.bottom-chartArea.top);chart.outerRadius=Math.max((minSize-arcOpts.borderWidth/2)/2,0),chart.innerRadius=Math.max(opts.cutoutPercentage?chart.outerRadius/100*opts.cutoutPercentage:1,0),chart.radiusLength=(chart.outerRadius-chart.innerRadius)/chart.getVisibleDatasetCount(),me.outerRadius=chart.outerRadius-chart.radiusLength*me.index,me.innerRadius=me.outerRadius-chart.radiusLength,meta.count=me.countVisibleElements(),helpers.each(meta.data,(function(arc,index){me.updateElement(arc,index,reset)}))},updateElement:function(arc,index,reset){for(var me=this,chart=me.chart,dataset=me.getDataset(),opts=chart.options,animationOpts=opts.animation,scale=chart.scale,labels=chart.data.labels,circumference=me.calculateCircumference(dataset.data[index]),centerX=scale.xCenter,centerY=scale.yCenter,visibleCount=0,meta=me.getMeta(),i=0;i<index;++i)isNaN(dataset.data[i])||meta.data[i].hidden||++visibleCount;var datasetStartAngle=opts.startAngle,distance=arc.hidden?0:scale.getDistanceFromCenterForValue(dataset.data[index]),startAngle=datasetStartAngle+circumference*visibleCount,endAngle=startAngle+(arc.hidden?0:circumference),resetRadius=animationOpts.animateScale?0:scale.getDistanceFromCenterForValue(dataset.data[index]);helpers.extend(arc,{_datasetIndex:me.index,_index:index,_scale:scale,_model:{x:centerX,y:centerY,innerRadius:0,outerRadius:reset?resetRadius:distance,startAngle:reset&&animationOpts.animateRotate?datasetStartAngle:startAngle,endAngle:reset&&animationOpts.animateRotate?datasetStartAngle:endAngle,label:helpers.valueAtIndexOrDefault(labels,index,labels[index])}}),me.removeHoverStyle(arc),arc.pivot()},removeHoverStyle:function(arc){Chart.DatasetController.prototype.removeHoverStyle.call(this,arc,this.chart.options.elements.arc)},countVisibleElements:function(){var dataset=this.getDataset(),meta=this.getMeta(),count=0;return helpers.each(meta.data,(function(element,index){isNaN(dataset.data[index])||element.hidden||count++})),count},calculateCircumference:function(value){var count=this.getMeta().count;return count>0&&!isNaN(value)?2*Math.PI/count:0}})}},{25:25,40:40,45:45}],20:[function(require,module,exports){var defaults=require(25),elements=require(40),helpers=require(45);defaults._set("radar",{scale:{type:"radialLinear"},elements:{line:{tension:0}}}),module.exports=function(Chart){Chart.controllers.radar=Chart.DatasetController.extend({datasetElementType:elements.Line,dataElementType:elements.Point,linkScales:helpers.noop,update:function(reset){var me=this,meta=me.getMeta(),line=meta.dataset,points=meta.data,custom=line.custom||{},dataset=me.getDataset(),lineElementOptions=me.chart.options.elements.line,scale=me.chart.scale;void 0!==dataset.tension&&void 0===dataset.lineTension&&(dataset.lineTension=dataset.tension),helpers.extend(meta.dataset,{_datasetIndex:me.index,_scale:scale,_children:points,_loop:!0,_model:{tension:custom.tension?custom.tension:helpers.valueOrDefault(dataset.lineTension,lineElementOptions.tension),backgroundColor:custom.backgroundColor?custom.backgroundColor:dataset.backgroundColor||lineElementOptions.backgroundColor,borderWidth:custom.borderWidth?custom.borderWidth:dataset.borderWidth||lineElementOptions.borderWidth,borderColor:custom.borderColor?custom.borderColor:dataset.borderColor||lineElementOptions.borderColor,fill:custom.fill?custom.fill:void 0!==dataset.fill?dataset.fill:lineElementOptions.fill,borderCapStyle:custom.borderCapStyle?custom.borderCapStyle:dataset.borderCapStyle||lineElementOptions.borderCapStyle,borderDash:custom.borderDash?custom.borderDash:dataset.borderDash||lineElementOptions.borderDash,borderDashOffset:custom.borderDashOffset?custom.borderDashOffset:dataset.borderDashOffset||lineElementOptions.borderDashOffset,borderJoinStyle:custom.borderJoinStyle?custom.borderJoinStyle:dataset.borderJoinStyle||lineElementOptions.borderJoinStyle}}),meta.dataset.pivot(),helpers.each(points,(function(point,index){me.updateElement(point,index,reset)}),me),me.updateBezierControlPoints()},updateElement:function(point,index,reset){var me=this,custom=point.custom||{},dataset=me.getDataset(),scale=me.chart.scale,pointElementOptions=me.chart.options.elements.point,pointPosition=scale.getPointPositionForValue(index,dataset.data[index]);void 0!==dataset.radius&&void 0===dataset.pointRadius&&(dataset.pointRadius=dataset.radius),void 0!==dataset.hitRadius&&void 0===dataset.pointHitRadius&&(dataset.pointHitRadius=dataset.hitRadius),helpers.extend(point,{_datasetIndex:me.index,_index:index,_scale:scale,_model:{x:reset?scale.xCenter:pointPosition.x,y:reset?scale.yCenter:pointPosition.y,tension:custom.tension?custom.tension:helpers.valueOrDefault(dataset.lineTension,me.chart.options.elements.line.tension),radius:custom.radius?custom.radius:helpers.valueAtIndexOrDefault(dataset.pointRadius,index,pointElementOptions.radius),backgroundColor:custom.backgroundColor?custom.backgroundColor:helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor,index,pointElementOptions.backgroundColor),borderColor:custom.borderColor?custom.borderColor:helpers.valueAtIndexOrDefault(dataset.pointBorderColor,index,pointElementOptions.borderColor),borderWidth:custom.borderWidth?custom.borderWidth:helpers.valueAtIndexOrDefault(dataset.pointBorderWidth,index,pointElementOptions.borderWidth),pointStyle:custom.pointStyle?custom.pointStyle:helpers.valueAtIndexOrDefault(dataset.pointStyle,index,pointElementOptions.pointStyle),hitRadius:custom.hitRadius?custom.hitRadius:helpers.valueAtIndexOrDefault(dataset.pointHitRadius,index,pointElementOptions.hitRadius)}}),point._model.skip=custom.skip?custom.skip:isNaN(point._model.x)||isNaN(point._model.y)},updateBezierControlPoints:function(){var chartArea=this.chart.chartArea,meta=this.getMeta();helpers.each(meta.data,(function(point,index){var model=point._model,controlPoints=helpers.splineCurve(helpers.previousItem(meta.data,index,!0)._model,model,helpers.nextItem(meta.data,index,!0)._model,model.tension);model.controlPointPreviousX=Math.max(Math.min(controlPoints.previous.x,chartArea.right),chartArea.left),model.controlPointPreviousY=Math.max(Math.min(controlPoints.previous.y,chartArea.bottom),chartArea.top),model.controlPointNextX=Math.max(Math.min(controlPoints.next.x,chartArea.right),chartArea.left),model.controlPointNextY=Math.max(Math.min(controlPoints.next.y,chartArea.bottom),chartArea.top),point.pivot()}))},setHoverStyle:function(point){var dataset=this.chart.data.datasets[point._datasetIndex],custom=point.custom||{},index=point._index,model=point._model;model.radius=custom.hoverRadius?custom.hoverRadius:helpers.valueAtIndexOrDefault(dataset.pointHoverRadius,index,this.chart.options.elements.point.hoverRadius),model.backgroundColor=custom.hoverBackgroundColor?custom.hoverBackgroundColor:helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor,index,helpers.getHoverColor(model.backgroundColor)),model.borderColor=custom.hoverBorderColor?custom.hoverBorderColor:helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor,index,helpers.getHoverColor(model.borderColor)),model.borderWidth=custom.hoverBorderWidth?custom.hoverBorderWidth:helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth,index,model.borderWidth)},removeHoverStyle:function(point){var dataset=this.chart.data.datasets[point._datasetIndex],custom=point.custom||{},index=point._index,model=point._model,pointElementOptions=this.chart.options.elements.point;model.radius=custom.radius?custom.radius:helpers.valueAtIndexOrDefault(dataset.pointRadius,index,pointElementOptions.radius),model.backgroundColor=custom.backgroundColor?custom.backgroundColor:helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor,index,pointElementOptions.backgroundColor),model.borderColor=custom.borderColor?custom.borderColor:helpers.valueAtIndexOrDefault(dataset.pointBorderColor,index,pointElementOptions.borderColor),model.borderWidth=custom.borderWidth?custom.borderWidth:helpers.valueAtIndexOrDefault(dataset.pointBorderWidth,index,pointElementOptions.borderWidth)}})}},{25:25,40:40,45:45}],21:[function(require,module,exports){require(25)._set("scatter",{hover:{mode:"single"},scales:{xAxes:[{id:"x-axis-1",type:"linear",position:"bottom"}],yAxes:[{id:"y-axis-1",type:"linear",position:"left"}]},showLines:!1,tooltips:{callbacks:{title:function(){return""},label:function(item){return"("+item.xLabel+", "+item.yLabel+")"}}}}),module.exports=function(Chart){Chart.controllers.scatter=Chart.controllers.line}},{25:25}],22:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45);defaults._set("global",{animation:{duration:1e3,easing:"easeOutQuart",onProgress:helpers.noop,onComplete:helpers.noop}}),module.exports=function(Chart){Chart.Animation=Element.extend({chart:null,currentStep:0,numSteps:60,easing:"",render:null,onAnimationProgress:null,onAnimationComplete:null}),Chart.animationService={frameDuration:17,animations:[],dropFrames:0,request:null,addAnimation:function(chart,animation,duration,lazy){var i,ilen,animations=this.animations;for(animation.chart=chart,lazy||(chart.animating=!0),i=0,ilen=animations.length;i<ilen;++i)if(animations[i].chart===chart)return void(animations[i]=animation);animations.push(animation),1===animations.length&&this.requestAnimationFrame()},cancelAnimation:function(chart){var index=helpers.findIndex(this.animations,(function(animation){return animation.chart===chart}));-1!==index&&(this.animations.splice(index,1),chart.animating=!1)},requestAnimationFrame:function(){var me=this;null===me.request&&(me.request=helpers.requestAnimFrame.call(window,(function(){me.request=null,me.startDigest()})))},startDigest:function(){var me=this,startTime=Date.now(),framesToDrop=0;me.dropFrames>1&&(framesToDrop=Math.floor(me.dropFrames),me.dropFrames=me.dropFrames%1),me.advance(1+framesToDrop);var endTime=Date.now();me.dropFrames+=(endTime-startTime)/me.frameDuration,me.animations.length>0&&me.requestAnimationFrame()},advance:function(count){for(var animation,chart,animations=this.animations,i=0;i<animations.length;)chart=(animation=animations[i]).chart,animation.currentStep=(animation.currentStep||0)+count,animation.currentStep=Math.min(animation.currentStep,animation.numSteps),helpers.callback(animation.render,[chart,animation],chart),helpers.callback(animation.onAnimationProgress,[animation],chart),animation.currentStep>=animation.numSteps?(helpers.callback(animation.onAnimationComplete,[animation],chart),chart.animating=!1,animations.splice(i,1)):++i}},Object.defineProperty(Chart.Animation.prototype,"animationObject",{get:function(){return this}}),Object.defineProperty(Chart.Animation.prototype,"chartInstance",{get:function(){return this.chart},set:function(value){this.chart=value}})}},{25:25,26:26,45:45}],23:[function(require,module,exports){var defaults=require(25),helpers=require(45),Interaction=require(28),platform=require(48);module.exports=function(Chart){var plugins=Chart.plugins;function updateConfig(chart){var newOptions=chart.options;newOptions.scale?chart.scale.options=newOptions.scale:newOptions.scales&&newOptions.scales.xAxes.concat(newOptions.scales.yAxes).forEach((function(scaleOptions){chart.scales[scaleOptions.id].options=scaleOptions})),chart.tooltip._options=newOptions.tooltips}function positionIsHorizontal(position){return"top"===position||"bottom"===position}Chart.types={},Chart.instances={},Chart.controllers={},helpers.extend(Chart.prototype,{construct:function(item,config){var me=this;config=function(config){var data=(config=config||{}).data=config.data||{};return data.datasets=data.datasets||[],data.labels=data.labels||[],config.options=helpers.configMerge(defaults.global,defaults[config.type],config.options||{}),config}(config);var context=platform.acquireContext(item,config),canvas=context&&context.canvas,height=canvas&&canvas.height,width=canvas&&canvas.width;me.id=helpers.uid(),me.ctx=context,me.canvas=canvas,me.config=config,me.width=width,me.height=height,me.aspectRatio=height?width/height:null,me.options=config.options,me._bufferedRender=!1,me.chart=me,me.controller=me,Chart.instances[me.id]=me,Object.defineProperty(me,"data",{get:function(){return me.config.data},set:function(value){me.config.data=value}}),context&&canvas?(me.initialize(),me.update()):console.error("Failed to create chart: can't acquire context from the given item")},initialize:function(){var me=this;return plugins.notify(me,"beforeInit"),helpers.retinaScale(me,me.options.devicePixelRatio),me.bindEvents(),me.options.responsive&&me.resize(!0),me.ensureScalesHaveIDs(),me.buildScales(),me.initToolTip(),plugins.notify(me,"afterInit"),me},clear:function(){return helpers.canvas.clear(this),this},stop:function(){return Chart.animationService.cancelAnimation(this),this},resize:function(silent){var me=this,options=me.options,canvas=me.canvas,aspectRatio=options.maintainAspectRatio&&me.aspectRatio||null,newWidth=Math.max(0,Math.floor(helpers.getMaximumWidth(canvas))),newHeight=Math.max(0,Math.floor(aspectRatio?newWidth/aspectRatio:helpers.getMaximumHeight(canvas)));if((me.width!==newWidth||me.height!==newHeight)&&(canvas.width=me.width=newWidth,canvas.height=me.height=newHeight,canvas.style.width=newWidth+"px",canvas.style.height=newHeight+"px",helpers.retinaScale(me,options.devicePixelRatio),!silent)){var newSize={width:newWidth,height:newHeight};plugins.notify(me,"resize",[newSize]),me.options.onResize&&me.options.onResize(me,newSize),me.stop(),me.update(me.options.responsiveAnimationDuration)}},ensureScalesHaveIDs:function(){var options=this.options,scalesOptions=options.scales||{},scaleOptions=options.scale;helpers.each(scalesOptions.xAxes,(function(xAxisOptions,index){xAxisOptions.id=xAxisOptions.id||"x-axis-"+index})),helpers.each(scalesOptions.yAxes,(function(yAxisOptions,index){yAxisOptions.id=yAxisOptions.id||"y-axis-"+index})),scaleOptions&&(scaleOptions.id=scaleOptions.id||"scale")},buildScales:function(){var me=this,options=me.options,scales=me.scales={},items=[];options.scales&&(items=items.concat((options.scales.xAxes||[]).map((function(xAxisOptions){return{options:xAxisOptions,dtype:"category",dposition:"bottom"}})),(options.scales.yAxes||[]).map((function(yAxisOptions){return{options:yAxisOptions,dtype:"linear",dposition:"left"}})))),options.scale&&items.push({options:options.scale,dtype:"radialLinear",isDefault:!0,dposition:"chartArea"}),helpers.each(items,(function(item){var scaleOptions=item.options,scaleType=helpers.valueOrDefault(scaleOptions.type,item.dtype),scaleClass=Chart.scaleService.getScaleConstructor(scaleType);if(scaleClass){positionIsHorizontal(scaleOptions.position)!==positionIsHorizontal(item.dposition)&&(scaleOptions.position=item.dposition);var scale=new scaleClass({id:scaleOptions.id,options:scaleOptions,ctx:me.ctx,chart:me});scales[scale.id]=scale,scale.mergeTicksOptions(),item.isDefault&&(me.scale=scale)}})),Chart.scaleService.addScalesToLayout(this)},buildOrUpdateControllers:function(){var me=this,types=[],newControllers=[];return helpers.each(me.data.datasets,(function(dataset,datasetIndex){var meta=me.getDatasetMeta(datasetIndex),type=dataset.type||me.config.type;if(meta.type&&meta.type!==type&&(me.destroyDatasetMeta(datasetIndex),meta=me.getDatasetMeta(datasetIndex)),meta.type=type,types.push(meta.type),meta.controller)meta.controller.updateIndex(datasetIndex);else{var ControllerClass=Chart.controllers[meta.type];if(void 0===ControllerClass)throw new Error('"'+meta.type+'" is not a chart type.');meta.controller=new ControllerClass(me,datasetIndex),newControllers.push(meta.controller)}}),me),newControllers},resetElements:function(){var me=this;helpers.each(me.data.datasets,(function(dataset,datasetIndex){me.getDatasetMeta(datasetIndex).controller.reset()}),me)},reset:function(){this.resetElements(),this.tooltip.initialize()},update:function(config){var me=this;if(config&&"object"===_typeof(config)||(config={duration:config,lazy:arguments[1]}),updateConfig(me),!1!==plugins.notify(me,"beforeUpdate")){me.tooltip._data=me.data;var newControllers=me.buildOrUpdateControllers();helpers.each(me.data.datasets,(function(dataset,datasetIndex){me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements()}),me),me.updateLayout(),helpers.each(newControllers,(function(controller){controller.reset()})),me.updateDatasets(),plugins.notify(me,"afterUpdate"),me._bufferedRender?me._bufferedRequest={duration:config.duration,easing:config.easing,lazy:config.lazy}:me.render(config)}},updateLayout:function(){!1!==plugins.notify(this,"beforeLayout")&&(Chart.layoutService.update(this,this.width,this.height),plugins.notify(this,"afterScaleUpdate"),plugins.notify(this,"afterLayout"))},updateDatasets:function(){if(!1!==plugins.notify(this,"beforeDatasetsUpdate")){for(var i=0,ilen=this.data.datasets.length;i<ilen;++i)this.updateDataset(i);plugins.notify(this,"afterDatasetsUpdate")}},updateDataset:function(index){var meta=this.getDatasetMeta(index),args={meta:meta,index:index};!1!==plugins.notify(this,"beforeDatasetUpdate",[args])&&(meta.controller.update(),plugins.notify(this,"afterDatasetUpdate",[args]))},render:function(config){var me=this;config&&"object"===_typeof(config)||(config={duration:config,lazy:arguments[1]});var duration=config.duration,lazy=config.lazy;if(!1!==plugins.notify(me,"beforeRender")){var animationOptions=me.options.animation,onComplete=function(animation){plugins.notify(me,"afterRender"),helpers.callback(animationOptions&&animationOptions.onComplete,[animation],me)};if(animationOptions&&(void 0!==duration&&0!==duration||void 0===duration&&0!==animationOptions.duration)){var animation=new Chart.Animation({numSteps:(duration||animationOptions.duration)/16.66,easing:config.easing||animationOptions.easing,render:function(chart,animationObject){var easingFunction=helpers.easing.effects[animationObject.easing],currentStep=animationObject.currentStep,stepDecimal=currentStep/animationObject.numSteps;chart.draw(easingFunction(stepDecimal),stepDecimal,currentStep)},onAnimationProgress:animationOptions.onProgress,onAnimationComplete:onComplete});Chart.animationService.addAnimation(me,animation,duration,lazy)}else me.draw(),onComplete(new Chart.Animation({numSteps:0,chart:me}));return me}},draw:function(easingValue){var me=this;me.clear(),helpers.isNullOrUndef(easingValue)&&(easingValue=1),me.transition(easingValue),!1!==plugins.notify(me,"beforeDraw",[easingValue])&&(helpers.each(me.boxes,(function(box){box.draw(me.chartArea)}),me),me.scale&&me.scale.draw(),me.drawDatasets(easingValue),me.tooltip.draw(),plugins.notify(me,"afterDraw",[easingValue]))},transition:function(easingValue){for(var i=0,ilen=(this.data.datasets||[]).length;i<ilen;++i)this.isDatasetVisible(i)&&this.getDatasetMeta(i).controller.transition(easingValue);this.tooltip.transition(easingValue)},drawDatasets:function(easingValue){var me=this;if(!1!==plugins.notify(me,"beforeDatasetsDraw",[easingValue])){for(var i=(me.data.datasets||[]).length-1;i>=0;--i)me.isDatasetVisible(i)&&me.drawDataset(i,easingValue);plugins.notify(me,"afterDatasetsDraw",[easingValue])}},drawDataset:function(index,easingValue){var meta=this.getDatasetMeta(index),args={meta:meta,index:index,easingValue:easingValue};!1!==plugins.notify(this,"beforeDatasetDraw",[args])&&(meta.controller.draw(easingValue),plugins.notify(this,"afterDatasetDraw",[args]))},getElementAtEvent:function(e){return Interaction.modes.single(this,e)},getElementsAtEvent:function(e){return Interaction.modes.label(this,e,{intersect:!0})},getElementsAtXAxis:function(e){return Interaction.modes["x-axis"](this,e,{intersect:!0})},getElementsAtEventForMode:function(e,mode,options){var method=Interaction.modes[mode];return"function"==typeof method?method(this,e,options):[]},getDatasetAtEvent:function(e){return Interaction.modes.dataset(this,e,{intersect:!0})},getDatasetMeta:function(datasetIndex){var dataset=this.data.datasets[datasetIndex];dataset._meta||(dataset._meta={});var meta=dataset._meta[this.id];return meta||(meta=dataset._meta[this.id]={type:null,data:[],dataset:null,controller:null,hidden:null,xAxisID:null,yAxisID:null}),meta},getVisibleDatasetCount:function(){for(var count=0,i=0,ilen=this.data.datasets.length;i<ilen;++i)this.isDatasetVisible(i)&&count++;return count},isDatasetVisible:function(datasetIndex){var meta=this.getDatasetMeta(datasetIndex);return"boolean"==typeof meta.hidden?!meta.hidden:!this.data.datasets[datasetIndex].hidden},generateLegend:function(){return this.options.legendCallback(this)},destroyDatasetMeta:function(datasetIndex){var id=this.id,dataset=this.data.datasets[datasetIndex],meta=dataset._meta&&dataset._meta[id];meta&&(meta.controller.destroy(),delete dataset._meta[id])},destroy:function(){var i,ilen,me=this,canvas=me.canvas;for(me.stop(),i=0,ilen=me.data.datasets.length;i<ilen;++i)me.destroyDatasetMeta(i);canvas&&(me.unbindEvents(),helpers.canvas.clear(me),platform.releaseContext(me.ctx),me.canvas=null,me.ctx=null),plugins.notify(me,"destroy"),delete Chart.instances[me.id]},toBase64Image:function(){return this.canvas.toDataURL.apply(this.canvas,arguments)},initToolTip:function(){var me=this;me.tooltip=new Chart.Tooltip({_chart:me,_chartInstance:me,_data:me.data,_options:me.options.tooltips},me)},bindEvents:function(){var me=this,listeners=me._listeners={},listener=function(){me.eventHandler.apply(me,arguments)};helpers.each(me.options.events,(function(type){platform.addEventListener(me,type,listener),listeners[type]=listener})),me.options.responsive&&(listener=function(){me.resize()},platform.addEventListener(me,"resize",listener),listeners.resize=listener)},unbindEvents:function(){var me=this,listeners=me._listeners;listeners&&(delete me._listeners,helpers.each(listeners,(function(listener,type){platform.removeEventListener(me,type,listener)})))},updateHoverStyle:function(elements,mode,enabled){var element,i,ilen,method=enabled?"setHoverStyle":"removeHoverStyle";for(i=0,ilen=elements.length;i<ilen;++i)(element=elements[i])&&this.getDatasetMeta(element._datasetIndex).controller[method](element)},eventHandler:function(e){var me=this,tooltip=me.tooltip;if(!1!==plugins.notify(me,"beforeEvent",[e])){me._bufferedRender=!0,me._bufferedRequest=null;var changed=me.handleEvent(e);changed|=tooltip&&tooltip.handleEvent(e),plugins.notify(me,"afterEvent",[e]);var bufferedRequest=me._bufferedRequest;return bufferedRequest?me.render(bufferedRequest):changed&&!me.animating&&(me.stop(),me.render(me.options.hover.animationDuration,!0)),me._bufferedRender=!1,me._bufferedRequest=null,me}},handleEvent:function(e){var changed,me=this,options=me.options||{},hoverOptions=options.hover;return me.lastActive=me.lastActive||[],"mouseout"===e.type?me.active=[]:me.active=me.getElementsAtEventForMode(e,hoverOptions.mode,hoverOptions),helpers.callback(options.onHover||options.hover.onHover,[e.native,me.active],me),"mouseup"!==e.type&&"click"!==e.type||options.onClick&&options.onClick.call(me,e.native,me.active),me.lastActive.length&&me.updateHoverStyle(me.lastActive,hoverOptions.mode,!1),me.active.length&&hoverOptions.mode&&me.updateHoverStyle(me.active,hoverOptions.mode,!0),changed=!helpers.arrayEquals(me.active,me.lastActive),me.lastActive=me.active,changed}}),Chart.Controller=Chart}},{25:25,28:28,45:45,48:48}],24:[function(require,module,exports){var helpers=require(45);module.exports=function(Chart){var arrayEvents=["push","pop","shift","splice","unshift"];function unlistenArrayEvents(array,listener){var stub=array._chartjs;if(stub){var listeners=stub.listeners,index=listeners.indexOf(listener);-1!==index&&listeners.splice(index,1),listeners.length>0||(arrayEvents.forEach((function(key){delete array[key]})),delete array._chartjs)}}Chart.DatasetController=function(chart,datasetIndex){this.initialize(chart,datasetIndex)},helpers.extend(Chart.DatasetController.prototype,{datasetElementType:null,dataElementType:null,initialize:function(chart,datasetIndex){this.chart=chart,this.index=datasetIndex,this.linkScales(),this.addElements()},updateIndex:function(datasetIndex){this.index=datasetIndex},linkScales:function(){var meta=this.getMeta(),dataset=this.getDataset();null===meta.xAxisID&&(meta.xAxisID=dataset.xAxisID||this.chart.options.scales.xAxes[0].id),null===meta.yAxisID&&(meta.yAxisID=dataset.yAxisID||this.chart.options.scales.yAxes[0].id)},getDataset:function(){return this.chart.data.datasets[this.index]},getMeta:function(){return this.chart.getDatasetMeta(this.index)},getScaleForId:function(scaleID){return this.chart.scales[scaleID]},reset:function(){this.update(!0)},destroy:function(){this._data&&unlistenArrayEvents(this._data,this)},createMetaDataset:function(){var type=this.datasetElementType;return type&&new type({_chart:this.chart,_datasetIndex:this.index})},createMetaData:function(index){var type=this.dataElementType;return type&&new type({_chart:this.chart,_datasetIndex:this.index,_index:index})},addElements:function(){var i,ilen,meta=this.getMeta(),data=this.getDataset().data||[],metaData=meta.data;for(i=0,ilen=data.length;i<ilen;++i)metaData[i]=metaData[i]||this.createMetaData(i);meta.dataset=meta.dataset||this.createMetaDataset()},addElementAndReset:function(index){var element=this.createMetaData(index);this.getMeta().data.splice(index,0,element),this.updateElement(element,index,!0)},buildOrUpdateElements:function(){var array,listener,me=this,dataset=me.getDataset(),data=dataset.data||(dataset.data=[]);me._data!==data&&(me._data&&unlistenArrayEvents(me._data,me),listener=me,(array=data)._chartjs?array._chartjs.listeners.push(listener):(Object.defineProperty(array,"_chartjs",{configurable:!0,enumerable:!1,value:{listeners:[listener]}}),arrayEvents.forEach((function(key){var method="onData"+key.charAt(0).toUpperCase()+key.slice(1),base=array[key];Object.defineProperty(array,key,{configurable:!0,enumerable:!1,value:function(){var args=Array.prototype.slice.call(arguments),res=base.apply(this,args);return helpers.each(array._chartjs.listeners,(function(object){"function"==typeof object[method]&&object[method].apply(object,args)})),res}})}))),me._data=data),me.resyncElements()},update:helpers.noop,transition:function(easingValue){for(var meta=this.getMeta(),elements=meta.data||[],ilen=elements.length,i=0;i<ilen;++i)elements[i].transition(easingValue);meta.dataset&&meta.dataset.transition(easingValue)},draw:function(){var meta=this.getMeta(),elements=meta.data||[],ilen=elements.length,i=0;for(meta.dataset&&meta.dataset.draw();i<ilen;++i)elements[i].draw()},removeHoverStyle:function(element,elementOpts){var dataset=this.chart.data.datasets[element._datasetIndex],index=element._index,custom=element.custom||{},valueOrDefault=helpers.valueAtIndexOrDefault,model=element._model;model.backgroundColor=custom.backgroundColor?custom.backgroundColor:valueOrDefault(dataset.backgroundColor,index,elementOpts.backgroundColor),model.borderColor=custom.borderColor?custom.borderColor:valueOrDefault(dataset.borderColor,index,elementOpts.borderColor),model.borderWidth=custom.borderWidth?custom.borderWidth:valueOrDefault(dataset.borderWidth,index,elementOpts.borderWidth)},setHoverStyle:function(element){var dataset=this.chart.data.datasets[element._datasetIndex],index=element._index,custom=element.custom||{},valueOrDefault=helpers.valueAtIndexOrDefault,getHoverColor=helpers.getHoverColor,model=element._model;model.backgroundColor=custom.hoverBackgroundColor?custom.hoverBackgroundColor:valueOrDefault(dataset.hoverBackgroundColor,index,getHoverColor(model.backgroundColor)),model.borderColor=custom.hoverBorderColor?custom.hoverBorderColor:valueOrDefault(dataset.hoverBorderColor,index,getHoverColor(model.borderColor)),model.borderWidth=custom.hoverBorderWidth?custom.hoverBorderWidth:valueOrDefault(dataset.hoverBorderWidth,index,model.borderWidth)},resyncElements:function(){var meta=this.getMeta(),data=this.getDataset().data,numMeta=meta.data.length,numData=data.length;numData<numMeta?meta.data.splice(numData,numMeta-numData):numData>numMeta&&this.insertElements(numMeta,numData-numMeta)},insertElements:function(start,count){for(var i=0;i<count;++i)this.addElementAndReset(start+i)},onDataPush:function(){this.insertElements(this.getDataset().data.length-1,arguments.length)},onDataPop:function(){this.getMeta().data.pop()},onDataShift:function(){this.getMeta().data.shift()},onDataSplice:function(start,count){this.getMeta().data.splice(start,count),this.insertElements(start,arguments.length-2)},onDataUnshift:function(){this.insertElements(0,arguments.length)}}),Chart.DatasetController.extend=helpers.inherits}},{45:45}],25:[function(require,module,exports){var helpers=require(45);module.exports={_set:function(scope,values){return helpers.merge(this[scope]||(this[scope]={}),values)}}},{45:45}],26:[function(require,module,exports){var color=require(2),helpers=require(45);var Element=function(configuration){helpers.extend(this,configuration),this.initialize.apply(this,arguments)};helpers.extend(Element.prototype,{initialize:function(){this.hidden=!1},pivot:function(){var me=this;return me._view||(me._view=helpers.clone(me._model)),me._start={},me},transition:function(ease){var me=this,model=me._model,start=me._start,view=me._view;return model&&1!==ease?(view||(view=me._view={}),start||(start=me._start={}),function(start,view,model,ease){var i,ilen,key,actual,origin,target,type,c0,c1,keys=Object.keys(model);for(i=0,ilen=keys.length;i<ilen;++i)if(target=model[key=keys[i]],view.hasOwnProperty(key)||(view[key]=target),(actual=view[key])!==target&&"_"!==key[0]){if(start.hasOwnProperty(key)||(start[key]=actual),origin=start[key],(type=_typeof(target))===_typeof(origin))if("string"===type){if((c0=color(origin)).valid&&(c1=color(target)).valid){view[key]=c1.mix(c0,ease).rgbString();continue}}else if("number"===type&&isFinite(origin)&&isFinite(target)){view[key]=origin+(target-origin)*ease;continue}view[key]=target}}(start,view,model,ease),me):(me._view=model,me._start=null,me)},tooltipPosition:function(){return{x:this._model.x,y:this._model.y}},hasValue:function(){return helpers.isNumber(this._model.x)&&helpers.isNumber(this._model.y)}}),Element.extend=helpers.inherits,module.exports=Element},{2:2,45:45}],27:[function(require,module,exports){var color=require(2),defaults=require(25),helpers=require(45);module.exports=function(Chart){function parseMaxStyle(styleValue,node,parentProperty){var valueInPixels;return"string"==typeof styleValue?(valueInPixels=parseInt(styleValue,10),-1!==styleValue.indexOf("%")&&(valueInPixels=valueInPixels/100*node.parentNode[parentProperty])):valueInPixels=styleValue,valueInPixels}function isConstrainedValue(value){return null!=value&&"none"!==value}function getConstraintDimension(domNode,maxStyle,percentageProperty){var view=document.defaultView,parentNode=domNode.parentNode,constrainedNode=view.getComputedStyle(domNode)[maxStyle],constrainedContainer=view.getComputedStyle(parentNode)[maxStyle],hasCNode=isConstrainedValue(constrainedNode),hasCContainer=isConstrainedValue(constrainedContainer),infinity=Number.POSITIVE_INFINITY;return hasCNode||hasCContainer?Math.min(hasCNode?parseMaxStyle(constrainedNode,domNode,percentageProperty):infinity,hasCContainer?parseMaxStyle(constrainedContainer,parentNode,percentageProperty):infinity):"none"}helpers.extend=function(base){for(var setFn=function(value,key){base[key]=value},i=1,ilen=arguments.length;i<ilen;i++)helpers.each(arguments[i],setFn);return base},helpers.configMerge=function(){return helpers.merge(helpers.clone(arguments[0]),[].slice.call(arguments,1),{merger:function(key,target,source,options){var tval=target[key]||{},sval=source[key];"scales"===key?target[key]=helpers.scaleMerge(tval,sval):"scale"===key?target[key]=helpers.merge(tval,[Chart.scaleService.getScaleDefaults(sval.type),sval]):helpers._merger(key,target,source,options)}})},helpers.scaleMerge=function(){return helpers.merge(helpers.clone(arguments[0]),[].slice.call(arguments,1),{merger:function(key,target,source,options){if("xAxes"===key||"yAxes"===key){var i,type,scale,slen=source[key].length;for(target[key]||(target[key]=[]),i=0;i<slen;++i)scale=source[key][i],type=helpers.valueOrDefault(scale.type,"xAxes"===key?"category":"linear"),i>=target[key].length&&target[key].push({}),!target[key][i].type||scale.type&&scale.type!==target[key][i].type?helpers.merge(target[key][i],[Chart.scaleService.getScaleDefaults(type),scale]):helpers.merge(target[key][i],scale)}else helpers._merger(key,target,source,options)}})},helpers.where=function(collection,filterCallback){if(helpers.isArray(collection)&&Array.prototype.filter)return collection.filter(filterCallback);var filtered=[];return helpers.each(collection,(function(item){filterCallback(item)&&filtered.push(item)})),filtered},helpers.findIndex=Array.prototype.findIndex?function(array,callback,scope){return array.findIndex(callback,scope)}:function(array,callback,scope){scope=void 0===scope?array:scope;for(var i=0,ilen=array.length;i<ilen;++i)if(callback.call(scope,array[i],i,array))return i;return-1},helpers.findNextWhere=function(arrayToSearch,filterCallback,startIndex){helpers.isNullOrUndef(startIndex)&&(startIndex=-1);for(var i=startIndex+1;i<arrayToSearch.length;i++){var currentItem=arrayToSearch[i];if(filterCallback(currentItem))return currentItem}},helpers.findPreviousWhere=function(arrayToSearch,filterCallback,startIndex){helpers.isNullOrUndef(startIndex)&&(startIndex=arrayToSearch.length);for(var i=startIndex-1;i>=0;i--){var currentItem=arrayToSearch[i];if(filterCallback(currentItem))return currentItem}},helpers.inherits=function(extensions){var me=this,ChartElement=extensions&&extensions.hasOwnProperty("constructor")?extensions.constructor:function(){return me.apply(this,arguments)},Surrogate=function(){this.constructor=ChartElement};return Surrogate.prototype=me.prototype,ChartElement.prototype=new Surrogate,ChartElement.extend=helpers.inherits,extensions&&helpers.extend(ChartElement.prototype,extensions),ChartElement.__super__=me.prototype,ChartElement},helpers.isNumber=function(n){return!isNaN(parseFloat(n))&&isFinite(n)},helpers.almostEquals=function(x,y,epsilon){return Math.abs(x-y)<epsilon},helpers.almostWhole=function(x,epsilon){var rounded=Math.round(x);return rounded-epsilon<x&&rounded+epsilon>x},helpers.max=function(array){return array.reduce((function(max,value){return isNaN(value)?max:Math.max(max,value)}),Number.NEGATIVE_INFINITY)},helpers.min=function(array){return array.reduce((function(min,value){return isNaN(value)?min:Math.min(min,value)}),Number.POSITIVE_INFINITY)},helpers.sign=Math.sign?function(x){return Math.sign(x)}:function(x){return 0===(x=+x)||isNaN(x)?x:x>0?1:-1},helpers.log10=Math.log10?function(x){return Math.log10(x)}:function(x){return Math.log(x)/Math.LN10},helpers.toRadians=function(degrees){return degrees*(Math.PI/180)},helpers.toDegrees=function(radians){return radians*(180/Math.PI)},helpers.getAngleFromPoint=function(centrePoint,anglePoint){var distanceFromXCenter=anglePoint.x-centrePoint.x,distanceFromYCenter=anglePoint.y-centrePoint.y,radialDistanceFromCenter=Math.sqrt(distanceFromXCenter*distanceFromXCenter+distanceFromYCenter*distanceFromYCenter),angle=Math.atan2(distanceFromYCenter,distanceFromXCenter);return angle<-.5*Math.PI&&(angle+=2*Math.PI),{angle:angle,distance:radialDistanceFromCenter}},helpers.distanceBetweenPoints=function(pt1,pt2){return Math.sqrt(Math.pow(pt2.x-pt1.x,2)+Math.pow(pt2.y-pt1.y,2))},helpers.aliasPixel=function(pixelWidth){return pixelWidth%2==0?0:.5},helpers.splineCurve=function(firstPoint,middlePoint,afterPoint,t){var previous=firstPoint.skip?middlePoint:firstPoint,current=middlePoint,next=afterPoint.skip?middlePoint:afterPoint,d01=Math.sqrt(Math.pow(current.x-previous.x,2)+Math.pow(current.y-previous.y,2)),d12=Math.sqrt(Math.pow(next.x-current.x,2)+Math.pow(next.y-current.y,2)),s01=d01/(d01+d12),s12=d12/(d01+d12),fa=t*(s01=isNaN(s01)?0:s01),fb=t*(s12=isNaN(s12)?0:s12);return{previous:{x:current.x-fa*(next.x-previous.x),y:current.y-fa*(next.y-previous.y)},next:{x:current.x+fb*(next.x-previous.x),y:current.y+fb*(next.y-previous.y)}}},helpers.EPSILON=Number.EPSILON||1e-14,helpers.splineCurveMonotone=function(points){var i,pointBefore,pointCurrent,pointAfter,alphaK,betaK,tauK,squaredMagnitude,deltaX,pointsWithTangents=(points||[]).map((function(point){return{model:point._model,deltaK:0,mK:0}})),pointsLen=pointsWithTangents.length;for(i=0;i<pointsLen;++i)if(!(pointCurrent=pointsWithTangents[i]).model.skip){if(pointBefore=i>0?pointsWithTangents[i-1]:null,(pointAfter=i<pointsLen-1?pointsWithTangents[i+1]:null)&&!pointAfter.model.skip){var slopeDeltaX=pointAfter.model.x-pointCurrent.model.x;pointCurrent.deltaK=0!==slopeDeltaX?(pointAfter.model.y-pointCurrent.model.y)/slopeDeltaX:0}!pointBefore||pointBefore.model.skip?pointCurrent.mK=pointCurrent.deltaK:!pointAfter||pointAfter.model.skip?pointCurrent.mK=pointBefore.deltaK:this.sign(pointBefore.deltaK)!==this.sign(pointCurrent.deltaK)?pointCurrent.mK=0:pointCurrent.mK=(pointBefore.deltaK+pointCurrent.deltaK)/2}for(i=0;i<pointsLen-1;++i)pointCurrent=pointsWithTangents[i],pointAfter=pointsWithTangents[i+1],pointCurrent.model.skip||pointAfter.model.skip||(helpers.almostEquals(pointCurrent.deltaK,0,this.EPSILON)?pointCurrent.mK=pointAfter.mK=0:(alphaK=pointCurrent.mK/pointCurrent.deltaK,betaK=pointAfter.mK/pointCurrent.deltaK,(squaredMagnitude=Math.pow(alphaK,2)+Math.pow(betaK,2))<=9||(tauK=3/Math.sqrt(squaredMagnitude),pointCurrent.mK=alphaK*tauK*pointCurrent.deltaK,pointAfter.mK=betaK*tauK*pointCurrent.deltaK)));for(i=0;i<pointsLen;++i)(pointCurrent=pointsWithTangents[i]).model.skip||(pointBefore=i>0?pointsWithTangents[i-1]:null,pointAfter=i<pointsLen-1?pointsWithTangents[i+1]:null,pointBefore&&!pointBefore.model.skip&&(deltaX=(pointCurrent.model.x-pointBefore.model.x)/3,pointCurrent.model.controlPointPreviousX=pointCurrent.model.x-deltaX,pointCurrent.model.controlPointPreviousY=pointCurrent.model.y-deltaX*pointCurrent.mK),pointAfter&&!pointAfter.model.skip&&(deltaX=(pointAfter.model.x-pointCurrent.model.x)/3,pointCurrent.model.controlPointNextX=pointCurrent.model.x+deltaX,pointCurrent.model.controlPointNextY=pointCurrent.model.y+deltaX*pointCurrent.mK))},helpers.nextItem=function(collection,index,loop){return loop?index>=collection.length-1?collection[0]:collection[index+1]:index>=collection.length-1?collection[collection.length-1]:collection[index+1]},helpers.previousItem=function(collection,index,loop){return loop?index<=0?collection[collection.length-1]:collection[index-1]:index<=0?collection[0]:collection[index-1]},helpers.niceNum=function(range,round){var exponent=Math.floor(helpers.log10(range)),fraction=range/Math.pow(10,exponent);return(round?fraction<1.5?1:fraction<3?2:fraction<7?5:10:fraction<=1?1:fraction<=2?2:fraction<=5?5:10)*Math.pow(10,exponent)},helpers.requestAnimFrame="undefined"==typeof window?function(callback){callback()}:window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(callback){return window.setTimeout(callback,1e3/60)},helpers.getRelativePosition=function(evt,chart){var mouseX,mouseY,e=evt.originalEvent||evt,canvas=evt.currentTarget||evt.srcElement,boundingRect=canvas.getBoundingClientRect(),touches=e.touches;touches&&touches.length>0?(mouseX=touches[0].clientX,mouseY=touches[0].clientY):(mouseX=e.clientX,mouseY=e.clientY);var paddingLeft=parseFloat(helpers.getStyle(canvas,"padding-left")),paddingTop=parseFloat(helpers.getStyle(canvas,"padding-top")),paddingRight=parseFloat(helpers.getStyle(canvas,"padding-right")),paddingBottom=parseFloat(helpers.getStyle(canvas,"padding-bottom")),width=boundingRect.right-boundingRect.left-paddingLeft-paddingRight,height=boundingRect.bottom-boundingRect.top-paddingTop-paddingBottom;return{x:mouseX=Math.round((mouseX-boundingRect.left-paddingLeft)/width*canvas.width/chart.currentDevicePixelRatio),y:mouseY=Math.round((mouseY-boundingRect.top-paddingTop)/height*canvas.height/chart.currentDevicePixelRatio)}},helpers.getConstraintWidth=function(domNode){return getConstraintDimension(domNode,"max-width","clientWidth")},helpers.getConstraintHeight=function(domNode){return getConstraintDimension(domNode,"max-height","clientHeight")},helpers.getMaximumWidth=function(domNode){var container=domNode.parentNode;if(!container)return domNode.clientWidth;var paddingLeft=parseInt(helpers.getStyle(container,"padding-left"),10),paddingRight=parseInt(helpers.getStyle(container,"padding-right"),10),w=container.clientWidth-paddingLeft-paddingRight,cw=helpers.getConstraintWidth(domNode);return isNaN(cw)?w:Math.min(w,cw)},helpers.getMaximumHeight=function(domNode){var container=domNode.parentNode;if(!container)return domNode.clientHeight;var paddingTop=parseInt(helpers.getStyle(container,"padding-top"),10),paddingBottom=parseInt(helpers.getStyle(container,"padding-bottom"),10),h=container.clientHeight-paddingTop-paddingBottom,ch=helpers.getConstraintHeight(domNode);return isNaN(ch)?h:Math.min(h,ch)},helpers.getStyle=function(el,property){return el.currentStyle?el.currentStyle[property]:document.defaultView.getComputedStyle(el,null).getPropertyValue(property)},helpers.retinaScale=function(chart,forceRatio){var pixelRatio=chart.currentDevicePixelRatio=forceRatio||window.devicePixelRatio||1;if(1!==pixelRatio){var canvas=chart.canvas,height=chart.height,width=chart.width;canvas.height=height*pixelRatio,canvas.width=width*pixelRatio,chart.ctx.scale(pixelRatio,pixelRatio),canvas.style.height=height+"px",canvas.style.width=width+"px"}},helpers.fontString=function(pixelSize,fontStyle,fontFamily){return fontStyle+" "+pixelSize+"px "+fontFamily},helpers.longestText=function(ctx,font,arrayOfThings,cache){var data=(cache=cache||{}).data=cache.data||{},gc=cache.garbageCollect=cache.garbageCollect||[];cache.font!==font&&(data=cache.data={},gc=cache.garbageCollect=[],cache.font=font),ctx.font=font;var longest=0;helpers.each(arrayOfThings,(function(thing){null!=thing&&!0!==helpers.isArray(thing)?longest=helpers.measureText(ctx,data,gc,longest,thing):helpers.isArray(thing)&&helpers.each(thing,(function(nestedThing){null==nestedThing||helpers.isArray(nestedThing)||(longest=helpers.measureText(ctx,data,gc,longest,nestedThing))}))}));var gcLen=gc.length/2;if(gcLen>arrayOfThings.length){for(var i=0;i<gcLen;i++)delete data[gc[i]];gc.splice(0,gcLen)}return longest},helpers.measureText=function(ctx,data,gc,longest,string){var textWidth=data[string];return textWidth||(textWidth=data[string]=ctx.measureText(string).width,gc.push(string)),textWidth>longest&&(longest=textWidth),longest},helpers.numberOfLabelLines=function(arrayOfThings){var numberOfLines=1;return helpers.each(arrayOfThings,(function(thing){helpers.isArray(thing)&&thing.length>numberOfLines&&(numberOfLines=thing.length)})),numberOfLines},helpers.color=color?function(value){return value instanceof CanvasGradient&&(value=defaults.global.defaultColor),color(value)}:function(value){return console.error("Color.js not found!"),value},helpers.getHoverColor=function(colorValue){return colorValue instanceof CanvasPattern?colorValue:helpers.color(colorValue).saturate(.5).darken(.1).rgbString()}}},{2:2,25:25,45:45}],28:[function(require,module,exports){var helpers=require(45);function getRelativePosition(e,chart){return e.native?{x:e.x,y:e.y}:helpers.getRelativePosition(e,chart)}function parseVisibleItems(chart,handler){var meta,i,j,ilen,jlen;for(i=0,ilen=chart.data.datasets.length;i<ilen;++i)if(chart.isDatasetVisible(i))for(j=0,jlen=(meta=chart.getDatasetMeta(i)).data.length;j<jlen;++j){var element=meta.data[j];element._view.skip||handler(element)}}function getIntersectItems(chart,position){var elements=[];return parseVisibleItems(chart,(function(element){element.inRange(position.x,position.y)&&elements.push(element)})),elements}function getNearestItems(chart,position,intersect,distanceMetric){var minDistance=Number.POSITIVE_INFINITY,nearestItems=[];return parseVisibleItems(chart,(function(element){if(!intersect||element.inRange(position.x,position.y)){var center=element.getCenterPoint(),distance=distanceMetric(position,center);distance<minDistance?(nearestItems=[element],minDistance=distance):distance===minDistance&&nearestItems.push(element)}})),nearestItems}function getDistanceMetricForAxis(axis){var useX=-1!==axis.indexOf("x"),useY=-1!==axis.indexOf("y");return function(pt1,pt2){var deltaX=useX?Math.abs(pt1.x-pt2.x):0,deltaY=useY?Math.abs(pt1.y-pt2.y):0;return Math.sqrt(Math.pow(deltaX,2)+Math.pow(deltaY,2))}}function indexMode(chart,e,options){var position=getRelativePosition(e,chart);options.axis=options.axis||"x";var distanceMetric=getDistanceMetricForAxis(options.axis),items=options.intersect?getIntersectItems(chart,position):getNearestItems(chart,position,!1,distanceMetric),elements=[];return items.length?(chart.data.datasets.forEach((function(dataset,datasetIndex){if(chart.isDatasetVisible(datasetIndex)){var element=chart.getDatasetMeta(datasetIndex).data[items[0]._index];element&&!element._view.skip&&elements.push(element)}})),elements):[]}module.exports={modes:{single:function(chart,e){var position=getRelativePosition(e,chart),elements=[];return parseVisibleItems(chart,(function(element){if(element.inRange(position.x,position.y))return elements.push(element),elements})),elements.slice(0,1)},label:indexMode,index:indexMode,dataset:function(chart,e,options){var position=getRelativePosition(e,chart);options.axis=options.axis||"xy";var distanceMetric=getDistanceMetricForAxis(options.axis),items=options.intersect?getIntersectItems(chart,position):getNearestItems(chart,position,!1,distanceMetric);return items.length>0&&(items=chart.getDatasetMeta(items[0]._datasetIndex).data),items},"x-axis":function(chart,e){return indexMode(chart,e,{intersect:!0})},point:function(chart,e){return getIntersectItems(chart,getRelativePosition(e,chart))},nearest:function(chart,e,options){var position=getRelativePosition(e,chart);options.axis=options.axis||"xy";var distanceMetric=getDistanceMetricForAxis(options.axis),nearestItems=getNearestItems(chart,position,options.intersect,distanceMetric);return nearestItems.length>1&&nearestItems.sort((function(a,b){var ret=a.getArea()-b.getArea();return 0===ret&&(ret=a._datasetIndex-b._datasetIndex),ret})),nearestItems.slice(0,1)},x:function(chart,e,options){var position=getRelativePosition(e,chart),items=[],intersectsItem=!1;return parseVisibleItems(chart,(function(element){element.inXRange(position.x)&&items.push(element),element.inRange(position.x,position.y)&&(intersectsItem=!0)})),options.intersect&&!intersectsItem&&(items=[]),items},y:function(chart,e,options){var position=getRelativePosition(e,chart),items=[],intersectsItem=!1;return parseVisibleItems(chart,(function(element){element.inYRange(position.y)&&items.push(element),element.inRange(position.x,position.y)&&(intersectsItem=!0)})),options.intersect&&!intersectsItem&&(items=[]),items}}}},{45:45}],29:[function(require,module,exports){require(25)._set("global",{responsive:!0,responsiveAnimationDuration:0,maintainAspectRatio:!0,events:["mousemove","mouseout","click","touchstart","touchmove"],hover:{onHover:null,mode:"nearest",intersect:!0,animationDuration:400},onClick:null,defaultColor:"rgba(0,0,0,0.1)",defaultFontColor:"#666",defaultFontFamily:"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",defaultFontSize:12,defaultFontStyle:"normal",showLines:!0,elements:{},layout:{padding:{top:0,right:0,bottom:0,left:0}}}),module.exports=function(){var Chart=function(item,config){return this.construct(item,config),this};return Chart.Chart=Chart,Chart}},{25:25}],30:[function(require,module,exports){var helpers=require(45);module.exports=function(Chart){function filterByPosition(array,position){return helpers.where(array,(function(v){return v.position===position}))}function sortByWeight(array,reverse){array.forEach((function(v,i){return v._tmpIndex_=i,v})),array.sort((function(a,b){var v0=reverse?b:a,v1=reverse?a:b;return v0.weight===v1.weight?v0._tmpIndex_-v1._tmpIndex_:v0.weight-v1.weight})),array.forEach((function(v){delete v._tmpIndex_}))}Chart.layoutService={defaults:{},addBox:function(chart,item){chart.boxes||(chart.boxes=[]),item.fullWidth=item.fullWidth||!1,item.position=item.position||"top",item.weight=item.weight||0,chart.boxes.push(item)},removeBox:function(chart,layoutItem){var index=chart.boxes?chart.boxes.indexOf(layoutItem):-1;-1!==index&&chart.boxes.splice(index,1)},configure:function(chart,item,options){for(var prop,props=["fullWidth","position","weight"],ilen=props.length,i=0;i<ilen;++i)prop=props[i],options.hasOwnProperty(prop)&&(item[prop]=options[prop])},update:function(chart,width,height){if(chart){var layoutOptions=chart.options.layout||{},padding=helpers.options.toPadding(layoutOptions.padding),leftPadding=padding.left,rightPadding=padding.right,topPadding=padding.top,bottomPadding=padding.bottom,leftBoxes=filterByPosition(chart.boxes,"left"),rightBoxes=filterByPosition(chart.boxes,"right"),topBoxes=filterByPosition(chart.boxes,"top"),bottomBoxes=filterByPosition(chart.boxes,"bottom"),chartAreaBoxes=filterByPosition(chart.boxes,"chartArea");sortByWeight(leftBoxes,!0),sortByWeight(rightBoxes,!1),sortByWeight(topBoxes,!0),sortByWeight(bottomBoxes,!1);var chartWidth=width-leftPadding-rightPadding,chartHeight=height-topPadding-bottomPadding,chartAreaHeight=chartHeight/2,verticalBoxWidth=(width-chartWidth/2)/(leftBoxes.length+rightBoxes.length),horizontalBoxHeight=(height-chartAreaHeight)/(topBoxes.length+bottomBoxes.length),maxChartAreaWidth=chartWidth,maxChartAreaHeight=chartHeight,minBoxSizes=[];helpers.each(leftBoxes.concat(rightBoxes,topBoxes,bottomBoxes),(function(box){var minSize,isHorizontal=box.isHorizontal();isHorizontal?(minSize=box.update(box.fullWidth?chartWidth:maxChartAreaWidth,horizontalBoxHeight),maxChartAreaHeight-=minSize.height):(minSize=box.update(verticalBoxWidth,chartAreaHeight),maxChartAreaWidth-=minSize.width),minBoxSizes.push({horizontal:isHorizontal,minSize:minSize,box:box})}));var maxHorizontalLeftPadding=0,maxHorizontalRightPadding=0,maxVerticalTopPadding=0,maxVerticalBottomPadding=0;helpers.each(topBoxes.concat(bottomBoxes),(function(horizontalBox){if(horizontalBox.getPadding){var boxPadding=horizontalBox.getPadding();maxHorizontalLeftPadding=Math.max(maxHorizontalLeftPadding,boxPadding.left),maxHorizontalRightPadding=Math.max(maxHorizontalRightPadding,boxPadding.right)}})),helpers.each(leftBoxes.concat(rightBoxes),(function(verticalBox){if(verticalBox.getPadding){var boxPadding=verticalBox.getPadding();maxVerticalTopPadding=Math.max(maxVerticalTopPadding,boxPadding.top),maxVerticalBottomPadding=Math.max(maxVerticalBottomPadding,boxPadding.bottom)}}));var totalLeftBoxesWidth=leftPadding,totalRightBoxesWidth=rightPadding,totalTopBoxesHeight=topPadding,totalBottomBoxesHeight=bottomPadding;helpers.each(leftBoxes.concat(rightBoxes),fitBox),helpers.each(leftBoxes,(function(box){totalLeftBoxesWidth+=box.width})),helpers.each(rightBoxes,(function(box){totalRightBoxesWidth+=box.width})),helpers.each(topBoxes.concat(bottomBoxes),fitBox),helpers.each(topBoxes,(function(box){totalTopBoxesHeight+=box.height})),helpers.each(bottomBoxes,(function(box){totalBottomBoxesHeight+=box.height})),helpers.each(leftBoxes.concat(rightBoxes),(function(box){var minBoxSize=helpers.findNextWhere(minBoxSizes,(function(minSize){return minSize.box===box})),scaleMargin={left:0,right:0,top:totalTopBoxesHeight,bottom:totalBottomBoxesHeight};minBoxSize&&box.update(minBoxSize.minSize.width,maxChartAreaHeight,scaleMargin)})),totalLeftBoxesWidth=leftPadding,totalRightBoxesWidth=rightPadding,totalTopBoxesHeight=topPadding,totalBottomBoxesHeight=bottomPadding,helpers.each(leftBoxes,(function(box){totalLeftBoxesWidth+=box.width})),helpers.each(rightBoxes,(function(box){totalRightBoxesWidth+=box.width})),helpers.each(topBoxes,(function(box){totalTopBoxesHeight+=box.height})),helpers.each(bottomBoxes,(function(box){totalBottomBoxesHeight+=box.height}));var leftPaddingAddition=Math.max(maxHorizontalLeftPadding-totalLeftBoxesWidth,0);totalLeftBoxesWidth+=leftPaddingAddition,totalRightBoxesWidth+=Math.max(maxHorizontalRightPadding-totalRightBoxesWidth,0);var topPaddingAddition=Math.max(maxVerticalTopPadding-totalTopBoxesHeight,0);totalTopBoxesHeight+=topPaddingAddition,totalBottomBoxesHeight+=Math.max(maxVerticalBottomPadding-totalBottomBoxesHeight,0);var newMaxChartAreaHeight=height-totalTopBoxesHeight-totalBottomBoxesHeight,newMaxChartAreaWidth=width-totalLeftBoxesWidth-totalRightBoxesWidth;newMaxChartAreaWidth===maxChartAreaWidth&&newMaxChartAreaHeight===maxChartAreaHeight||(helpers.each(leftBoxes,(function(box){box.height=newMaxChartAreaHeight})),helpers.each(rightBoxes,(function(box){box.height=newMaxChartAreaHeight})),helpers.each(topBoxes,(function(box){box.fullWidth||(box.width=newMaxChartAreaWidth)})),helpers.each(bottomBoxes,(function(box){box.fullWidth||(box.width=newMaxChartAreaWidth)})),maxChartAreaHeight=newMaxChartAreaHeight,maxChartAreaWidth=newMaxChartAreaWidth);var left=leftPadding+leftPaddingAddition,top=topPadding+topPaddingAddition;helpers.each(leftBoxes.concat(topBoxes),placeBox),left+=maxChartAreaWidth,top+=maxChartAreaHeight,helpers.each(rightBoxes,placeBox),helpers.each(bottomBoxes,placeBox),chart.chartArea={left:totalLeftBoxesWidth,top:totalTopBoxesHeight,right:totalLeftBoxesWidth+maxChartAreaWidth,bottom:totalTopBoxesHeight+maxChartAreaHeight},helpers.each(chartAreaBoxes,(function(box){box.left=chart.chartArea.left,box.top=chart.chartArea.top,box.right=chart.chartArea.right,box.bottom=chart.chartArea.bottom,box.update(maxChartAreaWidth,maxChartAreaHeight)}))}function fitBox(box){var minBoxSize=helpers.findNextWhere(minBoxSizes,(function(minBox){return minBox.box===box}));if(minBoxSize)if(box.isHorizontal()){var scaleMargin={left:Math.max(totalLeftBoxesWidth,maxHorizontalLeftPadding),right:Math.max(totalRightBoxesWidth,maxHorizontalRightPadding),top:0,bottom:0};box.update(box.fullWidth?chartWidth:maxChartAreaWidth,chartHeight/2,scaleMargin)}else box.update(minBoxSize.minSize.width,maxChartAreaHeight)}function placeBox(box){box.isHorizontal()?(box.left=box.fullWidth?leftPadding:totalLeftBoxesWidth,box.right=box.fullWidth?width-rightPadding:totalLeftBoxesWidth+maxChartAreaWidth,box.top=top,box.bottom=top+box.height,top=box.bottom):(box.left=left,box.right=left+box.width,box.top=totalTopBoxesHeight,box.bottom=totalTopBoxesHeight+maxChartAreaHeight,left=box.right)}}}}},{45:45}],31:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45);defaults._set("global",{plugins:{}}),module.exports=function(Chart){Chart.plugins={_plugins:[],_cacheId:0,register:function(plugins){var p=this._plugins;[].concat(plugins).forEach((function(plugin){-1===p.indexOf(plugin)&&p.push(plugin)})),this._cacheId++},unregister:function(plugins){var p=this._plugins;[].concat(plugins).forEach((function(plugin){var idx=p.indexOf(plugin);-1!==idx&&p.splice(idx,1)})),this._cacheId++},clear:function(){this._plugins=[],this._cacheId++},count:function(){return this._plugins.length},getAll:function(){return this._plugins},notify:function(chart,hook,args){var i,descriptor,plugin,params,method,descriptors=this.descriptors(chart),ilen=descriptors.length;for(i=0;i<ilen;++i)if("function"==typeof(method=(plugin=(descriptor=descriptors[i]).plugin)[hook])&&((params=[chart].concat(args||[])).push(descriptor.options),!1===method.apply(plugin,params)))return!1;return!0},descriptors:function(chart){var cache=chart._plugins||(chart._plugins={});if(cache.id===this._cacheId)return cache.descriptors;var plugins=[],descriptors=[],config=chart&&chart.config||{},options=config.options&&config.options.plugins||{};return this._plugins.concat(config.plugins||[]).forEach((function(plugin){if(-1===plugins.indexOf(plugin)){var id=plugin.id,opts=options[id];!1!==opts&&(!0===opts&&(opts=helpers.clone(defaults.global.plugins[id])),plugins.push(plugin),descriptors.push({plugin:plugin,options:opts||{}}))}})),cache.descriptors=descriptors,cache.id=this._cacheId,descriptors}},Chart.pluginService=Chart.plugins,Chart.PluginBase=Element.extend({})}},{25:25,26:26,45:45}],32:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45),Ticks=require(34);function labelsFromTicks(ticks){var i,ilen,labels=[];for(i=0,ilen=ticks.length;i<ilen;++i)labels.push(ticks[i].label);return labels}function getLineValue(scale,index,offsetGridLines){var lineValue=scale.getPixelForTick(index);return offsetGridLines&&(lineValue-=0===index?(scale.getPixelForTick(1)-lineValue)/2:(lineValue-scale.getPixelForTick(index-1))/2),lineValue}defaults._set("scale",{display:!0,position:"left",offset:!1,gridLines:{display:!0,color:"rgba(0, 0, 0, 0.1)",lineWidth:1,drawBorder:!0,drawOnChartArea:!0,drawTicks:!0,tickMarkLength:10,zeroLineWidth:1,zeroLineColor:"rgba(0,0,0,0.25)",zeroLineBorderDash:[],zeroLineBorderDashOffset:0,offsetGridLines:!1,borderDash:[],borderDashOffset:0},scaleLabel:{display:!1,labelString:"",lineHeight:1.2,padding:{top:4,bottom:4}},ticks:{beginAtZero:!1,minRotation:0,maxRotation:50,mirror:!1,padding:0,reverse:!1,display:!0,autoSkip:!0,autoSkipPadding:0,labelOffset:0,callback:Ticks.formatters.values,minor:{},major:{}}}),module.exports=function(Chart){function computeTextSize(context,tick,font){return helpers.isArray(tick)?helpers.longestText(context,font,tick):context.measureText(tick).width}function parseFontOptions(options){var valueOrDefault=helpers.valueOrDefault,globalDefaults=defaults.global,size=valueOrDefault(options.fontSize,globalDefaults.defaultFontSize),style=valueOrDefault(options.fontStyle,globalDefaults.defaultFontStyle),family=valueOrDefault(options.fontFamily,globalDefaults.defaultFontFamily);return{size:size,style:style,family:family,font:helpers.fontString(size,style,family)}}function parseLineHeight(options){return helpers.options.toLineHeight(helpers.valueOrDefault(options.lineHeight,1.2),helpers.valueOrDefault(options.fontSize,defaults.global.defaultFontSize))}Chart.Scale=Element.extend({getPadding:function(){return{left:this.paddingLeft||0,top:this.paddingTop||0,right:this.paddingRight||0,bottom:this.paddingBottom||0}},getTicks:function(){return this._ticks},mergeTicksOptions:function(){var ticks=this.options.ticks;for(var key in!1===ticks.minor&&(ticks.minor={display:!1}),!1===ticks.major&&(ticks.major={display:!1}),ticks)"major"!==key&&"minor"!==key&&(void 0===ticks.minor[key]&&(ticks.minor[key]=ticks[key]),void 0===ticks.major[key]&&(ticks.major[key]=ticks[key]))},beforeUpdate:function(){helpers.callback(this.options.beforeUpdate,[this])},update:function(maxWidth,maxHeight,margins){var i,ilen,labels,label,ticks,tick,me=this;for(me.beforeUpdate(),me.maxWidth=maxWidth,me.maxHeight=maxHeight,me.margins=helpers.extend({left:0,right:0,top:0,bottom:0},margins),me.longestTextCache=me.longestTextCache||{},me.beforeSetDimensions(),me.setDimensions(),me.afterSetDimensions(),me.beforeDataLimits(),me.determineDataLimits(),me.afterDataLimits(),me.beforeBuildTicks(),ticks=me.buildTicks()||[],me.afterBuildTicks(),me.beforeTickToLabelConversion(),labels=me.convertTicksToLabels(ticks)||me.ticks,me.afterTickToLabelConversion(),me.ticks=labels,i=0,ilen=labels.length;i<ilen;++i)label=labels[i],(tick=ticks[i])?tick.label=label:ticks.push(tick={label:label,major:!1});return me._ticks=ticks,me.beforeCalculateTickRotation(),me.calculateTickRotation(),me.afterCalculateTickRotation(),me.beforeFit(),me.fit(),me.afterFit(),me.afterUpdate(),me.minSize},afterUpdate:function(){helpers.callback(this.options.afterUpdate,[this])},beforeSetDimensions:function(){helpers.callback(this.options.beforeSetDimensions,[this])},setDimensions:function(){var me=this;me.isHorizontal()?(me.width=me.maxWidth,me.left=0,me.right=me.width):(me.height=me.maxHeight,me.top=0,me.bottom=me.height),me.paddingLeft=0,me.paddingTop=0,me.paddingRight=0,me.paddingBottom=0},afterSetDimensions:function(){helpers.callback(this.options.afterSetDimensions,[this])},beforeDataLimits:function(){helpers.callback(this.options.beforeDataLimits,[this])},determineDataLimits:helpers.noop,afterDataLimits:function(){helpers.callback(this.options.afterDataLimits,[this])},beforeBuildTicks:function(){helpers.callback(this.options.beforeBuildTicks,[this])},buildTicks:helpers.noop,afterBuildTicks:function(){helpers.callback(this.options.afterBuildTicks,[this])},beforeTickToLabelConversion:function(){helpers.callback(this.options.beforeTickToLabelConversion,[this])},convertTicksToLabels:function(){var tickOpts=this.options.ticks;this.ticks=this.ticks.map(tickOpts.userCallback||tickOpts.callback,this)},afterTickToLabelConversion:function(){helpers.callback(this.options.afterTickToLabelConversion,[this])},beforeCalculateTickRotation:function(){helpers.callback(this.options.beforeCalculateTickRotation,[this])},calculateTickRotation:function(){var me=this,context=me.ctx,tickOpts=me.options.ticks,labels=labelsFromTicks(me._ticks),tickFont=parseFontOptions(tickOpts);context.font=tickFont.font;var labelRotation=tickOpts.minRotation||0;if(labels.length&&me.options.display&&me.isHorizontal())for(var cosRotation,originalLabelWidth=helpers.longestText(context,tickFont.font,labels,me.longestTextCache),labelWidth=originalLabelWidth,tickWidth=me.getPixelForTick(1)-me.getPixelForTick(0)-6;labelWidth>tickWidth&&labelRotation<tickOpts.maxRotation;){var angleRadians=helpers.toRadians(labelRotation);if(cosRotation=Math.cos(angleRadians),Math.sin(angleRadians)*originalLabelWidth>me.maxHeight){labelRotation--;break}labelRotation++,labelWidth=cosRotation*originalLabelWidth}me.labelRotation=labelRotation},afterCalculateTickRotation:function(){helpers.callback(this.options.afterCalculateTickRotation,[this])},beforeFit:function(){helpers.callback(this.options.beforeFit,[this])},fit:function(){var me=this,minSize=me.minSize={width:0,height:0},labels=labelsFromTicks(me._ticks),opts=me.options,tickOpts=opts.ticks,scaleLabelOpts=opts.scaleLabel,gridLineOpts=opts.gridLines,display=opts.display,isHorizontal=me.isHorizontal(),tickFont=parseFontOptions(tickOpts),tickMarkLength=opts.gridLines.tickMarkLength;if(minSize.width=isHorizontal?me.isFullWidth()?me.maxWidth-me.margins.left-me.margins.right:me.maxWidth:display&&gridLineOpts.drawTicks?tickMarkLength:0,minSize.height=isHorizontal?display&&gridLineOpts.drawTicks?tickMarkLength:0:me.maxHeight,scaleLabelOpts.display&&display){var deltaHeight=parseLineHeight(scaleLabelOpts)+helpers.options.toPadding(scaleLabelOpts.padding).height;isHorizontal?minSize.height+=deltaHeight:minSize.width+=deltaHeight}if(tickOpts.display&&display){var largestTextWidth=helpers.longestText(me.ctx,tickFont.font,labels,me.longestTextCache),tallestLabelHeightInLines=helpers.numberOfLabelLines(labels),lineSpace=.5*tickFont.size,tickPadding=me.options.ticks.padding;if(isHorizontal){me.longestLabelWidth=largestTextWidth;var angleRadians=helpers.toRadians(me.labelRotation),cosRotation=Math.cos(angleRadians),labelHeight=Math.sin(angleRadians)*largestTextWidth+tickFont.size*tallestLabelHeightInLines+lineSpace*(tallestLabelHeightInLines-1)+lineSpace;minSize.height=Math.min(me.maxHeight,minSize.height+labelHeight+tickPadding),me.ctx.font=tickFont.font;var firstLabelWidth=computeTextSize(me.ctx,labels[0],tickFont.font),lastLabelWidth=computeTextSize(me.ctx,labels[labels.length-1],tickFont.font);0!==me.labelRotation?(me.paddingLeft="bottom"===opts.position?cosRotation*firstLabelWidth+3:cosRotation*lineSpace+3,me.paddingRight="bottom"===opts.position?cosRotation*lineSpace+3:cosRotation*lastLabelWidth+3):(me.paddingLeft=firstLabelWidth/2+3,me.paddingRight=lastLabelWidth/2+3)}else tickOpts.mirror?largestTextWidth=0:largestTextWidth+=tickPadding+lineSpace,minSize.width=Math.min(me.maxWidth,minSize.width+largestTextWidth),me.paddingTop=tickFont.size/2,me.paddingBottom=tickFont.size/2}me.handleMargins(),me.width=minSize.width,me.height=minSize.height},handleMargins:function(){var me=this;me.margins&&(me.paddingLeft=Math.max(me.paddingLeft-me.margins.left,0),me.paddingTop=Math.max(me.paddingTop-me.margins.top,0),me.paddingRight=Math.max(me.paddingRight-me.margins.right,0),me.paddingBottom=Math.max(me.paddingBottom-me.margins.bottom,0))},afterFit:function(){helpers.callback(this.options.afterFit,[this])},isHorizontal:function(){return"top"===this.options.position||"bottom"===this.options.position},isFullWidth:function(){return this.options.fullWidth},getRightValue:function(rawValue){if(helpers.isNullOrUndef(rawValue))return NaN;if("number"==typeof rawValue&&!isFinite(rawValue))return NaN;if(rawValue)if(this.isHorizontal()){if(void 0!==rawValue.x)return this.getRightValue(rawValue.x)}else if(void 0!==rawValue.y)return this.getRightValue(rawValue.y);return rawValue},getLabelForIndex:helpers.noop,getPixelForValue:helpers.noop,getValueForPixel:helpers.noop,getPixelForTick:function(index){var me=this,offset=me.options.offset;if(me.isHorizontal()){var tickWidth=(me.width-(me.paddingLeft+me.paddingRight))/Math.max(me._ticks.length-(offset?0:1),1),pixel=tickWidth*index+me.paddingLeft;offset&&(pixel+=tickWidth/2);var finalVal=me.left+Math.round(pixel);return finalVal+=me.isFullWidth()?me.margins.left:0}var innerHeight=me.height-(me.paddingTop+me.paddingBottom);return me.top+index*(innerHeight/(me._ticks.length-1))},getPixelForDecimal:function(decimal){var me=this;if(me.isHorizontal()){var valueOffset=(me.width-(me.paddingLeft+me.paddingRight))*decimal+me.paddingLeft,finalVal=me.left+Math.round(valueOffset);return finalVal+=me.isFullWidth()?me.margins.left:0}return me.top+decimal*me.height},getBasePixel:function(){return this.getPixelForValue(this.getBaseValue())},getBaseValue:function(){var min=this.min,max=this.max;return this.beginAtZero?0:min<0&&max<0?max:min>0&&max>0?min:0},_autoSkip:function(ticks){var skipRatio,i,tick,maxTicks,me=this,isHorizontal=me.isHorizontal(),optionTicks=me.options.ticks.minor,tickCount=ticks.length,labelRotationRadians=helpers.toRadians(me.labelRotation),cosRotation=Math.cos(labelRotationRadians),longestRotatedLabel=me.longestLabelWidth*cosRotation,result=[];for(optionTicks.maxTicksLimit&&(maxTicks=optionTicks.maxTicksLimit),isHorizontal&&(skipRatio=!1,(longestRotatedLabel+optionTicks.autoSkipPadding)*tickCount>me.width-(me.paddingLeft+me.paddingRight)&&(skipRatio=1+Math.floor((longestRotatedLabel+optionTicks.autoSkipPadding)*tickCount/(me.width-(me.paddingLeft+me.paddingRight)))),maxTicks&&tickCount>maxTicks&&(skipRatio=Math.max(skipRatio,Math.floor(tickCount/maxTicks)))),i=0;i<tickCount;i++)tick=ticks[i],((skipRatio>1&&i%skipRatio>0||i%skipRatio==0&&i+skipRatio>=tickCount)&&i!==tickCount-1||helpers.isNullOrUndef(tick.label))&&delete tick.label,result.push(tick);return result},draw:function(chartArea){var me=this,options=me.options;if(options.display){var context=me.ctx,globalDefaults=defaults.global,optionTicks=options.ticks.minor,optionMajorTicks=options.ticks.major||optionTicks,gridLines=options.gridLines,scaleLabel=options.scaleLabel,isRotated=0!==me.labelRotation,isHorizontal=me.isHorizontal(),ticks=optionTicks.autoSkip?me._autoSkip(me.getTicks()):me.getTicks(),tickFontColor=helpers.valueOrDefault(optionTicks.fontColor,globalDefaults.defaultFontColor),tickFont=parseFontOptions(optionTicks),majorTickFontColor=helpers.valueOrDefault(optionMajorTicks.fontColor,globalDefaults.defaultFontColor),majorTickFont=parseFontOptions(optionMajorTicks),tl=gridLines.drawTicks?gridLines.tickMarkLength:0,scaleLabelFontColor=helpers.valueOrDefault(scaleLabel.fontColor,globalDefaults.defaultFontColor),scaleLabelFont=parseFontOptions(scaleLabel),scaleLabelPadding=helpers.options.toPadding(scaleLabel.padding),labelRotationRadians=helpers.toRadians(me.labelRotation),itemsToDraw=[],xTickStart="right"===options.position?me.left:me.right-tl,xTickEnd="right"===options.position?me.left+tl:me.right,yTickStart="bottom"===options.position?me.top:me.bottom-tl,yTickEnd="bottom"===options.position?me.top+tl:me.bottom;if(helpers.each(ticks,(function(tick,index){if(void 0!==tick.label){var lineWidth,lineColor,borderDash,borderDashOffset,tx1,ty1,tx2,ty2,x1,y1,x2,y2,labelX,labelY,label=tick.label;index===me.zeroLineIndex&&options.offset===gridLines.offsetGridLines?(lineWidth=gridLines.zeroLineWidth,lineColor=gridLines.zeroLineColor,borderDash=gridLines.zeroLineBorderDash,borderDashOffset=gridLines.zeroLineBorderDashOffset):(lineWidth=helpers.valueAtIndexOrDefault(gridLines.lineWidth,index),lineColor=helpers.valueAtIndexOrDefault(gridLines.color,index),borderDash=helpers.valueOrDefault(gridLines.borderDash,globalDefaults.borderDash),borderDashOffset=helpers.valueOrDefault(gridLines.borderDashOffset,globalDefaults.borderDashOffset));var textAlign="middle",textBaseline="middle",tickPadding=optionTicks.padding;if(isHorizontal){var labelYOffset=tl+tickPadding;"bottom"===options.position?(textBaseline=isRotated?"middle":"top",textAlign=isRotated?"right":"center",labelY=me.top+labelYOffset):(textBaseline=isRotated?"middle":"bottom",textAlign=isRotated?"left":"center",labelY=me.bottom-labelYOffset);var xLineValue=getLineValue(me,index,gridLines.offsetGridLines&&ticks.length>1);xLineValue<me.left&&(lineColor="rgba(0,0,0,0)"),xLineValue+=helpers.aliasPixel(lineWidth),labelX=me.getPixelForTick(index)+optionTicks.labelOffset,tx1=tx2=x1=x2=xLineValue,ty1=yTickStart,ty2=yTickEnd,y1=chartArea.top,y2=chartArea.bottom}else{var labelXOffset,isLeft="left"===options.position;optionTicks.mirror?(textAlign=isLeft?"left":"right",labelXOffset=tickPadding):(textAlign=isLeft?"right":"left",labelXOffset=tl+tickPadding),labelX=isLeft?me.right-labelXOffset:me.left+labelXOffset;var yLineValue=getLineValue(me,index,gridLines.offsetGridLines&&ticks.length>1);yLineValue<me.top&&(lineColor="rgba(0,0,0,0)"),yLineValue+=helpers.aliasPixel(lineWidth),labelY=me.getPixelForTick(index)+optionTicks.labelOffset,tx1=xTickStart,tx2=xTickEnd,x1=chartArea.left,x2=chartArea.right,ty1=ty2=y1=y2=yLineValue}itemsToDraw.push({tx1:tx1,ty1:ty1,tx2:tx2,ty2:ty2,x1:x1,y1:y1,x2:x2,y2:y2,labelX:labelX,labelY:labelY,glWidth:lineWidth,glColor:lineColor,glBorderDash:borderDash,glBorderDashOffset:borderDashOffset,rotation:-1*labelRotationRadians,label:label,major:tick.major,textBaseline:textBaseline,textAlign:textAlign})}})),helpers.each(itemsToDraw,(function(itemToDraw){if(gridLines.display&&(context.save(),context.lineWidth=itemToDraw.glWidth,context.strokeStyle=itemToDraw.glColor,context.setLineDash&&(context.setLineDash(itemToDraw.glBorderDash),context.lineDashOffset=itemToDraw.glBorderDashOffset),context.beginPath(),gridLines.drawTicks&&(context.moveTo(itemToDraw.tx1,itemToDraw.ty1),context.lineTo(itemToDraw.tx2,itemToDraw.ty2)),gridLines.drawOnChartArea&&(context.moveTo(itemToDraw.x1,itemToDraw.y1),context.lineTo(itemToDraw.x2,itemToDraw.y2)),context.stroke(),context.restore()),optionTicks.display){context.save(),context.translate(itemToDraw.labelX,itemToDraw.labelY),context.rotate(itemToDraw.rotation),context.font=itemToDraw.major?majorTickFont.font:tickFont.font,context.fillStyle=itemToDraw.major?majorTickFontColor:tickFontColor,context.textBaseline=itemToDraw.textBaseline,context.textAlign=itemToDraw.textAlign;var label=itemToDraw.label;if(helpers.isArray(label))for(var i=0,y=0;i<label.length;++i)context.fillText(""+label[i],0,y),y+=1.5*tickFont.size;else context.fillText(label,0,0);context.restore()}})),scaleLabel.display){var scaleLabelX,scaleLabelY,rotation=0,halfLineHeight=parseLineHeight(scaleLabel)/2;if(isHorizontal)scaleLabelX=me.left+(me.right-me.left)/2,scaleLabelY="bottom"===options.position?me.bottom-halfLineHeight-scaleLabelPadding.bottom:me.top+halfLineHeight+scaleLabelPadding.top;else{var isLeft="left"===options.position;scaleLabelX=isLeft?me.left+halfLineHeight+scaleLabelPadding.top:me.right-halfLineHeight-scaleLabelPadding.top,scaleLabelY=me.top+(me.bottom-me.top)/2,rotation=isLeft?-.5*Math.PI:.5*Math.PI}context.save(),context.translate(scaleLabelX,scaleLabelY),context.rotate(rotation),context.textAlign="center",context.textBaseline="middle",context.fillStyle=scaleLabelFontColor,context.font=scaleLabelFont.font,context.fillText(scaleLabel.labelString,0,0),context.restore()}if(gridLines.drawBorder){context.lineWidth=helpers.valueAtIndexOrDefault(gridLines.lineWidth,0),context.strokeStyle=helpers.valueAtIndexOrDefault(gridLines.color,0);var x1=me.left,x2=me.right,y1=me.top,y2=me.bottom,aliasPixel=helpers.aliasPixel(context.lineWidth);isHorizontal?(y1=y2="top"===options.position?me.bottom:me.top,y1+=aliasPixel,y2+=aliasPixel):(x1=x2="left"===options.position?me.right:me.left,x1+=aliasPixel,x2+=aliasPixel),context.beginPath(),context.moveTo(x1,y1),context.lineTo(x2,y2),context.stroke()}}}})}},{25:25,26:26,34:34,45:45}],33:[function(require,module,exports){var defaults=require(25),helpers=require(45);module.exports=function(Chart){Chart.scaleService={constructors:{},defaults:{},registerScaleType:function(type,scaleConstructor,scaleDefaults){this.constructors[type]=scaleConstructor,this.defaults[type]=helpers.clone(scaleDefaults)},getScaleConstructor:function(type){return this.constructors.hasOwnProperty(type)?this.constructors[type]:void 0},getScaleDefaults:function(type){return this.defaults.hasOwnProperty(type)?helpers.merge({},[defaults.scale,this.defaults[type]]):{}},updateScaleDefaults:function(type,additions){this.defaults.hasOwnProperty(type)&&(this.defaults[type]=helpers.extend(this.defaults[type],additions))},addScalesToLayout:function(chart){helpers.each(chart.scales,(function(scale){scale.fullWidth=scale.options.fullWidth,scale.position=scale.options.position,scale.weight=scale.options.weight,Chart.layoutService.addBox(chart,scale)}))}}}},{25:25,45:45}],34:[function(require,module,exports){var helpers=require(45);module.exports={generators:{linear:function(generationOptions,dataRange){var spacing,ticks=[];if(generationOptions.stepSize&&generationOptions.stepSize>0)spacing=generationOptions.stepSize;else{var niceRange=helpers.niceNum(dataRange.max-dataRange.min,!1);spacing=helpers.niceNum(niceRange/(generationOptions.maxTicks-1),!0)}var niceMin=Math.floor(dataRange.min/spacing)*spacing,niceMax=Math.ceil(dataRange.max/spacing)*spacing;generationOptions.min&&generationOptions.max&&generationOptions.stepSize&&helpers.almostWhole((generationOptions.max-generationOptions.min)/generationOptions.stepSize,spacing/1e3)&&(niceMin=generationOptions.min,niceMax=generationOptions.max);var numSpaces=(niceMax-niceMin)/spacing;numSpaces=helpers.almostEquals(numSpaces,Math.round(numSpaces),spacing/1e3)?Math.round(numSpaces):Math.ceil(numSpaces),ticks.push(void 0!==generationOptions.min?generationOptions.min:niceMin);for(var j=1;j<numSpaces;++j)ticks.push(niceMin+j*spacing);return ticks.push(void 0!==generationOptions.max?generationOptions.max:niceMax),ticks},logarithmic:function(generationOptions,dataRange){var exp,significand,ticks=[],valueOrDefault=helpers.valueOrDefault,tickVal=valueOrDefault(generationOptions.min,Math.pow(10,Math.floor(helpers.log10(dataRange.min)))),endExp=Math.floor(helpers.log10(dataRange.max)),endSignificand=Math.ceil(dataRange.max/Math.pow(10,endExp));0===tickVal?(exp=Math.floor(helpers.log10(dataRange.minNotZero)),significand=Math.floor(dataRange.minNotZero/Math.pow(10,exp)),ticks.push(tickVal),tickVal=significand*Math.pow(10,exp)):(exp=Math.floor(helpers.log10(tickVal)),significand=Math.floor(tickVal/Math.pow(10,exp)));do{ticks.push(tickVal),10===++significand&&(significand=1,++exp),tickVal=significand*Math.pow(10,exp)}while(exp<endExp||exp===endExp&&significand<endSignificand);var lastTick=valueOrDefault(generationOptions.max,tickVal);return ticks.push(lastTick),ticks}},formatters:{values:function(value){return helpers.isArray(value)?value:""+value},linear:function(tickValue,index,ticks){var delta=ticks.length>3?ticks[2]-ticks[1]:ticks[1]-ticks[0];Math.abs(delta)>1&&tickValue!==Math.floor(tickValue)&&(delta=tickValue-Math.floor(tickValue));var logDelta=helpers.log10(Math.abs(delta)),tickString="";if(0!==tickValue){var numDecimal=-1*Math.floor(logDelta);numDecimal=Math.max(Math.min(numDecimal,20),0),tickString=tickValue.toFixed(numDecimal)}else tickString="0";return tickString},logarithmic:function(tickValue,index,ticks){var remain=tickValue/Math.pow(10,Math.floor(helpers.log10(tickValue)));return 0===tickValue?"0":1===remain||2===remain||5===remain||0===index||index===ticks.length-1?tickValue.toExponential():""}}}},{45:45}],35:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45);defaults._set("global",{tooltips:{enabled:!0,custom:null,mode:"nearest",position:"average",intersect:!0,backgroundColor:"rgba(0,0,0,0.8)",titleFontStyle:"bold",titleSpacing:2,titleMarginBottom:6,titleFontColor:"#fff",titleAlign:"left",bodySpacing:2,bodyFontColor:"#fff",bodyAlign:"left",footerFontStyle:"bold",footerSpacing:2,footerMarginTop:6,footerFontColor:"#fff",footerAlign:"left",yPadding:6,xPadding:6,caretPadding:2,caretSize:5,cornerRadius:6,multiKeyBackground:"#fff",displayColors:!0,borderColor:"rgba(0,0,0,0)",borderWidth:0,callbacks:{beforeTitle:helpers.noop,title:function(tooltipItems,data){var title="",labels=data.labels,labelCount=labels?labels.length:0;if(tooltipItems.length>0){var item=tooltipItems[0];item.xLabel?title=item.xLabel:labelCount>0&&item.index<labelCount&&(title=labels[item.index])}return title},afterTitle:helpers.noop,beforeBody:helpers.noop,beforeLabel:helpers.noop,label:function(tooltipItem,data){var label=data.datasets[tooltipItem.datasetIndex].label||"";return label&&(label+=": "),label+=tooltipItem.yLabel,label},labelColor:function(tooltipItem,chart){var view=chart.getDatasetMeta(tooltipItem.datasetIndex).data[tooltipItem.index]._view;return{borderColor:view.borderColor,backgroundColor:view.backgroundColor}},labelTextColor:function(){return this._options.bodyFontColor},afterLabel:helpers.noop,afterBody:helpers.noop,beforeFooter:helpers.noop,footer:helpers.noop,afterFooter:helpers.noop}}}),module.exports=function(Chart){function mergeOpacity(colorString,opacity){var color=helpers.color(colorString);return color.alpha(opacity*color.alpha()).rgbaString()}function pushOrConcat(base,toPush){return toPush&&(helpers.isArray(toPush)?Array.prototype.push.apply(base,toPush):base.push(toPush)),base}function getBaseModel(tooltipOpts){var globalDefaults=defaults.global,valueOrDefault=helpers.valueOrDefault;return{xPadding:tooltipOpts.xPadding,yPadding:tooltipOpts.yPadding,xAlign:tooltipOpts.xAlign,yAlign:tooltipOpts.yAlign,bodyFontColor:tooltipOpts.bodyFontColor,_bodyFontFamily:valueOrDefault(tooltipOpts.bodyFontFamily,globalDefaults.defaultFontFamily),_bodyFontStyle:valueOrDefault(tooltipOpts.bodyFontStyle,globalDefaults.defaultFontStyle),_bodyAlign:tooltipOpts.bodyAlign,bodyFontSize:valueOrDefault(tooltipOpts.bodyFontSize,globalDefaults.defaultFontSize),bodySpacing:tooltipOpts.bodySpacing,titleFontColor:tooltipOpts.titleFontColor,_titleFontFamily:valueOrDefault(tooltipOpts.titleFontFamily,globalDefaults.defaultFontFamily),_titleFontStyle:valueOrDefault(tooltipOpts.titleFontStyle,globalDefaults.defaultFontStyle),titleFontSize:valueOrDefault(tooltipOpts.titleFontSize,globalDefaults.defaultFontSize),_titleAlign:tooltipOpts.titleAlign,titleSpacing:tooltipOpts.titleSpacing,titleMarginBottom:tooltipOpts.titleMarginBottom,footerFontColor:tooltipOpts.footerFontColor,_footerFontFamily:valueOrDefault(tooltipOpts.footerFontFamily,globalDefaults.defaultFontFamily),_footerFontStyle:valueOrDefault(tooltipOpts.footerFontStyle,globalDefaults.defaultFontStyle),footerFontSize:valueOrDefault(tooltipOpts.footerFontSize,globalDefaults.defaultFontSize),_footerAlign:tooltipOpts.footerAlign,footerSpacing:tooltipOpts.footerSpacing,footerMarginTop:tooltipOpts.footerMarginTop,caretSize:tooltipOpts.caretSize,cornerRadius:tooltipOpts.cornerRadius,backgroundColor:tooltipOpts.backgroundColor,opacity:0,legendColorBackground:tooltipOpts.multiKeyBackground,displayColors:tooltipOpts.displayColors,borderColor:tooltipOpts.borderColor,borderWidth:tooltipOpts.borderWidth}}Chart.Tooltip=Element.extend({initialize:function(){this._model=getBaseModel(this._options)},getTitle:function(){var me=this,opts=me._options,callbacks=opts.callbacks,beforeTitle=callbacks.beforeTitle.apply(me,arguments),title=callbacks.title.apply(me,arguments),afterTitle=callbacks.afterTitle.apply(me,arguments),lines=[];return lines=pushOrConcat(lines,beforeTitle),lines=pushOrConcat(lines,title),lines=pushOrConcat(lines,afterTitle)},getBeforeBody:function(){var lines=this._options.callbacks.beforeBody.apply(this,arguments);return helpers.isArray(lines)?lines:void 0!==lines?[lines]:[]},getBody:function(tooltipItems,data){var me=this,callbacks=me._options.callbacks,bodyItems=[];return helpers.each(tooltipItems,(function(tooltipItem){var bodyItem={before:[],lines:[],after:[]};pushOrConcat(bodyItem.before,callbacks.beforeLabel.call(me,tooltipItem,data)),pushOrConcat(bodyItem.lines,callbacks.label.call(me,tooltipItem,data)),pushOrConcat(bodyItem.after,callbacks.afterLabel.call(me,tooltipItem,data)),bodyItems.push(bodyItem)})),bodyItems},getAfterBody:function(){var lines=this._options.callbacks.afterBody.apply(this,arguments);return helpers.isArray(lines)?lines:void 0!==lines?[lines]:[]},getFooter:function(){var me=this,callbacks=me._options.callbacks,beforeFooter=callbacks.beforeFooter.apply(me,arguments),footer=callbacks.footer.apply(me,arguments),afterFooter=callbacks.afterFooter.apply(me,arguments),lines=[];return lines=pushOrConcat(lines,beforeFooter),lines=pushOrConcat(lines,footer),lines=pushOrConcat(lines,afterFooter)},update:function(changed){var i,len,element,xScale,yScale,index,datasetIndex,me=this,opts=me._options,existingModel=me._model,model=me._model=getBaseModel(opts),active=me._active,data=me._data,alignment={xAlign:existingModel.xAlign,yAlign:existingModel.yAlign},backgroundPoint={x:existingModel.x,y:existingModel.y},tooltipSize={width:existingModel.width,height:existingModel.height},tooltipPosition={x:existingModel.caretX,y:existingModel.caretY};if(active.length){model.opacity=1;var labelColors=[],labelTextColors=[];tooltipPosition=Chart.Tooltip.positioners[opts.position](active,me._eventPosition);var tooltipItems=[];for(i=0,len=active.length;i<len;++i)tooltipItems.push((element=active[i],xScale=void 0,yScale=void 0,index=void 0,datasetIndex=void 0,xScale=element._xScale,yScale=element._yScale||element._scale,index=element._index,datasetIndex=element._datasetIndex,{xLabel:xScale?xScale.getLabelForIndex(index,datasetIndex):"",yLabel:yScale?yScale.getLabelForIndex(index,datasetIndex):"",index:index,datasetIndex:datasetIndex,x:element._model.x,y:element._model.y}));opts.filter&&(tooltipItems=tooltipItems.filter((function(a){return opts.filter(a,data)}))),opts.itemSort&&(tooltipItems=tooltipItems.sort((function(a,b){return opts.itemSort(a,b,data)}))),helpers.each(tooltipItems,(function(tooltipItem){labelColors.push(opts.callbacks.labelColor.call(me,tooltipItem,me._chart)),labelTextColors.push(opts.callbacks.labelTextColor.call(me,tooltipItem,me._chart))})),model.title=me.getTitle(tooltipItems,data),model.beforeBody=me.getBeforeBody(tooltipItems,data),model.body=me.getBody(tooltipItems,data),model.afterBody=me.getAfterBody(tooltipItems,data),model.footer=me.getFooter(tooltipItems,data),model.x=Math.round(tooltipPosition.x),model.y=Math.round(tooltipPosition.y),model.caretPadding=opts.caretPadding,model.labelColors=labelColors,model.labelTextColors=labelTextColors,model.dataPoints=tooltipItems,tooltipSize=function(tooltip,model){var ctx=tooltip._chart.ctx,height=2*model.yPadding,width=0,body=model.body,combinedBodyLength=body.reduce((function(count,bodyItem){return count+bodyItem.before.length+bodyItem.lines.length+bodyItem.after.length}),0);combinedBodyLength+=model.beforeBody.length+model.afterBody.length;var titleLineCount=model.title.length,footerLineCount=model.footer.length,titleFontSize=model.titleFontSize,bodyFontSize=model.bodyFontSize,footerFontSize=model.footerFontSize;height+=titleLineCount*titleFontSize,height+=titleLineCount?(titleLineCount-1)*model.titleSpacing:0,height+=titleLineCount?model.titleMarginBottom:0,height+=combinedBodyLength*bodyFontSize,height+=combinedBodyLength?(combinedBodyLength-1)*model.bodySpacing:0,height+=footerLineCount?model.footerMarginTop:0,height+=footerLineCount*footerFontSize,height+=footerLineCount?(footerLineCount-1)*model.footerSpacing:0;var widthPadding=0,maxLineWidth=function(line){width=Math.max(width,ctx.measureText(line).width+widthPadding)};return ctx.font=helpers.fontString(titleFontSize,model._titleFontStyle,model._titleFontFamily),helpers.each(model.title,maxLineWidth),ctx.font=helpers.fontString(bodyFontSize,model._bodyFontStyle,model._bodyFontFamily),helpers.each(model.beforeBody.concat(model.afterBody),maxLineWidth),widthPadding=model.displayColors?bodyFontSize+2:0,helpers.each(body,(function(bodyItem){helpers.each(bodyItem.before,maxLineWidth),helpers.each(bodyItem.lines,maxLineWidth),helpers.each(bodyItem.after,maxLineWidth)})),widthPadding=0,ctx.font=helpers.fontString(footerFontSize,model._footerFontStyle,model._footerFontFamily),helpers.each(model.footer,maxLineWidth),{width:width+=2*model.xPadding,height:height}}(this,model),alignment=function(tooltip,size){var lf,rf,olf,orf,yf,model=tooltip._model,chart=tooltip._chart,chartArea=tooltip._chart.chartArea,xAlign="center",yAlign="center";model.y<size.height?yAlign="top":model.y>chart.height-size.height&&(yAlign="bottom");var midX=(chartArea.left+chartArea.right)/2,midY=(chartArea.top+chartArea.bottom)/2;"center"===yAlign?(lf=function(x){return x<=midX},rf=function(x){return x>midX}):(lf=function(x){return x<=size.width/2},rf=function(x){return x>=chart.width-size.width/2}),olf=function(x){return x+size.width>chart.width},orf=function(x){return x-size.width<0},yf=function(y){return y<=midY?"top":"bottom"},lf(model.x)?(xAlign="left",olf(model.x)&&(xAlign="center",yAlign=yf(model.y))):rf(model.x)&&(xAlign="right",orf(model.x)&&(xAlign="center",yAlign=yf(model.y)));var opts=tooltip._options;return{xAlign:opts.xAlign?opts.xAlign:xAlign,yAlign:opts.yAlign?opts.yAlign:yAlign}}(this,tooltipSize),backgroundPoint=function(vm,size,alignment){var x=vm.x,y=vm.y,caretSize=vm.caretSize,caretPadding=vm.caretPadding,cornerRadius=vm.cornerRadius,xAlign=alignment.xAlign,yAlign=alignment.yAlign,paddingAndSize=caretSize+caretPadding,radiusAndPadding=cornerRadius+caretPadding;return"right"===xAlign?x-=size.width:"center"===xAlign&&(x-=size.width/2),"top"===yAlign?y+=paddingAndSize:y-="bottom"===yAlign?size.height+paddingAndSize:size.height/2,"center"===yAlign?"left"===xAlign?x+=paddingAndSize:"right"===xAlign&&(x-=paddingAndSize):"left"===xAlign?x-=radiusAndPadding:"right"===xAlign&&(x+=radiusAndPadding),{x:x,y:y}}(model,tooltipSize,alignment)}else model.opacity=0;return model.xAlign=alignment.xAlign,model.yAlign=alignment.yAlign,model.x=backgroundPoint.x,model.y=backgroundPoint.y,model.width=tooltipSize.width,model.height=tooltipSize.height,model.caretX=tooltipPosition.x,model.caretY=tooltipPosition.y,me._model=model,changed&&opts.custom&&opts.custom.call(me,model),me},drawCaret:function(tooltipPoint,size){var ctx=this._chart.ctx,vm=this._view,caretPosition=this.getCaretPosition(tooltipPoint,size,vm);ctx.lineTo(caretPosition.x1,caretPosition.y1),ctx.lineTo(caretPosition.x2,caretPosition.y2),ctx.lineTo(caretPosition.x3,caretPosition.y3)},getCaretPosition:function(tooltipPoint,size,vm){var x1,x2,x3,y1,y2,y3,caretSize=vm.caretSize,cornerRadius=vm.cornerRadius,xAlign=vm.xAlign,yAlign=vm.yAlign,ptX=tooltipPoint.x,ptY=tooltipPoint.y,width=size.width,height=size.height;if("center"===yAlign)y2=ptY+height/2,"left"===xAlign?(x2=(x1=ptX)-caretSize,x3=x1,y1=y2+caretSize,y3=y2-caretSize):(x2=(x1=ptX+width)+caretSize,x3=x1,y1=y2-caretSize,y3=y2+caretSize);else if("left"===xAlign?(x1=(x2=ptX+cornerRadius+caretSize)-caretSize,x3=x2+caretSize):"right"===xAlign?(x1=(x2=ptX+width-cornerRadius-caretSize)-caretSize,x3=x2+caretSize):(x1=(x2=ptX+width/2)-caretSize,x3=x2+caretSize),"top"===yAlign)y2=(y1=ptY)-caretSize,y3=y1;else{y2=(y1=ptY+height)+caretSize,y3=y1;var tmp=x3;x3=x1,x1=tmp}return{x1:x1,x2:x2,x3:x3,y1:y1,y2:y2,y3:y3}},drawTitle:function(pt,vm,ctx,opacity){var title=vm.title;if(title.length){ctx.textAlign=vm._titleAlign,ctx.textBaseline="top";var i,len,titleFontSize=vm.titleFontSize,titleSpacing=vm.titleSpacing;for(ctx.fillStyle=mergeOpacity(vm.titleFontColor,opacity),ctx.font=helpers.fontString(titleFontSize,vm._titleFontStyle,vm._titleFontFamily),i=0,len=title.length;i<len;++i)ctx.fillText(title[i],pt.x,pt.y),pt.y+=titleFontSize+titleSpacing,i+1===title.length&&(pt.y+=vm.titleMarginBottom-titleSpacing)}},drawBody:function(pt,vm,ctx,opacity){var bodyFontSize=vm.bodyFontSize,bodySpacing=vm.bodySpacing,body=vm.body;ctx.textAlign=vm._bodyAlign,ctx.textBaseline="top",ctx.font=helpers.fontString(bodyFontSize,vm._bodyFontStyle,vm._bodyFontFamily);var xLinePadding=0,fillLineOfText=function(line){ctx.fillText(line,pt.x+xLinePadding,pt.y),pt.y+=bodyFontSize+bodySpacing};helpers.each(vm.beforeBody,fillLineOfText);var drawColorBoxes=vm.displayColors;xLinePadding=drawColorBoxes?bodyFontSize+2:0,helpers.each(body,(function(bodyItem,i){helpers.each(bodyItem.before,fillLineOfText),helpers.each(bodyItem.lines,(function(line){if(drawColorBoxes){ctx.fillStyle=mergeOpacity(vm.legendColorBackground,opacity),ctx.fillRect(pt.x,pt.y,bodyFontSize,bodyFontSize),ctx.lineWidth=1,ctx.strokeStyle=mergeOpacity(vm.labelColors[i].borderColor,opacity),ctx.strokeRect(pt.x,pt.y,bodyFontSize,bodyFontSize),ctx.fillStyle=mergeOpacity(vm.labelColors[i].backgroundColor,opacity),ctx.fillRect(pt.x+1,pt.y+1,bodyFontSize-2,bodyFontSize-2);var textColor=mergeOpacity(vm.labelTextColors[i],opacity);ctx.fillStyle=textColor}fillLineOfText(line)})),helpers.each(bodyItem.after,fillLineOfText)})),xLinePadding=0,helpers.each(vm.afterBody,fillLineOfText),pt.y-=bodySpacing},drawFooter:function(pt,vm,ctx,opacity){var footer=vm.footer;footer.length&&(pt.y+=vm.footerMarginTop,ctx.textAlign=vm._footerAlign,ctx.textBaseline="top",ctx.fillStyle=mergeOpacity(vm.footerFontColor,opacity),ctx.font=helpers.fontString(vm.footerFontSize,vm._footerFontStyle,vm._footerFontFamily),helpers.each(footer,(function(line){ctx.fillText(line,pt.x,pt.y),pt.y+=vm.footerFontSize+vm.footerSpacing})))},drawBackground:function(pt,vm,ctx,tooltipSize,opacity){ctx.fillStyle=mergeOpacity(vm.backgroundColor,opacity),ctx.strokeStyle=mergeOpacity(vm.borderColor,opacity),ctx.lineWidth=vm.borderWidth;var xAlign=vm.xAlign,yAlign=vm.yAlign,x=pt.x,y=pt.y,width=tooltipSize.width,height=tooltipSize.height,radius=vm.cornerRadius;ctx.beginPath(),ctx.moveTo(x+radius,y),"top"===yAlign&&this.drawCaret(pt,tooltipSize),ctx.lineTo(x+width-radius,y),ctx.quadraticCurveTo(x+width,y,x+width,y+radius),"center"===yAlign&&"right"===xAlign&&this.drawCaret(pt,tooltipSize),ctx.lineTo(x+width,y+height-radius),ctx.quadraticCurveTo(x+width,y+height,x+width-radius,y+height),"bottom"===yAlign&&this.drawCaret(pt,tooltipSize),ctx.lineTo(x+radius,y+height),ctx.quadraticCurveTo(x,y+height,x,y+height-radius),"center"===yAlign&&"left"===xAlign&&this.drawCaret(pt,tooltipSize),ctx.lineTo(x,y+radius),ctx.quadraticCurveTo(x,y,x+radius,y),ctx.closePath(),ctx.fill(),vm.borderWidth>0&&ctx.stroke()},draw:function(){var ctx=this._chart.ctx,vm=this._view;if(0!==vm.opacity){var tooltipSize={width:vm.width,height:vm.height},pt={x:vm.x,y:vm.y},opacity=Math.abs(vm.opacity<.001)?0:vm.opacity,hasTooltipContent=vm.title.length||vm.beforeBody.length||vm.body.length||vm.afterBody.length||vm.footer.length;this._options.enabled&&hasTooltipContent&&(this.drawBackground(pt,vm,ctx,tooltipSize,opacity),pt.x+=vm.xPadding,pt.y+=vm.yPadding,this.drawTitle(pt,vm,ctx,opacity),this.drawBody(pt,vm,ctx,opacity),this.drawFooter(pt,vm,ctx,opacity))}},handleEvent:function(e){var me=this,options=me._options,changed=!1;if(me._lastActive=me._lastActive||[],"mouseout"===e.type?me._active=[]:me._active=me._chart.getElementsAtEventForMode(e,options.mode,options),!(changed=!helpers.arrayEquals(me._active,me._lastActive)))return!1;if(me._lastActive=me._active,options.enabled||options.custom){me._eventPosition={x:e.x,y:e.y};var model=me._model;me.update(!0),me.pivot(),changed|=model.x!==me._model.x||model.y!==me._model.y}return changed}}),Chart.Tooltip.positioners={average:function(elements){if(!elements.length)return!1;var i,len,x=0,y=0,count=0;for(i=0,len=elements.length;i<len;++i){var el=elements[i];if(el&&el.hasValue()){var pos=el.tooltipPosition();x+=pos.x,y+=pos.y,++count}}return{x:Math.round(x/count),y:Math.round(y/count)}},nearest:function(elements,eventPosition){var i,len,nearestElement,x=eventPosition.x,y=eventPosition.y,minDistance=Number.POSITIVE_INFINITY;for(i=0,len=elements.length;i<len;++i){var el=elements[i];if(el&&el.hasValue()){var center=el.getCenterPoint(),d=helpers.distanceBetweenPoints(eventPosition,center);d<minDistance&&(minDistance=d,nearestElement=el)}}if(nearestElement){var tp=nearestElement.tooltipPosition();x=tp.x,y=tp.y}return{x:x,y:y}}}}},{25:25,26:26,45:45}],36:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45);defaults._set("global",{elements:{arc:{backgroundColor:defaults.global.defaultColor,borderColor:"#fff",borderWidth:2}}}),module.exports=Element.extend({inLabelRange:function(mouseX){var vm=this._view;return!!vm&&Math.pow(mouseX-vm.x,2)<Math.pow(vm.radius+vm.hoverRadius,2)},inRange:function(chartX,chartY){var vm=this._view;if(vm){for(var pointRelativePosition=helpers.getAngleFromPoint(vm,{x:chartX,y:chartY}),angle=pointRelativePosition.angle,distance=pointRelativePosition.distance,startAngle=vm.startAngle,endAngle=vm.endAngle;endAngle<startAngle;)endAngle+=2*Math.PI;for(;angle>endAngle;)angle-=2*Math.PI;for(;angle<startAngle;)angle+=2*Math.PI;var betweenAngles=angle>=startAngle&&angle<=endAngle,withinRadius=distance>=vm.innerRadius&&distance<=vm.outerRadius;return betweenAngles&&withinRadius}return!1},getCenterPoint:function(){var vm=this._view,halfAngle=(vm.startAngle+vm.endAngle)/2,halfRadius=(vm.innerRadius+vm.outerRadius)/2;return{x:vm.x+Math.cos(halfAngle)*halfRadius,y:vm.y+Math.sin(halfAngle)*halfRadius}},getArea:function(){var vm=this._view;return Math.PI*((vm.endAngle-vm.startAngle)/(2*Math.PI))*(Math.pow(vm.outerRadius,2)-Math.pow(vm.innerRadius,2))},tooltipPosition:function(){var vm=this._view,centreAngle=vm.startAngle+(vm.endAngle-vm.startAngle)/2,rangeFromCentre=(vm.outerRadius-vm.innerRadius)/2+vm.innerRadius;return{x:vm.x+Math.cos(centreAngle)*rangeFromCentre,y:vm.y+Math.sin(centreAngle)*rangeFromCentre}},draw:function(){var ctx=this._chart.ctx,vm=this._view,sA=vm.startAngle,eA=vm.endAngle;ctx.beginPath(),ctx.arc(vm.x,vm.y,vm.outerRadius,sA,eA),ctx.arc(vm.x,vm.y,vm.innerRadius,eA,sA,!0),ctx.closePath(),ctx.strokeStyle=vm.borderColor,ctx.lineWidth=vm.borderWidth,ctx.fillStyle=vm.backgroundColor,ctx.fill(),ctx.lineJoin="bevel",vm.borderWidth&&ctx.stroke()}})},{25:25,26:26,45:45}],37:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45),globalDefaults=defaults.global;defaults._set("global",{elements:{line:{tension:.4,backgroundColor:globalDefaults.defaultColor,borderWidth:3,borderColor:globalDefaults.defaultColor,borderCapStyle:"butt",borderDash:[],borderDashOffset:0,borderJoinStyle:"miter",capBezierPoints:!0,fill:!0}}}),module.exports=Element.extend({draw:function(){var index,current,previous,currentVM,vm=this._view,ctx=this._chart.ctx,spanGaps=vm.spanGaps,points=this._children.slice(),globalOptionLineElements=globalDefaults.elements.line,lastDrawnIndex=-1;for(this._loop&&points.length&&points.push(points[0]),ctx.save(),ctx.lineCap=vm.borderCapStyle||globalOptionLineElements.borderCapStyle,ctx.setLineDash&&ctx.setLineDash(vm.borderDash||globalOptionLineElements.borderDash),ctx.lineDashOffset=vm.borderDashOffset||globalOptionLineElements.borderDashOffset,ctx.lineJoin=vm.borderJoinStyle||globalOptionLineElements.borderJoinStyle,ctx.lineWidth=vm.borderWidth||globalOptionLineElements.borderWidth,ctx.strokeStyle=vm.borderColor||globalDefaults.defaultColor,ctx.beginPath(),lastDrawnIndex=-1,index=0;index<points.length;++index)current=points[index],previous=helpers.previousItem(points,index),currentVM=current._view,0===index?currentVM.skip||(ctx.moveTo(currentVM.x,currentVM.y),lastDrawnIndex=index):(previous=-1===lastDrawnIndex?previous:points[lastDrawnIndex],currentVM.skip||(lastDrawnIndex!==index-1&&!spanGaps||-1===lastDrawnIndex?ctx.moveTo(currentVM.x,currentVM.y):helpers.canvas.lineTo(ctx,previous._view,current._view),lastDrawnIndex=index));ctx.stroke(),ctx.restore()}})},{25:25,26:26,45:45}],38:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45),defaultColor=defaults.global.defaultColor;function xRange(mouseX){var vm=this._view;return!!vm&&Math.pow(mouseX-vm.x,2)<Math.pow(vm.radius+vm.hitRadius,2)}defaults._set("global",{elements:{point:{radius:3,pointStyle:"circle",backgroundColor:defaultColor,borderColor:defaultColor,borderWidth:1,hitRadius:1,hoverRadius:4,hoverBorderWidth:1}}}),module.exports=Element.extend({inRange:function(mouseX,mouseY){var vm=this._view;return!!vm&&Math.pow(mouseX-vm.x,2)+Math.pow(mouseY-vm.y,2)<Math.pow(vm.hitRadius+vm.radius,2)},inLabelRange:xRange,inXRange:xRange,inYRange:function(mouseY){var vm=this._view;return!!vm&&Math.pow(mouseY-vm.y,2)<Math.pow(vm.radius+vm.hitRadius,2)},getCenterPoint:function(){var vm=this._view;return{x:vm.x,y:vm.y}},getArea:function(){return Math.PI*Math.pow(this._view.radius,2)},tooltipPosition:function(){var vm=this._view;return{x:vm.x,y:vm.y,padding:vm.radius+vm.borderWidth}},draw:function(chartArea){var vm=this._view,model=this._model,ctx=this._chart.ctx,pointStyle=vm.pointStyle,radius=vm.radius,x=vm.x,y=vm.y,color=helpers.color,ratio=0;vm.skip||(ctx.strokeStyle=vm.borderColor||defaultColor,ctx.lineWidth=helpers.valueOrDefault(vm.borderWidth,defaults.global.elements.point.borderWidth),ctx.fillStyle=vm.backgroundColor||defaultColor,void 0!==chartArea&&(model.x<chartArea.left||1.01*chartArea.right<model.x||model.y<chartArea.top||1.01*chartArea.bottom<model.y)&&(model.x<chartArea.left?ratio=(x-model.x)/(chartArea.left-model.x):1.01*chartArea.right<model.x?ratio=(model.x-x)/(model.x-chartArea.right):model.y<chartArea.top?ratio=(y-model.y)/(chartArea.top-model.y):1.01*chartArea.bottom<model.y&&(ratio=(model.y-y)/(model.y-chartArea.bottom)),ratio=Math.round(100*ratio)/100,ctx.strokeStyle=color(ctx.strokeStyle).alpha(ratio).rgbString(),ctx.fillStyle=color(ctx.fillStyle).alpha(ratio).rgbString()),helpers.canvas.drawPoint(ctx,pointStyle,radius,x,y))}})},{25:25,26:26,45:45}],39:[function(require,module,exports){var defaults=require(25),Element=require(26);function isVertical(bar){return void 0!==bar._view.width}function getBarBounds(bar){var x1,x2,y1,y2,vm=bar._view;if(isVertical(bar)){var halfWidth=vm.width/2;x1=vm.x-halfWidth,x2=vm.x+halfWidth,y1=Math.min(vm.y,vm.base),y2=Math.max(vm.y,vm.base)}else{var halfHeight=vm.height/2;x1=Math.min(vm.x,vm.base),x2=Math.max(vm.x,vm.base),y1=vm.y-halfHeight,y2=vm.y+halfHeight}return{left:x1,top:y1,right:x2,bottom:y2}}defaults._set("global",{elements:{rectangle:{backgroundColor:defaults.global.defaultColor,borderColor:defaults.global.defaultColor,borderSkipped:"bottom",borderWidth:0}}}),module.exports=Element.extend({draw:function(){var left,right,top,bottom,signX,signY,borderSkipped,ctx=this._chart.ctx,vm=this._view,borderWidth=vm.borderWidth;if(vm.horizontal?(left=vm.base,right=vm.x,top=vm.y-vm.height/2,bottom=vm.y+vm.height/2,signX=right>left?1:-1,signY=1,borderSkipped=vm.borderSkipped||"left"):(left=vm.x-vm.width/2,right=vm.x+vm.width/2,top=vm.y,signX=1,signY=(bottom=vm.base)>top?1:-1,borderSkipped=vm.borderSkipped||"bottom"),borderWidth){var barSize=Math.min(Math.abs(left-right),Math.abs(top-bottom)),halfStroke=(borderWidth=borderWidth>barSize?barSize:borderWidth)/2,borderLeft=left+("left"!==borderSkipped?halfStroke*signX:0),borderRight=right+("right"!==borderSkipped?-halfStroke*signX:0),borderTop=top+("top"!==borderSkipped?halfStroke*signY:0),borderBottom=bottom+("bottom"!==borderSkipped?-halfStroke*signY:0);borderLeft!==borderRight&&(top=borderTop,bottom=borderBottom),borderTop!==borderBottom&&(left=borderLeft,right=borderRight)}ctx.beginPath(),ctx.fillStyle=vm.backgroundColor,ctx.strokeStyle=vm.borderColor,ctx.lineWidth=borderWidth;var corners=[[left,bottom],[left,top],[right,top],[right,bottom]],startCorner=["bottom","left","top","right"].indexOf(borderSkipped,0);function cornerAt(index){return corners[(startCorner+index)%4]}-1===startCorner&&(startCorner=0);var corner=cornerAt(0);ctx.moveTo(corner[0],corner[1]);for(var i=1;i<4;i++)corner=cornerAt(i),ctx.lineTo(corner[0],corner[1]);ctx.fill(),borderWidth&&ctx.stroke()},height:function(){var vm=this._view;return vm.base-vm.y},inRange:function(mouseX,mouseY){var inRange=!1;if(this._view){var bounds=getBarBounds(this);inRange=mouseX>=bounds.left&&mouseX<=bounds.right&&mouseY>=bounds.top&&mouseY<=bounds.bottom}return inRange},inLabelRange:function(mouseX,mouseY){if(!this._view)return!1;var bounds=getBarBounds(this);return isVertical(this)?mouseX>=bounds.left&&mouseX<=bounds.right:mouseY>=bounds.top&&mouseY<=bounds.bottom},inXRange:function(mouseX){var bounds=getBarBounds(this);return mouseX>=bounds.left&&mouseX<=bounds.right},inYRange:function(mouseY){var bounds=getBarBounds(this);return mouseY>=bounds.top&&mouseY<=bounds.bottom},getCenterPoint:function(){var x,y,vm=this._view;return isVertical(this)?(x=vm.x,y=(vm.y+vm.base)/2):(x=(vm.x+vm.base)/2,y=vm.y),{x:x,y:y}},getArea:function(){var vm=this._view;return vm.width*Math.abs(vm.y-vm.base)},tooltipPosition:function(){var vm=this._view;return{x:vm.x,y:vm.y}}})},{25:25,26:26}],40:[function(require,module,exports){module.exports={},module.exports.Arc=require(36),module.exports.Line=require(37),module.exports.Point=require(38),module.exports.Rectangle=require(39)},{36:36,37:37,38:38,39:39}],41:[function(require,module,exports){var helpers=require(42);exports=module.exports={clear:function(chart){chart.ctx.clearRect(0,0,chart.width,chart.height)},roundedRect:function(ctx,x,y,width,height,radius){if(radius){var rx=Math.min(radius,width/2),ry=Math.min(radius,height/2);ctx.moveTo(x+rx,y),ctx.lineTo(x+width-rx,y),ctx.quadraticCurveTo(x+width,y,x+width,y+ry),ctx.lineTo(x+width,y+height-ry),ctx.quadraticCurveTo(x+width,y+height,x+width-rx,y+height),ctx.lineTo(x+rx,y+height),ctx.quadraticCurveTo(x,y+height,x,y+height-ry),ctx.lineTo(x,y+ry),ctx.quadraticCurveTo(x,y,x+rx,y)}else ctx.rect(x,y,width,height)},drawPoint:function(ctx,style,radius,x,y){var type,edgeLength,xOffset,yOffset,height,size;if("object"!==_typeof(style)||"[object HTMLImageElement]"!==(type=style.toString())&&"[object HTMLCanvasElement]"!==type){if(!(isNaN(radius)||radius<=0)){switch(style){default:ctx.beginPath(),ctx.arc(x,y,radius,0,2*Math.PI),ctx.closePath(),ctx.fill();break;case"triangle":ctx.beginPath(),height=(edgeLength=3*radius/Math.sqrt(3))*Math.sqrt(3)/2,ctx.moveTo(x-edgeLength/2,y+height/3),ctx.lineTo(x+edgeLength/2,y+height/3),ctx.lineTo(x,y-2*height/3),ctx.closePath(),ctx.fill();break;case"rect":size=1/Math.SQRT2*radius,ctx.beginPath(),ctx.fillRect(x-size,y-size,2*size,2*size),ctx.strokeRect(x-size,y-size,2*size,2*size);break;case"rectRounded":var offset=radius/Math.SQRT2,leftX=x-offset,topY=y-offset,sideSize=Math.SQRT2*radius;ctx.beginPath(),this.roundedRect(ctx,leftX,topY,sideSize,sideSize,radius/2),ctx.closePath(),ctx.fill();break;case"rectRot":size=1/Math.SQRT2*radius,ctx.beginPath(),ctx.moveTo(x-size,y),ctx.lineTo(x,y+size),ctx.lineTo(x+size,y),ctx.lineTo(x,y-size),ctx.closePath(),ctx.fill();break;case"cross":ctx.beginPath(),ctx.moveTo(x,y+radius),ctx.lineTo(x,y-radius),ctx.moveTo(x-radius,y),ctx.lineTo(x+radius,y),ctx.closePath();break;case"crossRot":ctx.beginPath(),xOffset=Math.cos(Math.PI/4)*radius,yOffset=Math.sin(Math.PI/4)*radius,ctx.moveTo(x-xOffset,y-yOffset),ctx.lineTo(x+xOffset,y+yOffset),ctx.moveTo(x-xOffset,y+yOffset),ctx.lineTo(x+xOffset,y-yOffset),ctx.closePath();break;case"star":ctx.beginPath(),ctx.moveTo(x,y+radius),ctx.lineTo(x,y-radius),ctx.moveTo(x-radius,y),ctx.lineTo(x+radius,y),xOffset=Math.cos(Math.PI/4)*radius,yOffset=Math.sin(Math.PI/4)*radius,ctx.moveTo(x-xOffset,y-yOffset),ctx.lineTo(x+xOffset,y+yOffset),ctx.moveTo(x-xOffset,y+yOffset),ctx.lineTo(x+xOffset,y-yOffset),ctx.closePath();break;case"line":ctx.beginPath(),ctx.moveTo(x-radius,y),ctx.lineTo(x+radius,y),ctx.closePath();break;case"dash":ctx.beginPath(),ctx.moveTo(x,y),ctx.lineTo(x+radius,y),ctx.closePath()}ctx.stroke()}}else ctx.drawImage(style,x-style.width/2,y-style.height/2,style.width,style.height)},clipArea:function(ctx,area){ctx.save(),ctx.beginPath(),ctx.rect(area.left,area.top,area.right-area.left,area.bottom-area.top),ctx.clip()},unclipArea:function(ctx){ctx.restore()},lineTo:function(ctx,previous,target,flip){if(target.steppedLine)return"after"===target.steppedLine&&!flip||"after"!==target.steppedLine&&flip?ctx.lineTo(previous.x,target.y):ctx.lineTo(target.x,previous.y),void ctx.lineTo(target.x,target.y);target.tension?ctx.bezierCurveTo(flip?previous.controlPointPreviousX:previous.controlPointNextX,flip?previous.controlPointPreviousY:previous.controlPointNextY,flip?target.controlPointNextX:target.controlPointPreviousX,flip?target.controlPointNextY:target.controlPointPreviousY,target.x,target.y):ctx.lineTo(target.x,target.y)}};helpers.clear=exports.clear,helpers.drawRoundedRectangle=function(ctx){ctx.beginPath(),exports.roundedRect.apply(exports,arguments),ctx.closePath()}},{42:42}],42:[function(require,module,exports){var id,helpers={noop:function(){},uid:(id=0,function(){return id++}),isNullOrUndef:function(value){return null==value},isArray:Array.isArray?Array.isArray:function(value){return"[object Array]"===Object.prototype.toString.call(value)},isObject:function(value){return null!==value&&"[object Object]"===Object.prototype.toString.call(value)},valueOrDefault:function(value,defaultValue){return void 0===value?defaultValue:value},valueAtIndexOrDefault:function(value,index,defaultValue){return helpers.valueOrDefault(helpers.isArray(value)?value[index]:value,defaultValue)},callback:function(fn,args,thisArg){if(fn&&"function"==typeof fn.call)return fn.apply(thisArg,args)},each:function(loopable,fn,thisArg,reverse){var i,len,keys;if(helpers.isArray(loopable))if(len=loopable.length,reverse)for(i=len-1;i>=0;i--)fn.call(thisArg,loopable[i],i);else for(i=0;i<len;i++)fn.call(thisArg,loopable[i],i);else if(helpers.isObject(loopable))for(len=(keys=Object.keys(loopable)).length,i=0;i<len;i++)fn.call(thisArg,loopable[keys[i]],keys[i])},arrayEquals:function(a0,a1){var i,ilen,v0,v1;if(!a0||!a1||a0.length!==a1.length)return!1;for(i=0,ilen=a0.length;i<ilen;++i)if(v0=a0[i],v1=a1[i],v0 instanceof Array&&v1 instanceof Array){if(!helpers.arrayEquals(v0,v1))return!1}else if(v0!==v1)return!1;return!0},clone:function(source){if(helpers.isArray(source))return source.map(helpers.clone);if(helpers.isObject(source)){for(var target={},keys=Object.keys(source),klen=keys.length,k=0;k<klen;++k)target[keys[k]]=helpers.clone(source[keys[k]]);return target}return source},_merger:function(key,target,source,options){var tval=target[key],sval=source[key];helpers.isObject(tval)&&helpers.isObject(sval)?helpers.merge(tval,sval,options):target[key]=helpers.clone(sval)},_mergerIf:function(key,target,source){var tval=target[key],sval=source[key];helpers.isObject(tval)&&helpers.isObject(sval)?helpers.mergeIf(tval,sval):target.hasOwnProperty(key)||(target[key]=helpers.clone(sval))},merge:function(target,source,options){var merge,i,keys,klen,k,sources=helpers.isArray(source)?source:[source],ilen=sources.length;if(!helpers.isObject(target))return target;for(merge=(options=options||{}).merger||helpers._merger,i=0;i<ilen;++i)if(source=sources[i],helpers.isObject(source))for(k=0,klen=(keys=Object.keys(source)).length;k<klen;++k)merge(keys[k],target,source,options);return target},mergeIf:function(target,source){return helpers.merge(target,source,{merger:helpers._mergerIf})}};module.exports=helpers,helpers.callCallback=helpers.callback,helpers.indexOf=function(array,item,fromIndex){return Array.prototype.indexOf.call(array,item,fromIndex)},helpers.getValueOrDefault=helpers.valueOrDefault,helpers.getValueAtIndexOrDefault=helpers.valueAtIndexOrDefault},{}],43:[function(require,module,exports){var helpers=require(42),effects={linear:function(t){return t},easeInQuad:function(t){return t*t},easeOutQuad:function(t){return-t*(t-2)},easeInOutQuad:function(t){return(t/=.5)<1?.5*t*t:-.5*(--t*(t-2)-1)},easeInCubic:function(t){return t*t*t},easeOutCubic:function(t){return(t-=1)*t*t+1},easeInOutCubic:function(t){return(t/=.5)<1?.5*t*t*t:.5*((t-=2)*t*t+2)},easeInQuart:function(t){return t*t*t*t},easeOutQuart:function(t){return-((t-=1)*t*t*t-1)},easeInOutQuart:function(t){return(t/=.5)<1?.5*t*t*t*t:-.5*((t-=2)*t*t*t-2)},easeInQuint:function(t){return t*t*t*t*t},easeOutQuint:function(t){return(t-=1)*t*t*t*t+1},easeInOutQuint:function(t){return(t/=.5)<1?.5*t*t*t*t*t:.5*((t-=2)*t*t*t*t+2)},easeInSine:function(t){return 1-Math.cos(t*(Math.PI/2))},easeOutSine:function(t){return Math.sin(t*(Math.PI/2))},easeInOutSine:function(t){return-.5*(Math.cos(Math.PI*t)-1)},easeInExpo:function(t){return 0===t?0:Math.pow(2,10*(t-1))},easeOutExpo:function(t){return 1===t?1:1-Math.pow(2,-10*t)},easeInOutExpo:function(t){return 0===t?0:1===t?1:(t/=.5)<1?.5*Math.pow(2,10*(t-1)):.5*(2-Math.pow(2,-10*--t))},easeInCirc:function(t){return t>=1?t:-(Math.sqrt(1-t*t)-1)},easeOutCirc:function(t){return Math.sqrt(1-(t-=1)*t)},easeInOutCirc:function(t){return(t/=.5)<1?-.5*(Math.sqrt(1-t*t)-1):.5*(Math.sqrt(1-(t-=2)*t)+1)},easeInElastic:function(t){var s=1.70158,p=0,a=1;return 0===t?0:1===t?1:(p||(p=.3),a<1?(a=1,s=p/4):s=p/(2*Math.PI)*Math.asin(1/a),-a*Math.pow(2,10*(t-=1))*Math.sin((t-s)*(2*Math.PI)/p))},easeOutElastic:function(t){var s=1.70158,p=0,a=1;return 0===t?0:1===t?1:(p||(p=.3),a<1?(a=1,s=p/4):s=p/(2*Math.PI)*Math.asin(1/a),a*Math.pow(2,-10*t)*Math.sin((t-s)*(2*Math.PI)/p)+1)},easeInOutElastic:function(t){var s=1.70158,p=0,a=1;return 0===t?0:2==(t/=.5)?1:(p||(p=.45),a<1?(a=1,s=p/4):s=p/(2*Math.PI)*Math.asin(1/a),t<1?a*Math.pow(2,10*(t-=1))*Math.sin((t-s)*(2*Math.PI)/p)*-.5:a*Math.pow(2,-10*(t-=1))*Math.sin((t-s)*(2*Math.PI)/p)*.5+1)},easeInBack:function(t){var s=1.70158;return t*t*((s+1)*t-s)},easeOutBack:function(t){var s=1.70158;return(t-=1)*t*((s+1)*t+s)+1},easeInOutBack:function(t){var s=1.70158;return(t/=.5)<1?t*t*((1+(s*=1.525))*t-s)*.5:.5*((t-=2)*t*((1+(s*=1.525))*t+s)+2)},easeInBounce:function(t){return 1-effects.easeOutBounce(1-t)},easeOutBounce:function(t){return t<1/2.75?7.5625*t*t:t<2/2.75?7.5625*(t-=1.5/2.75)*t+.75:t<2.5/2.75?7.5625*(t-=2.25/2.75)*t+.9375:7.5625*(t-=2.625/2.75)*t+.984375},easeInOutBounce:function(t){return t<.5?.5*effects.easeInBounce(2*t):.5*effects.easeOutBounce(2*t-1)+.5}};module.exports={effects:effects},helpers.easingEffects=effects},{42:42}],44:[function(require,module,exports){var helpers=require(42);module.exports={toLineHeight:function(value,size){var matches=(""+value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/);if(!matches||"normal"===matches[1])return 1.2*size;switch(value=+matches[2],matches[3]){case"px":return value;case"%":value/=100}return size*value},toPadding:function(value){var t,r,b,l;return helpers.isObject(value)?(t=+value.top||0,r=+value.right||0,b=+value.bottom||0,l=+value.left||0):t=r=b=l=+value||0,{top:t,right:r,bottom:b,left:l,height:t+b,width:l+r}},resolve:function(inputs,context,index){var i,ilen,value;for(i=0,ilen=inputs.length;i<ilen;++i)if(void 0!==(value=inputs[i])&&(void 0!==context&&"function"==typeof value&&(value=value(context)),void 0!==index&&helpers.isArray(value)&&(value=value[index]),void 0!==value))return value}}},{42:42}],45:[function(require,module,exports){module.exports=require(42),module.exports.easing=require(43),module.exports.canvas=require(41),module.exports.options=require(44)},{41:41,42:42,43:43,44:44}],46:[function(require,module,exports){module.exports={acquireContext:function(item){return item&&item.canvas&&(item=item.canvas),item&&item.getContext("2d")||null}}},{}],47:[function(require,module,exports){var helpers=require(45),ANIMATION_START_EVENTS=["animationstart","webkitAnimationStart"],EVENT_TYPES={touchstart:"mousedown",touchmove:"mousemove",touchend:"mouseup",pointerenter:"mouseenter",pointerdown:"mousedown",pointermove:"mousemove",pointerup:"mouseup",pointerleave:"mouseout",pointerout:"mouseout"};function readUsedSize(element,property){var value=helpers.getStyle(element,property),matches=value&&value.match(/^(\d+)(\.\d+)?px$/);return matches?Number(matches[1]):void 0}var eventListenerOptions=!!function(){var supports=!1;try{var options=Object.defineProperty({},"passive",{get:function(){supports=!0}});window.addEventListener("e",null,options)}catch(e){}return supports}()&&{passive:!0};function _addEventListener(node,type,listener){node.addEventListener(type,listener,eventListenerOptions)}function _removeEventListener(node,type,listener){node.removeEventListener(type,listener,eventListenerOptions)}function createEvent(type,chart,x,y,nativeEvent){return{type:type,chart:chart,native:nativeEvent||null,x:void 0!==x?x:null,y:void 0!==y?y:null}}function addResizeListener(node,listener,chart){var fn,thisArg,ticking,args,expando=node.$chartjs||(node.$chartjs={}),resizer=expando.resizer=function(handler){var resizer=document.createElement("div"),cls="chartjs-size-monitor",style="position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;pointer-events:none;visibility:hidden;z-index:-1;";resizer.style.cssText=style,resizer.className=cls,resizer.innerHTML='<div class="'+cls+'-expand" style="'+style+'"><div style="position:absolute;width:1000000px;height:1000000px;left:0;top:0"></div></div><div class="'+cls+'-shrink" style="'+style+'"><div style="position:absolute;width:200%;height:200%;left:0; top:0"></div></div>';var expand=resizer.childNodes[0],shrink=resizer.childNodes[1];resizer._reset=function(){expand.scrollLeft=1e6,expand.scrollTop=1e6,shrink.scrollLeft=1e6,shrink.scrollTop=1e6};var onScroll=function(){resizer._reset(),handler()};return _addEventListener(expand,"scroll",onScroll.bind(expand,"expand")),_addEventListener(shrink,"scroll",onScroll.bind(shrink,"shrink")),resizer}((fn=function(){if(expando.resizer)return listener(createEvent("resize",chart))},ticking=!1,args=[],function(){args=Array.prototype.slice.call(arguments),thisArg=thisArg||this,ticking||(ticking=!0,helpers.requestAnimFrame.call(window,(function(){ticking=!1,fn.apply(thisArg,args)})))}));!function(node,handler){var proxy=(node.$chartjs||(node.$chartjs={})).renderProxy=function(e){"chartjs-render-animation"===e.animationName&&handler()};helpers.each(ANIMATION_START_EVENTS,(function(type){_addEventListener(node,type,proxy)})),node.classList.add("chartjs-render-monitor")}(node,(function(){if(expando.resizer){var container=node.parentNode;container&&container!==resizer.parentNode&&container.insertBefore(resizer,container.firstChild),resizer._reset()}}))}function removeResizeListener(node){var expando=node.$chartjs||{},resizer=expando.resizer;delete expando.resizer,function(node){var expando=node.$chartjs||{},proxy=expando.renderProxy;proxy&&(helpers.each(ANIMATION_START_EVENTS,(function(type){_removeEventListener(node,type,proxy)})),delete expando.renderProxy),node.classList.remove("chartjs-render-monitor")}(node),resizer&&resizer.parentNode&&resizer.parentNode.removeChild(resizer)}module.exports={_enabled:"undefined"!=typeof window&&"undefined"!=typeof document,initialize:function(){var platform,css,style,keyframes="from{opacity:0.99}to{opacity:1}";css="@-webkit-keyframes chartjs-render-animation{"+keyframes+"}@keyframes chartjs-render-animation{"+keyframes+"}.chartjs-render-monitor{-webkit-animation:chartjs-render-animation 0.001s;animation:chartjs-render-animation 0.001s;}",style=(platform=this)._style||document.createElement("style"),platform._style||(platform._style=style,css="/* Chart.js */\n"+css,style.setAttribute("type","text/css"),document.getElementsByTagName("head")[0].appendChild(style)),style.appendChild(document.createTextNode(css))},acquireContext:function(item,config){"string"==typeof item?item=document.getElementById(item):item.length&&(item=item[0]),item&&item.canvas&&(item=item.canvas);var context=item&&item.getContext&&item.getContext("2d");return context&&context.canvas===item?(function(canvas,config){var style=canvas.style,renderHeight=canvas.getAttribute("height"),renderWidth=canvas.getAttribute("width");if(canvas.$chartjs={initial:{height:renderHeight,width:renderWidth,style:{display:style.display,height:style.height,width:style.width}}},style.display=style.display||"block",null===renderWidth||""===renderWidth){var displayWidth=readUsedSize(canvas,"width");void 0!==displayWidth&&(canvas.width=displayWidth)}if(null===renderHeight||""===renderHeight)if(""===canvas.style.height)canvas.height=canvas.width/(config.options.aspectRatio||2);else{var displayHeight=readUsedSize(canvas,"height");void 0!==displayWidth&&(canvas.height=displayHeight)}}(item,config),context):null},releaseContext:function(context){var canvas=context.canvas;if(canvas.$chartjs){var initial=canvas.$chartjs.initial;["height","width"].forEach((function(prop){var value=initial[prop];helpers.isNullOrUndef(value)?canvas.removeAttribute(prop):canvas.setAttribute(prop,value)})),helpers.each(initial.style||{},(function(value,key){canvas.style[key]=value})),canvas.width=canvas.width,delete canvas.$chartjs}},addEventListener:function(chart,type,listener){var canvas=chart.canvas;if("resize"!==type){var expando=listener.$chartjs||(listener.$chartjs={}),proxy=(expando.proxies||(expando.proxies={}))[chart.id+"_"+type]=function(event){listener(function(event,chart){var type=EVENT_TYPES[event.type]||event.type,pos=helpers.getRelativePosition(event,chart);return createEvent(type,chart,pos.x,pos.y,event)}(event,chart))};_addEventListener(canvas,type,proxy)}else addResizeListener(canvas,listener,chart)},removeEventListener:function(chart,type,listener){var canvas=chart.canvas;if("resize"!==type){var proxy=((listener.$chartjs||{}).proxies||{})[chart.id+"_"+type];proxy&&_removeEventListener(canvas,type,proxy)}else removeResizeListener(canvas)}},helpers.addEvent=_addEventListener,helpers.removeEvent=_removeEventListener},{45:45}],48:[function(require,module,exports){var helpers=require(45),basic=require(46),dom=require(47),implementation=dom._enabled?dom:basic;module.exports=helpers.extend({initialize:function(){},acquireContext:function(){},releaseContext:function(){},addEventListener:function(){},removeEventListener:function(){}},implementation)},{45:45,46:46,47:47}],49:[function(require,module,exports){var defaults=require(25),elements=require(40),helpers=require(45);defaults._set("global",{plugins:{filler:{propagate:!0}}}),module.exports=function(){var mappers={dataset:function(source){var index=source.fill,chart=source.chart,meta=chart.getDatasetMeta(index),points=meta&&chart.isDatasetVisible(index)&&meta.dataset._children||[],length=points.length||0;return length?function(point,i){return i<length&&points[i]._view||null}:null},boundary:function(source){var boundary=source.boundary,x=boundary?boundary.x:null,y=boundary?boundary.y:null;return function(point){return{x:null===x?point.x:x,y:null===y?point.y:y}}}};function decodeFill(el,index,count){var target,model=el._model||{},fill=model.fill;if(void 0===fill&&(fill=!!model.backgroundColor),!1===fill||null===fill)return!1;if(!0===fill)return"origin";if(target=parseFloat(fill,10),isFinite(target)&&Math.floor(target)===target)return"-"!==fill[0]&&"+"!==fill[0]||(target=index+target),!(target===index||target<0||target>=count)&&target;switch(fill){case"bottom":return"start";case"top":return"end";case"zero":return"origin";case"origin":case"start":case"end":return fill;default:return!1}}function computeBoundary(source){var horizontal,model=source.el._model||{},scale=source.el._scale||{},fill=source.fill,target=null;if(isFinite(fill))return null;if("start"===fill?target=void 0===model.scaleBottom?scale.bottom:model.scaleBottom:"end"===fill?target=void 0===model.scaleTop?scale.top:model.scaleTop:void 0!==model.scaleZero?target=model.scaleZero:scale.getBasePosition?target=scale.getBasePosition():scale.getBasePixel&&(target=scale.getBasePixel()),null!=target){if(void 0!==target.x&&void 0!==target.y)return target;if("number"==typeof target&&isFinite(target))return{x:(horizontal=scale.isHorizontal())?target:null,y:horizontal?null:target}}return null}function resolveTarget(sources,index,propagate){var target,fill=sources[index].fill,visited=[index];if(!propagate)return fill;for(;!1!==fill&&-1===visited.indexOf(fill);){if(!isFinite(fill))return fill;if(!(target=sources[fill]))return!1;if(target.visible)return fill;visited.push(fill),fill=target.fill}return!1}function createMapper(source){var fill=source.fill,type="dataset";return!1===fill?null:(isFinite(fill)||(type="boundary"),mappers[type](source))}function isDrawable(point){return point&&!point.skip}function drawArea(ctx,curve0,curve1,len0,len1){var i;if(len0&&len1){for(ctx.moveTo(curve0[0].x,curve0[0].y),i=1;i<len0;++i)helpers.canvas.lineTo(ctx,curve0[i-1],curve0[i]);for(ctx.lineTo(curve1[len1-1].x,curve1[len1-1].y),i=len1-1;i>0;--i)helpers.canvas.lineTo(ctx,curve1[i],curve1[i-1],!0)}}return{id:"filler",afterDatasetsUpdate:function(chart,options){var meta,i,el,source,count=(chart.data.datasets||[]).length,propagate=options.propagate,sources=[];for(i=0;i<count;++i)source=null,(el=(meta=chart.getDatasetMeta(i)).dataset)&&el._model&&el instanceof elements.Line&&(source={visible:chart.isDatasetVisible(i),fill:decodeFill(el,i,count),chart:chart,el:el}),meta.$filler=source,sources.push(source);for(i=0;i<count;++i)(source=sources[i])&&(source.fill=resolveTarget(sources,i,propagate),source.boundary=computeBoundary(source),source.mapper=createMapper(source))},beforeDatasetDraw:function(chart,args){var meta=args.meta.$filler;if(meta){var ctx=chart.ctx,el=meta.el,view=el._view,points=el._children||[],mapper=meta.mapper,color=view.backgroundColor||defaults.global.defaultColor;mapper&&color&&points.length&&(helpers.canvas.clipArea(ctx,chart.chartArea),function(ctx,points,mapper,view,color,loop){var i,ilen,index,p0,p1,d0,d1,count=points.length,span=view.spanGaps,curve0=[],curve1=[],len0=0,len1=0;for(ctx.beginPath(),i=0,ilen=count+!!loop;i<ilen;++i)p1=mapper(p0=points[index=i%count]._view,index,view),d0=isDrawable(p0),d1=isDrawable(p1),d0&&d1?(len0=curve0.push(p0),len1=curve1.push(p1)):len0&&len1&&(span?(d0&&curve0.push(p0),d1&&curve1.push(p1)):(drawArea(ctx,curve0,curve1,len0,len1),len0=len1=0,curve0=[],curve1=[]));drawArea(ctx,curve0,curve1,len0,len1),ctx.closePath(),ctx.fillStyle=color,ctx.fill()}(ctx,points,mapper,view,color,el._loop),helpers.canvas.unclipArea(ctx))}}}}},{25:25,40:40,45:45}],50:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45);defaults._set("global",{legend:{display:!0,position:"top",fullWidth:!0,reverse:!1,weight:1e3,onClick:function(e,legendItem){var index=legendItem.datasetIndex,ci=this.chart,meta=ci.getDatasetMeta(index);meta.hidden=null===meta.hidden?!ci.data.datasets[index].hidden:null,ci.update()},onHover:null,labels:{boxWidth:40,padding:10,generateLabels:function(chart){var data=chart.data;return helpers.isArray(data.datasets)?data.datasets.map((function(dataset,i){return{text:dataset.label,fillStyle:helpers.isArray(dataset.backgroundColor)?dataset.backgroundColor[0]:dataset.backgroundColor,hidden:!chart.isDatasetVisible(i),lineCap:dataset.borderCapStyle,lineDash:dataset.borderDash,lineDashOffset:dataset.borderDashOffset,lineJoin:dataset.borderJoinStyle,lineWidth:dataset.borderWidth,strokeStyle:dataset.borderColor,pointStyle:dataset.pointStyle,datasetIndex:i}}),this):[]}}},legendCallback:function(chart){var text=[];text.push('<ul class="'+chart.id+'-legend">');for(var i=0;i<chart.data.datasets.length;i++)text.push('<li><span style="background-color:'+chart.data.datasets[i].backgroundColor+'"></span>'),chart.data.datasets[i].label&&text.push(chart.data.datasets[i].label),text.push("</li>");return text.push("</ul>"),text.join("")}}),module.exports=function(Chart){var layout=Chart.layoutService,noop=helpers.noop;function getBoxWidth(labelOpts,fontSize){return labelOpts.usePointStyle?fontSize*Math.SQRT2:labelOpts.boxWidth}function createNewLegendAndAttach(chart,legendOpts){var legend=new Chart.Legend({ctx:chart.ctx,options:legendOpts,chart:chart});layout.configure(chart,legend,legendOpts),layout.addBox(chart,legend),chart.legend=legend}return Chart.Legend=Element.extend({initialize:function(config){helpers.extend(this,config),this.legendHitBoxes=[],this.doughnutMode=!1},beforeUpdate:noop,update:function(maxWidth,maxHeight,margins){var me=this;return me.beforeUpdate(),me.maxWidth=maxWidth,me.maxHeight=maxHeight,me.margins=margins,me.beforeSetDimensions(),me.setDimensions(),me.afterSetDimensions(),me.beforeBuildLabels(),me.buildLabels(),me.afterBuildLabels(),me.beforeFit(),me.fit(),me.afterFit(),me.afterUpdate(),me.minSize},afterUpdate:noop,beforeSetDimensions:noop,setDimensions:function(){var me=this;me.isHorizontal()?(me.width=me.maxWidth,me.left=0,me.right=me.width):(me.height=me.maxHeight,me.top=0,me.bottom=me.height),me.paddingLeft=0,me.paddingTop=0,me.paddingRight=0,me.paddingBottom=0,me.minSize={width:0,height:0}},afterSetDimensions:noop,beforeBuildLabels:noop,buildLabels:function(){var me=this,labelOpts=me.options.labels||{},legendItems=helpers.callback(labelOpts.generateLabels,[me.chart],me)||[];labelOpts.filter&&(legendItems=legendItems.filter((function(item){return labelOpts.filter(item,me.chart.data)}))),me.options.reverse&&legendItems.reverse(),me.legendItems=legendItems},afterBuildLabels:noop,beforeFit:noop,fit:function(){var me=this,opts=me.options,labelOpts=opts.labels,display=opts.display,ctx=me.ctx,globalDefault=defaults.global,valueOrDefault=helpers.valueOrDefault,fontSize=valueOrDefault(labelOpts.fontSize,globalDefault.defaultFontSize),fontStyle=valueOrDefault(labelOpts.fontStyle,globalDefault.defaultFontStyle),fontFamily=valueOrDefault(labelOpts.fontFamily,globalDefault.defaultFontFamily),labelFont=helpers.fontString(fontSize,fontStyle,fontFamily),hitboxes=me.legendHitBoxes=[],minSize=me.minSize,isHorizontal=me.isHorizontal();if(isHorizontal?(minSize.width=me.maxWidth,minSize.height=display?10:0):(minSize.width=display?10:0,minSize.height=me.maxHeight),display)if(ctx.font=labelFont,isHorizontal){var lineWidths=me.lineWidths=[0],totalHeight=me.legendItems.length?fontSize+labelOpts.padding:0;ctx.textAlign="left",ctx.textBaseline="top",helpers.each(me.legendItems,(function(legendItem,i){var width=getBoxWidth(labelOpts,fontSize)+fontSize/2+ctx.measureText(legendItem.text).width;lineWidths[lineWidths.length-1]+width+labelOpts.padding>=me.width&&(totalHeight+=fontSize+labelOpts.padding,lineWidths[lineWidths.length]=me.left),hitboxes[i]={left:0,top:0,width:width,height:fontSize},lineWidths[lineWidths.length-1]+=width+labelOpts.padding})),minSize.height+=totalHeight}else{var vPadding=labelOpts.padding,columnWidths=me.columnWidths=[],totalWidth=labelOpts.padding,currentColWidth=0,currentColHeight=0,itemHeight=fontSize+vPadding;helpers.each(me.legendItems,(function(legendItem,i){var itemWidth=getBoxWidth(labelOpts,fontSize)+fontSize/2+ctx.measureText(legendItem.text).width;currentColHeight+itemHeight>minSize.height&&(totalWidth+=currentColWidth+labelOpts.padding,columnWidths.push(currentColWidth),currentColWidth=0,currentColHeight=0),currentColWidth=Math.max(currentColWidth,itemWidth),currentColHeight+=itemHeight,hitboxes[i]={left:0,top:0,width:itemWidth,height:fontSize}})),totalWidth+=currentColWidth,columnWidths.push(currentColWidth),minSize.width+=totalWidth}me.width=minSize.width,me.height=minSize.height},afterFit:noop,isHorizontal:function(){return"top"===this.options.position||"bottom"===this.options.position},draw:function(){var me=this,opts=me.options,labelOpts=opts.labels,globalDefault=defaults.global,lineDefault=globalDefault.elements.line,legendWidth=me.width,lineWidths=me.lineWidths;if(opts.display){var cursor,ctx=me.ctx,valueOrDefault=helpers.valueOrDefault,fontColor=valueOrDefault(labelOpts.fontColor,globalDefault.defaultFontColor),fontSize=valueOrDefault(labelOpts.fontSize,globalDefault.defaultFontSize),fontStyle=valueOrDefault(labelOpts.fontStyle,globalDefault.defaultFontStyle),fontFamily=valueOrDefault(labelOpts.fontFamily,globalDefault.defaultFontFamily),labelFont=helpers.fontString(fontSize,fontStyle,fontFamily);ctx.textAlign="left",ctx.textBaseline="middle",ctx.lineWidth=.5,ctx.strokeStyle=fontColor,ctx.fillStyle=fontColor,ctx.font=labelFont;var boxWidth=getBoxWidth(labelOpts,fontSize),hitboxes=me.legendHitBoxes,isHorizontal=me.isHorizontal();cursor=isHorizontal?{x:me.left+(legendWidth-lineWidths[0])/2,y:me.top+labelOpts.padding,line:0}:{x:me.left+labelOpts.padding,y:me.top+labelOpts.padding,line:0};var itemHeight=fontSize+labelOpts.padding;helpers.each(me.legendItems,(function(legendItem,i){var textWidth=ctx.measureText(legendItem.text).width,width=boxWidth+fontSize/2+textWidth,x=cursor.x,y=cursor.y;isHorizontal?x+width>=legendWidth&&(y=cursor.y+=itemHeight,cursor.line++,x=cursor.x=me.left+(legendWidth-lineWidths[cursor.line])/2):y+itemHeight>me.bottom&&(x=cursor.x=x+me.columnWidths[cursor.line]+labelOpts.padding,y=cursor.y=me.top+labelOpts.padding,cursor.line++),function(x,y,legendItem){if(!(isNaN(boxWidth)||boxWidth<=0)){ctx.save(),ctx.fillStyle=valueOrDefault(legendItem.fillStyle,globalDefault.defaultColor),ctx.lineCap=valueOrDefault(legendItem.lineCap,lineDefault.borderCapStyle),ctx.lineDashOffset=valueOrDefault(legendItem.lineDashOffset,lineDefault.borderDashOffset),ctx.lineJoin=valueOrDefault(legendItem.lineJoin,lineDefault.borderJoinStyle),ctx.lineWidth=valueOrDefault(legendItem.lineWidth,lineDefault.borderWidth),ctx.strokeStyle=valueOrDefault(legendItem.strokeStyle,globalDefault.defaultColor);var isLineWidthZero=0===valueOrDefault(legendItem.lineWidth,lineDefault.borderWidth);if(ctx.setLineDash&&ctx.setLineDash(valueOrDefault(legendItem.lineDash,lineDefault.borderDash)),opts.labels&&opts.labels.usePointStyle){var radius=fontSize*Math.SQRT2/2,offSet=radius/Math.SQRT2,centerX=x+offSet,centerY=y+offSet;helpers.canvas.drawPoint(ctx,legendItem.pointStyle,radius,centerX,centerY)}else isLineWidthZero||ctx.strokeRect(x,y,boxWidth,fontSize),ctx.fillRect(x,y,boxWidth,fontSize);ctx.restore()}}(x,y,legendItem),hitboxes[i].left=x,hitboxes[i].top=y,function(x,y,legendItem,textWidth){var halfFontSize=fontSize/2,xLeft=boxWidth+halfFontSize+x,yMiddle=y+halfFontSize;ctx.fillText(legendItem.text,xLeft,yMiddle),legendItem.hidden&&(ctx.beginPath(),ctx.lineWidth=2,ctx.moveTo(xLeft,yMiddle),ctx.lineTo(xLeft+textWidth,yMiddle),ctx.stroke())}(x,y,legendItem,textWidth),isHorizontal?cursor.x+=width+labelOpts.padding:cursor.y+=itemHeight}))}},handleEvent:function(e){var me=this,opts=me.options,type="mouseup"===e.type?"click":e.type,changed=!1;if("mousemove"===type){if(!opts.onHover)return}else{if("click"!==type)return;if(!opts.onClick)return}var x=e.x,y=e.y;if(x>=me.left&&x<=me.right&&y>=me.top&&y<=me.bottom)for(var lh=me.legendHitBoxes,i=0;i<lh.length;++i){var hitBox=lh[i];if(x>=hitBox.left&&x<=hitBox.left+hitBox.width&&y>=hitBox.top&&y<=hitBox.top+hitBox.height){if("click"===type){opts.onClick.call(me,e.native,me.legendItems[i]),changed=!0;break}if("mousemove"===type){opts.onHover.call(me,e.native,me.legendItems[i]),changed=!0;break}}}return changed}}),{id:"legend",beforeInit:function(chart){var legendOpts=chart.options.legend;legendOpts&&createNewLegendAndAttach(chart,legendOpts)},beforeUpdate:function(chart){var legendOpts=chart.options.legend,legend=chart.legend;legendOpts?(helpers.mergeIf(legendOpts,defaults.global.legend),legend?(layout.configure(chart,legend,legendOpts),legend.options=legendOpts):createNewLegendAndAttach(chart,legendOpts)):legend&&(layout.removeBox(chart,legend),delete chart.legend)},afterEvent:function(chart,e){var legend=chart.legend;legend&&legend.handleEvent(e)}}}},{25:25,26:26,45:45}],51:[function(require,module,exports){var defaults=require(25),Element=require(26),helpers=require(45);defaults._set("global",{title:{display:!1,fontStyle:"bold",fullWidth:!0,lineHeight:1.2,padding:10,position:"top",text:"",weight:2e3}}),module.exports=function(Chart){var layout=Chart.layoutService,noop=helpers.noop;function createNewTitleBlockAndAttach(chart,titleOpts){var title=new Chart.Title({ctx:chart.ctx,options:titleOpts,chart:chart});layout.configure(chart,title,titleOpts),layout.addBox(chart,title),chart.titleBlock=title}return Chart.Title=Element.extend({initialize:function(config){helpers.extend(this,config),this.legendHitBoxes=[]},beforeUpdate:noop,update:function(maxWidth,maxHeight,margins){var me=this;return me.beforeUpdate(),me.maxWidth=maxWidth,me.maxHeight=maxHeight,me.margins=margins,me.beforeSetDimensions(),me.setDimensions(),me.afterSetDimensions(),me.beforeBuildLabels(),me.buildLabels(),me.afterBuildLabels(),me.beforeFit(),me.fit(),me.afterFit(),me.afterUpdate(),me.minSize},afterUpdate:noop,beforeSetDimensions:noop,setDimensions:function(){var me=this;me.isHorizontal()?(me.width=me.maxWidth,me.left=0,me.right=me.width):(me.height=me.maxHeight,me.top=0,me.bottom=me.height),me.paddingLeft=0,me.paddingTop=0,me.paddingRight=0,me.paddingBottom=0,me.minSize={width:0,height:0}},afterSetDimensions:noop,beforeBuildLabels:noop,buildLabels:noop,afterBuildLabels:noop,beforeFit:noop,fit:function(){var me=this,valueOrDefault=helpers.valueOrDefault,opts=me.options,display=opts.display,fontSize=valueOrDefault(opts.fontSize,defaults.global.defaultFontSize),minSize=me.minSize,lineCount=helpers.isArray(opts.text)?opts.text.length:1,lineHeight=helpers.options.toLineHeight(opts.lineHeight,fontSize),textSize=display?lineCount*lineHeight+2*opts.padding:0;me.isHorizontal()?(minSize.width=me.maxWidth,minSize.height=textSize):(minSize.width=textSize,minSize.height=me.maxHeight),me.width=minSize.width,me.height=minSize.height},afterFit:noop,isHorizontal:function(){var pos=this.options.position;return"top"===pos||"bottom"===pos},draw:function(){var me=this,ctx=me.ctx,valueOrDefault=helpers.valueOrDefault,opts=me.options,globalDefaults=defaults.global;if(opts.display){var maxWidth,titleX,titleY,fontSize=valueOrDefault(opts.fontSize,globalDefaults.defaultFontSize),fontStyle=valueOrDefault(opts.fontStyle,globalDefaults.defaultFontStyle),fontFamily=valueOrDefault(opts.fontFamily,globalDefaults.defaultFontFamily),titleFont=helpers.fontString(fontSize,fontStyle,fontFamily),lineHeight=helpers.options.toLineHeight(opts.lineHeight,fontSize),offset=lineHeight/2+opts.padding,rotation=0,top=me.top,left=me.left,bottom=me.bottom,right=me.right;ctx.fillStyle=valueOrDefault(opts.fontColor,globalDefaults.defaultFontColor),ctx.font=titleFont,me.isHorizontal()?(titleX=left+(right-left)/2,titleY=top+offset,maxWidth=right-left):(titleX="left"===opts.position?left+offset:right-offset,titleY=top+(bottom-top)/2,maxWidth=bottom-top,rotation=Math.PI*("left"===opts.position?-.5:.5)),ctx.save(),ctx.translate(titleX,titleY),ctx.rotate(rotation),ctx.textAlign="center",ctx.textBaseline="middle";var text=opts.text;if(helpers.isArray(text))for(var y=0,i=0;i<text.length;++i)ctx.fillText(text[i],0,y,maxWidth),y+=lineHeight;else ctx.fillText(text,0,0,maxWidth);ctx.restore()}}}),{id:"title",beforeInit:function(chart){var titleOpts=chart.options.title;titleOpts&&createNewTitleBlockAndAttach(chart,titleOpts)},beforeUpdate:function(chart){var titleOpts=chart.options.title,titleBlock=chart.titleBlock;titleOpts?(helpers.mergeIf(titleOpts,defaults.global.title),titleBlock?(layout.configure(chart,titleBlock,titleOpts),titleBlock.options=titleOpts):createNewTitleBlockAndAttach(chart,titleOpts)):titleBlock&&(Chart.layoutService.removeBox(chart,titleBlock),delete chart.titleBlock)}}}},{25:25,26:26,45:45}],52:[function(require,module,exports){module.exports=function(Chart){var DatasetScale=Chart.Scale.extend({getLabels:function(){var data=this.chart.data;return this.options.labels||(this.isHorizontal()?data.xLabels:data.yLabels)||data.labels},determineDataLimits:function(){var findIndex,me=this,labels=me.getLabels();me.minIndex=0,me.maxIndex=labels.length-1,void 0!==me.options.ticks.min&&(findIndex=labels.indexOf(me.options.ticks.min),me.minIndex=-1!==findIndex?findIndex:me.minIndex),void 0!==me.options.ticks.max&&(findIndex=labels.indexOf(me.options.ticks.max),me.maxIndex=-1!==findIndex?findIndex:me.maxIndex),me.min=labels[me.minIndex],me.max=labels[me.maxIndex]},buildTicks:function(){var me=this,labels=me.getLabels();me.ticks=0===me.minIndex&&me.maxIndex===labels.length-1?labels:labels.slice(me.minIndex,me.maxIndex+1)},getLabelForIndex:function(index,datasetIndex){var me=this,data=me.chart.data,isHorizontal=me.isHorizontal();return data.yLabels&&!isHorizontal?me.getRightValue(data.datasets[datasetIndex].data[index]):me.ticks[index-me.minIndex]},getPixelForValue:function(value,index){var valueCategory,me=this,offset=me.options.offset,offsetAmt=Math.max(me.maxIndex+1-me.minIndex-(offset?0:1),1);if(null!=value&&(valueCategory=me.isHorizontal()?value.x:value.y),void 0!==valueCategory||void 0!==value&&isNaN(index)){value=valueCategory||value;var idx=me.getLabels().indexOf(value);index=-1!==idx?idx:index}if(me.isHorizontal()){var valueWidth=me.width/offsetAmt,widthOffset=valueWidth*(index-me.minIndex);return offset&&(widthOffset+=valueWidth/2),me.left+Math.round(widthOffset)}var valueHeight=me.height/offsetAmt,heightOffset=valueHeight*(index-me.minIndex);return offset&&(heightOffset+=valueHeight/2),me.top+Math.round(heightOffset)},getPixelForTick:function(index){return this.getPixelForValue(this.ticks[index],index+this.minIndex,null)},getValueForPixel:function(pixel){var me=this,offset=me.options.offset,offsetAmt=Math.max(me._ticks.length-(offset?0:1),1),horz=me.isHorizontal(),valueDimension=(horz?me.width:me.height)/offsetAmt;return pixel-=horz?me.left:me.top,offset&&(pixel-=valueDimension/2),(pixel<=0?0:Math.round(pixel/valueDimension))+me.minIndex},getBasePixel:function(){return this.bottom}});Chart.scaleService.registerScaleType("category",DatasetScale,{position:"bottom"})}},{}],53:[function(require,module,exports){var defaults=require(25),helpers=require(45),Ticks=require(34);module.exports=function(Chart){var defaultConfig={position:"left",ticks:{callback:Ticks.formatters.linear}},LinearScale=Chart.LinearScaleBase.extend({determineDataLimits:function(){var me=this,opts=me.options,chart=me.chart,datasets=chart.data.datasets,isHorizontal=me.isHorizontal();function IDMatches(meta){return isHorizontal?meta.xAxisID===me.id:meta.yAxisID===me.id}me.min=null,me.max=null;var hasStacks=opts.stacked;if(void 0===hasStacks&&helpers.each(datasets,(function(dataset,datasetIndex){if(!hasStacks){var meta=chart.getDatasetMeta(datasetIndex);chart.isDatasetVisible(datasetIndex)&&IDMatches(meta)&&void 0!==meta.stack&&(hasStacks=!0)}})),opts.stacked||hasStacks){var valuesPerStack={};helpers.each(datasets,(function(dataset,datasetIndex){var meta=chart.getDatasetMeta(datasetIndex),key=[meta.type,void 0===opts.stacked&&void 0===meta.stack?datasetIndex:"",meta.stack].join(".");void 0===valuesPerStack[key]&&(valuesPerStack[key]={positiveValues:[],negativeValues:[]});var positiveValues=valuesPerStack[key].positiveValues,negativeValues=valuesPerStack[key].negativeValues;chart.isDatasetVisible(datasetIndex)&&IDMatches(meta)&&helpers.each(dataset.data,(function(rawValue,index){var value=+me.getRightValue(rawValue);isNaN(value)||meta.data[index].hidden||(positiveValues[index]=positiveValues[index]||0,negativeValues[index]=negativeValues[index]||0,opts.relativePoints?positiveValues[index]=100:value<0?negativeValues[index]+=value:positiveValues[index]+=value)}))})),helpers.each(valuesPerStack,(function(valuesForType){var values=valuesForType.positiveValues.concat(valuesForType.negativeValues),minVal=helpers.min(values),maxVal=helpers.max(values);me.min=null===me.min?minVal:Math.min(me.min,minVal),me.max=null===me.max?maxVal:Math.max(me.max,maxVal)}))}else helpers.each(datasets,(function(dataset,datasetIndex){var meta=chart.getDatasetMeta(datasetIndex);chart.isDatasetVisible(datasetIndex)&&IDMatches(meta)&&helpers.each(dataset.data,(function(rawValue,index){var value=+me.getRightValue(rawValue);isNaN(value)||meta.data[index].hidden||((null===me.min||value<me.min)&&(me.min=value),(null===me.max||value>me.max)&&(me.max=value))}))}));me.min=isFinite(me.min)&&!isNaN(me.min)?me.min:0,me.max=isFinite(me.max)&&!isNaN(me.max)?me.max:1,this.handleTickRangeOptions()},getTickLimit:function(){var maxTicks,tickOpts=this.options.ticks;if(this.isHorizontal())maxTicks=Math.min(tickOpts.maxTicksLimit?tickOpts.maxTicksLimit:11,Math.ceil(this.width/50));else{var tickFontSize=helpers.valueOrDefault(tickOpts.fontSize,defaults.global.defaultFontSize);maxTicks=Math.min(tickOpts.maxTicksLimit?tickOpts.maxTicksLimit:11,Math.ceil(this.height/(2*tickFontSize)))}return maxTicks},handleDirectionalChanges:function(){this.isHorizontal()||this.ticks.reverse()},getLabelForIndex:function(index,datasetIndex){return+this.getRightValue(this.chart.data.datasets[datasetIndex].data[index])},getPixelForValue:function(value){var pixel,me=this,start=me.start,rightValue=+me.getRightValue(value),range=me.end-start;return me.isHorizontal()?(pixel=me.left+me.width/range*(rightValue-start),Math.round(pixel)):(pixel=me.bottom-me.height/range*(rightValue-start),Math.round(pixel))},getValueForPixel:function(pixel){var me=this,isHorizontal=me.isHorizontal(),innerDimension=isHorizontal?me.width:me.height,offset=(isHorizontal?pixel-me.left:me.bottom-pixel)/innerDimension;return me.start+(me.end-me.start)*offset},getPixelForTick:function(index){return this.getPixelForValue(this.ticksAsNumbers[index])}});Chart.scaleService.registerScaleType("linear",LinearScale,defaultConfig)}},{25:25,34:34,45:45}],54:[function(require,module,exports){var helpers=require(45),Ticks=require(34);module.exports=function(Chart){var noop=helpers.noop;Chart.LinearScaleBase=Chart.Scale.extend({getRightValue:function(value){return"string"==typeof value?+value:Chart.Scale.prototype.getRightValue.call(this,value)},handleTickRangeOptions:function(){var me=this,tickOpts=me.options.ticks;if(tickOpts.beginAtZero){var minSign=helpers.sign(me.min),maxSign=helpers.sign(me.max);minSign<0&&maxSign<0?me.max=0:minSign>0&&maxSign>0&&(me.min=0)}var setMin=void 0!==tickOpts.min||void 0!==tickOpts.suggestedMin,setMax=void 0!==tickOpts.max||void 0!==tickOpts.suggestedMax;void 0!==tickOpts.min?me.min=tickOpts.min:void 0!==tickOpts.suggestedMin&&(null===me.min?me.min=tickOpts.suggestedMin:me.min=Math.min(me.min,tickOpts.suggestedMin)),void 0!==tickOpts.max?me.max=tickOpts.max:void 0!==tickOpts.suggestedMax&&(null===me.max?me.max=tickOpts.suggestedMax:me.max=Math.max(me.max,tickOpts.suggestedMax)),setMin!==setMax&&me.min>=me.max&&(setMin?me.max=me.min+1:me.min=me.max-1),me.min===me.max&&(me.max++,tickOpts.beginAtZero||me.min--)},getTickLimit:noop,handleDirectionalChanges:noop,buildTicks:function(){var me=this,tickOpts=me.options.ticks,maxTicks=me.getTickLimit(),numericGeneratorOptions={maxTicks:maxTicks=Math.max(2,maxTicks),min:tickOpts.min,max:tickOpts.max,stepSize:helpers.valueOrDefault(tickOpts.fixedStepSize,tickOpts.stepSize)},ticks=me.ticks=Ticks.generators.linear(numericGeneratorOptions,me);me.handleDirectionalChanges(),me.max=helpers.max(ticks),me.min=helpers.min(ticks),tickOpts.reverse?(ticks.reverse(),me.start=me.max,me.end=me.min):(me.start=me.min,me.end=me.max)},convertTicksToLabels:function(){var me=this;me.ticksAsNumbers=me.ticks.slice(),me.zeroLineIndex=me.ticks.indexOf(0),Chart.Scale.prototype.convertTicksToLabels.call(me)}})}},{34:34,45:45}],55:[function(require,module,exports){var helpers=require(45),Ticks=require(34);module.exports=function(Chart){var defaultConfig={position:"left",ticks:{callback:Ticks.formatters.logarithmic}},LogarithmicScale=Chart.Scale.extend({determineDataLimits:function(){var me=this,opts=me.options,tickOpts=opts.ticks,chart=me.chart,datasets=chart.data.datasets,valueOrDefault=helpers.valueOrDefault,isHorizontal=me.isHorizontal();function IDMatches(meta){return isHorizontal?meta.xAxisID===me.id:meta.yAxisID===me.id}me.min=null,me.max=null,me.minNotZero=null;var hasStacks=opts.stacked;if(void 0===hasStacks&&helpers.each(datasets,(function(dataset,datasetIndex){if(!hasStacks){var meta=chart.getDatasetMeta(datasetIndex);chart.isDatasetVisible(datasetIndex)&&IDMatches(meta)&&void 0!==meta.stack&&(hasStacks=!0)}})),opts.stacked||hasStacks){var valuesPerStack={};helpers.each(datasets,(function(dataset,datasetIndex){var meta=chart.getDatasetMeta(datasetIndex),key=[meta.type,void 0===opts.stacked&&void 0===meta.stack?datasetIndex:"",meta.stack].join(".");chart.isDatasetVisible(datasetIndex)&&IDMatches(meta)&&(void 0===valuesPerStack[key]&&(valuesPerStack[key]=[]),helpers.each(dataset.data,(function(rawValue,index){var values=valuesPerStack[key],value=+me.getRightValue(rawValue);isNaN(value)||meta.data[index].hidden||(values[index]=values[index]||0,opts.relativePoints?values[index]=100:values[index]+=value)})))})),helpers.each(valuesPerStack,(function(valuesForType){var minVal=helpers.min(valuesForType),maxVal=helpers.max(valuesForType);me.min=null===me.min?minVal:Math.min(me.min,minVal),me.max=null===me.max?maxVal:Math.max(me.max,maxVal)}))}else helpers.each(datasets,(function(dataset,datasetIndex){var meta=chart.getDatasetMeta(datasetIndex);chart.isDatasetVisible(datasetIndex)&&IDMatches(meta)&&helpers.each(dataset.data,(function(rawValue,index){var value=+me.getRightValue(rawValue);isNaN(value)||meta.data[index].hidden||((null===me.min||value<me.min)&&(me.min=value),(null===me.max||value>me.max)&&(me.max=value),0!==value&&(null===me.minNotZero||value<me.minNotZero)&&(me.minNotZero=value))}))}));me.min=valueOrDefault(tickOpts.min,me.min),me.max=valueOrDefault(tickOpts.max,me.max),me.min===me.max&&(0!==me.min&&null!==me.min?(me.min=Math.pow(10,Math.floor(helpers.log10(me.min))-1),me.max=Math.pow(10,Math.floor(helpers.log10(me.max))+1)):(me.min=1,me.max=10))},buildTicks:function(){var me=this,tickOpts=me.options.ticks,generationOptions={min:tickOpts.min,max:tickOpts.max},ticks=me.ticks=Ticks.generators.logarithmic(generationOptions,me);me.isHorizontal()||ticks.reverse(),me.max=helpers.max(ticks),me.min=helpers.min(ticks),tickOpts.reverse?(ticks.reverse(),me.start=me.max,me.end=me.min):(me.start=me.min,me.end=me.max)},convertTicksToLabels:function(){this.tickValues=this.ticks.slice(),Chart.Scale.prototype.convertTicksToLabels.call(this)},getLabelForIndex:function(index,datasetIndex){return+this.getRightValue(this.chart.data.datasets[datasetIndex].data[index])},getPixelForTick:function(index){return this.getPixelForValue(this.tickValues[index])},getPixelForValue:function(value){var innerDimension,pixel,range,me=this,start=me.start,newVal=+me.getRightValue(value),tickOpts=me.options.ticks;return me.isHorizontal()?(range=helpers.log10(me.end)-helpers.log10(start),0===newVal?pixel=me.left:(innerDimension=me.width,pixel=me.left+innerDimension/range*(helpers.log10(newVal)-helpers.log10(start)))):(innerDimension=me.height,0!==start||tickOpts.reverse?0===me.end&&tickOpts.reverse?(range=helpers.log10(me.start)-helpers.log10(me.minNotZero),pixel=newVal===me.end?me.top:newVal===me.minNotZero?me.top+.02*innerDimension:me.top+.02*innerDimension+.98*innerDimension/range*(helpers.log10(newVal)-helpers.log10(me.minNotZero))):0===newVal?pixel=tickOpts.reverse?me.top:me.bottom:(range=helpers.log10(me.end)-helpers.log10(start),innerDimension=me.height,pixel=me.bottom-innerDimension/range*(helpers.log10(newVal)-helpers.log10(start))):(range=helpers.log10(me.end)-helpers.log10(me.minNotZero),pixel=newVal===start?me.bottom:newVal===me.minNotZero?me.bottom-.02*innerDimension:me.bottom-.02*innerDimension-.98*innerDimension/range*(helpers.log10(newVal)-helpers.log10(me.minNotZero)))),pixel},getValueForPixel:function(pixel){var value,innerDimension,me=this,range=helpers.log10(me.end)-helpers.log10(me.start);return me.isHorizontal()?(innerDimension=me.width,value=me.start*Math.pow(10,(pixel-me.left)*range/innerDimension)):(innerDimension=me.height,value=Math.pow(10,(me.bottom-pixel)*range/innerDimension)/me.start),value}});Chart.scaleService.registerScaleType("logarithmic",LogarithmicScale,defaultConfig)}},{34:34,45:45}],56:[function(require,module,exports){var defaults=require(25),helpers=require(45),Ticks=require(34);module.exports=function(Chart){var globalDefaults=defaults.global,defaultConfig={display:!0,animate:!0,position:"chartArea",angleLines:{display:!0,color:"rgba(0, 0, 0, 0.1)",lineWidth:1},gridLines:{circular:!1},ticks:{showLabelBackdrop:!0,backdropColor:"rgba(255,255,255,0.75)",backdropPaddingY:2,backdropPaddingX:2,callback:Ticks.formatters.linear},pointLabels:{display:!0,fontSize:10,callback:function(label){return label}}};function getValueCount(scale){var opts=scale.options;return opts.angleLines.display||opts.pointLabels.display?scale.chart.data.labels.length:0}function getPointLabelFontOptions(scale){var pointLabelOptions=scale.options.pointLabels,fontSize=helpers.valueOrDefault(pointLabelOptions.fontSize,globalDefaults.defaultFontSize),fontStyle=helpers.valueOrDefault(pointLabelOptions.fontStyle,globalDefaults.defaultFontStyle),fontFamily=helpers.valueOrDefault(pointLabelOptions.fontFamily,globalDefaults.defaultFontFamily);return{size:fontSize,style:fontStyle,family:fontFamily,font:helpers.fontString(fontSize,fontStyle,fontFamily)}}function determineLimits(angle,pos,size,min,max){return angle===min||angle===max?{start:pos-size/2,end:pos+size/2}:angle<min||angle>max?{start:pos-size-5,end:pos}:{start:pos,end:pos+size+5}}function getTextAlignForAngle(angle){return 0===angle||180===angle?"center":angle<180?"left":"right"}function fillText(ctx,text,position,fontSize){if(helpers.isArray(text))for(var y=position.y,spacing=1.5*fontSize,i=0;i<text.length;++i)ctx.fillText(text[i],position.x,y),y+=spacing;else ctx.fillText(text,position.x,position.y)}function adjustPointPositionForLabelHeight(angle,textSize,position){90===angle||270===angle?position.y-=textSize.h/2:(angle>270||angle<90)&&(position.y-=textSize.h)}function numberOrZero(param){return helpers.isNumber(param)?param:0}var LinearRadialScale=Chart.LinearScaleBase.extend({setDimensions:function(){var me=this,opts=me.options,tickOpts=opts.ticks;me.width=me.maxWidth,me.height=me.maxHeight,me.xCenter=Math.round(me.width/2),me.yCenter=Math.round(me.height/2);var minSize=helpers.min([me.height,me.width]),tickFontSize=helpers.valueOrDefault(tickOpts.fontSize,globalDefaults.defaultFontSize);me.drawingArea=opts.display?minSize/2-(tickFontSize/2+tickOpts.backdropPaddingY):minSize/2},determineDataLimits:function(){var me=this,chart=me.chart,min=Number.POSITIVE_INFINITY,max=Number.NEGATIVE_INFINITY;helpers.each(chart.data.datasets,(function(dataset,datasetIndex){if(chart.isDatasetVisible(datasetIndex)){var meta=chart.getDatasetMeta(datasetIndex);helpers.each(dataset.data,(function(rawValue,index){var value=+me.getRightValue(rawValue);isNaN(value)||meta.data[index].hidden||(min=Math.min(value,min),max=Math.max(value,max))}))}})),me.min=min===Number.POSITIVE_INFINITY?0:min,me.max=max===Number.NEGATIVE_INFINITY?0:max,me.handleTickRangeOptions()},getTickLimit:function(){var tickOpts=this.options.ticks,tickFontSize=helpers.valueOrDefault(tickOpts.fontSize,globalDefaults.defaultFontSize);return Math.min(tickOpts.maxTicksLimit?tickOpts.maxTicksLimit:11,Math.ceil(this.drawingArea/(1.5*tickFontSize)))},convertTicksToLabels:function(){var me=this;Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me),me.pointLabels=me.chart.data.labels.map(me.options.pointLabels.callback,me)},getLabelForIndex:function(index,datasetIndex){return+this.getRightValue(this.chart.data.datasets[datasetIndex].data[index])},fit:function(){var scale,largestPossibleRadius;this.options.pointLabels.display?function(scale){var i,textSize,pointPosition,plFont=getPointLabelFontOptions(scale),largestPossibleRadius=Math.min(scale.height/2,scale.width/2),furthestLimits={r:scale.width,l:0,t:scale.height,b:0},furthestAngles={};scale.ctx.font=plFont.font,scale._pointLabelSizes=[];var ctx,fontSize,label,valueCount=getValueCount(scale);for(i=0;i<valueCount;i++){pointPosition=scale.getPointPosition(i,largestPossibleRadius),ctx=scale.ctx,fontSize=plFont.size,label=scale.pointLabels[i]||"",textSize=helpers.isArray(label)?{w:helpers.longestText(ctx,ctx.font,label),h:label.length*fontSize+1.5*(label.length-1)*fontSize}:{w:ctx.measureText(label).width,h:fontSize},scale._pointLabelSizes[i]=textSize;var angleRadians=scale.getIndexAngle(i),angle=helpers.toDegrees(angleRadians)%360,hLimits=determineLimits(angle,pointPosition.x,textSize.w,0,180),vLimits=determineLimits(angle,pointPosition.y,textSize.h,90,270);hLimits.start<furthestLimits.l&&(furthestLimits.l=hLimits.start,furthestAngles.l=angleRadians),hLimits.end>furthestLimits.r&&(furthestLimits.r=hLimits.end,furthestAngles.r=angleRadians),vLimits.start<furthestLimits.t&&(furthestLimits.t=vLimits.start,furthestAngles.t=angleRadians),vLimits.end>furthestLimits.b&&(furthestLimits.b=vLimits.end,furthestAngles.b=angleRadians)}scale.setReductions(largestPossibleRadius,furthestLimits,furthestAngles)}(this):(scale=this,largestPossibleRadius=Math.min(scale.height/2,scale.width/2),scale.drawingArea=Math.round(largestPossibleRadius),scale.setCenterPoint(0,0,0,0))},setReductions:function(largestPossibleRadius,furthestLimits,furthestAngles){var radiusReductionLeft=furthestLimits.l/Math.sin(furthestAngles.l),radiusReductionRight=Math.max(furthestLimits.r-this.width,0)/Math.sin(furthestAngles.r),radiusReductionTop=-furthestLimits.t/Math.cos(furthestAngles.t),radiusReductionBottom=-Math.max(furthestLimits.b-this.height,0)/Math.cos(furthestAngles.b);radiusReductionLeft=numberOrZero(radiusReductionLeft),radiusReductionRight=numberOrZero(radiusReductionRight),radiusReductionTop=numberOrZero(radiusReductionTop),radiusReductionBottom=numberOrZero(radiusReductionBottom),this.drawingArea=Math.min(Math.round(largestPossibleRadius-(radiusReductionLeft+radiusReductionRight)/2),Math.round(largestPossibleRadius-(radiusReductionTop+radiusReductionBottom)/2)),this.setCenterPoint(radiusReductionLeft,radiusReductionRight,radiusReductionTop,radiusReductionBottom)},setCenterPoint:function(leftMovement,rightMovement,topMovement,bottomMovement){var me=this,maxRight=me.width-rightMovement-me.drawingArea,maxLeft=leftMovement+me.drawingArea,maxTop=topMovement+me.drawingArea,maxBottom=me.height-bottomMovement-me.drawingArea;me.xCenter=Math.round((maxLeft+maxRight)/2+me.left),me.yCenter=Math.round((maxTop+maxBottom)/2+me.top)},getIndexAngle:function(index){return index*(2*Math.PI/getValueCount(this))+(this.chart.options&&this.chart.options.startAngle?this.chart.options.startAngle:0)*Math.PI*2/360},getDistanceFromCenterForValue:function(value){var me=this;if(null===value)return 0;var scalingFactor=me.drawingArea/(me.max-me.min);return me.options.ticks.reverse?(me.max-value)*scalingFactor:(value-me.min)*scalingFactor},getPointPosition:function(index,distanceFromCenter){var thisAngle=this.getIndexAngle(index)-Math.PI/2;return{x:Math.round(Math.cos(thisAngle)*distanceFromCenter)+this.xCenter,y:Math.round(Math.sin(thisAngle)*distanceFromCenter)+this.yCenter}},getPointPositionForValue:function(index,value){return this.getPointPosition(index,this.getDistanceFromCenterForValue(value))},getBasePosition:function(){var min=this.min,max=this.max;return this.getPointPositionForValue(0,this.beginAtZero?0:min<0&&max<0?max:min>0&&max>0?min:0)},draw:function(){var me=this,opts=me.options,gridLineOpts=opts.gridLines,tickOpts=opts.ticks,valueOrDefault=helpers.valueOrDefault;if(opts.display){var ctx=me.ctx,startAngle=this.getIndexAngle(0),tickFontSize=valueOrDefault(tickOpts.fontSize,globalDefaults.defaultFontSize),tickFontStyle=valueOrDefault(tickOpts.fontStyle,globalDefaults.defaultFontStyle),tickFontFamily=valueOrDefault(tickOpts.fontFamily,globalDefaults.defaultFontFamily),tickLabelFont=helpers.fontString(tickFontSize,tickFontStyle,tickFontFamily);helpers.each(me.ticks,(function(label,index){if(index>0||tickOpts.reverse){var yCenterOffset=me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);if(gridLineOpts.display&&0!==index&&function(scale,gridLineOpts,radius,index){var ctx=scale.ctx;if(ctx.strokeStyle=helpers.valueAtIndexOrDefault(gridLineOpts.color,index-1),ctx.lineWidth=helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth,index-1),scale.options.gridLines.circular)ctx.beginPath(),ctx.arc(scale.xCenter,scale.yCenter,radius,0,2*Math.PI),ctx.closePath(),ctx.stroke();else{var valueCount=getValueCount(scale);if(0===valueCount)return;ctx.beginPath();var pointPosition=scale.getPointPosition(0,radius);ctx.moveTo(pointPosition.x,pointPosition.y);for(var i=1;i<valueCount;i++)pointPosition=scale.getPointPosition(i,radius),ctx.lineTo(pointPosition.x,pointPosition.y);ctx.closePath(),ctx.stroke()}}(me,gridLineOpts,yCenterOffset,index),tickOpts.display){var tickFontColor=valueOrDefault(tickOpts.fontColor,globalDefaults.defaultFontColor);if(ctx.font=tickLabelFont,ctx.save(),ctx.translate(me.xCenter,me.yCenter),ctx.rotate(startAngle),tickOpts.showLabelBackdrop){var labelWidth=ctx.measureText(label).width;ctx.fillStyle=tickOpts.backdropColor,ctx.fillRect(-labelWidth/2-tickOpts.backdropPaddingX,-yCenterOffset-tickFontSize/2-tickOpts.backdropPaddingY,labelWidth+2*tickOpts.backdropPaddingX,tickFontSize+2*tickOpts.backdropPaddingY)}ctx.textAlign="center",ctx.textBaseline="middle",ctx.fillStyle=tickFontColor,ctx.fillText(label,0,-yCenterOffset),ctx.restore()}}})),(opts.angleLines.display||opts.pointLabels.display)&&function(scale){var ctx=scale.ctx,valueOrDefault=helpers.valueOrDefault,opts=scale.options,angleLineOpts=opts.angleLines,pointLabelOpts=opts.pointLabels;ctx.lineWidth=angleLineOpts.lineWidth,ctx.strokeStyle=angleLineOpts.color;var outerDistance=scale.getDistanceFromCenterForValue(opts.ticks.reverse?scale.min:scale.max),plFont=getPointLabelFontOptions(scale);ctx.textBaseline="top";for(var i=getValueCount(scale)-1;i>=0;i--){if(angleLineOpts.display){var outerPosition=scale.getPointPosition(i,outerDistance);ctx.beginPath(),ctx.moveTo(scale.xCenter,scale.yCenter),ctx.lineTo(outerPosition.x,outerPosition.y),ctx.stroke(),ctx.closePath()}if(pointLabelOpts.display){var pointLabelPosition=scale.getPointPosition(i,outerDistance+5),pointLabelFontColor=valueOrDefault(pointLabelOpts.fontColor,globalDefaults.defaultFontColor);ctx.font=plFont.font,ctx.fillStyle=pointLabelFontColor;var angleRadians=scale.getIndexAngle(i),angle=helpers.toDegrees(angleRadians);ctx.textAlign=getTextAlignForAngle(angle),adjustPointPositionForLabelHeight(angle,scale._pointLabelSizes[i],pointLabelPosition),fillText(ctx,scale.pointLabels[i]||"",pointLabelPosition,plFont.size)}}}(me)}}});Chart.scaleService.registerScaleType("radialLinear",LinearRadialScale,defaultConfig)}},{25:25,34:34,45:45}],57:[function(require,module,exports){var moment=require(6);moment="function"==typeof moment?moment:window.moment;var defaults=require(25),helpers=require(45),MIN_INTEGER=Number.MIN_SAFE_INTEGER||-9007199254740991,MAX_INTEGER=Number.MAX_SAFE_INTEGER||9007199254740991,INTERVALS={millisecond:{major:!0,size:1,steps:[1,2,5,10,20,50,100,250,500]},second:{major:!0,size:1e3,steps:[1,2,5,10,30]},minute:{major:!0,size:6e4,steps:[1,2,5,10,30]},hour:{major:!0,size:36e5,steps:[1,2,3,6,12]},day:{major:!0,size:864e5,steps:[1,2,5]},week:{major:!1,size:6048e5,steps:[1,2,3,4]},month:{major:!0,size:2628e6,steps:[1,2,3]},quarter:{major:!1,size:7884e6,steps:[1,2,3,4]},year:{major:!0,size:3154e7}},UNITS=Object.keys(INTERVALS);function sorter(a,b){return a-b}function arrayUnique(items){var i,ilen,item,hash={},out=[];for(i=0,ilen=items.length;i<ilen;++i)hash[item=items[i]]||(hash[item]=!0,out.push(item));return out}function interpolate(table,skey,sval,tkey){var range=function(table,key,value){for(var mid,i0,i1,lo=0,hi=table.length-1;lo>=0&&lo<=hi;){if(i0=table[(mid=lo+hi>>1)-1]||null,i1=table[mid],!i0)return{lo:null,hi:i1};if(i1[key]<value)lo=mid+1;else{if(!(i0[key]>value))return{lo:i0,hi:i1};hi=mid-1}}return{lo:i1,hi:null}}(table,skey,sval),prev=range.lo?range.hi?range.lo:table[table.length-2]:table[0],next=range.lo?range.hi?range.hi:table[table.length-1]:table[1],span=next[skey]-prev[skey],ratio=span?(sval-prev[skey])/span:0,offset=(next[tkey]-prev[tkey])*ratio;return prev[tkey]+offset}function momentify(value,options){var parser=options.parser,format=options.parser||options.format;return"function"==typeof parser?parser(value):"string"==typeof value&&"string"==typeof format?moment(value,format):(value instanceof moment||(value=moment(value)),value.isValid()?value:"function"==typeof format?format(value):value)}function parse(input,scale){if(helpers.isNullOrUndef(input))return null;var options=scale.options.time,value=momentify(scale.getRightValue(input),options);return value.isValid()?(options.round&&value.startOf(options.round),value.valueOf()):null}function generate(min,max,minor,major,capacity,options){var time,timeOpts=options.time,stepSize=helpers.valueOrDefault(timeOpts.stepSize,timeOpts.unitStepSize),weekday="week"===minor&&timeOpts.isoWeekday,majorTicksEnabled=options.ticks.major.enabled,interval=INTERVALS[minor],first=moment(min),last=moment(max),ticks=[];for(stepSize||(stepSize=function(min,max,unit,capacity){var i,ilen,factor,range=max-min,interval=INTERVALS[unit],milliseconds=interval.size,steps=interval.steps;if(!steps)return Math.ceil(range/((capacity||1)*milliseconds));for(i=0,ilen=steps.length;i<ilen&&(factor=steps[i],!(Math.ceil(range/(milliseconds*factor))<=capacity));++i);return factor}(min,max,minor,capacity)),weekday&&(first=first.isoWeekday(weekday),last=last.isoWeekday(weekday)),first=first.startOf(weekday?"day":minor),(last=last.startOf(weekday?"day":minor))<max&&last.add(1,minor),time=moment(first),majorTicksEnabled&&major&&!weekday&&!timeOpts.round&&(time.startOf(major),time.add(~~((first-time)/(interval.size*stepSize))*stepSize,minor));time<last;time.add(stepSize,minor))ticks.push(+time);return ticks.push(+time),ticks}module.exports=function(Chart){var TimeScale=Chart.Scale.extend({initialize:function(){if(!moment)throw new Error("Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com");this.mergeTicksOptions(),Chart.Scale.prototype.initialize.call(this)},update:function(){var me=this,options=me.options;return options.time&&options.time.format&&console.warn("options.time.format is deprecated and replaced by options.time.parser."),Chart.Scale.prototype.update.apply(me,arguments)},getRightValue:function(rawValue){return rawValue&&void 0!==rawValue.t&&(rawValue=rawValue.t),Chart.Scale.prototype.getRightValue.call(this,rawValue)},determineDataLimits:function(){var i,j,ilen,jlen,data,timestamp,me=this,chart=me.chart,timeOpts=me.options.time,min=parse(timeOpts.min,me)||MAX_INTEGER,max=parse(timeOpts.max,me)||MIN_INTEGER,timestamps=[],datasets=[],labels=[];for(i=0,ilen=chart.data.labels.length;i<ilen;++i)labels.push(parse(chart.data.labels[i],me));for(i=0,ilen=(chart.data.datasets||[]).length;i<ilen;++i)if(chart.isDatasetVisible(i))if(data=chart.data.datasets[i].data,helpers.isObject(data[0]))for(datasets[i]=[],j=0,jlen=data.length;j<jlen;++j)timestamp=parse(data[j],me),timestamps.push(timestamp),datasets[i][j]=timestamp;else timestamps.push.apply(timestamps,labels),datasets[i]=labels.slice(0);else datasets[i]=[];labels.length&&(labels=arrayUnique(labels).sort(sorter),min=Math.min(min,labels[0]),max=Math.max(max,labels[labels.length-1])),timestamps.length&&(timestamps=arrayUnique(timestamps).sort(sorter),min=Math.min(min,timestamps[0]),max=Math.max(max,timestamps[timestamps.length-1])),min=min===MAX_INTEGER?+moment().startOf("day"):min,max=max===MIN_INTEGER?+moment().endOf("day")+1:max,me.min=Math.min(min,max),me.max=Math.max(min+1,max),me._horizontal=me.isHorizontal(),me._table=[],me._timestamps={data:timestamps,datasets:datasets,labels:labels}},buildTicks:function(){var i,ilen,timestamp,me=this,min=me.min,max=me.max,options=me.options,timeOpts=options.time,formats=timeOpts.displayFormats,capacity=me.getLabelCapacity(min),unit=timeOpts.unit||function(minUnit,min,max,capacity){var i,interval,factor,ilen=UNITS.length;for(i=UNITS.indexOf(minUnit);i<ilen-1;++i)if(factor=(interval=INTERVALS[UNITS[i]]).steps?interval.steps[interval.steps.length-1]:MAX_INTEGER,Math.ceil((max-min)/(factor*interval.size))<=capacity)return UNITS[i];return UNITS[ilen-1]}(timeOpts.minUnit,min,max,capacity),majorUnit=function(unit){for(var i=UNITS.indexOf(unit)+1,ilen=UNITS.length;i<ilen;++i)if(INTERVALS[UNITS[i]].major)return UNITS[i]}(unit),timestamps=[],ticks=[];switch(options.ticks.source){case"data":timestamps=me._timestamps.data;break;case"labels":timestamps=me._timestamps.labels;break;default:timestamps=generate(min,max,unit,majorUnit,capacity,options)}for("ticks"===options.bounds&&timestamps.length&&(min=timestamps[0],max=timestamps[timestamps.length-1]),min=parse(timeOpts.min,me)||min,max=parse(timeOpts.max,me)||max,i=0,ilen=timestamps.length;i<ilen;++i)(timestamp=timestamps[i])>=min&&timestamp<=max&&ticks.push(timestamp);return me.min=min,me.max=max,me._unit=unit,me._majorUnit=majorUnit,me._minorFormat=formats[unit],me._majorFormat=formats[majorUnit],me._table=function(timestamps,min,max,distribution){if("linear"===distribution||!timestamps.length)return[{time:min,pos:0},{time:max,pos:1}];var i,ilen,prev,curr,next,table=[],items=[min];for(i=0,ilen=timestamps.length;i<ilen;++i)(curr=timestamps[i])>min&&curr<max&&items.push(curr);for(items.push(max),i=0,ilen=items.length;i<ilen;++i)next=items[i+1],prev=items[i-1],curr=items[i],void 0!==prev&&void 0!==next&&Math.round((next+prev)/2)===curr||table.push({time:curr,pos:i/(ilen-1)});return table}(me._timestamps.data,min,max,options.distribution),me._offsets=function(table,ticks,min,max,options){var upper,lower,left=0,right=0;return options.offset&&ticks.length&&(options.time.min||(upper=ticks.length>1?ticks[1]:max,lower=ticks[0],left=(interpolate(table,"time",upper,"pos")-interpolate(table,"time",lower,"pos"))/2),options.time.max||(upper=ticks[ticks.length-1],lower=ticks.length>1?ticks[ticks.length-2]:min,right=(interpolate(table,"time",upper,"pos")-interpolate(table,"time",lower,"pos"))/2)),{left:left,right:right}}(me._table,ticks,min,max,options),function(values,majorUnit){var i,ilen,value,major,ticks=[];for(i=0,ilen=values.length;i<ilen;++i)value=values[i],major=!!majorUnit&&value===+moment(value).startOf(majorUnit),ticks.push({value:value,major:major});return ticks}(ticks,majorUnit)},getLabelForIndex:function(index,datasetIndex){var data=this.chart.data,timeOpts=this.options.time,label=data.labels&&index<data.labels.length?data.labels[index]:"",value=data.datasets[datasetIndex].data[index];return helpers.isObject(value)&&(label=this.getRightValue(value)),timeOpts.tooltipFormat&&(label=momentify(label,timeOpts).format(timeOpts.tooltipFormat)),label},tickFormatFunction:function(tick,index,ticks){var me=this,options=me.options,time=tick.valueOf(),majorUnit=me._majorUnit,majorFormat=me._majorFormat,majorTime=tick.clone().startOf(me._majorUnit).valueOf(),majorTickOpts=options.ticks.major,major=majorTickOpts.enabled&&majorUnit&&majorFormat&&time===majorTime,label=tick.format(major?majorFormat:me._minorFormat),tickOpts=major?majorTickOpts:options.ticks.minor,formatter=helpers.valueOrDefault(tickOpts.callback,tickOpts.userCallback);return formatter?formatter(label,index,ticks):label},convertTicksToLabels:function(ticks){var i,ilen,labels=[];for(i=0,ilen=ticks.length;i<ilen;++i)labels.push(this.tickFormatFunction(moment(ticks[i].value),i,ticks));return labels},getPixelForOffset:function(time){var me=this,size=me._horizontal?me.width:me.height,start=me._horizontal?me.left:me.top,pos=interpolate(me._table,"time",time,"pos");return start+size*(me._offsets.left+pos)/(me._offsets.left+1+me._offsets.right)},getPixelForValue:function(value,index,datasetIndex){var time=null;if(void 0!==index&&void 0!==datasetIndex&&(time=this._timestamps.datasets[datasetIndex][index]),null===time&&(time=parse(value,this)),null!==time)return this.getPixelForOffset(time)},getPixelForTick:function(index){var ticks=this.getTicks();return index>=0&&index<ticks.length?this.getPixelForOffset(ticks[index].value):null},getValueForPixel:function(pixel){var me=this,size=me._horizontal?me.width:me.height,start=me._horizontal?me.left:me.top,pos=(size?(pixel-start)/size:0)*(me._offsets.left+1+me._offsets.left)-me._offsets.right,time=interpolate(me._table,"pos",pos,"time");return moment(time)},getLabelWidth:function(label){var ticksOpts=this.options.ticks,tickLabelWidth=this.ctx.measureText(label).width,angle=helpers.toRadians(ticksOpts.maxRotation),cosRotation=Math.cos(angle),sinRotation=Math.sin(angle);return tickLabelWidth*cosRotation+helpers.valueOrDefault(ticksOpts.fontSize,defaults.global.defaultFontSize)*sinRotation},getLabelCapacity:function(exampleTime){var me=this;me._minorFormat=me.options.time.displayFormats.millisecond;var exampleLabel=me.tickFormatFunction(moment(exampleTime),0,[]),tickLabelWidth=me.getLabelWidth(exampleLabel),innerWidth=me.isHorizontal()?me.width:me.height;return Math.floor(innerWidth/tickLabelWidth)}});Chart.scaleService.registerScaleType("time",TimeScale,{position:"bottom",distribution:"linear",bounds:"data",time:{parser:!1,format:!1,unit:!1,round:!1,displayFormat:!1,isoWeekday:!1,minUnit:"millisecond",displayFormats:{millisecond:"h:mm:ss.SSS a",second:"h:mm:ss a",minute:"h:mm a",hour:"hA",day:"MMM D",week:"ll",month:"MMM YYYY",quarter:"[Q]Q - YYYY",year:"YYYY"}},ticks:{autoSkip:!1,source:"auto",major:{enabled:!1}}})}},{25:25,45:45,6:6}]},{},[7])(7)}));
+
+//# sourceMappingURL=chartjs-lazy.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chartjs-lazy.min.js.map b/lib/amd/build/chartjs-lazy.min.js.map
index e462ddd6ea4..dc62caeb69c 100644
--- a/lib/amd/build/chartjs-lazy.min.js.map
+++ b/lib/amd/build/chartjs-lazy.min.js.map
@@ -1 +1 @@
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* Chart.js\n * http://chartjs.org/\n * Version: 2.2.2\n *\n * Copyright 2016 Nick Downie\n * Released under the MIT license\n * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md\n */\n\n/**\n * Description of import into Moodle:\n *\n * - Download Chart.bundle.js from https://github.com/chartjs/Chart.js/releases.\n * - Copy Chart.bundle.js content to lib/amd/src/chartjs-lazy.js.\n * - Convert line endings to LF-Unix format.\n * - Keep these instructions to the file.\n * - Visit lib/tests/other/chartjstestpage.php to see if the library still works after the update.\n */\n\n(function(f){if(typeof exports===\"object\"&&typeof module!==\"undefined\"){module.exports=f()}else if(typeof define===\"function\"&&define.amd){define([],f)}else{var g;if(typeof window!==\"undefined\"){g=window}else if(typeof global!==\"undefined\"){g=global}else if(typeof self!==\"undefined\"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n\t/* MIT license */\n    var colorNames = require(5);\n\n    module.exports = {\n        getRgba: getRgba,\n        getHsla: getHsla,\n        getRgb: getRgb,\n        getHsl: getHsl,\n        getHwb: getHwb,\n        getAlpha: getAlpha,\n\n        hexString: hexString,\n        rgbString: rgbString,\n        rgbaString: rgbaString,\n        percentString: percentString,\n        percentaString: percentaString,\n        hslString: hslString,\n        hslaString: hslaString,\n        hwbString: hwbString,\n        keyword: keyword\n    }\n\n    function getRgba(string) {\n        if (!string) {\n            return;\n        }\n        var abbr =  /^#([a-fA-F0-9]{3})$/i,\n            hex =  /^#([a-fA-F0-9]{6})$/i,\n            rgba = /^rgba?\\(\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n            per = /^rgba?\\(\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n            keyword = /(\\w+)/;\n\n        var rgb = [0, 0, 0],\n            a = 1,\n            match = string.match(abbr);\n        if (match) {\n            match = match[1];\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match[i] + match[i], 16);\n            }\n        }\n        else if (match = string.match(hex)) {\n            match = match[1];\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);\n            }\n        }\n        else if (match = string.match(rgba)) {\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match[i + 1]);\n            }\n            a = parseFloat(match[4]);\n        }\n        else if (match = string.match(per)) {\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);\n            }\n            a = parseFloat(match[4]);\n        }\n        else if (match = string.match(keyword)) {\n            if (match[1] == \"transparent\") {\n                return [0, 0, 0, 0];\n            }\n            rgb = colorNames[match[1]];\n            if (!rgb) {\n                return;\n            }\n        }\n\n        for (var i = 0; i < rgb.length; i++) {\n            rgb[i] = scale(rgb[i], 0, 255);\n        }\n        if (!a && a != 0) {\n            a = 1;\n        }\n        else {\n            a = scale(a, 0, 1);\n        }\n        rgb[3] = a;\n        return rgb;\n    }\n\n    function getHsla(string) {\n        if (!string) {\n            return;\n        }\n        var hsl = /^hsla?\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n        var match = string.match(hsl);\n        if (match) {\n            var alpha = parseFloat(match[4]);\n            var h = scale(parseInt(match[1]), 0, 360),\n                s = scale(parseFloat(match[2]), 0, 100),\n                l = scale(parseFloat(match[3]), 0, 100),\n                a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n            return [h, s, l, a];\n        }\n    }\n\n    function getHwb(string) {\n        if (!string) {\n            return;\n        }\n        var hwb = /^hwb\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n        var match = string.match(hwb);\n        if (match) {\n            var alpha = parseFloat(match[4]);\n            var h = scale(parseInt(match[1]), 0, 360),\n                w = scale(parseFloat(match[2]), 0, 100),\n                b = scale(parseFloat(match[3]), 0, 100),\n                a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n            return [h, w, b, a];\n        }\n    }\n\n    function getRgb(string) {\n        var rgba = getRgba(string);\n        return rgba && rgba.slice(0, 3);\n    }\n\n    function getHsl(string) {\n        var hsla = getHsla(string);\n        return hsla && hsla.slice(0, 3);\n    }\n\n    function getAlpha(string) {\n        var vals = getRgba(string);\n        if (vals) {\n            return vals[3];\n        }\n        else if (vals = getHsla(string)) {\n            return vals[3];\n        }\n        else if (vals = getHwb(string)) {\n            return vals[3];\n        }\n    }\n\n// generators\n    function hexString(rgb) {\n        return \"#\" + hexDouble(rgb[0]) + hexDouble(rgb[1])\n            + hexDouble(rgb[2]);\n    }\n\n    function rgbString(rgba, alpha) {\n        if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n            return rgbaString(rgba, alpha);\n        }\n        return \"rgb(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2] + \")\";\n    }\n\n    function rgbaString(rgba, alpha) {\n        if (alpha === undefined) {\n            alpha = (rgba[3] !== undefined ? rgba[3] : 1);\n        }\n        return \"rgba(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2]\n            + \", \" + alpha + \")\";\n    }\n\n    function percentString(rgba, alpha) {\n        if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n            return percentaString(rgba, alpha);\n        }\n        var r = Math.round(rgba[0]/255 * 100),\n            g = Math.round(rgba[1]/255 * 100),\n            b = Math.round(rgba[2]/255 * 100);\n\n        return \"rgb(\" + r + \"%, \" + g + \"%, \" + b + \"%)\";\n    }\n\n    function percentaString(rgba, alpha) {\n        var r = Math.round(rgba[0]/255 * 100),\n            g = Math.round(rgba[1]/255 * 100),\n            b = Math.round(rgba[2]/255 * 100);\n        return \"rgba(\" + r + \"%, \" + g + \"%, \" + b + \"%, \" + (alpha || rgba[3] || 1) + \")\";\n    }\n\n    function hslString(hsla, alpha) {\n        if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {\n            return hslaString(hsla, alpha);\n        }\n        return \"hsl(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%)\";\n    }\n\n    function hslaString(hsla, alpha) {\n        if (alpha === undefined) {\n            alpha = (hsla[3] !== undefined ? hsla[3] : 1);\n        }\n        return \"hsla(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%, \"\n            + alpha + \")\";\n    }\n\n// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax\n// (hwb have alpha optional & 1 is default value)\n    function hwbString(hwb, alpha) {\n        if (alpha === undefined) {\n            alpha = (hwb[3] !== undefined ? hwb[3] : 1);\n        }\n        return \"hwb(\" + hwb[0] + \", \" + hwb[1] + \"%, \" + hwb[2] + \"%\"\n            + (alpha !== undefined && alpha !== 1 ? \", \" + alpha : \"\") + \")\";\n    }\n\n    function keyword(rgb) {\n        return reverseNames[rgb.slice(0, 3)];\n    }\n\n// helpers\n    function scale(num, min, max) {\n        return Math.min(Math.max(min, num), max);\n    }\n\n    function hexDouble(num) {\n        var str = num.toString(16).toUpperCase();\n        return (str.length < 2) ? \"0\" + str : str;\n    }\n\n\n//create a list of reverse color names\n    var reverseNames = {};\n    for (var name in colorNames) {\n        reverseNames[colorNames[name]] = name;\n    }\n\n},{\"5\":5}],2:[function(require,module,exports){\n\t/* MIT license */\n    var convert = require(4);\n    var string = require(1);\n\n    var Color = function (obj) {\n        if (obj instanceof Color) {\n            return obj;\n        }\n        if (!(this instanceof Color)) {\n            return new Color(obj);\n        }\n\n        this.valid = false;\n        this.values = {\n            rgb: [0, 0, 0],\n            hsl: [0, 0, 0],\n            hsv: [0, 0, 0],\n            hwb: [0, 0, 0],\n            cmyk: [0, 0, 0, 0],\n            alpha: 1\n        };\n\n        // parse Color() argument\n        var vals;\n        if (typeof obj === 'string') {\n            vals = string.getRgba(obj);\n            if (vals) {\n                this.setValues('rgb', vals);\n            } else if (vals = string.getHsla(obj)) {\n                this.setValues('hsl', vals);\n            } else if (vals = string.getHwb(obj)) {\n                this.setValues('hwb', vals);\n            }\n        } else if (typeof obj === 'object') {\n            vals = obj;\n            if (vals.r !== undefined || vals.red !== undefined) {\n                this.setValues('rgb', vals);\n            } else if (vals.l !== undefined || vals.lightness !== undefined) {\n                this.setValues('hsl', vals);\n            } else if (vals.v !== undefined || vals.value !== undefined) {\n                this.setValues('hsv', vals);\n            } else if (vals.w !== undefined || vals.whiteness !== undefined) {\n                this.setValues('hwb', vals);\n            } else if (vals.c !== undefined || vals.cyan !== undefined) {\n                this.setValues('cmyk', vals);\n            }\n        }\n    };\n\n    Color.prototype = {\n        isValid: function () {\n            return this.valid;\n        },\n        rgb: function () {\n            return this.setSpace('rgb', arguments);\n        },\n        hsl: function () {\n            return this.setSpace('hsl', arguments);\n        },\n        hsv: function () {\n            return this.setSpace('hsv', arguments);\n        },\n        hwb: function () {\n            return this.setSpace('hwb', arguments);\n        },\n        cmyk: function () {\n            return this.setSpace('cmyk', arguments);\n        },\n\n        rgbArray: function () {\n            return this.values.rgb;\n        },\n        hslArray: function () {\n            return this.values.hsl;\n        },\n        hsvArray: function () {\n            return this.values.hsv;\n        },\n        hwbArray: function () {\n            var values = this.values;\n            if (values.alpha !== 1) {\n                return values.hwb.concat([values.alpha]);\n            }\n            return values.hwb;\n        },\n        cmykArray: function () {\n            return this.values.cmyk;\n        },\n        rgbaArray: function () {\n            var values = this.values;\n            return values.rgb.concat([values.alpha]);\n        },\n        hslaArray: function () {\n            var values = this.values;\n            return values.hsl.concat([values.alpha]);\n        },\n        alpha: function (val) {\n            if (val === undefined) {\n                return this.values.alpha;\n            }\n            this.setValues('alpha', val);\n            return this;\n        },\n\n        red: function (val) {\n            return this.setChannel('rgb', 0, val);\n        },\n        green: function (val) {\n            return this.setChannel('rgb', 1, val);\n        },\n        blue: function (val) {\n            return this.setChannel('rgb', 2, val);\n        },\n        hue: function (val) {\n            if (val) {\n                val %= 360;\n                val = val < 0 ? 360 + val : val;\n            }\n            return this.setChannel('hsl', 0, val);\n        },\n        saturation: function (val) {\n            return this.setChannel('hsl', 1, val);\n        },\n        lightness: function (val) {\n            return this.setChannel('hsl', 2, val);\n        },\n        saturationv: function (val) {\n            return this.setChannel('hsv', 1, val);\n        },\n        whiteness: function (val) {\n            return this.setChannel('hwb', 1, val);\n        },\n        blackness: function (val) {\n            return this.setChannel('hwb', 2, val);\n        },\n        value: function (val) {\n            return this.setChannel('hsv', 2, val);\n        },\n        cyan: function (val) {\n            return this.setChannel('cmyk', 0, val);\n        },\n        magenta: function (val) {\n            return this.setChannel('cmyk', 1, val);\n        },\n        yellow: function (val) {\n            return this.setChannel('cmyk', 2, val);\n        },\n        black: function (val) {\n            return this.setChannel('cmyk', 3, val);\n        },\n\n        hexString: function () {\n            return string.hexString(this.values.rgb);\n        },\n        rgbString: function () {\n            return string.rgbString(this.values.rgb, this.values.alpha);\n        },\n        rgbaString: function () {\n            return string.rgbaString(this.values.rgb, this.values.alpha);\n        },\n        percentString: function () {\n            return string.percentString(this.values.rgb, this.values.alpha);\n        },\n        hslString: function () {\n            return string.hslString(this.values.hsl, this.values.alpha);\n        },\n        hslaString: function () {\n            return string.hslaString(this.values.hsl, this.values.alpha);\n        },\n        hwbString: function () {\n            return string.hwbString(this.values.hwb, this.values.alpha);\n        },\n        keyword: function () {\n            return string.keyword(this.values.rgb, this.values.alpha);\n        },\n\n        rgbNumber: function () {\n            var rgb = this.values.rgb;\n            return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];\n        },\n\n        luminosity: function () {\n            // http://www.w3.org/TR/WCAG20/#relativeluminancedef\n            var rgb = this.values.rgb;\n            var lum = [];\n            for (var i = 0; i < rgb.length; i++) {\n                var chan = rgb[i] / 255;\n                lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);\n            }\n            return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];\n        },\n\n        contrast: function (color2) {\n            // http://www.w3.org/TR/WCAG20/#contrast-ratiodef\n            var lum1 = this.luminosity();\n            var lum2 = color2.luminosity();\n            if (lum1 > lum2) {\n                return (lum1 + 0.05) / (lum2 + 0.05);\n            }\n            return (lum2 + 0.05) / (lum1 + 0.05);\n        },\n\n        level: function (color2) {\n            var contrastRatio = this.contrast(color2);\n            if (contrastRatio >= 7.1) {\n                return 'AAA';\n            }\n\n            return (contrastRatio >= 4.5) ? 'AA' : '';\n        },\n\n        dark: function () {\n            // YIQ equation from http://24ways.org/2010/calculating-color-contrast\n            var rgb = this.values.rgb;\n            var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;\n            return yiq < 128;\n        },\n\n        light: function () {\n            return !this.dark();\n        },\n\n        negate: function () {\n            var rgb = [];\n            for (var i = 0; i < 3; i++) {\n                rgb[i] = 255 - this.values.rgb[i];\n            }\n            this.setValues('rgb', rgb);\n            return this;\n        },\n\n        lighten: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[2] += hsl[2] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        darken: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[2] -= hsl[2] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        saturate: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[1] += hsl[1] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        desaturate: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[1] -= hsl[1] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        whiten: function (ratio) {\n            var hwb = this.values.hwb;\n            hwb[1] += hwb[1] * ratio;\n            this.setValues('hwb', hwb);\n            return this;\n        },\n\n        blacken: function (ratio) {\n            var hwb = this.values.hwb;\n            hwb[2] += hwb[2] * ratio;\n            this.setValues('hwb', hwb);\n            return this;\n        },\n\n        greyscale: function () {\n            var rgb = this.values.rgb;\n            // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale\n            var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;\n            this.setValues('rgb', [val, val, val]);\n            return this;\n        },\n\n        clearer: function (ratio) {\n            var alpha = this.values.alpha;\n            this.setValues('alpha', alpha - (alpha * ratio));\n            return this;\n        },\n\n        opaquer: function (ratio) {\n            var alpha = this.values.alpha;\n            this.setValues('alpha', alpha + (alpha * ratio));\n            return this;\n        },\n\n        rotate: function (degrees) {\n            var hsl = this.values.hsl;\n            var hue = (hsl[0] + degrees) % 360;\n            hsl[0] = hue < 0 ? 360 + hue : hue;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        /**\n         * Ported from sass implementation in C\n         * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209\n         */\n        mix: function (mixinColor, weight) {\n            var color1 = this;\n            var color2 = mixinColor;\n            var p = weight === undefined ? 0.5 : weight;\n\n            var w = 2 * p - 1;\n            var a = color1.alpha() - color2.alpha();\n\n            var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n            var w2 = 1 - w1;\n\n            return this\n                .rgb(\n                    w1 * color1.red() + w2 * color2.red(),\n                    w1 * color1.green() + w2 * color2.green(),\n                    w1 * color1.blue() + w2 * color2.blue()\n                )\n                .alpha(color1.alpha() * p + color2.alpha() * (1 - p));\n        },\n\n        toJSON: function () {\n            return this.rgb();\n        },\n\n        clone: function () {\n            // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,\n            // making the final build way to big to embed in Chart.js. So let's do it manually,\n            // assuming that values to clone are 1 dimension arrays containing only numbers,\n            // except 'alpha' which is a number.\n            var result = new Color();\n            var source = this.values;\n            var target = result.values;\n            var value, type;\n\n            for (var prop in source) {\n                if (source.hasOwnProperty(prop)) {\n                    value = source[prop];\n                    type = ({}).toString.call(value);\n                    if (type === '[object Array]') {\n                        target[prop] = value.slice(0);\n                    } else if (type === '[object Number]') {\n                        target[prop] = value;\n                    } else {\n                        console.error('unexpected color value:', value);\n                    }\n                }\n            }\n\n            return result;\n        }\n    };\n\n    Color.prototype.spaces = {\n        rgb: ['red', 'green', 'blue'],\n        hsl: ['hue', 'saturation', 'lightness'],\n        hsv: ['hue', 'saturation', 'value'],\n        hwb: ['hue', 'whiteness', 'blackness'],\n        cmyk: ['cyan', 'magenta', 'yellow', 'black']\n    };\n\n    Color.prototype.maxes = {\n        rgb: [255, 255, 255],\n        hsl: [360, 100, 100],\n        hsv: [360, 100, 100],\n        hwb: [360, 100, 100],\n        cmyk: [100, 100, 100, 100]\n    };\n\n    Color.prototype.getValues = function (space) {\n        var values = this.values;\n        var vals = {};\n\n        for (var i = 0; i < space.length; i++) {\n            vals[space.charAt(i)] = values[space][i];\n        }\n\n        if (values.alpha !== 1) {\n            vals.a = values.alpha;\n        }\n\n        // {r: 255, g: 255, b: 255, a: 0.4}\n        return vals;\n    };\n\n    Color.prototype.setValues = function (space, vals) {\n        var values = this.values;\n        var spaces = this.spaces;\n        var maxes = this.maxes;\n        var alpha = 1;\n        var i;\n\n        this.valid = true;\n\n        if (space === 'alpha') {\n            alpha = vals;\n        } else if (vals.length) {\n            // [10, 10, 10]\n            values[space] = vals.slice(0, space.length);\n            alpha = vals[space.length];\n        } else if (vals[space.charAt(0)] !== undefined) {\n            // {r: 10, g: 10, b: 10}\n            for (i = 0; i < space.length; i++) {\n                values[space][i] = vals[space.charAt(i)];\n            }\n\n            alpha = vals.a;\n        } else if (vals[spaces[space][0]] !== undefined) {\n            // {red: 10, green: 10, blue: 10}\n            var chans = spaces[space];\n\n            for (i = 0; i < space.length; i++) {\n                values[space][i] = vals[chans[i]];\n            }\n\n            alpha = vals.alpha;\n        }\n\n        values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));\n\n        if (space === 'alpha') {\n            return false;\n        }\n\n        var capped;\n\n        // cap values of the space prior converting all values\n        for (i = 0; i < space.length; i++) {\n            capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));\n            values[space][i] = Math.round(capped);\n        }\n\n        // convert to all the other color spaces\n        for (var sname in spaces) {\n            if (sname !== space) {\n                values[sname] = convert[space][sname](values[space]);\n            }\n        }\n\n        return true;\n    };\n\n    Color.prototype.setSpace = function (space, args) {\n        var vals = args[0];\n\n        if (vals === undefined) {\n            // color.rgb()\n            return this.getValues(space);\n        }\n\n        // color.rgb(10, 10, 10)\n        if (typeof vals === 'number') {\n            vals = Array.prototype.slice.call(args);\n        }\n\n        this.setValues(space, vals);\n        return this;\n    };\n\n    Color.prototype.setChannel = function (space, index, val) {\n        var svalues = this.values[space];\n        if (val === undefined) {\n            // color.red()\n            return svalues[index];\n        } else if (val === svalues[index]) {\n            // color.red(color.red())\n            return this;\n        }\n\n        // color.red(100)\n        svalues[index] = val;\n        this.setValues(space, svalues);\n\n        return this;\n    };\n\n    if (typeof window !== 'undefined') {\n        window.Color = Color;\n    }\n\n    module.exports = Color;\n\n},{\"1\":1,\"4\":4}],3:[function(require,module,exports){\n\t/* MIT license */\n\n    module.exports = {\n        rgb2hsl: rgb2hsl,\n        rgb2hsv: rgb2hsv,\n        rgb2hwb: rgb2hwb,\n        rgb2cmyk: rgb2cmyk,\n        rgb2keyword: rgb2keyword,\n        rgb2xyz: rgb2xyz,\n        rgb2lab: rgb2lab,\n        rgb2lch: rgb2lch,\n\n        hsl2rgb: hsl2rgb,\n        hsl2hsv: hsl2hsv,\n        hsl2hwb: hsl2hwb,\n        hsl2cmyk: hsl2cmyk,\n        hsl2keyword: hsl2keyword,\n\n        hsv2rgb: hsv2rgb,\n        hsv2hsl: hsv2hsl,\n        hsv2hwb: hsv2hwb,\n        hsv2cmyk: hsv2cmyk,\n        hsv2keyword: hsv2keyword,\n\n        hwb2rgb: hwb2rgb,\n        hwb2hsl: hwb2hsl,\n        hwb2hsv: hwb2hsv,\n        hwb2cmyk: hwb2cmyk,\n        hwb2keyword: hwb2keyword,\n\n        cmyk2rgb: cmyk2rgb,\n        cmyk2hsl: cmyk2hsl,\n        cmyk2hsv: cmyk2hsv,\n        cmyk2hwb: cmyk2hwb,\n        cmyk2keyword: cmyk2keyword,\n\n        keyword2rgb: keyword2rgb,\n        keyword2hsl: keyword2hsl,\n        keyword2hsv: keyword2hsv,\n        keyword2hwb: keyword2hwb,\n        keyword2cmyk: keyword2cmyk,\n        keyword2lab: keyword2lab,\n        keyword2xyz: keyword2xyz,\n\n        xyz2rgb: xyz2rgb,\n        xyz2lab: xyz2lab,\n        xyz2lch: xyz2lch,\n\n        lab2xyz: lab2xyz,\n        lab2rgb: lab2rgb,\n        lab2lch: lab2lch,\n\n        lch2lab: lch2lab,\n        lch2xyz: lch2xyz,\n        lch2rgb: lch2rgb\n    }\n\n\n    function rgb2hsl(rgb) {\n        var r = rgb[0]/255,\n            g = rgb[1]/255,\n            b = rgb[2]/255,\n            min = Math.min(r, g, b),\n            max = Math.max(r, g, b),\n            delta = max - min,\n            h, s, l;\n\n        if (max == min)\n            h = 0;\n        else if (r == max)\n            h = (g - b) / delta;\n        else if (g == max)\n            h = 2 + (b - r) / delta;\n        else if (b == max)\n            h = 4 + (r - g)/ delta;\n\n        h = Math.min(h * 60, 360);\n\n        if (h < 0)\n            h += 360;\n\n        l = (min + max) / 2;\n\n        if (max == min)\n            s = 0;\n        else if (l <= 0.5)\n            s = delta / (max + min);\n        else\n            s = delta / (2 - max - min);\n\n        return [h, s * 100, l * 100];\n    }\n\n    function rgb2hsv(rgb) {\n        var r = rgb[0],\n            g = rgb[1],\n            b = rgb[2],\n            min = Math.min(r, g, b),\n            max = Math.max(r, g, b),\n            delta = max - min,\n            h, s, v;\n\n        if (max == 0)\n            s = 0;\n        else\n            s = (delta/max * 1000)/10;\n\n        if (max == min)\n            h = 0;\n        else if (r == max)\n            h = (g - b) / delta;\n        else if (g == max)\n            h = 2 + (b - r) / delta;\n        else if (b == max)\n            h = 4 + (r - g) / delta;\n\n        h = Math.min(h * 60, 360);\n\n        if (h < 0)\n            h += 360;\n\n        v = ((max / 255) * 1000) / 10;\n\n        return [h, s, v];\n    }\n\n    function rgb2hwb(rgb) {\n        var r = rgb[0],\n            g = rgb[1],\n            b = rgb[2],\n            h = rgb2hsl(rgb)[0],\n            w = 1/255 * Math.min(r, Math.min(g, b)),\n            b = 1 - 1/255 * Math.max(r, Math.max(g, b));\n\n        return [h, w * 100, b * 100];\n    }\n\n    function rgb2cmyk(rgb) {\n        var r = rgb[0] / 255,\n            g = rgb[1] / 255,\n            b = rgb[2] / 255,\n            c, m, y, k;\n\n        k = Math.min(1 - r, 1 - g, 1 - b);\n        c = (1 - r - k) / (1 - k) || 0;\n        m = (1 - g - k) / (1 - k) || 0;\n        y = (1 - b - k) / (1 - k) || 0;\n        return [c * 100, m * 100, y * 100, k * 100];\n    }\n\n    function rgb2keyword(rgb) {\n        return reverseKeywords[JSON.stringify(rgb)];\n    }\n\n    function rgb2xyz(rgb) {\n        var r = rgb[0] / 255,\n            g = rgb[1] / 255,\n            b = rgb[2] / 255;\n\n        // assume sRGB\n        r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);\n        g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);\n        b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);\n\n        var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);\n        var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);\n        var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);\n\n        return [x * 100, y *100, z * 100];\n    }\n\n    function rgb2lab(rgb) {\n        var xyz = rgb2xyz(rgb),\n            x = xyz[0],\n            y = xyz[1],\n            z = xyz[2],\n            l, a, b;\n\n        x /= 95.047;\n        y /= 100;\n        z /= 108.883;\n\n        x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n        y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n        z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n        l = (116 * y) - 16;\n        a = 500 * (x - y);\n        b = 200 * (y - z);\n\n        return [l, a, b];\n    }\n\n    function rgb2lch(args) {\n        return lab2lch(rgb2lab(args));\n    }\n\n    function hsl2rgb(hsl) {\n        var h = hsl[0] / 360,\n            s = hsl[1] / 100,\n            l = hsl[2] / 100,\n            t1, t2, t3, rgb, val;\n\n        if (s == 0) {\n            val = l * 255;\n            return [val, val, val];\n        }\n\n        if (l < 0.5)\n            t2 = l * (1 + s);\n        else\n            t2 = l + s - l * s;\n        t1 = 2 * l - t2;\n\n        rgb = [0, 0, 0];\n        for (var i = 0; i < 3; i++) {\n            t3 = h + 1 / 3 * - (i - 1);\n            t3 < 0 && t3++;\n            t3 > 1 && t3--;\n\n            if (6 * t3 < 1)\n                val = t1 + (t2 - t1) * 6 * t3;\n            else if (2 * t3 < 1)\n                val = t2;\n            else if (3 * t3 < 2)\n                val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;\n            else\n                val = t1;\n\n            rgb[i] = val * 255;\n        }\n\n        return rgb;\n    }\n\n    function hsl2hsv(hsl) {\n        var h = hsl[0],\n            s = hsl[1] / 100,\n            l = hsl[2] / 100,\n            sv, v;\n\n        if(l === 0) {\n            // no need to do calc on black\n            // also avoids divide by 0 error\n            return [0, 0, 0];\n        }\n\n        l *= 2;\n        s *= (l <= 1) ? l : 2 - l;\n        v = (l + s) / 2;\n        sv = (2 * s) / (l + s);\n        return [h, sv * 100, v * 100];\n    }\n\n    function hsl2hwb(args) {\n        return rgb2hwb(hsl2rgb(args));\n    }\n\n    function hsl2cmyk(args) {\n        return rgb2cmyk(hsl2rgb(args));\n    }\n\n    function hsl2keyword(args) {\n        return rgb2keyword(hsl2rgb(args));\n    }\n\n\n    function hsv2rgb(hsv) {\n        var h = hsv[0] / 60,\n            s = hsv[1] / 100,\n            v = hsv[2] / 100,\n            hi = Math.floor(h) % 6;\n\n        var f = h - Math.floor(h),\n            p = 255 * v * (1 - s),\n            q = 255 * v * (1 - (s * f)),\n            t = 255 * v * (1 - (s * (1 - f))),\n            v = 255 * v;\n\n        switch(hi) {\n            case 0:\n                return [v, t, p];\n            case 1:\n                return [q, v, p];\n            case 2:\n                return [p, v, t];\n            case 3:\n                return [p, q, v];\n            case 4:\n                return [t, p, v];\n            case 5:\n                return [v, p, q];\n        }\n    }\n\n    function hsv2hsl(hsv) {\n        var h = hsv[0],\n            s = hsv[1] / 100,\n            v = hsv[2] / 100,\n            sl, l;\n\n        l = (2 - s) * v;\n        sl = s * v;\n        sl /= (l <= 1) ? l : 2 - l;\n        sl = sl || 0;\n        l /= 2;\n        return [h, sl * 100, l * 100];\n    }\n\n    function hsv2hwb(args) {\n        return rgb2hwb(hsv2rgb(args))\n    }\n\n    function hsv2cmyk(args) {\n        return rgb2cmyk(hsv2rgb(args));\n    }\n\n    function hsv2keyword(args) {\n        return rgb2keyword(hsv2rgb(args));\n    }\n\n// http://dev.w3.org/csswg/css-color/#hwb-to-rgb\n    function hwb2rgb(hwb) {\n        var h = hwb[0] / 360,\n            wh = hwb[1] / 100,\n            bl = hwb[2] / 100,\n            ratio = wh + bl,\n            i, v, f, n;\n\n        // wh + bl cant be > 1\n        if (ratio > 1) {\n            wh /= ratio;\n            bl /= ratio;\n        }\n\n        i = Math.floor(6 * h);\n        v = 1 - bl;\n        f = 6 * h - i;\n        if ((i & 0x01) != 0) {\n            f = 1 - f;\n        }\n        n = wh + f * (v - wh);  // linear interpolation\n\n        switch (i) {\n            default:\n            case 6:\n            case 0: r = v; g = n; b = wh; break;\n            case 1: r = n; g = v; b = wh; break;\n            case 2: r = wh; g = v; b = n; break;\n            case 3: r = wh; g = n; b = v; break;\n            case 4: r = n; g = wh; b = v; break;\n            case 5: r = v; g = wh; b = n; break;\n        }\n\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function hwb2hsl(args) {\n        return rgb2hsl(hwb2rgb(args));\n    }\n\n    function hwb2hsv(args) {\n        return rgb2hsv(hwb2rgb(args));\n    }\n\n    function hwb2cmyk(args) {\n        return rgb2cmyk(hwb2rgb(args));\n    }\n\n    function hwb2keyword(args) {\n        return rgb2keyword(hwb2rgb(args));\n    }\n\n    function cmyk2rgb(cmyk) {\n        var c = cmyk[0] / 100,\n            m = cmyk[1] / 100,\n            y = cmyk[2] / 100,\n            k = cmyk[3] / 100,\n            r, g, b;\n\n        r = 1 - Math.min(1, c * (1 - k) + k);\n        g = 1 - Math.min(1, m * (1 - k) + k);\n        b = 1 - Math.min(1, y * (1 - k) + k);\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function cmyk2hsl(args) {\n        return rgb2hsl(cmyk2rgb(args));\n    }\n\n    function cmyk2hsv(args) {\n        return rgb2hsv(cmyk2rgb(args));\n    }\n\n    function cmyk2hwb(args) {\n        return rgb2hwb(cmyk2rgb(args));\n    }\n\n    function cmyk2keyword(args) {\n        return rgb2keyword(cmyk2rgb(args));\n    }\n\n\n    function xyz2rgb(xyz) {\n        var x = xyz[0] / 100,\n            y = xyz[1] / 100,\n            z = xyz[2] / 100,\n            r, g, b;\n\n        r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);\n        g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);\n        b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);\n\n        // assume sRGB\n        r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)\n            : r = (r * 12.92);\n\n        g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)\n            : g = (g * 12.92);\n\n        b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)\n            : b = (b * 12.92);\n\n        r = Math.min(Math.max(0, r), 1);\n        g = Math.min(Math.max(0, g), 1);\n        b = Math.min(Math.max(0, b), 1);\n\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function xyz2lab(xyz) {\n        var x = xyz[0],\n            y = xyz[1],\n            z = xyz[2],\n            l, a, b;\n\n        x /= 95.047;\n        y /= 100;\n        z /= 108.883;\n\n        x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n        y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n        z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n        l = (116 * y) - 16;\n        a = 500 * (x - y);\n        b = 200 * (y - z);\n\n        return [l, a, b];\n    }\n\n    function xyz2lch(args) {\n        return lab2lch(xyz2lab(args));\n    }\n\n    function lab2xyz(lab) {\n        var l = lab[0],\n            a = lab[1],\n            b = lab[2],\n            x, y, z, y2;\n\n        if (l <= 8) {\n            y = (l * 100) / 903.3;\n            y2 = (7.787 * (y / 100)) + (16 / 116);\n        } else {\n            y = 100 * Math.pow((l + 16) / 116, 3);\n            y2 = Math.pow(y / 100, 1/3);\n        }\n\n        x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3);\n\n        z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3);\n\n        return [x, y, z];\n    }\n\n    function lab2lch(lab) {\n        var l = lab[0],\n            a = lab[1],\n            b = lab[2],\n            hr, h, c;\n\n        hr = Math.atan2(b, a);\n        h = hr * 360 / 2 / Math.PI;\n        if (h < 0) {\n            h += 360;\n        }\n        c = Math.sqrt(a * a + b * b);\n        return [l, c, h];\n    }\n\n    function lab2rgb(args) {\n        return xyz2rgb(lab2xyz(args));\n    }\n\n    function lch2lab(lch) {\n        var l = lch[0],\n            c = lch[1],\n            h = lch[2],\n            a, b, hr;\n\n        hr = h / 360 * 2 * Math.PI;\n        a = c * Math.cos(hr);\n        b = c * Math.sin(hr);\n        return [l, a, b];\n    }\n\n    function lch2xyz(args) {\n        return lab2xyz(lch2lab(args));\n    }\n\n    function lch2rgb(args) {\n        return lab2rgb(lch2lab(args));\n    }\n\n    function keyword2rgb(keyword) {\n        return cssKeywords[keyword];\n    }\n\n    function keyword2hsl(args) {\n        return rgb2hsl(keyword2rgb(args));\n    }\n\n    function keyword2hsv(args) {\n        return rgb2hsv(keyword2rgb(args));\n    }\n\n    function keyword2hwb(args) {\n        return rgb2hwb(keyword2rgb(args));\n    }\n\n    function keyword2cmyk(args) {\n        return rgb2cmyk(keyword2rgb(args));\n    }\n\n    function keyword2lab(args) {\n        return rgb2lab(keyword2rgb(args));\n    }\n\n    function keyword2xyz(args) {\n        return rgb2xyz(keyword2rgb(args));\n    }\n\n    var cssKeywords = {\n        aliceblue:  [240,248,255],\n        antiquewhite: [250,235,215],\n        aqua: [0,255,255],\n        aquamarine: [127,255,212],\n        azure:  [240,255,255],\n        beige:  [245,245,220],\n        bisque: [255,228,196],\n        black:  [0,0,0],\n        blanchedalmond: [255,235,205],\n        blue: [0,0,255],\n        blueviolet: [138,43,226],\n        brown:  [165,42,42],\n        burlywood:  [222,184,135],\n        cadetblue:  [95,158,160],\n        chartreuse: [127,255,0],\n        chocolate:  [210,105,30],\n        coral:  [255,127,80],\n        cornflowerblue: [100,149,237],\n        cornsilk: [255,248,220],\n        crimson:  [220,20,60],\n        cyan: [0,255,255],\n        darkblue: [0,0,139],\n        darkcyan: [0,139,139],\n        darkgoldenrod:  [184,134,11],\n        darkgray: [169,169,169],\n        darkgreen:  [0,100,0],\n        darkgrey: [169,169,169],\n        darkkhaki:  [189,183,107],\n        darkmagenta:  [139,0,139],\n        darkolivegreen: [85,107,47],\n        darkorange: [255,140,0],\n        darkorchid: [153,50,204],\n        darkred:  [139,0,0],\n        darksalmon: [233,150,122],\n        darkseagreen: [143,188,143],\n        darkslateblue:  [72,61,139],\n        darkslategray:  [47,79,79],\n        darkslategrey:  [47,79,79],\n        darkturquoise:  [0,206,209],\n        darkviolet: [148,0,211],\n        deeppink: [255,20,147],\n        deepskyblue:  [0,191,255],\n        dimgray:  [105,105,105],\n        dimgrey:  [105,105,105],\n        dodgerblue: [30,144,255],\n        firebrick:  [178,34,34],\n        floralwhite:  [255,250,240],\n        forestgreen:  [34,139,34],\n        fuchsia:  [255,0,255],\n        gainsboro:  [220,220,220],\n        ghostwhite: [248,248,255],\n        gold: [255,215,0],\n        goldenrod:  [218,165,32],\n        gray: [128,128,128],\n        green:  [0,128,0],\n        greenyellow:  [173,255,47],\n        grey: [128,128,128],\n        honeydew: [240,255,240],\n        hotpink:  [255,105,180],\n        indianred:  [205,92,92],\n        indigo: [75,0,130],\n        ivory:  [255,255,240],\n        khaki:  [240,230,140],\n        lavender: [230,230,250],\n        lavenderblush:  [255,240,245],\n        lawngreen:  [124,252,0],\n        lemonchiffon: [255,250,205],\n        lightblue:  [173,216,230],\n        lightcoral: [240,128,128],\n        lightcyan:  [224,255,255],\n        lightgoldenrodyellow: [250,250,210],\n        lightgray:  [211,211,211],\n        lightgreen: [144,238,144],\n        lightgrey:  [211,211,211],\n        lightpink:  [255,182,193],\n        lightsalmon:  [255,160,122],\n        lightseagreen:  [32,178,170],\n        lightskyblue: [135,206,250],\n        lightslategray: [119,136,153],\n        lightslategrey: [119,136,153],\n        lightsteelblue: [176,196,222],\n        lightyellow:  [255,255,224],\n        lime: [0,255,0],\n        limegreen:  [50,205,50],\n        linen:  [250,240,230],\n        magenta:  [255,0,255],\n        maroon: [128,0,0],\n        mediumaquamarine: [102,205,170],\n        mediumblue: [0,0,205],\n        mediumorchid: [186,85,211],\n        mediumpurple: [147,112,219],\n        mediumseagreen: [60,179,113],\n        mediumslateblue:  [123,104,238],\n        mediumspringgreen:  [0,250,154],\n        mediumturquoise:  [72,209,204],\n        mediumvioletred:  [199,21,133],\n        midnightblue: [25,25,112],\n        mintcream:  [245,255,250],\n        mistyrose:  [255,228,225],\n        moccasin: [255,228,181],\n        navajowhite:  [255,222,173],\n        navy: [0,0,128],\n        oldlace:  [253,245,230],\n        olive:  [128,128,0],\n        olivedrab:  [107,142,35],\n        orange: [255,165,0],\n        orangered:  [255,69,0],\n        orchid: [218,112,214],\n        palegoldenrod:  [238,232,170],\n        palegreen:  [152,251,152],\n        paleturquoise:  [175,238,238],\n        palevioletred:  [219,112,147],\n        papayawhip: [255,239,213],\n        peachpuff:  [255,218,185],\n        peru: [205,133,63],\n        pink: [255,192,203],\n        plum: [221,160,221],\n        powderblue: [176,224,230],\n        purple: [128,0,128],\n        rebeccapurple: [102, 51, 153],\n        red:  [255,0,0],\n        rosybrown:  [188,143,143],\n        royalblue:  [65,105,225],\n        saddlebrown:  [139,69,19],\n        salmon: [250,128,114],\n        sandybrown: [244,164,96],\n        seagreen: [46,139,87],\n        seashell: [255,245,238],\n        sienna: [160,82,45],\n        silver: [192,192,192],\n        skyblue:  [135,206,235],\n        slateblue:  [106,90,205],\n        slategray:  [112,128,144],\n        slategrey:  [112,128,144],\n        snow: [255,250,250],\n        springgreen:  [0,255,127],\n        steelblue:  [70,130,180],\n        tan:  [210,180,140],\n        teal: [0,128,128],\n        thistle:  [216,191,216],\n        tomato: [255,99,71],\n        turquoise:  [64,224,208],\n        violet: [238,130,238],\n        wheat:  [245,222,179],\n        white:  [255,255,255],\n        whitesmoke: [245,245,245],\n        yellow: [255,255,0],\n        yellowgreen:  [154,205,50]\n    };\n\n    var reverseKeywords = {};\n    for (var key in cssKeywords) {\n        reverseKeywords[JSON.stringify(cssKeywords[key])] = key;\n    }\n\n},{}],4:[function(require,module,exports){\n    var conversions = require(3);\n\n    var convert = function() {\n        return new Converter();\n    }\n\n    for (var func in conversions) {\n        // export Raw versions\n        convert[func + \"Raw\"] =  (function(func) {\n            // accept array or plain args\n            return function(arg) {\n                if (typeof arg == \"number\")\n                    arg = Array.prototype.slice.call(arguments);\n                return conversions[func](arg);\n            }\n        })(func);\n\n        var pair = /(\\w+)2(\\w+)/.exec(func),\n            from = pair[1],\n            to = pair[2];\n\n        // export rgb2hsl and [\"rgb\"][\"hsl\"]\n        convert[from] = convert[from] || {};\n\n        convert[from][to] = convert[func] = (function(func) {\n            return function(arg) {\n                if (typeof arg == \"number\")\n                    arg = Array.prototype.slice.call(arguments);\n\n                var val = conversions[func](arg);\n                if (typeof val == \"string\" || val === undefined)\n                    return val; // keyword\n\n                for (var i = 0; i < val.length; i++)\n                    val[i] = Math.round(val[i]);\n                return val;\n            }\n        })(func);\n    }\n\n\n\t/* Converter does lazy conversion and caching */\n    var Converter = function() {\n        this.convs = {};\n    };\n\n\t/* Either get the values for a space or\n\t set the values for a space, depending on args */\n    Converter.prototype.routeSpace = function(space, args) {\n        var values = args[0];\n        if (values === undefined) {\n            // color.rgb()\n            return this.getValues(space);\n        }\n        // color.rgb(10, 10, 10)\n        if (typeof values == \"number\") {\n            values = Array.prototype.slice.call(args);\n        }\n\n        return this.setValues(space, values);\n    };\n\n\t/* Set the values for a space, invalidating cache */\n    Converter.prototype.setValues = function(space, values) {\n        this.space = space;\n        this.convs = {};\n        this.convs[space] = values;\n        return this;\n    };\n\n\t/* Get the values for a space. If there's already\n\t a conversion for the space, fetch it, otherwise\n\t compute it */\n    Converter.prototype.getValues = function(space) {\n        var vals = this.convs[space];\n        if (!vals) {\n            var fspace = this.space,\n                from = this.convs[fspace];\n            vals = convert[fspace][space](from);\n\n            this.convs[space] = vals;\n        }\n        return vals;\n    };\n\n    [\"rgb\", \"hsl\", \"hsv\", \"cmyk\", \"keyword\"].forEach(function(space) {\n        Converter.prototype[space] = function(vals) {\n            return this.routeSpace(space, arguments);\n        }\n    });\n\n    module.exports = convert;\n},{\"3\":3}],5:[function(require,module,exports){\n    'use strict'\n\n    module.exports = {\n        \"aliceblue\": [240, 248, 255],\n        \"antiquewhite\": [250, 235, 215],\n        \"aqua\": [0, 255, 255],\n        \"aquamarine\": [127, 255, 212],\n        \"azure\": [240, 255, 255],\n        \"beige\": [245, 245, 220],\n        \"bisque\": [255, 228, 196],\n        \"black\": [0, 0, 0],\n        \"blanchedalmond\": [255, 235, 205],\n        \"blue\": [0, 0, 255],\n        \"blueviolet\": [138, 43, 226],\n        \"brown\": [165, 42, 42],\n        \"burlywood\": [222, 184, 135],\n        \"cadetblue\": [95, 158, 160],\n        \"chartreuse\": [127, 255, 0],\n        \"chocolate\": [210, 105, 30],\n        \"coral\": [255, 127, 80],\n        \"cornflowerblue\": [100, 149, 237],\n        \"cornsilk\": [255, 248, 220],\n        \"crimson\": [220, 20, 60],\n        \"cyan\": [0, 255, 255],\n        \"darkblue\": [0, 0, 139],\n        \"darkcyan\": [0, 139, 139],\n        \"darkgoldenrod\": [184, 134, 11],\n        \"darkgray\": [169, 169, 169],\n        \"darkgreen\": [0, 100, 0],\n        \"darkgrey\": [169, 169, 169],\n        \"darkkhaki\": [189, 183, 107],\n        \"darkmagenta\": [139, 0, 139],\n        \"darkolivegreen\": [85, 107, 47],\n        \"darkorange\": [255, 140, 0],\n        \"darkorchid\": [153, 50, 204],\n        \"darkred\": [139, 0, 0],\n        \"darksalmon\": [233, 150, 122],\n        \"darkseagreen\": [143, 188, 143],\n        \"darkslateblue\": [72, 61, 139],\n        \"darkslategray\": [47, 79, 79],\n        \"darkslategrey\": [47, 79, 79],\n        \"darkturquoise\": [0, 206, 209],\n        \"darkviolet\": [148, 0, 211],\n        \"deeppink\": [255, 20, 147],\n        \"deepskyblue\": [0, 191, 255],\n        \"dimgray\": [105, 105, 105],\n        \"dimgrey\": [105, 105, 105],\n        \"dodgerblue\": [30, 144, 255],\n        \"firebrick\": [178, 34, 34],\n        \"floralwhite\": [255, 250, 240],\n        \"forestgreen\": [34, 139, 34],\n        \"fuchsia\": [255, 0, 255],\n        \"gainsboro\": [220, 220, 220],\n        \"ghostwhite\": [248, 248, 255],\n        \"gold\": [255, 215, 0],\n        \"goldenrod\": [218, 165, 32],\n        \"gray\": [128, 128, 128],\n        \"green\": [0, 128, 0],\n        \"greenyellow\": [173, 255, 47],\n        \"grey\": [128, 128, 128],\n        \"honeydew\": [240, 255, 240],\n        \"hotpink\": [255, 105, 180],\n        \"indianred\": [205, 92, 92],\n        \"indigo\": [75, 0, 130],\n        \"ivory\": [255, 255, 240],\n        \"khaki\": [240, 230, 140],\n        \"lavender\": [230, 230, 250],\n        \"lavenderblush\": [255, 240, 245],\n        \"lawngreen\": [124, 252, 0],\n        \"lemonchiffon\": [255, 250, 205],\n        \"lightblue\": [173, 216, 230],\n        \"lightcoral\": [240, 128, 128],\n        \"lightcyan\": [224, 255, 255],\n        \"lightgoldenrodyellow\": [250, 250, 210],\n        \"lightgray\": [211, 211, 211],\n        \"lightgreen\": [144, 238, 144],\n        \"lightgrey\": [211, 211, 211],\n        \"lightpink\": [255, 182, 193],\n        \"lightsalmon\": [255, 160, 122],\n        \"lightseagreen\": [32, 178, 170],\n        \"lightskyblue\": [135, 206, 250],\n        \"lightslategray\": [119, 136, 153],\n        \"lightslategrey\": [119, 136, 153],\n        \"lightsteelblue\": [176, 196, 222],\n        \"lightyellow\": [255, 255, 224],\n        \"lime\": [0, 255, 0],\n        \"limegreen\": [50, 205, 50],\n        \"linen\": [250, 240, 230],\n        \"magenta\": [255, 0, 255],\n        \"maroon\": [128, 0, 0],\n        \"mediumaquamarine\": [102, 205, 170],\n        \"mediumblue\": [0, 0, 205],\n        \"mediumorchid\": [186, 85, 211],\n        \"mediumpurple\": [147, 112, 219],\n        \"mediumseagreen\": [60, 179, 113],\n        \"mediumslateblue\": [123, 104, 238],\n        \"mediumspringgreen\": [0, 250, 154],\n        \"mediumturquoise\": [72, 209, 204],\n        \"mediumvioletred\": [199, 21, 133],\n        \"midnightblue\": [25, 25, 112],\n        \"mintcream\": [245, 255, 250],\n        \"mistyrose\": [255, 228, 225],\n        \"moccasin\": [255, 228, 181],\n        \"navajowhite\": [255, 222, 173],\n        \"navy\": [0, 0, 128],\n        \"oldlace\": [253, 245, 230],\n        \"olive\": [128, 128, 0],\n        \"olivedrab\": [107, 142, 35],\n        \"orange\": [255, 165, 0],\n        \"orangered\": [255, 69, 0],\n        \"orchid\": [218, 112, 214],\n        \"palegoldenrod\": [238, 232, 170],\n        \"palegreen\": [152, 251, 152],\n        \"paleturquoise\": [175, 238, 238],\n        \"palevioletred\": [219, 112, 147],\n        \"papayawhip\": [255, 239, 213],\n        \"peachpuff\": [255, 218, 185],\n        \"peru\": [205, 133, 63],\n        \"pink\": [255, 192, 203],\n        \"plum\": [221, 160, 221],\n        \"powderblue\": [176, 224, 230],\n        \"purple\": [128, 0, 128],\n        \"rebeccapurple\": [102, 51, 153],\n        \"red\": [255, 0, 0],\n        \"rosybrown\": [188, 143, 143],\n        \"royalblue\": [65, 105, 225],\n        \"saddlebrown\": [139, 69, 19],\n        \"salmon\": [250, 128, 114],\n        \"sandybrown\": [244, 164, 96],\n        \"seagreen\": [46, 139, 87],\n        \"seashell\": [255, 245, 238],\n        \"sienna\": [160, 82, 45],\n        \"silver\": [192, 192, 192],\n        \"skyblue\": [135, 206, 235],\n        \"slateblue\": [106, 90, 205],\n        \"slategray\": [112, 128, 144],\n        \"slategrey\": [112, 128, 144],\n        \"snow\": [255, 250, 250],\n        \"springgreen\": [0, 255, 127],\n        \"steelblue\": [70, 130, 180],\n        \"tan\": [210, 180, 140],\n        \"teal\": [0, 128, 128],\n        \"thistle\": [216, 191, 216],\n        \"tomato\": [255, 99, 71],\n        \"turquoise\": [64, 224, 208],\n        \"violet\": [238, 130, 238],\n        \"wheat\": [245, 222, 179],\n        \"white\": [255, 255, 255],\n        \"whitesmoke\": [245, 245, 245],\n        \"yellow\": [255, 255, 0],\n        \"yellowgreen\": [154, 205, 50]\n    };\n\n},{}],6:[function(require,module,exports){\n//! moment.js\n//! version : 2.18.1\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n\n    ;(function (global, factory) {\n        typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n            typeof define === 'function' && define.amd ? define(factory) :\n                global.moment = factory()\n    }(this, (function () { 'use strict';\n\n        var hookCallback;\n\n        function hooks () {\n            return hookCallback.apply(null, arguments);\n        }\n\n// This is done to register the method called with moment()\n// without creating circular dependencies.\n        function setHookCallback (callback) {\n            hookCallback = callback;\n        }\n\n        function isArray(input) {\n            return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';\n        }\n\n        function isObject(input) {\n            // IE8 will treat undefined and null as object if it wasn't for\n            // input != null\n            return input != null && Object.prototype.toString.call(input) === '[object Object]';\n        }\n\n        function isObjectEmpty(obj) {\n            var k;\n            for (k in obj) {\n                // even if its not own property I'd still call it non-empty\n                return false;\n            }\n            return true;\n        }\n\n        function isUndefined(input) {\n            return input === void 0;\n        }\n\n        function isNumber(input) {\n            return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';\n        }\n\n        function isDate(input) {\n            return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';\n        }\n\n        function map(arr, fn) {\n            var res = [], i;\n            for (i = 0; i < arr.length; ++i) {\n                res.push(fn(arr[i], i));\n            }\n            return res;\n        }\n\n        function hasOwnProp(a, b) {\n            return Object.prototype.hasOwnProperty.call(a, b);\n        }\n\n        function extend(a, b) {\n            for (var i in b) {\n                if (hasOwnProp(b, i)) {\n                    a[i] = b[i];\n                }\n            }\n\n            if (hasOwnProp(b, 'toString')) {\n                a.toString = b.toString;\n            }\n\n            if (hasOwnProp(b, 'valueOf')) {\n                a.valueOf = b.valueOf;\n            }\n\n            return a;\n        }\n\n        function createUTC (input, format, locale, strict) {\n            return createLocalOrUTC(input, format, locale, strict, true).utc();\n        }\n\n        function defaultParsingFlags() {\n            // We need to deep clone this object.\n            return {\n                empty           : false,\n                unusedTokens    : [],\n                unusedInput     : [],\n                overflow        : -2,\n                charsLeftOver   : 0,\n                nullInput       : false,\n                invalidMonth    : null,\n                invalidFormat   : false,\n                userInvalidated : false,\n                iso             : false,\n                parsedDateParts : [],\n                meridiem        : null,\n                rfc2822         : false,\n                weekdayMismatch : false\n            };\n        }\n\n        function getParsingFlags(m) {\n            if (m._pf == null) {\n                m._pf = defaultParsingFlags();\n            }\n            return m._pf;\n        }\n\n        var some;\n        if (Array.prototype.some) {\n            some = Array.prototype.some;\n        } else {\n            some = function (fun) {\n                var t = Object(this);\n                var len = t.length >>> 0;\n\n                for (var i = 0; i < len; i++) {\n                    if (i in t && fun.call(this, t[i], i, t)) {\n                        return true;\n                    }\n                }\n\n                return false;\n            };\n        }\n\n        var some$1 = some;\n\n        function isValid(m) {\n            if (m._isValid == null) {\n                var flags = getParsingFlags(m);\n                var parsedParts = some$1.call(flags.parsedDateParts, function (i) {\n                    return i != null;\n                });\n                var isNowValid = !isNaN(m._d.getTime()) &&\n                    flags.overflow < 0 &&\n                    !flags.empty &&\n                    !flags.invalidMonth &&\n                    !flags.invalidWeekday &&\n                    !flags.nullInput &&\n                    !flags.invalidFormat &&\n                    !flags.userInvalidated &&\n                    (!flags.meridiem || (flags.meridiem && parsedParts));\n\n                if (m._strict) {\n                    isNowValid = isNowValid &&\n                        flags.charsLeftOver === 0 &&\n                        flags.unusedTokens.length === 0 &&\n                        flags.bigHour === undefined;\n                }\n\n                if (Object.isFrozen == null || !Object.isFrozen(m)) {\n                    m._isValid = isNowValid;\n                }\n                else {\n                    return isNowValid;\n                }\n            }\n            return m._isValid;\n        }\n\n        function createInvalid (flags) {\n            var m = createUTC(NaN);\n            if (flags != null) {\n                extend(getParsingFlags(m), flags);\n            }\n            else {\n                getParsingFlags(m).userInvalidated = true;\n            }\n\n            return m;\n        }\n\n// Plugins that add properties should also add the key here (null value),\n// so we can properly clone ourselves.\n        var momentProperties = hooks.momentProperties = [];\n\n        function copyConfig(to, from) {\n            var i, prop, val;\n\n            if (!isUndefined(from._isAMomentObject)) {\n                to._isAMomentObject = from._isAMomentObject;\n            }\n            if (!isUndefined(from._i)) {\n                to._i = from._i;\n            }\n            if (!isUndefined(from._f)) {\n                to._f = from._f;\n            }\n            if (!isUndefined(from._l)) {\n                to._l = from._l;\n            }\n            if (!isUndefined(from._strict)) {\n                to._strict = from._strict;\n            }\n            if (!isUndefined(from._tzm)) {\n                to._tzm = from._tzm;\n            }\n            if (!isUndefined(from._isUTC)) {\n                to._isUTC = from._isUTC;\n            }\n            if (!isUndefined(from._offset)) {\n                to._offset = from._offset;\n            }\n            if (!isUndefined(from._pf)) {\n                to._pf = getParsingFlags(from);\n            }\n            if (!isUndefined(from._locale)) {\n                to._locale = from._locale;\n            }\n\n            if (momentProperties.length > 0) {\n                for (i = 0; i < momentProperties.length; i++) {\n                    prop = momentProperties[i];\n                    val = from[prop];\n                    if (!isUndefined(val)) {\n                        to[prop] = val;\n                    }\n                }\n            }\n\n            return to;\n        }\n\n        var updateInProgress = false;\n\n// Moment prototype object\n        function Moment(config) {\n            copyConfig(this, config);\n            this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n            if (!this.isValid()) {\n                this._d = new Date(NaN);\n            }\n            // Prevent infinite loop in case updateOffset creates new moment\n            // objects.\n            if (updateInProgress === false) {\n                updateInProgress = true;\n                hooks.updateOffset(this);\n                updateInProgress = false;\n            }\n        }\n\n        function isMoment (obj) {\n            return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);\n        }\n\n        function absFloor (number) {\n            if (number < 0) {\n                // -0 -> 0\n                return Math.ceil(number) || 0;\n            } else {\n                return Math.floor(number);\n            }\n        }\n\n        function toInt(argumentForCoercion) {\n            var coercedNumber = +argumentForCoercion,\n                value = 0;\n\n            if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n                value = absFloor(coercedNumber);\n            }\n\n            return value;\n        }\n\n// compare two arrays, return the number of differences\n        function compareArrays(array1, array2, dontConvert) {\n            var len = Math.min(array1.length, array2.length),\n                lengthDiff = Math.abs(array1.length - array2.length),\n                diffs = 0,\n                i;\n            for (i = 0; i < len; i++) {\n                if ((dontConvert && array1[i] !== array2[i]) ||\n                    (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {\n                    diffs++;\n                }\n            }\n            return diffs + lengthDiff;\n        }\n\n        function warn(msg) {\n            if (hooks.suppressDeprecationWarnings === false &&\n                (typeof console !==  'undefined') && console.warn) {\n                console.warn('Deprecation warning: ' + msg);\n            }\n        }\n\n        function deprecate(msg, fn) {\n            var firstTime = true;\n\n            return extend(function () {\n                if (hooks.deprecationHandler != null) {\n                    hooks.deprecationHandler(null, msg);\n                }\n                if (firstTime) {\n                    var args = [];\n                    var arg;\n                    for (var i = 0; i < arguments.length; i++) {\n                        arg = '';\n                        if (typeof arguments[i] === 'object') {\n                            arg += '\\n[' + i + '] ';\n                            for (var key in arguments[0]) {\n                                arg += key + ': ' + arguments[0][key] + ', ';\n                            }\n                            arg = arg.slice(0, -2); // Remove trailing comma and space\n                        } else {\n                            arg = arguments[i];\n                        }\n                        args.push(arg);\n                    }\n                    warn(msg + '\\nArguments: ' + Array.prototype.slice.call(args).join('') + '\\n' + (new Error()).stack);\n                    firstTime = false;\n                }\n                return fn.apply(this, arguments);\n            }, fn);\n        }\n\n        var deprecations = {};\n\n        function deprecateSimple(name, msg) {\n            if (hooks.deprecationHandler != null) {\n                hooks.deprecationHandler(name, msg);\n            }\n            if (!deprecations[name]) {\n                warn(msg);\n                deprecations[name] = true;\n            }\n        }\n\n        hooks.suppressDeprecationWarnings = false;\n        hooks.deprecationHandler = null;\n\n        function isFunction(input) {\n            return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';\n        }\n\n        function set (config) {\n            var prop, i;\n            for (i in config) {\n                prop = config[i];\n                if (isFunction(prop)) {\n                    this[i] = prop;\n                } else {\n                    this['_' + i] = prop;\n                }\n            }\n            this._config = config;\n            // Lenient ordinal parsing accepts just a number in addition to\n            // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.\n            // TODO: Remove \"ordinalParse\" fallback in next major release.\n            this._dayOfMonthOrdinalParseLenient = new RegExp(\n                (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +\n                '|' + (/\\d{1,2}/).source);\n        }\n\n        function mergeConfigs(parentConfig, childConfig) {\n            var res = extend({}, parentConfig), prop;\n            for (prop in childConfig) {\n                if (hasOwnProp(childConfig, prop)) {\n                    if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {\n                        res[prop] = {};\n                        extend(res[prop], parentConfig[prop]);\n                        extend(res[prop], childConfig[prop]);\n                    } else if (childConfig[prop] != null) {\n                        res[prop] = childConfig[prop];\n                    } else {\n                        delete res[prop];\n                    }\n                }\n            }\n            for (prop in parentConfig) {\n                if (hasOwnProp(parentConfig, prop) &&\n                    !hasOwnProp(childConfig, prop) &&\n                    isObject(parentConfig[prop])) {\n                    // make sure changes to properties don't modify parent config\n                    res[prop] = extend({}, res[prop]);\n                }\n            }\n            return res;\n        }\n\n        function Locale(config) {\n            if (config != null) {\n                this.set(config);\n            }\n        }\n\n        var keys;\n\n        if (Object.keys) {\n            keys = Object.keys;\n        } else {\n            keys = function (obj) {\n                var i, res = [];\n                for (i in obj) {\n                    if (hasOwnProp(obj, i)) {\n                        res.push(i);\n                    }\n                }\n                return res;\n            };\n        }\n\n        var keys$1 = keys;\n\n        var defaultCalendar = {\n            sameDay : '[Today at] LT',\n            nextDay : '[Tomorrow at] LT',\n            nextWeek : 'dddd [at] LT',\n            lastDay : '[Yesterday at] LT',\n            lastWeek : '[Last] dddd [at] LT',\n            sameElse : 'L'\n        };\n\n        function calendar (key, mom, now) {\n            var output = this._calendar[key] || this._calendar['sameElse'];\n            return isFunction(output) ? output.call(mom, now) : output;\n        }\n\n        var defaultLongDateFormat = {\n            LTS  : 'h:mm:ss A',\n            LT   : 'h:mm A',\n            L    : 'MM/DD/YYYY',\n            LL   : 'MMMM D, YYYY',\n            LLL  : 'MMMM D, YYYY h:mm A',\n            LLLL : 'dddd, MMMM D, YYYY h:mm A'\n        };\n\n        function longDateFormat (key) {\n            var format = this._longDateFormat[key],\n                formatUpper = this._longDateFormat[key.toUpperCase()];\n\n            if (format || !formatUpper) {\n                return format;\n            }\n\n            this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {\n                return val.slice(1);\n            });\n\n            return this._longDateFormat[key];\n        }\n\n        var defaultInvalidDate = 'Invalid date';\n\n        function invalidDate () {\n            return this._invalidDate;\n        }\n\n        var defaultOrdinal = '%d';\n        var defaultDayOfMonthOrdinalParse = /\\d{1,2}/;\n\n        function ordinal (number) {\n            return this._ordinal.replace('%d', number);\n        }\n\n        var defaultRelativeTime = {\n            future : 'in %s',\n            past   : '%s ago',\n            s  : 'a few seconds',\n            ss : '%d seconds',\n            m  : 'a minute',\n            mm : '%d minutes',\n            h  : 'an hour',\n            hh : '%d hours',\n            d  : 'a day',\n            dd : '%d days',\n            M  : 'a month',\n            MM : '%d months',\n            y  : 'a year',\n            yy : '%d years'\n        };\n\n        function relativeTime (number, withoutSuffix, string, isFuture) {\n            var output = this._relativeTime[string];\n            return (isFunction(output)) ?\n                output(number, withoutSuffix, string, isFuture) :\n                output.replace(/%d/i, number);\n        }\n\n        function pastFuture (diff, output) {\n            var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n            return isFunction(format) ? format(output) : format.replace(/%s/i, output);\n        }\n\n        var aliases = {};\n\n        function addUnitAlias (unit, shorthand) {\n            var lowerCase = unit.toLowerCase();\n            aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n        }\n\n        function normalizeUnits(units) {\n            return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;\n        }\n\n        function normalizeObjectUnits(inputObject) {\n            var normalizedInput = {},\n                normalizedProp,\n                prop;\n\n            for (prop in inputObject) {\n                if (hasOwnProp(inputObject, prop)) {\n                    normalizedProp = normalizeUnits(prop);\n                    if (normalizedProp) {\n                        normalizedInput[normalizedProp] = inputObject[prop];\n                    }\n                }\n            }\n\n            return normalizedInput;\n        }\n\n        var priorities = {};\n\n        function addUnitPriority(unit, priority) {\n            priorities[unit] = priority;\n        }\n\n        function getPrioritizedUnits(unitsObj) {\n            var units = [];\n            for (var u in unitsObj) {\n                units.push({unit: u, priority: priorities[u]});\n            }\n            units.sort(function (a, b) {\n                return a.priority - b.priority;\n            });\n            return units;\n        }\n\n        function makeGetSet (unit, keepTime) {\n            return function (value) {\n                if (value != null) {\n                    set$1(this, unit, value);\n                    hooks.updateOffset(this, keepTime);\n                    return this;\n                } else {\n                    return get(this, unit);\n                }\n            };\n        }\n\n        function get (mom, unit) {\n            return mom.isValid() ?\n                mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;\n        }\n\n        function set$1 (mom, unit, value) {\n            if (mom.isValid()) {\n                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n            }\n        }\n\n// MOMENTS\n\n        function stringGet (units) {\n            units = normalizeUnits(units);\n            if (isFunction(this[units])) {\n                return this[units]();\n            }\n            return this;\n        }\n\n\n        function stringSet (units, value) {\n            if (typeof units === 'object') {\n                units = normalizeObjectUnits(units);\n                var prioritized = getPrioritizedUnits(units);\n                for (var i = 0; i < prioritized.length; i++) {\n                    this[prioritized[i].unit](units[prioritized[i].unit]);\n                }\n            } else {\n                units = normalizeUnits(units);\n                if (isFunction(this[units])) {\n                    return this[units](value);\n                }\n            }\n            return this;\n        }\n\n        function zeroFill(number, targetLength, forceSign) {\n            var absNumber = '' + Math.abs(number),\n                zerosToFill = targetLength - absNumber.length,\n                sign = number >= 0;\n            return (sign ? (forceSign ? '+' : '') : '-') +\n                Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;\n        }\n\n        var formattingTokens = /(\\[[^\\[]*\\])|(\\\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;\n\n        var localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g;\n\n        var formatFunctions = {};\n\n        var formatTokenFunctions = {};\n\n// token:    'M'\n// padded:   ['MM', 2]\n// ordinal:  'Mo'\n// callback: function () { this.month() + 1 }\n        function addFormatToken (token, padded, ordinal, callback) {\n            var func = callback;\n            if (typeof callback === 'string') {\n                func = function () {\n                    return this[callback]();\n                };\n            }\n            if (token) {\n                formatTokenFunctions[token] = func;\n            }\n            if (padded) {\n                formatTokenFunctions[padded[0]] = function () {\n                    return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n                };\n            }\n            if (ordinal) {\n                formatTokenFunctions[ordinal] = function () {\n                    return this.localeData().ordinal(func.apply(this, arguments), token);\n                };\n            }\n        }\n\n        function removeFormattingTokens(input) {\n            if (input.match(/\\[[\\s\\S]/)) {\n                return input.replace(/^\\[|\\]$/g, '');\n            }\n            return input.replace(/\\\\/g, '');\n        }\n\n        function makeFormatFunction(format) {\n            var array = format.match(formattingTokens), i, length;\n\n            for (i = 0, length = array.length; i < length; i++) {\n                if (formatTokenFunctions[array[i]]) {\n                    array[i] = formatTokenFunctions[array[i]];\n                } else {\n                    array[i] = removeFormattingTokens(array[i]);\n                }\n            }\n\n            return function (mom) {\n                var output = '', i;\n                for (i = 0; i < length; i++) {\n                    output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];\n                }\n                return output;\n            };\n        }\n\n// format date using native date object\n        function formatMoment(m, format) {\n            if (!m.isValid()) {\n                return m.localeData().invalidDate();\n            }\n\n            format = expandFormat(format, m.localeData());\n            formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);\n\n            return formatFunctions[format](m);\n        }\n\n        function expandFormat(format, locale) {\n            var i = 5;\n\n            function replaceLongDateFormatTokens(input) {\n                return locale.longDateFormat(input) || input;\n            }\n\n            localFormattingTokens.lastIndex = 0;\n            while (i >= 0 && localFormattingTokens.test(format)) {\n                format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);\n                localFormattingTokens.lastIndex = 0;\n                i -= 1;\n            }\n\n            return format;\n        }\n\n        var match1         = /\\d/;            //       0 - 9\n        var match2         = /\\d\\d/;          //      00 - 99\n        var match3         = /\\d{3}/;         //     000 - 999\n        var match4         = /\\d{4}/;         //    0000 - 9999\n        var match6         = /[+-]?\\d{6}/;    // -999999 - 999999\n        var match1to2      = /\\d\\d?/;         //       0 - 99\n        var match3to4      = /\\d\\d\\d\\d?/;     //     999 - 9999\n        var match5to6      = /\\d\\d\\d\\d\\d\\d?/; //   99999 - 999999\n        var match1to3      = /\\d{1,3}/;       //       0 - 999\n        var match1to4      = /\\d{1,4}/;       //       0 - 9999\n        var match1to6      = /[+-]?\\d{1,6}/;  // -999999 - 999999\n\n        var matchUnsigned  = /\\d+/;           //       0 - inf\n        var matchSigned    = /[+-]?\\d+/;      //    -inf - inf\n\n        var matchOffset    = /Z|[+-]\\d\\d:?\\d\\d/gi; // +00:00 -00:00 +0000 -0000 or Z\n        var matchShortOffset = /Z|[+-]\\d\\d(?::?\\d\\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z\n\n        var matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/; // 123456789 123456789.123\n\n// any word (or two) characters or numbers including two/three word month in arabic.\n// includes scottish gaelic two word and hyphenated months\n        var matchWord = /[0-9]*['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]+|[\\u0600-\\u06FF\\/]+(\\s*?[\\u0600-\\u06FF]+){1,2}/i;\n\n\n        var regexes = {};\n\n        function addRegexToken (token, regex, strictRegex) {\n            regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {\n                return (isStrict && strictRegex) ? strictRegex : regex;\n            };\n        }\n\n        function getParseRegexForToken (token, config) {\n            if (!hasOwnProp(regexes, token)) {\n                return new RegExp(unescapeFormat(token));\n            }\n\n            return regexes[token](config._strict, config._locale);\n        }\n\n// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\n        function unescapeFormat(s) {\n            return regexEscape(s.replace('\\\\', '').replace(/\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g, function (matched, p1, p2, p3, p4) {\n                return p1 || p2 || p3 || p4;\n            }));\n        }\n\n        function regexEscape(s) {\n            return s.replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n        }\n\n        var tokens = {};\n\n        function addParseToken (token, callback) {\n            var i, func = callback;\n            if (typeof token === 'string') {\n                token = [token];\n            }\n            if (isNumber(callback)) {\n                func = function (input, array) {\n                    array[callback] = toInt(input);\n                };\n            }\n            for (i = 0; i < token.length; i++) {\n                tokens[token[i]] = func;\n            }\n        }\n\n        function addWeekParseToken (token, callback) {\n            addParseToken(token, function (input, array, config, token) {\n                config._w = config._w || {};\n                callback(input, config._w, config, token);\n            });\n        }\n\n        function addTimeToArrayFromToken(token, input, config) {\n            if (input != null && hasOwnProp(tokens, token)) {\n                tokens[token](input, config._a, config, token);\n            }\n        }\n\n        var YEAR = 0;\n        var MONTH = 1;\n        var DATE = 2;\n        var HOUR = 3;\n        var MINUTE = 4;\n        var SECOND = 5;\n        var MILLISECOND = 6;\n        var WEEK = 7;\n        var WEEKDAY = 8;\n\n        var indexOf;\n\n        if (Array.prototype.indexOf) {\n            indexOf = Array.prototype.indexOf;\n        } else {\n            indexOf = function (o) {\n                // I know\n                var i;\n                for (i = 0; i < this.length; ++i) {\n                    if (this[i] === o) {\n                        return i;\n                    }\n                }\n                return -1;\n            };\n        }\n\n        var indexOf$1 = indexOf;\n\n        function daysInMonth(year, month) {\n            return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();\n        }\n\n// FORMATTING\n\n        addFormatToken('M', ['MM', 2], 'Mo', function () {\n            return this.month() + 1;\n        });\n\n        addFormatToken('MMM', 0, 0, function (format) {\n            return this.localeData().monthsShort(this, format);\n        });\n\n        addFormatToken('MMMM', 0, 0, function (format) {\n            return this.localeData().months(this, format);\n        });\n\n// ALIASES\n\n        addUnitAlias('month', 'M');\n\n// PRIORITY\n\n        addUnitPriority('month', 8);\n\n// PARSING\n\n        addRegexToken('M',    match1to2);\n        addRegexToken('MM',   match1to2, match2);\n        addRegexToken('MMM',  function (isStrict, locale) {\n            return locale.monthsShortRegex(isStrict);\n        });\n        addRegexToken('MMMM', function (isStrict, locale) {\n            return locale.monthsRegex(isStrict);\n        });\n\n        addParseToken(['M', 'MM'], function (input, array) {\n            array[MONTH] = toInt(input) - 1;\n        });\n\n        addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n            var month = config._locale.monthsParse(input, token, config._strict);\n            // if we didn't find a month name, mark the date as invalid.\n            if (month != null) {\n                array[MONTH] = month;\n            } else {\n                getParsingFlags(config).invalidMonth = input;\n            }\n        });\n\n// LOCALES\n\n        var MONTHS_IN_FORMAT = /D[oD]?(\\[[^\\[\\]]*\\]|\\s)+MMMM?/;\n        var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');\n        function localeMonths (m, format) {\n            if (!m) {\n                return isArray(this._months) ? this._months :\n                    this._months['standalone'];\n            }\n            return isArray(this._months) ? this._months[m.month()] :\n                this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];\n        }\n\n        var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');\n        function localeMonthsShort (m, format) {\n            if (!m) {\n                return isArray(this._monthsShort) ? this._monthsShort :\n                    this._monthsShort['standalone'];\n            }\n            return isArray(this._monthsShort) ? this._monthsShort[m.month()] :\n                this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];\n        }\n\n        function handleStrictParse(monthName, format, strict) {\n            var i, ii, mom, llc = monthName.toLocaleLowerCase();\n            if (!this._monthsParse) {\n                // this is not used\n                this._monthsParse = [];\n                this._longMonthsParse = [];\n                this._shortMonthsParse = [];\n                for (i = 0; i < 12; ++i) {\n                    mom = createUTC([2000, i]);\n                    this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();\n                    this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();\n                }\n            }\n\n            if (strict) {\n                if (format === 'MMM') {\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            } else {\n                if (format === 'MMM') {\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            }\n        }\n\n        function localeMonthsParse (monthName, format, strict) {\n            var i, mom, regex;\n\n            if (this._monthsParseExact) {\n                return handleStrictParse.call(this, monthName, format, strict);\n            }\n\n            if (!this._monthsParse) {\n                this._monthsParse = [];\n                this._longMonthsParse = [];\n                this._shortMonthsParse = [];\n            }\n\n            // TODO: add sorting\n            // Sorting makes sure if one month (or abbr) is a prefix of another\n            // see sorting in computeMonthsParse\n            for (i = 0; i < 12; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, i]);\n                if (strict && !this._longMonthsParse[i]) {\n                    this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');\n                    this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');\n                }\n                if (!strict && !this._monthsParse[i]) {\n                    regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n                    this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n                }\n                // test the regex\n                if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {\n                    return i;\n                } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {\n                    return i;\n                } else if (!strict && this._monthsParse[i].test(monthName)) {\n                    return i;\n                }\n            }\n        }\n\n// MOMENTS\n\n        function setMonth (mom, value) {\n            var dayOfMonth;\n\n            if (!mom.isValid()) {\n                // No op\n                return mom;\n            }\n\n            if (typeof value === 'string') {\n                if (/^\\d+$/.test(value)) {\n                    value = toInt(value);\n                } else {\n                    value = mom.localeData().monthsParse(value);\n                    // TODO: Another silent failure?\n                    if (!isNumber(value)) {\n                        return mom;\n                    }\n                }\n            }\n\n            dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n            mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n            return mom;\n        }\n\n        function getSetMonth (value) {\n            if (value != null) {\n                setMonth(this, value);\n                hooks.updateOffset(this, true);\n                return this;\n            } else {\n                return get(this, 'Month');\n            }\n        }\n\n        function getDaysInMonth () {\n            return daysInMonth(this.year(), this.month());\n        }\n\n        var defaultMonthsShortRegex = matchWord;\n        function monthsShortRegex (isStrict) {\n            if (this._monthsParseExact) {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    computeMonthsParse.call(this);\n                }\n                if (isStrict) {\n                    return this._monthsShortStrictRegex;\n                } else {\n                    return this._monthsShortRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_monthsShortRegex')) {\n                    this._monthsShortRegex = defaultMonthsShortRegex;\n                }\n                return this._monthsShortStrictRegex && isStrict ?\n                    this._monthsShortStrictRegex : this._monthsShortRegex;\n            }\n        }\n\n        var defaultMonthsRegex = matchWord;\n        function monthsRegex (isStrict) {\n            if (this._monthsParseExact) {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    computeMonthsParse.call(this);\n                }\n                if (isStrict) {\n                    return this._monthsStrictRegex;\n                } else {\n                    return this._monthsRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    this._monthsRegex = defaultMonthsRegex;\n                }\n                return this._monthsStrictRegex && isStrict ?\n                    this._monthsStrictRegex : this._monthsRegex;\n            }\n        }\n\n        function computeMonthsParse () {\n            function cmpLenRev(a, b) {\n                return b.length - a.length;\n            }\n\n            var shortPieces = [], longPieces = [], mixedPieces = [],\n                i, mom;\n            for (i = 0; i < 12; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, i]);\n                shortPieces.push(this.monthsShort(mom, ''));\n                longPieces.push(this.months(mom, ''));\n                mixedPieces.push(this.months(mom, ''));\n                mixedPieces.push(this.monthsShort(mom, ''));\n            }\n            // Sorting makes sure if one month (or abbr) is a prefix of another it\n            // will match the longer piece.\n            shortPieces.sort(cmpLenRev);\n            longPieces.sort(cmpLenRev);\n            mixedPieces.sort(cmpLenRev);\n            for (i = 0; i < 12; i++) {\n                shortPieces[i] = regexEscape(shortPieces[i]);\n                longPieces[i] = regexEscape(longPieces[i]);\n            }\n            for (i = 0; i < 24; i++) {\n                mixedPieces[i] = regexEscape(mixedPieces[i]);\n            }\n\n            this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n            this._monthsShortRegex = this._monthsRegex;\n            this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n            this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n        }\n\n// FORMATTING\n\n        addFormatToken('Y', 0, 0, function () {\n            var y = this.year();\n            return y <= 9999 ? '' + y : '+' + y;\n        });\n\n        addFormatToken(0, ['YY', 2], 0, function () {\n            return this.year() % 100;\n        });\n\n        addFormatToken(0, ['YYYY',   4],       0, 'year');\n        addFormatToken(0, ['YYYYY',  5],       0, 'year');\n        addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');\n\n// ALIASES\n\n        addUnitAlias('year', 'y');\n\n// PRIORITIES\n\n        addUnitPriority('year', 1);\n\n// PARSING\n\n        addRegexToken('Y',      matchSigned);\n        addRegexToken('YY',     match1to2, match2);\n        addRegexToken('YYYY',   match1to4, match4);\n        addRegexToken('YYYYY',  match1to6, match6);\n        addRegexToken('YYYYYY', match1to6, match6);\n\n        addParseToken(['YYYYY', 'YYYYYY'], YEAR);\n        addParseToken('YYYY', function (input, array) {\n            array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);\n        });\n        addParseToken('YY', function (input, array) {\n            array[YEAR] = hooks.parseTwoDigitYear(input);\n        });\n        addParseToken('Y', function (input, array) {\n            array[YEAR] = parseInt(input, 10);\n        });\n\n// HELPERS\n\n        function daysInYear(year) {\n            return isLeapYear(year) ? 366 : 365;\n        }\n\n        function isLeapYear(year) {\n            return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;\n        }\n\n// HOOKS\n\n        hooks.parseTwoDigitYear = function (input) {\n            return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n        };\n\n// MOMENTS\n\n        var getSetYear = makeGetSet('FullYear', true);\n\n        function getIsLeapYear () {\n            return isLeapYear(this.year());\n        }\n\n        function createDate (y, m, d, h, M, s, ms) {\n            // can't just apply() to create a date:\n            // https://stackoverflow.com/q/181348\n            var date = new Date(y, m, d, h, M, s, ms);\n\n            // the date constructor remaps years 0-99 to 1900-1999\n            if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {\n                date.setFullYear(y);\n            }\n            return date;\n        }\n\n        function createUTCDate (y) {\n            var date = new Date(Date.UTC.apply(null, arguments));\n\n            // the Date.UTC function remaps years 0-99 to 1900-1999\n            if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {\n                date.setUTCFullYear(y);\n            }\n            return date;\n        }\n\n// start-of-first-week - start-of-year\n        function firstWeekOffset(year, dow, doy) {\n            var // first-week day -- which january is always in the first week (4 for iso, 1 for other)\n                fwd = 7 + dow - doy,\n                // first-week day local weekday -- which local weekday is fwd\n                fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;\n\n            return -fwdlw + fwd - 1;\n        }\n\n// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\n        function dayOfYearFromWeeks(year, week, weekday, dow, doy) {\n            var localWeekday = (7 + weekday - dow) % 7,\n                weekOffset = firstWeekOffset(year, dow, doy),\n                dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,\n                resYear, resDayOfYear;\n\n            if (dayOfYear <= 0) {\n                resYear = year - 1;\n                resDayOfYear = daysInYear(resYear) + dayOfYear;\n            } else if (dayOfYear > daysInYear(year)) {\n                resYear = year + 1;\n                resDayOfYear = dayOfYear - daysInYear(year);\n            } else {\n                resYear = year;\n                resDayOfYear = dayOfYear;\n            }\n\n            return {\n                year: resYear,\n                dayOfYear: resDayOfYear\n            };\n        }\n\n        function weekOfYear(mom, dow, doy) {\n            var weekOffset = firstWeekOffset(mom.year(), dow, doy),\n                week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,\n                resWeek, resYear;\n\n            if (week < 1) {\n                resYear = mom.year() - 1;\n                resWeek = week + weeksInYear(resYear, dow, doy);\n            } else if (week > weeksInYear(mom.year(), dow, doy)) {\n                resWeek = week - weeksInYear(mom.year(), dow, doy);\n                resYear = mom.year() + 1;\n            } else {\n                resYear = mom.year();\n                resWeek = week;\n            }\n\n            return {\n                week: resWeek,\n                year: resYear\n            };\n        }\n\n        function weeksInYear(year, dow, doy) {\n            var weekOffset = firstWeekOffset(year, dow, doy),\n                weekOffsetNext = firstWeekOffset(year + 1, dow, doy);\n            return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;\n        }\n\n// FORMATTING\n\n        addFormatToken('w', ['ww', 2], 'wo', 'week');\n        addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');\n\n// ALIASES\n\n        addUnitAlias('week', 'w');\n        addUnitAlias('isoWeek', 'W');\n\n// PRIORITIES\n\n        addUnitPriority('week', 5);\n        addUnitPriority('isoWeek', 5);\n\n// PARSING\n\n        addRegexToken('w',  match1to2);\n        addRegexToken('ww', match1to2, match2);\n        addRegexToken('W',  match1to2);\n        addRegexToken('WW', match1to2, match2);\n\n        addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {\n            week[token.substr(0, 1)] = toInt(input);\n        });\n\n// HELPERS\n\n// LOCALES\n\n        function localeWeek (mom) {\n            return weekOfYear(mom, this._week.dow, this._week.doy).week;\n        }\n\n        var defaultLocaleWeek = {\n            dow : 0, // Sunday is the first day of the week.\n            doy : 6  // The week that contains Jan 1st is the first week of the year.\n        };\n\n        function localeFirstDayOfWeek () {\n            return this._week.dow;\n        }\n\n        function localeFirstDayOfYear () {\n            return this._week.doy;\n        }\n\n// MOMENTS\n\n        function getSetWeek (input) {\n            var week = this.localeData().week(this);\n            return input == null ? week : this.add((input - week) * 7, 'd');\n        }\n\n        function getSetISOWeek (input) {\n            var week = weekOfYear(this, 1, 4).week;\n            return input == null ? week : this.add((input - week) * 7, 'd');\n        }\n\n// FORMATTING\n\n        addFormatToken('d', 0, 'do', 'day');\n\n        addFormatToken('dd', 0, 0, function (format) {\n            return this.localeData().weekdaysMin(this, format);\n        });\n\n        addFormatToken('ddd', 0, 0, function (format) {\n            return this.localeData().weekdaysShort(this, format);\n        });\n\n        addFormatToken('dddd', 0, 0, function (format) {\n            return this.localeData().weekdays(this, format);\n        });\n\n        addFormatToken('e', 0, 0, 'weekday');\n        addFormatToken('E', 0, 0, 'isoWeekday');\n\n// ALIASES\n\n        addUnitAlias('day', 'd');\n        addUnitAlias('weekday', 'e');\n        addUnitAlias('isoWeekday', 'E');\n\n// PRIORITY\n        addUnitPriority('day', 11);\n        addUnitPriority('weekday', 11);\n        addUnitPriority('isoWeekday', 11);\n\n// PARSING\n\n        addRegexToken('d',    match1to2);\n        addRegexToken('e',    match1to2);\n        addRegexToken('E',    match1to2);\n        addRegexToken('dd',   function (isStrict, locale) {\n            return locale.weekdaysMinRegex(isStrict);\n        });\n        addRegexToken('ddd',   function (isStrict, locale) {\n            return locale.weekdaysShortRegex(isStrict);\n        });\n        addRegexToken('dddd',   function (isStrict, locale) {\n            return locale.weekdaysRegex(isStrict);\n        });\n\n        addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {\n            var weekday = config._locale.weekdaysParse(input, token, config._strict);\n            // if we didn't get a weekday name, mark the date as invalid\n            if (weekday != null) {\n                week.d = weekday;\n            } else {\n                getParsingFlags(config).invalidWeekday = input;\n            }\n        });\n\n        addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n            week[token] = toInt(input);\n        });\n\n// HELPERS\n\n        function parseWeekday(input, locale) {\n            if (typeof input !== 'string') {\n                return input;\n            }\n\n            if (!isNaN(input)) {\n                return parseInt(input, 10);\n            }\n\n            input = locale.weekdaysParse(input);\n            if (typeof input === 'number') {\n                return input;\n            }\n\n            return null;\n        }\n\n        function parseIsoWeekday(input, locale) {\n            if (typeof input === 'string') {\n                return locale.weekdaysParse(input) % 7 || 7;\n            }\n            return isNaN(input) ? null : input;\n        }\n\n// LOCALES\n\n        var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');\n        function localeWeekdays (m, format) {\n            if (!m) {\n                return isArray(this._weekdays) ? this._weekdays :\n                    this._weekdays['standalone'];\n            }\n            return isArray(this._weekdays) ? this._weekdays[m.day()] :\n                this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];\n        }\n\n        var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');\n        function localeWeekdaysShort (m) {\n            return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;\n        }\n\n        var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');\n        function localeWeekdaysMin (m) {\n            return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;\n        }\n\n        function handleStrictParse$1(weekdayName, format, strict) {\n            var i, ii, mom, llc = weekdayName.toLocaleLowerCase();\n            if (!this._weekdaysParse) {\n                this._weekdaysParse = [];\n                this._shortWeekdaysParse = [];\n                this._minWeekdaysParse = [];\n\n                for (i = 0; i < 7; ++i) {\n                    mom = createUTC([2000, 1]).day(i);\n                    this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();\n                    this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();\n                    this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();\n                }\n            }\n\n            if (strict) {\n                if (format === 'dddd') {\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else if (format === 'ddd') {\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            } else {\n                if (format === 'dddd') {\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else if (format === 'ddd') {\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            }\n        }\n\n        function localeWeekdaysParse (weekdayName, format, strict) {\n            var i, mom, regex;\n\n            if (this._weekdaysParseExact) {\n                return handleStrictParse$1.call(this, weekdayName, format, strict);\n            }\n\n            if (!this._weekdaysParse) {\n                this._weekdaysParse = [];\n                this._minWeekdaysParse = [];\n                this._shortWeekdaysParse = [];\n                this._fullWeekdaysParse = [];\n            }\n\n            for (i = 0; i < 7; i++) {\n                // make the regex if we don't have it already\n\n                mom = createUTC([2000, 1]).day(i);\n                if (strict && !this._fullWeekdaysParse[i]) {\n                    this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i');\n                    this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i');\n                    this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i');\n                }\n                if (!this._weekdaysParse[i]) {\n                    regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');\n                    this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n                }\n                // test the regex\n                if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {\n                    return i;\n                }\n            }\n        }\n\n// MOMENTS\n\n        function getSetDayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n            if (input != null) {\n                input = parseWeekday(input, this.localeData());\n                return this.add(input - day, 'd');\n            } else {\n                return day;\n            }\n        }\n\n        function getSetLocaleDayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n            return input == null ? weekday : this.add(input - weekday, 'd');\n        }\n\n        function getSetISODayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n\n            // behaves the same as moment#day except\n            // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n            // as a setter, sunday should belong to the previous week.\n\n            if (input != null) {\n                var weekday = parseIsoWeekday(input, this.localeData());\n                return this.day(this.day() % 7 ? weekday : weekday - 7);\n            } else {\n                return this.day() || 7;\n            }\n        }\n\n        var defaultWeekdaysRegex = matchWord;\n        function weekdaysRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysStrictRegex;\n                } else {\n                    return this._weekdaysRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    this._weekdaysRegex = defaultWeekdaysRegex;\n                }\n                return this._weekdaysStrictRegex && isStrict ?\n                    this._weekdaysStrictRegex : this._weekdaysRegex;\n            }\n        }\n\n        var defaultWeekdaysShortRegex = matchWord;\n        function weekdaysShortRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysShortStrictRegex;\n                } else {\n                    return this._weekdaysShortRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysShortRegex')) {\n                    this._weekdaysShortRegex = defaultWeekdaysShortRegex;\n                }\n                return this._weekdaysShortStrictRegex && isStrict ?\n                    this._weekdaysShortStrictRegex : this._weekdaysShortRegex;\n            }\n        }\n\n        var defaultWeekdaysMinRegex = matchWord;\n        function weekdaysMinRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysMinStrictRegex;\n                } else {\n                    return this._weekdaysMinRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysMinRegex')) {\n                    this._weekdaysMinRegex = defaultWeekdaysMinRegex;\n                }\n                return this._weekdaysMinStrictRegex && isStrict ?\n                    this._weekdaysMinStrictRegex : this._weekdaysMinRegex;\n            }\n        }\n\n\n        function computeWeekdaysParse () {\n            function cmpLenRev(a, b) {\n                return b.length - a.length;\n            }\n\n            var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],\n                i, mom, minp, shortp, longp;\n            for (i = 0; i < 7; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, 1]).day(i);\n                minp = this.weekdaysMin(mom, '');\n                shortp = this.weekdaysShort(mom, '');\n                longp = this.weekdays(mom, '');\n                minPieces.push(minp);\n                shortPieces.push(shortp);\n                longPieces.push(longp);\n                mixedPieces.push(minp);\n                mixedPieces.push(shortp);\n                mixedPieces.push(longp);\n            }\n            // Sorting makes sure if one weekday (or abbr) is a prefix of another it\n            // will match the longer piece.\n            minPieces.sort(cmpLenRev);\n            shortPieces.sort(cmpLenRev);\n            longPieces.sort(cmpLenRev);\n            mixedPieces.sort(cmpLenRev);\n            for (i = 0; i < 7; i++) {\n                shortPieces[i] = regexEscape(shortPieces[i]);\n                longPieces[i] = regexEscape(longPieces[i]);\n                mixedPieces[i] = regexEscape(mixedPieces[i]);\n            }\n\n            this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n            this._weekdaysShortRegex = this._weekdaysRegex;\n            this._weekdaysMinRegex = this._weekdaysRegex;\n\n            this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n            this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n            this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');\n        }\n\n// FORMATTING\n\n        function hFormat() {\n            return this.hours() % 12 || 12;\n        }\n\n        function kFormat() {\n            return this.hours() || 24;\n        }\n\n        addFormatToken('H', ['HH', 2], 0, 'hour');\n        addFormatToken('h', ['hh', 2], 0, hFormat);\n        addFormatToken('k', ['kk', 2], 0, kFormat);\n\n        addFormatToken('hmm', 0, 0, function () {\n            return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);\n        });\n\n        addFormatToken('hmmss', 0, 0, function () {\n            return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +\n                zeroFill(this.seconds(), 2);\n        });\n\n        addFormatToken('Hmm', 0, 0, function () {\n            return '' + this.hours() + zeroFill(this.minutes(), 2);\n        });\n\n        addFormatToken('Hmmss', 0, 0, function () {\n            return '' + this.hours() + zeroFill(this.minutes(), 2) +\n                zeroFill(this.seconds(), 2);\n        });\n\n        function meridiem (token, lowercase) {\n            addFormatToken(token, 0, 0, function () {\n                return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);\n            });\n        }\n\n        meridiem('a', true);\n        meridiem('A', false);\n\n// ALIASES\n\n        addUnitAlias('hour', 'h');\n\n// PRIORITY\n        addUnitPriority('hour', 13);\n\n// PARSING\n\n        function matchMeridiem (isStrict, locale) {\n            return locale._meridiemParse;\n        }\n\n        addRegexToken('a',  matchMeridiem);\n        addRegexToken('A',  matchMeridiem);\n        addRegexToken('H',  match1to2);\n        addRegexToken('h',  match1to2);\n        addRegexToken('k',  match1to2);\n        addRegexToken('HH', match1to2, match2);\n        addRegexToken('hh', match1to2, match2);\n        addRegexToken('kk', match1to2, match2);\n\n        addRegexToken('hmm', match3to4);\n        addRegexToken('hmmss', match5to6);\n        addRegexToken('Hmm', match3to4);\n        addRegexToken('Hmmss', match5to6);\n\n        addParseToken(['H', 'HH'], HOUR);\n        addParseToken(['k', 'kk'], function (input, array, config) {\n            var kInput = toInt(input);\n            array[HOUR] = kInput === 24 ? 0 : kInput;\n        });\n        addParseToken(['a', 'A'], function (input, array, config) {\n            config._isPm = config._locale.isPM(input);\n            config._meridiem = input;\n        });\n        addParseToken(['h', 'hh'], function (input, array, config) {\n            array[HOUR] = toInt(input);\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('hmm', function (input, array, config) {\n            var pos = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos));\n            array[MINUTE] = toInt(input.substr(pos));\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('hmmss', function (input, array, config) {\n            var pos1 = input.length - 4;\n            var pos2 = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos1));\n            array[MINUTE] = toInt(input.substr(pos1, 2));\n            array[SECOND] = toInt(input.substr(pos2));\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('Hmm', function (input, array, config) {\n            var pos = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos));\n            array[MINUTE] = toInt(input.substr(pos));\n        });\n        addParseToken('Hmmss', function (input, array, config) {\n            var pos1 = input.length - 4;\n            var pos2 = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos1));\n            array[MINUTE] = toInt(input.substr(pos1, 2));\n            array[SECOND] = toInt(input.substr(pos2));\n        });\n\n// LOCALES\n\n        function localeIsPM (input) {\n            // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n            // Using charAt should be more compatible.\n            return ((input + '').toLowerCase().charAt(0) === 'p');\n        }\n\n        var defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i;\n        function localeMeridiem (hours, minutes, isLower) {\n            if (hours > 11) {\n                return isLower ? 'pm' : 'PM';\n            } else {\n                return isLower ? 'am' : 'AM';\n            }\n        }\n\n\n// MOMENTS\n\n// Setting the hour should keep the time, because the user explicitly\n// specified which hour he wants. So trying to maintain the same hour (in\n// a new timezone) makes sense. Adding/subtracting hours does not follow\n// this rule.\n        var getSetHour = makeGetSet('Hours', true);\n\n// months\n// week\n// weekdays\n// meridiem\n        var baseConfig = {\n            calendar: defaultCalendar,\n            longDateFormat: defaultLongDateFormat,\n            invalidDate: defaultInvalidDate,\n            ordinal: defaultOrdinal,\n            dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,\n            relativeTime: defaultRelativeTime,\n\n            months: defaultLocaleMonths,\n            monthsShort: defaultLocaleMonthsShort,\n\n            week: defaultLocaleWeek,\n\n            weekdays: defaultLocaleWeekdays,\n            weekdaysMin: defaultLocaleWeekdaysMin,\n            weekdaysShort: defaultLocaleWeekdaysShort,\n\n            meridiemParse: defaultLocaleMeridiemParse\n        };\n\n// internal storage for locale config files\n        var locales = {};\n        var localeFamilies = {};\n        var globalLocale;\n\n        function normalizeLocale(key) {\n            return key ? key.toLowerCase().replace('_', '-') : key;\n        }\n\n// pick the locale from the array\n// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\n        function chooseLocale(names) {\n            var i = 0, j, next, locale, split;\n\n            while (i < names.length) {\n                split = normalizeLocale(names[i]).split('-');\n                j = split.length;\n                next = normalizeLocale(names[i + 1]);\n                next = next ? next.split('-') : null;\n                while (j > 0) {\n                    locale = loadLocale(split.slice(0, j).join('-'));\n                    if (locale) {\n                        return locale;\n                    }\n                    if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {\n                        //the next array item is better than a shallower substring of this one\n                        break;\n                    }\n                    j--;\n                }\n                i++;\n            }\n            return null;\n        }\n\n        function loadLocale(name) {\n            var oldLocale = null;\n            // TODO: Find a better way to register and load all the locales in Node\n            if (!locales[name] && (typeof module !== 'undefined') &&\n                module && module.exports) {\n                try {\n                    oldLocale = globalLocale._abbr;\n                    require('./locale/' + name);\n                    // because defineLocale currently also sets the global locale, we\n                    // want to undo that for lazy loaded locales\n                    getSetGlobalLocale(oldLocale);\n                } catch (e) { }\n            }\n            return locales[name];\n        }\n\n// This function will load locale and then set the global locale.  If\n// no arguments are passed in, it will simply return the current global\n// locale key.\n        function getSetGlobalLocale (key, values) {\n            var data;\n            if (key) {\n                if (isUndefined(values)) {\n                    data = getLocale(key);\n                }\n                else {\n                    data = defineLocale(key, values);\n                }\n\n                if (data) {\n                    // moment.duration._locale = moment._locale = data;\n                    globalLocale = data;\n                }\n            }\n\n            return globalLocale._abbr;\n        }\n\n        function defineLocale (name, config) {\n            if (config !== null) {\n                var parentConfig = baseConfig;\n                config.abbr = name;\n                if (locales[name] != null) {\n                    deprecateSimple('defineLocaleOverride',\n                        'use moment.updateLocale(localeName, config) to change ' +\n                        'an existing locale. moment.defineLocale(localeName, ' +\n                        'config) should only be used for creating a new locale ' +\n                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');\n                    parentConfig = locales[name]._config;\n                } else if (config.parentLocale != null) {\n                    if (locales[config.parentLocale] != null) {\n                        parentConfig = locales[config.parentLocale]._config;\n                    } else {\n                        if (!localeFamilies[config.parentLocale]) {\n                            localeFamilies[config.parentLocale] = [];\n                        }\n                        localeFamilies[config.parentLocale].push({\n                            name: name,\n                            config: config\n                        });\n                        return null;\n                    }\n                }\n                locales[name] = new Locale(mergeConfigs(parentConfig, config));\n\n                if (localeFamilies[name]) {\n                    localeFamilies[name].forEach(function (x) {\n                        defineLocale(x.name, x.config);\n                    });\n                }\n\n                // backwards compat for now: also set the locale\n                // make sure we set the locale AFTER all child locales have been\n                // created, so we won't end up with the child locale set.\n                getSetGlobalLocale(name);\n\n\n                return locales[name];\n            } else {\n                // useful for testing\n                delete locales[name];\n                return null;\n            }\n        }\n\n        function updateLocale(name, config) {\n            if (config != null) {\n                var locale, parentConfig = baseConfig;\n                // MERGE\n                if (locales[name] != null) {\n                    parentConfig = locales[name]._config;\n                }\n                config = mergeConfigs(parentConfig, config);\n                locale = new Locale(config);\n                locale.parentLocale = locales[name];\n                locales[name] = locale;\n\n                // backwards compat for now: also set the locale\n                getSetGlobalLocale(name);\n            } else {\n                // pass null for config to unupdate, useful for tests\n                if (locales[name] != null) {\n                    if (locales[name].parentLocale != null) {\n                        locales[name] = locales[name].parentLocale;\n                    } else if (locales[name] != null) {\n                        delete locales[name];\n                    }\n                }\n            }\n            return locales[name];\n        }\n\n// returns locale data\n        function getLocale (key) {\n            var locale;\n\n            if (key && key._locale && key._locale._abbr) {\n                key = key._locale._abbr;\n            }\n\n            if (!key) {\n                return globalLocale;\n            }\n\n            if (!isArray(key)) {\n                //short-circuit everything else\n                locale = loadLocale(key);\n                if (locale) {\n                    return locale;\n                }\n                key = [key];\n            }\n\n            return chooseLocale(key);\n        }\n\n        function listLocales() {\n            return keys$1(locales);\n        }\n\n        function checkOverflow (m) {\n            var overflow;\n            var a = m._a;\n\n            if (a && getParsingFlags(m).overflow === -2) {\n                overflow =\n                    a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :\n                        a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :\n                            a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :\n                                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :\n                                    a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :\n                                        a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :\n                                            -1;\n\n                if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {\n                    overflow = DATE;\n                }\n                if (getParsingFlags(m)._overflowWeeks && overflow === -1) {\n                    overflow = WEEK;\n                }\n                if (getParsingFlags(m)._overflowWeekday && overflow === -1) {\n                    overflow = WEEKDAY;\n                }\n\n                getParsingFlags(m).overflow = overflow;\n            }\n\n            return m;\n        }\n\n// iso 8601 regex\n// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)\n        var extendedIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})-(?:\\d\\d-\\d\\d|W\\d\\d-\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?::\\d\\d(?::\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n        var basicIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})(?:\\d\\d\\d\\d|W\\d\\d\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?:\\d\\d(?:\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n\n        var tzRegex = /Z|[+-]\\d\\d(?::?\\d\\d)?/;\n\n        var isoDates = [\n            ['YYYYYY-MM-DD', /[+-]\\d{6}-\\d\\d-\\d\\d/],\n            ['YYYY-MM-DD', /\\d{4}-\\d\\d-\\d\\d/],\n            ['GGGG-[W]WW-E', /\\d{4}-W\\d\\d-\\d/],\n            ['GGGG-[W]WW', /\\d{4}-W\\d\\d/, false],\n            ['YYYY-DDD', /\\d{4}-\\d{3}/],\n            ['YYYY-MM', /\\d{4}-\\d\\d/, false],\n            ['YYYYYYMMDD', /[+-]\\d{10}/],\n            ['YYYYMMDD', /\\d{8}/],\n            // YYYYMM is NOT allowed by the standard\n            ['GGGG[W]WWE', /\\d{4}W\\d{3}/],\n            ['GGGG[W]WW', /\\d{4}W\\d{2}/, false],\n            ['YYYYDDD', /\\d{7}/]\n        ];\n\n// iso time formats and regexes\n        var isoTimes = [\n            ['HH:mm:ss.SSSS', /\\d\\d:\\d\\d:\\d\\d\\.\\d+/],\n            ['HH:mm:ss,SSSS', /\\d\\d:\\d\\d:\\d\\d,\\d+/],\n            ['HH:mm:ss', /\\d\\d:\\d\\d:\\d\\d/],\n            ['HH:mm', /\\d\\d:\\d\\d/],\n            ['HHmmss.SSSS', /\\d\\d\\d\\d\\d\\d\\.\\d+/],\n            ['HHmmss,SSSS', /\\d\\d\\d\\d\\d\\d,\\d+/],\n            ['HHmmss', /\\d\\d\\d\\d\\d\\d/],\n            ['HHmm', /\\d\\d\\d\\d/],\n            ['HH', /\\d\\d/]\n        ];\n\n        var aspNetJsonRegex = /^\\/?Date\\((\\-?\\d+)/i;\n\n// date from iso format\n        function configFromISO(config) {\n            var i, l,\n                string = config._i,\n                match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),\n                allowTime, dateFormat, timeFormat, tzFormat;\n\n            if (match) {\n                getParsingFlags(config).iso = true;\n\n                for (i = 0, l = isoDates.length; i < l; i++) {\n                    if (isoDates[i][1].exec(match[1])) {\n                        dateFormat = isoDates[i][0];\n                        allowTime = isoDates[i][2] !== false;\n                        break;\n                    }\n                }\n                if (dateFormat == null) {\n                    config._isValid = false;\n                    return;\n                }\n                if (match[3]) {\n                    for (i = 0, l = isoTimes.length; i < l; i++) {\n                        if (isoTimes[i][1].exec(match[3])) {\n                            // match[2] should be 'T' or space\n                            timeFormat = (match[2] || ' ') + isoTimes[i][0];\n                            break;\n                        }\n                    }\n                    if (timeFormat == null) {\n                        config._isValid = false;\n                        return;\n                    }\n                }\n                if (!allowTime && timeFormat != null) {\n                    config._isValid = false;\n                    return;\n                }\n                if (match[4]) {\n                    if (tzRegex.exec(match[4])) {\n                        tzFormat = 'Z';\n                    } else {\n                        config._isValid = false;\n                        return;\n                    }\n                }\n                config._f = dateFormat + (timeFormat || '') + (tzFormat || '');\n                configFromStringAndFormat(config);\n            } else {\n                config._isValid = false;\n            }\n        }\n\n// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3\n        var basicRfcRegex = /^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\\s)?(\\d?\\d\\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(?:\\d\\d)?\\d\\d\\s)(\\d\\d:\\d\\d)(\\:\\d\\d)?(\\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\\d{4}))$/;\n\n// date and time from ref 2822 format\n        function configFromRFC2822(config) {\n            var string, match, dayFormat,\n                dateFormat, timeFormat, tzFormat;\n            var timezones = {\n                ' GMT': ' +0000',\n                ' EDT': ' -0400',\n                ' EST': ' -0500',\n                ' CDT': ' -0500',\n                ' CST': ' -0600',\n                ' MDT': ' -0600',\n                ' MST': ' -0700',\n                ' PDT': ' -0700',\n                ' PST': ' -0800'\n            };\n            var military = 'YXWVUTSRQPONZABCDEFGHIKLM';\n            var timezone, timezoneIndex;\n\n            string = config._i\n                .replace(/\\([^\\)]*\\)|[\\n\\t]/g, ' ') // Remove comments and folding whitespace\n                .replace(/(\\s\\s+)/g, ' ') // Replace multiple-spaces with a single space\n                .replace(/^\\s|\\s$/g, ''); // Remove leading and trailing spaces\n            match = basicRfcRegex.exec(string);\n\n            if (match) {\n                dayFormat = match[1] ? 'ddd' + ((match[1].length === 5) ? ', ' : ' ') : '';\n                dateFormat = 'D MMM ' + ((match[2].length > 10) ? 'YYYY ' : 'YY ');\n                timeFormat = 'HH:mm' + (match[4] ? ':ss' : '');\n\n                // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.\n                if (match[1]) { // day of week given\n                    var momentDate = new Date(match[2]);\n                    var momentDay = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'][momentDate.getDay()];\n\n                    if (match[1].substr(0,3) !== momentDay) {\n                        getParsingFlags(config).weekdayMismatch = true;\n                        config._isValid = false;\n                        return;\n                    }\n                }\n\n                switch (match[5].length) {\n                    case 2: // military\n                        if (timezoneIndex === 0) {\n                            timezone = ' +0000';\n                        } else {\n                            timezoneIndex = military.indexOf(match[5][1].toUpperCase()) - 12;\n                            timezone = ((timezoneIndex < 0) ? ' -' : ' +') +\n                                (('' + timezoneIndex).replace(/^-?/, '0')).match(/..$/)[0] + '00';\n                        }\n                        break;\n                    case 4: // Zone\n                        timezone = timezones[match[5]];\n                        break;\n                    default: // UT or +/-9999\n                        timezone = timezones[' GMT'];\n                }\n                match[5] = timezone;\n                config._i = match.splice(1).join('');\n                tzFormat = ' ZZ';\n                config._f = dayFormat + dateFormat + timeFormat + tzFormat;\n                configFromStringAndFormat(config);\n                getParsingFlags(config).rfc2822 = true;\n            } else {\n                config._isValid = false;\n            }\n        }\n\n// date from iso format or fallback\n        function configFromString(config) {\n            var matched = aspNetJsonRegex.exec(config._i);\n\n            if (matched !== null) {\n                config._d = new Date(+matched[1]);\n                return;\n            }\n\n            configFromISO(config);\n            if (config._isValid === false) {\n                delete config._isValid;\n            } else {\n                return;\n            }\n\n            configFromRFC2822(config);\n            if (config._isValid === false) {\n                delete config._isValid;\n            } else {\n                return;\n            }\n\n            // Final attempt, use Input Fallback\n            hooks.createFromInputFallback(config);\n        }\n\n        hooks.createFromInputFallback = deprecate(\n            'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +\n            'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +\n            'discouraged and will be removed in an upcoming major release. Please refer to ' +\n            'http://momentjs.com/guides/#/warnings/js-date/ for more info.',\n            function (config) {\n                config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n            }\n        );\n\n// Pick the first defined of two or three arguments.\n        function defaults(a, b, c) {\n            if (a != null) {\n                return a;\n            }\n            if (b != null) {\n                return b;\n            }\n            return c;\n        }\n\n        function currentDateArray(config) {\n            // hooks is actually the exported moment object\n            var nowValue = new Date(hooks.now());\n            if (config._useUTC) {\n                return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];\n            }\n            return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];\n        }\n\n// convert an array to a date.\n// the array should mirror the parameters below\n// note: all values past the year are optional and will default to the lowest possible value.\n// [year, month, day , hour, minute, second, millisecond]\n        function configFromArray (config) {\n            var i, date, input = [], currentDate, yearToUse;\n\n            if (config._d) {\n                return;\n            }\n\n            currentDate = currentDateArray(config);\n\n            //compute day of the year from weeks and weekdays\n            if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n                dayOfYearFromWeekInfo(config);\n            }\n\n            //if the day of the year is set, figure out what it is\n            if (config._dayOfYear != null) {\n                yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n                if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {\n                    getParsingFlags(config)._overflowDayOfYear = true;\n                }\n\n                date = createUTCDate(yearToUse, 0, config._dayOfYear);\n                config._a[MONTH] = date.getUTCMonth();\n                config._a[DATE] = date.getUTCDate();\n            }\n\n            // Default to current date.\n            // * if no year, month, day of month are given, default to today\n            // * if day of month is given, default month and year\n            // * if month is given, default only year\n            // * if year is given, don't default anything\n            for (i = 0; i < 3 && config._a[i] == null; ++i) {\n                config._a[i] = input[i] = currentDate[i];\n            }\n\n            // Zero out whatever was not defaulted, including time\n            for (; i < 7; i++) {\n                config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];\n            }\n\n            // Check for 24:00:00.000\n            if (config._a[HOUR] === 24 &&\n                config._a[MINUTE] === 0 &&\n                config._a[SECOND] === 0 &&\n                config._a[MILLISECOND] === 0) {\n                config._nextDay = true;\n                config._a[HOUR] = 0;\n            }\n\n            config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);\n            // Apply timezone offset from input. The actual utcOffset can be changed\n            // with parseZone.\n            if (config._tzm != null) {\n                config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n            }\n\n            if (config._nextDay) {\n                config._a[HOUR] = 24;\n            }\n        }\n\n        function dayOfYearFromWeekInfo(config) {\n            var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;\n\n            w = config._w;\n            if (w.GG != null || w.W != null || w.E != null) {\n                dow = 1;\n                doy = 4;\n\n                // TODO: We need to take the current isoWeekYear, but that depends on\n                // how we interpret now (local, utc, fixed offset). So create\n                // a now version of current config (take local/utc/offset flags, and\n                // create now).\n                weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);\n                week = defaults(w.W, 1);\n                weekday = defaults(w.E, 1);\n                if (weekday < 1 || weekday > 7) {\n                    weekdayOverflow = true;\n                }\n            } else {\n                dow = config._locale._week.dow;\n                doy = config._locale._week.doy;\n\n                var curWeek = weekOfYear(createLocal(), dow, doy);\n\n                weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);\n\n                // Default to current week.\n                week = defaults(w.w, curWeek.week);\n\n                if (w.d != null) {\n                    // weekday -- low day numbers are considered next week\n                    weekday = w.d;\n                    if (weekday < 0 || weekday > 6) {\n                        weekdayOverflow = true;\n                    }\n                } else if (w.e != null) {\n                    // local weekday -- counting starts from begining of week\n                    weekday = w.e + dow;\n                    if (w.e < 0 || w.e > 6) {\n                        weekdayOverflow = true;\n                    }\n                } else {\n                    // default to begining of week\n                    weekday = dow;\n                }\n            }\n            if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {\n                getParsingFlags(config)._overflowWeeks = true;\n            } else if (weekdayOverflow != null) {\n                getParsingFlags(config)._overflowWeekday = true;\n            } else {\n                temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);\n                config._a[YEAR] = temp.year;\n                config._dayOfYear = temp.dayOfYear;\n            }\n        }\n\n// constant that refers to the ISO standard\n        hooks.ISO_8601 = function () {};\n\n// constant that refers to the RFC 2822 form\n        hooks.RFC_2822 = function () {};\n\n// date from string and format string\n        function configFromStringAndFormat(config) {\n            // TODO: Move this to another part of the creation flow to prevent circular deps\n            if (config._f === hooks.ISO_8601) {\n                configFromISO(config);\n                return;\n            }\n            if (config._f === hooks.RFC_2822) {\n                configFromRFC2822(config);\n                return;\n            }\n            config._a = [];\n            getParsingFlags(config).empty = true;\n\n            // This array is used to make a Date, either with `new Date` or `Date.UTC`\n            var string = '' + config._i,\n                i, parsedInput, tokens, token, skipped,\n                stringLength = string.length,\n                totalParsedInputLength = 0;\n\n            tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];\n\n            for (i = 0; i < tokens.length; i++) {\n                token = tokens[i];\n                parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];\n                // console.log('token', token, 'parsedInput', parsedInput,\n                //         'regex', getParseRegexForToken(token, config));\n                if (parsedInput) {\n                    skipped = string.substr(0, string.indexOf(parsedInput));\n                    if (skipped.length > 0) {\n                        getParsingFlags(config).unusedInput.push(skipped);\n                    }\n                    string = string.slice(string.indexOf(parsedInput) + parsedInput.length);\n                    totalParsedInputLength += parsedInput.length;\n                }\n                // don't parse if it's not a known token\n                if (formatTokenFunctions[token]) {\n                    if (parsedInput) {\n                        getParsingFlags(config).empty = false;\n                    }\n                    else {\n                        getParsingFlags(config).unusedTokens.push(token);\n                    }\n                    addTimeToArrayFromToken(token, parsedInput, config);\n                }\n                else if (config._strict && !parsedInput) {\n                    getParsingFlags(config).unusedTokens.push(token);\n                }\n            }\n\n            // add remaining unparsed input length to the string\n            getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;\n            if (string.length > 0) {\n                getParsingFlags(config).unusedInput.push(string);\n            }\n\n            // clear _12h flag if hour is <= 12\n            if (config._a[HOUR] <= 12 &&\n                getParsingFlags(config).bigHour === true &&\n                config._a[HOUR] > 0) {\n                getParsingFlags(config).bigHour = undefined;\n            }\n\n            getParsingFlags(config).parsedDateParts = config._a.slice(0);\n            getParsingFlags(config).meridiem = config._meridiem;\n            // handle meridiem\n            config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);\n\n            configFromArray(config);\n            checkOverflow(config);\n        }\n\n\n        function meridiemFixWrap (locale, hour, meridiem) {\n            var isPm;\n\n            if (meridiem == null) {\n                // nothing to do\n                return hour;\n            }\n            if (locale.meridiemHour != null) {\n                return locale.meridiemHour(hour, meridiem);\n            } else if (locale.isPM != null) {\n                // Fallback\n                isPm = locale.isPM(meridiem);\n                if (isPm && hour < 12) {\n                    hour += 12;\n                }\n                if (!isPm && hour === 12) {\n                    hour = 0;\n                }\n                return hour;\n            } else {\n                // this is not supposed to happen\n                return hour;\n            }\n        }\n\n// date from string and array of format strings\n        function configFromStringAndArray(config) {\n            var tempConfig,\n                bestMoment,\n\n                scoreToBeat,\n                i,\n                currentScore;\n\n            if (config._f.length === 0) {\n                getParsingFlags(config).invalidFormat = true;\n                config._d = new Date(NaN);\n                return;\n            }\n\n            for (i = 0; i < config._f.length; i++) {\n                currentScore = 0;\n                tempConfig = copyConfig({}, config);\n                if (config._useUTC != null) {\n                    tempConfig._useUTC = config._useUTC;\n                }\n                tempConfig._f = config._f[i];\n                configFromStringAndFormat(tempConfig);\n\n                if (!isValid(tempConfig)) {\n                    continue;\n                }\n\n                // if there is any input that was not parsed add a penalty for that format\n                currentScore += getParsingFlags(tempConfig).charsLeftOver;\n\n                //or tokens\n                currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n\n                getParsingFlags(tempConfig).score = currentScore;\n\n                if (scoreToBeat == null || currentScore < scoreToBeat) {\n                    scoreToBeat = currentScore;\n                    bestMoment = tempConfig;\n                }\n            }\n\n            extend(config, bestMoment || tempConfig);\n        }\n\n        function configFromObject(config) {\n            if (config._d) {\n                return;\n            }\n\n            var i = normalizeObjectUnits(config._i);\n            config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {\n                return obj && parseInt(obj, 10);\n            });\n\n            configFromArray(config);\n        }\n\n        function createFromConfig (config) {\n            var res = new Moment(checkOverflow(prepareConfig(config)));\n            if (res._nextDay) {\n                // Adding is smart enough around DST\n                res.add(1, 'd');\n                res._nextDay = undefined;\n            }\n\n            return res;\n        }\n\n        function prepareConfig (config) {\n            var input = config._i,\n                format = config._f;\n\n            config._locale = config._locale || getLocale(config._l);\n\n            if (input === null || (format === undefined && input === '')) {\n                return createInvalid({nullInput: true});\n            }\n\n            if (typeof input === 'string') {\n                config._i = input = config._locale.preparse(input);\n            }\n\n            if (isMoment(input)) {\n                return new Moment(checkOverflow(input));\n            } else if (isDate(input)) {\n                config._d = input;\n            } else if (isArray(format)) {\n                configFromStringAndArray(config);\n            } else if (format) {\n                configFromStringAndFormat(config);\n            }  else {\n                configFromInput(config);\n            }\n\n            if (!isValid(config)) {\n                config._d = null;\n            }\n\n            return config;\n        }\n\n        function configFromInput(config) {\n            var input = config._i;\n            if (isUndefined(input)) {\n                config._d = new Date(hooks.now());\n            } else if (isDate(input)) {\n                config._d = new Date(input.valueOf());\n            } else if (typeof input === 'string') {\n                configFromString(config);\n            } else if (isArray(input)) {\n                config._a = map(input.slice(0), function (obj) {\n                    return parseInt(obj, 10);\n                });\n                configFromArray(config);\n            } else if (isObject(input)) {\n                configFromObject(config);\n            } else if (isNumber(input)) {\n                // from milliseconds\n                config._d = new Date(input);\n            } else {\n                hooks.createFromInputFallback(config);\n            }\n        }\n\n        function createLocalOrUTC (input, format, locale, strict, isUTC) {\n            var c = {};\n\n            if (locale === true || locale === false) {\n                strict = locale;\n                locale = undefined;\n            }\n\n            if ((isObject(input) && isObjectEmpty(input)) ||\n                (isArray(input) && input.length === 0)) {\n                input = undefined;\n            }\n            // object construction must be done this way.\n            // https://github.com/moment/moment/issues/1423\n            c._isAMomentObject = true;\n            c._useUTC = c._isUTC = isUTC;\n            c._l = locale;\n            c._i = input;\n            c._f = format;\n            c._strict = strict;\n\n            return createFromConfig(c);\n        }\n\n        function createLocal (input, format, locale, strict) {\n            return createLocalOrUTC(input, format, locale, strict, false);\n        }\n\n        var prototypeMin = deprecate(\n            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other < this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n        var prototypeMax = deprecate(\n            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other > this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n// Pick a moment m from moments so that m[fn](other) is true for all\n// other. This relies on the function fn to be transitive.\n//\n// moments should either be an array of moment objects or an array, whose\n// first element is an array of moment objects.\n        function pickBy(fn, moments) {\n            var res, i;\n            if (moments.length === 1 && isArray(moments[0])) {\n                moments = moments[0];\n            }\n            if (!moments.length) {\n                return createLocal();\n            }\n            res = moments[0];\n            for (i = 1; i < moments.length; ++i) {\n                if (!moments[i].isValid() || moments[i][fn](res)) {\n                    res = moments[i];\n                }\n            }\n            return res;\n        }\n\n// TODO: Use [].sort instead?\n        function min () {\n            var args = [].slice.call(arguments, 0);\n\n            return pickBy('isBefore', args);\n        }\n\n        function max () {\n            var args = [].slice.call(arguments, 0);\n\n            return pickBy('isAfter', args);\n        }\n\n        var now = function () {\n            return Date.now ? Date.now() : +(new Date());\n        };\n\n        var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];\n\n        function isDurationValid(m) {\n            for (var key in m) {\n                if (!(ordering.indexOf(key) !== -1 && (m[key] == null || !isNaN(m[key])))) {\n                    return false;\n                }\n            }\n\n            var unitHasDecimal = false;\n            for (var i = 0; i < ordering.length; ++i) {\n                if (m[ordering[i]]) {\n                    if (unitHasDecimal) {\n                        return false; // only allow non-integers for smallest unit\n                    }\n                    if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {\n                        unitHasDecimal = true;\n                    }\n                }\n            }\n\n            return true;\n        }\n\n        function isValid$1() {\n            return this._isValid;\n        }\n\n        function createInvalid$1() {\n            return createDuration(NaN);\n        }\n\n        function Duration (duration) {\n            var normalizedInput = normalizeObjectUnits(duration),\n                years = normalizedInput.year || 0,\n                quarters = normalizedInput.quarter || 0,\n                months = normalizedInput.month || 0,\n                weeks = normalizedInput.week || 0,\n                days = normalizedInput.day || 0,\n                hours = normalizedInput.hour || 0,\n                minutes = normalizedInput.minute || 0,\n                seconds = normalizedInput.second || 0,\n                milliseconds = normalizedInput.millisecond || 0;\n\n            this._isValid = isDurationValid(normalizedInput);\n\n            // representation for dateAddRemove\n            this._milliseconds = +milliseconds +\n                seconds * 1e3 + // 1000\n                minutes * 6e4 + // 1000 * 60\n                hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978\n            // Because of dateAddRemove treats 24 hours as different from a\n            // day when working around DST, we need to store them separately\n            this._days = +days +\n                weeks * 7;\n            // It is impossible translate months into days without knowing\n            // which months you are are talking about, so we have to store\n            // it separately.\n            this._months = +months +\n                quarters * 3 +\n                years * 12;\n\n            this._data = {};\n\n            this._locale = getLocale();\n\n            this._bubble();\n        }\n\n        function isDuration (obj) {\n            return obj instanceof Duration;\n        }\n\n        function absRound (number) {\n            if (number < 0) {\n                return Math.round(-1 * number) * -1;\n            } else {\n                return Math.round(number);\n            }\n        }\n\n// FORMATTING\n\n        function offset (token, separator) {\n            addFormatToken(token, 0, 0, function () {\n                var offset = this.utcOffset();\n                var sign = '+';\n                if (offset < 0) {\n                    offset = -offset;\n                    sign = '-';\n                }\n                return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);\n            });\n        }\n\n        offset('Z', ':');\n        offset('ZZ', '');\n\n// PARSING\n\n        addRegexToken('Z',  matchShortOffset);\n        addRegexToken('ZZ', matchShortOffset);\n        addParseToken(['Z', 'ZZ'], function (input, array, config) {\n            config._useUTC = true;\n            config._tzm = offsetFromString(matchShortOffset, input);\n        });\n\n// HELPERS\n\n// timezone chunker\n// '+10:00' > ['10',  '00']\n// '-1530'  > ['-15', '30']\n        var chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\n        function offsetFromString(matcher, string) {\n            var matches = (string || '').match(matcher);\n\n            if (matches === null) {\n                return null;\n            }\n\n            var chunk   = matches[matches.length - 1] || [];\n            var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n            var minutes = +(parts[1] * 60) + toInt(parts[2]);\n\n            return minutes === 0 ?\n                0 :\n                parts[0] === '+' ? minutes : -minutes;\n        }\n\n// Return a moment from input, that is local/utc/zone equivalent to model.\n        function cloneWithOffset(input, model) {\n            var res, diff;\n            if (model._isUTC) {\n                res = model.clone();\n                diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();\n                // Use low-level api, because this fn is low-level api.\n                res._d.setTime(res._d.valueOf() + diff);\n                hooks.updateOffset(res, false);\n                return res;\n            } else {\n                return createLocal(input).local();\n            }\n        }\n\n        function getDateOffset (m) {\n            // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n            // https://github.com/moment/moment/pull/1871\n            return -Math.round(m._d.getTimezoneOffset() / 15) * 15;\n        }\n\n// HOOKS\n\n// This function will be called whenever a moment is mutated.\n// It is intended to keep the offset in sync with the timezone.\n        hooks.updateOffset = function () {};\n\n// MOMENTS\n\n// keepLocalTime = true means only change the timezone, without\n// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n// +0200, so we adjust the time as needed, to be valid.\n//\n// Keeping the time actually adds/subtracts (one hour)\n// from the actual represented time. That is why we call updateOffset\n// a second time. In case it wants us to change the offset again\n// _changeInProgress == true case, then we have to adjust, because\n// there is no such time in the given timezone.\n        function getSetOffset (input, keepLocalTime, keepMinutes) {\n            var offset = this._offset || 0,\n                localAdjust;\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            if (input != null) {\n                if (typeof input === 'string') {\n                    input = offsetFromString(matchShortOffset, input);\n                    if (input === null) {\n                        return this;\n                    }\n                } else if (Math.abs(input) < 16 && !keepMinutes) {\n                    input = input * 60;\n                }\n                if (!this._isUTC && keepLocalTime) {\n                    localAdjust = getDateOffset(this);\n                }\n                this._offset = input;\n                this._isUTC = true;\n                if (localAdjust != null) {\n                    this.add(localAdjust, 'm');\n                }\n                if (offset !== input) {\n                    if (!keepLocalTime || this._changeInProgress) {\n                        addSubtract(this, createDuration(input - offset, 'm'), 1, false);\n                    } else if (!this._changeInProgress) {\n                        this._changeInProgress = true;\n                        hooks.updateOffset(this, true);\n                        this._changeInProgress = null;\n                    }\n                }\n                return this;\n            } else {\n                return this._isUTC ? offset : getDateOffset(this);\n            }\n        }\n\n        function getSetZone (input, keepLocalTime) {\n            if (input != null) {\n                if (typeof input !== 'string') {\n                    input = -input;\n                }\n\n                this.utcOffset(input, keepLocalTime);\n\n                return this;\n            } else {\n                return -this.utcOffset();\n            }\n        }\n\n        function setOffsetToUTC (keepLocalTime) {\n            return this.utcOffset(0, keepLocalTime);\n        }\n\n        function setOffsetToLocal (keepLocalTime) {\n            if (this._isUTC) {\n                this.utcOffset(0, keepLocalTime);\n                this._isUTC = false;\n\n                if (keepLocalTime) {\n                    this.subtract(getDateOffset(this), 'm');\n                }\n            }\n            return this;\n        }\n\n        function setOffsetToParsedOffset () {\n            if (this._tzm != null) {\n                this.utcOffset(this._tzm, false, true);\n            } else if (typeof this._i === 'string') {\n                var tZone = offsetFromString(matchOffset, this._i);\n                if (tZone != null) {\n                    this.utcOffset(tZone);\n                }\n                else {\n                    this.utcOffset(0, true);\n                }\n            }\n            return this;\n        }\n\n        function hasAlignedHourOffset (input) {\n            if (!this.isValid()) {\n                return false;\n            }\n            input = input ? createLocal(input).utcOffset() : 0;\n\n            return (this.utcOffset() - input) % 60 === 0;\n        }\n\n        function isDaylightSavingTime () {\n            return (\n                this.utcOffset() > this.clone().month(0).utcOffset() ||\n                this.utcOffset() > this.clone().month(5).utcOffset()\n            );\n        }\n\n        function isDaylightSavingTimeShifted () {\n            if (!isUndefined(this._isDSTShifted)) {\n                return this._isDSTShifted;\n            }\n\n            var c = {};\n\n            copyConfig(c, this);\n            c = prepareConfig(c);\n\n            if (c._a) {\n                var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);\n                this._isDSTShifted = this.isValid() &&\n                    compareArrays(c._a, other.toArray()) > 0;\n            } else {\n                this._isDSTShifted = false;\n            }\n\n            return this._isDSTShifted;\n        }\n\n        function isLocal () {\n            return this.isValid() ? !this._isUTC : false;\n        }\n\n        function isUtcOffset () {\n            return this.isValid() ? this._isUTC : false;\n        }\n\n        function isUtc () {\n            return this.isValid() ? this._isUTC && this._offset === 0 : false;\n        }\n\n// ASP.NET json date format regex\n        var aspNetRegex = /^(\\-)?(?:(\\d*)[. ])?(\\d+)\\:(\\d+)(?:\\:(\\d+)(\\.\\d*)?)?$/;\n\n// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n// and further modified to allow for strings containing both week and day\n        var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;\n\n        function createDuration (input, key) {\n            var duration = input,\n                // matching against regexp is expensive, do it on demand\n                match = null,\n                sign,\n                ret,\n                diffRes;\n\n            if (isDuration(input)) {\n                duration = {\n                    ms : input._milliseconds,\n                    d  : input._days,\n                    M  : input._months\n                };\n            } else if (isNumber(input)) {\n                duration = {};\n                if (key) {\n                    duration[key] = input;\n                } else {\n                    duration.milliseconds = input;\n                }\n            } else if (!!(match = aspNetRegex.exec(input))) {\n                sign = (match[1] === '-') ? -1 : 1;\n                duration = {\n                    y  : 0,\n                    d  : toInt(match[DATE])                         * sign,\n                    h  : toInt(match[HOUR])                         * sign,\n                    m  : toInt(match[MINUTE])                       * sign,\n                    s  : toInt(match[SECOND])                       * sign,\n                    ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match\n                };\n            } else if (!!(match = isoRegex.exec(input))) {\n                sign = (match[1] === '-') ? -1 : 1;\n                duration = {\n                    y : parseIso(match[2], sign),\n                    M : parseIso(match[3], sign),\n                    w : parseIso(match[4], sign),\n                    d : parseIso(match[5], sign),\n                    h : parseIso(match[6], sign),\n                    m : parseIso(match[7], sign),\n                    s : parseIso(match[8], sign)\n                };\n            } else if (duration == null) {// checks for null or undefined\n                duration = {};\n            } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {\n                diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));\n\n                duration = {};\n                duration.ms = diffRes.milliseconds;\n                duration.M = diffRes.months;\n            }\n\n            ret = new Duration(duration);\n\n            if (isDuration(input) && hasOwnProp(input, '_locale')) {\n                ret._locale = input._locale;\n            }\n\n            return ret;\n        }\n\n        createDuration.fn = Duration.prototype;\n        createDuration.invalid = createInvalid$1;\n\n        function parseIso (inp, sign) {\n            // We'd normally use ~~inp for this, but unfortunately it also\n            // converts floats to ints.\n            // inp may be undefined, so careful calling replace on it.\n            var res = inp && parseFloat(inp.replace(',', '.'));\n            // apply sign while we're at it\n            return (isNaN(res) ? 0 : res) * sign;\n        }\n\n        function positiveMomentsDifference(base, other) {\n            var res = {milliseconds: 0, months: 0};\n\n            res.months = other.month() - base.month() +\n                (other.year() - base.year()) * 12;\n            if (base.clone().add(res.months, 'M').isAfter(other)) {\n                --res.months;\n            }\n\n            res.milliseconds = +other - +(base.clone().add(res.months, 'M'));\n\n            return res;\n        }\n\n        function momentsDifference(base, other) {\n            var res;\n            if (!(base.isValid() && other.isValid())) {\n                return {milliseconds: 0, months: 0};\n            }\n\n            other = cloneWithOffset(other, base);\n            if (base.isBefore(other)) {\n                res = positiveMomentsDifference(base, other);\n            } else {\n                res = positiveMomentsDifference(other, base);\n                res.milliseconds = -res.milliseconds;\n                res.months = -res.months;\n            }\n\n            return res;\n        }\n\n// TODO: remove 'name' arg after deprecation is removed\n        function createAdder(direction, name) {\n            return function (val, period) {\n                var dur, tmp;\n                //invert the arguments, but complain about it\n                if (period !== null && !isNaN(+period)) {\n                    deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +\n                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');\n                    tmp = val; val = period; period = tmp;\n                }\n\n                val = typeof val === 'string' ? +val : val;\n                dur = createDuration(val, period);\n                addSubtract(this, dur, direction);\n                return this;\n            };\n        }\n\n        function addSubtract (mom, duration, isAdding, updateOffset) {\n            var milliseconds = duration._milliseconds,\n                days = absRound(duration._days),\n                months = absRound(duration._months);\n\n            if (!mom.isValid()) {\n                // No op\n                return;\n            }\n\n            updateOffset = updateOffset == null ? true : updateOffset;\n\n            if (milliseconds) {\n                mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);\n            }\n            if (days) {\n                set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);\n            }\n            if (months) {\n                setMonth(mom, get(mom, 'Month') + months * isAdding);\n            }\n            if (updateOffset) {\n                hooks.updateOffset(mom, days || months);\n            }\n        }\n\n        var add      = createAdder(1, 'add');\n        var subtract = createAdder(-1, 'subtract');\n\n        function getCalendarFormat(myMoment, now) {\n            var diff = myMoment.diff(now, 'days', true);\n            return diff < -6 ? 'sameElse' :\n                diff < -1 ? 'lastWeek' :\n                    diff < 0 ? 'lastDay' :\n                        diff < 1 ? 'sameDay' :\n                            diff < 2 ? 'nextDay' :\n                                diff < 7 ? 'nextWeek' : 'sameElse';\n        }\n\n        function calendar$1 (time, formats) {\n            // We want to compare the start of today, vs this.\n            // Getting start-of-today depends on whether we're local/utc/offset or not.\n            var now = time || createLocal(),\n                sod = cloneWithOffset(now, this).startOf('day'),\n                format = hooks.calendarFormat(this, sod) || 'sameElse';\n\n            var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);\n\n            return this.format(output || this.localeData().calendar(format, this, createLocal(now)));\n        }\n\n        function clone () {\n            return new Moment(this);\n        }\n\n        function isAfter (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input);\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() > localInput.valueOf();\n            } else {\n                return localInput.valueOf() < this.clone().startOf(units).valueOf();\n            }\n        }\n\n        function isBefore (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input);\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() < localInput.valueOf();\n            } else {\n                return this.clone().endOf(units).valueOf() < localInput.valueOf();\n            }\n        }\n\n        function isBetween (from, to, units, inclusivity) {\n            inclusivity = inclusivity || '()';\n            return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&\n                (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));\n        }\n\n        function isSame (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input),\n                inputMs;\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(units || 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() === localInput.valueOf();\n            } else {\n                inputMs = localInput.valueOf();\n                return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();\n            }\n        }\n\n        function isSameOrAfter (input, units) {\n            return this.isSame(input, units) || this.isAfter(input,units);\n        }\n\n        function isSameOrBefore (input, units) {\n            return this.isSame(input, units) || this.isBefore(input,units);\n        }\n\n        function diff (input, units, asFloat) {\n            var that,\n                zoneDelta,\n                delta, output;\n\n            if (!this.isValid()) {\n                return NaN;\n            }\n\n            that = cloneWithOffset(input, this);\n\n            if (!that.isValid()) {\n                return NaN;\n            }\n\n            zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;\n\n            units = normalizeUnits(units);\n\n            if (units === 'year' || units === 'month' || units === 'quarter') {\n                output = monthDiff(this, that);\n                if (units === 'quarter') {\n                    output = output / 3;\n                } else if (units === 'year') {\n                    output = output / 12;\n                }\n            } else {\n                delta = this - that;\n                output = units === 'second' ? delta / 1e3 : // 1000\n                    units === 'minute' ? delta / 6e4 : // 1000 * 60\n                        units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60\n                            units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst\n                                units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst\n                                    delta;\n            }\n            return asFloat ? output : absFloor(output);\n        }\n\n        function monthDiff (a, b) {\n            // difference in months\n            var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),\n                // b is in (anchor - 1 month, anchor + 1 month)\n                anchor = a.clone().add(wholeMonthDiff, 'months'),\n                anchor2, adjust;\n\n            if (b - anchor < 0) {\n                anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');\n                // linear across the month\n                adjust = (b - anchor) / (anchor - anchor2);\n            } else {\n                anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');\n                // linear across the month\n                adjust = (b - anchor) / (anchor2 - anchor);\n            }\n\n            //check for negative zero, return zero if negative zero\n            return -(wholeMonthDiff + adjust) || 0;\n        }\n\n        hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\n        hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';\n\n        function toString () {\n            return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n        }\n\n        function toISOString() {\n            if (!this.isValid()) {\n                return null;\n            }\n            var m = this.clone().utc();\n            if (m.year() < 0 || m.year() > 9999) {\n                return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n            }\n            if (isFunction(Date.prototype.toISOString)) {\n                // native implementation is ~50x faster, use it when we can\n                return this.toDate().toISOString();\n            }\n            return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n        }\n\n        /**\n         * Return a human readable representation of a moment that can\n         * also be evaluated to get a new moment which is the same\n         *\n         * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects\n         */\n        function inspect () {\n            if (!this.isValid()) {\n                return 'moment.invalid(/* ' + this._i + ' */)';\n            }\n            var func = 'moment';\n            var zone = '';\n            if (!this.isLocal()) {\n                func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';\n                zone = 'Z';\n            }\n            var prefix = '[' + func + '(\"]';\n            var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';\n            var datetime = '-MM-DD[T]HH:mm:ss.SSS';\n            var suffix = zone + '[\")]';\n\n            return this.format(prefix + year + datetime + suffix);\n        }\n\n        function format (inputString) {\n            if (!inputString) {\n                inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;\n            }\n            var output = formatMoment(this, inputString);\n            return this.localeData().postformat(output);\n        }\n\n        function from (time, withoutSuffix) {\n            if (this.isValid() &&\n                ((isMoment(time) && time.isValid()) ||\n                createLocal(time).isValid())) {\n                return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);\n            } else {\n                return this.localeData().invalidDate();\n            }\n        }\n\n        function fromNow (withoutSuffix) {\n            return this.from(createLocal(), withoutSuffix);\n        }\n\n        function to (time, withoutSuffix) {\n            if (this.isValid() &&\n                ((isMoment(time) && time.isValid()) ||\n                createLocal(time).isValid())) {\n                return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);\n            } else {\n                return this.localeData().invalidDate();\n            }\n        }\n\n        function toNow (withoutSuffix) {\n            return this.to(createLocal(), withoutSuffix);\n        }\n\n// If passed a locale key, it will set the locale for this\n// instance.  Otherwise, it will return the locale configuration\n// variables for this instance.\n        function locale (key) {\n            var newLocaleData;\n\n            if (key === undefined) {\n                return this._locale._abbr;\n            } else {\n                newLocaleData = getLocale(key);\n                if (newLocaleData != null) {\n                    this._locale = newLocaleData;\n                }\n                return this;\n            }\n        }\n\n        var lang = deprecate(\n            'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',\n            function (key) {\n                if (key === undefined) {\n                    return this.localeData();\n                } else {\n                    return this.locale(key);\n                }\n            }\n        );\n\n        function localeData () {\n            return this._locale;\n        }\n\n        function startOf (units) {\n            units = normalizeUnits(units);\n            // the following switch intentionally omits break keywords\n            // to utilize falling through the cases.\n            switch (units) {\n                case 'year':\n                    this.month(0);\n\t\t\t\t/* falls through */\n                case 'quarter':\n                case 'month':\n                    this.date(1);\n\t\t\t\t/* falls through */\n                case 'week':\n                case 'isoWeek':\n                case 'day':\n                case 'date':\n                    this.hours(0);\n\t\t\t\t/* falls through */\n                case 'hour':\n                    this.minutes(0);\n\t\t\t\t/* falls through */\n                case 'minute':\n                    this.seconds(0);\n\t\t\t\t/* falls through */\n                case 'second':\n                    this.milliseconds(0);\n            }\n\n            // weeks are a special case\n            if (units === 'week') {\n                this.weekday(0);\n            }\n            if (units === 'isoWeek') {\n                this.isoWeekday(1);\n            }\n\n            // quarters are also special\n            if (units === 'quarter') {\n                this.month(Math.floor(this.month() / 3) * 3);\n            }\n\n            return this;\n        }\n\n        function endOf (units) {\n            units = normalizeUnits(units);\n            if (units === undefined || units === 'millisecond') {\n                return this;\n            }\n\n            // 'date' is an alias for 'day', so it should be considered as such.\n            if (units === 'date') {\n                units = 'day';\n            }\n\n            return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');\n        }\n\n        function valueOf () {\n            return this._d.valueOf() - ((this._offset || 0) * 60000);\n        }\n\n        function unix () {\n            return Math.floor(this.valueOf() / 1000);\n        }\n\n        function toDate () {\n            return new Date(this.valueOf());\n        }\n\n        function toArray () {\n            var m = this;\n            return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];\n        }\n\n        function toObject () {\n            var m = this;\n            return {\n                years: m.year(),\n                months: m.month(),\n                date: m.date(),\n                hours: m.hours(),\n                minutes: m.minutes(),\n                seconds: m.seconds(),\n                milliseconds: m.milliseconds()\n            };\n        }\n\n        function toJSON () {\n            // new Date(NaN).toJSON() === null\n            return this.isValid() ? this.toISOString() : null;\n        }\n\n        function isValid$2 () {\n            return isValid(this);\n        }\n\n        function parsingFlags () {\n            return extend({}, getParsingFlags(this));\n        }\n\n        function invalidAt () {\n            return getParsingFlags(this).overflow;\n        }\n\n        function creationData() {\n            return {\n                input: this._i,\n                format: this._f,\n                locale: this._locale,\n                isUTC: this._isUTC,\n                strict: this._strict\n            };\n        }\n\n// FORMATTING\n\n        addFormatToken(0, ['gg', 2], 0, function () {\n            return this.weekYear() % 100;\n        });\n\n        addFormatToken(0, ['GG', 2], 0, function () {\n            return this.isoWeekYear() % 100;\n        });\n\n        function addWeekYearFormatToken (token, getter) {\n            addFormatToken(0, [token, token.length], 0, getter);\n        }\n\n        addWeekYearFormatToken('gggg',     'weekYear');\n        addWeekYearFormatToken('ggggg',    'weekYear');\n        addWeekYearFormatToken('GGGG',  'isoWeekYear');\n        addWeekYearFormatToken('GGGGG', 'isoWeekYear');\n\n// ALIASES\n\n        addUnitAlias('weekYear', 'gg');\n        addUnitAlias('isoWeekYear', 'GG');\n\n// PRIORITY\n\n        addUnitPriority('weekYear', 1);\n        addUnitPriority('isoWeekYear', 1);\n\n\n// PARSING\n\n        addRegexToken('G',      matchSigned);\n        addRegexToken('g',      matchSigned);\n        addRegexToken('GG',     match1to2, match2);\n        addRegexToken('gg',     match1to2, match2);\n        addRegexToken('GGGG',   match1to4, match4);\n        addRegexToken('gggg',   match1to4, match4);\n        addRegexToken('GGGGG',  match1to6, match6);\n        addRegexToken('ggggg',  match1to6, match6);\n\n        addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {\n            week[token.substr(0, 2)] = toInt(input);\n        });\n\n        addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {\n            week[token] = hooks.parseTwoDigitYear(input);\n        });\n\n// MOMENTS\n\n        function getSetWeekYear (input) {\n            return getSetWeekYearHelper.call(this,\n                input,\n                this.week(),\n                this.weekday(),\n                this.localeData()._week.dow,\n                this.localeData()._week.doy);\n        }\n\n        function getSetISOWeekYear (input) {\n            return getSetWeekYearHelper.call(this,\n                input, this.isoWeek(), this.isoWeekday(), 1, 4);\n        }\n\n        function getISOWeeksInYear () {\n            return weeksInYear(this.year(), 1, 4);\n        }\n\n        function getWeeksInYear () {\n            var weekInfo = this.localeData()._week;\n            return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);\n        }\n\n        function getSetWeekYearHelper(input, week, weekday, dow, doy) {\n            var weeksTarget;\n            if (input == null) {\n                return weekOfYear(this, dow, doy).year;\n            } else {\n                weeksTarget = weeksInYear(input, dow, doy);\n                if (week > weeksTarget) {\n                    week = weeksTarget;\n                }\n                return setWeekAll.call(this, input, week, weekday, dow, doy);\n            }\n        }\n\n        function setWeekAll(weekYear, week, weekday, dow, doy) {\n            var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),\n                date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);\n\n            this.year(date.getUTCFullYear());\n            this.month(date.getUTCMonth());\n            this.date(date.getUTCDate());\n            return this;\n        }\n\n// FORMATTING\n\n        addFormatToken('Q', 0, 'Qo', 'quarter');\n\n// ALIASES\n\n        addUnitAlias('quarter', 'Q');\n\n// PRIORITY\n\n        addUnitPriority('quarter', 7);\n\n// PARSING\n\n        addRegexToken('Q', match1);\n        addParseToken('Q', function (input, array) {\n            array[MONTH] = (toInt(input) - 1) * 3;\n        });\n\n// MOMENTS\n\n        function getSetQuarter (input) {\n            return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);\n        }\n\n// FORMATTING\n\n        addFormatToken('D', ['DD', 2], 'Do', 'date');\n\n// ALIASES\n\n        addUnitAlias('date', 'D');\n\n// PRIOROITY\n        addUnitPriority('date', 9);\n\n// PARSING\n\n        addRegexToken('D',  match1to2);\n        addRegexToken('DD', match1to2, match2);\n        addRegexToken('Do', function (isStrict, locale) {\n            // TODO: Remove \"ordinalParse\" fallback in next major release.\n            return isStrict ?\n                (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :\n                locale._dayOfMonthOrdinalParseLenient;\n        });\n\n        addParseToken(['D', 'DD'], DATE);\n        addParseToken('Do', function (input, array) {\n            array[DATE] = toInt(input.match(match1to2)[0], 10);\n        });\n\n// MOMENTS\n\n        var getSetDayOfMonth = makeGetSet('Date', true);\n\n// FORMATTING\n\n        addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');\n\n// ALIASES\n\n        addUnitAlias('dayOfYear', 'DDD');\n\n// PRIORITY\n        addUnitPriority('dayOfYear', 4);\n\n// PARSING\n\n        addRegexToken('DDD',  match1to3);\n        addRegexToken('DDDD', match3);\n        addParseToken(['DDD', 'DDDD'], function (input, array, config) {\n            config._dayOfYear = toInt(input);\n        });\n\n// HELPERS\n\n// MOMENTS\n\n        function getSetDayOfYear (input) {\n            var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;\n            return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');\n        }\n\n// FORMATTING\n\n        addFormatToken('m', ['mm', 2], 0, 'minute');\n\n// ALIASES\n\n        addUnitAlias('minute', 'm');\n\n// PRIORITY\n\n        addUnitPriority('minute', 14);\n\n// PARSING\n\n        addRegexToken('m',  match1to2);\n        addRegexToken('mm', match1to2, match2);\n        addParseToken(['m', 'mm'], MINUTE);\n\n// MOMENTS\n\n        var getSetMinute = makeGetSet('Minutes', false);\n\n// FORMATTING\n\n        addFormatToken('s', ['ss', 2], 0, 'second');\n\n// ALIASES\n\n        addUnitAlias('second', 's');\n\n// PRIORITY\n\n        addUnitPriority('second', 15);\n\n// PARSING\n\n        addRegexToken('s',  match1to2);\n        addRegexToken('ss', match1to2, match2);\n        addParseToken(['s', 'ss'], SECOND);\n\n// MOMENTS\n\n        var getSetSecond = makeGetSet('Seconds', false);\n\n// FORMATTING\n\n        addFormatToken('S', 0, 0, function () {\n            return ~~(this.millisecond() / 100);\n        });\n\n        addFormatToken(0, ['SS', 2], 0, function () {\n            return ~~(this.millisecond() / 10);\n        });\n\n        addFormatToken(0, ['SSS', 3], 0, 'millisecond');\n        addFormatToken(0, ['SSSS', 4], 0, function () {\n            return this.millisecond() * 10;\n        });\n        addFormatToken(0, ['SSSSS', 5], 0, function () {\n            return this.millisecond() * 100;\n        });\n        addFormatToken(0, ['SSSSSS', 6], 0, function () {\n            return this.millisecond() * 1000;\n        });\n        addFormatToken(0, ['SSSSSSS', 7], 0, function () {\n            return this.millisecond() * 10000;\n        });\n        addFormatToken(0, ['SSSSSSSS', 8], 0, function () {\n            return this.millisecond() * 100000;\n        });\n        addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {\n            return this.millisecond() * 1000000;\n        });\n\n\n// ALIASES\n\n        addUnitAlias('millisecond', 'ms');\n\n// PRIORITY\n\n        addUnitPriority('millisecond', 16);\n\n// PARSING\n\n        addRegexToken('S',    match1to3, match1);\n        addRegexToken('SS',   match1to3, match2);\n        addRegexToken('SSS',  match1to3, match3);\n\n        var token;\n        for (token = 'SSSS'; token.length <= 9; token += 'S') {\n            addRegexToken(token, matchUnsigned);\n        }\n\n        function parseMs(input, array) {\n            array[MILLISECOND] = toInt(('0.' + input) * 1000);\n        }\n\n        for (token = 'S'; token.length <= 9; token += 'S') {\n            addParseToken(token, parseMs);\n        }\n// MOMENTS\n\n        var getSetMillisecond = makeGetSet('Milliseconds', false);\n\n// FORMATTING\n\n        addFormatToken('z',  0, 0, 'zoneAbbr');\n        addFormatToken('zz', 0, 0, 'zoneName');\n\n// MOMENTS\n\n        function getZoneAbbr () {\n            return this._isUTC ? 'UTC' : '';\n        }\n\n        function getZoneName () {\n            return this._isUTC ? 'Coordinated Universal Time' : '';\n        }\n\n        var proto = Moment.prototype;\n\n        proto.add               = add;\n        proto.calendar          = calendar$1;\n        proto.clone             = clone;\n        proto.diff              = diff;\n        proto.endOf             = endOf;\n        proto.format            = format;\n        proto.from              = from;\n        proto.fromNow           = fromNow;\n        proto.to                = to;\n        proto.toNow             = toNow;\n        proto.get               = stringGet;\n        proto.invalidAt         = invalidAt;\n        proto.isAfter           = isAfter;\n        proto.isBefore          = isBefore;\n        proto.isBetween         = isBetween;\n        proto.isSame            = isSame;\n        proto.isSameOrAfter     = isSameOrAfter;\n        proto.isSameOrBefore    = isSameOrBefore;\n        proto.isValid           = isValid$2;\n        proto.lang              = lang;\n        proto.locale            = locale;\n        proto.localeData        = localeData;\n        proto.max               = prototypeMax;\n        proto.min               = prototypeMin;\n        proto.parsingFlags      = parsingFlags;\n        proto.set               = stringSet;\n        proto.startOf           = startOf;\n        proto.subtract          = subtract;\n        proto.toArray           = toArray;\n        proto.toObject          = toObject;\n        proto.toDate            = toDate;\n        proto.toISOString       = toISOString;\n        proto.inspect           = inspect;\n        proto.toJSON            = toJSON;\n        proto.toString          = toString;\n        proto.unix              = unix;\n        proto.valueOf           = valueOf;\n        proto.creationData      = creationData;\n\n// Year\n        proto.year       = getSetYear;\n        proto.isLeapYear = getIsLeapYear;\n\n// Week Year\n        proto.weekYear    = getSetWeekYear;\n        proto.isoWeekYear = getSetISOWeekYear;\n\n// Quarter\n        proto.quarter = proto.quarters = getSetQuarter;\n\n// Month\n        proto.month       = getSetMonth;\n        proto.daysInMonth = getDaysInMonth;\n\n// Week\n        proto.week           = proto.weeks        = getSetWeek;\n        proto.isoWeek        = proto.isoWeeks     = getSetISOWeek;\n        proto.weeksInYear    = getWeeksInYear;\n        proto.isoWeeksInYear = getISOWeeksInYear;\n\n// Day\n        proto.date       = getSetDayOfMonth;\n        proto.day        = proto.days             = getSetDayOfWeek;\n        proto.weekday    = getSetLocaleDayOfWeek;\n        proto.isoWeekday = getSetISODayOfWeek;\n        proto.dayOfYear  = getSetDayOfYear;\n\n// Hour\n        proto.hour = proto.hours = getSetHour;\n\n// Minute\n        proto.minute = proto.minutes = getSetMinute;\n\n// Second\n        proto.second = proto.seconds = getSetSecond;\n\n// Millisecond\n        proto.millisecond = proto.milliseconds = getSetMillisecond;\n\n// Offset\n        proto.utcOffset            = getSetOffset;\n        proto.utc                  = setOffsetToUTC;\n        proto.local                = setOffsetToLocal;\n        proto.parseZone            = setOffsetToParsedOffset;\n        proto.hasAlignedHourOffset = hasAlignedHourOffset;\n        proto.isDST                = isDaylightSavingTime;\n        proto.isLocal              = isLocal;\n        proto.isUtcOffset          = isUtcOffset;\n        proto.isUtc                = isUtc;\n        proto.isUTC                = isUtc;\n\n// Timezone\n        proto.zoneAbbr = getZoneAbbr;\n        proto.zoneName = getZoneName;\n\n// Deprecations\n        proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);\n        proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);\n        proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);\n        proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);\n        proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);\n\n        function createUnix (input) {\n            return createLocal(input * 1000);\n        }\n\n        function createInZone () {\n            return createLocal.apply(null, arguments).parseZone();\n        }\n\n        function preParsePostFormat (string) {\n            return string;\n        }\n\n        var proto$1 = Locale.prototype;\n\n        proto$1.calendar        = calendar;\n        proto$1.longDateFormat  = longDateFormat;\n        proto$1.invalidDate     = invalidDate;\n        proto$1.ordinal         = ordinal;\n        proto$1.preparse        = preParsePostFormat;\n        proto$1.postformat      = preParsePostFormat;\n        proto$1.relativeTime    = relativeTime;\n        proto$1.pastFuture      = pastFuture;\n        proto$1.set             = set;\n\n// Month\n        proto$1.months            =        localeMonths;\n        proto$1.monthsShort       =        localeMonthsShort;\n        proto$1.monthsParse       =        localeMonthsParse;\n        proto$1.monthsRegex       = monthsRegex;\n        proto$1.monthsShortRegex  = monthsShortRegex;\n\n// Week\n        proto$1.week = localeWeek;\n        proto$1.firstDayOfYear = localeFirstDayOfYear;\n        proto$1.firstDayOfWeek = localeFirstDayOfWeek;\n\n// Day of Week\n        proto$1.weekdays       =        localeWeekdays;\n        proto$1.weekdaysMin    =        localeWeekdaysMin;\n        proto$1.weekdaysShort  =        localeWeekdaysShort;\n        proto$1.weekdaysParse  =        localeWeekdaysParse;\n\n        proto$1.weekdaysRegex       =        weekdaysRegex;\n        proto$1.weekdaysShortRegex  =        weekdaysShortRegex;\n        proto$1.weekdaysMinRegex    =        weekdaysMinRegex;\n\n// Hours\n        proto$1.isPM = localeIsPM;\n        proto$1.meridiem = localeMeridiem;\n\n        function get$1 (format, index, field, setter) {\n            var locale = getLocale();\n            var utc = createUTC().set(setter, index);\n            return locale[field](utc, format);\n        }\n\n        function listMonthsImpl (format, index, field) {\n            if (isNumber(format)) {\n                index = format;\n                format = undefined;\n            }\n\n            format = format || '';\n\n            if (index != null) {\n                return get$1(format, index, field, 'month');\n            }\n\n            var i;\n            var out = [];\n            for (i = 0; i < 12; i++) {\n                out[i] = get$1(format, i, field, 'month');\n            }\n            return out;\n        }\n\n// ()\n// (5)\n// (fmt, 5)\n// (fmt)\n// (true)\n// (true, 5)\n// (true, fmt, 5)\n// (true, fmt)\n        function listWeekdaysImpl (localeSorted, format, index, field) {\n            if (typeof localeSorted === 'boolean') {\n                if (isNumber(format)) {\n                    index = format;\n                    format = undefined;\n                }\n\n                format = format || '';\n            } else {\n                format = localeSorted;\n                index = format;\n                localeSorted = false;\n\n                if (isNumber(format)) {\n                    index = format;\n                    format = undefined;\n                }\n\n                format = format || '';\n            }\n\n            var locale = getLocale(),\n                shift = localeSorted ? locale._week.dow : 0;\n\n            if (index != null) {\n                return get$1(format, (index + shift) % 7, field, 'day');\n            }\n\n            var i;\n            var out = [];\n            for (i = 0; i < 7; i++) {\n                out[i] = get$1(format, (i + shift) % 7, field, 'day');\n            }\n            return out;\n        }\n\n        function listMonths (format, index) {\n            return listMonthsImpl(format, index, 'months');\n        }\n\n        function listMonthsShort (format, index) {\n            return listMonthsImpl(format, index, 'monthsShort');\n        }\n\n        function listWeekdays (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdays');\n        }\n\n        function listWeekdaysShort (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');\n        }\n\n        function listWeekdaysMin (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');\n        }\n\n        getSetGlobalLocale('en', {\n            dayOfMonthOrdinalParse: /\\d{1,2}(th|st|nd|rd)/,\n            ordinal : function (number) {\n                var b = number % 10,\n                    output = (toInt(number % 100 / 10) === 1) ? 'th' :\n                        (b === 1) ? 'st' :\n                            (b === 2) ? 'nd' :\n                                (b === 3) ? 'rd' : 'th';\n                return number + output;\n            }\n        });\n\n// Side effect imports\n        hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);\n        hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);\n\n        var mathAbs = Math.abs;\n\n        function abs () {\n            var data           = this._data;\n\n            this._milliseconds = mathAbs(this._milliseconds);\n            this._days         = mathAbs(this._days);\n            this._months       = mathAbs(this._months);\n\n            data.milliseconds  = mathAbs(data.milliseconds);\n            data.seconds       = mathAbs(data.seconds);\n            data.minutes       = mathAbs(data.minutes);\n            data.hours         = mathAbs(data.hours);\n            data.months        = mathAbs(data.months);\n            data.years         = mathAbs(data.years);\n\n            return this;\n        }\n\n        function addSubtract$1 (duration, input, value, direction) {\n            var other = createDuration(input, value);\n\n            duration._milliseconds += direction * other._milliseconds;\n            duration._days         += direction * other._days;\n            duration._months       += direction * other._months;\n\n            return duration._bubble();\n        }\n\n// supports only 2.0-style add(1, 's') or add(duration)\n        function add$1 (input, value) {\n            return addSubtract$1(this, input, value, 1);\n        }\n\n// supports only 2.0-style subtract(1, 's') or subtract(duration)\n        function subtract$1 (input, value) {\n            return addSubtract$1(this, input, value, -1);\n        }\n\n        function absCeil (number) {\n            if (number < 0) {\n                return Math.floor(number);\n            } else {\n                return Math.ceil(number);\n            }\n        }\n\n        function bubble () {\n            var milliseconds = this._milliseconds;\n            var days         = this._days;\n            var months       = this._months;\n            var data         = this._data;\n            var seconds, minutes, hours, years, monthsFromDays;\n\n            // if we have a mix of positive and negative values, bubble down first\n            // check: https://github.com/moment/moment/issues/2166\n            if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||\n                (milliseconds <= 0 && days <= 0 && months <= 0))) {\n                milliseconds += absCeil(monthsToDays(months) + days) * 864e5;\n                days = 0;\n                months = 0;\n            }\n\n            // The following code bubbles up values, see the tests for\n            // examples of what that means.\n            data.milliseconds = milliseconds % 1000;\n\n            seconds           = absFloor(milliseconds / 1000);\n            data.seconds      = seconds % 60;\n\n            minutes           = absFloor(seconds / 60);\n            data.minutes      = minutes % 60;\n\n            hours             = absFloor(minutes / 60);\n            data.hours        = hours % 24;\n\n            days += absFloor(hours / 24);\n\n            // convert days to months\n            monthsFromDays = absFloor(daysToMonths(days));\n            months += monthsFromDays;\n            days -= absCeil(monthsToDays(monthsFromDays));\n\n            // 12 months -> 1 year\n            years = absFloor(months / 12);\n            months %= 12;\n\n            data.days   = days;\n            data.months = months;\n            data.years  = years;\n\n            return this;\n        }\n\n        function daysToMonths (days) {\n            // 400 years have 146097 days (taking into account leap year rules)\n            // 400 years have 12 months === 4800\n            return days * 4800 / 146097;\n        }\n\n        function monthsToDays (months) {\n            // the reverse of daysToMonths\n            return months * 146097 / 4800;\n        }\n\n        function as (units) {\n            if (!this.isValid()) {\n                return NaN;\n            }\n            var days;\n            var months;\n            var milliseconds = this._milliseconds;\n\n            units = normalizeUnits(units);\n\n            if (units === 'month' || units === 'year') {\n                days   = this._days   + milliseconds / 864e5;\n                months = this._months + daysToMonths(days);\n                return units === 'month' ? months : months / 12;\n            } else {\n                // handle milliseconds separately because of floating point math errors (issue #1867)\n                days = this._days + Math.round(monthsToDays(this._months));\n                switch (units) {\n                    case 'week'   : return days / 7     + milliseconds / 6048e5;\n                    case 'day'    : return days         + milliseconds / 864e5;\n                    case 'hour'   : return days * 24    + milliseconds / 36e5;\n                    case 'minute' : return days * 1440  + milliseconds / 6e4;\n                    case 'second' : return days * 86400 + milliseconds / 1000;\n                    // Math.floor prevents floating point math errors here\n                    case 'millisecond': return Math.floor(days * 864e5) + milliseconds;\n                    default: throw new Error('Unknown unit ' + units);\n                }\n            }\n        }\n\n// TODO: Use this.as('ms')?\n        function valueOf$1 () {\n            if (!this.isValid()) {\n                return NaN;\n            }\n            return (\n                this._milliseconds +\n                this._days * 864e5 +\n                (this._months % 12) * 2592e6 +\n                toInt(this._months / 12) * 31536e6\n            );\n        }\n\n        function makeAs (alias) {\n            return function () {\n                return this.as(alias);\n            };\n        }\n\n        var asMilliseconds = makeAs('ms');\n        var asSeconds      = makeAs('s');\n        var asMinutes      = makeAs('m');\n        var asHours        = makeAs('h');\n        var asDays         = makeAs('d');\n        var asWeeks        = makeAs('w');\n        var asMonths       = makeAs('M');\n        var asYears        = makeAs('y');\n\n        function get$2 (units) {\n            units = normalizeUnits(units);\n            return this.isValid() ? this[units + 's']() : NaN;\n        }\n\n        function makeGetter(name) {\n            return function () {\n                return this.isValid() ? this._data[name] : NaN;\n            };\n        }\n\n        var milliseconds = makeGetter('milliseconds');\n        var seconds      = makeGetter('seconds');\n        var minutes      = makeGetter('minutes');\n        var hours        = makeGetter('hours');\n        var days         = makeGetter('days');\n        var months       = makeGetter('months');\n        var years        = makeGetter('years');\n\n        function weeks () {\n            return absFloor(this.days() / 7);\n        }\n\n        var round = Math.round;\n        var thresholds = {\n            ss: 44,         // a few seconds to seconds\n            s : 45,         // seconds to minute\n            m : 45,         // minutes to hour\n            h : 22,         // hours to day\n            d : 26,         // days to month\n            M : 11          // months to year\n        };\n\n// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize\n        function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {\n            return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);\n        }\n\n        function relativeTime$1 (posNegDuration, withoutSuffix, locale) {\n            var duration = createDuration(posNegDuration).abs();\n            var seconds  = round(duration.as('s'));\n            var minutes  = round(duration.as('m'));\n            var hours    = round(duration.as('h'));\n            var days     = round(duration.as('d'));\n            var months   = round(duration.as('M'));\n            var years    = round(duration.as('y'));\n\n            var a = seconds <= thresholds.ss && ['s', seconds]  ||\n                seconds < thresholds.s   && ['ss', seconds] ||\n                minutes <= 1             && ['m']           ||\n                minutes < thresholds.m   && ['mm', minutes] ||\n                hours   <= 1             && ['h']           ||\n                hours   < thresholds.h   && ['hh', hours]   ||\n                days    <= 1             && ['d']           ||\n                days    < thresholds.d   && ['dd', days]    ||\n                months  <= 1             && ['M']           ||\n                months  < thresholds.M   && ['MM', months]  ||\n                years   <= 1             && ['y']           || ['yy', years];\n\n            a[2] = withoutSuffix;\n            a[3] = +posNegDuration > 0;\n            a[4] = locale;\n            return substituteTimeAgo.apply(null, a);\n        }\n\n// This function allows you to set the rounding function for relative time strings\n        function getSetRelativeTimeRounding (roundingFunction) {\n            if (roundingFunction === undefined) {\n                return round;\n            }\n            if (typeof(roundingFunction) === 'function') {\n                round = roundingFunction;\n                return true;\n            }\n            return false;\n        }\n\n// This function allows you to set a threshold for relative time strings\n        function getSetRelativeTimeThreshold (threshold, limit) {\n            if (thresholds[threshold] === undefined) {\n                return false;\n            }\n            if (limit === undefined) {\n                return thresholds[threshold];\n            }\n            thresholds[threshold] = limit;\n            if (threshold === 's') {\n                thresholds.ss = limit - 1;\n            }\n            return true;\n        }\n\n        function humanize (withSuffix) {\n            if (!this.isValid()) {\n                return this.localeData().invalidDate();\n            }\n\n            var locale = this.localeData();\n            var output = relativeTime$1(this, !withSuffix, locale);\n\n            if (withSuffix) {\n                output = locale.pastFuture(+this, output);\n            }\n\n            return locale.postformat(output);\n        }\n\n        var abs$1 = Math.abs;\n\n        function toISOString$1() {\n            // for ISO strings we do not use the normal bubbling rules:\n            //  * milliseconds bubble up until they become hours\n            //  * days do not bubble at all\n            //  * months bubble up until they become years\n            // This is because there is no context-free conversion between hours and days\n            // (think of clock changes)\n            // and also not between days and months (28-31 days per month)\n            if (!this.isValid()) {\n                return this.localeData().invalidDate();\n            }\n\n            var seconds = abs$1(this._milliseconds) / 1000;\n            var days         = abs$1(this._days);\n            var months       = abs$1(this._months);\n            var minutes, hours, years;\n\n            // 3600 seconds -> 60 minutes -> 1 hour\n            minutes           = absFloor(seconds / 60);\n            hours             = absFloor(minutes / 60);\n            seconds %= 60;\n            minutes %= 60;\n\n            // 12 months -> 1 year\n            years  = absFloor(months / 12);\n            months %= 12;\n\n\n            // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js\n            var Y = years;\n            var M = months;\n            var D = days;\n            var h = hours;\n            var m = minutes;\n            var s = seconds;\n            var total = this.asSeconds();\n\n            if (!total) {\n                // this is the same as C#'s (Noda) and python (isodate)...\n                // but not other JS (goog.date)\n                return 'P0D';\n            }\n\n            return (total < 0 ? '-' : '') +\n                'P' +\n                (Y ? Y + 'Y' : '') +\n                (M ? M + 'M' : '') +\n                (D ? D + 'D' : '') +\n                ((h || m || s) ? 'T' : '') +\n                (h ? h + 'H' : '') +\n                (m ? m + 'M' : '') +\n                (s ? s + 'S' : '');\n        }\n\n        var proto$2 = Duration.prototype;\n\n        proto$2.isValid        = isValid$1;\n        proto$2.abs            = abs;\n        proto$2.add            = add$1;\n        proto$2.subtract       = subtract$1;\n        proto$2.as             = as;\n        proto$2.asMilliseconds = asMilliseconds;\n        proto$2.asSeconds      = asSeconds;\n        proto$2.asMinutes      = asMinutes;\n        proto$2.asHours        = asHours;\n        proto$2.asDays         = asDays;\n        proto$2.asWeeks        = asWeeks;\n        proto$2.asMonths       = asMonths;\n        proto$2.asYears        = asYears;\n        proto$2.valueOf        = valueOf$1;\n        proto$2._bubble        = bubble;\n        proto$2.get            = get$2;\n        proto$2.milliseconds   = milliseconds;\n        proto$2.seconds        = seconds;\n        proto$2.minutes        = minutes;\n        proto$2.hours          = hours;\n        proto$2.days           = days;\n        proto$2.weeks          = weeks;\n        proto$2.months         = months;\n        proto$2.years          = years;\n        proto$2.humanize       = humanize;\n        proto$2.toISOString    = toISOString$1;\n        proto$2.toString       = toISOString$1;\n        proto$2.toJSON         = toISOString$1;\n        proto$2.locale         = locale;\n        proto$2.localeData     = localeData;\n\n// Deprecations\n        proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);\n        proto$2.lang = lang;\n\n// Side effect imports\n\n// FORMATTING\n\n        addFormatToken('X', 0, 0, 'unix');\n        addFormatToken('x', 0, 0, 'valueOf');\n\n// PARSING\n\n        addRegexToken('x', matchSigned);\n        addRegexToken('X', matchTimestamp);\n        addParseToken('X', function (input, array, config) {\n            config._d = new Date(parseFloat(input, 10) * 1000);\n        });\n        addParseToken('x', function (input, array, config) {\n            config._d = new Date(toInt(input));\n        });\n\n// Side effect imports\n\n\n        hooks.version = '2.18.1';\n\n        setHookCallback(createLocal);\n\n        hooks.fn                    = proto;\n        hooks.min                   = min;\n        hooks.max                   = max;\n        hooks.now                   = now;\n        hooks.utc                   = createUTC;\n        hooks.unix                  = createUnix;\n        hooks.months                = listMonths;\n        hooks.isDate                = isDate;\n        hooks.locale                = getSetGlobalLocale;\n        hooks.invalid               = createInvalid;\n        hooks.duration              = createDuration;\n        hooks.isMoment              = isMoment;\n        hooks.weekdays              = listWeekdays;\n        hooks.parseZone             = createInZone;\n        hooks.localeData            = getLocale;\n        hooks.isDuration            = isDuration;\n        hooks.monthsShort           = listMonthsShort;\n        hooks.weekdaysMin           = listWeekdaysMin;\n        hooks.defineLocale          = defineLocale;\n        hooks.updateLocale          = updateLocale;\n        hooks.locales               = listLocales;\n        hooks.weekdaysShort         = listWeekdaysShort;\n        hooks.normalizeUnits        = normalizeUnits;\n        hooks.relativeTimeRounding = getSetRelativeTimeRounding;\n        hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;\n        hooks.calendarFormat        = getCalendarFormat;\n        hooks.prototype             = proto;\n\n        return hooks;\n\n    })));\n\n},{}],7:[function(require,module,exports){\n    /**\n     * @namespace Chart\n     */\n    var Chart = require(29)();\n\n    Chart.helpers = require(45);\n\n// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!\n    require(27)(Chart);\n\n    Chart.defaults = require(25);\n    Chart.Element = require(26);\n    Chart.elements = require(40);\n    Chart.Interaction = require(28);\n    Chart.platform = require(48);\n\n    require(31)(Chart);\n    require(22)(Chart);\n    require(23)(Chart);\n    require(24)(Chart);\n    require(30)(Chart);\n    require(33)(Chart);\n    require(32)(Chart);\n    require(35)(Chart);\n\n    require(54)(Chart);\n    require(52)(Chart);\n    require(53)(Chart);\n    require(55)(Chart);\n    require(56)(Chart);\n    require(57)(Chart);\n\n// Controllers must be loaded after elements\n// See Chart.core.datasetController.dataElementType\n    require(15)(Chart);\n    require(16)(Chart);\n    require(17)(Chart);\n    require(18)(Chart);\n    require(19)(Chart);\n    require(20)(Chart);\n    require(21)(Chart);\n\n    require(8)(Chart);\n    require(9)(Chart);\n    require(10)(Chart);\n    require(11)(Chart);\n    require(12)(Chart);\n    require(13)(Chart);\n    require(14)(Chart);\n\n// Loading built-it plugins\n    var plugins = [];\n\n    plugins.push(\n        require(49)(Chart),\n        require(50)(Chart),\n        require(51)(Chart)\n    );\n\n    Chart.plugins.register(plugins);\n\n    Chart.platform.initialize();\n\n    module.exports = Chart;\n    if (typeof window !== 'undefined') {\n        window.Chart = Chart;\n    }\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas instead.\n     * @namespace Chart.canvasHelpers\n     * @deprecated since version 2.6.0\n     * @todo remove at version 3\n     * @private\n     */\n    Chart.canvasHelpers = Chart.helpers.canvas;\n\n},{\"10\":10,\"11\":11,\"12\":12,\"13\":13,\"14\":14,\"15\":15,\"16\":16,\"17\":17,\"18\":18,\"19\":19,\"20\":20,\"21\":21,\"22\":22,\"23\":23,\"24\":24,\"25\":25,\"26\":26,\"27\":27,\"28\":28,\"29\":29,\"30\":30,\"31\":31,\"32\":32,\"33\":33,\"35\":35,\"40\":40,\"45\":45,\"48\":48,\"49\":49,\"50\":50,\"51\":51,\"52\":52,\"53\":53,\"54\":54,\"55\":55,\"56\":56,\"57\":57,\"8\":8,\"9\":9}],8:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Bar = function(context, config) {\n            config.type = 'bar';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],9:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Bubble = function(context, config) {\n            config.type = 'bubble';\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],10:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Doughnut = function(context, config) {\n            config.type = 'doughnut';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],11:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Line = function(context, config) {\n            config.type = 'line';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],12:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.PolarArea = function(context, config) {\n            config.type = 'polarArea';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],13:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Radar = function(context, config) {\n            config.type = 'radar';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],14:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n        Chart.Scatter = function(context, config) {\n            config.type = 'scatter';\n            return new Chart(context, config);\n        };\n    };\n\n},{}],15:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('bar', {\n        hover: {\n            mode: 'label'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'category',\n\n                // Specific to Bar Controller\n                categoryPercentage: 0.8,\n                barPercentage: 0.9,\n\n                // offset settings\n                offset: true,\n\n                // grid line settings\n                gridLines: {\n                    offsetGridLines: true\n                }\n            }],\n\n            yAxes: [{\n                type: 'linear'\n            }]\n        }\n    });\n\n    defaults._set('horizontalBar', {\n        hover: {\n            mode: 'index',\n            axis: 'y'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'linear',\n                position: 'bottom'\n            }],\n\n            yAxes: [{\n                position: 'left',\n                type: 'category',\n\n                // Specific to Horizontal Bar Controller\n                categoryPercentage: 0.8,\n                barPercentage: 0.9,\n\n                // offset settings\n                offset: true,\n\n                // grid line settings\n                gridLines: {\n                    offsetGridLines: true\n                }\n            }]\n        },\n\n        elements: {\n            rectangle: {\n                borderSkipped: 'left'\n            }\n        },\n\n        tooltips: {\n            callbacks: {\n                title: function(item, data) {\n                    // Pick first xLabel for now\n                    var title = '';\n\n                    if (item.length > 0) {\n                        if (item[0].yLabel) {\n                            title = item[0].yLabel;\n                        } else if (data.labels.length > 0 && item[0].index < data.labels.length) {\n                            title = data.labels[item[0].index];\n                        }\n                    }\n\n                    return title;\n                },\n\n                label: function(item, data) {\n                    var datasetLabel = data.datasets[item.datasetIndex].label || '';\n                    return datasetLabel + ': ' + item.xLabel;\n                }\n            },\n            mode: 'index',\n            axis: 'y'\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.bar = Chart.DatasetController.extend({\n\n            dataElementType: elements.Rectangle,\n\n            initialize: function() {\n                var me = this;\n                var meta;\n\n                Chart.DatasetController.prototype.initialize.apply(me, arguments);\n\n                meta = me.getMeta();\n                meta.stack = me.getDataset().stack;\n                meta.bar = true;\n            },\n\n            update: function(reset) {\n                var me = this;\n                var rects = me.getMeta().data;\n                var i, ilen;\n\n                me._ruler = me.getRuler();\n\n                for (i = 0, ilen = rects.length; i < ilen; ++i) {\n                    me.updateElement(rects[i], i, reset);\n                }\n            },\n\n            updateElement: function(rectangle, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var dataset = me.getDataset();\n                var custom = rectangle.custom || {};\n                var rectangleOptions = chart.options.elements.rectangle;\n\n                rectangle._xScale = me.getScaleForId(meta.xAxisID);\n                rectangle._yScale = me.getScaleForId(meta.yAxisID);\n                rectangle._datasetIndex = me.index;\n                rectangle._index = index;\n\n                rectangle._model = {\n                    datasetLabel: dataset.label,\n                    label: chart.data.labels[index],\n                    borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped,\n                    backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor),\n                    borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor),\n                    borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth)\n                };\n\n                me.updateElementGeometry(rectangle, index, reset);\n\n                rectangle.pivot();\n            },\n\n            /**\n             * @private\n             */\n            updateElementGeometry: function(rectangle, index, reset) {\n                var me = this;\n                var model = rectangle._model;\n                var vscale = me.getValueScale();\n                var base = vscale.getBasePixel();\n                var horizontal = vscale.isHorizontal();\n                var ruler = me._ruler || me.getRuler();\n                var vpixels = me.calculateBarValuePixels(me.index, index);\n                var ipixels = me.calculateBarIndexPixels(me.index, index, ruler);\n\n                model.horizontal = horizontal;\n                model.base = reset ? base : vpixels.base;\n                model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;\n                model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;\n                model.height = horizontal ? ipixels.size : undefined;\n                model.width = horizontal ? undefined : ipixels.size;\n            },\n\n            /**\n             * @private\n             */\n            getValueScaleId: function() {\n                return this.getMeta().yAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getIndexScaleId: function() {\n                return this.getMeta().xAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getValueScale: function() {\n                return this.getScaleForId(this.getValueScaleId());\n            },\n\n            /**\n             * @private\n             */\n            getIndexScale: function() {\n                return this.getScaleForId(this.getIndexScaleId());\n            },\n\n            /**\n             * Returns the effective number of stacks based on groups and bar visibility.\n             * @private\n             */\n            getStackCount: function(last) {\n                var me = this;\n                var chart = me.chart;\n                var scale = me.getIndexScale();\n                var stacked = scale.options.stacked;\n                var ilen = last === undefined ? chart.data.datasets.length : last + 1;\n                var stacks = [];\n                var i, meta;\n\n                for (i = 0; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    if (meta.bar && chart.isDatasetVisible(i) &&\n                        (stacked === false ||\n                        (stacked === true && stacks.indexOf(meta.stack) === -1) ||\n                        (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) {\n                        stacks.push(meta.stack);\n                    }\n                }\n\n                return stacks.length;\n            },\n\n            /**\n             * Returns the stack index for the given dataset based on groups and bar visibility.\n             * @private\n             */\n            getStackIndex: function(datasetIndex) {\n                return this.getStackCount(datasetIndex) - 1;\n            },\n\n            /**\n             * @private\n             */\n            getRuler: function() {\n                var me = this;\n                var scale = me.getIndexScale();\n                var stackCount = me.getStackCount();\n                var datasetIndex = me.index;\n                var pixels = [];\n                var isHorizontal = scale.isHorizontal();\n                var start = isHorizontal ? scale.left : scale.top;\n                var end = start + (isHorizontal ? scale.width : scale.height);\n                var i, ilen;\n\n                for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {\n                    pixels.push(scale.getPixelForValue(null, i, datasetIndex));\n                }\n\n                return {\n                    pixels: pixels,\n                    start: start,\n                    end: end,\n                    stackCount: stackCount,\n                    scale: scale\n                };\n            },\n\n            /**\n             * Note: pixel values are not clamped to the scale area.\n             * @private\n             */\n            calculateBarValuePixels: function(datasetIndex, index) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var scale = me.getValueScale();\n                var datasets = chart.data.datasets;\n                var value = scale.getRightValue(datasets[datasetIndex].data[index]);\n                var stacked = scale.options.stacked;\n                var stack = meta.stack;\n                var start = 0;\n                var i, imeta, ivalue, base, head, size;\n\n                if (stacked || (stacked === undefined && stack !== undefined)) {\n                    for (i = 0; i < datasetIndex; ++i) {\n                        imeta = chart.getDatasetMeta(i);\n\n                        if (imeta.bar &&\n                            imeta.stack === stack &&\n                            imeta.controller.getValueScaleId() === scale.id &&\n                            chart.isDatasetVisible(i)) {\n\n                            ivalue = scale.getRightValue(datasets[i].data[index]);\n                            if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) {\n                                start += ivalue;\n                            }\n                        }\n                    }\n                }\n\n                base = scale.getPixelForValue(start);\n                head = scale.getPixelForValue(start + value);\n                size = (head - base) / 2;\n\n                return {\n                    size: size,\n                    base: base,\n                    head: head,\n                    center: head + size / 2\n                };\n            },\n\n            /**\n             * @private\n             */\n            calculateBarIndexPixels: function(datasetIndex, index, ruler) {\n                var me = this;\n                var options = ruler.scale.options;\n                var stackIndex = me.getStackIndex(datasetIndex);\n                var pixels = ruler.pixels;\n                var base = pixels[index];\n                var length = pixels.length;\n                var start = ruler.start;\n                var end = ruler.end;\n                var leftSampleSize, rightSampleSize, leftCategorySize, rightCategorySize, fullBarSize, size;\n\n                if (length === 1) {\n                    leftSampleSize = base > start ? base - start : end - base;\n                    rightSampleSize = base < end ? end - base : base - start;\n                } else {\n                    if (index > 0) {\n                        leftSampleSize = (base - pixels[index - 1]) / 2;\n                        if (index === length - 1) {\n                            rightSampleSize = leftSampleSize;\n                        }\n                    }\n                    if (index < length - 1) {\n                        rightSampleSize = (pixels[index + 1] - base) / 2;\n                        if (index === 0) {\n                            leftSampleSize = rightSampleSize;\n                        }\n                    }\n                }\n\n                leftCategorySize = leftSampleSize * options.categoryPercentage;\n                rightCategorySize = rightSampleSize * options.categoryPercentage;\n                fullBarSize = (leftCategorySize + rightCategorySize) / ruler.stackCount;\n                size = fullBarSize * options.barPercentage;\n\n                size = Math.min(\n                    helpers.valueOrDefault(options.barThickness, size),\n                    helpers.valueOrDefault(options.maxBarThickness, Infinity));\n\n                base -= leftCategorySize;\n                base += fullBarSize * stackIndex;\n                base += (fullBarSize - size) / 2;\n\n                return {\n                    size: size,\n                    base: base,\n                    head: base + size,\n                    center: base + size / 2\n                };\n            },\n\n            draw: function() {\n                var me = this;\n                var chart = me.chart;\n                var scale = me.getValueScale();\n                var rects = me.getMeta().data;\n                var dataset = me.getDataset();\n                var ilen = rects.length;\n                var i = 0;\n\n                helpers.canvas.clipArea(chart.ctx, chart.chartArea);\n\n                for (; i < ilen; ++i) {\n                    if (!isNaN(scale.getRightValue(dataset.data[i]))) {\n                        rects[i].draw();\n                    }\n                }\n\n                helpers.canvas.unclipArea(chart.ctx);\n            },\n\n            setHoverStyle: function(rectangle) {\n                var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n                var index = rectangle._index;\n                var custom = rectangle.custom || {};\n                var model = rectangle._model;\n\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(rectangle) {\n                var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n                var index = rectangle._index;\n                var custom = rectangle.custom || {};\n                var model = rectangle._model;\n                var rectangleElementOptions = this.chart.options.elements.rectangle;\n\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth);\n            }\n        });\n\n        Chart.controllers.horizontalBar = Chart.controllers.bar.extend({\n            /**\n             * @private\n             */\n            getValueScaleId: function() {\n                return this.getMeta().xAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getIndexScaleId: function() {\n                return this.getMeta().yAxisID;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],16:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('bubble', {\n        hover: {\n            mode: 'single'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'linear', // bubble should probably use a linear scale by default\n                position: 'bottom',\n                id: 'x-axis-0' // need an ID so datasets can reference the scale\n            }],\n            yAxes: [{\n                type: 'linear',\n                position: 'left',\n                id: 'y-axis-0'\n            }]\n        },\n\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    // Title doesn't make sense for scatter since we format the data as a point\n                    return '';\n                },\n                label: function(item, data) {\n                    var datasetLabel = data.datasets[item.datasetIndex].label || '';\n                    var dataPoint = data.datasets[item.datasetIndex].data[item.index];\n                    return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';\n                }\n            }\n        }\n    });\n\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.bubble = Chart.DatasetController.extend({\n            /**\n             * @protected\n             */\n            dataElementType: elements.Point,\n\n            /**\n             * @protected\n             */\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var points = meta.data;\n\n                // Update Points\n                helpers.each(points, function(point, index) {\n                    me.updateElement(point, index, reset);\n                });\n            },\n\n            /**\n             * @protected\n             */\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var custom = point.custom || {};\n                var xScale = me.getScaleForId(meta.xAxisID);\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var options = me._resolveElementOptions(point, index);\n                var data = me.getDataset().data[index];\n                var dsIndex = me.index;\n\n                var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);\n                var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);\n\n                point._xScale = xScale;\n                point._yScale = yScale;\n                point._options = options;\n                point._datasetIndex = dsIndex;\n                point._index = index;\n                point._model = {\n                    backgroundColor: options.backgroundColor,\n                    borderColor: options.borderColor,\n                    borderWidth: options.borderWidth,\n                    hitRadius: options.hitRadius,\n                    pointStyle: options.pointStyle,\n                    radius: reset ? 0 : options.radius,\n                    skip: custom.skip || isNaN(x) || isNaN(y),\n                    x: x,\n                    y: y,\n                };\n\n                point.pivot();\n            },\n\n            /**\n             * @protected\n             */\n            setHoverStyle: function(point) {\n                var model = point._model;\n                var options = point._options;\n\n                model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor));\n                model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor));\n                model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth);\n                model.radius = options.radius + options.hoverRadius;\n            },\n\n            /**\n             * @protected\n             */\n            removeHoverStyle: function(point) {\n                var model = point._model;\n                var options = point._options;\n\n                model.backgroundColor = options.backgroundColor;\n                model.borderColor = options.borderColor;\n                model.borderWidth = options.borderWidth;\n                model.radius = options.radius;\n            },\n\n            /**\n             * @private\n             */\n            _resolveElementOptions: function(point, index) {\n                var me = this;\n                var chart = me.chart;\n                var datasets = chart.data.datasets;\n                var dataset = datasets[me.index];\n                var custom = point.custom || {};\n                var options = chart.options.elements.point;\n                var resolve = helpers.options.resolve;\n                var data = dataset.data[index];\n                var values = {};\n                var i, ilen, key;\n\n                // Scriptable options\n                var context = {\n                    chart: chart,\n                    dataIndex: index,\n                    dataset: dataset,\n                    datasetIndex: me.index\n                };\n\n                var keys = [\n                    'backgroundColor',\n                    'borderColor',\n                    'borderWidth',\n                    'hoverBackgroundColor',\n                    'hoverBorderColor',\n                    'hoverBorderWidth',\n                    'hoverRadius',\n                    'hitRadius',\n                    'pointStyle'\n                ];\n\n                for (i = 0, ilen = keys.length; i < ilen; ++i) {\n                    key = keys[i];\n                    values[key] = resolve([\n                        custom[key],\n                        dataset[key],\n                        options[key]\n                    ], context, index);\n                }\n\n                // Custom radius resolution\n                values.radius = resolve([\n                    custom.radius,\n                    data ? data.r : undefined,\n                    dataset.radius,\n                    options.radius\n                ], context, index);\n\n                return values;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],17:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('doughnut', {\n        animation: {\n            // Boolean - Whether we animate the rotation of the Doughnut\n            animateRotate: true,\n            // Boolean - Whether we animate scaling the Doughnut from the centre\n            animateScale: false\n        },\n        hover: {\n            mode: 'single'\n        },\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n\n            var data = chart.data;\n            var datasets = data.datasets;\n            var labels = data.labels;\n\n            if (datasets.length) {\n                for (var i = 0; i < datasets[0].data.length; ++i) {\n                    text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n                    if (labels[i]) {\n                        text.push(labels[i]);\n                    }\n                    text.push('</li>');\n                }\n            }\n\n            text.push('</ul>');\n            return text.join('');\n        },\n        legend: {\n            labels: {\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    if (data.labels.length && data.datasets.length) {\n                        return data.labels.map(function(label, i) {\n                            var meta = chart.getDatasetMeta(0);\n                            var ds = data.datasets[0];\n                            var arc = meta.data[i];\n                            var custom = arc && arc.custom || {};\n                            var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n                            var arcOpts = chart.options.elements.arc;\n                            var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n                            var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n                            var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n                            return {\n                                text: label,\n                                fillStyle: fill,\n                                strokeStyle: stroke,\n                                lineWidth: bw,\n                                hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n                                // Extra data used for toggling the correct item\n                                index: i\n                            };\n                        });\n                    }\n                    return [];\n                }\n            },\n\n            onClick: function(e, legendItem) {\n                var index = legendItem.index;\n                var chart = this.chart;\n                var i, ilen, meta;\n\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    // toggle visibility of index if exists\n                    if (meta.data[index]) {\n                        meta.data[index].hidden = !meta.data[index].hidden;\n                    }\n                }\n\n                chart.update();\n            }\n        },\n\n        // The percentage of the chart that we cut out of the middle.\n        cutoutPercentage: 50,\n\n        // The rotation of the chart, where the first data arc begins.\n        rotation: Math.PI * -0.5,\n\n        // The total circumference of the chart.\n        circumference: Math.PI * 2.0,\n\n        // Need to override these to give a nice default\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';\n                },\n                label: function(tooltipItem, data) {\n                    var dataLabel = data.labels[tooltipItem.index];\n                    var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];\n\n                    if (helpers.isArray(dataLabel)) {\n                        // show value on first line of multiline label\n                        // need to clone because we are changing the value\n                        dataLabel = dataLabel.slice();\n                        dataLabel[0] += value;\n                    } else {\n                        dataLabel += value;\n                    }\n\n                    return dataLabel;\n                }\n            }\n        }\n    });\n\n    defaults._set('pie', helpers.clone(defaults.doughnut));\n    defaults._set('pie', {\n        cutoutPercentage: 0\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({\n\n            dataElementType: elements.Arc,\n\n            linkScales: helpers.noop,\n\n            // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly\n            getRingIndex: function(datasetIndex) {\n                var ringIndex = 0;\n\n                for (var j = 0; j < datasetIndex; ++j) {\n                    if (this.chart.isDatasetVisible(j)) {\n                        ++ringIndex;\n                    }\n                }\n\n                return ringIndex;\n            },\n\n            update: function(reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var opts = chart.options;\n                var arcOpts = opts.elements.arc;\n                var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth;\n                var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth;\n                var minSize = Math.min(availableWidth, availableHeight);\n                var offset = {x: 0, y: 0};\n                var meta = me.getMeta();\n                var cutoutPercentage = opts.cutoutPercentage;\n                var circumference = opts.circumference;\n\n                // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc\n                if (circumference < Math.PI * 2.0) {\n                    var startAngle = opts.rotation % (Math.PI * 2.0);\n                    startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0);\n                    var endAngle = startAngle + circumference;\n                    var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)};\n                    var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)};\n                    var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle);\n                    var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle);\n                    var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle);\n                    var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle);\n                    var cutout = cutoutPercentage / 100.0;\n                    var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))};\n                    var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))};\n                    var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5};\n                    minSize = Math.min(availableWidth / size.width, availableHeight / size.height);\n                    offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5};\n                }\n\n                chart.borderWidth = me.getMaxBorderWidth(meta.data);\n                chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0);\n                chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0);\n                chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n                chart.offsetX = offset.x * chart.outerRadius;\n                chart.offsetY = offset.y * chart.outerRadius;\n\n                meta.total = me.calculateTotal();\n\n                me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index));\n                me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0);\n\n                helpers.each(meta.data, function(arc, index) {\n                    me.updateElement(arc, index, reset);\n                });\n            },\n\n            updateElement: function(arc, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var opts = chart.options;\n                var animationOpts = opts.animation;\n                var centerX = (chartArea.left + chartArea.right) / 2;\n                var centerY = (chartArea.top + chartArea.bottom) / 2;\n                var startAngle = opts.rotation; // non reset case handled later\n                var endAngle = opts.rotation; // non reset case handled later\n                var dataset = me.getDataset();\n                var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI));\n                var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;\n                var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;\n                var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n                helpers.extend(arc, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n\n                    // Desired view properties\n                    _model: {\n                        x: centerX + chart.offsetX,\n                        y: centerY + chart.offsetY,\n                        startAngle: startAngle,\n                        endAngle: endAngle,\n                        circumference: circumference,\n                        outerRadius: outerRadius,\n                        innerRadius: innerRadius,\n                        label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])\n                    }\n                });\n\n                var model = arc._model;\n                // Resets the visual styles\n                this.removeHoverStyle(arc);\n\n                // Set correct angles if not resetting\n                if (!reset || !animationOpts.animateRotate) {\n                    if (index === 0) {\n                        model.startAngle = opts.rotation;\n                    } else {\n                        model.startAngle = me.getMeta().data[index - 1]._model.endAngle;\n                    }\n\n                    model.endAngle = model.startAngle + model.circumference;\n                }\n\n                arc.pivot();\n            },\n\n            removeHoverStyle: function(arc) {\n                Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n            },\n\n            calculateTotal: function() {\n                var dataset = this.getDataset();\n                var meta = this.getMeta();\n                var total = 0;\n                var value;\n\n                helpers.each(meta.data, function(element, index) {\n                    value = dataset.data[index];\n                    if (!isNaN(value) && !element.hidden) {\n                        total += Math.abs(value);\n                    }\n                });\n\n\t\t\t\t/* if (total === 0) {\n\t\t\t\t total = NaN;\n\t\t\t\t }*/\n\n                return total;\n            },\n\n            calculateCircumference: function(value) {\n                var total = this.getMeta().total;\n                if (total > 0 && !isNaN(value)) {\n                    return (Math.PI * 2.0) * (value / total);\n                }\n                return 0;\n            },\n\n            // gets the max border or hover width to properly scale pie charts\n            getMaxBorderWidth: function(arcs) {\n                var max = 0;\n                var index = this.index;\n                var length = arcs.length;\n                var borderWidth;\n                var hoverWidth;\n\n                for (var i = 0; i < length; i++) {\n                    borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0;\n                    hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0;\n\n                    max = borderWidth > max ? borderWidth : max;\n                    max = hoverWidth > max ? hoverWidth : max;\n                }\n                return max;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],18:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('line', {\n        showLines: true,\n        spanGaps: false,\n\n        hover: {\n            mode: 'label'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'category',\n                id: 'x-axis-0'\n            }],\n            yAxes: [{\n                type: 'linear',\n                id: 'y-axis-0'\n            }]\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        function lineEnabled(dataset, options) {\n            return helpers.valueOrDefault(dataset.showLine, options.showLines);\n        }\n\n        Chart.controllers.line = Chart.DatasetController.extend({\n\n            datasetElementType: elements.Line,\n\n            dataElementType: elements.Point,\n\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var line = meta.dataset;\n                var points = meta.data || [];\n                var options = me.chart.options;\n                var lineElementOptions = options.elements.line;\n                var scale = me.getScaleForId(meta.yAxisID);\n                var i, ilen, custom;\n                var dataset = me.getDataset();\n                var showLine = lineEnabled(dataset, options);\n\n                // Update Line\n                if (showLine) {\n                    custom = line.custom || {};\n\n                    // Compatibility: If the properties are defined with only the old name, use those values\n                    if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n                        dataset.lineTension = dataset.tension;\n                    }\n\n                    // Utility\n                    line._scale = scale;\n                    line._datasetIndex = me.index;\n                    // Data\n                    line._children = points;\n                    // Model\n                    line._model = {\n                        // Appearance\n                        // The default behavior of lines is to break at null values, according\n                        // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158\n                        // This option gives lines the ability to span gaps\n                        spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps,\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n                        borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n                        borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n                        borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n                        borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n                        borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n                        fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n                        steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped),\n                        cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode),\n                    };\n\n                    line.pivot();\n                }\n\n                // Update Points\n                for (i = 0, ilen = points.length; i < ilen; ++i) {\n                    me.updateElement(points[i], i, reset);\n                }\n\n                if (showLine && line._model.tension !== 0) {\n                    me.updateBezierControlPoints();\n                }\n\n                // Now pivot the point for animation\n                for (i = 0, ilen = points.length; i < ilen; ++i) {\n                    points[i].pivot();\n                }\n            },\n\n            getPointBackgroundColor: function(point, index) {\n                var backgroundColor = this.chart.options.elements.point.backgroundColor;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (custom.backgroundColor) {\n                    backgroundColor = custom.backgroundColor;\n                } else if (dataset.pointBackgroundColor) {\n                    backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);\n                } else if (dataset.backgroundColor) {\n                    backgroundColor = dataset.backgroundColor;\n                }\n\n                return backgroundColor;\n            },\n\n            getPointBorderColor: function(point, index) {\n                var borderColor = this.chart.options.elements.point.borderColor;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (custom.borderColor) {\n                    borderColor = custom.borderColor;\n                } else if (dataset.pointBorderColor) {\n                    borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor);\n                } else if (dataset.borderColor) {\n                    borderColor = dataset.borderColor;\n                }\n\n                return borderColor;\n            },\n\n            getPointBorderWidth: function(point, index) {\n                var borderWidth = this.chart.options.elements.point.borderWidth;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (!isNaN(custom.borderWidth)) {\n                    borderWidth = custom.borderWidth;\n                } else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) {\n                    borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);\n                } else if (!isNaN(dataset.borderWidth)) {\n                    borderWidth = dataset.borderWidth;\n                }\n\n                return borderWidth;\n            },\n\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var custom = point.custom || {};\n                var dataset = me.getDataset();\n                var datasetIndex = me.index;\n                var value = dataset.data[index];\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var xScale = me.getScaleForId(meta.xAxisID);\n                var pointOptions = me.chart.options.elements.point;\n                var x, y;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n                if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n                    dataset.pointHitRadius = dataset.hitRadius;\n                }\n\n                x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);\n                y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);\n\n                // Utility\n                point._xScale = xScale;\n                point._yScale = yScale;\n                point._datasetIndex = datasetIndex;\n                point._index = index;\n\n                // Desired view properties\n                point._model = {\n                    x: x,\n                    y: y,\n                    skip: custom.skip || isNaN(x) || isNaN(y),\n                    // Appearance\n                    radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius),\n                    pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle),\n                    backgroundColor: me.getPointBackgroundColor(point, index),\n                    borderColor: me.getPointBorderColor(point, index),\n                    borderWidth: me.getPointBorderWidth(point, index),\n                    tension: meta.dataset._model ? meta.dataset._model.tension : 0,\n                    steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false,\n                    // Tooltip\n                    hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius)\n                };\n            },\n\n            calculatePointY: function(value, index, datasetIndex) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var sumPos = 0;\n                var sumNeg = 0;\n                var i, ds, dsMeta;\n\n                if (yScale.options.stacked) {\n                    for (i = 0; i < datasetIndex; i++) {\n                        ds = chart.data.datasets[i];\n                        dsMeta = chart.getDatasetMeta(i);\n                        if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) {\n                            var stackedRightValue = Number(yScale.getRightValue(ds.data[index]));\n                            if (stackedRightValue < 0) {\n                                sumNeg += stackedRightValue || 0;\n                            } else {\n                                sumPos += stackedRightValue || 0;\n                            }\n                        }\n                    }\n\n                    var rightValue = Number(yScale.getRightValue(value));\n                    if (rightValue < 0) {\n                        return yScale.getPixelForValue(sumNeg + rightValue);\n                    }\n                    return yScale.getPixelForValue(sumPos + rightValue);\n                }\n\n                return yScale.getPixelForValue(value);\n            },\n\n            updateBezierControlPoints: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var area = me.chart.chartArea;\n                var points = (meta.data || []);\n                var i, ilen, point, model, controlPoints;\n\n                // Only consider points that are drawn in case the spanGaps option is used\n                if (meta.dataset._model.spanGaps) {\n                    points = points.filter(function(pt) {\n                        return !pt._model.skip;\n                    });\n                }\n\n                function capControlPoint(pt, min, max) {\n                    return Math.max(Math.min(pt, max), min);\n                }\n\n                if (meta.dataset._model.cubicInterpolationMode === 'monotone') {\n                    helpers.splineCurveMonotone(points);\n                } else {\n                    for (i = 0, ilen = points.length; i < ilen; ++i) {\n                        point = points[i];\n                        model = point._model;\n                        controlPoints = helpers.splineCurve(\n                            helpers.previousItem(points, i)._model,\n                            model,\n                            helpers.nextItem(points, i)._model,\n                            meta.dataset._model.tension\n                        );\n                        model.controlPointPreviousX = controlPoints.previous.x;\n                        model.controlPointPreviousY = controlPoints.previous.y;\n                        model.controlPointNextX = controlPoints.next.x;\n                        model.controlPointNextY = controlPoints.next.y;\n                    }\n                }\n\n                if (me.chart.options.elements.line.capBezierPoints) {\n                    for (i = 0, ilen = points.length; i < ilen; ++i) {\n                        model = points[i]._model;\n                        model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);\n                        model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);\n                        model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);\n                        model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);\n                    }\n                }\n            },\n\n            draw: function() {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var points = meta.data || [];\n                var area = chart.chartArea;\n                var ilen = points.length;\n                var i = 0;\n\n                helpers.canvas.clipArea(chart.ctx, area);\n\n                if (lineEnabled(me.getDataset(), chart.options)) {\n                    meta.dataset.draw();\n                }\n\n                helpers.canvas.unclipArea(chart.ctx);\n\n                // Draw the points\n                for (; i < ilen; ++i) {\n                    points[i].draw(area);\n                }\n            },\n\n            setHoverStyle: function(point) {\n                // Point\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var index = point._index;\n                var custom = point.custom || {};\n                var model = point._model;\n\n                model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n                model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(point) {\n                var me = this;\n                var dataset = me.chart.data.datasets[point._datasetIndex];\n                var index = point._index;\n                var custom = point.custom || {};\n                var model = point._model;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n\n                model.radius = custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, me.chart.options.elements.point.radius);\n                model.backgroundColor = me.getPointBackgroundColor(point, index);\n                model.borderColor = me.getPointBorderColor(point, index);\n                model.borderWidth = me.getPointBorderWidth(point, index);\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],19:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('polarArea', {\n        scale: {\n            type: 'radialLinear',\n            angleLines: {\n                display: false\n            },\n            gridLines: {\n                circular: true\n            },\n            pointLabels: {\n                display: false\n            },\n            ticks: {\n                beginAtZero: true\n            }\n        },\n\n        // Boolean - Whether to animate the rotation of the chart\n        animation: {\n            animateRotate: true,\n            animateScale: true\n        },\n\n        startAngle: -0.5 * Math.PI,\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n\n            var data = chart.data;\n            var datasets = data.datasets;\n            var labels = data.labels;\n\n            if (datasets.length) {\n                for (var i = 0; i < datasets[0].data.length; ++i) {\n                    text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n                    if (labels[i]) {\n                        text.push(labels[i]);\n                    }\n                    text.push('</li>');\n                }\n            }\n\n            text.push('</ul>');\n            return text.join('');\n        },\n        legend: {\n            labels: {\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    if (data.labels.length && data.datasets.length) {\n                        return data.labels.map(function(label, i) {\n                            var meta = chart.getDatasetMeta(0);\n                            var ds = data.datasets[0];\n                            var arc = meta.data[i];\n                            var custom = arc.custom || {};\n                            var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n                            var arcOpts = chart.options.elements.arc;\n                            var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n                            var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n                            var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n                            return {\n                                text: label,\n                                fillStyle: fill,\n                                strokeStyle: stroke,\n                                lineWidth: bw,\n                                hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n                                // Extra data used for toggling the correct item\n                                index: i\n                            };\n                        });\n                    }\n                    return [];\n                }\n            },\n\n            onClick: function(e, legendItem) {\n                var index = legendItem.index;\n                var chart = this.chart;\n                var i, ilen, meta;\n\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    meta.data[index].hidden = !meta.data[index].hidden;\n                }\n\n                chart.update();\n            }\n        },\n\n        // Need to override these to give a nice default\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';\n                },\n                label: function(item, data) {\n                    return data.labels[item.index] + ': ' + item.yLabel;\n                }\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.polarArea = Chart.DatasetController.extend({\n\n            dataElementType: elements.Arc,\n\n            linkScales: helpers.noop,\n\n            update: function(reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var meta = me.getMeta();\n                var opts = chart.options;\n                var arcOpts = opts.elements.arc;\n                var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\n                chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0);\n                chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);\n                chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n\n                me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);\n                me.innerRadius = me.outerRadius - chart.radiusLength;\n\n                meta.count = me.countVisibleElements();\n\n                helpers.each(meta.data, function(arc, index) {\n                    me.updateElement(arc, index, reset);\n                });\n            },\n\n            updateElement: function(arc, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var dataset = me.getDataset();\n                var opts = chart.options;\n                var animationOpts = opts.animation;\n                var scale = chart.scale;\n                var labels = chart.data.labels;\n\n                var circumference = me.calculateCircumference(dataset.data[index]);\n                var centerX = scale.xCenter;\n                var centerY = scale.yCenter;\n\n                // If there is NaN data before us, we need to calculate the starting angle correctly.\n                // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data\n                var visibleCount = 0;\n                var meta = me.getMeta();\n                for (var i = 0; i < index; ++i) {\n                    if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) {\n                        ++visibleCount;\n                    }\n                }\n\n                // var negHalfPI = -0.5 * Math.PI;\n                var datasetStartAngle = opts.startAngle;\n                var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n                var startAngle = datasetStartAngle + (circumference * visibleCount);\n                var endAngle = startAngle + (arc.hidden ? 0 : circumference);\n\n                var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n\n                helpers.extend(arc, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n                    _scale: scale,\n\n                    // Desired view properties\n                    _model: {\n                        x: centerX,\n                        y: centerY,\n                        innerRadius: 0,\n                        outerRadius: reset ? resetRadius : distance,\n                        startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,\n                        endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,\n                        label: helpers.valueAtIndexOrDefault(labels, index, labels[index])\n                    }\n                });\n\n                // Apply border and fill style\n                me.removeHoverStyle(arc);\n\n                arc.pivot();\n            },\n\n            removeHoverStyle: function(arc) {\n                Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n            },\n\n            countVisibleElements: function() {\n                var dataset = this.getDataset();\n                var meta = this.getMeta();\n                var count = 0;\n\n                helpers.each(meta.data, function(element, index) {\n                    if (!isNaN(dataset.data[index]) && !element.hidden) {\n                        count++;\n                    }\n                });\n\n                return count;\n            },\n\n            calculateCircumference: function(value) {\n                var count = this.getMeta().count;\n                if (count > 0 && !isNaN(value)) {\n                    return (2 * Math.PI) / count;\n                }\n                return 0;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],20:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('radar', {\n        scale: {\n            type: 'radialLinear'\n        },\n        elements: {\n            line: {\n                tension: 0 // no bezier in radar\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.radar = Chart.DatasetController.extend({\n\n            datasetElementType: elements.Line,\n\n            dataElementType: elements.Point,\n\n            linkScales: helpers.noop,\n\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var line = meta.dataset;\n                var points = meta.data;\n                var custom = line.custom || {};\n                var dataset = me.getDataset();\n                var lineElementOptions = me.chart.options.elements.line;\n                var scale = me.chart.scale;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n                    dataset.lineTension = dataset.tension;\n                }\n\n                helpers.extend(meta.dataset, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _scale: scale,\n                    // Data\n                    _children: points,\n                    _loop: true,\n                    // Model\n                    _model: {\n                        // Appearance\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n                        borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n                        fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n                        borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n                        borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n                        borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n                        borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n                    }\n                });\n\n                meta.dataset.pivot();\n\n                // Update Points\n                helpers.each(points, function(point, index) {\n                    me.updateElement(point, index, reset);\n                }, me);\n\n                // Update bezier control points\n                me.updateBezierControlPoints();\n            },\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var custom = point.custom || {};\n                var dataset = me.getDataset();\n                var scale = me.chart.scale;\n                var pointElementOptions = me.chart.options.elements.point;\n                var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n                if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n                    dataset.pointHitRadius = dataset.hitRadius;\n                }\n\n                helpers.extend(point, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n                    _scale: scale,\n\n                    // Desired view properties\n                    _model: {\n                        x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales\n                        y: reset ? scale.yCenter : pointPosition.y,\n\n                        // Appearance\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension),\n                        radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor),\n                        borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth),\n                        pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle),\n\n                        // Tooltip\n                        hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius)\n                    }\n                });\n\n                point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));\n            },\n            updateBezierControlPoints: function() {\n                var chartArea = this.chart.chartArea;\n                var meta = this.getMeta();\n\n                helpers.each(meta.data, function(point, index) {\n                    var model = point._model;\n                    var controlPoints = helpers.splineCurve(\n                        helpers.previousItem(meta.data, index, true)._model,\n                        model,\n                        helpers.nextItem(meta.data, index, true)._model,\n                        model.tension\n                    );\n\n                    // Prevent the bezier going outside of the bounds of the graph\n                    model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left);\n                    model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top);\n\n                    model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left);\n                    model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top);\n\n                    // Now pivot the point for animation\n                    point.pivot();\n                });\n            },\n\n            setHoverStyle: function(point) {\n                // Point\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var custom = point.custom || {};\n                var index = point._index;\n                var model = point._model;\n\n                model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(point) {\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var custom = point.custom || {};\n                var index = point._index;\n                var model = point._model;\n                var pointElementOptions = this.chart.options.elements.point;\n\n                model.radius = custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius);\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth);\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],21:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n\n    defaults._set('scatter', {\n        hover: {\n            mode: 'single'\n        },\n\n        scales: {\n            xAxes: [{\n                id: 'x-axis-1',    // need an ID so datasets can reference the scale\n                type: 'linear',    // scatter should not use a category axis\n                position: 'bottom'\n            }],\n            yAxes: [{\n                id: 'y-axis-1',\n                type: 'linear',\n                position: 'left'\n            }]\n        },\n\n        showLines: false,\n\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';     // doesn't make sense for scatter since data are formatted as a point\n                },\n                label: function(item) {\n                    return '(' + item.xLabel + ', ' + item.yLabel + ')';\n                }\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        // Scatter charts use line controllers\n        Chart.controllers.scatter = Chart.controllers.line;\n\n    };\n\n},{\"25\":25}],22:[function(require,module,exports){\n\t/* global window: false */\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        animation: {\n            duration: 1000,\n            easing: 'easeOutQuart',\n            onProgress: helpers.noop,\n            onComplete: helpers.noop\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.Animation = Element.extend({\n            chart: null, // the animation associated chart instance\n            currentStep: 0, // the current animation step\n            numSteps: 60, // default number of steps\n            easing: '', // the easing to use for this animation\n            render: null, // render function used by the animation service\n\n            onAnimationProgress: null, // user specified callback to fire on each step of the animation\n            onAnimationComplete: null, // user specified callback to fire when the animation finishes\n        });\n\n        Chart.animationService = {\n            frameDuration: 17,\n            animations: [],\n            dropFrames: 0,\n            request: null,\n\n            /**\n             * @param {Chart} chart - The chart to animate.\n             * @param {Chart.Animation} animation - The animation that we will animate.\n             * @param {Number} duration - The animation duration in ms.\n             * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions\n             */\n            addAnimation: function(chart, animation, duration, lazy) {\n                var animations = this.animations;\n                var i, ilen;\n\n                animation.chart = chart;\n\n                if (!lazy) {\n                    chart.animating = true;\n                }\n\n                for (i = 0, ilen = animations.length; i < ilen; ++i) {\n                    if (animations[i].chart === chart) {\n                        animations[i] = animation;\n                        return;\n                    }\n                }\n\n                animations.push(animation);\n\n                // If there are no animations queued, manually kickstart a digest, for lack of a better word\n                if (animations.length === 1) {\n                    this.requestAnimationFrame();\n                }\n            },\n\n            cancelAnimation: function(chart) {\n                var index = helpers.findIndex(this.animations, function(animation) {\n                    return animation.chart === chart;\n                });\n\n                if (index !== -1) {\n                    this.animations.splice(index, 1);\n                    chart.animating = false;\n                }\n            },\n\n            requestAnimationFrame: function() {\n                var me = this;\n                if (me.request === null) {\n                    // Skip animation frame requests until the active one is executed.\n                    // This can happen when processing mouse events, e.g. 'mousemove'\n                    // and 'mouseout' events will trigger multiple renders.\n                    me.request = helpers.requestAnimFrame.call(window, function() {\n                        me.request = null;\n                        me.startDigest();\n                    });\n                }\n            },\n\n            /**\n             * @private\n             */\n            startDigest: function() {\n                var me = this;\n                var startTime = Date.now();\n                var framesToDrop = 0;\n\n                if (me.dropFrames > 1) {\n                    framesToDrop = Math.floor(me.dropFrames);\n                    me.dropFrames = me.dropFrames % 1;\n                }\n\n                me.advance(1 + framesToDrop);\n\n                var endTime = Date.now();\n\n                me.dropFrames += (endTime - startTime) / me.frameDuration;\n\n                // Do we have more stuff to animate?\n                if (me.animations.length > 0) {\n                    me.requestAnimationFrame();\n                }\n            },\n\n            /**\n             * @private\n             */\n            advance: function(count) {\n                var animations = this.animations;\n                var animation, chart;\n                var i = 0;\n\n                while (i < animations.length) {\n                    animation = animations[i];\n                    chart = animation.chart;\n\n                    animation.currentStep = (animation.currentStep || 0) + count;\n                    animation.currentStep = Math.min(animation.currentStep, animation.numSteps);\n\n                    helpers.callback(animation.render, [chart, animation], chart);\n                    helpers.callback(animation.onAnimationProgress, [animation], chart);\n\n                    if (animation.currentStep >= animation.numSteps) {\n                        helpers.callback(animation.onAnimationComplete, [animation], chart);\n                        chart.animating = false;\n                        animations.splice(i, 1);\n                    } else {\n                        ++i;\n                    }\n                }\n            }\n        };\n\n        /**\n         * Provided for backward compatibility, use Chart.Animation instead\n         * @prop Chart.Animation#animationObject\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         */\n        Object.defineProperty(Chart.Animation.prototype, 'animationObject', {\n            get: function() {\n                return this;\n            }\n        });\n\n        /**\n         * Provided for backward compatibility, use Chart.Animation#chart instead\n         * @prop Chart.Animation#chartInstance\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         */\n        Object.defineProperty(Chart.Animation.prototype, 'chartInstance', {\n            get: function() {\n                return this.chart;\n            },\n            set: function(value) {\n                this.chart = value;\n            }\n        });\n\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],23:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Interaction = require(28);\n    var platform = require(48);\n\n    module.exports = function(Chart) {\n        var plugins = Chart.plugins;\n\n        // Create a dictionary of chart types, to allow for extension of existing types\n        Chart.types = {};\n\n        // Store a reference to each instance - allowing us to globally resize chart instances on window resize.\n        // Destroy method on the chart will remove the instance of the chart from this reference.\n        Chart.instances = {};\n\n        // Controllers available for dataset visualization eg. bar, line, slice, etc.\n        Chart.controllers = {};\n\n        /**\n         * Initializes the given config with global and chart default values.\n         */\n        function initConfig(config) {\n            config = config || {};\n\n            // Do NOT use configMerge() for the data object because this method merges arrays\n            // and so would change references to labels and datasets, preventing data updates.\n            var data = config.data = config.data || {};\n            data.datasets = data.datasets || [];\n            data.labels = data.labels || [];\n\n            config.options = helpers.configMerge(\n                defaults.global,\n                defaults[config.type],\n                config.options || {});\n\n            return config;\n        }\n\n        /**\n         * Updates the config of the chart\n         * @param chart {Chart} chart to update the options for\n         */\n        function updateConfig(chart) {\n            var newOptions = chart.options;\n\n            // Update Scale(s) with options\n            if (newOptions.scale) {\n                chart.scale.options = newOptions.scale;\n            } else if (newOptions.scales) {\n                newOptions.scales.xAxes.concat(newOptions.scales.yAxes).forEach(function(scaleOptions) {\n                    chart.scales[scaleOptions.id].options = scaleOptions;\n                });\n            }\n\n            // Tooltip\n            chart.tooltip._options = newOptions.tooltips;\n        }\n\n        function positionIsHorizontal(position) {\n            return position === 'top' || position === 'bottom';\n        }\n\n        helpers.extend(Chart.prototype, /** @lends Chart */ {\n            /**\n             * @private\n             */\n            construct: function(item, config) {\n                var me = this;\n\n                config = initConfig(config);\n\n                var context = platform.acquireContext(item, config);\n                var canvas = context && context.canvas;\n                var height = canvas && canvas.height;\n                var width = canvas && canvas.width;\n\n                me.id = helpers.uid();\n                me.ctx = context;\n                me.canvas = canvas;\n                me.config = config;\n                me.width = width;\n                me.height = height;\n                me.aspectRatio = height ? width / height : null;\n                me.options = config.options;\n                me._bufferedRender = false;\n\n                /**\n                 * Provided for backward compatibility, Chart and Chart.Controller have been merged,\n                 * the \"instance\" still need to be defined since it might be called from plugins.\n                 * @prop Chart#chart\n                 * @deprecated since version 2.6.0\n                 * @todo remove at version 3\n                 * @private\n                 */\n                me.chart = me;\n                me.controller = me; // chart.chart.controller #inception\n\n                // Add the chart instance to the global namespace\n                Chart.instances[me.id] = me;\n\n                // Define alias to the config data: `chart.data === chart.config.data`\n                Object.defineProperty(me, 'data', {\n                    get: function() {\n                        return me.config.data;\n                    },\n                    set: function(value) {\n                        me.config.data = value;\n                    }\n                });\n\n                if (!context || !canvas) {\n                    // The given item is not a compatible context2d element, let's return before finalizing\n                    // the chart initialization but after setting basic chart / controller properties that\n                    // can help to figure out that the chart is not valid (e.g chart.canvas !== null);\n                    // https://github.com/chartjs/Chart.js/issues/2807\n                    console.error(\"Failed to create chart: can't acquire context from the given item\");\n                    return;\n                }\n\n                me.initialize();\n                me.update();\n            },\n\n            /**\n             * @private\n             */\n            initialize: function() {\n                var me = this;\n\n                // Before init plugin notification\n                plugins.notify(me, 'beforeInit');\n\n                helpers.retinaScale(me, me.options.devicePixelRatio);\n\n                me.bindEvents();\n\n                if (me.options.responsive) {\n                    // Initial resize before chart draws (must be silent to preserve initial animations).\n                    me.resize(true);\n                }\n\n                // Make sure scales have IDs and are built before we build any controllers.\n                me.ensureScalesHaveIDs();\n                me.buildScales();\n                me.initToolTip();\n\n                // After init plugin notification\n                plugins.notify(me, 'afterInit');\n\n                return me;\n            },\n\n            clear: function() {\n                helpers.canvas.clear(this);\n                return this;\n            },\n\n            stop: function() {\n                // Stops any current animation loop occurring\n                Chart.animationService.cancelAnimation(this);\n                return this;\n            },\n\n            resize: function(silent) {\n                var me = this;\n                var options = me.options;\n                var canvas = me.canvas;\n                var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null;\n\n                // the canvas render width and height will be casted to integers so make sure that\n                // the canvas display style uses the same integer values to avoid blurring effect.\n\n                // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collased\n                var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas)));\n                var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)));\n\n                if (me.width === newWidth && me.height === newHeight) {\n                    return;\n                }\n\n                canvas.width = me.width = newWidth;\n                canvas.height = me.height = newHeight;\n                canvas.style.width = newWidth + 'px';\n                canvas.style.height = newHeight + 'px';\n\n                helpers.retinaScale(me, options.devicePixelRatio);\n\n                if (!silent) {\n                    // Notify any plugins about the resize\n                    var newSize = {width: newWidth, height: newHeight};\n                    plugins.notify(me, 'resize', [newSize]);\n\n                    // Notify of resize\n                    if (me.options.onResize) {\n                        me.options.onResize(me, newSize);\n                    }\n\n                    me.stop();\n                    me.update(me.options.responsiveAnimationDuration);\n                }\n            },\n\n            ensureScalesHaveIDs: function() {\n                var options = this.options;\n                var scalesOptions = options.scales || {};\n                var scaleOptions = options.scale;\n\n                helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) {\n                    xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index);\n                });\n\n                helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) {\n                    yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index);\n                });\n\n                if (scaleOptions) {\n                    scaleOptions.id = scaleOptions.id || 'scale';\n                }\n            },\n\n            /**\n             * Builds a map of scale ID to scale object for future lookup.\n             */\n            buildScales: function() {\n                var me = this;\n                var options = me.options;\n                var scales = me.scales = {};\n                var items = [];\n\n                if (options.scales) {\n                    items = items.concat(\n                        (options.scales.xAxes || []).map(function(xAxisOptions) {\n                            return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'};\n                        }),\n                        (options.scales.yAxes || []).map(function(yAxisOptions) {\n                            return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};\n                        })\n                    );\n                }\n\n                if (options.scale) {\n                    items.push({\n                        options: options.scale,\n                        dtype: 'radialLinear',\n                        isDefault: true,\n                        dposition: 'chartArea'\n                    });\n                }\n\n                helpers.each(items, function(item) {\n                    var scaleOptions = item.options;\n                    var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype);\n                    var scaleClass = Chart.scaleService.getScaleConstructor(scaleType);\n                    if (!scaleClass) {\n                        return;\n                    }\n\n                    if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {\n                        scaleOptions.position = item.dposition;\n                    }\n\n                    var scale = new scaleClass({\n                        id: scaleOptions.id,\n                        options: scaleOptions,\n                        ctx: me.ctx,\n                        chart: me\n                    });\n\n                    scales[scale.id] = scale;\n                    scale.mergeTicksOptions();\n\n                    // TODO(SB): I think we should be able to remove this custom case (options.scale)\n                    // and consider it as a regular scale part of the \"scales\"\" map only! This would\n                    // make the logic easier and remove some useless? custom code.\n                    if (item.isDefault) {\n                        me.scale = scale;\n                    }\n                });\n\n                Chart.scaleService.addScalesToLayout(this);\n            },\n\n            buildOrUpdateControllers: function() {\n                var me = this;\n                var types = [];\n                var newControllers = [];\n\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    var meta = me.getDatasetMeta(datasetIndex);\n                    var type = dataset.type || me.config.type;\n\n                    if (meta.type && meta.type !== type) {\n                        me.destroyDatasetMeta(datasetIndex);\n                        meta = me.getDatasetMeta(datasetIndex);\n                    }\n                    meta.type = type;\n\n                    types.push(meta.type);\n\n                    if (meta.controller) {\n                        meta.controller.updateIndex(datasetIndex);\n                    } else {\n                        var ControllerClass = Chart.controllers[meta.type];\n                        if (ControllerClass === undefined) {\n                            throw new Error('\"' + meta.type + '\" is not a chart type.');\n                        }\n\n                        meta.controller = new ControllerClass(me, datasetIndex);\n                        newControllers.push(meta.controller);\n                    }\n                }, me);\n\n                return newControllers;\n            },\n\n            /**\n             * Reset the elements of all datasets\n             * @private\n             */\n            resetElements: function() {\n                var me = this;\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    me.getDatasetMeta(datasetIndex).controller.reset();\n                }, me);\n            },\n\n            /**\n             * Resets the chart back to it's state before the initial animation\n             */\n            reset: function() {\n                this.resetElements();\n                this.tooltip.initialize();\n            },\n\n            update: function(config) {\n                var me = this;\n\n                if (!config || typeof config !== 'object') {\n                    // backwards compatibility\n                    config = {\n                        duration: config,\n                        lazy: arguments[1]\n                    };\n                }\n\n                updateConfig(me);\n\n                if (plugins.notify(me, 'beforeUpdate') === false) {\n                    return;\n                }\n\n                // In case the entire data object changed\n                me.tooltip._data = me.data;\n\n                // Make sure dataset controllers are updated and new controllers are reset\n                var newControllers = me.buildOrUpdateControllers();\n\n                // Make sure all dataset controllers have correct meta data counts\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements();\n                }, me);\n\n                me.updateLayout();\n\n                // Can only reset the new controllers after the scales have been updated\n                helpers.each(newControllers, function(controller) {\n                    controller.reset();\n                });\n\n                me.updateDatasets();\n\n                // Do this before render so that any plugins that need final scale updates can use it\n                plugins.notify(me, 'afterUpdate');\n\n                if (me._bufferedRender) {\n                    me._bufferedRequest = {\n                        duration: config.duration,\n                        easing: config.easing,\n                        lazy: config.lazy\n                    };\n                } else {\n                    me.render(config);\n                }\n            },\n\n            /**\n             * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`\n             * hook, in which case, plugins will not be called on `afterLayout`.\n             * @private\n             */\n            updateLayout: function() {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeLayout') === false) {\n                    return;\n                }\n\n                Chart.layoutService.update(this, this.width, this.height);\n\n                /**\n                 * Provided for backward compatibility, use `afterLayout` instead.\n                 * @method IPlugin#afterScaleUpdate\n                 * @deprecated since version 2.5.0\n                 * @todo remove at version 3\n                 * @private\n                 */\n                plugins.notify(me, 'afterScaleUpdate');\n                plugins.notify(me, 'afterLayout');\n            },\n\n            /**\n             * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`\n             * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.\n             * @private\n             */\n            updateDatasets: function() {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeDatasetsUpdate') === false) {\n                    return;\n                }\n\n                for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n                    me.updateDataset(i);\n                }\n\n                plugins.notify(me, 'afterDatasetsUpdate');\n            },\n\n            /**\n             * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`\n             * hook, in which case, plugins will not be called on `afterDatasetUpdate`.\n             * @private\n             */\n            updateDataset: function(index) {\n                var me = this;\n                var meta = me.getDatasetMeta(index);\n                var args = {\n                    meta: meta,\n                    index: index\n                };\n\n                if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {\n                    return;\n                }\n\n                meta.controller.update();\n\n                plugins.notify(me, 'afterDatasetUpdate', [args]);\n            },\n\n            render: function(config) {\n                var me = this;\n\n                if (!config || typeof config !== 'object') {\n                    // backwards compatibility\n                    config = {\n                        duration: config,\n                        lazy: arguments[1]\n                    };\n                }\n\n                var duration = config.duration;\n                var lazy = config.lazy;\n\n                if (plugins.notify(me, 'beforeRender') === false) {\n                    return;\n                }\n\n                var animationOptions = me.options.animation;\n                var onComplete = function(animation) {\n                    plugins.notify(me, 'afterRender');\n                    helpers.callback(animationOptions && animationOptions.onComplete, [animation], me);\n                };\n\n                if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) {\n                    var animation = new Chart.Animation({\n                        numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps\n                        easing: config.easing || animationOptions.easing,\n\n                        render: function(chart, animationObject) {\n                            var easingFunction = helpers.easing.effects[animationObject.easing];\n                            var currentStep = animationObject.currentStep;\n                            var stepDecimal = currentStep / animationObject.numSteps;\n\n                            chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);\n                        },\n\n                        onAnimationProgress: animationOptions.onProgress,\n                        onAnimationComplete: onComplete\n                    });\n\n                    Chart.animationService.addAnimation(me, animation, duration, lazy);\n                } else {\n                    me.draw();\n\n                    // See https://github.com/chartjs/Chart.js/issues/3781\n                    onComplete(new Chart.Animation({numSteps: 0, chart: me}));\n                }\n\n                return me;\n            },\n\n            draw: function(easingValue) {\n                var me = this;\n\n                me.clear();\n\n                if (helpers.isNullOrUndef(easingValue)) {\n                    easingValue = 1;\n                }\n\n                me.transition(easingValue);\n\n                if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) {\n                    return;\n                }\n\n                // Draw all the scales\n                helpers.each(me.boxes, function(box) {\n                    box.draw(me.chartArea);\n                }, me);\n\n                if (me.scale) {\n                    me.scale.draw();\n                }\n\n                me.drawDatasets(easingValue);\n\n                // Finally draw the tooltip\n                me.tooltip.draw();\n\n                plugins.notify(me, 'afterDraw', [easingValue]);\n            },\n\n            /**\n             * @private\n             */\n            transition: function(easingValue) {\n                var me = this;\n\n                for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {\n                    if (me.isDatasetVisible(i)) {\n                        me.getDatasetMeta(i).controller.transition(easingValue);\n                    }\n                }\n\n                me.tooltip.transition(easingValue);\n            },\n\n            /**\n             * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`\n             * hook, in which case, plugins will not be called on `afterDatasetsDraw`.\n             * @private\n             */\n            drawDatasets: function(easingValue) {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) {\n                    return;\n                }\n\n                // Draw datasets reversed to support proper line stacking\n                for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) {\n                    if (me.isDatasetVisible(i)) {\n                        me.drawDataset(i, easingValue);\n                    }\n                }\n\n                plugins.notify(me, 'afterDatasetsDraw', [easingValue]);\n            },\n\n            /**\n             * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`\n             * hook, in which case, plugins will not be called on `afterDatasetDraw`.\n             * @private\n             */\n            drawDataset: function(index, easingValue) {\n                var me = this;\n                var meta = me.getDatasetMeta(index);\n                var args = {\n                    meta: meta,\n                    index: index,\n                    easingValue: easingValue\n                };\n\n                if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {\n                    return;\n                }\n\n                meta.controller.draw(easingValue);\n\n                plugins.notify(me, 'afterDatasetDraw', [args]);\n            },\n\n            // Get the single element that was clicked on\n            // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw\n            getElementAtEvent: function(e) {\n                return Interaction.modes.single(this, e);\n            },\n\n            getElementsAtEvent: function(e) {\n                return Interaction.modes.label(this, e, {intersect: true});\n            },\n\n            getElementsAtXAxis: function(e) {\n                return Interaction.modes['x-axis'](this, e, {intersect: true});\n            },\n\n            getElementsAtEventForMode: function(e, mode, options) {\n                var method = Interaction.modes[mode];\n                if (typeof method === 'function') {\n                    return method(this, e, options);\n                }\n\n                return [];\n            },\n\n            getDatasetAtEvent: function(e) {\n                return Interaction.modes.dataset(this, e, {intersect: true});\n            },\n\n            getDatasetMeta: function(datasetIndex) {\n                var me = this;\n                var dataset = me.data.datasets[datasetIndex];\n                if (!dataset._meta) {\n                    dataset._meta = {};\n                }\n\n                var meta = dataset._meta[me.id];\n                if (!meta) {\n                    meta = dataset._meta[me.id] = {\n                        type: null,\n                        data: [],\n                        dataset: null,\n                        controller: null,\n                        hidden: null,\t\t\t// See isDatasetVisible() comment\n                        xAxisID: null,\n                        yAxisID: null\n                    };\n                }\n\n                return meta;\n            },\n\n            getVisibleDatasetCount: function() {\n                var count = 0;\n                for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n                    if (this.isDatasetVisible(i)) {\n                        count++;\n                    }\n                }\n                return count;\n            },\n\n            isDatasetVisible: function(datasetIndex) {\n                var meta = this.getDatasetMeta(datasetIndex);\n\n                // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,\n                // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.\n                return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden;\n            },\n\n            generateLegend: function() {\n                return this.options.legendCallback(this);\n            },\n\n            /**\n             * @private\n             */\n            destroyDatasetMeta: function(datasetIndex) {\n                var id = this.id;\n                var dataset = this.data.datasets[datasetIndex];\n                var meta = dataset._meta && dataset._meta[id];\n\n                if (meta) {\n                    meta.controller.destroy();\n                    delete dataset._meta[id];\n                }\n            },\n\n            destroy: function() {\n                var me = this;\n                var canvas = me.canvas;\n                var i, ilen;\n\n                me.stop();\n\n                // dataset controllers need to cleanup associated data\n                for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n                    me.destroyDatasetMeta(i);\n                }\n\n                if (canvas) {\n                    me.unbindEvents();\n                    helpers.canvas.clear(me);\n                    platform.releaseContext(me.ctx);\n                    me.canvas = null;\n                    me.ctx = null;\n                }\n\n                plugins.notify(me, 'destroy');\n\n                delete Chart.instances[me.id];\n            },\n\n            toBase64Image: function() {\n                return this.canvas.toDataURL.apply(this.canvas, arguments);\n            },\n\n            initToolTip: function() {\n                var me = this;\n                me.tooltip = new Chart.Tooltip({\n                    _chart: me,\n                    _chartInstance: me, // deprecated, backward compatibility\n                    _data: me.data,\n                    _options: me.options.tooltips\n                }, me);\n            },\n\n            /**\n             * @private\n             */\n            bindEvents: function() {\n                var me = this;\n                var listeners = me._listeners = {};\n                var listener = function() {\n                    me.eventHandler.apply(me, arguments);\n                };\n\n                helpers.each(me.options.events, function(type) {\n                    platform.addEventListener(me, type, listener);\n                    listeners[type] = listener;\n                });\n\n                // Elements used to detect size change should not be injected for non responsive charts.\n                // See https://github.com/chartjs/Chart.js/issues/2210\n                if (me.options.responsive) {\n                    listener = function() {\n                        me.resize();\n                    };\n\n                    platform.addEventListener(me, 'resize', listener);\n                    listeners.resize = listener;\n                }\n            },\n\n            /**\n             * @private\n             */\n            unbindEvents: function() {\n                var me = this;\n                var listeners = me._listeners;\n                if (!listeners) {\n                    return;\n                }\n\n                delete me._listeners;\n                helpers.each(listeners, function(listener, type) {\n                    platform.removeEventListener(me, type, listener);\n                });\n            },\n\n            updateHoverStyle: function(elements, mode, enabled) {\n                var method = enabled ? 'setHoverStyle' : 'removeHoverStyle';\n                var element, i, ilen;\n\n                for (i = 0, ilen = elements.length; i < ilen; ++i) {\n                    element = elements[i];\n                    if (element) {\n                        this.getDatasetMeta(element._datasetIndex).controller[method](element);\n                    }\n                }\n            },\n\n            /**\n             * @private\n             */\n            eventHandler: function(e) {\n                var me = this;\n                var tooltip = me.tooltip;\n\n                if (plugins.notify(me, 'beforeEvent', [e]) === false) {\n                    return;\n                }\n\n                // Buffer any update calls so that renders do not occur\n                me._bufferedRender = true;\n                me._bufferedRequest = null;\n\n                var changed = me.handleEvent(e);\n                changed |= tooltip && tooltip.handleEvent(e);\n\n                plugins.notify(me, 'afterEvent', [e]);\n\n                var bufferedRequest = me._bufferedRequest;\n                if (bufferedRequest) {\n                    // If we have an update that was triggered, we need to do a normal render\n                    me.render(bufferedRequest);\n                } else if (changed && !me.animating) {\n                    // If entering, leaving, or changing elements, animate the change via pivot\n                    me.stop();\n\n                    // We only need to render at this point. Updating will cause scales to be\n                    // recomputed generating flicker & using more memory than necessary.\n                    me.render(me.options.hover.animationDuration, true);\n                }\n\n                me._bufferedRender = false;\n                me._bufferedRequest = null;\n\n                return me;\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event the event to handle\n             * @return {Boolean} true if the chart needs to re-render\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var options = me.options || {};\n                var hoverOptions = options.hover;\n                var changed = false;\n\n                me.lastActive = me.lastActive || [];\n\n                // Find Active Elements for hover and tooltips\n                if (e.type === 'mouseout') {\n                    me.active = [];\n                } else {\n                    me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions);\n                }\n\n                // Invoke onHover hook\n                // Need to call with native event here to not break backwards compatibility\n                helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);\n\n                if (e.type === 'mouseup' || e.type === 'click') {\n                    if (options.onClick) {\n                        // Use e.native here for backwards compatibility\n                        options.onClick.call(me, e.native, me.active);\n                    }\n                }\n\n                // Remove styling for last active (even if it may still be active)\n                if (me.lastActive.length) {\n                    me.updateHoverStyle(me.lastActive, hoverOptions.mode, false);\n                }\n\n                // Built in hover styling\n                if (me.active.length && hoverOptions.mode) {\n                    me.updateHoverStyle(me.active, hoverOptions.mode, true);\n                }\n\n                changed = !helpers.arrayEquals(me.active, me.lastActive);\n\n                // Remember Last Actives\n                me.lastActive = me.active;\n\n                return changed;\n            }\n        });\n\n        /**\n         * Provided for backward compatibility, use Chart instead.\n         * @class Chart.Controller\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.Controller = Chart;\n    };\n\n},{\"25\":25,\"28\":28,\"45\":45,\"48\":48}],24:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\n\n        /**\n         * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',\n         * 'unshift') and notify the listener AFTER the array has been altered. Listeners are\n         * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.\n         */\n        function listenArrayEvents(array, listener) {\n            if (array._chartjs) {\n                array._chartjs.listeners.push(listener);\n                return;\n            }\n\n            Object.defineProperty(array, '_chartjs', {\n                configurable: true,\n                enumerable: false,\n                value: {\n                    listeners: [listener]\n                }\n            });\n\n            arrayEvents.forEach(function(key) {\n                var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);\n                var base = array[key];\n\n                Object.defineProperty(array, key, {\n                    configurable: true,\n                    enumerable: false,\n                    value: function() {\n                        var args = Array.prototype.slice.call(arguments);\n                        var res = base.apply(this, args);\n\n                        helpers.each(array._chartjs.listeners, function(object) {\n                            if (typeof object[method] === 'function') {\n                                object[method].apply(object, args);\n                            }\n                        });\n\n                        return res;\n                    }\n                });\n            });\n        }\n\n        /**\n         * Removes the given array event listener and cleanup extra attached properties (such as\n         * the _chartjs stub and overridden methods) if array doesn't have any more listeners.\n         */\n        function unlistenArrayEvents(array, listener) {\n            var stub = array._chartjs;\n            if (!stub) {\n                return;\n            }\n\n            var listeners = stub.listeners;\n            var index = listeners.indexOf(listener);\n            if (index !== -1) {\n                listeners.splice(index, 1);\n            }\n\n            if (listeners.length > 0) {\n                return;\n            }\n\n            arrayEvents.forEach(function(key) {\n                delete array[key];\n            });\n\n            delete array._chartjs;\n        }\n\n        // Base class for all dataset controllers (line, bar, etc)\n        Chart.DatasetController = function(chart, datasetIndex) {\n            this.initialize(chart, datasetIndex);\n        };\n\n        helpers.extend(Chart.DatasetController.prototype, {\n\n            /**\n             * Element type used to generate a meta dataset (e.g. Chart.element.Line).\n             * @type {Chart.core.element}\n             */\n            datasetElementType: null,\n\n            /**\n             * Element type used to generate a meta data (e.g. Chart.element.Point).\n             * @type {Chart.core.element}\n             */\n            dataElementType: null,\n\n            initialize: function(chart, datasetIndex) {\n                var me = this;\n                me.chart = chart;\n                me.index = datasetIndex;\n                me.linkScales();\n                me.addElements();\n            },\n\n            updateIndex: function(datasetIndex) {\n                this.index = datasetIndex;\n            },\n\n            linkScales: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var dataset = me.getDataset();\n\n                if (meta.xAxisID === null) {\n                    meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id;\n                }\n                if (meta.yAxisID === null) {\n                    meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id;\n                }\n            },\n\n            getDataset: function() {\n                return this.chart.data.datasets[this.index];\n            },\n\n            getMeta: function() {\n                return this.chart.getDatasetMeta(this.index);\n            },\n\n            getScaleForId: function(scaleID) {\n                return this.chart.scales[scaleID];\n            },\n\n            reset: function() {\n                this.update(true);\n            },\n\n            /**\n             * @private\n             */\n            destroy: function() {\n                if (this._data) {\n                    unlistenArrayEvents(this._data, this);\n                }\n            },\n\n            createMetaDataset: function() {\n                var me = this;\n                var type = me.datasetElementType;\n                return type && new type({\n                        _chart: me.chart,\n                        _datasetIndex: me.index\n                    });\n            },\n\n            createMetaData: function(index) {\n                var me = this;\n                var type = me.dataElementType;\n                return type && new type({\n                        _chart: me.chart,\n                        _datasetIndex: me.index,\n                        _index: index\n                    });\n            },\n\n            addElements: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var data = me.getDataset().data || [];\n                var metaData = meta.data;\n                var i, ilen;\n\n                for (i = 0, ilen = data.length; i < ilen; ++i) {\n                    metaData[i] = metaData[i] || me.createMetaData(i);\n                }\n\n                meta.dataset = meta.dataset || me.createMetaDataset();\n            },\n\n            addElementAndReset: function(index) {\n                var element = this.createMetaData(index);\n                this.getMeta().data.splice(index, 0, element);\n                this.updateElement(element, index, true);\n            },\n\n            buildOrUpdateElements: function() {\n                var me = this;\n                var dataset = me.getDataset();\n                var data = dataset.data || (dataset.data = []);\n\n                // In order to correctly handle data addition/deletion animation (an thus simulate\n                // real-time charts), we need to monitor these data modifications and synchronize\n                // the internal meta data accordingly.\n                if (me._data !== data) {\n                    if (me._data) {\n                        // This case happens when the user replaced the data array instance.\n                        unlistenArrayEvents(me._data, me);\n                    }\n\n                    listenArrayEvents(data, me);\n                    me._data = data;\n                }\n\n                // Re-sync meta data in case the user replaced the data array or if we missed\n                // any updates and so make sure that we handle number of datapoints changing.\n                me.resyncElements();\n            },\n\n            update: helpers.noop,\n\n            transition: function(easingValue) {\n                var meta = this.getMeta();\n                var elements = meta.data || [];\n                var ilen = elements.length;\n                var i = 0;\n\n                for (; i < ilen; ++i) {\n                    elements[i].transition(easingValue);\n                }\n\n                if (meta.dataset) {\n                    meta.dataset.transition(easingValue);\n                }\n            },\n\n            draw: function() {\n                var meta = this.getMeta();\n                var elements = meta.data || [];\n                var ilen = elements.length;\n                var i = 0;\n\n                if (meta.dataset) {\n                    meta.dataset.draw();\n                }\n\n                for (; i < ilen; ++i) {\n                    elements[i].draw();\n                }\n            },\n\n            removeHoverStyle: function(element, elementOpts) {\n                var dataset = this.chart.data.datasets[element._datasetIndex];\n                var index = element._index;\n                var custom = element.custom || {};\n                var valueOrDefault = helpers.valueAtIndexOrDefault;\n                var model = element._model;\n\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth);\n            },\n\n            setHoverStyle: function(element) {\n                var dataset = this.chart.data.datasets[element._datasetIndex];\n                var index = element._index;\n                var custom = element.custom || {};\n                var valueOrDefault = helpers.valueAtIndexOrDefault;\n                var getHoverColor = helpers.getHoverColor;\n                var model = element._model;\n\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n            },\n\n            /**\n             * @private\n             */\n            resyncElements: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var data = me.getDataset().data;\n                var numMeta = meta.data.length;\n                var numData = data.length;\n\n                if (numData < numMeta) {\n                    meta.data.splice(numData, numMeta - numData);\n                } else if (numData > numMeta) {\n                    me.insertElements(numMeta, numData - numMeta);\n                }\n            },\n\n            /**\n             * @private\n             */\n            insertElements: function(start, count) {\n                for (var i = 0; i < count; ++i) {\n                    this.addElementAndReset(start + i);\n                }\n            },\n\n            /**\n             * @private\n             */\n            onDataPush: function() {\n                this.insertElements(this.getDataset().data.length - 1, arguments.length);\n            },\n\n            /**\n             * @private\n             */\n            onDataPop: function() {\n                this.getMeta().data.pop();\n            },\n\n            /**\n             * @private\n             */\n            onDataShift: function() {\n                this.getMeta().data.shift();\n            },\n\n            /**\n             * @private\n             */\n            onDataSplice: function(start, count) {\n                this.getMeta().data.splice(start, count);\n                this.insertElements(start, arguments.length - 2);\n            },\n\n            /**\n             * @private\n             */\n            onDataUnshift: function() {\n                this.insertElements(0, arguments.length);\n            }\n        });\n\n        Chart.DatasetController.extend = helpers.inherits;\n    };\n\n},{\"45\":45}],25:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = {\n        /**\n         * @private\n         */\n        _set: function(scope, values) {\n            return helpers.merge(this[scope] || (this[scope] = {}), values);\n        }\n    };\n\n},{\"45\":45}],26:[function(require,module,exports){\n    'use strict';\n\n    var color = require(2);\n    var helpers = require(45);\n\n    function interpolate(start, view, model, ease) {\n        var keys = Object.keys(model);\n        var i, ilen, key, actual, origin, target, type, c0, c1;\n\n        for (i = 0, ilen = keys.length; i < ilen; ++i) {\n            key = keys[i];\n\n            target = model[key];\n\n            // if a value is added to the model after pivot() has been called, the view\n            // doesn't contain it, so let's initialize the view to the target value.\n            if (!view.hasOwnProperty(key)) {\n                view[key] = target;\n            }\n\n            actual = view[key];\n\n            if (actual === target || key[0] === '_') {\n                continue;\n            }\n\n            if (!start.hasOwnProperty(key)) {\n                start[key] = actual;\n            }\n\n            origin = start[key];\n\n            type = typeof target;\n\n            if (type === typeof origin) {\n                if (type === 'string') {\n                    c0 = color(origin);\n                    if (c0.valid) {\n                        c1 = color(target);\n                        if (c1.valid) {\n                            view[key] = c1.mix(c0, ease).rgbString();\n                            continue;\n                        }\n                    }\n                } else if (type === 'number' && isFinite(origin) && isFinite(target)) {\n                    view[key] = origin + (target - origin) * ease;\n                    continue;\n                }\n            }\n\n            view[key] = target;\n        }\n    }\n\n    var Element = function(configuration) {\n        helpers.extend(this, configuration);\n        this.initialize.apply(this, arguments);\n    };\n\n    helpers.extend(Element.prototype, {\n\n        initialize: function() {\n            this.hidden = false;\n        },\n\n        pivot: function() {\n            var me = this;\n            if (!me._view) {\n                me._view = helpers.clone(me._model);\n            }\n            me._start = {};\n            return me;\n        },\n\n        transition: function(ease) {\n            var me = this;\n            var model = me._model;\n            var start = me._start;\n            var view = me._view;\n\n            // No animation -> No Transition\n            if (!model || ease === 1) {\n                me._view = model;\n                me._start = null;\n                return me;\n            }\n\n            if (!view) {\n                view = me._view = {};\n            }\n\n            if (!start) {\n                start = me._start = {};\n            }\n\n            interpolate(start, view, model, ease);\n\n            return me;\n        },\n\n        tooltipPosition: function() {\n            return {\n                x: this._model.x,\n                y: this._model.y\n            };\n        },\n\n        hasValue: function() {\n            return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);\n        }\n    });\n\n    Element.extend = helpers.inherits;\n\n    module.exports = Element;\n\n},{\"2\":2,\"45\":45}],27:[function(require,module,exports){\n\t/* global window: false */\n\t/* global document: false */\n    'use strict';\n\n    var color = require(2);\n    var defaults = require(25);\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        // -- Basic js utility methods\n\n        helpers.extend = function(base) {\n            var setFn = function(value, key) {\n                base[key] = value;\n            };\n            for (var i = 1, ilen = arguments.length; i < ilen; i++) {\n                helpers.each(arguments[i], setFn);\n            }\n            return base;\n        };\n\n        helpers.configMerge = function(/* objects ... */) {\n            return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n                merger: function(key, target, source, options) {\n                    var tval = target[key] || {};\n                    var sval = source[key];\n\n                    if (key === 'scales') {\n                        // scale config merging is complex. Add our own function here for that\n                        target[key] = helpers.scaleMerge(tval, sval);\n                    } else if (key === 'scale') {\n                        // used in polar area & radar charts since there is only one scale\n                        target[key] = helpers.merge(tval, [Chart.scaleService.getScaleDefaults(sval.type), sval]);\n                    } else {\n                        helpers._merger(key, target, source, options);\n                    }\n                }\n            });\n        };\n\n        helpers.scaleMerge = function(/* objects ... */) {\n            return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n                merger: function(key, target, source, options) {\n                    if (key === 'xAxes' || key === 'yAxes') {\n                        var slen = source[key].length;\n                        var i, type, scale;\n\n                        if (!target[key]) {\n                            target[key] = [];\n                        }\n\n                        for (i = 0; i < slen; ++i) {\n                            scale = source[key][i];\n                            type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear');\n\n                            if (i >= target[key].length) {\n                                target[key].push({});\n                            }\n\n                            if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) {\n                                // new/untyped scale or type changed: let's apply the new defaults\n                                // then merge source scale to correctly overwrite the defaults.\n                                helpers.merge(target[key][i], [Chart.scaleService.getScaleDefaults(type), scale]);\n                            } else {\n                                // scales type are the same\n                                helpers.merge(target[key][i], scale);\n                            }\n                        }\n                    } else {\n                        helpers._merger(key, target, source, options);\n                    }\n                }\n            });\n        };\n\n        helpers.where = function(collection, filterCallback) {\n            if (helpers.isArray(collection) && Array.prototype.filter) {\n                return collection.filter(filterCallback);\n            }\n            var filtered = [];\n\n            helpers.each(collection, function(item) {\n                if (filterCallback(item)) {\n                    filtered.push(item);\n                }\n            });\n\n            return filtered;\n        };\n        helpers.findIndex = Array.prototype.findIndex ?\n            function(array, callback, scope) {\n                return array.findIndex(callback, scope);\n            } :\n            function(array, callback, scope) {\n                scope = scope === undefined ? array : scope;\n                for (var i = 0, ilen = array.length; i < ilen; ++i) {\n                    if (callback.call(scope, array[i], i, array)) {\n                        return i;\n                    }\n                }\n                return -1;\n            };\n        helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {\n            // Default to start of the array\n            if (helpers.isNullOrUndef(startIndex)) {\n                startIndex = -1;\n            }\n            for (var i = startIndex + 1; i < arrayToSearch.length; i++) {\n                var currentItem = arrayToSearch[i];\n                if (filterCallback(currentItem)) {\n                    return currentItem;\n                }\n            }\n        };\n        helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {\n            // Default to end of the array\n            if (helpers.isNullOrUndef(startIndex)) {\n                startIndex = arrayToSearch.length;\n            }\n            for (var i = startIndex - 1; i >= 0; i--) {\n                var currentItem = arrayToSearch[i];\n                if (filterCallback(currentItem)) {\n                    return currentItem;\n                }\n            }\n        };\n        helpers.inherits = function(extensions) {\n            // Basic javascript inheritance based on the model created in Backbone.js\n            var me = this;\n            var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {\n                return me.apply(this, arguments);\n            };\n\n            var Surrogate = function() {\n                this.constructor = ChartElement;\n            };\n            Surrogate.prototype = me.prototype;\n            ChartElement.prototype = new Surrogate();\n\n            ChartElement.extend = helpers.inherits;\n\n            if (extensions) {\n                helpers.extend(ChartElement.prototype, extensions);\n            }\n\n            ChartElement.__super__ = me.prototype;\n\n            return ChartElement;\n        };\n        // -- Math methods\n        helpers.isNumber = function(n) {\n            return !isNaN(parseFloat(n)) && isFinite(n);\n        };\n        helpers.almostEquals = function(x, y, epsilon) {\n            return Math.abs(x - y) < epsilon;\n        };\n        helpers.almostWhole = function(x, epsilon) {\n            var rounded = Math.round(x);\n            return (((rounded - epsilon) < x) && ((rounded + epsilon) > x));\n        };\n        helpers.max = function(array) {\n            return array.reduce(function(max, value) {\n                if (!isNaN(value)) {\n                    return Math.max(max, value);\n                }\n                return max;\n            }, Number.NEGATIVE_INFINITY);\n        };\n        helpers.min = function(array) {\n            return array.reduce(function(min, value) {\n                if (!isNaN(value)) {\n                    return Math.min(min, value);\n                }\n                return min;\n            }, Number.POSITIVE_INFINITY);\n        };\n        helpers.sign = Math.sign ?\n            function(x) {\n                return Math.sign(x);\n            } :\n            function(x) {\n                x = +x; // convert to a number\n                if (x === 0 || isNaN(x)) {\n                    return x;\n                }\n                return x > 0 ? 1 : -1;\n            };\n        helpers.log10 = Math.log10 ?\n            function(x) {\n                return Math.log10(x);\n            } :\n            function(x) {\n                return Math.log(x) / Math.LN10;\n            };\n        helpers.toRadians = function(degrees) {\n            return degrees * (Math.PI / 180);\n        };\n        helpers.toDegrees = function(radians) {\n            return radians * (180 / Math.PI);\n        };\n        // Gets the angle from vertical upright to the point about a centre.\n        helpers.getAngleFromPoint = function(centrePoint, anglePoint) {\n            var distanceFromXCenter = anglePoint.x - centrePoint.x;\n            var distanceFromYCenter = anglePoint.y - centrePoint.y;\n            var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);\n\n            var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);\n\n            if (angle < (-0.5 * Math.PI)) {\n                angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]\n            }\n\n            return {\n                angle: angle,\n                distance: radialDistanceFromCenter\n            };\n        };\n        helpers.distanceBetweenPoints = function(pt1, pt2) {\n            return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));\n        };\n        helpers.aliasPixel = function(pixelWidth) {\n            return (pixelWidth % 2 === 0) ? 0 : 0.5;\n        };\n        helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {\n            // Props to Rob Spencer at scaled innovation for his post on splining between points\n            // http://scaledinnovation.com/analytics/splines/aboutSplines.html\n\n            // This function must also respect \"skipped\" points\n\n            var previous = firstPoint.skip ? middlePoint : firstPoint;\n            var current = middlePoint;\n            var next = afterPoint.skip ? middlePoint : afterPoint;\n\n            var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));\n            var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));\n\n            var s01 = d01 / (d01 + d12);\n            var s12 = d12 / (d01 + d12);\n\n            // If all points are the same, s01 & s02 will be inf\n            s01 = isNaN(s01) ? 0 : s01;\n            s12 = isNaN(s12) ? 0 : s12;\n\n            var fa = t * s01; // scaling factor for triangle Ta\n            var fb = t * s12;\n\n            return {\n                previous: {\n                    x: current.x - fa * (next.x - previous.x),\n                    y: current.y - fa * (next.y - previous.y)\n                },\n                next: {\n                    x: current.x + fb * (next.x - previous.x),\n                    y: current.y + fb * (next.y - previous.y)\n                }\n            };\n        };\n        helpers.EPSILON = Number.EPSILON || 1e-14;\n        helpers.splineCurveMonotone = function(points) {\n            // This function calculates Bézier control points in a similar way than |splineCurve|,\n            // but preserves monotonicity of the provided data and ensures no local extremums are added\n            // between the dataset discrete points due to the interpolation.\n            // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation\n\n            var pointsWithTangents = (points || []).map(function(point) {\n                return {\n                    model: point._model,\n                    deltaK: 0,\n                    mK: 0\n                };\n            });\n\n            // Calculate slopes (deltaK) and initialize tangents (mK)\n            var pointsLen = pointsWithTangents.length;\n            var i, pointBefore, pointCurrent, pointAfter;\n            for (i = 0; i < pointsLen; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                if (pointCurrent.model.skip) {\n                    continue;\n                }\n\n                pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n                pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n                if (pointAfter && !pointAfter.model.skip) {\n                    var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x);\n\n                    // In the case of two points that appear at the same x pixel, slopeDeltaX is 0\n                    pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0;\n                }\n\n                if (!pointBefore || pointBefore.model.skip) {\n                    pointCurrent.mK = pointCurrent.deltaK;\n                } else if (!pointAfter || pointAfter.model.skip) {\n                    pointCurrent.mK = pointBefore.deltaK;\n                } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) {\n                    pointCurrent.mK = 0;\n                } else {\n                    pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;\n                }\n            }\n\n            // Adjust tangents to ensure monotonic properties\n            var alphaK, betaK, tauK, squaredMagnitude;\n            for (i = 0; i < pointsLen - 1; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                pointAfter = pointsWithTangents[i + 1];\n                if (pointCurrent.model.skip || pointAfter.model.skip) {\n                    continue;\n                }\n\n                if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) {\n                    pointCurrent.mK = pointAfter.mK = 0;\n                    continue;\n                }\n\n                alphaK = pointCurrent.mK / pointCurrent.deltaK;\n                betaK = pointAfter.mK / pointCurrent.deltaK;\n                squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);\n                if (squaredMagnitude <= 9) {\n                    continue;\n                }\n\n                tauK = 3 / Math.sqrt(squaredMagnitude);\n                pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK;\n                pointAfter.mK = betaK * tauK * pointCurrent.deltaK;\n            }\n\n            // Compute control points\n            var deltaX;\n            for (i = 0; i < pointsLen; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                if (pointCurrent.model.skip) {\n                    continue;\n                }\n\n                pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n                pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n                if (pointBefore && !pointBefore.model.skip) {\n                    deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3;\n                    pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX;\n                    pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK;\n                }\n                if (pointAfter && !pointAfter.model.skip) {\n                    deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3;\n                    pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX;\n                    pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK;\n                }\n            }\n        };\n        helpers.nextItem = function(collection, index, loop) {\n            if (loop) {\n                return index >= collection.length - 1 ? collection[0] : collection[index + 1];\n            }\n            return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];\n        };\n        helpers.previousItem = function(collection, index, loop) {\n            if (loop) {\n                return index <= 0 ? collection[collection.length - 1] : collection[index - 1];\n            }\n            return index <= 0 ? collection[0] : collection[index - 1];\n        };\n        // Implementation of the nice number algorithm used in determining where axis labels will go\n        helpers.niceNum = function(range, round) {\n            var exponent = Math.floor(helpers.log10(range));\n            var fraction = range / Math.pow(10, exponent);\n            var niceFraction;\n\n            if (round) {\n                if (fraction < 1.5) {\n                    niceFraction = 1;\n                } else if (fraction < 3) {\n                    niceFraction = 2;\n                } else if (fraction < 7) {\n                    niceFraction = 5;\n                } else {\n                    niceFraction = 10;\n                }\n            } else if (fraction <= 1.0) {\n                niceFraction = 1;\n            } else if (fraction <= 2) {\n                niceFraction = 2;\n            } else if (fraction <= 5) {\n                niceFraction = 5;\n            } else {\n                niceFraction = 10;\n            }\n\n            return niceFraction * Math.pow(10, exponent);\n        };\n        // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/\n        helpers.requestAnimFrame = (function() {\n            if (typeof window === 'undefined') {\n                return function(callback) {\n                    callback();\n                };\n            }\n            return window.requestAnimationFrame ||\n                window.webkitRequestAnimationFrame ||\n                window.mozRequestAnimationFrame ||\n                window.oRequestAnimationFrame ||\n                window.msRequestAnimationFrame ||\n                function(callback) {\n                    return window.setTimeout(callback, 1000 / 60);\n                };\n        }());\n        // -- DOM methods\n        helpers.getRelativePosition = function(evt, chart) {\n            var mouseX, mouseY;\n            var e = evt.originalEvent || evt;\n            var canvas = evt.currentTarget || evt.srcElement;\n            var boundingRect = canvas.getBoundingClientRect();\n\n            var touches = e.touches;\n            if (touches && touches.length > 0) {\n                mouseX = touches[0].clientX;\n                mouseY = touches[0].clientY;\n\n            } else {\n                mouseX = e.clientX;\n                mouseY = e.clientY;\n            }\n\n            // Scale mouse coordinates into canvas coordinates\n            // by following the pattern laid out by 'jerryj' in the comments of\n            // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/\n            var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left'));\n            var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top'));\n            var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right'));\n            var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom'));\n            var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;\n            var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;\n\n            // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However\n            // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here\n            mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);\n            mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);\n\n            return {\n                x: mouseX,\n                y: mouseY\n            };\n\n        };\n\n        // Private helper function to convert max-width/max-height values that may be percentages into a number\n        function parseMaxStyle(styleValue, node, parentProperty) {\n            var valueInPixels;\n            if (typeof styleValue === 'string') {\n                valueInPixels = parseInt(styleValue, 10);\n\n                if (styleValue.indexOf('%') !== -1) {\n                    // percentage * size in dimension\n                    valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];\n                }\n            } else {\n                valueInPixels = styleValue;\n            }\n\n            return valueInPixels;\n        }\n\n        /**\n         * Returns if the given value contains an effective constraint.\n         * @private\n         */\n        function isConstrainedValue(value) {\n            return value !== undefined && value !== null && value !== 'none';\n        }\n\n        // Private helper to get a constraint dimension\n        // @param domNode : the node to check the constraint on\n        // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight)\n        // @param percentageProperty : property of parent to use when calculating width as a percentage\n        // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser\n        function getConstraintDimension(domNode, maxStyle, percentageProperty) {\n            var view = document.defaultView;\n            var parentNode = domNode.parentNode;\n            var constrainedNode = view.getComputedStyle(domNode)[maxStyle];\n            var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle];\n            var hasCNode = isConstrainedValue(constrainedNode);\n            var hasCContainer = isConstrainedValue(constrainedContainer);\n            var infinity = Number.POSITIVE_INFINITY;\n\n            if (hasCNode || hasCContainer) {\n                return Math.min(\n                    hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity,\n                    hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity);\n            }\n\n            return 'none';\n        }\n        // returns Number or undefined if no constraint\n        helpers.getConstraintWidth = function(domNode) {\n            return getConstraintDimension(domNode, 'max-width', 'clientWidth');\n        };\n        // returns Number or undefined if no constraint\n        helpers.getConstraintHeight = function(domNode) {\n            return getConstraintDimension(domNode, 'max-height', 'clientHeight');\n        };\n        helpers.getMaximumWidth = function(domNode) {\n            var container = domNode.parentNode;\n            if (!container) {\n                return domNode.clientWidth;\n            }\n\n            var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10);\n            var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10);\n            var w = container.clientWidth - paddingLeft - paddingRight;\n            var cw = helpers.getConstraintWidth(domNode);\n            return isNaN(cw) ? w : Math.min(w, cw);\n        };\n        helpers.getMaximumHeight = function(domNode) {\n            var container = domNode.parentNode;\n            if (!container) {\n                return domNode.clientHeight;\n            }\n\n            var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10);\n            var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10);\n            var h = container.clientHeight - paddingTop - paddingBottom;\n            var ch = helpers.getConstraintHeight(domNode);\n            return isNaN(ch) ? h : Math.min(h, ch);\n        };\n        helpers.getStyle = function(el, property) {\n            return el.currentStyle ?\n                el.currentStyle[property] :\n                document.defaultView.getComputedStyle(el, null).getPropertyValue(property);\n        };\n        helpers.retinaScale = function(chart, forceRatio) {\n            var pixelRatio = chart.currentDevicePixelRatio = forceRatio || window.devicePixelRatio || 1;\n            if (pixelRatio === 1) {\n                return;\n            }\n\n            var canvas = chart.canvas;\n            var height = chart.height;\n            var width = chart.width;\n\n            canvas.height = height * pixelRatio;\n            canvas.width = width * pixelRatio;\n            chart.ctx.scale(pixelRatio, pixelRatio);\n\n            // If no style has been set on the canvas, the render size is used as display size,\n            // making the chart visually bigger, so let's enforce it to the \"correct\" values.\n            // See https://github.com/chartjs/Chart.js/issues/3575\n            canvas.style.height = height + 'px';\n            canvas.style.width = width + 'px';\n        };\n        // -- Canvas methods\n        helpers.fontString = function(pixelSize, fontStyle, fontFamily) {\n            return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;\n        };\n        helpers.longestText = function(ctx, font, arrayOfThings, cache) {\n            cache = cache || {};\n            var data = cache.data = cache.data || {};\n            var gc = cache.garbageCollect = cache.garbageCollect || [];\n\n            if (cache.font !== font) {\n                data = cache.data = {};\n                gc = cache.garbageCollect = [];\n                cache.font = font;\n            }\n\n            ctx.font = font;\n            var longest = 0;\n            helpers.each(arrayOfThings, function(thing) {\n                // Undefined strings and arrays should not be measured\n                if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) {\n                    longest = helpers.measureText(ctx, data, gc, longest, thing);\n                } else if (helpers.isArray(thing)) {\n                    // if it is an array lets measure each element\n                    // to do maybe simplify this function a bit so we can do this more recursively?\n                    helpers.each(thing, function(nestedThing) {\n                        // Undefined strings and arrays should not be measured\n                        if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) {\n                            longest = helpers.measureText(ctx, data, gc, longest, nestedThing);\n                        }\n                    });\n                }\n            });\n\n            var gcLen = gc.length / 2;\n            if (gcLen > arrayOfThings.length) {\n                for (var i = 0; i < gcLen; i++) {\n                    delete data[gc[i]];\n                }\n                gc.splice(0, gcLen);\n            }\n            return longest;\n        };\n        helpers.measureText = function(ctx, data, gc, longest, string) {\n            var textWidth = data[string];\n            if (!textWidth) {\n                textWidth = data[string] = ctx.measureText(string).width;\n                gc.push(string);\n            }\n            if (textWidth > longest) {\n                longest = textWidth;\n            }\n            return longest;\n        };\n        helpers.numberOfLabelLines = function(arrayOfThings) {\n            var numberOfLines = 1;\n            helpers.each(arrayOfThings, function(thing) {\n                if (helpers.isArray(thing)) {\n                    if (thing.length > numberOfLines) {\n                        numberOfLines = thing.length;\n                    }\n                }\n            });\n            return numberOfLines;\n        };\n\n        helpers.color = !color ?\n            function(value) {\n                console.error('Color.js not found!');\n                return value;\n            } :\n            function(value) {\n\t\t\t\t/* global CanvasGradient */\n                if (value instanceof CanvasGradient) {\n                    value = defaults.global.defaultColor;\n                }\n\n                return color(value);\n            };\n\n        helpers.getHoverColor = function(colorValue) {\n\t\t\t/* global CanvasPattern */\n            return (colorValue instanceof CanvasPattern) ?\n                colorValue :\n                helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString();\n        };\n    };\n\n},{\"2\":2,\"25\":25,\"45\":45}],28:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    /**\n     * Helper function to get relative position for an event\n     * @param {Event|IEvent} event - The event to get the position for\n     * @param {Chart} chart - The chart\n     * @returns {Point} the event position\n     */\n    function getRelativePosition(e, chart) {\n        if (e.native) {\n            return {\n                x: e.x,\n                y: e.y\n            };\n        }\n\n        return helpers.getRelativePosition(e, chart);\n    }\n\n    /**\n     * Helper function to traverse all of the visible elements in the chart\n     * @param chart {chart} the chart\n     * @param handler {Function} the callback to execute for each visible item\n     */\n    function parseVisibleItems(chart, handler) {\n        var datasets = chart.data.datasets;\n        var meta, i, j, ilen, jlen;\n\n        for (i = 0, ilen = datasets.length; i < ilen; ++i) {\n            if (!chart.isDatasetVisible(i)) {\n                continue;\n            }\n\n            meta = chart.getDatasetMeta(i);\n            for (j = 0, jlen = meta.data.length; j < jlen; ++j) {\n                var element = meta.data[j];\n                if (!element._view.skip) {\n                    handler(element);\n                }\n            }\n        }\n    }\n\n    /**\n     * Helper function to get the items that intersect the event position\n     * @param items {ChartElement[]} elements to filter\n     * @param position {Point} the point to be nearest to\n     * @return {ChartElement[]} the nearest items\n     */\n    function getIntersectItems(chart, position) {\n        var elements = [];\n\n        parseVisibleItems(chart, function(element) {\n            if (element.inRange(position.x, position.y)) {\n                elements.push(element);\n            }\n        });\n\n        return elements;\n    }\n\n    /**\n     * Helper function to get the items nearest to the event position considering all visible items in teh chart\n     * @param chart {Chart} the chart to look at elements from\n     * @param position {Point} the point to be nearest to\n     * @param intersect {Boolean} if true, only consider items that intersect the position\n     * @param distanceMetric {Function} function to provide the distance between points\n     * @return {ChartElement[]} the nearest items\n     */\n    function getNearestItems(chart, position, intersect, distanceMetric) {\n        var minDistance = Number.POSITIVE_INFINITY;\n        var nearestItems = [];\n\n        parseVisibleItems(chart, function(element) {\n            if (intersect && !element.inRange(position.x, position.y)) {\n                return;\n            }\n\n            var center = element.getCenterPoint();\n            var distance = distanceMetric(position, center);\n\n            if (distance < minDistance) {\n                nearestItems = [element];\n                minDistance = distance;\n            } else if (distance === minDistance) {\n                // Can have multiple items at the same distance in which case we sort by size\n                nearestItems.push(element);\n            }\n        });\n\n        return nearestItems;\n    }\n\n    /**\n     * Get a distance metric function for two points based on the\n     * axis mode setting\n     * @param {String} axis the axis mode. x|y|xy\n     */\n    function getDistanceMetricForAxis(axis) {\n        var useX = axis.indexOf('x') !== -1;\n        var useY = axis.indexOf('y') !== -1;\n\n        return function(pt1, pt2) {\n            var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\n            var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\n            return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\n        };\n    }\n\n    function indexMode(chart, e, options) {\n        var position = getRelativePosition(e, chart);\n        // Default axis for index mode is 'x' to match old behaviour\n        options.axis = options.axis || 'x';\n        var distanceMetric = getDistanceMetricForAxis(options.axis);\n        var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n        var elements = [];\n\n        if (!items.length) {\n            return [];\n        }\n\n        chart.data.datasets.forEach(function(dataset, datasetIndex) {\n            if (chart.isDatasetVisible(datasetIndex)) {\n                var meta = chart.getDatasetMeta(datasetIndex);\n                var element = meta.data[items[0]._index];\n\n                // don't count items that are skipped (null data)\n                if (element && !element._view.skip) {\n                    elements.push(element);\n                }\n            }\n        });\n\n        return elements;\n    }\n\n    /**\n     * @interface IInteractionOptions\n     */\n    /**\n     * If true, only consider items that intersect the point\n     * @name IInterfaceOptions#boolean\n     * @type Boolean\n     */\n\n    /**\n     * Contains interaction related functions\n     * @namespace Chart.Interaction\n     */\n    module.exports = {\n        // Helper function for different modes\n        modes: {\n            single: function(chart, e) {\n                var position = getRelativePosition(e, chart);\n                var elements = [];\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inRange(position.x, position.y)) {\n                        elements.push(element);\n                        return elements;\n                    }\n                });\n\n                return elements.slice(0, 1);\n            },\n\n            /**\n             * @function Chart.Interaction.modes.label\n             * @deprecated since version 2.4.0\n             * @todo remove at version 3\n             * @private\n             */\n            label: indexMode,\n\n            /**\n             * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something\n             * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item\n             * @function Chart.Interaction.modes.index\n             * @since v2.4.0\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use during interaction\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            index: indexMode,\n\n            /**\n             * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something\n             * If the options.intersect is false, we find the nearest item and return the items in that dataset\n             * @function Chart.Interaction.modes.dataset\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use during interaction\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            dataset: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                options.axis = options.axis || 'xy';\n                var distanceMetric = getDistanceMetricForAxis(options.axis);\n                var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n\n                if (items.length > 0) {\n                    items = chart.getDatasetMeta(items[0]._datasetIndex).data;\n                }\n\n                return items;\n            },\n\n            /**\n             * @function Chart.Interaction.modes.x-axis\n             * @deprecated since version 2.4.0. Use index mode and intersect == true\n             * @todo remove at version 3\n             * @private\n             */\n            'x-axis': function(chart, e) {\n                return indexMode(chart, e, {intersect: true});\n            },\n\n            /**\n             * Point mode returns all elements that hit test based on the event position\n             * of the event\n             * @function Chart.Interaction.modes.intersect\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            point: function(chart, e) {\n                var position = getRelativePosition(e, chart);\n                return getIntersectItems(chart, position);\n            },\n\n            /**\n             * nearest mode returns the element closest to the point\n             * @function Chart.Interaction.modes.intersect\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            nearest: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                options.axis = options.axis || 'xy';\n                var distanceMetric = getDistanceMetricForAxis(options.axis);\n                var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric);\n\n                // We have multiple items at the same distance from the event. Now sort by smallest\n                if (nearestItems.length > 1) {\n                    nearestItems.sort(function(a, b) {\n                        var sizeA = a.getArea();\n                        var sizeB = b.getArea();\n                        var ret = sizeA - sizeB;\n\n                        if (ret === 0) {\n                            // if equal sort by dataset index\n                            ret = a._datasetIndex - b._datasetIndex;\n                        }\n\n                        return ret;\n                    });\n                }\n\n                // Return only 1 item\n                return nearestItems.slice(0, 1);\n            },\n\n            /**\n             * x mode returns the elements that hit-test at the current x coordinate\n             * @function Chart.Interaction.modes.x\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            x: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                var items = [];\n                var intersectsItem = false;\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inXRange(position.x)) {\n                        items.push(element);\n                    }\n\n                    if (element.inRange(position.x, position.y)) {\n                        intersectsItem = true;\n                    }\n                });\n\n                // If we want to trigger on an intersect and we don't have any items\n                // that intersect the position, return nothing\n                if (options.intersect && !intersectsItem) {\n                    items = [];\n                }\n                return items;\n            },\n\n            /**\n             * y mode returns the elements that hit-test at the current y coordinate\n             * @function Chart.Interaction.modes.y\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            y: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                var items = [];\n                var intersectsItem = false;\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inYRange(position.y)) {\n                        items.push(element);\n                    }\n\n                    if (element.inRange(position.x, position.y)) {\n                        intersectsItem = true;\n                    }\n                });\n\n                // If we want to trigger on an intersect and we don't have any items\n                // that intersect the position, return nothing\n                if (options.intersect && !intersectsItem) {\n                    items = [];\n                }\n                return items;\n            }\n        }\n    };\n\n},{\"45\":45}],29:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n\n    defaults._set('global', {\n        responsive: true,\n        responsiveAnimationDuration: 0,\n        maintainAspectRatio: true,\n        events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'],\n        hover: {\n            onHover: null,\n            mode: 'nearest',\n            intersect: true,\n            animationDuration: 400\n        },\n        onClick: null,\n        defaultColor: 'rgba(0,0,0,0.1)',\n        defaultFontColor: '#666',\n        defaultFontFamily: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\n        defaultFontSize: 12,\n        defaultFontStyle: 'normal',\n        showLines: true,\n\n        // Element defaults defined in element extensions\n        elements: {},\n\n        // Layout options such as padding\n        layout: {\n            padding: {\n                top: 0,\n                right: 0,\n                bottom: 0,\n                left: 0\n            }\n        }\n    });\n\n    module.exports = function() {\n\n        // Occupy the global variable of Chart, and create a simple base class\n        var Chart = function(item, config) {\n            this.construct(item, config);\n            return this;\n        };\n\n        Chart.Chart = Chart;\n\n        return Chart;\n    };\n\n},{\"25\":25}],30:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        function filterByPosition(array, position) {\n            return helpers.where(array, function(v) {\n                return v.position === position;\n            });\n        }\n\n        function sortByWeight(array, reverse) {\n            array.forEach(function(v, i) {\n                v._tmpIndex_ = i;\n                return v;\n            });\n            array.sort(function(a, b) {\n                var v0 = reverse ? b : a;\n                var v1 = reverse ? a : b;\n                return v0.weight === v1.weight ?\n                    v0._tmpIndex_ - v1._tmpIndex_ :\n                    v0.weight - v1.weight;\n            });\n            array.forEach(function(v) {\n                delete v._tmpIndex_;\n            });\n        }\n\n        /**\n         * @interface ILayoutItem\n         * @prop {String} position - The position of the item in the chart layout. Possible values are\n         * 'left', 'top', 'right', 'bottom', and 'chartArea'\n         * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area\n         * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down\n         * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)\n         * @prop {Function} update - Takes two parameters: width and height. Returns size of item\n         * @prop {Function} getPadding -  Returns an object with padding on the edges\n         * @prop {Number} width - Width of item. Must be valid after update()\n         * @prop {Number} height - Height of item. Must be valid after update()\n         * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update\n         */\n\n        // The layout service is very self explanatory.  It's responsible for the layout within a chart.\n        // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need\n        // It is this service's responsibility of carrying out that layout.\n        Chart.layoutService = {\n            defaults: {},\n\n            /**\n             * Register a box to a chart.\n             * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.\n             * @param {Chart} chart - the chart to use\n             * @param {ILayoutItem} item - the item to add to be layed out\n             */\n            addBox: function(chart, item) {\n                if (!chart.boxes) {\n                    chart.boxes = [];\n                }\n\n                // initialize item with default values\n                item.fullWidth = item.fullWidth || false;\n                item.position = item.position || 'top';\n                item.weight = item.weight || 0;\n\n                chart.boxes.push(item);\n            },\n\n            /**\n             * Remove a layoutItem from a chart\n             * @param {Chart} chart - the chart to remove the box from\n             * @param {Object} layoutItem - the item to remove from the layout\n             */\n            removeBox: function(chart, layoutItem) {\n                var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\n                if (index !== -1) {\n                    chart.boxes.splice(index, 1);\n                }\n            },\n\n            /**\n             * Sets (or updates) options on the given `item`.\n             * @param {Chart} chart - the chart in which the item lives (or will be added to)\n             * @param {Object} item - the item to configure with the given options\n             * @param {Object} options - the new item options.\n             */\n            configure: function(chart, item, options) {\n                var props = ['fullWidth', 'position', 'weight'];\n                var ilen = props.length;\n                var i = 0;\n                var prop;\n\n                for (; i < ilen; ++i) {\n                    prop = props[i];\n                    if (options.hasOwnProperty(prop)) {\n                        item[prop] = options[prop];\n                    }\n                }\n            },\n\n            /**\n             * Fits boxes of the given chart into the given size by having each box measure itself\n             * then running a fitting algorithm\n             * @param {Chart} chart - the chart\n             * @param {Number} width - the width to fit into\n             * @param {Number} height - the height to fit into\n             */\n            update: function(chart, width, height) {\n                if (!chart) {\n                    return;\n                }\n\n                var layoutOptions = chart.options.layout || {};\n                var padding = helpers.options.toPadding(layoutOptions.padding);\n                var leftPadding = padding.left;\n                var rightPadding = padding.right;\n                var topPadding = padding.top;\n                var bottomPadding = padding.bottom;\n\n                var leftBoxes = filterByPosition(chart.boxes, 'left');\n                var rightBoxes = filterByPosition(chart.boxes, 'right');\n                var topBoxes = filterByPosition(chart.boxes, 'top');\n                var bottomBoxes = filterByPosition(chart.boxes, 'bottom');\n                var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea');\n\n                // Sort boxes by weight. A higher weight is further away from the chart area\n                sortByWeight(leftBoxes, true);\n                sortByWeight(rightBoxes, false);\n                sortByWeight(topBoxes, true);\n                sortByWeight(bottomBoxes, false);\n\n                // Essentially we now have any number of boxes on each of the 4 sides.\n                // Our canvas looks like the following.\n                // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and\n                // B1 is the bottom axis\n                // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays\n                // These locations are single-box locations only, when trying to register a chartArea location that is already taken,\n                // an error will be thrown.\n                //\n                // |----------------------------------------------------|\n                // |                  T1 (Full Width)                   |\n                // |----------------------------------------------------|\n                // |    |    |                 T2                  |    |\n                // |    |----|-------------------------------------|----|\n                // |    |    | C1 |                           | C2 |    |\n                // |    |    |----|                           |----|    |\n                // |    |    |                                     |    |\n                // | L1 | L2 |           ChartArea (C0)            | R1 |\n                // |    |    |                                     |    |\n                // |    |    |----|                           |----|    |\n                // |    |    | C3 |                           | C4 |    |\n                // |    |----|-------------------------------------|----|\n                // |    |    |                 B1                  |    |\n                // |----------------------------------------------------|\n                // |                  B2 (Full Width)                   |\n                // |----------------------------------------------------|\n                //\n                // What we do to find the best sizing, we do the following\n                // 1. Determine the minimum size of the chart area.\n                // 2. Split the remaining width equally between each vertical axis\n                // 3. Split the remaining height equally between each horizontal axis\n                // 4. Give each layout the maximum size it can be. The layout will return it's minimum size\n                // 5. Adjust the sizes of each axis based on it's minimum reported size.\n                // 6. Refit each axis\n                // 7. Position each axis in the final location\n                // 8. Tell the chart the final location of the chart area\n                // 9. Tell any axes that overlay the chart area the positions of the chart area\n\n                // Step 1\n                var chartWidth = width - leftPadding - rightPadding;\n                var chartHeight = height - topPadding - bottomPadding;\n                var chartAreaWidth = chartWidth / 2; // min 50%\n                var chartAreaHeight = chartHeight / 2; // min 50%\n\n                // Step 2\n                var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length);\n\n                // Step 3\n                var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length);\n\n                // Step 4\n                var maxChartAreaWidth = chartWidth;\n                var maxChartAreaHeight = chartHeight;\n                var minBoxSizes = [];\n\n                function getMinimumBoxSize(box) {\n                    var minSize;\n                    var isHorizontal = box.isHorizontal();\n\n                    if (isHorizontal) {\n                        minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);\n                        maxChartAreaHeight -= minSize.height;\n                    } else {\n                        minSize = box.update(verticalBoxWidth, chartAreaHeight);\n                        maxChartAreaWidth -= minSize.width;\n                    }\n\n                    minBoxSizes.push({\n                        horizontal: isHorizontal,\n                        minSize: minSize,\n                        box: box,\n                    });\n                }\n\n                helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize);\n\n                // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478)\n                var maxHorizontalLeftPadding = 0;\n                var maxHorizontalRightPadding = 0;\n                var maxVerticalTopPadding = 0;\n                var maxVerticalBottomPadding = 0;\n\n                helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) {\n                    if (horizontalBox.getPadding) {\n                        var boxPadding = horizontalBox.getPadding();\n                        maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left);\n                        maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right);\n                    }\n                });\n\n                helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) {\n                    if (verticalBox.getPadding) {\n                        var boxPadding = verticalBox.getPadding();\n                        maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top);\n                        maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom);\n                    }\n                });\n\n                // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could\n                // be if the axes are drawn at their minimum sizes.\n                // Steps 5 & 6\n                var totalLeftBoxesWidth = leftPadding;\n                var totalRightBoxesWidth = rightPadding;\n                var totalTopBoxesHeight = topPadding;\n                var totalBottomBoxesHeight = bottomPadding;\n\n                // Function to fit a box\n                function fitBox(box) {\n                    var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) {\n                        return minBox.box === box;\n                    });\n\n                    if (minBoxSize) {\n                        if (box.isHorizontal()) {\n                            var scaleMargin = {\n                                left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding),\n                                right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding),\n                                top: 0,\n                                bottom: 0\n                            };\n\n                            // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends\n                            // on the margin. Sometimes they need to increase in size slightly\n                            box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin);\n                        } else {\n                            box.update(minBoxSize.minSize.width, maxChartAreaHeight);\n                        }\n                    }\n                }\n\n                // Update, and calculate the left and right margins for the horizontal boxes\n                helpers.each(leftBoxes.concat(rightBoxes), fitBox);\n\n                helpers.each(leftBoxes, function(box) {\n                    totalLeftBoxesWidth += box.width;\n                });\n\n                helpers.each(rightBoxes, function(box) {\n                    totalRightBoxesWidth += box.width;\n                });\n\n                // Set the Left and Right margins for the horizontal boxes\n                helpers.each(topBoxes.concat(bottomBoxes), fitBox);\n\n                // Figure out how much margin is on the top and bottom of the vertical boxes\n                helpers.each(topBoxes, function(box) {\n                    totalTopBoxesHeight += box.height;\n                });\n\n                helpers.each(bottomBoxes, function(box) {\n                    totalBottomBoxesHeight += box.height;\n                });\n\n                function finalFitVerticalBox(box) {\n                    var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) {\n                        return minSize.box === box;\n                    });\n\n                    var scaleMargin = {\n                        left: 0,\n                        right: 0,\n                        top: totalTopBoxesHeight,\n                        bottom: totalBottomBoxesHeight\n                    };\n\n                    if (minBoxSize) {\n                        box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin);\n                    }\n                }\n\n                // Let the left layout know the final margin\n                helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox);\n\n                // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance)\n                totalLeftBoxesWidth = leftPadding;\n                totalRightBoxesWidth = rightPadding;\n                totalTopBoxesHeight = topPadding;\n                totalBottomBoxesHeight = bottomPadding;\n\n                helpers.each(leftBoxes, function(box) {\n                    totalLeftBoxesWidth += box.width;\n                });\n\n                helpers.each(rightBoxes, function(box) {\n                    totalRightBoxesWidth += box.width;\n                });\n\n                helpers.each(topBoxes, function(box) {\n                    totalTopBoxesHeight += box.height;\n                });\n                helpers.each(bottomBoxes, function(box) {\n                    totalBottomBoxesHeight += box.height;\n                });\n\n                // We may be adding some padding to account for rotated x axis labels\n                var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0);\n                totalLeftBoxesWidth += leftPaddingAddition;\n                totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0);\n\n                var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0);\n                totalTopBoxesHeight += topPaddingAddition;\n                totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0);\n\n                // Figure out if our chart area changed. This would occur if the dataset layout label rotation\n                // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do\n                // without calling `fit` again\n                var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight;\n                var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth;\n\n                if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) {\n                    helpers.each(leftBoxes, function(box) {\n                        box.height = newMaxChartAreaHeight;\n                    });\n\n                    helpers.each(rightBoxes, function(box) {\n                        box.height = newMaxChartAreaHeight;\n                    });\n\n                    helpers.each(topBoxes, function(box) {\n                        if (!box.fullWidth) {\n                            box.width = newMaxChartAreaWidth;\n                        }\n                    });\n\n                    helpers.each(bottomBoxes, function(box) {\n                        if (!box.fullWidth) {\n                            box.width = newMaxChartAreaWidth;\n                        }\n                    });\n\n                    maxChartAreaHeight = newMaxChartAreaHeight;\n                    maxChartAreaWidth = newMaxChartAreaWidth;\n                }\n\n                // Step 7 - Position the boxes\n                var left = leftPadding + leftPaddingAddition;\n                var top = topPadding + topPaddingAddition;\n\n                function placeBox(box) {\n                    if (box.isHorizontal()) {\n                        box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth;\n                        box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth;\n                        box.top = top;\n                        box.bottom = top + box.height;\n\n                        // Move to next point\n                        top = box.bottom;\n\n                    } else {\n\n                        box.left = left;\n                        box.right = left + box.width;\n                        box.top = totalTopBoxesHeight;\n                        box.bottom = totalTopBoxesHeight + maxChartAreaHeight;\n\n                        // Move to next point\n                        left = box.right;\n                    }\n                }\n\n                helpers.each(leftBoxes.concat(topBoxes), placeBox);\n\n                // Account for chart width and height\n                left += maxChartAreaWidth;\n                top += maxChartAreaHeight;\n\n                helpers.each(rightBoxes, placeBox);\n                helpers.each(bottomBoxes, placeBox);\n\n                // Step 8\n                chart.chartArea = {\n                    left: totalLeftBoxesWidth,\n                    top: totalTopBoxesHeight,\n                    right: totalLeftBoxesWidth + maxChartAreaWidth,\n                    bottom: totalTopBoxesHeight + maxChartAreaHeight\n                };\n\n                // Step 9\n                helpers.each(chartAreaBoxes, function(box) {\n                    box.left = chart.chartArea.left;\n                    box.top = chart.chartArea.top;\n                    box.right = chart.chartArea.right;\n                    box.bottom = chart.chartArea.bottom;\n\n                    box.update(maxChartAreaWidth, maxChartAreaHeight);\n                });\n            }\n        };\n    };\n\n},{\"45\":45}],31:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        plugins: {}\n    });\n\n    module.exports = function(Chart) {\n\n        /**\n         * The plugin service singleton\n         * @namespace Chart.plugins\n         * @since 2.1.0\n         */\n        Chart.plugins = {\n            /**\n             * Globally registered plugins.\n             * @private\n             */\n            _plugins: [],\n\n            /**\n             * This identifier is used to invalidate the descriptors cache attached to each chart\n             * when a global plugin is registered or unregistered. In this case, the cache ID is\n             * incremented and descriptors are regenerated during following API calls.\n             * @private\n             */\n            _cacheId: 0,\n\n            /**\n             * Registers the given plugin(s) if not already registered.\n             * @param {Array|Object} plugins plugin instance(s).\n             */\n            register: function(plugins) {\n                var p = this._plugins;\n                ([]).concat(plugins).forEach(function(plugin) {\n                    if (p.indexOf(plugin) === -1) {\n                        p.push(plugin);\n                    }\n                });\n\n                this._cacheId++;\n            },\n\n            /**\n             * Unregisters the given plugin(s) only if registered.\n             * @param {Array|Object} plugins plugin instance(s).\n             */\n            unregister: function(plugins) {\n                var p = this._plugins;\n                ([]).concat(plugins).forEach(function(plugin) {\n                    var idx = p.indexOf(plugin);\n                    if (idx !== -1) {\n                        p.splice(idx, 1);\n                    }\n                });\n\n                this._cacheId++;\n            },\n\n            /**\n             * Remove all registered plugins.\n             * @since 2.1.5\n             */\n            clear: function() {\n                this._plugins = [];\n                this._cacheId++;\n            },\n\n            /**\n             * Returns the number of registered plugins?\n             * @returns {Number}\n             * @since 2.1.5\n             */\n            count: function() {\n                return this._plugins.length;\n            },\n\n            /**\n             * Returns all registered plugin instances.\n             * @returns {Array} array of plugin objects.\n             * @since 2.1.5\n             */\n            getAll: function() {\n                return this._plugins;\n            },\n\n            /**\n             * Calls enabled plugins for `chart` on the specified hook and with the given args.\n             * This method immediately returns as soon as a plugin explicitly returns false. The\n             * returned value can be used, for instance, to interrupt the current action.\n             * @param {Object} chart - The chart instance for which plugins should be called.\n             * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate').\n             * @param {Array} [args] - Extra arguments to apply to the hook call.\n             * @returns {Boolean} false if any of the plugins return false, else returns true.\n             */\n            notify: function(chart, hook, args) {\n                var descriptors = this.descriptors(chart);\n                var ilen = descriptors.length;\n                var i, descriptor, plugin, params, method;\n\n                for (i = 0; i < ilen; ++i) {\n                    descriptor = descriptors[i];\n                    plugin = descriptor.plugin;\n                    method = plugin[hook];\n                    if (typeof method === 'function') {\n                        params = [chart].concat(args || []);\n                        params.push(descriptor.options);\n                        if (method.apply(plugin, params) === false) {\n                            return false;\n                        }\n                    }\n                }\n\n                return true;\n            },\n\n            /**\n             * Returns descriptors of enabled plugins for the given chart.\n             * @returns {Array} [{ plugin, options }]\n             * @private\n             */\n            descriptors: function(chart) {\n                var cache = chart._plugins || (chart._plugins = {});\n                if (cache.id === this._cacheId) {\n                    return cache.descriptors;\n                }\n\n                var plugins = [];\n                var descriptors = [];\n                var config = (chart && chart.config) || {};\n                var options = (config.options && config.options.plugins) || {};\n\n                this._plugins.concat(config.plugins || []).forEach(function(plugin) {\n                    var idx = plugins.indexOf(plugin);\n                    if (idx !== -1) {\n                        return;\n                    }\n\n                    var id = plugin.id;\n                    var opts = options[id];\n                    if (opts === false) {\n                        return;\n                    }\n\n                    if (opts === true) {\n                        opts = helpers.clone(defaults.global.plugins[id]);\n                    }\n\n                    plugins.push(plugin);\n                    descriptors.push({\n                        plugin: plugin,\n                        options: opts || {}\n                    });\n                });\n\n                cache.descriptors = descriptors;\n                cache.id = this._cacheId;\n                return descriptors;\n            }\n        };\n\n        /**\n         * Plugin extension hooks.\n         * @interface IPlugin\n         * @since 2.1.0\n         */\n        /**\n         * @method IPlugin#beforeInit\n         * @desc Called before initializing `chart`.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#afterInit\n         * @desc Called after `chart` has been initialized and before the first update.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeUpdate\n         * @desc Called before updating `chart`. If any plugin returns `false`, the update\n         * is cancelled (and thus subsequent render(s)) until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart update.\n         */\n        /**\n         * @method IPlugin#afterUpdate\n         * @desc Called after `chart` has been updated and before rendering. Note that this\n         * hook will not be called if the chart update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetsUpdate\n         * @desc Called before updating the `chart` datasets. If any plugin returns `false`,\n         * the datasets update is cancelled until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} false to cancel the datasets update.\n         * @since version 2.1.5\n         */\n        /**\n         * @method IPlugin#afterDatasetsUpdate\n         * @desc Called after the `chart` datasets have been updated. Note that this hook\n         * will not be called if the datasets update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @since version 2.1.5\n         */\n        /**\n         * @method IPlugin#beforeDatasetUpdate\n         * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin\n         * returns `false`, the datasets update is cancelled until another `update` is triggered.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetUpdate\n         * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note\n         * that this hook will not be called if the datasets update has been previously cancelled.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeLayout\n         * @desc Called before laying out `chart`. If any plugin returns `false`,\n         * the layout update is cancelled until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart layout.\n         */\n        /**\n         * @method IPlugin#afterLayout\n         * @desc Called after the `chart` has been layed out. Note that this hook will not\n         * be called if the layout update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeRender\n         * @desc Called before rendering `chart`. If any plugin returns `false`,\n         * the rendering is cancelled until another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart rendering.\n         */\n        /**\n         * @method IPlugin#afterRender\n         * @desc Called after the `chart` has been fully rendered (and animation completed). Note\n         * that this hook will not be called if the rendering has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDraw\n         * @desc Called before drawing `chart` at every animation frame specified by the given\n         * easing value. If any plugin returns `false`, the frame drawing is cancelled until\n         * another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart drawing.\n         */\n        /**\n         * @method IPlugin#afterDraw\n         * @desc Called after the `chart` has been drawn for the specific easing value. Note\n         * that this hook will not be called if the drawing has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetsDraw\n         * @desc Called before drawing the `chart` datasets. If any plugin returns `false`,\n         * the datasets drawing is cancelled until another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetsDraw\n         * @desc Called after the `chart` datasets have been drawn. Note that this hook\n         * will not be called if the datasets drawing has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetDraw\n         * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets\n         * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing\n         * is cancelled until another `render` is triggered.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetDraw\n         * @desc Called after the `chart` datasets at the given `args.index` have been drawn\n         * (datasets are drawn in the reverse order). Note that this hook will not be called\n         * if the datasets drawing has been previously cancelled.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeEvent\n         * @desc Called before processing the specified `event`. If any plugin returns `false`,\n         * the event will be discarded.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {IEvent} event - The event object.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#afterEvent\n         * @desc Called after the `event` has been consumed. Note that this hook\n         * will not be called if the `event` has been previously discarded.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {IEvent} event - The event object.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#resize\n         * @desc Called after the chart as been resized.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} size - The new canvas display size (eq. canvas.style width & height).\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#destroy\n         * @desc Called after the chart as been destroyed.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n\n        /**\n         * Provided for backward compatibility, use Chart.plugins instead\n         * @namespace Chart.pluginService\n         * @deprecated since version 2.1.5\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.pluginService = Chart.plugins;\n\n        /**\n         * Provided for backward compatibility, inheriting from Chart.PlugingBase has no\n         * effect, instead simply create/register plugins via plain JavaScript objects.\n         * @interface Chart.PluginBase\n         * @deprecated since version 2.5.0\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.PluginBase = Element.extend({});\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],32:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    defaults._set('scale', {\n        display: true,\n        position: 'left',\n        offset: false,\n\n        // grid line settings\n        gridLines: {\n            display: true,\n            color: 'rgba(0, 0, 0, 0.1)',\n            lineWidth: 1,\n            drawBorder: true,\n            drawOnChartArea: true,\n            drawTicks: true,\n            tickMarkLength: 10,\n            zeroLineWidth: 1,\n            zeroLineColor: 'rgba(0,0,0,0.25)',\n            zeroLineBorderDash: [],\n            zeroLineBorderDashOffset: 0.0,\n            offsetGridLines: false,\n            borderDash: [],\n            borderDashOffset: 0.0\n        },\n\n        // scale label\n        scaleLabel: {\n            // display property\n            display: false,\n\n            // actual label\n            labelString: '',\n\n            // line height\n            lineHeight: 1.2,\n\n            // top/bottom padding\n            padding: {\n                top: 4,\n                bottom: 4\n            }\n        },\n\n        // label settings\n        ticks: {\n            beginAtZero: false,\n            minRotation: 0,\n            maxRotation: 50,\n            mirror: false,\n            padding: 0,\n            reverse: false,\n            display: true,\n            autoSkip: true,\n            autoSkipPadding: 0,\n            labelOffset: 0,\n            // We pass through arrays to be rendered as multiline labels, we convert Others to strings here.\n            callback: Ticks.formatters.values,\n            minor: {},\n            major: {}\n        }\n    });\n\n    function labelsFromTicks(ticks) {\n        var labels = [];\n        var i, ilen;\n\n        for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n            labels.push(ticks[i].label);\n        }\n\n        return labels;\n    }\n\n    function getLineValue(scale, index, offsetGridLines) {\n        var lineValue = scale.getPixelForTick(index);\n\n        if (offsetGridLines) {\n            if (index === 0) {\n                lineValue -= (scale.getPixelForTick(1) - lineValue) / 2;\n            } else {\n                lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2;\n            }\n        }\n        return lineValue;\n    }\n\n    module.exports = function(Chart) {\n\n        function computeTextSize(context, tick, font) {\n            return helpers.isArray(tick) ?\n                helpers.longestText(context, font, tick) :\n                context.measureText(tick).width;\n        }\n\n        function parseFontOptions(options) {\n            var valueOrDefault = helpers.valueOrDefault;\n            var globalDefaults = defaults.global;\n            var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);\n            var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle);\n            var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily);\n\n            return {\n                size: size,\n                style: style,\n                family: family,\n                font: helpers.fontString(size, style, family)\n            };\n        }\n\n        function parseLineHeight(options) {\n            return helpers.options.toLineHeight(\n                helpers.valueOrDefault(options.lineHeight, 1.2),\n                helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize));\n        }\n\n        Chart.Scale = Element.extend({\n            /**\n             * Get the padding needed for the scale\n             * @method getPadding\n             * @private\n             * @returns {Padding} the necessary padding\n             */\n            getPadding: function() {\n                var me = this;\n                return {\n                    left: me.paddingLeft || 0,\n                    top: me.paddingTop || 0,\n                    right: me.paddingRight || 0,\n                    bottom: me.paddingBottom || 0\n                };\n            },\n\n            /**\n             * Returns the scale tick objects ({label, major})\n             * @since 2.7\n             */\n            getTicks: function() {\n                return this._ticks;\n            },\n\n            // These methods are ordered by lifecyle. Utilities then follow.\n            // Any function defined here is inherited by all scale types.\n            // Any function can be extended by the scale type\n\n            mergeTicksOptions: function() {\n                var ticks = this.options.ticks;\n                if (ticks.minor === false) {\n                    ticks.minor = {\n                        display: false\n                    };\n                }\n                if (ticks.major === false) {\n                    ticks.major = {\n                        display: false\n                    };\n                }\n                for (var key in ticks) {\n                    if (key !== 'major' && key !== 'minor') {\n                        if (typeof ticks.minor[key] === 'undefined') {\n                            ticks.minor[key] = ticks[key];\n                        }\n                        if (typeof ticks.major[key] === 'undefined') {\n                            ticks.major[key] = ticks[key];\n                        }\n                    }\n                }\n            },\n            beforeUpdate: function() {\n                helpers.callback(this.options.beforeUpdate, [this]);\n            },\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n                var i, ilen, labels, label, ticks, tick;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = helpers.extend({\n                    left: 0,\n                    right: 0,\n                    top: 0,\n                    bottom: 0\n                }, margins);\n                me.longestTextCache = me.longestTextCache || {};\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n\n                // Data min/max\n                me.beforeDataLimits();\n                me.determineDataLimits();\n                me.afterDataLimits();\n\n                // Ticks - `this.ticks` is now DEPRECATED!\n                // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member\n                // and must not be accessed directly from outside this class. `this.ticks` being\n                // around for long time and not marked as private, we can't change its structure\n                // without unexpected breaking changes. If you need to access the scale ticks,\n                // use scale.getTicks() instead.\n\n                me.beforeBuildTicks();\n\n                // New implementations should return an array of objects but for BACKWARD COMPAT,\n                // we still support no return (`this.ticks` internally set by calling this method).\n                ticks = me.buildTicks() || [];\n\n                me.afterBuildTicks();\n\n                me.beforeTickToLabelConversion();\n\n                // New implementations should return the formatted tick labels but for BACKWARD\n                // COMPAT, we still support no return (`this.ticks` internally changed by calling\n                // this method and supposed to contain only string values).\n                labels = me.convertTicksToLabels(ticks) || me.ticks;\n\n                me.afterTickToLabelConversion();\n\n                me.ticks = labels;   // BACKWARD COMPATIBILITY\n\n                // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change!\n\n                // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`)\n                for (i = 0, ilen = labels.length; i < ilen; ++i) {\n                    label = labels[i];\n                    tick = ticks[i];\n                    if (!tick) {\n                        ticks.push(tick = {\n                            label: label,\n                            major: false\n                        });\n                    } else {\n                        tick.label = label;\n                    }\n                }\n\n                me._ticks = ticks;\n\n                // Tick Rotation\n                me.beforeCalculateTickRotation();\n                me.calculateTickRotation();\n                me.afterCalculateTickRotation();\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n\n            },\n            afterUpdate: function() {\n                helpers.callback(this.options.afterUpdate, [this]);\n            },\n\n            //\n\n            beforeSetDimensions: function() {\n                helpers.callback(this.options.beforeSetDimensions, [this]);\n            },\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n            },\n            afterSetDimensions: function() {\n                helpers.callback(this.options.afterSetDimensions, [this]);\n            },\n\n            // Data limits\n            beforeDataLimits: function() {\n                helpers.callback(this.options.beforeDataLimits, [this]);\n            },\n            determineDataLimits: helpers.noop,\n            afterDataLimits: function() {\n                helpers.callback(this.options.afterDataLimits, [this]);\n            },\n\n            //\n            beforeBuildTicks: function() {\n                helpers.callback(this.options.beforeBuildTicks, [this]);\n            },\n            buildTicks: helpers.noop,\n            afterBuildTicks: function() {\n                helpers.callback(this.options.afterBuildTicks, [this]);\n            },\n\n            beforeTickToLabelConversion: function() {\n                helpers.callback(this.options.beforeTickToLabelConversion, [this]);\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n                // Convert ticks to strings\n                var tickOpts = me.options.ticks;\n                me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this);\n            },\n            afterTickToLabelConversion: function() {\n                helpers.callback(this.options.afterTickToLabelConversion, [this]);\n            },\n\n            //\n\n            beforeCalculateTickRotation: function() {\n                helpers.callback(this.options.beforeCalculateTickRotation, [this]);\n            },\n            calculateTickRotation: function() {\n                var me = this;\n                var context = me.ctx;\n                var tickOpts = me.options.ticks;\n                var labels = labelsFromTicks(me._ticks);\n\n                // Get the width of each grid by calculating the difference\n                // between x offsets between 0 and 1.\n                var tickFont = parseFontOptions(tickOpts);\n                context.font = tickFont.font;\n\n                var labelRotation = tickOpts.minRotation || 0;\n\n                if (labels.length && me.options.display && me.isHorizontal()) {\n                    var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache);\n                    var labelWidth = originalLabelWidth;\n                    var cosRotation, sinRotation;\n\n                    // Allow 3 pixels x2 padding either side for label readability\n                    var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6;\n\n                    // Max label rotation can be set or default to 90 - also act as a loop counter\n                    while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) {\n                        var angleRadians = helpers.toRadians(labelRotation);\n                        cosRotation = Math.cos(angleRadians);\n                        sinRotation = Math.sin(angleRadians);\n\n                        if (sinRotation * originalLabelWidth > me.maxHeight) {\n                            // go back one step\n                            labelRotation--;\n                            break;\n                        }\n\n                        labelRotation++;\n                        labelWidth = cosRotation * originalLabelWidth;\n                    }\n                }\n\n                me.labelRotation = labelRotation;\n            },\n            afterCalculateTickRotation: function() {\n                helpers.callback(this.options.afterCalculateTickRotation, [this]);\n            },\n\n            //\n\n            beforeFit: function() {\n                helpers.callback(this.options.beforeFit, [this]);\n            },\n            fit: function() {\n                var me = this;\n                // Reset\n                var minSize = me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n\n                var labels = labelsFromTicks(me._ticks);\n\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var scaleLabelOpts = opts.scaleLabel;\n                var gridLineOpts = opts.gridLines;\n                var display = opts.display;\n                var isHorizontal = me.isHorizontal();\n\n                var tickFont = parseFontOptions(tickOpts);\n                var tickMarkLength = opts.gridLines.tickMarkLength;\n\n                // Width\n                if (isHorizontal) {\n                    // subtract the margins to line up with the chartArea if we are a full width scale\n                    minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth;\n                } else {\n                    minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n                }\n\n                // height\n                if (isHorizontal) {\n                    minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n                } else {\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                // Are we showing a title for the scale?\n                if (scaleLabelOpts.display && display) {\n                    var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts);\n                    var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding);\n                    var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height;\n\n                    if (isHorizontal) {\n                        minSize.height += deltaHeight;\n                    } else {\n                        minSize.width += deltaHeight;\n                    }\n                }\n\n                // Don't bother fitting the ticks if we are not showing them\n                if (tickOpts.display && display) {\n                    var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache);\n                    var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels);\n                    var lineSpace = tickFont.size * 0.5;\n                    var tickPadding = me.options.ticks.padding;\n\n                    if (isHorizontal) {\n                        // A horizontal axis is more constrained by the height.\n                        me.longestLabelWidth = largestTextWidth;\n\n                        var angleRadians = helpers.toRadians(me.labelRotation);\n                        var cosRotation = Math.cos(angleRadians);\n                        var sinRotation = Math.sin(angleRadians);\n\n                        // TODO - improve this calculation\n                        var labelHeight = (sinRotation * largestTextWidth)\n                            + (tickFont.size * tallestLabelHeightInLines)\n                            + (lineSpace * (tallestLabelHeightInLines - 1))\n                            + lineSpace; // padding\n\n                        minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);\n\n                        me.ctx.font = tickFont.font;\n                        var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font);\n                        var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font);\n\n                        // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned\n                        // which means that the right padding is dominated by the font height\n                        if (me.labelRotation !== 0) {\n                            me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges\n                            me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3;\n                        } else {\n                            me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges\n                            me.paddingRight = lastLabelWidth / 2 + 3;\n                        }\n                    } else {\n                        // A vertical axis is more constrained by the width. Labels are the\n                        // dominant factor here, so get that length first and account for padding\n                        if (tickOpts.mirror) {\n                            largestTextWidth = 0;\n                        } else {\n                            // use lineSpace for consistency with horizontal axis\n                            // tickPadding is not implemented for horizontal\n                            largestTextWidth += tickPadding + lineSpace;\n                        }\n\n                        minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth);\n\n                        me.paddingTop = tickFont.size / 2;\n                        me.paddingBottom = tickFont.size / 2;\n                    }\n                }\n\n                me.handleMargins();\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n            },\n\n            /**\n             * Handle margins and padding interactions\n             * @private\n             */\n            handleMargins: function() {\n                var me = this;\n                if (me.margins) {\n                    me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0);\n                    me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0);\n                    me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0);\n                    me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0);\n                }\n            },\n\n            afterFit: function() {\n                helpers.callback(this.options.afterFit, [this]);\n            },\n\n            // Shared Methods\n            isHorizontal: function() {\n                return this.options.position === 'top' || this.options.position === 'bottom';\n            },\n            isFullWidth: function() {\n                return (this.options.fullWidth);\n            },\n\n            // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not\n            getRightValue: function(rawValue) {\n                // Null and undefined values first\n                if (helpers.isNullOrUndef(rawValue)) {\n                    return NaN;\n                }\n                // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values\n                if (typeof rawValue === 'number' && !isFinite(rawValue)) {\n                    return NaN;\n                }\n                // If it is in fact an object, dive in one more level\n                if (rawValue) {\n                    if (this.isHorizontal()) {\n                        if (rawValue.x !== undefined) {\n                            return this.getRightValue(rawValue.x);\n                        }\n                    } else if (rawValue.y !== undefined) {\n                        return this.getRightValue(rawValue.y);\n                    }\n                }\n\n                // Value is good, return it\n                return rawValue;\n            },\n\n            // Used to get the value to display in the tooltip for the data at the given index\n            // function getLabelForIndex(index, datasetIndex)\n            getLabelForIndex: helpers.noop,\n\n            // Used to get data value locations.  Value can either be an index or a numerical value\n            getPixelForValue: helpers.noop,\n\n            // Used to get the data value from a given pixel. This is the inverse of getPixelForValue\n            getValueForPixel: helpers.noop,\n\n            // Used for tick location, should\n            getPixelForTick: function(index) {\n                var me = this;\n                var offset = me.options.offset;\n                if (me.isHorizontal()) {\n                    var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n                    var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n                    var pixel = (tickWidth * index) + me.paddingLeft;\n\n                    if (offset) {\n                        pixel += tickWidth / 2;\n                    }\n\n                    var finalVal = me.left + Math.round(pixel);\n                    finalVal += me.isFullWidth() ? me.margins.left : 0;\n                    return finalVal;\n                }\n                var innerHeight = me.height - (me.paddingTop + me.paddingBottom);\n                return me.top + (index * (innerHeight / (me._ticks.length - 1)));\n            },\n\n            // Utility for getting the pixel location of a percentage of scale\n            getPixelForDecimal: function(decimal) {\n                var me = this;\n                if (me.isHorizontal()) {\n                    var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n                    var valueOffset = (innerWidth * decimal) + me.paddingLeft;\n\n                    var finalVal = me.left + Math.round(valueOffset);\n                    finalVal += me.isFullWidth() ? me.margins.left : 0;\n                    return finalVal;\n                }\n                return me.top + (decimal * me.height);\n            },\n\n            getBasePixel: function() {\n                return this.getPixelForValue(this.getBaseValue());\n            },\n\n            getBaseValue: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n\n                return me.beginAtZero ? 0 :\n                    min < 0 && max < 0 ? max :\n                        min > 0 && max > 0 ? min :\n                            0;\n            },\n\n            /**\n             * Returns a subset of ticks to be plotted to avoid overlapping labels.\n             * @private\n             */\n            _autoSkip: function(ticks) {\n                var skipRatio;\n                var me = this;\n                var isHorizontal = me.isHorizontal();\n                var optionTicks = me.options.ticks.minor;\n                var tickCount = ticks.length;\n                var labelRotationRadians = helpers.toRadians(me.labelRotation);\n                var cosRotation = Math.cos(labelRotationRadians);\n                var longestRotatedLabel = me.longestLabelWidth * cosRotation;\n                var result = [];\n                var i, tick, shouldSkip;\n\n                // figure out the maximum number of gridlines to show\n                var maxTicks;\n                if (optionTicks.maxTicksLimit) {\n                    maxTicks = optionTicks.maxTicksLimit;\n                }\n\n                if (isHorizontal) {\n                    skipRatio = false;\n\n                    if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) {\n                        skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight)));\n                    }\n\n                    // if they defined a max number of optionTicks,\n                    // increase skipRatio until that number is met\n                    if (maxTicks && tickCount > maxTicks) {\n                        skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks));\n                    }\n                }\n\n                for (i = 0; i < tickCount; i++) {\n                    tick = ticks[i];\n\n                    // Since we always show the last tick,we need may need to hide the last shown one before\n                    shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount);\n                    if (shouldSkip && i !== tickCount - 1 || helpers.isNullOrUndef(tick.label)) {\n                        // leave tick in place but make sure it's not displayed (#4635)\n                        delete tick.label;\n                    }\n                    result.push(tick);\n                }\n                return result;\n            },\n\n            // Actually draw the scale on the canvas\n            // @param {rectangle} chartArea : the area of the chart to draw full grid lines on\n            draw: function(chartArea) {\n                var me = this;\n                var options = me.options;\n                if (!options.display) {\n                    return;\n                }\n\n                var context = me.ctx;\n                var globalDefaults = defaults.global;\n                var optionTicks = options.ticks.minor;\n                var optionMajorTicks = options.ticks.major || optionTicks;\n                var gridLines = options.gridLines;\n                var scaleLabel = options.scaleLabel;\n\n                var isRotated = me.labelRotation !== 0;\n                var isHorizontal = me.isHorizontal();\n\n                var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks();\n                var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor);\n                var tickFont = parseFontOptions(optionTicks);\n                var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor);\n                var majorTickFont = parseFontOptions(optionMajorTicks);\n\n                var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0;\n\n                var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor);\n                var scaleLabelFont = parseFontOptions(scaleLabel);\n                var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding);\n                var labelRotationRadians = helpers.toRadians(me.labelRotation);\n\n                var itemsToDraw = [];\n\n                var xTickStart = options.position === 'right' ? me.left : me.right - tl;\n                var xTickEnd = options.position === 'right' ? me.left + tl : me.right;\n                var yTickStart = options.position === 'bottom' ? me.top : me.bottom - tl;\n                var yTickEnd = options.position === 'bottom' ? me.top + tl : me.bottom;\n\n                helpers.each(ticks, function(tick, index) {\n                    // autoskipper skipped this tick (#4635)\n                    if (tick.label === undefined) {\n                        return;\n                    }\n\n                    var label = tick.label;\n                    var lineWidth, lineColor, borderDash, borderDashOffset;\n                    if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) {\n                        // Draw the first index specially\n                        lineWidth = gridLines.zeroLineWidth;\n                        lineColor = gridLines.zeroLineColor;\n                        borderDash = gridLines.zeroLineBorderDash;\n                        borderDashOffset = gridLines.zeroLineBorderDashOffset;\n                    } else {\n                        lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index);\n                        lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index);\n                        borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash);\n                        borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset);\n                    }\n\n                    // Common properties\n                    var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY;\n                    var textAlign = 'middle';\n                    var textBaseline = 'middle';\n                    var tickPadding = optionTicks.padding;\n\n                    if (isHorizontal) {\n                        var labelYOffset = tl + tickPadding;\n\n                        if (options.position === 'bottom') {\n                            // bottom\n                            textBaseline = !isRotated ? 'top' : 'middle';\n                            textAlign = !isRotated ? 'center' : 'right';\n                            labelY = me.top + labelYOffset;\n                        } else {\n                            // top\n                            textBaseline = !isRotated ? 'bottom' : 'middle';\n                            textAlign = !isRotated ? 'center' : 'left';\n                            labelY = me.bottom - labelYOffset;\n                        }\n\n                        var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n                        if (xLineValue < me.left) {\n                            lineColor = 'rgba(0,0,0,0)';\n                        }\n                        xLineValue += helpers.aliasPixel(lineWidth);\n\n                        labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option)\n\n                        tx1 = tx2 = x1 = x2 = xLineValue;\n                        ty1 = yTickStart;\n                        ty2 = yTickEnd;\n                        y1 = chartArea.top;\n                        y2 = chartArea.bottom;\n                    } else {\n                        var isLeft = options.position === 'left';\n                        var labelXOffset;\n\n                        if (optionTicks.mirror) {\n                            textAlign = isLeft ? 'left' : 'right';\n                            labelXOffset = tickPadding;\n                        } else {\n                            textAlign = isLeft ? 'right' : 'left';\n                            labelXOffset = tl + tickPadding;\n                        }\n\n                        labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset;\n\n                        var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n                        if (yLineValue < me.top) {\n                            lineColor = 'rgba(0,0,0,0)';\n                        }\n                        yLineValue += helpers.aliasPixel(lineWidth);\n\n                        labelY = me.getPixelForTick(index) + optionTicks.labelOffset;\n\n                        tx1 = xTickStart;\n                        tx2 = xTickEnd;\n                        x1 = chartArea.left;\n                        x2 = chartArea.right;\n                        ty1 = ty2 = y1 = y2 = yLineValue;\n                    }\n\n                    itemsToDraw.push({\n                        tx1: tx1,\n                        ty1: ty1,\n                        tx2: tx2,\n                        ty2: ty2,\n                        x1: x1,\n                        y1: y1,\n                        x2: x2,\n                        y2: y2,\n                        labelX: labelX,\n                        labelY: labelY,\n                        glWidth: lineWidth,\n                        glColor: lineColor,\n                        glBorderDash: borderDash,\n                        glBorderDashOffset: borderDashOffset,\n                        rotation: -1 * labelRotationRadians,\n                        label: label,\n                        major: tick.major,\n                        textBaseline: textBaseline,\n                        textAlign: textAlign\n                    });\n                });\n\n                // Draw all of the tick labels, tick marks, and grid lines at the correct places\n                helpers.each(itemsToDraw, function(itemToDraw) {\n                    if (gridLines.display) {\n                        context.save();\n                        context.lineWidth = itemToDraw.glWidth;\n                        context.strokeStyle = itemToDraw.glColor;\n                        if (context.setLineDash) {\n                            context.setLineDash(itemToDraw.glBorderDash);\n                            context.lineDashOffset = itemToDraw.glBorderDashOffset;\n                        }\n\n                        context.beginPath();\n\n                        if (gridLines.drawTicks) {\n                            context.moveTo(itemToDraw.tx1, itemToDraw.ty1);\n                            context.lineTo(itemToDraw.tx2, itemToDraw.ty2);\n                        }\n\n                        if (gridLines.drawOnChartArea) {\n                            context.moveTo(itemToDraw.x1, itemToDraw.y1);\n                            context.lineTo(itemToDraw.x2, itemToDraw.y2);\n                        }\n\n                        context.stroke();\n                        context.restore();\n                    }\n\n                    if (optionTicks.display) {\n                        // Make sure we draw text in the correct color and font\n                        context.save();\n                        context.translate(itemToDraw.labelX, itemToDraw.labelY);\n                        context.rotate(itemToDraw.rotation);\n                        context.font = itemToDraw.major ? majorTickFont.font : tickFont.font;\n                        context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor;\n                        context.textBaseline = itemToDraw.textBaseline;\n                        context.textAlign = itemToDraw.textAlign;\n\n                        var label = itemToDraw.label;\n                        if (helpers.isArray(label)) {\n                            for (var i = 0, y = 0; i < label.length; ++i) {\n                                // We just make sure the multiline element is a string here..\n                                context.fillText('' + label[i], 0, y);\n                                // apply same lineSpacing as calculated @ L#320\n                                y += (tickFont.size * 1.5);\n                            }\n                        } else {\n                            context.fillText(label, 0, 0);\n                        }\n                        context.restore();\n                    }\n                });\n\n                if (scaleLabel.display) {\n                    // Draw the scale label\n                    var scaleLabelX;\n                    var scaleLabelY;\n                    var rotation = 0;\n                    var halfLineHeight = parseLineHeight(scaleLabel) / 2;\n\n                    if (isHorizontal) {\n                        scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width\n                        scaleLabelY = options.position === 'bottom'\n                            ? me.bottom - halfLineHeight - scaleLabelPadding.bottom\n                            : me.top + halfLineHeight + scaleLabelPadding.top;\n                    } else {\n                        var isLeft = options.position === 'left';\n                        scaleLabelX = isLeft\n                            ? me.left + halfLineHeight + scaleLabelPadding.top\n                            : me.right - halfLineHeight - scaleLabelPadding.top;\n                        scaleLabelY = me.top + ((me.bottom - me.top) / 2);\n                        rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;\n                    }\n\n                    context.save();\n                    context.translate(scaleLabelX, scaleLabelY);\n                    context.rotate(rotation);\n                    context.textAlign = 'center';\n                    context.textBaseline = 'middle';\n                    context.fillStyle = scaleLabelFontColor; // render in correct colour\n                    context.font = scaleLabelFont.font;\n                    context.fillText(scaleLabel.labelString, 0, 0);\n                    context.restore();\n                }\n\n                if (gridLines.drawBorder) {\n                    // Draw the line at the edge of the axis\n                    context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0);\n                    context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0);\n                    var x1 = me.left;\n                    var x2 = me.right;\n                    var y1 = me.top;\n                    var y2 = me.bottom;\n\n                    var aliasPixel = helpers.aliasPixel(context.lineWidth);\n                    if (isHorizontal) {\n                        y1 = y2 = options.position === 'top' ? me.bottom : me.top;\n                        y1 += aliasPixel;\n                        y2 += aliasPixel;\n                    } else {\n                        x1 = x2 = options.position === 'left' ? me.right : me.left;\n                        x1 += aliasPixel;\n                        x2 += aliasPixel;\n                    }\n\n                    context.beginPath();\n                    context.moveTo(x1, y1);\n                    context.lineTo(x2, y2);\n                    context.stroke();\n                }\n            }\n        });\n    };\n\n},{\"25\":25,\"26\":26,\"34\":34,\"45\":45}],33:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        Chart.scaleService = {\n            // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then\n            // use the new chart options to grab the correct scale\n            constructors: {},\n            // Use a registration function so that we can move to an ES6 map when we no longer need to support\n            // old browsers\n\n            // Scale config defaults\n            defaults: {},\n            registerScaleType: function(type, scaleConstructor, scaleDefaults) {\n                this.constructors[type] = scaleConstructor;\n                this.defaults[type] = helpers.clone(scaleDefaults);\n            },\n            getScaleConstructor: function(type) {\n                return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;\n            },\n            getScaleDefaults: function(type) {\n                // Return the scale defaults merged with the global settings so that we always use the latest ones\n                return this.defaults.hasOwnProperty(type) ? helpers.merge({}, [defaults.scale, this.defaults[type]]) : {};\n            },\n            updateScaleDefaults: function(type, additions) {\n                var me = this;\n                if (me.defaults.hasOwnProperty(type)) {\n                    me.defaults[type] = helpers.extend(me.defaults[type], additions);\n                }\n            },\n            addScalesToLayout: function(chart) {\n                // Adds each scale to the chart.boxes array to be sized accordingly\n                helpers.each(chart.scales, function(scale) {\n                    // Set ILayoutItem parameters for backwards compatibility\n                    scale.fullWidth = scale.options.fullWidth;\n                    scale.position = scale.options.position;\n                    scale.weight = scale.options.weight;\n                    Chart.layoutService.addBox(chart, scale);\n                });\n            }\n        };\n    };\n\n},{\"25\":25,\"45\":45}],34:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    /**\n     * Namespace to hold static tick generation functions\n     * @namespace Chart.Ticks\n     */\n    module.exports = {\n        /**\n         * Namespace to hold generators for different types of ticks\n         * @namespace Chart.Ticks.generators\n         */\n        generators: {\n            /**\n             * Interface for the options provided to the numeric tick generator\n             * @interface INumericTickGenerationOptions\n             */\n            /**\n             * The maximum number of ticks to display\n             * @name INumericTickGenerationOptions#maxTicks\n             * @type Number\n             */\n            /**\n             * The distance between each tick.\n             * @name INumericTickGenerationOptions#stepSize\n             * @type Number\n             * @optional\n             */\n            /**\n             * Forced minimum for the ticks. If not specified, the minimum of the data range is used to calculate the tick minimum\n             * @name INumericTickGenerationOptions#min\n             * @type Number\n             * @optional\n             */\n            /**\n             * The maximum value of the ticks. If not specified, the maximum of the data range is used to calculate the tick maximum\n             * @name INumericTickGenerationOptions#max\n             * @type Number\n             * @optional\n             */\n\n            /**\n             * Generate a set of linear ticks\n             * @method Chart.Ticks.generators.linear\n             * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n             * @param dataRange {IRange} the range of the data\n             * @returns {Array<Number>} array of tick values\n             */\n            linear: function(generationOptions, dataRange) {\n                var ticks = [];\n                // To get a \"nice\" value for the tick spacing, we will use the appropriately named\n                // \"nice number\" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks\n                // for details.\n\n                var spacing;\n                if (generationOptions.stepSize && generationOptions.stepSize > 0) {\n                    spacing = generationOptions.stepSize;\n                } else {\n                    var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false);\n                    spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true);\n                }\n                var niceMin = Math.floor(dataRange.min / spacing) * spacing;\n                var niceMax = Math.ceil(dataRange.max / spacing) * spacing;\n\n                // If min, max and stepSize is set and they make an evenly spaced scale use it.\n                if (generationOptions.min && generationOptions.max && generationOptions.stepSize) {\n                    // If very close to our whole number, use it.\n                    if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) {\n                        niceMin = generationOptions.min;\n                        niceMax = generationOptions.max;\n                    }\n                }\n\n                var numSpaces = (niceMax - niceMin) / spacing;\n                // If very close to our rounded value, use it.\n                if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\n                    numSpaces = Math.round(numSpaces);\n                } else {\n                    numSpaces = Math.ceil(numSpaces);\n                }\n\n                // Put the values into the ticks array\n                ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin);\n                for (var j = 1; j < numSpaces; ++j) {\n                    ticks.push(niceMin + (j * spacing));\n                }\n                ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax);\n\n                return ticks;\n            },\n\n            /**\n             * Generate a set of logarithmic ticks\n             * @method Chart.Ticks.generators.logarithmic\n             * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n             * @param dataRange {IRange} the range of the data\n             * @returns {Array<Number>} array of tick values\n             */\n            logarithmic: function(generationOptions, dataRange) {\n                var ticks = [];\n                var valueOrDefault = helpers.valueOrDefault;\n\n                // Figure out what the max number of ticks we can support it is based on the size of\n                // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n                // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n                // the graph\n                var tickVal = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min))));\n\n                var endExp = Math.floor(helpers.log10(dataRange.max));\n                var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\n                var exp, significand;\n\n                if (tickVal === 0) {\n                    exp = Math.floor(helpers.log10(dataRange.minNotZero));\n                    significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));\n\n                    ticks.push(tickVal);\n                    tickVal = significand * Math.pow(10, exp);\n                } else {\n                    exp = Math.floor(helpers.log10(tickVal));\n                    significand = Math.floor(tickVal / Math.pow(10, exp));\n                }\n\n                do {\n                    ticks.push(tickVal);\n\n                    ++significand;\n                    if (significand === 10) {\n                        significand = 1;\n                        ++exp;\n                    }\n\n                    tickVal = significand * Math.pow(10, exp);\n                } while (exp < endExp || (exp === endExp && significand < endSignificand));\n\n                var lastTick = valueOrDefault(generationOptions.max, tickVal);\n                ticks.push(lastTick);\n\n                return ticks;\n            }\n        },\n\n        /**\n         * Namespace to hold formatters for different types of ticks\n         * @namespace Chart.Ticks.formatters\n         */\n        formatters: {\n            /**\n             * Formatter for value labels\n             * @method Chart.Ticks.formatters.values\n             * @param value the value to display\n             * @return {String|Array} the label to display\n             */\n            values: function(value) {\n                return helpers.isArray(value) ? value : '' + value;\n            },\n\n            /**\n             * Formatter for linear numeric ticks\n             * @method Chart.Ticks.formatters.linear\n             * @param tickValue {Number} the value to be formatted\n             * @param index {Number} the position of the tickValue parameter in the ticks array\n             * @param ticks {Array<Number>} the list of ticks being converted\n             * @return {String} string representation of the tickValue parameter\n             */\n            linear: function(tickValue, index, ticks) {\n                // If we have lots of ticks, don't use the ones\n                var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];\n\n                // If we have a number like 2.5 as the delta, figure out how many decimal places we need\n                if (Math.abs(delta) > 1) {\n                    if (tickValue !== Math.floor(tickValue)) {\n                        // not an integer\n                        delta = tickValue - Math.floor(tickValue);\n                    }\n                }\n\n                var logDelta = helpers.log10(Math.abs(delta));\n                var tickString = '';\n\n                if (tickValue !== 0) {\n                    var numDecimal = -1 * Math.floor(logDelta);\n                    numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places\n                    tickString = tickValue.toFixed(numDecimal);\n                } else {\n                    tickString = '0'; // never show decimal places for 0\n                }\n\n                return tickString;\n            },\n\n            logarithmic: function(tickValue, index, ticks) {\n                var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue))));\n\n                if (tickValue === 0) {\n                    return '0';\n                } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) {\n                    return tickValue.toExponential();\n                }\n                return '';\n            }\n        }\n    };\n\n},{\"45\":45}],35:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        tooltips: {\n            enabled: true,\n            custom: null,\n            mode: 'nearest',\n            position: 'average',\n            intersect: true,\n            backgroundColor: 'rgba(0,0,0,0.8)',\n            titleFontStyle: 'bold',\n            titleSpacing: 2,\n            titleMarginBottom: 6,\n            titleFontColor: '#fff',\n            titleAlign: 'left',\n            bodySpacing: 2,\n            bodyFontColor: '#fff',\n            bodyAlign: 'left',\n            footerFontStyle: 'bold',\n            footerSpacing: 2,\n            footerMarginTop: 6,\n            footerFontColor: '#fff',\n            footerAlign: 'left',\n            yPadding: 6,\n            xPadding: 6,\n            caretPadding: 2,\n            caretSize: 5,\n            cornerRadius: 6,\n            multiKeyBackground: '#fff',\n            displayColors: true,\n            borderColor: 'rgba(0,0,0,0)',\n            borderWidth: 0,\n            callbacks: {\n                // Args are: (tooltipItems, data)\n                beforeTitle: helpers.noop,\n                title: function(tooltipItems, data) {\n                    // Pick first xLabel for now\n                    var title = '';\n                    var labels = data.labels;\n                    var labelCount = labels ? labels.length : 0;\n\n                    if (tooltipItems.length > 0) {\n                        var item = tooltipItems[0];\n\n                        if (item.xLabel) {\n                            title = item.xLabel;\n                        } else if (labelCount > 0 && item.index < labelCount) {\n                            title = labels[item.index];\n                        }\n                    }\n\n                    return title;\n                },\n                afterTitle: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                beforeBody: helpers.noop,\n\n                // Args are: (tooltipItem, data)\n                beforeLabel: helpers.noop,\n                label: function(tooltipItem, data) {\n                    var label = data.datasets[tooltipItem.datasetIndex].label || '';\n\n                    if (label) {\n                        label += ': ';\n                    }\n                    label += tooltipItem.yLabel;\n                    return label;\n                },\n                labelColor: function(tooltipItem, chart) {\n                    var meta = chart.getDatasetMeta(tooltipItem.datasetIndex);\n                    var activeElement = meta.data[tooltipItem.index];\n                    var view = activeElement._view;\n                    return {\n                        borderColor: view.borderColor,\n                        backgroundColor: view.backgroundColor\n                    };\n                },\n                labelTextColor: function() {\n                    return this._options.bodyFontColor;\n                },\n                afterLabel: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                afterBody: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                beforeFooter: helpers.noop,\n                footer: helpers.noop,\n                afterFooter: helpers.noop\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        /**\n         * Helper method to merge the opacity into a color\n         */\n        function mergeOpacity(colorString, opacity) {\n            var color = helpers.color(colorString);\n            return color.alpha(opacity * color.alpha()).rgbaString();\n        }\n\n        // Helper to push or concat based on if the 2nd parameter is an array or not\n        function pushOrConcat(base, toPush) {\n            if (toPush) {\n                if (helpers.isArray(toPush)) {\n                    // base = base.concat(toPush);\n                    Array.prototype.push.apply(base, toPush);\n                } else {\n                    base.push(toPush);\n                }\n            }\n\n            return base;\n        }\n\n        // Private helper to create a tooltip item model\n        // @param element : the chart element (point, arc, bar) to create the tooltip item for\n        // @return : new tooltip item\n        function createTooltipItem(element) {\n            var xScale = element._xScale;\n            var yScale = element._yScale || element._scale; // handle radar || polarArea charts\n            var index = element._index;\n            var datasetIndex = element._datasetIndex;\n\n            return {\n                xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '',\n                yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '',\n                index: index,\n                datasetIndex: datasetIndex,\n                x: element._model.x,\n                y: element._model.y\n            };\n        }\n\n        /**\n         * Helper to get the reset model for the tooltip\n         * @param tooltipOpts {Object} the tooltip options\n         */\n        function getBaseModel(tooltipOpts) {\n            var globalDefaults = defaults.global;\n            var valueOrDefault = helpers.valueOrDefault;\n\n            return {\n                // Positioning\n                xPadding: tooltipOpts.xPadding,\n                yPadding: tooltipOpts.yPadding,\n                xAlign: tooltipOpts.xAlign,\n                yAlign: tooltipOpts.yAlign,\n\n                // Body\n                bodyFontColor: tooltipOpts.bodyFontColor,\n                _bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily),\n                _bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle),\n                _bodyAlign: tooltipOpts.bodyAlign,\n                bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize),\n                bodySpacing: tooltipOpts.bodySpacing,\n\n                // Title\n                titleFontColor: tooltipOpts.titleFontColor,\n                _titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily),\n                _titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle),\n                titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize),\n                _titleAlign: tooltipOpts.titleAlign,\n                titleSpacing: tooltipOpts.titleSpacing,\n                titleMarginBottom: tooltipOpts.titleMarginBottom,\n\n                // Footer\n                footerFontColor: tooltipOpts.footerFontColor,\n                _footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily),\n                _footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle),\n                footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize),\n                _footerAlign: tooltipOpts.footerAlign,\n                footerSpacing: tooltipOpts.footerSpacing,\n                footerMarginTop: tooltipOpts.footerMarginTop,\n\n                // Appearance\n                caretSize: tooltipOpts.caretSize,\n                cornerRadius: tooltipOpts.cornerRadius,\n                backgroundColor: tooltipOpts.backgroundColor,\n                opacity: 0,\n                legendColorBackground: tooltipOpts.multiKeyBackground,\n                displayColors: tooltipOpts.displayColors,\n                borderColor: tooltipOpts.borderColor,\n                borderWidth: tooltipOpts.borderWidth\n            };\n        }\n\n        /**\n         * Get the size of the tooltip\n         */\n        function getTooltipSize(tooltip, model) {\n            var ctx = tooltip._chart.ctx;\n\n            var height = model.yPadding * 2; // Tooltip Padding\n            var width = 0;\n\n            // Count of all lines in the body\n            var body = model.body;\n            var combinedBodyLength = body.reduce(function(count, bodyItem) {\n                return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;\n            }, 0);\n            combinedBodyLength += model.beforeBody.length + model.afterBody.length;\n\n            var titleLineCount = model.title.length;\n            var footerLineCount = model.footer.length;\n            var titleFontSize = model.titleFontSize;\n            var bodyFontSize = model.bodyFontSize;\n            var footerFontSize = model.footerFontSize;\n\n            height += titleLineCount * titleFontSize; // Title Lines\n            height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing\n            height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin\n            height += combinedBodyLength * bodyFontSize; // Body Lines\n            height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing\n            height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin\n            height += footerLineCount * (footerFontSize); // Footer Lines\n            height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing\n\n            // Title width\n            var widthPadding = 0;\n            var maxLineWidth = function(line) {\n                width = Math.max(width, ctx.measureText(line).width + widthPadding);\n            };\n\n            ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily);\n            helpers.each(model.title, maxLineWidth);\n\n            // Body width\n            ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily);\n            helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth);\n\n            // Body lines may include some extra width due to the color box\n            widthPadding = model.displayColors ? (bodyFontSize + 2) : 0;\n            helpers.each(body, function(bodyItem) {\n                helpers.each(bodyItem.before, maxLineWidth);\n                helpers.each(bodyItem.lines, maxLineWidth);\n                helpers.each(bodyItem.after, maxLineWidth);\n            });\n\n            // Reset back to 0\n            widthPadding = 0;\n\n            // Footer width\n            ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily);\n            helpers.each(model.footer, maxLineWidth);\n\n            // Add padding\n            width += 2 * model.xPadding;\n\n            return {\n                width: width,\n                height: height\n            };\n        }\n\n        /**\n         * Helper to get the alignment of a tooltip given the size\n         */\n        function determineAlignment(tooltip, size) {\n            var model = tooltip._model;\n            var chart = tooltip._chart;\n            var chartArea = tooltip._chart.chartArea;\n            var xAlign = 'center';\n            var yAlign = 'center';\n\n            if (model.y < size.height) {\n                yAlign = 'top';\n            } else if (model.y > (chart.height - size.height)) {\n                yAlign = 'bottom';\n            }\n\n            var lf, rf; // functions to determine left, right alignment\n            var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart\n            var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges\n            var midX = (chartArea.left + chartArea.right) / 2;\n            var midY = (chartArea.top + chartArea.bottom) / 2;\n\n            if (yAlign === 'center') {\n                lf = function(x) {\n                    return x <= midX;\n                };\n                rf = function(x) {\n                    return x > midX;\n                };\n            } else {\n                lf = function(x) {\n                    return x <= (size.width / 2);\n                };\n                rf = function(x) {\n                    return x >= (chart.width - (size.width / 2));\n                };\n            }\n\n            olf = function(x) {\n                return x + size.width > chart.width;\n            };\n            orf = function(x) {\n                return x - size.width < 0;\n            };\n            yf = function(y) {\n                return y <= midY ? 'top' : 'bottom';\n            };\n\n            if (lf(model.x)) {\n                xAlign = 'left';\n\n                // Is tooltip too wide and goes over the right side of the chart.?\n                if (olf(model.x)) {\n                    xAlign = 'center';\n                    yAlign = yf(model.y);\n                }\n            } else if (rf(model.x)) {\n                xAlign = 'right';\n\n                // Is tooltip too wide and goes outside left edge of canvas?\n                if (orf(model.x)) {\n                    xAlign = 'center';\n                    yAlign = yf(model.y);\n                }\n            }\n\n            var opts = tooltip._options;\n            return {\n                xAlign: opts.xAlign ? opts.xAlign : xAlign,\n                yAlign: opts.yAlign ? opts.yAlign : yAlign\n            };\n        }\n\n        /**\n         * @Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment\n         */\n        function getBackgroundPoint(vm, size, alignment) {\n            // Background Position\n            var x = vm.x;\n            var y = vm.y;\n\n            var caretSize = vm.caretSize;\n            var caretPadding = vm.caretPadding;\n            var cornerRadius = vm.cornerRadius;\n            var xAlign = alignment.xAlign;\n            var yAlign = alignment.yAlign;\n            var paddingAndSize = caretSize + caretPadding;\n            var radiusAndPadding = cornerRadius + caretPadding;\n\n            if (xAlign === 'right') {\n                x -= size.width;\n            } else if (xAlign === 'center') {\n                x -= (size.width / 2);\n            }\n\n            if (yAlign === 'top') {\n                y += paddingAndSize;\n            } else if (yAlign === 'bottom') {\n                y -= size.height + paddingAndSize;\n            } else {\n                y -= (size.height / 2);\n            }\n\n            if (yAlign === 'center') {\n                if (xAlign === 'left') {\n                    x += paddingAndSize;\n                } else if (xAlign === 'right') {\n                    x -= paddingAndSize;\n                }\n            } else if (xAlign === 'left') {\n                x -= radiusAndPadding;\n            } else if (xAlign === 'right') {\n                x += radiusAndPadding;\n            }\n\n            return {\n                x: x,\n                y: y\n            };\n        }\n\n        Chart.Tooltip = Element.extend({\n            initialize: function() {\n                this._model = getBaseModel(this._options);\n            },\n\n            // Get the title\n            // Args are: (tooltipItem, data)\n            getTitle: function() {\n                var me = this;\n                var opts = me._options;\n                var callbacks = opts.callbacks;\n\n                var beforeTitle = callbacks.beforeTitle.apply(me, arguments);\n                var title = callbacks.title.apply(me, arguments);\n                var afterTitle = callbacks.afterTitle.apply(me, arguments);\n\n                var lines = [];\n                lines = pushOrConcat(lines, beforeTitle);\n                lines = pushOrConcat(lines, title);\n                lines = pushOrConcat(lines, afterTitle);\n\n                return lines;\n            },\n\n            // Args are: (tooltipItem, data)\n            getBeforeBody: function() {\n                var lines = this._options.callbacks.beforeBody.apply(this, arguments);\n                return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n            },\n\n            // Args are: (tooltipItem, data)\n            getBody: function(tooltipItems, data) {\n                var me = this;\n                var callbacks = me._options.callbacks;\n                var bodyItems = [];\n\n                helpers.each(tooltipItems, function(tooltipItem) {\n                    var bodyItem = {\n                        before: [],\n                        lines: [],\n                        after: []\n                    };\n                    pushOrConcat(bodyItem.before, callbacks.beforeLabel.call(me, tooltipItem, data));\n                    pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data));\n                    pushOrConcat(bodyItem.after, callbacks.afterLabel.call(me, tooltipItem, data));\n\n                    bodyItems.push(bodyItem);\n                });\n\n                return bodyItems;\n            },\n\n            // Args are: (tooltipItem, data)\n            getAfterBody: function() {\n                var lines = this._options.callbacks.afterBody.apply(this, arguments);\n                return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n            },\n\n            // Get the footer and beforeFooter and afterFooter lines\n            // Args are: (tooltipItem, data)\n            getFooter: function() {\n                var me = this;\n                var callbacks = me._options.callbacks;\n\n                var beforeFooter = callbacks.beforeFooter.apply(me, arguments);\n                var footer = callbacks.footer.apply(me, arguments);\n                var afterFooter = callbacks.afterFooter.apply(me, arguments);\n\n                var lines = [];\n                lines = pushOrConcat(lines, beforeFooter);\n                lines = pushOrConcat(lines, footer);\n                lines = pushOrConcat(lines, afterFooter);\n\n                return lines;\n            },\n\n            update: function(changed) {\n                var me = this;\n                var opts = me._options;\n\n                // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition\n                // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time\n                // which breaks any animations.\n                var existingModel = me._model;\n                var model = me._model = getBaseModel(opts);\n                var active = me._active;\n\n                var data = me._data;\n\n                // In the case where active.length === 0 we need to keep these at existing values for good animations\n                var alignment = {\n                    xAlign: existingModel.xAlign,\n                    yAlign: existingModel.yAlign\n                };\n                var backgroundPoint = {\n                    x: existingModel.x,\n                    y: existingModel.y\n                };\n                var tooltipSize = {\n                    width: existingModel.width,\n                    height: existingModel.height\n                };\n                var tooltipPosition = {\n                    x: existingModel.caretX,\n                    y: existingModel.caretY\n                };\n\n                var i, len;\n\n                if (active.length) {\n                    model.opacity = 1;\n\n                    var labelColors = [];\n                    var labelTextColors = [];\n                    tooltipPosition = Chart.Tooltip.positioners[opts.position](active, me._eventPosition);\n\n                    var tooltipItems = [];\n                    for (i = 0, len = active.length; i < len; ++i) {\n                        tooltipItems.push(createTooltipItem(active[i]));\n                    }\n\n                    // If the user provided a filter function, use it to modify the tooltip items\n                    if (opts.filter) {\n                        tooltipItems = tooltipItems.filter(function(a) {\n                            return opts.filter(a, data);\n                        });\n                    }\n\n                    // If the user provided a sorting function, use it to modify the tooltip items\n                    if (opts.itemSort) {\n                        tooltipItems = tooltipItems.sort(function(a, b) {\n                            return opts.itemSort(a, b, data);\n                        });\n                    }\n\n                    // Determine colors for boxes\n                    helpers.each(tooltipItems, function(tooltipItem) {\n                        labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart));\n                        labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart));\n                    });\n\n\n                    // Build the Text Lines\n                    model.title = me.getTitle(tooltipItems, data);\n                    model.beforeBody = me.getBeforeBody(tooltipItems, data);\n                    model.body = me.getBody(tooltipItems, data);\n                    model.afterBody = me.getAfterBody(tooltipItems, data);\n                    model.footer = me.getFooter(tooltipItems, data);\n\n                    // Initial positioning and colors\n                    model.x = Math.round(tooltipPosition.x);\n                    model.y = Math.round(tooltipPosition.y);\n                    model.caretPadding = opts.caretPadding;\n                    model.labelColors = labelColors;\n                    model.labelTextColors = labelTextColors;\n\n                    // data points\n                    model.dataPoints = tooltipItems;\n\n                    // We need to determine alignment of the tooltip\n                    tooltipSize = getTooltipSize(this, model);\n                    alignment = determineAlignment(this, tooltipSize);\n                    // Final Size and Position\n                    backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment);\n                } else {\n                    model.opacity = 0;\n                }\n\n                model.xAlign = alignment.xAlign;\n                model.yAlign = alignment.yAlign;\n                model.x = backgroundPoint.x;\n                model.y = backgroundPoint.y;\n                model.width = tooltipSize.width;\n                model.height = tooltipSize.height;\n\n                // Point where the caret on the tooltip points to\n                model.caretX = tooltipPosition.x;\n                model.caretY = tooltipPosition.y;\n\n                me._model = model;\n\n                if (changed && opts.custom) {\n                    opts.custom.call(me, model);\n                }\n\n                return me;\n            },\n            drawCaret: function(tooltipPoint, size) {\n                var ctx = this._chart.ctx;\n                var vm = this._view;\n                var caretPosition = this.getCaretPosition(tooltipPoint, size, vm);\n\n                ctx.lineTo(caretPosition.x1, caretPosition.y1);\n                ctx.lineTo(caretPosition.x2, caretPosition.y2);\n                ctx.lineTo(caretPosition.x3, caretPosition.y3);\n            },\n            getCaretPosition: function(tooltipPoint, size, vm) {\n                var x1, x2, x3, y1, y2, y3;\n                var caretSize = vm.caretSize;\n                var cornerRadius = vm.cornerRadius;\n                var xAlign = vm.xAlign;\n                var yAlign = vm.yAlign;\n                var ptX = tooltipPoint.x;\n                var ptY = tooltipPoint.y;\n                var width = size.width;\n                var height = size.height;\n\n                if (yAlign === 'center') {\n                    y2 = ptY + (height / 2);\n\n                    if (xAlign === 'left') {\n                        x1 = ptX;\n                        x2 = x1 - caretSize;\n                        x3 = x1;\n\n                        y1 = y2 + caretSize;\n                        y3 = y2 - caretSize;\n                    } else {\n                        x1 = ptX + width;\n                        x2 = x1 + caretSize;\n                        x3 = x1;\n\n                        y1 = y2 - caretSize;\n                        y3 = y2 + caretSize;\n                    }\n                } else {\n                    if (xAlign === 'left') {\n                        x2 = ptX + cornerRadius + (caretSize);\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    } else if (xAlign === 'right') {\n                        x2 = ptX + width - cornerRadius - caretSize;\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    } else {\n                        x2 = ptX + (width / 2);\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    }\n                    if (yAlign === 'top') {\n                        y1 = ptY;\n                        y2 = y1 - caretSize;\n                        y3 = y1;\n                    } else {\n                        y1 = ptY + height;\n                        y2 = y1 + caretSize;\n                        y3 = y1;\n                        // invert drawing order\n                        var tmp = x3;\n                        x3 = x1;\n                        x1 = tmp;\n                    }\n                }\n                return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3};\n            },\n            drawTitle: function(pt, vm, ctx, opacity) {\n                var title = vm.title;\n\n                if (title.length) {\n                    ctx.textAlign = vm._titleAlign;\n                    ctx.textBaseline = 'top';\n\n                    var titleFontSize = vm.titleFontSize;\n                    var titleSpacing = vm.titleSpacing;\n\n                    ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity);\n                    ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily);\n\n                    var i, len;\n                    for (i = 0, len = title.length; i < len; ++i) {\n                        ctx.fillText(title[i], pt.x, pt.y);\n                        pt.y += titleFontSize + titleSpacing; // Line Height and spacing\n\n                        if (i + 1 === title.length) {\n                            pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing\n                        }\n                    }\n                }\n            },\n            drawBody: function(pt, vm, ctx, opacity) {\n                var bodyFontSize = vm.bodyFontSize;\n                var bodySpacing = vm.bodySpacing;\n                var body = vm.body;\n\n                ctx.textAlign = vm._bodyAlign;\n                ctx.textBaseline = 'top';\n                ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);\n\n                // Before Body\n                var xLinePadding = 0;\n                var fillLineOfText = function(line) {\n                    ctx.fillText(line, pt.x + xLinePadding, pt.y);\n                    pt.y += bodyFontSize + bodySpacing;\n                };\n\n                // Before body lines\n                helpers.each(vm.beforeBody, fillLineOfText);\n\n                var drawColorBoxes = vm.displayColors;\n                xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0;\n\n                // Draw body lines now\n                helpers.each(body, function(bodyItem, i) {\n                    helpers.each(bodyItem.before, fillLineOfText);\n\n                    helpers.each(bodyItem.lines, function(line) {\n                        // Draw Legend-like boxes if needed\n                        if (drawColorBoxes) {\n                            // Fill a white rect so that colours merge nicely if the opacity is < 1\n                            ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity);\n                            ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n                            // Border\n                            ctx.lineWidth = 1;\n                            ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity);\n                            ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n                            // Inner square\n                            ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity);\n                            ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2);\n                            var textColor = mergeOpacity(vm.labelTextColors[i], opacity);\n                            ctx.fillStyle = textColor;\n                        }\n\n                        fillLineOfText(line);\n                    });\n\n                    helpers.each(bodyItem.after, fillLineOfText);\n                });\n\n                // Reset back to 0 for after body\n                xLinePadding = 0;\n\n                // After body lines\n                helpers.each(vm.afterBody, fillLineOfText);\n                pt.y -= bodySpacing; // Remove last body spacing\n            },\n            drawFooter: function(pt, vm, ctx, opacity) {\n                var footer = vm.footer;\n\n                if (footer.length) {\n                    pt.y += vm.footerMarginTop;\n\n                    ctx.textAlign = vm._footerAlign;\n                    ctx.textBaseline = 'top';\n\n                    ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity);\n                    ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);\n\n                    helpers.each(footer, function(line) {\n                        ctx.fillText(line, pt.x, pt.y);\n                        pt.y += vm.footerFontSize + vm.footerSpacing;\n                    });\n                }\n            },\n            drawBackground: function(pt, vm, ctx, tooltipSize, opacity) {\n                ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity);\n                ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity);\n                ctx.lineWidth = vm.borderWidth;\n                var xAlign = vm.xAlign;\n                var yAlign = vm.yAlign;\n                var x = pt.x;\n                var y = pt.y;\n                var width = tooltipSize.width;\n                var height = tooltipSize.height;\n                var radius = vm.cornerRadius;\n\n                ctx.beginPath();\n                ctx.moveTo(x + radius, y);\n                if (yAlign === 'top') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + width - radius, y);\n                ctx.quadraticCurveTo(x + width, y, x + width, y + radius);\n                if (yAlign === 'center' && xAlign === 'right') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + width, y + height - radius);\n                ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);\n                if (yAlign === 'bottom') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + radius, y + height);\n                ctx.quadraticCurveTo(x, y + height, x, y + height - radius);\n                if (yAlign === 'center' && xAlign === 'left') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x, y + radius);\n                ctx.quadraticCurveTo(x, y, x + radius, y);\n                ctx.closePath();\n\n                ctx.fill();\n\n                if (vm.borderWidth > 0) {\n                    ctx.stroke();\n                }\n            },\n            draw: function() {\n                var ctx = this._chart.ctx;\n                var vm = this._view;\n\n                if (vm.opacity === 0) {\n                    return;\n                }\n\n                var tooltipSize = {\n                    width: vm.width,\n                    height: vm.height\n                };\n                var pt = {\n                    x: vm.x,\n                    y: vm.y\n                };\n\n                // IE11/Edge does not like very small opacities, so snap to 0\n                var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;\n\n                // Truthy/falsey value for empty tooltip\n                var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length;\n\n                if (this._options.enabled && hasTooltipContent) {\n                    // Draw Background\n                    this.drawBackground(pt, vm, ctx, tooltipSize, opacity);\n\n                    // Draw Title, Body, and Footer\n                    pt.x += vm.xPadding;\n                    pt.y += vm.yPadding;\n\n                    // Titles\n                    this.drawTitle(pt, vm, ctx, opacity);\n\n                    // Body\n                    this.drawBody(pt, vm, ctx, opacity);\n\n                    // Footer\n                    this.drawFooter(pt, vm, ctx, opacity);\n                }\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event - The event to handle\n             * @returns {Boolean} true if the tooltip changed\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var options = me._options;\n                var changed = false;\n\n                me._lastActive = me._lastActive || [];\n\n                // Find Active Elements for tooltips\n                if (e.type === 'mouseout') {\n                    me._active = [];\n                } else {\n                    me._active = me._chart.getElementsAtEventForMode(e, options.mode, options);\n                }\n\n                // Remember Last Actives\n                changed = !helpers.arrayEquals(me._active, me._lastActive);\n\n                // If tooltip didn't change, do not handle the target event\n                if (!changed) {\n                    return false;\n                }\n\n                me._lastActive = me._active;\n\n                if (options.enabled || options.custom) {\n                    me._eventPosition = {\n                        x: e.x,\n                        y: e.y\n                    };\n\n                    var model = me._model;\n                    me.update(true);\n                    me.pivot();\n\n                    // See if our tooltip position changed\n                    changed |= (model.x !== me._model.x) || (model.y !== me._model.y);\n                }\n\n                return changed;\n            }\n        });\n\n        /**\n         * @namespace Chart.Tooltip.positioners\n         */\n        Chart.Tooltip.positioners = {\n            /**\n             * Average mode places the tooltip at the average position of the elements shown\n             * @function Chart.Tooltip.positioners.average\n             * @param elements {ChartElement[]} the elements being displayed in the tooltip\n             * @returns {Point} tooltip position\n             */\n            average: function(elements) {\n                if (!elements.length) {\n                    return false;\n                }\n\n                var i, len;\n                var x = 0;\n                var y = 0;\n                var count = 0;\n\n                for (i = 0, len = elements.length; i < len; ++i) {\n                    var el = elements[i];\n                    if (el && el.hasValue()) {\n                        var pos = el.tooltipPosition();\n                        x += pos.x;\n                        y += pos.y;\n                        ++count;\n                    }\n                }\n\n                return {\n                    x: Math.round(x / count),\n                    y: Math.round(y / count)\n                };\n            },\n\n            /**\n             * Gets the tooltip position nearest of the item nearest to the event position\n             * @function Chart.Tooltip.positioners.nearest\n             * @param elements {Chart.Element[]} the tooltip elements\n             * @param eventPosition {Point} the position of the event in canvas coordinates\n             * @returns {Point} the tooltip position\n             */\n            nearest: function(elements, eventPosition) {\n                var x = eventPosition.x;\n                var y = eventPosition.y;\n                var minDistance = Number.POSITIVE_INFINITY;\n                var i, len, nearestElement;\n\n                for (i = 0, len = elements.length; i < len; ++i) {\n                    var el = elements[i];\n                    if (el && el.hasValue()) {\n                        var center = el.getCenterPoint();\n                        var d = helpers.distanceBetweenPoints(eventPosition, center);\n\n                        if (d < minDistance) {\n                            minDistance = d;\n                            nearestElement = el;\n                        }\n                    }\n                }\n\n                if (nearestElement) {\n                    var tp = nearestElement.tooltipPosition();\n                    x = tp.x;\n                    y = tp.y;\n                }\n\n                return {\n                    x: x,\n                    y: y\n                };\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],36:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        elements: {\n            arc: {\n                backgroundColor: defaults.global.defaultColor,\n                borderColor: '#fff',\n                borderWidth: 2\n            }\n        }\n    });\n\n    module.exports = Element.extend({\n        inLabelRange: function(mouseX) {\n            var vm = this._view;\n\n            if (vm) {\n                return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));\n            }\n            return false;\n        },\n\n        inRange: function(chartX, chartY) {\n            var vm = this._view;\n\n            if (vm) {\n                var pointRelativePosition = helpers.getAngleFromPoint(vm, {x: chartX, y: chartY});\n                var\tangle = pointRelativePosition.angle;\n                var distance = pointRelativePosition.distance;\n\n                // Sanitise angle range\n                var startAngle = vm.startAngle;\n                var endAngle = vm.endAngle;\n                while (endAngle < startAngle) {\n                    endAngle += 2.0 * Math.PI;\n                }\n                while (angle > endAngle) {\n                    angle -= 2.0 * Math.PI;\n                }\n                while (angle < startAngle) {\n                    angle += 2.0 * Math.PI;\n                }\n\n                // Check if within the range of the open/close angle\n                var betweenAngles = (angle >= startAngle && angle <= endAngle);\n                var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);\n\n                return (betweenAngles && withinRadius);\n            }\n            return false;\n        },\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            var halfAngle = (vm.startAngle + vm.endAngle) / 2;\n            var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;\n            return {\n                x: vm.x + Math.cos(halfAngle) * halfRadius,\n                y: vm.y + Math.sin(halfAngle) * halfRadius\n            };\n        },\n\n        getArea: function() {\n            var vm = this._view;\n            return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);\n            var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;\n\n            return {\n                x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),\n                y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)\n            };\n        },\n\n        draw: function() {\n            var ctx = this._chart.ctx;\n            var vm = this._view;\n            var sA = vm.startAngle;\n            var eA = vm.endAngle;\n\n            ctx.beginPath();\n\n            ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA);\n            ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true);\n\n            ctx.closePath();\n            ctx.strokeStyle = vm.borderColor;\n            ctx.lineWidth = vm.borderWidth;\n\n            ctx.fillStyle = vm.backgroundColor;\n\n            ctx.fill();\n            ctx.lineJoin = 'bevel';\n\n            if (vm.borderWidth) {\n                ctx.stroke();\n            }\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],37:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    var globalDefaults = defaults.global;\n\n    defaults._set('global', {\n        elements: {\n            line: {\n                tension: 0.4,\n                backgroundColor: globalDefaults.defaultColor,\n                borderWidth: 3,\n                borderColor: globalDefaults.defaultColor,\n                borderCapStyle: 'butt',\n                borderDash: [],\n                borderDashOffset: 0.0,\n                borderJoinStyle: 'miter',\n                capBezierPoints: true,\n                fill: true, // do we fill in the area between the line and its base axis\n            }\n        }\n    });\n\n    module.exports = Element.extend({\n        draw: function() {\n            var me = this;\n            var vm = me._view;\n            var ctx = me._chart.ctx;\n            var spanGaps = vm.spanGaps;\n            var points = me._children.slice(); // clone array\n            var globalOptionLineElements = globalDefaults.elements.line;\n            var lastDrawnIndex = -1;\n            var index, current, previous, currentVM;\n\n            // If we are looping, adding the first point again\n            if (me._loop && points.length) {\n                points.push(points[0]);\n            }\n\n            ctx.save();\n\n            // Stroke Line Options\n            ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;\n\n            // IE 9 and 10 do not support line dash\n            if (ctx.setLineDash) {\n                ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);\n            }\n\n            ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset;\n            ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;\n            ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth;\n            ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;\n\n            // Stroke Line\n            ctx.beginPath();\n            lastDrawnIndex = -1;\n\n            for (index = 0; index < points.length; ++index) {\n                current = points[index];\n                previous = helpers.previousItem(points, index);\n                currentVM = current._view;\n\n                // First point moves to it's starting position no matter what\n                if (index === 0) {\n                    if (!currentVM.skip) {\n                        ctx.moveTo(currentVM.x, currentVM.y);\n                        lastDrawnIndex = index;\n                    }\n                } else {\n                    previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex];\n\n                    if (!currentVM.skip) {\n                        if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {\n                            // There was a gap and this is the first point after the gap\n                            ctx.moveTo(currentVM.x, currentVM.y);\n                        } else {\n                            // Line to next point\n                            helpers.canvas.lineTo(ctx, previous._view, current._view);\n                        }\n                        lastDrawnIndex = index;\n                    }\n                }\n            }\n\n            ctx.stroke();\n            ctx.restore();\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],38:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    var defaultColor = defaults.global.defaultColor;\n\n    defaults._set('global', {\n        elements: {\n            point: {\n                radius: 3,\n                pointStyle: 'circle',\n                backgroundColor: defaultColor,\n                borderColor: defaultColor,\n                borderWidth: 1,\n                // Hover\n                hitRadius: 1,\n                hoverRadius: 4,\n                hoverBorderWidth: 1\n            }\n        }\n    });\n\n    function xRange(mouseX) {\n        var vm = this._view;\n        return vm ? (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n    }\n\n    function yRange(mouseY) {\n        var vm = this._view;\n        return vm ? (Math.pow(mouseY - vm.y, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n    }\n\n    module.exports = Element.extend({\n        inRange: function(mouseX, mouseY) {\n            var vm = this._view;\n            return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;\n        },\n\n        inLabelRange: xRange,\n        inXRange: xRange,\n        inYRange: yRange,\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y\n            };\n        },\n\n        getArea: function() {\n            return Math.PI * Math.pow(this._view.radius, 2);\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y,\n                padding: vm.radius + vm.borderWidth\n            };\n        },\n\n        draw: function(chartArea) {\n            var vm = this._view;\n            var model = this._model;\n            var ctx = this._chart.ctx;\n            var pointStyle = vm.pointStyle;\n            var radius = vm.radius;\n            var x = vm.x;\n            var y = vm.y;\n            var color = helpers.color;\n            var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.)\n            var ratio = 0;\n\n            if (vm.skip) {\n                return;\n            }\n\n            ctx.strokeStyle = vm.borderColor || defaultColor;\n            ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth);\n            ctx.fillStyle = vm.backgroundColor || defaultColor;\n\n            // Cliping for Points.\n            // going out from inner charArea?\n            if ((chartArea !== undefined) && ((model.x < chartArea.left) || (chartArea.right * errMargin < model.x) || (model.y < chartArea.top) || (chartArea.bottom * errMargin < model.y))) {\n                // Point fade out\n                if (model.x < chartArea.left) {\n                    ratio = (x - model.x) / (chartArea.left - model.x);\n                } else if (chartArea.right * errMargin < model.x) {\n                    ratio = (model.x - x) / (model.x - chartArea.right);\n                } else if (model.y < chartArea.top) {\n                    ratio = (y - model.y) / (chartArea.top - model.y);\n                } else if (chartArea.bottom * errMargin < model.y) {\n                    ratio = (model.y - y) / (model.y - chartArea.bottom);\n                }\n                ratio = Math.round(ratio * 100) / 100;\n                ctx.strokeStyle = color(ctx.strokeStyle).alpha(ratio).rgbString();\n                ctx.fillStyle = color(ctx.fillStyle).alpha(ratio).rgbString();\n            }\n\n            helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y);\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],39:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n\n    defaults._set('global', {\n        elements: {\n            rectangle: {\n                backgroundColor: defaults.global.defaultColor,\n                borderColor: defaults.global.defaultColor,\n                borderSkipped: 'bottom',\n                borderWidth: 0\n            }\n        }\n    });\n\n    function isVertical(bar) {\n        return bar._view.width !== undefined;\n    }\n\n    /**\n     * Helper function to get the bounds of the bar regardless of the orientation\n     * @param bar {Chart.Element.Rectangle} the bar\n     * @return {Bounds} bounds of the bar\n     * @private\n     */\n    function getBarBounds(bar) {\n        var vm = bar._view;\n        var x1, x2, y1, y2;\n\n        if (isVertical(bar)) {\n            // vertical\n            var halfWidth = vm.width / 2;\n            x1 = vm.x - halfWidth;\n            x2 = vm.x + halfWidth;\n            y1 = Math.min(vm.y, vm.base);\n            y2 = Math.max(vm.y, vm.base);\n        } else {\n            // horizontal bar\n            var halfHeight = vm.height / 2;\n            x1 = Math.min(vm.x, vm.base);\n            x2 = Math.max(vm.x, vm.base);\n            y1 = vm.y - halfHeight;\n            y2 = vm.y + halfHeight;\n        }\n\n        return {\n            left: x1,\n            top: y1,\n            right: x2,\n            bottom: y2\n        };\n    }\n\n    module.exports = Element.extend({\n        draw: function() {\n            var ctx = this._chart.ctx;\n            var vm = this._view;\n            var left, right, top, bottom, signX, signY, borderSkipped;\n            var borderWidth = vm.borderWidth;\n\n            if (!vm.horizontal) {\n                // bar\n                left = vm.x - vm.width / 2;\n                right = vm.x + vm.width / 2;\n                top = vm.y;\n                bottom = vm.base;\n                signX = 1;\n                signY = bottom > top ? 1 : -1;\n                borderSkipped = vm.borderSkipped || 'bottom';\n            } else {\n                // horizontal bar\n                left = vm.base;\n                right = vm.x;\n                top = vm.y - vm.height / 2;\n                bottom = vm.y + vm.height / 2;\n                signX = right > left ? 1 : -1;\n                signY = 1;\n                borderSkipped = vm.borderSkipped || 'left';\n            }\n\n            // Canvas doesn't allow us to stroke inside the width so we can\n            // adjust the sizes to fit if we're setting a stroke on the line\n            if (borderWidth) {\n                // borderWidth shold be less than bar width and bar height.\n                var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom));\n                borderWidth = borderWidth > barSize ? barSize : borderWidth;\n                var halfStroke = borderWidth / 2;\n                // Adjust borderWidth when bar top position is near vm.base(zero).\n                var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0);\n                var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0);\n                var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0);\n                var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0);\n                // not become a vertical line?\n                if (borderLeft !== borderRight) {\n                    top = borderTop;\n                    bottom = borderBottom;\n                }\n                // not become a horizontal line?\n                if (borderTop !== borderBottom) {\n                    left = borderLeft;\n                    right = borderRight;\n                }\n            }\n\n            ctx.beginPath();\n            ctx.fillStyle = vm.backgroundColor;\n            ctx.strokeStyle = vm.borderColor;\n            ctx.lineWidth = borderWidth;\n\n            // Corner points, from bottom-left to bottom-right clockwise\n            // | 1 2 |\n            // | 0 3 |\n            var corners = [\n                [left, bottom],\n                [left, top],\n                [right, top],\n                [right, bottom]\n            ];\n\n            // Find first (starting) corner with fallback to 'bottom'\n            var borders = ['bottom', 'left', 'top', 'right'];\n            var startCorner = borders.indexOf(borderSkipped, 0);\n            if (startCorner === -1) {\n                startCorner = 0;\n            }\n\n            function cornerAt(index) {\n                return corners[(startCorner + index) % 4];\n            }\n\n            // Draw rectangle from 'startCorner'\n            var corner = cornerAt(0);\n            ctx.moveTo(corner[0], corner[1]);\n\n            for (var i = 1; i < 4; i++) {\n                corner = cornerAt(i);\n                ctx.lineTo(corner[0], corner[1]);\n            }\n\n            ctx.fill();\n            if (borderWidth) {\n                ctx.stroke();\n            }\n        },\n\n        height: function() {\n            var vm = this._view;\n            return vm.base - vm.y;\n        },\n\n        inRange: function(mouseX, mouseY) {\n            var inRange = false;\n\n            if (this._view) {\n                var bounds = getBarBounds(this);\n                inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom;\n            }\n\n            return inRange;\n        },\n\n        inLabelRange: function(mouseX, mouseY) {\n            var me = this;\n            if (!me._view) {\n                return false;\n            }\n\n            var inRange = false;\n            var bounds = getBarBounds(me);\n\n            if (isVertical(me)) {\n                inRange = mouseX >= bounds.left && mouseX <= bounds.right;\n            } else {\n                inRange = mouseY >= bounds.top && mouseY <= bounds.bottom;\n            }\n\n            return inRange;\n        },\n\n        inXRange: function(mouseX) {\n            var bounds = getBarBounds(this);\n            return mouseX >= bounds.left && mouseX <= bounds.right;\n        },\n\n        inYRange: function(mouseY) {\n            var bounds = getBarBounds(this);\n            return mouseY >= bounds.top && mouseY <= bounds.bottom;\n        },\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            var x, y;\n            if (isVertical(this)) {\n                x = vm.x;\n                y = (vm.y + vm.base) / 2;\n            } else {\n                x = (vm.x + vm.base) / 2;\n                y = vm.y;\n            }\n\n            return {x: x, y: y};\n        },\n\n        getArea: function() {\n            var vm = this._view;\n            return vm.width * Math.abs(vm.y - vm.base);\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y\n            };\n        }\n    });\n\n},{\"25\":25,\"26\":26}],40:[function(require,module,exports){\n    'use strict';\n\n    module.exports = {};\n    module.exports.Arc = require(36);\n    module.exports.Line = require(37);\n    module.exports.Point = require(38);\n    module.exports.Rectangle = require(39);\n\n},{\"36\":36,\"37\":37,\"38\":38,\"39\":39}],41:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * @namespace Chart.helpers.canvas\n     */\n    var exports = module.exports = {\n        /**\n         * Clears the entire canvas associated to the given `chart`.\n         * @param {Chart} chart - The chart for which to clear the canvas.\n         */\n        clear: function(chart) {\n            chart.ctx.clearRect(0, 0, chart.width, chart.height);\n        },\n\n        /**\n         * Creates a \"path\" for a rectangle with rounded corners at position (x, y) with a\n         * given size (width, height) and the same `radius` for all corners.\n         * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.\n         * @param {Number} x - The x axis of the coordinate for the rectangle starting point.\n         * @param {Number} y - The y axis of the coordinate for the rectangle starting point.\n         * @param {Number} width - The rectangle's width.\n         * @param {Number} height - The rectangle's height.\n         * @param {Number} radius - The rounded amount (in pixels) for the four corners.\n         * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?\n         */\n        roundedRect: function(ctx, x, y, width, height, radius) {\n            if (radius) {\n                var rx = Math.min(radius, width / 2);\n                var ry = Math.min(radius, height / 2);\n\n                ctx.moveTo(x + rx, y);\n                ctx.lineTo(x + width - rx, y);\n                ctx.quadraticCurveTo(x + width, y, x + width, y + ry);\n                ctx.lineTo(x + width, y + height - ry);\n                ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height);\n                ctx.lineTo(x + rx, y + height);\n                ctx.quadraticCurveTo(x, y + height, x, y + height - ry);\n                ctx.lineTo(x, y + ry);\n                ctx.quadraticCurveTo(x, y, x + rx, y);\n            } else {\n                ctx.rect(x, y, width, height);\n            }\n        },\n\n        drawPoint: function(ctx, style, radius, x, y) {\n            var type, edgeLength, xOffset, yOffset, height, size;\n\n            if (typeof style === 'object') {\n                type = style.toString();\n                if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\n                    ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height);\n                    return;\n                }\n            }\n\n            if (isNaN(radius) || radius <= 0) {\n                return;\n            }\n\n            switch (style) {\n                // Default includes circle\n                default:\n                    ctx.beginPath();\n                    ctx.arc(x, y, radius, 0, Math.PI * 2);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'triangle':\n                    ctx.beginPath();\n                    edgeLength = 3 * radius / Math.sqrt(3);\n                    height = edgeLength * Math.sqrt(3) / 2;\n                    ctx.moveTo(x - edgeLength / 2, y + height / 3);\n                    ctx.lineTo(x + edgeLength / 2, y + height / 3);\n                    ctx.lineTo(x, y - 2 * height / 3);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'rect':\n                    size = 1 / Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    ctx.fillRect(x - size, y - size, 2 * size, 2 * size);\n                    ctx.strokeRect(x - size, y - size, 2 * size, 2 * size);\n                    break;\n                case 'rectRounded':\n                    var offset = radius / Math.SQRT2;\n                    var leftX = x - offset;\n                    var topY = y - offset;\n                    var sideSize = Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius / 2);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'rectRot':\n                    size = 1 / Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    ctx.moveTo(x - size, y);\n                    ctx.lineTo(x, y + size);\n                    ctx.lineTo(x + size, y);\n                    ctx.lineTo(x, y - size);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'cross':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y + radius);\n                    ctx.lineTo(x, y - radius);\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n                case 'crossRot':\n                    ctx.beginPath();\n                    xOffset = Math.cos(Math.PI / 4) * radius;\n                    yOffset = Math.sin(Math.PI / 4) * radius;\n                    ctx.moveTo(x - xOffset, y - yOffset);\n                    ctx.lineTo(x + xOffset, y + yOffset);\n                    ctx.moveTo(x - xOffset, y + yOffset);\n                    ctx.lineTo(x + xOffset, y - yOffset);\n                    ctx.closePath();\n                    break;\n                case 'star':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y + radius);\n                    ctx.lineTo(x, y - radius);\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    xOffset = Math.cos(Math.PI / 4) * radius;\n                    yOffset = Math.sin(Math.PI / 4) * radius;\n                    ctx.moveTo(x - xOffset, y - yOffset);\n                    ctx.lineTo(x + xOffset, y + yOffset);\n                    ctx.moveTo(x - xOffset, y + yOffset);\n                    ctx.lineTo(x + xOffset, y - yOffset);\n                    ctx.closePath();\n                    break;\n                case 'line':\n                    ctx.beginPath();\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n                case 'dash':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n            }\n\n            ctx.stroke();\n        },\n\n        clipArea: function(ctx, area) {\n            ctx.save();\n            ctx.beginPath();\n            ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\n            ctx.clip();\n        },\n\n        unclipArea: function(ctx) {\n            ctx.restore();\n        },\n\n        lineTo: function(ctx, previous, target, flip) {\n            if (target.steppedLine) {\n                if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) {\n                    ctx.lineTo(previous.x, target.y);\n                } else {\n                    ctx.lineTo(target.x, previous.y);\n                }\n                ctx.lineTo(target.x, target.y);\n                return;\n            }\n\n            if (!target.tension) {\n                ctx.lineTo(target.x, target.y);\n                return;\n            }\n\n            ctx.bezierCurveTo(\n                flip ? previous.controlPointPreviousX : previous.controlPointNextX,\n                flip ? previous.controlPointPreviousY : previous.controlPointNextY,\n                flip ? target.controlPointNextX : target.controlPointPreviousX,\n                flip ? target.controlPointNextY : target.controlPointPreviousY,\n                target.x,\n                target.y);\n        }\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.\n     * @namespace Chart.helpers.clear\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.clear = exports.clear;\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.\n     * @namespace Chart.helpers.drawRoundedRectangle\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.drawRoundedRectangle = function(ctx) {\n        ctx.beginPath();\n        exports.roundedRect.apply(exports, arguments);\n        ctx.closePath();\n    };\n\n},{\"42\":42}],42:[function(require,module,exports){\n    'use strict';\n\n    /**\n     * @namespace Chart.helpers\n     */\n    var helpers = {\n        /**\n         * An empty function that can be used, for example, for optional callback.\n         */\n        noop: function() {},\n\n        /**\n         * Returns a unique id, sequentially generated from a global variable.\n         * @returns {Number}\n         * @function\n         */\n        uid: (function() {\n            var id = 0;\n            return function() {\n                return id++;\n            };\n        }()),\n\n        /**\n         * Returns true if `value` is neither null nor undefined, else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @since 2.7.0\n         */\n        isNullOrUndef: function(value) {\n            return value === null || typeof value === 'undefined';\n        },\n\n        /**\n         * Returns true if `value` is an array, else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @function\n         */\n        isArray: Array.isArray ? Array.isArray : function(value) {\n            return Object.prototype.toString.call(value) === '[object Array]';\n        },\n\n        /**\n         * Returns true if `value` is an object (excluding null), else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @since 2.7.0\n         */\n        isObject: function(value) {\n            return value !== null && Object.prototype.toString.call(value) === '[object Object]';\n        },\n\n        /**\n         * Returns `value` if defined, else returns `defaultValue`.\n         * @param {*} value - The value to return if defined.\n         * @param {*} defaultValue - The value to return if `value` is undefined.\n         * @returns {*}\n         */\n        valueOrDefault: function(value, defaultValue) {\n            return typeof value === 'undefined' ? defaultValue : value;\n        },\n\n        /**\n         * Returns value at the given `index` in array if defined, else returns `defaultValue`.\n         * @param {Array} value - The array to lookup for value at `index`.\n         * @param {Number} index - The index in `value` to lookup for value.\n         * @param {*} defaultValue - The value to return if `value[index]` is undefined.\n         * @returns {*}\n         */\n        valueAtIndexOrDefault: function(value, index, defaultValue) {\n            return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);\n        },\n\n        /**\n         * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the\n         * value returned by `fn`. If `fn` is not a function, this method returns undefined.\n         * @param {Function} fn - The function to call.\n         * @param {Array|undefined|null} args - The arguments with which `fn` should be called.\n         * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n         * @returns {*}\n         */\n        callback: function(fn, args, thisArg) {\n            if (fn && typeof fn.call === 'function') {\n                return fn.apply(thisArg, args);\n            }\n        },\n\n        /**\n         * Note(SB) for performance sake, this method should only be used when loopable type\n         * is unknown or in none intensive code (not called often and small loopable). Else\n         * it's preferable to use a regular for() loop and save extra function calls.\n         * @param {Object|Array} loopable - The object or array to be iterated.\n         * @param {Function} fn - The function to call for each item.\n         * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n         * @param {Boolean} [reverse] - If true, iterates backward on the loopable.\n         */\n        each: function(loopable, fn, thisArg, reverse) {\n            var i, len, keys;\n            if (helpers.isArray(loopable)) {\n                len = loopable.length;\n                if (reverse) {\n                    for (i = len - 1; i >= 0; i--) {\n                        fn.call(thisArg, loopable[i], i);\n                    }\n                } else {\n                    for (i = 0; i < len; i++) {\n                        fn.call(thisArg, loopable[i], i);\n                    }\n                }\n            } else if (helpers.isObject(loopable)) {\n                keys = Object.keys(loopable);\n                len = keys.length;\n                for (i = 0; i < len; i++) {\n                    fn.call(thisArg, loopable[keys[i]], keys[i]);\n                }\n            }\n        },\n\n        /**\n         * Returns true if the `a0` and `a1` arrays have the same content, else returns false.\n         * @see http://stackoverflow.com/a/14853974\n         * @param {Array} a0 - The array to compare\n         * @param {Array} a1 - The array to compare\n         * @returns {Boolean}\n         */\n        arrayEquals: function(a0, a1) {\n            var i, ilen, v0, v1;\n\n            if (!a0 || !a1 || a0.length !== a1.length) {\n                return false;\n            }\n\n            for (i = 0, ilen = a0.length; i < ilen; ++i) {\n                v0 = a0[i];\n                v1 = a1[i];\n\n                if (v0 instanceof Array && v1 instanceof Array) {\n                    if (!helpers.arrayEquals(v0, v1)) {\n                        return false;\n                    }\n                } else if (v0 !== v1) {\n                    // NOTE: two different object instances will never be equal: {x:20} != {x:20}\n                    return false;\n                }\n            }\n\n            return true;\n        },\n\n        /**\n         * Returns a deep copy of `source` without keeping references on objects and arrays.\n         * @param {*} source - The value to clone.\n         * @returns {*}\n         */\n        clone: function(source) {\n            if (helpers.isArray(source)) {\n                return source.map(helpers.clone);\n            }\n\n            if (helpers.isObject(source)) {\n                var target = {};\n                var keys = Object.keys(source);\n                var klen = keys.length;\n                var k = 0;\n\n                for (; k < klen; ++k) {\n                    target[keys[k]] = helpers.clone(source[keys[k]]);\n                }\n\n                return target;\n            }\n\n            return source;\n        },\n\n        /**\n         * The default merger when Chart.helpers.merge is called without merger option.\n         * Note(SB): this method is also used by configMerge and scaleMerge as fallback.\n         * @private\n         */\n        _merger: function(key, target, source, options) {\n            var tval = target[key];\n            var sval = source[key];\n\n            if (helpers.isObject(tval) && helpers.isObject(sval)) {\n                helpers.merge(tval, sval, options);\n            } else {\n                target[key] = helpers.clone(sval);\n            }\n        },\n\n        /**\n         * Merges source[key] in target[key] only if target[key] is undefined.\n         * @private\n         */\n        _mergerIf: function(key, target, source) {\n            var tval = target[key];\n            var sval = source[key];\n\n            if (helpers.isObject(tval) && helpers.isObject(sval)) {\n                helpers.mergeIf(tval, sval);\n            } else if (!target.hasOwnProperty(key)) {\n                target[key] = helpers.clone(sval);\n            }\n        },\n\n        /**\n         * Recursively deep copies `source` properties into `target` with the given `options`.\n         * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n         * @param {Object} target - The target object in which all sources are merged into.\n         * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n         * @param {Object} [options] - Merging options:\n         * @param {Function} [options.merger] - The merge method (key, target, source, options)\n         * @returns {Object} The `target` object.\n         */\n        merge: function(target, source, options) {\n            var sources = helpers.isArray(source) ? source : [source];\n            var ilen = sources.length;\n            var merge, i, keys, klen, k;\n\n            if (!helpers.isObject(target)) {\n                return target;\n            }\n\n            options = options || {};\n            merge = options.merger || helpers._merger;\n\n            for (i = 0; i < ilen; ++i) {\n                source = sources[i];\n                if (!helpers.isObject(source)) {\n                    continue;\n                }\n\n                keys = Object.keys(source);\n                for (k = 0, klen = keys.length; k < klen; ++k) {\n                    merge(keys[k], target, source, options);\n                }\n            }\n\n            return target;\n        },\n\n        /**\n         * Recursively deep copies `source` properties into `target` *only* if not defined in target.\n         * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n         * @param {Object} target - The target object in which all sources are merged into.\n         * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n         * @returns {Object} The `target` object.\n         */\n        mergeIf: function(target, source) {\n            return helpers.merge(target, source, {merger: helpers._mergerIf});\n        }\n    };\n\n    module.exports = helpers;\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.callback instead.\n     * @function Chart.helpers.callCallback\n     * @deprecated since version 2.6.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.callCallback = helpers.callback;\n\n    /**\n     * Provided for backward compatibility, use Array.prototype.indexOf instead.\n     * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+\n     * @function Chart.helpers.indexOf\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.indexOf = function(array, item, fromIndex) {\n        return Array.prototype.indexOf.call(array, item, fromIndex);\n    };\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.\n     * @function Chart.helpers.getValueOrDefault\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.getValueOrDefault = helpers.valueOrDefault;\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.\n     * @function Chart.helpers.getValueAtIndexOrDefault\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n},{}],43:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * Easing functions adapted from Robert Penner's easing equations.\n     * @namespace Chart.helpers.easingEffects\n     * @see http://www.robertpenner.com/easing/\n     */\n    var effects = {\n        linear: function(t) {\n            return t;\n        },\n\n        easeInQuad: function(t) {\n            return t * t;\n        },\n\n        easeOutQuad: function(t) {\n            return -t * (t - 2);\n        },\n\n        easeInOutQuad: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t;\n            }\n            return -0.5 * ((--t) * (t - 2) - 1);\n        },\n\n        easeInCubic: function(t) {\n            return t * t * t;\n        },\n\n        easeOutCubic: function(t) {\n            return (t = t - 1) * t * t + 1;\n        },\n\n        easeInOutCubic: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t;\n            }\n            return 0.5 * ((t -= 2) * t * t + 2);\n        },\n\n        easeInQuart: function(t) {\n            return t * t * t * t;\n        },\n\n        easeOutQuart: function(t) {\n            return -((t = t - 1) * t * t * t - 1);\n        },\n\n        easeInOutQuart: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t * t;\n            }\n            return -0.5 * ((t -= 2) * t * t * t - 2);\n        },\n\n        easeInQuint: function(t) {\n            return t * t * t * t * t;\n        },\n\n        easeOutQuint: function(t) {\n            return (t = t - 1) * t * t * t * t + 1;\n        },\n\n        easeInOutQuint: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t * t * t;\n            }\n            return 0.5 * ((t -= 2) * t * t * t * t + 2);\n        },\n\n        easeInSine: function(t) {\n            return -Math.cos(t * (Math.PI / 2)) + 1;\n        },\n\n        easeOutSine: function(t) {\n            return Math.sin(t * (Math.PI / 2));\n        },\n\n        easeInOutSine: function(t) {\n            return -0.5 * (Math.cos(Math.PI * t) - 1);\n        },\n\n        easeInExpo: function(t) {\n            return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));\n        },\n\n        easeOutExpo: function(t) {\n            return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;\n        },\n\n        easeInOutExpo: function(t) {\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if ((t /= 0.5) < 1) {\n                return 0.5 * Math.pow(2, 10 * (t - 1));\n            }\n            return 0.5 * (-Math.pow(2, -10 * --t) + 2);\n        },\n\n        easeInCirc: function(t) {\n            if (t >= 1) {\n                return t;\n            }\n            return -(Math.sqrt(1 - t * t) - 1);\n        },\n\n        easeOutCirc: function(t) {\n            return Math.sqrt(1 - (t = t - 1) * t);\n        },\n\n        easeInOutCirc: function(t) {\n            if ((t /= 0.5) < 1) {\n                return -0.5 * (Math.sqrt(1 - t * t) - 1);\n            }\n            return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);\n        },\n\n        easeInElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.3;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n        },\n\n        easeOutElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.3;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;\n        },\n\n        easeInOutElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if ((t /= 0.5) === 2) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.45;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            if (t < 1) {\n                return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n            }\n            return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;\n        },\n        easeInBack: function(t) {\n            var s = 1.70158;\n            return t * t * ((s + 1) * t - s);\n        },\n\n        easeOutBack: function(t) {\n            var s = 1.70158;\n            return (t = t - 1) * t * ((s + 1) * t + s) + 1;\n        },\n\n        easeInOutBack: function(t) {\n            var s = 1.70158;\n            if ((t /= 0.5) < 1) {\n                return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));\n            }\n            return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);\n        },\n\n        easeInBounce: function(t) {\n            return 1 - effects.easeOutBounce(1 - t);\n        },\n\n        easeOutBounce: function(t) {\n            if (t < (1 / 2.75)) {\n                return 7.5625 * t * t;\n            }\n            if (t < (2 / 2.75)) {\n                return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;\n            }\n            if (t < (2.5 / 2.75)) {\n                return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;\n            }\n            return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;\n        },\n\n        easeInOutBounce: function(t) {\n            if (t < 0.5) {\n                return effects.easeInBounce(t * 2) * 0.5;\n            }\n            return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;\n        }\n    };\n\n    module.exports = {\n        effects: effects\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.easing.effects instead.\n     * @function Chart.helpers.easingEffects\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.easingEffects = effects;\n\n},{\"42\":42}],44:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * @alias Chart.helpers.options\n     * @namespace\n     */\n    module.exports = {\n        /**\n         * Converts the given line height `value` in pixels for a specific font `size`.\n         * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').\n         * @param {Number} size - The font size (in pixels) used to resolve relative `value`.\n         * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid).\n         * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height\n         * @since 2.7.0\n         */\n        toLineHeight: function(value, size) {\n            var matches = ('' + value).match(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\n            if (!matches || matches[1] === 'normal') {\n                return size * 1.2;\n            }\n\n            value = +matches[2];\n\n            switch (matches[3]) {\n                case 'px':\n                    return value;\n                case '%':\n                    value /= 100;\n                    break;\n                default:\n                    break;\n            }\n\n            return size * value;\n        },\n\n        /**\n         * Converts the given value into a padding object with pre-computed width/height.\n         * @param {Number|Object} value - If a number, set the value to all TRBL component,\n         *  else, if and object, use defined properties and sets undefined ones to 0.\n         * @returns {Object} The padding values (top, right, bottom, left, width, height)\n         * @since 2.7.0\n         */\n        toPadding: function(value) {\n            var t, r, b, l;\n\n            if (helpers.isObject(value)) {\n                t = +value.top || 0;\n                r = +value.right || 0;\n                b = +value.bottom || 0;\n                l = +value.left || 0;\n            } else {\n                t = r = b = l = +value || 0;\n            }\n\n            return {\n                top: t,\n                right: r,\n                bottom: b,\n                left: l,\n                height: t + b,\n                width: l + r\n            };\n        },\n\n        /**\n         * Evaluates the given `inputs` sequentially and returns the first defined value.\n         * @param {Array[]} inputs - An array of values, falling back to the last value.\n         * @param {Object} [context] - If defined and the current value is a function, the value\n         * is called with `context` as first argument and the result becomes the new input.\n         * @param {Number} [index] - If defined and the current value is an array, the value\n         * at `index` become the new input.\n         * @since 2.7.0\n         */\n        resolve: function(inputs, context, index) {\n            var i, ilen, value;\n\n            for (i = 0, ilen = inputs.length; i < ilen; ++i) {\n                value = inputs[i];\n                if (value === undefined) {\n                    continue;\n                }\n                if (context !== undefined && typeof value === 'function') {\n                    value = value(context);\n                }\n                if (index !== undefined && helpers.isArray(value)) {\n                    value = value[index];\n                }\n                if (value !== undefined) {\n                    return value;\n                }\n            }\n        }\n    };\n\n},{\"42\":42}],45:[function(require,module,exports){\n    'use strict';\n\n    module.exports = require(42);\n    module.exports.easing = require(43);\n    module.exports.canvas = require(41);\n    module.exports.options = require(44);\n\n},{\"41\":41,\"42\":42,\"43\":43,\"44\":44}],46:[function(require,module,exports){\n    /**\n     * Platform fallback implementation (minimal).\n     * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939\n     */\n\n    module.exports = {\n        acquireContext: function(item) {\n            if (item && item.canvas) {\n                // Support for any object associated to a canvas (including a context2d)\n                item = item.canvas;\n            }\n\n            return item && item.getContext('2d') || null;\n        }\n    };\n\n},{}],47:[function(require,module,exports){\n    /**\n     * Chart.Platform implementation for targeting a web browser\n     */\n\n    'use strict';\n\n    var helpers = require(45);\n\n    var EXPANDO_KEY = '$chartjs';\n    var CSS_PREFIX = 'chartjs-';\n    var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';\n    var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';\n    var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];\n\n    /**\n     * DOM event types -> Chart.js event types.\n     * Note: only events with different types are mapped.\n     * @see https://developer.mozilla.org/en-US/docs/Web/Events\n     */\n    var EVENT_TYPES = {\n        touchstart: 'mousedown',\n        touchmove: 'mousemove',\n        touchend: 'mouseup',\n        pointerenter: 'mouseenter',\n        pointerdown: 'mousedown',\n        pointermove: 'mousemove',\n        pointerup: 'mouseup',\n        pointerleave: 'mouseout',\n        pointerout: 'mouseout'\n    };\n\n    /**\n     * The \"used\" size is the final value of a dimension property after all calculations have\n     * been performed. This method uses the computed style of `element` but returns undefined\n     * if the computed style is not expressed in pixels. That can happen in some cases where\n     * `element` has a size relative to its parent and this last one is not yet displayed,\n     * for example because of `display: none` on a parent node.\n     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value\n     * @returns {Number} Size in pixels or undefined if unknown.\n     */\n    function readUsedSize(element, property) {\n        var value = helpers.getStyle(element, property);\n        var matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\n        return matches ? Number(matches[1]) : undefined;\n    }\n\n    /**\n     * Initializes the canvas style and render size without modifying the canvas display size,\n     * since responsiveness is handled by the controller.resize() method. The config is used\n     * to determine the aspect ratio to apply in case no explicit height has been specified.\n     */\n    function initCanvas(canvas, config) {\n        var style = canvas.style;\n\n        // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it\n        // returns null or '' if no explicit value has been set to the canvas attribute.\n        var renderHeight = canvas.getAttribute('height');\n        var renderWidth = canvas.getAttribute('width');\n\n        // Chart.js modifies some canvas values that we want to restore on destroy\n        canvas[EXPANDO_KEY] = {\n            initial: {\n                height: renderHeight,\n                width: renderWidth,\n                style: {\n                    display: style.display,\n                    height: style.height,\n                    width: style.width\n                }\n            }\n        };\n\n        // Force canvas to display as block to avoid extra space caused by inline\n        // elements, which would interfere with the responsive resize process.\n        // https://github.com/chartjs/Chart.js/issues/2538\n        style.display = style.display || 'block';\n\n        if (renderWidth === null || renderWidth === '') {\n            var displayWidth = readUsedSize(canvas, 'width');\n            if (displayWidth !== undefined) {\n                canvas.width = displayWidth;\n            }\n        }\n\n        if (renderHeight === null || renderHeight === '') {\n            if (canvas.style.height === '') {\n                // If no explicit render height and style height, let's apply the aspect ratio,\n                // which one can be specified by the user but also by charts as default option\n                // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.\n                canvas.height = canvas.width / (config.options.aspectRatio || 2);\n            } else {\n                var displayHeight = readUsedSize(canvas, 'height');\n                if (displayWidth !== undefined) {\n                    canvas.height = displayHeight;\n                }\n            }\n        }\n\n        return canvas;\n    }\n\n    /**\n     * Detects support for options object argument in addEventListener.\n     * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support\n     * @private\n     */\n    var supportsEventListenerOptions = (function() {\n        var supports = false;\n        try {\n            var options = Object.defineProperty({}, 'passive', {\n                get: function() {\n                    supports = true;\n                }\n            });\n            window.addEventListener('e', null, options);\n        } catch (e) {\n            // continue regardless of error\n        }\n        return supports;\n    }());\n\n// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.\n// https://github.com/chartjs/Chart.js/issues/4287\n    var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;\n\n    function addEventListener(node, type, listener) {\n        node.addEventListener(type, listener, eventListenerOptions);\n    }\n\n    function removeEventListener(node, type, listener) {\n        node.removeEventListener(type, listener, eventListenerOptions);\n    }\n\n    function createEvent(type, chart, x, y, nativeEvent) {\n        return {\n            type: type,\n            chart: chart,\n            native: nativeEvent || null,\n            x: x !== undefined ? x : null,\n            y: y !== undefined ? y : null,\n        };\n    }\n\n    function fromNativeEvent(event, chart) {\n        var type = EVENT_TYPES[event.type] || event.type;\n        var pos = helpers.getRelativePosition(event, chart);\n        return createEvent(type, chart, pos.x, pos.y, event);\n    }\n\n    function throttled(fn, thisArg) {\n        var ticking = false;\n        var args = [];\n\n        return function() {\n            args = Array.prototype.slice.call(arguments);\n            thisArg = thisArg || this;\n\n            if (!ticking) {\n                ticking = true;\n                helpers.requestAnimFrame.call(window, function() {\n                    ticking = false;\n                    fn.apply(thisArg, args);\n                });\n            }\n        };\n    }\n\n// Implementation based on https://github.com/marcj/css-element-queries\n    function createResizer(handler) {\n        var resizer = document.createElement('div');\n        var cls = CSS_PREFIX + 'size-monitor';\n        var maxSize = 1000000;\n        var style =\n            'position:absolute;' +\n            'left:0;' +\n            'top:0;' +\n            'right:0;' +\n            'bottom:0;' +\n            'overflow:hidden;' +\n            'pointer-events:none;' +\n            'visibility:hidden;' +\n            'z-index:-1;';\n\n        resizer.style.cssText = style;\n        resizer.className = cls;\n        resizer.innerHTML =\n            '<div class=\"' + cls + '-expand\" style=\"' + style + '\">' +\n            '<div style=\"' +\n            'position:absolute;' +\n            'width:' + maxSize + 'px;' +\n            'height:' + maxSize + 'px;' +\n            'left:0;' +\n            'top:0\">' +\n            '</div>' +\n            '</div>' +\n            '<div class=\"' + cls + '-shrink\" style=\"' + style + '\">' +\n            '<div style=\"' +\n            'position:absolute;' +\n            'width:200%;' +\n            'height:200%;' +\n            'left:0; ' +\n            'top:0\">' +\n            '</div>' +\n            '</div>';\n\n        var expand = resizer.childNodes[0];\n        var shrink = resizer.childNodes[1];\n\n        resizer._reset = function() {\n            expand.scrollLeft = maxSize;\n            expand.scrollTop = maxSize;\n            shrink.scrollLeft = maxSize;\n            shrink.scrollTop = maxSize;\n        };\n        var onScroll = function() {\n            resizer._reset();\n            handler();\n        };\n\n        addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand'));\n        addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));\n\n        return resizer;\n    }\n\n// https://davidwalsh.name/detect-node-insertion\n    function watchForRender(node, handler) {\n        var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n        var proxy = expando.renderProxy = function(e) {\n            if (e.animationName === CSS_RENDER_ANIMATION) {\n                handler();\n            }\n        };\n\n        helpers.each(ANIMATION_START_EVENTS, function(type) {\n            addEventListener(node, type, proxy);\n        });\n\n        node.classList.add(CSS_RENDER_MONITOR);\n    }\n\n    function unwatchForRender(node) {\n        var expando = node[EXPANDO_KEY] || {};\n        var proxy = expando.renderProxy;\n\n        if (proxy) {\n            helpers.each(ANIMATION_START_EVENTS, function(type) {\n                removeEventListener(node, type, proxy);\n            });\n\n            delete expando.renderProxy;\n        }\n\n        node.classList.remove(CSS_RENDER_MONITOR);\n    }\n\n    function addResizeListener(node, listener, chart) {\n        var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n\n        // Let's keep track of this added resizer and thus avoid DOM query when removing it.\n        var resizer = expando.resizer = createResizer(throttled(function() {\n            if (expando.resizer) {\n                return listener(createEvent('resize', chart));\n            }\n        }));\n\n        // The resizer needs to be attached to the node parent, so we first need to be\n        // sure that `node` is attached to the DOM before injecting the resizer element.\n        watchForRender(node, function() {\n            if (expando.resizer) {\n                var container = node.parentNode;\n                if (container && container !== resizer.parentNode) {\n                    container.insertBefore(resizer, container.firstChild);\n                }\n\n                // The container size might have changed, let's reset the resizer state.\n                resizer._reset();\n            }\n        });\n    }\n\n    function removeResizeListener(node) {\n        var expando = node[EXPANDO_KEY] || {};\n        var resizer = expando.resizer;\n\n        delete expando.resizer;\n        unwatchForRender(node);\n\n        if (resizer && resizer.parentNode) {\n            resizer.parentNode.removeChild(resizer);\n        }\n    }\n\n    function injectCSS(platform, css) {\n        // http://stackoverflow.com/q/3922139\n        var style = platform._style || document.createElement('style');\n        if (!platform._style) {\n            platform._style = style;\n            css = '/* Chart.js */\\n' + css;\n            style.setAttribute('type', 'text/css');\n            document.getElementsByTagName('head')[0].appendChild(style);\n        }\n\n        style.appendChild(document.createTextNode(css));\n    }\n\n    module.exports = {\n        /**\n         * This property holds whether this platform is enabled for the current environment.\n         * Currently used by platform.js to select the proper implementation.\n         * @private\n         */\n        _enabled: typeof window !== 'undefined' && typeof document !== 'undefined',\n\n        initialize: function() {\n            var keyframes = 'from{opacity:0.99}to{opacity:1}';\n\n            injectCSS(this,\n                // DOM rendering detection\n                // https://davidwalsh.name/detect-node-insertion\n                '@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n                '@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n                '.' + CSS_RENDER_MONITOR + '{' +\n                '-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n                'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n                '}'\n            );\n        },\n\n        acquireContext: function(item, config) {\n            if (typeof item === 'string') {\n                item = document.getElementById(item);\n            } else if (item.length) {\n                // Support for array based queries (such as jQuery)\n                item = item[0];\n            }\n\n            if (item && item.canvas) {\n                // Support for any object associated to a canvas (including a context2d)\n                item = item.canvas;\n            }\n\n            // To prevent canvas fingerprinting, some add-ons undefine the getContext\n            // method, for example: https://github.com/kkapsner/CanvasBlocker\n            // https://github.com/chartjs/Chart.js/issues/2807\n            var context = item && item.getContext && item.getContext('2d');\n\n            // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is\n            // inside an iframe or when running in a protected environment. We could guess the\n            // types from their toString() value but let's keep things flexible and assume it's\n            // a sufficient condition if the item has a context2D which has item as `canvas`.\n            // https://github.com/chartjs/Chart.js/issues/3887\n            // https://github.com/chartjs/Chart.js/issues/4102\n            // https://github.com/chartjs/Chart.js/issues/4152\n            if (context && context.canvas === item) {\n                initCanvas(item, config);\n                return context;\n            }\n\n            return null;\n        },\n\n        releaseContext: function(context) {\n            var canvas = context.canvas;\n            if (!canvas[EXPANDO_KEY]) {\n                return;\n            }\n\n            var initial = canvas[EXPANDO_KEY].initial;\n            ['height', 'width'].forEach(function(prop) {\n                var value = initial[prop];\n                if (helpers.isNullOrUndef(value)) {\n                    canvas.removeAttribute(prop);\n                } else {\n                    canvas.setAttribute(prop, value);\n                }\n            });\n\n            helpers.each(initial.style || {}, function(value, key) {\n                canvas.style[key] = value;\n            });\n\n            // The canvas render size might have been changed (and thus the state stack discarded),\n            // we can't use save() and restore() to restore the initial state. So make sure that at\n            // least the canvas context is reset to the default state by setting the canvas width.\n            // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html\n            canvas.width = canvas.width;\n\n            delete canvas[EXPANDO_KEY];\n        },\n\n        addEventListener: function(chart, type, listener) {\n            var canvas = chart.canvas;\n            if (type === 'resize') {\n                // Note: the resize event is not supported on all browsers.\n                addResizeListener(canvas, listener, chart);\n                return;\n            }\n\n            var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {});\n            var proxies = expando.proxies || (expando.proxies = {});\n            var proxy = proxies[chart.id + '_' + type] = function(event) {\n                listener(fromNativeEvent(event, chart));\n            };\n\n            addEventListener(canvas, type, proxy);\n        },\n\n        removeEventListener: function(chart, type, listener) {\n            var canvas = chart.canvas;\n            if (type === 'resize') {\n                // Note: the resize event is not supported on all browsers.\n                removeResizeListener(canvas, listener);\n                return;\n            }\n\n            var expando = listener[EXPANDO_KEY] || {};\n            var proxies = expando.proxies || {};\n            var proxy = proxies[chart.id + '_' + type];\n            if (!proxy) {\n                return;\n            }\n\n            removeEventListener(canvas, type, proxy);\n        }\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use EventTarget.addEventListener instead.\n     * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n     * @function Chart.helpers.addEvent\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.addEvent = addEventListener;\n\n    /**\n     * Provided for backward compatibility, use EventTarget.removeEventListener instead.\n     * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener\n     * @function Chart.helpers.removeEvent\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.removeEvent = removeEventListener;\n\n},{\"45\":45}],48:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var basic = require(46);\n    var dom = require(47);\n\n// @TODO Make possible to select another platform at build time.\n    var implementation = dom._enabled ? dom : basic;\n\n    /**\n     * @namespace Chart.platform\n     * @see https://chartjs.gitbooks.io/proposals/content/Platform.html\n     * @since 2.4.0\n     */\n    module.exports = helpers.extend({\n        /**\n         * @since 2.7.0\n         */\n        initialize: function() {},\n\n        /**\n         * Called at chart construction time, returns a context2d instance implementing\n         * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}.\n         * @param {*} item - The native item from which to acquire context (platform specific)\n         * @param {Object} options - The chart options\n         * @returns {CanvasRenderingContext2D} context2d instance\n         */\n        acquireContext: function() {},\n\n        /**\n         * Called at chart destruction time, releases any resources associated to the context\n         * previously returned by the acquireContext() method.\n         * @param {CanvasRenderingContext2D} context - The context2d instance\n         * @returns {Boolean} true if the method succeeded, else false\n         */\n        releaseContext: function() {},\n\n        /**\n         * Registers the specified listener on the given chart.\n         * @param {Chart} chart - Chart from which to listen for event\n         * @param {String} type - The ({@link IEvent}) type to listen for\n         * @param {Function} listener - Receives a notification (an object that implements\n         * the {@link IEvent} interface) when an event of the specified type occurs.\n         */\n        addEventListener: function() {},\n\n        /**\n         * Removes the specified listener previously registered with addEventListener.\n         * @param {Chart} chart -Chart from which to remove the listener\n         * @param {String} type - The ({@link IEvent}) type to remove\n         * @param {Function} listener - The listener function to remove from the event target.\n         */\n        removeEventListener: function() {}\n\n    }, implementation);\n\n    /**\n     * @interface IPlatform\n     * Allows abstracting platform dependencies away from the chart\n     * @borrows Chart.platform.acquireContext as acquireContext\n     * @borrows Chart.platform.releaseContext as releaseContext\n     * @borrows Chart.platform.addEventListener as addEventListener\n     * @borrows Chart.platform.removeEventListener as removeEventListener\n     */\n\n    /**\n     * @interface IEvent\n     * @prop {String} type - The event type name, possible values are:\n     * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout',\n     * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize'\n     * @prop {*} native - The original native event (null for emulated events, e.g. 'resize')\n     * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events)\n     * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events)\n     */\n\n},{\"45\":45,\"46\":46,\"47\":47}],49:[function(require,module,exports){\n    /**\n     * Plugin based on discussion from the following Chart.js issues:\n     * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569\n     * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897\n     */\n\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        plugins: {\n            filler: {\n                propagate: true\n            }\n        }\n    });\n\n    module.exports = function() {\n\n        var mappers = {\n            dataset: function(source) {\n                var index = source.fill;\n                var chart = source.chart;\n                var meta = chart.getDatasetMeta(index);\n                var visible = meta && chart.isDatasetVisible(index);\n                var points = (visible && meta.dataset._children) || [];\n                var length = points.length || 0;\n\n                return !length ? null : function(point, i) {\n                    return (i < length && points[i]._view) || null;\n                };\n            },\n\n            boundary: function(source) {\n                var boundary = source.boundary;\n                var x = boundary ? boundary.x : null;\n                var y = boundary ? boundary.y : null;\n\n                return function(point) {\n                    return {\n                        x: x === null ? point.x : x,\n                        y: y === null ? point.y : y,\n                    };\n                };\n            }\n        };\n\n        // @todo if (fill[0] === '#')\n        function decodeFill(el, index, count) {\n            var model = el._model || {};\n            var fill = model.fill;\n            var target;\n\n            if (fill === undefined) {\n                fill = !!model.backgroundColor;\n            }\n\n            if (fill === false || fill === null) {\n                return false;\n            }\n\n            if (fill === true) {\n                return 'origin';\n            }\n\n            target = parseFloat(fill, 10);\n            if (isFinite(target) && Math.floor(target) === target) {\n                if (fill[0] === '-' || fill[0] === '+') {\n                    target = index + target;\n                }\n\n                if (target === index || target < 0 || target >= count) {\n                    return false;\n                }\n\n                return target;\n            }\n\n            switch (fill) {\n                // compatibility\n                case 'bottom':\n                    return 'start';\n                case 'top':\n                    return 'end';\n                case 'zero':\n                    return 'origin';\n                // supported boundaries\n                case 'origin':\n                case 'start':\n                case 'end':\n                    return fill;\n                // invalid fill values\n                default:\n                    return false;\n            }\n        }\n\n        function computeBoundary(source) {\n            var model = source.el._model || {};\n            var scale = source.el._scale || {};\n            var fill = source.fill;\n            var target = null;\n            var horizontal;\n\n            if (isFinite(fill)) {\n                return null;\n            }\n\n            // Backward compatibility: until v3, we still need to support boundary values set on\n            // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and\n            // controllers might still use it (e.g. the Smith chart).\n\n            if (fill === 'start') {\n                target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;\n            } else if (fill === 'end') {\n                target = model.scaleTop === undefined ? scale.top : model.scaleTop;\n            } else if (model.scaleZero !== undefined) {\n                target = model.scaleZero;\n            } else if (scale.getBasePosition) {\n                target = scale.getBasePosition();\n            } else if (scale.getBasePixel) {\n                target = scale.getBasePixel();\n            }\n\n            if (target !== undefined && target !== null) {\n                if (target.x !== undefined && target.y !== undefined) {\n                    return target;\n                }\n\n                if (typeof target === 'number' && isFinite(target)) {\n                    horizontal = scale.isHorizontal();\n                    return {\n                        x: horizontal ? target : null,\n                        y: horizontal ? null : target\n                    };\n                }\n            }\n\n            return null;\n        }\n\n        function resolveTarget(sources, index, propagate) {\n            var source = sources[index];\n            var fill = source.fill;\n            var visited = [index];\n            var target;\n\n            if (!propagate) {\n                return fill;\n            }\n\n            while (fill !== false && visited.indexOf(fill) === -1) {\n                if (!isFinite(fill)) {\n                    return fill;\n                }\n\n                target = sources[fill];\n                if (!target) {\n                    return false;\n                }\n\n                if (target.visible) {\n                    return fill;\n                }\n\n                visited.push(fill);\n                fill = target.fill;\n            }\n\n            return false;\n        }\n\n        function createMapper(source) {\n            var fill = source.fill;\n            var type = 'dataset';\n\n            if (fill === false) {\n                return null;\n            }\n\n            if (!isFinite(fill)) {\n                type = 'boundary';\n            }\n\n            return mappers[type](source);\n        }\n\n        function isDrawable(point) {\n            return point && !point.skip;\n        }\n\n        function drawArea(ctx, curve0, curve1, len0, len1) {\n            var i;\n\n            if (!len0 || !len1) {\n                return;\n            }\n\n            // building first area curve (normal)\n            ctx.moveTo(curve0[0].x, curve0[0].y);\n            for (i = 1; i < len0; ++i) {\n                helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);\n            }\n\n            // joining the two area curves\n            ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);\n\n            // building opposite area curve (reverse)\n            for (i = len1 - 1; i > 0; --i) {\n                helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);\n            }\n        }\n\n        function doFill(ctx, points, mapper, view, color, loop) {\n            var count = points.length;\n            var span = view.spanGaps;\n            var curve0 = [];\n            var curve1 = [];\n            var len0 = 0;\n            var len1 = 0;\n            var i, ilen, index, p0, p1, d0, d1;\n\n            ctx.beginPath();\n\n            for (i = 0, ilen = (count + !!loop); i < ilen; ++i) {\n                index = i % count;\n                p0 = points[index]._view;\n                p1 = mapper(p0, index, view);\n                d0 = isDrawable(p0);\n                d1 = isDrawable(p1);\n\n                if (d0 && d1) {\n                    len0 = curve0.push(p0);\n                    len1 = curve1.push(p1);\n                } else if (len0 && len1) {\n                    if (!span) {\n                        drawArea(ctx, curve0, curve1, len0, len1);\n                        len0 = len1 = 0;\n                        curve0 = [];\n                        curve1 = [];\n                    } else {\n                        if (d0) {\n                            curve0.push(p0);\n                        }\n                        if (d1) {\n                            curve1.push(p1);\n                        }\n                    }\n                }\n            }\n\n            drawArea(ctx, curve0, curve1, len0, len1);\n\n            ctx.closePath();\n            ctx.fillStyle = color;\n            ctx.fill();\n        }\n\n        return {\n            id: 'filler',\n\n            afterDatasetsUpdate: function(chart, options) {\n                var count = (chart.data.datasets || []).length;\n                var propagate = options.propagate;\n                var sources = [];\n                var meta, i, el, source;\n\n                for (i = 0; i < count; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    el = meta.dataset;\n                    source = null;\n\n                    if (el && el._model && el instanceof elements.Line) {\n                        source = {\n                            visible: chart.isDatasetVisible(i),\n                            fill: decodeFill(el, i, count),\n                            chart: chart,\n                            el: el\n                        };\n                    }\n\n                    meta.$filler = source;\n                    sources.push(source);\n                }\n\n                for (i = 0; i < count; ++i) {\n                    source = sources[i];\n                    if (!source) {\n                        continue;\n                    }\n\n                    source.fill = resolveTarget(sources, i, propagate);\n                    source.boundary = computeBoundary(source);\n                    source.mapper = createMapper(source);\n                }\n            },\n\n            beforeDatasetDraw: function(chart, args) {\n                var meta = args.meta.$filler;\n                if (!meta) {\n                    return;\n                }\n\n                var ctx = chart.ctx;\n                var el = meta.el;\n                var view = el._view;\n                var points = el._children || [];\n                var mapper = meta.mapper;\n                var color = view.backgroundColor || defaults.global.defaultColor;\n\n                if (mapper && color && points.length) {\n                    helpers.canvas.clipArea(ctx, chart.chartArea);\n                    doFill(ctx, points, mapper, view, color, el._loop);\n                    helpers.canvas.unclipArea(ctx);\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],50:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        legend: {\n            display: true,\n            position: 'top',\n            fullWidth: true,\n            reverse: false,\n            weight: 1000,\n\n            // a callback that will handle\n            onClick: function(e, legendItem) {\n                var index = legendItem.datasetIndex;\n                var ci = this.chart;\n                var meta = ci.getDatasetMeta(index);\n\n                // See controller.isDatasetVisible comment\n                meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;\n\n                // We hid a dataset ... rerender the chart\n                ci.update();\n            },\n\n            onHover: null,\n\n            labels: {\n                boxWidth: 40,\n                padding: 10,\n                // Generates labels shown in the legend\n                // Valid properties to return:\n                // text : text to display\n                // fillStyle : fill of coloured box\n                // strokeStyle: stroke of coloured box\n                // hidden : if this legend item refers to a hidden item\n                // lineCap : cap style for line\n                // lineDash\n                // lineDashOffset :\n                // lineJoin :\n                // lineWidth :\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) {\n                        return {\n                            text: dataset.label,\n                            fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]),\n                            hidden: !chart.isDatasetVisible(i),\n                            lineCap: dataset.borderCapStyle,\n                            lineDash: dataset.borderDash,\n                            lineDashOffset: dataset.borderDashOffset,\n                            lineJoin: dataset.borderJoinStyle,\n                            lineWidth: dataset.borderWidth,\n                            strokeStyle: dataset.borderColor,\n                            pointStyle: dataset.pointStyle,\n\n                            // Below is extra data used for toggling the datasets\n                            datasetIndex: i\n                        };\n                    }, this) : [];\n                }\n            }\n        },\n\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n            for (var i = 0; i < chart.data.datasets.length; i++) {\n                text.push('<li><span style=\"background-color:' + chart.data.datasets[i].backgroundColor + '\"></span>');\n                if (chart.data.datasets[i].label) {\n                    text.push(chart.data.datasets[i].label);\n                }\n                text.push('</li>');\n            }\n            text.push('</ul>');\n            return text.join('');\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        var layout = Chart.layoutService;\n        var noop = helpers.noop;\n\n        /**\n         * Helper function to get the box width based on the usePointStyle option\n         * @param labelopts {Object} the label options on the legend\n         * @param fontSize {Number} the label font size\n         * @return {Number} width of the color box area\n         */\n        function getBoxWidth(labelOpts, fontSize) {\n            return labelOpts.usePointStyle ?\n                fontSize * Math.SQRT2 :\n                labelOpts.boxWidth;\n        }\n\n        Chart.Legend = Element.extend({\n\n            initialize: function(config) {\n                helpers.extend(this, config);\n\n                // Contains hit boxes for each dataset (in dataset order)\n                this.legendHitBoxes = [];\n\n                // Are we in doughnut mode which has a different data type\n                this.doughnutMode = false;\n            },\n\n            // These methods are ordered by lifecycle. Utilities then follow.\n            // Any function defined here is inherited by all legend types.\n            // Any function can be extended by the legend type\n\n            beforeUpdate: noop,\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = margins;\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n                // Labels\n                me.beforeBuildLabels();\n                me.buildLabels();\n                me.afterBuildLabels();\n\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n            },\n            afterUpdate: noop,\n\n            //\n\n            beforeSetDimensions: noop,\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n\n                // Reset minSize\n                me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n            },\n            afterSetDimensions: noop,\n\n            //\n\n            beforeBuildLabels: noop,\n            buildLabels: function() {\n                var me = this;\n                var labelOpts = me.options.labels || {};\n                var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || [];\n\n                if (labelOpts.filter) {\n                    legendItems = legendItems.filter(function(item) {\n                        return labelOpts.filter(item, me.chart.data);\n                    });\n                }\n\n                if (me.options.reverse) {\n                    legendItems.reverse();\n                }\n\n                me.legendItems = legendItems;\n            },\n            afterBuildLabels: noop,\n\n            //\n\n            beforeFit: noop,\n            fit: function() {\n                var me = this;\n                var opts = me.options;\n                var labelOpts = opts.labels;\n                var display = opts.display;\n\n                var ctx = me.ctx;\n\n                var globalDefault = defaults.global;\n                var valueOrDefault = helpers.valueOrDefault;\n                var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n                var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n                var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n                var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n                // Reset hit boxes\n                var hitboxes = me.legendHitBoxes = [];\n\n                var minSize = me.minSize;\n                var isHorizontal = me.isHorizontal();\n\n                if (isHorizontal) {\n                    minSize.width = me.maxWidth; // fill all the width\n                    minSize.height = display ? 10 : 0;\n                } else {\n                    minSize.width = display ? 10 : 0;\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                // Increase sizes here\n                if (display) {\n                    ctx.font = labelFont;\n\n                    if (isHorizontal) {\n                        // Labels\n\n                        // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one\n                        var lineWidths = me.lineWidths = [0];\n                        var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0;\n\n                        ctx.textAlign = 'left';\n                        ctx.textBaseline = 'top';\n\n                        helpers.each(me.legendItems, function(legendItem, i) {\n                            var boxWidth = getBoxWidth(labelOpts, fontSize);\n                            var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n                            if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) {\n                                totalHeight += fontSize + (labelOpts.padding);\n                                lineWidths[lineWidths.length] = me.left;\n                            }\n\n                            // Store the hitbox width and height here. Final position will be updated in `draw`\n                            hitboxes[i] = {\n                                left: 0,\n                                top: 0,\n                                width: width,\n                                height: fontSize\n                            };\n\n                            lineWidths[lineWidths.length - 1] += width + labelOpts.padding;\n                        });\n\n                        minSize.height += totalHeight;\n\n                    } else {\n                        var vPadding = labelOpts.padding;\n                        var columnWidths = me.columnWidths = [];\n                        var totalWidth = labelOpts.padding;\n                        var currentColWidth = 0;\n                        var currentColHeight = 0;\n                        var itemHeight = fontSize + vPadding;\n\n                        helpers.each(me.legendItems, function(legendItem, i) {\n                            var boxWidth = getBoxWidth(labelOpts, fontSize);\n                            var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n                            // If too tall, go to new column\n                            if (currentColHeight + itemHeight > minSize.height) {\n                                totalWidth += currentColWidth + labelOpts.padding;\n                                columnWidths.push(currentColWidth); // previous column width\n\n                                currentColWidth = 0;\n                                currentColHeight = 0;\n                            }\n\n                            // Get max width\n                            currentColWidth = Math.max(currentColWidth, itemWidth);\n                            currentColHeight += itemHeight;\n\n                            // Store the hitbox width and height here. Final position will be updated in `draw`\n                            hitboxes[i] = {\n                                left: 0,\n                                top: 0,\n                                width: itemWidth,\n                                height: fontSize\n                            };\n                        });\n\n                        totalWidth += currentColWidth;\n                        columnWidths.push(currentColWidth);\n                        minSize.width += totalWidth;\n                    }\n                }\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n            },\n            afterFit: noop,\n\n            // Shared Methods\n            isHorizontal: function() {\n                return this.options.position === 'top' || this.options.position === 'bottom';\n            },\n\n            // Actually draw the legend on the canvas\n            draw: function() {\n                var me = this;\n                var opts = me.options;\n                var labelOpts = opts.labels;\n                var globalDefault = defaults.global;\n                var lineDefault = globalDefault.elements.line;\n                var legendWidth = me.width;\n                var lineWidths = me.lineWidths;\n\n                if (opts.display) {\n                    var ctx = me.ctx;\n                    var valueOrDefault = helpers.valueOrDefault;\n                    var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor);\n                    var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n                    var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n                    var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n                    var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n                    var cursor;\n\n                    // Canvas setup\n                    ctx.textAlign = 'left';\n                    ctx.textBaseline = 'middle';\n                    ctx.lineWidth = 0.5;\n                    ctx.strokeStyle = fontColor; // for strikethrough effect\n                    ctx.fillStyle = fontColor; // render in correct colour\n                    ctx.font = labelFont;\n\n                    var boxWidth = getBoxWidth(labelOpts, fontSize);\n                    var hitboxes = me.legendHitBoxes;\n\n                    // current position\n                    var drawLegendBox = function(x, y, legendItem) {\n                        if (isNaN(boxWidth) || boxWidth <= 0) {\n                            return;\n                        }\n\n                        // Set the ctx for the box\n                        ctx.save();\n\n                        ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor);\n                        ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle);\n                        ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset);\n                        ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle);\n                        ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth);\n                        ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor);\n                        var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0);\n\n                        if (ctx.setLineDash) {\n                            // IE 9 and 10 do not support line dash\n                            ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash));\n                        }\n\n                        if (opts.labels && opts.labels.usePointStyle) {\n                            // Recalculate x and y for drawPoint() because its expecting\n                            // x and y to be center of figure (instead of top left)\n                            var radius = fontSize * Math.SQRT2 / 2;\n                            var offSet = radius / Math.SQRT2;\n                            var centerX = x + offSet;\n                            var centerY = y + offSet;\n\n                            // Draw pointStyle as legend symbol\n                            helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY);\n                        } else {\n                            // Draw box as legend symbol\n                            if (!isLineWidthZero) {\n                                ctx.strokeRect(x, y, boxWidth, fontSize);\n                            }\n                            ctx.fillRect(x, y, boxWidth, fontSize);\n                        }\n\n                        ctx.restore();\n                    };\n                    var fillText = function(x, y, legendItem, textWidth) {\n                        var halfFontSize = fontSize / 2;\n                        var xLeft = boxWidth + halfFontSize + x;\n                        var yMiddle = y + halfFontSize;\n\n                        ctx.fillText(legendItem.text, xLeft, yMiddle);\n\n                        if (legendItem.hidden) {\n                            // Strikethrough the text if hidden\n                            ctx.beginPath();\n                            ctx.lineWidth = 2;\n                            ctx.moveTo(xLeft, yMiddle);\n                            ctx.lineTo(xLeft + textWidth, yMiddle);\n                            ctx.stroke();\n                        }\n                    };\n\n                    // Horizontal\n                    var isHorizontal = me.isHorizontal();\n                    if (isHorizontal) {\n                        cursor = {\n                            x: me.left + ((legendWidth - lineWidths[0]) / 2),\n                            y: me.top + labelOpts.padding,\n                            line: 0\n                        };\n                    } else {\n                        cursor = {\n                            x: me.left + labelOpts.padding,\n                            y: me.top + labelOpts.padding,\n                            line: 0\n                        };\n                    }\n\n                    var itemHeight = fontSize + labelOpts.padding;\n                    helpers.each(me.legendItems, function(legendItem, i) {\n                        var textWidth = ctx.measureText(legendItem.text).width;\n                        var width = boxWidth + (fontSize / 2) + textWidth;\n                        var x = cursor.x;\n                        var y = cursor.y;\n\n                        if (isHorizontal) {\n                            if (x + width >= legendWidth) {\n                                y = cursor.y += itemHeight;\n                                cursor.line++;\n                                x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2);\n                            }\n                        } else if (y + itemHeight > me.bottom) {\n                            x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;\n                            y = cursor.y = me.top + labelOpts.padding;\n                            cursor.line++;\n                        }\n\n                        drawLegendBox(x, y, legendItem);\n\n                        hitboxes[i].left = x;\n                        hitboxes[i].top = y;\n\n                        // Fill the actual label\n                        fillText(x, y, legendItem, textWidth);\n\n                        if (isHorizontal) {\n                            cursor.x += width + (labelOpts.padding);\n                        } else {\n                            cursor.y += itemHeight;\n                        }\n\n                    });\n                }\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event - The event to handle\n             * @return {Boolean} true if a change occured\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var opts = me.options;\n                var type = e.type === 'mouseup' ? 'click' : e.type;\n                var changed = false;\n\n                if (type === 'mousemove') {\n                    if (!opts.onHover) {\n                        return;\n                    }\n                } else if (type === 'click') {\n                    if (!opts.onClick) {\n                        return;\n                    }\n                } else {\n                    return;\n                }\n\n                // Chart event already has relative position in it\n                var x = e.x;\n                var y = e.y;\n\n                if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {\n                    // See if we are touching one of the dataset boxes\n                    var lh = me.legendHitBoxes;\n                    for (var i = 0; i < lh.length; ++i) {\n                        var hitBox = lh[i];\n\n                        if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {\n                            // Touching an element\n                            if (type === 'click') {\n                                // use e.native for backwards compatibility\n                                opts.onClick.call(me, e.native, me.legendItems[i]);\n                                changed = true;\n                                break;\n                            } else if (type === 'mousemove') {\n                                // use e.native for backwards compatibility\n                                opts.onHover.call(me, e.native, me.legendItems[i]);\n                                changed = true;\n                                break;\n                            }\n                        }\n                    }\n                }\n\n                return changed;\n            }\n        });\n\n        function createNewLegendAndAttach(chart, legendOpts) {\n            var legend = new Chart.Legend({\n                ctx: chart.ctx,\n                options: legendOpts,\n                chart: chart\n            });\n\n            layout.configure(chart, legend, legendOpts);\n            layout.addBox(chart, legend);\n            chart.legend = legend;\n        }\n\n        return {\n            id: 'legend',\n\n            beforeInit: function(chart) {\n                var legendOpts = chart.options.legend;\n\n                if (legendOpts) {\n                    createNewLegendAndAttach(chart, legendOpts);\n                }\n            },\n\n            beforeUpdate: function(chart) {\n                var legendOpts = chart.options.legend;\n                var legend = chart.legend;\n\n                if (legendOpts) {\n                    helpers.mergeIf(legendOpts, defaults.global.legend);\n\n                    if (legend) {\n                        layout.configure(chart, legend, legendOpts);\n                        legend.options = legendOpts;\n                    } else {\n                        createNewLegendAndAttach(chart, legendOpts);\n                    }\n                } else if (legend) {\n                    layout.removeBox(chart, legend);\n                    delete chart.legend;\n                }\n            },\n\n            afterEvent: function(chart, e) {\n                var legend = chart.legend;\n                if (legend) {\n                    legend.handleEvent(e);\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],51:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        title: {\n            display: false,\n            fontStyle: 'bold',\n            fullWidth: true,\n            lineHeight: 1.2,\n            padding: 10,\n            position: 'top',\n            text: '',\n            weight: 2000         // by default greater than legend (1000) to be above\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        var layout = Chart.layoutService;\n        var noop = helpers.noop;\n\n        Chart.Title = Element.extend({\n            initialize: function(config) {\n                var me = this;\n                helpers.extend(me, config);\n\n                // Contains hit boxes for each dataset (in dataset order)\n                me.legendHitBoxes = [];\n            },\n\n            // These methods are ordered by lifecycle. Utilities then follow.\n\n            beforeUpdate: noop,\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = margins;\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n                // Labels\n                me.beforeBuildLabels();\n                me.buildLabels();\n                me.afterBuildLabels();\n\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n\n            },\n            afterUpdate: noop,\n\n            //\n\n            beforeSetDimensions: noop,\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n\n                // Reset minSize\n                me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n            },\n            afterSetDimensions: noop,\n\n            //\n\n            beforeBuildLabels: noop,\n            buildLabels: noop,\n            afterBuildLabels: noop,\n\n            //\n\n            beforeFit: noop,\n            fit: function() {\n                var me = this;\n                var valueOrDefault = helpers.valueOrDefault;\n                var opts = me.options;\n                var display = opts.display;\n                var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize);\n                var minSize = me.minSize;\n                var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1;\n                var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n                var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0;\n\n                if (me.isHorizontal()) {\n                    minSize.width = me.maxWidth; // fill all the width\n                    minSize.height = textSize;\n                } else {\n                    minSize.width = textSize;\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n\n            },\n            afterFit: noop,\n\n            // Shared Methods\n            isHorizontal: function() {\n                var pos = this.options.position;\n                return pos === 'top' || pos === 'bottom';\n            },\n\n            // Actually draw the title block on the canvas\n            draw: function() {\n                var me = this;\n                var ctx = me.ctx;\n                var valueOrDefault = helpers.valueOrDefault;\n                var opts = me.options;\n                var globalDefaults = defaults.global;\n\n                if (opts.display) {\n                    var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize);\n                    var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle);\n                    var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily);\n                    var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n                    var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n                    var offset = lineHeight / 2 + opts.padding;\n                    var rotation = 0;\n                    var top = me.top;\n                    var left = me.left;\n                    var bottom = me.bottom;\n                    var right = me.right;\n                    var maxWidth, titleX, titleY;\n\n                    ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour\n                    ctx.font = titleFont;\n\n                    // Horizontal\n                    if (me.isHorizontal()) {\n                        titleX = left + ((right - left) / 2); // midpoint of the width\n                        titleY = top + offset;\n                        maxWidth = right - left;\n                    } else {\n                        titleX = opts.position === 'left' ? left + offset : right - offset;\n                        titleY = top + ((bottom - top) / 2);\n                        maxWidth = bottom - top;\n                        rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);\n                    }\n\n                    ctx.save();\n                    ctx.translate(titleX, titleY);\n                    ctx.rotate(rotation);\n                    ctx.textAlign = 'center';\n                    ctx.textBaseline = 'middle';\n\n                    var text = opts.text;\n                    if (helpers.isArray(text)) {\n                        var y = 0;\n                        for (var i = 0; i < text.length; ++i) {\n                            ctx.fillText(text[i], 0, y, maxWidth);\n                            y += lineHeight;\n                        }\n                    } else {\n                        ctx.fillText(text, 0, 0, maxWidth);\n                    }\n\n                    ctx.restore();\n                }\n            }\n        });\n\n        function createNewTitleBlockAndAttach(chart, titleOpts) {\n            var title = new Chart.Title({\n                ctx: chart.ctx,\n                options: titleOpts,\n                chart: chart\n            });\n\n            layout.configure(chart, title, titleOpts);\n            layout.addBox(chart, title);\n            chart.titleBlock = title;\n        }\n\n        return {\n            id: 'title',\n\n            beforeInit: function(chart) {\n                var titleOpts = chart.options.title;\n\n                if (titleOpts) {\n                    createNewTitleBlockAndAttach(chart, titleOpts);\n                }\n            },\n\n            beforeUpdate: function(chart) {\n                var titleOpts = chart.options.title;\n                var titleBlock = chart.titleBlock;\n\n                if (titleOpts) {\n                    helpers.mergeIf(titleOpts, defaults.global.title);\n\n                    if (titleBlock) {\n                        layout.configure(chart, titleBlock, titleOpts);\n                        titleBlock.options = titleOpts;\n                    } else {\n                        createNewTitleBlockAndAttach(chart, titleOpts);\n                    }\n                } else if (titleBlock) {\n                    Chart.layoutService.removeBox(chart, titleBlock);\n                    delete chart.titleBlock;\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],52:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        // Default config for a category scale\n        var defaultConfig = {\n            position: 'bottom'\n        };\n\n        var DatasetScale = Chart.Scale.extend({\n            /**\n             * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those\n             * else fall back to data.labels\n             * @private\n             */\n            getLabels: function() {\n                var data = this.chart.data;\n                return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels;\n            },\n\n            determineDataLimits: function() {\n                var me = this;\n                var labels = me.getLabels();\n                me.minIndex = 0;\n                me.maxIndex = labels.length - 1;\n                var findIndex;\n\n                if (me.options.ticks.min !== undefined) {\n                    // user specified min value\n                    findIndex = labels.indexOf(me.options.ticks.min);\n                    me.minIndex = findIndex !== -1 ? findIndex : me.minIndex;\n                }\n\n                if (me.options.ticks.max !== undefined) {\n                    // user specified max value\n                    findIndex = labels.indexOf(me.options.ticks.max);\n                    me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex;\n                }\n\n                me.min = labels[me.minIndex];\n                me.max = labels[me.maxIndex];\n            },\n\n            buildTicks: function() {\n                var me = this;\n                var labels = me.getLabels();\n                // If we are viewing some subset of labels, slice the original array\n                me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1);\n            },\n\n            getLabelForIndex: function(index, datasetIndex) {\n                var me = this;\n                var data = me.chart.data;\n                var isHorizontal = me.isHorizontal();\n\n                if (data.yLabels && !isHorizontal) {\n                    return me.getRightValue(data.datasets[datasetIndex].data[index]);\n                }\n                return me.ticks[index - me.minIndex];\n            },\n\n            // Used to get data value locations.  Value can either be an index or a numerical value\n            getPixelForValue: function(value, index) {\n                var me = this;\n                var offset = me.options.offset;\n                // 1 is added because we need the length but we have the indexes\n                var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1);\n\n                // If value is a data object, then index is the index in the data array,\n                // not the index of the scale. We need to change that.\n                var valueCategory;\n                if (value !== undefined && value !== null) {\n                    valueCategory = me.isHorizontal() ? value.x : value.y;\n                }\n                if (valueCategory !== undefined || (value !== undefined && isNaN(index))) {\n                    var labels = me.getLabels();\n                    value = valueCategory || value;\n                    var idx = labels.indexOf(value);\n                    index = idx !== -1 ? idx : index;\n                }\n\n                if (me.isHorizontal()) {\n                    var valueWidth = me.width / offsetAmt;\n                    var widthOffset = (valueWidth * (index - me.minIndex));\n\n                    if (offset) {\n                        widthOffset += (valueWidth / 2);\n                    }\n\n                    return me.left + Math.round(widthOffset);\n                }\n                var valueHeight = me.height / offsetAmt;\n                var heightOffset = (valueHeight * (index - me.minIndex));\n\n                if (offset) {\n                    heightOffset += (valueHeight / 2);\n                }\n\n                return me.top + Math.round(heightOffset);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.ticks[index], index + this.minIndex, null);\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var offset = me.options.offset;\n                var value;\n                var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n                var horz = me.isHorizontal();\n                var valueDimension = (horz ? me.width : me.height) / offsetAmt;\n\n                pixel -= horz ? me.left : me.top;\n\n                if (offset) {\n                    pixel -= (valueDimension / 2);\n                }\n\n                if (pixel <= 0) {\n                    value = 0;\n                } else {\n                    value = Math.round(pixel / valueDimension);\n                }\n\n                return value + me.minIndex;\n            },\n            getBasePixel: function() {\n                return this.bottom;\n            }\n        });\n\n        Chart.scaleService.registerScaleType('category', DatasetScale, defaultConfig);\n\n    };\n\n},{}],53:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'left',\n            ticks: {\n                callback: Ticks.formatters.linear\n            }\n        };\n\n        var LinearScale = Chart.LinearScaleBase.extend({\n\n            determineDataLimits: function() {\n                var me = this;\n                var opts = me.options;\n                var chart = me.chart;\n                var data = chart.data;\n                var datasets = data.datasets;\n                var isHorizontal = me.isHorizontal();\n                var DEFAULT_MIN = 0;\n                var DEFAULT_MAX = 1;\n\n                function IDMatches(meta) {\n                    return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n                }\n\n                // First Calculate the range\n                me.min = null;\n                me.max = null;\n\n                var hasStacks = opts.stacked;\n                if (hasStacks === undefined) {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        if (hasStacks) {\n                            return;\n                        }\n\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n                            meta.stack !== undefined) {\n                            hasStacks = true;\n                        }\n                    });\n                }\n\n                if (opts.stacked || hasStacks) {\n                    var valuesPerStack = {};\n\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        var key = [\n                            meta.type,\n                            // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n                            ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n                            meta.stack\n                        ].join('.');\n\n                        if (valuesPerStack[key] === undefined) {\n                            valuesPerStack[key] = {\n                                positiveValues: [],\n                                negativeValues: []\n                            };\n                        }\n\n                        // Store these per type\n                        var positiveValues = valuesPerStack[key].positiveValues;\n                        var negativeValues = valuesPerStack[key].negativeValues;\n\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                positiveValues[index] = positiveValues[index] || 0;\n                                negativeValues[index] = negativeValues[index] || 0;\n\n                                if (opts.relativePoints) {\n                                    positiveValues[index] = 100;\n                                } else if (value < 0) {\n                                    negativeValues[index] += value;\n                                } else {\n                                    positiveValues[index] += value;\n                                }\n                            });\n                        }\n                    });\n\n                    helpers.each(valuesPerStack, function(valuesForType) {\n                        var values = valuesForType.positiveValues.concat(valuesForType.negativeValues);\n                        var minVal = helpers.min(values);\n                        var maxVal = helpers.max(values);\n                        me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n                        me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n                    });\n\n                } else {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                if (me.min === null) {\n                                    me.min = value;\n                                } else if (value < me.min) {\n                                    me.min = value;\n                                }\n\n                                if (me.max === null) {\n                                    me.max = value;\n                                } else if (value > me.max) {\n                                    me.max = value;\n                                }\n                            });\n                        }\n                    });\n                }\n\n                me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;\n                me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;\n\n                // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n                this.handleTickRangeOptions();\n            },\n            getTickLimit: function() {\n                var maxTicks;\n                var me = this;\n                var tickOpts = me.options.ticks;\n\n                if (me.isHorizontal()) {\n                    maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50));\n                } else {\n                    // The factor of 2 used to scale the font size has been experimentally determined.\n                    var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize);\n                    maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize)));\n                }\n\n                return maxTicks;\n            },\n            // Called after the ticks are built. We need\n            handleDirectionalChanges: function() {\n                if (!this.isHorizontal()) {\n                    // We are in a vertical orientation. The top value is the highest. So reverse the array\n                    this.ticks.reverse();\n                }\n            },\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            // Utils\n            getPixelForValue: function(value) {\n                // This must be called after fit has been run so that\n                // this.left, this.top, this.right, and this.bottom have been defined\n                var me = this;\n                var start = me.start;\n\n                var rightValue = +me.getRightValue(value);\n                var pixel;\n                var range = me.end - start;\n\n                if (me.isHorizontal()) {\n                    pixel = me.left + (me.width / range * (rightValue - start));\n                    return Math.round(pixel);\n                }\n\n                pixel = me.bottom - (me.height / range * (rightValue - start));\n                return Math.round(pixel);\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var isHorizontal = me.isHorizontal();\n                var innerDimension = isHorizontal ? me.width : me.height;\n                var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension;\n                return me.start + ((me.end - me.start) * offset);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.ticksAsNumbers[index]);\n            }\n        });\n        Chart.scaleService.registerScaleType('linear', LinearScale, defaultConfig);\n\n    };\n\n},{\"25\":25,\"34\":34,\"45\":45}],54:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var noop = helpers.noop;\n\n        Chart.LinearScaleBase = Chart.Scale.extend({\n            getRightValue: function(value) {\n                if (typeof value === 'string') {\n                    return +value;\n                }\n                return Chart.Scale.prototype.getRightValue.call(this, value);\n            },\n\n            handleTickRangeOptions: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                // If we are forcing it to begin at 0, but 0 will already be rendered on the chart,\n                // do nothing since that would make the chart weird. If the user really wants a weird chart\n                // axis, they can manually override it\n                if (tickOpts.beginAtZero) {\n                    var minSign = helpers.sign(me.min);\n                    var maxSign = helpers.sign(me.max);\n\n                    if (minSign < 0 && maxSign < 0) {\n                        // move the top up to 0\n                        me.max = 0;\n                    } else if (minSign > 0 && maxSign > 0) {\n                        // move the bottom down to 0\n                        me.min = 0;\n                    }\n                }\n\n                var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;\n                var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;\n\n                if (tickOpts.min !== undefined) {\n                    me.min = tickOpts.min;\n                } else if (tickOpts.suggestedMin !== undefined) {\n                    if (me.min === null) {\n                        me.min = tickOpts.suggestedMin;\n                    } else {\n                        me.min = Math.min(me.min, tickOpts.suggestedMin);\n                    }\n                }\n\n                if (tickOpts.max !== undefined) {\n                    me.max = tickOpts.max;\n                } else if (tickOpts.suggestedMax !== undefined) {\n                    if (me.max === null) {\n                        me.max = tickOpts.suggestedMax;\n                    } else {\n                        me.max = Math.max(me.max, tickOpts.suggestedMax);\n                    }\n                }\n\n                if (setMin !== setMax) {\n                    // We set the min or the max but not both.\n                    // So ensure that our range is good\n                    // Inverted or 0 length range can happen when\n                    // ticks.min is set, and no datasets are visible\n                    if (me.min >= me.max) {\n                        if (setMin) {\n                            me.max = me.min + 1;\n                        } else {\n                            me.min = me.max - 1;\n                        }\n                    }\n                }\n\n                if (me.min === me.max) {\n                    me.max++;\n\n                    if (!tickOpts.beginAtZero) {\n                        me.min--;\n                    }\n                }\n            },\n            getTickLimit: noop,\n            handleDirectionalChanges: noop,\n\n            buildTicks: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                // Figure out what the max number of ticks we can support it is based on the size of\n                // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n                // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n                // the graph. Make sure we always have at least 2 ticks\n                var maxTicks = me.getTickLimit();\n                maxTicks = Math.max(2, maxTicks);\n\n                var numericGeneratorOptions = {\n                    maxTicks: maxTicks,\n                    min: tickOpts.min,\n                    max: tickOpts.max,\n                    stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)\n                };\n                var ticks = me.ticks = Ticks.generators.linear(numericGeneratorOptions, me);\n\n                me.handleDirectionalChanges();\n\n                // At this point, we need to update our max and min given the tick values since we have expanded the\n                // range of the scale\n                me.max = helpers.max(ticks);\n                me.min = helpers.min(ticks);\n\n                if (tickOpts.reverse) {\n                    ticks.reverse();\n\n                    me.start = me.max;\n                    me.end = me.min;\n                } else {\n                    me.start = me.min;\n                    me.end = me.max;\n                }\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n                me.ticksAsNumbers = me.ticks.slice();\n                me.zeroLineIndex = me.ticks.indexOf(0);\n\n                Chart.Scale.prototype.convertTicksToLabels.call(me);\n            }\n        });\n    };\n\n},{\"34\":34,\"45\":45}],55:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'left',\n\n            // label settings\n            ticks: {\n                callback: Ticks.formatters.logarithmic\n            }\n        };\n\n        var LogarithmicScale = Chart.Scale.extend({\n            determineDataLimits: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var chart = me.chart;\n                var data = chart.data;\n                var datasets = data.datasets;\n                var valueOrDefault = helpers.valueOrDefault;\n                var isHorizontal = me.isHorizontal();\n                function IDMatches(meta) {\n                    return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n                }\n\n                // Calculate Range\n                me.min = null;\n                me.max = null;\n                me.minNotZero = null;\n\n                var hasStacks = opts.stacked;\n                if (hasStacks === undefined) {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        if (hasStacks) {\n                            return;\n                        }\n\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n                            meta.stack !== undefined) {\n                            hasStacks = true;\n                        }\n                    });\n                }\n\n                if (opts.stacked || hasStacks) {\n                    var valuesPerStack = {};\n\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        var key = [\n                            meta.type,\n                            // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n                            ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n                            meta.stack\n                        ].join('.');\n\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            if (valuesPerStack[key] === undefined) {\n                                valuesPerStack[key] = [];\n                            }\n\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var values = valuesPerStack[key];\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                values[index] = values[index] || 0;\n\n                                if (opts.relativePoints) {\n                                    values[index] = 100;\n                                } else {\n                                    // Don't need to split positive and negative since the log scale can't handle a 0 crossing\n                                    values[index] += value;\n                                }\n                            });\n                        }\n                    });\n\n                    helpers.each(valuesPerStack, function(valuesForType) {\n                        var minVal = helpers.min(valuesForType);\n                        var maxVal = helpers.max(valuesForType);\n                        me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n                        me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n                    });\n\n                } else {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                if (me.min === null) {\n                                    me.min = value;\n                                } else if (value < me.min) {\n                                    me.min = value;\n                                }\n\n                                if (me.max === null) {\n                                    me.max = value;\n                                } else if (value > me.max) {\n                                    me.max = value;\n                                }\n\n                                if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) {\n                                    me.minNotZero = value;\n                                }\n                            });\n                        }\n                    });\n                }\n\n                me.min = valueOrDefault(tickOpts.min, me.min);\n                me.max = valueOrDefault(tickOpts.max, me.max);\n\n                if (me.min === me.max) {\n                    if (me.min !== 0 && me.min !== null) {\n                        me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1);\n                        me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1);\n                    } else {\n                        me.min = 1;\n                        me.max = 10;\n                    }\n                }\n            },\n            buildTicks: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                var generationOptions = {\n                    min: tickOpts.min,\n                    max: tickOpts.max\n                };\n                var ticks = me.ticks = Ticks.generators.logarithmic(generationOptions, me);\n\n                if (!me.isHorizontal()) {\n                    // We are in a vertical orientation. The top value is the highest. So reverse the array\n                    ticks.reverse();\n                }\n\n                // At this point, we need to update our max and min given the tick values since we have expanded the\n                // range of the scale\n                me.max = helpers.max(ticks);\n                me.min = helpers.min(ticks);\n\n                if (tickOpts.reverse) {\n                    ticks.reverse();\n\n                    me.start = me.max;\n                    me.end = me.min;\n                } else {\n                    me.start = me.min;\n                    me.end = me.max;\n                }\n            },\n            convertTicksToLabels: function() {\n                this.tickValues = this.ticks.slice();\n\n                Chart.Scale.prototype.convertTicksToLabels.call(this);\n            },\n            // Get the correct tooltip label\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.tickValues[index]);\n            },\n            getPixelForValue: function(value) {\n                var me = this;\n                var start = me.start;\n                var newVal = +me.getRightValue(value);\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var innerDimension, pixel, range;\n\n                if (me.isHorizontal()) {\n                    range = helpers.log10(me.end) - helpers.log10(start); // todo: if start === 0\n                    if (newVal === 0) {\n                        pixel = me.left;\n                    } else {\n                        innerDimension = me.width;\n                        pixel = me.left + (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n                    }\n                } else {\n                    // Bottom - top since pixels increase downward on a screen\n                    innerDimension = me.height;\n                    if (start === 0 && !tickOpts.reverse) {\n                        range = helpers.log10(me.end) - helpers.log10(me.minNotZero);\n                        if (newVal === start) {\n                            pixel = me.bottom;\n                        } else if (newVal === me.minNotZero) {\n                            pixel = me.bottom - innerDimension * 0.02;\n                        } else {\n                            pixel = me.bottom - innerDimension * 0.02 - (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n                        }\n                    } else if (me.end === 0 && tickOpts.reverse) {\n                        range = helpers.log10(me.start) - helpers.log10(me.minNotZero);\n                        if (newVal === me.end) {\n                            pixel = me.top;\n                        } else if (newVal === me.minNotZero) {\n                            pixel = me.top + innerDimension * 0.02;\n                        } else {\n                            pixel = me.top + innerDimension * 0.02 + (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n                        }\n                    } else if (newVal === 0) {\n                        pixel = tickOpts.reverse ? me.top : me.bottom;\n                    } else {\n                        range = helpers.log10(me.end) - helpers.log10(start);\n                        innerDimension = me.height;\n                        pixel = me.bottom - (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n                    }\n                }\n                return pixel;\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var range = helpers.log10(me.end) - helpers.log10(me.start);\n                var value, innerDimension;\n\n                if (me.isHorizontal()) {\n                    innerDimension = me.width;\n                    value = me.start * Math.pow(10, (pixel - me.left) * range / innerDimension);\n                } else { // todo: if start === 0\n                    innerDimension = me.height;\n                    value = Math.pow(10, (me.bottom - pixel) * range / innerDimension) / me.start;\n                }\n                return value;\n            }\n        });\n        Chart.scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig);\n\n    };\n\n},{\"34\":34,\"45\":45}],56:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var globalDefaults = defaults.global;\n\n        var defaultConfig = {\n            display: true,\n\n            // Boolean - Whether to animate scaling the chart from the centre\n            animate: true,\n            position: 'chartArea',\n\n            angleLines: {\n                display: true,\n                color: 'rgba(0, 0, 0, 0.1)',\n                lineWidth: 1\n            },\n\n            gridLines: {\n                circular: false\n            },\n\n            // label settings\n            ticks: {\n                // Boolean - Show a backdrop to the scale label\n                showLabelBackdrop: true,\n\n                // String - The colour of the label backdrop\n                backdropColor: 'rgba(255,255,255,0.75)',\n\n                // Number - The backdrop padding above & below the label in pixels\n                backdropPaddingY: 2,\n\n                // Number - The backdrop padding to the side of the label in pixels\n                backdropPaddingX: 2,\n\n                callback: Ticks.formatters.linear\n            },\n\n            pointLabels: {\n                // Boolean - if true, show point labels\n                display: true,\n\n                // Number - Point label font size in pixels\n                fontSize: 10,\n\n                // Function - Used to convert point labels\n                callback: function(label) {\n                    return label;\n                }\n            }\n        };\n\n        function getValueCount(scale) {\n            var opts = scale.options;\n            return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0;\n        }\n\n        function getPointLabelFontOptions(scale) {\n            var pointLabelOptions = scale.options.pointLabels;\n            var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize);\n            var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle);\n            var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily);\n            var font = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n            return {\n                size: fontSize,\n                style: fontStyle,\n                family: fontFamily,\n                font: font\n            };\n        }\n\n        function measureLabelSize(ctx, fontSize, label) {\n            if (helpers.isArray(label)) {\n                return {\n                    w: helpers.longestText(ctx, ctx.font, label),\n                    h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize)\n                };\n            }\n\n            return {\n                w: ctx.measureText(label).width,\n                h: fontSize\n            };\n        }\n\n        function determineLimits(angle, pos, size, min, max) {\n            if (angle === min || angle === max) {\n                return {\n                    start: pos - (size / 2),\n                    end: pos + (size / 2)\n                };\n            } else if (angle < min || angle > max) {\n                return {\n                    start: pos - size - 5,\n                    end: pos\n                };\n            }\n\n            return {\n                start: pos,\n                end: pos + size + 5\n            };\n        }\n\n        /**\n         * Helper function to fit a radial linear scale with point labels\n         */\n        function fitWithPointLabels(scale) {\n\t\t\t/*\n\t\t\t * Right, this is really confusing and there is a lot of maths going on here\n\t\t\t * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9\n\t\t\t *\n\t\t\t * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif\n\t\t\t *\n\t\t\t * Solution:\n\t\t\t *\n\t\t\t * We assume the radius of the polygon is half the size of the canvas at first\n\t\t\t * at each index we check if the text overlaps.\n\t\t\t *\n\t\t\t * Where it does, we store that angle and that index.\n\t\t\t *\n\t\t\t * After finding the largest index and angle we calculate how much we need to remove\n\t\t\t * from the shape radius to move the point inwards by that x.\n\t\t\t *\n\t\t\t * We average the left and right distances to get the maximum shape radius that can fit in the box\n\t\t\t * along with labels.\n\t\t\t *\n\t\t\t * Once we have that, we can find the centre point for the chart, by taking the x text protrusion\n\t\t\t * on each side, removing that from the size, halving it and adding the left x protrusion width.\n\t\t\t *\n\t\t\t * This will mean we have a shape fitted to the canvas, as large as it can be with the labels\n\t\t\t * and position it in the most space efficient manner\n\t\t\t *\n\t\t\t * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif\n\t\t\t */\n\n            var plFont = getPointLabelFontOptions(scale);\n\n            // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.\n            // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points\n            var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n            var furthestLimits = {\n                r: scale.width,\n                l: 0,\n                t: scale.height,\n                b: 0\n            };\n            var furthestAngles = {};\n            var i, textSize, pointPosition;\n\n            scale.ctx.font = plFont.font;\n            scale._pointLabelSizes = [];\n\n            var valueCount = getValueCount(scale);\n            for (i = 0; i < valueCount; i++) {\n                pointPosition = scale.getPointPosition(i, largestPossibleRadius);\n                textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || '');\n                scale._pointLabelSizes[i] = textSize;\n\n                // Add quarter circle to make degree 0 mean top of circle\n                var angleRadians = scale.getIndexAngle(i);\n                var angle = helpers.toDegrees(angleRadians) % 360;\n                var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n                var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n\n                if (hLimits.start < furthestLimits.l) {\n                    furthestLimits.l = hLimits.start;\n                    furthestAngles.l = angleRadians;\n                }\n\n                if (hLimits.end > furthestLimits.r) {\n                    furthestLimits.r = hLimits.end;\n                    furthestAngles.r = angleRadians;\n                }\n\n                if (vLimits.start < furthestLimits.t) {\n                    furthestLimits.t = vLimits.start;\n                    furthestAngles.t = angleRadians;\n                }\n\n                if (vLimits.end > furthestLimits.b) {\n                    furthestLimits.b = vLimits.end;\n                    furthestAngles.b = angleRadians;\n                }\n            }\n\n            scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles);\n        }\n\n        /**\n         * Helper function to fit a radial linear scale with no point labels\n         */\n        function fit(scale) {\n            var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n            scale.drawingArea = Math.round(largestPossibleRadius);\n            scale.setCenterPoint(0, 0, 0, 0);\n        }\n\n        function getTextAlignForAngle(angle) {\n            if (angle === 0 || angle === 180) {\n                return 'center';\n            } else if (angle < 180) {\n                return 'left';\n            }\n\n            return 'right';\n        }\n\n        function fillText(ctx, text, position, fontSize) {\n            if (helpers.isArray(text)) {\n                var y = position.y;\n                var spacing = 1.5 * fontSize;\n\n                for (var i = 0; i < text.length; ++i) {\n                    ctx.fillText(text[i], position.x, y);\n                    y += spacing;\n                }\n            } else {\n                ctx.fillText(text, position.x, position.y);\n            }\n        }\n\n        function adjustPointPositionForLabelHeight(angle, textSize, position) {\n            if (angle === 90 || angle === 270) {\n                position.y -= (textSize.h / 2);\n            } else if (angle > 270 || angle < 90) {\n                position.y -= textSize.h;\n            }\n        }\n\n        function drawPointLabels(scale) {\n            var ctx = scale.ctx;\n            var valueOrDefault = helpers.valueOrDefault;\n            var opts = scale.options;\n            var angleLineOpts = opts.angleLines;\n            var pointLabelOpts = opts.pointLabels;\n\n            ctx.lineWidth = angleLineOpts.lineWidth;\n            ctx.strokeStyle = angleLineOpts.color;\n\n            var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);\n\n            // Point Label Font\n            var plFont = getPointLabelFontOptions(scale);\n\n            ctx.textBaseline = 'top';\n\n            for (var i = getValueCount(scale) - 1; i >= 0; i--) {\n                if (angleLineOpts.display) {\n                    var outerPosition = scale.getPointPosition(i, outerDistance);\n                    ctx.beginPath();\n                    ctx.moveTo(scale.xCenter, scale.yCenter);\n                    ctx.lineTo(outerPosition.x, outerPosition.y);\n                    ctx.stroke();\n                    ctx.closePath();\n                }\n\n                if (pointLabelOpts.display) {\n                    // Extra 3px out for some label spacing\n                    var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5);\n\n                    // Keep this in loop since we may support array properties here\n                    var pointLabelFontColor = valueOrDefault(pointLabelOpts.fontColor, globalDefaults.defaultFontColor);\n                    ctx.font = plFont.font;\n                    ctx.fillStyle = pointLabelFontColor;\n\n                    var angleRadians = scale.getIndexAngle(i);\n                    var angle = helpers.toDegrees(angleRadians);\n                    ctx.textAlign = getTextAlignForAngle(angle);\n                    adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);\n                    fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size);\n                }\n            }\n        }\n\n        function drawRadiusLine(scale, gridLineOpts, radius, index) {\n            var ctx = scale.ctx;\n            ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1);\n            ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1);\n\n            if (scale.options.gridLines.circular) {\n                // Draw circular arcs between the points\n                ctx.beginPath();\n                ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);\n                ctx.closePath();\n                ctx.stroke();\n            } else {\n                // Draw straight lines connecting each index\n                var valueCount = getValueCount(scale);\n\n                if (valueCount === 0) {\n                    return;\n                }\n\n                ctx.beginPath();\n                var pointPosition = scale.getPointPosition(0, radius);\n                ctx.moveTo(pointPosition.x, pointPosition.y);\n\n                for (var i = 1; i < valueCount; i++) {\n                    pointPosition = scale.getPointPosition(i, radius);\n                    ctx.lineTo(pointPosition.x, pointPosition.y);\n                }\n\n                ctx.closePath();\n                ctx.stroke();\n            }\n        }\n\n        function numberOrZero(param) {\n            return helpers.isNumber(param) ? param : 0;\n        }\n\n        var LinearRadialScale = Chart.LinearScaleBase.extend({\n            setDimensions: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                // Set the unconstrained dimension before label rotation\n                me.width = me.maxWidth;\n                me.height = me.maxHeight;\n                me.xCenter = Math.round(me.width / 2);\n                me.yCenter = Math.round(me.height / 2);\n\n                var minSize = helpers.min([me.height, me.width]);\n                var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2);\n            },\n            determineDataLimits: function() {\n                var me = this;\n                var chart = me.chart;\n                var min = Number.POSITIVE_INFINITY;\n                var max = Number.NEGATIVE_INFINITY;\n\n                helpers.each(chart.data.datasets, function(dataset, datasetIndex) {\n                    if (chart.isDatasetVisible(datasetIndex)) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n\n                        helpers.each(dataset.data, function(rawValue, index) {\n                            var value = +me.getRightValue(rawValue);\n                            if (isNaN(value) || meta.data[index].hidden) {\n                                return;\n                            }\n\n                            min = Math.min(value, min);\n                            max = Math.max(value, max);\n                        });\n                    }\n                });\n\n                me.min = (min === Number.POSITIVE_INFINITY ? 0 : min);\n                me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);\n\n                // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n                me.handleTickRangeOptions();\n            },\n            getTickLimit: function() {\n                var tickOpts = this.options.ticks;\n                var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize)));\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n\n                Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me);\n\n                // Point labels\n                me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me);\n            },\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            fit: function() {\n                if (this.options.pointLabels.display) {\n                    fitWithPointLabels(this);\n                } else {\n                    fit(this);\n                }\n            },\n            /**\n             * Set radius reductions and determine new radius and center point\n             * @private\n             */\n            setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {\n                var me = this;\n                var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);\n                var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);\n                var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);\n                var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b);\n\n                radiusReductionLeft = numberOrZero(radiusReductionLeft);\n                radiusReductionRight = numberOrZero(radiusReductionRight);\n                radiusReductionTop = numberOrZero(radiusReductionTop);\n                radiusReductionBottom = numberOrZero(radiusReductionBottom);\n\n                me.drawingArea = Math.min(\n                    Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),\n                    Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));\n                me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);\n            },\n            setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {\n                var me = this;\n                var maxRight = me.width - rightMovement - me.drawingArea;\n                var maxLeft = leftMovement + me.drawingArea;\n                var maxTop = topMovement + me.drawingArea;\n                var maxBottom = me.height - bottomMovement - me.drawingArea;\n\n                me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left);\n                me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top);\n            },\n\n            getIndexAngle: function(index) {\n                var angleMultiplier = (Math.PI * 2) / getValueCount(this);\n                var startAngle = this.chart.options && this.chart.options.startAngle ?\n                    this.chart.options.startAngle :\n                    0;\n\n                var startAngleRadians = startAngle * Math.PI * 2 / 360;\n\n                // Start from the top instead of right, so remove a quarter of the circle\n                return index * angleMultiplier + startAngleRadians;\n            },\n            getDistanceFromCenterForValue: function(value) {\n                var me = this;\n\n                if (value === null) {\n                    return 0; // null always in center\n                }\n\n                // Take into account half font size + the yPadding of the top value\n                var scalingFactor = me.drawingArea / (me.max - me.min);\n                if (me.options.ticks.reverse) {\n                    return (me.max - value) * scalingFactor;\n                }\n                return (value - me.min) * scalingFactor;\n            },\n            getPointPosition: function(index, distanceFromCenter) {\n                var me = this;\n                var thisAngle = me.getIndexAngle(index) - (Math.PI / 2);\n                return {\n                    x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter,\n                    y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter\n                };\n            },\n            getPointPositionForValue: function(index, value) {\n                return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n            },\n\n            getBasePosition: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n\n                return me.getPointPositionForValue(0,\n                    me.beginAtZero ? 0 :\n                        min < 0 && max < 0 ? max :\n                            min > 0 && max > 0 ? min :\n                                0);\n            },\n\n            draw: function() {\n                var me = this;\n                var opts = me.options;\n                var gridLineOpts = opts.gridLines;\n                var tickOpts = opts.ticks;\n                var valueOrDefault = helpers.valueOrDefault;\n\n                if (opts.display) {\n                    var ctx = me.ctx;\n                    var startAngle = this.getIndexAngle(0);\n\n                    // Tick Font\n                    var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                    var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle);\n                    var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily);\n                    var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);\n\n                    helpers.each(me.ticks, function(label, index) {\n                        // Don't draw a centre value (if it is minimum)\n                        if (index > 0 || tickOpts.reverse) {\n                            var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);\n\n                            // Draw circular lines around the scale\n                            if (gridLineOpts.display && index !== 0) {\n                                drawRadiusLine(me, gridLineOpts, yCenterOffset, index);\n                            }\n\n                            if (tickOpts.display) {\n                                var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor);\n                                ctx.font = tickLabelFont;\n\n                                ctx.save();\n                                ctx.translate(me.xCenter, me.yCenter);\n                                ctx.rotate(startAngle);\n\n                                if (tickOpts.showLabelBackdrop) {\n                                    var labelWidth = ctx.measureText(label).width;\n                                    ctx.fillStyle = tickOpts.backdropColor;\n                                    ctx.fillRect(\n                                        -labelWidth / 2 - tickOpts.backdropPaddingX,\n                                        -yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY,\n                                        labelWidth + tickOpts.backdropPaddingX * 2,\n                                        tickFontSize + tickOpts.backdropPaddingY * 2\n                                    );\n                                }\n\n                                ctx.textAlign = 'center';\n                                ctx.textBaseline = 'middle';\n                                ctx.fillStyle = tickFontColor;\n                                ctx.fillText(label, 0, -yCenterOffset);\n                                ctx.restore();\n                            }\n                        }\n                    });\n\n                    if (opts.angleLines.display || opts.pointLabels.display) {\n                        drawPointLabels(me);\n                    }\n                }\n            }\n        });\n        Chart.scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig);\n\n    };\n\n},{\"25\":25,\"34\":34,\"45\":45}],57:[function(require,module,exports){\n\t/* global window: false */\n    'use strict';\n\n    var moment = require(6);\n    moment = typeof moment === 'function' ? moment : window.moment;\n\n    var defaults = require(25);\n    var helpers = require(45);\n\n// Integer constants are from the ES6 spec.\n    var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;\n    var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;\n\n    var INTERVALS = {\n        millisecond: {\n            major: true,\n            size: 1,\n            steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]\n        },\n        second: {\n            major: true,\n            size: 1000,\n            steps: [1, 2, 5, 10, 30]\n        },\n        minute: {\n            major: true,\n            size: 60000,\n            steps: [1, 2, 5, 10, 30]\n        },\n        hour: {\n            major: true,\n            size: 3600000,\n            steps: [1, 2, 3, 6, 12]\n        },\n        day: {\n            major: true,\n            size: 86400000,\n            steps: [1, 2, 5]\n        },\n        week: {\n            major: false,\n            size: 604800000,\n            steps: [1, 2, 3, 4]\n        },\n        month: {\n            major: true,\n            size: 2.628e9,\n            steps: [1, 2, 3]\n        },\n        quarter: {\n            major: false,\n            size: 7.884e9,\n            steps: [1, 2, 3, 4]\n        },\n        year: {\n            major: true,\n            size: 3.154e10\n        }\n    };\n\n    var UNITS = Object.keys(INTERVALS);\n\n    function sorter(a, b) {\n        return a - b;\n    }\n\n    function arrayUnique(items) {\n        var hash = {};\n        var out = [];\n        var i, ilen, item;\n\n        for (i = 0, ilen = items.length; i < ilen; ++i) {\n            item = items[i];\n            if (!hash[item]) {\n                hash[item] = true;\n                out.push(item);\n            }\n        }\n\n        return out;\n    }\n\n    /**\n     * Returns an array of {time, pos} objects used to interpolate a specific `time` or position\n     * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is\n     * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other\n     * extremity (left + width or top + height). Note that it would be more optimized to directly\n     * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need\n     * to create the lookup table. The table ALWAYS contains at least two items: min and max.\n     *\n     * @param {Number[]} timestamps - timestamps sorted from lowest to highest.\n     * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min\n     * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.\n     * If 'series', timestamps will be positioned at the same distance from each other. In this\n     * case, only timestamps that break the time linearity are registered, meaning that in the\n     * best case, all timestamps are linear, the table contains only min and max.\n     */\n    function buildLookupTable(timestamps, min, max, distribution) {\n        if (distribution === 'linear' || !timestamps.length) {\n            return [\n                {time: min, pos: 0},\n                {time: max, pos: 1}\n            ];\n        }\n\n        var table = [];\n        var items = [min];\n        var i, ilen, prev, curr, next;\n\n        for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n            curr = timestamps[i];\n            if (curr > min && curr < max) {\n                items.push(curr);\n            }\n        }\n\n        items.push(max);\n\n        for (i = 0, ilen = items.length; i < ilen; ++i) {\n            next = items[i + 1];\n            prev = items[i - 1];\n            curr = items[i];\n\n            // only add points that breaks the scale linearity\n            if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {\n                table.push({time: curr, pos: i / (ilen - 1)});\n            }\n        }\n\n        return table;\n    }\n\n// @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/\n    function lookup(table, key, value) {\n        var lo = 0;\n        var hi = table.length - 1;\n        var mid, i0, i1;\n\n        while (lo >= 0 && lo <= hi) {\n            mid = (lo + hi) >> 1;\n            i0 = table[mid - 1] || null;\n            i1 = table[mid];\n\n            if (!i0) {\n                // given value is outside table (before first item)\n                return {lo: null, hi: i1};\n            } else if (i1[key] < value) {\n                lo = mid + 1;\n            } else if (i0[key] > value) {\n                hi = mid - 1;\n            } else {\n                return {lo: i0, hi: i1};\n            }\n        }\n\n        // given value is outside table (after last item)\n        return {lo: i1, hi: null};\n    }\n\n    /**\n     * Linearly interpolates the given source `value` using the table items `skey` values and\n     * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')\n     * returns the position for a timestamp equal to 42. If value is out of bounds, values at\n     * index [0, 1] or [n - 1, n] are used for the interpolation.\n     */\n    function interpolate(table, skey, sval, tkey) {\n        var range = lookup(table, skey, sval);\n\n        // Note: the lookup table ALWAYS contains at least 2 items (min and max)\n        var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;\n        var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;\n\n        var span = next[skey] - prev[skey];\n        var ratio = span ? (sval - prev[skey]) / span : 0;\n        var offset = (next[tkey] - prev[tkey]) * ratio;\n\n        return prev[tkey] + offset;\n    }\n\n    /**\n     * Convert the given value to a moment object using the given time options.\n     * @see http://momentjs.com/docs/#/parsing/\n     */\n    function momentify(value, options) {\n        var parser = options.parser;\n        var format = options.parser || options.format;\n\n        if (typeof parser === 'function') {\n            return parser(value);\n        }\n\n        if (typeof value === 'string' && typeof format === 'string') {\n            return moment(value, format);\n        }\n\n        if (!(value instanceof moment)) {\n            value = moment(value);\n        }\n\n        if (value.isValid()) {\n            return value;\n        }\n\n        // Labels are in an incompatible moment format and no `parser` has been provided.\n        // The user might still use the deprecated `format` option to convert his inputs.\n        if (typeof format === 'function') {\n            return format(value);\n        }\n\n        return value;\n    }\n\n    function parse(input, scale) {\n        if (helpers.isNullOrUndef(input)) {\n            return null;\n        }\n\n        var options = scale.options.time;\n        var value = momentify(scale.getRightValue(input), options);\n        if (!value.isValid()) {\n            return null;\n        }\n\n        if (options.round) {\n            value.startOf(options.round);\n        }\n\n        return value.valueOf();\n    }\n\n    /**\n     * Returns the number of unit to skip to be able to display up to `capacity` number of ticks\n     * in `unit` for the given `min` / `max` range and respecting the interval steps constraints.\n     */\n    function determineStepSize(min, max, unit, capacity) {\n        var range = max - min;\n        var interval = INTERVALS[unit];\n        var milliseconds = interval.size;\n        var steps = interval.steps;\n        var i, ilen, factor;\n\n        if (!steps) {\n            return Math.ceil(range / ((capacity || 1) * milliseconds));\n        }\n\n        for (i = 0, ilen = steps.length; i < ilen; ++i) {\n            factor = steps[i];\n            if (Math.ceil(range / (milliseconds * factor)) <= capacity) {\n                break;\n            }\n        }\n\n        return factor;\n    }\n\n    function determineUnit(minUnit, min, max, capacity) {\n        var ilen = UNITS.length;\n        var i, interval, factor;\n\n        for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n            interval = INTERVALS[UNITS[i]];\n            factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER;\n\n            if (Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\n                return UNITS[i];\n            }\n        }\n\n        return UNITS[ilen - 1];\n    }\n\n    function determineMajorUnit(unit) {\n        for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\n            if (INTERVALS[UNITS[i]].major) {\n                return UNITS[i];\n            }\n        }\n    }\n\n    /**\n     * Generates a maximum of `capacity` timestamps between min and max, rounded to the\n     * `minor` unit, aligned on the `major` unit and using the given scale time `options`.\n     * Important: this method can return ticks outside the min and max range, it's the\n     * responsibility of the calling code to clamp values if needed.\n     */\n    function generate(min, max, minor, major, capacity, options) {\n        var timeOpts = options.time;\n        var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize);\n        var weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n        var majorTicksEnabled = options.ticks.major.enabled;\n        var interval = INTERVALS[minor];\n        var first = moment(min);\n        var last = moment(max);\n        var ticks = [];\n        var time;\n\n        if (!stepSize) {\n            stepSize = determineStepSize(min, max, minor, capacity);\n        }\n\n        // For 'week' unit, handle the first day of week option\n        if (weekday) {\n            first = first.isoWeekday(weekday);\n            last = last.isoWeekday(weekday);\n        }\n\n        // Align first/last ticks on unit\n        first = first.startOf(weekday ? 'day' : minor);\n        last = last.startOf(weekday ? 'day' : minor);\n\n        // Make sure that the last tick include max\n        if (last < max) {\n            last.add(1, minor);\n        }\n\n        time = moment(first);\n\n        if (majorTicksEnabled && major && !weekday && !timeOpts.round) {\n            // Align the first tick on the previous `minor` unit aligned on the `major` unit:\n            // we first aligned time on the previous `major` unit then add the number of full\n            // stepSize there is between first and the previous major time.\n            time.startOf(major);\n            time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor);\n        }\n\n        for (; time < last; time.add(stepSize, minor)) {\n            ticks.push(+time);\n        }\n\n        ticks.push(+time);\n\n        return ticks;\n    }\n\n    /**\n     * Returns the right and left offsets from edges in the form of {left, right}.\n     * Offsets are added when the `offset` option is true.\n     */\n    function computeOffsets(table, ticks, min, max, options) {\n        var left = 0;\n        var right = 0;\n        var upper, lower;\n\n        if (options.offset && ticks.length) {\n            if (!options.time.min) {\n                upper = ticks.length > 1 ? ticks[1] : max;\n                lower = ticks[0];\n                left = (\n                        interpolate(table, 'time', upper, 'pos') -\n                        interpolate(table, 'time', lower, 'pos')\n                    ) / 2;\n            }\n            if (!options.time.max) {\n                upper = ticks[ticks.length - 1];\n                lower = ticks.length > 1 ? ticks[ticks.length - 2] : min;\n                right = (\n                        interpolate(table, 'time', upper, 'pos') -\n                        interpolate(table, 'time', lower, 'pos')\n                    ) / 2;\n            }\n        }\n\n        return {left: left, right: right};\n    }\n\n    function ticksFromTimestamps(values, majorUnit) {\n        var ticks = [];\n        var i, ilen, value, major;\n\n        for (i = 0, ilen = values.length; i < ilen; ++i) {\n            value = values[i];\n            major = majorUnit ? value === +moment(value).startOf(majorUnit) : false;\n\n            ticks.push({\n                value: value,\n                major: major\n            });\n        }\n\n        return ticks;\n    }\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'bottom',\n\n            /**\n             * Data distribution along the scale:\n             * - 'linear': data are spread according to their time (distances can vary),\n             * - 'series': data are spread at the same distance from each other.\n             * @see https://github.com/chartjs/Chart.js/pull/4507\n             * @since 2.7.0\n             */\n            distribution: 'linear',\n\n            /**\n             * Scale boundary strategy (bypassed by min/max time options)\n             * - `data`: make sure data are fully visible, ticks outside are removed\n             * - `ticks`: make sure ticks are fully visible, data outside are truncated\n             * @see https://github.com/chartjs/Chart.js/pull/4556\n             * @since 2.7.0\n             */\n            bounds: 'data',\n\n            time: {\n                parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment\n                format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/\n                unit: false, // false == automatic or override with week, month, year, etc.\n                round: false, // none, or override with week, month, year, etc.\n                displayFormat: false, // DEPRECATED\n                isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/\n                minUnit: 'millisecond',\n\n                // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/\n                displayFormats: {\n                    millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM,\n                    second: 'h:mm:ss a', // 11:20:01 AM\n                    minute: 'h:mm a', // 11:20 AM\n                    hour: 'hA', // 5PM\n                    day: 'MMM D', // Sep 4\n                    week: 'll', // Week 46, or maybe \"[W]WW - YYYY\" ?\n                    month: 'MMM YYYY', // Sept 2015\n                    quarter: '[Q]Q - YYYY', // Q3\n                    year: 'YYYY' // 2015\n                },\n            },\n            ticks: {\n                autoSkip: false,\n\n                /**\n                 * Ticks generation input values:\n                 * - 'auto': generates \"optimal\" ticks based on scale size and time options.\n                 * - 'data': generates ticks from data (including labels from data {t|x|y} objects).\n                 * - 'labels': generates ticks from user given `data.labels` values ONLY.\n                 * @see https://github.com/chartjs/Chart.js/pull/4507\n                 * @since 2.7.0\n                 */\n                source: 'auto',\n\n                major: {\n                    enabled: false\n                }\n            }\n        };\n\n        var TimeScale = Chart.Scale.extend({\n            initialize: function() {\n                if (!moment) {\n                    throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com');\n                }\n\n                this.mergeTicksOptions();\n\n                Chart.Scale.prototype.initialize.call(this);\n            },\n\n            update: function() {\n                var me = this;\n                var options = me.options;\n\n                // DEPRECATIONS: output a message only one time per update\n                if (options.time && options.time.format) {\n                    console.warn('options.time.format is deprecated and replaced by options.time.parser.');\n                }\n\n                return Chart.Scale.prototype.update.apply(me, arguments);\n            },\n\n            /**\n             * Allows data to be referenced via 't' attribute\n             */\n            getRightValue: function(rawValue) {\n                if (rawValue && rawValue.t !== undefined) {\n                    rawValue = rawValue.t;\n                }\n                return Chart.Scale.prototype.getRightValue.call(this, rawValue);\n            },\n\n            determineDataLimits: function() {\n                var me = this;\n                var chart = me.chart;\n                var timeOpts = me.options.time;\n                var min = parse(timeOpts.min, me) || MAX_INTEGER;\n                var max = parse(timeOpts.max, me) || MIN_INTEGER;\n                var timestamps = [];\n                var datasets = [];\n                var labels = [];\n                var i, j, ilen, jlen, data, timestamp;\n\n                // Convert labels to timestamps\n                for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) {\n                    labels.push(parse(chart.data.labels[i], me));\n                }\n\n                // Convert data to timestamps\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    if (chart.isDatasetVisible(i)) {\n                        data = chart.data.datasets[i].data;\n\n                        // Let's consider that all data have the same format.\n                        if (helpers.isObject(data[0])) {\n                            datasets[i] = [];\n\n                            for (j = 0, jlen = data.length; j < jlen; ++j) {\n                                timestamp = parse(data[j], me);\n                                timestamps.push(timestamp);\n                                datasets[i][j] = timestamp;\n                            }\n                        } else {\n                            timestamps.push.apply(timestamps, labels);\n                            datasets[i] = labels.slice(0);\n                        }\n                    } else {\n                        datasets[i] = [];\n                    }\n                }\n\n                if (labels.length) {\n                    // Sort labels **after** data have been converted\n                    labels = arrayUnique(labels).sort(sorter);\n                    min = Math.min(min, labels[0]);\n                    max = Math.max(max, labels[labels.length - 1]);\n                }\n\n                if (timestamps.length) {\n                    timestamps = arrayUnique(timestamps).sort(sorter);\n                    min = Math.min(min, timestamps[0]);\n                    max = Math.max(max, timestamps[timestamps.length - 1]);\n                }\n\n                // In case there is no valid min/max, let's use today limits\n                min = min === MAX_INTEGER ? +moment().startOf('day') : min;\n                max = max === MIN_INTEGER ? +moment().endOf('day') + 1 : max;\n\n                // Make sure that max is strictly higher than min (required by the lookup table)\n                me.min = Math.min(min, max);\n                me.max = Math.max(min + 1, max);\n\n                // PRIVATE\n                me._horizontal = me.isHorizontal();\n                me._table = [];\n                me._timestamps = {\n                    data: timestamps,\n                    datasets: datasets,\n                    labels: labels\n                };\n            },\n\n            buildTicks: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n                var options = me.options;\n                var timeOpts = options.time;\n                var formats = timeOpts.displayFormats;\n                var capacity = me.getLabelCapacity(min);\n                var unit = timeOpts.unit || determineUnit(timeOpts.minUnit, min, max, capacity);\n                var majorUnit = determineMajorUnit(unit);\n                var timestamps = [];\n                var ticks = [];\n                var i, ilen, timestamp;\n\n                switch (options.ticks.source) {\n                    case 'data':\n                        timestamps = me._timestamps.data;\n                        break;\n                    case 'labels':\n                        timestamps = me._timestamps.labels;\n                        break;\n                    case 'auto':\n                    default:\n                        timestamps = generate(min, max, unit, majorUnit, capacity, options);\n                }\n\n                if (options.bounds === 'ticks' && timestamps.length) {\n                    min = timestamps[0];\n                    max = timestamps[timestamps.length - 1];\n                }\n\n                // Enforce limits with user min/max options\n                min = parse(timeOpts.min, me) || min;\n                max = parse(timeOpts.max, me) || max;\n\n                // Remove ticks outside the min/max range\n                for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n                    timestamp = timestamps[i];\n                    if (timestamp >= min && timestamp <= max) {\n                        ticks.push(timestamp);\n                    }\n                }\n\n                me.min = min;\n                me.max = max;\n\n                // PRIVATE\n                me._unit = unit;\n                me._majorUnit = majorUnit;\n                me._minorFormat = formats[unit];\n                me._majorFormat = formats[majorUnit];\n                me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution);\n                me._offsets = computeOffsets(me._table, ticks, min, max, options);\n\n                return ticksFromTimestamps(ticks, majorUnit);\n            },\n\n            getLabelForIndex: function(index, datasetIndex) {\n                var me = this;\n                var data = me.chart.data;\n                var timeOpts = me.options.time;\n                var label = data.labels && index < data.labels.length ? data.labels[index] : '';\n                var value = data.datasets[datasetIndex].data[index];\n\n                if (helpers.isObject(value)) {\n                    label = me.getRightValue(value);\n                }\n                if (timeOpts.tooltipFormat) {\n                    label = momentify(label, timeOpts).format(timeOpts.tooltipFormat);\n                }\n\n                return label;\n            },\n\n            /**\n             * Function to format an individual tick mark\n             * @private\n             */\n            tickFormatFunction: function(tick, index, ticks) {\n                var me = this;\n                var options = me.options;\n                var time = tick.valueOf();\n                var majorUnit = me._majorUnit;\n                var majorFormat = me._majorFormat;\n                var majorTime = tick.clone().startOf(me._majorUnit).valueOf();\n                var majorTickOpts = options.ticks.major;\n                var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime;\n                var label = tick.format(major ? majorFormat : me._minorFormat);\n                var tickOpts = major ? majorTickOpts : options.ticks.minor;\n                var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback);\n\n                return formatter ? formatter(label, index, ticks) : label;\n            },\n\n            convertTicksToLabels: function(ticks) {\n                var labels = [];\n                var i, ilen;\n\n                for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n                    labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks));\n                }\n\n                return labels;\n            },\n\n            /**\n             * @private\n             */\n            getPixelForOffset: function(time) {\n                var me = this;\n                var size = me._horizontal ? me.width : me.height;\n                var start = me._horizontal ? me.left : me.top;\n                var pos = interpolate(me._table, 'time', time, 'pos');\n\n                return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right);\n            },\n\n            getPixelForValue: function(value, index, datasetIndex) {\n                var me = this;\n                var time = null;\n\n                if (index !== undefined && datasetIndex !== undefined) {\n                    time = me._timestamps.datasets[datasetIndex][index];\n                }\n\n                if (time === null) {\n                    time = parse(value, me);\n                }\n\n                if (time !== null) {\n                    return me.getPixelForOffset(time);\n                }\n            },\n\n            getPixelForTick: function(index) {\n                var ticks = this.getTicks();\n                return index >= 0 && index < ticks.length ?\n                    this.getPixelForOffset(ticks[index].value) :\n                    null;\n            },\n\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var size = me._horizontal ? me.width : me.height;\n                var start = me._horizontal ? me.left : me.top;\n                var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right;\n                var time = interpolate(me._table, 'pos', pos, 'time');\n\n                return moment(time);\n            },\n\n            /**\n             * Crude approximation of what the label width might be\n             * @private\n             */\n            getLabelWidth: function(label) {\n                var me = this;\n                var ticksOpts = me.options.ticks;\n                var tickLabelWidth = me.ctx.measureText(label).width;\n                var angle = helpers.toRadians(ticksOpts.maxRotation);\n                var cosRotation = Math.cos(angle);\n                var sinRotation = Math.sin(angle);\n                var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize);\n\n                return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation);\n            },\n\n            /**\n             * @private\n             */\n            getLabelCapacity: function(exampleTime) {\n                var me = this;\n\n                me._minorFormat = me.options.time.displayFormats.millisecond;\t// Pick the longest format for guestimation\n\n                var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, []);\n                var tickLabelWidth = me.getLabelWidth(exampleLabel);\n                var innerWidth = me.isHorizontal() ? me.width : me.height;\n\n                return Math.floor(innerWidth / tickLabelWidth);\n            }\n        });\n\n        Chart.scaleService.registerScaleType('time', TimeScale, defaultConfig);\n    };\n\n},{\"25\":25,\"45\":45,\"6\":6}]},{},[7])(7)\n});"],"file":"chartjs-lazy.min.js"}
\ No newline at end of file
+{"version":3,"file":"chartjs-lazy.min.js","sources":["../src/chartjs-lazy.js"],"sourcesContent":["/*!\n * Chart.js\n * http://chartjs.org/\n * Version: 2.2.2\n *\n * Copyright 2016 Nick Downie\n * Released under the MIT license\n * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md\n */\n\n/**\n * Description of import into Moodle:\n *\n * - Download Chart.bundle.js from https://github.com/chartjs/Chart.js/releases.\n * - Copy Chart.bundle.js content to lib/amd/src/chartjs-lazy.js.\n * - Convert line endings to LF-Unix format.\n * - Keep these instructions to the file.\n * - Visit lib/tests/other/chartjstestpage.php to see if the library still works after the update.\n */\n\n(function(f){if(typeof exports===\"object\"&&typeof module!==\"undefined\"){module.exports=f()}else if(typeof define===\"function\"&&define.amd){define([],f)}else{var g;if(typeof window!==\"undefined\"){g=window}else if(typeof global!==\"undefined\"){g=global}else if(typeof self!==\"undefined\"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){\n\t/* MIT license */\n    var colorNames = require(5);\n\n    module.exports = {\n        getRgba: getRgba,\n        getHsla: getHsla,\n        getRgb: getRgb,\n        getHsl: getHsl,\n        getHwb: getHwb,\n        getAlpha: getAlpha,\n\n        hexString: hexString,\n        rgbString: rgbString,\n        rgbaString: rgbaString,\n        percentString: percentString,\n        percentaString: percentaString,\n        hslString: hslString,\n        hslaString: hslaString,\n        hwbString: hwbString,\n        keyword: keyword\n    }\n\n    function getRgba(string) {\n        if (!string) {\n            return;\n        }\n        var abbr =  /^#([a-fA-F0-9]{3})$/i,\n            hex =  /^#([a-fA-F0-9]{6})$/i,\n            rgba = /^rgba?\\(\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*,\\s*([+-]?\\d+)\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n            per = /^rgba?\\(\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*,\\s*([+-]?[\\d\\.]+)\\%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)$/i,\n            keyword = /(\\w+)/;\n\n        var rgb = [0, 0, 0],\n            a = 1,\n            match = string.match(abbr);\n        if (match) {\n            match = match[1];\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match[i] + match[i], 16);\n            }\n        }\n        else if (match = string.match(hex)) {\n            match = match[1];\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);\n            }\n        }\n        else if (match = string.match(rgba)) {\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = parseInt(match[i + 1]);\n            }\n            a = parseFloat(match[4]);\n        }\n        else if (match = string.match(per)) {\n            for (var i = 0; i < rgb.length; i++) {\n                rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);\n            }\n            a = parseFloat(match[4]);\n        }\n        else if (match = string.match(keyword)) {\n            if (match[1] == \"transparent\") {\n                return [0, 0, 0, 0];\n            }\n            rgb = colorNames[match[1]];\n            if (!rgb) {\n                return;\n            }\n        }\n\n        for (var i = 0; i < rgb.length; i++) {\n            rgb[i] = scale(rgb[i], 0, 255);\n        }\n        if (!a && a != 0) {\n            a = 1;\n        }\n        else {\n            a = scale(a, 0, 1);\n        }\n        rgb[3] = a;\n        return rgb;\n    }\n\n    function getHsla(string) {\n        if (!string) {\n            return;\n        }\n        var hsl = /^hsla?\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n        var match = string.match(hsl);\n        if (match) {\n            var alpha = parseFloat(match[4]);\n            var h = scale(parseInt(match[1]), 0, 360),\n                s = scale(parseFloat(match[2]), 0, 100),\n                l = scale(parseFloat(match[3]), 0, 100),\n                a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n            return [h, s, l, a];\n        }\n    }\n\n    function getHwb(string) {\n        if (!string) {\n            return;\n        }\n        var hwb = /^hwb\\(\\s*([+-]?\\d+)(?:deg)?\\s*,\\s*([+-]?[\\d\\.]+)%\\s*,\\s*([+-]?[\\d\\.]+)%\\s*(?:,\\s*([+-]?[\\d\\.]+)\\s*)?\\)/;\n        var match = string.match(hwb);\n        if (match) {\n            var alpha = parseFloat(match[4]);\n            var h = scale(parseInt(match[1]), 0, 360),\n                w = scale(parseFloat(match[2]), 0, 100),\n                b = scale(parseFloat(match[3]), 0, 100),\n                a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);\n            return [h, w, b, a];\n        }\n    }\n\n    function getRgb(string) {\n        var rgba = getRgba(string);\n        return rgba && rgba.slice(0, 3);\n    }\n\n    function getHsl(string) {\n        var hsla = getHsla(string);\n        return hsla && hsla.slice(0, 3);\n    }\n\n    function getAlpha(string) {\n        var vals = getRgba(string);\n        if (vals) {\n            return vals[3];\n        }\n        else if (vals = getHsla(string)) {\n            return vals[3];\n        }\n        else if (vals = getHwb(string)) {\n            return vals[3];\n        }\n    }\n\n// generators\n    function hexString(rgb) {\n        return \"#\" + hexDouble(rgb[0]) + hexDouble(rgb[1])\n            + hexDouble(rgb[2]);\n    }\n\n    function rgbString(rgba, alpha) {\n        if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n            return rgbaString(rgba, alpha);\n        }\n        return \"rgb(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2] + \")\";\n    }\n\n    function rgbaString(rgba, alpha) {\n        if (alpha === undefined) {\n            alpha = (rgba[3] !== undefined ? rgba[3] : 1);\n        }\n        return \"rgba(\" + rgba[0] + \", \" + rgba[1] + \", \" + rgba[2]\n            + \", \" + alpha + \")\";\n    }\n\n    function percentString(rgba, alpha) {\n        if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {\n            return percentaString(rgba, alpha);\n        }\n        var r = Math.round(rgba[0]/255 * 100),\n            g = Math.round(rgba[1]/255 * 100),\n            b = Math.round(rgba[2]/255 * 100);\n\n        return \"rgb(\" + r + \"%, \" + g + \"%, \" + b + \"%)\";\n    }\n\n    function percentaString(rgba, alpha) {\n        var r = Math.round(rgba[0]/255 * 100),\n            g = Math.round(rgba[1]/255 * 100),\n            b = Math.round(rgba[2]/255 * 100);\n        return \"rgba(\" + r + \"%, \" + g + \"%, \" + b + \"%, \" + (alpha || rgba[3] || 1) + \")\";\n    }\n\n    function hslString(hsla, alpha) {\n        if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {\n            return hslaString(hsla, alpha);\n        }\n        return \"hsl(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%)\";\n    }\n\n    function hslaString(hsla, alpha) {\n        if (alpha === undefined) {\n            alpha = (hsla[3] !== undefined ? hsla[3] : 1);\n        }\n        return \"hsla(\" + hsla[0] + \", \" + hsla[1] + \"%, \" + hsla[2] + \"%, \"\n            + alpha + \")\";\n    }\n\n// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax\n// (hwb have alpha optional & 1 is default value)\n    function hwbString(hwb, alpha) {\n        if (alpha === undefined) {\n            alpha = (hwb[3] !== undefined ? hwb[3] : 1);\n        }\n        return \"hwb(\" + hwb[0] + \", \" + hwb[1] + \"%, \" + hwb[2] + \"%\"\n            + (alpha !== undefined && alpha !== 1 ? \", \" + alpha : \"\") + \")\";\n    }\n\n    function keyword(rgb) {\n        return reverseNames[rgb.slice(0, 3)];\n    }\n\n// helpers\n    function scale(num, min, max) {\n        return Math.min(Math.max(min, num), max);\n    }\n\n    function hexDouble(num) {\n        var str = num.toString(16).toUpperCase();\n        return (str.length < 2) ? \"0\" + str : str;\n    }\n\n\n//create a list of reverse color names\n    var reverseNames = {};\n    for (var name in colorNames) {\n        reverseNames[colorNames[name]] = name;\n    }\n\n},{\"5\":5}],2:[function(require,module,exports){\n\t/* MIT license */\n    var convert = require(4);\n    var string = require(1);\n\n    var Color = function (obj) {\n        if (obj instanceof Color) {\n            return obj;\n        }\n        if (!(this instanceof Color)) {\n            return new Color(obj);\n        }\n\n        this.valid = false;\n        this.values = {\n            rgb: [0, 0, 0],\n            hsl: [0, 0, 0],\n            hsv: [0, 0, 0],\n            hwb: [0, 0, 0],\n            cmyk: [0, 0, 0, 0],\n            alpha: 1\n        };\n\n        // parse Color() argument\n        var vals;\n        if (typeof obj === 'string') {\n            vals = string.getRgba(obj);\n            if (vals) {\n                this.setValues('rgb', vals);\n            } else if (vals = string.getHsla(obj)) {\n                this.setValues('hsl', vals);\n            } else if (vals = string.getHwb(obj)) {\n                this.setValues('hwb', vals);\n            }\n        } else if (typeof obj === 'object') {\n            vals = obj;\n            if (vals.r !== undefined || vals.red !== undefined) {\n                this.setValues('rgb', vals);\n            } else if (vals.l !== undefined || vals.lightness !== undefined) {\n                this.setValues('hsl', vals);\n            } else if (vals.v !== undefined || vals.value !== undefined) {\n                this.setValues('hsv', vals);\n            } else if (vals.w !== undefined || vals.whiteness !== undefined) {\n                this.setValues('hwb', vals);\n            } else if (vals.c !== undefined || vals.cyan !== undefined) {\n                this.setValues('cmyk', vals);\n            }\n        }\n    };\n\n    Color.prototype = {\n        isValid: function () {\n            return this.valid;\n        },\n        rgb: function () {\n            return this.setSpace('rgb', arguments);\n        },\n        hsl: function () {\n            return this.setSpace('hsl', arguments);\n        },\n        hsv: function () {\n            return this.setSpace('hsv', arguments);\n        },\n        hwb: function () {\n            return this.setSpace('hwb', arguments);\n        },\n        cmyk: function () {\n            return this.setSpace('cmyk', arguments);\n        },\n\n        rgbArray: function () {\n            return this.values.rgb;\n        },\n        hslArray: function () {\n            return this.values.hsl;\n        },\n        hsvArray: function () {\n            return this.values.hsv;\n        },\n        hwbArray: function () {\n            var values = this.values;\n            if (values.alpha !== 1) {\n                return values.hwb.concat([values.alpha]);\n            }\n            return values.hwb;\n        },\n        cmykArray: function () {\n            return this.values.cmyk;\n        },\n        rgbaArray: function () {\n            var values = this.values;\n            return values.rgb.concat([values.alpha]);\n        },\n        hslaArray: function () {\n            var values = this.values;\n            return values.hsl.concat([values.alpha]);\n        },\n        alpha: function (val) {\n            if (val === undefined) {\n                return this.values.alpha;\n            }\n            this.setValues('alpha', val);\n            return this;\n        },\n\n        red: function (val) {\n            return this.setChannel('rgb', 0, val);\n        },\n        green: function (val) {\n            return this.setChannel('rgb', 1, val);\n        },\n        blue: function (val) {\n            return this.setChannel('rgb', 2, val);\n        },\n        hue: function (val) {\n            if (val) {\n                val %= 360;\n                val = val < 0 ? 360 + val : val;\n            }\n            return this.setChannel('hsl', 0, val);\n        },\n        saturation: function (val) {\n            return this.setChannel('hsl', 1, val);\n        },\n        lightness: function (val) {\n            return this.setChannel('hsl', 2, val);\n        },\n        saturationv: function (val) {\n            return this.setChannel('hsv', 1, val);\n        },\n        whiteness: function (val) {\n            return this.setChannel('hwb', 1, val);\n        },\n        blackness: function (val) {\n            return this.setChannel('hwb', 2, val);\n        },\n        value: function (val) {\n            return this.setChannel('hsv', 2, val);\n        },\n        cyan: function (val) {\n            return this.setChannel('cmyk', 0, val);\n        },\n        magenta: function (val) {\n            return this.setChannel('cmyk', 1, val);\n        },\n        yellow: function (val) {\n            return this.setChannel('cmyk', 2, val);\n        },\n        black: function (val) {\n            return this.setChannel('cmyk', 3, val);\n        },\n\n        hexString: function () {\n            return string.hexString(this.values.rgb);\n        },\n        rgbString: function () {\n            return string.rgbString(this.values.rgb, this.values.alpha);\n        },\n        rgbaString: function () {\n            return string.rgbaString(this.values.rgb, this.values.alpha);\n        },\n        percentString: function () {\n            return string.percentString(this.values.rgb, this.values.alpha);\n        },\n        hslString: function () {\n            return string.hslString(this.values.hsl, this.values.alpha);\n        },\n        hslaString: function () {\n            return string.hslaString(this.values.hsl, this.values.alpha);\n        },\n        hwbString: function () {\n            return string.hwbString(this.values.hwb, this.values.alpha);\n        },\n        keyword: function () {\n            return string.keyword(this.values.rgb, this.values.alpha);\n        },\n\n        rgbNumber: function () {\n            var rgb = this.values.rgb;\n            return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];\n        },\n\n        luminosity: function () {\n            // http://www.w3.org/TR/WCAG20/#relativeluminancedef\n            var rgb = this.values.rgb;\n            var lum = [];\n            for (var i = 0; i < rgb.length; i++) {\n                var chan = rgb[i] / 255;\n                lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);\n            }\n            return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];\n        },\n\n        contrast: function (color2) {\n            // http://www.w3.org/TR/WCAG20/#contrast-ratiodef\n            var lum1 = this.luminosity();\n            var lum2 = color2.luminosity();\n            if (lum1 > lum2) {\n                return (lum1 + 0.05) / (lum2 + 0.05);\n            }\n            return (lum2 + 0.05) / (lum1 + 0.05);\n        },\n\n        level: function (color2) {\n            var contrastRatio = this.contrast(color2);\n            if (contrastRatio >= 7.1) {\n                return 'AAA';\n            }\n\n            return (contrastRatio >= 4.5) ? 'AA' : '';\n        },\n\n        dark: function () {\n            // YIQ equation from http://24ways.org/2010/calculating-color-contrast\n            var rgb = this.values.rgb;\n            var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;\n            return yiq < 128;\n        },\n\n        light: function () {\n            return !this.dark();\n        },\n\n        negate: function () {\n            var rgb = [];\n            for (var i = 0; i < 3; i++) {\n                rgb[i] = 255 - this.values.rgb[i];\n            }\n            this.setValues('rgb', rgb);\n            return this;\n        },\n\n        lighten: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[2] += hsl[2] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        darken: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[2] -= hsl[2] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        saturate: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[1] += hsl[1] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        desaturate: function (ratio) {\n            var hsl = this.values.hsl;\n            hsl[1] -= hsl[1] * ratio;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        whiten: function (ratio) {\n            var hwb = this.values.hwb;\n            hwb[1] += hwb[1] * ratio;\n            this.setValues('hwb', hwb);\n            return this;\n        },\n\n        blacken: function (ratio) {\n            var hwb = this.values.hwb;\n            hwb[2] += hwb[2] * ratio;\n            this.setValues('hwb', hwb);\n            return this;\n        },\n\n        greyscale: function () {\n            var rgb = this.values.rgb;\n            // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale\n            var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;\n            this.setValues('rgb', [val, val, val]);\n            return this;\n        },\n\n        clearer: function (ratio) {\n            var alpha = this.values.alpha;\n            this.setValues('alpha', alpha - (alpha * ratio));\n            return this;\n        },\n\n        opaquer: function (ratio) {\n            var alpha = this.values.alpha;\n            this.setValues('alpha', alpha + (alpha * ratio));\n            return this;\n        },\n\n        rotate: function (degrees) {\n            var hsl = this.values.hsl;\n            var hue = (hsl[0] + degrees) % 360;\n            hsl[0] = hue < 0 ? 360 + hue : hue;\n            this.setValues('hsl', hsl);\n            return this;\n        },\n\n        /**\n         * Ported from sass implementation in C\n         * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209\n         */\n        mix: function (mixinColor, weight) {\n            var color1 = this;\n            var color2 = mixinColor;\n            var p = weight === undefined ? 0.5 : weight;\n\n            var w = 2 * p - 1;\n            var a = color1.alpha() - color2.alpha();\n\n            var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;\n            var w2 = 1 - w1;\n\n            return this\n                .rgb(\n                    w1 * color1.red() + w2 * color2.red(),\n                    w1 * color1.green() + w2 * color2.green(),\n                    w1 * color1.blue() + w2 * color2.blue()\n                )\n                .alpha(color1.alpha() * p + color2.alpha() * (1 - p));\n        },\n\n        toJSON: function () {\n            return this.rgb();\n        },\n\n        clone: function () {\n            // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,\n            // making the final build way to big to embed in Chart.js. So let's do it manually,\n            // assuming that values to clone are 1 dimension arrays containing only numbers,\n            // except 'alpha' which is a number.\n            var result = new Color();\n            var source = this.values;\n            var target = result.values;\n            var value, type;\n\n            for (var prop in source) {\n                if (source.hasOwnProperty(prop)) {\n                    value = source[prop];\n                    type = ({}).toString.call(value);\n                    if (type === '[object Array]') {\n                        target[prop] = value.slice(0);\n                    } else if (type === '[object Number]') {\n                        target[prop] = value;\n                    } else {\n                        console.error('unexpected color value:', value);\n                    }\n                }\n            }\n\n            return result;\n        }\n    };\n\n    Color.prototype.spaces = {\n        rgb: ['red', 'green', 'blue'],\n        hsl: ['hue', 'saturation', 'lightness'],\n        hsv: ['hue', 'saturation', 'value'],\n        hwb: ['hue', 'whiteness', 'blackness'],\n        cmyk: ['cyan', 'magenta', 'yellow', 'black']\n    };\n\n    Color.prototype.maxes = {\n        rgb: [255, 255, 255],\n        hsl: [360, 100, 100],\n        hsv: [360, 100, 100],\n        hwb: [360, 100, 100],\n        cmyk: [100, 100, 100, 100]\n    };\n\n    Color.prototype.getValues = function (space) {\n        var values = this.values;\n        var vals = {};\n\n        for (var i = 0; i < space.length; i++) {\n            vals[space.charAt(i)] = values[space][i];\n        }\n\n        if (values.alpha !== 1) {\n            vals.a = values.alpha;\n        }\n\n        // {r: 255, g: 255, b: 255, a: 0.4}\n        return vals;\n    };\n\n    Color.prototype.setValues = function (space, vals) {\n        var values = this.values;\n        var spaces = this.spaces;\n        var maxes = this.maxes;\n        var alpha = 1;\n        var i;\n\n        this.valid = true;\n\n        if (space === 'alpha') {\n            alpha = vals;\n        } else if (vals.length) {\n            // [10, 10, 10]\n            values[space] = vals.slice(0, space.length);\n            alpha = vals[space.length];\n        } else if (vals[space.charAt(0)] !== undefined) {\n            // {r: 10, g: 10, b: 10}\n            for (i = 0; i < space.length; i++) {\n                values[space][i] = vals[space.charAt(i)];\n            }\n\n            alpha = vals.a;\n        } else if (vals[spaces[space][0]] !== undefined) {\n            // {red: 10, green: 10, blue: 10}\n            var chans = spaces[space];\n\n            for (i = 0; i < space.length; i++) {\n                values[space][i] = vals[chans[i]];\n            }\n\n            alpha = vals.alpha;\n        }\n\n        values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));\n\n        if (space === 'alpha') {\n            return false;\n        }\n\n        var capped;\n\n        // cap values of the space prior converting all values\n        for (i = 0; i < space.length; i++) {\n            capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));\n            values[space][i] = Math.round(capped);\n        }\n\n        // convert to all the other color spaces\n        for (var sname in spaces) {\n            if (sname !== space) {\n                values[sname] = convert[space][sname](values[space]);\n            }\n        }\n\n        return true;\n    };\n\n    Color.prototype.setSpace = function (space, args) {\n        var vals = args[0];\n\n        if (vals === undefined) {\n            // color.rgb()\n            return this.getValues(space);\n        }\n\n        // color.rgb(10, 10, 10)\n        if (typeof vals === 'number') {\n            vals = Array.prototype.slice.call(args);\n        }\n\n        this.setValues(space, vals);\n        return this;\n    };\n\n    Color.prototype.setChannel = function (space, index, val) {\n        var svalues = this.values[space];\n        if (val === undefined) {\n            // color.red()\n            return svalues[index];\n        } else if (val === svalues[index]) {\n            // color.red(color.red())\n            return this;\n        }\n\n        // color.red(100)\n        svalues[index] = val;\n        this.setValues(space, svalues);\n\n        return this;\n    };\n\n    if (typeof window !== 'undefined') {\n        window.Color = Color;\n    }\n\n    module.exports = Color;\n\n},{\"1\":1,\"4\":4}],3:[function(require,module,exports){\n\t/* MIT license */\n\n    module.exports = {\n        rgb2hsl: rgb2hsl,\n        rgb2hsv: rgb2hsv,\n        rgb2hwb: rgb2hwb,\n        rgb2cmyk: rgb2cmyk,\n        rgb2keyword: rgb2keyword,\n        rgb2xyz: rgb2xyz,\n        rgb2lab: rgb2lab,\n        rgb2lch: rgb2lch,\n\n        hsl2rgb: hsl2rgb,\n        hsl2hsv: hsl2hsv,\n        hsl2hwb: hsl2hwb,\n        hsl2cmyk: hsl2cmyk,\n        hsl2keyword: hsl2keyword,\n\n        hsv2rgb: hsv2rgb,\n        hsv2hsl: hsv2hsl,\n        hsv2hwb: hsv2hwb,\n        hsv2cmyk: hsv2cmyk,\n        hsv2keyword: hsv2keyword,\n\n        hwb2rgb: hwb2rgb,\n        hwb2hsl: hwb2hsl,\n        hwb2hsv: hwb2hsv,\n        hwb2cmyk: hwb2cmyk,\n        hwb2keyword: hwb2keyword,\n\n        cmyk2rgb: cmyk2rgb,\n        cmyk2hsl: cmyk2hsl,\n        cmyk2hsv: cmyk2hsv,\n        cmyk2hwb: cmyk2hwb,\n        cmyk2keyword: cmyk2keyword,\n\n        keyword2rgb: keyword2rgb,\n        keyword2hsl: keyword2hsl,\n        keyword2hsv: keyword2hsv,\n        keyword2hwb: keyword2hwb,\n        keyword2cmyk: keyword2cmyk,\n        keyword2lab: keyword2lab,\n        keyword2xyz: keyword2xyz,\n\n        xyz2rgb: xyz2rgb,\n        xyz2lab: xyz2lab,\n        xyz2lch: xyz2lch,\n\n        lab2xyz: lab2xyz,\n        lab2rgb: lab2rgb,\n        lab2lch: lab2lch,\n\n        lch2lab: lch2lab,\n        lch2xyz: lch2xyz,\n        lch2rgb: lch2rgb\n    }\n\n\n    function rgb2hsl(rgb) {\n        var r = rgb[0]/255,\n            g = rgb[1]/255,\n            b = rgb[2]/255,\n            min = Math.min(r, g, b),\n            max = Math.max(r, g, b),\n            delta = max - min,\n            h, s, l;\n\n        if (max == min)\n            h = 0;\n        else if (r == max)\n            h = (g - b) / delta;\n        else if (g == max)\n            h = 2 + (b - r) / delta;\n        else if (b == max)\n            h = 4 + (r - g)/ delta;\n\n        h = Math.min(h * 60, 360);\n\n        if (h < 0)\n            h += 360;\n\n        l = (min + max) / 2;\n\n        if (max == min)\n            s = 0;\n        else if (l <= 0.5)\n            s = delta / (max + min);\n        else\n            s = delta / (2 - max - min);\n\n        return [h, s * 100, l * 100];\n    }\n\n    function rgb2hsv(rgb) {\n        var r = rgb[0],\n            g = rgb[1],\n            b = rgb[2],\n            min = Math.min(r, g, b),\n            max = Math.max(r, g, b),\n            delta = max - min,\n            h, s, v;\n\n        if (max == 0)\n            s = 0;\n        else\n            s = (delta/max * 1000)/10;\n\n        if (max == min)\n            h = 0;\n        else if (r == max)\n            h = (g - b) / delta;\n        else if (g == max)\n            h = 2 + (b - r) / delta;\n        else if (b == max)\n            h = 4 + (r - g) / delta;\n\n        h = Math.min(h * 60, 360);\n\n        if (h < 0)\n            h += 360;\n\n        v = ((max / 255) * 1000) / 10;\n\n        return [h, s, v];\n    }\n\n    function rgb2hwb(rgb) {\n        var r = rgb[0],\n            g = rgb[1],\n            b = rgb[2],\n            h = rgb2hsl(rgb)[0],\n            w = 1/255 * Math.min(r, Math.min(g, b)),\n            b = 1 - 1/255 * Math.max(r, Math.max(g, b));\n\n        return [h, w * 100, b * 100];\n    }\n\n    function rgb2cmyk(rgb) {\n        var r = rgb[0] / 255,\n            g = rgb[1] / 255,\n            b = rgb[2] / 255,\n            c, m, y, k;\n\n        k = Math.min(1 - r, 1 - g, 1 - b);\n        c = (1 - r - k) / (1 - k) || 0;\n        m = (1 - g - k) / (1 - k) || 0;\n        y = (1 - b - k) / (1 - k) || 0;\n        return [c * 100, m * 100, y * 100, k * 100];\n    }\n\n    function rgb2keyword(rgb) {\n        return reverseKeywords[JSON.stringify(rgb)];\n    }\n\n    function rgb2xyz(rgb) {\n        var r = rgb[0] / 255,\n            g = rgb[1] / 255,\n            b = rgb[2] / 255;\n\n        // assume sRGB\n        r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);\n        g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);\n        b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);\n\n        var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);\n        var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);\n        var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);\n\n        return [x * 100, y *100, z * 100];\n    }\n\n    function rgb2lab(rgb) {\n        var xyz = rgb2xyz(rgb),\n            x = xyz[0],\n            y = xyz[1],\n            z = xyz[2],\n            l, a, b;\n\n        x /= 95.047;\n        y /= 100;\n        z /= 108.883;\n\n        x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n        y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n        z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n        l = (116 * y) - 16;\n        a = 500 * (x - y);\n        b = 200 * (y - z);\n\n        return [l, a, b];\n    }\n\n    function rgb2lch(args) {\n        return lab2lch(rgb2lab(args));\n    }\n\n    function hsl2rgb(hsl) {\n        var h = hsl[0] / 360,\n            s = hsl[1] / 100,\n            l = hsl[2] / 100,\n            t1, t2, t3, rgb, val;\n\n        if (s == 0) {\n            val = l * 255;\n            return [val, val, val];\n        }\n\n        if (l < 0.5)\n            t2 = l * (1 + s);\n        else\n            t2 = l + s - l * s;\n        t1 = 2 * l - t2;\n\n        rgb = [0, 0, 0];\n        for (var i = 0; i < 3; i++) {\n            t3 = h + 1 / 3 * - (i - 1);\n            t3 < 0 && t3++;\n            t3 > 1 && t3--;\n\n            if (6 * t3 < 1)\n                val = t1 + (t2 - t1) * 6 * t3;\n            else if (2 * t3 < 1)\n                val = t2;\n            else if (3 * t3 < 2)\n                val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;\n            else\n                val = t1;\n\n            rgb[i] = val * 255;\n        }\n\n        return rgb;\n    }\n\n    function hsl2hsv(hsl) {\n        var h = hsl[0],\n            s = hsl[1] / 100,\n            l = hsl[2] / 100,\n            sv, v;\n\n        if(l === 0) {\n            // no need to do calc on black\n            // also avoids divide by 0 error\n            return [0, 0, 0];\n        }\n\n        l *= 2;\n        s *= (l <= 1) ? l : 2 - l;\n        v = (l + s) / 2;\n        sv = (2 * s) / (l + s);\n        return [h, sv * 100, v * 100];\n    }\n\n    function hsl2hwb(args) {\n        return rgb2hwb(hsl2rgb(args));\n    }\n\n    function hsl2cmyk(args) {\n        return rgb2cmyk(hsl2rgb(args));\n    }\n\n    function hsl2keyword(args) {\n        return rgb2keyword(hsl2rgb(args));\n    }\n\n\n    function hsv2rgb(hsv) {\n        var h = hsv[0] / 60,\n            s = hsv[1] / 100,\n            v = hsv[2] / 100,\n            hi = Math.floor(h) % 6;\n\n        var f = h - Math.floor(h),\n            p = 255 * v * (1 - s),\n            q = 255 * v * (1 - (s * f)),\n            t = 255 * v * (1 - (s * (1 - f))),\n            v = 255 * v;\n\n        switch(hi) {\n            case 0:\n                return [v, t, p];\n            case 1:\n                return [q, v, p];\n            case 2:\n                return [p, v, t];\n            case 3:\n                return [p, q, v];\n            case 4:\n                return [t, p, v];\n            case 5:\n                return [v, p, q];\n        }\n    }\n\n    function hsv2hsl(hsv) {\n        var h = hsv[0],\n            s = hsv[1] / 100,\n            v = hsv[2] / 100,\n            sl, l;\n\n        l = (2 - s) * v;\n        sl = s * v;\n        sl /= (l <= 1) ? l : 2 - l;\n        sl = sl || 0;\n        l /= 2;\n        return [h, sl * 100, l * 100];\n    }\n\n    function hsv2hwb(args) {\n        return rgb2hwb(hsv2rgb(args))\n    }\n\n    function hsv2cmyk(args) {\n        return rgb2cmyk(hsv2rgb(args));\n    }\n\n    function hsv2keyword(args) {\n        return rgb2keyword(hsv2rgb(args));\n    }\n\n// http://dev.w3.org/csswg/css-color/#hwb-to-rgb\n    function hwb2rgb(hwb) {\n        var h = hwb[0] / 360,\n            wh = hwb[1] / 100,\n            bl = hwb[2] / 100,\n            ratio = wh + bl,\n            i, v, f, n;\n\n        // wh + bl cant be > 1\n        if (ratio > 1) {\n            wh /= ratio;\n            bl /= ratio;\n        }\n\n        i = Math.floor(6 * h);\n        v = 1 - bl;\n        f = 6 * h - i;\n        if ((i & 0x01) != 0) {\n            f = 1 - f;\n        }\n        n = wh + f * (v - wh);  // linear interpolation\n\n        switch (i) {\n            default:\n            case 6:\n            case 0: r = v; g = n; b = wh; break;\n            case 1: r = n; g = v; b = wh; break;\n            case 2: r = wh; g = v; b = n; break;\n            case 3: r = wh; g = n; b = v; break;\n            case 4: r = n; g = wh; b = v; break;\n            case 5: r = v; g = wh; b = n; break;\n        }\n\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function hwb2hsl(args) {\n        return rgb2hsl(hwb2rgb(args));\n    }\n\n    function hwb2hsv(args) {\n        return rgb2hsv(hwb2rgb(args));\n    }\n\n    function hwb2cmyk(args) {\n        return rgb2cmyk(hwb2rgb(args));\n    }\n\n    function hwb2keyword(args) {\n        return rgb2keyword(hwb2rgb(args));\n    }\n\n    function cmyk2rgb(cmyk) {\n        var c = cmyk[0] / 100,\n            m = cmyk[1] / 100,\n            y = cmyk[2] / 100,\n            k = cmyk[3] / 100,\n            r, g, b;\n\n        r = 1 - Math.min(1, c * (1 - k) + k);\n        g = 1 - Math.min(1, m * (1 - k) + k);\n        b = 1 - Math.min(1, y * (1 - k) + k);\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function cmyk2hsl(args) {\n        return rgb2hsl(cmyk2rgb(args));\n    }\n\n    function cmyk2hsv(args) {\n        return rgb2hsv(cmyk2rgb(args));\n    }\n\n    function cmyk2hwb(args) {\n        return rgb2hwb(cmyk2rgb(args));\n    }\n\n    function cmyk2keyword(args) {\n        return rgb2keyword(cmyk2rgb(args));\n    }\n\n\n    function xyz2rgb(xyz) {\n        var x = xyz[0] / 100,\n            y = xyz[1] / 100,\n            z = xyz[2] / 100,\n            r, g, b;\n\n        r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);\n        g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);\n        b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);\n\n        // assume sRGB\n        r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)\n            : r = (r * 12.92);\n\n        g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)\n            : g = (g * 12.92);\n\n        b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)\n            : b = (b * 12.92);\n\n        r = Math.min(Math.max(0, r), 1);\n        g = Math.min(Math.max(0, g), 1);\n        b = Math.min(Math.max(0, b), 1);\n\n        return [r * 255, g * 255, b * 255];\n    }\n\n    function xyz2lab(xyz) {\n        var x = xyz[0],\n            y = xyz[1],\n            z = xyz[2],\n            l, a, b;\n\n        x /= 95.047;\n        y /= 100;\n        z /= 108.883;\n\n        x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);\n        y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);\n        z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);\n\n        l = (116 * y) - 16;\n        a = 500 * (x - y);\n        b = 200 * (y - z);\n\n        return [l, a, b];\n    }\n\n    function xyz2lch(args) {\n        return lab2lch(xyz2lab(args));\n    }\n\n    function lab2xyz(lab) {\n        var l = lab[0],\n            a = lab[1],\n            b = lab[2],\n            x, y, z, y2;\n\n        if (l <= 8) {\n            y = (l * 100) / 903.3;\n            y2 = (7.787 * (y / 100)) + (16 / 116);\n        } else {\n            y = 100 * Math.pow((l + 16) / 116, 3);\n            y2 = Math.pow(y / 100, 1/3);\n        }\n\n        x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3);\n\n        z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3);\n\n        return [x, y, z];\n    }\n\n    function lab2lch(lab) {\n        var l = lab[0],\n            a = lab[1],\n            b = lab[2],\n            hr, h, c;\n\n        hr = Math.atan2(b, a);\n        h = hr * 360 / 2 / Math.PI;\n        if (h < 0) {\n            h += 360;\n        }\n        c = Math.sqrt(a * a + b * b);\n        return [l, c, h];\n    }\n\n    function lab2rgb(args) {\n        return xyz2rgb(lab2xyz(args));\n    }\n\n    function lch2lab(lch) {\n        var l = lch[0],\n            c = lch[1],\n            h = lch[2],\n            a, b, hr;\n\n        hr = h / 360 * 2 * Math.PI;\n        a = c * Math.cos(hr);\n        b = c * Math.sin(hr);\n        return [l, a, b];\n    }\n\n    function lch2xyz(args) {\n        return lab2xyz(lch2lab(args));\n    }\n\n    function lch2rgb(args) {\n        return lab2rgb(lch2lab(args));\n    }\n\n    function keyword2rgb(keyword) {\n        return cssKeywords[keyword];\n    }\n\n    function keyword2hsl(args) {\n        return rgb2hsl(keyword2rgb(args));\n    }\n\n    function keyword2hsv(args) {\n        return rgb2hsv(keyword2rgb(args));\n    }\n\n    function keyword2hwb(args) {\n        return rgb2hwb(keyword2rgb(args));\n    }\n\n    function keyword2cmyk(args) {\n        return rgb2cmyk(keyword2rgb(args));\n    }\n\n    function keyword2lab(args) {\n        return rgb2lab(keyword2rgb(args));\n    }\n\n    function keyword2xyz(args) {\n        return rgb2xyz(keyword2rgb(args));\n    }\n\n    var cssKeywords = {\n        aliceblue:  [240,248,255],\n        antiquewhite: [250,235,215],\n        aqua: [0,255,255],\n        aquamarine: [127,255,212],\n        azure:  [240,255,255],\n        beige:  [245,245,220],\n        bisque: [255,228,196],\n        black:  [0,0,0],\n        blanchedalmond: [255,235,205],\n        blue: [0,0,255],\n        blueviolet: [138,43,226],\n        brown:  [165,42,42],\n        burlywood:  [222,184,135],\n        cadetblue:  [95,158,160],\n        chartreuse: [127,255,0],\n        chocolate:  [210,105,30],\n        coral:  [255,127,80],\n        cornflowerblue: [100,149,237],\n        cornsilk: [255,248,220],\n        crimson:  [220,20,60],\n        cyan: [0,255,255],\n        darkblue: [0,0,139],\n        darkcyan: [0,139,139],\n        darkgoldenrod:  [184,134,11],\n        darkgray: [169,169,169],\n        darkgreen:  [0,100,0],\n        darkgrey: [169,169,169],\n        darkkhaki:  [189,183,107],\n        darkmagenta:  [139,0,139],\n        darkolivegreen: [85,107,47],\n        darkorange: [255,140,0],\n        darkorchid: [153,50,204],\n        darkred:  [139,0,0],\n        darksalmon: [233,150,122],\n        darkseagreen: [143,188,143],\n        darkslateblue:  [72,61,139],\n        darkslategray:  [47,79,79],\n        darkslategrey:  [47,79,79],\n        darkturquoise:  [0,206,209],\n        darkviolet: [148,0,211],\n        deeppink: [255,20,147],\n        deepskyblue:  [0,191,255],\n        dimgray:  [105,105,105],\n        dimgrey:  [105,105,105],\n        dodgerblue: [30,144,255],\n        firebrick:  [178,34,34],\n        floralwhite:  [255,250,240],\n        forestgreen:  [34,139,34],\n        fuchsia:  [255,0,255],\n        gainsboro:  [220,220,220],\n        ghostwhite: [248,248,255],\n        gold: [255,215,0],\n        goldenrod:  [218,165,32],\n        gray: [128,128,128],\n        green:  [0,128,0],\n        greenyellow:  [173,255,47],\n        grey: [128,128,128],\n        honeydew: [240,255,240],\n        hotpink:  [255,105,180],\n        indianred:  [205,92,92],\n        indigo: [75,0,130],\n        ivory:  [255,255,240],\n        khaki:  [240,230,140],\n        lavender: [230,230,250],\n        lavenderblush:  [255,240,245],\n        lawngreen:  [124,252,0],\n        lemonchiffon: [255,250,205],\n        lightblue:  [173,216,230],\n        lightcoral: [240,128,128],\n        lightcyan:  [224,255,255],\n        lightgoldenrodyellow: [250,250,210],\n        lightgray:  [211,211,211],\n        lightgreen: [144,238,144],\n        lightgrey:  [211,211,211],\n        lightpink:  [255,182,193],\n        lightsalmon:  [255,160,122],\n        lightseagreen:  [32,178,170],\n        lightskyblue: [135,206,250],\n        lightslategray: [119,136,153],\n        lightslategrey: [119,136,153],\n        lightsteelblue: [176,196,222],\n        lightyellow:  [255,255,224],\n        lime: [0,255,0],\n        limegreen:  [50,205,50],\n        linen:  [250,240,230],\n        magenta:  [255,0,255],\n        maroon: [128,0,0],\n        mediumaquamarine: [102,205,170],\n        mediumblue: [0,0,205],\n        mediumorchid: [186,85,211],\n        mediumpurple: [147,112,219],\n        mediumseagreen: [60,179,113],\n        mediumslateblue:  [123,104,238],\n        mediumspringgreen:  [0,250,154],\n        mediumturquoise:  [72,209,204],\n        mediumvioletred:  [199,21,133],\n        midnightblue: [25,25,112],\n        mintcream:  [245,255,250],\n        mistyrose:  [255,228,225],\n        moccasin: [255,228,181],\n        navajowhite:  [255,222,173],\n        navy: [0,0,128],\n        oldlace:  [253,245,230],\n        olive:  [128,128,0],\n        olivedrab:  [107,142,35],\n        orange: [255,165,0],\n        orangered:  [255,69,0],\n        orchid: [218,112,214],\n        palegoldenrod:  [238,232,170],\n        palegreen:  [152,251,152],\n        paleturquoise:  [175,238,238],\n        palevioletred:  [219,112,147],\n        papayawhip: [255,239,213],\n        peachpuff:  [255,218,185],\n        peru: [205,133,63],\n        pink: [255,192,203],\n        plum: [221,160,221],\n        powderblue: [176,224,230],\n        purple: [128,0,128],\n        rebeccapurple: [102, 51, 153],\n        red:  [255,0,0],\n        rosybrown:  [188,143,143],\n        royalblue:  [65,105,225],\n        saddlebrown:  [139,69,19],\n        salmon: [250,128,114],\n        sandybrown: [244,164,96],\n        seagreen: [46,139,87],\n        seashell: [255,245,238],\n        sienna: [160,82,45],\n        silver: [192,192,192],\n        skyblue:  [135,206,235],\n        slateblue:  [106,90,205],\n        slategray:  [112,128,144],\n        slategrey:  [112,128,144],\n        snow: [255,250,250],\n        springgreen:  [0,255,127],\n        steelblue:  [70,130,180],\n        tan:  [210,180,140],\n        teal: [0,128,128],\n        thistle:  [216,191,216],\n        tomato: [255,99,71],\n        turquoise:  [64,224,208],\n        violet: [238,130,238],\n        wheat:  [245,222,179],\n        white:  [255,255,255],\n        whitesmoke: [245,245,245],\n        yellow: [255,255,0],\n        yellowgreen:  [154,205,50]\n    };\n\n    var reverseKeywords = {};\n    for (var key in cssKeywords) {\n        reverseKeywords[JSON.stringify(cssKeywords[key])] = key;\n    }\n\n},{}],4:[function(require,module,exports){\n    var conversions = require(3);\n\n    var convert = function() {\n        return new Converter();\n    }\n\n    for (var func in conversions) {\n        // export Raw versions\n        convert[func + \"Raw\"] =  (function(func) {\n            // accept array or plain args\n            return function(arg) {\n                if (typeof arg == \"number\")\n                    arg = Array.prototype.slice.call(arguments);\n                return conversions[func](arg);\n            }\n        })(func);\n\n        var pair = /(\\w+)2(\\w+)/.exec(func),\n            from = pair[1],\n            to = pair[2];\n\n        // export rgb2hsl and [\"rgb\"][\"hsl\"]\n        convert[from] = convert[from] || {};\n\n        convert[from][to] = convert[func] = (function(func) {\n            return function(arg) {\n                if (typeof arg == \"number\")\n                    arg = Array.prototype.slice.call(arguments);\n\n                var val = conversions[func](arg);\n                if (typeof val == \"string\" || val === undefined)\n                    return val; // keyword\n\n                for (var i = 0; i < val.length; i++)\n                    val[i] = Math.round(val[i]);\n                return val;\n            }\n        })(func);\n    }\n\n\n\t/* Converter does lazy conversion and caching */\n    var Converter = function() {\n        this.convs = {};\n    };\n\n\t/* Either get the values for a space or\n\t set the values for a space, depending on args */\n    Converter.prototype.routeSpace = function(space, args) {\n        var values = args[0];\n        if (values === undefined) {\n            // color.rgb()\n            return this.getValues(space);\n        }\n        // color.rgb(10, 10, 10)\n        if (typeof values == \"number\") {\n            values = Array.prototype.slice.call(args);\n        }\n\n        return this.setValues(space, values);\n    };\n\n\t/* Set the values for a space, invalidating cache */\n    Converter.prototype.setValues = function(space, values) {\n        this.space = space;\n        this.convs = {};\n        this.convs[space] = values;\n        return this;\n    };\n\n\t/* Get the values for a space. If there's already\n\t a conversion for the space, fetch it, otherwise\n\t compute it */\n    Converter.prototype.getValues = function(space) {\n        var vals = this.convs[space];\n        if (!vals) {\n            var fspace = this.space,\n                from = this.convs[fspace];\n            vals = convert[fspace][space](from);\n\n            this.convs[space] = vals;\n        }\n        return vals;\n    };\n\n    [\"rgb\", \"hsl\", \"hsv\", \"cmyk\", \"keyword\"].forEach(function(space) {\n        Converter.prototype[space] = function(vals) {\n            return this.routeSpace(space, arguments);\n        }\n    });\n\n    module.exports = convert;\n},{\"3\":3}],5:[function(require,module,exports){\n    'use strict'\n\n    module.exports = {\n        \"aliceblue\": [240, 248, 255],\n        \"antiquewhite\": [250, 235, 215],\n        \"aqua\": [0, 255, 255],\n        \"aquamarine\": [127, 255, 212],\n        \"azure\": [240, 255, 255],\n        \"beige\": [245, 245, 220],\n        \"bisque\": [255, 228, 196],\n        \"black\": [0, 0, 0],\n        \"blanchedalmond\": [255, 235, 205],\n        \"blue\": [0, 0, 255],\n        \"blueviolet\": [138, 43, 226],\n        \"brown\": [165, 42, 42],\n        \"burlywood\": [222, 184, 135],\n        \"cadetblue\": [95, 158, 160],\n        \"chartreuse\": [127, 255, 0],\n        \"chocolate\": [210, 105, 30],\n        \"coral\": [255, 127, 80],\n        \"cornflowerblue\": [100, 149, 237],\n        \"cornsilk\": [255, 248, 220],\n        \"crimson\": [220, 20, 60],\n        \"cyan\": [0, 255, 255],\n        \"darkblue\": [0, 0, 139],\n        \"darkcyan\": [0, 139, 139],\n        \"darkgoldenrod\": [184, 134, 11],\n        \"darkgray\": [169, 169, 169],\n        \"darkgreen\": [0, 100, 0],\n        \"darkgrey\": [169, 169, 169],\n        \"darkkhaki\": [189, 183, 107],\n        \"darkmagenta\": [139, 0, 139],\n        \"darkolivegreen\": [85, 107, 47],\n        \"darkorange\": [255, 140, 0],\n        \"darkorchid\": [153, 50, 204],\n        \"darkred\": [139, 0, 0],\n        \"darksalmon\": [233, 150, 122],\n        \"darkseagreen\": [143, 188, 143],\n        \"darkslateblue\": [72, 61, 139],\n        \"darkslategray\": [47, 79, 79],\n        \"darkslategrey\": [47, 79, 79],\n        \"darkturquoise\": [0, 206, 209],\n        \"darkviolet\": [148, 0, 211],\n        \"deeppink\": [255, 20, 147],\n        \"deepskyblue\": [0, 191, 255],\n        \"dimgray\": [105, 105, 105],\n        \"dimgrey\": [105, 105, 105],\n        \"dodgerblue\": [30, 144, 255],\n        \"firebrick\": [178, 34, 34],\n        \"floralwhite\": [255, 250, 240],\n        \"forestgreen\": [34, 139, 34],\n        \"fuchsia\": [255, 0, 255],\n        \"gainsboro\": [220, 220, 220],\n        \"ghostwhite\": [248, 248, 255],\n        \"gold\": [255, 215, 0],\n        \"goldenrod\": [218, 165, 32],\n        \"gray\": [128, 128, 128],\n        \"green\": [0, 128, 0],\n        \"greenyellow\": [173, 255, 47],\n        \"grey\": [128, 128, 128],\n        \"honeydew\": [240, 255, 240],\n        \"hotpink\": [255, 105, 180],\n        \"indianred\": [205, 92, 92],\n        \"indigo\": [75, 0, 130],\n        \"ivory\": [255, 255, 240],\n        \"khaki\": [240, 230, 140],\n        \"lavender\": [230, 230, 250],\n        \"lavenderblush\": [255, 240, 245],\n        \"lawngreen\": [124, 252, 0],\n        \"lemonchiffon\": [255, 250, 205],\n        \"lightblue\": [173, 216, 230],\n        \"lightcoral\": [240, 128, 128],\n        \"lightcyan\": [224, 255, 255],\n        \"lightgoldenrodyellow\": [250, 250, 210],\n        \"lightgray\": [211, 211, 211],\n        \"lightgreen\": [144, 238, 144],\n        \"lightgrey\": [211, 211, 211],\n        \"lightpink\": [255, 182, 193],\n        \"lightsalmon\": [255, 160, 122],\n        \"lightseagreen\": [32, 178, 170],\n        \"lightskyblue\": [135, 206, 250],\n        \"lightslategray\": [119, 136, 153],\n        \"lightslategrey\": [119, 136, 153],\n        \"lightsteelblue\": [176, 196, 222],\n        \"lightyellow\": [255, 255, 224],\n        \"lime\": [0, 255, 0],\n        \"limegreen\": [50, 205, 50],\n        \"linen\": [250, 240, 230],\n        \"magenta\": [255, 0, 255],\n        \"maroon\": [128, 0, 0],\n        \"mediumaquamarine\": [102, 205, 170],\n        \"mediumblue\": [0, 0, 205],\n        \"mediumorchid\": [186, 85, 211],\n        \"mediumpurple\": [147, 112, 219],\n        \"mediumseagreen\": [60, 179, 113],\n        \"mediumslateblue\": [123, 104, 238],\n        \"mediumspringgreen\": [0, 250, 154],\n        \"mediumturquoise\": [72, 209, 204],\n        \"mediumvioletred\": [199, 21, 133],\n        \"midnightblue\": [25, 25, 112],\n        \"mintcream\": [245, 255, 250],\n        \"mistyrose\": [255, 228, 225],\n        \"moccasin\": [255, 228, 181],\n        \"navajowhite\": [255, 222, 173],\n        \"navy\": [0, 0, 128],\n        \"oldlace\": [253, 245, 230],\n        \"olive\": [128, 128, 0],\n        \"olivedrab\": [107, 142, 35],\n        \"orange\": [255, 165, 0],\n        \"orangered\": [255, 69, 0],\n        \"orchid\": [218, 112, 214],\n        \"palegoldenrod\": [238, 232, 170],\n        \"palegreen\": [152, 251, 152],\n        \"paleturquoise\": [175, 238, 238],\n        \"palevioletred\": [219, 112, 147],\n        \"papayawhip\": [255, 239, 213],\n        \"peachpuff\": [255, 218, 185],\n        \"peru\": [205, 133, 63],\n        \"pink\": [255, 192, 203],\n        \"plum\": [221, 160, 221],\n        \"powderblue\": [176, 224, 230],\n        \"purple\": [128, 0, 128],\n        \"rebeccapurple\": [102, 51, 153],\n        \"red\": [255, 0, 0],\n        \"rosybrown\": [188, 143, 143],\n        \"royalblue\": [65, 105, 225],\n        \"saddlebrown\": [139, 69, 19],\n        \"salmon\": [250, 128, 114],\n        \"sandybrown\": [244, 164, 96],\n        \"seagreen\": [46, 139, 87],\n        \"seashell\": [255, 245, 238],\n        \"sienna\": [160, 82, 45],\n        \"silver\": [192, 192, 192],\n        \"skyblue\": [135, 206, 235],\n        \"slateblue\": [106, 90, 205],\n        \"slategray\": [112, 128, 144],\n        \"slategrey\": [112, 128, 144],\n        \"snow\": [255, 250, 250],\n        \"springgreen\": [0, 255, 127],\n        \"steelblue\": [70, 130, 180],\n        \"tan\": [210, 180, 140],\n        \"teal\": [0, 128, 128],\n        \"thistle\": [216, 191, 216],\n        \"tomato\": [255, 99, 71],\n        \"turquoise\": [64, 224, 208],\n        \"violet\": [238, 130, 238],\n        \"wheat\": [245, 222, 179],\n        \"white\": [255, 255, 255],\n        \"whitesmoke\": [245, 245, 245],\n        \"yellow\": [255, 255, 0],\n        \"yellowgreen\": [154, 205, 50]\n    };\n\n},{}],6:[function(require,module,exports){\n//! moment.js\n//! version : 2.18.1\n//! authors : Tim Wood, Iskren Chernev, Moment.js contributors\n//! license : MIT\n//! momentjs.com\n\n    ;(function (global, factory) {\n        typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n            typeof define === 'function' && define.amd ? define(factory) :\n                global.moment = factory()\n    }(this, (function () { 'use strict';\n\n        var hookCallback;\n\n        function hooks () {\n            return hookCallback.apply(null, arguments);\n        }\n\n// This is done to register the method called with moment()\n// without creating circular dependencies.\n        function setHookCallback (callback) {\n            hookCallback = callback;\n        }\n\n        function isArray(input) {\n            return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';\n        }\n\n        function isObject(input) {\n            // IE8 will treat undefined and null as object if it wasn't for\n            // input != null\n            return input != null && Object.prototype.toString.call(input) === '[object Object]';\n        }\n\n        function isObjectEmpty(obj) {\n            var k;\n            for (k in obj) {\n                // even if its not own property I'd still call it non-empty\n                return false;\n            }\n            return true;\n        }\n\n        function isUndefined(input) {\n            return input === void 0;\n        }\n\n        function isNumber(input) {\n            return typeof input === 'number' || Object.prototype.toString.call(input) === '[object Number]';\n        }\n\n        function isDate(input) {\n            return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';\n        }\n\n        function map(arr, fn) {\n            var res = [], i;\n            for (i = 0; i < arr.length; ++i) {\n                res.push(fn(arr[i], i));\n            }\n            return res;\n        }\n\n        function hasOwnProp(a, b) {\n            return Object.prototype.hasOwnProperty.call(a, b);\n        }\n\n        function extend(a, b) {\n            for (var i in b) {\n                if (hasOwnProp(b, i)) {\n                    a[i] = b[i];\n                }\n            }\n\n            if (hasOwnProp(b, 'toString')) {\n                a.toString = b.toString;\n            }\n\n            if (hasOwnProp(b, 'valueOf')) {\n                a.valueOf = b.valueOf;\n            }\n\n            return a;\n        }\n\n        function createUTC (input, format, locale, strict) {\n            return createLocalOrUTC(input, format, locale, strict, true).utc();\n        }\n\n        function defaultParsingFlags() {\n            // We need to deep clone this object.\n            return {\n                empty           : false,\n                unusedTokens    : [],\n                unusedInput     : [],\n                overflow        : -2,\n                charsLeftOver   : 0,\n                nullInput       : false,\n                invalidMonth    : null,\n                invalidFormat   : false,\n                userInvalidated : false,\n                iso             : false,\n                parsedDateParts : [],\n                meridiem        : null,\n                rfc2822         : false,\n                weekdayMismatch : false\n            };\n        }\n\n        function getParsingFlags(m) {\n            if (m._pf == null) {\n                m._pf = defaultParsingFlags();\n            }\n            return m._pf;\n        }\n\n        var some;\n        if (Array.prototype.some) {\n            some = Array.prototype.some;\n        } else {\n            some = function (fun) {\n                var t = Object(this);\n                var len = t.length >>> 0;\n\n                for (var i = 0; i < len; i++) {\n                    if (i in t && fun.call(this, t[i], i, t)) {\n                        return true;\n                    }\n                }\n\n                return false;\n            };\n        }\n\n        var some$1 = some;\n\n        function isValid(m) {\n            if (m._isValid == null) {\n                var flags = getParsingFlags(m);\n                var parsedParts = some$1.call(flags.parsedDateParts, function (i) {\n                    return i != null;\n                });\n                var isNowValid = !isNaN(m._d.getTime()) &&\n                    flags.overflow < 0 &&\n                    !flags.empty &&\n                    !flags.invalidMonth &&\n                    !flags.invalidWeekday &&\n                    !flags.nullInput &&\n                    !flags.invalidFormat &&\n                    !flags.userInvalidated &&\n                    (!flags.meridiem || (flags.meridiem && parsedParts));\n\n                if (m._strict) {\n                    isNowValid = isNowValid &&\n                        flags.charsLeftOver === 0 &&\n                        flags.unusedTokens.length === 0 &&\n                        flags.bigHour === undefined;\n                }\n\n                if (Object.isFrozen == null || !Object.isFrozen(m)) {\n                    m._isValid = isNowValid;\n                }\n                else {\n                    return isNowValid;\n                }\n            }\n            return m._isValid;\n        }\n\n        function createInvalid (flags) {\n            var m = createUTC(NaN);\n            if (flags != null) {\n                extend(getParsingFlags(m), flags);\n            }\n            else {\n                getParsingFlags(m).userInvalidated = true;\n            }\n\n            return m;\n        }\n\n// Plugins that add properties should also add the key here (null value),\n// so we can properly clone ourselves.\n        var momentProperties = hooks.momentProperties = [];\n\n        function copyConfig(to, from) {\n            var i, prop, val;\n\n            if (!isUndefined(from._isAMomentObject)) {\n                to._isAMomentObject = from._isAMomentObject;\n            }\n            if (!isUndefined(from._i)) {\n                to._i = from._i;\n            }\n            if (!isUndefined(from._f)) {\n                to._f = from._f;\n            }\n            if (!isUndefined(from._l)) {\n                to._l = from._l;\n            }\n            if (!isUndefined(from._strict)) {\n                to._strict = from._strict;\n            }\n            if (!isUndefined(from._tzm)) {\n                to._tzm = from._tzm;\n            }\n            if (!isUndefined(from._isUTC)) {\n                to._isUTC = from._isUTC;\n            }\n            if (!isUndefined(from._offset)) {\n                to._offset = from._offset;\n            }\n            if (!isUndefined(from._pf)) {\n                to._pf = getParsingFlags(from);\n            }\n            if (!isUndefined(from._locale)) {\n                to._locale = from._locale;\n            }\n\n            if (momentProperties.length > 0) {\n                for (i = 0; i < momentProperties.length; i++) {\n                    prop = momentProperties[i];\n                    val = from[prop];\n                    if (!isUndefined(val)) {\n                        to[prop] = val;\n                    }\n                }\n            }\n\n            return to;\n        }\n\n        var updateInProgress = false;\n\n// Moment prototype object\n        function Moment(config) {\n            copyConfig(this, config);\n            this._d = new Date(config._d != null ? config._d.getTime() : NaN);\n            if (!this.isValid()) {\n                this._d = new Date(NaN);\n            }\n            // Prevent infinite loop in case updateOffset creates new moment\n            // objects.\n            if (updateInProgress === false) {\n                updateInProgress = true;\n                hooks.updateOffset(this);\n                updateInProgress = false;\n            }\n        }\n\n        function isMoment (obj) {\n            return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);\n        }\n\n        function absFloor (number) {\n            if (number < 0) {\n                // -0 -> 0\n                return Math.ceil(number) || 0;\n            } else {\n                return Math.floor(number);\n            }\n        }\n\n        function toInt(argumentForCoercion) {\n            var coercedNumber = +argumentForCoercion,\n                value = 0;\n\n            if (coercedNumber !== 0 && isFinite(coercedNumber)) {\n                value = absFloor(coercedNumber);\n            }\n\n            return value;\n        }\n\n// compare two arrays, return the number of differences\n        function compareArrays(array1, array2, dontConvert) {\n            var len = Math.min(array1.length, array2.length),\n                lengthDiff = Math.abs(array1.length - array2.length),\n                diffs = 0,\n                i;\n            for (i = 0; i < len; i++) {\n                if ((dontConvert && array1[i] !== array2[i]) ||\n                    (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {\n                    diffs++;\n                }\n            }\n            return diffs + lengthDiff;\n        }\n\n        function warn(msg) {\n            if (hooks.suppressDeprecationWarnings === false &&\n                (typeof console !==  'undefined') && console.warn) {\n                console.warn('Deprecation warning: ' + msg);\n            }\n        }\n\n        function deprecate(msg, fn) {\n            var firstTime = true;\n\n            return extend(function () {\n                if (hooks.deprecationHandler != null) {\n                    hooks.deprecationHandler(null, msg);\n                }\n                if (firstTime) {\n                    var args = [];\n                    var arg;\n                    for (var i = 0; i < arguments.length; i++) {\n                        arg = '';\n                        if (typeof arguments[i] === 'object') {\n                            arg += '\\n[' + i + '] ';\n                            for (var key in arguments[0]) {\n                                arg += key + ': ' + arguments[0][key] + ', ';\n                            }\n                            arg = arg.slice(0, -2); // Remove trailing comma and space\n                        } else {\n                            arg = arguments[i];\n                        }\n                        args.push(arg);\n                    }\n                    warn(msg + '\\nArguments: ' + Array.prototype.slice.call(args).join('') + '\\n' + (new Error()).stack);\n                    firstTime = false;\n                }\n                return fn.apply(this, arguments);\n            }, fn);\n        }\n\n        var deprecations = {};\n\n        function deprecateSimple(name, msg) {\n            if (hooks.deprecationHandler != null) {\n                hooks.deprecationHandler(name, msg);\n            }\n            if (!deprecations[name]) {\n                warn(msg);\n                deprecations[name] = true;\n            }\n        }\n\n        hooks.suppressDeprecationWarnings = false;\n        hooks.deprecationHandler = null;\n\n        function isFunction(input) {\n            return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';\n        }\n\n        function set (config) {\n            var prop, i;\n            for (i in config) {\n                prop = config[i];\n                if (isFunction(prop)) {\n                    this[i] = prop;\n                } else {\n                    this['_' + i] = prop;\n                }\n            }\n            this._config = config;\n            // Lenient ordinal parsing accepts just a number in addition to\n            // number + (possibly) stuff coming from _dayOfMonthOrdinalParse.\n            // TODO: Remove \"ordinalParse\" fallback in next major release.\n            this._dayOfMonthOrdinalParseLenient = new RegExp(\n                (this._dayOfMonthOrdinalParse.source || this._ordinalParse.source) +\n                '|' + (/\\d{1,2}/).source);\n        }\n\n        function mergeConfigs(parentConfig, childConfig) {\n            var res = extend({}, parentConfig), prop;\n            for (prop in childConfig) {\n                if (hasOwnProp(childConfig, prop)) {\n                    if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {\n                        res[prop] = {};\n                        extend(res[prop], parentConfig[prop]);\n                        extend(res[prop], childConfig[prop]);\n                    } else if (childConfig[prop] != null) {\n                        res[prop] = childConfig[prop];\n                    } else {\n                        delete res[prop];\n                    }\n                }\n            }\n            for (prop in parentConfig) {\n                if (hasOwnProp(parentConfig, prop) &&\n                    !hasOwnProp(childConfig, prop) &&\n                    isObject(parentConfig[prop])) {\n                    // make sure changes to properties don't modify parent config\n                    res[prop] = extend({}, res[prop]);\n                }\n            }\n            return res;\n        }\n\n        function Locale(config) {\n            if (config != null) {\n                this.set(config);\n            }\n        }\n\n        var keys;\n\n        if (Object.keys) {\n            keys = Object.keys;\n        } else {\n            keys = function (obj) {\n                var i, res = [];\n                for (i in obj) {\n                    if (hasOwnProp(obj, i)) {\n                        res.push(i);\n                    }\n                }\n                return res;\n            };\n        }\n\n        var keys$1 = keys;\n\n        var defaultCalendar = {\n            sameDay : '[Today at] LT',\n            nextDay : '[Tomorrow at] LT',\n            nextWeek : 'dddd [at] LT',\n            lastDay : '[Yesterday at] LT',\n            lastWeek : '[Last] dddd [at] LT',\n            sameElse : 'L'\n        };\n\n        function calendar (key, mom, now) {\n            var output = this._calendar[key] || this._calendar['sameElse'];\n            return isFunction(output) ? output.call(mom, now) : output;\n        }\n\n        var defaultLongDateFormat = {\n            LTS  : 'h:mm:ss A',\n            LT   : 'h:mm A',\n            L    : 'MM/DD/YYYY',\n            LL   : 'MMMM D, YYYY',\n            LLL  : 'MMMM D, YYYY h:mm A',\n            LLLL : 'dddd, MMMM D, YYYY h:mm A'\n        };\n\n        function longDateFormat (key) {\n            var format = this._longDateFormat[key],\n                formatUpper = this._longDateFormat[key.toUpperCase()];\n\n            if (format || !formatUpper) {\n                return format;\n            }\n\n            this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {\n                return val.slice(1);\n            });\n\n            return this._longDateFormat[key];\n        }\n\n        var defaultInvalidDate = 'Invalid date';\n\n        function invalidDate () {\n            return this._invalidDate;\n        }\n\n        var defaultOrdinal = '%d';\n        var defaultDayOfMonthOrdinalParse = /\\d{1,2}/;\n\n        function ordinal (number) {\n            return this._ordinal.replace('%d', number);\n        }\n\n        var defaultRelativeTime = {\n            future : 'in %s',\n            past   : '%s ago',\n            s  : 'a few seconds',\n            ss : '%d seconds',\n            m  : 'a minute',\n            mm : '%d minutes',\n            h  : 'an hour',\n            hh : '%d hours',\n            d  : 'a day',\n            dd : '%d days',\n            M  : 'a month',\n            MM : '%d months',\n            y  : 'a year',\n            yy : '%d years'\n        };\n\n        function relativeTime (number, withoutSuffix, string, isFuture) {\n            var output = this._relativeTime[string];\n            return (isFunction(output)) ?\n                output(number, withoutSuffix, string, isFuture) :\n                output.replace(/%d/i, number);\n        }\n\n        function pastFuture (diff, output) {\n            var format = this._relativeTime[diff > 0 ? 'future' : 'past'];\n            return isFunction(format) ? format(output) : format.replace(/%s/i, output);\n        }\n\n        var aliases = {};\n\n        function addUnitAlias (unit, shorthand) {\n            var lowerCase = unit.toLowerCase();\n            aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;\n        }\n\n        function normalizeUnits(units) {\n            return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;\n        }\n\n        function normalizeObjectUnits(inputObject) {\n            var normalizedInput = {},\n                normalizedProp,\n                prop;\n\n            for (prop in inputObject) {\n                if (hasOwnProp(inputObject, prop)) {\n                    normalizedProp = normalizeUnits(prop);\n                    if (normalizedProp) {\n                        normalizedInput[normalizedProp] = inputObject[prop];\n                    }\n                }\n            }\n\n            return normalizedInput;\n        }\n\n        var priorities = {};\n\n        function addUnitPriority(unit, priority) {\n            priorities[unit] = priority;\n        }\n\n        function getPrioritizedUnits(unitsObj) {\n            var units = [];\n            for (var u in unitsObj) {\n                units.push({unit: u, priority: priorities[u]});\n            }\n            units.sort(function (a, b) {\n                return a.priority - b.priority;\n            });\n            return units;\n        }\n\n        function makeGetSet (unit, keepTime) {\n            return function (value) {\n                if (value != null) {\n                    set$1(this, unit, value);\n                    hooks.updateOffset(this, keepTime);\n                    return this;\n                } else {\n                    return get(this, unit);\n                }\n            };\n        }\n\n        function get (mom, unit) {\n            return mom.isValid() ?\n                mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;\n        }\n\n        function set$1 (mom, unit, value) {\n            if (mom.isValid()) {\n                mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);\n            }\n        }\n\n// MOMENTS\n\n        function stringGet (units) {\n            units = normalizeUnits(units);\n            if (isFunction(this[units])) {\n                return this[units]();\n            }\n            return this;\n        }\n\n\n        function stringSet (units, value) {\n            if (typeof units === 'object') {\n                units = normalizeObjectUnits(units);\n                var prioritized = getPrioritizedUnits(units);\n                for (var i = 0; i < prioritized.length; i++) {\n                    this[prioritized[i].unit](units[prioritized[i].unit]);\n                }\n            } else {\n                units = normalizeUnits(units);\n                if (isFunction(this[units])) {\n                    return this[units](value);\n                }\n            }\n            return this;\n        }\n\n        function zeroFill(number, targetLength, forceSign) {\n            var absNumber = '' + Math.abs(number),\n                zerosToFill = targetLength - absNumber.length,\n                sign = number >= 0;\n            return (sign ? (forceSign ? '+' : '') : '-') +\n                Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;\n        }\n\n        var formattingTokens = /(\\[[^\\[]*\\])|(\\\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;\n\n        var localFormattingTokens = /(\\[[^\\[]*\\])|(\\\\)?(LTS|LT|LL?L?L?|l{1,4})/g;\n\n        var formatFunctions = {};\n\n        var formatTokenFunctions = {};\n\n// token:    'M'\n// padded:   ['MM', 2]\n// ordinal:  'Mo'\n// callback: function () { this.month() + 1 }\n        function addFormatToken (token, padded, ordinal, callback) {\n            var func = callback;\n            if (typeof callback === 'string') {\n                func = function () {\n                    return this[callback]();\n                };\n            }\n            if (token) {\n                formatTokenFunctions[token] = func;\n            }\n            if (padded) {\n                formatTokenFunctions[padded[0]] = function () {\n                    return zeroFill(func.apply(this, arguments), padded[1], padded[2]);\n                };\n            }\n            if (ordinal) {\n                formatTokenFunctions[ordinal] = function () {\n                    return this.localeData().ordinal(func.apply(this, arguments), token);\n                };\n            }\n        }\n\n        function removeFormattingTokens(input) {\n            if (input.match(/\\[[\\s\\S]/)) {\n                return input.replace(/^\\[|\\]$/g, '');\n            }\n            return input.replace(/\\\\/g, '');\n        }\n\n        function makeFormatFunction(format) {\n            var array = format.match(formattingTokens), i, length;\n\n            for (i = 0, length = array.length; i < length; i++) {\n                if (formatTokenFunctions[array[i]]) {\n                    array[i] = formatTokenFunctions[array[i]];\n                } else {\n                    array[i] = removeFormattingTokens(array[i]);\n                }\n            }\n\n            return function (mom) {\n                var output = '', i;\n                for (i = 0; i < length; i++) {\n                    output += isFunction(array[i]) ? array[i].call(mom, format) : array[i];\n                }\n                return output;\n            };\n        }\n\n// format date using native date object\n        function formatMoment(m, format) {\n            if (!m.isValid()) {\n                return m.localeData().invalidDate();\n            }\n\n            format = expandFormat(format, m.localeData());\n            formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);\n\n            return formatFunctions[format](m);\n        }\n\n        function expandFormat(format, locale) {\n            var i = 5;\n\n            function replaceLongDateFormatTokens(input) {\n                return locale.longDateFormat(input) || input;\n            }\n\n            localFormattingTokens.lastIndex = 0;\n            while (i >= 0 && localFormattingTokens.test(format)) {\n                format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);\n                localFormattingTokens.lastIndex = 0;\n                i -= 1;\n            }\n\n            return format;\n        }\n\n        var match1         = /\\d/;            //       0 - 9\n        var match2         = /\\d\\d/;          //      00 - 99\n        var match3         = /\\d{3}/;         //     000 - 999\n        var match4         = /\\d{4}/;         //    0000 - 9999\n        var match6         = /[+-]?\\d{6}/;    // -999999 - 999999\n        var match1to2      = /\\d\\d?/;         //       0 - 99\n        var match3to4      = /\\d\\d\\d\\d?/;     //     999 - 9999\n        var match5to6      = /\\d\\d\\d\\d\\d\\d?/; //   99999 - 999999\n        var match1to3      = /\\d{1,3}/;       //       0 - 999\n        var match1to4      = /\\d{1,4}/;       //       0 - 9999\n        var match1to6      = /[+-]?\\d{1,6}/;  // -999999 - 999999\n\n        var matchUnsigned  = /\\d+/;           //       0 - inf\n        var matchSigned    = /[+-]?\\d+/;      //    -inf - inf\n\n        var matchOffset    = /Z|[+-]\\d\\d:?\\d\\d/gi; // +00:00 -00:00 +0000 -0000 or Z\n        var matchShortOffset = /Z|[+-]\\d\\d(?::?\\d\\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z\n\n        var matchTimestamp = /[+-]?\\d+(\\.\\d{1,3})?/; // 123456789 123456789.123\n\n// any word (or two) characters or numbers including two/three word month in arabic.\n// includes scottish gaelic two word and hyphenated months\n        var matchWord = /[0-9]*['a-z\\u00A0-\\u05FF\\u0700-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]+|[\\u0600-\\u06FF\\/]+(\\s*?[\\u0600-\\u06FF]+){1,2}/i;\n\n\n        var regexes = {};\n\n        function addRegexToken (token, regex, strictRegex) {\n            regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {\n                return (isStrict && strictRegex) ? strictRegex : regex;\n            };\n        }\n\n        function getParseRegexForToken (token, config) {\n            if (!hasOwnProp(regexes, token)) {\n                return new RegExp(unescapeFormat(token));\n            }\n\n            return regexes[token](config._strict, config._locale);\n        }\n\n// Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript\n        function unescapeFormat(s) {\n            return regexEscape(s.replace('\\\\', '').replace(/\\\\(\\[)|\\\\(\\])|\\[([^\\]\\[]*)\\]|\\\\(.)/g, function (matched, p1, p2, p3, p4) {\n                return p1 || p2 || p3 || p4;\n            }));\n        }\n\n        function regexEscape(s) {\n            return s.replace(/[-\\/\\\\^$*+?.()|[\\]{}]/g, '\\\\$&');\n        }\n\n        var tokens = {};\n\n        function addParseToken (token, callback) {\n            var i, func = callback;\n            if (typeof token === 'string') {\n                token = [token];\n            }\n            if (isNumber(callback)) {\n                func = function (input, array) {\n                    array[callback] = toInt(input);\n                };\n            }\n            for (i = 0; i < token.length; i++) {\n                tokens[token[i]] = func;\n            }\n        }\n\n        function addWeekParseToken (token, callback) {\n            addParseToken(token, function (input, array, config, token) {\n                config._w = config._w || {};\n                callback(input, config._w, config, token);\n            });\n        }\n\n        function addTimeToArrayFromToken(token, input, config) {\n            if (input != null && hasOwnProp(tokens, token)) {\n                tokens[token](input, config._a, config, token);\n            }\n        }\n\n        var YEAR = 0;\n        var MONTH = 1;\n        var DATE = 2;\n        var HOUR = 3;\n        var MINUTE = 4;\n        var SECOND = 5;\n        var MILLISECOND = 6;\n        var WEEK = 7;\n        var WEEKDAY = 8;\n\n        var indexOf;\n\n        if (Array.prototype.indexOf) {\n            indexOf = Array.prototype.indexOf;\n        } else {\n            indexOf = function (o) {\n                // I know\n                var i;\n                for (i = 0; i < this.length; ++i) {\n                    if (this[i] === o) {\n                        return i;\n                    }\n                }\n                return -1;\n            };\n        }\n\n        var indexOf$1 = indexOf;\n\n        function daysInMonth(year, month) {\n            return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();\n        }\n\n// FORMATTING\n\n        addFormatToken('M', ['MM', 2], 'Mo', function () {\n            return this.month() + 1;\n        });\n\n        addFormatToken('MMM', 0, 0, function (format) {\n            return this.localeData().monthsShort(this, format);\n        });\n\n        addFormatToken('MMMM', 0, 0, function (format) {\n            return this.localeData().months(this, format);\n        });\n\n// ALIASES\n\n        addUnitAlias('month', 'M');\n\n// PRIORITY\n\n        addUnitPriority('month', 8);\n\n// PARSING\n\n        addRegexToken('M',    match1to2);\n        addRegexToken('MM',   match1to2, match2);\n        addRegexToken('MMM',  function (isStrict, locale) {\n            return locale.monthsShortRegex(isStrict);\n        });\n        addRegexToken('MMMM', function (isStrict, locale) {\n            return locale.monthsRegex(isStrict);\n        });\n\n        addParseToken(['M', 'MM'], function (input, array) {\n            array[MONTH] = toInt(input) - 1;\n        });\n\n        addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {\n            var month = config._locale.monthsParse(input, token, config._strict);\n            // if we didn't find a month name, mark the date as invalid.\n            if (month != null) {\n                array[MONTH] = month;\n            } else {\n                getParsingFlags(config).invalidMonth = input;\n            }\n        });\n\n// LOCALES\n\n        var MONTHS_IN_FORMAT = /D[oD]?(\\[[^\\[\\]]*\\]|\\s)+MMMM?/;\n        var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');\n        function localeMonths (m, format) {\n            if (!m) {\n                return isArray(this._months) ? this._months :\n                    this._months['standalone'];\n            }\n            return isArray(this._months) ? this._months[m.month()] :\n                this._months[(this._months.isFormat || MONTHS_IN_FORMAT).test(format) ? 'format' : 'standalone'][m.month()];\n        }\n\n        var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');\n        function localeMonthsShort (m, format) {\n            if (!m) {\n                return isArray(this._monthsShort) ? this._monthsShort :\n                    this._monthsShort['standalone'];\n            }\n            return isArray(this._monthsShort) ? this._monthsShort[m.month()] :\n                this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];\n        }\n\n        function handleStrictParse(monthName, format, strict) {\n            var i, ii, mom, llc = monthName.toLocaleLowerCase();\n            if (!this._monthsParse) {\n                // this is not used\n                this._monthsParse = [];\n                this._longMonthsParse = [];\n                this._shortMonthsParse = [];\n                for (i = 0; i < 12; ++i) {\n                    mom = createUTC([2000, i]);\n                    this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();\n                    this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();\n                }\n            }\n\n            if (strict) {\n                if (format === 'MMM') {\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            } else {\n                if (format === 'MMM') {\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._longMonthsParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortMonthsParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            }\n        }\n\n        function localeMonthsParse (monthName, format, strict) {\n            var i, mom, regex;\n\n            if (this._monthsParseExact) {\n                return handleStrictParse.call(this, monthName, format, strict);\n            }\n\n            if (!this._monthsParse) {\n                this._monthsParse = [];\n                this._longMonthsParse = [];\n                this._shortMonthsParse = [];\n            }\n\n            // TODO: add sorting\n            // Sorting makes sure if one month (or abbr) is a prefix of another\n            // see sorting in computeMonthsParse\n            for (i = 0; i < 12; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, i]);\n                if (strict && !this._longMonthsParse[i]) {\n                    this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');\n                    this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');\n                }\n                if (!strict && !this._monthsParse[i]) {\n                    regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');\n                    this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');\n                }\n                // test the regex\n                if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {\n                    return i;\n                } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {\n                    return i;\n                } else if (!strict && this._monthsParse[i].test(monthName)) {\n                    return i;\n                }\n            }\n        }\n\n// MOMENTS\n\n        function setMonth (mom, value) {\n            var dayOfMonth;\n\n            if (!mom.isValid()) {\n                // No op\n                return mom;\n            }\n\n            if (typeof value === 'string') {\n                if (/^\\d+$/.test(value)) {\n                    value = toInt(value);\n                } else {\n                    value = mom.localeData().monthsParse(value);\n                    // TODO: Another silent failure?\n                    if (!isNumber(value)) {\n                        return mom;\n                    }\n                }\n            }\n\n            dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));\n            mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);\n            return mom;\n        }\n\n        function getSetMonth (value) {\n            if (value != null) {\n                setMonth(this, value);\n                hooks.updateOffset(this, true);\n                return this;\n            } else {\n                return get(this, 'Month');\n            }\n        }\n\n        function getDaysInMonth () {\n            return daysInMonth(this.year(), this.month());\n        }\n\n        var defaultMonthsShortRegex = matchWord;\n        function monthsShortRegex (isStrict) {\n            if (this._monthsParseExact) {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    computeMonthsParse.call(this);\n                }\n                if (isStrict) {\n                    return this._monthsShortStrictRegex;\n                } else {\n                    return this._monthsShortRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_monthsShortRegex')) {\n                    this._monthsShortRegex = defaultMonthsShortRegex;\n                }\n                return this._monthsShortStrictRegex && isStrict ?\n                    this._monthsShortStrictRegex : this._monthsShortRegex;\n            }\n        }\n\n        var defaultMonthsRegex = matchWord;\n        function monthsRegex (isStrict) {\n            if (this._monthsParseExact) {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    computeMonthsParse.call(this);\n                }\n                if (isStrict) {\n                    return this._monthsStrictRegex;\n                } else {\n                    return this._monthsRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_monthsRegex')) {\n                    this._monthsRegex = defaultMonthsRegex;\n                }\n                return this._monthsStrictRegex && isStrict ?\n                    this._monthsStrictRegex : this._monthsRegex;\n            }\n        }\n\n        function computeMonthsParse () {\n            function cmpLenRev(a, b) {\n                return b.length - a.length;\n            }\n\n            var shortPieces = [], longPieces = [], mixedPieces = [],\n                i, mom;\n            for (i = 0; i < 12; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, i]);\n                shortPieces.push(this.monthsShort(mom, ''));\n                longPieces.push(this.months(mom, ''));\n                mixedPieces.push(this.months(mom, ''));\n                mixedPieces.push(this.monthsShort(mom, ''));\n            }\n            // Sorting makes sure if one month (or abbr) is a prefix of another it\n            // will match the longer piece.\n            shortPieces.sort(cmpLenRev);\n            longPieces.sort(cmpLenRev);\n            mixedPieces.sort(cmpLenRev);\n            for (i = 0; i < 12; i++) {\n                shortPieces[i] = regexEscape(shortPieces[i]);\n                longPieces[i] = regexEscape(longPieces[i]);\n            }\n            for (i = 0; i < 24; i++) {\n                mixedPieces[i] = regexEscape(mixedPieces[i]);\n            }\n\n            this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n            this._monthsShortRegex = this._monthsRegex;\n            this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n            this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n        }\n\n// FORMATTING\n\n        addFormatToken('Y', 0, 0, function () {\n            var y = this.year();\n            return y <= 9999 ? '' + y : '+' + y;\n        });\n\n        addFormatToken(0, ['YY', 2], 0, function () {\n            return this.year() % 100;\n        });\n\n        addFormatToken(0, ['YYYY',   4],       0, 'year');\n        addFormatToken(0, ['YYYYY',  5],       0, 'year');\n        addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');\n\n// ALIASES\n\n        addUnitAlias('year', 'y');\n\n// PRIORITIES\n\n        addUnitPriority('year', 1);\n\n// PARSING\n\n        addRegexToken('Y',      matchSigned);\n        addRegexToken('YY',     match1to2, match2);\n        addRegexToken('YYYY',   match1to4, match4);\n        addRegexToken('YYYYY',  match1to6, match6);\n        addRegexToken('YYYYYY', match1to6, match6);\n\n        addParseToken(['YYYYY', 'YYYYYY'], YEAR);\n        addParseToken('YYYY', function (input, array) {\n            array[YEAR] = input.length === 2 ? hooks.parseTwoDigitYear(input) : toInt(input);\n        });\n        addParseToken('YY', function (input, array) {\n            array[YEAR] = hooks.parseTwoDigitYear(input);\n        });\n        addParseToken('Y', function (input, array) {\n            array[YEAR] = parseInt(input, 10);\n        });\n\n// HELPERS\n\n        function daysInYear(year) {\n            return isLeapYear(year) ? 366 : 365;\n        }\n\n        function isLeapYear(year) {\n            return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;\n        }\n\n// HOOKS\n\n        hooks.parseTwoDigitYear = function (input) {\n            return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);\n        };\n\n// MOMENTS\n\n        var getSetYear = makeGetSet('FullYear', true);\n\n        function getIsLeapYear () {\n            return isLeapYear(this.year());\n        }\n\n        function createDate (y, m, d, h, M, s, ms) {\n            // can't just apply() to create a date:\n            // https://stackoverflow.com/q/181348\n            var date = new Date(y, m, d, h, M, s, ms);\n\n            // the date constructor remaps years 0-99 to 1900-1999\n            if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {\n                date.setFullYear(y);\n            }\n            return date;\n        }\n\n        function createUTCDate (y) {\n            var date = new Date(Date.UTC.apply(null, arguments));\n\n            // the Date.UTC function remaps years 0-99 to 1900-1999\n            if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {\n                date.setUTCFullYear(y);\n            }\n            return date;\n        }\n\n// start-of-first-week - start-of-year\n        function firstWeekOffset(year, dow, doy) {\n            var // first-week day -- which january is always in the first week (4 for iso, 1 for other)\n                fwd = 7 + dow - doy,\n                // first-week day local weekday -- which local weekday is fwd\n                fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;\n\n            return -fwdlw + fwd - 1;\n        }\n\n// https://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday\n        function dayOfYearFromWeeks(year, week, weekday, dow, doy) {\n            var localWeekday = (7 + weekday - dow) % 7,\n                weekOffset = firstWeekOffset(year, dow, doy),\n                dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,\n                resYear, resDayOfYear;\n\n            if (dayOfYear <= 0) {\n                resYear = year - 1;\n                resDayOfYear = daysInYear(resYear) + dayOfYear;\n            } else if (dayOfYear > daysInYear(year)) {\n                resYear = year + 1;\n                resDayOfYear = dayOfYear - daysInYear(year);\n            } else {\n                resYear = year;\n                resDayOfYear = dayOfYear;\n            }\n\n            return {\n                year: resYear,\n                dayOfYear: resDayOfYear\n            };\n        }\n\n        function weekOfYear(mom, dow, doy) {\n            var weekOffset = firstWeekOffset(mom.year(), dow, doy),\n                week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,\n                resWeek, resYear;\n\n            if (week < 1) {\n                resYear = mom.year() - 1;\n                resWeek = week + weeksInYear(resYear, dow, doy);\n            } else if (week > weeksInYear(mom.year(), dow, doy)) {\n                resWeek = week - weeksInYear(mom.year(), dow, doy);\n                resYear = mom.year() + 1;\n            } else {\n                resYear = mom.year();\n                resWeek = week;\n            }\n\n            return {\n                week: resWeek,\n                year: resYear\n            };\n        }\n\n        function weeksInYear(year, dow, doy) {\n            var weekOffset = firstWeekOffset(year, dow, doy),\n                weekOffsetNext = firstWeekOffset(year + 1, dow, doy);\n            return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;\n        }\n\n// FORMATTING\n\n        addFormatToken('w', ['ww', 2], 'wo', 'week');\n        addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');\n\n// ALIASES\n\n        addUnitAlias('week', 'w');\n        addUnitAlias('isoWeek', 'W');\n\n// PRIORITIES\n\n        addUnitPriority('week', 5);\n        addUnitPriority('isoWeek', 5);\n\n// PARSING\n\n        addRegexToken('w',  match1to2);\n        addRegexToken('ww', match1to2, match2);\n        addRegexToken('W',  match1to2);\n        addRegexToken('WW', match1to2, match2);\n\n        addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {\n            week[token.substr(0, 1)] = toInt(input);\n        });\n\n// HELPERS\n\n// LOCALES\n\n        function localeWeek (mom) {\n            return weekOfYear(mom, this._week.dow, this._week.doy).week;\n        }\n\n        var defaultLocaleWeek = {\n            dow : 0, // Sunday is the first day of the week.\n            doy : 6  // The week that contains Jan 1st is the first week of the year.\n        };\n\n        function localeFirstDayOfWeek () {\n            return this._week.dow;\n        }\n\n        function localeFirstDayOfYear () {\n            return this._week.doy;\n        }\n\n// MOMENTS\n\n        function getSetWeek (input) {\n            var week = this.localeData().week(this);\n            return input == null ? week : this.add((input - week) * 7, 'd');\n        }\n\n        function getSetISOWeek (input) {\n            var week = weekOfYear(this, 1, 4).week;\n            return input == null ? week : this.add((input - week) * 7, 'd');\n        }\n\n// FORMATTING\n\n        addFormatToken('d', 0, 'do', 'day');\n\n        addFormatToken('dd', 0, 0, function (format) {\n            return this.localeData().weekdaysMin(this, format);\n        });\n\n        addFormatToken('ddd', 0, 0, function (format) {\n            return this.localeData().weekdaysShort(this, format);\n        });\n\n        addFormatToken('dddd', 0, 0, function (format) {\n            return this.localeData().weekdays(this, format);\n        });\n\n        addFormatToken('e', 0, 0, 'weekday');\n        addFormatToken('E', 0, 0, 'isoWeekday');\n\n// ALIASES\n\n        addUnitAlias('day', 'd');\n        addUnitAlias('weekday', 'e');\n        addUnitAlias('isoWeekday', 'E');\n\n// PRIORITY\n        addUnitPriority('day', 11);\n        addUnitPriority('weekday', 11);\n        addUnitPriority('isoWeekday', 11);\n\n// PARSING\n\n        addRegexToken('d',    match1to2);\n        addRegexToken('e',    match1to2);\n        addRegexToken('E',    match1to2);\n        addRegexToken('dd',   function (isStrict, locale) {\n            return locale.weekdaysMinRegex(isStrict);\n        });\n        addRegexToken('ddd',   function (isStrict, locale) {\n            return locale.weekdaysShortRegex(isStrict);\n        });\n        addRegexToken('dddd',   function (isStrict, locale) {\n            return locale.weekdaysRegex(isStrict);\n        });\n\n        addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {\n            var weekday = config._locale.weekdaysParse(input, token, config._strict);\n            // if we didn't get a weekday name, mark the date as invalid\n            if (weekday != null) {\n                week.d = weekday;\n            } else {\n                getParsingFlags(config).invalidWeekday = input;\n            }\n        });\n\n        addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {\n            week[token] = toInt(input);\n        });\n\n// HELPERS\n\n        function parseWeekday(input, locale) {\n            if (typeof input !== 'string') {\n                return input;\n            }\n\n            if (!isNaN(input)) {\n                return parseInt(input, 10);\n            }\n\n            input = locale.weekdaysParse(input);\n            if (typeof input === 'number') {\n                return input;\n            }\n\n            return null;\n        }\n\n        function parseIsoWeekday(input, locale) {\n            if (typeof input === 'string') {\n                return locale.weekdaysParse(input) % 7 || 7;\n            }\n            return isNaN(input) ? null : input;\n        }\n\n// LOCALES\n\n        var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');\n        function localeWeekdays (m, format) {\n            if (!m) {\n                return isArray(this._weekdays) ? this._weekdays :\n                    this._weekdays['standalone'];\n            }\n            return isArray(this._weekdays) ? this._weekdays[m.day()] :\n                this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];\n        }\n\n        var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');\n        function localeWeekdaysShort (m) {\n            return (m) ? this._weekdaysShort[m.day()] : this._weekdaysShort;\n        }\n\n        var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');\n        function localeWeekdaysMin (m) {\n            return (m) ? this._weekdaysMin[m.day()] : this._weekdaysMin;\n        }\n\n        function handleStrictParse$1(weekdayName, format, strict) {\n            var i, ii, mom, llc = weekdayName.toLocaleLowerCase();\n            if (!this._weekdaysParse) {\n                this._weekdaysParse = [];\n                this._shortWeekdaysParse = [];\n                this._minWeekdaysParse = [];\n\n                for (i = 0; i < 7; ++i) {\n                    mom = createUTC([2000, 1]).day(i);\n                    this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();\n                    this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();\n                    this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();\n                }\n            }\n\n            if (strict) {\n                if (format === 'dddd') {\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else if (format === 'ddd') {\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            } else {\n                if (format === 'dddd') {\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else if (format === 'ddd') {\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                } else {\n                    ii = indexOf$1.call(this._minWeekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._weekdaysParse, llc);\n                    if (ii !== -1) {\n                        return ii;\n                    }\n                    ii = indexOf$1.call(this._shortWeekdaysParse, llc);\n                    return ii !== -1 ? ii : null;\n                }\n            }\n        }\n\n        function localeWeekdaysParse (weekdayName, format, strict) {\n            var i, mom, regex;\n\n            if (this._weekdaysParseExact) {\n                return handleStrictParse$1.call(this, weekdayName, format, strict);\n            }\n\n            if (!this._weekdaysParse) {\n                this._weekdaysParse = [];\n                this._minWeekdaysParse = [];\n                this._shortWeekdaysParse = [];\n                this._fullWeekdaysParse = [];\n            }\n\n            for (i = 0; i < 7; i++) {\n                // make the regex if we don't have it already\n\n                mom = createUTC([2000, 1]).day(i);\n                if (strict && !this._fullWeekdaysParse[i]) {\n                    this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\\.?') + '$', 'i');\n                    this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\\.?') + '$', 'i');\n                    this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\\.?') + '$', 'i');\n                }\n                if (!this._weekdaysParse[i]) {\n                    regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');\n                    this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');\n                }\n                // test the regex\n                if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {\n                    return i;\n                } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {\n                    return i;\n                }\n            }\n        }\n\n// MOMENTS\n\n        function getSetDayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();\n            if (input != null) {\n                input = parseWeekday(input, this.localeData());\n                return this.add(input - day, 'd');\n            } else {\n                return day;\n            }\n        }\n\n        function getSetLocaleDayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;\n            return input == null ? weekday : this.add(input - weekday, 'd');\n        }\n\n        function getSetISODayOfWeek (input) {\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n\n            // behaves the same as moment#day except\n            // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)\n            // as a setter, sunday should belong to the previous week.\n\n            if (input != null) {\n                var weekday = parseIsoWeekday(input, this.localeData());\n                return this.day(this.day() % 7 ? weekday : weekday - 7);\n            } else {\n                return this.day() || 7;\n            }\n        }\n\n        var defaultWeekdaysRegex = matchWord;\n        function weekdaysRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysStrictRegex;\n                } else {\n                    return this._weekdaysRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    this._weekdaysRegex = defaultWeekdaysRegex;\n                }\n                return this._weekdaysStrictRegex && isStrict ?\n                    this._weekdaysStrictRegex : this._weekdaysRegex;\n            }\n        }\n\n        var defaultWeekdaysShortRegex = matchWord;\n        function weekdaysShortRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysShortStrictRegex;\n                } else {\n                    return this._weekdaysShortRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysShortRegex')) {\n                    this._weekdaysShortRegex = defaultWeekdaysShortRegex;\n                }\n                return this._weekdaysShortStrictRegex && isStrict ?\n                    this._weekdaysShortStrictRegex : this._weekdaysShortRegex;\n            }\n        }\n\n        var defaultWeekdaysMinRegex = matchWord;\n        function weekdaysMinRegex (isStrict) {\n            if (this._weekdaysParseExact) {\n                if (!hasOwnProp(this, '_weekdaysRegex')) {\n                    computeWeekdaysParse.call(this);\n                }\n                if (isStrict) {\n                    return this._weekdaysMinStrictRegex;\n                } else {\n                    return this._weekdaysMinRegex;\n                }\n            } else {\n                if (!hasOwnProp(this, '_weekdaysMinRegex')) {\n                    this._weekdaysMinRegex = defaultWeekdaysMinRegex;\n                }\n                return this._weekdaysMinStrictRegex && isStrict ?\n                    this._weekdaysMinStrictRegex : this._weekdaysMinRegex;\n            }\n        }\n\n\n        function computeWeekdaysParse () {\n            function cmpLenRev(a, b) {\n                return b.length - a.length;\n            }\n\n            var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],\n                i, mom, minp, shortp, longp;\n            for (i = 0; i < 7; i++) {\n                // make the regex if we don't have it already\n                mom = createUTC([2000, 1]).day(i);\n                minp = this.weekdaysMin(mom, '');\n                shortp = this.weekdaysShort(mom, '');\n                longp = this.weekdays(mom, '');\n                minPieces.push(minp);\n                shortPieces.push(shortp);\n                longPieces.push(longp);\n                mixedPieces.push(minp);\n                mixedPieces.push(shortp);\n                mixedPieces.push(longp);\n            }\n            // Sorting makes sure if one weekday (or abbr) is a prefix of another it\n            // will match the longer piece.\n            minPieces.sort(cmpLenRev);\n            shortPieces.sort(cmpLenRev);\n            longPieces.sort(cmpLenRev);\n            mixedPieces.sort(cmpLenRev);\n            for (i = 0; i < 7; i++) {\n                shortPieces[i] = regexEscape(shortPieces[i]);\n                longPieces[i] = regexEscape(longPieces[i]);\n                mixedPieces[i] = regexEscape(mixedPieces[i]);\n            }\n\n            this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');\n            this._weekdaysShortRegex = this._weekdaysRegex;\n            this._weekdaysMinRegex = this._weekdaysRegex;\n\n            this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');\n            this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');\n            this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');\n        }\n\n// FORMATTING\n\n        function hFormat() {\n            return this.hours() % 12 || 12;\n        }\n\n        function kFormat() {\n            return this.hours() || 24;\n        }\n\n        addFormatToken('H', ['HH', 2], 0, 'hour');\n        addFormatToken('h', ['hh', 2], 0, hFormat);\n        addFormatToken('k', ['kk', 2], 0, kFormat);\n\n        addFormatToken('hmm', 0, 0, function () {\n            return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);\n        });\n\n        addFormatToken('hmmss', 0, 0, function () {\n            return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +\n                zeroFill(this.seconds(), 2);\n        });\n\n        addFormatToken('Hmm', 0, 0, function () {\n            return '' + this.hours() + zeroFill(this.minutes(), 2);\n        });\n\n        addFormatToken('Hmmss', 0, 0, function () {\n            return '' + this.hours() + zeroFill(this.minutes(), 2) +\n                zeroFill(this.seconds(), 2);\n        });\n\n        function meridiem (token, lowercase) {\n            addFormatToken(token, 0, 0, function () {\n                return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);\n            });\n        }\n\n        meridiem('a', true);\n        meridiem('A', false);\n\n// ALIASES\n\n        addUnitAlias('hour', 'h');\n\n// PRIORITY\n        addUnitPriority('hour', 13);\n\n// PARSING\n\n        function matchMeridiem (isStrict, locale) {\n            return locale._meridiemParse;\n        }\n\n        addRegexToken('a',  matchMeridiem);\n        addRegexToken('A',  matchMeridiem);\n        addRegexToken('H',  match1to2);\n        addRegexToken('h',  match1to2);\n        addRegexToken('k',  match1to2);\n        addRegexToken('HH', match1to2, match2);\n        addRegexToken('hh', match1to2, match2);\n        addRegexToken('kk', match1to2, match2);\n\n        addRegexToken('hmm', match3to4);\n        addRegexToken('hmmss', match5to6);\n        addRegexToken('Hmm', match3to4);\n        addRegexToken('Hmmss', match5to6);\n\n        addParseToken(['H', 'HH'], HOUR);\n        addParseToken(['k', 'kk'], function (input, array, config) {\n            var kInput = toInt(input);\n            array[HOUR] = kInput === 24 ? 0 : kInput;\n        });\n        addParseToken(['a', 'A'], function (input, array, config) {\n            config._isPm = config._locale.isPM(input);\n            config._meridiem = input;\n        });\n        addParseToken(['h', 'hh'], function (input, array, config) {\n            array[HOUR] = toInt(input);\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('hmm', function (input, array, config) {\n            var pos = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos));\n            array[MINUTE] = toInt(input.substr(pos));\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('hmmss', function (input, array, config) {\n            var pos1 = input.length - 4;\n            var pos2 = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos1));\n            array[MINUTE] = toInt(input.substr(pos1, 2));\n            array[SECOND] = toInt(input.substr(pos2));\n            getParsingFlags(config).bigHour = true;\n        });\n        addParseToken('Hmm', function (input, array, config) {\n            var pos = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos));\n            array[MINUTE] = toInt(input.substr(pos));\n        });\n        addParseToken('Hmmss', function (input, array, config) {\n            var pos1 = input.length - 4;\n            var pos2 = input.length - 2;\n            array[HOUR] = toInt(input.substr(0, pos1));\n            array[MINUTE] = toInt(input.substr(pos1, 2));\n            array[SECOND] = toInt(input.substr(pos2));\n        });\n\n// LOCALES\n\n        function localeIsPM (input) {\n            // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays\n            // Using charAt should be more compatible.\n            return ((input + '').toLowerCase().charAt(0) === 'p');\n        }\n\n        var defaultLocaleMeridiemParse = /[ap]\\.?m?\\.?/i;\n        function localeMeridiem (hours, minutes, isLower) {\n            if (hours > 11) {\n                return isLower ? 'pm' : 'PM';\n            } else {\n                return isLower ? 'am' : 'AM';\n            }\n        }\n\n\n// MOMENTS\n\n// Setting the hour should keep the time, because the user explicitly\n// specified which hour he wants. So trying to maintain the same hour (in\n// a new timezone) makes sense. Adding/subtracting hours does not follow\n// this rule.\n        var getSetHour = makeGetSet('Hours', true);\n\n// months\n// week\n// weekdays\n// meridiem\n        var baseConfig = {\n            calendar: defaultCalendar,\n            longDateFormat: defaultLongDateFormat,\n            invalidDate: defaultInvalidDate,\n            ordinal: defaultOrdinal,\n            dayOfMonthOrdinalParse: defaultDayOfMonthOrdinalParse,\n            relativeTime: defaultRelativeTime,\n\n            months: defaultLocaleMonths,\n            monthsShort: defaultLocaleMonthsShort,\n\n            week: defaultLocaleWeek,\n\n            weekdays: defaultLocaleWeekdays,\n            weekdaysMin: defaultLocaleWeekdaysMin,\n            weekdaysShort: defaultLocaleWeekdaysShort,\n\n            meridiemParse: defaultLocaleMeridiemParse\n        };\n\n// internal storage for locale config files\n        var locales = {};\n        var localeFamilies = {};\n        var globalLocale;\n\n        function normalizeLocale(key) {\n            return key ? key.toLowerCase().replace('_', '-') : key;\n        }\n\n// pick the locale from the array\n// try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each\n// substring from most specific to least, but move to the next array item if it's a more specific variant than the current root\n        function chooseLocale(names) {\n            var i = 0, j, next, locale, split;\n\n            while (i < names.length) {\n                split = normalizeLocale(names[i]).split('-');\n                j = split.length;\n                next = normalizeLocale(names[i + 1]);\n                next = next ? next.split('-') : null;\n                while (j > 0) {\n                    locale = loadLocale(split.slice(0, j).join('-'));\n                    if (locale) {\n                        return locale;\n                    }\n                    if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {\n                        //the next array item is better than a shallower substring of this one\n                        break;\n                    }\n                    j--;\n                }\n                i++;\n            }\n            return null;\n        }\n\n        function loadLocale(name) {\n            var oldLocale = null;\n            // TODO: Find a better way to register and load all the locales in Node\n            if (!locales[name] && (typeof module !== 'undefined') &&\n                module && module.exports) {\n                try {\n                    oldLocale = globalLocale._abbr;\n                    require('./locale/' + name);\n                    // because defineLocale currently also sets the global locale, we\n                    // want to undo that for lazy loaded locales\n                    getSetGlobalLocale(oldLocale);\n                } catch (e) { }\n            }\n            return locales[name];\n        }\n\n// This function will load locale and then set the global locale.  If\n// no arguments are passed in, it will simply return the current global\n// locale key.\n        function getSetGlobalLocale (key, values) {\n            var data;\n            if (key) {\n                if (isUndefined(values)) {\n                    data = getLocale(key);\n                }\n                else {\n                    data = defineLocale(key, values);\n                }\n\n                if (data) {\n                    // moment.duration._locale = moment._locale = data;\n                    globalLocale = data;\n                }\n            }\n\n            return globalLocale._abbr;\n        }\n\n        function defineLocale (name, config) {\n            if (config !== null) {\n                var parentConfig = baseConfig;\n                config.abbr = name;\n                if (locales[name] != null) {\n                    deprecateSimple('defineLocaleOverride',\n                        'use moment.updateLocale(localeName, config) to change ' +\n                        'an existing locale. moment.defineLocale(localeName, ' +\n                        'config) should only be used for creating a new locale ' +\n                        'See http://momentjs.com/guides/#/warnings/define-locale/ for more info.');\n                    parentConfig = locales[name]._config;\n                } else if (config.parentLocale != null) {\n                    if (locales[config.parentLocale] != null) {\n                        parentConfig = locales[config.parentLocale]._config;\n                    } else {\n                        if (!localeFamilies[config.parentLocale]) {\n                            localeFamilies[config.parentLocale] = [];\n                        }\n                        localeFamilies[config.parentLocale].push({\n                            name: name,\n                            config: config\n                        });\n                        return null;\n                    }\n                }\n                locales[name] = new Locale(mergeConfigs(parentConfig, config));\n\n                if (localeFamilies[name]) {\n                    localeFamilies[name].forEach(function (x) {\n                        defineLocale(x.name, x.config);\n                    });\n                }\n\n                // backwards compat for now: also set the locale\n                // make sure we set the locale AFTER all child locales have been\n                // created, so we won't end up with the child locale set.\n                getSetGlobalLocale(name);\n\n\n                return locales[name];\n            } else {\n                // useful for testing\n                delete locales[name];\n                return null;\n            }\n        }\n\n        function updateLocale(name, config) {\n            if (config != null) {\n                var locale, parentConfig = baseConfig;\n                // MERGE\n                if (locales[name] != null) {\n                    parentConfig = locales[name]._config;\n                }\n                config = mergeConfigs(parentConfig, config);\n                locale = new Locale(config);\n                locale.parentLocale = locales[name];\n                locales[name] = locale;\n\n                // backwards compat for now: also set the locale\n                getSetGlobalLocale(name);\n            } else {\n                // pass null for config to unupdate, useful for tests\n                if (locales[name] != null) {\n                    if (locales[name].parentLocale != null) {\n                        locales[name] = locales[name].parentLocale;\n                    } else if (locales[name] != null) {\n                        delete locales[name];\n                    }\n                }\n            }\n            return locales[name];\n        }\n\n// returns locale data\n        function getLocale (key) {\n            var locale;\n\n            if (key && key._locale && key._locale._abbr) {\n                key = key._locale._abbr;\n            }\n\n            if (!key) {\n                return globalLocale;\n            }\n\n            if (!isArray(key)) {\n                //short-circuit everything else\n                locale = loadLocale(key);\n                if (locale) {\n                    return locale;\n                }\n                key = [key];\n            }\n\n            return chooseLocale(key);\n        }\n\n        function listLocales() {\n            return keys$1(locales);\n        }\n\n        function checkOverflow (m) {\n            var overflow;\n            var a = m._a;\n\n            if (a && getParsingFlags(m).overflow === -2) {\n                overflow =\n                    a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :\n                        a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :\n                            a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :\n                                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :\n                                    a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :\n                                        a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :\n                                            -1;\n\n                if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {\n                    overflow = DATE;\n                }\n                if (getParsingFlags(m)._overflowWeeks && overflow === -1) {\n                    overflow = WEEK;\n                }\n                if (getParsingFlags(m)._overflowWeekday && overflow === -1) {\n                    overflow = WEEKDAY;\n                }\n\n                getParsingFlags(m).overflow = overflow;\n            }\n\n            return m;\n        }\n\n// iso 8601 regex\n// 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)\n        var extendedIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})-(?:\\d\\d-\\d\\d|W\\d\\d-\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?::\\d\\d(?::\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n        var basicIsoRegex = /^\\s*((?:[+-]\\d{6}|\\d{4})(?:\\d\\d\\d\\d|W\\d\\d\\d|W\\d\\d|\\d\\d\\d|\\d\\d))(?:(T| )(\\d\\d(?:\\d\\d(?:\\d\\d(?:[.,]\\d+)?)?)?)([\\+\\-]\\d\\d(?::?\\d\\d)?|\\s*Z)?)?$/;\n\n        var tzRegex = /Z|[+-]\\d\\d(?::?\\d\\d)?/;\n\n        var isoDates = [\n            ['YYYYYY-MM-DD', /[+-]\\d{6}-\\d\\d-\\d\\d/],\n            ['YYYY-MM-DD', /\\d{4}-\\d\\d-\\d\\d/],\n            ['GGGG-[W]WW-E', /\\d{4}-W\\d\\d-\\d/],\n            ['GGGG-[W]WW', /\\d{4}-W\\d\\d/, false],\n            ['YYYY-DDD', /\\d{4}-\\d{3}/],\n            ['YYYY-MM', /\\d{4}-\\d\\d/, false],\n            ['YYYYYYMMDD', /[+-]\\d{10}/],\n            ['YYYYMMDD', /\\d{8}/],\n            // YYYYMM is NOT allowed by the standard\n            ['GGGG[W]WWE', /\\d{4}W\\d{3}/],\n            ['GGGG[W]WW', /\\d{4}W\\d{2}/, false],\n            ['YYYYDDD', /\\d{7}/]\n        ];\n\n// iso time formats and regexes\n        var isoTimes = [\n            ['HH:mm:ss.SSSS', /\\d\\d:\\d\\d:\\d\\d\\.\\d+/],\n            ['HH:mm:ss,SSSS', /\\d\\d:\\d\\d:\\d\\d,\\d+/],\n            ['HH:mm:ss', /\\d\\d:\\d\\d:\\d\\d/],\n            ['HH:mm', /\\d\\d:\\d\\d/],\n            ['HHmmss.SSSS', /\\d\\d\\d\\d\\d\\d\\.\\d+/],\n            ['HHmmss,SSSS', /\\d\\d\\d\\d\\d\\d,\\d+/],\n            ['HHmmss', /\\d\\d\\d\\d\\d\\d/],\n            ['HHmm', /\\d\\d\\d\\d/],\n            ['HH', /\\d\\d/]\n        ];\n\n        var aspNetJsonRegex = /^\\/?Date\\((\\-?\\d+)/i;\n\n// date from iso format\n        function configFromISO(config) {\n            var i, l,\n                string = config._i,\n                match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),\n                allowTime, dateFormat, timeFormat, tzFormat;\n\n            if (match) {\n                getParsingFlags(config).iso = true;\n\n                for (i = 0, l = isoDates.length; i < l; i++) {\n                    if (isoDates[i][1].exec(match[1])) {\n                        dateFormat = isoDates[i][0];\n                        allowTime = isoDates[i][2] !== false;\n                        break;\n                    }\n                }\n                if (dateFormat == null) {\n                    config._isValid = false;\n                    return;\n                }\n                if (match[3]) {\n                    for (i = 0, l = isoTimes.length; i < l; i++) {\n                        if (isoTimes[i][1].exec(match[3])) {\n                            // match[2] should be 'T' or space\n                            timeFormat = (match[2] || ' ') + isoTimes[i][0];\n                            break;\n                        }\n                    }\n                    if (timeFormat == null) {\n                        config._isValid = false;\n                        return;\n                    }\n                }\n                if (!allowTime && timeFormat != null) {\n                    config._isValid = false;\n                    return;\n                }\n                if (match[4]) {\n                    if (tzRegex.exec(match[4])) {\n                        tzFormat = 'Z';\n                    } else {\n                        config._isValid = false;\n                        return;\n                    }\n                }\n                config._f = dateFormat + (timeFormat || '') + (tzFormat || '');\n                configFromStringAndFormat(config);\n            } else {\n                config._isValid = false;\n            }\n        }\n\n// RFC 2822 regex: For details see https://tools.ietf.org/html/rfc2822#section-3.3\n        var basicRfcRegex = /^((?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),?\\s)?(\\d?\\d\\s(?:Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s(?:\\d\\d)?\\d\\d\\s)(\\d\\d:\\d\\d)(\\:\\d\\d)?(\\s(?:UT|GMT|[ECMP][SD]T|[A-IK-Za-ik-z]|[+-]\\d{4}))$/;\n\n// date and time from ref 2822 format\n        function configFromRFC2822(config) {\n            var string, match, dayFormat,\n                dateFormat, timeFormat, tzFormat;\n            var timezones = {\n                ' GMT': ' +0000',\n                ' EDT': ' -0400',\n                ' EST': ' -0500',\n                ' CDT': ' -0500',\n                ' CST': ' -0600',\n                ' MDT': ' -0600',\n                ' MST': ' -0700',\n                ' PDT': ' -0700',\n                ' PST': ' -0800'\n            };\n            var military = 'YXWVUTSRQPONZABCDEFGHIKLM';\n            var timezone, timezoneIndex;\n\n            string = config._i\n                .replace(/\\([^\\)]*\\)|[\\n\\t]/g, ' ') // Remove comments and folding whitespace\n                .replace(/(\\s\\s+)/g, ' ') // Replace multiple-spaces with a single space\n                .replace(/^\\s|\\s$/g, ''); // Remove leading and trailing spaces\n            match = basicRfcRegex.exec(string);\n\n            if (match) {\n                dayFormat = match[1] ? 'ddd' + ((match[1].length === 5) ? ', ' : ' ') : '';\n                dateFormat = 'D MMM ' + ((match[2].length > 10) ? 'YYYY ' : 'YY ');\n                timeFormat = 'HH:mm' + (match[4] ? ':ss' : '');\n\n                // TODO: Replace the vanilla JS Date object with an indepentent day-of-week check.\n                if (match[1]) { // day of week given\n                    var momentDate = new Date(match[2]);\n                    var momentDay = ['Sun','Mon','Tue','Wed','Thu','Fri','Sat'][momentDate.getDay()];\n\n                    if (match[1].substr(0,3) !== momentDay) {\n                        getParsingFlags(config).weekdayMismatch = true;\n                        config._isValid = false;\n                        return;\n                    }\n                }\n\n                switch (match[5].length) {\n                    case 2: // military\n                        if (timezoneIndex === 0) {\n                            timezone = ' +0000';\n                        } else {\n                            timezoneIndex = military.indexOf(match[5][1].toUpperCase()) - 12;\n                            timezone = ((timezoneIndex < 0) ? ' -' : ' +') +\n                                (('' + timezoneIndex).replace(/^-?/, '0')).match(/..$/)[0] + '00';\n                        }\n                        break;\n                    case 4: // Zone\n                        timezone = timezones[match[5]];\n                        break;\n                    default: // UT or +/-9999\n                        timezone = timezones[' GMT'];\n                }\n                match[5] = timezone;\n                config._i = match.splice(1).join('');\n                tzFormat = ' ZZ';\n                config._f = dayFormat + dateFormat + timeFormat + tzFormat;\n                configFromStringAndFormat(config);\n                getParsingFlags(config).rfc2822 = true;\n            } else {\n                config._isValid = false;\n            }\n        }\n\n// date from iso format or fallback\n        function configFromString(config) {\n            var matched = aspNetJsonRegex.exec(config._i);\n\n            if (matched !== null) {\n                config._d = new Date(+matched[1]);\n                return;\n            }\n\n            configFromISO(config);\n            if (config._isValid === false) {\n                delete config._isValid;\n            } else {\n                return;\n            }\n\n            configFromRFC2822(config);\n            if (config._isValid === false) {\n                delete config._isValid;\n            } else {\n                return;\n            }\n\n            // Final attempt, use Input Fallback\n            hooks.createFromInputFallback(config);\n        }\n\n        hooks.createFromInputFallback = deprecate(\n            'value provided is not in a recognized RFC2822 or ISO format. moment construction falls back to js Date(), ' +\n            'which is not reliable across all browsers and versions. Non RFC2822/ISO date formats are ' +\n            'discouraged and will be removed in an upcoming major release. Please refer to ' +\n            'http://momentjs.com/guides/#/warnings/js-date/ for more info.',\n            function (config) {\n                config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));\n            }\n        );\n\n// Pick the first defined of two or three arguments.\n        function defaults(a, b, c) {\n            if (a != null) {\n                return a;\n            }\n            if (b != null) {\n                return b;\n            }\n            return c;\n        }\n\n        function currentDateArray(config) {\n            // hooks is actually the exported moment object\n            var nowValue = new Date(hooks.now());\n            if (config._useUTC) {\n                return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];\n            }\n            return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];\n        }\n\n// convert an array to a date.\n// the array should mirror the parameters below\n// note: all values past the year are optional and will default to the lowest possible value.\n// [year, month, day , hour, minute, second, millisecond]\n        function configFromArray (config) {\n            var i, date, input = [], currentDate, yearToUse;\n\n            if (config._d) {\n                return;\n            }\n\n            currentDate = currentDateArray(config);\n\n            //compute day of the year from weeks and weekdays\n            if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {\n                dayOfYearFromWeekInfo(config);\n            }\n\n            //if the day of the year is set, figure out what it is\n            if (config._dayOfYear != null) {\n                yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);\n\n                if (config._dayOfYear > daysInYear(yearToUse) || config._dayOfYear === 0) {\n                    getParsingFlags(config)._overflowDayOfYear = true;\n                }\n\n                date = createUTCDate(yearToUse, 0, config._dayOfYear);\n                config._a[MONTH] = date.getUTCMonth();\n                config._a[DATE] = date.getUTCDate();\n            }\n\n            // Default to current date.\n            // * if no year, month, day of month are given, default to today\n            // * if day of month is given, default month and year\n            // * if month is given, default only year\n            // * if year is given, don't default anything\n            for (i = 0; i < 3 && config._a[i] == null; ++i) {\n                config._a[i] = input[i] = currentDate[i];\n            }\n\n            // Zero out whatever was not defaulted, including time\n            for (; i < 7; i++) {\n                config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];\n            }\n\n            // Check for 24:00:00.000\n            if (config._a[HOUR] === 24 &&\n                config._a[MINUTE] === 0 &&\n                config._a[SECOND] === 0 &&\n                config._a[MILLISECOND] === 0) {\n                config._nextDay = true;\n                config._a[HOUR] = 0;\n            }\n\n            config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);\n            // Apply timezone offset from input. The actual utcOffset can be changed\n            // with parseZone.\n            if (config._tzm != null) {\n                config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);\n            }\n\n            if (config._nextDay) {\n                config._a[HOUR] = 24;\n            }\n        }\n\n        function dayOfYearFromWeekInfo(config) {\n            var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;\n\n            w = config._w;\n            if (w.GG != null || w.W != null || w.E != null) {\n                dow = 1;\n                doy = 4;\n\n                // TODO: We need to take the current isoWeekYear, but that depends on\n                // how we interpret now (local, utc, fixed offset). So create\n                // a now version of current config (take local/utc/offset flags, and\n                // create now).\n                weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(createLocal(), 1, 4).year);\n                week = defaults(w.W, 1);\n                weekday = defaults(w.E, 1);\n                if (weekday < 1 || weekday > 7) {\n                    weekdayOverflow = true;\n                }\n            } else {\n                dow = config._locale._week.dow;\n                doy = config._locale._week.doy;\n\n                var curWeek = weekOfYear(createLocal(), dow, doy);\n\n                weekYear = defaults(w.gg, config._a[YEAR], curWeek.year);\n\n                // Default to current week.\n                week = defaults(w.w, curWeek.week);\n\n                if (w.d != null) {\n                    // weekday -- low day numbers are considered next week\n                    weekday = w.d;\n                    if (weekday < 0 || weekday > 6) {\n                        weekdayOverflow = true;\n                    }\n                } else if (w.e != null) {\n                    // local weekday -- counting starts from begining of week\n                    weekday = w.e + dow;\n                    if (w.e < 0 || w.e > 6) {\n                        weekdayOverflow = true;\n                    }\n                } else {\n                    // default to begining of week\n                    weekday = dow;\n                }\n            }\n            if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {\n                getParsingFlags(config)._overflowWeeks = true;\n            } else if (weekdayOverflow != null) {\n                getParsingFlags(config)._overflowWeekday = true;\n            } else {\n                temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);\n                config._a[YEAR] = temp.year;\n                config._dayOfYear = temp.dayOfYear;\n            }\n        }\n\n// constant that refers to the ISO standard\n        hooks.ISO_8601 = function () {};\n\n// constant that refers to the RFC 2822 form\n        hooks.RFC_2822 = function () {};\n\n// date from string and format string\n        function configFromStringAndFormat(config) {\n            // TODO: Move this to another part of the creation flow to prevent circular deps\n            if (config._f === hooks.ISO_8601) {\n                configFromISO(config);\n                return;\n            }\n            if (config._f === hooks.RFC_2822) {\n                configFromRFC2822(config);\n                return;\n            }\n            config._a = [];\n            getParsingFlags(config).empty = true;\n\n            // This array is used to make a Date, either with `new Date` or `Date.UTC`\n            var string = '' + config._i,\n                i, parsedInput, tokens, token, skipped,\n                stringLength = string.length,\n                totalParsedInputLength = 0;\n\n            tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];\n\n            for (i = 0; i < tokens.length; i++) {\n                token = tokens[i];\n                parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];\n                // console.log('token', token, 'parsedInput', parsedInput,\n                //         'regex', getParseRegexForToken(token, config));\n                if (parsedInput) {\n                    skipped = string.substr(0, string.indexOf(parsedInput));\n                    if (skipped.length > 0) {\n                        getParsingFlags(config).unusedInput.push(skipped);\n                    }\n                    string = string.slice(string.indexOf(parsedInput) + parsedInput.length);\n                    totalParsedInputLength += parsedInput.length;\n                }\n                // don't parse if it's not a known token\n                if (formatTokenFunctions[token]) {\n                    if (parsedInput) {\n                        getParsingFlags(config).empty = false;\n                    }\n                    else {\n                        getParsingFlags(config).unusedTokens.push(token);\n                    }\n                    addTimeToArrayFromToken(token, parsedInput, config);\n                }\n                else if (config._strict && !parsedInput) {\n                    getParsingFlags(config).unusedTokens.push(token);\n                }\n            }\n\n            // add remaining unparsed input length to the string\n            getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;\n            if (string.length > 0) {\n                getParsingFlags(config).unusedInput.push(string);\n            }\n\n            // clear _12h flag if hour is <= 12\n            if (config._a[HOUR] <= 12 &&\n                getParsingFlags(config).bigHour === true &&\n                config._a[HOUR] > 0) {\n                getParsingFlags(config).bigHour = undefined;\n            }\n\n            getParsingFlags(config).parsedDateParts = config._a.slice(0);\n            getParsingFlags(config).meridiem = config._meridiem;\n            // handle meridiem\n            config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);\n\n            configFromArray(config);\n            checkOverflow(config);\n        }\n\n\n        function meridiemFixWrap (locale, hour, meridiem) {\n            var isPm;\n\n            if (meridiem == null) {\n                // nothing to do\n                return hour;\n            }\n            if (locale.meridiemHour != null) {\n                return locale.meridiemHour(hour, meridiem);\n            } else if (locale.isPM != null) {\n                // Fallback\n                isPm = locale.isPM(meridiem);\n                if (isPm && hour < 12) {\n                    hour += 12;\n                }\n                if (!isPm && hour === 12) {\n                    hour = 0;\n                }\n                return hour;\n            } else {\n                // this is not supposed to happen\n                return hour;\n            }\n        }\n\n// date from string and array of format strings\n        function configFromStringAndArray(config) {\n            var tempConfig,\n                bestMoment,\n\n                scoreToBeat,\n                i,\n                currentScore;\n\n            if (config._f.length === 0) {\n                getParsingFlags(config).invalidFormat = true;\n                config._d = new Date(NaN);\n                return;\n            }\n\n            for (i = 0; i < config._f.length; i++) {\n                currentScore = 0;\n                tempConfig = copyConfig({}, config);\n                if (config._useUTC != null) {\n                    tempConfig._useUTC = config._useUTC;\n                }\n                tempConfig._f = config._f[i];\n                configFromStringAndFormat(tempConfig);\n\n                if (!isValid(tempConfig)) {\n                    continue;\n                }\n\n                // if there is any input that was not parsed add a penalty for that format\n                currentScore += getParsingFlags(tempConfig).charsLeftOver;\n\n                //or tokens\n                currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;\n\n                getParsingFlags(tempConfig).score = currentScore;\n\n                if (scoreToBeat == null || currentScore < scoreToBeat) {\n                    scoreToBeat = currentScore;\n                    bestMoment = tempConfig;\n                }\n            }\n\n            extend(config, bestMoment || tempConfig);\n        }\n\n        function configFromObject(config) {\n            if (config._d) {\n                return;\n            }\n\n            var i = normalizeObjectUnits(config._i);\n            config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {\n                return obj && parseInt(obj, 10);\n            });\n\n            configFromArray(config);\n        }\n\n        function createFromConfig (config) {\n            var res = new Moment(checkOverflow(prepareConfig(config)));\n            if (res._nextDay) {\n                // Adding is smart enough around DST\n                res.add(1, 'd');\n                res._nextDay = undefined;\n            }\n\n            return res;\n        }\n\n        function prepareConfig (config) {\n            var input = config._i,\n                format = config._f;\n\n            config._locale = config._locale || getLocale(config._l);\n\n            if (input === null || (format === undefined && input === '')) {\n                return createInvalid({nullInput: true});\n            }\n\n            if (typeof input === 'string') {\n                config._i = input = config._locale.preparse(input);\n            }\n\n            if (isMoment(input)) {\n                return new Moment(checkOverflow(input));\n            } else if (isDate(input)) {\n                config._d = input;\n            } else if (isArray(format)) {\n                configFromStringAndArray(config);\n            } else if (format) {\n                configFromStringAndFormat(config);\n            }  else {\n                configFromInput(config);\n            }\n\n            if (!isValid(config)) {\n                config._d = null;\n            }\n\n            return config;\n        }\n\n        function configFromInput(config) {\n            var input = config._i;\n            if (isUndefined(input)) {\n                config._d = new Date(hooks.now());\n            } else if (isDate(input)) {\n                config._d = new Date(input.valueOf());\n            } else if (typeof input === 'string') {\n                configFromString(config);\n            } else if (isArray(input)) {\n                config._a = map(input.slice(0), function (obj) {\n                    return parseInt(obj, 10);\n                });\n                configFromArray(config);\n            } else if (isObject(input)) {\n                configFromObject(config);\n            } else if (isNumber(input)) {\n                // from milliseconds\n                config._d = new Date(input);\n            } else {\n                hooks.createFromInputFallback(config);\n            }\n        }\n\n        function createLocalOrUTC (input, format, locale, strict, isUTC) {\n            var c = {};\n\n            if (locale === true || locale === false) {\n                strict = locale;\n                locale = undefined;\n            }\n\n            if ((isObject(input) && isObjectEmpty(input)) ||\n                (isArray(input) && input.length === 0)) {\n                input = undefined;\n            }\n            // object construction must be done this way.\n            // https://github.com/moment/moment/issues/1423\n            c._isAMomentObject = true;\n            c._useUTC = c._isUTC = isUTC;\n            c._l = locale;\n            c._i = input;\n            c._f = format;\n            c._strict = strict;\n\n            return createFromConfig(c);\n        }\n\n        function createLocal (input, format, locale, strict) {\n            return createLocalOrUTC(input, format, locale, strict, false);\n        }\n\n        var prototypeMin = deprecate(\n            'moment().min is deprecated, use moment.max instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other < this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n        var prototypeMax = deprecate(\n            'moment().max is deprecated, use moment.min instead. http://momentjs.com/guides/#/warnings/min-max/',\n            function () {\n                var other = createLocal.apply(null, arguments);\n                if (this.isValid() && other.isValid()) {\n                    return other > this ? this : other;\n                } else {\n                    return createInvalid();\n                }\n            }\n        );\n\n// Pick a moment m from moments so that m[fn](other) is true for all\n// other. This relies on the function fn to be transitive.\n//\n// moments should either be an array of moment objects or an array, whose\n// first element is an array of moment objects.\n        function pickBy(fn, moments) {\n            var res, i;\n            if (moments.length === 1 && isArray(moments[0])) {\n                moments = moments[0];\n            }\n            if (!moments.length) {\n                return createLocal();\n            }\n            res = moments[0];\n            for (i = 1; i < moments.length; ++i) {\n                if (!moments[i].isValid() || moments[i][fn](res)) {\n                    res = moments[i];\n                }\n            }\n            return res;\n        }\n\n// TODO: Use [].sort instead?\n        function min () {\n            var args = [].slice.call(arguments, 0);\n\n            return pickBy('isBefore', args);\n        }\n\n        function max () {\n            var args = [].slice.call(arguments, 0);\n\n            return pickBy('isAfter', args);\n        }\n\n        var now = function () {\n            return Date.now ? Date.now() : +(new Date());\n        };\n\n        var ordering = ['year', 'quarter', 'month', 'week', 'day', 'hour', 'minute', 'second', 'millisecond'];\n\n        function isDurationValid(m) {\n            for (var key in m) {\n                if (!(ordering.indexOf(key) !== -1 && (m[key] == null || !isNaN(m[key])))) {\n                    return false;\n                }\n            }\n\n            var unitHasDecimal = false;\n            for (var i = 0; i < ordering.length; ++i) {\n                if (m[ordering[i]]) {\n                    if (unitHasDecimal) {\n                        return false; // only allow non-integers for smallest unit\n                    }\n                    if (parseFloat(m[ordering[i]]) !== toInt(m[ordering[i]])) {\n                        unitHasDecimal = true;\n                    }\n                }\n            }\n\n            return true;\n        }\n\n        function isValid$1() {\n            return this._isValid;\n        }\n\n        function createInvalid$1() {\n            return createDuration(NaN);\n        }\n\n        function Duration (duration) {\n            var normalizedInput = normalizeObjectUnits(duration),\n                years = normalizedInput.year || 0,\n                quarters = normalizedInput.quarter || 0,\n                months = normalizedInput.month || 0,\n                weeks = normalizedInput.week || 0,\n                days = normalizedInput.day || 0,\n                hours = normalizedInput.hour || 0,\n                minutes = normalizedInput.minute || 0,\n                seconds = normalizedInput.second || 0,\n                milliseconds = normalizedInput.millisecond || 0;\n\n            this._isValid = isDurationValid(normalizedInput);\n\n            // representation for dateAddRemove\n            this._milliseconds = +milliseconds +\n                seconds * 1e3 + // 1000\n                minutes * 6e4 + // 1000 * 60\n                hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978\n            // Because of dateAddRemove treats 24 hours as different from a\n            // day when working around DST, we need to store them separately\n            this._days = +days +\n                weeks * 7;\n            // It is impossible translate months into days without knowing\n            // which months you are are talking about, so we have to store\n            // it separately.\n            this._months = +months +\n                quarters * 3 +\n                years * 12;\n\n            this._data = {};\n\n            this._locale = getLocale();\n\n            this._bubble();\n        }\n\n        function isDuration (obj) {\n            return obj instanceof Duration;\n        }\n\n        function absRound (number) {\n            if (number < 0) {\n                return Math.round(-1 * number) * -1;\n            } else {\n                return Math.round(number);\n            }\n        }\n\n// FORMATTING\n\n        function offset (token, separator) {\n            addFormatToken(token, 0, 0, function () {\n                var offset = this.utcOffset();\n                var sign = '+';\n                if (offset < 0) {\n                    offset = -offset;\n                    sign = '-';\n                }\n                return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);\n            });\n        }\n\n        offset('Z', ':');\n        offset('ZZ', '');\n\n// PARSING\n\n        addRegexToken('Z',  matchShortOffset);\n        addRegexToken('ZZ', matchShortOffset);\n        addParseToken(['Z', 'ZZ'], function (input, array, config) {\n            config._useUTC = true;\n            config._tzm = offsetFromString(matchShortOffset, input);\n        });\n\n// HELPERS\n\n// timezone chunker\n// '+10:00' > ['10',  '00']\n// '-1530'  > ['-15', '30']\n        var chunkOffset = /([\\+\\-]|\\d\\d)/gi;\n\n        function offsetFromString(matcher, string) {\n            var matches = (string || '').match(matcher);\n\n            if (matches === null) {\n                return null;\n            }\n\n            var chunk   = matches[matches.length - 1] || [];\n            var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];\n            var minutes = +(parts[1] * 60) + toInt(parts[2]);\n\n            return minutes === 0 ?\n                0 :\n                parts[0] === '+' ? minutes : -minutes;\n        }\n\n// Return a moment from input, that is local/utc/zone equivalent to model.\n        function cloneWithOffset(input, model) {\n            var res, diff;\n            if (model._isUTC) {\n                res = model.clone();\n                diff = (isMoment(input) || isDate(input) ? input.valueOf() : createLocal(input).valueOf()) - res.valueOf();\n                // Use low-level api, because this fn is low-level api.\n                res._d.setTime(res._d.valueOf() + diff);\n                hooks.updateOffset(res, false);\n                return res;\n            } else {\n                return createLocal(input).local();\n            }\n        }\n\n        function getDateOffset (m) {\n            // On Firefox.24 Date#getTimezoneOffset returns a floating point.\n            // https://github.com/moment/moment/pull/1871\n            return -Math.round(m._d.getTimezoneOffset() / 15) * 15;\n        }\n\n// HOOKS\n\n// This function will be called whenever a moment is mutated.\n// It is intended to keep the offset in sync with the timezone.\n        hooks.updateOffset = function () {};\n\n// MOMENTS\n\n// keepLocalTime = true means only change the timezone, without\n// affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->\n// 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset\n// +0200, so we adjust the time as needed, to be valid.\n//\n// Keeping the time actually adds/subtracts (one hour)\n// from the actual represented time. That is why we call updateOffset\n// a second time. In case it wants us to change the offset again\n// _changeInProgress == true case, then we have to adjust, because\n// there is no such time in the given timezone.\n        function getSetOffset (input, keepLocalTime, keepMinutes) {\n            var offset = this._offset || 0,\n                localAdjust;\n            if (!this.isValid()) {\n                return input != null ? this : NaN;\n            }\n            if (input != null) {\n                if (typeof input === 'string') {\n                    input = offsetFromString(matchShortOffset, input);\n                    if (input === null) {\n                        return this;\n                    }\n                } else if (Math.abs(input) < 16 && !keepMinutes) {\n                    input = input * 60;\n                }\n                if (!this._isUTC && keepLocalTime) {\n                    localAdjust = getDateOffset(this);\n                }\n                this._offset = input;\n                this._isUTC = true;\n                if (localAdjust != null) {\n                    this.add(localAdjust, 'm');\n                }\n                if (offset !== input) {\n                    if (!keepLocalTime || this._changeInProgress) {\n                        addSubtract(this, createDuration(input - offset, 'm'), 1, false);\n                    } else if (!this._changeInProgress) {\n                        this._changeInProgress = true;\n                        hooks.updateOffset(this, true);\n                        this._changeInProgress = null;\n                    }\n                }\n                return this;\n            } else {\n                return this._isUTC ? offset : getDateOffset(this);\n            }\n        }\n\n        function getSetZone (input, keepLocalTime) {\n            if (input != null) {\n                if (typeof input !== 'string') {\n                    input = -input;\n                }\n\n                this.utcOffset(input, keepLocalTime);\n\n                return this;\n            } else {\n                return -this.utcOffset();\n            }\n        }\n\n        function setOffsetToUTC (keepLocalTime) {\n            return this.utcOffset(0, keepLocalTime);\n        }\n\n        function setOffsetToLocal (keepLocalTime) {\n            if (this._isUTC) {\n                this.utcOffset(0, keepLocalTime);\n                this._isUTC = false;\n\n                if (keepLocalTime) {\n                    this.subtract(getDateOffset(this), 'm');\n                }\n            }\n            return this;\n        }\n\n        function setOffsetToParsedOffset () {\n            if (this._tzm != null) {\n                this.utcOffset(this._tzm, false, true);\n            } else if (typeof this._i === 'string') {\n                var tZone = offsetFromString(matchOffset, this._i);\n                if (tZone != null) {\n                    this.utcOffset(tZone);\n                }\n                else {\n                    this.utcOffset(0, true);\n                }\n            }\n            return this;\n        }\n\n        function hasAlignedHourOffset (input) {\n            if (!this.isValid()) {\n                return false;\n            }\n            input = input ? createLocal(input).utcOffset() : 0;\n\n            return (this.utcOffset() - input) % 60 === 0;\n        }\n\n        function isDaylightSavingTime () {\n            return (\n                this.utcOffset() > this.clone().month(0).utcOffset() ||\n                this.utcOffset() > this.clone().month(5).utcOffset()\n            );\n        }\n\n        function isDaylightSavingTimeShifted () {\n            if (!isUndefined(this._isDSTShifted)) {\n                return this._isDSTShifted;\n            }\n\n            var c = {};\n\n            copyConfig(c, this);\n            c = prepareConfig(c);\n\n            if (c._a) {\n                var other = c._isUTC ? createUTC(c._a) : createLocal(c._a);\n                this._isDSTShifted = this.isValid() &&\n                    compareArrays(c._a, other.toArray()) > 0;\n            } else {\n                this._isDSTShifted = false;\n            }\n\n            return this._isDSTShifted;\n        }\n\n        function isLocal () {\n            return this.isValid() ? !this._isUTC : false;\n        }\n\n        function isUtcOffset () {\n            return this.isValid() ? this._isUTC : false;\n        }\n\n        function isUtc () {\n            return this.isValid() ? this._isUTC && this._offset === 0 : false;\n        }\n\n// ASP.NET json date format regex\n        var aspNetRegex = /^(\\-)?(?:(\\d*)[. ])?(\\d+)\\:(\\d+)(?:\\:(\\d+)(\\.\\d*)?)?$/;\n\n// from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html\n// somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere\n// and further modified to allow for strings containing both week and day\n        var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;\n\n        function createDuration (input, key) {\n            var duration = input,\n                // matching against regexp is expensive, do it on demand\n                match = null,\n                sign,\n                ret,\n                diffRes;\n\n            if (isDuration(input)) {\n                duration = {\n                    ms : input._milliseconds,\n                    d  : input._days,\n                    M  : input._months\n                };\n            } else if (isNumber(input)) {\n                duration = {};\n                if (key) {\n                    duration[key] = input;\n                } else {\n                    duration.milliseconds = input;\n                }\n            } else if (!!(match = aspNetRegex.exec(input))) {\n                sign = (match[1] === '-') ? -1 : 1;\n                duration = {\n                    y  : 0,\n                    d  : toInt(match[DATE])                         * sign,\n                    h  : toInt(match[HOUR])                         * sign,\n                    m  : toInt(match[MINUTE])                       * sign,\n                    s  : toInt(match[SECOND])                       * sign,\n                    ms : toInt(absRound(match[MILLISECOND] * 1000)) * sign // the millisecond decimal point is included in the match\n                };\n            } else if (!!(match = isoRegex.exec(input))) {\n                sign = (match[1] === '-') ? -1 : 1;\n                duration = {\n                    y : parseIso(match[2], sign),\n                    M : parseIso(match[3], sign),\n                    w : parseIso(match[4], sign),\n                    d : parseIso(match[5], sign),\n                    h : parseIso(match[6], sign),\n                    m : parseIso(match[7], sign),\n                    s : parseIso(match[8], sign)\n                };\n            } else if (duration == null) {// checks for null or undefined\n                duration = {};\n            } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {\n                diffRes = momentsDifference(createLocal(duration.from), createLocal(duration.to));\n\n                duration = {};\n                duration.ms = diffRes.milliseconds;\n                duration.M = diffRes.months;\n            }\n\n            ret = new Duration(duration);\n\n            if (isDuration(input) && hasOwnProp(input, '_locale')) {\n                ret._locale = input._locale;\n            }\n\n            return ret;\n        }\n\n        createDuration.fn = Duration.prototype;\n        createDuration.invalid = createInvalid$1;\n\n        function parseIso (inp, sign) {\n            // We'd normally use ~~inp for this, but unfortunately it also\n            // converts floats to ints.\n            // inp may be undefined, so careful calling replace on it.\n            var res = inp && parseFloat(inp.replace(',', '.'));\n            // apply sign while we're at it\n            return (isNaN(res) ? 0 : res) * sign;\n        }\n\n        function positiveMomentsDifference(base, other) {\n            var res = {milliseconds: 0, months: 0};\n\n            res.months = other.month() - base.month() +\n                (other.year() - base.year()) * 12;\n            if (base.clone().add(res.months, 'M').isAfter(other)) {\n                --res.months;\n            }\n\n            res.milliseconds = +other - +(base.clone().add(res.months, 'M'));\n\n            return res;\n        }\n\n        function momentsDifference(base, other) {\n            var res;\n            if (!(base.isValid() && other.isValid())) {\n                return {milliseconds: 0, months: 0};\n            }\n\n            other = cloneWithOffset(other, base);\n            if (base.isBefore(other)) {\n                res = positiveMomentsDifference(base, other);\n            } else {\n                res = positiveMomentsDifference(other, base);\n                res.milliseconds = -res.milliseconds;\n                res.months = -res.months;\n            }\n\n            return res;\n        }\n\n// TODO: remove 'name' arg after deprecation is removed\n        function createAdder(direction, name) {\n            return function (val, period) {\n                var dur, tmp;\n                //invert the arguments, but complain about it\n                if (period !== null && !isNaN(+period)) {\n                    deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period). ' +\n                        'See http://momentjs.com/guides/#/warnings/add-inverted-param/ for more info.');\n                    tmp = val; val = period; period = tmp;\n                }\n\n                val = typeof val === 'string' ? +val : val;\n                dur = createDuration(val, period);\n                addSubtract(this, dur, direction);\n                return this;\n            };\n        }\n\n        function addSubtract (mom, duration, isAdding, updateOffset) {\n            var milliseconds = duration._milliseconds,\n                days = absRound(duration._days),\n                months = absRound(duration._months);\n\n            if (!mom.isValid()) {\n                // No op\n                return;\n            }\n\n            updateOffset = updateOffset == null ? true : updateOffset;\n\n            if (milliseconds) {\n                mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);\n            }\n            if (days) {\n                set$1(mom, 'Date', get(mom, 'Date') + days * isAdding);\n            }\n            if (months) {\n                setMonth(mom, get(mom, 'Month') + months * isAdding);\n            }\n            if (updateOffset) {\n                hooks.updateOffset(mom, days || months);\n            }\n        }\n\n        var add      = createAdder(1, 'add');\n        var subtract = createAdder(-1, 'subtract');\n\n        function getCalendarFormat(myMoment, now) {\n            var diff = myMoment.diff(now, 'days', true);\n            return diff < -6 ? 'sameElse' :\n                diff < -1 ? 'lastWeek' :\n                    diff < 0 ? 'lastDay' :\n                        diff < 1 ? 'sameDay' :\n                            diff < 2 ? 'nextDay' :\n                                diff < 7 ? 'nextWeek' : 'sameElse';\n        }\n\n        function calendar$1 (time, formats) {\n            // We want to compare the start of today, vs this.\n            // Getting start-of-today depends on whether we're local/utc/offset or not.\n            var now = time || createLocal(),\n                sod = cloneWithOffset(now, this).startOf('day'),\n                format = hooks.calendarFormat(this, sod) || 'sameElse';\n\n            var output = formats && (isFunction(formats[format]) ? formats[format].call(this, now) : formats[format]);\n\n            return this.format(output || this.localeData().calendar(format, this, createLocal(now)));\n        }\n\n        function clone () {\n            return new Moment(this);\n        }\n\n        function isAfter (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input);\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() > localInput.valueOf();\n            } else {\n                return localInput.valueOf() < this.clone().startOf(units).valueOf();\n            }\n        }\n\n        function isBefore (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input);\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() < localInput.valueOf();\n            } else {\n                return this.clone().endOf(units).valueOf() < localInput.valueOf();\n            }\n        }\n\n        function isBetween (from, to, units, inclusivity) {\n            inclusivity = inclusivity || '()';\n            return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&\n                (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));\n        }\n\n        function isSame (input, units) {\n            var localInput = isMoment(input) ? input : createLocal(input),\n                inputMs;\n            if (!(this.isValid() && localInput.isValid())) {\n                return false;\n            }\n            units = normalizeUnits(units || 'millisecond');\n            if (units === 'millisecond') {\n                return this.valueOf() === localInput.valueOf();\n            } else {\n                inputMs = localInput.valueOf();\n                return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();\n            }\n        }\n\n        function isSameOrAfter (input, units) {\n            return this.isSame(input, units) || this.isAfter(input,units);\n        }\n\n        function isSameOrBefore (input, units) {\n            return this.isSame(input, units) || this.isBefore(input,units);\n        }\n\n        function diff (input, units, asFloat) {\n            var that,\n                zoneDelta,\n                delta, output;\n\n            if (!this.isValid()) {\n                return NaN;\n            }\n\n            that = cloneWithOffset(input, this);\n\n            if (!that.isValid()) {\n                return NaN;\n            }\n\n            zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;\n\n            units = normalizeUnits(units);\n\n            if (units === 'year' || units === 'month' || units === 'quarter') {\n                output = monthDiff(this, that);\n                if (units === 'quarter') {\n                    output = output / 3;\n                } else if (units === 'year') {\n                    output = output / 12;\n                }\n            } else {\n                delta = this - that;\n                output = units === 'second' ? delta / 1e3 : // 1000\n                    units === 'minute' ? delta / 6e4 : // 1000 * 60\n                        units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60\n                            units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst\n                                units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst\n                                    delta;\n            }\n            return asFloat ? output : absFloor(output);\n        }\n\n        function monthDiff (a, b) {\n            // difference in months\n            var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),\n                // b is in (anchor - 1 month, anchor + 1 month)\n                anchor = a.clone().add(wholeMonthDiff, 'months'),\n                anchor2, adjust;\n\n            if (b - anchor < 0) {\n                anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');\n                // linear across the month\n                adjust = (b - anchor) / (anchor - anchor2);\n            } else {\n                anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');\n                // linear across the month\n                adjust = (b - anchor) / (anchor2 - anchor);\n            }\n\n            //check for negative zero, return zero if negative zero\n            return -(wholeMonthDiff + adjust) || 0;\n        }\n\n        hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';\n        hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';\n\n        function toString () {\n            return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');\n        }\n\n        function toISOString() {\n            if (!this.isValid()) {\n                return null;\n            }\n            var m = this.clone().utc();\n            if (m.year() < 0 || m.year() > 9999) {\n                return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n            }\n            if (isFunction(Date.prototype.toISOString)) {\n                // native implementation is ~50x faster, use it when we can\n                return this.toDate().toISOString();\n            }\n            return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');\n        }\n\n        /**\n         * Return a human readable representation of a moment that can\n         * also be evaluated to get a new moment which is the same\n         *\n         * @link https://nodejs.org/dist/latest/docs/api/util.html#util_custom_inspect_function_on_objects\n         */\n        function inspect () {\n            if (!this.isValid()) {\n                return 'moment.invalid(/* ' + this._i + ' */)';\n            }\n            var func = 'moment';\n            var zone = '';\n            if (!this.isLocal()) {\n                func = this.utcOffset() === 0 ? 'moment.utc' : 'moment.parseZone';\n                zone = 'Z';\n            }\n            var prefix = '[' + func + '(\"]';\n            var year = (0 <= this.year() && this.year() <= 9999) ? 'YYYY' : 'YYYYYY';\n            var datetime = '-MM-DD[T]HH:mm:ss.SSS';\n            var suffix = zone + '[\")]';\n\n            return this.format(prefix + year + datetime + suffix);\n        }\n\n        function format (inputString) {\n            if (!inputString) {\n                inputString = this.isUtc() ? hooks.defaultFormatUtc : hooks.defaultFormat;\n            }\n            var output = formatMoment(this, inputString);\n            return this.localeData().postformat(output);\n        }\n\n        function from (time, withoutSuffix) {\n            if (this.isValid() &&\n                ((isMoment(time) && time.isValid()) ||\n                createLocal(time).isValid())) {\n                return createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);\n            } else {\n                return this.localeData().invalidDate();\n            }\n        }\n\n        function fromNow (withoutSuffix) {\n            return this.from(createLocal(), withoutSuffix);\n        }\n\n        function to (time, withoutSuffix) {\n            if (this.isValid() &&\n                ((isMoment(time) && time.isValid()) ||\n                createLocal(time).isValid())) {\n                return createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);\n            } else {\n                return this.localeData().invalidDate();\n            }\n        }\n\n        function toNow (withoutSuffix) {\n            return this.to(createLocal(), withoutSuffix);\n        }\n\n// If passed a locale key, it will set the locale for this\n// instance.  Otherwise, it will return the locale configuration\n// variables for this instance.\n        function locale (key) {\n            var newLocaleData;\n\n            if (key === undefined) {\n                return this._locale._abbr;\n            } else {\n                newLocaleData = getLocale(key);\n                if (newLocaleData != null) {\n                    this._locale = newLocaleData;\n                }\n                return this;\n            }\n        }\n\n        var lang = deprecate(\n            'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',\n            function (key) {\n                if (key === undefined) {\n                    return this.localeData();\n                } else {\n                    return this.locale(key);\n                }\n            }\n        );\n\n        function localeData () {\n            return this._locale;\n        }\n\n        function startOf (units) {\n            units = normalizeUnits(units);\n            // the following switch intentionally omits break keywords\n            // to utilize falling through the cases.\n            switch (units) {\n                case 'year':\n                    this.month(0);\n\t\t\t\t/* falls through */\n                case 'quarter':\n                case 'month':\n                    this.date(1);\n\t\t\t\t/* falls through */\n                case 'week':\n                case 'isoWeek':\n                case 'day':\n                case 'date':\n                    this.hours(0);\n\t\t\t\t/* falls through */\n                case 'hour':\n                    this.minutes(0);\n\t\t\t\t/* falls through */\n                case 'minute':\n                    this.seconds(0);\n\t\t\t\t/* falls through */\n                case 'second':\n                    this.milliseconds(0);\n            }\n\n            // weeks are a special case\n            if (units === 'week') {\n                this.weekday(0);\n            }\n            if (units === 'isoWeek') {\n                this.isoWeekday(1);\n            }\n\n            // quarters are also special\n            if (units === 'quarter') {\n                this.month(Math.floor(this.month() / 3) * 3);\n            }\n\n            return this;\n        }\n\n        function endOf (units) {\n            units = normalizeUnits(units);\n            if (units === undefined || units === 'millisecond') {\n                return this;\n            }\n\n            // 'date' is an alias for 'day', so it should be considered as such.\n            if (units === 'date') {\n                units = 'day';\n            }\n\n            return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');\n        }\n\n        function valueOf () {\n            return this._d.valueOf() - ((this._offset || 0) * 60000);\n        }\n\n        function unix () {\n            return Math.floor(this.valueOf() / 1000);\n        }\n\n        function toDate () {\n            return new Date(this.valueOf());\n        }\n\n        function toArray () {\n            var m = this;\n            return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];\n        }\n\n        function toObject () {\n            var m = this;\n            return {\n                years: m.year(),\n                months: m.month(),\n                date: m.date(),\n                hours: m.hours(),\n                minutes: m.minutes(),\n                seconds: m.seconds(),\n                milliseconds: m.milliseconds()\n            };\n        }\n\n        function toJSON () {\n            // new Date(NaN).toJSON() === null\n            return this.isValid() ? this.toISOString() : null;\n        }\n\n        function isValid$2 () {\n            return isValid(this);\n        }\n\n        function parsingFlags () {\n            return extend({}, getParsingFlags(this));\n        }\n\n        function invalidAt () {\n            return getParsingFlags(this).overflow;\n        }\n\n        function creationData() {\n            return {\n                input: this._i,\n                format: this._f,\n                locale: this._locale,\n                isUTC: this._isUTC,\n                strict: this._strict\n            };\n        }\n\n// FORMATTING\n\n        addFormatToken(0, ['gg', 2], 0, function () {\n            return this.weekYear() % 100;\n        });\n\n        addFormatToken(0, ['GG', 2], 0, function () {\n            return this.isoWeekYear() % 100;\n        });\n\n        function addWeekYearFormatToken (token, getter) {\n            addFormatToken(0, [token, token.length], 0, getter);\n        }\n\n        addWeekYearFormatToken('gggg',     'weekYear');\n        addWeekYearFormatToken('ggggg',    'weekYear');\n        addWeekYearFormatToken('GGGG',  'isoWeekYear');\n        addWeekYearFormatToken('GGGGG', 'isoWeekYear');\n\n// ALIASES\n\n        addUnitAlias('weekYear', 'gg');\n        addUnitAlias('isoWeekYear', 'GG');\n\n// PRIORITY\n\n        addUnitPriority('weekYear', 1);\n        addUnitPriority('isoWeekYear', 1);\n\n\n// PARSING\n\n        addRegexToken('G',      matchSigned);\n        addRegexToken('g',      matchSigned);\n        addRegexToken('GG',     match1to2, match2);\n        addRegexToken('gg',     match1to2, match2);\n        addRegexToken('GGGG',   match1to4, match4);\n        addRegexToken('gggg',   match1to4, match4);\n        addRegexToken('GGGGG',  match1to6, match6);\n        addRegexToken('ggggg',  match1to6, match6);\n\n        addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {\n            week[token.substr(0, 2)] = toInt(input);\n        });\n\n        addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {\n            week[token] = hooks.parseTwoDigitYear(input);\n        });\n\n// MOMENTS\n\n        function getSetWeekYear (input) {\n            return getSetWeekYearHelper.call(this,\n                input,\n                this.week(),\n                this.weekday(),\n                this.localeData()._week.dow,\n                this.localeData()._week.doy);\n        }\n\n        function getSetISOWeekYear (input) {\n            return getSetWeekYearHelper.call(this,\n                input, this.isoWeek(), this.isoWeekday(), 1, 4);\n        }\n\n        function getISOWeeksInYear () {\n            return weeksInYear(this.year(), 1, 4);\n        }\n\n        function getWeeksInYear () {\n            var weekInfo = this.localeData()._week;\n            return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);\n        }\n\n        function getSetWeekYearHelper(input, week, weekday, dow, doy) {\n            var weeksTarget;\n            if (input == null) {\n                return weekOfYear(this, dow, doy).year;\n            } else {\n                weeksTarget = weeksInYear(input, dow, doy);\n                if (week > weeksTarget) {\n                    week = weeksTarget;\n                }\n                return setWeekAll.call(this, input, week, weekday, dow, doy);\n            }\n        }\n\n        function setWeekAll(weekYear, week, weekday, dow, doy) {\n            var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),\n                date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);\n\n            this.year(date.getUTCFullYear());\n            this.month(date.getUTCMonth());\n            this.date(date.getUTCDate());\n            return this;\n        }\n\n// FORMATTING\n\n        addFormatToken('Q', 0, 'Qo', 'quarter');\n\n// ALIASES\n\n        addUnitAlias('quarter', 'Q');\n\n// PRIORITY\n\n        addUnitPriority('quarter', 7);\n\n// PARSING\n\n        addRegexToken('Q', match1);\n        addParseToken('Q', function (input, array) {\n            array[MONTH] = (toInt(input) - 1) * 3;\n        });\n\n// MOMENTS\n\n        function getSetQuarter (input) {\n            return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);\n        }\n\n// FORMATTING\n\n        addFormatToken('D', ['DD', 2], 'Do', 'date');\n\n// ALIASES\n\n        addUnitAlias('date', 'D');\n\n// PRIOROITY\n        addUnitPriority('date', 9);\n\n// PARSING\n\n        addRegexToken('D',  match1to2);\n        addRegexToken('DD', match1to2, match2);\n        addRegexToken('Do', function (isStrict, locale) {\n            // TODO: Remove \"ordinalParse\" fallback in next major release.\n            return isStrict ?\n                (locale._dayOfMonthOrdinalParse || locale._ordinalParse) :\n                locale._dayOfMonthOrdinalParseLenient;\n        });\n\n        addParseToken(['D', 'DD'], DATE);\n        addParseToken('Do', function (input, array) {\n            array[DATE] = toInt(input.match(match1to2)[0], 10);\n        });\n\n// MOMENTS\n\n        var getSetDayOfMonth = makeGetSet('Date', true);\n\n// FORMATTING\n\n        addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');\n\n// ALIASES\n\n        addUnitAlias('dayOfYear', 'DDD');\n\n// PRIORITY\n        addUnitPriority('dayOfYear', 4);\n\n// PARSING\n\n        addRegexToken('DDD',  match1to3);\n        addRegexToken('DDDD', match3);\n        addParseToken(['DDD', 'DDDD'], function (input, array, config) {\n            config._dayOfYear = toInt(input);\n        });\n\n// HELPERS\n\n// MOMENTS\n\n        function getSetDayOfYear (input) {\n            var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;\n            return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');\n        }\n\n// FORMATTING\n\n        addFormatToken('m', ['mm', 2], 0, 'minute');\n\n// ALIASES\n\n        addUnitAlias('minute', 'm');\n\n// PRIORITY\n\n        addUnitPriority('minute', 14);\n\n// PARSING\n\n        addRegexToken('m',  match1to2);\n        addRegexToken('mm', match1to2, match2);\n        addParseToken(['m', 'mm'], MINUTE);\n\n// MOMENTS\n\n        var getSetMinute = makeGetSet('Minutes', false);\n\n// FORMATTING\n\n        addFormatToken('s', ['ss', 2], 0, 'second');\n\n// ALIASES\n\n        addUnitAlias('second', 's');\n\n// PRIORITY\n\n        addUnitPriority('second', 15);\n\n// PARSING\n\n        addRegexToken('s',  match1to2);\n        addRegexToken('ss', match1to2, match2);\n        addParseToken(['s', 'ss'], SECOND);\n\n// MOMENTS\n\n        var getSetSecond = makeGetSet('Seconds', false);\n\n// FORMATTING\n\n        addFormatToken('S', 0, 0, function () {\n            return ~~(this.millisecond() / 100);\n        });\n\n        addFormatToken(0, ['SS', 2], 0, function () {\n            return ~~(this.millisecond() / 10);\n        });\n\n        addFormatToken(0, ['SSS', 3], 0, 'millisecond');\n        addFormatToken(0, ['SSSS', 4], 0, function () {\n            return this.millisecond() * 10;\n        });\n        addFormatToken(0, ['SSSSS', 5], 0, function () {\n            return this.millisecond() * 100;\n        });\n        addFormatToken(0, ['SSSSSS', 6], 0, function () {\n            return this.millisecond() * 1000;\n        });\n        addFormatToken(0, ['SSSSSSS', 7], 0, function () {\n            return this.millisecond() * 10000;\n        });\n        addFormatToken(0, ['SSSSSSSS', 8], 0, function () {\n            return this.millisecond() * 100000;\n        });\n        addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {\n            return this.millisecond() * 1000000;\n        });\n\n\n// ALIASES\n\n        addUnitAlias('millisecond', 'ms');\n\n// PRIORITY\n\n        addUnitPriority('millisecond', 16);\n\n// PARSING\n\n        addRegexToken('S',    match1to3, match1);\n        addRegexToken('SS',   match1to3, match2);\n        addRegexToken('SSS',  match1to3, match3);\n\n        var token;\n        for (token = 'SSSS'; token.length <= 9; token += 'S') {\n            addRegexToken(token, matchUnsigned);\n        }\n\n        function parseMs(input, array) {\n            array[MILLISECOND] = toInt(('0.' + input) * 1000);\n        }\n\n        for (token = 'S'; token.length <= 9; token += 'S') {\n            addParseToken(token, parseMs);\n        }\n// MOMENTS\n\n        var getSetMillisecond = makeGetSet('Milliseconds', false);\n\n// FORMATTING\n\n        addFormatToken('z',  0, 0, 'zoneAbbr');\n        addFormatToken('zz', 0, 0, 'zoneName');\n\n// MOMENTS\n\n        function getZoneAbbr () {\n            return this._isUTC ? 'UTC' : '';\n        }\n\n        function getZoneName () {\n            return this._isUTC ? 'Coordinated Universal Time' : '';\n        }\n\n        var proto = Moment.prototype;\n\n        proto.add               = add;\n        proto.calendar          = calendar$1;\n        proto.clone             = clone;\n        proto.diff              = diff;\n        proto.endOf             = endOf;\n        proto.format            = format;\n        proto.from              = from;\n        proto.fromNow           = fromNow;\n        proto.to                = to;\n        proto.toNow             = toNow;\n        proto.get               = stringGet;\n        proto.invalidAt         = invalidAt;\n        proto.isAfter           = isAfter;\n        proto.isBefore          = isBefore;\n        proto.isBetween         = isBetween;\n        proto.isSame            = isSame;\n        proto.isSameOrAfter     = isSameOrAfter;\n        proto.isSameOrBefore    = isSameOrBefore;\n        proto.isValid           = isValid$2;\n        proto.lang              = lang;\n        proto.locale            = locale;\n        proto.localeData        = localeData;\n        proto.max               = prototypeMax;\n        proto.min               = prototypeMin;\n        proto.parsingFlags      = parsingFlags;\n        proto.set               = stringSet;\n        proto.startOf           = startOf;\n        proto.subtract          = subtract;\n        proto.toArray           = toArray;\n        proto.toObject          = toObject;\n        proto.toDate            = toDate;\n        proto.toISOString       = toISOString;\n        proto.inspect           = inspect;\n        proto.toJSON            = toJSON;\n        proto.toString          = toString;\n        proto.unix              = unix;\n        proto.valueOf           = valueOf;\n        proto.creationData      = creationData;\n\n// Year\n        proto.year       = getSetYear;\n        proto.isLeapYear = getIsLeapYear;\n\n// Week Year\n        proto.weekYear    = getSetWeekYear;\n        proto.isoWeekYear = getSetISOWeekYear;\n\n// Quarter\n        proto.quarter = proto.quarters = getSetQuarter;\n\n// Month\n        proto.month       = getSetMonth;\n        proto.daysInMonth = getDaysInMonth;\n\n// Week\n        proto.week           = proto.weeks        = getSetWeek;\n        proto.isoWeek        = proto.isoWeeks     = getSetISOWeek;\n        proto.weeksInYear    = getWeeksInYear;\n        proto.isoWeeksInYear = getISOWeeksInYear;\n\n// Day\n        proto.date       = getSetDayOfMonth;\n        proto.day        = proto.days             = getSetDayOfWeek;\n        proto.weekday    = getSetLocaleDayOfWeek;\n        proto.isoWeekday = getSetISODayOfWeek;\n        proto.dayOfYear  = getSetDayOfYear;\n\n// Hour\n        proto.hour = proto.hours = getSetHour;\n\n// Minute\n        proto.minute = proto.minutes = getSetMinute;\n\n// Second\n        proto.second = proto.seconds = getSetSecond;\n\n// Millisecond\n        proto.millisecond = proto.milliseconds = getSetMillisecond;\n\n// Offset\n        proto.utcOffset            = getSetOffset;\n        proto.utc                  = setOffsetToUTC;\n        proto.local                = setOffsetToLocal;\n        proto.parseZone            = setOffsetToParsedOffset;\n        proto.hasAlignedHourOffset = hasAlignedHourOffset;\n        proto.isDST                = isDaylightSavingTime;\n        proto.isLocal              = isLocal;\n        proto.isUtcOffset          = isUtcOffset;\n        proto.isUtc                = isUtc;\n        proto.isUTC                = isUtc;\n\n// Timezone\n        proto.zoneAbbr = getZoneAbbr;\n        proto.zoneName = getZoneName;\n\n// Deprecations\n        proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);\n        proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);\n        proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);\n        proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. http://momentjs.com/guides/#/warnings/zone/', getSetZone);\n        proto.isDSTShifted = deprecate('isDSTShifted is deprecated. See http://momentjs.com/guides/#/warnings/dst-shifted/ for more information', isDaylightSavingTimeShifted);\n\n        function createUnix (input) {\n            return createLocal(input * 1000);\n        }\n\n        function createInZone () {\n            return createLocal.apply(null, arguments).parseZone();\n        }\n\n        function preParsePostFormat (string) {\n            return string;\n        }\n\n        var proto$1 = Locale.prototype;\n\n        proto$1.calendar        = calendar;\n        proto$1.longDateFormat  = longDateFormat;\n        proto$1.invalidDate     = invalidDate;\n        proto$1.ordinal         = ordinal;\n        proto$1.preparse        = preParsePostFormat;\n        proto$1.postformat      = preParsePostFormat;\n        proto$1.relativeTime    = relativeTime;\n        proto$1.pastFuture      = pastFuture;\n        proto$1.set             = set;\n\n// Month\n        proto$1.months            =        localeMonths;\n        proto$1.monthsShort       =        localeMonthsShort;\n        proto$1.monthsParse       =        localeMonthsParse;\n        proto$1.monthsRegex       = monthsRegex;\n        proto$1.monthsShortRegex  = monthsShortRegex;\n\n// Week\n        proto$1.week = localeWeek;\n        proto$1.firstDayOfYear = localeFirstDayOfYear;\n        proto$1.firstDayOfWeek = localeFirstDayOfWeek;\n\n// Day of Week\n        proto$1.weekdays       =        localeWeekdays;\n        proto$1.weekdaysMin    =        localeWeekdaysMin;\n        proto$1.weekdaysShort  =        localeWeekdaysShort;\n        proto$1.weekdaysParse  =        localeWeekdaysParse;\n\n        proto$1.weekdaysRegex       =        weekdaysRegex;\n        proto$1.weekdaysShortRegex  =        weekdaysShortRegex;\n        proto$1.weekdaysMinRegex    =        weekdaysMinRegex;\n\n// Hours\n        proto$1.isPM = localeIsPM;\n        proto$1.meridiem = localeMeridiem;\n\n        function get$1 (format, index, field, setter) {\n            var locale = getLocale();\n            var utc = createUTC().set(setter, index);\n            return locale[field](utc, format);\n        }\n\n        function listMonthsImpl (format, index, field) {\n            if (isNumber(format)) {\n                index = format;\n                format = undefined;\n            }\n\n            format = format || '';\n\n            if (index != null) {\n                return get$1(format, index, field, 'month');\n            }\n\n            var i;\n            var out = [];\n            for (i = 0; i < 12; i++) {\n                out[i] = get$1(format, i, field, 'month');\n            }\n            return out;\n        }\n\n// ()\n// (5)\n// (fmt, 5)\n// (fmt)\n// (true)\n// (true, 5)\n// (true, fmt, 5)\n// (true, fmt)\n        function listWeekdaysImpl (localeSorted, format, index, field) {\n            if (typeof localeSorted === 'boolean') {\n                if (isNumber(format)) {\n                    index = format;\n                    format = undefined;\n                }\n\n                format = format || '';\n            } else {\n                format = localeSorted;\n                index = format;\n                localeSorted = false;\n\n                if (isNumber(format)) {\n                    index = format;\n                    format = undefined;\n                }\n\n                format = format || '';\n            }\n\n            var locale = getLocale(),\n                shift = localeSorted ? locale._week.dow : 0;\n\n            if (index != null) {\n                return get$1(format, (index + shift) % 7, field, 'day');\n            }\n\n            var i;\n            var out = [];\n            for (i = 0; i < 7; i++) {\n                out[i] = get$1(format, (i + shift) % 7, field, 'day');\n            }\n            return out;\n        }\n\n        function listMonths (format, index) {\n            return listMonthsImpl(format, index, 'months');\n        }\n\n        function listMonthsShort (format, index) {\n            return listMonthsImpl(format, index, 'monthsShort');\n        }\n\n        function listWeekdays (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdays');\n        }\n\n        function listWeekdaysShort (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');\n        }\n\n        function listWeekdaysMin (localeSorted, format, index) {\n            return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');\n        }\n\n        getSetGlobalLocale('en', {\n            dayOfMonthOrdinalParse: /\\d{1,2}(th|st|nd|rd)/,\n            ordinal : function (number) {\n                var b = number % 10,\n                    output = (toInt(number % 100 / 10) === 1) ? 'th' :\n                        (b === 1) ? 'st' :\n                            (b === 2) ? 'nd' :\n                                (b === 3) ? 'rd' : 'th';\n                return number + output;\n            }\n        });\n\n// Side effect imports\n        hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', getSetGlobalLocale);\n        hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', getLocale);\n\n        var mathAbs = Math.abs;\n\n        function abs () {\n            var data           = this._data;\n\n            this._milliseconds = mathAbs(this._milliseconds);\n            this._days         = mathAbs(this._days);\n            this._months       = mathAbs(this._months);\n\n            data.milliseconds  = mathAbs(data.milliseconds);\n            data.seconds       = mathAbs(data.seconds);\n            data.minutes       = mathAbs(data.minutes);\n            data.hours         = mathAbs(data.hours);\n            data.months        = mathAbs(data.months);\n            data.years         = mathAbs(data.years);\n\n            return this;\n        }\n\n        function addSubtract$1 (duration, input, value, direction) {\n            var other = createDuration(input, value);\n\n            duration._milliseconds += direction * other._milliseconds;\n            duration._days         += direction * other._days;\n            duration._months       += direction * other._months;\n\n            return duration._bubble();\n        }\n\n// supports only 2.0-style add(1, 's') or add(duration)\n        function add$1 (input, value) {\n            return addSubtract$1(this, input, value, 1);\n        }\n\n// supports only 2.0-style subtract(1, 's') or subtract(duration)\n        function subtract$1 (input, value) {\n            return addSubtract$1(this, input, value, -1);\n        }\n\n        function absCeil (number) {\n            if (number < 0) {\n                return Math.floor(number);\n            } else {\n                return Math.ceil(number);\n            }\n        }\n\n        function bubble () {\n            var milliseconds = this._milliseconds;\n            var days         = this._days;\n            var months       = this._months;\n            var data         = this._data;\n            var seconds, minutes, hours, years, monthsFromDays;\n\n            // if we have a mix of positive and negative values, bubble down first\n            // check: https://github.com/moment/moment/issues/2166\n            if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||\n                (milliseconds <= 0 && days <= 0 && months <= 0))) {\n                milliseconds += absCeil(monthsToDays(months) + days) * 864e5;\n                days = 0;\n                months = 0;\n            }\n\n            // The following code bubbles up values, see the tests for\n            // examples of what that means.\n            data.milliseconds = milliseconds % 1000;\n\n            seconds           = absFloor(milliseconds / 1000);\n            data.seconds      = seconds % 60;\n\n            minutes           = absFloor(seconds / 60);\n            data.minutes      = minutes % 60;\n\n            hours             = absFloor(minutes / 60);\n            data.hours        = hours % 24;\n\n            days += absFloor(hours / 24);\n\n            // convert days to months\n            monthsFromDays = absFloor(daysToMonths(days));\n            months += monthsFromDays;\n            days -= absCeil(monthsToDays(monthsFromDays));\n\n            // 12 months -> 1 year\n            years = absFloor(months / 12);\n            months %= 12;\n\n            data.days   = days;\n            data.months = months;\n            data.years  = years;\n\n            return this;\n        }\n\n        function daysToMonths (days) {\n            // 400 years have 146097 days (taking into account leap year rules)\n            // 400 years have 12 months === 4800\n            return days * 4800 / 146097;\n        }\n\n        function monthsToDays (months) {\n            // the reverse of daysToMonths\n            return months * 146097 / 4800;\n        }\n\n        function as (units) {\n            if (!this.isValid()) {\n                return NaN;\n            }\n            var days;\n            var months;\n            var milliseconds = this._milliseconds;\n\n            units = normalizeUnits(units);\n\n            if (units === 'month' || units === 'year') {\n                days   = this._days   + milliseconds / 864e5;\n                months = this._months + daysToMonths(days);\n                return units === 'month' ? months : months / 12;\n            } else {\n                // handle milliseconds separately because of floating point math errors (issue #1867)\n                days = this._days + Math.round(monthsToDays(this._months));\n                switch (units) {\n                    case 'week'   : return days / 7     + milliseconds / 6048e5;\n                    case 'day'    : return days         + milliseconds / 864e5;\n                    case 'hour'   : return days * 24    + milliseconds / 36e5;\n                    case 'minute' : return days * 1440  + milliseconds / 6e4;\n                    case 'second' : return days * 86400 + milliseconds / 1000;\n                    // Math.floor prevents floating point math errors here\n                    case 'millisecond': return Math.floor(days * 864e5) + milliseconds;\n                    default: throw new Error('Unknown unit ' + units);\n                }\n            }\n        }\n\n// TODO: Use this.as('ms')?\n        function valueOf$1 () {\n            if (!this.isValid()) {\n                return NaN;\n            }\n            return (\n                this._milliseconds +\n                this._days * 864e5 +\n                (this._months % 12) * 2592e6 +\n                toInt(this._months / 12) * 31536e6\n            );\n        }\n\n        function makeAs (alias) {\n            return function () {\n                return this.as(alias);\n            };\n        }\n\n        var asMilliseconds = makeAs('ms');\n        var asSeconds      = makeAs('s');\n        var asMinutes      = makeAs('m');\n        var asHours        = makeAs('h');\n        var asDays         = makeAs('d');\n        var asWeeks        = makeAs('w');\n        var asMonths       = makeAs('M');\n        var asYears        = makeAs('y');\n\n        function get$2 (units) {\n            units = normalizeUnits(units);\n            return this.isValid() ? this[units + 's']() : NaN;\n        }\n\n        function makeGetter(name) {\n            return function () {\n                return this.isValid() ? this._data[name] : NaN;\n            };\n        }\n\n        var milliseconds = makeGetter('milliseconds');\n        var seconds      = makeGetter('seconds');\n        var minutes      = makeGetter('minutes');\n        var hours        = makeGetter('hours');\n        var days         = makeGetter('days');\n        var months       = makeGetter('months');\n        var years        = makeGetter('years');\n\n        function weeks () {\n            return absFloor(this.days() / 7);\n        }\n\n        var round = Math.round;\n        var thresholds = {\n            ss: 44,         // a few seconds to seconds\n            s : 45,         // seconds to minute\n            m : 45,         // minutes to hour\n            h : 22,         // hours to day\n            d : 26,         // days to month\n            M : 11          // months to year\n        };\n\n// helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize\n        function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {\n            return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);\n        }\n\n        function relativeTime$1 (posNegDuration, withoutSuffix, locale) {\n            var duration = createDuration(posNegDuration).abs();\n            var seconds  = round(duration.as('s'));\n            var minutes  = round(duration.as('m'));\n            var hours    = round(duration.as('h'));\n            var days     = round(duration.as('d'));\n            var months   = round(duration.as('M'));\n            var years    = round(duration.as('y'));\n\n            var a = seconds <= thresholds.ss && ['s', seconds]  ||\n                seconds < thresholds.s   && ['ss', seconds] ||\n                minutes <= 1             && ['m']           ||\n                minutes < thresholds.m   && ['mm', minutes] ||\n                hours   <= 1             && ['h']           ||\n                hours   < thresholds.h   && ['hh', hours]   ||\n                days    <= 1             && ['d']           ||\n                days    < thresholds.d   && ['dd', days]    ||\n                months  <= 1             && ['M']           ||\n                months  < thresholds.M   && ['MM', months]  ||\n                years   <= 1             && ['y']           || ['yy', years];\n\n            a[2] = withoutSuffix;\n            a[3] = +posNegDuration > 0;\n            a[4] = locale;\n            return substituteTimeAgo.apply(null, a);\n        }\n\n// This function allows you to set the rounding function for relative time strings\n        function getSetRelativeTimeRounding (roundingFunction) {\n            if (roundingFunction === undefined) {\n                return round;\n            }\n            if (typeof(roundingFunction) === 'function') {\n                round = roundingFunction;\n                return true;\n            }\n            return false;\n        }\n\n// This function allows you to set a threshold for relative time strings\n        function getSetRelativeTimeThreshold (threshold, limit) {\n            if (thresholds[threshold] === undefined) {\n                return false;\n            }\n            if (limit === undefined) {\n                return thresholds[threshold];\n            }\n            thresholds[threshold] = limit;\n            if (threshold === 's') {\n                thresholds.ss = limit - 1;\n            }\n            return true;\n        }\n\n        function humanize (withSuffix) {\n            if (!this.isValid()) {\n                return this.localeData().invalidDate();\n            }\n\n            var locale = this.localeData();\n            var output = relativeTime$1(this, !withSuffix, locale);\n\n            if (withSuffix) {\n                output = locale.pastFuture(+this, output);\n            }\n\n            return locale.postformat(output);\n        }\n\n        var abs$1 = Math.abs;\n\n        function toISOString$1() {\n            // for ISO strings we do not use the normal bubbling rules:\n            //  * milliseconds bubble up until they become hours\n            //  * days do not bubble at all\n            //  * months bubble up until they become years\n            // This is because there is no context-free conversion between hours and days\n            // (think of clock changes)\n            // and also not between days and months (28-31 days per month)\n            if (!this.isValid()) {\n                return this.localeData().invalidDate();\n            }\n\n            var seconds = abs$1(this._milliseconds) / 1000;\n            var days         = abs$1(this._days);\n            var months       = abs$1(this._months);\n            var minutes, hours, years;\n\n            // 3600 seconds -> 60 minutes -> 1 hour\n            minutes           = absFloor(seconds / 60);\n            hours             = absFloor(minutes / 60);\n            seconds %= 60;\n            minutes %= 60;\n\n            // 12 months -> 1 year\n            years  = absFloor(months / 12);\n            months %= 12;\n\n\n            // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js\n            var Y = years;\n            var M = months;\n            var D = days;\n            var h = hours;\n            var m = minutes;\n            var s = seconds;\n            var total = this.asSeconds();\n\n            if (!total) {\n                // this is the same as C#'s (Noda) and python (isodate)...\n                // but not other JS (goog.date)\n                return 'P0D';\n            }\n\n            return (total < 0 ? '-' : '') +\n                'P' +\n                (Y ? Y + 'Y' : '') +\n                (M ? M + 'M' : '') +\n                (D ? D + 'D' : '') +\n                ((h || m || s) ? 'T' : '') +\n                (h ? h + 'H' : '') +\n                (m ? m + 'M' : '') +\n                (s ? s + 'S' : '');\n        }\n\n        var proto$2 = Duration.prototype;\n\n        proto$2.isValid        = isValid$1;\n        proto$2.abs            = abs;\n        proto$2.add            = add$1;\n        proto$2.subtract       = subtract$1;\n        proto$2.as             = as;\n        proto$2.asMilliseconds = asMilliseconds;\n        proto$2.asSeconds      = asSeconds;\n        proto$2.asMinutes      = asMinutes;\n        proto$2.asHours        = asHours;\n        proto$2.asDays         = asDays;\n        proto$2.asWeeks        = asWeeks;\n        proto$2.asMonths       = asMonths;\n        proto$2.asYears        = asYears;\n        proto$2.valueOf        = valueOf$1;\n        proto$2._bubble        = bubble;\n        proto$2.get            = get$2;\n        proto$2.milliseconds   = milliseconds;\n        proto$2.seconds        = seconds;\n        proto$2.minutes        = minutes;\n        proto$2.hours          = hours;\n        proto$2.days           = days;\n        proto$2.weeks          = weeks;\n        proto$2.months         = months;\n        proto$2.years          = years;\n        proto$2.humanize       = humanize;\n        proto$2.toISOString    = toISOString$1;\n        proto$2.toString       = toISOString$1;\n        proto$2.toJSON         = toISOString$1;\n        proto$2.locale         = locale;\n        proto$2.localeData     = localeData;\n\n// Deprecations\n        proto$2.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', toISOString$1);\n        proto$2.lang = lang;\n\n// Side effect imports\n\n// FORMATTING\n\n        addFormatToken('X', 0, 0, 'unix');\n        addFormatToken('x', 0, 0, 'valueOf');\n\n// PARSING\n\n        addRegexToken('x', matchSigned);\n        addRegexToken('X', matchTimestamp);\n        addParseToken('X', function (input, array, config) {\n            config._d = new Date(parseFloat(input, 10) * 1000);\n        });\n        addParseToken('x', function (input, array, config) {\n            config._d = new Date(toInt(input));\n        });\n\n// Side effect imports\n\n\n        hooks.version = '2.18.1';\n\n        setHookCallback(createLocal);\n\n        hooks.fn                    = proto;\n        hooks.min                   = min;\n        hooks.max                   = max;\n        hooks.now                   = now;\n        hooks.utc                   = createUTC;\n        hooks.unix                  = createUnix;\n        hooks.months                = listMonths;\n        hooks.isDate                = isDate;\n        hooks.locale                = getSetGlobalLocale;\n        hooks.invalid               = createInvalid;\n        hooks.duration              = createDuration;\n        hooks.isMoment              = isMoment;\n        hooks.weekdays              = listWeekdays;\n        hooks.parseZone             = createInZone;\n        hooks.localeData            = getLocale;\n        hooks.isDuration            = isDuration;\n        hooks.monthsShort           = listMonthsShort;\n        hooks.weekdaysMin           = listWeekdaysMin;\n        hooks.defineLocale          = defineLocale;\n        hooks.updateLocale          = updateLocale;\n        hooks.locales               = listLocales;\n        hooks.weekdaysShort         = listWeekdaysShort;\n        hooks.normalizeUnits        = normalizeUnits;\n        hooks.relativeTimeRounding = getSetRelativeTimeRounding;\n        hooks.relativeTimeThreshold = getSetRelativeTimeThreshold;\n        hooks.calendarFormat        = getCalendarFormat;\n        hooks.prototype             = proto;\n\n        return hooks;\n\n    })));\n\n},{}],7:[function(require,module,exports){\n    /**\n     * @namespace Chart\n     */\n    var Chart = require(29)();\n\n    Chart.helpers = require(45);\n\n// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!\n    require(27)(Chart);\n\n    Chart.defaults = require(25);\n    Chart.Element = require(26);\n    Chart.elements = require(40);\n    Chart.Interaction = require(28);\n    Chart.platform = require(48);\n\n    require(31)(Chart);\n    require(22)(Chart);\n    require(23)(Chart);\n    require(24)(Chart);\n    require(30)(Chart);\n    require(33)(Chart);\n    require(32)(Chart);\n    require(35)(Chart);\n\n    require(54)(Chart);\n    require(52)(Chart);\n    require(53)(Chart);\n    require(55)(Chart);\n    require(56)(Chart);\n    require(57)(Chart);\n\n// Controllers must be loaded after elements\n// See Chart.core.datasetController.dataElementType\n    require(15)(Chart);\n    require(16)(Chart);\n    require(17)(Chart);\n    require(18)(Chart);\n    require(19)(Chart);\n    require(20)(Chart);\n    require(21)(Chart);\n\n    require(8)(Chart);\n    require(9)(Chart);\n    require(10)(Chart);\n    require(11)(Chart);\n    require(12)(Chart);\n    require(13)(Chart);\n    require(14)(Chart);\n\n// Loading built-it plugins\n    var plugins = [];\n\n    plugins.push(\n        require(49)(Chart),\n        require(50)(Chart),\n        require(51)(Chart)\n    );\n\n    Chart.plugins.register(plugins);\n\n    Chart.platform.initialize();\n\n    module.exports = Chart;\n    if (typeof window !== 'undefined') {\n        window.Chart = Chart;\n    }\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas instead.\n     * @namespace Chart.canvasHelpers\n     * @deprecated since version 2.6.0\n     * @todo remove at version 3\n     * @private\n     */\n    Chart.canvasHelpers = Chart.helpers.canvas;\n\n},{\"10\":10,\"11\":11,\"12\":12,\"13\":13,\"14\":14,\"15\":15,\"16\":16,\"17\":17,\"18\":18,\"19\":19,\"20\":20,\"21\":21,\"22\":22,\"23\":23,\"24\":24,\"25\":25,\"26\":26,\"27\":27,\"28\":28,\"29\":29,\"30\":30,\"31\":31,\"32\":32,\"33\":33,\"35\":35,\"40\":40,\"45\":45,\"48\":48,\"49\":49,\"50\":50,\"51\":51,\"52\":52,\"53\":53,\"54\":54,\"55\":55,\"56\":56,\"57\":57,\"8\":8,\"9\":9}],8:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Bar = function(context, config) {\n            config.type = 'bar';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],9:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Bubble = function(context, config) {\n            config.type = 'bubble';\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],10:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Doughnut = function(context, config) {\n            config.type = 'doughnut';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],11:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Line = function(context, config) {\n            config.type = 'line';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],12:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.PolarArea = function(context, config) {\n            config.type = 'polarArea';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],13:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        Chart.Radar = function(context, config) {\n            config.type = 'radar';\n\n            return new Chart(context, config);\n        };\n\n    };\n\n},{}],14:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n        Chart.Scatter = function(context, config) {\n            config.type = 'scatter';\n            return new Chart(context, config);\n        };\n    };\n\n},{}],15:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('bar', {\n        hover: {\n            mode: 'label'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'category',\n\n                // Specific to Bar Controller\n                categoryPercentage: 0.8,\n                barPercentage: 0.9,\n\n                // offset settings\n                offset: true,\n\n                // grid line settings\n                gridLines: {\n                    offsetGridLines: true\n                }\n            }],\n\n            yAxes: [{\n                type: 'linear'\n            }]\n        }\n    });\n\n    defaults._set('horizontalBar', {\n        hover: {\n            mode: 'index',\n            axis: 'y'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'linear',\n                position: 'bottom'\n            }],\n\n            yAxes: [{\n                position: 'left',\n                type: 'category',\n\n                // Specific to Horizontal Bar Controller\n                categoryPercentage: 0.8,\n                barPercentage: 0.9,\n\n                // offset settings\n                offset: true,\n\n                // grid line settings\n                gridLines: {\n                    offsetGridLines: true\n                }\n            }]\n        },\n\n        elements: {\n            rectangle: {\n                borderSkipped: 'left'\n            }\n        },\n\n        tooltips: {\n            callbacks: {\n                title: function(item, data) {\n                    // Pick first xLabel for now\n                    var title = '';\n\n                    if (item.length > 0) {\n                        if (item[0].yLabel) {\n                            title = item[0].yLabel;\n                        } else if (data.labels.length > 0 && item[0].index < data.labels.length) {\n                            title = data.labels[item[0].index];\n                        }\n                    }\n\n                    return title;\n                },\n\n                label: function(item, data) {\n                    var datasetLabel = data.datasets[item.datasetIndex].label || '';\n                    return datasetLabel + ': ' + item.xLabel;\n                }\n            },\n            mode: 'index',\n            axis: 'y'\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.bar = Chart.DatasetController.extend({\n\n            dataElementType: elements.Rectangle,\n\n            initialize: function() {\n                var me = this;\n                var meta;\n\n                Chart.DatasetController.prototype.initialize.apply(me, arguments);\n\n                meta = me.getMeta();\n                meta.stack = me.getDataset().stack;\n                meta.bar = true;\n            },\n\n            update: function(reset) {\n                var me = this;\n                var rects = me.getMeta().data;\n                var i, ilen;\n\n                me._ruler = me.getRuler();\n\n                for (i = 0, ilen = rects.length; i < ilen; ++i) {\n                    me.updateElement(rects[i], i, reset);\n                }\n            },\n\n            updateElement: function(rectangle, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var dataset = me.getDataset();\n                var custom = rectangle.custom || {};\n                var rectangleOptions = chart.options.elements.rectangle;\n\n                rectangle._xScale = me.getScaleForId(meta.xAxisID);\n                rectangle._yScale = me.getScaleForId(meta.yAxisID);\n                rectangle._datasetIndex = me.index;\n                rectangle._index = index;\n\n                rectangle._model = {\n                    datasetLabel: dataset.label,\n                    label: chart.data.labels[index],\n                    borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped,\n                    backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor),\n                    borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor),\n                    borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth)\n                };\n\n                me.updateElementGeometry(rectangle, index, reset);\n\n                rectangle.pivot();\n            },\n\n            /**\n             * @private\n             */\n            updateElementGeometry: function(rectangle, index, reset) {\n                var me = this;\n                var model = rectangle._model;\n                var vscale = me.getValueScale();\n                var base = vscale.getBasePixel();\n                var horizontal = vscale.isHorizontal();\n                var ruler = me._ruler || me.getRuler();\n                var vpixels = me.calculateBarValuePixels(me.index, index);\n                var ipixels = me.calculateBarIndexPixels(me.index, index, ruler);\n\n                model.horizontal = horizontal;\n                model.base = reset ? base : vpixels.base;\n                model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;\n                model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;\n                model.height = horizontal ? ipixels.size : undefined;\n                model.width = horizontal ? undefined : ipixels.size;\n            },\n\n            /**\n             * @private\n             */\n            getValueScaleId: function() {\n                return this.getMeta().yAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getIndexScaleId: function() {\n                return this.getMeta().xAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getValueScale: function() {\n                return this.getScaleForId(this.getValueScaleId());\n            },\n\n            /**\n             * @private\n             */\n            getIndexScale: function() {\n                return this.getScaleForId(this.getIndexScaleId());\n            },\n\n            /**\n             * Returns the effective number of stacks based on groups and bar visibility.\n             * @private\n             */\n            getStackCount: function(last) {\n                var me = this;\n                var chart = me.chart;\n                var scale = me.getIndexScale();\n                var stacked = scale.options.stacked;\n                var ilen = last === undefined ? chart.data.datasets.length : last + 1;\n                var stacks = [];\n                var i, meta;\n\n                for (i = 0; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    if (meta.bar && chart.isDatasetVisible(i) &&\n                        (stacked === false ||\n                        (stacked === true && stacks.indexOf(meta.stack) === -1) ||\n                        (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) {\n                        stacks.push(meta.stack);\n                    }\n                }\n\n                return stacks.length;\n            },\n\n            /**\n             * Returns the stack index for the given dataset based on groups and bar visibility.\n             * @private\n             */\n            getStackIndex: function(datasetIndex) {\n                return this.getStackCount(datasetIndex) - 1;\n            },\n\n            /**\n             * @private\n             */\n            getRuler: function() {\n                var me = this;\n                var scale = me.getIndexScale();\n                var stackCount = me.getStackCount();\n                var datasetIndex = me.index;\n                var pixels = [];\n                var isHorizontal = scale.isHorizontal();\n                var start = isHorizontal ? scale.left : scale.top;\n                var end = start + (isHorizontal ? scale.width : scale.height);\n                var i, ilen;\n\n                for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {\n                    pixels.push(scale.getPixelForValue(null, i, datasetIndex));\n                }\n\n                return {\n                    pixels: pixels,\n                    start: start,\n                    end: end,\n                    stackCount: stackCount,\n                    scale: scale\n                };\n            },\n\n            /**\n             * Note: pixel values are not clamped to the scale area.\n             * @private\n             */\n            calculateBarValuePixels: function(datasetIndex, index) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var scale = me.getValueScale();\n                var datasets = chart.data.datasets;\n                var value = scale.getRightValue(datasets[datasetIndex].data[index]);\n                var stacked = scale.options.stacked;\n                var stack = meta.stack;\n                var start = 0;\n                var i, imeta, ivalue, base, head, size;\n\n                if (stacked || (stacked === undefined && stack !== undefined)) {\n                    for (i = 0; i < datasetIndex; ++i) {\n                        imeta = chart.getDatasetMeta(i);\n\n                        if (imeta.bar &&\n                            imeta.stack === stack &&\n                            imeta.controller.getValueScaleId() === scale.id &&\n                            chart.isDatasetVisible(i)) {\n\n                            ivalue = scale.getRightValue(datasets[i].data[index]);\n                            if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) {\n                                start += ivalue;\n                            }\n                        }\n                    }\n                }\n\n                base = scale.getPixelForValue(start);\n                head = scale.getPixelForValue(start + value);\n                size = (head - base) / 2;\n\n                return {\n                    size: size,\n                    base: base,\n                    head: head,\n                    center: head + size / 2\n                };\n            },\n\n            /**\n             * @private\n             */\n            calculateBarIndexPixels: function(datasetIndex, index, ruler) {\n                var me = this;\n                var options = ruler.scale.options;\n                var stackIndex = me.getStackIndex(datasetIndex);\n                var pixels = ruler.pixels;\n                var base = pixels[index];\n                var length = pixels.length;\n                var start = ruler.start;\n                var end = ruler.end;\n                var leftSampleSize, rightSampleSize, leftCategorySize, rightCategorySize, fullBarSize, size;\n\n                if (length === 1) {\n                    leftSampleSize = base > start ? base - start : end - base;\n                    rightSampleSize = base < end ? end - base : base - start;\n                } else {\n                    if (index > 0) {\n                        leftSampleSize = (base - pixels[index - 1]) / 2;\n                        if (index === length - 1) {\n                            rightSampleSize = leftSampleSize;\n                        }\n                    }\n                    if (index < length - 1) {\n                        rightSampleSize = (pixels[index + 1] - base) / 2;\n                        if (index === 0) {\n                            leftSampleSize = rightSampleSize;\n                        }\n                    }\n                }\n\n                leftCategorySize = leftSampleSize * options.categoryPercentage;\n                rightCategorySize = rightSampleSize * options.categoryPercentage;\n                fullBarSize = (leftCategorySize + rightCategorySize) / ruler.stackCount;\n                size = fullBarSize * options.barPercentage;\n\n                size = Math.min(\n                    helpers.valueOrDefault(options.barThickness, size),\n                    helpers.valueOrDefault(options.maxBarThickness, Infinity));\n\n                base -= leftCategorySize;\n                base += fullBarSize * stackIndex;\n                base += (fullBarSize - size) / 2;\n\n                return {\n                    size: size,\n                    base: base,\n                    head: base + size,\n                    center: base + size / 2\n                };\n            },\n\n            draw: function() {\n                var me = this;\n                var chart = me.chart;\n                var scale = me.getValueScale();\n                var rects = me.getMeta().data;\n                var dataset = me.getDataset();\n                var ilen = rects.length;\n                var i = 0;\n\n                helpers.canvas.clipArea(chart.ctx, chart.chartArea);\n\n                for (; i < ilen; ++i) {\n                    if (!isNaN(scale.getRightValue(dataset.data[i]))) {\n                        rects[i].draw();\n                    }\n                }\n\n                helpers.canvas.unclipArea(chart.ctx);\n            },\n\n            setHoverStyle: function(rectangle) {\n                var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n                var index = rectangle._index;\n                var custom = rectangle.custom || {};\n                var model = rectangle._model;\n\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(rectangle) {\n                var dataset = this.chart.data.datasets[rectangle._datasetIndex];\n                var index = rectangle._index;\n                var custom = rectangle.custom || {};\n                var model = rectangle._model;\n                var rectangleElementOptions = this.chart.options.elements.rectangle;\n\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth);\n            }\n        });\n\n        Chart.controllers.horizontalBar = Chart.controllers.bar.extend({\n            /**\n             * @private\n             */\n            getValueScaleId: function() {\n                return this.getMeta().xAxisID;\n            },\n\n            /**\n             * @private\n             */\n            getIndexScaleId: function() {\n                return this.getMeta().yAxisID;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],16:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('bubble', {\n        hover: {\n            mode: 'single'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'linear', // bubble should probably use a linear scale by default\n                position: 'bottom',\n                id: 'x-axis-0' // need an ID so datasets can reference the scale\n            }],\n            yAxes: [{\n                type: 'linear',\n                position: 'left',\n                id: 'y-axis-0'\n            }]\n        },\n\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    // Title doesn't make sense for scatter since we format the data as a point\n                    return '';\n                },\n                label: function(item, data) {\n                    var datasetLabel = data.datasets[item.datasetIndex].label || '';\n                    var dataPoint = data.datasets[item.datasetIndex].data[item.index];\n                    return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';\n                }\n            }\n        }\n    });\n\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.bubble = Chart.DatasetController.extend({\n            /**\n             * @protected\n             */\n            dataElementType: elements.Point,\n\n            /**\n             * @protected\n             */\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var points = meta.data;\n\n                // Update Points\n                helpers.each(points, function(point, index) {\n                    me.updateElement(point, index, reset);\n                });\n            },\n\n            /**\n             * @protected\n             */\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var custom = point.custom || {};\n                var xScale = me.getScaleForId(meta.xAxisID);\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var options = me._resolveElementOptions(point, index);\n                var data = me.getDataset().data[index];\n                var dsIndex = me.index;\n\n                var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);\n                var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);\n\n                point._xScale = xScale;\n                point._yScale = yScale;\n                point._options = options;\n                point._datasetIndex = dsIndex;\n                point._index = index;\n                point._model = {\n                    backgroundColor: options.backgroundColor,\n                    borderColor: options.borderColor,\n                    borderWidth: options.borderWidth,\n                    hitRadius: options.hitRadius,\n                    pointStyle: options.pointStyle,\n                    radius: reset ? 0 : options.radius,\n                    skip: custom.skip || isNaN(x) || isNaN(y),\n                    x: x,\n                    y: y,\n                };\n\n                point.pivot();\n            },\n\n            /**\n             * @protected\n             */\n            setHoverStyle: function(point) {\n                var model = point._model;\n                var options = point._options;\n\n                model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor));\n                model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor));\n                model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth);\n                model.radius = options.radius + options.hoverRadius;\n            },\n\n            /**\n             * @protected\n             */\n            removeHoverStyle: function(point) {\n                var model = point._model;\n                var options = point._options;\n\n                model.backgroundColor = options.backgroundColor;\n                model.borderColor = options.borderColor;\n                model.borderWidth = options.borderWidth;\n                model.radius = options.radius;\n            },\n\n            /**\n             * @private\n             */\n            _resolveElementOptions: function(point, index) {\n                var me = this;\n                var chart = me.chart;\n                var datasets = chart.data.datasets;\n                var dataset = datasets[me.index];\n                var custom = point.custom || {};\n                var options = chart.options.elements.point;\n                var resolve = helpers.options.resolve;\n                var data = dataset.data[index];\n                var values = {};\n                var i, ilen, key;\n\n                // Scriptable options\n                var context = {\n                    chart: chart,\n                    dataIndex: index,\n                    dataset: dataset,\n                    datasetIndex: me.index\n                };\n\n                var keys = [\n                    'backgroundColor',\n                    'borderColor',\n                    'borderWidth',\n                    'hoverBackgroundColor',\n                    'hoverBorderColor',\n                    'hoverBorderWidth',\n                    'hoverRadius',\n                    'hitRadius',\n                    'pointStyle'\n                ];\n\n                for (i = 0, ilen = keys.length; i < ilen; ++i) {\n                    key = keys[i];\n                    values[key] = resolve([\n                        custom[key],\n                        dataset[key],\n                        options[key]\n                    ], context, index);\n                }\n\n                // Custom radius resolution\n                values.radius = resolve([\n                    custom.radius,\n                    data ? data.r : undefined,\n                    dataset.radius,\n                    options.radius\n                ], context, index);\n\n                return values;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],17:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('doughnut', {\n        animation: {\n            // Boolean - Whether we animate the rotation of the Doughnut\n            animateRotate: true,\n            // Boolean - Whether we animate scaling the Doughnut from the centre\n            animateScale: false\n        },\n        hover: {\n            mode: 'single'\n        },\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n\n            var data = chart.data;\n            var datasets = data.datasets;\n            var labels = data.labels;\n\n            if (datasets.length) {\n                for (var i = 0; i < datasets[0].data.length; ++i) {\n                    text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n                    if (labels[i]) {\n                        text.push(labels[i]);\n                    }\n                    text.push('</li>');\n                }\n            }\n\n            text.push('</ul>');\n            return text.join('');\n        },\n        legend: {\n            labels: {\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    if (data.labels.length && data.datasets.length) {\n                        return data.labels.map(function(label, i) {\n                            var meta = chart.getDatasetMeta(0);\n                            var ds = data.datasets[0];\n                            var arc = meta.data[i];\n                            var custom = arc && arc.custom || {};\n                            var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n                            var arcOpts = chart.options.elements.arc;\n                            var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n                            var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n                            var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n                            return {\n                                text: label,\n                                fillStyle: fill,\n                                strokeStyle: stroke,\n                                lineWidth: bw,\n                                hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n                                // Extra data used for toggling the correct item\n                                index: i\n                            };\n                        });\n                    }\n                    return [];\n                }\n            },\n\n            onClick: function(e, legendItem) {\n                var index = legendItem.index;\n                var chart = this.chart;\n                var i, ilen, meta;\n\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    // toggle visibility of index if exists\n                    if (meta.data[index]) {\n                        meta.data[index].hidden = !meta.data[index].hidden;\n                    }\n                }\n\n                chart.update();\n            }\n        },\n\n        // The percentage of the chart that we cut out of the middle.\n        cutoutPercentage: 50,\n\n        // The rotation of the chart, where the first data arc begins.\n        rotation: Math.PI * -0.5,\n\n        // The total circumference of the chart.\n        circumference: Math.PI * 2.0,\n\n        // Need to override these to give a nice default\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';\n                },\n                label: function(tooltipItem, data) {\n                    var dataLabel = data.labels[tooltipItem.index];\n                    var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];\n\n                    if (helpers.isArray(dataLabel)) {\n                        // show value on first line of multiline label\n                        // need to clone because we are changing the value\n                        dataLabel = dataLabel.slice();\n                        dataLabel[0] += value;\n                    } else {\n                        dataLabel += value;\n                    }\n\n                    return dataLabel;\n                }\n            }\n        }\n    });\n\n    defaults._set('pie', helpers.clone(defaults.doughnut));\n    defaults._set('pie', {\n        cutoutPercentage: 0\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({\n\n            dataElementType: elements.Arc,\n\n            linkScales: helpers.noop,\n\n            // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly\n            getRingIndex: function(datasetIndex) {\n                var ringIndex = 0;\n\n                for (var j = 0; j < datasetIndex; ++j) {\n                    if (this.chart.isDatasetVisible(j)) {\n                        ++ringIndex;\n                    }\n                }\n\n                return ringIndex;\n            },\n\n            update: function(reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var opts = chart.options;\n                var arcOpts = opts.elements.arc;\n                var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth;\n                var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth;\n                var minSize = Math.min(availableWidth, availableHeight);\n                var offset = {x: 0, y: 0};\n                var meta = me.getMeta();\n                var cutoutPercentage = opts.cutoutPercentage;\n                var circumference = opts.circumference;\n\n                // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc\n                if (circumference < Math.PI * 2.0) {\n                    var startAngle = opts.rotation % (Math.PI * 2.0);\n                    startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0);\n                    var endAngle = startAngle + circumference;\n                    var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)};\n                    var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)};\n                    var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle);\n                    var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle);\n                    var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle);\n                    var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle);\n                    var cutout = cutoutPercentage / 100.0;\n                    var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))};\n                    var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))};\n                    var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5};\n                    minSize = Math.min(availableWidth / size.width, availableHeight / size.height);\n                    offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5};\n                }\n\n                chart.borderWidth = me.getMaxBorderWidth(meta.data);\n                chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0);\n                chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0);\n                chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n                chart.offsetX = offset.x * chart.outerRadius;\n                chart.offsetY = offset.y * chart.outerRadius;\n\n                meta.total = me.calculateTotal();\n\n                me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index));\n                me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0);\n\n                helpers.each(meta.data, function(arc, index) {\n                    me.updateElement(arc, index, reset);\n                });\n            },\n\n            updateElement: function(arc, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var opts = chart.options;\n                var animationOpts = opts.animation;\n                var centerX = (chartArea.left + chartArea.right) / 2;\n                var centerY = (chartArea.top + chartArea.bottom) / 2;\n                var startAngle = opts.rotation; // non reset case handled later\n                var endAngle = opts.rotation; // non reset case handled later\n                var dataset = me.getDataset();\n                var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI));\n                var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;\n                var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;\n                var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n                helpers.extend(arc, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n\n                    // Desired view properties\n                    _model: {\n                        x: centerX + chart.offsetX,\n                        y: centerY + chart.offsetY,\n                        startAngle: startAngle,\n                        endAngle: endAngle,\n                        circumference: circumference,\n                        outerRadius: outerRadius,\n                        innerRadius: innerRadius,\n                        label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])\n                    }\n                });\n\n                var model = arc._model;\n                // Resets the visual styles\n                this.removeHoverStyle(arc);\n\n                // Set correct angles if not resetting\n                if (!reset || !animationOpts.animateRotate) {\n                    if (index === 0) {\n                        model.startAngle = opts.rotation;\n                    } else {\n                        model.startAngle = me.getMeta().data[index - 1]._model.endAngle;\n                    }\n\n                    model.endAngle = model.startAngle + model.circumference;\n                }\n\n                arc.pivot();\n            },\n\n            removeHoverStyle: function(arc) {\n                Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n            },\n\n            calculateTotal: function() {\n                var dataset = this.getDataset();\n                var meta = this.getMeta();\n                var total = 0;\n                var value;\n\n                helpers.each(meta.data, function(element, index) {\n                    value = dataset.data[index];\n                    if (!isNaN(value) && !element.hidden) {\n                        total += Math.abs(value);\n                    }\n                });\n\n\t\t\t\t/* if (total === 0) {\n\t\t\t\t total = NaN;\n\t\t\t\t }*/\n\n                return total;\n            },\n\n            calculateCircumference: function(value) {\n                var total = this.getMeta().total;\n                if (total > 0 && !isNaN(value)) {\n                    return (Math.PI * 2.0) * (value / total);\n                }\n                return 0;\n            },\n\n            // gets the max border or hover width to properly scale pie charts\n            getMaxBorderWidth: function(arcs) {\n                var max = 0;\n                var index = this.index;\n                var length = arcs.length;\n                var borderWidth;\n                var hoverWidth;\n\n                for (var i = 0; i < length; i++) {\n                    borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0;\n                    hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0;\n\n                    max = borderWidth > max ? borderWidth : max;\n                    max = hoverWidth > max ? hoverWidth : max;\n                }\n                return max;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],18:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('line', {\n        showLines: true,\n        spanGaps: false,\n\n        hover: {\n            mode: 'label'\n        },\n\n        scales: {\n            xAxes: [{\n                type: 'category',\n                id: 'x-axis-0'\n            }],\n            yAxes: [{\n                type: 'linear',\n                id: 'y-axis-0'\n            }]\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        function lineEnabled(dataset, options) {\n            return helpers.valueOrDefault(dataset.showLine, options.showLines);\n        }\n\n        Chart.controllers.line = Chart.DatasetController.extend({\n\n            datasetElementType: elements.Line,\n\n            dataElementType: elements.Point,\n\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var line = meta.dataset;\n                var points = meta.data || [];\n                var options = me.chart.options;\n                var lineElementOptions = options.elements.line;\n                var scale = me.getScaleForId(meta.yAxisID);\n                var i, ilen, custom;\n                var dataset = me.getDataset();\n                var showLine = lineEnabled(dataset, options);\n\n                // Update Line\n                if (showLine) {\n                    custom = line.custom || {};\n\n                    // Compatibility: If the properties are defined with only the old name, use those values\n                    if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n                        dataset.lineTension = dataset.tension;\n                    }\n\n                    // Utility\n                    line._scale = scale;\n                    line._datasetIndex = me.index;\n                    // Data\n                    line._children = points;\n                    // Model\n                    line._model = {\n                        // Appearance\n                        // The default behavior of lines is to break at null values, according\n                        // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158\n                        // This option gives lines the ability to span gaps\n                        spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps,\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n                        borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n                        borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n                        borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n                        borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n                        borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n                        fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n                        steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped),\n                        cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode),\n                    };\n\n                    line.pivot();\n                }\n\n                // Update Points\n                for (i = 0, ilen = points.length; i < ilen; ++i) {\n                    me.updateElement(points[i], i, reset);\n                }\n\n                if (showLine && line._model.tension !== 0) {\n                    me.updateBezierControlPoints();\n                }\n\n                // Now pivot the point for animation\n                for (i = 0, ilen = points.length; i < ilen; ++i) {\n                    points[i].pivot();\n                }\n            },\n\n            getPointBackgroundColor: function(point, index) {\n                var backgroundColor = this.chart.options.elements.point.backgroundColor;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (custom.backgroundColor) {\n                    backgroundColor = custom.backgroundColor;\n                } else if (dataset.pointBackgroundColor) {\n                    backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);\n                } else if (dataset.backgroundColor) {\n                    backgroundColor = dataset.backgroundColor;\n                }\n\n                return backgroundColor;\n            },\n\n            getPointBorderColor: function(point, index) {\n                var borderColor = this.chart.options.elements.point.borderColor;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (custom.borderColor) {\n                    borderColor = custom.borderColor;\n                } else if (dataset.pointBorderColor) {\n                    borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor);\n                } else if (dataset.borderColor) {\n                    borderColor = dataset.borderColor;\n                }\n\n                return borderColor;\n            },\n\n            getPointBorderWidth: function(point, index) {\n                var borderWidth = this.chart.options.elements.point.borderWidth;\n                var dataset = this.getDataset();\n                var custom = point.custom || {};\n\n                if (!isNaN(custom.borderWidth)) {\n                    borderWidth = custom.borderWidth;\n                } else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) {\n                    borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);\n                } else if (!isNaN(dataset.borderWidth)) {\n                    borderWidth = dataset.borderWidth;\n                }\n\n                return borderWidth;\n            },\n\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var custom = point.custom || {};\n                var dataset = me.getDataset();\n                var datasetIndex = me.index;\n                var value = dataset.data[index];\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var xScale = me.getScaleForId(meta.xAxisID);\n                var pointOptions = me.chart.options.elements.point;\n                var x, y;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n                if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n                    dataset.pointHitRadius = dataset.hitRadius;\n                }\n\n                x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);\n                y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);\n\n                // Utility\n                point._xScale = xScale;\n                point._yScale = yScale;\n                point._datasetIndex = datasetIndex;\n                point._index = index;\n\n                // Desired view properties\n                point._model = {\n                    x: x,\n                    y: y,\n                    skip: custom.skip || isNaN(x) || isNaN(y),\n                    // Appearance\n                    radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius),\n                    pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle),\n                    backgroundColor: me.getPointBackgroundColor(point, index),\n                    borderColor: me.getPointBorderColor(point, index),\n                    borderWidth: me.getPointBorderWidth(point, index),\n                    tension: meta.dataset._model ? meta.dataset._model.tension : 0,\n                    steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false,\n                    // Tooltip\n                    hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius)\n                };\n            },\n\n            calculatePointY: function(value, index, datasetIndex) {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var yScale = me.getScaleForId(meta.yAxisID);\n                var sumPos = 0;\n                var sumNeg = 0;\n                var i, ds, dsMeta;\n\n                if (yScale.options.stacked) {\n                    for (i = 0; i < datasetIndex; i++) {\n                        ds = chart.data.datasets[i];\n                        dsMeta = chart.getDatasetMeta(i);\n                        if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) {\n                            var stackedRightValue = Number(yScale.getRightValue(ds.data[index]));\n                            if (stackedRightValue < 0) {\n                                sumNeg += stackedRightValue || 0;\n                            } else {\n                                sumPos += stackedRightValue || 0;\n                            }\n                        }\n                    }\n\n                    var rightValue = Number(yScale.getRightValue(value));\n                    if (rightValue < 0) {\n                        return yScale.getPixelForValue(sumNeg + rightValue);\n                    }\n                    return yScale.getPixelForValue(sumPos + rightValue);\n                }\n\n                return yScale.getPixelForValue(value);\n            },\n\n            updateBezierControlPoints: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var area = me.chart.chartArea;\n                var points = (meta.data || []);\n                var i, ilen, point, model, controlPoints;\n\n                // Only consider points that are drawn in case the spanGaps option is used\n                if (meta.dataset._model.spanGaps) {\n                    points = points.filter(function(pt) {\n                        return !pt._model.skip;\n                    });\n                }\n\n                function capControlPoint(pt, min, max) {\n                    return Math.max(Math.min(pt, max), min);\n                }\n\n                if (meta.dataset._model.cubicInterpolationMode === 'monotone') {\n                    helpers.splineCurveMonotone(points);\n                } else {\n                    for (i = 0, ilen = points.length; i < ilen; ++i) {\n                        point = points[i];\n                        model = point._model;\n                        controlPoints = helpers.splineCurve(\n                            helpers.previousItem(points, i)._model,\n                            model,\n                            helpers.nextItem(points, i)._model,\n                            meta.dataset._model.tension\n                        );\n                        model.controlPointPreviousX = controlPoints.previous.x;\n                        model.controlPointPreviousY = controlPoints.previous.y;\n                        model.controlPointNextX = controlPoints.next.x;\n                        model.controlPointNextY = controlPoints.next.y;\n                    }\n                }\n\n                if (me.chart.options.elements.line.capBezierPoints) {\n                    for (i = 0, ilen = points.length; i < ilen; ++i) {\n                        model = points[i]._model;\n                        model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);\n                        model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);\n                        model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);\n                        model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);\n                    }\n                }\n            },\n\n            draw: function() {\n                var me = this;\n                var chart = me.chart;\n                var meta = me.getMeta();\n                var points = meta.data || [];\n                var area = chart.chartArea;\n                var ilen = points.length;\n                var i = 0;\n\n                helpers.canvas.clipArea(chart.ctx, area);\n\n                if (lineEnabled(me.getDataset(), chart.options)) {\n                    meta.dataset.draw();\n                }\n\n                helpers.canvas.unclipArea(chart.ctx);\n\n                // Draw the points\n                for (; i < ilen; ++i) {\n                    points[i].draw(area);\n                }\n            },\n\n            setHoverStyle: function(point) {\n                // Point\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var index = point._index;\n                var custom = point.custom || {};\n                var model = point._model;\n\n                model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n                model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(point) {\n                var me = this;\n                var dataset = me.chart.data.datasets[point._datasetIndex];\n                var index = point._index;\n                var custom = point.custom || {};\n                var model = point._model;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n\n                model.radius = custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, me.chart.options.elements.point.radius);\n                model.backgroundColor = me.getPointBackgroundColor(point, index);\n                model.borderColor = me.getPointBorderColor(point, index);\n                model.borderWidth = me.getPointBorderWidth(point, index);\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],19:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('polarArea', {\n        scale: {\n            type: 'radialLinear',\n            angleLines: {\n                display: false\n            },\n            gridLines: {\n                circular: true\n            },\n            pointLabels: {\n                display: false\n            },\n            ticks: {\n                beginAtZero: true\n            }\n        },\n\n        // Boolean - Whether to animate the rotation of the chart\n        animation: {\n            animateRotate: true,\n            animateScale: true\n        },\n\n        startAngle: -0.5 * Math.PI,\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n\n            var data = chart.data;\n            var datasets = data.datasets;\n            var labels = data.labels;\n\n            if (datasets.length) {\n                for (var i = 0; i < datasets[0].data.length; ++i) {\n                    text.push('<li><span style=\"background-color:' + datasets[0].backgroundColor[i] + '\"></span>');\n                    if (labels[i]) {\n                        text.push(labels[i]);\n                    }\n                    text.push('</li>');\n                }\n            }\n\n            text.push('</ul>');\n            return text.join('');\n        },\n        legend: {\n            labels: {\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    if (data.labels.length && data.datasets.length) {\n                        return data.labels.map(function(label, i) {\n                            var meta = chart.getDatasetMeta(0);\n                            var ds = data.datasets[0];\n                            var arc = meta.data[i];\n                            var custom = arc.custom || {};\n                            var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n                            var arcOpts = chart.options.elements.arc;\n                            var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);\n                            var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);\n                            var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);\n\n                            return {\n                                text: label,\n                                fillStyle: fill,\n                                strokeStyle: stroke,\n                                lineWidth: bw,\n                                hidden: isNaN(ds.data[i]) || meta.data[i].hidden,\n\n                                // Extra data used for toggling the correct item\n                                index: i\n                            };\n                        });\n                    }\n                    return [];\n                }\n            },\n\n            onClick: function(e, legendItem) {\n                var index = legendItem.index;\n                var chart = this.chart;\n                var i, ilen, meta;\n\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    meta.data[index].hidden = !meta.data[index].hidden;\n                }\n\n                chart.update();\n            }\n        },\n\n        // Need to override these to give a nice default\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';\n                },\n                label: function(item, data) {\n                    return data.labels[item.index] + ': ' + item.yLabel;\n                }\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.polarArea = Chart.DatasetController.extend({\n\n            dataElementType: elements.Arc,\n\n            linkScales: helpers.noop,\n\n            update: function(reset) {\n                var me = this;\n                var chart = me.chart;\n                var chartArea = chart.chartArea;\n                var meta = me.getMeta();\n                var opts = chart.options;\n                var arcOpts = opts.elements.arc;\n                var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);\n                chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0);\n                chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);\n                chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();\n\n                me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);\n                me.innerRadius = me.outerRadius - chart.radiusLength;\n\n                meta.count = me.countVisibleElements();\n\n                helpers.each(meta.data, function(arc, index) {\n                    me.updateElement(arc, index, reset);\n                });\n            },\n\n            updateElement: function(arc, index, reset) {\n                var me = this;\n                var chart = me.chart;\n                var dataset = me.getDataset();\n                var opts = chart.options;\n                var animationOpts = opts.animation;\n                var scale = chart.scale;\n                var labels = chart.data.labels;\n\n                var circumference = me.calculateCircumference(dataset.data[index]);\n                var centerX = scale.xCenter;\n                var centerY = scale.yCenter;\n\n                // If there is NaN data before us, we need to calculate the starting angle correctly.\n                // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data\n                var visibleCount = 0;\n                var meta = me.getMeta();\n                for (var i = 0; i < index; ++i) {\n                    if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) {\n                        ++visibleCount;\n                    }\n                }\n\n                // var negHalfPI = -0.5 * Math.PI;\n                var datasetStartAngle = opts.startAngle;\n                var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n                var startAngle = datasetStartAngle + (circumference * visibleCount);\n                var endAngle = startAngle + (arc.hidden ? 0 : circumference);\n\n                var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);\n\n                helpers.extend(arc, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n                    _scale: scale,\n\n                    // Desired view properties\n                    _model: {\n                        x: centerX,\n                        y: centerY,\n                        innerRadius: 0,\n                        outerRadius: reset ? resetRadius : distance,\n                        startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,\n                        endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,\n                        label: helpers.valueAtIndexOrDefault(labels, index, labels[index])\n                    }\n                });\n\n                // Apply border and fill style\n                me.removeHoverStyle(arc);\n\n                arc.pivot();\n            },\n\n            removeHoverStyle: function(arc) {\n                Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc);\n            },\n\n            countVisibleElements: function() {\n                var dataset = this.getDataset();\n                var meta = this.getMeta();\n                var count = 0;\n\n                helpers.each(meta.data, function(element, index) {\n                    if (!isNaN(dataset.data[index]) && !element.hidden) {\n                        count++;\n                    }\n                });\n\n                return count;\n            },\n\n            calculateCircumference: function(value) {\n                var count = this.getMeta().count;\n                if (count > 0 && !isNaN(value)) {\n                    return (2 * Math.PI) / count;\n                }\n                return 0;\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],20:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('radar', {\n        scale: {\n            type: 'radialLinear'\n        },\n        elements: {\n            line: {\n                tension: 0 // no bezier in radar\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.controllers.radar = Chart.DatasetController.extend({\n\n            datasetElementType: elements.Line,\n\n            dataElementType: elements.Point,\n\n            linkScales: helpers.noop,\n\n            update: function(reset) {\n                var me = this;\n                var meta = me.getMeta();\n                var line = meta.dataset;\n                var points = meta.data;\n                var custom = line.custom || {};\n                var dataset = me.getDataset();\n                var lineElementOptions = me.chart.options.elements.line;\n                var scale = me.chart.scale;\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {\n                    dataset.lineTension = dataset.tension;\n                }\n\n                helpers.extend(meta.dataset, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _scale: scale,\n                    // Data\n                    _children: points,\n                    _loop: true,\n                    // Model\n                    _model: {\n                        // Appearance\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),\n                        borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),\n                        fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),\n                        borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),\n                        borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),\n                        borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),\n                        borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),\n                    }\n                });\n\n                meta.dataset.pivot();\n\n                // Update Points\n                helpers.each(points, function(point, index) {\n                    me.updateElement(point, index, reset);\n                }, me);\n\n                // Update bezier control points\n                me.updateBezierControlPoints();\n            },\n            updateElement: function(point, index, reset) {\n                var me = this;\n                var custom = point.custom || {};\n                var dataset = me.getDataset();\n                var scale = me.chart.scale;\n                var pointElementOptions = me.chart.options.elements.point;\n                var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);\n\n                // Compatibility: If the properties are defined with only the old name, use those values\n                if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {\n                    dataset.pointRadius = dataset.radius;\n                }\n                if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {\n                    dataset.pointHitRadius = dataset.hitRadius;\n                }\n\n                helpers.extend(point, {\n                    // Utility\n                    _datasetIndex: me.index,\n                    _index: index,\n                    _scale: scale,\n\n                    // Desired view properties\n                    _model: {\n                        x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales\n                        y: reset ? scale.yCenter : pointPosition.y,\n\n                        // Appearance\n                        tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension),\n                        radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius),\n                        backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor),\n                        borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor),\n                        borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth),\n                        pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle),\n\n                        // Tooltip\n                        hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius)\n                    }\n                });\n\n                point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));\n            },\n            updateBezierControlPoints: function() {\n                var chartArea = this.chart.chartArea;\n                var meta = this.getMeta();\n\n                helpers.each(meta.data, function(point, index) {\n                    var model = point._model;\n                    var controlPoints = helpers.splineCurve(\n                        helpers.previousItem(meta.data, index, true)._model,\n                        model,\n                        helpers.nextItem(meta.data, index, true)._model,\n                        model.tension\n                    );\n\n                    // Prevent the bezier going outside of the bounds of the graph\n                    model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left);\n                    model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top);\n\n                    model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left);\n                    model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top);\n\n                    // Now pivot the point for animation\n                    point.pivot();\n                });\n            },\n\n            setHoverStyle: function(point) {\n                // Point\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var custom = point.custom || {};\n                var index = point._index;\n                var model = point._model;\n\n                model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);\n            },\n\n            removeHoverStyle: function(point) {\n                var dataset = this.chart.data.datasets[point._datasetIndex];\n                var custom = point.custom || {};\n                var index = point._index;\n                var model = point._model;\n                var pointElementOptions = this.chart.options.elements.point;\n\n                model.radius = custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius);\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth);\n            }\n        });\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],21:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n\n    defaults._set('scatter', {\n        hover: {\n            mode: 'single'\n        },\n\n        scales: {\n            xAxes: [{\n                id: 'x-axis-1',    // need an ID so datasets can reference the scale\n                type: 'linear',    // scatter should not use a category axis\n                position: 'bottom'\n            }],\n            yAxes: [{\n                id: 'y-axis-1',\n                type: 'linear',\n                position: 'left'\n            }]\n        },\n\n        showLines: false,\n\n        tooltips: {\n            callbacks: {\n                title: function() {\n                    return '';     // doesn't make sense for scatter since data are formatted as a point\n                },\n                label: function(item) {\n                    return '(' + item.xLabel + ', ' + item.yLabel + ')';\n                }\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        // Scatter charts use line controllers\n        Chart.controllers.scatter = Chart.controllers.line;\n\n    };\n\n},{\"25\":25}],22:[function(require,module,exports){\n\t/* global window: false */\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        animation: {\n            duration: 1000,\n            easing: 'easeOutQuart',\n            onProgress: helpers.noop,\n            onComplete: helpers.noop\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        Chart.Animation = Element.extend({\n            chart: null, // the animation associated chart instance\n            currentStep: 0, // the current animation step\n            numSteps: 60, // default number of steps\n            easing: '', // the easing to use for this animation\n            render: null, // render function used by the animation service\n\n            onAnimationProgress: null, // user specified callback to fire on each step of the animation\n            onAnimationComplete: null, // user specified callback to fire when the animation finishes\n        });\n\n        Chart.animationService = {\n            frameDuration: 17,\n            animations: [],\n            dropFrames: 0,\n            request: null,\n\n            /**\n             * @param {Chart} chart - The chart to animate.\n             * @param {Chart.Animation} animation - The animation that we will animate.\n             * @param {Number} duration - The animation duration in ms.\n             * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions\n             */\n            addAnimation: function(chart, animation, duration, lazy) {\n                var animations = this.animations;\n                var i, ilen;\n\n                animation.chart = chart;\n\n                if (!lazy) {\n                    chart.animating = true;\n                }\n\n                for (i = 0, ilen = animations.length; i < ilen; ++i) {\n                    if (animations[i].chart === chart) {\n                        animations[i] = animation;\n                        return;\n                    }\n                }\n\n                animations.push(animation);\n\n                // If there are no animations queued, manually kickstart a digest, for lack of a better word\n                if (animations.length === 1) {\n                    this.requestAnimationFrame();\n                }\n            },\n\n            cancelAnimation: function(chart) {\n                var index = helpers.findIndex(this.animations, function(animation) {\n                    return animation.chart === chart;\n                });\n\n                if (index !== -1) {\n                    this.animations.splice(index, 1);\n                    chart.animating = false;\n                }\n            },\n\n            requestAnimationFrame: function() {\n                var me = this;\n                if (me.request === null) {\n                    // Skip animation frame requests until the active one is executed.\n                    // This can happen when processing mouse events, e.g. 'mousemove'\n                    // and 'mouseout' events will trigger multiple renders.\n                    me.request = helpers.requestAnimFrame.call(window, function() {\n                        me.request = null;\n                        me.startDigest();\n                    });\n                }\n            },\n\n            /**\n             * @private\n             */\n            startDigest: function() {\n                var me = this;\n                var startTime = Date.now();\n                var framesToDrop = 0;\n\n                if (me.dropFrames > 1) {\n                    framesToDrop = Math.floor(me.dropFrames);\n                    me.dropFrames = me.dropFrames % 1;\n                }\n\n                me.advance(1 + framesToDrop);\n\n                var endTime = Date.now();\n\n                me.dropFrames += (endTime - startTime) / me.frameDuration;\n\n                // Do we have more stuff to animate?\n                if (me.animations.length > 0) {\n                    me.requestAnimationFrame();\n                }\n            },\n\n            /**\n             * @private\n             */\n            advance: function(count) {\n                var animations = this.animations;\n                var animation, chart;\n                var i = 0;\n\n                while (i < animations.length) {\n                    animation = animations[i];\n                    chart = animation.chart;\n\n                    animation.currentStep = (animation.currentStep || 0) + count;\n                    animation.currentStep = Math.min(animation.currentStep, animation.numSteps);\n\n                    helpers.callback(animation.render, [chart, animation], chart);\n                    helpers.callback(animation.onAnimationProgress, [animation], chart);\n\n                    if (animation.currentStep >= animation.numSteps) {\n                        helpers.callback(animation.onAnimationComplete, [animation], chart);\n                        chart.animating = false;\n                        animations.splice(i, 1);\n                    } else {\n                        ++i;\n                    }\n                }\n            }\n        };\n\n        /**\n         * Provided for backward compatibility, use Chart.Animation instead\n         * @prop Chart.Animation#animationObject\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         */\n        Object.defineProperty(Chart.Animation.prototype, 'animationObject', {\n            get: function() {\n                return this;\n            }\n        });\n\n        /**\n         * Provided for backward compatibility, use Chart.Animation#chart instead\n         * @prop Chart.Animation#chartInstance\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         */\n        Object.defineProperty(Chart.Animation.prototype, 'chartInstance', {\n            get: function() {\n                return this.chart;\n            },\n            set: function(value) {\n                this.chart = value;\n            }\n        });\n\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],23:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Interaction = require(28);\n    var platform = require(48);\n\n    module.exports = function(Chart) {\n        var plugins = Chart.plugins;\n\n        // Create a dictionary of chart types, to allow for extension of existing types\n        Chart.types = {};\n\n        // Store a reference to each instance - allowing us to globally resize chart instances on window resize.\n        // Destroy method on the chart will remove the instance of the chart from this reference.\n        Chart.instances = {};\n\n        // Controllers available for dataset visualization eg. bar, line, slice, etc.\n        Chart.controllers = {};\n\n        /**\n         * Initializes the given config with global and chart default values.\n         */\n        function initConfig(config) {\n            config = config || {};\n\n            // Do NOT use configMerge() for the data object because this method merges arrays\n            // and so would change references to labels and datasets, preventing data updates.\n            var data = config.data = config.data || {};\n            data.datasets = data.datasets || [];\n            data.labels = data.labels || [];\n\n            config.options = helpers.configMerge(\n                defaults.global,\n                defaults[config.type],\n                config.options || {});\n\n            return config;\n        }\n\n        /**\n         * Updates the config of the chart\n         * @param chart {Chart} chart to update the options for\n         */\n        function updateConfig(chart) {\n            var newOptions = chart.options;\n\n            // Update Scale(s) with options\n            if (newOptions.scale) {\n                chart.scale.options = newOptions.scale;\n            } else if (newOptions.scales) {\n                newOptions.scales.xAxes.concat(newOptions.scales.yAxes).forEach(function(scaleOptions) {\n                    chart.scales[scaleOptions.id].options = scaleOptions;\n                });\n            }\n\n            // Tooltip\n            chart.tooltip._options = newOptions.tooltips;\n        }\n\n        function positionIsHorizontal(position) {\n            return position === 'top' || position === 'bottom';\n        }\n\n        helpers.extend(Chart.prototype, /** @lends Chart */ {\n            /**\n             * @private\n             */\n            construct: function(item, config) {\n                var me = this;\n\n                config = initConfig(config);\n\n                var context = platform.acquireContext(item, config);\n                var canvas = context && context.canvas;\n                var height = canvas && canvas.height;\n                var width = canvas && canvas.width;\n\n                me.id = helpers.uid();\n                me.ctx = context;\n                me.canvas = canvas;\n                me.config = config;\n                me.width = width;\n                me.height = height;\n                me.aspectRatio = height ? width / height : null;\n                me.options = config.options;\n                me._bufferedRender = false;\n\n                /**\n                 * Provided for backward compatibility, Chart and Chart.Controller have been merged,\n                 * the \"instance\" still need to be defined since it might be called from plugins.\n                 * @prop Chart#chart\n                 * @deprecated since version 2.6.0\n                 * @todo remove at version 3\n                 * @private\n                 */\n                me.chart = me;\n                me.controller = me; // chart.chart.controller #inception\n\n                // Add the chart instance to the global namespace\n                Chart.instances[me.id] = me;\n\n                // Define alias to the config data: `chart.data === chart.config.data`\n                Object.defineProperty(me, 'data', {\n                    get: function() {\n                        return me.config.data;\n                    },\n                    set: function(value) {\n                        me.config.data = value;\n                    }\n                });\n\n                if (!context || !canvas) {\n                    // The given item is not a compatible context2d element, let's return before finalizing\n                    // the chart initialization but after setting basic chart / controller properties that\n                    // can help to figure out that the chart is not valid (e.g chart.canvas !== null);\n                    // https://github.com/chartjs/Chart.js/issues/2807\n                    console.error(\"Failed to create chart: can't acquire context from the given item\");\n                    return;\n                }\n\n                me.initialize();\n                me.update();\n            },\n\n            /**\n             * @private\n             */\n            initialize: function() {\n                var me = this;\n\n                // Before init plugin notification\n                plugins.notify(me, 'beforeInit');\n\n                helpers.retinaScale(me, me.options.devicePixelRatio);\n\n                me.bindEvents();\n\n                if (me.options.responsive) {\n                    // Initial resize before chart draws (must be silent to preserve initial animations).\n                    me.resize(true);\n                }\n\n                // Make sure scales have IDs and are built before we build any controllers.\n                me.ensureScalesHaveIDs();\n                me.buildScales();\n                me.initToolTip();\n\n                // After init plugin notification\n                plugins.notify(me, 'afterInit');\n\n                return me;\n            },\n\n            clear: function() {\n                helpers.canvas.clear(this);\n                return this;\n            },\n\n            stop: function() {\n                // Stops any current animation loop occurring\n                Chart.animationService.cancelAnimation(this);\n                return this;\n            },\n\n            resize: function(silent) {\n                var me = this;\n                var options = me.options;\n                var canvas = me.canvas;\n                var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null;\n\n                // the canvas render width and height will be casted to integers so make sure that\n                // the canvas display style uses the same integer values to avoid blurring effect.\n\n                // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collased\n                var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas)));\n                var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)));\n\n                if (me.width === newWidth && me.height === newHeight) {\n                    return;\n                }\n\n                canvas.width = me.width = newWidth;\n                canvas.height = me.height = newHeight;\n                canvas.style.width = newWidth + 'px';\n                canvas.style.height = newHeight + 'px';\n\n                helpers.retinaScale(me, options.devicePixelRatio);\n\n                if (!silent) {\n                    // Notify any plugins about the resize\n                    var newSize = {width: newWidth, height: newHeight};\n                    plugins.notify(me, 'resize', [newSize]);\n\n                    // Notify of resize\n                    if (me.options.onResize) {\n                        me.options.onResize(me, newSize);\n                    }\n\n                    me.stop();\n                    me.update(me.options.responsiveAnimationDuration);\n                }\n            },\n\n            ensureScalesHaveIDs: function() {\n                var options = this.options;\n                var scalesOptions = options.scales || {};\n                var scaleOptions = options.scale;\n\n                helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) {\n                    xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index);\n                });\n\n                helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) {\n                    yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index);\n                });\n\n                if (scaleOptions) {\n                    scaleOptions.id = scaleOptions.id || 'scale';\n                }\n            },\n\n            /**\n             * Builds a map of scale ID to scale object for future lookup.\n             */\n            buildScales: function() {\n                var me = this;\n                var options = me.options;\n                var scales = me.scales = {};\n                var items = [];\n\n                if (options.scales) {\n                    items = items.concat(\n                        (options.scales.xAxes || []).map(function(xAxisOptions) {\n                            return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'};\n                        }),\n                        (options.scales.yAxes || []).map(function(yAxisOptions) {\n                            return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};\n                        })\n                    );\n                }\n\n                if (options.scale) {\n                    items.push({\n                        options: options.scale,\n                        dtype: 'radialLinear',\n                        isDefault: true,\n                        dposition: 'chartArea'\n                    });\n                }\n\n                helpers.each(items, function(item) {\n                    var scaleOptions = item.options;\n                    var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype);\n                    var scaleClass = Chart.scaleService.getScaleConstructor(scaleType);\n                    if (!scaleClass) {\n                        return;\n                    }\n\n                    if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {\n                        scaleOptions.position = item.dposition;\n                    }\n\n                    var scale = new scaleClass({\n                        id: scaleOptions.id,\n                        options: scaleOptions,\n                        ctx: me.ctx,\n                        chart: me\n                    });\n\n                    scales[scale.id] = scale;\n                    scale.mergeTicksOptions();\n\n                    // TODO(SB): I think we should be able to remove this custom case (options.scale)\n                    // and consider it as a regular scale part of the \"scales\"\" map only! This would\n                    // make the logic easier and remove some useless? custom code.\n                    if (item.isDefault) {\n                        me.scale = scale;\n                    }\n                });\n\n                Chart.scaleService.addScalesToLayout(this);\n            },\n\n            buildOrUpdateControllers: function() {\n                var me = this;\n                var types = [];\n                var newControllers = [];\n\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    var meta = me.getDatasetMeta(datasetIndex);\n                    var type = dataset.type || me.config.type;\n\n                    if (meta.type && meta.type !== type) {\n                        me.destroyDatasetMeta(datasetIndex);\n                        meta = me.getDatasetMeta(datasetIndex);\n                    }\n                    meta.type = type;\n\n                    types.push(meta.type);\n\n                    if (meta.controller) {\n                        meta.controller.updateIndex(datasetIndex);\n                    } else {\n                        var ControllerClass = Chart.controllers[meta.type];\n                        if (ControllerClass === undefined) {\n                            throw new Error('\"' + meta.type + '\" is not a chart type.');\n                        }\n\n                        meta.controller = new ControllerClass(me, datasetIndex);\n                        newControllers.push(meta.controller);\n                    }\n                }, me);\n\n                return newControllers;\n            },\n\n            /**\n             * Reset the elements of all datasets\n             * @private\n             */\n            resetElements: function() {\n                var me = this;\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    me.getDatasetMeta(datasetIndex).controller.reset();\n                }, me);\n            },\n\n            /**\n             * Resets the chart back to it's state before the initial animation\n             */\n            reset: function() {\n                this.resetElements();\n                this.tooltip.initialize();\n            },\n\n            update: function(config) {\n                var me = this;\n\n                if (!config || typeof config !== 'object') {\n                    // backwards compatibility\n                    config = {\n                        duration: config,\n                        lazy: arguments[1]\n                    };\n                }\n\n                updateConfig(me);\n\n                if (plugins.notify(me, 'beforeUpdate') === false) {\n                    return;\n                }\n\n                // In case the entire data object changed\n                me.tooltip._data = me.data;\n\n                // Make sure dataset controllers are updated and new controllers are reset\n                var newControllers = me.buildOrUpdateControllers();\n\n                // Make sure all dataset controllers have correct meta data counts\n                helpers.each(me.data.datasets, function(dataset, datasetIndex) {\n                    me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements();\n                }, me);\n\n                me.updateLayout();\n\n                // Can only reset the new controllers after the scales have been updated\n                helpers.each(newControllers, function(controller) {\n                    controller.reset();\n                });\n\n                me.updateDatasets();\n\n                // Do this before render so that any plugins that need final scale updates can use it\n                plugins.notify(me, 'afterUpdate');\n\n                if (me._bufferedRender) {\n                    me._bufferedRequest = {\n                        duration: config.duration,\n                        easing: config.easing,\n                        lazy: config.lazy\n                    };\n                } else {\n                    me.render(config);\n                }\n            },\n\n            /**\n             * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`\n             * hook, in which case, plugins will not be called on `afterLayout`.\n             * @private\n             */\n            updateLayout: function() {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeLayout') === false) {\n                    return;\n                }\n\n                Chart.layoutService.update(this, this.width, this.height);\n\n                /**\n                 * Provided for backward compatibility, use `afterLayout` instead.\n                 * @method IPlugin#afterScaleUpdate\n                 * @deprecated since version 2.5.0\n                 * @todo remove at version 3\n                 * @private\n                 */\n                plugins.notify(me, 'afterScaleUpdate');\n                plugins.notify(me, 'afterLayout');\n            },\n\n            /**\n             * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`\n             * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.\n             * @private\n             */\n            updateDatasets: function() {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeDatasetsUpdate') === false) {\n                    return;\n                }\n\n                for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n                    me.updateDataset(i);\n                }\n\n                plugins.notify(me, 'afterDatasetsUpdate');\n            },\n\n            /**\n             * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`\n             * hook, in which case, plugins will not be called on `afterDatasetUpdate`.\n             * @private\n             */\n            updateDataset: function(index) {\n                var me = this;\n                var meta = me.getDatasetMeta(index);\n                var args = {\n                    meta: meta,\n                    index: index\n                };\n\n                if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {\n                    return;\n                }\n\n                meta.controller.update();\n\n                plugins.notify(me, 'afterDatasetUpdate', [args]);\n            },\n\n            render: function(config) {\n                var me = this;\n\n                if (!config || typeof config !== 'object') {\n                    // backwards compatibility\n                    config = {\n                        duration: config,\n                        lazy: arguments[1]\n                    };\n                }\n\n                var duration = config.duration;\n                var lazy = config.lazy;\n\n                if (plugins.notify(me, 'beforeRender') === false) {\n                    return;\n                }\n\n                var animationOptions = me.options.animation;\n                var onComplete = function(animation) {\n                    plugins.notify(me, 'afterRender');\n                    helpers.callback(animationOptions && animationOptions.onComplete, [animation], me);\n                };\n\n                if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) {\n                    var animation = new Chart.Animation({\n                        numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps\n                        easing: config.easing || animationOptions.easing,\n\n                        render: function(chart, animationObject) {\n                            var easingFunction = helpers.easing.effects[animationObject.easing];\n                            var currentStep = animationObject.currentStep;\n                            var stepDecimal = currentStep / animationObject.numSteps;\n\n                            chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);\n                        },\n\n                        onAnimationProgress: animationOptions.onProgress,\n                        onAnimationComplete: onComplete\n                    });\n\n                    Chart.animationService.addAnimation(me, animation, duration, lazy);\n                } else {\n                    me.draw();\n\n                    // See https://github.com/chartjs/Chart.js/issues/3781\n                    onComplete(new Chart.Animation({numSteps: 0, chart: me}));\n                }\n\n                return me;\n            },\n\n            draw: function(easingValue) {\n                var me = this;\n\n                me.clear();\n\n                if (helpers.isNullOrUndef(easingValue)) {\n                    easingValue = 1;\n                }\n\n                me.transition(easingValue);\n\n                if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) {\n                    return;\n                }\n\n                // Draw all the scales\n                helpers.each(me.boxes, function(box) {\n                    box.draw(me.chartArea);\n                }, me);\n\n                if (me.scale) {\n                    me.scale.draw();\n                }\n\n                me.drawDatasets(easingValue);\n\n                // Finally draw the tooltip\n                me.tooltip.draw();\n\n                plugins.notify(me, 'afterDraw', [easingValue]);\n            },\n\n            /**\n             * @private\n             */\n            transition: function(easingValue) {\n                var me = this;\n\n                for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {\n                    if (me.isDatasetVisible(i)) {\n                        me.getDatasetMeta(i).controller.transition(easingValue);\n                    }\n                }\n\n                me.tooltip.transition(easingValue);\n            },\n\n            /**\n             * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`\n             * hook, in which case, plugins will not be called on `afterDatasetsDraw`.\n             * @private\n             */\n            drawDatasets: function(easingValue) {\n                var me = this;\n\n                if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) {\n                    return;\n                }\n\n                // Draw datasets reversed to support proper line stacking\n                for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) {\n                    if (me.isDatasetVisible(i)) {\n                        me.drawDataset(i, easingValue);\n                    }\n                }\n\n                plugins.notify(me, 'afterDatasetsDraw', [easingValue]);\n            },\n\n            /**\n             * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`\n             * hook, in which case, plugins will not be called on `afterDatasetDraw`.\n             * @private\n             */\n            drawDataset: function(index, easingValue) {\n                var me = this;\n                var meta = me.getDatasetMeta(index);\n                var args = {\n                    meta: meta,\n                    index: index,\n                    easingValue: easingValue\n                };\n\n                if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {\n                    return;\n                }\n\n                meta.controller.draw(easingValue);\n\n                plugins.notify(me, 'afterDatasetDraw', [args]);\n            },\n\n            // Get the single element that was clicked on\n            // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw\n            getElementAtEvent: function(e) {\n                return Interaction.modes.single(this, e);\n            },\n\n            getElementsAtEvent: function(e) {\n                return Interaction.modes.label(this, e, {intersect: true});\n            },\n\n            getElementsAtXAxis: function(e) {\n                return Interaction.modes['x-axis'](this, e, {intersect: true});\n            },\n\n            getElementsAtEventForMode: function(e, mode, options) {\n                var method = Interaction.modes[mode];\n                if (typeof method === 'function') {\n                    return method(this, e, options);\n                }\n\n                return [];\n            },\n\n            getDatasetAtEvent: function(e) {\n                return Interaction.modes.dataset(this, e, {intersect: true});\n            },\n\n            getDatasetMeta: function(datasetIndex) {\n                var me = this;\n                var dataset = me.data.datasets[datasetIndex];\n                if (!dataset._meta) {\n                    dataset._meta = {};\n                }\n\n                var meta = dataset._meta[me.id];\n                if (!meta) {\n                    meta = dataset._meta[me.id] = {\n                        type: null,\n                        data: [],\n                        dataset: null,\n                        controller: null,\n                        hidden: null,\t\t\t// See isDatasetVisible() comment\n                        xAxisID: null,\n                        yAxisID: null\n                    };\n                }\n\n                return meta;\n            },\n\n            getVisibleDatasetCount: function() {\n                var count = 0;\n                for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {\n                    if (this.isDatasetVisible(i)) {\n                        count++;\n                    }\n                }\n                return count;\n            },\n\n            isDatasetVisible: function(datasetIndex) {\n                var meta = this.getDatasetMeta(datasetIndex);\n\n                // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,\n                // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.\n                return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden;\n            },\n\n            generateLegend: function() {\n                return this.options.legendCallback(this);\n            },\n\n            /**\n             * @private\n             */\n            destroyDatasetMeta: function(datasetIndex) {\n                var id = this.id;\n                var dataset = this.data.datasets[datasetIndex];\n                var meta = dataset._meta && dataset._meta[id];\n\n                if (meta) {\n                    meta.controller.destroy();\n                    delete dataset._meta[id];\n                }\n            },\n\n            destroy: function() {\n                var me = this;\n                var canvas = me.canvas;\n                var i, ilen;\n\n                me.stop();\n\n                // dataset controllers need to cleanup associated data\n                for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {\n                    me.destroyDatasetMeta(i);\n                }\n\n                if (canvas) {\n                    me.unbindEvents();\n                    helpers.canvas.clear(me);\n                    platform.releaseContext(me.ctx);\n                    me.canvas = null;\n                    me.ctx = null;\n                }\n\n                plugins.notify(me, 'destroy');\n\n                delete Chart.instances[me.id];\n            },\n\n            toBase64Image: function() {\n                return this.canvas.toDataURL.apply(this.canvas, arguments);\n            },\n\n            initToolTip: function() {\n                var me = this;\n                me.tooltip = new Chart.Tooltip({\n                    _chart: me,\n                    _chartInstance: me, // deprecated, backward compatibility\n                    _data: me.data,\n                    _options: me.options.tooltips\n                }, me);\n            },\n\n            /**\n             * @private\n             */\n            bindEvents: function() {\n                var me = this;\n                var listeners = me._listeners = {};\n                var listener = function() {\n                    me.eventHandler.apply(me, arguments);\n                };\n\n                helpers.each(me.options.events, function(type) {\n                    platform.addEventListener(me, type, listener);\n                    listeners[type] = listener;\n                });\n\n                // Elements used to detect size change should not be injected for non responsive charts.\n                // See https://github.com/chartjs/Chart.js/issues/2210\n                if (me.options.responsive) {\n                    listener = function() {\n                        me.resize();\n                    };\n\n                    platform.addEventListener(me, 'resize', listener);\n                    listeners.resize = listener;\n                }\n            },\n\n            /**\n             * @private\n             */\n            unbindEvents: function() {\n                var me = this;\n                var listeners = me._listeners;\n                if (!listeners) {\n                    return;\n                }\n\n                delete me._listeners;\n                helpers.each(listeners, function(listener, type) {\n                    platform.removeEventListener(me, type, listener);\n                });\n            },\n\n            updateHoverStyle: function(elements, mode, enabled) {\n                var method = enabled ? 'setHoverStyle' : 'removeHoverStyle';\n                var element, i, ilen;\n\n                for (i = 0, ilen = elements.length; i < ilen; ++i) {\n                    element = elements[i];\n                    if (element) {\n                        this.getDatasetMeta(element._datasetIndex).controller[method](element);\n                    }\n                }\n            },\n\n            /**\n             * @private\n             */\n            eventHandler: function(e) {\n                var me = this;\n                var tooltip = me.tooltip;\n\n                if (plugins.notify(me, 'beforeEvent', [e]) === false) {\n                    return;\n                }\n\n                // Buffer any update calls so that renders do not occur\n                me._bufferedRender = true;\n                me._bufferedRequest = null;\n\n                var changed = me.handleEvent(e);\n                changed |= tooltip && tooltip.handleEvent(e);\n\n                plugins.notify(me, 'afterEvent', [e]);\n\n                var bufferedRequest = me._bufferedRequest;\n                if (bufferedRequest) {\n                    // If we have an update that was triggered, we need to do a normal render\n                    me.render(bufferedRequest);\n                } else if (changed && !me.animating) {\n                    // If entering, leaving, or changing elements, animate the change via pivot\n                    me.stop();\n\n                    // We only need to render at this point. Updating will cause scales to be\n                    // recomputed generating flicker & using more memory than necessary.\n                    me.render(me.options.hover.animationDuration, true);\n                }\n\n                me._bufferedRender = false;\n                me._bufferedRequest = null;\n\n                return me;\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event the event to handle\n             * @return {Boolean} true if the chart needs to re-render\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var options = me.options || {};\n                var hoverOptions = options.hover;\n                var changed = false;\n\n                me.lastActive = me.lastActive || [];\n\n                // Find Active Elements for hover and tooltips\n                if (e.type === 'mouseout') {\n                    me.active = [];\n                } else {\n                    me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions);\n                }\n\n                // Invoke onHover hook\n                // Need to call with native event here to not break backwards compatibility\n                helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);\n\n                if (e.type === 'mouseup' || e.type === 'click') {\n                    if (options.onClick) {\n                        // Use e.native here for backwards compatibility\n                        options.onClick.call(me, e.native, me.active);\n                    }\n                }\n\n                // Remove styling for last active (even if it may still be active)\n                if (me.lastActive.length) {\n                    me.updateHoverStyle(me.lastActive, hoverOptions.mode, false);\n                }\n\n                // Built in hover styling\n                if (me.active.length && hoverOptions.mode) {\n                    me.updateHoverStyle(me.active, hoverOptions.mode, true);\n                }\n\n                changed = !helpers.arrayEquals(me.active, me.lastActive);\n\n                // Remember Last Actives\n                me.lastActive = me.active;\n\n                return changed;\n            }\n        });\n\n        /**\n         * Provided for backward compatibility, use Chart instead.\n         * @class Chart.Controller\n         * @deprecated since version 2.6.0\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.Controller = Chart;\n    };\n\n},{\"25\":25,\"28\":28,\"45\":45,\"48\":48}],24:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];\n\n        /**\n         * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',\n         * 'unshift') and notify the listener AFTER the array has been altered. Listeners are\n         * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.\n         */\n        function listenArrayEvents(array, listener) {\n            if (array._chartjs) {\n                array._chartjs.listeners.push(listener);\n                return;\n            }\n\n            Object.defineProperty(array, '_chartjs', {\n                configurable: true,\n                enumerable: false,\n                value: {\n                    listeners: [listener]\n                }\n            });\n\n            arrayEvents.forEach(function(key) {\n                var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);\n                var base = array[key];\n\n                Object.defineProperty(array, key, {\n                    configurable: true,\n                    enumerable: false,\n                    value: function() {\n                        var args = Array.prototype.slice.call(arguments);\n                        var res = base.apply(this, args);\n\n                        helpers.each(array._chartjs.listeners, function(object) {\n                            if (typeof object[method] === 'function') {\n                                object[method].apply(object, args);\n                            }\n                        });\n\n                        return res;\n                    }\n                });\n            });\n        }\n\n        /**\n         * Removes the given array event listener and cleanup extra attached properties (such as\n         * the _chartjs stub and overridden methods) if array doesn't have any more listeners.\n         */\n        function unlistenArrayEvents(array, listener) {\n            var stub = array._chartjs;\n            if (!stub) {\n                return;\n            }\n\n            var listeners = stub.listeners;\n            var index = listeners.indexOf(listener);\n            if (index !== -1) {\n                listeners.splice(index, 1);\n            }\n\n            if (listeners.length > 0) {\n                return;\n            }\n\n            arrayEvents.forEach(function(key) {\n                delete array[key];\n            });\n\n            delete array._chartjs;\n        }\n\n        // Base class for all dataset controllers (line, bar, etc)\n        Chart.DatasetController = function(chart, datasetIndex) {\n            this.initialize(chart, datasetIndex);\n        };\n\n        helpers.extend(Chart.DatasetController.prototype, {\n\n            /**\n             * Element type used to generate a meta dataset (e.g. Chart.element.Line).\n             * @type {Chart.core.element}\n             */\n            datasetElementType: null,\n\n            /**\n             * Element type used to generate a meta data (e.g. Chart.element.Point).\n             * @type {Chart.core.element}\n             */\n            dataElementType: null,\n\n            initialize: function(chart, datasetIndex) {\n                var me = this;\n                me.chart = chart;\n                me.index = datasetIndex;\n                me.linkScales();\n                me.addElements();\n            },\n\n            updateIndex: function(datasetIndex) {\n                this.index = datasetIndex;\n            },\n\n            linkScales: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var dataset = me.getDataset();\n\n                if (meta.xAxisID === null) {\n                    meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id;\n                }\n                if (meta.yAxisID === null) {\n                    meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id;\n                }\n            },\n\n            getDataset: function() {\n                return this.chart.data.datasets[this.index];\n            },\n\n            getMeta: function() {\n                return this.chart.getDatasetMeta(this.index);\n            },\n\n            getScaleForId: function(scaleID) {\n                return this.chart.scales[scaleID];\n            },\n\n            reset: function() {\n                this.update(true);\n            },\n\n            /**\n             * @private\n             */\n            destroy: function() {\n                if (this._data) {\n                    unlistenArrayEvents(this._data, this);\n                }\n            },\n\n            createMetaDataset: function() {\n                var me = this;\n                var type = me.datasetElementType;\n                return type && new type({\n                        _chart: me.chart,\n                        _datasetIndex: me.index\n                    });\n            },\n\n            createMetaData: function(index) {\n                var me = this;\n                var type = me.dataElementType;\n                return type && new type({\n                        _chart: me.chart,\n                        _datasetIndex: me.index,\n                        _index: index\n                    });\n            },\n\n            addElements: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var data = me.getDataset().data || [];\n                var metaData = meta.data;\n                var i, ilen;\n\n                for (i = 0, ilen = data.length; i < ilen; ++i) {\n                    metaData[i] = metaData[i] || me.createMetaData(i);\n                }\n\n                meta.dataset = meta.dataset || me.createMetaDataset();\n            },\n\n            addElementAndReset: function(index) {\n                var element = this.createMetaData(index);\n                this.getMeta().data.splice(index, 0, element);\n                this.updateElement(element, index, true);\n            },\n\n            buildOrUpdateElements: function() {\n                var me = this;\n                var dataset = me.getDataset();\n                var data = dataset.data || (dataset.data = []);\n\n                // In order to correctly handle data addition/deletion animation (an thus simulate\n                // real-time charts), we need to monitor these data modifications and synchronize\n                // the internal meta data accordingly.\n                if (me._data !== data) {\n                    if (me._data) {\n                        // This case happens when the user replaced the data array instance.\n                        unlistenArrayEvents(me._data, me);\n                    }\n\n                    listenArrayEvents(data, me);\n                    me._data = data;\n                }\n\n                // Re-sync meta data in case the user replaced the data array or if we missed\n                // any updates and so make sure that we handle number of datapoints changing.\n                me.resyncElements();\n            },\n\n            update: helpers.noop,\n\n            transition: function(easingValue) {\n                var meta = this.getMeta();\n                var elements = meta.data || [];\n                var ilen = elements.length;\n                var i = 0;\n\n                for (; i < ilen; ++i) {\n                    elements[i].transition(easingValue);\n                }\n\n                if (meta.dataset) {\n                    meta.dataset.transition(easingValue);\n                }\n            },\n\n            draw: function() {\n                var meta = this.getMeta();\n                var elements = meta.data || [];\n                var ilen = elements.length;\n                var i = 0;\n\n                if (meta.dataset) {\n                    meta.dataset.draw();\n                }\n\n                for (; i < ilen; ++i) {\n                    elements[i].draw();\n                }\n            },\n\n            removeHoverStyle: function(element, elementOpts) {\n                var dataset = this.chart.data.datasets[element._datasetIndex];\n                var index = element._index;\n                var custom = element.custom || {};\n                var valueOrDefault = helpers.valueAtIndexOrDefault;\n                var model = element._model;\n\n                model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor);\n                model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor);\n                model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth);\n            },\n\n            setHoverStyle: function(element) {\n                var dataset = this.chart.data.datasets[element._datasetIndex];\n                var index = element._index;\n                var custom = element.custom || {};\n                var valueOrDefault = helpers.valueAtIndexOrDefault;\n                var getHoverColor = helpers.getHoverColor;\n                var model = element._model;\n\n                model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor));\n                model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor));\n                model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);\n            },\n\n            /**\n             * @private\n             */\n            resyncElements: function() {\n                var me = this;\n                var meta = me.getMeta();\n                var data = me.getDataset().data;\n                var numMeta = meta.data.length;\n                var numData = data.length;\n\n                if (numData < numMeta) {\n                    meta.data.splice(numData, numMeta - numData);\n                } else if (numData > numMeta) {\n                    me.insertElements(numMeta, numData - numMeta);\n                }\n            },\n\n            /**\n             * @private\n             */\n            insertElements: function(start, count) {\n                for (var i = 0; i < count; ++i) {\n                    this.addElementAndReset(start + i);\n                }\n            },\n\n            /**\n             * @private\n             */\n            onDataPush: function() {\n                this.insertElements(this.getDataset().data.length - 1, arguments.length);\n            },\n\n            /**\n             * @private\n             */\n            onDataPop: function() {\n                this.getMeta().data.pop();\n            },\n\n            /**\n             * @private\n             */\n            onDataShift: function() {\n                this.getMeta().data.shift();\n            },\n\n            /**\n             * @private\n             */\n            onDataSplice: function(start, count) {\n                this.getMeta().data.splice(start, count);\n                this.insertElements(start, arguments.length - 2);\n            },\n\n            /**\n             * @private\n             */\n            onDataUnshift: function() {\n                this.insertElements(0, arguments.length);\n            }\n        });\n\n        Chart.DatasetController.extend = helpers.inherits;\n    };\n\n},{\"45\":45}],25:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = {\n        /**\n         * @private\n         */\n        _set: function(scope, values) {\n            return helpers.merge(this[scope] || (this[scope] = {}), values);\n        }\n    };\n\n},{\"45\":45}],26:[function(require,module,exports){\n    'use strict';\n\n    var color = require(2);\n    var helpers = require(45);\n\n    function interpolate(start, view, model, ease) {\n        var keys = Object.keys(model);\n        var i, ilen, key, actual, origin, target, type, c0, c1;\n\n        for (i = 0, ilen = keys.length; i < ilen; ++i) {\n            key = keys[i];\n\n            target = model[key];\n\n            // if a value is added to the model after pivot() has been called, the view\n            // doesn't contain it, so let's initialize the view to the target value.\n            if (!view.hasOwnProperty(key)) {\n                view[key] = target;\n            }\n\n            actual = view[key];\n\n            if (actual === target || key[0] === '_') {\n                continue;\n            }\n\n            if (!start.hasOwnProperty(key)) {\n                start[key] = actual;\n            }\n\n            origin = start[key];\n\n            type = typeof target;\n\n            if (type === typeof origin) {\n                if (type === 'string') {\n                    c0 = color(origin);\n                    if (c0.valid) {\n                        c1 = color(target);\n                        if (c1.valid) {\n                            view[key] = c1.mix(c0, ease).rgbString();\n                            continue;\n                        }\n                    }\n                } else if (type === 'number' && isFinite(origin) && isFinite(target)) {\n                    view[key] = origin + (target - origin) * ease;\n                    continue;\n                }\n            }\n\n            view[key] = target;\n        }\n    }\n\n    var Element = function(configuration) {\n        helpers.extend(this, configuration);\n        this.initialize.apply(this, arguments);\n    };\n\n    helpers.extend(Element.prototype, {\n\n        initialize: function() {\n            this.hidden = false;\n        },\n\n        pivot: function() {\n            var me = this;\n            if (!me._view) {\n                me._view = helpers.clone(me._model);\n            }\n            me._start = {};\n            return me;\n        },\n\n        transition: function(ease) {\n            var me = this;\n            var model = me._model;\n            var start = me._start;\n            var view = me._view;\n\n            // No animation -> No Transition\n            if (!model || ease === 1) {\n                me._view = model;\n                me._start = null;\n                return me;\n            }\n\n            if (!view) {\n                view = me._view = {};\n            }\n\n            if (!start) {\n                start = me._start = {};\n            }\n\n            interpolate(start, view, model, ease);\n\n            return me;\n        },\n\n        tooltipPosition: function() {\n            return {\n                x: this._model.x,\n                y: this._model.y\n            };\n        },\n\n        hasValue: function() {\n            return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);\n        }\n    });\n\n    Element.extend = helpers.inherits;\n\n    module.exports = Element;\n\n},{\"2\":2,\"45\":45}],27:[function(require,module,exports){\n\t/* global window: false */\n\t/* global document: false */\n    'use strict';\n\n    var color = require(2);\n    var defaults = require(25);\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        // -- Basic js utility methods\n\n        helpers.extend = function(base) {\n            var setFn = function(value, key) {\n                base[key] = value;\n            };\n            for (var i = 1, ilen = arguments.length; i < ilen; i++) {\n                helpers.each(arguments[i], setFn);\n            }\n            return base;\n        };\n\n        helpers.configMerge = function(/* objects ... */) {\n            return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n                merger: function(key, target, source, options) {\n                    var tval = target[key] || {};\n                    var sval = source[key];\n\n                    if (key === 'scales') {\n                        // scale config merging is complex. Add our own function here for that\n                        target[key] = helpers.scaleMerge(tval, sval);\n                    } else if (key === 'scale') {\n                        // used in polar area & radar charts since there is only one scale\n                        target[key] = helpers.merge(tval, [Chart.scaleService.getScaleDefaults(sval.type), sval]);\n                    } else {\n                        helpers._merger(key, target, source, options);\n                    }\n                }\n            });\n        };\n\n        helpers.scaleMerge = function(/* objects ... */) {\n            return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {\n                merger: function(key, target, source, options) {\n                    if (key === 'xAxes' || key === 'yAxes') {\n                        var slen = source[key].length;\n                        var i, type, scale;\n\n                        if (!target[key]) {\n                            target[key] = [];\n                        }\n\n                        for (i = 0; i < slen; ++i) {\n                            scale = source[key][i];\n                            type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear');\n\n                            if (i >= target[key].length) {\n                                target[key].push({});\n                            }\n\n                            if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) {\n                                // new/untyped scale or type changed: let's apply the new defaults\n                                // then merge source scale to correctly overwrite the defaults.\n                                helpers.merge(target[key][i], [Chart.scaleService.getScaleDefaults(type), scale]);\n                            } else {\n                                // scales type are the same\n                                helpers.merge(target[key][i], scale);\n                            }\n                        }\n                    } else {\n                        helpers._merger(key, target, source, options);\n                    }\n                }\n            });\n        };\n\n        helpers.where = function(collection, filterCallback) {\n            if (helpers.isArray(collection) && Array.prototype.filter) {\n                return collection.filter(filterCallback);\n            }\n            var filtered = [];\n\n            helpers.each(collection, function(item) {\n                if (filterCallback(item)) {\n                    filtered.push(item);\n                }\n            });\n\n            return filtered;\n        };\n        helpers.findIndex = Array.prototype.findIndex ?\n            function(array, callback, scope) {\n                return array.findIndex(callback, scope);\n            } :\n            function(array, callback, scope) {\n                scope = scope === undefined ? array : scope;\n                for (var i = 0, ilen = array.length; i < ilen; ++i) {\n                    if (callback.call(scope, array[i], i, array)) {\n                        return i;\n                    }\n                }\n                return -1;\n            };\n        helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {\n            // Default to start of the array\n            if (helpers.isNullOrUndef(startIndex)) {\n                startIndex = -1;\n            }\n            for (var i = startIndex + 1; i < arrayToSearch.length; i++) {\n                var currentItem = arrayToSearch[i];\n                if (filterCallback(currentItem)) {\n                    return currentItem;\n                }\n            }\n        };\n        helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {\n            // Default to end of the array\n            if (helpers.isNullOrUndef(startIndex)) {\n                startIndex = arrayToSearch.length;\n            }\n            for (var i = startIndex - 1; i >= 0; i--) {\n                var currentItem = arrayToSearch[i];\n                if (filterCallback(currentItem)) {\n                    return currentItem;\n                }\n            }\n        };\n        helpers.inherits = function(extensions) {\n            // Basic javascript inheritance based on the model created in Backbone.js\n            var me = this;\n            var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {\n                return me.apply(this, arguments);\n            };\n\n            var Surrogate = function() {\n                this.constructor = ChartElement;\n            };\n            Surrogate.prototype = me.prototype;\n            ChartElement.prototype = new Surrogate();\n\n            ChartElement.extend = helpers.inherits;\n\n            if (extensions) {\n                helpers.extend(ChartElement.prototype, extensions);\n            }\n\n            ChartElement.__super__ = me.prototype;\n\n            return ChartElement;\n        };\n        // -- Math methods\n        helpers.isNumber = function(n) {\n            return !isNaN(parseFloat(n)) && isFinite(n);\n        };\n        helpers.almostEquals = function(x, y, epsilon) {\n            return Math.abs(x - y) < epsilon;\n        };\n        helpers.almostWhole = function(x, epsilon) {\n            var rounded = Math.round(x);\n            return (((rounded - epsilon) < x) && ((rounded + epsilon) > x));\n        };\n        helpers.max = function(array) {\n            return array.reduce(function(max, value) {\n                if (!isNaN(value)) {\n                    return Math.max(max, value);\n                }\n                return max;\n            }, Number.NEGATIVE_INFINITY);\n        };\n        helpers.min = function(array) {\n            return array.reduce(function(min, value) {\n                if (!isNaN(value)) {\n                    return Math.min(min, value);\n                }\n                return min;\n            }, Number.POSITIVE_INFINITY);\n        };\n        helpers.sign = Math.sign ?\n            function(x) {\n                return Math.sign(x);\n            } :\n            function(x) {\n                x = +x; // convert to a number\n                if (x === 0 || isNaN(x)) {\n                    return x;\n                }\n                return x > 0 ? 1 : -1;\n            };\n        helpers.log10 = Math.log10 ?\n            function(x) {\n                return Math.log10(x);\n            } :\n            function(x) {\n                return Math.log(x) / Math.LN10;\n            };\n        helpers.toRadians = function(degrees) {\n            return degrees * (Math.PI / 180);\n        };\n        helpers.toDegrees = function(radians) {\n            return radians * (180 / Math.PI);\n        };\n        // Gets the angle from vertical upright to the point about a centre.\n        helpers.getAngleFromPoint = function(centrePoint, anglePoint) {\n            var distanceFromXCenter = anglePoint.x - centrePoint.x;\n            var distanceFromYCenter = anglePoint.y - centrePoint.y;\n            var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);\n\n            var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);\n\n            if (angle < (-0.5 * Math.PI)) {\n                angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]\n            }\n\n            return {\n                angle: angle,\n                distance: radialDistanceFromCenter\n            };\n        };\n        helpers.distanceBetweenPoints = function(pt1, pt2) {\n            return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));\n        };\n        helpers.aliasPixel = function(pixelWidth) {\n            return (pixelWidth % 2 === 0) ? 0 : 0.5;\n        };\n        helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {\n            // Props to Rob Spencer at scaled innovation for his post on splining between points\n            // http://scaledinnovation.com/analytics/splines/aboutSplines.html\n\n            // This function must also respect \"skipped\" points\n\n            var previous = firstPoint.skip ? middlePoint : firstPoint;\n            var current = middlePoint;\n            var next = afterPoint.skip ? middlePoint : afterPoint;\n\n            var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));\n            var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));\n\n            var s01 = d01 / (d01 + d12);\n            var s12 = d12 / (d01 + d12);\n\n            // If all points are the same, s01 & s02 will be inf\n            s01 = isNaN(s01) ? 0 : s01;\n            s12 = isNaN(s12) ? 0 : s12;\n\n            var fa = t * s01; // scaling factor for triangle Ta\n            var fb = t * s12;\n\n            return {\n                previous: {\n                    x: current.x - fa * (next.x - previous.x),\n                    y: current.y - fa * (next.y - previous.y)\n                },\n                next: {\n                    x: current.x + fb * (next.x - previous.x),\n                    y: current.y + fb * (next.y - previous.y)\n                }\n            };\n        };\n        helpers.EPSILON = Number.EPSILON || 1e-14;\n        helpers.splineCurveMonotone = function(points) {\n            // This function calculates Bézier control points in a similar way than |splineCurve|,\n            // but preserves monotonicity of the provided data and ensures no local extremums are added\n            // between the dataset discrete points due to the interpolation.\n            // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation\n\n            var pointsWithTangents = (points || []).map(function(point) {\n                return {\n                    model: point._model,\n                    deltaK: 0,\n                    mK: 0\n                };\n            });\n\n            // Calculate slopes (deltaK) and initialize tangents (mK)\n            var pointsLen = pointsWithTangents.length;\n            var i, pointBefore, pointCurrent, pointAfter;\n            for (i = 0; i < pointsLen; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                if (pointCurrent.model.skip) {\n                    continue;\n                }\n\n                pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n                pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n                if (pointAfter && !pointAfter.model.skip) {\n                    var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x);\n\n                    // In the case of two points that appear at the same x pixel, slopeDeltaX is 0\n                    pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0;\n                }\n\n                if (!pointBefore || pointBefore.model.skip) {\n                    pointCurrent.mK = pointCurrent.deltaK;\n                } else if (!pointAfter || pointAfter.model.skip) {\n                    pointCurrent.mK = pointBefore.deltaK;\n                } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) {\n                    pointCurrent.mK = 0;\n                } else {\n                    pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;\n                }\n            }\n\n            // Adjust tangents to ensure monotonic properties\n            var alphaK, betaK, tauK, squaredMagnitude;\n            for (i = 0; i < pointsLen - 1; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                pointAfter = pointsWithTangents[i + 1];\n                if (pointCurrent.model.skip || pointAfter.model.skip) {\n                    continue;\n                }\n\n                if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) {\n                    pointCurrent.mK = pointAfter.mK = 0;\n                    continue;\n                }\n\n                alphaK = pointCurrent.mK / pointCurrent.deltaK;\n                betaK = pointAfter.mK / pointCurrent.deltaK;\n                squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);\n                if (squaredMagnitude <= 9) {\n                    continue;\n                }\n\n                tauK = 3 / Math.sqrt(squaredMagnitude);\n                pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK;\n                pointAfter.mK = betaK * tauK * pointCurrent.deltaK;\n            }\n\n            // Compute control points\n            var deltaX;\n            for (i = 0; i < pointsLen; ++i) {\n                pointCurrent = pointsWithTangents[i];\n                if (pointCurrent.model.skip) {\n                    continue;\n                }\n\n                pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;\n                pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;\n                if (pointBefore && !pointBefore.model.skip) {\n                    deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3;\n                    pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX;\n                    pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK;\n                }\n                if (pointAfter && !pointAfter.model.skip) {\n                    deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3;\n                    pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX;\n                    pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK;\n                }\n            }\n        };\n        helpers.nextItem = function(collection, index, loop) {\n            if (loop) {\n                return index >= collection.length - 1 ? collection[0] : collection[index + 1];\n            }\n            return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];\n        };\n        helpers.previousItem = function(collection, index, loop) {\n            if (loop) {\n                return index <= 0 ? collection[collection.length - 1] : collection[index - 1];\n            }\n            return index <= 0 ? collection[0] : collection[index - 1];\n        };\n        // Implementation of the nice number algorithm used in determining where axis labels will go\n        helpers.niceNum = function(range, round) {\n            var exponent = Math.floor(helpers.log10(range));\n            var fraction = range / Math.pow(10, exponent);\n            var niceFraction;\n\n            if (round) {\n                if (fraction < 1.5) {\n                    niceFraction = 1;\n                } else if (fraction < 3) {\n                    niceFraction = 2;\n                } else if (fraction < 7) {\n                    niceFraction = 5;\n                } else {\n                    niceFraction = 10;\n                }\n            } else if (fraction <= 1.0) {\n                niceFraction = 1;\n            } else if (fraction <= 2) {\n                niceFraction = 2;\n            } else if (fraction <= 5) {\n                niceFraction = 5;\n            } else {\n                niceFraction = 10;\n            }\n\n            return niceFraction * Math.pow(10, exponent);\n        };\n        // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/\n        helpers.requestAnimFrame = (function() {\n            if (typeof window === 'undefined') {\n                return function(callback) {\n                    callback();\n                };\n            }\n            return window.requestAnimationFrame ||\n                window.webkitRequestAnimationFrame ||\n                window.mozRequestAnimationFrame ||\n                window.oRequestAnimationFrame ||\n                window.msRequestAnimationFrame ||\n                function(callback) {\n                    return window.setTimeout(callback, 1000 / 60);\n                };\n        }());\n        // -- DOM methods\n        helpers.getRelativePosition = function(evt, chart) {\n            var mouseX, mouseY;\n            var e = evt.originalEvent || evt;\n            var canvas = evt.currentTarget || evt.srcElement;\n            var boundingRect = canvas.getBoundingClientRect();\n\n            var touches = e.touches;\n            if (touches && touches.length > 0) {\n                mouseX = touches[0].clientX;\n                mouseY = touches[0].clientY;\n\n            } else {\n                mouseX = e.clientX;\n                mouseY = e.clientY;\n            }\n\n            // Scale mouse coordinates into canvas coordinates\n            // by following the pattern laid out by 'jerryj' in the comments of\n            // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/\n            var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left'));\n            var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top'));\n            var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right'));\n            var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom'));\n            var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;\n            var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;\n\n            // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However\n            // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here\n            mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);\n            mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);\n\n            return {\n                x: mouseX,\n                y: mouseY\n            };\n\n        };\n\n        // Private helper function to convert max-width/max-height values that may be percentages into a number\n        function parseMaxStyle(styleValue, node, parentProperty) {\n            var valueInPixels;\n            if (typeof styleValue === 'string') {\n                valueInPixels = parseInt(styleValue, 10);\n\n                if (styleValue.indexOf('%') !== -1) {\n                    // percentage * size in dimension\n                    valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];\n                }\n            } else {\n                valueInPixels = styleValue;\n            }\n\n            return valueInPixels;\n        }\n\n        /**\n         * Returns if the given value contains an effective constraint.\n         * @private\n         */\n        function isConstrainedValue(value) {\n            return value !== undefined && value !== null && value !== 'none';\n        }\n\n        // Private helper to get a constraint dimension\n        // @param domNode : the node to check the constraint on\n        // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight)\n        // @param percentageProperty : property of parent to use when calculating width as a percentage\n        // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser\n        function getConstraintDimension(domNode, maxStyle, percentageProperty) {\n            var view = document.defaultView;\n            var parentNode = domNode.parentNode;\n            var constrainedNode = view.getComputedStyle(domNode)[maxStyle];\n            var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle];\n            var hasCNode = isConstrainedValue(constrainedNode);\n            var hasCContainer = isConstrainedValue(constrainedContainer);\n            var infinity = Number.POSITIVE_INFINITY;\n\n            if (hasCNode || hasCContainer) {\n                return Math.min(\n                    hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity,\n                    hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity);\n            }\n\n            return 'none';\n        }\n        // returns Number or undefined if no constraint\n        helpers.getConstraintWidth = function(domNode) {\n            return getConstraintDimension(domNode, 'max-width', 'clientWidth');\n        };\n        // returns Number or undefined if no constraint\n        helpers.getConstraintHeight = function(domNode) {\n            return getConstraintDimension(domNode, 'max-height', 'clientHeight');\n        };\n        helpers.getMaximumWidth = function(domNode) {\n            var container = domNode.parentNode;\n            if (!container) {\n                return domNode.clientWidth;\n            }\n\n            var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10);\n            var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10);\n            var w = container.clientWidth - paddingLeft - paddingRight;\n            var cw = helpers.getConstraintWidth(domNode);\n            return isNaN(cw) ? w : Math.min(w, cw);\n        };\n        helpers.getMaximumHeight = function(domNode) {\n            var container = domNode.parentNode;\n            if (!container) {\n                return domNode.clientHeight;\n            }\n\n            var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10);\n            var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10);\n            var h = container.clientHeight - paddingTop - paddingBottom;\n            var ch = helpers.getConstraintHeight(domNode);\n            return isNaN(ch) ? h : Math.min(h, ch);\n        };\n        helpers.getStyle = function(el, property) {\n            return el.currentStyle ?\n                el.currentStyle[property] :\n                document.defaultView.getComputedStyle(el, null).getPropertyValue(property);\n        };\n        helpers.retinaScale = function(chart, forceRatio) {\n            var pixelRatio = chart.currentDevicePixelRatio = forceRatio || window.devicePixelRatio || 1;\n            if (pixelRatio === 1) {\n                return;\n            }\n\n            var canvas = chart.canvas;\n            var height = chart.height;\n            var width = chart.width;\n\n            canvas.height = height * pixelRatio;\n            canvas.width = width * pixelRatio;\n            chart.ctx.scale(pixelRatio, pixelRatio);\n\n            // If no style has been set on the canvas, the render size is used as display size,\n            // making the chart visually bigger, so let's enforce it to the \"correct\" values.\n            // See https://github.com/chartjs/Chart.js/issues/3575\n            canvas.style.height = height + 'px';\n            canvas.style.width = width + 'px';\n        };\n        // -- Canvas methods\n        helpers.fontString = function(pixelSize, fontStyle, fontFamily) {\n            return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;\n        };\n        helpers.longestText = function(ctx, font, arrayOfThings, cache) {\n            cache = cache || {};\n            var data = cache.data = cache.data || {};\n            var gc = cache.garbageCollect = cache.garbageCollect || [];\n\n            if (cache.font !== font) {\n                data = cache.data = {};\n                gc = cache.garbageCollect = [];\n                cache.font = font;\n            }\n\n            ctx.font = font;\n            var longest = 0;\n            helpers.each(arrayOfThings, function(thing) {\n                // Undefined strings and arrays should not be measured\n                if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) {\n                    longest = helpers.measureText(ctx, data, gc, longest, thing);\n                } else if (helpers.isArray(thing)) {\n                    // if it is an array lets measure each element\n                    // to do maybe simplify this function a bit so we can do this more recursively?\n                    helpers.each(thing, function(nestedThing) {\n                        // Undefined strings and arrays should not be measured\n                        if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) {\n                            longest = helpers.measureText(ctx, data, gc, longest, nestedThing);\n                        }\n                    });\n                }\n            });\n\n            var gcLen = gc.length / 2;\n            if (gcLen > arrayOfThings.length) {\n                for (var i = 0; i < gcLen; i++) {\n                    delete data[gc[i]];\n                }\n                gc.splice(0, gcLen);\n            }\n            return longest;\n        };\n        helpers.measureText = function(ctx, data, gc, longest, string) {\n            var textWidth = data[string];\n            if (!textWidth) {\n                textWidth = data[string] = ctx.measureText(string).width;\n                gc.push(string);\n            }\n            if (textWidth > longest) {\n                longest = textWidth;\n            }\n            return longest;\n        };\n        helpers.numberOfLabelLines = function(arrayOfThings) {\n            var numberOfLines = 1;\n            helpers.each(arrayOfThings, function(thing) {\n                if (helpers.isArray(thing)) {\n                    if (thing.length > numberOfLines) {\n                        numberOfLines = thing.length;\n                    }\n                }\n            });\n            return numberOfLines;\n        };\n\n        helpers.color = !color ?\n            function(value) {\n                console.error('Color.js not found!');\n                return value;\n            } :\n            function(value) {\n\t\t\t\t/* global CanvasGradient */\n                if (value instanceof CanvasGradient) {\n                    value = defaults.global.defaultColor;\n                }\n\n                return color(value);\n            };\n\n        helpers.getHoverColor = function(colorValue) {\n\t\t\t/* global CanvasPattern */\n            return (colorValue instanceof CanvasPattern) ?\n                colorValue :\n                helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString();\n        };\n    };\n\n},{\"2\":2,\"25\":25,\"45\":45}],28:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    /**\n     * Helper function to get relative position for an event\n     * @param {Event|IEvent} event - The event to get the position for\n     * @param {Chart} chart - The chart\n     * @returns {Point} the event position\n     */\n    function getRelativePosition(e, chart) {\n        if (e.native) {\n            return {\n                x: e.x,\n                y: e.y\n            };\n        }\n\n        return helpers.getRelativePosition(e, chart);\n    }\n\n    /**\n     * Helper function to traverse all of the visible elements in the chart\n     * @param chart {chart} the chart\n     * @param handler {Function} the callback to execute for each visible item\n     */\n    function parseVisibleItems(chart, handler) {\n        var datasets = chart.data.datasets;\n        var meta, i, j, ilen, jlen;\n\n        for (i = 0, ilen = datasets.length; i < ilen; ++i) {\n            if (!chart.isDatasetVisible(i)) {\n                continue;\n            }\n\n            meta = chart.getDatasetMeta(i);\n            for (j = 0, jlen = meta.data.length; j < jlen; ++j) {\n                var element = meta.data[j];\n                if (!element._view.skip) {\n                    handler(element);\n                }\n            }\n        }\n    }\n\n    /**\n     * Helper function to get the items that intersect the event position\n     * @param items {ChartElement[]} elements to filter\n     * @param position {Point} the point to be nearest to\n     * @return {ChartElement[]} the nearest items\n     */\n    function getIntersectItems(chart, position) {\n        var elements = [];\n\n        parseVisibleItems(chart, function(element) {\n            if (element.inRange(position.x, position.y)) {\n                elements.push(element);\n            }\n        });\n\n        return elements;\n    }\n\n    /**\n     * Helper function to get the items nearest to the event position considering all visible items in teh chart\n     * @param chart {Chart} the chart to look at elements from\n     * @param position {Point} the point to be nearest to\n     * @param intersect {Boolean} if true, only consider items that intersect the position\n     * @param distanceMetric {Function} function to provide the distance between points\n     * @return {ChartElement[]} the nearest items\n     */\n    function getNearestItems(chart, position, intersect, distanceMetric) {\n        var minDistance = Number.POSITIVE_INFINITY;\n        var nearestItems = [];\n\n        parseVisibleItems(chart, function(element) {\n            if (intersect && !element.inRange(position.x, position.y)) {\n                return;\n            }\n\n            var center = element.getCenterPoint();\n            var distance = distanceMetric(position, center);\n\n            if (distance < minDistance) {\n                nearestItems = [element];\n                minDistance = distance;\n            } else if (distance === minDistance) {\n                // Can have multiple items at the same distance in which case we sort by size\n                nearestItems.push(element);\n            }\n        });\n\n        return nearestItems;\n    }\n\n    /**\n     * Get a distance metric function for two points based on the\n     * axis mode setting\n     * @param {String} axis the axis mode. x|y|xy\n     */\n    function getDistanceMetricForAxis(axis) {\n        var useX = axis.indexOf('x') !== -1;\n        var useY = axis.indexOf('y') !== -1;\n\n        return function(pt1, pt2) {\n            var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;\n            var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;\n            return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));\n        };\n    }\n\n    function indexMode(chart, e, options) {\n        var position = getRelativePosition(e, chart);\n        // Default axis for index mode is 'x' to match old behaviour\n        options.axis = options.axis || 'x';\n        var distanceMetric = getDistanceMetricForAxis(options.axis);\n        var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n        var elements = [];\n\n        if (!items.length) {\n            return [];\n        }\n\n        chart.data.datasets.forEach(function(dataset, datasetIndex) {\n            if (chart.isDatasetVisible(datasetIndex)) {\n                var meta = chart.getDatasetMeta(datasetIndex);\n                var element = meta.data[items[0]._index];\n\n                // don't count items that are skipped (null data)\n                if (element && !element._view.skip) {\n                    elements.push(element);\n                }\n            }\n        });\n\n        return elements;\n    }\n\n    /**\n     * @interface IInteractionOptions\n     */\n    /**\n     * If true, only consider items that intersect the point\n     * @name IInterfaceOptions#boolean\n     * @type Boolean\n     */\n\n    /**\n     * Contains interaction related functions\n     * @namespace Chart.Interaction\n     */\n    module.exports = {\n        // Helper function for different modes\n        modes: {\n            single: function(chart, e) {\n                var position = getRelativePosition(e, chart);\n                var elements = [];\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inRange(position.x, position.y)) {\n                        elements.push(element);\n                        return elements;\n                    }\n                });\n\n                return elements.slice(0, 1);\n            },\n\n            /**\n             * @function Chart.Interaction.modes.label\n             * @deprecated since version 2.4.0\n             * @todo remove at version 3\n             * @private\n             */\n            label: indexMode,\n\n            /**\n             * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something\n             * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item\n             * @function Chart.Interaction.modes.index\n             * @since v2.4.0\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use during interaction\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            index: indexMode,\n\n            /**\n             * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something\n             * If the options.intersect is false, we find the nearest item and return the items in that dataset\n             * @function Chart.Interaction.modes.dataset\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use during interaction\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            dataset: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                options.axis = options.axis || 'xy';\n                var distanceMetric = getDistanceMetricForAxis(options.axis);\n                var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);\n\n                if (items.length > 0) {\n                    items = chart.getDatasetMeta(items[0]._datasetIndex).data;\n                }\n\n                return items;\n            },\n\n            /**\n             * @function Chart.Interaction.modes.x-axis\n             * @deprecated since version 2.4.0. Use index mode and intersect == true\n             * @todo remove at version 3\n             * @private\n             */\n            'x-axis': function(chart, e) {\n                return indexMode(chart, e, {intersect: true});\n            },\n\n            /**\n             * Point mode returns all elements that hit test based on the event position\n             * of the event\n             * @function Chart.Interaction.modes.intersect\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            point: function(chart, e) {\n                var position = getRelativePosition(e, chart);\n                return getIntersectItems(chart, position);\n            },\n\n            /**\n             * nearest mode returns the element closest to the point\n             * @function Chart.Interaction.modes.intersect\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            nearest: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                options.axis = options.axis || 'xy';\n                var distanceMetric = getDistanceMetricForAxis(options.axis);\n                var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric);\n\n                // We have multiple items at the same distance from the event. Now sort by smallest\n                if (nearestItems.length > 1) {\n                    nearestItems.sort(function(a, b) {\n                        var sizeA = a.getArea();\n                        var sizeB = b.getArea();\n                        var ret = sizeA - sizeB;\n\n                        if (ret === 0) {\n                            // if equal sort by dataset index\n                            ret = a._datasetIndex - b._datasetIndex;\n                        }\n\n                        return ret;\n                    });\n                }\n\n                // Return only 1 item\n                return nearestItems.slice(0, 1);\n            },\n\n            /**\n             * x mode returns the elements that hit-test at the current x coordinate\n             * @function Chart.Interaction.modes.x\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            x: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                var items = [];\n                var intersectsItem = false;\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inXRange(position.x)) {\n                        items.push(element);\n                    }\n\n                    if (element.inRange(position.x, position.y)) {\n                        intersectsItem = true;\n                    }\n                });\n\n                // If we want to trigger on an intersect and we don't have any items\n                // that intersect the position, return nothing\n                if (options.intersect && !intersectsItem) {\n                    items = [];\n                }\n                return items;\n            },\n\n            /**\n             * y mode returns the elements that hit-test at the current y coordinate\n             * @function Chart.Interaction.modes.y\n             * @param chart {chart} the chart we are returning items from\n             * @param e {Event} the event we are find things at\n             * @param options {IInteractionOptions} options to use\n             * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned\n             */\n            y: function(chart, e, options) {\n                var position = getRelativePosition(e, chart);\n                var items = [];\n                var intersectsItem = false;\n\n                parseVisibleItems(chart, function(element) {\n                    if (element.inYRange(position.y)) {\n                        items.push(element);\n                    }\n\n                    if (element.inRange(position.x, position.y)) {\n                        intersectsItem = true;\n                    }\n                });\n\n                // If we want to trigger on an intersect and we don't have any items\n                // that intersect the position, return nothing\n                if (options.intersect && !intersectsItem) {\n                    items = [];\n                }\n                return items;\n            }\n        }\n    };\n\n},{\"45\":45}],29:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n\n    defaults._set('global', {\n        responsive: true,\n        responsiveAnimationDuration: 0,\n        maintainAspectRatio: true,\n        events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'],\n        hover: {\n            onHover: null,\n            mode: 'nearest',\n            intersect: true,\n            animationDuration: 400\n        },\n        onClick: null,\n        defaultColor: 'rgba(0,0,0,0.1)',\n        defaultFontColor: '#666',\n        defaultFontFamily: \"'Helvetica Neue', 'Helvetica', 'Arial', sans-serif\",\n        defaultFontSize: 12,\n        defaultFontStyle: 'normal',\n        showLines: true,\n\n        // Element defaults defined in element extensions\n        elements: {},\n\n        // Layout options such as padding\n        layout: {\n            padding: {\n                top: 0,\n                right: 0,\n                bottom: 0,\n                left: 0\n            }\n        }\n    });\n\n    module.exports = function() {\n\n        // Occupy the global variable of Chart, and create a simple base class\n        var Chart = function(item, config) {\n            this.construct(item, config);\n            return this;\n        };\n\n        Chart.Chart = Chart;\n\n        return Chart;\n    };\n\n},{\"25\":25}],30:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        function filterByPosition(array, position) {\n            return helpers.where(array, function(v) {\n                return v.position === position;\n            });\n        }\n\n        function sortByWeight(array, reverse) {\n            array.forEach(function(v, i) {\n                v._tmpIndex_ = i;\n                return v;\n            });\n            array.sort(function(a, b) {\n                var v0 = reverse ? b : a;\n                var v1 = reverse ? a : b;\n                return v0.weight === v1.weight ?\n                    v0._tmpIndex_ - v1._tmpIndex_ :\n                    v0.weight - v1.weight;\n            });\n            array.forEach(function(v) {\n                delete v._tmpIndex_;\n            });\n        }\n\n        /**\n         * @interface ILayoutItem\n         * @prop {String} position - The position of the item in the chart layout. Possible values are\n         * 'left', 'top', 'right', 'bottom', and 'chartArea'\n         * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area\n         * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down\n         * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)\n         * @prop {Function} update - Takes two parameters: width and height. Returns size of item\n         * @prop {Function} getPadding -  Returns an object with padding on the edges\n         * @prop {Number} width - Width of item. Must be valid after update()\n         * @prop {Number} height - Height of item. Must be valid after update()\n         * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update\n         * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update\n         */\n\n        // The layout service is very self explanatory.  It's responsible for the layout within a chart.\n        // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need\n        // It is this service's responsibility of carrying out that layout.\n        Chart.layoutService = {\n            defaults: {},\n\n            /**\n             * Register a box to a chart.\n             * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.\n             * @param {Chart} chart - the chart to use\n             * @param {ILayoutItem} item - the item to add to be layed out\n             */\n            addBox: function(chart, item) {\n                if (!chart.boxes) {\n                    chart.boxes = [];\n                }\n\n                // initialize item with default values\n                item.fullWidth = item.fullWidth || false;\n                item.position = item.position || 'top';\n                item.weight = item.weight || 0;\n\n                chart.boxes.push(item);\n            },\n\n            /**\n             * Remove a layoutItem from a chart\n             * @param {Chart} chart - the chart to remove the box from\n             * @param {Object} layoutItem - the item to remove from the layout\n             */\n            removeBox: function(chart, layoutItem) {\n                var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;\n                if (index !== -1) {\n                    chart.boxes.splice(index, 1);\n                }\n            },\n\n            /**\n             * Sets (or updates) options on the given `item`.\n             * @param {Chart} chart - the chart in which the item lives (or will be added to)\n             * @param {Object} item - the item to configure with the given options\n             * @param {Object} options - the new item options.\n             */\n            configure: function(chart, item, options) {\n                var props = ['fullWidth', 'position', 'weight'];\n                var ilen = props.length;\n                var i = 0;\n                var prop;\n\n                for (; i < ilen; ++i) {\n                    prop = props[i];\n                    if (options.hasOwnProperty(prop)) {\n                        item[prop] = options[prop];\n                    }\n                }\n            },\n\n            /**\n             * Fits boxes of the given chart into the given size by having each box measure itself\n             * then running a fitting algorithm\n             * @param {Chart} chart - the chart\n             * @param {Number} width - the width to fit into\n             * @param {Number} height - the height to fit into\n             */\n            update: function(chart, width, height) {\n                if (!chart) {\n                    return;\n                }\n\n                var layoutOptions = chart.options.layout || {};\n                var padding = helpers.options.toPadding(layoutOptions.padding);\n                var leftPadding = padding.left;\n                var rightPadding = padding.right;\n                var topPadding = padding.top;\n                var bottomPadding = padding.bottom;\n\n                var leftBoxes = filterByPosition(chart.boxes, 'left');\n                var rightBoxes = filterByPosition(chart.boxes, 'right');\n                var topBoxes = filterByPosition(chart.boxes, 'top');\n                var bottomBoxes = filterByPosition(chart.boxes, 'bottom');\n                var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea');\n\n                // Sort boxes by weight. A higher weight is further away from the chart area\n                sortByWeight(leftBoxes, true);\n                sortByWeight(rightBoxes, false);\n                sortByWeight(topBoxes, true);\n                sortByWeight(bottomBoxes, false);\n\n                // Essentially we now have any number of boxes on each of the 4 sides.\n                // Our canvas looks like the following.\n                // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and\n                // B1 is the bottom axis\n                // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays\n                // These locations are single-box locations only, when trying to register a chartArea location that is already taken,\n                // an error will be thrown.\n                //\n                // |----------------------------------------------------|\n                // |                  T1 (Full Width)                   |\n                // |----------------------------------------------------|\n                // |    |    |                 T2                  |    |\n                // |    |----|-------------------------------------|----|\n                // |    |    | C1 |                           | C2 |    |\n                // |    |    |----|                           |----|    |\n                // |    |    |                                     |    |\n                // | L1 | L2 |           ChartArea (C0)            | R1 |\n                // |    |    |                                     |    |\n                // |    |    |----|                           |----|    |\n                // |    |    | C3 |                           | C4 |    |\n                // |    |----|-------------------------------------|----|\n                // |    |    |                 B1                  |    |\n                // |----------------------------------------------------|\n                // |                  B2 (Full Width)                   |\n                // |----------------------------------------------------|\n                //\n                // What we do to find the best sizing, we do the following\n                // 1. Determine the minimum size of the chart area.\n                // 2. Split the remaining width equally between each vertical axis\n                // 3. Split the remaining height equally between each horizontal axis\n                // 4. Give each layout the maximum size it can be. The layout will return it's minimum size\n                // 5. Adjust the sizes of each axis based on it's minimum reported size.\n                // 6. Refit each axis\n                // 7. Position each axis in the final location\n                // 8. Tell the chart the final location of the chart area\n                // 9. Tell any axes that overlay the chart area the positions of the chart area\n\n                // Step 1\n                var chartWidth = width - leftPadding - rightPadding;\n                var chartHeight = height - topPadding - bottomPadding;\n                var chartAreaWidth = chartWidth / 2; // min 50%\n                var chartAreaHeight = chartHeight / 2; // min 50%\n\n                // Step 2\n                var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length);\n\n                // Step 3\n                var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length);\n\n                // Step 4\n                var maxChartAreaWidth = chartWidth;\n                var maxChartAreaHeight = chartHeight;\n                var minBoxSizes = [];\n\n                function getMinimumBoxSize(box) {\n                    var minSize;\n                    var isHorizontal = box.isHorizontal();\n\n                    if (isHorizontal) {\n                        minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);\n                        maxChartAreaHeight -= minSize.height;\n                    } else {\n                        minSize = box.update(verticalBoxWidth, chartAreaHeight);\n                        maxChartAreaWidth -= minSize.width;\n                    }\n\n                    minBoxSizes.push({\n                        horizontal: isHorizontal,\n                        minSize: minSize,\n                        box: box,\n                    });\n                }\n\n                helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize);\n\n                // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478)\n                var maxHorizontalLeftPadding = 0;\n                var maxHorizontalRightPadding = 0;\n                var maxVerticalTopPadding = 0;\n                var maxVerticalBottomPadding = 0;\n\n                helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) {\n                    if (horizontalBox.getPadding) {\n                        var boxPadding = horizontalBox.getPadding();\n                        maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left);\n                        maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right);\n                    }\n                });\n\n                helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) {\n                    if (verticalBox.getPadding) {\n                        var boxPadding = verticalBox.getPadding();\n                        maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top);\n                        maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom);\n                    }\n                });\n\n                // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could\n                // be if the axes are drawn at their minimum sizes.\n                // Steps 5 & 6\n                var totalLeftBoxesWidth = leftPadding;\n                var totalRightBoxesWidth = rightPadding;\n                var totalTopBoxesHeight = topPadding;\n                var totalBottomBoxesHeight = bottomPadding;\n\n                // Function to fit a box\n                function fitBox(box) {\n                    var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) {\n                        return minBox.box === box;\n                    });\n\n                    if (minBoxSize) {\n                        if (box.isHorizontal()) {\n                            var scaleMargin = {\n                                left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding),\n                                right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding),\n                                top: 0,\n                                bottom: 0\n                            };\n\n                            // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends\n                            // on the margin. Sometimes they need to increase in size slightly\n                            box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin);\n                        } else {\n                            box.update(minBoxSize.minSize.width, maxChartAreaHeight);\n                        }\n                    }\n                }\n\n                // Update, and calculate the left and right margins for the horizontal boxes\n                helpers.each(leftBoxes.concat(rightBoxes), fitBox);\n\n                helpers.each(leftBoxes, function(box) {\n                    totalLeftBoxesWidth += box.width;\n                });\n\n                helpers.each(rightBoxes, function(box) {\n                    totalRightBoxesWidth += box.width;\n                });\n\n                // Set the Left and Right margins for the horizontal boxes\n                helpers.each(topBoxes.concat(bottomBoxes), fitBox);\n\n                // Figure out how much margin is on the top and bottom of the vertical boxes\n                helpers.each(topBoxes, function(box) {\n                    totalTopBoxesHeight += box.height;\n                });\n\n                helpers.each(bottomBoxes, function(box) {\n                    totalBottomBoxesHeight += box.height;\n                });\n\n                function finalFitVerticalBox(box) {\n                    var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) {\n                        return minSize.box === box;\n                    });\n\n                    var scaleMargin = {\n                        left: 0,\n                        right: 0,\n                        top: totalTopBoxesHeight,\n                        bottom: totalBottomBoxesHeight\n                    };\n\n                    if (minBoxSize) {\n                        box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin);\n                    }\n                }\n\n                // Let the left layout know the final margin\n                helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox);\n\n                // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance)\n                totalLeftBoxesWidth = leftPadding;\n                totalRightBoxesWidth = rightPadding;\n                totalTopBoxesHeight = topPadding;\n                totalBottomBoxesHeight = bottomPadding;\n\n                helpers.each(leftBoxes, function(box) {\n                    totalLeftBoxesWidth += box.width;\n                });\n\n                helpers.each(rightBoxes, function(box) {\n                    totalRightBoxesWidth += box.width;\n                });\n\n                helpers.each(topBoxes, function(box) {\n                    totalTopBoxesHeight += box.height;\n                });\n                helpers.each(bottomBoxes, function(box) {\n                    totalBottomBoxesHeight += box.height;\n                });\n\n                // We may be adding some padding to account for rotated x axis labels\n                var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0);\n                totalLeftBoxesWidth += leftPaddingAddition;\n                totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0);\n\n                var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0);\n                totalTopBoxesHeight += topPaddingAddition;\n                totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0);\n\n                // Figure out if our chart area changed. This would occur if the dataset layout label rotation\n                // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do\n                // without calling `fit` again\n                var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight;\n                var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth;\n\n                if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) {\n                    helpers.each(leftBoxes, function(box) {\n                        box.height = newMaxChartAreaHeight;\n                    });\n\n                    helpers.each(rightBoxes, function(box) {\n                        box.height = newMaxChartAreaHeight;\n                    });\n\n                    helpers.each(topBoxes, function(box) {\n                        if (!box.fullWidth) {\n                            box.width = newMaxChartAreaWidth;\n                        }\n                    });\n\n                    helpers.each(bottomBoxes, function(box) {\n                        if (!box.fullWidth) {\n                            box.width = newMaxChartAreaWidth;\n                        }\n                    });\n\n                    maxChartAreaHeight = newMaxChartAreaHeight;\n                    maxChartAreaWidth = newMaxChartAreaWidth;\n                }\n\n                // Step 7 - Position the boxes\n                var left = leftPadding + leftPaddingAddition;\n                var top = topPadding + topPaddingAddition;\n\n                function placeBox(box) {\n                    if (box.isHorizontal()) {\n                        box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth;\n                        box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth;\n                        box.top = top;\n                        box.bottom = top + box.height;\n\n                        // Move to next point\n                        top = box.bottom;\n\n                    } else {\n\n                        box.left = left;\n                        box.right = left + box.width;\n                        box.top = totalTopBoxesHeight;\n                        box.bottom = totalTopBoxesHeight + maxChartAreaHeight;\n\n                        // Move to next point\n                        left = box.right;\n                    }\n                }\n\n                helpers.each(leftBoxes.concat(topBoxes), placeBox);\n\n                // Account for chart width and height\n                left += maxChartAreaWidth;\n                top += maxChartAreaHeight;\n\n                helpers.each(rightBoxes, placeBox);\n                helpers.each(bottomBoxes, placeBox);\n\n                // Step 8\n                chart.chartArea = {\n                    left: totalLeftBoxesWidth,\n                    top: totalTopBoxesHeight,\n                    right: totalLeftBoxesWidth + maxChartAreaWidth,\n                    bottom: totalTopBoxesHeight + maxChartAreaHeight\n                };\n\n                // Step 9\n                helpers.each(chartAreaBoxes, function(box) {\n                    box.left = chart.chartArea.left;\n                    box.top = chart.chartArea.top;\n                    box.right = chart.chartArea.right;\n                    box.bottom = chart.chartArea.bottom;\n\n                    box.update(maxChartAreaWidth, maxChartAreaHeight);\n                });\n            }\n        };\n    };\n\n},{\"45\":45}],31:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        plugins: {}\n    });\n\n    module.exports = function(Chart) {\n\n        /**\n         * The plugin service singleton\n         * @namespace Chart.plugins\n         * @since 2.1.0\n         */\n        Chart.plugins = {\n            /**\n             * Globally registered plugins.\n             * @private\n             */\n            _plugins: [],\n\n            /**\n             * This identifier is used to invalidate the descriptors cache attached to each chart\n             * when a global plugin is registered or unregistered. In this case, the cache ID is\n             * incremented and descriptors are regenerated during following API calls.\n             * @private\n             */\n            _cacheId: 0,\n\n            /**\n             * Registers the given plugin(s) if not already registered.\n             * @param {Array|Object} plugins plugin instance(s).\n             */\n            register: function(plugins) {\n                var p = this._plugins;\n                ([]).concat(plugins).forEach(function(plugin) {\n                    if (p.indexOf(plugin) === -1) {\n                        p.push(plugin);\n                    }\n                });\n\n                this._cacheId++;\n            },\n\n            /**\n             * Unregisters the given plugin(s) only if registered.\n             * @param {Array|Object} plugins plugin instance(s).\n             */\n            unregister: function(plugins) {\n                var p = this._plugins;\n                ([]).concat(plugins).forEach(function(plugin) {\n                    var idx = p.indexOf(plugin);\n                    if (idx !== -1) {\n                        p.splice(idx, 1);\n                    }\n                });\n\n                this._cacheId++;\n            },\n\n            /**\n             * Remove all registered plugins.\n             * @since 2.1.5\n             */\n            clear: function() {\n                this._plugins = [];\n                this._cacheId++;\n            },\n\n            /**\n             * Returns the number of registered plugins?\n             * @returns {Number}\n             * @since 2.1.5\n             */\n            count: function() {\n                return this._plugins.length;\n            },\n\n            /**\n             * Returns all registered plugin instances.\n             * @returns {Array} array of plugin objects.\n             * @since 2.1.5\n             */\n            getAll: function() {\n                return this._plugins;\n            },\n\n            /**\n             * Calls enabled plugins for `chart` on the specified hook and with the given args.\n             * This method immediately returns as soon as a plugin explicitly returns false. The\n             * returned value can be used, for instance, to interrupt the current action.\n             * @param {Object} chart - The chart instance for which plugins should be called.\n             * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate').\n             * @param {Array} [args] - Extra arguments to apply to the hook call.\n             * @returns {Boolean} false if any of the plugins return false, else returns true.\n             */\n            notify: function(chart, hook, args) {\n                var descriptors = this.descriptors(chart);\n                var ilen = descriptors.length;\n                var i, descriptor, plugin, params, method;\n\n                for (i = 0; i < ilen; ++i) {\n                    descriptor = descriptors[i];\n                    plugin = descriptor.plugin;\n                    method = plugin[hook];\n                    if (typeof method === 'function') {\n                        params = [chart].concat(args || []);\n                        params.push(descriptor.options);\n                        if (method.apply(plugin, params) === false) {\n                            return false;\n                        }\n                    }\n                }\n\n                return true;\n            },\n\n            /**\n             * Returns descriptors of enabled plugins for the given chart.\n             * @returns {Array} [{ plugin, options }]\n             * @private\n             */\n            descriptors: function(chart) {\n                var cache = chart._plugins || (chart._plugins = {});\n                if (cache.id === this._cacheId) {\n                    return cache.descriptors;\n                }\n\n                var plugins = [];\n                var descriptors = [];\n                var config = (chart && chart.config) || {};\n                var options = (config.options && config.options.plugins) || {};\n\n                this._plugins.concat(config.plugins || []).forEach(function(plugin) {\n                    var idx = plugins.indexOf(plugin);\n                    if (idx !== -1) {\n                        return;\n                    }\n\n                    var id = plugin.id;\n                    var opts = options[id];\n                    if (opts === false) {\n                        return;\n                    }\n\n                    if (opts === true) {\n                        opts = helpers.clone(defaults.global.plugins[id]);\n                    }\n\n                    plugins.push(plugin);\n                    descriptors.push({\n                        plugin: plugin,\n                        options: opts || {}\n                    });\n                });\n\n                cache.descriptors = descriptors;\n                cache.id = this._cacheId;\n                return descriptors;\n            }\n        };\n\n        /**\n         * Plugin extension hooks.\n         * @interface IPlugin\n         * @since 2.1.0\n         */\n        /**\n         * @method IPlugin#beforeInit\n         * @desc Called before initializing `chart`.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#afterInit\n         * @desc Called after `chart` has been initialized and before the first update.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeUpdate\n         * @desc Called before updating `chart`. If any plugin returns `false`, the update\n         * is cancelled (and thus subsequent render(s)) until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart update.\n         */\n        /**\n         * @method IPlugin#afterUpdate\n         * @desc Called after `chart` has been updated and before rendering. Note that this\n         * hook will not be called if the chart update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetsUpdate\n         * @desc Called before updating the `chart` datasets. If any plugin returns `false`,\n         * the datasets update is cancelled until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} false to cancel the datasets update.\n         * @since version 2.1.5\n         */\n        /**\n         * @method IPlugin#afterDatasetsUpdate\n         * @desc Called after the `chart` datasets have been updated. Note that this hook\n         * will not be called if the datasets update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @since version 2.1.5\n         */\n        /**\n         * @method IPlugin#beforeDatasetUpdate\n         * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin\n         * returns `false`, the datasets update is cancelled until another `update` is triggered.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetUpdate\n         * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note\n         * that this hook will not be called if the datasets update has been previously cancelled.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeLayout\n         * @desc Called before laying out `chart`. If any plugin returns `false`,\n         * the layout update is cancelled until another `update` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart layout.\n         */\n        /**\n         * @method IPlugin#afterLayout\n         * @desc Called after the `chart` has been layed out. Note that this hook will not\n         * be called if the layout update has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeRender\n         * @desc Called before rendering `chart`. If any plugin returns `false`,\n         * the rendering is cancelled until another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart rendering.\n         */\n        /**\n         * @method IPlugin#afterRender\n         * @desc Called after the `chart` has been fully rendered (and animation completed). Note\n         * that this hook will not be called if the rendering has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDraw\n         * @desc Called before drawing `chart` at every animation frame specified by the given\n         * easing value. If any plugin returns `false`, the frame drawing is cancelled until\n         * another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart drawing.\n         */\n        /**\n         * @method IPlugin#afterDraw\n         * @desc Called after the `chart` has been drawn for the specific easing value. Note\n         * that this hook will not be called if the drawing has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetsDraw\n         * @desc Called before drawing the `chart` datasets. If any plugin returns `false`,\n         * the datasets drawing is cancelled until another `render` is triggered.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetsDraw\n         * @desc Called after the `chart` datasets have been drawn. Note that this hook\n         * will not be called if the datasets drawing has been previously cancelled.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeDatasetDraw\n         * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets\n         * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing\n         * is cancelled until another `render` is triggered.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         * @returns {Boolean} `false` to cancel the chart datasets drawing.\n         */\n        /**\n         * @method IPlugin#afterDatasetDraw\n         * @desc Called after the `chart` datasets at the given `args.index` have been drawn\n         * (datasets are drawn in the reverse order). Note that this hook will not be called\n         * if the datasets drawing has been previously cancelled.\n         * @param {Chart} chart - The chart instance.\n         * @param {Object} args - The call arguments.\n         * @param {Number} args.index - The dataset index.\n         * @param {Object} args.meta - The dataset metadata.\n         * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#beforeEvent\n         * @desc Called before processing the specified `event`. If any plugin returns `false`,\n         * the event will be discarded.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {IEvent} event - The event object.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#afterEvent\n         * @desc Called after the `event` has been consumed. Note that this hook\n         * will not be called if the `event` has been previously discarded.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {IEvent} event - The event object.\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#resize\n         * @desc Called after the chart as been resized.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Number} size - The new canvas display size (eq. canvas.style width & height).\n         * @param {Object} options - The plugin options.\n         */\n        /**\n         * @method IPlugin#destroy\n         * @desc Called after the chart as been destroyed.\n         * @param {Chart.Controller} chart - The chart instance.\n         * @param {Object} options - The plugin options.\n         */\n\n        /**\n         * Provided for backward compatibility, use Chart.plugins instead\n         * @namespace Chart.pluginService\n         * @deprecated since version 2.1.5\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.pluginService = Chart.plugins;\n\n        /**\n         * Provided for backward compatibility, inheriting from Chart.PlugingBase has no\n         * effect, instead simply create/register plugins via plain JavaScript objects.\n         * @interface Chart.PluginBase\n         * @deprecated since version 2.5.0\n         * @todo remove at version 3\n         * @private\n         */\n        Chart.PluginBase = Element.extend({});\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],32:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    defaults._set('scale', {\n        display: true,\n        position: 'left',\n        offset: false,\n\n        // grid line settings\n        gridLines: {\n            display: true,\n            color: 'rgba(0, 0, 0, 0.1)',\n            lineWidth: 1,\n            drawBorder: true,\n            drawOnChartArea: true,\n            drawTicks: true,\n            tickMarkLength: 10,\n            zeroLineWidth: 1,\n            zeroLineColor: 'rgba(0,0,0,0.25)',\n            zeroLineBorderDash: [],\n            zeroLineBorderDashOffset: 0.0,\n            offsetGridLines: false,\n            borderDash: [],\n            borderDashOffset: 0.0\n        },\n\n        // scale label\n        scaleLabel: {\n            // display property\n            display: false,\n\n            // actual label\n            labelString: '',\n\n            // line height\n            lineHeight: 1.2,\n\n            // top/bottom padding\n            padding: {\n                top: 4,\n                bottom: 4\n            }\n        },\n\n        // label settings\n        ticks: {\n            beginAtZero: false,\n            minRotation: 0,\n            maxRotation: 50,\n            mirror: false,\n            padding: 0,\n            reverse: false,\n            display: true,\n            autoSkip: true,\n            autoSkipPadding: 0,\n            labelOffset: 0,\n            // We pass through arrays to be rendered as multiline labels, we convert Others to strings here.\n            callback: Ticks.formatters.values,\n            minor: {},\n            major: {}\n        }\n    });\n\n    function labelsFromTicks(ticks) {\n        var labels = [];\n        var i, ilen;\n\n        for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n            labels.push(ticks[i].label);\n        }\n\n        return labels;\n    }\n\n    function getLineValue(scale, index, offsetGridLines) {\n        var lineValue = scale.getPixelForTick(index);\n\n        if (offsetGridLines) {\n            if (index === 0) {\n                lineValue -= (scale.getPixelForTick(1) - lineValue) / 2;\n            } else {\n                lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2;\n            }\n        }\n        return lineValue;\n    }\n\n    module.exports = function(Chart) {\n\n        function computeTextSize(context, tick, font) {\n            return helpers.isArray(tick) ?\n                helpers.longestText(context, font, tick) :\n                context.measureText(tick).width;\n        }\n\n        function parseFontOptions(options) {\n            var valueOrDefault = helpers.valueOrDefault;\n            var globalDefaults = defaults.global;\n            var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);\n            var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle);\n            var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily);\n\n            return {\n                size: size,\n                style: style,\n                family: family,\n                font: helpers.fontString(size, style, family)\n            };\n        }\n\n        function parseLineHeight(options) {\n            return helpers.options.toLineHeight(\n                helpers.valueOrDefault(options.lineHeight, 1.2),\n                helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize));\n        }\n\n        Chart.Scale = Element.extend({\n            /**\n             * Get the padding needed for the scale\n             * @method getPadding\n             * @private\n             * @returns {Padding} the necessary padding\n             */\n            getPadding: function() {\n                var me = this;\n                return {\n                    left: me.paddingLeft || 0,\n                    top: me.paddingTop || 0,\n                    right: me.paddingRight || 0,\n                    bottom: me.paddingBottom || 0\n                };\n            },\n\n            /**\n             * Returns the scale tick objects ({label, major})\n             * @since 2.7\n             */\n            getTicks: function() {\n                return this._ticks;\n            },\n\n            // These methods are ordered by lifecyle. Utilities then follow.\n            // Any function defined here is inherited by all scale types.\n            // Any function can be extended by the scale type\n\n            mergeTicksOptions: function() {\n                var ticks = this.options.ticks;\n                if (ticks.minor === false) {\n                    ticks.minor = {\n                        display: false\n                    };\n                }\n                if (ticks.major === false) {\n                    ticks.major = {\n                        display: false\n                    };\n                }\n                for (var key in ticks) {\n                    if (key !== 'major' && key !== 'minor') {\n                        if (typeof ticks.minor[key] === 'undefined') {\n                            ticks.minor[key] = ticks[key];\n                        }\n                        if (typeof ticks.major[key] === 'undefined') {\n                            ticks.major[key] = ticks[key];\n                        }\n                    }\n                }\n            },\n            beforeUpdate: function() {\n                helpers.callback(this.options.beforeUpdate, [this]);\n            },\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n                var i, ilen, labels, label, ticks, tick;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = helpers.extend({\n                    left: 0,\n                    right: 0,\n                    top: 0,\n                    bottom: 0\n                }, margins);\n                me.longestTextCache = me.longestTextCache || {};\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n\n                // Data min/max\n                me.beforeDataLimits();\n                me.determineDataLimits();\n                me.afterDataLimits();\n\n                // Ticks - `this.ticks` is now DEPRECATED!\n                // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member\n                // and must not be accessed directly from outside this class. `this.ticks` being\n                // around for long time and not marked as private, we can't change its structure\n                // without unexpected breaking changes. If you need to access the scale ticks,\n                // use scale.getTicks() instead.\n\n                me.beforeBuildTicks();\n\n                // New implementations should return an array of objects but for BACKWARD COMPAT,\n                // we still support no return (`this.ticks` internally set by calling this method).\n                ticks = me.buildTicks() || [];\n\n                me.afterBuildTicks();\n\n                me.beforeTickToLabelConversion();\n\n                // New implementations should return the formatted tick labels but for BACKWARD\n                // COMPAT, we still support no return (`this.ticks` internally changed by calling\n                // this method and supposed to contain only string values).\n                labels = me.convertTicksToLabels(ticks) || me.ticks;\n\n                me.afterTickToLabelConversion();\n\n                me.ticks = labels;   // BACKWARD COMPATIBILITY\n\n                // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change!\n\n                // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`)\n                for (i = 0, ilen = labels.length; i < ilen; ++i) {\n                    label = labels[i];\n                    tick = ticks[i];\n                    if (!tick) {\n                        ticks.push(tick = {\n                            label: label,\n                            major: false\n                        });\n                    } else {\n                        tick.label = label;\n                    }\n                }\n\n                me._ticks = ticks;\n\n                // Tick Rotation\n                me.beforeCalculateTickRotation();\n                me.calculateTickRotation();\n                me.afterCalculateTickRotation();\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n\n            },\n            afterUpdate: function() {\n                helpers.callback(this.options.afterUpdate, [this]);\n            },\n\n            //\n\n            beforeSetDimensions: function() {\n                helpers.callback(this.options.beforeSetDimensions, [this]);\n            },\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n            },\n            afterSetDimensions: function() {\n                helpers.callback(this.options.afterSetDimensions, [this]);\n            },\n\n            // Data limits\n            beforeDataLimits: function() {\n                helpers.callback(this.options.beforeDataLimits, [this]);\n            },\n            determineDataLimits: helpers.noop,\n            afterDataLimits: function() {\n                helpers.callback(this.options.afterDataLimits, [this]);\n            },\n\n            //\n            beforeBuildTicks: function() {\n                helpers.callback(this.options.beforeBuildTicks, [this]);\n            },\n            buildTicks: helpers.noop,\n            afterBuildTicks: function() {\n                helpers.callback(this.options.afterBuildTicks, [this]);\n            },\n\n            beforeTickToLabelConversion: function() {\n                helpers.callback(this.options.beforeTickToLabelConversion, [this]);\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n                // Convert ticks to strings\n                var tickOpts = me.options.ticks;\n                me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this);\n            },\n            afterTickToLabelConversion: function() {\n                helpers.callback(this.options.afterTickToLabelConversion, [this]);\n            },\n\n            //\n\n            beforeCalculateTickRotation: function() {\n                helpers.callback(this.options.beforeCalculateTickRotation, [this]);\n            },\n            calculateTickRotation: function() {\n                var me = this;\n                var context = me.ctx;\n                var tickOpts = me.options.ticks;\n                var labels = labelsFromTicks(me._ticks);\n\n                // Get the width of each grid by calculating the difference\n                // between x offsets between 0 and 1.\n                var tickFont = parseFontOptions(tickOpts);\n                context.font = tickFont.font;\n\n                var labelRotation = tickOpts.minRotation || 0;\n\n                if (labels.length && me.options.display && me.isHorizontal()) {\n                    var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache);\n                    var labelWidth = originalLabelWidth;\n                    var cosRotation, sinRotation;\n\n                    // Allow 3 pixels x2 padding either side for label readability\n                    var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6;\n\n                    // Max label rotation can be set or default to 90 - also act as a loop counter\n                    while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) {\n                        var angleRadians = helpers.toRadians(labelRotation);\n                        cosRotation = Math.cos(angleRadians);\n                        sinRotation = Math.sin(angleRadians);\n\n                        if (sinRotation * originalLabelWidth > me.maxHeight) {\n                            // go back one step\n                            labelRotation--;\n                            break;\n                        }\n\n                        labelRotation++;\n                        labelWidth = cosRotation * originalLabelWidth;\n                    }\n                }\n\n                me.labelRotation = labelRotation;\n            },\n            afterCalculateTickRotation: function() {\n                helpers.callback(this.options.afterCalculateTickRotation, [this]);\n            },\n\n            //\n\n            beforeFit: function() {\n                helpers.callback(this.options.beforeFit, [this]);\n            },\n            fit: function() {\n                var me = this;\n                // Reset\n                var minSize = me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n\n                var labels = labelsFromTicks(me._ticks);\n\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var scaleLabelOpts = opts.scaleLabel;\n                var gridLineOpts = opts.gridLines;\n                var display = opts.display;\n                var isHorizontal = me.isHorizontal();\n\n                var tickFont = parseFontOptions(tickOpts);\n                var tickMarkLength = opts.gridLines.tickMarkLength;\n\n                // Width\n                if (isHorizontal) {\n                    // subtract the margins to line up with the chartArea if we are a full width scale\n                    minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth;\n                } else {\n                    minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n                }\n\n                // height\n                if (isHorizontal) {\n                    minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0;\n                } else {\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                // Are we showing a title for the scale?\n                if (scaleLabelOpts.display && display) {\n                    var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts);\n                    var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding);\n                    var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height;\n\n                    if (isHorizontal) {\n                        minSize.height += deltaHeight;\n                    } else {\n                        minSize.width += deltaHeight;\n                    }\n                }\n\n                // Don't bother fitting the ticks if we are not showing them\n                if (tickOpts.display && display) {\n                    var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache);\n                    var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels);\n                    var lineSpace = tickFont.size * 0.5;\n                    var tickPadding = me.options.ticks.padding;\n\n                    if (isHorizontal) {\n                        // A horizontal axis is more constrained by the height.\n                        me.longestLabelWidth = largestTextWidth;\n\n                        var angleRadians = helpers.toRadians(me.labelRotation);\n                        var cosRotation = Math.cos(angleRadians);\n                        var sinRotation = Math.sin(angleRadians);\n\n                        // TODO - improve this calculation\n                        var labelHeight = (sinRotation * largestTextWidth)\n                            + (tickFont.size * tallestLabelHeightInLines)\n                            + (lineSpace * (tallestLabelHeightInLines - 1))\n                            + lineSpace; // padding\n\n                        minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);\n\n                        me.ctx.font = tickFont.font;\n                        var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font);\n                        var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font);\n\n                        // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned\n                        // which means that the right padding is dominated by the font height\n                        if (me.labelRotation !== 0) {\n                            me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges\n                            me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3;\n                        } else {\n                            me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges\n                            me.paddingRight = lastLabelWidth / 2 + 3;\n                        }\n                    } else {\n                        // A vertical axis is more constrained by the width. Labels are the\n                        // dominant factor here, so get that length first and account for padding\n                        if (tickOpts.mirror) {\n                            largestTextWidth = 0;\n                        } else {\n                            // use lineSpace for consistency with horizontal axis\n                            // tickPadding is not implemented for horizontal\n                            largestTextWidth += tickPadding + lineSpace;\n                        }\n\n                        minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth);\n\n                        me.paddingTop = tickFont.size / 2;\n                        me.paddingBottom = tickFont.size / 2;\n                    }\n                }\n\n                me.handleMargins();\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n            },\n\n            /**\n             * Handle margins and padding interactions\n             * @private\n             */\n            handleMargins: function() {\n                var me = this;\n                if (me.margins) {\n                    me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0);\n                    me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0);\n                    me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0);\n                    me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0);\n                }\n            },\n\n            afterFit: function() {\n                helpers.callback(this.options.afterFit, [this]);\n            },\n\n            // Shared Methods\n            isHorizontal: function() {\n                return this.options.position === 'top' || this.options.position === 'bottom';\n            },\n            isFullWidth: function() {\n                return (this.options.fullWidth);\n            },\n\n            // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not\n            getRightValue: function(rawValue) {\n                // Null and undefined values first\n                if (helpers.isNullOrUndef(rawValue)) {\n                    return NaN;\n                }\n                // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values\n                if (typeof rawValue === 'number' && !isFinite(rawValue)) {\n                    return NaN;\n                }\n                // If it is in fact an object, dive in one more level\n                if (rawValue) {\n                    if (this.isHorizontal()) {\n                        if (rawValue.x !== undefined) {\n                            return this.getRightValue(rawValue.x);\n                        }\n                    } else if (rawValue.y !== undefined) {\n                        return this.getRightValue(rawValue.y);\n                    }\n                }\n\n                // Value is good, return it\n                return rawValue;\n            },\n\n            // Used to get the value to display in the tooltip for the data at the given index\n            // function getLabelForIndex(index, datasetIndex)\n            getLabelForIndex: helpers.noop,\n\n            // Used to get data value locations.  Value can either be an index or a numerical value\n            getPixelForValue: helpers.noop,\n\n            // Used to get the data value from a given pixel. This is the inverse of getPixelForValue\n            getValueForPixel: helpers.noop,\n\n            // Used for tick location, should\n            getPixelForTick: function(index) {\n                var me = this;\n                var offset = me.options.offset;\n                if (me.isHorizontal()) {\n                    var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n                    var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n                    var pixel = (tickWidth * index) + me.paddingLeft;\n\n                    if (offset) {\n                        pixel += tickWidth / 2;\n                    }\n\n                    var finalVal = me.left + Math.round(pixel);\n                    finalVal += me.isFullWidth() ? me.margins.left : 0;\n                    return finalVal;\n                }\n                var innerHeight = me.height - (me.paddingTop + me.paddingBottom);\n                return me.top + (index * (innerHeight / (me._ticks.length - 1)));\n            },\n\n            // Utility for getting the pixel location of a percentage of scale\n            getPixelForDecimal: function(decimal) {\n                var me = this;\n                if (me.isHorizontal()) {\n                    var innerWidth = me.width - (me.paddingLeft + me.paddingRight);\n                    var valueOffset = (innerWidth * decimal) + me.paddingLeft;\n\n                    var finalVal = me.left + Math.round(valueOffset);\n                    finalVal += me.isFullWidth() ? me.margins.left : 0;\n                    return finalVal;\n                }\n                return me.top + (decimal * me.height);\n            },\n\n            getBasePixel: function() {\n                return this.getPixelForValue(this.getBaseValue());\n            },\n\n            getBaseValue: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n\n                return me.beginAtZero ? 0 :\n                    min < 0 && max < 0 ? max :\n                        min > 0 && max > 0 ? min :\n                            0;\n            },\n\n            /**\n             * Returns a subset of ticks to be plotted to avoid overlapping labels.\n             * @private\n             */\n            _autoSkip: function(ticks) {\n                var skipRatio;\n                var me = this;\n                var isHorizontal = me.isHorizontal();\n                var optionTicks = me.options.ticks.minor;\n                var tickCount = ticks.length;\n                var labelRotationRadians = helpers.toRadians(me.labelRotation);\n                var cosRotation = Math.cos(labelRotationRadians);\n                var longestRotatedLabel = me.longestLabelWidth * cosRotation;\n                var result = [];\n                var i, tick, shouldSkip;\n\n                // figure out the maximum number of gridlines to show\n                var maxTicks;\n                if (optionTicks.maxTicksLimit) {\n                    maxTicks = optionTicks.maxTicksLimit;\n                }\n\n                if (isHorizontal) {\n                    skipRatio = false;\n\n                    if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) {\n                        skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight)));\n                    }\n\n                    // if they defined a max number of optionTicks,\n                    // increase skipRatio until that number is met\n                    if (maxTicks && tickCount > maxTicks) {\n                        skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks));\n                    }\n                }\n\n                for (i = 0; i < tickCount; i++) {\n                    tick = ticks[i];\n\n                    // Since we always show the last tick,we need may need to hide the last shown one before\n                    shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount);\n                    if (shouldSkip && i !== tickCount - 1 || helpers.isNullOrUndef(tick.label)) {\n                        // leave tick in place but make sure it's not displayed (#4635)\n                        delete tick.label;\n                    }\n                    result.push(tick);\n                }\n                return result;\n            },\n\n            // Actually draw the scale on the canvas\n            // @param {rectangle} chartArea : the area of the chart to draw full grid lines on\n            draw: function(chartArea) {\n                var me = this;\n                var options = me.options;\n                if (!options.display) {\n                    return;\n                }\n\n                var context = me.ctx;\n                var globalDefaults = defaults.global;\n                var optionTicks = options.ticks.minor;\n                var optionMajorTicks = options.ticks.major || optionTicks;\n                var gridLines = options.gridLines;\n                var scaleLabel = options.scaleLabel;\n\n                var isRotated = me.labelRotation !== 0;\n                var isHorizontal = me.isHorizontal();\n\n                var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks();\n                var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor);\n                var tickFont = parseFontOptions(optionTicks);\n                var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor);\n                var majorTickFont = parseFontOptions(optionMajorTicks);\n\n                var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0;\n\n                var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor);\n                var scaleLabelFont = parseFontOptions(scaleLabel);\n                var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding);\n                var labelRotationRadians = helpers.toRadians(me.labelRotation);\n\n                var itemsToDraw = [];\n\n                var xTickStart = options.position === 'right' ? me.left : me.right - tl;\n                var xTickEnd = options.position === 'right' ? me.left + tl : me.right;\n                var yTickStart = options.position === 'bottom' ? me.top : me.bottom - tl;\n                var yTickEnd = options.position === 'bottom' ? me.top + tl : me.bottom;\n\n                helpers.each(ticks, function(tick, index) {\n                    // autoskipper skipped this tick (#4635)\n                    if (tick.label === undefined) {\n                        return;\n                    }\n\n                    var label = tick.label;\n                    var lineWidth, lineColor, borderDash, borderDashOffset;\n                    if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) {\n                        // Draw the first index specially\n                        lineWidth = gridLines.zeroLineWidth;\n                        lineColor = gridLines.zeroLineColor;\n                        borderDash = gridLines.zeroLineBorderDash;\n                        borderDashOffset = gridLines.zeroLineBorderDashOffset;\n                    } else {\n                        lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index);\n                        lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index);\n                        borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash);\n                        borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset);\n                    }\n\n                    // Common properties\n                    var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY;\n                    var textAlign = 'middle';\n                    var textBaseline = 'middle';\n                    var tickPadding = optionTicks.padding;\n\n                    if (isHorizontal) {\n                        var labelYOffset = tl + tickPadding;\n\n                        if (options.position === 'bottom') {\n                            // bottom\n                            textBaseline = !isRotated ? 'top' : 'middle';\n                            textAlign = !isRotated ? 'center' : 'right';\n                            labelY = me.top + labelYOffset;\n                        } else {\n                            // top\n                            textBaseline = !isRotated ? 'bottom' : 'middle';\n                            textAlign = !isRotated ? 'center' : 'left';\n                            labelY = me.bottom - labelYOffset;\n                        }\n\n                        var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n                        if (xLineValue < me.left) {\n                            lineColor = 'rgba(0,0,0,0)';\n                        }\n                        xLineValue += helpers.aliasPixel(lineWidth);\n\n                        labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option)\n\n                        tx1 = tx2 = x1 = x2 = xLineValue;\n                        ty1 = yTickStart;\n                        ty2 = yTickEnd;\n                        y1 = chartArea.top;\n                        y2 = chartArea.bottom;\n                    } else {\n                        var isLeft = options.position === 'left';\n                        var labelXOffset;\n\n                        if (optionTicks.mirror) {\n                            textAlign = isLeft ? 'left' : 'right';\n                            labelXOffset = tickPadding;\n                        } else {\n                            textAlign = isLeft ? 'right' : 'left';\n                            labelXOffset = tl + tickPadding;\n                        }\n\n                        labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset;\n\n                        var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);\n                        if (yLineValue < me.top) {\n                            lineColor = 'rgba(0,0,0,0)';\n                        }\n                        yLineValue += helpers.aliasPixel(lineWidth);\n\n                        labelY = me.getPixelForTick(index) + optionTicks.labelOffset;\n\n                        tx1 = xTickStart;\n                        tx2 = xTickEnd;\n                        x1 = chartArea.left;\n                        x2 = chartArea.right;\n                        ty1 = ty2 = y1 = y2 = yLineValue;\n                    }\n\n                    itemsToDraw.push({\n                        tx1: tx1,\n                        ty1: ty1,\n                        tx2: tx2,\n                        ty2: ty2,\n                        x1: x1,\n                        y1: y1,\n                        x2: x2,\n                        y2: y2,\n                        labelX: labelX,\n                        labelY: labelY,\n                        glWidth: lineWidth,\n                        glColor: lineColor,\n                        glBorderDash: borderDash,\n                        glBorderDashOffset: borderDashOffset,\n                        rotation: -1 * labelRotationRadians,\n                        label: label,\n                        major: tick.major,\n                        textBaseline: textBaseline,\n                        textAlign: textAlign\n                    });\n                });\n\n                // Draw all of the tick labels, tick marks, and grid lines at the correct places\n                helpers.each(itemsToDraw, function(itemToDraw) {\n                    if (gridLines.display) {\n                        context.save();\n                        context.lineWidth = itemToDraw.glWidth;\n                        context.strokeStyle = itemToDraw.glColor;\n                        if (context.setLineDash) {\n                            context.setLineDash(itemToDraw.glBorderDash);\n                            context.lineDashOffset = itemToDraw.glBorderDashOffset;\n                        }\n\n                        context.beginPath();\n\n                        if (gridLines.drawTicks) {\n                            context.moveTo(itemToDraw.tx1, itemToDraw.ty1);\n                            context.lineTo(itemToDraw.tx2, itemToDraw.ty2);\n                        }\n\n                        if (gridLines.drawOnChartArea) {\n                            context.moveTo(itemToDraw.x1, itemToDraw.y1);\n                            context.lineTo(itemToDraw.x2, itemToDraw.y2);\n                        }\n\n                        context.stroke();\n                        context.restore();\n                    }\n\n                    if (optionTicks.display) {\n                        // Make sure we draw text in the correct color and font\n                        context.save();\n                        context.translate(itemToDraw.labelX, itemToDraw.labelY);\n                        context.rotate(itemToDraw.rotation);\n                        context.font = itemToDraw.major ? majorTickFont.font : tickFont.font;\n                        context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor;\n                        context.textBaseline = itemToDraw.textBaseline;\n                        context.textAlign = itemToDraw.textAlign;\n\n                        var label = itemToDraw.label;\n                        if (helpers.isArray(label)) {\n                            for (var i = 0, y = 0; i < label.length; ++i) {\n                                // We just make sure the multiline element is a string here..\n                                context.fillText('' + label[i], 0, y);\n                                // apply same lineSpacing as calculated @ L#320\n                                y += (tickFont.size * 1.5);\n                            }\n                        } else {\n                            context.fillText(label, 0, 0);\n                        }\n                        context.restore();\n                    }\n                });\n\n                if (scaleLabel.display) {\n                    // Draw the scale label\n                    var scaleLabelX;\n                    var scaleLabelY;\n                    var rotation = 0;\n                    var halfLineHeight = parseLineHeight(scaleLabel) / 2;\n\n                    if (isHorizontal) {\n                        scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width\n                        scaleLabelY = options.position === 'bottom'\n                            ? me.bottom - halfLineHeight - scaleLabelPadding.bottom\n                            : me.top + halfLineHeight + scaleLabelPadding.top;\n                    } else {\n                        var isLeft = options.position === 'left';\n                        scaleLabelX = isLeft\n                            ? me.left + halfLineHeight + scaleLabelPadding.top\n                            : me.right - halfLineHeight - scaleLabelPadding.top;\n                        scaleLabelY = me.top + ((me.bottom - me.top) / 2);\n                        rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;\n                    }\n\n                    context.save();\n                    context.translate(scaleLabelX, scaleLabelY);\n                    context.rotate(rotation);\n                    context.textAlign = 'center';\n                    context.textBaseline = 'middle';\n                    context.fillStyle = scaleLabelFontColor; // render in correct colour\n                    context.font = scaleLabelFont.font;\n                    context.fillText(scaleLabel.labelString, 0, 0);\n                    context.restore();\n                }\n\n                if (gridLines.drawBorder) {\n                    // Draw the line at the edge of the axis\n                    context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0);\n                    context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0);\n                    var x1 = me.left;\n                    var x2 = me.right;\n                    var y1 = me.top;\n                    var y2 = me.bottom;\n\n                    var aliasPixel = helpers.aliasPixel(context.lineWidth);\n                    if (isHorizontal) {\n                        y1 = y2 = options.position === 'top' ? me.bottom : me.top;\n                        y1 += aliasPixel;\n                        y2 += aliasPixel;\n                    } else {\n                        x1 = x2 = options.position === 'left' ? me.right : me.left;\n                        x1 += aliasPixel;\n                        x2 += aliasPixel;\n                    }\n\n                    context.beginPath();\n                    context.moveTo(x1, y1);\n                    context.lineTo(x2, y2);\n                    context.stroke();\n                }\n            }\n        });\n    };\n\n},{\"25\":25,\"26\":26,\"34\":34,\"45\":45}],33:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n\n    module.exports = function(Chart) {\n\n        Chart.scaleService = {\n            // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then\n            // use the new chart options to grab the correct scale\n            constructors: {},\n            // Use a registration function so that we can move to an ES6 map when we no longer need to support\n            // old browsers\n\n            // Scale config defaults\n            defaults: {},\n            registerScaleType: function(type, scaleConstructor, scaleDefaults) {\n                this.constructors[type] = scaleConstructor;\n                this.defaults[type] = helpers.clone(scaleDefaults);\n            },\n            getScaleConstructor: function(type) {\n                return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;\n            },\n            getScaleDefaults: function(type) {\n                // Return the scale defaults merged with the global settings so that we always use the latest ones\n                return this.defaults.hasOwnProperty(type) ? helpers.merge({}, [defaults.scale, this.defaults[type]]) : {};\n            },\n            updateScaleDefaults: function(type, additions) {\n                var me = this;\n                if (me.defaults.hasOwnProperty(type)) {\n                    me.defaults[type] = helpers.extend(me.defaults[type], additions);\n                }\n            },\n            addScalesToLayout: function(chart) {\n                // Adds each scale to the chart.boxes array to be sized accordingly\n                helpers.each(chart.scales, function(scale) {\n                    // Set ILayoutItem parameters for backwards compatibility\n                    scale.fullWidth = scale.options.fullWidth;\n                    scale.position = scale.options.position;\n                    scale.weight = scale.options.weight;\n                    Chart.layoutService.addBox(chart, scale);\n                });\n            }\n        };\n    };\n\n},{\"25\":25,\"45\":45}],34:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n\n    /**\n     * Namespace to hold static tick generation functions\n     * @namespace Chart.Ticks\n     */\n    module.exports = {\n        /**\n         * Namespace to hold generators for different types of ticks\n         * @namespace Chart.Ticks.generators\n         */\n        generators: {\n            /**\n             * Interface for the options provided to the numeric tick generator\n             * @interface INumericTickGenerationOptions\n             */\n            /**\n             * The maximum number of ticks to display\n             * @name INumericTickGenerationOptions#maxTicks\n             * @type Number\n             */\n            /**\n             * The distance between each tick.\n             * @name INumericTickGenerationOptions#stepSize\n             * @type Number\n             * @optional\n             */\n            /**\n             * Forced minimum for the ticks. If not specified, the minimum of the data range is used to calculate the tick minimum\n             * @name INumericTickGenerationOptions#min\n             * @type Number\n             * @optional\n             */\n            /**\n             * The maximum value of the ticks. If not specified, the maximum of the data range is used to calculate the tick maximum\n             * @name INumericTickGenerationOptions#max\n             * @type Number\n             * @optional\n             */\n\n            /**\n             * Generate a set of linear ticks\n             * @method Chart.Ticks.generators.linear\n             * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n             * @param dataRange {IRange} the range of the data\n             * @returns {Array<Number>} array of tick values\n             */\n            linear: function(generationOptions, dataRange) {\n                var ticks = [];\n                // To get a \"nice\" value for the tick spacing, we will use the appropriately named\n                // \"nice number\" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks\n                // for details.\n\n                var spacing;\n                if (generationOptions.stepSize && generationOptions.stepSize > 0) {\n                    spacing = generationOptions.stepSize;\n                } else {\n                    var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false);\n                    spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true);\n                }\n                var niceMin = Math.floor(dataRange.min / spacing) * spacing;\n                var niceMax = Math.ceil(dataRange.max / spacing) * spacing;\n\n                // If min, max and stepSize is set and they make an evenly spaced scale use it.\n                if (generationOptions.min && generationOptions.max && generationOptions.stepSize) {\n                    // If very close to our whole number, use it.\n                    if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) {\n                        niceMin = generationOptions.min;\n                        niceMax = generationOptions.max;\n                    }\n                }\n\n                var numSpaces = (niceMax - niceMin) / spacing;\n                // If very close to our rounded value, use it.\n                if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {\n                    numSpaces = Math.round(numSpaces);\n                } else {\n                    numSpaces = Math.ceil(numSpaces);\n                }\n\n                // Put the values into the ticks array\n                ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin);\n                for (var j = 1; j < numSpaces; ++j) {\n                    ticks.push(niceMin + (j * spacing));\n                }\n                ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax);\n\n                return ticks;\n            },\n\n            /**\n             * Generate a set of logarithmic ticks\n             * @method Chart.Ticks.generators.logarithmic\n             * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks\n             * @param dataRange {IRange} the range of the data\n             * @returns {Array<Number>} array of tick values\n             */\n            logarithmic: function(generationOptions, dataRange) {\n                var ticks = [];\n                var valueOrDefault = helpers.valueOrDefault;\n\n                // Figure out what the max number of ticks we can support it is based on the size of\n                // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n                // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n                // the graph\n                var tickVal = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min))));\n\n                var endExp = Math.floor(helpers.log10(dataRange.max));\n                var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));\n                var exp, significand;\n\n                if (tickVal === 0) {\n                    exp = Math.floor(helpers.log10(dataRange.minNotZero));\n                    significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));\n\n                    ticks.push(tickVal);\n                    tickVal = significand * Math.pow(10, exp);\n                } else {\n                    exp = Math.floor(helpers.log10(tickVal));\n                    significand = Math.floor(tickVal / Math.pow(10, exp));\n                }\n\n                do {\n                    ticks.push(tickVal);\n\n                    ++significand;\n                    if (significand === 10) {\n                        significand = 1;\n                        ++exp;\n                    }\n\n                    tickVal = significand * Math.pow(10, exp);\n                } while (exp < endExp || (exp === endExp && significand < endSignificand));\n\n                var lastTick = valueOrDefault(generationOptions.max, tickVal);\n                ticks.push(lastTick);\n\n                return ticks;\n            }\n        },\n\n        /**\n         * Namespace to hold formatters for different types of ticks\n         * @namespace Chart.Ticks.formatters\n         */\n        formatters: {\n            /**\n             * Formatter for value labels\n             * @method Chart.Ticks.formatters.values\n             * @param value the value to display\n             * @return {String|Array} the label to display\n             */\n            values: function(value) {\n                return helpers.isArray(value) ? value : '' + value;\n            },\n\n            /**\n             * Formatter for linear numeric ticks\n             * @method Chart.Ticks.formatters.linear\n             * @param tickValue {Number} the value to be formatted\n             * @param index {Number} the position of the tickValue parameter in the ticks array\n             * @param ticks {Array<Number>} the list of ticks being converted\n             * @return {String} string representation of the tickValue parameter\n             */\n            linear: function(tickValue, index, ticks) {\n                // If we have lots of ticks, don't use the ones\n                var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];\n\n                // If we have a number like 2.5 as the delta, figure out how many decimal places we need\n                if (Math.abs(delta) > 1) {\n                    if (tickValue !== Math.floor(tickValue)) {\n                        // not an integer\n                        delta = tickValue - Math.floor(tickValue);\n                    }\n                }\n\n                var logDelta = helpers.log10(Math.abs(delta));\n                var tickString = '';\n\n                if (tickValue !== 0) {\n                    var numDecimal = -1 * Math.floor(logDelta);\n                    numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places\n                    tickString = tickValue.toFixed(numDecimal);\n                } else {\n                    tickString = '0'; // never show decimal places for 0\n                }\n\n                return tickString;\n            },\n\n            logarithmic: function(tickValue, index, ticks) {\n                var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue))));\n\n                if (tickValue === 0) {\n                    return '0';\n                } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) {\n                    return tickValue.toExponential();\n                }\n                return '';\n            }\n        }\n    };\n\n},{\"45\":45}],35:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        tooltips: {\n            enabled: true,\n            custom: null,\n            mode: 'nearest',\n            position: 'average',\n            intersect: true,\n            backgroundColor: 'rgba(0,0,0,0.8)',\n            titleFontStyle: 'bold',\n            titleSpacing: 2,\n            titleMarginBottom: 6,\n            titleFontColor: '#fff',\n            titleAlign: 'left',\n            bodySpacing: 2,\n            bodyFontColor: '#fff',\n            bodyAlign: 'left',\n            footerFontStyle: 'bold',\n            footerSpacing: 2,\n            footerMarginTop: 6,\n            footerFontColor: '#fff',\n            footerAlign: 'left',\n            yPadding: 6,\n            xPadding: 6,\n            caretPadding: 2,\n            caretSize: 5,\n            cornerRadius: 6,\n            multiKeyBackground: '#fff',\n            displayColors: true,\n            borderColor: 'rgba(0,0,0,0)',\n            borderWidth: 0,\n            callbacks: {\n                // Args are: (tooltipItems, data)\n                beforeTitle: helpers.noop,\n                title: function(tooltipItems, data) {\n                    // Pick first xLabel for now\n                    var title = '';\n                    var labels = data.labels;\n                    var labelCount = labels ? labels.length : 0;\n\n                    if (tooltipItems.length > 0) {\n                        var item = tooltipItems[0];\n\n                        if (item.xLabel) {\n                            title = item.xLabel;\n                        } else if (labelCount > 0 && item.index < labelCount) {\n                            title = labels[item.index];\n                        }\n                    }\n\n                    return title;\n                },\n                afterTitle: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                beforeBody: helpers.noop,\n\n                // Args are: (tooltipItem, data)\n                beforeLabel: helpers.noop,\n                label: function(tooltipItem, data) {\n                    var label = data.datasets[tooltipItem.datasetIndex].label || '';\n\n                    if (label) {\n                        label += ': ';\n                    }\n                    label += tooltipItem.yLabel;\n                    return label;\n                },\n                labelColor: function(tooltipItem, chart) {\n                    var meta = chart.getDatasetMeta(tooltipItem.datasetIndex);\n                    var activeElement = meta.data[tooltipItem.index];\n                    var view = activeElement._view;\n                    return {\n                        borderColor: view.borderColor,\n                        backgroundColor: view.backgroundColor\n                    };\n                },\n                labelTextColor: function() {\n                    return this._options.bodyFontColor;\n                },\n                afterLabel: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                afterBody: helpers.noop,\n\n                // Args are: (tooltipItems, data)\n                beforeFooter: helpers.noop,\n                footer: helpers.noop,\n                afterFooter: helpers.noop\n            }\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        /**\n         * Helper method to merge the opacity into a color\n         */\n        function mergeOpacity(colorString, opacity) {\n            var color = helpers.color(colorString);\n            return color.alpha(opacity * color.alpha()).rgbaString();\n        }\n\n        // Helper to push or concat based on if the 2nd parameter is an array or not\n        function pushOrConcat(base, toPush) {\n            if (toPush) {\n                if (helpers.isArray(toPush)) {\n                    // base = base.concat(toPush);\n                    Array.prototype.push.apply(base, toPush);\n                } else {\n                    base.push(toPush);\n                }\n            }\n\n            return base;\n        }\n\n        // Private helper to create a tooltip item model\n        // @param element : the chart element (point, arc, bar) to create the tooltip item for\n        // @return : new tooltip item\n        function createTooltipItem(element) {\n            var xScale = element._xScale;\n            var yScale = element._yScale || element._scale; // handle radar || polarArea charts\n            var index = element._index;\n            var datasetIndex = element._datasetIndex;\n\n            return {\n                xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '',\n                yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '',\n                index: index,\n                datasetIndex: datasetIndex,\n                x: element._model.x,\n                y: element._model.y\n            };\n        }\n\n        /**\n         * Helper to get the reset model for the tooltip\n         * @param tooltipOpts {Object} the tooltip options\n         */\n        function getBaseModel(tooltipOpts) {\n            var globalDefaults = defaults.global;\n            var valueOrDefault = helpers.valueOrDefault;\n\n            return {\n                // Positioning\n                xPadding: tooltipOpts.xPadding,\n                yPadding: tooltipOpts.yPadding,\n                xAlign: tooltipOpts.xAlign,\n                yAlign: tooltipOpts.yAlign,\n\n                // Body\n                bodyFontColor: tooltipOpts.bodyFontColor,\n                _bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily),\n                _bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle),\n                _bodyAlign: tooltipOpts.bodyAlign,\n                bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize),\n                bodySpacing: tooltipOpts.bodySpacing,\n\n                // Title\n                titleFontColor: tooltipOpts.titleFontColor,\n                _titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily),\n                _titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle),\n                titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize),\n                _titleAlign: tooltipOpts.titleAlign,\n                titleSpacing: tooltipOpts.titleSpacing,\n                titleMarginBottom: tooltipOpts.titleMarginBottom,\n\n                // Footer\n                footerFontColor: tooltipOpts.footerFontColor,\n                _footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily),\n                _footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle),\n                footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize),\n                _footerAlign: tooltipOpts.footerAlign,\n                footerSpacing: tooltipOpts.footerSpacing,\n                footerMarginTop: tooltipOpts.footerMarginTop,\n\n                // Appearance\n                caretSize: tooltipOpts.caretSize,\n                cornerRadius: tooltipOpts.cornerRadius,\n                backgroundColor: tooltipOpts.backgroundColor,\n                opacity: 0,\n                legendColorBackground: tooltipOpts.multiKeyBackground,\n                displayColors: tooltipOpts.displayColors,\n                borderColor: tooltipOpts.borderColor,\n                borderWidth: tooltipOpts.borderWidth\n            };\n        }\n\n        /**\n         * Get the size of the tooltip\n         */\n        function getTooltipSize(tooltip, model) {\n            var ctx = tooltip._chart.ctx;\n\n            var height = model.yPadding * 2; // Tooltip Padding\n            var width = 0;\n\n            // Count of all lines in the body\n            var body = model.body;\n            var combinedBodyLength = body.reduce(function(count, bodyItem) {\n                return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;\n            }, 0);\n            combinedBodyLength += model.beforeBody.length + model.afterBody.length;\n\n            var titleLineCount = model.title.length;\n            var footerLineCount = model.footer.length;\n            var titleFontSize = model.titleFontSize;\n            var bodyFontSize = model.bodyFontSize;\n            var footerFontSize = model.footerFontSize;\n\n            height += titleLineCount * titleFontSize; // Title Lines\n            height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing\n            height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin\n            height += combinedBodyLength * bodyFontSize; // Body Lines\n            height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing\n            height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin\n            height += footerLineCount * (footerFontSize); // Footer Lines\n            height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing\n\n            // Title width\n            var widthPadding = 0;\n            var maxLineWidth = function(line) {\n                width = Math.max(width, ctx.measureText(line).width + widthPadding);\n            };\n\n            ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily);\n            helpers.each(model.title, maxLineWidth);\n\n            // Body width\n            ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily);\n            helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth);\n\n            // Body lines may include some extra width due to the color box\n            widthPadding = model.displayColors ? (bodyFontSize + 2) : 0;\n            helpers.each(body, function(bodyItem) {\n                helpers.each(bodyItem.before, maxLineWidth);\n                helpers.each(bodyItem.lines, maxLineWidth);\n                helpers.each(bodyItem.after, maxLineWidth);\n            });\n\n            // Reset back to 0\n            widthPadding = 0;\n\n            // Footer width\n            ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily);\n            helpers.each(model.footer, maxLineWidth);\n\n            // Add padding\n            width += 2 * model.xPadding;\n\n            return {\n                width: width,\n                height: height\n            };\n        }\n\n        /**\n         * Helper to get the alignment of a tooltip given the size\n         */\n        function determineAlignment(tooltip, size) {\n            var model = tooltip._model;\n            var chart = tooltip._chart;\n            var chartArea = tooltip._chart.chartArea;\n            var xAlign = 'center';\n            var yAlign = 'center';\n\n            if (model.y < size.height) {\n                yAlign = 'top';\n            } else if (model.y > (chart.height - size.height)) {\n                yAlign = 'bottom';\n            }\n\n            var lf, rf; // functions to determine left, right alignment\n            var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart\n            var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges\n            var midX = (chartArea.left + chartArea.right) / 2;\n            var midY = (chartArea.top + chartArea.bottom) / 2;\n\n            if (yAlign === 'center') {\n                lf = function(x) {\n                    return x <= midX;\n                };\n                rf = function(x) {\n                    return x > midX;\n                };\n            } else {\n                lf = function(x) {\n                    return x <= (size.width / 2);\n                };\n                rf = function(x) {\n                    return x >= (chart.width - (size.width / 2));\n                };\n            }\n\n            olf = function(x) {\n                return x + size.width > chart.width;\n            };\n            orf = function(x) {\n                return x - size.width < 0;\n            };\n            yf = function(y) {\n                return y <= midY ? 'top' : 'bottom';\n            };\n\n            if (lf(model.x)) {\n                xAlign = 'left';\n\n                // Is tooltip too wide and goes over the right side of the chart.?\n                if (olf(model.x)) {\n                    xAlign = 'center';\n                    yAlign = yf(model.y);\n                }\n            } else if (rf(model.x)) {\n                xAlign = 'right';\n\n                // Is tooltip too wide and goes outside left edge of canvas?\n                if (orf(model.x)) {\n                    xAlign = 'center';\n                    yAlign = yf(model.y);\n                }\n            }\n\n            var opts = tooltip._options;\n            return {\n                xAlign: opts.xAlign ? opts.xAlign : xAlign,\n                yAlign: opts.yAlign ? opts.yAlign : yAlign\n            };\n        }\n\n        /**\n         * @Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment\n         */\n        function getBackgroundPoint(vm, size, alignment) {\n            // Background Position\n            var x = vm.x;\n            var y = vm.y;\n\n            var caretSize = vm.caretSize;\n            var caretPadding = vm.caretPadding;\n            var cornerRadius = vm.cornerRadius;\n            var xAlign = alignment.xAlign;\n            var yAlign = alignment.yAlign;\n            var paddingAndSize = caretSize + caretPadding;\n            var radiusAndPadding = cornerRadius + caretPadding;\n\n            if (xAlign === 'right') {\n                x -= size.width;\n            } else if (xAlign === 'center') {\n                x -= (size.width / 2);\n            }\n\n            if (yAlign === 'top') {\n                y += paddingAndSize;\n            } else if (yAlign === 'bottom') {\n                y -= size.height + paddingAndSize;\n            } else {\n                y -= (size.height / 2);\n            }\n\n            if (yAlign === 'center') {\n                if (xAlign === 'left') {\n                    x += paddingAndSize;\n                } else if (xAlign === 'right') {\n                    x -= paddingAndSize;\n                }\n            } else if (xAlign === 'left') {\n                x -= radiusAndPadding;\n            } else if (xAlign === 'right') {\n                x += radiusAndPadding;\n            }\n\n            return {\n                x: x,\n                y: y\n            };\n        }\n\n        Chart.Tooltip = Element.extend({\n            initialize: function() {\n                this._model = getBaseModel(this._options);\n            },\n\n            // Get the title\n            // Args are: (tooltipItem, data)\n            getTitle: function() {\n                var me = this;\n                var opts = me._options;\n                var callbacks = opts.callbacks;\n\n                var beforeTitle = callbacks.beforeTitle.apply(me, arguments);\n                var title = callbacks.title.apply(me, arguments);\n                var afterTitle = callbacks.afterTitle.apply(me, arguments);\n\n                var lines = [];\n                lines = pushOrConcat(lines, beforeTitle);\n                lines = pushOrConcat(lines, title);\n                lines = pushOrConcat(lines, afterTitle);\n\n                return lines;\n            },\n\n            // Args are: (tooltipItem, data)\n            getBeforeBody: function() {\n                var lines = this._options.callbacks.beforeBody.apply(this, arguments);\n                return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n            },\n\n            // Args are: (tooltipItem, data)\n            getBody: function(tooltipItems, data) {\n                var me = this;\n                var callbacks = me._options.callbacks;\n                var bodyItems = [];\n\n                helpers.each(tooltipItems, function(tooltipItem) {\n                    var bodyItem = {\n                        before: [],\n                        lines: [],\n                        after: []\n                    };\n                    pushOrConcat(bodyItem.before, callbacks.beforeLabel.call(me, tooltipItem, data));\n                    pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data));\n                    pushOrConcat(bodyItem.after, callbacks.afterLabel.call(me, tooltipItem, data));\n\n                    bodyItems.push(bodyItem);\n                });\n\n                return bodyItems;\n            },\n\n            // Args are: (tooltipItem, data)\n            getAfterBody: function() {\n                var lines = this._options.callbacks.afterBody.apply(this, arguments);\n                return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];\n            },\n\n            // Get the footer and beforeFooter and afterFooter lines\n            // Args are: (tooltipItem, data)\n            getFooter: function() {\n                var me = this;\n                var callbacks = me._options.callbacks;\n\n                var beforeFooter = callbacks.beforeFooter.apply(me, arguments);\n                var footer = callbacks.footer.apply(me, arguments);\n                var afterFooter = callbacks.afterFooter.apply(me, arguments);\n\n                var lines = [];\n                lines = pushOrConcat(lines, beforeFooter);\n                lines = pushOrConcat(lines, footer);\n                lines = pushOrConcat(lines, afterFooter);\n\n                return lines;\n            },\n\n            update: function(changed) {\n                var me = this;\n                var opts = me._options;\n\n                // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition\n                // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time\n                // which breaks any animations.\n                var existingModel = me._model;\n                var model = me._model = getBaseModel(opts);\n                var active = me._active;\n\n                var data = me._data;\n\n                // In the case where active.length === 0 we need to keep these at existing values for good animations\n                var alignment = {\n                    xAlign: existingModel.xAlign,\n                    yAlign: existingModel.yAlign\n                };\n                var backgroundPoint = {\n                    x: existingModel.x,\n                    y: existingModel.y\n                };\n                var tooltipSize = {\n                    width: existingModel.width,\n                    height: existingModel.height\n                };\n                var tooltipPosition = {\n                    x: existingModel.caretX,\n                    y: existingModel.caretY\n                };\n\n                var i, len;\n\n                if (active.length) {\n                    model.opacity = 1;\n\n                    var labelColors = [];\n                    var labelTextColors = [];\n                    tooltipPosition = Chart.Tooltip.positioners[opts.position](active, me._eventPosition);\n\n                    var tooltipItems = [];\n                    for (i = 0, len = active.length; i < len; ++i) {\n                        tooltipItems.push(createTooltipItem(active[i]));\n                    }\n\n                    // If the user provided a filter function, use it to modify the tooltip items\n                    if (opts.filter) {\n                        tooltipItems = tooltipItems.filter(function(a) {\n                            return opts.filter(a, data);\n                        });\n                    }\n\n                    // If the user provided a sorting function, use it to modify the tooltip items\n                    if (opts.itemSort) {\n                        tooltipItems = tooltipItems.sort(function(a, b) {\n                            return opts.itemSort(a, b, data);\n                        });\n                    }\n\n                    // Determine colors for boxes\n                    helpers.each(tooltipItems, function(tooltipItem) {\n                        labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart));\n                        labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart));\n                    });\n\n\n                    // Build the Text Lines\n                    model.title = me.getTitle(tooltipItems, data);\n                    model.beforeBody = me.getBeforeBody(tooltipItems, data);\n                    model.body = me.getBody(tooltipItems, data);\n                    model.afterBody = me.getAfterBody(tooltipItems, data);\n                    model.footer = me.getFooter(tooltipItems, data);\n\n                    // Initial positioning and colors\n                    model.x = Math.round(tooltipPosition.x);\n                    model.y = Math.round(tooltipPosition.y);\n                    model.caretPadding = opts.caretPadding;\n                    model.labelColors = labelColors;\n                    model.labelTextColors = labelTextColors;\n\n                    // data points\n                    model.dataPoints = tooltipItems;\n\n                    // We need to determine alignment of the tooltip\n                    tooltipSize = getTooltipSize(this, model);\n                    alignment = determineAlignment(this, tooltipSize);\n                    // Final Size and Position\n                    backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment);\n                } else {\n                    model.opacity = 0;\n                }\n\n                model.xAlign = alignment.xAlign;\n                model.yAlign = alignment.yAlign;\n                model.x = backgroundPoint.x;\n                model.y = backgroundPoint.y;\n                model.width = tooltipSize.width;\n                model.height = tooltipSize.height;\n\n                // Point where the caret on the tooltip points to\n                model.caretX = tooltipPosition.x;\n                model.caretY = tooltipPosition.y;\n\n                me._model = model;\n\n                if (changed && opts.custom) {\n                    opts.custom.call(me, model);\n                }\n\n                return me;\n            },\n            drawCaret: function(tooltipPoint, size) {\n                var ctx = this._chart.ctx;\n                var vm = this._view;\n                var caretPosition = this.getCaretPosition(tooltipPoint, size, vm);\n\n                ctx.lineTo(caretPosition.x1, caretPosition.y1);\n                ctx.lineTo(caretPosition.x2, caretPosition.y2);\n                ctx.lineTo(caretPosition.x3, caretPosition.y3);\n            },\n            getCaretPosition: function(tooltipPoint, size, vm) {\n                var x1, x2, x3, y1, y2, y3;\n                var caretSize = vm.caretSize;\n                var cornerRadius = vm.cornerRadius;\n                var xAlign = vm.xAlign;\n                var yAlign = vm.yAlign;\n                var ptX = tooltipPoint.x;\n                var ptY = tooltipPoint.y;\n                var width = size.width;\n                var height = size.height;\n\n                if (yAlign === 'center') {\n                    y2 = ptY + (height / 2);\n\n                    if (xAlign === 'left') {\n                        x1 = ptX;\n                        x2 = x1 - caretSize;\n                        x3 = x1;\n\n                        y1 = y2 + caretSize;\n                        y3 = y2 - caretSize;\n                    } else {\n                        x1 = ptX + width;\n                        x2 = x1 + caretSize;\n                        x3 = x1;\n\n                        y1 = y2 - caretSize;\n                        y3 = y2 + caretSize;\n                    }\n                } else {\n                    if (xAlign === 'left') {\n                        x2 = ptX + cornerRadius + (caretSize);\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    } else if (xAlign === 'right') {\n                        x2 = ptX + width - cornerRadius - caretSize;\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    } else {\n                        x2 = ptX + (width / 2);\n                        x1 = x2 - caretSize;\n                        x3 = x2 + caretSize;\n                    }\n                    if (yAlign === 'top') {\n                        y1 = ptY;\n                        y2 = y1 - caretSize;\n                        y3 = y1;\n                    } else {\n                        y1 = ptY + height;\n                        y2 = y1 + caretSize;\n                        y3 = y1;\n                        // invert drawing order\n                        var tmp = x3;\n                        x3 = x1;\n                        x1 = tmp;\n                    }\n                }\n                return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3};\n            },\n            drawTitle: function(pt, vm, ctx, opacity) {\n                var title = vm.title;\n\n                if (title.length) {\n                    ctx.textAlign = vm._titleAlign;\n                    ctx.textBaseline = 'top';\n\n                    var titleFontSize = vm.titleFontSize;\n                    var titleSpacing = vm.titleSpacing;\n\n                    ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity);\n                    ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily);\n\n                    var i, len;\n                    for (i = 0, len = title.length; i < len; ++i) {\n                        ctx.fillText(title[i], pt.x, pt.y);\n                        pt.y += titleFontSize + titleSpacing; // Line Height and spacing\n\n                        if (i + 1 === title.length) {\n                            pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing\n                        }\n                    }\n                }\n            },\n            drawBody: function(pt, vm, ctx, opacity) {\n                var bodyFontSize = vm.bodyFontSize;\n                var bodySpacing = vm.bodySpacing;\n                var body = vm.body;\n\n                ctx.textAlign = vm._bodyAlign;\n                ctx.textBaseline = 'top';\n                ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);\n\n                // Before Body\n                var xLinePadding = 0;\n                var fillLineOfText = function(line) {\n                    ctx.fillText(line, pt.x + xLinePadding, pt.y);\n                    pt.y += bodyFontSize + bodySpacing;\n                };\n\n                // Before body lines\n                helpers.each(vm.beforeBody, fillLineOfText);\n\n                var drawColorBoxes = vm.displayColors;\n                xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0;\n\n                // Draw body lines now\n                helpers.each(body, function(bodyItem, i) {\n                    helpers.each(bodyItem.before, fillLineOfText);\n\n                    helpers.each(bodyItem.lines, function(line) {\n                        // Draw Legend-like boxes if needed\n                        if (drawColorBoxes) {\n                            // Fill a white rect so that colours merge nicely if the opacity is < 1\n                            ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity);\n                            ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n                            // Border\n                            ctx.lineWidth = 1;\n                            ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity);\n                            ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize);\n\n                            // Inner square\n                            ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity);\n                            ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2);\n                            var textColor = mergeOpacity(vm.labelTextColors[i], opacity);\n                            ctx.fillStyle = textColor;\n                        }\n\n                        fillLineOfText(line);\n                    });\n\n                    helpers.each(bodyItem.after, fillLineOfText);\n                });\n\n                // Reset back to 0 for after body\n                xLinePadding = 0;\n\n                // After body lines\n                helpers.each(vm.afterBody, fillLineOfText);\n                pt.y -= bodySpacing; // Remove last body spacing\n            },\n            drawFooter: function(pt, vm, ctx, opacity) {\n                var footer = vm.footer;\n\n                if (footer.length) {\n                    pt.y += vm.footerMarginTop;\n\n                    ctx.textAlign = vm._footerAlign;\n                    ctx.textBaseline = 'top';\n\n                    ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity);\n                    ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);\n\n                    helpers.each(footer, function(line) {\n                        ctx.fillText(line, pt.x, pt.y);\n                        pt.y += vm.footerFontSize + vm.footerSpacing;\n                    });\n                }\n            },\n            drawBackground: function(pt, vm, ctx, tooltipSize, opacity) {\n                ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity);\n                ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity);\n                ctx.lineWidth = vm.borderWidth;\n                var xAlign = vm.xAlign;\n                var yAlign = vm.yAlign;\n                var x = pt.x;\n                var y = pt.y;\n                var width = tooltipSize.width;\n                var height = tooltipSize.height;\n                var radius = vm.cornerRadius;\n\n                ctx.beginPath();\n                ctx.moveTo(x + radius, y);\n                if (yAlign === 'top') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + width - radius, y);\n                ctx.quadraticCurveTo(x + width, y, x + width, y + radius);\n                if (yAlign === 'center' && xAlign === 'right') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + width, y + height - radius);\n                ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);\n                if (yAlign === 'bottom') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x + radius, y + height);\n                ctx.quadraticCurveTo(x, y + height, x, y + height - radius);\n                if (yAlign === 'center' && xAlign === 'left') {\n                    this.drawCaret(pt, tooltipSize);\n                }\n                ctx.lineTo(x, y + radius);\n                ctx.quadraticCurveTo(x, y, x + radius, y);\n                ctx.closePath();\n\n                ctx.fill();\n\n                if (vm.borderWidth > 0) {\n                    ctx.stroke();\n                }\n            },\n            draw: function() {\n                var ctx = this._chart.ctx;\n                var vm = this._view;\n\n                if (vm.opacity === 0) {\n                    return;\n                }\n\n                var tooltipSize = {\n                    width: vm.width,\n                    height: vm.height\n                };\n                var pt = {\n                    x: vm.x,\n                    y: vm.y\n                };\n\n                // IE11/Edge does not like very small opacities, so snap to 0\n                var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;\n\n                // Truthy/falsey value for empty tooltip\n                var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length;\n\n                if (this._options.enabled && hasTooltipContent) {\n                    // Draw Background\n                    this.drawBackground(pt, vm, ctx, tooltipSize, opacity);\n\n                    // Draw Title, Body, and Footer\n                    pt.x += vm.xPadding;\n                    pt.y += vm.yPadding;\n\n                    // Titles\n                    this.drawTitle(pt, vm, ctx, opacity);\n\n                    // Body\n                    this.drawBody(pt, vm, ctx, opacity);\n\n                    // Footer\n                    this.drawFooter(pt, vm, ctx, opacity);\n                }\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event - The event to handle\n             * @returns {Boolean} true if the tooltip changed\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var options = me._options;\n                var changed = false;\n\n                me._lastActive = me._lastActive || [];\n\n                // Find Active Elements for tooltips\n                if (e.type === 'mouseout') {\n                    me._active = [];\n                } else {\n                    me._active = me._chart.getElementsAtEventForMode(e, options.mode, options);\n                }\n\n                // Remember Last Actives\n                changed = !helpers.arrayEquals(me._active, me._lastActive);\n\n                // If tooltip didn't change, do not handle the target event\n                if (!changed) {\n                    return false;\n                }\n\n                me._lastActive = me._active;\n\n                if (options.enabled || options.custom) {\n                    me._eventPosition = {\n                        x: e.x,\n                        y: e.y\n                    };\n\n                    var model = me._model;\n                    me.update(true);\n                    me.pivot();\n\n                    // See if our tooltip position changed\n                    changed |= (model.x !== me._model.x) || (model.y !== me._model.y);\n                }\n\n                return changed;\n            }\n        });\n\n        /**\n         * @namespace Chart.Tooltip.positioners\n         */\n        Chart.Tooltip.positioners = {\n            /**\n             * Average mode places the tooltip at the average position of the elements shown\n             * @function Chart.Tooltip.positioners.average\n             * @param elements {ChartElement[]} the elements being displayed in the tooltip\n             * @returns {Point} tooltip position\n             */\n            average: function(elements) {\n                if (!elements.length) {\n                    return false;\n                }\n\n                var i, len;\n                var x = 0;\n                var y = 0;\n                var count = 0;\n\n                for (i = 0, len = elements.length; i < len; ++i) {\n                    var el = elements[i];\n                    if (el && el.hasValue()) {\n                        var pos = el.tooltipPosition();\n                        x += pos.x;\n                        y += pos.y;\n                        ++count;\n                    }\n                }\n\n                return {\n                    x: Math.round(x / count),\n                    y: Math.round(y / count)\n                };\n            },\n\n            /**\n             * Gets the tooltip position nearest of the item nearest to the event position\n             * @function Chart.Tooltip.positioners.nearest\n             * @param elements {Chart.Element[]} the tooltip elements\n             * @param eventPosition {Point} the position of the event in canvas coordinates\n             * @returns {Point} the tooltip position\n             */\n            nearest: function(elements, eventPosition) {\n                var x = eventPosition.x;\n                var y = eventPosition.y;\n                var minDistance = Number.POSITIVE_INFINITY;\n                var i, len, nearestElement;\n\n                for (i = 0, len = elements.length; i < len; ++i) {\n                    var el = elements[i];\n                    if (el && el.hasValue()) {\n                        var center = el.getCenterPoint();\n                        var d = helpers.distanceBetweenPoints(eventPosition, center);\n\n                        if (d < minDistance) {\n                            minDistance = d;\n                            nearestElement = el;\n                        }\n                    }\n                }\n\n                if (nearestElement) {\n                    var tp = nearestElement.tooltipPosition();\n                    x = tp.x;\n                    y = tp.y;\n                }\n\n                return {\n                    x: x,\n                    y: y\n                };\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],36:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        elements: {\n            arc: {\n                backgroundColor: defaults.global.defaultColor,\n                borderColor: '#fff',\n                borderWidth: 2\n            }\n        }\n    });\n\n    module.exports = Element.extend({\n        inLabelRange: function(mouseX) {\n            var vm = this._view;\n\n            if (vm) {\n                return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));\n            }\n            return false;\n        },\n\n        inRange: function(chartX, chartY) {\n            var vm = this._view;\n\n            if (vm) {\n                var pointRelativePosition = helpers.getAngleFromPoint(vm, {x: chartX, y: chartY});\n                var\tangle = pointRelativePosition.angle;\n                var distance = pointRelativePosition.distance;\n\n                // Sanitise angle range\n                var startAngle = vm.startAngle;\n                var endAngle = vm.endAngle;\n                while (endAngle < startAngle) {\n                    endAngle += 2.0 * Math.PI;\n                }\n                while (angle > endAngle) {\n                    angle -= 2.0 * Math.PI;\n                }\n                while (angle < startAngle) {\n                    angle += 2.0 * Math.PI;\n                }\n\n                // Check if within the range of the open/close angle\n                var betweenAngles = (angle >= startAngle && angle <= endAngle);\n                var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);\n\n                return (betweenAngles && withinRadius);\n            }\n            return false;\n        },\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            var halfAngle = (vm.startAngle + vm.endAngle) / 2;\n            var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;\n            return {\n                x: vm.x + Math.cos(halfAngle) * halfRadius,\n                y: vm.y + Math.sin(halfAngle) * halfRadius\n            };\n        },\n\n        getArea: function() {\n            var vm = this._view;\n            return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);\n            var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;\n\n            return {\n                x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),\n                y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)\n            };\n        },\n\n        draw: function() {\n            var ctx = this._chart.ctx;\n            var vm = this._view;\n            var sA = vm.startAngle;\n            var eA = vm.endAngle;\n\n            ctx.beginPath();\n\n            ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA);\n            ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true);\n\n            ctx.closePath();\n            ctx.strokeStyle = vm.borderColor;\n            ctx.lineWidth = vm.borderWidth;\n\n            ctx.fillStyle = vm.backgroundColor;\n\n            ctx.fill();\n            ctx.lineJoin = 'bevel';\n\n            if (vm.borderWidth) {\n                ctx.stroke();\n            }\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],37:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    var globalDefaults = defaults.global;\n\n    defaults._set('global', {\n        elements: {\n            line: {\n                tension: 0.4,\n                backgroundColor: globalDefaults.defaultColor,\n                borderWidth: 3,\n                borderColor: globalDefaults.defaultColor,\n                borderCapStyle: 'butt',\n                borderDash: [],\n                borderDashOffset: 0.0,\n                borderJoinStyle: 'miter',\n                capBezierPoints: true,\n                fill: true, // do we fill in the area between the line and its base axis\n            }\n        }\n    });\n\n    module.exports = Element.extend({\n        draw: function() {\n            var me = this;\n            var vm = me._view;\n            var ctx = me._chart.ctx;\n            var spanGaps = vm.spanGaps;\n            var points = me._children.slice(); // clone array\n            var globalOptionLineElements = globalDefaults.elements.line;\n            var lastDrawnIndex = -1;\n            var index, current, previous, currentVM;\n\n            // If we are looping, adding the first point again\n            if (me._loop && points.length) {\n                points.push(points[0]);\n            }\n\n            ctx.save();\n\n            // Stroke Line Options\n            ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;\n\n            // IE 9 and 10 do not support line dash\n            if (ctx.setLineDash) {\n                ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);\n            }\n\n            ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset;\n            ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;\n            ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth;\n            ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;\n\n            // Stroke Line\n            ctx.beginPath();\n            lastDrawnIndex = -1;\n\n            for (index = 0; index < points.length; ++index) {\n                current = points[index];\n                previous = helpers.previousItem(points, index);\n                currentVM = current._view;\n\n                // First point moves to it's starting position no matter what\n                if (index === 0) {\n                    if (!currentVM.skip) {\n                        ctx.moveTo(currentVM.x, currentVM.y);\n                        lastDrawnIndex = index;\n                    }\n                } else {\n                    previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex];\n\n                    if (!currentVM.skip) {\n                        if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {\n                            // There was a gap and this is the first point after the gap\n                            ctx.moveTo(currentVM.x, currentVM.y);\n                        } else {\n                            // Line to next point\n                            helpers.canvas.lineTo(ctx, previous._view, current._view);\n                        }\n                        lastDrawnIndex = index;\n                    }\n                }\n            }\n\n            ctx.stroke();\n            ctx.restore();\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],38:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    var defaultColor = defaults.global.defaultColor;\n\n    defaults._set('global', {\n        elements: {\n            point: {\n                radius: 3,\n                pointStyle: 'circle',\n                backgroundColor: defaultColor,\n                borderColor: defaultColor,\n                borderWidth: 1,\n                // Hover\n                hitRadius: 1,\n                hoverRadius: 4,\n                hoverBorderWidth: 1\n            }\n        }\n    });\n\n    function xRange(mouseX) {\n        var vm = this._view;\n        return vm ? (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n    }\n\n    function yRange(mouseY) {\n        var vm = this._view;\n        return vm ? (Math.pow(mouseY - vm.y, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false;\n    }\n\n    module.exports = Element.extend({\n        inRange: function(mouseX, mouseY) {\n            var vm = this._view;\n            return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;\n        },\n\n        inLabelRange: xRange,\n        inXRange: xRange,\n        inYRange: yRange,\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y\n            };\n        },\n\n        getArea: function() {\n            return Math.PI * Math.pow(this._view.radius, 2);\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y,\n                padding: vm.radius + vm.borderWidth\n            };\n        },\n\n        draw: function(chartArea) {\n            var vm = this._view;\n            var model = this._model;\n            var ctx = this._chart.ctx;\n            var pointStyle = vm.pointStyle;\n            var radius = vm.radius;\n            var x = vm.x;\n            var y = vm.y;\n            var color = helpers.color;\n            var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.)\n            var ratio = 0;\n\n            if (vm.skip) {\n                return;\n            }\n\n            ctx.strokeStyle = vm.borderColor || defaultColor;\n            ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth);\n            ctx.fillStyle = vm.backgroundColor || defaultColor;\n\n            // Cliping for Points.\n            // going out from inner charArea?\n            if ((chartArea !== undefined) && ((model.x < chartArea.left) || (chartArea.right * errMargin < model.x) || (model.y < chartArea.top) || (chartArea.bottom * errMargin < model.y))) {\n                // Point fade out\n                if (model.x < chartArea.left) {\n                    ratio = (x - model.x) / (chartArea.left - model.x);\n                } else if (chartArea.right * errMargin < model.x) {\n                    ratio = (model.x - x) / (model.x - chartArea.right);\n                } else if (model.y < chartArea.top) {\n                    ratio = (y - model.y) / (chartArea.top - model.y);\n                } else if (chartArea.bottom * errMargin < model.y) {\n                    ratio = (model.y - y) / (model.y - chartArea.bottom);\n                }\n                ratio = Math.round(ratio * 100) / 100;\n                ctx.strokeStyle = color(ctx.strokeStyle).alpha(ratio).rgbString();\n                ctx.fillStyle = color(ctx.fillStyle).alpha(ratio).rgbString();\n            }\n\n            helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y);\n        }\n    });\n\n},{\"25\":25,\"26\":26,\"45\":45}],39:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n\n    defaults._set('global', {\n        elements: {\n            rectangle: {\n                backgroundColor: defaults.global.defaultColor,\n                borderColor: defaults.global.defaultColor,\n                borderSkipped: 'bottom',\n                borderWidth: 0\n            }\n        }\n    });\n\n    function isVertical(bar) {\n        return bar._view.width !== undefined;\n    }\n\n    /**\n     * Helper function to get the bounds of the bar regardless of the orientation\n     * @param bar {Chart.Element.Rectangle} the bar\n     * @return {Bounds} bounds of the bar\n     * @private\n     */\n    function getBarBounds(bar) {\n        var vm = bar._view;\n        var x1, x2, y1, y2;\n\n        if (isVertical(bar)) {\n            // vertical\n            var halfWidth = vm.width / 2;\n            x1 = vm.x - halfWidth;\n            x2 = vm.x + halfWidth;\n            y1 = Math.min(vm.y, vm.base);\n            y2 = Math.max(vm.y, vm.base);\n        } else {\n            // horizontal bar\n            var halfHeight = vm.height / 2;\n            x1 = Math.min(vm.x, vm.base);\n            x2 = Math.max(vm.x, vm.base);\n            y1 = vm.y - halfHeight;\n            y2 = vm.y + halfHeight;\n        }\n\n        return {\n            left: x1,\n            top: y1,\n            right: x2,\n            bottom: y2\n        };\n    }\n\n    module.exports = Element.extend({\n        draw: function() {\n            var ctx = this._chart.ctx;\n            var vm = this._view;\n            var left, right, top, bottom, signX, signY, borderSkipped;\n            var borderWidth = vm.borderWidth;\n\n            if (!vm.horizontal) {\n                // bar\n                left = vm.x - vm.width / 2;\n                right = vm.x + vm.width / 2;\n                top = vm.y;\n                bottom = vm.base;\n                signX = 1;\n                signY = bottom > top ? 1 : -1;\n                borderSkipped = vm.borderSkipped || 'bottom';\n            } else {\n                // horizontal bar\n                left = vm.base;\n                right = vm.x;\n                top = vm.y - vm.height / 2;\n                bottom = vm.y + vm.height / 2;\n                signX = right > left ? 1 : -1;\n                signY = 1;\n                borderSkipped = vm.borderSkipped || 'left';\n            }\n\n            // Canvas doesn't allow us to stroke inside the width so we can\n            // adjust the sizes to fit if we're setting a stroke on the line\n            if (borderWidth) {\n                // borderWidth shold be less than bar width and bar height.\n                var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom));\n                borderWidth = borderWidth > barSize ? barSize : borderWidth;\n                var halfStroke = borderWidth / 2;\n                // Adjust borderWidth when bar top position is near vm.base(zero).\n                var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0);\n                var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0);\n                var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0);\n                var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0);\n                // not become a vertical line?\n                if (borderLeft !== borderRight) {\n                    top = borderTop;\n                    bottom = borderBottom;\n                }\n                // not become a horizontal line?\n                if (borderTop !== borderBottom) {\n                    left = borderLeft;\n                    right = borderRight;\n                }\n            }\n\n            ctx.beginPath();\n            ctx.fillStyle = vm.backgroundColor;\n            ctx.strokeStyle = vm.borderColor;\n            ctx.lineWidth = borderWidth;\n\n            // Corner points, from bottom-left to bottom-right clockwise\n            // | 1 2 |\n            // | 0 3 |\n            var corners = [\n                [left, bottom],\n                [left, top],\n                [right, top],\n                [right, bottom]\n            ];\n\n            // Find first (starting) corner with fallback to 'bottom'\n            var borders = ['bottom', 'left', 'top', 'right'];\n            var startCorner = borders.indexOf(borderSkipped, 0);\n            if (startCorner === -1) {\n                startCorner = 0;\n            }\n\n            function cornerAt(index) {\n                return corners[(startCorner + index) % 4];\n            }\n\n            // Draw rectangle from 'startCorner'\n            var corner = cornerAt(0);\n            ctx.moveTo(corner[0], corner[1]);\n\n            for (var i = 1; i < 4; i++) {\n                corner = cornerAt(i);\n                ctx.lineTo(corner[0], corner[1]);\n            }\n\n            ctx.fill();\n            if (borderWidth) {\n                ctx.stroke();\n            }\n        },\n\n        height: function() {\n            var vm = this._view;\n            return vm.base - vm.y;\n        },\n\n        inRange: function(mouseX, mouseY) {\n            var inRange = false;\n\n            if (this._view) {\n                var bounds = getBarBounds(this);\n                inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom;\n            }\n\n            return inRange;\n        },\n\n        inLabelRange: function(mouseX, mouseY) {\n            var me = this;\n            if (!me._view) {\n                return false;\n            }\n\n            var inRange = false;\n            var bounds = getBarBounds(me);\n\n            if (isVertical(me)) {\n                inRange = mouseX >= bounds.left && mouseX <= bounds.right;\n            } else {\n                inRange = mouseY >= bounds.top && mouseY <= bounds.bottom;\n            }\n\n            return inRange;\n        },\n\n        inXRange: function(mouseX) {\n            var bounds = getBarBounds(this);\n            return mouseX >= bounds.left && mouseX <= bounds.right;\n        },\n\n        inYRange: function(mouseY) {\n            var bounds = getBarBounds(this);\n            return mouseY >= bounds.top && mouseY <= bounds.bottom;\n        },\n\n        getCenterPoint: function() {\n            var vm = this._view;\n            var x, y;\n            if (isVertical(this)) {\n                x = vm.x;\n                y = (vm.y + vm.base) / 2;\n            } else {\n                x = (vm.x + vm.base) / 2;\n                y = vm.y;\n            }\n\n            return {x: x, y: y};\n        },\n\n        getArea: function() {\n            var vm = this._view;\n            return vm.width * Math.abs(vm.y - vm.base);\n        },\n\n        tooltipPosition: function() {\n            var vm = this._view;\n            return {\n                x: vm.x,\n                y: vm.y\n            };\n        }\n    });\n\n},{\"25\":25,\"26\":26}],40:[function(require,module,exports){\n    'use strict';\n\n    module.exports = {};\n    module.exports.Arc = require(36);\n    module.exports.Line = require(37);\n    module.exports.Point = require(38);\n    module.exports.Rectangle = require(39);\n\n},{\"36\":36,\"37\":37,\"38\":38,\"39\":39}],41:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * @namespace Chart.helpers.canvas\n     */\n    var exports = module.exports = {\n        /**\n         * Clears the entire canvas associated to the given `chart`.\n         * @param {Chart} chart - The chart for which to clear the canvas.\n         */\n        clear: function(chart) {\n            chart.ctx.clearRect(0, 0, chart.width, chart.height);\n        },\n\n        /**\n         * Creates a \"path\" for a rectangle with rounded corners at position (x, y) with a\n         * given size (width, height) and the same `radius` for all corners.\n         * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.\n         * @param {Number} x - The x axis of the coordinate for the rectangle starting point.\n         * @param {Number} y - The y axis of the coordinate for the rectangle starting point.\n         * @param {Number} width - The rectangle's width.\n         * @param {Number} height - The rectangle's height.\n         * @param {Number} radius - The rounded amount (in pixels) for the four corners.\n         * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?\n         */\n        roundedRect: function(ctx, x, y, width, height, radius) {\n            if (radius) {\n                var rx = Math.min(radius, width / 2);\n                var ry = Math.min(radius, height / 2);\n\n                ctx.moveTo(x + rx, y);\n                ctx.lineTo(x + width - rx, y);\n                ctx.quadraticCurveTo(x + width, y, x + width, y + ry);\n                ctx.lineTo(x + width, y + height - ry);\n                ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height);\n                ctx.lineTo(x + rx, y + height);\n                ctx.quadraticCurveTo(x, y + height, x, y + height - ry);\n                ctx.lineTo(x, y + ry);\n                ctx.quadraticCurveTo(x, y, x + rx, y);\n            } else {\n                ctx.rect(x, y, width, height);\n            }\n        },\n\n        drawPoint: function(ctx, style, radius, x, y) {\n            var type, edgeLength, xOffset, yOffset, height, size;\n\n            if (typeof style === 'object') {\n                type = style.toString();\n                if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {\n                    ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height);\n                    return;\n                }\n            }\n\n            if (isNaN(radius) || radius <= 0) {\n                return;\n            }\n\n            switch (style) {\n                // Default includes circle\n                default:\n                    ctx.beginPath();\n                    ctx.arc(x, y, radius, 0, Math.PI * 2);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'triangle':\n                    ctx.beginPath();\n                    edgeLength = 3 * radius / Math.sqrt(3);\n                    height = edgeLength * Math.sqrt(3) / 2;\n                    ctx.moveTo(x - edgeLength / 2, y + height / 3);\n                    ctx.lineTo(x + edgeLength / 2, y + height / 3);\n                    ctx.lineTo(x, y - 2 * height / 3);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'rect':\n                    size = 1 / Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    ctx.fillRect(x - size, y - size, 2 * size, 2 * size);\n                    ctx.strokeRect(x - size, y - size, 2 * size, 2 * size);\n                    break;\n                case 'rectRounded':\n                    var offset = radius / Math.SQRT2;\n                    var leftX = x - offset;\n                    var topY = y - offset;\n                    var sideSize = Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius / 2);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'rectRot':\n                    size = 1 / Math.SQRT2 * radius;\n                    ctx.beginPath();\n                    ctx.moveTo(x - size, y);\n                    ctx.lineTo(x, y + size);\n                    ctx.lineTo(x + size, y);\n                    ctx.lineTo(x, y - size);\n                    ctx.closePath();\n                    ctx.fill();\n                    break;\n                case 'cross':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y + radius);\n                    ctx.lineTo(x, y - radius);\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n                case 'crossRot':\n                    ctx.beginPath();\n                    xOffset = Math.cos(Math.PI / 4) * radius;\n                    yOffset = Math.sin(Math.PI / 4) * radius;\n                    ctx.moveTo(x - xOffset, y - yOffset);\n                    ctx.lineTo(x + xOffset, y + yOffset);\n                    ctx.moveTo(x - xOffset, y + yOffset);\n                    ctx.lineTo(x + xOffset, y - yOffset);\n                    ctx.closePath();\n                    break;\n                case 'star':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y + radius);\n                    ctx.lineTo(x, y - radius);\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    xOffset = Math.cos(Math.PI / 4) * radius;\n                    yOffset = Math.sin(Math.PI / 4) * radius;\n                    ctx.moveTo(x - xOffset, y - yOffset);\n                    ctx.lineTo(x + xOffset, y + yOffset);\n                    ctx.moveTo(x - xOffset, y + yOffset);\n                    ctx.lineTo(x + xOffset, y - yOffset);\n                    ctx.closePath();\n                    break;\n                case 'line':\n                    ctx.beginPath();\n                    ctx.moveTo(x - radius, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n                case 'dash':\n                    ctx.beginPath();\n                    ctx.moveTo(x, y);\n                    ctx.lineTo(x + radius, y);\n                    ctx.closePath();\n                    break;\n            }\n\n            ctx.stroke();\n        },\n\n        clipArea: function(ctx, area) {\n            ctx.save();\n            ctx.beginPath();\n            ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);\n            ctx.clip();\n        },\n\n        unclipArea: function(ctx) {\n            ctx.restore();\n        },\n\n        lineTo: function(ctx, previous, target, flip) {\n            if (target.steppedLine) {\n                if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) {\n                    ctx.lineTo(previous.x, target.y);\n                } else {\n                    ctx.lineTo(target.x, previous.y);\n                }\n                ctx.lineTo(target.x, target.y);\n                return;\n            }\n\n            if (!target.tension) {\n                ctx.lineTo(target.x, target.y);\n                return;\n            }\n\n            ctx.bezierCurveTo(\n                flip ? previous.controlPointPreviousX : previous.controlPointNextX,\n                flip ? previous.controlPointPreviousY : previous.controlPointNextY,\n                flip ? target.controlPointNextX : target.controlPointPreviousX,\n                flip ? target.controlPointNextY : target.controlPointPreviousY,\n                target.x,\n                target.y);\n        }\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.\n     * @namespace Chart.helpers.clear\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.clear = exports.clear;\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.\n     * @namespace Chart.helpers.drawRoundedRectangle\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.drawRoundedRectangle = function(ctx) {\n        ctx.beginPath();\n        exports.roundedRect.apply(exports, arguments);\n        ctx.closePath();\n    };\n\n},{\"42\":42}],42:[function(require,module,exports){\n    'use strict';\n\n    /**\n     * @namespace Chart.helpers\n     */\n    var helpers = {\n        /**\n         * An empty function that can be used, for example, for optional callback.\n         */\n        noop: function() {},\n\n        /**\n         * Returns a unique id, sequentially generated from a global variable.\n         * @returns {Number}\n         * @function\n         */\n        uid: (function() {\n            var id = 0;\n            return function() {\n                return id++;\n            };\n        }()),\n\n        /**\n         * Returns true if `value` is neither null nor undefined, else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @since 2.7.0\n         */\n        isNullOrUndef: function(value) {\n            return value === null || typeof value === 'undefined';\n        },\n\n        /**\n         * Returns true if `value` is an array, else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @function\n         */\n        isArray: Array.isArray ? Array.isArray : function(value) {\n            return Object.prototype.toString.call(value) === '[object Array]';\n        },\n\n        /**\n         * Returns true if `value` is an object (excluding null), else returns false.\n         * @param {*} value - The value to test.\n         * @returns {Boolean}\n         * @since 2.7.0\n         */\n        isObject: function(value) {\n            return value !== null && Object.prototype.toString.call(value) === '[object Object]';\n        },\n\n        /**\n         * Returns `value` if defined, else returns `defaultValue`.\n         * @param {*} value - The value to return if defined.\n         * @param {*} defaultValue - The value to return if `value` is undefined.\n         * @returns {*}\n         */\n        valueOrDefault: function(value, defaultValue) {\n            return typeof value === 'undefined' ? defaultValue : value;\n        },\n\n        /**\n         * Returns value at the given `index` in array if defined, else returns `defaultValue`.\n         * @param {Array} value - The array to lookup for value at `index`.\n         * @param {Number} index - The index in `value` to lookup for value.\n         * @param {*} defaultValue - The value to return if `value[index]` is undefined.\n         * @returns {*}\n         */\n        valueAtIndexOrDefault: function(value, index, defaultValue) {\n            return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);\n        },\n\n        /**\n         * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the\n         * value returned by `fn`. If `fn` is not a function, this method returns undefined.\n         * @param {Function} fn - The function to call.\n         * @param {Array|undefined|null} args - The arguments with which `fn` should be called.\n         * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n         * @returns {*}\n         */\n        callback: function(fn, args, thisArg) {\n            if (fn && typeof fn.call === 'function') {\n                return fn.apply(thisArg, args);\n            }\n        },\n\n        /**\n         * Note(SB) for performance sake, this method should only be used when loopable type\n         * is unknown or in none intensive code (not called often and small loopable). Else\n         * it's preferable to use a regular for() loop and save extra function calls.\n         * @param {Object|Array} loopable - The object or array to be iterated.\n         * @param {Function} fn - The function to call for each item.\n         * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.\n         * @param {Boolean} [reverse] - If true, iterates backward on the loopable.\n         */\n        each: function(loopable, fn, thisArg, reverse) {\n            var i, len, keys;\n            if (helpers.isArray(loopable)) {\n                len = loopable.length;\n                if (reverse) {\n                    for (i = len - 1; i >= 0; i--) {\n                        fn.call(thisArg, loopable[i], i);\n                    }\n                } else {\n                    for (i = 0; i < len; i++) {\n                        fn.call(thisArg, loopable[i], i);\n                    }\n                }\n            } else if (helpers.isObject(loopable)) {\n                keys = Object.keys(loopable);\n                len = keys.length;\n                for (i = 0; i < len; i++) {\n                    fn.call(thisArg, loopable[keys[i]], keys[i]);\n                }\n            }\n        },\n\n        /**\n         * Returns true if the `a0` and `a1` arrays have the same content, else returns false.\n         * @see http://stackoverflow.com/a/14853974\n         * @param {Array} a0 - The array to compare\n         * @param {Array} a1 - The array to compare\n         * @returns {Boolean}\n         */\n        arrayEquals: function(a0, a1) {\n            var i, ilen, v0, v1;\n\n            if (!a0 || !a1 || a0.length !== a1.length) {\n                return false;\n            }\n\n            for (i = 0, ilen = a0.length; i < ilen; ++i) {\n                v0 = a0[i];\n                v1 = a1[i];\n\n                if (v0 instanceof Array && v1 instanceof Array) {\n                    if (!helpers.arrayEquals(v0, v1)) {\n                        return false;\n                    }\n                } else if (v0 !== v1) {\n                    // NOTE: two different object instances will never be equal: {x:20} != {x:20}\n                    return false;\n                }\n            }\n\n            return true;\n        },\n\n        /**\n         * Returns a deep copy of `source` without keeping references on objects and arrays.\n         * @param {*} source - The value to clone.\n         * @returns {*}\n         */\n        clone: function(source) {\n            if (helpers.isArray(source)) {\n                return source.map(helpers.clone);\n            }\n\n            if (helpers.isObject(source)) {\n                var target = {};\n                var keys = Object.keys(source);\n                var klen = keys.length;\n                var k = 0;\n\n                for (; k < klen; ++k) {\n                    target[keys[k]] = helpers.clone(source[keys[k]]);\n                }\n\n                return target;\n            }\n\n            return source;\n        },\n\n        /**\n         * The default merger when Chart.helpers.merge is called without merger option.\n         * Note(SB): this method is also used by configMerge and scaleMerge as fallback.\n         * @private\n         */\n        _merger: function(key, target, source, options) {\n            var tval = target[key];\n            var sval = source[key];\n\n            if (helpers.isObject(tval) && helpers.isObject(sval)) {\n                helpers.merge(tval, sval, options);\n            } else {\n                target[key] = helpers.clone(sval);\n            }\n        },\n\n        /**\n         * Merges source[key] in target[key] only if target[key] is undefined.\n         * @private\n         */\n        _mergerIf: function(key, target, source) {\n            var tval = target[key];\n            var sval = source[key];\n\n            if (helpers.isObject(tval) && helpers.isObject(sval)) {\n                helpers.mergeIf(tval, sval);\n            } else if (!target.hasOwnProperty(key)) {\n                target[key] = helpers.clone(sval);\n            }\n        },\n\n        /**\n         * Recursively deep copies `source` properties into `target` with the given `options`.\n         * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n         * @param {Object} target - The target object in which all sources are merged into.\n         * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n         * @param {Object} [options] - Merging options:\n         * @param {Function} [options.merger] - The merge method (key, target, source, options)\n         * @returns {Object} The `target` object.\n         */\n        merge: function(target, source, options) {\n            var sources = helpers.isArray(source) ? source : [source];\n            var ilen = sources.length;\n            var merge, i, keys, klen, k;\n\n            if (!helpers.isObject(target)) {\n                return target;\n            }\n\n            options = options || {};\n            merge = options.merger || helpers._merger;\n\n            for (i = 0; i < ilen; ++i) {\n                source = sources[i];\n                if (!helpers.isObject(source)) {\n                    continue;\n                }\n\n                keys = Object.keys(source);\n                for (k = 0, klen = keys.length; k < klen; ++k) {\n                    merge(keys[k], target, source, options);\n                }\n            }\n\n            return target;\n        },\n\n        /**\n         * Recursively deep copies `source` properties into `target` *only* if not defined in target.\n         * IMPORTANT: `target` is not cloned and will be updated with `source` properties.\n         * @param {Object} target - The target object in which all sources are merged into.\n         * @param {Object|Array(Object)} source - Object(s) to merge into `target`.\n         * @returns {Object} The `target` object.\n         */\n        mergeIf: function(target, source) {\n            return helpers.merge(target, source, {merger: helpers._mergerIf});\n        }\n    };\n\n    module.exports = helpers;\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.callback instead.\n     * @function Chart.helpers.callCallback\n     * @deprecated since version 2.6.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.callCallback = helpers.callback;\n\n    /**\n     * Provided for backward compatibility, use Array.prototype.indexOf instead.\n     * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+\n     * @function Chart.helpers.indexOf\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.indexOf = function(array, item, fromIndex) {\n        return Array.prototype.indexOf.call(array, item, fromIndex);\n    };\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.\n     * @function Chart.helpers.getValueOrDefault\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.getValueOrDefault = helpers.valueOrDefault;\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.\n     * @function Chart.helpers.getValueAtIndexOrDefault\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;\n\n},{}],43:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * Easing functions adapted from Robert Penner's easing equations.\n     * @namespace Chart.helpers.easingEffects\n     * @see http://www.robertpenner.com/easing/\n     */\n    var effects = {\n        linear: function(t) {\n            return t;\n        },\n\n        easeInQuad: function(t) {\n            return t * t;\n        },\n\n        easeOutQuad: function(t) {\n            return -t * (t - 2);\n        },\n\n        easeInOutQuad: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t;\n            }\n            return -0.5 * ((--t) * (t - 2) - 1);\n        },\n\n        easeInCubic: function(t) {\n            return t * t * t;\n        },\n\n        easeOutCubic: function(t) {\n            return (t = t - 1) * t * t + 1;\n        },\n\n        easeInOutCubic: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t;\n            }\n            return 0.5 * ((t -= 2) * t * t + 2);\n        },\n\n        easeInQuart: function(t) {\n            return t * t * t * t;\n        },\n\n        easeOutQuart: function(t) {\n            return -((t = t - 1) * t * t * t - 1);\n        },\n\n        easeInOutQuart: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t * t;\n            }\n            return -0.5 * ((t -= 2) * t * t * t - 2);\n        },\n\n        easeInQuint: function(t) {\n            return t * t * t * t * t;\n        },\n\n        easeOutQuint: function(t) {\n            return (t = t - 1) * t * t * t * t + 1;\n        },\n\n        easeInOutQuint: function(t) {\n            if ((t /= 0.5) < 1) {\n                return 0.5 * t * t * t * t * t;\n            }\n            return 0.5 * ((t -= 2) * t * t * t * t + 2);\n        },\n\n        easeInSine: function(t) {\n            return -Math.cos(t * (Math.PI / 2)) + 1;\n        },\n\n        easeOutSine: function(t) {\n            return Math.sin(t * (Math.PI / 2));\n        },\n\n        easeInOutSine: function(t) {\n            return -0.5 * (Math.cos(Math.PI * t) - 1);\n        },\n\n        easeInExpo: function(t) {\n            return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));\n        },\n\n        easeOutExpo: function(t) {\n            return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;\n        },\n\n        easeInOutExpo: function(t) {\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if ((t /= 0.5) < 1) {\n                return 0.5 * Math.pow(2, 10 * (t - 1));\n            }\n            return 0.5 * (-Math.pow(2, -10 * --t) + 2);\n        },\n\n        easeInCirc: function(t) {\n            if (t >= 1) {\n                return t;\n            }\n            return -(Math.sqrt(1 - t * t) - 1);\n        },\n\n        easeOutCirc: function(t) {\n            return Math.sqrt(1 - (t = t - 1) * t);\n        },\n\n        easeInOutCirc: function(t) {\n            if ((t /= 0.5) < 1) {\n                return -0.5 * (Math.sqrt(1 - t * t) - 1);\n            }\n            return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);\n        },\n\n        easeInElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.3;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n        },\n\n        easeOutElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if (t === 1) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.3;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;\n        },\n\n        easeInOutElastic: function(t) {\n            var s = 1.70158;\n            var p = 0;\n            var a = 1;\n            if (t === 0) {\n                return 0;\n            }\n            if ((t /= 0.5) === 2) {\n                return 1;\n            }\n            if (!p) {\n                p = 0.45;\n            }\n            if (a < 1) {\n                a = 1;\n                s = p / 4;\n            } else {\n                s = p / (2 * Math.PI) * Math.asin(1 / a);\n            }\n            if (t < 1) {\n                return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));\n            }\n            return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;\n        },\n        easeInBack: function(t) {\n            var s = 1.70158;\n            return t * t * ((s + 1) * t - s);\n        },\n\n        easeOutBack: function(t) {\n            var s = 1.70158;\n            return (t = t - 1) * t * ((s + 1) * t + s) + 1;\n        },\n\n        easeInOutBack: function(t) {\n            var s = 1.70158;\n            if ((t /= 0.5) < 1) {\n                return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));\n            }\n            return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);\n        },\n\n        easeInBounce: function(t) {\n            return 1 - effects.easeOutBounce(1 - t);\n        },\n\n        easeOutBounce: function(t) {\n            if (t < (1 / 2.75)) {\n                return 7.5625 * t * t;\n            }\n            if (t < (2 / 2.75)) {\n                return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;\n            }\n            if (t < (2.5 / 2.75)) {\n                return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;\n            }\n            return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;\n        },\n\n        easeInOutBounce: function(t) {\n            if (t < 0.5) {\n                return effects.easeInBounce(t * 2) * 0.5;\n            }\n            return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;\n        }\n    };\n\n    module.exports = {\n        effects: effects\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use Chart.helpers.easing.effects instead.\n     * @function Chart.helpers.easingEffects\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.easingEffects = effects;\n\n},{\"42\":42}],44:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(42);\n\n    /**\n     * @alias Chart.helpers.options\n     * @namespace\n     */\n    module.exports = {\n        /**\n         * Converts the given line height `value` in pixels for a specific font `size`.\n         * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').\n         * @param {Number} size - The font size (in pixels) used to resolve relative `value`.\n         * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid).\n         * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height\n         * @since 2.7.0\n         */\n        toLineHeight: function(value, size) {\n            var matches = ('' + value).match(/^(normal|(\\d+(?:\\.\\d+)?)(px|em|%)?)$/);\n            if (!matches || matches[1] === 'normal') {\n                return size * 1.2;\n            }\n\n            value = +matches[2];\n\n            switch (matches[3]) {\n                case 'px':\n                    return value;\n                case '%':\n                    value /= 100;\n                    break;\n                default:\n                    break;\n            }\n\n            return size * value;\n        },\n\n        /**\n         * Converts the given value into a padding object with pre-computed width/height.\n         * @param {Number|Object} value - If a number, set the value to all TRBL component,\n         *  else, if and object, use defined properties and sets undefined ones to 0.\n         * @returns {Object} The padding values (top, right, bottom, left, width, height)\n         * @since 2.7.0\n         */\n        toPadding: function(value) {\n            var t, r, b, l;\n\n            if (helpers.isObject(value)) {\n                t = +value.top || 0;\n                r = +value.right || 0;\n                b = +value.bottom || 0;\n                l = +value.left || 0;\n            } else {\n                t = r = b = l = +value || 0;\n            }\n\n            return {\n                top: t,\n                right: r,\n                bottom: b,\n                left: l,\n                height: t + b,\n                width: l + r\n            };\n        },\n\n        /**\n         * Evaluates the given `inputs` sequentially and returns the first defined value.\n         * @param {Array[]} inputs - An array of values, falling back to the last value.\n         * @param {Object} [context] - If defined and the current value is a function, the value\n         * is called with `context` as first argument and the result becomes the new input.\n         * @param {Number} [index] - If defined and the current value is an array, the value\n         * at `index` become the new input.\n         * @since 2.7.0\n         */\n        resolve: function(inputs, context, index) {\n            var i, ilen, value;\n\n            for (i = 0, ilen = inputs.length; i < ilen; ++i) {\n                value = inputs[i];\n                if (value === undefined) {\n                    continue;\n                }\n                if (context !== undefined && typeof value === 'function') {\n                    value = value(context);\n                }\n                if (index !== undefined && helpers.isArray(value)) {\n                    value = value[index];\n                }\n                if (value !== undefined) {\n                    return value;\n                }\n            }\n        }\n    };\n\n},{\"42\":42}],45:[function(require,module,exports){\n    'use strict';\n\n    module.exports = require(42);\n    module.exports.easing = require(43);\n    module.exports.canvas = require(41);\n    module.exports.options = require(44);\n\n},{\"41\":41,\"42\":42,\"43\":43,\"44\":44}],46:[function(require,module,exports){\n    /**\n     * Platform fallback implementation (minimal).\n     * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939\n     */\n\n    module.exports = {\n        acquireContext: function(item) {\n            if (item && item.canvas) {\n                // Support for any object associated to a canvas (including a context2d)\n                item = item.canvas;\n            }\n\n            return item && item.getContext('2d') || null;\n        }\n    };\n\n},{}],47:[function(require,module,exports){\n    /**\n     * Chart.Platform implementation for targeting a web browser\n     */\n\n    'use strict';\n\n    var helpers = require(45);\n\n    var EXPANDO_KEY = '$chartjs';\n    var CSS_PREFIX = 'chartjs-';\n    var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';\n    var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';\n    var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];\n\n    /**\n     * DOM event types -> Chart.js event types.\n     * Note: only events with different types are mapped.\n     * @see https://developer.mozilla.org/en-US/docs/Web/Events\n     */\n    var EVENT_TYPES = {\n        touchstart: 'mousedown',\n        touchmove: 'mousemove',\n        touchend: 'mouseup',\n        pointerenter: 'mouseenter',\n        pointerdown: 'mousedown',\n        pointermove: 'mousemove',\n        pointerup: 'mouseup',\n        pointerleave: 'mouseout',\n        pointerout: 'mouseout'\n    };\n\n    /**\n     * The \"used\" size is the final value of a dimension property after all calculations have\n     * been performed. This method uses the computed style of `element` but returns undefined\n     * if the computed style is not expressed in pixels. That can happen in some cases where\n     * `element` has a size relative to its parent and this last one is not yet displayed,\n     * for example because of `display: none` on a parent node.\n     * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value\n     * @returns {Number} Size in pixels or undefined if unknown.\n     */\n    function readUsedSize(element, property) {\n        var value = helpers.getStyle(element, property);\n        var matches = value && value.match(/^(\\d+)(\\.\\d+)?px$/);\n        return matches ? Number(matches[1]) : undefined;\n    }\n\n    /**\n     * Initializes the canvas style and render size without modifying the canvas display size,\n     * since responsiveness is handled by the controller.resize() method. The config is used\n     * to determine the aspect ratio to apply in case no explicit height has been specified.\n     */\n    function initCanvas(canvas, config) {\n        var style = canvas.style;\n\n        // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it\n        // returns null or '' if no explicit value has been set to the canvas attribute.\n        var renderHeight = canvas.getAttribute('height');\n        var renderWidth = canvas.getAttribute('width');\n\n        // Chart.js modifies some canvas values that we want to restore on destroy\n        canvas[EXPANDO_KEY] = {\n            initial: {\n                height: renderHeight,\n                width: renderWidth,\n                style: {\n                    display: style.display,\n                    height: style.height,\n                    width: style.width\n                }\n            }\n        };\n\n        // Force canvas to display as block to avoid extra space caused by inline\n        // elements, which would interfere with the responsive resize process.\n        // https://github.com/chartjs/Chart.js/issues/2538\n        style.display = style.display || 'block';\n\n        if (renderWidth === null || renderWidth === '') {\n            var displayWidth = readUsedSize(canvas, 'width');\n            if (displayWidth !== undefined) {\n                canvas.width = displayWidth;\n            }\n        }\n\n        if (renderHeight === null || renderHeight === '') {\n            if (canvas.style.height === '') {\n                // If no explicit render height and style height, let's apply the aspect ratio,\n                // which one can be specified by the user but also by charts as default option\n                // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.\n                canvas.height = canvas.width / (config.options.aspectRatio || 2);\n            } else {\n                var displayHeight = readUsedSize(canvas, 'height');\n                if (displayWidth !== undefined) {\n                    canvas.height = displayHeight;\n                }\n            }\n        }\n\n        return canvas;\n    }\n\n    /**\n     * Detects support for options object argument in addEventListener.\n     * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support\n     * @private\n     */\n    var supportsEventListenerOptions = (function() {\n        var supports = false;\n        try {\n            var options = Object.defineProperty({}, 'passive', {\n                get: function() {\n                    supports = true;\n                }\n            });\n            window.addEventListener('e', null, options);\n        } catch (e) {\n            // continue regardless of error\n        }\n        return supports;\n    }());\n\n// Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.\n// https://github.com/chartjs/Chart.js/issues/4287\n    var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;\n\n    function addEventListener(node, type, listener) {\n        node.addEventListener(type, listener, eventListenerOptions);\n    }\n\n    function removeEventListener(node, type, listener) {\n        node.removeEventListener(type, listener, eventListenerOptions);\n    }\n\n    function createEvent(type, chart, x, y, nativeEvent) {\n        return {\n            type: type,\n            chart: chart,\n            native: nativeEvent || null,\n            x: x !== undefined ? x : null,\n            y: y !== undefined ? y : null,\n        };\n    }\n\n    function fromNativeEvent(event, chart) {\n        var type = EVENT_TYPES[event.type] || event.type;\n        var pos = helpers.getRelativePosition(event, chart);\n        return createEvent(type, chart, pos.x, pos.y, event);\n    }\n\n    function throttled(fn, thisArg) {\n        var ticking = false;\n        var args = [];\n\n        return function() {\n            args = Array.prototype.slice.call(arguments);\n            thisArg = thisArg || this;\n\n            if (!ticking) {\n                ticking = true;\n                helpers.requestAnimFrame.call(window, function() {\n                    ticking = false;\n                    fn.apply(thisArg, args);\n                });\n            }\n        };\n    }\n\n// Implementation based on https://github.com/marcj/css-element-queries\n    function createResizer(handler) {\n        var resizer = document.createElement('div');\n        var cls = CSS_PREFIX + 'size-monitor';\n        var maxSize = 1000000;\n        var style =\n            'position:absolute;' +\n            'left:0;' +\n            'top:0;' +\n            'right:0;' +\n            'bottom:0;' +\n            'overflow:hidden;' +\n            'pointer-events:none;' +\n            'visibility:hidden;' +\n            'z-index:-1;';\n\n        resizer.style.cssText = style;\n        resizer.className = cls;\n        resizer.innerHTML =\n            '<div class=\"' + cls + '-expand\" style=\"' + style + '\">' +\n            '<div style=\"' +\n            'position:absolute;' +\n            'width:' + maxSize + 'px;' +\n            'height:' + maxSize + 'px;' +\n            'left:0;' +\n            'top:0\">' +\n            '</div>' +\n            '</div>' +\n            '<div class=\"' + cls + '-shrink\" style=\"' + style + '\">' +\n            '<div style=\"' +\n            'position:absolute;' +\n            'width:200%;' +\n            'height:200%;' +\n            'left:0; ' +\n            'top:0\">' +\n            '</div>' +\n            '</div>';\n\n        var expand = resizer.childNodes[0];\n        var shrink = resizer.childNodes[1];\n\n        resizer._reset = function() {\n            expand.scrollLeft = maxSize;\n            expand.scrollTop = maxSize;\n            shrink.scrollLeft = maxSize;\n            shrink.scrollTop = maxSize;\n        };\n        var onScroll = function() {\n            resizer._reset();\n            handler();\n        };\n\n        addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand'));\n        addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));\n\n        return resizer;\n    }\n\n// https://davidwalsh.name/detect-node-insertion\n    function watchForRender(node, handler) {\n        var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n        var proxy = expando.renderProxy = function(e) {\n            if (e.animationName === CSS_RENDER_ANIMATION) {\n                handler();\n            }\n        };\n\n        helpers.each(ANIMATION_START_EVENTS, function(type) {\n            addEventListener(node, type, proxy);\n        });\n\n        node.classList.add(CSS_RENDER_MONITOR);\n    }\n\n    function unwatchForRender(node) {\n        var expando = node[EXPANDO_KEY] || {};\n        var proxy = expando.renderProxy;\n\n        if (proxy) {\n            helpers.each(ANIMATION_START_EVENTS, function(type) {\n                removeEventListener(node, type, proxy);\n            });\n\n            delete expando.renderProxy;\n        }\n\n        node.classList.remove(CSS_RENDER_MONITOR);\n    }\n\n    function addResizeListener(node, listener, chart) {\n        var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});\n\n        // Let's keep track of this added resizer and thus avoid DOM query when removing it.\n        var resizer = expando.resizer = createResizer(throttled(function() {\n            if (expando.resizer) {\n                return listener(createEvent('resize', chart));\n            }\n        }));\n\n        // The resizer needs to be attached to the node parent, so we first need to be\n        // sure that `node` is attached to the DOM before injecting the resizer element.\n        watchForRender(node, function() {\n            if (expando.resizer) {\n                var container = node.parentNode;\n                if (container && container !== resizer.parentNode) {\n                    container.insertBefore(resizer, container.firstChild);\n                }\n\n                // The container size might have changed, let's reset the resizer state.\n                resizer._reset();\n            }\n        });\n    }\n\n    function removeResizeListener(node) {\n        var expando = node[EXPANDO_KEY] || {};\n        var resizer = expando.resizer;\n\n        delete expando.resizer;\n        unwatchForRender(node);\n\n        if (resizer && resizer.parentNode) {\n            resizer.parentNode.removeChild(resizer);\n        }\n    }\n\n    function injectCSS(platform, css) {\n        // http://stackoverflow.com/q/3922139\n        var style = platform._style || document.createElement('style');\n        if (!platform._style) {\n            platform._style = style;\n            css = '/* Chart.js */\\n' + css;\n            style.setAttribute('type', 'text/css');\n            document.getElementsByTagName('head')[0].appendChild(style);\n        }\n\n        style.appendChild(document.createTextNode(css));\n    }\n\n    module.exports = {\n        /**\n         * This property holds whether this platform is enabled for the current environment.\n         * Currently used by platform.js to select the proper implementation.\n         * @private\n         */\n        _enabled: typeof window !== 'undefined' && typeof document !== 'undefined',\n\n        initialize: function() {\n            var keyframes = 'from{opacity:0.99}to{opacity:1}';\n\n            injectCSS(this,\n                // DOM rendering detection\n                // https://davidwalsh.name/detect-node-insertion\n                '@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n                '@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +\n                '.' + CSS_RENDER_MONITOR + '{' +\n                '-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n                'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +\n                '}'\n            );\n        },\n\n        acquireContext: function(item, config) {\n            if (typeof item === 'string') {\n                item = document.getElementById(item);\n            } else if (item.length) {\n                // Support for array based queries (such as jQuery)\n                item = item[0];\n            }\n\n            if (item && item.canvas) {\n                // Support for any object associated to a canvas (including a context2d)\n                item = item.canvas;\n            }\n\n            // To prevent canvas fingerprinting, some add-ons undefine the getContext\n            // method, for example: https://github.com/kkapsner/CanvasBlocker\n            // https://github.com/chartjs/Chart.js/issues/2807\n            var context = item && item.getContext && item.getContext('2d');\n\n            // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is\n            // inside an iframe or when running in a protected environment. We could guess the\n            // types from their toString() value but let's keep things flexible and assume it's\n            // a sufficient condition if the item has a context2D which has item as `canvas`.\n            // https://github.com/chartjs/Chart.js/issues/3887\n            // https://github.com/chartjs/Chart.js/issues/4102\n            // https://github.com/chartjs/Chart.js/issues/4152\n            if (context && context.canvas === item) {\n                initCanvas(item, config);\n                return context;\n            }\n\n            return null;\n        },\n\n        releaseContext: function(context) {\n            var canvas = context.canvas;\n            if (!canvas[EXPANDO_KEY]) {\n                return;\n            }\n\n            var initial = canvas[EXPANDO_KEY].initial;\n            ['height', 'width'].forEach(function(prop) {\n                var value = initial[prop];\n                if (helpers.isNullOrUndef(value)) {\n                    canvas.removeAttribute(prop);\n                } else {\n                    canvas.setAttribute(prop, value);\n                }\n            });\n\n            helpers.each(initial.style || {}, function(value, key) {\n                canvas.style[key] = value;\n            });\n\n            // The canvas render size might have been changed (and thus the state stack discarded),\n            // we can't use save() and restore() to restore the initial state. So make sure that at\n            // least the canvas context is reset to the default state by setting the canvas width.\n            // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html\n            canvas.width = canvas.width;\n\n            delete canvas[EXPANDO_KEY];\n        },\n\n        addEventListener: function(chart, type, listener) {\n            var canvas = chart.canvas;\n            if (type === 'resize') {\n                // Note: the resize event is not supported on all browsers.\n                addResizeListener(canvas, listener, chart);\n                return;\n            }\n\n            var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {});\n            var proxies = expando.proxies || (expando.proxies = {});\n            var proxy = proxies[chart.id + '_' + type] = function(event) {\n                listener(fromNativeEvent(event, chart));\n            };\n\n            addEventListener(canvas, type, proxy);\n        },\n\n        removeEventListener: function(chart, type, listener) {\n            var canvas = chart.canvas;\n            if (type === 'resize') {\n                // Note: the resize event is not supported on all browsers.\n                removeResizeListener(canvas, listener);\n                return;\n            }\n\n            var expando = listener[EXPANDO_KEY] || {};\n            var proxies = expando.proxies || {};\n            var proxy = proxies[chart.id + '_' + type];\n            if (!proxy) {\n                return;\n            }\n\n            removeEventListener(canvas, type, proxy);\n        }\n    };\n\n// DEPRECATIONS\n\n    /**\n     * Provided for backward compatibility, use EventTarget.addEventListener instead.\n     * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n     * @function Chart.helpers.addEvent\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.addEvent = addEventListener;\n\n    /**\n     * Provided for backward compatibility, use EventTarget.removeEventListener instead.\n     * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+\n     * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener\n     * @function Chart.helpers.removeEvent\n     * @deprecated since version 2.7.0\n     * @todo remove at version 3\n     * @private\n     */\n    helpers.removeEvent = removeEventListener;\n\n},{\"45\":45}],48:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var basic = require(46);\n    var dom = require(47);\n\n// @TODO Make possible to select another platform at build time.\n    var implementation = dom._enabled ? dom : basic;\n\n    /**\n     * @namespace Chart.platform\n     * @see https://chartjs.gitbooks.io/proposals/content/Platform.html\n     * @since 2.4.0\n     */\n    module.exports = helpers.extend({\n        /**\n         * @since 2.7.0\n         */\n        initialize: function() {},\n\n        /**\n         * Called at chart construction time, returns a context2d instance implementing\n         * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}.\n         * @param {*} item - The native item from which to acquire context (platform specific)\n         * @param {Object} options - The chart options\n         * @returns {CanvasRenderingContext2D} context2d instance\n         */\n        acquireContext: function() {},\n\n        /**\n         * Called at chart destruction time, releases any resources associated to the context\n         * previously returned by the acquireContext() method.\n         * @param {CanvasRenderingContext2D} context - The context2d instance\n         * @returns {Boolean} true if the method succeeded, else false\n         */\n        releaseContext: function() {},\n\n        /**\n         * Registers the specified listener on the given chart.\n         * @param {Chart} chart - Chart from which to listen for event\n         * @param {String} type - The ({@link IEvent}) type to listen for\n         * @param {Function} listener - Receives a notification (an object that implements\n         * the {@link IEvent} interface) when an event of the specified type occurs.\n         */\n        addEventListener: function() {},\n\n        /**\n         * Removes the specified listener previously registered with addEventListener.\n         * @param {Chart} chart -Chart from which to remove the listener\n         * @param {String} type - The ({@link IEvent}) type to remove\n         * @param {Function} listener - The listener function to remove from the event target.\n         */\n        removeEventListener: function() {}\n\n    }, implementation);\n\n    /**\n     * @interface IPlatform\n     * Allows abstracting platform dependencies away from the chart\n     * @borrows Chart.platform.acquireContext as acquireContext\n     * @borrows Chart.platform.releaseContext as releaseContext\n     * @borrows Chart.platform.addEventListener as addEventListener\n     * @borrows Chart.platform.removeEventListener as removeEventListener\n     */\n\n    /**\n     * @interface IEvent\n     * @prop {String} type - The event type name, possible values are:\n     * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout',\n     * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize'\n     * @prop {*} native - The original native event (null for emulated events, e.g. 'resize')\n     * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events)\n     * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events)\n     */\n\n},{\"45\":45,\"46\":46,\"47\":47}],49:[function(require,module,exports){\n    /**\n     * Plugin based on discussion from the following Chart.js issues:\n     * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569\n     * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897\n     */\n\n    'use strict';\n\n    var defaults = require(25);\n    var elements = require(40);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        plugins: {\n            filler: {\n                propagate: true\n            }\n        }\n    });\n\n    module.exports = function() {\n\n        var mappers = {\n            dataset: function(source) {\n                var index = source.fill;\n                var chart = source.chart;\n                var meta = chart.getDatasetMeta(index);\n                var visible = meta && chart.isDatasetVisible(index);\n                var points = (visible && meta.dataset._children) || [];\n                var length = points.length || 0;\n\n                return !length ? null : function(point, i) {\n                    return (i < length && points[i]._view) || null;\n                };\n            },\n\n            boundary: function(source) {\n                var boundary = source.boundary;\n                var x = boundary ? boundary.x : null;\n                var y = boundary ? boundary.y : null;\n\n                return function(point) {\n                    return {\n                        x: x === null ? point.x : x,\n                        y: y === null ? point.y : y,\n                    };\n                };\n            }\n        };\n\n        // @todo if (fill[0] === '#')\n        function decodeFill(el, index, count) {\n            var model = el._model || {};\n            var fill = model.fill;\n            var target;\n\n            if (fill === undefined) {\n                fill = !!model.backgroundColor;\n            }\n\n            if (fill === false || fill === null) {\n                return false;\n            }\n\n            if (fill === true) {\n                return 'origin';\n            }\n\n            target = parseFloat(fill, 10);\n            if (isFinite(target) && Math.floor(target) === target) {\n                if (fill[0] === '-' || fill[0] === '+') {\n                    target = index + target;\n                }\n\n                if (target === index || target < 0 || target >= count) {\n                    return false;\n                }\n\n                return target;\n            }\n\n            switch (fill) {\n                // compatibility\n                case 'bottom':\n                    return 'start';\n                case 'top':\n                    return 'end';\n                case 'zero':\n                    return 'origin';\n                // supported boundaries\n                case 'origin':\n                case 'start':\n                case 'end':\n                    return fill;\n                // invalid fill values\n                default:\n                    return false;\n            }\n        }\n\n        function computeBoundary(source) {\n            var model = source.el._model || {};\n            var scale = source.el._scale || {};\n            var fill = source.fill;\n            var target = null;\n            var horizontal;\n\n            if (isFinite(fill)) {\n                return null;\n            }\n\n            // Backward compatibility: until v3, we still need to support boundary values set on\n            // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and\n            // controllers might still use it (e.g. the Smith chart).\n\n            if (fill === 'start') {\n                target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;\n            } else if (fill === 'end') {\n                target = model.scaleTop === undefined ? scale.top : model.scaleTop;\n            } else if (model.scaleZero !== undefined) {\n                target = model.scaleZero;\n            } else if (scale.getBasePosition) {\n                target = scale.getBasePosition();\n            } else if (scale.getBasePixel) {\n                target = scale.getBasePixel();\n            }\n\n            if (target !== undefined && target !== null) {\n                if (target.x !== undefined && target.y !== undefined) {\n                    return target;\n                }\n\n                if (typeof target === 'number' && isFinite(target)) {\n                    horizontal = scale.isHorizontal();\n                    return {\n                        x: horizontal ? target : null,\n                        y: horizontal ? null : target\n                    };\n                }\n            }\n\n            return null;\n        }\n\n        function resolveTarget(sources, index, propagate) {\n            var source = sources[index];\n            var fill = source.fill;\n            var visited = [index];\n            var target;\n\n            if (!propagate) {\n                return fill;\n            }\n\n            while (fill !== false && visited.indexOf(fill) === -1) {\n                if (!isFinite(fill)) {\n                    return fill;\n                }\n\n                target = sources[fill];\n                if (!target) {\n                    return false;\n                }\n\n                if (target.visible) {\n                    return fill;\n                }\n\n                visited.push(fill);\n                fill = target.fill;\n            }\n\n            return false;\n        }\n\n        function createMapper(source) {\n            var fill = source.fill;\n            var type = 'dataset';\n\n            if (fill === false) {\n                return null;\n            }\n\n            if (!isFinite(fill)) {\n                type = 'boundary';\n            }\n\n            return mappers[type](source);\n        }\n\n        function isDrawable(point) {\n            return point && !point.skip;\n        }\n\n        function drawArea(ctx, curve0, curve1, len0, len1) {\n            var i;\n\n            if (!len0 || !len1) {\n                return;\n            }\n\n            // building first area curve (normal)\n            ctx.moveTo(curve0[0].x, curve0[0].y);\n            for (i = 1; i < len0; ++i) {\n                helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);\n            }\n\n            // joining the two area curves\n            ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);\n\n            // building opposite area curve (reverse)\n            for (i = len1 - 1; i > 0; --i) {\n                helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);\n            }\n        }\n\n        function doFill(ctx, points, mapper, view, color, loop) {\n            var count = points.length;\n            var span = view.spanGaps;\n            var curve0 = [];\n            var curve1 = [];\n            var len0 = 0;\n            var len1 = 0;\n            var i, ilen, index, p0, p1, d0, d1;\n\n            ctx.beginPath();\n\n            for (i = 0, ilen = (count + !!loop); i < ilen; ++i) {\n                index = i % count;\n                p0 = points[index]._view;\n                p1 = mapper(p0, index, view);\n                d0 = isDrawable(p0);\n                d1 = isDrawable(p1);\n\n                if (d0 && d1) {\n                    len0 = curve0.push(p0);\n                    len1 = curve1.push(p1);\n                } else if (len0 && len1) {\n                    if (!span) {\n                        drawArea(ctx, curve0, curve1, len0, len1);\n                        len0 = len1 = 0;\n                        curve0 = [];\n                        curve1 = [];\n                    } else {\n                        if (d0) {\n                            curve0.push(p0);\n                        }\n                        if (d1) {\n                            curve1.push(p1);\n                        }\n                    }\n                }\n            }\n\n            drawArea(ctx, curve0, curve1, len0, len1);\n\n            ctx.closePath();\n            ctx.fillStyle = color;\n            ctx.fill();\n        }\n\n        return {\n            id: 'filler',\n\n            afterDatasetsUpdate: function(chart, options) {\n                var count = (chart.data.datasets || []).length;\n                var propagate = options.propagate;\n                var sources = [];\n                var meta, i, el, source;\n\n                for (i = 0; i < count; ++i) {\n                    meta = chart.getDatasetMeta(i);\n                    el = meta.dataset;\n                    source = null;\n\n                    if (el && el._model && el instanceof elements.Line) {\n                        source = {\n                            visible: chart.isDatasetVisible(i),\n                            fill: decodeFill(el, i, count),\n                            chart: chart,\n                            el: el\n                        };\n                    }\n\n                    meta.$filler = source;\n                    sources.push(source);\n                }\n\n                for (i = 0; i < count; ++i) {\n                    source = sources[i];\n                    if (!source) {\n                        continue;\n                    }\n\n                    source.fill = resolveTarget(sources, i, propagate);\n                    source.boundary = computeBoundary(source);\n                    source.mapper = createMapper(source);\n                }\n            },\n\n            beforeDatasetDraw: function(chart, args) {\n                var meta = args.meta.$filler;\n                if (!meta) {\n                    return;\n                }\n\n                var ctx = chart.ctx;\n                var el = meta.el;\n                var view = el._view;\n                var points = el._children || [];\n                var mapper = meta.mapper;\n                var color = view.backgroundColor || defaults.global.defaultColor;\n\n                if (mapper && color && points.length) {\n                    helpers.canvas.clipArea(ctx, chart.chartArea);\n                    doFill(ctx, points, mapper, view, color, el._loop);\n                    helpers.canvas.unclipArea(ctx);\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"40\":40,\"45\":45}],50:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        legend: {\n            display: true,\n            position: 'top',\n            fullWidth: true,\n            reverse: false,\n            weight: 1000,\n\n            // a callback that will handle\n            onClick: function(e, legendItem) {\n                var index = legendItem.datasetIndex;\n                var ci = this.chart;\n                var meta = ci.getDatasetMeta(index);\n\n                // See controller.isDatasetVisible comment\n                meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;\n\n                // We hid a dataset ... rerender the chart\n                ci.update();\n            },\n\n            onHover: null,\n\n            labels: {\n                boxWidth: 40,\n                padding: 10,\n                // Generates labels shown in the legend\n                // Valid properties to return:\n                // text : text to display\n                // fillStyle : fill of coloured box\n                // strokeStyle: stroke of coloured box\n                // hidden : if this legend item refers to a hidden item\n                // lineCap : cap style for line\n                // lineDash\n                // lineDashOffset :\n                // lineJoin :\n                // lineWidth :\n                generateLabels: function(chart) {\n                    var data = chart.data;\n                    return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) {\n                        return {\n                            text: dataset.label,\n                            fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]),\n                            hidden: !chart.isDatasetVisible(i),\n                            lineCap: dataset.borderCapStyle,\n                            lineDash: dataset.borderDash,\n                            lineDashOffset: dataset.borderDashOffset,\n                            lineJoin: dataset.borderJoinStyle,\n                            lineWidth: dataset.borderWidth,\n                            strokeStyle: dataset.borderColor,\n                            pointStyle: dataset.pointStyle,\n\n                            // Below is extra data used for toggling the datasets\n                            datasetIndex: i\n                        };\n                    }, this) : [];\n                }\n            }\n        },\n\n        legendCallback: function(chart) {\n            var text = [];\n            text.push('<ul class=\"' + chart.id + '-legend\">');\n            for (var i = 0; i < chart.data.datasets.length; i++) {\n                text.push('<li><span style=\"background-color:' + chart.data.datasets[i].backgroundColor + '\"></span>');\n                if (chart.data.datasets[i].label) {\n                    text.push(chart.data.datasets[i].label);\n                }\n                text.push('</li>');\n            }\n            text.push('</ul>');\n            return text.join('');\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        var layout = Chart.layoutService;\n        var noop = helpers.noop;\n\n        /**\n         * Helper function to get the box width based on the usePointStyle option\n         * @param labelopts {Object} the label options on the legend\n         * @param fontSize {Number} the label font size\n         * @return {Number} width of the color box area\n         */\n        function getBoxWidth(labelOpts, fontSize) {\n            return labelOpts.usePointStyle ?\n                fontSize * Math.SQRT2 :\n                labelOpts.boxWidth;\n        }\n\n        Chart.Legend = Element.extend({\n\n            initialize: function(config) {\n                helpers.extend(this, config);\n\n                // Contains hit boxes for each dataset (in dataset order)\n                this.legendHitBoxes = [];\n\n                // Are we in doughnut mode which has a different data type\n                this.doughnutMode = false;\n            },\n\n            // These methods are ordered by lifecycle. Utilities then follow.\n            // Any function defined here is inherited by all legend types.\n            // Any function can be extended by the legend type\n\n            beforeUpdate: noop,\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = margins;\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n                // Labels\n                me.beforeBuildLabels();\n                me.buildLabels();\n                me.afterBuildLabels();\n\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n            },\n            afterUpdate: noop,\n\n            //\n\n            beforeSetDimensions: noop,\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n\n                // Reset minSize\n                me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n            },\n            afterSetDimensions: noop,\n\n            //\n\n            beforeBuildLabels: noop,\n            buildLabels: function() {\n                var me = this;\n                var labelOpts = me.options.labels || {};\n                var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || [];\n\n                if (labelOpts.filter) {\n                    legendItems = legendItems.filter(function(item) {\n                        return labelOpts.filter(item, me.chart.data);\n                    });\n                }\n\n                if (me.options.reverse) {\n                    legendItems.reverse();\n                }\n\n                me.legendItems = legendItems;\n            },\n            afterBuildLabels: noop,\n\n            //\n\n            beforeFit: noop,\n            fit: function() {\n                var me = this;\n                var opts = me.options;\n                var labelOpts = opts.labels;\n                var display = opts.display;\n\n                var ctx = me.ctx;\n\n                var globalDefault = defaults.global;\n                var valueOrDefault = helpers.valueOrDefault;\n                var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n                var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n                var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n                var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n                // Reset hit boxes\n                var hitboxes = me.legendHitBoxes = [];\n\n                var minSize = me.minSize;\n                var isHorizontal = me.isHorizontal();\n\n                if (isHorizontal) {\n                    minSize.width = me.maxWidth; // fill all the width\n                    minSize.height = display ? 10 : 0;\n                } else {\n                    minSize.width = display ? 10 : 0;\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                // Increase sizes here\n                if (display) {\n                    ctx.font = labelFont;\n\n                    if (isHorizontal) {\n                        // Labels\n\n                        // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one\n                        var lineWidths = me.lineWidths = [0];\n                        var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0;\n\n                        ctx.textAlign = 'left';\n                        ctx.textBaseline = 'top';\n\n                        helpers.each(me.legendItems, function(legendItem, i) {\n                            var boxWidth = getBoxWidth(labelOpts, fontSize);\n                            var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n                            if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) {\n                                totalHeight += fontSize + (labelOpts.padding);\n                                lineWidths[lineWidths.length] = me.left;\n                            }\n\n                            // Store the hitbox width and height here. Final position will be updated in `draw`\n                            hitboxes[i] = {\n                                left: 0,\n                                top: 0,\n                                width: width,\n                                height: fontSize\n                            };\n\n                            lineWidths[lineWidths.length - 1] += width + labelOpts.padding;\n                        });\n\n                        minSize.height += totalHeight;\n\n                    } else {\n                        var vPadding = labelOpts.padding;\n                        var columnWidths = me.columnWidths = [];\n                        var totalWidth = labelOpts.padding;\n                        var currentColWidth = 0;\n                        var currentColHeight = 0;\n                        var itemHeight = fontSize + vPadding;\n\n                        helpers.each(me.legendItems, function(legendItem, i) {\n                            var boxWidth = getBoxWidth(labelOpts, fontSize);\n                            var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;\n\n                            // If too tall, go to new column\n                            if (currentColHeight + itemHeight > minSize.height) {\n                                totalWidth += currentColWidth + labelOpts.padding;\n                                columnWidths.push(currentColWidth); // previous column width\n\n                                currentColWidth = 0;\n                                currentColHeight = 0;\n                            }\n\n                            // Get max width\n                            currentColWidth = Math.max(currentColWidth, itemWidth);\n                            currentColHeight += itemHeight;\n\n                            // Store the hitbox width and height here. Final position will be updated in `draw`\n                            hitboxes[i] = {\n                                left: 0,\n                                top: 0,\n                                width: itemWidth,\n                                height: fontSize\n                            };\n                        });\n\n                        totalWidth += currentColWidth;\n                        columnWidths.push(currentColWidth);\n                        minSize.width += totalWidth;\n                    }\n                }\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n            },\n            afterFit: noop,\n\n            // Shared Methods\n            isHorizontal: function() {\n                return this.options.position === 'top' || this.options.position === 'bottom';\n            },\n\n            // Actually draw the legend on the canvas\n            draw: function() {\n                var me = this;\n                var opts = me.options;\n                var labelOpts = opts.labels;\n                var globalDefault = defaults.global;\n                var lineDefault = globalDefault.elements.line;\n                var legendWidth = me.width;\n                var lineWidths = me.lineWidths;\n\n                if (opts.display) {\n                    var ctx = me.ctx;\n                    var valueOrDefault = helpers.valueOrDefault;\n                    var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor);\n                    var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);\n                    var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);\n                    var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);\n                    var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n                    var cursor;\n\n                    // Canvas setup\n                    ctx.textAlign = 'left';\n                    ctx.textBaseline = 'middle';\n                    ctx.lineWidth = 0.5;\n                    ctx.strokeStyle = fontColor; // for strikethrough effect\n                    ctx.fillStyle = fontColor; // render in correct colour\n                    ctx.font = labelFont;\n\n                    var boxWidth = getBoxWidth(labelOpts, fontSize);\n                    var hitboxes = me.legendHitBoxes;\n\n                    // current position\n                    var drawLegendBox = function(x, y, legendItem) {\n                        if (isNaN(boxWidth) || boxWidth <= 0) {\n                            return;\n                        }\n\n                        // Set the ctx for the box\n                        ctx.save();\n\n                        ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor);\n                        ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle);\n                        ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset);\n                        ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle);\n                        ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth);\n                        ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor);\n                        var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0);\n\n                        if (ctx.setLineDash) {\n                            // IE 9 and 10 do not support line dash\n                            ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash));\n                        }\n\n                        if (opts.labels && opts.labels.usePointStyle) {\n                            // Recalculate x and y for drawPoint() because its expecting\n                            // x and y to be center of figure (instead of top left)\n                            var radius = fontSize * Math.SQRT2 / 2;\n                            var offSet = radius / Math.SQRT2;\n                            var centerX = x + offSet;\n                            var centerY = y + offSet;\n\n                            // Draw pointStyle as legend symbol\n                            helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY);\n                        } else {\n                            // Draw box as legend symbol\n                            if (!isLineWidthZero) {\n                                ctx.strokeRect(x, y, boxWidth, fontSize);\n                            }\n                            ctx.fillRect(x, y, boxWidth, fontSize);\n                        }\n\n                        ctx.restore();\n                    };\n                    var fillText = function(x, y, legendItem, textWidth) {\n                        var halfFontSize = fontSize / 2;\n                        var xLeft = boxWidth + halfFontSize + x;\n                        var yMiddle = y + halfFontSize;\n\n                        ctx.fillText(legendItem.text, xLeft, yMiddle);\n\n                        if (legendItem.hidden) {\n                            // Strikethrough the text if hidden\n                            ctx.beginPath();\n                            ctx.lineWidth = 2;\n                            ctx.moveTo(xLeft, yMiddle);\n                            ctx.lineTo(xLeft + textWidth, yMiddle);\n                            ctx.stroke();\n                        }\n                    };\n\n                    // Horizontal\n                    var isHorizontal = me.isHorizontal();\n                    if (isHorizontal) {\n                        cursor = {\n                            x: me.left + ((legendWidth - lineWidths[0]) / 2),\n                            y: me.top + labelOpts.padding,\n                            line: 0\n                        };\n                    } else {\n                        cursor = {\n                            x: me.left + labelOpts.padding,\n                            y: me.top + labelOpts.padding,\n                            line: 0\n                        };\n                    }\n\n                    var itemHeight = fontSize + labelOpts.padding;\n                    helpers.each(me.legendItems, function(legendItem, i) {\n                        var textWidth = ctx.measureText(legendItem.text).width;\n                        var width = boxWidth + (fontSize / 2) + textWidth;\n                        var x = cursor.x;\n                        var y = cursor.y;\n\n                        if (isHorizontal) {\n                            if (x + width >= legendWidth) {\n                                y = cursor.y += itemHeight;\n                                cursor.line++;\n                                x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2);\n                            }\n                        } else if (y + itemHeight > me.bottom) {\n                            x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;\n                            y = cursor.y = me.top + labelOpts.padding;\n                            cursor.line++;\n                        }\n\n                        drawLegendBox(x, y, legendItem);\n\n                        hitboxes[i].left = x;\n                        hitboxes[i].top = y;\n\n                        // Fill the actual label\n                        fillText(x, y, legendItem, textWidth);\n\n                        if (isHorizontal) {\n                            cursor.x += width + (labelOpts.padding);\n                        } else {\n                            cursor.y += itemHeight;\n                        }\n\n                    });\n                }\n            },\n\n            /**\n             * Handle an event\n             * @private\n             * @param {IEvent} event - The event to handle\n             * @return {Boolean} true if a change occured\n             */\n            handleEvent: function(e) {\n                var me = this;\n                var opts = me.options;\n                var type = e.type === 'mouseup' ? 'click' : e.type;\n                var changed = false;\n\n                if (type === 'mousemove') {\n                    if (!opts.onHover) {\n                        return;\n                    }\n                } else if (type === 'click') {\n                    if (!opts.onClick) {\n                        return;\n                    }\n                } else {\n                    return;\n                }\n\n                // Chart event already has relative position in it\n                var x = e.x;\n                var y = e.y;\n\n                if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {\n                    // See if we are touching one of the dataset boxes\n                    var lh = me.legendHitBoxes;\n                    for (var i = 0; i < lh.length; ++i) {\n                        var hitBox = lh[i];\n\n                        if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {\n                            // Touching an element\n                            if (type === 'click') {\n                                // use e.native for backwards compatibility\n                                opts.onClick.call(me, e.native, me.legendItems[i]);\n                                changed = true;\n                                break;\n                            } else if (type === 'mousemove') {\n                                // use e.native for backwards compatibility\n                                opts.onHover.call(me, e.native, me.legendItems[i]);\n                                changed = true;\n                                break;\n                            }\n                        }\n                    }\n                }\n\n                return changed;\n            }\n        });\n\n        function createNewLegendAndAttach(chart, legendOpts) {\n            var legend = new Chart.Legend({\n                ctx: chart.ctx,\n                options: legendOpts,\n                chart: chart\n            });\n\n            layout.configure(chart, legend, legendOpts);\n            layout.addBox(chart, legend);\n            chart.legend = legend;\n        }\n\n        return {\n            id: 'legend',\n\n            beforeInit: function(chart) {\n                var legendOpts = chart.options.legend;\n\n                if (legendOpts) {\n                    createNewLegendAndAttach(chart, legendOpts);\n                }\n            },\n\n            beforeUpdate: function(chart) {\n                var legendOpts = chart.options.legend;\n                var legend = chart.legend;\n\n                if (legendOpts) {\n                    helpers.mergeIf(legendOpts, defaults.global.legend);\n\n                    if (legend) {\n                        layout.configure(chart, legend, legendOpts);\n                        legend.options = legendOpts;\n                    } else {\n                        createNewLegendAndAttach(chart, legendOpts);\n                    }\n                } else if (legend) {\n                    layout.removeBox(chart, legend);\n                    delete chart.legend;\n                }\n            },\n\n            afterEvent: function(chart, e) {\n                var legend = chart.legend;\n                if (legend) {\n                    legend.handleEvent(e);\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],51:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var Element = require(26);\n    var helpers = require(45);\n\n    defaults._set('global', {\n        title: {\n            display: false,\n            fontStyle: 'bold',\n            fullWidth: true,\n            lineHeight: 1.2,\n            padding: 10,\n            position: 'top',\n            text: '',\n            weight: 2000         // by default greater than legend (1000) to be above\n        }\n    });\n\n    module.exports = function(Chart) {\n\n        var layout = Chart.layoutService;\n        var noop = helpers.noop;\n\n        Chart.Title = Element.extend({\n            initialize: function(config) {\n                var me = this;\n                helpers.extend(me, config);\n\n                // Contains hit boxes for each dataset (in dataset order)\n                me.legendHitBoxes = [];\n            },\n\n            // These methods are ordered by lifecycle. Utilities then follow.\n\n            beforeUpdate: noop,\n            update: function(maxWidth, maxHeight, margins) {\n                var me = this;\n\n                // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)\n                me.beforeUpdate();\n\n                // Absorb the master measurements\n                me.maxWidth = maxWidth;\n                me.maxHeight = maxHeight;\n                me.margins = margins;\n\n                // Dimensions\n                me.beforeSetDimensions();\n                me.setDimensions();\n                me.afterSetDimensions();\n                // Labels\n                me.beforeBuildLabels();\n                me.buildLabels();\n                me.afterBuildLabels();\n\n                // Fit\n                me.beforeFit();\n                me.fit();\n                me.afterFit();\n                //\n                me.afterUpdate();\n\n                return me.minSize;\n\n            },\n            afterUpdate: noop,\n\n            //\n\n            beforeSetDimensions: noop,\n            setDimensions: function() {\n                var me = this;\n                // Set the unconstrained dimension before label rotation\n                if (me.isHorizontal()) {\n                    // Reset position before calculating rotation\n                    me.width = me.maxWidth;\n                    me.left = 0;\n                    me.right = me.width;\n                } else {\n                    me.height = me.maxHeight;\n\n                    // Reset position before calculating rotation\n                    me.top = 0;\n                    me.bottom = me.height;\n                }\n\n                // Reset padding\n                me.paddingLeft = 0;\n                me.paddingTop = 0;\n                me.paddingRight = 0;\n                me.paddingBottom = 0;\n\n                // Reset minSize\n                me.minSize = {\n                    width: 0,\n                    height: 0\n                };\n            },\n            afterSetDimensions: noop,\n\n            //\n\n            beforeBuildLabels: noop,\n            buildLabels: noop,\n            afterBuildLabels: noop,\n\n            //\n\n            beforeFit: noop,\n            fit: function() {\n                var me = this;\n                var valueOrDefault = helpers.valueOrDefault;\n                var opts = me.options;\n                var display = opts.display;\n                var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize);\n                var minSize = me.minSize;\n                var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1;\n                var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n                var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0;\n\n                if (me.isHorizontal()) {\n                    minSize.width = me.maxWidth; // fill all the width\n                    minSize.height = textSize;\n                } else {\n                    minSize.width = textSize;\n                    minSize.height = me.maxHeight; // fill all the height\n                }\n\n                me.width = minSize.width;\n                me.height = minSize.height;\n\n            },\n            afterFit: noop,\n\n            // Shared Methods\n            isHorizontal: function() {\n                var pos = this.options.position;\n                return pos === 'top' || pos === 'bottom';\n            },\n\n            // Actually draw the title block on the canvas\n            draw: function() {\n                var me = this;\n                var ctx = me.ctx;\n                var valueOrDefault = helpers.valueOrDefault;\n                var opts = me.options;\n                var globalDefaults = defaults.global;\n\n                if (opts.display) {\n                    var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize);\n                    var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle);\n                    var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily);\n                    var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily);\n                    var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);\n                    var offset = lineHeight / 2 + opts.padding;\n                    var rotation = 0;\n                    var top = me.top;\n                    var left = me.left;\n                    var bottom = me.bottom;\n                    var right = me.right;\n                    var maxWidth, titleX, titleY;\n\n                    ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour\n                    ctx.font = titleFont;\n\n                    // Horizontal\n                    if (me.isHorizontal()) {\n                        titleX = left + ((right - left) / 2); // midpoint of the width\n                        titleY = top + offset;\n                        maxWidth = right - left;\n                    } else {\n                        titleX = opts.position === 'left' ? left + offset : right - offset;\n                        titleY = top + ((bottom - top) / 2);\n                        maxWidth = bottom - top;\n                        rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);\n                    }\n\n                    ctx.save();\n                    ctx.translate(titleX, titleY);\n                    ctx.rotate(rotation);\n                    ctx.textAlign = 'center';\n                    ctx.textBaseline = 'middle';\n\n                    var text = opts.text;\n                    if (helpers.isArray(text)) {\n                        var y = 0;\n                        for (var i = 0; i < text.length; ++i) {\n                            ctx.fillText(text[i], 0, y, maxWidth);\n                            y += lineHeight;\n                        }\n                    } else {\n                        ctx.fillText(text, 0, 0, maxWidth);\n                    }\n\n                    ctx.restore();\n                }\n            }\n        });\n\n        function createNewTitleBlockAndAttach(chart, titleOpts) {\n            var title = new Chart.Title({\n                ctx: chart.ctx,\n                options: titleOpts,\n                chart: chart\n            });\n\n            layout.configure(chart, title, titleOpts);\n            layout.addBox(chart, title);\n            chart.titleBlock = title;\n        }\n\n        return {\n            id: 'title',\n\n            beforeInit: function(chart) {\n                var titleOpts = chart.options.title;\n\n                if (titleOpts) {\n                    createNewTitleBlockAndAttach(chart, titleOpts);\n                }\n            },\n\n            beforeUpdate: function(chart) {\n                var titleOpts = chart.options.title;\n                var titleBlock = chart.titleBlock;\n\n                if (titleOpts) {\n                    helpers.mergeIf(titleOpts, defaults.global.title);\n\n                    if (titleBlock) {\n                        layout.configure(chart, titleBlock, titleOpts);\n                        titleBlock.options = titleOpts;\n                    } else {\n                        createNewTitleBlockAndAttach(chart, titleOpts);\n                    }\n                } else if (titleBlock) {\n                    Chart.layoutService.removeBox(chart, titleBlock);\n                    delete chart.titleBlock;\n                }\n            }\n        };\n    };\n\n},{\"25\":25,\"26\":26,\"45\":45}],52:[function(require,module,exports){\n    'use strict';\n\n    module.exports = function(Chart) {\n\n        // Default config for a category scale\n        var defaultConfig = {\n            position: 'bottom'\n        };\n\n        var DatasetScale = Chart.Scale.extend({\n            /**\n             * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those\n             * else fall back to data.labels\n             * @private\n             */\n            getLabels: function() {\n                var data = this.chart.data;\n                return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels;\n            },\n\n            determineDataLimits: function() {\n                var me = this;\n                var labels = me.getLabels();\n                me.minIndex = 0;\n                me.maxIndex = labels.length - 1;\n                var findIndex;\n\n                if (me.options.ticks.min !== undefined) {\n                    // user specified min value\n                    findIndex = labels.indexOf(me.options.ticks.min);\n                    me.minIndex = findIndex !== -1 ? findIndex : me.minIndex;\n                }\n\n                if (me.options.ticks.max !== undefined) {\n                    // user specified max value\n                    findIndex = labels.indexOf(me.options.ticks.max);\n                    me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex;\n                }\n\n                me.min = labels[me.minIndex];\n                me.max = labels[me.maxIndex];\n            },\n\n            buildTicks: function() {\n                var me = this;\n                var labels = me.getLabels();\n                // If we are viewing some subset of labels, slice the original array\n                me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1);\n            },\n\n            getLabelForIndex: function(index, datasetIndex) {\n                var me = this;\n                var data = me.chart.data;\n                var isHorizontal = me.isHorizontal();\n\n                if (data.yLabels && !isHorizontal) {\n                    return me.getRightValue(data.datasets[datasetIndex].data[index]);\n                }\n                return me.ticks[index - me.minIndex];\n            },\n\n            // Used to get data value locations.  Value can either be an index or a numerical value\n            getPixelForValue: function(value, index) {\n                var me = this;\n                var offset = me.options.offset;\n                // 1 is added because we need the length but we have the indexes\n                var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1);\n\n                // If value is a data object, then index is the index in the data array,\n                // not the index of the scale. We need to change that.\n                var valueCategory;\n                if (value !== undefined && value !== null) {\n                    valueCategory = me.isHorizontal() ? value.x : value.y;\n                }\n                if (valueCategory !== undefined || (value !== undefined && isNaN(index))) {\n                    var labels = me.getLabels();\n                    value = valueCategory || value;\n                    var idx = labels.indexOf(value);\n                    index = idx !== -1 ? idx : index;\n                }\n\n                if (me.isHorizontal()) {\n                    var valueWidth = me.width / offsetAmt;\n                    var widthOffset = (valueWidth * (index - me.minIndex));\n\n                    if (offset) {\n                        widthOffset += (valueWidth / 2);\n                    }\n\n                    return me.left + Math.round(widthOffset);\n                }\n                var valueHeight = me.height / offsetAmt;\n                var heightOffset = (valueHeight * (index - me.minIndex));\n\n                if (offset) {\n                    heightOffset += (valueHeight / 2);\n                }\n\n                return me.top + Math.round(heightOffset);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.ticks[index], index + this.minIndex, null);\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var offset = me.options.offset;\n                var value;\n                var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1);\n                var horz = me.isHorizontal();\n                var valueDimension = (horz ? me.width : me.height) / offsetAmt;\n\n                pixel -= horz ? me.left : me.top;\n\n                if (offset) {\n                    pixel -= (valueDimension / 2);\n                }\n\n                if (pixel <= 0) {\n                    value = 0;\n                } else {\n                    value = Math.round(pixel / valueDimension);\n                }\n\n                return value + me.minIndex;\n            },\n            getBasePixel: function() {\n                return this.bottom;\n            }\n        });\n\n        Chart.scaleService.registerScaleType('category', DatasetScale, defaultConfig);\n\n    };\n\n},{}],53:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'left',\n            ticks: {\n                callback: Ticks.formatters.linear\n            }\n        };\n\n        var LinearScale = Chart.LinearScaleBase.extend({\n\n            determineDataLimits: function() {\n                var me = this;\n                var opts = me.options;\n                var chart = me.chart;\n                var data = chart.data;\n                var datasets = data.datasets;\n                var isHorizontal = me.isHorizontal();\n                var DEFAULT_MIN = 0;\n                var DEFAULT_MAX = 1;\n\n                function IDMatches(meta) {\n                    return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n                }\n\n                // First Calculate the range\n                me.min = null;\n                me.max = null;\n\n                var hasStacks = opts.stacked;\n                if (hasStacks === undefined) {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        if (hasStacks) {\n                            return;\n                        }\n\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n                            meta.stack !== undefined) {\n                            hasStacks = true;\n                        }\n                    });\n                }\n\n                if (opts.stacked || hasStacks) {\n                    var valuesPerStack = {};\n\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        var key = [\n                            meta.type,\n                            // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n                            ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n                            meta.stack\n                        ].join('.');\n\n                        if (valuesPerStack[key] === undefined) {\n                            valuesPerStack[key] = {\n                                positiveValues: [],\n                                negativeValues: []\n                            };\n                        }\n\n                        // Store these per type\n                        var positiveValues = valuesPerStack[key].positiveValues;\n                        var negativeValues = valuesPerStack[key].negativeValues;\n\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                positiveValues[index] = positiveValues[index] || 0;\n                                negativeValues[index] = negativeValues[index] || 0;\n\n                                if (opts.relativePoints) {\n                                    positiveValues[index] = 100;\n                                } else if (value < 0) {\n                                    negativeValues[index] += value;\n                                } else {\n                                    positiveValues[index] += value;\n                                }\n                            });\n                        }\n                    });\n\n                    helpers.each(valuesPerStack, function(valuesForType) {\n                        var values = valuesForType.positiveValues.concat(valuesForType.negativeValues);\n                        var minVal = helpers.min(values);\n                        var maxVal = helpers.max(values);\n                        me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n                        me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n                    });\n\n                } else {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                if (me.min === null) {\n                                    me.min = value;\n                                } else if (value < me.min) {\n                                    me.min = value;\n                                }\n\n                                if (me.max === null) {\n                                    me.max = value;\n                                } else if (value > me.max) {\n                                    me.max = value;\n                                }\n                            });\n                        }\n                    });\n                }\n\n                me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;\n                me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;\n\n                // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n                this.handleTickRangeOptions();\n            },\n            getTickLimit: function() {\n                var maxTicks;\n                var me = this;\n                var tickOpts = me.options.ticks;\n\n                if (me.isHorizontal()) {\n                    maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50));\n                } else {\n                    // The factor of 2 used to scale the font size has been experimentally determined.\n                    var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize);\n                    maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize)));\n                }\n\n                return maxTicks;\n            },\n            // Called after the ticks are built. We need\n            handleDirectionalChanges: function() {\n                if (!this.isHorizontal()) {\n                    // We are in a vertical orientation. The top value is the highest. So reverse the array\n                    this.ticks.reverse();\n                }\n            },\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            // Utils\n            getPixelForValue: function(value) {\n                // This must be called after fit has been run so that\n                // this.left, this.top, this.right, and this.bottom have been defined\n                var me = this;\n                var start = me.start;\n\n                var rightValue = +me.getRightValue(value);\n                var pixel;\n                var range = me.end - start;\n\n                if (me.isHorizontal()) {\n                    pixel = me.left + (me.width / range * (rightValue - start));\n                    return Math.round(pixel);\n                }\n\n                pixel = me.bottom - (me.height / range * (rightValue - start));\n                return Math.round(pixel);\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var isHorizontal = me.isHorizontal();\n                var innerDimension = isHorizontal ? me.width : me.height;\n                var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension;\n                return me.start + ((me.end - me.start) * offset);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.ticksAsNumbers[index]);\n            }\n        });\n        Chart.scaleService.registerScaleType('linear', LinearScale, defaultConfig);\n\n    };\n\n},{\"25\":25,\"34\":34,\"45\":45}],54:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var noop = helpers.noop;\n\n        Chart.LinearScaleBase = Chart.Scale.extend({\n            getRightValue: function(value) {\n                if (typeof value === 'string') {\n                    return +value;\n                }\n                return Chart.Scale.prototype.getRightValue.call(this, value);\n            },\n\n            handleTickRangeOptions: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                // If we are forcing it to begin at 0, but 0 will already be rendered on the chart,\n                // do nothing since that would make the chart weird. If the user really wants a weird chart\n                // axis, they can manually override it\n                if (tickOpts.beginAtZero) {\n                    var minSign = helpers.sign(me.min);\n                    var maxSign = helpers.sign(me.max);\n\n                    if (minSign < 0 && maxSign < 0) {\n                        // move the top up to 0\n                        me.max = 0;\n                    } else if (minSign > 0 && maxSign > 0) {\n                        // move the bottom down to 0\n                        me.min = 0;\n                    }\n                }\n\n                var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;\n                var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;\n\n                if (tickOpts.min !== undefined) {\n                    me.min = tickOpts.min;\n                } else if (tickOpts.suggestedMin !== undefined) {\n                    if (me.min === null) {\n                        me.min = tickOpts.suggestedMin;\n                    } else {\n                        me.min = Math.min(me.min, tickOpts.suggestedMin);\n                    }\n                }\n\n                if (tickOpts.max !== undefined) {\n                    me.max = tickOpts.max;\n                } else if (tickOpts.suggestedMax !== undefined) {\n                    if (me.max === null) {\n                        me.max = tickOpts.suggestedMax;\n                    } else {\n                        me.max = Math.max(me.max, tickOpts.suggestedMax);\n                    }\n                }\n\n                if (setMin !== setMax) {\n                    // We set the min or the max but not both.\n                    // So ensure that our range is good\n                    // Inverted or 0 length range can happen when\n                    // ticks.min is set, and no datasets are visible\n                    if (me.min >= me.max) {\n                        if (setMin) {\n                            me.max = me.min + 1;\n                        } else {\n                            me.min = me.max - 1;\n                        }\n                    }\n                }\n\n                if (me.min === me.max) {\n                    me.max++;\n\n                    if (!tickOpts.beginAtZero) {\n                        me.min--;\n                    }\n                }\n            },\n            getTickLimit: noop,\n            handleDirectionalChanges: noop,\n\n            buildTicks: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                // Figure out what the max number of ticks we can support it is based on the size of\n                // the axis area. For now, we say that the minimum tick spacing in pixels must be 50\n                // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on\n                // the graph. Make sure we always have at least 2 ticks\n                var maxTicks = me.getTickLimit();\n                maxTicks = Math.max(2, maxTicks);\n\n                var numericGeneratorOptions = {\n                    maxTicks: maxTicks,\n                    min: tickOpts.min,\n                    max: tickOpts.max,\n                    stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)\n                };\n                var ticks = me.ticks = Ticks.generators.linear(numericGeneratorOptions, me);\n\n                me.handleDirectionalChanges();\n\n                // At this point, we need to update our max and min given the tick values since we have expanded the\n                // range of the scale\n                me.max = helpers.max(ticks);\n                me.min = helpers.min(ticks);\n\n                if (tickOpts.reverse) {\n                    ticks.reverse();\n\n                    me.start = me.max;\n                    me.end = me.min;\n                } else {\n                    me.start = me.min;\n                    me.end = me.max;\n                }\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n                me.ticksAsNumbers = me.ticks.slice();\n                me.zeroLineIndex = me.ticks.indexOf(0);\n\n                Chart.Scale.prototype.convertTicksToLabels.call(me);\n            }\n        });\n    };\n\n},{\"34\":34,\"45\":45}],55:[function(require,module,exports){\n    'use strict';\n\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'left',\n\n            // label settings\n            ticks: {\n                callback: Ticks.formatters.logarithmic\n            }\n        };\n\n        var LogarithmicScale = Chart.Scale.extend({\n            determineDataLimits: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var chart = me.chart;\n                var data = chart.data;\n                var datasets = data.datasets;\n                var valueOrDefault = helpers.valueOrDefault;\n                var isHorizontal = me.isHorizontal();\n                function IDMatches(meta) {\n                    return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;\n                }\n\n                // Calculate Range\n                me.min = null;\n                me.max = null;\n                me.minNotZero = null;\n\n                var hasStacks = opts.stacked;\n                if (hasStacks === undefined) {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        if (hasStacks) {\n                            return;\n                        }\n\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&\n                            meta.stack !== undefined) {\n                            hasStacks = true;\n                        }\n                    });\n                }\n\n                if (opts.stacked || hasStacks) {\n                    var valuesPerStack = {};\n\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        var key = [\n                            meta.type,\n                            // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined\n                            ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),\n                            meta.stack\n                        ].join('.');\n\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            if (valuesPerStack[key] === undefined) {\n                                valuesPerStack[key] = [];\n                            }\n\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var values = valuesPerStack[key];\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                values[index] = values[index] || 0;\n\n                                if (opts.relativePoints) {\n                                    values[index] = 100;\n                                } else {\n                                    // Don't need to split positive and negative since the log scale can't handle a 0 crossing\n                                    values[index] += value;\n                                }\n                            });\n                        }\n                    });\n\n                    helpers.each(valuesPerStack, function(valuesForType) {\n                        var minVal = helpers.min(valuesForType);\n                        var maxVal = helpers.max(valuesForType);\n                        me.min = me.min === null ? minVal : Math.min(me.min, minVal);\n                        me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);\n                    });\n\n                } else {\n                    helpers.each(datasets, function(dataset, datasetIndex) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n                        if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {\n                            helpers.each(dataset.data, function(rawValue, index) {\n                                var value = +me.getRightValue(rawValue);\n                                if (isNaN(value) || meta.data[index].hidden) {\n                                    return;\n                                }\n\n                                if (me.min === null) {\n                                    me.min = value;\n                                } else if (value < me.min) {\n                                    me.min = value;\n                                }\n\n                                if (me.max === null) {\n                                    me.max = value;\n                                } else if (value > me.max) {\n                                    me.max = value;\n                                }\n\n                                if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) {\n                                    me.minNotZero = value;\n                                }\n                            });\n                        }\n                    });\n                }\n\n                me.min = valueOrDefault(tickOpts.min, me.min);\n                me.max = valueOrDefault(tickOpts.max, me.max);\n\n                if (me.min === me.max) {\n                    if (me.min !== 0 && me.min !== null) {\n                        me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1);\n                        me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1);\n                    } else {\n                        me.min = 1;\n                        me.max = 10;\n                    }\n                }\n            },\n            buildTicks: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n\n                var generationOptions = {\n                    min: tickOpts.min,\n                    max: tickOpts.max\n                };\n                var ticks = me.ticks = Ticks.generators.logarithmic(generationOptions, me);\n\n                if (!me.isHorizontal()) {\n                    // We are in a vertical orientation. The top value is the highest. So reverse the array\n                    ticks.reverse();\n                }\n\n                // At this point, we need to update our max and min given the tick values since we have expanded the\n                // range of the scale\n                me.max = helpers.max(ticks);\n                me.min = helpers.min(ticks);\n\n                if (tickOpts.reverse) {\n                    ticks.reverse();\n\n                    me.start = me.max;\n                    me.end = me.min;\n                } else {\n                    me.start = me.min;\n                    me.end = me.max;\n                }\n            },\n            convertTicksToLabels: function() {\n                this.tickValues = this.ticks.slice();\n\n                Chart.Scale.prototype.convertTicksToLabels.call(this);\n            },\n            // Get the correct tooltip label\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            getPixelForTick: function(index) {\n                return this.getPixelForValue(this.tickValues[index]);\n            },\n            getPixelForValue: function(value) {\n                var me = this;\n                var start = me.start;\n                var newVal = +me.getRightValue(value);\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                var innerDimension, pixel, range;\n\n                if (me.isHorizontal()) {\n                    range = helpers.log10(me.end) - helpers.log10(start); // todo: if start === 0\n                    if (newVal === 0) {\n                        pixel = me.left;\n                    } else {\n                        innerDimension = me.width;\n                        pixel = me.left + (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n                    }\n                } else {\n                    // Bottom - top since pixels increase downward on a screen\n                    innerDimension = me.height;\n                    if (start === 0 && !tickOpts.reverse) {\n                        range = helpers.log10(me.end) - helpers.log10(me.minNotZero);\n                        if (newVal === start) {\n                            pixel = me.bottom;\n                        } else if (newVal === me.minNotZero) {\n                            pixel = me.bottom - innerDimension * 0.02;\n                        } else {\n                            pixel = me.bottom - innerDimension * 0.02 - (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n                        }\n                    } else if (me.end === 0 && tickOpts.reverse) {\n                        range = helpers.log10(me.start) - helpers.log10(me.minNotZero);\n                        if (newVal === me.end) {\n                            pixel = me.top;\n                        } else if (newVal === me.minNotZero) {\n                            pixel = me.top + innerDimension * 0.02;\n                        } else {\n                            pixel = me.top + innerDimension * 0.02 + (innerDimension * 0.98 / range * (helpers.log10(newVal) - helpers.log10(me.minNotZero)));\n                        }\n                    } else if (newVal === 0) {\n                        pixel = tickOpts.reverse ? me.top : me.bottom;\n                    } else {\n                        range = helpers.log10(me.end) - helpers.log10(start);\n                        innerDimension = me.height;\n                        pixel = me.bottom - (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start)));\n                    }\n                }\n                return pixel;\n            },\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var range = helpers.log10(me.end) - helpers.log10(me.start);\n                var value, innerDimension;\n\n                if (me.isHorizontal()) {\n                    innerDimension = me.width;\n                    value = me.start * Math.pow(10, (pixel - me.left) * range / innerDimension);\n                } else { // todo: if start === 0\n                    innerDimension = me.height;\n                    value = Math.pow(10, (me.bottom - pixel) * range / innerDimension) / me.start;\n                }\n                return value;\n            }\n        });\n        Chart.scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig);\n\n    };\n\n},{\"34\":34,\"45\":45}],56:[function(require,module,exports){\n    'use strict';\n\n    var defaults = require(25);\n    var helpers = require(45);\n    var Ticks = require(34);\n\n    module.exports = function(Chart) {\n\n        var globalDefaults = defaults.global;\n\n        var defaultConfig = {\n            display: true,\n\n            // Boolean - Whether to animate scaling the chart from the centre\n            animate: true,\n            position: 'chartArea',\n\n            angleLines: {\n                display: true,\n                color: 'rgba(0, 0, 0, 0.1)',\n                lineWidth: 1\n            },\n\n            gridLines: {\n                circular: false\n            },\n\n            // label settings\n            ticks: {\n                // Boolean - Show a backdrop to the scale label\n                showLabelBackdrop: true,\n\n                // String - The colour of the label backdrop\n                backdropColor: 'rgba(255,255,255,0.75)',\n\n                // Number - The backdrop padding above & below the label in pixels\n                backdropPaddingY: 2,\n\n                // Number - The backdrop padding to the side of the label in pixels\n                backdropPaddingX: 2,\n\n                callback: Ticks.formatters.linear\n            },\n\n            pointLabels: {\n                // Boolean - if true, show point labels\n                display: true,\n\n                // Number - Point label font size in pixels\n                fontSize: 10,\n\n                // Function - Used to convert point labels\n                callback: function(label) {\n                    return label;\n                }\n            }\n        };\n\n        function getValueCount(scale) {\n            var opts = scale.options;\n            return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0;\n        }\n\n        function getPointLabelFontOptions(scale) {\n            var pointLabelOptions = scale.options.pointLabels;\n            var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize);\n            var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle);\n            var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily);\n            var font = helpers.fontString(fontSize, fontStyle, fontFamily);\n\n            return {\n                size: fontSize,\n                style: fontStyle,\n                family: fontFamily,\n                font: font\n            };\n        }\n\n        function measureLabelSize(ctx, fontSize, label) {\n            if (helpers.isArray(label)) {\n                return {\n                    w: helpers.longestText(ctx, ctx.font, label),\n                    h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize)\n                };\n            }\n\n            return {\n                w: ctx.measureText(label).width,\n                h: fontSize\n            };\n        }\n\n        function determineLimits(angle, pos, size, min, max) {\n            if (angle === min || angle === max) {\n                return {\n                    start: pos - (size / 2),\n                    end: pos + (size / 2)\n                };\n            } else if (angle < min || angle > max) {\n                return {\n                    start: pos - size - 5,\n                    end: pos\n                };\n            }\n\n            return {\n                start: pos,\n                end: pos + size + 5\n            };\n        }\n\n        /**\n         * Helper function to fit a radial linear scale with point labels\n         */\n        function fitWithPointLabels(scale) {\n\t\t\t/*\n\t\t\t * Right, this is really confusing and there is a lot of maths going on here\n\t\t\t * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9\n\t\t\t *\n\t\t\t * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif\n\t\t\t *\n\t\t\t * Solution:\n\t\t\t *\n\t\t\t * We assume the radius of the polygon is half the size of the canvas at first\n\t\t\t * at each index we check if the text overlaps.\n\t\t\t *\n\t\t\t * Where it does, we store that angle and that index.\n\t\t\t *\n\t\t\t * After finding the largest index and angle we calculate how much we need to remove\n\t\t\t * from the shape radius to move the point inwards by that x.\n\t\t\t *\n\t\t\t * We average the left and right distances to get the maximum shape radius that can fit in the box\n\t\t\t * along with labels.\n\t\t\t *\n\t\t\t * Once we have that, we can find the centre point for the chart, by taking the x text protrusion\n\t\t\t * on each side, removing that from the size, halving it and adding the left x protrusion width.\n\t\t\t *\n\t\t\t * This will mean we have a shape fitted to the canvas, as large as it can be with the labels\n\t\t\t * and position it in the most space efficient manner\n\t\t\t *\n\t\t\t * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif\n\t\t\t */\n\n            var plFont = getPointLabelFontOptions(scale);\n\n            // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.\n            // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points\n            var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n            var furthestLimits = {\n                r: scale.width,\n                l: 0,\n                t: scale.height,\n                b: 0\n            };\n            var furthestAngles = {};\n            var i, textSize, pointPosition;\n\n            scale.ctx.font = plFont.font;\n            scale._pointLabelSizes = [];\n\n            var valueCount = getValueCount(scale);\n            for (i = 0; i < valueCount; i++) {\n                pointPosition = scale.getPointPosition(i, largestPossibleRadius);\n                textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || '');\n                scale._pointLabelSizes[i] = textSize;\n\n                // Add quarter circle to make degree 0 mean top of circle\n                var angleRadians = scale.getIndexAngle(i);\n                var angle = helpers.toDegrees(angleRadians) % 360;\n                var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);\n                var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);\n\n                if (hLimits.start < furthestLimits.l) {\n                    furthestLimits.l = hLimits.start;\n                    furthestAngles.l = angleRadians;\n                }\n\n                if (hLimits.end > furthestLimits.r) {\n                    furthestLimits.r = hLimits.end;\n                    furthestAngles.r = angleRadians;\n                }\n\n                if (vLimits.start < furthestLimits.t) {\n                    furthestLimits.t = vLimits.start;\n                    furthestAngles.t = angleRadians;\n                }\n\n                if (vLimits.end > furthestLimits.b) {\n                    furthestLimits.b = vLimits.end;\n                    furthestAngles.b = angleRadians;\n                }\n            }\n\n            scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles);\n        }\n\n        /**\n         * Helper function to fit a radial linear scale with no point labels\n         */\n        function fit(scale) {\n            var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);\n            scale.drawingArea = Math.round(largestPossibleRadius);\n            scale.setCenterPoint(0, 0, 0, 0);\n        }\n\n        function getTextAlignForAngle(angle) {\n            if (angle === 0 || angle === 180) {\n                return 'center';\n            } else if (angle < 180) {\n                return 'left';\n            }\n\n            return 'right';\n        }\n\n        function fillText(ctx, text, position, fontSize) {\n            if (helpers.isArray(text)) {\n                var y = position.y;\n                var spacing = 1.5 * fontSize;\n\n                for (var i = 0; i < text.length; ++i) {\n                    ctx.fillText(text[i], position.x, y);\n                    y += spacing;\n                }\n            } else {\n                ctx.fillText(text, position.x, position.y);\n            }\n        }\n\n        function adjustPointPositionForLabelHeight(angle, textSize, position) {\n            if (angle === 90 || angle === 270) {\n                position.y -= (textSize.h / 2);\n            } else if (angle > 270 || angle < 90) {\n                position.y -= textSize.h;\n            }\n        }\n\n        function drawPointLabels(scale) {\n            var ctx = scale.ctx;\n            var valueOrDefault = helpers.valueOrDefault;\n            var opts = scale.options;\n            var angleLineOpts = opts.angleLines;\n            var pointLabelOpts = opts.pointLabels;\n\n            ctx.lineWidth = angleLineOpts.lineWidth;\n            ctx.strokeStyle = angleLineOpts.color;\n\n            var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);\n\n            // Point Label Font\n            var plFont = getPointLabelFontOptions(scale);\n\n            ctx.textBaseline = 'top';\n\n            for (var i = getValueCount(scale) - 1; i >= 0; i--) {\n                if (angleLineOpts.display) {\n                    var outerPosition = scale.getPointPosition(i, outerDistance);\n                    ctx.beginPath();\n                    ctx.moveTo(scale.xCenter, scale.yCenter);\n                    ctx.lineTo(outerPosition.x, outerPosition.y);\n                    ctx.stroke();\n                    ctx.closePath();\n                }\n\n                if (pointLabelOpts.display) {\n                    // Extra 3px out for some label spacing\n                    var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5);\n\n                    // Keep this in loop since we may support array properties here\n                    var pointLabelFontColor = valueOrDefault(pointLabelOpts.fontColor, globalDefaults.defaultFontColor);\n                    ctx.font = plFont.font;\n                    ctx.fillStyle = pointLabelFontColor;\n\n                    var angleRadians = scale.getIndexAngle(i);\n                    var angle = helpers.toDegrees(angleRadians);\n                    ctx.textAlign = getTextAlignForAngle(angle);\n                    adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);\n                    fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size);\n                }\n            }\n        }\n\n        function drawRadiusLine(scale, gridLineOpts, radius, index) {\n            var ctx = scale.ctx;\n            ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1);\n            ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1);\n\n            if (scale.options.gridLines.circular) {\n                // Draw circular arcs between the points\n                ctx.beginPath();\n                ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);\n                ctx.closePath();\n                ctx.stroke();\n            } else {\n                // Draw straight lines connecting each index\n                var valueCount = getValueCount(scale);\n\n                if (valueCount === 0) {\n                    return;\n                }\n\n                ctx.beginPath();\n                var pointPosition = scale.getPointPosition(0, radius);\n                ctx.moveTo(pointPosition.x, pointPosition.y);\n\n                for (var i = 1; i < valueCount; i++) {\n                    pointPosition = scale.getPointPosition(i, radius);\n                    ctx.lineTo(pointPosition.x, pointPosition.y);\n                }\n\n                ctx.closePath();\n                ctx.stroke();\n            }\n        }\n\n        function numberOrZero(param) {\n            return helpers.isNumber(param) ? param : 0;\n        }\n\n        var LinearRadialScale = Chart.LinearScaleBase.extend({\n            setDimensions: function() {\n                var me = this;\n                var opts = me.options;\n                var tickOpts = opts.ticks;\n                // Set the unconstrained dimension before label rotation\n                me.width = me.maxWidth;\n                me.height = me.maxHeight;\n                me.xCenter = Math.round(me.width / 2);\n                me.yCenter = Math.round(me.height / 2);\n\n                var minSize = helpers.min([me.height, me.width]);\n                var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2);\n            },\n            determineDataLimits: function() {\n                var me = this;\n                var chart = me.chart;\n                var min = Number.POSITIVE_INFINITY;\n                var max = Number.NEGATIVE_INFINITY;\n\n                helpers.each(chart.data.datasets, function(dataset, datasetIndex) {\n                    if (chart.isDatasetVisible(datasetIndex)) {\n                        var meta = chart.getDatasetMeta(datasetIndex);\n\n                        helpers.each(dataset.data, function(rawValue, index) {\n                            var value = +me.getRightValue(rawValue);\n                            if (isNaN(value) || meta.data[index].hidden) {\n                                return;\n                            }\n\n                            min = Math.min(value, min);\n                            max = Math.max(value, max);\n                        });\n                    }\n                });\n\n                me.min = (min === Number.POSITIVE_INFINITY ? 0 : min);\n                me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);\n\n                // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero\n                me.handleTickRangeOptions();\n            },\n            getTickLimit: function() {\n                var tickOpts = this.options.ticks;\n                var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize)));\n            },\n            convertTicksToLabels: function() {\n                var me = this;\n\n                Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me);\n\n                // Point labels\n                me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me);\n            },\n            getLabelForIndex: function(index, datasetIndex) {\n                return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);\n            },\n            fit: function() {\n                if (this.options.pointLabels.display) {\n                    fitWithPointLabels(this);\n                } else {\n                    fit(this);\n                }\n            },\n            /**\n             * Set radius reductions and determine new radius and center point\n             * @private\n             */\n            setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {\n                var me = this;\n                var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);\n                var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);\n                var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);\n                var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b);\n\n                radiusReductionLeft = numberOrZero(radiusReductionLeft);\n                radiusReductionRight = numberOrZero(radiusReductionRight);\n                radiusReductionTop = numberOrZero(radiusReductionTop);\n                radiusReductionBottom = numberOrZero(radiusReductionBottom);\n\n                me.drawingArea = Math.min(\n                    Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),\n                    Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));\n                me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);\n            },\n            setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {\n                var me = this;\n                var maxRight = me.width - rightMovement - me.drawingArea;\n                var maxLeft = leftMovement + me.drawingArea;\n                var maxTop = topMovement + me.drawingArea;\n                var maxBottom = me.height - bottomMovement - me.drawingArea;\n\n                me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left);\n                me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top);\n            },\n\n            getIndexAngle: function(index) {\n                var angleMultiplier = (Math.PI * 2) / getValueCount(this);\n                var startAngle = this.chart.options && this.chart.options.startAngle ?\n                    this.chart.options.startAngle :\n                    0;\n\n                var startAngleRadians = startAngle * Math.PI * 2 / 360;\n\n                // Start from the top instead of right, so remove a quarter of the circle\n                return index * angleMultiplier + startAngleRadians;\n            },\n            getDistanceFromCenterForValue: function(value) {\n                var me = this;\n\n                if (value === null) {\n                    return 0; // null always in center\n                }\n\n                // Take into account half font size + the yPadding of the top value\n                var scalingFactor = me.drawingArea / (me.max - me.min);\n                if (me.options.ticks.reverse) {\n                    return (me.max - value) * scalingFactor;\n                }\n                return (value - me.min) * scalingFactor;\n            },\n            getPointPosition: function(index, distanceFromCenter) {\n                var me = this;\n                var thisAngle = me.getIndexAngle(index) - (Math.PI / 2);\n                return {\n                    x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter,\n                    y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter\n                };\n            },\n            getPointPositionForValue: function(index, value) {\n                return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));\n            },\n\n            getBasePosition: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n\n                return me.getPointPositionForValue(0,\n                    me.beginAtZero ? 0 :\n                        min < 0 && max < 0 ? max :\n                            min > 0 && max > 0 ? min :\n                                0);\n            },\n\n            draw: function() {\n                var me = this;\n                var opts = me.options;\n                var gridLineOpts = opts.gridLines;\n                var tickOpts = opts.ticks;\n                var valueOrDefault = helpers.valueOrDefault;\n\n                if (opts.display) {\n                    var ctx = me.ctx;\n                    var startAngle = this.getIndexAngle(0);\n\n                    // Tick Font\n                    var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);\n                    var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle);\n                    var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily);\n                    var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);\n\n                    helpers.each(me.ticks, function(label, index) {\n                        // Don't draw a centre value (if it is minimum)\n                        if (index > 0 || tickOpts.reverse) {\n                            var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);\n\n                            // Draw circular lines around the scale\n                            if (gridLineOpts.display && index !== 0) {\n                                drawRadiusLine(me, gridLineOpts, yCenterOffset, index);\n                            }\n\n                            if (tickOpts.display) {\n                                var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor);\n                                ctx.font = tickLabelFont;\n\n                                ctx.save();\n                                ctx.translate(me.xCenter, me.yCenter);\n                                ctx.rotate(startAngle);\n\n                                if (tickOpts.showLabelBackdrop) {\n                                    var labelWidth = ctx.measureText(label).width;\n                                    ctx.fillStyle = tickOpts.backdropColor;\n                                    ctx.fillRect(\n                                        -labelWidth / 2 - tickOpts.backdropPaddingX,\n                                        -yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY,\n                                        labelWidth + tickOpts.backdropPaddingX * 2,\n                                        tickFontSize + tickOpts.backdropPaddingY * 2\n                                    );\n                                }\n\n                                ctx.textAlign = 'center';\n                                ctx.textBaseline = 'middle';\n                                ctx.fillStyle = tickFontColor;\n                                ctx.fillText(label, 0, -yCenterOffset);\n                                ctx.restore();\n                            }\n                        }\n                    });\n\n                    if (opts.angleLines.display || opts.pointLabels.display) {\n                        drawPointLabels(me);\n                    }\n                }\n            }\n        });\n        Chart.scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig);\n\n    };\n\n},{\"25\":25,\"34\":34,\"45\":45}],57:[function(require,module,exports){\n\t/* global window: false */\n    'use strict';\n\n    var moment = require(6);\n    moment = typeof moment === 'function' ? moment : window.moment;\n\n    var defaults = require(25);\n    var helpers = require(45);\n\n// Integer constants are from the ES6 spec.\n    var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;\n    var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;\n\n    var INTERVALS = {\n        millisecond: {\n            major: true,\n            size: 1,\n            steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]\n        },\n        second: {\n            major: true,\n            size: 1000,\n            steps: [1, 2, 5, 10, 30]\n        },\n        minute: {\n            major: true,\n            size: 60000,\n            steps: [1, 2, 5, 10, 30]\n        },\n        hour: {\n            major: true,\n            size: 3600000,\n            steps: [1, 2, 3, 6, 12]\n        },\n        day: {\n            major: true,\n            size: 86400000,\n            steps: [1, 2, 5]\n        },\n        week: {\n            major: false,\n            size: 604800000,\n            steps: [1, 2, 3, 4]\n        },\n        month: {\n            major: true,\n            size: 2.628e9,\n            steps: [1, 2, 3]\n        },\n        quarter: {\n            major: false,\n            size: 7.884e9,\n            steps: [1, 2, 3, 4]\n        },\n        year: {\n            major: true,\n            size: 3.154e10\n        }\n    };\n\n    var UNITS = Object.keys(INTERVALS);\n\n    function sorter(a, b) {\n        return a - b;\n    }\n\n    function arrayUnique(items) {\n        var hash = {};\n        var out = [];\n        var i, ilen, item;\n\n        for (i = 0, ilen = items.length; i < ilen; ++i) {\n            item = items[i];\n            if (!hash[item]) {\n                hash[item] = true;\n                out.push(item);\n            }\n        }\n\n        return out;\n    }\n\n    /**\n     * Returns an array of {time, pos} objects used to interpolate a specific `time` or position\n     * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is\n     * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other\n     * extremity (left + width or top + height). Note that it would be more optimized to directly\n     * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need\n     * to create the lookup table. The table ALWAYS contains at least two items: min and max.\n     *\n     * @param {Number[]} timestamps - timestamps sorted from lowest to highest.\n     * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min\n     * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.\n     * If 'series', timestamps will be positioned at the same distance from each other. In this\n     * case, only timestamps that break the time linearity are registered, meaning that in the\n     * best case, all timestamps are linear, the table contains only min and max.\n     */\n    function buildLookupTable(timestamps, min, max, distribution) {\n        if (distribution === 'linear' || !timestamps.length) {\n            return [\n                {time: min, pos: 0},\n                {time: max, pos: 1}\n            ];\n        }\n\n        var table = [];\n        var items = [min];\n        var i, ilen, prev, curr, next;\n\n        for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n            curr = timestamps[i];\n            if (curr > min && curr < max) {\n                items.push(curr);\n            }\n        }\n\n        items.push(max);\n\n        for (i = 0, ilen = items.length; i < ilen; ++i) {\n            next = items[i + 1];\n            prev = items[i - 1];\n            curr = items[i];\n\n            // only add points that breaks the scale linearity\n            if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {\n                table.push({time: curr, pos: i / (ilen - 1)});\n            }\n        }\n\n        return table;\n    }\n\n// @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/\n    function lookup(table, key, value) {\n        var lo = 0;\n        var hi = table.length - 1;\n        var mid, i0, i1;\n\n        while (lo >= 0 && lo <= hi) {\n            mid = (lo + hi) >> 1;\n            i0 = table[mid - 1] || null;\n            i1 = table[mid];\n\n            if (!i0) {\n                // given value is outside table (before first item)\n                return {lo: null, hi: i1};\n            } else if (i1[key] < value) {\n                lo = mid + 1;\n            } else if (i0[key] > value) {\n                hi = mid - 1;\n            } else {\n                return {lo: i0, hi: i1};\n            }\n        }\n\n        // given value is outside table (after last item)\n        return {lo: i1, hi: null};\n    }\n\n    /**\n     * Linearly interpolates the given source `value` using the table items `skey` values and\n     * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')\n     * returns the position for a timestamp equal to 42. If value is out of bounds, values at\n     * index [0, 1] or [n - 1, n] are used for the interpolation.\n     */\n    function interpolate(table, skey, sval, tkey) {\n        var range = lookup(table, skey, sval);\n\n        // Note: the lookup table ALWAYS contains at least 2 items (min and max)\n        var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;\n        var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;\n\n        var span = next[skey] - prev[skey];\n        var ratio = span ? (sval - prev[skey]) / span : 0;\n        var offset = (next[tkey] - prev[tkey]) * ratio;\n\n        return prev[tkey] + offset;\n    }\n\n    /**\n     * Convert the given value to a moment object using the given time options.\n     * @see http://momentjs.com/docs/#/parsing/\n     */\n    function momentify(value, options) {\n        var parser = options.parser;\n        var format = options.parser || options.format;\n\n        if (typeof parser === 'function') {\n            return parser(value);\n        }\n\n        if (typeof value === 'string' && typeof format === 'string') {\n            return moment(value, format);\n        }\n\n        if (!(value instanceof moment)) {\n            value = moment(value);\n        }\n\n        if (value.isValid()) {\n            return value;\n        }\n\n        // Labels are in an incompatible moment format and no `parser` has been provided.\n        // The user might still use the deprecated `format` option to convert his inputs.\n        if (typeof format === 'function') {\n            return format(value);\n        }\n\n        return value;\n    }\n\n    function parse(input, scale) {\n        if (helpers.isNullOrUndef(input)) {\n            return null;\n        }\n\n        var options = scale.options.time;\n        var value = momentify(scale.getRightValue(input), options);\n        if (!value.isValid()) {\n            return null;\n        }\n\n        if (options.round) {\n            value.startOf(options.round);\n        }\n\n        return value.valueOf();\n    }\n\n    /**\n     * Returns the number of unit to skip to be able to display up to `capacity` number of ticks\n     * in `unit` for the given `min` / `max` range and respecting the interval steps constraints.\n     */\n    function determineStepSize(min, max, unit, capacity) {\n        var range = max - min;\n        var interval = INTERVALS[unit];\n        var milliseconds = interval.size;\n        var steps = interval.steps;\n        var i, ilen, factor;\n\n        if (!steps) {\n            return Math.ceil(range / ((capacity || 1) * milliseconds));\n        }\n\n        for (i = 0, ilen = steps.length; i < ilen; ++i) {\n            factor = steps[i];\n            if (Math.ceil(range / (milliseconds * factor)) <= capacity) {\n                break;\n            }\n        }\n\n        return factor;\n    }\n\n    function determineUnit(minUnit, min, max, capacity) {\n        var ilen = UNITS.length;\n        var i, interval, factor;\n\n        for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {\n            interval = INTERVALS[UNITS[i]];\n            factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER;\n\n            if (Math.ceil((max - min) / (factor * interval.size)) <= capacity) {\n                return UNITS[i];\n            }\n        }\n\n        return UNITS[ilen - 1];\n    }\n\n    function determineMajorUnit(unit) {\n        for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {\n            if (INTERVALS[UNITS[i]].major) {\n                return UNITS[i];\n            }\n        }\n    }\n\n    /**\n     * Generates a maximum of `capacity` timestamps between min and max, rounded to the\n     * `minor` unit, aligned on the `major` unit and using the given scale time `options`.\n     * Important: this method can return ticks outside the min and max range, it's the\n     * responsibility of the calling code to clamp values if needed.\n     */\n    function generate(min, max, minor, major, capacity, options) {\n        var timeOpts = options.time;\n        var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize);\n        var weekday = minor === 'week' ? timeOpts.isoWeekday : false;\n        var majorTicksEnabled = options.ticks.major.enabled;\n        var interval = INTERVALS[minor];\n        var first = moment(min);\n        var last = moment(max);\n        var ticks = [];\n        var time;\n\n        if (!stepSize) {\n            stepSize = determineStepSize(min, max, minor, capacity);\n        }\n\n        // For 'week' unit, handle the first day of week option\n        if (weekday) {\n            first = first.isoWeekday(weekday);\n            last = last.isoWeekday(weekday);\n        }\n\n        // Align first/last ticks on unit\n        first = first.startOf(weekday ? 'day' : minor);\n        last = last.startOf(weekday ? 'day' : minor);\n\n        // Make sure that the last tick include max\n        if (last < max) {\n            last.add(1, minor);\n        }\n\n        time = moment(first);\n\n        if (majorTicksEnabled && major && !weekday && !timeOpts.round) {\n            // Align the first tick on the previous `minor` unit aligned on the `major` unit:\n            // we first aligned time on the previous `major` unit then add the number of full\n            // stepSize there is between first and the previous major time.\n            time.startOf(major);\n            time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor);\n        }\n\n        for (; time < last; time.add(stepSize, minor)) {\n            ticks.push(+time);\n        }\n\n        ticks.push(+time);\n\n        return ticks;\n    }\n\n    /**\n     * Returns the right and left offsets from edges in the form of {left, right}.\n     * Offsets are added when the `offset` option is true.\n     */\n    function computeOffsets(table, ticks, min, max, options) {\n        var left = 0;\n        var right = 0;\n        var upper, lower;\n\n        if (options.offset && ticks.length) {\n            if (!options.time.min) {\n                upper = ticks.length > 1 ? ticks[1] : max;\n                lower = ticks[0];\n                left = (\n                        interpolate(table, 'time', upper, 'pos') -\n                        interpolate(table, 'time', lower, 'pos')\n                    ) / 2;\n            }\n            if (!options.time.max) {\n                upper = ticks[ticks.length - 1];\n                lower = ticks.length > 1 ? ticks[ticks.length - 2] : min;\n                right = (\n                        interpolate(table, 'time', upper, 'pos') -\n                        interpolate(table, 'time', lower, 'pos')\n                    ) / 2;\n            }\n        }\n\n        return {left: left, right: right};\n    }\n\n    function ticksFromTimestamps(values, majorUnit) {\n        var ticks = [];\n        var i, ilen, value, major;\n\n        for (i = 0, ilen = values.length; i < ilen; ++i) {\n            value = values[i];\n            major = majorUnit ? value === +moment(value).startOf(majorUnit) : false;\n\n            ticks.push({\n                value: value,\n                major: major\n            });\n        }\n\n        return ticks;\n    }\n\n    module.exports = function(Chart) {\n\n        var defaultConfig = {\n            position: 'bottom',\n\n            /**\n             * Data distribution along the scale:\n             * - 'linear': data are spread according to their time (distances can vary),\n             * - 'series': data are spread at the same distance from each other.\n             * @see https://github.com/chartjs/Chart.js/pull/4507\n             * @since 2.7.0\n             */\n            distribution: 'linear',\n\n            /**\n             * Scale boundary strategy (bypassed by min/max time options)\n             * - `data`: make sure data are fully visible, ticks outside are removed\n             * - `ticks`: make sure ticks are fully visible, data outside are truncated\n             * @see https://github.com/chartjs/Chart.js/pull/4556\n             * @since 2.7.0\n             */\n            bounds: 'data',\n\n            time: {\n                parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment\n                format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/\n                unit: false, // false == automatic or override with week, month, year, etc.\n                round: false, // none, or override with week, month, year, etc.\n                displayFormat: false, // DEPRECATED\n                isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/\n                minUnit: 'millisecond',\n\n                // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/\n                displayFormats: {\n                    millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM,\n                    second: 'h:mm:ss a', // 11:20:01 AM\n                    minute: 'h:mm a', // 11:20 AM\n                    hour: 'hA', // 5PM\n                    day: 'MMM D', // Sep 4\n                    week: 'll', // Week 46, or maybe \"[W]WW - YYYY\" ?\n                    month: 'MMM YYYY', // Sept 2015\n                    quarter: '[Q]Q - YYYY', // Q3\n                    year: 'YYYY' // 2015\n                },\n            },\n            ticks: {\n                autoSkip: false,\n\n                /**\n                 * Ticks generation input values:\n                 * - 'auto': generates \"optimal\" ticks based on scale size and time options.\n                 * - 'data': generates ticks from data (including labels from data {t|x|y} objects).\n                 * - 'labels': generates ticks from user given `data.labels` values ONLY.\n                 * @see https://github.com/chartjs/Chart.js/pull/4507\n                 * @since 2.7.0\n                 */\n                source: 'auto',\n\n                major: {\n                    enabled: false\n                }\n            }\n        };\n\n        var TimeScale = Chart.Scale.extend({\n            initialize: function() {\n                if (!moment) {\n                    throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com');\n                }\n\n                this.mergeTicksOptions();\n\n                Chart.Scale.prototype.initialize.call(this);\n            },\n\n            update: function() {\n                var me = this;\n                var options = me.options;\n\n                // DEPRECATIONS: output a message only one time per update\n                if (options.time && options.time.format) {\n                    console.warn('options.time.format is deprecated and replaced by options.time.parser.');\n                }\n\n                return Chart.Scale.prototype.update.apply(me, arguments);\n            },\n\n            /**\n             * Allows data to be referenced via 't' attribute\n             */\n            getRightValue: function(rawValue) {\n                if (rawValue && rawValue.t !== undefined) {\n                    rawValue = rawValue.t;\n                }\n                return Chart.Scale.prototype.getRightValue.call(this, rawValue);\n            },\n\n            determineDataLimits: function() {\n                var me = this;\n                var chart = me.chart;\n                var timeOpts = me.options.time;\n                var min = parse(timeOpts.min, me) || MAX_INTEGER;\n                var max = parse(timeOpts.max, me) || MIN_INTEGER;\n                var timestamps = [];\n                var datasets = [];\n                var labels = [];\n                var i, j, ilen, jlen, data, timestamp;\n\n                // Convert labels to timestamps\n                for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) {\n                    labels.push(parse(chart.data.labels[i], me));\n                }\n\n                // Convert data to timestamps\n                for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {\n                    if (chart.isDatasetVisible(i)) {\n                        data = chart.data.datasets[i].data;\n\n                        // Let's consider that all data have the same format.\n                        if (helpers.isObject(data[0])) {\n                            datasets[i] = [];\n\n                            for (j = 0, jlen = data.length; j < jlen; ++j) {\n                                timestamp = parse(data[j], me);\n                                timestamps.push(timestamp);\n                                datasets[i][j] = timestamp;\n                            }\n                        } else {\n                            timestamps.push.apply(timestamps, labels);\n                            datasets[i] = labels.slice(0);\n                        }\n                    } else {\n                        datasets[i] = [];\n                    }\n                }\n\n                if (labels.length) {\n                    // Sort labels **after** data have been converted\n                    labels = arrayUnique(labels).sort(sorter);\n                    min = Math.min(min, labels[0]);\n                    max = Math.max(max, labels[labels.length - 1]);\n                }\n\n                if (timestamps.length) {\n                    timestamps = arrayUnique(timestamps).sort(sorter);\n                    min = Math.min(min, timestamps[0]);\n                    max = Math.max(max, timestamps[timestamps.length - 1]);\n                }\n\n                // In case there is no valid min/max, let's use today limits\n                min = min === MAX_INTEGER ? +moment().startOf('day') : min;\n                max = max === MIN_INTEGER ? +moment().endOf('day') + 1 : max;\n\n                // Make sure that max is strictly higher than min (required by the lookup table)\n                me.min = Math.min(min, max);\n                me.max = Math.max(min + 1, max);\n\n                // PRIVATE\n                me._horizontal = me.isHorizontal();\n                me._table = [];\n                me._timestamps = {\n                    data: timestamps,\n                    datasets: datasets,\n                    labels: labels\n                };\n            },\n\n            buildTicks: function() {\n                var me = this;\n                var min = me.min;\n                var max = me.max;\n                var options = me.options;\n                var timeOpts = options.time;\n                var formats = timeOpts.displayFormats;\n                var capacity = me.getLabelCapacity(min);\n                var unit = timeOpts.unit || determineUnit(timeOpts.minUnit, min, max, capacity);\n                var majorUnit = determineMajorUnit(unit);\n                var timestamps = [];\n                var ticks = [];\n                var i, ilen, timestamp;\n\n                switch (options.ticks.source) {\n                    case 'data':\n                        timestamps = me._timestamps.data;\n                        break;\n                    case 'labels':\n                        timestamps = me._timestamps.labels;\n                        break;\n                    case 'auto':\n                    default:\n                        timestamps = generate(min, max, unit, majorUnit, capacity, options);\n                }\n\n                if (options.bounds === 'ticks' && timestamps.length) {\n                    min = timestamps[0];\n                    max = timestamps[timestamps.length - 1];\n                }\n\n                // Enforce limits with user min/max options\n                min = parse(timeOpts.min, me) || min;\n                max = parse(timeOpts.max, me) || max;\n\n                // Remove ticks outside the min/max range\n                for (i = 0, ilen = timestamps.length; i < ilen; ++i) {\n                    timestamp = timestamps[i];\n                    if (timestamp >= min && timestamp <= max) {\n                        ticks.push(timestamp);\n                    }\n                }\n\n                me.min = min;\n                me.max = max;\n\n                // PRIVATE\n                me._unit = unit;\n                me._majorUnit = majorUnit;\n                me._minorFormat = formats[unit];\n                me._majorFormat = formats[majorUnit];\n                me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution);\n                me._offsets = computeOffsets(me._table, ticks, min, max, options);\n\n                return ticksFromTimestamps(ticks, majorUnit);\n            },\n\n            getLabelForIndex: function(index, datasetIndex) {\n                var me = this;\n                var data = me.chart.data;\n                var timeOpts = me.options.time;\n                var label = data.labels && index < data.labels.length ? data.labels[index] : '';\n                var value = data.datasets[datasetIndex].data[index];\n\n                if (helpers.isObject(value)) {\n                    label = me.getRightValue(value);\n                }\n                if (timeOpts.tooltipFormat) {\n                    label = momentify(label, timeOpts).format(timeOpts.tooltipFormat);\n                }\n\n                return label;\n            },\n\n            /**\n             * Function to format an individual tick mark\n             * @private\n             */\n            tickFormatFunction: function(tick, index, ticks) {\n                var me = this;\n                var options = me.options;\n                var time = tick.valueOf();\n                var majorUnit = me._majorUnit;\n                var majorFormat = me._majorFormat;\n                var majorTime = tick.clone().startOf(me._majorUnit).valueOf();\n                var majorTickOpts = options.ticks.major;\n                var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime;\n                var label = tick.format(major ? majorFormat : me._minorFormat);\n                var tickOpts = major ? majorTickOpts : options.ticks.minor;\n                var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback);\n\n                return formatter ? formatter(label, index, ticks) : label;\n            },\n\n            convertTicksToLabels: function(ticks) {\n                var labels = [];\n                var i, ilen;\n\n                for (i = 0, ilen = ticks.length; i < ilen; ++i) {\n                    labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks));\n                }\n\n                return labels;\n            },\n\n            /**\n             * @private\n             */\n            getPixelForOffset: function(time) {\n                var me = this;\n                var size = me._horizontal ? me.width : me.height;\n                var start = me._horizontal ? me.left : me.top;\n                var pos = interpolate(me._table, 'time', time, 'pos');\n\n                return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right);\n            },\n\n            getPixelForValue: function(value, index, datasetIndex) {\n                var me = this;\n                var time = null;\n\n                if (index !== undefined && datasetIndex !== undefined) {\n                    time = me._timestamps.datasets[datasetIndex][index];\n                }\n\n                if (time === null) {\n                    time = parse(value, me);\n                }\n\n                if (time !== null) {\n                    return me.getPixelForOffset(time);\n                }\n            },\n\n            getPixelForTick: function(index) {\n                var ticks = this.getTicks();\n                return index >= 0 && index < ticks.length ?\n                    this.getPixelForOffset(ticks[index].value) :\n                    null;\n            },\n\n            getValueForPixel: function(pixel) {\n                var me = this;\n                var size = me._horizontal ? me.width : me.height;\n                var start = me._horizontal ? me.left : me.top;\n                var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right;\n                var time = interpolate(me._table, 'pos', pos, 'time');\n\n                return moment(time);\n            },\n\n            /**\n             * Crude approximation of what the label width might be\n             * @private\n             */\n            getLabelWidth: function(label) {\n                var me = this;\n                var ticksOpts = me.options.ticks;\n                var tickLabelWidth = me.ctx.measureText(label).width;\n                var angle = helpers.toRadians(ticksOpts.maxRotation);\n                var cosRotation = Math.cos(angle);\n                var sinRotation = Math.sin(angle);\n                var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize);\n\n                return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation);\n            },\n\n            /**\n             * @private\n             */\n            getLabelCapacity: function(exampleTime) {\n                var me = this;\n\n                me._minorFormat = me.options.time.displayFormats.millisecond;\t// Pick the longest format for guestimation\n\n                var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, []);\n                var tickLabelWidth = me.getLabelWidth(exampleLabel);\n                var innerWidth = me.isHorizontal() ? me.width : me.height;\n\n                return Math.floor(innerWidth / tickLabelWidth);\n            }\n        });\n\n        Chart.scaleService.registerScaleType('time', TimeScale, defaultConfig);\n    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\ No newline at end of file
diff --git a/lib/amd/build/chartjs.min.js b/lib/amd/build/chartjs.min.js
index c48751effc5..cafb6e3ff7d 100644
--- a/lib/amd/build/chartjs.min.js
+++ b/lib/amd/build/chartjs.min.js
@@ -1,2 +1,10 @@
-define ("core/chartjs",["core/chartjs-lazy"],function(a){return a});
-//# sourceMappingURL=chartjs.min.js.map
+/**
+ * Chart.js loader.
+ *
+ * @package    core
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/chartjs",["core/chartjs-lazy"],(function(ChartJS){return ChartJS}));
+
+//# sourceMappingURL=chartjs.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/chartjs.min.js.map b/lib/amd/build/chartjs.min.js.map
index 8e3f9891218..e86b350d4b9 100644
--- a/lib/amd/build/chartjs.min.js.map
+++ b/lib/amd/build/chartjs.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/chartjs.js"],"names":["define","ChartJS"],"mappings":"AAsBAA,OAAM,gBAAC,CAAC,mBAAD,CAAD,CAAwB,SAASC,CAAT,CAAkB,CAC5C,MAAOA,CAAAA,CACV,CAFK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart.js loader.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/chartjs-lazy'], function(ChartJS) {\n    return ChartJS;\n});\n"],"file":"chartjs.min.js"}
\ No newline at end of file
+{"version":3,"file":"chartjs.min.js","sources":["../src/chartjs.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Chart.js loader.\n *\n * @package    core\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/chartjs-lazy'], function(ChartJS) {\n    return ChartJS;\n});\n"],"names":["define","ChartJS"],"mappings":";;;;;;;AAsBAA,sBAAO,CAAC,sBAAsB,SAASC,gBAC5BA"}
\ No newline at end of file
diff --git a/lib/amd/build/checkbox-toggleall.min.js b/lib/amd/build/checkbox-toggleall.min.js
index 7029f5b462f..97640b8de49 100644
--- a/lib/amd/build/checkbox-toggleall.min.js
+++ b/lib/amd/build/checkbox-toggleall.min.js
@@ -1,2 +1,10 @@
-define ("core/checkbox-toggleall",["jquery","core/pubsub"],function(a,b){var c=!1,d={checkboxToggled:"core/checkbox-toggleall:checkboxToggled"},e=function(a,b,c){if(c){return a.find("[data-action=\"toggle\"][data-togglegroup=\""+b+"\"]")}else{return a.find("[data-action=\"toggle\"][data-togglegroup^=\""+b+"\"]")}},f=function(a,b){return e(a,b,!1).filter("[data-toggle=\"slave\"]")},g=function(a,b,c){return e(a,b,c).filter("[data-toggle=\"master\"]")},h=function(a,b){return e(a,b,!0).filter("[data-toggle=\"action\"]")},i=function(b){var c=b.data.root,d=a(b.target),e=d.data("togglegroup"),f;if(d.is(":checkbox")){f=d.is(":checked")}else{f=1===d.data("checkall")}l(c,e,f)},j=function(a,b){var c=f(a,b);if(0<c.length){var d=c.filter(":checked"),e=c.length===d.length;o(a,b,e,!0);n(a,b,!d.length)}},k=function(a){var b=a.split(" "),c=[],d="";b.forEach(function(a){d+=" "+a;c.push(d.trim())});return c},l=function(a,c,e){var g=f(a,c);g.prop("checked",e).trigger("change");var h=g.filter(":checked");o(a,c,e,!1);n(a,c,!h.length);var i=k(c).filter(function(a){return a!==c});i.forEach(function(b){j(a,b)});b.publish(d.checkboxToggled,{root:a,toggleGroupName:c,slaves:g,checkedSlaves:h,anyChecked:e})},m=function(c){var e=c.data.root,g=a(c.target),h=g.data("togglegroup"),i=f(e,h),l=i.filter(":checked"),m=k(h);m.forEach(function(a){j(e,a)});b.publish(d.checkboxToggled,{root:e,toggleGroupName:h,slaves:i,checkedSlaves:l,anyChecked:!!l.length})},n=function(a,b,c){h(a,b).prop("disabled",c)},o=function(b,c,d,e){var f=g(b,c,e);f.prop("checked",d);f.each(function(c,e){e=a(e);var f;if(d){f=e.data("toggle-deselectall")}else{f=e.data("toggle-selectall")}if(e.is(":checkbox")){var g=b.find("[for=\""+e.attr("id")+"\"]");if(g.length){if(g.html()!==f){g.html(f)}}}else{e.text(f);e.data("checkall",d?0:1)}})},p=function(){if(!c){c=!0;var b=a(document.body);b.on("click","[data-action=\"toggle\"][data-toggle=\"master\"]",{root:b},i);b.on("click","[data-action=\"toggle\"][data-toggle=\"slave\"]",{root:b},m)}};return{init:function init(){p()},events:d,setGroupState:function setGroupState(b,c,d){b=a(b);o(b,c,d,!0);l(b,c,d)},updateSlavesFromMasterState:function updateSlavesFromMasterState(b,c){b=a(b);var d=g(b,c,!1),e;if(d.is(":checkbox")){e=d.is(":checked")}else{e=1===d.data("checkall")}l(b,c,e)}}});
-//# sourceMappingURL=checkbox-toggleall.min.js.map
+/**
+ * A module to help with toggle select/deselect all.
+ *
+ * @module     core/checkbox-toggleall
+ * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/checkbox-toggleall",["jquery","core/pubsub"],(function($,PubSub){var registered=!1,events={checkboxToggled:"core/checkbox-toggleall:checkboxToggled"},getToggleGroupElements=function(root,toggleGroup,exactMatch){return exactMatch?root.find('[data-action="toggle"][data-togglegroup="'+toggleGroup+'"]'):root.find('[data-action="toggle"][data-togglegroup^="'+toggleGroup+'"]')},getAllSlaveCheckboxes=function(root,toggleGroup){return getToggleGroupElements(root,toggleGroup,!1).filter('[data-toggle="slave"]')},getControlCheckboxes=function(root,toggleGroup,exactMatch){return getToggleGroupElements(root,toggleGroup,exactMatch).filter('[data-toggle="master"]')},toggleSlavesFromMasters=function(e){var targetState,root=e.data.root,target=$(e.target),toggleGroupName=target.data("togglegroup");targetState=target.is(":checkbox")?target.is(":checked"):1===target.data("checkall"),toggleSlavesToState(root,toggleGroupName,targetState)},toggleMastersAndActionElements=function(root,toggleGroupName){var toggleGroupSlaves=getAllSlaveCheckboxes(root,toggleGroupName);if(toggleGroupSlaves.length>0){var toggleGroupCheckedSlaves=toggleGroupSlaves.filter(":checked"),targetState=toggleGroupSlaves.length===toggleGroupCheckedSlaves.length;setMasterStates(root,toggleGroupName,targetState,!0),setActionElementStates(root,toggleGroupName,!toggleGroupCheckedSlaves.length)}},getToggleGroupLevels=function(toggleGroupName){var toggleGroups=toggleGroupName.split(" "),toggleGroupLevels=[],toggleGroupLevel="";return toggleGroups.forEach((function(toggleGroupName){toggleGroupLevel+=" "+toggleGroupName,toggleGroupLevels.push(toggleGroupLevel.trim())})),toggleGroupLevels},toggleSlavesToState=function(root,toggleGroupName,targetState){var slaves=getAllSlaveCheckboxes(root,toggleGroupName);slaves.prop("checked",targetState).trigger("change");var checkedSlaves=slaves.filter(":checked");setMasterStates(root,toggleGroupName,targetState,!1),setActionElementStates(root,toggleGroupName,!checkedSlaves.length),getToggleGroupLevels(toggleGroupName).filter((function(toggleGroupLevel){return toggleGroupLevel!==toggleGroupName})).forEach((function(toggleGroupLevel){toggleMastersAndActionElements(root,toggleGroupLevel)})),PubSub.publish(events.checkboxToggled,{root:root,toggleGroupName:toggleGroupName,slaves:slaves,checkedSlaves:checkedSlaves,anyChecked:targetState})},toggleMastersFromSlaves=function(e){var root=e.data.root,toggleGroupName=$(e.target).data("togglegroup"),slaves=getAllSlaveCheckboxes(root,toggleGroupName),checkedSlaves=slaves.filter(":checked");getToggleGroupLevels(toggleGroupName).forEach((function(toggleGroupLevel){toggleMastersAndActionElements(root,toggleGroupLevel)})),PubSub.publish(events.checkboxToggled,{root:root,toggleGroupName:toggleGroupName,slaves:slaves,checkedSlaves:checkedSlaves,anyChecked:!!checkedSlaves.length})},setActionElementStates=function(root,toggleGroupName,disableActionElements){(function(root,toggleGroup){return getToggleGroupElements(root,toggleGroup,!0).filter('[data-toggle="action"]')})(root,toggleGroupName).prop("disabled",disableActionElements)},setMasterStates=function(root,toggleGroupName,targetState,exactMatch){var masters=getControlCheckboxes(root,toggleGroupName,exactMatch);masters.prop("checked",targetState),masters.each((function(i,masterElement){var targetString;if(masterElement=$(masterElement),targetString=targetState?masterElement.data("toggle-deselectall"):masterElement.data("toggle-selectall"),masterElement.is(":checkbox")){var masterLabel=root.find('[for="'+masterElement.attr("id")+'"]');masterLabel.length&&masterLabel.html()!==targetString&&masterLabel.html(targetString)}else masterElement.text(targetString),masterElement.data("checkall",targetState?0:1)}))};return{init:function(){!function(){if(!registered){registered=!0;var root=$(document.body);root.on("click",'[data-action="toggle"][data-toggle="master"]',{root:root},toggleSlavesFromMasters),root.on("click",'[data-action="toggle"][data-toggle="slave"]',{root:root},toggleMastersFromSlaves)}}()},events:events,setGroupState:function(root,toggleGroupName,targetState){root=$(root),setMasterStates(root,toggleGroupName,targetState,!0),toggleSlavesToState(root,toggleGroupName,targetState)},updateSlavesFromMasterState:function(root,toggleGroupName){root=$(root);var targetState,target=getControlCheckboxes(root,toggleGroupName,!1);targetState=target.is(":checkbox")?target.is(":checked"):1===target.data("checkall"),toggleSlavesToState(root,toggleGroupName,targetState)}}}));
+
+//# sourceMappingURL=checkbox-toggleall.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/checkbox-toggleall.min.js.map b/lib/amd/build/checkbox-toggleall.min.js.map
index f28f66be75f..adaa9cab2e6 100644
--- a/lib/amd/build/checkbox-toggleall.min.js.map
+++ b/lib/amd/build/checkbox-toggleall.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A module to help with toggle select/deselect all.\n *\n * @module     core/checkbox-toggleall\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/pubsub'], function($, PubSub) {\n\n    /**\n     * Whether event listeners have already been registered.\n     *\n     * @private\n     * @type {boolean}\n     */\n    var registered = false;\n\n    /**\n     * List of custom events that this module publishes.\n     *\n     * @private\n     * @type {{checkboxToggled: string}}\n     */\n    var events = {\n        checkboxToggled: 'core/checkbox-toggleall:checkboxToggled',\n    };\n\n    /**\n     * Fetches elements that are member of a given toggle group.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroup The toggle group name that we're searching form.\n     * @param {boolean} exactMatch Whether we want an exact match we just want to match toggle groups that start with the given\n     *                             toggle group name.\n     * @returns {jQuery} The elements matching the given toggle group.\n     */\n    var getToggleGroupElements = function(root, toggleGroup, exactMatch) {\n        if (exactMatch) {\n            return root.find('[data-action=\"toggle\"][data-togglegroup=\"' + toggleGroup + '\"]');\n        } else {\n            return root.find('[data-action=\"toggle\"][data-togglegroup^=\"' + toggleGroup + '\"]');\n        }\n    };\n\n    /**\n     * Fetches the slave checkboxes for a given toggle group.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroup The toggle group name.\n     * @returns {jQuery} The slave checkboxes belonging to the toggle group.\n     */\n    var getAllSlaveCheckboxes = function(root, toggleGroup) {\n        return getToggleGroupElements(root, toggleGroup, false).filter('[data-toggle=\"slave\"]');\n    };\n\n    /**\n     * Fetches the master elements (checkboxes or buttons) that control the slave checkboxes in a given toggle group.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroup The toggle group name.\n     * @param {boolean} exactMatch\n     * @returns {jQuery} The control elements belonging to the toggle group.\n     */\n    var getControlCheckboxes = function(root, toggleGroup, exactMatch) {\n        return getToggleGroupElements(root, toggleGroup, exactMatch).filter('[data-toggle=\"master\"]');\n    };\n\n    /**\n     * Fetches the action elements that perform actions on the selected checkboxes in a given toggle group.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroup The toggle group name.\n     * @returns {jQuery} The action elements belonging to the toggle group.\n     */\n    var getActionElements = function(root, toggleGroup) {\n        return getToggleGroupElements(root, toggleGroup, true).filter('[data-toggle=\"action\"]');\n    };\n\n    /**\n     * Toggles the slave checkboxes in a given toggle group when a master element in that toggle group is toggled.\n     *\n     * @private\n     * @param {Object} e The event object.\n     */\n    var toggleSlavesFromMasters = function(e) {\n        var root = e.data.root;\n        var target = $(e.target);\n\n        var toggleGroupName = target.data('togglegroup');\n        var targetState;\n        if (target.is(':checkbox')) {\n            targetState = target.is(':checked');\n        } else {\n            targetState = target.data('checkall') === 1;\n        }\n\n        toggleSlavesToState(root, toggleGroupName, targetState);\n    };\n\n    /**\n     * Toggles the slave checkboxes from the masters.\n     *\n     * @param {HTMLElement} root\n     * @param {String} toggleGroupName\n     */\n    var updateSlavesFromMasterState = function(root, toggleGroupName) {\n        // Normalise to jQuery Object.\n        root = $(root);\n\n        var target = getControlCheckboxes(root, toggleGroupName, false);\n        var targetState;\n        if (target.is(':checkbox')) {\n            targetState = target.is(':checked');\n        } else {\n            targetState = target.data('checkall') === 1;\n        }\n\n        toggleSlavesToState(root, toggleGroupName, targetState);\n    };\n\n    /**\n     * Toggles the master checkboxes and action elements in a given toggle group.\n     *\n     * @param {jQuery} root The root jQuery element.\n     * @param {String} toggleGroupName The name of the toggle group\n     */\n    var toggleMastersAndActionElements = function(root, toggleGroupName) {\n        var toggleGroupSlaves = getAllSlaveCheckboxes(root, toggleGroupName);\n        if (toggleGroupSlaves.length > 0) {\n            var toggleGroupCheckedSlaves = toggleGroupSlaves.filter(':checked');\n            var targetState = toggleGroupSlaves.length === toggleGroupCheckedSlaves.length;\n\n            // Make sure to toggle the exact master checkbox in the given toggle group.\n            setMasterStates(root, toggleGroupName, targetState, true);\n            // Enable the action elements if there's at least one checkbox checked in the given toggle group.\n            // Disable otherwise.\n            setActionElementStates(root, toggleGroupName, !toggleGroupCheckedSlaves.length);\n        }\n    };\n\n    /**\n     * Returns an array containing every toggle group level of a given toggle group.\n     *\n     * @param {String} toggleGroupName The name of the toggle group\n     * @return {Array} toggleGroupLevels Array that contains every toggle group level of a given toggle group\n     */\n    var getToggleGroupLevels = function(toggleGroupName) {\n        var toggleGroups = toggleGroupName.split(' ');\n        var toggleGroupLevels = [];\n        var toggleGroupLevel = '';\n\n        toggleGroups.forEach(function(toggleGroupName) {\n            toggleGroupLevel += ' ' + toggleGroupName;\n            toggleGroupLevels.push(toggleGroupLevel.trim());\n        });\n\n        return toggleGroupLevels;\n    };\n\n    /**\n     * Toggles the slave checkboxes to a specific state.\n     *\n     * @param {HTMLElement} root\n     * @param {String} toggleGroupName\n     * @param {Bool} targetState\n     */\n    var toggleSlavesToState = function(root, toggleGroupName, targetState) {\n        var slaves = getAllSlaveCheckboxes(root, toggleGroupName);\n        // Set the slave checkboxes from the masters and manually trigger the native 'change' event.\n        slaves.prop('checked', targetState).trigger('change');\n        // Get all checked slaves after the change of state.\n        var checkedSlaves = slaves.filter(':checked');\n\n        // Toggle the master checkbox in the given toggle group.\n        setMasterStates(root, toggleGroupName, targetState, false);\n        // Enable the action elements if there's at least one checkbox checked in the given toggle group. Disable otherwise.\n        setActionElementStates(root, toggleGroupName, !checkedSlaves.length);\n\n        // Get all toggle group levels and toggle accordingly all parent master checkboxes and action elements from each\n        // level. Exclude the given toggle group (toggleGroupName) as the master checkboxes and action elements from this\n        // level have been already toggled.\n        var toggleGroupLevels = getToggleGroupLevels(toggleGroupName)\n            .filter(toggleGroupLevel => toggleGroupLevel !== toggleGroupName);\n\n        toggleGroupLevels.forEach(function(toggleGroupLevel) {\n            // Toggle the master checkboxes action elements in the given toggle group level.\n            toggleMastersAndActionElements(root, toggleGroupLevel);\n        });\n\n        PubSub.publish(events.checkboxToggled, {\n            root: root,\n            toggleGroupName: toggleGroupName,\n            slaves: slaves,\n            checkedSlaves: checkedSlaves,\n            anyChecked: targetState,\n        });\n    };\n\n    /**\n     * Set the state for an entire group of checkboxes.\n     *\n     * @param {HTMLElement} root\n     * @param {String} toggleGroupName\n     * @param {Bool} targetState\n     */\n    var setGroupState = function(root, toggleGroupName, targetState) {\n        // Normalise to jQuery Object.\n        root = $(root);\n\n        // Set the master and slaves.\n        setMasterStates(root, toggleGroupName, targetState, true);\n        toggleSlavesToState(root, toggleGroupName, targetState);\n    };\n\n    /**\n     * Toggles the master checkboxes in a given toggle group when all or none of the slave checkboxes in the same toggle group\n     * have been selected.\n     *\n     * @private\n     * @param {Object} e The event object.\n     */\n    var toggleMastersFromSlaves = function(e) {\n        var root = e.data.root;\n        var target = $(e.target);\n        var toggleGroupName = target.data('togglegroup');\n        var slaves = getAllSlaveCheckboxes(root, toggleGroupName);\n        var checkedSlaves = slaves.filter(':checked');\n\n        // Get all toggle group levels for the given toggle group and toggle accordingly all master checkboxes\n        // and action elements from each level.\n        var toggleGroupLevels = getToggleGroupLevels(toggleGroupName);\n        toggleGroupLevels.forEach(function(toggleGroupLevel) {\n            // Toggle the master checkboxes action elements in the given toggle group level.\n            toggleMastersAndActionElements(root, toggleGroupLevel);\n        });\n\n        PubSub.publish(events.checkboxToggled, {\n            root: root,\n            toggleGroupName: toggleGroupName,\n            slaves: slaves,\n            checkedSlaves: checkedSlaves,\n            anyChecked: !!checkedSlaves.length,\n        });\n    };\n\n    /**\n     * Enables or disables the action elements.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroupName The toggle group name of the action element(s).\n     * @param {boolean} disableActionElements Whether to disable or to enable the action elements.\n     */\n    var setActionElementStates = function(root, toggleGroupName, disableActionElements) {\n        getActionElements(root, toggleGroupName).prop('disabled', disableActionElements);\n    };\n\n    /**\n     * Selects or deselects the master elements.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroupName The toggle group name of the master element(s).\n     * @param {boolean} targetState Whether to select (true) or deselect (false).\n     * @param {boolean} exactMatch Whether to do an exact match for the toggle group name or not.\n     */\n    var setMasterStates = function(root, toggleGroupName, targetState, exactMatch) {\n        // Set the master checkboxes value and ARIA labels..\n        var masters = getControlCheckboxes(root, toggleGroupName, exactMatch);\n        masters.prop('checked', targetState);\n        masters.each(function(i, masterElement) {\n            masterElement = $(masterElement);\n\n            var targetString;\n            if (targetState) {\n                targetString = masterElement.data('toggle-deselectall');\n            } else {\n                targetString = masterElement.data('toggle-selectall');\n            }\n\n            if (masterElement.is(':checkbox')) {\n                var masterLabel = root.find('[for=\"' + masterElement.attr('id') + '\"]');\n                if (masterLabel.length) {\n                    if (masterLabel.html() !== targetString) {\n                        masterLabel.html(targetString);\n                    }\n                }\n            } else {\n                masterElement.text(targetString);\n                // Set the checkall data attribute.\n                masterElement.data('checkall', targetState ? 0 : 1);\n            }\n        });\n    };\n\n    /**\n     * Registers the event listeners.\n     *\n     * @private\n     */\n    var registerListeners = function() {\n        if (!registered) {\n            registered = true;\n\n            var root = $(document.body);\n            root.on('click', '[data-action=\"toggle\"][data-toggle=\"master\"]', {root: root}, toggleSlavesFromMasters);\n            root.on('click', '[data-action=\"toggle\"][data-toggle=\"slave\"]', {root: root}, toggleMastersFromSlaves);\n        }\n    };\n\n    return {\n        init: function() {\n            registerListeners();\n        },\n        events: events,\n        setGroupState: setGroupState,\n        updateSlavesFromMasterState: updateSlavesFromMasterState,\n    };\n});\n"],"file":"checkbox-toggleall.min.js"}
\ No newline at end of file
+{"version":3,"file":"checkbox-toggleall.min.js","sources":["../src/checkbox-toggleall.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A module to help with toggle select/deselect all.\n *\n * @module     core/checkbox-toggleall\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/pubsub'], function($, PubSub) {\n\n    /**\n     * Whether event listeners have already been registered.\n     *\n     * @private\n     * @type {boolean}\n     */\n    var registered = false;\n\n    /**\n     * List of custom events that this module publishes.\n     *\n     * @private\n     * @type {{checkboxToggled: string}}\n     */\n    var events = {\n        checkboxToggled: 'core/checkbox-toggleall:checkboxToggled',\n    };\n\n    /**\n     * Fetches elements that are member of a given toggle group.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroup The toggle group name that we're searching form.\n     * @param {boolean} exactMatch Whether we want an exact match we just want to match toggle groups that start with the given\n     *                             toggle group name.\n     * @returns {jQuery} The elements matching the given toggle group.\n     */\n    var getToggleGroupElements = function(root, toggleGroup, exactMatch) {\n        if (exactMatch) {\n            return root.find('[data-action=\"toggle\"][data-togglegroup=\"' + toggleGroup + '\"]');\n        } else {\n            return root.find('[data-action=\"toggle\"][data-togglegroup^=\"' + toggleGroup + '\"]');\n        }\n    };\n\n    /**\n     * Fetches the slave checkboxes for a given toggle group.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroup The toggle group name.\n     * @returns {jQuery} The slave checkboxes belonging to the toggle group.\n     */\n    var getAllSlaveCheckboxes = function(root, toggleGroup) {\n        return getToggleGroupElements(root, toggleGroup, false).filter('[data-toggle=\"slave\"]');\n    };\n\n    /**\n     * Fetches the master elements (checkboxes or buttons) that control the slave checkboxes in a given toggle group.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroup The toggle group name.\n     * @param {boolean} exactMatch\n     * @returns {jQuery} The control elements belonging to the toggle group.\n     */\n    var getControlCheckboxes = function(root, toggleGroup, exactMatch) {\n        return getToggleGroupElements(root, toggleGroup, exactMatch).filter('[data-toggle=\"master\"]');\n    };\n\n    /**\n     * Fetches the action elements that perform actions on the selected checkboxes in a given toggle group.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroup The toggle group name.\n     * @returns {jQuery} The action elements belonging to the toggle group.\n     */\n    var getActionElements = function(root, toggleGroup) {\n        return getToggleGroupElements(root, toggleGroup, true).filter('[data-toggle=\"action\"]');\n    };\n\n    /**\n     * Toggles the slave checkboxes in a given toggle group when a master element in that toggle group is toggled.\n     *\n     * @private\n     * @param {Object} e The event object.\n     */\n    var toggleSlavesFromMasters = function(e) {\n        var root = e.data.root;\n        var target = $(e.target);\n\n        var toggleGroupName = target.data('togglegroup');\n        var targetState;\n        if (target.is(':checkbox')) {\n            targetState = target.is(':checked');\n        } else {\n            targetState = target.data('checkall') === 1;\n        }\n\n        toggleSlavesToState(root, toggleGroupName, targetState);\n    };\n\n    /**\n     * Toggles the slave checkboxes from the masters.\n     *\n     * @param {HTMLElement} root\n     * @param {String} toggleGroupName\n     */\n    var updateSlavesFromMasterState = function(root, toggleGroupName) {\n        // Normalise to jQuery Object.\n        root = $(root);\n\n        var target = getControlCheckboxes(root, toggleGroupName, false);\n        var targetState;\n        if (target.is(':checkbox')) {\n            targetState = target.is(':checked');\n        } else {\n            targetState = target.data('checkall') === 1;\n        }\n\n        toggleSlavesToState(root, toggleGroupName, targetState);\n    };\n\n    /**\n     * Toggles the master checkboxes and action elements in a given toggle group.\n     *\n     * @param {jQuery} root The root jQuery element.\n     * @param {String} toggleGroupName The name of the toggle group\n     */\n    var toggleMastersAndActionElements = function(root, toggleGroupName) {\n        var toggleGroupSlaves = getAllSlaveCheckboxes(root, toggleGroupName);\n        if (toggleGroupSlaves.length > 0) {\n            var toggleGroupCheckedSlaves = toggleGroupSlaves.filter(':checked');\n            var targetState = toggleGroupSlaves.length === toggleGroupCheckedSlaves.length;\n\n            // Make sure to toggle the exact master checkbox in the given toggle group.\n            setMasterStates(root, toggleGroupName, targetState, true);\n            // Enable the action elements if there's at least one checkbox checked in the given toggle group.\n            // Disable otherwise.\n            setActionElementStates(root, toggleGroupName, !toggleGroupCheckedSlaves.length);\n        }\n    };\n\n    /**\n     * Returns an array containing every toggle group level of a given toggle group.\n     *\n     * @param {String} toggleGroupName The name of the toggle group\n     * @return {Array} toggleGroupLevels Array that contains every toggle group level of a given toggle group\n     */\n    var getToggleGroupLevels = function(toggleGroupName) {\n        var toggleGroups = toggleGroupName.split(' ');\n        var toggleGroupLevels = [];\n        var toggleGroupLevel = '';\n\n        toggleGroups.forEach(function(toggleGroupName) {\n            toggleGroupLevel += ' ' + toggleGroupName;\n            toggleGroupLevels.push(toggleGroupLevel.trim());\n        });\n\n        return toggleGroupLevels;\n    };\n\n    /**\n     * Toggles the slave checkboxes to a specific state.\n     *\n     * @param {HTMLElement} root\n     * @param {String} toggleGroupName\n     * @param {Bool} targetState\n     */\n    var toggleSlavesToState = function(root, toggleGroupName, targetState) {\n        var slaves = getAllSlaveCheckboxes(root, toggleGroupName);\n        // Set the slave checkboxes from the masters and manually trigger the native 'change' event.\n        slaves.prop('checked', targetState).trigger('change');\n        // Get all checked slaves after the change of state.\n        var checkedSlaves = slaves.filter(':checked');\n\n        // Toggle the master checkbox in the given toggle group.\n        setMasterStates(root, toggleGroupName, targetState, false);\n        // Enable the action elements if there's at least one checkbox checked in the given toggle group. Disable otherwise.\n        setActionElementStates(root, toggleGroupName, !checkedSlaves.length);\n\n        // Get all toggle group levels and toggle accordingly all parent master checkboxes and action elements from each\n        // level. Exclude the given toggle group (toggleGroupName) as the master checkboxes and action elements from this\n        // level have been already toggled.\n        var toggleGroupLevels = getToggleGroupLevels(toggleGroupName)\n            .filter(toggleGroupLevel => toggleGroupLevel !== toggleGroupName);\n\n        toggleGroupLevels.forEach(function(toggleGroupLevel) {\n            // Toggle the master checkboxes action elements in the given toggle group level.\n            toggleMastersAndActionElements(root, toggleGroupLevel);\n        });\n\n        PubSub.publish(events.checkboxToggled, {\n            root: root,\n            toggleGroupName: toggleGroupName,\n            slaves: slaves,\n            checkedSlaves: checkedSlaves,\n            anyChecked: targetState,\n        });\n    };\n\n    /**\n     * Set the state for an entire group of checkboxes.\n     *\n     * @param {HTMLElement} root\n     * @param {String} toggleGroupName\n     * @param {Bool} targetState\n     */\n    var setGroupState = function(root, toggleGroupName, targetState) {\n        // Normalise to jQuery Object.\n        root = $(root);\n\n        // Set the master and slaves.\n        setMasterStates(root, toggleGroupName, targetState, true);\n        toggleSlavesToState(root, toggleGroupName, targetState);\n    };\n\n    /**\n     * Toggles the master checkboxes in a given toggle group when all or none of the slave checkboxes in the same toggle group\n     * have been selected.\n     *\n     * @private\n     * @param {Object} e The event object.\n     */\n    var toggleMastersFromSlaves = function(e) {\n        var root = e.data.root;\n        var target = $(e.target);\n        var toggleGroupName = target.data('togglegroup');\n        var slaves = getAllSlaveCheckboxes(root, toggleGroupName);\n        var checkedSlaves = slaves.filter(':checked');\n\n        // Get all toggle group levels for the given toggle group and toggle accordingly all master checkboxes\n        // and action elements from each level.\n        var toggleGroupLevels = getToggleGroupLevels(toggleGroupName);\n        toggleGroupLevels.forEach(function(toggleGroupLevel) {\n            // Toggle the master checkboxes action elements in the given toggle group level.\n            toggleMastersAndActionElements(root, toggleGroupLevel);\n        });\n\n        PubSub.publish(events.checkboxToggled, {\n            root: root,\n            toggleGroupName: toggleGroupName,\n            slaves: slaves,\n            checkedSlaves: checkedSlaves,\n            anyChecked: !!checkedSlaves.length,\n        });\n    };\n\n    /**\n     * Enables or disables the action elements.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroupName The toggle group name of the action element(s).\n     * @param {boolean} disableActionElements Whether to disable or to enable the action elements.\n     */\n    var setActionElementStates = function(root, toggleGroupName, disableActionElements) {\n        getActionElements(root, toggleGroupName).prop('disabled', disableActionElements);\n    };\n\n    /**\n     * Selects or deselects the master elements.\n     *\n     * @private\n     * @param {jQuery} root The root jQuery element.\n     * @param {string} toggleGroupName The toggle group name of the master element(s).\n     * @param {boolean} targetState Whether to select (true) or deselect (false).\n     * @param {boolean} exactMatch Whether to do an exact match for the toggle group name or not.\n     */\n    var setMasterStates = function(root, toggleGroupName, targetState, exactMatch) {\n        // Set the master checkboxes value and ARIA labels..\n        var masters = getControlCheckboxes(root, toggleGroupName, exactMatch);\n        masters.prop('checked', targetState);\n        masters.each(function(i, masterElement) {\n            masterElement = $(masterElement);\n\n            var targetString;\n            if (targetState) {\n                targetString = masterElement.data('toggle-deselectall');\n            } else {\n                targetString = masterElement.data('toggle-selectall');\n            }\n\n            if (masterElement.is(':checkbox')) {\n                var masterLabel = root.find('[for=\"' + masterElement.attr('id') + '\"]');\n                if (masterLabel.length) {\n                    if (masterLabel.html() !== targetString) {\n                        masterLabel.html(targetString);\n                    }\n                }\n            } else {\n                masterElement.text(targetString);\n                // Set the checkall data attribute.\n                masterElement.data('checkall', targetState ? 0 : 1);\n            }\n        });\n    };\n\n    /**\n     * Registers the event listeners.\n     *\n     * @private\n     */\n    var registerListeners = function() {\n        if (!registered) {\n            registered = true;\n\n            var root = $(document.body);\n            root.on('click', '[data-action=\"toggle\"][data-toggle=\"master\"]', {root: root}, toggleSlavesFromMasters);\n            root.on('click', '[data-action=\"toggle\"][data-toggle=\"slave\"]', {root: root}, toggleMastersFromSlaves);\n        }\n    };\n\n    return {\n        init: function() {\n            registerListeners();\n        },\n        events: events,\n        setGroupState: setGroupState,\n        updateSlavesFromMasterState: updateSlavesFromMasterState,\n    };\n});\n"],"names":["define","$","PubSub","registered","events","checkboxToggled","getToggleGroupElements","root","toggleGroup","exactMatch","find","getAllSlaveCheckboxes","filter","getControlCheckboxes","toggleSlavesFromMasters","e","targetState","data","target","toggleGroupName","is","toggleSlavesToState","toggleMastersAndActionElements","toggleGroupSlaves","length","toggleGroupCheckedSlaves","setMasterStates","setActionElementStates","getToggleGroupLevels","toggleGroups","split","toggleGroupLevels","toggleGroupLevel","forEach","push","trim","slaves","prop","trigger","checkedSlaves","publish","anyChecked","toggleMastersFromSlaves","disableActionElements","getActionElements","masters","each","i","masterElement","targetString","masterLabel","attr","html","text","init","document","body","on","registerListeners","setGroupState","updateSlavesFromMasterState"],"mappings":";;;;;;;AAsBAA,iCAAO,CAAC,SAAU,gBAAgB,SAASC,EAAGC,YAQtCC,YAAa,EAQbC,OAAS,CACTC,gBAAiB,2CAajBC,uBAAyB,SAASC,KAAMC,YAAaC,mBACjDA,WACOF,KAAKG,KAAK,4CAA8CF,YAAc,MAEtED,KAAKG,KAAK,6CAA+CF,YAAc,OAYlFG,sBAAwB,SAASJ,KAAMC,oBAChCF,uBAAuBC,KAAMC,aAAa,GAAOI,OAAO,0BAY/DC,qBAAuB,SAASN,KAAMC,YAAaC,mBAC5CH,uBAAuBC,KAAMC,YAAaC,YAAYG,OAAO,2BAqBpEE,wBAA0B,SAASC,OAK/BC,YAJAT,KAAOQ,EAAEE,KAAKV,KACdW,OAASjB,EAAEc,EAAEG,QAEbC,gBAAkBD,OAAOD,KAAK,eAG9BD,YADAE,OAAOE,GAAG,aACIF,OAAOE,GAAG,YAEkB,IAA5BF,OAAOD,KAAK,YAG9BI,oBAAoBd,KAAMY,gBAAiBH,cA8B3CM,+BAAiC,SAASf,KAAMY,qBAC5CI,kBAAoBZ,sBAAsBJ,KAAMY,oBAChDI,kBAAkBC,OAAS,EAAG,KAC1BC,yBAA2BF,kBAAkBX,OAAO,YACpDI,YAAcO,kBAAkBC,SAAWC,yBAAyBD,OAGxEE,gBAAgBnB,KAAMY,gBAAiBH,aAAa,GAGpDW,uBAAuBpB,KAAMY,iBAAkBM,yBAAyBD,UAU5EI,qBAAuB,SAAST,qBAC5BU,aAAeV,gBAAgBW,MAAM,KACrCC,kBAAoB,GACpBC,iBAAmB,UAEvBH,aAAaI,SAAQ,SAASd,iBAC1Ba,kBAAoB,IAAMb,gBAC1BY,kBAAkBG,KAAKF,iBAAiBG,WAGrCJ,mBAUPV,oBAAsB,SAASd,KAAMY,gBAAiBH,iBAClDoB,OAASzB,sBAAsBJ,KAAMY,iBAEzCiB,OAAOC,KAAK,UAAWrB,aAAasB,QAAQ,cAExCC,cAAgBH,OAAOxB,OAAO,YAGlCc,gBAAgBnB,KAAMY,gBAAiBH,aAAa,GAEpDW,uBAAuBpB,KAAMY,iBAAkBoB,cAAcf,QAKrCI,qBAAqBT,iBACxCP,QAAO,SAAAoB,yBAAoBA,mBAAqBb,mBAEnCc,SAAQ,SAASD,kBAE/BV,+BAA+Bf,KAAMyB,qBAGzC9B,OAAOsC,QAAQpC,OAAOC,gBAAiB,CACnCE,KAAMA,KACNY,gBAAiBA,gBACjBiB,OAAQA,OACRG,cAAeA,cACfE,WAAYzB,eA2BhB0B,wBAA0B,SAAS3B,OAC/BR,KAAOQ,EAAEE,KAAKV,KAEdY,gBADSlB,EAAEc,EAAEG,QACYD,KAAK,eAC9BmB,OAASzB,sBAAsBJ,KAAMY,iBACrCoB,cAAgBH,OAAOxB,OAAO,YAIVgB,qBAAqBT,iBAC3Bc,SAAQ,SAASD,kBAE/BV,+BAA+Bf,KAAMyB,qBAGzC9B,OAAOsC,QAAQpC,OAAOC,gBAAiB,CACnCE,KAAMA,KACNY,gBAAiBA,gBACjBiB,OAAQA,OACRG,cAAeA,cACfE,aAAcF,cAAcf,UAYhCG,uBAAyB,SAASpB,KAAMY,gBAAiBwB,wBAnLrC,SAASpC,KAAMC,oBAC5BF,uBAAuBC,KAAMC,aAAa,GAAMI,OAAO,2BAmL9DgC,CAAkBrC,KAAMY,iBAAiBkB,KAAK,WAAYM,wBAY1DjB,gBAAkB,SAASnB,KAAMY,gBAAiBH,YAAaP,gBAE3DoC,QAAUhC,qBAAqBN,KAAMY,gBAAiBV,YAC1DoC,QAAQR,KAAK,UAAWrB,aACxB6B,QAAQC,MAAK,SAASC,EAAGC,mBAGjBC,gBAFJD,cAAgB/C,EAAE+C,eAIdC,aADAjC,YACegC,cAAc/B,KAAK,sBAEnB+B,cAAc/B,KAAK,oBAGlC+B,cAAc5B,GAAG,aAAc,KAC3B8B,YAAc3C,KAAKG,KAAK,SAAWsC,cAAcG,KAAK,MAAQ,MAC9DD,YAAY1B,QACR0B,YAAYE,SAAWH,cACvBC,YAAYE,KAAKH,mBAIzBD,cAAcK,KAAKJ,cAEnBD,cAAc/B,KAAK,WAAYD,YAAc,EAAI,aAoBtD,CACHsC,KAAM,YAXc,eACfnD,WAAY,CACbA,YAAa,MAETI,KAAON,EAAEsD,SAASC,MACtBjD,KAAKkD,GAAG,QAAS,+CAAgD,CAAClD,KAAMA,MAAOO,yBAC/EP,KAAKkD,GAAG,QAAS,8CAA+C,CAAClD,KAAMA,MAAOmC,0BAM9EgB,IAEJtD,OAAQA,OACRuD,cA9GgB,SAASpD,KAAMY,gBAAiBH,aAEhDT,KAAON,EAAEM,MAGTmB,gBAAgBnB,KAAMY,gBAAiBH,aAAa,GACpDK,oBAAoBd,KAAMY,gBAAiBH,cAyG3C4C,4BAnN8B,SAASrD,KAAMY,iBAE7CZ,KAAON,EAAEM,UAGLS,YADAE,OAASL,qBAAqBN,KAAMY,iBAAiB,GAGrDH,YADAE,OAAOE,GAAG,aACIF,OAAOE,GAAG,YAEkB,IAA5BF,OAAOD,KAAK,YAG9BI,oBAAoBd,KAAMY,gBAAiBH"}
\ No newline at end of file
diff --git a/lib/amd/build/config.min.js b/lib/amd/build/config.min.js
index 66996530576..6914ca68eef 100644
--- a/lib/amd/build/config.min.js
+++ b/lib/amd/build/config.min.js
@@ -1,2 +1,13 @@
-define ("core/config",function(){return M.cfg});
-//# sourceMappingURL=config.min.js.map
+/**
+ * Expose the M.cfg global variable.
+ *
+ * @module     core/config
+ * @class      config
+ * @package    core
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      2.9
+ */
+define("core/config",(function(){return M.cfg}));
+
+//# sourceMappingURL=config.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/config.min.js.map b/lib/amd/build/config.min.js.map
index fe10adc5ef6..09ea41e5c49 100644
--- a/lib/amd/build/config.min.js.map
+++ b/lib/amd/build/config.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/config.js"],"names":["define","M","cfg"],"mappings":"AAyBAA,OAAM,eAAC,UAAW,CAGd,MAAwCC,CAAAA,CAAC,CAACC,GAC7C,CAJK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Expose the M.cfg global variable.\n *\n * @module     core/config\n * @class      config\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(function() {\n\n    // This module exposes only the raw data from M.cfg;\n    return /** @alias module:core/config */ M.cfg;\n});\n"],"file":"config.min.js"}
\ No newline at end of file
+{"version":3,"file":"config.min.js","sources":["../src/config.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Expose the M.cfg global variable.\n *\n * @module     core/config\n * @class      config\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(function() {\n\n    // This module exposes only the raw data from M.cfg;\n    return /** @alias module:core/config */ M.cfg;\n});\n"],"names":["define","M","cfg"],"mappings":";;;;;;;;;;AAyBAA,sBAAO,kBAGqCC,EAAEC"}
\ No newline at end of file
diff --git a/lib/amd/build/custom_interaction_events.min.js b/lib/amd/build/custom_interaction_events.min.js
index 00d449bd8c3..e96ee054269 100644
--- a/lib/amd/build/custom_interaction_events.min.js
+++ b/lib/amd/build/custom_interaction_events.min.js
@@ -1,2 +1,14 @@
-define ("core/custom_interaction_events",["jquery","core/key_codes"],function(a,b){var c={activate:"cie:activate",keyboardActivate:"cie:keyboardactivate",escape:"cie:escape",down:"cie:down",up:"cie:up",home:"cie:home",end:"cie:end",next:"cie:next",previous:"cie:previous",asterix:"cie:asterix",scrollLock:"cie:scrollLock",scrollTop:"cie:scrollTop",scrollBottom:"cie:scrollBottom",ctrlPageUp:"cie:ctrlPageUp",ctrlPageDown:"cie:ctrlPageDown",enter:"cie:enter",accessibleChange:"cie:accessibleChange"},d={},e=function(a,b){b=b||[];if(b.length&&-1!==b.indexOf(a)){return!0}return!1},f=function(a){return a.shiftKey||a.metaKey||a.altKey||a.ctrlKey},g=function(b,c){var e="";if(!c.hasOwnProperty("originalEvent")){e=""+b+c.type+c.timeStamp;if(!d.hasOwnProperty(e)){d[e]=!0;a(c.target).trigger(b,[{originalEvent:c}])}return}e="triggeredCustom_"+b;if(!c.originalEvent.hasOwnProperty(e)){c.originalEvent[e]=!0;a(c.target).trigger(b,[{originalEvent:c}])}},h=function(a,b,c){a.off("keydown."+b).on("keydown."+b,function(a){if(!f(a)){if(a.keyCode==c){g(b,a)}}})},i=function(a){a.off("click.cie.activate").on("click.cie.activate",function(a){g(c.activate,a)});a.off("keydown.cie.activate").on("keydown.cie.activate",function(a){if(!f(a)){if(a.keyCode==b.enter||a.keyCode==b.space){g(c.activate,a)}}})},j=function(a){a.off("keydown.cie.keyboardactivate").on("keydown.cie.keyboardactivate",function(a){if(!f(a)){if(a.keyCode==b.enter||a.keyCode==b.space){g(c.keyboardActivate,a)}}})},k=function(a){h(a,c.escape,b.escape)},l=function(a){h(a,c.down,b.arrowDown)},m=function(a){h(a,c.up,b.arrowUp)},n=function(a){h(a,c.home,b.home)},o=function(a){h(a,c.end,b.end)},p=function(d){var e="rtl"==a("html").attr("dir")?b.arrowLeft:b.arrowRight;h(d,c.next,e)},q=function(d){var e="rtl"==a("html").attr("dir")?b.arrowRight:b.arrowLeft;h(d,c.previous,e)},r=function(a){h(a,c.asterix,b.asterix)},s=function(a){a.off("scroll.cie.scrollTop").on("scroll.cie.scrollTop",function(b){var d=a.scrollTop();if(0===d){g(c.scrollTop,b)}})},t=function(a){a.off("scroll.cie.scrollBottom").on("scroll.cie.scrollBottom",function(b){var d=a.scrollTop(),e=a.innerHeight(),f=a[0].scrollHeight;if(d+e>=f){g(c.scrollBottom,b)}})},u=function(a){a.off("DOMMouseScroll.cie.DOMMouseScrollLock mousewheel.cie.mousewheelLock").on("DOMMouseScroll.cie.DOMMouseScrollLock mousewheel.cie.mousewheelLock",function(b){var d=a.scrollTop(),e=a[0].scrollHeight,f=a.height(),h="DOMMouseScroll"==b.type?-40*b.originalEvent.detail:b.originalEvent.wheelDelta,i=0<h;if(!i&&-h>e-f-d){a.scrollTop(e);b.stopPropagation();b.preventDefault();b.returnValue=!1;g(c.scrollLock,b);return!1}else if(i&&h>d){a.scrollTop(0);b.stopPropagation();b.preventDefault();b.returnValue=!1;g(c.scrollLock,b);return!1}return!0})},v=function(a){a.off("keydown.cie.ctrlpageup").on("keydown.cie.ctrlpageup",function(a){if(a.ctrlKey){if(a.keyCode==b.pageUp){g(c.ctrlPageUp,a)}}})},w=function(a){a.off("keydown.cie.ctrlpagedown").on("keydown.cie.ctrlpagedown",function(a){if(a.ctrlKey){if(a.keyCode==b.pageDown){g(c.ctrlPageDown,a)}}})},x=function(a){h(a,c.enter,b.enter)},y=function(a){var d=-1!==navigator.userAgent.indexOf("Macintosh"),e="ontouchstart"in window||"msMaxTouchPoints"in navigator&&0<navigator.msMaxTouchPoints;if(d||e){a.on("change",function(a){g(c.accessibleChange,a)})}else{var f=function(a){a.dataset.initValue=a.value},h=function(a){if("initValue"in a.dataset){a.value=a.dataset.initValue}},i=function(a){if(!("initValue"in a.target.dataset)){return}if(a.target.value!==a.target.dataset.initValue){a.target.dataset.initValue=a.target.value;g(c.accessibleChange,a)}},j=a.get()[0];j.addEventListener("focus",function(a){f(a.target)},!0);j.addEventListener("blur",function(a){i(a)},!0);a.on("keydown",function(a){if(a.which===b.enter){i(a)}else if(a.which===b.escape){h(a.target);a.target.dataset.ignoreChange=!0}else{a.target.dataset.ignoreChange=!0}});a.on("change",function(a){if(a.target.dataset.ignoreChange){return}i(a)});a.on("keyup",function(a){delete a.target.dataset.ignoreChange});a.on("click",function(a){i(a)})}},z=function(){var a={};a[c.activate]=i;a[c.keyboardActivate]=j;a[c.escape]=k;a[c.down]=l;a[c.up]=m;a[c.home]=n;a[c.end]=o;a[c.next]=p;a[c.previous]=q;a[c.asterix]=r;a[c.scrollLock]=u;a[c.scrollTop]=s;a[c.scrollBottom]=t;a[c.ctrlPageUp]=v;a[c.ctrlPageDown]=w;a[c.enter]=x;a[c.accessibleChange]=y;return a};return{define:function define(b,c){b=a(b);c=c||[];if(!b.length||!c.length){return}a.each(z(),function(a,d){if(e(a,c)){d(b)}})},events:c}});
-//# sourceMappingURL=custom_interaction_events.min.js.map
+/**
+ * This module provides a wrapper to encapsulate a lot of the common combinations of
+ * user interaction we use in Moodle.
+ *
+ * @module     core/custom_interaction_events
+ * @class      custom_interaction_events
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.2
+ */
+define("core/custom_interaction_events",["jquery","core/key_codes"],(function($,keyCodes){var events={activate:"cie:activate",keyboardActivate:"cie:keyboardactivate",escape:"cie:escape",down:"cie:down",up:"cie:up",home:"cie:home",end:"cie:end",next:"cie:next",previous:"cie:previous",asterix:"cie:asterix",scrollLock:"cie:scrollLock",scrollTop:"cie:scrollTop",scrollBottom:"cie:scrollBottom",ctrlPageUp:"cie:ctrlPageUp",ctrlPageDown:"cie:ctrlPageDown",enter:"cie:enter",accessibleChange:"cie:accessibleChange"},triggeredEvents={},isModifierPressed=function(e){return e.shiftKey||e.metaKey||e.altKey||e.ctrlKey},triggerEvent=function(eventName,e){var eventTypeKey="";return e.hasOwnProperty("originalEvent")?(eventTypeKey="triggeredCustom_"+eventName,e.originalEvent.hasOwnProperty(eventTypeKey)?void 0:(e.originalEvent[eventTypeKey]=!0,void $(e.target).trigger(eventName,[{originalEvent:e}]))):(eventTypeKey=""+eventName+e.type+e.timeStamp,void(triggeredEvents.hasOwnProperty(eventTypeKey)||(triggeredEvents[eventTypeKey]=!0,$(e.target).trigger(eventName,[{originalEvent:e}]))))},addKeyboardEvent=function(element,event,keyCode){element.off("keydown."+event).on("keydown."+event,(function(e){isModifierPressed(e)||e.keyCode==keyCode&&triggerEvent(event,e)}))},addActivateListener=function(element){element.off("click.cie.activate").on("click.cie.activate",(function(e){triggerEvent(events.activate,e)})),element.off("keydown.cie.activate").on("keydown.cie.activate",(function(e){isModifierPressed(e)||e.keyCode!=keyCodes.enter&&e.keyCode!=keyCodes.space||triggerEvent(events.activate,e)}))},addKeyboardActivateListener=function(element){element.off("keydown.cie.keyboardactivate").on("keydown.cie.keyboardactivate",(function(e){isModifierPressed(e)||e.keyCode!=keyCodes.enter&&e.keyCode!=keyCodes.space||triggerEvent(events.keyboardActivate,e)}))},addEscapeListener=function(element){addKeyboardEvent(element,events.escape,keyCodes.escape)},addDownListener=function(element){addKeyboardEvent(element,events.down,keyCodes.arrowDown)},addUpListener=function(element){addKeyboardEvent(element,events.up,keyCodes.arrowUp)},addHomeListener=function(element){addKeyboardEvent(element,events.home,keyCodes.home)},addEndListener=function(element){addKeyboardEvent(element,events.end,keyCodes.end)},addNextListener=function(element){var keyCode="rtl"==$("html").attr("dir")?keyCodes.arrowLeft:keyCodes.arrowRight;addKeyboardEvent(element,events.next,keyCode)},addPreviousListener=function(element){var keyCode="rtl"==$("html").attr("dir")?keyCodes.arrowRight:keyCodes.arrowLeft;addKeyboardEvent(element,events.previous,keyCode)},addAsterixListener=function(element){addKeyboardEvent(element,events.asterix,keyCodes.asterix)},addScrollTopListener=function(element){element.off("scroll.cie.scrollTop").on("scroll.cie.scrollTop",(function(e){0===element.scrollTop()&&triggerEvent(events.scrollTop,e)}))},addScrollBottomListener=function(element){element.off("scroll.cie.scrollBottom").on("scroll.cie.scrollBottom",(function(e){element.scrollTop()+element.innerHeight()>=element[0].scrollHeight&&triggerEvent(events.scrollBottom,e)}))},addScrollLockListener=function(element){element.off("DOMMouseScroll.cie.DOMMouseScrollLock mousewheel.cie.mousewheelLock").on("DOMMouseScroll.cie.DOMMouseScrollLock mousewheel.cie.mousewheelLock",(function(e){var scrollTop=element.scrollTop(),scrollHeight=element[0].scrollHeight,height=element.height(),delta="DOMMouseScroll"==e.type?-40*e.originalEvent.detail:e.originalEvent.wheelDelta,up=delta>0;return!up&&-delta>scrollHeight-height-scrollTop?(element.scrollTop(scrollHeight),e.stopPropagation(),e.preventDefault(),e.returnValue=!1,triggerEvent(events.scrollLock,e),!1):!(up&&delta>scrollTop)||(element.scrollTop(0),e.stopPropagation(),e.preventDefault(),e.returnValue=!1,triggerEvent(events.scrollLock,e),!1)}))},addCtrlPageUpListener=function(element){element.off("keydown.cie.ctrlpageup").on("keydown.cie.ctrlpageup",(function(e){e.ctrlKey&&e.keyCode==keyCodes.pageUp&&triggerEvent(events.ctrlPageUp,e)}))},addCtrlPageDownListener=function(element){element.off("keydown.cie.ctrlpagedown").on("keydown.cie.ctrlpagedown",(function(e){e.ctrlKey&&e.keyCode==keyCodes.pageDown&&triggerEvent(events.ctrlPageDown,e)}))},addEnterListener=function(element){addKeyboardEvent(element,events.enter,keyCodes.enter)},addAccessibleChangeListener=function(element){var onMac=-1!==navigator.userAgent.indexOf("Macintosh"),touchEnabled="ontouchstart"in window||"msMaxTouchPoints"in navigator&&navigator.msMaxTouchPoints>0;if(onMac||touchEnabled)element.on("change",(function(e){triggerEvent(events.accessibleChange,e)}));else{var checkAndTriggerAccessibleChange=function(e){"initValue"in e.target.dataset&&e.target.value!==e.target.dataset.initValue&&(e.target.dataset.initValue=e.target.value,triggerEvent(events.accessibleChange,e))},nativeElement=element.get()[0];nativeElement.addEventListener("focus",(function(e){var target;(target=e.target).dataset.initValue=target.value}),!0),nativeElement.addEventListener("blur",(function(e){checkAndTriggerAccessibleChange(e)}),!0),element.on("keydown",(function(e){var target;e.which===keyCodes.enter?checkAndTriggerAccessibleChange(e):e.which===keyCodes.escape?("initValue"in(target=e.target).dataset&&(target.value=target.dataset.initValue),e.target.dataset.ignoreChange=!0):e.target.dataset.ignoreChange=!0})),element.on("change",(function(e){e.target.dataset.ignoreChange||checkAndTriggerAccessibleChange(e)})),element.on("keyup",(function(e){delete e.target.dataset.ignoreChange})),element.on("click",(function(e){checkAndTriggerAccessibleChange(e)}))}};return{define:function(element,include){var handlers;(element=$(element),include=include||[],element.length&&include.length)&&$.each(((handlers={})[events.activate]=addActivateListener,handlers[events.keyboardActivate]=addKeyboardActivateListener,handlers[events.escape]=addEscapeListener,handlers[events.down]=addDownListener,handlers[events.up]=addUpListener,handlers[events.home]=addHomeListener,handlers[events.end]=addEndListener,handlers[events.next]=addNextListener,handlers[events.previous]=addPreviousListener,handlers[events.asterix]=addAsterixListener,handlers[events.scrollLock]=addScrollLockListener,handlers[events.scrollTop]=addScrollTopListener,handlers[events.scrollBottom]=addScrollBottomListener,handlers[events.ctrlPageUp]=addCtrlPageUpListener,handlers[events.ctrlPageDown]=addCtrlPageDownListener,handlers[events.enter]=addEnterListener,handlers[events.accessibleChange]=addAccessibleChangeListener,handlers),(function(eventType,handler){(function(eventType,include){return!(!(include=include||[]).length||-1===include.indexOf(eventType))})(eventType,include)&&handler(element)}))},events:events}}));
+
+//# sourceMappingURL=custom_interaction_events.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/custom_interaction_events.min.js.map b/lib/amd/build/custom_interaction_events.min.js.map
index 6d148be2fc5..b936455b485 100644
--- a/lib/amd/build/custom_interaction_events.min.js.map
+++ b/lib/amd/build/custom_interaction_events.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module provides a wrapper to encapsulate a lot of the common combinations of\n * user interaction we use in Moodle.\n *\n * @module     core/custom_interaction_events\n * @class      custom_interaction_events\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery', 'core/key_codes'], function($, keyCodes) {\n    // The list of events provided by this module. Namespaced to avoid clashes.\n    var events = {\n        activate: 'cie:activate',\n        keyboardActivate: 'cie:keyboardactivate',\n        escape: 'cie:escape',\n        down: 'cie:down',\n        up: 'cie:up',\n        home: 'cie:home',\n        end: 'cie:end',\n        next: 'cie:next',\n        previous: 'cie:previous',\n        asterix: 'cie:asterix',\n        scrollLock: 'cie:scrollLock',\n        scrollTop: 'cie:scrollTop',\n        scrollBottom: 'cie:scrollBottom',\n        ctrlPageUp: 'cie:ctrlPageUp',\n        ctrlPageDown: 'cie:ctrlPageDown',\n        enter: 'cie:enter',\n        accessibleChange: 'cie:accessibleChange',\n    };\n    // Static cache of jQuery events that have been handled. This should\n    // only be populated by JavaScript generated events (which will keep it\n    // fairly small).\n    var triggeredEvents = {};\n\n    /**\n     * Check if the caller has asked for the given event type to be\n     * registered.\n     *\n     * @method shouldAddEvent\n     * @private\n     * @param {string} eventType name of the event (see events above)\n     * @param {array} include the list of events to be added\n     * @return {bool} true if the event should be added, false otherwise.\n     */\n    var shouldAddEvent = function(eventType, include) {\n        include = include || [];\n\n        if (include.length && include.indexOf(eventType) !== -1) {\n            return true;\n        }\n\n        return false;\n    };\n\n    /**\n     * Check if any of the modifier keys have been pressed on the event.\n     *\n     * @method isModifierPressed\n     * @private\n     * @param {event} e jQuery event\n     * @return {bool} true if shift, meta (command on Mac), alt or ctrl are pressed\n     */\n    var isModifierPressed = function(e) {\n        return (e.shiftKey || e.metaKey || e.altKey || e.ctrlKey);\n    };\n\n    /**\n     * Trigger the custom event for the given jQuery event.\n     *\n     * This function will only fire the custom event if one hasn't already been\n     * fired for the jQuery event.\n     *\n     * This is to prevent multiple custom event handlers triggering multiple\n     * custom events for a single jQuery event as it bubbles up the stack.\n     *\n     * @param  {string} eventName The name of the custom event\n     * @param  {event} e          The jQuery event\n     * @return {void}\n     */\n    var triggerEvent = function(eventName, e) {\n        var eventTypeKey = \"\";\n\n        if (!e.hasOwnProperty('originalEvent')) {\n            // This is a jQuery event generated from JavaScript not a browser event so\n            // we need to build the cache key for the event.\n            eventTypeKey = \"\" + eventName + e.type + e.timeStamp;\n\n            if (!triggeredEvents.hasOwnProperty(eventTypeKey)) {\n                // If we haven't seen this jQuery event before then fire a custom\n                // event for it and remember the event for later.\n                triggeredEvents[eventTypeKey] = true;\n                $(e.target).trigger(eventName, [{originalEvent: e}]);\n            }\n            return;\n        }\n\n        eventTypeKey = \"triggeredCustom_\" + eventName;\n        if (!e.originalEvent.hasOwnProperty(eventTypeKey)) {\n            // If this is a jQuery event generated by the browser then set a\n            // property on the original event to track that we've seen it before.\n            // The property is set on the original event because it's the only part\n            // of the jQuery event that is maintained through multiple event handlers.\n            e.originalEvent[eventTypeKey] = true;\n            $(e.target).trigger(eventName, [{originalEvent: e}]);\n            return;\n        }\n    };\n\n    /**\n     * Register a keyboard event that ignores modifier keys.\n     *\n     * @method addKeyboardEvent\n     * @private\n     * @param {object} element A jQuery object of the element to bind events to\n     * @param {string} event The custom interaction event name\n     * @param {int} keyCode The key code.\n     */\n    var addKeyboardEvent = function(element, event, keyCode) {\n        element.off('keydown.' + event).on('keydown.' + event, function(e) {\n            if (!isModifierPressed(e)) {\n                if (e.keyCode == keyCode) {\n                    triggerEvent(event, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the activate event on the given element if it is clicked or the enter\n     * or space key are pressed without a modifier key.\n     *\n     * @method addActivateListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addActivateListener = function(element) {\n        element.off('click.cie.activate').on('click.cie.activate', function(e) {\n            triggerEvent(events.activate, e);\n        });\n        element.off('keydown.cie.activate').on('keydown.cie.activate', function(e) {\n            if (!isModifierPressed(e)) {\n                if (e.keyCode == keyCodes.enter || e.keyCode == keyCodes.space) {\n                    triggerEvent(events.activate, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the keyboard activate event on the given element if the enter\n     * or space key are pressed without a modifier key.\n     *\n     * @method addKeyboardActivateListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addKeyboardActivateListener = function(element) {\n        element.off('keydown.cie.keyboardactivate').on('keydown.cie.keyboardactivate', function(e) {\n            if (!isModifierPressed(e)) {\n                if (e.keyCode == keyCodes.enter || e.keyCode == keyCodes.space) {\n                    triggerEvent(events.keyboardActivate, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the escape event on the given element if the escape key is pressed\n     * without a modifier key.\n     *\n     * @method addEscapeListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addEscapeListener = function(element) {\n        addKeyboardEvent(element, events.escape, keyCodes.escape);\n    };\n\n    /**\n     * Trigger the down event on the given element if the down arrow key is pressed\n     * without a modifier key.\n     *\n     * @method addDownListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addDownListener = function(element) {\n        addKeyboardEvent(element, events.down, keyCodes.arrowDown);\n    };\n\n    /**\n     * Trigger the up event on the given element if the up arrow key is pressed\n     * without a modifier key.\n     *\n     * @method addUpListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addUpListener = function(element) {\n        addKeyboardEvent(element, events.up, keyCodes.arrowUp);\n    };\n\n    /**\n     * Trigger the home event on the given element if the home key is pressed\n     * without a modifier key.\n     *\n     * @method addHomeListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addHomeListener = function(element) {\n        addKeyboardEvent(element, events.home, keyCodes.home);\n    };\n\n    /**\n     * Trigger the end event on the given element if the end key is pressed\n     * without a modifier key.\n     *\n     * @method addEndListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addEndListener = function(element) {\n        addKeyboardEvent(element, events.end, keyCodes.end);\n    };\n\n    /**\n     * Trigger the next event on the given element if the right arrow key is pressed\n     * without a modifier key in LTR mode or left arrow key in RTL mode.\n     *\n     * @method addNextListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addNextListener = function(element) {\n        // Left and right are flipped in RTL mode.\n        var keyCode = $('html').attr('dir') == \"rtl\" ? keyCodes.arrowLeft : keyCodes.arrowRight;\n\n        addKeyboardEvent(element, events.next, keyCode);\n    };\n\n    /**\n     * Trigger the previous event on the given element if the left arrow key is pressed\n     * without a modifier key in LTR mode or right arrow key in RTL mode.\n     *\n     * @method addPreviousListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addPreviousListener = function(element) {\n        // Left and right are flipped in RTL mode.\n        var keyCode = $('html').attr('dir') == \"rtl\" ? keyCodes.arrowRight : keyCodes.arrowLeft;\n\n        addKeyboardEvent(element, events.previous, keyCode);\n    };\n\n    /**\n     * Trigger the asterix event on the given element if the asterix key is pressed\n     * without a modifier key.\n     *\n     * @method addAsterixListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addAsterixListener = function(element) {\n        addKeyboardEvent(element, events.asterix, keyCodes.asterix);\n    };\n\n\n    /**\n     * Trigger the scrollTop event on the given element if the user scrolls to\n     * the top of the given element.\n     *\n     * @method addScrollTopListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addScrollTopListener = function(element) {\n        element.off('scroll.cie.scrollTop').on('scroll.cie.scrollTop', function(e) {\n            var scrollTop = element.scrollTop();\n            if (scrollTop === 0) {\n                triggerEvent(events.scrollTop, e);\n            }\n        });\n    };\n\n    /**\n     * Trigger the scrollBottom event on the given element if the user scrolls to\n     * the bottom of the given element.\n     *\n     * @method addScrollBottomListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addScrollBottomListener = function(element) {\n        element.off('scroll.cie.scrollBottom').on('scroll.cie.scrollBottom', function(e) {\n            var scrollTop = element.scrollTop();\n            var innerHeight = element.innerHeight();\n            var scrollHeight = element[0].scrollHeight;\n\n            if (scrollTop + innerHeight >= scrollHeight) {\n                triggerEvent(events.scrollBottom, e);\n            }\n        });\n    };\n\n    /**\n     * Trigger the scrollLock event on the given element if the user scrolls to\n     * the bottom or top of the given element.\n     *\n     * @method addScrollLockListener\n     * @private\n     * @param {jQuery} element jQuery object to add event listeners to\n     */\n    var addScrollLockListener = function(element) {\n        // Lock mousewheel scrolling within the element to stop the annoying window scroll.\n        element.off('DOMMouseScroll.cie.DOMMouseScrollLock mousewheel.cie.mousewheelLock')\n            .on('DOMMouseScroll.cie.DOMMouseScrollLock mousewheel.cie.mousewheelLock', function(e) {\n                var scrollTop = element.scrollTop();\n                var scrollHeight = element[0].scrollHeight;\n                var height = element.height();\n                var delta = (e.type == 'DOMMouseScroll' ?\n                    e.originalEvent.detail * -40 :\n                    e.originalEvent.wheelDelta);\n                var up = delta > 0;\n\n                if (!up && -delta > scrollHeight - height - scrollTop) {\n                    // Scrolling down past the bottom.\n                    element.scrollTop(scrollHeight);\n                    e.stopPropagation();\n                    e.preventDefault();\n                    e.returnValue = false;\n                    // Fire the scroll lock event.\n                    triggerEvent(events.scrollLock, e);\n\n                    return false;\n                } else if (up && delta > scrollTop) {\n                    // Scrolling up past the top.\n                    element.scrollTop(0);\n                    e.stopPropagation();\n                    e.preventDefault();\n                    e.returnValue = false;\n                    // Fire the scroll lock event.\n                    triggerEvent(events.scrollLock, e);\n\n                    return false;\n                }\n\n                return true;\n            });\n    };\n\n    /**\n     * Trigger the ctrlPageUp event on the given element if the user presses the\n     * control and page up key.\n     *\n     * @method addCtrlPageUpListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addCtrlPageUpListener = function(element) {\n        element.off('keydown.cie.ctrlpageup').on('keydown.cie.ctrlpageup', function(e) {\n            if (e.ctrlKey) {\n                if (e.keyCode == keyCodes.pageUp) {\n                    triggerEvent(events.ctrlPageUp, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the ctrlPageDown event on the given element if the user presses the\n     * control and page down key.\n     *\n     * @method addCtrlPageDownListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addCtrlPageDownListener = function(element) {\n        element.off('keydown.cie.ctrlpagedown').on('keydown.cie.ctrlpagedown', function(e) {\n            if (e.ctrlKey) {\n                if (e.keyCode == keyCodes.pageDown) {\n                    triggerEvent(events.ctrlPageDown, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the enter event on the given element if the enter key is pressed\n     * without a modifier key.\n     *\n     * @method addEnterListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addEnterListener = function(element) {\n        addKeyboardEvent(element, events.enter, keyCodes.enter);\n    };\n\n    /**\n     * Trigger the AccessibleChange event on the given element if the value of the element is changed.\n     *\n     * @method addAccessibleChangeListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addAccessibleChangeListener = function(element) {\n        var onMac = navigator.userAgent.indexOf('Macintosh') !== -1;\n        var touchEnabled = ('ontouchstart' in window) || (('msMaxTouchPoints' in navigator) && (navigator.msMaxTouchPoints > 0));\n        if (onMac || touchEnabled) {\n            // On Mac devices, and touch-enabled devices, the change event seems to be handled correctly and\n            // consistently at this time.\n            element.on('change', function(e) {\n                triggerEvent(events.accessibleChange, e);\n            });\n        } else {\n            // Some browsers have non-normalised behaviour for handling the selection of values in a <select> element.\n            // When using Chrome on Linux (and possibly others), a 'change' event is fired when pressing the Escape key.\n            // When using Firefox on Linux (and possibly others), a 'change' event is fired when navigating through the\n            // list with a keyboard.\n            //\n            // To normalise these behaviours:\n            // - the initial value is stored in a data attribute when focusing the element\n            // - the current value is checked against the stored initial value when and the accessibleChange event fired when:\n            // --- blurring the element\n            // --- the 'Enter' key is pressed\n            // --- the element is clicked\n            // --- the 'change' event is fired, except where it is from a keyboard interaction\n            //\n            // To facilitate the change event keyboard interaction check, the 'keyDown' handler sets a flag to ignore\n            // the change event handler which is unset on the 'keyUp' event.\n            //\n            // Unfortunately we cannot control this entirely as some browsers (Chrome) trigger a change event when\n            // pressign the Escape key, and this is considered to be the correct behaviour.\n            // Chrome https://bugs.chromium.org/p/chromium/issues/detail?id=839717\n            //\n            // Our longer-term solution to this should be to switch away from using <select> boxes as a single-select,\n            // and make use of a dropdown of action links like the Bootstrap Dropdown menu.\n            var setInitialValue = function(target) {\n                target.dataset.initValue = target.value;\n            };\n            var resetToInitialValue = function(target) {\n                if ('initValue' in target.dataset) {\n                    target.value = target.dataset.initValue;\n                }\n            };\n            var checkAndTriggerAccessibleChange = function(e) {\n                if (!('initValue' in e.target.dataset)) {\n                    // Some browsers trigger click before focus, therefore it is possible that initValue is undefined.\n                    // In this case it's likely that it's being focused for the first time and we should therefore not submit.\n                    return;\n                }\n\n                if (e.target.value !== e.target.dataset.initValue) {\n                    // Update the initValue when the event is triggered.\n                    // This means that if the click handler fires before the focus handler on a subsequent interaction\n                    // with the element, the currently dispalyed value will be the best guess current value.\n                    e.target.dataset.initValue = e.target.value;\n                    triggerEvent(events.accessibleChange, e);\n                }\n            };\n            var nativeElement = element.get()[0];\n            // The `focus` and `blur` events do not support bubbling. Use Event Capture instead.\n            nativeElement.addEventListener('focus', function(e) {\n                setInitialValue(e.target);\n            }, true);\n            nativeElement.addEventListener('blur', function(e) {\n                checkAndTriggerAccessibleChange(e);\n            }, true);\n            element.on('keydown', function(e) {\n                if ((e.which === keyCodes.enter)) {\n                    checkAndTriggerAccessibleChange(e);\n                } else if (e.which === keyCodes.escape) {\n                    resetToInitialValue(e.target);\n                    e.target.dataset.ignoreChange = true;\n                } else {\n                    // Firefox triggers a change event when using the keyboard to scroll through the selection.\n                    // Set a data- attribute that the change listener can use to ignore the change event where it was\n                    // generated from a keyboard change such as typing to complete a value, or using arrow keys.\n                    e.target.dataset.ignoreChange = true;\n\n                }\n            });\n            element.on('change', function(e) {\n                if (e.target.dataset.ignoreChange) {\n                    // This change event was triggered from a keyboard change which is not yet complete.\n                    // Do not trigger the accessibleChange event until the selection is completed using the [return]\n                    // key.\n                    return;\n                }\n\n                checkAndTriggerAccessibleChange(e);\n            });\n            element.on('keyup', function(e) {\n                // The key has been lifted. Stop ignoring the change event.\n                delete e.target.dataset.ignoreChange;\n            });\n            element.on('click', function(e) {\n                checkAndTriggerAccessibleChange(e);\n            });\n        }\n    };\n\n    /**\n     * Get the list of events and their handlers.\n     *\n     * @method getHandlers\n     * @private\n     * @return {object} object key of event names and value of handler functions\n     */\n    var getHandlers = function() {\n        var handlers = {};\n\n        handlers[events.activate] = addActivateListener;\n        handlers[events.keyboardActivate] = addKeyboardActivateListener;\n        handlers[events.escape] = addEscapeListener;\n        handlers[events.down] = addDownListener;\n        handlers[events.up] = addUpListener;\n        handlers[events.home] = addHomeListener;\n        handlers[events.end] = addEndListener;\n        handlers[events.next] = addNextListener;\n        handlers[events.previous] = addPreviousListener;\n        handlers[events.asterix] = addAsterixListener;\n        handlers[events.scrollLock] = addScrollLockListener;\n        handlers[events.scrollTop] = addScrollTopListener;\n        handlers[events.scrollBottom] = addScrollBottomListener;\n        handlers[events.ctrlPageUp] = addCtrlPageUpListener;\n        handlers[events.ctrlPageDown] = addCtrlPageDownListener;\n        handlers[events.enter] = addEnterListener;\n        handlers[events.accessibleChange] = addAccessibleChangeListener;\n\n        return handlers;\n    };\n\n    /**\n     * Add all of the listeners on the given element for the requested events.\n     *\n     * @method define\n     * @public\n     * @param {object} element the DOM element to register event listeners on\n     * @param {array} include the array of events to be triggered\n     */\n    var define = function(element, include) {\n        element = $(element);\n        include = include || [];\n\n        if (!element.length || !include.length) {\n            return;\n        }\n\n        $.each(getHandlers(), function(eventType, handler) {\n            if (shouldAddEvent(eventType, include)) {\n                handler(element);\n            }\n        });\n    };\n\n    return /** @module core/custom_interaction_events */ {\n        define: define,\n        events: events,\n    };\n});\n"],"file":"custom_interaction_events.min.js"}
\ No newline at end of file
+{"version":3,"file":"custom_interaction_events.min.js","sources":["../src/custom_interaction_events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module provides a wrapper to encapsulate a lot of the common combinations of\n * user interaction we use in Moodle.\n *\n * @module     core/custom_interaction_events\n * @class      custom_interaction_events\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery', 'core/key_codes'], function($, keyCodes) {\n    // The list of events provided by this module. Namespaced to avoid clashes.\n    var events = {\n        activate: 'cie:activate',\n        keyboardActivate: 'cie:keyboardactivate',\n        escape: 'cie:escape',\n        down: 'cie:down',\n        up: 'cie:up',\n        home: 'cie:home',\n        end: 'cie:end',\n        next: 'cie:next',\n        previous: 'cie:previous',\n        asterix: 'cie:asterix',\n        scrollLock: 'cie:scrollLock',\n        scrollTop: 'cie:scrollTop',\n        scrollBottom: 'cie:scrollBottom',\n        ctrlPageUp: 'cie:ctrlPageUp',\n        ctrlPageDown: 'cie:ctrlPageDown',\n        enter: 'cie:enter',\n        accessibleChange: 'cie:accessibleChange',\n    };\n    // Static cache of jQuery events that have been handled. This should\n    // only be populated by JavaScript generated events (which will keep it\n    // fairly small).\n    var triggeredEvents = {};\n\n    /**\n     * Check if the caller has asked for the given event type to be\n     * registered.\n     *\n     * @method shouldAddEvent\n     * @private\n     * @param {string} eventType name of the event (see events above)\n     * @param {array} include the list of events to be added\n     * @return {bool} true if the event should be added, false otherwise.\n     */\n    var shouldAddEvent = function(eventType, include) {\n        include = include || [];\n\n        if (include.length && include.indexOf(eventType) !== -1) {\n            return true;\n        }\n\n        return false;\n    };\n\n    /**\n     * Check if any of the modifier keys have been pressed on the event.\n     *\n     * @method isModifierPressed\n     * @private\n     * @param {event} e jQuery event\n     * @return {bool} true if shift, meta (command on Mac), alt or ctrl are pressed\n     */\n    var isModifierPressed = function(e) {\n        return (e.shiftKey || e.metaKey || e.altKey || e.ctrlKey);\n    };\n\n    /**\n     * Trigger the custom event for the given jQuery event.\n     *\n     * This function will only fire the custom event if one hasn't already been\n     * fired for the jQuery event.\n     *\n     * This is to prevent multiple custom event handlers triggering multiple\n     * custom events for a single jQuery event as it bubbles up the stack.\n     *\n     * @param  {string} eventName The name of the custom event\n     * @param  {event} e          The jQuery event\n     * @return {void}\n     */\n    var triggerEvent = function(eventName, e) {\n        var eventTypeKey = \"\";\n\n        if (!e.hasOwnProperty('originalEvent')) {\n            // This is a jQuery event generated from JavaScript not a browser event so\n            // we need to build the cache key for the event.\n            eventTypeKey = \"\" + eventName + e.type + e.timeStamp;\n\n            if (!triggeredEvents.hasOwnProperty(eventTypeKey)) {\n                // If we haven't seen this jQuery event before then fire a custom\n                // event for it and remember the event for later.\n                triggeredEvents[eventTypeKey] = true;\n                $(e.target).trigger(eventName, [{originalEvent: e}]);\n            }\n            return;\n        }\n\n        eventTypeKey = \"triggeredCustom_\" + eventName;\n        if (!e.originalEvent.hasOwnProperty(eventTypeKey)) {\n            // If this is a jQuery event generated by the browser then set a\n            // property on the original event to track that we've seen it before.\n            // The property is set on the original event because it's the only part\n            // of the jQuery event that is maintained through multiple event handlers.\n            e.originalEvent[eventTypeKey] = true;\n            $(e.target).trigger(eventName, [{originalEvent: e}]);\n            return;\n        }\n    };\n\n    /**\n     * Register a keyboard event that ignores modifier keys.\n     *\n     * @method addKeyboardEvent\n     * @private\n     * @param {object} element A jQuery object of the element to bind events to\n     * @param {string} event The custom interaction event name\n     * @param {int} keyCode The key code.\n     */\n    var addKeyboardEvent = function(element, event, keyCode) {\n        element.off('keydown.' + event).on('keydown.' + event, function(e) {\n            if (!isModifierPressed(e)) {\n                if (e.keyCode == keyCode) {\n                    triggerEvent(event, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the activate event on the given element if it is clicked or the enter\n     * or space key are pressed without a modifier key.\n     *\n     * @method addActivateListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addActivateListener = function(element) {\n        element.off('click.cie.activate').on('click.cie.activate', function(e) {\n            triggerEvent(events.activate, e);\n        });\n        element.off('keydown.cie.activate').on('keydown.cie.activate', function(e) {\n            if (!isModifierPressed(e)) {\n                if (e.keyCode == keyCodes.enter || e.keyCode == keyCodes.space) {\n                    triggerEvent(events.activate, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the keyboard activate event on the given element if the enter\n     * or space key are pressed without a modifier key.\n     *\n     * @method addKeyboardActivateListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addKeyboardActivateListener = function(element) {\n        element.off('keydown.cie.keyboardactivate').on('keydown.cie.keyboardactivate', function(e) {\n            if (!isModifierPressed(e)) {\n                if (e.keyCode == keyCodes.enter || e.keyCode == keyCodes.space) {\n                    triggerEvent(events.keyboardActivate, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the escape event on the given element if the escape key is pressed\n     * without a modifier key.\n     *\n     * @method addEscapeListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addEscapeListener = function(element) {\n        addKeyboardEvent(element, events.escape, keyCodes.escape);\n    };\n\n    /**\n     * Trigger the down event on the given element if the down arrow key is pressed\n     * without a modifier key.\n     *\n     * @method addDownListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addDownListener = function(element) {\n        addKeyboardEvent(element, events.down, keyCodes.arrowDown);\n    };\n\n    /**\n     * Trigger the up event on the given element if the up arrow key is pressed\n     * without a modifier key.\n     *\n     * @method addUpListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addUpListener = function(element) {\n        addKeyboardEvent(element, events.up, keyCodes.arrowUp);\n    };\n\n    /**\n     * Trigger the home event on the given element if the home key is pressed\n     * without a modifier key.\n     *\n     * @method addHomeListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addHomeListener = function(element) {\n        addKeyboardEvent(element, events.home, keyCodes.home);\n    };\n\n    /**\n     * Trigger the end event on the given element if the end key is pressed\n     * without a modifier key.\n     *\n     * @method addEndListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addEndListener = function(element) {\n        addKeyboardEvent(element, events.end, keyCodes.end);\n    };\n\n    /**\n     * Trigger the next event on the given element if the right arrow key is pressed\n     * without a modifier key in LTR mode or left arrow key in RTL mode.\n     *\n     * @method addNextListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addNextListener = function(element) {\n        // Left and right are flipped in RTL mode.\n        var keyCode = $('html').attr('dir') == \"rtl\" ? keyCodes.arrowLeft : keyCodes.arrowRight;\n\n        addKeyboardEvent(element, events.next, keyCode);\n    };\n\n    /**\n     * Trigger the previous event on the given element if the left arrow key is pressed\n     * without a modifier key in LTR mode or right arrow key in RTL mode.\n     *\n     * @method addPreviousListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addPreviousListener = function(element) {\n        // Left and right are flipped in RTL mode.\n        var keyCode = $('html').attr('dir') == \"rtl\" ? keyCodes.arrowRight : keyCodes.arrowLeft;\n\n        addKeyboardEvent(element, events.previous, keyCode);\n    };\n\n    /**\n     * Trigger the asterix event on the given element if the asterix key is pressed\n     * without a modifier key.\n     *\n     * @method addAsterixListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addAsterixListener = function(element) {\n        addKeyboardEvent(element, events.asterix, keyCodes.asterix);\n    };\n\n\n    /**\n     * Trigger the scrollTop event on the given element if the user scrolls to\n     * the top of the given element.\n     *\n     * @method addScrollTopListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addScrollTopListener = function(element) {\n        element.off('scroll.cie.scrollTop').on('scroll.cie.scrollTop', function(e) {\n            var scrollTop = element.scrollTop();\n            if (scrollTop === 0) {\n                triggerEvent(events.scrollTop, e);\n            }\n        });\n    };\n\n    /**\n     * Trigger the scrollBottom event on the given element if the user scrolls to\n     * the bottom of the given element.\n     *\n     * @method addScrollBottomListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addScrollBottomListener = function(element) {\n        element.off('scroll.cie.scrollBottom').on('scroll.cie.scrollBottom', function(e) {\n            var scrollTop = element.scrollTop();\n            var innerHeight = element.innerHeight();\n            var scrollHeight = element[0].scrollHeight;\n\n            if (scrollTop + innerHeight >= scrollHeight) {\n                triggerEvent(events.scrollBottom, e);\n            }\n        });\n    };\n\n    /**\n     * Trigger the scrollLock event on the given element if the user scrolls to\n     * the bottom or top of the given element.\n     *\n     * @method addScrollLockListener\n     * @private\n     * @param {jQuery} element jQuery object to add event listeners to\n     */\n    var addScrollLockListener = function(element) {\n        // Lock mousewheel scrolling within the element to stop the annoying window scroll.\n        element.off('DOMMouseScroll.cie.DOMMouseScrollLock mousewheel.cie.mousewheelLock')\n            .on('DOMMouseScroll.cie.DOMMouseScrollLock mousewheel.cie.mousewheelLock', function(e) {\n                var scrollTop = element.scrollTop();\n                var scrollHeight = element[0].scrollHeight;\n                var height = element.height();\n                var delta = (e.type == 'DOMMouseScroll' ?\n                    e.originalEvent.detail * -40 :\n                    e.originalEvent.wheelDelta);\n                var up = delta > 0;\n\n                if (!up && -delta > scrollHeight - height - scrollTop) {\n                    // Scrolling down past the bottom.\n                    element.scrollTop(scrollHeight);\n                    e.stopPropagation();\n                    e.preventDefault();\n                    e.returnValue = false;\n                    // Fire the scroll lock event.\n                    triggerEvent(events.scrollLock, e);\n\n                    return false;\n                } else if (up && delta > scrollTop) {\n                    // Scrolling up past the top.\n                    element.scrollTop(0);\n                    e.stopPropagation();\n                    e.preventDefault();\n                    e.returnValue = false;\n                    // Fire the scroll lock event.\n                    triggerEvent(events.scrollLock, e);\n\n                    return false;\n                }\n\n                return true;\n            });\n    };\n\n    /**\n     * Trigger the ctrlPageUp event on the given element if the user presses the\n     * control and page up key.\n     *\n     * @method addCtrlPageUpListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addCtrlPageUpListener = function(element) {\n        element.off('keydown.cie.ctrlpageup').on('keydown.cie.ctrlpageup', function(e) {\n            if (e.ctrlKey) {\n                if (e.keyCode == keyCodes.pageUp) {\n                    triggerEvent(events.ctrlPageUp, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the ctrlPageDown event on the given element if the user presses the\n     * control and page down key.\n     *\n     * @method addCtrlPageDownListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addCtrlPageDownListener = function(element) {\n        element.off('keydown.cie.ctrlpagedown').on('keydown.cie.ctrlpagedown', function(e) {\n            if (e.ctrlKey) {\n                if (e.keyCode == keyCodes.pageDown) {\n                    triggerEvent(events.ctrlPageDown, e);\n                }\n            }\n        });\n    };\n\n    /**\n     * Trigger the enter event on the given element if the enter key is pressed\n     * without a modifier key.\n     *\n     * @method addEnterListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addEnterListener = function(element) {\n        addKeyboardEvent(element, events.enter, keyCodes.enter);\n    };\n\n    /**\n     * Trigger the AccessibleChange event on the given element if the value of the element is changed.\n     *\n     * @method addAccessibleChangeListener\n     * @private\n     * @param {object} element jQuery object to add event listeners to\n     */\n    var addAccessibleChangeListener = function(element) {\n        var onMac = navigator.userAgent.indexOf('Macintosh') !== -1;\n        var touchEnabled = ('ontouchstart' in window) || (('msMaxTouchPoints' in navigator) && (navigator.msMaxTouchPoints > 0));\n        if (onMac || touchEnabled) {\n            // On Mac devices, and touch-enabled devices, the change event seems to be handled correctly and\n            // consistently at this time.\n            element.on('change', function(e) {\n                triggerEvent(events.accessibleChange, e);\n            });\n        } else {\n            // Some browsers have non-normalised behaviour for handling the selection of values in a <select> element.\n            // When using Chrome on Linux (and possibly others), a 'change' event is fired when pressing the Escape key.\n            // When using Firefox on Linux (and possibly others), a 'change' event is fired when navigating through the\n            // list with a keyboard.\n            //\n            // To normalise these behaviours:\n            // - the initial value is stored in a data attribute when focusing the element\n            // - the current value is checked against the stored initial value when and the accessibleChange event fired when:\n            // --- blurring the element\n            // --- the 'Enter' key is pressed\n            // --- the element is clicked\n            // --- the 'change' event is fired, except where it is from a keyboard interaction\n            //\n            // To facilitate the change event keyboard interaction check, the 'keyDown' handler sets a flag to ignore\n            // the change event handler which is unset on the 'keyUp' event.\n            //\n            // Unfortunately we cannot control this entirely as some browsers (Chrome) trigger a change event when\n            // pressign the Escape key, and this is considered to be the correct behaviour.\n            // Chrome https://bugs.chromium.org/p/chromium/issues/detail?id=839717\n            //\n            // Our longer-term solution to this should be to switch away from using <select> boxes as a single-select,\n            // and make use of a dropdown of action links like the Bootstrap Dropdown menu.\n            var setInitialValue = function(target) {\n                target.dataset.initValue = target.value;\n            };\n            var resetToInitialValue = function(target) {\n                if ('initValue' in target.dataset) {\n                    target.value = target.dataset.initValue;\n                }\n            };\n            var checkAndTriggerAccessibleChange = function(e) {\n                if (!('initValue' in e.target.dataset)) {\n                    // Some browsers trigger click before focus, therefore it is possible that initValue is undefined.\n                    // In this case it's likely that it's being focused for the first time and we should therefore not submit.\n                    return;\n                }\n\n                if (e.target.value !== e.target.dataset.initValue) {\n                    // Update the initValue when the event is triggered.\n                    // This means that if the click handler fires before the focus handler on a subsequent interaction\n                    // with the element, the currently dispalyed value will be the best guess current value.\n                    e.target.dataset.initValue = e.target.value;\n                    triggerEvent(events.accessibleChange, e);\n                }\n            };\n            var nativeElement = element.get()[0];\n            // The `focus` and `blur` events do not support bubbling. Use Event Capture instead.\n            nativeElement.addEventListener('focus', function(e) {\n                setInitialValue(e.target);\n            }, true);\n            nativeElement.addEventListener('blur', function(e) {\n                checkAndTriggerAccessibleChange(e);\n            }, true);\n            element.on('keydown', function(e) {\n                if ((e.which === keyCodes.enter)) {\n                    checkAndTriggerAccessibleChange(e);\n                } else if (e.which === keyCodes.escape) {\n                    resetToInitialValue(e.target);\n                    e.target.dataset.ignoreChange = true;\n                } else {\n                    // Firefox triggers a change event when using the keyboard to scroll through the selection.\n                    // Set a data- attribute that the change listener can use to ignore the change event where it was\n                    // generated from a keyboard change such as typing to complete a value, or using arrow keys.\n                    e.target.dataset.ignoreChange = true;\n\n                }\n            });\n            element.on('change', function(e) {\n                if (e.target.dataset.ignoreChange) {\n                    // This change event was triggered from a keyboard change which is not yet complete.\n                    // Do not trigger the accessibleChange event until the selection is completed using the [return]\n                    // key.\n                    return;\n                }\n\n                checkAndTriggerAccessibleChange(e);\n            });\n            element.on('keyup', function(e) {\n                // The key has been lifted. Stop ignoring the change event.\n                delete e.target.dataset.ignoreChange;\n            });\n            element.on('click', function(e) {\n                checkAndTriggerAccessibleChange(e);\n            });\n        }\n    };\n\n    /**\n     * Get the list of events and their handlers.\n     *\n     * @method getHandlers\n     * @private\n     * @return {object} object key of event names and value of handler functions\n     */\n    var getHandlers = function() {\n        var handlers = {};\n\n        handlers[events.activate] = addActivateListener;\n        handlers[events.keyboardActivate] = addKeyboardActivateListener;\n        handlers[events.escape] = addEscapeListener;\n        handlers[events.down] = addDownListener;\n        handlers[events.up] = addUpListener;\n        handlers[events.home] = addHomeListener;\n        handlers[events.end] = addEndListener;\n        handlers[events.next] = addNextListener;\n        handlers[events.previous] = addPreviousListener;\n        handlers[events.asterix] = addAsterixListener;\n        handlers[events.scrollLock] = addScrollLockListener;\n        handlers[events.scrollTop] = addScrollTopListener;\n        handlers[events.scrollBottom] = addScrollBottomListener;\n        handlers[events.ctrlPageUp] = addCtrlPageUpListener;\n        handlers[events.ctrlPageDown] = addCtrlPageDownListener;\n        handlers[events.enter] = addEnterListener;\n        handlers[events.accessibleChange] = addAccessibleChangeListener;\n\n        return handlers;\n    };\n\n    /**\n     * Add all of the listeners on the given element for the requested events.\n     *\n     * @method define\n     * @public\n     * @param {object} element the DOM element to register event listeners on\n     * @param {array} include the array of events to be triggered\n     */\n    var define = function(element, include) {\n        element = $(element);\n        include = include || [];\n\n        if (!element.length || 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diff --git a/lib/amd/build/dragdrop.min.js b/lib/amd/build/dragdrop.min.js
index 4bff458af3c..d35459a882c 100644
--- a/lib/amd/build/dragdrop.min.js
+++ b/lib/amd/build/dragdrop.min.js
@@ -1,2 +1,17 @@
-define ("core/dragdrop",["jquery","core/autoscroll"],function(a,b){var c={eventCaptureOptions:{passive:!1,capture:!0},dragProxy:null,onMove:null,onDrop:null,initialPosition:null,initialX:null,initialY:null,touching:null,prepare:function prepare(a){a.preventDefault();var b;if("touchstart"===a.type){b=null===c.touching&&0<a.changedTouches.length}else{b=1===a.which}if(b){var d=c.getEventXY(a);d.start=!0;return d}else{return{start:!1}}},start:function start(a,d,e,f){var g=c.getEventXY(a);c.initialX=g.x;c.initialY=g.y;c.initialPosition=d.offset();c.dragProxy=d;c.onMove=e;c.onDrop=f;switch(a.type){case"mousedown":c.addEventSpecial("mousemove",c.mouseMove);c.addEventSpecial("mouseup",c.mouseUp);break;case"touchstart":c.addEventSpecial("touchend",c.touchEnd);c.addEventSpecial("touchcancel",c.touchEnd);c.addEventSpecial("touchmove",c.touchMove);c.touching=a.changedTouches[0].identifier;break;default:throw new Error("Unexpected event type: "+a.type);}b.start(c.scroll)},addEventSpecial:function addEventSpecial(a,b){try{window.addEventListener(a,b,c.eventCaptureOptions)}catch(d){c.eventCaptureOptions=!0;window.addEventListener(a,b,c.eventCaptureOptions)}},getEventXY:function getEventXY(a){switch(a.type){case"touchstart":return{x:a.changedTouches[0].pageX,y:a.changedTouches[0].pageY};case"mousedown":return{x:a.pageX,y:a.pageY};default:throw new Error("Unexpected event type: "+a.type);}},touchMove:function touchMove(a){a.preventDefault();for(var b=0;b<a.changedTouches.length;b++){if(a.changedTouches[b].identifier===c.touching){c.handleMove(a.changedTouches[b].pageX,a.changedTouches[b].pageY)}}},mouseMove:function mouseMove(a){c.handleMove(a.pageX,a.pageY)},handleMove:function handleMove(b,d){var e=c.dragProxy.offset(),f=e.top-parseInt(c.dragProxy.css("top")),g=e.left-parseInt(c.dragProxy.css("left")),h=a(document).height()-c.dragProxy.outerHeight()-f,i=a(document).width()-c.dragProxy.outerWidth()-g,j=c.initialPosition,k={top:Math.max(-f,Math.min(h,j.top+(d-c.initialY)-f)),left:Math.max(-g,Math.min(i,j.left+(b-c.initialX)-g))};c.dragProxy.css(k);c.onMove(b,d,c.dragProxy)},touchEnd:function touchEnd(a){a.preventDefault();for(var b=0;b<a.changedTouches.length;b++){if(a.changedTouches[b].identifier===c.touching){c.handleEnd(a.changedTouches[b].pageX,a.changedTouches[b].pageY)}}},mouseUp:function mouseUp(a){c.handleEnd(a.pageX,a.pageY)},handleEnd:function handleEnd(a,d){if(null!==c.touching){window.removeEventListener("touchend",c.touchEnd,c.eventCaptureOptions);window.removeEventListener("touchcancel",c.touchEnd,c.eventCaptureOptions);window.removeEventListener("touchmove",c.touchMove,c.eventCaptureOptions);c.touching=null}else{window.removeEventListener("mousemove",c.mouseMove,c.eventCaptureOptions);window.removeEventListener("mouseup",c.mouseUp,c.eventCaptureOptions)}b.stop();c.onDrop(a,d,c.dragProxy)},scroll:function scroll(b){var d=a(document).height()-c.dragProxy.outerHeight(),e=c.dragProxy.offset();e.top=Math.min(d,e.top+b);c.dragProxy.css(e)}};return{prepare:c.prepare,start:c.start}});
-//# sourceMappingURL=dragdrop.min.js.map
+/*
+ * JavaScript to handle drag operations, including automatic scrolling.
+ *
+ * Note: this module is defined statically. It is a singleton. You
+ * can only have one use of it active at any time. However, you
+ * can only drag one thing at a time, this is not a problem in practice.
+ *
+ * @module     core/dragdrop
+ * @class      dragdrop
+ * @package    core
+ * @copyright  2016 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.6
+ */
+define("core/dragdrop",["jquery","core/autoscroll"],(function($,autoScroll){var dragdrop={eventCaptureOptions:{passive:!1,capture:!0},dragProxy:null,onMove:null,onDrop:null,initialPosition:null,initialX:null,initialY:null,touching:null,prepare:function(event){if(event.preventDefault(),"touchstart"===event.type?null===dragdrop.touching&&event.changedTouches.length>0:1===event.which){var details=dragdrop.getEventXY(event);return details.start=!0,details}return{start:!1}},start:function(event,dragProxy,onMove,onDrop){var xy=dragdrop.getEventXY(event);switch(dragdrop.initialX=xy.x,dragdrop.initialY=xy.y,dragdrop.initialPosition=dragProxy.offset(),dragdrop.dragProxy=dragProxy,dragdrop.onMove=onMove,dragdrop.onDrop=onDrop,event.type){case"mousedown":dragdrop.addEventSpecial("mousemove",dragdrop.mouseMove),dragdrop.addEventSpecial("mouseup",dragdrop.mouseUp);break;case"touchstart":dragdrop.addEventSpecial("touchend",dragdrop.touchEnd),dragdrop.addEventSpecial("touchcancel",dragdrop.touchEnd),dragdrop.addEventSpecial("touchmove",dragdrop.touchMove),dragdrop.touching=event.changedTouches[0].identifier;break;default:throw new Error("Unexpected event type: "+event.type)}autoScroll.start(dragdrop.scroll)},addEventSpecial:function(event,handler){try{window.addEventListener(event,handler,dragdrop.eventCaptureOptions)}catch(ex){dragdrop.eventCaptureOptions=!0,window.addEventListener(event,handler,dragdrop.eventCaptureOptions)}},getEventXY:function(event){switch(event.type){case"touchstart":return{x:event.changedTouches[0].pageX,y:event.changedTouches[0].pageY};case"mousedown":return{x:event.pageX,y:event.pageY};default:throw new Error("Unexpected event type: "+event.type)}},touchMove:function(e){e.preventDefault();for(var i=0;i<e.changedTouches.length;i++)e.changedTouches[i].identifier===dragdrop.touching&&dragdrop.handleMove(e.changedTouches[i].pageX,e.changedTouches[i].pageY)},mouseMove:function(e){dragdrop.handleMove(e.pageX,e.pageY)},handleMove:function(pageX,pageY){var current=dragdrop.dragProxy.offset(),topOffset=current.top-parseInt(dragdrop.dragProxy.css("top")),leftOffset=current.left-parseInt(dragdrop.dragProxy.css("left")),maxY=$(document).height()-dragdrop.dragProxy.outerHeight()-topOffset,maxX=$(document).width()-dragdrop.dragProxy.outerWidth()-leftOffset,minY=-topOffset,minX=-leftOffset,initial=dragdrop.initialPosition,position={top:Math.max(minY,Math.min(maxY,initial.top+(pageY-dragdrop.initialY)-topOffset)),left:Math.max(minX,Math.min(maxX,initial.left+(pageX-dragdrop.initialX)-leftOffset))};dragdrop.dragProxy.css(position),dragdrop.onMove(pageX,pageY,dragdrop.dragProxy)},touchEnd:function(e){e.preventDefault();for(var i=0;i<e.changedTouches.length;i++)e.changedTouches[i].identifier===dragdrop.touching&&dragdrop.handleEnd(e.changedTouches[i].pageX,e.changedTouches[i].pageY)},mouseUp:function(e){dragdrop.handleEnd(e.pageX,e.pageY)},handleEnd:function(pageX,pageY){null!==dragdrop.touching?(window.removeEventListener("touchend",dragdrop.touchEnd,dragdrop.eventCaptureOptions),window.removeEventListener("touchcancel",dragdrop.touchEnd,dragdrop.eventCaptureOptions),window.removeEventListener("touchmove",dragdrop.touchMove,dragdrop.eventCaptureOptions),dragdrop.touching=null):(window.removeEventListener("mousemove",dragdrop.mouseMove,dragdrop.eventCaptureOptions),window.removeEventListener("mouseup",dragdrop.mouseUp,dragdrop.eventCaptureOptions)),autoScroll.stop(),dragdrop.onDrop(pageX,pageY,dragdrop.dragProxy)},scroll:function(offset){var maxY=$(document).height()-dragdrop.dragProxy.outerHeight(),currentPosition=dragdrop.dragProxy.offset();currentPosition.top=Math.min(maxY,currentPosition.top+offset),dragdrop.dragProxy.css(currentPosition)}};return{prepare:dragdrop.prepare,start:dragdrop.start}}));
+
+//# sourceMappingURL=dragdrop.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/dragdrop.min.js.map b/lib/amd/build/dragdrop.min.js.map
index 7bf19d23d93..4f808056dfb 100644
--- a/lib/amd/build/dragdrop.min.js.map
+++ b/lib/amd/build/dragdrop.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/*\n * JavaScript to handle drag operations, including automatic scrolling.\n *\n * Note: this module is defined statically. It is a singleton. You\n * can only have one use of it active at any time. However, you\n * can only drag one thing at a time, this is not a problem in practice.\n *\n * @module     core/dragdrop\n * @class      dragdrop\n * @package    core\n * @copyright  2016 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.6\n */\ndefine(['jquery', 'core/autoscroll'], function($, autoScroll) {\n    /**\n     * @alias module:core/dragdrop\n     */\n    var dragdrop = {\n        /**\n         * A boolean or options argument depending on whether browser supports passive events.\n         * @private\n         */\n        eventCaptureOptions: {passive: false, capture: true},\n\n        /**\n         * Drag proxy if any.\n         * @private\n         */\n        dragProxy: null,\n\n        /**\n         * Function called on move.\n         * @private\n         */\n        onMove: null,\n\n        /**\n         * Function called on drop.\n         * @private\n         */\n        onDrop: null,\n\n        /**\n         * Initial position of proxy at drag start.\n         */\n        initialPosition: null,\n\n        /**\n         * Initial page X of cursor at drag start.\n         */\n        initialX: null,\n\n        /**\n         * Initial page Y of cursor at drag start.\n         */\n        initialY: null,\n\n        /**\n         * If touch event is in progress, this will be the id, otherwise null\n         */\n        touching: null,\n\n        /**\n         * Prepares to begin a drag operation - call with a mousedown or touchstart event.\n         *\n         * If the returned object has 'start' true, then you can set up a drag proxy, and call\n         * start. This function will call preventDefault automatically regardless of whether\n         * starting or not.\n         *\n         * @public\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @return {Object} Object with start (boolean flag) and x, y (only if flag true) values\n         */\n        prepare: function(event) {\n            event.preventDefault();\n            var start;\n            if (event.type === 'touchstart') {\n                // For touch, start if there's at least one touch and we are not currently doing\n                // a touch event.\n                start = (dragdrop.touching === null) && event.changedTouches.length > 0;\n            } else {\n                // For mousedown, start if it's the left button.\n                start = event.which === 1;\n            }\n            if (start) {\n                var details = dragdrop.getEventXY(event);\n                details.start = true;\n                return details;\n            } else {\n                return {start: false};\n            }\n        },\n\n        /**\n         * Call to start a drag operation, in response to a mouse down or touch start event.\n         * Normally call this after calling prepare and receiving start true (you can probably\n         * skip prepare if only supporting drag not touch).\n         *\n         * Note: The caller is responsible for creating a 'drag proxy' which is the\n         * thing that actually gets dragged. At present, this doesn't really work\n         * properly unless it is added directly within the body tag.\n         *\n         * You also need to ensure that there is CSS so the proxy is absolutely positioned,\n         * and styled to look like it is floating.\n         *\n         * You also need to absolutely position the proxy where you want it to start.\n         *\n         * @public\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @param {jQuery} dragProxy An absolute-positioned element for dragging\n         * @param {Object} onMove Function that receives X and Y page locations for a move\n         * @param {Object} onDrop Function that receives X and Y page locations when dropped\n         */\n        start: function(event, dragProxy, onMove, onDrop) {\n            var xy = dragdrop.getEventXY(event);\n            dragdrop.initialX = xy.x;\n            dragdrop.initialY = xy.y;\n            dragdrop.initialPosition = dragProxy.offset();\n            dragdrop.dragProxy = dragProxy;\n            dragdrop.onMove = onMove;\n            dragdrop.onDrop = onDrop;\n\n            switch (event.type) {\n                case 'mousedown':\n                    // Cannot use jQuery 'on' because events need to not be passive.\n                    dragdrop.addEventSpecial('mousemove', dragdrop.mouseMove);\n                    dragdrop.addEventSpecial('mouseup', dragdrop.mouseUp);\n                    break;\n                case 'touchstart':\n                    dragdrop.addEventSpecial('touchend', dragdrop.touchEnd);\n                    dragdrop.addEventSpecial('touchcancel', dragdrop.touchEnd);\n                    dragdrop.addEventSpecial('touchmove', dragdrop.touchMove);\n                    dragdrop.touching = event.changedTouches[0].identifier;\n                    break;\n                default:\n                    throw new Error('Unexpected event type: ' + event.type);\n            }\n            autoScroll.start(dragdrop.scroll);\n        },\n\n        /**\n         * Adds an event listener with special event capture options (capture, not passive). If the\n         * browser does not support passive events, it will fall back to the boolean for capture.\n         *\n         * @private\n         * @param {Object} event Event type string\n         * @param {Object} handler Handler function\n         */\n        addEventSpecial: function(event, handler) {\n            try {\n                window.addEventListener(event, handler, dragdrop.eventCaptureOptions);\n            } catch (ex) {\n                dragdrop.eventCaptureOptions = true;\n                window.addEventListener(event, handler, dragdrop.eventCaptureOptions);\n            }\n        },\n\n        /**\n         * Gets X/Y co-ordinates of an event, which can be either touchstart or mousedown.\n         *\n         * @private\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @return {Object} X/Y co-ordinates\n         */\n        getEventXY: function(event) {\n            switch (event.type) {\n                case 'touchstart':\n                    return {x: event.changedTouches[0].pageX,\n                            y: event.changedTouches[0].pageY};\n                case 'mousedown':\n                    return {x: event.pageX, y: event.pageY};\n                default:\n                    throw new Error('Unexpected event type: ' + event.type);\n            }\n        },\n\n        /**\n         * Event handler for touch move.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        touchMove: function(e) {\n            e.preventDefault();\n            for (var i = 0; i < e.changedTouches.length; i++) {\n                if (e.changedTouches[i].identifier === dragdrop.touching) {\n                    dragdrop.handleMove(e.changedTouches[i].pageX, e.changedTouches[i].pageY);\n                }\n            }\n        },\n\n        /**\n         * Event handler for mouse move.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        mouseMove: function(e) {\n            dragdrop.handleMove(e.pageX, e.pageY);\n        },\n\n        /**\n         * Shared handler for move event (mouse or touch).\n         *\n         * @private\n         * @param {number} pageX X co-ordinate\n         * @param {number} pageY Y co-ordinate\n         */\n        handleMove: function(pageX, pageY) {\n            // Move the drag proxy, not letting you move it out of screen or window bounds.\n            var current = dragdrop.dragProxy.offset();\n            var topOffset = current.top - parseInt(dragdrop.dragProxy.css('top'));\n            var leftOffset = current.left - parseInt(dragdrop.dragProxy.css('left'));\n            var maxY = $(document).height() - dragdrop.dragProxy.outerHeight() - topOffset;\n            var maxX = $(document).width() - dragdrop.dragProxy.outerWidth() - leftOffset;\n            var minY = -topOffset;\n            var minX = -leftOffset;\n            var initial = dragdrop.initialPosition;\n            var position = {\n                top: Math.max(minY, Math.min(maxY, initial.top + (pageY - dragdrop.initialY) - topOffset)),\n                left: Math.max(minX, Math.min(maxX, initial.left + (pageX - dragdrop.initialX) - leftOffset))\n            };\n            dragdrop.dragProxy.css(position);\n\n            // Trigger move handler.\n            dragdrop.onMove(pageX, pageY, dragdrop.dragProxy);\n        },\n\n        /**\n         * Event handler for touch end.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        touchEnd: function(e) {\n            e.preventDefault();\n            for (var i = 0; i < e.changedTouches.length; i++) {\n                if (e.changedTouches[i].identifier === dragdrop.touching) {\n                    dragdrop.handleEnd(e.changedTouches[i].pageX, e.changedTouches[i].pageY);\n                }\n            }\n        },\n\n        /**\n         * Event handler for mouse up.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        mouseUp: function(e) {\n            dragdrop.handleEnd(e.pageX, e.pageY);\n        },\n\n        /**\n         * Shared handler for end drag (mouse or touch).\n         *\n         * @private\n         * @param {number} pageX X\n         * @param {number} pageY Y\n         */\n        handleEnd: function(pageX, pageY) {\n            if (dragdrop.touching !== null) {\n                window.removeEventListener('touchend', dragdrop.touchEnd, dragdrop.eventCaptureOptions);\n                window.removeEventListener('touchcancel', dragdrop.touchEnd, dragdrop.eventCaptureOptions);\n                window.removeEventListener('touchmove', dragdrop.touchMove, dragdrop.eventCaptureOptions);\n                dragdrop.touching = null;\n            } else {\n                window.removeEventListener('mousemove', dragdrop.mouseMove, dragdrop.eventCaptureOptions);\n                window.removeEventListener('mouseup', dragdrop.mouseUp, dragdrop.eventCaptureOptions);\n            }\n            autoScroll.stop();\n            dragdrop.onDrop(pageX, pageY, dragdrop.dragProxy);\n        },\n\n        /**\n         * Called when the page scrolls.\n         *\n         * @private\n         * @param {number} offset Amount of scroll\n         */\n        scroll: function(offset) {\n            // Move the proxy to match.\n            var maxY = $(document).height() - dragdrop.dragProxy.outerHeight();\n            var currentPosition = dragdrop.dragProxy.offset();\n            currentPosition.top = Math.min(maxY, currentPosition.top + offset);\n            dragdrop.dragProxy.css(currentPosition);\n        }\n    };\n\n    return {\n        /**\n         * Prepares to begin a drag operation - call with a mousedown or touchstart event.\n         *\n         * If the returned object has 'start' true, then you can set up a drag proxy, and call\n         * start. This function will call preventDefault automatically regardless of whether\n         * starting or not.\n         *\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @return {Object} Object with start (boolean flag) and x, y (only if flag true) values\n         */\n        prepare: dragdrop.prepare,\n\n        /**\n         * Call to start a drag operation, in response to a mouse down or touch start event.\n         * Normally call this after calling prepare and receiving start true (you can probably\n         * skip prepare if only supporting drag not touch).\n         *\n         * Note: The caller is responsible for creating a 'drag proxy' which is the\n         * thing that actually gets dragged. At present, this doesn't really work\n         * properly unless it is added directly within the body tag.\n         *\n         * You also need to ensure that there is CSS so the proxy is absolutely positioned,\n         * and styled to look like it is floating.\n         *\n         * You also need to absolutely position the proxy where you want it to start.\n         *\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @param {jQuery} dragProxy An absolute-positioned element for dragging\n         * @param {Object} onMove Function that receives X and Y page locations for a move\n         * @param {Object} onDrop Function that receives X and Y page locations when dropped\n         */\n        start: dragdrop.start\n    };\n});\n"],"file":"dragdrop.min.js"}
\ No newline at end of file
+{"version":3,"file":"dragdrop.min.js","sources":["../src/dragdrop.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/*\n * JavaScript to handle drag operations, including automatic scrolling.\n *\n * Note: this module is defined statically. It is a singleton. You\n * can only have one use of it active at any time. However, you\n * can only drag one thing at a time, this is not a problem in practice.\n *\n * @module     core/dragdrop\n * @class      dragdrop\n * @package    core\n * @copyright  2016 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.6\n */\ndefine(['jquery', 'core/autoscroll'], function($, autoScroll) {\n    /**\n     * @alias module:core/dragdrop\n     */\n    var dragdrop = {\n        /**\n         * A boolean or options argument depending on whether browser supports passive events.\n         * @private\n         */\n        eventCaptureOptions: {passive: false, capture: true},\n\n        /**\n         * Drag proxy if any.\n         * @private\n         */\n        dragProxy: null,\n\n        /**\n         * Function called on move.\n         * @private\n         */\n        onMove: null,\n\n        /**\n         * Function called on drop.\n         * @private\n         */\n        onDrop: null,\n\n        /**\n         * Initial position of proxy at drag start.\n         */\n        initialPosition: null,\n\n        /**\n         * Initial page X of cursor at drag start.\n         */\n        initialX: null,\n\n        /**\n         * Initial page Y of cursor at drag start.\n         */\n        initialY: null,\n\n        /**\n         * If touch event is in progress, this will be the id, otherwise null\n         */\n        touching: null,\n\n        /**\n         * Prepares to begin a drag operation - call with a mousedown or touchstart event.\n         *\n         * If the returned object has 'start' true, then you can set up a drag proxy, and call\n         * start. This function will call preventDefault automatically regardless of whether\n         * starting or not.\n         *\n         * @public\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @return {Object} Object with start (boolean flag) and x, y (only if flag true) values\n         */\n        prepare: function(event) {\n            event.preventDefault();\n            var start;\n            if (event.type === 'touchstart') {\n                // For touch, start if there's at least one touch and we are not currently doing\n                // a touch event.\n                start = (dragdrop.touching === null) && event.changedTouches.length > 0;\n            } else {\n                // For mousedown, start if it's the left button.\n                start = event.which === 1;\n            }\n            if (start) {\n                var details = dragdrop.getEventXY(event);\n                details.start = true;\n                return details;\n            } else {\n                return {start: false};\n            }\n        },\n\n        /**\n         * Call to start a drag operation, in response to a mouse down or touch start event.\n         * Normally call this after calling prepare and receiving start true (you can probably\n         * skip prepare if only supporting drag not touch).\n         *\n         * Note: The caller is responsible for creating a 'drag proxy' which is the\n         * thing that actually gets dragged. At present, this doesn't really work\n         * properly unless it is added directly within the body tag.\n         *\n         * You also need to ensure that there is CSS so the proxy is absolutely positioned,\n         * and styled to look like it is floating.\n         *\n         * You also need to absolutely position the proxy where you want it to start.\n         *\n         * @public\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @param {jQuery} dragProxy An absolute-positioned element for dragging\n         * @param {Object} onMove Function that receives X and Y page locations for a move\n         * @param {Object} onDrop Function that receives X and Y page locations when dropped\n         */\n        start: function(event, dragProxy, onMove, onDrop) {\n            var xy = dragdrop.getEventXY(event);\n            dragdrop.initialX = xy.x;\n            dragdrop.initialY = xy.y;\n            dragdrop.initialPosition = dragProxy.offset();\n            dragdrop.dragProxy = dragProxy;\n            dragdrop.onMove = onMove;\n            dragdrop.onDrop = onDrop;\n\n            switch (event.type) {\n                case 'mousedown':\n                    // Cannot use jQuery 'on' because events need to not be passive.\n                    dragdrop.addEventSpecial('mousemove', dragdrop.mouseMove);\n                    dragdrop.addEventSpecial('mouseup', dragdrop.mouseUp);\n                    break;\n                case 'touchstart':\n                    dragdrop.addEventSpecial('touchend', dragdrop.touchEnd);\n                    dragdrop.addEventSpecial('touchcancel', dragdrop.touchEnd);\n                    dragdrop.addEventSpecial('touchmove', dragdrop.touchMove);\n                    dragdrop.touching = event.changedTouches[0].identifier;\n                    break;\n                default:\n                    throw new Error('Unexpected event type: ' + event.type);\n            }\n            autoScroll.start(dragdrop.scroll);\n        },\n\n        /**\n         * Adds an event listener with special event capture options (capture, not passive). If the\n         * browser does not support passive events, it will fall back to the boolean for capture.\n         *\n         * @private\n         * @param {Object} event Event type string\n         * @param {Object} handler Handler function\n         */\n        addEventSpecial: function(event, handler) {\n            try {\n                window.addEventListener(event, handler, dragdrop.eventCaptureOptions);\n            } catch (ex) {\n                dragdrop.eventCaptureOptions = true;\n                window.addEventListener(event, handler, dragdrop.eventCaptureOptions);\n            }\n        },\n\n        /**\n         * Gets X/Y co-ordinates of an event, which can be either touchstart or mousedown.\n         *\n         * @private\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @return {Object} X/Y co-ordinates\n         */\n        getEventXY: function(event) {\n            switch (event.type) {\n                case 'touchstart':\n                    return {x: event.changedTouches[0].pageX,\n                            y: event.changedTouches[0].pageY};\n                case 'mousedown':\n                    return {x: event.pageX, y: event.pageY};\n                default:\n                    throw new Error('Unexpected event type: ' + event.type);\n            }\n        },\n\n        /**\n         * Event handler for touch move.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        touchMove: function(e) {\n            e.preventDefault();\n            for (var i = 0; i < e.changedTouches.length; i++) {\n                if (e.changedTouches[i].identifier === dragdrop.touching) {\n                    dragdrop.handleMove(e.changedTouches[i].pageX, e.changedTouches[i].pageY);\n                }\n            }\n        },\n\n        /**\n         * Event handler for mouse move.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        mouseMove: function(e) {\n            dragdrop.handleMove(e.pageX, e.pageY);\n        },\n\n        /**\n         * Shared handler for move event (mouse or touch).\n         *\n         * @private\n         * @param {number} pageX X co-ordinate\n         * @param {number} pageY Y co-ordinate\n         */\n        handleMove: function(pageX, pageY) {\n            // Move the drag proxy, not letting you move it out of screen or window bounds.\n            var current = dragdrop.dragProxy.offset();\n            var topOffset = current.top - parseInt(dragdrop.dragProxy.css('top'));\n            var leftOffset = current.left - parseInt(dragdrop.dragProxy.css('left'));\n            var maxY = $(document).height() - dragdrop.dragProxy.outerHeight() - topOffset;\n            var maxX = $(document).width() - dragdrop.dragProxy.outerWidth() - leftOffset;\n            var minY = -topOffset;\n            var minX = -leftOffset;\n            var initial = dragdrop.initialPosition;\n            var position = {\n                top: Math.max(minY, Math.min(maxY, initial.top + (pageY - dragdrop.initialY) - topOffset)),\n                left: Math.max(minX, Math.min(maxX, initial.left + (pageX - dragdrop.initialX) - leftOffset))\n            };\n            dragdrop.dragProxy.css(position);\n\n            // Trigger move handler.\n            dragdrop.onMove(pageX, pageY, dragdrop.dragProxy);\n        },\n\n        /**\n         * Event handler for touch end.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        touchEnd: function(e) {\n            e.preventDefault();\n            for (var i = 0; i < e.changedTouches.length; i++) {\n                if (e.changedTouches[i].identifier === dragdrop.touching) {\n                    dragdrop.handleEnd(e.changedTouches[i].pageX, e.changedTouches[i].pageY);\n                }\n            }\n        },\n\n        /**\n         * Event handler for mouse up.\n         *\n         * @private\n         * @param {Object} e Event\n         */\n        mouseUp: function(e) {\n            dragdrop.handleEnd(e.pageX, e.pageY);\n        },\n\n        /**\n         * Shared handler for end drag (mouse or touch).\n         *\n         * @private\n         * @param {number} pageX X\n         * @param {number} pageY Y\n         */\n        handleEnd: function(pageX, pageY) {\n            if (dragdrop.touching !== null) {\n                window.removeEventListener('touchend', dragdrop.touchEnd, dragdrop.eventCaptureOptions);\n                window.removeEventListener('touchcancel', dragdrop.touchEnd, dragdrop.eventCaptureOptions);\n                window.removeEventListener('touchmove', dragdrop.touchMove, dragdrop.eventCaptureOptions);\n                dragdrop.touching = null;\n            } else {\n                window.removeEventListener('mousemove', dragdrop.mouseMove, dragdrop.eventCaptureOptions);\n                window.removeEventListener('mouseup', dragdrop.mouseUp, dragdrop.eventCaptureOptions);\n            }\n            autoScroll.stop();\n            dragdrop.onDrop(pageX, pageY, dragdrop.dragProxy);\n        },\n\n        /**\n         * Called when the page scrolls.\n         *\n         * @private\n         * @param {number} offset Amount of scroll\n         */\n        scroll: function(offset) {\n            // Move the proxy to match.\n            var maxY = $(document).height() - dragdrop.dragProxy.outerHeight();\n            var currentPosition = dragdrop.dragProxy.offset();\n            currentPosition.top = Math.min(maxY, currentPosition.top + offset);\n            dragdrop.dragProxy.css(currentPosition);\n        }\n    };\n\n    return {\n        /**\n         * Prepares to begin a drag operation - call with a mousedown or touchstart event.\n         *\n         * If the returned object has 'start' true, then you can set up a drag proxy, and call\n         * start. This function will call preventDefault automatically regardless of whether\n         * starting or not.\n         *\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @return {Object} Object with start (boolean flag) and x, y (only if flag true) values\n         */\n        prepare: dragdrop.prepare,\n\n        /**\n         * Call to start a drag operation, in response to a mouse down or touch start event.\n         * Normally call this after calling prepare and receiving start true (you can probably\n         * skip prepare if only supporting drag not touch).\n         *\n         * Note: The caller is responsible for creating a 'drag proxy' which is the\n         * thing that actually gets dragged. At present, this doesn't really work\n         * properly unless it is added directly within the body tag.\n         *\n         * You also need to ensure that there is CSS so the proxy is absolutely positioned,\n         * and styled to look like it is floating.\n         *\n         * You also need to absolutely position the proxy where you want it to start.\n         *\n         * @param {Object} event Event (should be either mousedown or touchstart)\n         * @param {jQuery} dragProxy An absolute-positioned element for dragging\n         * @param {Object} onMove Function that receives X and Y page locations for a move\n         * @param {Object} onDrop Function that receives X and Y page locations when dropped\n         */\n        start: dragdrop.start\n    };\n});\n"],"names":["define","$","autoScroll","dragdrop","eventCaptureOptions","passive","capture","dragProxy","onMove","onDrop","initialPosition","initialX","initialY","touching","prepare","event","preventDefault","type","changedTouches","length","which","details","getEventXY","start","xy","x","y","offset","addEventSpecial","mouseMove","mouseUp","touchEnd","touchMove","identifier","Error","scroll","handler","window","addEventListener","ex","pageX","pageY","e","i","handleMove","current","topOffset","top","parseInt","css","leftOffset","left","maxY","document","height","outerHeight","maxX","width","outerWidth","minY","minX","initial","position","Math","max","min","handleEnd","removeEventListener","stop","currentPosition"],"mappings":";;;;;;;;;;;;;;AA6BAA,uBAAO,CAAC,SAAU,oBAAoB,SAASC,EAAGC,gBAI1CC,SAAW,CAKXC,oBAAqB,CAACC,SAAS,EAAOC,SAAS,GAM/CC,UAAW,KAMXC,OAAQ,KAMRC,OAAQ,KAKRC,gBAAiB,KAKjBC,SAAU,KAKVC,SAAU,KAKVC,SAAU,KAaVC,QAAS,SAASC,UACdA,MAAMC,iBAEa,eAAfD,MAAME,KAGyB,OAAtBd,SAASU,UAAsBE,MAAMG,eAAeC,OAAS,EAG9C,IAAhBJ,MAAMK,MAEP,KACHC,QAAUlB,SAASmB,WAAWP,cAClCM,QAAQE,OAAQ,EACTF,cAEA,CAACE,OAAO,IAwBvBA,MAAO,SAASR,MAAOR,UAAWC,OAAQC,YAClCe,GAAKrB,SAASmB,WAAWP,cAC7BZ,SAASQ,SAAWa,GAAGC,EACvBtB,SAASS,SAAWY,GAAGE,EACvBvB,SAASO,gBAAkBH,UAAUoB,SACrCxB,SAASI,UAAYA,UACrBJ,SAASK,OAASA,OAClBL,SAASM,OAASA,OAEVM,MAAME,UACL,YAEDd,SAASyB,gBAAgB,YAAazB,SAAS0B,WAC/C1B,SAASyB,gBAAgB,UAAWzB,SAAS2B,mBAE5C,aACD3B,SAASyB,gBAAgB,WAAYzB,SAAS4B,UAC9C5B,SAASyB,gBAAgB,cAAezB,SAAS4B,UACjD5B,SAASyB,gBAAgB,YAAazB,SAAS6B,WAC/C7B,SAASU,SAAWE,MAAMG,eAAe,GAAGe,+BAGtC,IAAIC,MAAM,0BAA4BnB,MAAME,MAE1Df,WAAWqB,MAAMpB,SAASgC,SAW9BP,gBAAiB,SAASb,MAAOqB,aAEzBC,OAAOC,iBAAiBvB,MAAOqB,QAASjC,SAASC,qBACnD,MAAOmC,IACLpC,SAASC,qBAAsB,EAC/BiC,OAAOC,iBAAiBvB,MAAOqB,QAASjC,SAASC,uBAWzDkB,WAAY,SAASP,cACTA,MAAME,UACL,mBACM,CAACQ,EAAGV,MAAMG,eAAe,GAAGsB,MAC3Bd,EAAGX,MAAMG,eAAe,GAAGuB,WAClC,kBACM,CAAChB,EAAGV,MAAMyB,MAAOd,EAAGX,MAAM0B,qBAE3B,IAAIP,MAAM,0BAA4BnB,MAAME,QAU9De,UAAW,SAASU,GAChBA,EAAE1B,qBACG,IAAI2B,EAAI,EAAGA,EAAID,EAAExB,eAAeC,OAAQwB,IACrCD,EAAExB,eAAeyB,GAAGV,aAAe9B,SAASU,UAC5CV,SAASyC,WAAWF,EAAExB,eAAeyB,GAAGH,MAAOE,EAAExB,eAAeyB,GAAGF,QAW/EZ,UAAW,SAASa,GAChBvC,SAASyC,WAAWF,EAAEF,MAAOE,EAAED,QAUnCG,WAAY,SAASJ,MAAOC,WAEpBI,QAAU1C,SAASI,UAAUoB,SAC7BmB,UAAYD,QAAQE,IAAMC,SAAS7C,SAASI,UAAU0C,IAAI,QAC1DC,WAAaL,QAAQM,KAAOH,SAAS7C,SAASI,UAAU0C,IAAI,SAC5DG,KAAOnD,EAAEoD,UAAUC,SAAWnD,SAASI,UAAUgD,cAAgBT,UACjEU,KAAOvD,EAAEoD,UAAUI,QAAUtD,SAASI,UAAUmD,aAAeR,WAC/DS,MAAQb,UACRc,MAAQV,WACRW,QAAU1D,SAASO,gBACnBoD,SAAW,CACXf,IAAKgB,KAAKC,IAAIL,KAAMI,KAAKE,IAAIb,KAAMS,QAAQd,KAAON,MAAQtC,SAASS,UAAYkC,YAC/EK,KAAMY,KAAKC,IAAIJ,KAAMG,KAAKE,IAAIT,KAAMK,QAAQV,MAAQX,MAAQrC,SAASQ,UAAYuC,cAErF/C,SAASI,UAAU0C,IAAIa,UAGvB3D,SAASK,OAAOgC,MAAOC,MAAOtC,SAASI,YAS3CwB,SAAU,SAASW,GACfA,EAAE1B,qBACG,IAAI2B,EAAI,EAAGA,EAAID,EAAExB,eAAeC,OAAQwB,IACrCD,EAAExB,eAAeyB,GAAGV,aAAe9B,SAASU,UAC5CV,SAAS+D,UAAUxB,EAAExB,eAAeyB,GAAGH,MAAOE,EAAExB,eAAeyB,GAAGF,QAW9EX,QAAS,SAASY,GACdvC,SAAS+D,UAAUxB,EAAEF,MAAOE,EAAED,QAUlCyB,UAAW,SAAS1B,MAAOC,OACG,OAAtBtC,SAASU,UACTwB,OAAO8B,oBAAoB,WAAYhE,SAAS4B,SAAU5B,SAASC,qBACnEiC,OAAO8B,oBAAoB,cAAehE,SAAS4B,SAAU5B,SAASC,qBACtEiC,OAAO8B,oBAAoB,YAAahE,SAAS6B,UAAW7B,SAASC,qBACrED,SAASU,SAAW,OAEpBwB,OAAO8B,oBAAoB,YAAahE,SAAS0B,UAAW1B,SAASC,qBACrEiC,OAAO8B,oBAAoB,UAAWhE,SAAS2B,QAAS3B,SAASC,sBAErEF,WAAWkE,OACXjE,SAASM,OAAO+B,MAAOC,MAAOtC,SAASI,YAS3C4B,OAAQ,SAASR,YAETyB,KAAOnD,EAAEoD,UAAUC,SAAWnD,SAASI,UAAUgD,cACjDc,gBAAkBlE,SAASI,UAAUoB,SACzC0C,gBAAgBtB,IAAMgB,KAAKE,IAAIb,KAAMiB,gBAAgBtB,IAAMpB,QAC3DxB,SAASI,UAAU0C,IAAIoB,yBAIxB,CAWHvD,QAASX,SAASW,QAqBlBS,MAAOpB,SAASoB"}
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diff --git a/lib/amd/build/drawer.min.js b/lib/amd/build/drawer.min.js
index 88a272fca69..81e2f1ea9b4 100644
--- a/lib/amd/build/drawer.min.js
+++ b/lib/amd/build/drawer.min.js
@@ -1,2 +1,10 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/drawer",["exports","jquery","core/pubsub","core/drawer_events"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=g(b);c=f(c);d=g(d);function e(a){if("function"!=typeof WeakMap)return null;var b=new WeakMap,c=new WeakMap;return(e=function(a){return a?c:b})(a)}function f(a,b){if(!b&&a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var c=e(b);if(c&&c.has(a)){return c.get(a)}var d={},f=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var g in a){if("default"!=g&&Object.prototype.hasOwnProperty.call(a,g)){var h=f?Object.getOwnPropertyDescriptor(a,g):null;if(h&&(h.get||h.set)){Object.defineProperty(d,g,h)}else{d[g]=a[g]}}}d.default=a;if(c){c.set(a,d)}return d}function g(a){return a&&a.__esModule?a:{default:a}}var h=function(a){a.removeClass("hidden");a.attr("aria-expanded",!0);a.removeAttr("aria-hidden");a.focus();c.publish(d.default.DRAWER_SHOWN,a)},i=function(a){a.addClass("hidden");a.attr("aria-expanded",!1);a.attr("aria-hidden",!0);c.publish(d.default.DRAWER_HIDDEN,a)},j=function(a){var b=a.hasClass("hidden");return!b},k=function(a){if(j(a)){i(a)}else{h(a)}},l=function(a){a=(0,b.default)(a);return a.closest("[data-region=\"right-hand-drawer\"]")};a.default={hide:i,show:h,isVisible:j,toggle:k,registerToggles:function registerToggles(a,b){var c=null;b.attr("aria-expanded",j(a));b.on("click",function(d){d.preventDefault();var e=j(a);k(a);b.attr("aria-expanded",!e);if(!e){c=b.filter(function(a,b){return b==d.target||b.contains(d.target)})}else if(c){c.focus();c=null}})},getDrawerRoot:l};return a.default});
-//# sourceMappingURL=drawer.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("core/drawer",["exports","jquery","core/pubsub","core/drawer_events"],(function(_exports,_jquery,PubSub,_drawer_events){function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Controls the drawer.
+   *
+   * @module     core/drawer
+   * @copyright  2019 Jun Pataleta <jun@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),PubSub=function(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!==_typeof(obj)&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}newObj.default=obj,cache&&cache.set(obj,newObj);return newObj}(PubSub),_drawer_events=_interopRequireDefault(_drawer_events);var show=function(root){root.removeClass("hidden"),root.attr("aria-expanded",!0),root.removeAttr("aria-hidden"),root.focus(),PubSub.publish(_drawer_events.default.DRAWER_SHOWN,root)},hide=function(root){root.addClass("hidden"),root.attr("aria-expanded",!1),root.attr("aria-hidden",!0),PubSub.publish(_drawer_events.default.DRAWER_HIDDEN,root)},isVisible=function(root){return!root.hasClass("hidden")},toggle=function(root){isVisible(root)?hide(root):show(root)},_default={hide:hide,show:show,isVisible:isVisible,toggle:toggle,registerToggles:function(root,toggleElements){var openTrigger=null;toggleElements.attr("aria-expanded",isVisible(root)),toggleElements.on("click",(function(e){e.preventDefault();var wasVisible=isVisible(root);toggle(root),toggleElements.attr("aria-expanded",!wasVisible),wasVisible?openTrigger&&(openTrigger.focus(),openTrigger=null):openTrigger=toggleElements.filter((function(index,element){return element==e.target||element.contains(e.target)}))}))},getDrawerRoot:function(contentRoot){return(contentRoot=(0,_jquery.default)(contentRoot)).closest('[data-region="right-hand-drawer"]')}};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=drawer.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/drawer.min.js.map b/lib/amd/build/drawer.min.js.map
index 1cf7b2877ed..b2fa72e0251 100644
--- a/lib/amd/build/drawer.min.js.map
+++ b/lib/amd/build/drawer.min.js.map
@@ -1 +1 @@
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+{"version":3,"file":"drawer.min.js","sources":["../src/drawer.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the drawer.\n *\n * @module     core/drawer\n * @copyright  2019 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport $ from 'jquery';\nimport * as PubSub from 'core/pubsub';\nimport DrawerEvents from 'core/drawer_events';\n\n/**\n * Show the drawer.\n *\n * @param {Object} root The drawer container.\n */\nconst show = (root) => {\n    root.removeClass('hidden');\n    root.attr('aria-expanded', true);\n    root.removeAttr('aria-hidden');\n    root.focus();\n\n    PubSub.publish(DrawerEvents.DRAWER_SHOWN, root);\n};\n\n/**\n * Hide the drawer.\n *\n * @param {Object} root The drawer container.\n */\nconst hide = (root) => {\n    root.addClass('hidden');\n    root.attr('aria-expanded', false);\n    root.attr('aria-hidden', true);\n    PubSub.publish(DrawerEvents.DRAWER_HIDDEN, root);\n};\n\n/**\n * Check if the drawer is visible.\n *\n * @param {Object} root The drawer container.\n * @return {boolean}\n */\nconst isVisible = (root) => {\n    let isHidden = root.hasClass('hidden');\n    return !isHidden;\n};\n\n/**\n * Toggle the drawer visibility.\n *\n * @param {Object} root The drawer container.\n */\nconst toggle = (root) => {\n    if (isVisible(root)) {\n        hide(root);\n    } else {\n        show(root);\n    }\n};\n\n/**\n * Add event listeners to toggle the drawer.\n *\n * @param {Object} root The drawer container.\n * @param {Object} toggleElements The toggle elements.\n */\nconst registerToggles = (root, toggleElements) => {\n    let openTrigger = null;\n    toggleElements.attr('aria-expanded', isVisible(root));\n\n    toggleElements.on('click', (e) => {\n        e.preventDefault();\n        const wasVisible = isVisible(root);\n        toggle(root);\n        toggleElements.attr('aria-expanded', !wasVisible);\n\n        if (!wasVisible) {\n            // Remember which trigger element opened the drawer.\n            openTrigger = toggleElements.filter((index, element) => {\n                return element == e.target || element.contains(e.target);\n            });\n        } else if (openTrigger) {\n            // The drawer has gone from open to close so we need to set the focus back\n            // to the element that openend it.\n            openTrigger.focus();\n            openTrigger = null;\n        }\n    });\n};\n\n/**\n * Find the root element of the drawer based on the using the drawer content root's ID.\n *\n * @param {Object} contentRoot The drawer content's root element.\n * @returns {*|jQuery}\n */\nconst getDrawerRoot = (contentRoot) => {\n    contentRoot = $(contentRoot);\n    return contentRoot.closest('[data-region=\"right-hand-drawer\"]');\n};\n\nexport default {\n    hide: hide,\n    show: show,\n    isVisible: isVisible,\n    toggle: toggle,\n    registerToggles: registerToggles,\n    getDrawerRoot: getDrawerRoot\n};\n"],"names":["show","root","removeClass","attr","removeAttr","focus","PubSub","publish","DrawerEvents","DRAWER_SHOWN","hide","addClass","DRAWER_HIDDEN","isVisible","hasClass","toggle","registerToggles","toggleElements","openTrigger","on","e","preventDefault","wasVisible","filter","index","element","target","contains","getDrawerRoot","contentRoot","closest"],"mappings":";;;;;;;s1BA+BMA,KAAO,SAACC,MACVA,KAAKC,YAAY,UACjBD,KAAKE,KAAK,iBAAiB,GAC3BF,KAAKG,WAAW,eAChBH,KAAKI,QAELC,OAAOC,QAAQC,uBAAaC,aAAcR,OAQxCS,KAAO,SAACT,MACVA,KAAKU,SAAS,UACdV,KAAKE,KAAK,iBAAiB,GAC3BF,KAAKE,KAAK,eAAe,GACzBG,OAAOC,QAAQC,uBAAaI,cAAeX,OASzCY,UAAY,SAACZ,aACAA,KAAKa,SAAS,WAS3BC,OAAS,SAACd,MACRY,UAAUZ,MACVS,KAAKT,MAELD,KAAKC,gBA6CE,CACXS,KAAMA,KACNV,KAAMA,KACNa,UAAWA,UACXE,OAAQA,OACRC,gBAxCoB,SAACf,KAAMgB,oBACvBC,YAAc,KAClBD,eAAed,KAAK,gBAAiBU,UAAUZ,OAE/CgB,eAAeE,GAAG,SAAS,SAACC,GACxBA,EAAEC,qBACIC,WAAaT,UAAUZ,MAC7Bc,OAAOd,MACPgB,eAAed,KAAK,iBAAkBmB,YAEjCA,WAKMJ,cAGPA,YAAYb,QACZa,YAAc,MAPdA,YAAcD,eAAeM,QAAO,SAACC,MAAOC,gBACjCA,SAAWL,EAAEM,QAAUD,QAAQE,SAASP,EAAEM,eA4B7DE,cAXkB,SAACC,oBACnBA,aAAc,mBAAEA,cACGC,QAAQ"}
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diff --git a/lib/amd/build/drawer_events.min.js b/lib/amd/build/drawer_events.min.js
index 22be3a335b7..e5820090a47 100644
--- a/lib/amd/build/drawer_events.min.js
+++ b/lib/amd/build/drawer_events.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=drawer_events.min.js.map
+define("core/drawer_events",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;return _exports.default={DRAWER_SHOWN:"drawer-shown",DRAWER_HIDDEN:"drawer-hidden"},_exports.default}));
+
+//# sourceMappingURL=drawer_events.min.js.map
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diff --git a/lib/amd/build/drawer_events.min.js.map b/lib/amd/build/drawer_events.min.js.map
index 39f9a81873a..f182ff710fd 100644
--- a/lib/amd/build/drawer_events.min.js.map
+++ b/lib/amd/build/drawer_events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/drawer_events.js"],"names":["DRAWER_SHOWN","DRAWER_HIDDEN"],"mappings":"8IAuBe,CACXA,YAAY,CAAE,cADH,CAEXC,aAAa,CAAE,eAFJ,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the drawer.\n *\n * @module     core/drawer_events\n * @package    core\n * @copyright  2019 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default {\n    DRAWER_SHOWN: 'drawer-shown',\n    DRAWER_HIDDEN: 'drawer-hidden',\n};\n"],"file":"drawer_events.min.js"}
\ No newline at end of file
+{"version":3,"file":"drawer_events.min.js","sources":["../src/drawer_events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the drawer.\n *\n * @module     core/drawer_events\n * @package    core\n * @copyright  2019 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default {\n    DRAWER_SHOWN: 'drawer-shown',\n    DRAWER_HIDDEN: 'drawer-hidden',\n};\n"],"names":["DRAWER_SHOWN","DRAWER_HIDDEN"],"mappings":"oKAuBe,CACXA,aAAc,eACdC,cAAe"}
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diff --git a/lib/amd/build/emoji/auto_complete.min.js b/lib/amd/build/emoji/auto_complete.min.js
index e208b00f093..9a85fe4b228 100644
--- a/lib/amd/build/emoji/auto_complete.min.js
+++ b/lib/amd/build/emoji/auto_complete.min.js
@@ -1,2 +1,3 @@
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activeEmojiSuggestion=getActiveEmojiSuggestion(root),nextSuggestion=activeEmojiSuggestion.nextElementSibling;nextSuggestion&&(activeEmojiSuggestion.classList.remove("active"),nextSuggestion.classList.add("active"),nextSuggestion.scrollIntoView({behaviour:"smooth",inline:"center"}))}(root),e.preventDefault();break;case _key_codes.default.enter:selectEmojiElement(getActiveEmojiSuggestion(root),selectCallback),e.preventDefault(),e.stopPropagation()}})),root.addEventListener("click",(function(e){var target=e.target;target.matches(SELECTORS_EMOJI_BUTTON)&&selectEmojiElement(target,selectCallback)}))},_exports.default}));
+
+//# sourceMappingURL=auto_complete.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/emoji/auto_complete.min.js.map b/lib/amd/build/emoji/auto_complete.min.js.map
index 9d939e8002e..ad4113ce265 100644
--- a/lib/amd/build/emoji/auto_complete.min.js.map
+++ b/lib/amd/build/emoji/auto_complete.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji auto complete.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as EmojiData from 'core/emoji/data';\nimport {render as renderTemplate} from 'core/templates';\nimport {debounce} from 'core/utils';\nimport LocalStorage from 'core/localstorage';\nimport KeyCodes from 'core/key_codes';\n\nconst INPUT_DEBOUNCE_TIMER = 200;\nconst SUGGESTION_LIMIT = 50;\nconst MAX_RECENT_COUNT = 27;\nconst RECENT_EMOJIS_STORAGE_KEY = 'moodle-recent-emojis';\n\nconst SELECTORS = {\n    EMOJI_BUTTON: '[data-region=\"emoji-button\"]',\n    ACTIVE_EMOJI_BUTTON: '[data-region=\"emoji-button\"].active',\n};\n\n/**\n * Get the list of recent emojis data from local storage.\n *\n * @return {Array}\n */\nconst getRecentEmojis = () => {\n    const storedData = LocalStorage.get(RECENT_EMOJIS_STORAGE_KEY);\n    return storedData ? JSON.parse(storedData) : [];\n};\n\n/**\n * Add an emoji data to the set of recent emojis. The new set of recent emojis are\n * saved in local storage.\n *\n * @param {String} unified The char chodes for the emoji\n * @param {String} shortName The emoji short name\n */\nconst addRecentEmoji = (unified, shortName) => {\n    const newEmoji = {\n        unified,\n        shortnames: [shortName]\n    };\n    const recentEmojis = getRecentEmojis();\n    // Add the new emoji to the start of the list of recent emojis.\n    let newRecentEmojis = [newEmoji, ...recentEmojis.filter(emoji => emoji.unified != newEmoji.unified)];\n    // Limit the number of recent emojis.\n    newRecentEmojis = newRecentEmojis.slice(0, MAX_RECENT_COUNT);\n\n    LocalStorage.set(RECENT_EMOJIS_STORAGE_KEY, JSON.stringify(newRecentEmojis));\n};\n\n/**\n * Get the actual emoji string from the short name.\n *\n * @param {String} shortName Emoji short name\n * @return {String|null}\n */\nconst getEmojiTextFromShortName = (shortName) => {\n    const unified = EmojiData.byShortName[shortName];\n\n    if (unified) {\n        const charCodes = unified.split('-').map(code => `0x${code}`);\n        return String.fromCodePoint.apply(null, charCodes);\n    } else {\n        return null;\n    }\n};\n\n/**\n * Render the auto complete list for the given short names.\n *\n * @param {Element} root The root container for the emoji auto complete\n * @param {Array} shortNames The list of short names for emoji suggestions to show\n */\nconst render = async (root, shortNames) => {\n    const renderContext = {\n        emojis: shortNames.map((shortName, index) => {\n            return {\n                active: index === 0,\n                emojitext: getEmojiTextFromShortName(shortName),\n                displayshortname: `:${shortName}:`,\n                shortname: shortName,\n                unified: EmojiData.byShortName[shortName]\n            };\n        })\n    };\n    const html = await renderTemplate('core/emoji/auto_complete', renderContext);\n    root.innerHTML = html;\n};\n\n/**\n * Get the list of emoji short names that include the given search term. If\n * the search term is an empty string then the list of recently used emojis\n * will be returned.\n *\n * @param {String} searchTerm Text to match on\n * @param {Number} limit Maximum number of results to return\n * @return {Array}\n */\nconst searchEmojis = (searchTerm, limit) => {\n    if (searchTerm === '') {\n        return getRecentEmojis().map(data => data.shortnames[0]).slice(0, limit);\n    } else {\n        searchTerm = searchTerm.toLowerCase();\n        return Object.keys(EmojiData.byShortName)\n                .filter(shortName => shortName.includes(searchTerm))\n                .slice(0, limit);\n    }\n};\n\n/**\n * Get the current word at the given position (index) within the text.\n *\n * @param {String} text The text to process\n * @param {Number} position The position (index) within the text to match the word\n * @return {String}\n */\nconst getWordFromPosition = (text, position) => {\n    const startMatches = text.slice(0, position).match(/(\\S*)$/);\n    const endMatches = text.slice(position).match(/^(\\S*)/);\n    let startText = '';\n    let endText = '';\n\n    if (startMatches) {\n        startText = startMatches[startMatches.length - 1];\n    }\n\n    if (endMatches) {\n        endText = endMatches[endMatches.length - 1];\n    }\n\n    return `${startText}${endText}`;\n};\n\n/**\n * Check if the given text is a full short name, i.e. has leading and trialing colon\n * characters.\n *\n * @param {String} text The text to process\n * @return {Bool}\n */\nconst isCompleteShortName = text => /^:[^:\\s]+:$/.test(text);\n\n/**\n * Check if the given text is a partial short name, i.e. has a leading colon but no\n * trailing colon.\n *\n * @param {String} text The text to process\n * @return {Bool}\n */\nconst isPartialShortName = text => /^:[^:\\s]*$/.test(text);\n\n/**\n * Remove the colon characters from the given text.\n *\n * @param {String} text The text to process\n * @return {String}\n */\nconst getShortNameFromText = text => text.replace(/:/g, '');\n\n/**\n * Get the currently active emoji button element in the list of suggestions.\n *\n * @param {Element} root The emoji auto complete container element\n * @return {Element|null}\n */\nconst getActiveEmojiSuggestion = (root) => {\n    return root.querySelector(SELECTORS.ACTIVE_EMOJI_BUTTON);\n};\n\n/**\n * Make the previous sibling of the current active emoji active.\n *\n * @param {Element} root The emoji auto complete container element\n */\nconst selectPreviousEmojiSuggestion = (root) => {\n    const activeEmojiSuggestion = getActiveEmojiSuggestion(root);\n    const previousSuggestion = activeEmojiSuggestion.previousElementSibling;\n\n    if (previousSuggestion) {\n        activeEmojiSuggestion.classList.remove('active');\n        previousSuggestion.classList.add('active');\n        previousSuggestion.scrollIntoView({behaviour: 'smooth', inline: 'center'});\n    }\n};\n\n/**\n * Make the next sibling to the current active emoji active.\n *\n * @param {Element} root The emoji auto complete container element\n */\nconst selectNextEmojiSuggestion = (root) => {\n    const activeEmojiSuggestion = getActiveEmojiSuggestion(root);\n    const nextSuggestion = activeEmojiSuggestion.nextElementSibling;\n\n    if (nextSuggestion) {\n        activeEmojiSuggestion.classList.remove('active');\n        nextSuggestion.classList.add('active');\n        nextSuggestion.scrollIntoView({behaviour: 'smooth', inline: 'center'});\n    }\n};\n\n/**\n * Trigger the select callback for the given emoji button element.\n *\n * @param {Element} element The emoji button element\n * @param {Function} selectCallback The callback for when the user selects an emoji\n */\nconst selectEmojiElement = (element, selectCallback) => {\n    const shortName = element.getAttribute('data-short-name');\n    const unified = element.getAttribute('data-unified');\n    addRecentEmoji(unified, shortName);\n    selectCallback(element.innerHTML.trim());\n};\n\n/**\n * Initialise the emoji auto complete.\n *\n * @param {Element} root The root container element for the auto complete\n * @param {Element} textArea The text area element to monitor for auto complete\n * @param {Function} hasSuggestionCallback Callback for when there are auto-complete suggestions\n * @param {Function} selectCallback Callback for when the user selects an emoji\n */\nexport default (root, textArea, hasSuggestionCallback, selectCallback) => {\n    let hasSuggestions = false;\n    let previousSearchText = '';\n\n    // Debounce the listener so that each keypress delays the execution of the handler. The\n    // handler should only run 200 milliseconds after the last keypress.\n    textArea.addEventListener('keyup', debounce(() => {\n        // This is a \"keyup\" listener so that it only executes after the text area value\n        // has been updated.\n        const text = textArea.value;\n        const cursorPos = textArea.selectionStart;\n        const searchText = getWordFromPosition(text, cursorPos);\n\n        if (searchText === previousSearchText) {\n            // Nothing has changed so no need to take any action.\n            return;\n        } else {\n            previousSearchText = searchText;\n        }\n\n        if (isCompleteShortName(searchText)) {\n            // If the user has entered a full short name (with leading and trialing colons)\n            // then see if we can find a match for it and auto complete it.\n            const shortName = getShortNameFromText(searchText);\n            const emojiText = getEmojiTextFromShortName(shortName);\n            hasSuggestions = false;\n            if (emojiText) {\n                addRecentEmoji(EmojiData.byShortName[shortName], shortName);\n                selectCallback(emojiText);\n            }\n        } else if (isPartialShortName(searchText)) {\n            // If the user has entered a partial short name (leading colon but no trailing) then\n            // search on the text to see if we can find some suggestions for them.\n            const suggestions = searchEmojis(getShortNameFromText(searchText), SUGGESTION_LIMIT);\n\n            if (suggestions.length) {\n                render(root, suggestions);\n                hasSuggestions = true;\n            } else {\n                hasSuggestions = false;\n            }\n        } else {\n            hasSuggestions = false;\n        }\n\n        hasSuggestionCallback(hasSuggestions);\n    }, INPUT_DEBOUNCE_TIMER));\n\n    textArea.addEventListener('keydown', (e) => {\n        if (hasSuggestions) {\n            const isModifierPressed = (e.shiftKey || e.metaKey || e.altKey || e.ctrlKey);\n            if (!isModifierPressed) {\n                switch (e.which) {\n                    case KeyCodes.escape:\n                        // Escape key closes the auto complete.\n                        hasSuggestions = false;\n                        hasSuggestionCallback(false);\n                        break;\n                    case KeyCodes.arrowLeft:\n                        // Arrow keys navigate through the list of suggetions.\n                        selectPreviousEmojiSuggestion(root);\n                        e.preventDefault();\n                        break;\n                    case KeyCodes.arrowRight:\n                        // Arrow keys navigate through the list of suggetions.\n                        selectNextEmojiSuggestion(root);\n                        e.preventDefault();\n                        break;\n                    case KeyCodes.enter:\n                        // Enter key selects the current suggestion.\n                        selectEmojiElement(getActiveEmojiSuggestion(root), selectCallback);\n                        e.preventDefault();\n                        e.stopPropagation();\n                        break;\n                }\n            }\n        }\n    });\n\n    root.addEventListener('click', (e) => {\n        const target = e.target;\n        if (target.matches(SELECTORS.EMOJI_BUTTON)) {\n            selectEmojiElement(target, selectCallback);\n        }\n    });\n};"],"file":"auto_complete.min.js"}
\ No newline at end of file
+{"version":3,"file":"auto_complete.min.js","sources":["../../src/emoji/auto_complete.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji auto complete.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as EmojiData from 'core/emoji/data';\nimport {render as renderTemplate} from 'core/templates';\nimport {debounce} from 'core/utils';\nimport LocalStorage from 'core/localstorage';\nimport KeyCodes from 'core/key_codes';\n\nconst INPUT_DEBOUNCE_TIMER = 200;\nconst SUGGESTION_LIMIT = 50;\nconst MAX_RECENT_COUNT = 27;\nconst RECENT_EMOJIS_STORAGE_KEY = 'moodle-recent-emojis';\n\nconst SELECTORS = {\n    EMOJI_BUTTON: '[data-region=\"emoji-button\"]',\n    ACTIVE_EMOJI_BUTTON: '[data-region=\"emoji-button\"].active',\n};\n\n/**\n * Get the list of recent emojis data from local storage.\n *\n * @return {Array}\n */\nconst getRecentEmojis = () => {\n    const storedData = LocalStorage.get(RECENT_EMOJIS_STORAGE_KEY);\n    return storedData ? JSON.parse(storedData) : [];\n};\n\n/**\n * Add an emoji data to the set of recent emojis. The new set of recent emojis are\n * saved in local storage.\n *\n * @param {String} unified The char chodes for the emoji\n * @param {String} shortName The emoji short name\n */\nconst addRecentEmoji = (unified, shortName) => {\n    const newEmoji = {\n        unified,\n        shortnames: [shortName]\n    };\n    const recentEmojis = getRecentEmojis();\n    // Add the new emoji to the start of the list of recent emojis.\n    let newRecentEmojis = [newEmoji, ...recentEmojis.filter(emoji => emoji.unified != newEmoji.unified)];\n    // Limit the number of recent emojis.\n    newRecentEmojis = newRecentEmojis.slice(0, MAX_RECENT_COUNT);\n\n    LocalStorage.set(RECENT_EMOJIS_STORAGE_KEY, JSON.stringify(newRecentEmojis));\n};\n\n/**\n * Get the actual emoji string from the short name.\n *\n * @param {String} shortName Emoji short name\n * @return {String|null}\n */\nconst getEmojiTextFromShortName = (shortName) => {\n    const unified = EmojiData.byShortName[shortName];\n\n    if (unified) {\n        const charCodes = unified.split('-').map(code => `0x${code}`);\n        return String.fromCodePoint.apply(null, charCodes);\n    } else {\n        return null;\n    }\n};\n\n/**\n * Render the auto complete list for the given short names.\n *\n * @param {Element} root The root container for the emoji auto complete\n * @param {Array} shortNames The list of short names for emoji suggestions to show\n */\nconst render = async (root, shortNames) => {\n    const renderContext = {\n        emojis: shortNames.map((shortName, index) => {\n            return {\n                active: index === 0,\n                emojitext: getEmojiTextFromShortName(shortName),\n                displayshortname: `:${shortName}:`,\n                shortname: shortName,\n                unified: EmojiData.byShortName[shortName]\n            };\n        })\n    };\n    const html = await renderTemplate('core/emoji/auto_complete', renderContext);\n    root.innerHTML = html;\n};\n\n/**\n * Get the list of emoji short names that include the given search term. If\n * the search term is an empty string then the list of recently used emojis\n * will be returned.\n *\n * @param {String} searchTerm Text to match on\n * @param {Number} limit Maximum number of results to return\n * @return {Array}\n */\nconst searchEmojis = (searchTerm, limit) => {\n    if (searchTerm === '') {\n        return getRecentEmojis().map(data => data.shortnames[0]).slice(0, limit);\n    } else {\n        searchTerm = searchTerm.toLowerCase();\n        return Object.keys(EmojiData.byShortName)\n                .filter(shortName => shortName.includes(searchTerm))\n                .slice(0, limit);\n    }\n};\n\n/**\n * Get the current word at the given position (index) within the text.\n *\n * @param {String} text The text to process\n * @param {Number} position The position (index) within the text to match the word\n * @return {String}\n */\nconst getWordFromPosition = (text, position) => {\n    const startMatches = text.slice(0, position).match(/(\\S*)$/);\n    const endMatches = text.slice(position).match(/^(\\S*)/);\n    let startText = '';\n    let endText = '';\n\n    if (startMatches) {\n        startText = startMatches[startMatches.length - 1];\n    }\n\n    if (endMatches) {\n        endText = endMatches[endMatches.length - 1];\n    }\n\n    return `${startText}${endText}`;\n};\n\n/**\n * Check if the given text is a full short name, i.e. has leading and trialing colon\n * characters.\n *\n * @param {String} text The text to process\n * @return {Bool}\n */\nconst isCompleteShortName = text => /^:[^:\\s]+:$/.test(text);\n\n/**\n * Check if the given text is a partial short name, i.e. has a leading colon but no\n * trailing colon.\n *\n * @param {String} text The text to process\n * @return {Bool}\n */\nconst isPartialShortName = text => /^:[^:\\s]*$/.test(text);\n\n/**\n * Remove the colon characters from the given text.\n *\n * @param {String} text The text to process\n * @return {String}\n */\nconst getShortNameFromText = text => text.replace(/:/g, '');\n\n/**\n * Get the currently active emoji button element in the list of suggestions.\n *\n * @param {Element} root The emoji auto complete container element\n * @return {Element|null}\n */\nconst getActiveEmojiSuggestion = (root) => {\n    return root.querySelector(SELECTORS.ACTIVE_EMOJI_BUTTON);\n};\n\n/**\n * Make the previous sibling of the current active emoji active.\n *\n * @param {Element} root The emoji auto complete container element\n */\nconst selectPreviousEmojiSuggestion = (root) => {\n    const activeEmojiSuggestion = getActiveEmojiSuggestion(root);\n    const previousSuggestion = activeEmojiSuggestion.previousElementSibling;\n\n    if (previousSuggestion) {\n        activeEmojiSuggestion.classList.remove('active');\n        previousSuggestion.classList.add('active');\n        previousSuggestion.scrollIntoView({behaviour: 'smooth', inline: 'center'});\n    }\n};\n\n/**\n * Make the next sibling to the current active emoji active.\n *\n * @param {Element} root The emoji auto complete container element\n */\nconst selectNextEmojiSuggestion = (root) => {\n    const activeEmojiSuggestion = getActiveEmojiSuggestion(root);\n    const nextSuggestion = activeEmojiSuggestion.nextElementSibling;\n\n    if (nextSuggestion) {\n        activeEmojiSuggestion.classList.remove('active');\n        nextSuggestion.classList.add('active');\n        nextSuggestion.scrollIntoView({behaviour: 'smooth', inline: 'center'});\n    }\n};\n\n/**\n * Trigger the select callback for the given emoji button element.\n *\n * @param {Element} element The emoji button element\n * @param {Function} selectCallback The callback for when the user selects an emoji\n */\nconst selectEmojiElement = (element, selectCallback) => {\n    const shortName = element.getAttribute('data-short-name');\n    const unified = element.getAttribute('data-unified');\n    addRecentEmoji(unified, shortName);\n    selectCallback(element.innerHTML.trim());\n};\n\n/**\n * Initialise the emoji auto complete.\n *\n * @param {Element} root The root container element for the auto complete\n * @param {Element} textArea The text area element to monitor for auto complete\n * @param {Function} hasSuggestionCallback Callback for when there are auto-complete suggestions\n * @param {Function} selectCallback Callback for when the user selects an emoji\n */\nexport default (root, textArea, hasSuggestionCallback, selectCallback) => {\n    let hasSuggestions = false;\n    let previousSearchText = '';\n\n    // Debounce the listener so that each keypress delays the execution of the handler. The\n    // handler should only run 200 milliseconds after the last keypress.\n    textArea.addEventListener('keyup', debounce(() => {\n        // This is a \"keyup\" listener so that it only executes after the text area value\n        // has been updated.\n        const text = textArea.value;\n        const cursorPos = textArea.selectionStart;\n        const searchText = getWordFromPosition(text, cursorPos);\n\n        if (searchText === previousSearchText) {\n            // Nothing has changed so no need to take any action.\n            return;\n        } else {\n            previousSearchText = searchText;\n        }\n\n        if (isCompleteShortName(searchText)) {\n            // If the user has entered a full short name (with leading and trialing colons)\n            // then see if we can find a match for it and auto complete it.\n            const shortName = getShortNameFromText(searchText);\n            const emojiText = getEmojiTextFromShortName(shortName);\n            hasSuggestions = false;\n            if (emojiText) {\n                addRecentEmoji(EmojiData.byShortName[shortName], shortName);\n                selectCallback(emojiText);\n            }\n        } else if (isPartialShortName(searchText)) {\n            // If the user has entered a partial short name (leading colon but no trailing) then\n            // search on the text to see if we can find some suggestions for them.\n            const suggestions = searchEmojis(getShortNameFromText(searchText), SUGGESTION_LIMIT);\n\n            if (suggestions.length) {\n                render(root, suggestions);\n                hasSuggestions = true;\n            } else {\n                hasSuggestions = false;\n            }\n        } else {\n            hasSuggestions = false;\n        }\n\n        hasSuggestionCallback(hasSuggestions);\n    }, INPUT_DEBOUNCE_TIMER));\n\n    textArea.addEventListener('keydown', (e) => {\n        if (hasSuggestions) {\n            const isModifierPressed = (e.shiftKey || e.metaKey || e.altKey || e.ctrlKey);\n            if (!isModifierPressed) {\n                switch (e.which) {\n                    case KeyCodes.escape:\n                        // Escape key closes the auto complete.\n                        hasSuggestions = false;\n                        hasSuggestionCallback(false);\n                        break;\n                    case KeyCodes.arrowLeft:\n                        // Arrow keys navigate through the list of suggetions.\n                        selectPreviousEmojiSuggestion(root);\n                        e.preventDefault();\n                        break;\n                    case KeyCodes.arrowRight:\n                        // Arrow keys navigate through the list of suggetions.\n                        selectNextEmojiSuggestion(root);\n                        e.preventDefault();\n                        break;\n                    case KeyCodes.enter:\n                        // Enter key selects the current suggestion.\n                        selectEmojiElement(getActiveEmojiSuggestion(root), selectCallback);\n                        e.preventDefault();\n                        e.stopPropagation();\n                        break;\n                }\n            }\n        }\n    });\n\n    root.addEventListener('click', (e) => {\n        const target = e.target;\n        if (target.matches(SELECTORS.EMOJI_BUTTON)) {\n            selectEmojiElement(target, selectCallback);\n        }\n    });\n};"],"names":["SELECTORS","getRecentEmojis","storedData","LocalStorage","get","JSON","parse","addRecentEmoji","unified","shortName","newEmoji","shortnames","recentEmojis","newRecentEmojis","filter","emoji","slice","set","stringify","getEmojiTextFromShortName","EmojiData","byShortName","charCodes","split","map","code","String","fromCodePoint","apply","render","root","shortNames","renderContext","emojis","index","active","emojitext","displayshortname","shortname","html","innerHTML","getShortNameFromText","text","replace","getActiveEmojiSuggestion","querySelector","selectEmojiElement","element","selectCallback","getAttribute","trim","textArea","hasSuggestionCallback","hasSuggestions","previousSearchText","addEventListener","searchText","position","startMatches","match","endMatches","startText","endText","length","getWordFromPosition","value","selectionStart","test","isCompleteShortName","emojiText","isPartialShortName","suggestions","searchTerm","limit","data","toLowerCase","Object","keys","includes","e","shiftKey","metaKey","altKey","ctrlKey","which","KeyCodes","escape","arrowLeft","activeEmojiSuggestion","previousSuggestion","previousElementSibling","classList","remove","add","scrollIntoView","behaviour","inline","selectPreviousEmojiSuggestion","preventDefault","arrowRight","nextSuggestion","nextElementSibling","selectNextEmojiSuggestion","enter","stopPropagation","target","matches"],"mappings":"6wFAgCMA,uBACY,+BADZA,8BAEmB,sCAQnBC,gBAAkB,eACdC,WAAaC,sBAAaC,IAbF,+BAcvBF,WAAaG,KAAKC,MAAMJ,YAAc,IAU3CK,eAAiB,SAACC,QAASC,eACvBC,SAAW,CACbF,QAAAA,QACAG,WAAY,CAACF,YAEXG,aAAeX,kBAEjBY,iBAAmBH,oCAAaE,aAAaE,QAAO,SAAAC,cAASA,MAAMP,SAAWE,SAASF,aAE3FK,gBAAkBA,gBAAgBG,MAAM,EAlCnB,0BAoCRC,IAnCiB,uBAmCcZ,KAAKa,UAAUL,mBASzDM,0BAA4B,SAACV,eACzBD,QAAUY,UAAUC,YAAYZ,cAElCD,QAAS,KACHc,UAAYd,QAAQe,MAAM,KAAKC,KAAI,SAAAC,wBAAaA,gBAC/CC,OAAOC,cAAcC,MAAM,KAAMN,kBAEjC,MAUTO,oCAAS,iBAAOC,KAAMC,+IAClBC,cAAgB,CAClBC,OAAQF,WAAWP,KAAI,SAACf,UAAWyB,aACxB,CACHC,OAAkB,IAAVD,MACRE,UAAWjB,0BAA0BV,WACrC4B,4BAAsB5B,eACtB6B,UAAW7B,UACXD,QAASY,UAAUC,YAAYZ,iCAIxB,qBAAe,2BAA4BuB,sBAAxDO,mBACNT,KAAKU,UAAYD,qaAuEfE,qBAAuB,SAAAC,aAAQA,KAAKC,QAAQ,KAAM,KAQlDC,yBAA2B,SAACd,aACvBA,KAAKe,cAAc7C,gCAyCxB8C,mBAAqB,SAACC,QAASC,oBAC3BvC,UAAYsC,QAAQE,aAAa,mBACjCzC,QAAUuC,QAAQE,aAAa,gBACrC1C,eAAeC,QAASC,WACxBuC,eAAeD,QAAQP,UAAUU,iCAWtB,SAACpB,KAAMqB,SAAUC,sBAAuBJ,oBAC/CK,gBAAiB,EACjBC,mBAAqB,GAIzBH,SAASI,iBAAiB,SAAS,oBAAS,eAKlCC,WArHc,SAACd,KAAMe,cACzBC,aAAehB,KAAK1B,MAAM,EAAGyC,UAAUE,MAAM,UAC7CC,WAAalB,KAAK1B,MAAMyC,UAAUE,MAAM,UAC1CE,UAAY,GACZC,QAAU,UAEVJ,eACAG,UAAYH,aAAaA,aAAaK,OAAS,IAG/CH,aACAE,QAAUF,WAAWA,WAAWG,OAAS,cAGnCF,kBAAYC,SAuGCE,CAFNb,SAASc,MACJd,SAASe,mBAGvBV,aAAeF,uBAIfA,mBAAqBE,WAnGL,SAAAd,YAAQ,cAAcyB,KAAKzB,MAsG3C0B,CAAoBZ,YAAa,KAG3B/C,UAAYgC,qBAAqBe,YACjCa,UAAYlD,0BAA0BV,WAC5C4C,gBAAiB,EACbgB,YACA9D,eAAea,UAAUC,YAAYZ,WAAYA,WACjDuC,eAAeqB,iBAEhB,GAvGY,SAAA3B,YAAQ,aAAayB,KAAKzB,MAuGlC4B,CAAmBd,YAAa,KAGjCe,aA7JIC,WA6JuB/B,qBAAqBe,YA7JhCiB,MAxFT,GAyFF,KAAfD,WACOvE,kBAAkBuB,KAAI,SAAAkD,aAAQA,KAAK/D,WAAW,MAAIK,MAAM,EAAGyD,QAElED,WAAaA,WAAWG,cACjBC,OAAOC,KAAKzD,UAAUC,aACpBP,QAAO,SAAAL,kBAAaA,UAAUqE,SAASN,eACvCxD,MAAM,EAAGyD,SAwJVF,YAAYR,QACZlC,OAAOC,KAAMyC,aACblB,gBAAiB,GAEjBA,gBAAiB,OAGrBA,gBAAiB,EAtKR,IAACmB,WAAYC,MAyK1BrB,sBAAsBC,mBAlQD,MAqQzBF,SAASI,iBAAiB,WAAW,SAACwB,MAC9B1B,kBAC2B0B,EAAEC,UAAYD,EAAEE,SAAWF,EAAEG,QAAUH,EAAEI,gBAExDJ,EAAEK,YACDC,mBAASC,OAEVjC,gBAAiB,EACjBD,uBAAsB,cAErBiC,mBAASE,WA1GI,SAACzD,UAC7B0D,sBAAwB5C,yBAAyBd,MACjD2D,mBAAqBD,sBAAsBE,uBAE7CD,qBACAD,sBAAsBG,UAAUC,OAAO,UACvCH,mBAAmBE,UAAUE,IAAI,UACjCJ,mBAAmBK,eAAe,CAACC,UAAW,SAAUC,OAAQ,YAqGhDC,CAA8BnE,MAC9BiD,EAAEmB,4BAEDb,mBAASc,YA/FA,SAACrE,UACzB0D,sBAAwB5C,yBAAyBd,MACjDsE,eAAiBZ,sBAAsBa,mBAEzCD,iBACAZ,sBAAsBG,UAAUC,OAAO,UACvCQ,eAAeT,UAAUE,IAAI,UAC7BO,eAAeN,eAAe,CAACC,UAAW,SAAUC,OAAQ,YA0F5CM,CAA0BxE,MAC1BiD,EAAEmB,4BAEDb,mBAASkB,MAEVzD,mBAAmBF,yBAAyBd,MAAOkB,gBACnD+B,EAAEmB,iBACFnB,EAAEyB,sBAOtB1E,KAAKyB,iBAAiB,SAAS,SAACwB,OACtB0B,OAAS1B,EAAE0B,OACbA,OAAOC,QAAQ1G,yBACf8C,mBAAmB2D,OAAQzD"}
\ No newline at end of file
diff --git a/lib/amd/build/emoji/data.min.js b/lib/amd/build/emoji/data.min.js
index 6bb156dfc3a..d36d58c7cdb 100644
--- a/lib/amd/build/emoji/data.min.js
+++ b/lib/amd/build/emoji/data.min.js
@@ -1,2 +1,3 @@
-define ("core/emoji/data",["exports"],function(F){"use strict";Object.defineProperty(F,"__esModule",{value:!0});F.byShortName=F.byCategory=void 0;F.byCategory=[{name:"Smileys & People",emojis:[{unified:"1F600",shortnames:["grinning"]},{unified:"1F601",shortnames:["grin"]},{unified:"1F602",shortnames:["joy"]},{unified:"1F923",shortnames:["rolling_on_the_floor_laughing"]},{unified:"1F603",shortnames:["smiley"]},{unified:"1F604",shortnames:["smile"]},{unified:"1F605",shortnames:["sweat_smile"]},{unified:"1F606",shortnames:["laughing"]},{unified:"1F609",shortnames:["wink"]},{unified:"1F60A",shortnames:["blush"]},{unified:"1F60B",shortnames:["yum"]},{unified:"1F60E",shortnames:["sunglasses"]},{unified:"1F60D",shortnames:["heart_eyes"]},{unified:"1F618",shortnames:["kissing_heart"]},{unified:"1F617",shortnames:["kissing"]},{unified:"1F619",shortnames:["kissing_smiling_eyes"]},{unified:"1F61A",shortnames:["kissing_closed_eyes"]},{unified:"263A-FE0F",shortnames:["relaxed"]},{unified:"1F642",shortnames:["slightly_smiling_face"]},{unified:"1F917",shortnames:["hugging_face"]},{unified:"1F929",shortnames:["star-struck"]},{unified:"1F914",shortnames:["thinking_face"]},{unified:"1F928",shortnames:["face_with_raised_eyebrow"]},{unified:"1F610",shortnames:["neutral_face"]},{unified:"1F611",shortnames:["expressionless"]},{unified:"1F636",shortnames:["no_mouth"]},{unified:"1F644",shortnames:["face_with_rolling_eyes"]},{unified:"1F60F",shortnames:["smirk"]},{unified:"1F623",shortnames:["persevere"]},{unified:"1F625",shortnames:["disappointed_relieved"]},{unified:"1F62E",shortnames:["open_mouth"]},{unified:"1F910",shortnames:["zipper_mouth_face"]},{unified:"1F62F",shortnames:["hushed"]},{unified:"1F62A",shortnames:["sleepy"]},{unified:"1F62B",shortnames:["tired_face"]},{unified:"1F634",shortnames:["sleeping"]},{unified:"1F60C",shortnames:["relieved"]},{unified:"1F61B",shortnames:["stuck_out_tongue"]},{unified:"1F61C",shortnames:["stuck_out_tongue_winking_eye"]},{unified:"1F61D",shortnames:["stuck_out_tongue_closed_eyes"]},{unified:"1F924",shortnames:["drooling_face"]},{unified:"1F612",shortnames:["unamused"]},{unified:"1F613",shortnames:["sweat"]},{unified:"1F614",shortnames:["pensive"]},{unified:"1F615",shortnames:["confused"]},{unified:"1F643",shortnames:["upside_down_face"]},{unified:"1F911",shortnames:["money_mouth_face"]},{unified:"1F632",shortnames:["astonished"]},{unified:"2639-FE0F",shortnames:["white_frowning_face"]},{unified:"1F641",shortnames:["slightly_frowning_face"]},{unified:"1F616",shortnames:["confounded"]},{unified:"1F61E",shortnames:["disappointed"]},{unified:"1F61F",shortnames:["worried"]},{unified:"1F624",shortnames:["triumph"]},{unified:"1F622",shortnames:["cry"]},{unified:"1F62D",shortnames:["sob"]},{unified:"1F626",shortnames:["frowning"]},{unified:"1F627",shortnames:["anguished"]},{unified:"1F628",shortnames:["fearful"]},{unified:"1F629",shortnames:["weary"]},{unified:"1F92F",shortnames:["exploding_head"]},{unified:"1F62C",shortnames:["grimacing"]},{unified:"1F630",shortnames:["cold_sweat"]},{unified:"1F631",shortnames:["scream"]},{unified:"1F633",shortnames:["flushed"]},{unified:"1F92A",shortnames:["zany_face"]},{unified:"1F635",shortnames:["dizzy_face"]},{unified:"1F621",shortnames:["rage"]},{unified:"1F620",shortnames:["angry"]},{unified:"1F92C",shortnames:["face_with_symbols_on_mouth"]},{unified:"1F637",shortnames:["mask"]},{unified:"1F912",shortnames:["face_with_thermometer"]},{unified:"1F915",shortnames:["face_with_head_bandage"]},{unified:"1F922",shortnames:["nauseated_face"]},{unified:"1F92E",shortnames:["face_vomiting"]},{unified:"1F927",shortnames:["sneezing_face"]},{unified:"1F607",shortnames:["innocent"]},{unified:"1F920",shortnames:["face_with_cowboy_hat"]},{unified:"1F921",shortnames:["clown_face"]},{unified:"1F925",shortnames:["lying_face"]},{unified:"1F92B",shortnames:["shushing_face"]},{unified:"1F92D",shortnames:["face_with_hand_over_mouth"]},{unified:"1F9D0",shortnames:["face_with_monocle"]},{unified:"1F913",shortnames:["nerd_face"]},{unified:"1F608",shortnames:["smiling_imp"]},{unified:"1F47F",shortnames:["imp"]},{unified:"1F479",shortnames:["japanese_ogre"]},{unified:"1F47A",shortnames:["japanese_goblin"]},{unified:"1F480",shortnames:["skull"]},{unified:"2620-FE0F",shortnames:["skull_and_crossbones"]},{unified:"1F47B",shortnames:["ghost"]},{unified:"1F47D",shortnames:["alien"]},{unified:"1F47E",shortnames:["space_invader"]},{unified:"1F916",shortnames:["robot_face"]},{unified:"1F4A9",shortnames:["hankey"]},{unified:"1F63A",shortnames:["smiley_cat"]},{unified:"1F638",shortnames:["smile_cat"]},{unified:"1F639",shortnames:["joy_cat"]},{unified:"1F63B",shortnames:["heart_eyes_cat"]},{unified:"1F63C",shortnames:["smirk_cat"]},{unified:"1F63D",shortnames:["kissing_cat"]},{unified:"1F640",shortnames:["scream_cat"]},{unified:"1F63F",shortnames:["crying_cat_face"]},{unified:"1F63E",shortnames:["pouting_cat"]},{unified:"1F648",shortnames:["see_no_evil"]},{unified:"1F649",shortnames:["hear_no_evil"]},{unified:"1F64A",shortnames:["speak_no_evil"]},{unified:"1F476",shortnames:["baby"]},{unified:"1F9D2",shortnames:["child"]},{unified:"1F466",shortnames:["boy"]},{unified:"1F467",shortnames:["girl"]},{unified:"1F9D1",shortnames:["adult"]},{unified:"1F468",shortnames:["man"]},{unified:"1F469",shortnames:["woman"]},{unified:"1F9D3",shortnames:["older_adult"]},{unified:"1F474",shortnames:["older_man"]},{unified:"1F475",shortnames:["older_woman"]},{unified:"1F468-200D-2695-FE0F",shortnames:["male-doctor"]},{unified:"1F469-200D-2695-FE0F",shortnames:["female-doctor"]},{unified:"1F468-200D-1F393",shortnames:["male-student"]},{unified:"1F469-200D-1F393",shortnames:["female-student"]},{unified:"1F468-200D-1F3EB",shortnames:["male-teacher"]},{unified:"1F469-200D-1F3EB",shortnames:["female-teacher"]},{unified:"1F468-200D-2696-FE0F",shortnames:["male-judge"]},{unified:"1F469-200D-2696-FE0F",shortnames:["female-judge"]},{unified:"1F468-200D-1F33E",shortnames:["male-farmer"]},{unified:"1F469-200D-1F33E",shortnames:["female-farmer"]},{unified:"1F468-200D-1F373",shortnames:["male-cook"]},{unified:"1F469-200D-1F373",shortnames:["female-cook"]},{unified:"1F468-200D-1F527",shortnames:["male-mechanic"]},{unified:"1F469-200D-1F527",shortnames:["female-mechanic"]},{unified:"1F468-200D-1F3ED",shortnames:["male-factory-worker"]},{unified:"1F469-200D-1F3ED",shortnames:["female-factory-worker"]},{unified:"1F468-200D-1F4BC",shortnames:["male-office-worker"]},{unified:"1F469-200D-1F4BC",shortnames:["female-office-worker"]},{unified:"1F468-200D-1F52C",shortnames:["male-scientist"]},{unified:"1F469-200D-1F52C",shortnames:["female-scientist"]},{unified:"1F468-200D-1F4BB",shortnames:["male-technologist"]},{unified:"1F469-200D-1F4BB",shortnames:["female-technologist"]},{unified:"1F468-200D-1F3A4",shortnames:["male-singer"]},{unified:"1F469-200D-1F3A4",shortnames:["female-singer"]},{unified:"1F468-200D-1F3A8",shortnames:["male-artist"]},{unified:"1F469-200D-1F3A8",shortnames:["female-artist"]},{unified:"1F468-200D-2708-FE0F",shortnames:["male-pilot"]},{unified:"1F469-200D-2708-FE0F",shortnames:["female-pilot"]},{unified:"1F468-200D-1F680",shortnames:["male-astronaut"]},{unified:"1F469-200D-1F680",shortnames:["female-astronaut"]},{unified:"1F468-200D-1F692",shortnames:["male-firefighter"]},{unified:"1F469-200D-1F692",shortnames:["female-firefighter"]},{unified:"1F46E-200D-2642-FE0F",shortnames:["male-police-officer","cop"]},{unified:"1F46E-200D-2640-FE0F",shortnames:["female-police-officer"]},{unified:"1F575-FE0F-200D-2642-FE0F",shortnames:["male-detective","sleuth_or_spy"]},{unified:"1F575-FE0F-200D-2640-FE0F",shortnames:["female-detective"]},{unified:"1F482-200D-2642-FE0F",shortnames:["male-guard","guardsman"]},{unified:"1F482-200D-2640-FE0F",shortnames:["female-guard"]},{unified:"1F477-200D-2642-FE0F",shortnames:["male-construction-worker","construction_worker"]},{unified:"1F477-200D-2640-FE0F",shortnames:["female-construction-worker"]},{unified:"1F934",shortnames:["prince"]},{unified:"1F478",shortnames:["princess"]},{unified:"1F473-200D-2642-FE0F",shortnames:["man-wearing-turban","man_with_turban"]},{unified:"1F473-200D-2640-FE0F",shortnames:["woman-wearing-turban"]},{unified:"1F472",shortnames:["man_with_gua_pi_mao"]},{unified:"1F9D5",shortnames:["person_with_headscarf"]},{unified:"1F9D4",shortnames:["bearded_person"]},{unified:"1F471-200D-2642-FE0F",shortnames:["blond-haired-man","person_with_blond_hair"]},{unified:"1F471-200D-2640-FE0F",shortnames:["blond-haired-woman"]},{unified:"1F935",shortnames:["man_in_tuxedo"]},{unified:"1F470",shortnames:["bride_with_veil"]},{unified:"1F930",shortnames:["pregnant_woman"]},{unified:"1F931",shortnames:["breast-feeding"]},{unified:"1F47C",shortnames:["angel"]},{unified:"1F385",shortnames:["santa"]},{unified:"1F936",shortnames:["mrs_claus"]},{unified:"1F9D9-200D-2640-FE0F",shortnames:["female_mage","mage"]},{unified:"1F9D9-200D-2642-FE0F",shortnames:["male_mage"]},{unified:"1F9DA-200D-2640-FE0F",shortnames:["female_fairy","fairy"]},{unified:"1F9DA-200D-2642-FE0F",shortnames:["male_fairy"]},{unified:"1F9DB-200D-2640-FE0F",shortnames:["female_vampire","vampire"]},{unified:"1F9DB-200D-2642-FE0F",shortnames:["male_vampire"]},{unified:"1F9DC-200D-2640-FE0F",shortnames:["mermaid"]},{unified:"1F9DC-200D-2642-FE0F",shortnames:["merman","merperson"]},{unified:"1F9DD-200D-2640-FE0F",shortnames:["female_elf"]},{unified:"1F9DD-200D-2642-FE0F",shortnames:["male_elf","elf"]},{unified:"1F9DE-200D-2640-FE0F",shortnames:["female_genie"]},{unified:"1F9DE-200D-2642-FE0F",shortnames:["male_genie","genie"]},{unified:"1F9DF-200D-2640-FE0F",shortnames:["female_zombie"]},{unified:"1F9DF-200D-2642-FE0F",shortnames:["male_zombie","zombie"]},{unified:"1F64D-200D-2642-FE0F",shortnames:["man-frowning"]},{unified:"1F64D-200D-2640-FE0F",shortnames:["woman-frowning","person_frowning"]},{unified:"1F64E-200D-2642-FE0F",shortnames:["man-pouting"]},{unified:"1F64E-200D-2640-FE0F",shortnames:["woman-pouting","person_with_pouting_face"]},{unified:"1F645-200D-2642-FE0F",shortnames:["man-gesturing-no"]},{unified:"1F645-200D-2640-FE0F",shortnames:["woman-gesturing-no","no_good"]},{unified:"1F646-200D-2642-FE0F",shortnames:["man-gesturing-ok"]},{unified:"1F646-200D-2640-FE0F",shortnames:["woman-gesturing-ok","ok_woman"]},{unified:"1F481-200D-2642-FE0F",shortnames:["man-tipping-hand"]},{unified:"1F481-200D-2640-FE0F",shortnames:["woman-tipping-hand","information_desk_person"]},{unified:"1F64B-200D-2642-FE0F",shortnames:["man-raising-hand"]},{unified:"1F64B-200D-2640-FE0F",shortnames:["woman-raising-hand","raising_hand"]},{unified:"1F647-200D-2642-FE0F",shortnames:["man-bowing","bow"]},{unified:"1F647-200D-2640-FE0F",shortnames:["woman-bowing"]},{unified:"1F926",shortnames:["face_palm"]},{unified:"1F926-200D-2642-FE0F",shortnames:["man-facepalming"]},{unified:"1F926-200D-2640-FE0F",shortnames:["woman-facepalming"]},{unified:"1F937",shortnames:["shrug"]},{unified:"1F937-200D-2642-FE0F",shortnames:["man-shrugging"]},{unified:"1F937-200D-2640-FE0F",shortnames:["woman-shrugging"]},{unified:"1F486-200D-2642-FE0F",shortnames:["man-getting-massage"]},{unified:"1F486-200D-2640-FE0F",shortnames:["woman-getting-massage","massage"]},{unified:"1F487-200D-2642-FE0F",shortnames:["man-getting-haircut"]},{unified:"1F487-200D-2640-FE0F",shortnames:["woman-getting-haircut","haircut"]},{unified:"1F6B6-200D-2642-FE0F",shortnames:["man-walking","walking"]},{unified:"1F6B6-200D-2640-FE0F",shortnames:["woman-walking"]},{unified:"1F3C3-200D-2642-FE0F",shortnames:["man-running","runner"]},{unified:"1F3C3-200D-2640-FE0F",shortnames:["woman-running"]},{unified:"1F483",shortnames:["dancer"]},{unified:"1F57A",shortnames:["man_dancing"]},{unified:"1F46F-200D-2642-FE0F",shortnames:["man-with-bunny-ears-partying"]},{unified:"1F46F-200D-2640-FE0F",shortnames:["woman-with-bunny-ears-partying","dancers"]},{unified:"1F9D6-200D-2640-FE0F",shortnames:["woman_in_steamy_room"]},{unified:"1F9D6-200D-2642-FE0F",shortnames:["man_in_steamy_room","person_in_steamy_room"]},{unified:"1F9D7-200D-2640-FE0F",shortnames:["woman_climbing","person_climbing"]},{unified:"1F9D7-200D-2642-FE0F",shortnames:["man_climbing"]},{unified:"1F9D8-200D-2640-FE0F",shortnames:["woman_in_lotus_position","person_in_lotus_position"]},{unified:"1F9D8-200D-2642-FE0F",shortnames:["man_in_lotus_position"]},{unified:"1F6C0",shortnames:["bath"]},{unified:"1F6CC",shortnames:["sleeping_accommodation"]},{unified:"1F574-FE0F",shortnames:["man_in_business_suit_levitating"]},{unified:"1F5E3-FE0F",shortnames:["speaking_head_in_silhouette"]},{unified:"1F464",shortnames:["bust_in_silhouette"]},{unified:"1F465",shortnames:["busts_in_silhouette"]},{unified:"1F93A",shortnames:["fencer"]},{unified:"1F3C7",shortnames:["horse_racing"]},{unified:"26F7-FE0F",shortnames:["skier"]},{unified:"1F3C2",shortnames:["snowboarder"]},{unified:"1F3CC-FE0F-200D-2642-FE0F",shortnames:["man-golfing","golfer"]},{unified:"1F3CC-FE0F-200D-2640-FE0F",shortnames:["woman-golfing"]},{unified:"1F3C4-200D-2642-FE0F",shortnames:["man-surfing","surfer"]},{unified:"1F3C4-200D-2640-FE0F",shortnames:["woman-surfing"]},{unified:"1F6A3-200D-2642-FE0F",shortnames:["man-rowing-boat","rowboat"]},{unified:"1F6A3-200D-2640-FE0F",shortnames:["woman-rowing-boat"]},{unified:"1F3CA-200D-2642-FE0F",shortnames:["man-swimming","swimmer"]},{unified:"1F3CA-200D-2640-FE0F",shortnames:["woman-swimming"]},{unified:"26F9-FE0F-200D-2642-FE0F",shortnames:["man-bouncing-ball","person_with_ball"]},{unified:"26F9-FE0F-200D-2640-FE0F",shortnames:["woman-bouncing-ball"]},{unified:"1F3CB-FE0F-200D-2642-FE0F",shortnames:["man-lifting-weights","weight_lifter"]},{unified:"1F3CB-FE0F-200D-2640-FE0F",shortnames:["woman-lifting-weights"]},{unified:"1F6B4-200D-2642-FE0F",shortnames:["man-biking","bicyclist"]},{unified:"1F6B4-200D-2640-FE0F",shortnames:["woman-biking"]},{unified:"1F6B5-200D-2642-FE0F",shortnames:["man-mountain-biking","mountain_bicyclist"]},{unified:"1F6B5-200D-2640-FE0F",shortnames:["woman-mountain-biking"]},{unified:"1F3CE-FE0F",shortnames:["racing_car"]},{unified:"1F3CD-FE0F",shortnames:["racing_motorcycle"]},{unified:"1F938",shortnames:["person_doing_cartwheel"]},{unified:"1F938-200D-2642-FE0F",shortnames:["man-cartwheeling"]},{unified:"1F938-200D-2640-FE0F",shortnames:["woman-cartwheeling"]},{unified:"1F93C",shortnames:["wrestlers"]},{unified:"1F93C-200D-2642-FE0F",shortnames:["man-wrestling"]},{unified:"1F93C-200D-2640-FE0F",shortnames:["woman-wrestling"]},{unified:"1F93D",shortnames:["water_polo"]},{unified:"1F93D-200D-2642-FE0F",shortnames:["man-playing-water-polo"]},{unified:"1F93D-200D-2640-FE0F",shortnames:["woman-playing-water-polo"]},{unified:"1F93E",shortnames:["handball"]},{unified:"1F93E-200D-2642-FE0F",shortnames:["man-playing-handball"]},{unified:"1F93E-200D-2640-FE0F",shortnames:["woman-playing-handball"]},{unified:"1F939",shortnames:["juggling"]},{unified:"1F939-200D-2642-FE0F",shortnames:["man-juggling"]},{unified:"1F939-200D-2640-FE0F",shortnames:["woman-juggling"]},{unified:"1F46B",shortnames:["couple"]},{unified:"1F46C",shortnames:["two_men_holding_hands"]},{unified:"1F46D",shortnames:["two_women_holding_hands"]},{unified:"1F469-200D-2764-FE0F-200D-1F48B-200D-1F468",shortnames:["woman-kiss-man","couplekiss"]},{unified:"1F468-200D-2764-FE0F-200D-1F48B-200D-1F468",shortnames:["man-kiss-man"]},{unified:"1F469-200D-2764-FE0F-200D-1F48B-200D-1F469",shortnames:["woman-kiss-woman"]},{unified:"1F469-200D-2764-FE0F-200D-1F468",shortnames:["woman-heart-man","couple_with_heart"]},{unified:"1F468-200D-2764-FE0F-200D-1F468",shortnames:["man-heart-man"]},{unified:"1F469-200D-2764-FE0F-200D-1F469",shortnames:["woman-heart-woman"]},{unified:"1F468-200D-1F469-200D-1F466",shortnames:["man-woman-boy","family"]},{unified:"1F468-200D-1F469-200D-1F467",shortnames:["man-woman-girl"]},{unified:"1F468-200D-1F469-200D-1F467-200D-1F466",shortnames:["man-woman-girl-boy"]},{unified:"1F468-200D-1F469-200D-1F466-200D-1F466",shortnames:["man-woman-boy-boy"]},{unified:"1F468-200D-1F469-200D-1F467-200D-1F467",shortnames:["man-woman-girl-girl"]},{unified:"1F468-200D-1F468-200D-1F466",shortnames:["man-man-boy"]},{unified:"1F468-200D-1F468-200D-1F467",shortnames:["man-man-girl"]},{unified:"1F468-200D-1F468-200D-1F467-200D-1F466",shortnames:["man-man-girl-boy"]},{unified:"1F468-200D-1F468-200D-1F466-200D-1F466",shortnames:["man-man-boy-boy"]},{unified:"1F468-200D-1F468-200D-1F467-200D-1F467",shortnames:["man-man-girl-girl"]},{unified:"1F469-200D-1F469-200D-1F466",shortnames:["woman-woman-boy"]},{unified:"1F469-200D-1F469-200D-1F467",shortnames:["woman-woman-girl"]},{unified:"1F469-200D-1F469-200D-1F467-200D-1F466",shortnames:["woman-woman-girl-boy"]},{unified:"1F469-200D-1F469-200D-1F466-200D-1F466",shortnames:["woman-woman-boy-boy"]},{unified:"1F469-200D-1F469-200D-1F467-200D-1F467",shortnames:["woman-woman-girl-girl"]},{unified:"1F468-200D-1F466",shortnames:["man-boy"]},{unified:"1F468-200D-1F466-200D-1F466",shortnames:["man-boy-boy"]},{unified:"1F468-200D-1F467",shortnames:["man-girl"]},{unified:"1F468-200D-1F467-200D-1F466",shortnames:["man-girl-boy"]},{unified:"1F468-200D-1F467-200D-1F467",shortnames:["man-girl-girl"]},{unified:"1F469-200D-1F466",shortnames:["woman-boy"]},{unified:"1F469-200D-1F466-200D-1F466",shortnames:["woman-boy-boy"]},{unified:"1F469-200D-1F467",shortnames:["woman-girl"]},{unified:"1F469-200D-1F467-200D-1F466",shortnames:["woman-girl-boy"]},{unified:"1F469-200D-1F467-200D-1F467",shortnames:["woman-girl-girl"]},{unified:"1F933",shortnames:["selfie"]},{unified:"1F4AA",shortnames:["muscle"]},{unified:"1F448",shortnames:["point_left"]},{unified:"1F449",shortnames:["point_right"]},{unified:"261D-FE0F",shortnames:["point_up"]},{unified:"1F446",shortnames:["point_up_2"]},{unified:"1F595",shortnames:["middle_finger"]},{unified:"1F447",shortnames:["point_down"]},{unified:"270C-FE0F",shortnames:["v"]},{unified:"1F91E",shortnames:["crossed_fingers"]},{unified:"1F596",shortnames:["spock-hand"]},{unified:"1F918",shortnames:["the_horns"]},{unified:"1F919",shortnames:["call_me_hand"]},{unified:"1F590-FE0F",shortnames:["raised_hand_with_fingers_splayed"]},{unified:"270B",shortnames:["hand"]},{unified:"1F44C",shortnames:["ok_hand"]},{unified:"1F44D",shortnames:["+1"]},{unified:"1F44E",shortnames:["-1"]},{unified:"270A",shortnames:["fist"]},{unified:"1F44A",shortnames:["facepunch"]},{unified:"1F91B",shortnames:["left-facing_fist"]},{unified:"1F91C",shortnames:["right-facing_fist"]},{unified:"1F91A",shortnames:["raised_back_of_hand"]},{unified:"1F44B",shortnames:["wave"]},{unified:"1F91F",shortnames:["i_love_you_hand_sign"]},{unified:"270D-FE0F",shortnames:["writing_hand"]},{unified:"1F44F",shortnames:["clap"]},{unified:"1F450",shortnames:["open_hands"]},{unified:"1F64C",shortnames:["raised_hands"]},{unified:"1F932",shortnames:["palms_up_together"]},{unified:"1F64F",shortnames:["pray"]},{unified:"1F91D",shortnames:["handshake"]},{unified:"1F485",shortnames:["nail_care"]},{unified:"1F442",shortnames:["ear"]},{unified:"1F443",shortnames:["nose"]},{unified:"1F463",shortnames:["footprints"]},{unified:"1F440",shortnames:["eyes"]},{unified:"1F441-FE0F",shortnames:["eye"]},{unified:"1F441-FE0F-200D-1F5E8-FE0F",shortnames:["eye-in-speech-bubble"]},{unified:"1F9E0",shortnames:["brain"]},{unified:"1F445",shortnames:["tongue"]},{unified:"1F444",shortnames:["lips"]},{unified:"1F48B",shortnames:["kiss"]},{unified:"1F498",shortnames:["cupid"]},{unified:"2764-FE0F",shortnames:["heart"]},{unified:"1F493",shortnames:["heartbeat"]},{unified:"1F494",shortnames:["broken_heart"]},{unified:"1F495",shortnames:["two_hearts"]},{unified:"1F496",shortnames:["sparkling_heart"]},{unified:"1F497",shortnames:["heartpulse"]},{unified:"1F499",shortnames:["blue_heart"]},{unified:"1F49A",shortnames:["green_heart"]},{unified:"1F49B",shortnames:["yellow_heart"]},{unified:"1F9E1",shortnames:["orange_heart"]},{unified:"1F49C",shortnames:["purple_heart"]},{unified:"1F5A4",shortnames:["black_heart"]},{unified:"1F49D",shortnames:["gift_heart"]},{unified:"1F49E",shortnames:["revolving_hearts"]},{unified:"1F49F",shortnames:["heart_decoration"]},{unified:"2763-FE0F",shortnames:["heavy_heart_exclamation_mark_ornament"]},{unified:"1F48C",shortnames:["love_letter"]},{unified:"1F4A4",shortnames:["zzz"]},{unified:"1F4A2",shortnames:["anger"]},{unified:"1F4A3",shortnames:["bomb"]},{unified:"1F4A5",shortnames:["boom"]},{unified:"1F4A6",shortnames:["sweat_drops"]},{unified:"1F4A8",shortnames:["dash"]},{unified:"1F4AB",shortnames:["dizzy"]},{unified:"1F4AC",shortnames:["speech_balloon"]},{unified:"1F5E8-FE0F",shortnames:["left_speech_bubble"]},{unified:"1F5EF-FE0F",shortnames:["right_anger_bubble"]},{unified:"1F4AD",shortnames:["thought_balloon"]},{unified:"1F573-FE0F",shortnames:["hole"]},{unified:"1F453",shortnames:["eyeglasses"]},{unified:"1F576-FE0F",shortnames:["dark_sunglasses"]},{unified:"1F454",shortnames:["necktie"]},{unified:"1F455",shortnames:["shirt"]},{unified:"1F456",shortnames:["jeans"]},{unified:"1F9E3",shortnames:["scarf"]},{unified:"1F9E4",shortnames:["gloves"]},{unified:"1F9E5",shortnames:["coat"]},{unified:"1F9E6",shortnames:["socks"]},{unified:"1F457",shortnames:["dress"]},{unified:"1F458",shortnames:["kimono"]},{unified:"1F459",shortnames:["bikini"]},{unified:"1F45A",shortnames:["womans_clothes"]},{unified:"1F45B",shortnames:["purse"]},{unified:"1F45C",shortnames:["handbag"]},{unified:"1F45D",shortnames:["pouch"]},{unified:"1F6CD-FE0F",shortnames:["shopping_bags"]},{unified:"1F392",shortnames:["school_satchel"]},{unified:"1F45E",shortnames:["mans_shoe"]},{unified:"1F45F",shortnames:["athletic_shoe"]},{unified:"1F460",shortnames:["high_heel"]},{unified:"1F461",shortnames:["sandal"]},{unified:"1F462",shortnames:["boot"]},{unified:"1F451",shortnames:["crown"]},{unified:"1F452",shortnames:["womans_hat"]},{unified:"1F3A9",shortnames:["tophat"]},{unified:"1F393",shortnames:["mortar_board"]},{unified:"1F9E2",shortnames:["billed_cap"]},{unified:"26D1-FE0F",shortnames:["helmet_with_white_cross"]},{unified:"1F4FF",shortnames:["prayer_beads"]},{unified:"1F484",shortnames:["lipstick"]},{unified:"1F48D",shortnames:["ring"]},{unified:"1F48E",shortnames:["gem"]}]},{name:"Animals 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26F4-FE0F",shortnames:["ferry"]},{unified:"1F6E5-FE0F",shortnames:["motor_boat"]},{unified:"1F6A2",shortnames:["ship"]},{unified:"2708-FE0F",shortnames:["airplane"]},{unified:"1F6E9-FE0F",shortnames:["small_airplane"]},{unified:"1F6EB",shortnames:["airplane_departure"]},{unified:"1F6EC",shortnames:["airplane_arriving"]},{unified:"1F4BA",shortnames:["seat"]},{unified:"1F681",shortnames:["helicopter"]},{unified:"1F69F",shortnames:["suspension_railway"]},{unified:"1F6A0",shortnames:["mountain_cableway"]},{unified:"1F6A1",shortnames:["aerial_tramway"]},{unified:"1F6F0-FE0F",shortnames:["satellite"]},{unified:"1F680",shortnames:["rocket"]},{unified:"1F6F8",shortnames:["flying_saucer"]},{unified:"1F6CE-FE0F",shortnames:["bellhop_bell"]},{unified:"1F6AA",shortnames:["door"]},{unified:"1F6CF-FE0F",shortnames:["bed"]},{unified:"1F6CB-FE0F",shortnames:["couch_and_lamp"]},{unified:"1F6BD",shortnames:["toilet"]},{unified:"1F6BF",shortnames:["shower"]},{unified:"1F6C1",shortnames:["bathtub"]},{unified:"231B",shortnames:["hourglass"]},{unified:"23F3",shortnames:["hourglass_flowing_sand"]},{unified:"231A",shortnames:["watch"]},{unified:"23F0",shortnames:["alarm_clock"]},{unified:"23F1-FE0F",shortnames:["stopwatch"]},{unified:"23F2-FE0F",shortnames:["timer_clock"]},{unified:"1F570-FE0F",shortnames:["mantelpiece_clock"]},{unified:"1F55B",shortnames:["clock12"]},{unified:"1F567",shortnames:["clock1230"]},{unified:"1F550",shortnames:["clock1"]},{unified:"1F55C",shortnames:["clock130"]},{unified:"1F551",shortnames:["clock2"]},{unified:"1F55D",shortnames:["clock230"]},{unified:"1F552",shortnames:["clock3"]},{unified:"1F55E",shortnames:["clock330"]},{unified:"1F553",shortnames:["clock4"]},{unified:"1F55F",shortnames:["clock430"]},{unified:"1F554",shortnames:["clock5"]},{unified:"1F560",shortnames:["clock530"]},{unified:"1F555",shortnames:["clock6"]},{unified:"1F561",shortnames:["clock630"]},{unified:"1F556",shortnames:["clock7"]},{unified:"1F562",shortnames:["clock730"]},{unified:"1F557",shortnames:["clock8"]},{unified:"1F563",shortnames:["clock830"]},{unified:"1F558",shortnames:["clock9"]},{unified:"1F564",shortnames:["clock930"]},{unified:"1F559",shortnames:["clock10"]},{unified:"1F565",shortnames:["clock1030"]},{unified:"1F55A",shortnames:["clock11"]},{unified:"1F566",shortnames:["clock1130"]},{unified:"1F311",shortnames:["new_moon"]},{unified:"1F312",shortnames:["waxing_crescent_moon"]},{unified:"1F313",shortnames:["first_quarter_moon"]},{unified:"1F314",shortnames:["moon"]},{unified:"1F315",shortnames:["full_moon"]},{unified:"1F316",shortnames:["waning_gibbous_moon"]},{unified:"1F317",shortnames:["last_quarter_moon"]},{unified:"1F318",shortnames:["waning_crescent_moon"]},{unified:"1F319",shortnames:["crescent_moon"]},{unified:"1F31A",shortnames:["new_moon_with_face"]},{unified:"1F31B",shortnames:["first_quarter_moon_with_face"]},{unified:"1F31C",shortnames:["last_quarter_moon_with_face"]},{unified:"1F321-FE0F",shortnames:["thermometer"]},{unified:"2600-FE0F",shortnames:["sunny"]},{unified:"1F31D",shortnames:["full_moon_with_face"]},{unified:"1F31E",shortnames:["sun_with_face"]},{unified:"2B50",shortnames:["star"]},{unified:"1F31F",shortnames:["star2"]},{unified:"1F320",shortnames:["stars"]},{unified:"2601-FE0F",shortnames:["cloud"]},{unified:"26C5",shortnames:["partly_sunny"]},{unified:"26C8-FE0F",shortnames:["thunder_cloud_and_rain"]},{unified:"1F324-FE0F",shortnames:["mostly_sunny"]},{unified:"1F325-FE0F",shortnames:["barely_sunny"]},{unified:"1F326-FE0F",shortnames:["partly_sunny_rain"]},{unified:"1F327-FE0F",shortnames:["rain_cloud"]},{unified:"1F328-FE0F",shortnames:["snow_cloud"]},{unified:"1F329-FE0F",shortnames:["lightning"]},{unified:"1F32A-FE0F",shortnames:["tornado"]},{unified:"1F32B-FE0F",shortnames:["fog"]},{unified:"1F32C-FE0F",shortnames:["wind_blowing_face"]},{unified:"1F300",shortnames:["cyclone"]},{unified:"1F308",shortnames:["rainbow"]},{unified:"1F302",shortnames:["closed_umbrella"]},{unified:"2602-FE0F",shortnames:["umbrella"]},{unified:"2614",shortnames:["umbrella_with_rain_drops"]},{unified:"26F1-FE0F",shortnames:["umbrella_on_ground"]},{unified:"26A1",shortnames:["zap"]},{unified:"2744-FE0F",shortnames:["snowflake"]},{unified:"2603-FE0F",shortnames:["snowman"]},{unified:"26C4",shortnames:["snowman_without_snow"]},{unified:"2604-FE0F",shortnames:["comet"]},{unified:"1F525",shortnames:["fire"]},{unified:"1F4A7",shortnames:["droplet"]},{unified:"1F30A",shortnames:["ocean"]}]},{name:"Activities",emojis:[{unified:"1F383",shortnames:["jack_o_lantern"]},{unified:"1F384",shortnames:["christmas_tree"]},{unified:"1F386",shortnames:["fireworks"]},{unified:"1F387",shortnames:["sparkler"]},{unified:"2728",shortnames:["sparkles"]},{unified:"1F388",shortnames:["balloon"]},{unified:"1F389",shortnames:["tada"]},{unified:"1F38A",shortnames:["confetti_ball"]},{unified:"1F38B",shortnames:["tanabata_tree"]},{unified:"1F38D",shortnames:["bamboo"]},{unified:"1F38E",shortnames:["dolls"]},{unified:"1F38F",shortnames:["flags"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d_book"]},{unified:"1F4D6",shortnames:["book"]},{unified:"1F4D7",shortnames:["green_book"]},{unified:"1F4D8",shortnames:["blue_book"]},{unified:"1F4D9",shortnames:["orange_book"]},{unified:"1F4DA",shortnames:["books"]},{unified:"1F4D3",shortnames:["notebook"]},{unified:"1F4D2",shortnames:["ledger"]},{unified:"1F4C3",shortnames:["page_with_curl"]},{unified:"1F4DC",shortnames:["scroll"]},{unified:"1F4C4",shortnames:["page_facing_up"]},{unified:"1F4F0",shortnames:["newspaper"]},{unified:"1F5DE-FE0F",shortnames:["rolled_up_newspaper"]},{unified:"1F4D1",shortnames:["bookmark_tabs"]},{unified:"1F516",shortnames:["bookmark"]},{unified:"1F3F7-FE0F",shortnames:["label"]},{unified:"1F4B0",shortnames:["moneybag"]},{unified:"1F4B4",shortnames:["yen"]},{unified:"1F4B5",shortnames:["dollar"]},{unified:"1F4B6",shortnames:["euro"]},{unified:"1F4B7",shortnames:["pound"]},{unified:"1F4B8",shortnames:["money_with_wings"]},{unified:"1F4B3",shortnames:["credit_card"]},{unified:"1F4B9",shortnames:["chart"]},{unified:"1F4B1",shortnames:["currency_exchange"]},{unified:"1F4B2",shortnames:["heavy_dollar_sign"]},{unified:"2709-FE0F",shortnames:["email"]},{unified:"1F4E7",shortnames:["e-mail"]},{unified:"1F4E8",shortnames:["incoming_envelope"]},{unified:"1F4E9",shortnames:["envelope_with_arrow"]},{unified:"1F4E4",shortnames:["outbox_tray"]},{unified:"1F4E5",shortnames:["inbox_tray"]},{unified:"1F4E6",shortnames:["package"]},{unified:"1F4EB",shortnames:["mailbox"]},{unified:"1F4EA",shortnames:["mailbox_closed"]},{unified:"1F4EC",shortnames:["mailbox_with_mail"]},{unified:"1F4ED",shortnames:["mailbox_with_no_mail"]},{unified:"1F4EE",shortnames:["postbox"]},{unified:"1F5F3-FE0F",shortnames:["ballot_box_with_ballot"]},{unified:"270F-FE0F",shortnames:["pencil2"]},{unified:"2712-FE0F",shortnames:["black_nib"]},{unified:"1F58B-FE0F",shortnames:["lower_left_fountain_pen"]},{unified:"1F58A-FE0F",shortnames:["lower_left_ballpoint_pen"]},{unified:"1F58C-FE0F",shortnames:["lower_left_paintbrush"]},{unified:"1F58D-FE0F",shortnames:["lower_left_crayon"]},{unified:"1F4DD",shortnames:["memo"]},{unified:"1F4BC",shortnames:["briefcase"]},{unified:"1F4C1",shortnames:["file_folder"]},{unified:"1F4C2",shortnames:["open_file_folder"]},{unified:"1F5C2-FE0F",shortnames:["card_index_dividers"]},{unified:"1F4C5",shortnames:["date"]},{unified:"1F4C6",shortnames:["calendar"]},{unified:"1F5D2-FE0F",shortnames:["spiral_note_pad"]},{unified:"1F5D3-FE0F",shortnames:["spiral_calendar_pad"]},{unified:"1F4C7",shortnames:["card_index"]},{unified:"1F4C8",shortnames:["chart_with_upwards_trend"]},{unified:"1F4C9",shortnames:["chart_with_downwards_trend"]},{unified:"1F4CA",shortnames:["bar_chart"]},{unified:"1F4CB",shortnames:["clipboard"]},{unified:"1F4CC",shortnames:["pushpin"]},{unified:"1F4CD",shortnames:["round_pushpin"]},{unified:"1F4CE",shortnames:["paperclip"]},{unified:"1F587-FE0F",shortnames:["linked_paperclips"]},{unified:"1F4CF",shortnames:["straight_ruler"]},{unified:"1F4D0",shortnames:["triangular_ruler"]},{unified:"2702-FE0F",shortnames:["scissors"]},{unified:"1F5C3-FE0F",shortnames:["card_file_box"]},{unified:"1F5C4-FE0F",shortnames:["file_cabinet"]},{unified:"1F5D1-FE0F",shortnames:["wastebasket"]},{unified:"1F512",shortnames:["lock"]},{unified:"1F513",shortnames:["unlock"]},{unified:"1F50F",shortnames:["lock_with_ink_pen"]},{unified:"1F510",shortnames:["closed_lock_with_key"]},{unified:"1F511",shortnames:["key"]},{unified:"1F5DD-FE0F",shortnames:["old_key"]},{unified:"1F528",shortnames:["hammer"]},{unified:"26CF-FE0F",shortnames:["pick"]},{unified:"2692-FE0F",shortnames:["hammer_and_pick"]},{unified:"1F6E0-FE0F",shortnames:["hammer_and_wrench"]},{unified:"1F5E1-FE0F",shortnames:["dagger_knife"]},{unified:"2694-FE0F",shortnames:["crossed_swords"]},{unified:"1F52B",shortnames:["gun"]},{unified:"1F3F9",shortnames:["bow_and_arrow"]},{unified:"1F6E1-FE0F",shortnames:["shield"]},{unified:"1F527",shortnames:["wrench"]},{unified:"1F529",shortnames:["nut_and_bolt"]},{unified:"2699-FE0F",shortnames:["gear"]},{unified:"1F5DC-FE0F",shortnames:["compression"]},{unified:"2697-FE0F",shortnames:["alembic"]},{unified:"2696-FE0F",shortnames:["scales"]},{unified:"1F517",shortnames:["link"]},{unified:"26D3-FE0F",shortnames:["chains"]},{unified:"1F489",shortnames:["syringe"]},{unified:"1F48A",shortnames:["pill"]},{unified:"1F6AC",shortnames:["smoking"]},{unified:"26B0-FE0F",shortnames:["coffin"]},{unified:"26B1-FE0F",shortnames:["funeral_urn"]},{unified:"1F5FF",shortnames:["moyai"]},{unified:"1F6E2-FE0F",shortnames:["oil_drum"]},{unified:"1F52E",shortnames:["crystal_ball"]},{unified:"1F6D2",shortnames:["shopping_trolley"]}]},{name:"Symbols",emojis:[{unified:"1F3E7",shortnames:["atm"]},{unified:"1F6AE",shortnames:["put_litter_in_its_place"]},{unified:"1F6B0",shortnames:["potable_water"]},{unified:"267F",shortnames:["wheelchair"]},{unified:"1F6B9",shortnames:["mens"]},{unified:"1F6BA",shortnames:["womens"]},{unified:"1F6BB",shortnames:["restroom"]},{unified:"1F6BC",shortnames:["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st_forward:"23E9",rewind:"23EA",arrow_double_up:"23EB",arrow_double_down:"23EC",black_right_pointing_double_triangle_with_vertical_bar:"23ED-FE0F",black_left_pointing_double_triangle_with_vertical_bar:"23EE-FE0F",black_right_pointing_triangle_with_double_vertical_bar:"23EF-FE0F",alarm_clock:"23F0",stopwatch:"23F1-FE0F",timer_clock:"23F2-FE0F",hourglass_flowing_sand:"23F3",double_vertical_bar:"23F8-FE0F",black_square_for_stop:"23F9-FE0F",black_circle_for_record:"23FA-FE0F",m:"24C2-FE0F",black_small_square:"25AA-FE0F",white_small_square:"25AB-FE0F",arrow_forward:"25B6-FE0F",arrow_backward:"25C0-FE0F",white_medium_square:"25FB-FE0F",black_medium_square:"25FC-FE0F",white_medium_small_square:"25FD",black_medium_small_square:"25FE",sunny:"2600-FE0F",cloud:"2601-FE0F",umbrella:"2602-FE0F",snowman:"2603-FE0F",comet:"2604-FE0F",phone:"260E-FE0F",ballot_box_with_check:"2611-FE0F",umbrella_with_rain_drops:"2614",coffee:"2615",shamrock:"2618-FE0F",point_up:"261D-FE0F",skull_and_crossbones:"2620-FE0F",radioactive_sign:"2622-FE0F",biohazard_sign:"2623-FE0F",orthodox_cross:"2626-FE0F",star_and_crescent:"262A-FE0F",peace_symbol:"262E-FE0F",yin_yang:"262F-FE0F",wheel_of_dharma:"2638-FE0F",white_frowning_face:"2639-FE0F",relaxed:"263A-FE0F",female_sign:"2640-FE0F",male_sign:"2642-FE0F",aries:"2648",taurus:"2649",gemini:"264A",cancer:"264B",leo:"264C",virgo:"264D",libra:"264E",scorpius:"264F",sagittarius:"2650",capricorn:"2651",aquarius:"2652",pisces:"2653",spades:"2660-FE0F",clubs:"2663-FE0F",hearts:"2665-FE0F",diamonds:"2666-FE0F",hotsprings:"2668-FE0F",recycle:"267B-FE0F",wheelchair:"267F",hammer_and_pick:"2692-FE0F",anchor:"2693",crossed_swords:"2694-FE0F",medical_symbol:"2695-FE0F",scales:"2696-FE0F",alembic:"2697-FE0F",gear:"2699-FE0F",atom_symbol:"269B-FE0F",fleur_de_lis:"269C-FE0F",warning:"26A0-FE0F",zap:"26A1",white_circle:"26AA",black_circle:"26AB",coffin:"26B0-FE0F",funeral_urn:"26B1-FE0F",soccer:"26BD",baseball:"26BE",snowman_without_snow:"26C4",partly_sunny:"26C5",thunder_cloud_and_rain:"26C8-FE0F",ophiuchus:"26CE",pick:"26CF-FE0F",helmet_with_white_cross:"26D1-FE0F",chains:"26D3-FE0F",no_entry:"26D4",shinto_shrine:"26E9-FE0F",church:"26EA",mountain:"26F0-FE0F",umbrella_on_ground:"26F1-FE0F",fountain:"26F2",golf:"26F3",ferry:"26F4-FE0F",boat:"26F5",skier:"26F7-FE0F",ice_skate:"26F8-FE0F","woman-bouncing-ball":"26F9-FE0F-200D-2640-FE0F","man-bouncing-ball":"26F9-FE0F-200D-2642-FE0F",person_with_ball:"26F9-FE0F-200D-2642-FE0F",tent:"26FA",fuelpump:"26FD",scissors:"2702-FE0F",white_check_mark:"2705",airplane:"2708-FE0F",email:"2709-FE0F",fist:"270A",hand:"270B",v:"270C-FE0F",writing_hand:"270D-FE0F",pencil2:"270F-FE0F",black_nib:"2712-FE0F",heavy_check_mark:"2714-FE0F",heavy_multiplication_x:"2716-FE0F",latin_cross:"271D-FE0F",star_of_david:"2721-FE0F",sparkles:"2728",eight_spoked_asterisk:"2733-FE0F",eight_pointed_black_star:"2734-FE0F",snowflake:"2744-FE0F",sparkle:"2747-FE0F",x:"274C",negative_squared_cross_mark:"274E",question:"2753",grey_question:"2754",grey_exclamation:"2755",exclamation:"2757",heavy_heart_exclamation_mark_ornament:"2763-FE0F",heart:"2764-FE0F",heavy_plus_sign:"2795",heavy_minus_sign:"2796",heavy_division_sign:"2797",arrow_right:"27A1-FE0F",curly_loop:"27B0",loop:"27BF",arrow_heading_up:"2934-FE0F",arrow_heading_down:"2935-FE0F",arrow_left:"2B05-FE0F",arrow_up:"2B06-FE0F",arrow_down:"2B07-FE0F",black_large_square:"2B1B",white_large_square:"2B1C",star:"2B50",o:"2B55",wavy_dash:"3030-FE0F",part_alternation_mark:"303D-FE0F",congratulations:"3297-FE0F",secret:"3299-FE0F"}});
-//# sourceMappingURL=data.min.js.map
+define("core/emoji/data",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.byShortName=_exports.byCategory=void 0;_exports.byCategory=[{name:"Smileys & People",emojis:[{unified:"1F600",shortnames:["grinning"]},{unified:"1F601",shortnames:["grin"]},{unified:"1F602",shortnames:["joy"]},{unified:"1F923",shortnames:["rolling_on_the_floor_laughing"]},{unified:"1F603",shortnames:["smiley"]},{unified:"1F604",shortnames:["smile"]},{unified:"1F605",shortnames:["sweat_smile"]},{unified:"1F606",shortnames:["laughing"]},{unified:"1F609",shortnames:["wink"]},{unified:"1F60A",shortnames:["blush"]},{unified:"1F60B",shortnames:["yum"]},{unified:"1F60E",shortnames:["sunglasses"]},{unified:"1F60D",shortnames:["heart_eyes"]},{unified:"1F618",shortnames:["kissing_heart"]},{unified:"1F617",shortnames:["kissing"]},{unified:"1F619",shortnames:["kissing_smiling_eyes"]},{unified:"1F61A",shortnames:["kissing_closed_eyes"]},{unified:"263A-FE0F",shortnames:["relaxed"]},{unified:"1F642",shortnames:["slightly_smiling_face"]},{unified:"1F917",shortnames:["hugging_face"]},{unified:"1F929",shortnames:["star-struck"]},{unified:"1F914",shortnames:["thinking_face"]},{unified:"1F928",shortnames:["face_with_raised_eyebrow"]},{unified:"1F610",shortnames:["neutral_face"]},{unified:"1F611",shortnames:["expressionless"]},{unified:"1F636",shortnames:["no_mouth"]},{unified:"1F644",shortnames:["face_with_rolling_eyes"]},{unified:"1F60F",shortnames:["smirk"]},{unified:"1F623",shortnames:["persevere"]},{unified:"1F625",shortnames:["disappointed_relieved"]},{unified:"1F62E",shortnames:["open_mouth"]},{unified:"1F910",shortnames:["zipper_mouth_face"]},{unified:"1F62F",shortnames:["hushed"]},{unified:"1F62A",shortnames:["sleepy"]},{unified:"1F62B",shortnames:["tired_face"]},{unified:"1F634",shortnames:["sleeping"]},{unified:"1F60C",shortnames:["relieved"]},{unified:"1F61B",shortnames:["stuck_out_tongue"]},{unified:"1F61C",shortnames:["stuck_out_tongue_winking_eye"]},{unified:"1F61D",shortnames:["stuck_out_tongue_closed_eyes"]},{unified:"1F924",shortnames:["drooling_face"]},{unified:"1F612",shortnames:["unamused"]},{unified:"1F613",shortnames:["sweat"]},{unified:"1F614",shortnames:["pensive"]},{unified:"1F615",shortnames:["confused"]},{unified:"1F643",shortnames:["upside_down_face"]},{unified:"1F911",shortnames:["money_mouth_face"]},{unified:"1F632",shortnames:["astonished"]},{unified:"2639-FE0F",shortnames:["white_frowning_face"]},{unified:"1F641",shortnames:["slightly_frowning_face"]},{unified:"1F616",shortnames:["confounded"]},{unified:"1F61E",shortnames:["disappointed"]},{unified:"1F61F",shortnames:["worried"]},{unified:"1F624",shortnames:["triumph"]},{unified:"1F622",shortnames:["cry"]},{unified:"1F62D",shortnames:["sob"]},{unified:"1F626",shortnames:["frowning"]},{unified:"1F627",shortnames:["anguished"]},{unified:"1F628",shortnames:["fearful"]},{unified:"1F629",shortnames:["weary"]},{unified:"1F92F",shortnames:["exploding_head"]},{unified:"1F62C",shortnames:["grimacing"]},{unified:"1F630",shortnames:["cold_sweat"]},{unified:"1F631",shortnames:["scream"]},{unified:"1F633",shortnames:["flushed"]},{unified:"1F92A",shortnames:["zany_face"]},{unified:"1F635",shortnames:["dizzy_face"]},{unified:"1F621",shortnames:["rage"]},{unified:"1F620",shortnames:["angry"]},{unified:"1F92C",shortnames:["face_with_symbols_on_mouth"]},{unified:"1F637",shortnames:["mask"]},{unified:"1F912",shortnames:["face_with_thermometer"]},{unified:"1F915",shortnames:["face_with_head_bandage"]},{unified:"1F922",shortnames:["nauseated_face"]},{unified:"1F92E",shortnames:["face_vomiting"]},{unified:"1F927",shortnames:["sneezing_face"]},{unified:"1F607",shortnames:["innocent"]},{unified:"1F920",shortnames:["face_with_cowboy_hat"]},{unified:"1F921",shortnames:["clown_face"]},{unified:"1F925",shortnames:["lying_face"]},{unified:"1F92B",shortnames:["shushing_face"]},{unified:"1F92D",shortnames:["face_with_hand_over_mouth"]},{unified:"1F9D0",shortnames:["face_with_monocle"]},{unified:"1F913",shortnames:["nerd_face"]},{unified:"1F608",shortnames:["smiling_imp"]},{unified:"1F47F",shortnames:["imp"]},{unified:"1F479",shortnames:["japanese_ogre"]},{unified:"1F47A",shortnames:["japanese_goblin"]},{unified:"1F480",shortnames:["skull"]},{unified:"2620-FE0F",shortnames:["skull_and_crossbones"]},{unified:"1F47B",shortnames:["ghost"]},{unified:"1F47D",shortnames:["alien"]},{unified:"1F47E",shortnames:["space_invader"]},{unified:"1F916",shortnames:["robot_face"]},{unified:"1F4A9",shortnames:["hankey"]},{unified:"1F63A",shortnames:["smiley_cat"]},{unified:"1F638",shortnames:["smile_cat"]},{unified:"1F639",shortnames:["joy_cat"]},{unified:"1F63B",shortnames:["heart_eyes_cat"]},{unified:"1F63C",shortnames:["smirk_cat"]},{unified:"1F63D",shortnames:["kissing_cat"]},{unified:"1F640",shortnames:["scream_cat"]},{unified:"1F63F",shortnames:["crying_cat_face"]},{unified:"1F63E",shortnames:["pouting_cat"]},{unified:"1F648",shortnames:["see_no_evil"]},{unified:"1F649",shortnames:["hear_no_evil"]},{unified:"1F64A",shortnames:["speak_no_evil"]},{unified:"1F476",shortnames:["baby"]},{unified:"1F9D2",shortnames:["child"]},{unified:"1F466",shortnames:["boy"]},{unified:"1F467",shortnames:["girl"]},{unified:"1F9D1",shortnames:["adult"]},{unified:"1F468",shortnames:["man"]},{unified:"1F469",shortnames:["woman"]},{unified:"1F9D3",shortnames:["older_adult"]},{unified:"1F474",shortnames:["older_man"]},{unified:"1F475",shortnames:["older_woman"]},{unified:"1F468-200D-2695-FE0F",shortnames:["male-doctor"]},{unified:"1F469-200D-2695-FE0F",shortnames:["female-doctor"]},{unified:"1F468-200D-1F393",shortnames:["male-student"]},{unified:"1F469-200D-1F393",shortnames:["female-student"]},{unified:"1F468-200D-1F3EB",shortnames:["male-teacher"]},{unified:"1F469-200D-1F3EB",shortnames:["female-teacher"]},{unified:"1F468-200D-2696-FE0F",shortnames:["male-judge"]},{unified:"1F469-200D-2696-FE0F",shortnames:["female-judge"]},{unified:"1F468-200D-1F33E",shortnames:["male-farmer"]},{unified:"1F469-200D-1F33E",shortnames:["female-farmer"]},{unified:"1F468-200D-1F373",shortnames:["male-cook"]},{unified:"1F469-200D-1F373",shortnames:["female-cook"]},{unified:"1F468-200D-1F527",shortnames:["male-mechanic"]},{unified:"1F469-200D-1F527",shortnames:["female-mechanic"]},{unified:"1F468-200D-1F3ED",shortnames:["male-factory-worker"]},{unified:"1F469-200D-1F3ED",shortnames:["female-factory-worker"]},{unified:"1F468-200D-1F4BC",shortnames:["male-office-worker"]},{unified:"1F469-200D-1F4BC",shortnames:["female-office-worker"]},{unified:"1F468-200D-1F52C",shortnames:["male-scientist"]},{unified:"1F469-200D-1F52C",shortnames:["female-scientist"]},{unified:"1F468-200D-1F4BB",shortnames:["male-technologist"]},{unified:"1F469-200D-1F4BB",shortnames:["female-technologist"]},{unified:"1F468-200D-1F3A4",shortnames:["male-singer"]},{unified:"1F469-200D-1F3A4",shortnames:["female-singer"]},{unified:"1F468-200D-1F3A8",shortnames:["male-artist"]},{unified:"1F469-200D-1F3A8",shortnames:["female-artist"]},{unified:"1F468-200D-2708-FE0F",shortnames:["male-pilot"]},{unified:"1F469-200D-2708-FE0F",shortnames:["female-pilot"]},{unified:"1F468-200D-1F680",shortnames:["male-astronaut"]},{unified:"1F469-200D-1F680",shortnames:["female-astronaut"]},{unified:"1F468-200D-1F692",shortnames:["male-firefighter"]},{unified:"1F469-200D-1F692",shortnames:["female-firefighter"]},{unified:"1F46E-200D-2642-FE0F",shortnames:["male-police-officer","cop"]},{unified:"1F46E-200D-2640-FE0F",shortnames:["female-police-officer"]},{unified:"1F575-FE0F-200D-2642-FE0F",shortnames:["male-detective","sleuth_or_spy"]},{unified:"1F575-FE0F-200D-2640-FE0F",shortnames:["female-detective"]},{unified:"1F482-200D-2642-FE0F",shortnames:["male-guard","guardsman"]},{unified:"1F482-200D-2640-FE0F",shortnames:["female-guard"]},{unified:"1F477-200D-2642-FE0F",shortnames:["male-construction-worker","construction_worker"]},{unified:"1F477-200D-2640-FE0F",shortnames:["female-construction-worker"]},{unified:"1F934",shortnames:["prince"]},{unified:"1F478",shortnames:["princess"]},{unified:"1F473-200D-2642-FE0F",shortnames:["man-wearing-turban","man_with_turban"]},{unified:"1F473-200D-2640-FE0F",shortnames:["woman-wearing-turban"]},{unified:"1F472",shortnames:["man_with_gua_pi_mao"]},{unified:"1F9D5",shortnames:["person_with_headscarf"]},{unified:"1F9D4",shortnames:["bearded_person"]},{unified:"1F471-200D-2642-FE0F",shortnames:["blond-haired-man","person_with_blond_hair"]},{unified:"1F471-200D-2640-FE0F",shortnames:["blond-haired-woman"]},{unified:"1F935",shortnames:["man_in_tuxedo"]},{unified:"1F470",shortnames:["bride_with_veil"]},{unified:"1F930",shortnames:["pregnant_woman"]},{unified:"1F931",shortnames:["breast-feeding"]},{unified:"1F47C",shortnames:["angel"]},{unified:"1F385",shortnames:["santa"]},{unified:"1F936",shortnames:["mrs_claus"]},{unified:"1F9D9-200D-2640-FE0F",shortnames:["female_mage","mage"]},{unified:"1F9D9-200D-2642-FE0F",shortnames:["male_mage"]},{unified:"1F9DA-200D-2640-FE0F",shortnames:["female_fairy","fairy"]},{unified:"1F9DA-200D-2642-FE0F",shortnames:["male_fairy"]},{unified:"1F9DB-200D-2640-FE0F",shortnames:["female_vampire","vampire"]},{unified:"1F9DB-200D-2642-FE0F",shortnames:["male_vampire"]},{unified:"1F9DC-200D-2640-FE0F",shortnames:["mermaid"]},{unified:"1F9DC-200D-2642-FE0F",shortnames:["merman","merperson"]},{unified:"1F9DD-200D-2640-FE0F",shortnames:["female_elf"]},{unified:"1F9DD-200D-2642-FE0F",shortnames:["male_elf","elf"]},{unified:"1F9DE-200D-2640-FE0F",shortnames:["female_genie"]},{unified:"1F9DE-200D-2642-FE0F",shortnames:["male_genie","genie"]},{unified:"1F9DF-200D-2640-FE0F",shortnames:["female_zombie"]},{unified:"1F9DF-200D-2642-FE0F",shortnames:["male_zombie","zombie"]},{unified:"1F64D-200D-2642-FE0F",shortnames:["man-frowning"]},{unified:"1F64D-200D-2640-FE0F",shortnames:["woman-frowning","person_frowning"]},{unified:"1F64E-200D-2642-FE0F",shortnames:["man-pouting"]},{unified:"1F64E-200D-2640-FE0F",shortnames:["woman-pouting","person_with_pouting_face"]},{unified:"1F645-200D-2642-FE0F",shortnames:["man-gesturing-no"]},{unified:"1F645-200D-2640-FE0F",shortnames:["woman-gesturing-no","no_good"]},{unified:"1F646-200D-2642-FE0F",shortnames:["man-gesturing-ok"]},{unified:"1F646-200D-2640-FE0F",shortnames:["woman-gesturing-ok","ok_woman"]},{unified:"1F481-200D-2642-FE0F",shortnames:["man-tipping-hand"]},{unified:"1F481-200D-2640-FE0F",shortnames:["woman-tipping-hand","information_desk_person"]},{unified:"1F64B-200D-2642-FE0F",shortnames:["man-raising-hand"]},{unified:"1F64B-200D-2640-FE0F",shortnames:["woman-raising-hand","raising_hand"]},{unified:"1F647-200D-2642-FE0F",shortnames:["man-bowing","bow"]},{unified:"1F647-200D-2640-FE0F",shortnames:["woman-bowing"]},{unified:"1F926",shortnames:["face_palm"]},{unified:"1F926-200D-2642-FE0F",shortnames:["man-facepalming"]},{unified:"1F926-200D-2640-FE0F",shortnames:["woman-facepalming"]},{unified:"1F937",shortnames:["shrug"]},{unified:"1F937-200D-2642-FE0F",shortnames:["man-shrugging"]},{unified:"1F937-200D-2640-FE0F",shortnames:["woman-shrugging"]},{unified:"1F486-200D-2642-FE0F",shortnames:["man-getting-massage"]},{unified:"1F486-200D-2640-FE0F",shortnames:["woman-getting-massage","massage"]},{unified:"1F487-200D-2642-FE0F",shortnames:["man-getting-haircut"]},{unified:"1F487-200D-2640-FE0F",shortnames:["woman-getting-haircut","haircut"]},{unified:"1F6B6-200D-2642-FE0F",shortnames:["man-walking","walking"]},{unified:"1F6B6-200D-2640-FE0F",shortnames:["woman-walking"]},{unified:"1F3C3-200D-2642-FE0F",shortnames:["man-running","runner"]},{unified:"1F3C3-200D-2640-FE0F",shortnames:["woman-running"]},{unified:"1F483",shortnames:["dancer"]},{unified:"1F57A",shortnames:["man_dancing"]},{unified:"1F46F-200D-2642-FE0F",shortnames:["man-with-bunny-ears-partying"]},{unified:"1F46F-200D-2640-FE0F",shortnames:["woman-with-bunny-ears-partying","dancers"]},{unified:"1F9D6-200D-2640-FE0F",shortnames:["woman_in_steamy_room"]},{unified:"1F9D6-200D-2642-FE0F",shortnames:["man_in_steamy_room","person_in_steamy_room"]},{unified:"1F9D7-200D-2640-FE0F",shortnames:["woman_climbing","person_climbing"]},{unified:"1F9D7-200D-2642-FE0F",shortnames:["man_climbing"]},{unified:"1F9D8-200D-2640-FE0F",shortnames:["woman_in_lotus_position","person_in_lotus_position"]},{unified:"1F9D8-200D-2642-FE0F",shortnames:["man_in_lotus_position"]},{unified:"1F6C0",shortnames:["bath"]},{unified:"1F6CC",shortnames:["sleeping_accommodation"]},{unified:"1F574-FE0F",shortnames:["man_in_business_suit_levitating"]},{unified:"1F5E3-FE0F",shortnames:["speaking_head_in_silhouette"]},{unified:"1F464",shortnames:["bust_in_silhouette"]},{unified:"1F465",shortnames:["busts_in_silhouette"]},{unified:"1F93A",shortnames:["fencer"]},{unified:"1F3C7",shortnames:["horse_racing"]},{unified:"26F7-FE0F",shortnames:["skier"]},{unified:"1F3C2",shortnames:["snowboarder"]},{unified:"1F3CC-FE0F-200D-2642-FE0F",shortnames:["man-golfing","golfer"]},{unified:"1F3CC-FE0F-200D-2640-FE0F",shortnames:["woman-golfing"]},{unified:"1F3C4-200D-2642-FE0F",shortnames:["man-surfing","surfer"]},{unified:"1F3C4-200D-2640-FE0F",shortnames:["woman-surfing"]},{unified:"1F6A3-200D-2642-FE0F",shortnames:["man-rowing-boat","rowboat"]},{unified:"1F6A3-200D-2640-FE0F",shortnames:["woman-rowing-boat"]},{unified:"1F3CA-200D-2642-FE0F",shortnames:["man-swimming","swimmer"]},{unified:"1F3CA-200D-2640-FE0F",shortnames:["woman-swimming"]},{unified:"26F9-FE0F-200D-2642-FE0F",shortnames:["man-bouncing-ball","person_with_ball"]},{unified:"26F9-FE0F-200D-2640-FE0F",shortnames:["woman-bouncing-ball"]},{unified:"1F3CB-FE0F-200D-2642-FE0F",shortnames:["man-lifting-weights","weight_lifter"]},{unified:"1F3CB-FE0F-200D-2640-FE0F",shortnames:["woman-lifting-weights"]},{unified:"1F6B4-200D-2642-FE0F",shortnames:["man-biking","bicyclist"]},{unified:"1F6B4-200D-2640-FE0F",shortnames:["woman-biking"]},{unified:"1F6B5-200D-2642-FE0F",shortnames:["man-mountain-biking","mountain_bicyclist"]},{unified:"1F6B5-200D-2640-FE0F",shortnames:["woman-mountain-biking"]},{unified:"1F3CE-FE0F",shortnames:["racing_car"]},{unified:"1F3CD-FE0F",shortnames:["racing_motorcycle"]},{unified:"1F938",shortnames:["person_doing_cartwheel"]},{unified:"1F938-200D-2642-FE0F",shortnames:["man-cartwheeling"]},{unified:"1F938-200D-2640-FE0F",shortnames:["woman-cartwheeling"]},{unified:"1F93C",shortnames:["wrestlers"]},{unified:"1F93C-200D-2642-FE0F",shortnames:["man-wrestling"]},{unified:"1F93C-200D-2640-FE0F",shortnames:["woman-wrestling"]},{unified:"1F93D",shortnames:["water_polo"]},{unified:"1F93D-200D-2642-FE0F",shortnames:["man-playing-water-polo"]},{unified:"1F93D-200D-2640-FE0F",shortnames:["woman-playing-water-polo"]},{unified:"1F93E",shortnames:["handball"]},{unified:"1F93E-200D-2642-FE0F",shortnames:["man-playing-handball"]},{unified:"1F93E-200D-2640-FE0F",shortnames:["woman-playing-handball"]},{unified:"1F939",shortnames:["juggling"]},{unified:"1F939-200D-2642-FE0F",shortnames:["man-juggling"]},{unified:"1F939-200D-2640-FE0F",shortnames:["woman-juggling"]},{unified:"1F46B",shortnames:["couple"]},{unified:"1F46C",shortnames:["two_men_holding_hands"]},{unified:"1F46D",shortnames:["two_women_holding_hands"]},{unified:"1F469-200D-2764-FE0F-200D-1F48B-200D-1F468",shortnames:["woman-kiss-man","couplekiss"]},{unified:"1F468-200D-2764-FE0F-200D-1F48B-200D-1F468",shortnames:["man-kiss-man"]},{unified:"1F469-200D-2764-FE0F-200D-1F48B-200D-1F469",shortnames:["woman-kiss-woman"]},{unified:"1F469-200D-2764-FE0F-200D-1F468",shortnames:["woman-heart-man","couple_with_heart"]},{unified:"1F468-200D-2764-FE0F-200D-1F468",shortnames:["man-heart-man"]},{unified:"1F469-200D-2764-FE0F-200D-1F469",shortnames:["woman-heart-woman"]},{unified:"1F468-200D-1F469-200D-1F466",shortnames:["man-woman-boy","family"]},{unified:"1F468-200D-1F469-200D-1F467",shortnames:["man-woman-girl"]},{unified:"1F468-200D-1F469-200D-1F467-200D-1F466",shortnames:["man-woman-girl-boy"]},{unified:"1F468-200D-1F469-200D-1F466-200D-1F466",shortnames:["man-woman-boy-boy"]},{unified:"1F468-200D-1F469-200D-1F467-200D-1F467",shortnames:["man-woman-girl-girl"]},{unified:"1F468-200D-1F468-200D-1F466",shortnames:["man-man-boy"]},{unified:"1F468-200D-1F468-200D-1F467",shortnames:["man-man-girl"]},{unified:"1F468-200D-1F468-200D-1F467-200D-1F466",shortnames:["man-man-girl-boy"]},{unified:"1F468-200D-1F468-200D-1F466-200D-1F466",shortnames:["man-man-boy-boy"]},{unified:"1F468-200D-1F468-200D-1F467-200D-1F467",shortnames:["man-man-girl-girl"]},{unified:"1F469-200D-1F469-200D-1F466",shortnames:["woman-woman-boy"]},{unified:"1F469-200D-1F469-200D-1F467",shortnames:["woman-woman-girl"]},{unified:"1F469-200D-1F469-200D-1F467-200D-1F466",shortnames:["woman-woman-girl-boy"]},{unified:"1F469-200D-1F469-200D-1F466-200D-1F466",shortnames:["woman-woman-boy-boy"]},{unified:"1F469-200D-1F469-200D-1F467-200D-1F467",shortnames:["woman-woman-girl-girl"]},{unified:"1F468-200D-1F466",shortnames:["man-boy"]},{unified:"1F468-200D-1F466-200D-1F466",shortnames:["man-boy-boy"]},{unified:"1F468-200D-1F467",shortnames:["man-girl"]},{unified:"1F468-200D-1F467-200D-1F466",shortnames:["man-girl-boy"]},{unified:"1F468-200D-1F467-200D-1F467",shortnames:["man-girl-girl"]},{unified:"1F469-200D-1F466",shortnames:["woman-boy"]},{unified:"1F469-200D-1F466-200D-1F466",shortnames:["woman-boy-boy"]},{unified:"1F469-200D-1F467",shortnames:["woman-girl"]},{unified:"1F469-200D-1F467-200D-1F466",shortnames:["woman-girl-boy"]},{unified:"1F469-200D-1F467-200D-1F467",shortnames:["woman-girl-girl"]},{unified:"1F933",shortnames:["selfie"]},{unified:"1F4AA",shortnames:["muscle"]},{unified:"1F448",shortnames:["point_left"]},{unified:"1F449",shortnames:["point_right"]},{unified:"261D-FE0F",shortnames:["point_up"]},{unified:"1F446",shortnames:["point_up_2"]},{unified:"1F595",shortnames:["middle_finger"]},{unified:"1F447",shortnames:["point_down"]},{unified:"270C-FE0F",shortnames:["v"]},{unified:"1F91E",shortnames:["crossed_fingers"]},{unified:"1F596",shortnames:["spock-hand"]},{unified:"1F918",shortnames:["the_horns"]},{unified:"1F919",shortnames:["call_me_hand"]},{unified:"1F590-FE0F",shortnames:["raised_hand_with_fingers_splayed"]},{unified:"270B",shortnames:["hand"]},{unified:"1F44C",shortnames:["ok_hand"]},{unified:"1F44D",shortnames:["+1"]},{unified:"1F44E",shortnames:["-1"]},{unified:"270A",shortnames:["fist"]},{unified:"1F44A",shortnames:["facepunch"]},{unified:"1F91B",shortnames:["left-facing_fist"]},{unified:"1F91C",shortnames:["right-facing_fist"]},{unified:"1F91A",shortnames:["raised_back_of_hand"]},{unified:"1F44B",shortnames:["wave"]},{unified:"1F91F",shortnames:["i_love_you_hand_sign"]},{unified:"270D-FE0F",shortnames:["writing_hand"]},{unified:"1F44F",shortnames:["clap"]},{unified:"1F450",shortnames:["open_hands"]},{unified:"1F64C",shortnames:["raised_hands"]},{unified:"1F932",shortnames:["palms_up_together"]},{unified:"1F64F",shortnames:["pray"]},{unified:"1F91D",shortnames:["handshake"]},{unified:"1F485",shortnames:["nail_care"]},{unified:"1F442",shortnames:["ear"]},{unified:"1F443",shortnames:["nose"]},{unified:"1F463",shortnames:["footprints"]},{unified:"1F440",shortnames:["eyes"]},{unified:"1F441-FE0F",shortnames:["eye"]},{unified:"1F441-FE0F-200D-1F5E8-FE0F",shortnames:["eye-in-speech-bubble"]},{unified:"1F9E0",shortnames:["brain"]},{unified:"1F445",shortnames:["tongue"]},{unified:"1F444",shortnames:["lips"]},{unified:"1F48B",shortnames:["kiss"]},{unified:"1F498",shortnames:["cupid"]},{unified:"2764-FE0F",shortnames:["heart"]},{unified:"1F493",shortnames:["heartbeat"]},{unified:"1F494",shortnames:["broken_heart"]},{unified:"1F495",shortnames:["two_hearts"]},{unified:"1F496",shortnames:["sparkling_heart"]},{unified:"1F497",shortnames:["heartpulse"]},{unified:"1F499",shortnames:["blue_heart"]},{unified:"1F49A",shortnames:["green_heart"]},{unified:"1F49B",shortnames:["yellow_heart"]},{unified:"1F9E1",shortnames:["orange_heart"]},{unified:"1F49C",shortnames:["purple_heart"]},{unified:"1F5A4",shortnames:["black_heart"]},{unified:"1F49D",shortnames:["gift_heart"]},{unified:"1F49E",shortnames:["revolving_hearts"]},{unified:"1F49F",shortnames:["heart_decoration"]},{unified:"2763-FE0F",shortnames:["heavy_heart_exclamation_mark_ornament"]},{unified:"1F48C",shortnames:["love_letter"]},{unified:"1F4A4",shortnames:["zzz"]},{unified:"1F4A2",shortnames:["anger"]},{unified:"1F4A3",shortnames:["bomb"]},{unified:"1F4A5",shortnames:["boom"]},{unified:"1F4A6",shortnames:["sweat_drops"]},{unified:"1F4A8",shortnames:["dash"]},{unified:"1F4AB",shortnames:["dizzy"]},{unified:"1F4AC",shortnames:["speech_balloon"]},{unified:"1F5E8-FE0F",shortnames:["left_speech_bubble"]},{unified:"1F5EF-FE0F",shortnames:["right_anger_bubble"]},{unified:"1F4AD",shortnames:["thought_balloon"]},{unified:"1F573-FE0F",shortnames:["hole"]},{unified:"1F453",shortnames:["eyeglasses"]},{unified:"1F576-FE0F",shortnames:["dark_sunglasses"]},{unified:"1F454",shortnames:["necktie"]},{unified:"1F455",shortnames:["shirt"]},{unified:"1F456",shortnames:["jeans"]},{unified:"1F9E3",shortnames:["scarf"]},{unified:"1F9E4",shortnames:["gloves"]},{unified:"1F9E5",shortnames:["coat"]},{unified:"1F9E6",shortnames:["socks"]},{unified:"1F457",shortnames:["dress"]},{unified:"1F458",shortnames:["kimono"]},{unified:"1F459",shortnames:["bikini"]},{unified:"1F45A",shortnames:["womans_clothes"]},{unified:"1F45B",shortnames:["purse"]},{unified:"1F45C",shortnames:["handbag"]},{unified:"1F45D",shortnames:["pouch"]},{unified:"1F6CD-FE0F",shortnames:["shopping_bags"]},{unified:"1F392",shortnames:["school_satchel"]},{unified:"1F45E",shortnames:["mans_shoe"]},{unified:"1F45F",shortnames:["athletic_shoe"]},{unified:"1F460",shortnames:["high_heel"]},{unified:"1F461",shortnames:["sandal"]},{unified:"1F462",shortnames:["boot"]},{unified:"1F451",shortnames:["crown"]},{unified:"1F452",shortnames:["womans_hat"]},{unified:"1F3A9",shortnames:["tophat"]},{unified:"1F393",shortnames:["mortar_board"]},{unified:"1F9E2",shortnames:["billed_cap"]},{unified:"26D1-FE0F",shortnames:["helmet_with_white_cross"]},{unified:"1F4FF",shortnames:["prayer_beads"]},{unified:"1F484",shortnames:["lipstick"]},{unified:"1F48D",shortnames:["ring"]},{unified:"1F48E",shortnames:["gem"]}]},{name:"Animals 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26F4-FE0F",shortnames:["ferry"]},{unified:"1F6E5-FE0F",shortnames:["motor_boat"]},{unified:"1F6A2",shortnames:["ship"]},{unified:"2708-FE0F",shortnames:["airplane"]},{unified:"1F6E9-FE0F",shortnames:["small_airplane"]},{unified:"1F6EB",shortnames:["airplane_departure"]},{unified:"1F6EC",shortnames:["airplane_arriving"]},{unified:"1F4BA",shortnames:["seat"]},{unified:"1F681",shortnames:["helicopter"]},{unified:"1F69F",shortnames:["suspension_railway"]},{unified:"1F6A0",shortnames:["mountain_cableway"]},{unified:"1F6A1",shortnames:["aerial_tramway"]},{unified:"1F6F0-FE0F",shortnames:["satellite"]},{unified:"1F680",shortnames:["rocket"]},{unified:"1F6F8",shortnames:["flying_saucer"]},{unified:"1F6CE-FE0F",shortnames:["bellhop_bell"]},{unified:"1F6AA",shortnames:["door"]},{unified:"1F6CF-FE0F",shortnames:["bed"]},{unified:"1F6CB-FE0F",shortnames:["couch_and_lamp"]},{unified:"1F6BD",shortnames:["toilet"]},{unified:"1F6BF",shortnames:["shower"]},{unified:"1F6C1",shortnames:["bathtub"]},{unified:"231B",shortnames:["hourglass"]},{unified:"23F3",shortnames:["hourglass_flowing_sand"]},{unified:"231A",shortnames:["watch"]},{unified:"23F0",shortnames:["alarm_clock"]},{unified:"23F1-FE0F",shortnames:["stopwatch"]},{unified:"23F2-FE0F",shortnames:["timer_clock"]},{unified:"1F570-FE0F",shortnames:["mantelpiece_clock"]},{unified:"1F55B",shortnames:["clock12"]},{unified:"1F567",shortnames:["clock1230"]},{unified:"1F550",shortnames:["clock1"]},{unified:"1F55C",shortnames:["clock130"]},{unified:"1F551",shortnames:["clock2"]},{unified:"1F55D",shortnames:["clock230"]},{unified:"1F552",shortnames:["clock3"]},{unified:"1F55E",shortnames:["clock330"]},{unified:"1F553",shortnames:["clock4"]},{unified:"1F55F",shortnames:["clock430"]},{unified:"1F554",shortnames:["clock5"]},{unified:"1F560",shortnames:["clock530"]},{unified:"1F555",shortnames:["clock6"]},{unified:"1F561",shortnames:["clock630"]},{unified:"1F556",shortnames:["clock7"]},{unified:"1F562",shortnames:["clock730"]},{unified:"1F557",shortnames:["clock8"]},{unified:"1F563",shortnames:["clock830"]},{unified:"1F558",shortnames:["clock9"]},{unified:"1F564",shortnames:["clock930"]},{unified:"1F559",shortnames:["clock10"]},{unified:"1F565",shortnames:["clock1030"]},{unified:"1F55A",shortnames:["clock11"]},{unified:"1F566",shortnames:["clock1130"]},{unified:"1F311",shortnames:["new_moon"]},{unified:"1F312",shortnames:["waxing_crescent_moon"]},{unified:"1F313",shortnames:["first_quarter_moon"]},{unified:"1F314",shortnames:["moon"]},{unified:"1F315",shortnames:["full_moon"]},{unified:"1F316",shortnames:["waning_gibbous_moon"]},{unified:"1F317",shortnames:["last_quarter_moon"]},{unified:"1F318",shortnames:["waning_crescent_moon"]},{unified:"1F319",shortnames:["crescent_moon"]},{unified:"1F31A",shortnames:["new_moon_with_face"]},{unified:"1F31B",shortnames:["first_quarter_moon_with_face"]},{unified:"1F31C",shortnames:["last_quarter_moon_with_face"]},{unified:"1F321-FE0F",shortnames:["thermometer"]},{unified:"2600-FE0F",shortnames:["sunny"]},{unified:"1F31D",shortnames:["full_moon_with_face"]},{unified:"1F31E",shortnames:["sun_with_face"]},{unified:"2B50",shortnames:["star"]},{unified:"1F31F",shortnames:["star2"]},{unified:"1F320",shortnames:["stars"]},{unified:"2601-FE0F",shortnames:["cloud"]},{unified:"26C5",shortnames:["partly_sunny"]},{unified:"26C8-FE0F",shortnames:["thunder_cloud_and_rain"]},{unified:"1F324-FE0F",shortnames:["mostly_sunny"]},{unified:"1F325-FE0F",shortnames:["barely_sunny"]},{unified:"1F326-FE0F",shortnames:["partly_sunny_rain"]},{unified:"1F327-FE0F",shortnames:["rain_cloud"]},{unified:"1F328-FE0F",shortnames:["snow_cloud"]},{unified:"1F329-FE0F",shortnames:["lightning"]},{unified:"1F32A-FE0F",shortnames:["tornado"]},{unified:"1F32B-FE0F",shortnames:["fog"]},{unified:"1F32C-FE0F",shortnames:["wind_blowing_face"]},{unified:"1F300",shortnames:["cyclone"]},{unified:"1F308",shortnames:["rainbow"]},{unified:"1F302",shortnames:["closed_umbrella"]},{unified:"2602-FE0F",shortnames:["umbrella"]},{unified:"2614",shortnames:["umbrella_with_rain_drops"]},{unified:"26F1-FE0F",shortnames:["umbrella_on_ground"]},{unified:"26A1",shortnames:["zap"]},{unified:"2744-FE0F",shortnames:["snowflake"]},{unified:"2603-FE0F",shortnames:["snowman"]},{unified:"26C4",shortnames:["snowman_without_snow"]},{unified:"2604-FE0F",shortnames:["comet"]},{unified:"1F525",shortnames:["fire"]},{unified:"1F4A7",shortnames:["droplet"]},{unified:"1F30A",shortnames:["ocean"]}]},{name:"Activities",emojis:[{unified:"1F383",shortnames:["jack_o_lantern"]},{unified:"1F384",shortnames:["christmas_tree"]},{unified:"1F386",shortnames:["fireworks"]},{unified:"1F387",shortnames:["sparkler"]},{unified:"2728",shortnames:["sparkles"]},{unified:"1F388",shortnames:["balloon"]},{unified:"1F389",shortnames:["tada"]},{unified:"1F38A",shortnames:["confetti_ball"]},{unified:"1F38B",shortnames:["tanabata_tree"]},{unified:"1F38D",shortnames:["bamboo"]},{unified:"1F38E",shortnames:["dolls"]},{unified:"1F38F",shortnames:["flags"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d_book"]},{unified:"1F4D6",shortnames:["book"]},{unified:"1F4D7",shortnames:["green_book"]},{unified:"1F4D8",shortnames:["blue_book"]},{unified:"1F4D9",shortnames:["orange_book"]},{unified:"1F4DA",shortnames:["books"]},{unified:"1F4D3",shortnames:["notebook"]},{unified:"1F4D2",shortnames:["ledger"]},{unified:"1F4C3",shortnames:["page_with_curl"]},{unified:"1F4DC",shortnames:["scroll"]},{unified:"1F4C4",shortnames:["page_facing_up"]},{unified:"1F4F0",shortnames:["newspaper"]},{unified:"1F5DE-FE0F",shortnames:["rolled_up_newspaper"]},{unified:"1F4D1",shortnames:["bookmark_tabs"]},{unified:"1F516",shortnames:["bookmark"]},{unified:"1F3F7-FE0F",shortnames:["label"]},{unified:"1F4B0",shortnames:["moneybag"]},{unified:"1F4B4",shortnames:["yen"]},{unified:"1F4B5",shortnames:["dollar"]},{unified:"1F4B6",shortnames:["euro"]},{unified:"1F4B7",shortnames:["pound"]},{unified:"1F4B8",shortnames:["money_with_wings"]},{unified:"1F4B3",shortnames:["credit_card"]},{unified:"1F4B9",shortnames:["chart"]},{unified:"1F4B1",shortnames:["currency_exchange"]},{unified:"1F4B2",shortnames:["heavy_dollar_sign"]},{unified:"2709-FE0F",shortnames:["email"]},{unified:"1F4E7",shortnames:["e-mail"]},{unified:"1F4E8",shortnames:["incoming_envelope"]},{unified:"1F4E9",shortnames:["envelope_with_arrow"]},{unified:"1F4E4",shortnames:["outbox_tray"]},{unified:"1F4E5",shortnames:["inbox_tray"]},{unified:"1F4E6",shortnames:["package"]},{unified:"1F4EB",shortnames:["mailbox"]},{unified:"1F4EA",shortnames:["mailbox_closed"]},{unified:"1F4EC",shortnames:["mailbox_with_mail"]},{unified:"1F4ED",shortnames:["mailbox_with_no_mail"]},{unified:"1F4EE",shortnames:["postbox"]},{unified:"1F5F3-FE0F",shortnames:["ballot_box_with_ballot"]},{unified:"270F-FE0F",shortnames:["pencil2"]},{unified:"2712-FE0F",shortnames:["black_nib"]},{unified:"1F58B-FE0F",shortnames:["lower_left_fountain_pen"]},{unified:"1F58A-FE0F",shortnames:["lower_left_ballpoint_pen"]},{unified:"1F58C-FE0F",shortnames:["lower_left_paintbrush"]},{unified:"1F58D-FE0F",shortnames:["lower_left_crayon"]},{unified:"1F4DD",shortnames:["memo"]},{unified:"1F4BC",shortnames:["briefcase"]},{unified:"1F4C1",shortnames:["file_folder"]},{unified:"1F4C2",shortnames:["open_file_folder"]},{unified:"1F5C2-FE0F",shortnames:["card_index_dividers"]},{unified:"1F4C5",shortnames:["date"]},{unified:"1F4C6",shortnames:["calendar"]},{unified:"1F5D2-FE0F",shortnames:["spiral_note_pad"]},{unified:"1F5D3-FE0F",shortnames:["spiral_calendar_pad"]},{unified:"1F4C7",shortnames:["card_index"]},{unified:"1F4C8",shortnames:["chart_with_upwards_trend"]},{unified:"1F4C9",shortnames:["chart_with_downwards_trend"]},{unified:"1F4CA",shortnames:["bar_chart"]},{unified:"1F4CB",shortnames:["clipboard"]},{unified:"1F4CC",shortnames:["pushpin"]},{unified:"1F4CD",shortnames:["round_pushpin"]},{unified:"1F4CE",shortnames:["paperclip"]},{unified:"1F587-FE0F",shortnames:["linked_paperclips"]},{unified:"1F4CF",shortnames:["straight_ruler"]},{unified:"1F4D0",shortnames:["triangular_ruler"]},{unified:"2702-FE0F",shortnames:["scissors"]},{unified:"1F5C3-FE0F",shortnames:["card_file_box"]},{unified:"1F5C4-FE0F",shortnames:["file_cabinet"]},{unified:"1F5D1-FE0F",shortnames:["wastebasket"]},{unified:"1F512",shortnames:["lock"]},{unified:"1F513",shortnames:["unlock"]},{unified:"1F50F",shortnames:["lock_with_ink_pen"]},{unified:"1F510",shortnames:["closed_lock_with_key"]},{unified:"1F511",shortnames:["key"]},{unified:"1F5DD-FE0F",shortnames:["old_key"]},{unified:"1F528",shortnames:["hammer"]},{unified:"26CF-FE0F",shortnames:["pick"]},{unified:"2692-FE0F",shortnames:["hammer_and_pick"]},{unified:"1F6E0-FE0F",shortnames:["hammer_and_wrench"]},{unified:"1F5E1-FE0F",shortnames:["dagger_knife"]},{unified:"2694-FE0F",shortnames:["crossed_swords"]},{unified:"1F52B",shortnames:["gun"]},{unified:"1F3F9",shortnames:["bow_and_arrow"]},{unified:"1F6E1-FE0F",shortnames:["shield"]},{unified:"1F527",shortnames:["wrench"]},{unified:"1F529",shortnames:["nut_and_bolt"]},{unified:"2699-FE0F",shortnames:["gear"]},{unified:"1F5DC-FE0F",shortnames:["compression"]},{unified:"2697-FE0F",shortnames:["alembic"]},{unified:"2696-FE0F",shortnames:["scales"]},{unified:"1F517",shortnames:["link"]},{unified:"26D3-FE0F",shortnames:["chains"]},{unified:"1F489",shortnames:["syringe"]},{unified:"1F48A",shortnames:["pill"]},{unified:"1F6AC",shortnames:["smoking"]},{unified:"26B0-FE0F",shortnames:["coffin"]},{unified:"26B1-FE0F",shortnames:["funeral_urn"]},{unified:"1F5FF",shortnames:["moyai"]},{unified:"1F6E2-FE0F",shortnames:["oil_drum"]},{unified:"1F52E",shortnames:["crystal_ball"]},{unified:"1F6D2",shortnames:["shopping_trolley"]}]},{name:"Symbols",emojis:[{unified:"1F3E7",shortnames:["atm"]},{unified:"1F6AE",shortnames:["put_litter_in_its_place"]},{unified:"1F6B0",shortnames:["potable_water"]},{unified:"267F",shortnames:["wheelchair"]},{unified:"1F6B9",shortnames:["mens"]},{unified:"1F6BA",shortnames:["womens"]},{unified:"1F6BB",shortnames:["restroom"]},{unified:"1F6BC",shortnames:["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E0F",fast_forward:"23E9",rewind:"23EA",arrow_double_up:"23EB",arrow_double_down:"23EC",black_right_pointing_double_triangle_with_vertical_bar:"23ED-FE0F",black_left_pointing_double_triangle_with_vertical_bar:"23EE-FE0F",black_right_pointing_triangle_with_double_vertical_bar:"23EF-FE0F",alarm_clock:"23F0",stopwatch:"23F1-FE0F",timer_clock:"23F2-FE0F",hourglass_flowing_sand:"23F3",double_vertical_bar:"23F8-FE0F",black_square_for_stop:"23F9-FE0F",black_circle_for_record:"23FA-FE0F",m:"24C2-FE0F",black_small_square:"25AA-FE0F",white_small_square:"25AB-FE0F",arrow_forward:"25B6-FE0F",arrow_backward:"25C0-FE0F",white_medium_square:"25FB-FE0F",black_medium_square:"25FC-FE0F",white_medium_small_square:"25FD",black_medium_small_square:"25FE",sunny:"2600-FE0F",cloud:"2601-FE0F",umbrella:"2602-FE0F",snowman:"2603-FE0F",comet:"2604-FE0F",phone:"260E-FE0F",ballot_box_with_check:"2611-FE0F",umbrella_with_rain_drops:"2614",coffee:"2615",shamrock:"2618-FE0F",point_up:"261D-FE0F",skull_and_crossbones:"2620-FE0F",radioactive_sign:"2622-FE0F",biohazard_sign:"2623-FE0F",orthodox_cross:"2626-FE0F",star_and_crescent:"262A-FE0F",peace_symbol:"262E-FE0F",yin_yang:"262F-FE0F",wheel_of_dharma:"2638-FE0F",white_frowning_face:"2639-FE0F",relaxed:"263A-FE0F",female_sign:"2640-FE0F",male_sign:"2642-FE0F",aries:"2648",taurus:"2649",gemini:"264A",cancer:"264B",leo:"264C",virgo:"264D",libra:"264E",scorpius:"264F",sagittarius:"2650",capricorn:"2651",aquarius:"2652",pisces:"2653",spades:"2660-FE0F",clubs:"2663-FE0F",hearts:"2665-FE0F",diamonds:"2666-FE0F",hotsprings:"2668-FE0F",recycle:"267B-FE0F",wheelchair:"267F",hammer_and_pick:"2692-FE0F",anchor:"2693",crossed_swords:"2694-FE0F",medical_symbol:"2695-FE0F",scales:"2696-FE0F",alembic:"2697-FE0F",gear:"2699-FE0F",atom_symbol:"269B-FE0F",fleur_de_lis:"269C-FE0F",warning:"26A0-FE0F",zap:"26A1",white_circle:"26AA",black_circle:"26AB",coffin:"26B0-FE0F",funeral_urn:"26B1-FE0F",soccer:"26BD",baseball:"26BE",snowman_without_snow:"26C4",partly_sunny:"26C5",thunder_cloud_and_rain:"26C8-FE0F",ophiuchus:"26CE",pick:"26CF-FE0F",helmet_with_white_cross:"26D1-FE0F",chains:"26D3-FE0F",no_entry:"26D4",shinto_shrine:"26E9-FE0F",church:"26EA",mountain:"26F0-FE0F",umbrella_on_ground:"26F1-FE0F",fountain:"26F2",golf:"26F3",ferry:"26F4-FE0F",boat:"26F5",skier:"26F7-FE0F",ice_skate:"26F8-FE0F","woman-bouncing-ball":"26F9-FE0F-200D-2640-FE0F","man-bouncing-ball":"26F9-FE0F-200D-2642-FE0F",person_with_ball:"26F9-FE0F-200D-2642-FE0F",tent:"26FA",fuelpump:"26FD",scissors:"2702-FE0F",white_check_mark:"2705",airplane:"2708-FE0F",email:"2709-FE0F",fist:"270A",hand:"270B",v:"270C-FE0F",writing_hand:"270D-FE0F",pencil2:"270F-FE0F",black_nib:"2712-FE0F",heavy_check_mark:"2714-FE0F",heavy_multiplication_x:"2716-FE0F",latin_cross:"271D-FE0F",star_of_david:"2721-FE0F",sparkles:"2728",eight_spoked_asterisk:"2733-FE0F",eight_pointed_black_star:"2734-FE0F",snowflake:"2744-FE0F",sparkle:"2747-FE0F",x:"274C",negative_squared_cross_mark:"274E",question:"2753",grey_question:"2754",grey_exclamation:"2755",exclamation:"2757",heavy_heart_exclamation_mark_ornament:"2763-FE0F",heart:"2764-FE0F",heavy_plus_sign:"2795",heavy_minus_sign:"2796",heavy_division_sign:"2797",arrow_right:"27A1-FE0F",curly_loop:"27B0",loop:"27BF",arrow_heading_up:"2934-FE0F",arrow_heading_down:"2935-FE0F",arrow_left:"2B05-FE0F",arrow_up:"2B06-FE0F",arrow_down:"2B07-FE0F",black_large_square:"2B1B",white_large_square:"2B1C",star:"2B50",o:"2B55",wavy_dash:"3030-FE0F",part_alternation_mark:"303D-FE0F",congratulations:"3297-FE0F",secret:"3299-FE0F"}}));
+
+//# sourceMappingURL=data.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/emoji/data.min.js.map b/lib/amd/build/emoji/data.min.js.map
index 4dfdda82666..53ea8f062c1 100644
--- a/lib/amd/build/emoji/data.min.js.map
+++ b/lib/amd/build/emoji/data.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji data based on the data available from https://github.com/iamcal/emoji-data.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nexport const byCategory = [\n    {\n        \"name\": \"Smileys & People\",\n        \"emojis\": [\n            {\n                \"unified\": \"1F600\",\n                \"shortnames\": [\n                    \"grinning\"\n                ]\n            },\n            {\n                \"unified\": \"1F601\",\n                \"shortnames\": [\n                    \"grin\"\n                ]\n            },\n            {\n                \"unified\": \"1F602\",\n                \"shortnames\": [\n                    \"joy\"\n                ]\n            },\n            {\n                \"unified\": \"1F923\",\n                \"shortnames\": [\n                    \"rolling_on_the_floor_laughing\"\n                ]\n            },\n            {\n                \"unified\": \"1F603\",\n                \"shortnames\": [\n                    \"smiley\"\n                ]\n            },\n            {\n                \"unified\": \"1F604\",\n                \"shortnames\": [\n                    \"smile\"\n                ]\n            },\n            {\n                \"unified\": \"1F605\",\n                \"shortnames\": [\n                    \"sweat_smile\"\n                ]\n            },\n            {\n                \"unified\": \"1F606\",\n                \"shortnames\": [\n                    \"laughing\"\n                ]\n            },\n            {\n                \"unified\": \"1F609\",\n                \"shortnames\": [\n                    \"wink\"\n                ]\n            },\n            {\n                \"unified\": \"1F60A\",\n                \"shortnames\": [\n                    \"blush\"\n                ]\n            },\n            {\n                \"unified\": \"1F60B\",\n                \"shortnames\": [\n                    \"yum\"\n                ]\n            },\n            {\n                \"unified\": \"1F60E\",\n                \"shortnames\": [\n                    \"sunglasses\"\n                ]\n            },\n            {\n                \"unified\": \"1F60D\",\n                \"shortnames\": [\n                    \"heart_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"1F618\",\n                \"shortnames\": [\n                    \"kissing_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F617\",\n                \"shortnames\": [\n                    \"kissing\"\n                ]\n            },\n            {\n                \"unified\": \"1F619\",\n                \"shortnames\": [\n                    \"kissing_smiling_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"1F61A\",\n                \"shortnames\": [\n                    \"kissing_closed_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"263A-FE0F\",\n                \"shortnames\": [\n                    \"relaxed\"\n                ]\n            },\n            {\n                \"unified\": \"1F642\",\n                \"shortnames\": [\n                    \"slightly_smiling_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F917\",\n                \"shortnames\": [\n                    \"hugging_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F929\",\n                \"shortnames\": [\n                    \"star-struck\"\n                ]\n            },\n            {\n                \"unified\": \"1F914\",\n                \"shortnames\": [\n                    \"thinking_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F928\",\n                \"shortnames\": [\n                    \"face_with_raised_eyebrow\"\n                ]\n            },\n            {\n                \"unified\": \"1F610\",\n                \"shortnames\": [\n                    \"neutral_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F611\",\n                \"shortnames\": [\n                    \"expressionless\"\n                ]\n            },\n            {\n                \"unified\": \"1F636\",\n                \"shortnames\": [\n                    \"no_mouth\"\n                ]\n            },\n            {\n                \"unified\": \"1F644\",\n                \"shortnames\": [\n                    \"face_with_rolling_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"1F60F\",\n                \"shortnames\": [\n                    \"smirk\"\n                ]\n            },\n            {\n                \"unified\": \"1F623\",\n                \"shortnames\": [\n                    \"persevere\"\n                ]\n            },\n            {\n                \"unified\": \"1F625\",\n                \"shortnames\": [\n                    \"disappointed_relieved\"\n                ]\n            },\n            {\n                \"unified\": \"1F62E\",\n                \"shortnames\": [\n                    \"open_mouth\"\n                ]\n            },\n            {\n                \"unified\": \"1F910\",\n                \"shortnames\": [\n                    \"zipper_mouth_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F62F\",\n                \"shortnames\": [\n                    \"hushed\"\n                ]\n            },\n            {\n                \"unified\": \"1F62A\",\n                \"shortnames\": [\n                    \"sleepy\"\n                ]\n            },\n            {\n                \"unified\": \"1F62B\",\n                \"shortnames\": [\n                    \"tired_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F634\",\n                \"shortnames\": [\n                    \"sleeping\"\n                ]\n            },\n            {\n                \"unified\": \"1F60C\",\n                \"shortnames\": [\n                    \"relieved\"\n                ]\n            },\n            {\n                \"unified\": \"1F61B\",\n                \"shortnames\": [\n                    \"stuck_out_tongue\"\n                ]\n            },\n            {\n                \"unified\": \"1F61C\",\n                \"shortnames\": [\n                    \"stuck_out_tongue_winking_eye\"\n                ]\n            },\n            {\n                \"unified\": \"1F61D\",\n                \"shortnames\": [\n                    \"stuck_out_tongue_closed_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"1F924\",\n                \"shortnames\": [\n                    \"drooling_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F612\",\n                \"shortnames\": [\n                    \"unamused\"\n                ]\n            },\n            {\n                \"unified\": \"1F613\",\n                \"shortnames\": [\n                    \"sweat\"\n                ]\n            },\n            {\n                \"unified\": \"1F614\",\n                \"shortnames\": [\n                    \"pensive\"\n                ]\n            },\n            {\n                \"unified\": \"1F615\",\n                \"shortnames\": [\n                    \"confused\"\n                ]\n            },\n            {\n                \"unified\": \"1F643\",\n                \"shortnames\": [\n                    \"upside_down_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F911\",\n                \"shortnames\": [\n                    \"money_mouth_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F632\",\n                \"shortnames\": [\n                    \"astonished\"\n                ]\n            },\n            {\n                \"unified\": \"2639-FE0F\",\n                \"shortnames\": [\n                    \"white_frowning_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F641\",\n                \"shortnames\": [\n                    \"slightly_frowning_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F616\",\n                \"shortnames\": [\n                    \"confounded\"\n                ]\n            },\n            {\n                \"unified\": \"1F61E\",\n                \"shortnames\": [\n                    \"disappointed\"\n                ]\n            },\n            {\n                \"unified\": \"1F61F\",\n                \"shortnames\": [\n                    \"worried\"\n                ]\n            },\n            {\n                \"unified\": \"1F624\",\n                \"shortnames\": [\n                    \"triumph\"\n                ]\n            },\n            {\n                \"unified\": \"1F622\",\n                \"shortnames\": [\n                    \"cry\"\n                ]\n            },\n            {\n                \"unified\": \"1F62D\",\n                \"shortnames\": [\n                    \"sob\"\n                ]\n            },\n            {\n                \"unified\": \"1F626\",\n                \"shortnames\": [\n                    \"frowning\"\n                ]\n            },\n            {\n                \"unified\": \"1F627\",\n                \"shortnames\": [\n                    \"anguished\"\n                ]\n            },\n            {\n                \"unified\": \"1F628\",\n                \"shortnames\": [\n                    \"fearful\"\n                ]\n            },\n            {\n                \"unified\": \"1F629\",\n                \"shortnames\": [\n                    \"weary\"\n                ]\n            },\n            {\n                \"unified\": \"1F92F\",\n                \"shortnames\": [\n                    \"exploding_head\"\n                ]\n            },\n            {\n                \"unified\": \"1F62C\",\n                \"shortnames\": [\n                    \"grimacing\"\n                ]\n            },\n            {\n                \"unified\": \"1F630\",\n                \"shortnames\": [\n                    \"cold_sweat\"\n                ]\n            },\n            {\n                \"unified\": \"1F631\",\n                \"shortnames\": [\n                    \"scream\"\n                ]\n            },\n            {\n                \"unified\": \"1F633\",\n                \"shortnames\": [\n                    \"flushed\"\n                ]\n            },\n            {\n                \"unified\": \"1F92A\",\n                \"shortnames\": [\n                    \"zany_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F635\",\n                \"shortnames\": [\n                    \"dizzy_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F621\",\n                \"shortnames\": [\n                    \"rage\"\n                ]\n            },\n            {\n                \"unified\": \"1F620\",\n                \"shortnames\": [\n                    \"angry\"\n                ]\n            },\n            {\n                \"unified\": \"1F92C\",\n                \"shortnames\": [\n                    \"face_with_symbols_on_mouth\"\n                ]\n            },\n            {\n                \"unified\": \"1F637\",\n                \"shortnames\": [\n                    \"mask\"\n                ]\n            },\n            {\n                \"unified\": \"1F912\",\n                \"shortnames\": [\n                    \"face_with_thermometer\"\n                ]\n            },\n            {\n                \"unified\": \"1F915\",\n                \"shortnames\": [\n                    \"face_with_head_bandage\"\n                ]\n            },\n            {\n                \"unified\": \"1F922\",\n                \"shortnames\": [\n                    \"nauseated_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F92E\",\n                \"shortnames\": [\n                    \"face_vomiting\"\n                ]\n            },\n            {\n                \"unified\": \"1F927\",\n                \"shortnames\": [\n                    \"sneezing_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F607\",\n                \"shortnames\": [\n                    \"innocent\"\n                ]\n            },\n            {\n                \"unified\": \"1F920\",\n                \"shortnames\": [\n                    \"face_with_cowboy_hat\"\n                ]\n            },\n            {\n                \"unified\": \"1F921\",\n                \"shortnames\": [\n                    \"clown_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F925\",\n                \"shortnames\": [\n                    \"lying_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F92B\",\n                \"shortnames\": [\n                    \"shushing_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F92D\",\n                \"shortnames\": [\n                    \"face_with_hand_over_mouth\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D0\",\n                \"shortnames\": [\n                    \"face_with_monocle\"\n                ]\n            },\n            {\n                \"unified\": \"1F913\",\n                \"shortnames\": [\n                    \"nerd_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F608\",\n                \"shortnames\": [\n                    \"smiling_imp\"\n                ]\n            },\n            {\n                \"unified\": \"1F47F\",\n                \"shortnames\": [\n                    \"imp\"\n                ]\n            },\n            {\n                \"unified\": \"1F479\",\n                \"shortnames\": [\n                    \"japanese_ogre\"\n                ]\n            },\n            {\n                \"unified\": \"1F47A\",\n                \"shortnames\": [\n                    \"japanese_goblin\"\n                ]\n            },\n            {\n                \"unified\": \"1F480\",\n                \"shortnames\": [\n                    \"skull\"\n                ]\n            },\n            {\n                \"unified\": \"2620-FE0F\",\n                \"shortnames\": [\n                    \"skull_and_crossbones\"\n                ]\n            },\n            {\n                \"unified\": \"1F47B\",\n                \"shortnames\": [\n                    \"ghost\"\n                ]\n            },\n            {\n                \"unified\": \"1F47D\",\n                \"shortnames\": [\n                    \"alien\"\n                ]\n            },\n            {\n                \"unified\": \"1F47E\",\n                \"shortnames\": [\n                    \"space_invader\"\n                ]\n            },\n            {\n                \"unified\": \"1F916\",\n                \"shortnames\": [\n                    \"robot_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F4A9\",\n                \"shortnames\": [\n                    \"hankey\"\n                ]\n            },\n            {\n                \"unified\": \"1F63A\",\n                \"shortnames\": [\n                    \"smiley_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F638\",\n                \"shortnames\": [\n                    \"smile_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F639\",\n                \"shortnames\": [\n                    \"joy_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F63B\",\n                \"shortnames\": [\n                    \"heart_eyes_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F63C\",\n                \"shortnames\": [\n                    \"smirk_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F63D\",\n                \"shortnames\": [\n                    \"kissing_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F640\",\n                \"shortnames\": [\n                    \"scream_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F63F\",\n                \"shortnames\": [\n                    \"crying_cat_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F63E\",\n                \"shortnames\": [\n                    \"pouting_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F648\",\n                \"shortnames\": [\n                    \"see_no_evil\"\n                ]\n            },\n            {\n                \"unified\": \"1F649\",\n                \"shortnames\": [\n                    \"hear_no_evil\"\n                ]\n            },\n            {\n                \"unified\": \"1F64A\",\n                \"shortnames\": [\n                    \"speak_no_evil\"\n                ]\n            },\n            {\n                \"unified\": \"1F476\",\n                \"shortnames\": [\n                    \"baby\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D2\",\n                \"shortnames\": [\n                    \"child\"\n                ]\n            },\n            {\n                \"unified\": \"1F466\",\n                \"shortnames\": [\n                    \"boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F467\",\n                \"shortnames\": [\n                    \"girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D1\",\n                \"shortnames\": [\n                    \"adult\"\n                ]\n            },\n            {\n                \"unified\": \"1F468\",\n                \"shortnames\": [\n                    \"man\"\n                ]\n            },\n            {\n                \"unified\": \"1F469\",\n                \"shortnames\": [\n                    \"woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D3\",\n                \"shortnames\": [\n                    \"older_adult\"\n                ]\n            },\n            {\n                \"unified\": \"1F474\",\n                \"shortnames\": [\n                    \"older_man\"\n                ]\n            },\n            {\n                \"unified\": \"1F475\",\n                \"shortnames\": [\n                    \"older_woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2695-FE0F\",\n                \"shortnames\": [\n                    \"male-doctor\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2695-FE0F\",\n                \"shortnames\": [\n                    \"female-doctor\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F393\",\n                \"shortnames\": [\n                    \"male-student\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F393\",\n                \"shortnames\": [\n                    \"female-student\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F3EB\",\n                \"shortnames\": [\n                    \"male-teacher\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F3EB\",\n                \"shortnames\": [\n                    \"female-teacher\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2696-FE0F\",\n                \"shortnames\": [\n                    \"male-judge\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2696-FE0F\",\n                \"shortnames\": [\n                    \"female-judge\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F33E\",\n                \"shortnames\": [\n                    \"male-farmer\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F33E\",\n                \"shortnames\": [\n                    \"female-farmer\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F373\",\n                \"shortnames\": [\n                    \"male-cook\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F373\",\n                \"shortnames\": [\n                    \"female-cook\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F527\",\n                \"shortnames\": [\n                    \"male-mechanic\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F527\",\n                \"shortnames\": [\n                    \"female-mechanic\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F3ED\",\n                \"shortnames\": [\n                    \"male-factory-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F3ED\",\n                \"shortnames\": [\n                    \"female-factory-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F4BC\",\n                \"shortnames\": [\n                    \"male-office-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F4BC\",\n                \"shortnames\": [\n                    \"female-office-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F52C\",\n                \"shortnames\": [\n                    \"male-scientist\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F52C\",\n                \"shortnames\": [\n                    \"female-scientist\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F4BB\",\n                \"shortnames\": [\n                    \"male-technologist\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F4BB\",\n                \"shortnames\": [\n                    \"female-technologist\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F3A4\",\n                \"shortnames\": [\n                    \"male-singer\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F3A4\",\n                \"shortnames\": [\n                    \"female-singer\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F3A8\",\n                \"shortnames\": [\n                    \"male-artist\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F3A8\",\n                \"shortnames\": [\n                    \"female-artist\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2708-FE0F\",\n                \"shortnames\": [\n                    \"male-pilot\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2708-FE0F\",\n                \"shortnames\": [\n                    \"female-pilot\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F680\",\n                \"shortnames\": [\n                    \"male-astronaut\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F680\",\n                \"shortnames\": [\n                    \"female-astronaut\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F692\",\n                \"shortnames\": [\n                    \"male-firefighter\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F692\",\n                \"shortnames\": [\n                    \"female-firefighter\"\n                ]\n            },\n            {\n                \"unified\": \"1F46E-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male-police-officer\",\n                    \"cop\"\n                ]\n            },\n            {\n                \"unified\": \"1F46E-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female-police-officer\"\n                ]\n            },\n            {\n                \"unified\": \"1F575-FE0F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male-detective\",\n                    \"sleuth_or_spy\"\n                ]\n            },\n            {\n                \"unified\": \"1F575-FE0F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female-detective\"\n                ]\n            },\n            {\n                \"unified\": \"1F482-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male-guard\",\n                    \"guardsman\"\n                ]\n            },\n            {\n                \"unified\": \"1F482-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female-guard\"\n                ]\n            },\n            {\n                \"unified\": \"1F477-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male-construction-worker\",\n                    \"construction_worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F477-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female-construction-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F934\",\n                \"shortnames\": [\n                    \"prince\"\n                ]\n            },\n            {\n                \"unified\": \"1F478\",\n                \"shortnames\": [\n                    \"princess\"\n                ]\n            },\n            {\n                \"unified\": \"1F473-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-wearing-turban\",\n                    \"man_with_turban\"\n                ]\n            },\n            {\n                \"unified\": \"1F473-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-wearing-turban\"\n                ]\n            },\n            {\n                \"unified\": \"1F472\",\n                \"shortnames\": [\n                    \"man_with_gua_pi_mao\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D5\",\n                \"shortnames\": [\n                    \"person_with_headscarf\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D4\",\n                \"shortnames\": [\n                    \"bearded_person\"\n                ]\n            },\n            {\n                \"unified\": \"1F471-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"blond-haired-man\",\n                    \"person_with_blond_hair\"\n                ]\n            },\n            {\n                \"unified\": \"1F471-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"blond-haired-woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F935\",\n                \"shortnames\": [\n                    \"man_in_tuxedo\"\n                ]\n            },\n            {\n                \"unified\": \"1F470\",\n                \"shortnames\": [\n                    \"bride_with_veil\"\n                ]\n            },\n            {\n                \"unified\": \"1F930\",\n                \"shortnames\": [\n                    \"pregnant_woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F931\",\n                \"shortnames\": [\n                    \"breast-feeding\"\n                ]\n            },\n            {\n                \"unified\": \"1F47C\",\n                \"shortnames\": [\n                    \"angel\"\n                ]\n            },\n            {\n                \"unified\": \"1F385\",\n                \"shortnames\": [\n                    \"santa\"\n                ]\n            },\n            {\n                \"unified\": \"1F936\",\n                \"shortnames\": [\n                    \"mrs_claus\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D9-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_mage\",\n                    \"mage\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D9-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_mage\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DA-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_fairy\",\n                    \"fairy\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DA-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_fairy\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DB-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_vampire\",\n                    \"vampire\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DB-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_vampire\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DC-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"mermaid\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DC-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"merman\",\n                    \"merperson\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DD-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_elf\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DD-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_elf\",\n                    \"elf\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DE-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_genie\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DE-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_genie\",\n                    \"genie\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DF-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_zombie\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DF-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_zombie\",\n                    \"zombie\"\n                ]\n            },\n            {\n                \"unified\": \"1F64D-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-frowning\"\n                ]\n            },\n            {\n                \"unified\": \"1F64D-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-frowning\",\n                    \"person_frowning\"\n                ]\n            },\n            {\n                \"unified\": \"1F64E-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-pouting\"\n                ]\n            },\n            {\n                \"unified\": \"1F64E-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-pouting\",\n                    \"person_with_pouting_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F645-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-gesturing-no\"\n                ]\n            },\n            {\n                \"unified\": \"1F645-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-gesturing-no\",\n                    \"no_good\"\n                ]\n            },\n            {\n                \"unified\": \"1F646-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-gesturing-ok\"\n                ]\n            },\n            {\n                \"unified\": \"1F646-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-gesturing-ok\",\n                    \"ok_woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F481-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-tipping-hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F481-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-tipping-hand\",\n                    \"information_desk_person\"\n                ]\n            },\n            {\n                \"unified\": \"1F64B-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-raising-hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F64B-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-raising-hand\",\n                    \"raising_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F647-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-bowing\",\n                    \"bow\"\n                ]\n            },\n            {\n                \"unified\": \"1F647-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-bowing\"\n                ]\n            },\n            {\n                \"unified\": \"1F926\",\n                \"shortnames\": [\n                    \"face_palm\"\n                ]\n            },\n            {\n                \"unified\": \"1F926-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-facepalming\"\n                ]\n            },\n            {\n                \"unified\": \"1F926-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-facepalming\"\n                ]\n            },\n            {\n                \"unified\": \"1F937\",\n                \"shortnames\": [\n                    \"shrug\"\n                ]\n            },\n            {\n                \"unified\": \"1F937-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-shrugging\"\n                ]\n            },\n            {\n                \"unified\": \"1F937-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-shrugging\"\n                ]\n            },\n            {\n                \"unified\": \"1F486-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-getting-massage\"\n                ]\n            },\n            {\n                \"unified\": \"1F486-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-getting-massage\",\n                    \"massage\"\n                ]\n            },\n            {\n                \"unified\": \"1F487-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-getting-haircut\"\n                ]\n            },\n            {\n                \"unified\": \"1F487-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-getting-haircut\",\n                    \"haircut\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B6-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-walking\",\n                    \"walking\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B6-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-walking\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C3-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-running\",\n                    \"runner\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C3-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-running\"\n                ]\n            },\n            {\n                \"unified\": \"1F483\",\n                \"shortnames\": [\n                    \"dancer\"\n                ]\n            },\n            {\n                \"unified\": \"1F57A\",\n                \"shortnames\": [\n                    \"man_dancing\"\n                ]\n            },\n            {\n                \"unified\": \"1F46F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-with-bunny-ears-partying\"\n                ]\n            },\n            {\n                \"unified\": \"1F46F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-with-bunny-ears-partying\",\n                    \"dancers\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D6-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman_in_steamy_room\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D6-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man_in_steamy_room\",\n                    \"person_in_steamy_room\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D7-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman_climbing\",\n                    \"person_climbing\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D7-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man_climbing\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D8-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman_in_lotus_position\",\n                    \"person_in_lotus_position\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D8-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man_in_lotus_position\"\n                ]\n            },\n            {\n                \"unified\": \"1F6C0\",\n                \"shortnames\": [\n                    \"bath\"\n                ]\n            },\n            {\n                \"unified\": \"1F6CC\",\n                \"shortnames\": [\n                    \"sleeping_accommodation\"\n                ]\n            },\n            {\n                \"unified\": \"1F574-FE0F\",\n                \"shortnames\": [\n                    \"man_in_business_suit_levitating\"\n                ]\n            },\n            {\n                \"unified\": \"1F5E3-FE0F\",\n                \"shortnames\": [\n                    \"speaking_head_in_silhouette\"\n                ]\n            },\n            {\n                \"unified\": \"1F464\",\n                \"shortnames\": [\n                    \"bust_in_silhouette\"\n                ]\n            },\n            {\n                \"unified\": \"1F465\",\n                \"shortnames\": [\n                    \"busts_in_silhouette\"\n                ]\n            },\n            {\n                \"unified\": \"1F93A\",\n                \"shortnames\": [\n                    \"fencer\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C7\",\n                \"shortnames\": [\n                    \"horse_racing\"\n                ]\n            },\n            {\n                \"unified\": \"26F7-FE0F\",\n                \"shortnames\": [\n                    \"skier\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C2\",\n                \"shortnames\": [\n                    \"snowboarder\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CC-FE0F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-golfing\",\n                    \"golfer\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CC-FE0F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-golfing\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C4-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-surfing\",\n                    \"surfer\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C4-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-surfing\"\n                ]\n            },\n            {\n                \"unified\": \"1F6A3-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-rowing-boat\",\n                    \"rowboat\"\n                ]\n            },\n            {\n                \"unified\": \"1F6A3-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-rowing-boat\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CA-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-swimming\",\n                    \"swimmer\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CA-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-swimming\"\n                ]\n            },\n            {\n                \"unified\": \"26F9-FE0F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-bouncing-ball\",\n                    \"person_with_ball\"\n                ]\n            },\n            {\n                \"unified\": \"26F9-FE0F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-bouncing-ball\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CB-FE0F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-lifting-weights\",\n                    \"weight_lifter\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CB-FE0F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-lifting-weights\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B4-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-biking\",\n                    \"bicyclist\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B4-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-biking\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B5-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-mountain-biking\",\n                    \"mountain_bicyclist\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B5-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-mountain-biking\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CE-FE0F\",\n                \"shortnames\": [\n                    \"racing_car\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CD-FE0F\",\n                \"shortnames\": [\n                    \"racing_motorcycle\"\n                ]\n            },\n            {\n                \"unified\": \"1F938\",\n                \"shortnames\": [\n                    \"person_doing_cartwheel\"\n                ]\n            },\n            {\n                \"unified\": \"1F938-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-cartwheeling\"\n                ]\n            },\n            {\n                \"unified\": \"1F938-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-cartwheeling\"\n                ]\n            },\n            {\n                \"unified\": \"1F93C\",\n                \"shortnames\": [\n                    \"wrestlers\"\n                ]\n            },\n            {\n                \"unified\": \"1F93C-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-wrestling\"\n                ]\n            },\n            {\n                \"unified\": \"1F93C-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-wrestling\"\n                ]\n            },\n            {\n                \"unified\": \"1F93D\",\n                \"shortnames\": [\n                    \"water_polo\"\n                ]\n            },\n            {\n                \"unified\": \"1F93D-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-playing-water-polo\"\n                ]\n            },\n            {\n                \"unified\": \"1F93D-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-playing-water-polo\"\n                ]\n            },\n            {\n                \"unified\": \"1F93E\",\n                \"shortnames\": [\n                    \"handball\"\n                ]\n            },\n            {\n                \"unified\": \"1F93E-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-playing-handball\"\n                ]\n            },\n            {\n                \"unified\": \"1F93E-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-playing-handball\"\n                ]\n            },\n            {\n                \"unified\": \"1F939\",\n                \"shortnames\": [\n                    \"juggling\"\n                ]\n            },\n            {\n                \"unified\": \"1F939-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-juggling\"\n                ]\n            },\n            {\n                \"unified\": \"1F939-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-juggling\"\n                ]\n            },\n            {\n                \"unified\": \"1F46B\",\n                \"shortnames\": [\n                    \"couple\"\n                ]\n            },\n            {\n                \"unified\": \"1F46C\",\n                \"shortnames\": [\n                    \"two_men_holding_hands\"\n                ]\n            },\n            {\n                \"unified\": \"1F46D\",\n                \"shortnames\": [\n                    \"two_women_holding_hands\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F468\",\n                \"shortnames\": [\n                    \"woman-kiss-man\",\n                    \"couplekiss\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2764-FE0F-200D-1F48B-200D-1F468\",\n                \"shortnames\": [\n                    \"man-kiss-man\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F469\",\n                \"shortnames\": [\n                    \"woman-kiss-woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2764-FE0F-200D-1F468\",\n                \"shortnames\": [\n                    \"woman-heart-man\",\n                    \"couple_with_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2764-FE0F-200D-1F468\",\n                \"shortnames\": [\n                    \"man-heart-man\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2764-FE0F-200D-1F469\",\n                \"shortnames\": [\n                    \"woman-heart-woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F466\",\n                \"shortnames\": [\n                    \"man-woman-boy\",\n                    \"family\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F467\",\n                \"shortnames\": [\n                    \"man-woman-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"man-woman-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"man-woman-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"man-woman-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F466\",\n                \"shortnames\": [\n                    \"man-man-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F467\",\n                \"shortnames\": [\n                    \"man-man-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"man-man-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"man-man-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"man-man-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-woman-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F467\",\n                \"shortnames\": [\n                    \"woman-woman-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-woman-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-woman-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"woman-woman-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F466\",\n                \"shortnames\": [\n                    \"man-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"man-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F467\",\n                \"shortnames\": [\n                    \"man-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"man-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"man-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F467\",\n                \"shortnames\": [\n                    \"woman-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"woman-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F933\",\n                \"shortnames\": [\n                    \"selfie\"\n                ]\n            },\n            {\n                \"unified\": \"1F4AA\",\n                \"shortnames\": [\n                    \"muscle\"\n                ]\n            },\n            {\n                \"unified\": \"1F448\",\n                \"shortnames\": [\n                    \"point_left\"\n                ]\n            },\n            {\n                \"unified\": \"1F449\",\n                \"shortnames\": [\n                    \"point_right\"\n                ]\n            },\n            {\n                \"unified\": \"261D-FE0F\",\n                \"shortnames\": [\n                    \"point_up\"\n                ]\n            },\n            {\n                \"unified\": \"1F446\",\n                \"shortnames\": [\n                    \"point_up_2\"\n                ]\n            },\n            {\n                \"unified\": \"1F595\",\n                \"shortnames\": [\n                    \"middle_finger\"\n                ]\n            },\n            {\n                \"unified\": \"1F447\",\n                \"shortnames\": [\n                    \"point_down\"\n                ]\n            },\n            {\n                \"unified\": \"270C-FE0F\",\n                \"shortnames\": [\n                    \"v\"\n                ]\n            },\n            {\n                \"unified\": \"1F91E\",\n                \"shortnames\": [\n                    \"crossed_fingers\"\n                ]\n            },\n            {\n                \"unified\": \"1F596\",\n                \"shortnames\": [\n                    \"spock-hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F918\",\n                \"shortnames\": [\n                    \"the_horns\"\n                ]\n            },\n            {\n                \"unified\": \"1F919\",\n                \"shortnames\": [\n                    \"call_me_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F590-FE0F\",\n                \"shortnames\": [\n                    \"raised_hand_with_fingers_splayed\"\n                ]\n            },\n            {\n                \"unified\": \"270B\",\n                \"shortnames\": [\n                    \"hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F44C\",\n                \"shortnames\": [\n                    \"ok_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F44D\",\n                \"shortnames\": [\n                    \"+1\"\n                ]\n            },\n            {\n                \"unified\": \"1F44E\",\n                \"shortnames\": [\n                    \"-1\"\n                ]\n            },\n            {\n                \"unified\": \"270A\",\n                \"shortnames\": [\n                    \"fist\"\n                ]\n            },\n            {\n                \"unified\": \"1F44A\",\n                \"shortnames\": [\n                    \"facepunch\"\n                ]\n            },\n            {\n                \"unified\": \"1F91B\",\n                \"shortnames\": [\n                    \"left-facing_fist\"\n                ]\n            },\n            {\n                \"unified\": \"1F91C\",\n                \"shortnames\": [\n                    \"right-facing_fist\"\n                ]\n            },\n            {\n                \"unified\": \"1F91A\",\n                \"shortnames\": [\n                    \"raised_back_of_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F44B\",\n                \"shortnames\": [\n                    \"wave\"\n                ]\n            },\n            {\n                \"unified\": \"1F91F\",\n                \"shortnames\": [\n                    \"i_love_you_hand_sign\"\n                ]\n            },\n            {\n                \"unified\": \"270D-FE0F\",\n                \"shortnames\": [\n                    \"writing_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F44F\",\n                \"shortnames\": [\n                    \"clap\"\n                ]\n            },\n            {\n                \"unified\": \"1F450\",\n                \"shortnames\": [\n                    \"open_hands\"\n                ]\n            },\n            {\n                \"unified\": \"1F64C\",\n                \"shortnames\": [\n                    \"raised_hands\"\n                ]\n            },\n            {\n                \"unified\": \"1F932\",\n                \"shortnames\": [\n                    \"palms_up_together\"\n                ]\n            },\n            {\n                \"unified\": \"1F64F\",\n                \"shortnames\": [\n                    \"pray\"\n                ]\n            },\n            {\n                \"unified\": \"1F91D\",\n                \"shortnames\": [\n                    \"handshake\"\n                ]\n            },\n            {\n                \"unified\": \"1F485\",\n                \"shortnames\": [\n                    \"nail_care\"\n                ]\n            },\n            {\n                \"unified\": \"1F442\",\n                \"shortnames\": [\n                    \"ear\"\n                ]\n            },\n            {\n                \"unified\": \"1F443\",\n          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\"shortnames\": [\n                    \"tongue\"\n                ]\n            },\n            {\n                \"unified\": \"1F444\",\n                \"shortnames\": [\n                    \"lips\"\n                ]\n            },\n            {\n                \"unified\": \"1F48B\",\n                \"shortnames\": [\n                    \"kiss\"\n                ]\n            },\n            {\n                \"unified\": \"1F498\",\n                \"shortnames\": [\n                    \"cupid\"\n                ]\n            },\n            {\n                \"unified\": \"2764-FE0F\",\n                \"shortnames\": [\n                    \"heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F493\",\n                \"shortnames\": [\n                    \"heartbeat\"\n                ]\n            },\n            {\n                \"unified\": \"1F494\",\n                \"shortnames\": [\n                    \"broken_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F495\",\n                \"shortnames\": [\n                    \"two_hearts\"\n                ]\n            },\n            {\n                \"unified\": \"1F496\",\n                \"shortnames\": [\n                    \"sparkling_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F497\",\n                \"shortnames\": [\n                    \"heartpulse\"\n                ]\n            },\n            {\n                \"unified\": \"1F499\",\n                \"shortnames\": [\n                    \"blue_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F49A\",\n                \"shortnames\": [\n                    \"green_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F49B\",\n                \"shortnames\": [\n                    \"yellow_heart\"\n   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\"unified\": \"1F456\",\n                \"shortnames\": [\n                    \"jeans\"\n                ]\n            },\n            {\n                \"unified\": \"1F9E3\",\n                \"shortnames\": [\n                    \"scarf\"\n                ]\n            },\n            {\n                \"unified\": \"1F9E4\",\n                \"shortnames\": [\n                    \"gloves\"\n                ]\n            },\n            {\n                \"unified\": \"1F9E5\",\n                \"shortnames\": [\n                    \"coat\"\n                ]\n            },\n            {\n                \"unified\": \"1F9E6\",\n                \"shortnames\": [\n                    \"socks\"\n                ]\n            },\n            {\n                \"unified\": \"1F457\",\n                \"shortnames\": [\n                    \"dress\"\n                ]\n            },\n            {\n                \"unified\": \"1F458\",\n                \"shortnames\": 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\"shopping_bags\"\n                ]\n            },\n            {\n                \"unified\": \"1F392\",\n                \"shortnames\": [\n                    \"school_satchel\"\n                ]\n            },\n            {\n                \"unified\": \"1F45E\",\n                \"shortnames\": [\n                    \"mans_shoe\"\n                ]\n            },\n            {\n                \"unified\": \"1F45F\",\n                \"shortnames\": [\n                    \"athletic_shoe\"\n                ]\n            },\n            {\n                \"unified\": \"1F460\",\n                \"shortnames\": [\n                    \"high_heel\"\n                ]\n            },\n            {\n                \"unified\": \"1F461\",\n                \"shortnames\": [\n                    \"sandal\"\n                ]\n            },\n            {\n                \"unified\": \"1F462\",\n                \"shortnames\": [\n                    \"boot\"\n               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},\n            {\n                \"unified\": \"1F4FF\",\n                \"shortnames\": [\n                    \"prayer_beads\"\n                ]\n            },\n            {\n                \"unified\": \"1F484\",\n                \"shortnames\": [\n                    \"lipstick\"\n                ]\n            },\n            {\n                \"unified\": \"1F48D\",\n                \"shortnames\": [\n                    \"ring\"\n                ]\n            },\n            {\n                \"unified\": \"1F48E\",\n                \"shortnames\": [\n                    \"gem\"\n                ]\n            }\n        ]\n    },\n    {\n        \"name\": \"Animals & Nature\",\n        \"emojis\": [\n            {\n                \"unified\": \"1F435\",\n                \"shortnames\": [\n                    \"monkey_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F412\",\n                \"shortnames\": [\n                   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\"snake\"\n                ]\n            },\n            {\n                \"unified\": \"1F432\",\n                \"shortnames\": [\n                    \"dragon_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F409\",\n                \"shortnames\": [\n                    \"dragon\"\n                ]\n            },\n            {\n                \"unified\": \"1F995\",\n                \"shortnames\": [\n                    \"sauropod\"\n                ]\n            },\n            {\n                \"unified\": \"1F996\",\n                \"shortnames\": [\n                    \"t-rex\"\n                ]\n            },\n            {\n                \"unified\": \"1F433\",\n                \"shortnames\": [\n                    \"whale\"\n                ]\n            },\n            {\n                \"unified\": \"1F40B\",\n                \"shortnames\": [\n                    \"whale2\"\n                ]\n            },\n  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\"1F41A\",\n                \"shortnames\": [\n                    \"shell\"\n                ]\n            },\n            {\n                \"unified\": \"1F980\",\n                \"shortnames\": [\n                    \"crab\"\n                ]\n            },\n            {\n                \"unified\": \"1F990\",\n                \"shortnames\": [\n                    \"shrimp\"\n                ]\n            },\n            {\n                \"unified\": \"1F991\",\n                \"shortnames\": [\n                    \"squid\"\n                ]\n            },\n            {\n                \"unified\": \"1F40C\",\n                \"shortnames\": [\n                    \"snail\"\n                ]\n            },\n            {\n                \"unified\": \"1F98B\",\n                \"shortnames\": [\n                    \"butterfly\"\n                ]\n            },\n            {\n                \"unified\": \"1F41B\",\n                \"shortnames\": [\n        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\"shortnames\": [\n                    \"shamrock\"\n                ]\n            },\n            {\n                \"unified\": \"1F340\",\n                \"shortnames\": [\n                    \"four_leaf_clover\"\n                ]\n            },\n            {\n                \"unified\": \"1F341\",\n                \"shortnames\": [\n                    \"maple_leaf\"\n                ]\n            },\n            {\n                \"unified\": \"1F342\",\n                \"shortnames\": [\n                    \"fallen_leaf\"\n                ]\n            },\n            {\n                \"unified\": \"1F343\",\n                \"shortnames\": [\n                    \"leaves\"\n                ]\n            }\n        ]\n    },\n    {\n        \"name\": \"Food & Drink\",\n        \"emojis\": [\n            {\n                \"unified\": \"1F347\",\n                \"shortnames\": [\n                    \"grapes\"\n                ]\n            },\n            {\n    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]\n            },\n            {\n                \"unified\": \"1F4F0\",\n                \"shortnames\": [\n                    \"newspaper\"\n                ]\n            },\n            {\n                \"unified\": \"1F5DE-FE0F\",\n                \"shortnames\": [\n                    \"rolled_up_newspaper\"\n                ]\n            },\n            {\n                \"unified\": \"1F4D1\",\n                \"shortnames\": [\n                    \"bookmark_tabs\"\n                ]\n            },\n            {\n                \"unified\": \"1F516\",\n                \"shortnames\": [\n                    \"bookmark\"\n                ]\n            },\n            {\n                \"unified\": \"1F3F7-FE0F\",\n                \"shortnames\": [\n                    \"label\"\n                ]\n            },\n            {\n                \"unified\": \"1F4B0\",\n                \"shortnames\": [\n                    \"moneybag\"\n                ]\n            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{\n                \"unified\": \"1F3E7\",\n                \"shortnames\": [\n                    \"atm\"\n                ]\n            },\n            {\n                \"unified\": \"1F6AE\",\n                \"shortnames\": [\n                    \"put_litter_in_its_place\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B0\",\n                \"shortnames\": [\n                    \"potable_water\"\n                ]\n            },\n            {\n                \"unified\": \"267F\",\n                \"shortnames\": [\n                    \"wheelchair\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B9\",\n                \"shortnames\": [\n                    \"mens\"\n                ]\n            },\n            {\n                \"unified\": \"1F6BA\",\n                \"shortnames\": [\n                    \"womens\"\n                ]\n            },\n            {\n                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\"twisted_rightwards_arrows\"\n                ]\n            },\n            {\n                \"unified\": \"1F501\",\n                \"shortnames\": [\n                    \"repeat\"\n                ]\n            },\n            {\n                \"unified\": \"1F502\",\n                \"shortnames\": [\n                    \"repeat_one\"\n                ]\n            },\n            {\n                \"unified\": \"25B6-FE0F\",\n                \"shortnames\": [\n                    \"arrow_forward\"\n                ]\n            },\n            {\n                \"unified\": \"23E9\",\n                \"shortnames\": [\n                    \"fast_forward\"\n                ]\n            },\n            {\n                \"unified\": \"23ED-FE0F\",\n                \"shortnames\": [\n                    \"black_right_pointing_double_triangle_with_vertical_bar\"\n                ]\n            },\n            {\n                \"unified\": \"23EF-FE0F\",\n             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\"1F1F9-1F1F2\",\n                \"shortnames\": [\n                    \"flag-tm\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1F3\",\n                \"shortnames\": [\n                    \"flag-tn\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1F4\",\n                \"shortnames\": [\n                    \"flag-to\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1F7\",\n                \"shortnames\": [\n                    \"flag-tr\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1F9\",\n                \"shortnames\": [\n                    \"flag-tt\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1FB\",\n                \"shortnames\": [\n                    \"flag-tv\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1FC\",\n                \"shortnames\": [\n                    \"flag-tw\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1FF\",\n                \"shortnames\": [\n                    \"flag-tz\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1E6\",\n                \"shortnames\": [\n                    \"flag-ua\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1EC\",\n                \"shortnames\": [\n                    \"flag-ug\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1F2\",\n                \"shortnames\": [\n                    \"flag-um\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1F3\",\n                \"shortnames\": [\n                    \"flag-un\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1F8\",\n                \"shortnames\": [\n                    \"us\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1FE\",\n                \"shortnames\": [\n                    \"flag-uy\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1FF\",\n                \"shortnames\": [\n                    \"flag-uz\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1E6\",\n                \"shortnames\": [\n                    \"flag-va\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1E8\",\n                \"shortnames\": [\n                    \"flag-vc\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1EA\",\n                \"shortnames\": [\n                    \"flag-ve\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1EC\",\n                \"shortnames\": [\n                    \"flag-vg\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1EE\",\n                \"shortnames\": [\n                    \"flag-vi\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1F3\",\n                \"shortnames\": [\n                    \"flag-vn\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1FA\",\n                \"shortnames\": [\n                    \"flag-vu\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FC-1F1EB\",\n                \"shortnames\": [\n                    \"flag-wf\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FC-1F1F8\",\n                \"shortnames\": [\n                    \"flag-ws\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FD-1F1F0\",\n                \"shortnames\": [\n                    \"flag-xk\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FE-1F1EA\",\n                \"shortnames\": [\n                    \"flag-ye\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FE-1F1F9\",\n                \"shortnames\": [\n                    \"flag-yt\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FF-1F1E6\",\n                \"shortnames\": [\n                    \"flag-za\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FF-1F1F2\",\n                \"shortnames\": [\n                    \"flag-zm\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FF-1F1FC\",\n                \"shortnames\": [\n                    \"flag-zw\"\n                ]\n            },\n            {\n                \"unified\": \"1F3F4-E0067-E0062-E0065-E006E-E0067-E007F\",\n                \"shortnames\": [\n                    \"flag-england\"\n                ]\n            },\n            {\n                \"unified\": \"1F3F4-E0067-E0062-E0073-E0063-E0074-E007F\",\n                \"shortnames\": [\n                    \"flag-scotland\"\n                ]\n            },\n            {\n                \"unified\": \"1F3F4-E0067-E0062-E0077-E006C-E0073-E007F\",\n                \"shortnames\": [\n                    \"flag-wales\"\n                ]\n            }\n        ]\n    }\n];\n\nexport const byShortName = {\n    \"hash\": \"0023-FE0F-20E3\",\n    \"keycap_star\": \"002A-FE0F-20E3\",\n    \"zero\": \"0030-FE0F-20E3\",\n    \"one\": \"0031-FE0F-20E3\",\n    \"two\": \"0032-FE0F-20E3\",\n    \"three\": \"0033-FE0F-20E3\",\n    \"four\": \"0034-FE0F-20E3\",\n    \"five\": \"0035-FE0F-20E3\",\n    \"six\": \"0036-FE0F-20E3\",\n    \"seven\": \"0037-FE0F-20E3\",\n    \"eight\": \"0038-FE0F-20E3\",\n    \"nine\": \"0039-FE0F-20E3\",\n    \"copyright\": \"00A9-FE0F\",\n    \"registered\": \"00AE-FE0F\",\n    \"mahjong\": \"1F004\",\n    \"black_joker\": \"1F0CF\",\n    \"a\": \"1F170-FE0F\",\n    \"b\": \"1F171-FE0F\",\n    \"o2\": \"1F17E-FE0F\",\n    \"parking\": \"1F17F-FE0F\",\n    \"ab\": \"1F18E\",\n    \"cl\": \"1F191\",\n    \"cool\": \"1F192\",\n    \"free\": \"1F193\",\n    \"id\": \"1F194\",\n    \"new\": \"1F195\",\n    \"ng\": \"1F196\",\n    \"ok\": \"1F197\",\n    \"sos\": \"1F198\",\n    \"up\": \"1F199\",\n    \"vs\": \"1F19A\",\n    \"flag-ac\": \"1F1E6-1F1E8\",\n    \"flag-ad\": \"1F1E6-1F1E9\",\n    \"flag-ae\": \"1F1E6-1F1EA\",\n    \"flag-af\": \"1F1E6-1F1EB\",\n    \"flag-ag\": \"1F1E6-1F1EC\",\n    \"flag-ai\": \"1F1E6-1F1EE\",\n    \"flag-al\": \"1F1E6-1F1F1\",\n    \"flag-am\": \"1F1E6-1F1F2\",\n    \"flag-ao\": \"1F1E6-1F1F4\",\n    \"flag-aq\": \"1F1E6-1F1F6\",\n    \"flag-ar\": \"1F1E6-1F1F7\",\n    \"flag-as\": \"1F1E6-1F1F8\",\n    \"flag-at\": \"1F1E6-1F1F9\",\n    \"flag-au\": \"1F1E6-1F1FA\",\n    \"flag-aw\": \"1F1E6-1F1FC\",\n    \"flag-ax\": \"1F1E6-1F1FD\",\n    \"flag-az\": \"1F1E6-1F1FF\",\n    \"flag-ba\": \"1F1E7-1F1E6\",\n    \"flag-bb\": \"1F1E7-1F1E7\",\n    \"flag-bd\": \"1F1E7-1F1E9\",\n    \"flag-be\": \"1F1E7-1F1EA\",\n    \"flag-bf\": \"1F1E7-1F1EB\",\n    \"flag-bg\": \"1F1E7-1F1EC\",\n    \"flag-bh\": \"1F1E7-1F1ED\",\n    \"flag-bi\": \"1F1E7-1F1EE\",\n    \"flag-bj\": \"1F1E7-1F1EF\",\n    \"flag-bl\": \"1F1E7-1F1F1\",\n    \"flag-bm\": \"1F1E7-1F1F2\",\n    \"flag-bn\": \"1F1E7-1F1F3\",\n    \"flag-bo\": \"1F1E7-1F1F4\",\n    \"flag-bq\": \"1F1E7-1F1F6\",\n    \"flag-br\": \"1F1E7-1F1F7\",\n    \"flag-bs\": \"1F1E7-1F1F8\",\n    \"flag-bt\": \"1F1E7-1F1F9\",\n    \"flag-bv\": \"1F1E7-1F1FB\",\n    \"flag-bw\": \"1F1E7-1F1FC\",\n    \"flag-by\": \"1F1E7-1F1FE\",\n    \"flag-bz\": \"1F1E7-1F1FF\",\n    \"flag-ca\": \"1F1E8-1F1E6\",\n    \"flag-cc\": \"1F1E8-1F1E8\",\n    \"flag-cd\": \"1F1E8-1F1E9\",\n    \"flag-cf\": \"1F1E8-1F1EB\",\n    \"flag-cg\": \"1F1E8-1F1EC\",\n    \"flag-ch\": \"1F1E8-1F1ED\",\n    \"flag-ci\": \"1F1E8-1F1EE\",\n    \"flag-ck\": \"1F1E8-1F1F0\",\n    \"flag-cl\": \"1F1E8-1F1F1\",\n    \"flag-cm\": \"1F1E8-1F1F2\",\n    \"cn\": \"1F1E8-1F1F3\",\n    \"flag-co\": \"1F1E8-1F1F4\",\n    \"flag-cp\": \"1F1E8-1F1F5\",\n    \"flag-cr\": \"1F1E8-1F1F7\",\n    \"flag-cu\": \"1F1E8-1F1FA\",\n    \"flag-cv\": \"1F1E8-1F1FB\",\n    \"flag-cw\": \"1F1E8-1F1FC\",\n    \"flag-cx\": \"1F1E8-1F1FD\",\n    \"flag-cy\": \"1F1E8-1F1FE\",\n    \"flag-cz\": \"1F1E8-1F1FF\",\n    \"de\": \"1F1E9-1F1EA\",\n    \"flag-dg\": \"1F1E9-1F1EC\",\n    \"flag-dj\": \"1F1E9-1F1EF\",\n    \"flag-dk\": \"1F1E9-1F1F0\",\n    \"flag-dm\": \"1F1E9-1F1F2\",\n    \"flag-do\": \"1F1E9-1F1F4\",\n    \"flag-dz\": \"1F1E9-1F1FF\",\n    \"flag-ea\": \"1F1EA-1F1E6\",\n    \"flag-ec\": \"1F1EA-1F1E8\",\n    \"flag-ee\": \"1F1EA-1F1EA\",\n    \"flag-eg\": \"1F1EA-1F1EC\",\n    \"flag-eh\": \"1F1EA-1F1ED\",\n    \"flag-er\": \"1F1EA-1F1F7\",\n    \"es\": \"1F1EA-1F1F8\",\n    \"flag-et\": \"1F1EA-1F1F9\",\n    \"flag-eu\": \"1F1EA-1F1FA\",\n    \"flag-fi\": \"1F1EB-1F1EE\",\n    \"flag-fj\": \"1F1EB-1F1EF\",\n    \"flag-fk\": \"1F1EB-1F1F0\",\n    \"flag-fm\": \"1F1EB-1F1F2\",\n    \"flag-fo\": \"1F1EB-1F1F4\",\n    \"fr\": \"1F1EB-1F1F7\",\n    \"flag-ga\": \"1F1EC-1F1E6\",\n    \"gb\": \"1F1EC-1F1E7\",\n    \"flag-gd\": \"1F1EC-1F1E9\",\n    \"flag-ge\": \"1F1EC-1F1EA\",\n    \"flag-gf\": \"1F1EC-1F1EB\",\n    \"flag-gg\": \"1F1EC-1F1EC\",\n    \"flag-gh\": \"1F1EC-1F1ED\",\n    \"flag-gi\": \"1F1EC-1F1EE\",\n    \"flag-gl\": \"1F1EC-1F1F1\",\n    \"flag-gm\": \"1F1EC-1F1F2\",\n    \"flag-gn\": \"1F1EC-1F1F3\",\n    \"flag-gp\": \"1F1EC-1F1F5\",\n    \"flag-gq\": \"1F1EC-1F1F6\",\n    \"flag-gr\": \"1F1EC-1F1F7\",\n    \"flag-gs\": \"1F1EC-1F1F8\",\n    \"flag-gt\": \"1F1EC-1F1F9\",\n    \"flag-gu\": \"1F1EC-1F1FA\",\n    \"flag-gw\": \"1F1EC-1F1FC\",\n    \"flag-gy\": \"1F1EC-1F1FE\",\n    \"flag-hk\": \"1F1ED-1F1F0\",\n    \"flag-hm\": \"1F1ED-1F1F2\",\n    \"flag-hn\": \"1F1ED-1F1F3\",\n    \"flag-hr\": \"1F1ED-1F1F7\",\n    \"flag-ht\": \"1F1ED-1F1F9\",\n    \"flag-hu\": \"1F1ED-1F1FA\",\n    \"flag-ic\": \"1F1EE-1F1E8\",\n    \"flag-id\": \"1F1EE-1F1E9\",\n    \"flag-ie\": \"1F1EE-1F1EA\",\n    \"flag-il\": \"1F1EE-1F1F1\",\n    \"flag-im\": \"1F1EE-1F1F2\",\n    \"flag-in\": \"1F1EE-1F1F3\",\n    \"flag-io\": \"1F1EE-1F1F4\",\n    \"flag-iq\": \"1F1EE-1F1F6\",\n    \"flag-ir\": \"1F1EE-1F1F7\",\n    \"flag-is\": \"1F1EE-1F1F8\",\n    \"it\": \"1F1EE-1F1F9\",\n    \"flag-je\": \"1F1EF-1F1EA\",\n    \"flag-jm\": \"1F1EF-1F1F2\",\n    \"flag-jo\": \"1F1EF-1F1F4\",\n    \"jp\": \"1F1EF-1F1F5\",\n    \"flag-ke\": \"1F1F0-1F1EA\",\n    \"flag-kg\": \"1F1F0-1F1EC\",\n    \"flag-kh\": \"1F1F0-1F1ED\",\n    \"flag-ki\": \"1F1F0-1F1EE\",\n    \"flag-km\": \"1F1F0-1F1F2\",\n    \"flag-kn\": \"1F1F0-1F1F3\",\n    \"flag-kp\": \"1F1F0-1F1F5\",\n    \"kr\": \"1F1F0-1F1F7\",\n    \"flag-kw\": \"1F1F0-1F1FC\",\n    \"flag-ky\": \"1F1F0-1F1FE\",\n    \"flag-kz\": \"1F1F0-1F1FF\",\n    \"flag-la\": \"1F1F1-1F1E6\",\n    \"flag-lb\": \"1F1F1-1F1E7\",\n    \"flag-lc\": \"1F1F1-1F1E8\",\n    \"flag-li\": \"1F1F1-1F1EE\",\n    \"flag-lk\": \"1F1F1-1F1F0\",\n    \"flag-lr\": \"1F1F1-1F1F7\",\n    \"flag-ls\": \"1F1F1-1F1F8\",\n    \"flag-lt\": \"1F1F1-1F1F9\",\n    \"flag-lu\": \"1F1F1-1F1FA\",\n    \"flag-lv\": \"1F1F1-1F1FB\",\n    \"flag-ly\": \"1F1F1-1F1FE\",\n    \"flag-ma\": \"1F1F2-1F1E6\",\n    \"flag-mc\": \"1F1F2-1F1E8\",\n    \"flag-md\": \"1F1F2-1F1E9\",\n    \"flag-me\": \"1F1F2-1F1EA\",\n    \"flag-mf\": \"1F1F2-1F1EB\",\n    \"flag-mg\": \"1F1F2-1F1EC\",\n    \"flag-mh\": \"1F1F2-1F1ED\",\n    \"flag-mk\": \"1F1F2-1F1F0\",\n    \"flag-ml\": \"1F1F2-1F1F1\",\n    \"flag-mm\": \"1F1F2-1F1F2\",\n    \"flag-mn\": \"1F1F2-1F1F3\",\n    \"flag-mo\": \"1F1F2-1F1F4\",\n    \"flag-mp\": \"1F1F2-1F1F5\",\n    \"flag-mq\": \"1F1F2-1F1F6\",\n    \"flag-mr\": \"1F1F2-1F1F7\",\n    \"flag-ms\": \"1F1F2-1F1F8\",\n    \"flag-mt\": \"1F1F2-1F1F9\",\n    \"flag-mu\": \"1F1F2-1F1FA\",\n    \"flag-mv\": \"1F1F2-1F1FB\",\n    \"flag-mw\": \"1F1F2-1F1FC\",\n    \"flag-mx\": \"1F1F2-1F1FD\",\n    \"flag-my\": \"1F1F2-1F1FE\",\n    \"flag-mz\": \"1F1F2-1F1FF\",\n    \"flag-na\": \"1F1F3-1F1E6\",\n    \"flag-nc\": \"1F1F3-1F1E8\",\n    \"flag-ne\": \"1F1F3-1F1EA\",\n    \"flag-nf\": \"1F1F3-1F1EB\",\n    \"flag-ng\": \"1F1F3-1F1EC\",\n    \"flag-ni\": \"1F1F3-1F1EE\",\n    \"flag-nl\": \"1F1F3-1F1F1\",\n    \"flag-no\": \"1F1F3-1F1F4\",\n    \"flag-np\": \"1F1F3-1F1F5\",\n    \"flag-nr\": \"1F1F3-1F1F7\",\n    \"flag-nu\": \"1F1F3-1F1FA\",\n    \"flag-nz\": \"1F1F3-1F1FF\",\n    \"flag-om\": \"1F1F4-1F1F2\",\n    \"flag-pa\": \"1F1F5-1F1E6\",\n    \"flag-pe\": \"1F1F5-1F1EA\",\n    \"flag-pf\": \"1F1F5-1F1EB\",\n    \"flag-pg\": \"1F1F5-1F1EC\",\n    \"flag-ph\": \"1F1F5-1F1ED\",\n    \"flag-pk\": \"1F1F5-1F1F0\",\n    \"flag-pl\": \"1F1F5-1F1F1\",\n    \"flag-pm\": \"1F1F5-1F1F2\",\n    \"flag-pn\": \"1F1F5-1F1F3\",\n    \"flag-pr\": \"1F1F5-1F1F7\",\n    \"flag-ps\": \"1F1F5-1F1F8\",\n    \"flag-pt\": \"1F1F5-1F1F9\",\n    \"flag-pw\": \"1F1F5-1F1FC\",\n    \"flag-py\": \"1F1F5-1F1FE\",\n    \"flag-qa\": \"1F1F6-1F1E6\",\n    \"flag-re\": \"1F1F7-1F1EA\",\n    \"flag-ro\": \"1F1F7-1F1F4\",\n    \"flag-rs\": \"1F1F7-1F1F8\",\n    \"ru\": \"1F1F7-1F1FA\",\n    \"flag-rw\": \"1F1F7-1F1FC\",\n    \"flag-sa\": \"1F1F8-1F1E6\",\n    \"flag-sb\": \"1F1F8-1F1E7\",\n    \"flag-sc\": \"1F1F8-1F1E8\",\n    \"flag-sd\": \"1F1F8-1F1E9\",\n    \"flag-se\": \"1F1F8-1F1EA\",\n    \"flag-sg\": \"1F1F8-1F1EC\",\n    \"flag-sh\": \"1F1F8-1F1ED\",\n    \"flag-si\": \"1F1F8-1F1EE\",\n    \"flag-sj\": \"1F1F8-1F1EF\",\n    \"flag-sk\": \"1F1F8-1F1F0\",\n    \"flag-sl\": \"1F1F8-1F1F1\",\n    \"flag-sm\": \"1F1F8-1F1F2\",\n    \"flag-sn\": \"1F1F8-1F1F3\",\n    \"flag-so\": \"1F1F8-1F1F4\",\n    \"flag-sr\": \"1F1F8-1F1F7\",\n    \"flag-ss\": \"1F1F8-1F1F8\",\n    \"flag-st\": \"1F1F8-1F1F9\",\n    \"flag-sv\": \"1F1F8-1F1FB\",\n    \"flag-sx\": \"1F1F8-1F1FD\",\n    \"flag-sy\": \"1F1F8-1F1FE\",\n    \"flag-sz\": \"1F1F8-1F1FF\",\n    \"flag-ta\": \"1F1F9-1F1E6\",\n    \"flag-tc\": \"1F1F9-1F1E8\",\n    \"flag-td\": \"1F1F9-1F1E9\",\n    \"flag-tf\": \"1F1F9-1F1EB\",\n    \"flag-tg\": \"1F1F9-1F1EC\",\n    \"flag-th\": \"1F1F9-1F1ED\",\n    \"flag-tj\": \"1F1F9-1F1EF\",\n    \"flag-tk\": \"1F1F9-1F1F0\",\n    \"flag-tl\": \"1F1F9-1F1F1\",\n    \"flag-tm\": \"1F1F9-1F1F2\",\n    \"flag-tn\": \"1F1F9-1F1F3\",\n    \"flag-to\": \"1F1F9-1F1F4\",\n    \"flag-tr\": \"1F1F9-1F1F7\",\n    \"flag-tt\": \"1F1F9-1F1F9\",\n    \"flag-tv\": \"1F1F9-1F1FB\",\n    \"flag-tw\": \"1F1F9-1F1FC\",\n    \"flag-tz\": \"1F1F9-1F1FF\",\n    \"flag-ua\": \"1F1FA-1F1E6\",\n    \"flag-ug\": \"1F1FA-1F1EC\",\n    \"flag-um\": \"1F1FA-1F1F2\",\n    \"flag-un\": \"1F1FA-1F1F3\",\n    \"us\": \"1F1FA-1F1F8\",\n    \"flag-uy\": \"1F1FA-1F1FE\",\n    \"flag-uz\": \"1F1FA-1F1FF\",\n    \"flag-va\": \"1F1FB-1F1E6\",\n    \"flag-vc\": \"1F1FB-1F1E8\",\n    \"flag-ve\": \"1F1FB-1F1EA\",\n    \"flag-vg\": \"1F1FB-1F1EC\",\n    \"flag-vi\": \"1F1FB-1F1EE\",\n    \"flag-vn\": \"1F1FB-1F1F3\",\n    \"flag-vu\": \"1F1FB-1F1FA\",\n    \"flag-wf\": \"1F1FC-1F1EB\",\n    \"flag-ws\": \"1F1FC-1F1F8\",\n    \"flag-xk\": \"1F1FD-1F1F0\",\n    \"flag-ye\": \"1F1FE-1F1EA\",\n    \"flag-yt\": \"1F1FE-1F1F9\",\n    \"flag-za\": \"1F1FF-1F1E6\",\n    \"flag-zm\": \"1F1FF-1F1F2\",\n    \"flag-zw\": \"1F1FF-1F1FC\",\n    \"koko\": \"1F201\",\n    \"sa\": \"1F202-FE0F\",\n    \"u7121\": \"1F21A\",\n    \"u6307\": \"1F22F\",\n    \"u7981\": \"1F232\",\n    \"u7a7a\": \"1F233\",\n    \"u5408\": \"1F234\",\n    \"u6e80\": \"1F235\",\n    \"u6709\": \"1F236\",\n    \"u6708\": \"1F237-FE0F\",\n    \"u7533\": \"1F238\",\n    \"u5272\": \"1F239\",\n    \"u55b6\": \"1F23A\",\n    \"ideograph_advantage\": \"1F250\",\n    \"accept\": \"1F251\",\n    \"cyclone\": \"1F300\",\n    \"foggy\": \"1F301\",\n    \"closed_umbrella\": \"1F302\",\n    \"night_with_stars\": \"1F303\",\n    \"sunrise_over_mountains\": \"1F304\",\n    \"sunrise\": \"1F305\",\n    \"city_sunset\": \"1F306\",\n    \"city_sunrise\": \"1F307\",\n    \"rainbow\": \"1F308\",\n    \"bridge_at_night\": \"1F309\",\n    \"ocean\": \"1F30A\",\n    \"volcano\": \"1F30B\",\n    \"milky_way\": \"1F30C\",\n    \"earth_africa\": \"1F30D\",\n    \"earth_americas\": \"1F30E\",\n    \"earth_asia\": \"1F30F\",\n    \"globe_with_meridians\": \"1F310\",\n    \"new_moon\": \"1F311\",\n    \"waxing_crescent_moon\": \"1F312\",\n    \"first_quarter_moon\": \"1F313\",\n    \"moon\": \"1F314\",\n    \"full_moon\": \"1F315\",\n    \"waning_gibbous_moon\": \"1F316\",\n    \"last_quarter_moon\": \"1F317\",\n    \"waning_crescent_moon\": \"1F318\",\n    \"crescent_moon\": \"1F319\",\n    \"new_moon_with_face\": \"1F31A\",\n    \"first_quarter_moon_with_face\": \"1F31B\",\n    \"last_quarter_moon_with_face\": \"1F31C\",\n    \"full_moon_with_face\": \"1F31D\",\n    \"sun_with_face\": \"1F31E\",\n    \"star2\": \"1F31F\",\n    \"stars\": \"1F320\",\n    \"thermometer\": \"1F321-FE0F\",\n    \"mostly_sunny\": \"1F324-FE0F\",\n    \"barely_sunny\": \"1F325-FE0F\",\n    \"partly_sunny_rain\": \"1F326-FE0F\",\n    \"rain_cloud\": \"1F327-FE0F\",\n    \"snow_cloud\": \"1F328-FE0F\",\n    \"lightning\": \"1F329-FE0F\",\n    \"tornado\": \"1F32A-FE0F\",\n    \"fog\": \"1F32B-FE0F\",\n    \"wind_blowing_face\": \"1F32C-FE0F\",\n    \"hotdog\": \"1F32D\",\n    \"taco\": \"1F32E\",\n    \"burrito\": \"1F32F\",\n    \"chestnut\": \"1F330\",\n    \"seedling\": \"1F331\",\n    \"evergreen_tree\": \"1F332\",\n    \"deciduous_tree\": \"1F333\",\n    \"palm_tree\": \"1F334\",\n    \"cactus\": \"1F335\",\n    \"hot_pepper\": \"1F336-FE0F\",\n    \"tulip\": \"1F337\",\n    \"cherry_blossom\": \"1F338\",\n    \"rose\": \"1F339\",\n    \"hibiscus\": \"1F33A\",\n    \"sunflower\": \"1F33B\",\n    \"blossom\": \"1F33C\",\n    \"corn\": \"1F33D\",\n    \"ear_of_rice\": \"1F33E\",\n    \"herb\": \"1F33F\",\n    \"four_leaf_clover\": \"1F340\",\n    \"maple_leaf\": \"1F341\",\n    \"fallen_leaf\": \"1F342\",\n    \"leaves\": \"1F343\",\n    \"mushroom\": \"1F344\",\n    \"tomato\": \"1F345\",\n    \"eggplant\": \"1F346\",\n    \"grapes\": \"1F347\",\n    \"melon\": \"1F348\",\n    \"watermelon\": \"1F349\",\n    \"tangerine\": \"1F34A\",\n    \"lemon\": \"1F34B\",\n    \"banana\": \"1F34C\",\n    \"pineapple\": \"1F34D\",\n    \"apple\": \"1F34E\",\n    \"green_apple\": \"1F34F\",\n    \"pear\": \"1F350\",\n    \"peach\": \"1F351\",\n    \"cherries\": \"1F352\",\n    \"strawberry\": \"1F353\",\n    \"hamburger\": \"1F354\",\n    \"pizza\": \"1F355\",\n    \"meat_on_bone\": \"1F356\",\n    \"poultry_leg\": \"1F357\",\n    \"rice_cracker\": \"1F358\",\n    \"rice_ball\": \"1F359\",\n    \"rice\": \"1F35A\",\n    \"curry\": \"1F35B\",\n    \"ramen\": \"1F35C\",\n    \"spaghetti\": \"1F35D\",\n    \"bread\": \"1F35E\",\n    \"fries\": \"1F35F\",\n    \"sweet_potato\": \"1F360\",\n    \"dango\": \"1F361\",\n    \"oden\": \"1F362\",\n    \"sushi\": \"1F363\",\n    \"fried_shrimp\": \"1F364\",\n    \"fish_cake\": \"1F365\",\n    \"icecream\": \"1F366\",\n    \"shaved_ice\": \"1F367\",\n    \"ice_cream\": \"1F368\",\n    \"doughnut\": \"1F369\",\n    \"cookie\": \"1F36A\",\n    \"chocolate_bar\": \"1F36B\",\n    \"candy\": \"1F36C\",\n    \"lollipop\": \"1F36D\",\n    \"custard\": \"1F36E\",\n    \"honey_pot\": \"1F36F\",\n    \"cake\": \"1F370\",\n    \"bento\": \"1F371\",\n    \"stew\": \"1F372\",\n    \"fried_egg\": \"1F373\",\n    \"fork_and_knife\": \"1F374\",\n    \"tea\": \"1F375\",\n    \"sake\": \"1F376\",\n    \"wine_glass\": \"1F377\",\n    \"cocktail\": \"1F378\",\n    \"tropical_drink\": \"1F379\",\n    \"beer\": \"1F37A\",\n    \"beers\": \"1F37B\",\n    \"baby_bottle\": \"1F37C\",\n    \"knife_fork_plate\": 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  \"basketball\": \"1F3C0\",\n    \"checkered_flag\": \"1F3C1\",\n    \"snowboarder\": \"1F3C2\",\n    \"woman-running\": \"1F3C3-200D-2640-FE0F\",\n    \"man-running\": \"1F3C3-200D-2642-FE0F\",\n    \"runner\": \"1F3C3-200D-2642-FE0F\",\n    \"woman-surfing\": \"1F3C4-200D-2640-FE0F\",\n    \"man-surfing\": \"1F3C4-200D-2642-FE0F\",\n    \"surfer\": \"1F3C4-200D-2642-FE0F\",\n    \"sports_medal\": \"1F3C5\",\n    \"trophy\": \"1F3C6\",\n    \"horse_racing\": \"1F3C7\",\n    \"football\": \"1F3C8\",\n    \"rugby_football\": \"1F3C9\",\n    \"woman-swimming\": \"1F3CA-200D-2640-FE0F\",\n    \"man-swimming\": \"1F3CA-200D-2642-FE0F\",\n    \"swimmer\": \"1F3CA-200D-2642-FE0F\",\n    \"woman-lifting-weights\": \"1F3CB-FE0F-200D-2640-FE0F\",\n    \"man-lifting-weights\": \"1F3CB-FE0F-200D-2642-FE0F\",\n    \"weight_lifter\": \"1F3CB-FE0F-200D-2642-FE0F\",\n    \"woman-golfing\": \"1F3CC-FE0F-200D-2640-FE0F\",\n    \"man-golfing\": \"1F3CC-FE0F-200D-2642-FE0F\",\n    \"golfer\": \"1F3CC-FE0F-200D-2642-FE0F\",\n    \"racing_motorcycle\": \"1F3CD-FE0F\",\n    \"racing_car\": \"1F3CE-FE0F\",\n    \"cricket_bat_and_ball\": \"1F3CF\",\n    \"volleyball\": \"1F3D0\",\n    \"field_hockey_stick_and_ball\": \"1F3D1\",\n    \"ice_hockey_stick_and_puck\": \"1F3D2\",\n    \"table_tennis_paddle_and_ball\": \"1F3D3\",\n    \"snow_capped_mountain\": \"1F3D4-FE0F\",\n    \"camping\": \"1F3D5-FE0F\",\n    \"beach_with_umbrella\": \"1F3D6-FE0F\",\n    \"building_construction\": \"1F3D7-FE0F\",\n    \"house_buildings\": \"1F3D8-FE0F\",\n    \"cityscape\": \"1F3D9-FE0F\",\n    \"derelict_house_building\": \"1F3DA-FE0F\",\n    \"classical_building\": \"1F3DB-FE0F\",\n    \"desert\": \"1F3DC-FE0F\",\n    \"desert_island\": \"1F3DD-FE0F\",\n    \"national_park\": \"1F3DE-FE0F\",\n    \"stadium\": \"1F3DF-FE0F\",\n    \"house\": \"1F3E0\",\n    \"house_with_garden\": \"1F3E1\",\n    \"office\": \"1F3E2\",\n    \"post_office\": \"1F3E3\",\n    \"european_post_office\": \"1F3E4\",\n    \"hospital\": \"1F3E5\",\n    \"bank\": \"1F3E6\",\n    \"atm\": \"1F3E7\",\n    \"hotel\": \"1F3E8\",\n    \"love_hotel\": \"1F3E9\",\n    \"convenience_store\": \"1F3EA\",\n    \"school\": \"1F3EB\",\n    \"department_store\": \"1F3EC\",\n    \"factory\": \"1F3ED\",\n    \"izakaya_lantern\": \"1F3EE\",\n    \"japanese_castle\": \"1F3EF\",\n    \"european_castle\": \"1F3F0\",\n    \"rainbow-flag\": \"1F3F3-FE0F-200D-1F308\",\n    \"waving_white_flag\": \"1F3F3-FE0F\",\n    \"flag-england\": \"1F3F4-E0067-E0062-E0065-E006E-E0067-E007F\",\n    \"flag-scotland\": \"1F3F4-E0067-E0062-E0073-E0063-E0074-E007F\",\n    \"flag-wales\": \"1F3F4-E0067-E0062-E0077-E006C-E0073-E007F\",\n    \"waving_black_flag\": \"1F3F4\",\n    \"rosette\": \"1F3F5-FE0F\",\n    \"label\": \"1F3F7-FE0F\",\n    \"badminton_racquet_and_shuttlecock\": \"1F3F8\",\n    \"bow_and_arrow\": \"1F3F9\",\n    \"amphora\": \"1F3FA\",\n    \"skin-tone-2\": \"1F3FB\",\n    \"skin-tone-3\": \"1F3FC\",\n    \"skin-tone-4\": \"1F3FD\",\n    \"skin-tone-5\": \"1F3FE\",\n    \"skin-tone-6\": \"1F3FF\",\n    \"rat\": \"1F400\",\n    \"mouse2\": \"1F401\",\n    \"ox\": \"1F402\",\n    \"water_buffalo\": \"1F403\",\n    \"cow2\": \"1F404\",\n    \"tiger2\": \"1F405\",\n    \"leopard\": \"1F406\",\n    \"rabbit2\": \"1F407\",\n    \"cat2\": \"1F408\",\n    \"dragon\": \"1F409\",\n    \"crocodile\": \"1F40A\",\n    \"whale2\": \"1F40B\",\n    \"snail\": \"1F40C\",\n    \"snake\": \"1F40D\",\n    \"racehorse\": \"1F40E\",\n    \"ram\": \"1F40F\",\n    \"goat\": \"1F410\",\n    \"sheep\": \"1F411\",\n    \"monkey\": \"1F412\",\n    \"rooster\": \"1F413\",\n    \"chicken\": \"1F414\",\n    \"dog2\": \"1F415\",\n    \"pig2\": \"1F416\",\n    \"boar\": \"1F417\",\n    \"elephant\": \"1F418\",\n    \"octopus\": \"1F419\",\n    \"shell\": \"1F41A\",\n    \"bug\": \"1F41B\",\n    \"ant\": \"1F41C\",\n    \"bee\": \"1F41D\",\n    \"beetle\": \"1F41E\",\n    \"fish\": \"1F41F\",\n    \"tropical_fish\": \"1F420\",\n    \"blowfish\": \"1F421\",\n    \"turtle\": \"1F422\",\n    \"hatching_chick\": \"1F423\",\n    \"baby_chick\": \"1F424\",\n    \"hatched_chick\": \"1F425\",\n    \"bird\": \"1F426\",\n    \"penguin\": \"1F427\",\n    \"koala\": \"1F428\",\n    \"poodle\": \"1F429\",\n    \"dromedary_camel\": \"1F42A\",\n    \"camel\": \"1F42B\",\n    \"dolphin\": \"1F42C\",\n    \"mouse\": \"1F42D\",\n    \"cow\": \"1F42E\",\n    \"tiger\": \"1F42F\",\n    \"rabbit\": \"1F430\",\n    \"cat\": \"1F431\",\n    \"dragon_face\": \"1F432\",\n    \"whale\": \"1F433\",\n    \"horse\": \"1F434\",\n    \"monkey_face\": \"1F435\",\n    \"dog\": \"1F436\",\n    \"pig\": \"1F437\",\n    \"frog\": \"1F438\",\n    \"hamster\": \"1F439\",\n    \"wolf\": \"1F43A\",\n    \"bear\": \"1F43B\",\n    \"panda_face\": \"1F43C\",\n    \"pig_nose\": \"1F43D\",\n    \"feet\": \"1F43E\",\n    \"chipmunk\": \"1F43F-FE0F\",\n    \"eyes\": \"1F440\",\n    \"eye-in-speech-bubble\": \"1F441-FE0F-200D-1F5E8-FE0F\",\n    \"eye\": \"1F441-FE0F\",\n    \"ear\": \"1F442\",\n    \"nose\": \"1F443\",\n    \"lips\": \"1F444\",\n    \"tongue\": \"1F445\",\n    \"point_up_2\": \"1F446\",\n    \"point_down\": \"1F447\",\n    \"point_left\": \"1F448\",\n    \"point_right\": \"1F449\",\n    \"facepunch\": \"1F44A\",\n    \"wave\": \"1F44B\",\n    \"ok_hand\": \"1F44C\",\n    \"+1\": \"1F44D\",\n    \"-1\": \"1F44E\",\n    \"clap\": \"1F44F\",\n    \"open_hands\": \"1F450\",\n    \"crown\": \"1F451\",\n    \"womans_hat\": \"1F452\",\n    \"eyeglasses\": \"1F453\",\n    \"necktie\": \"1F454\",\n    \"shirt\": \"1F455\",\n    \"jeans\": \"1F456\",\n    \"dress\": \"1F457\",\n    \"kimono\": \"1F458\",\n    \"bikini\": \"1F459\",\n    \"womans_clothes\": \"1F45A\",\n    \"purse\": \"1F45B\",\n    \"handbag\": \"1F45C\",\n    \"pouch\": \"1F45D\",\n    \"mans_shoe\": \"1F45E\",\n    \"athletic_shoe\": \"1F45F\",\n    \"high_heel\": \"1F460\",\n    \"sandal\": \"1F461\",\n    \"boot\": \"1F462\",\n    \"footprints\": \"1F463\",\n    \"bust_in_silhouette\": \"1F464\",\n    \"busts_in_silhouette\": \"1F465\",\n    \"boy\": \"1F466\",\n    \"girl\": \"1F467\",\n    \"male-farmer\": \"1F468-200D-1F33E\",\n    \"male-cook\": \"1F468-200D-1F373\",\n    \"male-student\": \"1F468-200D-1F393\",\n    \"male-singer\": \"1F468-200D-1F3A4\",\n    \"male-artist\": \"1F468-200D-1F3A8\",\n    \"male-teacher\": \"1F468-200D-1F3EB\",\n    \"male-factory-worker\": \"1F468-200D-1F3ED\",\n    \"man-boy-boy\": \"1F468-200D-1F466-200D-1F466\",\n    \"man-boy\": \"1F468-200D-1F466\",\n    \"man-girl-boy\": \"1F468-200D-1F467-200D-1F466\",\n    \"man-girl-girl\": \"1F468-200D-1F467-200D-1F467\",\n    \"man-girl\": \"1F468-200D-1F467\",\n    \"man-man-boy\": \"1F468-200D-1F468-200D-1F466\",\n    \"man-man-boy-boy\": \"1F468-200D-1F468-200D-1F466-200D-1F466\",\n    \"man-man-girl\": \"1F468-200D-1F468-200D-1F467\",\n    \"man-man-girl-boy\": \"1F468-200D-1F468-200D-1F467-200D-1F466\",\n    \"man-man-girl-girl\": 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\"1F469-200D-1F33E\",\n    \"female-cook\": \"1F469-200D-1F373\",\n    \"female-student\": \"1F469-200D-1F393\",\n    \"female-singer\": \"1F469-200D-1F3A4\",\n    \"female-artist\": \"1F469-200D-1F3A8\",\n    \"female-teacher\": \"1F469-200D-1F3EB\",\n    \"female-factory-worker\": \"1F469-200D-1F3ED\",\n    \"woman-boy-boy\": \"1F469-200D-1F466-200D-1F466\",\n    \"woman-boy\": \"1F469-200D-1F466\",\n    \"woman-girl-boy\": \"1F469-200D-1F467-200D-1F466\",\n    \"woman-girl-girl\": \"1F469-200D-1F467-200D-1F467\",\n    \"woman-girl\": \"1F469-200D-1F467\",\n    \"woman-woman-boy\": \"1F469-200D-1F469-200D-1F466\",\n    \"woman-woman-boy-boy\": \"1F469-200D-1F469-200D-1F466-200D-1F466\",\n    \"woman-woman-girl\": \"1F469-200D-1F469-200D-1F467\",\n    \"woman-woman-girl-boy\": \"1F469-200D-1F469-200D-1F467-200D-1F466\",\n    \"woman-woman-girl-girl\": \"1F469-200D-1F469-200D-1F467-200D-1F467\",\n    \"female-technologist\": \"1F469-200D-1F4BB\",\n    \"female-office-worker\": \"1F469-200D-1F4BC\",\n    \"female-mechanic\": \"1F469-200D-1F527\",\n    \"female-scientist\": \"1F469-200D-1F52C\",\n    \"female-astronaut\": \"1F469-200D-1F680\",\n    \"female-firefighter\": \"1F469-200D-1F692\",\n    \"female-doctor\": \"1F469-200D-2695-FE0F\",\n    \"female-judge\": \"1F469-200D-2696-FE0F\",\n    \"female-pilot\": \"1F469-200D-2708-FE0F\",\n    \"woman-heart-man\": \"1F469-200D-2764-FE0F-200D-1F468\",\n    \"woman-heart-woman\": \"1F469-200D-2764-FE0F-200D-1F469\",\n    \"woman-kiss-man\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F468\",\n    \"woman-kiss-woman\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F469\",\n    \"woman\": \"1F469\",\n    \"family\": \"1F468-200D-1F469-200D-1F466\",\n    \"couple\": \"1F46B\",\n    \"two_men_holding_hands\": \"1F46C\",\n    \"two_women_holding_hands\": \"1F46D\",\n    \"female-police-officer\": \"1F46E-200D-2640-FE0F\",\n    \"male-police-officer\": \"1F46E-200D-2642-FE0F\",\n    \"cop\": \"1F46E-200D-2642-FE0F\",\n    \"woman-with-bunny-ears-partying\": \"1F46F-200D-2640-FE0F\",\n    \"man-with-bunny-ears-partying\": \"1F46F-200D-2642-FE0F\",\n    \"dancers\": \"1F46F-200D-2640-FE0F\",\n    \"bride_with_veil\": \"1F470\",\n    \"blond-haired-woman\": \"1F471-200D-2640-FE0F\",\n    \"blond-haired-man\": \"1F471-200D-2642-FE0F\",\n    \"person_with_blond_hair\": \"1F471-200D-2642-FE0F\",\n    \"man_with_gua_pi_mao\": \"1F472\",\n    \"woman-wearing-turban\": \"1F473-200D-2640-FE0F\",\n    \"man-wearing-turban\": \"1F473-200D-2642-FE0F\",\n    \"man_with_turban\": \"1F473-200D-2642-FE0F\",\n    \"older_man\": \"1F474\",\n    \"older_woman\": \"1F475\",\n    \"baby\": \"1F476\",\n    \"female-construction-worker\": \"1F477-200D-2640-FE0F\",\n    \"male-construction-worker\": \"1F477-200D-2642-FE0F\",\n    \"construction_worker\": \"1F477-200D-2642-FE0F\",\n    \"princess\": \"1F478\",\n    \"japanese_ogre\": \"1F479\",\n    \"japanese_goblin\": \"1F47A\",\n    \"ghost\": \"1F47B\",\n    \"angel\": \"1F47C\",\n    \"alien\": \"1F47D\",\n    \"space_invader\": \"1F47E\",\n    \"imp\": \"1F47F\",\n    \"skull\": \"1F480\",\n    \"woman-tipping-hand\": \"1F481-200D-2640-FE0F\",\n    \"man-tipping-hand\": \"1F481-200D-2642-FE0F\",\n    \"information_desk_person\": \"1F481-200D-2640-FE0F\",\n    \"female-guard\": \"1F482-200D-2640-FE0F\",\n    \"male-guard\": \"1F482-200D-2642-FE0F\",\n    \"guardsman\": \"1F482-200D-2642-FE0F\",\n    \"dancer\": \"1F483\",\n    \"lipstick\": \"1F484\",\n    \"nail_care\": \"1F485\",\n    \"woman-getting-massage\": \"1F486-200D-2640-FE0F\",\n    \"man-getting-massage\": \"1F486-200D-2642-FE0F\",\n    \"massage\": \"1F486-200D-2640-FE0F\",\n    \"woman-getting-haircut\": \"1F487-200D-2640-FE0F\",\n    \"man-getting-haircut\": \"1F487-200D-2642-FE0F\",\n    \"haircut\": \"1F487-200D-2640-FE0F\",\n    \"barber\": \"1F488\",\n    \"syringe\": \"1F489\",\n    \"pill\": \"1F48A\",\n    \"kiss\": \"1F48B\",\n    \"love_letter\": \"1F48C\",\n    \"ring\": \"1F48D\",\n    \"gem\": \"1F48E\",\n    \"couplekiss\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F468\",\n    \"bouquet\": \"1F490\",\n    \"couple_with_heart\": \"1F469-200D-2764-FE0F-200D-1F468\",\n    \"wedding\": \"1F492\",\n    \"heartbeat\": \"1F493\",\n    \"broken_heart\": \"1F494\",\n    \"two_hearts\": \"1F495\",\n    \"sparkling_heart\": \"1F496\",\n    \"heartpulse\": \"1F497\",\n    \"cupid\": \"1F498\",\n    \"blue_heart\": \"1F499\",\n    \"green_heart\": \"1F49A\",\n    \"yellow_heart\": \"1F49B\",\n    \"purple_heart\": \"1F49C\",\n    \"gift_heart\": \"1F49D\",\n    \"revolving_hearts\": \"1F49E\",\n    \"heart_decoration\": \"1F49F\",\n    \"diamond_shape_with_a_dot_inside\": \"1F4A0\",\n    \"bulb\": \"1F4A1\",\n    \"anger\": \"1F4A2\",\n    \"bomb\": \"1F4A3\",\n    \"zzz\": \"1F4A4\",\n    \"boom\": \"1F4A5\",\n    \"sweat_drops\": \"1F4A6\",\n    \"droplet\": \"1F4A7\",\n    \"dash\": \"1F4A8\",\n    \"hankey\": \"1F4A9\",\n    \"muscle\": \"1F4AA\",\n    \"dizzy\": \"1F4AB\",\n    \"speech_balloon\": \"1F4AC\",\n    \"thought_balloon\": \"1F4AD\",\n    \"white_flower\": \"1F4AE\",\n    \"100\": \"1F4AF\",\n    \"moneybag\": \"1F4B0\",\n    \"currency_exchange\": \"1F4B1\",\n    \"heavy_dollar_sign\": \"1F4B2\",\n    \"credit_card\": \"1F4B3\",\n    \"yen\": \"1F4B4\",\n    \"dollar\": \"1F4B5\",\n    \"euro\": \"1F4B6\",\n    \"pound\": \"1F4B7\",\n    \"money_with_wings\": \"1F4B8\",\n    \"chart\": \"1F4B9\",\n    \"seat\": \"1F4BA\",\n    \"computer\": \"1F4BB\",\n    \"briefcase\": \"1F4BC\",\n    \"minidisc\": \"1F4BD\",\n    \"floppy_disk\": \"1F4BE\",\n    \"cd\": \"1F4BF\",\n    \"dvd\": \"1F4C0\",\n    \"file_folder\": \"1F4C1\",\n    \"open_file_folder\": \"1F4C2\",\n    \"page_with_curl\": \"1F4C3\",\n    \"page_facing_up\": \"1F4C4\",\n    \"date\": \"1F4C5\",\n    \"calendar\": \"1F4C6\",\n    \"card_index\": \"1F4C7\",\n    \"chart_with_upwards_trend\": \"1F4C8\",\n    \"chart_with_downwards_trend\": \"1F4C9\",\n    \"bar_chart\": \"1F4CA\",\n    \"clipboard\": \"1F4CB\",\n    \"pushpin\": \"1F4CC\",\n    \"round_pushpin\": \"1F4CD\",\n    \"paperclip\": \"1F4CE\",\n    \"straight_ruler\": \"1F4CF\",\n    \"triangular_ruler\": \"1F4D0\",\n    \"bookmark_tabs\": \"1F4D1\",\n    \"ledger\": \"1F4D2\",\n    \"notebook\": \"1F4D3\",\n    \"notebook_with_decorative_cover\": \"1F4D4\",\n    \"closed_book\": \"1F4D5\",\n    \"book\": \"1F4D6\",\n    \"green_book\": \"1F4D7\",\n    \"blue_book\": \"1F4D8\",\n    \"orange_book\": \"1F4D9\",\n    \"books\": \"1F4DA\",\n    \"name_badge\": \"1F4DB\",\n    \"scroll\": \"1F4DC\",\n    \"memo\": \"1F4DD\",\n    \"telephone_receiver\": \"1F4DE\",\n    \"pager\": \"1F4DF\",\n    \"fax\": \"1F4E0\",\n    \"satellite_antenna\": \"1F4E1\",\n    \"loudspeaker\": \"1F4E2\",\n    \"mega\": \"1F4E3\",\n    \"outbox_tray\": \"1F4E4\",\n    \"inbox_tray\": \"1F4E5\",\n    \"package\": \"1F4E6\",\n    \"e-mail\": \"1F4E7\",\n    \"incoming_envelope\": \"1F4E8\",\n    \"envelope_with_arrow\": \"1F4E9\",\n    \"mailbox_closed\": \"1F4EA\",\n    \"mailbox\": \"1F4EB\",\n    \"mailbox_with_mail\": \"1F4EC\",\n    \"mailbox_with_no_mail\": \"1F4ED\",\n    \"postbox\": \"1F4EE\",\n    \"postal_horn\": \"1F4EF\",\n    \"newspaper\": \"1F4F0\",\n    \"iphone\": \"1F4F1\",\n    \"calling\": \"1F4F2\",\n    \"vibration_mode\": \"1F4F3\",\n    \"mobile_phone_off\": \"1F4F4\",\n    \"no_mobile_phones\": \"1F4F5\",\n    \"signal_strength\": \"1F4F6\",\n    \"camera\": \"1F4F7\",\n    \"camera_with_flash\": \"1F4F8\",\n    \"video_camera\": \"1F4F9\",\n    \"tv\": \"1F4FA\",\n    \"radio\": \"1F4FB\",\n    \"vhs\": \"1F4FC\",\n    \"film_projector\": \"1F4FD-FE0F\",\n    \"prayer_beads\": \"1F4FF\",\n    \"twisted_rightwards_arrows\": \"1F500\",\n    \"repeat\": \"1F501\",\n    \"repeat_one\": \"1F502\",\n    \"arrows_clockwise\": \"1F503\",\n    \"arrows_counterclockwise\": \"1F504\",\n    \"low_brightness\": \"1F505\",\n    \"high_brightness\": \"1F506\",\n    \"mute\": \"1F507\",\n    \"speaker\": \"1F508\",\n    \"sound\": \"1F509\",\n    \"loud_sound\": \"1F50A\",\n    \"battery\": \"1F50B\",\n    \"electric_plug\": \"1F50C\",\n    \"mag\": \"1F50D\",\n    \"mag_right\": \"1F50E\",\n    \"lock_with_ink_pen\": \"1F50F\",\n    \"closed_lock_with_key\": \"1F510\",\n    \"key\": \"1F511\",\n    \"lock\": \"1F512\",\n    \"unlock\": \"1F513\",\n    \"bell\": \"1F514\",\n    \"no_bell\": \"1F515\",\n    \"bookmark\": \"1F516\",\n    \"link\": \"1F517\",\n    \"radio_button\": \"1F518\",\n    \"back\": \"1F519\",\n    \"end\": \"1F51A\",\n    \"on\": \"1F51B\",\n    \"soon\": \"1F51C\",\n    \"top\": \"1F51D\",\n    \"underage\": \"1F51E\",\n    \"keycap_ten\": \"1F51F\",\n    \"capital_abcd\": \"1F520\",\n    \"abcd\": \"1F521\",\n    \"1234\": \"1F522\",\n    \"symbols\": \"1F523\",\n    \"abc\": \"1F524\",\n    \"fire\": \"1F525\",\n    \"flashlight\": \"1F526\",\n    \"wrench\": \"1F527\",\n    \"hammer\": \"1F528\",\n    \"nut_and_bolt\": \"1F529\",\n    \"hocho\": \"1F52A\",\n    \"gun\": \"1F52B\",\n    \"microscope\": \"1F52C\",\n    \"telescope\": \"1F52D\",\n    \"crystal_ball\": \"1F52E\",\n    \"six_pointed_star\": \"1F52F\",\n    \"beginner\": \"1F530\",\n    \"trident\": \"1F531\",\n    \"black_square_button\": \"1F532\",\n    \"white_square_button\": \"1F533\",\n    \"red_circle\": \"1F534\",\n    \"large_blue_circle\": \"1F535\",\n    \"large_orange_diamond\": \"1F536\",\n    \"large_blue_diamond\": \"1F537\",\n    \"small_orange_diamond\": \"1F538\",\n    \"small_blue_diamond\": \"1F539\",\n    \"small_red_triangle\": \"1F53A\",\n    \"small_red_triangle_down\": \"1F53B\",\n    \"arrow_up_small\": \"1F53C\",\n    \"arrow_down_small\": \"1F53D\",\n    \"om_symbol\": \"1F549-FE0F\",\n    \"dove_of_peace\": \"1F54A-FE0F\",\n    \"kaaba\": \"1F54B\",\n    \"mosque\": \"1F54C\",\n    \"synagogue\": \"1F54D\",\n    \"menorah_with_nine_branches\": \"1F54E\",\n    \"clock1\": \"1F550\",\n    \"clock2\": \"1F551\",\n    \"clock3\": \"1F552\",\n    \"clock4\": \"1F553\",\n    \"clock5\": \"1F554\",\n    \"clock6\": \"1F555\",\n    \"clock7\": \"1F556\",\n    \"clock8\": \"1F557\",\n    \"clock9\": \"1F558\",\n    \"clock10\": \"1F559\",\n    \"clock11\": \"1F55A\",\n    \"clock12\": \"1F55B\",\n    \"clock130\": \"1F55C\",\n    \"clock230\": \"1F55D\",\n    \"clock330\": \"1F55E\",\n    \"clock430\": \"1F55F\",\n    \"clock530\": \"1F560\",\n    \"clock630\": \"1F561\",\n    \"clock730\": \"1F562\",\n    \"clock830\": \"1F563\",\n    \"clock930\": \"1F564\",\n    \"clock1030\": \"1F565\",\n    \"clock1130\": \"1F566\",\n    \"clock1230\": \"1F567\",\n    \"candle\": \"1F56F-FE0F\",\n    \"mantelpiece_clock\": \"1F570-FE0F\",\n    \"hole\": \"1F573-FE0F\",\n    \"man_in_business_suit_levitating\": \"1F574-FE0F\",\n    \"female-detective\": \"1F575-FE0F-200D-2640-FE0F\",\n    \"male-detective\": \"1F575-FE0F-200D-2642-FE0F\",\n    \"sleuth_or_spy\": \"1F575-FE0F-200D-2642-FE0F\",\n    \"dark_sunglasses\": \"1F576-FE0F\",\n    \"spider\": \"1F577-FE0F\",\n    \"spider_web\": \"1F578-FE0F\",\n    \"joystick\": \"1F579-FE0F\",\n    \"man_dancing\": \"1F57A\",\n    \"linked_paperclips\": \"1F587-FE0F\",\n    \"lower_left_ballpoint_pen\": \"1F58A-FE0F\",\n    \"lower_left_fountain_pen\": \"1F58B-FE0F\",\n    \"lower_left_paintbrush\": \"1F58C-FE0F\",\n    \"lower_left_crayon\": \"1F58D-FE0F\",\n    \"raised_hand_with_fingers_splayed\": \"1F590-FE0F\",\n    \"middle_finger\": \"1F595\",\n    \"spock-hand\": \"1F596\",\n    \"black_heart\": \"1F5A4\",\n    \"desktop_computer\": \"1F5A5-FE0F\",\n    \"printer\": \"1F5A8-FE0F\",\n    \"three_button_mouse\": \"1F5B1-FE0F\",\n    \"trackball\": \"1F5B2-FE0F\",\n    \"frame_with_picture\": \"1F5BC-FE0F\",\n    \"card_index_dividers\": \"1F5C2-FE0F\",\n    \"card_file_box\": \"1F5C3-FE0F\",\n    \"file_cabinet\": \"1F5C4-FE0F\",\n    \"wastebasket\": \"1F5D1-FE0F\",\n    \"spiral_note_pad\": \"1F5D2-FE0F\",\n    \"spiral_calendar_pad\": \"1F5D3-FE0F\",\n    \"compression\": \"1F5DC-FE0F\",\n    \"old_key\": \"1F5DD-FE0F\",\n    \"rolled_up_newspaper\": \"1F5DE-FE0F\",\n    \"dagger_knife\": \"1F5E1-FE0F\",\n    \"speaking_head_in_silhouette\": \"1F5E3-FE0F\",\n    \"left_speech_bubble\": \"1F5E8-FE0F\",\n    \"right_anger_bubble\": \"1F5EF-FE0F\",\n    \"ballot_box_with_ballot\": \"1F5F3-FE0F\",\n    \"world_map\": \"1F5FA-FE0F\",\n    \"mount_fuji\": \"1F5FB\",\n    \"tokyo_tower\": \"1F5FC\",\n    \"statue_of_liberty\": \"1F5FD\",\n    \"japan\": \"1F5FE\",\n    \"moyai\": \"1F5FF\",\n    \"grinning\": \"1F600\",\n    \"grin\": \"1F601\",\n    \"joy\": \"1F602\",\n    \"smiley\": \"1F603\",\n    \"smile\": \"1F604\",\n    \"sweat_smile\": \"1F605\",\n    \"laughing\": \"1F606\",\n    \"innocent\": \"1F607\",\n    \"smiling_imp\": \"1F608\",\n    \"wink\": \"1F609\",\n    \"blush\": \"1F60A\",\n    \"yum\": \"1F60B\",\n    \"relieved\": \"1F60C\",\n    \"heart_eyes\": \"1F60D\",\n    \"sunglasses\": \"1F60E\",\n    \"smirk\": \"1F60F\",\n    \"neutral_face\": \"1F610\",\n    \"expressionless\": \"1F611\",\n    \"unamused\": \"1F612\",\n    \"sweat\": \"1F613\",\n    \"pensive\": \"1F614\",\n    \"confused\": \"1F615\",\n    \"confounded\": \"1F616\",\n    \"kissing\": \"1F617\",\n    \"kissing_heart\": \"1F618\",\n    \"kissing_smiling_eyes\": \"1F619\",\n    \"kissing_closed_eyes\": \"1F61A\",\n    \"stuck_out_tongue\": \"1F61B\",\n    \"stuck_out_tongue_winking_eye\": \"1F61C\",\n    \"stuck_out_tongue_closed_eyes\": \"1F61D\",\n    \"disappointed\": \"1F61E\",\n    \"worried\": \"1F61F\",\n    \"angry\": \"1F620\",\n    \"rage\": \"1F621\",\n    \"cry\": \"1F622\",\n    \"persevere\": \"1F623\",\n    \"triumph\": \"1F624\",\n    \"disappointed_relieved\": \"1F625\",\n    \"frowning\": \"1F626\",\n    \"anguished\": \"1F627\",\n    \"fearful\": \"1F628\",\n    \"weary\": \"1F629\",\n    \"sleepy\": \"1F62A\",\n    \"tired_face\": \"1F62B\",\n    \"grimacing\": \"1F62C\",\n    \"sob\": \"1F62D\",\n    \"open_mouth\": \"1F62E\",\n    \"hushed\": \"1F62F\",\n    \"cold_sweat\": \"1F630\",\n    \"scream\": \"1F631\",\n    \"astonished\": \"1F632\",\n    \"flushed\": \"1F633\",\n    \"sleeping\": \"1F634\",\n    \"dizzy_face\": \"1F635\",\n    \"no_mouth\": \"1F636\",\n    \"mask\": \"1F637\",\n    \"smile_cat\": \"1F638\",\n    \"joy_cat\": \"1F639\",\n    \"smiley_cat\": \"1F63A\",\n    \"heart_eyes_cat\": \"1F63B\",\n    \"smirk_cat\": \"1F63C\",\n    \"kissing_cat\": \"1F63D\",\n    \"pouting_cat\": \"1F63E\",\n    \"crying_cat_face\": \"1F63F\",\n    \"scream_cat\": \"1F640\",\n    \"slightly_frowning_face\": \"1F641\",\n    \"slightly_smiling_face\": \"1F642\",\n    \"upside_down_face\": \"1F643\",\n    \"face_with_rolling_eyes\": \"1F644\",\n    \"woman-gesturing-no\": \"1F645-200D-2640-FE0F\",\n    \"man-gesturing-no\": \"1F645-200D-2642-FE0F\",\n    \"no_good\": \"1F645-200D-2640-FE0F\",\n    \"woman-gesturing-ok\": \"1F646-200D-2640-FE0F\",\n    \"man-gesturing-ok\": \"1F646-200D-2642-FE0F\",\n    \"ok_woman\": \"1F646-200D-2640-FE0F\",\n    \"woman-bowing\": \"1F647-200D-2640-FE0F\",\n    \"man-bowing\": \"1F647-200D-2642-FE0F\",\n    \"bow\": \"1F647-200D-2642-FE0F\",\n    \"see_no_evil\": \"1F648\",\n    \"hear_no_evil\": \"1F649\",\n    \"speak_no_evil\": \"1F64A\",\n    \"woman-raising-hand\": \"1F64B-200D-2640-FE0F\",\n    \"man-raising-hand\": \"1F64B-200D-2642-FE0F\",\n    \"raising_hand\": \"1F64B-200D-2640-FE0F\",\n    \"raised_hands\": \"1F64C\",\n    \"woman-frowning\": \"1F64D-200D-2640-FE0F\",\n    \"man-frowning\": \"1F64D-200D-2642-FE0F\",\n    \"person_frowning\": \"1F64D-200D-2640-FE0F\",\n    \"woman-pouting\": \"1F64E-200D-2640-FE0F\",\n    \"man-pouting\": \"1F64E-200D-2642-FE0F\",\n    \"person_with_pouting_face\": \"1F64E-200D-2640-FE0F\",\n    \"pray\": \"1F64F\",\n    \"rocket\": \"1F680\",\n    \"helicopter\": \"1F681\",\n    \"steam_locomotive\": \"1F682\",\n    \"railway_car\": \"1F683\",\n    \"bullettrain_side\": \"1F684\",\n    \"bullettrain_front\": \"1F685\",\n    \"train2\": \"1F686\",\n    \"metro\": \"1F687\",\n    \"light_rail\": \"1F688\",\n    \"station\": \"1F689\",\n    \"tram\": \"1F68A\",\n    \"train\": \"1F68B\",\n    \"bus\": \"1F68C\",\n    \"oncoming_bus\": \"1F68D\",\n    \"trolleybus\": \"1F68E\",\n    \"busstop\": \"1F68F\",\n    \"minibus\": \"1F690\",\n    \"ambulance\": \"1F691\",\n    \"fire_engine\": \"1F692\",\n    \"police_car\": \"1F693\",\n    \"oncoming_police_car\": \"1F694\",\n    \"taxi\": \"1F695\",\n    \"oncoming_taxi\": \"1F696\",\n    \"car\": \"1F697\",\n    \"oncoming_automobile\": \"1F698\",\n    \"blue_car\": \"1F699\",\n    \"truck\": \"1F69A\",\n    \"articulated_lorry\": \"1F69B\",\n    \"tractor\": \"1F69C\",\n    \"monorail\": \"1F69D\",\n    \"mountain_railway\": \"1F69E\",\n    \"suspension_railway\": \"1F69F\",\n    \"mountain_cableway\": \"1F6A0\",\n    \"aerial_tramway\": \"1F6A1\",\n    \"ship\": \"1F6A2\",\n    \"woman-rowing-boat\": \"1F6A3-200D-2640-FE0F\",\n    \"man-rowing-boat\": \"1F6A3-200D-2642-FE0F\",\n    \"rowboat\": \"1F6A3-200D-2642-FE0F\",\n    \"speedboat\": \"1F6A4\",\n    \"traffic_light\": \"1F6A5\",\n    \"vertical_traffic_light\": \"1F6A6\",\n    \"construction\": \"1F6A7\",\n    \"rotating_light\": \"1F6A8\",\n    \"triangular_flag_on_post\": \"1F6A9\",\n    \"door\": \"1F6AA\",\n    \"no_entry_sign\": \"1F6AB\",\n    \"smoking\": \"1F6AC\",\n    \"no_smoking\": \"1F6AD\",\n    \"put_litter_in_its_place\": \"1F6AE\",\n    \"do_not_litter\": \"1F6AF\",\n    \"potable_water\": \"1F6B0\",\n    \"non-potable_water\": \"1F6B1\",\n    \"bike\": \"1F6B2\",\n    \"no_bicycles\": \"1F6B3\",\n    \"woman-biking\": \"1F6B4-200D-2640-FE0F\",\n    \"man-biking\": \"1F6B4-200D-2642-FE0F\",\n    \"bicyclist\": \"1F6B4-200D-2642-FE0F\",\n    \"woman-mountain-biking\": \"1F6B5-200D-2640-FE0F\",\n    \"man-mountain-biking\": \"1F6B5-200D-2642-FE0F\",\n    \"mountain_bicyclist\": \"1F6B5-200D-2642-FE0F\",\n    \"woman-walking\": \"1F6B6-200D-2640-FE0F\",\n    \"man-walking\": \"1F6B6-200D-2642-FE0F\",\n    \"walking\": \"1F6B6-200D-2642-FE0F\",\n    \"no_pedestrians\": \"1F6B7\",\n    \"children_crossing\": \"1F6B8\",\n    \"mens\": \"1F6B9\",\n    \"womens\": \"1F6BA\",\n    \"restroom\": \"1F6BB\",\n    \"baby_symbol\": \"1F6BC\",\n    \"toilet\": \"1F6BD\",\n    \"wc\": \"1F6BE\",\n    \"shower\": \"1F6BF\",\n    \"bath\": \"1F6C0\",\n    \"bathtub\": \"1F6C1\",\n    \"passport_control\": \"1F6C2\",\n    \"customs\": \"1F6C3\",\n    \"baggage_claim\": \"1F6C4\",\n    \"left_luggage\": \"1F6C5\",\n    \"couch_and_lamp\": \"1F6CB-FE0F\",\n    \"sleeping_accommodation\": \"1F6CC\",\n    \"shopping_bags\": \"1F6CD-FE0F\",\n    \"bellhop_bell\": \"1F6CE-FE0F\",\n    \"bed\": \"1F6CF-FE0F\",\n    \"place_of_worship\": \"1F6D0\",\n    \"octagonal_sign\": \"1F6D1\",\n    \"shopping_trolley\": \"1F6D2\",\n    \"hammer_and_wrench\": \"1F6E0-FE0F\",\n    \"shield\": \"1F6E1-FE0F\",\n    \"oil_drum\": \"1F6E2-FE0F\",\n    \"motorway\": \"1F6E3-FE0F\",\n    \"railway_track\": \"1F6E4-FE0F\",\n    \"motor_boat\": \"1F6E5-FE0F\",\n    \"small_airplane\": \"1F6E9-FE0F\",\n    \"airplane_departure\": \"1F6EB\",\n    \"airplane_arriving\": \"1F6EC\",\n    \"satellite\": \"1F6F0-FE0F\",\n    \"passenger_ship\": \"1F6F3-FE0F\",\n    \"scooter\": \"1F6F4\",\n    \"motor_scooter\": \"1F6F5\",\n    \"canoe\": \"1F6F6\",\n    \"sled\": \"1F6F7\",\n    \"flying_saucer\": \"1F6F8\",\n    \"zipper_mouth_face\": \"1F910\",\n    \"money_mouth_face\": \"1F911\",\n    \"face_with_thermometer\": \"1F912\",\n    \"nerd_face\": \"1F913\",\n    \"thinking_face\": \"1F914\",\n    \"face_with_head_bandage\": \"1F915\",\n    \"robot_face\": \"1F916\",\n    \"hugging_face\": \"1F917\",\n    \"the_horns\": \"1F918\",\n    \"call_me_hand\": \"1F919\",\n    \"raised_back_of_hand\": \"1F91A\",\n    \"left-facing_fist\": \"1F91B\",\n    \"right-facing_fist\": \"1F91C\",\n    \"handshake\": \"1F91D\",\n    \"crossed_fingers\": \"1F91E\",\n    \"i_love_you_hand_sign\": \"1F91F\",\n    \"face_with_cowboy_hat\": \"1F920\",\n    \"clown_face\": \"1F921\",\n    \"nauseated_face\": \"1F922\",\n    \"rolling_on_the_floor_laughing\": \"1F923\",\n    \"drooling_face\": \"1F924\",\n    \"lying_face\": \"1F925\",\n    \"woman-facepalming\": \"1F926-200D-2640-FE0F\",\n    \"man-facepalming\": \"1F926-200D-2642-FE0F\",\n    \"face_palm\": \"1F926\",\n    \"sneezing_face\": \"1F927\",\n    \"face_with_raised_eyebrow\": \"1F928\",\n    \"star-struck\": \"1F929\",\n    \"zany_face\": \"1F92A\",\n    \"shushing_face\": \"1F92B\",\n    \"face_with_symbols_on_mouth\": \"1F92C\",\n    \"face_with_hand_over_mouth\": \"1F92D\",\n    \"face_vomiting\": \"1F92E\",\n    \"exploding_head\": \"1F92F\",\n    \"pregnant_woman\": \"1F930\",\n    \"breast-feeding\": \"1F931\",\n    \"palms_up_together\": \"1F932\",\n    \"selfie\": \"1F933\",\n    \"prince\": \"1F934\",\n    \"man_in_tuxedo\": \"1F935\",\n    \"mrs_claus\": \"1F936\",\n    \"woman-shrugging\": \"1F937-200D-2640-FE0F\",\n    \"man-shrugging\": \"1F937-200D-2642-FE0F\",\n    \"shrug\": \"1F937\",\n    \"woman-cartwheeling\": \"1F938-200D-2640-FE0F\",\n    \"man-cartwheeling\": \"1F938-200D-2642-FE0F\",\n    \"person_doing_cartwheel\": \"1F938\",\n    \"woman-juggling\": \"1F939-200D-2640-FE0F\",\n    \"man-juggling\": \"1F939-200D-2642-FE0F\",\n    \"juggling\": \"1F939\",\n    \"fencer\": \"1F93A\",\n    \"woman-wrestling\": \"1F93C-200D-2640-FE0F\",\n    \"man-wrestling\": \"1F93C-200D-2642-FE0F\",\n    \"wrestlers\": \"1F93C\",\n    \"woman-playing-water-polo\": \"1F93D-200D-2640-FE0F\",\n    \"man-playing-water-polo\": \"1F93D-200D-2642-FE0F\",\n    \"water_polo\": \"1F93D\",\n    \"woman-playing-handball\": \"1F93E-200D-2640-FE0F\",\n    \"man-playing-handball\": \"1F93E-200D-2642-FE0F\",\n    \"handball\": \"1F93E\",\n    \"wilted_flower\": \"1F940\",\n    \"drum_with_drumsticks\": \"1F941\",\n    \"clinking_glasses\": \"1F942\",\n    \"tumbler_glass\": \"1F943\",\n    \"spoon\": \"1F944\",\n    \"goal_net\": \"1F945\",\n    \"first_place_medal\": \"1F947\",\n    \"second_place_medal\": \"1F948\",\n    \"third_place_medal\": \"1F949\",\n    \"boxing_glove\": \"1F94A\",\n    \"martial_arts_uniform\": \"1F94B\",\n    \"curling_stone\": \"1F94C\",\n    \"croissant\": \"1F950\",\n    \"avocado\": \"1F951\",\n    \"cucumber\": \"1F952\",\n    \"bacon\": \"1F953\",\n    \"potato\": \"1F954\",\n    \"carrot\": \"1F955\",\n    \"baguette_bread\": \"1F956\",\n    \"green_salad\": \"1F957\",\n    \"shallow_pan_of_food\": \"1F958\",\n    \"stuffed_flatbread\": \"1F959\",\n    \"egg\": \"1F95A\",\n    \"glass_of_milk\": \"1F95B\",\n    \"peanuts\": \"1F95C\",\n    \"kiwifruit\": \"1F95D\",\n    \"pancakes\": \"1F95E\",\n    \"dumpling\": \"1F95F\",\n    \"fortune_cookie\": \"1F960\",\n    \"takeout_box\": \"1F961\",\n    \"chopsticks\": \"1F962\",\n    \"bowl_with_spoon\": \"1F963\",\n    \"cup_with_straw\": \"1F964\",\n    \"coconut\": \"1F965\",\n    \"broccoli\": \"1F966\",\n    \"pie\": \"1F967\",\n    \"pretzel\": \"1F968\",\n    \"cut_of_meat\": \"1F969\",\n    \"sandwich\": \"1F96A\",\n    \"canned_food\": \"1F96B\",\n    \"crab\": \"1F980\",\n    \"lion_face\": \"1F981\",\n    \"scorpion\": \"1F982\",\n    \"turkey\": \"1F983\",\n    \"unicorn_face\": \"1F984\",\n    \"eagle\": \"1F985\",\n    \"duck\": \"1F986\",\n    \"bat\": \"1F987\",\n    \"shark\": \"1F988\",\n    \"owl\": \"1F989\",\n    \"fox_face\": \"1F98A\",\n    \"butterfly\": \"1F98B\",\n    \"deer\": \"1F98C\",\n    \"gorilla\": \"1F98D\",\n    \"lizard\": \"1F98E\",\n    \"rhinoceros\": \"1F98F\",\n    \"shrimp\": \"1F990\",\n    \"squid\": \"1F991\",\n    \"giraffe_face\": \"1F992\",\n    \"zebra_face\": \"1F993\",\n    \"hedgehog\": \"1F994\",\n    \"sauropod\": \"1F995\",\n    \"t-rex\": \"1F996\",\n    \"cricket\": \"1F997\",\n    \"cheese_wedge\": \"1F9C0\",\n    \"face_with_monocle\": \"1F9D0\",\n    \"adult\": \"1F9D1\",\n    \"child\": \"1F9D2\",\n    \"older_adult\": \"1F9D3\",\n    \"bearded_person\": \"1F9D4\",\n    \"person_with_headscarf\": \"1F9D5\",\n    \"woman_in_steamy_room\": \"1F9D6-200D-2640-FE0F\",\n    \"man_in_steamy_room\": \"1F9D6-200D-2642-FE0F\",\n    \"person_in_steamy_room\": \"1F9D6-200D-2642-FE0F\",\n    \"woman_climbing\": \"1F9D7-200D-2640-FE0F\",\n    \"man_climbing\": \"1F9D7-200D-2642-FE0F\",\n    \"person_climbing\": \"1F9D7-200D-2640-FE0F\",\n    \"woman_in_lotus_position\": \"1F9D8-200D-2640-FE0F\",\n    \"man_in_lotus_position\": \"1F9D8-200D-2642-FE0F\",\n    \"person_in_lotus_position\": \"1F9D8-200D-2640-FE0F\",\n    \"female_mage\": \"1F9D9-200D-2640-FE0F\",\n    \"male_mage\": \"1F9D9-200D-2642-FE0F\",\n    \"mage\": \"1F9D9-200D-2640-FE0F\",\n    \"female_fairy\": \"1F9DA-200D-2640-FE0F\",\n    \"male_fairy\": \"1F9DA-200D-2642-FE0F\",\n    \"fairy\": \"1F9DA-200D-2640-FE0F\",\n    \"female_vampire\": \"1F9DB-200D-2640-FE0F\",\n    \"male_vampire\": \"1F9DB-200D-2642-FE0F\",\n    \"vampire\": \"1F9DB-200D-2640-FE0F\",\n    \"mermaid\": \"1F9DC-200D-2640-FE0F\",\n    \"merman\": \"1F9DC-200D-2642-FE0F\",\n    \"merperson\": \"1F9DC-200D-2642-FE0F\",\n    \"female_elf\": \"1F9DD-200D-2640-FE0F\",\n    \"male_elf\": \"1F9DD-200D-2642-FE0F\",\n    \"elf\": \"1F9DD-200D-2642-FE0F\",\n    \"female_genie\": \"1F9DE-200D-2640-FE0F\",\n    \"male_genie\": \"1F9DE-200D-2642-FE0F\",\n    \"genie\": \"1F9DE-200D-2642-FE0F\",\n    \"female_zombie\": \"1F9DF-200D-2640-FE0F\",\n    \"male_zombie\": \"1F9DF-200D-2642-FE0F\",\n    \"zombie\": \"1F9DF-200D-2642-FE0F\",\n    \"brain\": \"1F9E0\",\n    \"orange_heart\": \"1F9E1\",\n    \"billed_cap\": \"1F9E2\",\n    \"scarf\": \"1F9E3\",\n    \"gloves\": \"1F9E4\",\n    \"coat\": \"1F9E5\",\n    \"socks\": \"1F9E6\",\n    \"bangbang\": \"203C-FE0F\",\n    \"interrobang\": \"2049-FE0F\",\n    \"tm\": \"2122-FE0F\",\n    \"information_source\": \"2139-FE0F\",\n    \"left_right_arrow\": \"2194-FE0F\",\n    \"arrow_up_down\": \"2195-FE0F\",\n    \"arrow_upper_left\": \"2196-FE0F\",\n    \"arrow_upper_right\": \"2197-FE0F\",\n    \"arrow_lower_right\": \"2198-FE0F\",\n    \"arrow_lower_left\": \"2199-FE0F\",\n    \"leftwards_arrow_with_hook\": \"21A9-FE0F\",\n    \"arrow_right_hook\": \"21AA-FE0F\",\n    \"watch\": \"231A\",\n    \"hourglass\": \"231B\",\n    \"keyboard\": \"2328-FE0F\",\n    \"eject\": \"23CF-FE0F\",\n    \"fast_forward\": \"23E9\",\n    \"rewind\": \"23EA\",\n    \"arrow_double_up\": \"23EB\",\n    \"arrow_double_down\": \"23EC\",\n    \"black_right_pointing_double_triangle_with_vertical_bar\": \"23ED-FE0F\",\n    \"black_left_pointing_double_triangle_with_vertical_bar\": \"23EE-FE0F\",\n    \"black_right_pointing_triangle_with_double_vertical_bar\": \"23EF-FE0F\",\n    \"alarm_clock\": \"23F0\",\n    \"stopwatch\": \"23F1-FE0F\",\n    \"timer_clock\": \"23F2-FE0F\",\n    \"hourglass_flowing_sand\": \"23F3\",\n    \"double_vertical_bar\": \"23F8-FE0F\",\n    \"black_square_for_stop\": \"23F9-FE0F\",\n    \"black_circle_for_record\": \"23FA-FE0F\",\n    \"m\": \"24C2-FE0F\",\n    \"black_small_square\": \"25AA-FE0F\",\n    \"white_small_square\": \"25AB-FE0F\",\n    \"arrow_forward\": \"25B6-FE0F\",\n    \"arrow_backward\": \"25C0-FE0F\",\n    \"white_medium_square\": \"25FB-FE0F\",\n    \"black_medium_square\": \"25FC-FE0F\",\n    \"white_medium_small_square\": \"25FD\",\n    \"black_medium_small_square\": \"25FE\",\n    \"sunny\": \"2600-FE0F\",\n    \"cloud\": \"2601-FE0F\",\n    \"umbrella\": \"2602-FE0F\",\n    \"snowman\": \"2603-FE0F\",\n    \"comet\": \"2604-FE0F\",\n    \"phone\": \"260E-FE0F\",\n    \"ballot_box_with_check\": \"2611-FE0F\",\n    \"umbrella_with_rain_drops\": \"2614\",\n    \"coffee\": \"2615\",\n    \"shamrock\": \"2618-FE0F\",\n    \"point_up\": \"261D-FE0F\",\n    \"skull_and_crossbones\": \"2620-FE0F\",\n    \"radioactive_sign\": \"2622-FE0F\",\n    \"biohazard_sign\": \"2623-FE0F\",\n    \"orthodox_cross\": \"2626-FE0F\",\n    \"star_and_crescent\": \"262A-FE0F\",\n    \"peace_symbol\": \"262E-FE0F\",\n    \"yin_yang\": \"262F-FE0F\",\n    \"wheel_of_dharma\": \"2638-FE0F\",\n    \"white_frowning_face\": \"2639-FE0F\",\n    \"relaxed\": \"263A-FE0F\",\n    \"female_sign\": \"2640-FE0F\",\n    \"male_sign\": \"2642-FE0F\",\n    \"aries\": \"2648\",\n    \"taurus\": \"2649\",\n    \"gemini\": \"264A\",\n    \"cancer\": \"264B\",\n    \"leo\": \"264C\",\n    \"virgo\": \"264D\",\n    \"libra\": \"264E\",\n    \"scorpius\": \"264F\",\n    \"sagittarius\": \"2650\",\n    \"capricorn\": \"2651\",\n    \"aquarius\": \"2652\",\n    \"pisces\": \"2653\",\n    \"spades\": \"2660-FE0F\",\n    \"clubs\": \"2663-FE0F\",\n    \"hearts\": \"2665-FE0F\",\n    \"diamonds\": \"2666-FE0F\",\n    \"hotsprings\": \"2668-FE0F\",\n    \"recycle\": \"267B-FE0F\",\n    \"wheelchair\": \"267F\",\n    \"hammer_and_pick\": \"2692-FE0F\",\n    \"anchor\": \"2693\",\n    \"crossed_swords\": \"2694-FE0F\",\n    \"medical_symbol\": \"2695-FE0F\",\n    \"scales\": \"2696-FE0F\",\n    \"alembic\": \"2697-FE0F\",\n    \"gear\": \"2699-FE0F\",\n    \"atom_symbol\": \"269B-FE0F\",\n    \"fleur_de_lis\": \"269C-FE0F\",\n    \"warning\": \"26A0-FE0F\",\n    \"zap\": \"26A1\",\n    \"white_circle\": \"26AA\",\n    \"black_circle\": \"26AB\",\n    \"coffin\": \"26B0-FE0F\",\n    \"funeral_urn\": \"26B1-FE0F\",\n    \"soccer\": \"26BD\",\n    \"baseball\": \"26BE\",\n    \"snowman_without_snow\": \"26C4\",\n    \"partly_sunny\": \"26C5\",\n    \"thunder_cloud_and_rain\": \"26C8-FE0F\",\n    \"ophiuchus\": \"26CE\",\n    \"pick\": \"26CF-FE0F\",\n    \"helmet_with_white_cross\": \"26D1-FE0F\",\n    \"chains\": \"26D3-FE0F\",\n    \"no_entry\": \"26D4\",\n    \"shinto_shrine\": \"26E9-FE0F\",\n    \"church\": \"26EA\",\n    \"mountain\": \"26F0-FE0F\",\n    \"umbrella_on_ground\": \"26F1-FE0F\",\n    \"fountain\": \"26F2\",\n    \"golf\": \"26F3\",\n    \"ferry\": \"26F4-FE0F\",\n    \"boat\": \"26F5\",\n    \"skier\": \"26F7-FE0F\",\n    \"ice_skate\": \"26F8-FE0F\",\n    \"woman-bouncing-ball\": \"26F9-FE0F-200D-2640-FE0F\",\n    \"man-bouncing-ball\": \"26F9-FE0F-200D-2642-FE0F\",\n    \"person_with_ball\": \"26F9-FE0F-200D-2642-FE0F\",\n    \"tent\": \"26FA\",\n    \"fuelpump\": \"26FD\",\n    \"scissors\": \"2702-FE0F\",\n    \"white_check_mark\": \"2705\",\n    \"airplane\": \"2708-FE0F\",\n    \"email\": \"2709-FE0F\",\n    \"fist\": \"270A\",\n    \"hand\": \"270B\",\n    \"v\": \"270C-FE0F\",\n    \"writing_hand\": \"270D-FE0F\",\n    \"pencil2\": \"270F-FE0F\",\n    \"black_nib\": \"2712-FE0F\",\n    \"heavy_check_mark\": \"2714-FE0F\",\n    \"heavy_multiplication_x\": \"2716-FE0F\",\n    \"latin_cross\": \"271D-FE0F\",\n    \"star_of_david\": \"2721-FE0F\",\n    \"sparkles\": \"2728\",\n    \"eight_spoked_asterisk\": \"2733-FE0F\",\n    \"eight_pointed_black_star\": \"2734-FE0F\",\n    \"snowflake\": \"2744-FE0F\",\n    \"sparkle\": \"2747-FE0F\",\n    \"x\": \"274C\",\n    \"negative_squared_cross_mark\": \"274E\",\n    \"question\": \"2753\",\n    \"grey_question\": \"2754\",\n    \"grey_exclamation\": \"2755\",\n    \"exclamation\": \"2757\",\n    \"heavy_heart_exclamation_mark_ornament\": \"2763-FE0F\",\n    \"heart\": \"2764-FE0F\",\n    \"heavy_plus_sign\": \"2795\",\n    \"heavy_minus_sign\": \"2796\",\n    \"heavy_division_sign\": \"2797\",\n    \"arrow_right\": \"27A1-FE0F\",\n    \"curly_loop\": \"27B0\",\n    \"loop\": \"27BF\",\n    \"arrow_heading_up\": \"2934-FE0F\",\n    \"arrow_heading_down\": \"2935-FE0F\",\n    \"arrow_left\": \"2B05-FE0F\",\n    \"arrow_up\": \"2B06-FE0F\",\n    \"arrow_down\": \"2B07-FE0F\",\n    \"black_large_square\": \"2B1B\",\n    \"white_large_square\": \"2B1C\",\n    \"star\": \"2B50\",\n    \"o\": \"2B55\",\n    \"wavy_dash\": \"3030-FE0F\",\n    \"part_alternation_mark\": \"303D-FE0F\",\n    \"congratulations\": \"3297-FE0F\",\n    \"secret\": \"3299-FE0F\"\n};\n"],"file":"data.min.js"}
\ No newline at end of file
+{"version":3,"file":"data.min.js","sources":["../../src/emoji/data.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji data based on the data available from https://github.com/iamcal/emoji-data.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nexport const byCategory = [\n    {\n        \"name\": \"Smileys & People\",\n        \"emojis\": [\n            {\n                \"unified\": \"1F600\",\n                \"shortnames\": [\n                    \"grinning\"\n                ]\n            },\n            {\n                \"unified\": \"1F601\",\n                \"shortnames\": [\n                    \"grin\"\n                ]\n            },\n            {\n                \"unified\": \"1F602\",\n                \"shortnames\": [\n                    \"joy\"\n                ]\n            },\n            {\n                \"unified\": \"1F923\",\n                \"shortnames\": [\n                    \"rolling_on_the_floor_laughing\"\n                ]\n            },\n            {\n                \"unified\": \"1F603\",\n                \"shortnames\": [\n                    \"smiley\"\n                ]\n            },\n            {\n                \"unified\": \"1F604\",\n                \"shortnames\": [\n                    \"smile\"\n                ]\n            },\n            {\n                \"unified\": \"1F605\",\n                \"shortnames\": [\n                    \"sweat_smile\"\n                ]\n            },\n            {\n                \"unified\": \"1F606\",\n                \"shortnames\": [\n                    \"laughing\"\n                ]\n            },\n            {\n                \"unified\": \"1F609\",\n                \"shortnames\": [\n                    \"wink\"\n                ]\n            },\n            {\n                \"unified\": \"1F60A\",\n                \"shortnames\": [\n                    \"blush\"\n                ]\n            },\n            {\n                \"unified\": \"1F60B\",\n                \"shortnames\": [\n                    \"yum\"\n                ]\n            },\n            {\n                \"unified\": \"1F60E\",\n                \"shortnames\": [\n                    \"sunglasses\"\n                ]\n            },\n            {\n                \"unified\": \"1F60D\",\n                \"shortnames\": [\n                    \"heart_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"1F618\",\n                \"shortnames\": [\n                    \"kissing_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F617\",\n                \"shortnames\": [\n                    \"kissing\"\n                ]\n            },\n            {\n                \"unified\": \"1F619\",\n                \"shortnames\": [\n                    \"kissing_smiling_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"1F61A\",\n                \"shortnames\": [\n                    \"kissing_closed_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"263A-FE0F\",\n                \"shortnames\": [\n                    \"relaxed\"\n                ]\n            },\n            {\n                \"unified\": \"1F642\",\n                \"shortnames\": [\n                    \"slightly_smiling_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F917\",\n                \"shortnames\": [\n                    \"hugging_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F929\",\n                \"shortnames\": [\n                    \"star-struck\"\n                ]\n            },\n            {\n                \"unified\": \"1F914\",\n                \"shortnames\": [\n                    \"thinking_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F928\",\n                \"shortnames\": [\n                    \"face_with_raised_eyebrow\"\n                ]\n            },\n            {\n                \"unified\": \"1F610\",\n                \"shortnames\": [\n                    \"neutral_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F611\",\n                \"shortnames\": [\n                    \"expressionless\"\n                ]\n            },\n            {\n                \"unified\": \"1F636\",\n                \"shortnames\": [\n                    \"no_mouth\"\n                ]\n            },\n            {\n                \"unified\": \"1F644\",\n                \"shortnames\": [\n                    \"face_with_rolling_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"1F60F\",\n                \"shortnames\": [\n                    \"smirk\"\n                ]\n            },\n            {\n                \"unified\": \"1F623\",\n                \"shortnames\": [\n                    \"persevere\"\n                ]\n            },\n            {\n                \"unified\": \"1F625\",\n                \"shortnames\": [\n                    \"disappointed_relieved\"\n                ]\n            },\n            {\n                \"unified\": \"1F62E\",\n                \"shortnames\": [\n                    \"open_mouth\"\n                ]\n            },\n            {\n                \"unified\": \"1F910\",\n                \"shortnames\": [\n                    \"zipper_mouth_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F62F\",\n                \"shortnames\": [\n                    \"hushed\"\n                ]\n            },\n            {\n                \"unified\": \"1F62A\",\n                \"shortnames\": [\n                    \"sleepy\"\n                ]\n            },\n            {\n                \"unified\": \"1F62B\",\n                \"shortnames\": [\n                    \"tired_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F634\",\n                \"shortnames\": [\n                    \"sleeping\"\n                ]\n            },\n            {\n                \"unified\": \"1F60C\",\n                \"shortnames\": [\n                    \"relieved\"\n                ]\n            },\n            {\n                \"unified\": \"1F61B\",\n                \"shortnames\": [\n                    \"stuck_out_tongue\"\n                ]\n            },\n            {\n                \"unified\": \"1F61C\",\n                \"shortnames\": [\n                    \"stuck_out_tongue_winking_eye\"\n                ]\n            },\n            {\n                \"unified\": \"1F61D\",\n                \"shortnames\": [\n                    \"stuck_out_tongue_closed_eyes\"\n                ]\n            },\n            {\n                \"unified\": \"1F924\",\n                \"shortnames\": [\n                    \"drooling_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F612\",\n                \"shortnames\": [\n                    \"unamused\"\n                ]\n            },\n            {\n                \"unified\": \"1F613\",\n                \"shortnames\": [\n                    \"sweat\"\n                ]\n            },\n            {\n                \"unified\": \"1F614\",\n                \"shortnames\": [\n                    \"pensive\"\n                ]\n            },\n            {\n                \"unified\": \"1F615\",\n                \"shortnames\": [\n                    \"confused\"\n                ]\n            },\n            {\n                \"unified\": \"1F643\",\n                \"shortnames\": [\n                    \"upside_down_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F911\",\n                \"shortnames\": [\n                    \"money_mouth_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F632\",\n                \"shortnames\": [\n                    \"astonished\"\n                ]\n            },\n            {\n                \"unified\": \"2639-FE0F\",\n                \"shortnames\": [\n                    \"white_frowning_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F641\",\n                \"shortnames\": [\n                    \"slightly_frowning_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F616\",\n                \"shortnames\": [\n                    \"confounded\"\n                ]\n            },\n            {\n                \"unified\": \"1F61E\",\n                \"shortnames\": [\n                    \"disappointed\"\n                ]\n            },\n            {\n                \"unified\": \"1F61F\",\n                \"shortnames\": [\n                    \"worried\"\n                ]\n            },\n            {\n                \"unified\": \"1F624\",\n                \"shortnames\": [\n                    \"triumph\"\n                ]\n            },\n            {\n                \"unified\": \"1F622\",\n                \"shortnames\": [\n                    \"cry\"\n                ]\n            },\n            {\n                \"unified\": \"1F62D\",\n                \"shortnames\": [\n                    \"sob\"\n                ]\n            },\n            {\n                \"unified\": \"1F626\",\n                \"shortnames\": [\n                    \"frowning\"\n                ]\n            },\n            {\n                \"unified\": \"1F627\",\n                \"shortnames\": [\n                    \"anguished\"\n                ]\n            },\n            {\n                \"unified\": \"1F628\",\n                \"shortnames\": [\n                    \"fearful\"\n                ]\n            },\n            {\n                \"unified\": \"1F629\",\n                \"shortnames\": [\n                    \"weary\"\n                ]\n            },\n            {\n                \"unified\": \"1F92F\",\n                \"shortnames\": [\n                    \"exploding_head\"\n                ]\n            },\n            {\n                \"unified\": \"1F62C\",\n                \"shortnames\": [\n                    \"grimacing\"\n                ]\n            },\n            {\n                \"unified\": \"1F630\",\n                \"shortnames\": [\n                    \"cold_sweat\"\n                ]\n            },\n            {\n                \"unified\": \"1F631\",\n                \"shortnames\": [\n                    \"scream\"\n                ]\n            },\n            {\n                \"unified\": \"1F633\",\n                \"shortnames\": [\n                    \"flushed\"\n                ]\n            },\n            {\n                \"unified\": \"1F92A\",\n                \"shortnames\": [\n                    \"zany_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F635\",\n                \"shortnames\": [\n                    \"dizzy_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F621\",\n                \"shortnames\": [\n                    \"rage\"\n                ]\n            },\n            {\n                \"unified\": \"1F620\",\n                \"shortnames\": [\n                    \"angry\"\n                ]\n            },\n            {\n                \"unified\": \"1F92C\",\n                \"shortnames\": [\n                    \"face_with_symbols_on_mouth\"\n                ]\n            },\n            {\n                \"unified\": \"1F637\",\n                \"shortnames\": [\n                    \"mask\"\n                ]\n            },\n            {\n                \"unified\": \"1F912\",\n                \"shortnames\": [\n                    \"face_with_thermometer\"\n                ]\n            },\n            {\n                \"unified\": \"1F915\",\n                \"shortnames\": [\n                    \"face_with_head_bandage\"\n                ]\n            },\n            {\n                \"unified\": \"1F922\",\n                \"shortnames\": [\n                    \"nauseated_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F92E\",\n                \"shortnames\": [\n                    \"face_vomiting\"\n                ]\n            },\n            {\n                \"unified\": \"1F927\",\n                \"shortnames\": [\n                    \"sneezing_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F607\",\n                \"shortnames\": [\n                    \"innocent\"\n                ]\n            },\n            {\n                \"unified\": \"1F920\",\n                \"shortnames\": [\n                    \"face_with_cowboy_hat\"\n                ]\n            },\n            {\n                \"unified\": \"1F921\",\n                \"shortnames\": [\n                    \"clown_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F925\",\n                \"shortnames\": [\n                    \"lying_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F92B\",\n                \"shortnames\": [\n                    \"shushing_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F92D\",\n                \"shortnames\": [\n                    \"face_with_hand_over_mouth\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D0\",\n                \"shortnames\": [\n                    \"face_with_monocle\"\n                ]\n            },\n            {\n                \"unified\": \"1F913\",\n                \"shortnames\": [\n                    \"nerd_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F608\",\n                \"shortnames\": [\n                    \"smiling_imp\"\n                ]\n            },\n            {\n                \"unified\": \"1F47F\",\n                \"shortnames\": [\n                    \"imp\"\n                ]\n            },\n            {\n                \"unified\": \"1F479\",\n                \"shortnames\": [\n                    \"japanese_ogre\"\n                ]\n            },\n            {\n                \"unified\": \"1F47A\",\n                \"shortnames\": [\n                    \"japanese_goblin\"\n                ]\n            },\n            {\n                \"unified\": \"1F480\",\n                \"shortnames\": [\n                    \"skull\"\n                ]\n            },\n            {\n                \"unified\": \"2620-FE0F\",\n                \"shortnames\": [\n                    \"skull_and_crossbones\"\n                ]\n            },\n            {\n                \"unified\": \"1F47B\",\n                \"shortnames\": [\n                    \"ghost\"\n                ]\n            },\n            {\n                \"unified\": \"1F47D\",\n                \"shortnames\": [\n                    \"alien\"\n                ]\n            },\n            {\n                \"unified\": \"1F47E\",\n                \"shortnames\": [\n                    \"space_invader\"\n                ]\n            },\n            {\n                \"unified\": \"1F916\",\n                \"shortnames\": [\n                    \"robot_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F4A9\",\n                \"shortnames\": [\n                    \"hankey\"\n                ]\n            },\n            {\n                \"unified\": \"1F63A\",\n                \"shortnames\": [\n                    \"smiley_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F638\",\n                \"shortnames\": [\n                    \"smile_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F639\",\n                \"shortnames\": [\n                    \"joy_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F63B\",\n                \"shortnames\": [\n                    \"heart_eyes_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F63C\",\n                \"shortnames\": [\n                    \"smirk_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F63D\",\n                \"shortnames\": [\n                    \"kissing_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F640\",\n                \"shortnames\": [\n                    \"scream_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F63F\",\n                \"shortnames\": [\n                    \"crying_cat_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F63E\",\n                \"shortnames\": [\n                    \"pouting_cat\"\n                ]\n            },\n            {\n                \"unified\": \"1F648\",\n                \"shortnames\": [\n                    \"see_no_evil\"\n                ]\n            },\n            {\n                \"unified\": \"1F649\",\n                \"shortnames\": [\n                    \"hear_no_evil\"\n                ]\n            },\n            {\n                \"unified\": \"1F64A\",\n                \"shortnames\": [\n                    \"speak_no_evil\"\n                ]\n            },\n            {\n                \"unified\": \"1F476\",\n                \"shortnames\": [\n                    \"baby\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D2\",\n                \"shortnames\": [\n                    \"child\"\n                ]\n            },\n            {\n                \"unified\": \"1F466\",\n                \"shortnames\": [\n                    \"boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F467\",\n                \"shortnames\": [\n                    \"girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D1\",\n                \"shortnames\": [\n                    \"adult\"\n                ]\n            },\n            {\n                \"unified\": \"1F468\",\n                \"shortnames\": [\n                    \"man\"\n                ]\n            },\n            {\n                \"unified\": \"1F469\",\n                \"shortnames\": [\n                    \"woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D3\",\n                \"shortnames\": [\n                    \"older_adult\"\n                ]\n            },\n            {\n                \"unified\": \"1F474\",\n                \"shortnames\": [\n                    \"older_man\"\n                ]\n            },\n            {\n                \"unified\": \"1F475\",\n                \"shortnames\": [\n                    \"older_woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2695-FE0F\",\n                \"shortnames\": [\n                    \"male-doctor\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2695-FE0F\",\n                \"shortnames\": [\n                    \"female-doctor\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F393\",\n                \"shortnames\": [\n                    \"male-student\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F393\",\n                \"shortnames\": [\n                    \"female-student\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F3EB\",\n                \"shortnames\": [\n                    \"male-teacher\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F3EB\",\n                \"shortnames\": [\n                    \"female-teacher\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2696-FE0F\",\n                \"shortnames\": [\n                    \"male-judge\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2696-FE0F\",\n                \"shortnames\": [\n                    \"female-judge\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F33E\",\n                \"shortnames\": [\n                    \"male-farmer\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F33E\",\n                \"shortnames\": [\n                    \"female-farmer\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F373\",\n                \"shortnames\": [\n                    \"male-cook\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F373\",\n                \"shortnames\": [\n                    \"female-cook\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F527\",\n                \"shortnames\": [\n                    \"male-mechanic\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F527\",\n                \"shortnames\": [\n                    \"female-mechanic\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F3ED\",\n                \"shortnames\": [\n                    \"male-factory-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F3ED\",\n                \"shortnames\": [\n                    \"female-factory-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F4BC\",\n                \"shortnames\": [\n                    \"male-office-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F4BC\",\n                \"shortnames\": [\n                    \"female-office-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F52C\",\n                \"shortnames\": [\n                    \"male-scientist\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F52C\",\n                \"shortnames\": [\n                    \"female-scientist\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F4BB\",\n                \"shortnames\": [\n                    \"male-technologist\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F4BB\",\n                \"shortnames\": [\n                    \"female-technologist\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F3A4\",\n                \"shortnames\": [\n                    \"male-singer\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F3A4\",\n                \"shortnames\": [\n                    \"female-singer\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F3A8\",\n                \"shortnames\": [\n                    \"male-artist\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F3A8\",\n                \"shortnames\": [\n                    \"female-artist\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2708-FE0F\",\n                \"shortnames\": [\n                    \"male-pilot\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2708-FE0F\",\n                \"shortnames\": [\n                    \"female-pilot\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F680\",\n                \"shortnames\": [\n                    \"male-astronaut\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F680\",\n                \"shortnames\": [\n                    \"female-astronaut\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F692\",\n                \"shortnames\": [\n                    \"male-firefighter\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F692\",\n                \"shortnames\": [\n                    \"female-firefighter\"\n                ]\n            },\n            {\n                \"unified\": \"1F46E-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male-police-officer\",\n                    \"cop\"\n                ]\n            },\n            {\n                \"unified\": \"1F46E-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female-police-officer\"\n                ]\n            },\n            {\n                \"unified\": \"1F575-FE0F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male-detective\",\n                    \"sleuth_or_spy\"\n                ]\n            },\n            {\n                \"unified\": \"1F575-FE0F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female-detective\"\n                ]\n            },\n            {\n                \"unified\": \"1F482-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male-guard\",\n                    \"guardsman\"\n                ]\n            },\n            {\n                \"unified\": \"1F482-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female-guard\"\n                ]\n            },\n            {\n                \"unified\": \"1F477-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male-construction-worker\",\n                    \"construction_worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F477-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female-construction-worker\"\n                ]\n            },\n            {\n                \"unified\": \"1F934\",\n                \"shortnames\": [\n                    \"prince\"\n                ]\n            },\n            {\n                \"unified\": \"1F478\",\n                \"shortnames\": [\n                    \"princess\"\n                ]\n            },\n            {\n                \"unified\": \"1F473-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-wearing-turban\",\n                    \"man_with_turban\"\n                ]\n            },\n            {\n                \"unified\": \"1F473-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-wearing-turban\"\n                ]\n            },\n            {\n                \"unified\": \"1F472\",\n                \"shortnames\": [\n                    \"man_with_gua_pi_mao\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D5\",\n                \"shortnames\": [\n                    \"person_with_headscarf\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D4\",\n                \"shortnames\": [\n                    \"bearded_person\"\n                ]\n            },\n            {\n                \"unified\": \"1F471-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"blond-haired-man\",\n                    \"person_with_blond_hair\"\n                ]\n            },\n            {\n                \"unified\": \"1F471-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"blond-haired-woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F935\",\n                \"shortnames\": [\n                    \"man_in_tuxedo\"\n                ]\n            },\n            {\n                \"unified\": \"1F470\",\n                \"shortnames\": [\n                    \"bride_with_veil\"\n                ]\n            },\n            {\n                \"unified\": \"1F930\",\n                \"shortnames\": [\n                    \"pregnant_woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F931\",\n                \"shortnames\": [\n                    \"breast-feeding\"\n                ]\n            },\n            {\n                \"unified\": \"1F47C\",\n                \"shortnames\": [\n                    \"angel\"\n                ]\n            },\n            {\n                \"unified\": \"1F385\",\n                \"shortnames\": [\n                    \"santa\"\n                ]\n            },\n            {\n                \"unified\": \"1F936\",\n                \"shortnames\": [\n                    \"mrs_claus\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D9-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_mage\",\n                    \"mage\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D9-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_mage\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DA-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_fairy\",\n                    \"fairy\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DA-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_fairy\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DB-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_vampire\",\n                    \"vampire\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DB-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_vampire\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DC-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"mermaid\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DC-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"merman\",\n                    \"merperson\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DD-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_elf\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DD-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_elf\",\n                    \"elf\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DE-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_genie\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DE-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_genie\",\n                    \"genie\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DF-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"female_zombie\"\n                ]\n            },\n            {\n                \"unified\": \"1F9DF-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"male_zombie\",\n                    \"zombie\"\n                ]\n            },\n            {\n                \"unified\": \"1F64D-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-frowning\"\n                ]\n            },\n            {\n                \"unified\": \"1F64D-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-frowning\",\n                    \"person_frowning\"\n                ]\n            },\n            {\n                \"unified\": \"1F64E-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-pouting\"\n                ]\n            },\n            {\n                \"unified\": \"1F64E-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-pouting\",\n                    \"person_with_pouting_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F645-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-gesturing-no\"\n                ]\n            },\n            {\n                \"unified\": \"1F645-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-gesturing-no\",\n                    \"no_good\"\n                ]\n            },\n            {\n                \"unified\": \"1F646-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-gesturing-ok\"\n                ]\n            },\n            {\n                \"unified\": \"1F646-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-gesturing-ok\",\n                    \"ok_woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F481-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-tipping-hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F481-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-tipping-hand\",\n                    \"information_desk_person\"\n                ]\n            },\n            {\n                \"unified\": \"1F64B-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-raising-hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F64B-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-raising-hand\",\n                    \"raising_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F647-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-bowing\",\n                    \"bow\"\n                ]\n            },\n            {\n                \"unified\": \"1F647-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-bowing\"\n                ]\n            },\n            {\n                \"unified\": \"1F926\",\n                \"shortnames\": [\n                    \"face_palm\"\n                ]\n            },\n            {\n                \"unified\": \"1F926-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-facepalming\"\n                ]\n            },\n            {\n                \"unified\": \"1F926-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-facepalming\"\n                ]\n            },\n            {\n                \"unified\": \"1F937\",\n                \"shortnames\": [\n                    \"shrug\"\n                ]\n            },\n            {\n                \"unified\": \"1F937-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-shrugging\"\n                ]\n            },\n            {\n                \"unified\": \"1F937-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-shrugging\"\n                ]\n            },\n            {\n                \"unified\": \"1F486-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-getting-massage\"\n                ]\n            },\n            {\n                \"unified\": \"1F486-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-getting-massage\",\n                    \"massage\"\n                ]\n            },\n            {\n                \"unified\": \"1F487-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-getting-haircut\"\n                ]\n            },\n            {\n                \"unified\": \"1F487-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-getting-haircut\",\n                    \"haircut\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B6-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-walking\",\n                    \"walking\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B6-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-walking\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C3-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-running\",\n                    \"runner\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C3-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-running\"\n                ]\n            },\n            {\n                \"unified\": \"1F483\",\n                \"shortnames\": [\n                    \"dancer\"\n                ]\n            },\n            {\n                \"unified\": \"1F57A\",\n                \"shortnames\": [\n                    \"man_dancing\"\n                ]\n            },\n            {\n                \"unified\": \"1F46F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-with-bunny-ears-partying\"\n                ]\n            },\n            {\n                \"unified\": \"1F46F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-with-bunny-ears-partying\",\n                    \"dancers\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D6-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman_in_steamy_room\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D6-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man_in_steamy_room\",\n                    \"person_in_steamy_room\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D7-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman_climbing\",\n                    \"person_climbing\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D7-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man_climbing\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D8-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman_in_lotus_position\",\n                    \"person_in_lotus_position\"\n                ]\n            },\n            {\n                \"unified\": \"1F9D8-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man_in_lotus_position\"\n                ]\n            },\n            {\n                \"unified\": \"1F6C0\",\n                \"shortnames\": [\n                    \"bath\"\n                ]\n            },\n            {\n                \"unified\": \"1F6CC\",\n                \"shortnames\": [\n                    \"sleeping_accommodation\"\n                ]\n            },\n            {\n                \"unified\": \"1F574-FE0F\",\n                \"shortnames\": [\n                    \"man_in_business_suit_levitating\"\n                ]\n            },\n            {\n                \"unified\": \"1F5E3-FE0F\",\n                \"shortnames\": [\n                    \"speaking_head_in_silhouette\"\n                ]\n            },\n            {\n                \"unified\": \"1F464\",\n                \"shortnames\": [\n                    \"bust_in_silhouette\"\n                ]\n            },\n            {\n                \"unified\": \"1F465\",\n                \"shortnames\": [\n                    \"busts_in_silhouette\"\n                ]\n            },\n            {\n                \"unified\": \"1F93A\",\n                \"shortnames\": [\n                    \"fencer\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C7\",\n                \"shortnames\": [\n                    \"horse_racing\"\n                ]\n            },\n            {\n                \"unified\": \"26F7-FE0F\",\n                \"shortnames\": [\n                    \"skier\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C2\",\n                \"shortnames\": [\n                    \"snowboarder\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CC-FE0F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-golfing\",\n                    \"golfer\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CC-FE0F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-golfing\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C4-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-surfing\",\n                    \"surfer\"\n                ]\n            },\n            {\n                \"unified\": \"1F3C4-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-surfing\"\n                ]\n            },\n            {\n                \"unified\": \"1F6A3-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-rowing-boat\",\n                    \"rowboat\"\n                ]\n            },\n            {\n                \"unified\": \"1F6A3-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-rowing-boat\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CA-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-swimming\",\n                    \"swimmer\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CA-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-swimming\"\n                ]\n            },\n            {\n                \"unified\": \"26F9-FE0F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-bouncing-ball\",\n                    \"person_with_ball\"\n                ]\n            },\n            {\n                \"unified\": \"26F9-FE0F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-bouncing-ball\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CB-FE0F-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-lifting-weights\",\n                    \"weight_lifter\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CB-FE0F-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-lifting-weights\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B4-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-biking\",\n                    \"bicyclist\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B4-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-biking\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B5-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-mountain-biking\",\n                    \"mountain_bicyclist\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B5-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-mountain-biking\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CE-FE0F\",\n                \"shortnames\": [\n                    \"racing_car\"\n                ]\n            },\n            {\n                \"unified\": \"1F3CD-FE0F\",\n                \"shortnames\": [\n                    \"racing_motorcycle\"\n                ]\n            },\n            {\n                \"unified\": \"1F938\",\n                \"shortnames\": [\n                    \"person_doing_cartwheel\"\n                ]\n            },\n            {\n                \"unified\": \"1F938-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-cartwheeling\"\n                ]\n            },\n            {\n                \"unified\": \"1F938-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-cartwheeling\"\n                ]\n            },\n            {\n                \"unified\": \"1F93C\",\n                \"shortnames\": [\n                    \"wrestlers\"\n                ]\n            },\n            {\n                \"unified\": \"1F93C-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-wrestling\"\n                ]\n            },\n            {\n                \"unified\": \"1F93C-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-wrestling\"\n                ]\n            },\n            {\n                \"unified\": \"1F93D\",\n                \"shortnames\": [\n                    \"water_polo\"\n                ]\n            },\n            {\n                \"unified\": \"1F93D-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-playing-water-polo\"\n                ]\n            },\n            {\n                \"unified\": \"1F93D-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-playing-water-polo\"\n                ]\n            },\n            {\n                \"unified\": \"1F93E\",\n                \"shortnames\": [\n                    \"handball\"\n                ]\n            },\n            {\n                \"unified\": \"1F93E-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-playing-handball\"\n                ]\n            },\n            {\n                \"unified\": \"1F93E-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-playing-handball\"\n                ]\n            },\n            {\n                \"unified\": \"1F939\",\n                \"shortnames\": [\n                    \"juggling\"\n                ]\n            },\n            {\n                \"unified\": \"1F939-200D-2642-FE0F\",\n                \"shortnames\": [\n                    \"man-juggling\"\n                ]\n            },\n            {\n                \"unified\": \"1F939-200D-2640-FE0F\",\n                \"shortnames\": [\n                    \"woman-juggling\"\n                ]\n            },\n            {\n                \"unified\": \"1F46B\",\n                \"shortnames\": [\n                    \"couple\"\n                ]\n            },\n            {\n                \"unified\": \"1F46C\",\n                \"shortnames\": [\n                    \"two_men_holding_hands\"\n                ]\n            },\n            {\n                \"unified\": \"1F46D\",\n                \"shortnames\": [\n                    \"two_women_holding_hands\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F468\",\n                \"shortnames\": [\n                    \"woman-kiss-man\",\n                    \"couplekiss\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2764-FE0F-200D-1F48B-200D-1F468\",\n                \"shortnames\": [\n                    \"man-kiss-man\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F469\",\n                \"shortnames\": [\n                    \"woman-kiss-woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2764-FE0F-200D-1F468\",\n                \"shortnames\": [\n                    \"woman-heart-man\",\n                    \"couple_with_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-2764-FE0F-200D-1F468\",\n                \"shortnames\": [\n                    \"man-heart-man\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-2764-FE0F-200D-1F469\",\n                \"shortnames\": [\n                    \"woman-heart-woman\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F466\",\n                \"shortnames\": [\n                    \"man-woman-boy\",\n                    \"family\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F467\",\n                \"shortnames\": [\n                    \"man-woman-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"man-woman-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"man-woman-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F469-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"man-woman-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F466\",\n                \"shortnames\": [\n                    \"man-man-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F467\",\n                \"shortnames\": [\n                    \"man-man-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"man-man-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"man-man-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F468-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"man-man-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-woman-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F467\",\n                \"shortnames\": [\n                    \"woman-woman-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-woman-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-woman-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F469-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"woman-woman-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F466\",\n                \"shortnames\": [\n                    \"man-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"man-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F467\",\n                \"shortnames\": [\n                    \"man-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"man-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F468-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"man-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F466-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-boy-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F467\",\n                \"shortnames\": [\n                    \"woman-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F467-200D-1F466\",\n                \"shortnames\": [\n                    \"woman-girl-boy\"\n                ]\n            },\n            {\n                \"unified\": \"1F469-200D-1F467-200D-1F467\",\n                \"shortnames\": [\n                    \"woman-girl-girl\"\n                ]\n            },\n            {\n                \"unified\": \"1F933\",\n                \"shortnames\": [\n                    \"selfie\"\n                ]\n            },\n            {\n                \"unified\": \"1F4AA\",\n                \"shortnames\": [\n                    \"muscle\"\n                ]\n            },\n            {\n                \"unified\": \"1F448\",\n                \"shortnames\": [\n                    \"point_left\"\n                ]\n            },\n            {\n                \"unified\": \"1F449\",\n                \"shortnames\": [\n                    \"point_right\"\n                ]\n            },\n            {\n                \"unified\": \"261D-FE0F\",\n                \"shortnames\": [\n                    \"point_up\"\n                ]\n            },\n            {\n                \"unified\": \"1F446\",\n                \"shortnames\": [\n                    \"point_up_2\"\n                ]\n            },\n            {\n                \"unified\": \"1F595\",\n                \"shortnames\": [\n                    \"middle_finger\"\n                ]\n            },\n            {\n                \"unified\": \"1F447\",\n                \"shortnames\": [\n                    \"point_down\"\n                ]\n            },\n            {\n                \"unified\": \"270C-FE0F\",\n                \"shortnames\": [\n                    \"v\"\n                ]\n            },\n            {\n                \"unified\": \"1F91E\",\n                \"shortnames\": [\n                    \"crossed_fingers\"\n                ]\n            },\n            {\n                \"unified\": \"1F596\",\n                \"shortnames\": [\n                    \"spock-hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F918\",\n                \"shortnames\": [\n                    \"the_horns\"\n                ]\n            },\n            {\n                \"unified\": \"1F919\",\n                \"shortnames\": [\n                    \"call_me_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F590-FE0F\",\n                \"shortnames\": [\n                    \"raised_hand_with_fingers_splayed\"\n                ]\n            },\n            {\n                \"unified\": \"270B\",\n                \"shortnames\": [\n                    \"hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F44C\",\n                \"shortnames\": [\n                    \"ok_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F44D\",\n                \"shortnames\": [\n                    \"+1\"\n                ]\n            },\n            {\n                \"unified\": \"1F44E\",\n                \"shortnames\": [\n                    \"-1\"\n                ]\n            },\n            {\n                \"unified\": \"270A\",\n                \"shortnames\": [\n                    \"fist\"\n                ]\n            },\n            {\n                \"unified\": \"1F44A\",\n                \"shortnames\": [\n                    \"facepunch\"\n                ]\n            },\n            {\n                \"unified\": \"1F91B\",\n                \"shortnames\": [\n                    \"left-facing_fist\"\n                ]\n            },\n            {\n                \"unified\": \"1F91C\",\n                \"shortnames\": [\n                    \"right-facing_fist\"\n                ]\n            },\n            {\n                \"unified\": \"1F91A\",\n                \"shortnames\": [\n                    \"raised_back_of_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F44B\",\n                \"shortnames\": [\n                    \"wave\"\n                ]\n            },\n            {\n                \"unified\": \"1F91F\",\n                \"shortnames\": [\n                    \"i_love_you_hand_sign\"\n                ]\n            },\n            {\n                \"unified\": \"270D-FE0F\",\n                \"shortnames\": [\n                    \"writing_hand\"\n                ]\n            },\n            {\n                \"unified\": \"1F44F\",\n                \"shortnames\": [\n                    \"clap\"\n                ]\n            },\n            {\n                \"unified\": \"1F450\",\n                \"shortnames\": [\n                    \"open_hands\"\n                ]\n            },\n            {\n                \"unified\": \"1F64C\",\n                \"shortnames\": [\n                    \"raised_hands\"\n                ]\n            },\n            {\n                \"unified\": \"1F932\",\n                \"shortnames\": [\n                    \"palms_up_together\"\n                ]\n            },\n            {\n                \"unified\": \"1F64F\",\n                \"shortnames\": [\n                    \"pray\"\n                ]\n            },\n            {\n                \"unified\": \"1F91D\",\n                \"shortnames\": [\n                    \"handshake\"\n                ]\n            },\n            {\n                \"unified\": \"1F485\",\n                \"shortnames\": [\n                    \"nail_care\"\n                ]\n            },\n            {\n                \"unified\": \"1F442\",\n                \"shortnames\": [\n                    \"ear\"\n                ]\n            },\n            {\n                \"unified\": \"1F443\",\n          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\"shortnames\": [\n                    \"tongue\"\n                ]\n            },\n            {\n                \"unified\": \"1F444\",\n                \"shortnames\": [\n                    \"lips\"\n                ]\n            },\n            {\n                \"unified\": \"1F48B\",\n                \"shortnames\": [\n                    \"kiss\"\n                ]\n            },\n            {\n                \"unified\": \"1F498\",\n                \"shortnames\": [\n                    \"cupid\"\n                ]\n            },\n            {\n                \"unified\": \"2764-FE0F\",\n                \"shortnames\": [\n                    \"heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F493\",\n                \"shortnames\": [\n                    \"heartbeat\"\n                ]\n            },\n            {\n                \"unified\": \"1F494\",\n                \"shortnames\": [\n                    \"broken_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F495\",\n                \"shortnames\": [\n                    \"two_hearts\"\n                ]\n            },\n            {\n                \"unified\": \"1F496\",\n                \"shortnames\": [\n                    \"sparkling_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F497\",\n                \"shortnames\": [\n                    \"heartpulse\"\n                ]\n            },\n            {\n                \"unified\": \"1F499\",\n                \"shortnames\": [\n                    \"blue_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F49A\",\n                \"shortnames\": [\n                    \"green_heart\"\n                ]\n            },\n            {\n                \"unified\": \"1F49B\",\n                \"shortnames\": [\n                    \"yellow_heart\"\n   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\"unified\": \"1F456\",\n                \"shortnames\": [\n                    \"jeans\"\n                ]\n            },\n            {\n                \"unified\": \"1F9E3\",\n                \"shortnames\": [\n                    \"scarf\"\n                ]\n            },\n            {\n                \"unified\": \"1F9E4\",\n                \"shortnames\": [\n                    \"gloves\"\n                ]\n            },\n            {\n                \"unified\": \"1F9E5\",\n                \"shortnames\": [\n                    \"coat\"\n                ]\n            },\n            {\n                \"unified\": \"1F9E6\",\n                \"shortnames\": [\n                    \"socks\"\n                ]\n            },\n            {\n                \"unified\": \"1F457\",\n                \"shortnames\": [\n                    \"dress\"\n                ]\n            },\n            {\n                \"unified\": \"1F458\",\n                \"shortnames\": 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\"shopping_bags\"\n                ]\n            },\n            {\n                \"unified\": \"1F392\",\n                \"shortnames\": [\n                    \"school_satchel\"\n                ]\n            },\n            {\n                \"unified\": \"1F45E\",\n                \"shortnames\": [\n                    \"mans_shoe\"\n                ]\n            },\n            {\n                \"unified\": \"1F45F\",\n                \"shortnames\": [\n                    \"athletic_shoe\"\n                ]\n            },\n            {\n                \"unified\": \"1F460\",\n                \"shortnames\": [\n                    \"high_heel\"\n                ]\n            },\n            {\n                \"unified\": \"1F461\",\n                \"shortnames\": [\n                    \"sandal\"\n                ]\n            },\n            {\n                \"unified\": \"1F462\",\n                \"shortnames\": [\n                    \"boot\"\n               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},\n            {\n                \"unified\": \"1F4FF\",\n                \"shortnames\": [\n                    \"prayer_beads\"\n                ]\n            },\n            {\n                \"unified\": \"1F484\",\n                \"shortnames\": [\n                    \"lipstick\"\n                ]\n            },\n            {\n                \"unified\": \"1F48D\",\n                \"shortnames\": [\n                    \"ring\"\n                ]\n            },\n            {\n                \"unified\": \"1F48E\",\n                \"shortnames\": [\n                    \"gem\"\n                ]\n            }\n        ]\n    },\n    {\n        \"name\": \"Animals & Nature\",\n        \"emojis\": [\n            {\n                \"unified\": \"1F435\",\n                \"shortnames\": [\n                    \"monkey_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F412\",\n                \"shortnames\": [\n                   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\"snake\"\n                ]\n            },\n            {\n                \"unified\": \"1F432\",\n                \"shortnames\": [\n                    \"dragon_face\"\n                ]\n            },\n            {\n                \"unified\": \"1F409\",\n                \"shortnames\": [\n                    \"dragon\"\n                ]\n            },\n            {\n                \"unified\": \"1F995\",\n                \"shortnames\": [\n                    \"sauropod\"\n                ]\n            },\n            {\n                \"unified\": \"1F996\",\n                \"shortnames\": [\n                    \"t-rex\"\n                ]\n            },\n            {\n                \"unified\": \"1F433\",\n                \"shortnames\": [\n                    \"whale\"\n                ]\n            },\n            {\n                \"unified\": \"1F40B\",\n                \"shortnames\": [\n                    \"whale2\"\n                ]\n            },\n  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\"1F41A\",\n                \"shortnames\": [\n                    \"shell\"\n                ]\n            },\n            {\n                \"unified\": \"1F980\",\n                \"shortnames\": [\n                    \"crab\"\n                ]\n            },\n            {\n                \"unified\": \"1F990\",\n                \"shortnames\": [\n                    \"shrimp\"\n                ]\n            },\n            {\n                \"unified\": \"1F991\",\n                \"shortnames\": [\n                    \"squid\"\n                ]\n            },\n            {\n                \"unified\": \"1F40C\",\n                \"shortnames\": [\n                    \"snail\"\n                ]\n            },\n            {\n                \"unified\": \"1F98B\",\n                \"shortnames\": [\n                    \"butterfly\"\n                ]\n            },\n            {\n                \"unified\": \"1F41B\",\n                \"shortnames\": [\n        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\"shortnames\": [\n                    \"shamrock\"\n                ]\n            },\n            {\n                \"unified\": \"1F340\",\n                \"shortnames\": [\n                    \"four_leaf_clover\"\n                ]\n            },\n            {\n                \"unified\": \"1F341\",\n                \"shortnames\": [\n                    \"maple_leaf\"\n                ]\n            },\n            {\n                \"unified\": \"1F342\",\n                \"shortnames\": [\n                    \"fallen_leaf\"\n                ]\n            },\n            {\n                \"unified\": \"1F343\",\n                \"shortnames\": [\n                    \"leaves\"\n                ]\n            }\n        ]\n    },\n    {\n        \"name\": \"Food & Drink\",\n        \"emojis\": [\n            {\n                \"unified\": \"1F347\",\n                \"shortnames\": [\n                    \"grapes\"\n                ]\n            },\n            {\n    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]\n            },\n            {\n                \"unified\": \"1F4F0\",\n                \"shortnames\": [\n                    \"newspaper\"\n                ]\n            },\n            {\n                \"unified\": \"1F5DE-FE0F\",\n                \"shortnames\": [\n                    \"rolled_up_newspaper\"\n                ]\n            },\n            {\n                \"unified\": \"1F4D1\",\n                \"shortnames\": [\n                    \"bookmark_tabs\"\n                ]\n            },\n            {\n                \"unified\": \"1F516\",\n                \"shortnames\": [\n                    \"bookmark\"\n                ]\n            },\n            {\n                \"unified\": \"1F3F7-FE0F\",\n                \"shortnames\": [\n                    \"label\"\n                ]\n            },\n            {\n                \"unified\": \"1F4B0\",\n                \"shortnames\": [\n                    \"moneybag\"\n                ]\n            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{\n                \"unified\": \"1F3E7\",\n                \"shortnames\": [\n                    \"atm\"\n                ]\n            },\n            {\n                \"unified\": \"1F6AE\",\n                \"shortnames\": [\n                    \"put_litter_in_its_place\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B0\",\n                \"shortnames\": [\n                    \"potable_water\"\n                ]\n            },\n            {\n                \"unified\": \"267F\",\n                \"shortnames\": [\n                    \"wheelchair\"\n                ]\n            },\n            {\n                \"unified\": \"1F6B9\",\n                \"shortnames\": [\n                    \"mens\"\n                ]\n            },\n            {\n                \"unified\": \"1F6BA\",\n                \"shortnames\": [\n                    \"womens\"\n                ]\n            },\n            {\n                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\"twisted_rightwards_arrows\"\n                ]\n            },\n            {\n                \"unified\": \"1F501\",\n                \"shortnames\": [\n                    \"repeat\"\n                ]\n            },\n            {\n                \"unified\": \"1F502\",\n                \"shortnames\": [\n                    \"repeat_one\"\n                ]\n            },\n            {\n                \"unified\": \"25B6-FE0F\",\n                \"shortnames\": [\n                    \"arrow_forward\"\n                ]\n            },\n            {\n                \"unified\": \"23E9\",\n                \"shortnames\": [\n                    \"fast_forward\"\n                ]\n            },\n            {\n                \"unified\": \"23ED-FE0F\",\n                \"shortnames\": [\n                    \"black_right_pointing_double_triangle_with_vertical_bar\"\n                ]\n            },\n            {\n                \"unified\": \"23EF-FE0F\",\n             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\"1F1F9-1F1F2\",\n                \"shortnames\": [\n                    \"flag-tm\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1F3\",\n                \"shortnames\": [\n                    \"flag-tn\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1F4\",\n                \"shortnames\": [\n                    \"flag-to\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1F7\",\n                \"shortnames\": [\n                    \"flag-tr\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1F9\",\n                \"shortnames\": [\n                    \"flag-tt\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1FB\",\n                \"shortnames\": [\n                    \"flag-tv\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1FC\",\n                \"shortnames\": [\n                    \"flag-tw\"\n                ]\n            },\n            {\n                \"unified\": \"1F1F9-1F1FF\",\n                \"shortnames\": [\n                    \"flag-tz\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1E6\",\n                \"shortnames\": [\n                    \"flag-ua\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1EC\",\n                \"shortnames\": [\n                    \"flag-ug\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1F2\",\n                \"shortnames\": [\n                    \"flag-um\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1F3\",\n                \"shortnames\": [\n                    \"flag-un\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1F8\",\n                \"shortnames\": [\n                    \"us\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1FE\",\n                \"shortnames\": [\n                    \"flag-uy\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FA-1F1FF\",\n                \"shortnames\": [\n                    \"flag-uz\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1E6\",\n                \"shortnames\": [\n                    \"flag-va\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1E8\",\n                \"shortnames\": [\n                    \"flag-vc\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1EA\",\n                \"shortnames\": [\n                    \"flag-ve\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1EC\",\n                \"shortnames\": [\n                    \"flag-vg\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1EE\",\n                \"shortnames\": [\n                    \"flag-vi\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1F3\",\n                \"shortnames\": [\n                    \"flag-vn\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FB-1F1FA\",\n                \"shortnames\": [\n                    \"flag-vu\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FC-1F1EB\",\n                \"shortnames\": [\n                    \"flag-wf\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FC-1F1F8\",\n                \"shortnames\": [\n                    \"flag-ws\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FD-1F1F0\",\n                \"shortnames\": [\n                    \"flag-xk\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FE-1F1EA\",\n                \"shortnames\": [\n                    \"flag-ye\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FE-1F1F9\",\n                \"shortnames\": [\n                    \"flag-yt\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FF-1F1E6\",\n                \"shortnames\": [\n                    \"flag-za\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FF-1F1F2\",\n                \"shortnames\": [\n                    \"flag-zm\"\n                ]\n            },\n            {\n                \"unified\": \"1F1FF-1F1FC\",\n                \"shortnames\": [\n                    \"flag-zw\"\n                ]\n            },\n            {\n                \"unified\": \"1F3F4-E0067-E0062-E0065-E006E-E0067-E007F\",\n                \"shortnames\": [\n                    \"flag-england\"\n                ]\n            },\n            {\n                \"unified\": \"1F3F4-E0067-E0062-E0073-E0063-E0074-E007F\",\n                \"shortnames\": [\n                    \"flag-scotland\"\n                ]\n            },\n            {\n                \"unified\": \"1F3F4-E0067-E0062-E0077-E006C-E0073-E007F\",\n                \"shortnames\": [\n                    \"flag-wales\"\n                ]\n            }\n        ]\n    }\n];\n\nexport const byShortName = {\n    \"hash\": \"0023-FE0F-20E3\",\n    \"keycap_star\": \"002A-FE0F-20E3\",\n    \"zero\": \"0030-FE0F-20E3\",\n    \"one\": \"0031-FE0F-20E3\",\n    \"two\": \"0032-FE0F-20E3\",\n    \"three\": \"0033-FE0F-20E3\",\n    \"four\": \"0034-FE0F-20E3\",\n    \"five\": \"0035-FE0F-20E3\",\n    \"six\": \"0036-FE0F-20E3\",\n    \"seven\": \"0037-FE0F-20E3\",\n    \"eight\": \"0038-FE0F-20E3\",\n    \"nine\": \"0039-FE0F-20E3\",\n    \"copyright\": \"00A9-FE0F\",\n    \"registered\": \"00AE-FE0F\",\n    \"mahjong\": \"1F004\",\n    \"black_joker\": \"1F0CF\",\n    \"a\": \"1F170-FE0F\",\n    \"b\": \"1F171-FE0F\",\n    \"o2\": \"1F17E-FE0F\",\n    \"parking\": \"1F17F-FE0F\",\n    \"ab\": \"1F18E\",\n    \"cl\": \"1F191\",\n    \"cool\": \"1F192\",\n    \"free\": \"1F193\",\n    \"id\": \"1F194\",\n    \"new\": \"1F195\",\n    \"ng\": \"1F196\",\n    \"ok\": \"1F197\",\n    \"sos\": \"1F198\",\n    \"up\": \"1F199\",\n    \"vs\": \"1F19A\",\n    \"flag-ac\": \"1F1E6-1F1E8\",\n    \"flag-ad\": \"1F1E6-1F1E9\",\n    \"flag-ae\": \"1F1E6-1F1EA\",\n    \"flag-af\": \"1F1E6-1F1EB\",\n    \"flag-ag\": \"1F1E6-1F1EC\",\n    \"flag-ai\": \"1F1E6-1F1EE\",\n    \"flag-al\": \"1F1E6-1F1F1\",\n    \"flag-am\": \"1F1E6-1F1F2\",\n    \"flag-ao\": \"1F1E6-1F1F4\",\n    \"flag-aq\": \"1F1E6-1F1F6\",\n    \"flag-ar\": \"1F1E6-1F1F7\",\n    \"flag-as\": \"1F1E6-1F1F8\",\n    \"flag-at\": \"1F1E6-1F1F9\",\n    \"flag-au\": \"1F1E6-1F1FA\",\n    \"flag-aw\": \"1F1E6-1F1FC\",\n    \"flag-ax\": \"1F1E6-1F1FD\",\n    \"flag-az\": \"1F1E6-1F1FF\",\n    \"flag-ba\": \"1F1E7-1F1E6\",\n    \"flag-bb\": \"1F1E7-1F1E7\",\n    \"flag-bd\": \"1F1E7-1F1E9\",\n    \"flag-be\": \"1F1E7-1F1EA\",\n    \"flag-bf\": \"1F1E7-1F1EB\",\n    \"flag-bg\": \"1F1E7-1F1EC\",\n    \"flag-bh\": \"1F1E7-1F1ED\",\n    \"flag-bi\": \"1F1E7-1F1EE\",\n    \"flag-bj\": \"1F1E7-1F1EF\",\n    \"flag-bl\": \"1F1E7-1F1F1\",\n    \"flag-bm\": \"1F1E7-1F1F2\",\n    \"flag-bn\": \"1F1E7-1F1F3\",\n    \"flag-bo\": \"1F1E7-1F1F4\",\n    \"flag-bq\": \"1F1E7-1F1F6\",\n    \"flag-br\": \"1F1E7-1F1F7\",\n    \"flag-bs\": \"1F1E7-1F1F8\",\n    \"flag-bt\": \"1F1E7-1F1F9\",\n    \"flag-bv\": \"1F1E7-1F1FB\",\n    \"flag-bw\": \"1F1E7-1F1FC\",\n    \"flag-by\": \"1F1E7-1F1FE\",\n    \"flag-bz\": \"1F1E7-1F1FF\",\n    \"flag-ca\": \"1F1E8-1F1E6\",\n    \"flag-cc\": \"1F1E8-1F1E8\",\n    \"flag-cd\": \"1F1E8-1F1E9\",\n    \"flag-cf\": \"1F1E8-1F1EB\",\n    \"flag-cg\": \"1F1E8-1F1EC\",\n    \"flag-ch\": \"1F1E8-1F1ED\",\n    \"flag-ci\": \"1F1E8-1F1EE\",\n    \"flag-ck\": \"1F1E8-1F1F0\",\n    \"flag-cl\": \"1F1E8-1F1F1\",\n    \"flag-cm\": \"1F1E8-1F1F2\",\n    \"cn\": \"1F1E8-1F1F3\",\n    \"flag-co\": \"1F1E8-1F1F4\",\n    \"flag-cp\": \"1F1E8-1F1F5\",\n    \"flag-cr\": \"1F1E8-1F1F7\",\n    \"flag-cu\": \"1F1E8-1F1FA\",\n    \"flag-cv\": \"1F1E8-1F1FB\",\n    \"flag-cw\": \"1F1E8-1F1FC\",\n    \"flag-cx\": \"1F1E8-1F1FD\",\n    \"flag-cy\": \"1F1E8-1F1FE\",\n    \"flag-cz\": \"1F1E8-1F1FF\",\n    \"de\": \"1F1E9-1F1EA\",\n    \"flag-dg\": \"1F1E9-1F1EC\",\n    \"flag-dj\": \"1F1E9-1F1EF\",\n    \"flag-dk\": \"1F1E9-1F1F0\",\n    \"flag-dm\": \"1F1E9-1F1F2\",\n    \"flag-do\": \"1F1E9-1F1F4\",\n    \"flag-dz\": \"1F1E9-1F1FF\",\n    \"flag-ea\": \"1F1EA-1F1E6\",\n    \"flag-ec\": \"1F1EA-1F1E8\",\n    \"flag-ee\": \"1F1EA-1F1EA\",\n    \"flag-eg\": \"1F1EA-1F1EC\",\n    \"flag-eh\": \"1F1EA-1F1ED\",\n    \"flag-er\": \"1F1EA-1F1F7\",\n    \"es\": \"1F1EA-1F1F8\",\n    \"flag-et\": \"1F1EA-1F1F9\",\n    \"flag-eu\": \"1F1EA-1F1FA\",\n    \"flag-fi\": \"1F1EB-1F1EE\",\n    \"flag-fj\": \"1F1EB-1F1EF\",\n    \"flag-fk\": \"1F1EB-1F1F0\",\n    \"flag-fm\": \"1F1EB-1F1F2\",\n    \"flag-fo\": \"1F1EB-1F1F4\",\n    \"fr\": \"1F1EB-1F1F7\",\n    \"flag-ga\": \"1F1EC-1F1E6\",\n    \"gb\": \"1F1EC-1F1E7\",\n    \"flag-gd\": \"1F1EC-1F1E9\",\n    \"flag-ge\": \"1F1EC-1F1EA\",\n    \"flag-gf\": \"1F1EC-1F1EB\",\n    \"flag-gg\": \"1F1EC-1F1EC\",\n    \"flag-gh\": \"1F1EC-1F1ED\",\n    \"flag-gi\": \"1F1EC-1F1EE\",\n    \"flag-gl\": \"1F1EC-1F1F1\",\n    \"flag-gm\": \"1F1EC-1F1F2\",\n    \"flag-gn\": \"1F1EC-1F1F3\",\n    \"flag-gp\": \"1F1EC-1F1F5\",\n    \"flag-gq\": \"1F1EC-1F1F6\",\n    \"flag-gr\": \"1F1EC-1F1F7\",\n    \"flag-gs\": \"1F1EC-1F1F8\",\n    \"flag-gt\": \"1F1EC-1F1F9\",\n    \"flag-gu\": \"1F1EC-1F1FA\",\n    \"flag-gw\": \"1F1EC-1F1FC\",\n    \"flag-gy\": \"1F1EC-1F1FE\",\n    \"flag-hk\": \"1F1ED-1F1F0\",\n    \"flag-hm\": \"1F1ED-1F1F2\",\n    \"flag-hn\": \"1F1ED-1F1F3\",\n    \"flag-hr\": \"1F1ED-1F1F7\",\n    \"flag-ht\": \"1F1ED-1F1F9\",\n    \"flag-hu\": \"1F1ED-1F1FA\",\n    \"flag-ic\": \"1F1EE-1F1E8\",\n    \"flag-id\": \"1F1EE-1F1E9\",\n    \"flag-ie\": \"1F1EE-1F1EA\",\n    \"flag-il\": \"1F1EE-1F1F1\",\n    \"flag-im\": \"1F1EE-1F1F2\",\n    \"flag-in\": \"1F1EE-1F1F3\",\n    \"flag-io\": \"1F1EE-1F1F4\",\n    \"flag-iq\": \"1F1EE-1F1F6\",\n    \"flag-ir\": \"1F1EE-1F1F7\",\n    \"flag-is\": \"1F1EE-1F1F8\",\n    \"it\": \"1F1EE-1F1F9\",\n    \"flag-je\": \"1F1EF-1F1EA\",\n    \"flag-jm\": \"1F1EF-1F1F2\",\n    \"flag-jo\": \"1F1EF-1F1F4\",\n    \"jp\": \"1F1EF-1F1F5\",\n    \"flag-ke\": \"1F1F0-1F1EA\",\n    \"flag-kg\": \"1F1F0-1F1EC\",\n    \"flag-kh\": \"1F1F0-1F1ED\",\n    \"flag-ki\": \"1F1F0-1F1EE\",\n    \"flag-km\": \"1F1F0-1F1F2\",\n    \"flag-kn\": \"1F1F0-1F1F3\",\n    \"flag-kp\": \"1F1F0-1F1F5\",\n    \"kr\": \"1F1F0-1F1F7\",\n    \"flag-kw\": \"1F1F0-1F1FC\",\n    \"flag-ky\": \"1F1F0-1F1FE\",\n    \"flag-kz\": \"1F1F0-1F1FF\",\n    \"flag-la\": \"1F1F1-1F1E6\",\n    \"flag-lb\": \"1F1F1-1F1E7\",\n    \"flag-lc\": \"1F1F1-1F1E8\",\n    \"flag-li\": \"1F1F1-1F1EE\",\n    \"flag-lk\": \"1F1F1-1F1F0\",\n    \"flag-lr\": \"1F1F1-1F1F7\",\n    \"flag-ls\": \"1F1F1-1F1F8\",\n    \"flag-lt\": \"1F1F1-1F1F9\",\n    \"flag-lu\": \"1F1F1-1F1FA\",\n    \"flag-lv\": \"1F1F1-1F1FB\",\n    \"flag-ly\": \"1F1F1-1F1FE\",\n    \"flag-ma\": \"1F1F2-1F1E6\",\n    \"flag-mc\": \"1F1F2-1F1E8\",\n    \"flag-md\": \"1F1F2-1F1E9\",\n    \"flag-me\": \"1F1F2-1F1EA\",\n    \"flag-mf\": \"1F1F2-1F1EB\",\n    \"flag-mg\": \"1F1F2-1F1EC\",\n    \"flag-mh\": \"1F1F2-1F1ED\",\n    \"flag-mk\": \"1F1F2-1F1F0\",\n    \"flag-ml\": \"1F1F2-1F1F1\",\n    \"flag-mm\": \"1F1F2-1F1F2\",\n    \"flag-mn\": \"1F1F2-1F1F3\",\n    \"flag-mo\": \"1F1F2-1F1F4\",\n    \"flag-mp\": \"1F1F2-1F1F5\",\n    \"flag-mq\": \"1F1F2-1F1F6\",\n    \"flag-mr\": \"1F1F2-1F1F7\",\n    \"flag-ms\": \"1F1F2-1F1F8\",\n    \"flag-mt\": \"1F1F2-1F1F9\",\n    \"flag-mu\": \"1F1F2-1F1FA\",\n    \"flag-mv\": \"1F1F2-1F1FB\",\n    \"flag-mw\": \"1F1F2-1F1FC\",\n    \"flag-mx\": \"1F1F2-1F1FD\",\n    \"flag-my\": \"1F1F2-1F1FE\",\n    \"flag-mz\": \"1F1F2-1F1FF\",\n    \"flag-na\": \"1F1F3-1F1E6\",\n    \"flag-nc\": \"1F1F3-1F1E8\",\n    \"flag-ne\": \"1F1F3-1F1EA\",\n    \"flag-nf\": \"1F1F3-1F1EB\",\n    \"flag-ng\": \"1F1F3-1F1EC\",\n    \"flag-ni\": \"1F1F3-1F1EE\",\n    \"flag-nl\": \"1F1F3-1F1F1\",\n    \"flag-no\": \"1F1F3-1F1F4\",\n    \"flag-np\": \"1F1F3-1F1F5\",\n    \"flag-nr\": \"1F1F3-1F1F7\",\n    \"flag-nu\": \"1F1F3-1F1FA\",\n    \"flag-nz\": \"1F1F3-1F1FF\",\n    \"flag-om\": \"1F1F4-1F1F2\",\n    \"flag-pa\": \"1F1F5-1F1E6\",\n    \"flag-pe\": \"1F1F5-1F1EA\",\n    \"flag-pf\": \"1F1F5-1F1EB\",\n    \"flag-pg\": \"1F1F5-1F1EC\",\n    \"flag-ph\": \"1F1F5-1F1ED\",\n    \"flag-pk\": \"1F1F5-1F1F0\",\n    \"flag-pl\": \"1F1F5-1F1F1\",\n    \"flag-pm\": \"1F1F5-1F1F2\",\n    \"flag-pn\": \"1F1F5-1F1F3\",\n    \"flag-pr\": \"1F1F5-1F1F7\",\n    \"flag-ps\": \"1F1F5-1F1F8\",\n    \"flag-pt\": \"1F1F5-1F1F9\",\n    \"flag-pw\": \"1F1F5-1F1FC\",\n    \"flag-py\": \"1F1F5-1F1FE\",\n    \"flag-qa\": \"1F1F6-1F1E6\",\n    \"flag-re\": \"1F1F7-1F1EA\",\n    \"flag-ro\": \"1F1F7-1F1F4\",\n    \"flag-rs\": \"1F1F7-1F1F8\",\n    \"ru\": \"1F1F7-1F1FA\",\n    \"flag-rw\": \"1F1F7-1F1FC\",\n    \"flag-sa\": \"1F1F8-1F1E6\",\n    \"flag-sb\": \"1F1F8-1F1E7\",\n    \"flag-sc\": \"1F1F8-1F1E8\",\n    \"flag-sd\": \"1F1F8-1F1E9\",\n    \"flag-se\": \"1F1F8-1F1EA\",\n    \"flag-sg\": \"1F1F8-1F1EC\",\n    \"flag-sh\": \"1F1F8-1F1ED\",\n    \"flag-si\": \"1F1F8-1F1EE\",\n    \"flag-sj\": \"1F1F8-1F1EF\",\n    \"flag-sk\": \"1F1F8-1F1F0\",\n    \"flag-sl\": \"1F1F8-1F1F1\",\n    \"flag-sm\": \"1F1F8-1F1F2\",\n    \"flag-sn\": \"1F1F8-1F1F3\",\n    \"flag-so\": \"1F1F8-1F1F4\",\n    \"flag-sr\": \"1F1F8-1F1F7\",\n    \"flag-ss\": \"1F1F8-1F1F8\",\n    \"flag-st\": \"1F1F8-1F1F9\",\n    \"flag-sv\": \"1F1F8-1F1FB\",\n    \"flag-sx\": \"1F1F8-1F1FD\",\n    \"flag-sy\": \"1F1F8-1F1FE\",\n    \"flag-sz\": \"1F1F8-1F1FF\",\n    \"flag-ta\": \"1F1F9-1F1E6\",\n    \"flag-tc\": \"1F1F9-1F1E8\",\n    \"flag-td\": \"1F1F9-1F1E9\",\n    \"flag-tf\": \"1F1F9-1F1EB\",\n    \"flag-tg\": \"1F1F9-1F1EC\",\n    \"flag-th\": \"1F1F9-1F1ED\",\n    \"flag-tj\": \"1F1F9-1F1EF\",\n    \"flag-tk\": \"1F1F9-1F1F0\",\n    \"flag-tl\": \"1F1F9-1F1F1\",\n    \"flag-tm\": \"1F1F9-1F1F2\",\n    \"flag-tn\": \"1F1F9-1F1F3\",\n    \"flag-to\": \"1F1F9-1F1F4\",\n    \"flag-tr\": \"1F1F9-1F1F7\",\n    \"flag-tt\": \"1F1F9-1F1F9\",\n    \"flag-tv\": \"1F1F9-1F1FB\",\n    \"flag-tw\": \"1F1F9-1F1FC\",\n    \"flag-tz\": \"1F1F9-1F1FF\",\n    \"flag-ua\": \"1F1FA-1F1E6\",\n    \"flag-ug\": \"1F1FA-1F1EC\",\n    \"flag-um\": \"1F1FA-1F1F2\",\n    \"flag-un\": \"1F1FA-1F1F3\",\n    \"us\": \"1F1FA-1F1F8\",\n    \"flag-uy\": \"1F1FA-1F1FE\",\n    \"flag-uz\": \"1F1FA-1F1FF\",\n    \"flag-va\": \"1F1FB-1F1E6\",\n    \"flag-vc\": \"1F1FB-1F1E8\",\n    \"flag-ve\": \"1F1FB-1F1EA\",\n    \"flag-vg\": \"1F1FB-1F1EC\",\n    \"flag-vi\": \"1F1FB-1F1EE\",\n    \"flag-vn\": \"1F1FB-1F1F3\",\n    \"flag-vu\": \"1F1FB-1F1FA\",\n    \"flag-wf\": \"1F1FC-1F1EB\",\n    \"flag-ws\": \"1F1FC-1F1F8\",\n    \"flag-xk\": \"1F1FD-1F1F0\",\n    \"flag-ye\": \"1F1FE-1F1EA\",\n    \"flag-yt\": \"1F1FE-1F1F9\",\n    \"flag-za\": \"1F1FF-1F1E6\",\n    \"flag-zm\": \"1F1FF-1F1F2\",\n    \"flag-zw\": \"1F1FF-1F1FC\",\n    \"koko\": \"1F201\",\n    \"sa\": \"1F202-FE0F\",\n    \"u7121\": \"1F21A\",\n    \"u6307\": \"1F22F\",\n    \"u7981\": \"1F232\",\n    \"u7a7a\": \"1F233\",\n    \"u5408\": \"1F234\",\n    \"u6e80\": \"1F235\",\n    \"u6709\": \"1F236\",\n    \"u6708\": \"1F237-FE0F\",\n    \"u7533\": \"1F238\",\n    \"u5272\": \"1F239\",\n    \"u55b6\": \"1F23A\",\n    \"ideograph_advantage\": \"1F250\",\n    \"accept\": \"1F251\",\n    \"cyclone\": \"1F300\",\n    \"foggy\": \"1F301\",\n    \"closed_umbrella\": \"1F302\",\n    \"night_with_stars\": \"1F303\",\n    \"sunrise_over_mountains\": \"1F304\",\n    \"sunrise\": \"1F305\",\n    \"city_sunset\": \"1F306\",\n    \"city_sunrise\": \"1F307\",\n    \"rainbow\": \"1F308\",\n    \"bridge_at_night\": \"1F309\",\n    \"ocean\": \"1F30A\",\n    \"volcano\": \"1F30B\",\n    \"milky_way\": \"1F30C\",\n    \"earth_africa\": \"1F30D\",\n    \"earth_americas\": \"1F30E\",\n    \"earth_asia\": \"1F30F\",\n    \"globe_with_meridians\": \"1F310\",\n    \"new_moon\": \"1F311\",\n    \"waxing_crescent_moon\": \"1F312\",\n    \"first_quarter_moon\": \"1F313\",\n    \"moon\": \"1F314\",\n    \"full_moon\": \"1F315\",\n    \"waning_gibbous_moon\": \"1F316\",\n    \"last_quarter_moon\": \"1F317\",\n    \"waning_crescent_moon\": \"1F318\",\n    \"crescent_moon\": \"1F319\",\n    \"new_moon_with_face\": \"1F31A\",\n    \"first_quarter_moon_with_face\": \"1F31B\",\n    \"last_quarter_moon_with_face\": \"1F31C\",\n    \"full_moon_with_face\": \"1F31D\",\n    \"sun_with_face\": \"1F31E\",\n    \"star2\": \"1F31F\",\n    \"stars\": \"1F320\",\n    \"thermometer\": \"1F321-FE0F\",\n    \"mostly_sunny\": \"1F324-FE0F\",\n    \"barely_sunny\": \"1F325-FE0F\",\n    \"partly_sunny_rain\": \"1F326-FE0F\",\n    \"rain_cloud\": \"1F327-FE0F\",\n    \"snow_cloud\": \"1F328-FE0F\",\n    \"lightning\": \"1F329-FE0F\",\n    \"tornado\": \"1F32A-FE0F\",\n    \"fog\": \"1F32B-FE0F\",\n    \"wind_blowing_face\": \"1F32C-FE0F\",\n    \"hotdog\": \"1F32D\",\n    \"taco\": \"1F32E\",\n    \"burrito\": \"1F32F\",\n    \"chestnut\": \"1F330\",\n    \"seedling\": \"1F331\",\n    \"evergreen_tree\": \"1F332\",\n    \"deciduous_tree\": \"1F333\",\n    \"palm_tree\": \"1F334\",\n    \"cactus\": \"1F335\",\n    \"hot_pepper\": \"1F336-FE0F\",\n    \"tulip\": \"1F337\",\n    \"cherry_blossom\": \"1F338\",\n    \"rose\": \"1F339\",\n    \"hibiscus\": \"1F33A\",\n    \"sunflower\": \"1F33B\",\n    \"blossom\": \"1F33C\",\n    \"corn\": \"1F33D\",\n    \"ear_of_rice\": \"1F33E\",\n    \"herb\": \"1F33F\",\n    \"four_leaf_clover\": \"1F340\",\n    \"maple_leaf\": \"1F341\",\n    \"fallen_leaf\": \"1F342\",\n    \"leaves\": \"1F343\",\n    \"mushroom\": \"1F344\",\n    \"tomato\": \"1F345\",\n    \"eggplant\": \"1F346\",\n    \"grapes\": \"1F347\",\n    \"melon\": \"1F348\",\n    \"watermelon\": \"1F349\",\n    \"tangerine\": \"1F34A\",\n    \"lemon\": \"1F34B\",\n    \"banana\": \"1F34C\",\n    \"pineapple\": \"1F34D\",\n    \"apple\": \"1F34E\",\n    \"green_apple\": \"1F34F\",\n    \"pear\": \"1F350\",\n    \"peach\": \"1F351\",\n    \"cherries\": \"1F352\",\n    \"strawberry\": \"1F353\",\n    \"hamburger\": \"1F354\",\n    \"pizza\": \"1F355\",\n    \"meat_on_bone\": \"1F356\",\n    \"poultry_leg\": \"1F357\",\n    \"rice_cracker\": \"1F358\",\n    \"rice_ball\": \"1F359\",\n    \"rice\": \"1F35A\",\n    \"curry\": \"1F35B\",\n    \"ramen\": \"1F35C\",\n    \"spaghetti\": \"1F35D\",\n    \"bread\": \"1F35E\",\n    \"fries\": \"1F35F\",\n    \"sweet_potato\": \"1F360\",\n    \"dango\": \"1F361\",\n    \"oden\": \"1F362\",\n    \"sushi\": \"1F363\",\n    \"fried_shrimp\": \"1F364\",\n    \"fish_cake\": \"1F365\",\n    \"icecream\": \"1F366\",\n    \"shaved_ice\": \"1F367\",\n    \"ice_cream\": \"1F368\",\n    \"doughnut\": \"1F369\",\n    \"cookie\": \"1F36A\",\n    \"chocolate_bar\": \"1F36B\",\n    \"candy\": \"1F36C\",\n    \"lollipop\": \"1F36D\",\n    \"custard\": \"1F36E\",\n    \"honey_pot\": \"1F36F\",\n    \"cake\": \"1F370\",\n    \"bento\": \"1F371\",\n    \"stew\": \"1F372\",\n    \"fried_egg\": \"1F373\",\n    \"fork_and_knife\": \"1F374\",\n    \"tea\": \"1F375\",\n    \"sake\": \"1F376\",\n    \"wine_glass\": \"1F377\",\n    \"cocktail\": \"1F378\",\n    \"tropical_drink\": \"1F379\",\n    \"beer\": \"1F37A\",\n    \"beers\": \"1F37B\",\n    \"baby_bottle\": \"1F37C\",\n    \"knife_fork_plate\": 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  \"basketball\": \"1F3C0\",\n    \"checkered_flag\": \"1F3C1\",\n    \"snowboarder\": \"1F3C2\",\n    \"woman-running\": \"1F3C3-200D-2640-FE0F\",\n    \"man-running\": \"1F3C3-200D-2642-FE0F\",\n    \"runner\": \"1F3C3-200D-2642-FE0F\",\n    \"woman-surfing\": \"1F3C4-200D-2640-FE0F\",\n    \"man-surfing\": \"1F3C4-200D-2642-FE0F\",\n    \"surfer\": \"1F3C4-200D-2642-FE0F\",\n    \"sports_medal\": \"1F3C5\",\n    \"trophy\": \"1F3C6\",\n    \"horse_racing\": \"1F3C7\",\n    \"football\": \"1F3C8\",\n    \"rugby_football\": \"1F3C9\",\n    \"woman-swimming\": \"1F3CA-200D-2640-FE0F\",\n    \"man-swimming\": \"1F3CA-200D-2642-FE0F\",\n    \"swimmer\": \"1F3CA-200D-2642-FE0F\",\n    \"woman-lifting-weights\": \"1F3CB-FE0F-200D-2640-FE0F\",\n    \"man-lifting-weights\": \"1F3CB-FE0F-200D-2642-FE0F\",\n    \"weight_lifter\": \"1F3CB-FE0F-200D-2642-FE0F\",\n    \"woman-golfing\": \"1F3CC-FE0F-200D-2640-FE0F\",\n    \"man-golfing\": \"1F3CC-FE0F-200D-2642-FE0F\",\n    \"golfer\": \"1F3CC-FE0F-200D-2642-FE0F\",\n    \"racing_motorcycle\": \"1F3CD-FE0F\",\n    \"racing_car\": \"1F3CE-FE0F\",\n    \"cricket_bat_and_ball\": \"1F3CF\",\n    \"volleyball\": \"1F3D0\",\n    \"field_hockey_stick_and_ball\": \"1F3D1\",\n    \"ice_hockey_stick_and_puck\": \"1F3D2\",\n    \"table_tennis_paddle_and_ball\": \"1F3D3\",\n    \"snow_capped_mountain\": \"1F3D4-FE0F\",\n    \"camping\": \"1F3D5-FE0F\",\n    \"beach_with_umbrella\": \"1F3D6-FE0F\",\n    \"building_construction\": \"1F3D7-FE0F\",\n    \"house_buildings\": \"1F3D8-FE0F\",\n    \"cityscape\": \"1F3D9-FE0F\",\n    \"derelict_house_building\": \"1F3DA-FE0F\",\n    \"classical_building\": \"1F3DB-FE0F\",\n    \"desert\": \"1F3DC-FE0F\",\n    \"desert_island\": \"1F3DD-FE0F\",\n    \"national_park\": \"1F3DE-FE0F\",\n    \"stadium\": \"1F3DF-FE0F\",\n    \"house\": \"1F3E0\",\n    \"house_with_garden\": \"1F3E1\",\n    \"office\": \"1F3E2\",\n    \"post_office\": \"1F3E3\",\n    \"european_post_office\": \"1F3E4\",\n    \"hospital\": \"1F3E5\",\n    \"bank\": \"1F3E6\",\n    \"atm\": \"1F3E7\",\n    \"hotel\": \"1F3E8\",\n    \"love_hotel\": \"1F3E9\",\n    \"convenience_store\": \"1F3EA\",\n    \"school\": \"1F3EB\",\n    \"department_store\": \"1F3EC\",\n    \"factory\": \"1F3ED\",\n    \"izakaya_lantern\": \"1F3EE\",\n    \"japanese_castle\": \"1F3EF\",\n    \"european_castle\": \"1F3F0\",\n    \"rainbow-flag\": \"1F3F3-FE0F-200D-1F308\",\n    \"waving_white_flag\": \"1F3F3-FE0F\",\n    \"flag-england\": \"1F3F4-E0067-E0062-E0065-E006E-E0067-E007F\",\n    \"flag-scotland\": \"1F3F4-E0067-E0062-E0073-E0063-E0074-E007F\",\n    \"flag-wales\": \"1F3F4-E0067-E0062-E0077-E006C-E0073-E007F\",\n    \"waving_black_flag\": \"1F3F4\",\n    \"rosette\": \"1F3F5-FE0F\",\n    \"label\": \"1F3F7-FE0F\",\n    \"badminton_racquet_and_shuttlecock\": \"1F3F8\",\n    \"bow_and_arrow\": \"1F3F9\",\n    \"amphora\": \"1F3FA\",\n    \"skin-tone-2\": \"1F3FB\",\n    \"skin-tone-3\": \"1F3FC\",\n    \"skin-tone-4\": \"1F3FD\",\n    \"skin-tone-5\": \"1F3FE\",\n    \"skin-tone-6\": \"1F3FF\",\n    \"rat\": \"1F400\",\n    \"mouse2\": \"1F401\",\n    \"ox\": \"1F402\",\n    \"water_buffalo\": \"1F403\",\n    \"cow2\": \"1F404\",\n    \"tiger2\": \"1F405\",\n    \"leopard\": \"1F406\",\n    \"rabbit2\": \"1F407\",\n    \"cat2\": \"1F408\",\n    \"dragon\": \"1F409\",\n    \"crocodile\": \"1F40A\",\n    \"whale2\": \"1F40B\",\n    \"snail\": \"1F40C\",\n    \"snake\": \"1F40D\",\n    \"racehorse\": \"1F40E\",\n    \"ram\": \"1F40F\",\n    \"goat\": \"1F410\",\n    \"sheep\": \"1F411\",\n    \"monkey\": \"1F412\",\n    \"rooster\": \"1F413\",\n    \"chicken\": \"1F414\",\n    \"dog2\": \"1F415\",\n    \"pig2\": \"1F416\",\n    \"boar\": \"1F417\",\n    \"elephant\": \"1F418\",\n    \"octopus\": \"1F419\",\n    \"shell\": \"1F41A\",\n    \"bug\": \"1F41B\",\n    \"ant\": \"1F41C\",\n    \"bee\": \"1F41D\",\n    \"beetle\": \"1F41E\",\n    \"fish\": \"1F41F\",\n    \"tropical_fish\": \"1F420\",\n    \"blowfish\": \"1F421\",\n    \"turtle\": \"1F422\",\n    \"hatching_chick\": \"1F423\",\n    \"baby_chick\": \"1F424\",\n    \"hatched_chick\": \"1F425\",\n    \"bird\": \"1F426\",\n    \"penguin\": \"1F427\",\n    \"koala\": \"1F428\",\n    \"poodle\": \"1F429\",\n    \"dromedary_camel\": \"1F42A\",\n    \"camel\": \"1F42B\",\n    \"dolphin\": \"1F42C\",\n    \"mouse\": \"1F42D\",\n    \"cow\": \"1F42E\",\n    \"tiger\": \"1F42F\",\n    \"rabbit\": \"1F430\",\n    \"cat\": \"1F431\",\n    \"dragon_face\": \"1F432\",\n    \"whale\": \"1F433\",\n    \"horse\": \"1F434\",\n    \"monkey_face\": \"1F435\",\n    \"dog\": \"1F436\",\n    \"pig\": \"1F437\",\n    \"frog\": \"1F438\",\n    \"hamster\": \"1F439\",\n    \"wolf\": \"1F43A\",\n    \"bear\": \"1F43B\",\n    \"panda_face\": \"1F43C\",\n    \"pig_nose\": \"1F43D\",\n    \"feet\": \"1F43E\",\n    \"chipmunk\": \"1F43F-FE0F\",\n    \"eyes\": \"1F440\",\n    \"eye-in-speech-bubble\": \"1F441-FE0F-200D-1F5E8-FE0F\",\n    \"eye\": \"1F441-FE0F\",\n    \"ear\": \"1F442\",\n    \"nose\": \"1F443\",\n    \"lips\": \"1F444\",\n    \"tongue\": \"1F445\",\n    \"point_up_2\": \"1F446\",\n    \"point_down\": \"1F447\",\n    \"point_left\": \"1F448\",\n    \"point_right\": \"1F449\",\n    \"facepunch\": \"1F44A\",\n    \"wave\": \"1F44B\",\n    \"ok_hand\": \"1F44C\",\n    \"+1\": \"1F44D\",\n    \"-1\": \"1F44E\",\n    \"clap\": \"1F44F\",\n    \"open_hands\": \"1F450\",\n    \"crown\": \"1F451\",\n    \"womans_hat\": \"1F452\",\n    \"eyeglasses\": \"1F453\",\n    \"necktie\": \"1F454\",\n    \"shirt\": \"1F455\",\n    \"jeans\": \"1F456\",\n    \"dress\": \"1F457\",\n    \"kimono\": \"1F458\",\n    \"bikini\": \"1F459\",\n    \"womans_clothes\": \"1F45A\",\n    \"purse\": \"1F45B\",\n    \"handbag\": \"1F45C\",\n    \"pouch\": \"1F45D\",\n    \"mans_shoe\": \"1F45E\",\n    \"athletic_shoe\": \"1F45F\",\n    \"high_heel\": \"1F460\",\n    \"sandal\": \"1F461\",\n    \"boot\": \"1F462\",\n    \"footprints\": \"1F463\",\n    \"bust_in_silhouette\": \"1F464\",\n    \"busts_in_silhouette\": \"1F465\",\n    \"boy\": \"1F466\",\n    \"girl\": \"1F467\",\n    \"male-farmer\": \"1F468-200D-1F33E\",\n    \"male-cook\": \"1F468-200D-1F373\",\n    \"male-student\": \"1F468-200D-1F393\",\n    \"male-singer\": \"1F468-200D-1F3A4\",\n    \"male-artist\": \"1F468-200D-1F3A8\",\n    \"male-teacher\": \"1F468-200D-1F3EB\",\n    \"male-factory-worker\": \"1F468-200D-1F3ED\",\n    \"man-boy-boy\": \"1F468-200D-1F466-200D-1F466\",\n    \"man-boy\": \"1F468-200D-1F466\",\n    \"man-girl-boy\": \"1F468-200D-1F467-200D-1F466\",\n    \"man-girl-girl\": \"1F468-200D-1F467-200D-1F467\",\n    \"man-girl\": \"1F468-200D-1F467\",\n    \"man-man-boy\": \"1F468-200D-1F468-200D-1F466\",\n    \"man-man-boy-boy\": \"1F468-200D-1F468-200D-1F466-200D-1F466\",\n    \"man-man-girl\": \"1F468-200D-1F468-200D-1F467\",\n    \"man-man-girl-boy\": \"1F468-200D-1F468-200D-1F467-200D-1F466\",\n    \"man-man-girl-girl\": 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\"1F469-200D-1F33E\",\n    \"female-cook\": \"1F469-200D-1F373\",\n    \"female-student\": \"1F469-200D-1F393\",\n    \"female-singer\": \"1F469-200D-1F3A4\",\n    \"female-artist\": \"1F469-200D-1F3A8\",\n    \"female-teacher\": \"1F469-200D-1F3EB\",\n    \"female-factory-worker\": \"1F469-200D-1F3ED\",\n    \"woman-boy-boy\": \"1F469-200D-1F466-200D-1F466\",\n    \"woman-boy\": \"1F469-200D-1F466\",\n    \"woman-girl-boy\": \"1F469-200D-1F467-200D-1F466\",\n    \"woman-girl-girl\": \"1F469-200D-1F467-200D-1F467\",\n    \"woman-girl\": \"1F469-200D-1F467\",\n    \"woman-woman-boy\": \"1F469-200D-1F469-200D-1F466\",\n    \"woman-woman-boy-boy\": \"1F469-200D-1F469-200D-1F466-200D-1F466\",\n    \"woman-woman-girl\": \"1F469-200D-1F469-200D-1F467\",\n    \"woman-woman-girl-boy\": \"1F469-200D-1F469-200D-1F467-200D-1F466\",\n    \"woman-woman-girl-girl\": \"1F469-200D-1F469-200D-1F467-200D-1F467\",\n    \"female-technologist\": \"1F469-200D-1F4BB\",\n    \"female-office-worker\": \"1F469-200D-1F4BC\",\n    \"female-mechanic\": \"1F469-200D-1F527\",\n    \"female-scientist\": \"1F469-200D-1F52C\",\n    \"female-astronaut\": \"1F469-200D-1F680\",\n    \"female-firefighter\": \"1F469-200D-1F692\",\n    \"female-doctor\": \"1F469-200D-2695-FE0F\",\n    \"female-judge\": \"1F469-200D-2696-FE0F\",\n    \"female-pilot\": \"1F469-200D-2708-FE0F\",\n    \"woman-heart-man\": \"1F469-200D-2764-FE0F-200D-1F468\",\n    \"woman-heart-woman\": \"1F469-200D-2764-FE0F-200D-1F469\",\n    \"woman-kiss-man\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F468\",\n    \"woman-kiss-woman\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F469\",\n    \"woman\": \"1F469\",\n    \"family\": \"1F468-200D-1F469-200D-1F466\",\n    \"couple\": \"1F46B\",\n    \"two_men_holding_hands\": \"1F46C\",\n    \"two_women_holding_hands\": \"1F46D\",\n    \"female-police-officer\": \"1F46E-200D-2640-FE0F\",\n    \"male-police-officer\": \"1F46E-200D-2642-FE0F\",\n    \"cop\": \"1F46E-200D-2642-FE0F\",\n    \"woman-with-bunny-ears-partying\": \"1F46F-200D-2640-FE0F\",\n    \"man-with-bunny-ears-partying\": \"1F46F-200D-2642-FE0F\",\n    \"dancers\": \"1F46F-200D-2640-FE0F\",\n    \"bride_with_veil\": \"1F470\",\n    \"blond-haired-woman\": \"1F471-200D-2640-FE0F\",\n    \"blond-haired-man\": \"1F471-200D-2642-FE0F\",\n    \"person_with_blond_hair\": \"1F471-200D-2642-FE0F\",\n    \"man_with_gua_pi_mao\": \"1F472\",\n    \"woman-wearing-turban\": \"1F473-200D-2640-FE0F\",\n    \"man-wearing-turban\": \"1F473-200D-2642-FE0F\",\n    \"man_with_turban\": \"1F473-200D-2642-FE0F\",\n    \"older_man\": \"1F474\",\n    \"older_woman\": \"1F475\",\n    \"baby\": \"1F476\",\n    \"female-construction-worker\": \"1F477-200D-2640-FE0F\",\n    \"male-construction-worker\": \"1F477-200D-2642-FE0F\",\n    \"construction_worker\": \"1F477-200D-2642-FE0F\",\n    \"princess\": \"1F478\",\n    \"japanese_ogre\": \"1F479\",\n    \"japanese_goblin\": \"1F47A\",\n    \"ghost\": \"1F47B\",\n    \"angel\": \"1F47C\",\n    \"alien\": \"1F47D\",\n    \"space_invader\": \"1F47E\",\n    \"imp\": \"1F47F\",\n    \"skull\": \"1F480\",\n    \"woman-tipping-hand\": \"1F481-200D-2640-FE0F\",\n    \"man-tipping-hand\": \"1F481-200D-2642-FE0F\",\n    \"information_desk_person\": \"1F481-200D-2640-FE0F\",\n    \"female-guard\": \"1F482-200D-2640-FE0F\",\n    \"male-guard\": \"1F482-200D-2642-FE0F\",\n    \"guardsman\": \"1F482-200D-2642-FE0F\",\n    \"dancer\": \"1F483\",\n    \"lipstick\": \"1F484\",\n    \"nail_care\": \"1F485\",\n    \"woman-getting-massage\": \"1F486-200D-2640-FE0F\",\n    \"man-getting-massage\": \"1F486-200D-2642-FE0F\",\n    \"massage\": \"1F486-200D-2640-FE0F\",\n    \"woman-getting-haircut\": \"1F487-200D-2640-FE0F\",\n    \"man-getting-haircut\": \"1F487-200D-2642-FE0F\",\n    \"haircut\": \"1F487-200D-2640-FE0F\",\n    \"barber\": \"1F488\",\n    \"syringe\": \"1F489\",\n    \"pill\": \"1F48A\",\n    \"kiss\": \"1F48B\",\n    \"love_letter\": \"1F48C\",\n    \"ring\": \"1F48D\",\n    \"gem\": \"1F48E\",\n    \"couplekiss\": \"1F469-200D-2764-FE0F-200D-1F48B-200D-1F468\",\n    \"bouquet\": \"1F490\",\n    \"couple_with_heart\": \"1F469-200D-2764-FE0F-200D-1F468\",\n    \"wedding\": \"1F492\",\n    \"heartbeat\": \"1F493\",\n    \"broken_heart\": \"1F494\",\n    \"two_hearts\": \"1F495\",\n    \"sparkling_heart\": \"1F496\",\n    \"heartpulse\": \"1F497\",\n    \"cupid\": \"1F498\",\n    \"blue_heart\": \"1F499\",\n    \"green_heart\": \"1F49A\",\n    \"yellow_heart\": \"1F49B\",\n    \"purple_heart\": \"1F49C\",\n    \"gift_heart\": \"1F49D\",\n    \"revolving_hearts\": \"1F49E\",\n    \"heart_decoration\": \"1F49F\",\n    \"diamond_shape_with_a_dot_inside\": \"1F4A0\",\n    \"bulb\": \"1F4A1\",\n    \"anger\": \"1F4A2\",\n    \"bomb\": \"1F4A3\",\n    \"zzz\": \"1F4A4\",\n    \"boom\": \"1F4A5\",\n    \"sweat_drops\": \"1F4A6\",\n    \"droplet\": \"1F4A7\",\n    \"dash\": \"1F4A8\",\n    \"hankey\": \"1F4A9\",\n    \"muscle\": \"1F4AA\",\n    \"dizzy\": \"1F4AB\",\n    \"speech_balloon\": \"1F4AC\",\n    \"thought_balloon\": \"1F4AD\",\n    \"white_flower\": \"1F4AE\",\n    \"100\": \"1F4AF\",\n    \"moneybag\": \"1F4B0\",\n    \"currency_exchange\": \"1F4B1\",\n    \"heavy_dollar_sign\": \"1F4B2\",\n    \"credit_card\": \"1F4B3\",\n    \"yen\": \"1F4B4\",\n    \"dollar\": \"1F4B5\",\n    \"euro\": \"1F4B6\",\n    \"pound\": \"1F4B7\",\n    \"money_with_wings\": \"1F4B8\",\n    \"chart\": \"1F4B9\",\n    \"seat\": \"1F4BA\",\n    \"computer\": \"1F4BB\",\n    \"briefcase\": \"1F4BC\",\n    \"minidisc\": \"1F4BD\",\n    \"floppy_disk\": \"1F4BE\",\n    \"cd\": \"1F4BF\",\n    \"dvd\": \"1F4C0\",\n    \"file_folder\": \"1F4C1\",\n    \"open_file_folder\": \"1F4C2\",\n    \"page_with_curl\": \"1F4C3\",\n    \"page_facing_up\": \"1F4C4\",\n    \"date\": \"1F4C5\",\n    \"calendar\": \"1F4C6\",\n    \"card_index\": \"1F4C7\",\n    \"chart_with_upwards_trend\": \"1F4C8\",\n    \"chart_with_downwards_trend\": \"1F4C9\",\n    \"bar_chart\": \"1F4CA\",\n    \"clipboard\": \"1F4CB\",\n    \"pushpin\": \"1F4CC\",\n    \"round_pushpin\": \"1F4CD\",\n    \"paperclip\": \"1F4CE\",\n    \"straight_ruler\": \"1F4CF\",\n    \"triangular_ruler\": \"1F4D0\",\n    \"bookmark_tabs\": \"1F4D1\",\n    \"ledger\": \"1F4D2\",\n    \"notebook\": \"1F4D3\",\n    \"notebook_with_decorative_cover\": \"1F4D4\",\n    \"closed_book\": \"1F4D5\",\n    \"book\": \"1F4D6\",\n    \"green_book\": \"1F4D7\",\n    \"blue_book\": \"1F4D8\",\n    \"orange_book\": \"1F4D9\",\n    \"books\": \"1F4DA\",\n    \"name_badge\": \"1F4DB\",\n    \"scroll\": \"1F4DC\",\n    \"memo\": \"1F4DD\",\n    \"telephone_receiver\": \"1F4DE\",\n    \"pager\": \"1F4DF\",\n    \"fax\": \"1F4E0\",\n    \"satellite_antenna\": \"1F4E1\",\n    \"loudspeaker\": \"1F4E2\",\n    \"mega\": \"1F4E3\",\n    \"outbox_tray\": \"1F4E4\",\n    \"inbox_tray\": \"1F4E5\",\n    \"package\": \"1F4E6\",\n    \"e-mail\": \"1F4E7\",\n    \"incoming_envelope\": \"1F4E8\",\n    \"envelope_with_arrow\": \"1F4E9\",\n    \"mailbox_closed\": \"1F4EA\",\n    \"mailbox\": \"1F4EB\",\n    \"mailbox_with_mail\": \"1F4EC\",\n    \"mailbox_with_no_mail\": \"1F4ED\",\n    \"postbox\": \"1F4EE\",\n    \"postal_horn\": \"1F4EF\",\n    \"newspaper\": \"1F4F0\",\n    \"iphone\": \"1F4F1\",\n    \"calling\": \"1F4F2\",\n    \"vibration_mode\": \"1F4F3\",\n    \"mobile_phone_off\": \"1F4F4\",\n    \"no_mobile_phones\": \"1F4F5\",\n    \"signal_strength\": \"1F4F6\",\n    \"camera\": \"1F4F7\",\n    \"camera_with_flash\": \"1F4F8\",\n    \"video_camera\": \"1F4F9\",\n    \"tv\": \"1F4FA\",\n    \"radio\": \"1F4FB\",\n    \"vhs\": \"1F4FC\",\n    \"film_projector\": \"1F4FD-FE0F\",\n    \"prayer_beads\": \"1F4FF\",\n    \"twisted_rightwards_arrows\": \"1F500\",\n    \"repeat\": \"1F501\",\n    \"repeat_one\": \"1F502\",\n    \"arrows_clockwise\": \"1F503\",\n    \"arrows_counterclockwise\": \"1F504\",\n    \"low_brightness\": \"1F505\",\n    \"high_brightness\": \"1F506\",\n    \"mute\": \"1F507\",\n    \"speaker\": \"1F508\",\n    \"sound\": \"1F509\",\n    \"loud_sound\": \"1F50A\",\n    \"battery\": \"1F50B\",\n    \"electric_plug\": \"1F50C\",\n    \"mag\": \"1F50D\",\n    \"mag_right\": \"1F50E\",\n    \"lock_with_ink_pen\": \"1F50F\",\n    \"closed_lock_with_key\": \"1F510\",\n    \"key\": \"1F511\",\n    \"lock\": \"1F512\",\n    \"unlock\": \"1F513\",\n    \"bell\": \"1F514\",\n    \"no_bell\": \"1F515\",\n    \"bookmark\": \"1F516\",\n    \"link\": \"1F517\",\n    \"radio_button\": \"1F518\",\n    \"back\": \"1F519\",\n    \"end\": \"1F51A\",\n    \"on\": \"1F51B\",\n    \"soon\": \"1F51C\",\n    \"top\": \"1F51D\",\n    \"underage\": \"1F51E\",\n    \"keycap_ten\": \"1F51F\",\n    \"capital_abcd\": \"1F520\",\n    \"abcd\": \"1F521\",\n    \"1234\": \"1F522\",\n    \"symbols\": \"1F523\",\n    \"abc\": \"1F524\",\n    \"fire\": \"1F525\",\n    \"flashlight\": \"1F526\",\n    \"wrench\": \"1F527\",\n    \"hammer\": \"1F528\",\n    \"nut_and_bolt\": \"1F529\",\n    \"hocho\": \"1F52A\",\n    \"gun\": \"1F52B\",\n    \"microscope\": \"1F52C\",\n    \"telescope\": \"1F52D\",\n    \"crystal_ball\": \"1F52E\",\n    \"six_pointed_star\": \"1F52F\",\n    \"beginner\": \"1F530\",\n    \"trident\": \"1F531\",\n    \"black_square_button\": \"1F532\",\n    \"white_square_button\": \"1F533\",\n    \"red_circle\": \"1F534\",\n    \"large_blue_circle\": \"1F535\",\n    \"large_orange_diamond\": \"1F536\",\n    \"large_blue_diamond\": \"1F537\",\n    \"small_orange_diamond\": \"1F538\",\n    \"small_blue_diamond\": \"1F539\",\n    \"small_red_triangle\": \"1F53A\",\n    \"small_red_triangle_down\": \"1F53B\",\n    \"arrow_up_small\": \"1F53C\",\n    \"arrow_down_small\": \"1F53D\",\n    \"om_symbol\": \"1F549-FE0F\",\n    \"dove_of_peace\": \"1F54A-FE0F\",\n    \"kaaba\": \"1F54B\",\n    \"mosque\": \"1F54C\",\n    \"synagogue\": \"1F54D\",\n    \"menorah_with_nine_branches\": \"1F54E\",\n    \"clock1\": \"1F550\",\n    \"clock2\": \"1F551\",\n    \"clock3\": \"1F552\",\n    \"clock4\": \"1F553\",\n    \"clock5\": \"1F554\",\n    \"clock6\": \"1F555\",\n    \"clock7\": \"1F556\",\n    \"clock8\": \"1F557\",\n    \"clock9\": \"1F558\",\n    \"clock10\": \"1F559\",\n    \"clock11\": \"1F55A\",\n    \"clock12\": \"1F55B\",\n    \"clock130\": \"1F55C\",\n    \"clock230\": \"1F55D\",\n    \"clock330\": \"1F55E\",\n    \"clock430\": \"1F55F\",\n    \"clock530\": \"1F560\",\n    \"clock630\": \"1F561\",\n    \"clock730\": \"1F562\",\n    \"clock830\": \"1F563\",\n    \"clock930\": \"1F564\",\n    \"clock1030\": \"1F565\",\n    \"clock1130\": \"1F566\",\n    \"clock1230\": \"1F567\",\n    \"candle\": \"1F56F-FE0F\",\n    \"mantelpiece_clock\": \"1F570-FE0F\",\n    \"hole\": \"1F573-FE0F\",\n    \"man_in_business_suit_levitating\": \"1F574-FE0F\",\n    \"female-detective\": \"1F575-FE0F-200D-2640-FE0F\",\n    \"male-detective\": \"1F575-FE0F-200D-2642-FE0F\",\n    \"sleuth_or_spy\": \"1F575-FE0F-200D-2642-FE0F\",\n    \"dark_sunglasses\": \"1F576-FE0F\",\n    \"spider\": \"1F577-FE0F\",\n    \"spider_web\": \"1F578-FE0F\",\n    \"joystick\": \"1F579-FE0F\",\n    \"man_dancing\": \"1F57A\",\n    \"linked_paperclips\": \"1F587-FE0F\",\n    \"lower_left_ballpoint_pen\": \"1F58A-FE0F\",\n    \"lower_left_fountain_pen\": \"1F58B-FE0F\",\n    \"lower_left_paintbrush\": \"1F58C-FE0F\",\n    \"lower_left_crayon\": \"1F58D-FE0F\",\n    \"raised_hand_with_fingers_splayed\": \"1F590-FE0F\",\n    \"middle_finger\": \"1F595\",\n    \"spock-hand\": \"1F596\",\n    \"black_heart\": \"1F5A4\",\n    \"desktop_computer\": \"1F5A5-FE0F\",\n    \"printer\": \"1F5A8-FE0F\",\n    \"three_button_mouse\": \"1F5B1-FE0F\",\n    \"trackball\": \"1F5B2-FE0F\",\n    \"frame_with_picture\": \"1F5BC-FE0F\",\n    \"card_index_dividers\": \"1F5C2-FE0F\",\n    \"card_file_box\": \"1F5C3-FE0F\",\n    \"file_cabinet\": \"1F5C4-FE0F\",\n    \"wastebasket\": \"1F5D1-FE0F\",\n    \"spiral_note_pad\": \"1F5D2-FE0F\",\n    \"spiral_calendar_pad\": \"1F5D3-FE0F\",\n    \"compression\": \"1F5DC-FE0F\",\n    \"old_key\": \"1F5DD-FE0F\",\n    \"rolled_up_newspaper\": \"1F5DE-FE0F\",\n    \"dagger_knife\": \"1F5E1-FE0F\",\n    \"speaking_head_in_silhouette\": \"1F5E3-FE0F\",\n    \"left_speech_bubble\": \"1F5E8-FE0F\",\n    \"right_anger_bubble\": \"1F5EF-FE0F\",\n    \"ballot_box_with_ballot\": \"1F5F3-FE0F\",\n    \"world_map\": \"1F5FA-FE0F\",\n    \"mount_fuji\": \"1F5FB\",\n    \"tokyo_tower\": \"1F5FC\",\n    \"statue_of_liberty\": \"1F5FD\",\n    \"japan\": \"1F5FE\",\n    \"moyai\": \"1F5FF\",\n    \"grinning\": \"1F600\",\n    \"grin\": \"1F601\",\n    \"joy\": \"1F602\",\n    \"smiley\": \"1F603\",\n    \"smile\": \"1F604\",\n    \"sweat_smile\": \"1F605\",\n    \"laughing\": \"1F606\",\n    \"innocent\": \"1F607\",\n    \"smiling_imp\": \"1F608\",\n    \"wink\": \"1F609\",\n    \"blush\": \"1F60A\",\n    \"yum\": \"1F60B\",\n    \"relieved\": \"1F60C\",\n    \"heart_eyes\": \"1F60D\",\n    \"sunglasses\": \"1F60E\",\n    \"smirk\": \"1F60F\",\n    \"neutral_face\": \"1F610\",\n    \"expressionless\": \"1F611\",\n    \"unamused\": \"1F612\",\n    \"sweat\": \"1F613\",\n    \"pensive\": \"1F614\",\n    \"confused\": \"1F615\",\n    \"confounded\": \"1F616\",\n    \"kissing\": \"1F617\",\n    \"kissing_heart\": \"1F618\",\n    \"kissing_smiling_eyes\": \"1F619\",\n    \"kissing_closed_eyes\": \"1F61A\",\n    \"stuck_out_tongue\": \"1F61B\",\n    \"stuck_out_tongue_winking_eye\": \"1F61C\",\n    \"stuck_out_tongue_closed_eyes\": \"1F61D\",\n    \"disappointed\": \"1F61E\",\n    \"worried\": \"1F61F\",\n    \"angry\": \"1F620\",\n    \"rage\": \"1F621\",\n    \"cry\": \"1F622\",\n    \"persevere\": \"1F623\",\n    \"triumph\": \"1F624\",\n    \"disappointed_relieved\": \"1F625\",\n    \"frowning\": \"1F626\",\n    \"anguished\": \"1F627\",\n    \"fearful\": \"1F628\",\n    \"weary\": \"1F629\",\n    \"sleepy\": \"1F62A\",\n    \"tired_face\": \"1F62B\",\n    \"grimacing\": \"1F62C\",\n    \"sob\": \"1F62D\",\n    \"open_mouth\": \"1F62E\",\n    \"hushed\": \"1F62F\",\n    \"cold_sweat\": \"1F630\",\n    \"scream\": \"1F631\",\n    \"astonished\": \"1F632\",\n    \"flushed\": \"1F633\",\n    \"sleeping\": \"1F634\",\n    \"dizzy_face\": \"1F635\",\n    \"no_mouth\": \"1F636\",\n    \"mask\": \"1F637\",\n    \"smile_cat\": \"1F638\",\n    \"joy_cat\": \"1F639\",\n    \"smiley_cat\": \"1F63A\",\n    \"heart_eyes_cat\": \"1F63B\",\n    \"smirk_cat\": \"1F63C\",\n    \"kissing_cat\": \"1F63D\",\n    \"pouting_cat\": \"1F63E\",\n    \"crying_cat_face\": \"1F63F\",\n    \"scream_cat\": \"1F640\",\n    \"slightly_frowning_face\": \"1F641\",\n    \"slightly_smiling_face\": \"1F642\",\n    \"upside_down_face\": \"1F643\",\n    \"face_with_rolling_eyes\": \"1F644\",\n    \"woman-gesturing-no\": \"1F645-200D-2640-FE0F\",\n    \"man-gesturing-no\": \"1F645-200D-2642-FE0F\",\n    \"no_good\": \"1F645-200D-2640-FE0F\",\n    \"woman-gesturing-ok\": \"1F646-200D-2640-FE0F\",\n    \"man-gesturing-ok\": \"1F646-200D-2642-FE0F\",\n    \"ok_woman\": \"1F646-200D-2640-FE0F\",\n    \"woman-bowing\": \"1F647-200D-2640-FE0F\",\n    \"man-bowing\": \"1F647-200D-2642-FE0F\",\n    \"bow\": \"1F647-200D-2642-FE0F\",\n    \"see_no_evil\": \"1F648\",\n    \"hear_no_evil\": \"1F649\",\n    \"speak_no_evil\": \"1F64A\",\n    \"woman-raising-hand\": \"1F64B-200D-2640-FE0F\",\n    \"man-raising-hand\": \"1F64B-200D-2642-FE0F\",\n    \"raising_hand\": \"1F64B-200D-2640-FE0F\",\n    \"raised_hands\": \"1F64C\",\n    \"woman-frowning\": \"1F64D-200D-2640-FE0F\",\n    \"man-frowning\": \"1F64D-200D-2642-FE0F\",\n    \"person_frowning\": \"1F64D-200D-2640-FE0F\",\n    \"woman-pouting\": \"1F64E-200D-2640-FE0F\",\n    \"man-pouting\": \"1F64E-200D-2642-FE0F\",\n    \"person_with_pouting_face\": \"1F64E-200D-2640-FE0F\",\n    \"pray\": \"1F64F\",\n    \"rocket\": \"1F680\",\n    \"helicopter\": \"1F681\",\n    \"steam_locomotive\": \"1F682\",\n    \"railway_car\": \"1F683\",\n    \"bullettrain_side\": \"1F684\",\n    \"bullettrain_front\": \"1F685\",\n    \"train2\": \"1F686\",\n    \"metro\": \"1F687\",\n    \"light_rail\": \"1F688\",\n    \"station\": \"1F689\",\n    \"tram\": \"1F68A\",\n    \"train\": \"1F68B\",\n    \"bus\": \"1F68C\",\n    \"oncoming_bus\": \"1F68D\",\n    \"trolleybus\": \"1F68E\",\n    \"busstop\": \"1F68F\",\n    \"minibus\": \"1F690\",\n    \"ambulance\": \"1F691\",\n    \"fire_engine\": \"1F692\",\n    \"police_car\": \"1F693\",\n    \"oncoming_police_car\": \"1F694\",\n    \"taxi\": \"1F695\",\n    \"oncoming_taxi\": \"1F696\",\n    \"car\": \"1F697\",\n    \"oncoming_automobile\": \"1F698\",\n    \"blue_car\": \"1F699\",\n    \"truck\": \"1F69A\",\n    \"articulated_lorry\": \"1F69B\",\n    \"tractor\": \"1F69C\",\n    \"monorail\": \"1F69D\",\n    \"mountain_railway\": \"1F69E\",\n    \"suspension_railway\": \"1F69F\",\n    \"mountain_cableway\": \"1F6A0\",\n    \"aerial_tramway\": \"1F6A1\",\n    \"ship\": \"1F6A2\",\n    \"woman-rowing-boat\": \"1F6A3-200D-2640-FE0F\",\n    \"man-rowing-boat\": \"1F6A3-200D-2642-FE0F\",\n    \"rowboat\": \"1F6A3-200D-2642-FE0F\",\n    \"speedboat\": \"1F6A4\",\n    \"traffic_light\": \"1F6A5\",\n    \"vertical_traffic_light\": \"1F6A6\",\n    \"construction\": \"1F6A7\",\n    \"rotating_light\": \"1F6A8\",\n    \"triangular_flag_on_post\": \"1F6A9\",\n    \"door\": \"1F6AA\",\n    \"no_entry_sign\": \"1F6AB\",\n    \"smoking\": \"1F6AC\",\n    \"no_smoking\": \"1F6AD\",\n    \"put_litter_in_its_place\": \"1F6AE\",\n    \"do_not_litter\": \"1F6AF\",\n    \"potable_water\": \"1F6B0\",\n    \"non-potable_water\": \"1F6B1\",\n    \"bike\": \"1F6B2\",\n    \"no_bicycles\": \"1F6B3\",\n    \"woman-biking\": \"1F6B4-200D-2640-FE0F\",\n    \"man-biking\": \"1F6B4-200D-2642-FE0F\",\n    \"bicyclist\": \"1F6B4-200D-2642-FE0F\",\n    \"woman-mountain-biking\": \"1F6B5-200D-2640-FE0F\",\n    \"man-mountain-biking\": \"1F6B5-200D-2642-FE0F\",\n    \"mountain_bicyclist\": \"1F6B5-200D-2642-FE0F\",\n    \"woman-walking\": \"1F6B6-200D-2640-FE0F\",\n    \"man-walking\": \"1F6B6-200D-2642-FE0F\",\n    \"walking\": \"1F6B6-200D-2642-FE0F\",\n    \"no_pedestrians\": \"1F6B7\",\n    \"children_crossing\": \"1F6B8\",\n    \"mens\": \"1F6B9\",\n    \"womens\": \"1F6BA\",\n    \"restroom\": \"1F6BB\",\n    \"baby_symbol\": \"1F6BC\",\n    \"toilet\": \"1F6BD\",\n    \"wc\": \"1F6BE\",\n    \"shower\": \"1F6BF\",\n    \"bath\": \"1F6C0\",\n    \"bathtub\": \"1F6C1\",\n    \"passport_control\": \"1F6C2\",\n    \"customs\": \"1F6C3\",\n    \"baggage_claim\": \"1F6C4\",\n    \"left_luggage\": \"1F6C5\",\n    \"couch_and_lamp\": \"1F6CB-FE0F\",\n    \"sleeping_accommodation\": \"1F6CC\",\n    \"shopping_bags\": \"1F6CD-FE0F\",\n    \"bellhop_bell\": \"1F6CE-FE0F\",\n    \"bed\": \"1F6CF-FE0F\",\n    \"place_of_worship\": \"1F6D0\",\n    \"octagonal_sign\": \"1F6D1\",\n    \"shopping_trolley\": \"1F6D2\",\n    \"hammer_and_wrench\": \"1F6E0-FE0F\",\n    \"shield\": \"1F6E1-FE0F\",\n    \"oil_drum\": \"1F6E2-FE0F\",\n    \"motorway\": \"1F6E3-FE0F\",\n    \"railway_track\": \"1F6E4-FE0F\",\n    \"motor_boat\": \"1F6E5-FE0F\",\n    \"small_airplane\": \"1F6E9-FE0F\",\n    \"airplane_departure\": \"1F6EB\",\n    \"airplane_arriving\": \"1F6EC\",\n    \"satellite\": \"1F6F0-FE0F\",\n    \"passenger_ship\": \"1F6F3-FE0F\",\n    \"scooter\": \"1F6F4\",\n    \"motor_scooter\": \"1F6F5\",\n    \"canoe\": \"1F6F6\",\n    \"sled\": \"1F6F7\",\n    \"flying_saucer\": \"1F6F8\",\n    \"zipper_mouth_face\": \"1F910\",\n    \"money_mouth_face\": \"1F911\",\n    \"face_with_thermometer\": \"1F912\",\n    \"nerd_face\": \"1F913\",\n    \"thinking_face\": \"1F914\",\n    \"face_with_head_bandage\": \"1F915\",\n    \"robot_face\": \"1F916\",\n    \"hugging_face\": \"1F917\",\n    \"the_horns\": \"1F918\",\n    \"call_me_hand\": \"1F919\",\n    \"raised_back_of_hand\": \"1F91A\",\n    \"left-facing_fist\": \"1F91B\",\n    \"right-facing_fist\": \"1F91C\",\n    \"handshake\": \"1F91D\",\n    \"crossed_fingers\": \"1F91E\",\n    \"i_love_you_hand_sign\": \"1F91F\",\n    \"face_with_cowboy_hat\": \"1F920\",\n    \"clown_face\": \"1F921\",\n    \"nauseated_face\": \"1F922\",\n    \"rolling_on_the_floor_laughing\": \"1F923\",\n    \"drooling_face\": \"1F924\",\n    \"lying_face\": \"1F925\",\n    \"woman-facepalming\": \"1F926-200D-2640-FE0F\",\n    \"man-facepalming\": \"1F926-200D-2642-FE0F\",\n    \"face_palm\": \"1F926\",\n    \"sneezing_face\": \"1F927\",\n    \"face_with_raised_eyebrow\": \"1F928\",\n    \"star-struck\": \"1F929\",\n    \"zany_face\": \"1F92A\",\n    \"shushing_face\": \"1F92B\",\n    \"face_with_symbols_on_mouth\": \"1F92C\",\n    \"face_with_hand_over_mouth\": \"1F92D\",\n    \"face_vomiting\": \"1F92E\",\n    \"exploding_head\": \"1F92F\",\n    \"pregnant_woman\": \"1F930\",\n    \"breast-feeding\": \"1F931\",\n    \"palms_up_together\": \"1F932\",\n    \"selfie\": \"1F933\",\n    \"prince\": \"1F934\",\n    \"man_in_tuxedo\": \"1F935\",\n    \"mrs_claus\": \"1F936\",\n    \"woman-shrugging\": \"1F937-200D-2640-FE0F\",\n    \"man-shrugging\": \"1F937-200D-2642-FE0F\",\n    \"shrug\": \"1F937\",\n    \"woman-cartwheeling\": \"1F938-200D-2640-FE0F\",\n    \"man-cartwheeling\": \"1F938-200D-2642-FE0F\",\n    \"person_doing_cartwheel\": \"1F938\",\n    \"woman-juggling\": \"1F939-200D-2640-FE0F\",\n    \"man-juggling\": \"1F939-200D-2642-FE0F\",\n    \"juggling\": \"1F939\",\n    \"fencer\": \"1F93A\",\n    \"woman-wrestling\": \"1F93C-200D-2640-FE0F\",\n    \"man-wrestling\": \"1F93C-200D-2642-FE0F\",\n    \"wrestlers\": \"1F93C\",\n    \"woman-playing-water-polo\": \"1F93D-200D-2640-FE0F\",\n    \"man-playing-water-polo\": \"1F93D-200D-2642-FE0F\",\n    \"water_polo\": \"1F93D\",\n    \"woman-playing-handball\": \"1F93E-200D-2640-FE0F\",\n    \"man-playing-handball\": \"1F93E-200D-2642-FE0F\",\n    \"handball\": \"1F93E\",\n    \"wilted_flower\": \"1F940\",\n    \"drum_with_drumsticks\": \"1F941\",\n    \"clinking_glasses\": \"1F942\",\n    \"tumbler_glass\": \"1F943\",\n    \"spoon\": \"1F944\",\n    \"goal_net\": \"1F945\",\n    \"first_place_medal\": \"1F947\",\n    \"second_place_medal\": \"1F948\",\n    \"third_place_medal\": \"1F949\",\n    \"boxing_glove\": \"1F94A\",\n    \"martial_arts_uniform\": \"1F94B\",\n    \"curling_stone\": \"1F94C\",\n    \"croissant\": \"1F950\",\n    \"avocado\": \"1F951\",\n    \"cucumber\": \"1F952\",\n    \"bacon\": \"1F953\",\n    \"potato\": \"1F954\",\n    \"carrot\": \"1F955\",\n    \"baguette_bread\": \"1F956\",\n    \"green_salad\": \"1F957\",\n    \"shallow_pan_of_food\": \"1F958\",\n    \"stuffed_flatbread\": \"1F959\",\n    \"egg\": \"1F95A\",\n    \"glass_of_milk\": \"1F95B\",\n    \"peanuts\": \"1F95C\",\n    \"kiwifruit\": \"1F95D\",\n    \"pancakes\": \"1F95E\",\n    \"dumpling\": \"1F95F\",\n    \"fortune_cookie\": \"1F960\",\n    \"takeout_box\": \"1F961\",\n    \"chopsticks\": \"1F962\",\n    \"bowl_with_spoon\": \"1F963\",\n    \"cup_with_straw\": \"1F964\",\n    \"coconut\": \"1F965\",\n    \"broccoli\": \"1F966\",\n    \"pie\": \"1F967\",\n    \"pretzel\": \"1F968\",\n    \"cut_of_meat\": \"1F969\",\n    \"sandwich\": \"1F96A\",\n    \"canned_food\": \"1F96B\",\n    \"crab\": \"1F980\",\n    \"lion_face\": \"1F981\",\n    \"scorpion\": \"1F982\",\n    \"turkey\": \"1F983\",\n    \"unicorn_face\": \"1F984\",\n    \"eagle\": \"1F985\",\n    \"duck\": \"1F986\",\n    \"bat\": \"1F987\",\n    \"shark\": \"1F988\",\n    \"owl\": \"1F989\",\n    \"fox_face\": \"1F98A\",\n    \"butterfly\": \"1F98B\",\n    \"deer\": \"1F98C\",\n    \"gorilla\": \"1F98D\",\n    \"lizard\": \"1F98E\",\n    \"rhinoceros\": \"1F98F\",\n    \"shrimp\": \"1F990\",\n    \"squid\": \"1F991\",\n    \"giraffe_face\": \"1F992\",\n    \"zebra_face\": \"1F993\",\n    \"hedgehog\": \"1F994\",\n    \"sauropod\": \"1F995\",\n    \"t-rex\": \"1F996\",\n    \"cricket\": \"1F997\",\n    \"cheese_wedge\": \"1F9C0\",\n    \"face_with_monocle\": \"1F9D0\",\n    \"adult\": \"1F9D1\",\n    \"child\": \"1F9D2\",\n    \"older_adult\": \"1F9D3\",\n    \"bearded_person\": \"1F9D4\",\n    \"person_with_headscarf\": \"1F9D5\",\n    \"woman_in_steamy_room\": \"1F9D6-200D-2640-FE0F\",\n    \"man_in_steamy_room\": \"1F9D6-200D-2642-FE0F\",\n    \"person_in_steamy_room\": \"1F9D6-200D-2642-FE0F\",\n    \"woman_climbing\": \"1F9D7-200D-2640-FE0F\",\n    \"man_climbing\": \"1F9D7-200D-2642-FE0F\",\n    \"person_climbing\": \"1F9D7-200D-2640-FE0F\",\n    \"woman_in_lotus_position\": \"1F9D8-200D-2640-FE0F\",\n    \"man_in_lotus_position\": \"1F9D8-200D-2642-FE0F\",\n    \"person_in_lotus_position\": \"1F9D8-200D-2640-FE0F\",\n    \"female_mage\": \"1F9D9-200D-2640-FE0F\",\n    \"male_mage\": \"1F9D9-200D-2642-FE0F\",\n    \"mage\": \"1F9D9-200D-2640-FE0F\",\n    \"female_fairy\": \"1F9DA-200D-2640-FE0F\",\n    \"male_fairy\": \"1F9DA-200D-2642-FE0F\",\n    \"fairy\": \"1F9DA-200D-2640-FE0F\",\n    \"female_vampire\": \"1F9DB-200D-2640-FE0F\",\n    \"male_vampire\": \"1F9DB-200D-2642-FE0F\",\n    \"vampire\": \"1F9DB-200D-2640-FE0F\",\n    \"mermaid\": \"1F9DC-200D-2640-FE0F\",\n    \"merman\": \"1F9DC-200D-2642-FE0F\",\n    \"merperson\": \"1F9DC-200D-2642-FE0F\",\n    \"female_elf\": \"1F9DD-200D-2640-FE0F\",\n    \"male_elf\": \"1F9DD-200D-2642-FE0F\",\n    \"elf\": \"1F9DD-200D-2642-FE0F\",\n    \"female_genie\": \"1F9DE-200D-2640-FE0F\",\n    \"male_genie\": \"1F9DE-200D-2642-FE0F\",\n    \"genie\": \"1F9DE-200D-2642-FE0F\",\n    \"female_zombie\": \"1F9DF-200D-2640-FE0F\",\n    \"male_zombie\": \"1F9DF-200D-2642-FE0F\",\n    \"zombie\": \"1F9DF-200D-2642-FE0F\",\n    \"brain\": \"1F9E0\",\n    \"orange_heart\": \"1F9E1\",\n    \"billed_cap\": \"1F9E2\",\n    \"scarf\": \"1F9E3\",\n    \"gloves\": \"1F9E4\",\n    \"coat\": \"1F9E5\",\n    \"socks\": \"1F9E6\",\n    \"bangbang\": \"203C-FE0F\",\n    \"interrobang\": \"2049-FE0F\",\n    \"tm\": \"2122-FE0F\",\n    \"information_source\": \"2139-FE0F\",\n    \"left_right_arrow\": \"2194-FE0F\",\n    \"arrow_up_down\": \"2195-FE0F\",\n    \"arrow_upper_left\": \"2196-FE0F\",\n    \"arrow_upper_right\": \"2197-FE0F\",\n    \"arrow_lower_right\": \"2198-FE0F\",\n    \"arrow_lower_left\": \"2199-FE0F\",\n    \"leftwards_arrow_with_hook\": \"21A9-FE0F\",\n    \"arrow_right_hook\": \"21AA-FE0F\",\n    \"watch\": \"231A\",\n    \"hourglass\": \"231B\",\n    \"keyboard\": \"2328-FE0F\",\n    \"eject\": \"23CF-FE0F\",\n    \"fast_forward\": \"23E9\",\n    \"rewind\": \"23EA\",\n    \"arrow_double_up\": \"23EB\",\n    \"arrow_double_down\": \"23EC\",\n    \"black_right_pointing_double_triangle_with_vertical_bar\": \"23ED-FE0F\",\n    \"black_left_pointing_double_triangle_with_vertical_bar\": \"23EE-FE0F\",\n    \"black_right_pointing_triangle_with_double_vertical_bar\": \"23EF-FE0F\",\n    \"alarm_clock\": \"23F0\",\n    \"stopwatch\": \"23F1-FE0F\",\n    \"timer_clock\": \"23F2-FE0F\",\n    \"hourglass_flowing_sand\": \"23F3\",\n    \"double_vertical_bar\": \"23F8-FE0F\",\n    \"black_square_for_stop\": \"23F9-FE0F\",\n    \"black_circle_for_record\": \"23FA-FE0F\",\n    \"m\": \"24C2-FE0F\",\n    \"black_small_square\": \"25AA-FE0F\",\n    \"white_small_square\": \"25AB-FE0F\",\n    \"arrow_forward\": \"25B6-FE0F\",\n    \"arrow_backward\": \"25C0-FE0F\",\n    \"white_medium_square\": \"25FB-FE0F\",\n    \"black_medium_square\": \"25FC-FE0F\",\n    \"white_medium_small_square\": \"25FD\",\n    \"black_medium_small_square\": \"25FE\",\n    \"sunny\": \"2600-FE0F\",\n    \"cloud\": \"2601-FE0F\",\n    \"umbrella\": \"2602-FE0F\",\n    \"snowman\": \"2603-FE0F\",\n    \"comet\": \"2604-FE0F\",\n    \"phone\": \"260E-FE0F\",\n    \"ballot_box_with_check\": \"2611-FE0F\",\n    \"umbrella_with_rain_drops\": \"2614\",\n    \"coffee\": \"2615\",\n    \"shamrock\": \"2618-FE0F\",\n    \"point_up\": \"261D-FE0F\",\n    \"skull_and_crossbones\": \"2620-FE0F\",\n    \"radioactive_sign\": \"2622-FE0F\",\n    \"biohazard_sign\": \"2623-FE0F\",\n    \"orthodox_cross\": \"2626-FE0F\",\n    \"star_and_crescent\": \"262A-FE0F\",\n    \"peace_symbol\": \"262E-FE0F\",\n    \"yin_yang\": \"262F-FE0F\",\n    \"wheel_of_dharma\": \"2638-FE0F\",\n    \"white_frowning_face\": \"2639-FE0F\",\n    \"relaxed\": \"263A-FE0F\",\n    \"female_sign\": \"2640-FE0F\",\n    \"male_sign\": \"2642-FE0F\",\n    \"aries\": \"2648\",\n    \"taurus\": \"2649\",\n    \"gemini\": \"264A\",\n    \"cancer\": \"264B\",\n    \"leo\": \"264C\",\n    \"virgo\": \"264D\",\n    \"libra\": \"264E\",\n    \"scorpius\": \"264F\",\n    \"sagittarius\": \"2650\",\n    \"capricorn\": \"2651\",\n    \"aquarius\": \"2652\",\n    \"pisces\": \"2653\",\n    \"spades\": \"2660-FE0F\",\n    \"clubs\": \"2663-FE0F\",\n    \"hearts\": \"2665-FE0F\",\n    \"diamonds\": \"2666-FE0F\",\n    \"hotsprings\": \"2668-FE0F\",\n    \"recycle\": \"267B-FE0F\",\n    \"wheelchair\": \"267F\",\n    \"hammer_and_pick\": \"2692-FE0F\",\n    \"anchor\": \"2693\",\n    \"crossed_swords\": \"2694-FE0F\",\n    \"medical_symbol\": \"2695-FE0F\",\n    \"scales\": \"2696-FE0F\",\n    \"alembic\": \"2697-FE0F\",\n    \"gear\": \"2699-FE0F\",\n    \"atom_symbol\": \"269B-FE0F\",\n    \"fleur_de_lis\": \"269C-FE0F\",\n    \"warning\": \"26A0-FE0F\",\n    \"zap\": \"26A1\",\n    \"white_circle\": \"26AA\",\n    \"black_circle\": \"26AB\",\n    \"coffin\": \"26B0-FE0F\",\n    \"funeral_urn\": \"26B1-FE0F\",\n    \"soccer\": \"26BD\",\n    \"baseball\": \"26BE\",\n    \"snowman_without_snow\": \"26C4\",\n    \"partly_sunny\": \"26C5\",\n    \"thunder_cloud_and_rain\": \"26C8-FE0F\",\n    \"ophiuchus\": \"26CE\",\n    \"pick\": \"26CF-FE0F\",\n    \"helmet_with_white_cross\": \"26D1-FE0F\",\n    \"chains\": \"26D3-FE0F\",\n    \"no_entry\": \"26D4\",\n    \"shinto_shrine\": \"26E9-FE0F\",\n    \"church\": \"26EA\",\n    \"mountain\": \"26F0-FE0F\",\n    \"umbrella_on_ground\": \"26F1-FE0F\",\n    \"fountain\": \"26F2\",\n    \"golf\": \"26F3\",\n    \"ferry\": \"26F4-FE0F\",\n    \"boat\": \"26F5\",\n    \"skier\": \"26F7-FE0F\",\n    \"ice_skate\": \"26F8-FE0F\",\n    \"woman-bouncing-ball\": \"26F9-FE0F-200D-2640-FE0F\",\n    \"man-bouncing-ball\": \"26F9-FE0F-200D-2642-FE0F\",\n    \"person_with_ball\": \"26F9-FE0F-200D-2642-FE0F\",\n    \"tent\": \"26FA\",\n    \"fuelpump\": \"26FD\",\n    \"scissors\": \"2702-FE0F\",\n    \"white_check_mark\": \"2705\",\n    \"airplane\": \"2708-FE0F\",\n    \"email\": \"2709-FE0F\",\n    \"fist\": \"270A\",\n    \"hand\": \"270B\",\n    \"v\": \"270C-FE0F\",\n    \"writing_hand\": \"270D-FE0F\",\n    \"pencil2\": \"270F-FE0F\",\n    \"black_nib\": \"2712-FE0F\",\n    \"heavy_check_mark\": \"2714-FE0F\",\n    \"heavy_multiplication_x\": \"2716-FE0F\",\n    \"latin_cross\": \"271D-FE0F\",\n    \"star_of_david\": \"2721-FE0F\",\n    \"sparkles\": \"2728\",\n    \"eight_spoked_asterisk\": \"2733-FE0F\",\n    \"eight_pointed_black_star\": \"2734-FE0F\",\n    \"snowflake\": \"2744-FE0F\",\n    \"sparkle\": \"2747-FE0F\",\n    \"x\": \"274C\",\n    \"negative_squared_cross_mark\": \"274E\",\n    \"question\": \"2753\",\n    \"grey_question\": \"2754\",\n    \"grey_exclamation\": \"2755\",\n    \"exclamation\": \"2757\",\n    \"heavy_heart_exclamation_mark_ornament\": \"2763-FE0F\",\n    \"heart\": \"2764-FE0F\",\n    \"heavy_plus_sign\": \"2795\",\n    \"heavy_minus_sign\": \"2796\",\n    \"heavy_division_sign\": \"2797\",\n    \"arrow_right\": \"27A1-FE0F\",\n    \"curly_loop\": \"27B0\",\n    \"loop\": \"27BF\",\n    \"arrow_heading_up\": \"2934-FE0F\",\n    \"arrow_heading_down\": \"2935-FE0F\",\n    \"arrow_left\": \"2B05-FE0F\",\n    \"arrow_up\": \"2B06-FE0F\",\n    \"arrow_down\": \"2B07-FE0F\",\n    \"black_large_square\": \"2B1B\",\n    \"white_large_square\": \"2B1C\",\n    \"star\": \"2B50\",\n    \"o\": \"2B55\",\n    \"wavy_dash\": \"3030-FE0F\",\n    \"part_alternation_mark\": \"303D-FE0F\",\n    \"congratulations\": \"3297-FE0F\",\n    \"secret\": 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diff --git a/lib/amd/build/emoji/picker.min.js b/lib/amd/build/emoji/picker.min.js
index 7fa874d760b..2edee6a88a4 100644
--- a/lib/amd/build/emoji/picker.min.js
+++ b/lib/amd/build/emoji/picker.min.js
@@ -1,2 +1,3 @@
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target=e.target;isEmojiElement(target)&&(emojiShortName.textContent="",emojiPreview.textContent="")}},getHandleScroll=function(root,currentVisibleRowScrollPosition,emojiContainer,initialCategoryScrollPositions,renderAtPosition){var _getCategoryByScrollP2=_slicedToArray(getCategoryByScrollPosition(root,emojiContainer.scrollTop,initialCategoryScrollPositions),3),currentCategoryElement=_getCategoryByScrollP2[0],previousCategoryPosition=_getCategoryByScrollP2[1],nextCategoryPosition=_getCategoryByScrollP2[2];return function(categoryScrollPositions,rowData){var newScrollPosition=emojiContainer.scrollTop,updateRenderRows=newScrollPosition<currentVisibleRowScrollPosition-40||newScrollPosition>currentVisibleRowScrollPosition+40;if(newScrollPosition>=nextCategoryPosition||newScrollPosition<previousCategoryPosition){var _getCategoryByScrollP4=_slicedToArray(getCategoryByScrollPosition(root,newScrollPosition,categoryScrollPositions),3);currentCategoryElement=_getCategoryByScrollP4[0],previousCategoryPosition=_getCategoryByScrollP4[1],nextCategoryPosition=_getCategoryByScrollP4[2],function(root,element){for(var allCategorySelectors=root.querySelectorAll(SELECTORS_CATEGORY_SELECTOR),i=0;i<allCategorySelectors.length;i++)allCategorySelectors[i].classList.remove("selected");element.classList.add("selected")}(root,currentCategoryElement)}updateRenderRows&&requestAnimationFrame((function(){renderAtPosition(newScrollPosition,rowData),currentVisibleRowScrollPosition=newScrollPosition}))}},registerEventListeners=function(root,emojiContainer,renderAtPosition,currentVisibleRowScrollPosition,selectCallback,categoryScrollPositions,rowData,recentEmojiRowCount){var searchInput=root.querySelector(SELECTORS_SEARCH_INPUT),searchResultsContainer=root.querySelector(SELECTORS_SEARCH_RESULTS_CONTAINER),emojiPreview=root.querySelector(SELECTORS_EMOJI_PREVIEW),emojiShortName=root.querySelector(SELECTORS_EMOJI_SHORT_NAME),clickHandler=function(recentEmojiRowCount,emojiContainer,searchResultsContainer,searchInput,selectCallback,renderAtPosition){return function(e,rowData,categoryScrollPositions){var target=e.target,newRowData=rowData,newCategoryScrollPositions=categoryScrollPositions;if(clearSearch(emojiContainer,searchResultsContainer,searchInput),isEmojiElement(target)){var emojiData={unified:target.getAttribute("data-unified"),shortnames:target.getAttribute("data-short-names").replace(/:/g,"").split(" ")},currentScrollTop=emojiContainer.scrollTop,isRecentEmojiRowVisible=null!==emojiContainer.querySelector('[data-row="'.concat(recentEmojiRowCount-1,'"]')),_addRecentEmoji2=_slicedToArray(addRecentEmoji(rowData,recentEmojiRowCount,emojiData),2);return newRowData=_addRecentEmoji2[0],recentEmojiRowCount=_addRecentEmoji2[1],newCategoryScrollPositions=getCategoryScrollPositionsFromRowData(newRowData),isRecentEmojiRowVisible&&renderAtPosition(currentScrollTop,newRowData),selectCallback(target.textContent),[newRowData,newCategoryScrollPositions]}var categorySelector=findCategorySelectorFromElement(target);if(categorySelector){var position=categoryScrollPositions[categorySelector.getAttribute("data-category")];emojiContainer.scrollTop=position}return[newRowData,newCategoryScrollPositions]}}(recentEmojiRowCount,emojiContainer,searchResultsContainer,searchInput,selectCallback,renderAtPosition),scrollHandler=getHandleScroll(root,currentVisibleRowScrollPosition,emojiContainer,categoryScrollPositions,renderAtPosition),searchHandler=function(searchInput,searchResultsContainer,emojiContainer){var rowContainer=searchResultsContainer.querySelector(SELECTORS_ROW_CONTAINER),renderSearchResultsAtPosition=generateRenderRowsAtPositionFunction(rowContainer);return searchResultsContainer.appendChild(rowContainer),_asyncToGenerator(regeneratorRuntime.mark((function _callee6(){var searchTerm,matchingEmojis,searchResultsString,rowData;return regeneratorRuntime.wrap((function(_context6){for(;;)switch(_context6.prev=_context6.next){case 0:if(!(searchTerm=searchInput.value.toLowerCase())){_context6.next=11;break}return showSearchResults(emojiContainer,searchResultsContainer),matchingEmojis=Object.keys(EmojiData.byShortName).reduce((function(carry,shortName){return shortName.includes(searchTerm)&&carry.push({shortnames:[shortName],unified:EmojiData.byShortName[shortName]}),carry}),[]),_context6.next=6,(0,_str.get_string)("searchresults","core");case 6:searchResultsString=_context6.sent,rowData=createRowDataForCategory(searchResultsString,searchResultsString,matchingEmojis,0),renderSearchResultsAtPosition(0,rowData,rowData.length),_context6.next=12;break;case 11:clearSearch(emojiContainer,searchResultsContainer,searchInput);case 12:case"end":return _context6.stop()}}),_callee6)})))}(searchInput,searchResultsContainer,emojiContainer);root.addEventListener("focus",getHandleMouseEnter(emojiPreview,emojiShortName),!0),root.addEventListener("blur",getHandleMouseLeave(emojiPreview,emojiShortName),!0),root.addEventListener("mouseenter",getHandleMouseEnter(emojiPreview,emojiShortName),!0),root.addEventListener("mouseleave",getHandleMouseLeave(emojiPreview,emojiShortName),!0),root.addEventListener("click",(function(e){var _clickHandler2=_slicedToArray(clickHandler(e,rowData,categoryScrollPositions),2);rowData=_clickHandler2[0],categoryScrollPositions=_clickHandler2[1]})),emojiContainer.addEventListener("scroll",(0,_utils.throttle)((function(){return scrollHandler(categoryScrollPositions,rowData)}),50)),searchInput.addEventListener("input",(0,_utils.debounce)(searchHandler,200))};return _exports.default=function(root,selectCallback){var emojiContainer=root.querySelector(SELECTORS_EMOJIS_CONTAINER),rowContainer=emojiContainer.querySelector(SELECTORS_ROW_CONTAINER),allData=[{name:"Recent",emojis:getRecentEmojis()}].concat(_toConsumableArray(EmojiData.byCategory)),rowData=[],recentEmojiRowCount=0;allData.forEach((function(category){var categoryDisplayName=getCategorySelectorByCategoryName(root,category.name).title,categoryRowData=createRowDataForCategory(category.name,categoryDisplayName,category.emojis,rowData.length);"Recent"===category.name&&(recentEmojiRowCount=categoryRowData.length),rowData=rowData.concat(categoryRowData)})),rowData=addIndexesToRowData(rowData);var categoryScrollPositions=getCategoryScrollPositionsFromRowData(rowData),renderAtPosition=generateRenderRowsAtPositionFunction(rowContainer);renderAtPosition(0,rowData),registerEventListeners(root,emojiContainer,renderAtPosition,0,selectCallback,categoryScrollPositions,rowData,recentEmojiRowCount)},_exports.default}));
+
+//# sourceMappingURL=picker.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/emoji/picker.min.js.map b/lib/amd/build/emoji/picker.min.js.map
index a0c9862f376..bf1ca49e2dd 100644
--- a/lib/amd/build/emoji/picker.min.js.map
+++ b/lib/amd/build/emoji/picker.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji picker.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport LocalStorage from 'core/localstorage';\nimport * as EmojiData from 'core/emoji/data';\nimport {throttle, debounce} from 'core/utils';\nimport {get_string} from 'core/str';\nimport {render as renderTemplate} from 'core/templates';\n\nconst VISIBLE_ROW_COUNT = 10;\nconst ROW_RENDER_BUFFER_COUNT = 5;\nconst RECENT_EMOJIS_STORAGE_KEY = 'moodle-recent-emojis';\nconst ROW_HEIGHT_RAW = 40;\nconst EMOJIS_PER_ROW = 7;\nconst MAX_RECENT_COUNT = EMOJIS_PER_ROW * 3;\nconst ROW_TYPE = {\n    EMOJI: 0,\n    HEADER: 1\n};\nconst SELECTORS = {\n    CATEGORY_SELECTOR: '[data-action=\"show-category\"]',\n    EMOJIS_CONTAINER: '[data-region=\"emojis-container\"]',\n    EMOJI_PREVIEW: '[data-region=\"emoji-preview\"]',\n    EMOJI_SHORT_NAME: '[data-region=\"emoji-short-name\"]',\n    ROW_CONTAINER: '[data-region=\"row-container\"]',\n    SEARCH_INPUT: '[data-region=\"search-input\"]',\n    SEARCH_RESULTS_CONTAINER: '[data-region=\"search-results-container\"]'\n};\n\n/**\n * Create the row data for a category.\n *\n * @param {String} categoryName The category name\n * @param {String} categoryDisplayName The category display name\n * @param {Array} emojis The emoji data\n * @param {Number} totalRowCount The total number of rows generated so far\n * @return {Array}\n */\nconst createRowDataForCategory = (categoryName, categoryDisplayName, emojis, totalRowCount) => {\n    const rowData = [];\n    rowData.push({\n        index: totalRowCount + rowData.length,\n        type: ROW_TYPE.HEADER,\n        data: {\n            name: categoryName,\n            displayName: categoryDisplayName\n        }\n    });\n\n    for (let i = 0; i < emojis.length; i += EMOJIS_PER_ROW) {\n        const rowEmojis = emojis.slice(i, i + EMOJIS_PER_ROW);\n        rowData.push({\n            index: totalRowCount + rowData.length,\n            type: ROW_TYPE.EMOJI,\n            data: rowEmojis\n        });\n    }\n\n    return rowData;\n};\n\n/**\n * Add each row's index to it's value in the row data.\n *\n * @param {Array} rowData List of emoji row data\n * @return {Array}\n */\nconst addIndexesToRowData = (rowData) => {\n    return rowData.map((data, index) => {\n        return {...data, index};\n    });\n};\n\n/**\n * Calculate the scroll position for the beginning of each category from\n * the row data.\n *\n * @param {Array} rowData List of emoji row data\n * @return {Object}\n */\nconst getCategoryScrollPositionsFromRowData = (rowData) => {\n    return rowData.reduce((carry, row, index) => {\n        if (row.type === ROW_TYPE.HEADER) {\n            carry[row.data.name] = index * ROW_HEIGHT_RAW;\n        }\n        return carry;\n    }, {});\n};\n\n/**\n * Create a header row element for the category name.\n *\n * @param {Number} rowIndex Index of the row in the row data\n * @param {String} name The category display name\n * @return {Element}\n */\nconst createHeaderRow = async (rowIndex, name) => {\n    const context = {\n        index: rowIndex,\n        text: name\n    };\n    const html = await renderTemplate('core/emoji/header_row', context);\n    const temp = document.createElement('div');\n    temp.innerHTML = html;\n    return temp.firstChild;\n};\n\n/**\n * Create an emoji row element.\n *\n * @param {Number} rowIndex Index of the row in the row data\n * @param {Array} emojis The list of emoji data for the row\n * @return {Element}\n */\nconst createEmojiRow = async (rowIndex, emojis) => {\n    const context = {\n        index: rowIndex,\n        emojis: emojis.map(emojiData => {\n            const charCodes = emojiData.unified.split('-').map(code => `0x${code}`);\n            const emojiText = String.fromCodePoint.apply(null, charCodes);\n            return {\n                shortnames: `:${emojiData.shortnames.join(': :')}:`,\n                unified: emojiData.unified,\n                text: emojiText,\n                spacer: false\n            };\n        }),\n        spacers: Array(EMOJIS_PER_ROW - emojis.length).fill(true)\n    };\n    const html = await renderTemplate('core/emoji/emoji_row', context);\n    const temp = document.createElement('div');\n    temp.innerHTML = html;\n    return temp.firstChild;\n};\n\n/**\n * Check if the element is an emoji element.\n *\n * @param {Element} element Element to check\n * @return {Bool}\n */\nconst isEmojiElement = element => element.getAttribute('data-short-names') !== null;\n\n/**\n * Search from an element and up through it's ancestors to fine the category\n * selector element and return it.\n *\n * @param {Element} element Element to begin searching from\n * @return {Element|null}\n */\nconst findCategorySelectorFromElement = element => {\n    if (!element) {\n        return null;\n    }\n\n    if (element.getAttribute('data-action') === 'show-category') {\n        return element;\n    } else {\n        return findCategorySelectorFromElement(element.parentElement);\n    }\n};\n\nconst getCategorySelectorByCategoryName = (root, name) => {\n    return root.querySelector(`[data-category=\"${name}\"]`);\n};\n\n/**\n * Sets the given category selector element as active.\n *\n * @param {Element} root The root picker element\n * @param {Element} element The category selector element to make active\n */\nconst setCategorySelectorActive = (root, element) => {\n    const allCategorySelectors = root.querySelectorAll(SELECTORS.CATEGORY_SELECTOR);\n\n    for (let i = 0; i < allCategorySelectors.length; i++) {\n        const selector = allCategorySelectors[i];\n        selector.classList.remove('selected');\n    }\n\n    element.classList.add('selected');\n};\n\n/**\n * Get the category selector element and the scroll positions for the previous and\n * next categories for the given scroll position.\n *\n * @param {Element} root The picker root element\n * @param {Number} position The position to get the category for\n * @param {Object} categoryScrollPositions Set of scroll positions for all categories\n * @return {Array}\n */\nconst getCategoryByScrollPosition = (root, position, categoryScrollPositions) => {\n    let positions = [];\n\n    if (position < 0) {\n        position = 0;\n    }\n\n    // Get all of the category positions.\n    for (const categoryName in categoryScrollPositions) {\n        const categoryPosition = categoryScrollPositions[categoryName];\n        positions.push([categoryPosition, categoryName]);\n    }\n\n    // Sort the positions in ascending order.\n    positions.sort(([a], [b]) => {\n        if (a < b) {\n            return -1;\n        } else if (a > b) {\n            return 1;\n        } else {\n            return 0;\n        }\n    });\n\n    // Get the current category name as well as the previous and next category\n    // positions from the sorted list of positions.\n    const {categoryName, previousPosition, nextPosition} = positions.reduce(\n        (carry, candidate) => {\n            const [categoryPosition, categoryName] = candidate;\n\n            if (categoryPosition <= position) {\n                carry.categoryName = categoryName;\n                carry.previousPosition = carry.currentPosition;\n                carry.currentPosition = position;\n            } else if (carry.nextPosition === null) {\n                carry.nextPosition = categoryPosition;\n            }\n\n            return carry;\n        },\n        {\n            categoryName: null,\n            currentPosition: null,\n            previousPosition: null,\n            nextPosition: null\n        }\n    );\n\n    return [getCategorySelectorByCategoryName(root, categoryName), previousPosition, nextPosition];\n};\n\n/**\n * Get the list of recent emojis data from local storage.\n *\n * @return {Array}\n */\nconst getRecentEmojis = () => {\n    const storedData = LocalStorage.get(RECENT_EMOJIS_STORAGE_KEY);\n    return storedData ? JSON.parse(storedData) : [];\n};\n\n/**\n * Save the list of recent emojis in local storage.\n *\n * @param {Array} recentEmojis List of emoji data to save\n */\nconst saveRecentEmoji = (recentEmojis) => {\n    LocalStorage.set(RECENT_EMOJIS_STORAGE_KEY, JSON.stringify(recentEmojis));\n};\n\n/**\n * Add an emoji data to the set of recent emojis. This function will update the row\n * data to ensure that the recent emoji rows are correct and all of the rows are\n * re-indexed.\n *\n * The new set of recent emojis are saved in local storage and the full set of updated\n * row data and new emoji row count are returned.\n *\n * @param {Array} rowData The emoji rows data\n * @param {Number} recentEmojiRowCount Count of the recent emoji rows\n * @param {Object} newEmoji The emoji data for the emoji to add to the recent emoji list\n * @return {Array}\n */\nconst addRecentEmoji = (rowData, recentEmojiRowCount, newEmoji) => {\n    // The first set of rows is always the recent emojis.\n    const categoryName = rowData[0].data.name;\n    const categoryDisplayName = rowData[0].data.displayName;\n    const recentEmojis = getRecentEmojis();\n    // Add the new emoji to the start of the list of recent emojis.\n    let newRecentEmojis = [newEmoji, ...recentEmojis.filter(emoji => emoji.unified != newEmoji.unified)];\n    // Limit the number of recent emojis.\n    newRecentEmojis = newRecentEmojis.slice(0, MAX_RECENT_COUNT);\n    const newRecentEmojiRowData = createRowDataForCategory(categoryName, categoryDisplayName, newRecentEmojis);\n\n    // Save the new list in local storage.\n    saveRecentEmoji(newRecentEmojis);\n\n    return [\n        // Return the new rowData and re-index it to make sure it's all correct.\n        addIndexesToRowData(newRecentEmojiRowData.concat(rowData.slice(recentEmojiRowCount))),\n        newRecentEmojiRowData.length\n    ];\n};\n\n/**\n * Calculate which rows should be visible based on the given scroll position. Adds a\n * buffer to amount to either side of the total number of requested rows so that\n * scrolling the emoji rows container is smooth.\n *\n * @param {Number} scrollPosition Scroll position within the emoji container\n * @param {Number} visibleRowCount How many rows should be visible\n * @param {Array} rowData The emoji rows data\n * @return {Array}\n */\nconst getRowsToRender = (scrollPosition, visibleRowCount, rowData) => {\n    const minVisibleRow = scrollPosition > ROW_HEIGHT_RAW ? Math.floor(scrollPosition / ROW_HEIGHT_RAW) : 0;\n    const start = minVisibleRow >= ROW_RENDER_BUFFER_COUNT ? minVisibleRow - ROW_RENDER_BUFFER_COUNT : minVisibleRow;\n    const end = minVisibleRow + visibleRowCount + ROW_RENDER_BUFFER_COUNT;\n    const rows = rowData.slice(start, end);\n    return rows;\n};\n\n/**\n * Create a row element from the row data.\n *\n * @param {Object} rowData The emoji row data\n * @return {Element}\n */\nconst createRowElement = async (rowData) => {\n    let row = null;\n    if (rowData.type === ROW_TYPE.HEADER) {\n        row = await createHeaderRow(rowData.index, rowData.data.displayName);\n    } else {\n        row = await createEmojiRow(rowData.index, rowData.data);\n    }\n\n    row.style.position = 'absolute';\n    row.style.left = 0;\n    row.style.right = 0;\n    row.style.top = `${rowData.index * ROW_HEIGHT_RAW}px`;\n\n    return row;\n};\n\n/**\n * Check if the given rows match.\n *\n * @param {Object} a The first row\n * @param {Object} b The second row\n * @return {Bool}\n */\nconst doRowsMatch = (a, b) => {\n    if (a.index !== b.index) {\n        return false;\n    }\n\n    if (a.type !== b.type) {\n        return false;\n    }\n\n    if (typeof a.data != typeof b.data) {\n        return false;\n    }\n\n    if (a.type === ROW_TYPE.HEADER) {\n        return a.data.name === b.data.name;\n    } else {\n        if (a.data.length !== b.data.length) {\n            return false;\n        }\n\n        for (let i = 0; i < a.data.length; i++) {\n            if (a.data[i].unified != b.data[i].unified) {\n                return false;\n            }\n        }\n    }\n\n    return true;\n};\n\n/**\n * Update the visible rows. Deletes any row elements that should no longer\n * be visible and creates the newly visible row elements. Any rows that haven't\n * changed visibility will be left untouched.\n *\n * @param {Element} rowContainer The container element for the emoji rows\n * @param {Array} currentRows List of row data that matches the currently visible rows\n * @param {Array} nextRows List of row data containing the new list of rows to be made visible\n */\nconst renderRows = async (rowContainer, currentRows, nextRows) => {\n    // We need to add any rows that are in nextRows but not in currentRows.\n    const toAdd = nextRows.filter(nextRow => !currentRows.some(currentRow => doRowsMatch(currentRow, nextRow)));\n    // Remember which rows will still be visible so that we can insert our element in the correct place in the DOM.\n    let toKeep = currentRows.filter(currentRow => nextRows.some(nextRow => doRowsMatch(currentRow, nextRow)));\n    // We need to remove any rows that are in currentRows but not in nextRows.\n    const toRemove = currentRows.filter(currentRow => !nextRows.some(nextRow => doRowsMatch(currentRow, nextRow)));\n    const toRemoveElements = toRemove.map(rowData => rowContainer.querySelectorAll(`[data-row=\"${rowData.index}\"]`));\n\n    // Render all of the templates first.\n    const rows = await Promise.all(toAdd.map(rowData => createRowElement(rowData)));\n\n    rows.forEach((row, index) => {\n        const rowData = toAdd[index];\n        let nextRowIndex = null;\n\n        for (let i = 0; i < toKeep.length; i++) {\n            const candidate = toKeep[i];\n            if (candidate.index > rowData.index) {\n                nextRowIndex = i;\n                break;\n            }\n        }\n\n        // Make sure the elements get added to the DOM in the correct order (ascending by row data index)\n        // so that they appear naturally in the tab order.\n        if (nextRowIndex !== null) {\n            const nextRowData = toKeep[nextRowIndex];\n            const nextRowNode = rowContainer.querySelector(`[data-row=\"${nextRowData.index}\"]`);\n\n            rowContainer.insertBefore(row, nextRowNode);\n            toKeep.splice(nextRowIndex, 0, toKeep);\n        } else {\n            toKeep.push(rowData);\n            rowContainer.appendChild(row);\n        }\n    });\n\n    toRemoveElements.forEach(rows => {\n        for (let i = 0; i < rows.length; i++) {\n            const row = rows[i];\n            rowContainer.removeChild(row);\n        }\n    });\n};\n\n/**\n * Build a function to render the visible emoji rows for a given scroll\n * position.\n *\n * @param {Element} rowContainer The container element for the emoji rows\n * @return {Function}\n */\nconst generateRenderRowsAtPositionFunction = (rowContainer) => {\n    let currentRows = [];\n    let nextRows = [];\n    let rowCount = 0;\n    let isRendering = false;\n    const renderNextRows = async () => {\n        if (!nextRows.length) {\n            return;\n        }\n\n        if (isRendering) {\n            return;\n        }\n\n        isRendering = true;\n        const nextRowsToRender = nextRows.slice();\n        nextRows = [];\n\n        await renderRows(rowContainer, currentRows, nextRowsToRender);\n        currentRows = nextRowsToRender;\n        isRendering = false;\n        renderNextRows();\n    };\n\n    return (scrollPosition, rowData, rowLimit = VISIBLE_ROW_COUNT) => {\n        nextRows = getRowsToRender(scrollPosition, rowLimit, rowData);\n        renderNextRows();\n\n        if (rowCount !== rowData.length) {\n            // Adjust the height of the container to match the number of rows.\n            rowContainer.style.height = `${rowData.length * ROW_HEIGHT_RAW}px`;\n        }\n\n        rowCount = rowData.length;\n    };\n};\n\n/**\n * Show the search results container and hide the emoji container.\n *\n * @param {Element} emojiContainer The emojis container\n * @param {Element} searchResultsContainer The search results container\n */\nconst showSearchResults = (emojiContainer, searchResultsContainer) => {\n    searchResultsContainer.classList.remove('hidden');\n    emojiContainer.classList.add('hidden');\n};\n\n/**\n * Hide the search result container and show the emojis container.\n *\n * @param {Element} emojiContainer The emojis container\n * @param {Element} searchResultsContainer The search results container\n * @param {Element} searchInput The search input\n */\nconst clearSearch = (emojiContainer, searchResultsContainer, searchInput) => {\n    searchResultsContainer.classList.add('hidden');\n    emojiContainer.classList.remove('hidden');\n    searchInput.value = '';\n};\n\n/**\n * Build function to handle mouse hovering an emoji. Shows the preview.\n *\n * @param {Element} emojiPreview The emoji preview element\n * @param {Element} emojiShortName The emoji short name element\n * @return {Function}\n */\nconst getHandleMouseEnter = (emojiPreview, emojiShortName) => {\n    return (e) => {\n        const target = e.target;\n        if (isEmojiElement(target)) {\n            emojiShortName.textContent = target.getAttribute('data-short-names');\n            emojiPreview.textContent = target.textContent;\n        }\n    };\n};\n\n/**\n * Build function to handle mouse leaving an emoji. Removes the preview.\n *\n * @param {Element} emojiPreview The emoji preview element\n * @param {Element} emojiShortName The emoji short name element\n * @return {Function}\n */\nconst getHandleMouseLeave = (emojiPreview, emojiShortName) => {\n    return (e) => {\n        const target = e.target;\n        if (isEmojiElement(target)) {\n            emojiShortName.textContent = '';\n            emojiPreview.textContent = '';\n        }\n    };\n};\n\n/**\n * Build the function to handle a user clicking something in the picker.\n *\n * The function currently handles clicking on the category selector or selecting\n * a specific emoji.\n *\n * @param {Number} recentEmojiRowCount Number of rows of recent emojis\n * @param {Element} emojiContainer Container element for the visible of emojis\n * @param {Element} searchResultsContainer Contaienr element for the search results\n * @param {Element} searchInput Search input element\n * @param {Function} selectCallback Callback function to execute when a user selects an emoji\n * @param {Function} renderAtPosition Render function to display current visible emojis\n * @return {Function}\n */\nconst getHandleClick = (\n    recentEmojiRowCount,\n    emojiContainer,\n    searchResultsContainer,\n    searchInput,\n    selectCallback,\n    renderAtPosition\n) => {\n    return (e, rowData, categoryScrollPositions) => {\n        const target = e.target;\n        let newRowData = rowData;\n        let newCategoryScrollPositions = categoryScrollPositions;\n\n        // Hide the search results if they are visible.\n        clearSearch(emojiContainer, searchResultsContainer, searchInput);\n\n        if (isEmojiElement(target)) {\n            // Emoji selected.\n            const unified = target.getAttribute('data-unified');\n            const shortnames = target.getAttribute('data-short-names').replace(/:/g, '').split(' ');\n            // Build the emoji data from the selected element.\n            const emojiData = {unified, shortnames};\n            const currentScrollTop = emojiContainer.scrollTop;\n            const isRecentEmojiRowVisible = emojiContainer.querySelector(`[data-row=\"${recentEmojiRowCount - 1}\"]`) !== null;\n            // Save the selected emoji in the recent emojis list.\n            [newRowData, recentEmojiRowCount] = addRecentEmoji(rowData, recentEmojiRowCount, emojiData);\n            // Re-index the category scroll positions because the additional recent emoji may have\n            // changed their positions.\n            newCategoryScrollPositions = getCategoryScrollPositionsFromRowData(newRowData);\n\n            if (isRecentEmojiRowVisible) {\n                // If the list of recent emojis is currently visible then we need to re-render the emojis\n                // to update the display and show the newly selected recent emoji.\n                renderAtPosition(currentScrollTop, newRowData);\n            }\n\n            // Call the client's callback function with the selected emoji.\n            selectCallback(target.textContent);\n            // Return the newly calculated row data and scroll positions.\n            return [newRowData, newCategoryScrollPositions];\n        }\n\n        const categorySelector = findCategorySelectorFromElement(target);\n        if (categorySelector) {\n            // Category selector.\n            const selectedCategory = categorySelector.getAttribute('data-category');\n            const position = categoryScrollPositions[selectedCategory];\n            // Scroll the container to the selected category. This will trigger the\n            // on scroll handler to re-render the visibile emojis.\n            emojiContainer.scrollTop = position;\n        }\n\n        return [newRowData, newCategoryScrollPositions];\n    };\n};\n\n/**\n * Build the function that handles scrolling of the emoji container to display the\n * correct emojis.\n *\n * We render the emoji rows as they are needed rather than all up front so that we\n * can avoid adding tends of thousands of elements to the DOM unnecessarily which\n * would bog down performance.\n *\n * @param {Element} root The picker root element\n * @param {Number} currentVisibleRowScrollPosition The current scroll position of the container\n * @param {Element} emojiContainer The emojis container element\n * @param {Object} initialCategoryScrollPositions Scroll positions for each category\n * @param {Function} renderAtPosition Function to render the appropriate emojis for a scroll position\n * @return {Function}\n */\nconst getHandleScroll = (\n    root,\n    currentVisibleRowScrollPosition,\n    emojiContainer,\n    initialCategoryScrollPositions,\n    renderAtPosition\n) => {\n    // Scope some local variables to track the scroll positions of the categories. We need to\n    // recalculate these because adding recent emojis can change those positions by adding\n    // additional rows.\n    let [\n        currentCategoryElement,\n        previousCategoryPosition,\n        nextCategoryPosition\n    ] = getCategoryByScrollPosition(root, emojiContainer.scrollTop, initialCategoryScrollPositions);\n\n    return (categoryScrollPositions, rowData) => {\n        const newScrollPosition = emojiContainer.scrollTop;\n        const upperScrollBound = currentVisibleRowScrollPosition + ROW_HEIGHT_RAW;\n        const lowerScrollBound = currentVisibleRowScrollPosition - ROW_HEIGHT_RAW;\n        // We only need to update the active category indicator if the user has scrolled into a\n        // new category scroll position.\n        const updateActiveCategory = (newScrollPosition >= nextCategoryPosition) ||\n                       (newScrollPosition < previousCategoryPosition);\n        // We only need to render new emoji rows if the user has scrolled far enough that a new row\n        // would be visible (i.e. they've scrolled up or down more than 40px - the height of a row).\n        const updateRenderRows = (newScrollPosition < lowerScrollBound) || (newScrollPosition > upperScrollBound);\n\n        if (updateActiveCategory) {\n            // New category is visible so update the active category selector and re-index the\n            // positions incase anything has changed.\n            [\n                currentCategoryElement,\n                previousCategoryPosition,\n                nextCategoryPosition\n            ] = getCategoryByScrollPosition(root, newScrollPosition, categoryScrollPositions);\n            setCategorySelectorActive(root, currentCategoryElement);\n        }\n\n        if (updateRenderRows) {\n            // A new row should be visible so re-render the visible emojis at this new position.\n            // We request an animation frame from the browser so that we're not blocking anything.\n            // The animation only needs to occur as soon as the browser is ready not immediately.\n            requestAnimationFrame(() => {\n                renderAtPosition(newScrollPosition, rowData);\n                // Remember the updated position.\n                currentVisibleRowScrollPosition = newScrollPosition;\n            });\n        }\n    };\n};\n\n/**\n * Build the function that handles search input from the user.\n *\n * @param {Element} searchInput The search input element\n * @param {Element} searchResultsContainer Container element to display the search results\n * @param {Element} emojiContainer Container element for the emoji rows\n * @return {Function}\n */\nconst getHandleSearch = (searchInput, searchResultsContainer, emojiContainer) => {\n    const rowContainer = searchResultsContainer.querySelector(SELECTORS.ROW_CONTAINER);\n    // Build a render function for the search results.\n    const renderSearchResultsAtPosition = generateRenderRowsAtPositionFunction(rowContainer);\n    searchResultsContainer.appendChild(rowContainer);\n\n    return async () => {\n        const searchTerm = searchInput.value.toLowerCase();\n\n        if (searchTerm) {\n            // Display the search results container and hide the emojis container.\n            showSearchResults(emojiContainer, searchResultsContainer);\n\n            // Find which emojis match the user's search input.\n            const matchingEmojis = Object.keys(EmojiData.byShortName).reduce((carry, shortName) => {\n                if (shortName.includes(searchTerm)) {\n                    carry.push({\n                        shortnames: [shortName],\n                        unified: EmojiData.byShortName[shortName]\n                    });\n                }\n                return carry;\n            }, []);\n\n            const searchResultsString = await get_string('searchresults', 'core');\n            const rowData = createRowDataForCategory(searchResultsString, searchResultsString, matchingEmojis, 0);\n            // Show the emoji rows for the search results.\n            renderSearchResultsAtPosition(0, rowData, rowData.length);\n        } else {\n            // Hide the search container and show the emojis container.\n            clearSearch(emojiContainer, searchResultsContainer, searchInput);\n        }\n    };\n};\n\n/**\n * Register the emoji picker event listeners.\n *\n * @param {Element} root The picker root element\n * @param {Element} emojiContainer Root element containing the list of visible emojis\n * @param {Function} renderAtPosition Function to render the visible emojis at a given scroll position\n * @param {Number} currentVisibleRowScrollPosition What is the current scroll position\n * @param {Function} selectCallback Function to execute when the user picks an emoji\n * @param {Object} categoryScrollPositions Scroll positions for where each of the emoji categories begin\n * @param {Array} rowData Data representing each of the display rows for hte emoji container\n * @param {Number} recentEmojiRowCount Number of rows of recent emojis\n */\nconst registerEventListeners = (\n    root,\n    emojiContainer,\n    renderAtPosition,\n    currentVisibleRowScrollPosition,\n    selectCallback,\n    categoryScrollPositions,\n    rowData,\n    recentEmojiRowCount\n) => {\n    const searchInput = root.querySelector(SELECTORS.SEARCH_INPUT);\n    const searchResultsContainer = root.querySelector(SELECTORS.SEARCH_RESULTS_CONTAINER);\n    const emojiPreview = root.querySelector(SELECTORS.EMOJI_PREVIEW);\n    const emojiShortName = root.querySelector(SELECTORS.EMOJI_SHORT_NAME);\n    // Build the click handler function.\n    const clickHandler = getHandleClick(\n        recentEmojiRowCount,\n        emojiContainer,\n        searchResultsContainer,\n        searchInput,\n        selectCallback,\n        renderAtPosition\n    );\n    // Build the scroll handler function.\n    const scrollHandler = getHandleScroll(\n        root,\n        currentVisibleRowScrollPosition,\n        emojiContainer,\n        categoryScrollPositions,\n        renderAtPosition\n    );\n    const searchHandler = getHandleSearch(searchInput, searchResultsContainer, emojiContainer);\n\n    // Mouse enter/leave events to show the emoji preview on hover or focus.\n    root.addEventListener('focus', getHandleMouseEnter(emojiPreview, emojiShortName), true);\n    root.addEventListener('blur', getHandleMouseLeave(emojiPreview, emojiShortName), true);\n    root.addEventListener('mouseenter', getHandleMouseEnter(emojiPreview, emojiShortName), true);\n    root.addEventListener('mouseleave', getHandleMouseLeave(emojiPreview, emojiShortName), true);\n    // User selects an emoji or clicks on one of the emoji category selectors.\n    root.addEventListener('click', e => {\n        // Update the row data and category scroll positions because they may have changes if the\n        // user selects an emoji which updates the recent emojis list.\n        [rowData, categoryScrollPositions] = clickHandler(e, rowData, categoryScrollPositions);\n    });\n    // Throttle the scroll event to only execute once every 50 milliseconds to prevent performance issues\n    // in the browser when re-rendering the picker emojis. The scroll event fires a lot otherwise.\n    emojiContainer.addEventListener('scroll', throttle(() => scrollHandler(categoryScrollPositions, rowData), 50));\n    // Debounce the search input so that it only executes 200 milliseconds after the user has finished typing.\n    searchInput.addEventListener('input', debounce(searchHandler, 200));\n};\n\n/**\n * Initialise the emoji picker.\n *\n * @param {Element} root The root element for the picker\n * @param {Function} selectCallback Callback for when the user selects an emoji\n */\nexport default (root, selectCallback) => {\n    const emojiContainer = root.querySelector(SELECTORS.EMOJIS_CONTAINER);\n    const rowContainer = emojiContainer.querySelector(SELECTORS.ROW_CONTAINER);\n    const recentEmojis = getRecentEmojis();\n    // Add the recent emojis category to the list of standard categories.\n    const allData = [{\n        name: 'Recent',\n        emojis: recentEmojis\n    }, ...EmojiData.byCategory];\n    let rowData = [];\n    let recentEmojiRowCount = 0;\n\n    /**\n     * Split categories data into rows which represent how they will be displayed in the\n     * picker. Each category will add a row containing the display name for the category\n     * and a row for every 9 emojis in the category. The row data will be used to calculate\n     * which emojis should be visible in the picker at any given time.\n     *\n     * E.g.\n     * input = [\n     *  {name: 'example1', emojis: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]},\n     *  {name: 'example2', emojis: [13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23]},\n     * ]\n     * output = [\n     *      {type: 'categoryName': data: 'Example 1'},\n     *      {type: 'emojiRow': data: [1, 2, 3, 4, 5, 6, 7, 8, 9]},\n     *      {type: 'emojiRow': data: [10, 11, 12]},\n     *      {type: 'categoryName': data: 'Example 2'},\n     *      {type: 'emojiRow': data: [13, 14, 15, 16, 17, 18, 19, 20, 21]},\n     *      {type: 'emojiRow': data: [22, 23]},\n     * ]\n     */\n    allData.forEach(category => {\n        const categorySelector = getCategorySelectorByCategoryName(root, category.name);\n        // Get the display name from the category selector button so that we don't need to\n        // send an ajax request for the string.\n        const categoryDisplayName = categorySelector.title;\n        const categoryRowData = createRowDataForCategory(category.name, categoryDisplayName, category.emojis, rowData.length);\n\n        if (category.name === 'Recent') {\n            // Remember how many recent emoji rows there are because it needs to be used to\n            // re-index the row data later when we're adding more recent emojis.\n            recentEmojiRowCount = categoryRowData.length;\n        }\n\n        rowData = rowData.concat(categoryRowData);\n    });\n\n    // Index the row data so that we can calculate which rows should be visible.\n    rowData = addIndexesToRowData(rowData);\n    // Calculate the scroll positions for each of the categories within the emoji container.\n    // These are used to know where to jump to when the user selects a specific category.\n    const categoryScrollPositions = getCategoryScrollPositionsFromRowData(rowData);\n    const renderAtPosition = generateRenderRowsAtPositionFunction(rowContainer);\n    // Display the initial set of emojis.\n    renderAtPosition(0, rowData);\n\n    registerEventListeners(\n        root,\n        emojiContainer,\n        renderAtPosition,\n        0,\n        selectCallback,\n        categoryScrollPositions,\n        rowData,\n        recentEmojiRowCount\n    );\n};"],"file":"picker.min.js"}
\ No newline at end of file
+{"version":3,"file":"picker.min.js","sources":["../../src/emoji/picker.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Emoji picker.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport LocalStorage from 'core/localstorage';\nimport * as EmojiData from 'core/emoji/data';\nimport {throttle, debounce} from 'core/utils';\nimport {get_string} from 'core/str';\nimport {render as renderTemplate} from 'core/templates';\n\nconst VISIBLE_ROW_COUNT = 10;\nconst ROW_RENDER_BUFFER_COUNT = 5;\nconst RECENT_EMOJIS_STORAGE_KEY = 'moodle-recent-emojis';\nconst ROW_HEIGHT_RAW = 40;\nconst EMOJIS_PER_ROW = 7;\nconst MAX_RECENT_COUNT = EMOJIS_PER_ROW * 3;\nconst ROW_TYPE = {\n    EMOJI: 0,\n    HEADER: 1\n};\nconst SELECTORS = {\n    CATEGORY_SELECTOR: '[data-action=\"show-category\"]',\n    EMOJIS_CONTAINER: '[data-region=\"emojis-container\"]',\n    EMOJI_PREVIEW: '[data-region=\"emoji-preview\"]',\n    EMOJI_SHORT_NAME: '[data-region=\"emoji-short-name\"]',\n    ROW_CONTAINER: '[data-region=\"row-container\"]',\n    SEARCH_INPUT: '[data-region=\"search-input\"]',\n    SEARCH_RESULTS_CONTAINER: '[data-region=\"search-results-container\"]'\n};\n\n/**\n * Create the row data for a category.\n *\n * @param {String} categoryName The category name\n * @param {String} categoryDisplayName The category display name\n * @param {Array} emojis The emoji data\n * @param {Number} totalRowCount The total number of rows generated so far\n * @return {Array}\n */\nconst createRowDataForCategory = (categoryName, categoryDisplayName, emojis, totalRowCount) => {\n    const rowData = [];\n    rowData.push({\n        index: totalRowCount + rowData.length,\n        type: ROW_TYPE.HEADER,\n        data: {\n            name: categoryName,\n            displayName: categoryDisplayName\n        }\n    });\n\n    for (let i = 0; i < emojis.length; i += EMOJIS_PER_ROW) {\n        const rowEmojis = emojis.slice(i, i + EMOJIS_PER_ROW);\n        rowData.push({\n            index: totalRowCount + rowData.length,\n            type: ROW_TYPE.EMOJI,\n            data: rowEmojis\n        });\n    }\n\n    return rowData;\n};\n\n/**\n * Add each row's index to it's value in the row data.\n *\n * @param {Array} rowData List of emoji row data\n * @return {Array}\n */\nconst addIndexesToRowData = (rowData) => {\n    return rowData.map((data, index) => {\n        return {...data, index};\n    });\n};\n\n/**\n * Calculate the scroll position for the beginning of each category from\n * the row data.\n *\n * @param {Array} rowData List of emoji row data\n * @return {Object}\n */\nconst getCategoryScrollPositionsFromRowData = (rowData) => {\n    return rowData.reduce((carry, row, index) => {\n        if (row.type === ROW_TYPE.HEADER) {\n            carry[row.data.name] = index * ROW_HEIGHT_RAW;\n        }\n        return carry;\n    }, {});\n};\n\n/**\n * Create a header row element for the category name.\n *\n * @param {Number} rowIndex Index of the row in the row data\n * @param {String} name The category display name\n * @return {Element}\n */\nconst createHeaderRow = async (rowIndex, name) => {\n    const context = {\n        index: rowIndex,\n        text: name\n    };\n    const html = await renderTemplate('core/emoji/header_row', context);\n    const temp = document.createElement('div');\n    temp.innerHTML = html;\n    return temp.firstChild;\n};\n\n/**\n * Create an emoji row element.\n *\n * @param {Number} rowIndex Index of the row in the row data\n * @param {Array} emojis The list of emoji data for the row\n * @return {Element}\n */\nconst createEmojiRow = async (rowIndex, emojis) => {\n    const context = {\n        index: rowIndex,\n        emojis: emojis.map(emojiData => {\n            const charCodes = emojiData.unified.split('-').map(code => `0x${code}`);\n            const emojiText = String.fromCodePoint.apply(null, charCodes);\n            return {\n                shortnames: `:${emojiData.shortnames.join(': :')}:`,\n                unified: emojiData.unified,\n                text: emojiText,\n                spacer: false\n            };\n        }),\n        spacers: Array(EMOJIS_PER_ROW - emojis.length).fill(true)\n    };\n    const html = await renderTemplate('core/emoji/emoji_row', context);\n    const temp = document.createElement('div');\n    temp.innerHTML = html;\n    return temp.firstChild;\n};\n\n/**\n * Check if the element is an emoji element.\n *\n * @param {Element} element Element to check\n * @return {Bool}\n */\nconst isEmojiElement = element => element.getAttribute('data-short-names') !== null;\n\n/**\n * Search from an element and up through it's ancestors to fine the category\n * selector element and return it.\n *\n * @param {Element} element Element to begin searching from\n * @return {Element|null}\n */\nconst findCategorySelectorFromElement = element => {\n    if (!element) {\n        return null;\n    }\n\n    if (element.getAttribute('data-action') === 'show-category') {\n        return element;\n    } else {\n        return findCategorySelectorFromElement(element.parentElement);\n    }\n};\n\nconst getCategorySelectorByCategoryName = (root, name) => {\n    return root.querySelector(`[data-category=\"${name}\"]`);\n};\n\n/**\n * Sets the given category selector element as active.\n *\n * @param {Element} root The root picker element\n * @param {Element} element The category selector element to make active\n */\nconst setCategorySelectorActive = (root, element) => {\n    const allCategorySelectors = root.querySelectorAll(SELECTORS.CATEGORY_SELECTOR);\n\n    for (let i = 0; i < allCategorySelectors.length; i++) {\n        const selector = allCategorySelectors[i];\n        selector.classList.remove('selected');\n    }\n\n    element.classList.add('selected');\n};\n\n/**\n * Get the category selector element and the scroll positions for the previous and\n * next categories for the given scroll position.\n *\n * @param {Element} root The picker root element\n * @param {Number} position The position to get the category for\n * @param {Object} categoryScrollPositions Set of scroll positions for all categories\n * @return {Array}\n */\nconst getCategoryByScrollPosition = (root, position, categoryScrollPositions) => {\n    let positions = [];\n\n    if (position < 0) {\n        position = 0;\n    }\n\n    // Get all of the category positions.\n    for (const categoryName in categoryScrollPositions) {\n        const categoryPosition = categoryScrollPositions[categoryName];\n        positions.push([categoryPosition, categoryName]);\n    }\n\n    // Sort the positions in ascending order.\n    positions.sort(([a], [b]) => {\n        if (a < b) {\n            return -1;\n        } else if (a > b) {\n            return 1;\n        } else {\n            return 0;\n        }\n    });\n\n    // Get the current category name as well as the previous and next category\n    // positions from the sorted list of positions.\n    const {categoryName, previousPosition, nextPosition} = positions.reduce(\n        (carry, candidate) => {\n            const [categoryPosition, categoryName] = candidate;\n\n            if (categoryPosition <= position) {\n                carry.categoryName = categoryName;\n                carry.previousPosition = carry.currentPosition;\n                carry.currentPosition = position;\n            } else if (carry.nextPosition === null) {\n                carry.nextPosition = categoryPosition;\n            }\n\n            return carry;\n        },\n        {\n            categoryName: null,\n            currentPosition: null,\n            previousPosition: null,\n            nextPosition: null\n        }\n    );\n\n    return [getCategorySelectorByCategoryName(root, categoryName), previousPosition, nextPosition];\n};\n\n/**\n * Get the list of recent emojis data from local storage.\n *\n * @return {Array}\n */\nconst getRecentEmojis = () => {\n    const storedData = LocalStorage.get(RECENT_EMOJIS_STORAGE_KEY);\n    return storedData ? JSON.parse(storedData) : [];\n};\n\n/**\n * Save the list of recent emojis in local storage.\n *\n * @param {Array} recentEmojis List of emoji data to save\n */\nconst saveRecentEmoji = (recentEmojis) => {\n    LocalStorage.set(RECENT_EMOJIS_STORAGE_KEY, JSON.stringify(recentEmojis));\n};\n\n/**\n * Add an emoji data to the set of recent emojis. This function will update the row\n * data to ensure that the recent emoji rows are correct and all of the rows are\n * re-indexed.\n *\n * The new set of recent emojis are saved in local storage and the full set of updated\n * row data and new emoji row count are returned.\n *\n * @param {Array} rowData The emoji rows data\n * @param {Number} recentEmojiRowCount Count of the recent emoji rows\n * @param {Object} newEmoji The emoji data for the emoji to add to the recent emoji list\n * @return {Array}\n */\nconst addRecentEmoji = (rowData, recentEmojiRowCount, newEmoji) => {\n    // The first set of rows is always the recent emojis.\n    const categoryName = rowData[0].data.name;\n    const categoryDisplayName = rowData[0].data.displayName;\n    const recentEmojis = getRecentEmojis();\n    // Add the new emoji to the start of the list of recent emojis.\n    let newRecentEmojis = [newEmoji, ...recentEmojis.filter(emoji => emoji.unified != newEmoji.unified)];\n    // Limit the number of recent emojis.\n    newRecentEmojis = newRecentEmojis.slice(0, MAX_RECENT_COUNT);\n    const newRecentEmojiRowData = createRowDataForCategory(categoryName, categoryDisplayName, newRecentEmojis);\n\n    // Save the new list in local storage.\n    saveRecentEmoji(newRecentEmojis);\n\n    return [\n        // Return the new rowData and re-index it to make sure it's all correct.\n        addIndexesToRowData(newRecentEmojiRowData.concat(rowData.slice(recentEmojiRowCount))),\n        newRecentEmojiRowData.length\n    ];\n};\n\n/**\n * Calculate which rows should be visible based on the given scroll position. Adds a\n * buffer to amount to either side of the total number of requested rows so that\n * scrolling the emoji rows container is smooth.\n *\n * @param {Number} scrollPosition Scroll position within the emoji container\n * @param {Number} visibleRowCount How many rows should be visible\n * @param {Array} rowData The emoji rows data\n * @return {Array}\n */\nconst getRowsToRender = (scrollPosition, visibleRowCount, rowData) => {\n    const minVisibleRow = scrollPosition > ROW_HEIGHT_RAW ? Math.floor(scrollPosition / ROW_HEIGHT_RAW) : 0;\n    const start = minVisibleRow >= ROW_RENDER_BUFFER_COUNT ? minVisibleRow - ROW_RENDER_BUFFER_COUNT : minVisibleRow;\n    const end = minVisibleRow + visibleRowCount + ROW_RENDER_BUFFER_COUNT;\n    const rows = rowData.slice(start, end);\n    return rows;\n};\n\n/**\n * Create a row element from the row data.\n *\n * @param {Object} rowData The emoji row data\n * @return {Element}\n */\nconst createRowElement = async (rowData) => {\n    let row = null;\n    if (rowData.type === ROW_TYPE.HEADER) {\n        row = await createHeaderRow(rowData.index, rowData.data.displayName);\n    } else {\n        row = await createEmojiRow(rowData.index, rowData.data);\n    }\n\n    row.style.position = 'absolute';\n    row.style.left = 0;\n    row.style.right = 0;\n    row.style.top = `${rowData.index * ROW_HEIGHT_RAW}px`;\n\n    return row;\n};\n\n/**\n * Check if the given rows match.\n *\n * @param {Object} a The first row\n * @param {Object} b The second row\n * @return {Bool}\n */\nconst doRowsMatch = (a, b) => {\n    if (a.index !== b.index) {\n        return false;\n    }\n\n    if (a.type !== b.type) {\n        return false;\n    }\n\n    if (typeof a.data != typeof b.data) {\n        return false;\n    }\n\n    if (a.type === ROW_TYPE.HEADER) {\n        return a.data.name === b.data.name;\n    } else {\n        if (a.data.length !== b.data.length) {\n            return false;\n        }\n\n        for (let i = 0; i < a.data.length; i++) {\n            if (a.data[i].unified != b.data[i].unified) {\n                return false;\n            }\n        }\n    }\n\n    return true;\n};\n\n/**\n * Update the visible rows. Deletes any row elements that should no longer\n * be visible and creates the newly visible row elements. Any rows that haven't\n * changed visibility will be left untouched.\n *\n * @param {Element} rowContainer The container element for the emoji rows\n * @param {Array} currentRows List of row data that matches the currently visible rows\n * @param {Array} nextRows List of row data containing the new list of rows to be made visible\n */\nconst renderRows = async (rowContainer, currentRows, nextRows) => {\n    // We need to add any rows that are in nextRows but not in currentRows.\n    const toAdd = nextRows.filter(nextRow => !currentRows.some(currentRow => doRowsMatch(currentRow, nextRow)));\n    // Remember which rows will still be visible so that we can insert our element in the correct place in the DOM.\n    let toKeep = currentRows.filter(currentRow => nextRows.some(nextRow => doRowsMatch(currentRow, nextRow)));\n    // We need to remove any rows that are in currentRows but not in nextRows.\n    const toRemove = currentRows.filter(currentRow => !nextRows.some(nextRow => doRowsMatch(currentRow, nextRow)));\n    const toRemoveElements = toRemove.map(rowData => rowContainer.querySelectorAll(`[data-row=\"${rowData.index}\"]`));\n\n    // Render all of the templates first.\n    const rows = await Promise.all(toAdd.map(rowData => createRowElement(rowData)));\n\n    rows.forEach((row, index) => {\n        const rowData = toAdd[index];\n        let nextRowIndex = null;\n\n        for (let i = 0; i < toKeep.length; i++) {\n            const candidate = toKeep[i];\n            if (candidate.index > rowData.index) {\n                nextRowIndex = i;\n                break;\n            }\n        }\n\n        // Make sure the elements get added to the DOM in the correct order (ascending by row data index)\n        // so that they appear naturally in the tab order.\n        if (nextRowIndex !== null) {\n            const nextRowData = toKeep[nextRowIndex];\n            const nextRowNode = rowContainer.querySelector(`[data-row=\"${nextRowData.index}\"]`);\n\n            rowContainer.insertBefore(row, nextRowNode);\n            toKeep.splice(nextRowIndex, 0, toKeep);\n        } else {\n            toKeep.push(rowData);\n            rowContainer.appendChild(row);\n        }\n    });\n\n    toRemoveElements.forEach(rows => {\n        for (let i = 0; i < rows.length; i++) {\n            const row = rows[i];\n            rowContainer.removeChild(row);\n        }\n    });\n};\n\n/**\n * Build a function to render the visible emoji rows for a given scroll\n * position.\n *\n * @param {Element} rowContainer The container element for the emoji rows\n * @return {Function}\n */\nconst generateRenderRowsAtPositionFunction = (rowContainer) => {\n    let currentRows = [];\n    let nextRows = [];\n    let rowCount = 0;\n    let isRendering = false;\n    const renderNextRows = async () => {\n        if (!nextRows.length) {\n            return;\n        }\n\n        if (isRendering) {\n            return;\n        }\n\n        isRendering = true;\n        const nextRowsToRender = nextRows.slice();\n        nextRows = [];\n\n        await renderRows(rowContainer, currentRows, nextRowsToRender);\n        currentRows = nextRowsToRender;\n        isRendering = false;\n        renderNextRows();\n    };\n\n    return (scrollPosition, rowData, rowLimit = VISIBLE_ROW_COUNT) => {\n        nextRows = getRowsToRender(scrollPosition, rowLimit, rowData);\n        renderNextRows();\n\n        if (rowCount !== rowData.length) {\n            // Adjust the height of the container to match the number of rows.\n            rowContainer.style.height = `${rowData.length * ROW_HEIGHT_RAW}px`;\n        }\n\n        rowCount = rowData.length;\n    };\n};\n\n/**\n * Show the search results container and hide the emoji container.\n *\n * @param {Element} emojiContainer The emojis container\n * @param {Element} searchResultsContainer The search results container\n */\nconst showSearchResults = (emojiContainer, searchResultsContainer) => {\n    searchResultsContainer.classList.remove('hidden');\n    emojiContainer.classList.add('hidden');\n};\n\n/**\n * Hide the search result container and show the emojis container.\n *\n * @param {Element} emojiContainer The emojis container\n * @param {Element} searchResultsContainer The search results container\n * @param {Element} searchInput The search input\n */\nconst clearSearch = (emojiContainer, searchResultsContainer, searchInput) => {\n    searchResultsContainer.classList.add('hidden');\n    emojiContainer.classList.remove('hidden');\n    searchInput.value = '';\n};\n\n/**\n * Build function to handle mouse hovering an emoji. Shows the preview.\n *\n * @param {Element} emojiPreview The emoji preview element\n * @param {Element} emojiShortName The emoji short name element\n * @return {Function}\n */\nconst getHandleMouseEnter = (emojiPreview, emojiShortName) => {\n    return (e) => {\n        const target = e.target;\n        if (isEmojiElement(target)) {\n            emojiShortName.textContent = target.getAttribute('data-short-names');\n            emojiPreview.textContent = target.textContent;\n        }\n    };\n};\n\n/**\n * Build function to handle mouse leaving an emoji. Removes the preview.\n *\n * @param {Element} emojiPreview The emoji preview element\n * @param {Element} emojiShortName The emoji short name element\n * @return {Function}\n */\nconst getHandleMouseLeave = (emojiPreview, emojiShortName) => {\n    return (e) => {\n        const target = e.target;\n        if (isEmojiElement(target)) {\n            emojiShortName.textContent = '';\n            emojiPreview.textContent = '';\n        }\n    };\n};\n\n/**\n * Build the function to handle a user clicking something in the picker.\n *\n * The function currently handles clicking on the category selector or selecting\n * a specific emoji.\n *\n * @param {Number} recentEmojiRowCount Number of rows of recent emojis\n * @param {Element} emojiContainer Container element for the visible of emojis\n * @param {Element} searchResultsContainer Contaienr element for the search results\n * @param {Element} searchInput Search input element\n * @param {Function} selectCallback Callback function to execute when a user selects an emoji\n * @param {Function} renderAtPosition Render function to display current visible emojis\n * @return {Function}\n */\nconst getHandleClick = (\n    recentEmojiRowCount,\n    emojiContainer,\n    searchResultsContainer,\n    searchInput,\n    selectCallback,\n    renderAtPosition\n) => {\n    return (e, rowData, categoryScrollPositions) => {\n        const target = e.target;\n        let newRowData = rowData;\n        let newCategoryScrollPositions = categoryScrollPositions;\n\n        // Hide the search results if they are visible.\n        clearSearch(emojiContainer, searchResultsContainer, searchInput);\n\n        if (isEmojiElement(target)) {\n            // Emoji selected.\n            const unified = target.getAttribute('data-unified');\n            const shortnames = target.getAttribute('data-short-names').replace(/:/g, '').split(' ');\n            // Build the emoji data from the selected element.\n            const emojiData = {unified, shortnames};\n            const currentScrollTop = emojiContainer.scrollTop;\n            const isRecentEmojiRowVisible = emojiContainer.querySelector(`[data-row=\"${recentEmojiRowCount - 1}\"]`) !== null;\n            // Save the selected emoji in the recent emojis list.\n            [newRowData, recentEmojiRowCount] = addRecentEmoji(rowData, recentEmojiRowCount, emojiData);\n            // Re-index the category scroll positions because the additional recent emoji may have\n            // changed their positions.\n            newCategoryScrollPositions = getCategoryScrollPositionsFromRowData(newRowData);\n\n            if (isRecentEmojiRowVisible) {\n                // If the list of recent emojis is currently visible then we need to re-render the emojis\n                // to update the display and show the newly selected recent emoji.\n                renderAtPosition(currentScrollTop, newRowData);\n            }\n\n            // Call the client's callback function with the selected emoji.\n            selectCallback(target.textContent);\n            // Return the newly calculated row data and scroll positions.\n            return [newRowData, newCategoryScrollPositions];\n        }\n\n        const categorySelector = findCategorySelectorFromElement(target);\n        if (categorySelector) {\n            // Category selector.\n            const selectedCategory = categorySelector.getAttribute('data-category');\n            const position = categoryScrollPositions[selectedCategory];\n            // Scroll the container to the selected category. This will trigger the\n            // on scroll handler to re-render the visibile emojis.\n            emojiContainer.scrollTop = position;\n        }\n\n        return [newRowData, newCategoryScrollPositions];\n    };\n};\n\n/**\n * Build the function that handles scrolling of the emoji container to display the\n * correct emojis.\n *\n * We render the emoji rows as they are needed rather than all up front so that we\n * can avoid adding tends of thousands of elements to the DOM unnecessarily which\n * would bog down performance.\n *\n * @param {Element} root The picker root element\n * @param {Number} currentVisibleRowScrollPosition The current scroll position of the container\n * @param {Element} emojiContainer The emojis container element\n * @param {Object} initialCategoryScrollPositions Scroll positions for each category\n * @param {Function} renderAtPosition Function to render the appropriate emojis for a scroll position\n * @return {Function}\n */\nconst getHandleScroll = (\n    root,\n    currentVisibleRowScrollPosition,\n    emojiContainer,\n    initialCategoryScrollPositions,\n    renderAtPosition\n) => {\n    // Scope some local variables to track the scroll positions of the categories. We need to\n    // recalculate these because adding recent emojis can change those positions by adding\n    // additional rows.\n    let [\n        currentCategoryElement,\n        previousCategoryPosition,\n        nextCategoryPosition\n    ] = getCategoryByScrollPosition(root, emojiContainer.scrollTop, initialCategoryScrollPositions);\n\n    return (categoryScrollPositions, rowData) => {\n        const newScrollPosition = emojiContainer.scrollTop;\n        const upperScrollBound = currentVisibleRowScrollPosition + ROW_HEIGHT_RAW;\n        const lowerScrollBound = currentVisibleRowScrollPosition - ROW_HEIGHT_RAW;\n        // We only need to update the active category indicator if the user has scrolled into a\n        // new category scroll position.\n        const updateActiveCategory = (newScrollPosition >= nextCategoryPosition) ||\n                       (newScrollPosition < previousCategoryPosition);\n        // We only need to render new emoji rows if the user has scrolled far enough that a new row\n        // would be visible (i.e. they've scrolled up or down more than 40px - the height of a row).\n        const updateRenderRows = (newScrollPosition < lowerScrollBound) || (newScrollPosition > upperScrollBound);\n\n        if (updateActiveCategory) {\n            // New category is visible so update the active category selector and re-index the\n            // positions incase anything has changed.\n            [\n                currentCategoryElement,\n                previousCategoryPosition,\n                nextCategoryPosition\n            ] = getCategoryByScrollPosition(root, newScrollPosition, categoryScrollPositions);\n            setCategorySelectorActive(root, currentCategoryElement);\n        }\n\n        if (updateRenderRows) {\n            // A new row should be visible so re-render the visible emojis at this new position.\n            // We request an animation frame from the browser so that we're not blocking anything.\n            // The animation only needs to occur as soon as the browser is ready not immediately.\n            requestAnimationFrame(() => {\n                renderAtPosition(newScrollPosition, rowData);\n                // Remember the updated position.\n                currentVisibleRowScrollPosition = newScrollPosition;\n            });\n        }\n    };\n};\n\n/**\n * Build the function that handles search input from the user.\n *\n * @param {Element} searchInput The search input element\n * @param {Element} searchResultsContainer Container element to display the search results\n * @param {Element} emojiContainer Container element for the emoji rows\n * @return {Function}\n */\nconst getHandleSearch = (searchInput, searchResultsContainer, emojiContainer) => {\n    const rowContainer = searchResultsContainer.querySelector(SELECTORS.ROW_CONTAINER);\n    // Build a render function for the search results.\n    const renderSearchResultsAtPosition = generateRenderRowsAtPositionFunction(rowContainer);\n    searchResultsContainer.appendChild(rowContainer);\n\n    return async () => {\n        const searchTerm = searchInput.value.toLowerCase();\n\n        if (searchTerm) {\n            // Display the search results container and hide the emojis container.\n            showSearchResults(emojiContainer, searchResultsContainer);\n\n            // Find which emojis match the user's search input.\n            const matchingEmojis = Object.keys(EmojiData.byShortName).reduce((carry, shortName) => {\n                if (shortName.includes(searchTerm)) {\n                    carry.push({\n                        shortnames: [shortName],\n                        unified: EmojiData.byShortName[shortName]\n                    });\n                }\n                return carry;\n            }, []);\n\n            const searchResultsString = await get_string('searchresults', 'core');\n            const rowData = createRowDataForCategory(searchResultsString, searchResultsString, matchingEmojis, 0);\n            // Show the emoji rows for the search results.\n            renderSearchResultsAtPosition(0, rowData, rowData.length);\n        } else {\n            // Hide the search container and show the emojis container.\n            clearSearch(emojiContainer, searchResultsContainer, searchInput);\n        }\n    };\n};\n\n/**\n * Register the emoji picker event listeners.\n *\n * @param {Element} root The picker root element\n * @param {Element} emojiContainer Root element containing the list of visible emojis\n * @param {Function} renderAtPosition Function to render the visible emojis at a given scroll position\n * @param {Number} currentVisibleRowScrollPosition What is the current scroll position\n * @param {Function} selectCallback Function to execute when the user picks an emoji\n * @param {Object} categoryScrollPositions Scroll positions for where each of the emoji categories begin\n * @param {Array} rowData Data representing each of the display rows for hte emoji container\n * @param {Number} recentEmojiRowCount Number of rows of recent emojis\n */\nconst registerEventListeners = (\n    root,\n    emojiContainer,\n    renderAtPosition,\n    currentVisibleRowScrollPosition,\n    selectCallback,\n    categoryScrollPositions,\n    rowData,\n    recentEmojiRowCount\n) => {\n    const searchInput = root.querySelector(SELECTORS.SEARCH_INPUT);\n    const searchResultsContainer = root.querySelector(SELECTORS.SEARCH_RESULTS_CONTAINER);\n    const emojiPreview = root.querySelector(SELECTORS.EMOJI_PREVIEW);\n    const emojiShortName = root.querySelector(SELECTORS.EMOJI_SHORT_NAME);\n    // Build the click handler function.\n    const clickHandler = getHandleClick(\n        recentEmojiRowCount,\n        emojiContainer,\n        searchResultsContainer,\n        searchInput,\n        selectCallback,\n        renderAtPosition\n    );\n    // Build the scroll handler function.\n    const scrollHandler = getHandleScroll(\n        root,\n        currentVisibleRowScrollPosition,\n        emojiContainer,\n        categoryScrollPositions,\n        renderAtPosition\n    );\n    const searchHandler = getHandleSearch(searchInput, searchResultsContainer, emojiContainer);\n\n    // Mouse enter/leave events to show the emoji preview on hover or focus.\n    root.addEventListener('focus', getHandleMouseEnter(emojiPreview, emojiShortName), true);\n    root.addEventListener('blur', getHandleMouseLeave(emojiPreview, emojiShortName), true);\n    root.addEventListener('mouseenter', getHandleMouseEnter(emojiPreview, emojiShortName), true);\n    root.addEventListener('mouseleave', getHandleMouseLeave(emojiPreview, emojiShortName), true);\n    // User selects an emoji or clicks on one of the emoji category selectors.\n    root.addEventListener('click', e => {\n        // Update the row data and category scroll positions because they may have changes if the\n        // user selects an emoji which updates the recent emojis list.\n        [rowData, categoryScrollPositions] = clickHandler(e, rowData, categoryScrollPositions);\n    });\n    // Throttle the scroll event to only execute once every 50 milliseconds to prevent performance issues\n    // in the browser when re-rendering the picker emojis. The scroll event fires a lot otherwise.\n    emojiContainer.addEventListener('scroll', throttle(() => scrollHandler(categoryScrollPositions, rowData), 50));\n    // Debounce the search input so that it only executes 200 milliseconds after the user has finished typing.\n    searchInput.addEventListener('input', debounce(searchHandler, 200));\n};\n\n/**\n * Initialise the emoji picker.\n *\n * @param {Element} root The root element for the picker\n * @param {Function} selectCallback Callback for when the user selects an emoji\n */\nexport default (root, selectCallback) => {\n    const emojiContainer = root.querySelector(SELECTORS.EMOJIS_CONTAINER);\n    const rowContainer = emojiContainer.querySelector(SELECTORS.ROW_CONTAINER);\n    const recentEmojis = getRecentEmojis();\n    // Add the recent emojis category to the list of standard categories.\n    const allData = [{\n        name: 'Recent',\n        emojis: recentEmojis\n    }, ...EmojiData.byCategory];\n    let rowData = [];\n    let recentEmojiRowCount = 0;\n\n    /**\n     * Split categories data into rows which represent how they will be displayed in the\n     * picker. Each category will add a row containing the display name for the category\n     * and a row for every 9 emojis in the category. The row data will be used to calculate\n     * which emojis should be visible in the picker at any given time.\n     *\n     * E.g.\n     * input = [\n     *  {name: 'example1', emojis: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]},\n     *  {name: 'example2', emojis: [13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23]},\n     * ]\n     * output = [\n     *      {type: 'categoryName': data: 'Example 1'},\n     *      {type: 'emojiRow': data: [1, 2, 3, 4, 5, 6, 7, 8, 9]},\n     *      {type: 'emojiRow': data: [10, 11, 12]},\n     *      {type: 'categoryName': data: 'Example 2'},\n     *      {type: 'emojiRow': data: [13, 14, 15, 16, 17, 18, 19, 20, 21]},\n     *      {type: 'emojiRow': data: [22, 23]},\n     * ]\n     */\n    allData.forEach(category => {\n        const categorySelector = getCategorySelectorByCategoryName(root, category.name);\n        // Get the display name from the category selector button so that we don't need to\n        // send an ajax request for the string.\n        const categoryDisplayName = categorySelector.title;\n        const categoryRowData = createRowDataForCategory(category.name, categoryDisplayName, category.emojis, rowData.length);\n\n        if (category.name === 'Recent') {\n            // Remember how many recent emoji rows there are because it needs to be used to\n            // re-index the row data later when we're adding more recent emojis.\n            recentEmojiRowCount = categoryRowData.length;\n        }\n\n        rowData = rowData.concat(categoryRowData);\n    });\n\n    // Index the row data so that we can calculate which rows should be visible.\n    rowData = addIndexesToRowData(rowData);\n    // Calculate the scroll positions for each of the categories within the emoji container.\n    // These are used to know where to jump to when the user selects a specific category.\n    const categoryScrollPositions = getCategoryScrollPositionsFromRowData(rowData);\n    const renderAtPosition = 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);\n};"],"names":["ROW_TYPE","SELECTORS","createRowDataForCategory","categoryName","categoryDisplayName","emojis","totalRowCount","rowData","push","index","length","type","data","name","displayName","i","rowEmojis","slice","addIndexesToRowData","map","getCategoryScrollPositionsFromRowData","reduce","carry","row","createHeaderRow","rowIndex","context","text","html","temp","document","createElement","innerHTML","firstChild","createEmojiRow","emojiData","charCodes","unified","split","code","emojiText","String","fromCodePoint","apply","shortnames","join","spacer","spacers","Array","fill","isEmojiElement","element","getAttribute","findCategorySelectorFromElement","parentElement","getCategorySelectorByCategoryName","root","querySelector","getCategoryByScrollPosition","position","categoryScrollPositions","positions","categoryPosition","sort","a","b","candidate","previousPosition","currentPosition","nextPosition","getRecentEmojis","storedData","LocalStorage","get","JSON","parse","addRecentEmoji","recentEmojiRowCount","newEmoji","recentEmojis","newRecentEmojis","filter","emoji","EMOJIS_PER_ROW","newRecentEmojiRowData","set","stringify","saveRecentEmoji","concat","getRowsToRender","scrollPosition","visibleRowCount","minVisibleRow","Math","floor","start","end","createRowElement","style","left","right","top","doRowsMatch","_typeof","renderRows","rowContainer","currentRows","nextRows","toAdd","nextRow","some","currentRow","toKeep","toRemove","toRemoveElements","querySelectorAll","Promise","all","forEach","nextRowIndex","nextRowData","nextRowNode","insertBefore","splice","appendChild","rows","removeChild","generateRenderRowsAtPositionFunction","rowCount","isRendering","renderNextRows","nextRowsToRender","rowLimit","height","showSearchResults","emojiContainer","searchResultsContainer","classList","remove","add","clearSearch","searchInput","value","getHandleMouseEnter","emojiPreview","emojiShortName","e","target","textContent","getHandleMouseLeave","getHandleScroll","currentVisibleRowScrollPosition","initialCategoryScrollPositions","renderAtPosition","scrollTop","currentCategoryElement","previousCategoryPosition","nextCategoryPosition","newScrollPosition","updateRenderRows","allCategorySelectors","setCategorySelectorActive","requestAnimationFrame","registerEventListeners","selectCallback","clickHandler","newRowData","newCategoryScrollPositions","replace","currentScrollTop","isRecentEmojiRowVisible","categorySelector","getHandleClick","scrollHandler","searchHandler","renderSearchResultsAtPosition","searchTerm","toLowerCase","matchingEmojis","Object","keys","EmojiData","byShortName","shortName","includes","searchResultsString","getHandleSearch","addEventListener","allData","byCategory","category","title","categoryRowData"],"mappings":"ymJAiCMA,eACK,EADLA,gBAEM,EAENC,4BACiB,gCADjBA,2BAEgB,mCAFhBA,wBAGa,gCAHbA,2BAIgB,mCAJhBA,wBAKa,gCALbA,uBAMY,+BANZA,mCAOwB,2CAYxBC,yBAA2B,SAACC,aAAcC,oBAAqBC,OAAQC,mBACnEC,QAAU,GAChBA,QAAQC,KAAK,CACTC,MAAOH,cAAgBC,QAAQG,OAC/BC,KAAMX,gBACNY,KAAM,CACFC,KAAMV,aACNW,YAAaV,2BAIhB,IAAIW,EAAI,EAAGA,EAAIV,OAAOK,OAAQK,GApChB,EAoCqC,KAC9CC,UAAYX,OAAOY,MAAMF,EAAGA,EArCnB,GAsCfR,QAAQC,KAAK,CACTC,MAAOH,cAAgBC,QAAQG,OAC/BC,KAAMX,eACNY,KAAMI,mBAIPT,SASLW,oBAAsB,SAACX,gBAClBA,QAAQY,KAAI,SAACP,KAAMH,6CACXG,UAAMH,MAAAA,YAWnBW,sCAAwC,SAACb,gBACpCA,QAAQc,QAAO,SAACC,MAAOC,IAAKd,cAC3Bc,IAAIZ,OAASX,kBACbsB,MAAMC,IAAIX,KAAKC,MAvEJ,GAuEYJ,OAEpBa,QACR,KAUDE,iEAAkB,iBAAOC,SAAUZ,wIAC/Ba,QAAU,CACZjB,MAAOgB,SACPE,KAAMd,uBAES,qBAAe,wBAAyBa,uBAArDE,oBACAC,KAAOC,SAASC,cAAc,QAC/BC,UAAYJ,8BACVC,KAAKI,yHAUVC,iEAAiB,kBAAOT,SAAUpB,6IAC9BqB,QAAU,CACZjB,MAAOgB,SACPpB,OAAQA,OAAOc,KAAI,SAAAgB,eACTC,UAAYD,UAAUE,QAAQC,MAAM,KAAKnB,KAAI,SAAAoB,wBAAaA,SAC1DC,UAAYC,OAAOC,cAAcC,MAAM,KAAMP,iBAC5C,CACHQ,sBAAgBT,UAAUS,WAAWC,KAAK,YAC1CR,QAASF,UAAUE,QACnBV,KAAMa,UACNM,QAAQ,MAGhBC,QAASC,MAlHM,EAkHiB3C,OAAOK,QAAQuC,MAAK,sBAErC,qBAAe,uBAAwBvB,uBAApDE,qBACAC,KAAOC,SAASC,cAAc,QAC/BC,UAAYJ,+BACVC,KAAKI,6HASViB,eAAiB,SAAAC,gBAAwD,OAA7CA,QAAQC,aAAa,qBASjDC,gCAAkC,SAAlCA,gCAAkCF,gBAC/BA,QAIuC,kBAAxCA,QAAQC,aAAa,eACdD,QAEAE,gCAAgCF,QAAQG,eANxC,MAUTC,kCAAoC,SAACC,KAAM3C,aACtC2C,KAAKC,wCAAiC5C,aA6B3C6C,4BAA8B,SAACF,KAAMG,SAAUC,6BAC7CC,UAAY,OAOX,IAAM1D,iBALPwD,SAAW,IACXA,SAAW,GAIYC,wBAAyB,KAC1CE,iBAAmBF,wBAAwBzD,eACjD0D,UAAUrD,KAAK,CAACsD,iBAAkB3D,gBAItC0D,UAAUE,MAAK,0BAAEC,6BAAKC,oCACdD,EAAIC,GACI,EACDD,EAAIC,EACJ,EAEA,2BAMwCJ,UAAUxC,QAC7D,SAACC,MAAO4C,yCACqCA,aAAlCJ,+BAAkB3D,kCAErB2D,kBAAoBH,UACpBrC,MAAMnB,aAAeA,aACrBmB,MAAM6C,iBAAmB7C,MAAM8C,gBAC/B9C,MAAM8C,gBAAkBT,UACM,OAAvBrC,MAAM+C,eACb/C,MAAM+C,aAAeP,kBAGlBxC,QAEX,CACInB,aAAc,KACdiE,gBAAiB,KACjBD,iBAAkB,KAClBE,aAAc,OAlBflE,+BAAAA,aAAcgE,mCAAAA,iBAAkBE,+BAAAA,mBAsBhC,CAACd,kCAAkCC,KAAMrD,cAAegE,iBAAkBE,eAQ/EC,gBAAkB,eACdC,WAAaC,sBAAaC,IA9OF,+BA+OvBF,WAAaG,KAAKC,MAAMJ,YAAc,IAyB3CK,eAAiB,SAACrE,QAASsE,oBAAqBC,cAE5C3E,aAAeI,QAAQ,GAAGK,KAAKC,KAC/BT,oBAAsBG,QAAQ,GAAGK,KAAKE,YACtCiE,aAAeT,kBAEjBU,iBAAmBF,oCAAaC,aAAaE,QAAO,SAAAC,cAASA,MAAM7C,SAAWyC,SAASzC,aAE3F2C,gBAAkBA,gBAAgB/D,MAAM,EA7QnBkE,QA8QfC,sBAAwBlF,y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\ No newline at end of file
diff --git a/lib/amd/build/event.min.js b/lib/amd/build/event.min.js
index 3541d3199fb..f848eeb21f9 100644
--- a/lib/amd/build/event.min.js
+++ b/lib/amd/build/event.min.js
@@ -1,2 +1,13 @@
-define ("core/event",["jquery","core/yui"],function(a,b){return{Events:{FORM_FIELD_VALIDATION:"core_form-field-validation"},getLegacyEvents:function getLegacyEvents(){var c=a.Deferred();b.use("event","moodle-core-event",function(){c.resolve(window.M.core.event)});return c.promise()},notifyFilterContentUpdated:function notifyFilterContentUpdated(c){c=a(c);b.use("event","moodle-core-event",function(b){a(document).trigger(M.core.event.FILTER_CONTENT_UPDATED,[c]);var d=new b.NodeList(c.get());b.fire(M.core.event.FILTER_CONTENT_UPDATED,{nodes:d})})},notifyFormSubmitAjax:function notifyFormSubmitAjax(c,d){d=d||!1;b.use("event","moodle-core-event",function(b){if(d){window.skipClientValidation=!0}a(c).trigger(M.core.event.FORM_SUBMIT_AJAX);b.one(c).fire(M.core.event.FORM_SUBMIT_AJAX,{currentTarget:b.one(c)});if(d){window.skipClientValidation=!1}})},notifyEditorContentRestored:function notifyEditorContentRestored(){b.use("event","moodle-core-event",function(b){a(document).trigger(M.core.event.EDITOR_CONTENT_RESTORED);b.fire(M.core.event.EDITOR_CONTENT_RESTORED)})}}});
-//# sourceMappingURL=event.min.js.map
+/**
+ * Global registry of core events that can be triggered/listened for.
+ *
+ * @module     core/event
+ * @package    core
+ * @class      event
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.0
+ */
+define("core/event",["jquery","core/yui"],(function($,Y){return{Events:{FORM_FIELD_VALIDATION:"core_form-field-validation"},getLegacyEvents:function(){var result=$.Deferred();return Y.use("event","moodle-core-event",(function(){result.resolve(window.M.core.event)})),result.promise()},notifyFilterContentUpdated:function(nodes){nodes=$(nodes),Y.use("event","moodle-core-event",(function(Y){$(document).trigger(M.core.event.FILTER_CONTENT_UPDATED,[nodes]);var yuiNodes=new Y.NodeList(nodes.get());Y.fire(M.core.event.FILTER_CONTENT_UPDATED,{nodes:yuiNodes})}))},notifyFormSubmitAjax:function(form,skipValidation){skipValidation=skipValidation||!1,Y.use("event","moodle-core-event",(function(Y){skipValidation&&(window.skipClientValidation=!0),$(form).trigger(M.core.event.FORM_SUBMIT_AJAX),Y.one(form).fire(M.core.event.FORM_SUBMIT_AJAX,{currentTarget:Y.one(form)}),skipValidation&&(window.skipClientValidation=!1)}))},notifyEditorContentRestored:function(){Y.use("event","moodle-core-event",(function(Y){$(document).trigger(M.core.event.EDITOR_CONTENT_RESTORED),Y.fire(M.core.event.EDITOR_CONTENT_RESTORED)}))}}}));
+
+//# sourceMappingURL=event.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/event.min.js.map b/lib/amd/build/event.min.js.map
index 38e1a2d518d..c6838f6c29e 100644
--- a/lib/amd/build/event.min.js.map
+++ b/lib/amd/build/event.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/event.js"],"names":["define","$","Y","Events","FORM_FIELD_VALIDATION","getLegacyEvents","result","Deferred","use","resolve","window","M","core","event","promise","notifyFilterContentUpdated","nodes","document","trigger","FILTER_CONTENT_UPDATED","yuiNodes","NodeList","get","fire","notifyFormSubmitAjax","form","skipValidation","skipClientValidation","FORM_SUBMIT_AJAX","one","currentTarget","notifyEditorContentRestored","EDITOR_CONTENT_RESTORED"],"mappings":"AAyBAA,OAAM,cAAC,CAAC,QAAD,CAAW,UAAX,CAAD,CACC,SAASC,CAAT,CAAYC,CAAZ,CAAe,CAElB,MAAuC,CAKnCC,MAAM,CAAE,CACJC,qBAAqB,CAAE,4BADnB,CAL2B,CAenCC,eAAe,CAAE,0BAAW,CACxB,GAAIC,CAAAA,CAAM,CAAGL,CAAC,CAACM,QAAF,EAAb,CACAL,CAAC,CAACM,GAAF,CAAM,OAAN,CAAe,mBAAf,CAAoC,UAAW,CAC3CF,CAAM,CAACG,OAAP,CAAeC,MAAM,CAACC,CAAP,CAASC,IAAT,CAAcC,KAA7B,CACH,CAFD,EAGA,MAAOP,CAAAA,CAAM,CAACQ,OAAP,EACV,CArBkC,CA6BnCC,0BAA0B,CAAE,oCAASC,CAAT,CAAgB,CACxCA,CAAK,CAAGf,CAAC,CAACe,CAAD,CAAT,CACAd,CAAC,CAACM,GAAF,CAAM,OAAN,CAAe,mBAAf,CAAoC,SAASN,CAAT,CAAY,CAE5CD,CAAC,CAACgB,QAAD,CAAD,CAAYC,OAAZ,CAAoBP,CAAC,CAACC,IAAF,CAAOC,KAAP,CAAaM,sBAAjC,CAAyD,CAACH,CAAD,CAAzD,EAGA,GAAII,CAAAA,CAAQ,CAAG,GAAIlB,CAAAA,CAAC,CAACmB,QAAN,CAAeL,CAAK,CAACM,GAAN,EAAf,CAAf,CAGApB,CAAC,CAACqB,IAAF,CAAOZ,CAAC,CAACC,IAAF,CAAOC,KAAP,CAAaM,sBAApB,CAA4C,CAACH,KAAK,CAAEI,CAAR,CAA5C,CACH,CATD,CAUH,CAzCkC,CAkDnCI,oBAAoB,CAAE,8BAASC,CAAT,CAAeC,CAAf,CAA+B,CAGjDA,CAAc,CAAGA,CAAc,IAA/B,CAEAxB,CAAC,CAACM,GAAF,CAAM,OAAN,CAAe,mBAAf,CAAoC,SAASN,CAAT,CAAY,CAC5C,GAAIwB,CAAJ,CAAoB,CAChBhB,MAAM,CAACiB,oBAAP,GACH,CAED1B,CAAC,CAACwB,CAAD,CAAD,CAAQP,OAAR,CAAgBP,CAAC,CAACC,IAAF,CAAOC,KAAP,CAAae,gBAA7B,EAGA1B,CAAC,CAAC2B,GAAF,CAAMJ,CAAN,EAAYF,IAAZ,CAAiBZ,CAAC,CAACC,IAAF,CAAOC,KAAP,CAAae,gBAA9B,CAAgD,CAACE,aAAa,CAAE5B,CAAC,CAAC2B,GAAF,CAAMJ,CAAN,CAAhB,CAAhD,EAEA,GAAIC,CAAJ,CAAoB,CAChBhB,MAAM,CAACiB,oBAAP,GACH,CACJ,CAbD,CAcH,CArEkC,CA6EnCI,2BAA2B,CAAE,sCAAW,CACpC7B,CAAC,CAACM,GAAF,CAAM,OAAN,CAAe,mBAAf,CAAoC,SAASN,CAAT,CAAY,CAE5CD,CAAC,CAACgB,QAAD,CAAD,CAAYC,OAAZ,CAAoBP,CAAC,CAACC,IAAF,CAAOC,KAAP,CAAamB,uBAAjC,EAGA9B,CAAC,CAACqB,IAAF,CAAOZ,CAAC,CAACC,IAAF,CAAOC,KAAP,CAAamB,uBAApB,CACH,CAND,CAOH,CArFkC,CAuF1C,CA1FK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Global registry of core events that can be triggered/listened for.\n *\n * @module     core/event\n * @package    core\n * @class      event\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.0\n */\ndefine(['jquery', 'core/yui'],\n       function($, Y) {\n\n    return /** @alias module:core/event */ {\n\n\n        // Public variables and functions.\n        // These are AMD only events - no backwards compatibility for new things.\n        Events: {\n            FORM_FIELD_VALIDATION: \"core_form-field-validation\"\n        },\n\n        /**\n         * Load the legacy YUI module which defines events in M.core.event and return it.\n         *\n         * @method getLegacyEvents\n         * @return {Promise}\n         */\n        getLegacyEvents: function() {\n            var result = $.Deferred();\n            Y.use('event', 'moodle-core-event', function() {\n                result.resolve(window.M.core.event);\n            });\n            return result.promise();\n        },\n\n        /**\n         * Trigger an event using both JQuery and YUI\n         *\n         * @method notifyFilterContentUpdated\n         * @param {string|JQuery} nodes - Selector or list of elements that were inserted.\n         */\n        notifyFilterContentUpdated: function(nodes) {\n            nodes = $(nodes);\n            Y.use('event', 'moodle-core-event', function(Y) {\n                // Trigger it the JQuery way.\n                $(document).trigger(M.core.event.FILTER_CONTENT_UPDATED, [nodes]);\n\n                // Create a YUI NodeList from our JQuery Object.\n                var yuiNodes = new Y.NodeList(nodes.get());\n\n                // And again for YUI.\n                Y.fire(M.core.event.FILTER_CONTENT_UPDATED, {nodes: yuiNodes});\n            });\n        },\n\n        /**\n         * Trigger an event using both JQuery and YUI\n         *\n         * @method notifyFormSubmittedAjax\n         * @param {DOMElement} form\n         * @param {boolean} skipValidation Submit the form without validation. E.g. \"Cancel\".\n         */\n        notifyFormSubmitAjax: function(form, skipValidation) {\n\n            // Argument is optional.\n            skipValidation = skipValidation || false;\n\n            Y.use('event', 'moodle-core-event', function(Y) {\n                if (skipValidation) {\n                    window.skipClientValidation = true;\n                }\n                // Trigger it the JQuery way.\n                $(form).trigger(M.core.event.FORM_SUBMIT_AJAX);\n\n                // And again for YUI.\n                Y.one(form).fire(M.core.event.FORM_SUBMIT_AJAX, {currentTarget: Y.one(form)});\n\n                if (skipValidation) {\n                    window.skipClientValidation = false;\n                }\n            });\n        },\n\n        /**\n         * Trigger an event using both JQuery and YUI\n         * This event alerts the world that the editor has restored some content.\n         *\n         * @method notifyEditorContentRestored\n         */\n        notifyEditorContentRestored: function() {\n            Y.use('event', 'moodle-core-event', function(Y) {\n                // Trigger it the JQuery way.\n                $(document).trigger(M.core.event.EDITOR_CONTENT_RESTORED);\n\n                // And again for YUI.\n                Y.fire(M.core.event.EDITOR_CONTENT_RESTORED);\n            });\n        },\n    };\n});\n"],"file":"event.min.js"}
\ No newline at end of file
+{"version":3,"file":"event.min.js","sources":["../src/event.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Global registry of core events that can be triggered/listened for.\n *\n * @module     core/event\n * @package    core\n * @class      event\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.0\n */\ndefine(['jquery', 'core/yui'],\n       function($, Y) {\n\n    return /** @alias module:core/event */ {\n\n\n        // Public variables and functions.\n        // These are AMD only events - no backwards compatibility for new things.\n        Events: {\n            FORM_FIELD_VALIDATION: \"core_form-field-validation\"\n        },\n\n        /**\n         * Load the legacy YUI module which defines events in M.core.event and return it.\n         *\n         * @method getLegacyEvents\n         * @return {Promise}\n         */\n        getLegacyEvents: function() {\n            var result = $.Deferred();\n            Y.use('event', 'moodle-core-event', function() {\n                result.resolve(window.M.core.event);\n            });\n            return result.promise();\n        },\n\n        /**\n         * Trigger an event using both JQuery and YUI\n         *\n         * @method notifyFilterContentUpdated\n         * @param {string|JQuery} nodes - Selector or list of elements that were inserted.\n         */\n        notifyFilterContentUpdated: function(nodes) {\n            nodes = $(nodes);\n            Y.use('event', 'moodle-core-event', function(Y) {\n                // Trigger it the JQuery way.\n                $(document).trigger(M.core.event.FILTER_CONTENT_UPDATED, [nodes]);\n\n                // Create a YUI NodeList from our JQuery Object.\n                var yuiNodes = new Y.NodeList(nodes.get());\n\n                // And again for YUI.\n                Y.fire(M.core.event.FILTER_CONTENT_UPDATED, {nodes: yuiNodes});\n            });\n        },\n\n        /**\n         * Trigger an event using both JQuery and YUI\n         *\n         * @method notifyFormSubmittedAjax\n         * @param {DOMElement} form\n         * @param {boolean} skipValidation Submit the form without validation. E.g. \"Cancel\".\n         */\n        notifyFormSubmitAjax: function(form, skipValidation) {\n\n            // Argument is optional.\n            skipValidation = skipValidation || false;\n\n            Y.use('event', 'moodle-core-event', function(Y) {\n                if (skipValidation) {\n                    window.skipClientValidation = true;\n                }\n                // Trigger it the JQuery way.\n                $(form).trigger(M.core.event.FORM_SUBMIT_AJAX);\n\n                // And again for YUI.\n                Y.one(form).fire(M.core.event.FORM_SUBMIT_AJAX, {currentTarget: Y.one(form)});\n\n                if (skipValidation) {\n                    window.skipClientValidation = false;\n                }\n            });\n        },\n\n        /**\n         * Trigger an event using both JQuery and YUI\n         * This event alerts the world that the editor has restored some content.\n         *\n         * @method notifyEditorContentRestored\n         */\n        notifyEditorContentRestored: function() {\n            Y.use('event', 'moodle-core-event', function(Y) {\n                // Trigger it the JQuery way.\n                $(document).trigger(M.core.event.EDITOR_CONTENT_RESTORED);\n\n                // And again for YUI.\n                Y.fire(M.core.event.EDITOR_CONTENT_RESTORED);\n            });\n        },\n    };\n});\n"],"names":["define","$","Y","Events","FORM_FIELD_VALIDATION","getLegacyEvents","result","Deferred","use","resolve","window","M","core","event","promise","notifyFilterContentUpdated","nodes","document","trigger","FILTER_CONTENT_UPDATED","yuiNodes","NodeList","get","fire","notifyFormSubmitAjax","form","skipValidation","skipClientValidation","FORM_SUBMIT_AJAX","one","currentTarget","notifyEditorContentRestored","EDITOR_CONTENT_RESTORED"],"mappings":";;;;;;;;;;AAyBAA,oBAAO,CAAC,SAAU,aACX,SAASC,EAAGC,SAEwB,CAKnCC,OAAQ,CACJC,sBAAuB,8BAS3BC,gBAAiB,eACTC,OAASL,EAAEM,kBACfL,EAAEM,IAAI,QAAS,qBAAqB,WAChCF,OAAOG,QAAQC,OAAOC,EAAEC,KAAKC,UAE1BP,OAAOQ,WASlBC,2BAA4B,SAASC,OACjCA,MAAQf,EAAEe,OACVd,EAAEM,IAAI,QAAS,qBAAqB,SAASN,GAEzCD,EAAEgB,UAAUC,QAAQP,EAAEC,KAAKC,MAAMM,uBAAwB,CAACH,YAGtDI,SAAW,IAAIlB,EAAEmB,SAASL,MAAMM,OAGpCpB,EAAEqB,KAAKZ,EAAEC,KAAKC,MAAMM,uBAAwB,CAACH,MAAOI,eAW5DI,qBAAsB,SAASC,KAAMC,gBAGjCA,eAAiBA,iBAAkB,EAEnCxB,EAAEM,IAAI,QAAS,qBAAqB,SAASN,GACrCwB,iBACAhB,OAAOiB,sBAAuB,GAGlC1B,EAAEwB,MAAMP,QAAQP,EAAEC,KAAKC,MAAMe,kBAG7B1B,EAAE2B,IAAIJ,MAAMF,KAAKZ,EAAEC,KAAKC,MAAMe,iBAAkB,CAACE,cAAe5B,EAAE2B,IAAIJ,QAElEC,iBACAhB,OAAOiB,sBAAuB,OAW1CI,4BAA6B,WACzB7B,EAAEM,IAAI,QAAS,qBAAqB,SAASN,GAEzCD,EAAEgB,UAAUC,QAAQP,EAAEC,KAAKC,MAAMmB,yBAGjC9B,EAAEqB,KAAKZ,EAAEC,KAAKC,MAAMmB"}
\ No newline at end of file
diff --git a/lib/amd/build/first.min.js b/lib/amd/build/first.min.js
index cc205363887..68e67d1a4b5 100644
--- a/lib/amd/build/first.min.js
+++ b/lib/amd/build/first.min.js
@@ -1,2 +1,17 @@
-define ("core/first",["jquery"],function(a){a(document).bind("ajaxStart",function(){M.util.js_pending("jq")}).bind("ajaxStop",function(){M.util.js_complete("jq")})});
-//# sourceMappingURL=first.min.js.map
+/**
+ * This is an empty module, that is required before all other modules.
+ * Because every module is returned from a request for any other module, this
+ * forces the loading of all modules with a single request.
+ *
+ * This function also sets up the listeners for ajax requests so we can tell
+ * if any requests are still in progress.
+ *
+ * @module     core/first
+ * @package    core
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      2.9
+ */
+define("core/first",["jquery"],(function($){$(document).bind("ajaxStart",(function(){M.util.js_pending("jq")})).bind("ajaxStop",(function(){M.util.js_complete("jq")}))}));
+
+//# sourceMappingURL=first.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/first.min.js.map b/lib/amd/build/first.min.js.map
index 97014b6fa2a..3aefbd63932 100644
--- a/lib/amd/build/first.min.js.map
+++ b/lib/amd/build/first.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/first.js"],"names":["define","$","document","bind","M","util","js_pending","js_complete"],"mappings":"AA6BAA,OAAM,cAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAC3BA,CAAC,CAACC,QAAD,CAAD,CAAYC,IAAZ,CAAiB,WAAjB,CAA8B,UAAW,CACrCC,CAAC,CAACC,IAAF,CAAOC,UAAP,CAAkB,IAAlB,CACH,CAFD,EAEGH,IAFH,CAEQ,UAFR,CAEoB,UAAW,CAC3BC,CAAC,CAACC,IAAF,CAAOE,WAAP,CAAmB,IAAnB,CACH,CAJD,CAKH,CANK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This is an empty module, that is required before all other modules.\n * Because every module is returned from a request for any other module, this\n * forces the loading of all modules with a single request.\n *\n * This function also sets up the listeners for ajax requests so we can tell\n * if any requests are still in progress.\n *\n * @module     core/first\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(['jquery'], function($) {\n    $(document).bind(\"ajaxStart\", function() {\n        M.util.js_pending('jq');\n    }).bind(\"ajaxStop\", function() {\n        M.util.js_complete('jq');\n    });\n});\n"],"file":"first.min.js"}
\ No newline at end of file
+{"version":3,"file":"first.min.js","sources":["../src/first.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This is an empty module, that is required before all other modules.\n * Because every module is returned from a request for any other module, this\n * forces the loading of all modules with a single request.\n *\n * This function also sets up the listeners for ajax requests so we can tell\n * if any requests are still in progress.\n *\n * @module     core/first\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(['jquery'], function($) {\n    $(document).bind(\"ajaxStart\", function() {\n        M.util.js_pending('jq');\n    }).bind(\"ajaxStop\", function() {\n        M.util.js_complete('jq');\n    });\n});\n"],"names":["define","$","document","bind","M","util","js_pending","js_complete"],"mappings":";;;;;;;;;;;;;;AA6BAA,oBAAO,CAAC,WAAW,SAASC,GACxBA,EAAEC,UAAUC,KAAK,aAAa,WAC1BC,EAAEC,KAAKC,WAAW,SACnBH,KAAK,YAAY,WAChBC,EAAEC,KAAKE,YAAY"}
\ No newline at end of file
diff --git a/lib/amd/build/form-autocomplete.min.js b/lib/amd/build/form-autocomplete.min.js
index 6c8f3cfd783..0ef50552ad4 100644
--- a/lib/amd/build/form-autocomplete.min.js
+++ b/lib/amd/build/form-autocomplete.min.js
@@ -1,2 +1,13 @@
-define ("core/form-autocomplete",["jquery","core/log","core/str","core/templates","core/notification","core/loadingicon"],function(a,b,c,d,f,g){var h={DOWN:40,ENTER:13,SPACE:32,ESCAPE:27,COMMA:44,UP:38,LEFT:37,RIGHT:39},i=Date.now(),j=function(b,c){var d=a(document.getElementById(c.selectionId)),e=d.children("[aria-selected=true]").length;b=b%e;while(0>b){b+=e}var f=a(d.children("[aria-selected=true]").get(b)),g=c.selectionId+"-"+b;d.children().attr("data-active-selection",null).attr("id","");f.attr("data-active-selection",!0).attr("id",g);d.attr("aria-activedescendant",g);d.attr("data-active-value",f.attr("data-value"));return a.Deferred().resolve()},k=function(b){var c=a(document.getElementById(b.selectionId)),d=c.attr("aria-activedescendant");if(d){var e=a(document.getElementById(d));if(e.length){return e}}var f=c.attr("data-active-value");return c.find("[data-value=\""+f+"\"]")},l=function(b){var c=k(b),d=c.attr("data-value"),e=a(document.getElementById(b.selectionId));if(d){var f=e.find("[aria-selected=true]").index(c);if(-1!==f){j(f,b);return}}j(0,b)},m=function(b,c,e){var g="form-autocomplete-updateSelectionList-"+c.inputId;M.util.js_pending(g);var h=[],i=a(document.getElementById(c.selectionId));e.children("option").each(function(b,c){if(a(c).prop("selected")){var d;if(a(c).data("html")){d=a(c).data("html")}else{d=a(c).html()}if(""!==d){h.push({label:d,value:a(c).attr("value")})}}});if(!n(c,h)){M.util.js_complete(g);return Promise.resolve()}c.items=h;var j=a.extend(b,c);return d.render(b.templates.items,j).then(function(a,b){d.replaceNodeContents(i,a,b);l(c)}).then(function(){return M.util.js_complete(g)}).catch(f.exception)},n=function(a,b){if(a.items.length!==b.length){return!0}return 0<a.items.filter(function(a){return-1===b.indexOf(a)}).length},o=function(a){if("undefined"!=typeof M.core_formchangechecker){M.core_formchangechecker.set_form_changed()}var b;if("function"==typeof Event){b=new Event("change")}else{b=document.createEvent("Event");b.initEvent("change",!0,!0)}a[0].dispatchEvent(b)},p=function(b,c,d,e){var f=a(d).attr("data-value");e.children("option").each(function(b,c){if(a(c).attr("value")==f){a(c).prop("selected",!1);if(a(c).attr("data-iscustom")){a(c).remove()}}});return m(b,c,e).then(function(){o(e)})},q=function(b,c){var d=a(document.getElementById(c.inputId)),e=a(document.getElementById(c.suggestionsId)),f=e.children("[aria-hidden=false]").length;b=b%f;while(0>b){b+=f}var g=a(e.children("[aria-hidden=false]").get(b)),h=a(e.children("[role=option]")).index(g),i=c.suggestionsId+"-"+h;e.children().attr("aria-selected",!1).attr("id","");g.attr("aria-selected",!0).attr("id",i);d.attr("aria-activedescendant",i);var j=g.offset().top-e.offset().top+e.scrollTop()-e.height()/2;return e.animate({scrollTop:j},100).promise()},r=function(b){var c=a(document.getElementById(b.suggestionsId)),d=c.children("[aria-selected=true]"),e=c.children("[aria-hidden=false]").index(d);return q(e+1,b)},s=function(b){var c=a(document.getElementById(b.selectionId)),d=c.children("[data-active-selection]");if(!d){return j(0,b)}var e=c.children("[aria-selected=true]").index(d);return j(e-1,b)},t=function(b){var c=a(document.getElementById(b.selectionId)),d=c.children("[data-active-selection]"),e=0;if(d){e=c.children("[aria-selected=true]").index(d);e=e+1}else{e=0}return j(e,b)},u=function(b){var c=a(document.getElementById(b.suggestionsId)),d=c.children("[aria-selected=true]"),e=c.children("[aria-hidden=false]").index(d);return q(e-1,b)},v=function(b){var c=a(document.getElementById(b.inputId)),d=a(document.getElementById(b.suggestionsId));if("true"===c.attr("aria-expanded")){c.attr("aria-expanded",!1)}c.attr("aria-activedescendant",b.selectionId);d.hide().attr("aria-hidden",!0);return a.Deferred().resolve()},w=function(b,e,g,h){var i="form-autocomplete-updateSuggestions-"+e.inputId;M.util.js_pending(i);var j=a(document.getElementById(e.inputId)),k=a(document.getElementById(e.suggestionsId)),l=!1,m=[];h.children("option").each(function(b,c){if(!0!==a(c).prop("selected")){m[m.length]={label:c.innerHTML,value:a(c).attr("value")}}});var n=e.caseSensitive?g:g.toLocaleLowerCase(),o=a.extend({options:m},b,e),p=d.render("core/form_autocomplete_suggestions",o).then(function(f,g){d.replaceNode(k,f,g);k=a(document.getElementById(e.suggestionsId));k.show().attr("aria-hidden",!1);k.children().each(function(c,d){d=a(d);if(b.caseSensitive&&-1<d.text().indexOf(n)||!b.caseSensitive&&-1<d.text().toLocaleLowerCase().indexOf(n)){d.show().attr("aria-hidden",!1);l=!0}else{d.hide().attr("aria-hidden",!0)}});j.attr("aria-expanded",!0);if(h.attr("data-notice")){k.html(h.attr("data-notice"))}else if(l){if(!b.tags){q(0,e)}}else{c.get_string("nosuggestions","form").done(function(a){k.html(a)})}return k}).then(function(){return M.util.js_complete(i)}).catch(f.exception);return p},x=function(b,c,d){var e=a(document.getElementById(c.inputId)),f=e.val(),g=f.split(","),h=!1;a.each(g,function(c,e){e=e.trim();if(""!==e){if(!b.multiple){d.children("option").prop("selected",!1)}d.children("option").each(function(b,c){if(a(c).attr("value")==e){h=!0;a(c).prop("selected",!0)}});if(!h){var f=a("<option>");f.append(document.createTextNode(e));f.attr("value",e);d.append(f);f.prop("selected",!0);f.attr("data-iscustom",!0)}}});return m(b,c,d).then(function(){o(d)}).then(function(){e.val("")}).then(function(){return v(c)})},y=function(b,c,d){var e=a(document.getElementById(c.inputId)),f=a(document.getElementById(c.suggestionsId)),g=f.children("[aria-selected=true]").attr("data-value");if(!b.multiple){d.children("option").prop("selected",!1)}d.children("option").each(function(b,c){if(a(c).attr("value")==g){a(c).prop("selected",!0)}});return m(b,c,d).then(function(){o(d)}).then(function(){if(b.closeSuggestionsOnSelect){e.val("");return v(c)}else{e.focus();return w(b,c,e.val(),d)}})},z=function(b,c,d,e,f){var h=B("updateAjax"),i=a(document.getElementById(d.selectId)).parent();g.addIconToContainerRemoveOnCompletion(i,h);var j=a(b.currentTarget).val();f.transport(c.selector,j,function(b){var g=f.processResults(c.selector,b),i=[];if(!c.multiple){e.children("option").remove()}e.children("option").each(function(b,c){c=a(c);if(!c.prop("selected")){c.remove()}else{i.push(c.attr("value")+"")}});if(!c.multiple&&0===e.children("option").length){var j=a("<option>");e.append(j)}if(a.isArray(g)){a.each(g,function(b,c){if(-1===i.indexOf(c.value+"")){var d=a("<option>");d.append(c.label);d.attr("value",c.value);e.append(d)}});e.attr("data-notice","")}else{e.attr("data-notice",g)}h.resolve(w(c,d,"",e))},function(a){h.reject(a)});return h},A=function(b,c,d){var g=a(document.getElementById(c.inputId));g.on("keydown",function(f){var e=B("addNavigation-"+c.inputId+"-"+f.keyCode);switch(f.keyCode){case h.DOWN:if(!b.showSuggestions){e.resolve();return!0}else if("true"===g.attr("aria-expanded")){e.resolve(r(c))}else{if(!g.val()&&b.ajax){require([b.ajax],function(a){e.resolve(z(f,b,c,d,a))})}else{e.resolve(w(b,c,g.val(),d))}}f.preventDefault();return!1;case h.UP:e.resolve(u(c));f.preventDefault();return!1;case h.ENTER:var i=a(document.getElementById(c.suggestionsId));if("true"===g.attr("aria-expanded")&&0<i.children("[aria-selected=true]").length){e.resolve(y(b,c,d))}else if(b.tags){e.resolve(x(b,c,d))}else{e.resolve()}f.preventDefault();return!1;case h.ESCAPE:if("true"===g.attr("aria-expanded")){e.resolve(v(c))}else{e.resolve()}f.preventDefault();return!1;}e.resolve();return!0});g.on("keypress",function(a){if(a.keyCode===h.COMMA){if(b.tags){B("keypress-"+a.keyCode).resolve(x(b,c,d))}a.preventDefault();return!1}return!0});g.closest("form").on("submit",function(){if(b.tags){B("form-autocomplete-submit").resolve(x(b,c,d))}return!0});g.on("blur",function(){var e=B("form-autocomplete-blur");window.setTimeout(function(){var f=a(document.activeElement),h=a.Deferred();if(f.is(document.getElementById(c.suggestionsId))){g.focus()}else if(!f.is(g)&&a(document.getElementById(c.inputId)).length){if(b.tags){h.then(function(){return x(b,c,d)}).catch()}h.then(function(){return v(c)}).catch()}h.then(function(){return e.resolve()}).catch();h.resolve()},500)});if(b.showSuggestions){var i=a(document.getElementById(c.downArrowId));i.on("click",function(a){var e=B("form-autocomplete-show-suggestions");g.focus();if(!g.val()&&b.ajax){require([b.ajax],function(f){e.resolve(z(a,b,c,d,f))})}else{e.resolve(w(b,c,g.val(),d))}})}var j=a(document.getElementById(c.suggestionsId));j.parent().prop("onclick",null).off("click");j.parent().on("click","#".concat(c.suggestionsId," [role=option]"),function(f){var e=B("form-autocomplete-parent"),g=a(f.currentTarget).closest("[role=option]"),h=a(document.getElementById(c.suggestionsId)),i=h.children("[aria-hidden=false]").index(g);q(i,c).then(function(){return y(b,c,d)}).then(function(){return e.resolve()}).catch()});var k=a(document.getElementById(c.selectionId));k.on("click","[role=option]",function(f){var e=B("form-autocomplete-clicks");e.resolve(p(b,c,a(f.currentTarget),d))});k.on("focus",function(){l(c)});k.on("keydown",function(f){var e=B("form-autocomplete-keydown-"+f.keyCode);switch(f.keyCode){case h.RIGHT:case h.DOWN:f.preventDefault();e.resolve(t(c));return;case h.LEFT:case h.UP:f.preventDefault();e.resolve(s(c));return;case h.SPACE:case h.ENTER:var g=a(document.getElementById(c.selectionId)).children("[data-active-selection]");if(g){f.preventDefault();e.resolve(p(b,c,g,d))}return;}e.resolve()});if(b.showSuggestions){g.on("focus",function(b){var c=a(b.currentTarget).val();a(b.currentTarget).data("last-value",c)});if(b.ajax){require([b.ajax],function(h){var i=null,j=!1,k="autocomplete-throttledhandler",l=function(a){i=null;j=!0;z(a,b,c,d,h).then(function(){if(null===i){M.util.js_complete(k)}j=!1;return arguments[0]}).catch(f.exception)},m=function(a){window.clearTimeout(i);if(j){i=window.setTimeout(m.bind(this,a),100);return}if(null===i){M.util.js_pending(k)}i=window.setTimeout(l.bind(this,a),300)};g.on("input",function(b){var c=a(b.currentTarget).val(),d=a(b.currentTarget).data("last-value");if(d!==c){m(b)}a(b.currentTarget).data("last-value",c)})})}else{g.on("input",function(f){var e=a(f.currentTarget).val(),g=a(f.currentTarget).data("last-value");if(g!==e){w(b,c,e,d)}a(f.currentTarget).data("last-value",e)})}}},B=function(b){var c="form-autocomplete:"+b;M.util.js_pending(c);var d=a.Deferred();d.then(function(){M.util.js_complete(c);return arguments[0]}).catch(f.exception);return d};return{enhance:function enhance(e,g,h,j,k,l,n,o,p){var q={selector:e,tags:!1,ajax:!1,placeholder:j,caseSensitive:!1,showSuggestions:!0,noSelectionString:n,templates:a.extend({input:"core/form_autocomplete_input",items:"core/form_autocomplete_selection_items",layout:"core/form_autocomplete_layout",selection:"core/form_autocomplete_selection",suggestions:"core/form_autocomplete_suggestions"},p)},r="autocomplete-setup-"+e;M.util.js_pending(r);if("undefined"!=typeof g){q.tags=g}if("undefined"!=typeof h){q.ajax=h}if("undefined"!=typeof k){q.caseSensitive=k}if("undefined"!=typeof l){q.showSuggestions=l}if("undefined"==typeof n){c.get_string("noselection","form").done(function(a){q.noSelectionString=a}).fail(f.exception)}var s=a(e);if(!s){b.debug("Selector not found: "+e);M.util.js_complete(r);return!1}s.css("visibility","hidden").attr("aria-hidden",!0);var t={selectId:s.attr("id"),inputId:"form_autocomplete_input-"+i,suggestionsId:"form_autocomplete_suggestions-"+i,selectionId:"form_autocomplete_selection-"+i,downArrowId:"form_autocomplete_downarrow-"+i,items:[]};i++;q.multiple=s.attr("multiple");if(!q.multiple){s.prepend("<option>")}if("undefined"!=typeof o){q.closeSuggestionsOnSelect=o}else{q.closeSuggestionsOnSelect=!q.multiple}var u=a("[for="+t.selectId+"]"),v=[];s.children("option").each(function(b,c){v[b]={label:c.innerHTML,value:a(c).attr("value")}});var w=a.extend({},q,t);w.options=v;w.items=[];var x="",y=d.render(q.templates.layout,{}).then(function(b){return a(b)}),z=d.render(q.templates.input,w).then(function(b,c){x+=c;return a(b)}),B=d.render(q.templates.suggestions,w).then(function(b,c){x+=c;return a(b)}),C=d.render(q.templates.selection,w).then(function(b,c){x+=c;return a(b)});return a.when(y,z,B,C).then(function(b,c,e,f){s.hide();var g=s.parent();a(c).find("input").attr("data-fieldtype","autocomplete");g.append(b);g.find("[data-region=\"form_autocomplete-input\"]").replaceWith(c);g.find("[data-region=\"form_autocomplete-suggestions\"]").replaceWith(e);g.find("[data-region=\"form_autocomplete-selection\"]").replaceWith(f);d.runTemplateJS(x);u.attr("for",t.inputId);A(q,t,s);var h=a(document.getElementById(t.suggestionsId));h.hide().attr("aria-hidden",!0)}).then(function(){return m(q,t,s)}).then(function(){return M.util.js_complete(r)}).catch(function(a){M.util.js_complete(r);f.exception(a)})}}});
-//# sourceMappingURL=form-autocomplete.min.js.map
+/**
+ * Autocomplete wrapper for select2 library.
+ *
+ * @module     core/form-autocomplete
+ * @class      autocomplete
+ * @package    core
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.0
+ */
+define("core/form-autocomplete",["jquery","core/log","core/str","core/templates","core/notification","core/loadingicon"],(function($,log,str,templates,notification,LoadingIcon){var KEYS_DOWN=40,KEYS_ENTER=13,KEYS_SPACE=32,KEYS_ESCAPE=27,KEYS_COMMA=44,KEYS_UP=38,KEYS_LEFT=37,KEYS_RIGHT=39,uniqueId=Date.now(),activateSelection=function(index,state){var selectionElement=$(document.getElementById(state.selectionId)),length=selectionElement.children("[aria-selected=true]").length;for(index%=length;index<0;)index+=length;var element=$(selectionElement.children("[aria-selected=true]").get(index)),itemId=state.selectionId+"-"+index;return selectionElement.children().attr("data-active-selection",null).attr("id",""),element.attr("data-active-selection",!0).attr("id",itemId),selectionElement.attr("aria-activedescendant",itemId),selectionElement.attr("data-active-value",element.attr("data-value")),$.Deferred().resolve()},updateActiveSelectionFromState=function(state){var activeElement=function(state){var selectionRegion=$(document.getElementById(state.selectionId)),activeId=selectionRegion.attr("aria-activedescendant");if(activeId){var activeElement=$(document.getElementById(activeId));if(activeElement.length)return activeElement}var activeValue=selectionRegion.attr("data-active-value");return selectionRegion.find('[data-value="'+activeValue+'"]')}(state),activeValue=activeElement.attr("data-value"),selectionRegion=$(document.getElementById(state.selectionId));if(activeValue){var activeIndex=selectionRegion.find("[aria-selected=true]").index(activeElement);if(-1!==activeIndex)return void activateSelection(activeIndex,state)}activateSelection(0,state)},updateSelectionList=function(options,state,originalSelect){var pendingKey="form-autocomplete-updateSelectionList-"+state.inputId;M.util.js_pending(pendingKey);var items=[],newSelection=$(document.getElementById(state.selectionId));if(originalSelect.children("option").each((function(index,ele){var label;$(ele).prop("selected")&&(""!==(label=$(ele).data("html")?$(ele).data("html"):$(ele).html())&&items.push({label:label,value:$(ele).attr("value")}))})),!hasItemListChanged(state,items))return M.util.js_complete(pendingKey),Promise.resolve();state.items=items;var context=$.extend(options,state);return templates.render(options.templates.items,context).then((function(html,js){templates.replaceNodeContents(newSelection,html,js),updateActiveSelectionFromState(state)})).then((function(){return M.util.js_complete(pendingKey)})).catch(notification.exception)},hasItemListChanged=function(state,items){return state.items.length!==items.length||state.items.filter((function(item){return-1===items.indexOf(item)})).length>0},notifyChange=function(originalSelect){var event;void 0!==M.core_formchangechecker&&M.core_formchangechecker.set_form_changed(),"function"==typeof Event?event=new Event("change"):(event=document.createEvent("Event")).initEvent("change",!0,!0),originalSelect[0].dispatchEvent(event)},deselectItem=function(options,state,item,originalSelect){var selectedItemValue=$(item).attr("data-value");return originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==selectedItemValue&&($(ele).prop("selected",!1),$(ele).attr("data-iscustom")&&$(ele).remove())})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)}))},activateItem=function(index,state){var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId)),length=suggestionsElement.children("[aria-hidden=false]").length;for(index%=length;index<0;)index+=length;var element=$(suggestionsElement.children("[aria-hidden=false]").get(index)),globalIndex=$(suggestionsElement.children("[role=option]")).index(element),itemId=state.suggestionsId+"-"+globalIndex;suggestionsElement.children().attr("aria-selected",!1).attr("id",""),element.attr("aria-selected",!0).attr("id",itemId),inputElement.attr("aria-activedescendant",itemId);var scrollPos=element.offset().top-suggestionsElement.offset().top+suggestionsElement.scrollTop()-suggestionsElement.height()/2;return suggestionsElement.animate({scrollTop:scrollPos},100).promise()},closeSuggestions=function(state){var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId));return"true"===inputElement.attr("aria-expanded")&&inputElement.attr("aria-expanded",!1),inputElement.attr("aria-activedescendant",state.selectionId),suggestionsElement.hide().attr("aria-hidden",!0),$.Deferred().resolve()},updateSuggestions=function(options,state,query,originalSelect){var pendingKey="form-autocomplete-updateSuggestions-"+state.inputId;M.util.js_pending(pendingKey);var inputElement=$(document.getElementById(state.inputId)),suggestionsElement=$(document.getElementById(state.suggestionsId)),matchingElements=!1,suggestions=[];originalSelect.children("option").each((function(index,option){!0!==$(option).prop("selected")&&(suggestions[suggestions.length]={label:option.innerHTML,value:$(option).attr("value")})}));var searchquery=state.caseSensitive?query:query.toLocaleLowerCase(),context=$.extend({options:suggestions},options,state);return templates.render("core/form_autocomplete_suggestions",context).then((function(html,js){return templates.replaceNode(suggestionsElement,html,js),(suggestionsElement=$(document.getElementById(state.suggestionsId))).show().attr("aria-hidden",!1),suggestionsElement.children().each((function(index,node){node=$(node),options.caseSensitive&&node.text().indexOf(searchquery)>-1||!options.caseSensitive&&node.text().toLocaleLowerCase().indexOf(searchquery)>-1?(node.show().attr("aria-hidden",!1),matchingElements=!0):node.hide().attr("aria-hidden",!0)})),inputElement.attr("aria-expanded",!0),originalSelect.attr("data-notice")?suggestionsElement.html(originalSelect.attr("data-notice")):matchingElements?options.tags||activateItem(0,state):str.get_string("nosuggestions","form").done((function(nosuggestionsstr){suggestionsElement.html(nosuggestionsstr)})),suggestionsElement})).then((function(){return M.util.js_complete(pendingKey)})).catch(notification.exception)},createItem=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId)),tags=inputElement.val().split(","),found=!1;return $.each(tags,(function(tagindex,tag){if(""!==(tag=tag.trim())&&(options.multiple||originalSelect.children("option").prop("selected",!1),originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==tag&&(found=!0,$(ele).prop("selected",!0))})),!found)){var option=$("<option>");option.append(document.createTextNode(tag)),option.attr("value",tag),originalSelect.append(option),option.prop("selected",!0),option.attr("data-iscustom",!0)}})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)})).then((function(){inputElement.val("")})).then((function(){return closeSuggestions(state)}))},selectCurrentItem=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId)),selectedItemValue=$(document.getElementById(state.suggestionsId)).children("[aria-selected=true]").attr("data-value");return options.multiple||originalSelect.children("option").prop("selected",!1),originalSelect.children("option").each((function(index,ele){$(ele).attr("value")==selectedItemValue&&$(ele).prop("selected",!0)})),updateSelectionList(options,state,originalSelect).then((function(){notifyChange(originalSelect)})).then((function(){return options.closeSuggestionsOnSelect?(inputElement.val(""),closeSuggestions(state)):(inputElement.focus(),updateSuggestions(options,state,inputElement.val(),originalSelect))}))},updateAjax=function(e,options,state,originalSelect,ajaxHandler){var pendingPromise=addPendingJSPromise("updateAjax"),parentElement=$(document.getElementById(state.selectId)).parent();LoadingIcon.addIconToContainerRemoveOnCompletion(parentElement,pendingPromise);var query=$(e.currentTarget).val();return ajaxHandler.transport(options.selector,query,(function(results){var processedResults=ajaxHandler.processResults(options.selector,results),existingValues=[];if(options.multiple||originalSelect.children("option").remove(),originalSelect.children("option").each((function(optionIndex,option){(option=$(option)).prop("selected")?existingValues.push(String(option.attr("value"))):option.remove()})),!options.multiple&&0===originalSelect.children("option").length){var option=$("<option>");originalSelect.append(option)}$.isArray(processedResults)?($.each(processedResults,(function(resultIndex,result){if(-1===existingValues.indexOf(String(result.value))){var option=$("<option>");option.append(result.label),option.attr("value",result.value),originalSelect.append(option)}})),originalSelect.attr("data-notice","")):originalSelect.attr("data-notice",processedResults),pendingPromise.resolve(updateSuggestions(options,state,"",originalSelect))}),(function(error){pendingPromise.reject(error)})),pendingPromise},addNavigation=function(options,state,originalSelect){var inputElement=$(document.getElementById(state.inputId));(inputElement.on("keydown",(function(e){var pendingJsPromise=addPendingJSPromise("addNavigation-"+state.inputId+"-"+e.keyCode);switch(e.keyCode){case KEYS_DOWN:return options.showSuggestions?("true"===inputElement.attr("aria-expanded")?pendingJsPromise.resolve(function(state){var suggestionsElement=$(document.getElementById(state.suggestionsId)),element=suggestionsElement.children("[aria-selected=true]"),current=suggestionsElement.children("[aria-hidden=false]").index(element);return activateItem(current+1,state)}(state)):!inputElement.val()&&options.ajax?require([options.ajax],(function(ajaxHandler){pendingJsPromise.resolve(updateAjax(e,options,state,originalSelect,ajaxHandler))})):pendingJsPromise.resolve(updateSuggestions(options,state,inputElement.val(),originalSelect)),e.preventDefault(),!1):(pendingJsPromise.resolve(),!0);case KEYS_UP:return pendingJsPromise.resolve(function(state){var suggestionsElement=$(document.getElementById(state.suggestionsId)),element=suggestionsElement.children("[aria-selected=true]"),current=suggestionsElement.children("[aria-hidden=false]").index(element);return activateItem(current-1,state)}(state)),e.preventDefault(),!1;case KEYS_ENTER:var suggestionsElement=$(document.getElementById(state.suggestionsId));return"true"===inputElement.attr("aria-expanded")&&suggestionsElement.children("[aria-selected=true]").length>0?pendingJsPromise.resolve(selectCurrentItem(options,state,originalSelect)):options.tags?pendingJsPromise.resolve(createItem(options,state,originalSelect)):pendingJsPromise.resolve(),e.preventDefault(),!1;case KEYS_ESCAPE:return"true"===inputElement.attr("aria-expanded")?pendingJsPromise.resolve(closeSuggestions(state)):pendingJsPromise.resolve(),e.preventDefault(),!1}return pendingJsPromise.resolve(),!0})),inputElement.on("keypress",(function(e){return e.keyCode!==KEYS_COMMA||(options.tags&&addPendingJSPromise("keypress-"+e.keyCode).resolve(createItem(options,state,originalSelect)),e.preventDefault(),!1)})),inputElement.closest("form").on("submit",(function(){return options.tags&&addPendingJSPromise("form-autocomplete-submit").resolve(createItem(options,state,originalSelect)),!0})),inputElement.on("blur",(function(){var pendingPromise=addPendingJSPromise("form-autocomplete-blur");window.setTimeout((function(){var focusElement=$(document.activeElement),timeoutPromise=$.Deferred();focusElement.is(document.getElementById(state.suggestionsId))?inputElement.focus():!focusElement.is(inputElement)&&$(document.getElementById(state.inputId)).length&&(options.tags&&timeoutPromise.then((function(){return createItem(options,state,originalSelect)})).catch(),timeoutPromise.then((function(){return closeSuggestions(state)})).catch()),timeoutPromise.then((function(){return pendingPromise.resolve()})).catch(),timeoutPromise.resolve()}),500)})),options.showSuggestions)&&$(document.getElementById(state.downArrowId)).on("click",(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-show-suggestions");inputElement.focus(),!inputElement.val()&&options.ajax?require([options.ajax],(function(ajaxHandler){pendingPromise.resolve(updateAjax(e,options,state,originalSelect,ajaxHandler))})):pendingPromise.resolve(updateSuggestions(options,state,inputElement.val(),originalSelect))}));var suggestionsElement=$(document.getElementById(state.suggestionsId));suggestionsElement.parent().prop("onclick",null).off("click"),suggestionsElement.parent().on("click","#".concat(state.suggestionsId," [role=option]"),(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-parent"),element=$(e.currentTarget).closest("[role=option]"),current=$(document.getElementById(state.suggestionsId)).children("[aria-hidden=false]").index(element);activateItem(current,state).then((function(){return selectCurrentItem(options,state,originalSelect)})).then((function(){return pendingPromise.resolve()})).catch()}));var selectionElement=$(document.getElementById(state.selectionId));selectionElement.on("click","[role=option]",(function(e){addPendingJSPromise("form-autocomplete-clicks").resolve(deselectItem(options,state,$(e.currentTarget),originalSelect))})),selectionElement.on("focus",(function(){updateActiveSelectionFromState(state)})),selectionElement.on("keydown",(function(e){var pendingPromise=addPendingJSPromise("form-autocomplete-keydown-"+e.keyCode);switch(e.keyCode){case KEYS_RIGHT:case KEYS_DOWN:return e.preventDefault(),void pendingPromise.resolve(function(state){var selectionsElement=$(document.getElementById(state.selectionId)),element=selectionsElement.children("[data-active-selection]"),current=0;return element?(current=selectionsElement.children("[aria-selected=true]").index(element),current+=1):current=0,activateSelection(current,state)}(state));case KEYS_LEFT:case KEYS_UP:return e.preventDefault(),void pendingPromise.resolve(function(state){var selectionsElement=$(document.getElementById(state.selectionId)),element=selectionsElement.children("[data-active-selection]");if(!element)return activateSelection(0,state);var current=selectionsElement.children("[aria-selected=true]").index(element);return activateSelection(current-1,state)}(state));case KEYS_SPACE:case KEYS_ENTER:var selectedItem=$(document.getElementById(state.selectionId)).children("[data-active-selection]");return void(selectedItem&&(e.preventDefault(),pendingPromise.resolve(deselectItem(options,state,selectedItem,originalSelect))))}pendingPromise.resolve()})),options.showSuggestions&&(inputElement.on("focus",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value",query)})),options.ajax?require([options.ajax],(function(ajaxHandler){var throttleTimeout=null,inProgress=!1,pendingKey="autocomplete-throttledhandler",handler=function(e){throttleTimeout=null,inProgress=!0,updateAjax(e,options,state,originalSelect,ajaxHandler).then((function(){return null===throttleTimeout&&M.util.js_complete(pendingKey),inProgress=!1,arguments[0]})).catch(notification.exception)},throttledHandler=function throttledHandler(e){window.clearTimeout(throttleTimeout),inProgress?throttleTimeout=window.setTimeout(throttledHandler.bind(this,e),100):(null===throttleTimeout&&M.util.js_pending(pendingKey),throttleTimeout=window.setTimeout(handler.bind(this,e),300))};inputElement.on("input",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value")!==query&&throttledHandler(e),$(e.currentTarget).data("last-value",query)}))})):inputElement.on("input",(function(e){var query=$(e.currentTarget).val();$(e.currentTarget).data("last-value")!==query&&updateSuggestions(options,state,query,originalSelect),$(e.currentTarget).data("last-value",query)})))},addPendingJSPromise=function(key){var pendingKey="form-autocomplete:"+key;M.util.js_pending(pendingKey);var pendingPromise=$.Deferred();return pendingPromise.then((function(){return M.util.js_complete(pendingKey),arguments[0]})).catch(notification.exception),pendingPromise};return{enhance:function(selector,tags,ajax,placeholder,caseSensitive,showSuggestions,noSelectionString,closeSuggestionsOnSelect,templateOverrides){var options={selector:selector,tags:!1,ajax:!1,placeholder:placeholder,caseSensitive:!1,showSuggestions:!0,noSelectionString:noSelectionString,templates:$.extend({input:"core/form_autocomplete_input",items:"core/form_autocomplete_selection_items",layout:"core/form_autocomplete_layout",selection:"core/form_autocomplete_selection",suggestions:"core/form_autocomplete_suggestions"},templateOverrides)},pendingKey="autocomplete-setup-"+selector;M.util.js_pending(pendingKey),void 0!==tags&&(options.tags=tags),void 0!==ajax&&(options.ajax=ajax),void 0!==caseSensitive&&(options.caseSensitive=caseSensitive),void 0!==showSuggestions&&(options.showSuggestions=showSuggestions),void 0===noSelectionString&&str.get_string("noselection","form").done((function(result){options.noSelectionString=result})).fail(notification.exception);var originalSelect=$(selector);if(!originalSelect)return log.debug("Selector not found: "+selector),M.util.js_complete(pendingKey),!1;originalSelect.css("visibility","hidden").attr("aria-hidden",!0);var state={selectId:originalSelect.attr("id"),inputId:"form_autocomplete_input-"+uniqueId,suggestionsId:"form_autocomplete_suggestions-"+uniqueId,selectionId:"form_autocomplete_selection-"+uniqueId,downArrowId:"form_autocomplete_downarrow-"+uniqueId,items:[]};uniqueId++,options.multiple=originalSelect.attr("multiple"),options.multiple||originalSelect.prepend("<option>"),options.closeSuggestionsOnSelect=void 0!==closeSuggestionsOnSelect?closeSuggestionsOnSelect:!options.multiple;var originalLabel=$("[for="+state.selectId+"]"),suggestions=[];originalSelect.children("option").each((function(index,option){suggestions[index]={label:option.innerHTML,value:$(option).attr("value")}}));var context=$.extend({},options,state);context.options=suggestions,context.items=[];var collectedjs="",renderLayout=templates.render(options.templates.layout,{}).then((function(html){return $(html)})),renderInput=templates.render(options.templates.input,context).then((function(html,js){return collectedjs+=js,$(html)})),renderDatalist=templates.render(options.templates.suggestions,context).then((function(html,js){return collectedjs+=js,$(html)})),renderSelection=templates.render(options.templates.selection,context).then((function(html,js){return collectedjs+=js,$(html)}));return $.when(renderLayout,renderInput,renderDatalist,renderSelection).then((function(layout,input,suggestions,selection){originalSelect.hide();var container=originalSelect.parent();$(input).find("input").attr("data-fieldtype","autocomplete"),container.append(layout),container.find('[data-region="form_autocomplete-input"]').replaceWith(input),container.find('[data-region="form_autocomplete-suggestions"]').replaceWith(suggestions),container.find('[data-region="form_autocomplete-selection"]').replaceWith(selection),templates.runTemplateJS(collectedjs),originalLabel.attr("for",state.inputId),addNavigation(options,state,originalSelect),$(document.getElementById(state.suggestionsId)).hide().attr("aria-hidden",!0)})).then((function(){return updateSelectionList(options,state,originalSelect)})).then((function(){return M.util.js_complete(pendingKey)})).catch((function(error){M.util.js_complete(pendingKey),notification.exception(error)}))}}}));
+
+//# sourceMappingURL=form-autocomplete.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/form-autocomplete.min.js.map b/lib/amd/build/form-autocomplete.min.js.map
index 30617a3d8a0..8910ae6e14c 100644
--- a/lib/amd/build/form-autocomplete.min.js.map
+++ b/lib/amd/build/form-autocomplete.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Autocomplete wrapper for select2 library.\n *\n * @module     core/form-autocomplete\n * @class      autocomplete\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.0\n */\n/* globals require: false */\ndefine(\n    ['jquery', 'core/log', 'core/str', 'core/templates', 'core/notification', 'core/loadingicon'],\nfunction($, log, str, templates, notification, LoadingIcon) {\n\n    // Private functions and variables.\n    /** @var {Object} KEYS - List of keycode constants. */\n    var KEYS = {\n        DOWN: 40,\n        ENTER: 13,\n        SPACE: 32,\n        ESCAPE: 27,\n        COMMA: 44,\n        UP: 38,\n        LEFT: 37,\n        RIGHT: 39\n    };\n\n    var uniqueId = Date.now();\n\n    /**\n     * Make an item in the selection list \"active\".\n     *\n     * @method activateSelection\n     * @private\n     * @param {Number} index The index in the current (visible) list of selection.\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var activateSelection = function(index, state) {\n        // Find the elements in the DOM.\n        var selectionElement = $(document.getElementById(state.selectionId));\n\n        // Count the visible items.\n        var length = selectionElement.children('[aria-selected=true]').length;\n        // Limit the index to the upper/lower bounds of the list (wrap in both directions).\n        index = index % length;\n        while (index < 0) {\n            index += length;\n        }\n        // Find the specified element.\n        var element = $(selectionElement.children('[aria-selected=true]').get(index));\n        // Create an id we can assign to this element.\n        var itemId = state.selectionId + '-' + index;\n\n        // Deselect all the selections.\n        selectionElement.children().attr('data-active-selection', null).attr('id', '');\n\n        // Select only this suggestion and assign it the id.\n        element.attr('data-active-selection', true).attr('id', itemId);\n\n        // Tell the input field it has a new active descendant so the item is announced.\n        selectionElement.attr('aria-activedescendant', itemId);\n        selectionElement.attr('data-active-value', element.attr('data-value'));\n\n        return $.Deferred().resolve();\n    };\n\n    /**\n     * Get the actively selected element from the state object.\n     *\n     * @param   {Object} state\n     * @returns {jQuery}\n     */\n    var getActiveElementFromState = function(state) {\n        var selectionRegion = $(document.getElementById(state.selectionId));\n        var activeId = selectionRegion.attr('aria-activedescendant');\n\n        if (activeId) {\n            var activeElement = $(document.getElementById(activeId));\n            if (activeElement.length) {\n                // The active descendent still exists.\n                return activeElement;\n            }\n        }\n\n        var activeValue = selectionRegion.attr('data-active-value');\n        return selectionRegion.find('[data-value=\"' + activeValue + '\"]');\n    };\n\n    /**\n     * Update the active selection from the given state object.\n     *\n     * @param   {Object} state\n     */\n    var updateActiveSelectionFromState = function(state) {\n        var activeElement = getActiveElementFromState(state);\n        var activeValue = activeElement.attr('data-value');\n\n        var selectionRegion = $(document.getElementById(state.selectionId));\n        if (activeValue) {\n            // Find the index of the currently selected index.\n            var activeIndex = selectionRegion.find('[aria-selected=true]').index(activeElement);\n\n            if (activeIndex !== -1) {\n                activateSelection(activeIndex, state);\n                return;\n            }\n        }\n\n        // Either the active index was not set, or it could not be found.\n        // Select the first value instead.\n        activateSelection(0, state);\n    };\n\n    /**\n     * Update the element that shows the currently selected items.\n     *\n     * @method updateSelectionList\n     * @private\n     * @param {Object} options Original options for this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var updateSelectionList = function(options, state, originalSelect) {\n        var pendingKey = 'form-autocomplete-updateSelectionList-' + state.inputId;\n        M.util.js_pending(pendingKey);\n\n        // Build up a valid context to re-render the template.\n        var items = [];\n        var newSelection = $(document.getElementById(state.selectionId));\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).prop('selected')) {\n                var label;\n                if ($(ele).data('html')) {\n                    label = $(ele).data('html');\n                } else {\n                    label = $(ele).html();\n                }\n                if (label !== '') {\n                    items.push({label: label, value: $(ele).attr('value')});\n                }\n            }\n        });\n\n        if (!hasItemListChanged(state, items)) {\n            M.util.js_complete(pendingKey);\n            return Promise.resolve();\n        }\n\n        state.items = items;\n\n        var context = $.extend(options, state);\n        // Render the template.\n        return templates.render(options.templates.items, context)\n        .then(function(html, js) {\n            // Add it to the page.\n            templates.replaceNodeContents(newSelection, html, js);\n\n            updateActiveSelectionFromState(state);\n\n            return;\n        })\n        .then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch(notification.exception);\n    };\n\n    /**\n     * Check whether the list of items stored in the state has changed.\n     *\n     * @param   {Object} state\n     * @param   {Array} items\n     */\n    var hasItemListChanged = function(state, items) {\n        if (state.items.length !== items.length) {\n            return true;\n        }\n\n        // Check for any items in the state items which are not present in the new items list.\n        return state.items.filter(item => items.indexOf(item) === -1).length > 0;\n    };\n\n    /**\n     * Notify of a change in the selection.\n     *\n     * @param {jQuery} originalSelect The jQuery object matching the hidden select list.\n     */\n    var notifyChange = function(originalSelect) {\n        if (typeof M.core_formchangechecker !== 'undefined') {\n            M.core_formchangechecker.set_form_changed();\n        }\n\n        // Note, jQuery .change() was not working here.\n        var event;\n        if (typeof Event === 'function') {\n            event = new Event('change');\n        } else {\n            // Support IE.\n            event = document.createEvent('Event');\n            event.initEvent('change', true, true);\n        }\n        originalSelect[0].dispatchEvent(event);\n    };\n\n    /**\n     * Remove the given item from the list of selected things.\n     *\n     * @method deselectItem\n     * @private\n     * @param {Object} options Original options for this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {Element} item The item to be deselected.\n     * @param {Element} originalSelect The original select list.\n     * @return {Promise}\n     */\n    var deselectItem = function(options, state, item, originalSelect) {\n        var selectedItemValue = $(item).attr('data-value');\n\n        // Look for a match, and toggle the selected property if there is a match.\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).attr('value') == selectedItemValue) {\n                $(ele).prop('selected', false);\n                // We remove newly created custom tags from the suggestions list when they are deselected.\n                if ($(ele).attr('data-iscustom')) {\n                    $(ele).remove();\n                }\n            }\n        });\n        // Rerender the selection list.\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        });\n    };\n\n    /**\n     * Make an item in the suggestions \"active\" (about to be selected).\n     *\n     * @method activateItem\n     * @private\n     * @param {Number} index The index in the current (visible) list of suggestions.\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activateItem = function(index, state) {\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Count the visible items.\n        var length = suggestionsElement.children('[aria-hidden=false]').length;\n        // Limit the index to the upper/lower bounds of the list (wrap in both directions).\n        index = index % length;\n        while (index < 0) {\n            index += length;\n        }\n        // Find the specified element.\n        var element = $(suggestionsElement.children('[aria-hidden=false]').get(index));\n        // Find the index of this item in the full list of suggestions (including hidden).\n        var globalIndex = $(suggestionsElement.children('[role=option]')).index(element);\n        // Create an id we can assign to this element.\n        var itemId = state.suggestionsId + '-' + globalIndex;\n\n        // Deselect all the suggestions.\n        suggestionsElement.children().attr('aria-selected', false).attr('id', '');\n        // Select only this suggestion and assign it the id.\n        element.attr('aria-selected', true).attr('id', itemId);\n        // Tell the input field it has a new active descendant so the item is announced.\n        inputElement.attr('aria-activedescendant', itemId);\n\n        // Scroll it into view.\n        var scrollPos = element.offset().top\n                       - suggestionsElement.offset().top\n                       + suggestionsElement.scrollTop()\n                       - (suggestionsElement.height() / 2);\n        return suggestionsElement.animate({\n            scrollTop: scrollPos\n        }, 100).promise();\n    };\n\n    /**\n     * Find the index of the current active suggestion, and activate the next one.\n     *\n     * @method activateNextItem\n     * @private\n     * @param {Object} state State variable for this auto complete element.\n     * @return {Promise}\n     */\n    var activateNextItem = function(state) {\n        // Find the list of suggestions.\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Find the active one.\n        var element = suggestionsElement.children('[aria-selected=true]');\n        // Find it's index.\n        var current = suggestionsElement.children('[aria-hidden=false]').index(element);\n        // Activate the next one.\n        return activateItem(current + 1, state);\n    };\n\n    /**\n     * Find the index of the current active selection, and activate the previous one.\n     *\n     * @method activatePreviousSelection\n     * @private\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activatePreviousSelection = function(state) {\n        // Find the list of selections.\n        var selectionsElement = $(document.getElementById(state.selectionId));\n        // Find the active one.\n        var element = selectionsElement.children('[data-active-selection]');\n        if (!element) {\n            return activateSelection(0, state);\n        }\n        // Find it's index.\n        var current = selectionsElement.children('[aria-selected=true]').index(element);\n        // Activate the next one.\n        return activateSelection(current - 1, state);\n    };\n\n    /**\n     * Find the index of the current active selection, and activate the next one.\n     *\n     * @method activateNextSelection\n     * @private\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activateNextSelection = function(state) {\n        // Find the list of selections.\n        var selectionsElement = $(document.getElementById(state.selectionId));\n\n        // Find the active one.\n        var element = selectionsElement.children('[data-active-selection]');\n        var current = 0;\n\n        if (element) {\n            // The element was found. Determine the index and move to the next one.\n            current = selectionsElement.children('[aria-selected=true]').index(element);\n            current = current + 1;\n        } else {\n            // No selected item found. Move to the first.\n            current = 0;\n        }\n\n        return activateSelection(current, state);\n    };\n\n    /**\n     * Find the index of the current active suggestion, and activate the previous one.\n     *\n     * @method activatePreviousItem\n     * @private\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var activatePreviousItem = function(state) {\n        // Find the list of suggestions.\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Find the active one.\n        var element = suggestionsElement.children('[aria-selected=true]');\n\n        // Find it's index.\n        var current = suggestionsElement.children('[aria-hidden=false]').index(element);\n\n        // Activate the previous one.\n        return activateItem(current - 1, state);\n    };\n\n    /**\n     * Close the list of suggestions.\n     *\n     * @method closeSuggestions\n     * @private\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var closeSuggestions = function(state) {\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        if (inputElement.attr('aria-expanded') === \"true\") {\n            // Announce the list of suggestions was closed.\n            inputElement.attr('aria-expanded', false);\n        }\n        // Read the current list of selections.\n        inputElement.attr('aria-activedescendant', state.selectionId);\n\n        // Hide the suggestions list (from screen readers too).\n        suggestionsElement.hide().attr('aria-hidden', true);\n\n        return $.Deferred().resolve();\n    };\n\n    /**\n     * Rebuild the list of suggestions based on the current values in the select list, and the query.\n     *\n     * @method updateSuggestions\n     * @private\n     * @param {Object} options The original options for this autocomplete.\n     * @param {Object} state The state variables for this autocomplete.\n     * @param {String} query The current text for the search string.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var updateSuggestions = function(options, state, query, originalSelect) {\n        var pendingKey = 'form-autocomplete-updateSuggestions-' + state.inputId;\n        M.util.js_pending(pendingKey);\n\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Used to track if we found any visible suggestions.\n        var matchingElements = false;\n        // Options is used by the context when rendering the suggestions from a template.\n        var suggestions = [];\n        originalSelect.children('option').each(function(index, option) {\n            if ($(option).prop('selected') !== true) {\n                suggestions[suggestions.length] = {label: option.innerHTML, value: $(option).attr('value')};\n            }\n        });\n\n        // Re-render the list of suggestions.\n        var searchquery = state.caseSensitive ? query : query.toLocaleLowerCase();\n        var context = $.extend({options: suggestions}, options, state);\n        var returnVal = templates.render(\n            'core/form_autocomplete_suggestions',\n            context\n        )\n        .then(function(html, js) {\n            // We have the new template, insert it in the page.\n            templates.replaceNode(suggestionsElement, html, js);\n\n            // Get the element again.\n            suggestionsElement = $(document.getElementById(state.suggestionsId));\n            // Show it if it is hidden.\n            suggestionsElement.show().attr('aria-hidden', false);\n            // For each option in the list, hide it if it doesn't match the query.\n            suggestionsElement.children().each(function(index, node) {\n                node = $(node);\n                if ((options.caseSensitive && node.text().indexOf(searchquery) > -1) ||\n                        (!options.caseSensitive && node.text().toLocaleLowerCase().indexOf(searchquery) > -1)) {\n                    node.show().attr('aria-hidden', false);\n                    matchingElements = true;\n                } else {\n                    node.hide().attr('aria-hidden', true);\n                }\n            });\n            // If we found any matches, show the list.\n            inputElement.attr('aria-expanded', true);\n            if (originalSelect.attr('data-notice')) {\n                // Display a notice rather than actual suggestions.\n                suggestionsElement.html(originalSelect.attr('data-notice'));\n            } else if (matchingElements) {\n                // We only activate the first item in the list if tags is false,\n                // because otherwise \"Enter\" would select the first item, instead of\n                // creating a new tag.\n                if (!options.tags) {\n                    activateItem(0, state);\n                }\n            } else {\n                // Nothing matches. Tell them that.\n                str.get_string('nosuggestions', 'form').done(function(nosuggestionsstr) {\n                    suggestionsElement.html(nosuggestionsstr);\n                });\n            }\n\n            return suggestionsElement;\n        })\n        .then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch(notification.exception);\n\n        return returnVal;\n    };\n\n    /**\n     * Create a new item for the list (a tag).\n     *\n     * @method createItem\n     * @private\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state State variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var createItem = function(options, state, originalSelect) {\n        // Find the element in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        // Get the current text in the input field.\n        var query = inputElement.val();\n        var tags = query.split(',');\n        var found = false;\n\n        $.each(tags, function(tagindex, tag) {\n            // If we can only select one at a time, deselect any current value.\n            tag = tag.trim();\n            if (tag !== '') {\n                if (!options.multiple) {\n                    originalSelect.children('option').prop('selected', false);\n                }\n                // Look for an existing option in the select list that matches this new tag.\n                originalSelect.children('option').each(function(index, ele) {\n                    if ($(ele).attr('value') == tag) {\n                        found = true;\n                        $(ele).prop('selected', true);\n                    }\n                });\n                // Only create the item if it's new.\n                if (!found) {\n                    var option = $('<option>');\n                    option.append(document.createTextNode(tag));\n                    option.attr('value', tag);\n                    originalSelect.append(option);\n                    option.prop('selected', true);\n                    // We mark newly created custom options as we handle them differently if they are \"deselected\".\n                    option.attr('data-iscustom', true);\n                }\n            }\n        });\n\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        })\n        .then(function() {\n            // Clear the input field.\n            inputElement.val('');\n\n            return;\n        })\n        .then(function() {\n            // Close the suggestions list.\n            return closeSuggestions(state);\n        });\n    };\n\n    /**\n     * Select the currently active item from the suggestions list.\n     *\n     * @method selectCurrentItem\n     * @private\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state State variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var selectCurrentItem = function(options, state, originalSelect) {\n        // Find the elements in the page.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Here loop through suggestions and set val to join of all selected items.\n\n        var selectedItemValue = suggestionsElement.children('[aria-selected=true]').attr('data-value');\n        // The select will either be a single or multi select, so the following will either\n        // select one or more items correctly.\n        // Take care to use 'prop' and not 'attr' for selected properties.\n        // If only one can be selected at a time, start by deselecting everything.\n        if (!options.multiple) {\n            originalSelect.children('option').prop('selected', false);\n        }\n        // Look for a match, and toggle the selected property if there is a match.\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).attr('value') == selectedItemValue) {\n                $(ele).prop('selected', true);\n            }\n        });\n\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        })\n        .then(function() {\n            if (options.closeSuggestionsOnSelect) {\n                // Clear the input element.\n                inputElement.val('');\n                // Close the list of suggestions.\n                return closeSuggestions(state);\n            } else {\n                // Focus on the input element so the suggestions does not auto-close.\n                inputElement.focus();\n                // Remove the last selected item from the suggestions list.\n                return updateSuggestions(options, state, inputElement.val(), originalSelect);\n            }\n        });\n    };\n\n    /**\n     * Fetch a new list of options via ajax.\n     *\n     * @method updateAjax\n     * @private\n     * @param {Event} e The event that triggered this update.\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state The state variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @param {Object} ajaxHandler This is a module that does the ajax fetch and translates the results.\n     * @return {Promise}\n     */\n    var updateAjax = function(e, options, state, originalSelect, ajaxHandler) {\n        var pendingPromise = addPendingJSPromise('updateAjax');\n        // We need to show the indicator outside of the hidden select list.\n        // So we get the parent id of the hidden select list.\n        var parentElement = $(document.getElementById(state.selectId)).parent();\n        LoadingIcon.addIconToContainerRemoveOnCompletion(parentElement, pendingPromise);\n\n        // Get the query to pass to the ajax function.\n        var query = $(e.currentTarget).val();\n        // Call the transport function to do the ajax (name taken from Select2).\n        ajaxHandler.transport(options.selector, query, function(results) {\n            // We got a result - pass it through the translator before using it.\n            var processedResults = ajaxHandler.processResults(options.selector, results);\n            var existingValues = [];\n\n            // Now destroy all options that are not currently selected.\n            if (!options.multiple) {\n                originalSelect.children('option').remove();\n            }\n            originalSelect.children('option').each(function(optionIndex, option) {\n                option = $(option);\n                if (!option.prop('selected')) {\n                    option.remove();\n                } else {\n                    existingValues.push(String(option.attr('value')));\n                }\n            });\n\n            if (!options.multiple && originalSelect.children('option').length === 0) {\n                // If this is a single select - and there are no current options\n                // the first option added will be selected by the browser. This causes a bug!\n                // We need to insert an empty option so that none of the real options are selected.\n                var option = $('<option>');\n                originalSelect.append(option);\n            }\n            if ($.isArray(processedResults)) {\n                // Add all the new ones returned from ajax.\n                $.each(processedResults, function(resultIndex, result) {\n                    if (existingValues.indexOf(String(result.value)) === -1) {\n                        var option = $('<option>');\n                        option.append(result.label);\n                        option.attr('value', result.value);\n                        originalSelect.append(option);\n                    }\n                });\n                originalSelect.attr('data-notice', '');\n            } else {\n                // The AJAX handler returned a string instead of the array.\n                originalSelect.attr('data-notice', processedResults);\n            }\n            // Update the list of suggestions now from the new values in the select list.\n            pendingPromise.resolve(updateSuggestions(options, state, '', originalSelect));\n        }, function(error) {\n            pendingPromise.reject(error);\n        });\n\n        return pendingPromise;\n    };\n\n    /**\n     * Add all the event listeners required for keyboard nav, blur clicks etc.\n     *\n     * @method addNavigation\n     * @private\n     * @param {Object} options The options used to create this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     */\n    var addNavigation = function(options, state, originalSelect) {\n        // Start with the input element.\n        var inputElement = $(document.getElementById(state.inputId));\n        // Add keyboard nav with keydown.\n        inputElement.on('keydown', function(e) {\n            var pendingJsPromise = addPendingJSPromise('addNavigation-' + state.inputId + '-' + e.keyCode);\n\n            switch (e.keyCode) {\n                case KEYS.DOWN:\n                    // If the suggestion list is open, move to the next item.\n                    if (!options.showSuggestions) {\n                        // Do not consume this event.\n                        pendingJsPromise.resolve();\n                        return true;\n                    } else if (inputElement.attr('aria-expanded') === \"true\") {\n                        pendingJsPromise.resolve(activateNextItem(state));\n                    } else {\n                        // Handle ajax population of suggestions.\n                        if (!inputElement.val() && options.ajax) {\n                            require([options.ajax], function(ajaxHandler) {\n                                pendingJsPromise.resolve(updateAjax(e, options, state, originalSelect, ajaxHandler));\n                            });\n                        } else {\n                            // Open the suggestions list.\n                            pendingJsPromise.resolve(updateSuggestions(options, state, inputElement.val(), originalSelect));\n                        }\n                    }\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.UP:\n                    // Choose the previous active item.\n                    pendingJsPromise.resolve(activatePreviousItem(state));\n\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.ENTER:\n                    var suggestionsElement = $(document.getElementById(state.suggestionsId));\n                    if ((inputElement.attr('aria-expanded') === \"true\") &&\n                            (suggestionsElement.children('[aria-selected=true]').length > 0)) {\n                        // If the suggestion list has an active item, select it.\n                        pendingJsPromise.resolve(selectCurrentItem(options, state, originalSelect));\n                    } else if (options.tags) {\n                        // If tags are enabled, create a tag.\n                        pendingJsPromise.resolve(createItem(options, state, originalSelect));\n                    } else {\n                        pendingJsPromise.resolve();\n                    }\n\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.ESCAPE:\n                    if (inputElement.attr('aria-expanded') === \"true\") {\n                        // If the suggestion list is open, close it.\n                        pendingJsPromise.resolve(closeSuggestions(state));\n                    } else {\n                        pendingJsPromise.resolve();\n                    }\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n            }\n            pendingJsPromise.resolve();\n            return true;\n        });\n        // Support multi lingual COMMA keycode (44).\n        inputElement.on('keypress', function(e) {\n\n            if (e.keyCode === KEYS.COMMA) {\n                if (options.tags) {\n                    // If we are allowing tags, comma should create a tag (or enter).\n                    addPendingJSPromise('keypress-' + e.keyCode)\n                    .resolve(createItem(options, state, originalSelect));\n                }\n                // We handled this event, so prevent it.\n                e.preventDefault();\n                return false;\n            }\n            return true;\n        });\n        // Support submitting the form without leaving the autocomplete element,\n        // or submitting too quick before the blur handler action is completed.\n        inputElement.closest('form').on('submit', function() {\n            if (options.tags) {\n                // If tags are enabled, create a tag.\n                addPendingJSPromise('form-autocomplete-submit')\n                .resolve(createItem(options, state, originalSelect));\n            }\n\n            return true;\n        });\n        inputElement.on('blur', function() {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-blur');\n            window.setTimeout(function() {\n                // Get the current element with focus.\n                var focusElement = $(document.activeElement);\n                var timeoutPromise = $.Deferred();\n\n                // Only close the menu if the input hasn't regained focus and if the element still exists,\n                // and regain focus if the scrollbar is clicked.\n                // Due to the half a second delay, it is possible that the input element no longer exist\n                // by the time this code is being executed.\n                if (focusElement.is(document.getElementById(state.suggestionsId))) {\n                    inputElement.focus(); // Probably the scrollbar is clicked. Regain focus.\n                } else if (!focusElement.is(inputElement) && $(document.getElementById(state.inputId)).length) {\n                    if (options.tags) {\n                        timeoutPromise.then(function() {\n                            return createItem(options, state, originalSelect);\n                        })\n                        .catch();\n                    }\n                    timeoutPromise.then(function() {\n                        return closeSuggestions(state);\n                    })\n                    .catch();\n                }\n\n                timeoutPromise.then(function() {\n                    return pendingPromise.resolve();\n                })\n                .catch();\n                timeoutPromise.resolve();\n            }, 500);\n        });\n        if (options.showSuggestions) {\n            var arrowElement = $(document.getElementById(state.downArrowId));\n            arrowElement.on('click', function(e) {\n                var pendingPromise = addPendingJSPromise('form-autocomplete-show-suggestions');\n\n                // Prevent the close timer, or we will open, then close the suggestions.\n                inputElement.focus();\n\n                // Handle ajax population of suggestions.\n                if (!inputElement.val() && options.ajax) {\n                    require([options.ajax], function(ajaxHandler) {\n                        pendingPromise.resolve(updateAjax(e, options, state, originalSelect, ajaxHandler));\n                    });\n                } else {\n                    // Else - open the suggestions list.\n                    pendingPromise.resolve(updateSuggestions(options, state, inputElement.val(), originalSelect));\n                }\n            });\n        }\n\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Remove any click handler first.\n        suggestionsElement.parent().prop(\"onclick\", null).off(\"click\");\n        suggestionsElement.parent().on('click', `#${state.suggestionsId} [role=option]`, function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-parent');\n            // Handle clicks on suggestions.\n            var element = $(e.currentTarget).closest('[role=option]');\n            var suggestionsElement = $(document.getElementById(state.suggestionsId));\n            // Find the index of the clicked on suggestion.\n            var current = suggestionsElement.children('[aria-hidden=false]').index(element);\n\n            // Activate it.\n            activateItem(current, state)\n            .then(function() {\n                // And select it.\n                return selectCurrentItem(options, state, originalSelect);\n            })\n            .then(function() {\n                return pendingPromise.resolve();\n            })\n            .catch();\n        });\n        var selectionElement = $(document.getElementById(state.selectionId));\n\n        // Handle clicks on the selected items (will unselect an item).\n        selectionElement.on('click', '[role=option]', function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-clicks');\n\n            // Remove it from the selection.\n            pendingPromise.resolve(deselectItem(options, state, $(e.currentTarget), originalSelect));\n        });\n\n        // When listbox is focused, focus on the first option if there is no focused option.\n        selectionElement.on('focus', function() {\n            updateActiveSelectionFromState(state);\n        });\n\n        // Keyboard navigation for the selection list.\n        selectionElement.on('keydown', function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-keydown-' + e.keyCode);\n            switch (e.keyCode) {\n                case KEYS.RIGHT:\n                case KEYS.DOWN:\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n\n                    // Choose the next selection item.\n                    pendingPromise.resolve(activateNextSelection(state));\n                    return;\n                case KEYS.LEFT:\n                case KEYS.UP:\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n\n                    // Choose the previous selection item.\n                    pendingPromise.resolve(activatePreviousSelection(state));\n                    return;\n                case KEYS.SPACE:\n                case KEYS.ENTER:\n                    // Get the item that is currently selected.\n                    var selectedItem = $(document.getElementById(state.selectionId)).children('[data-active-selection]');\n                    if (selectedItem) {\n                        e.preventDefault();\n\n                        // Unselect this item.\n                        pendingPromise.resolve(deselectItem(options, state, selectedItem, originalSelect));\n                    }\n                    return;\n            }\n\n            // Not handled. Resolve the promise.\n            pendingPromise.resolve();\n        });\n        // Whenever the input field changes, update the suggestion list.\n        if (options.showSuggestions) {\n            // Store the value of the field as its last value, when the field gains focus.\n            inputElement.on('focus', function(e) {\n                var query = $(e.currentTarget).val();\n                $(e.currentTarget).data('last-value', query);\n            });\n\n            // If this field uses ajax, set it up.\n            if (options.ajax) {\n                require([options.ajax], function(ajaxHandler) {\n                    // Creating throttled handlers free of race conditions, and accurate.\n                    // This code keeps track of a throttleTimeout, which is periodically polled.\n                    // Once the throttled function is executed, the fact that it is running is noted.\n                    // If a subsequent request comes in whilst it is running, this request is re-applied.\n                    var throttleTimeout = null;\n                    var inProgress = false;\n                    var pendingKey = 'autocomplete-throttledhandler';\n                    var handler = function(e) {\n                        // Empty the current timeout.\n                        throttleTimeout = null;\n\n                        // Mark this request as in-progress.\n                        inProgress = true;\n\n                        // Process the request.\n                        updateAjax(e, options, state, originalSelect, ajaxHandler)\n                        .then(function() {\n                            // Check if the throttleTimeout is still empty.\n                            // There's a potential condition whereby the JS request takes long enough to complete that\n                            // another task has been queued.\n                            // In this case another task will be kicked off and we must wait for that before marking htis as\n                            // complete.\n                            if (null === throttleTimeout) {\n                                // Mark this task as complete.\n                                M.util.js_complete(pendingKey);\n                            }\n                            inProgress = false;\n\n                            return arguments[0];\n                        })\n                        .catch(notification.exception);\n                    };\n\n                    // For input events, we do not want to trigger many, many updates.\n                    var throttledHandler = function(e) {\n                        window.clearTimeout(throttleTimeout);\n                        if (inProgress) {\n                            // A request is currently ongoing.\n                            // Delay this request another 100ms.\n                            throttleTimeout = window.setTimeout(throttledHandler.bind(this, e), 100);\n                            return;\n                        }\n\n                        if (throttleTimeout === null) {\n                            // There is currently no existing timeout handler, and it has not been recently cleared, so\n                            // this is the start of a throttling check.\n                            M.util.js_pending(pendingKey);\n                        }\n\n                        // There is currently no existing timeout handler, and it has not been recently cleared, so this\n                        // is the start of a throttling check.\n                        // Queue a call to the handler.\n                        throttleTimeout = window.setTimeout(handler.bind(this, e), 300);\n                    };\n\n                    // Trigger an ajax update after the text field value changes.\n                    inputElement.on('input', function(e) {\n                        var query = $(e.currentTarget).val();\n                        var last = $(e.currentTarget).data('last-value');\n                        // IE11 fires many more input events than required - even when the value has not changed.\n                        if (last !== query) {\n                            throttledHandler(e);\n                        }\n                        $(e.currentTarget).data('last-value', query);\n                    });\n                });\n            } else {\n                inputElement.on('input', function(e) {\n                    var query = $(e.currentTarget).val();\n                    var last = $(e.currentTarget).data('last-value');\n                    // IE11 fires many more input events than required - even when the value has not changed.\n                    // We need to only do this for real value changed events or the suggestions will be\n                    // unclickable on IE11 (because they will be rebuilt before the click event fires).\n                    // Note - because of this we cannot close the list when the query is empty or it will break\n                    // on IE11.\n                    if (last !== query) {\n                        updateSuggestions(options, state, query, originalSelect);\n                    }\n                    $(e.currentTarget).data('last-value', query);\n                });\n            }\n        }\n    };\n\n    /**\n     * Create and return an unresolved Promise for some pending JS.\n     *\n     * @param   {String} key The unique identifier for this promise\n     * @return  {Promise}\n     */\n    var addPendingJSPromise = function(key) {\n            var pendingKey = 'form-autocomplete:' + key;\n\n            M.util.js_pending(pendingKey);\n\n            var pendingPromise = $.Deferred();\n\n            pendingPromise\n            .then(function() {\n                M.util.js_complete(pendingKey);\n\n                return arguments[0];\n            })\n            .catch(notification.exception);\n\n            return pendingPromise;\n    };\n\n    return /** @alias module:core/form-autocomplete */ {\n        // Public variables and functions.\n        /**\n         * Turn a boring select box into an auto-complete beast.\n         *\n         * @method enhance\n         * @param {string} selector The selector that identifies the select box.\n         * @param {boolean} tags Whether to allow support for tags (can define new entries).\n         * @param {string} ajax Name of an AMD module to handle ajax requests. If specified, the AMD\n         *                      module must expose 2 functions \"transport\" and \"processResults\".\n         *                      These are modeled on Select2 see: https://select2.github.io/options.html#ajax\n         * @param {String} placeholder - The text to display before a selection is made.\n         * @param {Boolean} caseSensitive - If search has to be made case sensitive.\n         * @param {Boolean} showSuggestions - If suggestions should be shown\n         * @param {String} noSelectionString - Text to display when there is no selection\n         * @param {Boolean} closeSuggestionsOnSelect - Whether to close the suggestions immediately after making a selection.\n         * @param {Object} templateOverrides A set of templates to use instead of the standard templates\n         * @return {Promise}\n         */\n        enhance: function(selector, tags, ajax, placeholder, caseSensitive, showSuggestions, noSelectionString,\n                          closeSuggestionsOnSelect, templateOverrides) {\n            // Set some default values.\n            var options = {\n                selector: selector,\n                tags: false,\n                ajax: false,\n                placeholder: placeholder,\n                caseSensitive: false,\n                showSuggestions: true,\n                noSelectionString: noSelectionString,\n                templates: $.extend({\n                        input: 'core/form_autocomplete_input',\n                        items: 'core/form_autocomplete_selection_items',\n                        layout: 'core/form_autocomplete_layout',\n                        selection: 'core/form_autocomplete_selection',\n                        suggestions: 'core/form_autocomplete_suggestions',\n                    }, templateOverrides),\n            };\n            var pendingKey = 'autocomplete-setup-' + selector;\n            M.util.js_pending(pendingKey);\n            if (typeof tags !== \"undefined\") {\n                options.tags = tags;\n            }\n            if (typeof ajax !== \"undefined\") {\n                options.ajax = ajax;\n            }\n            if (typeof caseSensitive !== \"undefined\") {\n                options.caseSensitive = caseSensitive;\n            }\n            if (typeof showSuggestions !== \"undefined\") {\n                options.showSuggestions = showSuggestions;\n            }\n            if (typeof noSelectionString === \"undefined\") {\n                str.get_string('noselection', 'form').done(function(result) {\n                    options.noSelectionString = result;\n                }).fail(notification.exception);\n            }\n\n            // Look for the select element.\n            var originalSelect = $(selector);\n            if (!originalSelect) {\n                log.debug('Selector not found: ' + selector);\n                M.util.js_complete(pendingKey);\n                return false;\n            }\n\n            originalSelect.css('visibility', 'hidden').attr('aria-hidden', true);\n\n            // Hide the original select.\n\n            // Find or generate some ids.\n            var state = {\n                selectId: originalSelect.attr('id'),\n                inputId: 'form_autocomplete_input-' + uniqueId,\n                suggestionsId: 'form_autocomplete_suggestions-' + uniqueId,\n                selectionId: 'form_autocomplete_selection-' + uniqueId,\n                downArrowId: 'form_autocomplete_downarrow-' + uniqueId,\n                items: [],\n            };\n\n            // Increment the unique counter so we don't get duplicates ever.\n            uniqueId++;\n\n            options.multiple = originalSelect.attr('multiple');\n            if (!options.multiple) {\n                // If this is a single select then there is no way to de-select the current value -\n                // unless we add a bogus blank option to be selected when nothing else is.\n                // This matches similar code in updateAjax above.\n                originalSelect.prepend('<option>');\n            }\n\n            if (typeof closeSuggestionsOnSelect !== \"undefined\") {\n                options.closeSuggestionsOnSelect = closeSuggestionsOnSelect;\n            } else {\n                // If not specified, this will close suggestions by default for single-select elements only.\n                options.closeSuggestionsOnSelect = !options.multiple;\n            }\n\n            var originalLabel = $('[for=' + state.selectId + ']');\n            // Create the new markup and insert it after the select.\n            var suggestions = [];\n            originalSelect.children('option').each(function(index, option) {\n                suggestions[index] = {label: option.innerHTML, value: $(option).attr('value')};\n            });\n\n            // Render all the parts of our UI.\n            var context = $.extend({}, options, state);\n            context.options = suggestions;\n            context.items = [];\n\n            // Collect rendered inline JS to be executed once the HTML is shown.\n            var collectedjs = '';\n\n            var renderLayout = templates.render(options.templates.layout, {})\n            .then(function(html) {\n                return $(html);\n            });\n\n            var renderInput = templates.render(options.templates.input, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            var renderDatalist = templates.render(options.templates.suggestions, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            var renderSelection = templates.render(options.templates.selection, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            return $.when(renderLayout, renderInput, renderDatalist, renderSelection)\n            .then(function(layout, input, suggestions, selection) {\n                originalSelect.hide();\n                var container = originalSelect.parent();\n\n                // Ensure that the data-fieldtype is set for behat.\n                $(input).find('input').attr('data-fieldtype', 'autocomplete');\n\n                container.append(layout);\n                container.find('[data-region=\"form_autocomplete-input\"]').replaceWith(input);\n                container.find('[data-region=\"form_autocomplete-suggestions\"]').replaceWith(suggestions);\n                container.find('[data-region=\"form_autocomplete-selection\"]').replaceWith(selection);\n\n                templates.runTemplateJS(collectedjs);\n\n                // Update the form label to point to the text input.\n                originalLabel.attr('for', state.inputId);\n                // Add the event handlers.\n                addNavigation(options, state, originalSelect);\n\n                var suggestionsElement = $(document.getElementById(state.suggestionsId));\n                // Hide the suggestions by default.\n                suggestionsElement.hide().attr('aria-hidden', true);\n\n                return;\n            })\n            .then(function() {\n                // Show the current values in the selection list.\n                return updateSelectionList(options, state, originalSelect);\n            })\n            .then(function() {\n                return M.util.js_complete(pendingKey);\n            })\n            .catch(function(error) {\n                M.util.js_complete(pendingKey);\n                notification.exception(error);\n            });\n        }\n    };\n});\n"],"file":"form-autocomplete.min.js"}
\ No newline at end of file
+{"version":3,"file":"form-autocomplete.min.js","sources":["../src/form-autocomplete.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Autocomplete wrapper for select2 library.\n *\n * @module     core/form-autocomplete\n * @class      autocomplete\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.0\n */\n/* globals require: false */\ndefine(\n    ['jquery', 'core/log', 'core/str', 'core/templates', 'core/notification', 'core/loadingicon'],\nfunction($, log, str, templates, notification, LoadingIcon) {\n\n    // Private functions and variables.\n    /** @var {Object} KEYS - List of keycode constants. */\n    var KEYS = {\n        DOWN: 40,\n        ENTER: 13,\n        SPACE: 32,\n        ESCAPE: 27,\n        COMMA: 44,\n        UP: 38,\n        LEFT: 37,\n        RIGHT: 39\n    };\n\n    var uniqueId = Date.now();\n\n    /**\n     * Make an item in the selection list \"active\".\n     *\n     * @method activateSelection\n     * @private\n     * @param {Number} index The index in the current (visible) list of selection.\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var activateSelection = function(index, state) {\n        // Find the elements in the DOM.\n        var selectionElement = $(document.getElementById(state.selectionId));\n\n        // Count the visible items.\n        var length = selectionElement.children('[aria-selected=true]').length;\n        // Limit the index to the upper/lower bounds of the list (wrap in both directions).\n        index = index % length;\n        while (index < 0) {\n            index += length;\n        }\n        // Find the specified element.\n        var element = $(selectionElement.children('[aria-selected=true]').get(index));\n        // Create an id we can assign to this element.\n        var itemId = state.selectionId + '-' + index;\n\n        // Deselect all the selections.\n        selectionElement.children().attr('data-active-selection', null).attr('id', '');\n\n        // Select only this suggestion and assign it the id.\n        element.attr('data-active-selection', true).attr('id', itemId);\n\n        // Tell the input field it has a new active descendant so the item is announced.\n        selectionElement.attr('aria-activedescendant', itemId);\n        selectionElement.attr('data-active-value', element.attr('data-value'));\n\n        return $.Deferred().resolve();\n    };\n\n    /**\n     * Get the actively selected element from the state object.\n     *\n     * @param   {Object} state\n     * @returns {jQuery}\n     */\n    var getActiveElementFromState = function(state) {\n        var selectionRegion = $(document.getElementById(state.selectionId));\n        var activeId = selectionRegion.attr('aria-activedescendant');\n\n        if (activeId) {\n            var activeElement = $(document.getElementById(activeId));\n            if (activeElement.length) {\n                // The active descendent still exists.\n                return activeElement;\n            }\n        }\n\n        var activeValue = selectionRegion.attr('data-active-value');\n        return selectionRegion.find('[data-value=\"' + activeValue + '\"]');\n    };\n\n    /**\n     * Update the active selection from the given state object.\n     *\n     * @param   {Object} state\n     */\n    var updateActiveSelectionFromState = function(state) {\n        var activeElement = getActiveElementFromState(state);\n        var activeValue = activeElement.attr('data-value');\n\n        var selectionRegion = $(document.getElementById(state.selectionId));\n        if (activeValue) {\n            // Find the index of the currently selected index.\n            var activeIndex = selectionRegion.find('[aria-selected=true]').index(activeElement);\n\n            if (activeIndex !== -1) {\n                activateSelection(activeIndex, state);\n                return;\n            }\n        }\n\n        // Either the active index was not set, or it could not be found.\n        // Select the first value instead.\n        activateSelection(0, state);\n    };\n\n    /**\n     * Update the element that shows the currently selected items.\n     *\n     * @method updateSelectionList\n     * @private\n     * @param {Object} options Original options for this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var updateSelectionList = function(options, state, originalSelect) {\n        var pendingKey = 'form-autocomplete-updateSelectionList-' + state.inputId;\n        M.util.js_pending(pendingKey);\n\n        // Build up a valid context to re-render the template.\n        var items = [];\n        var newSelection = $(document.getElementById(state.selectionId));\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).prop('selected')) {\n                var label;\n                if ($(ele).data('html')) {\n                    label = $(ele).data('html');\n                } else {\n                    label = $(ele).html();\n                }\n                if (label !== '') {\n                    items.push({label: label, value: $(ele).attr('value')});\n                }\n            }\n        });\n\n        if (!hasItemListChanged(state, items)) {\n            M.util.js_complete(pendingKey);\n            return Promise.resolve();\n        }\n\n        state.items = items;\n\n        var context = $.extend(options, state);\n        // Render the template.\n        return templates.render(options.templates.items, context)\n        .then(function(html, js) {\n            // Add it to the page.\n            templates.replaceNodeContents(newSelection, html, js);\n\n            updateActiveSelectionFromState(state);\n\n            return;\n        })\n        .then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch(notification.exception);\n    };\n\n    /**\n     * Check whether the list of items stored in the state has changed.\n     *\n     * @param   {Object} state\n     * @param   {Array} items\n     */\n    var hasItemListChanged = function(state, items) {\n        if (state.items.length !== items.length) {\n            return true;\n        }\n\n        // Check for any items in the state items which are not present in the new items list.\n        return state.items.filter(item => items.indexOf(item) === -1).length > 0;\n    };\n\n    /**\n     * Notify of a change in the selection.\n     *\n     * @param {jQuery} originalSelect The jQuery object matching the hidden select list.\n     */\n    var notifyChange = function(originalSelect) {\n        if (typeof M.core_formchangechecker !== 'undefined') {\n            M.core_formchangechecker.set_form_changed();\n        }\n\n        // Note, jQuery .change() was not working here.\n        var event;\n        if (typeof Event === 'function') {\n            event = new Event('change');\n        } else {\n            // Support IE.\n            event = document.createEvent('Event');\n            event.initEvent('change', true, true);\n        }\n        originalSelect[0].dispatchEvent(event);\n    };\n\n    /**\n     * Remove the given item from the list of selected things.\n     *\n     * @method deselectItem\n     * @private\n     * @param {Object} options Original options for this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {Element} item The item to be deselected.\n     * @param {Element} originalSelect The original select list.\n     * @return {Promise}\n     */\n    var deselectItem = function(options, state, item, originalSelect) {\n        var selectedItemValue = $(item).attr('data-value');\n\n        // Look for a match, and toggle the selected property if there is a match.\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).attr('value') == selectedItemValue) {\n                $(ele).prop('selected', false);\n                // We remove newly created custom tags from the suggestions list when they are deselected.\n                if ($(ele).attr('data-iscustom')) {\n                    $(ele).remove();\n                }\n            }\n        });\n        // Rerender the selection list.\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        });\n    };\n\n    /**\n     * Make an item in the suggestions \"active\" (about to be selected).\n     *\n     * @method activateItem\n     * @private\n     * @param {Number} index The index in the current (visible) list of suggestions.\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activateItem = function(index, state) {\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Count the visible items.\n        var length = suggestionsElement.children('[aria-hidden=false]').length;\n        // Limit the index to the upper/lower bounds of the list (wrap in both directions).\n        index = index % length;\n        while (index < 0) {\n            index += length;\n        }\n        // Find the specified element.\n        var element = $(suggestionsElement.children('[aria-hidden=false]').get(index));\n        // Find the index of this item in the full list of suggestions (including hidden).\n        var globalIndex = $(suggestionsElement.children('[role=option]')).index(element);\n        // Create an id we can assign to this element.\n        var itemId = state.suggestionsId + '-' + globalIndex;\n\n        // Deselect all the suggestions.\n        suggestionsElement.children().attr('aria-selected', false).attr('id', '');\n        // Select only this suggestion and assign it the id.\n        element.attr('aria-selected', true).attr('id', itemId);\n        // Tell the input field it has a new active descendant so the item is announced.\n        inputElement.attr('aria-activedescendant', itemId);\n\n        // Scroll it into view.\n        var scrollPos = element.offset().top\n                       - suggestionsElement.offset().top\n                       + suggestionsElement.scrollTop()\n                       - (suggestionsElement.height() / 2);\n        return suggestionsElement.animate({\n            scrollTop: scrollPos\n        }, 100).promise();\n    };\n\n    /**\n     * Find the index of the current active suggestion, and activate the next one.\n     *\n     * @method activateNextItem\n     * @private\n     * @param {Object} state State variable for this auto complete element.\n     * @return {Promise}\n     */\n    var activateNextItem = function(state) {\n        // Find the list of suggestions.\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Find the active one.\n        var element = suggestionsElement.children('[aria-selected=true]');\n        // Find it's index.\n        var current = suggestionsElement.children('[aria-hidden=false]').index(element);\n        // Activate the next one.\n        return activateItem(current + 1, state);\n    };\n\n    /**\n     * Find the index of the current active selection, and activate the previous one.\n     *\n     * @method activatePreviousSelection\n     * @private\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activatePreviousSelection = function(state) {\n        // Find the list of selections.\n        var selectionsElement = $(document.getElementById(state.selectionId));\n        // Find the active one.\n        var element = selectionsElement.children('[data-active-selection]');\n        if (!element) {\n            return activateSelection(0, state);\n        }\n        // Find it's index.\n        var current = selectionsElement.children('[aria-selected=true]').index(element);\n        // Activate the next one.\n        return activateSelection(current - 1, state);\n    };\n\n    /**\n     * Find the index of the current active selection, and activate the next one.\n     *\n     * @method activateNextSelection\n     * @private\n     * @param {Object} state State variables for this instance of autocomplete.\n     * @return {Promise}\n     */\n    var activateNextSelection = function(state) {\n        // Find the list of selections.\n        var selectionsElement = $(document.getElementById(state.selectionId));\n\n        // Find the active one.\n        var element = selectionsElement.children('[data-active-selection]');\n        var current = 0;\n\n        if (element) {\n            // The element was found. Determine the index and move to the next one.\n            current = selectionsElement.children('[aria-selected=true]').index(element);\n            current = current + 1;\n        } else {\n            // No selected item found. Move to the first.\n            current = 0;\n        }\n\n        return activateSelection(current, state);\n    };\n\n    /**\n     * Find the index of the current active suggestion, and activate the previous one.\n     *\n     * @method activatePreviousItem\n     * @private\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var activatePreviousItem = function(state) {\n        // Find the list of suggestions.\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Find the active one.\n        var element = suggestionsElement.children('[aria-selected=true]');\n\n        // Find it's index.\n        var current = suggestionsElement.children('[aria-hidden=false]').index(element);\n\n        // Activate the previous one.\n        return activateItem(current - 1, state);\n    };\n\n    /**\n     * Close the list of suggestions.\n     *\n     * @method closeSuggestions\n     * @private\n     * @param {Object} state State variables for this autocomplete element.\n     * @return {Promise}\n     */\n    var closeSuggestions = function(state) {\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        if (inputElement.attr('aria-expanded') === \"true\") {\n            // Announce the list of suggestions was closed.\n            inputElement.attr('aria-expanded', false);\n        }\n        // Read the current list of selections.\n        inputElement.attr('aria-activedescendant', state.selectionId);\n\n        // Hide the suggestions list (from screen readers too).\n        suggestionsElement.hide().attr('aria-hidden', true);\n\n        return $.Deferred().resolve();\n    };\n\n    /**\n     * Rebuild the list of suggestions based on the current values in the select list, and the query.\n     *\n     * @method updateSuggestions\n     * @private\n     * @param {Object} options The original options for this autocomplete.\n     * @param {Object} state The state variables for this autocomplete.\n     * @param {String} query The current text for the search string.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var updateSuggestions = function(options, state, query, originalSelect) {\n        var pendingKey = 'form-autocomplete-updateSuggestions-' + state.inputId;\n        M.util.js_pending(pendingKey);\n\n        // Find the elements in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n\n        // Used to track if we found any visible suggestions.\n        var matchingElements = false;\n        // Options is used by the context when rendering the suggestions from a template.\n        var suggestions = [];\n        originalSelect.children('option').each(function(index, option) {\n            if ($(option).prop('selected') !== true) {\n                suggestions[suggestions.length] = {label: option.innerHTML, value: $(option).attr('value')};\n            }\n        });\n\n        // Re-render the list of suggestions.\n        var searchquery = state.caseSensitive ? query : query.toLocaleLowerCase();\n        var context = $.extend({options: suggestions}, options, state);\n        var returnVal = templates.render(\n            'core/form_autocomplete_suggestions',\n            context\n        )\n        .then(function(html, js) {\n            // We have the new template, insert it in the page.\n            templates.replaceNode(suggestionsElement, html, js);\n\n            // Get the element again.\n            suggestionsElement = $(document.getElementById(state.suggestionsId));\n            // Show it if it is hidden.\n            suggestionsElement.show().attr('aria-hidden', false);\n            // For each option in the list, hide it if it doesn't match the query.\n            suggestionsElement.children().each(function(index, node) {\n                node = $(node);\n                if ((options.caseSensitive && node.text().indexOf(searchquery) > -1) ||\n                        (!options.caseSensitive && node.text().toLocaleLowerCase().indexOf(searchquery) > -1)) {\n                    node.show().attr('aria-hidden', false);\n                    matchingElements = true;\n                } else {\n                    node.hide().attr('aria-hidden', true);\n                }\n            });\n            // If we found any matches, show the list.\n            inputElement.attr('aria-expanded', true);\n            if (originalSelect.attr('data-notice')) {\n                // Display a notice rather than actual suggestions.\n                suggestionsElement.html(originalSelect.attr('data-notice'));\n            } else if (matchingElements) {\n                // We only activate the first item in the list if tags is false,\n                // because otherwise \"Enter\" would select the first item, instead of\n                // creating a new tag.\n                if (!options.tags) {\n                    activateItem(0, state);\n                }\n            } else {\n                // Nothing matches. Tell them that.\n                str.get_string('nosuggestions', 'form').done(function(nosuggestionsstr) {\n                    suggestionsElement.html(nosuggestionsstr);\n                });\n            }\n\n            return suggestionsElement;\n        })\n        .then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch(notification.exception);\n\n        return returnVal;\n    };\n\n    /**\n     * Create a new item for the list (a tag).\n     *\n     * @method createItem\n     * @private\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state State variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var createItem = function(options, state, originalSelect) {\n        // Find the element in the DOM.\n        var inputElement = $(document.getElementById(state.inputId));\n        // Get the current text in the input field.\n        var query = inputElement.val();\n        var tags = query.split(',');\n        var found = false;\n\n        $.each(tags, function(tagindex, tag) {\n            // If we can only select one at a time, deselect any current value.\n            tag = tag.trim();\n            if (tag !== '') {\n                if (!options.multiple) {\n                    originalSelect.children('option').prop('selected', false);\n                }\n                // Look for an existing option in the select list that matches this new tag.\n                originalSelect.children('option').each(function(index, ele) {\n                    if ($(ele).attr('value') == tag) {\n                        found = true;\n                        $(ele).prop('selected', true);\n                    }\n                });\n                // Only create the item if it's new.\n                if (!found) {\n                    var option = $('<option>');\n                    option.append(document.createTextNode(tag));\n                    option.attr('value', tag);\n                    originalSelect.append(option);\n                    option.prop('selected', true);\n                    // We mark newly created custom options as we handle them differently if they are \"deselected\".\n                    option.attr('data-iscustom', true);\n                }\n            }\n        });\n\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        })\n        .then(function() {\n            // Clear the input field.\n            inputElement.val('');\n\n            return;\n        })\n        .then(function() {\n            // Close the suggestions list.\n            return closeSuggestions(state);\n        });\n    };\n\n    /**\n     * Select the currently active item from the suggestions list.\n     *\n     * @method selectCurrentItem\n     * @private\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state State variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @return {Promise}\n     */\n    var selectCurrentItem = function(options, state, originalSelect) {\n        // Find the elements in the page.\n        var inputElement = $(document.getElementById(state.inputId));\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Here loop through suggestions and set val to join of all selected items.\n\n        var selectedItemValue = suggestionsElement.children('[aria-selected=true]').attr('data-value');\n        // The select will either be a single or multi select, so the following will either\n        // select one or more items correctly.\n        // Take care to use 'prop' and not 'attr' for selected properties.\n        // If only one can be selected at a time, start by deselecting everything.\n        if (!options.multiple) {\n            originalSelect.children('option').prop('selected', false);\n        }\n        // Look for a match, and toggle the selected property if there is a match.\n        originalSelect.children('option').each(function(index, ele) {\n            if ($(ele).attr('value') == selectedItemValue) {\n                $(ele).prop('selected', true);\n            }\n        });\n\n        return updateSelectionList(options, state, originalSelect)\n        .then(function() {\n            // Notify that the selection changed.\n            notifyChange(originalSelect);\n\n            return;\n        })\n        .then(function() {\n            if (options.closeSuggestionsOnSelect) {\n                // Clear the input element.\n                inputElement.val('');\n                // Close the list of suggestions.\n                return closeSuggestions(state);\n            } else {\n                // Focus on the input element so the suggestions does not auto-close.\n                inputElement.focus();\n                // Remove the last selected item from the suggestions list.\n                return updateSuggestions(options, state, inputElement.val(), originalSelect);\n            }\n        });\n    };\n\n    /**\n     * Fetch a new list of options via ajax.\n     *\n     * @method updateAjax\n     * @private\n     * @param {Event} e The event that triggered this update.\n     * @param {Object} options The original options for the autocomplete.\n     * @param {Object} state The state variables for the autocomplete.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     * @param {Object} ajaxHandler This is a module that does the ajax fetch and translates the results.\n     * @return {Promise}\n     */\n    var updateAjax = function(e, options, state, originalSelect, ajaxHandler) {\n        var pendingPromise = addPendingJSPromise('updateAjax');\n        // We need to show the indicator outside of the hidden select list.\n        // So we get the parent id of the hidden select list.\n        var parentElement = $(document.getElementById(state.selectId)).parent();\n        LoadingIcon.addIconToContainerRemoveOnCompletion(parentElement, pendingPromise);\n\n        // Get the query to pass to the ajax function.\n        var query = $(e.currentTarget).val();\n        // Call the transport function to do the ajax (name taken from Select2).\n        ajaxHandler.transport(options.selector, query, function(results) {\n            // We got a result - pass it through the translator before using it.\n            var processedResults = ajaxHandler.processResults(options.selector, results);\n            var existingValues = [];\n\n            // Now destroy all options that are not currently selected.\n            if (!options.multiple) {\n                originalSelect.children('option').remove();\n            }\n            originalSelect.children('option').each(function(optionIndex, option) {\n                option = $(option);\n                if (!option.prop('selected')) {\n                    option.remove();\n                } else {\n                    existingValues.push(String(option.attr('value')));\n                }\n            });\n\n            if (!options.multiple && originalSelect.children('option').length === 0) {\n                // If this is a single select - and there are no current options\n                // the first option added will be selected by the browser. This causes a bug!\n                // We need to insert an empty option so that none of the real options are selected.\n                var option = $('<option>');\n                originalSelect.append(option);\n            }\n            if ($.isArray(processedResults)) {\n                // Add all the new ones returned from ajax.\n                $.each(processedResults, function(resultIndex, result) {\n                    if (existingValues.indexOf(String(result.value)) === -1) {\n                        var option = $('<option>');\n                        option.append(result.label);\n                        option.attr('value', result.value);\n                        originalSelect.append(option);\n                    }\n                });\n                originalSelect.attr('data-notice', '');\n            } else {\n                // The AJAX handler returned a string instead of the array.\n                originalSelect.attr('data-notice', processedResults);\n            }\n            // Update the list of suggestions now from the new values in the select list.\n            pendingPromise.resolve(updateSuggestions(options, state, '', originalSelect));\n        }, function(error) {\n            pendingPromise.reject(error);\n        });\n\n        return pendingPromise;\n    };\n\n    /**\n     * Add all the event listeners required for keyboard nav, blur clicks etc.\n     *\n     * @method addNavigation\n     * @private\n     * @param {Object} options The options used to create this autocomplete element.\n     * @param {Object} state State variables for this autocomplete element.\n     * @param {JQuery} originalSelect The JQuery object matching the hidden select list.\n     */\n    var addNavigation = function(options, state, originalSelect) {\n        // Start with the input element.\n        var inputElement = $(document.getElementById(state.inputId));\n        // Add keyboard nav with keydown.\n        inputElement.on('keydown', function(e) {\n            var pendingJsPromise = addPendingJSPromise('addNavigation-' + state.inputId + '-' + e.keyCode);\n\n            switch (e.keyCode) {\n                case KEYS.DOWN:\n                    // If the suggestion list is open, move to the next item.\n                    if (!options.showSuggestions) {\n                        // Do not consume this event.\n                        pendingJsPromise.resolve();\n                        return true;\n                    } else if (inputElement.attr('aria-expanded') === \"true\") {\n                        pendingJsPromise.resolve(activateNextItem(state));\n                    } else {\n                        // Handle ajax population of suggestions.\n                        if (!inputElement.val() && options.ajax) {\n                            require([options.ajax], function(ajaxHandler) {\n                                pendingJsPromise.resolve(updateAjax(e, options, state, originalSelect, ajaxHandler));\n                            });\n                        } else {\n                            // Open the suggestions list.\n                            pendingJsPromise.resolve(updateSuggestions(options, state, inputElement.val(), originalSelect));\n                        }\n                    }\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.UP:\n                    // Choose the previous active item.\n                    pendingJsPromise.resolve(activatePreviousItem(state));\n\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.ENTER:\n                    var suggestionsElement = $(document.getElementById(state.suggestionsId));\n                    if ((inputElement.attr('aria-expanded') === \"true\") &&\n                            (suggestionsElement.children('[aria-selected=true]').length > 0)) {\n                        // If the suggestion list has an active item, select it.\n                        pendingJsPromise.resolve(selectCurrentItem(options, state, originalSelect));\n                    } else if (options.tags) {\n                        // If tags are enabled, create a tag.\n                        pendingJsPromise.resolve(createItem(options, state, originalSelect));\n                    } else {\n                        pendingJsPromise.resolve();\n                    }\n\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n                case KEYS.ESCAPE:\n                    if (inputElement.attr('aria-expanded') === \"true\") {\n                        // If the suggestion list is open, close it.\n                        pendingJsPromise.resolve(closeSuggestions(state));\n                    } else {\n                        pendingJsPromise.resolve();\n                    }\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n                    return false;\n            }\n            pendingJsPromise.resolve();\n            return true;\n        });\n        // Support multi lingual COMMA keycode (44).\n        inputElement.on('keypress', function(e) {\n\n            if (e.keyCode === KEYS.COMMA) {\n                if (options.tags) {\n                    // If we are allowing tags, comma should create a tag (or enter).\n                    addPendingJSPromise('keypress-' + e.keyCode)\n                    .resolve(createItem(options, state, originalSelect));\n                }\n                // We handled this event, so prevent it.\n                e.preventDefault();\n                return false;\n            }\n            return true;\n        });\n        // Support submitting the form without leaving the autocomplete element,\n        // or submitting too quick before the blur handler action is completed.\n        inputElement.closest('form').on('submit', function() {\n            if (options.tags) {\n                // If tags are enabled, create a tag.\n                addPendingJSPromise('form-autocomplete-submit')\n                .resolve(createItem(options, state, originalSelect));\n            }\n\n            return true;\n        });\n        inputElement.on('blur', function() {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-blur');\n            window.setTimeout(function() {\n                // Get the current element with focus.\n                var focusElement = $(document.activeElement);\n                var timeoutPromise = $.Deferred();\n\n                // Only close the menu if the input hasn't regained focus and if the element still exists,\n                // and regain focus if the scrollbar is clicked.\n                // Due to the half a second delay, it is possible that the input element no longer exist\n                // by the time this code is being executed.\n                if (focusElement.is(document.getElementById(state.suggestionsId))) {\n                    inputElement.focus(); // Probably the scrollbar is clicked. Regain focus.\n                } else if (!focusElement.is(inputElement) && $(document.getElementById(state.inputId)).length) {\n                    if (options.tags) {\n                        timeoutPromise.then(function() {\n                            return createItem(options, state, originalSelect);\n                        })\n                        .catch();\n                    }\n                    timeoutPromise.then(function() {\n                        return closeSuggestions(state);\n                    })\n                    .catch();\n                }\n\n                timeoutPromise.then(function() {\n                    return pendingPromise.resolve();\n                })\n                .catch();\n                timeoutPromise.resolve();\n            }, 500);\n        });\n        if (options.showSuggestions) {\n            var arrowElement = $(document.getElementById(state.downArrowId));\n            arrowElement.on('click', function(e) {\n                var pendingPromise = addPendingJSPromise('form-autocomplete-show-suggestions');\n\n                // Prevent the close timer, or we will open, then close the suggestions.\n                inputElement.focus();\n\n                // Handle ajax population of suggestions.\n                if (!inputElement.val() && options.ajax) {\n                    require([options.ajax], function(ajaxHandler) {\n                        pendingPromise.resolve(updateAjax(e, options, state, originalSelect, ajaxHandler));\n                    });\n                } else {\n                    // Else - open the suggestions list.\n                    pendingPromise.resolve(updateSuggestions(options, state, inputElement.val(), originalSelect));\n                }\n            });\n        }\n\n        var suggestionsElement = $(document.getElementById(state.suggestionsId));\n        // Remove any click handler first.\n        suggestionsElement.parent().prop(\"onclick\", null).off(\"click\");\n        suggestionsElement.parent().on('click', `#${state.suggestionsId} [role=option]`, function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-parent');\n            // Handle clicks on suggestions.\n            var element = $(e.currentTarget).closest('[role=option]');\n            var suggestionsElement = $(document.getElementById(state.suggestionsId));\n            // Find the index of the clicked on suggestion.\n            var current = suggestionsElement.children('[aria-hidden=false]').index(element);\n\n            // Activate it.\n            activateItem(current, state)\n            .then(function() {\n                // And select it.\n                return selectCurrentItem(options, state, originalSelect);\n            })\n            .then(function() {\n                return pendingPromise.resolve();\n            })\n            .catch();\n        });\n        var selectionElement = $(document.getElementById(state.selectionId));\n\n        // Handle clicks on the selected items (will unselect an item).\n        selectionElement.on('click', '[role=option]', function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-clicks');\n\n            // Remove it from the selection.\n            pendingPromise.resolve(deselectItem(options, state, $(e.currentTarget), originalSelect));\n        });\n\n        // When listbox is focused, focus on the first option if there is no focused option.\n        selectionElement.on('focus', function() {\n            updateActiveSelectionFromState(state);\n        });\n\n        // Keyboard navigation for the selection list.\n        selectionElement.on('keydown', function(e) {\n            var pendingPromise = addPendingJSPromise('form-autocomplete-keydown-' + e.keyCode);\n            switch (e.keyCode) {\n                case KEYS.RIGHT:\n                case KEYS.DOWN:\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n\n                    // Choose the next selection item.\n                    pendingPromise.resolve(activateNextSelection(state));\n                    return;\n                case KEYS.LEFT:\n                case KEYS.UP:\n                    // We handled this event, so prevent it.\n                    e.preventDefault();\n\n                    // Choose the previous selection item.\n                    pendingPromise.resolve(activatePreviousSelection(state));\n                    return;\n                case KEYS.SPACE:\n                case KEYS.ENTER:\n                    // Get the item that is currently selected.\n                    var selectedItem = $(document.getElementById(state.selectionId)).children('[data-active-selection]');\n                    if (selectedItem) {\n                        e.preventDefault();\n\n                        // Unselect this item.\n                        pendingPromise.resolve(deselectItem(options, state, selectedItem, originalSelect));\n                    }\n                    return;\n            }\n\n            // Not handled. Resolve the promise.\n            pendingPromise.resolve();\n        });\n        // Whenever the input field changes, update the suggestion list.\n        if (options.showSuggestions) {\n            // Store the value of the field as its last value, when the field gains focus.\n            inputElement.on('focus', function(e) {\n                var query = $(e.currentTarget).val();\n                $(e.currentTarget).data('last-value', query);\n            });\n\n            // If this field uses ajax, set it up.\n            if (options.ajax) {\n                require([options.ajax], function(ajaxHandler) {\n                    // Creating throttled handlers free of race conditions, and accurate.\n                    // This code keeps track of a throttleTimeout, which is periodically polled.\n                    // Once the throttled function is executed, the fact that it is running is noted.\n                    // If a subsequent request comes in whilst it is running, this request is re-applied.\n                    var throttleTimeout = null;\n                    var inProgress = false;\n                    var pendingKey = 'autocomplete-throttledhandler';\n                    var handler = function(e) {\n                        // Empty the current timeout.\n                        throttleTimeout = null;\n\n                        // Mark this request as in-progress.\n                        inProgress = true;\n\n                        // Process the request.\n                        updateAjax(e, options, state, originalSelect, ajaxHandler)\n                        .then(function() {\n                            // Check if the throttleTimeout is still empty.\n                            // There's a potential condition whereby the JS request takes long enough to complete that\n                            // another task has been queued.\n                            // In this case another task will be kicked off and we must wait for that before marking htis as\n                            // complete.\n                            if (null === throttleTimeout) {\n                                // Mark this task as complete.\n                                M.util.js_complete(pendingKey);\n                            }\n                            inProgress = false;\n\n                            return arguments[0];\n                        })\n                        .catch(notification.exception);\n                    };\n\n                    // For input events, we do not want to trigger many, many updates.\n                    var throttledHandler = function(e) {\n                        window.clearTimeout(throttleTimeout);\n                        if (inProgress) {\n                            // A request is currently ongoing.\n                            // Delay this request another 100ms.\n                            throttleTimeout = window.setTimeout(throttledHandler.bind(this, e), 100);\n                            return;\n                        }\n\n                        if (throttleTimeout === null) {\n                            // There is currently no existing timeout handler, and it has not been recently cleared, so\n                            // this is the start of a throttling check.\n                            M.util.js_pending(pendingKey);\n                        }\n\n                        // There is currently no existing timeout handler, and it has not been recently cleared, so this\n                        // is the start of a throttling check.\n                        // Queue a call to the handler.\n                        throttleTimeout = window.setTimeout(handler.bind(this, e), 300);\n                    };\n\n                    // Trigger an ajax update after the text field value changes.\n                    inputElement.on('input', function(e) {\n                        var query = $(e.currentTarget).val();\n                        var last = $(e.currentTarget).data('last-value');\n                        // IE11 fires many more input events than required - even when the value has not changed.\n                        if (last !== query) {\n                            throttledHandler(e);\n                        }\n                        $(e.currentTarget).data('last-value', query);\n                    });\n                });\n            } else {\n                inputElement.on('input', function(e) {\n                    var query = $(e.currentTarget).val();\n                    var last = $(e.currentTarget).data('last-value');\n                    // IE11 fires many more input events than required - even when the value has not changed.\n                    // We need to only do this for real value changed events or the suggestions will be\n                    // unclickable on IE11 (because they will be rebuilt before the click event fires).\n                    // Note - because of this we cannot close the list when the query is empty or it will break\n                    // on IE11.\n                    if (last !== query) {\n                        updateSuggestions(options, state, query, originalSelect);\n                    }\n                    $(e.currentTarget).data('last-value', query);\n                });\n            }\n        }\n    };\n\n    /**\n     * Create and return an unresolved Promise for some pending JS.\n     *\n     * @param   {String} key The unique identifier for this promise\n     * @return  {Promise}\n     */\n    var addPendingJSPromise = function(key) {\n            var pendingKey = 'form-autocomplete:' + key;\n\n            M.util.js_pending(pendingKey);\n\n            var pendingPromise = $.Deferred();\n\n            pendingPromise\n            .then(function() {\n                M.util.js_complete(pendingKey);\n\n                return arguments[0];\n            })\n            .catch(notification.exception);\n\n            return pendingPromise;\n    };\n\n    return /** @alias module:core/form-autocomplete */ {\n        // Public variables and functions.\n        /**\n         * Turn a boring select box into an auto-complete beast.\n         *\n         * @method enhance\n         * @param {string} selector The selector that identifies the select box.\n         * @param {boolean} tags Whether to allow support for tags (can define new entries).\n         * @param {string} ajax Name of an AMD module to handle ajax requests. If specified, the AMD\n         *                      module must expose 2 functions \"transport\" and \"processResults\".\n         *                      These are modeled on Select2 see: https://select2.github.io/options.html#ajax\n         * @param {String} placeholder - The text to display before a selection is made.\n         * @param {Boolean} caseSensitive - If search has to be made case sensitive.\n         * @param {Boolean} showSuggestions - If suggestions should be shown\n         * @param {String} noSelectionString - Text to display when there is no selection\n         * @param {Boolean} closeSuggestionsOnSelect - Whether to close the suggestions immediately after making a selection.\n         * @param {Object} templateOverrides A set of templates to use instead of the standard templates\n         * @return {Promise}\n         */\n        enhance: function(selector, tags, ajax, placeholder, caseSensitive, showSuggestions, noSelectionString,\n                          closeSuggestionsOnSelect, templateOverrides) {\n            // Set some default values.\n            var options = {\n                selector: selector,\n                tags: false,\n                ajax: false,\n                placeholder: placeholder,\n                caseSensitive: false,\n                showSuggestions: true,\n                noSelectionString: noSelectionString,\n                templates: $.extend({\n                        input: 'core/form_autocomplete_input',\n                        items: 'core/form_autocomplete_selection_items',\n                        layout: 'core/form_autocomplete_layout',\n                        selection: 'core/form_autocomplete_selection',\n                        suggestions: 'core/form_autocomplete_suggestions',\n                    }, templateOverrides),\n            };\n            var pendingKey = 'autocomplete-setup-' + selector;\n            M.util.js_pending(pendingKey);\n            if (typeof tags !== \"undefined\") {\n                options.tags = tags;\n            }\n            if (typeof ajax !== \"undefined\") {\n                options.ajax = ajax;\n            }\n            if (typeof caseSensitive !== \"undefined\") {\n                options.caseSensitive = caseSensitive;\n            }\n            if (typeof showSuggestions !== \"undefined\") {\n                options.showSuggestions = showSuggestions;\n            }\n            if (typeof noSelectionString === \"undefined\") {\n                str.get_string('noselection', 'form').done(function(result) {\n                    options.noSelectionString = result;\n                }).fail(notification.exception);\n            }\n\n            // Look for the select element.\n            var originalSelect = $(selector);\n            if (!originalSelect) {\n                log.debug('Selector not found: ' + selector);\n                M.util.js_complete(pendingKey);\n                return false;\n            }\n\n            originalSelect.css('visibility', 'hidden').attr('aria-hidden', true);\n\n            // Hide the original select.\n\n            // Find or generate some ids.\n            var state = {\n                selectId: originalSelect.attr('id'),\n                inputId: 'form_autocomplete_input-' + uniqueId,\n                suggestionsId: 'form_autocomplete_suggestions-' + uniqueId,\n                selectionId: 'form_autocomplete_selection-' + uniqueId,\n                downArrowId: 'form_autocomplete_downarrow-' + uniqueId,\n                items: [],\n            };\n\n            // Increment the unique counter so we don't get duplicates ever.\n            uniqueId++;\n\n            options.multiple = originalSelect.attr('multiple');\n            if (!options.multiple) {\n                // If this is a single select then there is no way to de-select the current value -\n                // unless we add a bogus blank option to be selected when nothing else is.\n                // This matches similar code in updateAjax above.\n                originalSelect.prepend('<option>');\n            }\n\n            if (typeof closeSuggestionsOnSelect !== \"undefined\") {\n                options.closeSuggestionsOnSelect = closeSuggestionsOnSelect;\n            } else {\n                // If not specified, this will close suggestions by default for single-select elements only.\n                options.closeSuggestionsOnSelect = !options.multiple;\n            }\n\n            var originalLabel = $('[for=' + state.selectId + ']');\n            // Create the new markup and insert it after the select.\n            var suggestions = [];\n            originalSelect.children('option').each(function(index, option) {\n                suggestions[index] = {label: option.innerHTML, value: $(option).attr('value')};\n            });\n\n            // Render all the parts of our UI.\n            var context = $.extend({}, options, state);\n            context.options = suggestions;\n            context.items = [];\n\n            // Collect rendered inline JS to be executed once the HTML is shown.\n            var collectedjs = '';\n\n            var renderLayout = templates.render(options.templates.layout, {})\n            .then(function(html) {\n                return $(html);\n            });\n\n            var renderInput = templates.render(options.templates.input, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            var renderDatalist = templates.render(options.templates.suggestions, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            var renderSelection = templates.render(options.templates.selection, context).then(function(html, js) {\n                collectedjs += js;\n                return $(html);\n            });\n\n            return $.when(renderLayout, renderInput, renderDatalist, renderSelection)\n            .then(function(layout, input, suggestions, selection) {\n                originalSelect.hide();\n                var container = originalSelect.parent();\n\n                // Ensure that the data-fieldtype is set for behat.\n                $(input).find('input').attr('data-fieldtype', 'autocomplete');\n\n                container.append(layout);\n                container.find('[data-region=\"form_autocomplete-input\"]').replaceWith(input);\n                container.find('[data-region=\"form_autocomplete-suggestions\"]').replaceWith(suggestions);\n                container.find('[data-region=\"form_autocomplete-selection\"]').replaceWith(selection);\n\n                templates.runTemplateJS(collectedjs);\n\n                // Update the form label to point to the text input.\n                originalLabel.attr('for', state.inputId);\n                // Add the event handlers.\n                addNavigation(options, state, originalSelect);\n\n           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\ No newline at end of file
diff --git a/lib/amd/build/form-cohort-selector.min.js b/lib/amd/build/form-cohort-selector.min.js
index c67abdaa41c..6a2af8e0bb7 100644
--- a/lib/amd/build/form-cohort-selector.min.js
+++ b/lib/amd/build/form-cohort-selector.min.js
@@ -1,2 +1,13 @@
-define ("core/form-cohort-selector",["core/ajax","jquery"],function(a,b){return{processResults:function processResults(a,c){var d=[],e=0,f=(b(a).data("exclude")+"").split(",");for(e=0;e<c.cohorts.length;e++){if(-1===f.indexOf(c.cohorts[e].id+"")){d.push({value:c.cohorts[e].id,label:c.cohorts[e].name})}}return d},transport:function transport(c,d,e,f){var g=b(c),h=null;if("undefined"==typeof d){d=""}var i=g.data("contextid"),j={query:d,includes:"parents",limitfrom:0,limitnum:100,context:{contextid:i}};h=a.call([{methodname:"core_cohort_search_cohorts",args:j}]);b.when.apply(b.when,h).done(function(a){e(a)}).fail(f)}}});
-//# sourceMappingURL=form-cohort-selector.min.js.map
+/**
+ * Course selector adaptor for auto-complete form element.
+ *
+ * @module     core/form-cohort-selector
+ * @class      form-cohort-selector
+ * @package    core
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("core/form-cohort-selector",["core/ajax","jquery"],(function(ajax,$){return{processResults:function(selector,data){var results=[],i=0,excludelist=String($(selector).data("exclude")).split(",");for(i=0;i<data.cohorts.length;i++)-1===excludelist.indexOf(String(data.cohorts[i].id))&&results.push({value:data.cohorts[i].id,label:data.cohorts[i].name});return results},transport:function(selector,query,success,failure){var promises;void 0===query&&(query="");var calls=[{methodname:"core_cohort_search_cohorts",args:{query:query,includes:"parents",limitfrom:0,limitnum:100,context:{contextid:$(selector).data("contextid")}}}];promises=ajax.call(calls),$.when.apply($.when,promises).done((function(data){success(data)})).fail(failure)}}}));
+
+//# sourceMappingURL=form-cohort-selector.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/form-cohort-selector.min.js.map b/lib/amd/build/form-cohort-selector.min.js.map
index 8634c0975a1..193879ef50b 100644
--- a/lib/amd/build/form-cohort-selector.min.js.map
+++ b/lib/amd/build/form-cohort-selector.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/form-cohort-selector.js"],"names":["define","ajax","$","processResults","selector","data","results","i","excludelist","split","cohorts","length","indexOf","id","push","value","label","name","transport","query","success","failure","el","promises","contextid","searchargs","includes","limitfrom","limitnum","context","call","methodname","args","when","apply","done","fail"],"mappings":"AAyBAA,OAAM,6BAAC,CAAC,WAAD,CAAc,QAAd,CAAD,CAA0B,SAASC,CAAT,CAAeC,CAAf,CAAkB,CAE9C,MAAsD,CAElDC,cAAc,CAAE,wBAASC,CAAT,CAAmBC,CAAnB,CAAyB,IAEjCC,CAAAA,CAAO,CAAG,EAFuB,CAGjCC,CAAC,CAAG,CAH6B,CAIjCC,CAAW,CAAG,CAAON,CAAC,CAACE,CAAD,CAAD,CAAYC,IAAZ,CAAiB,SAAjB,CAAP,KAAoCI,KAApC,CAA0C,GAA1C,CAJmB,CAMrC,IAAKF,CAAC,CAAG,CAAT,CAAYA,CAAC,CAAGF,CAAI,CAACK,OAAL,CAAaC,MAA7B,CAAqCJ,CAAC,EAAtC,CAA0C,CACtC,GAAwD,CAAC,CAArD,GAAAC,CAAW,CAACI,OAAZ,CAA2BP,CAAI,CAACK,OAAL,CAAaH,CAAb,EAAgBM,EAA3C,IAAJ,CAA4D,CACxDP,CAAO,CAACQ,IAAR,CAAa,CAACC,KAAK,CAAEV,CAAI,CAACK,OAAL,CAAaH,CAAb,EAAgBM,EAAxB,CAA4BG,KAAK,CAAEX,CAAI,CAACK,OAAL,CAAaH,CAAb,EAAgBU,IAAnD,CAAb,CACH,CACJ,CACD,MAAOX,CAAAA,CACV,CAdiD,CAgBlDY,SAAS,CAAE,mBAASd,CAAT,CAAmBe,CAAnB,CAA0BC,CAA1B,CAAmCC,CAAnC,CAA4C,IAC/CC,CAAAA,CAAE,CAAGpB,CAAC,CAACE,CAAD,CADyC,CAM/CmB,CAAQ,CAAG,IANoC,CAQnD,GAAqB,WAAjB,QAAOJ,CAAAA,CAAX,CAAkC,CAC9BA,CAAK,CAAG,EACX,CAVkD,GAW/CK,CAAAA,CAAS,CAAGF,CAAE,CAACjB,IAAH,CAAQ,WAAR,CAXmC,CAa/CoB,CAAU,CAAG,CACbN,KAAK,CAAEA,CADM,CAEbO,QAAQ,CAAE,SAFG,CAGbC,SAAS,CAAE,CAHE,CAIbC,QAAQ,CAAE,GAJG,CAKbC,OAAO,CAAE,CAACL,SAAS,CAAEA,CAAZ,CALI,CAbkC,CA0BnDD,CAAQ,CAAGtB,CAAI,CAAC6B,IAAL,CALC,CAAC,CACTC,UAAU,CAAE,4BADH,CACiCC,IAAI,CAAEP,CADvC,CAAD,CAKD,CAAX,CACAvB,CAAC,CAAC+B,IAAF,CAAOC,KAAP,CAAahC,CAAC,CAAC+B,IAAf,CAAqBV,CAArB,EAA+BY,IAA/B,CAAoC,SAAS9B,CAAT,CAAe,CAC/Ce,CAAO,CAACf,CAAD,CACV,CAFD,EAEG+B,IAFH,CAEQf,CAFR,CAGH,CA9CiD,CAgDzD,CAlDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Course selector adaptor for auto-complete form element.\n *\n * @module     core/form-cohort-selector\n * @class      form-cohort-selector\n * @package    core\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['core/ajax', 'jquery'], function(ajax, $) {\n\n    return /** @alias module:core/form-cohort-selector */ {\n        // Public variables and functions.\n        processResults: function(selector, data) {\n            // Mangle the results into an array of objects.\n            var results = [];\n            var i = 0;\n            var excludelist = String($(selector).data('exclude')).split(',');\n\n            for (i = 0; i < data.cohorts.length; i++) {\n                if (excludelist.indexOf(String(data.cohorts[i].id)) === -1) {\n                    results.push({value: data.cohorts[i].id, label: data.cohorts[i].name});\n                }\n            }\n            return results;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var el = $(selector);\n\n            // Parse some data-attributes from the form element.\n\n            // Build the query.\n            var promises = null;\n\n            if (typeof query === \"undefined\") {\n                query = '';\n            }\n            var contextid = el.data('contextid');\n\n            var searchargs = {\n                query: query,\n                includes: 'parents',\n                limitfrom: 0,\n                limitnum: 100,\n                context: {contextid: contextid}\n            };\n\n            var calls = [{\n                methodname: 'core_cohort_search_cohorts', args: searchargs\n            }];\n\n            // Go go go!\n            promises = ajax.call(calls);\n            $.when.apply($.when, promises).done(function(data) {\n                success(data);\n            }).fail(failure);\n        }\n    };\n});\n"],"file":"form-cohort-selector.min.js"}
\ No newline at end of file
+{"version":3,"file":"form-cohort-selector.min.js","sources":["../src/form-cohort-selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Course selector adaptor for auto-complete form element.\n *\n * @module     core/form-cohort-selector\n * @class      form-cohort-selector\n * @package    core\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['core/ajax', 'jquery'], function(ajax, $) {\n\n    return /** @alias module:core/form-cohort-selector */ {\n        // Public variables and functions.\n        processResults: function(selector, data) {\n            // Mangle the results into an array of objects.\n            var results = [];\n            var i = 0;\n            var excludelist = String($(selector).data('exclude')).split(',');\n\n            for (i = 0; i < data.cohorts.length; i++) {\n                if (excludelist.indexOf(String(data.cohorts[i].id)) === -1) {\n                    results.push({value: data.cohorts[i].id, label: data.cohorts[i].name});\n                }\n            }\n            return results;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var el = $(selector);\n\n            // Parse some data-attributes from the form element.\n\n            // Build the query.\n            var promises = null;\n\n            if (typeof query === \"undefined\") {\n                query = '';\n            }\n            var contextid = el.data('contextid');\n\n            var searchargs = {\n                query: query,\n                includes: 'parents',\n                limitfrom: 0,\n                limitnum: 100,\n                context: {contextid: contextid}\n            };\n\n            var calls = [{\n                methodname: 'core_cohort_search_cohorts', args: searchargs\n            }];\n\n            // Go go go!\n            promises = ajax.call(calls);\n            $.when.apply($.when, promises).done(function(data) {\n                success(data);\n            }).fail(failure);\n        }\n    };\n});\n"],"names":["define","ajax","$","processResults","selector","data","results","i","excludelist","String","split","cohorts","length","indexOf","id","push","value","label","name","transport","query","success","failure","promises","calls","methodname","args","includes","limitfrom","limitnum","context","contextid","call","when","apply","done","fail"],"mappings":";;;;;;;;;;AAyBAA,mCAAO,CAAC,YAAa,WAAW,SAASC,KAAMC,SAEW,CAElDC,eAAgB,SAASC,SAAUC,UAE3BC,QAAU,GACVC,EAAI,EACJC,YAAcC,OAAOP,EAAEE,UAAUC,KAAK,YAAYK,MAAM,SAEvDH,EAAI,EAAGA,EAAIF,KAAKM,QAAQC,OAAQL,KACwB,IAArDC,YAAYK,QAAQJ,OAAOJ,KAAKM,QAAQJ,GAAGO,MAC3CR,QAAQS,KAAK,CAACC,MAAOX,KAAKM,QAAQJ,GAAGO,GAAIG,MAAOZ,KAAKM,QAAQJ,GAAGW,cAGjEZ,SAGXa,UAAW,SAASf,SAAUgB,MAAOC,QAASC,aAMtCC,cAEiB,IAAVH,QACPA,MAAQ,QAYRI,MAAQ,CAAC,CACTC,WAAY,6BAA8BC,KAT7B,CACbN,MAAOA,MACPO,SAAU,UACVC,UAAW,EACXC,SAAU,IACVC,QAAS,CAACC,UAjBL7B,EAAEE,UAUQC,KAAK,iBAexBkB,SAAWtB,KAAK+B,KAAKR,OACrBtB,EAAE+B,KAAKC,MAAMhC,EAAE+B,KAAMV,UAAUY,MAAK,SAAS9B,MACzCgB,QAAQhB,SACT+B,KAAKd"}
\ No newline at end of file
diff --git a/lib/amd/build/form-course-selector.min.js b/lib/amd/build/form-course-selector.min.js
index bea45c2db76..2a56a2bb4b1 100644
--- a/lib/amd/build/form-course-selector.min.js
+++ b/lib/amd/build/form-course-selector.min.js
@@ -1,2 +1,13 @@
-define ("core/form-course-selector",["core/ajax","jquery"],function(a,b){return{processResults:function processResults(a,c){var d=[],e=0,f=(b(a).data("exclude")+"").split(",");for(e=0;e<c.courses.length;e++){if(-1===f.indexOf(c.courses[e].id+"")){d.push({value:c.courses[e].id,label:c.courses[e].displayname})}}return d},transport:function transport(c,d,e,f){var g=b(c),h=g.data("requiredcapabilities");if(""!==h.trim()){h=h.split(",")}else{h=[]}var i=g.data("limittoenrolled"),j=g.data("includefrontpage"),k=g.data("onlywithcompletion"),l=null;if("undefined"==typeof d){d=""}var m={criterianame:"search",criteriavalue:d,page:0,perpage:100,requiredcapabilities:h,limittoenrolled:i,onlywithcompletion:k},n=[{methodname:"core_course_search_courses",args:m}];if(j){n.push({methodname:"core_course_get_courses",args:{options:{ids:[j]}}})}l=a.call(n);b.when.apply(b.when,l).done(function(a,b){if(b&&1==b.length){var c=b.pop(),f=""===d||-1<c.fullname.toUpperCase().indexOf(d.toUpperCase())||-1<c.shortname.toUpperCase().indexOf(d.toUpperCase());if(f){a.courses.splice(0,0,c)}}e(a)}).fail(f)}}});
-//# sourceMappingURL=form-course-selector.min.js.map
+/**
+ * Course selector adaptor for auto-complete form element.
+ *
+ * @module     core/form-course-selector
+ * @class      form-course-selector
+ * @package    core
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("core/form-course-selector",["core/ajax","jquery"],(function(ajax,$){return{processResults:function(selector,data){var results=[],i=0,excludelist=String($(selector).data("exclude")).split(",");for(i=0;i<data.courses.length;i++)-1===excludelist.indexOf(String(data.courses[i].id))&&results.push({value:data.courses[i].id,label:data.courses[i].displayname});return results},transport:function(selector,query,success,failure){var el=$(selector),requiredcapabilities=el.data("requiredcapabilities");requiredcapabilities=""!==requiredcapabilities.trim()?requiredcapabilities.split(","):[];var promises,limittoenrolled=el.data("limittoenrolled"),includefrontpage=el.data("includefrontpage"),onlywithcompletion=el.data("onlywithcompletion");void 0===query&&(query="");var calls=[{methodname:"core_course_search_courses",args:{criterianame:"search",criteriavalue:query,page:0,perpage:100,requiredcapabilities:requiredcapabilities,limittoenrolled:limittoenrolled,onlywithcompletion:onlywithcompletion}}];includefrontpage&&calls.push({methodname:"core_course_get_courses",args:{options:{ids:[includefrontpage]}}}),promises=ajax.call(calls),$.when.apply($.when,promises).done((function(data,site){if(site&&1==site.length){var frontpage=site.pop();(""===query||frontpage.fullname.toUpperCase().indexOf(query.toUpperCase())>-1||frontpage.shortname.toUpperCase().indexOf(query.toUpperCase())>-1)&&data.courses.splice(0,0,frontpage)}success(data)})).fail(failure)}}}));
+
+//# sourceMappingURL=form-course-selector.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/form-course-selector.min.js.map b/lib/amd/build/form-course-selector.min.js.map
index 23eeb560d7e..cf7fbb7c9b4 100644
--- a/lib/amd/build/form-course-selector.min.js.map
+++ b/lib/amd/build/form-course-selector.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Course selector adaptor for auto-complete form element.\n *\n * @module     core/form-course-selector\n * @class      form-course-selector\n * @package    core\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['core/ajax', 'jquery'], function(ajax, $) {\n\n    return /** @alias module:core/form-course-selector */ {\n        // Public variables and functions.\n        processResults: function(selector, data) {\n            // Mangle the results into an array of objects.\n            var results = [];\n            var i = 0;\n            var excludelist = String($(selector).data('exclude')).split(',');\n\n            for (i = 0; i < data.courses.length; i++) {\n                if (excludelist.indexOf(String(data.courses[i].id)) === -1) {\n                    results.push({value: data.courses[i].id, label: data.courses[i].displayname});\n                }\n            }\n            return results;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var el = $(selector);\n\n            // Parse some data-attributes from the form element.\n            var requiredcapabilities = el.data('requiredcapabilities');\n            if (requiredcapabilities.trim() !== \"\") {\n                requiredcapabilities = requiredcapabilities.split(',');\n            } else {\n                requiredcapabilities = [];\n            }\n\n            var limittoenrolled = el.data('limittoenrolled');\n            var includefrontpage = el.data('includefrontpage');\n            var onlywithcompletion = el.data('onlywithcompletion');\n\n            // Build the query.\n            var promises = null;\n\n            if (typeof query === \"undefined\") {\n                query = '';\n            }\n\n            var searchargs = {\n                criterianame: 'search',\n                criteriavalue: query,\n                page: 0,\n                perpage: 100,\n                requiredcapabilities: requiredcapabilities,\n                limittoenrolled: limittoenrolled,\n                onlywithcompletion: onlywithcompletion\n            };\n\n            var calls = [{\n                methodname: 'core_course_search_courses', args: searchargs\n            }];\n            if (includefrontpage) {\n                calls.push({\n                    methodname: 'core_course_get_courses',\n                    args: {\n                        options: {\n                            ids: [includefrontpage]\n                        }\n                    }\n                });\n            }\n\n            // Go go go!\n            promises = ajax.call(calls);\n            $.when.apply($.when, promises).done(function(data, site) {\n                if (site && site.length == 1) {\n                    var frontpage = site.pop();\n                    var matches = query === ''\n                        || frontpage.fullname.toUpperCase().indexOf(query.toUpperCase()) > -1\n                        || frontpage.shortname.toUpperCase().indexOf(query.toUpperCase()) > -1;\n                    if (matches) {\n                        data.courses.splice(0, 0, frontpage);\n                    }\n                }\n                success(data);\n            }).fail(failure);\n        }\n    };\n});\n"],"file":"form-course-selector.min.js"}
\ No newline at end of file
+{"version":3,"file":"form-course-selector.min.js","sources":["../src/form-course-selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Course selector adaptor for auto-complete form element.\n *\n * @module     core/form-course-selector\n * @class      form-course-selector\n * @package    core\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['core/ajax', 'jquery'], function(ajax, $) {\n\n    return /** @alias module:core/form-course-selector */ {\n        // Public variables and functions.\n        processResults: function(selector, data) {\n            // Mangle the results into an array of objects.\n            var results = [];\n            var i = 0;\n            var excludelist = String($(selector).data('exclude')).split(',');\n\n            for (i = 0; i < data.courses.length; i++) {\n                if (excludelist.indexOf(String(data.courses[i].id)) === -1) {\n                    results.push({value: data.courses[i].id, label: data.courses[i].displayname});\n                }\n            }\n            return results;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var el = $(selector);\n\n            // Parse some data-attributes from the form element.\n            var requiredcapabilities = el.data('requiredcapabilities');\n            if (requiredcapabilities.trim() !== \"\") {\n                requiredcapabilities = requiredcapabilities.split(',');\n            } else {\n                requiredcapabilities = [];\n            }\n\n            var limittoenrolled = el.data('limittoenrolled');\n            var includefrontpage = el.data('includefrontpage');\n            var onlywithcompletion = el.data('onlywithcompletion');\n\n            // Build the query.\n            var promises = null;\n\n            if (typeof query === \"undefined\") {\n                query = '';\n            }\n\n            var searchargs = {\n                criterianame: 'search',\n                criteriavalue: query,\n                page: 0,\n                perpage: 100,\n                requiredcapabilities: requiredcapabilities,\n                limittoenrolled: limittoenrolled,\n                onlywithcompletion: onlywithcompletion\n            };\n\n            var calls = [{\n                methodname: 'core_course_search_courses', args: searchargs\n            }];\n            if (includefrontpage) {\n                calls.push({\n                    methodname: 'core_course_get_courses',\n                    args: {\n                        options: {\n                            ids: [includefrontpage]\n                        }\n                    }\n                });\n            }\n\n            // Go go go!\n            promises = ajax.call(calls);\n            $.when.apply($.when, promises).done(function(data, site) {\n                if (site && site.length == 1) {\n                    var frontpage = site.pop();\n                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diff --git a/lib/amd/build/fragment.min.js b/lib/amd/build/fragment.min.js
index ce282dd54b3..998548b87fe 100644
--- a/lib/amd/build/fragment.min.js
+++ b/lib/amd/build/fragment.min.js
@@ -1,2 +1,13 @@
-define ("core/fragment",["jquery","core/ajax"],function(a,b){var c=function loadFragment(a,c,d,e){var f=[];for(var g in e){f.push({name:g,value:e[g]})}return b.call([{methodname:"core_get_fragment",args:{component:a,callback:c,contextid:d,args:f}}])[0]};return{loadFragment:function loadFragment(b,d,e,f){var g=a.Deferred();c(b,d,e,f).then(function(b){var c=a(b.javascript),d="";c.each(function(b,c){c=a(c);var e=c.prop("tagName");if(e&&"script"==e.toLowerCase()){if(c.attr("src")){var f=!1;a("script").each(function(b,d){if(a(d).attr("src")==c.attr("src")){f=!0}return!f});if(!f){d+=" { ";d+=" node = document.createElement(\"script\"); ";d+=" node.type = \"text/javascript\"; ";d+=" node.src = decodeURI(\""+encodeURI(c.attr("src"))+"\"); ";d+=" document.getElementsByTagName(\"head\")[0].appendChild(node); ";d+=" } "}}else{d+=" "+c.text()}}});g.resolve(b.html,d)}).fail(function(a){g.reject(a)});return g.promise()}}});
-//# sourceMappingURL=fragment.min.js.map
+/**
+ * A way to call HTML fragments to be inserted as required via JavaScript.
+ *
+ * @module     core/fragment
+ * @class      fragment
+ * @package    core
+ * @copyright  2016 Adrian Greeve <adrian@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("core/fragment",["jquery","core/ajax"],(function($,ajax){return{loadFragment:function(component,callback,contextid,params){var promise=$.Deferred();return function(component,callback,contextid,params){var formattedparams=[];for(var index in params)formattedparams.push({name:index,value:params[index]});return ajax.call([{methodname:"core_get_fragment",args:{component:component,callback:callback,contextid:contextid,args:formattedparams}}])[0]}(component,callback,contextid,params).then((function(data){var jsNodes=$(data.javascript),allScript="";jsNodes.each((function(index,scriptNode){var tagName=(scriptNode=$(scriptNode)).prop("tagName");if(tagName&&"script"==tagName.toLowerCase())if(scriptNode.attr("src")){var exists=!1;$("script").each((function(index,s){return $(s).attr("src")==scriptNode.attr("src")&&(exists=!0),!exists})),exists||(allScript+=" { ",allScript+=' node = document.createElement("script"); ',allScript+=' node.type = "text/javascript"; ',allScript+=' node.src = decodeURI("'+encodeURI(scriptNode.attr("src"))+'"); ',allScript+=' document.getElementsByTagName("head")[0].appendChild(node); ',allScript+=" } ")}else allScript+=" "+scriptNode.text()})),promise.resolve(data.html,allScript)})).fail((function(ex){promise.reject(ex)})),promise.promise()}}}));
+
+//# sourceMappingURL=fragment.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/fragment.min.js.map b/lib/amd/build/fragment.min.js.map
index 78686e71234..dcd1352e9af 100644
--- a/lib/amd/build/fragment.min.js.map
+++ b/lib/amd/build/fragment.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A way to call HTML fragments to be inserted as required via JavaScript.\n *\n * @module     core/fragment\n * @class      fragment\n * @package    core\n * @copyright  2016 Adrian Greeve <adrian@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax'], function($, ajax) {\n\n    /**\n     * Loads an HTML fragment through a callback.\n     *\n     * @method loadFragment\n     * @param {string} component Component where callback is located.\n     * @param {string} callback Callback function name.\n     * @param {integer} contextid Context ID of the fragment.\n     * @param {object} params Parameters for the callback.\n     * @return {Promise} JQuery promise object resolved when the fragment has been loaded.\n     */\n    var loadFragment = function(component, callback, contextid, params) {\n        // Change params into required webservice format.\n        var formattedparams = [];\n        for (var index in params) {\n            formattedparams.push({\n                name: index,\n                value: params[index]\n            });\n        }\n\n        return ajax.call([{\n            methodname: 'core_get_fragment',\n            args: {\n                component: component,\n                callback: callback,\n                contextid: contextid,\n                args: formattedparams\n            }\n        }])[0];\n    };\n\n    return /** @alias module:core/fragment */{\n        /**\n         * Appends HTML and JavaScript fragments to specified nodes.\n         * Callbacks called by this AMD module are responsible for doing the appropriate security checks\n         * to access the information that is returned. This only does minimal validation on the context.\n         *\n         * @method fragmentAppend\n         * @param {string} component Component where callback is located.\n         * @param {string} callback Callback function name.\n         * @param {integer} contextid Context ID of the fragment.\n         * @param {object} params Parameters for the callback.\n         * @return {Deferred} new promise that is resolved with the html and js.\n         */\n        loadFragment: function(component, callback, contextid, params) {\n            var promise = $.Deferred();\n            loadFragment(component, callback, contextid, params).then(function(data) {\n                var jsNodes = $(data.javascript);\n                var allScript = '';\n                jsNodes.each(function(index, scriptNode) {\n                    scriptNode = $(scriptNode);\n                    var tagName = scriptNode.prop('tagName');\n                    if (tagName && (tagName.toLowerCase() == 'script')) {\n                        if (scriptNode.attr('src')) {\n                            // We only reload the script if it was not loaded already.\n                            var exists = false;\n                            $('script').each(function(index, s) {\n                                if ($(s).attr('src') == scriptNode.attr('src')) {\n                                    exists = true;\n                                }\n                                return !exists;\n                            });\n                            if (!exists) {\n                                allScript += ' { ';\n                                allScript += ' node = document.createElement(\"script\"); ';\n                                allScript += ' node.type = \"text/javascript\"; ';\n                                allScript += ' node.src = decodeURI(\"' + encodeURI(scriptNode.attr('src')) + '\"); ';\n                                allScript += ' document.getElementsByTagName(\"head\")[0].appendChild(node); ';\n                                allScript += ' } ';\n                            }\n                        } else {\n                            allScript += ' ' + scriptNode.text();\n                        }\n                    }\n                });\n                promise.resolve(data.html, allScript);\n                return;\n            }).fail(function(ex) {\n                promise.reject(ex);\n            });\n            return promise.promise();\n        }\n    };\n});\n"],"file":"fragment.min.js"}
\ No newline at end of file
+{"version":3,"file":"fragment.min.js","sources":["../src/fragment.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A way to call HTML fragments to be inserted as required via JavaScript.\n *\n * @module     core/fragment\n * @class      fragment\n * @package    core\n * @copyright  2016 Adrian Greeve <adrian@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax'], function($, ajax) {\n\n    /**\n     * Loads an HTML fragment through a callback.\n     *\n     * @method loadFragment\n     * @param {string} component Component where callback is located.\n     * @param {string} callback Callback function name.\n     * @param {integer} contextid Context ID of the fragment.\n     * @param {object} params Parameters for the callback.\n     * @return {Promise} JQuery promise object resolved when the fragment has been loaded.\n     */\n    var loadFragment = function(component, callback, contextid, params) {\n        // Change params into required webservice format.\n        var formattedparams = [];\n        for (var index in params) {\n            formattedparams.push({\n                name: index,\n                value: params[index]\n            });\n        }\n\n        return ajax.call([{\n            methodname: 'core_get_fragment',\n            args: {\n                component: component,\n                callback: callback,\n                contextid: contextid,\n                args: formattedparams\n            }\n        }])[0];\n    };\n\n    return /** @alias module:core/fragment */{\n        /**\n         * Appends HTML and JavaScript fragments to specified nodes.\n         * Callbacks called by this AMD module are responsible for doing the appropriate security checks\n         * to access the information that is returned. This only does minimal validation on the context.\n         *\n         * @method fragmentAppend\n         * @param {string} component Component where callback is located.\n         * @param {string} callback Callback function name.\n         * @param {integer} contextid Context ID of the fragment.\n         * @param {object} params Parameters for the callback.\n         * @return {Deferred} new promise that is resolved with the html and js.\n         */\n        loadFragment: function(component, callback, contextid, params) {\n            var promise = $.Deferred();\n            loadFragment(component, callback, contextid, params).then(function(data) {\n                var jsNodes = $(data.javascript);\n                var allScript = '';\n                jsNodes.each(function(index, scriptNode) {\n                    scriptNode = $(scriptNode);\n                    var tagName = scriptNode.prop('tagName');\n                    if (tagName && (tagName.toLowerCase() == 'script')) {\n                        if (scriptNode.attr('src')) {\n                            // We only reload the script if it was not loaded already.\n                            var exists = false;\n                            $('script').each(function(index, s) {\n                                if ($(s).attr('src') == scriptNode.attr('src')) {\n                                    exists = true;\n                                }\n                                return !exists;\n                            });\n                            if (!exists) {\n                                allScript += ' { ';\n                                allScript += ' node = document.createElement(\"script\"); ';\n                                allScript += ' node.type = \"text/javascript\"; ';\n                                allScript += ' node.src = decodeURI(\"' + encodeURI(scriptNode.attr('src')) + '\"); ';\n                                allScript += ' document.getElementsByTagName(\"head\")[0].appendChild(node); ';\n                                allScript += ' } ';\n                            }\n                        } else {\n                            allScript += ' ' + scriptNode.text();\n                        }\n                    }\n                });\n                promise.resolve(data.html, allScript);\n                return;\n            }).fail(function(ex) {\n                promise.reject(ex);\n            });\n            return promise.promise();\n        }\n    };\n});\n"],"names":["define","$","ajax","loadFragment","component","callback","contextid","params","promise","Deferred","formattedparams","index","push","name","value","call","methodname","args","then","data","jsNodes","javascript","allScript","each","scriptNode","tagName","prop","toLowerCase","attr","exists","s","encodeURI","text","resolve","html","fail","ex","reject"],"mappings":";;;;;;;;;;AAyBAA,uBAAO,CAAC,SAAU,cAAc,SAASC,EAAGC,YAiCC,CAarCC,aAAc,SAASC,UAAWC,SAAUC,UAAWC,YAC/CC,QAAUP,EAAEQ,kBAnCL,SAASL,UAAWC,SAAUC,UAAWC,YAEpDG,gBAAkB,OACjB,IAAIC,SAASJ,OACdG,gBAAgBE,KAAK,CACjBC,KAAMF,MACNG,MAAOP,OAAOI,gBAIfT,KAAKa,KAAK,CAAC,CACdC,WAAY,oBACZC,KAAM,CACFb,UAAWA,UACXC,SAAUA,SACVC,UAAWA,UACXW,KAAMP,oBAEV,GAkBAP,CAAaC,UAAWC,SAAUC,UAAWC,QAAQW,MAAK,SAASC,UAC3DC,QAAUnB,EAAEkB,KAAKE,YACjBC,UAAY,GAChBF,QAAQG,MAAK,SAASZ,MAAOa,gBAErBC,SADJD,WAAavB,EAAEuB,aACUE,KAAK,cAC1BD,SAAqC,UAAzBA,QAAQE,iBAChBH,WAAWI,KAAK,OAAQ,KAEpBC,QAAS,EACb5B,EAAE,UAAUsB,MAAK,SAASZ,MAAOmB,UACzB7B,EAAE6B,GAAGF,KAAK,QAAUJ,WAAWI,KAAK,SACpCC,QAAS,IAELA,UAEPA,SACDP,WAAa,MACbA,WAAa,6CACbA,WAAa,mCACbA,WAAa,0BAA4BS,UAAUP,WAAWI,KAAK,QAAU,OAC7EN,WAAa,gEACbA,WAAa,YAGjBA,WAAa,IAAME,WAAWQ,UAI1CxB,QAAQyB,QAAQd,KAAKe,KAAMZ,cAE5Ba,MAAK,SAASC,IACb5B,QAAQ6B,OAAOD,OAEZ5B,QAAQA"}
\ No newline at end of file
diff --git a/lib/amd/build/fullscreen.min.js b/lib/amd/build/fullscreen.min.js
index b227c0ae0c6..4d7da9b1dea 100644
--- a/lib/amd/build/fullscreen.min.js
+++ b/lib/amd/build/fullscreen.min.js
@@ -1,2 +1,3 @@
-define ("core/fullscreen",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.getElement=void 0;a.getElement=function getElement(){var a=null;if(document.fullscreenElement){a=document.fullscreenElement}else if(document.mozFullscreenElement){a=document.mozFullscreenElement}else if(document.msFullscreenElement){a=document.msFullscreenElement}else if(document.webkitFullscreenElement){a=document.webkitFullscreenElement}return a}});
-//# sourceMappingURL=fullscreen.min.js.map
+define("core/fullscreen",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.getElement=void 0;_exports.getElement=function(){var element=null;return document.fullscreenElement?element=document.fullscreenElement:document.mozFullscreenElement?element=document.mozFullscreenElement:document.msFullscreenElement?element=document.msFullscreenElement:document.webkitFullscreenElement&&(element=document.webkitFullscreenElement),element}}));
+
+//# sourceMappingURL=fullscreen.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/fullscreen.min.js.map b/lib/amd/build/fullscreen.min.js.map
index 82ff7a4b024..4d91f2aa4b3 100644
--- a/lib/amd/build/fullscreen.min.js.map
+++ b/lib/amd/build/fullscreen.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/fullscreen.js"],"names":["getElement","element","document","fullscreenElement","mozFullscreenElement","msFullscreenElement","webkitFullscreenElement"],"mappings":"iJA+B0B,QAAbA,CAAAA,UAAa,EAAM,CAC5B,GAAIC,CAAAA,CAAO,CAAG,IAAd,CACA,GAAIC,QAAQ,CAACC,iBAAb,CAAgC,CAC5BF,CAAO,CAAGC,QAAQ,CAACC,iBACtB,CAFD,IAEO,IAAID,QAAQ,CAACE,oBAAb,CAAmC,CAEtCH,CAAO,CAAGC,QAAQ,CAACE,oBACtB,CAHM,IAGA,IAAIF,QAAQ,CAACG,mBAAb,CAAkC,CAErCJ,CAAO,CAAGC,QAAQ,CAACG,mBACtB,CAHM,IAGA,IAAIH,QAAQ,CAACI,uBAAb,CAAsC,CAEzCL,CAAO,CAAGC,QAAQ,CAACI,uBACtB,CAED,MAAOL,CAAAA,CACV,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Detects if an element is fullscreen.\n *\n * @module     core/fullscreen\n * @class      fullscreen\n * @package    core\n * @copyright  2020 University of Nottingham\n * @author     Neill Magill <neill.magill@nottingham.ac.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Gets the element that is fullscreen or null if no element is fullscreen.\n *\n * @returns {HTMLElement}\n */\nexport const getElement = () => {\n    let element = null;\n    if (document.fullscreenElement) {\n        element = document.fullscreenElement;\n    } else if (document.mozFullscreenElement) {\n        // Fallback for older Firefox.\n        element = document.mozFullscreenElement;\n    } else if (document.msFullscreenElement) {\n        // Fallback for Edge and IE.\n        element = document.msFullscreenElement;\n    } else if (document.webkitFullscreenElement) {\n        // Fallback for Chrome, Edge and Safari.\n        element = document.webkitFullscreenElement;\n    }\n\n    return element;\n};\n"],"file":"fullscreen.min.js"}
\ No newline at end of file
+{"version":3,"file":"fullscreen.min.js","sources":["../src/fullscreen.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Detects if an element is fullscreen.\n *\n * @module     core/fullscreen\n * @class      fullscreen\n * @package    core\n * @copyright  2020 University of Nottingham\n * @author     Neill Magill <neill.magill@nottingham.ac.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Gets the element that is fullscreen or null if no element is fullscreen.\n *\n * @returns {HTMLElement}\n */\nexport const getElement = () => {\n    let element = null;\n    if (document.fullscreenElement) {\n        element = document.fullscreenElement;\n    } else if (document.mozFullscreenElement) {\n        // Fallback for older Firefox.\n        element = document.mozFullscreenElement;\n    } else if (document.msFullscreenElement) {\n        // Fallback for Edge and IE.\n        element = document.msFullscreenElement;\n    } else if (document.webkitFullscreenElement) {\n        // Fallback for Chrome, Edge and Safari.\n        element = document.webkitFullscreenElement;\n    }\n\n    return element;\n};\n"],"names":["element","document","fullscreenElement","mozFullscreenElement","msFullscreenElement","webkitFullscreenElement"],"mappings":"gKA+B0B,eAClBA,QAAU,YACVC,SAASC,kBACTF,QAAUC,SAASC,kBACZD,SAASE,qBAEhBH,QAAUC,SAASE,qBACZF,SAASG,oBAEhBJ,QAAUC,SAASG,oBACZH,SAASI,0BAEhBL,QAAUC,SAASI,yBAGhBL"}
\ No newline at end of file
diff --git a/lib/amd/build/icon_system.min.js b/lib/amd/build/icon_system.min.js
index 43fc3065c0b..93fe9b8cefb 100644
--- a/lib/amd/build/icon_system.min.js
+++ b/lib/amd/build/icon_system.min.js
@@ -1,2 +1,10 @@
-define ("core/icon_system",["jquery"],function(a){var b=function(){};b.prototype.init=function(){return a.when(this)};b.prototype.renderIcon=function(){throw new Error("Abstract function not implemented.")};b.prototype.getTemplateName=function(){throw new Error("Abstract function not implemented.")};return b});
-//# sourceMappingURL=icon_system.min.js.map
+/**
+ * Icon System base module.
+ *
+ * @package    core
+ * @copyright  2017 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/icon_system",["jquery"],(function($){var IconSystem=function(){};return IconSystem.prototype.init=function(){return $.when(this)},IconSystem.prototype.renderIcon=function(key,component,title,template){throw new Error("Abstract function not implemented.")},IconSystem.prototype.getTemplateName=function(){throw new Error("Abstract function not implemented.")},IconSystem}));
+
+//# sourceMappingURL=icon_system.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/icon_system.min.js.map b/lib/amd/build/icon_system.min.js.map
index 7f3b07bd70b..71e07d46adb 100644
--- a/lib/amd/build/icon_system.min.js.map
+++ b/lib/amd/build/icon_system.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/icon_system.js"],"names":["define","$","IconSystem","prototype","init","when","renderIcon","Error","getTemplateName"],"mappings":"AAuBAA,OAAM,oBAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAO3B,GAAIC,CAAAA,CAAU,CAAG,UAAW,CAC3B,CADD,CASAA,CAAU,CAACC,SAAX,CAAqBC,IAArB,CAA4B,UAAW,CACnC,MAAOH,CAAAA,CAAC,CAACI,IAAF,CAAO,IAAP,CACV,CAFD,CAoBAH,CAAU,CAACC,SAAX,CAAqBG,UAArB,CAAkC,UAA0C,CACxE,KAAM,IAAIC,CAAAA,KAAJ,CAAU,oCAAV,CACT,CAFD,CAUAL,CAAU,CAACC,SAAX,CAAqBK,eAArB,CAAuC,UAAW,CAC9C,KAAM,IAAID,CAAAA,KAAJ,CAAU,oCAAV,CACT,CAFD,CAIA,MAA6CL,CAAAA,CAChD,CAnDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Icon System base module.\n *\n * @package    core\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * Icon System abstract class.\n     *\n     * Any icon system needs to define a module extending this one and return this module name from the php icon_system class.\n     */\n    var IconSystem = function() {\n    };\n\n    /**\n     * Initialise the icon system.\n     *\n     * @return {Promise}\n     * @method init\n     */\n    IconSystem.prototype.init = function() {\n        return $.when(this);\n    };\n\n    /**\n     * Render an icon.\n     *\n     * The key, component and title come from either the pix mustache helper tag, or the call to templates.renderIcon.\n     * The template is the pre-loaded template string matching the template from getTemplateName() in this class.\n     * This function must return a string (not a promise) because it is used during the internal rendering of the mustache\n     * template (which is unfortunately synchronous). To render the mustache template in this function call\n     * core/mustache.render() directly and do not use any partials, blocks or helper functions in the template.\n     *\n     * @param {String} key\n     * @param {String} component\n     * @param {String} title\n     * @param {String} template\n     * @return {String}\n     * @method renderIcon\n     */\n    IconSystem.prototype.renderIcon = function(key, component, title, template) { // eslint-disable-line no-unused-vars\n        throw new Error('Abstract function not implemented.');\n    };\n\n    /**\n     * getTemplateName\n     *\n     * @return {String}\n     * @method getTemplateName\n     */\n    IconSystem.prototype.getTemplateName = function() {\n        throw new Error('Abstract function not implemented.');\n    };\n\n    return /** @alias module:core/icon_system */ IconSystem;\n});\n"],"file":"icon_system.min.js"}
\ No newline at end of file
+{"version":3,"file":"icon_system.min.js","sources":["../src/icon_system.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Icon System base module.\n *\n * @package    core\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * Icon System abstract class.\n     *\n     * Any icon system needs to define a module extending this one and return this module name from the php icon_system class.\n     */\n    var IconSystem = function() {\n    };\n\n    /**\n     * Initialise the icon system.\n     *\n     * @return {Promise}\n     * @method init\n     */\n    IconSystem.prototype.init = function() {\n        return $.when(this);\n    };\n\n    /**\n     * Render an icon.\n     *\n     * The key, component and title come from either the pix mustache helper tag, or the call to templates.renderIcon.\n     * The template is the pre-loaded template string matching the template from getTemplateName() in this class.\n     * This function must return a string (not a promise) because it is used during the internal rendering of the mustache\n     * template (which is unfortunately synchronous). To render the mustache template in this function call\n     * core/mustache.render() directly and do not use any partials, blocks or helper functions in the template.\n     *\n     * @param {String} key\n     * @param {String} component\n     * @param {String} title\n     * @param {String} template\n     * @return {String}\n     * @method renderIcon\n     */\n    IconSystem.prototype.renderIcon = function(key, component, title, template) { // eslint-disable-line no-unused-vars\n        throw new Error('Abstract function not implemented.');\n    };\n\n    /**\n     * getTemplateName\n     *\n     * @return {String}\n     * @method getTemplateName\n     */\n    IconSystem.prototype.getTemplateName = function() {\n        throw new Error('Abstract function not implemented.');\n    };\n\n    return /** @alias module:core/icon_system */ IconSystem;\n});\n"],"names":["define","$","IconSystem","prototype","init","when","this","renderIcon","key","component","title","template","Error","getTemplateName"],"mappings":";;;;;;;AAuBAA,0BAAO,CAAC,WAAW,SAASC,OAOpBC,WAAa,oBASjBA,WAAWC,UAAUC,KAAO,kBACjBH,EAAEI,KAAKC,OAmBlBJ,WAAWC,UAAUI,WAAa,SAASC,IAAKC,UAAWC,MAAOC,gBACxD,IAAIC,MAAM,uCASpBV,WAAWC,UAAUU,gBAAkB,iBAC7B,IAAID,MAAM,uCAGyBV"}
\ No newline at end of file
diff --git a/lib/amd/build/icon_system_fontawesome.min.js b/lib/amd/build/icon_system_fontawesome.min.js
index 10ffe0b6d6d..69b5a6e9d8d 100644
--- a/lib/amd/build/icon_system_fontawesome.min.js
+++ b/lib/amd/build/icon_system_fontawesome.min.js
@@ -1,2 +1,10 @@
-define ("core/icon_system_fontawesome",["core/icon_system","jquery","core/ajax","core/mustache","core/localstorage","core/url"],function(a,b,c,d,e,f){var g=null,h=null,i=function(){a.apply(this,arguments)};i.prototype=Object.create(a.prototype);i.prototype.init=function(){var a=M.cfg.theme;if(g){return b.when(this)}var d=e.get("core_iconsystem/theme/"+a+"/core/iconmap-fontawesome");if(d){d=JSON.parse(d)}if(d){g=d;return b.when(this)}if(null===h){h=c.call([{methodname:"core_output_load_fontawesome_icon_system_map",args:{themename:M.cfg.theme}}],!0,!1,!1,0,M.cfg.themerev)[0]}return h.then(function(c){g={};b.each(c,function(a,b){g[b.component+"/"+b.pix]=b.to});e.set("core_iconsystem/theme/"+a+"/core/iconmap-fontawesome",JSON.stringify(g));return this}.bind(this))};i.prototype.renderIcon=function(a,b,c,e){var h=g[b+"/"+a],i=!1;if("undefined"==typeof h){var j=f.imageUrl(a,b);i={attributes:[{name:"src",value:j},{name:"alt",value:c},{name:"title",value:c}]}}var k={key:h,title:c,alt:c,unmappedIcon:i};if("undefined"==typeof c||""===c){k["aria-hidden"]=!0}var l=d.render(e,k);return l.trim()};i.prototype.getTemplateName=function(){return"core/pix_icon_fontawesome"};return i});
-//# sourceMappingURL=icon_system_fontawesome.min.js.map
+/**
+ * Competency rule points module.
+ *
+ * @package    core
+ * @copyright  2017 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/icon_system_fontawesome",["core/icon_system","jquery","core/ajax","core/mustache","core/localstorage","core/url"],(function(IconSystem,$,Ajax,Mustache,LocalStorage,Url){var staticMap=null,fetchMap=null,IconSystemFontawesome=function(){IconSystem.apply(this,arguments)};return(IconSystemFontawesome.prototype=Object.create(IconSystem.prototype)).init=function(){var currTheme=M.cfg.theme;if(staticMap)return $.when(this);var map=LocalStorage.get("core_iconsystem/theme/"+currTheme+"/core/iconmap-fontawesome");return map&&(map=JSON.parse(map)),map?(staticMap=map,$.when(this)):(null===fetchMap&&(fetchMap=Ajax.call([{methodname:"core_output_load_fontawesome_icon_system_map",args:{themename:M.cfg.theme}}],!0,!1,!1,0,M.cfg.themerev)[0]),fetchMap.then(function(map){return staticMap={},$.each(map,(function(index,value){staticMap[value.component+"/"+value.pix]=value.to})),LocalStorage.set("core_iconsystem/theme/"+currTheme+"/core/iconmap-fontawesome",JSON.stringify(staticMap)),this}.bind(this)))},IconSystemFontawesome.prototype.renderIcon=function(key,component,title,template){var mappedIcon=staticMap[component+"/"+key],unmappedIcon=!1;void 0===mappedIcon&&(unmappedIcon={attributes:[{name:"src",value:Url.imageUrl(key,component)},{name:"alt",value:title},{name:"title",value:title}]});var context={key:mappedIcon,title:title,alt:title,unmappedIcon:unmappedIcon};return void 0!==title&&""!==title||(context["aria-hidden"]=!0),Mustache.render(template,context).trim()},IconSystemFontawesome.prototype.getTemplateName=function(){return"core/pix_icon_fontawesome"},IconSystemFontawesome}));
+
+//# sourceMappingURL=icon_system_fontawesome.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/icon_system_fontawesome.min.js.map b/lib/amd/build/icon_system_fontawesome.min.js.map
index 374c798bd73..5ed65c0a626 100644
--- a/lib/amd/build/icon_system_fontawesome.min.js.map
+++ b/lib/amd/build/icon_system_fontawesome.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/icon_system_fontawesome.js"],"names":["define","IconSystem","$","Ajax","Mustache","LocalStorage","Url","staticMap","fetchMap","IconSystemFontawesome","apply","arguments","prototype","Object","create","init","currTheme","M","cfg","theme","when","map","get","JSON","parse","call","methodname","args","themename","themerev","then","each","index","value","component","pix","to","set","stringify","bind","renderIcon","key","title","template","mappedIcon","unmappedIcon","url","imageUrl","attributes","name","context","alt","result","render","trim","getTemplateName"],"mappings":"AAuBAA,OAAM,gCAAC,CAAC,kBAAD,CAAqB,QAArB,CAA+B,WAA/B,CAA4C,eAA5C,CAA6D,mBAA7D,CAAkF,UAAlF,CAAD,CACE,SAASC,CAAT,CAAqBC,CAArB,CAAwBC,CAAxB,CAA8BC,CAA9B,CAAwCC,CAAxC,CAAsDC,CAAtD,CAA2D,IAE3DC,CAAAA,CAAS,CAAG,IAF+C,CAG3DC,CAAQ,CAAG,IAHgD,CAQ3DC,CAAqB,CAAG,UAAW,CACnCR,CAAU,CAACS,KAAX,CAAiB,IAAjB,CAAuBC,SAAvB,CACH,CAV8D,CAW/DF,CAAqB,CAACG,SAAtB,CAAkCC,MAAM,CAACC,MAAP,CAAcb,CAAU,CAACW,SAAzB,CAAlC,CAQAH,CAAqB,CAACG,SAAtB,CAAgCG,IAAhC,CAAuC,UAAW,CAC9C,GAAIC,CAAAA,CAAS,CAAGC,CAAC,CAACC,GAAF,CAAMC,KAAtB,CAEA,GAAIZ,CAAJ,CAAe,CACX,MAAOL,CAAAA,CAAC,CAACkB,IAAF,CAAO,IAAP,CACV,CAED,GAAIC,CAAAA,CAAG,CAAGhB,CAAY,CAACiB,GAAb,CAAiB,yBAA2BN,CAA3B,CAAuC,2BAAxD,CAAV,CACA,GAAIK,CAAJ,CAAS,CACLA,CAAG,CAAGE,IAAI,CAACC,KAAL,CAAWH,CAAX,CACT,CAED,GAAIA,CAAJ,CAAS,CACLd,CAAS,CAAGc,CAAZ,CACA,MAAOnB,CAAAA,CAAC,CAACkB,IAAF,CAAO,IAAP,CACV,CAED,GAAiB,IAAb,GAAAZ,CAAJ,CAAuB,CACnBA,CAAQ,CAAGL,CAAI,CAACsB,IAAL,CAAU,CAAC,CAClBC,UAAU,CAAE,8CADM,CAElBC,IAAI,CAAE,CACFC,SAAS,CAAEX,CAAC,CAACC,GAAF,CAAMC,KADf,CAFY,CAAD,CAAV,UAKa,CALb,CAKgBF,CAAC,CAACC,GAAF,CAAMW,QALtB,EAKgC,CALhC,CAMd,CAED,MAAOrB,CAAAA,CAAQ,CAACsB,IAAT,CAAc,SAAST,CAAT,CAAc,CAC/Bd,CAAS,CAAG,EAAZ,CACAL,CAAC,CAAC6B,IAAF,CAAOV,CAAP,CAAY,SAASW,CAAT,CAAgBC,CAAhB,CAAuB,CAC/B1B,CAAS,CAAC0B,CAAK,CAACC,SAAN,CAAkB,GAAlB,CAAwBD,CAAK,CAACE,GAA/B,CAAT,CAA+CF,CAAK,CAACG,EACxD,CAFD,EAGA/B,CAAY,CAACgC,GAAb,CAAiB,yBAA2BrB,CAA3B,CAAuC,2BAAxD,CAAqFO,IAAI,CAACe,SAAL,CAAe/B,CAAf,CAArF,EACA,MAAO,KACV,CAPoB,CAOnBgC,IAPmB,CAOd,IAPc,CAAd,CAQV,CAlCD,CA8CA9B,CAAqB,CAACG,SAAtB,CAAgC4B,UAAhC,CAA6C,SAASC,CAAT,CAAcP,CAAd,CAAyBQ,CAAzB,CAAgCC,CAAhC,CAA0C,IAC/EC,CAAAA,CAAU,CAAGrC,CAAS,CAAC2B,CAAS,CAAG,GAAZ,CAAkBO,CAAnB,CADyD,CAE/EI,CAAY,GAFmE,CAGnF,GAA0B,WAAtB,QAAOD,CAAAA,CAAX,CAAuC,CACnC,GAAIE,CAAAA,CAAG,CAAGxC,CAAG,CAACyC,QAAJ,CAAaN,CAAb,CAAkBP,CAAlB,CAAV,CAEAW,CAAY,CAAG,CACXG,UAAU,CAAE,CACR,CAACC,IAAI,CAAE,KAAP,CAAchB,KAAK,CAAEa,CAArB,CADQ,CAER,CAACG,IAAI,CAAE,KAAP,CAAchB,KAAK,CAAES,CAArB,CAFQ,CAGR,CAACO,IAAI,CAAE,OAAP,CAAgBhB,KAAK,CAAES,CAAvB,CAHQ,CADD,CAOlB,CAED,GAAIQ,CAAAA,CAAO,CAAG,CACVT,GAAG,CAAEG,CADK,CAEVF,KAAK,CAAEA,CAFG,CAGVS,GAAG,CAAET,CAHK,CAIVG,YAAY,CAAEA,CAJJ,CAAd,CAOA,GAAqB,WAAjB,QAAOH,CAAAA,CAAP,EAA0C,EAAV,GAAAA,CAApC,CAAkD,CAC9CQ,CAAO,CAAC,aAAD,CAAP,GACH,CAED,GAAIE,CAAAA,CAAM,CAAGhD,CAAQ,CAACiD,MAAT,CAAgBV,CAAhB,CAA0BO,CAA1B,CAAb,CACA,MAAOE,CAAAA,CAAM,CAACE,IAAP,EACV,CA5BD,CAoCA7C,CAAqB,CAACG,SAAtB,CAAgC2C,eAAhC,CAAkD,UAAW,CACzD,MAAO,2BACV,CAFD,CAIA,MAAyD9C,CAAAA,CAE5D,CA5GK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule points module.\n *\n * @package    core\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['core/icon_system', 'jquery', 'core/ajax', 'core/mustache', 'core/localstorage', 'core/url'],\n        function(IconSystem, $, Ajax, Mustache, LocalStorage, Url) {\n\n    var staticMap = null;\n    var fetchMap = null;\n\n    /**\n     * IconSystemFontawesome\n     */\n    var IconSystemFontawesome = function() {\n        IconSystem.apply(this, arguments);\n    };\n    IconSystemFontawesome.prototype = Object.create(IconSystem.prototype);\n\n    /**\n     * Prefetch resources so later calls to renderIcon can be resolved synchronously.\n     *\n     * @method init\n     * @return {Promise}\n     */\n    IconSystemFontawesome.prototype.init = function() {\n        var currTheme = M.cfg.theme;\n\n        if (staticMap) {\n            return $.when(this);\n        }\n\n        var map = LocalStorage.get('core_iconsystem/theme/' + currTheme + '/core/iconmap-fontawesome');\n        if (map) {\n            map = JSON.parse(map);\n        }\n\n        if (map) {\n            staticMap = map;\n            return $.when(this);\n        }\n\n        if (fetchMap === null) {\n            fetchMap = Ajax.call([{\n                methodname: 'core_output_load_fontawesome_icon_system_map',\n                args: {\n                    themename: M.cfg.theme,\n                },\n            }], true, false, false, 0, M.cfg.themerev)[0];\n        }\n\n        return fetchMap.then(function(map) {\n            staticMap = {};\n            $.each(map, function(index, value) {\n                staticMap[value.component + '/' + value.pix] = value.to;\n            });\n            LocalStorage.set('core_iconsystem/theme/' + currTheme + '/core/iconmap-fontawesome', JSON.stringify(staticMap));\n            return this;\n        }.bind(this));\n    };\n\n    /**\n     * Render an icon.\n     *\n     * @param {String} key\n     * @param {String} component\n     * @param {String} title\n     * @param {String} template\n     * @return {String}\n     * @method renderIcon\n     */\n    IconSystemFontawesome.prototype.renderIcon = function(key, component, title, template) {\n        var mappedIcon = staticMap[component + '/' + key];\n        var unmappedIcon = false;\n        if (typeof mappedIcon === \"undefined\") {\n            var url = Url.imageUrl(key, component);\n\n            unmappedIcon = {\n                attributes: [\n                    {name: 'src', value: url},\n                    {name: 'alt', value: title},\n                    {name: 'title', value: title}\n                ]\n            };\n        }\n\n        var context = {\n            key: mappedIcon,\n            title: title,\n            alt: title,\n            unmappedIcon: unmappedIcon\n        };\n\n        if (typeof title === \"undefined\" || title === '') {\n            context['aria-hidden'] = true;\n        }\n\n        var result = Mustache.render(template, context);\n        return result.trim();\n    };\n\n    /**\n     * Get the name of the template to pre-cache for this icon system.\n     *\n     * @return {String}\n     * @method getTemplateName\n     */\n    IconSystemFontawesome.prototype.getTemplateName = function() {\n        return 'core/pix_icon_fontawesome';\n    };\n\n    return /** @alias module:core/icon_system_fontawesome */ IconSystemFontawesome;\n\n});\n"],"file":"icon_system_fontawesome.min.js"}
\ No newline at end of file
+{"version":3,"file":"icon_system_fontawesome.min.js","sources":["../src/icon_system_fontawesome.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule points module.\n *\n * @package    core\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['core/icon_system', 'jquery', 'core/ajax', 'core/mustache', 'core/localstorage', 'core/url'],\n        function(IconSystem, $, Ajax, Mustache, LocalStorage, Url) {\n\n    var staticMap = null;\n    var fetchMap = null;\n\n    /**\n     * IconSystemFontawesome\n     */\n    var IconSystemFontawesome = function() {\n        IconSystem.apply(this, arguments);\n    };\n    IconSystemFontawesome.prototype = Object.create(IconSystem.prototype);\n\n    /**\n     * Prefetch resources so later calls to renderIcon can be resolved synchronously.\n     *\n     * @method init\n     * @return {Promise}\n     */\n    IconSystemFontawesome.prototype.init = function() {\n        var currTheme = M.cfg.theme;\n\n        if (staticMap) {\n            return $.when(this);\n        }\n\n        var map = LocalStorage.get('core_iconsystem/theme/' + currTheme + '/core/iconmap-fontawesome');\n        if (map) {\n            map = JSON.parse(map);\n        }\n\n        if (map) {\n            staticMap = map;\n            return $.when(this);\n        }\n\n        if (fetchMap === null) {\n            fetchMap = Ajax.call([{\n                methodname: 'core_output_load_fontawesome_icon_system_map',\n                args: {\n                    themename: M.cfg.theme,\n                },\n            }], true, false, false, 0, M.cfg.themerev)[0];\n        }\n\n        return fetchMap.then(function(map) {\n            staticMap = {};\n            $.each(map, function(index, value) {\n                staticMap[value.component + '/' + value.pix] = value.to;\n            });\n            LocalStorage.set('core_iconsystem/theme/' + currTheme + '/core/iconmap-fontawesome', JSON.stringify(staticMap));\n            return this;\n        }.bind(this));\n    };\n\n    /**\n     * Render an icon.\n     *\n     * @param {String} key\n     * @param {String} component\n     * @param {String} title\n     * @param {String} template\n     * @return {String}\n     * @method renderIcon\n     */\n    IconSystemFontawesome.prototype.renderIcon = function(key, component, title, template) {\n        var mappedIcon = staticMap[component + '/' + key];\n        var unmappedIcon = false;\n        if (typeof mappedIcon === \"undefined\") {\n            var url = Url.imageUrl(key, component);\n\n            unmappedIcon = {\n                attributes: [\n                    {name: 'src', value: url},\n                    {name: 'alt', value: title},\n                    {name: 'title', value: title}\n                ]\n            };\n        }\n\n        var context = {\n            key: mappedIcon,\n            title: title,\n            alt: title,\n            unmappedIcon: unmappedIcon\n        };\n\n        if (typeof title === \"undefined\" || title === '') {\n            context['aria-hidden'] = true;\n        }\n\n        var result = Mustache.render(template, context);\n        return result.trim();\n    };\n\n    /**\n     * Get the name of the template to pre-cache for this icon system.\n     *\n     * @return {String}\n     * @method getTemplateName\n     */\n    IconSystemFontawesome.prototype.getTemplateName = function() {\n        return 'core/pix_icon_fontawesome';\n    };\n\n    return /** @alias module:core/icon_system_fontawesome */ IconSystemFontawesome;\n\n});\n"],"names":["define","IconSystem","$","Ajax","Mustache","LocalStorage","Url","staticMap","fetchMap","IconSystemFontawesome","apply","this","arguments","prototype","Object","create","init","currTheme","M","cfg","theme","when","map","get","JSON","parse","call","methodname","args","themename","themerev","then","each","index","value","component","pix","to","set","stringify","bind","renderIcon","key","title","template","mappedIcon","unmappedIcon","attributes","name","imageUrl","context","alt","render","trim","getTemplateName"],"mappings":";;;;;;;AAuBAA,sCAAO,CAAC,mBAAoB,SAAU,YAAa,gBAAiB,oBAAqB,aACjF,SAASC,WAAYC,EAAGC,KAAMC,SAAUC,aAAcC,SAEtDC,UAAY,KACZC,SAAW,KAKXC,sBAAwB,WACxBR,WAAWS,MAAMC,KAAMC,mBAE3BH,sBAAsBI,UAAYC,OAAOC,OAAOd,WAAWY,YAQ3BG,KAAO,eAC/BC,UAAYC,EAAEC,IAAIC,SAElBb,iBACOL,EAAEmB,KAAKV,UAGdW,IAAMjB,aAAakB,IAAI,yBAA2BN,UAAY,oCAC9DK,MACAA,IAAME,KAAKC,MAAMH,MAGjBA,KACAf,UAAYe,IACLpB,EAAEmB,KAAKV,QAGD,OAAbH,WACAA,SAAWL,KAAKuB,KAAK,CAAC,CAClBC,WAAY,+CACZC,KAAM,CACFC,UAAWX,EAAEC,IAAIC,UAErB,GAAM,GAAO,EAAO,EAAGF,EAAEC,IAAIW,UAAU,IAGxCtB,SAASuB,KAAK,SAAST,YAC1Bf,UAAY,GACZL,EAAE8B,KAAKV,KAAK,SAASW,MAAOC,OACxB3B,UAAU2B,MAAMC,UAAY,IAAMD,MAAME,KAAOF,MAAMG,MAEzDhC,aAAaiC,IAAI,yBAA2BrB,UAAY,4BAA6BO,KAAKe,UAAUhC,YAC7FI,MACT6B,KAAK7B,SAaXF,sBAAsBI,UAAU4B,WAAa,SAASC,IAAKP,UAAWQ,MAAOC,cACrEC,WAAatC,UAAU4B,UAAY,IAAMO,KACzCI,cAAe,OACO,IAAfD,aAGPC,aAAe,CACXC,WAAY,CACR,CAACC,KAAM,MAAOd,MAJZ5B,IAAI2C,SAASP,IAAKP,YAKpB,CAACa,KAAM,MAAOd,MAAOS,OACrB,CAACK,KAAM,QAASd,MAAOS,cAK/BO,QAAU,CACVR,IAAKG,WACLF,MAAOA,MACPQ,IAAKR,MACLG,aAAcA,0BAGG,IAAVH,OAAmC,KAAVA,QAChCO,QAAQ,gBAAiB,GAGhB9C,SAASgD,OAAOR,SAAUM,SACzBG,QASlB5C,sBAAsBI,UAAUyC,gBAAkB,iBACvC,6BAG8C7C"}
\ No newline at end of file
diff --git a/lib/amd/build/icon_system_standard.min.js b/lib/amd/build/icon_system_standard.min.js
index 49b724dfc4f..bfd30e9486f 100644
--- a/lib/amd/build/icon_system_standard.min.js
+++ b/lib/amd/build/icon_system_standard.min.js
@@ -1,2 +1,10 @@
-define ("core/icon_system_standard",["core/icon_system","core/url","core/mustache"],function(a,b,c){var d=function(){a.apply(this,arguments)};d.prototype=Object.create(a.prototype);d.prototype.renderIcon=function(a,d,e,f){var g=b.imageUrl(a,d),h={attributes:[{name:"src",value:g},{name:"alt",value:e},{name:"title",value:e}]};if("undefined"==typeof e||""==e){h.attributes.push({name:"aria-hidden",value:"true"})}var i=c.render(f,h);return i.trim()};d.prototype.getTemplateName=function(){return"core/pix_icon"};return d});
-//# sourceMappingURL=icon_system_standard.min.js.map
+/**
+ * Competency rule points module.
+ *
+ * @package    core
+ * @copyright  2017 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/icon_system_standard",["core/icon_system","core/url","core/mustache"],(function(IconSystem,CoreUrl,Mustache){var IconSystemStandard=function(){IconSystem.apply(this,arguments)};return(IconSystemStandard.prototype=Object.create(IconSystem.prototype)).renderIcon=function(key,component,title,template){var templatecontext={attributes:[{name:"src",value:CoreUrl.imageUrl(key,component)},{name:"alt",value:title},{name:"title",value:title}]};return void 0!==title&&""!=title||templatecontext.attributes.push({name:"aria-hidden",value:"true"}),Mustache.render(template,templatecontext).trim()},IconSystemStandard.prototype.getTemplateName=function(){return"core/pix_icon"},IconSystemStandard}));
+
+//# sourceMappingURL=icon_system_standard.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/icon_system_standard.min.js.map b/lib/amd/build/icon_system_standard.min.js.map
index b208a955985..b49f92aa62e 100644
--- a/lib/amd/build/icon_system_standard.min.js.map
+++ b/lib/amd/build/icon_system_standard.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/icon_system_standard.js"],"names":["define","IconSystem","CoreUrl","Mustache","IconSystemStandard","apply","arguments","prototype","Object","create","renderIcon","key","component","title","template","url","imageUrl","templatecontext","attributes","name","value","push","result","render","trim","getTemplateName"],"mappings":"AAuBAA,OAAM,6BAAC,CAAC,kBAAD,CAAqB,UAArB,CAAiC,eAAjC,CAAD,CACE,SAASC,CAAT,CAAqBC,CAArB,CAA8BC,CAA9B,CAAwC,CAK5C,GAAIC,CAAAA,CAAkB,CAAG,UAAW,CAChCH,CAAU,CAACI,KAAX,CAAiB,IAAjB,CAAuBC,SAAvB,CACH,CAFD,CAGAF,CAAkB,CAACG,SAAnB,CAA+BC,MAAM,CAACC,MAAP,CAAcR,CAAU,CAACM,SAAzB,CAA/B,CAYAH,CAAkB,CAACG,SAAnB,CAA6BG,UAA7B,CAA0C,SAASC,CAAT,CAAcC,CAAd,CAAyBC,CAAzB,CAAgCC,CAAhC,CAA0C,IAC5EC,CAAAA,CAAG,CAAGb,CAAO,CAACc,QAAR,CAAiBL,CAAjB,CAAsBC,CAAtB,CADsE,CAG5EK,CAAe,CAAG,CAClBC,UAAU,CAAE,CACR,CAACC,IAAI,CAAE,KAAP,CAAcC,KAAK,CAAEL,CAArB,CADQ,CAER,CAACI,IAAI,CAAE,KAAP,CAAcC,KAAK,CAAEP,CAArB,CAFQ,CAGR,CAACM,IAAI,CAAE,OAAP,CAAgBC,KAAK,CAAEP,CAAvB,CAHQ,CADM,CAH0D,CAUhF,GAAqB,WAAjB,QAAOA,CAAAA,CAAP,EAAyC,EAAT,EAAAA,CAApC,CAAiD,CAC7CI,CAAe,CAACC,UAAhB,CAA2BG,IAA3B,CAAgC,CAACF,IAAI,CAAE,aAAP,CAAsBC,KAAK,CAAE,MAA7B,CAAhC,CACH,CAED,GAAIE,CAAAA,CAAM,CAAGnB,CAAQ,CAACoB,MAAT,CAAgBT,CAAhB,CAA0BG,CAA1B,CAAb,CACA,MAAOK,CAAAA,CAAM,CAACE,IAAP,EACV,CAhBD,CAwBApB,CAAkB,CAACG,SAAnB,CAA6BkB,eAA7B,CAA+C,UAAW,CACtD,MAAO,eACV,CAFD,CAIA,MAAsDrB,CAAAA,CAEzD,CAnDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule points module.\n *\n * @package    core\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['core/icon_system', 'core/url', 'core/mustache'],\n        function(IconSystem, CoreUrl, Mustache) {\n\n    /**\n     * IconSystemStandard\n     */\n    var IconSystemStandard = function() {\n        IconSystem.apply(this, arguments);\n    };\n    IconSystemStandard.prototype = Object.create(IconSystem.prototype);\n\n    /**\n     * Render an icon.\n     *\n     * @param {String} key\n     * @param {String} component\n     * @param {String} title\n     * @param {String} template\n     * @return {String}\n     * @method renderIcon\n     */\n    IconSystemStandard.prototype.renderIcon = function(key, component, title, template) {\n        var url = CoreUrl.imageUrl(key, component);\n\n        var templatecontext = {\n            attributes: [\n                {name: 'src', value: url},\n                {name: 'alt', value: title},\n                {name: 'title', value: title}\n            ]\n        };\n        if (typeof title === \"undefined\" || title == \"\") {\n            templatecontext.attributes.push({name: 'aria-hidden', value: 'true'});\n        }\n\n        var result = Mustache.render(template, templatecontext);\n        return result.trim();\n    };\n\n    /**\n     * Get the name of the template to pre-cache for this icon system.\n     *\n     * @return {String}\n     * @method getTemplateName\n     */\n    IconSystemStandard.prototype.getTemplateName = function() {\n        return 'core/pix_icon';\n    };\n\n    return /** @alias module:core/icon_system_standard */ IconSystemStandard;\n\n});\n"],"file":"icon_system_standard.min.js"}
\ No newline at end of file
+{"version":3,"file":"icon_system_standard.min.js","sources":["../src/icon_system_standard.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Competency rule points module.\n *\n * @package    core\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['core/icon_system', 'core/url', 'core/mustache'],\n        function(IconSystem, CoreUrl, Mustache) {\n\n    /**\n     * IconSystemStandard\n     */\n    var IconSystemStandard = function() {\n        IconSystem.apply(this, arguments);\n    };\n    IconSystemStandard.prototype = Object.create(IconSystem.prototype);\n\n    /**\n     * Render an icon.\n     *\n     * @param {String} key\n     * @param {String} component\n     * @param {String} title\n     * @param {String} template\n     * @return {String}\n     * @method renderIcon\n     */\n    IconSystemStandard.prototype.renderIcon = function(key, component, title, template) {\n        var url = CoreUrl.imageUrl(key, component);\n\n        var templatecontext = {\n            attributes: [\n                {name: 'src', value: url},\n                {name: 'alt', value: title},\n                {name: 'title', value: title}\n            ]\n        };\n        if (typeof title === \"undefined\" || title == \"\") {\n            templatecontext.attributes.push({name: 'aria-hidden', value: 'true'});\n        }\n\n        var result = Mustache.render(template, templatecontext);\n        return result.trim();\n    };\n\n    /**\n     * Get the name of the template to pre-cache for this icon system.\n     *\n     * @return {String}\n     * @method getTemplateName\n     */\n    IconSystemStandard.prototype.getTemplateName = function() {\n        return 'core/pix_icon';\n    };\n\n    return /** @alias module:core/icon_system_standard */ IconSystemStandard;\n\n});\n"],"names":["define","IconSystem","CoreUrl","Mustache","IconSystemStandard","apply","this","arguments","prototype","Object","create","renderIcon","key","component","title","template","templatecontext","attributes","name","value","imageUrl","push","render","trim","getTemplateName"],"mappings":";;;;;;;AAuBAA,mCAAO,CAAC,mBAAoB,WAAY,kBAChC,SAASC,WAAYC,QAASC,cAK9BC,mBAAqB,WACrBH,WAAWI,MAAMC,KAAMC,mBAE3BH,mBAAmBI,UAAYC,OAAOC,OAAOT,WAAWO,YAY3BG,WAAa,SAASC,IAAKC,UAAWC,MAAOC,cAGlEC,gBAAkB,CAClBC,WAAY,CACR,CAACC,KAAM,MAAOC,MAJZjB,QAAQkB,SAASR,IAAKC,YAKxB,CAACK,KAAM,MAAOC,MAAOL,OACrB,CAACI,KAAM,QAASC,MAAOL,qBAGV,IAAVA,OAAkC,IAATA,OAChCE,gBAAgBC,WAAWI,KAAK,CAACH,KAAM,cAAeC,MAAO,SAGpDhB,SAASmB,OAAOP,SAAUC,iBACzBO,QASlBnB,mBAAmBI,UAAUgB,gBAAkB,iBACpC,iBAG2CpB"}
\ No newline at end of file
diff --git a/lib/amd/build/inplace_editable.min.js b/lib/amd/build/inplace_editable.min.js
index c7381bb06c8..18cd48bb6ce 100644
--- a/lib/amd/build/inplace_editable.min.js
+++ b/lib/amd/build/inplace_editable.min.js
@@ -1,2 +1,18 @@
-define ("core/inplace_editable",["jquery","core/ajax","core/templates","core/notification","core/str","core/config","core/url","core/form-autocomplete","core/pending"],function(a,b,c,d,e,f,g,h,i){a("body").on("click keypress","[data-inplaceeditable] [data-inplaceeditablelink]",function(j){if("keypress"===j.type&&13!==j.keyCode){return}var k=new i("autocomplete-start-editing");j.stopImmediatePropagation();j.preventDefault();var l=a(this),m=l.closest("[data-inplaceeditable]"),n=function(b){b.addClass("updating");var c=b.find("img.spinner");if(c.length){c.show()}else{c=a("<img/>").attr("src",g.imageUrl("i/loading_small")).addClass("spinner").addClass("smallicon");b.append(c)}},o=function(a){a.removeClass("updating");a.find("img.spinner").hide()},p=function(f,g){var h=[f.attr("data-itemid"),f.attr("data-component"),f.attr("data-itemtype")].join("-"),j=new i(h);n(f);b.call([{methodname:"core_update_inplace_editable",args:{itemid:f.attr("data-itemid"),component:f.attr("data-component"),itemtype:f.attr("data-itemtype"),value:g}}])[0].then(function(b){return c.render("core/inplace_editable",b).then(function(d,e){var g=f.attr("data-value"),h=a(d);c.replaceNode(f,h,e);h.find("[data-inplaceeditablelink]").focus();h.trigger({type:"updated",ajaxreturn:b,oldvalue:g})})}).then(function(){return j.resolve()}).fail(function(b){var c=a.Event("updatefailed",{exception:b,newvalue:g});o(f);M.util.js_complete(h);f.trigger(c);if(!c.isDefaultPrevented()){d.exception(b)}})},q=function(a){a.find("input").off();a.find("select").off();a.html(a.attr("data-oldcontent"));a.removeAttr("data-oldcontent");a.removeClass("inplaceeditingon");a.find("[data-inplaceeditablelink]").focus()},r=function(b,c){var d=b,e;for(e=0;e<c;e++){d+=Math.floor(10*Math.random())+""}if(0===a("#"+d).length){return d}return r(b,c)},s=function(b){e.get_string("edittitleinstructions").done(function(c){var d=a("<span class=\"editinstructions\">"+c+"</span>").attr("id",r("id_editinstructions_",20)),e=a("<input type=\"text\"/>").attr("id",r("id_inplacevalue_",20)).attr("value",b.attr("data-value")).attr("aria-describedby",d.attr("id")).addClass("ignoredirty").addClass("form-control"),g=a("<label class=\"accesshide\">"+m.attr("data-editlabel")+"</label>").attr("for",e.attr("id"));b.html("").append(d).append(g).append(e);e.focus();e.select();e.on("keyup keypress focusout",function(a){if(f.behatsiterunning&&"focusout"===a.type){return}if("keypress"===a.type&&13===a.keyCode){var c=e.val();q(b);p(b,c)}if("keyup"===a.type&&27===a.keyCode||"focusout"===a.type){q(b)}})})},t=function(a,b){q(a);p(a,b)},u=function(b,c){var d,e=a("<select></select>").attr("id",r("id_inplacevalue_",20)).addClass("custom-select"),g=a("<label class=\"accesshide\">"+m.attr("data-editlabel")+"</label>").attr("for",e.attr("id"));for(d in c){e.append(a("<option>").attr("value",c[d].key).html(c[d].value))}e.val(b.attr("data-value"));b.html("").append(g).append(e);e.focus();e.select();e.on("keyup change focusout",function(a){if(f.behatsiterunning&&"focusout"===a.type){return}if("change"===a.type){var c=e.val();q(b);p(b,c)}if("keyup"===a.type&&27===a.keyCode||"focusout"===a.type){q(b)}})},v=function(b,f){var g,j=a("<select></select>").attr("id",r("id_inplacevalue_",20)).addClass("form-autocomplete-original-select").addClass("custom-select"),k=a("<label class=\"accesshide\">"+m.attr("data-editlabel")+"</label>").attr("for",j.attr("id")),l=f.options,n=f.attributes,o=a("<a href=\"#\"></a>"),s=a("<a href=\"#\"></a>");for(g in l){j.append(a("<option>").attr("value",l[g].key).html(l[g].value))}if(n.multiple){j.attr("multiple","true")}j.val(JSON.parse(b.attr("data-value")));e.get_string("savechanges","core").then(function(a){return c.renderPix("e/save","core",a)}).then(function(a){o.append(a)}).fail(d.exception);e.get_string("cancel","core").then(function(a){return c.renderPix("e/cancel","core",a)}).then(function(a){s.append(a)}).fail(d.exception);b.html("").append(k).append(j).append(o).append(s);j.focus();j.select();h.enhance(j,n.tags,n.ajax,n.placeholder,n.caseSensitive,n.showSuggestions,n.noSelectionString).then(function(){b.find("[role=combobox]").focus()}).fail(d.exception);j.on("keyup",function(a){if("keyup"===a.type&&27===a.keyCode||"focusout"===a.type){q(b)}});o.on("click",function(a){var c=JSON.stringify(j.val());j.empty();q(b);p(b,c);a.preventDefault()});s.on("click",function(a){j.empty();q(b);a.preventDefault()})};(function turnEditingOffEverywhere(){a("span.inplaceeditable.inplaceeditingon").each(function(){q(a(this))})})();(function turnEditingOn(b){b.addClass("inplaceeditingon");b.attr("data-oldcontent",b.html());var c=b.attr("data-type"),d=b.attr("data-options");if("toggle"===c){t(b,d)}else if("select"===c){u(b,a.parseJSON(d))}else if("autocomplete"===c){v(b,a.parseJSON(d))}else{s(b)}})(m);k.resolve()});return{}});
-//# sourceMappingURL=inplace_editable.min.js.map
+/**
+ * AJAX helper for the inline editing a value.
+ *
+ * This script is automatically included from template core/inplace_editable
+ * It registers a click-listener on [data-inplaceeditablelink] link (the "inplace edit" icon),
+ * then replaces the displayed value with an input field. On "Enter" it sends a request
+ * to web service core_update_inplace_editable, which invokes the specified callback.
+ * Any exception thrown by the web service (or callback) is displayed as an error popup.
+ *
+ * @module     core/inplace_editable
+ * @package    core
+ * @copyright  2016 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("core/inplace_editable",["jquery","core/ajax","core/templates","core/notification","core/str","core/config","core/url","core/form-autocomplete","core/pending"],(function($,ajax,templates,notification,str,cfg,url,autocomplete,Pending){return $("body").on("click keypress","[data-inplaceeditable] [data-inplaceeditablelink]",(function(e){if("keypress"!==e.type||13===e.keyCode){var editingEnabledPromise=new Pending("autocomplete-start-editing");e.stopImmediatePropagation(),e.preventDefault();var mainelement=$(this).closest("[data-inplaceeditable]"),updateValue=function(mainelement,value){var pendingId=[mainelement.attr("data-itemid"),mainelement.attr("data-component"),mainelement.attr("data-itemtype")].join("-"),pendingPromise=new Pending(pendingId);!function(element){element.addClass("updating");var spinner=element.find("img.spinner");spinner.length?spinner.show():(spinner=$("<img/>").attr("src",url.imageUrl("i/loading_small")).addClass("spinner").addClass("smallicon"),element.append(spinner))}(mainelement),ajax.call([{methodname:"core_update_inplace_editable",args:{itemid:mainelement.attr("data-itemid"),component:mainelement.attr("data-component"),itemtype:mainelement.attr("data-itemtype"),value:value}}])[0].then((function(data){return templates.render("core/inplace_editable",data).then((function(html,js){var oldvalue=mainelement.attr("data-value"),newelement=$(html);templates.replaceNode(mainelement,newelement,js),newelement.find("[data-inplaceeditablelink]").focus(),newelement.trigger({type:"updated",ajaxreturn:data,oldvalue:oldvalue})}))})).then((function(){return pendingPromise.resolve()})).fail((function(ex){var element,e=$.Event("updatefailed",{exception:ex,newvalue:value});(element=mainelement).removeClass("updating"),element.find("img.spinner").hide(),M.util.js_complete(pendingId),mainelement.trigger(e),e.isDefaultPrevented()||notification.exception(ex)}))},turnEditingOff=function(el){el.find("input").off(),el.find("select").off(),el.html(el.attr("data-oldcontent")),el.removeAttr("data-oldcontent"),el.removeClass("inplaceeditingon"),el.find("[data-inplaceeditablelink]").focus()},uniqueId=function uniqueId(prefix,idlength){var i,uniqid=prefix;for(i=0;i<idlength;i++)uniqid+=String(Math.floor(10*Math.random()));return 0===$("#"+uniqid).length?uniqid:uniqueId(prefix,idlength)};$("span.inplaceeditable.inplaceeditingon").each((function(){turnEditingOff($(this))})),function(el){el.addClass("inplaceeditingon"),el.attr("data-oldcontent",el.html());var type=el.attr("data-type"),options=el.attr("data-options");"toggle"===type?function(el,newvalue){turnEditingOff(el),updateValue(el,newvalue)}(el,options):"select"===type?function(el,options){var i,inputelement=$("<select></select>").attr("id",uniqueId("id_inplacevalue_",20)).addClass("custom-select"),lbl=$('<label class="accesshide">'+mainelement.attr("data-editlabel")+"</label>").attr("for",inputelement.attr("id"));for(i in options)inputelement.append($("<option>").attr("value",options[i].key).html(options[i].value));inputelement.val(el.attr("data-value")),el.html("").append(lbl).append(inputelement),inputelement.focus(),inputelement.select(),inputelement.on("keyup change focusout",(function(e){if(!cfg.behatsiterunning||"focusout"!==e.type){if("change"===e.type){var val=inputelement.val();turnEditingOff(el),updateValue(el,val)}("keyup"===e.type&&27===e.keyCode||"focusout"===e.type)&&turnEditingOff(el)}}))}(el,$.parseJSON(options)):"autocomplete"===type?function(el,args){var i,inputelement=$("<select></select>").attr("id",uniqueId("id_inplacevalue_",20)).addClass("form-autocomplete-original-select").addClass("custom-select"),lbl=$('<label class="accesshide">'+mainelement.attr("data-editlabel")+"</label>").attr("for",inputelement.attr("id")),options=args.options,attributes=args.attributes,saveelement=$('<a href="#"></a>'),cancelelement=$('<a href="#"></a>');for(i in options)inputelement.append($("<option>").attr("value",options[i].key).html(options[i].value));attributes.multiple&&inputelement.attr("multiple","true"),inputelement.val(JSON.parse(el.attr("data-value"))),str.get_string("savechanges","core").then((function(s){return templates.renderPix("e/save","core",s)})).then((function(html){saveelement.append(html)})).fail(notification.exception),str.get_string("cancel","core").then((function(s){return templates.renderPix("e/cancel","core",s)})).then((function(html){cancelelement.append(html)})).fail(notification.exception),el.html("").append(lbl).append(inputelement).append(saveelement).append(cancelelement),inputelement.focus(),inputelement.select(),autocomplete.enhance(inputelement,attributes.tags,attributes.ajax,attributes.placeholder,attributes.caseSensitive,attributes.showSuggestions,attributes.noSelectionString).then((function(){el.find("[role=combobox]").focus()})).fail(notification.exception),inputelement.on("keyup",(function(e){("keyup"===e.type&&27===e.keyCode||"focusout"===e.type)&&turnEditingOff(el)})),saveelement.on("click",(function(e){var val=JSON.stringify(inputelement.val());inputelement.empty(),turnEditingOff(el),updateValue(el,val),e.preventDefault()})),cancelelement.on("click",(function(e){inputelement.empty(),turnEditingOff(el),e.preventDefault()}))}(el,$.parseJSON(options)):function(el){str.get_string("edittitleinstructions").done((function(s){var instr=$('<span class="editinstructions">'+s+"</span>").attr("id",uniqueId("id_editinstructions_",20)),inputelement=$('<input type="text"/>').attr("id",uniqueId("id_inplacevalue_",20)).attr("value",el.attr("data-value")).attr("aria-describedby",instr.attr("id")).addClass("ignoredirty").addClass("form-control"),lbl=$('<label class="accesshide">'+mainelement.attr("data-editlabel")+"</label>").attr("for",inputelement.attr("id"));el.html("").append(instr).append(lbl).append(inputelement),inputelement.focus(),inputelement.select(),inputelement.on("keyup keypress focusout",(function(e){if(!cfg.behatsiterunning||"focusout"!==e.type){if("keypress"===e.type&&13===e.keyCode){var val=inputelement.val();turnEditingOff(el),updateValue(el,val)}("keyup"===e.type&&27===e.keyCode||"focusout"===e.type)&&turnEditingOff(el)}}))}))}(el)}(mainelement),editingEnabledPromise.resolve()}})),{}}));
+
+//# sourceMappingURL=inplace_editable.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/inplace_editable.min.js.map b/lib/amd/build/inplace_editable.min.js.map
index 9c78a79172d..80c16c39b45 100644
--- a/lib/amd/build/inplace_editable.min.js.map
+++ b/lib/amd/build/inplace_editable.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AJAX helper for the inline editing a value.\n *\n * This script is automatically included from template core/inplace_editable\n * It registers a click-listener on [data-inplaceeditablelink] link (the \"inplace edit\" icon),\n * then replaces the displayed value with an input field. On \"Enter\" it sends a request\n * to web service core_update_inplace_editable, which invokes the specified callback.\n * Any exception thrown by the web service (or callback) is displayed as an error popup.\n *\n * @module     core/inplace_editable\n * @package    core\n * @copyright  2016 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery',\n        'core/ajax',\n        'core/templates',\n        'core/notification',\n        'core/str',\n        'core/config',\n        'core/url',\n        'core/form-autocomplete',\n        'core/pending',\n    ],\n    function($, ajax, templates, notification, str, cfg, url, autocomplete, Pending) {\n\n    $('body').on('click keypress', '[data-inplaceeditable] [data-inplaceeditablelink]', function(e) {\n        if (e.type === 'keypress' && e.keyCode !== 13) {\n            return;\n        }\n        var editingEnabledPromise = new Pending('autocomplete-start-editing');\n        e.stopImmediatePropagation();\n        e.preventDefault();\n        var target = $(this),\n            mainelement = target.closest('[data-inplaceeditable]');\n\n        var addSpinner = function(element) {\n            element.addClass('updating');\n            var spinner = element.find('img.spinner');\n            if (spinner.length) {\n                spinner.show();\n            } else {\n                spinner = $('<img/>')\n                        .attr('src', url.imageUrl('i/loading_small'))\n                        .addClass('spinner').addClass('smallicon')\n                    ;\n                element.append(spinner);\n            }\n        };\n\n        var removeSpinner = function(element) {\n            element.removeClass('updating');\n            element.find('img.spinner').hide();\n        };\n\n        var updateValue = function(mainelement, value) {\n            var pendingId = [\n                    mainelement.attr('data-itemid'),\n                    mainelement.attr('data-component'),\n                    mainelement.attr('data-itemtype'),\n                ].join('-');\n            var pendingPromise = new Pending(pendingId);\n\n            addSpinner(mainelement);\n            ajax.call([{\n                methodname: 'core_update_inplace_editable',\n                args: {\n                    itemid: mainelement.attr('data-itemid'),\n                    component: mainelement.attr('data-component'),\n                    itemtype: mainelement.attr('data-itemtype'),\n                    value: value,\n                },\n            }])[0]\n            .then(function(data) {\n                return templates.render('core/inplace_editable', data)\n                .then(function(html, js) {\n                    var oldvalue = mainelement.attr('data-value');\n                    var newelement = $(html);\n                    templates.replaceNode(mainelement, newelement, js);\n                    newelement.find('[data-inplaceeditablelink]').focus();\n                    newelement.trigger({\n                        type: 'updated',\n                        ajaxreturn: data,\n                        oldvalue: oldvalue,\n                    });\n\n                    return;\n                });\n            })\n            .then(function() {\n                return pendingPromise.resolve();\n            })\n            .fail(function(ex) {\n                var e = $.Event('updatefailed', {\n                        exception: ex,\n                        newvalue: value\n                    });\n                removeSpinner(mainelement);\n                M.util.js_complete(pendingId);\n                mainelement.trigger(e);\n                if (!e.isDefaultPrevented()) {\n                    notification.exception(ex);\n                }\n            });\n        };\n\n        var turnEditingOff = function(el) {\n            el.find('input').off();\n            el.find('select').off();\n            el.html(el.attr('data-oldcontent'));\n            el.removeAttr('data-oldcontent');\n            el.removeClass('inplaceeditingon');\n            el.find('[data-inplaceeditablelink]').focus();\n        };\n\n        var turnEditingOffEverywhere = function() {\n            $('span.inplaceeditable.inplaceeditingon').each(function() {\n                turnEditingOff($(this));\n            });\n        };\n\n        var uniqueId = function(prefix, idlength) {\n            var uniqid = prefix,\n                i;\n            for (i = 0; i < idlength; i++) {\n                uniqid += String(Math.floor(Math.random() * 10));\n            }\n            // Make sure this ID is not already taken by an existing element.\n            if ($(\"#\" + uniqid).length === 0) {\n                return uniqid;\n            }\n            return uniqueId(prefix, idlength);\n        };\n\n        var turnEditingOnText = function(el) {\n            str.get_string('edittitleinstructions').done(function(s) {\n                var instr = $('<span class=\"editinstructions\">' + s + '</span>').\n                        attr('id', uniqueId('id_editinstructions_', 20)),\n                    inputelement = $('<input type=\"text\"/>').\n                        attr('id', uniqueId('id_inplacevalue_', 20)).\n                        attr('value', el.attr('data-value')).\n                        attr('aria-describedby', instr.attr('id')).\n                        addClass('ignoredirty').\n                        addClass('form-control'),\n                    lbl = $('<label class=\"accesshide\">' + mainelement.attr('data-editlabel') + '</label>').\n                        attr('for', inputelement.attr('id'));\n                el.html('').append(instr).append(lbl).append(inputelement);\n\n                inputelement.focus();\n                inputelement.select();\n                inputelement.on('keyup keypress focusout', function(e) {\n                    if (cfg.behatsiterunning && e.type === 'focusout') {\n                        // Behat triggers focusout too often.\n                        return;\n                    }\n                    if (e.type === 'keypress' && e.keyCode === 13) {\n                        // We need 'keypress' event for Enter because keyup/keydown would catch Enter that was\n                        // pressed in other fields.\n                        var val = inputelement.val();\n                        turnEditingOff(el);\n                        updateValue(el, val);\n                    }\n                    if ((e.type === 'keyup' && e.keyCode === 27) || e.type === 'focusout') {\n                        // We need 'keyup' event for Escape because keypress does not work with Escape.\n                        turnEditingOff(el);\n                    }\n                });\n            });\n        };\n\n        var turnEditingOnToggle = function(el, newvalue) {\n            turnEditingOff(el);\n            updateValue(el, newvalue);\n        };\n\n        var turnEditingOnSelect = function(el, options) {\n            var i,\n                inputelement = $('<select></select>').\n                    attr('id', uniqueId('id_inplacevalue_', 20)).\n                    addClass('custom-select'),\n                lbl = $('<label class=\"accesshide\">' + mainelement.attr('data-editlabel') + '</label>')\n                    .attr('for', inputelement.attr('id'));\n            for (i in options) {\n                inputelement\n                    .append($('<option>')\n                    .attr('value', options[i].key)\n                    .html(options[i].value));\n            }\n            inputelement.val(el.attr('data-value'));\n\n            el.html('')\n                .append(lbl)\n                .append(inputelement);\n\n            inputelement.focus();\n            inputelement.select();\n            inputelement.on('keyup change focusout', function(e) {\n                if (cfg.behatsiterunning && e.type === 'focusout') {\n                    // Behat triggers focusout too often.\n                    return;\n                }\n                if (e.type === 'change') {\n                    var val = inputelement.val();\n                    turnEditingOff(el);\n                    updateValue(el, val);\n                }\n                if ((e.type === 'keyup' && e.keyCode === 27) || e.type === 'focusout') {\n                    // We need 'keyup' event for Escape because keypress does not work with Escape.\n                    turnEditingOff(el);\n                }\n            });\n        };\n\n        var turnEditingOnAutocomplete = function(el, args) {\n            var i,\n                inputelement = $('<select></select>').\n                    attr('id', uniqueId('id_inplacevalue_', 20)).\n                    addClass('form-autocomplete-original-select').\n                    addClass('custom-select'),\n                lbl = $('<label class=\"accesshide\">' + mainelement.attr('data-editlabel') + '</label>')\n                    .attr('for', inputelement.attr('id')),\n                options = args.options,\n                attributes = args.attributes,\n                saveelement = $('<a href=\"#\"></a>'),\n                cancelelement = $('<a href=\"#\"></a>');\n\n            for (i in options) {\n                inputelement\n                    .append($('<option>')\n                    .attr('value', options[i].key)\n                    .html(options[i].value));\n            }\n            if (attributes.multiple) {\n                inputelement.attr('multiple', 'true');\n            }\n            inputelement.val(JSON.parse(el.attr('data-value')));\n\n            str.get_string('savechanges', 'core').then(function(s) {\n                return templates.renderPix('e/save', 'core', s);\n            }).then(function(html) {\n                saveelement.append(html);\n                return;\n            }).fail(notification.exception);\n\n            str.get_string('cancel', 'core').then(function(s) {\n                return templates.renderPix('e/cancel', 'core', s);\n            }).then(function(html) {\n                cancelelement.append(html);\n                return;\n            }).fail(notification.exception);\n\n            el.html('')\n                .append(lbl)\n                .append(inputelement)\n                .append(saveelement)\n                .append(cancelelement);\n\n            inputelement.focus();\n            inputelement.select();\n            autocomplete.enhance(inputelement,\n                                 attributes.tags,\n                                 attributes.ajax,\n                                 attributes.placeholder,\n                                 attributes.caseSensitive,\n                                 attributes.showSuggestions,\n                                 attributes.noSelectionString)\n                .then(function() {\n                // Focus on the enhanced combobox.\n                el.find('[role=combobox]').focus();\n                // Stop eslint nagging.\n                return;\n            }).fail(notification.exception);\n\n            inputelement.on('keyup', function(e) {\n                if ((e.type === 'keyup' && e.keyCode === 27) || e.type === 'focusout') {\n                    // We need 'keyup' event for Escape because keypress does not work with Escape.\n                    turnEditingOff(el);\n                }\n            });\n            saveelement.on('click', function(e) {\n                var val = JSON.stringify(inputelement.val());\n                // We need to empty the node to destroy all event handlers etc.\n                inputelement.empty();\n                turnEditingOff(el);\n                updateValue(el, val);\n                e.preventDefault();\n            });\n            cancelelement.on('click', function(e) {\n                // We need to empty the node to destroy all event handlers etc.\n                inputelement.empty();\n                turnEditingOff(el);\n                e.preventDefault();\n            });\n        };\n\n        var turnEditingOn = function(el) {\n            el.addClass('inplaceeditingon');\n            el.attr('data-oldcontent', el.html());\n\n            var type = el.attr('data-type');\n            var options = el.attr('data-options');\n\n            if (type === 'toggle') {\n                turnEditingOnToggle(el, options);\n            } else if (type === 'select') {\n                turnEditingOnSelect(el, $.parseJSON(options));\n            } else if (type === 'autocomplete') {\n                turnEditingOnAutocomplete(el, $.parseJSON(options));\n            } else {\n                turnEditingOnText(el);\n            }\n        };\n\n        // Turn editing on for the current element and register handler for Enter/Esc keys.\n        turnEditingOffEverywhere();\n        turnEditingOn(mainelement);\n        editingEnabledPromise.resolve();\n\n    });\n\n    return {};\n});\n"],"file":"inplace_editable.min.js"}
\ No newline at end of file
+{"version":3,"file":"inplace_editable.min.js","sources":["../src/inplace_editable.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AJAX helper for the inline editing a value.\n *\n * This script is automatically included from template core/inplace_editable\n * It registers a click-listener on [data-inplaceeditablelink] link (the \"inplace edit\" icon),\n * then replaces the displayed value with an input field. On \"Enter\" it sends a request\n * to web service core_update_inplace_editable, which invokes the specified callback.\n * Any exception thrown by the web service (or callback) is displayed as an error popup.\n *\n * @module     core/inplace_editable\n * @package    core\n * @copyright  2016 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery',\n        'core/ajax',\n        'core/templates',\n        'core/notification',\n        'core/str',\n        'core/config',\n        'core/url',\n        'core/form-autocomplete',\n        'core/pending',\n    ],\n    function($, ajax, templates, notification, str, cfg, url, autocomplete, Pending) {\n\n    $('body').on('click keypress', '[data-inplaceeditable] [data-inplaceeditablelink]', function(e) {\n        if (e.type === 'keypress' && e.keyCode !== 13) {\n            return;\n        }\n        var editingEnabledPromise = new Pending('autocomplete-start-editing');\n        e.stopImmediatePropagation();\n        e.preventDefault();\n        var target = $(this),\n            mainelement = target.closest('[data-inplaceeditable]');\n\n        var addSpinner = function(element) {\n            element.addClass('updating');\n            var spinner = element.find('img.spinner');\n            if (spinner.length) {\n                spinner.show();\n            } else {\n                spinner = $('<img/>')\n                        .attr('src', url.imageUrl('i/loading_small'))\n                        .addClass('spinner').addClass('smallicon')\n                    ;\n                element.append(spinner);\n            }\n        };\n\n        var removeSpinner = function(element) {\n            element.removeClass('updating');\n            element.find('img.spinner').hide();\n        };\n\n        var updateValue = function(mainelement, value) {\n            var pendingId = [\n                    mainelement.attr('data-itemid'),\n                    mainelement.attr('data-component'),\n                    mainelement.attr('data-itemtype'),\n                ].join('-');\n            var pendingPromise = new Pending(pendingId);\n\n            addSpinner(mainelement);\n            ajax.call([{\n                methodname: 'core_update_inplace_editable',\n                args: {\n                    itemid: mainelement.attr('data-itemid'),\n                    component: mainelement.attr('data-component'),\n                    itemtype: mainelement.attr('data-itemtype'),\n                    value: value,\n                },\n            }])[0]\n            .then(function(data) {\n                return templates.render('core/inplace_editable', data)\n                .then(function(html, js) {\n                    var oldvalue = mainelement.attr('data-value');\n                    var newelement = $(html);\n                    templates.replaceNode(mainelement, newelement, js);\n                    newelement.find('[data-inplaceeditablelink]').focus();\n                    newelement.trigger({\n                        type: 'updated',\n                        ajaxreturn: data,\n                        oldvalue: oldvalue,\n                    });\n\n                    return;\n                });\n            })\n            .then(function() {\n                return pendingPromise.resolve();\n            })\n            .fail(function(ex) {\n                var e = $.Event('updatefailed', {\n                        exception: ex,\n                        newvalue: value\n                    });\n                removeSpinner(mainelement);\n                M.util.js_complete(pendingId);\n                mainelement.trigger(e);\n                if (!e.isDefaultPrevented()) {\n                    notification.exception(ex);\n                }\n            });\n        };\n\n        var turnEditingOff = function(el) {\n            el.find('input').off();\n            el.find('select').off();\n            el.html(el.attr('data-oldcontent'));\n            el.removeAttr('data-oldcontent');\n            el.removeClass('inplaceeditingon');\n            el.find('[data-inplaceeditablelink]').focus();\n        };\n\n        var turnEditingOffEverywhere = function() {\n            $('span.inplaceeditable.inplaceeditingon').each(function() {\n                turnEditingOff($(this));\n            });\n        };\n\n        var uniqueId = function(prefix, idlength) {\n            var uniqid = prefix,\n                i;\n            for (i = 0; i < idlength; i++) {\n                uniqid += String(Math.floor(Math.random() * 10));\n            }\n            // Make sure this ID is not already taken by an existing element.\n            if ($(\"#\" + uniqid).length === 0) {\n                return uniqid;\n            }\n            return uniqueId(prefix, idlength);\n        };\n\n        var turnEditingOnText = function(el) {\n            str.get_string('edittitleinstructions').done(function(s) {\n                var instr = $('<span class=\"editinstructions\">' + s + '</span>').\n                        attr('id', uniqueId('id_editinstructions_', 20)),\n                    inputelement = $('<input type=\"text\"/>').\n                        attr('id', uniqueId('id_inplacevalue_', 20)).\n                        attr('value', el.attr('data-value')).\n                        attr('aria-describedby', instr.attr('id')).\n                        addClass('ignoredirty').\n                        addClass('form-control'),\n                    lbl = $('<label class=\"accesshide\">' + mainelement.attr('data-editlabel') + '</label>').\n                        attr('for', inputelement.attr('id'));\n                el.html('').append(instr).append(lbl).append(inputelement);\n\n                inputelement.focus();\n                inputelement.select();\n                inputelement.on('keyup keypress focusout', function(e) {\n                    if (cfg.behatsiterunning && e.type === 'focusout') {\n                        // Behat triggers focusout too often.\n                        return;\n                    }\n                    if (e.type === 'keypress' && e.keyCode === 13) {\n                        // We need 'keypress' event for Enter because keyup/keydown would catch Enter that was\n                        // pressed in other fields.\n                        var val = inputelement.val();\n                        turnEditingOff(el);\n                        updateValue(el, val);\n                    }\n                    if ((e.type === 'keyup' && e.keyCode === 27) || e.type === 'focusout') {\n                        // We need 'keyup' event for Escape because keypress does not work with Escape.\n                        turnEditingOff(el);\n                    }\n                });\n            });\n        };\n\n        var turnEditingOnToggle = function(el, newvalue) {\n            turnEditingOff(el);\n            updateValue(el, newvalue);\n        };\n\n        var turnEditingOnSelect = function(el, options) {\n            var i,\n                inputelement = $('<select></select>').\n                    attr('id', uniqueId('id_inplacevalue_', 20)).\n                    addClass('custom-select'),\n                lbl = $('<label class=\"accesshide\">' + mainelement.attr('data-editlabel') + '</label>')\n                    .attr('for', inputelement.attr('id'));\n            for (i in options) {\n                inputelement\n                    .append($('<option>')\n                    .attr('value', options[i].key)\n                    .html(options[i].value));\n            }\n            inputelement.val(el.attr('data-value'));\n\n            el.html('')\n                .append(lbl)\n                .append(inputelement);\n\n            inputelement.focus();\n            inputelement.select();\n            inputelement.on('keyup change focusout', function(e) {\n                if (cfg.behatsiterunning && e.type === 'focusout') {\n                    // Behat triggers focusout too often.\n                    return;\n                }\n                if (e.type === 'change') {\n                    var val = inputelement.val();\n                    turnEditingOff(el);\n                    updateValue(el, val);\n                }\n                if ((e.type === 'keyup' && e.keyCode === 27) || e.type === 'focusout') {\n                    // We need 'keyup' event for Escape because keypress does not work with Escape.\n                    turnEditingOff(el);\n                }\n            });\n        };\n\n        var turnEditingOnAutocomplete = function(el, args) {\n            var i,\n                inputelement = $('<select></select>').\n                    attr('id', uniqueId('id_inplacevalue_', 20)).\n                    addClass('form-autocomplete-original-select').\n                    addClass('custom-select'),\n                lbl = $('<label class=\"accesshide\">' + mainelement.attr('data-editlabel') + '</label>')\n                    .attr('for', inputelement.attr('id')),\n                options = args.options,\n                attributes = args.attributes,\n                saveelement = $('<a href=\"#\"></a>'),\n                cancelelement = $('<a href=\"#\"></a>');\n\n            for (i in options) {\n                inputelement\n                    .append($('<option>')\n                    .attr('value', options[i].key)\n                    .html(options[i].value));\n            }\n            if (attributes.multiple) {\n                inputelement.attr('multiple', 'true');\n            }\n            inputelement.val(JSON.parse(el.attr('data-value')));\n\n            str.get_string('savechanges', 'core').then(function(s) {\n                return templates.renderPix('e/save', 'core', s);\n            }).then(function(html) {\n                saveelement.append(html);\n                return;\n            }).fail(notification.exception);\n\n            str.get_string('cancel', 'core').then(function(s) {\n                return templates.renderPix('e/cancel', 'core', s);\n            }).then(function(html) {\n                cancelelement.append(html);\n                return;\n            }).fail(notification.exception);\n\n            el.html('')\n                .append(lbl)\n                .append(inputelement)\n                .append(saveelement)\n                .append(cancelelement);\n\n            inputelement.focus();\n            inputelement.select();\n            autocomplete.enhance(inputelement,\n                                 attributes.tags,\n                                 attributes.ajax,\n                                 attributes.placeholder,\n                                 attributes.caseSensitive,\n                                 attributes.showSuggestions,\n                                 attributes.noSelectionString)\n                .then(function() {\n                // Focus on the enhanced combobox.\n                el.find('[role=combobox]').focus();\n                // Stop eslint nagging.\n                return;\n            }).fail(notification.exception);\n\n            inputelement.on('keyup', function(e) {\n                if ((e.type === 'keyup' && e.keyCode === 27) || e.type === 'focusout') {\n                    // We need 'keyup' event for Escape because keypress does not work with Escape.\n                    turnEditingOff(el);\n                }\n            });\n            saveelement.on('click', function(e) {\n                var val = JSON.stringify(inputelement.val());\n                // We need to empty the node to destroy all event handlers etc.\n                inputelement.empty();\n                turnEditingOff(el);\n                updateValue(el, val);\n                e.preventDefault();\n            });\n            cancelelement.on('click', function(e) {\n                // We need to empty the node to destroy all event handlers etc.\n                inputelement.empty();\n                turnEditingOff(el);\n                e.preventDefault();\n            });\n        };\n\n        var turnEditingOn = function(el) {\n            el.addClass('inplaceeditingon');\n            el.attr('data-oldcontent', el.html());\n\n            var type = el.attr('data-type');\n            var options = el.attr('data-options');\n\n            if (type === 'toggle') {\n                turnEditingOnToggle(el, options);\n            } else if (type === 'select') {\n                turnEditingOnSelect(el, $.parseJSON(options));\n            } else if (type === 'autocomplete') {\n                turnEditingOnAutocomplete(el, $.parseJSON(options));\n            } else {\n                turnEditingOnText(el);\n            }\n        };\n\n        // Turn editing on for the current element and register handler for Enter/Esc keys.\n        turnEditingOffEverywhere();\n        turnEditingOn(mainelement);\n        editingEnabledPromise.resolve();\n\n    });\n\n    return 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diff --git a/lib/amd/build/key_codes.min.js b/lib/amd/build/key_codes.min.js
index c2a90fb7dc8..2695cec6fd3 100644
--- a/lib/amd/build/key_codes.min.js
+++ b/lib/amd/build/key_codes.min.js
@@ -1,2 +1,13 @@
-define ("core/key_codes",function(){return{tab:9,enter:13,shift:16,ctrl:17,alt:18,escape:27,space:32,end:35,home:36,arrowLeft:37,arrowUp:38,arrowRight:39,arrowDown:40,8:56,asterix:106,pageUp:33,pageDown:34}});
-//# sourceMappingURL=key_codes.min.js.map
+/**
+ * A list of human readable names for the keycodes.
+ *
+ * @module     core/key_codes
+ * @class      key_codes
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.2
+ */
+define("core/key_codes",(function(){return{tab:9,enter:13,shift:16,ctrl:17,alt:18,escape:27,space:32,end:35,home:36,arrowLeft:37,arrowUp:38,arrowRight:39,arrowDown:40,8:56,asterix:106,pageUp:33,pageDown:34}}));
+
+//# sourceMappingURL=key_codes.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/key_codes.min.js.map b/lib/amd/build/key_codes.min.js.map
index 92c3bc1cb00..ce048e68c29 100644
--- a/lib/amd/build/key_codes.min.js.map
+++ b/lib/amd/build/key_codes.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"key_codes.min.js","sources":["../src/key_codes.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A list of human readable names for the keycodes.\n *\n * @module     core/key_codes\n * @class      key_codes\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(function() {\n\n    return /** @alias module:core/key_codes */ {\n        'tab': 9,\n        'enter': 13,\n        'shift': 16,\n        'ctrl': 17,\n        'alt': 18,\n        'escape': 27,\n        'space': 32,\n        'end': 35,\n        'home': 36,\n        'arrowLeft': 37,\n        'arrowUp': 38,\n        'arrowRight': 39,\n        'arrowDown': 40,\n        '8': 56,\n        'asterix': 106,\n        'pageUp': 33,\n        'pageDown': 34,\n    };\n});\n"],"names":["define"],"mappings":";;;;;;;;;;AAyBAA,yBAAO,iBAEwC,KAChC,QACE,SACA,QACD,OACD,UACG,SACD,OACF,QACC,aACK,WACF,cACG,aACD,KACR,WACM,WACD,YACE"}
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diff --git a/lib/amd/build/loadingicon.min.js b/lib/amd/build/loadingicon.min.js
index 7b6cef913ce..7d958092ea3 100644
--- a/lib/amd/build/loadingicon.min.js
+++ b/lib/amd/build/loadingicon.min.js
@@ -1,2 +1,12 @@
-define ("core/loadingicon",["jquery","core/templates"],function(a,b){var c={LOADING:"core/loading"},d=function(){return b.render(c.LOADING,{})},e=function(b,c){return d().then(function(d){var e=a(d).hide();a(b).append(e);e.fadeIn(150);return a.when(e.promise(),c)}).then(function(a){return a.fadeOut(100).promise()}).then(function(a){a.remove()})};return{getIcon:d,addIconToContainer:function addIconToContainer(b){return d().then(function(c){var d=a(c).hide();a(b).append(d);d.fadeIn(150);return d})},addIconToContainerWithPromise:function addIconToContainerWithPromise(b){var c=a.Deferred();e(b,c);return c},addIconToContainerRemoveOnCompletion:e}});
-//# sourceMappingURL=loadingicon.min.js.map
+/**
+ * Contain the logic for the loading icon.
+ *
+ * @module     core/loading_icon
+ * @class      loading_icon
+ * @package    core
+ * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/loadingicon",["jquery","core/templates"],(function($,Templates){var TEMPLATES_LOADING="core/loading",getIcon=function(){return Templates.render(TEMPLATES_LOADING,{})},addIconToContainerRemoveOnCompletion=function(container,loadingIconPromise){return getIcon().then((function(html){var loadingIcon=$(html).hide();return $(container).append(loadingIcon),loadingIcon.fadeIn(150),$.when(loadingIcon.promise(),loadingIconPromise)})).then((function(loadingIcon){return loadingIcon.fadeOut(100).promise()})).then((function(loadingIcon){loadingIcon.remove()}))};return{getIcon:getIcon,addIconToContainer:function(container){return getIcon().then((function(html){var loadingIcon=$(html).hide();return $(container).append(loadingIcon),loadingIcon.fadeIn(150),loadingIcon}))},addIconToContainerWithPromise:function(container){var loadingIconPromise=$.Deferred();return addIconToContainerRemoveOnCompletion(container,loadingIconPromise),loadingIconPromise},addIconToContainerRemoveOnCompletion:addIconToContainerRemoveOnCompletion}}));
+
+//# sourceMappingURL=loadingicon.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/loadingicon.min.js.map b/lib/amd/build/loadingicon.min.js.map
index 000d618230a..2332363d336 100644
--- a/lib/amd/build/loadingicon.min.js.map
+++ b/lib/amd/build/loadingicon.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/loadingicon.js"],"names":["define","$","Templates","TEMPLATES","LOADING","getIcon","render","addIconToContainerRemoveOnCompletion","container","loadingIconPromise","then","html","loadingIcon","hide","append","fadeIn","when","promise","fadeOut","remove","addIconToContainer","addIconToContainerWithPromise","Deferred"],"mappings":"AAwBAA,OAAM,oBAAC,CAAC,QAAD,CAAW,gBAAX,CAAD,CAA+B,SAASC,CAAT,CAAYC,CAAZ,CAAuB,IACpDC,CAAAA,CAAS,CAAG,CACZC,OAAO,CAAE,cADG,CADwC,CAKpDC,CAAO,CAAG,UAAW,CACrB,MAAOH,CAAAA,CAAS,CAACI,MAAV,CAAiBH,CAAS,CAACC,OAA3B,CAAoC,EAApC,CACV,CAPuD,CAuCpDG,CAAoC,CAAG,SAASC,CAAT,CAAoBC,CAApB,CAAwC,CAC/E,MAAOJ,CAAAA,CAAO,GACbK,IADM,CACD,SAASC,CAAT,CAAe,CACjB,GAAIC,CAAAA,CAAW,CAAGX,CAAC,CAACU,CAAD,CAAD,CAAQE,IAAR,EAAlB,CACAZ,CAAC,CAACO,CAAD,CAAD,CAAaM,MAAb,CAAoBF,CAApB,EACAA,CAAW,CAACG,MAAZ,CAAmB,GAAnB,EAEA,MAAOd,CAAAA,CAAC,CAACe,IAAF,CAAOJ,CAAW,CAACK,OAAZ,EAAP,CAA8BR,CAA9B,CACV,CAPM,EAQNC,IARM,CAQD,SAASE,CAAT,CAAsB,CAIxB,MAAOA,CAAAA,CAAW,CAACM,OAAZ,CAAoB,GAApB,EAAyBD,OAAzB,EACV,CAbM,EAcNP,IAdM,CAcD,SAASE,CAAT,CAAsB,CACxBA,CAAW,CAACO,MAAZ,EAGH,CAlBM,CAmBV,CA3DuD,CA8ExD,MAAO,CACHd,OAAO,CAAEA,CADN,CAEHe,kBAAkB,CA9DG,QAArBA,CAAAA,kBAAqB,CAASZ,CAAT,CAAoB,CACzC,MAAOH,CAAAA,CAAO,GACbK,IADM,CACD,SAASC,CAAT,CAAe,CACjB,GAAIC,CAAAA,CAAW,CAAGX,CAAC,CAACU,CAAD,CAAD,CAAQE,IAAR,EAAlB,CACAZ,CAAC,CAACO,CAAD,CAAD,CAAaM,MAAb,CAAoBF,CAApB,EACAA,CAAW,CAACG,MAAZ,CAAmB,GAAnB,EAEA,MAAOH,CAAAA,CACV,CAPM,CAQV,CAmDM,CAGHS,6BAA6B,CAXG,QAAhCA,CAAAA,6BAAgC,CAASb,CAAT,CAAoB,CACpD,GAAIC,CAAAA,CAAkB,CAAGR,CAAC,CAACqB,QAAF,EAAzB,CAEAf,CAAoC,CAACC,CAAD,CAAYC,CAAZ,CAApC,CAEA,MAAOA,CAAAA,CACV,CAEM,CAIHF,oCAAoC,CAAEA,CAJnC,CAOV,CArFK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the loading icon.\n *\n * @module     core/loading_icon\n * @class      loading_icon\n * @package    core\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates'], function($, Templates) {\n    var TEMPLATES = {\n        LOADING: 'core/loading',\n    };\n\n    var getIcon = function() {\n        return Templates.render(TEMPLATES.LOADING, {});\n    };\n\n    /**\n     * Add a loading icon to the end of the specified container and return an unresolved promise.\n     *\n     * Resolution of the returned promise causes the icon to be faded out and removed.\n     *\n     * @method  addIconToContainer\n     * @param   {jQuery}  container  The element to add the spinner to\n     * @return  {Promise} The Promise used to create the icon.\n     */\n    var addIconToContainer = function(container) {\n        return getIcon()\n        .then(function(html) {\n            var loadingIcon = $(html).hide();\n            $(container).append(loadingIcon);\n            loadingIcon.fadeIn(150);\n\n            return loadingIcon;\n        });\n    };\n\n    /**\n     * Add a loading icon to the end of the specified container and return an unresolved promise.\n     *\n     * Resolution of the returned promise causes the icon to be faded out and removed.\n     *\n     * @method  addIconToContainerWithPromise\n     * @param   {jQuery}  container  The element to add the spinner to\n     * @param   {Promise} loadingIconPromise The jQuery Promise which determines the removal of the icon\n     * @return  {jQuery}  The Promise used to create and then remove the icon.\n     */\n    var addIconToContainerRemoveOnCompletion = function(container, loadingIconPromise) {\n        return getIcon()\n        .then(function(html) {\n            var loadingIcon = $(html).hide();\n            $(container).append(loadingIcon);\n            loadingIcon.fadeIn(150);\n\n            return $.when(loadingIcon.promise(), loadingIconPromise);\n        })\n        .then(function(loadingIcon) {\n            // Once the content has finished loading and\n            // the loading icon has been shown then we can\n            // fade the icon away to reveal the content.\n            return loadingIcon.fadeOut(100).promise();\n        })\n        .then(function(loadingIcon) {\n            loadingIcon.remove();\n\n            return;\n        });\n    };\n\n    /**\n     * Add a loading icon to the end of the specified container and return an unresolved promise.\n     *\n     * Resolution of the returned promise causes the icon to be faded out and removed.\n     *\n     * @method  addIconToContainerWithPromise\n     * @param   {jQuery}  container  The element to add the spinner to\n     * @return  {Promise} A jQuery Promise to resolve when ready\n     */\n    var addIconToContainerWithPromise = function(container) {\n        var loadingIconPromise = $.Deferred();\n\n        addIconToContainerRemoveOnCompletion(container, loadingIconPromise);\n\n        return loadingIconPromise;\n    };\n\n    return {\n        getIcon: getIcon,\n        addIconToContainer: addIconToContainer,\n        addIconToContainerWithPromise: addIconToContainerWithPromise,\n        addIconToContainerRemoveOnCompletion: addIconToContainerRemoveOnCompletion,\n    };\n\n});\n"],"file":"loadingicon.min.js"}
\ No newline at end of file
+{"version":3,"file":"loadingicon.min.js","sources":["../src/loadingicon.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the loading icon.\n *\n * @module     core/loading_icon\n * @class      loading_icon\n * @package    core\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates'], function($, Templates) {\n    var TEMPLATES = {\n        LOADING: 'core/loading',\n    };\n\n    var getIcon = function() {\n        return Templates.render(TEMPLATES.LOADING, {});\n    };\n\n    /**\n     * Add a loading icon to the end of the specified container and return an unresolved promise.\n     *\n     * Resolution of the returned promise causes the icon to be faded out and removed.\n     *\n     * @method  addIconToContainer\n     * @param   {jQuery}  container  The element to add the spinner to\n     * @return  {Promise} The Promise used to create the icon.\n     */\n    var addIconToContainer = function(container) {\n        return getIcon()\n        .then(function(html) {\n            var loadingIcon = $(html).hide();\n            $(container).append(loadingIcon);\n            loadingIcon.fadeIn(150);\n\n            return loadingIcon;\n        });\n    };\n\n    /**\n     * Add a loading icon to the end of the specified container and return an unresolved promise.\n     *\n     * Resolution of the returned promise causes the icon to be faded out and removed.\n     *\n     * @method  addIconToContainerWithPromise\n     * @param   {jQuery}  container  The element to add the spinner to\n     * @param   {Promise} loadingIconPromise The jQuery Promise which determines the removal of the icon\n     * @return  {jQuery}  The Promise used to create and then remove the icon.\n     */\n    var addIconToContainerRemoveOnCompletion = function(container, loadingIconPromise) {\n        return getIcon()\n        .then(function(html) {\n            var loadingIcon = $(html).hide();\n            $(container).append(loadingIcon);\n            loadingIcon.fadeIn(150);\n\n            return $.when(loadingIcon.promise(), loadingIconPromise);\n        })\n        .then(function(loadingIcon) {\n            // Once the content has finished loading and\n            // the loading icon has been shown then we can\n            // fade the icon away to reveal the content.\n            return loadingIcon.fadeOut(100).promise();\n        })\n        .then(function(loadingIcon) {\n            loadingIcon.remove();\n\n            return;\n        });\n    };\n\n    /**\n     * Add a loading icon to the end of the specified container and return an unresolved promise.\n     *\n     * Resolution of the returned promise causes the icon to be faded out and removed.\n     *\n     * @method  addIconToContainerWithPromise\n     * @param   {jQuery}  container  The element to add the spinner to\n     * @return  {Promise} A jQuery Promise to resolve when ready\n     */\n    var addIconToContainerWithPromise = function(container) {\n        var loadingIconPromise = $.Deferred();\n\n        addIconToContainerRemoveOnCompletion(container, loadingIconPromise);\n\n        return loadingIconPromise;\n    };\n\n    return {\n        getIcon: getIcon,\n        addIconToContainer: addIconToContainer,\n        addIconToContainerWithPromise: addIconToContainerWithPromise,\n        addIconToContainerRemoveOnCompletion: addIconToContainerRemoveOnCompletion,\n    };\n\n});\n"],"names":["define","$","Templates","TEMPLATES","getIcon","render","addIconToContainerRemoveOnCompletion","container","loadingIconPromise","then","html","loadingIcon","hide","append","fadeIn","when","promise","fadeOut","remove","addIconToContainer","addIconToContainerWithPromise","Deferred"],"mappings":";;;;;;;;;AAwBAA,0BAAO,CAAC,SAAU,mBAAmB,SAASC,EAAGC,eACzCC,kBACS,eAGTC,QAAU,kBACHF,UAAUG,OAAOF,kBAAmB,KAiC3CG,qCAAuC,SAASC,UAAWC,2BACpDJ,UACNK,MAAK,SAASC,UACPC,YAAcV,EAAES,MAAME,cAC1BX,EAAEM,WAAWM,OAAOF,aACpBA,YAAYG,OAAO,KAEZb,EAAEc,KAAKJ,YAAYK,UAAWR,uBAExCC,MAAK,SAASE,oBAIJA,YAAYM,QAAQ,KAAKD,aAEnCP,MAAK,SAASE,aACXA,YAAYO,mBAuBb,CACHd,QAASA,QACTe,mBA9DqB,SAASZ,kBACvBH,UACNK,MAAK,SAASC,UACPC,YAAcV,EAAES,MAAME,cAC1BX,EAAEM,WAAWM,OAAOF,aACpBA,YAAYG,OAAO,KAEZH,gBAwDXS,8BAXgC,SAASb,eACrCC,mBAAqBP,EAAEoB,kBAE3Bf,qCAAqCC,UAAWC,oBAEzCA,oBAOPF,qCAAsCA"}
\ No newline at end of file
diff --git a/lib/amd/build/local/aria/focuslock.min.js b/lib/amd/build/local/aria/focuslock.min.js
index 07916322519..f01332e5d6a 100644
--- a/lib/amd/build/local/aria/focuslock.min.js
+++ b/lib/amd/build/local/aria/focuslock.min.js
@@ -1,2 +1,16 @@
-define ("core/local/aria/focuslock",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.untrapFocus=a.trapFocus=void 0;var b={focusable:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]"},c=[],d=[],e=[],f=null,g=!1,h=!1,i=function(a){if(g){return}var b=n();if(!b.parentNode){s()}if(b.contains(a.target)){f=a.target}else{j();if(f==document.activeElement){k()}f=document.activeElement}},j=function(){var a=n(),c=Array.from(a.querySelectorAll(b.focusable));c.unshift(a);return c.some(function(a){return m(a)})},k=function(){var a=n(),c=Array.from(a.querySelectorAll(b.focusable)).reverse();c.push(a);return c.some(function(a){return m(a)})},l=function(a){if(0<a.tabIndex||0===a.tabIndex&&null!==a.getAttribute("tabIndex")){return!0}if(a.disabled){return!1}switch(a.nodeName){case"A":return!!a.href&&"ignore"!=a.rel;case"INPUT":return"hidden"!=a.type&&"file"!=a.type;case"BUTTON":case"SELECT":case"TEXTAREA":return!0;default:return!1;}},m=function(a){if(!l(a)){return!1}g=!0;try{a.focus()}catch(a){}g=!1;return document.activeElement===a},n=function(){return c[c.length-1]},o=function(a){if(a===n()){return}c.push(a);var b=n(),f=document.createElement("div");f.tabIndex=0;f.style.position="fixed";f.style.top=0;f.style.left=0;var g=f.cloneNode();b.parentNode.insertBefore(g,b);d.push(g);var h=f.cloneNode();b.parentNode.insertBefore(h,b.nextSibling);e.push(h)},p=function(){c.pop();var a=e.pop();if(a){a.remove()}var b=d.pop();if(b){b.remove()}},q=function(){return!!c.length},r=function(a){o(a);if(!h){document.addEventListener("focus",i,!0)}if(!j()){var b=n(),c=b.tabIndex;b.tabIndex=0;m(b);b.tabIndex=c}f=document.activeElement;h=!0};a.trapFocus=r;var s=function(){p();if(q()){return}document.removeEventListener("focus",i,!0);f=null;g=!1;h=!1};a.untrapFocus=s});
-//# sourceMappingURL=focuslock.min.js.map
+define("core/local/aria/focuslock",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.untrapFocus=_exports.trapFocus=void 0;
+/**
+   * Tab locking system.
+   *
+   * This is based on code and examples provided in the ARIA specification.
+   * https://www.w3.org/TR/wai-aria-practices/examples/dialog-modal/dialog.html
+   *
+   * @module     core/tablock
+   * @class      tablock
+   * @package    core
+   * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var selectors_focusable='input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]',lockRegionStack=[],initialFocusElementStack=[],finalFocusElementStack=[],lastFocus=null,ignoreFocusChanges=!1,isLocked=!1,lockHandler=function(event){if(!ignoreFocusChanges){var lockRegion=getCurrentLockRegion();lockRegion.parentNode||untrapFocus(),lockRegion.contains(event.target)?lastFocus=event.target:(focusFirstDescendant(),lastFocus==document.activeElement&&focusLastDescendant(),lastFocus=document.activeElement)}},focusFirstDescendant=function(){var lockRegion=getCurrentLockRegion(),focusableElements=Array.from(lockRegion.querySelectorAll(selectors_focusable));return focusableElements.unshift(lockRegion),focusableElements.some((function(focusableElement){return attemptFocus(focusableElement)}))},focusLastDescendant=function(){var lockRegion=getCurrentLockRegion(),focusableElements=Array.from(lockRegion.querySelectorAll(selectors_focusable)).reverse();return focusableElements.push(lockRegion),focusableElements.some((function(focusableElement){return attemptFocus(focusableElement)}))},attemptFocus=function(focusTarget){if(!function(focusTarget){if(focusTarget.tabIndex>0||0===focusTarget.tabIndex&&null!==focusTarget.getAttribute("tabIndex"))return!0;if(focusTarget.disabled)return!1;switch(focusTarget.nodeName){case"A":return!!focusTarget.href&&"ignore"!=focusTarget.rel;case"INPUT":return"hidden"!=focusTarget.type&&"file"!=focusTarget.type;case"BUTTON":case"SELECT":case"TEXTAREA":return!0;default:return!1}}(focusTarget))return!1;ignoreFocusChanges=!0;try{focusTarget.focus()}catch(e){}return ignoreFocusChanges=!1,document.activeElement===focusTarget},getCurrentLockRegion=function(){return lockRegionStack[lockRegionStack.length-1]};_exports.trapFocus=function(newLockRegion){if(function(newLockRegion){if(newLockRegion!==getCurrentLockRegion()){lockRegionStack.push(newLockRegion);var currentLockRegion=getCurrentLockRegion(),element=document.createElement("div");element.tabIndex=0,element.style.position="fixed",element.style.top=0,element.style.left=0;var initialNode=element.cloneNode();currentLockRegion.parentNode.insertBefore(initialNode,currentLockRegion),initialFocusElementStack.push(initialNode);var finalNode=element.cloneNode();currentLockRegion.parentNode.insertBefore(finalNode,currentLockRegion.nextSibling),finalFocusElementStack.push(finalNode)}}(newLockRegion),isLocked||document.addEventListener("focus",lockHandler,!0),!focusFirstDescendant()){var currentLockRegion=getCurrentLockRegion(),originalRegionTabIndex=currentLockRegion.tabIndex;currentLockRegion.tabIndex=0,attemptFocus(currentLockRegion),currentLockRegion.tabIndex=originalRegionTabIndex}lastFocus=document.activeElement,isLocked=!0};var untrapFocus=function(){!function(){lockRegionStack.pop();var finalNode=finalFocusElementStack.pop();finalNode&&finalNode.remove();var initialNode=initialFocusElementStack.pop();initialNode&&initialNode.remove()}(),lockRegionStack.length||(document.removeEventListener("focus",lockHandler,!0),lastFocus=null,ignoreFocusChanges=!1,isLocked=!1)};_exports.untrapFocus=untrapFocus}));
+
+//# sourceMappingURL=focuslock.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/local/aria/focuslock.min.js.map b/lib/amd/build/local/aria/focuslock.min.js.map
index 81ad9a2cf34..2a7376ff192 100644
--- a/lib/amd/build/local/aria/focuslock.min.js.map
+++ b/lib/amd/build/local/aria/focuslock.min.js.map
@@ -1 +1 @@
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Tab locking system.\n *\n * This is based on code and examples provided in the ARIA specification.\n * https://www.w3.org/TR/wai-aria-practices/examples/dialog-modal/dialog.html\n *\n * @module     core/tablock\n * @class      tablock\n * @package    core\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nconst selectors = {\n    focusable: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n};\n\nconst lockRegionStack = [];\nconst initialFocusElementStack = [];\nconst finalFocusElementStack = [];\n\nlet lastFocus = null;\nlet ignoreFocusChanges = false;\nlet isLocked = false;\n\n/**\n * The lock handler.\n *\n * This is the item that does a majority of the work.\n * The overall logic from this comes from the examles in the WCAG guidelines.\n *\n * The general idea is that if the focus is not held within by an Element within the lock region, then we replace focus\n * on the first element in the lock region. 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We will just try to focus the next element in the list.\n        // eslint-disable-line\n    }\n\n    ignoreFocusChanges = false;\n\n    // If focus was successful the activeElement will be the one we focused.\n    return (document.activeElement === focusTarget);\n};\n\n/**\n * Get the current lock region from the top of the stack.\n *\n * @returns {HTMLElement}\n */\nconst getCurrentLockRegion = () => {\n    return lockRegionStack[lockRegionStack.length - 1];\n};\n\n/**\n * Add a new lock region to the stack.\n *\n * @param {HTMLElement} newLockRegion\n */\nconst addLockRegionToStack = newLockRegion => {\n    if (newLockRegion === getCurrentLockRegion()) {\n        return;\n    }\n\n    lockRegionStack.push(newLockRegion);\n    const currentLockRegion = getCurrentLockRegion();\n\n    // Append an empty div which can be focused just outside of the item locked.\n    // This locks tab focus to within the tab region, and does not allow it to extend back into the window by\n    // guaranteeing the existence of a tabable item after the lock region which can be focused but which will be caught\n    // by the handler.\n    const element = document.createElement('div');\n    element.tabIndex = 0;\n    element.style.position = 'fixed';\n    element.style.top = 0;\n    element.style.left = 0;\n\n    const initialNode = element.cloneNode();\n    currentLockRegion.parentNode.insertBefore(initialNode, currentLockRegion);\n    initialFocusElementStack.push(initialNode);\n\n    const finalNode = element.cloneNode();\n    currentLockRegion.parentNode.insertBefore(finalNode, currentLockRegion.nextSibling);\n    finalFocusElementStack.push(finalNode);\n};\n\n/**\n * Remove the top lock region from the stack.\n */\nconst removeLastLockRegionFromStack = () => {\n    // Take the top element off the stack, and replce the current lockRegion value.\n    lockRegionStack.pop();\n\n    const finalNode = finalFocusElementStack.pop();\n    if (finalNode) {\n        // The final focus element may have been removed if it was part of a parent item.\n        finalNode.remove();\n    }\n\n    const initialNode = initialFocusElementStack.pop();\n    if (initialNode) {\n        // The initial focus element may have been removed if it was part of a parent item.\n        initialNode.remove();\n    }\n};\n\n/**\n * Whether any region is left in the stack.\n *\n * @return {Bool}\n */\nconst hasTrappedRegionsInStack = () => {\n    return !!lockRegionStack.length;\n};\n\n/**\n * Start trapping the focus and lock it to the specified newLockRegion.\n *\n * @param {HTMLElement} newLockRegion The container to lock focus to\n */\nexport const trapFocus = newLockRegion => {\n    // Update the lock region stack.\n    // This allows us to support nesting.\n    addLockRegionToStack(newLockRegion);\n\n    if (!isLocked) {\n        // Add the focus handler.\n        document.addEventListener('focus', lockHandler, true);\n    }\n\n    // Attempt to focus on the first item in the lock region.\n    if (!focusFirstDescendant()) {\n        const currentLockRegion = getCurrentLockRegion();\n\n        // No focusable descendants found in the region yet.\n        // This can happen when the region is locked before content is generated.\n        // Focus on the region itself for now.\n        const originalRegionTabIndex = currentLockRegion.tabIndex;\n        currentLockRegion.tabIndex = 0;\n        attemptFocus(currentLockRegion);\n        currentLockRegion.tabIndex = originalRegionTabIndex;\n    }\n\n    // Keep track of the last item focused.\n    lastFocus = document.activeElement;\n\n    isLocked = true;\n};\n\n/**\n * Stop trapping the focus.\n */\nexport const untrapFocus = () => {\n    // Remove the top region from the stack.\n    removeLastLockRegionFromStack();\n\n    if (hasTrappedRegionsInStack()) {\n        // The focus manager still has items in the stack.\n        return;\n    }\n\n    document.removeEventListener('focus', lockHandler, true);\n\n    lastFocus = null;\n    ignoreFocusChanges = false;\n    isLocked = false;\n};\n"],"file":"focuslock.min.js"}
\ No newline at end of file
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If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Tab locking system.\n *\n * This is based on code and examples provided in the ARIA specification.\n * https://www.w3.org/TR/wai-aria-practices/examples/dialog-modal/dialog.html\n *\n * @module     core/tablock\n * @class      tablock\n * @package    core\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nconst selectors = {\n    focusable: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n};\n\nconst lockRegionStack = [];\nconst initialFocusElementStack = [];\nconst finalFocusElementStack = [];\n\nlet lastFocus = null;\nlet ignoreFocusChanges = false;\nlet isLocked = false;\n\n/**\n * The lock handler.\n *\n * This is the item that does a majority of the work.\n * The overall logic from this comes from the examles in the WCAG guidelines.\n *\n * The general idea is that if the focus is not held within by an Element within the lock region, then we replace focus\n * on the first element in the lock region. If the first element is the element previously selected prior to the\n * user-initiated focus change, then instead jump to the last element in the lock region.\n *\n * This gives us a solution which supports focus locking of any kind, which loops in both directions, and which\n * prevents the lock from escaping the modal entirely.\n *\n * @param {Event} event The event from the focus change\n */\nconst lockHandler = event => {\n    if (ignoreFocusChanges) {\n        // The focus change was made by an internal call to set focus.\n        return;\n    }\n\n    const lockRegion = getCurrentLockRegion();\n\n    if (!lockRegion.parentNode) {\n        // The lock region does not exist.\n        // Perhaps it was removed without being untrapped.\n        untrapFocus();\n    }\n\n    if (lockRegion.contains(event.target)) {\n        lastFocus = event.target;\n    } else {\n        focusFirstDescendant();\n        if (lastFocus == document.activeElement) {\n            focusLastDescendant();\n        }\n        lastFocus = document.activeElement;\n    }\n};\n\n/**\n * Focus the first descendant of the current lock region.\n *\n * @returns {Bool} Whether a node was focused\n */\nconst focusFirstDescendant = () => {\n    const lockRegion = getCurrentLockRegion();\n\n    // Grab all elements in the lock region and attempt to focus each element until one is focused.\n    // We can capture most of this in the query selector, but some cases may still reject focus.\n    // For example, a disabled text area cannot be focused, and it becomes difficult to provide a decent query selector\n    // to capture this.\n    // The use of Array.some just ensures that we stop as soon as we have a successful focus.\n    const focusableElements = Array.from(lockRegion.querySelectorAll(selectors.focusable));\n\n    // The lock region itself may be focusable. This is particularly true on Moodle's older dialogues.\n    // We must include it in the calculation of descendants to ensure that looping works correctly.\n    focusableElements.unshift(lockRegion);\n    return focusableElements.some(focusableElement => attemptFocus(focusableElement));\n};\n\n/**\n * Focus the last descendant of the current lock region.\n *\n * @returns {Bool} Whether a node was focused\n */\nconst focusLastDescendant = () => {\n    const lockRegion = getCurrentLockRegion();\n\n    // Grab all elements in the lock region, reverse them, and attempt to focus each element until one is focused.\n    // We can capture most of this in the query selector, but some cases may still reject focus.\n    // For example, a disabled text area cannot be focused, and it becomes difficult to provide a decent query selector\n    // to capture this.\n    // The use of Array.some just ensures that we stop as soon as we have a successful focus.\n    const focusableElements = Array.from(lockRegion.querySelectorAll(selectors.focusable)).reverse();\n\n    // The lock region itself may be focusable. This is particularly true on Moodle's older dialogues.\n    // We must include it in the calculation of descendants to ensure that looping works correctly.\n    focusableElements.push(lockRegion);\n    return focusableElements.some(focusableElement => attemptFocus(focusableElement));\n};\n\n/**\n * Check whether the supplied focusTarget is actually focusable.\n * There are cases where a normally focusable element can reject focus.\n *\n * Note: This example is a wholesale copy of the WCAG example.\n *\n * @param {HTMLElement} focusTarget\n * @returns {Bool}\n */\nconst isFocusable = focusTarget => {\n    if (focusTarget.tabIndex > 0 || (focusTarget.tabIndex === 0 && focusTarget.getAttribute('tabIndex') !== null)) {\n        return true;\n    }\n\n    if (focusTarget.disabled) {\n        return false;\n    }\n\n    switch (focusTarget.nodeName) {\n        case 'A':\n            return !!focusTarget.href && focusTarget.rel != 'ignore';\n        case 'INPUT':\n            return focusTarget.type != 'hidden' && focusTarget.type != 'file';\n        case 'BUTTON':\n        case 'SELECT':\n        case 'TEXTAREA':\n            return true;\n        default:\n            return false;\n    }\n};\n\n/**\n * Attempt to focus the supplied focusTarget.\n *\n * Note: This example is a heavily inspired by the WCAG example.\n *\n * @param {HTMLElement} focusTarget\n * @returns {Bool} Whether focus was successful o rnot.\n */\nconst attemptFocus = focusTarget => {\n    if (!isFocusable(focusTarget)) {\n        return false;\n    }\n\n    // The ignoreFocusChanges variable prevents the focus event handler from interfering and entering a fight with itself.\n    ignoreFocusChanges = true;\n\n    try {\n        focusTarget.focus();\n    } catch (e) {\n        // Ignore failures. We will just try to focus the next element in the list.\n        // eslint-disable-line\n    }\n\n    ignoreFocusChanges = false;\n\n    // If focus was successful the activeElement will be the one we focused.\n    return (document.activeElement === focusTarget);\n};\n\n/**\n * Get the current lock region from the top of the stack.\n *\n * @returns {HTMLElement}\n */\nconst getCurrentLockRegion = () => {\n    return lockRegionStack[lockRegionStack.length - 1];\n};\n\n/**\n * Add a new lock region to the stack.\n *\n * @param {HTMLElement} newLockRegion\n */\nconst addLockRegionToStack = newLockRegion => {\n    if (newLockRegion === getCurrentLockRegion()) {\n        return;\n    }\n\n    lockRegionStack.push(newLockRegion);\n    const currentLockRegion = getCurrentLockRegion();\n\n    // Append an empty div which can be focused just outside of the item locked.\n    // This locks tab focus to within the tab region, and does not allow it to extend back into the window by\n    // guaranteeing the existence of a tabable item after the lock region which can be focused but which will be caught\n    // by the handler.\n    const element = document.createElement('div');\n    element.tabIndex = 0;\n    element.style.position = 'fixed';\n    element.style.top = 0;\n    element.style.left = 0;\n\n    const initialNode = element.cloneNode();\n    currentLockRegion.parentNode.insertBefore(initialNode, currentLockRegion);\n    initialFocusElementStack.push(initialNode);\n\n    const finalNode = element.cloneNode();\n    currentLockRegion.parentNode.insertBefore(finalNode, currentLockRegion.nextSibling);\n    finalFocusElementStack.push(finalNode);\n};\n\n/**\n * Remove the top lock region from the stack.\n */\nconst removeLastLockRegionFromStack = () => {\n    // Take the top element off the stack, and replce the current lockRegion value.\n    lockRegionStack.pop();\n\n    const finalNode = finalFocusElementStack.pop();\n    if (finalNode) {\n        // The final focus 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diff --git a/lib/amd/build/local/modal/alert.min.js b/lib/amd/build/local/modal/alert.min.js
index 3f72ea933af..7d0ff175d4e 100644
--- a/lib/amd/build/local/modal/alert.min.js
+++ b/lib/amd/build/local/modal/alert.min.js
@@ -1,2 +1,3 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/local/modal/alert",["exports","core/modal"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function d(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function e(a,b,c){if(b)d(a.prototype,b);if(c)d(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}function f(){if("undefined"!=typeof Reflect&&Reflect.get){f=Reflect.get}else{f=function(a,b,c){var d=g(a,b);if(!d)return;var e=Object.getOwnPropertyDescriptor(d,b);if(e.get){return e.get.call(3>arguments.length?a:c)}return e.value}}return f.apply(this,arguments)}function g(a,b){while(!Object.prototype.hasOwnProperty.call(a,b)){a=n(a);if(null===a)break}return a}function h(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});Object.defineProperty(a,"prototype",{writable:!1});if(b)i(a,b)}function i(a,b){i=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return i(a,b)}function j(a){var b=m();return function(){var c=n(a),d;if(b){var e=n(this).constructor;d=Reflect.construct(c,arguments,e)}else{d=c.apply(this,arguments)}return k(this,d)}}function k(a,b){if(b&&("object"===_typeof(b)||"function"==typeof b)){return b}else if(void 0!==b){throw new TypeError("Derived constructors may only return object or undefined")}return l(a)}function l(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function m(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return!0}catch(a){return!1}}function n(a){n=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return n(a)}var o=function(a){h(d,a);var b=j(d);function d(){c(this,d);return b.apply(this,arguments)}e(d,[{key:"registerEventListeners",value:function registerEventListeners(){f(n(d.prototype),"registerEventListeners",this).call(this);this.registerCloseOnCancel()}}]);return d}(b.default);a.default=o;return a.default});
-//# sourceMappingURL=alert.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("core/local/modal/alert",["exports","core/modal"],(function(_exports,_modal){var obj;function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}function _get(){return _get="undefined"!=typeof Reflect&&Reflect.get?Reflect.get:function(target,property,receiver){var base=_superPropBase(target,property);if(base){var desc=Object.getOwnPropertyDescriptor(base,property);return desc.get?desc.get.call(arguments.length<3?target:receiver):desc.value}},_get.apply(this,arguments)}function _superPropBase(object,property){for(;!Object.prototype.hasOwnProperty.call(object,property)&&null!==(object=_getPrototypeOf(object)););return object}function _setPrototypeOf(o,p){return _setPrototypeOf=Object.setPrototypeOf||function(o,p){return o.__proto__=p,o},_setPrototypeOf(o,p)}function _createSuper(Derived){var hasNativeReflectConstruct=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(e){return!1}}();return function(){var result,Super=_getPrototypeOf(Derived);if(hasNativeReflectConstruct){var NewTarget=_getPrototypeOf(this).constructor;result=Reflect.construct(Super,arguments,NewTarget)}else result=Super.apply(this,arguments);return _possibleConstructorReturn(this,result)}}function _possibleConstructorReturn(self,call){if(call&&("object"===_typeof(call)||"function"==typeof call))return call;if(void 0!==call)throw new TypeError("Derived constructors may only return object or undefined");return function(self){if(void 0===self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return self}(self)}function _getPrototypeOf(o){return _getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function(o){return o.__proto__||Object.getPrototypeOf(o)},_getPrototypeOf(o)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;var _default=function(_Modal){!function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function");subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,writable:!0,configurable:!0}}),Object.defineProperty(subClass,"prototype",{writable:!1}),superClass&&_setPrototypeOf(subClass,superClass)}(_default,_Modal);var Constructor,protoProps,staticProps,_super=_createSuper(_default);function _default(){return _classCallCheck(this,_default),_super.apply(this,arguments)}return Constructor=_default,(protoProps=[{key:"registerEventListeners",value:function(){_get(_getPrototypeOf(_default.prototype),"registerEventListeners",this).call(this),this.registerCloseOnCancel()}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),_default}((_modal=(obj=_modal)&&obj.__esModule?obj:{default:obj}).default);return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=alert.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/local/modal/alert.min.js.map b/lib/amd/build/local/modal/alert.min.js.map
index 02335a63bb9..51ba3cf158e 100644
--- a/lib/amd/build/local/modal/alert.min.js.map
+++ b/lib/amd/build/local/modal/alert.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/local/modal/alert.js"],"names":["registerCloseOnCancel","Modal"],"mappings":"yaAyBA,uD,4jEAMI,iCAAyB,CAErB,2DAGA,KAAKA,qBAAL,EACH,C,cAVwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Alert modal.\n *\n * @module     core/modal_alert\n * @class      modal_alert\n * @package    core\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Modal from 'core/modal';\n\nexport default class extends Modal {\n    /**\n     * Register all event listeners.\n     */\n    registerEventListeners() {\n        // Call the parent registration.\n        super.registerEventListeners();\n\n        // Register to close on cancel.\n        this.registerCloseOnCancel();\n    }\n}\n"],"file":"alert.min.js"}
\ No newline at end of file
+{"version":3,"file":"alert.min.js","sources":["../../../src/local/modal/alert.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Alert modal.\n *\n * @module     core/modal_alert\n * @class      modal_alert\n * @package    core\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Modal from 'core/modal';\n\nexport default class extends Modal {\n    /**\n     * Register all event listeners.\n     */\n    registerEventListeners() {\n        // Call the parent registration.\n        super.registerEventListeners();\n\n        // Register to close on cancel.\n        this.registerCloseOnCancel();\n    }\n}\n"],"names":["registerCloseOnCancel"],"mappings":"4sGA+BI,mGAKSA"}
\ No newline at end of file
diff --git a/lib/amd/build/localstorage.min.js b/lib/amd/build/localstorage.min.js
index 2ec637fcaee..eb993a6ee7b 100644
--- a/lib/amd/build/localstorage.min.js
+++ b/lib/amd/build/localstorage.min.js
@@ -1,2 +1,13 @@
-define ("core/localstorage",["core/config","core/storagewrapper"],function(a,b){var c=new b(window.localStorage);return{get:function get(a){return c.get(a)},set:function set(a,b){return c.set(a,b)}}});
-//# sourceMappingURL=localstorage.min.js.map
+/**
+ * Simple API for set/get to localstorage, with cacherev expiration.
+ *
+ * @module     core/localstorage
+ * @package    core
+ * @class      localstorage
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      2.9
+ */
+define("core/localstorage",["core/config","core/storagewrapper"],(function(config,StorageWrapper){var storage=new StorageWrapper(window.localStorage);return{get:function(key){return storage.get(key)},set:function(key,value){return storage.set(key,value)}}}));
+
+//# sourceMappingURL=localstorage.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/localstorage.min.js.map b/lib/amd/build/localstorage.min.js.map
index 8726b9c2eab..f7a0454d758 100644
--- a/lib/amd/build/localstorage.min.js.map
+++ b/lib/amd/build/localstorage.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"localstorage.min.js","sources":["../src/localstorage.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Simple API for set/get to localstorage, with cacherev expiration.\n *\n * @module     core/localstorage\n * @package    core\n * @class      localstorage\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(['core/config', 'core/storagewrapper'], function(config, StorageWrapper) {\n\n    // Private functions and variables.\n    /** @var {Object} StorageWrapper - Wraps browsers localStorage object */\n    var storage = new StorageWrapper(window.localStorage);\n\n    return /** @alias module:core/localstorage */ {\n        /**\n         * Get a value from local storage. Remember - all values must be strings.\n         *\n         * @method get\n         * @param {string} key The cache key to check.\n         * @return {boolean|string} False if the value is not in the cache, or some other error - a string otherwise.\n         */\n        get: function(key) {\n            return storage.get(key);\n        },\n\n        /**\n         * Set a value to local storage. Remember - all values must be strings.\n         *\n         * @method set\n         * @param {string} key The cache key to set.\n         * @param {string} value The value to set.\n         * @return {boolean} False if the value can't be saved in the cache, or some other error - true otherwise.\n         */\n        set: function(key, value) {\n            return storage.set(key, value);\n        }\n\n    };\n});\n"],"names":["define","config","StorageWrapper","storage","window","localStorage","get","key","set","value"],"mappings":";;;;;;;;;;AAyBAA,2BAAO,CAAC,cAAe,wBAAwB,SAASC,OAAQC,oBAIxDC,QAAU,IAAID,eAAeE,OAAOC,oBAEM,CAQ1CC,IAAK,SAASC,YACHJ,QAAQG,IAAIC,MAWvBC,IAAK,SAASD,IAAKE,cACRN,QAAQK,IAAID,IAAKE"}
\ No newline at end of file
diff --git a/lib/amd/build/log.min.js b/lib/amd/build/log.min.js
index 95dda8f4f5e..4863e32252d 100644
--- a/lib/amd/build/log.min.js
+++ b/lib/amd/build/log.min.js
@@ -1,2 +1,13 @@
-define ("core/log",["core/loglevel"],function(a){var b=a.methodFactory;a.methodFactory=function(a,c){var d=b(a,c);return function(a,b){if(b){d(b+": "+a)}else{d(a)}}};a.setConfig=function(b){if("undefined"!=typeof b.level){a.setLevel(b.level)}};return a});
-//# sourceMappingURL=log.min.js.map
+/**
+ * This is an empty module, that is required before all other modules.
+ * Because every module is returned from a request for any other module, this
+ * forces the loading of all modules with a single request.
+ *
+ * @module     core/log
+ * @package    core
+ * @copyright  2015 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/log",["core/loglevel"],(function(log){var originalFactory=log.methodFactory;return log.methodFactory=function(methodName,logLevel){var rawMethod=originalFactory(methodName,logLevel);return function(message,source){rawMethod(source?source+": "+message:message)}},log.setConfig=function(config){void 0!==config.level&&log.setLevel(config.level)},log}));
+
+//# sourceMappingURL=log.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/log.min.js.map b/lib/amd/build/log.min.js.map
index f5db9c2e5b8..94d34863573 100644
--- a/lib/amd/build/log.min.js.map
+++ b/lib/amd/build/log.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/log.js"],"names":["define","log","originalFactory","methodFactory","methodName","logLevel","rawMethod","message","source","setConfig","config","level","setLevel"],"mappings":"AAyBAA,OAAM,YAAC,CAAC,eAAD,CAAD,CAAoB,SAASC,CAAT,CAAc,CACpC,GAAIC,CAAAA,CAAe,CAAGD,CAAG,CAACE,aAA1B,CACAF,CAAG,CAACE,aAAJ,CAAoB,SAASC,CAAT,CAAqBC,CAArB,CAA+B,CAC/C,GAAIC,CAAAA,CAAS,CAAGJ,CAAe,CAACE,CAAD,CAAaC,CAAb,CAA/B,CAEA,MAAO,UAASE,CAAT,CAAkBC,CAAlB,CAA0B,CAC7B,GAAIA,CAAJ,CAAY,CACRF,CAAS,CAACE,CAAM,CAAG,IAAT,CAAgBD,CAAjB,CACZ,CAFD,IAEO,CACHD,CAAS,CAACC,CAAD,CACZ,CACJ,CACJ,CAVD,CAkBAN,CAAG,CAACQ,SAAJ,CAAgB,SAASC,CAAT,CAAiB,CAC7B,GAA4B,WAAxB,QAAOA,CAAAA,CAAM,CAACC,KAAlB,CAAyC,CACrCV,CAAG,CAACW,QAAJ,CAAaF,CAAM,CAACC,KAApB,CACH,CACJ,CAJD,CAMA,MAAOV,CAAAA,CACV,CA3BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This is an empty module, that is required before all other modules.\n * Because every module is returned from a request for any other module, this\n * forces the loading of all modules with a single request.\n *\n * @module     core/log\n * @package    core\n * @copyright  2015 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/loglevel'], function(log) {\n    var originalFactory = log.methodFactory;\n    log.methodFactory = function(methodName, logLevel) {\n        var rawMethod = originalFactory(methodName, logLevel);\n\n        return function(message, source) {\n            if (source) {\n                rawMethod(source + \": \" + message);\n            } else {\n                rawMethod(message);\n            }\n        };\n    };\n\n    /**\n     * Set default config settings.\n     *\n     * @param {Object} config including the level to use.\n     * @method setConfig\n     */\n    log.setConfig = function(config) {\n        if (typeof config.level !== \"undefined\") {\n            log.setLevel(config.level);\n        }\n    };\n\n    return log;\n});\n"],"file":"log.min.js"}
\ No newline at end of file
+{"version":3,"file":"log.min.js","sources":["../src/log.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This is an empty module, that is required before all other modules.\n * Because every module is returned from a request for any other module, this\n * forces the loading of all modules with a single request.\n *\n * @module     core/log\n * @package    core\n * @copyright  2015 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/loglevel'], function(log) {\n    var originalFactory = log.methodFactory;\n    log.methodFactory = function(methodName, logLevel) {\n        var rawMethod = originalFactory(methodName, logLevel);\n\n        return function(message, source) {\n            if (source) {\n                rawMethod(source + \": \" + message);\n            } else {\n                rawMethod(message);\n            }\n        };\n    };\n\n    /**\n     * Set default config settings.\n     *\n     * @param {Object} config including the level to use.\n     * @method setConfig\n     */\n    log.setConfig = function(config) {\n        if (typeof config.level !== \"undefined\") {\n            log.setLevel(config.level);\n        }\n    };\n\n    return log;\n});\n"],"names":["define","log","originalFactory","methodFactory","methodName","logLevel","rawMethod","message","source","setConfig","config","level","setLevel"],"mappings":";;;;;;;;;;AAyBAA,kBAAO,CAAC,kBAAkB,SAASC,SAC3BC,gBAAkBD,IAAIE,qBAC1BF,IAAIE,cAAgB,SAASC,WAAYC,cACjCC,UAAYJ,gBAAgBE,WAAYC,iBAErC,SAASE,QAASC,QAEjBF,UADAE,OACUA,OAAS,KAAOD,QAEhBA,WAWtBN,IAAIQ,UAAY,SAASC,aACO,IAAjBA,OAAOC,OACdV,IAAIW,SAASF,OAAOC,QAIrBV"}
\ No newline at end of file
diff --git a/lib/amd/build/loglevel.min.js b/lib/amd/build/loglevel.min.js
index c5b03139142..4846e86de5f 100644
--- a/lib/amd/build/loglevel.min.js
+++ b/lib/amd/build/loglevel.min.js
@@ -1,2 +1,3 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}(function(a,b){"use strict";if("function"==typeof define&&define.amd){define ("core/loglevel",b)}else if("object"===("undefined"==typeof module?"undefined":_typeof(module))&&module.exports){module.exports=b()}else{a.log=b()}})(this,function(){"use strict";var a=function(){},b="undefined",c=("undefined"==typeof window?"undefined":_typeof(window))!==b&&/Trident\/|MSIE /.test(window.navigator.userAgent),d=["trace","debug","info","warn","error"];function e(a,b){var c=a[b];if("function"==typeof c.bind){return c.bind(a)}else{try{return Function.prototype.bind.call(c,a)}catch(b){return function(){return Function.prototype.apply.apply(c,[a,arguments])}}}}function f(){if(console.log){if(console.log.apply){console.log.apply(console,arguments)}else{Function.prototype.apply.apply(console.log,[console,arguments])}}if(console.trace)console.trace()}function g(d){if("debug"===d){d="log"}if(("undefined"==typeof console?"undefined":_typeof(console))===b){return!1}else if("trace"===d&&c){return f}else if(console[d]!==void 0){return e(console,d)}else if(console.log!==void 0){return e(console,"log")}else{return a}}function h(b,c){for(var e=0,f;e<d.length;e++){f=d[e];this[f]=e<b?a:this.methodFactory(f,b,c)}this.log=this.debug}function i(a,c,d){return function(){if(("undefined"==typeof console?"undefined":_typeof(console))!==b){h.call(this,c,d);this[a].apply(this,arguments)}}}function j(a){return g(a)||i.apply(this,arguments)}function k(a,c,e){var f=this,g,i="loglevel";if(a){i+=":"+a}function k(a){var c=(d[a]||"silent").toUpperCase();if(("undefined"==typeof window?"undefined":_typeof(window))===b)return;try{window.localStorage[i]=c;return}catch(a){}try{window.document.cookie=encodeURIComponent(i)+"="+c+";"}catch(a){}}function l(){var a;if(("undefined"==typeof window?"undefined":_typeof(window))===b)return;try{a=window.localStorage[i]}catch(a){}if(_typeof(a)===b){try{var c=window.document.cookie,d=c.indexOf(encodeURIComponent(i)+"=");if(-1!==d){a=/^([^;]+)/.exec(c.slice(d))[1]}}catch(a){}}if(f.levels[a]===void 0){a=void 0}return a}f.name=a;f.levels={TRACE:0,DEBUG:1,INFO:2,WARN:3,ERROR:4,SILENT:5};f.methodFactory=e||j;f.getLevel=function(){return g};f.setLevel=function(c,d){if("string"==typeof c&&f.levels[c.toUpperCase()]!==void 0){c=f.levels[c.toUpperCase()]}if("number"==typeof c&&0<=c&&c<=f.levels.SILENT){g=c;if(!1!==d){k(c)}h.call(f,c,a);if(("undefined"==typeof console?"undefined":_typeof(console))===b&&c<f.levels.SILENT){return"No console available for logging"}}else{throw"log.setLevel() called with invalid level: "+c}};f.setDefaultLevel=function(a){if(!l()){f.setLevel(a,!1)}};f.enableAll=function(a){f.setLevel(f.levels.TRACE,a)};f.disableAll=function(a){f.setLevel(f.levels.SILENT,a)};var m=l();if(null==m){m=null==c?"WARN":c}f.setLevel(m,!1)}var l=new k,m={};l.getLogger=function(a){if("string"!=typeof a||""===a){throw new TypeError("You must supply a name when creating a logger.")}var b=m[a];if(!b){b=m[a]=new k(a,l.getLevel(),l.methodFactory)}return b};var n=("undefined"==typeof window?"undefined":_typeof(window))!==b?window.log:void 0;l.noConflict=function(){if(("undefined"==typeof window?"undefined":_typeof(window))!==b&&window.log===l){window.log=n}return l};l.getLoggers=function(){return m};return l});
-//# sourceMappingURL=loglevel.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}var root,definition;root=window,definition=function(){var noop=function(){},isIE="undefined"!==("undefined"==typeof window?"undefined":_typeof(window))&&/Trident\/|MSIE /.test(window.navigator.userAgent),logMethods=["trace","debug","info","warn","error"];function bindMethod(obj,methodName){var method=obj[methodName];if("function"==typeof method.bind)return method.bind(obj);try{return Function.prototype.bind.call(method,obj)}catch(e){return function(){return Function.prototype.apply.apply(method,[obj,arguments])}}}function traceForIE(){console.log&&(console.log.apply?console.log.apply(console,arguments):Function.prototype.apply.apply(console.log,[console,arguments])),console.trace&&console.trace()}function realMethod(methodName){return"debug"===methodName&&(methodName="log"),"undefined"!==("undefined"==typeof console?"undefined":_typeof(console))&&("trace"===methodName&&isIE?traceForIE:void 0!==console[methodName]?bindMethod(console,methodName):void 0!==console.log?bindMethod(console,"log"):noop)}function replaceLoggingMethods(level,loggerName){for(var i=0;i<logMethods.length;i++){var methodName=logMethods[i];this[methodName]=i<level?noop:this.methodFactory(methodName,level,loggerName)}this.log=this.debug}function enableLoggingWhenConsoleArrives(methodName,level,loggerName){return function(){"undefined"!==("undefined"==typeof console?"undefined":_typeof(console))&&(replaceLoggingMethods.call(this,level,loggerName),this[methodName].apply(this,arguments))}}function defaultMethodFactory(methodName,level,loggerName){return realMethod(methodName)||enableLoggingWhenConsoleArrives.apply(this,arguments)}function Logger(name,defaultLevel,factory){var currentLevel,self=this,storageKey="loglevel";function getPersistedLevel(){var storedLevel;if("undefined"!==("undefined"==typeof window?"undefined":_typeof(window))){try{storedLevel=window.localStorage[storageKey]}catch(ignore){}if("undefined"===_typeof(storedLevel))try{var cookie=window.document.cookie,location=cookie.indexOf(encodeURIComponent(storageKey)+"=");-1!==location&&(storedLevel=/^([^;]+)/.exec(cookie.slice(location))[1])}catch(ignore){}return void 0===self.levels[storedLevel]&&(storedLevel=void 0),storedLevel}}name&&(storageKey+=":"+name),self.name=name,self.levels={TRACE:0,DEBUG:1,INFO:2,WARN:3,ERROR:4,SILENT:5},self.methodFactory=factory||defaultMethodFactory,self.getLevel=function(){return currentLevel},self.setLevel=function(level,persist){if("string"==typeof level&&void 0!==self.levels[level.toUpperCase()]&&(level=self.levels[level.toUpperCase()]),!("number"==typeof level&&level>=0&&level<=self.levels.SILENT))throw"log.setLevel() called with invalid level: "+level;if(currentLevel=level,!1!==persist&&function(levelNum){var levelName=(logMethods[levelNum]||"silent").toUpperCase();if("undefined"!==("undefined"==typeof window?"undefined":_typeof(window))){try{return void(window.localStorage[storageKey]=levelName)}catch(ignore){}try{window.document.cookie=encodeURIComponent(storageKey)+"="+levelName+";"}catch(ignore){}}}(level),replaceLoggingMethods.call(self,level,name),"undefined"===("undefined"==typeof console?"undefined":_typeof(console))&&level<self.levels.SILENT)return"No console available for logging"},self.setDefaultLevel=function(level){getPersistedLevel()||self.setLevel(level,!1)},self.enableAll=function(persist){self.setLevel(self.levels.TRACE,persist)},self.disableAll=function(persist){self.setLevel(self.levels.SILENT,persist)};var initialLevel=getPersistedLevel();null==initialLevel&&(initialLevel=null==defaultLevel?"WARN":defaultLevel),self.setLevel(initialLevel,!1)}var defaultLogger=new Logger,_loggersByName={};defaultLogger.getLogger=function(name){if("string"!=typeof name||""===name)throw new TypeError("You must supply a name when creating a logger.");var logger=_loggersByName[name];return logger||(logger=_loggersByName[name]=new Logger(name,defaultLogger.getLevel(),defaultLogger.methodFactory)),logger};var _log="undefined"!==("undefined"==typeof window?"undefined":_typeof(window))?window.log:void 0;return defaultLogger.noConflict=function(){return"undefined"!==("undefined"==typeof window?"undefined":_typeof(window))&&window.log===defaultLogger&&(window.log=_log),defaultLogger},defaultLogger.getLoggers=function(){return _loggersByName},defaultLogger},"function"==typeof define&&define.amd?define("core/loglevel",definition):"object"===("undefined"==typeof module?"undefined":_typeof(module))&&module.exports?module.exports=definition():root.log=definition();
+
+//# sourceMappingURL=loglevel.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/loglevel.min.js.map b/lib/amd/build/loglevel.min.js.map
index 3412a53ec8a..259139b5c6f 100644
--- a/lib/amd/build/loglevel.min.js.map
+++ b/lib/amd/build/loglevel.min.js.map
@@ -1 +1 @@
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT\n// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,\n// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR\n// OTHER DEALINGS IN THE SOFTWARE.\n\n// Description of import into Moodle:\n// Download from https://github.com/pimterry/loglevel/tree/master/dist\n// Copy loglevel.js into lib/amd/src/ in Moodle folder.\n// Add the license as a comment to the file and these instructions.\n\n/*! loglevel - v1.6.6 - https://github.com/pimterry/loglevel - (c) 2019 Tim Perry - licensed MIT */\n(function (root, definition) {\n    \"use strict\";\n    if (typeof define === 'function' && define.amd) {\n        define(definition);\n    } else if (typeof module === 'object' && module.exports) {\n        module.exports = definition();\n    } else {\n        root.log = definition();\n    }\n}(this, function () {\n    \"use strict\";\n\n    // Slightly dubious tricks to cut down minimized file size\n    var noop = function() {};\n    var undefinedType = \"undefined\";\n    var isIE = (typeof window !== undefinedType) && (\n        /Trident\\/|MSIE /.test(window.navigator.userAgent)\n    );\n\n    var logMethods = [\n        \"trace\",\n        \"debug\",\n        \"info\",\n        \"warn\",\n        \"error\"\n    ];\n\n    // Cross-browser bind equivalent that works at least back to IE6\n    function bindMethod(obj, methodName) {\n        var method = obj[methodName];\n        if (typeof method.bind === 'function') {\n            return method.bind(obj);\n        } else {\n            try {\n                return Function.prototype.bind.call(method, obj);\n            } catch (e) {\n                // Missing bind shim or IE8 + Modernizr, fallback to wrapping\n                return function() {\n                    return Function.prototype.apply.apply(method, [obj, arguments]);\n                };\n            }\n        }\n    }\n\n    // Trace() doesn't print the message in IE, so for that case we need to wrap it\n    function traceForIE() {\n        if (console.log) {\n            if (console.log.apply) {\n                console.log.apply(console, arguments);\n            } else {\n                // In old IE, native console methods themselves don't have apply().\n                Function.prototype.apply.apply(console.log, [console, arguments]);\n            }\n        }\n        if (console.trace) console.trace();\n    }\n\n    // Build the best logging method possible for this env\n    // Wherever possible we want to bind, not wrap, to preserve stack traces\n    function realMethod(methodName) {\n        if (methodName === 'debug') {\n            methodName = 'log';\n        }\n\n        if (typeof console === undefinedType) {\n            return false; // No method possible, for now - 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see https://github.com/pimterry/loglevel for details\n       *\n       */\n\n      self.name = name;\n\n      self.levels = { \"TRACE\": 0, \"DEBUG\": 1, \"INFO\": 2, \"WARN\": 3,\n          \"ERROR\": 4, \"SILENT\": 5};\n\n      self.methodFactory = factory || defaultMethodFactory;\n\n      self.getLevel = function () {\n          return currentLevel;\n      };\n\n      self.setLevel = function (level, persist) {\n          if (typeof level === \"string\" && self.levels[level.toUpperCase()] !== undefined) {\n              level = self.levels[level.toUpperCase()];\n          }\n          if (typeof level === \"number\" && level >= 0 && level <= self.levels.SILENT) {\n              currentLevel = level;\n              if (persist !== false) {  // defaults to true\n                  persistLevelIfPossible(level);\n              }\n              replaceLoggingMethods.call(self, level, name);\n              if (typeof console === undefinedType && level < self.levels.SILENT) {\n                  return \"No console available for logging\";\n              }\n          } else {\n              throw \"log.setLevel() called with invalid level: \" + level;\n          }\n      };\n\n      self.setDefaultLevel = function (level) {\n          if (!getPersistedLevel()) {\n              self.setLevel(level, false);\n          }\n      };\n\n      self.enableAll = function(persist) {\n          self.setLevel(self.levels.TRACE, persist);\n      };\n\n      self.disableAll = function(persist) {\n          self.setLevel(self.levels.SILENT, persist);\n      };\n\n      // Initialize with the right level\n      var initialLevel = getPersistedLevel();\n      if (initialLevel == null) {\n          initialLevel = defaultLevel == null ? \"WARN\" : defaultLevel;\n      }\n      self.setLevel(initialLevel, false);\n    }\n\n    /*\n     *\n     * Top-level API\n     *\n     */\n\n    var defaultLogger = new Logger();\n\n    var _loggersByName = {};\n    defaultLogger.getLogger = function getLogger(name) {\n        if (typeof name !== \"string\" || name === \"\") {\n          throw new TypeError(\"You must supply a name when creating a logger.\");\n        }\n\n        var logger = _loggersByName[name];\n        if (!logger) {\n          logger = _loggersByName[name] = new Logger(\n            name, defaultLogger.getLevel(), defaultLogger.methodFactory);\n        }\n        return logger;\n    };\n\n    // Grab the current global log variable in case of overwrite\n    var _log = (typeof window !== undefinedType) ? window.log : undefined;\n    defaultLogger.noConflict = function() {\n        if (typeof window !== undefinedType &&\n               window.log === defaultLogger) {\n            window.log = _log;\n        }\n\n        return defaultLogger;\n    };\n\n    defaultLogger.getLoggers = function getLoggers() {\n        return _loggersByName;\n    };\n\n    return defaultLogger;\n}));\n"],"file":"loglevel.min.js"}
\ No newline at end of file
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT\n// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,\n// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR\n// OTHER DEALINGS IN THE SOFTWARE.\n\n// Description of import into Moodle:\n// Download from https://github.com/pimterry/loglevel/tree/master/dist\n// Copy loglevel.js into lib/amd/src/ in Moodle folder.\n// Add the license as a comment to the file and these instructions.\n\n/*! loglevel - v1.6.6 - https://github.com/pimterry/loglevel - (c) 2019 Tim Perry - licensed MIT */\n(function (root, definition) {\n    \"use strict\";\n    if (typeof define === 'function' && define.amd) {\n        define(definition);\n    } else if (typeof module === 'object' && module.exports) {\n        module.exports = definition();\n    } else {\n        root.log = definition();\n    }\n}(this, function () {\n    \"use strict\";\n\n    // Slightly dubious tricks to cut down minimized file size\n    var noop = function() {};\n    var undefinedType = \"undefined\";\n    var isIE = (typeof window !== undefinedType) && (\n        /Trident\\/|MSIE /.test(window.navigator.userAgent)\n    );\n\n    var logMethods = [\n        \"trace\",\n        \"debug\",\n        \"info\",\n        \"warn\",\n        \"error\"\n    ];\n\n    // Cross-browser bind equivalent that works at least back to IE6\n    function bindMethod(obj, methodName) {\n        var method = obj[methodName];\n        if (typeof method.bind === 'function') {\n            return method.bind(obj);\n        } else {\n            try {\n                return Function.prototype.bind.call(method, obj);\n            } catch (e) {\n                // Missing bind shim or IE8 + Modernizr, fallback to wrapping\n                return function() {\n                    return Function.prototype.apply.apply(method, [obj, arguments]);\n                };\n            }\n        }\n    }\n\n    // Trace() 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=== undefinedType) return;\n\n          // Use localStorage if available\n          try {\n              window.localStorage[storageKey] = levelName;\n              return;\n          } catch (ignore) {}\n\n          // Use session cookie as fallback\n          try {\n              window.document.cookie =\n                encodeURIComponent(storageKey) + \"=\" + levelName + \";\";\n          } catch (ignore) {}\n      }\n\n      function getPersistedLevel() {\n          var storedLevel;\n\n          if (typeof window === undefinedType) return;\n\n          try {\n              storedLevel = window.localStorage[storageKey];\n          } catch (ignore) {}\n\n          // Fallback to cookies if local storage gives us nothing\n          if (typeof storedLevel === undefinedType) {\n              try {\n                  var cookie = window.document.cookie;\n                  var location = cookie.indexOf(\n                      encodeURIComponent(storageKey) + \"=\");\n                  if 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self.levels[level.toUpperCase()];\n          }\n          if (typeof level === \"number\" && level >= 0 && level <= self.levels.SILENT) {\n              currentLevel = level;\n              if (persist !== false) {  // defaults to true\n                  persistLevelIfPossible(level);\n              }\n              replaceLoggingMethods.call(self, level, name);\n              if (typeof console === undefinedType && level < self.levels.SILENT) {\n                  return \"No console available for logging\";\n              }\n          } else {\n              throw \"log.setLevel() called with invalid level: \" + level;\n          }\n      };\n\n      self.setDefaultLevel = function (level) {\n          if (!getPersistedLevel()) {\n              self.setLevel(level, false);\n          }\n      };\n\n      self.enableAll = function(persist) {\n          self.setLevel(self.levels.TRACE, persist);\n      };\n\n      self.disableAll = function(persist) {\n          self.setLevel(self.levels.SILENT, persist);\n      };\n\n      // Initialize with the right level\n      var initialLevel = getPersistedLevel();\n      if (initialLevel == null) {\n          initialLevel = defaultLevel == null ? \"WARN\" : defaultLevel;\n      }\n      self.setLevel(initialLevel, false);\n    }\n\n    /*\n     *\n     * Top-level API\n     *\n     */\n\n    var defaultLogger = new Logger();\n\n    var _loggersByName = {};\n    defaultLogger.getLogger = function getLogger(name) {\n        if (typeof name !== \"string\" || name === \"\") {\n          throw new TypeError(\"You must supply a name when creating a logger.\");\n        }\n\n        var logger = _loggersByName[name];\n        if (!logger) {\n          logger = _loggersByName[name] = new Logger(\n            name, defaultLogger.getLevel(), defaultLogger.methodFactory);\n        }\n        return logger;\n    };\n\n    // Grab the current global log variable in case of overwrite\n    var _log = (typeof window 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diff --git a/lib/amd/build/modal.min.js b/lib/amd/build/modal.min.js
index 1716e719cee..80e7422363a 100644
--- a/lib/amd/build/modal.min.js
+++ b/lib/amd/build/modal.min.js
@@ -1,2 +1,12 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/modal",["jquery","core/templates","core/notification","core/key_codes","core/custom_interaction_events","core/modal_backdrop","core/event","core/modal_events","core/local/aria/focuslock","core/pending","core/fullscreen"],function(a,b,c,d,e,f,g,h,i,j,k){var l={CONTAINER:"[data-region=\"modal-container\"]",MODAL:"[data-region=\"modal\"]",HEADER:"[data-region=\"header\"]",TITLE:"[data-region=\"title\"]",BODY:"[data-region=\"body\"]",FOOTER:"[data-region=\"footer\"]",HIDE:"[data-action=\"hide\"]",DIALOG:"[role=dialog]",FORM:"form",MENU_BAR:"[role=menubar]",HAS_Z_INDEX:".moodle-has-zindex",CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]"},m={LOADING:"core/loading",BACKDROP:"core/modal_backdrop"},n,o=0,p=function(b){this.root=a(b);this.modal=this.root.find(l.MODAL);this.header=this.modal.find(l.HEADER);this.headerPromise=a.Deferred();this.title=this.header.find(l.TITLE);this.titlePromise=a.Deferred();this.body=this.modal.find(l.BODY);this.bodyPromise=a.Deferred();this.footer=this.modal.find(l.FOOTER);this.footerPromise=a.Deferred();this.hiddenSiblings=[];this.isAttached=!1;this.bodyJS=null;this.footerJS=null;this.modalCount=o++;this.attachmentPoint=document.createElement("div");document.body.append(this.attachmentPoint);if(!this.root.is(l.CONTAINER)){c.exception({message:"Element is not a modal container"})}if(!this.modal.length){c.exception({message:"Container does not contain a modal"})}if(!this.header.length){c.exception({message:"Modal is missing a header region"})}if(!this.title.length){c.exception({message:"Modal header is missing a title region"})}if(!this.body.length){c.exception({message:"Modal is missing a body region"})}if(!this.footer.length){c.exception({message:"Modal is missing a footer region"})}this.registerEventListeners()};p.prototype.attachToDOM=function(){this.getAttachmentPoint().append(this.root);if(this.isAttached){return}i.trapFocus(this.root[0]);if(this.bodyJS){b.runTemplateJS(this.bodyJS);this.bodyJS=null}if(this.footerJS){b.runTemplateJS(this.footerJS);this.footerJS=null}this.isAttached=!0};p.prototype.countOtherVisibleModals=function(){var b=0;a("body").find(l.CONTAINER).each(function(c,d){d=a(d);if(!this.root.is(d)&&d.hasClass("show")){b++}}.bind(this));return b};p.prototype.getBackdrop=function(){if(!n){n=b.render(m.BACKDROP,{}).then(function(b){var c=a(b);return new f(c)}).fail(c.exception)}return n};p.prototype.getRoot=function(){return this.root};p.prototype.getModal=function(){return this.modal};p.prototype.getTitle=function(){return this.title};p.prototype.getBody=function(){return this.body};p.prototype.getFooter=function(){return this.footer};p.prototype.getTitlePromise=function(){return this.titlePromise};p.prototype.getBodyPromise=function(){return this.bodyPromise};p.prototype.getFooterPromise=function(){return this.footerPromise};p.prototype.getModalCount=function(){return this.modalCount};p.prototype.setTitle=function(b){var d=this.getTitle();this.titlePromise=a.Deferred();this.asyncSet(b,d.html.bind(d)).then(function(){this.titlePromise.resolve(d)}.bind(this)).catch(c.exception)};p.prototype.setBody=function(d){this.bodyPromise=a.Deferred();var e=this.getBody();if("string"==typeof d){e.html(d);g.notifyFilterContentUpdated(e);this.getRoot().trigger(h.bodyRendered,this);this.bodyPromise.resolve(e)}else{var f="amd-modal-js-pending-id-"+this.getModalCount();M.util.js_pending(f);var i=null;e.css("overflow","hidden");d=a.when(d);if("pending"==d.state()){var j=e.innerHeight();if(100>j){j=100}e.animate({height:j+"px"},150);e.html("");i=b.render(m.LOADING,{}).then(function(b){var c=a(b).hide();e.html(c);c.fadeIn(150);return a.when(c.promise(),d)}).then(function(a){return a.fadeOut(100).promise()}).then(function(){return d})}else{i=d}i.then(function(a,c){var d=null;if(this.isVisible()){e.css("opacity",0);var f=e.innerHeight();e.html(a);e.css("height","");var g=e.innerHeight();e.css("height",f+"px");d=e.animate({height:g+"px",opacity:1},{duration:150,queue:!1}).promise()}else{e.html(a)}if(c){if(this.isAttached){b.runTemplateJS(c)}else{this.bodyJS=c}}return d}.bind(this)).then(function(a){g.notifyFilterContentUpdated(e);this.getRoot().trigger(h.bodyRendered,this);return a}.bind(this)).then(function(){this.bodyPromise.resolve(e)}.bind(this)).fail(c.exception).always(function(){e.css("height","");e.css("overflow","");e.css("opacity","");M.util.js_complete(f)}).fail(c.exception)}};p.prototype.setFooter=function(d){this.showFooter();this.footerPromise=a.Deferred();var e=this.getFooter();if("string"==typeof d){e.html(d);this.footerPromise.resolve(e)}else{b.render(m.LOADING,{}).then(function(a){e.html(a);return d}).then(function(a,c){e.html(a);if(c){if(this.isAttached){b.runTemplateJS(c)}else{this.footerJS=c}}return e}.bind(this)).then(function(a){this.footerPromise.resolve(a)}.bind(this)).catch(c.exception)}};p.prototype.hasFooterContent=function(){return this.getFooter().children().length?!0:!1};p.prototype.hideFooter=function(){this.getFooter().addClass("hidden")};p.prototype.showFooter=function(){this.getFooter().removeClass("hidden")};p.prototype.setLarge=function(){if(this.isLarge()){return}this.getModal().addClass("modal-lg")};p.prototype.isLarge=function(){return this.getModal().hasClass("modal-lg")};p.prototype.setSmall=function(){if(this.isSmall()){return}this.getModal().removeClass("modal-lg")};p.prototype.isSmall=function(){return!this.getModal().hasClass("modal-lg")};p.prototype.calculateZIndex=function(){var b=a(l.DIALOG+", "+l.MENU_BAR+", "+l.HAS_Z_INDEX),c=parseInt(this.root.css("z-index"));b.each(function(b,d){d=a(d);var e=d.css("z-index")?parseInt(d.css("z-index")):0;if(e>c){c=e}});return c};p.prototype.isVisible=function(){return this.root.hasClass("show")};p.prototype.hasFocus=function(){var b=a(document.activeElement);return this.root.is(b)||this.root.has(b).length};p.prototype.hasTransitions=function(){return this.getRoot().hasClass("fade")};p.prototype.getAttachmentPoint=function(){return a(k.getElement()||this.attachmentPoint)};p.prototype.show=function(){if(this.isVisible()){return a.Deferred().resolve()}var b=new j("core/modal:show");if(this.hasFooterContent()){this.showFooter()}else{this.hideFooter()}this.attachToDOM();return this.getBackdrop().then(function(b){var c=this.calculateZIndex(),d=c+2;this.root.css("z-index",d);b.setZIndex(d-1);b.show();this.root.removeClass("hide").addClass("show");this.accessibilityShow();this.getModal().focus();a("body").addClass("modal-open");this.root.trigger(h.shown,this)}.bind(this)).then(b.resolve)};p.prototype.hideIfNotForm=function(){var a=this.modal.find(l.FORM);if(0==a.length){this.hide()}};p.prototype.hide=function(){this.getBackdrop().done(function(b){i.untrapFocus();if(!this.countOtherVisibleModals()){b.hide();a("body").removeClass("modal-open")}var c=parseInt(this.root.css("z-index"));this.root.css("z-index","");b.setZIndex(c-3);this.accessibilityHide();if(this.hasTransitions()){this.getRoot().one("transitionend webkitTransitionEnd oTransitionEnd",function(){this.getRoot().removeClass("show").addClass("hide")}.bind(this))}else{this.getRoot().removeClass("show").addClass("hide")}if(a(document.body).find(this.getRoot()).length){a(document.body).append(this.getRoot())}this.root.trigger(h.hidden,this)}.bind(this))};p.prototype.destroy=function(){this.hide();this.root.remove();this.root.trigger(h.destroyed,this);this.attachmentPoint.remove()};p.prototype.accessibilityShow=function(){a("body").children().each(function(b,c){if(!this.root.is(c)){c=a(c);var d=c.attr("aria-hidden");if("true"!==d){c.data("previous-aria-hidden",d);this.hiddenSiblings.push(c);c.attr("aria-hidden","true")}}}.bind(this));this.root.attr("aria-hidden","false")};p.prototype.accessibilityHide=function(){this.root.attr("aria-hidden","true");a.each(this.hiddenSiblings,function(b,c){c=a(c);var d=c.data("previous-aria-hidden");if("undefined"==typeof d){c.removeAttr("aria-hidden")}else{c.attr("aria-hidden",d)}});this.hiddenSiblings=[]};p.prototype.registerEventListeners=function(){this.getRoot().on("keydown",function(a){if(!this.isVisible()){return}if(a.keyCode==d.escape){if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this));this.getRoot().click(function(b){if(!a(b.target).closest(l.MODAL).length){if(a(b.target).closest(l.CONTAINER).length){this.hideIfNotForm()}}}.bind(this));e.define(this.getModal(),[e.events.activate]);this.getModal().on(e.events.activate,l.HIDE,function(a,b){this.hide();b.originalEvent.preventDefault()}.bind(this))};p.prototype.registerCloseOnCancel=function(){this.getModal().on(e.events.activate,this.getActionSelector("cancel"),function(b,c){var d=a.Event(h.cancel);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){c.originalEvent.preventDefault();if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this))};p.prototype.registerCloseOnSave=function(){this.getModal().on(e.events.activate,this.getActionSelector("save"),function(b,c){var d=a.Event(h.save);this.getRoot().trigger(d,this);if(!d.isDefaultPrevented()){c.originalEvent.preventDefault();if(this.removeOnClose){this.destroy()}else{this.hide()}}}.bind(this))};p.prototype.asyncSet=function(b,d){var e=b;if("object"!==_typeof(b)||!b.hasOwnProperty("then")){e=a.Deferred();e.resolve(b)}e.then(function(a){d(a)}).fail(c.exception);return e};p.prototype.setButtonText=function(a,b){var c=this.getFooter().find(this.getActionSelector(a));if(!c){throw new Error("Unable to find the '"+a+"' button")}return this.asyncSet(b,c.text.bind(c))};p.prototype.getActionSelector=function(a){return"[data-action='"+a+"']"};p.prototype.setRemoveOnClose=function(a){this.removeOnClose=a};return p});
-//# sourceMappingURL=modal.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * Contain the logic for modals.
+ *
+ * @module     core/modal
+ * @class      modal
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */}define("core/modal",["jquery","core/templates","core/notification","core/key_codes","core/custom_interaction_events","core/modal_backdrop","core/event","core/modal_events","core/local/aria/focuslock","core/pending","core/fullscreen"],(function($,Templates,Notification,KeyCodes,CustomEvents,ModalBackdrop,Event,ModalEvents,FocusLock,Pending,Fullscreen){var backdropPromise,SELECTORS_CONTAINER='[data-region="modal-container"]',SELECTORS_MODAL='[data-region="modal"]',SELECTORS_HEADER='[data-region="header"]',SELECTORS_TITLE='[data-region="title"]',SELECTORS_BODY='[data-region="body"]',SELECTORS_FOOTER='[data-region="footer"]',SELECTORS_HIDE='[data-action="hide"]',SELECTORS_DIALOG="[role=dialog]",SELECTORS_FORM="form",SELECTORS_MENU_BAR="[role=menubar]",SELECTORS_HAS_Z_INDEX=".moodle-has-zindex",TEMPLATES_LOADING="core/loading",TEMPLATES_BACKDROP="core/modal_backdrop",modalCounter=0,Modal=function(root){this.root=$(root),this.modal=this.root.find(SELECTORS_MODAL),this.header=this.modal.find(SELECTORS_HEADER),this.headerPromise=$.Deferred(),this.title=this.header.find(SELECTORS_TITLE),this.titlePromise=$.Deferred(),this.body=this.modal.find(SELECTORS_BODY),this.bodyPromise=$.Deferred(),this.footer=this.modal.find(SELECTORS_FOOTER),this.footerPromise=$.Deferred(),this.hiddenSiblings=[],this.isAttached=!1,this.bodyJS=null,this.footerJS=null,this.modalCount=modalCounter++,this.attachmentPoint=document.createElement("div"),document.body.append(this.attachmentPoint),this.root.is(SELECTORS_CONTAINER)||Notification.exception({message:"Element is not a modal container"}),this.modal.length||Notification.exception({message:"Container does not contain a modal"}),this.header.length||Notification.exception({message:"Modal is missing a header region"}),this.title.length||Notification.exception({message:"Modal header is missing a title region"}),this.body.length||Notification.exception({message:"Modal is missing a body region"}),this.footer.length||Notification.exception({message:"Modal is missing a footer region"}),this.registerEventListeners()};return Modal.prototype.attachToDOM=function(){this.getAttachmentPoint().append(this.root),this.isAttached||(FocusLock.trapFocus(this.root[0]),this.bodyJS&&(Templates.runTemplateJS(this.bodyJS),this.bodyJS=null),this.footerJS&&(Templates.runTemplateJS(this.footerJS),this.footerJS=null),this.isAttached=!0)},Modal.prototype.countOtherVisibleModals=function(){var count=0;return $("body").find(SELECTORS_CONTAINER).each(function(index,element){element=$(element),!this.root.is(element)&&element.hasClass("show")&&count++}.bind(this)),count},Modal.prototype.getBackdrop=function(){return backdropPromise||(backdropPromise=Templates.render(TEMPLATES_BACKDROP,{}).then((function(html){var element=$(html);return new ModalBackdrop(element)})).fail(Notification.exception)),backdropPromise},Modal.prototype.getRoot=function(){return this.root},Modal.prototype.getModal=function(){return this.modal},Modal.prototype.getTitle=function(){return this.title},Modal.prototype.getBody=function(){return this.body},Modal.prototype.getFooter=function(){return this.footer},Modal.prototype.getTitlePromise=function(){return this.titlePromise},Modal.prototype.getBodyPromise=function(){return this.bodyPromise},Modal.prototype.getFooterPromise=function(){return this.footerPromise},Modal.prototype.getModalCount=function(){return this.modalCount},Modal.prototype.setTitle=function(value){var title=this.getTitle();this.titlePromise=$.Deferred(),this.asyncSet(value,title.html.bind(title)).then(function(){this.titlePromise.resolve(title)}.bind(this)).catch(Notification.exception)},Modal.prototype.setBody=function(value){this.bodyPromise=$.Deferred();var body=this.getBody();if("string"==typeof value)body.html(value),Event.notifyFilterContentUpdated(body),this.getRoot().trigger(ModalEvents.bodyRendered,this),this.bodyPromise.resolve(body);else{var jsPendingId="amd-modal-js-pending-id-"+this.getModalCount();M.util.js_pending(jsPendingId);var contentPromise=null;if(body.css("overflow","hidden"),"pending"==(value=$.when(value)).state()){var height=body.innerHeight();height<100&&(height=100),body.animate({height:height+"px"},150),body.html(""),contentPromise=Templates.render(TEMPLATES_LOADING,{}).then((function(html){var loadingIcon=$(html).hide();return body.html(loadingIcon),loadingIcon.fadeIn(150),$.when(loadingIcon.promise(),value)})).then((function(loadingIcon){return loadingIcon.fadeOut(100).promise()})).then((function(){return value}))}else contentPromise=value;contentPromise.then(function(html,js){var result=null;if(this.isVisible()){body.css("opacity",0);var currentHeight=body.innerHeight();body.html(html),body.css("height","");var newHeight=body.innerHeight();body.css("height",currentHeight+"px"),result=body.animate({height:newHeight+"px",opacity:1},{duration:150,queue:!1}).promise()}else body.html(html);return js&&(this.isAttached?Templates.runTemplateJS(js):this.bodyJS=js),result}.bind(this)).then(function(result){return Event.notifyFilterContentUpdated(body),this.getRoot().trigger(ModalEvents.bodyRendered,this),result}.bind(this)).then(function(){this.bodyPromise.resolve(body)}.bind(this)).fail(Notification.exception).always((function(){body.css("height",""),body.css("overflow",""),body.css("opacity",""),M.util.js_complete(jsPendingId)})).fail(Notification.exception)}},Modal.prototype.setFooter=function(value){this.showFooter(),this.footerPromise=$.Deferred();var footer=this.getFooter();"string"==typeof value?(footer.html(value),this.footerPromise.resolve(footer)):Templates.render(TEMPLATES_LOADING,{}).then((function(html){return footer.html(html),value})).then(function(html,js){return footer.html(html),js&&(this.isAttached?Templates.runTemplateJS(js):this.footerJS=js),footer}.bind(this)).then(function(footer){this.footerPromise.resolve(footer)}.bind(this)).catch(Notification.exception)},Modal.prototype.hasFooterContent=function(){return!!this.getFooter().children().length},Modal.prototype.hideFooter=function(){this.getFooter().addClass("hidden")},Modal.prototype.showFooter=function(){this.getFooter().removeClass("hidden")},Modal.prototype.setLarge=function(){this.isLarge()||this.getModal().addClass("modal-lg")},Modal.prototype.isLarge=function(){return this.getModal().hasClass("modal-lg")},Modal.prototype.setSmall=function(){this.isSmall()||this.getModal().removeClass("modal-lg")},Modal.prototype.isSmall=function(){return!this.getModal().hasClass("modal-lg")},Modal.prototype.calculateZIndex=function(){var items=$(SELECTORS_DIALOG+", "+SELECTORS_MENU_BAR+", "+SELECTORS_HAS_Z_INDEX),zIndex=parseInt(this.root.css("z-index"));return items.each((function(index,item){var itemZIndex=(item=$(item)).css("z-index")?parseInt(item.css("z-index")):0;itemZIndex>zIndex&&(zIndex=itemZIndex)})),zIndex},Modal.prototype.isVisible=function(){return this.root.hasClass("show")},Modal.prototype.hasFocus=function(){var target=$(document.activeElement);return this.root.is(target)||this.root.has(target).length},Modal.prototype.hasTransitions=function(){return this.getRoot().hasClass("fade")},Modal.prototype.getAttachmentPoint=function(){return $(Fullscreen.getElement()||this.attachmentPoint)},Modal.prototype.show=function(){if(this.isVisible())return $.Deferred().resolve();var pendingPromise=new Pending("core/modal:show");return this.hasFooterContent()?this.showFooter():this.hideFooter(),this.attachToDOM(),this.getBackdrop().then(function(backdrop){var newIndex=this.calculateZIndex()+2,newBackdropIndex=newIndex-1;this.root.css("z-index",newIndex),backdrop.setZIndex(newBackdropIndex),backdrop.show(),this.root.removeClass("hide").addClass("show"),this.accessibilityShow(),this.getModal().focus(),$("body").addClass("modal-open"),this.root.trigger(ModalEvents.shown,this)}.bind(this)).then(pendingPromise.resolve)},Modal.prototype.hideIfNotForm=function(){0==this.modal.find(SELECTORS_FORM).length&&this.hide()},Modal.prototype.hide=function(){this.getBackdrop().done(function(backdrop){FocusLock.untrapFocus(),this.countOtherVisibleModals()||(backdrop.hide(),$("body").removeClass("modal-open"));var currentIndex=parseInt(this.root.css("z-index"));this.root.css("z-index",""),backdrop.setZIndex(currentIndex-3),this.accessibilityHide(),this.hasTransitions()?this.getRoot().one("transitionend webkitTransitionEnd oTransitionEnd",function(){this.getRoot().removeClass("show").addClass("hide")}.bind(this)):this.getRoot().removeClass("show").addClass("hide"),$(document.body).find(this.getRoot()).length&&$(document.body).append(this.getRoot()),this.root.trigger(ModalEvents.hidden,this)}.bind(this))},Modal.prototype.destroy=function(){this.hide(),this.root.remove(),this.root.trigger(ModalEvents.destroyed,this),this.attachmentPoint.remove()},Modal.prototype.accessibilityShow=function(){$("body").children().each(function(index,child){if(!this.root.is(child)){var hidden=(child=$(child)).attr("aria-hidden");"true"!==hidden&&(child.data("previous-aria-hidden",hidden),this.hiddenSiblings.push(child),child.attr("aria-hidden","true"))}}.bind(this)),this.root.attr("aria-hidden","false")},Modal.prototype.accessibilityHide=function(){this.root.attr("aria-hidden","true"),$.each(this.hiddenSiblings,(function(index,sibling){var previousValue=(sibling=$(sibling)).data("previous-aria-hidden");void 0===previousValue?sibling.removeAttr("aria-hidden"):sibling.attr("aria-hidden",previousValue)})),this.hiddenSiblings=[]},Modal.prototype.registerEventListeners=function(){this.getRoot().on("keydown",function(e){this.isVisible()&&e.keyCode==KeyCodes.escape&&(this.removeOnClose?this.destroy():this.hide())}.bind(this)),this.getRoot().click(function(e){$(e.target).closest(SELECTORS_MODAL).length||$(e.target).closest(SELECTORS_CONTAINER).length&&this.hideIfNotForm()}.bind(this)),CustomEvents.define(this.getModal(),[CustomEvents.events.activate]),this.getModal().on(CustomEvents.events.activate,SELECTORS_HIDE,function(e,data){this.hide(),data.originalEvent.preventDefault()}.bind(this))},Modal.prototype.registerCloseOnCancel=function(){this.getModal().on(CustomEvents.events.activate,this.getActionSelector("cancel"),function(e,data){var cancelEvent=$.Event(ModalEvents.cancel);this.getRoot().trigger(cancelEvent,this),cancelEvent.isDefaultPrevented()||(data.originalEvent.preventDefault(),this.removeOnClose?this.destroy():this.hide())}.bind(this))},Modal.prototype.registerCloseOnSave=function(){this.getModal().on(CustomEvents.events.activate,this.getActionSelector("save"),function(e,data){var saveEvent=$.Event(ModalEvents.save);this.getRoot().trigger(saveEvent,this),saveEvent.isDefaultPrevented()||(data.originalEvent.preventDefault(),this.removeOnClose?this.destroy():this.hide())}.bind(this))},Modal.prototype.asyncSet=function(value,setFunction){var p=value;return"object"===_typeof(value)&&value.hasOwnProperty("then")||(p=$.Deferred()).resolve(value),p.then((function(content){setFunction(content)})).fail(Notification.exception),p},Modal.prototype.setButtonText=function(action,value){var button=this.getFooter().find(this.getActionSelector(action));if(!button)throw new Error("Unable to find the '"+action+"' button");return this.asyncSet(value,button.text.bind(button))},Modal.prototype.getActionSelector=function(action){return"[data-action='"+action+"']"},Modal.prototype.setRemoveOnClose=function(remove){this.removeOnClose=remove},Modal}));
+
+//# sourceMappingURL=modal.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/modal.min.js.map b/lib/amd/build/modal.min.js.map
index 822d321ac54..2ed5e536ae5 100644
--- a/lib/amd/build/modal.min.js.map
+++ b/lib/amd/build/modal.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for modals.\n *\n * @module     core/modal\n * @class      modal\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/templates',\n    'core/notification',\n    'core/key_codes',\n    'core/custom_interaction_events',\n    'core/modal_backdrop',\n    'core/event',\n    'core/modal_events',\n    'core/local/aria/focuslock',\n    'core/pending',\n    'core/fullscreen'\n], function(\n    $,\n    Templates,\n    Notification,\n    KeyCodes,\n    CustomEvents,\n    ModalBackdrop,\n    Event,\n    ModalEvents,\n    FocusLock,\n    Pending,\n    Fullscreen\n) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"modal-container\"]',\n        MODAL: '[data-region=\"modal\"]',\n        HEADER: '[data-region=\"header\"]',\n        TITLE: '[data-region=\"title\"]',\n        BODY: '[data-region=\"body\"]',\n        FOOTER: '[data-region=\"footer\"]',\n        HIDE: '[data-action=\"hide\"]',\n        DIALOG: '[role=dialog]',\n        FORM: 'form',\n        MENU_BAR: '[role=menubar]',\n        HAS_Z_INDEX: '.moodle-has-zindex',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    var TEMPLATES = {\n        LOADING: 'core/loading',\n        BACKDROP: 'core/modal_backdrop',\n    };\n\n    /**\n     * Module singleton for the backdrop to be reused by all Modal instances.\n     */\n    var backdropPromise;\n\n    /**\n     * A counter that gets incremented for each modal created. This can be\n     * used to generate unique values for the modals.\n     */\n    var modalCounter = 0;\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var Modal = function(root) {\n        this.root = $(root);\n        this.modal = this.root.find(SELECTORS.MODAL);\n        this.header = this.modal.find(SELECTORS.HEADER);\n        this.headerPromise = $.Deferred();\n        this.title = this.header.find(SELECTORS.TITLE);\n        this.titlePromise = $.Deferred();\n        this.body = this.modal.find(SELECTORS.BODY);\n        this.bodyPromise = $.Deferred();\n        this.footer = this.modal.find(SELECTORS.FOOTER);\n        this.footerPromise = $.Deferred();\n        this.hiddenSiblings = [];\n        this.isAttached = false;\n        this.bodyJS = null;\n        this.footerJS = null;\n        this.modalCount = modalCounter++;\n        this.attachmentPoint = document.createElement('div');\n        document.body.append(this.attachmentPoint);\n\n        if (!this.root.is(SELECTORS.CONTAINER)) {\n            Notification.exception({message: 'Element is not a modal container'});\n        }\n\n        if (!this.modal.length) {\n            Notification.exception({message: 'Container does not contain a modal'});\n        }\n\n        if (!this.header.length) {\n            Notification.exception({message: 'Modal is missing a header region'});\n        }\n\n        if (!this.title.length) {\n            Notification.exception({message: 'Modal header is missing a title region'});\n        }\n\n        if (!this.body.length) {\n            Notification.exception({message: 'Modal is missing a body region'});\n        }\n\n        if (!this.footer.length) {\n            Notification.exception({message: 'Modal is missing a footer region'});\n        }\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Attach the modal to the correct part of the page.\n     *\n     * If it hasn't already been added it runs any\n     * javascript that has been cached until now.\n     *\n     * @method attachToDOM\n     */\n    Modal.prototype.attachToDOM = function() {\n        this.getAttachmentPoint().append(this.root);\n\n        if (this.isAttached) {\n            return;\n        }\n\n        FocusLock.trapFocus(this.root[0]);\n\n        // If we'd cached any JS then we can run it how that the modal is\n        // attached to the DOM.\n        if (this.bodyJS) {\n            Templates.runTemplateJS(this.bodyJS);\n            this.bodyJS = null;\n        }\n\n        if (this.footerJS) {\n            Templates.runTemplateJS(this.footerJS);\n            this.footerJS = null;\n        }\n\n        this.isAttached = true;\n    };\n\n    /**\n     * Count the number of other visible modals (not including this one).\n     *\n     * @method countOtherVisibleModals\n     * @return {int}\n     */\n    Modal.prototype.countOtherVisibleModals = function() {\n        var count = 0;\n        $('body').find(SELECTORS.CONTAINER).each(function(index, element) {\n            element = $(element);\n\n            // If we haven't found ourself and the element is visible.\n            if (!this.root.is(element) && element.hasClass('show')) {\n                count++;\n            }\n        }.bind(this));\n\n        return count;\n    };\n\n    /**\n     * Get the modal backdrop.\n     *\n     * @method getBackdrop\n     * @return {object} jQuery promise\n     */\n    Modal.prototype.getBackdrop = function() {\n        if (!backdropPromise) {\n            backdropPromise = Templates.render(TEMPLATES.BACKDROP, {})\n                .then(function(html) {\n                    var element = $(html);\n\n                    return new ModalBackdrop(element);\n                })\n                .fail(Notification.exception);\n        }\n\n        return backdropPromise;\n    };\n\n    /**\n     * Get the root element of this modal.\n     *\n     * @method getRoot\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the modal element of this modal.\n     *\n     * @method getModal\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getModal = function() {\n        return this.modal;\n    };\n\n    /**\n     * Get the modal title element.\n     *\n     * @method getTitle\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getTitle = function() {\n        return this.title;\n    };\n\n    /**\n     * Get the modal body element.\n     *\n     * @method getBody\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getBody = function() {\n        return this.body;\n    };\n\n    /**\n     * Get the modal footer element.\n     *\n     * @method getFooter\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getFooter = function() {\n        return this.footer;\n    };\n\n    /**\n     * Get a promise resolving to the title region.\n     *\n     * @method getTitlePromise\n     * @return {Promise}\n     */\n    Modal.prototype.getTitlePromise = function() {\n        return this.titlePromise;\n    };\n\n    /**\n     * Get a promise resolving to the body region.\n     *\n     * @method getBodyPromise\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getBodyPromise = function() {\n        return this.bodyPromise;\n    };\n\n    /**\n     * Get a promise resolving to the footer region.\n     *\n     * @method getFooterPromise\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getFooterPromise = function() {\n        return this.footerPromise;\n    };\n\n    /**\n     * Get the unique modal count.\n     *\n     * @method getModalCount\n     * @return {int}\n     */\n    Modal.prototype.getModalCount = function() {\n        return this.modalCount;\n    };\n\n    /**\n     * Set the modal title element.\n     *\n     * This method is overloaded to take either a string value for the title or a jQuery promise that is resolved with\n     * HTML most commonly from a Str.get_string call.\n     *\n     * @method setTitle\n     * @param {(string|object)} value The title string or jQuery promise which resolves to the title.\n     */\n    Modal.prototype.setTitle = function(value) {\n        var title = this.getTitle();\n        this.titlePromise = $.Deferred();\n\n        this.asyncSet(value, title.html.bind(title))\n        .then(function() {\n            this.titlePromise.resolve(title);\n        }.bind(this))\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Set the modal body element.\n     *\n     * This method is overloaded to take either a string value for the body or a jQuery promise that is resolved with\n     * HTML and Javascript most commonly from a Templates.render call.\n     *\n     * @method setBody\n     * @param {(string|object)} value The body string or jQuery promise which resolves to the body.\n     */\n    Modal.prototype.setBody = function(value) {\n        this.bodyPromise = $.Deferred();\n\n        var body = this.getBody();\n\n        if (typeof value === 'string') {\n            // Just set the value if it's a string.\n            body.html(value);\n            Event.notifyFilterContentUpdated(body);\n            this.getRoot().trigger(ModalEvents.bodyRendered, this);\n            this.bodyPromise.resolve(body);\n        } else {\n            var jsPendingId = 'amd-modal-js-pending-id-' + this.getModalCount();\n            M.util.js_pending(jsPendingId);\n            // Otherwise we assume it's a promise to be resolved with\n            // html and javascript.\n            var contentPromise = null;\n            body.css('overflow', 'hidden');\n\n            // Ensure that the `value` is a jQuery Promise.\n            value = $.when(value);\n\n            if (value.state() == 'pending') {\n                // We're still waiting for the body promise to resolve so\n                // let's show a loading icon.\n                var height = body.innerHeight();\n                if (height < 100) {\n                    height = 100;\n                }\n\n                body.animate({height: height + 'px'}, 150);\n\n                body.html('');\n                contentPromise = Templates.render(TEMPLATES.LOADING, {})\n                    .then(function(html) {\n                        var loadingIcon = $(html).hide();\n                        body.html(loadingIcon);\n                        loadingIcon.fadeIn(150);\n\n                        // We only want the loading icon to fade out\n                        // when the content for the body has finished\n                        // loading.\n                        return $.when(loadingIcon.promise(), value);\n                    })\n                    .then(function(loadingIcon) {\n                        // Once the content has finished loading and\n                        // the loading icon has been shown then we can\n                        // fade the icon away to reveal the content.\n                        return loadingIcon.fadeOut(100).promise();\n                    })\n                    .then(function() {\n                        return value;\n                    });\n            } else {\n                // The content is already loaded so let's just display\n                // it to the user. No need for a loading icon.\n                contentPromise = value;\n            }\n\n            // Now we can actually display the content.\n            contentPromise.then(function(html, js) {\n                var result = null;\n\n                if (this.isVisible()) {\n                    // If the modal is visible then we should display\n                    // the content gracefully for the user.\n                    body.css('opacity', 0);\n                    var currentHeight = body.innerHeight();\n                    body.html(html);\n                    // We need to clear any height values we've set here\n                    // in order to measure the height of the content being\n                    // added. This then allows us to animate the height\n                    // transition.\n                    body.css('height', '');\n                    var newHeight = body.innerHeight();\n                    body.css('height', currentHeight + 'px');\n                    result = body.animate(\n                        {height: newHeight + 'px', opacity: 1},\n                        {duration: 150, queue: false}\n                    ).promise();\n                } else {\n                    // Since the modal isn't visible we can just immediately\n                    // set the content. No need to animate it.\n                    body.html(html);\n                }\n\n                if (js) {\n                    if (this.isAttached) {\n                        // If we're in the DOM then run the JS immediately.\n                        Templates.runTemplateJS(js);\n                    } else {\n                        // Otherwise cache it to be run when we're attached.\n                        this.bodyJS = js;\n                    }\n                }\n\n                return result;\n            }.bind(this))\n            .then(function(result) {\n                Event.notifyFilterContentUpdated(body);\n                this.getRoot().trigger(ModalEvents.bodyRendered, this);\n                return result;\n            }.bind(this))\n            .then(function() {\n                this.bodyPromise.resolve(body);\n                return;\n            }.bind(this))\n            .fail(Notification.exception)\n            .always(function() {\n                // When we're done displaying all of the content we need\n                // to clear the custom values we've set here.\n                body.css('height', '');\n                body.css('overflow', '');\n                body.css('opacity', '');\n                M.util.js_complete(jsPendingId);\n\n                return;\n            })\n            .fail(Notification.exception);\n        }\n    };\n\n    /**\n     * Set the modal footer element. The footer element is made visible, if it\n     * isn't already.\n     *\n     * This method is overloaded to take either a string\n     * value for the body or a jQuery promise that is resolved with HTML and Javascript\n     * most commonly from a Templates.render call.\n     *\n     * @method setFooter\n     * @param {(string|object)} value The footer string or jQuery promise\n     */\n    Modal.prototype.setFooter = function(value) {\n        // Make sure the footer is visible.\n        this.showFooter();\n        this.footerPromise = $.Deferred();\n\n        var footer = this.getFooter();\n\n        if (typeof value === 'string') {\n            // Just set the value if it's a string.\n            footer.html(value);\n            this.footerPromise.resolve(footer);\n        } else {\n            // Otherwise we assume it's a promise to be resolved with\n            // html and javascript.\n            Templates.render(TEMPLATES.LOADING, {})\n            .then(function(html) {\n                footer.html(html);\n\n                return value;\n            })\n            .then(function(html, js) {\n                footer.html(html);\n\n                if (js) {\n                    if (this.isAttached) {\n                        // If we're in the DOM then run the JS immediately.\n                        Templates.runTemplateJS(js);\n                    } else {\n                        // Otherwise cache it to be run when we're attached.\n                        this.footerJS = js;\n                    }\n                }\n\n                return footer;\n            }.bind(this))\n            .then(function(footer) {\n                this.footerPromise.resolve(footer);\n                return;\n            }.bind(this))\n            .catch(Notification.exception);\n        }\n    };\n\n    /**\n     * Check if the footer has any content in it.\n     *\n     * @method hasFooterContent\n     * @return {bool}\n     */\n    Modal.prototype.hasFooterContent = function() {\n        return this.getFooter().children().length ? true : false;\n    };\n\n    /**\n     * Hide the footer element.\n     *\n     * @method hideFooter\n     */\n    Modal.prototype.hideFooter = function() {\n        this.getFooter().addClass('hidden');\n    };\n\n    /**\n     * Show the footer element.\n     *\n     * @method showFooter\n     */\n    Modal.prototype.showFooter = function() {\n        this.getFooter().removeClass('hidden');\n    };\n\n    /**\n     * Mark the modal as a large modal.\n     *\n     * @method setLarge\n     */\n    Modal.prototype.setLarge = function() {\n        if (this.isLarge()) {\n            return;\n        }\n\n        this.getModal().addClass('modal-lg');\n    };\n\n    /**\n     * Check if the modal is a large modal.\n     *\n     * @method isLarge\n     * @return {bool}\n     */\n    Modal.prototype.isLarge = function() {\n        return this.getModal().hasClass('modal-lg');\n    };\n\n    /**\n     * Mark the modal as a small modal.\n     *\n     * @method setSmall\n     */\n    Modal.prototype.setSmall = function() {\n        if (this.isSmall()) {\n            return;\n        }\n\n        this.getModal().removeClass('modal-lg');\n    };\n\n    /**\n     * Check if the modal is a small modal.\n     *\n     * @method isSmall\n     * @return {bool}\n     */\n    Modal.prototype.isSmall = function() {\n        return !this.getModal().hasClass('modal-lg');\n    };\n\n    /**\n     * Determine the highest z-index value currently on the page.\n     *\n     * @method calculateZIndex\n     * @return {int}\n     */\n    Modal.prototype.calculateZIndex = function() {\n        var items = $(SELECTORS.DIALOG + ', ' + SELECTORS.MENU_BAR + ', ' + SELECTORS.HAS_Z_INDEX);\n        var zIndex = parseInt(this.root.css('z-index'));\n\n        items.each(function(index, item) {\n            item = $(item);\n            // Note that webkit browsers won't return the z-index value from the CSS stylesheet\n            // if the element doesn't have a position specified. Instead it'll return \"auto\".\n            var itemZIndex = item.css('z-index') ? parseInt(item.css('z-index')) : 0;\n\n            if (itemZIndex > zIndex) {\n                zIndex = itemZIndex;\n            }\n        });\n\n        return zIndex;\n    };\n\n    /**\n     * Check if this modal is visible.\n     *\n     * @method isVisible\n     * @return {bool}\n     */\n    Modal.prototype.isVisible = function() {\n        return this.root.hasClass('show');\n    };\n\n    /**\n     * Check if this modal has focus.\n     *\n     * @method hasFocus\n     * @return {bool}\n     */\n    Modal.prototype.hasFocus = function() {\n        var target = $(document.activeElement);\n        return this.root.is(target) || this.root.has(target).length;\n    };\n\n    /**\n     * Check if this modal has CSS transitions applied.\n     *\n     * @method hasTransitions\n     * @return {bool}\n     */\n    Modal.prototype.hasTransitions = function() {\n        return this.getRoot().hasClass('fade');\n    };\n\n    /**\n     * Gets the jQuery wrapped node that the Modal should be attached to.\n     *\n     * @returns {jQuery}\n     */\n    Modal.prototype.getAttachmentPoint = function() {\n        return $(Fullscreen.getElement() || this.attachmentPoint);\n    };\n\n    /**\n     * Display this modal. The modal will be attached to the DOM if it hasn't\n     * already been.\n     *\n     * @method show\n     * @returns {Promise}\n     */\n    Modal.prototype.show = function() {\n        if (this.isVisible()) {\n            return $.Deferred().resolve();\n        }\n\n        var pendingPromise = new Pending('core/modal:show');\n\n        if (this.hasFooterContent()) {\n            this.showFooter();\n        } else {\n            this.hideFooter();\n        }\n\n        this.attachToDOM();\n\n        return this.getBackdrop()\n        .then(function(backdrop) {\n            var currentIndex = this.calculateZIndex();\n            var newIndex = currentIndex + 2;\n            var newBackdropIndex = newIndex - 1;\n            this.root.css('z-index', newIndex);\n            backdrop.setZIndex(newBackdropIndex);\n            backdrop.show();\n\n            this.root.removeClass('hide').addClass('show');\n            this.accessibilityShow();\n            this.getModal().focus();\n            $('body').addClass('modal-open');\n            this.root.trigger(ModalEvents.shown, this);\n\n            return;\n        }.bind(this))\n        .then(pendingPromise.resolve);\n    };\n\n    /**\n     * Hide this modal if it does not contain a form.\n     *\n     * @method hideIfNotForm\n     */\n    Modal.prototype.hideIfNotForm = function() {\n        var formElement = this.modal.find(SELECTORS.FORM);\n        if (formElement.length == 0) {\n            this.hide();\n        }\n    };\n\n    /**\n     * Hide this modal.\n     *\n     * @method hide\n     */\n    Modal.prototype.hide = function() {\n        this.getBackdrop().done(function(backdrop) {\n            FocusLock.untrapFocus();\n\n            if (!this.countOtherVisibleModals()) {\n                // Hide the backdrop if we're the last open modal.\n                backdrop.hide();\n                $('body').removeClass('modal-open');\n            }\n\n            var currentIndex = parseInt(this.root.css('z-index'));\n            this.root.css('z-index', '');\n            backdrop.setZIndex(currentIndex - 3);\n\n            this.accessibilityHide();\n\n            if (this.hasTransitions()) {\n                // Wait for CSS transitions to complete before hiding the element.\n                this.getRoot().one('transitionend webkitTransitionEnd oTransitionEnd', function() {\n                    this.getRoot().removeClass('show').addClass('hide');\n                }.bind(this));\n            } else {\n                this.getRoot().removeClass('show').addClass('hide');\n            }\n\n            // Ensure the modal is moved onto the body node if it is still attached to the DOM.\n            if ($(document.body).find(this.getRoot()).length) {\n                $(document.body).append(this.getRoot());\n            }\n\n            this.root.trigger(ModalEvents.hidden, this);\n        }.bind(this));\n    };\n\n    /**\n     * Remove this modal from the DOM.\n     *\n     * @method destroy\n     */\n    Modal.prototype.destroy = function() {\n        this.hide();\n        this.root.remove();\n        this.root.trigger(ModalEvents.destroyed, this);\n        this.attachmentPoint.remove();\n    };\n\n    /**\n     * Sets the appropriate aria attributes on this dialogue and the other\n     * elements in the DOM to ensure that screen readers are able to navigate\n     * the dialogue popup correctly.\n     *\n     * @method accessibilityShow\n     */\n    Modal.prototype.accessibilityShow = function() {\n        // We need to get a list containing each sibling element and the shallowest\n        // non-ancestral nodes in the DOM. We can shortcut this a little by leveraging\n        // the fact that this dialogue is always appended to the document body therefore\n        // it's siblings are the shallowest non-ancestral nodes. If that changes then\n        // this code should also be updated.\n        $('body').children().each(function(index, child) {\n            // Skip the current modal.\n            if (!this.root.is(child)) {\n                child = $(child);\n                var hidden = child.attr('aria-hidden');\n                // If they are already hidden we can ignore them.\n                if (hidden !== 'true') {\n                    // Save their current state.\n                    child.data('previous-aria-hidden', hidden);\n                    this.hiddenSiblings.push(child);\n\n                    // Hide this node from screen readers.\n                    child.attr('aria-hidden', 'true');\n                }\n            }\n        }.bind(this));\n\n        // Make us visible to screen readers.\n        this.root.attr('aria-hidden', 'false');\n    };\n\n    /**\n     * Restores the aria visibility on the DOM elements changed when displaying\n     * the dialogue popup and makes the dialogue aria hidden to allow screen\n     * readers to navigate the main page correctly when the dialogue is closed.\n     *\n     * @method accessibilityHide\n     */\n    Modal.prototype.accessibilityHide = function() {\n        this.root.attr('aria-hidden', 'true');\n\n        // Restore the sibling nodes back to their original values.\n        $.each(this.hiddenSiblings, function(index, sibling) {\n            sibling = $(sibling);\n            var previousValue = sibling.data('previous-aria-hidden');\n            // If the element didn't previously have an aria-hidden attribute\n            // then we can just remove the one we set.\n            if (typeof previousValue == 'undefined') {\n                sibling.removeAttr('aria-hidden');\n            } else {\n                // Otherwise set it back to the old value (which will be false).\n                sibling.attr('aria-hidden', previousValue);\n            }\n        });\n\n        // Clear the cache. No longer need to store these.\n        this.hiddenSiblings = [];\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    Modal.prototype.registerEventListeners = function() {\n        this.getRoot().on('keydown', function(e) {\n            if (!this.isVisible()) {\n                return;\n            }\n\n            if (e.keyCode == KeyCodes.escape) {\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n\n        // Listen for clicks on the modal container.\n        this.getRoot().click(function(e) {\n            // If the click wasn't inside the modal element then we should\n            // hide the modal.\n            if (!$(e.target).closest(SELECTORS.MODAL).length) {\n                // The check above fails to detect the click was inside the modal when the DOM tree is already changed.\n                // So, we check if we can still find the container element or not. If not, then the DOM tree is changed.\n                // It's best not to hide the modal in that case.\n                if ($(e.target).closest(SELECTORS.CONTAINER).length) {\n                    this.hideIfNotForm();\n                }\n            }\n        }.bind(this));\n\n        CustomEvents.define(this.getModal(), [CustomEvents.events.activate]);\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.HIDE, function(e, data) {\n            this.hide();\n            data.originalEvent.preventDefault();\n        }.bind(this));\n    };\n\n    /**\n     * Register a listener to close the dialogue when the cancel button is pressed.\n     *\n     * @method registerCloseOnCancel\n     */\n    Modal.prototype.registerCloseOnCancel = function() {\n        // Handle the clicking of the Cancel button.\n        this.getModal().on(CustomEvents.events.activate, this.getActionSelector('cancel'), function(e, data) {\n            var cancelEvent = $.Event(ModalEvents.cancel);\n            this.getRoot().trigger(cancelEvent, this);\n\n            if (!cancelEvent.isDefaultPrevented()) {\n                data.originalEvent.preventDefault();\n\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n    };\n\n    /**\n     * Register a listener to close the dialogue when the save button is pressed.\n     *\n     * @method registerCloseOnSave\n     */\n    Modal.prototype.registerCloseOnSave = function() {\n        // Handle the clicking of the Cancel button.\n        this.getModal().on(CustomEvents.events.activate, this.getActionSelector('save'), function(e, data) {\n            var saveEvent = $.Event(ModalEvents.save);\n            this.getRoot().trigger(saveEvent, this);\n\n            if (!saveEvent.isDefaultPrevented()) {\n                data.originalEvent.preventDefault();\n\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n    };\n\n    /**\n     * Set or resolve and set the value using the function.\n     *\n     * @method asyncSet\n     * @param {(string|object)} value The string or jQuery promise.\n     * @param {function} setFunction The setter\n     * @return {Promise}\n     */\n    Modal.prototype.asyncSet = function(value, setFunction) {\n        var p = value;\n        if (typeof value !== 'object' || !value.hasOwnProperty('then')) {\n            p = $.Deferred();\n            p.resolve(value);\n        }\n\n        p.then(function(content) {\n            setFunction(content);\n\n            return;\n        })\n        .fail(Notification.exception);\n\n        return p;\n    };\n\n    /**\n     * Set the title text of a button.\n     *\n     * This method is overloaded to take either a string value for the button title or a jQuery promise that is resolved with\n     * text most commonly from a Str.get_string call.\n     *\n     * @param {DOMString} action The action of the button\n     * @param {(String|object)} value The button text, or a promise which will resolve to it\n     * @returns {Promise}\n     */\n    Modal.prototype.setButtonText = function(action, value) {\n        const button = this.getFooter().find(this.getActionSelector(action));\n\n        if (!button) {\n            throw new Error(\"Unable to find the '\" + action + \"' button\");\n        }\n\n        return this.asyncSet(value, button.text.bind(button));\n    };\n\n    /**\n     * Get the Selector for an action.\n     *\n     * @param {String} action\n     * @returns {DOMString}\n     */\n    Modal.prototype.getActionSelector = function(action) {\n        return \"[data-action='\" + action + \"']\";\n    };\n\n    /**\n     * Set the flag to remove the modal from the DOM on close.\n     *\n     * @param {Boolean} remove\n     */\n    Modal.prototype.setRemoveOnClose = function(remove) {\n        this.removeOnClose = remove;\n    };\n\n    return Modal;\n});\n"],"file":"modal.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal.min.js","sources":["../src/modal.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for modals.\n *\n * @module     core/modal\n * @class      modal\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/templates',\n    'core/notification',\n    'core/key_codes',\n    'core/custom_interaction_events',\n    'core/modal_backdrop',\n    'core/event',\n    'core/modal_events',\n    'core/local/aria/focuslock',\n    'core/pending',\n    'core/fullscreen'\n], function(\n    $,\n    Templates,\n    Notification,\n    KeyCodes,\n    CustomEvents,\n    ModalBackdrop,\n    Event,\n    ModalEvents,\n    FocusLock,\n    Pending,\n    Fullscreen\n) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"modal-container\"]',\n        MODAL: '[data-region=\"modal\"]',\n        HEADER: '[data-region=\"header\"]',\n        TITLE: '[data-region=\"title\"]',\n        BODY: '[data-region=\"body\"]',\n        FOOTER: '[data-region=\"footer\"]',\n        HIDE: '[data-action=\"hide\"]',\n        DIALOG: '[role=dialog]',\n        FORM: 'form',\n        MENU_BAR: '[role=menubar]',\n        HAS_Z_INDEX: '.moodle-has-zindex',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    var TEMPLATES = {\n        LOADING: 'core/loading',\n        BACKDROP: 'core/modal_backdrop',\n    };\n\n    /**\n     * Module singleton for the backdrop to be reused by all Modal instances.\n     */\n    var backdropPromise;\n\n    /**\n     * A counter that gets incremented for each modal created. This can be\n     * used to generate unique values for the modals.\n     */\n    var modalCounter = 0;\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var Modal = function(root) {\n        this.root = $(root);\n        this.modal = this.root.find(SELECTORS.MODAL);\n        this.header = this.modal.find(SELECTORS.HEADER);\n        this.headerPromise = $.Deferred();\n        this.title = this.header.find(SELECTORS.TITLE);\n        this.titlePromise = $.Deferred();\n        this.body = this.modal.find(SELECTORS.BODY);\n        this.bodyPromise = $.Deferred();\n        this.footer = this.modal.find(SELECTORS.FOOTER);\n        this.footerPromise = $.Deferred();\n        this.hiddenSiblings = [];\n        this.isAttached = false;\n        this.bodyJS = null;\n        this.footerJS = null;\n        this.modalCount = modalCounter++;\n        this.attachmentPoint = document.createElement('div');\n        document.body.append(this.attachmentPoint);\n\n        if (!this.root.is(SELECTORS.CONTAINER)) {\n            Notification.exception({message: 'Element is not a modal container'});\n        }\n\n        if (!this.modal.length) {\n            Notification.exception({message: 'Container does not contain a modal'});\n        }\n\n        if (!this.header.length) {\n            Notification.exception({message: 'Modal is missing a header region'});\n        }\n\n        if (!this.title.length) {\n            Notification.exception({message: 'Modal header is missing a title region'});\n        }\n\n        if (!this.body.length) {\n            Notification.exception({message: 'Modal is missing a body region'});\n        }\n\n        if (!this.footer.length) {\n            Notification.exception({message: 'Modal is missing a footer region'});\n        }\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Attach the modal to the correct part of the page.\n     *\n     * If it hasn't already been added it runs any\n     * javascript that has been cached until now.\n     *\n     * @method attachToDOM\n     */\n    Modal.prototype.attachToDOM = function() {\n        this.getAttachmentPoint().append(this.root);\n\n        if (this.isAttached) {\n            return;\n        }\n\n        FocusLock.trapFocus(this.root[0]);\n\n        // If we'd cached any JS then we can run it how that the modal is\n        // attached to the DOM.\n        if (this.bodyJS) {\n            Templates.runTemplateJS(this.bodyJS);\n            this.bodyJS = null;\n        }\n\n        if (this.footerJS) {\n            Templates.runTemplateJS(this.footerJS);\n            this.footerJS = null;\n        }\n\n        this.isAttached = true;\n    };\n\n    /**\n     * Count the number of other visible modals (not including this one).\n     *\n     * @method countOtherVisibleModals\n     * @return {int}\n     */\n    Modal.prototype.countOtherVisibleModals = function() {\n        var count = 0;\n        $('body').find(SELECTORS.CONTAINER).each(function(index, element) {\n            element = $(element);\n\n            // If we haven't found ourself and the element is visible.\n            if (!this.root.is(element) && element.hasClass('show')) {\n                count++;\n            }\n        }.bind(this));\n\n        return count;\n    };\n\n    /**\n     * Get the modal backdrop.\n     *\n     * @method getBackdrop\n     * @return {object} jQuery promise\n     */\n    Modal.prototype.getBackdrop = function() {\n        if (!backdropPromise) {\n            backdropPromise = Templates.render(TEMPLATES.BACKDROP, {})\n                .then(function(html) {\n                    var element = $(html);\n\n                    return new ModalBackdrop(element);\n                })\n                .fail(Notification.exception);\n        }\n\n        return backdropPromise;\n    };\n\n    /**\n     * Get the root element of this modal.\n     *\n     * @method getRoot\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the modal element of this modal.\n     *\n     * @method getModal\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getModal = function() {\n        return this.modal;\n    };\n\n    /**\n     * Get the modal title element.\n     *\n     * @method getTitle\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getTitle = function() {\n        return this.title;\n    };\n\n    /**\n     * Get the modal body element.\n     *\n     * @method getBody\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getBody = function() {\n        return this.body;\n    };\n\n    /**\n     * Get the modal footer element.\n     *\n     * @method getFooter\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getFooter = function() {\n        return this.footer;\n    };\n\n    /**\n     * Get a promise resolving to the title region.\n     *\n     * @method getTitlePromise\n     * @return {Promise}\n     */\n    Modal.prototype.getTitlePromise = function() {\n        return this.titlePromise;\n    };\n\n    /**\n     * Get a promise resolving to the body region.\n     *\n     * @method getBodyPromise\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getBodyPromise = function() {\n        return this.bodyPromise;\n    };\n\n    /**\n     * Get a promise resolving to the footer region.\n     *\n     * @method getFooterPromise\n     * @return {object} jQuery object\n     */\n    Modal.prototype.getFooterPromise = function() {\n        return this.footerPromise;\n    };\n\n    /**\n     * Get the unique modal count.\n     *\n     * @method getModalCount\n     * @return {int}\n     */\n    Modal.prototype.getModalCount = function() {\n        return this.modalCount;\n    };\n\n    /**\n     * Set the modal title element.\n     *\n     * This method is overloaded to take either a string value for the title or a jQuery promise that is resolved with\n     * HTML most commonly from a Str.get_string call.\n     *\n     * @method setTitle\n     * @param {(string|object)} value The title string or jQuery promise which resolves to the title.\n     */\n    Modal.prototype.setTitle = function(value) {\n        var title = this.getTitle();\n        this.titlePromise = $.Deferred();\n\n        this.asyncSet(value, title.html.bind(title))\n        .then(function() {\n            this.titlePromise.resolve(title);\n        }.bind(this))\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Set the modal body element.\n     *\n     * This method is overloaded to take either a string value for the body or a jQuery promise that is resolved with\n     * HTML and Javascript most commonly from a Templates.render call.\n     *\n     * @method setBody\n     * @param {(string|object)} value The body string or jQuery promise which resolves to the body.\n     */\n    Modal.prototype.setBody = function(value) {\n        this.bodyPromise = $.Deferred();\n\n        var body = this.getBody();\n\n        if (typeof value === 'string') {\n            // Just set the value if it's a string.\n            body.html(value);\n            Event.notifyFilterContentUpdated(body);\n            this.getRoot().trigger(ModalEvents.bodyRendered, this);\n            this.bodyPromise.resolve(body);\n        } else {\n            var jsPendingId = 'amd-modal-js-pending-id-' + this.getModalCount();\n            M.util.js_pending(jsPendingId);\n            // Otherwise we assume it's a promise to be resolved with\n            // html and javascript.\n            var contentPromise = null;\n            body.css('overflow', 'hidden');\n\n            // Ensure that the `value` is a jQuery Promise.\n            value = $.when(value);\n\n            if (value.state() == 'pending') {\n                // We're still waiting for the body promise to resolve so\n                // let's show a loading icon.\n                var height = body.innerHeight();\n                if (height < 100) {\n                    height = 100;\n                }\n\n                body.animate({height: height + 'px'}, 150);\n\n                body.html('');\n                contentPromise = Templates.render(TEMPLATES.LOADING, {})\n                    .then(function(html) {\n                        var loadingIcon = $(html).hide();\n                        body.html(loadingIcon);\n                        loadingIcon.fadeIn(150);\n\n                        // We only want the loading icon to fade out\n                        // when the content for the body has finished\n                        // loading.\n                        return $.when(loadingIcon.promise(), value);\n                    })\n                    .then(function(loadingIcon) {\n                        // Once the content has finished loading and\n                        // the loading icon has been shown then we can\n                        // fade the icon away to reveal the content.\n                        return loadingIcon.fadeOut(100).promise();\n                    })\n                    .then(function() {\n                        return value;\n                    });\n            } else {\n                // The content is already loaded so let's just display\n                // it to the user. No need for a loading icon.\n                contentPromise = value;\n            }\n\n            // Now we can actually display the content.\n            contentPromise.then(function(html, js) {\n                var result = null;\n\n                if (this.isVisible()) {\n                    // If the modal is visible then we should display\n                    // the content gracefully for the user.\n                    body.css('opacity', 0);\n                    var currentHeight = body.innerHeight();\n                    body.html(html);\n                    // We need to clear any height values we've set here\n                    // in order to measure the height of the content being\n                    // added. This then allows us to animate the height\n                    // transition.\n                    body.css('height', '');\n                    var newHeight = body.innerHeight();\n                    body.css('height', currentHeight + 'px');\n                    result = body.animate(\n                        {height: newHeight + 'px', opacity: 1},\n                        {duration: 150, queue: false}\n                    ).promise();\n                } else {\n                    // Since the modal isn't visible we can just immediately\n                    // set the content. No need to animate it.\n                    body.html(html);\n                }\n\n                if (js) {\n                    if (this.isAttached) {\n                        // If we're in the DOM then run the JS immediately.\n                        Templates.runTemplateJS(js);\n                    } else {\n                        // Otherwise cache it to be run when we're attached.\n                        this.bodyJS = js;\n                    }\n                }\n\n                return result;\n            }.bind(this))\n            .then(function(result) {\n                Event.notifyFilterContentUpdated(body);\n                this.getRoot().trigger(ModalEvents.bodyRendered, this);\n                return result;\n            }.bind(this))\n            .then(function() {\n                this.bodyPromise.resolve(body);\n                return;\n            }.bind(this))\n            .fail(Notification.exception)\n            .always(function() {\n                // When we're done displaying all of the content we need\n                // to clear the custom values we've set here.\n                body.css('height', '');\n                body.css('overflow', '');\n                body.css('opacity', '');\n                M.util.js_complete(jsPendingId);\n\n                return;\n            })\n            .fail(Notification.exception);\n        }\n    };\n\n    /**\n     * Set the modal footer element. The footer element is made visible, if it\n     * isn't already.\n     *\n     * This method is overloaded to take either a string\n     * value for the body or a jQuery promise that is resolved with HTML and Javascript\n     * most commonly from a Templates.render call.\n     *\n     * @method setFooter\n     * @param {(string|object)} value The footer string or jQuery promise\n     */\n    Modal.prototype.setFooter = function(value) {\n        // Make sure the footer is visible.\n        this.showFooter();\n        this.footerPromise = $.Deferred();\n\n        var footer = this.getFooter();\n\n        if (typeof value === 'string') {\n            // Just set the value if it's a string.\n            footer.html(value);\n            this.footerPromise.resolve(footer);\n        } else {\n            // Otherwise we assume it's a promise to be resolved with\n            // html and javascript.\n            Templates.render(TEMPLATES.LOADING, {})\n            .then(function(html) {\n                footer.html(html);\n\n                return value;\n            })\n            .then(function(html, js) {\n                footer.html(html);\n\n                if (js) {\n                    if (this.isAttached) {\n                        // If we're in the DOM then run the JS immediately.\n                        Templates.runTemplateJS(js);\n                    } else {\n                        // Otherwise cache it to be run when we're attached.\n                        this.footerJS = js;\n                    }\n                }\n\n                return footer;\n            }.bind(this))\n            .then(function(footer) {\n                this.footerPromise.resolve(footer);\n                return;\n            }.bind(this))\n            .catch(Notification.exception);\n        }\n    };\n\n    /**\n     * Check if the footer has any content in it.\n     *\n     * @method hasFooterContent\n     * @return {bool}\n     */\n    Modal.prototype.hasFooterContent = function() {\n        return this.getFooter().children().length ? true : false;\n    };\n\n    /**\n     * Hide the footer element.\n     *\n     * @method hideFooter\n     */\n    Modal.prototype.hideFooter = function() {\n        this.getFooter().addClass('hidden');\n    };\n\n    /**\n     * Show the footer element.\n     *\n     * @method showFooter\n     */\n    Modal.prototype.showFooter = function() {\n        this.getFooter().removeClass('hidden');\n    };\n\n    /**\n     * Mark the modal as a large modal.\n     *\n     * @method setLarge\n     */\n    Modal.prototype.setLarge = function() {\n        if (this.isLarge()) {\n            return;\n        }\n\n        this.getModal().addClass('modal-lg');\n    };\n\n    /**\n     * Check if the modal is a large modal.\n     *\n     * @method isLarge\n     * @return {bool}\n     */\n    Modal.prototype.isLarge = function() {\n        return this.getModal().hasClass('modal-lg');\n    };\n\n    /**\n     * Mark the modal as a small modal.\n     *\n     * @method setSmall\n     */\n    Modal.prototype.setSmall = function() {\n        if (this.isSmall()) {\n            return;\n        }\n\n        this.getModal().removeClass('modal-lg');\n    };\n\n    /**\n     * Check if the modal is a small modal.\n     *\n     * @method isSmall\n     * @return {bool}\n     */\n    Modal.prototype.isSmall = function() {\n        return !this.getModal().hasClass('modal-lg');\n    };\n\n    /**\n     * Determine the highest z-index value currently on the page.\n     *\n     * @method calculateZIndex\n     * @return {int}\n     */\n    Modal.prototype.calculateZIndex = function() {\n        var items = $(SELECTORS.DIALOG + ', ' + SELECTORS.MENU_BAR + ', ' + SELECTORS.HAS_Z_INDEX);\n        var zIndex = parseInt(this.root.css('z-index'));\n\n        items.each(function(index, item) {\n            item = $(item);\n            // Note that webkit browsers won't return the z-index value from the CSS stylesheet\n            // if the element doesn't have a position specified. Instead it'll return \"auto\".\n            var itemZIndex = item.css('z-index') ? parseInt(item.css('z-index')) : 0;\n\n            if (itemZIndex > zIndex) {\n                zIndex = itemZIndex;\n            }\n        });\n\n        return zIndex;\n    };\n\n    /**\n     * Check if this modal is visible.\n     *\n     * @method isVisible\n     * @return {bool}\n     */\n    Modal.prototype.isVisible = function() {\n        return this.root.hasClass('show');\n    };\n\n    /**\n     * Check if this modal has focus.\n     *\n     * @method hasFocus\n     * @return {bool}\n     */\n    Modal.prototype.hasFocus = function() {\n        var target = $(document.activeElement);\n        return this.root.is(target) || this.root.has(target).length;\n    };\n\n    /**\n     * Check if this modal has CSS transitions applied.\n     *\n     * @method hasTransitions\n     * @return {bool}\n     */\n    Modal.prototype.hasTransitions = function() {\n        return this.getRoot().hasClass('fade');\n    };\n\n    /**\n     * Gets the jQuery wrapped node that the Modal should be attached to.\n     *\n     * @returns {jQuery}\n     */\n    Modal.prototype.getAttachmentPoint = function() {\n        return $(Fullscreen.getElement() || this.attachmentPoint);\n    };\n\n    /**\n     * Display this modal. The modal will be attached to the DOM if it hasn't\n     * already been.\n     *\n     * @method show\n     * @returns {Promise}\n     */\n    Modal.prototype.show = function() {\n        if (this.isVisible()) {\n            return $.Deferred().resolve();\n        }\n\n        var pendingPromise = new Pending('core/modal:show');\n\n        if (this.hasFooterContent()) {\n            this.showFooter();\n        } else {\n            this.hideFooter();\n        }\n\n        this.attachToDOM();\n\n        return this.getBackdrop()\n        .then(function(backdrop) {\n            var currentIndex = this.calculateZIndex();\n            var newIndex = currentIndex + 2;\n            var newBackdropIndex = newIndex - 1;\n            this.root.css('z-index', newIndex);\n            backdrop.setZIndex(newBackdropIndex);\n            backdrop.show();\n\n            this.root.removeClass('hide').addClass('show');\n            this.accessibilityShow();\n            this.getModal().focus();\n            $('body').addClass('modal-open');\n            this.root.trigger(ModalEvents.shown, this);\n\n            return;\n        }.bind(this))\n        .then(pendingPromise.resolve);\n    };\n\n    /**\n     * Hide this modal if it does not contain a form.\n     *\n     * @method hideIfNotForm\n     */\n    Modal.prototype.hideIfNotForm = function() {\n        var formElement = this.modal.find(SELECTORS.FORM);\n        if (formElement.length == 0) {\n            this.hide();\n        }\n    };\n\n    /**\n     * Hide this modal.\n     *\n     * @method hide\n     */\n    Modal.prototype.hide = function() {\n        this.getBackdrop().done(function(backdrop) {\n            FocusLock.untrapFocus();\n\n            if (!this.countOtherVisibleModals()) {\n                // Hide the backdrop if we're the last open modal.\n                backdrop.hide();\n                $('body').removeClass('modal-open');\n            }\n\n            var currentIndex = parseInt(this.root.css('z-index'));\n            this.root.css('z-index', '');\n            backdrop.setZIndex(currentIndex - 3);\n\n            this.accessibilityHide();\n\n            if (this.hasTransitions()) {\n                // Wait for CSS transitions to complete before hiding the element.\n                this.getRoot().one('transitionend webkitTransitionEnd oTransitionEnd', function() {\n                    this.getRoot().removeClass('show').addClass('hide');\n                }.bind(this));\n            } else {\n                this.getRoot().removeClass('show').addClass('hide');\n            }\n\n            // Ensure the modal is moved onto the body node if it is still attached to the DOM.\n            if ($(document.body).find(this.getRoot()).length) {\n                $(document.body).append(this.getRoot());\n            }\n\n            this.root.trigger(ModalEvents.hidden, this);\n        }.bind(this));\n    };\n\n    /**\n     * Remove this modal from the DOM.\n     *\n     * @method destroy\n     */\n    Modal.prototype.destroy = function() {\n        this.hide();\n        this.root.remove();\n        this.root.trigger(ModalEvents.destroyed, this);\n        this.attachmentPoint.remove();\n    };\n\n    /**\n     * Sets the appropriate aria attributes on this dialogue and the other\n     * elements in the DOM to ensure that screen readers are able to navigate\n     * the dialogue popup correctly.\n     *\n     * @method accessibilityShow\n     */\n    Modal.prototype.accessibilityShow = function() {\n        // We need to get a list containing each sibling element and the shallowest\n        // non-ancestral nodes in the DOM. We can shortcut this a little by leveraging\n        // the fact that this dialogue is always appended to the document body therefore\n        // it's siblings are the shallowest non-ancestral nodes. If that changes then\n        // this code should also be updated.\n        $('body').children().each(function(index, child) {\n            // Skip the current modal.\n            if (!this.root.is(child)) {\n                child = $(child);\n                var hidden = child.attr('aria-hidden');\n                // If they are already hidden we can ignore them.\n                if (hidden !== 'true') {\n                    // Save their current state.\n                    child.data('previous-aria-hidden', hidden);\n                    this.hiddenSiblings.push(child);\n\n                    // Hide this node from screen readers.\n                    child.attr('aria-hidden', 'true');\n                }\n            }\n        }.bind(this));\n\n        // Make us visible to screen readers.\n        this.root.attr('aria-hidden', 'false');\n    };\n\n    /**\n     * Restores the aria visibility on the DOM elements changed when displaying\n     * the dialogue popup and makes the dialogue aria hidden to allow screen\n     * readers to navigate the main page correctly when the dialogue is closed.\n     *\n     * @method accessibilityHide\n     */\n    Modal.prototype.accessibilityHide = function() {\n        this.root.attr('aria-hidden', 'true');\n\n        // Restore the sibling nodes back to their original values.\n        $.each(this.hiddenSiblings, function(index, sibling) {\n            sibling = $(sibling);\n            var previousValue = sibling.data('previous-aria-hidden');\n            // If the element didn't previously have an aria-hidden attribute\n            // then we can just remove the one we set.\n            if (typeof previousValue == 'undefined') {\n                sibling.removeAttr('aria-hidden');\n            } else {\n                // Otherwise set it back to the old value (which will be false).\n                sibling.attr('aria-hidden', previousValue);\n            }\n        });\n\n        // Clear the cache. No longer need to store these.\n        this.hiddenSiblings = [];\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    Modal.prototype.registerEventListeners = function() {\n        this.getRoot().on('keydown', function(e) {\n            if (!this.isVisible()) {\n                return;\n            }\n\n            if (e.keyCode == KeyCodes.escape) {\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n\n        // Listen for clicks on the modal container.\n        this.getRoot().click(function(e) {\n            // If the click wasn't inside the modal element then we should\n            // hide the modal.\n            if (!$(e.target).closest(SELECTORS.MODAL).length) {\n                // The check above fails to detect the click was inside the modal when the DOM tree is already changed.\n                // So, we check if we can still find the container element or not. If not, then the DOM tree is changed.\n                // It's best not to hide the modal in that case.\n                if ($(e.target).closest(SELECTORS.CONTAINER).length) {\n                    this.hideIfNotForm();\n                }\n            }\n        }.bind(this));\n\n        CustomEvents.define(this.getModal(), [CustomEvents.events.activate]);\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.HIDE, function(e, data) {\n            this.hide();\n            data.originalEvent.preventDefault();\n        }.bind(this));\n    };\n\n    /**\n     * Register a listener to close the dialogue when the cancel button is pressed.\n     *\n     * @method registerCloseOnCancel\n     */\n    Modal.prototype.registerCloseOnCancel = function() {\n        // Handle the clicking of the Cancel button.\n        this.getModal().on(CustomEvents.events.activate, this.getActionSelector('cancel'), function(e, data) {\n            var cancelEvent = $.Event(ModalEvents.cancel);\n            this.getRoot().trigger(cancelEvent, this);\n\n            if (!cancelEvent.isDefaultPrevented()) {\n                data.originalEvent.preventDefault();\n\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n    };\n\n    /**\n     * Register a listener to close the dialogue when the save button is pressed.\n     *\n     * @method registerCloseOnSave\n     */\n    Modal.prototype.registerCloseOnSave = function() {\n        // Handle the clicking of the Cancel button.\n        this.getModal().on(CustomEvents.events.activate, this.getActionSelector('save'), function(e, data) {\n            var saveEvent = $.Event(ModalEvents.save);\n            this.getRoot().trigger(saveEvent, this);\n\n            if (!saveEvent.isDefaultPrevented()) {\n                data.originalEvent.preventDefault();\n\n                if (this.removeOnClose) {\n                    this.destroy();\n                } else {\n                    this.hide();\n                }\n            }\n        }.bind(this));\n    };\n\n    /**\n     * Set or resolve and set the value using the function.\n     *\n     * @method asyncSet\n     * @param {(string|object)} value The string or jQuery promise.\n     * @param {function} setFunction The setter\n     * @return {Promise}\n     */\n    Modal.prototype.asyncSet = function(value, setFunction) {\n        var p = value;\n        if (typeof value !== 'object' || !value.hasOwnProperty('then')) {\n            p = $.Deferred();\n            p.resolve(value);\n        }\n\n        p.then(function(content) {\n            setFunction(content);\n\n            return;\n        })\n        .fail(Notification.exception);\n\n        return p;\n    };\n\n    /**\n     * Set the title text of a button.\n     *\n     * This method is overloaded to take either a string value for the button title or a jQuery promise that 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\ No newline at end of file
diff --git a/lib/amd/build/modal_backdrop.min.js b/lib/amd/build/modal_backdrop.min.js
index 5ebc43059e6..c4d90548bba 100644
--- a/lib/amd/build/modal_backdrop.min.js
+++ b/lib/amd/build/modal_backdrop.min.js
@@ -1,2 +1,12 @@
-define ("core/modal_backdrop",["jquery","core/templates","core/notification","core/fullscreen"],function(a,b,c,d){var e={ROOT:"[data-region=\"modal-backdrop\"]"},f=function(b){this.root=a(b);this.isAttached=!1;this.attachmentPoint=document.createElement("div");document.body.append(this.attachmentPoint);if(!this.root.is(e.ROOT)){c.exception({message:"Element is not a modal backdrop"})}};f.prototype.getRoot=function(){return this.root};f.prototype.getAttachmentPoint=function(){return a(d.getElement()||this.attachmentPoint)};f.prototype.attachToDOM=function(){this.getAttachmentPoint().append(this.root);if(this.isAttached){return}this.isAttached=!0};f.prototype.setZIndex=function(a){this.root.css("z-index",a)};f.prototype.isVisible=function(){return this.root.hasClass("show")};f.prototype.hasTransitions=function(){return this.getRoot().hasClass("fade")};f.prototype.show=function(){if(this.isVisible()){return}this.attachToDOM();this.root.removeClass("hide").addClass("show")};f.prototype.hide=function(){if(!this.isVisible()){return}if(this.hasTransitions()){this.getRoot().one("transitionend webkitTransitionEnd oTransitionEnd",function(){this.getRoot().removeClass("show").addClass("hide")}.bind(this))}else{this.getRoot().removeClass("show").addClass("hide")}if(a(document.body).find(this.getRoot()).length){a(document.body).append(this.getRoot())}};f.prototype.destroy=function(){this.root.remove();this.attachmentPoint.remove()};return f});
-//# sourceMappingURL=modal_backdrop.min.js.map
+/**
+ * Contain the logic for modal backdrops.
+ *
+ * @module     core/modal_backdrop
+ * @class      modal_backdrop
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/modal_backdrop",["jquery","core/templates","core/notification","core/fullscreen"],(function($,Templates,Notification,Fullscreen){var SELECTORS_ROOT='[data-region="modal-backdrop"]',ModalBackdrop=function(root){this.root=$(root),this.isAttached=!1,this.attachmentPoint=document.createElement("div"),document.body.append(this.attachmentPoint),this.root.is(SELECTORS_ROOT)||Notification.exception({message:"Element is not a modal backdrop"})};return ModalBackdrop.prototype.getRoot=function(){return this.root},ModalBackdrop.prototype.getAttachmentPoint=function(){return $(Fullscreen.getElement()||this.attachmentPoint)},ModalBackdrop.prototype.attachToDOM=function(){this.getAttachmentPoint().append(this.root),this.isAttached||(this.isAttached=!0)},ModalBackdrop.prototype.setZIndex=function(value){this.root.css("z-index",value)},ModalBackdrop.prototype.isVisible=function(){return this.root.hasClass("show")},ModalBackdrop.prototype.hasTransitions=function(){return this.getRoot().hasClass("fade")},ModalBackdrop.prototype.show=function(){this.isVisible()||(this.attachToDOM(),this.root.removeClass("hide").addClass("show"))},ModalBackdrop.prototype.hide=function(){this.isVisible()&&(this.hasTransitions()?this.getRoot().one("transitionend webkitTransitionEnd oTransitionEnd",function(){this.getRoot().removeClass("show").addClass("hide")}.bind(this)):this.getRoot().removeClass("show").addClass("hide"),$(document.body).find(this.getRoot()).length&&$(document.body).append(this.getRoot()))},ModalBackdrop.prototype.destroy=function(){this.root.remove(),this.attachmentPoint.remove()},ModalBackdrop}));
+
+//# sourceMappingURL=modal_backdrop.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/modal_backdrop.min.js.map b/lib/amd/build/modal_backdrop.min.js.map
index 057e7c1c589..227c946bfda 100644
--- a/lib/amd/build/modal_backdrop.min.js.map
+++ b/lib/amd/build/modal_backdrop.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for modal backdrops.\n *\n * @module     core/modal_backdrop\n * @class      modal_backdrop\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/fullscreen'],\n     function($, Templates, Notification, Fullscreen) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"modal-backdrop\"]',\n    };\n\n    /**\n     * Constructor for ModalBackdrop.\n     *\n     * @param {object} root The root element for the modal backdrop\n     */\n    var ModalBackdrop = function(root) {\n        this.root = $(root);\n        this.isAttached = false;\n        this.attachmentPoint = document.createElement('div');\n        document.body.append(this.attachmentPoint);\n\n        if (!this.root.is(SELECTORS.ROOT)) {\n            Notification.exception({message: 'Element is not a modal backdrop'});\n        }\n    };\n\n    /**\n     * Get the root element of this modal backdrop.\n     *\n     * @method getRoot\n     * @return {object} jQuery object\n     */\n    ModalBackdrop.prototype.getRoot = function() {\n        return this.root;\n    };\n\n     /**\n      * Gets the jQuery wrapped node that the Modal should be attached to.\n      *\n      * @returns {jQuery}\n      */\n     ModalBackdrop.prototype.getAttachmentPoint = function() {\n         return $(Fullscreen.getElement() || this.attachmentPoint);\n     };\n\n    /**\n     * Add the modal backdrop to the page, if it hasn't already been added.\n     *\n     * @method attachToDOM\n     */\n    ModalBackdrop.prototype.attachToDOM = function() {\n        this.getAttachmentPoint().append(this.root);\n\n        if (this.isAttached) {\n            return;\n        }\n\n        this.isAttached = true;\n    };\n\n    /**\n     * Set the z-index value for this backdrop.\n     *\n     * @method setZIndex\n     * @param {int} value The z-index value\n     */\n    ModalBackdrop.prototype.setZIndex = function(value) {\n        this.root.css('z-index', value);\n    };\n\n    /**\n     * Check if this backdrop is visible.\n     *\n     * @method isVisible\n     * @return {bool}\n     */\n    ModalBackdrop.prototype.isVisible = function() {\n        return this.root.hasClass('show');\n    };\n\n    /**\n     * Check if this backdrop has CSS transitions applied.\n     *\n     * @method hasTransitions\n     * @return {bool}\n     */\n    ModalBackdrop.prototype.hasTransitions = function() {\n        return this.getRoot().hasClass('fade');\n    };\n\n    /**\n     * Display this backdrop. The backdrop will be attached to the DOM if it hasn't\n     * already been.\n     *\n     * @method show\n     */\n    ModalBackdrop.prototype.show = function() {\n        if (this.isVisible()) {\n            return;\n        }\n\n        this.attachToDOM();\n\n        this.root.removeClass('hide').addClass('show');\n    };\n\n    /**\n     * Hide this backdrop.\n     *\n     * @method hide\n     */\n    ModalBackdrop.prototype.hide = function() {\n        if (!this.isVisible()) {\n            return;\n        }\n\n        if (this.hasTransitions()) {\n            // Wait for CSS transitions to complete before hiding the element.\n            this.getRoot().one('transitionend webkitTransitionEnd oTransitionEnd', function() {\n                this.getRoot().removeClass('show').addClass('hide');\n            }.bind(this));\n        } else {\n            this.getRoot().removeClass('show').addClass('hide');\n        }\n\n        // Ensure the modal is moved onto the body node if it is still attached to the DOM.\n        if ($(document.body).find(this.getRoot()).length) {\n            $(document.body).append(this.getRoot());\n        }\n    };\n\n    /**\n     * Remove this backdrop from the DOM.\n     *\n     * @method destroy\n     */\n    ModalBackdrop.prototype.destroy = function() {\n        this.root.remove();\n        this.attachmentPoint.remove();\n    };\n\n    return ModalBackdrop;\n});\n"],"file":"modal_backdrop.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal_backdrop.min.js","sources":["../src/modal_backdrop.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for modal backdrops.\n *\n * @module     core/modal_backdrop\n * @class      modal_backdrop\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/fullscreen'],\n     function($, Templates, Notification, Fullscreen) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"modal-backdrop\"]',\n    };\n\n    /**\n     * Constructor for ModalBackdrop.\n     *\n     * @param {object} root The root element for the modal backdrop\n     */\n    var ModalBackdrop = function(root) {\n        this.root = $(root);\n        this.isAttached = false;\n        this.attachmentPoint = document.createElement('div');\n        document.body.append(this.attachmentPoint);\n\n        if (!this.root.is(SELECTORS.ROOT)) {\n            Notification.exception({message: 'Element is not a modal backdrop'});\n        }\n    };\n\n    /**\n     * Get the root element of this modal backdrop.\n     *\n     * @method getRoot\n     * @return {object} jQuery object\n     */\n    ModalBackdrop.prototype.getRoot = function() {\n        return this.root;\n    };\n\n     /**\n      * Gets the jQuery wrapped node that the Modal should be attached to.\n      *\n      * @returns {jQuery}\n      */\n     ModalBackdrop.prototype.getAttachmentPoint = function() {\n         return $(Fullscreen.getElement() || this.attachmentPoint);\n     };\n\n    /**\n     * Add the modal backdrop to the page, if it hasn't already been added.\n     *\n     * @method attachToDOM\n     */\n    ModalBackdrop.prototype.attachToDOM = function() {\n        this.getAttachmentPoint().append(this.root);\n\n        if (this.isAttached) {\n            return;\n        }\n\n        this.isAttached = true;\n    };\n\n    /**\n     * Set the z-index value for this backdrop.\n     *\n     * @method setZIndex\n     * @param {int} value The z-index value\n     */\n    ModalBackdrop.prototype.setZIndex = function(value) {\n        this.root.css('z-index', value);\n    };\n\n    /**\n     * Check if this backdrop is visible.\n     *\n     * @method isVisible\n     * @return {bool}\n     */\n    ModalBackdrop.prototype.isVisible = function() {\n        return this.root.hasClass('show');\n    };\n\n    /**\n     * Check if this backdrop has CSS transitions applied.\n     *\n     * @method hasTransitions\n     * @return {bool}\n     */\n    ModalBackdrop.prototype.hasTransitions = function() {\n        return this.getRoot().hasClass('fade');\n    };\n\n    /**\n     * Display this backdrop. The backdrop will be attached to the DOM if it hasn't\n     * already been.\n     *\n     * @method show\n     */\n    ModalBackdrop.prototype.show = function() {\n        if (this.isVisible()) {\n            return;\n        }\n\n        this.attachToDOM();\n\n        this.root.removeClass('hide').addClass('show');\n    };\n\n    /**\n     * Hide this backdrop.\n     *\n     * @method hide\n     */\n    ModalBackdrop.prototype.hide = function() {\n        if (!this.isVisible()) {\n            return;\n        }\n\n        if (this.hasTransitions()) {\n            // Wait for CSS transitions to complete before hiding the element.\n            this.getRoot().one('transitionend webkitTransitionEnd oTransitionEnd', function() {\n                this.getRoot().removeClass('show').addClass('hide');\n            }.bind(this));\n        } else {\n            this.getRoot().removeClass('show').addClass('hide');\n        }\n\n        // Ensure the modal is moved onto the body node if it is still attached to the DOM.\n        if ($(document.body).find(this.getRoot()).length) {\n            $(document.body).append(this.getRoot());\n        }\n    };\n\n    /**\n     * Remove this backdrop from the DOM.\n     *\n     * @method destroy\n     */\n    ModalBackdrop.prototype.destroy = function() {\n        this.root.remove();\n        this.attachmentPoint.remove();\n    };\n\n    return ModalBackdrop;\n});\n"],"names":["define","$","Templates","Notification","Fullscreen","SELECTORS","ModalBackdrop","root","isAttached","attachmentPoint","document","createElement","body","append","this","is","exception","message","prototype","getRoot","getAttachmentPoint","getElement","attachToDOM","setZIndex","value","css","isVisible","hasClass","hasTransitions","show","removeClass","addClass","hide","one","bind","find","length","destroy","remove"],"mappings":";;;;;;;;;AAwBAA,6BAAO,CAAC,SAAU,iBAAkB,oBAAqB,oBACpD,SAASC,EAAGC,UAAWC,aAAcC,gBAElCC,eACM,iCAQNC,cAAgB,SAASC,WACpBA,KAAON,EAAEM,WACTC,YAAa,OACbC,gBAAkBC,SAASC,cAAc,OAC9CD,SAASE,KAAKC,OAAOC,KAAKL,iBAErBK,KAAKP,KAAKQ,GAAGV,iBACdF,aAAaa,UAAU,CAACC,QAAS,4CAUzCX,cAAcY,UAAUC,QAAU,kBACvBL,KAAKP,MAQfD,cAAcY,UAAUE,mBAAqB,kBAClCnB,EAAEG,WAAWiB,cAAgBP,KAAKL,kBAQ9CH,cAAcY,UAAUI,YAAc,gBAC7BF,qBAAqBP,OAAOC,KAAKP,MAElCO,KAAKN,kBAIJA,YAAa,IAStBF,cAAcY,UAAUK,UAAY,SAASC,YACpCjB,KAAKkB,IAAI,UAAWD,QAS7BlB,cAAcY,UAAUQ,UAAY,kBACzBZ,KAAKP,KAAKoB,SAAS,SAS9BrB,cAAcY,UAAUU,eAAiB,kBAC9Bd,KAAKK,UAAUQ,SAAS,SASnCrB,cAAcY,UAAUW,KAAO,WACvBf,KAAKY,mBAIJJ,mBAEAf,KAAKuB,YAAY,QAAQC,SAAS,UAQ3CzB,cAAcY,UAAUc,KAAO,WACtBlB,KAAKY,cAINZ,KAAKc,sBAEAT,UAAUc,IAAI,mDAAoD,gBAC9Dd,UAAUW,YAAY,QAAQC,SAAS,SAC9CG,KAAKpB,YAEFK,UAAUW,YAAY,QAAQC,SAAS,QAI5C9B,EAAES,SAASE,MAAMuB,KAAKrB,KAAKK,WAAWiB,QACtCnC,EAAES,SAASE,MAAMC,OAAOC,KAAKK,aASrCb,cAAcY,UAAUmB,QAAU,gBACzB9B,KAAK+B,cACL7B,gBAAgB6B,UAGlBhC"}
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diff --git a/lib/amd/build/modal_cancel.min.js b/lib/amd/build/modal_cancel.min.js
index 9c710830a1f..1abf37f23bb 100644
--- a/lib/amd/build/modal_cancel.min.js
+++ b/lib/amd/build/modal_cancel.min.js
@@ -1,2 +1,3 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core/modal_cancel",["exports","core/modal"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function d(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function e(a,b,c){if(b)d(a.prototype,b);if(c)d(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}function f(){if("undefined"!=typeof Reflect&&Reflect.get){f=Reflect.get}else{f=function(a,b,c){var d=g(a,b);if(!d)return;var e=Object.getOwnPropertyDescriptor(d,b);if(e.get){return e.get.call(3>arguments.length?a:c)}return e.value}}return f.apply(this,arguments)}function g(a,b){while(!Object.prototype.hasOwnProperty.call(a,b)){a=n(a);if(null===a)break}return a}function h(a,b){if("function"!=typeof b&&null!==b){throw new TypeError("Super expression must either be null or a function")}a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}});Object.defineProperty(a,"prototype",{writable:!1});if(b)i(a,b)}function i(a,b){i=Object.setPrototypeOf||function(a,b){a.__proto__=b;return a};return i(a,b)}function j(a){var b=m();return function(){var c=n(a),d;if(b){var e=n(this).constructor;d=Reflect.construct(c,arguments,e)}else{d=c.apply(this,arguments)}return k(this,d)}}function k(a,b){if(b&&("object"===_typeof(b)||"function"==typeof b)){return b}else if(void 0!==b){throw new TypeError("Derived constructors may only return object or undefined")}return l(a)}function l(a){if(void 0===a){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return a}function m(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){}));return!0}catch(a){return!1}}function n(a){n=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)};return n(a)}var o=function(a){h(d,a);var b=j(d);function d(a){var e;c(this,d);e=b.call(this,a);if(!e.getFooter().find(e.getActionSelector("cancel")).length){Notification.exception({message:"No cancel button found"})}return e}e(d,[{key:"registerEventListeners",value:function registerEventListeners(){f(n(d.prototype),"registerEventListeners",this).call(this);this.registerCloseOnCancel()}}]);return d}(b.default);a.default=o;return a.default});
-//# sourceMappingURL=modal_cancel.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("core/modal_cancel",["exports","core/modal"],(function(_exports,_modal){var obj;function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}function _get(){return _get="undefined"!=typeof Reflect&&Reflect.get?Reflect.get:function(target,property,receiver){var base=_superPropBase(target,property);if(base){var desc=Object.getOwnPropertyDescriptor(base,property);return desc.get?desc.get.call(arguments.length<3?target:receiver):desc.value}},_get.apply(this,arguments)}function _superPropBase(object,property){for(;!Object.prototype.hasOwnProperty.call(object,property)&&null!==(object=_getPrototypeOf(object)););return object}function _setPrototypeOf(o,p){return _setPrototypeOf=Object.setPrototypeOf||function(o,p){return o.__proto__=p,o},_setPrototypeOf(o,p)}function _createSuper(Derived){var hasNativeReflectConstruct=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(e){return!1}}();return function(){var result,Super=_getPrototypeOf(Derived);if(hasNativeReflectConstruct){var NewTarget=_getPrototypeOf(this).constructor;result=Reflect.construct(Super,arguments,NewTarget)}else result=Super.apply(this,arguments);return _possibleConstructorReturn(this,result)}}function _possibleConstructorReturn(self,call){if(call&&("object"===_typeof(call)||"function"==typeof call))return call;if(void 0!==call)throw new TypeError("Derived constructors may only return object or undefined");return function(self){if(void 0===self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return self}(self)}function _getPrototypeOf(o){return _getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function(o){return o.__proto__||Object.getPrototypeOf(o)},_getPrototypeOf(o)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;var _default=function(_Modal){!function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function");subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,writable:!0,configurable:!0}}),Object.defineProperty(subClass,"prototype",{writable:!1}),superClass&&_setPrototypeOf(subClass,superClass)}(_default,_Modal);var Constructor,protoProps,staticProps,_super=_createSuper(_default);function _default(root){var _this;return function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,_default),(_this=_super.call(this,root)).getFooter().find(_this.getActionSelector("cancel")).length||Notification.exception({message:"No cancel button found"}),_this}return Constructor=_default,(protoProps=[{key:"registerEventListeners",value:function(){_get(_getPrototypeOf(_default.prototype),"registerEventListeners",this).call(this),this.registerCloseOnCancel()}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),_default}((_modal=(obj=_modal)&&obj.__esModule?obj:{default:obj}).default);return _exports.default=_default,_exports.default}));
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diff --git a/lib/amd/build/modal_cancel.min.js.map b/lib/amd/build/modal_cancel.min.js.map
index d2bc14c2999..813ddca1692 100644
--- a/lib/amd/build/modal_cancel.min.js.map
+++ b/lib/amd/build/modal_cancel.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/modal_cancel.js"],"names":["root","getFooter","find","getActionSelector","length","Notification","exception","message","registerCloseOnCancel","Modal"],"mappings":"oaAwBA,uD,69DAGI,WAAYA,CAAZ,CAAkB,iBACd,cAAMA,CAAN,EAEA,GAAI,CAAC,EAAKC,SAAL,GAAiBC,IAAjB,CAAsB,EAAKC,iBAAL,CAAuB,QAAvB,CAAtB,EAAwDC,MAA7D,CAAqE,CACjEC,YAAY,CAACC,SAAb,CAAuB,CAACC,OAAO,CAAE,wBAAV,CAAvB,CACH,CALa,QAMjB,C,yCAKD,iCAAyB,CAErB,2DAGA,KAAKC,qBAAL,EACH,C,cAlBwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the cancel modal.\n *\n * @module     core/modal_cancel\n * @class      modal_cancel\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Modal from 'core/modal';\n\nexport default class extends Modal {\n    constructor(root) {\n        super(root);\n\n        if (!this.getFooter().find(this.getActionSelector('cancel')).length) {\n            Notification.exception({message: 'No cancel button found'});\n        }\n    }\n\n    /**\n     * Register all event listeners.\n     */\n    registerEventListeners() {\n        // Call the parent registration.\n        super.registerEventListeners();\n\n        // Register to close on cancel.\n        this.registerCloseOnCancel();\n    }\n}\n"],"file":"modal_cancel.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal_cancel.min.js","sources":["../src/modal_cancel.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the cancel modal.\n *\n * @module     core/modal_cancel\n * @class      modal_cancel\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Modal from 'core/modal';\n\nexport default class extends Modal {\n    constructor(root) {\n        super(root);\n\n        if (!this.getFooter().find(this.getActionSelector('cancel')).length) {\n            Notification.exception({message: 'No cancel button found'});\n        }\n    }\n\n    /**\n     * Register all event listeners.\n     */\n    registerEventListeners() {\n        // Call the parent registration.\n        super.registerEventListeners();\n\n        // Register to close on cancel.\n        this.registerCloseOnCancel();\n    }\n}\n"],"names":["root","getFooter","find","_this","getActionSelector","length","Notification","exception","message","registerCloseOnCancel"],"mappings":"u6FA2BgBA,6LACFA,OAEIC,YAAYC,KAAKC,MAAKC,kBAAkB,WAAWC,QACzDC,aAAaC,UAAU,CAACC,QAAS,8GAOzC,mGAKSC"}
\ No newline at end of file
diff --git a/lib/amd/build/modal_events.min.js b/lib/amd/build/modal_events.min.js
index ca97402ae97..bf3974bfdf0 100644
--- a/lib/amd/build/modal_events.min.js
+++ b/lib/amd/build/modal_events.min.js
@@ -1,2 +1,12 @@
-define ("core/modal_events",[],function(){return{shown:"modal:shown",hidden:"modal:hidden",destroyed:"modal:destroyed",bodyRendered:"modal:bodyRendered",save:"modal-save-cancel:save",cancel:"modal-save-cancel:cancel"}});
-//# sourceMappingURL=modal_events.min.js.map
+/**
+ * Contain the events a modal can fire.
+ *
+ * @module     core/modal_events
+ * @class      modal_events
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/modal_events",[],(function(){return{shown:"modal:shown",hidden:"modal:hidden",destroyed:"modal:destroyed",bodyRendered:"modal:bodyRendered",save:"modal-save-cancel:save",cancel:"modal-save-cancel:cancel"}}));
+
+//# sourceMappingURL=modal_events.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/modal_events.min.js.map b/lib/amd/build/modal_events.min.js.map
index d7749db8255..60c5b88575f 100644
--- a/lib/amd/build/modal_events.min.js.map
+++ b/lib/amd/build/modal_events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/modal_events.js"],"names":["define","shown","hidden","destroyed","bodyRendered","save","cancel"],"mappings":"AAwBAA,OAAM,qBAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CAEHC,KAAK,CAAE,aAFJ,CAGHC,MAAM,CAAE,cAHL,CAIHC,SAAS,CAAE,iBAJR,CAKHC,YAAY,CAAE,oBALX,CAOHC,IAAI,CAAE,wBAPH,CAQHC,MAAM,CAAE,0BARL,CAUV,CAXK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events a modal can fire.\n *\n * @module     core/modal_events\n * @class      modal_events\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        // Default events.\n        shown: 'modal:shown',\n        hidden: 'modal:hidden',\n        destroyed: 'modal:destroyed',\n        bodyRendered: 'modal:bodyRendered',\n        // ModalSaveCancel events.\n        save: 'modal-save-cancel:save',\n        cancel: 'modal-save-cancel:cancel',\n    };\n});\n"],"file":"modal_events.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal_events.min.js","sources":["../src/modal_events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events a modal can fire.\n *\n * @module     core/modal_events\n * @class      modal_events\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        // Default events.\n        shown: 'modal:shown',\n        hidden: 'modal:hidden',\n        destroyed: 'modal:destroyed',\n        bodyRendered: 'modal:bodyRendered',\n        // ModalSaveCancel events.\n        save: 'modal-save-cancel:save',\n        cancel: 'modal-save-cancel:cancel',\n    };\n});\n"],"names":["define","shown","hidden","destroyed","bodyRendered","save","cancel"],"mappings":";;;;;;;;;AAwBAA,2BAAO,IAAI,iBACA,CAEHC,MAAO,cACPC,OAAQ,eACRC,UAAW,kBACXC,aAAc,qBAEdC,KAAM,yBACNC,OAAQ"}
\ No newline at end of file
diff --git a/lib/amd/build/modal_factory.min.js b/lib/amd/build/modal_factory.min.js
index 9148d7108c1..682cc178476 100644
--- a/lib/amd/build/modal_factory.min.js
+++ b/lib/amd/build/modal_factory.min.js
@@ -1,2 +1,12 @@
-function _slicedToArray(a,b){return _arrayWithHoles(a)||_iterableToArrayLimit(a,b)||_unsupportedIterableToArray(a,b)||_nonIterableRest()}function _nonIterableRest(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function _unsupportedIterableToArray(a,b){if(!a)return;if("string"==typeof a)return _arrayLikeToArray(a,b);var c=Object.prototype.toString.call(a).slice(8,-1);if("Object"===c&&a.constructor)c=a.constructor.name;if("Map"===c||"Set"===c)return Array.from(a);if("Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c))return _arrayLikeToArray(a,b)}function _arrayLikeToArray(a,b){if(null==b||b>a.length)b=a.length;for(var c=0,d=Array(b);c<b;c++){d[c]=a[c]}return d}function _iterableToArrayLimit(a,b){var c=null==a?null:"undefined"!=typeof Symbol&&a[Symbol.iterator]||a["@@iterator"];if(null==c)return;var d=[],e=!0,f=!1,g,h;try{for(c=c.call(a);!(e=(g=c.next()).done);e=!0){d.push(g.value);if(b&&d.length===b)break}}catch(a){f=!0;h=a}finally{try{if(!e&&null!=c["return"])c["return"]()}finally{if(f)throw h}}return d}function _arrayWithHoles(a){if(Array.isArray(a))return a}define ("core/modal_factory",["jquery","core/modal_events","core/modal_registry","core/modal","core/modal_save_cancel","core/modal_cancel","core/local/modal/alert","core/templates","core/notification","core/custom_interaction_events","core/pending"],function(a,b,c,d,e,f,g,h,i,j,k){var l={DEFAULT:"core/modal",SAVE_CANCEL:"core/modal_save_cancel",CANCEL:"core/modal_cancel",ALERT:"core/local/modal/alert"},m={DEFAULT:"DEFAULT",SAVE_CANCEL:"SAVE_CANCEL",CANCEL:"CANCEL",ALERT:"ALERT"};c.register(m.DEFAULT,d,l.DEFAULT);c.register(m.SAVE_CANCEL,e,l.SAVE_CANCEL);c.register(m.CANCEL,f,l.CANCEL);c.register(m.ALERT,g,l.ALERT);var n=function(c,d,e){var f=null,g="function"==typeof e.preShowCallback,h=function(b,d){var h=new k("core/modal_factory:setUpTrigger:triggeredCallback");f=a(b.currentTarget);c.then(function(a){if(g){e.preShowCallback(f,a)}a.show();return a}).then(h.resolve);d.originalEvent.preventDefault()};if(Array.isArray(d)){var i=d[1];d=d[0];j.define(d,[j.events.activate]);d.on(j.events.activate,i,h)}else{j.define(d,[j.events.activate]);d.on(j.events.activate,h)}c.then(function(a){a.getRoot().on(b.hidden,function(){if(null!==f){f.focus()}});return a})},o=function(b,c){c=a(c);var d=b.module,e=new d(c);return e},p=function(b,c){var d=b.template,e=h.render(d,c).then(function(c){var d=a(c);return o(b,d)}).fail(i.exception);return e};return{create:function create(a,b){var d=a.type||m.DEFAULT,e=a.large?!0:!1,f=null,g={};f=c.get(d);if(!f){i.exception({message:"Unable to find modal of type: "+d})}if("undefined"!=typeof a.templateContext){g=a.templateContext}var h=p(f,g).then(function(b){if("undefined"!=typeof a.title){b.setTitle(a.title)}if("undefined"!=typeof a.body){b.setBody(a.body)}if("undefined"!=typeof a.footer){b.setFooter(a.footer)}if(a.buttons){Object.entries(a.buttons).forEach(function(a){var c=_slicedToArray(a,2),d=c[0],e=c[1];b.setButtonText(d,e)})}if(e){b.setLarge()}if("undefined"!=typeof a.removeOnClose){b.setRemoveOnClose(a.removeOnClose)}return b});if("undefined"!=typeof b){n(h,b,a)}return h},types:m}});
-//# sourceMappingURL=modal_factory.min.js.map
+function _slicedToArray(arr,i){return function(arr){if(Array.isArray(arr))return arr}
+/**
+ * Create a modal.
+ *
+ * @module     core/modal_factory
+ * @class      modal_factory
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */(arr)||function(arr,i){var _i=null==arr?null:"undefined"!=typeof Symbol&&arr[Symbol.iterator]||arr["@@iterator"];if(null==_i)return;var _s,_e,_arr=[],_n=!0,_d=!1;try{for(_i=_i.call(arr);!(_n=(_s=_i.next()).done)&&(_arr.push(_s.value),!i||_arr.length!==i);_n=!0);}catch(err){_d=!0,_e=err}finally{try{_n||null==_i.return||_i.return()}finally{if(_d)throw _e}}return _arr}(arr,i)||function(o,minLen){if(!o)return;if("string"==typeof o)return _arrayLikeToArray(o,minLen);var n=Object.prototype.toString.call(o).slice(8,-1);"Object"===n&&o.constructor&&(n=o.constructor.name);if("Map"===n||"Set"===n)return Array.from(o);if("Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))return _arrayLikeToArray(o,minLen)}(arr,i)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function _arrayLikeToArray(arr,len){(null==len||len>arr.length)&&(len=arr.length);for(var i=0,arr2=new Array(len);i<len;i++)arr2[i]=arr[i];return arr2}define("core/modal_factory",["jquery","core/modal_events","core/modal_registry","core/modal","core/modal_save_cancel","core/modal_cancel","core/local/modal/alert","core/templates","core/notification","core/custom_interaction_events","core/pending"],(function($,ModalEvents,ModalRegistry,Modal,ModalSaveCancel,ModalCancel,ModalAlert,Templates,Notification,CustomEvents,Pending){var TEMPLATES_DEFAULT="core/modal",TEMPLATES_SAVE_CANCEL="core/modal_save_cancel",TEMPLATES_CANCEL="core/modal_cancel",TEMPLATES_ALERT="core/local/modal/alert",TYPES={DEFAULT:"DEFAULT",SAVE_CANCEL:"SAVE_CANCEL",CANCEL:"CANCEL",ALERT:"ALERT"};ModalRegistry.register(TYPES.DEFAULT,Modal,TEMPLATES_DEFAULT),ModalRegistry.register(TYPES.SAVE_CANCEL,ModalSaveCancel,TEMPLATES_SAVE_CANCEL),ModalRegistry.register(TYPES.CANCEL,ModalCancel,TEMPLATES_CANCEL),ModalRegistry.register(TYPES.ALERT,ModalAlert,TEMPLATES_ALERT);var createFromType=function(registryConf,templateContext){var templateName=registryConf.template,modalPromise=Templates.render(templateName,templateContext).then((function(html){var modalElement=$(html);return function(registryConf,modalElement){return modalElement=$(modalElement),new(0,registryConf.module)(modalElement)}(registryConf,modalElement)})).fail(Notification.exception);return modalPromise};return{create:function(modalConfig,triggerElement){var registryConf,type=modalConfig.type||TYPES.DEFAULT,isLarge=!!modalConfig.large,templateContext={};(registryConf=ModalRegistry.get(type))||Notification.exception({message:"Unable to find modal of type: "+type}),void 0!==modalConfig.templateContext&&(templateContext=modalConfig.templateContext);var modalPromise=createFromType(registryConf,templateContext).then((function(modal){return void 0!==modalConfig.title&&modal.setTitle(modalConfig.title),void 0!==modalConfig.body&&modal.setBody(modalConfig.body),void 0!==modalConfig.footer&&modal.setFooter(modalConfig.footer),modalConfig.buttons&&Object.entries(modalConfig.buttons).forEach((function(_ref){var _ref2=_slicedToArray(_ref,2),key=_ref2[0],value=_ref2[1];modal.setButtonText(key,value)})),isLarge&&modal.setLarge(),void 0!==modalConfig.removeOnClose&&modal.setRemoveOnClose(modalConfig.removeOnClose),modal}));return void 0!==triggerElement&&function(modalPromise,triggerElement,modalConfig){var actualTriggerElement=null,hasPreShowCallback="function"==typeof modalConfig.preShowCallback,triggeredCallback=function(e,data){var pendingPromise=new Pending("core/modal_factory:setUpTrigger:triggeredCallback");actualTriggerElement=$(e.currentTarget),modalPromise.then((function(modal){return hasPreShowCallback&&modalConfig.preShowCallback(actualTriggerElement,modal),modal.show(),modal})).then(pendingPromise.resolve),data.originalEvent.preventDefault()};if(Array.isArray(triggerElement)){var selector=triggerElement[1];triggerElement=triggerElement[0],CustomEvents.define(triggerElement,[CustomEvents.events.activate]),triggerElement.on(CustomEvents.events.activate,selector,triggeredCallback)}else CustomEvents.define(triggerElement,[CustomEvents.events.activate]),triggerElement.on(CustomEvents.events.activate,triggeredCallback);modalPromise.then((function(modal){return modal.getRoot().on(ModalEvents.hidden,(function(){null!==actualTriggerElement&&actualTriggerElement.focus()})),modal}))}(modalPromise,triggerElement,modalConfig),modalPromise},types:TYPES}}));
+
+//# sourceMappingURL=modal_factory.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/modal_factory.min.js.map b/lib/amd/build/modal_factory.min.js.map
index 444a67b0a50..3f52478655a 100644
--- a/lib/amd/build/modal_factory.min.js.map
+++ b/lib/amd/build/modal_factory.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Create a modal.\n *\n * @module     core/modal_factory\n * @class      modal_factory\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/modal_events', 'core/modal_registry', 'core/modal',\n        'core/modal_save_cancel', 'core/modal_cancel', 'core/local/modal/alert',\n        'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'core/pending'],\n    function($, ModalEvents, ModalRegistry, Modal, ModalSaveCancel,\n        ModalCancel, ModalAlert, Templates, Notification, CustomEvents, Pending) {\n\n    // The templates for each type of modal.\n    var TEMPLATES = {\n        DEFAULT: 'core/modal',\n        SAVE_CANCEL: 'core/modal_save_cancel',\n        CANCEL: 'core/modal_cancel',\n        ALERT: 'core/local/modal/alert',\n    };\n\n    // The available types of modals.\n    var TYPES = {\n        DEFAULT: 'DEFAULT',\n        SAVE_CANCEL: 'SAVE_CANCEL',\n        CANCEL: 'CANCEL',\n        ALERT: 'ALERT',\n    };\n\n    // Register the common set of modals.\n    ModalRegistry.register(TYPES.DEFAULT, Modal, TEMPLATES.DEFAULT);\n    ModalRegistry.register(TYPES.SAVE_CANCEL, ModalSaveCancel, TEMPLATES.SAVE_CANCEL);\n    ModalRegistry.register(TYPES.CANCEL, ModalCancel, TEMPLATES.CANCEL);\n    ModalRegistry.register(TYPES.ALERT, ModalAlert, TEMPLATES.ALERT);\n\n    /**\n     * Set up the events required to show the modal and return focus when the modal\n     * is closed.\n     *\n     * @method setUpTrigger\n     * @param {Promise} modalPromise The modal instance\n     * @param {object} triggerElement The jQuery element to open the modal\n     * @param {object} modalConfig The modal configuration given to the factory\n     */\n    var setUpTrigger = function(modalPromise, triggerElement, modalConfig) {\n        // The element that actually shows the modal.\n        var actualTriggerElement = null;\n        // Check if the client has provided a callback function to be called\n        // before the modal is displayed.\n        var hasPreShowCallback = (typeof modalConfig.preShowCallback == 'function');\n        // Function to handle the trigger element being activated.\n        var triggeredCallback = function(e, data) {\n            var pendingPromise = new Pending('core/modal_factory:setUpTrigger:triggeredCallback');\n            actualTriggerElement = $(e.currentTarget);\n            modalPromise.then(function(modal) {\n                if (hasPreShowCallback) {\n                    // If the client provided a pre-show callback then execute\n                    // it now before showing the modal.\n                    modalConfig.preShowCallback(actualTriggerElement, modal);\n                }\n\n                modal.show();\n\n                return modal;\n            })\n            .then(pendingPromise.resolve);\n            data.originalEvent.preventDefault();\n        };\n\n        // The trigger element can either be a single element or it can be an\n        // element + selector pair to create a delegated event handler to trigger\n        // the modal.\n        if (Array.isArray(triggerElement)) {\n            var selector = triggerElement[1];\n            triggerElement = triggerElement[0];\n\n            CustomEvents.define(triggerElement, [CustomEvents.events.activate]);\n            triggerElement.on(CustomEvents.events.activate, selector, triggeredCallback);\n        } else {\n            CustomEvents.define(triggerElement, [CustomEvents.events.activate]);\n            triggerElement.on(CustomEvents.events.activate, triggeredCallback);\n        }\n\n        modalPromise.then(function(modal) {\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Focus on the trigger element that actually launched the modal.\n                if (actualTriggerElement !== null) {\n                    actualTriggerElement.focus();\n                }\n            });\n\n            return modal;\n        });\n    };\n\n    /**\n     * Create the correct instance of a modal based on the givem type. Sets up\n     * the trigger between the modal and the trigger element.\n     *\n     * @method createFromElement\n     * @param {object} registryConf A config from the ModalRegistry\n     * @param {object} modalElement The modal HTML jQuery object\n     * @return {object} Modal instance\n     */\n    var createFromElement = function(registryConf, modalElement) {\n        modalElement = $(modalElement);\n        var module = registryConf.module;\n        var modal = new module(modalElement);\n\n        return modal;\n    };\n\n    /**\n     * Create the correct modal instance for the given type, including loading\n     * the correct template.\n     *\n     * @method createFromType\n     * @param {object} registryConf A config from the ModalRegistry\n     * @param {object} templateContext The context to render the template with\n     * @return {promise} Resolved with a Modal instance\n     */\n    var createFromType = function(registryConf, templateContext) {\n        var templateName = registryConf.template;\n\n        var modalPromise = Templates.render(templateName, templateContext)\n            .then(function(html) {\n                var modalElement = $(html);\n                return createFromElement(registryConf, modalElement);\n            })\n            .fail(Notification.exception);\n\n        return modalPromise;\n    };\n\n    /**\n     * Create a Modal instance.\n     *\n     * @method create\n     * @param {object} modalConfig The configuration to create the modal instance\n     * @param {object} triggerElement The trigger HTML jQuery object\n     * @return {promise} Resolved with a Modal instance\n     */\n    var create = function(modalConfig, triggerElement) {\n        var type = modalConfig.type || TYPES.DEFAULT;\n        var isLarge = modalConfig.large ? true : false;\n        var registryConf = null;\n        var templateContext = {};\n\n        registryConf = ModalRegistry.get(type);\n\n        if (!registryConf) {\n            Notification.exception({message: 'Unable to find modal of type: ' + type});\n        }\n\n        if (typeof modalConfig.templateContext != 'undefined') {\n            templateContext = modalConfig.templateContext;\n        }\n\n        var modalPromise = createFromType(registryConf, templateContext)\n            .then(function(modal) {\n                if (typeof modalConfig.title != 'undefined') {\n                    modal.setTitle(modalConfig.title);\n                }\n\n                if (typeof modalConfig.body != 'undefined') {\n                    modal.setBody(modalConfig.body);\n                }\n\n                if (typeof modalConfig.footer != 'undefined') {\n                    modal.setFooter(modalConfig.footer);\n                }\n\n                if (modalConfig.buttons) {\n                    Object.entries(modalConfig.buttons).forEach(function([key, value]) {\n                        modal.setButtonText(key, value);\n                    });\n                }\n\n                if (isLarge) {\n                    modal.setLarge();\n                }\n\n                if (typeof modalConfig.removeOnClose !== 'undefined') {\n                    // If configured remove the modal when hiding it.\n                    modal.setRemoveOnClose(modalConfig.removeOnClose);\n                }\n\n                return modal;\n            });\n\n        if (typeof triggerElement != 'undefined') {\n            setUpTrigger(modalPromise, triggerElement, modalConfig);\n        }\n\n        return modalPromise;\n    };\n\n    return {\n        create: create,\n        types: TYPES,\n    };\n});\n"],"file":"modal_factory.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal_factory.min.js","sources":["../src/modal_factory.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Create a modal.\n *\n * @module     core/modal_factory\n * @class      modal_factory\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/modal_events', 'core/modal_registry', 'core/modal',\n        'core/modal_save_cancel', 'core/modal_cancel', 'core/local/modal/alert',\n        'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'core/pending'],\n    function($, ModalEvents, ModalRegistry, Modal, ModalSaveCancel,\n        ModalCancel, ModalAlert, Templates, Notification, CustomEvents, Pending) {\n\n    // The templates for each type of modal.\n    var TEMPLATES = {\n        DEFAULT: 'core/modal',\n        SAVE_CANCEL: 'core/modal_save_cancel',\n        CANCEL: 'core/modal_cancel',\n        ALERT: 'core/local/modal/alert',\n    };\n\n    // The available types of modals.\n    var TYPES = {\n        DEFAULT: 'DEFAULT',\n        SAVE_CANCEL: 'SAVE_CANCEL',\n        CANCEL: 'CANCEL',\n        ALERT: 'ALERT',\n    };\n\n    // Register the common set of modals.\n    ModalRegistry.register(TYPES.DEFAULT, Modal, TEMPLATES.DEFAULT);\n    ModalRegistry.register(TYPES.SAVE_CANCEL, ModalSaveCancel, TEMPLATES.SAVE_CANCEL);\n    ModalRegistry.register(TYPES.CANCEL, ModalCancel, TEMPLATES.CANCEL);\n    ModalRegistry.register(TYPES.ALERT, ModalAlert, TEMPLATES.ALERT);\n\n    /**\n     * Set up the events required to show the modal and return focus when the modal\n     * is closed.\n     *\n     * @method setUpTrigger\n     * @param {Promise} modalPromise The modal instance\n     * @param {object} triggerElement The jQuery element to open the modal\n     * @param {object} modalConfig The modal configuration given to the factory\n     */\n    var setUpTrigger = function(modalPromise, triggerElement, modalConfig) {\n        // The element that actually shows the modal.\n        var actualTriggerElement = null;\n        // Check if the client has provided a callback function to be called\n        // before the modal is displayed.\n        var hasPreShowCallback = (typeof modalConfig.preShowCallback == 'function');\n        // Function to handle the trigger element being activated.\n        var triggeredCallback = function(e, data) {\n            var pendingPromise = new Pending('core/modal_factory:setUpTrigger:triggeredCallback');\n            actualTriggerElement = $(e.currentTarget);\n            modalPromise.then(function(modal) {\n                if (hasPreShowCallback) {\n                    // If the client provided a pre-show callback then execute\n                    // it now before showing the modal.\n                    modalConfig.preShowCallback(actualTriggerElement, modal);\n                }\n\n                modal.show();\n\n                return modal;\n            })\n            .then(pendingPromise.resolve);\n            data.originalEvent.preventDefault();\n        };\n\n        // The trigger element can either be a single element or it can be an\n        // element + selector pair to create a delegated event handler to trigger\n        // the modal.\n        if (Array.isArray(triggerElement)) {\n            var selector = triggerElement[1];\n            triggerElement = triggerElement[0];\n\n            CustomEvents.define(triggerElement, [CustomEvents.events.activate]);\n            triggerElement.on(CustomEvents.events.activate, selector, triggeredCallback);\n        } else {\n            CustomEvents.define(triggerElement, [CustomEvents.events.activate]);\n            triggerElement.on(CustomEvents.events.activate, triggeredCallback);\n        }\n\n        modalPromise.then(function(modal) {\n            modal.getRoot().on(ModalEvents.hidden, function() {\n                // Focus on the trigger element that actually launched the modal.\n                if (actualTriggerElement !== null) {\n                    actualTriggerElement.focus();\n                }\n            });\n\n            return modal;\n        });\n    };\n\n    /**\n     * Create the correct instance of a modal based on the givem type. Sets up\n     * the trigger between the modal and the trigger element.\n     *\n     * @method createFromElement\n     * @param {object} registryConf A config from the ModalRegistry\n     * @param {object} modalElement The modal HTML jQuery object\n     * @return {object} Modal instance\n     */\n    var createFromElement = function(registryConf, modalElement) {\n        modalElement = $(modalElement);\n        var module = registryConf.module;\n        var modal = new module(modalElement);\n\n        return modal;\n    };\n\n    /**\n     * Create the correct modal instance for the given type, including loading\n     * the correct template.\n     *\n     * @method createFromType\n     * @param {object} registryConf A config from the ModalRegistry\n     * @param {object} templateContext The context to render the template with\n     * @return {promise} Resolved with a Modal instance\n     */\n    var createFromType = function(registryConf, templateContext) {\n        var templateName = registryConf.template;\n\n        var modalPromise = Templates.render(templateName, templateContext)\n            .then(function(html) {\n                var modalElement = $(html);\n                return createFromElement(registryConf, modalElement);\n            })\n            .fail(Notification.exception);\n\n        return modalPromise;\n    };\n\n    /**\n     * Create a Modal instance.\n     *\n     * @method create\n     * @param {object} modalConfig The configuration to create the modal instance\n     * @param {object} triggerElement The trigger HTML jQuery object\n     * @return {promise} Resolved with a Modal instance\n     */\n    var create = function(modalConfig, triggerElement) {\n        var type = modalConfig.type || TYPES.DEFAULT;\n        var isLarge = modalConfig.large ? true : false;\n        var registryConf = null;\n        var templateContext = {};\n\n        registryConf = ModalRegistry.get(type);\n\n        if (!registryConf) {\n            Notification.exception({message: 'Unable to find modal of type: ' + type});\n        }\n\n        if (typeof modalConfig.templateContext != 'undefined') {\n            templateContext = modalConfig.templateContext;\n        }\n\n        var modalPromise = createFromType(registryConf, templateContext)\n            .then(function(modal) {\n                if (typeof modalConfig.title != 'undefined') {\n                    modal.setTitle(modalConfig.title);\n                }\n\n                if (typeof modalConfig.body != 'undefined') {\n                    modal.setBody(modalConfig.body);\n                }\n\n                if (typeof modalConfig.footer != 'undefined') {\n                    modal.setFooter(modalConfig.footer);\n                }\n\n                if (modalConfig.buttons) {\n                    Object.entries(modalConfig.buttons).forEach(function([key, value]) {\n                        modal.setButtonText(key, value);\n                    });\n                }\n\n                if (isLarge) {\n                    modal.setLarge();\n                }\n\n                if (typeof modalConfig.removeOnClose !== 'undefined') {\n                    // If configured remove the modal when hiding it.\n                    modal.setRemoveOnClose(modalConfig.removeOnClose);\n                }\n\n                return modal;\n            });\n\n        if (typeof triggerElement != 'undefined') {\n            setUpTrigger(modalPromise, triggerElement, modalConfig);\n        }\n\n        return modalPromise;\n    };\n\n    return {\n        create: create,\n        types: TYPES,\n    };\n});\n"],"names":["define","$","ModalEvents","ModalRegistry","Modal","ModalSaveCancel","ModalCancel","ModalAlert","Templates","Notification","CustomEvents","Pending","TEMPLATES","TYPES","DEFAULT","SAVE_CANCEL","CANCEL","ALERT","register","createFromType","registryConf","templateContext","templateName","template","modalPromise","render","then","html","modalElement","module","createFromElement","fail","exception","create","modalConfig","triggerElement","type","isLarge","large","get","message","modal","title","setTitle","body","setBody","footer","setFooter","buttons","Object","entries","forEach","key","value","setButtonText","setLarge","removeOnClose","setRemoveOnClose","actualTriggerElement","hasPreShowCallback","preShowCallback","triggeredCallback","e","data","pendingPromise","currentTarget","show","resolve","originalEvent","preventDefault","Array","isArray","selector","events","activate","on","getRoot","hidden","focus","setUpTrigger","types"],"mappings":";;;;;;;;;miCAwBAA,4BAAO,CAAC,SAAU,oBAAqB,sBAAuB,aACtD,yBAA0B,oBAAqB,yBAC/C,iBAAkB,oBAAqB,iCACvC,iBACJ,SAASC,EAAGC,YAAaC,cAAeC,MAAOC,gBAC3CC,YAAaC,WAAYC,UAAWC,aAAcC,aAAcC,aAGhEC,kBACS,aADTA,sBAEa,yBAFbA,iBAGQ,oBAHRA,gBAIO,yBAIPC,MAAQ,CACRC,QAAS,UACTC,YAAa,cACbC,OAAQ,SACRC,MAAO,SAIXd,cAAce,SAASL,MAAMC,QAASV,MAAOQ,mBAC7CT,cAAce,SAASL,MAAME,YAAaV,gBAAiBO,uBAC3DT,cAAce,SAASL,MAAMG,OAAQV,YAAaM,kBAClDT,cAAce,SAASL,MAAMI,MAAOV,WAAYK,qBAwF5CO,eAAiB,SAASC,aAAcC,qBACpCC,aAAeF,aAAaG,SAE5BC,aAAehB,UAAUiB,OAAOH,aAAcD,iBAC7CK,MAAK,SAASC,UACPC,aAAe3B,EAAE0B,aAtBT,SAASP,aAAcQ,qBAC3CA,aAAe3B,EAAE2B,cAEL,IAAIC,EADHT,aAAaS,QACHD,cAoBRE,CAAkBV,aAAcQ,iBAE1CG,KAAKtB,aAAauB,kBAEhBR,oBAkEJ,CACHS,OAxDS,SAASC,YAAaC,oBAG3Bf,aAFAgB,KAAOF,YAAYE,MAAQvB,MAAMC,QACjCuB,UAAUH,YAAYI,MAEtBjB,gBAAkB,IAEtBD,aAAejB,cAAcoC,IAAIH,QAG7B3B,aAAauB,UAAU,CAACQ,QAAS,iCAAmCJ,YAG9B,IAA/BF,YAAYb,kBACnBA,gBAAkBa,YAAYb,qBAG9BG,aAAeL,eAAeC,aAAcC,iBAC3CK,MAAK,SAASe,mBACqB,IAArBP,YAAYQ,OACnBD,MAAME,SAAST,YAAYQ,YAGA,IAApBR,YAAYU,MACnBH,MAAMI,QAAQX,YAAYU,WAGG,IAAtBV,YAAYY,QACnBL,MAAMM,UAAUb,YAAYY,QAG5BZ,YAAYc,SACZC,OAAOC,QAAQhB,YAAYc,SAASG,SAAQ,gDAAUC,aAAKC,eACvDZ,MAAMa,cAAcF,IAAKC,UAI7BhB,SACAI,MAAMc,gBAG+B,IAA9BrB,YAAYsB,eAEnBf,MAAMgB,iBAAiBvB,YAAYsB,eAGhCf,qBAGc,IAAlBN,gBAlJI,SAASX,aAAcW,eAAgBD,iBAElDwB,qBAAuB,KAGvBC,mBAA4D,mBAA/BzB,YAAY0B,gBAEzCC,kBAAoB,SAASC,EAAGC,UAC5BC,eAAiB,IAAIrD,QAAQ,qDACjC+C,qBAAuBzD,EAAE6D,EAAEG,eAC3BzC,aAAaE,MAAK,SAASe,cACnBkB,oBAGAzB,YAAY0B,gBAAgBF,qBAAsBjB,OAGtDA,MAAMyB,OAECzB,SAEVf,KAAKsC,eAAeG,SACrBJ,KAAKK,cAAcC,qBAMnBC,MAAMC,QAAQpC,gBAAiB,KAC3BqC,SAAWrC,eAAe,GAC9BA,eAAiBA,eAAe,GAEhCzB,aAAaV,OAAOmC,eAAgB,CAACzB,aAAa+D,OAAOC,WACzDvC,eAAewC,GAAGjE,aAAa+D,OAAOC,SAAUF,SAAUX,wBAE1DnD,aAAaV,OAAOmC,eAAgB,CAACzB,aAAa+D,OAAOC,WACzDvC,eAAewC,GAAGjE,aAAa+D,OAAOC,SAAUb,mBAGpDrC,aAAaE,MAAK,SAASe,cACvBA,MAAMmC,UAAUD,GAAGzE,YAAY2E,QAAQ,WAEN,OAAzBnB,sBACAA,qBAAqBoB,WAItBrC,SAoGPsC,CAAavD,aAAcW,eAAgBD,aAGxCV,cAKPwD,MAAOnE"}
\ No newline at end of file
diff --git a/lib/amd/build/modal_registry.min.js b/lib/amd/build/modal_registry.min.js
index 05cda333729..c617b7c822f 100644
--- a/lib/amd/build/modal_registry.min.js
+++ b/lib/amd/build/modal_registry.min.js
@@ -1,2 +1,12 @@
-define ("core/modal_registry",["core/notification","core/prefetch"],function(a,b){var c={},d=function(a){return c[a]};return{register:function register(e,f,g){if(d(e)){a.exception({message:"Modal of  type '"+e+"' is already registered"})}if(!f||"function"!=typeof f){a.exception({message:"You must provide a modal module"})}if(!g){a.exception({message:"You must provide a modal template"})}c[e]={module:f,template:g};b.prefetchTemplate(g)},get:d}});
-//# sourceMappingURL=modal_registry.min.js.map
+/**
+ * A registry for the different types of modal.
+ *
+ * @module     core/modal_registry
+ * @class      modal_registry
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/modal_registry",["core/notification","core/prefetch"],(function(Notification,Prefetch){var registry={},get=function(type){return registry[type]};return{register:function(type,module,template){get(type)&&Notification.exception({message:"Modal of  type '"+type+"' is already registered"}),module&&"function"==typeof module||Notification.exception({message:"You must provide a modal module"}),template||Notification.exception({message:"You must provide a modal template"}),registry[type]={module:module,template:template},Prefetch.prefetchTemplate(template)},get:get}}));
+
+//# sourceMappingURL=modal_registry.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/modal_registry.min.js.map b/lib/amd/build/modal_registry.min.js.map
index 04a952b1096..5718502e9e2 100644
--- a/lib/amd/build/modal_registry.min.js.map
+++ b/lib/amd/build/modal_registry.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/modal_registry.js"],"names":["define","Notification","Prefetch","registry","get","type","register","module","template","exception","message","prefetchTemplate"],"mappings":"AAwBAA,OAAM,uBAAC,CAAC,mBAAD,CAAsB,eAAtB,CAAD,CAAyC,SAASC,CAAT,CAAuBC,CAAvB,CAAiC,IAIxEC,CAAAA,CAAQ,CAAG,EAJ6D,CAaxEC,CAAG,CAAG,SAASC,CAAT,CAAe,CACrB,MAAOF,CAAAA,CAAQ,CAACE,CAAD,CAClB,CAf2E,CA+C5E,MAAO,CACHC,QAAQ,CAvBG,QAAXA,CAAAA,QAAW,CAASD,CAAT,CAAeE,CAAf,CAAuBC,CAAvB,CAAiC,CAC5C,GAAIJ,CAAG,CAACC,CAAD,CAAP,CAAe,CACXJ,CAAY,CAACQ,SAAb,CAAuB,CAACC,OAAO,CAAE,mBAAqBL,CAArB,CAA4B,yBAAtC,CAAvB,CACH,CAED,GAAI,CAACE,CAAD,EAA6B,UAAlB,QAAOA,CAAAA,CAAtB,CAA6C,CACzCN,CAAY,CAACQ,SAAb,CAAuB,CAACC,OAAO,CAAE,iCAAV,CAAvB,CACH,CAED,GAAI,CAACF,CAAL,CAAe,CACXP,CAAY,CAACQ,SAAb,CAAuB,CAACC,OAAO,CAAE,mCAAV,CAAvB,CACH,CAEDP,CAAQ,CAACE,CAAD,CAAR,CAAiB,CACbE,MAAM,CAAEA,CADK,CAEbC,QAAQ,CAAEA,CAFG,CAAjB,CAMAN,CAAQ,CAACS,gBAAT,CAA0BH,CAA1B,CACH,CAEM,CAEHJ,GAAG,CAAEA,CAFF,CAIV,CAnDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A registry for the different types of modal.\n *\n * @module     core/modal_registry\n * @class      modal_registry\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/notification', 'core/prefetch'], function(Notification, Prefetch) {\n\n    // A singleton registry for all modules to access. Allows types to be\n    // added at runtime.\n    var registry = {};\n\n    /**\n     * Get a registered type of modal.\n     *\n     * @method get\n     * @param {string} type The type of modal to get\n     * @return {object} The registered config for the modal\n     */\n    var get = function(type) {\n        return registry[type];\n    };\n\n    /**\n     * Register a modal with the registry.\n     *\n     * @method register\n     * @param {string} type The type of modal (must be unique)\n     * @param {function} module The modal module (must be a constructor function of type core/modal)\n     * @param {string} template The template name of the modal\n     */\n    var register = function(type, module, template) {\n        if (get(type)) {\n            Notification.exception({message: \"Modal of  type '\" + type + \"' is already registered\"});\n        }\n\n        if (!module || typeof module !== 'function') {\n            Notification.exception({message: \"You must provide a modal module\"});\n        }\n\n        if (!template) {\n            Notification.exception({message: \"You must provide a modal template\"});\n        }\n\n        registry[type] = {\n            module: module,\n            template: template,\n        };\n\n        // Prefetch the template.\n        Prefetch.prefetchTemplate(template);\n    };\n\n    return {\n        register: register,\n        get: get,\n    };\n});\n"],"file":"modal_registry.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal_registry.min.js","sources":["../src/modal_registry.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A registry for the different types of modal.\n *\n * @module     core/modal_registry\n * @class      modal_registry\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/notification', 'core/prefetch'], function(Notification, Prefetch) {\n\n    // A singleton registry for all modules to access. Allows types to be\n    // added at runtime.\n    var registry = {};\n\n    /**\n     * Get a registered type of modal.\n     *\n     * @method get\n     * @param {string} type The type of modal to get\n     * @return {object} The registered config for the modal\n     */\n    var get = function(type) {\n        return registry[type];\n    };\n\n    /**\n     * Register a modal with the registry.\n     *\n     * @method register\n     * @param {string} type The type of modal (must be unique)\n     * @param {function} module The modal module (must be a constructor function of type core/modal)\n     * @param {string} template The template name of the modal\n     */\n    var register = function(type, module, template) {\n        if (get(type)) {\n            Notification.exception({message: \"Modal of  type '\" + type + \"' is already registered\"});\n        }\n\n        if (!module || typeof module !== 'function') {\n            Notification.exception({message: \"You must provide a modal module\"});\n        }\n\n        if (!template) {\n            Notification.exception({message: \"You must provide a modal template\"});\n        }\n\n        registry[type] = {\n            module: module,\n            template: template,\n        };\n\n        // Prefetch the template.\n        Prefetch.prefetchTemplate(template);\n    };\n\n    return {\n        register: register,\n        get: get,\n    };\n});\n"],"names":["define","Notification","Prefetch","registry","get","type","register","module","template","exception","message","prefetchTemplate"],"mappings":";;;;;;;;;AAwBAA,6BAAO,CAAC,oBAAqB,kBAAkB,SAASC,aAAcC,cAI9DC,SAAW,GASXC,IAAM,SAASC,aACRF,SAASE,aAiCb,CACHC,SAvBW,SAASD,KAAME,OAAQC,UAC9BJ,IAAIC,OACJJ,aAAaQ,UAAU,CAACC,QAAS,mBAAqBL,KAAO,4BAG5DE,QAA4B,mBAAXA,QAClBN,aAAaQ,UAAU,CAACC,QAAS,oCAGhCF,UACDP,aAAaQ,UAAU,CAACC,QAAS,sCAGrCP,SAASE,MAAQ,CACbE,OAAQA,OACRC,SAAUA,UAIdN,SAASS,iBAAiBH,WAK1BJ,IAAKA"}
\ No newline at end of file
diff --git a/lib/amd/build/modal_save_cancel.min.js b/lib/amd/build/modal_save_cancel.min.js
index e1db4198975..cb7702eff79 100644
--- a/lib/amd/build/modal_save_cancel.min.js
+++ b/lib/amd/build/modal_save_cancel.min.js
@@ -1,2 +1,3 @@
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+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}var global,factory;global=window,factory=function(mustache){var objectToString=Object.prototype.toString,isArray=Array.isArray||function(object){return"[object Array]"===objectToString.call(object)};function isFunction(object){return"function"==typeof object}function escapeRegExp(string){return string.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&")}function hasProperty(obj,propName){return null!=obj&&"object"===_typeof(obj)&&propName in obj}var regExpTest=RegExp.prototype.test,nonSpaceRe=/\S/;function isWhitespace(string){return!function(re,string){return regExpTest.call(re,string)}(nonSpaceRe,string)}var 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+
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\ No newline at end of file
diff --git a/lib/amd/build/mustache.min.js.map b/lib/amd/build/mustache.min.js.map
index bafa3d891af..0978cfa394e 100644
--- a/lib/amd/build/mustache.min.js.map
+++ b/lib/amd/build/mustache.min.js.map
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sourcesContent":["// The MIT License\n//\n// Copyright (c) 2009 Chris Wanstrath (Ruby)\n// Copyright (c) 2010-2014 Jan Lehnardt (JavaScript)\n// Copyright (c) 2010-2015 The mustache.js community\n//\n// Permission is hereby granted, free of charge, to any person obtaining\n// a copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to\n// permit persons to whom the Software is furnished to do so, subject to\n// the following conditions:\n//\n// The above copyright notice and this permission notice shall be\n// included in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\n// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\n// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\n// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\n// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n//\n\n// Description of import into Moodle:\n// Checkout from https://github.com/moodle/custom-mustache.js Branch: LAMBDA_ARGS\n// Rebase onto latest release tag from https://github.com/janl/mustache.js\n// Copy mustache.js into lib/amd/src/ in Moodle folder.\n// Add the license as a comment to the file and these instructions.\n// Add jshint tags so this file is not linted.\n// Remove the \"global define:\" comment (hint for linter)\n// Make sure that you have not removed the custom code for '$' and '<'.\n\n/*!\n * mustache.js - Logic-less {{mustache}} templates with JavaScript\n * http://github.com/janl/mustache.js\n */\n\n/* jshint ignore:start */\n\n(function defineMustache (global, factory) {\n  if (typeof exports === 'object' && exports && typeof exports.nodeName !== 'string') {\n    factory(exports); // CommonJS\n  } else if (typeof define === 'function' && define.amd) {\n    define(['exports'], factory); // AMD\n  } else {\n    global.Mustache = {};\n    factory(global.Mustache); // script, wsh, asp\n  }\n}(this, function mustacheFactory (mustache) {\n\n  var objectToString = Object.prototype.toString;\n  var isArray = Array.isArray || function isArrayPolyfill (object) {\n    return objectToString.call(object) === '[object Array]';\n  };\n\n  function isFunction (object) {\n    return typeof object === 'function';\n  }\n\n  /**\n   * More correct typeof string handling array\n   * which normally returns typeof 'object'\n   */\n  function typeStr (obj) {\n    return isArray(obj) ? 'array' : typeof obj;\n  }\n\n  function escapeRegExp (string) {\n    return string.replace(/[\\-\\[\\]{}()*+?.,\\\\\\^$|#\\s]/g, '\\\\$&');\n  }\n\n  /**\n   * Null safe way of checking whether or not an object,\n   * including its prototype, has a given property\n   */\n  function hasProperty (obj, propName) {\n    return obj != null && typeof obj === 'object' && (propName in obj);\n  }\n\n  /**\n   * Safe way of detecting whether or not the given thing is a primitive and\n   * whether it has the given property\n   */\n  function primitiveHasOwnProperty (primitive, propName) {\n    return (\n      primitive != null\n      && typeof primitive !== 'object'\n      && primitive.hasOwnProperty\n      && primitive.hasOwnProperty(propName)\n    );\n  }\n\n  // Workaround for https://issues.apache.org/jira/browse/COUCHDB-577\n  // See https://github.com/janl/mustache.js/issues/189\n  var regExpTest = RegExp.prototype.test;\n  function testRegExp (re, string) {\n    return regExpTest.call(re, string);\n  }\n\n  var nonSpaceRe = /\\S/;\n  function isWhitespace (string) {\n    return !testRegExp(nonSpaceRe, string);\n  }\n\n  var entityMap = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;',\n    '/': '&#x2F;',\n    '`': '&#x60;',\n    '=': '&#x3D;'\n  };\n\n  function escapeHtml (string) {\n    return String(string).replace(/[&<>\"'`=\\/]/g, function fromEntityMap (s) {\n      return entityMap[s];\n    });\n  }\n\n  var whiteRe = /\\s*/;\n  var spaceRe = /\\s+/;\n  var equalsRe = /\\s*=/;\n  var curlyRe = /\\s*\\}/;\n  var tagRe = /#|\\^|\\/|>|\\{|&|=|!|\\$|</;\n\n  /**\n   * Breaks up the given `template` string into a tree of tokens. If the `tags`\n   * argument is given here it must be an array with two string values: the\n   * opening and closing tags used in the template (e.g. [ \"<%\", \"%>\" ]). Of\n   * course, the default is to use mustaches (i.e. mustache.tags).\n   *\n   * A token is an array with at least 4 elements. The first element is the\n   * mustache symbol that was used inside the tag, e.g. \"#\" or \"&\". If the tag\n   * did not contain a symbol (i.e. {{myValue}}) this element is \"name\". For\n   * all text that appears outside a symbol this element is \"text\".\n   *\n   * The second element of a token is its \"value\". For mustache tags this is\n   * whatever else was inside the tag besides the opening symbol. For text tokens\n   * this is the text itself.\n   *\n   * The third and fourth elements of the token are the start and end indices,\n   * respectively, of the token in the original template.\n   *\n   * Tokens that are the root node of a subtree contain two more elements: 1) an\n   * array of tokens in the subtree and 2) the index in the original template at\n   * which the closing tag for that section begins.\n   *\n   * Tokens for partials also contain two more elements: 1) a string value of\n   * indendation prior to that tag and 2) the index of that tag on that line -\n   * eg a value of 2 indicates the partial is the third tag on this line.\n   */\n  function parseTemplate (template, tags) {\n    if (!template)\n      return [];\n    var lineHasNonSpace = false;\n    var sections = [];     // Stack to hold section tokens\n    var tokens = [];       // Buffer to hold the tokens\n    var spaces = [];       // Indices of whitespace tokens on the current line\n    var hasTag = false;    // Is there a {{tag}} on the current line?\n    var nonSpace = false;  // Is there a non-space char on the current line?\n    var indentation = '';  // Tracks indentation for tags that use it\n    var tagIndex = 0;      // Stores a count of number of tags encountered on a line\n\n    // Strips all whitespace tokens array for the current line\n    // if there was a {{#tag}} on it and otherwise only space.\n    function stripSpace () {\n      if (hasTag && !nonSpace) {\n        while (spaces.length)\n          delete tokens[spaces.pop()];\n      } else {\n        spaces = [];\n      }\n\n      hasTag = false;\n      nonSpace = false;\n    }\n\n    var openingTagRe, closingTagRe, closingCurlyRe;\n    function compileTags (tagsToCompile) {\n      if (typeof tagsToCompile === 'string')\n        tagsToCompile = tagsToCompile.split(spaceRe, 2);\n\n      if (!isArray(tagsToCompile) || tagsToCompile.length !== 2)\n        throw new Error('Invalid tags: ' + tagsToCompile);\n\n      openingTagRe = new RegExp(escapeRegExp(tagsToCompile[0]) + '\\\\s*');\n      closingTagRe = new RegExp('\\\\s*' + escapeRegExp(tagsToCompile[1]));\n      closingCurlyRe = new RegExp('\\\\s*' + escapeRegExp('}' + tagsToCompile[1]));\n    }\n\n    compileTags(tags || mustache.tags);\n\n    var scanner = new Scanner(template);\n\n    var start, type, value, chr, token, openSection;\n    while (!scanner.eos()) {\n      start = scanner.pos;\n\n      // Match any text between tags.\n      value = scanner.scanUntil(openingTagRe);\n\n      if (value) {\n        for (var i = 0, valueLength = value.length; i < valueLength; ++i) {\n          chr = value.charAt(i);\n\n          if (isWhitespace(chr)) {\n            spaces.push(tokens.length);\n            indentation += chr;\n          } else {\n            nonSpace = true;\n            lineHasNonSpace = true;\n            indentation += ' ';\n          }\n\n          tokens.push([ 'text', chr, start, start + 1 ]);\n          start += 1;\n\n          // Check for whitespace on the current line.\n          if (chr === '\\n') {\n            stripSpace();\n            indentation = '';\n            tagIndex = 0;\n            lineHasNonSpace = false;\n          }\n        }\n      }\n\n      // Match the opening tag.\n      if (!scanner.scan(openingTagRe))\n        break;\n\n      hasTag = true;\n\n      // Get the tag type.\n      type = scanner.scan(tagRe) || 'name';\n      scanner.scan(whiteRe);\n\n      // Get the tag value.\n      if (type === '=') {\n        value = scanner.scanUntil(equalsRe);\n        scanner.scan(equalsRe);\n        scanner.scanUntil(closingTagRe);\n      } else if (type === '{') {\n        value = scanner.scanUntil(closingCurlyRe);\n        scanner.scan(curlyRe);\n        scanner.scanUntil(closingTagRe);\n        type = '&';\n      } else {\n        value = scanner.scanUntil(closingTagRe);\n      }\n\n      // Match the closing tag.\n      if (!scanner.scan(closingTagRe))\n        throw new Error('Unclosed tag at ' + scanner.pos);\n\n      if (type == '>') {\n        token = [ type, value, start, scanner.pos, indentation, tagIndex, lineHasNonSpace ];\n      } else {\n        token = [ type, value, start, scanner.pos ];\n      }\n      tagIndex++;\n      tokens.push(token);\n\n      if (type === '#' || type === '^' || type === '$' || type === '<') {\n        sections.push(token);\n      } else if (type === '/') {\n        // Check section nesting.\n        openSection = sections.pop();\n\n        if (!openSection)\n          throw new Error('Unopened section \"' + value + '\" at ' + start);\n\n        if (openSection[1] !== value)\n          throw new Error('Unclosed section \"' + openSection[1] + '\" at ' + start);\n      } else if (type === 'name' || type === '{' || type === '&') {\n        nonSpace = true;\n      } else if (type === '=') {\n        // Set the tags for the next time around.\n        compileTags(value);\n      }\n    }\n\n    stripSpace();\n\n    // Make sure there are no open sections when we're done.\n    openSection = sections.pop();\n\n    if (openSection)\n      throw new Error('Unclosed section \"' + openSection[1] + '\" at ' + scanner.pos);\n\n    return nestTokens(squashTokens(tokens));\n  }\n\n  /**\n   * Combines the values of consecutive text tokens in the given `tokens` array\n   * to a single token.\n   */\n  function squashTokens (tokens) {\n    var squashedTokens = [];\n\n    var token, lastToken;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      token = tokens[i];\n\n      if (token) {\n        if (token[0] === 'text' && lastToken && lastToken[0] === 'text') {\n          lastToken[1] += token[1];\n          lastToken[3] = token[3];\n        } else {\n          squashedTokens.push(token);\n          lastToken = token;\n        }\n      }\n    }\n\n    return squashedTokens;\n  }\n\n  /**\n   * Forms the given array of `tokens` into a nested tree structure where\n   * tokens that represent a section have two additional items: 1) an array of\n   * all tokens that appear in that section and 2) the index in the original\n   * template that represents the end of that section.\n   */\n  function nestTokens (tokens) {\n    var nestedTokens = [];\n    var collector = nestedTokens;\n    var sections = [];\n\n    var token, section;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      token = tokens[i];\n\n      switch (token[0]) {\n        case '$':\n        case '<':\n        case '#':\n        case '^':\n          collector.push(token);\n          sections.push(token);\n          collector = token[4] = [];\n          break;\n        case '/':\n          section = sections.pop();\n          section[5] = token[2];\n          collector = sections.length > 0 ? sections[sections.length - 1][4] : nestedTokens;\n          break;\n        default:\n          collector.push(token);\n      }\n    }\n\n    return nestedTokens;\n  }\n\n  /**\n   * A simple string scanner that is used by the template parser to find\n   * tokens in template strings.\n   */\n  function Scanner (string) {\n    this.string = string;\n    this.tail = string;\n    this.pos = 0;\n  }\n\n  /**\n   * Returns `true` if the tail is empty (end of string).\n   */\n  Scanner.prototype.eos = function eos () {\n    return this.tail === '';\n  };\n\n  /**\n   * Tries to match the given regular expression at the current position.\n   * Returns the matched text if it can match, the empty string otherwise.\n   */\n  Scanner.prototype.scan = function scan (re) {\n    var match = this.tail.match(re);\n\n    if (!match || match.index !== 0)\n      return '';\n\n    var string = match[0];\n\n    this.tail = this.tail.substring(string.length);\n    this.pos += string.length;\n\n    return string;\n  };\n\n  /**\n   * Skips all text until the given regular expression can be matched. Returns\n   * the skipped string, which is the entire tail if no match can be made.\n   */\n  Scanner.prototype.scanUntil = function scanUntil (re) {\n    var index = this.tail.search(re), match;\n\n    switch (index) {\n      case -1:\n        match = this.tail;\n        this.tail = '';\n        break;\n      case 0:\n        match = '';\n        break;\n      default:\n        match = this.tail.substring(0, index);\n        this.tail = this.tail.substring(index);\n    }\n\n    this.pos += match.length;\n\n    return match;\n  };\n\n  /**\n   * Represents a rendering context by wrapping a view object and\n   * maintaining a reference to the parent context.\n   */\n  function Context (view, parentContext) {\n    this.view = view;\n    this.blocks = {};\n    this.cache = { '.': this.view };\n    this.parent = parentContext;\n  }\n\n  /**\n   * Creates a new context using the given view with this context\n   * as the parent.\n   */\n  Context.prototype.push = function push (view) {\n    return new Context(view, this);\n  };\n\n  /**\n   * Set a value in the current block context.\n   */\n  Context.prototype.setBlockVar = function set (name, value) {\n    var blocks = this.blocks;\n\n    blocks[name] = value;\n\n    return value;\n  };\n\n  /**\n   * Clear all current block vars.\n   */\n  Context.prototype.clearBlockVars = function clearBlockVars () {\n    this.blocks = {};\n  };\n\n  /**\n   * Get a value only from the current block context.\n   */\n  Context.prototype.getBlockVar = function getBlockVar (name) {\n    var blocks = this.blocks;\n\n    var value;\n    if (blocks.hasOwnProperty(name)) {\n      value = blocks[name];\n    } else {\n      if (this.parent) {\n        value = this.parent.getBlockVar(name);\n      }\n    }\n    // Can return undefined.\n    return value;\n  };\n\n  /**\n   * Returns the value of the given name in this context, traversing\n   * up the context hierarchy if the value is absent in this context's view.\n   */\n  Context.prototype.lookup = function lookup (name) {\n    var cache = this.cache;\n\n    var value;\n    if (cache.hasOwnProperty(name)) {\n      value = cache[name];\n    } else {\n      var context = this, intermediateValue, names, index, lookupHit = false;\n\n      while (context) {\n        if (name.indexOf('.') > 0) {\n          intermediateValue = context.view;\n          names = name.split('.');\n          index = 0;\n\n          /**\n           * Using the dot notion path in `name`, we descend through the\n           * nested objects.\n           *\n           * To be certain that the lookup has been successful, we have to\n           * check if the last object in the path actually has the property\n           * we are looking for. We store the result in `lookupHit`.\n           *\n           * This is specially necessary for when the value has been set to\n           * `undefined` and we want to avoid looking up parent contexts.\n           *\n           * In the case where dot notation is used, we consider the lookup\n           * to be successful even if the last \"object\" in the path is\n           * not actually an object but a primitive (e.g., a string, or an\n           * integer), because it is sometimes useful to access a property\n           * of an autoboxed primitive, such as the length of a string.\n           **/\n          while (intermediateValue != null && index < names.length) {\n            if (index === names.length - 1)\n              lookupHit = (\n                hasProperty(intermediateValue, names[index])\n                || primitiveHasOwnProperty(intermediateValue, names[index])\n              );\n\n            intermediateValue = intermediateValue[names[index++]];\n          }\n        } else {\n          intermediateValue = context.view[name];\n\n          /**\n           * Only checking against `hasProperty`, which always returns `false` if\n           * `context.view` is not an object. Deliberately omitting the check\n           * against `primitiveHasOwnProperty` if dot notation is not used.\n           *\n           * Consider this example:\n           * ```\n           * Mustache.render(\"The length of a football field is {{#length}}{{length}}{{/length}}.\", {length: \"100 yards\"})\n           * ```\n           *\n           * If we were to check also against `primitiveHasOwnProperty`, as we do\n           * in the dot notation case, then render call would return:\n           *\n           * \"The length of a football field is 9.\"\n           *\n           * rather than the expected:\n           *\n           * \"The length of a football field is 100 yards.\"\n           **/\n          lookupHit = hasProperty(context.view, name);\n        }\n\n        if (lookupHit) {\n          value = intermediateValue;\n          break;\n        }\n\n        context = context.parent;\n      }\n\n      cache[name] = value;\n    }\n\n    if (isFunction(value))\n      value = value.call(this.view);\n\n    return value;\n  };\n\n  /**\n   * A Writer knows how to take a stream of tokens and render them to a\n   * string, given a context. It also maintains a cache of templates to\n   * avoid the need to parse the same template twice.\n   */\n  function Writer () {\n    this.cache = {};\n  }\n\n  /**\n   * Clears all cached templates in this writer.\n   */\n  Writer.prototype.clearCache = function clearCache () {\n    this.cache = {};\n  };\n\n  /**\n   * Parses and caches the given `template` according to the given `tags` or\n   * `mustache.tags` if `tags` is omitted,  and returns the array of tokens\n   * that is generated from the parse.\n   */\n  Writer.prototype.parse = function parse (template, tags) {\n    var cache = this.cache;\n    var cacheKey = template + ':' + (tags || mustache.tags).join(':');\n    var tokens = cache[cacheKey];\n\n    if (tokens == null)\n      tokens = cache[cacheKey] = parseTemplate(template, tags);\n\n    return tokens;\n  };\n\n  /**\n   * High-level method that is used to render the given `template` with\n   * the given `view`.\n   *\n   * The optional `partials` argument may be an object that contains the\n   * names and templates of partials that are used in the template. It may\n   * also be a function that is used to load partial templates on the fly\n   * that takes a single argument: the name of the partial.\n   *\n   * If the optional `tags` argument is given here it must be an array with two\n   * string values: the opening and closing tags used in the template (e.g.\n   * [ \"<%\", \"%>\" ]). The default is to mustache.tags.\n   */\n  Writer.prototype.render = function render (template, view, partials, tags) {\n    var tokens = this.parse(template, tags);\n    var context = (view instanceof Context) ? view : new Context(view);\n    return this.renderTokens(tokens, context, partials, template, tags);\n  };\n\n  /**\n   * Low-level method that renders the given array of `tokens` using\n   * the given `context` and `partials`.\n   *\n   * Note: The `originalTemplate` is only ever used to extract the portion\n   * of the original template that was contained in a higher-order section.\n   * If the template doesn't use higher-order sections, this argument may\n   * be omitted.\n   */\n  Writer.prototype.renderTokens = function renderTokens (tokens, context, partials, originalTemplate, tags) {\n    var buffer = '';\n\n    var token, symbol, value;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      value = undefined;\n      token = tokens[i];\n      symbol = token[0];\n\n      if (symbol === '#') value = this.renderSection(token, context, partials, originalTemplate);\n      else if (symbol === '^') value = this.renderInverted(token, context, partials, originalTemplate);\n      else if (symbol === '>') value = this.renderPartial(token, context, partials, tags);\n      else if (symbol === '<') value = this.renderBlock(token, context, partials, originalTemplate);\n      else if (symbol === '$') value = this.renderBlockVariable(token, context, partials, originalTemplate);\n      else if (symbol === '&') value = this.unescapedValue(token, context);\n      else if (symbol === 'name') value = this.escapedValue(token, context);\n      else if (symbol === 'text') value = this.rawValue(token);\n\n      if (value !== undefined)\n        buffer += value;\n    }\n\n    return buffer;\n  };\n\n  Writer.prototype.renderSection = function renderSection (token, context, partials, originalTemplate) {\n    var self = this;\n    var buffer = '';\n    var value = context.lookup(token[1]);\n\n    // This function is used to render an arbitrary template\n    // in the current context by higher-order sections.\n    function subRender (template) {\n      return self.render(template, context, partials);\n    }\n\n    if (!value) return;\n\n    if (isArray(value)) {\n      for (var j = 0, valueLength = value.length; j < valueLength; ++j) {\n        buffer += this.renderTokens(token[4], context.push(value[j]), partials, originalTemplate);\n      }\n    } else if (typeof value === 'object' || typeof value === 'string' || typeof value === 'number') {\n      buffer += this.renderTokens(token[4], context.push(value), partials, originalTemplate);\n    } else if (isFunction(value)) {\n      if (typeof originalTemplate !== 'string')\n        throw new Error('Cannot use higher-order sections without the original template');\n\n      // Extract the portion of the original template that the section contains.\n      value = value.call(context.view, originalTemplate.slice(token[3], token[5]), subRender);\n\n      if (value != null)\n        buffer += value;\n    } else {\n      buffer += this.renderTokens(token[4], context, partials, originalTemplate);\n    }\n    return buffer;\n  };\n\n  Writer.prototype.renderInverted = function renderInverted (token, context, partials, originalTemplate) {\n    var value = context.lookup(token[1]);\n\n    // Use JavaScript's definition of falsy. Include empty arrays.\n    // See https://github.com/janl/mustache.js/issues/186\n    if (!value || (isArray(value) && value.length === 0))\n      return this.renderTokens(token[4], context, partials, originalTemplate);\n  };\n\n  Writer.prototype.indentPartial = function indentPartial (partial, indentation, lineHasNonSpace) {\n    var filteredIndentation = indentation.replace(/[^ \\t]/g, '');\n    var partialByNl = partial.split('\\n');\n    for (var i = 0; i < partialByNl.length; i++) {\n      if (partialByNl[i].length && (i > 0 || !lineHasNonSpace)) {\n        partialByNl[i] = filteredIndentation + partialByNl[i];\n      }\n    }\n    return partialByNl.join('\\n');\n  };\n\n  Writer.prototype.renderPartial = function renderPartial (token, context, partials, tags) {\n    if (!partials) return;\n\n    var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];\n    if (value != null) {\n      var lineHasNonSpace = token[6];\n      var tagIndex = token[5];\n      var indentation = token[4];\n      var indentedValue = value;\n      if (tagIndex == 0 && indentation) {\n        indentedValue = this.indentPartial(value, indentation, lineHasNonSpace);\n      }\n      return this.renderTokens(this.parse(indentedValue, tags), context, partials, indentedValue);\n    }\n  };\n\n  Writer.prototype.renderBlock = function renderBlock (token, context, partials, originalTemplate) {\n    if (!partials) return;\n\n    var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];\n    if (value != null)\n    // Ignore any wrongly set block vars before we started.\n      context.clearBlockVars();\n    // We are only rendering to record the default block variables.\n    this.renderTokens(token[4], context, partials, originalTemplate);\n    // Now we render and return the result.\n    var result = this.renderTokens(this.parse(value), context, partials, value);\n    // Don't leak the block variables outside this include.\n    context.clearBlockVars();\n    return result;\n  };\n\n  Writer.prototype.renderBlockVariable = function renderBlockVariable (token, context, partials, originalTemplate) {\n    var value = token[1];\n\n    var exists = context.getBlockVar(value);\n    if (!exists) {\n      context.setBlockVar(value, originalTemplate.slice(token[3], token[5]));\n      return this.renderTokens(token[4], context, partials, originalTemplate);\n    } else {\n      return this.renderTokens(this.parse(exists), context, partials, exists);\n    }\n  };\n\n  Writer.prototype.unescapedValue = function unescapedValue (token, context) {\n    var value = context.lookup(token[1]);\n    if (value != null)\n      return value;\n  };\n\n  Writer.prototype.escapedValue = function escapedValue (token, context) {\n    var value = context.lookup(token[1]);\n    if (value != null)\n      return mustache.escape(value);\n  };\n\n  Writer.prototype.rawValue = function rawValue (token) {\n    return token[1];\n  };\n\n  mustache.name = 'mustache.js';\n  mustache.version = '3.1.0';\n  mustache.tags = [ '{{', '}}' ];\n\n  // All high-level mustache.* functions use this writer.\n  var defaultWriter = new Writer();\n\n  /**\n   * Clears all cached templates in the default writer.\n   */\n  mustache.clearCache = function clearCache () {\n    return defaultWriter.clearCache();\n  };\n\n  /**\n   * Parses and caches the given template in the default writer and returns the\n   * array of tokens it contains. Doing this ahead of time avoids the need to\n   * parse templates on the fly as they are rendered.\n   */\n  mustache.parse = function parse (template, tags) {\n    return defaultWriter.parse(template, tags);\n  };\n\n  /**\n   * Renders the `template` with the given `view` and `partials` using the\n   * default writer. If the optional `tags` argument is given here it must be an\n   * array with two string values: the opening and closing tags used in the\n   * template (e.g. [ \"<%\", \"%>\" ]). The default is to mustache.tags.\n   */\n  mustache.render = function render (template, view, partials, tags) {\n    if (typeof template !== 'string') {\n      throw new TypeError('Invalid template! Template should be a \"string\" ' +\n                          'but \"' + typeStr(template) + '\" was given as the first ' +\n                          'argument for mustache#render(template, view, partials)');\n    }\n\n    return defaultWriter.render(template, view, partials, tags);\n  };\n\n  // This is here for backwards compatibility with 0.4.x.,\n  /*eslint-disable */ // eslint wants camel cased function name\n  mustache.to_html = function to_html (template, view, partials, send) {\n    /*eslint-enable*/\n\n    var result = mustache.render(template, view, partials);\n\n    if (isFunction(send)) {\n      send(result);\n    } else {\n      return result;\n    }\n  };\n\n  // Export the escaping function so that the user may override it.\n  // See https://github.com/janl/mustache.js/issues/244\n  mustache.escape = escapeHtml;\n\n  // Export these mainly for testing, but also for advanced usage.\n  mustache.Scanner = Scanner;\n  mustache.Context = Context;\n  mustache.Writer = Writer;\n\n  return mustache;\n}));\n/* jshint ignore:end */\n"],"file":"mustache.min.js"}
\ No newline at end of file
+{"version":3,"file":"mustache.min.js","sources":["../src/mustache.js"],"sourcesContent":["// The MIT License\n//\n// Copyright (c) 2009 Chris Wanstrath (Ruby)\n// Copyright (c) 2010-2014 Jan Lehnardt (JavaScript)\n// Copyright (c) 2010-2015 The mustache.js community\n//\n// Permission is hereby granted, free of charge, to any person obtaining\n// a copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to\n// permit persons to whom the Software is furnished to do so, subject to\n// the following conditions:\n//\n// The above copyright notice and this permission notice shall be\n// included in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.\n// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY\n// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,\n// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE\n// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n//\n\n// Description of import into Moodle:\n// Checkout from https://github.com/moodle/custom-mustache.js Branch: LAMBDA_ARGS\n// Rebase onto latest release tag from https://github.com/janl/mustache.js\n// Copy mustache.js into lib/amd/src/ in Moodle folder.\n// Add the license as a comment to the file and these instructions.\n// Add jshint tags so this file is not linted.\n// Remove the \"global define:\" comment (hint for linter)\n// Make sure that you have not removed the custom code for '$' and '<'.\n\n/*!\n * mustache.js - Logic-less {{mustache}} templates with JavaScript\n * http://github.com/janl/mustache.js\n */\n\n/* jshint ignore:start */\n\n(function defineMustache (global, factory) {\n  if (typeof exports === 'object' && exports && typeof exports.nodeName !== 'string') {\n    factory(exports); // CommonJS\n  } else if (typeof define === 'function' && define.amd) {\n    define(['exports'], factory); // AMD\n  } else {\n    global.Mustache = {};\n    factory(global.Mustache); // script, wsh, asp\n  }\n}(this, function mustacheFactory (mustache) {\n\n  var objectToString = Object.prototype.toString;\n  var isArray = Array.isArray || function isArrayPolyfill (object) {\n    return objectToString.call(object) === '[object Array]';\n  };\n\n  function isFunction (object) {\n    return typeof object === 'function';\n  }\n\n  /**\n   * More correct typeof string handling array\n   * which normally returns typeof 'object'\n   */\n  function typeStr (obj) {\n    return isArray(obj) ? 'array' : typeof obj;\n  }\n\n  function escapeRegExp (string) {\n    return string.replace(/[\\-\\[\\]{}()*+?.,\\\\\\^$|#\\s]/g, '\\\\$&');\n  }\n\n  /**\n   * Null safe way of checking whether or not an object,\n   * including its prototype, has a given property\n   */\n  function hasProperty (obj, propName) {\n    return obj != null && typeof obj === 'object' && (propName in obj);\n  }\n\n  /**\n   * Safe way of detecting whether or not the given thing is a primitive and\n   * whether it has the given property\n   */\n  function primitiveHasOwnProperty (primitive, propName) {\n    return (\n      primitive != null\n      && typeof primitive !== 'object'\n      && primitive.hasOwnProperty\n      && primitive.hasOwnProperty(propName)\n    );\n  }\n\n  // Workaround for https://issues.apache.org/jira/browse/COUCHDB-577\n  // See https://github.com/janl/mustache.js/issues/189\n  var regExpTest = RegExp.prototype.test;\n  function testRegExp (re, string) {\n    return regExpTest.call(re, string);\n  }\n\n  var nonSpaceRe = /\\S/;\n  function isWhitespace (string) {\n    return !testRegExp(nonSpaceRe, string);\n  }\n\n  var entityMap = {\n    '&': '&amp;',\n    '<': '&lt;',\n    '>': '&gt;',\n    '\"': '&quot;',\n    \"'\": '&#39;',\n    '/': '&#x2F;',\n    '`': '&#x60;',\n    '=': '&#x3D;'\n  };\n\n  function escapeHtml (string) {\n    return String(string).replace(/[&<>\"'`=\\/]/g, function fromEntityMap (s) {\n      return entityMap[s];\n    });\n  }\n\n  var whiteRe = /\\s*/;\n  var spaceRe = /\\s+/;\n  var equalsRe = /\\s*=/;\n  var curlyRe = /\\s*\\}/;\n  var tagRe = /#|\\^|\\/|>|\\{|&|=|!|\\$|</;\n\n  /**\n   * Breaks up the given `template` string into a tree of tokens. If the `tags`\n   * argument is given here it must be an array with two string values: the\n   * opening and closing tags used in the template (e.g. [ \"<%\", \"%>\" ]). Of\n   * course, the default is to use mustaches (i.e. mustache.tags).\n   *\n   * A token is an array with at least 4 elements. The first element is the\n   * mustache symbol that was used inside the tag, e.g. \"#\" or \"&\". If the tag\n   * did not contain a symbol (i.e. {{myValue}}) this element is \"name\". For\n   * all text that appears outside a symbol this element is \"text\".\n   *\n   * The second element of a token is its \"value\". For mustache tags this is\n   * whatever else was inside the tag besides the opening symbol. For text tokens\n   * this is the text itself.\n   *\n   * The third and fourth elements of the token are the start and end indices,\n   * respectively, of the token in the original template.\n   *\n   * Tokens that are the root node of a subtree contain two more elements: 1) an\n   * array of tokens in the subtree and 2) the index in the original template at\n   * which the closing tag for that section begins.\n   *\n   * Tokens for partials also contain two more elements: 1) a string value of\n   * indendation prior to that tag and 2) the index of that tag on that line -\n   * eg a value of 2 indicates the partial is the third tag on this line.\n   */\n  function parseTemplate (template, tags) {\n    if (!template)\n      return [];\n    var lineHasNonSpace = false;\n    var sections = [];     // Stack to hold section tokens\n    var tokens = [];       // Buffer to hold the tokens\n    var spaces = [];       // Indices of whitespace tokens on the current line\n    var hasTag = false;    // Is there a {{tag}} on the current line?\n    var nonSpace = false;  // Is there a non-space char on the current line?\n    var indentation = '';  // Tracks indentation for tags that use it\n    var tagIndex = 0;      // Stores a count of number of tags encountered on a line\n\n    // Strips all whitespace tokens array for the current line\n    // if there was a {{#tag}} on it and otherwise only space.\n    function stripSpace () {\n      if (hasTag && !nonSpace) {\n        while (spaces.length)\n          delete tokens[spaces.pop()];\n      } else {\n        spaces = [];\n      }\n\n      hasTag = false;\n      nonSpace = false;\n    }\n\n    var openingTagRe, closingTagRe, closingCurlyRe;\n    function compileTags (tagsToCompile) {\n      if (typeof tagsToCompile === 'string')\n        tagsToCompile = tagsToCompile.split(spaceRe, 2);\n\n      if (!isArray(tagsToCompile) || tagsToCompile.length !== 2)\n        throw new Error('Invalid tags: ' + tagsToCompile);\n\n      openingTagRe = new RegExp(escapeRegExp(tagsToCompile[0]) + '\\\\s*');\n      closingTagRe = new RegExp('\\\\s*' + escapeRegExp(tagsToCompile[1]));\n      closingCurlyRe = new RegExp('\\\\s*' + escapeRegExp('}' + tagsToCompile[1]));\n    }\n\n    compileTags(tags || mustache.tags);\n\n    var scanner = new Scanner(template);\n\n    var start, type, value, chr, token, openSection;\n    while (!scanner.eos()) {\n      start = scanner.pos;\n\n      // Match any text between tags.\n      value = scanner.scanUntil(openingTagRe);\n\n      if (value) {\n        for (var i = 0, valueLength = value.length; i < valueLength; ++i) {\n          chr = value.charAt(i);\n\n          if (isWhitespace(chr)) {\n            spaces.push(tokens.length);\n            indentation += chr;\n          } else {\n            nonSpace = true;\n            lineHasNonSpace = true;\n            indentation += ' ';\n          }\n\n          tokens.push([ 'text', chr, start, start + 1 ]);\n          start += 1;\n\n          // Check for whitespace on the current line.\n          if (chr === '\\n') {\n            stripSpace();\n            indentation = '';\n            tagIndex = 0;\n            lineHasNonSpace = false;\n          }\n        }\n      }\n\n      // Match the opening tag.\n      if (!scanner.scan(openingTagRe))\n        break;\n\n      hasTag = true;\n\n      // Get the tag type.\n      type = scanner.scan(tagRe) || 'name';\n      scanner.scan(whiteRe);\n\n      // Get the tag value.\n      if (type === '=') {\n        value = scanner.scanUntil(equalsRe);\n        scanner.scan(equalsRe);\n        scanner.scanUntil(closingTagRe);\n      } else if (type === '{') {\n        value = scanner.scanUntil(closingCurlyRe);\n        scanner.scan(curlyRe);\n        scanner.scanUntil(closingTagRe);\n        type = '&';\n      } else {\n        value = scanner.scanUntil(closingTagRe);\n      }\n\n      // Match the closing tag.\n      if (!scanner.scan(closingTagRe))\n        throw new Error('Unclosed tag at ' + scanner.pos);\n\n      if (type == '>') {\n        token = [ type, value, start, scanner.pos, indentation, tagIndex, lineHasNonSpace ];\n      } else {\n        token = [ type, value, start, scanner.pos ];\n      }\n      tagIndex++;\n      tokens.push(token);\n\n      if (type === '#' || type === '^' || type === '$' || type === '<') {\n        sections.push(token);\n      } else if (type === '/') {\n        // Check section nesting.\n        openSection = sections.pop();\n\n        if (!openSection)\n          throw new Error('Unopened section \"' + value + '\" at ' + start);\n\n        if (openSection[1] !== value)\n          throw new Error('Unclosed section \"' + openSection[1] + '\" at ' + start);\n      } else if (type === 'name' || type === '{' || type === '&') {\n        nonSpace = true;\n      } else if (type === '=') {\n        // Set the tags for the next time around.\n        compileTags(value);\n      }\n    }\n\n    stripSpace();\n\n    // Make sure there are no open sections when we're done.\n    openSection = sections.pop();\n\n    if (openSection)\n      throw new Error('Unclosed section \"' + openSection[1] + '\" at ' + scanner.pos);\n\n    return nestTokens(squashTokens(tokens));\n  }\n\n  /**\n   * Combines the values of consecutive text tokens in the given `tokens` array\n   * to a single token.\n   */\n  function squashTokens (tokens) {\n    var squashedTokens = [];\n\n    var token, lastToken;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      token = tokens[i];\n\n      if (token) {\n        if (token[0] === 'text' && lastToken && lastToken[0] === 'text') {\n          lastToken[1] += token[1];\n          lastToken[3] = token[3];\n        } else {\n          squashedTokens.push(token);\n          lastToken = token;\n        }\n      }\n    }\n\n    return squashedTokens;\n  }\n\n  /**\n   * Forms the given array of `tokens` into a nested tree structure where\n   * tokens that represent a section have two additional items: 1) an array of\n   * all tokens that appear in that section and 2) the index in the original\n   * template that represents the end of that section.\n   */\n  function nestTokens (tokens) {\n    var nestedTokens = [];\n    var collector = nestedTokens;\n    var sections = [];\n\n    var token, section;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      token = tokens[i];\n\n      switch (token[0]) {\n        case '$':\n        case '<':\n        case '#':\n        case '^':\n          collector.push(token);\n          sections.push(token);\n          collector = token[4] = [];\n          break;\n        case '/':\n          section = sections.pop();\n          section[5] = token[2];\n          collector = sections.length > 0 ? sections[sections.length - 1][4] : nestedTokens;\n          break;\n        default:\n          collector.push(token);\n      }\n    }\n\n    return nestedTokens;\n  }\n\n  /**\n   * A simple string scanner that is used by the template parser to find\n   * tokens in template strings.\n   */\n  function Scanner (string) {\n    this.string = string;\n    this.tail = string;\n    this.pos = 0;\n  }\n\n  /**\n   * Returns `true` if the tail is empty (end of string).\n   */\n  Scanner.prototype.eos = function eos () {\n    return this.tail === '';\n  };\n\n  /**\n   * Tries to match the given regular expression at the current position.\n   * Returns the matched text if it can match, the empty string otherwise.\n   */\n  Scanner.prototype.scan = function scan (re) {\n    var match = this.tail.match(re);\n\n    if (!match || match.index !== 0)\n      return '';\n\n    var string = match[0];\n\n    this.tail = this.tail.substring(string.length);\n    this.pos += string.length;\n\n    return string;\n  };\n\n  /**\n   * Skips all text until the given regular expression can be matched. Returns\n   * the skipped string, which is the entire tail if no match can be made.\n   */\n  Scanner.prototype.scanUntil = function scanUntil (re) {\n    var index = this.tail.search(re), match;\n\n    switch (index) {\n      case -1:\n        match = this.tail;\n        this.tail = '';\n        break;\n      case 0:\n        match = '';\n        break;\n      default:\n        match = this.tail.substring(0, index);\n        this.tail = this.tail.substring(index);\n    }\n\n    this.pos += match.length;\n\n    return match;\n  };\n\n  /**\n   * Represents a rendering context by wrapping a view object and\n   * maintaining a reference to the parent context.\n   */\n  function Context (view, parentContext) {\n    this.view = view;\n    this.blocks = {};\n    this.cache = { '.': this.view };\n    this.parent = parentContext;\n  }\n\n  /**\n   * Creates a new context using the given view with this context\n   * as the parent.\n   */\n  Context.prototype.push = function push (view) {\n    return new Context(view, this);\n  };\n\n  /**\n   * Set a value in the current block context.\n   */\n  Context.prototype.setBlockVar = function set (name, value) {\n    var blocks = this.blocks;\n\n    blocks[name] = value;\n\n    return value;\n  };\n\n  /**\n   * Clear all current block vars.\n   */\n  Context.prototype.clearBlockVars = function clearBlockVars () {\n    this.blocks = {};\n  };\n\n  /**\n   * Get a value only from the current block context.\n   */\n  Context.prototype.getBlockVar = function getBlockVar (name) {\n    var blocks = this.blocks;\n\n    var value;\n    if (blocks.hasOwnProperty(name)) {\n      value = blocks[name];\n    } else {\n      if (this.parent) {\n        value = this.parent.getBlockVar(name);\n      }\n    }\n    // Can return undefined.\n    return value;\n  };\n\n  /**\n   * Returns the value of the given name in this context, traversing\n   * up the context hierarchy if the value is absent in this context's view.\n   */\n  Context.prototype.lookup = function lookup (name) {\n    var cache = this.cache;\n\n    var value;\n    if (cache.hasOwnProperty(name)) {\n      value = cache[name];\n    } else {\n      var context = this, intermediateValue, names, index, lookupHit = false;\n\n      while (context) {\n        if (name.indexOf('.') > 0) {\n          intermediateValue = context.view;\n          names = name.split('.');\n          index = 0;\n\n          /**\n           * Using the dot notion path in `name`, we descend through the\n           * nested objects.\n           *\n           * To be certain that the lookup has been successful, we have to\n           * check if the last object in the path actually has the property\n           * we are looking for. We store the result in `lookupHit`.\n           *\n           * This is specially necessary for when the value has been set to\n           * `undefined` and we want to avoid looking up parent contexts.\n           *\n           * In the case where dot notation is used, we consider the lookup\n           * to be successful even if the last \"object\" in the path is\n           * not actually an object but a primitive (e.g., a string, or an\n           * integer), because it is sometimes useful to access a property\n           * of an autoboxed primitive, such as the length of a string.\n           **/\n          while (intermediateValue != null && index < names.length) {\n            if (index === names.length - 1)\n              lookupHit = (\n                hasProperty(intermediateValue, names[index])\n                || primitiveHasOwnProperty(intermediateValue, names[index])\n              );\n\n            intermediateValue = intermediateValue[names[index++]];\n          }\n        } else {\n          intermediateValue = context.view[name];\n\n          /**\n           * Only checking against `hasProperty`, which always returns `false` if\n           * `context.view` is not an object. Deliberately omitting the check\n           * against `primitiveHasOwnProperty` if dot notation is not used.\n           *\n           * Consider this example:\n           * ```\n           * Mustache.render(\"The length of a football field is {{#length}}{{length}}{{/length}}.\", {length: \"100 yards\"})\n           * ```\n           *\n           * If we were to check also against `primitiveHasOwnProperty`, as we do\n           * in the dot notation case, then render call would return:\n           *\n           * \"The length of a football field is 9.\"\n           *\n           * rather than the expected:\n           *\n           * \"The length of a football field is 100 yards.\"\n           **/\n          lookupHit = hasProperty(context.view, name);\n        }\n\n        if (lookupHit) {\n          value = intermediateValue;\n          break;\n        }\n\n        context = context.parent;\n      }\n\n      cache[name] = value;\n    }\n\n    if (isFunction(value))\n      value = value.call(this.view);\n\n    return value;\n  };\n\n  /**\n   * A Writer knows how to take a stream of tokens and render them to a\n   * string, given a context. It also maintains a cache of templates to\n   * avoid the need to parse the same template twice.\n   */\n  function Writer () {\n    this.cache = {};\n  }\n\n  /**\n   * Clears all cached templates in this writer.\n   */\n  Writer.prototype.clearCache = function clearCache () {\n    this.cache = {};\n  };\n\n  /**\n   * Parses and caches the given `template` according to the given `tags` or\n   * `mustache.tags` if `tags` is omitted,  and returns the array of tokens\n   * that is generated from the parse.\n   */\n  Writer.prototype.parse = function parse (template, tags) {\n    var cache = this.cache;\n    var cacheKey = template + ':' + (tags || mustache.tags).join(':');\n    var tokens = cache[cacheKey];\n\n    if (tokens == null)\n      tokens = cache[cacheKey] = parseTemplate(template, tags);\n\n    return tokens;\n  };\n\n  /**\n   * High-level method that is used to render the given `template` with\n   * the given `view`.\n   *\n   * The optional `partials` argument may be an object that contains the\n   * names and templates of partials that are used in the template. It may\n   * also be a function that is used to load partial templates on the fly\n   * that takes a single argument: the name of the partial.\n   *\n   * If the optional `tags` argument is given here it must be an array with two\n   * string values: the opening and closing tags used in the template (e.g.\n   * [ \"<%\", \"%>\" ]). The default is to mustache.tags.\n   */\n  Writer.prototype.render = function render (template, view, partials, tags) {\n    var tokens = this.parse(template, tags);\n    var context = (view instanceof Context) ? view : new Context(view);\n    return this.renderTokens(tokens, context, partials, template, tags);\n  };\n\n  /**\n   * Low-level method that renders the given array of `tokens` using\n   * the given `context` and `partials`.\n   *\n   * Note: The `originalTemplate` is only ever used to extract the portion\n   * of the original template that was contained in a higher-order section.\n   * If the template doesn't use higher-order sections, this argument may\n   * be omitted.\n   */\n  Writer.prototype.renderTokens = function renderTokens (tokens, context, partials, originalTemplate, tags) {\n    var buffer = '';\n\n    var token, symbol, value;\n    for (var i = 0, numTokens = tokens.length; i < numTokens; ++i) {\n      value = undefined;\n      token = tokens[i];\n      symbol = token[0];\n\n      if (symbol === '#') value = this.renderSection(token, context, partials, originalTemplate);\n      else if (symbol === '^') value = this.renderInverted(token, context, partials, originalTemplate);\n      else if (symbol === '>') value = this.renderPartial(token, context, partials, tags);\n      else if (symbol === '<') value = this.renderBlock(token, context, partials, originalTemplate);\n      else if (symbol === '$') value = this.renderBlockVariable(token, context, partials, originalTemplate);\n      else if (symbol === '&') value = this.unescapedValue(token, context);\n      else if (symbol === 'name') value = this.escapedValue(token, context);\n      else if (symbol === 'text') value = this.rawValue(token);\n\n      if (value !== undefined)\n        buffer += value;\n    }\n\n    return buffer;\n  };\n\n  Writer.prototype.renderSection = function renderSection (token, context, partials, originalTemplate) {\n    var self = this;\n    var buffer = '';\n    var value = context.lookup(token[1]);\n\n    // This function is used to render an arbitrary template\n    // in the current context by higher-order sections.\n    function subRender (template) {\n      return self.render(template, context, partials);\n    }\n\n    if (!value) return;\n\n    if (isArray(value)) {\n      for (var j = 0, valueLength = value.length; j < valueLength; ++j) {\n        buffer += this.renderTokens(token[4], context.push(value[j]), partials, originalTemplate);\n      }\n    } else if (typeof value === 'object' || typeof value === 'string' || typeof value === 'number') {\n      buffer += this.renderTokens(token[4], context.push(value), partials, originalTemplate);\n    } else if (isFunction(value)) {\n      if (typeof originalTemplate !== 'string')\n        throw new Error('Cannot use higher-order sections without the original template');\n\n      // Extract the portion of the original template that the section contains.\n      value = value.call(context.view, originalTemplate.slice(token[3], token[5]), subRender);\n\n      if (value != null)\n        buffer += value;\n    } else {\n      buffer += this.renderTokens(token[4], context, partials, originalTemplate);\n    }\n    return buffer;\n  };\n\n  Writer.prototype.renderInverted = function renderInverted (token, context, partials, originalTemplate) {\n    var value = context.lookup(token[1]);\n\n    // Use JavaScript's definition of falsy. Include empty arrays.\n    // See https://github.com/janl/mustache.js/issues/186\n    if (!value || (isArray(value) && value.length === 0))\n      return this.renderTokens(token[4], context, partials, originalTemplate);\n  };\n\n  Writer.prototype.indentPartial = function indentPartial (partial, indentation, lineHasNonSpace) {\n    var filteredIndentation = indentation.replace(/[^ \\t]/g, '');\n    var partialByNl = partial.split('\\n');\n    for (var i = 0; i < partialByNl.length; i++) {\n      if (partialByNl[i].length && (i > 0 || !lineHasNonSpace)) {\n        partialByNl[i] = filteredIndentation + partialByNl[i];\n      }\n    }\n    return partialByNl.join('\\n');\n  };\n\n  Writer.prototype.renderPartial = function renderPartial (token, context, partials, tags) {\n    if (!partials) return;\n\n    var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];\n    if (value != null) {\n      var lineHasNonSpace = token[6];\n      var tagIndex = token[5];\n      var indentation = token[4];\n      var indentedValue = value;\n      if (tagIndex == 0 && indentation) {\n        indentedValue = this.indentPartial(value, indentation, lineHasNonSpace);\n      }\n      return this.renderTokens(this.parse(indentedValue, tags), context, partials, indentedValue);\n    }\n  };\n\n  Writer.prototype.renderBlock = function renderBlock (token, context, partials, originalTemplate) {\n    if (!partials) return;\n\n    var value = isFunction(partials) ? partials(token[1]) : partials[token[1]];\n    if (value != null)\n    // Ignore any wrongly set block vars before we started.\n      context.clearBlockVars();\n    // We are only rendering to record the default block variables.\n    this.renderTokens(token[4], context, partials, originalTemplate);\n    // Now we render and return the result.\n    var result = this.renderTokens(this.parse(value), context, partials, value);\n    // Don't leak the block variables outside this include.\n    context.clearBlockVars();\n    return result;\n  };\n\n  Writer.prototype.renderBlockVariable = function renderBlockVariable (token, context, partials, originalTemplate) {\n    var value = token[1];\n\n    var exists = context.getBlockVar(value);\n    if (!exists) {\n      context.setBlockVar(value, originalTemplate.slice(token[3], token[5]));\n      return this.renderTokens(token[4], context, partials, originalTemplate);\n    } else {\n      return this.renderTokens(this.parse(exists), context, partials, exists);\n    }\n  };\n\n  Writer.prototype.unescapedValue = function unescapedValue (token, context) {\n    var value = context.lookup(token[1]);\n    if (value != null)\n      return value;\n  };\n\n  Writer.prototype.escapedValue = function escapedValue (token, context) {\n    var value = context.lookup(token[1]);\n    if (value != null)\n      return mustache.escape(value);\n  };\n\n  Writer.prototype.rawValue = function rawValue (token) {\n    return token[1];\n  };\n\n  mustache.name = 'mustache.js';\n  mustache.version = '3.1.0';\n  mustache.tags = [ '{{', '}}' ];\n\n  // All high-level mustache.* functions use this writer.\n  var defaultWriter = new Writer();\n\n  /**\n   * Clears all cached templates in the default writer.\n   */\n  mustache.clearCache = function clearCache () {\n    return defaultWriter.clearCache();\n  };\n\n  /**\n   * Parses and caches the given template in the default writer and returns the\n   * array of tokens it contains. Doing this ahead of time avoids the need to\n   * parse templates on the fly as they are rendered.\n   */\n  mustache.parse = function parse (template, tags) {\n    return defaultWriter.parse(template, tags);\n  };\n\n  /**\n   * Renders the `template` with the given `view` and `partials` using the\n   * default writer. If the optional `tags` argument is given here it must be an\n   * array with two string values: the opening and closing tags used in the\n   * template (e.g. [ \"<%\", \"%>\" ]). The default is to mustache.tags.\n   */\n  mustache.render = function render (template, view, partials, tags) {\n    if (typeof template !== 'string') {\n      throw new TypeError('Invalid template! Template should be a \"string\" ' +\n                          'but \"' + typeStr(template) + '\" was given as the first ' +\n                          'argument for mustache#render(template, view, partials)');\n    }\n\n    return defaultWriter.render(template, view, partials, tags);\n  };\n\n  // This is here for backwards compatibility with 0.4.x.,\n  /*eslint-disable */ // eslint wants camel cased function name\n  mustache.to_html = function to_html (template, view, partials, send) {\n    /*eslint-enable*/\n\n    var result = mustache.render(template, view, partials);\n\n    if (isFunction(send)) {\n      send(result);\n    } else {\n      return result;\n    }\n  };\n\n  // Export the escaping function so that the user may override it.\n  // See https://github.com/janl/mustache.js/issues/244\n  mustache.escape = escapeHtml;\n\n  // Export these mainly for testing, but also for advanced usage.\n  mustache.Scanner = Scanner;\n  mustache.Context = Context;\n  mustache.Writer = 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\ No newline at end of file
diff --git a/lib/amd/build/network.min.js b/lib/amd/build/network.min.js
index 81e4444b4ca..0332f121501 100644
--- a/lib/amd/build/network.min.js
+++ b/lib/amd/build/network.min.js
@@ -1,2 +1,11 @@
-define ("core/network",["jquery","core/ajax","core/config","core/notification","core/str"],function(a,b,c,d,e){var f=!1,g=!1,h=0,i=0,j=!1,k=!1,l=1e3*Math.min(c.sessiontimeout/10,600),m=function(){k=!0},n=function(){if(k){return e.get_strings([{key:"sessionexpired",component:"error"},{key:"sessionerroruser",component:"error"}]).then(function(a){d.alert(a[0],a[1]);return!0}).fail(d.exception)}else{return b.call([{methodname:"core_session_touch",args:{}}],!0,!0,!1,i)[0].then(function(){if(0<h){setTimeout(n,h)}return!0}).fail(function(){d.alert("",j)})}},o=function(){k=!1;return b.call([{methodname:"core_session_time_remaining",args:{}}],!0,!0,!0)[0].then(function(a){if(0>=a.userid){return!1}if(0>a.timeremaining){e.get_strings([{key:"sessionexpired",component:"error"},{key:"sessionerroruser",component:"error"}]).then(function(a){d.alert(a[0],a[1]);return!0}).fail(d.exception)}else if(1e3*a.timeremaining<2*l&&!g){setTimeout(m,1e3*a.timeremaining);g=!0;e.get_strings([{key:"norecentactivity",component:"moodle"},{key:"sessiontimeoutsoon",component:"moodle"},{key:"extendsession",component:"moodle"},{key:"cancel",component:"moodle"}]).then(function(a){d.confirm(a[0],a[1],a[2],a[3],function(){n();g=!1;setTimeout(o,5*l);return!0},function(){g=!1;setTimeout(o,l)});return!0}).fail(d.exception)}else{setTimeout(o,l)}return!0})},p=function(){if(0<h){setTimeout(n,h)}else{setTimeout(o,5*l)}},q=function(){if(f){return}f=!0;p()},r=function(a,b,c){if(f){return}f=!0;h=1e3*a;j=c;i=1e3*b;p()};return{keepalive:r,init:q}});
-//# sourceMappingURL=network.min.js.map
+/**
+ * Poll the server to keep the session alive.
+ *
+ * @module     core/network
+ * @package    core
+ * @copyright  2019 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/network",["jquery","core/ajax","core/config","core/notification","core/str"],(function($,Ajax,Config,Notification,Str){var started=!1,warningDisplayed=!1,keepAliveFrequency=0,requestTimeout=0,keepAliveMessage=!1,sessionTimeout=!1,checkFrequency=1e3*Math.min(Config.sessiontimeout/10,600),warningLimit=2*checkFrequency,timeoutSessionExpired=function(){sessionTimeout=!0},touchSession=function touchSession(){return sessionTimeout?Str.get_strings([{key:"sessionexpired",component:"error"},{key:"sessionerroruser",component:"error"}]).then((function(strings){return Notification.alert(strings[0],strings[1]),!0})).fail(Notification.exception):Ajax.call([{methodname:"core_session_touch",args:{}}],!0,!0,!1,requestTimeout)[0].then((function(){return keepAliveFrequency>0&&setTimeout(touchSession,keepAliveFrequency),!0})).fail((function(){Notification.alert("",keepAliveMessage)}))},checkSession=function checkSession(){return sessionTimeout=!1,Ajax.call([{methodname:"core_session_time_remaining",args:{}}],!0,!0,!0)[0].then((function(args){return!(args.userid<=0)&&(args.timeremaining<0?Str.get_strings([{key:"sessionexpired",component:"error"},{key:"sessionerroruser",component:"error"}]).then((function(strings){return Notification.alert(strings[0],strings[1]),!0})).fail(Notification.exception):1e3*args.timeremaining<warningLimit&&!warningDisplayed?(setTimeout(timeoutSessionExpired,1e3*args.timeremaining),warningDisplayed=!0,Str.get_strings([{key:"norecentactivity",component:"moodle"},{key:"sessiontimeoutsoon",component:"moodle"},{key:"extendsession",component:"moodle"},{key:"cancel",component:"moodle"}]).then((function(strings){return Notification.confirm(strings[0],strings[1],strings[2],strings[3],(function(){return touchSession(),warningDisplayed=!1,setTimeout(checkSession,5*checkFrequency),!0}),(function(){warningDisplayed=!1,setTimeout(checkSession,checkFrequency)})),!0})).fail(Notification.exception)):setTimeout(checkSession,checkFrequency),!0)}))},start=function(){keepAliveFrequency>0?setTimeout(touchSession,keepAliveFrequency):setTimeout(checkSession,5*checkFrequency)};return{keepalive:function(freq,timeout,message){started||(started=!0,keepAliveFrequency=1e3*freq,keepAliveMessage=message,requestTimeout=1e3*timeout,start())},init:function(){started||(started=!0,start())}}}));
+
+//# sourceMappingURL=network.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/network.min.js.map b/lib/amd/build/network.min.js.map
index b2204e18974..04f0569e9fa 100644
--- a/lib/amd/build/network.min.js.map
+++ b/lib/amd/build/network.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Poll the server to keep the session alive.\n *\n * @module     core/network\n * @package    core\n * @copyright  2019 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/config', 'core/notification', 'core/str'],\n        function($, Ajax, Config, Notification, Str) {\n\n    var started = false;\n    var warningDisplayed = false;\n    var keepAliveFrequency = 0;\n    var requestTimeout = 0;\n    var keepAliveMessage = false;\n    var sessionTimeout = false;\n    // 1/10 of session timeout, max of 10 minutes.\n    var checkFrequency = Math.min((Config.sessiontimeout / 10), 600) * 1000;\n    // 1/5 of sessiontimeout.\n    var warningLimit = checkFrequency * 2;\n\n    /**\n     * The session time has expired - we can't extend it now.\n     */\n    var timeoutSessionExpired = function() {\n        sessionTimeout = true;\n    };\n\n    /**\n     * Ping the server to keep the session alive.\n     *\n     * @return {Promise}\n     */\n    var touchSession = function() {\n        var request = {\n            methodname: 'core_session_touch',\n            args: { }\n        };\n\n        if (sessionTimeout) {\n            // We timed out before we extended the session.\n            return Str.get_strings([\n                {key: 'sessionexpired', component: 'error'},\n                {key: 'sessionerroruser', component: 'error'}\n            ]).then(function(strings) {\n                Notification.alert(\n                    strings[0], // Title.\n                    strings[1] // Message.\n                );\n                return true;\n            }).fail(Notification.exception);\n        } else {\n            return Ajax.call([request], true, true, false, requestTimeout)[0].then(function() {\n                if (keepAliveFrequency > 0) {\n                    setTimeout(touchSession, keepAliveFrequency);\n                }\n                return true;\n            }).fail(function() {\n                Notification.alert('', keepAliveMessage);\n            });\n        }\n    };\n\n    /**\n     * Ask the server how much time is remaining in this session and\n     * show confirm/cancel notifications if the session is about to run out.\n     *\n     * @return {Promise}\n     */\n    var checkSession = function() {\n        var request = {\n            methodname: 'core_session_time_remaining',\n            args: { }\n        };\n\n        sessionTimeout = false;\n        return Ajax.call([request], true, true, true)[0].then(function(args) {\n            if (args.userid <= 0) {\n                return false;\n            }\n            if (args.timeremaining < 0) {\n                Str.get_strings([\n                    {key: 'sessionexpired', component: 'error'},\n                    {key: 'sessionerroruser', component: 'error'}\n                ]).then(function(strings) {\n                    Notification.alert(\n                        strings[0], // Title.\n                        strings[1] // Message.\n                    );\n                    return true;\n                }).fail(Notification.exception);\n\n            } else if (args.timeremaining * 1000 < warningLimit && !warningDisplayed) {\n                // If we don't extend the session before the timeout - warn.\n                setTimeout(timeoutSessionExpired, args.timeremaining * 1000);\n                warningDisplayed = true;\n                Str.get_strings([\n                    {key: 'norecentactivity', component: 'moodle'},\n                    {key: 'sessiontimeoutsoon', component: 'moodle'},\n                    {key: 'extendsession', component: 'moodle'},\n                    {key: 'cancel', component: 'moodle'}\n                ]).then(function(strings) {\n                    Notification.confirm(\n                        strings[0], // Title.\n                        strings[1], // Message.\n                        strings[2], // Extend session.\n                        strings[3], // Cancel.\n                        function() {\n                            touchSession();\n                            warningDisplayed = false;\n                            // First wait is half the session timeout.\n                            setTimeout(checkSession, checkFrequency * 5);\n                            return true;\n                        },\n                        function() {\n                            warningDisplayed = false;\n                            setTimeout(checkSession, checkFrequency);\n                        }\n                    );\n                    return true;\n                }).fail(Notification.exception);\n            } else {\n                setTimeout(checkSession, checkFrequency);\n            }\n            return true;\n        });\n        // We do not catch the fails from the above ajax call because they will fail when\n        // we are not logged in - we don't need to take any action then.\n    };\n\n    /**\n     * Start calling a function to check if the session is still alive.\n     */\n    var start = function() {\n        if (keepAliveFrequency > 0) {\n            setTimeout(touchSession, keepAliveFrequency);\n        } else {\n            // First wait is half the session timeout.\n            setTimeout(checkSession, checkFrequency * 5);\n        }\n    };\n\n    /**\n     * Don't allow more than one of these polling loops in a single page.\n     */\n    var init = function() {\n        // We only allow one concurrent instance of this checker.\n        if (started) {\n            return;\n        }\n        started = true;\n\n        start();\n    };\n\n    /**\n     * Start polling with more specific values for the frequency, timeout and message.\n     *\n     * @param {number} freq How ofter to poll the server.\n     * @param {number} timeout The time to wait for each request to the server.\n     * @param {string} message The message to display if the session is going to time out.\n     */\n    var keepalive = function(freq, timeout, message) {\n        // We only allow one concurrent instance of this checker.\n        if (started) {\n            return;\n        }\n        started = true;\n\n        keepAliveFrequency = freq * 1000;\n        keepAliveMessage = message;\n        requestTimeout = timeout * 1000;\n        start();\n    };\n\n    return {\n        keepalive: keepalive,\n        init: init\n    };\n});\n"],"file":"network.min.js"}
\ No newline at end of file
+{"version":3,"file":"network.min.js","sources":["../src/network.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Poll the server to keep the session alive.\n *\n * @module     core/network\n * @package    core\n * @copyright  2019 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/config', 'core/notification', 'core/str'],\n        function($, Ajax, Config, Notification, Str) {\n\n    var started = false;\n    var warningDisplayed = false;\n    var keepAliveFrequency = 0;\n    var requestTimeout = 0;\n    var keepAliveMessage = false;\n    var sessionTimeout = false;\n    // 1/10 of session timeout, max of 10 minutes.\n    var checkFrequency = Math.min((Config.sessiontimeout / 10), 600) * 1000;\n    // 1/5 of sessiontimeout.\n    var warningLimit = checkFrequency * 2;\n\n    /**\n     * The session time has expired - we can't extend it now.\n     */\n    var timeoutSessionExpired = function() {\n        sessionTimeout = true;\n    };\n\n    /**\n     * Ping the server to keep the session alive.\n     *\n     * @return {Promise}\n     */\n    var touchSession = function() {\n        var request = {\n            methodname: 'core_session_touch',\n            args: { }\n        };\n\n        if (sessionTimeout) {\n            // We timed out before we extended the session.\n            return Str.get_strings([\n                {key: 'sessionexpired', component: 'error'},\n                {key: 'sessionerroruser', component: 'error'}\n            ]).then(function(strings) {\n                Notification.alert(\n                    strings[0], // Title.\n                    strings[1] // Message.\n                );\n                return true;\n            }).fail(Notification.exception);\n        } else {\n            return Ajax.call([request], true, true, false, requestTimeout)[0].then(function() {\n                if (keepAliveFrequency > 0) {\n                    setTimeout(touchSession, keepAliveFrequency);\n                }\n                return true;\n            }).fail(function() {\n                Notification.alert('', keepAliveMessage);\n            });\n        }\n    };\n\n    /**\n     * Ask the server how much time is remaining in this session and\n     * show confirm/cancel notifications if the session is about to run out.\n     *\n     * @return {Promise}\n     */\n    var checkSession = function() {\n        var request = {\n            methodname: 'core_session_time_remaining',\n            args: { }\n        };\n\n        sessionTimeout = false;\n        return Ajax.call([request], true, true, true)[0].then(function(args) {\n            if (args.userid <= 0) {\n                return false;\n            }\n            if (args.timeremaining < 0) {\n                Str.get_strings([\n                    {key: 'sessionexpired', component: 'error'},\n                    {key: 'sessionerroruser', component: 'error'}\n                ]).then(function(strings) {\n                    Notification.alert(\n                        strings[0], // Title.\n                        strings[1] // Message.\n                    );\n                    return true;\n                }).fail(Notification.exception);\n\n            } else if (args.timeremaining * 1000 < warningLimit && !warningDisplayed) {\n                // If we don't extend the session before the timeout - warn.\n                setTimeout(timeoutSessionExpired, args.timeremaining * 1000);\n                warningDisplayed = true;\n                Str.get_strings([\n                    {key: 'norecentactivity', component: 'moodle'},\n                    {key: 'sessiontimeoutsoon', component: 'moodle'},\n                    {key: 'extendsession', component: 'moodle'},\n                    {key: 'cancel', component: 'moodle'}\n                ]).then(function(strings) {\n                    Notification.confirm(\n                        strings[0], // Title.\n                        strings[1], // Message.\n                        strings[2], // Extend session.\n                        strings[3], // Cancel.\n                        function() {\n                            touchSession();\n                            warningDisplayed = false;\n                            // First wait is half the session timeout.\n                            setTimeout(checkSession, checkFrequency * 5);\n                            return true;\n                        },\n                        function() {\n                            warningDisplayed = false;\n                            setTimeout(checkSession, checkFrequency);\n                        }\n                    );\n                    return true;\n                }).fail(Notification.exception);\n            } else {\n                setTimeout(checkSession, checkFrequency);\n            }\n            return true;\n        });\n        // We do not catch the fails from the above ajax call because they will fail when\n        // we are not logged in - we don't need to take any action then.\n    };\n\n    /**\n     * Start calling a function to check if the session is still alive.\n     */\n    var start = function() {\n        if (keepAliveFrequency > 0) {\n            setTimeout(touchSession, keepAliveFrequency);\n        } else {\n            // First wait is half the session timeout.\n            setTimeout(checkSession, checkFrequency * 5);\n        }\n    };\n\n    /**\n     * Don't allow more than one of these polling loops in a single page.\n     */\n    var init = function() {\n        // We only allow one concurrent instance of this checker.\n        if (started) {\n            return;\n        }\n        started = true;\n\n        start();\n    };\n\n    /**\n     * Start polling with more specific values for the frequency, timeout and message.\n     *\n     * @param {number} freq How ofter to poll the server.\n     * @param {number} timeout The time to wait for each request to the server.\n     * @param {string} message The message to display if the session is going to time out.\n     */\n    var keepalive = function(freq, timeout, message) {\n        // We only allow one concurrent instance of this checker.\n        if (started) {\n            return;\n        }\n        started = true;\n\n        keepAliveFrequency = freq * 1000;\n        keepAliveMessage = message;\n        requestTimeout = timeout * 1000;\n        start();\n    };\n\n    return {\n        keepalive: keepalive,\n        init: init\n    };\n});\n"],"names":["define","$","Ajax","Config","Notification","Str","started","warningDisplayed","keepAliveFrequency","requestTimeout","keepAliveMessage","sessionTimeout","checkFrequency","Math","min","sessiontimeout","warningLimit","timeoutSessionExpired","touchSession","get_strings","key","component","then","strings","alert","fail","exception","call","methodname","args","setTimeout","checkSession","userid","timeremaining","confirm","start","keepalive","freq","timeout","message","init"],"mappings":";;;;;;;;AAuBAA,sBAAO,CAAC,SAAU,YAAa,cAAe,oBAAqB,aAC3D,SAASC,EAAGC,KAAMC,OAAQC,aAAcC,SAExCC,SAAU,EACVC,kBAAmB,EACnBC,mBAAqB,EACrBC,eAAiB,EACjBC,kBAAmB,EACnBC,gBAAiB,EAEjBC,eAA+D,IAA9CC,KAAKC,IAAKX,OAAOY,eAAiB,GAAK,KAExDC,aAAgC,EAAjBJ,eAKfK,sBAAwB,WACxBN,gBAAiB,GAQjBO,aAAe,SAAfA,sBAMIP,eAEON,IAAIc,YAAY,CACnB,CAACC,IAAK,iBAAkBC,UAAW,SACnC,CAACD,IAAK,mBAAoBC,UAAW,WACtCC,MAAK,SAASC,gBACbnB,aAAaoB,MACTD,QAAQ,GACRA,QAAQ,KAEL,KACRE,KAAKrB,aAAasB,WAEdxB,KAAKyB,KAAK,CAlBP,CACVC,WAAY,qBACZC,KAAM,MAgBsB,GAAM,GAAM,EAAOpB,gBAAgB,GAAGa,MAAK,kBAC/Dd,mBAAqB,GACrBsB,WAAWZ,aAAcV,qBAEtB,KACRiB,MAAK,WACJrB,aAAaoB,MAAM,GAAId,sBAW/BqB,aAAe,SAAfA,sBAMApB,gBAAiB,EACVT,KAAKyB,KAAK,CANH,CACVC,WAAY,8BACZC,KAAM,MAIkB,GAAM,GAAM,GAAM,GAAGP,MAAK,SAASO,cACvDA,KAAKG,QAAU,KAGfH,KAAKI,cAAgB,EACrB5B,IAAIc,YAAY,CACZ,CAACC,IAAK,iBAAkBC,UAAW,SACnC,CAACD,IAAK,mBAAoBC,UAAW,WACtCC,MAAK,SAASC,gBACbnB,aAAaoB,MACTD,QAAQ,GACRA,QAAQ,KAEL,KACRE,KAAKrB,aAAasB,WAEO,IAArBG,KAAKI,cAAuBjB,eAAiBT,kBAEpDuB,WAAWb,sBAA4C,IAArBY,KAAKI,eACvC1B,kBAAmB,EACnBF,IAAIc,YAAY,CACZ,CAACC,IAAK,mBAAoBC,UAAW,UACrC,CAACD,IAAK,qBAAsBC,UAAW,UACvC,CAACD,IAAK,gBAAiBC,UAAW,UAClC,CAACD,IAAK,SAAUC,UAAW,YAC5BC,MAAK,SAASC,gBACbnB,aAAa8B,QACTX,QAAQ,GACRA,QAAQ,GACRA,QAAQ,GACRA,QAAQ,IACR,kBACIL,eACAX,kBAAmB,EAEnBuB,WAAWC,aAA+B,EAAjBnB,iBAClB,KAEX,WACIL,kBAAmB,EACnBuB,WAAWC,aAAcnB,oBAG1B,KACRa,KAAKrB,aAAasB,YAErBI,WAAWC,aAAcnB,iBAEtB,OASXuB,MAAQ,WACJ3B,mBAAqB,EACrBsB,WAAWZ,aAAcV,oBAGzBsB,WAAWC,aAA+B,EAAjBnB,uBAqC1B,CACHwB,UAdY,SAASC,KAAMC,QAASC,SAEhCjC,UAGJA,SAAU,EAEVE,mBAA4B,IAAP6B,KACrB3B,iBAAmB6B,QACnB9B,eAA2B,IAAV6B,QACjBH,UAKAK,KAhCO,WAEHlC,UAGJA,SAAU,EAEV6B"}
\ No newline at end of file
diff --git a/lib/amd/build/notification.min.js b/lib/amd/build/notification.min.js
index f4d85acf786..44da552f9e8 100644
--- a/lib/amd/build/notification.min.js
+++ b/lib/amd/build/notification.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=notification.min.js.map
+define("core/notification",["exports","core/pending","core/log"],(function(_exports,_pending,_log){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.saveCancel=_exports.init=_exports.fetchNotifications=_exports.exception=_exports.default=_exports.confirm=_exports.alert=_exports.addNotification=void 0,_pending=_interopRequireDefault(_pending),_log=_interopRequireDefault(_log);var _systemImportTransformerGlobalIdentifier="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _slicedToArray(arr,i){return function(arr){if(Array.isArray(arr))return arr}(arr)||function(arr,i){var _i=null==arr?null:"undefined"!=typeof Symbol&&arr[Symbol.iterator]||arr["@@iterator"];if(null==_i)return;var 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_ref,currentContextId=M.cfg.contextid,notificationTypes={success:"core/notification_success",info:"core/notification_info",warning:"core/notification_warning",error:"core/notification_error"},Selectors={notificationRegion:"#".concat("user-notifications"),fallbackRegionParents:["#region-main",'[role="main"]',"body"]},fetchNotifications=(_ref=_asyncToGenerator(regeneratorRuntime.mark((function _callee(){var Ajax;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:return _context.next=2,"function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require(["core/ajax"],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof 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_pending.default("core/notification:addNotifications"),template=notificationTypes.error;return notification=function(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}({closebutton:!0,announce:!0,type:"error"},notification),notification.template?(template=notification.template,delete notification.template):notification.type&&(void 0!==notificationTypes[notification.type]&&(template=notificationTypes[notification.type]),delete notification.type),renderNotification(template,notification).then(pendingPromise.resolve)};_exports.addNotification=addNotification;var _ref2,_ref4,renderNotification=(_ref2=_asyncToGenerator(regeneratorRuntime.mark((function _callee2(template,variables){var pendingPromise,Templates;return regeneratorRuntime.wrap((function(_context2){for(;;)switch(_context2.prev=_context2.next){case 0:if(void 0!==variables.message&&variables.message){_context2.next=3;break}return _log.default.debug("Notification received without content. Skipping."),_context2.abrupt("return");case 3:return pendingPromise=new _pending.default("core/notification:renderNotification"),_context2.next=6,"function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require(["core/templates"],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require("core/templates")):Promise.resolve(_systemImportTransformerGlobalIdentifier["core/templates"]);case 6:(Templates=_context2.sent).renderForPromise(template,variables).then((function(_ref3){var html=_ref3.html,_ref3$js=_ref3.js,js=void 0===_ref3$js?"":_ref3$js;Templates.prependNodeContents(getNotificationRegion(),html,js)})).then(pendingPromise.resolve).catch(exception);case 8:case"end":return _context2.stop()}}),_callee2)}))),function(_x,_x2){return _ref2.apply(this,arguments)}),getNotificationRegion=function(){return document.querySelector(Selectors.notificationRegion)},alert=(_ref4=_asyncToGenerator(regeneratorRuntime.mark((function _callee3(title,message,cancelText){var pendingPromise,ModalFactory;return regeneratorRuntime.wrap((function(_context3){for(;;)switch(_context3.prev=_context3.next){case 0:return pendingPromise=new _pending.default("core/notification:alert"),_context3.next=3,"function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require(["core/modal_factory"],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require("core/modal_factory")):Promise.resolve(_systemImportTransformerGlobalIdentifier["core/modal_factory"]);case 3:return ModalFactory=_context3.sent,_context3.abrupt("return",ModalFactory.create({type:ModalFactory.types.ALERT,body:message,title:title,buttons:{cancel:cancelText},removeOnClose:!0}).then((function(modal){return modal.show(),pendingPromise.resolve(),modal})));case 5:case"end":return _context3.stop()}}),_callee3)}))),function(_x3,_x4,_x5){return _ref4.apply(this,arguments)});_exports.alert=alert;var confirm=function(title,question,saveLabel,noLabel,saveCallback,cancelCallback){return saveCancel(title,question,saveLabel,saveCallback,cancelCallback)};_exports.confirm=confirm;var _ref5,saveCancel=(_ref5=_asyncToGenerator(regeneratorRuntime.mark((function _callee4(title,question,saveLabel,saveCallback,cancelCallback){var pendingPromise,_yield$Promise$all,_yield$Promise$all2,ModalFactory,ModalEvents;return regeneratorRuntime.wrap((function(_context4){for(;;)switch(_context4.prev=_context4.next){case 0:return pendingPromise=new _pending.default("core/notification:confirm"),_context4.next=3,Promise.all(["function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require(["core/modal_factory"],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require("core/modal_factory")):Promise.resolve(_systemImportTransformerGlobalIdentifier["core/modal_factory"]),"function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require(["core/modal_events"],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require("core/modal_events")):Promise.resolve(_systemImportTransformerGlobalIdentifier["core/modal_events"])]);case 3:return _yield$Promise$all=_context4.sent,_yield$Promise$all2=_slicedToArray(_yield$Promise$all,2),ModalFactory=_yield$Promise$all2[0],ModalEvents=_yield$Promise$all2[1],_context4.abrupt("return",ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,title:title,body:question,buttons:{save:saveLabel},removeOnClose:!0}).then((function(modal){return modal.show(),modal.getRoot().on(ModalEvents.save,saveCallback),modal.getRoot().on(ModalEvents.cancel,cancelCallback),pendingPromise.resolve(),modal})));case 8:case"end":return _context4.stop()}}),_callee4)}))),function(_x6,_x7,_x8,_x9,_x10){return _ref5.apply(this,arguments)});_exports.saveCancel=saveCancel;var _ref6,exception=(_ref6=_asyncToGenerator(regeneratorRuntime.mark((function _callee5(ex){var pendingPromise,ln,fn;return regeneratorRuntime.wrap((function(_context5){for(;;)switch(_context5.prev=_context5.next){case 0:return pendingPromise=new _pending.default("core/notification:displayException"),ex.stack||(ex.stack=""),ex.debuginfo&&(ex.stack+=ex.debuginfo+"\n"),!ex.backtrace&&ex.stacktrace&&(ex.backtrace=ex.stacktrace),ex.backtrace&&(ex.stack+=ex.backtrace,ln=ex.backtrace.match(/line ([^ ]*) of/),fn=ex.backtrace.match(/ of ([^:]*): /),ln&&ln[1]&&(ex.lineNumber=ln[1]),fn&&fn[1]&&(ex.fileName=fn[1],ex.fileName.length>30&&(ex.fileName="..."+ex.fileName.substr(ex.fileName.length-27)))),void 0===ex.name&&ex.errorcode&&(ex.name=ex.errorcode),_context5.next=8,"function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require(["core/yui"],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require("core/yui")):Promise.resolve(_systemImportTransformerGlobalIdentifier["core/yui"]);case 8:_context5.sent.use("moodle-core-notification-exception",(function(){new M.core.exception(ex).show(),pendingPromise.resolve()}));case 10:case"end":return _context5.stop()}}),_callee5)}))),function(_x11){return _ref6.apply(this,arguments)});_exports.exception=exception;var init=function(contextId,notificationList,userLoggedIn){currentContextId=contextId,function(){if(getNotificationRegion())return!1;var newRegion=document.createElement("span");newRegion.id="user-notifications",Selectors.fallbackRegionParents.some((function(selector){var targetRegion=document.querySelector(selector);return!!targetRegion&&(targetRegion.prepend(newRegion),!0)}))}(),addNotifications(notificationList),userLoggedIn&&fetchNotifications()};_exports.init=init;var _default={init:init,fetchNotifications:fetchNotifications,addNotification:addNotification,alert:alert,confirm:confirm,saveCancel:saveCancel,exception:exception};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=notification.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/notification.min.js.map b/lib/amd/build/notification.min.js.map
index 4bbe59e00d8..591280b3a08 100644
--- a/lib/amd/build/notification.min.js.map
+++ b/lib/amd/build/notification.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\nimport Pending from 'core/pending';\nimport Log from 'core/log';\n\nlet currentContextId = M.cfg.contextid;\n\nconst notificationTypes = {\n    success:  'core/notification_success',\n    info:     'core/notification_info',\n    warning:  'core/notification_warning',\n    error:    'core/notification_error',\n};\n\nconst notificationRegionId = 'user-notifications';\n\nconst Selectors = {\n    notificationRegion: `#${notificationRegionId}`,\n    fallbackRegionParents: [\n        '#region-main',\n        '[role=\"main\"]',\n        'body',\n    ],\n};\n\nconst setupTargetRegion = () => {\n    let targetRegion = getNotificationRegion();\n    if (targetRegion) {\n        return false;\n    }\n\n    const newRegion = document.createElement('span');\n    newRegion.id = notificationRegionId;\n\n    return Selectors.fallbackRegionParents.some(selector => {\n        const targetRegion = document.querySelector(selector);\n\n        if (targetRegion) {\n            targetRegion.prepend(newRegion);\n            return true;\n        }\n\n        return false;\n    });\n};\n\n\n/**\n * Poll the server for any new notifications.\n *\n * @returns {Promise}\n */\nexport const fetchNotifications = async() => {\n    const Ajax = await import('core/ajax');\n\n    return Ajax.call([{\n        methodname: 'core_fetch_notifications',\n        args: {\n            contextid: currentContextId\n        }\n    }])[0]\n    .then(addNotifications);\n};\n\n/**\n * Add all of the supplied notifications.\n *\n * @param {Array} notifications The list of notificaitons\n * @returns {Promise}\n */\nconst addNotifications = notifications => {\n    if (!notifications.length) {\n        return Promise.resolve();\n    }\n\n    const pendingPromise = new Pending('core/notification:addNotifications');\n    notifications.forEach(notification => renderNotification(notification.template, notification.variables));\n\n    return pendingPromise.resolve();\n};\n\n/**\n * Add a notification to the page.\n *\n * Note: This does not cause the notification to be added to the session.\n *\n * @param {Object}  notification                The notification to add.\n * @param {string}  notification.message        The body of the notification\n * @param {string}  notification.type           The type of notification to add (error, warning, info, success).\n * @param {Boolean} notification.closebutton    Whether to show the close button.\n * @param {Boolean} notification.announce       Whether to announce to screen readers.\n * @returns {Promise}\n */\nexport const addNotification = notification => {\n    const pendingPromise = new Pending('core/notification:addNotifications');\n\n    let template = notificationTypes.error;\n\n    notification = {\n        closebutton:    true,\n        announce:       true,\n        type:           'error',\n        ...notification,\n    };\n\n    if (notification.template) {\n        template = notification.template;\n        delete notification.template;\n    } else if (notification.type) {\n        if (typeof notificationTypes[notification.type] !== 'undefined') {\n            template = notificationTypes[notification.type];\n        }\n        delete notification.type;\n    }\n\n    return renderNotification(template, notification)\n    .then(pendingPromise.resolve);\n};\n\nconst renderNotification = async(template, variables) => {\n    if (typeof variables.message === 'undefined' || !variables.message) {\n        Log.debug('Notification received without content. Skipping.');\n        return;\n    }\n\n    const pendingPromise = new Pending('core/notification:renderNotification');\n    const Templates = await import('core/templates');\n\n    Templates.renderForPromise(template, variables)\n    .then(({html, js = ''}) => {\n        Templates.prependNodeContents(getNotificationRegion(), html, js);\n\n        return;\n    })\n    .then(pendingPromise.resolve)\n    .catch(exception);\n};\n\nconst getNotificationRegion = () => document.querySelector(Selectors.notificationRegion);\n\n/**\n * Alert dialogue.\n *\n * @param {String|Promise} title\n * @param {String|Promise} message\n * @param {String|Promise} cancelText\n * @returns {Promise}\n */\nexport const alert = async(title, message, cancelText) => {\n    var pendingPromise = new Pending('core/notification:alert');\n\n    const ModalFactory = await import('core/modal_factory');\n\n    return ModalFactory.create({\n        type: ModalFactory.types.ALERT,\n        body: message,\n        title: title,\n        buttons: {\n            cancel: cancelText,\n        },\n        removeOnClose: true,\n    })\n    .then(function(modal) {\n        modal.show();\n\n        pendingPromise.resolve();\n        return modal;\n    });\n};\n\n/**\n * The confirm has now been replaced with a save and cancel dialogue.\n *\n * @param {String|Promise} title\n * @param {String|Promise} question\n * @param {String|Promise} saveLabel\n * @param {String|Promise} noLabel\n * @param {String|Promise} saveCallback\n * @param {String|Promise} cancelCallback\n * @returns {Promise}\n */\nexport const confirm = (title, question, saveLabel, noLabel, saveCallback, cancelCallback) =>\n        saveCancel(title, question, saveLabel, saveCallback, cancelCallback);\n\n/**\n * The Save and Cancel dialogue helper.\n *\n * @param {String|Promise} title\n * @param {String|Promise} question\n * @param {String|Promise} saveLabel\n * @param {String|Promise} saveCallback\n * @param {String|Promise} cancelCallback\n * @returns {Promise}\n */\nexport const saveCancel = async(title, question, saveLabel, saveCallback, cancelCallback) => {\n    const pendingPromise = new Pending('core/notification:confirm');\n\n    const [\n        ModalFactory,\n        ModalEvents,\n    ] = await Promise.all([\n        import('core/modal_factory'),\n        import('core/modal_events'),\n    ]);\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        title: title,\n        body: question,\n        buttons: {\n            // Note: The noLabel is no longer supported.\n            save: saveLabel,\n        },\n        removeOnClose: true,\n    })\n    .then(function(modal) {\n        modal.show();\n\n        modal.getRoot().on(ModalEvents.save, saveCallback);\n        modal.getRoot().on(ModalEvents.cancel, cancelCallback);\n        pendingPromise.resolve();\n\n        return modal;\n    });\n};\n\n/**\n * Wrap M.core.exception.\n *\n * @param {Error} ex\n */\nexport const exception = async ex => {\n    const pendingPromise = new Pending('core/notification:displayException');\n\n    // Fudge some parameters.\n    if (!ex.stack) {\n        ex.stack = '';\n    }\n\n    if (ex.debuginfo) {\n        ex.stack += ex.debuginfo + '\\n';\n    }\n\n    if (!ex.backtrace && ex.stacktrace) {\n        ex.backtrace = ex.stacktrace;\n    }\n\n    if (ex.backtrace) {\n        ex.stack += ex.backtrace;\n        const ln = ex.backtrace.match(/line ([^ ]*) of/);\n        const fn = ex.backtrace.match(/ of ([^:]*): /);\n        if (ln && ln[1]) {\n            ex.lineNumber = ln[1];\n        }\n        if (fn && fn[1]) {\n            ex.fileName = fn[1];\n            if (ex.fileName.length > 30) {\n                ex.fileName = '...' + ex.fileName.substr(ex.fileName.length - 27);\n            }\n        }\n    }\n\n    if (typeof ex.name === 'undefined' && ex.errorcode) {\n        ex.name = ex.errorcode;\n    }\n\n    const Y = await import('core/yui');\n    Y.use('moodle-core-notification-exception', function() {\n        var modal = new M.core.exception(ex);\n\n        modal.show();\n\n        pendingPromise.resolve();\n    });\n};\n\n/**\n * Initialise the page for the suppled context, and displaying the supplied notifications.\n *\n * @param {Number} contextId\n * @param {Array} notificationList\n * @param {Boolean} userLoggedIn\n */\nexport const init = (contextId, notificationList, userLoggedIn) => {\n    currentContextId = contextId;\n\n    // Setup the message target region if it isn't setup already\n    setupTargetRegion();\n\n    // Add provided notifications.\n    addNotifications(notificationList);\n\n    // If the user is not logged in then we can not fetch anything for them.\n    if (userLoggedIn) {\n        // Perform an initial poll for any new notifications.\n        fetchNotifications();\n    }\n};\n\n// To maintain backwards compatability we export default here.\nexport default {\n    init,\n    fetchNotifications,\n    addNotification,\n    alert,\n    confirm,\n    saveCancel,\n    exception,\n};\n"],"file":"notification.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification.min.js","sources":["../src/notification.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\nimport Pending from 'core/pending';\nimport Log from 'core/log';\n\nlet currentContextId = M.cfg.contextid;\n\nconst notificationTypes = {\n    success:  'core/notification_success',\n    info:     'core/notification_info',\n    warning:  'core/notification_warning',\n    error:    'core/notification_error',\n};\n\nconst notificationRegionId = 'user-notifications';\n\nconst Selectors = {\n    notificationRegion: `#${notificationRegionId}`,\n    fallbackRegionParents: [\n        '#region-main',\n        '[role=\"main\"]',\n        'body',\n    ],\n};\n\nconst setupTargetRegion = () => {\n    let targetRegion = getNotificationRegion();\n    if (targetRegion) {\n        return false;\n    }\n\n    const newRegion = document.createElement('span');\n    newRegion.id = notificationRegionId;\n\n    return Selectors.fallbackRegionParents.some(selector => {\n        const targetRegion = document.querySelector(selector);\n\n        if (targetRegion) {\n            targetRegion.prepend(newRegion);\n            return true;\n        }\n\n        return false;\n    });\n};\n\n\n/**\n * Poll the server for any new notifications.\n *\n * @returns {Promise}\n */\nexport const fetchNotifications = async() => {\n    const Ajax = await import('core/ajax');\n\n    return Ajax.call([{\n        methodname: 'core_fetch_notifications',\n        args: {\n            contextid: currentContextId\n        }\n    }])[0]\n    .then(addNotifications);\n};\n\n/**\n * Add all of the supplied notifications.\n *\n * @param {Array} notifications The list of notificaitons\n * @returns {Promise}\n */\nconst addNotifications = notifications => {\n    if (!notifications.length) {\n        return Promise.resolve();\n    }\n\n    const pendingPromise = new Pending('core/notification:addNotifications');\n    notifications.forEach(notification => renderNotification(notification.template, notification.variables));\n\n    return pendingPromise.resolve();\n};\n\n/**\n * Add a notification to the page.\n *\n * Note: This does not cause the notification to be added to the session.\n *\n * @param {Object}  notification                The notification to add.\n * @param {string}  notification.message        The body of the notification\n * @param {string}  notification.type           The type of notification to add (error, warning, info, success).\n * @param {Boolean} notification.closebutton    Whether to show the close button.\n * @param {Boolean} notification.announce       Whether to announce to screen readers.\n * @returns {Promise}\n */\nexport const addNotification = notification => {\n    const pendingPromise = new Pending('core/notification:addNotifications');\n\n    let template = notificationTypes.error;\n\n    notification = {\n        closebutton:    true,\n        announce:       true,\n        type:           'error',\n        ...notification,\n    };\n\n    if (notification.template) {\n        template = notification.template;\n        delete notification.template;\n    } else if (notification.type) {\n        if (typeof notificationTypes[notification.type] !== 'undefined') {\n            template = notificationTypes[notification.type];\n        }\n        delete notification.type;\n    }\n\n    return renderNotification(template, notification)\n    .then(pendingPromise.resolve);\n};\n\nconst renderNotification = async(template, variables) => {\n    if (typeof variables.message === 'undefined' || !variables.message) {\n        Log.debug('Notification received without content. Skipping.');\n        return;\n    }\n\n    const pendingPromise = new Pending('core/notification:renderNotification');\n    const Templates = await import('core/templates');\n\n    Templates.renderForPromise(template, variables)\n    .then(({html, js = ''}) => {\n        Templates.prependNodeContents(getNotificationRegion(), html, js);\n\n        return;\n    })\n    .then(pendingPromise.resolve)\n    .catch(exception);\n};\n\nconst getNotificationRegion = () => document.querySelector(Selectors.notificationRegion);\n\n/**\n * Alert dialogue.\n *\n * @param {String|Promise} title\n * @param {String|Promise} message\n * @param {String|Promise} cancelText\n * @returns {Promise}\n */\nexport const alert = async(title, message, cancelText) => {\n    var pendingPromise = new Pending('core/notification:alert');\n\n    const ModalFactory = await import('core/modal_factory');\n\n    return ModalFactory.create({\n        type: ModalFactory.types.ALERT,\n        body: message,\n        title: title,\n        buttons: {\n            cancel: cancelText,\n        },\n        removeOnClose: true,\n    })\n    .then(function(modal) {\n        modal.show();\n\n        pendingPromise.resolve();\n        return modal;\n    });\n};\n\n/**\n * The confirm has now been replaced with a save and cancel dialogue.\n *\n * @param {String|Promise} title\n * @param {String|Promise} question\n * @param {String|Promise} saveLabel\n * @param {String|Promise} noLabel\n * @param {String|Promise} saveCallback\n * @param {String|Promise} cancelCallback\n * @returns {Promise}\n */\nexport const confirm = (title, question, saveLabel, noLabel, saveCallback, cancelCallback) =>\n        saveCancel(title, question, saveLabel, saveCallback, cancelCallback);\n\n/**\n * The Save and Cancel dialogue helper.\n *\n * @param {String|Promise} title\n * @param {String|Promise} question\n * @param {String|Promise} saveLabel\n * @param {String|Promise} saveCallback\n * @param {String|Promise} cancelCallback\n * @returns {Promise}\n */\nexport const saveCancel = async(title, question, saveLabel, saveCallback, cancelCallback) => {\n    const pendingPromise = new Pending('core/notification:confirm');\n\n    const [\n        ModalFactory,\n        ModalEvents,\n    ] = await Promise.all([\n        import('core/modal_factory'),\n        import('core/modal_events'),\n    ]);\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        title: title,\n        body: question,\n        buttons: {\n            // Note: The noLabel is no longer supported.\n            save: saveLabel,\n        },\n        removeOnClose: true,\n    })\n    .then(function(modal) {\n        modal.show();\n\n        modal.getRoot().on(ModalEvents.save, saveCallback);\n        modal.getRoot().on(ModalEvents.cancel, cancelCallback);\n        pendingPromise.resolve();\n\n        return modal;\n    });\n};\n\n/**\n * Wrap M.core.exception.\n *\n * @param {Error} ex\n */\nexport const exception = async ex => {\n    const pendingPromise = new Pending('core/notification:displayException');\n\n    // Fudge some parameters.\n    if (!ex.stack) {\n        ex.stack = '';\n    }\n\n    if (ex.debuginfo) {\n        ex.stack += ex.debuginfo + '\\n';\n    }\n\n    if (!ex.backtrace && ex.stacktrace) {\n        ex.backtrace = ex.stacktrace;\n    }\n\n    if (ex.backtrace) {\n        ex.stack += ex.backtrace;\n        const ln = ex.backtrace.match(/line ([^ ]*) of/);\n        const fn = ex.backtrace.match(/ of ([^:]*): /);\n        if (ln && ln[1]) {\n            ex.lineNumber = ln[1];\n        }\n        if (fn && fn[1]) {\n            ex.fileName = fn[1];\n            if (ex.fileName.length > 30) {\n                ex.fileName = '...' + ex.fileName.substr(ex.fileName.length - 27);\n            }\n        }\n    }\n\n    if (typeof ex.name === 'undefined' && ex.errorcode) {\n        ex.name = ex.errorcode;\n    }\n\n    const Y = await import('core/yui');\n    Y.use('moodle-core-notification-exception', function() {\n        var modal = new M.core.exception(ex);\n\n        modal.show();\n\n        pendingPromise.resolve();\n    });\n};\n\n/**\n * Initialise the page for the suppled context, and displaying the supplied notifications.\n *\n * @param {Number} contextId\n * @param {Array} notificationList\n * @param {Boolean} userLoggedIn\n */\nexport const init = (contextId, notificationList, userLoggedIn) => {\n    currentContextId = contextId;\n\n    // Setup the message target region if it isn't setup already\n    setupTargetRegion();\n\n    // Add provided notifications.\n    addNotifications(notificationList);\n\n    // If the user is not logged in then we can not fetch anything for them.\n    if (userLoggedIn) {\n        // Perform an initial poll for any new notifications.\n        fetchNotifications();\n    }\n};\n\n// To maintain backwards compatability we export default here.\nexport default {\n    init,\n    fetchNotifications,\n    addNotification,\n    alert,\n    confirm,\n    saveCancel,\n    exception,\n};\n"],"names":["currentContextId","M","cfg","contextid","notificationTypes","success","info","warning","error","Selectors","notificationRegion","fallbackRegionParents","fetchNotifications","Ajax","call","methodname","args","then","addNotifications","notifications","length","Promise","resolve","pendingPromise","Pending","forEach","notification","renderNotification","template","variables","addNotification","closebutton","announce","type","message","debug","Templates","renderForPromise","html","js","prependNodeContents","getNotificationRegion","catch","exception","document","querySelector","alert","title","cancelText","ModalFactory","create","types","ALERT","body","buttons","cancel","removeOnClose","modal","show","confirm","question","saveLabel","noLabel","saveCallback","cancelCallback","saveCancel","all","ModalEvents","SAVE_CANCEL","save","getRoot","on","ex","stack","debuginfo","backtrace","stacktrace","ln","match","fn","lineNumber","fileName","substr","name","errorcode","use","core","init","contextId","notificationList","userLoggedIn","newRegion","createElement","id","some","selector","targetRegion","prepend","setupTargetRegion"],"mappings":"yvFAkBIA,iBAAmBC,EAAEC,IAAIC,UAEvBC,kBAAoB,CACtBC,QAAU,4BACVC,KAAU,yBACVC,QAAU,4BACVC,MAAU,2BAKRC,UAAY,CACdC,8BAHyB,sBAIzBC,sBAAuB,CACnB,eACA,gBACA,SA+BKC,oEAAqB,kvBACxBC,4CAECA,KAAKC,KAAK,CAAC,CACdC,WAAY,2BACZC,KAAM,CACFb,UAAWH,qBAEf,GACHiB,KAAKC,6KASJA,iBAAmB,SAAAC,mBAChBA,cAAcC,cACRC,QAAQC,cAGbC,eAAiB,IAAIC,iBAAQ,6CACnCL,cAAcM,SAAQ,SAAAC,qBAAgBC,mBAAmBD,aAAaE,SAAUF,aAAaG,cAEtFN,eAAeD,WAebQ,gBAAkB,SAAAJ,kBACrBH,eAAiB,IAAIC,iBAAQ,sCAE/BI,SAAWxB,kBAAkBI,aAEjCkB,2cACIK,aAAgB,EAChBC,UAAgB,EAChBC,KAAgB,SACbP,cAGHA,aAAaE,UACbA,SAAWF,aAAaE,gBACjBF,aAAaE,UACbF,aAAaO,YACgC,IAAzC7B,kBAAkBsB,aAAaO,QACtCL,SAAWxB,kBAAkBsB,aAAaO,cAEvCP,aAAaO,MAGjBN,mBAAmBC,SAAUF,cACnCT,KAAKM,eAAeD,mEAGnBK,qEAAqB,kBAAMC,SAAUC,wJACN,IAAtBA,UAAUK,SAA4BL,UAAUK,oDACnDC,MAAM,6FAIRZ,eAAiB,IAAIC,iBAAQ,4pBAC7BY,0BAEIC,iBAAiBT,SAAUC,WACpCZ,MAAK,oBAAEqB,WAAAA,oBAAMC,GAAAA,qBAAK,YACfH,UAAUI,oBAAoBC,wBAAyBH,KAAMC,OAIhEtB,KAAKM,eAAeD,SACpBoB,MAAMC,2HAGLF,sBAAwB,kBAAMG,SAASC,cAAcpC,UAAUC,qBAUxDoC,wDAAQ,kBAAMC,MAAOb,QAASc,2JACnCzB,eAAiB,IAAIC,iBAAQ,iqBAE3ByB,sDAECA,aAAaC,OAAO,CACvBjB,KAAMgB,aAAaE,MAAMC,MACzBC,KAAMnB,QACNa,MAAOA,MACPO,QAAS,CACLC,OAAQP,YAEZQ,eAAe,IAElBvC,MAAK,SAASwC,cACXA,MAAMC,OAENnC,eAAeD,UACRmC,wJAeFE,QAAU,SAACZ,MAAOa,SAAUC,UAAWC,QAASC,aAAcC,uBACnEC,WAAWlB,MAAOa,SAAUC,UAAWE,aAAcC,oDAYhDC,6DAAa,kBAAMlB,MAAOa,SAAUC,UAAWE,aAAcC,kNAChEzC,eAAiB,IAAIC,iBAAQ,8CAKzBH,QAAQ6C,IAAI,uzCAFlBjB,oCACAkB,6DAMGlB,aAAaC,OAAO,CACvBjB,KAAMgB,aAAaE,MAAMiB,YACzBrB,MAAOA,MACPM,KAAMO,SACNN,QAAS,CAELe,KAAMR,WAEVL,eAAe,IAElBvC,MAAK,SAASwC,cACXA,MAAMC,OAEND,MAAMa,UAAUC,GAAGJ,YAAYE,KAAMN,cACrCN,MAAMa,UAAUC,GAAGJ,YAAYZ,OAAQS,gBACvCzC,eAAeD,UAERmC,iLASFd,4DAAY,kBAAM6B,4IACrBjD,eAAiB,IAAIC,iBAAQ,sCAG9BgD,GAAGC,QACJD,GAAGC,MAAQ,IAGXD,GAAGE,YACHF,GAAGC,OAASD,GAAGE,UAAY,OAG1BF,GAAGG,WAAaH,GAAGI,aACpBJ,GAAGG,UAAYH,GAAGI,YAGlBJ,GAAGG,YACHH,GAAGC,OAASD,GAAGG,UACTE,GAAKL,GAAGG,UAAUG,MAAM,mBACxBC,GAAKP,GAAGG,UAAUG,MAAM,iBAC1BD,IAAMA,GAAG,KACTL,GAAGQ,WAAaH,GAAG,IAEnBE,IAAMA,GAAG,KACTP,GAAGS,SAAWF,GAAG,GACbP,GAAGS,SAAS7D,OAAS,KACrBoD,GAAGS,SAAW,MAAQT,GAAGS,SAASC,OAAOV,GAAGS,SAAS7D,OAAS,YAKnD,IAAZoD,GAAGW,MAAwBX,GAAGY,YACrCZ,GAAGW,KAAOX,GAAGY,2nBAIfC,IAAI,sCAAsC,WAC5B,IAAIpF,EAAEqF,KAAK3C,UAAU6B,IAE3Bd,OAENnC,eAAeD,6JAWViE,KAAO,SAACC,UAAWC,iBAAkBC,cAC9C1F,iBAAmBwF,UAnQG,cACH/C,+BAER,MAGLkD,UAAY/C,SAASgD,cAAc,QACzCD,UAAUE,GAlBe,qBAoBlBpF,UAAUE,sBAAsBmF,MAAK,SAAAC,cAClCC,aAAepD,SAASC,cAAckD,kBAExCC,eACAA,aAAaC,QAAQN,YACd,MAwPfO,GAGAhF,iBAAiBuE,kBAGbC,cAEA9E,sDAKO,CACX2E,KAAAA,KACA3E,mBAAAA,mBACAkB,gBAAAA,gBACAgB,MAAAA,MACAa,QAAAA,QACAM,WAAAA,WACAtB,UAAAA"}
\ No newline at end of file
diff --git a/lib/amd/build/page_global.min.js b/lib/amd/build/page_global.min.js
index 487689b1cd2..a512592be40 100644
--- a/lib/amd/build/page_global.min.js
+++ b/lib/amd/build/page_global.min.js
@@ -1,2 +1,11 @@
-define ("core/page_global",["jquery","core/custom_interaction_events","core/str","core/network"],function(a,b,c,d){var e=function(){var d=a("body");b.define(d,[b.events.activate]);d.on(b.events.activate,"[data-show-active-item]",function(b){var d=a(b.target).closest(".dropdown-item"),e=d.closest("[data-show-active-item]");if(!d.hasClass("dropdown-item")){return}if(d.hasClass("active")){return}var f=e.find(".dropdown-item");f.removeClass("active");f.removeAttr("aria-current");if(!e.attr("data-skip-active-class")){d.addClass("active")}d.attr("aria-current",!0);var g=d.text(),h=e.parent().find("[data-toggle=\"dropdown\"]"),i=h.find("[data-active-item-text]");if(i.length){i.html(g)}else{h.html(g)}var j=e.attr("data-active-item-button-aria-label-components");if(j){var k=j.split(",");k.push(g);c.get_string(k[0].trim(),k[1].trim(),k[2].trim()).then(function(a){h.attr("aria-label",a);return a}).catch(function(){return!1})}})};return{init:function init(){e();d.init()}}});
-//# sourceMappingURL=page_global.min.js.map
+/**
+ * Provide global helper code to enhance page elements.
+ *
+ * @module     core/page_global
+ * @package    core
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/page_global",["jquery","core/custom_interaction_events","core/str","core/network"],(function($,CustomEvents,Str,Network){return{init:function(){var body;body=$("body"),CustomEvents.define(body,[CustomEvents.events.activate]),body.on(CustomEvents.events.activate,"[data-show-active-item]",(function(e){var option=$(e.target).closest(".dropdown-item"),menuContainer=option.closest("[data-show-active-item]");if(option.hasClass("dropdown-item")&&!option.hasClass("active")){var dropdownItems=menuContainer.find(".dropdown-item");dropdownItems.removeClass("active"),dropdownItems.removeAttr("aria-current"),menuContainer.attr("data-skip-active-class")||option.addClass("active"),option.attr("aria-current",!0);var activeOptionText=option.text(),dropdownToggle=menuContainer.parent().find('[data-toggle="dropdown"]'),dropdownToggleText=dropdownToggle.find("[data-active-item-text]");dropdownToggleText.length?dropdownToggleText.html(activeOptionText):dropdownToggle.html(activeOptionText);var activeItemAriaLabelComponent=menuContainer.attr("data-active-item-button-aria-label-components");if(activeItemAriaLabelComponent){var strParams=activeItemAriaLabelComponent.split(",");strParams.push(activeOptionText),Str.get_string(strParams[0].trim(),strParams[1].trim(),strParams[2].trim()).then((function(string){return dropdownToggle.attr("aria-label",string),string})).catch((function(){return!1}))}}})),Network.init()}}}));
+
+//# sourceMappingURL=page_global.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/page_global.min.js.map b/lib/amd/build/page_global.min.js.map
index c0de91c1a05..8b2dd64e855 100644
--- a/lib/amd/build/page_global.min.js.map
+++ b/lib/amd/build/page_global.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provide global helper code to enhance page elements.\n *\n * @module     core/page_global\n * @package    core\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/str',\n    'core/network'\n],\nfunction(\n    $,\n    CustomEvents,\n    Str,\n    Network\n) {\n\n    /**\n     * Add an event handler for dropdown menus that wish to show their active item\n     * in the dropdown toggle element.\n     *\n     * By default the handler will add the \"active\" class to the selected dropdown\n     * item and set it's text as the HTML for the dropdown toggle.\n     *\n     * The behaviour of this handler is controlled by adding data attributes to\n     * the HTML and requires the typically Bootstrap dropdown markup.\n     *\n     * data-show-active-item - Add to the .dropdown-menu element to enable default\n     *                         functionality.\n     * data-skip-active-class - Add to the .dropdown-menu to prevent this code from\n     *                          adding the active class to the dropdown items\n     * data-active-item-text - Add to an element within the data-toggle=\"dropdown\" element\n     *                         to use it as the active option text placeholder otherwise the\n     *                         data-toggle=\"dropdown\" element itself will be used.\n     * data-active-item-button-aria-label-components - String components to set the aria\n     *                         lable on the dropdown button. The string will be given the\n     *                         active item text.\n     */\n    var initActionOptionDropdownHandler = function() {\n        var body = $('body');\n\n        CustomEvents.define(body, [CustomEvents.events.activate]);\n        body.on(CustomEvents.events.activate, '[data-show-active-item]', function(e) {\n            // The dropdown item that the user clicked on.\n            var option = $(e.target).closest('.dropdown-item');\n            // The dropdown menu element.\n            var menuContainer = option.closest('[data-show-active-item]');\n\n            if (!option.hasClass('dropdown-item')) {\n                // Ignore non Bootstrap dropdowns.\n                return;\n            }\n\n            if (option.hasClass('active')) {\n                // If it's already active then we don't need to do anything.\n                return;\n            }\n\n            // Clear the active class from all other options.\n            var dropdownItems = menuContainer.find('.dropdown-item');\n            dropdownItems.removeClass('active');\n            dropdownItems.removeAttr('aria-current');\n\n            if (!menuContainer.attr('data-skip-active-class')) {\n                // Make this option active unless configured to ignore it.\n                // Some code, for example the Bootstrap tabs, may want to handle\n                // adding the active class itself.\n                option.addClass('active');\n            }\n\n            // Update aria attribute for active item.\n            option.attr('aria-current', true);\n\n            var activeOptionText = option.text();\n            var dropdownToggle = menuContainer.parent().find('[data-toggle=\"dropdown\"]');\n            var dropdownToggleText = dropdownToggle.find('[data-active-item-text]');\n\n            if (dropdownToggleText.length) {\n                // We have a specific placeholder for the active item text so\n                // use that.\n                dropdownToggleText.html(activeOptionText);\n            } else {\n                // Otherwise just replace all of the toggle text with the active item.\n                dropdownToggle.html(activeOptionText);\n            }\n\n            var activeItemAriaLabelComponent = menuContainer.attr('data-active-item-button-aria-label-components');\n            if (activeItemAriaLabelComponent) {\n                // If we have string components for the aria label then load the string\n                // and set the label on the dropdown toggle.\n                var strParams = activeItemAriaLabelComponent.split(',');\n                strParams.push(activeOptionText);\n\n                Str.get_string(strParams[0].trim(), strParams[1].trim(), strParams[2].trim())\n                    .then(function(string) {\n                        dropdownToggle.attr('aria-label', string);\n                        return string;\n                    })\n                    .catch(function() {\n                        // Silently ignore that we couldn't load the string.\n                        return false;\n                    });\n            }\n        });\n    };\n\n    /**\n     * Initialise the global helper functions.\n     */\n    var init = function() {\n        initActionOptionDropdownHandler();\n        Network.init();\n    };\n\n    return {\n        init: init\n    };\n});\n"],"file":"page_global.min.js"}
\ No newline at end of file
+{"version":3,"file":"page_global.min.js","sources":["../src/page_global.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provide global helper code to enhance page elements.\n *\n * @module     core/page_global\n * @package    core\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/str',\n    'core/network'\n],\nfunction(\n    $,\n    CustomEvents,\n    Str,\n    Network\n) {\n\n    /**\n     * Add an event handler for dropdown menus that wish to show their active item\n     * in the dropdown toggle element.\n     *\n     * By default the handler will add the \"active\" class to the selected dropdown\n     * item and set it's text as the HTML for the dropdown toggle.\n     *\n     * The behaviour of this handler is controlled by adding data attributes to\n     * the HTML and requires the typically Bootstrap dropdown markup.\n     *\n     * data-show-active-item - Add to the .dropdown-menu element to enable default\n     *                         functionality.\n     * data-skip-active-class - Add to the .dropdown-menu to prevent this code from\n     *                          adding the active class to the dropdown items\n     * data-active-item-text - Add to an element within the data-toggle=\"dropdown\" element\n     *                         to use it as the active option text placeholder otherwise the\n     *                         data-toggle=\"dropdown\" element itself will be used.\n     * data-active-item-button-aria-label-components - String components to set the aria\n     *                         lable on the dropdown button. The string will be given the\n     *                         active item text.\n     */\n    var initActionOptionDropdownHandler = function() {\n        var body = $('body');\n\n        CustomEvents.define(body, [CustomEvents.events.activate]);\n        body.on(CustomEvents.events.activate, '[data-show-active-item]', function(e) {\n            // The dropdown item that the user clicked on.\n            var option = $(e.target).closest('.dropdown-item');\n            // The dropdown menu element.\n            var menuContainer = option.closest('[data-show-active-item]');\n\n            if (!option.hasClass('dropdown-item')) {\n                // Ignore non Bootstrap dropdowns.\n                return;\n            }\n\n            if (option.hasClass('active')) {\n                // If it's already active then we don't need to do anything.\n                return;\n            }\n\n            // Clear the active class from all other options.\n            var dropdownItems = menuContainer.find('.dropdown-item');\n            dropdownItems.removeClass('active');\n            dropdownItems.removeAttr('aria-current');\n\n            if (!menuContainer.attr('data-skip-active-class')) {\n                // Make this option active unless configured to ignore it.\n                // Some code, for example the Bootstrap tabs, may want to handle\n                // adding the active class itself.\n                option.addClass('active');\n            }\n\n            // Update aria attribute for active item.\n            option.attr('aria-current', true);\n\n            var activeOptionText = option.text();\n            var dropdownToggle = menuContainer.parent().find('[data-toggle=\"dropdown\"]');\n            var dropdownToggleText = dropdownToggle.find('[data-active-item-text]');\n\n            if (dropdownToggleText.length) {\n                // We have a specific placeholder for the active item text so\n                // use that.\n                dropdownToggleText.html(activeOptionText);\n            } else {\n                // Otherwise just replace all of the toggle text with the active item.\n                dropdownToggle.html(activeOptionText);\n            }\n\n            var activeItemAriaLabelComponent = menuContainer.attr('data-active-item-button-aria-label-components');\n            if (activeItemAriaLabelComponent) {\n                // If we have string components for the aria label then load the string\n                // and set the label on the dropdown toggle.\n                var strParams = activeItemAriaLabelComponent.split(',');\n                strParams.push(activeOptionText);\n\n                Str.get_string(strParams[0].trim(), strParams[1].trim(), strParams[2].trim())\n                    .then(function(string) {\n                        dropdownToggle.attr('aria-label', string);\n                        return string;\n                    })\n                    .catch(function() {\n                        // Silently ignore that we couldn't load the string.\n                        return false;\n                    });\n            }\n        });\n    };\n\n    /**\n     * Initialise the global helper functions.\n     */\n    var init = function() {\n        initActionOptionDropdownHandler();\n        Network.init();\n    };\n\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","CustomEvents","Str","Network","init","body","events","activate","on","e","option","target","closest","menuContainer","hasClass","dropdownItems","find","removeClass","removeAttr","attr","addClass","activeOptionText","text","dropdownToggle","parent","dropdownToggleText","length","html","activeItemAriaLabelComponent","strParams","split","push","get_string","trim","then","string","catch"],"mappings":";;;;;;;;AAuBAA,0BACA,CACI,SACA,iCACA,WACA,iBAEJ,SACIC,EACAC,aACAC,IACAC,eAoGO,CACHC,KANO,WAvE2B,IAC9BC,KAAAA,KAAOL,EAAE,QAEbC,aAAaF,OAAOM,KAAM,CAACJ,aAAaK,OAAOC,WAC/CF,KAAKG,GAAGP,aAAaK,OAAOC,SAAU,2BAA2B,SAASE,OAElEC,OAASV,EAAES,EAAEE,QAAQC,QAAQ,kBAE7BC,cAAgBH,OAAOE,QAAQ,8BAE9BF,OAAOI,SAAS,mBAKjBJ,OAAOI,SAAS,eAMhBC,cAAgBF,cAAcG,KAAK,kBACvCD,cAAcE,YAAY,UAC1BF,cAAcG,WAAW,gBAEpBL,cAAcM,KAAK,2BAIpBT,OAAOU,SAAS,UAIpBV,OAAOS,KAAK,gBAAgB,OAExBE,iBAAmBX,OAAOY,OAC1BC,eAAiBV,cAAcW,SAASR,KAAK,4BAC7CS,mBAAqBF,eAAeP,KAAK,2BAEzCS,mBAAmBC,OAGnBD,mBAAmBE,KAAKN,kBAGxBE,eAAeI,KAAKN,sBAGpBO,6BAA+Bf,cAAcM,KAAK,oDAClDS,6BAA8B,KAG1BC,UAAYD,6BAA6BE,MAAM,KACnDD,UAAUE,KAAKV,kBAEfnB,IAAI8B,WAAWH,UAAU,GAAGI,OAAQJ,UAAU,GAAGI,OAAQJ,UAAU,GAAGI,QACjEC,MAAK,SAASC,eACXZ,eAAeJ,KAAK,aAAcgB,QAC3BA,UAEVC,OAAM,kBAEI,UAWvBjC,QAAQC"}
\ No newline at end of file
diff --git a/lib/amd/build/paged_content.min.js b/lib/amd/build/paged_content.min.js
index fc333c2ab1e..8d89be1dbaa 100644
--- a/lib/amd/build/paged_content.min.js
+++ b/lib/amd/build/paged_content.min.js
@@ -1,2 +1,10 @@
-define ("core/paged_content",["jquery","core/paged_content_pages","core/paged_content_paging_bar","core/paged_content_paging_bar_limit_selector","core/paged_content_paging_dropdown"],function(a,b,c,d,e){return{init:function init(f,g,h){f=a(f);var i=f.find(b.rootSelector),j=f.find(c.rootSelector),k=f.find(e.rootSelector),l=f.find(d.rootSelector),m=f.attr("id");if(h){m=h}b.init(i,m,g);if(j.length){c.init(j,m)}if(l.length){d.init(l,m)}if(k.length){e.init(k,m)}},rootSelector:"[data-region=\"paged-content-container\"]"}});
-//# sourceMappingURL=paged_content.min.js.map
+/**
+ * Javascript to load and render a paged content section.
+ *
+ * @module     core/paged_content
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/paged_content",["jquery","core/paged_content_pages","core/paged_content_paging_bar","core/paged_content_paging_bar_limit_selector","core/paged_content_paging_dropdown"],(function($,Pages,PagingBar,PagingBarLimitSelector,Dropdown){return{init:function(root,renderPagesContentCallback,namespaceOverride){var pagesContainer=(root=$(root)).find(Pages.rootSelector),pagingBarContainer=root.find(PagingBar.rootSelector),dropdownContainer=root.find(Dropdown.rootSelector),pagingBarLimitSelectorContainer=root.find(PagingBarLimitSelector.rootSelector),id=root.attr("id");namespaceOverride&&(id=namespaceOverride),Pages.init(pagesContainer,id,renderPagesContentCallback),pagingBarContainer.length&&PagingBar.init(pagingBarContainer,id),pagingBarLimitSelectorContainer.length&&PagingBarLimitSelector.init(pagingBarLimitSelectorContainer,id),dropdownContainer.length&&Dropdown.init(dropdownContainer,id)},rootSelector:'[data-region="paged-content-container"]'}}));
+
+//# sourceMappingURL=paged_content.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/paged_content.min.js.map b/lib/amd/build/paged_content.min.js.map
index f68f2cc69b5..1bf18414df3 100644
--- a/lib/amd/build/paged_content.min.js.map
+++ b/lib/amd/build/paged_content.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/paged_content.js"],"names":["define","$","Pages","PagingBar","PagingBarLimitSelector","Dropdown","init","root","renderPagesContentCallback","namespaceOverride","pagesContainer","find","rootSelector","pagingBarContainer","dropdownContainer","pagingBarLimitSelectorContainer","id","attr","length"],"mappings":"AAsBAA,OAAM,sBACN,CACI,QADJ,CAEI,0BAFJ,CAGI,+BAHJ,CAII,8CAJJ,CAKI,oCALJ,CADM,CAQN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAME,CAyCE,MAAO,CACHC,IAAI,CA7BG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAeC,CAAf,CAA2CC,CAA3C,CAA8D,CACrEF,CAAI,CAAGN,CAAC,CAACM,CAAD,CAAR,CADqE,GAEjEG,CAAAA,CAAc,CAAGH,CAAI,CAACI,IAAL,CAAUT,CAAK,CAACU,YAAhB,CAFgD,CAGjEC,CAAkB,CAAGN,CAAI,CAACI,IAAL,CAAUR,CAAS,CAACS,YAApB,CAH4C,CAIjEE,CAAiB,CAAGP,CAAI,CAACI,IAAL,CAAUN,CAAQ,CAACO,YAAnB,CAJ6C,CAKjEG,CAA+B,CAAGR,CAAI,CAACI,IAAL,CAAUP,CAAsB,CAACQ,YAAjC,CAL+B,CAMjEI,CAAE,CAAGT,CAAI,CAACU,IAAL,CAAU,IAAV,CAN4D,CASrE,GAAIR,CAAJ,CAAuB,CACnBO,CAAE,CAAGP,CACR,CAEDP,CAAK,CAACI,IAAN,CAAWI,CAAX,CAA2BM,CAA3B,CAA+BR,CAA/B,EAEA,GAAIK,CAAkB,CAACK,MAAvB,CAA+B,CAC3Bf,CAAS,CAACG,IAAV,CAAeO,CAAf,CAAmCG,CAAnC,CACH,CAED,GAAID,CAA+B,CAACG,MAApC,CAA4C,CACxCd,CAAsB,CAACE,IAAvB,CAA4BS,CAA5B,CAA6DC,CAA7D,CACH,CAED,GAAIF,CAAiB,CAACI,MAAtB,CAA8B,CAC1Bb,CAAQ,CAACC,IAAT,CAAcQ,CAAd,CAAiCE,CAAjC,CACH,CACJ,CAEM,CAEHJ,YAAY,CAAE,2CAFX,CAIV,CA3DK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to load and render a paged content section.\n *\n * @module     core/paged_content\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/paged_content_pages',\n    'core/paged_content_paging_bar',\n    'core/paged_content_paging_bar_limit_selector',\n    'core/paged_content_paging_dropdown'\n],\nfunction(\n    $,\n    Pages,\n    PagingBar,\n    PagingBarLimitSelector,\n    Dropdown\n) {\n\n    /**\n     * Initialise the paged content region by running the pages\n     * module and initialising any paging controls in the DOM.\n     *\n     * @param {object} root The paged content container element\n     * @param {function} renderPagesContentCallback (optional) A callback function to render a\n     *                                              content page. See core/paged_content_pages for\n     *                                              more defails.\n     * @param {string} namespaceOverride (optional) Provide a unique namespace override. If none provided defaults\n     *                                      to generate html's id\n     */\n    var init = function(root, renderPagesContentCallback, namespaceOverride) {\n        root = $(root);\n        var pagesContainer = root.find(Pages.rootSelector);\n        var pagingBarContainer = root.find(PagingBar.rootSelector);\n        var dropdownContainer = root.find(Dropdown.rootSelector);\n        var pagingBarLimitSelectorContainer = root.find(PagingBarLimitSelector.rootSelector);\n        var id = root.attr('id');\n\n        // Set the id to the custom namespace provided\n        if (namespaceOverride) {\n            id = namespaceOverride;\n        }\n\n        Pages.init(pagesContainer, id, renderPagesContentCallback);\n\n        if (pagingBarContainer.length) {\n            PagingBar.init(pagingBarContainer, id);\n        }\n\n        if (pagingBarLimitSelectorContainer.length) {\n            PagingBarLimitSelector.init(pagingBarLimitSelectorContainer, id);\n        }\n\n        if (dropdownContainer.length) {\n            Dropdown.init(dropdownContainer, id);\n        }\n    };\n\n    return {\n        init: init,\n        rootSelector: '[data-region=\"paged-content-container\"]'\n    };\n});\n"],"file":"paged_content.min.js"}
\ No newline at end of file
+{"version":3,"file":"paged_content.min.js","sources":["../src/paged_content.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to load and render a paged content section.\n *\n * @module     core/paged_content\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/paged_content_pages',\n    'core/paged_content_paging_bar',\n    'core/paged_content_paging_bar_limit_selector',\n    'core/paged_content_paging_dropdown'\n],\nfunction(\n    $,\n    Pages,\n    PagingBar,\n    PagingBarLimitSelector,\n    Dropdown\n) {\n\n    /**\n     * Initialise the paged content region by running the pages\n     * module and initialising any paging controls in the DOM.\n     *\n     * @param {object} root The paged content container element\n     * @param {function} renderPagesContentCallback (optional) A callback function to render a\n     *                                              content page. See core/paged_content_pages for\n     *                                              more defails.\n     * @param {string} namespaceOverride (optional) Provide a unique namespace override. If none provided defaults\n     *                                      to generate html's id\n     */\n    var init = function(root, renderPagesContentCallback, namespaceOverride) {\n        root = $(root);\n        var pagesContainer = root.find(Pages.rootSelector);\n        var pagingBarContainer = root.find(PagingBar.rootSelector);\n        var dropdownContainer = root.find(Dropdown.rootSelector);\n        var pagingBarLimitSelectorContainer = root.find(PagingBarLimitSelector.rootSelector);\n        var id = root.attr('id');\n\n        // Set the id to the custom namespace provided\n        if (namespaceOverride) {\n            id = namespaceOverride;\n        }\n\n        Pages.init(pagesContainer, id, renderPagesContentCallback);\n\n        if (pagingBarContainer.length) {\n            PagingBar.init(pagingBarContainer, id);\n        }\n\n        if (pagingBarLimitSelectorContainer.length) {\n            PagingBarLimitSelector.init(pagingBarLimitSelectorContainer, id);\n        }\n\n        if (dropdownContainer.length) {\n            Dropdown.init(dropdownContainer, id);\n        }\n    };\n\n    return {\n        init: init,\n        rootSelector: '[data-region=\"paged-content-container\"]'\n    };\n});\n"],"names":["define","$","Pages","PagingBar","PagingBarLimitSelector","Dropdown","init","root","renderPagesContentCallback","namespaceOverride","pagesContainer","find","rootSelector","pagingBarContainer","dropdownContainer","pagingBarLimitSelectorContainer","id","attr","length"],"mappings":";;;;;;;AAsBAA,4BACA,CACI,SACA,2BACA,gCACA,+CACA,uCAEJ,SACIC,EACAC,MACAC,UACAC,uBACAC,gBA0CO,CACHC,KA7BO,SAASC,KAAMC,2BAA4BC,uBAE9CC,gBADJH,KAAON,EAAEM,OACiBI,KAAKT,MAAMU,cACjCC,mBAAqBN,KAAKI,KAAKR,UAAUS,cACzCE,kBAAoBP,KAAKI,KAAKN,SAASO,cACvCG,gCAAkCR,KAAKI,KAAKP,uBAAuBQ,cACnEI,GAAKT,KAAKU,KAAK,MAGfR,oBACAO,GAAKP,mBAGTP,MAAMI,KAAKI,eAAgBM,GAAIR,4BAE3BK,mBAAmBK,QACnBf,UAAUG,KAAKO,mBAAoBG,IAGnCD,gCAAgCG,QAChCd,uBAAuBE,KAAKS,gCAAiCC,IAG7DF,kBAAkBI,QAClBb,SAASC,KAAKQ,kBAAmBE,KAMrCJ,aAAc"}
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_events.min.js b/lib/amd/build/paged_content_events.min.js
index a72aea59e6c..61173c6691a 100644
--- a/lib/amd/build/paged_content_events.min.js
+++ b/lib/amd/build/paged_content_events.min.js
@@ -1,2 +1,10 @@
-define ("core/paged_content_events",[],function(){return{SHOW_PAGES:"core-paged-content-show-pages",PAGES_SHOWN:"core-paged-content-pages-shown",ALL_ITEMS_LOADED:"core-paged-content-all-items-loaded",SET_ITEMS_PER_PAGE_LIMIT:"core-paged-content-set-items-per-page-limit"}});
-//# sourceMappingURL=paged_content_events.min.js.map
+/**
+ * Events for the paged content element.
+ *
+ * @module     core/paged_content_events
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/paged_content_events",[],(function(){return{SHOW_PAGES:"core-paged-content-show-pages",PAGES_SHOWN:"core-paged-content-pages-shown",ALL_ITEMS_LOADED:"core-paged-content-all-items-loaded",SET_ITEMS_PER_PAGE_LIMIT:"core-paged-content-set-items-per-page-limit"}}));
+
+//# sourceMappingURL=paged_content_events.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_events.min.js.map b/lib/amd/build/paged_content_events.min.js.map
index 024e38b9977..a310eec93bf 100644
--- a/lib/amd/build/paged_content_events.min.js.map
+++ b/lib/amd/build/paged_content_events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/paged_content_events.js"],"names":["define","SHOW_PAGES","PAGES_SHOWN","ALL_ITEMS_LOADED","SET_ITEMS_PER_PAGE_LIMIT"],"mappings":"AAsBAA,OAAM,6BAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,UAAU,CAAE,+BADT,CAEHC,WAAW,CAAE,gCAFV,CAGHC,gBAAgB,CAAE,qCAHf,CAIHC,wBAAwB,CAAE,6CAJvB,CAMV,CAPK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the paged content element.\n *\n * @module     core/paged_content_events\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        SHOW_PAGES: 'core-paged-content-show-pages',\n        PAGES_SHOWN: 'core-paged-content-pages-shown',\n        ALL_ITEMS_LOADED: 'core-paged-content-all-items-loaded',\n        SET_ITEMS_PER_PAGE_LIMIT: 'core-paged-content-set-items-per-page-limit'\n    };\n});\n"],"file":"paged_content_events.min.js"}
\ No newline at end of file
+{"version":3,"file":"paged_content_events.min.js","sources":["../src/paged_content_events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the paged content element.\n *\n * @module     core/paged_content_events\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        SHOW_PAGES: 'core-paged-content-show-pages',\n        PAGES_SHOWN: 'core-paged-content-pages-shown',\n        ALL_ITEMS_LOADED: 'core-paged-content-all-items-loaded',\n        SET_ITEMS_PER_PAGE_LIMIT: 'core-paged-content-set-items-per-page-limit'\n    };\n});\n"],"names":["define","SHOW_PAGES","PAGES_SHOWN","ALL_ITEMS_LOADED","SET_ITEMS_PER_PAGE_LIMIT"],"mappings":";;;;;;;AAsBAA,mCAAO,IAAI,iBACA,CACHC,WAAY,gCACZC,YAAa,iCACbC,iBAAkB,sCAClBC,yBAA0B"}
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diff --git a/lib/amd/build/paged_content_factory.min.js b/lib/amd/build/paged_content_factory.min.js
index 6843e1bf0f6..9681043177f 100644
--- a/lib/amd/build/paged_content_factory.min.js
+++ b/lib/amd/build/paged_content_factory.min.js
@@ -1,2 +1,10 @@
-define ("core/paged_content_factory",["jquery","core/templates","core/notification","core/paged_content","core/paged_content_events","core/pubsub","core/ajax"],function(a,b,c,d,e,f,g){var h={PAGED_CONTENT:"core/paged_content"},j={ITEMS_PER_PAGE_SINGLE:25,ITEMS_PER_PAGE_ARRAY:[25,50,100,0],MAX_PAGES:3},k=function(){return{pagingbar:!1,pagingdropdown:!1,skipjs:!0,ignorecontrolwhileloading:!0,controlplacementbottom:!1}},l=function(){return{showitemsperpageselector:!1,itemsperpage:35,previous:!0,next:!0,activepagenumber:1,hidecontrolonsinglepage:!0,pages:[]}},m=function(a,b){var c=1;if(0<a){var d=a%b;if(d){a-=d;c=a/b+1}else{c=a/b}}return c},n=function(b,c){if(null===c){c=j.ITEMS_PER_PAGE_SINGLE}if(a.isArray(c)){c=c[0]}var d=l();d.itemsperpage=c;for(var e=m(b,c),f=1,g;f<=e;f++){g={number:f,page:""+f};if(1==f){g.active=!0}d.pages.push(g)}d.barsize=10;return d},o=function(b){var c=[];if(a.isArray(b)){c=b.map(function(a){if("number"==typeof a){return{value:a,active:!1}}else{return a}});var d=c.filter(function(a){return a.active});if(!d.length){c[0].active=!0}}else{c=[{value:b,active:!0}]}return c},p=function(b){if(null===b){b=j.ITEMS_PER_PAGE_ARRAY}var c=l();c.itemsperpage=o(b);c.showitemsperpageselector=a.isArray(b)&&1<b.length;return c},q=function(a,b){if(a){return n(a,b)}else{return p(b)}},r=function(b,c){if(null===b){b=j.ITEMS_PER_PAGE_SINGLE}if(a.isArray(b)){return{options:b}}var d={options:[]},e=0,f=0,g=j.MAX_PAGES;if(c.hasOwnProperty("maxPages")){g=c.maxPages}for(var h=1,k;h<=g;h++){k=0;if(2>=h){k=b;f=b}else{f=2*f;k=f}e+=k;var l={itemcount:k,content:e};if(1==h){l.active=!0}d.options.push(l)}return d},s=function(a,b,c){var d=k();if(c.hasOwnProperty("ignoreControlWhileLoading")){d.ignorecontrolwhileloading=c.ignoreControlWhileLoading}if(c.hasOwnProperty("controlPlacementBottom")){d.controlplacementbottom=c.controlPlacementBottom}if(c.hasOwnProperty("hideControlOnSinglePage")){d.hidecontrolonsinglepage=c.hideControlOnSinglePage}if(c.hasOwnProperty("ariaLabels")){d.arialabels=c.ariaLabels}if(c.hasOwnProperty("dropdown")&&c.dropdown){d.pagingdropdown=r(b,c)}else{d.pagingbar=q(a,b)}return d},t=function(e,f,g,i){i=i||{};var j=a.Deferred(),k=s(e,f,i);b.render(h.PAGED_CONTENT,k).then(function(b,c){b=a(b);var e=b.attr("id");if(i.hasOwnProperty("eventNamespace")){e=i.eventNamespace}var f=b;d.init(f,g,e);v(e,i);j.resolve(b,c)}).fail(function(a){j.reject(a)}).fail(c.exception);return j.promise()},u=function(a){return function callback(b){g.call([{methodname:"core_user_update_user_preferences",args:{preferences:[{type:a,value:b}]}}])}},v=function(a,b){if(b.hasOwnProperty("persistentLimitKey")){f.subscribe(a+e.SET_ITEMS_PER_PAGE_LIMIT,u(b.persistentLimitKey))}};return{create:function create(a,b){return t(null,null,a,b)},createWithLimit:function createWithLimit(a,b,c){return t(null,a,b,c)},createWithTotalAndLimit:t,createFromStaticList:function createFromStaticList(a,b,c,d){if("undefined"==typeof d){d={}}var e=a.length;return t(e,b,function(b){var d=[];b.forEach(function(b){var c=b.offset,f=b.limit?c+b.limit:e,g=a.slice(c,f);d.push(g)});return c(d)},d)},createFromAjax:t,resetLastPageNumber:function resetLastPageNumber(a,b){f.publish(a+e.ALL_ITEMS_LOADED,b)}}});
-//# sourceMappingURL=paged_content_factory.min.js.map
+/**
+ * Factory to create a paged content widget.
+ *
+ * @module     core/paged_content_factory
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/paged_content_factory",["jquery","core/templates","core/notification","core/paged_content","core/paged_content_events","core/pubsub","core/ajax"],(function($,Templates,Notification,PagedContent,PagedContentEvents,PubSub,Ajax){var TEMPLATES_PAGED_CONTENT="core/paged_content",DEFAULT_ITEMS_PER_PAGE_SINGLE=25,DEFAULT_ITEMS_PER_PAGE_ARRAY=[25,50,100,0],DEFAULT_MAX_PAGES=3,buildPagingBarTemplateContextUnknownLength=function(itemsPerPage){null===itemsPerPage&&(itemsPerPage=DEFAULT_ITEMS_PER_PAGE_ARRAY);var context={showitemsperpageselector:!1,itemsperpage:35,previous:!0,next:!0,activepagenumber:1,hidecontrolonsinglepage:!0,pages:[]};return context.itemsperpage=function(itemsPerPage){var context=[];return $.isArray(itemsPerPage)?(context=itemsPerPage.map((function(num){return"number"==typeof num?{value:num,active:!1}:num}))).filter((function(item){return item.active})).length||(context[0].active=!0):context=[{value:itemsPerPage,active:!0}],context}(itemsPerPage),context.showitemsperpageselector=$.isArray(itemsPerPage)&&itemsPerPage.length>1,context},buildPagingBarTemplateContext=function(numberOfItems,itemsPerPage){return numberOfItems?function(numberOfItems,itemsPerPage){null===itemsPerPage&&(itemsPerPage=DEFAULT_ITEMS_PER_PAGE_SINGLE),$.isArray(itemsPerPage)&&(itemsPerPage=itemsPerPage[0]);var context={showitemsperpageselector:!1,itemsperpage:35,previous:!0,next:!0,activepagenumber:1,hidecontrolonsinglepage:!0,pages:[]};context.itemsperpage=itemsPerPage;for(var numberOfPages=function(numberOfItems,itemsPerPage){var numberOfPages=1;if(numberOfItems>0){var partial=numberOfItems%itemsPerPage;numberOfPages=partial?(numberOfItems-=partial)/itemsPerPage+1:numberOfItems/itemsPerPage}return numberOfPages}(numberOfItems,itemsPerPage),i=1;i<=numberOfPages;i++){var page={number:i,page:""+i};1===i&&(page.active=!0),context.pages.push(page)}return context.barsize=10,context}(numberOfItems,itemsPerPage):buildPagingBarTemplateContextUnknownLength(itemsPerPage)},buildTemplateContext=function(numberOfItems,itemsPerPage,config){var context={pagingbar:!1,pagingdropdown:!1,skipjs:!0,ignorecontrolwhileloading:!0,controlplacementbottom:!1};return config.hasOwnProperty("ignoreControlWhileLoading")&&(context.ignorecontrolwhileloading=config.ignoreControlWhileLoading),config.hasOwnProperty("controlPlacementBottom")&&(context.controlplacementbottom=config.controlPlacementBottom),config.hasOwnProperty("hideControlOnSinglePage")&&(context.hidecontrolonsinglepage=config.hideControlOnSinglePage),config.hasOwnProperty("ariaLabels")&&(context.arialabels=config.ariaLabels),config.hasOwnProperty("dropdown")&&config.dropdown?context.pagingdropdown=function(itemsPerPage,config){if(null===itemsPerPage&&(itemsPerPage=DEFAULT_ITEMS_PER_PAGE_SINGLE),$.isArray(itemsPerPage))return{options:itemsPerPage};var context={options:[]},totalItems=0,lastIncrease=0,maxPages=DEFAULT_MAX_PAGES;config.hasOwnProperty("maxPages")&&(maxPages=config.maxPages);for(var i=1;i<=maxPages;i++){var itemCount=0;i<=2?(itemCount=itemsPerPage,lastIncrease=itemsPerPage):itemCount=lastIncrease*=2;var option={itemcount:itemCount,content:totalItems+=itemCount};1===i&&(option.active=!0),context.options.push(option)}return context}(itemsPerPage,config):context.pagingbar=buildPagingBarTemplateContext(numberOfItems,itemsPerPage),context},createWithTotalAndLimit=function(numberOfItems,itemsPerPage,renderPagesContentCallback,config){config=config||{};var deferred=$.Deferred(),templateContext=buildTemplateContext(numberOfItems,itemsPerPage,config);return Templates.render(TEMPLATES_PAGED_CONTENT,templateContext).then((function(html,js){var id=(html=$(html)).attr("id");config.hasOwnProperty("eventNamespace")&&(id=config.eventNamespace);var container=html;PagedContent.init(container,renderPagesContentCallback,id),registerEvents(id,config),deferred.resolve(html,js)})).fail((function(exception){deferred.reject(exception)})).fail(Notification.exception),deferred.promise()},registerEvents=function(namespace,config){var persistentLimitKey;config.hasOwnProperty("persistentLimitKey")&&PubSub.subscribe(namespace+PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT,(persistentLimitKey=config.persistentLimitKey,function(limit){var request={methodname:"core_user_update_user_preferences",args:{preferences:[{type:persistentLimitKey,value:limit}]}};Ajax.call([request])}))};return{create:function(renderPagesContentCallback,config){return createWithTotalAndLimit(null,null,renderPagesContentCallback,config)},createWithLimit:function(itemsPerPage,renderPagesContentCallback,config){return createWithTotalAndLimit(null,itemsPerPage,renderPagesContentCallback,config)},createWithTotalAndLimit:createWithTotalAndLimit,createFromStaticList:function(contentItems,itemsPerPage,renderContentCallback,config){void 0===config&&(config={});var numberOfItems=contentItems.length;return createWithTotalAndLimit(numberOfItems,itemsPerPage,(function(pagesData){var contentToRender=[];return pagesData.forEach((function(pageData){var begin=pageData.offset,end=pageData.limit?begin+pageData.limit:numberOfItems,items=contentItems.slice(begin,end);contentToRender.push(items)})),renderContentCallback(contentToRender)}),config)},createFromAjax:createWithTotalAndLimit,resetLastPageNumber:function(id,lastPageNumber){PubSub.publish(id+PagedContentEvents.ALL_ITEMS_LOADED,lastPageNumber)}}}));
+
+//# sourceMappingURL=paged_content_factory.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_factory.min.js.map b/lib/amd/build/paged_content_factory.min.js.map
index e541e285c2e..0b000cbf950 100644
--- a/lib/amd/build/paged_content_factory.min.js.map
+++ b/lib/amd/build/paged_content_factory.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Factory to create a paged content widget.\n *\n * @module     core/paged_content_factory\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/templates',\n    'core/notification',\n    'core/paged_content',\n    'core/paged_content_events',\n    'core/pubsub',\n    'core/ajax'\n],\nfunction(\n    $,\n    Templates,\n    Notification,\n    PagedContent,\n    PagedContentEvents,\n    PubSub,\n    Ajax\n) {\n    var TEMPLATES = {\n        PAGED_CONTENT: 'core/paged_content'\n    };\n\n    var DEFAULT = {\n        ITEMS_PER_PAGE_SINGLE: 25,\n        ITEMS_PER_PAGE_ARRAY: [25, 50, 100, 0],\n        MAX_PAGES: 3\n    };\n\n    /**\n     * Get the default context to render the paged content mustache\n     * template.\n     *\n     * @return {object}\n     */\n    var getDefaultTemplateContext = function() {\n        return {\n            pagingbar: false,\n            pagingdropdown: false,\n            skipjs: true,\n            ignorecontrolwhileloading: true,\n            controlplacementbottom: false\n        };\n    };\n\n    /**\n     * Get the default context to render the paging bar mustache template.\n     *\n     * @return {object}\n     */\n    var getDefaultPagingBarTemplateContext = function() {\n        return {\n            showitemsperpageselector: false,\n            itemsperpage: 35,\n            previous: true,\n            next: true,\n            activepagenumber: 1,\n            hidecontrolonsinglepage: true,\n            pages: []\n        };\n    };\n\n    /**\n     * Calculate the number of pages required for the given number of items and\n     * how many of each item should appear on a page.\n     *\n     * @param  {Number} numberOfItems How many items in total.\n     * @param  {Number} itemsPerPage  How many items will be shown per page.\n     * @return {Number} The number of pages required.\n     */\n    var calculateNumberOfPages = function(numberOfItems, itemsPerPage) {\n        var numberOfPages = 1;\n\n        if (numberOfItems > 0) {\n            var partial = numberOfItems % itemsPerPage;\n\n            if (partial) {\n                numberOfItems -= partial;\n                numberOfPages = (numberOfItems / itemsPerPage) + 1;\n            } else {\n                numberOfPages = numberOfItems / itemsPerPage;\n            }\n        }\n\n        return numberOfPages;\n    };\n\n    /**\n     * Build the context for the paging bar template when we have a known number\n     * of items.\n     *\n     * @param {Number} numberOfItems How many items in total.\n     * @param {Number} itemsPerPage  How many items will be shown per page.\n     * @return {object} Mustache template\n     */\n    var buildPagingBarTemplateContextKnownLength = function(numberOfItems, itemsPerPage) {\n        if (itemsPerPage === null) {\n            itemsPerPage = DEFAULT.ITEMS_PER_PAGE_SINGLE;\n        }\n\n        if ($.isArray(itemsPerPage)) {\n            // If we're given a total number of pages then we don't support a variable\n            // set of items per page so just use the first one.\n            itemsPerPage = itemsPerPage[0];\n        }\n\n        var context = getDefaultPagingBarTemplateContext();\n        context.itemsperpage = itemsPerPage;\n        var numberOfPages = calculateNumberOfPages(numberOfItems, itemsPerPage);\n\n        for (var i = 1; i <= numberOfPages; i++) {\n            var page = {\n                number: i,\n                page: \"\" + i,\n            };\n\n            // Make the first page active by default.\n            if (i === 1) {\n                page.active = true;\n            }\n\n            context.pages.push(page);\n        }\n\n        context.barsize = 10;\n        return context;\n    };\n\n    /**\n     * Convert the itemsPerPage value into a format applicable for the mustache template.\n     * The given value can be either a single integer or an array of integers / objects.\n     *\n     * E.g.\n     * In: [5, 10]\n     * out: [{value: 5, active: true}, {value: 10, active: false}]\n     *\n     * In: [5, {value: 10, active: true}]\n     * Out: [{value: 5, active: false}, {value: 10, active: true}]\n     *\n     * In: [{value: 5, active: false}, {value: 10, active: true}]\n     * Out: [{value: 5, active: false}, {value: 10, active: true}]\n     *\n     * @param {int|int[]} itemsPerPage Options for number of items per page.\n     * @return {int|array}\n     */\n    var buildItemsPerPagePagingBarContext = function(itemsPerPage) {\n        var context = [];\n\n        if ($.isArray(itemsPerPage)) {\n            // Convert the array into a format accepted by the template.\n            context = itemsPerPage.map(function(num) {\n                if (typeof num === 'number') {\n                    // If the item is just a plain number then convert it into\n                    // an object with value and active keys.\n                    return {\n                        value: num,\n                        active: false\n                    };\n                } else {\n                    // Otherwise we assume the caller has specified things correctly.\n                    return num;\n                }\n            });\n\n            var activeItems = context.filter(function(item) {\n                return item.active;\n            });\n\n            // Default the first item to active if one hasn't been specified.\n            if (!activeItems.length) {\n                context[0].active = true;\n            }\n        } else {\n            // Convert the integer into a format accepted by the template.\n            context = [{value: itemsPerPage, active: true}];\n        }\n\n        return context;\n    };\n\n    /**\n     * Build the context for the paging bar template when we have an unknown\n     * number of items.\n     *\n     * @param {Number} itemsPerPage  How many items will be shown per page.\n     * @return {object} Mustache template\n     */\n    var buildPagingBarTemplateContextUnknownLength = function(itemsPerPage) {\n        if (itemsPerPage === null) {\n            itemsPerPage = DEFAULT.ITEMS_PER_PAGE_ARRAY;\n        }\n\n        var context = getDefaultPagingBarTemplateContext();\n        context.itemsperpage = buildItemsPerPagePagingBarContext(itemsPerPage);\n        // Only display the items per page selector if there is more than one to choose from.\n        context.showitemsperpageselector = $.isArray(itemsPerPage) && itemsPerPage.length > 1;\n\n        return context;\n    };\n\n    /**\n     * Build the context to render the paging bar template with based on the number\n     * of pages to show.\n     *\n     * @param  {int|null} numberOfItems How many items are there total.\n     * @param  {int|null} itemsPerPage  How many items will be shown per page.\n     * @return {object} The template context.\n     */\n    var buildPagingBarTemplateContext = function(numberOfItems, itemsPerPage) {\n        if (numberOfItems) {\n            return buildPagingBarTemplateContextKnownLength(numberOfItems, itemsPerPage);\n        } else {\n            return buildPagingBarTemplateContextUnknownLength(itemsPerPage);\n        }\n    };\n\n    /**\n     * Build the context to render the paging dropdown template based on the number\n     * of pages to show and items per page.\n     *\n     * This control is rendered with a gradual increase of the items per page to\n     * limit the number of pages in the dropdown. Each page will show twice as much\n     * as the previous page (except for the first two pages).\n     *\n     * By default there will only be 4 pages shown (including the \"All\" option) unless\n     * a different number of pages is defined using the maxPages config value.\n     *\n     * For example:\n     * Items per page = 25\n     * Would render a dropdown will 4 options:\n     * 25\n     * 50\n     * 100\n     * All\n     *\n     * @param  {Number} itemsPerPage  How many items will be shown per page.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {object} The template context.\n     */\n    var buildPagingDropdownTemplateContext = function(itemsPerPage, config) {\n        if (itemsPerPage === null) {\n            itemsPerPage = DEFAULT.ITEMS_PER_PAGE_SINGLE;\n        }\n\n        if ($.isArray(itemsPerPage)) {\n            // If we're given an array for the items per page, rather than a number,\n            // then just use that as the options for the dropdown.\n            return {\n                options: itemsPerPage\n            };\n        }\n\n        var context = {\n            options: []\n        };\n\n        var totalItems = 0;\n        var lastIncrease = 0;\n        var maxPages = DEFAULT.MAX_PAGES;\n\n        if (config.hasOwnProperty('maxPages')) {\n            maxPages = config.maxPages;\n        }\n\n        for (var i = 1; i <= maxPages; i++) {\n            var itemCount = 0;\n\n            if (i <= 2) {\n                itemCount = itemsPerPage;\n                lastIncrease = itemsPerPage;\n            } else {\n                lastIncrease = lastIncrease * 2;\n                itemCount = lastIncrease;\n            }\n\n            totalItems += itemCount;\n            var option = {\n                itemcount: itemCount,\n                content: totalItems\n            };\n\n            // Make the first option active by default.\n            if (i === 1) {\n                option.active = true;\n            }\n\n            context.options.push(option);\n        }\n\n        return context;\n    };\n\n    /**\n     * Build the context to render the paged content template with based on the number\n     * of pages to show, items per page, and configuration option.\n     *\n     * By default the code will render a paging bar for the paging controls unless\n     * otherwise specified in the provided config.\n     *\n     * @param  {int|null} numberOfItems Total number of items.\n     * @param  {int|null|array} itemsPerPage  How many items will be shown per page.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {object} The template context.\n     */\n    var buildTemplateContext = function(numberOfItems, itemsPerPage, config) {\n        var context = getDefaultTemplateContext();\n\n        if (config.hasOwnProperty('ignoreControlWhileLoading')) {\n            context.ignorecontrolwhileloading = config.ignoreControlWhileLoading;\n        }\n\n        if (config.hasOwnProperty('controlPlacementBottom')) {\n            context.controlplacementbottom = config.controlPlacementBottom;\n        }\n\n        if (config.hasOwnProperty('hideControlOnSinglePage')) {\n            context.hidecontrolonsinglepage = config.hideControlOnSinglePage;\n        }\n\n        if (config.hasOwnProperty('ariaLabels')) {\n            context.arialabels = config.ariaLabels;\n        }\n\n        if (config.hasOwnProperty('dropdown') && config.dropdown) {\n            context.pagingdropdown = buildPagingDropdownTemplateContext(itemsPerPage, config);\n        } else {\n            context.pagingbar = buildPagingBarTemplateContext(numberOfItems, itemsPerPage);\n        }\n\n        return context;\n    };\n\n    /**\n     * Create a paged content widget where the complete list of items is not loaded\n     * up front but will instead be loaded by an ajax request (or similar).\n     *\n     * The client code must provide a callback function which loads and renders the\n     * items for each page. See PagedContent.init for more details.\n     *\n     * The function will return a deferred that is resolved with a jQuery object\n     * for the HTML content and a string for the JavaScript.\n     *\n     * The current list of configuration options available are:\n     *      dropdown {bool} True to render the page control as a dropdown (paging bar is default).\n     *      maxPages {Number} The maximum number of pages to show in the dropdown (only works with dropdown option)\n     *      ignoreControlWhileLoading {bool} Disable the pagination controls while loading a page (default to true)\n     *      controlPlacementBottom {bool} Render controls under paged content (default to false)\n     *\n     * @param  {function} renderPagesContentCallback  Callback for loading and rendering the items.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {promise} Resolved with jQuery HTML and string JS.\n     */\n    var create = function(renderPagesContentCallback, config) {\n        return createWithTotalAndLimit(null, null, renderPagesContentCallback, config);\n    };\n\n    /**\n     * Create a paged content widget where the complete list of items is not loaded\n     * up front but will instead be loaded by an ajax request (or similar).\n     *\n     * The client code must provide a callback function which loads and renders the\n     * items for each page. See PagedContent.init for more details.\n     *\n     * The function will return a deferred that is resolved with a jQuery object\n     * for the HTML content and a string for the JavaScript.\n     *\n     * The current list of configuration options available are:\n     *      dropdown {bool} True to render the page control as a dropdown (paging bar is default).\n     *      maxPages {Number} The maximum number of pages to show in the dropdown (only works with dropdown option)\n     *      ignoreControlWhileLoading {bool} Disable the pagination controls while loading a page (default to true)\n     *      controlPlacementBottom {bool} Render controls under paged content (default to false)\n     *\n     * @param  {int|array|null} itemsPerPage  How many items will be shown per page.\n     * @param  {function} renderPagesContentCallback  Callback for loading and rendering the items.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {promise} Resolved with jQuery HTML and string JS.\n     */\n    var createWithLimit = function(itemsPerPage, renderPagesContentCallback, config) {\n        return createWithTotalAndLimit(null, itemsPerPage, renderPagesContentCallback, config);\n    };\n\n    /**\n     * Create a paged content widget where the complete list of items is not loaded\n     * up front but will instead be loaded by an ajax request (or similar).\n     *\n     * The client code must provide a callback function which loads and renders the\n     * items for each page. See PagedContent.init for more details.\n     *\n     * The function will return a deferred that is resolved with a jQuery object\n     * for the HTML content and a string for the JavaScript.\n     *\n     * The current list of configuration options available are:\n     *      dropdown {bool} True to render the page control as a dropdown (paging bar is default).\n     *      maxPages {Number} The maximum number of pages to show in the dropdown (only works with dropdown option)\n     *      ignoreControlWhileLoading {bool} Disable the pagination controls while loading a page (default to true)\n     *      controlPlacementBottom {bool} Render controls under paged content (default to false)\n     *\n     * @param  {int|null} numberOfItems How many items are there in total.\n     * @param  {int|array|null} itemsPerPage  How many items will be shown per page.\n     * @param  {function} renderPagesContentCallback  Callback for loading and rendering the items.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {promise} Resolved with jQuery HTML and string JS.\n     */\n    var createWithTotalAndLimit = function(numberOfItems, itemsPerPage, renderPagesContentCallback, config) {\n        config = config || {};\n\n        var deferred = $.Deferred();\n        var templateContext = buildTemplateContext(numberOfItems, itemsPerPage, config);\n\n        Templates.render(TEMPLATES.PAGED_CONTENT, templateContext)\n            .then(function(html, js) {\n                html = $(html);\n                var id = html.attr('id');\n\n                // Set the id to the custom namespace provided\n                if (config.hasOwnProperty('eventNamespace')) {\n                    id = config.eventNamespace;\n                }\n\n                var container = html;\n\n                PagedContent.init(container, renderPagesContentCallback, id);\n\n                registerEvents(id, config);\n\n                deferred.resolve(html, js);\n                return;\n            })\n            .fail(function(exception) {\n                deferred.reject(exception);\n            })\n            .fail(Notification.exception);\n\n        return deferred.promise();\n    };\n\n    /**\n     * Create a paged content widget where the complete list of items is loaded\n     * up front.\n     *\n     * The client code must provide a callback function which renders the\n     * items for each page. The callback will be provided with an array where each\n     * value in the array is a the list of items to render for the page.\n     *\n     * The function will return a deferred that is resolved with a jQuery object\n     * for the HTML content and a string for the JavaScript.\n     *\n     * The current list of configuration options available are:\n     *      dropdown {bool} True to render the page control as a dropdown (paging bar is default).\n     *      maxPages {Number} The maximum number of pages to show in the dropdown (only works with dropdown option)\n     *      ignoreControlWhileLoading {bool} Disable the pagination controls while loading a page (default to true)\n     *      controlPlacementBottom {bool} Render controls under paged content (default to false)\n     *\n     * @param  {array} contentItems The list of items to paginate.\n     * @param  {Number} itemsPerPage  How many items will be shown per page.\n     * @param  {function} renderContentCallback  Callback for rendering the items for the page.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {promise} Resolved with jQuery HTML and string JS.\n     */\n    var createFromStaticList = function(contentItems, itemsPerPage, renderContentCallback, config) {\n        if (typeof config == 'undefined') {\n            config = {};\n        }\n\n        var numberOfItems = contentItems.length;\n        return createWithTotalAndLimit(numberOfItems, itemsPerPage, function(pagesData) {\n            var contentToRender = [];\n            pagesData.forEach(function(pageData) {\n                var begin = pageData.offset;\n                var end = pageData.limit ? begin + pageData.limit : numberOfItems;\n                var items = contentItems.slice(begin, end);\n                contentToRender.push(items);\n            });\n\n            return renderContentCallback(contentToRender);\n        }, config);\n    };\n\n    /**\n     * Reset the last page number for the generated paged-content\n     * This is used when we need a way to update the last page number outside of the getters callback\n     *\n     * @param {String} id ID of the paged content container\n     * @param {Int} lastPageNumber The last page number\n     */\n    var resetLastPageNumber = function(id, lastPageNumber) {\n        PubSub.publish(id + PagedContentEvents.ALL_ITEMS_LOADED, lastPageNumber);\n    };\n\n    /**\n     * Generate the callback handler for the page limit persistence functionality\n     *\n     * @param {String} persistentLimitKey\n     * @return {callback}\n     */\n    var generateLimitHandler = function(persistentLimitKey) {\n        var callback = function(limit) {\n            var args = {\n                preferences: [\n                    {\n                        type: persistentLimitKey,\n                        value: limit\n                    }\n                ]\n            };\n\n            var request = {\n                methodname: 'core_user_update_user_preferences',\n                args: args\n            };\n\n            Ajax.call([request]);\n        };\n\n        return callback;\n    };\n\n    /**\n     * Set up any events based on config key values\n     *\n     * @param {string} namespace The namespace for this component\n     * @param {object} config Config options passed to the factory\n     */\n    var registerEvents = function(namespace, config) {\n        if (config.hasOwnProperty('persistentLimitKey')) {\n            PubSub.subscribe(namespace + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT,\n                generateLimitHandler(config.persistentLimitKey));\n        }\n    };\n\n    return {\n        create: create,\n        createWithLimit: createWithLimit,\n        createWithTotalAndLimit: createWithTotalAndLimit,\n        createFromStaticList: createFromStaticList,\n        // Backwards compatibility just in case anyone was using this.\n        createFromAjax: createWithTotalAndLimit,\n        resetLastPageNumber: resetLastPageNumber\n    };\n});\n"],"file":"paged_content_factory.min.js"}
\ No newline at end of file
+{"version":3,"file":"paged_content_factory.min.js","sources":["../src/paged_content_factory.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Factory to create a paged content widget.\n *\n * @module     core/paged_content_factory\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/templates',\n    'core/notification',\n    'core/paged_content',\n    'core/paged_content_events',\n    'core/pubsub',\n    'core/ajax'\n],\nfunction(\n    $,\n    Templates,\n    Notification,\n    PagedContent,\n    PagedContentEvents,\n    PubSub,\n    Ajax\n) {\n    var TEMPLATES = {\n        PAGED_CONTENT: 'core/paged_content'\n    };\n\n    var DEFAULT = {\n        ITEMS_PER_PAGE_SINGLE: 25,\n        ITEMS_PER_PAGE_ARRAY: [25, 50, 100, 0],\n        MAX_PAGES: 3\n    };\n\n    /**\n     * Get the default context to render the paged content mustache\n     * template.\n     *\n     * @return {object}\n     */\n    var getDefaultTemplateContext = function() {\n        return {\n            pagingbar: false,\n            pagingdropdown: false,\n            skipjs: true,\n            ignorecontrolwhileloading: true,\n            controlplacementbottom: false\n        };\n    };\n\n    /**\n     * Get the default context to render the paging bar mustache template.\n     *\n     * @return {object}\n     */\n    var getDefaultPagingBarTemplateContext = function() {\n        return {\n            showitemsperpageselector: false,\n            itemsperpage: 35,\n            previous: true,\n            next: true,\n            activepagenumber: 1,\n            hidecontrolonsinglepage: true,\n            pages: []\n        };\n    };\n\n    /**\n     * Calculate the number of pages required for the given number of items and\n     * how many of each item should appear on a page.\n     *\n     * @param  {Number} numberOfItems How many items in total.\n     * @param  {Number} itemsPerPage  How many items will be shown per page.\n     * @return {Number} The number of pages required.\n     */\n    var calculateNumberOfPages = function(numberOfItems, itemsPerPage) {\n        var numberOfPages = 1;\n\n        if (numberOfItems > 0) {\n            var partial = numberOfItems % itemsPerPage;\n\n            if (partial) {\n                numberOfItems -= partial;\n                numberOfPages = (numberOfItems / itemsPerPage) + 1;\n            } else {\n                numberOfPages = numberOfItems / itemsPerPage;\n            }\n        }\n\n        return numberOfPages;\n    };\n\n    /**\n     * Build the context for the paging bar template when we have a known number\n     * of items.\n     *\n     * @param {Number} numberOfItems How many items in total.\n     * @param {Number} itemsPerPage  How many items will be shown per page.\n     * @return {object} Mustache template\n     */\n    var buildPagingBarTemplateContextKnownLength = function(numberOfItems, itemsPerPage) {\n        if (itemsPerPage === null) {\n            itemsPerPage = DEFAULT.ITEMS_PER_PAGE_SINGLE;\n        }\n\n        if ($.isArray(itemsPerPage)) {\n            // If we're given a total number of pages then we don't support a variable\n            // set of items per page so just use the first one.\n            itemsPerPage = itemsPerPage[0];\n        }\n\n        var context = getDefaultPagingBarTemplateContext();\n        context.itemsperpage = itemsPerPage;\n        var numberOfPages = calculateNumberOfPages(numberOfItems, itemsPerPage);\n\n        for (var i = 1; i <= numberOfPages; i++) {\n            var page = {\n                number: i,\n                page: \"\" + i,\n            };\n\n            // Make the first page active by default.\n            if (i === 1) {\n                page.active = true;\n            }\n\n            context.pages.push(page);\n        }\n\n        context.barsize = 10;\n        return context;\n    };\n\n    /**\n     * Convert the itemsPerPage value into a format applicable for the mustache template.\n     * The given value can be either a single integer or an array of integers / objects.\n     *\n     * E.g.\n     * In: [5, 10]\n     * out: [{value: 5, active: true}, {value: 10, active: false}]\n     *\n     * In: [5, {value: 10, active: true}]\n     * Out: [{value: 5, active: false}, {value: 10, active: true}]\n     *\n     * In: [{value: 5, active: false}, {value: 10, active: true}]\n     * Out: [{value: 5, active: false}, {value: 10, active: true}]\n     *\n     * @param {int|int[]} itemsPerPage Options for number of items per page.\n     * @return {int|array}\n     */\n    var buildItemsPerPagePagingBarContext = function(itemsPerPage) {\n        var context = [];\n\n        if ($.isArray(itemsPerPage)) {\n            // Convert the array into a format accepted by the template.\n            context = itemsPerPage.map(function(num) {\n                if (typeof num === 'number') {\n                    // If the item is just a plain number then convert it into\n                    // an object with value and active keys.\n                    return {\n                        value: num,\n                        active: false\n                    };\n                } else {\n                    // Otherwise we assume the caller has specified things correctly.\n                    return num;\n                }\n            });\n\n            var activeItems = context.filter(function(item) {\n                return item.active;\n            });\n\n            // Default the first item to active if one hasn't been specified.\n            if (!activeItems.length) {\n                context[0].active = true;\n            }\n        } else {\n            // Convert the integer into a format accepted by the template.\n            context = [{value: itemsPerPage, active: true}];\n        }\n\n        return context;\n    };\n\n    /**\n     * Build the context for the paging bar template when we have an unknown\n     * number of items.\n     *\n     * @param {Number} itemsPerPage  How many items will be shown per page.\n     * @return {object} Mustache template\n     */\n    var buildPagingBarTemplateContextUnknownLength = function(itemsPerPage) {\n        if (itemsPerPage === null) {\n            itemsPerPage = DEFAULT.ITEMS_PER_PAGE_ARRAY;\n        }\n\n        var context = getDefaultPagingBarTemplateContext();\n        context.itemsperpage = buildItemsPerPagePagingBarContext(itemsPerPage);\n        // Only display the items per page selector if there is more than one to choose from.\n        context.showitemsperpageselector = $.isArray(itemsPerPage) && itemsPerPage.length > 1;\n\n        return context;\n    };\n\n    /**\n     * Build the context to render the paging bar template with based on the number\n     * of pages to show.\n     *\n     * @param  {int|null} numberOfItems How many items are there total.\n     * @param  {int|null} itemsPerPage  How many items will be shown per page.\n     * @return {object} The template context.\n     */\n    var buildPagingBarTemplateContext = function(numberOfItems, itemsPerPage) {\n        if (numberOfItems) {\n            return buildPagingBarTemplateContextKnownLength(numberOfItems, itemsPerPage);\n        } else {\n            return buildPagingBarTemplateContextUnknownLength(itemsPerPage);\n        }\n    };\n\n    /**\n     * Build the context to render the paging dropdown template based on the number\n     * of pages to show and items per page.\n     *\n     * This control is rendered with a gradual increase of the items per page to\n     * limit the number of pages in the dropdown. Each page will show twice as much\n     * as the previous page (except for the first two pages).\n     *\n     * By default there will only be 4 pages shown (including the \"All\" option) unless\n     * a different number of pages is defined using the maxPages config value.\n     *\n     * For example:\n     * Items per page = 25\n     * Would render a dropdown will 4 options:\n     * 25\n     * 50\n     * 100\n     * All\n     *\n     * @param  {Number} itemsPerPage  How many items will be shown per page.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {object} The template context.\n     */\n    var buildPagingDropdownTemplateContext = function(itemsPerPage, config) {\n        if (itemsPerPage === null) {\n            itemsPerPage = DEFAULT.ITEMS_PER_PAGE_SINGLE;\n        }\n\n        if ($.isArray(itemsPerPage)) {\n            // If we're given an array for the items per page, rather than a number,\n            // then just use that as the options for the dropdown.\n            return {\n                options: itemsPerPage\n            };\n        }\n\n        var context = {\n            options: []\n        };\n\n        var totalItems = 0;\n        var lastIncrease = 0;\n        var maxPages = DEFAULT.MAX_PAGES;\n\n        if (config.hasOwnProperty('maxPages')) {\n            maxPages = config.maxPages;\n        }\n\n        for (var i = 1; i <= maxPages; i++) {\n            var itemCount = 0;\n\n            if (i <= 2) {\n                itemCount = itemsPerPage;\n                lastIncrease = itemsPerPage;\n            } else {\n                lastIncrease = lastIncrease * 2;\n                itemCount = lastIncrease;\n            }\n\n            totalItems += itemCount;\n            var option = {\n                itemcount: itemCount,\n                content: totalItems\n            };\n\n            // Make the first option active by default.\n            if (i === 1) {\n                option.active = true;\n            }\n\n            context.options.push(option);\n        }\n\n        return context;\n    };\n\n    /**\n     * Build the context to render the paged content template with based on the number\n     * of pages to show, items per page, and configuration option.\n     *\n     * By default the code will render a paging bar for the paging controls unless\n     * otherwise specified in the provided config.\n     *\n     * @param  {int|null} numberOfItems Total number of items.\n     * @param  {int|null|array} itemsPerPage  How many items will be shown per page.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {object} The template context.\n     */\n    var buildTemplateContext = function(numberOfItems, itemsPerPage, config) {\n        var context = getDefaultTemplateContext();\n\n        if (config.hasOwnProperty('ignoreControlWhileLoading')) {\n            context.ignorecontrolwhileloading = config.ignoreControlWhileLoading;\n        }\n\n        if (config.hasOwnProperty('controlPlacementBottom')) {\n            context.controlplacementbottom = config.controlPlacementBottom;\n        }\n\n        if (config.hasOwnProperty('hideControlOnSinglePage')) {\n            context.hidecontrolonsinglepage = config.hideControlOnSinglePage;\n        }\n\n        if (config.hasOwnProperty('ariaLabels')) {\n            context.arialabels = config.ariaLabels;\n        }\n\n        if (config.hasOwnProperty('dropdown') && config.dropdown) {\n            context.pagingdropdown = buildPagingDropdownTemplateContext(itemsPerPage, config);\n        } else {\n            context.pagingbar = buildPagingBarTemplateContext(numberOfItems, itemsPerPage);\n        }\n\n        return context;\n    };\n\n    /**\n     * Create a paged content widget where the complete list of items is not loaded\n     * up front but will instead be loaded by an ajax request (or similar).\n     *\n     * The client code must provide a callback function which loads and renders the\n     * items for each page. See PagedContent.init for more details.\n     *\n     * The function will return a deferred that is resolved with a jQuery object\n     * for the HTML content and a string for the JavaScript.\n     *\n     * The current list of configuration options available are:\n     *      dropdown {bool} True to render the page control as a dropdown (paging bar is default).\n     *      maxPages {Number} The maximum number of pages to show in the dropdown (only works with dropdown option)\n     *      ignoreControlWhileLoading {bool} Disable the pagination controls while loading a page (default to true)\n     *      controlPlacementBottom {bool} Render controls under paged content (default to false)\n     *\n     * @param  {function} renderPagesContentCallback  Callback for loading and rendering the items.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {promise} Resolved with jQuery HTML and string JS.\n     */\n    var create = function(renderPagesContentCallback, config) {\n        return createWithTotalAndLimit(null, null, renderPagesContentCallback, config);\n    };\n\n    /**\n     * Create a paged content widget where the complete list of items is not loaded\n     * up front but will instead be loaded by an ajax request (or similar).\n     *\n     * The client code must provide a callback function which loads and renders the\n     * items for each page. See PagedContent.init for more details.\n     *\n     * The function will return a deferred that is resolved with a jQuery object\n     * for the HTML content and a string for the JavaScript.\n     *\n     * The current list of configuration options available are:\n     *      dropdown {bool} True to render the page control as a dropdown (paging bar is default).\n     *      maxPages {Number} The maximum number of pages to show in the dropdown (only works with dropdown option)\n     *      ignoreControlWhileLoading {bool} Disable the pagination controls while loading a page (default to true)\n     *      controlPlacementBottom {bool} Render controls under paged content (default to false)\n     *\n     * @param  {int|array|null} itemsPerPage  How many items will be shown per page.\n     * @param  {function} renderPagesContentCallback  Callback for loading and rendering the items.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {promise} Resolved with jQuery HTML and string JS.\n     */\n    var createWithLimit = function(itemsPerPage, renderPagesContentCallback, config) {\n        return createWithTotalAndLimit(null, itemsPerPage, renderPagesContentCallback, config);\n    };\n\n    /**\n     * Create a paged content widget where the complete list of items is not loaded\n     * up front but will instead be loaded by an ajax request (or similar).\n     *\n     * The client code must provide a callback function which loads and renders the\n     * items for each page. See PagedContent.init for more details.\n     *\n     * The function will return a deferred that is resolved with a jQuery object\n     * for the HTML content and a string for the JavaScript.\n     *\n     * The current list of configuration options available are:\n     *      dropdown {bool} True to render the page control as a dropdown (paging bar is default).\n     *      maxPages {Number} The maximum number of pages to show in the dropdown (only works with dropdown option)\n     *      ignoreControlWhileLoading {bool} Disable the pagination controls while loading a page (default to true)\n     *      controlPlacementBottom {bool} Render controls under paged content (default to false)\n     *\n     * @param  {int|null} numberOfItems How many items are there in total.\n     * @param  {int|array|null} itemsPerPage  How many items will be shown per page.\n     * @param  {function} renderPagesContentCallback  Callback for loading and rendering the items.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {promise} Resolved with jQuery HTML and string JS.\n     */\n    var createWithTotalAndLimit = function(numberOfItems, itemsPerPage, renderPagesContentCallback, config) {\n        config = config || {};\n\n        var deferred = $.Deferred();\n        var templateContext = buildTemplateContext(numberOfItems, itemsPerPage, config);\n\n        Templates.render(TEMPLATES.PAGED_CONTENT, templateContext)\n            .then(function(html, js) {\n                html = $(html);\n                var id = html.attr('id');\n\n                // Set the id to the custom namespace provided\n                if (config.hasOwnProperty('eventNamespace')) {\n                    id = config.eventNamespace;\n                }\n\n                var container = html;\n\n                PagedContent.init(container, renderPagesContentCallback, id);\n\n                registerEvents(id, config);\n\n                deferred.resolve(html, js);\n                return;\n            })\n            .fail(function(exception) {\n                deferred.reject(exception);\n            })\n            .fail(Notification.exception);\n\n        return deferred.promise();\n    };\n\n    /**\n     * Create a paged content widget where the complete list of items is loaded\n     * up front.\n     *\n     * The client code must provide a callback function which renders the\n     * items for each page. The callback will be provided with an array where each\n     * value in the array is a the list of items to render for the page.\n     *\n     * The function will return a deferred that is resolved with a jQuery object\n     * for the HTML content and a string for the JavaScript.\n     *\n     * The current list of configuration options available are:\n     *      dropdown {bool} True to render the page control as a dropdown (paging bar is default).\n     *      maxPages {Number} The maximum number of pages to show in the dropdown (only works with dropdown option)\n     *      ignoreControlWhileLoading {bool} Disable the pagination controls while loading a page (default to true)\n     *      controlPlacementBottom {bool} Render controls under paged content (default to false)\n     *\n     * @param  {array} contentItems The list of items to paginate.\n     * @param  {Number} itemsPerPage  How many items will be shown per page.\n     * @param  {function} renderContentCallback  Callback for rendering the items for the page.\n     * @param  {object} config  Configuration options provided by the client.\n     * @return {promise} Resolved with jQuery HTML and string JS.\n     */\n    var createFromStaticList = function(contentItems, itemsPerPage, renderContentCallback, config) {\n        if (typeof config == 'undefined') {\n            config = {};\n        }\n\n        var numberOfItems = contentItems.length;\n        return createWithTotalAndLimit(numberOfItems, itemsPerPage, function(pagesData) {\n            var contentToRender = [];\n            pagesData.forEach(function(pageData) {\n                var begin = pageData.offset;\n                var end = pageData.limit ? begin + pageData.limit : numberOfItems;\n                var items = contentItems.slice(begin, end);\n                contentToRender.push(items);\n            });\n\n            return renderContentCallback(contentToRender);\n        }, config);\n    };\n\n    /**\n     * Reset the last page number for the generated paged-content\n     * This is used when we need a way to update the last page number outside of the getters callback\n     *\n     * @param {String} id ID of the paged content container\n     * @param {Int} lastPageNumber The last page number\n     */\n    var resetLastPageNumber = function(id, lastPageNumber) {\n        PubSub.publish(id + PagedContentEvents.ALL_ITEMS_LOADED, lastPageNumber);\n    };\n\n    /**\n     * Generate the callback handler for the page limit persistence functionality\n     *\n     * @param {String} persistentLimitKey\n     * @return {callback}\n     */\n    var generateLimitHandler = function(persistentLimitKey) {\n        var callback = function(limit) {\n            var args = {\n                preferences: [\n                    {\n                        type: persistentLimitKey,\n                        value: limit\n                    }\n                ]\n            };\n\n            var request = {\n                methodname: 'core_user_update_user_preferences',\n                args: args\n            };\n\n            Ajax.call([request]);\n        };\n\n        return callback;\n    };\n\n    /**\n     * Set up any events based on config key values\n     *\n     * @param {string} namespace The namespace for this component\n     * @param {object} config Config options passed to the factory\n     */\n    var registerEvents = function(namespace, config) {\n        if (config.hasOwnProperty('persistentLimitKey')) {\n            PubSub.subscribe(namespace + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT,\n                generateLimitHandler(config.persistentLimitKey));\n        }\n    };\n\n    return {\n        create: create,\n        createWithLimit: createWithLimit,\n        createWithTotalAndLimit: createWithTotalAndLimit,\n        createFromStaticList: createFromStaticList,\n        // Backwards compatibility just in case anyone was using this.\n        createFromAjax: createWithTotalAndLimit,\n        resetLastPageNumber: resetLastPageNumber\n    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diff --git a/lib/amd/build/paged_content_pages.min.js b/lib/amd/build/paged_content_pages.min.js
index 5aa19715b14..83551a83474 100644
--- a/lib/amd/build/paged_content_pages.min.js
+++ b/lib/amd/build/paged_content_pages.min.js
@@ -1,2 +1,10 @@
-define ("core/paged_content_pages",["jquery","core/templates","core/notification","core/pubsub","core/paged_content_events","core/pending"],function(a,b,c,d,e,f){var g={ROOT:"[data-region=\"page-container\"]",PAGE_REGION:"[data-region=\"paged-content-page\"]",ACTIVE_PAGE_REGION:"[data-region=\"paged-content-page\"].active"},h={PAGING_CONTENT_ITEM:"core/paged_content_page",LOADING:"core/overlay_loading"},i=function(a,b){return a.find("[data-page=\""+b+"\"]")},j=function(d){var e=a.Deferred();d.attr("aria-busy",!0);var g=new f("core/paged_content_pages:startLoading");b.render(h.LOADING,{visible:!0}).then(function(b){var c=a(b),f=setTimeout(function(){d.css("position","relative");c.appendTo(d)},300);e.always(function(){clearTimeout(f);c.remove();d.css("position","");d.removeAttr("aria-busy");g.resolve()})}).fail(c.exception);return e},k=function(d,e,f){var g=a.Deferred();e.then(function(a,e){e=e||"";b.render(h.PAGING_CONTENT_ITEM,{page:f,content:a}).then(function(a){b.appendNodeContents(d,a,e);var c=i(d,f);g.resolve(c)}).fail(function(a){g.reject(a)}).fail(c.exception)}).fail(function(a){g.reject(a)}).fail(c.exception);return g.promise()},l=function(b,h,l,m){var n=new f("core/paged_content_pages:showPages"),o=[],p=[],q=a.Deferred();h.forEach(function(a){var c=a.pageNumber,d=i(b,c);if(d.length){o.push(d)}else{p.push(a)}});if(p.length&&"function"==typeof m){var r=m(p,{allItemsLoaded:function allItemsLoaded(a){d.publish(l+e.ALL_ITEMS_LOADED,a)}}),s=r.map(function(a,c){return k(b,a,p[c].pageNumber)});a.when.apply(a,s).then(function(){var a=Array.prototype.slice.call(arguments);q.resolve(a)}).fail(function(a){q.reject(a)}).fail(c.exception)}else{q.resolve([])}var t=j(b);q.then(function(a){var c=o.concat(a);b.find(g.PAGE_REGION).addClass("hidden");c.forEach(function(a){if(!0){a.removeClass("hidden")}})}).then(function(){d.publish(l+e.PAGES_SHOWN,h)}).fail(c.exception).always(function(){t.resolve();n.resolve()}).catch()};return{init:function init(b,c,f){b=a(b);d.subscribe(c+e.SHOW_PAGES,function(a){l(b,a,c,f)});d.subscribe(c+e.SET_ITEMS_PER_PAGE_LIMIT,function(){b.empty()})},rootSelector:g.ROOT}});
-//# sourceMappingURL=paged_content_pages.min.js.map
+/**
+ * Javascript for showing/hiding pages of content.
+ *
+ * @module     core/paged_content_pages
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/paged_content_pages",["jquery","core/templates","core/notification","core/pubsub","core/paged_content_events","core/pending"],(function($,Templates,Notification,PubSub,PagedContentEvents,Pending){var SELECTORS_PAGE_REGION='[data-region="paged-content-page"]',TEMPLATES_PAGING_CONTENT_ITEM="core/paged_content_page",TEMPLATES_LOADING="core/overlay_loading",findPage=function(root,pageNumber){return root.find('[data-page="'+pageNumber+'"]')},showPages=function(root,pagesData,id,renderPagesContentCallback){var pendingPromise=new Pending("core/paged_content_pages:showPages"),existingPages=[],newPageData=[],newPagesPromise=$.Deferred();if(pagesData.forEach((function(pageData){var pageNumber=pageData.pageNumber,existingPage=findPage(root,pageNumber);existingPage.length?existingPages.push(existingPage):newPageData.push(pageData)})),newPageData.length&&"function"==typeof renderPagesContentCallback){var renderPagePromises=renderPagesContentCallback(newPageData,{allItemsLoaded:function(lastPageNumber){PubSub.publish(id+PagedContentEvents.ALL_ITEMS_LOADED,lastPageNumber)}}).map((function(promise,index){return function(root,pagePromise,pageNumber){var deferred=$.Deferred();return pagePromise.then((function(html,pageJS){pageJS=pageJS||"",Templates.render(TEMPLATES_PAGING_CONTENT_ITEM,{page:pageNumber,content:html}).then((function(html){Templates.appendNodeContents(root,html,pageJS);var page=findPage(root,pageNumber);deferred.resolve(page)})).fail((function(exception){deferred.reject(exception)})).fail(Notification.exception)})).fail((function(exception){deferred.reject(exception)})).fail(Notification.exception),deferred.promise()}(root,promise,newPageData[index].pageNumber)}));$.when.apply($,renderPagePromises).then((function(){var newPages=Array.prototype.slice.call(arguments);newPagesPromise.resolve(newPages)})).fail((function(exception){newPagesPromise.reject(exception)})).fail(Notification.exception)}else newPagesPromise.resolve([]);var loadingPromise=function(root){var deferred=$.Deferred();root.attr("aria-busy",!0);var pendingPromise=new Pending("core/paged_content_pages:startLoading");return Templates.render(TEMPLATES_LOADING,{visible:!0}).then((function(html){var loadingSpinner=$(html),timerId=setTimeout((function(){root.css("position","relative"),loadingSpinner.appendTo(root)}),300);deferred.always((function(){clearTimeout(timerId),loadingSpinner.remove(),root.css("position",""),root.removeAttr("aria-busy"),pendingPromise.resolve()}))})).fail(Notification.exception),deferred}(root);newPagesPromise.then((function(newPages){var pagesToShow=existingPages.concat(newPages);root.find(SELECTORS_PAGE_REGION).addClass("hidden"),pagesToShow.forEach((function(page){page.removeClass("hidden")}))})).then((function(){PubSub.publish(id+PagedContentEvents.PAGES_SHOWN,pagesData)})).fail(Notification.exception).always((function(){loadingPromise.resolve(),pendingPromise.resolve()})).catch()};return{init:function(root,id,renderPagesContentCallback){root=$(root),PubSub.subscribe(id+PagedContentEvents.SHOW_PAGES,(function(pagesData){showPages(root,pagesData,id,renderPagesContentCallback)})),PubSub.subscribe(id+PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT,(function(){root.empty()}))},rootSelector:'[data-region="page-container"]'}}));
+
+//# sourceMappingURL=paged_content_pages.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_pages.min.js.map b/lib/amd/build/paged_content_pages.min.js.map
index 949523e2be7..4bbe6dc904b 100644
--- a/lib/amd/build/paged_content_pages.min.js.map
+++ b/lib/amd/build/paged_content_pages.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript for showing/hiding pages of content.\n *\n * @module     core/paged_content_pages\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'core/pubsub',\n        'core/paged_content_events',\n        'core/pending',\n    ],\n    function(\n        $,\n        Templates,\n        Notification,\n        PubSub,\n        PagedContentEvents,\n        Pending\n    ) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"page-container\"]',\n        PAGE_REGION: '[data-region=\"paged-content-page\"]',\n        ACTIVE_PAGE_REGION: '[data-region=\"paged-content-page\"].active'\n    };\n\n    var TEMPLATES = {\n        PAGING_CONTENT_ITEM: 'core/paged_content_page',\n        LOADING: 'core/overlay_loading'\n    };\n\n    var PRELOADING_GRACE_PERIOD = 300;\n\n    /**\n     * Find a page by the number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The number of the page to be found.\n     * @returns {jQuery} The page.\n     */\n    var findPage = function(root, pageNumber) {\n        return root.find('[data-page=\"' + pageNumber + '\"]');\n    };\n\n    /**\n     * Show the loading spinner until the returned deferred is resolved by the\n     * calling code.\n     *\n     * The loading spinner is only rendered after a short grace period to avoid\n     * having it flash up briefly in the interface.\n     *\n     * @param {object} root The root element.\n     * @returns {promise} The page.\n     */\n    var startLoading = function(root) {\n        var deferred = $.Deferred();\n        root.attr('aria-busy', true);\n\n        var pendingPromise = new Pending('core/paged_content_pages:startLoading');\n\n        Templates.render(TEMPLATES.LOADING, {visible: true})\n            .then(function(html) {\n                var loadingSpinner = $(html);\n                // Put this in a timer to give the calling code 300 milliseconds\n                // to render the content before we show the loading spinner. This\n                // helps prevent a loading icon flicker on close to instant\n                // rendering.\n                var timerId = setTimeout(function() {\n                    root.css('position', 'relative');\n                    loadingSpinner.appendTo(root);\n                }, PRELOADING_GRACE_PERIOD);\n\n                deferred.always(function() {\n                    clearTimeout(timerId);\n                    // Remove the loading spinner when our deferred is resolved\n                    // by the calling code.\n                    loadingSpinner.remove();\n                    root.css('position', '');\n                    root.removeAttr('aria-busy');\n\n                    pendingPromise.resolve();\n                    return;\n                });\n\n                return;\n            })\n            .fail(Notification.exception);\n\n        return deferred;\n    };\n\n    /**\n     * Render the result of the page promise in a paged content page.\n     *\n     * This function returns a promise that is resolved with the new paged content\n     * page.\n     *\n     * @param {object} root The root element.\n     * @param {promise} pagePromise The promise resolved with HTML and JS to render in the page.\n     * @param {Number} pageNumber The page number.\n     * @returns {promise} The page.\n     */\n    var renderPagePromise = function(root, pagePromise, pageNumber) {\n        var deferred = $.Deferred();\n        pagePromise.then(function(html, pageJS) {\n            pageJS = pageJS || '';\n            // When we get the contents to be rendered we can pass it in as the\n            // content for a new page.\n            Templates.render(TEMPLATES.PAGING_CONTENT_ITEM, {\n                page: pageNumber,\n                content: html\n            })\n            .then(function(html) {\n                // Make sure the JS we got from the page promise is being added\n                // to the page when we render the page.\n                Templates.appendNodeContents(root, html, pageJS);\n                var page = findPage(root, pageNumber);\n                deferred.resolve(page);\n                return;\n            })\n            .fail(function(exception) {\n                deferred.reject(exception);\n            })\n            .fail(Notification.exception);\n\n            return;\n        })\n        .fail(function(exception) {\n            deferred.reject(exception);\n            return;\n        })\n        .fail(Notification.exception);\n\n        return deferred.promise();\n    };\n\n    /**\n     * Make one or more pages visible based on the SHOW_PAGES event. The show\n     * pages event provides data containing which pages should be shown as well\n     * as the limit and offset values for loading the items for each of those pages.\n     *\n     * The renderPagesContentCallback is provided this list of data to know which\n     * pages to load. E.g. the data to load 2 pages might look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 5,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 5,\n     *          offset: 5\n     *      }\n     * ]\n     *\n     * The renderPagesContentCallback should return an array of promises, one for\n     * each page in the pages data, that is resolved with the HTML and JS for that page.\n     *\n     * If the renderPagesContentCallback is not provided then it is assumed that\n     * all pages have been rendered prior to initialising this module.\n     *\n     * This function triggers the PAGES_SHOWN event after the pages have been rendered.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pagesData The data for which pages need to be visible.\n     * @param {string} id A unique id for this instance.\n     * @param {function} renderPagesContentCallback Render pages content.\n     */\n    var showPages = function(root, pagesData, id, renderPagesContentCallback) {\n        var pendingPromise = new Pending('core/paged_content_pages:showPages');\n        var existingPages = [];\n        var newPageData = [];\n        var newPagesPromise = $.Deferred();\n        var shownewpage = true;\n        // Check which of the pages being requests have previously been rendered\n        // so that we only ask for new pages to be rendered by the callback.\n        pagesData.forEach(function(pageData) {\n            var pageNumber = pageData.pageNumber;\n            var existingPage = findPage(root, pageNumber);\n            if (existingPage.length) {\n                existingPages.push(existingPage);\n            } else {\n                newPageData.push(pageData);\n            }\n        });\n\n        if (newPageData.length && typeof renderPagesContentCallback === 'function') {\n            // If we have pages we haven't previously seen then ask the client code\n            // to render them for us by calling the callback.\n            var promises = renderPagesContentCallback(newPageData, {\n                allItemsLoaded: function(lastPageNumber) {\n                    PubSub.publish(id + PagedContentEvents.ALL_ITEMS_LOADED, lastPageNumber);\n                }\n            });\n            // After the client has finished rendering each of the pages being asked\n            // for then begin our rendering process to put that content into paged\n            // content pages.\n            var renderPagePromises = promises.map(function(promise, index) {\n                // Create our promise for when our rendering will be completed.\n                return renderPagePromise(root, promise, newPageData[index].pageNumber);\n            });\n            // After each of our rendering promises have been completed then we can\n            // give all of the new pages to the next bit of code for handling.\n            $.when.apply($, renderPagePromises)\n                .then(function() {\n                    var newPages = Array.prototype.slice.call(arguments);\n                    // Resolve the promise with the list of newly rendered pages.\n                    newPagesPromise.resolve(newPages);\n                    return;\n                })\n                .fail(function(exception) {\n                    newPagesPromise.reject(exception);\n                    return;\n                })\n                .fail(Notification.exception);\n        } else {\n            // If there aren't any pages to load then immediately resolve the promise.\n            newPagesPromise.resolve([]);\n        }\n\n        var loadingPromise = startLoading(root);\n        newPagesPromise.then(function(newPages) {\n            // Once all of the new pages have been created then add them to any\n            // existing pages we have.\n            var pagesToShow = existingPages.concat(newPages);\n            // Hide all existing pages.\n            root.find(SELECTORS.PAGE_REGION).addClass('hidden');\n            // Show each of the pages that were requested.;\n            pagesToShow.forEach(function(page) {\n                if (shownewpage) {\n                    page.removeClass('hidden');\n                }\n            });\n\n            return;\n        })\n        .then(function() {\n            // Let everything else know we've displayed the pages.\n            PubSub.publish(id + PagedContentEvents.PAGES_SHOWN, pagesData);\n            return;\n        })\n        .fail(Notification.exception)\n        .always(function() {\n            loadingPromise.resolve();\n            pendingPromise.resolve();\n        })\n        .catch();\n    };\n\n    /**\n     * Initialise the module to listen for SHOW_PAGES events and render the\n     * appropriate pages using the provided renderPagesContentCallback function.\n     *\n     * The renderPagesContentCallback is provided a list of data to know which\n     * pages to load.\n     * E.g. the data to load 2 pages might look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 5,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 5,\n     *          offset: 5\n     *      }\n     * ]\n     *\n     * The renderPagesContentCallback should return an array of promises, one for\n     * each page in the pages data, that is resolved with the HTML and JS for that page.\n     *\n     * If the renderPagesContentCallback is not provided then it is assumed that\n     * all pages have been rendered prior to initialising this module.\n     *\n     * The event element is the element to listen for the paged content events on.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A unique id for this instance.\n     * @param {function} renderPagesContentCallback Render pages content.\n     */\n    var init = function(root, id, renderPagesContentCallback) {\n        root = $(root);\n\n        PubSub.subscribe(id + PagedContentEvents.SHOW_PAGES, function(pagesData) {\n            showPages(root, pagesData, id, renderPagesContentCallback);\n        });\n\n        PubSub.subscribe(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, function() {\n            // If the items per page limit was changed then we need to clear our content\n            // the load new values based on the new limit.\n            root.empty();\n        });\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"file":"paged_content_pages.min.js"}
\ No newline at end of file
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If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript for showing/hiding pages of content.\n *\n * @module     core/paged_content_pages\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'core/pubsub',\n        'core/paged_content_events',\n        'core/pending',\n    ],\n    function(\n        $,\n        Templates,\n        Notification,\n        PubSub,\n        PagedContentEvents,\n        Pending\n    ) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"page-container\"]',\n        PAGE_REGION: '[data-region=\"paged-content-page\"]',\n        ACTIVE_PAGE_REGION: '[data-region=\"paged-content-page\"].active'\n    };\n\n    var TEMPLATES = {\n        PAGING_CONTENT_ITEM: 'core/paged_content_page',\n        LOADING: 'core/overlay_loading'\n    };\n\n    var PRELOADING_GRACE_PERIOD = 300;\n\n    /**\n     * Find a page by the number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The number of the page to be found.\n     * @returns {jQuery} The page.\n     */\n    var findPage = function(root, pageNumber) {\n        return root.find('[data-page=\"' + pageNumber + '\"]');\n    };\n\n    /**\n     * Show the loading spinner until the returned deferred is resolved by the\n     * calling code.\n     *\n     * The loading spinner is only rendered after a short grace period to avoid\n     * having it flash up briefly in the interface.\n     *\n     * @param {object} root The root element.\n     * @returns {promise} The page.\n     */\n    var startLoading = function(root) {\n        var deferred = $.Deferred();\n        root.attr('aria-busy', true);\n\n        var pendingPromise = new Pending('core/paged_content_pages:startLoading');\n\n        Templates.render(TEMPLATES.LOADING, {visible: true})\n            .then(function(html) {\n                var loadingSpinner = $(html);\n                // Put this in a timer to give the calling code 300 milliseconds\n                // to render the content before we show the loading spinner. This\n                // helps prevent a loading icon flicker on close to instant\n                // rendering.\n                var timerId = setTimeout(function() {\n                    root.css('position', 'relative');\n                    loadingSpinner.appendTo(root);\n                }, PRELOADING_GRACE_PERIOD);\n\n                deferred.always(function() {\n                    clearTimeout(timerId);\n                    // Remove the loading spinner when our deferred is resolved\n                    // by the calling code.\n                    loadingSpinner.remove();\n                    root.css('position', '');\n                    root.removeAttr('aria-busy');\n\n                    pendingPromise.resolve();\n                    return;\n                });\n\n                return;\n            })\n            .fail(Notification.exception);\n\n        return deferred;\n    };\n\n    /**\n     * Render the result of the page promise in a paged content page.\n     *\n     * This function returns a promise that is resolved with the new paged content\n     * page.\n     *\n     * @param {object} root The root element.\n     * @param {promise} pagePromise The promise resolved with HTML and JS to render in the page.\n     * @param {Number} pageNumber The page number.\n     * @returns {promise} The page.\n     */\n    var renderPagePromise = function(root, pagePromise, pageNumber) {\n        var deferred = $.Deferred();\n        pagePromise.then(function(html, pageJS) {\n            pageJS = pageJS || '';\n            // When we get the contents to be rendered we can pass it in as the\n            // content for a new page.\n            Templates.render(TEMPLATES.PAGING_CONTENT_ITEM, {\n                page: pageNumber,\n                content: html\n            })\n            .then(function(html) {\n                // Make sure the JS we got from the page promise is being added\n                // to the page when we render the page.\n                Templates.appendNodeContents(root, html, pageJS);\n                var page = findPage(root, pageNumber);\n                deferred.resolve(page);\n                return;\n            })\n            .fail(function(exception) {\n                deferred.reject(exception);\n            })\n            .fail(Notification.exception);\n\n            return;\n        })\n        .fail(function(exception) {\n            deferred.reject(exception);\n            return;\n        })\n        .fail(Notification.exception);\n\n        return deferred.promise();\n    };\n\n    /**\n     * Make one or more pages visible based on the SHOW_PAGES event. The show\n     * pages event provides data containing which pages should be shown as well\n     * as the limit and offset values for loading the items for each of those pages.\n     *\n     * The renderPagesContentCallback is provided this list of data to know which\n     * pages to load. E.g. the data to load 2 pages might look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 5,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 5,\n     *          offset: 5\n     *      }\n     * ]\n     *\n     * The renderPagesContentCallback should return an array of promises, one for\n     * each page in the pages data, that is resolved with the HTML and JS for that page.\n     *\n     * If the renderPagesContentCallback is not provided then it is assumed that\n     * all pages have been rendered prior to initialising this module.\n     *\n     * This function triggers the PAGES_SHOWN event after the pages have been rendered.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pagesData The data for which pages need to be visible.\n     * @param {string} id A unique id for this instance.\n     * @param {function} renderPagesContentCallback Render pages content.\n     */\n    var showPages = function(root, pagesData, id, renderPagesContentCallback) {\n        var pendingPromise = new Pending('core/paged_content_pages:showPages');\n        var existingPages = [];\n        var newPageData = [];\n        var newPagesPromise = $.Deferred();\n        var shownewpage = true;\n        // Check which of the pages being requests have previously been rendered\n        // so that we only ask for new pages to be rendered by the callback.\n        pagesData.forEach(function(pageData) {\n            var pageNumber = pageData.pageNumber;\n            var existingPage = findPage(root, pageNumber);\n            if (existingPage.length) {\n                existingPages.push(existingPage);\n            } else {\n                newPageData.push(pageData);\n            }\n        });\n\n        if (newPageData.length && typeof renderPagesContentCallback === 'function') {\n            // If we have pages we haven't previously seen then ask the client code\n            // to render them for us by calling the callback.\n            var promises = renderPagesContentCallback(newPageData, {\n                allItemsLoaded: function(lastPageNumber) {\n                    PubSub.publish(id + PagedContentEvents.ALL_ITEMS_LOADED, lastPageNumber);\n                }\n            });\n            // After the client has finished rendering each of the pages being asked\n            // for then begin our rendering process to put that content into paged\n            // content pages.\n            var renderPagePromises = promises.map(function(promise, index) {\n                // Create our promise for when our rendering will be completed.\n                return renderPagePromise(root, promise, newPageData[index].pageNumber);\n            });\n            // After each of our rendering promises have been completed then we can\n            // give all of the new pages to the next bit of code for handling.\n            $.when.apply($, renderPagePromises)\n                .then(function() {\n                    var newPages = Array.prototype.slice.call(arguments);\n                    // Resolve the promise with the list of newly rendered pages.\n                    newPagesPromise.resolve(newPages);\n                    return;\n                })\n                .fail(function(exception) {\n                    newPagesPromise.reject(exception);\n                    return;\n                })\n                .fail(Notification.exception);\n        } else {\n            // If there aren't any pages to load then immediately resolve the promise.\n            newPagesPromise.resolve([]);\n        }\n\n        var loadingPromise = startLoading(root);\n        newPagesPromise.then(function(newPages) {\n            // Once all of the new pages have been created then add them to any\n            // existing pages we have.\n            var pagesToShow = existingPages.concat(newPages);\n            // Hide all existing pages.\n            root.find(SELECTORS.PAGE_REGION).addClass('hidden');\n            // Show each of the pages that were requested.;\n            pagesToShow.forEach(function(page) {\n                if (shownewpage) {\n                    page.removeClass('hidden');\n                }\n            });\n\n            return;\n        })\n        .then(function() {\n            // Let everything else know we've displayed the pages.\n            PubSub.publish(id + PagedContentEvents.PAGES_SHOWN, pagesData);\n            return;\n        })\n        .fail(Notification.exception)\n        .always(function() {\n            loadingPromise.resolve();\n            pendingPromise.resolve();\n        })\n        .catch();\n    };\n\n    /**\n     * Initialise the module to listen for SHOW_PAGES events and render the\n     * appropriate pages using the provided renderPagesContentCallback function.\n     *\n     * The renderPagesContentCallback is provided a list of data to know which\n     * pages to load.\n     * E.g. the data to load 2 pages might look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 5,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 5,\n     *          offset: 5\n     *      }\n     * ]\n     *\n     * The renderPagesContentCallback should return an array of promises, one for\n     * each page in the pages data, that is resolved with the HTML and JS for that page.\n     *\n     * If the renderPagesContentCallback is not provided then it is assumed that\n     * all pages have been rendered prior to initialising this module.\n     *\n     * The event element is the element to listen for the paged content events on.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A unique id for this instance.\n     * @param {function} renderPagesContentCallback Render pages content.\n     */\n    var init = function(root, id, renderPagesContentCallback) {\n        root = $(root);\n\n        PubSub.subscribe(id + PagedContentEvents.SHOW_PAGES, function(pagesData) {\n            showPages(root, pagesData, id, renderPagesContentCallback);\n        });\n\n        PubSub.subscribe(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, function() {\n            // If the items per page limit was changed then we need to clear our content\n            // the load new values based on the new limit.\n            root.empty();\n        });\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"names":["define","$","Templates","Notification","PubSub","PagedContentEvents","Pending","SELECTORS","TEMPLATES","findPage","root","pageNumber","find","showPages","pagesData","id","renderPagesContentCallback","pendingPromise","existingPages","newPageData","newPagesPromise","Deferred","forEach","pageData","existingPage","length","push","renderPagePromises","allItemsLoaded","lastPageNumber","publish","ALL_ITEMS_LOADED","map","promise","index","pagePromise","deferred","then","html","pageJS","render","page","content","appendNodeContents","resolve","fail","exception","reject","renderPagePromise","when","apply","newPages","Array","prototype","slice","call","arguments","loadingPromise","attr","visible","loadingSpinner","timerId","setTimeout","css","appendTo","always","clearTimeout","remove","removeAttr","startLoading","pagesToShow","concat","addClass","removeClass","PAGES_SHOWN","catch","init","subscribe","SHOW_PAGES","SET_ITEMS_PER_PAGE_LIMIT","empty","rootSelector"],"mappings":";;;;;;;AAsBAA,kCACI,CACI,SACA,iBACA,oBACA,cACA,4BACA,iBAEJ,SACIC,EACAC,UACAC,aACAC,OACAC,mBACAC,aAGAC,sBAEa,qCAIbC,8BACqB,0BADrBA,kBAES,uBAYTC,SAAW,SAASC,KAAMC,mBACnBD,KAAKE,KAAK,eAAiBD,WAAa,OAgI/CE,UAAY,SAASH,KAAMI,UAAWC,GAAIC,gCACtCC,eAAiB,IAAIX,QAAQ,sCAC7BY,cAAgB,GAChBC,YAAc,GACdC,gBAAkBnB,EAAEoB,cAIxBP,UAAUQ,SAAQ,SAASC,cACnBZ,WAAaY,SAASZ,WACtBa,aAAef,SAASC,KAAMC,YAC9Ba,aAAaC,OACbP,cAAcQ,KAAKF,cAEnBL,YAAYO,KAAKH,aAIrBJ,YAAYM,QAAgD,mBAA/BT,2BAA2C,KAWpEW,mBARWX,2BAA2BG,YAAa,CACnDS,eAAgB,SAASC,gBACrBzB,OAAO0B,QAAQf,GAAKV,mBAAmB0B,iBAAkBF,mBAM/BG,KAAI,SAASC,QAASC,cAhGxC,SAASxB,KAAMyB,YAAaxB,gBAC5CyB,SAAWnC,EAAEoB,kBACjBc,YAAYE,MAAK,SAASC,KAAMC,QAC5BA,OAASA,QAAU,GAGnBrC,UAAUsC,OAAOhC,8BAA+B,CAC5CiC,KAAM9B,WACN+B,QAASJ,OAEZD,MAAK,SAASC,MAGXpC,UAAUyC,mBAAmBjC,KAAM4B,KAAMC,YACrCE,KAAOhC,SAASC,KAAMC,YAC1ByB,SAASQ,QAAQH,SAGpBI,MAAK,SAASC,WACXV,SAASW,OAAOD,cAEnBD,KAAK1C,aAAa2C,cAItBD,MAAK,SAASC,WACXV,SAASW,OAAOD,cAGnBD,KAAK1C,aAAa2C,WAEZV,SAASH,UAmEDe,CAAkBtC,KAAMuB,QAASd,YAAYe,OAAOvB,eAI/DV,EAAEgD,KAAKC,MAAMjD,EAAG0B,oBACXU,MAAK,eACEc,SAAWC,MAAMC,UAAUC,MAAMC,KAAKC,WAE1CpC,gBAAgBwB,QAAQO,aAG3BN,MAAK,SAASC,WACX1B,gBAAgB2B,OAAOD,cAG1BD,KAAK1C,aAAa2C,gBAGvB1B,gBAAgBwB,QAAQ,QAGxBa,eAvKW,SAAS/C,UACpB0B,SAAWnC,EAAEoB,WACjBX,KAAKgD,KAAK,aAAa,OAEnBzC,eAAiB,IAAIX,QAAQ,gDAEjCJ,UAAUsC,OAAOhC,kBAAmB,CAACmD,SAAS,IACzCtB,MAAK,SAASC,UACPsB,eAAiB3D,EAAEqC,MAKnBuB,QAAUC,YAAW,WACrBpD,KAAKqD,IAAI,WAAY,YACrBH,eAAeI,SAAStD,QAtCV,KAyClB0B,SAAS6B,QAAO,WACZC,aAAaL,SAGbD,eAAeO,SACfzD,KAAKqD,IAAI,WAAY,IACrBrD,KAAK0D,WAAW,aAEhBnD,eAAe2B,gBAMtBC,KAAK1C,aAAa2C,WAEhBV,SAqIciC,CAAa3D,MAClCU,gBAAgBiB,MAAK,SAASc,cAGtBmB,YAAcpD,cAAcqD,OAAOpB,UAEvCzC,KAAKE,KAAKL,uBAAuBiE,SAAS,UAE1CF,YAAYhD,SAAQ,SAASmB,MAErBA,KAAKgC,YAAY,gBAM5BpC,MAAK,WAEFjC,OAAO0B,QAAQf,GAAKV,mBAAmBqE,YAAa5D,cAGvD+B,KAAK1C,aAAa2C,WAClBmB,QAAO,WACJR,eAAeb,UACf3B,eAAe2B,aAElB+B,eAiDE,CACHC,KAfO,SAASlE,KAAMK,GAAIC,4BAC1BN,KAAOT,EAAES,MAETN,OAAOyE,UAAU9D,GAAKV,mBAAmByE,YAAY,SAAShE,WAC1DD,UAAUH,KAAMI,UAAWC,GAAIC,+BAGnCZ,OAAOyE,UAAU9D,GAAKV,mBAAmB0E,0BAA0B,WAG/DrE,KAAKsE,YAMTC,aArRM"}
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diff --git a/lib/amd/build/paged_content_paging_bar.min.js b/lib/amd/build/paged_content_paging_bar.min.js
index e93df0e9582..d876c1d041e 100644
--- a/lib/amd/build/paged_content_paging_bar.min.js
+++ b/lib/amd/build/paged_content_paging_bar.min.js
@@ -1,2 +1,10 @@
-define ("core/paged_content_paging_bar",["jquery","core/custom_interaction_events","core/paged_content_events","core/str","core/pubsub","core/pending"],function(a,b,c,d,e,f){var g={ROOT:"[data-region=\"paging-bar\"]",PAGE:"[data-page]",PAGE_ITEM:"[data-region=\"page-item\"]",PAGE_LINK:"[data-region=\"page-link\"]",FIRST_BUTTON:"[data-control=\"first\"]",LAST_BUTTON:"[data-control=\"last\"]",NEXT_BUTTON:"[data-control=\"next\"]",PREVIOUS_BUTTON:"[data-control=\"previous\"]",DOTS_BUTTONS:"[data-dots]",BEGINNING_DOTS_BUTTON:"[data-dots=\"beginning\"]",ENDING_DOTS_BUTTON:"[data-dots=\"ending\"]"},h=function(a,b){return a.find(g.PAGE_ITEM+"[data-page-number=\""+b+"\"]")},i=function(a){return a.find(g.NEXT_BUTTON)},j=function(a,b){a.attr("data-last-page-number",b)},k=function(a){return parseInt(a.attr("data-last-page-number"),10)},l=function(a){return parseInt(a.attr("data-active-page-number"),10)},m=function(a,b){a.attr("data-active-page-number",b)},n=function(a){var b=l(a);return!isNaN(b)&&0!=b},o=function(a,b){if(b.attr("data-page")!=void 0){return parseInt(b.attr("data-page-number"),10)}var c=1,d=null;switch(b.attr("data-control")){case"first":c=1;break;case"last":c=k(a);break;case"next":d=l(a);var e=k(a);if(!e){c=d+1}else if(d&&d<e){c=d+1}else{c=e}break;case"previous":d=l(a);if(d&&1<d){c=d-1}else{c=1}break;default:c=1;break;}return parseInt(c,10)},p=function(a){return parseInt(a.attr("data-items-per-page"),10)},q=function(a,b){a.attr("data-items-per-page",b)},r=function(a){a.removeClass("hidden")},s=function(a){a.addClass("hidden")},t=function(a){var b=a.find(g.NEXT_BUTTON),c=a.find(g.LAST_BUTTON);b.addClass("disabled");b.attr("aria-disabled",!0);c.addClass("disabled");c.attr("aria-disabled",!0)},u=function(a){var b=a.find(g.NEXT_BUTTON),c=a.find(g.LAST_BUTTON);b.removeClass("disabled");b.removeAttr("aria-disabled");c.removeClass("disabled");c.removeAttr("aria-disabled")},v=function(a){var b=a.find(g.PREVIOUS_BUTTON),c=a.find(g.FIRST_BUTTON);b.addClass("disabled");b.attr("aria-disabled",!0);c.addClass("disabled");c.attr("aria-disabled",!0)},w=function(b){var c=l(b),d=k(b),e=b.find(g.DOTS_BUTTONS),f=b.find(g.BEGINNING_DOTS_BUTTON),h=b.find(g.ENDING_DOTS_BUTTON),i=b.find(g.PAGE),j=parseInt(b.attr("data-bar-size"),10);if(j&&d>j){var m=Math.max(c-Math.round(j/2),1),n=m+j-1;if(n>=d){n=d;m=n-j+1}if(1<m){r(f);m++}else{s(f)}if(n<d){r(h);n--}else{s(h)}e.addClass("disabled");e.attr("aria-disabled",!0);s(i);i.each(function(b,c){c=a(c);if(b+1>=m&&b+1<=n){r(c)}})}else{s(e)}},x=function(a){var b=a.find(g.PREVIOUS_BUTTON),c=a.find(g.FIRST_BUTTON);b.removeClass("disabled");b.removeAttr("aria-disabled");c.removeClass("disabled");c.removeAttr("aria-disabled")},y=function(a){var b=a.attr("data-aria-label-components-pagination-item"),c=b.split(",").map(function(a){return a.trim()});return c},z=function(a){var b=a.attr("data-aria-label-components-pagination-active-item"),c=b.split(",").map(function(a){return a.trim()});return c},A=function(b,c){var d=0;m(b,0);c.each(function(c,e){var f=c+1;e=a(e);e.attr("data-page-number",f);d++;if(e.hasClass("active")){m(b,f)}});j(b,d)},B=function(b){var c=y(b),e=z(b),f=l(b),h=b.find(g.PAGE_ITEM),i=h.map(function(d,g){g=a(g);var h=o(b,g);if(h===f){return{key:e[0],component:e[1],param:h}}else{return{key:c[0],component:c[1],param:h}}});d.get_strings(i).then(function(b){h.each(function(c,d){d=a(d);var e=b[c];d.attr("aria-label",e);d.find(g.PAGE_LINK).attr("aria-label",e)});return b}).catch(function(){})},C=function(a,b,d){var i=new f("core/paged_content_paging_bar:showPage"),j=k(a),n=b==l(a),o=p(a);if(!n){a.find(g.PAGE_ITEM).removeClass("active").removeAttr("aria-current");var q=h(a,b);q.addClass("active");q.attr("aria-current",!0);m(a,b);w(a)}if(j&&b>=j){t(a)}else{u(a)}if(1<b){x(a)}else{v(a)}B(a);e.publish(d+c.SHOW_PAGES,[{pageNumber:b,limit:o,offset:(b-1)*o}]);i.resolve()},D=function(d,f){var h=d.attr("data-ignore-control-while-loading"),i=!1;if(""==h){h=!0}b.define(d,[b.events.activate]);d.on(b.events.activate,g.PAGE_ITEM,function(b,c){c.originalEvent.preventDefault();c.originalEvent.stopPropagation();if(h&&i){return}var e=a(b.target).closest(g.PAGE_ITEM);if(!e.hasClass("disabled")){var j=o(d,e);C(d,j,f);i=!0}});e.subscribe(f+c.ALL_ITEMS_LOADED,function(a){i=!1;var b=k(d);if(!b||a<b){j(d,a)}if(1===a&&d.attr("data-hide-control-on-single-page")){s(d);t(d);v(d)}else{r(d);t(d)}});e.subscribe(f+c.PAGES_SHOWN,function(){i=!1});e.subscribe(f+c.SET_ITEMS_PER_PAGE_LIMIT,function(a){q(d,a);j(d,0);m(d,0);r(d);C(d,1,f)})};return{init:function init(b,c){b=a(b);var d=b.find(g.PAGE);A(b,d);D(b,c);if(n(b)){var e=l(b);h(b,e).click();if(1==e){v(b)}}else{i(b).click()}w(b)},disableNextControlButtons:t,enableNextControlButtons:u,disablePreviousControlButtons:v,enablePreviousControlButtons:x,showPage:C,rootSelector:g.ROOT}});
-//# sourceMappingURL=paged_content_paging_bar.min.js.map
+/**
+ * Javascript to enhance the paged content paging bar.
+ *
+ * @module     core/paging_bar
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/paged_content_paging_bar",["jquery","core/custom_interaction_events","core/paged_content_events","core/str","core/pubsub","core/pending"],(function($,CustomEvents,PagedContentEvents,Str,PubSub,Pending){var SELECTORS_PAGE="[data-page]",SELECTORS_PAGE_ITEM='[data-region="page-item"]',SELECTORS_PAGE_LINK='[data-region="page-link"]',SELECTORS_FIRST_BUTTON='[data-control="first"]',SELECTORS_LAST_BUTTON='[data-control="last"]',SELECTORS_NEXT_BUTTON='[data-control="next"]',SELECTORS_PREVIOUS_BUTTON='[data-control="previous"]',SELECTORS_DOTS_BUTTONS="[data-dots]",SELECTORS_BEGINNING_DOTS_BUTTON='[data-dots="beginning"]',SELECTORS_ENDING_DOTS_BUTTON='[data-dots="ending"]',getPageByNumber=function(root,pageNumber){return root.find(SELECTORS_PAGE_ITEM+'[data-page-number="'+pageNumber+'"]')},setLastPageNumber=function(root,number){root.attr("data-last-page-number",number)},getLastPageNumber=function(root){return parseInt(root.attr("data-last-page-number"),10)},getActivePageNumber=function(root){return parseInt(root.attr("data-active-page-number"),10)},setActivePageNumber=function(root,number){root.attr("data-active-page-number",number)},getPageNumber=function(root,page){if(null!=page.attr("data-page"))return parseInt(page.attr("data-page-number"),10);var pageNumber=1,activePageNumber=null;switch(page.attr("data-control")){case"first":default:pageNumber=1;break;case"last":pageNumber=getLastPageNumber(root);break;case"next":activePageNumber=getActivePageNumber(root);var lastPage=getLastPageNumber(root);pageNumber=lastPage?activePageNumber&&activePageNumber<lastPage?activePageNumber+1:lastPage:activePageNumber+1;break;case"previous":pageNumber=(activePageNumber=getActivePageNumber(root))&&activePageNumber>1?activePageNumber-1:1}return parseInt(pageNumber,10)},show=function(root){root.removeClass("hidden")},hide=function(root){root.addClass("hidden")},disableNextControlButtons=function(root){var nextButton=root.find(SELECTORS_NEXT_BUTTON),lastButton=root.find(SELECTORS_LAST_BUTTON);nextButton.addClass("disabled"),nextButton.attr("aria-disabled",!0),lastButton.addClass("disabled"),lastButton.attr("aria-disabled",!0)},enableNextControlButtons=function(root){var nextButton=root.find(SELECTORS_NEXT_BUTTON),lastButton=root.find(SELECTORS_LAST_BUTTON);nextButton.removeClass("disabled"),nextButton.removeAttr("aria-disabled"),lastButton.removeClass("disabled"),lastButton.removeAttr("aria-disabled")},disablePreviousControlButtons=function(root){var previousButton=root.find(SELECTORS_PREVIOUS_BUTTON),firstButton=root.find(SELECTORS_FIRST_BUTTON);previousButton.addClass("disabled"),previousButton.attr("aria-disabled",!0),firstButton.addClass("disabled"),firstButton.attr("aria-disabled",!0)},adjustPagingBarSize=function(root){var activePageNumber=getActivePageNumber(root),lastPageNumber=getLastPageNumber(root),dotsButtons=root.find(SELECTORS_DOTS_BUTTONS),beginningDotsButton=root.find(SELECTORS_BEGINNING_DOTS_BUTTON),endingDotsButton=root.find(SELECTORS_ENDING_DOTS_BUTTON),pages=root.find(SELECTORS_PAGE),barSize=parseInt(root.attr("data-bar-size"),10);if(barSize&&lastPageNumber>barSize){var minpage=Math.max(activePageNumber-Math.round(barSize/2),1),maxpage=minpage+barSize-1;maxpage>=lastPageNumber&&(minpage=(maxpage=lastPageNumber)-barSize+1),minpage>1?(show(beginningDotsButton),minpage++):hide(beginningDotsButton),maxpage<lastPageNumber?(show(endingDotsButton),maxpage--):hide(endingDotsButton),dotsButtons.addClass("disabled"),dotsButtons.attr("aria-disabled",!0),hide(pages),pages.each((function(index,page){page=$(page),index+1>=minpage&&index+1<=maxpage&&show(page)}))}else hide(dotsButtons)},enablePreviousControlButtons=function(root){var previousButton=root.find(SELECTORS_PREVIOUS_BUTTON),firstButton=root.find(SELECTORS_FIRST_BUTTON);previousButton.removeClass("disabled"),previousButton.removeAttr("aria-disabled"),firstButton.removeClass("disabled"),firstButton.removeAttr("aria-disabled")},showPage=function(root,pageNumber,id){var pendingPromise=new Pending("core/paged_content_paging_bar:showPage"),lastPageNumber=getLastPageNumber(root),isSamePage=pageNumber==getActivePageNumber(root),limit=function(root){return parseInt(root.attr("data-items-per-page"),10)}(root),offset=(pageNumber-1)*limit;if(!isSamePage){root.find(SELECTORS_PAGE_ITEM).removeClass("active").removeAttr("aria-current");var page=getPageByNumber(root,pageNumber);page.addClass("active"),page.attr("aria-current",!0),setActivePageNumber(root,pageNumber),adjustPagingBarSize(root)}lastPageNumber&&pageNumber>=lastPageNumber?disableNextControlButtons(root):enableNextControlButtons(root),pageNumber>1?enablePreviousControlButtons(root):disablePreviousControlButtons(root),function(root){var pageAriaLabelComponents=function(root){return root.attr("data-aria-label-components-pagination-item").split(",").map((function(component){return component.trim()}))}(root),activePageAriaLabelComponents=function(root){return root.attr("data-aria-label-components-pagination-active-item").split(",").map((function(component){return component.trim()}))}(root),activePageNumber=getActivePageNumber(root),pageItems=root.find(SELECTORS_PAGE_ITEM),stringRequests=pageItems.map((function(index,page){page=$(page);var pageNumber=getPageNumber(root,page);return pageNumber===activePageNumber?{key:activePageAriaLabelComponents[0],component:activePageAriaLabelComponents[1],param:pageNumber}:{key:pageAriaLabelComponents[0],component:pageAriaLabelComponents[1],param:pageNumber}}));Str.get_strings(stringRequests).then((function(strings){return pageItems.each((function(index,page){page=$(page);var string=strings[index];page.attr("aria-label",string),page.find(SELECTORS_PAGE_LINK).attr("aria-label",string)})),strings})).catch((function(){}))}(root),PubSub.publish(id+PagedContentEvents.SHOW_PAGES,[{pageNumber:pageNumber,limit:limit,offset:offset}]),pendingPromise.resolve()};return{init:function(root,id){var pages=(root=$(root)).find(SELECTORS_PAGE);if(function(root,items){var lastPageNumber=0;setActivePageNumber(root,0),items.each((function(index,item){var pageNumber=index+1;(item=$(item)).attr("data-page-number",pageNumber),lastPageNumber++,item.hasClass("active")&&setActivePageNumber(root,pageNumber)})),setLastPageNumber(root,lastPageNumber)}(root,pages),function(root,id){var ignoreControlWhileLoading=root.attr("data-ignore-control-while-loading"),loading=!1;""==ignoreControlWhileLoading&&(ignoreControlWhileLoading=!0),CustomEvents.define(root,[CustomEvents.events.activate]),root.on(CustomEvents.events.activate,SELECTORS_PAGE_ITEM,(function(e,data){if(data.originalEvent.preventDefault(),data.originalEvent.stopPropagation(),!ignoreControlWhileLoading||!loading){var page=$(e.target).closest(SELECTORS_PAGE_ITEM);if(!page.hasClass("disabled")){var pageNumber=getPageNumber(root,page);showPage(root,pageNumber,id),loading=!0}}})),PubSub.subscribe(id+PagedContentEvents.ALL_ITEMS_LOADED,(function(pageNumber){loading=!1;var currentLastPage=getLastPageNumber(root);(!currentLastPage||pageNumber<currentLastPage)&&setLastPageNumber(root,pageNumber),1===pageNumber&&root.attr("data-hide-control-on-single-page")?(hide(root),disableNextControlButtons(root),disablePreviousControlButtons(root)):(show(root),disableNextControlButtons(root))})),PubSub.subscribe(id+PagedContentEvents.PAGES_SHOWN,(function(){loading=!1})),PubSub.subscribe(id+PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT,(function(limit){!function(root,limit){root.attr("data-items-per-page",limit)}(root,limit),setLastPageNumber(root,0),setActivePageNumber(root,0),show(root),showPage(root,1,id)}))}(root,id),function(root){var number=getActivePageNumber(root);return!isNaN(number)&&0!=number}(root)){var activePageNumber=getActivePageNumber(root);getPageByNumber(root,activePageNumber).click(),1==activePageNumber&&disablePreviousControlButtons(root)}else(function(root){return root.find(SELECTORS_NEXT_BUTTON)})(root).click();adjustPagingBarSize(root)},disableNextControlButtons:disableNextControlButtons,enableNextControlButtons:enableNextControlButtons,disablePreviousControlButtons:disablePreviousControlButtons,enablePreviousControlButtons:enablePreviousControlButtons,showPage:showPage,rootSelector:'[data-region="paging-bar"]'}}));
+
+//# sourceMappingURL=paged_content_paging_bar.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_paging_bar.min.js.map b/lib/amd/build/paged_content_paging_bar.min.js.map
index 32e8f9e09ba..9ff72f0de02 100644
--- a/lib/amd/build/paged_content_paging_bar.min.js.map
+++ b/lib/amd/build/paged_content_paging_bar.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to enhance the paged content paging bar.\n *\n * @module     core/paging_bar\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/custom_interaction_events',\n    'core/paged_content_events',\n    'core/str',\n    'core/pubsub',\n    'core/pending',\n],\nfunction(\n    $,\n    CustomEvents,\n    PagedContentEvents,\n    Str,\n    PubSub,\n    Pending\n) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"paging-bar\"]',\n        PAGE: '[data-page]',\n        PAGE_ITEM: '[data-region=\"page-item\"]',\n        PAGE_LINK: '[data-region=\"page-link\"]',\n        FIRST_BUTTON: '[data-control=\"first\"]',\n        LAST_BUTTON: '[data-control=\"last\"]',\n        NEXT_BUTTON: '[data-control=\"next\"]',\n        PREVIOUS_BUTTON: '[data-control=\"previous\"]',\n        DOTS_BUTTONS: '[data-dots]',\n        BEGINNING_DOTS_BUTTON: '[data-dots=\"beginning\"]',\n        ENDING_DOTS_BUTTON: '[data-dots=\"ending\"]',\n    };\n\n    /**\n     * Get the page element by number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The page number.\n     * @return {jQuery}\n     */\n    var getPageByNumber = function(root, pageNumber) {\n        return root.find(SELECTORS.PAGE_ITEM + '[data-page-number=\"' + pageNumber + '\"]');\n    };\n\n    /**\n     * Get the next button element.\n     *\n     * @param {object} root The root element.\n     * @return {jQuery}\n     */\n    var getNextButton = function(root) {\n        return root.find(SELECTORS.NEXT_BUTTON);\n    };\n\n    /**\n     * Set the last page number after which no more pages\n     * should be loaded.\n     *\n     * @param {object} root The root element.\n     * @param {Number} number Page number.\n     */\n    var setLastPageNumber = function(root, number) {\n        root.attr('data-last-page-number', number);\n    };\n\n    /**\n     * Get the last page number.\n     *\n     * @param {object} root The root element.\n     * @return {Number}\n     */\n    var getLastPageNumber = function(root) {\n        return parseInt(root.attr('data-last-page-number'), 10);\n    };\n\n    /**\n     * Get the active page number.\n     *\n     * @param {object} root The root element.\n     * @returns {Number} The page number\n     */\n    var getActivePageNumber = function(root) {\n        return parseInt(root.attr('data-active-page-number'), 10);\n    };\n\n    /**\n     * Set the active page number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} number Page number.\n     */\n    var setActivePageNumber = function(root, number) {\n        root.attr('data-active-page-number', number);\n    };\n\n    /**\n     * Check if there is an active page number.\n     *\n     * @param {object} root The root element.\n     * @returns {bool}\n     */\n    var hasActivePageNumber = function(root) {\n        var number = getActivePageNumber(root);\n        return !isNaN(number) && number != 0;\n    };\n\n    /**\n     * Get the page number for a given page.\n     *\n     * @param {object} root The root element.\n     * @param {object} page The page element.\n     * @returns {Number} The page number\n     */\n    var getPageNumber = function(root, page) {\n        if (page.attr('data-page') != undefined) {\n            // If it's an actual page then we can just use the page number\n            // attribute.\n            return parseInt(page.attr('data-page-number'), 10);\n        }\n\n        var pageNumber = 1;\n        var activePageNumber = null;\n\n        switch (page.attr('data-control')) {\n            case 'first':\n                pageNumber = 1;\n                break;\n\n            case 'last':\n                pageNumber = getLastPageNumber(root);\n                break;\n\n            case 'next':\n                activePageNumber = getActivePageNumber(root);\n                var lastPage = getLastPageNumber(root);\n                if (!lastPage) {\n                    pageNumber = activePageNumber + 1;\n                } else if (activePageNumber && activePageNumber < lastPage) {\n                    pageNumber = activePageNumber + 1;\n                } else {\n                    pageNumber = lastPage;\n                }\n                break;\n\n            case 'previous':\n                activePageNumber = getActivePageNumber(root);\n                if (activePageNumber && activePageNumber > 1) {\n                    pageNumber = activePageNumber - 1;\n                } else {\n                    pageNumber = 1;\n                }\n                break;\n\n            default:\n                pageNumber = 1;\n                break;\n        }\n\n        // Make sure we return an int not a string.\n        return parseInt(pageNumber, 10);\n    };\n\n    /**\n     * Get the limit of items for each page.\n     *\n     * @param {object} root The root element.\n     * @returns {Number}\n     */\n    var getLimit = function(root) {\n        return parseInt(root.attr('data-items-per-page'), 10);\n    };\n\n    /**\n     * Set the limit of items for each page.\n     *\n     * @param {object} root The root element.\n     * @param {Number} limit Items per page limit.\n     */\n    var setLimit = function(root, limit) {\n        root.attr('data-items-per-page', limit);\n    };\n\n    /**\n     * Show the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var show = function(root) {\n        root.removeClass('hidden');\n    };\n\n    /**\n     * Hide the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var hide = function(root) {\n        root.addClass('hidden');\n    };\n\n    /**\n     * Disable the next and last buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var disableNextControlButtons = function(root) {\n        var nextButton = root.find(SELECTORS.NEXT_BUTTON);\n        var lastButton = root.find(SELECTORS.LAST_BUTTON);\n\n        nextButton.addClass('disabled');\n        nextButton.attr('aria-disabled', true);\n        lastButton.addClass('disabled');\n        lastButton.attr('aria-disabled', true);\n    };\n\n    /**\n     * Enable the next and last buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var enableNextControlButtons = function(root) {\n        var nextButton = root.find(SELECTORS.NEXT_BUTTON);\n        var lastButton = root.find(SELECTORS.LAST_BUTTON);\n\n        nextButton.removeClass('disabled');\n        nextButton.removeAttr('aria-disabled');\n        lastButton.removeClass('disabled');\n        lastButton.removeAttr('aria-disabled');\n    };\n\n    /**\n     * Disable the previous and first buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var disablePreviousControlButtons = function(root) {\n        var previousButton = root.find(SELECTORS.PREVIOUS_BUTTON);\n        var firstButton = root.find(SELECTORS.FIRST_BUTTON);\n\n        previousButton.addClass('disabled');\n        previousButton.attr('aria-disabled', true);\n        firstButton.addClass('disabled');\n        firstButton.attr('aria-disabled', true);\n    };\n\n    /**\n     * Adjusts the size of the paging bar and hides unnecessary pages.\n     *\n     * @param {object} root The root element.\n     */\n    var adjustPagingBarSize = function(root) {\n        var activePageNumber = getActivePageNumber(root);\n        var lastPageNumber = getLastPageNumber(root);\n\n        var dotsButtons = root.find(SELECTORS.DOTS_BUTTONS);\n        var beginningDotsButton = root.find(SELECTORS.BEGINNING_DOTS_BUTTON);\n        var endingDotsButton = root.find(SELECTORS.ENDING_DOTS_BUTTON);\n\n        var pages = root.find(SELECTORS.PAGE);\n        var barSize = parseInt(root.attr('data-bar-size'), 10);\n\n        if (barSize && lastPageNumber > barSize) {\n\n            var minpage = Math.max(activePageNumber - Math.round(barSize / 2), 1);\n            var maxpage = minpage + barSize - 1;\n\n            if (maxpage >= lastPageNumber) {\n                maxpage = lastPageNumber;\n                minpage = maxpage - barSize + 1;\n            }\n\n            if (minpage > 1) {\n                show(beginningDotsButton);\n                minpage++;\n            } else {\n                hide(beginningDotsButton);\n            }\n            if (maxpage < lastPageNumber) {\n                show(endingDotsButton);\n                maxpage--;\n            } else {\n                hide(endingDotsButton);\n            }\n            dotsButtons.addClass('disabled');\n            dotsButtons.attr('aria-disabled', true);\n\n            hide(pages);\n\n            pages.each(function(index, page) {\n                page = $(page);\n                if ((index + 1) >= minpage && (index + 1) <= maxpage) {\n                    show(page);\n                }\n            });\n\n        } else {\n            hide(dotsButtons);\n        }\n    };\n\n    /**\n     * Enable the previous and first buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var enablePreviousControlButtons = function(root) {\n        var previousButton = root.find(SELECTORS.PREVIOUS_BUTTON);\n        var firstButton = root.find(SELECTORS.FIRST_BUTTON);\n\n        previousButton.removeClass('disabled');\n        previousButton.removeAttr('aria-disabled');\n        firstButton.removeClass('disabled');\n        firstButton.removeAttr('aria-disabled');\n    };\n\n    /**\n     * Get the components for a get_string request for the aria-label\n     * on a page. The value is a comma separated string of key and\n     * component.\n     *\n     * @param {object} root The root element.\n     * @return {array} First element is the key, second is the component.\n     */\n    var getPageAriaLabelComponents = function(root) {\n        var componentString = root.attr('data-aria-label-components-pagination-item');\n        var components = componentString.split(',').map(function(component) {\n            return component.trim();\n        });\n        return components;\n    };\n\n    /**\n     * Get the components for a get_string request for the aria-label\n     * on an active page. The value is a comma separated string of key and\n     * component.\n     *\n     * @param {object} root The root element.\n     * @return {array} First element is the key, second is the component.\n     */\n    var getActivePageAriaLabelComponents = function(root) {\n        var componentString = root.attr('data-aria-label-components-pagination-active-item');\n        var components = componentString.split(',').map(function(component) {\n            return component.trim();\n        });\n        return components;\n    };\n\n    /**\n     * Set page numbers on each of the given items. Page numbers are set\n     * from 1..n (where n is the number of items).\n     *\n     * Sets the active page number to be the last page found with\n     * an \"active\" class (if any).\n     *\n     * Sets the last page number.\n     *\n     * @param {object} root The root element.\n     * @param {jQuery} items A jQuery list of items.\n     */\n    var generatePageNumbers = function(root, items) {\n        var lastPageNumber = 0;\n        setActivePageNumber(root, 0);\n\n        items.each(function(index, item) {\n            var pageNumber = index + 1;\n            item = $(item);\n            item.attr('data-page-number', pageNumber);\n            lastPageNumber++;\n\n            if (item.hasClass('active')) {\n                setActivePageNumber(root, pageNumber);\n            }\n        });\n\n        setLastPageNumber(root, lastPageNumber);\n    };\n\n    /**\n     * Set the aria-labels on each of the page items in the paging bar.\n     * This includes the next, previous, first, and last items.\n     *\n     * @param {object} root The root element.\n     */\n    var generateAriaLabels = function(root) {\n        var pageAriaLabelComponents = getPageAriaLabelComponents(root);\n        var activePageAriaLabelComponents = getActivePageAriaLabelComponents(root);\n        var activePageNumber = getActivePageNumber(root);\n        var pageItems = root.find(SELECTORS.PAGE_ITEM);\n        // We want to request all of the strings at once rather than\n        // one at a time.\n        var stringRequests = pageItems.map(function(index, page) {\n            page = $(page);\n            var pageNumber = getPageNumber(root, page);\n\n            if (pageNumber === activePageNumber) {\n                return {\n                    key: activePageAriaLabelComponents[0],\n                    component: activePageAriaLabelComponents[1],\n                    param: pageNumber\n                };\n            } else {\n                return {\n                    key: pageAriaLabelComponents[0],\n                    component: pageAriaLabelComponents[1],\n                    param: pageNumber\n                };\n            }\n        });\n\n        Str.get_strings(stringRequests).then(function(strings) {\n            pageItems.each(function(index, page) {\n                page = $(page);\n                var string = strings[index];\n                page.attr('aria-label', string);\n                page.find(SELECTORS.PAGE_LINK).attr('aria-label', string);\n            });\n\n            return strings;\n        })\n        .catch(function() {\n            // No need to interrupt the page if we can't load the aria lang strings.\n            return;\n        });\n    };\n\n    /**\n     * Make the paging bar item for the given page number visible and fire\n     * the SHOW_PAGES paged content event to tell any listening content to\n     * update.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The number for the page to show.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var showPage = function(root, pageNumber, id) {\n        var pendingPromise = new Pending('core/paged_content_paging_bar:showPage');\n        var lastPageNumber = getLastPageNumber(root);\n        var isSamePage = pageNumber == getActivePageNumber(root);\n        var limit = getLimit(root);\n        var offset = (pageNumber - 1) * limit;\n\n        if (!isSamePage) {\n            // We only need to toggle the active class if the user didn't click\n            // on the already active page.\n            root.find(SELECTORS.PAGE_ITEM).removeClass('active').removeAttr('aria-current');\n            var page = getPageByNumber(root, pageNumber);\n            page.addClass('active');\n            page.attr('aria-current', true);\n            setActivePageNumber(root, pageNumber);\n\n            adjustPagingBarSize(root);\n        }\n\n        // Make sure the control buttons are disabled as the user navigates\n        // to either end of the limits.\n        if (lastPageNumber && pageNumber >= lastPageNumber) {\n            disableNextControlButtons(root);\n        } else {\n            enableNextControlButtons(root);\n        }\n\n        if (pageNumber > 1) {\n            enablePreviousControlButtons(root);\n        } else {\n            disablePreviousControlButtons(root);\n        }\n\n        generateAriaLabels(root);\n\n        // This event requires a payload that contains a list of all pages that\n        // were activated. In the case of the paging bar we only show one page at\n        // a time.\n        PubSub.publish(id + PagedContentEvents.SHOW_PAGES, [{\n            pageNumber: pageNumber,\n            limit: limit,\n            offset: offset\n        }]);\n\n        pendingPromise.resolve();\n    };\n\n    /**\n     * Add event listeners for interactions with the paging bar as well as listening\n     * for custom paged content events.\n     *\n     * Each event will trigger different logic to update parts of the paging bar's\n     * display.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var registerEventListeners = function(root, id) {\n        var ignoreControlWhileLoading = root.attr('data-ignore-control-while-loading');\n        var loading = false;\n\n        if (ignoreControlWhileLoading == \"\") {\n            // Default to ignoring control while loading if not specified.\n            ignoreControlWhileLoading = true;\n        }\n\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.PAGE_ITEM, function(e, data) {\n            data.originalEvent.preventDefault();\n            data.originalEvent.stopPropagation();\n\n            if (ignoreControlWhileLoading && loading) {\n                // Do nothing if configured to ignore control while loading.\n                return;\n            }\n\n            var page = $(e.target).closest(SELECTORS.PAGE_ITEM);\n\n            if (!page.hasClass('disabled')) {\n                var pageNumber = getPageNumber(root, page);\n                showPage(root, pageNumber, id);\n                loading = true;\n            }\n        });\n\n        // This event is fired when all of the items have been loaded. Typically used\n        // in an \"infinite\" pages context when we don't know the exact number of pages\n        // ahead of time.\n        PubSub.subscribe(id + PagedContentEvents.ALL_ITEMS_LOADED, function(pageNumber) {\n            loading = false;\n            var currentLastPage = getLastPageNumber(root);\n\n            if (!currentLastPage || pageNumber < currentLastPage) {\n                // Somehow the value we've got saved is higher than the new\n                // value we just received. Perhaps events came out of order.\n                // In any case, save the lowest value.\n                setLastPageNumber(root, pageNumber);\n            }\n\n            if (pageNumber === 1 && root.attr('data-hide-control-on-single-page')) {\n                // If all items were loaded on the first page then we can hide\n                // the paging bar because there are no other pages to load.\n                hide(root);\n                disableNextControlButtons(root);\n                disablePreviousControlButtons(root);\n            } else {\n                show(root);\n                disableNextControlButtons(root);\n            }\n        });\n\n        // This event is fired after all of the requested pages have been rendered.\n        PubSub.subscribe(id + PagedContentEvents.PAGES_SHOWN, function() {\n            // All pages have been shown so turn off the loading flag.\n            loading = false;\n        });\n\n        // This is triggered when the paging limit is modified.\n        PubSub.subscribe(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, function(limit) {\n            // Update the limit.\n            setLimit(root, limit);\n            setLastPageNumber(root, 0);\n            setActivePageNumber(root, 0);\n            show(root);\n            // Reload the data from page 1 again.\n            showPage(root, 1, id);\n        });\n    };\n\n    /**\n     * Initialise the paging bar.\n     * @param {object} root The root element.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var init = function(root, id) {\n        root = $(root);\n        var pages = root.find(SELECTORS.PAGE);\n        generatePageNumbers(root, pages);\n        registerEventListeners(root, id);\n\n        if (hasActivePageNumber(root)) {\n            var activePageNumber = getActivePageNumber(root);\n            // If the the paging bar was rendered with an active page selected\n            // then make sure we fired off the event to tell the content page to\n            // show.\n            getPageByNumber(root, activePageNumber).click();\n            if (activePageNumber == 1) {\n                // If the first page is active then disable the previous buttons.\n                disablePreviousControlButtons(root);\n            }\n        } else {\n            // There was no active page number so load the first page using\n            // the next button. This allows the infinite pagination to work.\n            getNextButton(root).click();\n        }\n\n        adjustPagingBarSize(root);\n    };\n\n    return {\n        init: init,\n        disableNextControlButtons: disableNextControlButtons,\n        enableNextControlButtons: enableNextControlButtons,\n        disablePreviousControlButtons: disablePreviousControlButtons,\n        enablePreviousControlButtons: enablePreviousControlButtons,\n        showPage: showPage,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"file":"paged_content_paging_bar.min.js"}
\ No newline at end of file
+{"version":3,"file":"paged_content_paging_bar.min.js","sources":["../src/paged_content_paging_bar.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to enhance the paged content paging bar.\n *\n * @module     core/paging_bar\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/custom_interaction_events',\n    'core/paged_content_events',\n    'core/str',\n    'core/pubsub',\n    'core/pending',\n],\nfunction(\n    $,\n    CustomEvents,\n    PagedContentEvents,\n    Str,\n    PubSub,\n    Pending\n) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"paging-bar\"]',\n        PAGE: '[data-page]',\n        PAGE_ITEM: '[data-region=\"page-item\"]',\n        PAGE_LINK: '[data-region=\"page-link\"]',\n        FIRST_BUTTON: '[data-control=\"first\"]',\n        LAST_BUTTON: '[data-control=\"last\"]',\n        NEXT_BUTTON: '[data-control=\"next\"]',\n        PREVIOUS_BUTTON: '[data-control=\"previous\"]',\n        DOTS_BUTTONS: '[data-dots]',\n        BEGINNING_DOTS_BUTTON: '[data-dots=\"beginning\"]',\n        ENDING_DOTS_BUTTON: '[data-dots=\"ending\"]',\n    };\n\n    /**\n     * Get the page element by number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The page number.\n     * @return {jQuery}\n     */\n    var getPageByNumber = function(root, pageNumber) {\n        return root.find(SELECTORS.PAGE_ITEM + '[data-page-number=\"' + pageNumber + '\"]');\n    };\n\n    /**\n     * Get the next button element.\n     *\n     * @param {object} root The root element.\n     * @return {jQuery}\n     */\n    var getNextButton = function(root) {\n        return root.find(SELECTORS.NEXT_BUTTON);\n    };\n\n    /**\n     * Set the last page number after which no more pages\n     * should be loaded.\n     *\n     * @param {object} root The root element.\n     * @param {Number} number Page number.\n     */\n    var setLastPageNumber = function(root, number) {\n        root.attr('data-last-page-number', number);\n    };\n\n    /**\n     * Get the last page number.\n     *\n     * @param {object} root The root element.\n     * @return {Number}\n     */\n    var getLastPageNumber = function(root) {\n        return parseInt(root.attr('data-last-page-number'), 10);\n    };\n\n    /**\n     * Get the active page number.\n     *\n     * @param {object} root The root element.\n     * @returns {Number} The page number\n     */\n    var getActivePageNumber = function(root) {\n        return parseInt(root.attr('data-active-page-number'), 10);\n    };\n\n    /**\n     * Set the active page number.\n     *\n     * @param {object} root The root element.\n     * @param {Number} number Page number.\n     */\n    var setActivePageNumber = function(root, number) {\n        root.attr('data-active-page-number', number);\n    };\n\n    /**\n     * Check if there is an active page number.\n     *\n     * @param {object} root The root element.\n     * @returns {bool}\n     */\n    var hasActivePageNumber = function(root) {\n        var number = getActivePageNumber(root);\n        return !isNaN(number) && number != 0;\n    };\n\n    /**\n     * Get the page number for a given page.\n     *\n     * @param {object} root The root element.\n     * @param {object} page The page element.\n     * @returns {Number} The page number\n     */\n    var getPageNumber = function(root, page) {\n        if (page.attr('data-page') != undefined) {\n            // If it's an actual page then we can just use the page number\n            // attribute.\n            return parseInt(page.attr('data-page-number'), 10);\n        }\n\n        var pageNumber = 1;\n        var activePageNumber = null;\n\n        switch (page.attr('data-control')) {\n            case 'first':\n                pageNumber = 1;\n                break;\n\n            case 'last':\n                pageNumber = getLastPageNumber(root);\n                break;\n\n            case 'next':\n                activePageNumber = getActivePageNumber(root);\n                var lastPage = getLastPageNumber(root);\n                if (!lastPage) {\n                    pageNumber = activePageNumber + 1;\n                } else if (activePageNumber && activePageNumber < lastPage) {\n                    pageNumber = activePageNumber + 1;\n                } else {\n                    pageNumber = lastPage;\n                }\n                break;\n\n            case 'previous':\n                activePageNumber = getActivePageNumber(root);\n                if (activePageNumber && activePageNumber > 1) {\n                    pageNumber = activePageNumber - 1;\n                } else {\n                    pageNumber = 1;\n                }\n                break;\n\n            default:\n                pageNumber = 1;\n                break;\n        }\n\n        // Make sure we return an int not a string.\n        return parseInt(pageNumber, 10);\n    };\n\n    /**\n     * Get the limit of items for each page.\n     *\n     * @param {object} root The root element.\n     * @returns {Number}\n     */\n    var getLimit = function(root) {\n        return parseInt(root.attr('data-items-per-page'), 10);\n    };\n\n    /**\n     * Set the limit of items for each page.\n     *\n     * @param {object} root The root element.\n     * @param {Number} limit Items per page limit.\n     */\n    var setLimit = function(root, limit) {\n        root.attr('data-items-per-page', limit);\n    };\n\n    /**\n     * Show the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var show = function(root) {\n        root.removeClass('hidden');\n    };\n\n    /**\n     * Hide the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var hide = function(root) {\n        root.addClass('hidden');\n    };\n\n    /**\n     * Disable the next and last buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var disableNextControlButtons = function(root) {\n        var nextButton = root.find(SELECTORS.NEXT_BUTTON);\n        var lastButton = root.find(SELECTORS.LAST_BUTTON);\n\n        nextButton.addClass('disabled');\n        nextButton.attr('aria-disabled', true);\n        lastButton.addClass('disabled');\n        lastButton.attr('aria-disabled', true);\n    };\n\n    /**\n     * Enable the next and last buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var enableNextControlButtons = function(root) {\n        var nextButton = root.find(SELECTORS.NEXT_BUTTON);\n        var lastButton = root.find(SELECTORS.LAST_BUTTON);\n\n        nextButton.removeClass('disabled');\n        nextButton.removeAttr('aria-disabled');\n        lastButton.removeClass('disabled');\n        lastButton.removeAttr('aria-disabled');\n    };\n\n    /**\n     * Disable the previous and first buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var disablePreviousControlButtons = function(root) {\n        var previousButton = root.find(SELECTORS.PREVIOUS_BUTTON);\n        var firstButton = root.find(SELECTORS.FIRST_BUTTON);\n\n        previousButton.addClass('disabled');\n        previousButton.attr('aria-disabled', true);\n        firstButton.addClass('disabled');\n        firstButton.attr('aria-disabled', true);\n    };\n\n    /**\n     * Adjusts the size of the paging bar and hides unnecessary pages.\n     *\n     * @param {object} root The root element.\n     */\n    var adjustPagingBarSize = function(root) {\n        var activePageNumber = getActivePageNumber(root);\n        var lastPageNumber = getLastPageNumber(root);\n\n        var dotsButtons = root.find(SELECTORS.DOTS_BUTTONS);\n        var beginningDotsButton = root.find(SELECTORS.BEGINNING_DOTS_BUTTON);\n        var endingDotsButton = root.find(SELECTORS.ENDING_DOTS_BUTTON);\n\n        var pages = root.find(SELECTORS.PAGE);\n        var barSize = parseInt(root.attr('data-bar-size'), 10);\n\n        if (barSize && lastPageNumber > barSize) {\n\n            var minpage = Math.max(activePageNumber - Math.round(barSize / 2), 1);\n            var maxpage = minpage + barSize - 1;\n\n            if (maxpage >= lastPageNumber) {\n                maxpage = lastPageNumber;\n                minpage = maxpage - barSize + 1;\n            }\n\n            if (minpage > 1) {\n                show(beginningDotsButton);\n                minpage++;\n            } else {\n                hide(beginningDotsButton);\n            }\n            if (maxpage < lastPageNumber) {\n                show(endingDotsButton);\n                maxpage--;\n            } else {\n                hide(endingDotsButton);\n            }\n            dotsButtons.addClass('disabled');\n            dotsButtons.attr('aria-disabled', true);\n\n            hide(pages);\n\n            pages.each(function(index, page) {\n                page = $(page);\n                if ((index + 1) >= minpage && (index + 1) <= maxpage) {\n                    show(page);\n                }\n            });\n\n        } else {\n            hide(dotsButtons);\n        }\n    };\n\n    /**\n     * Enable the previous and first buttons in the paging bar.\n     *\n     * @param {object} root The root element.\n     */\n    var enablePreviousControlButtons = function(root) {\n        var previousButton = root.find(SELECTORS.PREVIOUS_BUTTON);\n        var firstButton = root.find(SELECTORS.FIRST_BUTTON);\n\n        previousButton.removeClass('disabled');\n        previousButton.removeAttr('aria-disabled');\n        firstButton.removeClass('disabled');\n        firstButton.removeAttr('aria-disabled');\n    };\n\n    /**\n     * Get the components for a get_string request for the aria-label\n     * on a page. The value is a comma separated string of key and\n     * component.\n     *\n     * @param {object} root The root element.\n     * @return {array} First element is the key, second is the component.\n     */\n    var getPageAriaLabelComponents = function(root) {\n        var componentString = root.attr('data-aria-label-components-pagination-item');\n        var components = componentString.split(',').map(function(component) {\n            return component.trim();\n        });\n        return components;\n    };\n\n    /**\n     * Get the components for a get_string request for the aria-label\n     * on an active page. The value is a comma separated string of key and\n     * component.\n     *\n     * @param {object} root The root element.\n     * @return {array} First element is the key, second is the component.\n     */\n    var getActivePageAriaLabelComponents = function(root) {\n        var componentString = root.attr('data-aria-label-components-pagination-active-item');\n        var components = componentString.split(',').map(function(component) {\n            return component.trim();\n        });\n        return components;\n    };\n\n    /**\n     * Set page numbers on each of the given items. Page numbers are set\n     * from 1..n (where n is the number of items).\n     *\n     * Sets the active page number to be the last page found with\n     * an \"active\" class (if any).\n     *\n     * Sets the last page number.\n     *\n     * @param {object} root The root element.\n     * @param {jQuery} items A jQuery list of items.\n     */\n    var generatePageNumbers = function(root, items) {\n        var lastPageNumber = 0;\n        setActivePageNumber(root, 0);\n\n        items.each(function(index, item) {\n            var pageNumber = index + 1;\n            item = $(item);\n            item.attr('data-page-number', pageNumber);\n            lastPageNumber++;\n\n            if (item.hasClass('active')) {\n                setActivePageNumber(root, pageNumber);\n            }\n        });\n\n        setLastPageNumber(root, lastPageNumber);\n    };\n\n    /**\n     * Set the aria-labels on each of the page items in the paging bar.\n     * This includes the next, previous, first, and last items.\n     *\n     * @param {object} root The root element.\n     */\n    var generateAriaLabels = function(root) {\n        var pageAriaLabelComponents = getPageAriaLabelComponents(root);\n        var activePageAriaLabelComponents = getActivePageAriaLabelComponents(root);\n        var activePageNumber = getActivePageNumber(root);\n        var pageItems = root.find(SELECTORS.PAGE_ITEM);\n        // We want to request all of the strings at once rather than\n        // one at a time.\n        var stringRequests = pageItems.map(function(index, page) {\n            page = $(page);\n            var pageNumber = getPageNumber(root, page);\n\n            if (pageNumber === activePageNumber) {\n                return {\n                    key: activePageAriaLabelComponents[0],\n                    component: activePageAriaLabelComponents[1],\n                    param: pageNumber\n                };\n            } else {\n                return {\n                    key: pageAriaLabelComponents[0],\n                    component: pageAriaLabelComponents[1],\n                    param: pageNumber\n                };\n            }\n        });\n\n        Str.get_strings(stringRequests).then(function(strings) {\n            pageItems.each(function(index, page) {\n                page = $(page);\n                var string = strings[index];\n                page.attr('aria-label', string);\n                page.find(SELECTORS.PAGE_LINK).attr('aria-label', string);\n            });\n\n            return strings;\n        })\n        .catch(function() {\n            // No need to interrupt the page if we can't load the aria lang strings.\n            return;\n        });\n    };\n\n    /**\n     * Make the paging bar item for the given page number visible and fire\n     * the SHOW_PAGES paged content event to tell any listening content to\n     * update.\n     *\n     * @param {object} root The root element.\n     * @param {Number} pageNumber The number for the page to show.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var showPage = function(root, pageNumber, id) {\n        var pendingPromise = new Pending('core/paged_content_paging_bar:showPage');\n        var lastPageNumber = getLastPageNumber(root);\n        var isSamePage = pageNumber == getActivePageNumber(root);\n        var limit = getLimit(root);\n        var offset = (pageNumber - 1) * limit;\n\n        if (!isSamePage) {\n            // We only need to toggle the active class if the user didn't click\n            // on the already active page.\n            root.find(SELECTORS.PAGE_ITEM).removeClass('active').removeAttr('aria-current');\n            var page = getPageByNumber(root, pageNumber);\n            page.addClass('active');\n            page.attr('aria-current', true);\n            setActivePageNumber(root, pageNumber);\n\n            adjustPagingBarSize(root);\n        }\n\n        // Make sure the control buttons are disabled as the user navigates\n        // to either end of the limits.\n        if (lastPageNumber && pageNumber >= lastPageNumber) {\n            disableNextControlButtons(root);\n        } else {\n            enableNextControlButtons(root);\n        }\n\n        if (pageNumber > 1) {\n            enablePreviousControlButtons(root);\n        } else {\n            disablePreviousControlButtons(root);\n        }\n\n        generateAriaLabels(root);\n\n        // This event requires a payload that contains a list of all pages that\n        // were activated. In the case of the paging bar we only show one page at\n        // a time.\n        PubSub.publish(id + PagedContentEvents.SHOW_PAGES, [{\n            pageNumber: pageNumber,\n            limit: limit,\n            offset: offset\n        }]);\n\n        pendingPromise.resolve();\n    };\n\n    /**\n     * Add event listeners for interactions with the paging bar as well as listening\n     * for custom paged content events.\n     *\n     * Each event will trigger different logic to update parts of the paging bar's\n     * display.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var registerEventListeners = function(root, id) {\n        var ignoreControlWhileLoading = root.attr('data-ignore-control-while-loading');\n        var loading = false;\n\n        if (ignoreControlWhileLoading == \"\") {\n            // Default to ignoring control while loading if not specified.\n            ignoreControlWhileLoading = true;\n        }\n\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.PAGE_ITEM, function(e, data) {\n            data.originalEvent.preventDefault();\n            data.originalEvent.stopPropagation();\n\n            if (ignoreControlWhileLoading && loading) {\n                // Do nothing if configured to ignore control while loading.\n                return;\n            }\n\n            var page = $(e.target).closest(SELECTORS.PAGE_ITEM);\n\n            if (!page.hasClass('disabled')) {\n                var pageNumber = getPageNumber(root, page);\n                showPage(root, pageNumber, id);\n                loading = true;\n            }\n        });\n\n        // This event is fired when all of the items have been loaded. Typically used\n        // in an \"infinite\" pages context when we don't know the exact number of pages\n        // ahead of time.\n        PubSub.subscribe(id + PagedContentEvents.ALL_ITEMS_LOADED, function(pageNumber) {\n            loading = false;\n            var currentLastPage = getLastPageNumber(root);\n\n            if (!currentLastPage || pageNumber < currentLastPage) {\n                // Somehow the value we've got saved is higher than the new\n                // value we just received. Perhaps events came out of order.\n                // In any case, save the lowest value.\n                setLastPageNumber(root, pageNumber);\n            }\n\n            if (pageNumber === 1 && root.attr('data-hide-control-on-single-page')) {\n                // If all items were loaded on the first page then we can hide\n                // the paging bar because there are no other pages to load.\n                hide(root);\n                disableNextControlButtons(root);\n                disablePreviousControlButtons(root);\n            } else {\n                show(root);\n                disableNextControlButtons(root);\n            }\n        });\n\n        // This event is fired after all of the requested pages have been rendered.\n        PubSub.subscribe(id + PagedContentEvents.PAGES_SHOWN, function() {\n            // All pages have been shown so turn off the loading flag.\n            loading = false;\n        });\n\n        // This is triggered when the paging limit is modified.\n        PubSub.subscribe(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, function(limit) {\n            // Update the limit.\n            setLimit(root, limit);\n            setLastPageNumber(root, 0);\n            setActivePageNumber(root, 0);\n            show(root);\n            // Reload the data from page 1 again.\n            showPage(root, 1, id);\n        });\n    };\n\n    /**\n     * Initialise the paging bar.\n     * @param {object} root The root element.\n     * @param {string} id A uniqie id for this instance.\n     */\n    var init = function(root, id) {\n        root = $(root);\n        var pages = root.find(SELECTORS.PAGE);\n        generatePageNumbers(root, pages);\n        registerEventListeners(root, id);\n\n        if (hasActivePageNumber(root)) {\n            var activePageNumber = getActivePageNumber(root);\n            // If the the paging bar was rendered with an active page selected\n            // then make sure we fired off the event to tell the content page to\n            // show.\n            getPageByNumber(root, activePageNumber).click();\n            if (activePageNumber == 1) {\n                // If the first page is active then disable the previous buttons.\n                disablePreviousControlButtons(root);\n            }\n        } else {\n            // There was no active page number so load the first page using\n            // the next button. This allows the infinite pagination to work.\n            getNextButton(root).click();\n        }\n\n        adjustPagingBarSize(root);\n    };\n\n    return {\n        init: init,\n        disableNextControlButtons: disableNextControlButtons,\n        enableNextControlButtons: enableNextControlButtons,\n        disablePreviousControlButtons: disablePreviousControlButtons,\n        enablePreviousControlButtons: enablePreviousControlButtons,\n        showPage: showPage,\n        rootSelector: SELECTORS.ROOT,\n    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diff --git a/lib/amd/build/paged_content_paging_bar_limit_selector.min.js b/lib/amd/build/paged_content_paging_bar_limit_selector.min.js
index fe2a1ab7742..c88681b1c26 100644
--- a/lib/amd/build/paged_content_paging_bar_limit_selector.min.js
+++ b/lib/amd/build/paged_content_paging_bar_limit_selector.min.js
@@ -1,2 +1,10 @@
-define ("core/paged_content_paging_bar_limit_selector",["jquery","core/custom_interaction_events","core/paged_content_events","core/pubsub"],function(a,b,c,d){var f={ROOT:"[data-region=\"paging-control-limit-container\"]",LIMIT_OPTION:"[data-limit]",LIMIT_TOGGLE:"[data-action=\"limit-toggle\"]"};return{init:function init(e,g){e=a(e);b.define(e,[b.events.activate]);e.on(b.events.activate,f.LIMIT_OPTION,function(b,e){var h=a(b.target).closest(f.LIMIT_OPTION);if(h.hasClass("active")){return}var i=parseInt(h.attr("data-limit"),10);d.publish(g+c.SET_ITEMS_PER_PAGE_LIMIT,i);e.originalEvent.preventDefault()})},rootSelector:f.ROOT}});
-//# sourceMappingURL=paged_content_paging_bar_limit_selector.min.js.map
+/**
+ * Javascript for dynamically changing the page limits.
+ *
+ * @module     core/paged_content_paging_bar_limit_selector
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/paged_content_paging_bar_limit_selector",["jquery","core/custom_interaction_events","core/paged_content_events","core/pubsub"],(function($,CustomEvents,PagedContentEvents,PubSub){var SELECTORS_LIMIT_OPTION="[data-limit]";return{init:function(root,id){root=$(root),CustomEvents.define(root,[CustomEvents.events.activate]),root.on(CustomEvents.events.activate,SELECTORS_LIMIT_OPTION,(function(e,data){var optionElement=$(e.target).closest(SELECTORS_LIMIT_OPTION);if(!optionElement.hasClass("active")){var limit=parseInt(optionElement.attr("data-limit"),10);PubSub.publish(id+PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT,limit),data.originalEvent.preventDefault()}}))},rootSelector:'[data-region="paging-control-limit-container"]'}}));
+
+//# sourceMappingURL=paged_content_paging_bar_limit_selector.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_paging_bar_limit_selector.min.js.map b/lib/amd/build/paged_content_paging_bar_limit_selector.min.js.map
index efcce230e75..c0b977bfa4e 100644
--- a/lib/amd/build/paged_content_paging_bar_limit_selector.min.js.map
+++ b/lib/amd/build/paged_content_paging_bar_limit_selector.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/paged_content_paging_bar_limit_selector.js"],"names":["define","$","CustomEvents","PagedContentEvents","PubSub","SELECTORS","ROOT","LIMIT_OPTION","LIMIT_TOGGLE","init","root","id","events","activate","on","e","data","optionElement","target","closest","hasClass","limit","parseInt","attr","publish","SET_ITEMS_PER_PAGE_LIMIT","originalEvent","preventDefault","rootSelector"],"mappings":"AAsBAA,OAAM,gDACN,CACI,QADJ,CAEI,gCAFJ,CAGI,2BAHJ,CAII,aAJJ,CADM,CAON,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKE,IAEMC,CAAAA,CAAS,CAAG,CACZC,IAAI,CAAE,kDADM,CAEZC,YAAY,CAAE,cAFF,CAGZC,YAAY,CAAE,gCAHF,CAFlB,CAsCE,MAAO,CACHC,IAAI,CAxBG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAeC,CAAf,CAAmB,CAC1BD,CAAI,CAAGT,CAAC,CAACS,CAAD,CAAR,CAEAR,CAAY,CAACF,MAAb,CAAoBU,CAApB,CAA0B,CACtBR,CAAY,CAACU,MAAb,CAAoBC,QADE,CAA1B,EAIAH,CAAI,CAACI,EAAL,CAAQZ,CAAY,CAACU,MAAb,CAAoBC,QAA5B,CAAsCR,CAAS,CAACE,YAAhD,CAA8D,SAASQ,CAAT,CAAYC,CAAZ,CAAkB,CAC5E,GAAIC,CAAAA,CAAa,CAAGhB,CAAC,CAACc,CAAC,CAACG,MAAH,CAAD,CAAYC,OAAZ,CAAoBd,CAAS,CAACE,YAA9B,CAApB,CAEA,GAAIU,CAAa,CAACG,QAAd,CAAuB,QAAvB,CAAJ,CAAsC,CAElC,MACH,CAED,GAAIC,CAAAA,CAAK,CAAGC,QAAQ,CAACL,CAAa,CAACM,IAAd,CAAmB,YAAnB,CAAD,CAAmC,EAAnC,CAApB,CAEAnB,CAAM,CAACoB,OAAP,CAAeb,CAAE,CAAGR,CAAkB,CAACsB,wBAAvC,CAAiEJ,CAAjE,EAEAL,CAAI,CAACU,aAAL,CAAmBC,cAAnB,EACH,CAbD,CAcH,CAEM,CAEHC,YAAY,CAAEvB,CAAS,CAACC,IAFrB,CAIV,CAtDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript for dynamically changing the page limits.\n *\n * @module     core/paged_content_paging_bar_limit_selector\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/paged_content_events',\n    'core/pubsub'\n],\nfunction(\n    $,\n    CustomEvents,\n    PagedContentEvents,\n    PubSub\n) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"paging-control-limit-container\"]',\n        LIMIT_OPTION: '[data-limit]',\n        LIMIT_TOGGLE: '[data-action=\"limit-toggle\"]',\n    };\n\n    /**\n     * Trigger the SET_ITEMS_PER_PAGE_LIMIT event when the page limit option\n     * is modified.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A unique id for this instance.\n     */\n    var init = function(root, id) {\n        root = $(root);\n\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.LIMIT_OPTION, function(e, data) {\n            var optionElement = $(e.target).closest(SELECTORS.LIMIT_OPTION);\n\n            if (optionElement.hasClass('active')) {\n                // Don't do anything if it was the active option selected.\n                return;\n            }\n\n            var limit = parseInt(optionElement.attr('data-limit'), 10);\n            // Tell the rest of the pagination components that the limit has changed.\n            PubSub.publish(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, limit);\n\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT\n    };\n});\n"],"file":"paged_content_paging_bar_limit_selector.min.js"}
\ No newline at end of file
+{"version":3,"file":"paged_content_paging_bar_limit_selector.min.js","sources":["../src/paged_content_paging_bar_limit_selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript for dynamically changing the page limits.\n *\n * @module     core/paged_content_paging_bar_limit_selector\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/paged_content_events',\n    'core/pubsub'\n],\nfunction(\n    $,\n    CustomEvents,\n    PagedContentEvents,\n    PubSub\n) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"paging-control-limit-container\"]',\n        LIMIT_OPTION: '[data-limit]',\n        LIMIT_TOGGLE: '[data-action=\"limit-toggle\"]',\n    };\n\n    /**\n     * Trigger the SET_ITEMS_PER_PAGE_LIMIT event when the page limit option\n     * is modified.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A unique id for this instance.\n     */\n    var init = function(root, id) {\n        root = $(root);\n\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.LIMIT_OPTION, function(e, data) {\n            var optionElement = $(e.target).closest(SELECTORS.LIMIT_OPTION);\n\n            if (optionElement.hasClass('active')) {\n                // Don't do anything if it was the active option selected.\n                return;\n            }\n\n            var limit = parseInt(optionElement.attr('data-limit'), 10);\n            // Tell the rest of the pagination components that the limit has changed.\n            PubSub.publish(id + PagedContentEvents.SET_ITEMS_PER_PAGE_LIMIT, limit);\n\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT\n    };\n});\n"],"names":["define","$","CustomEvents","PagedContentEvents","PubSub","SELECTORS","init","root","id","events","activate","on","e","data","optionElement","target","closest","hasClass","limit","parseInt","attr","publish","SET_ITEMS_PER_PAGE_LIMIT","originalEvent","preventDefault","rootSelector"],"mappings":";;;;;;;AAsBAA,sDACA,CACI,SACA,iCACA,4BACA,gBAEJ,SACIC,EACAC,aACAC,mBACAC,YAGIC,uBAEc,qBAkCX,CACHC,KAxBO,SAASC,KAAMC,IACtBD,KAAON,EAAEM,MAETL,aAAaF,OAAOO,KAAM,CACtBL,aAAaO,OAAOC,WAGxBH,KAAKI,GAAGT,aAAaO,OAAOC,SAAUL,wBAAwB,SAASO,EAAGC,UAClEC,cAAgBb,EAAEW,EAAEG,QAAQC,QAAQX,4BAEpCS,cAAcG,SAAS,eAKvBC,MAAQC,SAASL,cAAcM,KAAK,cAAe,IAEvDhB,OAAOiB,QAAQb,GAAKL,mBAAmBmB,yBAA0BJ,OAEjEL,KAAKU,cAAcC,sBAMvBC,aArCM"}
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_paging_dropdown.min.js b/lib/amd/build/paged_content_paging_dropdown.min.js
index 333543d925d..08c276a6e09 100644
--- a/lib/amd/build/paged_content_paging_dropdown.min.js
+++ b/lib/amd/build/paged_content_paging_dropdown.min.js
@@ -1,2 +1,10 @@
-define ("core/paged_content_paging_dropdown",["jquery","core/custom_interaction_events","core/paged_content_events","core/pubsub"],function(a,b,c,d){var f={ROOT:"[data-region=\"paging-dropdown-container\"]",DROPDOWN_ITEM:"[data-region=\"dropdown-item\"]",DROPDOWN_TOGGLE:"[data-region=\"dropdown-toggle\"]",ACTIVE_DROPDOWN_ITEM:"[data-region=\"dropdown-item\"].active",CARET:"[data-region=\"caret\"]"},g=function(a){return parseInt(a.attr("data-page-number"),10)},h=function(a){return a.find(f.DROPDOWN_ITEM)},i=function(b,c){var d=g(c);return h(b).filter(function(b,c){return g(a(c))<d})},j=function(a){return parseInt(a.attr("data-item-count"),10)},k=function(b,c){if(c.attr("data-offset")!=void 0){return parseInt(c.attr("data-offset"),10)}var d=0;i(b,c).each(function(b,c){c=a(c);d+=j(c)});c.attr("data-offset",d);return d},l=function(a){return a.find(f.ACTIVE_DROPDOWN_ITEM)},m=function(b,c){return c.map(function(c,d){d=a(d);return{pageNumber:g(d),limit:j(d),offset:k(b,d)}}).get()},n=function(b){b.each(function(b,c){c=a(c);c.attr("data-page-number",b+1)})},o=function(a,b,e){var g=i(a,b),h=g.add(b),j=m(a,h),k=a.find(f.DROPDOWN_TOGGLE),n=k.find(f.CARET);l(a).removeClass("active");b.addClass("active");k.html(b.text());k.append(n);d.publish(e+c.SHOW_PAGES,j)};return{init:function init(c,d){c=a(c);var e=h(c);n(e);var g=l(c);if(g.length){o(c,g,d)}b.define(c,[b.events.activate]);c.on(b.events.activate,f.DROPDOWN_ITEM,function(b,e){var g=a(b.target).closest(f.DROPDOWN_ITEM);o(c,g,d);e.originalEvent.preventDefault()})},rootSelector:f.ROOT}});
-//# sourceMappingURL=paged_content_paging_dropdown.min.js.map
+/**
+ * Javascript to manage the paging dropdown control.
+ *
+ * @module     core/paged_content_paging_dropdown
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/paged_content_paging_dropdown",["jquery","core/custom_interaction_events","core/paged_content_events","core/pubsub"],(function($,CustomEvents,PagedContentEvents,PubSub){var SELECTORS_DROPDOWN_ITEM='[data-region="dropdown-item"]',SELECTORS_DROPDOWN_TOGGLE='[data-region="dropdown-toggle"]',SELECTORS_ACTIVE_DROPDOWN_ITEM='[data-region="dropdown-item"].active',SELECTORS_CARET='[data-region="caret"]',getPageNumber=function(item){return parseInt(item.attr("data-page-number"),10)},getAllItems=function(root){return root.find(SELECTORS_DROPDOWN_ITEM)},getPreviousItems=function(root,item){var pageNumber=getPageNumber(item);return getAllItems(root).filter((function(index,element){return getPageNumber($(element))<pageNumber}))},getLimit=function(item){return parseInt(item.attr("data-item-count"),10)},getOffset=function(root,item){if(null!=item.attr("data-offset"))return parseInt(item.attr("data-offset"),10);var offset=0;return getPreviousItems(root,item).each((function(index,prevItem){prevItem=$(prevItem),offset+=getLimit(prevItem)})),item.attr("data-offset",offset),offset},getActiveItem=function(root){return root.find(SELECTORS_ACTIVE_DROPDOWN_ITEM)},setActiveItem=function(root,item,id){var eventPayload=function(root,items){return items.map((function(index,item){return item=$(item),{pageNumber:getPageNumber(item),limit:getLimit(item),offset:getOffset(root,item)}})).get()}(root,getPreviousItems(root,item).add(item)),toggle=root.find(SELECTORS_DROPDOWN_TOGGLE),caret=toggle.find(SELECTORS_CARET);getActiveItem(root).removeClass("active"),item.addClass("active"),toggle.html(item.text()),toggle.append(caret),PubSub.publish(id+PagedContentEvents.SHOW_PAGES,eventPayload)};return{init:function(root,id){root=$(root),function(items){items.each((function(index,item){(item=$(item)).attr("data-page-number",index+1)}))}(getAllItems(root));var activeItem=getActiveItem(root);activeItem.length&&setActiveItem(root,activeItem,id),CustomEvents.define(root,[CustomEvents.events.activate]),root.on(CustomEvents.events.activate,SELECTORS_DROPDOWN_ITEM,(function(e,data){var item=$(e.target).closest(SELECTORS_DROPDOWN_ITEM);setActiveItem(root,item,id),data.originalEvent.preventDefault()}))},rootSelector:'[data-region="paging-dropdown-container"]'}}));
+
+//# sourceMappingURL=paged_content_paging_dropdown.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/paged_content_paging_dropdown.min.js.map b/lib/amd/build/paged_content_paging_dropdown.min.js.map
index ef232a36edb..3e8491524e1 100644
--- a/lib/amd/build/paged_content_paging_dropdown.min.js.map
+++ b/lib/amd/build/paged_content_paging_dropdown.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to manage the paging dropdown control.\n *\n * @module     core/paged_content_paging_dropdown\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/custom_interaction_events',\n        'core/paged_content_events',\n        'core/pubsub'\n    ],\n    function(\n        $,\n        CustomEvents,\n        PagedContentEvents,\n        PubSub\n    ) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"paging-dropdown-container\"]',\n        DROPDOWN_ITEM: '[data-region=\"dropdown-item\"]',\n        DROPDOWN_TOGGLE: '[data-region=\"dropdown-toggle\"]',\n        ACTIVE_DROPDOWN_ITEM: '[data-region=\"dropdown-item\"].active',\n        CARET: '[data-region=\"caret\"]'\n    };\n\n    /**\n     * Get the page number.\n     *\n     * @param {jquery} item The dropdown item.\n     * @returns {Number}\n     */\n    var getPageNumber = function(item) {\n        return parseInt(item.attr('data-page-number'), 10);\n    };\n\n    /**\n     * Get all paging dropdown items.\n     *\n     * @param {jquery} root The root element.\n     * @returns {jquery} A jquery object with all items.\n     */\n    var getAllItems = function(root) {\n        return root.find(SELECTORS.DROPDOWN_ITEM);\n    };\n\n    /**\n     * Get all paging dropdown items with lower page numbers than the given\n     * dropdown item.\n     *\n     * @param {jquery} root The root element.\n     * @param {jquery} item The dropdown item.\n     * @returns {jquery} A jquery object with all items.\n     */\n    var getPreviousItems = function(root, item) {\n        var pageNumber = getPageNumber(item);\n        return getAllItems(root).filter(function(index, element) {\n            return getPageNumber($(element)) < pageNumber;\n        });\n    };\n\n    /**\n     * Get the number of items to be loaded for the dropdown item.\n     *\n     * @param {jquery} item The dropdown item.\n     * @returns {Number}\n     */\n    var getLimit = function(item) {\n        return parseInt(item.attr('data-item-count'), 10);\n    };\n\n    /**\n     * Get the offset of items from the start of the itemset for the given\n     * dropdown item.\n     *\n     * @param {jquery} root The root element.\n     * @param {jquery} item The dropdown item.\n     * @returns {Number}\n     */\n    var getOffset = function(root, item) {\n        if (item.attr('data-offset') != undefined) {\n            return parseInt(item.attr('data-offset'), 10);\n        }\n\n        var offset = 0;\n\n        getPreviousItems(root, item).each(function(index, prevItem) {\n            prevItem = $(prevItem);\n            offset += getLimit(prevItem);\n        });\n\n        item.attr('data-offset', offset);\n        return offset;\n    };\n\n    /**\n     * Get the active dropdown item.\n     *\n     * @param {jquery} root The root element.\n     * @returns {jquery} The active dropdown item.\n     */\n    var getActiveItem = function(root) {\n        return root.find(SELECTORS.ACTIVE_DROPDOWN_ITEM);\n    };\n\n    /**\n     * Create the event payload for the list of dropdown items. The event payload\n     * is an array of objects with one object per dropdown item.\n     *\n     * Each payload object contains the page number, limit, and offset for the\n     * corresponding dropdown item.\n     *\n     * For example: If we had 3 dropdown items with incrementing page numbers loading\n     * 25 items per page then the generated payload would look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 25,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 25,\n     *          offset: 25\n     *      },\n     *      {\n     *          pageNumber: 3,\n     *          limit: 25,\n     *          offset: 50\n     *      }\n     * ]\n     *\n     * @param {jquery} root The root element.\n     * @param {jquery} items The dropdown items.\n     * @returns {object[]} The payload for the event.\n     */\n    var generateEventPayload = function(root, items) {\n        return items.map(function(index, item) {\n            item = $(item);\n            return {\n                pageNumber: getPageNumber(item),\n                limit: getLimit(item),\n                offset: getOffset(root, item),\n            };\n        }).get();\n    };\n\n    /**\n     * Add page number attributes to each of the given items. The page numbers\n     * start at 1 and increment by 1 for each item, e.g. 1, 2, 3 etc.\n     *\n     * @param {jquery} items The dropdown items.\n     */\n    var generatePageNumbers = function(items) {\n        items.each(function(index, item) {\n            item = $(item);\n            item.attr('data-page-number', index + 1);\n        });\n    };\n\n    /**\n     * Make the given item active by setting the active class on it and firing\n     * the SHOW_PAGES event for the paged content to show the appropriate\n     * pages.\n     *\n     * @param {jquery} root The root element.\n     * @param {jquery} item The dropdown item.\n     * @param {string} id A unique id for this instance.\n     */\n    var setActiveItem = function(root, item, id) {\n        var prevItems = getPreviousItems(root, item);\n        var allItems = prevItems.add(item);\n        var eventPayload = generateEventPayload(root, allItems);\n        var toggle = root.find(SELECTORS.DROPDOWN_TOGGLE);\n        var caret = toggle.find(SELECTORS.CARET);\n\n        getActiveItem(root).removeClass('active');\n        item.addClass('active');\n\n        // Update the dropdown toggle to show which item is selected.\n        toggle.html(item.text());\n        // Bootstrap 2 compatibility.\n        toggle.append(caret);\n        // Fire the event to tell the content to update.\n        PubSub.publish(id + PagedContentEvents.SHOW_PAGES, eventPayload);\n    };\n\n    /**\n     * Initialise the module by firing the SHOW_PAGES event for an existing\n     * active page found and setting up the event listener for the user to select\n     * new pages.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A unique id for this instance.\n     */\n    var init = function(root, id) {\n        root = $(root);\n        var items = getAllItems(root);\n        generatePageNumbers(items);\n\n        var activeItem = getActiveItem(root);\n        if (activeItem.length) {\n            // Fire the first event for the content to make sure it's visible.\n            setActiveItem(root, activeItem, id);\n        }\n\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.DROPDOWN_ITEM, function(e, data) {\n            var item = $(e.target).closest(SELECTORS.DROPDOWN_ITEM);\n            setActiveItem(root, item, id);\n\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"file":"paged_content_paging_dropdown.min.js"}
\ No newline at end of file
+{"version":3,"file":"paged_content_paging_dropdown.min.js","sources":["../src/paged_content_paging_dropdown.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to manage the paging dropdown control.\n *\n * @module     core/paged_content_paging_dropdown\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/custom_interaction_events',\n        'core/paged_content_events',\n        'core/pubsub'\n    ],\n    function(\n        $,\n        CustomEvents,\n        PagedContentEvents,\n        PubSub\n    ) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"paging-dropdown-container\"]',\n        DROPDOWN_ITEM: '[data-region=\"dropdown-item\"]',\n        DROPDOWN_TOGGLE: '[data-region=\"dropdown-toggle\"]',\n        ACTIVE_DROPDOWN_ITEM: '[data-region=\"dropdown-item\"].active',\n        CARET: '[data-region=\"caret\"]'\n    };\n\n    /**\n     * Get the page number.\n     *\n     * @param {jquery} item The dropdown item.\n     * @returns {Number}\n     */\n    var getPageNumber = function(item) {\n        return parseInt(item.attr('data-page-number'), 10);\n    };\n\n    /**\n     * Get all paging dropdown items.\n     *\n     * @param {jquery} root The root element.\n     * @returns {jquery} A jquery object with all items.\n     */\n    var getAllItems = function(root) {\n        return root.find(SELECTORS.DROPDOWN_ITEM);\n    };\n\n    /**\n     * Get all paging dropdown items with lower page numbers than the given\n     * dropdown item.\n     *\n     * @param {jquery} root The root element.\n     * @param {jquery} item The dropdown item.\n     * @returns {jquery} A jquery object with all items.\n     */\n    var getPreviousItems = function(root, item) {\n        var pageNumber = getPageNumber(item);\n        return getAllItems(root).filter(function(index, element) {\n            return getPageNumber($(element)) < pageNumber;\n        });\n    };\n\n    /**\n     * Get the number of items to be loaded for the dropdown item.\n     *\n     * @param {jquery} item The dropdown item.\n     * @returns {Number}\n     */\n    var getLimit = function(item) {\n        return parseInt(item.attr('data-item-count'), 10);\n    };\n\n    /**\n     * Get the offset of items from the start of the itemset for the given\n     * dropdown item.\n     *\n     * @param {jquery} root The root element.\n     * @param {jquery} item The dropdown item.\n     * @returns {Number}\n     */\n    var getOffset = function(root, item) {\n        if (item.attr('data-offset') != undefined) {\n            return parseInt(item.attr('data-offset'), 10);\n        }\n\n        var offset = 0;\n\n        getPreviousItems(root, item).each(function(index, prevItem) {\n            prevItem = $(prevItem);\n            offset += getLimit(prevItem);\n        });\n\n        item.attr('data-offset', offset);\n        return offset;\n    };\n\n    /**\n     * Get the active dropdown item.\n     *\n     * @param {jquery} root The root element.\n     * @returns {jquery} The active dropdown item.\n     */\n    var getActiveItem = function(root) {\n        return root.find(SELECTORS.ACTIVE_DROPDOWN_ITEM);\n    };\n\n    /**\n     * Create the event payload for the list of dropdown items. The event payload\n     * is an array of objects with one object per dropdown item.\n     *\n     * Each payload object contains the page number, limit, and offset for the\n     * corresponding dropdown item.\n     *\n     * For example: If we had 3 dropdown items with incrementing page numbers loading\n     * 25 items per page then the generated payload would look like:\n     * [\n     *      {\n     *          pageNumber: 1,\n     *          limit: 25,\n     *          offset: 0\n     *      },\n     *      {\n     *          pageNumber: 2,\n     *          limit: 25,\n     *          offset: 25\n     *      },\n     *      {\n     *          pageNumber: 3,\n     *          limit: 25,\n     *          offset: 50\n     *      }\n     * ]\n     *\n     * @param {jquery} root The root element.\n     * @param {jquery} items The dropdown items.\n     * @returns {object[]} The payload for the event.\n     */\n    var generateEventPayload = function(root, items) {\n        return items.map(function(index, item) {\n            item = $(item);\n            return {\n                pageNumber: getPageNumber(item),\n                limit: getLimit(item),\n                offset: getOffset(root, item),\n            };\n        }).get();\n    };\n\n    /**\n     * Add page number attributes to each of the given items. The page numbers\n     * start at 1 and increment by 1 for each item, e.g. 1, 2, 3 etc.\n     *\n     * @param {jquery} items The dropdown items.\n     */\n    var generatePageNumbers = function(items) {\n        items.each(function(index, item) {\n            item = $(item);\n            item.attr('data-page-number', index + 1);\n        });\n    };\n\n    /**\n     * Make the given item active by setting the active class on it and firing\n     * the SHOW_PAGES event for the paged content to show the appropriate\n     * pages.\n     *\n     * @param {jquery} root The root element.\n     * @param {jquery} item The dropdown item.\n     * @param {string} id A unique id for this instance.\n     */\n    var setActiveItem = function(root, item, id) {\n        var prevItems = getPreviousItems(root, item);\n        var allItems = prevItems.add(item);\n        var eventPayload = generateEventPayload(root, allItems);\n        var toggle = root.find(SELECTORS.DROPDOWN_TOGGLE);\n        var caret = toggle.find(SELECTORS.CARET);\n\n        getActiveItem(root).removeClass('active');\n        item.addClass('active');\n\n        // Update the dropdown toggle to show which item is selected.\n        toggle.html(item.text());\n        // Bootstrap 2 compatibility.\n        toggle.append(caret);\n        // Fire the event to tell the content to update.\n        PubSub.publish(id + PagedContentEvents.SHOW_PAGES, eventPayload);\n    };\n\n    /**\n     * Initialise the module by firing the SHOW_PAGES event for an existing\n     * active page found and setting up the event listener for the user to select\n     * new pages.\n     *\n     * @param {object} root The root element.\n     * @param {string} id A unique id for this instance.\n     */\n    var init = function(root, id) {\n        root = $(root);\n        var items = getAllItems(root);\n        generatePageNumbers(items);\n\n        var activeItem = getActiveItem(root);\n        if (activeItem.length) {\n            // Fire the first event for the content to make sure it's visible.\n            setActiveItem(root, activeItem, id);\n        }\n\n        CustomEvents.define(root, [\n            CustomEvents.events.activate\n        ]);\n\n        root.on(CustomEvents.events.activate, SELECTORS.DROPDOWN_ITEM, function(e, data) {\n            var item = $(e.target).closest(SELECTORS.DROPDOWN_ITEM);\n            setActiveItem(root, item, id);\n\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    return {\n        init: init,\n        rootSelector: SELECTORS.ROOT,\n    };\n});\n"],"names":["define","$","CustomEvents","PagedContentEvents","PubSub","SELECTORS","getPageNumber","item","parseInt","attr","getAllItems","root","find","getPreviousItems","pageNumber","filter","index","element","getLimit","getOffset","undefined","offset","each","prevItem","getActiveItem","setActiveItem","id","eventPayload","items","map","limit","get","generateEventPayload","add","toggle","caret","removeClass","addClass","html","text","append","publish","SHOW_PAGES","init","generatePageNumbers","activeItem","length","events","activate","on","e","data","target","closest","originalEvent","preventDefault","rootSelector"],"mappings":";;;;;;;AAsBAA,4CACI,CACI,SACA,iCACA,4BACA,gBAEJ,SACIC,EACAC,aACAC,mBACAC,YAGAC,wBAEe,gCAFfA,0BAGiB,kCAHjBA,+BAIsB,uCAJtBA,gBAKO,wBASPC,cAAgB,SAASC,aAClBC,SAASD,KAAKE,KAAK,oBAAqB,KAS/CC,YAAc,SAASC,aAChBA,KAAKC,KAAKP,0BAWjBQ,iBAAmB,SAASF,KAAMJ,UAC9BO,WAAaR,cAAcC,aACxBG,YAAYC,MAAMI,QAAO,SAASC,MAAOC,gBACrCX,cAAcL,EAAEgB,UAAYH,eAUvCI,SAAW,SAASX,aACbC,SAASD,KAAKE,KAAK,mBAAoB,KAW9CU,UAAY,SAASR,KAAMJ,SACKa,MAA5Bb,KAAKE,KAAK,sBACHD,SAASD,KAAKE,KAAK,eAAgB,QAG1CY,OAAS,SAEbR,iBAAiBF,KAAMJ,MAAMe,MAAK,SAASN,MAAOO,UAC9CA,SAAWtB,EAAEsB,UACbF,QAAUH,SAASK,aAGvBhB,KAAKE,KAAK,cAAeY,QAClBA,QASPG,cAAgB,SAASb,aAClBA,KAAKC,KAAKP,iCAmEjBoB,cAAgB,SAASd,KAAMJ,KAAMmB,QAGjCC,aApCmB,SAAShB,KAAMiB,cAC/BA,MAAMC,KAAI,SAASb,MAAOT,aAC7BA,KAAON,EAAEM,MACF,CACHO,WAAYR,cAAcC,MAC1BuB,MAAOZ,SAASX,MAChBc,OAAQF,UAAUR,KAAMJ,UAE7BwB,MA4BgBC,CAAqBrB,KAFxBE,iBAAiBF,KAAMJ,MACd0B,IAAI1B,OAEzB2B,OAASvB,KAAKC,KAAKP,2BACnB8B,MAAQD,OAAOtB,KAAKP,iBAExBmB,cAAcb,MAAMyB,YAAY,UAChC7B,KAAK8B,SAAS,UAGdH,OAAOI,KAAK/B,KAAKgC,QAEjBL,OAAOM,OAAOL,OAEd/B,OAAOqC,QAAQf,GAAKvB,mBAAmBuC,WAAYf,qBAkChD,CACHgB,KAxBO,SAAShC,KAAMe,IACtBf,KAAOV,EAAEU,MA3Ca,SAASiB,OAC/BA,MAAMN,MAAK,SAASN,MAAOT,OACvBA,KAAON,EAAEM,OACJE,KAAK,mBAAoBO,MAAQ,MA0C1C4B,CADYlC,YAAYC,WAGpBkC,WAAarB,cAAcb,MAC3BkC,WAAWC,QAEXrB,cAAcd,KAAMkC,WAAYnB,IAGpCxB,aAAaF,OAAOW,KAAM,CACtBT,aAAa6C,OAAOC,WAGxBrC,KAAKsC,GAAG/C,aAAa6C,OAAOC,SAAU3C,yBAAyB,SAAS6C,EAAGC,UACnE5C,KAAON,EAAEiD,EAAEE,QAAQC,QAAQhD,yBAC/BoB,cAAcd,KAAMJ,KAAMmB,IAE1ByB,KAAKG,cAAcC,qBAMvBC,aAzMM"}
\ No newline at end of file
diff --git a/lib/amd/build/pending.min.js b/lib/amd/build/pending.min.js
index f1c876c9309..353dffc39b3 100644
--- a/lib/amd/build/pending.min.js
+++ b/lib/amd/build/pending.min.js
@@ -1,2 +1,12 @@
-define ("core/pending",["jquery"],function(a){var b=function(b){var c=a.Deferred();b=b||{};M.util.js_pending(b);c.then(function(){return M.util.js_complete(b)}).catch();return c};b.prototype.constructor=b;return b});
-//# sourceMappingURL=pending.min.js.map
+/**
+ * A helper to manage pendingJS checks.
+ *
+ * @module     core/pending
+ * @package    core
+ * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.6
+ */
+define("core/pending",["jquery"],(function($){var request=function(pendingKey){var pendingPromise=$.Deferred();return pendingKey=pendingKey||{},M.util.js_pending(pendingKey),pendingPromise.then((function(){return M.util.js_complete(pendingKey)})).catch(),pendingPromise};return request.prototype.constructor=request,request}));
+
+//# sourceMappingURL=pending.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/pending.min.js.map b/lib/amd/build/pending.min.js.map
index d8e2a7725a1..4e65887df9b 100644
--- a/lib/amd/build/pending.min.js.map
+++ b/lib/amd/build/pending.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/pending.js"],"names":["define","$","request","pendingKey","pendingPromise","Deferred","M","util","js_pending","then","js_complete","catch","prototype","constructor"],"mappings":"AAwBAA,OAAM,gBAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAU3B,GAAIC,CAAAA,CAAO,CAAG,SAASC,CAAT,CAAqB,CAC/B,GAAIC,CAAAA,CAAc,CAAGH,CAAC,CAACI,QAAF,EAArB,CAEAF,CAAU,CAAGA,CAAU,EAAI,EAA3B,CACAG,CAAC,CAACC,IAAF,CAAOC,UAAP,CAAkBL,CAAlB,EAEAC,CAAc,CAACK,IAAf,CAAoB,UAAW,CAC3B,MAAOH,CAAAA,CAAC,CAACC,IAAF,CAAOG,WAAP,CAAmBP,CAAnB,CACV,CAFD,EAGCQ,KAHD,GAKA,MAAOP,CAAAA,CACV,CAZD,CAcAF,CAAO,CAACU,SAAR,CAAkBC,WAAlB,CAAgCX,CAAhC,CAEA,MAAOA,CAAAA,CACV,CA3BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A helper to manage pendingJS checks.\n *\n * @module     core/pending\n * @package    core\n * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.6\n */\ndefine(['jquery'], function($) {\n\n   /**\n    * Request a new pendingPromise to be resolved.\n    *\n    * When the action you are performing is complete, simply call resolve on the returned Promise.\n    *\n    * @param    {Object}    pendingKey An optional key value to use\n    * @return   {Promise}\n    */\n    var request = function(pendingKey) {\n        var pendingPromise = $.Deferred();\n\n        pendingKey = pendingKey || {};\n        M.util.js_pending(pendingKey);\n\n        pendingPromise.then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch();\n\n        return pendingPromise;\n    };\n\n    request.prototype.constructor = request;\n\n    return request;\n});\n"],"file":"pending.min.js"}
\ No newline at end of file
+{"version":3,"file":"pending.min.js","sources":["../src/pending.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A helper to manage pendingJS checks.\n *\n * @module     core/pending\n * @package    core\n * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.6\n */\ndefine(['jquery'], function($) {\n\n   /**\n    * Request a new pendingPromise to be resolved.\n    *\n    * When the action you are performing is complete, simply call resolve on the returned Promise.\n    *\n    * @param    {Object}    pendingKey An optional key value to use\n    * @return   {Promise}\n    */\n    var request = function(pendingKey) {\n        var pendingPromise = $.Deferred();\n\n        pendingKey = pendingKey || {};\n        M.util.js_pending(pendingKey);\n\n        pendingPromise.then(function() {\n            return M.util.js_complete(pendingKey);\n        })\n        .catch();\n\n        return pendingPromise;\n    };\n\n    request.prototype.constructor = request;\n\n    return request;\n});\n"],"names":["define","$","request","pendingKey","pendingPromise","Deferred","M","util","js_pending","then","js_complete","catch","prototype","constructor"],"mappings":";;;;;;;;;AAwBAA,sBAAO,CAAC,WAAW,SAASC,OAUpBC,QAAU,SAASC,gBACfC,eAAiBH,EAAEI,kBAEvBF,WAAaA,YAAc,GAC3BG,EAAEC,KAAKC,WAAWL,YAElBC,eAAeK,MAAK,kBACTH,EAAEC,KAAKG,YAAYP,eAE7BQ,QAEMP,uBAGXF,QAAQU,UAAUC,YAAcX,QAEzBA"}
\ No newline at end of file
diff --git a/lib/amd/build/permissionmanager.min.js b/lib/amd/build/permissionmanager.min.js
index c31b82dc31e..09fcbc9a019 100644
--- a/lib/amd/build/permissionmanager.min.js
+++ b/lib/amd/build/permissionmanager.min.js
@@ -1,2 +1,10 @@
-define ("core/permissionmanager",["jquery","core/config","core/notification","core/templates","core/yui"],function(a,b,c,d,e){var f={ADDROLE:"a.allowlink, a.prohibitlink",REMOVEROLE:"a.preventlink, a.unprohibitlink",UNPROHIBIT:"a.unprohibitlink"},g=a.Event("rolesloaded"),h,j,k,l,m=null,n=function loadOverideableRoles(){var d={contextid:h,getroles:1,sesskey:b.sesskey};a.post(k+"roles/ajax.php",d,null,"json").done(function(b){try{l=b;n=function loadOverideableRoles(){a("body").trigger(g)};n()}catch(a){c.exception(a)}}).fail(function(a,b,d){c.exception(d)})},o=function(b,e,f){var g={contextid:h,roleid:e,sesskey:M.cfg.sesskey,action:f,capability:b.data("name")};a.post(k+"roles/ajax.php",g,null,"json").done(function(f){var g=f;try{var h={rolename:l[e],roleid:e,adminurl:k,imageurl:M.util.image_url("t/delete","moodle")};switch(g){case"allow":h.spanclass="allowed";h.linkclass="preventlink";h.action="prevent";h.icon="t/delete";h.iconalt=M.util.get_string("deletexrole","core_role",l[e]);break;case"prohibit":h.spanclass="forbidden";h.linkclass="unprohibitlink";h.action="unprohibit";h.icon="t/delete";h.iconalt=M.util.get_string("deletexrole","core_role",l[e]);break;case"prevent":b.find("a[data-role-id=\""+e+"\"]").first().closest(".allowed").remove();return;case"unprohibit":b.find("a[data-role-id=\""+e+"\"]").first().closest(".forbidden").remove();return;default:return;}d.render("core/permissionmanager_role",h).done(function(c){if("allow"==g){a(c).insertBefore(b.find(".allowmore").first())}else if("prohibit"==g){a(c).insertBefore(b.find(".prohibitmore").first());var d=b.find(".allowedroles").first().find("a[data-role-id=\""+e+"\"]");if(d){d.first().closest(".allowed").remove()}}m.hide()}).fail(c.exception)}catch(a){c.exception(a)}}).fail(function(a,b,d){c.exception(d)})},p=function(b){b.preventDefault();var g=a(b.currentTarget);a("body").one("rolesloaded",function(){e.use("moodle-core-notification-dialogue",function(){var b=g.data("action"),h=g.closest("tr.rolecap"),k={cap:h.data("humanname"),context:j},n=M.util.get_string("role"+b+"info","core_role",k);if(null===m){m=new M.core.dialogue({draggable:!0,modal:!0,closeButton:!0,width:"450px"})}m.set("headerContent",M.util.get_string("role"+b+"header","core_role"));var p,e,q=[];switch(b){case"allow":e=h.find(f.REMOVEROLE);break;case"prohibit":e=h.find(f.UNPROHIBIT);break;}for(p in l){var r="",s=e.filter("[data-role-id='"+p+"']").length;if(s){r="disabled"}var t={roleid:p,rolename:l[p],disabled:r};q.push(t)}d.render("core/permissionmanager_panelcontent",{message:n,roles:q}).done(function(c){m.set("bodyContent",c);m.show();a("div.role_buttons").on("click","button",function(c){var d=a(c.currentTarget).data("role-id");o(h,d,b)})}).fail(c.exception)})});n()},q=function(b){b.preventDefault();var d=a(b.currentTarget);a("body").one("rolesloaded",function(){var a=d.data("action"),b=d.data("role-id"),e=d.closest("tr.rolecap"),f={role:l[b],cap:e.data("humanname"),context:j};c.confirm(M.util.get_string("confirmunassigntitle","core_role"),M.util.get_string("confirmrole"+a,"core_role",f),M.util.get_string("confirmunassignyes","core_role"),M.util.get_string("confirmunassignno","core_role"),function(){o(e,b,a)})});n()};return{initialize:function initialize(b){h=b.contextid;j=b.contextname;k=b.adminurl;var c=a("body");c.on("click",f.ADDROLE,p);c.on("click",f.REMOVEROLE,q)}}});
-//# sourceMappingURL=permissionmanager.min.js.map
+/*
+ * @package    core
+ * @class      permissionmanager
+ * @copyright  2015 Martin Mastny <mastnym@vscht.cz>
+ * @since      3.0
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/permissionmanager",["jquery","core/config","core/notification","core/templates","core/yui"],(function($,config,notification,templates,Y){var contextid,contextname,adminurl,overideableroles,SELECTORS_ADDROLE="a.allowlink, a.prohibitlink",SELECTORS_REMOVEROLE="a.preventlink, a.unprohibitlink",SELECTORS_UNPROHIBIT="a.unprohibitlink",rolesloadedevent=$.Event("rolesloaded"),panel=null,_loadOverideableRoles=function(){var params={contextid:contextid,getroles:1,sesskey:config.sesskey};$.post(adminurl+"roles/ajax.php",params,null,"json").done((function(data){try{overideableroles=data,(_loadOverideableRoles=function(){$("body").trigger(rolesloadedevent)})()}catch(err){notification.exception(err)}})).fail((function(jqXHR,status,error){notification.exception(error)}))},changePermissions=function(row,roleid,action){var params={contextid:contextid,roleid:roleid,sesskey:M.cfg.sesskey,action:action,capability:row.data("name")};$.post(adminurl+"roles/ajax.php",params,null,"json").done((function(data){var action=data;try{var templatedata={rolename:overideableroles[roleid],roleid:roleid,adminurl:adminurl,imageurl:M.util.image_url("t/delete","moodle")};switch(action){case"allow":templatedata.spanclass="allowed",templatedata.linkclass="preventlink",templatedata.action="prevent",templatedata.icon="t/delete",templatedata.iconalt=M.util.get_string("deletexrole","core_role",overideableroles[roleid]);break;case"prohibit":templatedata.spanclass="forbidden",templatedata.linkclass="unprohibitlink",templatedata.action="unprohibit",templatedata.icon="t/delete",templatedata.iconalt=M.util.get_string("deletexrole","core_role",overideableroles[roleid]);break;case"prevent":return void row.find('a[data-role-id="'+roleid+'"]').first().closest(".allowed").remove();case"unprohibit":return void row.find('a[data-role-id="'+roleid+'"]').first().closest(".forbidden").remove();default:return}templates.render("core/permissionmanager_role",templatedata).done((function(content){if("allow"==action)$(content).insertBefore(row.find(".allowmore").first());else if("prohibit"==action){$(content).insertBefore(row.find(".prohibitmore").first());var allowedLink=row.find(".allowedroles").first().find('a[data-role-id="'+roleid+'"]');allowedLink&&allowedLink.first().closest(".allowed").remove()}panel.hide()})).fail(notification.exception)}catch(err){notification.exception(err)}})).fail((function(jqXHR,status,error){notification.exception(error)}))},handleAddRole=function(e){e.preventDefault();var link=$(e.currentTarget);$("body").one("rolesloaded",(function(){Y.use("moodle-core-notification-dialogue",(function(){var i,existingrolelinks,action=link.data("action"),row=link.closest("tr.rolecap"),confirmationDetails={cap:row.data("humanname"),context:contextname},message=M.util.get_string("role"+action+"info","core_role",confirmationDetails);null===panel&&(panel=new M.core.dialogue({draggable:!0,modal:!0,closeButton:!0,width:"450px"})),panel.set("headerContent",M.util.get_string("role"+action+"header","core_role"));var roles=[];switch(action){case"allow":existingrolelinks=row.find(SELECTORS_REMOVEROLE);break;case"prohibit":existingrolelinks=row.find(SELECTORS_UNPROHIBIT)}for(i in overideableroles){var disabled="";existingrolelinks.filter("[data-role-id='"+i+"']").length&&(disabled="disabled");var roledetails={roleid:i,rolename:overideableroles[i],disabled:disabled};roles.push(roledetails)}templates.render("core/permissionmanager_panelcontent",{message:message,roles:roles}).done((function(content){panel.set("bodyContent",content),panel.show(),$("div.role_buttons").on("click","button",(function(e){var roleid=$(e.currentTarget).data("role-id");changePermissions(row,roleid,action)}))})).fail(notification.exception)}))})),_loadOverideableRoles()},handleRemoveRole=function(e){e.preventDefault();var link=$(e.currentTarget);$("body").one("rolesloaded",(function(){var action=link.data("action"),roleid=link.data("role-id"),row=link.closest("tr.rolecap"),questionDetails={role:overideableroles[roleid],cap:row.data("humanname"),context:contextname};notification.confirm(M.util.get_string("confirmunassigntitle","core_role"),M.util.get_string("confirmrole"+action,"core_role",questionDetails),M.util.get_string("confirmunassignyes","core_role"),M.util.get_string("confirmunassignno","core_role"),(function(){changePermissions(row,roleid,action)}))})),_loadOverideableRoles()};return{initialize:function(args){contextid=args.contextid,contextname=args.contextname,adminurl=args.adminurl;var body=$("body");body.on("click",SELECTORS_ADDROLE,handleAddRole),body.on("click",SELECTORS_REMOVEROLE,handleRemoveRole)}}}));
+
+//# sourceMappingURL=permissionmanager.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/permissionmanager.min.js.map b/lib/amd/build/permissionmanager.min.js.map
index 342ae467b36..fbf86e03461 100644
--- a/lib/amd/build/permissionmanager.min.js.map
+++ b/lib/amd/build/permissionmanager.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/permissionmanager.js"],"names":["define","$","config","notification","templates","Y","SELECTORS","ADDROLE","REMOVEROLE","UNPROHIBIT","rolesloadedevent","Event","contextid","contextname","adminurl","overideableroles","panel","loadOverideableRoles","params","getroles","sesskey","post","done","data","trigger","err","exception","fail","jqXHR","status","error","changePermissions","row","roleid","action","M","cfg","capability","templatedata","rolename","imageurl","util","image_url","spanclass","linkclass","icon","iconalt","get_string","find","first","closest","remove","render","content","insertBefore","allowedLink","hide","handleAddRole","e","preventDefault","link","currentTarget","one","use","confirmationDetails","cap","context","message","core","dialogue","draggable","modal","closeButton","width","set","i","existingrolelinks","roles","disabled","disable","filter","length","roledetails","push","show","on","handleRemoveRole","questionDetails","role","confirm","initialize","args","body"],"mappings":"AAyBAA,OAAM,0BAAC,CAAC,QAAD,CAAW,aAAX,CAA0B,mBAA1B,CAA+C,gBAA/C,CAAiE,UAAjE,CAAD,CACF,SAASC,CAAT,CAAYC,CAAZ,CAAoBC,CAApB,CAAkCC,CAAlC,CAA6CC,CAA7C,CAAgD,IAM5CC,CAAAA,CAAS,CAAG,CACZC,OAAO,CAAE,6BADG,CAEZC,UAAU,CAAE,iCAFA,CAGZC,UAAU,CAAE,kBAHA,CANgC,CAW5CC,CAAgB,CAAGT,CAAC,CAACU,KAAF,CAAQ,aAAR,CAXyB,CAY5CC,CAZ4C,CAa5CC,CAb4C,CAc5CC,CAd4C,CAe5CC,CAf4C,CAgB5CC,CAAK,CAAG,IAhBoC,CAwB5CC,CAAoB,CAAG,+BAAW,CAClC,GAAIC,CAAAA,CAAM,CAAG,CACTN,SAAS,CAAEA,CADF,CAETO,QAAQ,CAAE,CAFD,CAGTC,OAAO,CAAElB,CAAM,CAACkB,OAHP,CAAb,CAOAnB,CAAC,CAACoB,IAAF,CAAOP,CAAQ,CAAG,gBAAlB,CAAoCI,CAApC,CAA4C,IAA5C,CAAkD,MAAlD,EACKI,IADL,CACU,SAASC,CAAT,CAAe,CACnB,GAAI,CACAR,CAAgB,CAAGQ,CAAnB,CACAN,CAAoB,CAAG,+BAAW,CAC9BhB,CAAC,CAAC,MAAD,CAAD,CAAUuB,OAAV,CAAkBd,CAAlB,CACH,CAFD,CAGAO,CAAoB,EACvB,CAAC,MAAOQ,CAAP,CAAY,CACVtB,CAAY,CAACuB,SAAb,CAAuBD,CAAvB,CACH,CACF,CAXL,EAYKE,IAZL,CAYU,SAASC,CAAT,CAAgBC,CAAhB,CAAwBC,CAAxB,CAA+B,CACjC3B,CAAY,CAACuB,SAAb,CAAuBI,CAAvB,CACH,CAdL,CAeH,CA/C+C,CA0D5CC,CAAiB,CAAG,SAASC,CAAT,CAAcC,CAAd,CAAsBC,CAAtB,CAA8B,CAClD,GAAIhB,CAAAA,CAAM,CAAG,CACTN,SAAS,CAAEA,CADF,CAETqB,MAAM,CAAEA,CAFC,CAGTb,OAAO,CAAEe,CAAC,CAACC,GAAF,CAAMhB,OAHN,CAITc,MAAM,CAAEA,CAJC,CAKTG,UAAU,CAAEL,CAAG,CAACT,IAAJ,CAAS,MAAT,CALH,CAAb,CAOAtB,CAAC,CAACoB,IAAF,CAAOP,CAAQ,CAAG,gBAAlB,CAAoCI,CAApC,CAA4C,IAA5C,CAAkD,MAAlD,EACCI,IADD,CACM,SAASC,CAAT,CAAe,CACjB,GAAIW,CAAAA,CAAM,CAAGX,CAAb,CACA,GAAI,CACA,GAAIe,CAAAA,CAAY,CAAG,CAACC,QAAQ,CAAExB,CAAgB,CAACkB,CAAD,CAA3B,CACCA,MAAM,CAAEA,CADT,CAECnB,QAAQ,CAAEA,CAFX,CAGC0B,QAAQ,CAAEL,CAAC,CAACM,IAAF,CAAOC,SAAP,CAAiB,UAAjB,CAA6B,QAA7B,CAHX,CAAnB,CAKA,OAAQR,CAAR,EACI,IAAK,OAAL,CACII,CAAY,CAACK,SAAb,CAAyB,SAAzB,CACAL,CAAY,CAACM,SAAb,CAAyB,aAAzB,CACAN,CAAY,CAACJ,MAAb,CAAsB,SAAtB,CACAI,CAAY,CAACO,IAAb,CAAoB,UAApB,CACAP,CAAY,CAACQ,OAAb,CAAuBX,CAAC,CAACM,IAAF,CAAOM,UAAP,CAAkB,aAAlB,CAAiC,WAAjC,CAA8ChC,CAAgB,CAACkB,CAAD,CAA9D,CAAvB,CACA,MACJ,IAAK,UAAL,CACIK,CAAY,CAACK,SAAb,CAAyB,WAAzB,CACAL,CAAY,CAACM,SAAb,CAAyB,gBAAzB,CACAN,CAAY,CAACJ,MAAb,CAAsB,YAAtB,CACAI,CAAY,CAACO,IAAb,CAAoB,UAApB,CACAP,CAAY,CAACQ,OAAb,CAAuBX,CAAC,CAACM,IAAF,CAAOM,UAAP,CAAkB,aAAlB,CAAiC,WAAjC,CAA8ChC,CAAgB,CAACkB,CAAD,CAA9D,CAAvB,CACA,MACJ,IAAK,SAAL,CACID,CAAG,CAACgB,IAAJ,CAAS,oBAAqBf,CAArB,CAA8B,KAAvC,EAA6CgB,KAA7C,GAAqDC,OAArD,CAA6D,UAA7D,EAAyEC,MAAzE,GACA,OACJ,IAAK,YAAL,CACInB,CAAG,CAACgB,IAAJ,CAAS,oBAAqBf,CAArB,CAA8B,KAAvC,EAA6CgB,KAA7C,GAAqDC,OAArD,CAA6D,YAA7D,EAA2EC,MAA3E,GACA,OACJ,QACI,OAtBR,CAwBA/C,CAAS,CAACgD,MAAV,CAAiB,6BAAjB,CAAgDd,CAAhD,EACChB,IADD,CACM,SAAS+B,CAAT,CAAkB,CACpB,GAAc,OAAV,EAAAnB,CAAJ,CAAuB,CACnBjC,CAAC,CAACoD,CAAD,CAAD,CAAWC,YAAX,CAAwBtB,CAAG,CAACgB,IAAJ,CAAS,YAAT,EAAuBC,KAAvB,EAAxB,CACH,CAFD,IAEO,IAAc,UAAV,EAAAf,CAAJ,CAA0B,CAC7BjC,CAAC,CAACoD,CAAD,CAAD,CAAWC,YAAX,CAAwBtB,CAAG,CAACgB,IAAJ,CAAS,eAAT,EAA0BC,KAA1B,EAAxB,EAEA,GAAIM,CAAAA,CAAW,CAAGvB,CAAG,CAACgB,IAAJ,CAAS,eAAT,EAA0BC,KAA1B,GAAkCD,IAAlC,CAAuC,oBAAqBf,CAArB,CAA8B,KAArE,CAAlB,CACA,GAAIsB,CAAJ,CAAiB,CACbA,CAAW,CAACN,KAAZ,GAAoBC,OAApB,CAA4B,UAA5B,EAAwCC,MAAxC,EACH,CACJ,CACDnC,CAAK,CAACwC,IAAN,EACH,CAbD,EAcC7B,IAdD,CAcMxB,CAAY,CAACuB,SAdnB,CAeH,CAAC,MAAOD,CAAP,CAAY,CACVtB,CAAY,CAACuB,SAAb,CAAuBD,CAAvB,CACH,CACJ,CAnDD,EAoDCE,IApDD,CAoDM,SAASC,CAAT,CAAgBC,CAAhB,CAAwBC,CAAxB,CAA+B,CACjC3B,CAAY,CAACuB,SAAb,CAAuBI,CAAvB,CACH,CAtDD,CAuDH,CAzH+C,CAkI5C2B,CAAa,CAAG,SAASC,CAAT,CAAY,CAC5BA,CAAC,CAACC,cAAF,GAEA,GAAIC,CAAAA,CAAI,CAAG3D,CAAC,CAACyD,CAAC,CAACG,aAAH,CAAZ,CAGA5D,CAAC,CAAC,MAAD,CAAD,CAAU6D,GAAV,CAAc,aAAd,CAA6B,UAAW,CACpCzD,CAAC,CAAC0D,GAAF,CAAM,mCAAN,CAA2C,UAAW,IAC9C7B,CAAAA,CAAM,CAAG0B,CAAI,CAACrC,IAAL,CAAU,QAAV,CADqC,CAE9CS,CAAG,CAAG4B,CAAI,CAACV,OAAL,CAAa,YAAb,CAFwC,CAG9Cc,CAAmB,CAAG,CACtBC,GAAG,CAAEjC,CAAG,CAACT,IAAJ,CAAS,WAAT,CADiB,CAEtB2C,OAAO,CAAErD,CAFa,CAHwB,CAO9CsD,CAAO,CAAGhC,CAAC,CAACM,IAAF,CAAOM,UAAP,CAAkB,OAASb,CAAT,CAAkB,MAApC,CAA4C,WAA5C,CAAyD8B,CAAzD,CAPoC,CAQlD,GAAc,IAAV,GAAAhD,CAAJ,CAAoB,CAChBA,CAAK,CAAG,GAAImB,CAAAA,CAAC,CAACiC,IAAF,CAAOC,QAAX,CAAoB,CACxBC,SAAS,GADe,CAExBC,KAAK,GAFmB,CAGxBC,WAAW,GAHa,CAIxBC,KAAK,CAAE,OAJiB,C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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n/*\n * @package    core\n * @class      permissionmanager\n * @copyright  2015 Martin Mastny <mastnym@vscht.cz>\n * @since      3.0\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n /**\n  * @module admin/permissionmanager\n  */\ndefine(['jquery', 'core/config', 'core/notification', 'core/templates', 'core/yui'],\n    function($, config, notification, templates, Y) {\n\n     /**\n      * Used CSS selectors\n      * @access private\n      */\n    var SELECTORS = {\n        ADDROLE: 'a.allowlink, a.prohibitlink',\n        REMOVEROLE: 'a.preventlink, a.unprohibitlink',\n        UNPROHIBIT: 'a.unprohibitlink'\n        };\n    var rolesloadedevent = $.Event('rolesloaded');\n    var contextid;\n    var contextname;\n    var adminurl;\n    var overideableroles;\n    var panel = null;\n\n    /**\n     * Load all possible roles, which could be assigned from server\n     *\n     * @access private\n     * @method loadOverideableRoles\n     */\n    var loadOverideableRoles = function() {\n        var params = {\n            contextid: contextid,\n            getroles: 1,\n            sesskey: config.sesskey\n        };\n\n        // Need to tell jQuery to expect JSON as the content type may not be correct (MDL-55041).\n        $.post(adminurl + 'roles/ajax.php', params, null, 'json')\n            .done(function(data) {\n              try {\n                  overideableroles = data;\n                  loadOverideableRoles = function() {\n                      $('body').trigger(rolesloadedevent);\n                  };\n                  loadOverideableRoles();\n              } catch (err) {\n                  notification.exception(err);\n              }\n            })\n            .fail(function(jqXHR, status, error) {\n                notification.exception(error);\n            });\n    };\n\n    /**\n     * Perform the UI changes after server change\n     *\n     * @access private\n     * @method changePermissions\n     * @param {JQuery} row\n     * @param {int} roleid\n     * @param {string} action\n     */\n    var changePermissions = function(row, roleid, action) {\n        var params = {\n            contextid: contextid,\n            roleid: roleid,\n            sesskey: M.cfg.sesskey,\n            action: action,\n            capability: row.data('name')\n        };\n        $.post(adminurl + 'roles/ajax.php', params, null, 'json')\n        .done(function(data) {\n            var action = data;\n            try {\n                var templatedata = {rolename: overideableroles[roleid],\n                                    roleid: roleid,\n                                    adminurl: adminurl,\n                                    imageurl: M.util.image_url('t/delete', 'moodle')\n                                    };\n                switch (action) {\n                    case 'allow':\n                        templatedata.spanclass = 'allowed';\n                        templatedata.linkclass = 'preventlink';\n                        templatedata.action = 'prevent';\n                        templatedata.icon = 't/delete';\n                        templatedata.iconalt = M.util.get_string('deletexrole', 'core_role', overideableroles[roleid]);\n                        break;\n                    case 'prohibit':\n                        templatedata.spanclass = 'forbidden';\n                        templatedata.linkclass = 'unprohibitlink';\n                        templatedata.action = 'unprohibit';\n                        templatedata.icon = 't/delete';\n                        templatedata.iconalt = M.util.get_string('deletexrole', 'core_role', overideableroles[roleid]);\n                        break;\n                    case 'prevent':\n                        row.find('a[data-role-id=\"' + roleid + '\"]').first().closest('.allowed').remove();\n                        return;\n                    case 'unprohibit':\n                        row.find('a[data-role-id=\"' + roleid + '\"]').first().closest('.forbidden').remove();\n                        return;\n                    default:\n                        return;\n                }\n                templates.render('core/permissionmanager_role', templatedata)\n                .done(function(content) {\n                    if (action == 'allow') {\n                        $(content).insertBefore(row.find('.allowmore').first());\n                    } else if (action == 'prohibit') {\n                        $(content).insertBefore(row.find('.prohibitmore').first());\n                        // Remove allowed link\n                        var allowedLink = row.find('.allowedroles').first().find('a[data-role-id=\"' + roleid + '\"]');\n                        if (allowedLink) {\n                            allowedLink.first().closest('.allowed').remove();\n                        }\n                    }\n                    panel.hide();\n                })\n                .fail(notification.exception);\n            } catch (err) {\n                notification.exception(err);\n            }\n        })\n        .fail(function(jqXHR, status, error) {\n            notification.exception(error);\n        });\n    };\n\n    /**\n     * Prompts user for selecting a role which is permitted\n     *\n     * @access private\n     * @method handleAddRole\n     * @param {event} e\n     */\n    var handleAddRole = function(e) {\n        e.preventDefault();\n\n        var link = $(e.currentTarget);\n\n        // TODO: MDL-57778 Convert to core/modal.\n        $('body').one('rolesloaded', function() {\n            Y.use('moodle-core-notification-dialogue', function() {\n                var action = link.data('action');\n                var row = link.closest('tr.rolecap');\n                var confirmationDetails = {\n                    cap: row.data('humanname'),\n                    context: contextname\n                };\n                var message = M.util.get_string('role' + action + 'info', 'core_role', confirmationDetails);\n                if (panel === null) {\n                    panel = new M.core.dialogue({\n                        draggable: true,\n                        modal: true,\n                        closeButton: true,\n                        width: '450px'\n                    });\n                }\n                panel.set('headerContent', M.util.get_string('role' + action + 'header', 'core_role'));\n\n                var i, existingrolelinks;\n\n                var roles = [];\n                switch (action) {\n                    case 'allow':\n                        existingrolelinks = row.find(SELECTORS.REMOVEROLE);\n                        break;\n                    case 'prohibit':\n                        existingrolelinks = row.find(SELECTORS.UNPROHIBIT);\n                        break;\n                }\n                for (i in overideableroles) {\n                    var disabled = '';\n                    var disable = existingrolelinks.filter(\"[data-role-id='\" + i + \"']\").length;\n                    if (disable) {\n                        disabled = 'disabled';\n                    }\n                    var roledetails = {roleid: i, rolename: overideableroles[i], disabled: disabled};\n                    roles.push(roledetails);\n                }\n\n                templates.render('core/permissionmanager_panelcontent', {message: message, roles: roles})\n                .done(function(content) {\n                    panel.set('bodyContent', content);\n                    panel.show();\n                    $('div.role_buttons').on('click', 'button', function(e) {\n                        var roleid = $(e.currentTarget).data('role-id');\n                        changePermissions(row, roleid, action);\n                    });\n                })\n                .fail(notification.exception);\n\n            });\n        });\n        loadOverideableRoles();\n    };\n\n    /**\n     * Prompts user when removing permission\n     *\n     * @access private\n     * @method handleRemoveRole\n     * @param {event} e\n     */\n    var handleRemoveRole = function(e) {\n        e.preventDefault();\n        var link = $(e.currentTarget);\n        $('body').one('rolesloaded', function() {\n            var action = link.data('action');\n            var roleid = link.data('role-id');\n            var row = link.closest('tr.rolecap');\n            var questionDetails = {\n                role: overideableroles[roleid],\n                cap: row.data('humanname'),\n                context: contextname\n            };\n\n            notification.confirm(M.util.get_string('confirmunassigntitle', 'core_role'),\n                M.util.get_string('confirmrole' + action, 'core_role', questionDetails),\n                M.util.get_string('confirmunassignyes', 'core_role'),\n                M.util.get_string('confirmunassignno', 'core_role'),\n                function() {\n                   changePermissions(row, roleid, action);\n                }\n            );\n         });\n        loadOverideableRoles();\n    };\n\n    return /** @alias module:core/permissionmanager */ {\n        /**\n         * Initialize permissionmanager\n         * @access public\n         * @param {Object} args\n         */\n        initialize: function(args) {\n            contextid = args.contextid;\n            contextname = args.contextname;\n            adminurl = args.adminurl;\n            var body = $('body');\n            body.on('click', SELECTORS.ADDROLE, handleAddRole);\n            body.on('click', SELECTORS.REMOVEROLE, handleRemoveRole);\n        }\n    };\n});\n"],"file":"permissionmanager.min.js"}
\ No newline at end of file
+{"version":3,"file":"permissionmanager.min.js","sources":["../src/permissionmanager.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n/*\n * @package    core\n * @class      permissionmanager\n * @copyright  2015 Martin Mastny <mastnym@vscht.cz>\n * @since      3.0\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n /**\n  * @module admin/permissionmanager\n  */\ndefine(['jquery', 'core/config', 'core/notification', 'core/templates', 'core/yui'],\n    function($, config, notification, templates, Y) {\n\n     /**\n      * Used CSS selectors\n      * @access private\n      */\n    var SELECTORS = {\n        ADDROLE: 'a.allowlink, a.prohibitlink',\n        REMOVEROLE: 'a.preventlink, a.unprohibitlink',\n        UNPROHIBIT: 'a.unprohibitlink'\n        };\n    var rolesloadedevent = $.Event('rolesloaded');\n    var contextid;\n    var contextname;\n    var adminurl;\n    var overideableroles;\n    var panel = null;\n\n    /**\n     * Load all possible roles, which could be assigned from server\n     *\n     * @access private\n     * @method loadOverideableRoles\n     */\n    var loadOverideableRoles = function() {\n        var params = {\n            contextid: contextid,\n            getroles: 1,\n            sesskey: config.sesskey\n        };\n\n        // Need to tell jQuery to expect JSON as the content type may not be correct (MDL-55041).\n        $.post(adminurl + 'roles/ajax.php', params, null, 'json')\n            .done(function(data) {\n              try {\n                  overideableroles = data;\n                  loadOverideableRoles = function() {\n                      $('body').trigger(rolesloadedevent);\n                  };\n                  loadOverideableRoles();\n              } catch (err) {\n                  notification.exception(err);\n              }\n            })\n            .fail(function(jqXHR, status, error) {\n                notification.exception(error);\n            });\n    };\n\n    /**\n     * Perform the UI changes after server change\n     *\n     * @access private\n     * @method changePermissions\n     * @param {JQuery} row\n     * @param {int} roleid\n     * @param {string} action\n     */\n    var changePermissions = function(row, roleid, action) {\n        var params = {\n            contextid: contextid,\n            roleid: roleid,\n            sesskey: M.cfg.sesskey,\n            action: action,\n            capability: row.data('name')\n        };\n        $.post(adminurl + 'roles/ajax.php', params, null, 'json')\n        .done(function(data) {\n            var action = data;\n            try {\n                var templatedata = {rolename: overideableroles[roleid],\n                                    roleid: roleid,\n                                    adminurl: adminurl,\n                                    imageurl: M.util.image_url('t/delete', 'moodle')\n                                    };\n                switch (action) {\n                    case 'allow':\n                        templatedata.spanclass = 'allowed';\n                        templatedata.linkclass = 'preventlink';\n                        templatedata.action = 'prevent';\n                        templatedata.icon = 't/delete';\n                        templatedata.iconalt = M.util.get_string('deletexrole', 'core_role', overideableroles[roleid]);\n                        break;\n                    case 'prohibit':\n                        templatedata.spanclass = 'forbidden';\n                        templatedata.linkclass = 'unprohibitlink';\n                        templatedata.action = 'unprohibit';\n                        templatedata.icon = 't/delete';\n                        templatedata.iconalt = M.util.get_string('deletexrole', 'core_role', overideableroles[roleid]);\n                        break;\n                    case 'prevent':\n                        row.find('a[data-role-id=\"' + roleid + '\"]').first().closest('.allowed').remove();\n                        return;\n                    case 'unprohibit':\n                        row.find('a[data-role-id=\"' + roleid + '\"]').first().closest('.forbidden').remove();\n                        return;\n                    default:\n                        return;\n                }\n                templates.render('core/permissionmanager_role', templatedata)\n                .done(function(content) {\n                    if (action == 'allow') {\n                        $(content).insertBefore(row.find('.allowmore').first());\n                    } else if (action == 'prohibit') {\n                        $(content).insertBefore(row.find('.prohibitmore').first());\n                        // Remove allowed link\n                        var allowedLink = row.find('.allowedroles').first().find('a[data-role-id=\"' + roleid + '\"]');\n                        if (allowedLink) {\n                            allowedLink.first().closest('.allowed').remove();\n                        }\n                    }\n                    panel.hide();\n                })\n                .fail(notification.exception);\n            } catch (err) {\n                notification.exception(err);\n            }\n        })\n        .fail(function(jqXHR, status, error) {\n            notification.exception(error);\n        });\n    };\n\n    /**\n     * Prompts user for selecting a role which is permitted\n     *\n     * @access private\n     * @method handleAddRole\n     * @param {event} e\n     */\n    var handleAddRole = function(e) {\n        e.preventDefault();\n\n        var link = $(e.currentTarget);\n\n        // TODO: MDL-57778 Convert to core/modal.\n        $('body').one('rolesloaded', function() {\n            Y.use('moodle-core-notification-dialogue', function() {\n                var action = link.data('action');\n                var row = link.closest('tr.rolecap');\n                var confirmationDetails = {\n                    cap: row.data('humanname'),\n                    context: contextname\n                };\n                var message = M.util.get_string('role' + action + 'info', 'core_role', confirmationDetails);\n                if (panel === null) {\n                    panel = new M.core.dialogue({\n                        draggable: true,\n                        modal: true,\n                        closeButton: true,\n                        width: '450px'\n                    });\n                }\n                panel.set('headerContent', M.util.get_string('role' + action + 'header', 'core_role'));\n\n                var i, existingrolelinks;\n\n                var roles = [];\n                switch (action) {\n                    case 'allow':\n                        existingrolelinks = row.find(SELECTORS.REMOVEROLE);\n                        break;\n                    case 'prohibit':\n                        existingrolelinks = row.find(SELECTORS.UNPROHIBIT);\n                        break;\n                }\n                for (i in overideableroles) {\n                    var disabled = '';\n                    var disable = existingrolelinks.filter(\"[data-role-id='\" + i + \"']\").length;\n                    if (disable) {\n                        disabled = 'disabled';\n                    }\n                    var roledetails = {roleid: i, rolename: overideableroles[i], disabled: disabled};\n                    roles.push(roledetails);\n                }\n\n                templates.render('core/permissionmanager_panelcontent', {message: message, roles: roles})\n                .done(function(content) {\n                    panel.set('bodyContent', content);\n                    panel.show();\n                    $('div.role_buttons').on('click', 'button', function(e) {\n                        var roleid = $(e.currentTarget).data('role-id');\n                        changePermissions(row, roleid, action);\n                    });\n                })\n                .fail(notification.exception);\n\n            });\n        });\n        loadOverideableRoles();\n    };\n\n    /**\n     * Prompts user when removing permission\n     *\n     * @access private\n     * @method handleRemoveRole\n     * @param {event} e\n     */\n    var handleRemoveRole = function(e) {\n        e.preventDefault();\n        var link = $(e.currentTarget);\n        $('body').one('rolesloaded', function() {\n            var action = link.data('action');\n            var roleid = link.data('role-id');\n            var row = link.closest('tr.rolecap');\n            var questionDetails = {\n                role: overideableroles[roleid],\n                cap: row.data('humanname'),\n                context: contextname\n            };\n\n            notification.confirm(M.util.get_string('confirmunassigntitle', 'core_role'),\n                M.util.get_string('confirmrole' + action, 'core_role', questionDetails),\n                M.util.get_string('confirmunassignyes', 'core_role'),\n                M.util.get_string('confirmunassignno', 'core_role'),\n                function() {\n                   changePermissions(row, roleid, action);\n                }\n            );\n         });\n        loadOverideableRoles();\n    };\n\n    return /** @alias module:core/permissionmanager */ {\n        /**\n         * Initialize permissionmanager\n         * @access public\n         * @param {Object} args\n         */\n        initialize: function(args) {\n            contextid = args.contextid;\n            contextname = args.contextname;\n            adminurl = args.adminurl;\n            var body = $('body');\n            body.on('click', SELECTORS.ADDROLE, handleAddRole);\n            body.on('click', SELECTORS.REMOVEROLE, handleRemoveRole);\n        }\n    };\n});\n"],"names":["define","$","config","notification","templates","Y","contextid","contextname","adminurl","overideableroles","SELECTORS","rolesloadedevent","Event","panel","loadOverideableRoles","params","getroles","sesskey","post","done","data","trigger","err","exception","fail","jqXHR","status","error","changePermissions","row","roleid","action","M","cfg","capability","templatedata","rolename","imageurl","util","image_url","spanclass","linkclass","icon","iconalt","get_string","find","first","closest","remove","render","content","insertBefore","allowedLink","hide","handleAddRole","e","preventDefault","link","currentTarget","one","use","i","existingrolelinks","confirmationDetails","cap","context","message","core","dialogue","draggable","modal","closeButton","width","set","roles","disabled","filter","length","roledetails","push","show","on","handleRemoveRole","questionDetails","role","confirm","initialize","args","body"],"mappings":";;;;;;;AAyBAA,gCAAO,CAAC,SAAU,cAAe,oBAAqB,iBAAkB,aACpE,SAASC,EAAGC,OAAQC,aAAcC,UAAWC,OAYzCC,UACAC,YACAC,SACAC,iBATAC,kBACS,8BADTA,qBAEY,kCAFZA,qBAGY,mBAEZC,iBAAmBV,EAAEW,MAAM,eAK3BC,MAAQ,KAQRC,sBAAuB,eACnBC,OAAS,CACTT,UAAWA,UACXU,SAAU,EACVC,QAASf,OAAOe,SAIpBhB,EAAEiB,KAAKV,SAAW,iBAAkBO,OAAQ,KAAM,QAC7CI,MAAK,SAASC,UAETX,iBAAmBW,MACnBN,sBAAuB,WACnBb,EAAE,QAAQoB,QAAQV,sBAGxB,MAAOW,KACLnB,aAAaoB,UAAUD,SAG5BE,MAAK,SAASC,MAAOC,OAAQC,OAC1BxB,aAAaoB,UAAUI,WAa/BC,kBAAoB,SAASC,IAAKC,OAAQC,YACtChB,OAAS,CACTT,UAAWA,UACXwB,OAAQA,OACRb,QAASe,EAAEC,IAAIhB,QACfc,OAAQA,OACRG,WAAYL,IAAIT,KAAK,SAEzBnB,EAAEiB,KAAKV,SAAW,iBAAkBO,OAAQ,KAAM,QACjDI,MAAK,SAASC,UACPW,OAASX,aAELe,aAAe,CAACC,SAAU3B,iBAAiBqB,QAC3BA,OAAQA,OACRtB,SAAUA,SACV6B,SAAUL,EAAEM,KAAKC,UAAU,WAAY,kBAEnDR,YACC,QACDI,aAAaK,UAAY,UACzBL,aAAaM,UAAY,cACzBN,aAAaJ,OAAS,UACtBI,aAAaO,KAAO,WACpBP,aAAaQ,QAAUX,EAAEM,KAAKM,WAAW,cAAe,YAAanC,iBAAiBqB,mBAErF,WACDK,aAAaK,UAAY,YACzBL,aAAaM,UAAY,iBACzBN,aAAaJ,OAAS,aACtBI,aAAaO,KAAO,WACpBP,aAAaQ,QAAUX,EAAEM,KAAKM,WAAW,cAAe,YAAanC,iBAAiBqB,mBAErF,sBACDD,IAAIgB,KAAK,mBAAqBf,OAAS,MAAMgB,QAAQC,QAAQ,YAAYC,aAExE,yBACDnB,IAAIgB,KAAK,mBAAqBf,OAAS,MAAMgB,QAAQC,QAAQ,cAAcC,wBAKnF5C,UAAU6C,OAAO,8BAA+Bd,cAC/ChB,MAAK,SAAS+B,YACG,SAAVnB,OACA9B,EAAEiD,SAASC,aAAatB,IAAIgB,KAAK,cAAcC,cAC5C,GAAc,YAAVf,OAAsB,CAC7B9B,EAAEiD,SAASC,aAAatB,IAAIgB,KAAK,iBAAiBC,aAE9CM,YAAcvB,IAAIgB,KAAK,iBAAiBC,QAAQD,KAAK,mBAAqBf,OAAS,MACnFsB,aACAA,YAAYN,QAAQC,QAAQ,YAAYC,SAGhDnC,MAAMwC,UAET7B,KAAKrB,aAAaoB,WACrB,MAAOD,KACLnB,aAAaoB,UAAUD,SAG9BE,MAAK,SAASC,MAAOC,OAAQC,OAC1BxB,aAAaoB,UAAUI,WAW3B2B,cAAgB,SAASC,GACzBA,EAAEC,qBAEEC,KAAOxD,EAAEsD,EAAEG,eAGfzD,EAAE,QAAQ0D,IAAI,eAAe,WACzBtD,EAAEuD,IAAI,qCAAqC,eAkBnCC,EAAGC,kBAjBH/B,OAAS0B,KAAKrC,KAAK,UACnBS,IAAM4B,KAAKV,QAAQ,cACnBgB,oBAAsB,CACtBC,IAAKnC,IAAIT,KAAK,aACd6C,QAAS1D,aAET2D,QAAUlC,EAAEM,KAAKM,WAAW,OAASb,OAAS,OAAQ,YAAagC,qBACzD,OAAVlD,QACAA,MAAQ,IAAImB,EAAEmC,KAAKC,SAAS,CACxBC,WAAW,EACXC,OAAO,EACPC,aAAa,EACbC,MAAO,WAGf3D,MAAM4D,IAAI,gBAAiBzC,EAAEM,KAAKM,WAAW,OAASb,OAAS,SAAU,kBAIrE2C,MAAQ,UACJ3C,YACC,QACD+B,kBAAoBjC,IAAIgB,KAAKnC,gCAE5B,WACDoD,kBAAoBjC,IAAIgB,KAAKnC,0BAGhCmD,KAAKpD,iBAAkB,KACpBkE,SAAW,GACDb,kBAAkBc,OAAO,kBAAoBf,EAAI,MAAMgB,SAEjEF,SAAW,gBAEXG,YAAc,CAAChD,OAAQ+B,EAAGzB,SAAU3B,iBAAiBoD,GAAIc,SAAUA,UACvED,MAAMK,KAAKD,aAGf1E,UAAU6C,OAAO,sCAAuC,CAACiB,QAASA,QAASQ,MAAOA,QACjFvD,MAAK,SAAS+B,SACXrC,MAAM4D,IAAI,cAAevB,SACzBrC,MAAMmE,OACN/E,EAAE,oBAAoBgF,GAAG,QAAS,UAAU,SAAS1B,OAC7CzB,OAAS7B,EAAEsD,EAAEG,eAAetC,KAAK,WACrCQ,kBAAkBC,IAAKC,OAAQC,cAGtCP,KAAKrB,aAAaoB,iBAI3BT,yBAUAoE,iBAAmB,SAAS3B,GAC5BA,EAAEC,qBACEC,KAAOxD,EAAEsD,EAAEG,eACfzD,EAAE,QAAQ0D,IAAI,eAAe,eACrB5B,OAAS0B,KAAKrC,KAAK,UACnBU,OAAS2B,KAAKrC,KAAK,WACnBS,IAAM4B,KAAKV,QAAQ,cACnBoC,gBAAkB,CAClBC,KAAM3E,iBAAiBqB,QACvBkC,IAAKnC,IAAIT,KAAK,aACd6C,QAAS1D,aAGbJ,aAAakF,QAAQrD,EAAEM,KAAKM,WAAW,uBAAwB,aAC3DZ,EAAEM,KAAKM,WAAW,cAAgBb,OAAQ,YAAaoD,iBACvDnD,EAAEM,KAAKM,WAAW,qBAAsB,aACxCZ,EAAEM,KAAKM,WAAW,oBAAqB,cACvC,WACGhB,kBAAkBC,IAAKC,OAAQC,cAI1CjB,+BAG+C,CAM/CwE,WAAY,SAASC,MACjBjF,UAAYiF,KAAKjF,UACjBC,YAAcgF,KAAKhF,YACnBC,SAAW+E,KAAK/E,aACZgF,KAAOvF,EAAE,QACbuF,KAAKP,GAAG,QAASvE,kBAAmB4C,eACpCkC,KAAKP,GAAG,QAASvE,qBAAsBwE"}
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diff --git a/lib/amd/build/popover_region_controller.min.js b/lib/amd/build/popover_region_controller.min.js
index a4d98a2998e..b28a0263423 100644
--- a/lib/amd/build/popover_region_controller.min.js
+++ b/lib/amd/build/popover_region_controller.min.js
@@ -1,2 +1,15 @@
-define ("core/popover_region_controller",["jquery","core/str","core/custom_interaction_events"],function(a,b,c){var d={CONTENT:".popover-region-content",CONTENT_CONTAINER:".popover-region-content-container",MENU_CONTAINER:".popover-region-container",MENU_TOGGLE:".popover-region-toggle",CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]"},e=function(b){this.root=a(b);this.content=this.root.find(d.CONTENT);this.contentContainer=this.root.find(d.CONTENT_CONTAINER);this.menuContainer=this.root.find(d.MENU_CONTAINER);this.menuToggle=this.root.find(d.MENU_TOGGLE);this.isLoading=!1;this.promises={closeHandlers:a.Deferred(),navigationHandlers:a.Deferred()};this.registerBaseEventListeners()};e.prototype.events=function(){return{menuOpened:"popoverregion:menuopened",menuClosed:"popoverregion:menuclosed",startLoading:"popoverregion:startLoading",stopLoading:"popoverregion:stopLoading"}};e.prototype.getContentContainer=function(){return this.contentContainer};e.prototype.getContent=function(){return this.content};e.prototype.isMenuOpen=function(){return!this.root.hasClass("collapsed")};e.prototype.toggleMenu=function(){if(this.isMenuOpen()){this.closeMenu()}else{this.openMenu()}};e.prototype.closeMenu=function(){if(!this.isMenuOpen()){return}this.root.addClass("collapsed");this.menuContainer.attr("aria-expanded","false");this.menuContainer.attr("aria-hidden","true");this.updateButtonAriaLabel();this.root.trigger(this.events().menuClosed)};e.prototype.openMenu=function(){if(this.isMenuOpen()){return}this.root.removeClass("collapsed");this.menuContainer.attr("aria-expanded","true");this.menuContainer.attr("aria-hidden","false");this.updateButtonAriaLabel();this.promises.closeHandlers.resolve();this.promises.navigationHandlers.resolve();this.root.trigger(this.events().menuOpened)};e.prototype.updateButtonAriaLabel=function(){if(this.isMenuOpen()){b.get_string("hidepopoverwindow").done(function(a){this.menuToggle.attr("aria-label",a)}.bind(this))}else{b.get_string("showpopoverwindow").done(function(a){this.menuToggle.attr("aria-label",a)}.bind(this))}};e.prototype.startLoading=function(){this.isLoading=!0;this.getContentContainer().addClass("loading");this.getContentContainer().attr("aria-busy","true");this.root.trigger(this.events().startLoading)};e.prototype.stopLoading=function(){this.isLoading=!1;this.getContentContainer().removeClass("loading");this.getContentContainer().attr("aria-busy","false");this.root.trigger(this.events().stopLoading)};e.prototype.focusMenuToggle=function(){this.menuToggle.focus()};e.prototype.contentItemHasFocus=function(){return 0<this.getContentItemWithFocus().length};e.prototype.getContentItemWithFocus=function(){var b=a(document.activeElement),c=this.getContent().children(),d=c.filter(b);if(!d.length){d=c.has(b)}return d};e.prototype.focusContentItem=function(a){if(a.is(d.CAN_RECEIVE_FOCUS)){a.focus()}else{a.find(d.CAN_RECEIVE_FOCUS).first().focus()}};e.prototype.focusFirstContentItem=function(){this.focusContentItem(this.getContent().children().first())};e.prototype.focusLastContentItem=function(){this.focusContentItem(this.getContent().children().last())};e.prototype.focusNextContentItem=function(){var a=this.getContentItemWithFocus();if(a.length&&a.next()){this.focusContentItem(a.next())}};e.prototype.focusPreviousContentItem=function(){var a=this.getContentItemWithFocus();if(a.length&&a.prev()){this.focusContentItem(a.prev())}};e.prototype.registerBaseEventListeners=function(){c.define(this.root,[c.events.activate,c.events.escape]);this.root.on(c.events.activate,d.MENU_TOGGLE,function(){this.toggleMenu()}.bind(this));this.promises.closeHandlers.done(function(){this.root.on(c.events.escape,function(){this.closeMenu();this.focusMenuToggle()}.bind(this));a("html").click(function(b){var c=a(b.target);if(!this.root.is(c)&&!this.root.has(c).length){this.closeMenu()}}.bind(this));c.define(this.getContentContainer(),[c.events.scrollBottom])}.bind(this))};e.prototype.registerListNavigationEventListeners=function(){c.define(this.root,[c.events.down]);this.root.on(c.events.down,function(a,b){if(!this.isMenuOpen()){this.openMenu();this.focusFirstContentItem()}else{if(this.contentItemHasFocus()){this.focusNextContentItem()}else{this.focusFirstContentItem()}}b.originalEvent.preventDefault()}.bind(this));this.promises.navigationHandlers.done(function(){c.define(this.root,[c.events.up,c.events.home,c.events.end]);this.root.on(c.events.up,function(a,b){this.focusPreviousContentItem();b.originalEvent.preventDefault()}.bind(this));this.root.on(c.events.home,function(a,b){this.focusFirstContentItem();b.originalEvent.preventDefault()}.bind(this));this.root.on(c.events.end,function(a,b){this.focusLastContentItem();b.originalEvent.preventDefault()}.bind(this))}.bind(this))};return e});
-//# sourceMappingURL=popover_region_controller.min.js.map
+/**
+ * Controls the popover region element.
+ *
+ * See template: core/popover_region
+ *
+ * @module     core/popover_region_controller
+ * @class      popover_region_controller
+ * @package    core
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.2
+ */
+define("core/popover_region_controller",["jquery","core/str","core/custom_interaction_events"],(function($,str,customEvents){var SELECTORS_CONTENT=".popover-region-content",SELECTORS_CONTENT_CONTAINER=".popover-region-content-container",SELECTORS_MENU_CONTAINER=".popover-region-container",SELECTORS_MENU_TOGGLE=".popover-region-toggle",SELECTORS_CAN_RECEIVE_FOCUS='input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]',PopoverRegionController=function(element){this.root=$(element),this.content=this.root.find(SELECTORS_CONTENT),this.contentContainer=this.root.find(SELECTORS_CONTENT_CONTAINER),this.menuContainer=this.root.find(SELECTORS_MENU_CONTAINER),this.menuToggle=this.root.find(SELECTORS_MENU_TOGGLE),this.isLoading=!1,this.promises={closeHandlers:$.Deferred(),navigationHandlers:$.Deferred()},this.registerBaseEventListeners()};return PopoverRegionController.prototype.events=function(){return{menuOpened:"popoverregion:menuopened",menuClosed:"popoverregion:menuclosed",startLoading:"popoverregion:startLoading",stopLoading:"popoverregion:stopLoading"}},PopoverRegionController.prototype.getContentContainer=function(){return this.contentContainer},PopoverRegionController.prototype.getContent=function(){return this.content},PopoverRegionController.prototype.isMenuOpen=function(){return!this.root.hasClass("collapsed")},PopoverRegionController.prototype.toggleMenu=function(){this.isMenuOpen()?this.closeMenu():this.openMenu()},PopoverRegionController.prototype.closeMenu=function(){this.isMenuOpen()&&(this.root.addClass("collapsed"),this.menuContainer.attr("aria-expanded","false"),this.menuContainer.attr("aria-hidden","true"),this.updateButtonAriaLabel(),this.root.trigger(this.events().menuClosed))},PopoverRegionController.prototype.openMenu=function(){this.isMenuOpen()||(this.root.removeClass("collapsed"),this.menuContainer.attr("aria-expanded","true"),this.menuContainer.attr("aria-hidden","false"),this.updateButtonAriaLabel(),this.promises.closeHandlers.resolve(),this.promises.navigationHandlers.resolve(),this.root.trigger(this.events().menuOpened))},PopoverRegionController.prototype.updateButtonAriaLabel=function(){this.isMenuOpen()?str.get_string("hidepopoverwindow").done(function(string){this.menuToggle.attr("aria-label",string)}.bind(this)):str.get_string("showpopoverwindow").done(function(string){this.menuToggle.attr("aria-label",string)}.bind(this))},PopoverRegionController.prototype.startLoading=function(){this.isLoading=!0,this.getContentContainer().addClass("loading"),this.getContentContainer().attr("aria-busy","true"),this.root.trigger(this.events().startLoading)},PopoverRegionController.prototype.stopLoading=function(){this.isLoading=!1,this.getContentContainer().removeClass("loading"),this.getContentContainer().attr("aria-busy","false"),this.root.trigger(this.events().stopLoading)},PopoverRegionController.prototype.focusMenuToggle=function(){this.menuToggle.focus()},PopoverRegionController.prototype.contentItemHasFocus=function(){return this.getContentItemWithFocus().length>0},PopoverRegionController.prototype.getContentItemWithFocus=function(){var currentFocus=$(document.activeElement),items=this.getContent().children(),currentItem=items.filter(currentFocus);return currentItem.length||(currentItem=items.has(currentFocus)),currentItem},PopoverRegionController.prototype.focusContentItem=function(item){item.is(SELECTORS_CAN_RECEIVE_FOCUS)?item.focus():item.find(SELECTORS_CAN_RECEIVE_FOCUS).first().focus()},PopoverRegionController.prototype.focusFirstContentItem=function(){this.focusContentItem(this.getContent().children().first())},PopoverRegionController.prototype.focusLastContentItem=function(){this.focusContentItem(this.getContent().children().last())},PopoverRegionController.prototype.focusNextContentItem=function(){var currentItem=this.getContentItemWithFocus();currentItem.length&&currentItem.next()&&this.focusContentItem(currentItem.next())},PopoverRegionController.prototype.focusPreviousContentItem=function(){var currentItem=this.getContentItemWithFocus();currentItem.length&&currentItem.prev()&&this.focusContentItem(currentItem.prev())},PopoverRegionController.prototype.registerBaseEventListeners=function(){customEvents.define(this.root,[customEvents.events.activate,customEvents.events.escape]),this.root.on(customEvents.events.activate,SELECTORS_MENU_TOGGLE,function(){this.toggleMenu()}.bind(this)),this.promises.closeHandlers.done(function(){this.root.on(customEvents.events.escape,function(){this.closeMenu(),this.focusMenuToggle()}.bind(this)),$("html").click(function(e){var target=$(e.target);this.root.is(target)||this.root.has(target).length||this.closeMenu()}.bind(this)),customEvents.define(this.getContentContainer(),[customEvents.events.scrollBottom])}.bind(this))},PopoverRegionController.prototype.registerListNavigationEventListeners=function(){customEvents.define(this.root,[customEvents.events.down]),this.root.on(customEvents.events.down,function(e,data){this.isMenuOpen()?this.contentItemHasFocus()?this.focusNextContentItem():this.focusFirstContentItem():(this.openMenu(),this.focusFirstContentItem()),data.originalEvent.preventDefault()}.bind(this)),this.promises.navigationHandlers.done(function(){customEvents.define(this.root,[customEvents.events.up,customEvents.events.home,customEvents.events.end]),this.root.on(customEvents.events.up,function(e,data){this.focusPreviousContentItem(),data.originalEvent.preventDefault()}.bind(this)),this.root.on(customEvents.events.home,function(e,data){this.focusFirstContentItem(),data.originalEvent.preventDefault()}.bind(this)),this.root.on(customEvents.events.end,function(e,data){this.focusLastContentItem(),data.originalEvent.preventDefault()}.bind(this))}.bind(this))},PopoverRegionController}));
+
+//# sourceMappingURL=popover_region_controller.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/popover_region_controller.min.js.map b/lib/amd/build/popover_region_controller.min.js.map
index edd15733dd9..29a2252cd35 100644
--- a/lib/amd/build/popover_region_controller.min.js.map
+++ b/lib/amd/build/popover_region_controller.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the popover region element.\n *\n * See template: core/popover_region\n *\n * @module     core/popover_region_controller\n * @class      popover_region_controller\n * @package    core\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery', 'core/str', 'core/custom_interaction_events'],\n        function($, str, customEvents) {\n\n    var SELECTORS = {\n        CONTENT: '.popover-region-content',\n        CONTENT_CONTAINER: '.popover-region-content-container',\n        MENU_CONTAINER: '.popover-region-container',\n        MENU_TOGGLE: '.popover-region-toggle',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    /**\n     * Constructor for the PopoverRegionController.\n     *\n     * @param {jQuery} element object root element of the popover\n     */\n    var PopoverRegionController = function(element) {\n        this.root = $(element);\n        this.content = this.root.find(SELECTORS.CONTENT);\n        this.contentContainer = this.root.find(SELECTORS.CONTENT_CONTAINER);\n        this.menuContainer = this.root.find(SELECTORS.MENU_CONTAINER);\n        this.menuToggle = this.root.find(SELECTORS.MENU_TOGGLE);\n        this.isLoading = false;\n        this.promises = {\n            closeHandlers: $.Deferred(),\n            navigationHandlers: $.Deferred(),\n        };\n\n        // Core event listeners to open and close.\n        this.registerBaseEventListeners();\n    };\n\n    /**\n     * The collection of events triggered by this controller.\n     *\n     * @returns {object}\n     */\n    PopoverRegionController.prototype.events = function() {\n        return {\n            menuOpened: 'popoverregion:menuopened',\n            menuClosed: 'popoverregion:menuclosed',\n            startLoading: 'popoverregion:startLoading',\n            stopLoading: 'popoverregion:stopLoading',\n        };\n    };\n\n    /**\n     * Return the container element for the content element.\n     *\n     * @method getContentContainer\n     * @return {jQuery} object\n     */\n    PopoverRegionController.prototype.getContentContainer = function() {\n        return this.contentContainer;\n    };\n\n    /**\n     * Return the content element.\n     *\n     * @method getContent\n     * @return {jQuery} object\n     */\n    PopoverRegionController.prototype.getContent = function() {\n        return this.content;\n    };\n\n    /**\n     * Checks if the popover is displayed.\n     *\n     * @method isMenuOpen\n     * @return {bool}\n     */\n    PopoverRegionController.prototype.isMenuOpen = function() {\n        return !this.root.hasClass('collapsed');\n    };\n\n    /**\n     * Toggle the visibility of the popover.\n     *\n     * @method toggleMenu\n     */\n    PopoverRegionController.prototype.toggleMenu = function() {\n        if (this.isMenuOpen()) {\n            this.closeMenu();\n        } else {\n            this.openMenu();\n        }\n    };\n\n    /**\n     * Hide the popover.\n     *\n     * Note: This triggers the menuClosed event.\n     *\n     * @method closeMenu\n     */\n    PopoverRegionController.prototype.closeMenu = function() {\n        // We're already closed.\n        if (!this.isMenuOpen()) {\n            return;\n        }\n\n        this.root.addClass('collapsed');\n        this.menuContainer.attr('aria-expanded', 'false');\n        this.menuContainer.attr('aria-hidden', 'true');\n        this.updateButtonAriaLabel();\n        this.root.trigger(this.events().menuClosed);\n    };\n\n    /**\n     * Show the popover.\n     *\n     * Note: This triggers the menuOpened event.\n     *\n     * @method openMenu\n     */\n    PopoverRegionController.prototype.openMenu = function() {\n        // We're already open.\n        if (this.isMenuOpen()) {\n            return;\n        }\n\n        this.root.removeClass('collapsed');\n        this.menuContainer.attr('aria-expanded', 'true');\n        this.menuContainer.attr('aria-hidden', 'false');\n        this.updateButtonAriaLabel();\n        // Resolve the promises to allow the handlers to be added\n        // to the DOM, if they have been requested.\n        this.promises.closeHandlers.resolve();\n        this.promises.navigationHandlers.resolve();\n        this.root.trigger(this.events().menuOpened);\n    };\n\n    /**\n     * Set the appropriate aria label on the popover toggle.\n     *\n     * @method updateButtonAriaLabel\n     */\n    PopoverRegionController.prototype.updateButtonAriaLabel = function() {\n        if (this.isMenuOpen()) {\n            str.get_string('hidepopoverwindow').done(function(string) {\n                this.menuToggle.attr('aria-label', string);\n            }.bind(this));\n        } else {\n            str.get_string('showpopoverwindow').done(function(string) {\n                this.menuToggle.attr('aria-label', string);\n            }.bind(this));\n        }\n    };\n\n    /**\n     * Set the loading state on this popover.\n     *\n     * Note: This triggers the startLoading event.\n     *\n     * @method startLoading\n     */\n    PopoverRegionController.prototype.startLoading = function() {\n        this.isLoading = true;\n        this.getContentContainer().addClass('loading');\n        this.getContentContainer().attr('aria-busy', 'true');\n        this.root.trigger(this.events().startLoading);\n    };\n\n    /**\n     * Undo the loading state on this popover.\n     *\n     * Note: This triggers the stopLoading event.\n     *\n     * @method stopLoading\n     */\n    PopoverRegionController.prototype.stopLoading = function() {\n        this.isLoading = false;\n        this.getContentContainer().removeClass('loading');\n        this.getContentContainer().attr('aria-busy', 'false');\n        this.root.trigger(this.events().stopLoading);\n    };\n\n    /**\n     * Sets the focus on the menu toggle.\n     *\n     * @method focusMenuToggle\n     */\n    PopoverRegionController.prototype.focusMenuToggle = function() {\n        this.menuToggle.focus();\n    };\n\n    /**\n     * Check if a content item has focus.\n     *\n     * @method contentItemHasFocus\n     * @return {bool}\n     */\n    PopoverRegionController.prototype.contentItemHasFocus = function() {\n        return this.getContentItemWithFocus().length > 0;\n    };\n\n    /**\n     * Return the currently focused content item.\n     *\n     * @method getContentItemWithFocus\n     * @return {jQuery} object\n     */\n    PopoverRegionController.prototype.getContentItemWithFocus = function() {\n        var currentFocus = $(document.activeElement);\n        var items = this.getContent().children();\n        var currentItem = items.filter(currentFocus);\n\n        if (!currentItem.length) {\n            currentItem = items.has(currentFocus);\n        }\n\n        return currentItem;\n    };\n\n    /**\n     * Focus the given content item or the first focusable element within\n     * the content item.\n     *\n     * @method focusContentItem\n     * @param {object} item The content item jQuery element\n     */\n    PopoverRegionController.prototype.focusContentItem = function(item) {\n        if (item.is(SELECTORS.CAN_RECEIVE_FOCUS)) {\n            item.focus();\n        } else {\n            item.find(SELECTORS.CAN_RECEIVE_FOCUS).first().focus();\n        }\n    };\n\n    /**\n     * Set focus on the first content item in the list.\n     *\n     * @method focusFirstContentItem\n     */\n    PopoverRegionController.prototype.focusFirstContentItem = function() {\n        this.focusContentItem(this.getContent().children().first());\n    };\n\n    /**\n     * Set focus on the last content item in the list.\n     *\n     * @method focusLastContentItem\n     */\n    PopoverRegionController.prototype.focusLastContentItem = function() {\n        this.focusContentItem(this.getContent().children().last());\n    };\n\n    /**\n     * Set focus on the content item after the item that currently has focus\n     * in the list.\n     *\n     * @method focusNextContentItem\n     */\n    PopoverRegionController.prototype.focusNextContentItem = function() {\n        var currentItem = this.getContentItemWithFocus();\n\n        if (currentItem.length && currentItem.next()) {\n            this.focusContentItem(currentItem.next());\n        }\n    };\n\n    /**\n     * Set focus on the content item preceding the item that currently has focus\n     * in the list.\n     *\n     * @method focusPreviousContentItem\n     */\n    PopoverRegionController.prototype.focusPreviousContentItem = function() {\n        var currentItem = this.getContentItemWithFocus();\n\n        if (currentItem.length && currentItem.prev()) {\n            this.focusContentItem(currentItem.prev());\n        }\n    };\n\n    /**\n     * Register the minimal amount of listeners for the popover to function.\n     *\n     * @method registerBaseEventListeners\n     */\n    PopoverRegionController.prototype.registerBaseEventListeners = function() {\n        customEvents.define(this.root, [\n            customEvents.events.activate,\n            customEvents.events.escape,\n        ]);\n\n        // Toggle the popover visibility on activation (click/enter/space) of the toggle button.\n        this.root.on(customEvents.events.activate, SELECTORS.MENU_TOGGLE, function() {\n            this.toggleMenu();\n        }.bind(this));\n\n        // Delay the binding of these handlers until the region has been opened.\n        this.promises.closeHandlers.done(function() {\n            // Close the popover if escape is pressed.\n            this.root.on(customEvents.events.escape, function() {\n                this.closeMenu();\n                this.focusMenuToggle();\n            }.bind(this));\n\n            // Close the popover if any other part of the page is clicked.\n            $('html').click(function(e) {\n                var target = $(e.target);\n                if (!this.root.is(target) && !this.root.has(target).length) {\n                    this.closeMenu();\n                }\n            }.bind(this));\n\n            customEvents.define(this.getContentContainer(), [\n                customEvents.events.scrollBottom\n            ]);\n        }.bind(this));\n    };\n\n    /**\n     * Set up the event listeners for keyboard navigating a list of content items.\n     *\n     * @method registerListNavigationEventListeners\n     */\n    PopoverRegionController.prototype.registerListNavigationEventListeners = function() {\n        customEvents.define(this.root, [\n            customEvents.events.down\n        ]);\n\n        // If the down arrow is pressed then open the menu and focus the first content\n        // item or focus the next content item if the menu is open.\n        this.root.on(customEvents.events.down, function(e, data) {\n            if (!this.isMenuOpen()) {\n                this.openMenu();\n                this.focusFirstContentItem();\n            } else {\n                if (this.contentItemHasFocus()) {\n                    this.focusNextContentItem();\n                } else {\n                    this.focusFirstContentItem();\n                }\n            }\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        // Delay the binding of these handlers until the region has been opened.\n        this.promises.navigationHandlers.done(function() {\n            customEvents.define(this.root, [\n                customEvents.events.up,\n                customEvents.events.home,\n                customEvents.events.end,\n            ]);\n\n            // Shift focus to the previous content item if the up key is pressed.\n            this.root.on(customEvents.events.up, function(e, data) {\n                this.focusPreviousContentItem();\n                data.originalEvent.preventDefault();\n            }.bind(this));\n\n            // Jump focus to the first content item if the home key is pressed.\n            this.root.on(customEvents.events.home, function(e, data) {\n                this.focusFirstContentItem();\n                data.originalEvent.preventDefault();\n            }.bind(this));\n\n            // Jump focus to the last content item if the end key is pressed.\n            this.root.on(customEvents.events.end, function(e, data) {\n                this.focusLastContentItem();\n                data.originalEvent.preventDefault();\n            }.bind(this));\n        }.bind(this));\n    };\n\n    return PopoverRegionController;\n});\n"],"file":"popover_region_controller.min.js"}
\ No newline at end of file
+{"version":3,"file":"popover_region_controller.min.js","sources":["../src/popover_region_controller.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the popover region element.\n *\n * See template: core/popover_region\n *\n * @module     core/popover_region_controller\n * @class      popover_region_controller\n * @package    core\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery', 'core/str', 'core/custom_interaction_events'],\n        function($, str, customEvents) {\n\n    var SELECTORS = {\n        CONTENT: '.popover-region-content',\n        CONTENT_CONTAINER: '.popover-region-content-container',\n        MENU_CONTAINER: '.popover-region-container',\n        MENU_TOGGLE: '.popover-region-toggle',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    /**\n     * Constructor for the PopoverRegionController.\n     *\n     * @param {jQuery} element object root element of the popover\n     */\n    var PopoverRegionController = function(element) {\n        this.root = $(element);\n        this.content = this.root.find(SELECTORS.CONTENT);\n        this.contentContainer = this.root.find(SELECTORS.CONTENT_CONTAINER);\n        this.menuContainer = this.root.find(SELECTORS.MENU_CONTAINER);\n        this.menuToggle = this.root.find(SELECTORS.MENU_TOGGLE);\n        this.isLoading = false;\n        this.promises = {\n            closeHandlers: $.Deferred(),\n            navigationHandlers: $.Deferred(),\n        };\n\n        // Core event listeners to open and close.\n        this.registerBaseEventListeners();\n    };\n\n    /**\n     * The collection of events triggered by this controller.\n     *\n     * @returns {object}\n     */\n    PopoverRegionController.prototype.events = function() {\n        return {\n            menuOpened: 'popoverregion:menuopened',\n            menuClosed: 'popoverregion:menuclosed',\n            startLoading: 'popoverregion:startLoading',\n            stopLoading: 'popoverregion:stopLoading',\n        };\n    };\n\n    /**\n     * Return the container element for the content element.\n     *\n     * @method getContentContainer\n     * @return {jQuery} object\n     */\n    PopoverRegionController.prototype.getContentContainer = function() {\n        return this.contentContainer;\n    };\n\n    /**\n     * Return the content element.\n     *\n     * @method getContent\n     * @return {jQuery} object\n     */\n    PopoverRegionController.prototype.getContent = function() {\n        return this.content;\n    };\n\n    /**\n     * Checks if the popover is displayed.\n     *\n     * @method isMenuOpen\n     * @return {bool}\n     */\n    PopoverRegionController.prototype.isMenuOpen = function() {\n        return !this.root.hasClass('collapsed');\n    };\n\n    /**\n     * Toggle the visibility of the popover.\n     *\n     * @method toggleMenu\n     */\n    PopoverRegionController.prototype.toggleMenu = function() {\n        if (this.isMenuOpen()) {\n            this.closeMenu();\n        } else {\n            this.openMenu();\n        }\n    };\n\n    /**\n     * Hide the popover.\n     *\n     * Note: This triggers the menuClosed event.\n     *\n     * @method closeMenu\n     */\n    PopoverRegionController.prototype.closeMenu = function() {\n        // We're already closed.\n        if (!this.isMenuOpen()) {\n            return;\n        }\n\n        this.root.addClass('collapsed');\n        this.menuContainer.attr('aria-expanded', 'false');\n        this.menuContainer.attr('aria-hidden', 'true');\n        this.updateButtonAriaLabel();\n        this.root.trigger(this.events().menuClosed);\n    };\n\n    /**\n     * Show the popover.\n     *\n     * Note: This triggers the menuOpened event.\n     *\n     * @method openMenu\n     */\n    PopoverRegionController.prototype.openMenu = function() {\n        // We're already open.\n        if (this.isMenuOpen()) {\n            return;\n        }\n\n        this.root.removeClass('collapsed');\n        this.menuContainer.attr('aria-expanded', 'true');\n        this.menuContainer.attr('aria-hidden', 'false');\n        this.updateButtonAriaLabel();\n        // Resolve the promises to allow the handlers to be added\n        // to the DOM, if they have been requested.\n        this.promises.closeHandlers.resolve();\n        this.promises.navigationHandlers.resolve();\n        this.root.trigger(this.events().menuOpened);\n    };\n\n    /**\n     * Set the appropriate aria label on the popover toggle.\n     *\n     * @method updateButtonAriaLabel\n     */\n    PopoverRegionController.prototype.updateButtonAriaLabel = function() {\n        if (this.isMenuOpen()) {\n            str.get_string('hidepopoverwindow').done(function(string) {\n                this.menuToggle.attr('aria-label', string);\n            }.bind(this));\n        } else {\n            str.get_string('showpopoverwindow').done(function(string) {\n                this.menuToggle.attr('aria-label', string);\n            }.bind(this));\n        }\n    };\n\n    /**\n     * Set the loading state on this popover.\n     *\n     * Note: This triggers the startLoading event.\n     *\n     * @method startLoading\n     */\n    PopoverRegionController.prototype.startLoading = function() {\n        this.isLoading = true;\n        this.getContentContainer().addClass('loading');\n        this.getContentContainer().attr('aria-busy', 'true');\n        this.root.trigger(this.events().startLoading);\n    };\n\n    /**\n     * Undo the loading state on this popover.\n     *\n     * Note: This triggers the stopLoading event.\n     *\n     * @method stopLoading\n     */\n    PopoverRegionController.prototype.stopLoading = function() {\n        this.isLoading = false;\n        this.getContentContainer().removeClass('loading');\n        this.getContentContainer().attr('aria-busy', 'false');\n        this.root.trigger(this.events().stopLoading);\n    };\n\n    /**\n     * Sets the focus on the menu toggle.\n     *\n     * @method focusMenuToggle\n     */\n    PopoverRegionController.prototype.focusMenuToggle = function() {\n        this.menuToggle.focus();\n    };\n\n    /**\n     * Check if a content item has focus.\n     *\n     * @method contentItemHasFocus\n     * @return {bool}\n     */\n    PopoverRegionController.prototype.contentItemHasFocus = function() {\n        return this.getContentItemWithFocus().length > 0;\n    };\n\n    /**\n     * Return the currently focused content item.\n     *\n     * @method getContentItemWithFocus\n     * @return {jQuery} object\n     */\n    PopoverRegionController.prototype.getContentItemWithFocus = function() {\n        var currentFocus = $(document.activeElement);\n        var items = this.getContent().children();\n        var currentItem = items.filter(currentFocus);\n\n        if (!currentItem.length) {\n            currentItem = items.has(currentFocus);\n        }\n\n        return currentItem;\n    };\n\n    /**\n     * Focus the given content item or the first focusable element within\n     * the content item.\n     *\n     * @method focusContentItem\n     * @param {object} item The content item jQuery element\n     */\n    PopoverRegionController.prototype.focusContentItem = function(item) {\n        if (item.is(SELECTORS.CAN_RECEIVE_FOCUS)) {\n            item.focus();\n        } else {\n            item.find(SELECTORS.CAN_RECEIVE_FOCUS).first().focus();\n        }\n    };\n\n    /**\n     * Set focus on the first content item in the list.\n     *\n     * @method focusFirstContentItem\n     */\n    PopoverRegionController.prototype.focusFirstContentItem = function() {\n        this.focusContentItem(this.getContent().children().first());\n    };\n\n    /**\n     * Set focus on the last content item in the list.\n     *\n     * @method focusLastContentItem\n     */\n    PopoverRegionController.prototype.focusLastContentItem = function() {\n        this.focusContentItem(this.getContent().children().last());\n    };\n\n    /**\n     * Set focus on the content item after the item that currently has focus\n     * in the list.\n     *\n     * @method focusNextContentItem\n     */\n    PopoverRegionController.prototype.focusNextContentItem = function() {\n        var currentItem = this.getContentItemWithFocus();\n\n        if (currentItem.length && currentItem.next()) {\n            this.focusContentItem(currentItem.next());\n        }\n    };\n\n    /**\n     * Set focus on the content item preceding the item that currently has focus\n     * in the list.\n     *\n     * @method focusPreviousContentItem\n     */\n    PopoverRegionController.prototype.focusPreviousContentItem = function() {\n        var currentItem = this.getContentItemWithFocus();\n\n        if (currentItem.length && currentItem.prev()) {\n            this.focusContentItem(currentItem.prev());\n        }\n    };\n\n    /**\n     * Register the minimal amount of listeners for the popover to function.\n     *\n     * @method registerBaseEventListeners\n     */\n    PopoverRegionController.prototype.registerBaseEventListeners = function() {\n        customEvents.define(this.root, [\n            customEvents.events.activate,\n            customEvents.events.escape,\n        ]);\n\n        // Toggle the popover visibility on activation (click/enter/space) of the toggle button.\n        this.root.on(customEvents.events.activate, SELECTORS.MENU_TOGGLE, function() {\n            this.toggleMenu();\n        }.bind(this));\n\n        // Delay the binding of these handlers until the region has been opened.\n        this.promises.closeHandlers.done(function() {\n            // Close the popover if escape is pressed.\n            this.root.on(customEvents.events.escape, function() {\n                this.closeMenu();\n                this.focusMenuToggle();\n            }.bind(this));\n\n            // Close the popover if any other part of the page is clicked.\n            $('html').click(function(e) {\n                var target = $(e.target);\n                if (!this.root.is(target) && !this.root.has(target).length) {\n                    this.closeMenu();\n                }\n            }.bind(this));\n\n            customEvents.define(this.getContentContainer(), [\n                customEvents.events.scrollBottom\n            ]);\n        }.bind(this));\n    };\n\n    /**\n     * Set up the event listeners for keyboard navigating a list of content items.\n     *\n     * @method registerListNavigationEventListeners\n     */\n    PopoverRegionController.prototype.registerListNavigationEventListeners = function() {\n        customEvents.define(this.root, [\n            customEvents.events.down\n        ]);\n\n        // If the down arrow is pressed then open the menu and focus the first content\n        // item or focus the next content item if the menu is open.\n        this.root.on(customEvents.events.down, function(e, data) {\n            if (!this.isMenuOpen()) {\n                this.openMenu();\n                this.focusFirstContentItem();\n            } else {\n                if (this.contentItemHasFocus()) {\n                    this.focusNextContentItem();\n                } else {\n                    this.focusFirstContentItem();\n                }\n            }\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        // Delay the binding of these handlers until the region has been opened.\n        this.promises.navigationHandlers.done(function() {\n            customEvents.define(this.root, [\n                customEvents.events.up,\n                customEvents.events.home,\n                customEvents.events.end,\n            ]);\n\n            // Shift focus to the previous content item if the up key is pressed.\n            this.root.on(customEvents.events.up, function(e, data) {\n                this.focusPreviousContentItem();\n                data.originalEvent.preventDefault();\n            }.bind(this));\n\n            // Jump focus to the first content item if the home key is pressed.\n            this.root.on(customEvents.events.home, function(e, data) {\n                this.focusFirstContentItem();\n                data.originalEvent.preventDefault();\n            }.bind(this));\n\n            // Jump focus to the last content item if the end key is pressed.\n            this.root.on(customEvents.events.end, function(e, data) {\n                this.focusLastContentItem();\n                data.originalEvent.preventDefault();\n            }.bind(this));\n        }.bind(this));\n    };\n\n    return PopoverRegionController;\n});\n"],"names":["define","$","str","customEvents","SELECTORS","PopoverRegionController","element","root","content","this","find","contentContainer","menuContainer","menuToggle","isLoading","promises","closeHandlers","Deferred","navigationHandlers","registerBaseEventListeners","prototype","events","menuOpened","menuClosed","startLoading","stopLoading","getContentContainer","getContent","isMenuOpen","hasClass","toggleMenu","closeMenu","openMenu","addClass","attr","updateButtonAriaLabel","trigger","removeClass","resolve","get_string","done","string","bind","focusMenuToggle","focus","contentItemHasFocus","getContentItemWithFocus","length","currentFocus","document","activeElement","items","children","currentItem","filter","has","focusContentItem","item","is","first","focusFirstContentItem","focusLastContentItem","last","focusNextContentItem","next","focusPreviousContentItem","prev","activate","escape","on","click","e","target","scrollBottom","registerListNavigationEventListeners","down","data","originalEvent","preventDefault","up","home","end"],"mappings":";;;;;;;;;;;;AA2BAA,wCAAO,CAAC,SAAU,WAAY,mCACtB,SAASC,EAAGC,IAAKC,kBAEjBC,kBACS,0BADTA,4BAEmB,oCAFnBA,yBAGgB,4BAHhBA,sBAIa,yBAJbA,4BAKmB,4EAQnBC,wBAA0B,SAASC,cAC9BC,KAAON,EAAEK,cACTE,QAAUC,KAAKF,KAAKG,KAAKN,wBACzBO,iBAAmBF,KAAKF,KAAKG,KAAKN,kCAClCQ,cAAgBH,KAAKF,KAAKG,KAAKN,+BAC/BS,WAAaJ,KAAKF,KAAKG,KAAKN,4BAC5BU,WAAY,OACZC,SAAW,CACZC,cAAef,EAAEgB,WACjBC,mBAAoBjB,EAAEgB,iBAIrBE,qCAQTd,wBAAwBe,UAAUC,OAAS,iBAChC,CACHC,WAAY,2BACZC,WAAY,2BACZC,aAAc,6BACdC,YAAa,8BAUrBpB,wBAAwBe,UAAUM,oBAAsB,kBAC7CjB,KAAKE,kBAShBN,wBAAwBe,UAAUO,WAAa,kBACpClB,KAAKD,SAShBH,wBAAwBe,UAAUQ,WAAa,kBACnCnB,KAAKF,KAAKsB,SAAS,cAQ/BxB,wBAAwBe,UAAUU,WAAa,WACvCrB,KAAKmB,kBACAG,iBAEAC,YAWb3B,wBAAwBe,UAAUW,UAAY,WAErCtB,KAAKmB,oBAILrB,KAAK0B,SAAS,kBACdrB,cAAcsB,KAAK,gBAAiB,cACpCtB,cAAcsB,KAAK,cAAe,aAClCC,6BACA5B,KAAK6B,QAAQ3B,KAAKY,SAASE,cAUpClB,wBAAwBe,UAAUY,SAAW,WAErCvB,KAAKmB,oBAIJrB,KAAK8B,YAAY,kBACjBzB,cAAcsB,KAAK,gBAAiB,aACpCtB,cAAcsB,KAAK,cAAe,cAClCC,6BAGApB,SAASC,cAAcsB,eACvBvB,SAASG,mBAAmBoB,eAC5B/B,KAAK6B,QAAQ3B,KAAKY,SAASC,cAQpCjB,wBAAwBe,UAAUe,sBAAwB,WAClD1B,KAAKmB,aACL1B,IAAIqC,WAAW,qBAAqBC,KAAK,SAASC,aACzC5B,WAAWqB,KAAK,aAAcO,SACrCC,KAAKjC,OAEPP,IAAIqC,WAAW,qBAAqBC,KAAK,SAASC,aACzC5B,WAAWqB,KAAK,aAAcO,SACrCC,KAAKjC,QAWfJ,wBAAwBe,UAAUI,aAAe,gBACxCV,WAAY,OACZY,sBAAsBO,SAAS,gBAC/BP,sBAAsBQ,KAAK,YAAa,aACxC3B,KAAK6B,QAAQ3B,KAAKY,SAASG,eAUpCnB,wBAAwBe,UAAUK,YAAc,gBACvCX,WAAY,OACZY,sBAAsBW,YAAY,gBAClCX,sBAAsBQ,KAAK,YAAa,cACxC3B,KAAK6B,QAAQ3B,KAAKY,SAASI,cAQpCpB,wBAAwBe,UAAUuB,gBAAkB,gBAC3C9B,WAAW+B,SASpBvC,wBAAwBe,UAAUyB,oBAAsB,kBAC7CpC,KAAKqC,0BAA0BC,OAAS,GASnD1C,wBAAwBe,UAAU0B,wBAA0B,eACpDE,aAAe/C,EAAEgD,SAASC,eAC1BC,MAAQ1C,KAAKkB,aAAayB,WAC1BC,YAAcF,MAAMG,OAAON,qBAE1BK,YAAYN,SACbM,YAAcF,MAAMI,IAAIP,eAGrBK,aAUXhD,wBAAwBe,UAAUoC,iBAAmB,SAASC,MACtDA,KAAKC,GAAGtD,6BACRqD,KAAKb,QAELa,KAAK/C,KAAKN,6BAA6BuD,QAAQf,SASvDvC,wBAAwBe,UAAUwC,sBAAwB,gBACjDJ,iBAAiB/C,KAAKkB,aAAayB,WAAWO,UAQvDtD,wBAAwBe,UAAUyC,qBAAuB,gBAChDL,iBAAiB/C,KAAKkB,aAAayB,WAAWU,SASvDzD,wBAAwBe,UAAU2C,qBAAuB,eACjDV,YAAc5C,KAAKqC,0BAEnBO,YAAYN,QAAUM,YAAYW,aAC7BR,iBAAiBH,YAAYW,SAU1C3D,wBAAwBe,UAAU6C,yBAA2B,eACrDZ,YAAc5C,KAAKqC,0BAEnBO,YAAYN,QAAUM,YAAYa,aAC7BV,iBAAiBH,YAAYa,SAS1C7D,wBAAwBe,UAAUD,2BAA6B,WAC3DhB,aAAaH,OAAOS,KAAKF,KAAM,CAC3BJ,aAAakB,OAAO8C,SACpBhE,aAAakB,OAAO+C,cAInB7D,KAAK8D,GAAGlE,aAAakB,OAAO8C,SAAU/D,sBAAuB,gBACzD0B,cACPY,KAAKjC,YAGFM,SAASC,cAAcwB,KAAK,gBAExBjC,KAAK8D,GAAGlE,aAAakB,OAAO+C,OAAQ,gBAChCrC,iBACAY,mBACPD,KAAKjC,OAGPR,EAAE,QAAQqE,MAAM,SAASC,OACjBC,OAASvE,EAAEsE,EAAEC,QACZ/D,KAAKF,KAAKmD,GAAGc,SAAY/D,KAAKF,KAAKgD,IAAIiB,QAAQzB,aAC3ChB,aAEXW,KAAKjC,OAEPN,aAAaH,OAAOS,KAAKiB,sBAAuB,CAC5CvB,aAAakB,OAAOoD,gBAE1B/B,KAAKjC,QAQXJ,wBAAwBe,UAAUsD,qCAAuC,WACrEvE,aAAaH,OAAOS,KAAKF,KAAM,CAC3BJ,aAAakB,OAAOsD,YAKnBpE,KAAK8D,GAAGlE,aAAakB,OAAOsD,KAAM,SAASJ,EAAGK,MAC1CnE,KAAKmB,aAIFnB,KAAKoC,2BACAkB,4BAEAH,8BANJ5B,gBACA4B,yBASTgB,KAAKC,cAAcC,kBACrBpC,KAAKjC,YAGFM,SAASG,mBAAmBsB,KAAK,WAClCrC,aAAaH,OAAOS,KAAKF,KAAM,CAC3BJ,aAAakB,OAAO0D,GACpB5E,aAAakB,OAAO2D,KACpB7E,aAAakB,OAAO4D,WAInB1E,KAAK8D,GAAGlE,aAAakB,OAAO0D,GAAI,SAASR,EAAGK,WACxCX,2BACLW,KAAKC,cAAcC,kBACrBpC,KAAKjC,YAGFF,KAAK8D,GAAGlE,aAAakB,OAAO2D,KAAM,SAAST,EAAGK,WAC1ChB,wBACLgB,KAAKC,cAAcC,kBACrBpC,KAAKjC,YAGFF,KAAK8D,GAAGlE,aAAakB,OAAO4D,IAAK,SAASV,EAAGK,WACzCf,uBACLe,KAAKC,cAAcC,kBACrBpC,KAAKjC,QACTiC,KAAKjC,QAGJJ"}
\ No newline at end of file
diff --git a/lib/amd/build/popper.min.js b/lib/amd/build/popper.min.js
index 739ac49e990..c2318df3751 100644
--- a/lib/amd/build/popper.min.js
+++ b/lib/amd/build/popper.min.js
@@ -1,2 +1,27 @@
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re.COUNTERCLOCKWISE:p=ne(i,!0);break;default:p=t.behavior;}p.forEach(function(s,d){if(i!==s||p.length===d+1){return e}i=e.placement.split("-")[0];n=I(i);var a=e.offsets.popper,l=e.offsets.reference,f=Math.floor,m="left"===i&&f(a.right)>f(l.left)||"right"===i&&f(a.left)<f(l.right)||"top"===i&&f(a.bottom)>f(l.top)||"bottom"===i&&f(a.top)<f(l.bottom),c=f(a.left)<f(o.left),h=f(a.right)>f(o.right),u=f(a.top)<f(o.top),g=f(a.bottom)>f(o.bottom),b="left"===i&&c||"right"===i&&h||"top"===i&&u||"bottom"===i&&g,y=-1!==["top","bottom"].indexOf(i),w=!!t.flipVariations&&(y&&"start"===r&&c||y&&"end"===r&&h||!y&&"start"===r&&u||!y&&"end"===r&&g);if(m||b||w){e.flipped=!0;if(m||b){i=p[d+1]}if(w){r=te(r)}e.placement=i+(r?"-"+r:"");e.offsets.popper=S({},e.offsets.popper,M(e.instance.popper,e.offsets.reference,e.placement));e=Y(e.instance.modifiers,e,"flip")}});return e},behavior:"flip",padding:5,boundariesElement:"viewport"},inner:{order:700,enabled:!1,fn:function(e){var t=e.placement,o=t.split("-")[0],i=e.offsets,n=i.popper,r=i.reference,p=-1!==["left","right"].indexOf(o),s=-1===["top","left"].indexOf(o);n[p?"left":"top"]=r[o]-(s?n[p?"width":"height"]:0);e.placement=I(t);e.offsets.popper=T(n);return e}},hide:{order:800,enabled:!0,fn:function(e){if(!ee(e.instance.modifiers,"hide","preventOverflow")){return e}var t=e.offsets.reference,o=R(e.instance.modifiers,function(e){return"preventOverflow"===e.name}).boundaries;if(t.bottom<o.top||t.left>o.right||t.top>o.bottom||t.right<o.left){if(!0===e.hide){return e}e.hide=!0;e.attributes["x-out-of-boundaries"]=""}else{if(!1===e.hide){return e}e.hide=!1;e.attributes["x-out-of-boundaries"]=!1}return e}},computeStyle:{order:850,enabled:!0,fn:function(e,t){var o=t.x,i=t.y,n=e.offsets.popper,r=R(e.instance.modifiers,function(e){return"applyStyle"===e.name}).gpuAcceleration;if(r!==void 0){console.warn("WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!")}var p=r!==void 0?r:t.gpuAcceleration,s=f(e.instance.popper),d=C(s),a={position:n.position},l={left:Math.floor(n.left),top:Math.floor(n.top),bottom:Math.floor(n.bottom),right:Math.floor(n.right)},m="bottom"===o?"top":"bottom",c="right"===i?"left":"right",h=q("transform"),u=void 0,g=void 0;if("bottom"===m){g=-d.height+l.bottom}else{g=l.top}if("right"===c){u=-d.width+l.right}else{u=l.left}if(p&&h){a[h]="translate3d("+u+"px, "+g+"px, 0)";a[m]=0;a[c]=0;a.willChange="transform"}else{var b="bottom"===m?-1:1,y="right"===c?-1:1;a[m]=g*b;a[c]=u*y;a.willChange=m+", "+c}var w={"x-placement":e.placement};e.attributes=S({},w,e.attributes);e.styles=S({},a,e.styles);e.arrowStyles=S({},e.offsets.arrow,e.arrowStyles);return e},gpuAcceleration:!0,x:"bottom",y:"right"},applyStyle:{order:900,enabled:!0,fn:function(e){Z(e.instance.popper,e.styles);$(e.instance.popper,e.attributes);if(e.arrowElement&&Object.keys(e.arrowStyles).length){Z(e.arrowElement,e.arrowStyles)}return e},onLoad:function(e,t,o,i,n){var r=H(n,t,e),p=P(o.placement,r,t,e,o.modifiers.flip.boundariesElement,o.modifiers.flip.padding);t.setAttribute("x-placement",p);Z(t,{position:"absolute"});return o},gpuAcceleration:void 0}}};return ae});
-//# sourceMappingURL=popper.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**!
+ * @fileOverview Kickass library to create and place poppers near their reference elements.
+ * @version 1.12.6
+ * @license
+ * Copyright (c) 2016 Federico Zivolo and contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */}!function(global,factory){"object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module?module.exports=factory():"function"==typeof define&&define.amd?define("core/popper",factory):global.Popper=factory()}(window,(function(){for(var isBrowser="undefined"!=typeof window&&void 0!==window.document,longerTimeoutBrowsers=["Edge","Trident","Firefox"],timeoutDuration=0,i=0;i<longerTimeoutBrowsers.length;i+=1)if(isBrowser&&navigator.userAgent.indexOf(longerTimeoutBrowsers[i])>=0){timeoutDuration=1;break}var debounce=isBrowser&&window.Promise?function(fn){var called=!1;return function(){called||(called=!0,Promise.resolve().then((function(){called=!1,fn()})))}}:function(fn){var scheduled=!1;return function(){scheduled||(scheduled=!0,setTimeout((function(){scheduled=!1,fn()}),timeoutDuration))}};function isFunction(functionToCheck){return functionToCheck&&"[object Function]"==={}.toString.call(functionToCheck)}function getStyleComputedProperty(element,property){if(1!==element.nodeType)return[];var css=window.getComputedStyle(element,null);return property?css[property]:css}function getParentNode(element){return"HTML"===element.nodeName?element:element.parentNode||element.host}function getScrollParent(element){if(!element)return window.document.body;switch(element.nodeName){case"HTML":case"BODY":return element.ownerDocument.body;case"#document":return element.body}var _getStyleComputedProp=getStyleComputedProperty(element),overflow=_getStyleComputedProp.overflow,overflowX=_getStyleComputedProp.overflowX,overflowY=_getStyleComputedProp.overflowY;return/(auto|scroll)/.test(overflow+overflowY+overflowX)?element:getScrollParent(getParentNode(element))}function getOffsetParent(element){var offsetParent=element&&element.offsetParent,nodeName=offsetParent&&offsetParent.nodeName;return nodeName&&"BODY"!==nodeName&&"HTML"!==nodeName?-1!==["TD","TABLE"].indexOf(offsetParent.nodeName)&&"static"===getStyleComputedProperty(offsetParent,"position")?getOffsetParent(offsetParent):offsetParent:element?element.ownerDocument.documentElement:window.document.documentElement}function getRoot(node){return null!==node.parentNode?getRoot(node.parentNode):node}function findCommonOffsetParent(element1,element2){if(!(element1&&element1.nodeType&&element2&&element2.nodeType))return window.document.documentElement;var order=element1.compareDocumentPosition(element2)&Node.DOCUMENT_POSITION_FOLLOWING,start=order?element1:element2,end=order?element2:element1,range=document.createRange();range.setStart(start,0),range.setEnd(end,0);var element,nodeName,commonAncestorContainer=range.commonAncestorContainer;if(element1!==commonAncestorContainer&&element2!==commonAncestorContainer||start.contains(end))return"BODY"===(nodeName=(element=commonAncestorContainer).nodeName)||"HTML"!==nodeName&&getOffsetParent(element.firstElementChild)!==element?getOffsetParent(commonAncestorContainer):commonAncestorContainer;var element1root=getRoot(element1);return element1root.host?findCommonOffsetParent(element1root.host,element2):findCommonOffsetParent(element1,getRoot(element2).host)}function getScroll(element){var side=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"top",upperSide="top"===side?"scrollTop":"scrollLeft",nodeName=element.nodeName;if("BODY"===nodeName||"HTML"===nodeName){var html=element.ownerDocument.documentElement,scrollingElement=element.ownerDocument.scrollingElement||html;return scrollingElement[upperSide]}return element[upperSide]}function getBordersSize(styles,axis){var sideA="x"===axis?"Left":"Top",sideB="Left"===sideA?"Right":"Bottom";return+styles["border"+sideA+"Width"].split("px")[0]+ +styles["border"+sideB+"Width"].split("px")[0]}var isIE10=void 0,isIE10$1=function(){return void 0===isIE10&&(isIE10=-1!==navigator.appVersion.indexOf("MSIE 10")),isIE10};function getSize(axis,body,html,computedStyle){return Math.max(body["offset"+axis],body["scroll"+axis],html["client"+axis],html["offset"+axis],html["scroll"+axis],isIE10$1()?html["offset"+axis]+computedStyle["margin"+("Height"===axis?"Top":"Left")]+computedStyle["margin"+("Height"===axis?"Bottom":"Right")]:0)}function getWindowSizes(){var body=window.document.body,html=window.document.documentElement,computedStyle=isIE10$1()&&window.getComputedStyle(html);return{height:getSize("Height",body,html,computedStyle),width:getSize("Width",body,html,computedStyle)}}var classCallCheck=function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")},createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),defineProperty=function(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj},_extends=Object.assign||function(target){for(var i=1;i<arguments.length;i++){var source=arguments[i];for(var key in source)Object.prototype.hasOwnProperty.call(source,key)&&(target[key]=source[key])}return target};function getClientRect(offsets){return _extends({},offsets,{right:offsets.left+offsets.width,bottom:offsets.top+offsets.height})}function getBoundingClientRect(element){var rect={};if(isIE10$1())try{rect=element.getBoundingClientRect();var scrollTop=getScroll(element,"top"),scrollLeft=getScroll(element,"left");rect.top+=scrollTop,rect.left+=scrollLeft,rect.bottom+=scrollTop,rect.right+=scrollLeft}catch(err){}else rect=element.getBoundingClientRect();var result={left:rect.left,top:rect.top,width:rect.right-rect.left,height:rect.bottom-rect.top},sizes="HTML"===element.nodeName?getWindowSizes():{},width=sizes.width||element.clientWidth||result.right-result.left,height=sizes.height||element.clientHeight||result.bottom-result.top,horizScrollbar=element.offsetWidth-width,vertScrollbar=element.offsetHeight-height;if(horizScrollbar||vertScrollbar){var styles=getStyleComputedProperty(element);horizScrollbar-=getBordersSize(styles,"x"),vertScrollbar-=getBordersSize(styles,"y"),result.width-=horizScrollbar,result.height-=vertScrollbar}return getClientRect(result)}function getOffsetRectRelativeToArbitraryNode(children,parent){var isIE10=isIE10$1(),isHTML="HTML"===parent.nodeName,childrenRect=getBoundingClientRect(children),parentRect=getBoundingClientRect(parent),scrollParent=getScrollParent(children),styles=getStyleComputedProperty(parent),borderTopWidth=+styles.borderTopWidth.split("px")[0],borderLeftWidth=+styles.borderLeftWidth.split("px")[0],offsets=getClientRect({top:childrenRect.top-parentRect.top-borderTopWidth,left:childrenRect.left-parentRect.left-borderLeftWidth,width:childrenRect.width,height:childrenRect.height});if(offsets.marginTop=0,offsets.marginLeft=0,!isIE10&&isHTML){var marginTop=+styles.marginTop.split("px")[0],marginLeft=+styles.marginLeft.split("px")[0];offsets.top-=borderTopWidth-marginTop,offsets.bottom-=borderTopWidth-marginTop,offsets.left-=borderLeftWidth-marginLeft,offsets.right-=borderLeftWidth-marginLeft,offsets.marginTop=marginTop,offsets.marginLeft=marginLeft}return(isIE10?parent.contains(scrollParent):parent===scrollParent&&"BODY"!==scrollParent.nodeName)&&(offsets=function(rect,element){var subtract=arguments.length>2&&void 0!==arguments[2]&&arguments[2],scrollTop=getScroll(element,"top"),scrollLeft=getScroll(element,"left"),modifier=subtract?-1:1;return rect.top+=scrollTop*modifier,rect.bottom+=scrollTop*modifier,rect.left+=scrollLeft*modifier,rect.right+=scrollLeft*modifier,rect}(offsets,parent)),offsets}function isFixed(element){var nodeName=element.nodeName;return"BODY"!==nodeName&&"HTML"!==nodeName&&("fixed"===getStyleComputedProperty(element,"position")||isFixed(getParentNode(element)))}function getBoundaries(popper,reference,padding,boundariesElement){var boundaries={top:0,left:0},offsetParent=findCommonOffsetParent(popper,reference);if("viewport"===boundariesElement)boundaries=function(element){var html=element.ownerDocument.documentElement,relativeOffset=getOffsetRectRelativeToArbitraryNode(element,html),width=Math.max(html.clientWidth,window.innerWidth||0),height=Math.max(html.clientHeight,window.innerHeight||0),scrollTop=getScroll(html),scrollLeft=getScroll(html,"left");return getClientRect({top:scrollTop-relativeOffset.top+relativeOffset.marginTop,left:scrollLeft-relativeOffset.left+relativeOffset.marginLeft,width:width,height:height})}(offsetParent);else{var boundariesNode=void 0;"scrollParent"===boundariesElement?"BODY"===(boundariesNode=getScrollParent(getParentNode(popper))).nodeName&&(boundariesNode=popper.ownerDocument.documentElement):boundariesNode="window"===boundariesElement?popper.ownerDocument.documentElement:boundariesElement;var offsets=getOffsetRectRelativeToArbitraryNode(boundariesNode,offsetParent);if("HTML"!==boundariesNode.nodeName||isFixed(offsetParent))boundaries=offsets;else{var _getWindowSizes=getWindowSizes(),height=_getWindowSizes.height,width=_getWindowSizes.width;boundaries.top+=offsets.top-offsets.marginTop,boundaries.bottom=height+offsets.top,boundaries.left+=offsets.left-offsets.marginLeft,boundaries.right=width+offsets.left}}return boundaries.left+=padding,boundaries.top+=padding,boundaries.right-=padding,boundaries.bottom-=padding,boundaries}function getArea(_ref){return _ref.width*_ref.height}function computeAutoPlacement(placement,refRect,popper,reference,boundariesElement){var padding=arguments.length>5&&void 0!==arguments[5]?arguments[5]:0;if(-1===placement.indexOf("auto"))return placement;var boundaries=getBoundaries(popper,reference,padding,boundariesElement),rects={top:{width:boundaries.width,height:refRect.top-boundaries.top},right:{width:boundaries.right-refRect.right,height:boundaries.height},bottom:{width:boundaries.width,height:boundaries.bottom-refRect.bottom},left:{width:refRect.left-boundaries.left,height:boundaries.height}},sortedAreas=Object.keys(rects).map((function(key){return _extends({key:key},rects[key],{area:getArea(rects[key])})})).sort((function(a,b){return b.area-a.area})),filteredAreas=sortedAreas.filter((function(_ref2){var width=_ref2.width,height=_ref2.height;return width>=popper.clientWidth&&height>=popper.clientHeight})),computedPlacement=filteredAreas.length>0?filteredAreas[0].key:sortedAreas[0].key,variation=placement.split("-")[1];return computedPlacement+(variation?"-"+variation:"")}function getReferenceOffsets(state,popper,reference){return getOffsetRectRelativeToArbitraryNode(reference,findCommonOffsetParent(popper,reference))}function getOuterSizes(element){var styles=window.getComputedStyle(element),x=parseFloat(styles.marginTop)+parseFloat(styles.marginBottom),y=parseFloat(styles.marginLeft)+parseFloat(styles.marginRight);return{width:element.offsetWidth+y,height:element.offsetHeight+x}}function getOppositePlacement(placement){var hash={left:"right",right:"left",bottom:"top",top:"bottom"};return placement.replace(/left|right|bottom|top/g,(function(matched){return hash[matched]}))}function getPopperOffsets(popper,referenceOffsets,placement){placement=placement.split("-")[0];var popperRect=getOuterSizes(popper),popperOffsets={width:popperRect.width,height:popperRect.height},isHoriz=-1!==["right","left"].indexOf(placement),mainSide=isHoriz?"top":"left",secondarySide=isHoriz?"left":"top",measurement=isHoriz?"height":"width",secondaryMeasurement=isHoriz?"width":"height";return popperOffsets[mainSide]=referenceOffsets[mainSide]+referenceOffsets[measurement]/2-popperRect[measurement]/2,popperOffsets[secondarySide]=placement===secondarySide?referenceOffsets[secondarySide]-popperRect[secondaryMeasurement]:referenceOffsets[getOppositePlacement(secondarySide)],popperOffsets}function find(arr,check){return Array.prototype.find?arr.find(check):arr.filter(check)[0]}function runModifiers(modifiers,data,ends){return(void 0===ends?modifiers:modifiers.slice(0,function(arr,prop,value){if(Array.prototype.findIndex)return arr.findIndex((function(cur){return cur[prop]===value}));var match=find(arr,(function(obj){return obj[prop]===value}));return arr.indexOf(match)}(modifiers,"name",ends))).forEach((function(modifier){modifier.function&&console.warn("`modifier.function` is deprecated, use `modifier.fn`!");var fn=modifier.function||modifier.fn;modifier.enabled&&isFunction(fn)&&(data.offsets.popper=getClientRect(data.offsets.popper),data.offsets.reference=getClientRect(data.offsets.reference),data=fn(data,modifier))})),data}function update(){if(!this.state.isDestroyed){var data={instance:this,styles:{},arrowStyles:{},attributes:{},flipped:!1,offsets:{}};data.offsets.reference=getReferenceOffsets(this.state,this.popper,this.reference),data.placement=computeAutoPlacement(this.options.placement,data.offsets.reference,this.popper,this.reference,this.options.modifiers.flip.boundariesElement,this.options.modifiers.flip.padding),data.originalPlacement=data.placement,data.offsets.popper=getPopperOffsets(this.popper,data.offsets.reference,data.placement),data.offsets.popper.position="absolute",data=runModifiers(this.modifiers,data),this.state.isCreated?this.options.onUpdate(data):(this.state.isCreated=!0,this.options.onCreate(data))}}function isModifierEnabled(modifiers,modifierName){return modifiers.some((function(_ref){var name=_ref.name;return _ref.enabled&&name===modifierName}))}function getSupportedPropertyName(property){for(var prefixes=[!1,"ms","Webkit","Moz","O"],upperProp=property.charAt(0).toUpperCase()+property.slice(1),i=0;i<prefixes.length-1;i++){var prefix=prefixes[i],toCheck=prefix?""+prefix+upperProp:property;if(void 0!==window.document.body.style[toCheck])return toCheck}return null}function destroy(){return this.state.isDestroyed=!0,isModifierEnabled(this.modifiers,"applyStyle")&&(this.popper.removeAttribute("x-placement"),this.popper.style.left="",this.popper.style.position="",this.popper.style.top="",this.popper.style[getSupportedPropertyName("transform")]=""),this.disableEventListeners(),this.options.removeOnDestroy&&this.popper.parentNode.removeChild(this.popper),this}function getWindow(element){var ownerDocument=element.ownerDocument;return ownerDocument?ownerDocument.defaultView:window}function attachToScrollParents(scrollParent,event,callback,scrollParents){var isBody="BODY"===scrollParent.nodeName,target=isBody?scrollParent.ownerDocument.defaultView:scrollParent;target.addEventListener(event,callback,{passive:!0}),isBody||attachToScrollParents(getScrollParent(target.parentNode),event,callback,scrollParents),scrollParents.push(target)}function setupEventListeners(reference,options,state,updateBound){state.updateBound=updateBound,getWindow(reference).addEventListener("resize",state.updateBound,{passive:!0});var scrollElement=getScrollParent(reference);return attachToScrollParents(scrollElement,"scroll",state.updateBound,state.scrollParents),state.scrollElement=scrollElement,state.eventsEnabled=!0,state}function enableEventListeners(){this.state.eventsEnabled||(this.state=setupEventListeners(this.reference,this.options,this.state,this.scheduleUpdate))}function disableEventListeners(){var reference,state;this.state.eventsEnabled&&(window.cancelAnimationFrame(this.scheduleUpdate),this.state=(reference=this.reference,state=this.state,getWindow(reference).removeEventListener("resize",state.updateBound),state.scrollParents.forEach((function(target){target.removeEventListener("scroll",state.updateBound)})),state.updateBound=null,state.scrollParents=[],state.scrollElement=null,state.eventsEnabled=!1,state))}function isNumeric(n){return""!==n&&!isNaN(parseFloat(n))&&isFinite(n)}function setStyles(element,styles){Object.keys(styles).forEach((function(prop){var unit="";-1!==["width","height","top","right","bottom","left"].indexOf(prop)&&isNumeric(styles[prop])&&(unit="px"),element.style[prop]=styles[prop]+unit}))}function isModifierRequired(modifiers,requestingName,requestedName){var requesting=find(modifiers,(function(_ref){return _ref.name===requestingName})),isRequired=!!requesting&&modifiers.some((function(modifier){return modifier.name===requestedName&&modifier.enabled&&modifier.order<requesting.order}));if(!isRequired){var _requesting="`"+requestingName+"`",requested="`"+requestedName+"`";console.warn(requested+" modifier is required by "+_requesting+" modifier in order to work, be sure to include it before "+_requesting+"!")}return isRequired}var placements=["auto-start","auto","auto-end","top-start","top","top-end","right-start","right","right-end","bottom-end","bottom","bottom-start","left-end","left","left-start"],validPlacements=placements.slice(3);function clockwise(placement){var counter=arguments.length>1&&void 0!==arguments[1]&&arguments[1],index=validPlacements.indexOf(placement),arr=validPlacements.slice(index+1).concat(validPlacements.slice(0,index));return counter?arr.reverse():arr}var BEHAVIORS_FLIP="flip",BEHAVIORS_CLOCKWISE="clockwise",BEHAVIORS_COUNTERCLOCKWISE="counterclockwise";function parseOffset(offset,popperOffsets,referenceOffsets,basePlacement){var offsets=[0,0],useHeight=-1!==["right","left"].indexOf(basePlacement),fragments=offset.split(/(\+|\-)/).map((function(frag){return frag.trim()})),divider=fragments.indexOf(find(fragments,(function(frag){return-1!==frag.search(/,|\s/)})));fragments[divider]&&-1===fragments[divider].indexOf(",")&&console.warn("Offsets separated by white space(s) are deprecated, use a comma (,) instead.");var splitRegex=/\s*,\s*|\s+/,ops=-1!==divider?[fragments.slice(0,divider).concat([fragments[divider].split(splitRegex)[0]]),[fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider+1))]:[fragments];return ops=ops.map((function(op,index){var measurement=(1===index?!useHeight:useHeight)?"height":"width",mergeWithPrevious=!1;return op.reduce((function(a,b){return""===a[a.length-1]&&-1!==["+","-"].indexOf(b)?(a[a.length-1]=b,mergeWithPrevious=!0,a):mergeWithPrevious?(a[a.length-1]+=b,mergeWithPrevious=!1,a):a.concat(b)}),[]).map((function(str){return function(str,measurement,popperOffsets,referenceOffsets){var split=str.match(/((?:\-|\+)?\d*\.?\d*)(.*)/),value=+split[1],unit=split[2];if(!value)return str;if(0===unit.indexOf("%")){return getClientRect("%p"===unit?popperOffsets:referenceOffsets)[measurement]/100*value}if("vh"===unit||"vw"===unit)return("vh"===unit?Math.max(document.documentElement.clientHeight,window.innerHeight||0):Math.max(document.documentElement.clientWidth,window.innerWidth||0))/100*value;return value}(str,measurement,popperOffsets,referenceOffsets)}))})),ops.forEach((function(op,index){op.forEach((function(frag,index2){isNumeric(frag)&&(offsets[index]+=frag*("-"===op[index2-1]?-1:1))}))})),offsets}var modifiers={shift:{order:100,enabled:!0,fn:function(data){var placement=data.placement,basePlacement=placement.split("-")[0],shiftvariation=placement.split("-")[1];if(shiftvariation){var _data$offsets=data.offsets,reference=_data$offsets.reference,popper=_data$offsets.popper,isVertical=-1!==["bottom","top"].indexOf(basePlacement),side=isVertical?"left":"top",measurement=isVertical?"width":"height",shiftOffsets={start:defineProperty({},side,reference[side]),end:defineProperty({},side,reference[side]+reference[measurement]-popper[measurement])};data.offsets.popper=_extends({},popper,shiftOffsets[shiftvariation])}return data}},offset:{order:200,enabled:!0,fn:function(data,_ref){var offset=_ref.offset,placement=data.placement,_data$offsets=data.offsets,popper=_data$offsets.popper,reference=_data$offsets.reference,basePlacement=placement.split("-")[0],offsets=void 0;return offsets=isNumeric(+offset)?[+offset,0]:parseOffset(offset,popper,reference,basePlacement),"left"===basePlacement?(popper.top+=offsets[0],popper.left-=offsets[1]):"right"===basePlacement?(popper.top+=offsets[0],popper.left+=offsets[1]):"top"===basePlacement?(popper.left+=offsets[0],popper.top-=offsets[1]):"bottom"===basePlacement&&(popper.left+=offsets[0],popper.top+=offsets[1]),data.popper=popper,data},offset:0},preventOverflow:{order:300,enabled:!0,fn:function(data,options){var boundariesElement=options.boundariesElement||getOffsetParent(data.instance.popper);data.instance.reference===boundariesElement&&(boundariesElement=getOffsetParent(boundariesElement));var boundaries=getBoundaries(data.instance.popper,data.instance.reference,options.padding,boundariesElement);options.boundaries=boundaries;var order=options.priority,popper=data.offsets.popper,check={primary:function(placement){var value=popper[placement];return popper[placement]<boundaries[placement]&&!options.escapeWithReference&&(value=Math.max(popper[placement],boundaries[placement])),defineProperty({},placement,value)},secondary:function(placement){var mainSide="right"===placement?"left":"top",value=popper[mainSide];return popper[placement]>boundaries[placement]&&!options.escapeWithReference&&(value=Math.min(popper[mainSide],boundaries[placement]-("right"===placement?popper.width:popper.height))),defineProperty({},mainSide,value)}};return order.forEach((function(placement){var side=-1!==["left","top"].indexOf(placement)?"primary":"secondary";popper=_extends({},popper,check[side](placement))})),data.offsets.popper=popper,data},priority:["left","right","top","bottom"],padding:5,boundariesElement:"scrollParent"},keepTogether:{order:400,enabled:!0,fn:function(data){var _data$offsets=data.offsets,popper=_data$offsets.popper,reference=_data$offsets.reference,placement=data.placement.split("-")[0],floor=Math.floor,isVertical=-1!==["top","bottom"].indexOf(placement),side=isVertical?"right":"bottom",opSide=isVertical?"left":"top",measurement=isVertical?"width":"height";return popper[side]<floor(reference[opSide])&&(data.offsets.popper[opSide]=floor(reference[opSide])-popper[measurement]),popper[opSide]>floor(reference[side])&&(data.offsets.popper[opSide]=floor(reference[side])),data}},arrow:{order:500,enabled:!0,fn:function(data,options){if(!isModifierRequired(data.instance.modifiers,"arrow","keepTogether"))return data;var arrowElement=options.element;if("string"==typeof arrowElement){if(!(arrowElement=data.instance.popper.querySelector(arrowElement)))return data}else if(!data.instance.popper.contains(arrowElement))return console.warn("WARNING: `arrow.element` must be child of its popper element!"),data;var placement=data.placement.split("-")[0],_data$offsets=data.offsets,popper=_data$offsets.popper,reference=_data$offsets.reference,isVertical=-1!==["left","right"].indexOf(placement),len=isVertical?"height":"width",sideCapitalized=isVertical?"Top":"Left",side=sideCapitalized.toLowerCase(),altSide=isVertical?"left":"top",opSide=isVertical?"bottom":"right",arrowElementSize=getOuterSizes(arrowElement)[len];reference[opSide]-arrowElementSize<popper[side]&&(data.offsets.popper[side]-=popper[side]-(reference[opSide]-arrowElementSize)),reference[side]+arrowElementSize>popper[opSide]&&(data.offsets.popper[side]+=reference[side]+arrowElementSize-popper[opSide]);var center=reference[side]+reference[len]/2-arrowElementSize/2,popperMarginSide=getStyleComputedProperty(data.instance.popper,"margin"+sideCapitalized).replace("px",""),sideValue=center-getClientRect(data.offsets.popper)[side]-popperMarginSide;return sideValue=Math.max(Math.min(popper[len]-arrowElementSize,sideValue),0),data.arrowElement=arrowElement,data.offsets.arrow={},data.offsets.arrow[side]=Math.round(sideValue),data.offsets.arrow[altSide]="",data},element:"[x-arrow]"},flip:{order:600,enabled:!0,fn:function(data,options){if(isModifierEnabled(data.instance.modifiers,"inner"))return data;if(data.flipped&&data.placement===data.originalPlacement)return data;var boundaries=getBoundaries(data.instance.popper,data.instance.reference,options.padding,options.boundariesElement),placement=data.placement.split("-")[0],placementOpposite=getOppositePlacement(placement),variation=data.placement.split("-")[1]||"",flipOrder=[];switch(options.behavior){case BEHAVIORS_FLIP:flipOrder=[placement,placementOpposite];break;case BEHAVIORS_CLOCKWISE:flipOrder=clockwise(placement);break;case BEHAVIORS_COUNTERCLOCKWISE:flipOrder=clockwise(placement,!0);break;default:flipOrder=options.behavior}return flipOrder.forEach((function(step,index){if(placement!==step||flipOrder.length===index+1)return data;placement=data.placement.split("-")[0],placementOpposite=getOppositePlacement(placement);var popperOffsets=data.offsets.popper,refOffsets=data.offsets.reference,floor=Math.floor,overlapsRef="left"===placement&&floor(popperOffsets.right)>floor(refOffsets.left)||"right"===placement&&floor(popperOffsets.left)<floor(refOffsets.right)||"top"===placement&&floor(popperOffsets.bottom)>floor(refOffsets.top)||"bottom"===placement&&floor(popperOffsets.top)<floor(refOffsets.bottom),overflowsLeft=floor(popperOffsets.left)<floor(boundaries.left),overflowsRight=floor(popperOffsets.right)>floor(boundaries.right),overflowsTop=floor(popperOffsets.top)<floor(boundaries.top),overflowsBottom=floor(popperOffsets.bottom)>floor(boundaries.bottom),overflowsBoundaries="left"===placement&&overflowsLeft||"right"===placement&&overflowsRight||"top"===placement&&overflowsTop||"bottom"===placement&&overflowsBottom,isVertical=-1!==["top","bottom"].indexOf(placement),flippedVariation=!!options.flipVariations&&(isVertical&&"start"===variation&&overflowsLeft||isVertical&&"end"===variation&&overflowsRight||!isVertical&&"start"===variation&&overflowsTop||!isVertical&&"end"===variation&&overflowsBottom);(overlapsRef||overflowsBoundaries||flippedVariation)&&(data.flipped=!0,(overlapsRef||overflowsBoundaries)&&(placement=flipOrder[index+1]),flippedVariation&&(variation=function(variation){return"end"===variation?"start":"start"===variation?"end":variation}(variation)),data.placement=placement+(variation?"-"+variation:""),data.offsets.popper=_extends({},data.offsets.popper,getPopperOffsets(data.instance.popper,data.offsets.reference,data.placement)),data=runModifiers(data.instance.modifiers,data,"flip"))})),data},behavior:"flip",padding:5,boundariesElement:"viewport"},inner:{order:700,enabled:!1,fn:function(data){var placement=data.placement,basePlacement=placement.split("-")[0],_data$offsets=data.offsets,popper=_data$offsets.popper,reference=_data$offsets.reference,isHoriz=-1!==["left","right"].indexOf(basePlacement),subtractLength=-1===["top","left"].indexOf(basePlacement);return popper[isHoriz?"left":"top"]=reference[basePlacement]-(subtractLength?popper[isHoriz?"width":"height"]:0),data.placement=getOppositePlacement(placement),data.offsets.popper=getClientRect(popper),data}},hide:{order:800,enabled:!0,fn:function(data){if(!isModifierRequired(data.instance.modifiers,"hide","preventOverflow"))return data;var refRect=data.offsets.reference,bound=find(data.instance.modifiers,(function(modifier){return"preventOverflow"===modifier.name})).boundaries;if(refRect.bottom<bound.top||refRect.left>bound.right||refRect.top>bound.bottom||refRect.right<bound.left){if(!0===data.hide)return data;data.hide=!0,data.attributes["x-out-of-boundaries"]=""}else{if(!1===data.hide)return data;data.hide=!1,data.attributes["x-out-of-boundaries"]=!1}return data}},computeStyle:{order:850,enabled:!0,fn:function(data,options){var x=options.x,y=options.y,popper=data.offsets.popper,legacyGpuAccelerationOption=find(data.instance.modifiers,(function(modifier){return"applyStyle"===modifier.name})).gpuAcceleration;void 0!==legacyGpuAccelerationOption&&console.warn("WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!");var gpuAcceleration=void 0!==legacyGpuAccelerationOption?legacyGpuAccelerationOption:options.gpuAcceleration,offsetParentRect=getBoundingClientRect(getOffsetParent(data.instance.popper)),styles={position:popper.position},offsets={left:Math.floor(popper.left),top:Math.floor(popper.top),bottom:Math.floor(popper.bottom),right:Math.floor(popper.right)},sideA="bottom"===x?"top":"bottom",sideB="right"===y?"left":"right",prefixedProperty=getSupportedPropertyName("transform"),left=void 0,top=void 0;if(top="bottom"===sideA?-offsetParentRect.height+offsets.bottom:offsets.top,left="right"===sideB?-offsetParentRect.width+offsets.right:offsets.left,gpuAcceleration&&prefixedProperty)styles[prefixedProperty]="translate3d("+left+"px, "+top+"px, 0)",styles[sideA]=0,styles[sideB]=0,styles.willChange="transform";else{var invertTop="bottom"===sideA?-1:1,invertLeft="right"===sideB?-1:1;styles[sideA]=top*invertTop,styles[sideB]=left*invertLeft,styles.willChange=sideA+", "+sideB}var attributes={"x-placement":data.placement};return data.attributes=_extends({},attributes,data.attributes),data.styles=_extends({},styles,data.styles),data.arrowStyles=_extends({},data.offsets.arrow,data.arrowStyles),data},gpuAcceleration:!0,x:"bottom",y:"right"},applyStyle:{order:900,enabled:!0,fn:function(data){var element,attributes;return 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a.order-b.order})),this.modifiers.forEach((function(modifierOptions){modifierOptions.enabled&&isFunction(modifierOptions.onLoad)&&modifierOptions.onLoad(_this.reference,_this.popper,_this.options,modifierOptions,_this.state)})),this.update();var eventsEnabled=this.options.eventsEnabled;eventsEnabled&&this.enableEventListeners(),this.state.eventsEnabled=eventsEnabled}return createClass(Popper,[{key:"update",value:function(){return update.call(this)}},{key:"destroy",value:function(){return destroy.call(this)}},{key:"enableEventListeners",value:function(){return enableEventListeners.call(this)}},{key:"disableEventListeners",value:function(){return disableEventListeners.call(this)}}]),Popper}();return Popper.Utils=("undefined"!=typeof window?window:global).PopperUtils,Popper.placements=placements,Popper.Defaults=Defaults,Popper}));
+
+//# sourceMappingURL=popper.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/popper.min.js.map b/lib/amd/build/popper.min.js.map
index 12f67651826..257851de614 100644
--- a/lib/amd/build/popper.min.js.map
+++ b/lib/amd/build/popper.min.js.map
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* @fileOverview Kickass library to create and place poppers near their reference elements.\n * @version 1.12.6\n * @license\n * Copyright (c) 2016 Federico Zivolo and contributors\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  (global.Popper = factory());\n}(this, (function () { 'use strict';\n\nvar isBrowser = typeof window !== 'undefined' && typeof window.document !== 'undefined';\nvar longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];\nvar timeoutDuration = 0;\nfor (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {\n  if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {\n    timeoutDuration = 1;\n    break;\n  }\n}\n\nfunction microtaskDebounce(fn) {\n  var called = false;\n  return function () {\n    if (called) {\n      return;\n    }\n    called = true;\n    Promise.resolve().then(function () {\n      called = false;\n      fn();\n    });\n  };\n}\n\nfunction taskDebounce(fn) {\n  var scheduled = false;\n  return function () {\n    if (!scheduled) {\n      scheduled = true;\n      setTimeout(function () {\n        scheduled = false;\n        fn();\n      }, timeoutDuration);\n    }\n  };\n}\n\nvar supportsMicroTasks = isBrowser && window.Promise;\n\n/**\n* Create a debounced version of a method, that's asynchronously deferred\n* but called in the minimum time possible.\n*\n* @method\n* @memberof Popper.Utils\n* @argument {Function} fn\n* @returns {Function}\n*/\nvar debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;\n\n/**\n * Check if the given variable is a function\n * @method\n * @memberof Popper.Utils\n * @argument {Any} functionToCheck - variable to check\n * @returns {Boolean} answer to: is a function?\n */\nfunction isFunction(functionToCheck) {\n  var getType = {};\n  return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';\n}\n\n/**\n * Get CSS computed property of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Eement} element\n * @argument {String} property\n */\nfunction getStyleComputedProperty(element, property) {\n  if (element.nodeType !== 1) {\n    return [];\n  }\n  // NOTE: 1 DOM access here\n  var css = window.getComputedStyle(element, null);\n  return property ? css[property] : css;\n}\n\n/**\n * Returns the parentNode or the host of the element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} parent\n */\nfunction getParentNode(element) {\n  if (element.nodeName === 'HTML') {\n    return element;\n  }\n  return element.parentNode || element.host;\n}\n\n/**\n * Returns the scrolling parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} scroll parent\n */\nfunction getScrollParent(element) {\n  // Return body, `getScroll` will take care to get the correct `scrollTop` from it\n  if (!element) {\n    return window.document.body;\n  }\n\n  switch (element.nodeName) {\n    case 'HTML':\n    case 'BODY':\n      return element.ownerDocument.body;\n    case '#document':\n      return element.body;\n  }\n\n  // Firefox want us to check `-x` and `-y` variations as well\n\n  var _getStyleComputedProp = getStyleComputedProperty(element),\n      overflow = _getStyleComputedProp.overflow,\n      overflowX = _getStyleComputedProp.overflowX,\n      overflowY = _getStyleComputedProp.overflowY;\n\n  if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) {\n    return element;\n  }\n\n  return getScrollParent(getParentNode(element));\n}\n\n/**\n * Returns the offset parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} offset parent\n */\nfunction getOffsetParent(element) {\n  // NOTE: 1 DOM access here\n  var offsetParent = element && element.offsetParent;\n  var nodeName = offsetParent && offsetParent.nodeName;\n\n  if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {\n    if (element) {\n      return element.ownerDocument.documentElement;\n    }\n\n    return window.document.documentElement;\n  }\n\n  // .offsetParent will return the closest TD or TABLE in case\n  // no offsetParent is present, I hate this job...\n  if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {\n    return getOffsetParent(offsetParent);\n  }\n\n  return offsetParent;\n}\n\nfunction isOffsetContainer(element) {\n  var nodeName = element.nodeName;\n\n  if (nodeName === 'BODY') {\n    return false;\n  }\n  return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;\n}\n\n/**\n * Finds the root node (document, shadowDOM root) of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} node\n * @returns {Element} root node\n */\nfunction getRoot(node) {\n  if (node.parentNode !== null) {\n    return getRoot(node.parentNode);\n  }\n\n  return node;\n}\n\n/**\n * Finds the offset parent common to the two provided nodes\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element1\n * @argument {Element} element2\n * @returns {Element} common offset parent\n */\nfunction findCommonOffsetParent(element1, element2) {\n  // This check is needed to avoid errors in case one of the elements isn't defined for any reason\n  if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {\n    return window.document.documentElement;\n  }\n\n  // Here we make sure to give as \"start\" the element that comes first in the DOM\n  var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;\n  var start = order ? element1 : element2;\n  var end = order ? element2 : element1;\n\n  // Get common ancestor container\n  var range = document.createRange();\n  range.setStart(start, 0);\n  range.setEnd(end, 0);\n  var commonAncestorContainer = range.commonAncestorContainer;\n\n  // Both nodes are inside #document\n\n  if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {\n    if (isOffsetContainer(commonAncestorContainer)) {\n      return commonAncestorContainer;\n    }\n\n    return getOffsetParent(commonAncestorContainer);\n  }\n\n  // one of the nodes is inside shadowDOM, find which one\n  var element1root = getRoot(element1);\n  if (element1root.host) {\n    return findCommonOffsetParent(element1root.host, element2);\n  } else {\n    return findCommonOffsetParent(element1, getRoot(element2).host);\n  }\n}\n\n/**\n * Gets the scroll value of the given element in the given side (top and left)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {String} side `top` or `left`\n * @returns {number} amount of scrolled pixels\n */\nfunction getScroll(element) {\n  var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';\n\n  var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';\n  var nodeName = element.nodeName;\n\n  if (nodeName === 'BODY' || nodeName === 'HTML') {\n    var html = element.ownerDocument.documentElement;\n    var scrollingElement = element.ownerDocument.scrollingElement || html;\n    return scrollingElement[upperSide];\n  }\n\n  return element[upperSide];\n}\n\n/*\n * Sum or subtract the element scroll values (left and top) from a given rect object\n * @method\n * @memberof Popper.Utils\n * @param {Object} rect - Rect object you want to change\n * @param {HTMLElement} element - The element from the function reads the scroll values\n * @param {Boolean} subtract - set to true if you want to subtract the scroll values\n * @return {Object} rect - The modifier rect object\n */\nfunction includeScroll(rect, element) {\n  var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n  var scrollTop = getScroll(element, 'top');\n  var scrollLeft = getScroll(element, 'left');\n  var modifier = subtract ? -1 : 1;\n  rect.top += scrollTop * modifier;\n  rect.bottom += scrollTop * modifier;\n  rect.left += scrollLeft * modifier;\n  rect.right += scrollLeft * modifier;\n  return rect;\n}\n\n/*\n * Helper to detect borders of a given element\n * @method\n * @memberof Popper.Utils\n * @param {CSSStyleDeclaration} styles\n * Result of `getStyleComputedProperty` on the given element\n * @param {String} axis - `x` or `y`\n * @return {number} borders - The borders size of the given axis\n */\n\nfunction getBordersSize(styles, axis) {\n  var sideA = axis === 'x' ? 'Left' : 'Top';\n  var sideB = sideA === 'Left' ? 'Right' : 'Bottom';\n\n  return +styles['border' + sideA + 'Width'].split('px')[0] + +styles['border' + sideB + 'Width'].split('px')[0];\n}\n\n/**\n * Tells if you are running Internet Explorer 10\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean} isIE10\n */\nvar isIE10 = undefined;\n\nvar isIE10$1 = function () {\n  if (isIE10 === undefined) {\n    isIE10 = navigator.appVersion.indexOf('MSIE 10') !== -1;\n  }\n  return isIE10;\n};\n\nfunction getSize(axis, body, html, computedStyle) {\n  return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE10$1() ? html['offset' + axis] + computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')] + computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')] : 0);\n}\n\nfunction getWindowSizes() {\n  var body = window.document.body;\n  var html = window.document.documentElement;\n  var computedStyle = isIE10$1() && window.getComputedStyle(html);\n\n  return {\n    height: getSize('Height', body, html, computedStyle),\n    width: getSize('Width', body, html, computedStyle)\n  };\n}\n\nvar classCallCheck = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\nvar createClass = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      Object.defineProperty(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n\n\n\nvar defineProperty = function (obj, key, value) {\n  if (key in obj) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n  } else {\n    obj[key] = value;\n  }\n\n  return obj;\n};\n\nvar _extends = Object.assign || function (target) {\n  for (var i = 1; i < arguments.length; i++) {\n    var source = arguments[i];\n\n    for (var key in source) {\n      if (Object.prototype.hasOwnProperty.call(source, key)) {\n        target[key] = source[key];\n      }\n    }\n  }\n\n  return target;\n};\n\n/**\n * Given element offsets, generate an output similar to getBoundingClientRect\n * @method\n * @memberof Popper.Utils\n * @argument {Object} offsets\n * @returns {Object} ClientRect like output\n */\nfunction getClientRect(offsets) {\n  return _extends({}, offsets, {\n    right: offsets.left + offsets.width,\n    bottom: offsets.top + offsets.height\n  });\n}\n\n/**\n * Get bounding client rect of given element\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} element\n * @return {Object} client rect\n */\nfunction getBoundingClientRect(element) {\n  var rect = {};\n\n  // IE10 10 FIX: Please, don't ask, the element isn't\n  // considered in DOM in some circumstances...\n  // This isn't reproducible in IE10 compatibility mode of IE11\n  if (isIE10$1()) {\n    try {\n      rect = element.getBoundingClientRect();\n      var scrollTop = getScroll(element, 'top');\n      var scrollLeft = getScroll(element, 'left');\n      rect.top += scrollTop;\n      rect.left += scrollLeft;\n      rect.bottom += scrollTop;\n      rect.right += scrollLeft;\n    } catch (err) {}\n  } else {\n    rect = element.getBoundingClientRect();\n  }\n\n  var result = {\n    left: rect.left,\n    top: rect.top,\n    width: rect.right - rect.left,\n    height: rect.bottom - rect.top\n  };\n\n  // subtract scrollbar size from sizes\n  var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {};\n  var width = sizes.width || element.clientWidth || result.right - result.left;\n  var height = sizes.height || element.clientHeight || result.bottom - result.top;\n\n  var horizScrollbar = element.offsetWidth - width;\n  var vertScrollbar = element.offsetHeight - height;\n\n  // if an hypothetical scrollbar is detected, we must be sure it's not a `border`\n  // we make this check conditional for performance reasons\n  if (horizScrollbar || vertScrollbar) {\n    var styles = getStyleComputedProperty(element);\n    horizScrollbar -= getBordersSize(styles, 'x');\n    vertScrollbar -= getBordersSize(styles, 'y');\n\n    result.width -= horizScrollbar;\n    result.height -= vertScrollbar;\n  }\n\n  return getClientRect(result);\n}\n\nfunction getOffsetRectRelativeToArbitraryNode(children, parent) {\n  var isIE10 = isIE10$1();\n  var isHTML = parent.nodeName === 'HTML';\n  var childrenRect = getBoundingClientRect(children);\n  var parentRect = getBoundingClientRect(parent);\n  var scrollParent = getScrollParent(children);\n\n  var styles = getStyleComputedProperty(parent);\n  var borderTopWidth = +styles.borderTopWidth.split('px')[0];\n  var borderLeftWidth = +styles.borderLeftWidth.split('px')[0];\n\n  var offsets = getClientRect({\n    top: childrenRect.top - parentRect.top - borderTopWidth,\n    left: childrenRect.left - parentRect.left - borderLeftWidth,\n    width: childrenRect.width,\n    height: childrenRect.height\n  });\n  offsets.marginTop = 0;\n  offsets.marginLeft = 0;\n\n  // Subtract margins of documentElement in case it's being used as parent\n  // we do this only on HTML because it's the only element that behaves\n  // differently when margins are applied to it. The margins are included in\n  // the box of the documentElement, in the other cases not.\n  if (!isIE10 && isHTML) {\n    var marginTop = +styles.marginTop.split('px')[0];\n    var marginLeft = +styles.marginLeft.split('px')[0];\n\n    offsets.top -= borderTopWidth - marginTop;\n    offsets.bottom -= borderTopWidth - marginTop;\n    offsets.left -= borderLeftWidth - marginLeft;\n    offsets.right -= borderLeftWidth - marginLeft;\n\n    // Attach marginTop and marginLeft because in some circumstances we may need them\n    offsets.marginTop = marginTop;\n    offsets.marginLeft = marginLeft;\n  }\n\n  if (isIE10 ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {\n    offsets = includeScroll(offsets, parent);\n  }\n\n  return offsets;\n}\n\nfunction getViewportOffsetRectRelativeToArtbitraryNode(element) {\n  var html = element.ownerDocument.documentElement;\n  var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);\n  var width = Math.max(html.clientWidth, window.innerWidth || 0);\n  var height = Math.max(html.clientHeight, window.innerHeight || 0);\n\n  var scrollTop = getScroll(html);\n  var scrollLeft = getScroll(html, 'left');\n\n  var offset = {\n    top: scrollTop - relativeOffset.top + relativeOffset.marginTop,\n    left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,\n    width: width,\n    height: height\n  };\n\n  return getClientRect(offset);\n}\n\n/**\n * Check if the given element is fixed or is inside a fixed parent\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {Element} customContainer\n * @returns {Boolean} answer to \"isFixed?\"\n */\nfunction isFixed(element) {\n  var nodeName = element.nodeName;\n  if (nodeName === 'BODY' || nodeName === 'HTML') {\n    return false;\n  }\n  if (getStyleComputedProperty(element, 'position') === 'fixed') {\n    return true;\n  }\n  return isFixed(getParentNode(element));\n}\n\n/**\n * Computed the boundaries limits and return them\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} popper\n * @param {HTMLElement} reference\n * @param {number} padding\n * @param {HTMLElement} boundariesElement - Element used to define the boundaries\n * @returns {Object} Coordinates of the boundaries\n */\nfunction getBoundaries(popper, reference, padding, boundariesElement) {\n  // NOTE: 1 DOM access here\n  var boundaries = { top: 0, left: 0 };\n  var offsetParent = findCommonOffsetParent(popper, reference);\n\n  // Handle viewport case\n  if (boundariesElement === 'viewport') {\n    boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent);\n  } else {\n    // Handle other cases based on DOM element used as boundaries\n    var boundariesNode = void 0;\n    if (boundariesElement === 'scrollParent') {\n      boundariesNode = getScrollParent(getParentNode(popper));\n      if (boundariesNode.nodeName === 'BODY') {\n        boundariesNode = popper.ownerDocument.documentElement;\n      }\n    } else if (boundariesElement === 'window') {\n      boundariesNode = popper.ownerDocument.documentElement;\n    } else {\n      boundariesNode = boundariesElement;\n    }\n\n    var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent);\n\n    // In case of HTML, we need a different computation\n    if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {\n      var _getWindowSizes = getWindowSizes(),\n          height = _getWindowSizes.height,\n          width = _getWindowSizes.width;\n\n      boundaries.top += offsets.top - offsets.marginTop;\n      boundaries.bottom = height + offsets.top;\n      boundaries.left += offsets.left - offsets.marginLeft;\n      boundaries.right = width + offsets.left;\n    } else {\n      // for all the other DOM elements, this one is good\n      boundaries = offsets;\n    }\n  }\n\n  // Add paddings\n  boundaries.left += padding;\n  boundaries.top += padding;\n  boundaries.right -= padding;\n  boundaries.bottom -= padding;\n\n  return boundaries;\n}\n\nfunction getArea(_ref) {\n  var width = _ref.width,\n      height = _ref.height;\n\n  return width * height;\n}\n\n/**\n * Utility used to transform the `auto` placement to the placement with more\n * available space.\n * @method\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {\n  var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;\n\n  if (placement.indexOf('auto') === -1) {\n    return placement;\n  }\n\n  var boundaries = getBoundaries(popper, reference, padding, boundariesElement);\n\n  var rects = {\n    top: {\n      width: boundaries.width,\n      height: refRect.top - boundaries.top\n    },\n    right: {\n      width: boundaries.right - refRect.right,\n      height: boundaries.height\n    },\n    bottom: {\n      width: boundaries.width,\n      height: boundaries.bottom - refRect.bottom\n    },\n    left: {\n      width: refRect.left - boundaries.left,\n      height: boundaries.height\n    }\n  };\n\n  var sortedAreas = Object.keys(rects).map(function (key) {\n    return _extends({\n      key: key\n    }, rects[key], {\n      area: getArea(rects[key])\n    });\n  }).sort(function (a, b) {\n    return b.area - a.area;\n  });\n\n  var filteredAreas = sortedAreas.filter(function (_ref2) {\n    var width = _ref2.width,\n        height = _ref2.height;\n    return width >= popper.clientWidth && height >= popper.clientHeight;\n  });\n\n  var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;\n\n  var variation = placement.split('-')[1];\n\n  return computedPlacement + (variation ? '-' + variation : '');\n}\n\n/**\n * Get offsets to the reference element\n * @method\n * @memberof Popper.Utils\n * @param {Object} state\n * @param {Element} popper - the popper element\n * @param {Element} reference - the reference element (the popper will be relative to this)\n * @returns {Object} An object containing the offsets which will be applied to the popper\n */\nfunction getReferenceOffsets(state, popper, reference) {\n  var commonOffsetParent = findCommonOffsetParent(popper, reference);\n  return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent);\n}\n\n/**\n * Get the outer sizes of the given element (offset size + margins)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Object} object containing width and height properties\n */\nfunction getOuterSizes(element) {\n  var styles = window.getComputedStyle(element);\n  var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);\n  var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);\n  var result = {\n    width: element.offsetWidth + y,\n    height: element.offsetHeight + x\n  };\n  return result;\n}\n\n/**\n * Get the opposite placement of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement\n * @returns {String} flipped placement\n */\nfunction getOppositePlacement(placement) {\n  var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };\n  return placement.replace(/left|right|bottom|top/g, function (matched) {\n    return hash[matched];\n  });\n}\n\n/**\n * Get offsets to the popper\n * @method\n * @memberof Popper.Utils\n * @param {Object} position - CSS position the Popper will get applied\n * @param {HTMLElement} popper - the popper element\n * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)\n * @param {String} placement - one of the valid placement options\n * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper\n */\nfunction getPopperOffsets(popper, referenceOffsets, placement) {\n  placement = placement.split('-')[0];\n\n  // Get popper node sizes\n  var popperRect = getOuterSizes(popper);\n\n  // Add position, width and height to our offsets object\n  var popperOffsets = {\n    width: popperRect.width,\n    height: popperRect.height\n  };\n\n  // depending by the popper placement we have to compute its offsets slightly differently\n  var isHoriz = ['right', 'left'].indexOf(placement) !== -1;\n  var mainSide = isHoriz ? 'top' : 'left';\n  var secondarySide = isHoriz ? 'left' : 'top';\n  var measurement = isHoriz ? 'height' : 'width';\n  var secondaryMeasurement = !isHoriz ? 'height' : 'width';\n\n  popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;\n  if (placement === secondarySide) {\n    popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];\n  } else {\n    popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];\n  }\n\n  return popperOffsets;\n}\n\n/**\n * Mimics the `find` method of Array\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction find(arr, check) {\n  // use native find if supported\n  if (Array.prototype.find) {\n    return arr.find(check);\n  }\n\n  // use `filter` to obtain the same behavior of `find`\n  return arr.filter(check)[0];\n}\n\n/**\n * Return the index of the matching object\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction findIndex(arr, prop, value) {\n  // use native findIndex if supported\n  if (Array.prototype.findIndex) {\n    return arr.findIndex(function (cur) {\n      return cur[prop] === value;\n    });\n  }\n\n  // use `find` + `indexOf` if `findIndex` isn't supported\n  var match = find(arr, function (obj) {\n    return obj[prop] === value;\n  });\n  return arr.indexOf(match);\n}\n\n/**\n * Loop trough the list of modifiers and run them in order,\n * each of them will then edit the data object.\n * @method\n * @memberof Popper.Utils\n * @param {dataObject} data\n * @param {Array} modifiers\n * @param {String} ends - Optional modifier name used as stopper\n * @returns {dataObject}\n */\nfunction runModifiers(modifiers, data, ends) {\n  var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));\n\n  modifiersToRun.forEach(function (modifier) {\n    if (modifier['function']) {\n      // eslint-disable-line dot-notation\n      console.warn('`modifier.function` is deprecated, use `modifier.fn`!');\n    }\n    var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation\n    if (modifier.enabled && isFunction(fn)) {\n      // Add properties to offsets to make them a complete clientRect object\n      // we do this before each modifier to make sure the previous one doesn't\n      // mess with these values\n      data.offsets.popper = getClientRect(data.offsets.popper);\n      data.offsets.reference = getClientRect(data.offsets.reference);\n\n      data = fn(data, modifier);\n    }\n  });\n\n  return data;\n}\n\n/**\n * Updates the position of the popper, computing the new offsets and applying\n * the new style.<br />\n * Prefer `scheduleUpdate` over `update` because of performance reasons.\n * @method\n * @memberof Popper\n */\nfunction update() {\n  // if popper is destroyed, don't perform any further update\n  if (this.state.isDestroyed) {\n    return;\n  }\n\n  var data = {\n    instance: this,\n    styles: {},\n    arrowStyles: {},\n    attributes: {},\n    flipped: false,\n    offsets: {}\n  };\n\n  // compute reference element offsets\n  data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference);\n\n  // compute auto placement, store placement inside the data object,\n  // modifiers will be able to edit `placement` if needed\n  // and refer to originalPlacement to know the original value\n  data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);\n\n  // store the computed placement inside `originalPlacement`\n  data.originalPlacement = data.placement;\n\n  // compute the popper offsets\n  data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);\n  data.offsets.popper.position = 'absolute';\n\n  // run the modifiers\n  data = runModifiers(this.modifiers, data);\n\n  // the first `update` will call `onCreate` callback\n  // the other ones will call `onUpdate` callback\n  if (!this.state.isCreated) {\n    this.state.isCreated = true;\n    this.options.onCreate(data);\n  } else {\n    this.options.onUpdate(data);\n  }\n}\n\n/**\n * Helper used to know if the given modifier is enabled.\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean}\n */\nfunction isModifierEnabled(modifiers, modifierName) {\n  return modifiers.some(function (_ref) {\n    var name = _ref.name,\n        enabled = _ref.enabled;\n    return enabled && name === modifierName;\n  });\n}\n\n/**\n * Get the prefixed supported property name\n * @method\n * @memberof Popper.Utils\n * @argument {String} property (camelCase)\n * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)\n */\nfunction getSupportedPropertyName(property) {\n  var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];\n  var upperProp = property.charAt(0).toUpperCase() + property.slice(1);\n\n  for (var i = 0; i < prefixes.length - 1; i++) {\n    var prefix = prefixes[i];\n    var toCheck = prefix ? '' + prefix + upperProp : property;\n    if (typeof window.document.body.style[toCheck] !== 'undefined') {\n      return toCheck;\n    }\n  }\n  return null;\n}\n\n/**\n * Destroy the popper\n * @method\n * @memberof Popper\n */\nfunction destroy() {\n  this.state.isDestroyed = true;\n\n  // touch DOM only if `applyStyle` modifier is enabled\n  if (isModifierEnabled(this.modifiers, 'applyStyle')) {\n    this.popper.removeAttribute('x-placement');\n    this.popper.style.left = '';\n    this.popper.style.position = '';\n    this.popper.style.top = '';\n    this.popper.style[getSupportedPropertyName('transform')] = '';\n  }\n\n  this.disableEventListeners();\n\n  // remove the popper if user explicity asked for the deletion on destroy\n  // do not use `remove` because IE11 doesn't support it\n  if (this.options.removeOnDestroy) {\n    this.popper.parentNode.removeChild(this.popper);\n  }\n  return this;\n}\n\n/**\n * Get the window associated with the element\n * @argument {Element} element\n * @returns {Window}\n */\nfunction getWindow(element) {\n  var ownerDocument = element.ownerDocument;\n  return ownerDocument ? ownerDocument.defaultView : window;\n}\n\nfunction attachToScrollParents(scrollParent, event, callback, scrollParents) {\n  var isBody = scrollParent.nodeName === 'BODY';\n  var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;\n  target.addEventListener(event, callback, { passive: true });\n\n  if (!isBody) {\n    attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);\n  }\n  scrollParents.push(target);\n}\n\n/**\n * Setup needed event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction setupEventListeners(reference, options, state, updateBound) {\n  // Resize event listener on window\n  state.updateBound = updateBound;\n  getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });\n\n  // Scroll event listener on scroll parents\n  var scrollElement = getScrollParent(reference);\n  attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);\n  state.scrollElement = scrollElement;\n  state.eventsEnabled = true;\n\n  return state;\n}\n\n/**\n * It will add resize/scroll events and start recalculating\n * position of the popper element when they are triggered.\n * @method\n * @memberof Popper\n */\nfunction enableEventListeners() {\n  if (!this.state.eventsEnabled) {\n    this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);\n  }\n}\n\n/**\n * Remove event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction removeEventListeners(reference, state) {\n  // Remove resize event listener on window\n  getWindow(reference).removeEventListener('resize', state.updateBound);\n\n  // Remove scroll event listener on scroll parents\n  state.scrollParents.forEach(function (target) {\n    target.removeEventListener('scroll', state.updateBound);\n  });\n\n  // Reset state\n  state.updateBound = null;\n  state.scrollParents = [];\n  state.scrollElement = null;\n  state.eventsEnabled = false;\n  return state;\n}\n\n/**\n * It will remove resize/scroll events and won't recalculate popper position\n * when they are triggered. It also won't trigger onUpdate callback anymore,\n * unless you call `update` method manually.\n * @method\n * @memberof Popper\n */\nfunction disableEventListeners() {\n  if (this.state.eventsEnabled) {\n    window.cancelAnimationFrame(this.scheduleUpdate);\n    this.state = removeEventListeners(this.reference, this.state);\n  }\n}\n\n/**\n * Tells if a given input is a number\n * @method\n * @memberof Popper.Utils\n * @param {*} input to check\n * @return {Boolean}\n */\nfunction isNumeric(n) {\n  return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);\n}\n\n/**\n * Set the style to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the style to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setStyles(element, styles) {\n  Object.keys(styles).forEach(function (prop) {\n    var unit = '';\n    // add unit if the value is numeric and is one of the following\n    if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {\n      unit = 'px';\n    }\n    element.style[prop] = styles[prop] + unit;\n  });\n}\n\n/**\n * Set the attributes to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the attributes to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setAttributes(element, attributes) {\n  Object.keys(attributes).forEach(function (prop) {\n    var value = attributes[prop];\n    if (value !== false) {\n      element.setAttribute(prop, attributes[prop]);\n    } else {\n      element.removeAttribute(prop);\n    }\n  });\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} data.styles - List of style properties - values to apply to popper element\n * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The same data object\n */\nfunction applyStyle(data) {\n  // any property present in `data.styles` will be applied to the popper,\n  // in this way we can make the 3rd party modifiers add custom styles to it\n  // Be aware, modifiers could override the properties defined in the previous\n  // lines of this modifier!\n  setStyles(data.instance.popper, data.styles);\n\n  // any property present in `data.attributes` will be applied to the popper,\n  // they will be set as HTML attributes of the element\n  setAttributes(data.instance.popper, data.attributes);\n\n  // if arrowElement is defined and arrowStyles has some properties\n  if (data.arrowElement && Object.keys(data.arrowStyles).length) {\n    setStyles(data.arrowElement, data.arrowStyles);\n  }\n\n  return data;\n}\n\n/**\n * Set the x-placement attribute before everything else because it could be used\n * to add margins to the popper margins needs to be calculated to get the\n * correct popper offsets.\n * @method\n * @memberof Popper.modifiers\n * @param {HTMLElement} reference - The reference element used to position the popper\n * @param {HTMLElement} popper - The HTML element used as popper.\n * @param {Object} options - Popper.js options\n */\nfunction applyStyleOnLoad(reference, popper, options, modifierOptions, state) {\n  // compute reference element offsets\n  var referenceOffsets = getReferenceOffsets(state, popper, reference);\n\n  // compute auto placement, store placement inside the data object,\n  // modifiers will be able to edit `placement` if needed\n  // and refer to originalPlacement to know the original value\n  var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);\n\n  popper.setAttribute('x-placement', placement);\n\n  // Apply `position` to popper before anything else because\n  // without the position applied we can't guarantee correct computations\n  setStyles(popper, { position: 'absolute' });\n\n  return options;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeStyle(data, options) {\n  var x = options.x,\n      y = options.y;\n  var popper = data.offsets.popper;\n\n  // Remove this legacy support in Popper.js v2\n\n  var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {\n    return modifier.name === 'applyStyle';\n  }).gpuAcceleration;\n  if (legacyGpuAccelerationOption !== undefined) {\n    console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');\n  }\n  var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;\n\n  var offsetParent = getOffsetParent(data.instance.popper);\n  var offsetParentRect = getBoundingClientRect(offsetParent);\n\n  // Styles\n  var styles = {\n    position: popper.position\n  };\n\n  // floor sides to avoid blurry text\n  var offsets = {\n    left: Math.floor(popper.left),\n    top: Math.floor(popper.top),\n    bottom: Math.floor(popper.bottom),\n    right: Math.floor(popper.right)\n  };\n\n  var sideA = x === 'bottom' ? 'top' : 'bottom';\n  var sideB = y === 'right' ? 'left' : 'right';\n\n  // if gpuAcceleration is set to `true` and transform is supported,\n  //  we use `translate3d` to apply the position to the popper we\n  // automatically use the supported prefixed version if needed\n  var prefixedProperty = getSupportedPropertyName('transform');\n\n  // now, let's make a step back and look at this code closely (wtf?)\n  // If the content of the popper grows once it's been positioned, it\n  // may happen that the popper gets misplaced because of the new content\n  // overflowing its reference element\n  // To avoid this problem, we provide two options (x and y), which allow\n  // the consumer to define the offset origin.\n  // If we position a popper on top of a reference element, we can set\n  // `x` to `top` to make the popper grow towards its top instead of\n  // its bottom.\n  var left = void 0,\n      top = void 0;\n  if (sideA === 'bottom') {\n    top = -offsetParentRect.height + offsets.bottom;\n  } else {\n    top = offsets.top;\n  }\n  if (sideB === 'right') {\n    left = -offsetParentRect.width + offsets.right;\n  } else {\n    left = offsets.left;\n  }\n  if (gpuAcceleration && prefixedProperty) {\n    styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';\n    styles[sideA] = 0;\n    styles[sideB] = 0;\n    styles.willChange = 'transform';\n  } else {\n    // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties\n    var invertTop = sideA === 'bottom' ? -1 : 1;\n    var invertLeft = sideB === 'right' ? -1 : 1;\n    styles[sideA] = top * invertTop;\n    styles[sideB] = left * invertLeft;\n    styles.willChange = sideA + ', ' + sideB;\n  }\n\n  // Attributes\n  var attributes = {\n    'x-placement': data.placement\n  };\n\n  // Update `data` attributes, styles and arrowStyles\n  data.attributes = _extends({}, attributes, data.attributes);\n  data.styles = _extends({}, styles, data.styles);\n  data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);\n\n  return data;\n}\n\n/**\n * Helper used to know if the given modifier depends from another one.<br />\n * It checks if the needed modifier is listed and enabled.\n * @method\n * @memberof Popper.Utils\n * @param {Array} modifiers - list of modifiers\n * @param {String} requestingName - name of requesting modifier\n * @param {String} requestedName - name of requested modifier\n * @returns {Boolean}\n */\nfunction isModifierRequired(modifiers, requestingName, requestedName) {\n  var requesting = find(modifiers, function (_ref) {\n    var name = _ref.name;\n    return name === requestingName;\n  });\n\n  var isRequired = !!requesting && modifiers.some(function (modifier) {\n    return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;\n  });\n\n  if (!isRequired) {\n    var _requesting = '`' + requestingName + '`';\n    var requested = '`' + requestedName + '`';\n    console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');\n  }\n  return isRequired;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction arrow(data, options) {\n  // arrow depends on keepTogether in order to work\n  if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {\n    return data;\n  }\n\n  var arrowElement = options.element;\n\n  // if arrowElement is a string, suppose it's a CSS selector\n  if (typeof arrowElement === 'string') {\n    arrowElement = data.instance.popper.querySelector(arrowElement);\n\n    // if arrowElement is not found, don't run the modifier\n    if (!arrowElement) {\n      return data;\n    }\n  } else {\n    // if the arrowElement isn't a query selector we must check that the\n    // provided DOM node is child of its popper node\n    if (!data.instance.popper.contains(arrowElement)) {\n      console.warn('WARNING: `arrow.element` must be child of its popper element!');\n      return data;\n    }\n  }\n\n  var placement = data.placement.split('-')[0];\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var isVertical = ['left', 'right'].indexOf(placement) !== -1;\n\n  var len = isVertical ? 'height' : 'width';\n  var sideCapitalized = isVertical ? 'Top' : 'Left';\n  var side = sideCapitalized.toLowerCase();\n  var altSide = isVertical ? 'left' : 'top';\n  var opSide = isVertical ? 'bottom' : 'right';\n  var arrowElementSize = getOuterSizes(arrowElement)[len];\n\n  //\n  // extends keepTogether behavior making sure the popper and its\n  // reference have enough pixels in conjuction\n  //\n\n  // top/left side\n  if (reference[opSide] - arrowElementSize < popper[side]) {\n    data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);\n  }\n  // bottom/right side\n  if (reference[side] + arrowElementSize > popper[opSide]) {\n    data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];\n  }\n\n  // compute center of the popper\n  var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;\n\n  // Compute the sideValue using the updated popper offsets\n  // take popper margin in account because we don't have this info available\n  var popperMarginSide = getStyleComputedProperty(data.instance.popper, 'margin' + sideCapitalized).replace('px', '');\n  var sideValue = center - getClientRect(data.offsets.popper)[side] - popperMarginSide;\n\n  // prevent arrowElement from being placed not contiguously to its popper\n  sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);\n\n  data.arrowElement = arrowElement;\n  data.offsets.arrow = {};\n  data.offsets.arrow[side] = Math.round(sideValue);\n  data.offsets.arrow[altSide] = ''; // make sure to unset any eventual altSide value from the DOM node\n\n  return data;\n}\n\n/**\n * Get the opposite placement variation of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement variation\n * @returns {String} flipped placement variation\n */\nfunction getOppositeVariation(variation) {\n  if (variation === 'end') {\n    return 'start';\n  } else if (variation === 'start') {\n    return 'end';\n  }\n  return variation;\n}\n\n/**\n * List of accepted placements to use as values of the `placement` option.<br />\n * Valid placements are:\n * - `auto`\n * - `top`\n * - `right`\n * - `bottom`\n * - `left`\n *\n * Each placement can have a variation from this list:\n * - `-start`\n * - `-end`\n *\n * Variations are interpreted easily if you think of them as the left to right\n * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`\n * is right.<br />\n * Vertically (`left` and `right`), `start` is top and `end` is bottom.\n *\n * Some valid examples are:\n * - `top-end` (on top of reference, right aligned)\n * - `right-start` (on right of reference, top aligned)\n * - `bottom` (on bottom, centered)\n * - `auto-right` (on the side with more space available, alignment depends by placement)\n *\n * @static\n * @type {Array}\n * @enum {String}\n * @readonly\n * @method placements\n * @memberof Popper\n */\nvar placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];\n\n// Get rid of `auto` `auto-start` and `auto-end`\nvar validPlacements = placements.slice(3);\n\n/**\n * Given an initial placement, returns all the subsequent placements\n * clockwise (or counter-clockwise).\n *\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement - A valid placement (it accepts variations)\n * @argument {Boolean} counter - Set to true to walk the placements counterclockwise\n * @returns {Array} placements including their variations\n */\nfunction clockwise(placement) {\n  var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n  var index = validPlacements.indexOf(placement);\n  var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));\n  return counter ? arr.reverse() : arr;\n}\n\nvar BEHAVIORS = {\n  FLIP: 'flip',\n  CLOCKWISE: 'clockwise',\n  COUNTERCLOCKWISE: 'counterclockwise'\n};\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction flip(data, options) {\n  // if `inner` modifier is enabled, we can't use the `flip` modifier\n  if (isModifierEnabled(data.instance.modifiers, 'inner')) {\n    return data;\n  }\n\n  if (data.flipped && data.placement === data.originalPlacement) {\n    // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides\n    return data;\n  }\n\n  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement);\n\n  var placement = data.placement.split('-')[0];\n  var placementOpposite = getOppositePlacement(placement);\n  var variation = data.placement.split('-')[1] || '';\n\n  var flipOrder = [];\n\n  switch (options.behavior) {\n    case BEHAVIORS.FLIP:\n      flipOrder = [placement, placementOpposite];\n      break;\n    case BEHAVIORS.CLOCKWISE:\n      flipOrder = clockwise(placement);\n      break;\n    case BEHAVIORS.COUNTERCLOCKWISE:\n      flipOrder = clockwise(placement, true);\n      break;\n    default:\n      flipOrder = options.behavior;\n  }\n\n  flipOrder.forEach(function (step, index) {\n    if (placement !== step || flipOrder.length === index + 1) {\n      return data;\n    }\n\n    placement = data.placement.split('-')[0];\n    placementOpposite = getOppositePlacement(placement);\n\n    var popperOffsets = data.offsets.popper;\n    var refOffsets = data.offsets.reference;\n\n    // using floor because the reference offsets may contain decimals we are not going to consider here\n    var floor = Math.floor;\n    var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);\n\n    var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);\n    var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);\n    var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);\n    var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);\n\n    var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;\n\n    // flip the variation if required\n    var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n    var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);\n\n    if (overlapsRef || overflowsBoundaries || flippedVariation) {\n      // this boolean to detect any flip loop\n      data.flipped = true;\n\n      if (overlapsRef || overflowsBoundaries) {\n        placement = flipOrder[index + 1];\n      }\n\n      if (flippedVariation) {\n        variation = getOppositeVariation(variation);\n      }\n\n      data.placement = placement + (variation ? '-' + variation : '');\n\n      // this object contains `position`, we want to preserve it along with\n      // any additional property we may add in the future\n      data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));\n\n      data = runModifiers(data.instance.modifiers, data, 'flip');\n    }\n  });\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction keepTogether(data) {\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var placement = data.placement.split('-')[0];\n  var floor = Math.floor;\n  var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n  var side = isVertical ? 'right' : 'bottom';\n  var opSide = isVertical ? 'left' : 'top';\n  var measurement = isVertical ? 'width' : 'height';\n\n  if (popper[side] < floor(reference[opSide])) {\n    data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];\n  }\n  if (popper[opSide] > floor(reference[side])) {\n    data.offsets.popper[opSide] = floor(reference[side]);\n  }\n\n  return data;\n}\n\n/**\n * Converts a string containing value + unit into a px value number\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} str - Value + unit string\n * @argument {String} measurement - `height` or `width`\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @returns {Number|String}\n * Value in pixels, or original string if no values were extracted\n */\nfunction toValue(str, measurement, popperOffsets, referenceOffsets) {\n  // separate value from unit\n  var split = str.match(/((?:\\-|\\+)?\\d*\\.?\\d*)(.*)/);\n  var value = +split[1];\n  var unit = split[2];\n\n  // If it's not a number it's an operator, I guess\n  if (!value) {\n    return str;\n  }\n\n  if (unit.indexOf('%') === 0) {\n    var element = void 0;\n    switch (unit) {\n      case '%p':\n        element = popperOffsets;\n        break;\n      case '%':\n      case '%r':\n      default:\n        element = referenceOffsets;\n    }\n\n    var rect = getClientRect(element);\n    return rect[measurement] / 100 * value;\n  } else if (unit === 'vh' || unit === 'vw') {\n    // if is a vh or vw, we calculate the size based on the viewport\n    var size = void 0;\n    if (unit === 'vh') {\n      size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);\n    } else {\n      size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);\n    }\n    return size / 100 * value;\n  } else {\n    // if is an explicit pixel unit, we get rid of the unit and keep the value\n    // if is an implicit unit, it's px, and we return just the value\n    return value;\n  }\n}\n\n/**\n * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} offset\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @argument {String} basePlacement\n * @returns {Array} a two cells array with x and y offsets in numbers\n */\nfunction parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {\n  var offsets = [0, 0];\n\n  // Use height if placement is left or right and index is 0 otherwise use width\n  // in this way the first offset will use an axis and the second one\n  // will use the other one\n  var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;\n\n  // Split the offset string to obtain a list of values and operands\n  // The regex addresses values with the plus or minus sign in front (+10, -20, etc)\n  var fragments = offset.split(/(\\+|\\-)/).map(function (frag) {\n    return frag.trim();\n  });\n\n  // Detect if the offset string contains a pair of values or a single one\n  // they could be separated by comma or space\n  var divider = fragments.indexOf(find(fragments, function (frag) {\n    return frag.search(/,|\\s/) !== -1;\n  }));\n\n  if (fragments[divider] && fragments[divider].indexOf(',') === -1) {\n    console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');\n  }\n\n  // If divider is found, we divide the list of values and operands to divide\n  // them by ofset X and Y.\n  var splitRegex = /\\s*,\\s*|\\s+/;\n  var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];\n\n  // Convert the values with units to absolute pixels to allow our computations\n  ops = ops.map(function (op, index) {\n    // Most of the units rely on the orientation of the popper\n    var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';\n    var mergeWithPrevious = false;\n    return op\n    // This aggregates any `+` or `-` sign that aren't considered operators\n    // e.g.: 10 + +5 => [10, +, +5]\n    .reduce(function (a, b) {\n      if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {\n        a[a.length - 1] = b;\n        mergeWithPrevious = true;\n        return a;\n      } else if (mergeWithPrevious) {\n        a[a.length - 1] += b;\n        mergeWithPrevious = false;\n        return a;\n      } else {\n        return a.concat(b);\n      }\n    }, [])\n    // Here we convert the string values into number values (in px)\n    .map(function (str) {\n      return toValue(str, measurement, popperOffsets, referenceOffsets);\n    });\n  });\n\n  // Loop trough the offsets arrays and execute the operations\n  ops.forEach(function (op, index) {\n    op.forEach(function (frag, index2) {\n      if (isNumeric(frag)) {\n        offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);\n      }\n    });\n  });\n  return offsets;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @argument {Number|String} options.offset=0\n * The offset value as described in the modifier description\n * @returns {Object} The data object, properly modified\n */\nfunction offset(data, _ref) {\n  var offset = _ref.offset;\n  var placement = data.placement,\n      _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var basePlacement = placement.split('-')[0];\n\n  var offsets = void 0;\n  if (isNumeric(+offset)) {\n    offsets = [+offset, 0];\n  } else {\n    offsets = parseOffset(offset, popper, reference, basePlacement);\n  }\n\n  if (basePlacement === 'left') {\n    popper.top += offsets[0];\n    popper.left -= offsets[1];\n  } else if (basePlacement === 'right') {\n    popper.top += offsets[0];\n    popper.left += offsets[1];\n  } else if (basePlacement === 'top') {\n    popper.left += offsets[0];\n    popper.top -= offsets[1];\n  } else if (basePlacement === 'bottom') {\n    popper.left += offsets[0];\n    popper.top += offsets[1];\n  }\n\n  data.popper = popper;\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction preventOverflow(data, options) {\n  var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);\n\n  // If offsetParent is the reference element, we really want to\n  // go one step up and use the next offsetParent as reference to\n  // avoid to make this modifier completely useless and look like broken\n  if (data.instance.reference === boundariesElement) {\n    boundariesElement = getOffsetParent(boundariesElement);\n  }\n\n  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement);\n  options.boundaries = boundaries;\n\n  var order = options.priority;\n  var popper = data.offsets.popper;\n\n  var check = {\n    primary: function primary(placement) {\n      var value = popper[placement];\n      if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {\n        value = Math.max(popper[placement], boundaries[placement]);\n      }\n      return defineProperty({}, placement, value);\n    },\n    secondary: function secondary(placement) {\n      var mainSide = placement === 'right' ? 'left' : 'top';\n      var value = popper[mainSide];\n      if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {\n        value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));\n      }\n      return defineProperty({}, mainSide, value);\n    }\n  };\n\n  order.forEach(function (placement) {\n    var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';\n    popper = _extends({}, popper, check[side](placement));\n  });\n\n  data.offsets.popper = popper;\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction shift(data) {\n  var placement = data.placement;\n  var basePlacement = placement.split('-')[0];\n  var shiftvariation = placement.split('-')[1];\n\n  // if shift shiftvariation is specified, run the modifier\n  if (shiftvariation) {\n    var _data$offsets = data.offsets,\n        reference = _data$offsets.reference,\n        popper = _data$offsets.popper;\n\n    var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;\n    var side = isVertical ? 'left' : 'top';\n    var measurement = isVertical ? 'width' : 'height';\n\n    var shiftOffsets = {\n      start: defineProperty({}, side, reference[side]),\n      end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])\n    };\n\n    data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);\n  }\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction hide(data) {\n  if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {\n    return data;\n  }\n\n  var refRect = data.offsets.reference;\n  var bound = find(data.instance.modifiers, function (modifier) {\n    return modifier.name === 'preventOverflow';\n  }).boundaries;\n\n  if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {\n    // Avoid unnecessary DOM access if visibility hasn't changed\n    if (data.hide === true) {\n      return data;\n    }\n\n    data.hide = true;\n    data.attributes['x-out-of-boundaries'] = '';\n  } else {\n    // Avoid unnecessary DOM access if visibility hasn't changed\n    if (data.hide === false) {\n      return data;\n    }\n\n    data.hide = false;\n    data.attributes['x-out-of-boundaries'] = false;\n  }\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction inner(data) {\n  var placement = data.placement;\n  var basePlacement = placement.split('-')[0];\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;\n\n  var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;\n\n  popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);\n\n  data.placement = getOppositePlacement(placement);\n  data.offsets.popper = getClientRect(popper);\n\n  return data;\n}\n\n/**\n * Modifier function, each modifier can have a function of this type assigned\n * to its `fn` property.<br />\n * These functions will be called on each update, this means that you must\n * make sure they are performant enough to avoid performance bottlenecks.\n *\n * @function ModifierFn\n * @argument {dataObject} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {dataObject} The data object, properly modified\n */\n\n/**\n * Modifiers are plugins used to alter the behavior of your poppers.<br />\n * Popper.js uses a set of 9 modifiers to provide all the basic functionalities\n * needed by the library.\n *\n * Usually you don't want to override the `order`, `fn` and `onLoad` props.\n * All the other properties are configurations that could be tweaked.\n * @namespace modifiers\n */\nvar modifiers = {\n  /**\n   * Modifier used to shift the popper on the start or end of its reference\n   * element.<br />\n   * It will read the variation of the `placement` property.<br />\n   * It can be one either `-end` or `-start`.\n   * @memberof modifiers\n   * @inner\n   */\n  shift: {\n    /** @prop {number} order=100 - Index used to define the order of execution */\n    order: 100,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: shift\n  },\n\n  /**\n   * The `offset` modifier can shift your popper on both its axis.\n   *\n   * It accepts the following units:\n   * - `px` or unitless, interpreted as pixels\n   * - `%` or `%r`, percentage relative to the length of the reference element\n   * - `%p`, percentage relative to the length of the popper element\n   * - `vw`, CSS viewport width unit\n   * - `vh`, CSS viewport height unit\n   *\n   * For length is intended the main axis relative to the placement of the popper.<br />\n   * This means that if the placement is `top` or `bottom`, the length will be the\n   * `width`. In case of `left` or `right`, it will be the height.\n   *\n   * You can provide a single value (as `Number` or `String`), or a pair of values\n   * as `String` divided by a comma or one (or more) white spaces.<br />\n   * The latter is a deprecated method because it leads to confusion and will be\n   * removed in v2.<br />\n   * Additionally, it accepts additions and subtractions between different units.\n   * Note that multiplications and divisions aren't supported.\n   *\n   * Valid examples are:\n   * ```\n   * 10\n   * '10%'\n   * '10, 10'\n   * '10%, 10'\n   * '10 + 10%'\n   * '10 - 5vh + 3%'\n   * '-10px + 5vh, 5px - 6%'\n   * ```\n   * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap\n   * > with their reference element, unfortunately, you will have to disable the `flip` modifier.\n   * > More on this [reading this issue](https://github.com/FezVrasta/popper.js/issues/373)\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  offset: {\n    /** @prop {number} order=200 - Index used to define the order of execution */\n    order: 200,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: offset,\n    /** @prop {Number|String} offset=0\n     * The offset value as described in the modifier description\n     */\n    offset: 0\n  },\n\n  /**\n   * Modifier used to prevent the popper from being positioned outside the boundary.\n   *\n   * An scenario exists where the reference itself is not within the boundaries.<br />\n   * We can say it has \"escaped the boundaries\" — or just \"escaped\".<br />\n   * In this case we need to decide whether the popper should either:\n   *\n   * - detach from the reference and remain \"trapped\" in the boundaries, or\n   * - if it should ignore the boundary and \"escape with its reference\"\n   *\n   * When `escapeWithReference` is set to`true` and reference is completely\n   * outside its boundaries, the popper will overflow (or completely leave)\n   * the boundaries in order to remain attached to the edge of the reference.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  preventOverflow: {\n    /** @prop {number} order=300 - Index used to define the order of execution */\n    order: 300,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: preventOverflow,\n    /**\n     * @prop {Array} [priority=['left','right','top','bottom']]\n     * Popper will try to prevent overflow following these priorities by default,\n     * then, it could overflow on the left and on top of the `boundariesElement`\n     */\n    priority: ['left', 'right', 'top', 'bottom'],\n    /**\n     * @prop {number} padding=5\n     * Amount of pixel used to define a minimum distance between the boundaries\n     * and the popper this makes sure the popper has always a little padding\n     * between the edges of its container\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='scrollParent'\n     * Boundaries used by the modifier, can be `scrollParent`, `window`,\n     * `viewport` or any DOM element.\n     */\n    boundariesElement: 'scrollParent'\n  },\n\n  /**\n   * Modifier used to make sure the reference and its popper stay near eachothers\n   * without leaving any gap between the two. Expecially useful when the arrow is\n   * enabled and you want to assure it to point to its reference element.\n   * It cares only about the first axis, you can still have poppers with margin\n   * between the popper and its reference element.\n   * @memberof modifiers\n   * @inner\n   */\n  keepTogether: {\n    /** @prop {number} order=400 - Index used to define the order of execution */\n    order: 400,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: keepTogether\n  },\n\n  /**\n   * This modifier is used to move the `arrowElement` of the popper to make\n   * sure it is positioned between the reference element and its popper element.\n   * It will read the outer size of the `arrowElement` node to detect how many\n   * pixels of conjuction are needed.\n   *\n   * It has no effect if no `arrowElement` is provided.\n   * @memberof modifiers\n   * @inner\n   */\n  arrow: {\n    /** @prop {number} order=500 - Index used to define the order of execution */\n    order: 500,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: arrow,\n    /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */\n    element: '[x-arrow]'\n  },\n\n  /**\n   * Modifier used to flip the popper's placement when it starts to overlap its\n   * reference element.\n   *\n   * Requires the `preventOverflow` modifier before it in order to work.\n   *\n   * **NOTE:** this modifier will interrupt the current update cycle and will\n   * restart it if it detects the need to flip the placement.\n   * @memberof modifiers\n   * @inner\n   */\n  flip: {\n    /** @prop {number} order=600 - Index used to define the order of execution */\n    order: 600,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: flip,\n    /**\n     * @prop {String|Array} behavior='flip'\n     * The behavior used to change the popper's placement. It can be one of\n     * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid\n     * placements (with optional variations).\n     */\n    behavior: 'flip',\n    /**\n     * @prop {number} padding=5\n     * The popper will flip if it hits the edges of the `boundariesElement`\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='viewport'\n     * The element which will define the boundaries of the popper position,\n     * the popper will never be placed outside of the defined boundaries\n     * (except if keepTogether is enabled)\n     */\n    boundariesElement: 'viewport'\n  },\n\n  /**\n   * Modifier used to make the popper flow toward the inner of the reference element.\n   * By default, when this modifier is disabled, the popper will be placed outside\n   * the reference element.\n   * @memberof modifiers\n   * @inner\n   */\n  inner: {\n    /** @prop {number} order=700 - Index used to define the order of execution */\n    order: 700,\n    /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */\n    enabled: false,\n    /** @prop {ModifierFn} */\n    fn: inner\n  },\n\n  /**\n   * Modifier used to hide the popper when its reference element is outside of the\n   * popper boundaries. It will set a `x-out-of-boundaries` attribute which can\n   * be used to hide with a CSS selector the popper when its reference is\n   * out of boundaries.\n   *\n   * Requires the `preventOverflow` modifier before it in order to work.\n   * @memberof modifiers\n   * @inner\n   */\n  hide: {\n    /** @prop {number} order=800 - Index used to define the order of execution */\n    order: 800,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: hide\n  },\n\n  /**\n   * Computes the style that will be applied to the popper element to gets\n   * properly positioned.\n   *\n   * Note that this modifier will not touch the DOM, it just prepares the styles\n   * so that `applyStyle` modifier can apply it. This separation is useful\n   * in case you need to replace `applyStyle` with a custom implementation.\n   *\n   * This modifier has `850` as `order` value to maintain backward compatibility\n   * with previous versions of Popper.js. Expect the modifiers ordering method\n   * to change in future major versions of the library.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  computeStyle: {\n    /** @prop {number} order=850 - Index used to define the order of execution */\n    order: 850,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: computeStyle,\n    /**\n     * @prop {Boolean} gpuAcceleration=true\n     * If true, it uses the CSS 3d transformation to position the popper.\n     * Otherwise, it will use the `top` and `left` properties.\n     */\n    gpuAcceleration: true,\n    /**\n     * @prop {string} [x='bottom']\n     * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.\n     * Change this if your popper should grow in a direction different from `bottom`\n     */\n    x: 'bottom',\n    /**\n     * @prop {string} [x='left']\n     * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.\n     * Change this if your popper should grow in a direction different from `right`\n     */\n    y: 'right'\n  },\n\n  /**\n   * Applies the computed styles to the popper element.\n   *\n   * All the DOM manipulations are limited to this modifier. This is useful in case\n   * you want to integrate Popper.js inside a framework or view library and you\n   * want to delegate all the DOM manipulations to it.\n   *\n   * Note that if you disable this modifier, you must make sure the popper element\n   * has its position set to `absolute` before Popper.js can do its work!\n   *\n   * Just disable this modifier and define you own to achieve the desired effect.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  applyStyle: {\n    /** @prop {number} order=900 - Index used to define the order of execution */\n    order: 900,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: applyStyle,\n    /** @prop {Function} */\n    onLoad: applyStyleOnLoad,\n    /**\n     * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier\n     * @prop {Boolean} gpuAcceleration=true\n     * If true, it uses the CSS 3d transformation to position the popper.\n     * Otherwise, it will use the `top` and `left` properties.\n     */\n    gpuAcceleration: undefined\n  }\n};\n\n/**\n * The `dataObject` is an object containing all the informations used by Popper.js\n * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks.\n * @name dataObject\n * @property {Object} data.instance The Popper.js instance\n * @property {String} data.placement Placement applied to popper\n * @property {String} data.originalPlacement Placement originally defined on init\n * @property {Boolean} data.flipped True if popper has been flipped by flip modifier\n * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper.\n * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier\n * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.boundaries Offsets of the popper boundaries\n * @property {Object} data.offsets The measurements of popper, reference and arrow elements.\n * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0\n */\n\n/**\n * Default options provided to Popper.js constructor.<br />\n * These can be overriden using the `options` argument of Popper.js.<br />\n * To override an option, simply pass as 3rd argument an object with the same\n * structure of this object, example:\n * ```\n * new Popper(ref, pop, {\n *   modifiers: {\n *     preventOverflow: { enabled: false }\n *   }\n * })\n * ```\n * @type {Object}\n * @static\n * @memberof Popper\n */\nvar Defaults = {\n  /**\n   * Popper's placement\n   * @prop {Popper.placements} placement='bottom'\n   */\n  placement: 'bottom',\n\n  /**\n   * Whether events (resize, scroll) are initially enabled\n   * @prop {Boolean} eventsEnabled=true\n   */\n  eventsEnabled: true,\n\n  /**\n   * Set to true if you want to automatically remove the popper when\n   * you call the `destroy` method.\n   * @prop {Boolean} removeOnDestroy=false\n   */\n  removeOnDestroy: false,\n\n  /**\n   * Callback called when the popper is created.<br />\n   * By default, is set to no-op.<br />\n   * Access Popper.js instance with `data.instance`.\n   * @prop {onCreate}\n   */\n  onCreate: function onCreate() {},\n\n  /**\n   * Callback called when the popper is updated, this callback is not called\n   * on the initialization/creation of the popper, but only on subsequent\n   * updates.<br />\n   * By default, is set to no-op.<br />\n   * Access Popper.js instance with `data.instance`.\n   * @prop {onUpdate}\n   */\n  onUpdate: function onUpdate() {},\n\n  /**\n   * List of modifiers used to modify the offsets before they are applied to the popper.\n   * They provide most of the functionalities of Popper.js\n   * @prop {modifiers}\n   */\n  modifiers: modifiers\n};\n\n/**\n * @callback onCreate\n * @param {dataObject} data\n */\n\n/**\n * @callback onUpdate\n * @param {dataObject} data\n */\n\n// Utils\n// Methods\nvar Popper = function () {\n  /**\n   * Create a new Popper.js instance\n   * @class Popper\n   * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper\n   * @param {HTMLElement} popper - The HTML element used as popper.\n   * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)\n   * @return {Object} instance - The generated Popper.js instance\n   */\n  function Popper(reference, popper) {\n    var _this = this;\n\n    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n    classCallCheck(this, Popper);\n\n    this.scheduleUpdate = function () {\n      return requestAnimationFrame(_this.update);\n    };\n\n    // make update() debounced, so that it only runs at most once-per-tick\n    this.update = debounce(this.update.bind(this));\n\n    // with {} we create a new object with the options inside it\n    this.options = _extends({}, Popper.Defaults, options);\n\n    // init state\n    this.state = {\n      isDestroyed: false,\n      isCreated: false,\n      scrollParents: []\n    };\n\n    // get reference and popper elements (allow jQuery wrappers)\n    this.reference = reference && reference.jquery ? reference[0] : reference;\n    this.popper = popper && popper.jquery ? popper[0] : popper;\n\n    // Deep merge modifiers options\n    this.options.modifiers = {};\n    Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {\n      _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});\n    });\n\n    // Refactoring modifiers' list (Object => Array)\n    this.modifiers = Object.keys(this.options.modifiers).map(function (name) {\n      return _extends({\n        name: name\n      }, _this.options.modifiers[name]);\n    })\n    // sort the modifiers by order\n    .sort(function (a, b) {\n      return a.order - b.order;\n    });\n\n    // modifiers have the ability to execute arbitrary code when Popper.js get inited\n    // such code is executed in the same order of its modifier\n    // they could add new properties to their options configuration\n    // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!\n    this.modifiers.forEach(function (modifierOptions) {\n      if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {\n        modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);\n      }\n    });\n\n    // fire the first update to position the popper in the right place\n    this.update();\n\n    var eventsEnabled = this.options.eventsEnabled;\n    if (eventsEnabled) {\n      // setup event listeners, they will take care of update the position in specific situations\n      this.enableEventListeners();\n    }\n\n    this.state.eventsEnabled = eventsEnabled;\n  }\n\n  // We can't use class properties because they don't get listed in the\n  // class prototype and break stuff like Sinon stubs\n\n\n  createClass(Popper, [{\n    key: 'update',\n    value: function update$$1() {\n      return update.call(this);\n    }\n  }, {\n    key: 'destroy',\n    value: function destroy$$1() {\n      return destroy.call(this);\n    }\n  }, {\n    key: 'enableEventListeners',\n    value: function enableEventListeners$$1() {\n      return enableEventListeners.call(this);\n    }\n  }, {\n    key: 'disableEventListeners',\n    value: function disableEventListeners$$1() {\n      return disableEventListeners.call(this);\n    }\n\n    /**\n     * Schedule an update, it will run on the next UI update available\n     * @method scheduleUpdate\n     * @memberof Popper\n     */\n\n\n    /**\n     * Collection of utilities useful when writing custom modifiers.\n     * Starting from version 1.7, this method is available only if you\n     * include `popper-utils.js` before `popper.js`.\n     *\n     * **DEPRECATION**: This way to access PopperUtils is deprecated\n     * and will be removed in v2! Use the PopperUtils module directly instead.\n     * Due to the high instability of the methods contained in Utils, we can't\n     * guarantee them to follow semver. Use them at your own risk!\n     * @static\n     * @private\n     * @type {Object}\n     * @deprecated since version 1.8\n     * @member Utils\n     * @memberof Popper\n     */\n\n  }]);\n  return Popper;\n}();\n\n/**\n * The `referenceObject` is an object that provides an interface compatible with Popper.js\n * and lets you use it as replacement of a real DOM node.<br />\n * You can use this method to position a popper relatively to a set of coordinates\n * in case you don't have a DOM node to use as reference.\n *\n * ```\n * new Popper(referenceObject, popperNode);\n * ```\n *\n * NB: This feature isn't supported in Internet Explorer 10\n * @name referenceObject\n * @property {Function} data.getBoundingClientRect\n * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.\n * @property {number} data.clientWidth\n * An ES6 getter that will return the width of the virtual reference element.\n * @property {number} data.clientHeight\n * An ES6 getter that will return the height of the virtual reference element.\n */\n\n\nPopper.Utils = (typeof window !== 'undefined' ? window : global).PopperUtils;\nPopper.placements = placements;\nPopper.Defaults = Defaults;\n\nreturn Popper;\n\n})));\n//# sourceMappingURL=popper.js.map\n"],"file":"popper.min.js"}
\ No newline at end of file
+{"version":3,"file":"popper.min.js","sources":["../src/popper.js"],"sourcesContent":["/**!\n * @fileOverview Kickass library to create and place poppers near their reference elements.\n * @version 1.12.6\n * @license\n * Copyright (c) 2016 Federico Zivolo and contributors\n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to deal\n * in the Software without restriction, including without limitation the rights\n * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell\n * copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in all\n * copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n * SOFTWARE.\n */\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :\n  typeof define === 'function' && define.amd ? define(factory) :\n  (global.Popper = factory());\n}(this, (function () { 'use strict';\n\nvar isBrowser = typeof window !== 'undefined' && typeof window.document !== 'undefined';\nvar longerTimeoutBrowsers = ['Edge', 'Trident', 'Firefox'];\nvar timeoutDuration = 0;\nfor (var i = 0; i < longerTimeoutBrowsers.length; i += 1) {\n  if (isBrowser && navigator.userAgent.indexOf(longerTimeoutBrowsers[i]) >= 0) {\n    timeoutDuration = 1;\n    break;\n  }\n}\n\nfunction microtaskDebounce(fn) {\n  var called = false;\n  return function () {\n    if (called) {\n      return;\n    }\n    called = true;\n    Promise.resolve().then(function () {\n      called = false;\n      fn();\n    });\n  };\n}\n\nfunction taskDebounce(fn) {\n  var scheduled = false;\n  return function () {\n    if (!scheduled) {\n      scheduled = true;\n      setTimeout(function () {\n        scheduled = false;\n        fn();\n      }, timeoutDuration);\n    }\n  };\n}\n\nvar supportsMicroTasks = isBrowser && window.Promise;\n\n/**\n* Create a debounced version of a method, that's asynchronously deferred\n* but called in the minimum time possible.\n*\n* @method\n* @memberof Popper.Utils\n* @argument {Function} fn\n* @returns {Function}\n*/\nvar debounce = supportsMicroTasks ? microtaskDebounce : taskDebounce;\n\n/**\n * Check if the given variable is a function\n * @method\n * @memberof Popper.Utils\n * @argument {Any} functionToCheck - variable to check\n * @returns {Boolean} answer to: is a function?\n */\nfunction isFunction(functionToCheck) {\n  var getType = {};\n  return functionToCheck && getType.toString.call(functionToCheck) === '[object Function]';\n}\n\n/**\n * Get CSS computed property of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Eement} element\n * @argument {String} property\n */\nfunction getStyleComputedProperty(element, property) {\n  if (element.nodeType !== 1) {\n    return [];\n  }\n  // NOTE: 1 DOM access here\n  var css = window.getComputedStyle(element, null);\n  return property ? css[property] : css;\n}\n\n/**\n * Returns the parentNode or the host of the element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} parent\n */\nfunction getParentNode(element) {\n  if (element.nodeName === 'HTML') {\n    return element;\n  }\n  return element.parentNode || element.host;\n}\n\n/**\n * Returns the scrolling parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} scroll parent\n */\nfunction getScrollParent(element) {\n  // Return body, `getScroll` will take care to get the correct `scrollTop` from it\n  if (!element) {\n    return window.document.body;\n  }\n\n  switch (element.nodeName) {\n    case 'HTML':\n    case 'BODY':\n      return element.ownerDocument.body;\n    case '#document':\n      return element.body;\n  }\n\n  // Firefox want us to check `-x` and `-y` variations as well\n\n  var _getStyleComputedProp = getStyleComputedProperty(element),\n      overflow = _getStyleComputedProp.overflow,\n      overflowX = _getStyleComputedProp.overflowX,\n      overflowY = _getStyleComputedProp.overflowY;\n\n  if (/(auto|scroll)/.test(overflow + overflowY + overflowX)) {\n    return element;\n  }\n\n  return getScrollParent(getParentNode(element));\n}\n\n/**\n * Returns the offset parent of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Element} offset parent\n */\nfunction getOffsetParent(element) {\n  // NOTE: 1 DOM access here\n  var offsetParent = element && element.offsetParent;\n  var nodeName = offsetParent && offsetParent.nodeName;\n\n  if (!nodeName || nodeName === 'BODY' || nodeName === 'HTML') {\n    if (element) {\n      return element.ownerDocument.documentElement;\n    }\n\n    return window.document.documentElement;\n  }\n\n  // .offsetParent will return the closest TD or TABLE in case\n  // no offsetParent is present, I hate this job...\n  if (['TD', 'TABLE'].indexOf(offsetParent.nodeName) !== -1 && getStyleComputedProperty(offsetParent, 'position') === 'static') {\n    return getOffsetParent(offsetParent);\n  }\n\n  return offsetParent;\n}\n\nfunction isOffsetContainer(element) {\n  var nodeName = element.nodeName;\n\n  if (nodeName === 'BODY') {\n    return false;\n  }\n  return nodeName === 'HTML' || getOffsetParent(element.firstElementChild) === element;\n}\n\n/**\n * Finds the root node (document, shadowDOM root) of the given element\n * @method\n * @memberof Popper.Utils\n * @argument {Element} node\n * @returns {Element} root node\n */\nfunction getRoot(node) {\n  if (node.parentNode !== null) {\n    return getRoot(node.parentNode);\n  }\n\n  return node;\n}\n\n/**\n * Finds the offset parent common to the two provided nodes\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element1\n * @argument {Element} element2\n * @returns {Element} common offset parent\n */\nfunction findCommonOffsetParent(element1, element2) {\n  // This check is needed to avoid errors in case one of the elements isn't defined for any reason\n  if (!element1 || !element1.nodeType || !element2 || !element2.nodeType) {\n    return window.document.documentElement;\n  }\n\n  // Here we make sure to give as \"start\" the element that comes first in the DOM\n  var order = element1.compareDocumentPosition(element2) & Node.DOCUMENT_POSITION_FOLLOWING;\n  var start = order ? element1 : element2;\n  var end = order ? element2 : element1;\n\n  // Get common ancestor container\n  var range = document.createRange();\n  range.setStart(start, 0);\n  range.setEnd(end, 0);\n  var commonAncestorContainer = range.commonAncestorContainer;\n\n  // Both nodes are inside #document\n\n  if (element1 !== commonAncestorContainer && element2 !== commonAncestorContainer || start.contains(end)) {\n    if (isOffsetContainer(commonAncestorContainer)) {\n      return commonAncestorContainer;\n    }\n\n    return getOffsetParent(commonAncestorContainer);\n  }\n\n  // one of the nodes is inside shadowDOM, find which one\n  var element1root = getRoot(element1);\n  if (element1root.host) {\n    return findCommonOffsetParent(element1root.host, element2);\n  } else {\n    return findCommonOffsetParent(element1, getRoot(element2).host);\n  }\n}\n\n/**\n * Gets the scroll value of the given element in the given side (top and left)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {String} side `top` or `left`\n * @returns {number} amount of scrolled pixels\n */\nfunction getScroll(element) {\n  var side = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'top';\n\n  var upperSide = side === 'top' ? 'scrollTop' : 'scrollLeft';\n  var nodeName = element.nodeName;\n\n  if (nodeName === 'BODY' || nodeName === 'HTML') {\n    var html = element.ownerDocument.documentElement;\n    var scrollingElement = element.ownerDocument.scrollingElement || html;\n    return scrollingElement[upperSide];\n  }\n\n  return element[upperSide];\n}\n\n/*\n * Sum or subtract the element scroll values (left and top) from a given rect object\n * @method\n * @memberof Popper.Utils\n * @param {Object} rect - Rect object you want to change\n * @param {HTMLElement} element - The element from the function reads the scroll values\n * @param {Boolean} subtract - set to true if you want to subtract the scroll values\n * @return {Object} rect - The modifier rect object\n */\nfunction includeScroll(rect, element) {\n  var subtract = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;\n\n  var scrollTop = getScroll(element, 'top');\n  var scrollLeft = getScroll(element, 'left');\n  var modifier = subtract ? -1 : 1;\n  rect.top += scrollTop * modifier;\n  rect.bottom += scrollTop * modifier;\n  rect.left += scrollLeft * modifier;\n  rect.right += scrollLeft * modifier;\n  return rect;\n}\n\n/*\n * Helper to detect borders of a given element\n * @method\n * @memberof Popper.Utils\n * @param {CSSStyleDeclaration} styles\n * Result of `getStyleComputedProperty` on the given element\n * @param {String} axis - `x` or `y`\n * @return {number} borders - The borders size of the given axis\n */\n\nfunction getBordersSize(styles, axis) {\n  var sideA = axis === 'x' ? 'Left' : 'Top';\n  var sideB = sideA === 'Left' ? 'Right' : 'Bottom';\n\n  return +styles['border' + sideA + 'Width'].split('px')[0] + +styles['border' + sideB + 'Width'].split('px')[0];\n}\n\n/**\n * Tells if you are running Internet Explorer 10\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean} isIE10\n */\nvar isIE10 = undefined;\n\nvar isIE10$1 = function () {\n  if (isIE10 === undefined) {\n    isIE10 = navigator.appVersion.indexOf('MSIE 10') !== -1;\n  }\n  return isIE10;\n};\n\nfunction getSize(axis, body, html, computedStyle) {\n  return Math.max(body['offset' + axis], body['scroll' + axis], html['client' + axis], html['offset' + axis], html['scroll' + axis], isIE10$1() ? html['offset' + axis] + computedStyle['margin' + (axis === 'Height' ? 'Top' : 'Left')] + computedStyle['margin' + (axis === 'Height' ? 'Bottom' : 'Right')] : 0);\n}\n\nfunction getWindowSizes() {\n  var body = window.document.body;\n  var html = window.document.documentElement;\n  var computedStyle = isIE10$1() && window.getComputedStyle(html);\n\n  return {\n    height: getSize('Height', body, html, computedStyle),\n    width: getSize('Width', body, html, computedStyle)\n  };\n}\n\nvar classCallCheck = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\nvar createClass = function () {\n  function defineProperties(target, props) {\n    for (var i = 0; i < props.length; i++) {\n      var descriptor = props[i];\n      descriptor.enumerable = descriptor.enumerable || false;\n      descriptor.configurable = true;\n      if (\"value\" in descriptor) descriptor.writable = true;\n      Object.defineProperty(target, descriptor.key, descriptor);\n    }\n  }\n\n  return function (Constructor, protoProps, staticProps) {\n    if (protoProps) defineProperties(Constructor.prototype, protoProps);\n    if (staticProps) defineProperties(Constructor, staticProps);\n    return Constructor;\n  };\n}();\n\n\n\n\n\nvar defineProperty = function (obj, key, value) {\n  if (key in obj) {\n    Object.defineProperty(obj, key, {\n      value: value,\n      enumerable: true,\n      configurable: true,\n      writable: true\n    });\n  } else {\n    obj[key] = value;\n  }\n\n  return obj;\n};\n\nvar _extends = Object.assign || function (target) {\n  for (var i = 1; i < arguments.length; i++) {\n    var source = arguments[i];\n\n    for (var key in source) {\n      if (Object.prototype.hasOwnProperty.call(source, key)) {\n        target[key] = source[key];\n      }\n    }\n  }\n\n  return target;\n};\n\n/**\n * Given element offsets, generate an output similar to getBoundingClientRect\n * @method\n * @memberof Popper.Utils\n * @argument {Object} offsets\n * @returns {Object} ClientRect like output\n */\nfunction getClientRect(offsets) {\n  return _extends({}, offsets, {\n    right: offsets.left + offsets.width,\n    bottom: offsets.top + offsets.height\n  });\n}\n\n/**\n * Get bounding client rect of given element\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} element\n * @return {Object} client rect\n */\nfunction getBoundingClientRect(element) {\n  var rect = {};\n\n  // IE10 10 FIX: Please, don't ask, the element isn't\n  // considered in DOM in some circumstances...\n  // This isn't reproducible in IE10 compatibility mode of IE11\n  if (isIE10$1()) {\n    try {\n      rect = element.getBoundingClientRect();\n      var scrollTop = getScroll(element, 'top');\n      var scrollLeft = getScroll(element, 'left');\n      rect.top += scrollTop;\n      rect.left += scrollLeft;\n      rect.bottom += scrollTop;\n      rect.right += scrollLeft;\n    } catch (err) {}\n  } else {\n    rect = element.getBoundingClientRect();\n  }\n\n  var result = {\n    left: rect.left,\n    top: rect.top,\n    width: rect.right - rect.left,\n    height: rect.bottom - rect.top\n  };\n\n  // subtract scrollbar size from sizes\n  var sizes = element.nodeName === 'HTML' ? getWindowSizes() : {};\n  var width = sizes.width || element.clientWidth || result.right - result.left;\n  var height = sizes.height || element.clientHeight || result.bottom - result.top;\n\n  var horizScrollbar = element.offsetWidth - width;\n  var vertScrollbar = element.offsetHeight - height;\n\n  // if an hypothetical scrollbar is detected, we must be sure it's not a `border`\n  // we make this check conditional for performance reasons\n  if (horizScrollbar || vertScrollbar) {\n    var styles = getStyleComputedProperty(element);\n    horizScrollbar -= getBordersSize(styles, 'x');\n    vertScrollbar -= getBordersSize(styles, 'y');\n\n    result.width -= horizScrollbar;\n    result.height -= vertScrollbar;\n  }\n\n  return getClientRect(result);\n}\n\nfunction getOffsetRectRelativeToArbitraryNode(children, parent) {\n  var isIE10 = isIE10$1();\n  var isHTML = parent.nodeName === 'HTML';\n  var childrenRect = getBoundingClientRect(children);\n  var parentRect = getBoundingClientRect(parent);\n  var scrollParent = getScrollParent(children);\n\n  var styles = getStyleComputedProperty(parent);\n  var borderTopWidth = +styles.borderTopWidth.split('px')[0];\n  var borderLeftWidth = +styles.borderLeftWidth.split('px')[0];\n\n  var offsets = getClientRect({\n    top: childrenRect.top - parentRect.top - borderTopWidth,\n    left: childrenRect.left - parentRect.left - borderLeftWidth,\n    width: childrenRect.width,\n    height: childrenRect.height\n  });\n  offsets.marginTop = 0;\n  offsets.marginLeft = 0;\n\n  // Subtract margins of documentElement in case it's being used as parent\n  // we do this only on HTML because it's the only element that behaves\n  // differently when margins are applied to it. The margins are included in\n  // the box of the documentElement, in the other cases not.\n  if (!isIE10 && isHTML) {\n    var marginTop = +styles.marginTop.split('px')[0];\n    var marginLeft = +styles.marginLeft.split('px')[0];\n\n    offsets.top -= borderTopWidth - marginTop;\n    offsets.bottom -= borderTopWidth - marginTop;\n    offsets.left -= borderLeftWidth - marginLeft;\n    offsets.right -= borderLeftWidth - marginLeft;\n\n    // Attach marginTop and marginLeft because in some circumstances we may need them\n    offsets.marginTop = marginTop;\n    offsets.marginLeft = marginLeft;\n  }\n\n  if (isIE10 ? parent.contains(scrollParent) : parent === scrollParent && scrollParent.nodeName !== 'BODY') {\n    offsets = includeScroll(offsets, parent);\n  }\n\n  return offsets;\n}\n\nfunction getViewportOffsetRectRelativeToArtbitraryNode(element) {\n  var html = element.ownerDocument.documentElement;\n  var relativeOffset = getOffsetRectRelativeToArbitraryNode(element, html);\n  var width = Math.max(html.clientWidth, window.innerWidth || 0);\n  var height = Math.max(html.clientHeight, window.innerHeight || 0);\n\n  var scrollTop = getScroll(html);\n  var scrollLeft = getScroll(html, 'left');\n\n  var offset = {\n    top: scrollTop - relativeOffset.top + relativeOffset.marginTop,\n    left: scrollLeft - relativeOffset.left + relativeOffset.marginLeft,\n    width: width,\n    height: height\n  };\n\n  return getClientRect(offset);\n}\n\n/**\n * Check if the given element is fixed or is inside a fixed parent\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @argument {Element} customContainer\n * @returns {Boolean} answer to \"isFixed?\"\n */\nfunction isFixed(element) {\n  var nodeName = element.nodeName;\n  if (nodeName === 'BODY' || nodeName === 'HTML') {\n    return false;\n  }\n  if (getStyleComputedProperty(element, 'position') === 'fixed') {\n    return true;\n  }\n  return isFixed(getParentNode(element));\n}\n\n/**\n * Computed the boundaries limits and return them\n * @method\n * @memberof Popper.Utils\n * @param {HTMLElement} popper\n * @param {HTMLElement} reference\n * @param {number} padding\n * @param {HTMLElement} boundariesElement - Element used to define the boundaries\n * @returns {Object} Coordinates of the boundaries\n */\nfunction getBoundaries(popper, reference, padding, boundariesElement) {\n  // NOTE: 1 DOM access here\n  var boundaries = { top: 0, left: 0 };\n  var offsetParent = findCommonOffsetParent(popper, reference);\n\n  // Handle viewport case\n  if (boundariesElement === 'viewport') {\n    boundaries = getViewportOffsetRectRelativeToArtbitraryNode(offsetParent);\n  } else {\n    // Handle other cases based on DOM element used as boundaries\n    var boundariesNode = void 0;\n    if (boundariesElement === 'scrollParent') {\n      boundariesNode = getScrollParent(getParentNode(popper));\n      if (boundariesNode.nodeName === 'BODY') {\n        boundariesNode = popper.ownerDocument.documentElement;\n      }\n    } else if (boundariesElement === 'window') {\n      boundariesNode = popper.ownerDocument.documentElement;\n    } else {\n      boundariesNode = boundariesElement;\n    }\n\n    var offsets = getOffsetRectRelativeToArbitraryNode(boundariesNode, offsetParent);\n\n    // In case of HTML, we need a different computation\n    if (boundariesNode.nodeName === 'HTML' && !isFixed(offsetParent)) {\n      var _getWindowSizes = getWindowSizes(),\n          height = _getWindowSizes.height,\n          width = _getWindowSizes.width;\n\n      boundaries.top += offsets.top - offsets.marginTop;\n      boundaries.bottom = height + offsets.top;\n      boundaries.left += offsets.left - offsets.marginLeft;\n      boundaries.right = width + offsets.left;\n    } else {\n      // for all the other DOM elements, this one is good\n      boundaries = offsets;\n    }\n  }\n\n  // Add paddings\n  boundaries.left += padding;\n  boundaries.top += padding;\n  boundaries.right -= padding;\n  boundaries.bottom -= padding;\n\n  return boundaries;\n}\n\nfunction getArea(_ref) {\n  var width = _ref.width,\n      height = _ref.height;\n\n  return width * height;\n}\n\n/**\n * Utility used to transform the `auto` placement to the placement with more\n * available space.\n * @method\n * @memberof Popper.Utils\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeAutoPlacement(placement, refRect, popper, reference, boundariesElement) {\n  var padding = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;\n\n  if (placement.indexOf('auto') === -1) {\n    return placement;\n  }\n\n  var boundaries = getBoundaries(popper, reference, padding, boundariesElement);\n\n  var rects = {\n    top: {\n      width: boundaries.width,\n      height: refRect.top - boundaries.top\n    },\n    right: {\n      width: boundaries.right - refRect.right,\n      height: boundaries.height\n    },\n    bottom: {\n      width: boundaries.width,\n      height: boundaries.bottom - refRect.bottom\n    },\n    left: {\n      width: refRect.left - boundaries.left,\n      height: boundaries.height\n    }\n  };\n\n  var sortedAreas = Object.keys(rects).map(function (key) {\n    return _extends({\n      key: key\n    }, rects[key], {\n      area: getArea(rects[key])\n    });\n  }).sort(function (a, b) {\n    return b.area - a.area;\n  });\n\n  var filteredAreas = sortedAreas.filter(function (_ref2) {\n    var width = _ref2.width,\n        height = _ref2.height;\n    return width >= popper.clientWidth && height >= popper.clientHeight;\n  });\n\n  var computedPlacement = filteredAreas.length > 0 ? filteredAreas[0].key : sortedAreas[0].key;\n\n  var variation = placement.split('-')[1];\n\n  return computedPlacement + (variation ? '-' + variation : '');\n}\n\n/**\n * Get offsets to the reference element\n * @method\n * @memberof Popper.Utils\n * @param {Object} state\n * @param {Element} popper - the popper element\n * @param {Element} reference - the reference element (the popper will be relative to this)\n * @returns {Object} An object containing the offsets which will be applied to the popper\n */\nfunction getReferenceOffsets(state, popper, reference) {\n  var commonOffsetParent = findCommonOffsetParent(popper, reference);\n  return getOffsetRectRelativeToArbitraryNode(reference, commonOffsetParent);\n}\n\n/**\n * Get the outer sizes of the given element (offset size + margins)\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element\n * @returns {Object} object containing width and height properties\n */\nfunction getOuterSizes(element) {\n  var styles = window.getComputedStyle(element);\n  var x = parseFloat(styles.marginTop) + parseFloat(styles.marginBottom);\n  var y = parseFloat(styles.marginLeft) + parseFloat(styles.marginRight);\n  var result = {\n    width: element.offsetWidth + y,\n    height: element.offsetHeight + x\n  };\n  return result;\n}\n\n/**\n * Get the opposite placement of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement\n * @returns {String} flipped placement\n */\nfunction getOppositePlacement(placement) {\n  var hash = { left: 'right', right: 'left', bottom: 'top', top: 'bottom' };\n  return placement.replace(/left|right|bottom|top/g, function (matched) {\n    return hash[matched];\n  });\n}\n\n/**\n * Get offsets to the popper\n * @method\n * @memberof Popper.Utils\n * @param {Object} position - CSS position the Popper will get applied\n * @param {HTMLElement} popper - the popper element\n * @param {Object} referenceOffsets - the reference offsets (the popper will be relative to this)\n * @param {String} placement - one of the valid placement options\n * @returns {Object} popperOffsets - An object containing the offsets which will be applied to the popper\n */\nfunction getPopperOffsets(popper, referenceOffsets, placement) {\n  placement = placement.split('-')[0];\n\n  // Get popper node sizes\n  var popperRect = getOuterSizes(popper);\n\n  // Add position, width and height to our offsets object\n  var popperOffsets = {\n    width: popperRect.width,\n    height: popperRect.height\n  };\n\n  // depending by the popper placement we have to compute its offsets slightly differently\n  var isHoriz = ['right', 'left'].indexOf(placement) !== -1;\n  var mainSide = isHoriz ? 'top' : 'left';\n  var secondarySide = isHoriz ? 'left' : 'top';\n  var measurement = isHoriz ? 'height' : 'width';\n  var secondaryMeasurement = !isHoriz ? 'height' : 'width';\n\n  popperOffsets[mainSide] = referenceOffsets[mainSide] + referenceOffsets[measurement] / 2 - popperRect[measurement] / 2;\n  if (placement === secondarySide) {\n    popperOffsets[secondarySide] = referenceOffsets[secondarySide] - popperRect[secondaryMeasurement];\n  } else {\n    popperOffsets[secondarySide] = referenceOffsets[getOppositePlacement(secondarySide)];\n  }\n\n  return popperOffsets;\n}\n\n/**\n * Mimics the `find` method of Array\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction find(arr, check) {\n  // use native find if supported\n  if (Array.prototype.find) {\n    return arr.find(check);\n  }\n\n  // use `filter` to obtain the same behavior of `find`\n  return arr.filter(check)[0];\n}\n\n/**\n * Return the index of the matching object\n * @method\n * @memberof Popper.Utils\n * @argument {Array} arr\n * @argument prop\n * @argument value\n * @returns index or -1\n */\nfunction findIndex(arr, prop, value) {\n  // use native findIndex if supported\n  if (Array.prototype.findIndex) {\n    return arr.findIndex(function (cur) {\n      return cur[prop] === value;\n    });\n  }\n\n  // use `find` + `indexOf` if `findIndex` isn't supported\n  var match = find(arr, function (obj) {\n    return obj[prop] === value;\n  });\n  return arr.indexOf(match);\n}\n\n/**\n * Loop trough the list of modifiers and run them in order,\n * each of them will then edit the data object.\n * @method\n * @memberof Popper.Utils\n * @param {dataObject} data\n * @param {Array} modifiers\n * @param {String} ends - Optional modifier name used as stopper\n * @returns {dataObject}\n */\nfunction runModifiers(modifiers, data, ends) {\n  var modifiersToRun = ends === undefined ? modifiers : modifiers.slice(0, findIndex(modifiers, 'name', ends));\n\n  modifiersToRun.forEach(function (modifier) {\n    if (modifier['function']) {\n      // eslint-disable-line dot-notation\n      console.warn('`modifier.function` is deprecated, use `modifier.fn`!');\n    }\n    var fn = modifier['function'] || modifier.fn; // eslint-disable-line dot-notation\n    if (modifier.enabled && isFunction(fn)) {\n      // Add properties to offsets to make them a complete clientRect object\n      // we do this before each modifier to make sure the previous one doesn't\n      // mess with these values\n      data.offsets.popper = getClientRect(data.offsets.popper);\n      data.offsets.reference = getClientRect(data.offsets.reference);\n\n      data = fn(data, modifier);\n    }\n  });\n\n  return data;\n}\n\n/**\n * Updates the position of the popper, computing the new offsets and applying\n * the new style.<br />\n * Prefer `scheduleUpdate` over `update` because of performance reasons.\n * @method\n * @memberof Popper\n */\nfunction update() {\n  // if popper is destroyed, don't perform any further update\n  if (this.state.isDestroyed) {\n    return;\n  }\n\n  var data = {\n    instance: this,\n    styles: {},\n    arrowStyles: {},\n    attributes: {},\n    flipped: false,\n    offsets: {}\n  };\n\n  // compute reference element offsets\n  data.offsets.reference = getReferenceOffsets(this.state, this.popper, this.reference);\n\n  // compute auto placement, store placement inside the data object,\n  // modifiers will be able to edit `placement` if needed\n  // and refer to originalPlacement to know the original value\n  data.placement = computeAutoPlacement(this.options.placement, data.offsets.reference, this.popper, this.reference, this.options.modifiers.flip.boundariesElement, this.options.modifiers.flip.padding);\n\n  // store the computed placement inside `originalPlacement`\n  data.originalPlacement = data.placement;\n\n  // compute the popper offsets\n  data.offsets.popper = getPopperOffsets(this.popper, data.offsets.reference, data.placement);\n  data.offsets.popper.position = 'absolute';\n\n  // run the modifiers\n  data = runModifiers(this.modifiers, data);\n\n  // the first `update` will call `onCreate` callback\n  // the other ones will call `onUpdate` callback\n  if (!this.state.isCreated) {\n    this.state.isCreated = true;\n    this.options.onCreate(data);\n  } else {\n    this.options.onUpdate(data);\n  }\n}\n\n/**\n * Helper used to know if the given modifier is enabled.\n * @method\n * @memberof Popper.Utils\n * @returns {Boolean}\n */\nfunction isModifierEnabled(modifiers, modifierName) {\n  return modifiers.some(function (_ref) {\n    var name = _ref.name,\n        enabled = _ref.enabled;\n    return enabled && name === modifierName;\n  });\n}\n\n/**\n * Get the prefixed supported property name\n * @method\n * @memberof Popper.Utils\n * @argument {String} property (camelCase)\n * @returns {String} prefixed property (camelCase or PascalCase, depending on the vendor prefix)\n */\nfunction getSupportedPropertyName(property) {\n  var prefixes = [false, 'ms', 'Webkit', 'Moz', 'O'];\n  var upperProp = property.charAt(0).toUpperCase() + property.slice(1);\n\n  for (var i = 0; i < prefixes.length - 1; i++) {\n    var prefix = prefixes[i];\n    var toCheck = prefix ? '' + prefix + upperProp : property;\n    if (typeof window.document.body.style[toCheck] !== 'undefined') {\n      return toCheck;\n    }\n  }\n  return null;\n}\n\n/**\n * Destroy the popper\n * @method\n * @memberof Popper\n */\nfunction destroy() {\n  this.state.isDestroyed = true;\n\n  // touch DOM only if `applyStyle` modifier is enabled\n  if (isModifierEnabled(this.modifiers, 'applyStyle')) {\n    this.popper.removeAttribute('x-placement');\n    this.popper.style.left = '';\n    this.popper.style.position = '';\n    this.popper.style.top = '';\n    this.popper.style[getSupportedPropertyName('transform')] = '';\n  }\n\n  this.disableEventListeners();\n\n  // remove the popper if user explicity asked for the deletion on destroy\n  // do not use `remove` because IE11 doesn't support it\n  if (this.options.removeOnDestroy) {\n    this.popper.parentNode.removeChild(this.popper);\n  }\n  return this;\n}\n\n/**\n * Get the window associated with the element\n * @argument {Element} element\n * @returns {Window}\n */\nfunction getWindow(element) {\n  var ownerDocument = element.ownerDocument;\n  return ownerDocument ? ownerDocument.defaultView : window;\n}\n\nfunction attachToScrollParents(scrollParent, event, callback, scrollParents) {\n  var isBody = scrollParent.nodeName === 'BODY';\n  var target = isBody ? scrollParent.ownerDocument.defaultView : scrollParent;\n  target.addEventListener(event, callback, { passive: true });\n\n  if (!isBody) {\n    attachToScrollParents(getScrollParent(target.parentNode), event, callback, scrollParents);\n  }\n  scrollParents.push(target);\n}\n\n/**\n * Setup needed event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction setupEventListeners(reference, options, state, updateBound) {\n  // Resize event listener on window\n  state.updateBound = updateBound;\n  getWindow(reference).addEventListener('resize', state.updateBound, { passive: true });\n\n  // Scroll event listener on scroll parents\n  var scrollElement = getScrollParent(reference);\n  attachToScrollParents(scrollElement, 'scroll', state.updateBound, state.scrollParents);\n  state.scrollElement = scrollElement;\n  state.eventsEnabled = true;\n\n  return state;\n}\n\n/**\n * It will add resize/scroll events and start recalculating\n * position of the popper element when they are triggered.\n * @method\n * @memberof Popper\n */\nfunction enableEventListeners() {\n  if (!this.state.eventsEnabled) {\n    this.state = setupEventListeners(this.reference, this.options, this.state, this.scheduleUpdate);\n  }\n}\n\n/**\n * Remove event listeners used to update the popper position\n * @method\n * @memberof Popper.Utils\n * @private\n */\nfunction removeEventListeners(reference, state) {\n  // Remove resize event listener on window\n  getWindow(reference).removeEventListener('resize', state.updateBound);\n\n  // Remove scroll event listener on scroll parents\n  state.scrollParents.forEach(function (target) {\n    target.removeEventListener('scroll', state.updateBound);\n  });\n\n  // Reset state\n  state.updateBound = null;\n  state.scrollParents = [];\n  state.scrollElement = null;\n  state.eventsEnabled = false;\n  return state;\n}\n\n/**\n * It will remove resize/scroll events and won't recalculate popper position\n * when they are triggered. It also won't trigger onUpdate callback anymore,\n * unless you call `update` method manually.\n * @method\n * @memberof Popper\n */\nfunction disableEventListeners() {\n  if (this.state.eventsEnabled) {\n    window.cancelAnimationFrame(this.scheduleUpdate);\n    this.state = removeEventListeners(this.reference, this.state);\n  }\n}\n\n/**\n * Tells if a given input is a number\n * @method\n * @memberof Popper.Utils\n * @param {*} input to check\n * @return {Boolean}\n */\nfunction isNumeric(n) {\n  return n !== '' && !isNaN(parseFloat(n)) && isFinite(n);\n}\n\n/**\n * Set the style to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the style to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setStyles(element, styles) {\n  Object.keys(styles).forEach(function (prop) {\n    var unit = '';\n    // add unit if the value is numeric and is one of the following\n    if (['width', 'height', 'top', 'right', 'bottom', 'left'].indexOf(prop) !== -1 && isNumeric(styles[prop])) {\n      unit = 'px';\n    }\n    element.style[prop] = styles[prop] + unit;\n  });\n}\n\n/**\n * Set the attributes to the given popper\n * @method\n * @memberof Popper.Utils\n * @argument {Element} element - Element to apply the attributes to\n * @argument {Object} styles\n * Object with a list of properties and values which will be applied to the element\n */\nfunction setAttributes(element, attributes) {\n  Object.keys(attributes).forEach(function (prop) {\n    var value = attributes[prop];\n    if (value !== false) {\n      element.setAttribute(prop, attributes[prop]);\n    } else {\n      element.removeAttribute(prop);\n    }\n  });\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} data.styles - List of style properties - values to apply to popper element\n * @argument {Object} data.attributes - List of attribute properties - values to apply to popper element\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The same data object\n */\nfunction applyStyle(data) {\n  // any property present in `data.styles` will be applied to the popper,\n  // in this way we can make the 3rd party modifiers add custom styles to it\n  // Be aware, modifiers could override the properties defined in the previous\n  // lines of this modifier!\n  setStyles(data.instance.popper, data.styles);\n\n  // any property present in `data.attributes` will be applied to the popper,\n  // they will be set as HTML attributes of the element\n  setAttributes(data.instance.popper, data.attributes);\n\n  // if arrowElement is defined and arrowStyles has some properties\n  if (data.arrowElement && Object.keys(data.arrowStyles).length) {\n    setStyles(data.arrowElement, data.arrowStyles);\n  }\n\n  return data;\n}\n\n/**\n * Set the x-placement attribute before everything else because it could be used\n * to add margins to the popper margins needs to be calculated to get the\n * correct popper offsets.\n * @method\n * @memberof Popper.modifiers\n * @param {HTMLElement} reference - The reference element used to position the popper\n * @param {HTMLElement} popper - The HTML element used as popper.\n * @param {Object} options - Popper.js options\n */\nfunction applyStyleOnLoad(reference, popper, options, modifierOptions, state) {\n  // compute reference element offsets\n  var referenceOffsets = getReferenceOffsets(state, popper, reference);\n\n  // compute auto placement, store placement inside the data object,\n  // modifiers will be able to edit `placement` if needed\n  // and refer to originalPlacement to know the original value\n  var placement = computeAutoPlacement(options.placement, referenceOffsets, popper, reference, options.modifiers.flip.boundariesElement, options.modifiers.flip.padding);\n\n  popper.setAttribute('x-placement', placement);\n\n  // Apply `position` to popper before anything else because\n  // without the position applied we can't guarantee correct computations\n  setStyles(popper, { position: 'absolute' });\n\n  return options;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction computeStyle(data, options) {\n  var x = options.x,\n      y = options.y;\n  var popper = data.offsets.popper;\n\n  // Remove this legacy support in Popper.js v2\n\n  var legacyGpuAccelerationOption = find(data.instance.modifiers, function (modifier) {\n    return modifier.name === 'applyStyle';\n  }).gpuAcceleration;\n  if (legacyGpuAccelerationOption !== undefined) {\n    console.warn('WARNING: `gpuAcceleration` option moved to `computeStyle` modifier and will not be supported in future versions of Popper.js!');\n  }\n  var gpuAcceleration = legacyGpuAccelerationOption !== undefined ? legacyGpuAccelerationOption : options.gpuAcceleration;\n\n  var offsetParent = getOffsetParent(data.instance.popper);\n  var offsetParentRect = getBoundingClientRect(offsetParent);\n\n  // Styles\n  var styles = {\n    position: popper.position\n  };\n\n  // floor sides to avoid blurry text\n  var offsets = {\n    left: Math.floor(popper.left),\n    top: Math.floor(popper.top),\n    bottom: Math.floor(popper.bottom),\n    right: Math.floor(popper.right)\n  };\n\n  var sideA = x === 'bottom' ? 'top' : 'bottom';\n  var sideB = y === 'right' ? 'left' : 'right';\n\n  // if gpuAcceleration is set to `true` and transform is supported,\n  //  we use `translate3d` to apply the position to the popper we\n  // automatically use the supported prefixed version if needed\n  var prefixedProperty = getSupportedPropertyName('transform');\n\n  // now, let's make a step back and look at this code closely (wtf?)\n  // If the content of the popper grows once it's been positioned, it\n  // may happen that the popper gets misplaced because of the new content\n  // overflowing its reference element\n  // To avoid this problem, we provide two options (x and y), which allow\n  // the consumer to define the offset origin.\n  // If we position a popper on top of a reference element, we can set\n  // `x` to `top` to make the popper grow towards its top instead of\n  // its bottom.\n  var left = void 0,\n      top = void 0;\n  if (sideA === 'bottom') {\n    top = -offsetParentRect.height + offsets.bottom;\n  } else {\n    top = offsets.top;\n  }\n  if (sideB === 'right') {\n    left = -offsetParentRect.width + offsets.right;\n  } else {\n    left = offsets.left;\n  }\n  if (gpuAcceleration && prefixedProperty) {\n    styles[prefixedProperty] = 'translate3d(' + left + 'px, ' + top + 'px, 0)';\n    styles[sideA] = 0;\n    styles[sideB] = 0;\n    styles.willChange = 'transform';\n  } else {\n    // othwerise, we use the standard `top`, `left`, `bottom` and `right` properties\n    var invertTop = sideA === 'bottom' ? -1 : 1;\n    var invertLeft = sideB === 'right' ? -1 : 1;\n    styles[sideA] = top * invertTop;\n    styles[sideB] = left * invertLeft;\n    styles.willChange = sideA + ', ' + sideB;\n  }\n\n  // Attributes\n  var attributes = {\n    'x-placement': data.placement\n  };\n\n  // Update `data` attributes, styles and arrowStyles\n  data.attributes = _extends({}, attributes, data.attributes);\n  data.styles = _extends({}, styles, data.styles);\n  data.arrowStyles = _extends({}, data.offsets.arrow, data.arrowStyles);\n\n  return data;\n}\n\n/**\n * Helper used to know if the given modifier depends from another one.<br />\n * It checks if the needed modifier is listed and enabled.\n * @method\n * @memberof Popper.Utils\n * @param {Array} modifiers - list of modifiers\n * @param {String} requestingName - name of requesting modifier\n * @param {String} requestedName - name of requested modifier\n * @returns {Boolean}\n */\nfunction isModifierRequired(modifiers, requestingName, requestedName) {\n  var requesting = find(modifiers, function (_ref) {\n    var name = _ref.name;\n    return name === requestingName;\n  });\n\n  var isRequired = !!requesting && modifiers.some(function (modifier) {\n    return modifier.name === requestedName && modifier.enabled && modifier.order < requesting.order;\n  });\n\n  if (!isRequired) {\n    var _requesting = '`' + requestingName + '`';\n    var requested = '`' + requestedName + '`';\n    console.warn(requested + ' modifier is required by ' + _requesting + ' modifier in order to work, be sure to include it before ' + _requesting + '!');\n  }\n  return isRequired;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction arrow(data, options) {\n  // arrow depends on keepTogether in order to work\n  if (!isModifierRequired(data.instance.modifiers, 'arrow', 'keepTogether')) {\n    return data;\n  }\n\n  var arrowElement = options.element;\n\n  // if arrowElement is a string, suppose it's a CSS selector\n  if (typeof arrowElement === 'string') {\n    arrowElement = data.instance.popper.querySelector(arrowElement);\n\n    // if arrowElement is not found, don't run the modifier\n    if (!arrowElement) {\n      return data;\n    }\n  } else {\n    // if the arrowElement isn't a query selector we must check that the\n    // provided DOM node is child of its popper node\n    if (!data.instance.popper.contains(arrowElement)) {\n      console.warn('WARNING: `arrow.element` must be child of its popper element!');\n      return data;\n    }\n  }\n\n  var placement = data.placement.split('-')[0];\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var isVertical = ['left', 'right'].indexOf(placement) !== -1;\n\n  var len = isVertical ? 'height' : 'width';\n  var sideCapitalized = isVertical ? 'Top' : 'Left';\n  var side = sideCapitalized.toLowerCase();\n  var altSide = isVertical ? 'left' : 'top';\n  var opSide = isVertical ? 'bottom' : 'right';\n  var arrowElementSize = getOuterSizes(arrowElement)[len];\n\n  //\n  // extends keepTogether behavior making sure the popper and its\n  // reference have enough pixels in conjuction\n  //\n\n  // top/left side\n  if (reference[opSide] - arrowElementSize < popper[side]) {\n    data.offsets.popper[side] -= popper[side] - (reference[opSide] - arrowElementSize);\n  }\n  // bottom/right side\n  if (reference[side] + arrowElementSize > popper[opSide]) {\n    data.offsets.popper[side] += reference[side] + arrowElementSize - popper[opSide];\n  }\n\n  // compute center of the popper\n  var center = reference[side] + reference[len] / 2 - arrowElementSize / 2;\n\n  // Compute the sideValue using the updated popper offsets\n  // take popper margin in account because we don't have this info available\n  var popperMarginSide = getStyleComputedProperty(data.instance.popper, 'margin' + sideCapitalized).replace('px', '');\n  var sideValue = center - getClientRect(data.offsets.popper)[side] - popperMarginSide;\n\n  // prevent arrowElement from being placed not contiguously to its popper\n  sideValue = Math.max(Math.min(popper[len] - arrowElementSize, sideValue), 0);\n\n  data.arrowElement = arrowElement;\n  data.offsets.arrow = {};\n  data.offsets.arrow[side] = Math.round(sideValue);\n  data.offsets.arrow[altSide] = ''; // make sure to unset any eventual altSide value from the DOM node\n\n  return data;\n}\n\n/**\n * Get the opposite placement variation of the given one\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement variation\n * @returns {String} flipped placement variation\n */\nfunction getOppositeVariation(variation) {\n  if (variation === 'end') {\n    return 'start';\n  } else if (variation === 'start') {\n    return 'end';\n  }\n  return variation;\n}\n\n/**\n * List of accepted placements to use as values of the `placement` option.<br />\n * Valid placements are:\n * - `auto`\n * - `top`\n * - `right`\n * - `bottom`\n * - `left`\n *\n * Each placement can have a variation from this list:\n * - `-start`\n * - `-end`\n *\n * Variations are interpreted easily if you think of them as the left to right\n * written languages. Horizontally (`top` and `bottom`), `start` is left and `end`\n * is right.<br />\n * Vertically (`left` and `right`), `start` is top and `end` is bottom.\n *\n * Some valid examples are:\n * - `top-end` (on top of reference, right aligned)\n * - `right-start` (on right of reference, top aligned)\n * - `bottom` (on bottom, centered)\n * - `auto-right` (on the side with more space available, alignment depends by placement)\n *\n * @static\n * @type {Array}\n * @enum {String}\n * @readonly\n * @method placements\n * @memberof Popper\n */\nvar placements = ['auto-start', 'auto', 'auto-end', 'top-start', 'top', 'top-end', 'right-start', 'right', 'right-end', 'bottom-end', 'bottom', 'bottom-start', 'left-end', 'left', 'left-start'];\n\n// Get rid of `auto` `auto-start` and `auto-end`\nvar validPlacements = placements.slice(3);\n\n/**\n * Given an initial placement, returns all the subsequent placements\n * clockwise (or counter-clockwise).\n *\n * @method\n * @memberof Popper.Utils\n * @argument {String} placement - A valid placement (it accepts variations)\n * @argument {Boolean} counter - Set to true to walk the placements counterclockwise\n * @returns {Array} placements including their variations\n */\nfunction clockwise(placement) {\n  var counter = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n  var index = validPlacements.indexOf(placement);\n  var arr = validPlacements.slice(index + 1).concat(validPlacements.slice(0, index));\n  return counter ? arr.reverse() : arr;\n}\n\nvar BEHAVIORS = {\n  FLIP: 'flip',\n  CLOCKWISE: 'clockwise',\n  COUNTERCLOCKWISE: 'counterclockwise'\n};\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction flip(data, options) {\n  // if `inner` modifier is enabled, we can't use the `flip` modifier\n  if (isModifierEnabled(data.instance.modifiers, 'inner')) {\n    return data;\n  }\n\n  if (data.flipped && data.placement === data.originalPlacement) {\n    // seems like flip is trying to loop, probably there's not enough space on any of the flippable sides\n    return data;\n  }\n\n  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, options.boundariesElement);\n\n  var placement = data.placement.split('-')[0];\n  var placementOpposite = getOppositePlacement(placement);\n  var variation = data.placement.split('-')[1] || '';\n\n  var flipOrder = [];\n\n  switch (options.behavior) {\n    case BEHAVIORS.FLIP:\n      flipOrder = [placement, placementOpposite];\n      break;\n    case BEHAVIORS.CLOCKWISE:\n      flipOrder = clockwise(placement);\n      break;\n    case BEHAVIORS.COUNTERCLOCKWISE:\n      flipOrder = clockwise(placement, true);\n      break;\n    default:\n      flipOrder = options.behavior;\n  }\n\n  flipOrder.forEach(function (step, index) {\n    if (placement !== step || flipOrder.length === index + 1) {\n      return data;\n    }\n\n    placement = data.placement.split('-')[0];\n    placementOpposite = getOppositePlacement(placement);\n\n    var popperOffsets = data.offsets.popper;\n    var refOffsets = data.offsets.reference;\n\n    // using floor because the reference offsets may contain decimals we are not going to consider here\n    var floor = Math.floor;\n    var overlapsRef = placement === 'left' && floor(popperOffsets.right) > floor(refOffsets.left) || placement === 'right' && floor(popperOffsets.left) < floor(refOffsets.right) || placement === 'top' && floor(popperOffsets.bottom) > floor(refOffsets.top) || placement === 'bottom' && floor(popperOffsets.top) < floor(refOffsets.bottom);\n\n    var overflowsLeft = floor(popperOffsets.left) < floor(boundaries.left);\n    var overflowsRight = floor(popperOffsets.right) > floor(boundaries.right);\n    var overflowsTop = floor(popperOffsets.top) < floor(boundaries.top);\n    var overflowsBottom = floor(popperOffsets.bottom) > floor(boundaries.bottom);\n\n    var overflowsBoundaries = placement === 'left' && overflowsLeft || placement === 'right' && overflowsRight || placement === 'top' && overflowsTop || placement === 'bottom' && overflowsBottom;\n\n    // flip the variation if required\n    var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n    var flippedVariation = !!options.flipVariations && (isVertical && variation === 'start' && overflowsLeft || isVertical && variation === 'end' && overflowsRight || !isVertical && variation === 'start' && overflowsTop || !isVertical && variation === 'end' && overflowsBottom);\n\n    if (overlapsRef || overflowsBoundaries || flippedVariation) {\n      // this boolean to detect any flip loop\n      data.flipped = true;\n\n      if (overlapsRef || overflowsBoundaries) {\n        placement = flipOrder[index + 1];\n      }\n\n      if (flippedVariation) {\n        variation = getOppositeVariation(variation);\n      }\n\n      data.placement = placement + (variation ? '-' + variation : '');\n\n      // this object contains `position`, we want to preserve it along with\n      // any additional property we may add in the future\n      data.offsets.popper = _extends({}, data.offsets.popper, getPopperOffsets(data.instance.popper, data.offsets.reference, data.placement));\n\n      data = runModifiers(data.instance.modifiers, data, 'flip');\n    }\n  });\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction keepTogether(data) {\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var placement = data.placement.split('-')[0];\n  var floor = Math.floor;\n  var isVertical = ['top', 'bottom'].indexOf(placement) !== -1;\n  var side = isVertical ? 'right' : 'bottom';\n  var opSide = isVertical ? 'left' : 'top';\n  var measurement = isVertical ? 'width' : 'height';\n\n  if (popper[side] < floor(reference[opSide])) {\n    data.offsets.popper[opSide] = floor(reference[opSide]) - popper[measurement];\n  }\n  if (popper[opSide] > floor(reference[side])) {\n    data.offsets.popper[opSide] = floor(reference[side]);\n  }\n\n  return data;\n}\n\n/**\n * Converts a string containing value + unit into a px value number\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} str - Value + unit string\n * @argument {String} measurement - `height` or `width`\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @returns {Number|String}\n * Value in pixels, or original string if no values were extracted\n */\nfunction toValue(str, measurement, popperOffsets, referenceOffsets) {\n  // separate value from unit\n  var split = str.match(/((?:\\-|\\+)?\\d*\\.?\\d*)(.*)/);\n  var value = +split[1];\n  var unit = split[2];\n\n  // If it's not a number it's an operator, I guess\n  if (!value) {\n    return str;\n  }\n\n  if (unit.indexOf('%') === 0) {\n    var element = void 0;\n    switch (unit) {\n      case '%p':\n        element = popperOffsets;\n        break;\n      case '%':\n      case '%r':\n      default:\n        element = referenceOffsets;\n    }\n\n    var rect = getClientRect(element);\n    return rect[measurement] / 100 * value;\n  } else if (unit === 'vh' || unit === 'vw') {\n    // if is a vh or vw, we calculate the size based on the viewport\n    var size = void 0;\n    if (unit === 'vh') {\n      size = Math.max(document.documentElement.clientHeight, window.innerHeight || 0);\n    } else {\n      size = Math.max(document.documentElement.clientWidth, window.innerWidth || 0);\n    }\n    return size / 100 * value;\n  } else {\n    // if is an explicit pixel unit, we get rid of the unit and keep the value\n    // if is an implicit unit, it's px, and we return just the value\n    return value;\n  }\n}\n\n/**\n * Parse an `offset` string to extrapolate `x` and `y` numeric offsets.\n * @function\n * @memberof {modifiers~offset}\n * @private\n * @argument {String} offset\n * @argument {Object} popperOffsets\n * @argument {Object} referenceOffsets\n * @argument {String} basePlacement\n * @returns {Array} a two cells array with x and y offsets in numbers\n */\nfunction parseOffset(offset, popperOffsets, referenceOffsets, basePlacement) {\n  var offsets = [0, 0];\n\n  // Use height if placement is left or right and index is 0 otherwise use width\n  // in this way the first offset will use an axis and the second one\n  // will use the other one\n  var useHeight = ['right', 'left'].indexOf(basePlacement) !== -1;\n\n  // Split the offset string to obtain a list of values and operands\n  // The regex addresses values with the plus or minus sign in front (+10, -20, etc)\n  var fragments = offset.split(/(\\+|\\-)/).map(function (frag) {\n    return frag.trim();\n  });\n\n  // Detect if the offset string contains a pair of values or a single one\n  // they could be separated by comma or space\n  var divider = fragments.indexOf(find(fragments, function (frag) {\n    return frag.search(/,|\\s/) !== -1;\n  }));\n\n  if (fragments[divider] && fragments[divider].indexOf(',') === -1) {\n    console.warn('Offsets separated by white space(s) are deprecated, use a comma (,) instead.');\n  }\n\n  // If divider is found, we divide the list of values and operands to divide\n  // them by ofset X and Y.\n  var splitRegex = /\\s*,\\s*|\\s+/;\n  var ops = divider !== -1 ? [fragments.slice(0, divider).concat([fragments[divider].split(splitRegex)[0]]), [fragments[divider].split(splitRegex)[1]].concat(fragments.slice(divider + 1))] : [fragments];\n\n  // Convert the values with units to absolute pixels to allow our computations\n  ops = ops.map(function (op, index) {\n    // Most of the units rely on the orientation of the popper\n    var measurement = (index === 1 ? !useHeight : useHeight) ? 'height' : 'width';\n    var mergeWithPrevious = false;\n    return op\n    // This aggregates any `+` or `-` sign that aren't considered operators\n    // e.g.: 10 + +5 => [10, +, +5]\n    .reduce(function (a, b) {\n      if (a[a.length - 1] === '' && ['+', '-'].indexOf(b) !== -1) {\n        a[a.length - 1] = b;\n        mergeWithPrevious = true;\n        return a;\n      } else if (mergeWithPrevious) {\n        a[a.length - 1] += b;\n        mergeWithPrevious = false;\n        return a;\n      } else {\n        return a.concat(b);\n      }\n    }, [])\n    // Here we convert the string values into number values (in px)\n    .map(function (str) {\n      return toValue(str, measurement, popperOffsets, referenceOffsets);\n    });\n  });\n\n  // Loop trough the offsets arrays and execute the operations\n  ops.forEach(function (op, index) {\n    op.forEach(function (frag, index2) {\n      if (isNumeric(frag)) {\n        offsets[index] += frag * (op[index2 - 1] === '-' ? -1 : 1);\n      }\n    });\n  });\n  return offsets;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @argument {Number|String} options.offset=0\n * The offset value as described in the modifier description\n * @returns {Object} The data object, properly modified\n */\nfunction offset(data, _ref) {\n  var offset = _ref.offset;\n  var placement = data.placement,\n      _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var basePlacement = placement.split('-')[0];\n\n  var offsets = void 0;\n  if (isNumeric(+offset)) {\n    offsets = [+offset, 0];\n  } else {\n    offsets = parseOffset(offset, popper, reference, basePlacement);\n  }\n\n  if (basePlacement === 'left') {\n    popper.top += offsets[0];\n    popper.left -= offsets[1];\n  } else if (basePlacement === 'right') {\n    popper.top += offsets[0];\n    popper.left += offsets[1];\n  } else if (basePlacement === 'top') {\n    popper.left += offsets[0];\n    popper.top -= offsets[1];\n  } else if (basePlacement === 'bottom') {\n    popper.left += offsets[0];\n    popper.top += offsets[1];\n  }\n\n  data.popper = popper;\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction preventOverflow(data, options) {\n  var boundariesElement = options.boundariesElement || getOffsetParent(data.instance.popper);\n\n  // If offsetParent is the reference element, we really want to\n  // go one step up and use the next offsetParent as reference to\n  // avoid to make this modifier completely useless and look like broken\n  if (data.instance.reference === boundariesElement) {\n    boundariesElement = getOffsetParent(boundariesElement);\n  }\n\n  var boundaries = getBoundaries(data.instance.popper, data.instance.reference, options.padding, boundariesElement);\n  options.boundaries = boundaries;\n\n  var order = options.priority;\n  var popper = data.offsets.popper;\n\n  var check = {\n    primary: function primary(placement) {\n      var value = popper[placement];\n      if (popper[placement] < boundaries[placement] && !options.escapeWithReference) {\n        value = Math.max(popper[placement], boundaries[placement]);\n      }\n      return defineProperty({}, placement, value);\n    },\n    secondary: function secondary(placement) {\n      var mainSide = placement === 'right' ? 'left' : 'top';\n      var value = popper[mainSide];\n      if (popper[placement] > boundaries[placement] && !options.escapeWithReference) {\n        value = Math.min(popper[mainSide], boundaries[placement] - (placement === 'right' ? popper.width : popper.height));\n      }\n      return defineProperty({}, mainSide, value);\n    }\n  };\n\n  order.forEach(function (placement) {\n    var side = ['left', 'top'].indexOf(placement) !== -1 ? 'primary' : 'secondary';\n    popper = _extends({}, popper, check[side](placement));\n  });\n\n  data.offsets.popper = popper;\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction shift(data) {\n  var placement = data.placement;\n  var basePlacement = placement.split('-')[0];\n  var shiftvariation = placement.split('-')[1];\n\n  // if shift shiftvariation is specified, run the modifier\n  if (shiftvariation) {\n    var _data$offsets = data.offsets,\n        reference = _data$offsets.reference,\n        popper = _data$offsets.popper;\n\n    var isVertical = ['bottom', 'top'].indexOf(basePlacement) !== -1;\n    var side = isVertical ? 'left' : 'top';\n    var measurement = isVertical ? 'width' : 'height';\n\n    var shiftOffsets = {\n      start: defineProperty({}, side, reference[side]),\n      end: defineProperty({}, side, reference[side] + reference[measurement] - popper[measurement])\n    };\n\n    data.offsets.popper = _extends({}, popper, shiftOffsets[shiftvariation]);\n  }\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by update method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction hide(data) {\n  if (!isModifierRequired(data.instance.modifiers, 'hide', 'preventOverflow')) {\n    return data;\n  }\n\n  var refRect = data.offsets.reference;\n  var bound = find(data.instance.modifiers, function (modifier) {\n    return modifier.name === 'preventOverflow';\n  }).boundaries;\n\n  if (refRect.bottom < bound.top || refRect.left > bound.right || refRect.top > bound.bottom || refRect.right < bound.left) {\n    // Avoid unnecessary DOM access if visibility hasn't changed\n    if (data.hide === true) {\n      return data;\n    }\n\n    data.hide = true;\n    data.attributes['x-out-of-boundaries'] = '';\n  } else {\n    // Avoid unnecessary DOM access if visibility hasn't changed\n    if (data.hide === false) {\n      return data;\n    }\n\n    data.hide = false;\n    data.attributes['x-out-of-boundaries'] = false;\n  }\n\n  return data;\n}\n\n/**\n * @function\n * @memberof Modifiers\n * @argument {Object} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {Object} The data object, properly modified\n */\nfunction inner(data) {\n  var placement = data.placement;\n  var basePlacement = placement.split('-')[0];\n  var _data$offsets = data.offsets,\n      popper = _data$offsets.popper,\n      reference = _data$offsets.reference;\n\n  var isHoriz = ['left', 'right'].indexOf(basePlacement) !== -1;\n\n  var subtractLength = ['top', 'left'].indexOf(basePlacement) === -1;\n\n  popper[isHoriz ? 'left' : 'top'] = reference[basePlacement] - (subtractLength ? popper[isHoriz ? 'width' : 'height'] : 0);\n\n  data.placement = getOppositePlacement(placement);\n  data.offsets.popper = getClientRect(popper);\n\n  return data;\n}\n\n/**\n * Modifier function, each modifier can have a function of this type assigned\n * to its `fn` property.<br />\n * These functions will be called on each update, this means that you must\n * make sure they are performant enough to avoid performance bottlenecks.\n *\n * @function ModifierFn\n * @argument {dataObject} data - The data object generated by `update` method\n * @argument {Object} options - Modifiers configuration and options\n * @returns {dataObject} The data object, properly modified\n */\n\n/**\n * Modifiers are plugins used to alter the behavior of your poppers.<br />\n * Popper.js uses a set of 9 modifiers to provide all the basic functionalities\n * needed by the library.\n *\n * Usually you don't want to override the `order`, `fn` and `onLoad` props.\n * All the other properties are configurations that could be tweaked.\n * @namespace modifiers\n */\nvar modifiers = {\n  /**\n   * Modifier used to shift the popper on the start or end of its reference\n   * element.<br />\n   * It will read the variation of the `placement` property.<br />\n   * It can be one either `-end` or `-start`.\n   * @memberof modifiers\n   * @inner\n   */\n  shift: {\n    /** @prop {number} order=100 - Index used to define the order of execution */\n    order: 100,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: shift\n  },\n\n  /**\n   * The `offset` modifier can shift your popper on both its axis.\n   *\n   * It accepts the following units:\n   * - `px` or unitless, interpreted as pixels\n   * - `%` or `%r`, percentage relative to the length of the reference element\n   * - `%p`, percentage relative to the length of the popper element\n   * - `vw`, CSS viewport width unit\n   * - `vh`, CSS viewport height unit\n   *\n   * For length is intended the main axis relative to the placement of the popper.<br />\n   * This means that if the placement is `top` or `bottom`, the length will be the\n   * `width`. In case of `left` or `right`, it will be the height.\n   *\n   * You can provide a single value (as `Number` or `String`), or a pair of values\n   * as `String` divided by a comma or one (or more) white spaces.<br />\n   * The latter is a deprecated method because it leads to confusion and will be\n   * removed in v2.<br />\n   * Additionally, it accepts additions and subtractions between different units.\n   * Note that multiplications and divisions aren't supported.\n   *\n   * Valid examples are:\n   * ```\n   * 10\n   * '10%'\n   * '10, 10'\n   * '10%, 10'\n   * '10 + 10%'\n   * '10 - 5vh + 3%'\n   * '-10px + 5vh, 5px - 6%'\n   * ```\n   * > **NB**: If you desire to apply offsets to your poppers in a way that may make them overlap\n   * > with their reference element, unfortunately, you will have to disable the `flip` modifier.\n   * > More on this [reading this issue](https://github.com/FezVrasta/popper.js/issues/373)\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  offset: {\n    /** @prop {number} order=200 - Index used to define the order of execution */\n    order: 200,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: offset,\n    /** @prop {Number|String} offset=0\n     * The offset value as described in the modifier description\n     */\n    offset: 0\n  },\n\n  /**\n   * Modifier used to prevent the popper from being positioned outside the boundary.\n   *\n   * An scenario exists where the reference itself is not within the boundaries.<br />\n   * We can say it has \"escaped the boundaries\" — or just \"escaped\".<br />\n   * In this case we need to decide whether the popper should either:\n   *\n   * - detach from the reference and remain \"trapped\" in the boundaries, or\n   * - if it should ignore the boundary and \"escape with its reference\"\n   *\n   * When `escapeWithReference` is set to`true` and reference is completely\n   * outside its boundaries, the popper will overflow (or completely leave)\n   * the boundaries in order to remain attached to the edge of the reference.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  preventOverflow: {\n    /** @prop {number} order=300 - Index used to define the order of execution */\n    order: 300,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: preventOverflow,\n    /**\n     * @prop {Array} [priority=['left','right','top','bottom']]\n     * Popper will try to prevent overflow following these priorities by default,\n     * then, it could overflow on the left and on top of the `boundariesElement`\n     */\n    priority: ['left', 'right', 'top', 'bottom'],\n    /**\n     * @prop {number} padding=5\n     * Amount of pixel used to define a minimum distance between the boundaries\n     * and the popper this makes sure the popper has always a little padding\n     * between the edges of its container\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='scrollParent'\n     * Boundaries used by the modifier, can be `scrollParent`, `window`,\n     * `viewport` or any DOM element.\n     */\n    boundariesElement: 'scrollParent'\n  },\n\n  /**\n   * Modifier used to make sure the reference and its popper stay near eachothers\n   * without leaving any gap between the two. Expecially useful when the arrow is\n   * enabled and you want to assure it to point to its reference element.\n   * It cares only about the first axis, you can still have poppers with margin\n   * between the popper and its reference element.\n   * @memberof modifiers\n   * @inner\n   */\n  keepTogether: {\n    /** @prop {number} order=400 - Index used to define the order of execution */\n    order: 400,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: keepTogether\n  },\n\n  /**\n   * This modifier is used to move the `arrowElement` of the popper to make\n   * sure it is positioned between the reference element and its popper element.\n   * It will read the outer size of the `arrowElement` node to detect how many\n   * pixels of conjuction are needed.\n   *\n   * It has no effect if no `arrowElement` is provided.\n   * @memberof modifiers\n   * @inner\n   */\n  arrow: {\n    /** @prop {number} order=500 - Index used to define the order of execution */\n    order: 500,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: arrow,\n    /** @prop {String|HTMLElement} element='[x-arrow]' - Selector or node used as arrow */\n    element: '[x-arrow]'\n  },\n\n  /**\n   * Modifier used to flip the popper's placement when it starts to overlap its\n   * reference element.\n   *\n   * Requires the `preventOverflow` modifier before it in order to work.\n   *\n   * **NOTE:** this modifier will interrupt the current update cycle and will\n   * restart it if it detects the need to flip the placement.\n   * @memberof modifiers\n   * @inner\n   */\n  flip: {\n    /** @prop {number} order=600 - Index used to define the order of execution */\n    order: 600,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: flip,\n    /**\n     * @prop {String|Array} behavior='flip'\n     * The behavior used to change the popper's placement. It can be one of\n     * `flip`, `clockwise`, `counterclockwise` or an array with a list of valid\n     * placements (with optional variations).\n     */\n    behavior: 'flip',\n    /**\n     * @prop {number} padding=5\n     * The popper will flip if it hits the edges of the `boundariesElement`\n     */\n    padding: 5,\n    /**\n     * @prop {String|HTMLElement} boundariesElement='viewport'\n     * The element which will define the boundaries of the popper position,\n     * the popper will never be placed outside of the defined boundaries\n     * (except if keepTogether is enabled)\n     */\n    boundariesElement: 'viewport'\n  },\n\n  /**\n   * Modifier used to make the popper flow toward the inner of the reference element.\n   * By default, when this modifier is disabled, the popper will be placed outside\n   * the reference element.\n   * @memberof modifiers\n   * @inner\n   */\n  inner: {\n    /** @prop {number} order=700 - Index used to define the order of execution */\n    order: 700,\n    /** @prop {Boolean} enabled=false - Whether the modifier is enabled or not */\n    enabled: false,\n    /** @prop {ModifierFn} */\n    fn: inner\n  },\n\n  /**\n   * Modifier used to hide the popper when its reference element is outside of the\n   * popper boundaries. It will set a `x-out-of-boundaries` attribute which can\n   * be used to hide with a CSS selector the popper when its reference is\n   * out of boundaries.\n   *\n   * Requires the `preventOverflow` modifier before it in order to work.\n   * @memberof modifiers\n   * @inner\n   */\n  hide: {\n    /** @prop {number} order=800 - Index used to define the order of execution */\n    order: 800,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: hide\n  },\n\n  /**\n   * Computes the style that will be applied to the popper element to gets\n   * properly positioned.\n   *\n   * Note that this modifier will not touch the DOM, it just prepares the styles\n   * so that `applyStyle` modifier can apply it. This separation is useful\n   * in case you need to replace `applyStyle` with a custom implementation.\n   *\n   * This modifier has `850` as `order` value to maintain backward compatibility\n   * with previous versions of Popper.js. Expect the modifiers ordering method\n   * to change in future major versions of the library.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  computeStyle: {\n    /** @prop {number} order=850 - Index used to define the order of execution */\n    order: 850,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: computeStyle,\n    /**\n     * @prop {Boolean} gpuAcceleration=true\n     * If true, it uses the CSS 3d transformation to position the popper.\n     * Otherwise, it will use the `top` and `left` properties.\n     */\n    gpuAcceleration: true,\n    /**\n     * @prop {string} [x='bottom']\n     * Where to anchor the X axis (`bottom` or `top`). AKA X offset origin.\n     * Change this if your popper should grow in a direction different from `bottom`\n     */\n    x: 'bottom',\n    /**\n     * @prop {string} [x='left']\n     * Where to anchor the Y axis (`left` or `right`). AKA Y offset origin.\n     * Change this if your popper should grow in a direction different from `right`\n     */\n    y: 'right'\n  },\n\n  /**\n   * Applies the computed styles to the popper element.\n   *\n   * All the DOM manipulations are limited to this modifier. This is useful in case\n   * you want to integrate Popper.js inside a framework or view library and you\n   * want to delegate all the DOM manipulations to it.\n   *\n   * Note that if you disable this modifier, you must make sure the popper element\n   * has its position set to `absolute` before Popper.js can do its work!\n   *\n   * Just disable this modifier and define you own to achieve the desired effect.\n   *\n   * @memberof modifiers\n   * @inner\n   */\n  applyStyle: {\n    /** @prop {number} order=900 - Index used to define the order of execution */\n    order: 900,\n    /** @prop {Boolean} enabled=true - Whether the modifier is enabled or not */\n    enabled: true,\n    /** @prop {ModifierFn} */\n    fn: applyStyle,\n    /** @prop {Function} */\n    onLoad: applyStyleOnLoad,\n    /**\n     * @deprecated since version 1.10.0, the property moved to `computeStyle` modifier\n     * @prop {Boolean} gpuAcceleration=true\n     * If true, it uses the CSS 3d transformation to position the popper.\n     * Otherwise, it will use the `top` and `left` properties.\n     */\n    gpuAcceleration: undefined\n  }\n};\n\n/**\n * The `dataObject` is an object containing all the informations used by Popper.js\n * this object get passed to modifiers and to the `onCreate` and `onUpdate` callbacks.\n * @name dataObject\n * @property {Object} data.instance The Popper.js instance\n * @property {String} data.placement Placement applied to popper\n * @property {String} data.originalPlacement Placement originally defined on init\n * @property {Boolean} data.flipped True if popper has been flipped by flip modifier\n * @property {Boolean} data.hide True if the reference element is out of boundaries, useful to know when to hide the popper.\n * @property {HTMLElement} data.arrowElement Node used as arrow by arrow modifier\n * @property {Object} data.styles Any CSS property defined here will be applied to the popper, it expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.arrowStyles Any CSS property defined here will be applied to the popper arrow, it expects the JavaScript nomenclature (eg. `marginBottom`)\n * @property {Object} data.boundaries Offsets of the popper boundaries\n * @property {Object} data.offsets The measurements of popper, reference and arrow elements.\n * @property {Object} data.offsets.popper `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.reference `top`, `left`, `width`, `height` values\n * @property {Object} data.offsets.arrow] `top` and `left` offsets, only one of them will be different from 0\n */\n\n/**\n * Default options provided to Popper.js constructor.<br />\n * These can be overriden using the `options` argument of Popper.js.<br />\n * To override an option, simply pass as 3rd argument an object with the same\n * structure of this object, example:\n * ```\n * new Popper(ref, pop, {\n *   modifiers: {\n *     preventOverflow: { enabled: false }\n *   }\n * })\n * ```\n * @type {Object}\n * @static\n * @memberof Popper\n */\nvar Defaults = {\n  /**\n   * Popper's placement\n   * @prop {Popper.placements} placement='bottom'\n   */\n  placement: 'bottom',\n\n  /**\n   * Whether events (resize, scroll) are initially enabled\n   * @prop {Boolean} eventsEnabled=true\n   */\n  eventsEnabled: true,\n\n  /**\n   * Set to true if you want to automatically remove the popper when\n   * you call the `destroy` method.\n   * @prop {Boolean} removeOnDestroy=false\n   */\n  removeOnDestroy: false,\n\n  /**\n   * Callback called when the popper is created.<br />\n   * By default, is set to no-op.<br />\n   * Access Popper.js instance with `data.instance`.\n   * @prop {onCreate}\n   */\n  onCreate: function onCreate() {},\n\n  /**\n   * Callback called when the popper is updated, this callback is not called\n   * on the initialization/creation of the popper, but only on subsequent\n   * updates.<br />\n   * By default, is set to no-op.<br />\n   * Access Popper.js instance with `data.instance`.\n   * @prop {onUpdate}\n   */\n  onUpdate: function onUpdate() {},\n\n  /**\n   * List of modifiers used to modify the offsets before they are applied to the popper.\n   * They provide most of the functionalities of Popper.js\n   * @prop {modifiers}\n   */\n  modifiers: modifiers\n};\n\n/**\n * @callback onCreate\n * @param {dataObject} data\n */\n\n/**\n * @callback onUpdate\n * @param {dataObject} data\n */\n\n// Utils\n// Methods\nvar Popper = function () {\n  /**\n   * Create a new Popper.js instance\n   * @class Popper\n   * @param {HTMLElement|referenceObject} reference - The reference element used to position the popper\n   * @param {HTMLElement} popper - The HTML element used as popper.\n   * @param {Object} options - Your custom options to override the ones defined in [Defaults](#defaults)\n   * @return {Object} instance - The generated Popper.js instance\n   */\n  function Popper(reference, popper) {\n    var _this = this;\n\n    var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n    classCallCheck(this, Popper);\n\n    this.scheduleUpdate = function () {\n      return requestAnimationFrame(_this.update);\n    };\n\n    // make update() debounced, so that it only runs at most once-per-tick\n    this.update = debounce(this.update.bind(this));\n\n    // with {} we create a new object with the options inside it\n    this.options = _extends({}, Popper.Defaults, options);\n\n    // init state\n    this.state = {\n      isDestroyed: false,\n      isCreated: false,\n      scrollParents: []\n    };\n\n    // get reference and popper elements (allow jQuery wrappers)\n    this.reference = reference && reference.jquery ? reference[0] : reference;\n    this.popper = popper && popper.jquery ? popper[0] : popper;\n\n    // Deep merge modifiers options\n    this.options.modifiers = {};\n    Object.keys(_extends({}, Popper.Defaults.modifiers, options.modifiers)).forEach(function (name) {\n      _this.options.modifiers[name] = _extends({}, Popper.Defaults.modifiers[name] || {}, options.modifiers ? options.modifiers[name] : {});\n    });\n\n    // Refactoring modifiers' list (Object => Array)\n    this.modifiers = Object.keys(this.options.modifiers).map(function (name) {\n      return _extends({\n        name: name\n      }, _this.options.modifiers[name]);\n    })\n    // sort the modifiers by order\n    .sort(function (a, b) {\n      return a.order - b.order;\n    });\n\n    // modifiers have the ability to execute arbitrary code when Popper.js get inited\n    // such code is executed in the same order of its modifier\n    // they could add new properties to their options configuration\n    // BE AWARE: don't add options to `options.modifiers.name` but to `modifierOptions`!\n    this.modifiers.forEach(function (modifierOptions) {\n      if (modifierOptions.enabled && isFunction(modifierOptions.onLoad)) {\n        modifierOptions.onLoad(_this.reference, _this.popper, _this.options, modifierOptions, _this.state);\n      }\n    });\n\n    // fire the first update to position the popper in the right place\n    this.update();\n\n    var eventsEnabled = this.options.eventsEnabled;\n    if (eventsEnabled) {\n      // setup event listeners, they will take care of update the position in specific situations\n      this.enableEventListeners();\n    }\n\n    this.state.eventsEnabled = eventsEnabled;\n  }\n\n  // We can't use class properties because they don't get listed in the\n  // class prototype and break stuff like Sinon stubs\n\n\n  createClass(Popper, [{\n    key: 'update',\n    value: function update$$1() {\n      return update.call(this);\n    }\n  }, {\n    key: 'destroy',\n    value: function destroy$$1() {\n      return destroy.call(this);\n    }\n  }, {\n    key: 'enableEventListeners',\n    value: function enableEventListeners$$1() {\n      return enableEventListeners.call(this);\n    }\n  }, {\n    key: 'disableEventListeners',\n    value: function disableEventListeners$$1() {\n      return disableEventListeners.call(this);\n    }\n\n    /**\n     * Schedule an update, it will run on the next UI update available\n     * @method scheduleUpdate\n     * @memberof Popper\n     */\n\n\n    /**\n     * Collection of utilities useful when writing custom modifiers.\n     * Starting from version 1.7, this method is available only if you\n     * include `popper-utils.js` before `popper.js`.\n     *\n     * **DEPRECATION**: This way to access PopperUtils is deprecated\n     * and will be removed in v2! Use the PopperUtils module directly instead.\n     * Due to the high instability of the methods contained in Utils, we can't\n     * guarantee them to follow semver. Use them at your own risk!\n     * @static\n     * @private\n     * @type {Object}\n     * @deprecated since version 1.8\n     * @member Utils\n     * @memberof Popper\n     */\n\n  }]);\n  return Popper;\n}();\n\n/**\n * The `referenceObject` is an object that provides an interface compatible with Popper.js\n * and lets you use it as replacement of a real DOM node.<br />\n * You can use this method to position a popper relatively to a set of coordinates\n * in case you don't have a DOM node to use as reference.\n *\n * ```\n * new Popper(referenceObject, popperNode);\n * ```\n *\n * NB: This feature isn't supported in Internet Explorer 10\n * @name referenceObject\n * @property {Function} data.getBoundingClientRect\n * A function that returns a set of coordinates compatible with the native `getBoundingClientRect` method.\n * @property {number} data.clientWidth\n * An ES6 getter that will return the width of the virtual reference element.\n * @property {number} data.clientHeight\n * An 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\ No newline at end of file
diff --git a/lib/amd/build/prefetch.min.js b/lib/amd/build/prefetch.min.js
index c0945c238f8..8c5d3762241 100644
--- a/lib/amd/build/prefetch.min.js
+++ b/lib/amd/build/prefetch.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=prefetch.min.js.map
+define("core/prefetch",["exports","core/config"],(function(_exports,_config){var obj;Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_config=(obj=_config)&&obj.__esModule?obj:{default:obj};var _systemImportTransformerGlobalIdentifier="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function _toConsumableArray(arr){return function(arr){if(Array.isArray(arr))return _arrayLikeToArray(arr)}(arr)||function(iter){if("undefined"!=typeof Symbol&&null!=iter[Symbol.iterator]||null!=iter["@@iterator"])return Array.from(iter)}(arr)||function(o,minLen){if(!o)return;if("string"==typeof o)return _arrayLikeToArray(o,minLen);var n=Object.prototype.toString.call(o).slice(8,-1);"Object"===n&&o.constructor&&(n=o.constructor.name);if("Map"===n||"Set"===n)return Array.from(o);if("Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))return _arrayLikeToArray(o,minLen)}(arr)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function _arrayLikeToArray(arr,len){(null==len||len>arr.length)&&(len=arr.length);for(var i=0,arr2=new Array(len);i<len;i++)arr2[i]=arr[i];return arr2}var prefetchTimer,initialPrefetchComplete=!1,templateList=[],stringList={},fetchQueue=function(){if(templateList){var templatesToLoad=templateList.slice();templateList=[],("function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require(["core/templates"],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require("core/templates")):Promise.resolve(_systemImportTransformerGlobalIdentifier["core/templates"])).then((function(Templates){return Templates.prefetchTemplates(templatesToLoad)})).catch()}var mappedStringsToFetch=stringList;stringList={};var stringsToFetch=[];Object.keys(mappedStringsToFetch).forEach((function(component){stringsToFetch.push.apply(stringsToFetch,_toConsumableArray(mappedStringsToFetch[component].map((function(key){return{component:component,key:key}}))))})),stringsToFetch&&("function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require(["core/str"],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require("core/str")):Promise.resolve(_systemImportTransformerGlobalIdentifier["core/str"])).then((function(Str){return Str.get_strings(stringsToFetch)})).catch()},processQueue=function(){prefetchTimer||(initialPrefetchComplete?fetchQueue():prefetchTimer=setTimeout((function(){initialPrefetchComplete=!0,prefetchTimer=null,("function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require([_config.default.iconsystemmodule],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require(_config.default.iconsystemmodule)):Promise.resolve(_systemImportTransformerGlobalIdentifier[_config.default.iconsystemmodule])).then((function(IconSystem){var iconSystem=new IconSystem;return prefetchTemplate(iconSystem.getTemplateName()),iconSystem})).then((function(iconSystem){fetchQueue(),iconSystem.init()})).catch()}),500))},prefetchTemplates=function(templatesNames){templateList=templateList.concat(templatesNames),processQueue()},prefetchTemplate=function(templateName){return prefetchTemplates([templateName])},prefetchStrings=function(component,keys){stringList[component]||(stringList[component]=[]),stringList[component]=stringList[component].concat(keys),processQueue()};prefetchTemplates([].concat(["core/loading"],["core/modal"],["core/modal_backdrop"])),prefetchStrings("core",["cancel","closebuttontitle","loading","savechanges"]),prefetchStrings("core_form",["showless","showmore"]);var _default={prefetchTemplate:prefetchTemplate,prefetchTemplates:prefetchTemplates,prefetchString:function(component,key){stringList[component]||(stringList[component]=[]),stringList[component].push(key),processQueue()},prefetchStrings:prefetchStrings};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=prefetch.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/prefetch.min.js.map b/lib/amd/build/prefetch.min.js.map
index 94051f11b4e..4406946b272 100644
--- a/lib/amd/build/prefetch.min.js.map
+++ b/lib/amd/build/prefetch.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/prefetch.js"],"names":["initialPrefetchComplete","templateList","stringList","prefetchTimer","fetchQueue","templatesToLoad","slice","then","Templates","prefetchTemplates","catch","mappedStringsToFetch","stringsToFetch","Object","keys","forEach","component","push","map","key","Str","get_strings","processQueue","setTimeout","Config","iconsystemmodule","IconSystem","iconSystem","prefetchTemplate","getTemplateName","init","templatesNames","concat","templateName","prefetchStrings","prefetchString"],"mappings":"+IAwBA,uD,k3BAGIA,CAAAA,CAAuB,G,CAGvBC,CAAY,CAAG,E,CAGfC,CAAU,CAAG,E,CAEbC,C,CAOEC,CAAU,CAAG,UAAM,CAErB,GAAIH,CAAJ,CAAkB,CACd,GAAMI,CAAAA,CAAe,CAAGJ,CAAY,CAACK,KAAb,EAAxB,CACAL,CAAY,CAAG,EAAf,CACA,mSAAO,gBAAP,0CACCM,IADD,CACM,SAAAC,CAAS,QAAIA,CAAAA,CAAS,CAACC,iBAAV,CAA4BJ,CAA5B,CAAJ,CADf,EAECK,KAFD,EAGH,CAGD,GAAMC,CAAAA,CAAoB,CAAGT,CAA7B,CACAA,CAAU,CAAG,EAAb,CAEA,GAAMU,CAAAA,CAAc,CAAG,EAAvB,CACAC,MAAM,CAACC,IAAP,CAAYH,CAAZ,EAAkCI,OAAlC,CAA0C,SAAAC,CAAS,CAAI,CACnDJ,CAAc,CAACK,IAAf,OAAAL,CAAc,GAASD,CAAoB,CAACK,CAAD,CAApB,CAAgCE,GAAhC,CAAoC,SAAAC,CAAG,CAAI,CAC9D,MAAO,CAACH,SAAS,CAATA,CAAD,CAAYG,GAAG,CAAHA,CAAZ,CACV,CAFsB,CAAT,EAGjB,CAJD,EAOI,6RAAO,UAAP,oCACCZ,IADD,CACM,SAAAa,CAAG,QAAIA,CAAAA,CAAG,CAACC,WAAJ,CAAgBT,CAAhB,CAAJ,CADT,EAECF,KAFD,EAIP,C,CAQKY,CAAY,CAAG,UAAM,CACvB,GAAInB,CAAJ,CAAmB,CAEf,MACH,CAGD,GAAIH,CAAJ,CAA6B,CACzBI,CAAU,GAEV,MACH,CAGDD,CAAa,CAAGoB,UAAU,CAAC,UAAM,CAC7BvB,CAAuB,GAAvB,CACAG,CAAa,CAAG,IAAhB,CAIA,gFAAOqB,UAAOC,gBAAd,mMAAOD,UAAOC,gBAAd,sBAAOD,UAAOC,gBAAd,IACClB,IADD,CACM,SAAAmB,CAAU,CAAI,CAChB,GAAMC,CAAAA,CAAU,CAAG,GAAID,CAAAA,CAAvB,CACAE,CAAgB,CAACD,CAAU,CAACE,eAAX,EAAD,CAAhB,CAEA,MAAOF,CAAAA,CACV,CAND,EAOCpB,IAPD,CAOM,SAAAoB,CAAU,CAAI,CAChBvB,CAAU,GACVuB,CAAU,CAACG,IAAX,EAGH,CAZD,EAaCpB,KAbD,EAcH,CApByB,CAoBvB,GApBuB,CAqB7B,C,CAOKD,CAAiB,CAAG,SAAAsB,CAAc,CAAI,CACxC9B,CAAY,CAAGA,CAAY,CAAC+B,MAAb,CAAoBD,CAApB,CAAf,CAEAT,CAAY,EACf,C,CAQKM,CAAgB,CAAG,SAAAK,CAAY,QAAIxB,CAAAA,CAAiB,CAAC,CAACwB,CAAD,CAAD,CAArB,C,CAQ/BC,CAAe,CAAG,SAAClB,CAAD,CAAYF,CAAZ,CAAqB,CACzC,GAAI,CAACZ,CAAU,CAACc,CAAD,CAAf,CAA4B,CACxBd,CAAU,CAACc,CAAD,CAAV,CAAwB,EAC3B,CAEDd,CAAU,CAACc,CAAD,CAAV,CAAwBd,CAAU,CAACc,CAAD,CAAV,CAAsBgB,MAAtB,CAA6BlB,CAA7B,CAAxB,CAEAQ,CAAY,EACf,C,CAQKa,CAAc,CAAG,SAACnB,CAAD,CAAYG,CAAZ,CAAoB,CACvC,GAAI,CAACjB,CAAU,CAACc,CAAD,CAAf,CAA4B,CACxBd,CAAU,CAACc,CAAD,CAAV,CAAwB,EAC3B,CAEDd,CAAU,CAACc,CAAD,CAAV,CAAsBC,IAAtB,CAA2BE,CAA3B,EAEAG,CAAY,EACf,C,CAGDb,CAAiB,CAAC,GAAGuB,MAAH,CACd,CAAC,cAAD,CADc,CAEd,CAAC,YAAD,CAFc,CAGd,CAAC,qBAAD,CAHc,CAAD,CAAjB,CAOAE,CAAe,CAAC,MAAD,CAAS,CACpB,QADoB,CAEpB,kBAFoB,CAGpB,SAHoB,CAIpB,aAJoB,CAAT,CAAf,CAMAA,CAAe,CAAC,WAAD,CAAc,CACzB,UADyB,CAEzB,UAFyB,CAAd,CAAf,C,UAKe,CACXN,gBAAgB,CAAhBA,CADW,CAEXnB,iBAAiB,CAAjBA,CAFW,CAGX0B,cAAc,CAAdA,CAHW,CAIXD,eAAe,CAAfA,CAJW,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Prefetch module to help lazily load content for use on the current page.\n *\n * @module     core/prefetch\n * @class      prefetch\n * @package    core\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Config from 'core/config';\n\n// Keep track of whether the initial prefetch has occurred.\nlet initialPrefetchComplete = false;\n\n// Prefetch templates.\nlet templateList = [];\n\n// Prefetch strings.\nlet stringList = {};\n\nlet prefetchTimer;\n\n/**\n * Fetch all queued items in the queue.\n *\n * Should only be called via processQueue.\n */\nconst fetchQueue = () => {\n    // Prefetch templates.\n    if (templateList) {\n        const templatesToLoad = templateList.slice();\n        templateList = [];\n        import('core/templates')\n        .then(Templates => Templates.prefetchTemplates(templatesToLoad))\n        .catch();\n    }\n\n    // Prefetch strings.\n    const mappedStringsToFetch = stringList;\n    stringList = {};\n\n    const stringsToFetch = [];\n    Object.keys(mappedStringsToFetch).forEach(component => {\n        stringsToFetch.push(...mappedStringsToFetch[component].map(key => {\n            return {component, key};\n        }));\n    });\n\n    if (stringsToFetch) {\n        import('core/str')\n        .then(Str => Str.get_strings(stringsToFetch))\n        .catch();\n    }\n};\n\n/**\n * Process the prefetch queues as required.\n *\n * The initial call will queue the first fetch after a delay.\n * Subsequent fetches are immediate.\n */\nconst processQueue = () => {\n    if (prefetchTimer) {\n        // There is a live prefetch timer. The initial prefetch has been scheduled but is not complete.\n        return;\n    }\n\n    // The initial prefetch has compelted. Just queue as normal.\n    if (initialPrefetchComplete) {\n        fetchQueue();\n\n        return;\n    }\n\n    // Queue the initial prefetch in a short while.\n    prefetchTimer = setTimeout(() => {\n        initialPrefetchComplete = true;\n        prefetchTimer = null;\n\n        // Ensure that the icon system is loaded.\n        // This can be quite slow and delay UI interactions if it is loaded on demand.\n        import(Config.iconsystemmodule)\n        .then(IconSystem => {\n            const iconSystem = new IconSystem();\n            prefetchTemplate(iconSystem.getTemplateName());\n\n            return iconSystem;\n        })\n        .then(iconSystem => {\n            fetchQueue();\n            iconSystem.init();\n\n            return;\n        })\n        .catch();\n    }, 500);\n};\n\n/**\n * Add a set of templates to the prefetch queue.\n *\n * @param {Array} templatesNames\n */\nconst prefetchTemplates = templatesNames => {\n    templateList = templateList.concat(templatesNames);\n\n    processQueue();\n};\n\n/**\n * Add a single template to the prefetch queue.\n *\n * @param {String} templateName\n * @returns {undefined}\n */\nconst prefetchTemplate = templateName => prefetchTemplates([templateName]);\n\n/**\n * Add a set of strings from the same component to the prefetch queue.\n *\n * @param {String} component\n * @param {String[]} keys\n */\nconst prefetchStrings = (component, keys) => {\n    if (!stringList[component]) {\n        stringList[component] = [];\n    }\n\n    stringList[component] = stringList[component].concat(keys);\n\n    processQueue();\n};\n\n/**\n * Add a single string to the prefetch queue.\n *\n * @param {String} component\n * @param {String} key\n */\nconst prefetchString = (component, key) => {\n    if (!stringList[component]) {\n        stringList[component] = [];\n    }\n\n    stringList[component].push(key);\n\n    processQueue();\n};\n\n// Prefetch some commonly-used templates.\nprefetchTemplates([].concat(\n    ['core/loading'],\n    ['core/modal'],\n    ['core/modal_backdrop'],\n));\n\n// And some commonly used strings.\nprefetchStrings('core', [\n    'cancel',\n    'closebuttontitle',\n    'loading',\n    'savechanges',\n]);\nprefetchStrings('core_form', [\n    'showless',\n    'showmore',\n]);\n\nexport default {\n    prefetchTemplate,\n    prefetchTemplates,\n    prefetchString,\n    prefetchStrings,\n};\n"],"file":"prefetch.min.js"}
\ No newline at end of file
+{"version":3,"file":"prefetch.min.js","sources":["../src/prefetch.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Prefetch module to help lazily load content for use on the current page.\n *\n * @module     core/prefetch\n * @class      prefetch\n * @package    core\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Config from 'core/config';\n\n// Keep track of whether the initial prefetch has occurred.\nlet initialPrefetchComplete = false;\n\n// Prefetch templates.\nlet templateList = [];\n\n// Prefetch strings.\nlet stringList = {};\n\nlet prefetchTimer;\n\n/**\n * Fetch all queued items in the queue.\n *\n * Should only be called via processQueue.\n */\nconst fetchQueue = () => {\n    // Prefetch templates.\n    if (templateList) {\n        const templatesToLoad = templateList.slice();\n        templateList = [];\n        import('core/templates')\n        .then(Templates => Templates.prefetchTemplates(templatesToLoad))\n        .catch();\n    }\n\n    // Prefetch strings.\n    const mappedStringsToFetch = stringList;\n    stringList = {};\n\n    const stringsToFetch = [];\n    Object.keys(mappedStringsToFetch).forEach(component => {\n        stringsToFetch.push(...mappedStringsToFetch[component].map(key => {\n            return {component, key};\n        }));\n    });\n\n    if (stringsToFetch) {\n        import('core/str')\n        .then(Str => Str.get_strings(stringsToFetch))\n        .catch();\n    }\n};\n\n/**\n * Process the prefetch queues as required.\n *\n * The initial call will queue the first fetch after a delay.\n * Subsequent fetches are immediate.\n */\nconst processQueue = () => {\n    if (prefetchTimer) {\n        // There is a live prefetch timer. The initial prefetch has been scheduled but is not complete.\n        return;\n    }\n\n    // The initial prefetch has compelted. Just queue as normal.\n    if (initialPrefetchComplete) {\n        fetchQueue();\n\n        return;\n    }\n\n    // Queue the initial prefetch in a short while.\n    prefetchTimer = setTimeout(() => {\n        initialPrefetchComplete = true;\n        prefetchTimer = null;\n\n        // Ensure that the icon system is loaded.\n        // This can be quite slow and delay UI interactions if it is loaded on demand.\n        import(Config.iconsystemmodule)\n        .then(IconSystem => {\n            const iconSystem = new IconSystem();\n            prefetchTemplate(iconSystem.getTemplateName());\n\n            return iconSystem;\n        })\n        .then(iconSystem => {\n            fetchQueue();\n            iconSystem.init();\n\n            return;\n        })\n        .catch();\n    }, 500);\n};\n\n/**\n * Add a set of templates to the prefetch queue.\n *\n * @param {Array} templatesNames\n */\nconst prefetchTemplates = templatesNames => {\n    templateList = templateList.concat(templatesNames);\n\n    processQueue();\n};\n\n/**\n * Add a single template to the prefetch queue.\n *\n * @param {String} templateName\n * @returns {undefined}\n */\nconst prefetchTemplate = templateName => prefetchTemplates([templateName]);\n\n/**\n * Add a set of strings from the same component to the prefetch queue.\n *\n * @param {String} component\n * @param {String[]} keys\n */\nconst prefetchStrings = (component, keys) => {\n    if (!stringList[component]) {\n        stringList[component] = [];\n    }\n\n    stringList[component] = stringList[component].concat(keys);\n\n    processQueue();\n};\n\n/**\n * Add a single string to the prefetch queue.\n *\n * @param {String} component\n * @param {String} key\n */\nconst prefetchString = (component, key) => {\n    if (!stringList[component]) {\n        stringList[component] = [];\n    }\n\n    stringList[component].push(key);\n\n    processQueue();\n};\n\n// Prefetch some commonly-used templates.\nprefetchTemplates([].concat(\n    ['core/loading'],\n    ['core/modal'],\n    ['core/modal_backdrop'],\n));\n\n// And some commonly used strings.\nprefetchStrings('core', [\n    'cancel',\n    'closebuttontitle',\n    'loading',\n    'savechanges',\n]);\nprefetchStrings('core_form', [\n    'showless',\n    'showmore',\n]);\n\nexport default {\n    prefetchTemplate,\n    prefetchTemplates,\n    prefetchString,\n    prefetchStrings,\n};\n"],"names":["prefetchTimer","initialPrefetchComplete","templateList","stringList","fetchQueue","templatesToLoad","slice","then","Templates","prefetchTemplates","catch","mappedStringsToFetch","stringsToFetch","Object","keys","forEach","component","push","map","key","Str","get_strings","processQueue","setTimeout","Config","iconsystemmodule","IconSystem","iconSystem","prefetchTemplate","getTemplateName","init","templatesNames","concat","templateName","prefetchStrings","prefetchString"],"mappings":"uwCAmCIA,cARAC,yBAA0B,EAG1BC,aAAe,GAGfC,WAAa,GASXC,WAAa,cAEXF,aAAc,KACRG,gBAAkBH,aAAaI,QACrCJ,aAAe,gmBAEdK,MAAK,SAAAC,kBAAaA,UAAUC,kBAAkBJ,oBAC9CK,YAICC,qBAAuBR,WAC7BA,WAAa,OAEPS,eAAiB,GACvBC,OAAOC,KAAKH,sBAAsBI,SAAQ,SAAAC,WACtCJ,eAAeK,WAAfL,kCAAuBD,qBAAqBK,WAAWE,KAAI,SAAAC,WAChD,CAACH,UAAAA,UAAWG,IAAAA,aAIvBP,2lBAECL,MAAK,SAAAa,YAAOA,IAAIC,YAAYT,mBAC5BF,SAUHY,aAAe,WACbtB,gBAMAC,wBACAG,aAMJJ,cAAgBuB,YAAW,WACvBtB,yBAA0B,EAC1BD,cAAgB,sNAITwB,gBAAOC,4SAAPD,gBAAP,4EAAOA,gBAAOC,oBACblB,MAAK,SAAAmB,gBACIC,WAAa,IAAID,kBACvBE,iBAAiBD,WAAWE,mBAErBF,cAEVpB,MAAK,SAAAoB,YACFvB,aACAuB,WAAWG,UAIdpB,UACF,OAQDD,kBAAoB,SAAAsB,gBACtB7B,aAAeA,aAAa8B,OAAOD,gBAEnCT,gBASEM,iBAAmB,SAAAK,qBAAgBxB,kBAAkB,CAACwB,gBAQtDC,gBAAkB,SAAClB,UAAWF,MAC3BX,WAAWa,aACZb,WAAWa,WAAa,IAG5Bb,WAAWa,WAAab,WAAWa,WAAWgB,OAAOlB,MAErDQ,gBAoBJb,kBAAkB,GAAGuB,OACjB,CAAC,gBACD,CAAC,cACD,CAAC,yBAILE,gBAAgB,OAAQ,CACpB,SACA,mBACA,UACA,gBAEJA,gBAAgB,YAAa,CACzB,WACA,0BAGW,CACXN,iBAAAA,iBACAnB,kBAAAA,kBACA0B,eAhCmB,SAACnB,UAAWG,KAC1BhB,WAAWa,aACZb,WAAWa,WAAa,IAG5Bb,WAAWa,WAAWC,KAAKE,KAE3BG,gBA0BAY,gBAAAA"}
\ No newline at end of file
diff --git a/lib/amd/build/pubsub.min.js b/lib/amd/build/pubsub.min.js
index a85b5fc7cb2..338f91dba95 100644
--- a/lib/amd/build/pubsub.min.js
+++ b/lib/amd/build/pubsub.min.js
@@ -1,2 +1,10 @@
-define ("core/pubsub",["exports","core/pending"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.unsubscribe=a.subscribe=a.publish=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c={};a.subscribe=function subscribe(a,b){c[a]=c[a]||[];c[a].push(b)};a.unsubscribe=function unsubscribe(a,b){if(c[a]){for(var d=0;d<c[a].length;d++){if(c[a][d]===b){c[a].splice(d,1);break}}}};var d=function(a,d){var e=new b.default("Publishing "+a);if(c[a]){c[a].forEach(function(a){a(d)})}e.resolve()};a.publish=d});
-//# sourceMappingURL=pubsub.min.js.map
+define("core/pubsub",["exports","core/pending"],(function(_exports,_pending){var obj;
+/**
+   * A simple Javascript PubSub implementation.
+   *
+   * @module     core/pubsub
+   * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.unsubscribe=_exports.subscribe=_exports.publish=void 0,_pending=(obj=_pending)&&obj.__esModule?obj:{default:obj};var events={};_exports.subscribe=function(eventName,callback){events[eventName]=events[eventName]||[],events[eventName].push(callback)};_exports.unsubscribe=function(eventName,callback){if(events[eventName])for(var i=0;i<events[eventName].length;i++)if(events[eventName][i]===callback){events[eventName].splice(i,1);break}};_exports.publish=function(eventName,data){var pendingPromise=new _pending.default("Publishing "+eventName);events[eventName]&&events[eventName].forEach((function(callback){callback(data)})),pendingPromise.resolve()}}));
+
+//# sourceMappingURL=pubsub.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/pubsub.min.js.map b/lib/amd/build/pubsub.min.js.map
index dd22aeddd13..a6ca29c72fe 100644
--- a/lib/amd/build/pubsub.min.js.map
+++ b/lib/amd/build/pubsub.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/pubsub.js"],"names":["events","subscribe","eventName","callback","push","unsubscribe","i","length","splice","publish","data","pendingPromise","Pending","forEach","resolve"],"mappings":"wKAsBA,uD,GAEMA,CAAAA,CAAM,CAAG,E,aAQU,QAAZC,CAAAA,SAAY,CAASC,CAAT,CAAoBC,CAApB,CAA8B,CACnDH,CAAM,CAACE,CAAD,CAAN,CAAoBF,CAAM,CAACE,CAAD,CAAN,EAAqB,EAAzC,CACAF,CAAM,CAACE,CAAD,CAAN,CAAkBE,IAAlB,CAAuBD,CAAvB,CACH,C,eAQ0B,QAAdE,CAAAA,WAAc,CAASH,CAAT,CAAoBC,CAApB,CAA8B,CACrD,GAAIH,CAAM,CAACE,CAAD,CAAV,CAAuB,CACnB,IAAK,GAAII,CAAAA,CAAC,CAAG,CAAb,CAAgBA,CAAC,CAAGN,CAAM,CAACE,CAAD,CAAN,CAAkBK,MAAtC,CAA8CD,CAAC,EAA/C,CAAmD,CAC/C,GAAIN,CAAM,CAACE,CAAD,CAAN,CAAkBI,CAAlB,IAAyBH,CAA7B,CAAuC,CACnCH,CAAM,CAACE,CAAD,CAAN,CAAkBM,MAAlB,CAAyBF,CAAzB,CAA4B,CAA5B,EACA,KACH,CACJ,CACJ,CACJ,C,CAQM,GAAMG,CAAAA,CAAO,CAAG,SAASP,CAAT,CAAoBQ,CAApB,CAA0B,CAC7C,GAAMC,CAAAA,CAAc,CAAG,GAAIC,UAAJ,CAAY,cAAgBV,CAA5B,CAAvB,CACA,GAAIF,CAAM,CAACE,CAAD,CAAV,CAAuB,CACnBF,CAAM,CAACE,CAAD,CAAN,CAAkBW,OAAlB,CAA0B,SAASV,CAAT,CAAmB,CACzCA,CAAQ,CAACO,CAAD,CACX,CAFD,CAGH,CACDC,CAAc,CAACG,OAAf,EACH,CARM,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A simple Javascript PubSub implementation.\n *\n * @module     core/pubsub\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Pending from 'core/pending';\n\nconst events = {};\n\n/**\n * Subscribe to an event.\n *\n * @param {string} eventName The name of the event to subscribe to.\n * @param {function} callback The callback function to run when eventName occurs.\n */\nexport const subscribe = function(eventName, callback) {\n    events[eventName] = events[eventName] || [];\n    events[eventName].push(callback);\n};\n\n/**\n * Unsubscribe from an event.\n *\n * @param {string} eventName The name of the event to unsubscribe from.\n * @param {function} callback The callback to unsubscribe.\n */\nexport const unsubscribe = function(eventName, callback) {\n    if (events[eventName]) {\n        for (var i = 0; i < events[eventName].length; i++) {\n            if (events[eventName][i] === callback) {\n                events[eventName].splice(i, 1);\n                break;\n            }\n        }\n    }\n};\n\n/**\n * Publish an event to all subscribers.\n *\n * @param {string} eventName The name of the event to publish.\n * @param {any} data The data to provide to the subscribed callbacks.\n */\nexport const publish = function(eventName, data) {\n    const pendingPromise = new Pending(\"Publishing \" + eventName);\n    if (events[eventName]) {\n        events[eventName].forEach(function(callback) {\n            callback(data);\n        });\n    }\n    pendingPromise.resolve();\n};\n"],"file":"pubsub.min.js"}
\ No newline at end of file
+{"version":3,"file":"pubsub.min.js","sources":["../src/pubsub.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A simple Javascript PubSub implementation.\n *\n * @module     core/pubsub\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Pending from 'core/pending';\n\nconst events = {};\n\n/**\n * Subscribe to an event.\n *\n * @param {string} eventName The name of the event to subscribe to.\n * @param {function} callback The callback function to run when eventName occurs.\n */\nexport const subscribe = function(eventName, callback) {\n    events[eventName] = events[eventName] || [];\n    events[eventName].push(callback);\n};\n\n/**\n * Unsubscribe from an event.\n *\n * @param {string} eventName The name of the event to unsubscribe from.\n * @param {function} callback The callback to unsubscribe.\n */\nexport const unsubscribe = function(eventName, callback) {\n    if (events[eventName]) {\n        for (var i = 0; i < events[eventName].length; i++) {\n            if (events[eventName][i] === callback) {\n                events[eventName].splice(i, 1);\n                break;\n            }\n        }\n    }\n};\n\n/**\n * Publish an event to all subscribers.\n *\n * @param {string} eventName The name of the event to publish.\n * @param {any} data The data to provide to the subscribed callbacks.\n */\nexport const publish = function(eventName, data) {\n    const pendingPromise = new Pending(\"Publishing \" + eventName);\n    if (events[eventName]) {\n        events[eventName].forEach(function(callback) {\n            callback(data);\n        });\n    }\n    pendingPromise.resolve();\n};\n"],"names":["events","eventName","callback","push","i","length","splice","data","pendingPromise","Pending","forEach","resolve"],"mappings":";;;;;;;2LAwBMA,OAAS,sBAQU,SAASC,UAAWC,UACzCF,OAAOC,WAAaD,OAAOC,YAAc,GACzCD,OAAOC,WAAWE,KAAKD,gCASA,SAASD,UAAWC,aACvCF,OAAOC,eACF,IAAIG,EAAI,EAAGA,EAAIJ,OAAOC,WAAWI,OAAQD,OACtCJ,OAAOC,WAAWG,KAAOF,SAAU,CACnCF,OAAOC,WAAWK,OAAOF,EAAG,4BAarB,SAASH,UAAWM,UACjCC,eAAiB,IAAIC,iBAAQ,cAAgBR,WAC/CD,OAAOC,YACPD,OAAOC,WAAWS,SAAQ,SAASR,UAC/BA,SAASK,SAGjBC,eAAeG"}
\ No newline at end of file
diff --git a/lib/amd/build/search-input.min.js b/lib/amd/build/search-input.min.js
index 5e2f8db12b9..dae28124226 100644
--- a/lib/amd/build/search-input.min.js
+++ b/lib/amd/build/search-input.min.js
@@ -1,2 +1,13 @@
-define ("core/search-input",["jquery"],function(a){var b=null,c=function(a){if(b.hasClass("expanded")){e()}else{d(a)}},d=function(c){var d=a(document).width();if("keydown"===c.type&&13!==c.keyCode&&32!==c.keyCode){return}if(767>=d&&("click"===c.type||"keydown"===c.type)){f();return}else if(767>=d){return}if("keydown"===c.type){c.preventDefault()}b.addClass("expanded");b.find("form").addClass("expanded");b.find("input").focus()},e=function(){b.removeClass("expanded");b.find("form").removeClass("expanded")},f=function(){b.find("form").submit()};return{init:function init(d){b=a("#"+d);b.on("click mouseover keydown","div",c)}}});
-//# sourceMappingURL=search-input.min.js.map
+/**
+ * Search box.
+ *
+ * @module     core/search-input
+ * @class      search-input
+ * @package    core
+ * @copyright  2016 David Monllao {@link http://www.davidmonllao.com}
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      Moodle 3.1
+ */
+define("core/search-input",["jquery"],(function($){var wrapper=null,toggleForm=function(ev){wrapper.hasClass("expanded")?hideForm():showForm(ev)},showForm=function(ev){var windowWidth=$(document).width();"keydown"===ev.type&&13!==ev.keyCode&&32!==ev.keyCode||(windowWidth<=767&&("click"===ev.type||"keydown"===ev.type)?submitForm():windowWidth<=767||("keydown"===ev.type&&ev.preventDefault(),wrapper.addClass("expanded"),wrapper.find("form").addClass("expanded"),wrapper.find("input").focus()))},hideForm=function(){wrapper.removeClass("expanded"),wrapper.find("form").removeClass("expanded")},submitForm=function(){wrapper.find("form").submit()};return{init:function(id){(wrapper=$("#"+id)).on("click mouseover keydown","div",toggleForm)}}}));
+
+//# sourceMappingURL=search-input.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/search-input.min.js.map b/lib/amd/build/search-input.min.js.map
index f6a55ed1d8e..a3aeb8694e3 100644
--- a/lib/amd/build/search-input.min.js.map
+++ b/lib/amd/build/search-input.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/search-input.js"],"names":["define","$","wrapper","toggleForm","ev","hasClass","hideForm","showForm","windowWidth","document","width","type","keyCode","submitForm","preventDefault","addClass","find","focus","removeClass","submit","init","id","on"],"mappings":"AAyBAA,OAAM,qBAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,IAOvBC,CAAAA,CAAO,CAAG,IAPa,CAgBvBC,CAAU,CAAG,SAASC,CAAT,CAAa,CAE1B,GAAIF,CAAO,CAACG,QAAR,CAAiB,UAAjB,CAAJ,CAAkC,CAC9BC,CAAQ,EACX,CAFD,IAEO,CACHC,CAAQ,CAACH,CAAD,CACX,CACJ,CAvB0B,CAgCvBG,CAAQ,CAAG,SAASH,CAAT,CAAa,CAExB,GAAII,CAAAA,CAAW,CAAGP,CAAC,CAACQ,QAAD,CAAD,CAAYC,KAAZ,EAAlB,CAGA,GAAgB,SAAZ,GAAAN,CAAE,CAACO,IAAH,EAAwC,EAAf,GAAAP,CAAE,CAACQ,OAA5B,EAA6D,EAAf,GAAAR,CAAE,CAACQ,OAArD,CAAqE,CACjE,MACH,CAED,GAAmB,GAAf,EAAAJ,CAAW,GAAwB,OAAZ,GAAAJ,CAAE,CAACO,IAAH,EAAmC,SAAZ,GAAAP,CAAE,CAACO,IAAtC,CAAf,CAA0E,CAEtEE,CAAU,GACV,MACH,CAJD,IAIO,IAAmB,GAAf,EAAAL,CAAJ,CAAwB,CAE3B,MACH,CAED,GAAgB,SAAZ,GAAAJ,CAAE,CAACO,IAAP,CAA2B,CAEvBP,CAAE,CAACU,cAAH,EACH,CAEDZ,CAAO,CAACa,QAAR,CAAiB,UAAjB,EACAb,CAAO,CAACc,IAAR,CAAa,MAAb,EAAqBD,QAArB,CAA8B,UAA9B,EACAb,CAAO,CAACc,IAAR,CAAa,OAAb,EAAsBC,KAAtB,EACH,CA1D0B,CAkEvBX,CAAQ,CAAG,UAAW,CACtBJ,CAAO,CAACgB,WAAR,CAAoB,UAApB,EACAhB,CAAO,CAACc,IAAR,CAAa,MAAb,EAAqBE,WAArB,CAAiC,UAAjC,CACH,CArE0B,CA8EvBL,CAAU,CAAG,UAAW,CACxBX,CAAO,CAACc,IAAR,CAAa,MAAb,EAAqBG,MAArB,EACH,CAhF0B,CAkF3B,MAA8C,CAS1CC,IAAI,CAAE,cAASC,CAAT,CAAa,CACfnB,CAAO,CAAGD,CAAC,CAAC,IAAMoB,CAAP,CAAX,CACAnB,CAAO,CAACoB,EAAR,CAAW,yBAAX,CAAsC,KAAtC,CAA6CnB,CAA7C,CACH,CAZyC,CAcjD,CAhGK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Search box.\n *\n * @module     core/search-input\n * @class      search-input\n * @package    core\n * @copyright  2016 David Monllao {@link http://www.davidmonllao.com}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      Moodle 3.1\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * This search box div node.\n     *\n     * @private\n     */\n    var wrapper = null;\n\n    /**\n     * Toggles the form visibility.\n     *\n     * @param {Event} ev\n     * @method toggleForm\n     * @private\n     */\n    var toggleForm = function(ev) {\n\n        if (wrapper.hasClass('expanded')) {\n            hideForm();\n        } else {\n            showForm(ev);\n        }\n    };\n\n    /**\n     * Shows the form or submits it depending on the window size.\n     *\n     * @param {Event} ev\n     * @method showForm\n     * @private\n     */\n    var showForm = function(ev) {\n\n        var windowWidth = $(document).width();\n\n        // We are only interested in enter and space keys (accessibility).\n        if (ev.type === 'keydown' && ev.keyCode !== 13 && ev.keyCode !== 32) {\n            return;\n        }\n\n        if (windowWidth <= 767 && (ev.type === 'click' || ev.type === 'keydown')) {\n            // Move to the search page when using small window sizes as the input requires too much space.\n            submitForm();\n            return;\n        } else if (windowWidth <= 767) {\n            // Ignore mousedown events in while using small window sizes.\n            return;\n        }\n\n        if (ev.type === 'keydown') {\n            // We don't want to submit the form unless the user hits enter.\n            ev.preventDefault();\n        }\n\n        wrapper.addClass('expanded');\n        wrapper.find('form').addClass('expanded');\n        wrapper.find('input').focus();\n    };\n\n    /**\n     * Hides the form.\n     *\n     * @method hideForm\n     * @private\n     */\n    var hideForm = function() {\n        wrapper.removeClass('expanded');\n        wrapper.find('form').removeClass('expanded');\n    };\n\n    /**\n     * Submits the form.\n     *\n     * @param {Event} ev\n     * @method submitForm\n     * @private\n     */\n    var submitForm = function() {\n        wrapper.find('form').submit();\n    };\n\n    return /** @alias module:core/search-input */ {\n        // Public variables and functions.\n\n        /**\n         * Assigns listeners to the requested select box.\n         *\n         * @method init\n         * @param {Number} id The search wrapper div id\n         */\n        init: function(id) {\n            wrapper = $('#' + id);\n            wrapper.on('click mouseover keydown', 'div', toggleForm);\n        }\n    };\n});\n"],"file":"search-input.min.js"}
\ No newline at end of file
+{"version":3,"file":"search-input.min.js","sources":["../src/search-input.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Search box.\n *\n * @module     core/search-input\n * @class      search-input\n * @package    core\n * @copyright  2016 David Monllao {@link http://www.davidmonllao.com}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      Moodle 3.1\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * This search box div node.\n     *\n     * @private\n     */\n    var wrapper = null;\n\n    /**\n     * Toggles the form visibility.\n     *\n     * @param {Event} ev\n     * @method toggleForm\n     * @private\n     */\n    var toggleForm = function(ev) {\n\n        if (wrapper.hasClass('expanded')) {\n            hideForm();\n        } else {\n            showForm(ev);\n        }\n    };\n\n    /**\n     * Shows the form or submits it depending on the window size.\n     *\n     * @param {Event} ev\n     * @method showForm\n     * @private\n     */\n    var showForm = function(ev) {\n\n        var windowWidth = $(document).width();\n\n        // We are only interested in enter and space keys (accessibility).\n        if (ev.type === 'keydown' && ev.keyCode !== 13 && ev.keyCode !== 32) {\n            return;\n        }\n\n        if (windowWidth <= 767 && (ev.type === 'click' || ev.type === 'keydown')) {\n            // Move to the search page when using small window sizes as the input requires too much space.\n            submitForm();\n            return;\n        } else if (windowWidth <= 767) {\n            // Ignore mousedown events in while using small window sizes.\n            return;\n        }\n\n        if (ev.type === 'keydown') {\n            // We don't want to submit the form unless the user hits enter.\n            ev.preventDefault();\n        }\n\n        wrapper.addClass('expanded');\n        wrapper.find('form').addClass('expanded');\n        wrapper.find('input').focus();\n    };\n\n    /**\n     * Hides the form.\n     *\n     * @method hideForm\n     * @private\n     */\n    var hideForm = function() {\n        wrapper.removeClass('expanded');\n        wrapper.find('form').removeClass('expanded');\n    };\n\n    /**\n     * Submits the form.\n     *\n     * @param {Event} ev\n     * @method submitForm\n     * @private\n     */\n    var submitForm = function() {\n        wrapper.find('form').submit();\n    };\n\n    return /** @alias module:core/search-input */ {\n        // Public variables and functions.\n\n        /**\n         * Assigns listeners to the requested select box.\n         *\n         * @method init\n         * @param {Number} id The search wrapper div id\n         */\n        init: function(id) {\n            wrapper = $('#' + id);\n            wrapper.on('click mouseover keydown', 'div', toggleForm);\n        }\n    };\n});\n"],"names":["define","$","wrapper","toggleForm","ev","hasClass","hideForm","showForm","windowWidth","document","width","type","keyCode","submitForm","preventDefault","addClass","find","focus","removeClass","submit","init","id","on"],"mappings":";;;;;;;;;;AAyBAA,2BAAO,CAAC,WAAW,SAASC,OAOpBC,QAAU,KASVC,WAAa,SAASC,IAElBF,QAAQG,SAAS,YACjBC,WAEAC,SAASH,KAWbG,SAAW,SAASH,QAEhBI,YAAcP,EAAEQ,UAAUC,QAGd,YAAZN,GAAGO,MAAqC,KAAfP,GAAGQ,SAAiC,KAAfR,GAAGQ,UAIjDJ,aAAe,MAAoB,UAAZJ,GAAGO,MAAgC,YAAZP,GAAGO,MAEjDE,aAEOL,aAAe,MAKV,YAAZJ,GAAGO,MAEHP,GAAGU,iBAGPZ,QAAQa,SAAS,YACjBb,QAAQc,KAAK,QAAQD,SAAS,YAC9Bb,QAAQc,KAAK,SAASC,WAStBX,SAAW,WACXJ,QAAQgB,YAAY,YACpBhB,QAAQc,KAAK,QAAQE,YAAY,aAUjCL,WAAa,WACbX,QAAQc,KAAK,QAAQG,gBAGqB,CAS1CC,KAAM,SAASC,KACXnB,QAAUD,EAAE,IAAMoB,KACVC,GAAG,0BAA2B,MAAOnB"}
\ No newline at end of file
diff --git a/lib/amd/build/sessionstorage.min.js b/lib/amd/build/sessionstorage.min.js
index 56af80cbb71..c59aa131d1b 100644
--- a/lib/amd/build/sessionstorage.min.js
+++ b/lib/amd/build/sessionstorage.min.js
@@ -1,2 +1,17 @@
-define ("core/sessionstorage",["core/config","core/storagewrapper"],function(a,b){var c=new b(window.sessionStorage);return{get:function get(a){return c.get(a)},set:function set(a,b){return c.set(a,b)}}});
-//# sourceMappingURL=sessionstorage.min.js.map
+/**
+ * Simple API for set/get to sessionstorage, with cacherev expiration.
+ *
+ * Session storage will only persist for as long as the browser window
+ * stays open.
+ *
+ * See:
+ * https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage
+ *
+ * @module     core/sessionstorage
+ * @package    core
+ * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/sessionstorage",["core/config","core/storagewrapper"],(function(config,StorageWrapper){var storage=new StorageWrapper(window.sessionStorage);return{get:function(key){return storage.get(key)},set:function(key,value){return storage.set(key,value)}}}));
+
+//# sourceMappingURL=sessionstorage.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/sessionstorage.min.js.map b/lib/amd/build/sessionstorage.min.js.map
index 524f088e9a9..eff2b1feb82 100644
--- a/lib/amd/build/sessionstorage.min.js.map
+++ b/lib/amd/build/sessionstorage.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/sessionstorage.js"],"names":["define","config","StorageWrapper","storage","window","sessionStorage","get","key","set","value"],"mappings":"AA6BAA,OAAM,uBAAC,CAAC,aAAD,CAAgB,qBAAhB,CAAD,CAAyC,SAASC,CAAT,CAAiBC,CAAjB,CAAiC,CAI5E,GAAIC,CAAAA,CAAO,CAAG,GAAID,CAAAA,CAAJ,CAAmBE,MAAM,CAACC,cAA1B,CAAd,CAEA,MAAgD,CAQ5CC,GAAG,CAAE,aAASC,CAAT,CAAc,CACf,MAAOJ,CAAAA,CAAO,CAACG,GAAR,CAAYC,CAAZ,CACV,CAV2C,CAoB5CC,GAAG,CAAE,aAASD,CAAT,CAAcE,CAAd,CAAqB,CACtB,MAAON,CAAAA,CAAO,CAACK,GAAR,CAAYD,CAAZ,CAAiBE,CAAjB,CACV,CAtB2C,CAyBnD,CA/BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Simple API for set/get to sessionstorage, with cacherev expiration.\n *\n * Session storage will only persist for as long as the browser window\n * stays open.\n *\n * See:\n * https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage\n *\n * @module     core/sessionstorage\n * @package    core\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/config', 'core/storagewrapper'], function(config, StorageWrapper) {\n\n    // Private functions and variables.\n    /** @var {Object} StorageWrapper - Wraps browsers sessionStorage object */\n    var storage = new StorageWrapper(window.sessionStorage);\n\n    return /** @alias module:core/sessionstorage */ {\n        /**\n         * Get a value from session storage. Remember - all values must be strings.\n         *\n         * @method get\n         * @param {string} key The cache key to check.\n         * @return {boolean|string} False if the value is not in the cache, or some other error - a string otherwise.\n         */\n        get: function(key) {\n            return storage.get(key);\n        },\n\n        /**\n         * Set a value to session storage. Remember - all values must be strings.\n         *\n         * @method set\n         * @param {string} key The cache key to set.\n         * @param {string} value The value to set.\n         * @return {boolean} False if the value can't be saved in the cache, or some other error - true otherwise.\n         */\n        set: function(key, value) {\n            return storage.set(key, value);\n        }\n\n    };\n});\n"],"file":"sessionstorage.min.js"}
\ No newline at end of file
+{"version":3,"file":"sessionstorage.min.js","sources":["../src/sessionstorage.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Simple API for set/get to sessionstorage, with cacherev expiration.\n *\n * Session storage will only persist for as long as the browser window\n * stays open.\n *\n * See:\n * https://developer.mozilla.org/en-US/docs/Web/API/Window/sessionStorage\n *\n * @module     core/sessionstorage\n * @package    core\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/config', 'core/storagewrapper'], function(config, StorageWrapper) {\n\n    // Private functions and variables.\n    /** @var {Object} StorageWrapper - Wraps browsers sessionStorage object */\n    var storage = new StorageWrapper(window.sessionStorage);\n\n    return /** @alias module:core/sessionstorage */ {\n        /**\n         * Get a value from session storage. Remember - all values must be strings.\n         *\n         * @method get\n         * @param {string} key The cache key to check.\n         * @return {boolean|string} False if the value is not in the cache, or some other error - a string otherwise.\n         */\n        get: function(key) {\n            return storage.get(key);\n        },\n\n        /**\n         * Set a value to session storage. Remember - all values must be strings.\n         *\n         * @method set\n         * @param {string} key The cache key to set.\n         * @param {string} value The value to set.\n         * @return {boolean} False if the value can't be saved in the cache, or some other error - true otherwise.\n         */\n        set: function(key, value) {\n            return storage.set(key, value);\n        }\n\n    };\n});\n"],"names":["define","config","StorageWrapper","storage","window","sessionStorage","get","key","set","value"],"mappings":";;;;;;;;;;;;;;AA6BAA,6BAAO,CAAC,cAAe,wBAAwB,SAASC,OAAQC,oBAIxDC,QAAU,IAAID,eAAeE,OAAOC,sBAEQ,CAQ5CC,IAAK,SAASC,YACHJ,QAAQG,IAAIC,MAWvBC,IAAK,SAASD,IAAKE,cACRN,QAAQK,IAAID,IAAKE"}
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diff --git a/lib/amd/build/showhidesettings.min.js b/lib/amd/build/showhidesettings.min.js
index b5d9844331f..e986d1d57d2 100644
--- a/lib/amd/build/showhidesettings.min.js
+++ b/lib/amd/build/showhidesettings.min.js
@@ -1,2 +1,10 @@
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-//# sourceMappingURL=showhidesettings.min.js.map
+/**
+ * Show/hide admin settings based on other settings selected
+ *
+ * @package core
+ * @copyright 2018 Davo Smith, Synergy Learning
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/showhidesettings",["jquery"],(function($){var dependencies;function isCheckboxHiddenElement($el){return $el.is("input[type=hidden]")&&$el.siblings('input[type=checkbox][name="'+$el.attr("name")+'"]').length}function isCheckedRelevant($el,value){return!isCheckboxHiddenElement($el)&&!function($el,value){return $el.is("input[type=radio]")&&$el.attr("value")!==value}($el,value)}function isUncheckedRadioButton($el){return $el.is("input[type=radio]")&&!$el.prop("checked")}function isUncheckedCheckbox($el){return $el.is("input[type=checkbox]")&&!$el.prop("checked")}function isMultiSelect($el){return $el.is("select")&&$el.prop("multiple")}function multiSelectMatches($el,values){var selected=$el.val()||[];if(!values.length)return!1;if(selected.length!==values.length)return!1;for(var i in selected)if(selected.hasOwnProperty(i)&&-1===values.indexOf(selected[i]))return!1;return!0}var depFns={notchecked:function($dependon,value){var hide=!1;return value=String(value),$dependon.each((function(idx,el){var $el=$(el);isCheckedRelevant($el,value)&&(hide=hide||!$el.prop("checked"))})),hide},checked:function($dependon,value){var hide=!1;return value=String(value),$dependon.each((function(idx,el){var $el=$(el);isCheckedRelevant($el,value)&&(hide=hide||$el.prop("checked"))})),hide},noitemselected:function($dependon){var hide=!1;return $dependon.each((function(idx,el){var $el=$(el);hide=hide||-1===$el.prop("selectedIndex")})),hide},eq:function($dependon,value){var hide=!1,hiddenVal=!1;return value=String(value),$dependon.each((function(idx,el){var $el=$(el);if(!isUncheckedRadioButton($el))if(isCheckboxHiddenElement($el))hiddenVal=$el.val()===value;else if(isUncheckedCheckbox($el))hide=hide||hiddenVal;else if(isMultiSelect($el)){var values=value.split("|");hide=multiSelectMatches($el,values)}else hide=hide||$el.val()===value})),hide},in:function($dependon,value){var hide=!1,hiddenVal=!1,values=value.split("|");return $dependon.each((function(idx,el){var $el=$(el);isUncheckedRadioButton($el)||(isCheckboxHiddenElement($el)?hiddenVal=values.indexOf($el.val())>-1:hide=isUncheckedCheckbox($el)?hide||hiddenVal:isMultiSelect($el)?multiSelectMatches($el,values):hide||values.indexOf($el.val())>-1)})),hide},defaultCondition:function($dependon,value){var hide=!1,hiddenVal=!1;return value=String(value),$dependon.each((function(idx,el){var $el=$(el);if(!isUncheckedRadioButton($el))if(isCheckboxHiddenElement($el))hiddenVal=$el.val()!==value;else if(isUncheckedCheckbox($el))hide=hide||hiddenVal;else if(isMultiSelect($el)){var values=value.split("|");hide=!multiSelectMatches($el,values)}else hide=hide||$el.val()!==value})),hide}};function getElementsByName(name){return $('[name="'+name+'"],[name^="'+name+'["]')}function updateDependencies(){var toHide={};$.each(dependencies,(function(dependonname){var dependon=getElementsByName(dependonname);$.each(dependencies[dependonname],(function(condition,values){$.each(values,(function(value,elements){var hide=function($dependon,condition,value){return"function"==typeof depFns[condition]?depFns[condition]($dependon,value):depFns.defaultCondition($dependon,value)}(dependon,condition,value);$.each(elements,(function(idx,elToHide){toHide.hasOwnProperty(elToHide)?toHide[elToHide]=toHide[elToHide]||hide:toHide[elToHide]=hide}))}))}))})),$.each(toHide,(function(elToHide,hide){getElementsByName(elToHide).each((function(idx,el){var $parent=$(el).closest(".form-item");$parent.length&&(hide?$parent.hide():$parent.show())}))}))}return{init:function(opts){dependencies=opts.dependencies,$.each(dependencies,(function(depname){var $el=getElementsByName(depname);$el.length&&$el.on("change",updateDependencies)})),updateDependencies(),$(".form-dependenton").hide()}}}));
+
+//# sourceMappingURL=showhidesettings.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/showhidesettings.min.js.map b/lib/amd/build/showhidesettings.min.js.map
index 676ac2b257d..cceb7e91b77 100644
--- a/lib/amd/build/showhidesettings.min.js.map
+++ b/lib/amd/build/showhidesettings.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"showhidesettings.min.js","sources":["../src/showhidesettings.js"],"sourcesContent":["/**\n * Show/hide admin settings based on other settings selected\n *\n * @package core\n * @copyright 2018 Davo Smith, Synergy Learning\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n    var dependencies;\n\n    // -------------------------------------------------\n    // Support functions, used by dependency functions.\n    // -------------------------------------------------\n\n    /**\n     * Check to see if the given element is the hidden element that makes sure checkbox\n     * elements always submit a value.\n     * @param {jQuery} $el\n     * @returns {boolean}\n     */\n    function isCheckboxHiddenElement($el) {\n        return ($el.is('input[type=hidden]') && $el.siblings('input[type=checkbox][name=\"' + $el.attr('name') + '\"]').length);\n    }\n\n    /**\n     * Check to see if this is a radio button with the wrong value (i.e. a radio button from\n     * the group we are interested in, but not the specific one we wanted).\n     * @param {jQuery} $el\n     * @param {string} value\n     * @returns {boolean}\n     */\n    function isWrongRadioButton($el, value) {\n        return ($el.is('input[type=radio]') && $el.attr('value') !== value);\n    }\n\n    /**\n     * Is this element relevant when we're looking for checked / not checked status?\n     * @param {jQuery} $el\n     * @param {string} value\n     * @returns {boolean}\n     */\n    function isCheckedRelevant($el, value) {\n        return (!isCheckboxHiddenElement($el) && !isWrongRadioButton($el, value));\n    }\n\n    /**\n     * Is this an unchecked radio button? 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selected = $el.val() || [];\n        if (!values.length) {\n            // No values - nothing to match against.\n            return false;\n        }\n        if (selected.length !== values.length) {\n            // Different number of expected and actual values - cannot possibly be a match.\n            return false;\n        }\n        for (var i in selected) {\n            if (selected.hasOwnProperty(i)) {\n                if (values.indexOf(selected[i]) === -1) {\n                    return false; // Found a non-matching value - give up immediately.\n                }\n            }\n        }\n        // Didn't find a non-matching value, so we have a match.\n        return true;\n    }\n\n    // -------------------------------\n    // Specific dependency functions.\n    // -------------------------------\n\n    var depFns = {\n        notchecked: function($dependon, value) {\n            var hide = false;\n            value = String(value);\n            $dependon.each(function(idx, el) {\n                var $el = $(el);\n                if (isCheckedRelevant($el, value)) {\n                    hide = hide || !$el.prop('checked');\n                }\n            });\n            return hide;\n        },\n\n        checked: function($dependon, value) {\n            var hide = false;\n            value = String(value);\n            $dependon.each(function(idx, el) {\n                var $el = $(el);\n                if (isCheckedRelevant($el, value)) {\n                    hide = hide || $el.prop('checked');\n                }\n            });\n            return hide;\n        },\n\n        noitemselected: function($dependon) {\n            var hide = false;\n            $dependon.each(function(idx, el) {\n                var $el = $(el);\n                hide = hide || ($el.prop('selectedIndex') === -1);\n            });\n            return hide;\n        },\n\n        eq: function($dependon, value) {\n            var hide = false;\n  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diff --git a/lib/amd/build/sortable_list.min.js b/lib/amd/build/sortable_list.min.js
index 56ef0286288..3b0d1aff098 100644
--- a/lib/amd/build/sortable_list.min.js
+++ b/lib/amd/build/sortable_list.min.js
@@ -1,2 +1,48 @@
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e=d.offset();d.addClass(j.currentPositionClass);this.proxyDelta={x:e.left-a.pageX,y:e.top-a.pageY};this.proxy=b();var f=this.dragCounter;setTimeout(b.proxy(function(){if(null===this.info||"click"===this.info.type||"keypress"===this.info.type||this.dragCounter!==f){return}this.createProxy()},this),500);b(window).on("mousemove touchmove.notPassive mouseup touchend.notPassive",b.proxy(this.dragHandler,this));b(window).on("keypress",b.proxy(this.dragcancelHandler,this));if(this.config.autoScroll){c.start(function(){b(window).trigger("mousemove")})}this.executeCallback(l.EVENTS.DRAGSTART)};l.prototype.createProxy=function(){this.proxy=this.info.element.clone();this.info.sourceList.append(this.proxy);this.proxy.removeAttr("id").removeClass(j.currentPositionClass).addClass(j.isDraggedClass).css({position:"fixed"});this.proxy.offset({top:this.proxyDelta.y+this.lastEvent.pageY,left:this.proxyDelta.x+this.lastEvent.pageX})};l.prototype.clickHandler=function(a){if("keypress"===a.type&&13!==a.originalEvent.keyCode&&32!==a.originalEvent.keyCode){return}if(null!==this.info){return}var c=b(a.target).closest(this.config.moveHandlerSelector),d=c.closest(this.config.listSelector),e=c.closest(d.children());if(!e.length){return}a.preventDefault();a.stopPropagation();this.dragCounter++;this.info={element:e,sourceNextElement:e.next(),sourceList:d,targetNextElement:e.next(),targetList:d,dropped:!1,type:a.type,startTime:new Date().getTime()};this.executeCallback(l.EVENTS.DRAGSTART);this.displayMoveDialogue(c)};l.prototype.getPositionInNode=function(a,b,c){if(!c.length){return null}var d=c[0],e=d.getBoundingClientRect(),f=b-(e.top+window.scrollY),g=a-(e.left+window.scrollX);if(g>=-0&&g<=e.width+0&&f>=-0&&f<=e.height+0){return{x:g,y:f,xRatio:e.width?g/e.width:0,yRatio:e.height?f/e.height:0}}return null};l.prototype.isListHorizontal=function(a){var b=this.config.isHorizontal;if(!0===b||!1===b){return b}return b(a)};l.prototype.dragHandler=function(a){a.preventDefault();a.stopPropagation();this.calculatePositionOnPage(a);this.proxy.offset({top:-1e3,left:-1e3});var c=b(document.elementFromPoint(a.clientX,a.clientY)),d=this.info.element[0],e=function(){return this!==d},f=c.closest("."+j.targetListClass+" > :not(."+j.isDraggedClass+")").filter(e),g=c.closest("."+j.targetListClass),h=this.proxy,i=function(){return!h||!h.length||this!==h[0]};b("."+j.overElementClass).removeClass(j.overElementClass);f.addClass(j.overElementClass);this.proxy.offset({top:this.proxyDelta.y+a.pageY,left:this.proxyDelta.x+a.pageX});if(g.length&&!g.children().filter(i).length){this.moveElement(g,b())}else if(1===f.length&&!this.info.element.find(f[0]).length){var k=this.getPositionInNode(a.pageX,a.pageY,f);if(k){var m=f.parent(),n=this.isListHorizontal(m)?k.xRatio:k.yRatio,o=f.find("."+j.targetListClass),p=!o.children().filter(i).filter(e).length;if(o.length&&p&&.2<n&&.8>n){this.moveElement(o,b())}else if(.5<n){this.moveElement(m,f.next().filter(i))}else{this.moveElement(m,f)}}}if("mouseup"===a.type||"touchend"===a.type){this.info.endX=a.pageX;this.info.endY=a.pageY;this.info.endTime=new Date().getTime();this.info.dropped=!0;this.info.positionChanged=this.hasPositionChanged(this.info);var q=this.info;this.executeCallback(l.EVENTS.DROP);this.finishDragging();if("touchend"===a.type&&null!==this.config.moveHandlerSelector&&500>q.endTime-q.startTime&&!q.positionChanged){this.clickHandler(a)}}};l.prototype.hasPositionChanged=function(a){return a.sourceList[0]!==a.targetList[0]||a.sourceNextElement.length!==a.targetNextElement.length||a.sourceNextElement.length&&a.sourceNextElement[0]!==a.targetNextElement[0]};l.prototype.moveElement=function(a,b){var c=this.info.element;if(b.length&&b[0]===c[0]){return}if(a[0]===this.info.targetList[0]&&b.length===this.info.targetNextElement.length&&b[0]===this.info.targetNextElement[0]){return}if(b.length){a[0].insertBefore(c[0],b[0])}else if(this.proxy&&this.proxy.parent().length&&this.proxy.parent()[0]===a[0]){a[0].insertBefore(c[0],this.proxy[0])}else{a[0].appendChild(c[0])}this.info.targetList=a;this.info.targetNextElement=b;this.executeCallback(l.EVENTS.DRAG)};l.prototype.finishDragging=function(){this.resetDraggedClasses();if(this.config.autoScroll){c.stop()}b(window).off("mousemove touchmove.notPassive mouseup touchend.notPassive",b.proxy(this.dragHandler,this));b(window).off("keypress",b.proxy(this.dragcancelHandler,this));this.executeCallback(l.EVENTS.DRAGEND);this.info=null};l.prototype.executeCallback=function(a){this.info.element.trigger(a,this.info)};l.prototype.dragcancelHandler=function(a){if("keypress"!==a.type||27!==a.originalEvent.keyCode){return}this.moveElement(this.info.sourceList,this.info.sourceNextElement);this.finishDragging()};l.prototype.getElementName=function(a){return b.Deferred().resolve(a.text())};l.prototype.getDestinationName=function(a,b){if(!b.length){return d.get_string("movecontenttothetop","moodle")}else{return this.getElementName(b).then(function(a){return d.get_string("movecontentafter","moodle",a)})}};l.prototype.getMoveDialogueTitle=function(a,c){if(c.attr("title")){return b.Deferred().resolve(c.attr("title"))}return this.getElementName(a).then(function(a){return d.get_string("movecontent","moodle",a)})};l.prototype.getDestinationsList=function(){var a=[],c=b(this.config.targetListSelector),d=b("<ul/>").addClass(j.keyboardDragClass),e=b.when().then(function(){return d}),f=b.proxy(function(c,f,g){if(f.is(this.info.element)||g.is(this.info.element)){return}if(b.contains(this.info.element[0],c[0])){return}e=e.then(b.proxy(function(){return this.getDestinationName(c,g)},this)).then(function(e){var g=b("<li/>").appendTo(d),h=b("<a href=\"#\"/>").attr("data-core_sortable_list-quickmove",1).appendTo(g);h.data("parent-element",c).data("before-element",f).text(e);return d})},this),g=function(){if(-1!==b.inArray(this,a)){return}a.push(this);var d=b(this),e=d.children();e.each(function(){var a=b(this);f(d,a,a.prev());a.find(c).each(g)});f(d,b(),e.last())};c.each(g);return e};l.prototype.displayMoveDialogue=function(a){e.create({type:e.types.CANCEL,title:this.getMoveDialogueTitle(this.info.element,a),body:this.getDestinationsList()}).then(b.proxy(function(c){var d=b.proxy(function(d){d.preventDefault();d.stopPropagation();this.moveElement(b(d.currentTarget).data("parent-element"),b(d.currentTarget).data("before-element"));this.info.endTime=new Date().getTime();this.info.positionChanged=this.hasPositionChanged(this.info);this.info.dropped=!0;a.focus();this.executeCallback(l.EVENTS.DROP);c.hide()},this);c.getRoot().on("click","[data-core_sortable_list-quickmove]",d);c.getRoot().on(f.hidden,b.proxy(function(){c.getRoot().off("click","[data-core_sortable_list-quickmove]",d);c.destroy();this.finishDragging()},this));c.setLarge();c.show();return c},this)).catch(g.exception)};return l});
-//# sourceMappingURL=sortable_list.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * A javascript module to handle list items drag and drop
+ *
+ * Example of usage:
+ *
+ * Create a list (for example <ul> or <tbody>) where each draggable element has a drag handle.
+ * The best practice is to use the template core/drag_handle:
+ * $OUTPUT->render_from_template('core/drag_handle', ['movetitle' => get_string('movecontent', 'moodle', ELEMENTNAME)]);
+ *
+ * Attach this JS module to this list:
+ *
+ * Space between define and ( critical in comment but not allowed in code in order to function
+ * correctly with Moodle's requirejs.php
+ *
+ * define (['jquery', 'core/sortable_list'], function($, SortableList) {
+ *     var list = new SortableList('ul.my-awesome-list'); // source list (usually <ul> or <tbody>) - selector or element
+ *
+ *     // Listen to the events when element is dragged.
+ *     $('ul.my-awesome-list > *').on(SortableList.EVENTS.DROP, function(evt, info) {
+ *         console.log(info);
+ *     });
+ *
+ *     // Advanced usage. Overwrite methods getElementName, getDestinationName, moveDialogueTitle, for example:
+ *     list.getElementName = function(element) {
+ *         return $.Deferred().resolve(element.attr('data-name'));
+ *     }
+ * }
+ *
+ * More details: https://docs.moodle.org/dev/Sortable_list
+ *
+ * For the full list of possible parameters see var defaultParameters below.
+ *
+ * The following jQuery events are fired:
+ * - SortableList.EVENTS.DRAGSTART : when user started dragging a list element
+ * - SortableList.EVENTS.DRAG : when user dragged a list element to a new position
+ * - SortableList.EVENTS.DROP : when user dropped a list element
+ * - SortableList.EVENTS.DROPEND : when user finished dragging - either fired right after dropping or
+ *                          if "Esc" was pressed during dragging
+ *
+ * @module     core/sortable_list
+ * @class      sortable_list
+ * @package    core
+ * @copyright  2018 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */}define("core/sortable_list",["jquery","core/log","core/autoscroll","core/str","core/modal_factory","core/modal_events","core/notification"],(function($,log,autoScroll,str,ModalFactory,ModalEvents,Notification){var defaultParameters={targetListSelector:null,moveHandlerSelector:"[data-drag-type=move]",isHorizontal:!1,autoScroll:!0},CSS_keyboardDragClass="dragdrop-keyboard-drag",CSS_isDraggedClass="sortable-list-is-dragged",CSS_currentPositionClass="sortable-list-current-position",CSS_targetListClass="sortable-list-target",CSS_overElementClass="sortable-list-over-element",registerNotPassiveListeners=function(eventname){return{setup:function(x,ns,handle){return!!ns.includes("notPassive")&&(this.addEventListener(eventname,handle,{passive:!1}),!0)}}};(function(){var options,passivesupported=!1;try{options=Object.defineProperty({},"passive",{get:function(){passivesupported=!0}}),document.addEventListener("testpassiveeventoptions",options,options),document.removeEventListener("testpassiveeventoptions",options,options)}catch(err){passivesupported=!1}return passivesupported})&&($.event.special.touchstart=registerNotPassiveListeners("touchstart"),$.event.special.touchmove=registerNotPassiveListeners("touchmove"),$.event.special.touchend=registerNotPassiveListeners("touchend"));var SortableList=function(root,config){this.info=null,this.proxy=null,this.proxyDelta=null,this.dragCounter=0,this.lastEvent=null,this.config=$.extend({},defaultParameters,config||{}),this.config.listSelector=root,this.config.targetListSelector||(this.config.targetListSelector=root),"object"===_typeof(this.config.listSelector)?$(this.config.listSelector).on("mousedown touchstart.notPassive",$.proxy(this.dragStartHandler,this)):$("body").on("mousedown touchstart.notPassive",this.config.listSelector,$.proxy(this.dragStartHandler,this)),null!==this.config.moveHandlerSelector&&$("body").on("click keypress",this.config.moveHandlerSelector,$.proxy(this.clickHandler,this))};return SortableList.EVENTS={DRAGSTART:"sortablelist-dragstart",DRAG:"sortablelist-drag",DROP:"sortablelist-drop",DRAGEND:"sortablelist-dragend"},SortableList.prototype.resetDraggedClasses=function(){var classes=[CSS_isDraggedClass,CSS_currentPositionClass,CSS_overElementClass,CSS_targetListClass];for(var i in classes)$("."+classes[i]).removeClass(classes[i]);this.proxy&&(this.proxy.remove(),this.proxy=$())},SortableList.prototype.calculatePositionOnPage=function(evt){if(evt.originalEvent&&evt.originalEvent.touches&&void 0!==evt.originalEvent.touches[0]){var touch=evt.originalEvent.touches[0];evt.pageX=touch.pageX,evt.pageY=touch.pageY}void 0===evt.pageX?(evt.pageX=this.lastEvent.pageX,evt.pageY=this.lastEvent.pageY):this.lastEvent=evt,void 0===evt.clientX&&(evt.clientX=Math.round(evt.pageX-$(window).scrollLeft()),evt.clientY=Math.round(evt.pageY-$(window).scrollTop()))},SortableList.prototype.dragStartHandler=function(evt){if(null!==this.info){if("click"===this.info.type||"touchend"===this.info.type)return;this.moveElement(this.info.sourceList,this.info.sourceNextElement),this.finishDragging()}if("mousedown"!==evt.type||1===evt.which){this.calculatePositionOnPage(evt);var movedElement=$(evt.target).closest($(evt.currentTarget).children());if(movedElement.length&&(null===this.config.moveHandlerSelector||$(evt.target).closest(this.config.moveHandlerSelector,movedElement).length)){evt.stopPropagation(),evt.preventDefault(),this.dragCounter++,this.info={element:movedElement,sourceNextElement:movedElement.next(),sourceList:movedElement.parent(),targetNextElement:movedElement.next(),targetList:movedElement.parent(),type:evt.type,dropped:!1,startX:evt.pageX,startY:evt.pageY,startTime:(new Date).getTime()},$(this.config.targetListSelector).addClass(CSS_targetListClass);var offset=movedElement.offset();movedElement.addClass(CSS_currentPositionClass),this.proxyDelta={x:offset.left-evt.pageX,y:offset.top-evt.pageY},this.proxy=$();var thisDragCounter=this.dragCounter;setTimeout($.proxy((function(){null!==this.info&&"click"!==this.info.type&&"keypress"!==this.info.type&&this.dragCounter===thisDragCounter&&this.createProxy()}),this),500),$(window).on("mousemove touchmove.notPassive mouseup touchend.notPassive",$.proxy(this.dragHandler,this)),$(window).on("keypress",$.proxy(this.dragcancelHandler,this)),this.config.autoScroll&&autoScroll.start((function(){$(window).trigger("mousemove")})),this.executeCallback(SortableList.EVENTS.DRAGSTART)}}},SortableList.prototype.createProxy=function(){this.proxy=this.info.element.clone(),this.info.sourceList.append(this.proxy),this.proxy.removeAttr("id").removeClass(CSS_currentPositionClass).addClass(CSS_isDraggedClass).css({position:"fixed"}),this.proxy.offset({top:this.proxyDelta.y+this.lastEvent.pageY,left:this.proxyDelta.x+this.lastEvent.pageX})},SortableList.prototype.clickHandler=function(evt){if(("keypress"!==evt.type||13===evt.originalEvent.keyCode||32===evt.originalEvent.keyCode)&&null===this.info){var clickedElement=$(evt.target).closest(this.config.moveHandlerSelector),sourceList=clickedElement.closest(this.config.listSelector),movedElement=clickedElement.closest(sourceList.children());movedElement.length&&(evt.preventDefault(),evt.stopPropagation(),this.dragCounter++,this.info={element:movedElement,sourceNextElement:movedElement.next(),sourceList:sourceList,targetNextElement:movedElement.next(),targetList:sourceList,dropped:!1,type:evt.type,startTime:(new Date).getTime()},this.executeCallback(SortableList.EVENTS.DRAGSTART),this.displayMoveDialogue(clickedElement))}},SortableList.prototype.getPositionInNode=function(pageX,pageY,element){if(!element.length)return null;var rect=element[0].getBoundingClientRect(),y=pageY-(rect.top+window.scrollY),x=pageX-(rect.left+window.scrollX);return x>=-0&&x<=rect.width+0&&y>=-0&&y<=rect.height+0?{x:x,y:y,xRatio:rect.width?x/rect.width:0,yRatio:rect.height?y/rect.height:0}:null},SortableList.prototype.isListHorizontal=function(element){var isHorizontal=this.config.isHorizontal;return!0===isHorizontal||!1===isHorizontal?isHorizontal:isHorizontal(element)},SortableList.prototype.dragHandler=function(evt){evt.preventDefault(),evt.stopPropagation(),this.calculatePositionOnPage(evt),this.proxy.offset({top:-1e3,left:-1e3});var element=$(document.elementFromPoint(evt.clientX,evt.clientY)),mainElement=this.info.element[0],isNotSelf=function(){return this!==mainElement},current=element.closest("."+CSS_targetListClass+" > :not(."+CSS_isDraggedClass+")").filter(isNotSelf),currentList=element.closest("."+CSS_targetListClass),proxy=this.proxy,isNotProxy=function(){return!proxy||!proxy.length||this!==proxy[0]};if($("."+CSS_overElementClass).removeClass(CSS_overElementClass),current.addClass(CSS_overElementClass),this.proxy.offset({top:this.proxyDelta.y+evt.pageY,left:this.proxyDelta.x+evt.pageX}),currentList.length&&!currentList.children().filter(isNotProxy).length)this.moveElement(currentList,$());else if(1===current.length&&!this.info.element.find(current[0]).length){var coordinates=this.getPositionInNode(evt.pageX,evt.pageY,current);if(coordinates){var parent=current.parent(),ratio=this.isListHorizontal(parent)?coordinates.xRatio:coordinates.yRatio,subList=current.find("."+CSS_targetListClass),subListEmpty=!subList.children().filter(isNotProxy).filter(isNotSelf).length;subList.length&&subListEmpty&&ratio>.2&&ratio<.8?this.moveElement(subList,$()):ratio>.5?this.moveElement(parent,current.next().filter(isNotProxy)):this.moveElement(parent,current)}}if("mouseup"===evt.type||"touchend"===evt.type){this.info.endX=evt.pageX,this.info.endY=evt.pageY,this.info.endTime=(new Date).getTime(),this.info.dropped=!0,this.info.positionChanged=this.hasPositionChanged(this.info);var oldinfo=this.info;this.executeCallback(SortableList.EVENTS.DROP),this.finishDragging(),"touchend"===evt.type&&null!==this.config.moveHandlerSelector&&oldinfo.endTime-oldinfo.startTime<500&&!oldinfo.positionChanged&&this.clickHandler(evt)}},SortableList.prototype.hasPositionChanged=function(info){return info.sourceList[0]!==info.targetList[0]||info.sourceNextElement.length!==info.targetNextElement.length||info.sourceNextElement.length&&info.sourceNextElement[0]!==info.targetNextElement[0]},SortableList.prototype.moveElement=function(parentElement,beforeElement){var dragEl=this.info.element;beforeElement.length&&beforeElement[0]===dragEl[0]||parentElement[0]===this.info.targetList[0]&&beforeElement.length===this.info.targetNextElement.length&&beforeElement[0]===this.info.targetNextElement[0]||(beforeElement.length?parentElement[0].insertBefore(dragEl[0],beforeElement[0]):this.proxy&&this.proxy.parent().length&&this.proxy.parent()[0]===parentElement[0]?parentElement[0].insertBefore(dragEl[0],this.proxy[0]):parentElement[0].appendChild(dragEl[0]),this.info.targetList=parentElement,this.info.targetNextElement=beforeElement,this.executeCallback(SortableList.EVENTS.DRAG))},SortableList.prototype.finishDragging=function(){this.resetDraggedClasses(),this.config.autoScroll&&autoScroll.stop(),$(window).off("mousemove touchmove.notPassive mouseup touchend.notPassive",$.proxy(this.dragHandler,this)),$(window).off("keypress",$.proxy(this.dragcancelHandler,this)),this.executeCallback(SortableList.EVENTS.DRAGEND),this.info=null},SortableList.prototype.executeCallback=function(eventName){this.info.element.trigger(eventName,this.info)},SortableList.prototype.dragcancelHandler=function(evt){"keypress"===evt.type&&27===evt.originalEvent.keyCode&&(this.moveElement(this.info.sourceList,this.info.sourceNextElement),this.finishDragging())},SortableList.prototype.getElementName=function(element){return $.Deferred().resolve(element.text())},SortableList.prototype.getDestinationName=function(parentElement,afterElement){return afterElement.length?this.getElementName(afterElement).then((function(name){return str.get_string("movecontentafter","moodle",name)})):str.get_string("movecontenttothetop","moodle")},SortableList.prototype.getMoveDialogueTitle=function(element,handler){return handler.attr("title")?$.Deferred().resolve(handler.attr("title")):this.getElementName(element).then((function(name){return str.get_string("movecontent","moodle",name)}))},SortableList.prototype.getDestinationsList=function(){var addedLists=[],targets=$(this.config.targetListSelector),destinations=$("<ul/>").addClass(CSS_keyboardDragClass),result=$.when().then((function(){return destinations})),createLink=$.proxy((function(parentElement,beforeElement,afterElement){beforeElement.is(this.info.element)||afterElement.is(this.info.element)||$.contains(this.info.element[0],parentElement[0])||(result=result.then($.proxy((function(){return this.getDestinationName(parentElement,afterElement)}),this)).then((function(txt){var li=$("<li/>").appendTo(destinations);return $('<a href="#"/>').attr("data-core_sortable_list-quickmove",1).appendTo(li).data("parent-element",parentElement).data("before-element",beforeElement).text(txt),destinations})))}),this);return targets.each((function addList(){if(-1===$.inArray(this,addedLists)){addedLists.push(this);var list=$(this),children=list.children();children.each((function(){var element=$(this);createLink(list,element,element.prev()),element.find(targets).each(addList)})),createLink(list,$(),children.last())}})),result},SortableList.prototype.displayMoveDialogue=function(clickedElement){ModalFactory.create({type:ModalFactory.types.CANCEL,title:this.getMoveDialogueTitle(this.info.element,clickedElement),body:this.getDestinationsList()}).then($.proxy((function(modal){var quickMoveHandler=$.proxy((function(e){e.preventDefault(),e.stopPropagation(),this.moveElement($(e.currentTarget).data("parent-element"),$(e.currentTarget).data("before-element")),this.info.endTime=(new Date).getTime(),this.info.positionChanged=this.hasPositionChanged(this.info),this.info.dropped=!0,clickedElement.focus(),this.executeCallback(SortableList.EVENTS.DROP),modal.hide()}),this);return modal.getRoot().on("click","[data-core_sortable_list-quickmove]",quickMoveHandler),modal.getRoot().on(ModalEvents.hidden,$.proxy((function(){modal.getRoot().off("click","[data-core_sortable_list-quickmove]",quickMoveHandler),modal.destroy(),this.finishDragging()}),this)),modal.setLarge(),modal.show(),modal}),this)).catch(Notification.exception)},SortableList}));
+
+//# sourceMappingURL=sortable_list.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/sortable_list.min.js.map b/lib/amd/build/sortable_list.min.js.map
index 04290c4680c..762ad614aca 100644
--- a/lib/amd/build/sortable_list.min.js.map
+++ b/lib/amd/build/sortable_list.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle list items drag and drop\n *\n * Example of usage:\n *\n * Create a list (for example <ul> or <tbody>) where each draggable element has a drag handle.\n * The best practice is to use the template core/drag_handle:\n * $OUTPUT->render_from_template('core/drag_handle', ['movetitle' => get_string('movecontent', 'moodle', ELEMENTNAME)]);\n *\n * Attach this JS module to this list:\n *\n * Space between define and ( critical in comment but not allowed in code in order to function\n * correctly with Moodle's requirejs.php\n *\n * define (['jquery', 'core/sortable_list'], function($, SortableList) {\n *     var list = new SortableList('ul.my-awesome-list'); // source list (usually <ul> or <tbody>) - selector or element\n *\n *     // Listen to the events when element is dragged.\n *     $('ul.my-awesome-list > *').on(SortableList.EVENTS.DROP, function(evt, info) {\n *         console.log(info);\n *     });\n *\n *     // Advanced usage. Overwrite methods getElementName, getDestinationName, moveDialogueTitle, for example:\n *     list.getElementName = function(element) {\n *         return $.Deferred().resolve(element.attr('data-name'));\n *     }\n * }\n *\n * More details: https://docs.moodle.org/dev/Sortable_list\n *\n * For the full list of possible parameters see var defaultParameters below.\n *\n * The following jQuery events are fired:\n * - SortableList.EVENTS.DRAGSTART : when user started dragging a list element\n * - SortableList.EVENTS.DRAG : when user dragged a list element to a new position\n * - SortableList.EVENTS.DROP : when user dropped a list element\n * - SortableList.EVENTS.DROPEND : when user finished dragging - either fired right after dropping or\n *                          if \"Esc\" was pressed during dragging\n *\n * @module     core/sortable_list\n * @class      sortable_list\n * @package    core\n * @copyright  2018 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/log', 'core/autoscroll', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/notification'],\nfunction($, log, autoScroll, str, ModalFactory, ModalEvents, Notification) {\n\n    /**\n     * Default parameters\n     *\n     * @private\n     * @type {Object}\n     */\n    var defaultParameters = {\n        targetListSelector: null,\n        moveHandlerSelector: '[data-drag-type=move]',\n        isHorizontal: false,\n        autoScroll: true\n    };\n\n    /**\n     * Class names for different elements that may be changed during sorting\n     *\n     * @private\n     * @type {Object}\n     */\n    var CSS = {\n        keyboardDragClass: 'dragdrop-keyboard-drag',\n        isDraggedClass: 'sortable-list-is-dragged',\n        currentPositionClass: 'sortable-list-current-position',\n        sourceListClass: 'sortable-list-source',\n        targetListClass: 'sortable-list-target',\n        overElementClass: 'sortable-list-over-element'\n    };\n\n    /**\n     * Test the browser support for options objects on event listeners.\n     * @return {Boolean}\n     */\n    var eventListenerOptionsSupported = function() {\n        var passivesupported = false,\n            options,\n            testeventname = \"testpassiveeventoptions\";\n\n        // Options support testing example from:\n        // https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n\n        try {\n            options = Object.defineProperty({}, \"passive\", {\n                get: function() {\n                    passivesupported = true;\n                }\n            });\n\n            // We use an event name that is not likely to conflict with any real event.\n            document.addEventListener(testeventname, options, options);\n            // We remove the event listener as we have tested the options already.\n            document.removeEventListener(testeventname, options, options);\n        } catch (err) {\n            // It's already false.\n            passivesupported = false;\n        }\n        return passivesupported;\n    };\n\n    /**\n     * Allow to create non-passive touchstart listeners and prevent page scrolling when dragging\n     * From: https://stackoverflow.com/a/48098097\n     *\n     * @type {Object}\n     */\n    var registerNotPassiveListeners = function(eventname) {\n        return {\n            setup: function(x, ns, handle) {\n                if (ns.includes('notPassive')) {\n                    this.addEventListener(eventname, handle, {passive: false});\n                    return true;\n                } else {\n                    return false;\n                }\n            }\n        };\n    };\n\n    if (eventListenerOptionsSupported) {\n        $.event.special.touchstart = registerNotPassiveListeners('touchstart');\n        $.event.special.touchmove = registerNotPassiveListeners('touchmove');\n        $.event.special.touchend = registerNotPassiveListeners('touchend');\n    }\n\n    /**\n     * Initialise sortable list.\n     *\n     * @param {(String|jQuery|Element)} root JQuery/DOM element representing sortable list (i.e. <ul>, <tbody>) or CSS selector\n     * @param {Object} config Parameters for the list. See defaultParameters above for examples.\n     * @property {(String|jQuery|Element)} config.targetListSelector target lists, by default same as root\n     * @property {String} config.moveHandlerSelector  CSS selector for a drag handle. By default '[data-drag-type=move]'\n     * @property {String} config.targetListSelector   CSS selector for target lists. By default the same as root\n     * @property {(Boolean|Function)} config.isHorizontal Set to true if the list is horizontal\n     *                                                (can also be a callback with list as an argument)\n     * @property {Boolean} config.autoScroll          Engages autoscroll module for automatic vertical scrolling of the\n     *                                                whole page, by default true\n     */\n    var SortableList = function(root, config) {\n\n        this.info = null;\n        this.proxy = null;\n        this.proxyDelta = null;\n        this.dragCounter = 0;\n        this.lastEvent = null;\n\n        this.config = $.extend({}, defaultParameters, config || {});\n        this.config.listSelector = root;\n        if (!this.config.targetListSelector) {\n            this.config.targetListSelector = root;\n        }\n        if (typeof this.config.listSelector === 'object') {\n            // The root is an element on the page. Register a listener for this element.\n            $(this.config.listSelector).on('mousedown touchstart.notPassive', $.proxy(this.dragStartHandler, this));\n        } else {\n            // The root is a CSS selector. Register a listener that picks up the element dynamically.\n            $('body').on('mousedown touchstart.notPassive', this.config.listSelector, $.proxy(this.dragStartHandler, this));\n        }\n        if (this.config.moveHandlerSelector !== null) {\n            $('body').on('click keypress', this.config.moveHandlerSelector, $.proxy(this.clickHandler, this));\n        }\n\n    };\n\n    /**\n     * Events fired by this entity\n     *\n     * @public\n     * @type {Object}\n     */\n    SortableList.EVENTS = {\n        DRAGSTART: 'sortablelist-dragstart',\n        DRAG: 'sortablelist-drag',\n        DROP: 'sortablelist-drop',\n        DRAGEND: 'sortablelist-dragend'\n    };\n\n    /**\n     * Resets the temporary classes assigned during dragging\n     * @private\n     */\n     SortableList.prototype.resetDraggedClasses = function() {\n        var classes = [\n            CSS.isDraggedClass,\n            CSS.currentPositionClass,\n            CSS.overElementClass,\n            CSS.targetListClass,\n        ];\n        for (var i in classes) {\n            $('.' + classes[i]).removeClass(classes[i]);\n        }\n        if (this.proxy) {\n            this.proxy.remove();\n            this.proxy = $();\n        }\n    };\n\n    /**\n     * Calculates evt.pageX, evt.pageY, evt.clientX and evt.clientY\n     *\n     * For touch events pageX and pageY are taken from the first touch;\n     * For the emulated mousemove event they are taken from the last real event.\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.calculatePositionOnPage = function(evt) {\n\n        if (evt.originalEvent && evt.originalEvent.touches && evt.originalEvent.touches[0] !== undefined) {\n            // This is a touchmove or touchstart event, get position from the first touch position.\n            var touch = evt.originalEvent.touches[0];\n            evt.pageX = touch.pageX;\n            evt.pageY = touch.pageY;\n        }\n\n        if (evt.pageX === undefined) {\n            // Information is not present in case of touchend or when event was emulated by autoScroll.\n            // Take the absolute mouse position from the last event.\n            evt.pageX = this.lastEvent.pageX;\n            evt.pageY = this.lastEvent.pageY;\n        } else {\n            this.lastEvent = evt;\n        }\n\n        if (evt.clientX === undefined) {\n            // If not provided in event calculate relative mouse position.\n            evt.clientX = Math.round(evt.pageX - $(window).scrollLeft());\n            evt.clientY = Math.round(evt.pageY - $(window).scrollTop());\n        }\n    };\n\n    /**\n     * Handler from dragstart event\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragStartHandler = function(evt) {\n        if (this.info !== null) {\n            if (this.info.type === 'click' || this.info.type === 'touchend') {\n                // Ignore double click.\n                return;\n            }\n            // Mouse down or touch while already dragging, cancel previous dragging.\n            this.moveElement(this.info.sourceList, this.info.sourceNextElement);\n            this.finishDragging();\n        }\n\n        if (evt.type === 'mousedown' && evt.which !== 1) {\n            // We only need left mouse click. If this is a mousedown event with right/middle click ignore it.\n            return;\n        }\n\n        this.calculatePositionOnPage(evt);\n        var movedElement = $(evt.target).closest($(evt.currentTarget).children());\n        if (!movedElement.length) {\n            // Can't find the element user wants to drag. They clicked on the list but outside of any element of the list.\n            return;\n        }\n\n        // Check that we grabbed the element by the handle.\n        if (this.config.moveHandlerSelector !== null) {\n            if (!$(evt.target).closest(this.config.moveHandlerSelector, movedElement).length) {\n                return;\n            }\n        }\n\n        evt.stopPropagation();\n        evt.preventDefault();\n\n        // Information about moved element with original location.\n        // This object is passed to event observers.\n        this.dragCounter++;\n        this.info = {\n            element: movedElement,\n            sourceNextElement: movedElement.next(),\n            sourceList: movedElement.parent(),\n            targetNextElement: movedElement.next(),\n            targetList: movedElement.parent(),\n            type: evt.type,\n            dropped: false,\n            startX: evt.pageX,\n            startY: evt.pageY,\n            startTime: new Date().getTime()\n        };\n\n        $(this.config.targetListSelector).addClass(CSS.targetListClass);\n\n        var offset = movedElement.offset();\n        movedElement.addClass(CSS.currentPositionClass);\n        this.proxyDelta = {x: offset.left - evt.pageX, y: offset.top - evt.pageY};\n        this.proxy = $();\n        var thisDragCounter = this.dragCounter;\n        setTimeout($.proxy(function() {\n            // This mousedown event may in fact be a beginning of a 'click' event. Use timeout before showing the\n            // dragged object so we can catch click event. When timeout finishes make sure that click event\n            // has not happened during this half a second.\n            // Verify dragcounter to make sure the user did not manage to do two very fast drag actions one after another.\n            if (this.info === null || this.info.type === 'click' || this.info.type === 'keypress'\n                    || this.dragCounter !== thisDragCounter) {\n                return;\n            }\n\n            // Create a proxy - the copy of the dragged element that moves together with a mouse.\n            this.createProxy();\n        }, this), 500);\n\n        // Start drag.\n        $(window).on('mousemove touchmove.notPassive mouseup touchend.notPassive', $.proxy(this.dragHandler, this));\n        $(window).on('keypress', $.proxy(this.dragcancelHandler, this));\n\n        // Start autoscrolling. Every time the page is scrolled emulate the mousemove event.\n        if (this.config.autoScroll) {\n            autoScroll.start(function() {\n                $(window).trigger('mousemove');\n            });\n        }\n\n       this.executeCallback(SortableList.EVENTS.DRAGSTART);\n    };\n\n    /**\n     * Creates a \"proxy\" object - a copy of the element that is being moved that always follows the mouse\n     * @private\n     */\n    SortableList.prototype.createProxy = function() {\n        this.proxy = this.info.element.clone();\n        this.info.sourceList.append(this.proxy);\n        this.proxy.removeAttr('id').removeClass(CSS.currentPositionClass)\n            .addClass(CSS.isDraggedClass).css({position: 'fixed'});\n        this.proxy.offset({top: this.proxyDelta.y + this.lastEvent.pageY, left: this.proxyDelta.x + this.lastEvent.pageX});\n    };\n\n    /**\n     * Handler for click event - when user clicks on the drag handler or presses Enter on keyboard\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.clickHandler = function(evt) {\n        if (evt.type === 'keypress' && evt.originalEvent.keyCode !== 13 && evt.originalEvent.keyCode !== 32) {\n            return;\n        }\n        if (this.info !== null) {\n            // Ignore double click.\n            return;\n        }\n\n        // Find the element that this draghandle belongs to.\n        var clickedElement = $(evt.target).closest(this.config.moveHandlerSelector),\n            sourceList = clickedElement.closest(this.config.listSelector),\n            movedElement = clickedElement.closest(sourceList.children());\n        if (!movedElement.length) {\n            return;\n        }\n\n        evt.preventDefault();\n        evt.stopPropagation();\n\n        // Store information about moved element with original location.\n        this.dragCounter++;\n        this.info = {\n            element: movedElement,\n            sourceNextElement: movedElement.next(),\n            sourceList: sourceList,\n            targetNextElement: movedElement.next(),\n            targetList: sourceList,\n            dropped: false,\n            type: evt.type,\n            startTime: new Date().getTime()\n        };\n\n        this.executeCallback(SortableList.EVENTS.DRAGSTART);\n        this.displayMoveDialogue(clickedElement);\n    };\n\n    /**\n     * Finds the position of the mouse inside the element - on the top, on the bottom, on the right or on the left\\\n     *\n     * Used to determine if the moved element should be moved after or before the current element\n     *\n     * @private\n     * @param {Number} pageX\n     * @param {Number} pageY\n     * @param {jQuery} element\n     * @returns {(Object|null)}\n     */\n    SortableList.prototype.getPositionInNode = function(pageX, pageY, element) {\n        if (!element.length) {\n            return null;\n        }\n        var node = element[0],\n            offset = 0,\n            rect = node.getBoundingClientRect(),\n            y = pageY - (rect.top + window.scrollY),\n            x = pageX - (rect.left + window.scrollX);\n        if (x >= -offset && x <= rect.width + offset && y >= -offset && y <= rect.height + offset) {\n            return {\n                x: x,\n                y: y,\n                xRatio: rect.width ? (x / rect.width) : 0,\n                yRatio: rect.height ? (y / rect.height) : 0\n            };\n        }\n        return null;\n    };\n\n    /**\n     * Check if list is horizontal\n     *\n     * @param {jQuery} element\n     * @return {Boolean}\n     */\n    SortableList.prototype.isListHorizontal = function(element) {\n        var isHorizontal = this.config.isHorizontal;\n        if (isHorizontal === true || isHorizontal === false) {\n            return isHorizontal;\n        }\n        return isHorizontal(element);\n    };\n\n    /**\n     * Handler for events mousemove touchmove mouseup touchend\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragHandler = function(evt) {\n\n        evt.preventDefault();\n        evt.stopPropagation();\n\n        this.calculatePositionOnPage(evt);\n\n        // We can not use evt.target here because it will most likely be our proxy.\n        // Move the proxy out of the way so we can find the element at the current mouse position.\n        this.proxy.offset({top: -1000, left: -1000});\n        // Find the element at the current mouse position.\n        var element = $(document.elementFromPoint(evt.clientX, evt.clientY));\n\n        // Find the list element and the list over the mouse position.\n        var mainElement = this.info.element[0],\n            isNotSelf = function() {\n                return this !== mainElement;\n            },\n            current = element.closest('.' + CSS.targetListClass + ' > :not(.' + CSS.isDraggedClass + ')').filter(isNotSelf),\n            currentList = element.closest('.' + CSS.targetListClass),\n            proxy = this.proxy,\n            isNotProxy = function() {\n                return !proxy || !proxy.length || this !== proxy[0];\n            };\n\n        // Add the specified class to the list element we are hovering.\n        $('.' + CSS.overElementClass).removeClass(CSS.overElementClass);\n        current.addClass(CSS.overElementClass);\n\n        // Move proxy to the current position.\n        this.proxy.offset({top: this.proxyDelta.y + evt.pageY, left: this.proxyDelta.x + evt.pageX});\n\n        if (currentList.length && !currentList.children().filter(isNotProxy).length) {\n            // Mouse is over an empty list.\n            this.moveElement(currentList, $());\n        } else if (current.length === 1 && !this.info.element.find(current[0]).length) {\n            // Mouse is over an element in a list - find whether we should move the current position\n            // above or below this element.\n            var coordinates = this.getPositionInNode(evt.pageX, evt.pageY, current);\n            if (coordinates) {\n                var parent = current.parent(),\n                    ratio = this.isListHorizontal(parent) ? coordinates.xRatio : coordinates.yRatio,\n                    subList = current.find('.' + CSS.targetListClass),\n                    subListEmpty = !subList.children().filter(isNotProxy).filter(isNotSelf).length;\n                if (subList.length && subListEmpty && ratio > 0.2 && ratio < 0.8) {\n                    // This is an element that is a parent of an empty list and we are around the middle of this element.\n                    // Treat it as if we are over this empty list.\n                   this.moveElement(subList, $());\n                } else if (ratio > 0.5) {\n                    // Insert after this element.\n                   this.moveElement(parent, current.next().filter(isNotProxy));\n                } else {\n                    // Insert before this element.\n                   this.moveElement(parent, current);\n                }\n            }\n        }\n\n        if (evt.type === 'mouseup' || evt.type === 'touchend') {\n            // Drop the moved element.\n            this.info.endX = evt.pageX;\n            this.info.endY = evt.pageY;\n            this.info.endTime = new Date().getTime();\n            this.info.dropped = true;\n            this.info.positionChanged = this.hasPositionChanged(this.info);\n            var oldinfo = this.info;\n            this.executeCallback(SortableList.EVENTS.DROP);\n            this.finishDragging();\n\n            if (evt.type === 'touchend'\n                    && this.config.moveHandlerSelector !== null\n                    && (oldinfo.endTime - oldinfo.startTime < 500)\n                    && !oldinfo.positionChanged) {\n                // The click event is not triggered on touch screens because we call preventDefault in touchstart handler.\n                // If the touchend quickly followed touchstart without moving, consider it a \"click\".\n                this.clickHandler(evt);\n            }\n        }\n    };\n\n    /**\n     * Checks if the position of the dragged element in the list has changed\n     *\n     * @private\n     * @param {Object} info\n     * @return {Boolean}\n     */\n    SortableList.prototype.hasPositionChanged = function(info) {\n        return info.sourceList[0] !== info.targetList[0] ||\n            info.sourceNextElement.length !== info.targetNextElement.length ||\n            (info.sourceNextElement.length && info.sourceNextElement[0] !== info.targetNextElement[0]);\n    };\n\n    /**\n     * Moves the current position of the dragged element\n     *\n     * @private\n     * @param {jQuery} parentElement\n     * @param {jQuery} beforeElement\n     */\n    SortableList.prototype.moveElement = function(parentElement, beforeElement) {\n        var dragEl = this.info.element;\n        if (beforeElement.length && beforeElement[0] === dragEl[0]) {\n            // Insert before the current position of the dragged element - nothing to do.\n            return;\n        }\n        if (parentElement[0] === this.info.targetList[0] &&\n                beforeElement.length === this.info.targetNextElement.length &&\n                beforeElement[0] === this.info.targetNextElement[0]) {\n            // Insert in the same location as the current position - nothing to do.\n            return;\n        }\n\n        if (beforeElement.length) {\n            // Move the dragged element before the specified element.\n            parentElement[0].insertBefore(dragEl[0], beforeElement[0]);\n        } else if (this.proxy && this.proxy.parent().length && this.proxy.parent()[0] === parentElement[0]) {\n            // We need to move to the end of the list but the last element in this list is a proxy.\n            // Always leave the proxy in the end of the list.\n            parentElement[0].insertBefore(dragEl[0], this.proxy[0]);\n        } else {\n            // Insert in the end of a list (when proxy is in another list).\n            parentElement[0].appendChild(dragEl[0]);\n        }\n\n        // Save the current position of the dragged element in the list.\n        this.info.targetList = parentElement;\n        this.info.targetNextElement = beforeElement;\n        this.executeCallback(SortableList.EVENTS.DRAG);\n    };\n\n    /**\n     * Finish dragging (when dropped or cancelled).\n     * @private\n     */\n    SortableList.prototype.finishDragging = function() {\n        this.resetDraggedClasses();\n        if (this.config.autoScroll) {\n            autoScroll.stop();\n        }\n        $(window).off('mousemove touchmove.notPassive mouseup touchend.notPassive', $.proxy(this.dragHandler, this));\n        $(window).off('keypress', $.proxy(this.dragcancelHandler, this));\n        this.executeCallback(SortableList.EVENTS.DRAGEND);\n        this.info = null;\n    };\n\n    /**\n     * Executes callback specified in sortable list parameters\n     *\n     * @private\n     * @param {String} eventName\n     */\n    SortableList.prototype.executeCallback = function(eventName) {\n        this.info.element.trigger(eventName, this.info);\n    };\n\n    /**\n     * Handler from keypress event (cancel dragging when Esc is pressed)\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragcancelHandler = function(evt) {\n        if (evt.type !== 'keypress' || evt.originalEvent.keyCode !== 27) {\n            // Only cancel dragging when Esc was pressed.\n            return;\n        }\n        // Dragging was cancelled. Return item to the original position.\n        this.moveElement(this.info.sourceList, this.info.sourceNextElement);\n        this.finishDragging();\n    };\n\n    /**\n     * Returns the name of the current element to be used in the move dialogue\n     *\n     * @public\n     * @param {jQuery} element\n     * @return {Promise}\n     */\n    SortableList.prototype.getElementName = function(element) {\n        return $.Deferred().resolve(element.text());\n    };\n\n    /**\n     * Returns the label for the potential move destination, i.e. \"After ElementX\" or \"To the top of the list\"\n     *\n     * Note that we use \"after\" in the label for better UX\n     *\n     * @public\n     * @param {jQuery} parentElement\n     * @param {jQuery} afterElement\n     * @return {Promise}\n     */\n    SortableList.prototype.getDestinationName = function(parentElement, afterElement) {\n        if (!afterElement.length) {\n            return str.get_string('movecontenttothetop', 'moodle');\n        } else {\n            return this.getElementName(afterElement)\n                .then(function(name) {\n                    return str.get_string('movecontentafter', 'moodle', name);\n                });\n        }\n    };\n\n    /**\n     * Returns the title for the move dialogue (\"Move elementY\")\n     *\n     * @public\n     * @param {jQuery} element\n     * @param {jQuery} handler\n     * @return {Promise}\n     */\n    SortableList.prototype.getMoveDialogueTitle = function(element, handler) {\n        if (handler.attr('title')) {\n            return $.Deferred().resolve(handler.attr('title'));\n        }\n        return this.getElementName(element).then(function(name) {\n            return str.get_string('movecontent', 'moodle', name);\n        });\n    };\n\n    /**\n     * Returns the list of possible move destinations\n     *\n     * @private\n     * @return {Promise}\n     */\n    SortableList.prototype.getDestinationsList = function() {\n        var addedLists = [],\n            targets = $(this.config.targetListSelector),\n            destinations = $('<ul/>').addClass(CSS.keyboardDragClass),\n            result = $.when().then(function() {\n                return destinations;\n            }),\n            createLink = $.proxy(function(parentElement, beforeElement, afterElement) {\n                if (beforeElement.is(this.info.element) || afterElement.is(this.info.element)) {\n                    // Can not move before or after itself.\n                    return;\n                }\n                if ($.contains(this.info.element[0], parentElement[0])) {\n                    // Can not move to its own child.\n                    return;\n                }\n                result = result\n                .then($.proxy(function() {\n                    return this.getDestinationName(parentElement, afterElement);\n                }, this))\n                .then(function(txt) {\n                    var li = $('<li/>').appendTo(destinations);\n                    var a = $('<a href=\"#\"/>').attr('data-core_sortable_list-quickmove', 1).appendTo(li);\n                    a.data('parent-element', parentElement).data('before-element', beforeElement).text(txt);\n                    return destinations;\n                });\n            }, this),\n            addList = function() {\n                // Destination lists may be nested. We want to add all move destinations in the same\n                // order they appear on the screen for the user.\n                if ($.inArray(this, addedLists) !== -1) {\n                    return;\n                }\n                addedLists.push(this);\n                var list = $(this),\n                    children = list.children();\n                children.each(function() {\n                    var element = $(this);\n                    createLink(list, element, element.prev());\n                    // Add all nested lists.\n                    element.find(targets).each(addList);\n                });\n                createLink(list, $(), children.last());\n            };\n        targets.each(addList);\n        return result;\n    };\n\n    /**\n     * Displays the dialogue to move element.\n     * @param {jQuery} clickedElement element to return focus to after the modal is closed\n     * @private\n     */\n    SortableList.prototype.displayMoveDialogue = function(clickedElement) {\n        ModalFactory.create({\n            type: ModalFactory.types.CANCEL,\n            title: this.getMoveDialogueTitle(this.info.element, clickedElement),\n            body: this.getDestinationsList()\n        }).then($.proxy(function(modal) {\n            var quickMoveHandler = $.proxy(function(e) {\n                e.preventDefault();\n                e.stopPropagation();\n                this.moveElement($(e.currentTarget).data('parent-element'), $(e.currentTarget).data('before-element'));\n                this.info.endTime = new Date().getTime();\n                this.info.positionChanged = this.hasPositionChanged(this.info);\n                this.info.dropped = true;\n                clickedElement.focus();\n                this.executeCallback(SortableList.EVENTS.DROP);\n                modal.hide();\n            }, this);\n            modal.getRoot().on('click', '[data-core_sortable_list-quickmove]', quickMoveHandler);\n            modal.getRoot().on(ModalEvents.hidden, $.proxy(function() {\n                // Always destroy when hidden, it is generated dynamically each time.\n                modal.getRoot().off('click', '[data-core_sortable_list-quickmove]', quickMoveHandler);\n                modal.destroy();\n                this.finishDragging();\n            }, this));\n            modal.setLarge();\n            modal.show();\n            return modal;\n        }, this)).catch(Notification.exception);\n    };\n\n    return SortableList;\n\n});\n"],"file":"sortable_list.min.js"}
\ No newline at end of file
+{"version":3,"file":"sortable_list.min.js","sources":["../src/sortable_list.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle list items drag and drop\n *\n * Example of usage:\n *\n * Create a list (for example <ul> or <tbody>) where each draggable element has a drag handle.\n * The best practice is to use the template core/drag_handle:\n * $OUTPUT->render_from_template('core/drag_handle', ['movetitle' => get_string('movecontent', 'moodle', ELEMENTNAME)]);\n *\n * Attach this JS module to this list:\n *\n * Space between define and ( critical in comment but not allowed in code in order to function\n * correctly with Moodle's requirejs.php\n *\n * define (['jquery', 'core/sortable_list'], function($, SortableList) {\n *     var list = new SortableList('ul.my-awesome-list'); // source list (usually <ul> or <tbody>) - selector or element\n *\n *     // Listen to the events when element is dragged.\n *     $('ul.my-awesome-list > *').on(SortableList.EVENTS.DROP, function(evt, info) {\n *         console.log(info);\n *     });\n *\n *     // Advanced usage. Overwrite methods getElementName, getDestinationName, moveDialogueTitle, for example:\n *     list.getElementName = function(element) {\n *         return $.Deferred().resolve(element.attr('data-name'));\n *     }\n * }\n *\n * More details: https://docs.moodle.org/dev/Sortable_list\n *\n * For the full list of possible parameters see var defaultParameters below.\n *\n * The following jQuery events are fired:\n * - SortableList.EVENTS.DRAGSTART : when user started dragging a list element\n * - SortableList.EVENTS.DRAG : when user dragged a list element to a new position\n * - SortableList.EVENTS.DROP : when user dropped a list element\n * - SortableList.EVENTS.DROPEND : when user finished dragging - either fired right after dropping or\n *                          if \"Esc\" was pressed during dragging\n *\n * @module     core/sortable_list\n * @class      sortable_list\n * @package    core\n * @copyright  2018 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/log', 'core/autoscroll', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/notification'],\nfunction($, log, autoScroll, str, ModalFactory, ModalEvents, Notification) {\n\n    /**\n     * Default parameters\n     *\n     * @private\n     * @type {Object}\n     */\n    var defaultParameters = {\n        targetListSelector: null,\n        moveHandlerSelector: '[data-drag-type=move]',\n        isHorizontal: false,\n        autoScroll: true\n    };\n\n    /**\n     * Class names for different elements that may be changed during sorting\n     *\n     * @private\n     * @type {Object}\n     */\n    var CSS = {\n        keyboardDragClass: 'dragdrop-keyboard-drag',\n        isDraggedClass: 'sortable-list-is-dragged',\n        currentPositionClass: 'sortable-list-current-position',\n        sourceListClass: 'sortable-list-source',\n        targetListClass: 'sortable-list-target',\n        overElementClass: 'sortable-list-over-element'\n    };\n\n    /**\n     * Test the browser support for options objects on event listeners.\n     * @return {Boolean}\n     */\n    var eventListenerOptionsSupported = function() {\n        var passivesupported = false,\n            options,\n            testeventname = \"testpassiveeventoptions\";\n\n        // Options support testing example from:\n        // https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener\n\n        try {\n            options = Object.defineProperty({}, \"passive\", {\n                get: function() {\n                    passivesupported = true;\n                }\n            });\n\n            // We use an event name that is not likely to conflict with any real event.\n            document.addEventListener(testeventname, options, options);\n            // We remove the event listener as we have tested the options already.\n            document.removeEventListener(testeventname, options, options);\n        } catch (err) {\n            // It's already false.\n            passivesupported = false;\n        }\n        return passivesupported;\n    };\n\n    /**\n     * Allow to create non-passive touchstart listeners and prevent page scrolling when dragging\n     * From: https://stackoverflow.com/a/48098097\n     *\n     * @type {Object}\n     */\n    var registerNotPassiveListeners = function(eventname) {\n        return {\n            setup: function(x, ns, handle) {\n                if (ns.includes('notPassive')) {\n                    this.addEventListener(eventname, handle, {passive: false});\n                    return true;\n                } else {\n                    return false;\n                }\n            }\n        };\n    };\n\n    if (eventListenerOptionsSupported) {\n        $.event.special.touchstart = registerNotPassiveListeners('touchstart');\n        $.event.special.touchmove = registerNotPassiveListeners('touchmove');\n        $.event.special.touchend = registerNotPassiveListeners('touchend');\n    }\n\n    /**\n     * Initialise sortable list.\n     *\n     * @param {(String|jQuery|Element)} root JQuery/DOM element representing sortable list (i.e. <ul>, <tbody>) or CSS selector\n     * @param {Object} config Parameters for the list. See defaultParameters above for examples.\n     * @property {(String|jQuery|Element)} config.targetListSelector target lists, by default same as root\n     * @property {String} config.moveHandlerSelector  CSS selector for a drag handle. By default '[data-drag-type=move]'\n     * @property {String} config.targetListSelector   CSS selector for target lists. By default the same as root\n     * @property {(Boolean|Function)} config.isHorizontal Set to true if the list is horizontal\n     *                                                (can also be a callback with list as an argument)\n     * @property {Boolean} config.autoScroll          Engages autoscroll module for automatic vertical scrolling of the\n     *                                                whole page, by default true\n     */\n    var SortableList = function(root, config) {\n\n        this.info = null;\n        this.proxy = null;\n        this.proxyDelta = null;\n        this.dragCounter = 0;\n        this.lastEvent = null;\n\n        this.config = $.extend({}, defaultParameters, config || {});\n        this.config.listSelector = root;\n        if (!this.config.targetListSelector) {\n            this.config.targetListSelector = root;\n        }\n        if (typeof this.config.listSelector === 'object') {\n            // The root is an element on the page. Register a listener for this element.\n            $(this.config.listSelector).on('mousedown touchstart.notPassive', $.proxy(this.dragStartHandler, this));\n        } else {\n            // The root is a CSS selector. Register a listener that picks up the element dynamically.\n            $('body').on('mousedown touchstart.notPassive', this.config.listSelector, $.proxy(this.dragStartHandler, this));\n        }\n        if (this.config.moveHandlerSelector !== null) {\n            $('body').on('click keypress', this.config.moveHandlerSelector, $.proxy(this.clickHandler, this));\n        }\n\n    };\n\n    /**\n     * Events fired by this entity\n     *\n     * @public\n     * @type {Object}\n     */\n    SortableList.EVENTS = {\n        DRAGSTART: 'sortablelist-dragstart',\n        DRAG: 'sortablelist-drag',\n        DROP: 'sortablelist-drop',\n        DRAGEND: 'sortablelist-dragend'\n    };\n\n    /**\n     * Resets the temporary classes assigned during dragging\n     * @private\n     */\n     SortableList.prototype.resetDraggedClasses = function() {\n        var classes = [\n            CSS.isDraggedClass,\n            CSS.currentPositionClass,\n            CSS.overElementClass,\n            CSS.targetListClass,\n        ];\n        for (var i in classes) {\n            $('.' + classes[i]).removeClass(classes[i]);\n        }\n        if (this.proxy) {\n            this.proxy.remove();\n            this.proxy = $();\n        }\n    };\n\n    /**\n     * Calculates evt.pageX, evt.pageY, evt.clientX and evt.clientY\n     *\n     * For touch events pageX and pageY are taken from the first touch;\n     * For the emulated mousemove event they are taken from the last real event.\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.calculatePositionOnPage = function(evt) {\n\n        if (evt.originalEvent && evt.originalEvent.touches && evt.originalEvent.touches[0] !== undefined) {\n            // This is a touchmove or touchstart event, get position from the first touch position.\n            var touch = evt.originalEvent.touches[0];\n            evt.pageX = touch.pageX;\n            evt.pageY = touch.pageY;\n        }\n\n        if (evt.pageX === undefined) {\n            // Information is not present in case of touchend or when event was emulated by autoScroll.\n            // Take the absolute mouse position from the last event.\n            evt.pageX = this.lastEvent.pageX;\n            evt.pageY = this.lastEvent.pageY;\n        } else {\n            this.lastEvent = evt;\n        }\n\n        if (evt.clientX === undefined) {\n            // If not provided in event calculate relative mouse position.\n            evt.clientX = Math.round(evt.pageX - $(window).scrollLeft());\n            evt.clientY = Math.round(evt.pageY - $(window).scrollTop());\n        }\n    };\n\n    /**\n     * Handler from dragstart event\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragStartHandler = function(evt) {\n        if (this.info !== null) {\n            if (this.info.type === 'click' || this.info.type === 'touchend') {\n                // Ignore double click.\n                return;\n            }\n            // Mouse down or touch while already dragging, cancel previous dragging.\n            this.moveElement(this.info.sourceList, this.info.sourceNextElement);\n            this.finishDragging();\n        }\n\n        if (evt.type === 'mousedown' && evt.which !== 1) {\n            // We only need left mouse click. If this is a mousedown event with right/middle click ignore it.\n            return;\n        }\n\n        this.calculatePositionOnPage(evt);\n        var movedElement = $(evt.target).closest($(evt.currentTarget).children());\n        if (!movedElement.length) {\n            // Can't find the element user wants to drag. They clicked on the list but outside of any element of the list.\n            return;\n        }\n\n        // Check that we grabbed the element by the handle.\n        if (this.config.moveHandlerSelector !== null) {\n            if (!$(evt.target).closest(this.config.moveHandlerSelector, movedElement).length) {\n                return;\n            }\n        }\n\n        evt.stopPropagation();\n        evt.preventDefault();\n\n        // Information about moved element with original location.\n        // This object is passed to event observers.\n        this.dragCounter++;\n        this.info = {\n            element: movedElement,\n            sourceNextElement: movedElement.next(),\n            sourceList: movedElement.parent(),\n            targetNextElement: movedElement.next(),\n            targetList: movedElement.parent(),\n            type: evt.type,\n            dropped: false,\n            startX: evt.pageX,\n            startY: evt.pageY,\n            startTime: new Date().getTime()\n        };\n\n        $(this.config.targetListSelector).addClass(CSS.targetListClass);\n\n        var offset = movedElement.offset();\n        movedElement.addClass(CSS.currentPositionClass);\n        this.proxyDelta = {x: offset.left - evt.pageX, y: offset.top - evt.pageY};\n        this.proxy = $();\n        var thisDragCounter = this.dragCounter;\n        setTimeout($.proxy(function() {\n            // This mousedown event may in fact be a beginning of a 'click' event. Use timeout before showing the\n            // dragged object so we can catch click event. When timeout finishes make sure that click event\n            // has not happened during this half a second.\n            // Verify dragcounter to make sure the user did not manage to do two very fast drag actions one after another.\n            if (this.info === null || this.info.type === 'click' || this.info.type === 'keypress'\n                    || this.dragCounter !== thisDragCounter) {\n                return;\n            }\n\n            // Create a proxy - the copy of the dragged element that moves together with a mouse.\n            this.createProxy();\n        }, this), 500);\n\n        // Start drag.\n        $(window).on('mousemove touchmove.notPassive mouseup touchend.notPassive', $.proxy(this.dragHandler, this));\n        $(window).on('keypress', $.proxy(this.dragcancelHandler, this));\n\n        // Start autoscrolling. Every time the page is scrolled emulate the mousemove event.\n        if (this.config.autoScroll) {\n            autoScroll.start(function() {\n                $(window).trigger('mousemove');\n            });\n        }\n\n       this.executeCallback(SortableList.EVENTS.DRAGSTART);\n    };\n\n    /**\n     * Creates a \"proxy\" object - a copy of the element that is being moved that always follows the mouse\n     * @private\n     */\n    SortableList.prototype.createProxy = function() {\n        this.proxy = this.info.element.clone();\n        this.info.sourceList.append(this.proxy);\n        this.proxy.removeAttr('id').removeClass(CSS.currentPositionClass)\n            .addClass(CSS.isDraggedClass).css({position: 'fixed'});\n        this.proxy.offset({top: this.proxyDelta.y + this.lastEvent.pageY, left: this.proxyDelta.x + this.lastEvent.pageX});\n    };\n\n    /**\n     * Handler for click event - when user clicks on the drag handler or presses Enter on keyboard\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.clickHandler = function(evt) {\n        if (evt.type === 'keypress' && evt.originalEvent.keyCode !== 13 && evt.originalEvent.keyCode !== 32) {\n            return;\n        }\n        if (this.info !== null) {\n            // Ignore double click.\n            return;\n        }\n\n        // Find the element that this draghandle belongs to.\n        var clickedElement = $(evt.target).closest(this.config.moveHandlerSelector),\n            sourceList = clickedElement.closest(this.config.listSelector),\n            movedElement = clickedElement.closest(sourceList.children());\n        if (!movedElement.length) {\n            return;\n        }\n\n        evt.preventDefault();\n        evt.stopPropagation();\n\n        // Store information about moved element with original location.\n        this.dragCounter++;\n        this.info = {\n            element: movedElement,\n            sourceNextElement: movedElement.next(),\n            sourceList: sourceList,\n            targetNextElement: movedElement.next(),\n            targetList: sourceList,\n            dropped: false,\n            type: evt.type,\n            startTime: new Date().getTime()\n        };\n\n        this.executeCallback(SortableList.EVENTS.DRAGSTART);\n        this.displayMoveDialogue(clickedElement);\n    };\n\n    /**\n     * Finds the position of the mouse inside the element - on the top, on the bottom, on the right or on the left\\\n     *\n     * Used to determine if the moved element should be moved after or before the current element\n     *\n     * @private\n     * @param {Number} pageX\n     * @param {Number} pageY\n     * @param {jQuery} element\n     * @returns {(Object|null)}\n     */\n    SortableList.prototype.getPositionInNode = function(pageX, pageY, element) {\n        if (!element.length) {\n            return null;\n        }\n        var node = element[0],\n            offset = 0,\n            rect = node.getBoundingClientRect(),\n            y = pageY - (rect.top + window.scrollY),\n            x = pageX - (rect.left + window.scrollX);\n        if (x >= -offset && x <= rect.width + offset && y >= -offset && y <= rect.height + offset) {\n            return {\n                x: x,\n                y: y,\n                xRatio: rect.width ? (x / rect.width) : 0,\n                yRatio: rect.height ? (y / rect.height) : 0\n            };\n        }\n        return null;\n    };\n\n    /**\n     * Check if list is horizontal\n     *\n     * @param {jQuery} element\n     * @return {Boolean}\n     */\n    SortableList.prototype.isListHorizontal = function(element) {\n        var isHorizontal = this.config.isHorizontal;\n        if (isHorizontal === true || isHorizontal === false) {\n            return isHorizontal;\n        }\n        return isHorizontal(element);\n    };\n\n    /**\n     * Handler for events mousemove touchmove mouseup touchend\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragHandler = function(evt) {\n\n        evt.preventDefault();\n        evt.stopPropagation();\n\n        this.calculatePositionOnPage(evt);\n\n        // We can not use evt.target here because it will most likely be our proxy.\n        // Move the proxy out of the way so we can find the element at the current mouse position.\n        this.proxy.offset({top: -1000, left: -1000});\n        // Find the element at the current mouse position.\n        var element = $(document.elementFromPoint(evt.clientX, evt.clientY));\n\n        // Find the list element and the list over the mouse position.\n        var mainElement = this.info.element[0],\n            isNotSelf = function() {\n                return this !== mainElement;\n            },\n            current = element.closest('.' + CSS.targetListClass + ' > :not(.' + CSS.isDraggedClass + ')').filter(isNotSelf),\n            currentList = element.closest('.' + CSS.targetListClass),\n            proxy = this.proxy,\n            isNotProxy = function() {\n                return !proxy || !proxy.length || this !== proxy[0];\n            };\n\n        // Add the specified class to the list element we are hovering.\n        $('.' + CSS.overElementClass).removeClass(CSS.overElementClass);\n        current.addClass(CSS.overElementClass);\n\n        // Move proxy to the current position.\n        this.proxy.offset({top: this.proxyDelta.y + evt.pageY, left: this.proxyDelta.x + evt.pageX});\n\n        if (currentList.length && !currentList.children().filter(isNotProxy).length) {\n            // Mouse is over an empty list.\n            this.moveElement(currentList, $());\n        } else if (current.length === 1 && !this.info.element.find(current[0]).length) {\n            // Mouse is over an element in a list - find whether we should move the current position\n            // above or below this element.\n            var coordinates = this.getPositionInNode(evt.pageX, evt.pageY, current);\n            if (coordinates) {\n                var parent = current.parent(),\n                    ratio = this.isListHorizontal(parent) ? coordinates.xRatio : coordinates.yRatio,\n                    subList = current.find('.' + CSS.targetListClass),\n                    subListEmpty = !subList.children().filter(isNotProxy).filter(isNotSelf).length;\n                if (subList.length && subListEmpty && ratio > 0.2 && ratio < 0.8) {\n                    // This is an element that is a parent of an empty list and we are around the middle of this element.\n                    // Treat it as if we are over this empty list.\n                   this.moveElement(subList, $());\n                } else if (ratio > 0.5) {\n                    // Insert after this element.\n                   this.moveElement(parent, current.next().filter(isNotProxy));\n                } else {\n                    // Insert before this element.\n                   this.moveElement(parent, current);\n                }\n            }\n        }\n\n        if (evt.type === 'mouseup' || evt.type === 'touchend') {\n            // Drop the moved element.\n            this.info.endX = evt.pageX;\n            this.info.endY = evt.pageY;\n            this.info.endTime = new Date().getTime();\n            this.info.dropped = true;\n            this.info.positionChanged = this.hasPositionChanged(this.info);\n            var oldinfo = this.info;\n            this.executeCallback(SortableList.EVENTS.DROP);\n            this.finishDragging();\n\n            if (evt.type === 'touchend'\n                    && this.config.moveHandlerSelector !== null\n                    && (oldinfo.endTime - oldinfo.startTime < 500)\n                    && !oldinfo.positionChanged) {\n                // The click event is not triggered on touch screens because we call preventDefault in touchstart handler.\n                // If the touchend quickly followed touchstart without moving, consider it a \"click\".\n                this.clickHandler(evt);\n            }\n        }\n    };\n\n    /**\n     * Checks if the position of the dragged element in the list has changed\n     *\n     * @private\n     * @param {Object} info\n     * @return {Boolean}\n     */\n    SortableList.prototype.hasPositionChanged = function(info) {\n        return info.sourceList[0] !== info.targetList[0] ||\n            info.sourceNextElement.length !== info.targetNextElement.length ||\n            (info.sourceNextElement.length && info.sourceNextElement[0] !== info.targetNextElement[0]);\n    };\n\n    /**\n     * Moves the current position of the dragged element\n     *\n     * @private\n     * @param {jQuery} parentElement\n     * @param {jQuery} beforeElement\n     */\n    SortableList.prototype.moveElement = function(parentElement, beforeElement) {\n        var dragEl = this.info.element;\n        if (beforeElement.length && beforeElement[0] === dragEl[0]) {\n            // Insert before the current position of the dragged element - nothing to do.\n            return;\n        }\n        if (parentElement[0] === this.info.targetList[0] &&\n                beforeElement.length === this.info.targetNextElement.length &&\n                beforeElement[0] === this.info.targetNextElement[0]) {\n            // Insert in the same location as the current position - nothing to do.\n            return;\n        }\n\n        if (beforeElement.length) {\n            // Move the dragged element before the specified element.\n            parentElement[0].insertBefore(dragEl[0], beforeElement[0]);\n        } else if (this.proxy && this.proxy.parent().length && this.proxy.parent()[0] === parentElement[0]) {\n            // We need to move to the end of the list but the last element in this list is a proxy.\n            // Always leave the proxy in the end of the list.\n            parentElement[0].insertBefore(dragEl[0], this.proxy[0]);\n        } else {\n            // Insert in the end of a list (when proxy is in another list).\n            parentElement[0].appendChild(dragEl[0]);\n        }\n\n        // Save the current position of the dragged element in the list.\n        this.info.targetList = parentElement;\n        this.info.targetNextElement = beforeElement;\n        this.executeCallback(SortableList.EVENTS.DRAG);\n    };\n\n    /**\n     * Finish dragging (when dropped or cancelled).\n     * @private\n     */\n    SortableList.prototype.finishDragging = function() {\n        this.resetDraggedClasses();\n        if (this.config.autoScroll) {\n            autoScroll.stop();\n        }\n        $(window).off('mousemove touchmove.notPassive mouseup touchend.notPassive', $.proxy(this.dragHandler, this));\n        $(window).off('keypress', $.proxy(this.dragcancelHandler, this));\n        this.executeCallback(SortableList.EVENTS.DRAGEND);\n        this.info = null;\n    };\n\n    /**\n     * Executes callback specified in sortable list parameters\n     *\n     * @private\n     * @param {String} eventName\n     */\n    SortableList.prototype.executeCallback = function(eventName) {\n        this.info.element.trigger(eventName, this.info);\n    };\n\n    /**\n     * Handler from keypress event (cancel dragging when Esc is pressed)\n     *\n     * @private\n     * @param {Event} evt\n     */\n    SortableList.prototype.dragcancelHandler = function(evt) {\n        if (evt.type !== 'keypress' || evt.originalEvent.keyCode !== 27) {\n            // Only cancel dragging when Esc was pressed.\n            return;\n        }\n        // Dragging was cancelled. 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\ No newline at end of file
diff --git a/lib/amd/build/storagewrapper.min.js b/lib/amd/build/storagewrapper.min.js
index 7f442df3f0d..f9db599a9ea 100644
--- a/lib/amd/build/storagewrapper.min.js
+++ b/lib/amd/build/storagewrapper.min.js
@@ -1,2 +1,12 @@
-define ("core/storagewrapper",["core/config"],function(a){var b=function(b){this.storage=b;this.supported=this.detectSupport();this.hashSource=a.wwwroot+"/"+a.jsrev;this.hash=this.hashString(this.hashSource);this.prefix=this.hash+"/";this.jsrevPrefix=this.hashString(a.wwwroot)+"/jsrev";this.validateCache()};b.prototype.detectSupport=function(){if(-1==a.jsrev){return!1}if("undefined"==typeof this.storage){return!1}try{if(null===this.storage){return!1}this.storage.setItem("test","1");this.storage.removeItem("test");return!0}catch(a){return!1}};b.prototype.prefixKey=function(a){return this.prefix+a};b.prototype.validateCache=function(){var b=this.storage.getItem(this.jsrevPrefix);if(null===b){this.storage.setItem(this.jsrevPrefix,a.jsrev);return}var c=a.jsrev;if(c!=b){this.storage.clear();this.storage.setItem(this.jsrevPrefix,a.jsrev)}};b.prototype.hashString=function(a){var b=0,c,d,e;if(0===a.length){return b}for(c=0,e=a.length;c<e;c++){d=a.charCodeAt(c);b=(b<<5)-b+d;b|=0}return b};b.prototype.get=function(a){if(!this.supported){return!1}a=this.prefixKey(a);return this.storage.getItem(a)};b.prototype.set=function(a,b){if(!this.supported){return!1}a=this.prefixKey(a);try{this.storage.setItem(a,b)}catch(a){return!1}return!0};return b});
-//# sourceMappingURL=storagewrapper.min.js.map
+/**
+ * Wrap an instance of the browser's local or session storage to handle
+ * cache expiry, key namespacing and other helpful things.
+ *
+ * @module     core/storagewrapper
+ * @package    core
+ * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/storagewrapper",["core/config"],(function(config){var Wrapper=function(storage){this.storage=storage,this.supported=this.detectSupport(),this.hashSource=config.wwwroot+"/"+config.jsrev,this.hash=this.hashString(this.hashSource),this.prefix=this.hash+"/",this.jsrevPrefix=this.hashString(config.wwwroot)+"/jsrev",this.validateCache()};return Wrapper.prototype.detectSupport=function(){if(-1==config.jsrev)return!1;if(void 0===this.storage)return!1;try{return null!==this.storage&&(this.storage.setItem("test","1"),this.storage.removeItem("test"),!0)}catch(ex){return!1}},Wrapper.prototype.prefixKey=function(key){return this.prefix+key},Wrapper.prototype.validateCache=function(){var cacheVersion=this.storage.getItem(this.jsrevPrefix);null!==cacheVersion?config.jsrev!=cacheVersion&&(this.storage.clear(),this.storage.setItem(this.jsrevPrefix,config.jsrev)):this.storage.setItem(this.jsrevPrefix,config.jsrev)},Wrapper.prototype.hashString=function(source){var i,len,hash=0;if(0===source.length)return hash;for(i=0,len=source.length;i<len;i++)hash=(hash<<5)-hash+source.charCodeAt(i),hash|=0;return hash},Wrapper.prototype.get=function(key){return!!this.supported&&(key=this.prefixKey(key),this.storage.getItem(key))},Wrapper.prototype.set=function(key,value){if(!this.supported)return!1;key=this.prefixKey(key);try{this.storage.setItem(key,value)}catch(e){return!1}return!0},Wrapper}));
+
+//# sourceMappingURL=storagewrapper.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/storagewrapper.min.js.map b/lib/amd/build/storagewrapper.min.js.map
index 0dc3155e819..d9f79460b78 100644
--- a/lib/amd/build/storagewrapper.min.js.map
+++ b/lib/amd/build/storagewrapper.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/storagewrapper.js"],"names":["define","config","Wrapper","storage","supported","detectSupport","hashSource","wwwroot","jsrev","hash","hashString","prefix","jsrevPrefix","validateCache","prototype","setItem","removeItem","ex","prefixKey","key","cacheVersion","getItem","moodleVersion","clear","source","i","chr","len","length","charCodeAt","get","set","value","e"],"mappings":"AAwBAA,OAAM,uBAAC,CAAC,aAAD,CAAD,CAAkB,SAASC,CAAT,CAAiB,CAOrC,GAAIC,CAAAA,CAAO,CAAG,SAASC,CAAT,CAAkB,CAC5B,KAAKA,OAAL,CAAeA,CAAf,CACA,KAAKC,SAAL,CAAiB,KAAKC,aAAL,EAAjB,CACA,KAAKC,UAAL,CAAkBL,CAAM,CAACM,OAAP,CAAiB,GAAjB,CAAuBN,CAAM,CAACO,KAAhD,CACA,KAAKC,IAAL,CAAY,KAAKC,UAAL,CAAgB,KAAKJ,UAArB,CAAZ,CACA,KAAKK,MAAL,CAAc,KAAKF,IAAL,CAAY,GAA1B,CACA,KAAKG,WAAL,CAAmB,KAAKF,UAAL,CAAgBT,CAAM,CAACM,OAAvB,EAAkC,QAArD,CACA,KAAKM,aAAL,EACH,CARD,CAgBAX,CAAO,CAACY,SAAR,CAAkBT,aAAlB,CAAkC,UAAW,CACzC,GAAoB,CAAC,CAAjB,EAAAJ,CAAM,CAACO,KAAX,CAAwB,CAEpB,QACH,CACD,GAA8B,WAA1B,QAAQ,MAAKL,OAAjB,CAA2C,CACvC,QACH,CAED,GAAI,CACA,GAAqB,IAAjB,QAAKA,OAAT,CAA2B,CACvB,QACH,CAGD,KAAKA,OAAL,CAAaY,OAAb,QAA8B,GAA9B,EACA,KAAKZ,OAAL,CAAaa,UAAb,SACA,QACH,CAAC,MAAOC,CAAP,CAAW,CACT,QACH,CACJ,CArBD,CA8BAf,CAAO,CAACY,SAAR,CAAkBI,SAAlB,CAA8B,SAASC,CAAT,CAAc,CACxC,MAAO,MAAKR,MAAL,CAAcQ,CACxB,CAFD,CASAjB,CAAO,CAACY,SAAR,CAAkBD,aAAlB,CAAkC,UAAW,CACzC,GAAIO,CAAAA,CAAY,CAAG,KAAKjB,OAAL,CAAakB,OAAb,CAAqB,KAAKT,WAA1B,CAAnB,CACA,GAAqB,IAAjB,GAAAQ,CAAJ,CAA2B,CACvB,KAAKjB,OAAL,CAAaY,OAAb,CAAqB,KAAKH,WAA1B,CAAuCX,CAAM,CAACO,KAA9C,EACA,MACH,CAED,GAAIc,CAAAA,CAAa,CAAGrB,CAAM,CAACO,KAA3B,CACA,GAAIc,CAAa,EAAIF,CAArB,CAAmC,CAC/B,KAAKjB,OAAL,CAAaoB,KAAb,GACA,KAAKpB,OAAL,CAAaY,OAAb,CAAqB,KAAKH,WAA1B,CAAuCX,CAAM,CAACO,KAA9C,CACH,CACJ,CAZD,CAqBAN,CAAO,CAACY,SAAR,CAAkBJ,UAAlB,CAA+B,SAASc,CAAT,CAAiB,IAIxCf,CAAAA,CAAI,CAAG,CAJiC,CAKxCgB,CALwC,CAKrCC,CALqC,CAKhCC,CALgC,CAM5C,GAAsB,CAAlB,GAAAH,CAAM,CAACI,MAAX,CAAyB,CACrB,MAAOnB,CAAAA,CACV,CACD,IAAKgB,CAAC,CAAG,CAAJ,CAAOE,CAAG,CAAGH,CAAM,CAACI,MAAzB,CAAiCH,CAAC,CAAGE,CAArC,CAA0CF,CAAC,EAA3C,CAA+C,CAC3CC,CAAG,CAAGF,CAAM,CAACK,UAAP,CAAkBJ,CAAlB,CAAN,CACAhB,CAAI,CAAI,CAACA,CAAI,EAAI,CAAT,EAAcA,CAAf,CAAuBiB,CAA9B,CACAjB,CAAI,EAAI,CACX,CACD,MAAOA,CAAAA,CACV,CAfD,CAwBAP,CAAO,CAACY,SAAR,CAAkBgB,GAAlB,CAAwB,SAASX,CAAT,CAAc,CAClC,GAAI,CAAC,KAAKf,SAAV,CAAqB,CACjB,QACH,CACDe,CAAG,CAAG,KAAKD,SAAL,CAAeC,CAAf,CAAN,CAEA,MAAO,MAAKhB,OAAL,CAAakB,OAAb,CAAqBF,CAArB,CACV,CAPD,CAiBAjB,CAAO,CAACY,SAAR,CAAkBiB,GAAlB,CAAwB,SAASZ,CAAT,CAAca,CAAd,CAAqB,CACzC,GAAI,CAAC,KAAK5B,SAAV,CAAqB,CACjB,QACH,CACDe,CAAG,CAAG,KAAKD,SAAL,CAAeC,CAAf,CAAN,CAEA,GAAI,CACA,KAAKhB,OAAL,CAAaY,OAAb,CAAqBI,CAArB,CAA0Ba,CAA1B,CACH,CAAC,MAAOC,CAAP,CAAU,CACR,QACH,CACD,QACH,CAZD,CAcA,MAAO/B,CAAAA,CACV,CA3IK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Wrap an instance of the browser's local or session storage to handle\n * cache expiry, key namespacing and other helpful things.\n *\n * @module     core/storagewrapper\n * @package    core\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/config'], function(config) {\n\n    /**\n     * Constructor.\n     *\n     * @param {object} storage window.localStorage or window.sessionStorage\n     */\n    var Wrapper = function(storage) {\n        this.storage = storage;\n        this.supported = this.detectSupport();\n        this.hashSource = config.wwwroot + '/' + config.jsrev;\n        this.hash = this.hashString(this.hashSource);\n        this.prefix = this.hash + '/';\n        this.jsrevPrefix = this.hashString(config.wwwroot) + '/jsrev';\n        this.validateCache();\n    };\n\n    /**\n     * Check if the browser supports the type of storage.\n     *\n     * @method detectSupport\n     * @return {boolean} True if the browser supports storage.\n     */\n    Wrapper.prototype.detectSupport = function() {\n        if (config.jsrev == -1) {\n            // Disable cache if debugging.\n            return false;\n        }\n        if (typeof (this.storage) === \"undefined\") {\n            return false;\n        }\n        var testKey = 'test';\n        try {\n            if (this.storage === null) {\n                return false;\n            }\n            // MDL-51461 - Some browsers misreport availability of the storage\n            // so check it is actually usable.\n            this.storage.setItem(testKey, '1');\n            this.storage.removeItem(testKey);\n            return true;\n        } catch (ex) {\n            return false;\n        }\n    };\n\n    /**\n     * Add a unique prefix to all keys so multiple moodle sites do not share caches.\n     *\n     * @method prefixKey\n     * @param {string} key The cache key to prefix.\n     * @return {string} The new key\n     */\n    Wrapper.prototype.prefixKey = function(key) {\n        return this.prefix + key;\n    };\n\n    /**\n     * Check the current jsrev version and clear the cache if it has been bumped.\n     *\n     * @method validateCache\n     */\n    Wrapper.prototype.validateCache = function() {\n        var cacheVersion = this.storage.getItem(this.jsrevPrefix);\n        if (cacheVersion === null) {\n            this.storage.setItem(this.jsrevPrefix, config.jsrev);\n            return;\n        }\n\n        var moodleVersion = config.jsrev;\n        if (moodleVersion != cacheVersion) {\n            this.storage.clear();\n            this.storage.setItem(this.jsrevPrefix, config.jsrev);\n        }\n    };\n\n    /**\n     * Hash a string, used to make shorter key prefixes.\n     *\n     * @method hashString\n     * @param {String} source The string to hash\n     * @return {Number}\n     */\n    Wrapper.prototype.hashString = function(source) {\n        // From http://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript-jquery.\n        /* jshint bitwise: false */\n        /* eslint no-bitwise: \"off\" */\n        var hash = 0;\n        var i, chr, len;\n        if (source.length === 0) {\n            return hash;\n        }\n        for (i = 0, len = source.length; i < len; i++) {\n            chr = source.charCodeAt(i);\n            hash = ((hash << 5) - hash) + chr;\n            hash |= 0; // Convert to 32bit integer\n        }\n        return hash;\n    };\n\n    /**\n     * Get a value from local storage. Remember - all values must be strings.\n     *\n     * @method get\n     * @param {string} key The cache key to check.\n     * @return {boolean|string} False if the value is not in the cache, or some other error - a string otherwise.\n     */\n    Wrapper.prototype.get = function(key) {\n        if (!this.supported) {\n            return false;\n        }\n        key = this.prefixKey(key);\n\n        return this.storage.getItem(key);\n    };\n\n    /**\n     * Set a value to local storage. Remember - all values must be strings.\n     *\n     * @method set\n     * @param {string} key The cache key to set.\n     * @param {string} value The value to set.\n     * @return {boolean} False if the value can't be saved in the cache, or some other error - true otherwise.\n     */\n    Wrapper.prototype.set = function(key, value) {\n        if (!this.supported) {\n            return false;\n        }\n        key = this.prefixKey(key);\n        // This can throw exceptions when the storage limit is reached.\n        try {\n            this.storage.setItem(key, value);\n        } catch (e) {\n            return false;\n        }\n        return true;\n    };\n\n    return Wrapper;\n});\n"],"file":"storagewrapper.min.js"}
\ No newline at end of file
+{"version":3,"file":"storagewrapper.min.js","sources":["../src/storagewrapper.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Wrap an instance of the browser's local or session storage to handle\n * cache expiry, key namespacing and other helpful things.\n *\n * @module     core/storagewrapper\n * @package    core\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/config'], function(config) {\n\n    /**\n     * Constructor.\n     *\n     * @param {object} storage window.localStorage or window.sessionStorage\n     */\n    var Wrapper = function(storage) {\n        this.storage = storage;\n        this.supported = this.detectSupport();\n        this.hashSource = config.wwwroot + '/' + config.jsrev;\n        this.hash = this.hashString(this.hashSource);\n        this.prefix = this.hash + '/';\n        this.jsrevPrefix = this.hashString(config.wwwroot) + '/jsrev';\n        this.validateCache();\n    };\n\n    /**\n     * Check if the browser supports the type of storage.\n     *\n     * @method detectSupport\n     * @return {boolean} True if the browser supports storage.\n     */\n    Wrapper.prototype.detectSupport = function() {\n        if (config.jsrev == -1) {\n            // Disable cache if debugging.\n            return false;\n        }\n        if (typeof (this.storage) === \"undefined\") {\n            return false;\n        }\n        var testKey = 'test';\n        try {\n            if (this.storage === null) {\n                return false;\n            }\n            // MDL-51461 - Some browsers misreport availability of the storage\n            // so check it is actually usable.\n            this.storage.setItem(testKey, '1');\n            this.storage.removeItem(testKey);\n            return true;\n        } catch (ex) {\n            return false;\n        }\n    };\n\n    /**\n     * Add a unique prefix to all keys so multiple moodle sites do not share caches.\n     *\n     * @method prefixKey\n     * @param {string} key The cache key to prefix.\n     * @return {string} The new key\n     */\n    Wrapper.prototype.prefixKey = function(key) {\n        return this.prefix + key;\n    };\n\n    /**\n     * Check the current jsrev version and clear the cache if it has been bumped.\n     *\n     * @method validateCache\n     */\n    Wrapper.prototype.validateCache = function() {\n        var cacheVersion = this.storage.getItem(this.jsrevPrefix);\n        if (cacheVersion === null) {\n            this.storage.setItem(this.jsrevPrefix, config.jsrev);\n            return;\n        }\n\n        var moodleVersion = config.jsrev;\n        if (moodleVersion != cacheVersion) {\n            this.storage.clear();\n            this.storage.setItem(this.jsrevPrefix, config.jsrev);\n        }\n    };\n\n    /**\n     * Hash a string, used to make shorter key prefixes.\n     *\n     * @method hashString\n     * @param {String} source The string to hash\n     * @return {Number}\n     */\n    Wrapper.prototype.hashString = function(source) {\n        // From http://stackoverflow.com/questions/7616461/generate-a-hash-from-string-in-javascript-jquery.\n        /* jshint bitwise: false */\n        /* eslint no-bitwise: \"off\" */\n        var hash = 0;\n        var i, chr, len;\n        if (source.length === 0) {\n            return hash;\n        }\n        for (i = 0, len = source.length; i < len; i++) {\n            chr = source.charCodeAt(i);\n            hash = ((hash << 5) - hash) + chr;\n            hash |= 0; // Convert to 32bit integer\n        }\n        return hash;\n    };\n\n    /**\n     * Get a value from local storage. Remember - all values must be strings.\n     *\n     * @method get\n     * @param {string} key The cache key to check.\n     * @return {boolean|string} False if the value is not in the cache, or some other error - a string otherwise.\n     */\n    Wrapper.prototype.get = function(key) {\n        if (!this.supported) {\n            return false;\n        }\n        key = this.prefixKey(key);\n\n        return this.storage.getItem(key);\n    };\n\n    /**\n     * Set a value to local storage. Remember - all values must be strings.\n     *\n     * @method set\n     * @param {string} key The cache key to set.\n     * @param {string} value The value to set.\n     * @return {boolean} False if the value can't be saved in the cache, or some other error - true otherwise.\n     */\n    Wrapper.prototype.set = function(key, value) {\n        if (!this.supported) {\n            return false;\n        }\n        key = this.prefixKey(key);\n        // This can throw exceptions when the storage limit is reached.\n        try {\n            this.storage.setItem(key, value);\n        } catch (e) {\n            return false;\n        }\n        return true;\n    };\n\n    return Wrapper;\n});\n"],"names":["define","config","Wrapper","storage","supported","this","detectSupport","hashSource","wwwroot","jsrev","hash","hashString","prefix","jsrevPrefix","validateCache","prototype","setItem","removeItem","ex","prefixKey","key","cacheVersion","getItem","clear","source","i","len","length","charCodeAt","get","set","value","e"],"mappings":";;;;;;;;;AAwBAA,6BAAO,CAAC,gBAAgB,SAASC,YAOzBC,QAAU,SAASC,cACdA,QAAUA,aACVC,UAAYC,KAAKC,qBACjBC,WAAaN,OAAOO,QAAU,IAAMP,OAAOQ,WAC3CC,KAAOL,KAAKM,WAAWN,KAAKE,iBAC5BK,OAASP,KAAKK,KAAO,SACrBG,YAAcR,KAAKM,WAAWV,OAAOO,SAAW,cAChDM,wBASTZ,QAAQa,UAAUT,cAAgB,eACT,GAAjBL,OAAOQ,aAEA,UAEmB,IAAlBJ,KAAKF,eACN,aAIc,OAAjBE,KAAKF,eAKJA,QAAQa,QAPH,OAOoB,UACzBb,QAAQc,WARH,SASH,GACT,MAAOC,WACE,IAWfhB,QAAQa,UAAUI,UAAY,SAASC,YAC5Bf,KAAKO,OAASQ,KAQzBlB,QAAQa,UAAUD,cAAgB,eAC1BO,aAAehB,KAAKF,QAAQmB,QAAQjB,KAAKQ,aACxB,OAAjBQ,aAKgBpB,OAAOQ,OACNY,oBACZlB,QAAQoB,aACRpB,QAAQa,QAAQX,KAAKQ,YAAaZ,OAAOQ,aAPzCN,QAAQa,QAAQX,KAAKQ,YAAaZ,OAAOQ,QAkBtDP,QAAQa,UAAUJ,WAAa,SAASa,YAKhCC,EAAQC,IADRhB,KAAO,KAEW,IAAlBc,OAAOG,cACAjB,SAENe,EAAI,EAAGC,IAAMF,OAAOG,OAAQF,EAAIC,IAAKD,IAEtCf,MAASA,MAAQ,GAAKA,KADhBc,OAAOI,WAAWH,GAExBf,MAAQ,SAELA,MAUXR,QAAQa,UAAUc,IAAM,SAAST,aACxBf,KAAKD,YAGVgB,IAAMf,KAAKc,UAAUC,KAEdf,KAAKF,QAAQmB,QAAQF,OAWhClB,QAAQa,UAAUe,IAAM,SAASV,IAAKW,WAC7B1B,KAAKD,iBACC,EAEXgB,IAAMf,KAAKc,UAAUC,cAGZjB,QAAQa,QAAQI,IAAKW,OAC5B,MAAOC,UACE,SAEJ,GAGJ9B"}
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diff --git a/lib/amd/build/str.min.js b/lib/amd/build/str.min.js
index 117335df8b3..7e947a81fae 100644
--- a/lib/amd/build/str.min.js
+++ b/lib/amd/build/str.min.js
@@ -1,2 +1,3 @@
-define ("core/str",["exports","jquery","core/ajax","core/localstorage"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.get_strings=a.get_string=a.cache_strings=void 0;b=e(b);c=e(c);d=e(d);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?f(Object(c),!0).forEach(function(b){h(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}var i=[];a.get_string=function get_string(a,b,c,d){return j([{key:a,component:b,param:c,lang:d}]).then(function(a){return a[0]})};var j=function(a){var e=[],f=(0,b.default)("html").attr("lang").replace(/-/g,"_"),j=function(a){var b=a.key,c=a.component,d=a.lang,e=void 0===d?f:d;if(!c){c="core"}return"core_str/".concat(b,"/").concat(c,"/").concat(e)},k=a.map(function(a){var b=j(a),c=a.component,k=a.key,l=a.param,m=a.lang,n=void 0===m?f:m,o=function(a){i[b]=a;return a};if(c in M.str&&k in M.str[c]){return o(new Promise(function(a){a(M.util.get_string(k,c,l,n))}))}var p=d.default.get(b);if(p){M.str[c]=g(g({},M.str[c]),{},h({},k,p));return o(new Promise(function(a){a(M.util.get_string(k,c,l,n))}))}if(b in i){return o(i[b]).then(function(){return M.util.get_string(k,c,l,n)})}else{return o(new Promise(function(a,f){e.push({methodname:"core_get_string",args:{stringid:k,stringparams:[],component:c,lang:n},done:function done(e){M.str[c]=g(g({},M.str[c]),{},h({},k,e));d.default.set(b,e);a(M.util.get_string(k,c,l,n))},fail:f})}))}});if(e.length){c.default.call(e,!0,!1,!1,0,M.cfg.langrev)}return b.default.when.apply(b.default,k).then(function(){for(var a=arguments.length,b=Array(a),c=0;c<a;c++){b[c]=arguments[c]}return b})};a.get_strings=j;var k=function(a){var c=(0,b.default)("html").attr("lang").replace(/-/g,"_");a.forEach(function(a){var e=a.key,f=a.component,g=a.value,h=a.lang,j=void 0===h?c:h,k=["core_str",e,f,j].join("/");if(!(f in M.str)||!(e in M.str[f])){if(!(f in M.str)){M.str[f]={}}M.str[f][e]=g}if(!d.default.get(k)){d.default.set(k,g)}if(!(k in i)){i[k]=b.default.Deferred().resolve(g).promise()}})};a.cache_strings=k});
-//# sourceMappingURL=str.min.js.map
+define("core/str",["exports","jquery","core/ajax","core/localstorage"],(function(_exports,_jquery,_ajax,_localstorage){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.get_strings=_exports.get_string=_exports.cache_strings=void 0,_jquery=_interopRequireDefault(_jquery),_ajax=_interopRequireDefault(_ajax),_localstorage=_interopRequireDefault(_localstorage);var promiseCache=[];_exports.get_string=function(key,component,param,lang){return get_strings([{key:key,component:component,param:param,lang:lang}]).then((function(results){return results[0]}))};var get_strings=function(requests){var requestData=[],pageLang=(0,_jquery.default)("html").attr("lang").replace(/-/g,"_"),stringPromises=requests.map((function(request){var cacheKey=function(_ref){var key=_ref.key,component=_ref.component,_ref$lang=_ref.lang,lang=void 0===_ref$lang?pageLang:_ref$lang;return component||(component="core"),"core_str/".concat(key,"/").concat(component,"/").concat(lang)}(request),component=request.component,key=request.key,param=request.param,_request$lang=request.lang,lang=void 0===_request$lang?pageLang:_request$lang,buildReturn=function(promise){return promiseCache[cacheKey]=promise,promise};if(component in M.str&&key in M.str[component])return buildReturn(new Promise((function(resolve){resolve(M.util.get_string(key,component,param,lang))})));var cached=_localstorage.default.get(cacheKey);return cached?(M.str[component]=_objectSpread(_objectSpread({},M.str[component]),{},_defineProperty({},key,cached)),buildReturn(new Promise((function(resolve){resolve(M.util.get_string(key,component,param,lang))})))):cacheKey in promiseCache?buildReturn(promiseCache[cacheKey]).then((function(){return M.util.get_string(key,component,param,lang)})):buildReturn(new Promise((function(resolve,reject){requestData.push({methodname:"core_get_string",args:{stringid:key,stringparams:[],component:component,lang:lang},done:function(str){M.str[component]=_objectSpread(_objectSpread({},M.str[component]),{},_defineProperty({},key,str)),_localstorage.default.set(cacheKey,str),resolve(M.util.get_string(key,component,param,lang))},fail:reject})})))}));return requestData.length&&_ajax.default.call(requestData,!0,!1,!1,0,M.cfg.langrev),_jquery.default.when.apply(_jquery.default,stringPromises).then((function(){for(var _len=arguments.length,strings=new Array(_len),_key=0;_key<_len;_key++)strings[_key]=arguments[_key];return strings}))};_exports.get_strings=get_strings;_exports.cache_strings=function(strings){var defaultLang=(0,_jquery.default)("html").attr("lang").replace(/-/g,"_");strings.forEach((function(_ref2){var key=_ref2.key,component=_ref2.component,value=_ref2.value,_ref2$lang=_ref2.lang,cacheKey=["core_str",key,component,void 0===_ref2$lang?defaultLang:_ref2$lang].join("/");component in M.str&&key in M.str[component]||(component in M.str||(M.str[component]={}),M.str[component][key]=value),_localstorage.default.get(cacheKey)||_localstorage.default.set(cacheKey,value),cacheKey in promiseCache||(promiseCache[cacheKey]=_jquery.default.Deferred().resolve(value).promise())}))}}));
+
+//# sourceMappingURL=str.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/str.min.js.map b/lib/amd/build/str.min.js.map
index 1b265a216d0..f3642f6b16f 100644
--- a/lib/amd/build/str.min.js.map
+++ b/lib/amd/build/str.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Fetch and render language strings.\n * Hooks into the old M.str global - but can also fetch missing strings on the fly.\n *\n * @module     core/str\n * @class      str\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\nimport $ from 'jquery';\nimport Ajax from 'core/ajax';\nimport LocalStorage from 'core/localstorage';\n\n// Module cache for the promises so that we don't make multiple\n// unnecessary requests.\nlet promiseCache = [];\n\n/**\n * Return a promise object that will be resolved into a string eventually (maybe immediately).\n *\n * @method get_string\n * @param {string} key The language string key\n * @param {string} component The language string component\n * @param {string} param The param for variable expansion in the string.\n * @param {string} lang The users language - if not passed it is 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\ No newline at end of file
+{"version":3,"file":"str.min.js","sources":["../src/str.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Fetch and render language strings.\n * Hooks into the old M.str global - but can also fetch missing strings on the fly.\n *\n * @module     core/str\n * @class      str\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\nimport $ from 'jquery';\nimport Ajax from 'core/ajax';\nimport LocalStorage from 'core/localstorage';\n\n// Module cache for the promises so that we don't make multiple\n// unnecessary requests.\nlet promiseCache = [];\n\n/**\n * Return a promise object that will be resolved into a string eventually (maybe immediately).\n *\n * @method get_string\n * @param {string} key The language string key\n * @param {string} component The language string component\n * @param {string} param The param for variable expansion in the string.\n * @param {string} lang The users language - if not passed it is 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const {component, key, param, lang = pageLang} = request;\n        // Helper function to add the promise to cache.\n        const buildReturn = (promise) => {\n            // Make sure the promise cache contains our promise.\n            promiseCache[cacheKey] = promise;\n            return promise;\n        };\n\n        // Check if we can serve the string straight from M.str.\n        if (component in M.str && key in M.str[component]) {\n            return buildReturn(new Promise((resolve) => {\n                resolve(M.util.get_string(key, component, param, lang));\n            }));\n        }\n\n        // Check if the string is in the browser's local storage.\n        const cached = LocalStorage.get(cacheKey);\n        if (cached) {\n            M.str[component] = {...M.str[component], [key]: cached};\n            return buildReturn(new Promise((resolve) => {\n                resolve(M.util.get_string(key, component, param, lang));\n            }));\n        }\n\n        // Check if we've already loaded this string from the server.\n        if (cacheKey in promiseCache) {\n            return buildReturn(promiseCache[cacheKey]).then(() => {\n                return M.util.get_string(key, component, param, lang);\n            });\n        } else {\n            // We're going to have to ask the server for the string so\n            // add this string to the list of requests to be sent.\n            return buildReturn(new Promise((resolve, reject) => {\n                requestData.push({\n                    methodname: 'core_get_string',\n                    args: {\n                        stringid: key,\n                        stringparams: [],\n                        component,\n                        lang,\n                    },\n                    done: (str) => {\n                        // When we get the response from the server\n                        // we should update M.str and the browser's\n                        // local storage before resolving this promise.\n                        M.str[component] = {...M.str[component], [key]: str};\n                        LocalStorage.set(cacheKey, str);\n                        resolve(M.util.get_string(key, component, param, lang));\n                    },\n                    fail: reject\n                });\n            }));\n        }\n    });\n\n    if (requestData.length) {\n        // If we need to load any strings from the server then send\n        // off the request.\n        Ajax.call(requestData, true, false, false, 0, M.cfg.langrev);\n    }\n\n    // We need to use jQuery here because some calling code uses the\n    // .done handler instead of the .then handler.\n    return $.when.apply($, stringPromises)\n        .then((...strings) => strings);\n};\n\n/**\n * Add a list of strings to the caches.\n *\n * @method cache_strings\n * @param {Object[]} strings Array of { key: key, component: component, lang: lang, value: value }\n */\nexport const cache_strings = (strings) => {\n    const defaultLang = $('html').attr('lang').replace(/-/g, '_');\n\n    strings.forEach(({key, component, value, lang = defaultLang}) => {\n        const cacheKey = ['core_str', key, component, lang].join('/');\n\n        // Check M.str caching.\n        if (!(component in M.str) || !(key in M.str[component])) {\n            if (!(component in M.str)) {\n                M.str[component] = {};\n            }\n\n            M.str[component][key] = value;\n        }\n\n        // Check local storage.\n        if (!LocalStorage.get(cacheKey)) {\n            LocalStorage.set(cacheKey, value);\n        }\n\n        // Check the promises cache.\n        if (!(cacheKey in promiseCache)) {\n            promiseCache[cacheKey] = $.Deferred().resolve(value).promise();\n        }\n    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diff --git a/lib/amd/build/tag.min.js b/lib/amd/build/tag.min.js
index ba37d4e82f8..f1f8abb05a1 100644
--- a/lib/amd/build/tag.min.js
+++ b/lib/amd/build/tag.min.js
@@ -1,2 +1,12 @@
-define ("core/tag",["jquery","core/ajax","core/templates","core/notification","core/str","core/modal_factory","core/modal_events","core/pending"],function(a,b,c,d,f,g,h,i){return{initTagindexPage:function initTagindexPage(){a("body").delegate(".tagarea[data-ta] a[data-quickload=1]","click",function(f){var e=new i("core/tag:initTagindexPage");f.preventDefault();var g=a(this),h=g[0].search.replace(/^\?/,""),j=g.closest(".tagarea[data-ta]"),k=h.split("&").reduce(function(a,b){var c=b.split("=");a[c[0]]=decodeURIComponent(c[1]);return a},{});b.call([{methodname:"core_tag_get_tagindex",args:{tagindex:k}}])[0].then(function(a){return c.render("core_tag/index",a)}).then(function(a,b){c.replaceNode(j,a,b)}).always(e.resolve).catch(d.exception)})},initManagePage:function initManagePage(){a("body").on("updated","[data-inplaceeditable]",function(b){var c=new i("core/tag:initManagePage");f.get_strings([{key:"selecttag",component:"core_tag"},{key:"now",component:"core"}]).then(function(c){a("label[for=\"tagselect"+b.ajaxreturn.itemid+"\"]").html(c[0]);a(b.target).closest("tr").find("td.col-timemodified").html(c[1])}).always(c.resolve).catch(d.exception);if("tagflag"===b.ajaxreturn.itemtype){var e=a(b.target).closest("tr");if("0"===b.ajaxreturn.value){e.removeClass("flagged-tag")}else{e.addClass("flagged-tag")}}});a(".tag-management-table").delegate("a.tagdelete","click",function(b){var c=new i("core/tag:tagdelete");b.preventDefault();var e=a(this).attr("href");f.get_strings([{key:"delete",component:"core"},{key:"confirmdeletetag",component:"tag"},{key:"yes",component:"core"},{key:"no",component:"core"}]).then(function(a){return d.confirm(a[0],a[1],a[2],a[3],function(){window.location.href=e})}).always(c.resolve).catch(d.exception)});a("#tag-management-delete").click(function(b){var c=a(this).closest("form").get(0),e=a(c).find("input[type=checkbox]:checked").length;if(!e){return}var g=new i("core/tag:tag-management-delete"),h=a("<input type='hidden'/>").attr("name",this.name);b.preventDefault();f.get_strings([{key:"delete",component:"core"},{key:"confirmdeletetags",component:"tag"},{key:"yes",component:"core"},{key:"no",component:"core"}]).then(function(a){return d.confirm(a[0],a[1],a[2],a[3],function(){h.appendTo(c);c.submit()})}).always(g.resolve).catch(d.exception)});a("#tag-management-combine").click(function(b){var e=new i("core/tag:tag-management-combine");b.preventDefault();var j=a(this).closest("form").get(0),k=a(j).find("input[type=checkbox]:checked");if(1>=k.length){f.get_strings([{key:"combineselected",component:"tag"},{key:"selectmultipletags",component:"tag"},{key:"ok"}]).then(function(a){return d.alert(a[0],a[1],a[2])}).always(e.resolve).catch(d.exception);return}var l=a("<input type='hidden'/>").attr("name",this.name),m="",n=[];k.each(function(){var b=a(this).val(),c=a(".inplaceeditable[data-itemtype=tagname][data-itemid="+b+"]").attr("data-value");n.push({id:b,name:c})});f.get_strings([{key:"combineselected",component:"tag"},{key:"continue",component:"core"}]).then(function(a){var b=a[0];m=a[1];return g.create({title:b,body:c.render("core_tag/combine_tags",{tags:n}),type:g.types.SAVE_CANCEL})}).then(function(a){a.setSaveButtonText(m);return a}).then(function(b){b.getRoot().on(h.save,function(b){b.preventDefault();l.appendTo(j);var c=a("input[name=maintag]:checked","#combinetags_form").val();a("<input type='hidden'/>").attr("name","maintag").attr("value",c).appendTo(j);j.submit()});b.getRoot().on(h.hidden,function(){b.destroy()});b.show();a("#combinetags_form input[type=radio]").first().focus().prop("checked",!0)}).always(e.resolve).catch(d.exception)});a("body").on("updatefailed","[data-inplaceeditable][data-itemtype=tagname]",function(b){var c=b.exception,e=b.newvalue,g=a(b.target).attr("data-itemid");if("namesalreadybeeingused"===c.errorcode){var h=new i("core/tag:updatefailed");b.preventDefault();f.get_strings([{key:"confirm",component:"core"},{key:"nameuseddocombine",component:"tag"},{key:"yes",component:"core"},{key:"cancel",component:"core"}]).then(function(a){return d.confirm(a[0],a[1],a[2],a[3],function(){window.location.href=window.location.href+"&newname="+encodeURIComponent(e)+"&tagid="+encodeURIComponent(g)+"&action=renamecombine&sesskey="+M.cfg.sesskey})}).always(h.resolve).catch(d.exception)}});a("body").on("click","a[data-action=addstandardtag]",function(b){var e=new i("core/tag:addstandardtag");b.preventDefault();return g.create({title:f.get_string("addotags","tag"),body:c.render("core_tag/add_tags",{actionurl:window.location.href,sesskey:M.cfg.sesskey}),type:g.types.SAVE_CANCEL}).then(function(b){b.setSaveButtonText(f.get_string("continue","core"));b.getRoot().on(h.save,function(b){var c=a(b.currentTarget).find("#id_tagslist"),d=c.val().trim();c.val(d);var e=a("#addtags_form");e.on("submit",function(b){var c=a("#addtags_form");if(!1===c[0].checkValidity()){b.preventDefault();b.stopPropagation()}c.addClass("was-validated");a("[data-region=\"tagslistinput\"]").addClass("error");var d=a("#id_tagslist_error_message");d.removeAttr("hidden");d.addClass("help-block")});e.submit();return!1});b.getRoot().on(h.hidden,function(){b.destroy()});b.show()}).always(e.resolve).catch(d.exception)})},initManageCollectionsPage:function initManageCollectionsPage(){a("body").on("updated","[data-inplaceeditable]",function(b){var c=new i("core/tag:initManageCollectionsPage-updated"),d=b.ajaxreturn,e,f,g;if("core_tag"===d.component&&"tagareaenable"===d.itemtype){e=a(this).attr("data-itemid");a(".tag-collections-table ul[data-collectionid] li[data-areaid="+e+"]").hide();g=d.value;if("1"===g){a(this).closest("tr").removeClass("dimmed_text");f=a(this).closest("tr").find("[data-itemtype=\"tagareacollection\"]").attr("data-value");a(".tag-collections-table ul[data-collectionid="+f+"] li[data-areaid="+e+"]").show()}else{a(this).closest("tr").addClass("dimmed_text")}}if("core_tag"===d.component&&"tagareacollection"===d.itemtype){e=a(this).attr("data-itemid");a(".tag-collections-table ul[data-collectionid] li[data-areaid="+e+"]").hide();f=a(this).attr("data-value");g=a(this).closest("tr").find("[data-itemtype=\"tagareaenable\"]").attr("data-value");if("1"===g){a(".tag-collections-table ul[data-collectionid="+f+"] li[data-areaid="+e+"]").show()}}c.resolve()});a("body").on("click",".addtagcoll > a",function(b){var e=new i("core/tag:initManageCollectionsPage-addtagcoll");b.preventDefault();var j=a(this).attr("data-url"),k="";f.get_strings([{key:"addtagcoll",component:"tag"},{key:"create",component:"core"}]).then(function(a){var b=a[0];k=a[1];var d={actionurl:j,sesskey:M.cfg.sesskey};return g.create({title:b,body:c.render("core_tag/add_tag_collection",d),type:g.types.SAVE_CANCEL})}).then(function(b){b.setSaveButtonText(k);b.getRoot().on(h.save,function(b){var c=a(b.currentTarget).find("#addtagcoll_name"),d=c.val().trim();c.val(d);var f=a("#addtagcoll_form");f.on("submit",function(b){if(!1===f[0].checkValidity()){b.preventDefault();b.stopPropagation()}f.addClass("was-validated");a("[data-region=\"addtagcoll_nameinput\"]").addClass("error");var c=a("#id_addtagcoll_name_error_message");c.removeAttr("hidden");c.addClass("help-block")});f.submit();return!1});b.getRoot().on(h.hidden,function(){b.destroy()});b.show();return b}).always(e.resolve).catch(d.exception)});a("body").on("click",".tag-collections-table .action_delete",function(b){var c=new i("core/tag:initManageCollectionsPage-action_delete");b.preventDefault();var e=a(this).attr("data-url")+"&sesskey="+M.cfg.sesskey;f.get_strings([{key:"delete"},{key:"suredeletecoll",component:"tag",param:a(this).attr("data-collname")},{key:"yes"},{key:"no"}]).then(function(a){return d.confirm(a[0],a[1],a[2],a[3],function(){window.location.href=e})}).always(c.resolve).catch(d.exception)})}}});
-//# sourceMappingURL=tag.min.js.map
+/**
+ * AJAX helper for the tag management page.
+ *
+ * @module     core/tag
+ * @package    core_tag
+ * @copyright  2015 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.0
+ */
+define("core/tag",["jquery","core/ajax","core/templates","core/notification","core/str","core/modal_factory","core/modal_events","core/pending"],(function($,ajax,templates,notification,str,ModalFactory,ModalEvents,Pending){return{initTagindexPage:function(){$("body").delegate(".tagarea[data-ta] a[data-quickload=1]","click",(function(e){var pendingPromise=new Pending("core/tag:initTagindexPage");e.preventDefault();var target=$(this),query=target[0].search.replace(/^\?/,""),tagarea=target.closest(".tagarea[data-ta]"),args=query.split("&").reduce((function(s,c){var t=c.split("=");return s[t[0]]=decodeURIComponent(t[1]),s}),{});ajax.call([{methodname:"core_tag_get_tagindex",args:{tagindex:args}}])[0].then((function(data){return templates.render("core_tag/index",data)})).then((function(html,js){templates.replaceNode(tagarea,html,js)})).always(pendingPromise.resolve).catch(notification.exception)}))},initManagePage:function(){$("body").on("updated","[data-inplaceeditable]",(function(e){var pendingPromise=new Pending("core/tag:initManagePage");if(str.get_strings([{key:"selecttag",component:"core_tag"},{key:"now",component:"core"}]).then((function(result){$('label[for="tagselect'+e.ajaxreturn.itemid+'"]').html(result[0]),$(e.target).closest("tr").find("td.col-timemodified").html(result[1])})).always(pendingPromise.resolve).catch(notification.exception),"tagflag"===e.ajaxreturn.itemtype){var row=$(e.target).closest("tr");"0"===e.ajaxreturn.value?row.removeClass("flagged-tag"):row.addClass("flagged-tag")}})),$(".tag-management-table").delegate("a.tagdelete","click",(function(e){var pendingPromise=new Pending("core/tag:tagdelete");e.preventDefault();var href=$(this).attr("href");str.get_strings([{key:"delete",component:"core"},{key:"confirmdeletetag",component:"tag"},{key:"yes",component:"core"},{key:"no",component:"core"}]).then((function(s){return notification.confirm(s[0],s[1],s[2],s[3],(function(){window.location.href=href}))})).always(pendingPromise.resolve).catch(notification.exception)})),$("#tag-management-delete").click((function(e){var form=$(this).closest("form").get(0);if($(form).find("input[type=checkbox]:checked").length){var pendingPromise=new Pending("core/tag:tag-management-delete"),tempElement=$("<input type='hidden'/>").attr("name",this.name);e.preventDefault(),str.get_strings([{key:"delete",component:"core"},{key:"confirmdeletetags",component:"tag"},{key:"yes",component:"core"},{key:"no",component:"core"}]).then((function(s){return notification.confirm(s[0],s[1],s[2],s[3],(function(){tempElement.appendTo(form),form.submit()}))})).always(pendingPromise.resolve).catch(notification.exception)}})),$("#tag-management-combine").click((function(e){var pendingPromise=new Pending("core/tag:tag-management-combine");e.preventDefault();var form=$(this).closest("form").get(0),tags=$(form).find("input[type=checkbox]:checked");if(tags.length<=1)str.get_strings([{key:"combineselected",component:"tag"},{key:"selectmultipletags",component:"tag"},{key:"ok"}]).then((function(s){return notification.alert(s[0],s[1],s[2])})).always(pendingPromise.resolve).catch(notification.exception);else{var tempElement=$("<input type='hidden'/>").attr("name",this.name),saveButtonText="",tagOptions=[];tags.each((function(){var tagid=$(this).val(),tagname=$(".inplaceeditable[data-itemtype=tagname][data-itemid="+tagid+"]").attr("data-value");tagOptions.push({id:tagid,name:tagname})})),str.get_strings([{key:"combineselected",component:"tag"},{key:"continue",component:"core"}]).then((function(langStrings){var modalTitle=langStrings[0];saveButtonText=langStrings[1];var templateContext={tags:tagOptions};return ModalFactory.create({title:modalTitle,body:templates.render("core_tag/combine_tags",templateContext),type:ModalFactory.types.SAVE_CANCEL})})).then((function(modal){return modal.setSaveButtonText(saveButtonText),modal})).then((function(modal){modal.getRoot().on(ModalEvents.save,(function(e){e.preventDefault(),tempElement.appendTo(form);var maintag=$("input[name=maintag]:checked","#combinetags_form").val();$("<input type='hidden'/>").attr("name","maintag").attr("value",maintag).appendTo(form),form.submit()})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show(),$("#combinetags_form input[type=radio]").first().focus().prop("checked",!0)})).always(pendingPromise.resolve).catch(notification.exception)}})),$("body").on("updatefailed","[data-inplaceeditable][data-itemtype=tagname]",(function(e){var exception=e.exception,newvalue=e.newvalue,tagid=$(e.target).attr("data-itemid");if("namesalreadybeeingused"===exception.errorcode){var pendingPromise=new Pending("core/tag:updatefailed");e.preventDefault(),str.get_strings([{key:"confirm",component:"core"},{key:"nameuseddocombine",component:"tag"},{key:"yes",component:"core"},{key:"cancel",component:"core"}]).then((function(s){return notification.confirm(s[0],s[1],s[2],s[3],(function(){window.location.href=window.location.href+"&newname="+encodeURIComponent(newvalue)+"&tagid="+encodeURIComponent(tagid)+"&action=renamecombine&sesskey="+M.cfg.sesskey}))})).always(pendingPromise.resolve).catch(notification.exception)}})),$("body").on("click","a[data-action=addstandardtag]",(function(e){var pendingPromise=new Pending("core/tag:addstandardtag");return e.preventDefault(),ModalFactory.create({title:str.get_string("addotags","tag"),body:templates.render("core_tag/add_tags",{actionurl:window.location.href,sesskey:M.cfg.sesskey}),type:ModalFactory.types.SAVE_CANCEL}).then((function(modal){modal.setSaveButtonText(str.get_string("continue","core")),modal.getRoot().on(ModalEvents.save,(function(e){var tagsInput=$(e.currentTarget).find("#id_tagslist"),name=tagsInput.val().trim();tagsInput.val(name);var tagsForm=$("#addtags_form");return tagsForm.on("submit",(function(e){var form=$("#addtags_form");!1===form[0].checkValidity()&&(e.preventDefault(),e.stopPropagation()),form.addClass("was-validated"),$('[data-region="tagslistinput"]').addClass("error");var errorMessage=$("#id_tagslist_error_message");errorMessage.removeAttr("hidden"),errorMessage.addClass("help-block")})),tagsForm.submit(),!1})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show()})).always(pendingPromise.resolve).catch(notification.exception)}))},initManageCollectionsPage:function(){$("body").on("updated","[data-inplaceeditable]",(function(e){var areaid,collid,pendingPromise=new Pending("core/tag:initManageCollectionsPage-updated"),ajaxreturn=e.ajaxreturn;"core_tag"===ajaxreturn.component&&"tagareaenable"===ajaxreturn.itemtype&&(areaid=$(this).attr("data-itemid"),$(".tag-collections-table ul[data-collectionid] li[data-areaid="+areaid+"]").hide(),"1"===ajaxreturn.value?($(this).closest("tr").removeClass("dimmed_text"),collid=$(this).closest("tr").find('[data-itemtype="tagareacollection"]').attr("data-value"),$(".tag-collections-table ul[data-collectionid="+collid+"] li[data-areaid="+areaid+"]").show()):$(this).closest("tr").addClass("dimmed_text")),"core_tag"===ajaxreturn.component&&"tagareacollection"===ajaxreturn.itemtype&&(areaid=$(this).attr("data-itemid"),$(".tag-collections-table ul[data-collectionid] li[data-areaid="+areaid+"]").hide(),collid=$(this).attr("data-value"),"1"===$(this).closest("tr").find('[data-itemtype="tagareaenable"]').attr("data-value")&&$(".tag-collections-table ul[data-collectionid="+collid+"] li[data-areaid="+areaid+"]").show()),pendingPromise.resolve()})),$("body").on("click",".addtagcoll > a",(function(e){var pendingPromise=new Pending("core/tag:initManageCollectionsPage-addtagcoll");e.preventDefault();var href=$(this).attr("data-url"),saveButtonText="";str.get_strings([{key:"addtagcoll",component:"tag"},{key:"create",component:"core"}]).then((function(langStrings){var modalTitle=langStrings[0];saveButtonText=langStrings[1];var templateContext={actionurl:href,sesskey:M.cfg.sesskey};return ModalFactory.create({title:modalTitle,body:templates.render("core_tag/add_tag_collection",templateContext),type:ModalFactory.types.SAVE_CANCEL})})).then((function(modal){return modal.setSaveButtonText(saveButtonText),modal.getRoot().on(ModalEvents.save,(function(e){var collectionInput=$(e.currentTarget).find("#addtagcoll_name"),name=collectionInput.val().trim();collectionInput.val(name);var form=$("#addtagcoll_form");return form.on("submit",(function(e){!1===form[0].checkValidity()&&(e.preventDefault(),e.stopPropagation()),form.addClass("was-validated"),$('[data-region="addtagcoll_nameinput"]').addClass("error");var errorMessage=$("#id_addtagcoll_name_error_message");errorMessage.removeAttr("hidden"),errorMessage.addClass("help-block")})),form.submit(),!1})),modal.getRoot().on(ModalEvents.hidden,(function(){modal.destroy()})),modal.show(),modal})).always(pendingPromise.resolve).catch(notification.exception)})),$("body").on("click",".tag-collections-table .action_delete",(function(e){var pendingPromise=new Pending("core/tag:initManageCollectionsPage-action_delete");e.preventDefault();var href=$(this).attr("data-url")+"&sesskey="+M.cfg.sesskey;str.get_strings([{key:"delete"},{key:"suredeletecoll",component:"tag",param:$(this).attr("data-collname")},{key:"yes"},{key:"no"}]).then((function(s){return notification.confirm(s[0],s[1],s[2],s[3],(function(){window.location.href=href}))})).always(pendingPromise.resolve).catch(notification.exception)}))}}}));
+
+//# sourceMappingURL=tag.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/tag.min.js.map b/lib/amd/build/tag.min.js.map
index 7db6808b675..67dac5bb47f 100644
--- a/lib/amd/build/tag.min.js.map
+++ b/lib/amd/build/tag.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AJAX helper for the tag management page.\n *\n * @module     core/tag\n * @package    core_tag\n * @copyright  2015 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.0\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/templates',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events',\n    'core/pending',\n], function(\n    $,\n    ajax,\n    templates,\n    notification,\n    str,\n    ModalFactory,\n    ModalEvents,\n    Pending\n) {\n    return /** @alias module:core/tag */ {\n\n        /**\n         * Initialises tag index page.\n         *\n         * @method initTagindexPage\n         */\n        initTagindexPage: function() {\n            // Click handler for changing tag type.\n            $('body').delegate('.tagarea[data-ta] a[data-quickload=1]', 'click', function(e) {\n                var pendingPromise = new Pending('core/tag:initTagindexPage');\n\n                e.preventDefault();\n                var target = $(this);\n                var query = target[0].search.replace(/^\\?/, '');\n                var tagarea = target.closest('.tagarea[data-ta]');\n                var args = query.split('&').reduce(function(s, c) {\n                      var t = c.split('=');\n                      s[t[0]] = decodeURIComponent(t[1]);\n                      return s;\n                    }, {});\n\n                ajax.call([{\n                    methodname: 'core_tag_get_tagindex',\n                    args: {tagindex: args}\n                }])[0]\n                .then(function(data) {\n                    return templates.render('core_tag/index', data);\n                })\n                .then(function(html, js) {\n                    templates.replaceNode(tagarea, html, js);\n                    return;\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        },\n\n        /**\n         * Initialises tag management page.\n         *\n         * @method initManagePage\n         */\n        initManagePage: function() {\n            // Set cell 'time modified' to 'now' when any of the element is updated in this row.\n            $('body').on('updated', '[data-inplaceeditable]', function(e) {\n                var pendingPromise = new Pending('core/tag:initManagePage');\n\n                str.get_strings([\n                    {\n                        key: 'selecttag',\n                        component: 'core_tag',\n                    },\n                    {\n                        key: 'now',\n                        component: 'core',\n                    },\n                ])\n                .then(function(result) {\n                    $('label[for=\"tagselect' + e.ajaxreturn.itemid + '\"]').html(result[0]);\n                    $(e.target).closest('tr').find('td.col-timemodified').html(result[1]);\n\n                    return;\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n\n                if (e.ajaxreturn.itemtype === 'tagflag') {\n                    var row = $(e.target).closest('tr');\n                    if (e.ajaxreturn.value === '0') {\n                        row.removeClass('flagged-tag');\n                    } else {\n                        row.addClass('flagged-tag');\n                    }\n                }\n            });\n\n            // Confirmation for single tag delete link.\n            $('.tag-management-table').delegate('a.tagdelete', 'click', function(e) {\n                var pendingPromise = new Pending('core/tag:tagdelete');\n\n                e.preventDefault();\n                var href = $(this).attr('href');\n                str.get_strings([\n                    {key: 'delete', component: 'core'},\n                    {key: 'confirmdeletetag', component: 'tag'},\n                    {key: 'yes', component: 'core'},\n                    {key: 'no', component: 'core'},\n                ])\n                .then(function(s) {\n                    return notification.confirm(s[0], s[1], s[2], s[3], function() {\n                        window.location.href = href;\n                    });\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n\n            // Confirmation for bulk tag delete button.\n            $(\"#tag-management-delete\").click(function(e) {\n                var form = $(this).closest('form').get(0);\n\n                var cnt = $(form).find(\"input[type=checkbox]:checked\").length;\n                if (!cnt) {\n                    return;\n                }\n\n                var pendingPromise = new Pending('core/tag:tag-management-delete');\n                var tempElement = $(\"<input type='hidden'/>\").attr('name', this.name);\n                e.preventDefault();\n                str.get_strings([\n                    {key: 'delete', component: 'core'},\n                    {key: 'confirmdeletetags', component: 'tag'},\n                    {key: 'yes', component: 'core'},\n                    {key: 'no', component: 'core'},\n                ])\n                .then(function(s) {\n                    return notification.confirm(s[0], s[1], s[2], s[3], function() {\n                        tempElement.appendTo(form);\n                        form.submit();\n                    });\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n\n            // Confirmation for bulk tag combine button.\n            $(\"#tag-management-combine\").click(function(e) {\n                var pendingPromise = new Pending('core/tag:tag-management-combine');\n\n                e.preventDefault();\n                var form = $(this).closest('form').get(0);\n                var tags = $(form).find(\"input[type=checkbox]:checked\");\n\n                if (tags.length <= 1) {\n                    str.get_strings([\n                        {key: 'combineselected', component: 'tag'},\n                        {key: 'selectmultipletags', component: 'tag'},\n                        {key: 'ok'},\n                    ])\n                    .then(function(s) {\n                        return notification.alert(s[0], s[1], s[2]);\n                    })\n                    .always(pendingPromise.resolve)\n                    .catch(notification.exception);\n\n                    return;\n                }\n\n                var tempElement = $(\"<input type='hidden'/>\").attr('name', this.name);\n                var saveButtonText = '';\n                var tagOptions = [];\n                tags.each(function() {\n                    var tagid = $(this).val(),\n                        tagname = $('.inplaceeditable[data-itemtype=tagname][data-itemid=' + tagid + ']').attr('data-value');\n                    tagOptions.push({\n                        id: tagid,\n                        name: tagname\n                    });\n                });\n\n                str.get_strings([\n                    {key: 'combineselected', component: 'tag'},\n                    {key: 'continue', component: 'core'}\n                ])\n                .then(function(langStrings) {\n                    var modalTitle = langStrings[0];\n                    saveButtonText = langStrings[1];\n                    var templateContext = {\n                        tags: tagOptions\n                    };\n                    return ModalFactory.create({\n                        title: modalTitle,\n                        body: templates.render('core_tag/combine_tags', templateContext),\n                        type: ModalFactory.types.SAVE_CANCEL\n                    });\n                })\n                .then(function(modal) {\n                    modal.setSaveButtonText(saveButtonText);\n\n                    return modal;\n                })\n                .then(function(modal) {\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function(e) {\n                        e.preventDefault();\n\n                        // Append this temp element in the form in the tags list, not the form in the modal. Confusing, right?!?\n                        tempElement.appendTo(form);\n                        // Get the selected tag from the modal.\n                        var maintag = $('input[name=maintag]:checked', '#combinetags_form').val();\n                        // Append this in the tags list form.\n                        $(\"<input type='hidden'/>\").attr('name', 'maintag').attr('value', maintag).appendTo(form);\n                        // Submit the tags list form.\n                        form.submit();\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    modal.show();\n                    // Tick the first option.\n                    $('#combinetags_form input[type=radio]').first().focus().prop('checked', true);\n\n                    return;\n\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n\n            // When user changes tag name to some name that already exists suggest to combine the tags.\n            $('body').on('updatefailed', '[data-inplaceeditable][data-itemtype=tagname]', function(e) {\n                var exception = e.exception; // The exception object returned by the callback.\n                var newvalue = e.newvalue; // The value that user tried to udpated the element to.\n                var tagid = $(e.target).attr('data-itemid');\n                if (exception.errorcode === 'namesalreadybeeingused') {\n                    var pendingPromise = new Pending('core/tag:updatefailed');\n\n                    e.preventDefault(); // This will prevent default error dialogue.\n                    str.get_strings([\n                        {key: 'confirm', component: 'core'},\n                        {key: 'nameuseddocombine', component: 'tag'},\n                        {key: 'yes', component: 'core'},\n                        {key: 'cancel', component: 'core'},\n                    ])\n                    .then(function(s) {\n                        return notification.confirm(s[0], s[1], s[2], s[3], function() {\n                            window.location.href = window.location.href + \"&newname=\" + encodeURIComponent(newvalue) +\n                                \"&tagid=\" + encodeURIComponent(tagid) +\n                                '&action=renamecombine&sesskey=' + M.cfg.sesskey;\n                        });\n                    })\n                    .always(pendingPromise.resolve)\n                    .catch(notification.exception);\n                }\n            });\n\n            // Form for adding standard tags.\n            $('body').on('click', 'a[data-action=addstandardtag]', function(e) {\n                var pendingPromise = new Pending('core/tag:addstandardtag');\n                e.preventDefault();\n\n                return ModalFactory.create({\n                    title: str.get_string('addotags', 'tag'),\n                    body: templates.render('core_tag/add_tags', {\n                        actionurl: window.location.href,\n                        sesskey: M.cfg.sesskey\n                    }),\n                    type: ModalFactory.types.SAVE_CANCEL\n                })\n                .then(function(modal) {\n                    modal.setSaveButtonText(str.get_string('continue', 'core'));\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function(e) {\n                        var tagsInput = $(e.currentTarget).find('#id_tagslist');\n                        var name = tagsInput.val().trim();\n\n                        // Set the text field's value to the trimmed value.\n                        tagsInput.val(name);\n\n                        // Add submit event listener to the form.\n                        var tagsForm = $('#addtags_form');\n                        tagsForm.on('submit', function(e) {\n                            // Validate the form.\n                            var form = $('#addtags_form');\n                            if (form[0].checkValidity() === false) {\n                                e.preventDefault();\n                                e.stopPropagation();\n                            }\n                            form.addClass('was-validated');\n\n                            // BS2 compatibility.\n                            $('[data-region=\"tagslistinput\"]').addClass('error');\n                            var errorMessage = $('#id_tagslist_error_message');\n                            errorMessage.removeAttr('hidden');\n                            errorMessage.addClass('help-block');\n                        });\n\n                        // Try to submit the form.\n                        tagsForm.submit();\n\n                        return false;\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    modal.show();\n\n                    return;\n\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        },\n\n        /**\n         * Initialises tag collection management page.\n         *\n         * @method initManageCollectionsPage\n         */\n        initManageCollectionsPage: function() {\n            $('body').on('updated', '[data-inplaceeditable]', function(e) {\n                var pendingPromise = new Pending('core/tag:initManageCollectionsPage-updated');\n\n                var ajaxreturn = e.ajaxreturn,\n                    areaid, collid, isenabled;\n                if (ajaxreturn.component === 'core_tag' && ajaxreturn.itemtype === 'tagareaenable') {\n                    areaid = $(this).attr('data-itemid');\n                    $(\".tag-collections-table ul[data-collectionid] li[data-areaid=\" + areaid + \"]\").hide();\n                    isenabled = ajaxreturn.value;\n                    if (isenabled === '1') {\n                        $(this).closest('tr').removeClass('dimmed_text');\n                        collid = $(this).closest('tr').find('[data-itemtype=\"tagareacollection\"]').attr(\"data-value\");\n                        $(\".tag-collections-table ul[data-collectionid=\" + collid + \"] li[data-areaid=\" + areaid + \"]\").show();\n                    } else {\n                        $(this).closest('tr').addClass('dimmed_text');\n                    }\n                }\n                if (ajaxreturn.component === 'core_tag' && ajaxreturn.itemtype === 'tagareacollection') {\n                    areaid = $(this).attr('data-itemid');\n                    $(\".tag-collections-table ul[data-collectionid] li[data-areaid=\" + areaid + \"]\").hide();\n                    collid = $(this).attr('data-value');\n                    isenabled = $(this).closest('tr').find('[data-itemtype=\"tagareaenable\"]').attr(\"data-value\");\n                    if (isenabled === \"1\") {\n                        $(\".tag-collections-table ul[data-collectionid=\" + collid + \"] li[data-areaid=\" + areaid + \"]\").show();\n                    }\n                }\n\n                pendingPromise.resolve();\n            });\n\n            $('body').on('click', '.addtagcoll > a', function(e) {\n                var pendingPromise = new Pending('core/tag:initManageCollectionsPage-addtagcoll');\n\n                e.preventDefault();\n                var keys = [\n                    {\n                        key: 'addtagcoll',\n                        component: 'tag'\n                    },\n                    {\n                        key: 'create',\n                        component: 'core'\n                    }\n                ];\n\n                var href = $(this).attr('data-url');\n                var saveButtonText = '';\n                str.get_strings(keys)\n                .then(function(langStrings) {\n                    var modalTitle = langStrings[0];\n                    saveButtonText = langStrings[1];\n                    var templateContext = {\n                        actionurl: href,\n                        sesskey: M.cfg.sesskey\n                    };\n                    return ModalFactory.create({\n                        title: modalTitle,\n                        body: templates.render('core_tag/add_tag_collection', templateContext),\n                        type: ModalFactory.types.SAVE_CANCEL\n                    });\n                })\n                .then(function(modal) {\n                    modal.setSaveButtonText(saveButtonText);\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function(e) {\n                        var collectionInput = $(e.currentTarget).find('#addtagcoll_name');\n                        var name = collectionInput.val().trim();\n                        // Set the text field's value to the trimmed value.\n                        collectionInput.val(name);\n\n                        // Add submit event listener to the form.\n                        var form = $('#addtagcoll_form');\n                        form.on('submit', function(e) {\n                            // Validate the form.\n                            if (form[0].checkValidity() === false) {\n                                e.preventDefault();\n                                e.stopPropagation();\n                            }\n                            form.addClass('was-validated');\n\n                            // BS2 compatibility.\n                            $('[data-region=\"addtagcoll_nameinput\"]').addClass('error');\n                            var errorMessage = $('#id_addtagcoll_name_error_message');\n                            errorMessage.removeAttr('hidden');\n                            errorMessage.addClass('help-block');\n                        });\n\n                        // Try to submit the form.\n                        form.submit();\n\n                        return false;\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    modal.show();\n\n                    return modal;\n\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n\n            $('body').on('click', '.tag-collections-table .action_delete', function(e) {\n                var pendingPromise = new Pending('core/tag:initManageCollectionsPage-action_delete');\n\n                e.preventDefault();\n                var href = $(this).attr('data-url') + '&sesskey=' + M.cfg.sesskey;\n                str.get_strings([\n                    {key: 'delete'},\n                    {key: 'suredeletecoll', component: 'tag', param: $(this).attr('data-collname')},\n                    {key: 'yes'},\n                    {key: 'no'},\n                ])\n                .then(function(s) {\n                    return notification.confirm(s[0], s[1], s[2], s[3], function() {\n                        window.location.href = href;\n                    });\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        }\n    };\n});\n"],"file":"tag.min.js"}
\ No newline at end of file
+{"version":3,"file":"tag.min.js","sources":["../src/tag.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AJAX helper for the tag management page.\n *\n * @module     core/tag\n * @package    core_tag\n * @copyright  2015 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.0\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/templates',\n    'core/notification',\n    'core/str',\n    'core/modal_factory',\n    'core/modal_events',\n    'core/pending',\n], function(\n    $,\n    ajax,\n    templates,\n    notification,\n    str,\n    ModalFactory,\n    ModalEvents,\n    Pending\n) {\n    return /** @alias module:core/tag */ {\n\n        /**\n         * Initialises tag index page.\n         *\n         * @method initTagindexPage\n         */\n        initTagindexPage: function() {\n            // Click handler for changing tag type.\n            $('body').delegate('.tagarea[data-ta] a[data-quickload=1]', 'click', function(e) {\n                var pendingPromise = new Pending('core/tag:initTagindexPage');\n\n                e.preventDefault();\n                var target = $(this);\n                var query = target[0].search.replace(/^\\?/, '');\n                var tagarea = target.closest('.tagarea[data-ta]');\n                var args = query.split('&').reduce(function(s, c) {\n                      var t = c.split('=');\n                      s[t[0]] = decodeURIComponent(t[1]);\n                      return s;\n                    }, {});\n\n                ajax.call([{\n                    methodname: 'core_tag_get_tagindex',\n                    args: {tagindex: args}\n                }])[0]\n                .then(function(data) {\n                    return templates.render('core_tag/index', data);\n                })\n                .then(function(html, js) {\n                    templates.replaceNode(tagarea, html, js);\n                    return;\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        },\n\n        /**\n         * Initialises tag management page.\n         *\n         * @method initManagePage\n         */\n        initManagePage: function() {\n            // Set cell 'time modified' to 'now' when any of the element is updated in this row.\n            $('body').on('updated', '[data-inplaceeditable]', function(e) {\n                var pendingPromise = new Pending('core/tag:initManagePage');\n\n                str.get_strings([\n                    {\n                        key: 'selecttag',\n                        component: 'core_tag',\n                    },\n                    {\n                        key: 'now',\n                        component: 'core',\n                    },\n                ])\n                .then(function(result) {\n                    $('label[for=\"tagselect' + e.ajaxreturn.itemid + '\"]').html(result[0]);\n                    $(e.target).closest('tr').find('td.col-timemodified').html(result[1]);\n\n                    return;\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n\n                if (e.ajaxreturn.itemtype === 'tagflag') {\n                    var row = $(e.target).closest('tr');\n                    if (e.ajaxreturn.value === '0') {\n                        row.removeClass('flagged-tag');\n                    } else {\n                        row.addClass('flagged-tag');\n                    }\n                }\n            });\n\n            // Confirmation for single tag delete link.\n            $('.tag-management-table').delegate('a.tagdelete', 'click', function(e) {\n                var pendingPromise = new Pending('core/tag:tagdelete');\n\n                e.preventDefault();\n                var href = $(this).attr('href');\n                str.get_strings([\n                    {key: 'delete', component: 'core'},\n                    {key: 'confirmdeletetag', component: 'tag'},\n                    {key: 'yes', component: 'core'},\n                    {key: 'no', component: 'core'},\n                ])\n                .then(function(s) {\n                    return notification.confirm(s[0], s[1], s[2], s[3], function() {\n                        window.location.href = href;\n                    });\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n\n            // Confirmation for bulk tag delete button.\n            $(\"#tag-management-delete\").click(function(e) {\n                var form = $(this).closest('form').get(0);\n\n                var cnt = $(form).find(\"input[type=checkbox]:checked\").length;\n                if (!cnt) {\n                    return;\n                }\n\n                var pendingPromise = new Pending('core/tag:tag-management-delete');\n                var tempElement = $(\"<input type='hidden'/>\").attr('name', this.name);\n                e.preventDefault();\n                str.get_strings([\n                    {key: 'delete', component: 'core'},\n                    {key: 'confirmdeletetags', component: 'tag'},\n                    {key: 'yes', component: 'core'},\n                    {key: 'no', component: 'core'},\n                ])\n                .then(function(s) {\n                    return notification.confirm(s[0], s[1], s[2], s[3], function() {\n                        tempElement.appendTo(form);\n                        form.submit();\n                    });\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n\n            // Confirmation for bulk tag combine button.\n            $(\"#tag-management-combine\").click(function(e) {\n                var pendingPromise = new Pending('core/tag:tag-management-combine');\n\n                e.preventDefault();\n                var form = $(this).closest('form').get(0);\n                var tags = $(form).find(\"input[type=checkbox]:checked\");\n\n                if (tags.length <= 1) {\n                    str.get_strings([\n                        {key: 'combineselected', component: 'tag'},\n                        {key: 'selectmultipletags', component: 'tag'},\n                        {key: 'ok'},\n                    ])\n                    .then(function(s) {\n                        return notification.alert(s[0], s[1], s[2]);\n                    })\n                    .always(pendingPromise.resolve)\n                    .catch(notification.exception);\n\n                    return;\n                }\n\n                var tempElement = $(\"<input type='hidden'/>\").attr('name', this.name);\n                var saveButtonText = '';\n                var tagOptions = [];\n                tags.each(function() {\n                    var tagid = $(this).val(),\n                        tagname = $('.inplaceeditable[data-itemtype=tagname][data-itemid=' + tagid + ']').attr('data-value');\n                    tagOptions.push({\n                        id: tagid,\n                        name: tagname\n                    });\n                });\n\n                str.get_strings([\n                    {key: 'combineselected', component: 'tag'},\n                    {key: 'continue', component: 'core'}\n                ])\n                .then(function(langStrings) {\n                    var modalTitle = langStrings[0];\n                    saveButtonText = langStrings[1];\n                    var templateContext = {\n                        tags: tagOptions\n                    };\n                    return ModalFactory.create({\n                        title: modalTitle,\n                        body: templates.render('core_tag/combine_tags', templateContext),\n                        type: ModalFactory.types.SAVE_CANCEL\n                    });\n                })\n                .then(function(modal) {\n                    modal.setSaveButtonText(saveButtonText);\n\n                    return modal;\n                })\n                .then(function(modal) {\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function(e) {\n                        e.preventDefault();\n\n                        // Append this temp element in the form in the tags list, not the form in the modal. Confusing, right?!?\n                        tempElement.appendTo(form);\n                        // Get the selected tag from the modal.\n                        var maintag = $('input[name=maintag]:checked', '#combinetags_form').val();\n                        // Append this in the tags list form.\n                        $(\"<input type='hidden'/>\").attr('name', 'maintag').attr('value', maintag).appendTo(form);\n                        // Submit the tags list form.\n                        form.submit();\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    modal.show();\n                    // Tick the first option.\n                    $('#combinetags_form input[type=radio]').first().focus().prop('checked', true);\n\n                    return;\n\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n\n            // When user changes tag name to some name that already exists suggest to combine the tags.\n            $('body').on('updatefailed', '[data-inplaceeditable][data-itemtype=tagname]', function(e) {\n                var exception = e.exception; // The exception object returned by the callback.\n                var newvalue = e.newvalue; // The value that user tried to udpated the element to.\n                var tagid = $(e.target).attr('data-itemid');\n                if (exception.errorcode === 'namesalreadybeeingused') {\n                    var pendingPromise = new Pending('core/tag:updatefailed');\n\n                    e.preventDefault(); // This will prevent default error dialogue.\n                    str.get_strings([\n                        {key: 'confirm', component: 'core'},\n                        {key: 'nameuseddocombine', component: 'tag'},\n                        {key: 'yes', component: 'core'},\n                        {key: 'cancel', component: 'core'},\n                    ])\n                    .then(function(s) {\n                        return notification.confirm(s[0], s[1], s[2], s[3], function() {\n                            window.location.href = window.location.href + \"&newname=\" + encodeURIComponent(newvalue) +\n                                \"&tagid=\" + encodeURIComponent(tagid) +\n                                '&action=renamecombine&sesskey=' + M.cfg.sesskey;\n                        });\n                    })\n                    .always(pendingPromise.resolve)\n                    .catch(notification.exception);\n                }\n            });\n\n            // Form for adding standard tags.\n            $('body').on('click', 'a[data-action=addstandardtag]', function(e) {\n                var pendingPromise = new Pending('core/tag:addstandardtag');\n                e.preventDefault();\n\n                return ModalFactory.create({\n                    title: str.get_string('addotags', 'tag'),\n                    body: templates.render('core_tag/add_tags', {\n                        actionurl: window.location.href,\n                        sesskey: M.cfg.sesskey\n                    }),\n                    type: ModalFactory.types.SAVE_CANCEL\n                })\n                .then(function(modal) {\n                    modal.setSaveButtonText(str.get_string('continue', 'core'));\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function(e) {\n                        var tagsInput = $(e.currentTarget).find('#id_tagslist');\n                        var name = tagsInput.val().trim();\n\n                        // Set the text field's value to the trimmed value.\n                        tagsInput.val(name);\n\n                        // Add submit event listener to the form.\n                        var tagsForm = $('#addtags_form');\n                        tagsForm.on('submit', function(e) {\n                            // Validate the form.\n                            var form = $('#addtags_form');\n                            if (form[0].checkValidity() === false) {\n                                e.preventDefault();\n                                e.stopPropagation();\n                            }\n                            form.addClass('was-validated');\n\n                            // BS2 compatibility.\n                            $('[data-region=\"tagslistinput\"]').addClass('error');\n                            var errorMessage = $('#id_tagslist_error_message');\n                            errorMessage.removeAttr('hidden');\n                            errorMessage.addClass('help-block');\n                        });\n\n                        // Try to submit the form.\n                        tagsForm.submit();\n\n                        return false;\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    modal.show();\n\n                    return;\n\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        },\n\n        /**\n         * Initialises tag collection management page.\n         *\n         * @method initManageCollectionsPage\n         */\n        initManageCollectionsPage: function() {\n            $('body').on('updated', '[data-inplaceeditable]', function(e) {\n                var pendingPromise = new Pending('core/tag:initManageCollectionsPage-updated');\n\n                var ajaxreturn = e.ajaxreturn,\n                    areaid, collid, isenabled;\n                if (ajaxreturn.component === 'core_tag' && ajaxreturn.itemtype === 'tagareaenable') {\n                    areaid = $(this).attr('data-itemid');\n                    $(\".tag-collections-table ul[data-collectionid] li[data-areaid=\" + areaid + \"]\").hide();\n                    isenabled = ajaxreturn.value;\n                    if (isenabled === '1') {\n                        $(this).closest('tr').removeClass('dimmed_text');\n                        collid = $(this).closest('tr').find('[data-itemtype=\"tagareacollection\"]').attr(\"data-value\");\n                        $(\".tag-collections-table ul[data-collectionid=\" + collid + \"] li[data-areaid=\" + areaid + \"]\").show();\n                    } else {\n                        $(this).closest('tr').addClass('dimmed_text');\n                    }\n                }\n                if (ajaxreturn.component === 'core_tag' && ajaxreturn.itemtype === 'tagareacollection') {\n                    areaid = $(this).attr('data-itemid');\n                    $(\".tag-collections-table ul[data-collectionid] li[data-areaid=\" + areaid + \"]\").hide();\n                    collid = $(this).attr('data-value');\n                    isenabled = $(this).closest('tr').find('[data-itemtype=\"tagareaenable\"]').attr(\"data-value\");\n                    if (isenabled === \"1\") {\n                        $(\".tag-collections-table ul[data-collectionid=\" + collid + \"] li[data-areaid=\" + areaid + \"]\").show();\n                    }\n                }\n\n                pendingPromise.resolve();\n            });\n\n            $('body').on('click', '.addtagcoll > a', function(e) {\n                var pendingPromise = new Pending('core/tag:initManageCollectionsPage-addtagcoll');\n\n                e.preventDefault();\n                var keys = [\n                    {\n                        key: 'addtagcoll',\n                        component: 'tag'\n                    },\n                    {\n                        key: 'create',\n                        component: 'core'\n                    }\n                ];\n\n                var href = $(this).attr('data-url');\n                var saveButtonText = '';\n                str.get_strings(keys)\n                .then(function(langStrings) {\n                    var modalTitle = langStrings[0];\n                    saveButtonText = langStrings[1];\n                    var templateContext = {\n                        actionurl: href,\n                        sesskey: M.cfg.sesskey\n                    };\n                    return ModalFactory.create({\n                        title: modalTitle,\n                        body: templates.render('core_tag/add_tag_collection', templateContext),\n                        type: ModalFactory.types.SAVE_CANCEL\n                    });\n                })\n                .then(function(modal) {\n                    modal.setSaveButtonText(saveButtonText);\n\n                    // Handle save event.\n                    modal.getRoot().on(ModalEvents.save, function(e) {\n                        var collectionInput = $(e.currentTarget).find('#addtagcoll_name');\n                        var name = collectionInput.val().trim();\n                        // Set the text field's value to the trimmed value.\n                        collectionInput.val(name);\n\n                        // Add submit event listener to the form.\n                        var form = $('#addtagcoll_form');\n                        form.on('submit', function(e) {\n                            // Validate the form.\n                            if (form[0].checkValidity() === false) {\n                                e.preventDefault();\n                                e.stopPropagation();\n                            }\n                            form.addClass('was-validated');\n\n                            // BS2 compatibility.\n                            $('[data-region=\"addtagcoll_nameinput\"]').addClass('error');\n                            var errorMessage = $('#id_addtagcoll_name_error_message');\n                            errorMessage.removeAttr('hidden');\n                            errorMessage.addClass('help-block');\n                        });\n\n                        // Try to submit the form.\n                        form.submit();\n\n                        return false;\n                    });\n\n                    // Handle hidden event.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Destroy when hidden.\n                        modal.destroy();\n                    });\n\n                    modal.show();\n\n                    return modal;\n\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n\n            $('body').on('click', '.tag-collections-table .action_delete', function(e) {\n                var pendingPromise = new Pending('core/tag:initManageCollectionsPage-action_delete');\n\n                e.preventDefault();\n                var href = $(this).attr('data-url') + '&sesskey=' + M.cfg.sesskey;\n                str.get_strings([\n                    {key: 'delete'},\n                    {key: 'suredeletecoll', component: 'tag', param: $(this).attr('data-collname')},\n                    {key: 'yes'},\n                    {key: 'no'},\n                ])\n                .then(function(s) {\n                    return notification.confirm(s[0], s[1], s[2], s[3], function() {\n                        window.location.href = href;\n                    });\n                })\n                .always(pendingPromise.resolve)\n                .catch(notification.exception);\n            });\n        }\n    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\ No newline at end of file
diff --git a/lib/amd/build/templates.min.js b/lib/amd/build/templates.min.js
index c41f628454e..c2c747e6fe5 100644
--- a/lib/amd/build/templates.min.js
+++ b/lib/amd/build/templates.min.js
@@ -1,2 +1,13 @@
-define ("core/templates",["core/mustache","jquery","core/ajax","core/str","core/notification","core/url","core/config","core/localstorage","core/icon_system","core/event","core/yui","core/log","core/truncate","core/user_date","core/pending"],function(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o){var p=0,q={},r={},s={},t={},u=[],v=!1,w=["js"],x=function(a){if(a){if("moodle"!==a&&"core"!==a){return a}}return"core"},y=function(a){if(a in r){return r[a]}if(a in q){r[a]=b.Deferred().resolve(q[a]).promise();return r[a]}if(0>=M.cfg.templaterev){return null}var c=h.get("core_template/"+M.cfg.templaterev+":"+a);if(c){q[a]=c;r[a]=b.Deferred().resolve(c).promise();return r[a]}return null},z=function(){if(!u.length){return}if(v){return}v=!0;var a=u.slice(),e=b.Deferred(),f=[],g=a.map(function(a){var c=x(a.component),i=a.name,j=a.searchKey,k=a.theme,l=a.deferred,m=null,n=y(j);if(n){m=n}else{f.push({methodname:"core_output_load_template_with_dependencies",args:{component:c,template:i,themename:k,lang:b("html").attr("lang").replace(/-/g,"_")}});var o=f.length-1;m=e.promise().then(function(a){g[j]=a[o].then(function(a){var b=null;a.templates.forEach(function(a){a.component=x(a.component);var d=[k,a.component,a.name].join("/");q[d]=a.value;if(0<M.cfg.templaterev){h.set("core_template/"+M.cfg.templaterev+":"+d,a.value)}if(a.component==c&&a.name==i){b=a.value}});if(a.strings.length){d.cache_strings(a.strings.map(function(a){return{component:x(a.component),key:a.name,value:a.value}}))}return b});return g[j]})}return m.then(function(a){return l.resolve(a)}).catch(function(a){l.reject(a);throw a})});if(f.length){e.resolve(c.call(f,!0,!1,!1,0,M.cfg.templaterev))}else{e.resolve()}b.when.apply(null,g).then(function(){u.splice(0,a.length);v=!1;z()}).catch(function(){u.splice(0,a.length);v=!1;z()})},A=function(){this.requiredStrings=[];this.requiredJS=[];this.requiredDates=[];this.currentThemeName=""};A.prototype.requiredStrings=null;A.prototype.requiredDates=[];A.prototype.requiredJS=null;A.prototype.currentThemeName="";A.prototype.getTemplate=function(a){var c=this.currentThemeName,d=c+"/"+a,e=y(d);if(e){return e}var f=u.filter(function(a){return a.searchKey==d});if(f.length){return f[0].deferred.promise()}var g=a.split("/"),h=x(g.shift()),i=g.join("/"),j=b.Deferred();u.push({component:h,name:i,theme:c,searchKey:d,deferred:j});z();return j.promise()};A.prototype.prefetchTemplates=function(a,c){a.forEach(function(a){var d=c+"/"+a;if(y(d)){return}var e=u.filter(function(a){return a.searchKey==d});if(e.length){return}var f=a.split("/"),g=x(f.shift()),h=f.join("/");u.push({component:g,name:h,theme:c,searchKey:d,deferred:b.Deferred()})});z()};A.prototype.partialHelper=function(a){var b=this.currentThemeName+"/"+a;if(!(b in q)){e.exception(new Error("Failed to pre-fetch the template: "+a))}return q[b]};A.prototype.renderIcon=function(a,c,d){var f=g.iconsystemmodule;c=x(c);var h=b.Deferred();require([f],function(a){var b=new a;if(!(b instanceof i)){h.reject("Invalid icon system specified"+g.iconsystemmodule)}else{t=b;b.init().then(h.resolve).catch(e.exception)}});return h.then(function(a){return this.getTemplate(a.getTemplateName())}.bind(this)).then(function(b){return t.renderIcon(a,c,d,b)})};A.prototype.pixHelper=function(a,b,c){var d=b.split(","),e="",f="",g="";if(0<d.length){e=c(d.shift().trim(),a)}if(0<d.length){f=c(d.shift().trim(),a)}if(0<d.length){g=c(d.join(",").trim(),a)}var h=t.getTemplateName(),i=this.currentThemeName+"/"+h,j=q[i];f=x(f);e=e.replace(/&#x2F;/gi,"/");return t.renderIcon(e,f,g,j)};A.prototype.jsHelper=function(a,b,c){this.requiredJS.push(c(b,a));return""};A.prototype.stringHelper=function(a,b,c){var d=b.split(","),e="",f="",g="";if(0<d.length){e=d.shift().trim()}if(0<d.length){f=d.shift().trim()}if(0<d.length){g=d.join(",").trim()}f=x(f);if(""!==g){g=c(g,a)}if(0===g.indexOf("{")&&0!==g.indexOf("{{")){g=JSON.parse(g)}var h=this.requiredStrings.length;this.requiredStrings.push({key:e,component:f,param:g});return"[[_s"+h+"]]"};A.prototype.quoteHelper=function(a,b,c){var d=c(b.trim(),a);d=d.replace(/"/g,"\\\"").replace(/([{}]{2,3})/g,"{{=<% %>=}}$1<%={{ }}=%>").replace(/(\r\n|\r|\n)/g,"&#x0a;");return"\""+d+"\""};A.prototype.shortenTextHelper=function(a,b,c){var d=b.match(/(.*?),(.*)/),e=d[1].trim(),f=d[2].trim(),g=c(f,a);return m.truncate(g,{length:e,words:!0,ellipsis:"..."})};A.prototype.userDateHelper=function(a,b,c){var d=b.match(/(.*?),(.*)/),e=c(d[1].trim(),a),f=c(d[2].trim(),a),g=this.requiredDates.length;this.requiredDates.push({timestamp:e,format:f});return"[[_t_"+g+"]]"};A.prototype.addHelperFunction=function(a,b){return function(){return function(c,d){var e=w.reduce(function(a,c){if(b.hasOwnProperty(c)){a[c]=b[c]}return a},{});w.forEach(function(a){b[a]=function(){return""}});var f=a.apply(this,[b,c,d]);for(var g in e){b[g]=e[g]}return f}.bind(this)}.bind(this)};A.prototype.addHelpers=function(a,b){this.currentThemeName=b;this.requiredStrings=[];this.requiredJS=[];a.uniqid=p++;a.str=this.addHelperFunction(this.stringHelper,a);a.pix=this.addHelperFunction(this.pixHelper,a);a.js=this.addHelperFunction(this.jsHelper,a);a.quote=this.addHelperFunction(this.quoteHelper,a);a.shortentext=this.addHelperFunction(this.shortenTextHelper,a);a.userdate=this.addHelperFunction(this.userDateHelper,a);a.globals={config:g};a.currentTheme=b};A.prototype.getJS=function(){var a="";if(0<this.requiredJS.length){a=this.requiredJS.join(";\n")}return a};A.prototype.treatStringsInContent=function(a,b){var c=/\[\[_s\d+\]\]/,d,e,f,g,h,i;do{d="";e=a.search(c);while(-1<e){d+=a.substring(0,e);a=a.substr(e);f="";g=4;h=a.substr(g,1);do{f+=h;g++;h=a.substr(g,1)}while("]"!=h);i=b[parseInt(f,10)];if("undefined"==typeof i){l.debug("Could not find string for pattern [[_s"+f+"]].");i=""}d+=i;a=a.substr(6+f.length);e=a.search(c)}a=d+a;e=a.search(c)}while(-1<e);return a};A.prototype.treatDatesInContent=function(a,b){b.forEach(function(b,c){var d=new RegExp("\\[\\[_t_"+c+"\\]\\]","g");a=a.replace(d,b)});return a};A.prototype.doRender=function(c,e,f){this.currentThemeName=f;var g=t.getTemplateName(),h=new o("core/templates:doRender");return this.getTemplate(g).then(function(){this.addHelpers(e,f);var d=a.render(c,e,this.partialHelper.bind(this));return b.Deferred().resolve(d.trim(),this.getJS()).promise()}.bind(this)).then(function(a,c){if(0<this.requiredStrings.length){return d.get_strings(this.requiredStrings).then(function(d){this.requiredDates=this.requiredDates.map(function(a){return{timestamp:this.treatStringsInContent(a.timestamp,d),format:this.treatStringsInContent(a.format,d)}}.bind(this));a=this.treatStringsInContent(a,d);c=this.treatStringsInContent(c,d);return b.Deferred().resolve(a,c).promise()}.bind(this))}return b.Deferred().resolve(a,c).promise()}.bind(this)).then(function(a,c){if(0<this.requiredDates.length){return n.get(this.requiredDates).then(function(d){a=this.treatDatesInContent(a,d);c=this.treatDatesInContent(c,d);return b.Deferred().resolve(a,c).promise()}.bind(this))}return b.Deferred().resolve(a,c).promise()}.bind(this)).then(function(a,c){h.resolve();return b.Deferred().resolve(a,c).promise()})};var B=function(a){if(""!==a.trim()){var c=b("<script>").attr("type","text/javascript").html(a);b("head").append(c)}},C=function(a,c,d,e){var f=b(a);if(f.length){var g=b(c),h=null;if(e){h=new k.NodeList(f.children().get());h.destroy(!0);f.empty();f.append(g)}else{h=new k.NodeList(f.get());h.destroy(!0);f.replaceWith(g)}B(d);j.notifyFilterContentUpdated(g);return g.get()}return[]};A.prototype.scanForPartials=function(b){var c=a.parse(b),d=[],e=function(a,b){var c,d;for(c=0;c<a.length;c++){d=a[c];if(">"==d[0]||"<"==d[0]){b.push(d[1])}if(4<d.length){e(d[4],b)}}};e(c,d);return d};A.prototype.cachePartials=function(a,c){var d=this.currentThemeName+"/"+a;if(d in s){return s[d]}c=c||[d];s[d]=b.Deferred();this.getTemplate(a).then(function(e){var f=this.scanForPartials(e),g=f.filter(function(b){if(0<=c.indexOf(this.currentThemeName+"/"+b)){return!1}return b!=a}.bind(this)),h=g.map(function(a){c.push(this.currentThemeName+"/"+a);return this.cachePartials(a,c)}.bind(this));return b.when.apply(b,h).then(function(){return s[d].resolve(e)})}.bind(this)).catch(s[d].reject);return s[d]};A.prototype.render=function(a,c,d){if("undefined"==typeof d){d=g.theme}this.currentThemeName=d;var f=g.iconsystemmodule,h=b.Deferred();require([f],function(a){var b=new a;if(!(b instanceof i)){h.reject("Invalid icon system specified"+g.iconsystem)}else{t=b;b.init().then(h.resolve).catch(e.exception)}});return h.then(function(){return this.cachePartials(a)}.bind(this)).then(function(a){return this.doRender(a,c,d)}.bind(this))};var D=function(a,c,d){var e=b(a);if(e.length){var f=b(c);e.prepend(f);B(d);j.notifyFilterContentUpdated(e);return f.get()}return[]},E=function(a,c,d){var e=b(a);if(e.length){var f=b(c);e.append(f);B(d);j.notifyFilterContentUpdated(e);return f.get()}return[]};return{render:function render(a,b,c){var d=new A;return d.render(a,b,c)},prefetchTemplates:function prefetchTemplates(a,b){var c=new A;if("undefined"==typeof b){b=g.theme}return c.prefetchTemplates(a,b)},renderForPromise:function renderForPromise(a,b,c){var d=new A;return d.render(a,b,c).then(function(a,b){return{html:a,js:b}})},renderPix:function renderPix(a,b,c){var d=new A;return d.renderIcon(a,x(b),c)},runTemplateJS:B,replaceNodeContents:function replaceNodeContents(a,b,c){return C(a,b,c,!0)},replaceNode:function replaceNode(a,b,c){return C(a,b,c,!1)},prependNodeContents:function prependNodeContents(a,b,c){return D(a,b,c)},appendNodeContents:function appendNodeContents(a,b,c){return E(a,b,c)}}});
-//# sourceMappingURL=templates.min.js.map
+/**
+ * Template renderer for Moodle. Load and render Moodle templates with Mustache.
+ *
+ * @module     core/templates
+ * @package    core
+ * @class      templates
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      2.9
+ */
+define("core/templates",["core/mustache","jquery","core/ajax","core/str","core/notification","core/url","core/config","core/localstorage","core/icon_system","core/event","core/yui","core/log","core/truncate","core/user_date","core/pending"],(function(mustache,$,ajax,str,notification,coreurl,config,storage,IconSystem,event,Y,Log,Truncate,UserDate,Pending){var uniqInstances=0,templateCache={},templatePromises={},cachePartialPromises={},iconSystem={},loadTemplateBuffer=[],isLoadingTemplates=!1,blacklistedNestedHelpers=["js"],getNormalisedComponent=function(component){return component&&"moodle"!==component&&"core"!==component?component:"core"},getTemplatePromiseFromCache=function(searchKey){if(searchKey in templatePromises)return templatePromises[searchKey];if(searchKey in templateCache)return templatePromises[searchKey]=$.Deferred().resolve(templateCache[searchKey]).promise(),templatePromises[searchKey];if(M.cfg.templaterev<=0)return null;var cached=storage.get("core_template/"+M.cfg.templaterev+":"+searchKey);return cached?(templateCache[searchKey]=cached,templatePromises[searchKey]=$.Deferred().resolve(cached).promise(),templatePromises[searchKey]):null},processLoadTemplateBuffer=function processLoadTemplateBuffer(){if(loadTemplateBuffer.length&&!isLoadingTemplates){isLoadingTemplates=!0;var templatesToLoad=loadTemplateBuffer.slice(),serverRequestsDeferred=$.Deferred(),requests=[],templatePromises=templatesToLoad.map((function(templateData){var component=getNormalisedComponent(templateData.component),name=templateData.name,searchKey=templateData.searchKey,theme=templateData.theme,templateDeferred=templateData.deferred,promise=null,cachedPromise=getTemplatePromiseFromCache(searchKey);if(cachedPromise)promise=cachedPromise;else{requests.push({methodname:"core_output_load_template_with_dependencies",args:{component:component,template:name,themename:theme,lang:$("html").attr("lang").replace(/-/g,"_")}});var index=requests.length-1;promise=serverRequestsDeferred.promise().then((function(promises){return templatePromises[searchKey]=promises[index].then((function(response){var templateSource=null;return response.templates.forEach((function(data){data.component=getNormalisedComponent(data.component);var tempSearchKey=[theme,data.component,data.name].join("/");templateCache[tempSearchKey]=data.value,M.cfg.templaterev>0&&storage.set("core_template/"+M.cfg.templaterev+":"+tempSearchKey,data.value),data.component==component&&data.name==name&&(templateSource=data.value)})),response.strings.length&&str.cache_strings(response.strings.map((function(data){return{component:getNormalisedComponent(data.component),key:data.name,value:data.value}}))),templateSource})),templatePromises[searchKey]}))}return promise.then((function(source){return templateDeferred.resolve(source)})).catch((function(error){throw templateDeferred.reject(error),error}))}));requests.length?serverRequestsDeferred.resolve(ajax.call(requests,!0,!1,!1,0,M.cfg.templaterev)):serverRequestsDeferred.resolve(),$.when.apply(null,templatePromises).then((function(){loadTemplateBuffer.splice(0,templatesToLoad.length),isLoadingTemplates=!1,processLoadTemplateBuffer()})).catch((function(){loadTemplateBuffer.splice(0,templatesToLoad.length),isLoadingTemplates=!1,processLoadTemplateBuffer()}))}},Renderer=function(){this.requiredStrings=[],this.requiredJS=[],this.requiredDates=[],this.currentThemeName=""};Renderer.prototype.requiredStrings=null,Renderer.prototype.requiredDates=[],Renderer.prototype.requiredJS=null,Renderer.prototype.currentThemeName="",Renderer.prototype.getTemplate=function(templateName){var currentTheme=this.currentThemeName,searchKey=currentTheme+"/"+templateName,cachedPromise=getTemplatePromiseFromCache(searchKey);if(cachedPromise)return cachedPromise;var existingBufferRecords=loadTemplateBuffer.filter((function(record){return record.searchKey==searchKey}));if(existingBufferRecords.length)return existingBufferRecords[0].deferred.promise();var parts=templateName.split("/"),component=getNormalisedComponent(parts.shift()),name=parts.join("/"),deferred=$.Deferred();return loadTemplateBuffer.push({component:component,name:name,theme:currentTheme,searchKey:searchKey,deferred:deferred}),processLoadTemplateBuffer(),deferred.promise()},Renderer.prototype.prefetchTemplates=function(templateNames,currentTheme){templateNames.forEach((function(templateName){var searchKey=currentTheme+"/"+templateName;if(!getTemplatePromiseFromCache(searchKey)&&!loadTemplateBuffer.filter((function(record){return record.searchKey==searchKey})).length){var parts=templateName.split("/"),component=getNormalisedComponent(parts.shift()),name=parts.join("/");loadTemplateBuffer.push({component:component,name:name,theme:currentTheme,searchKey:searchKey,deferred:$.Deferred()})}})),processLoadTemplateBuffer()},Renderer.prototype.partialHelper=function(name){var searchKey=this.currentThemeName+"/"+name;return searchKey in templateCache||notification.exception(new Error("Failed to pre-fetch the template: "+name)),templateCache[searchKey]},Renderer.prototype.renderIcon=function(key,component,title){var modulename=config.iconsystemmodule;component=getNormalisedComponent(component);var ready=$.Deferred();return require([modulename],(function(System){var system=new System;system instanceof IconSystem?(iconSystem=system,system.init().then(ready.resolve).catch(notification.exception)):ready.reject("Invalid icon system specified"+config.iconsystemmodule)})),ready.then(function(iconSystem){return this.getTemplate(iconSystem.getTemplateName())}.bind(this)).then((function(template){return iconSystem.renderIcon(key,component,title,template)}))},Renderer.prototype.pixHelper=function(context,sectionText,helper){var parts=sectionText.split(","),key="",component="",text="";parts.length>0&&(key=helper(parts.shift().trim(),context)),parts.length>0&&(component=helper(parts.shift().trim(),context)),parts.length>0&&(text=helper(parts.join(",").trim(),context));var templateName=iconSystem.getTemplateName(),searchKey=this.currentThemeName+"/"+templateName,template=templateCache[searchKey];return component=getNormalisedComponent(component),key=key.replace(/&#x2F;/gi,"/"),iconSystem.renderIcon(key,component,text,template)},Renderer.prototype.jsHelper=function(context,sectionText,helper){return this.requiredJS.push(helper(sectionText,context)),""},Renderer.prototype.stringHelper=function(context,sectionText,helper){var parts=sectionText.split(","),key="",component="",param="";parts.length>0&&(key=parts.shift().trim()),parts.length>0&&(component=parts.shift().trim()),parts.length>0&&(param=parts.join(",").trim()),component=getNormalisedComponent(component),""!==param&&(param=helper(param,context)),0===param.indexOf("{")&&0!==param.indexOf("{{")&&(param=JSON.parse(param));var index=this.requiredStrings.length;return this.requiredStrings.push({key:key,component:component,param:param}),"[[_s"+index+"]]"},Renderer.prototype.quoteHelper=function(context,sectionText,helper){var content=helper(sectionText.trim(),context);return'"'+(content=content.replace(/"/g,'\\"').replace(/([{}]{2,3})/g,"{{=<% %>=}}$1<%={{ }}=%>").replace(/(\r\n|\r|\n)/g,"&#x0a;"))+'"'},Renderer.prototype.shortenTextHelper=function(context,sectionText,helper){var parts=sectionText.match(/(.*?),(.*)/),length=parts[1].trim(),content=helper(parts[2].trim(),context);return Truncate.truncate(content,{length:length,words:!0,ellipsis:"..."})},Renderer.prototype.userDateHelper=function(context,sectionText,helper){var parts=sectionText.match(/(.*?),(.*)/),timestamp=helper(parts[1].trim(),context),format=helper(parts[2].trim(),context),index=this.requiredDates.length;return this.requiredDates.push({timestamp:timestamp,format:format}),"[[_t_"+index+"]]"},Renderer.prototype.addHelperFunction=function(helperFunction,context){return function(){return function(sectionText,helper){var originalHelpers=blacklistedNestedHelpers.reduce((function(carry,name){return context.hasOwnProperty(name)&&(carry[name]=context[name]),carry}),{});blacklistedNestedHelpers.forEach((function(helperName){context[helperName]=function(){return""}}));var result=helperFunction.apply(this,[context,sectionText,helper]);for(var name in originalHelpers)context[name]=originalHelpers[name];return result}.bind(this)}.bind(this)},Renderer.prototype.addHelpers=function(context,themeName){this.currentThemeName=themeName,this.requiredStrings=[],this.requiredJS=[],context.uniqid=uniqInstances++,context.str=this.addHelperFunction(this.stringHelper,context),context.pix=this.addHelperFunction(this.pixHelper,context),context.js=this.addHelperFunction(this.jsHelper,context),context.quote=this.addHelperFunction(this.quoteHelper,context),context.shortentext=this.addHelperFunction(this.shortenTextHelper,context),context.userdate=this.addHelperFunction(this.userDateHelper,context),context.globals={config:config},context.currentTheme=themeName},Renderer.prototype.getJS=function(){var js="";return this.requiredJS.length>0&&(js=this.requiredJS.join(";\n")),js},Renderer.prototype.treatStringsInContent=function(content,strings){var treated,index,strIndex,walker,char,strFinal,pattern=/\[\[_s\d+\]\]/;do{for(treated="",index=content.search(pattern);index>-1;){treated+=content.substring(0,index),strIndex="",walker=4,char=(content=content.substr(index)).substr(walker,1);do{strIndex+=char,walker++,char=content.substr(walker,1)}while("]"!=char);void 0===(strFinal=strings[parseInt(strIndex,10)])&&(Log.debug("Could not find string for pattern [[_s"+strIndex+"]]."),strFinal=""),treated+=strFinal,index=(content=content.substr(6+strIndex.length)).search(pattern)}index=(content=treated+content).search(pattern)}while(index>-1);return content},Renderer.prototype.treatDatesInContent=function(content,dates){return dates.forEach((function(date,index){var re=new RegExp("\\[\\[_t_"+index+"\\]\\]","g");content=content.replace(re,date)})),content},Renderer.prototype.doRender=function(templateSource,context,themeName){this.currentThemeName=themeName;var iconTemplate=iconSystem.getTemplateName(),pendingPromise=new Pending("core/templates:doRender");return this.getTemplate(iconTemplate).then(function(){this.addHelpers(context,themeName);var result=mustache.render(templateSource,context,this.partialHelper.bind(this));return $.Deferred().resolve(result.trim(),this.getJS()).promise()}.bind(this)).then(function(html,js){return this.requiredStrings.length>0?str.get_strings(this.requiredStrings).then(function(strings){return this.requiredDates=this.requiredDates.map(function(date){return{timestamp:this.treatStringsInContent(date.timestamp,strings),format:this.treatStringsInContent(date.format,strings)}}.bind(this)),html=this.treatStringsInContent(html,strings),js=this.treatStringsInContent(js,strings),$.Deferred().resolve(html,js).promise()}.bind(this)):$.Deferred().resolve(html,js).promise()}.bind(this)).then(function(html,js){return this.requiredDates.length>0?UserDate.get(this.requiredDates).then(function(dates){return html=this.treatDatesInContent(html,dates),js=this.treatDatesInContent(js,dates),$.Deferred().resolve(html,js).promise()}.bind(this)):$.Deferred().resolve(html,js).promise()}.bind(this)).then((function(html,js){return pendingPromise.resolve(),$.Deferred().resolve(html,js).promise()}))};var runTemplateJS=function(source){if(""!==source.trim()){var newscript=$("<script>").attr("type","text/javascript").html(source);$("head").append(newscript)}},domReplace=function(element,newHTML,newJS,replaceChildNodes){var replaceNode=$(element);if(replaceNode.length){var newNodes=$(newHTML);return replaceChildNodes?(new Y.NodeList(replaceNode.children().get()).destroy(!0),replaceNode.empty(),replaceNode.append(newNodes)):(new Y.NodeList(replaceNode.get()).destroy(!0),replaceNode.replaceWith(newNodes)),runTemplateJS(newJS),event.notifyFilterContentUpdated(newNodes),newNodes.get()}return[]};Renderer.prototype.scanForPartials=function(templateSource){var partials=[];return function findPartial(tokens,partials){var i,token;for(i=0;i<tokens.length;i++)">"!=(token=tokens[i])[0]&&"<"!=token[0]||partials.push(token[1]),token.length>4&&findPartial(token[4],partials)}(mustache.parse(templateSource),partials),partials},Renderer.prototype.cachePartials=function(templateName,parentage){var searchKey=this.currentThemeName+"/"+templateName;return searchKey in cachePartialPromises||(parentage=parentage||[searchKey],cachePartialPromises[searchKey]=$.Deferred(),this.getTemplate(templateName).then(function(templateSource){var fetchThemAll=this.scanForPartials(templateSource).filter(function(partialName){return!(parentage.indexOf(this.currentThemeName+"/"+partialName)>=0)&&partialName!=templateName}.bind(this)).map(function(partialName){return parentage.push(this.currentThemeName+"/"+partialName),this.cachePartials(partialName,parentage)}.bind(this));return $.when.apply($,fetchThemAll).then((function(){return cachePartialPromises[searchKey].resolve(templateSource)}))}.bind(this)).catch(cachePartialPromises[searchKey].reject)),cachePartialPromises[searchKey]},Renderer.prototype.render=function(templateName,context,themeName){void 0===themeName&&(themeName=config.theme),this.currentThemeName=themeName;var modulename=config.iconsystemmodule,ready=$.Deferred();return require([modulename],(function(System){var system=new System;system instanceof IconSystem?(iconSystem=system,system.init().then(ready.resolve).catch(notification.exception)):ready.reject("Invalid icon system specified"+config.iconsystem)})),ready.then(function(){return this.cachePartials(templateName)}.bind(this)).then(function(templateSource){return this.doRender(templateSource,context,themeName)}.bind(this))};return{render:function(templateName,context,themeName){return(new Renderer).render(templateName,context,themeName)},prefetchTemplates:function(templateNames,themeName){var renderer=new Renderer;return void 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+
+//# sourceMappingURL=templates.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/templates.min.js.map b/lib/amd/build/templates.min.js.map
index 8f99802dce5..c772ed51dd9 100644
--- a/lib/amd/build/templates.min.js.map
+++ b/lib/amd/build/templates.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Template renderer for Moodle. Load and render Moodle templates with Mustache.\n *\n * @module     core/templates\n * @package    core\n * @class      templates\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine([\n        'core/mustache',\n        'jquery',\n        'core/ajax',\n        'core/str',\n        'core/notification',\n        'core/url',\n        'core/config',\n        'core/localstorage',\n        'core/icon_system',\n        'core/event',\n        'core/yui',\n        'core/log',\n        'core/truncate',\n        'core/user_date',\n        'core/pending',\n    ],\n    function(mustache, $, ajax, str, notification, coreurl, config, storage, IconSystem, event, Y, Log, Truncate, UserDate,\n        Pending) {\n\n    // Module variables.\n    /** @var {Number} uniqInstances Count of times this constructor has been called. */\n    var uniqInstances = 0;\n\n    /** @var {String[]} templateCache - Cache of already loaded template strings */\n    var templateCache = {};\n\n    /** @var {Promise[]} templatePromises - Cache of already loaded template promises */\n    var templatePromises = {};\n\n    /** @var {Promise[]} cachePartialPromises - Cache of already loaded template partial promises */\n    var cachePartialPromises = {};\n\n    /** @var {Object} iconSystem - Object extending core/iconsystem */\n    var iconSystem = {};\n\n    /** @var {Object[]} loadTemplateBuffer - List of templates to be loaded */\n    var loadTemplateBuffer = [];\n\n    /** @var {Bool} isLoadingTemplates - Whether templates are currently being loaded */\n    var isLoadingTemplates = false;\n\n    /** @var {Array} blacklistedNestedHelpers - List of helpers that can't be called within other helpers */\n    var blacklistedNestedHelpers = ['js'];\n\n    /**\n     * Normalise the provided component such that '', 'moodle', and 'core' are treated consistently.\n     *\n     * @param   {String} component\n     * @returns {String}\n     */\n    var getNormalisedComponent = function(component) {\n        if (component) {\n            if (component !== 'moodle' && component !== 'core') {\n                return component;\n            }\n        }\n\n        return 'core';\n    };\n\n    /**\n     * Search the various caches for a template promise for the given search key.\n     * The search key should be in the format <theme>/<component>/<template> e.g. boost/core/modal.\n     *\n     * If the template is found in any of the caches it will populate the other caches with\n     * the same data as well.\n     *\n     * @param {String} searchKey The template search key in the format <theme>/<component>/<template> e.g. boost/core/modal\n     * @return {Object} jQuery promise resolved with the template source\n     */\n    var getTemplatePromiseFromCache = function(searchKey) {\n        // First try the cache of promises.\n        if (searchKey in templatePromises) {\n            return templatePromises[searchKey];\n        }\n\n        // Check the module cache.\n        if (searchKey in templateCache) {\n            // Add this to the promises cache for future.\n            templatePromises[searchKey] = $.Deferred().resolve(templateCache[searchKey]).promise();\n            return templatePromises[searchKey];\n        }\n\n        if (M.cfg.templaterev <= 0) {\n            // Template caching is disabled. Do not store in persistent storage.\n            return null;\n        }\n\n        // Now try local storage.\n        var cached = storage.get('core_template/' + M.cfg.templaterev + ':' + searchKey);\n        if (cached) {\n            // Add this to the module cache for future.\n            templateCache[searchKey] = cached;\n            // Add this to the promises cache for future.\n            templatePromises[searchKey] = $.Deferred().resolve(cached).promise();\n            return templatePromises[searchKey];\n        }\n\n        return null;\n    };\n\n    /**\n     * Take all of the templates waiting in the buffer and load them from the server\n     * or from the cache.\n     *\n     * All of the templates that need to be loaded from the server will be batched up\n     * and sent in a single network request.\n     */\n    var processLoadTemplateBuffer = function() {\n        if (!loadTemplateBuffer.length) {\n            return;\n        }\n\n        if (isLoadingTemplates) {\n            return;\n        }\n\n        isLoadingTemplates = true;\n        // Grab any templates waiting in the buffer.\n        var templatesToLoad = loadTemplateBuffer.slice();\n        // This will be resolved with the list of promises for the server request.\n        var serverRequestsDeferred = $.Deferred();\n        var requests = [];\n        // Get a list of promises for each of the templates we need to load.\n        var templatePromises = templatesToLoad.map(function(templateData) {\n            var component = getNormalisedComponent(templateData.component);\n            var name = templateData.name;\n            var searchKey = templateData.searchKey;\n            var theme = templateData.theme;\n            var templateDeferred = templateData.deferred;\n            var promise = null;\n\n            // Double check to see if this template happened to have landed in the\n            // cache as a dependency of an earlier template.\n            var cachedPromise = getTemplatePromiseFromCache(searchKey);\n            if (cachedPromise) {\n                // We've seen this template so immediately resolve the existing promise.\n                promise = cachedPromise;\n            } else {\n                // We haven't seen this template yet so we need to request it from\n                // the server.\n                requests.push({\n                    methodname: 'core_output_load_template_with_dependencies',\n                    args: {\n                        component: component,\n                        template: name,\n                        themename: theme,\n                        lang: $('html').attr('lang').replace(/-/g, '_')\n                    }\n                });\n                // Remember the index in the requests list for this template so that\n                // we can get the appropriate promise back.\n                var index = requests.length - 1;\n\n                // The server deferred will be resolved with a list of all of the promises\n                // that were sent in the order that they were added to the requests array.\n                promise = serverRequestsDeferred.promise()\n                    .then(function(promises) {\n                        // The promise for this template will be the one that matches the index\n                        // for it's entry in the requests array.\n                        //\n                        // Make sure the promise is added to the promises cache for this template\n                        // search key so that we don't request it again.\n                        templatePromises[searchKey] = promises[index].then(function(response) {\n                            var templateSource = null;\n\n                            // Process all of the template dependencies for this template and add\n                            // them to the caches so that we don't request them again later.\n                            response.templates.forEach(function(data) {\n                                data.component = getNormalisedComponent(data.component);\n                                // Generate the search key for this template in the response so that we\n                                // can add it to the caches.\n                                var tempSearchKey = [theme, data.component, data.name].join('/');\n                                // Cache all of the dependent templates because we'll need them to render\n                                // the requested template.\n                                templateCache[tempSearchKey] = data.value;\n\n                                if (M.cfg.templaterev > 0) {\n                                    // The template cache is enabled - set the value there.\n                                    storage.set('core_template/' + M.cfg.templaterev + ':' + tempSearchKey, data.value);\n                                }\n\n                                if (data.component == component && data.name == name) {\n                                    // This is the original template that was requested so remember it to return.\n                                    templateSource = data.value;\n                                }\n                            });\n\n                            if (response.strings.length) {\n                                // If we have strings that the template needs then warm the string cache\n                                // with them now so that we don't need to re-fetch them.\n                                str.cache_strings(response.strings.map(function(data) {\n                                    return {\n                                        component: getNormalisedComponent(data.component),\n                                        key: data.name,\n                                        value: data.value\n                                    };\n                                }));\n                            }\n\n                            // Return the original template source that the user requested.\n                            return templateSource;\n                        });\n\n                        return templatePromises[searchKey];\n                    });\n            }\n\n            return promise\n                .then(function(source) {\n                    // When we've successfully loaded the template then resolve the deferred\n                    // in the buffer so that all of the calling code can proceed.\n                    return templateDeferred.resolve(source);\n                })\n                .catch(function(error) {\n                    // If there was an error loading the template then reject the deferred\n                    // in the buffer so that all of the calling code can proceed.\n                    templateDeferred.reject(error);\n                    // Rethrow for anyone else listening.\n                    throw error;\n                });\n        });\n\n        if (requests.length) {\n            // We have requests to send so resolve the deferred with the promises.\n            serverRequestsDeferred.resolve(ajax.call(requests, true, false, false, 0, M.cfg.templaterev));\n        } else {\n            // Nothing to load so we can resolve our deferred.\n            serverRequestsDeferred.resolve();\n        }\n\n        // Once we've finished loading all of the templates then recurse to process\n        // any templates that may have been added to the buffer in the time that we\n        // were fetching.\n        $.when.apply(null, templatePromises)\n            .then(function() {\n                // Remove the templates we've loaded from the buffer.\n                loadTemplateBuffer.splice(0, templatesToLoad.length);\n                isLoadingTemplates = false;\n                processLoadTemplateBuffer();\n                return;\n            })\n            .catch(function() {\n                // Remove the templates we've loaded from the buffer.\n                loadTemplateBuffer.splice(0, templatesToLoad.length);\n                isLoadingTemplates = false;\n                processLoadTemplateBuffer();\n            });\n    };\n\n    /**\n     * Constructor\n     *\n     * Each call to templates.render gets it's own instance of this class.\n     */\n    var Renderer = function() {\n        this.requiredStrings = [];\n        this.requiredJS = [];\n        this.requiredDates = [];\n        this.currentThemeName = '';\n    };\n    // Class variables and functions.\n\n    /** @var {string[]} requiredStrings - Collection of strings found during the rendering of one template */\n    Renderer.prototype.requiredStrings = null;\n\n    /** @var {object[]} requiredDates - Collection of dates found during the rendering of one template */\n    Renderer.prototype.requiredDates = [];\n\n    /** @var {string[]} requiredJS - Collection of js blocks found during the rendering of one template */\n    Renderer.prototype.requiredJS = null;\n\n    /** @var {String} themeName for the current render */\n    Renderer.prototype.currentThemeName = '';\n\n    /**\n     * Load a template.\n     *\n     * @method getTemplate\n     * @private\n     * @param {string} templateName - should consist of the component and the name of the template like this:\n     *                              core/menu (lib/templates/menu.mustache) or\n     *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n     * @return {Promise} JQuery promise object resolved when the template has been fetched.\n     */\n    Renderer.prototype.getTemplate = function(templateName) {\n        var currentTheme = this.currentThemeName;\n        var searchKey = currentTheme + '/' + templateName;\n\n        // If we haven't already seen this template then buffer it.\n        var cachedPromise = getTemplatePromiseFromCache(searchKey);\n        if (cachedPromise) {\n            return cachedPromise;\n        }\n\n        // Check the buffer to see if this template has already been added.\n        var existingBufferRecords = loadTemplateBuffer.filter(function(record) {\n            return record.searchKey == searchKey;\n        });\n        if (existingBufferRecords.length) {\n            // This template is already in the buffer so just return the existing\n            // promise. No need to add it to the buffer again.\n            return existingBufferRecords[0].deferred.promise();\n        }\n\n        // This is the first time this has been requested so let's add it to the buffer\n        // to be loaded.\n        var parts = templateName.split('/');\n        var component = getNormalisedComponent(parts.shift());\n        var name = parts.join('/');\n        var deferred = $.Deferred();\n\n        // Add this template to the buffer to be loaded.\n        loadTemplateBuffer.push({\n            component: component,\n            name: name,\n            theme: currentTheme,\n            searchKey: searchKey,\n            deferred: deferred\n        });\n\n        // We know there is at least one thing in the buffer so kick off a processing run.\n        processLoadTemplateBuffer();\n        return deferred.promise();\n    };\n\n    /**\n     * Prefetch a set of templates without rendering them.\n     *\n     * @param {Array} templateNames The list of templates to fetch\n     * @param {String} currentTheme\n     */\n    Renderer.prototype.prefetchTemplates = function(templateNames, currentTheme) {\n        templateNames.forEach(function(templateName) {\n            var searchKey = currentTheme + '/' + templateName;\n\n            // If we haven't already seen this template then buffer it.\n            if (getTemplatePromiseFromCache(searchKey)) {\n                return;\n            }\n\n            // Check the buffer to see if this template has already been added.\n            var existingBufferRecords = loadTemplateBuffer.filter(function(record) {\n                return record.searchKey == searchKey;\n            });\n\n            if (existingBufferRecords.length) {\n                // This template is already in the buffer so just return the existing promise.\n                // No need to add it to the buffer again.\n                return;\n            }\n\n            // This is the first time this has been requested so let's add it to the buffer to be loaded.\n            var parts = templateName.split('/');\n            var component = getNormalisedComponent(parts.shift());\n            var name = parts.join('/');\n\n            // Add this template to the buffer to be loaded.\n            loadTemplateBuffer.push({\n                component: component,\n                name: name,\n                theme: currentTheme,\n                searchKey: searchKey,\n                deferred: $.Deferred(),\n            });\n        });\n\n        processLoadTemplateBuffer();\n    };\n\n    /**\n     * Load a partial from the cache or ajax.\n     *\n     * @method partialHelper\n     * @private\n     * @param {string} name The partial name to load.\n     * @return {string}\n     */\n    Renderer.prototype.partialHelper = function(name) {\n\n        var searchKey = this.currentThemeName + '/' + name;\n\n        if (!(searchKey in templateCache)) {\n            notification.exception(new Error('Failed to pre-fetch the template: ' + name));\n        }\n\n        return templateCache[searchKey];\n    };\n\n    /**\n     * Render a single image icon.\n     *\n     * @method renderIcon\n     * @private\n     * @param {string} key The icon key.\n     * @param {string} component The component name.\n     * @param {string} title The icon title\n     * @return {Promise}\n     */\n    Renderer.prototype.renderIcon = function(key, component, title) {\n        // Preload the module to do the icon rendering based on the theme iconsystem.\n        var modulename = config.iconsystemmodule;\n        component = getNormalisedComponent(component);\n\n        // RequireJS does not return a promise.\n        var ready = $.Deferred();\n        require([modulename], function(System) {\n            var system = new System();\n            if (!(system instanceof IconSystem)) {\n                ready.reject('Invalid icon system specified' + config.iconsystemmodule);\n            } else {\n                iconSystem = system;\n                system.init().then(ready.resolve).catch(notification.exception);\n            }\n        });\n\n        return ready.then(function(iconSystem) {\n            return this.getTemplate(iconSystem.getTemplateName());\n        }.bind(this)).then(function(template) {\n            return iconSystem.renderIcon(\n                key,\n                component,\n                title,\n                template\n            );\n        });\n    };\n\n    /**\n     * Render image icons.\n     *\n     * @method pixHelper\n     * @private\n     * @param {object} context The mustache context\n     * @param {string} sectionText The text to parse arguments from.\n     * @param {function} helper Used to render the alt attribute of the text.\n     * @return {string}\n     */\n    Renderer.prototype.pixHelper = function(context, sectionText, helper) {\n        var parts = sectionText.split(',');\n        var key = '';\n        var component = '';\n        var text = '';\n\n        if (parts.length > 0) {\n            key = helper(parts.shift().trim(), context);\n        }\n        if (parts.length > 0) {\n            component = helper(parts.shift().trim(), context);\n        }\n        if (parts.length > 0) {\n            text = helper(parts.join(',').trim(), context);\n        }\n\n        var templateName = iconSystem.getTemplateName();\n        var searchKey = this.currentThemeName + '/' + templateName;\n        var template = templateCache[searchKey];\n\n        component = getNormalisedComponent(component);\n\n        // The key might have been escaped by the JS Mustache engine which\n        // converts forward slashes to HTML entities. Let us undo that here.\n        key = key.replace(/&#x2F;/gi, '/');\n\n        return iconSystem.renderIcon(\n            key,\n            component,\n            text,\n            template\n        );\n    };\n\n    /**\n     * Render blocks of javascript and save them in an array.\n     *\n     * @method jsHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to save as a js block.\n     * @param {function} helper Used to render the block.\n     * @return {string}\n     */\n    Renderer.prototype.jsHelper = function(context, sectionText, helper) {\n        this.requiredJS.push(helper(sectionText, context));\n        return '';\n    };\n\n    /**\n     * String helper used to render {{#str}}abd component { a : 'fish'}{{/str}}\n     * into a get_string call.\n     *\n     * @method stringHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to parse the arguments from.\n     * @param {function} helper Used to render subsections of the text.\n     * @return {string}\n     */\n    Renderer.prototype.stringHelper = function(context, sectionText, helper) {\n        var parts = sectionText.split(',');\n        var key = '';\n        var component = '';\n        var param = '';\n        if (parts.length > 0) {\n            key = parts.shift().trim();\n        }\n        if (parts.length > 0) {\n            component = parts.shift().trim();\n        }\n        if (parts.length > 0) {\n            param = parts.join(',').trim();\n        }\n\n        component = getNormalisedComponent(component);\n\n        if (param !== '') {\n            // Allow variable expansion in the param part only.\n            param = helper(param, context);\n        }\n        // Allow json formatted $a arguments.\n        if ((param.indexOf('{') === 0) && (param.indexOf('{{') !== 0)) {\n            param = JSON.parse(param);\n        }\n\n        var index = this.requiredStrings.length;\n        this.requiredStrings.push({\n            key: key,\n            component: component,\n            param: param\n        });\n\n        // The placeholder must not use {{}} as those can be misinterpreted by the engine.\n        return '[[_s' + index + ']]';\n    };\n\n    /**\n     * Quote helper used to wrap content in quotes, and escape all quotes present in the content.\n     *\n     * @method quoteHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to parse the arguments from.\n     * @param {function} helper Used to render subsections of the text.\n     * @return {string}\n     */\n    Renderer.prototype.quoteHelper = function(context, sectionText, helper) {\n        var content = helper(sectionText.trim(), context);\n\n        // Escape the {{ and the \".\n        // This involves wrapping {{, and }} in change delimeter tags.\n        content = content\n            .replace(/\"/g, '\\\\\"')\n            .replace(/([{}]{2,3})/g, '{{=<% %>=}}$1<%={{ }}=%>')\n            .replace(/(\\r\\n|\\r|\\n)/g, '&#x0a;')\n            ;\n        return '\"' + content + '\"';\n    };\n\n    /**\n     * Shorten text helper to truncate text and append a trailing ellipsis.\n     *\n     * @method shortenTextHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to parse the arguments from.\n     * @param {function} helper Used to render subsections of the text.\n     * @return {string}\n     */\n    Renderer.prototype.shortenTextHelper = function(context, sectionText, helper) {\n        // Non-greedy split on comma to grab section text into the length and\n        // text parts.\n        var regex = /(.*?),(.*)/;\n        var parts = sectionText.match(regex);\n        // The length is the part matched in the first set of parethesis.\n        var length = parts[1].trim();\n        // The length is the part matched in the second set of parethesis.\n        var text = parts[2].trim();\n        var content = helper(text, context);\n        return Truncate.truncate(content, {\n            length: length,\n            words: true,\n            ellipsis: '...'\n        });\n    };\n\n    /**\n     * User date helper to render user dates from timestamps.\n     *\n     * @method userDateHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to parse the arguments from.\n     * @param {function} helper Used to render subsections of the text.\n     * @return {string}\n     */\n    Renderer.prototype.userDateHelper = function(context, sectionText, helper) {\n        // Non-greedy split on comma to grab the timestamp and format.\n        var regex = /(.*?),(.*)/;\n        var parts = sectionText.match(regex);\n        var timestamp = helper(parts[1].trim(), context);\n        var format = helper(parts[2].trim(), context);\n        var index = this.requiredDates.length;\n\n        this.requiredDates.push({\n            timestamp: timestamp,\n            format: format\n        });\n\n        return '[[_t_' + index + ']]';\n    };\n\n    /**\n     * Return a helper function to be added to the context for rendering the a\n     * template.\n     *\n     * This will parse the provided text before giving it to the helper function\n     * in order to remove any blacklisted nested helpers to prevent one helper\n     * from calling another.\n     *\n     * In particular to prevent the JS helper from being called from within another\n     * helper because it can lead to security issues when the JS portion is user\n     * provided.\n     *\n     * @param  {function} helperFunction The helper function to add\n     * @param  {object} context The template context for the helper function\n     * @return {Function} To be set in the context\n     */\n    Renderer.prototype.addHelperFunction = function(helperFunction, context) {\n        return function() {\n            return function(sectionText, helper) {\n                // Override the blacklisted helpers in the template context with\n                // a function that returns an empty string for use when executing\n                // other helpers. This is to prevent these helpers from being\n                // executed as part of the rendering of another helper in order to\n                // prevent any potential security issues.\n                var originalHelpers = blacklistedNestedHelpers.reduce(function(carry, name) {\n                    if (context.hasOwnProperty(name)) {\n                        carry[name] = context[name];\n                    }\n\n                    return carry;\n                }, {});\n\n                blacklistedNestedHelpers.forEach(function(helperName) {\n                    context[helperName] = function() {\n                        return '';\n                    };\n                });\n\n                // Execute the helper with the modified context that doesn't include\n                // the blacklisted nested helpers. This prevents the blacklisted\n                // helpers from being called from within other helpers.\n                var result = helperFunction.apply(this, [context, sectionText, helper]);\n\n                // Restore the original helper implementation in the context so that\n                // any further rendering has access to them again.\n                for (var name in originalHelpers) {\n                    context[name] = originalHelpers[name];\n                }\n\n                return result;\n            }.bind(this);\n        }.bind(this);\n    };\n\n    /**\n     * Add some common helper functions to all context objects passed to templates.\n     * These helpers match exactly the helpers available in php.\n     *\n     * @method addHelpers\n     * @private\n     * @param {Object} context Simple types used as the context for the template.\n     * @param {String} themeName We set this multiple times, because there are async calls.\n     */\n    Renderer.prototype.addHelpers = function(context, themeName) {\n        this.currentThemeName = themeName;\n        this.requiredStrings = [];\n        this.requiredJS = [];\n        context.uniqid = (uniqInstances++);\n        context.str = this.addHelperFunction(this.stringHelper, context);\n        context.pix = this.addHelperFunction(this.pixHelper, context);\n        context.js = this.addHelperFunction(this.jsHelper, context);\n        context.quote = this.addHelperFunction(this.quoteHelper, context);\n        context.shortentext = this.addHelperFunction(this.shortenTextHelper, context);\n        context.userdate = this.addHelperFunction(this.userDateHelper, context);\n        context.globals = {config: config};\n        context.currentTheme = themeName;\n    };\n\n    /**\n     * Get all the JS blocks from the last rendered template.\n     *\n     * @method getJS\n     * @private\n     * @return {string}\n     */\n    Renderer.prototype.getJS = function() {\n        var js = '';\n        if (this.requiredJS.length > 0) {\n            js = this.requiredJS.join(\";\\n\");\n        }\n\n        return js;\n    };\n\n    /**\n     * Treat strings in content.\n     *\n     * The purpose of this method is to replace the placeholders found in a string\n     * with the their respective translated strings.\n     *\n     * Previously we were relying on String.replace() but the complexity increased with\n     * the numbers of strings to replace. Now we manually walk the string and stop at each\n     * placeholder we find, only then we replace it. Most of the time we will\n     * replace all the placeholders in a single run, at times we will need a few\n     * more runs when placeholders are replaced with strings that contain placeholders\n     * themselves.\n     *\n     * @param {String} content The content in which string placeholders are to be found.\n     * @param {Array} strings The strings to replace with.\n     * @return {String} The treated content.\n     */\n    Renderer.prototype.treatStringsInContent = function(content, strings) {\n        var pattern = /\\[\\[_s\\d+\\]\\]/,\n            treated,\n            index,\n            strIndex,\n            walker,\n            char,\n            strFinal;\n\n        do {\n            treated = '';\n            index = content.search(pattern);\n            while (index > -1) {\n\n                // Copy the part prior to the placeholder to the treated string.\n                treated += content.substring(0, index);\n                content = content.substr(index);\n                strIndex = '';\n                walker = 4; // 4 is the length of '[[_s'.\n\n                // Walk the characters to manually extract the index of the string from the placeholder.\n                char = content.substr(walker, 1);\n                do {\n                    strIndex += char;\n                    walker++;\n                    char = content.substr(walker, 1);\n                } while (char != ']');\n\n                // Get the string, add it to the treated result, and remove the placeholder from the content to treat.\n                strFinal = strings[parseInt(strIndex, 10)];\n                if (typeof strFinal === 'undefined') {\n                    Log.debug('Could not find string for pattern [[_s' + strIndex + ']].');\n                    strFinal = '';\n                }\n                treated += strFinal;\n                content = content.substr(6 + strIndex.length); // 6 is the length of the placeholder without the index: '[[_s]]'.\n\n                // Find the next placeholder.\n                index = content.search(pattern);\n            }\n\n            // The content becomes the treated part with the rest of the content.\n            content = treated + content;\n\n            // Check if we need to walk the content again, in case strings contained placeholders.\n            index = content.search(pattern);\n\n        } while (index > -1);\n\n        return content;\n    };\n\n    /**\n     * Treat strings in content.\n     *\n     * The purpose of this method is to replace the date placeholders found in the\n     * content with the their respective translated dates.\n     *\n     * @param {String} content The content in which string placeholders are to be found.\n     * @param {Array} dates The dates to replace with.\n     * @return {String} The treated content.\n     */\n    Renderer.prototype.treatDatesInContent = function(content, dates) {\n        dates.forEach(function(date, index) {\n            var key = '\\\\[\\\\[_t_' + index + '\\\\]\\\\]';\n            var re = new RegExp(key, 'g');\n            content = content.replace(re, date);\n        });\n\n        return content;\n    };\n\n    /**\n     * Render a template and then call the callback with the result.\n     *\n     * @method doRender\n     * @private\n     * @param {string} templateSource The mustache template to render.\n     * @param {Object} context Simple types used as the context for the template.\n     * @param {String} themeName Name of the current theme.\n     * @return {Promise} object\n     */\n    Renderer.prototype.doRender = function(templateSource, context, themeName) {\n        this.currentThemeName = themeName;\n        var iconTemplate = iconSystem.getTemplateName();\n\n        var pendingPromise = new Pending('core/templates:doRender');\n        return this.getTemplate(iconTemplate).then(function() {\n            this.addHelpers(context, themeName);\n            var result = mustache.render(templateSource, context, this.partialHelper.bind(this));\n            return $.Deferred().resolve(result.trim(), this.getJS()).promise();\n        }.bind(this))\n        .then(function(html, js) {\n            if (this.requiredStrings.length > 0) {\n                return str.get_strings(this.requiredStrings).then(function(strings) {\n\n                    // Make sure string substitutions are done for the userdate\n                    // values as well.\n                    this.requiredDates = this.requiredDates.map(function(date) {\n                        return {\n                            timestamp: this.treatStringsInContent(date.timestamp, strings),\n                            format: this.treatStringsInContent(date.format, strings)\n                        };\n                    }.bind(this));\n\n                    // Why do we not do another call the render here?\n                    //\n                    // Because that would expose DOS holes. E.g.\n                    // I create an assignment called \"{{fish\" which\n                    // would get inserted in the template in the first pass\n                    // and cause the template to die on the second pass (unbalanced).\n                    html = this.treatStringsInContent(html, strings);\n                    js = this.treatStringsInContent(js, strings);\n                    return $.Deferred().resolve(html, js).promise();\n                }.bind(this));\n            }\n\n            return $.Deferred().resolve(html, js).promise();\n        }.bind(this))\n        .then(function(html, js) {\n            // This has to happen after the strings replacement because you can\n            // use the string helper in content for the user date helper.\n            if (this.requiredDates.length > 0) {\n                return UserDate.get(this.requiredDates).then(function(dates) {\n                    html = this.treatDatesInContent(html, dates);\n                    js = this.treatDatesInContent(js, dates);\n                    return $.Deferred().resolve(html, js).promise();\n                }.bind(this));\n            }\n\n            return $.Deferred().resolve(html, js).promise();\n        }.bind(this))\n        .then(function(html, js) {\n            pendingPromise.resolve();\n            return $.Deferred().resolve(html, js).promise();\n        });\n    };\n\n    /**\n     * Execute a block of JS returned from a template.\n     * Call this AFTER adding the template HTML into the DOM so the nodes can be found.\n     *\n     * @method runTemplateJS\n     * @param {string} source - A block of javascript.\n     */\n    var runTemplateJS = function(source) {\n        if (source.trim() !== '') {\n            var newscript = $('<script>').attr('type', 'text/javascript').html(source);\n            $('head').append(newscript);\n        }\n    };\n\n    /**\n     * Do some DOM replacement and trigger correct events and fire javascript.\n     *\n     * @method domReplace\n     * @private\n     * @param {JQuery} element - Element or selector to replace.\n     * @param {String} newHTML - HTML to insert / replace.\n     * @param {String} newJS - Javascript to run after the insertion.\n     * @param {Boolean} replaceChildNodes - Replace only the childnodes, alternative is to replace the entire node.\n     * @return {Array} The list of new DOM Nodes\n     */\n    var domReplace = function(element, newHTML, newJS, replaceChildNodes) {\n        var replaceNode = $(element);\n        if (replaceNode.length) {\n            // First create the dom nodes so we have a reference to them.\n            var newNodes = $(newHTML);\n            var yuiNodes = null;\n            // Do the replacement in the page.\n            if (replaceChildNodes) {\n                // Cleanup any YUI event listeners attached to any of these nodes.\n                yuiNodes = new Y.NodeList(replaceNode.children().get());\n                yuiNodes.destroy(true);\n\n                // JQuery will cleanup after itself.\n                replaceNode.empty();\n                replaceNode.append(newNodes);\n            } else {\n                // Cleanup any YUI event listeners attached to any of these nodes.\n                yuiNodes = new Y.NodeList(replaceNode.get());\n                yuiNodes.destroy(true);\n\n                // JQuery will cleanup after itself.\n                replaceNode.replaceWith(newNodes);\n            }\n            // Run any javascript associated with the new HTML.\n            runTemplateJS(newJS);\n            // Notify all filters about the new content.\n            event.notifyFilterContentUpdated(newNodes);\n\n            return newNodes.get();\n        }\n\n        return [];\n    };\n\n    /**\n     * Scan a template source for partial tags and return a list of the found partials.\n     *\n     * @method scanForPartials\n     * @private\n     * @param {string} templateSource - source template to scan.\n     * @return {Array} List of partials.\n     */\n    Renderer.prototype.scanForPartials = function(templateSource) {\n        var tokens = mustache.parse(templateSource),\n            partials = [];\n\n        var findPartial = function(tokens, partials) {\n            var i, token;\n            for (i = 0; i < tokens.length; i++) {\n                token = tokens[i];\n                if (token[0] == '>' || token[0] == '<') {\n                    partials.push(token[1]);\n                }\n                if (token.length > 4) {\n                    findPartial(token[4], partials);\n                }\n            }\n        };\n\n        findPartial(tokens, partials);\n\n        return partials;\n    };\n\n    /**\n     * Load a template and scan it for partials. Recursively fetch the partials.\n     *\n     * @method cachePartials\n     * @private\n     * @param {string} templateName - should consist of the component and the name of the template like this:\n     *                              core/menu (lib/templates/menu.mustache) or\n     *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n     * @param {Array} parentage - A list of requested partials in this render chain.\n     * @return {Promise} JQuery promise object resolved when all partials are in the cache.\n     */\n    Renderer.prototype.cachePartials = function(templateName, parentage) {\n        var searchKey = this.currentThemeName + '/' + templateName;\n\n        if (searchKey in cachePartialPromises) {\n            return cachePartialPromises[searchKey];\n        }\n\n        // This promise will not be resolved until all child partials are also resolved and ready.\n        // We create it here to allow us to check for recursive inclusion of templates.\n        // Keep track of the requested partials in this chain.\n        parentage = parentage || [searchKey];\n\n        cachePartialPromises[searchKey] = $.Deferred();\n\n        this.getTemplate(templateName)\n        .then(function(templateSource) {\n            var partials = this.scanForPartials(templateSource);\n            var uniquePartials = partials.filter(function(partialName) {\n                // Check for recursion.\n\n                if (parentage.indexOf(this.currentThemeName + '/' + partialName) >= 0) {\n                    // Ignore templates which include a parent template already requested in the current chain.\n                    return false;\n                }\n\n                // Ignore templates that include themselves.\n                return partialName != templateName;\n            }.bind(this));\n\n            // Fetch any partial which has not already been fetched.\n            var fetchThemAll = uniquePartials.map(function(partialName) {\n                parentage.push(this.currentThemeName + '/' + partialName);\n                return this.cachePartials(partialName, parentage);\n            }.bind(this));\n\n            // Resolve the templateName promise when all of the children are resolved.\n            return $.when.apply($, fetchThemAll)\n            .then(function() {\n                return cachePartialPromises[searchKey].resolve(templateSource);\n            });\n        }.bind(this))\n        .catch(cachePartialPromises[searchKey].reject);\n\n        return cachePartialPromises[searchKey];\n    };\n\n    /**\n     * Load a template and call doRender on it.\n     *\n     * @method render\n     * @private\n     * @param {string} templateName - should consist of the component and the name of the template like this:\n     *                              core/menu (lib/templates/menu.mustache) or\n     *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n     * @param {Object} context - Could be array, string or simple value for the context of the template.\n     * @param {string} themeName - Name of the current theme.\n     * @return {Promise} JQuery promise object resolved when the template has been rendered.\n     */\n    Renderer.prototype.render = function(templateName, context, themeName) {\n        if (typeof (themeName) === \"undefined\") {\n            // System context by default.\n            themeName = config.theme;\n        }\n\n        this.currentThemeName = themeName;\n\n        // Preload the module to do the icon rendering based on the theme iconsystem.\n        var modulename = config.iconsystemmodule;\n\n        var ready = $.Deferred();\n        require([modulename], function(System) {\n            var system = new System();\n            if (!(system instanceof IconSystem)) {\n                ready.reject('Invalid icon system specified' + config.iconsystem);\n            } else {\n                iconSystem = system;\n                system.init().then(ready.resolve).catch(notification.exception);\n            }\n        });\n\n        return ready.then(function() {\n                return this.cachePartials(templateName);\n            }.bind(this)).then(function(templateSource) {\n                return this.doRender(templateSource, context, themeName);\n            }.bind(this));\n    };\n\n    /**\n     * Prepend some HTML to a node and trigger events and fire javascript.\n     *\n     * @method domPrepend\n     * @private\n     * @param {jQuery|String} element - Element or selector to prepend HTML to\n     * @param {String} html - HTML to prepend\n     * @param {String} js - Javascript to run after we prepend the html\n     * @return {Array} The list of new DOM Nodes\n     */\n    var domPrepend = function(element, html, js) {\n        var node = $(element);\n        if (node.length) {\n            // Prepend the html.\n            var newContent = $(html);\n            node.prepend(newContent);\n            // Run any javascript associated with the new HTML.\n            runTemplateJS(js);\n            // Notify all filters about the new content.\n            event.notifyFilterContentUpdated(node);\n\n            return newContent.get();\n        }\n\n        return [];\n    };\n\n    /**\n     * Append some HTML to a node and trigger events and fire javascript.\n     *\n     * @method domAppend\n     * @private\n     * @param {jQuery|String} element - Element or selector to append HTML to\n     * @param {String} html - HTML to append\n     * @param {String} js - Javascript to run after we append the html\n     * @return {Array} The list of new DOM Nodes\n     */\n    var domAppend = function(element, html, js) {\n        var node = $(element);\n        if (node.length) {\n            // Append the html.\n            var newContent = $(html);\n            node.append(newContent);\n            // Run any javascript associated with the new HTML.\n            runTemplateJS(js);\n            // Notify all filters about the new content.\n            event.notifyFilterContentUpdated(node);\n\n            return newContent.get();\n        }\n\n        return [];\n    };\n\n    return /** @alias module:core/templates */ {\n        // Public variables and functions.\n        /**\n         * Every call to render creates a new instance of the class and calls render on it. This\n         * means each render call has it's own class variables.\n         *\n         * @method render\n         * @private\n         * @param {string} templateName - should consist of the component and the name of the template like this:\n         *                              core/menu (lib/templates/menu.mustache) or\n         *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n         * @param {Object} context - Could be array, string or simple value for the context of the template.\n         * @param {string} themeName - Name of the current theme.\n         * @return {Promise} JQuery promise object resolved when the template has been rendered.\n         */\n        render: function(templateName, context, themeName) {\n            var renderer = new Renderer();\n            return renderer.render(templateName, context, themeName);\n        },\n\n        /**\n         * Prefetch a set of templates without rendering them.\n         *\n         * @method getTemplate\n         * @param {Array} templateNames The list of templates to fetch\n         * @param {String} themeName\n         * @returns {Promise}\n         */\n        prefetchTemplates: function(templateNames, themeName) {\n            var renderer = new Renderer();\n\n            if (typeof themeName === \"undefined\") {\n                // System context by default.\n                themeName = config.theme;\n            }\n\n            return renderer.prefetchTemplates(templateNames, themeName);\n        },\n\n        /**\n         * Every call to render creates a new instance of the class and calls render on it. This\n         * means each render call has it's own class variables.\n         *\n         * This alernate to the standard .render() function returns the html and js in a single object suitable for a\n         * native Promise.\n         *\n         * @method renderForPromise\n         * @private\n         * @param {string} templateName - should consist of the component and the name of the template like this:\n         *                              core/menu (lib/templates/menu.mustache) or\n         *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n         * @param {Object} context - Could be array, string or simple value for the context of the template.\n         * @param {string} themeName - Name of the current theme.\n         * @return {Promise} JQuery promise object resolved when the template has been rendered.\n         */\n        renderForPromise: function(templateName, context, themeName) {\n            var renderer = new Renderer();\n            return renderer.render(templateName, context, themeName)\n            .then(function(html, js) {\n                return {\n                    html: html,\n                    js: js,\n                };\n            });\n        },\n\n        /**\n         * Every call to renderIcon creates a new instance of the class and calls renderIcon on it. This\n         * means each render call has it's own class variables.\n         *\n         * @method renderIcon\n         * @public\n         * @param {string} key - Icon key.\n         * @param {string} component - Icon component\n         * @param {string} title - Icon title\n         * @return {Promise} JQuery promise object resolved when the pix has been rendered.\n         */\n        renderPix: function(key, component, title) {\n            var renderer = new Renderer();\n            return renderer.renderIcon(\n                key,\n                getNormalisedComponent(component),\n                title\n            );\n        },\n\n        /**\n         * Execute a block of JS returned from a template.\n         * Call this AFTER adding the template HTML into the DOM so the nodes can be found.\n         *\n         * @method runTemplateJS\n         * @param {string} source - A block of javascript.\n         */\n        runTemplateJS: runTemplateJS,\n\n        /**\n         * Replace a node in the page with some new HTML and run the JS.\n         *\n         * @method replaceNodeContents\n         * @param {JQuery} element - Element or selector to replace.\n         * @param {String} newHTML - HTML to insert / replace.\n         * @param {String} newJS - Javascript to run after the insertion.\n         * @return {Array} The list of new DOM Nodes\n         */\n        replaceNodeContents: function(element, newHTML, newJS) {\n            return domReplace(element, newHTML, newJS, true);\n        },\n\n        /**\n         * Insert a node in the page with some new HTML and run the JS.\n         *\n         * @method replaceNode\n         * @param {JQuery} element - Element or selector to replace.\n         * @param {String} newHTML - HTML to insert / replace.\n         * @param {String} newJS - Javascript to run after the insertion.\n         * @return {Array} The list of new DOM Nodes\n         */\n        replaceNode: function(element, newHTML, newJS) {\n            return domReplace(element, newHTML, newJS, false);\n        },\n\n        /**\n         * Prepend some HTML to a node and trigger events and fire javascript.\n         *\n         * @method prependNodeContents\n         * @param {jQuery|String} element - Element or selector to prepend HTML to\n         * @param {String} html - HTML to prepend\n         * @param {String} js - Javascript to run after we prepend the html\n         * @return {Array} The list of new DOM Nodes\n         */\n        prependNodeContents: function(element, html, js) {\n            return domPrepend(element, html, js);\n        },\n\n        /**\n         * Append some HTML to a node and trigger events and fire javascript.\n         *\n         * @method appendNodeContents\n         * @param {jQuery|String} element - Element or selector to append HTML to\n         * @param {String} html - HTML to append\n         * @param {String} js - Javascript to run after we append the html\n         * @return {Array} The list of new DOM Nodes\n         */\n        appendNodeContents: function(element, html, js) {\n            return domAppend(element, html, js);\n        },\n    };\n});\n"],"file":"templates.min.js"}
\ No newline at end of file
+{"version":3,"file":"templates.min.js","sources":["../src/templates.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Template renderer for Moodle. Load and render Moodle templates with Mustache.\n *\n * @module     core/templates\n * @package    core\n * @class      templates\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine([\n        'core/mustache',\n        'jquery',\n        'core/ajax',\n        'core/str',\n        'core/notification',\n        'core/url',\n        'core/config',\n        'core/localstorage',\n        'core/icon_system',\n        'core/event',\n        'core/yui',\n        'core/log',\n        'core/truncate',\n        'core/user_date',\n        'core/pending',\n    ],\n    function(mustache, $, ajax, str, notification, coreurl, config, storage, IconSystem, event, Y, Log, Truncate, UserDate,\n        Pending) {\n\n    // Module variables.\n    /** @var {Number} uniqInstances Count of times this constructor has been called. */\n    var uniqInstances = 0;\n\n    /** @var {String[]} templateCache - Cache of already loaded template strings */\n    var templateCache = {};\n\n    /** @var {Promise[]} templatePromises - Cache of already loaded template promises */\n    var templatePromises = {};\n\n    /** @var {Promise[]} cachePartialPromises - Cache of already loaded template partial promises */\n    var cachePartialPromises = {};\n\n    /** @var {Object} iconSystem - Object extending core/iconsystem */\n    var iconSystem = {};\n\n    /** @var {Object[]} loadTemplateBuffer - List of templates to be loaded */\n    var loadTemplateBuffer = [];\n\n    /** @var {Bool} isLoadingTemplates - Whether templates are currently being loaded */\n    var isLoadingTemplates = false;\n\n    /** @var {Array} blacklistedNestedHelpers - List of helpers that can't be called within other helpers */\n    var blacklistedNestedHelpers = ['js'];\n\n    /**\n     * Normalise the provided component such that '', 'moodle', and 'core' are treated consistently.\n     *\n     * @param   {String} component\n     * @returns {String}\n     */\n    var getNormalisedComponent = function(component) {\n        if (component) {\n            if (component !== 'moodle' && component !== 'core') {\n                return component;\n            }\n        }\n\n        return 'core';\n    };\n\n    /**\n     * Search the various caches for a template promise for the given search key.\n     * The search key should be in the format <theme>/<component>/<template> e.g. boost/core/modal.\n     *\n     * If the template is found in any of the caches it will populate the other caches with\n     * the same data as well.\n     *\n     * @param {String} searchKey The template search key in the format <theme>/<component>/<template> e.g. boost/core/modal\n     * @return {Object} jQuery promise resolved with the template source\n     */\n    var getTemplatePromiseFromCache = function(searchKey) {\n        // First try the cache of promises.\n        if (searchKey in templatePromises) {\n            return templatePromises[searchKey];\n        }\n\n        // Check the module cache.\n        if (searchKey in templateCache) {\n            // Add this to the promises cache for future.\n            templatePromises[searchKey] = $.Deferred().resolve(templateCache[searchKey]).promise();\n            return templatePromises[searchKey];\n        }\n\n        if (M.cfg.templaterev <= 0) {\n            // Template caching is disabled. Do not store in persistent storage.\n            return null;\n        }\n\n        // Now try local storage.\n        var cached = storage.get('core_template/' + M.cfg.templaterev + ':' + searchKey);\n        if (cached) {\n            // Add this to the module cache for future.\n            templateCache[searchKey] = cached;\n            // Add this to the promises cache for future.\n            templatePromises[searchKey] = $.Deferred().resolve(cached).promise();\n            return templatePromises[searchKey];\n        }\n\n        return null;\n    };\n\n    /**\n     * Take all of the templates waiting in the buffer and load them from the server\n     * or from the cache.\n     *\n     * All of the templates that need to be loaded from the server will be batched up\n     * and sent in a single network request.\n     */\n    var processLoadTemplateBuffer = function() {\n        if (!loadTemplateBuffer.length) {\n            return;\n        }\n\n        if (isLoadingTemplates) {\n            return;\n        }\n\n        isLoadingTemplates = true;\n        // Grab any templates waiting in the buffer.\n        var templatesToLoad = loadTemplateBuffer.slice();\n        // This will be resolved with the list of promises for the server request.\n        var serverRequestsDeferred = $.Deferred();\n        var requests = [];\n        // Get a list of promises for each of the templates we need to load.\n        var templatePromises = templatesToLoad.map(function(templateData) {\n            var component = getNormalisedComponent(templateData.component);\n            var name = templateData.name;\n            var searchKey = templateData.searchKey;\n            var theme = templateData.theme;\n            var templateDeferred = templateData.deferred;\n            var promise = null;\n\n            // Double check to see if this template happened to have landed in the\n            // cache as a dependency of an earlier template.\n            var cachedPromise = getTemplatePromiseFromCache(searchKey);\n            if (cachedPromise) {\n                // We've seen this template so immediately resolve the existing promise.\n                promise = cachedPromise;\n            } else {\n                // We haven't seen this template yet so we need to request it from\n                // the server.\n                requests.push({\n                    methodname: 'core_output_load_template_with_dependencies',\n                    args: {\n                        component: component,\n                        template: name,\n                        themename: theme,\n                        lang: $('html').attr('lang').replace(/-/g, '_')\n                    }\n                });\n                // Remember the index in the requests list for this template so that\n                // we can get the appropriate promise back.\n                var index = requests.length - 1;\n\n                // The server deferred will be resolved with a list of all of the promises\n                // that were sent in the order that they were added to the requests array.\n                promise = serverRequestsDeferred.promise()\n                    .then(function(promises) {\n                        // The promise for this template will be the one that matches the index\n                        // for it's entry in the requests array.\n                        //\n                        // Make sure the promise is added to the promises cache for this template\n                        // search key so that we don't request it again.\n                        templatePromises[searchKey] = promises[index].then(function(response) {\n                            var templateSource = null;\n\n                            // Process all of the template dependencies for this template and add\n                            // them to the caches so that we don't request them again later.\n                            response.templates.forEach(function(data) {\n                                data.component = getNormalisedComponent(data.component);\n                                // Generate the search key for this template in the response so that we\n                                // can add it to the caches.\n                                var tempSearchKey = [theme, data.component, data.name].join('/');\n                                // Cache all of the dependent templates because we'll need them to render\n                                // the requested template.\n                                templateCache[tempSearchKey] = data.value;\n\n                                if (M.cfg.templaterev > 0) {\n                                    // The template cache is enabled - set the value there.\n                                    storage.set('core_template/' + M.cfg.templaterev + ':' + tempSearchKey, data.value);\n                                }\n\n                                if (data.component == component && data.name == name) {\n                                    // This is the original template that was requested so remember it to return.\n                                    templateSource = data.value;\n                                }\n                            });\n\n                            if (response.strings.length) {\n                                // If we have strings that the template needs then warm the string cache\n                                // with them now so that we don't need to re-fetch them.\n                                str.cache_strings(response.strings.map(function(data) {\n                                    return {\n                                        component: getNormalisedComponent(data.component),\n                                        key: data.name,\n                                        value: data.value\n                                    };\n                                }));\n                            }\n\n                            // Return the original template source that the user requested.\n                            return templateSource;\n                        });\n\n                        return templatePromises[searchKey];\n                    });\n            }\n\n            return promise\n                .then(function(source) {\n                    // When we've successfully loaded the template then resolve the deferred\n                    // in the buffer so that all of the calling code can proceed.\n                    return templateDeferred.resolve(source);\n                })\n                .catch(function(error) {\n                    // If there was an error loading the template then reject the deferred\n                    // in the buffer so that all of the calling code can proceed.\n                    templateDeferred.reject(error);\n                    // Rethrow for anyone else listening.\n                    throw error;\n                });\n        });\n\n        if (requests.length) {\n            // We have requests to send so resolve the deferred with the promises.\n            serverRequestsDeferred.resolve(ajax.call(requests, true, false, false, 0, M.cfg.templaterev));\n        } else {\n            // Nothing to load so we can resolve our deferred.\n            serverRequestsDeferred.resolve();\n        }\n\n        // Once we've finished loading all of the templates then recurse to process\n        // any templates that may have been added to the buffer in the time that we\n        // were fetching.\n        $.when.apply(null, templatePromises)\n            .then(function() {\n                // Remove the templates we've loaded from the buffer.\n                loadTemplateBuffer.splice(0, templatesToLoad.length);\n                isLoadingTemplates = false;\n                processLoadTemplateBuffer();\n                return;\n            })\n            .catch(function() {\n                // Remove the templates we've loaded from the buffer.\n                loadTemplateBuffer.splice(0, templatesToLoad.length);\n                isLoadingTemplates = false;\n                processLoadTemplateBuffer();\n            });\n    };\n\n    /**\n     * Constructor\n     *\n     * Each call to templates.render gets it's own instance of this class.\n     */\n    var Renderer = function() {\n        this.requiredStrings = [];\n        this.requiredJS = [];\n        this.requiredDates = [];\n        this.currentThemeName = '';\n    };\n    // Class variables and functions.\n\n    /** @var {string[]} requiredStrings - Collection of strings found during the rendering of one template */\n    Renderer.prototype.requiredStrings = null;\n\n    /** @var {object[]} requiredDates - Collection of dates found during the rendering of one template */\n    Renderer.prototype.requiredDates = [];\n\n    /** @var {string[]} requiredJS - Collection of js blocks found during the rendering of one template */\n    Renderer.prototype.requiredJS = null;\n\n    /** @var {String} themeName for the current render */\n    Renderer.prototype.currentThemeName = '';\n\n    /**\n     * Load a template.\n     *\n     * @method getTemplate\n     * @private\n     * @param {string} templateName - should consist of the component and the name of the template like this:\n     *                              core/menu (lib/templates/menu.mustache) or\n     *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n     * @return {Promise} JQuery promise object resolved when the template has been fetched.\n     */\n    Renderer.prototype.getTemplate = function(templateName) {\n        var currentTheme = this.currentThemeName;\n        var searchKey = currentTheme + '/' + templateName;\n\n        // If we haven't already seen this template then buffer it.\n        var cachedPromise = getTemplatePromiseFromCache(searchKey);\n        if (cachedPromise) {\n            return cachedPromise;\n        }\n\n        // Check the buffer to see if this template has already been added.\n        var existingBufferRecords = loadTemplateBuffer.filter(function(record) {\n            return record.searchKey == searchKey;\n        });\n        if (existingBufferRecords.length) {\n            // This template is already in the buffer so just return the existing\n            // promise. No need to add it to the buffer again.\n            return existingBufferRecords[0].deferred.promise();\n        }\n\n        // This is the first time this has been requested so let's add it to the buffer\n        // to be loaded.\n        var parts = templateName.split('/');\n        var component = getNormalisedComponent(parts.shift());\n        var name = parts.join('/');\n        var deferred = $.Deferred();\n\n        // Add this template to the buffer to be loaded.\n        loadTemplateBuffer.push({\n            component: component,\n            name: name,\n            theme: currentTheme,\n            searchKey: searchKey,\n            deferred: deferred\n        });\n\n        // We know there is at least one thing in the buffer so kick off a processing run.\n        processLoadTemplateBuffer();\n        return deferred.promise();\n    };\n\n    /**\n     * Prefetch a set of templates without rendering them.\n     *\n     * @param {Array} templateNames The list of templates to fetch\n     * @param {String} currentTheme\n     */\n    Renderer.prototype.prefetchTemplates = function(templateNames, currentTheme) {\n        templateNames.forEach(function(templateName) {\n            var searchKey = currentTheme + '/' + templateName;\n\n            // If we haven't already seen this template then buffer it.\n            if (getTemplatePromiseFromCache(searchKey)) {\n                return;\n            }\n\n            // Check the buffer to see if this template has already been added.\n            var existingBufferRecords = loadTemplateBuffer.filter(function(record) {\n                return record.searchKey == searchKey;\n            });\n\n            if (existingBufferRecords.length) {\n                // This template is already in the buffer so just return the existing promise.\n                // No need to add it to the buffer again.\n                return;\n            }\n\n            // This is the first time this has been requested so let's add it to the buffer to be loaded.\n            var parts = templateName.split('/');\n            var component = getNormalisedComponent(parts.shift());\n            var name = parts.join('/');\n\n            // Add this template to the buffer to be loaded.\n            loadTemplateBuffer.push({\n                component: component,\n                name: name,\n                theme: currentTheme,\n                searchKey: searchKey,\n                deferred: $.Deferred(),\n            });\n        });\n\n        processLoadTemplateBuffer();\n    };\n\n    /**\n     * Load a partial from the cache or ajax.\n     *\n     * @method partialHelper\n     * @private\n     * @param {string} name The partial name to load.\n     * @return {string}\n     */\n    Renderer.prototype.partialHelper = function(name) {\n\n        var searchKey = this.currentThemeName + '/' + name;\n\n        if (!(searchKey in templateCache)) {\n            notification.exception(new Error('Failed to pre-fetch the template: ' + name));\n        }\n\n        return templateCache[searchKey];\n    };\n\n    /**\n     * Render a single image icon.\n     *\n     * @method renderIcon\n     * @private\n     * @param {string} key The icon key.\n     * @param {string} component The component name.\n     * @param {string} title The icon title\n     * @return {Promise}\n     */\n    Renderer.prototype.renderIcon = function(key, component, title) {\n        // Preload the module to do the icon rendering based on the theme iconsystem.\n        var modulename = config.iconsystemmodule;\n        component = getNormalisedComponent(component);\n\n        // RequireJS does not return a promise.\n        var ready = $.Deferred();\n        require([modulename], function(System) {\n            var system = new System();\n            if (!(system instanceof IconSystem)) {\n                ready.reject('Invalid icon system specified' + config.iconsystemmodule);\n            } else {\n                iconSystem = system;\n                system.init().then(ready.resolve).catch(notification.exception);\n            }\n        });\n\n        return ready.then(function(iconSystem) {\n            return this.getTemplate(iconSystem.getTemplateName());\n        }.bind(this)).then(function(template) {\n            return iconSystem.renderIcon(\n                key,\n                component,\n                title,\n                template\n            );\n        });\n    };\n\n    /**\n     * Render image icons.\n     *\n     * @method pixHelper\n     * @private\n     * @param {object} context The mustache context\n     * @param {string} sectionText The text to parse arguments from.\n     * @param {function} helper Used to render the alt attribute of the text.\n     * @return {string}\n     */\n    Renderer.prototype.pixHelper = function(context, sectionText, helper) {\n        var parts = sectionText.split(',');\n        var key = '';\n        var component = '';\n        var text = '';\n\n        if (parts.length > 0) {\n            key = helper(parts.shift().trim(), context);\n        }\n        if (parts.length > 0) {\n            component = helper(parts.shift().trim(), context);\n        }\n        if (parts.length > 0) {\n            text = helper(parts.join(',').trim(), context);\n        }\n\n        var templateName = iconSystem.getTemplateName();\n        var searchKey = this.currentThemeName + '/' + templateName;\n        var template = templateCache[searchKey];\n\n        component = getNormalisedComponent(component);\n\n        // The key might have been escaped by the JS Mustache engine which\n        // converts forward slashes to HTML entities. Let us undo that here.\n        key = key.replace(/&#x2F;/gi, '/');\n\n        return iconSystem.renderIcon(\n            key,\n            component,\n            text,\n            template\n        );\n    };\n\n    /**\n     * Render blocks of javascript and save them in an array.\n     *\n     * @method jsHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to save as a js block.\n     * @param {function} helper Used to render the block.\n     * @return {string}\n     */\n    Renderer.prototype.jsHelper = function(context, sectionText, helper) {\n        this.requiredJS.push(helper(sectionText, context));\n        return '';\n    };\n\n    /**\n     * String helper used to render {{#str}}abd component { a : 'fish'}{{/str}}\n     * into a get_string call.\n     *\n     * @method stringHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to parse the arguments from.\n     * @param {function} helper Used to render subsections of the text.\n     * @return {string}\n     */\n    Renderer.prototype.stringHelper = function(context, sectionText, helper) {\n        var parts = sectionText.split(',');\n        var key = '';\n        var component = '';\n        var param = '';\n        if (parts.length > 0) {\n            key = parts.shift().trim();\n        }\n        if (parts.length > 0) {\n            component = parts.shift().trim();\n        }\n        if (parts.length > 0) {\n            param = parts.join(',').trim();\n        }\n\n        component = getNormalisedComponent(component);\n\n        if (param !== '') {\n            // Allow variable expansion in the param part only.\n            param = helper(param, context);\n        }\n        // Allow json formatted $a arguments.\n        if ((param.indexOf('{') === 0) && (param.indexOf('{{') !== 0)) {\n            param = JSON.parse(param);\n        }\n\n        var index = this.requiredStrings.length;\n        this.requiredStrings.push({\n            key: key,\n            component: component,\n            param: param\n        });\n\n        // The placeholder must not use {{}} as those can be misinterpreted by the engine.\n        return '[[_s' + index + ']]';\n    };\n\n    /**\n     * Quote helper used to wrap content in quotes, and escape all quotes present in the content.\n     *\n     * @method quoteHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to parse the arguments from.\n     * @param {function} helper Used to render subsections of the text.\n     * @return {string}\n     */\n    Renderer.prototype.quoteHelper = function(context, sectionText, helper) {\n        var content = helper(sectionText.trim(), context);\n\n        // Escape the {{ and the \".\n        // This involves wrapping {{, and }} in change delimeter tags.\n        content = content\n            .replace(/\"/g, '\\\\\"')\n            .replace(/([{}]{2,3})/g, '{{=<% %>=}}$1<%={{ }}=%>')\n            .replace(/(\\r\\n|\\r|\\n)/g, '&#x0a;')\n            ;\n        return '\"' + content + '\"';\n    };\n\n    /**\n     * Shorten text helper to truncate text and append a trailing ellipsis.\n     *\n     * @method shortenTextHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to parse the arguments from.\n     * @param {function} helper Used to render subsections of the text.\n     * @return {string}\n     */\n    Renderer.prototype.shortenTextHelper = function(context, sectionText, helper) {\n        // Non-greedy split on comma to grab section text into the length and\n        // text parts.\n        var regex = /(.*?),(.*)/;\n        var parts = sectionText.match(regex);\n        // The length is the part matched in the first set of parethesis.\n        var length = parts[1].trim();\n        // The length is the part matched in the second set of parethesis.\n        var text = parts[2].trim();\n        var content = helper(text, context);\n        return Truncate.truncate(content, {\n            length: length,\n            words: true,\n            ellipsis: '...'\n        });\n    };\n\n    /**\n     * User date helper to render user dates from timestamps.\n     *\n     * @method userDateHelper\n     * @private\n     * @param {object} context The current mustache context.\n     * @param {string} sectionText The text to parse the arguments from.\n     * @param {function} helper Used to render subsections of the text.\n     * @return {string}\n     */\n    Renderer.prototype.userDateHelper = function(context, sectionText, helper) {\n        // Non-greedy split on comma to grab the timestamp and format.\n        var regex = /(.*?),(.*)/;\n        var parts = sectionText.match(regex);\n        var timestamp = helper(parts[1].trim(), context);\n        var format = helper(parts[2].trim(), context);\n        var index = this.requiredDates.length;\n\n        this.requiredDates.push({\n            timestamp: timestamp,\n            format: format\n        });\n\n        return '[[_t_' + index + ']]';\n    };\n\n    /**\n     * Return a helper function to be added to the context for rendering the a\n     * template.\n     *\n     * This will parse the provided text before giving it to the helper function\n     * in order to remove any blacklisted nested helpers to prevent one helper\n     * from calling another.\n     *\n     * In particular to prevent the JS helper from being called from within another\n     * helper because it can lead to security issues when the JS portion is user\n     * provided.\n     *\n     * @param  {function} helperFunction The helper function to add\n     * @param  {object} context The template context for the helper function\n     * @return {Function} To be set in the context\n     */\n    Renderer.prototype.addHelperFunction = function(helperFunction, context) {\n        return function() {\n            return function(sectionText, helper) {\n                // Override the blacklisted helpers in the template context with\n                // a function that returns an empty string for use when executing\n                // other helpers. This is to prevent these helpers from being\n                // executed as part of the rendering of another helper in order to\n                // prevent any potential security issues.\n                var originalHelpers = blacklistedNestedHelpers.reduce(function(carry, name) {\n                    if (context.hasOwnProperty(name)) {\n                        carry[name] = context[name];\n                    }\n\n                    return carry;\n                }, {});\n\n                blacklistedNestedHelpers.forEach(function(helperName) {\n                    context[helperName] = function() {\n                        return '';\n                    };\n                });\n\n                // Execute the helper with the modified context that doesn't include\n                // the blacklisted nested helpers. This prevents the blacklisted\n                // helpers from being called from within other helpers.\n                var result = helperFunction.apply(this, [context, sectionText, helper]);\n\n                // Restore the original helper implementation in the context so that\n                // any further rendering has access to them again.\n                for (var name in originalHelpers) {\n                    context[name] = originalHelpers[name];\n                }\n\n                return result;\n            }.bind(this);\n        }.bind(this);\n    };\n\n    /**\n     * Add some common helper functions to all context objects passed to templates.\n     * These helpers match exactly the helpers available in php.\n     *\n     * @method addHelpers\n     * @private\n     * @param {Object} context Simple types used as the context for the template.\n     * @param {String} themeName We set this multiple times, because there are async calls.\n     */\n    Renderer.prototype.addHelpers = function(context, themeName) {\n        this.currentThemeName = themeName;\n        this.requiredStrings = [];\n        this.requiredJS = [];\n        context.uniqid = (uniqInstances++);\n        context.str = this.addHelperFunction(this.stringHelper, context);\n        context.pix = this.addHelperFunction(this.pixHelper, context);\n        context.js = this.addHelperFunction(this.jsHelper, context);\n        context.quote = this.addHelperFunction(this.quoteHelper, context);\n        context.shortentext = this.addHelperFunction(this.shortenTextHelper, context);\n        context.userdate = this.addHelperFunction(this.userDateHelper, context);\n        context.globals = {config: config};\n        context.currentTheme = themeName;\n    };\n\n    /**\n     * Get all the JS blocks from the last rendered template.\n     *\n     * @method getJS\n     * @private\n     * @return {string}\n     */\n    Renderer.prototype.getJS = function() {\n        var js = '';\n        if (this.requiredJS.length > 0) {\n            js = this.requiredJS.join(\";\\n\");\n        }\n\n        return js;\n    };\n\n    /**\n     * Treat strings in content.\n     *\n     * The purpose of this method is to replace the placeholders found in a string\n     * with the their respective translated strings.\n     *\n     * Previously we were relying on String.replace() but the complexity increased with\n     * the numbers of strings to replace. Now we manually walk the string and stop at each\n     * placeholder we find, only then we replace it. Most of the time we will\n     * replace all the placeholders in a single run, at times we will need a few\n     * more runs when placeholders are replaced with strings that contain placeholders\n     * themselves.\n     *\n     * @param {String} content The content in which string placeholders are to be found.\n     * @param {Array} strings The strings to replace with.\n     * @return {String} The treated content.\n     */\n    Renderer.prototype.treatStringsInContent = function(content, strings) {\n        var pattern = /\\[\\[_s\\d+\\]\\]/,\n            treated,\n            index,\n            strIndex,\n            walker,\n            char,\n            strFinal;\n\n        do {\n            treated = '';\n            index = content.search(pattern);\n            while (index > -1) {\n\n                // Copy the part prior to the placeholder to the treated string.\n                treated += content.substring(0, index);\n                content = content.substr(index);\n                strIndex = '';\n                walker = 4; // 4 is the length of '[[_s'.\n\n                // Walk the characters to manually extract the index of the string from the placeholder.\n                char = content.substr(walker, 1);\n                do {\n                    strIndex += char;\n                    walker++;\n                    char = content.substr(walker, 1);\n                } while (char != ']');\n\n                // Get the string, add it to the treated result, and remove the placeholder from the content to treat.\n                strFinal = strings[parseInt(strIndex, 10)];\n                if (typeof strFinal === 'undefined') {\n                    Log.debug('Could not find string for pattern [[_s' + strIndex + ']].');\n                    strFinal = '';\n                }\n                treated += strFinal;\n                content = content.substr(6 + strIndex.length); // 6 is the length of the placeholder without the index: '[[_s]]'.\n\n                // Find the next placeholder.\n                index = content.search(pattern);\n            }\n\n            // The content becomes the treated part with the rest of the content.\n            content = treated + content;\n\n            // Check if we need to walk the content again, in case strings contained placeholders.\n            index = content.search(pattern);\n\n        } while (index > -1);\n\n        return content;\n    };\n\n    /**\n     * Treat strings in content.\n     *\n     * The purpose of this method is to replace the date placeholders found in the\n     * content with the their respective translated dates.\n     *\n     * @param {String} content The content in which string placeholders are to be found.\n     * @param {Array} dates The dates to replace with.\n     * @return {String} The treated content.\n     */\n    Renderer.prototype.treatDatesInContent = function(content, dates) {\n        dates.forEach(function(date, index) {\n            var key = '\\\\[\\\\[_t_' + index + '\\\\]\\\\]';\n            var re = new RegExp(key, 'g');\n            content = content.replace(re, date);\n        });\n\n        return content;\n    };\n\n    /**\n     * Render a template and then call the callback with the result.\n     *\n     * @method doRender\n     * @private\n     * @param {string} templateSource The mustache template to render.\n     * @param {Object} context Simple types used as the context for the template.\n     * @param {String} themeName Name of the current theme.\n     * @return {Promise} object\n     */\n    Renderer.prototype.doRender = function(templateSource, context, themeName) {\n        this.currentThemeName = themeName;\n        var iconTemplate = iconSystem.getTemplateName();\n\n        var pendingPromise = new Pending('core/templates:doRender');\n        return this.getTemplate(iconTemplate).then(function() {\n            this.addHelpers(context, themeName);\n            var result = mustache.render(templateSource, context, this.partialHelper.bind(this));\n            return $.Deferred().resolve(result.trim(), this.getJS()).promise();\n        }.bind(this))\n        .then(function(html, js) {\n            if (this.requiredStrings.length > 0) {\n                return str.get_strings(this.requiredStrings).then(function(strings) {\n\n                    // Make sure string substitutions are done for the userdate\n                    // values as well.\n                    this.requiredDates = this.requiredDates.map(function(date) {\n                        return {\n                            timestamp: this.treatStringsInContent(date.timestamp, strings),\n                            format: this.treatStringsInContent(date.format, strings)\n                        };\n                    }.bind(this));\n\n                    // Why do we not do another call the render here?\n                    //\n                    // Because that would expose DOS holes. E.g.\n                    // I create an assignment called \"{{fish\" which\n                    // would get inserted in the template in the first pass\n                    // and cause the template to die on the second pass (unbalanced).\n                    html = this.treatStringsInContent(html, strings);\n                    js = this.treatStringsInContent(js, strings);\n                    return $.Deferred().resolve(html, js).promise();\n                }.bind(this));\n            }\n\n            return $.Deferred().resolve(html, js).promise();\n        }.bind(this))\n        .then(function(html, js) {\n            // This has to happen after the strings replacement because you can\n            // use the string helper in content for the user date helper.\n            if (this.requiredDates.length > 0) {\n                return UserDate.get(this.requiredDates).then(function(dates) {\n                    html = this.treatDatesInContent(html, dates);\n                    js = this.treatDatesInContent(js, dates);\n                    return $.Deferred().resolve(html, js).promise();\n                }.bind(this));\n            }\n\n            return $.Deferred().resolve(html, js).promise();\n        }.bind(this))\n        .then(function(html, js) {\n            pendingPromise.resolve();\n            return $.Deferred().resolve(html, js).promise();\n        });\n    };\n\n    /**\n     * Execute a block of JS returned from a template.\n     * Call this AFTER adding the template HTML into the DOM so the nodes can be found.\n     *\n     * @method runTemplateJS\n     * @param {string} source - A block of javascript.\n     */\n    var runTemplateJS = function(source) {\n        if (source.trim() !== '') {\n            var newscript = $('<script>').attr('type', 'text/javascript').html(source);\n            $('head').append(newscript);\n        }\n    };\n\n    /**\n     * Do some DOM replacement and trigger correct events and fire javascript.\n     *\n     * @method domReplace\n     * @private\n     * @param {JQuery} element - Element or selector to replace.\n     * @param {String} newHTML - HTML to insert / replace.\n     * @param {String} newJS - Javascript to run after the insertion.\n     * @param {Boolean} replaceChildNodes - Replace only the childnodes, alternative is to replace the entire node.\n     * @return {Array} The list of new DOM Nodes\n     */\n    var domReplace = function(element, newHTML, newJS, replaceChildNodes) {\n        var replaceNode = $(element);\n        if (replaceNode.length) {\n            // First create the dom nodes so we have a reference to them.\n            var newNodes = $(newHTML);\n            var yuiNodes = null;\n            // Do the replacement in the page.\n            if (replaceChildNodes) {\n                // Cleanup any YUI event listeners attached to any of these nodes.\n                yuiNodes = new Y.NodeList(replaceNode.children().get());\n                yuiNodes.destroy(true);\n\n                // JQuery will cleanup after itself.\n                replaceNode.empty();\n                replaceNode.append(newNodes);\n            } else {\n                // Cleanup any YUI event listeners attached to any of these nodes.\n                yuiNodes = new Y.NodeList(replaceNode.get());\n                yuiNodes.destroy(true);\n\n                // JQuery will cleanup after itself.\n                replaceNode.replaceWith(newNodes);\n            }\n            // Run any javascript associated with the new HTML.\n            runTemplateJS(newJS);\n            // Notify all filters about the new content.\n            event.notifyFilterContentUpdated(newNodes);\n\n            return newNodes.get();\n        }\n\n        return [];\n    };\n\n    /**\n     * Scan a template source for partial tags and return a list of the found partials.\n     *\n     * @method scanForPartials\n     * @private\n     * @param {string} templateSource - source template to scan.\n     * @return {Array} List of partials.\n     */\n    Renderer.prototype.scanForPartials = function(templateSource) {\n        var tokens = mustache.parse(templateSource),\n            partials = [];\n\n        var findPartial = function(tokens, partials) {\n            var i, token;\n            for (i = 0; i < tokens.length; i++) {\n                token = tokens[i];\n                if (token[0] == '>' || token[0] == '<') {\n                    partials.push(token[1]);\n                }\n                if (token.length > 4) {\n                    findPartial(token[4], partials);\n                }\n            }\n        };\n\n        findPartial(tokens, partials);\n\n        return partials;\n    };\n\n    /**\n     * Load a template and scan it for partials. Recursively fetch the partials.\n     *\n     * @method cachePartials\n     * @private\n     * @param {string} templateName - should consist of the component and the name of the template like this:\n     *                              core/menu (lib/templates/menu.mustache) or\n     *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n     * @param {Array} parentage - A list of requested partials in this render chain.\n     * @return {Promise} JQuery promise object resolved when all partials are in the cache.\n     */\n    Renderer.prototype.cachePartials = function(templateName, parentage) {\n        var searchKey = this.currentThemeName + '/' + templateName;\n\n        if (searchKey in cachePartialPromises) {\n            return cachePartialPromises[searchKey];\n        }\n\n        // This promise will not be resolved until all child partials are also resolved and ready.\n        // We create it here to allow us to check for recursive inclusion of templates.\n        // Keep track of the requested partials in this chain.\n        parentage = parentage || [searchKey];\n\n        cachePartialPromises[searchKey] = $.Deferred();\n\n        this.getTemplate(templateName)\n        .then(function(templateSource) {\n            var partials = this.scanForPartials(templateSource);\n            var uniquePartials = partials.filter(function(partialName) {\n                // Check for recursion.\n\n                if (parentage.indexOf(this.currentThemeName + '/' + partialName) >= 0) {\n                    // Ignore templates which include a parent template already requested in the current chain.\n                    return false;\n                }\n\n                // Ignore templates that include themselves.\n                return partialName != templateName;\n            }.bind(this));\n\n            // Fetch any partial which has not already been fetched.\n            var fetchThemAll = uniquePartials.map(function(partialName) {\n                parentage.push(this.currentThemeName + '/' + partialName);\n                return this.cachePartials(partialName, parentage);\n            }.bind(this));\n\n            // Resolve the templateName promise when all of the children are resolved.\n            return $.when.apply($, fetchThemAll)\n            .then(function() {\n                return cachePartialPromises[searchKey].resolve(templateSource);\n            });\n        }.bind(this))\n        .catch(cachePartialPromises[searchKey].reject);\n\n        return cachePartialPromises[searchKey];\n    };\n\n    /**\n     * Load a template and call doRender on it.\n     *\n     * @method render\n     * @private\n     * @param {string} templateName - should consist of the component and the name of the template like this:\n     *                              core/menu (lib/templates/menu.mustache) or\n     *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n     * @param {Object} context - Could be array, string or simple value for the context of the template.\n     * @param {string} themeName - Name of the current theme.\n     * @return {Promise} JQuery promise object resolved when the template has been rendered.\n     */\n    Renderer.prototype.render = function(templateName, context, themeName) {\n        if (typeof (themeName) === \"undefined\") {\n            // System context by default.\n            themeName = config.theme;\n        }\n\n        this.currentThemeName = themeName;\n\n        // Preload the module to do the icon rendering based on the theme iconsystem.\n        var modulename = config.iconsystemmodule;\n\n        var ready = $.Deferred();\n        require([modulename], function(System) {\n            var system = new System();\n            if (!(system instanceof IconSystem)) {\n                ready.reject('Invalid icon system specified' + config.iconsystem);\n            } else {\n                iconSystem = system;\n                system.init().then(ready.resolve).catch(notification.exception);\n            }\n        });\n\n        return ready.then(function() {\n                return this.cachePartials(templateName);\n            }.bind(this)).then(function(templateSource) {\n                return this.doRender(templateSource, context, themeName);\n            }.bind(this));\n    };\n\n    /**\n     * Prepend some HTML to a node and trigger events and fire javascript.\n     *\n     * @method domPrepend\n     * @private\n     * @param {jQuery|String} element - Element or selector to prepend HTML to\n     * @param {String} html - HTML to prepend\n     * @param {String} js - Javascript to run after we prepend the html\n     * @return {Array} The list of new DOM Nodes\n     */\n    var domPrepend = function(element, html, js) {\n        var node = $(element);\n        if (node.length) {\n            // Prepend the html.\n            var newContent = $(html);\n            node.prepend(newContent);\n            // Run any javascript associated with the new HTML.\n            runTemplateJS(js);\n            // Notify all filters about the new content.\n            event.notifyFilterContentUpdated(node);\n\n            return newContent.get();\n        }\n\n        return [];\n    };\n\n    /**\n     * Append some HTML to a node and trigger events and fire javascript.\n     *\n     * @method domAppend\n     * @private\n     * @param {jQuery|String} element - Element or selector to append HTML to\n     * @param {String} html - HTML to append\n     * @param {String} js - Javascript to run after we append the html\n     * @return {Array} The list of new DOM Nodes\n     */\n    var domAppend = function(element, html, js) {\n        var node = $(element);\n        if (node.length) {\n            // Append the html.\n            var newContent = $(html);\n            node.append(newContent);\n            // Run any javascript associated with the new HTML.\n            runTemplateJS(js);\n            // Notify all filters about the new content.\n            event.notifyFilterContentUpdated(node);\n\n            return newContent.get();\n        }\n\n        return [];\n    };\n\n    return /** @alias module:core/templates */ {\n        // Public variables and functions.\n        /**\n         * Every call to render creates a new instance of the class and calls render on it. This\n         * means each render call has it's own class variables.\n         *\n         * @method render\n         * @private\n         * @param {string} templateName - should consist of the component and the name of the template like this:\n         *                              core/menu (lib/templates/menu.mustache) or\n         *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n         * @param {Object} context - Could be array, string or simple value for the context of the template.\n         * @param {string} themeName - Name of the current theme.\n         * @return {Promise} JQuery promise object resolved when the template has been rendered.\n         */\n        render: function(templateName, context, themeName) {\n            var renderer = new Renderer();\n            return renderer.render(templateName, context, themeName);\n        },\n\n        /**\n         * Prefetch a set of templates without rendering them.\n         *\n         * @method getTemplate\n         * @param {Array} templateNames The list of templates to fetch\n         * @param {String} themeName\n         * @returns {Promise}\n         */\n        prefetchTemplates: function(templateNames, themeName) {\n            var renderer = new Renderer();\n\n            if (typeof themeName === \"undefined\") {\n                // System context by default.\n                themeName = config.theme;\n            }\n\n            return renderer.prefetchTemplates(templateNames, themeName);\n        },\n\n        /**\n         * Every call to render creates a new instance of the class and calls render on it. This\n         * means each render call has it's own class variables.\n         *\n         * This alernate to the standard .render() function returns the html and js in a single object suitable for a\n         * native Promise.\n         *\n         * @method renderForPromise\n         * @private\n         * @param {string} templateName - should consist of the component and the name of the template like this:\n         *                              core/menu (lib/templates/menu.mustache) or\n         *                              tool_bananas/yellow (admin/tool/bananas/templates/yellow.mustache)\n         * @param {Object} context - Could be array, string or simple value for the context of the template.\n         * @param {string} themeName - Name of the current theme.\n         * @return {Promise} JQuery promise object resolved when the template has been rendered.\n         */\n        renderForPromise: function(templateName, context, themeName) {\n            var renderer = new Renderer();\n            return renderer.render(templateName, context, themeName)\n            .then(function(html, js) {\n                return {\n                    html: html,\n                    js: js,\n                };\n            });\n        },\n\n        /**\n         * Every call to renderIcon creates a new instance of the class and calls renderIcon on it. This\n         * means each render call has it's own class variables.\n         *\n         * @method renderIcon\n         * @public\n         * @param {string} key - Icon key.\n         * @param {string} component - Icon component\n         * @param {string} title - Icon title\n         * @return {Promise} JQuery promise object resolved when the pix has been rendered.\n         */\n        renderPix: function(key, component, title) {\n            var renderer = new Renderer();\n            return renderer.renderIcon(\n                key,\n                getNormalisedComponent(component),\n                title\n            );\n        },\n\n        /**\n         * Execute a block of JS returned from a template.\n         * Call this AFTER adding the template HTML into the DOM so the nodes can be found.\n         *\n         * @method runTemplateJS\n         * @param {string} source - A block of javascript.\n         */\n        runTemplateJS: runTemplateJS,\n\n        /**\n         * Replace a node in the page with some new HTML and run the JS.\n         *\n         * @method replaceNodeContents\n         * @param {JQuery} element - Element or selector to replace.\n         * @param {String} newHTML - HTML to insert / replace.\n         * @param {String} newJS - Javascript to run after the insertion.\n         * @return {Array} The list of new DOM Nodes\n         */\n        replaceNodeContents: function(element, newHTML, newJS) {\n            return domReplace(element, newHTML, newJS, true);\n        },\n\n        /**\n         * Insert a node in the page with some new HTML and run the JS.\n         *\n         * @method replaceNode\n         * @param {JQuery} element - Element or selector to replace.\n         * @param {String} newHTML - HTML to insert / replace.\n         * @param {String} newJS - Javascript to run after the insertion.\n         * @return {Array} The list of new DOM Nodes\n         */\n        replaceNode: function(element, newHTML, newJS) {\n            return domReplace(element, newHTML, newJS, false);\n        },\n\n        /**\n         * Prepend some HTML to a node and trigger events and fire javascript.\n         *\n         * @method prependNodeContents\n         * @param {jQuery|String} element - Element or selector to prepend HTML to\n         * @param {String} html - HTML to prepend\n         * @param {String} js - Javascript to run after we prepend the html\n         * @return {Array} The list of new DOM Nodes\n         */\n        prependNodeContents: function(element, html, js) {\n            return domPrepend(element, html, js);\n        },\n\n        /**\n         * Append some HTML to a node and trigger events and fire javascript.\n         *\n         * @method appendNodeContents\n         * @param {jQuery|String} element - Element or selector to append HTML to\n         * @param {String} html - HTML to append\n         * @param {String} js - Javascript to run after we append the html\n         * @return {Array} The list of new DOM Nodes\n         */\n        appendNodeContents: function(element, html, js) {\n            return domAppend(element, html, js);\n        },\n    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\ No newline at end of file
diff --git a/lib/amd/build/toast.min.js b/lib/amd/build/toast.min.js
index 5cf22c78684..ba646f27c14 100644
--- a/lib/amd/build/toast.min.js
+++ b/lib/amd/build/toast.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=toast.min.js.map
+define("core/toast",["exports","core/templates","core/notification","core/pending"],(function(_exports,_templates,_notification,_pending){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}function _asyncToGenerator(fn){return function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.addToastRegion=_exports.add=void 0,_templates=_interopRequireDefault(_templates),_notification=_interopRequireDefault(_notification),_pending=_interopRequireDefault(_pending);var _ref,addToastRegion=(_ref=_asyncToGenerator(regeneratorRuntime.mark((function _callee(parent){var pendingPromise,_yield$Templates$rend,html,js;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:return pendingPromise=new _pending.default("addToastRegion"),_context.prev=1,_context.next=4,_templates.default.renderForPromise("core/local/toast/wrapper",{});case 4:_yield$Templates$rend=_context.sent,html=_yield$Templates$rend.html,js=_yield$Templates$rend.js,_templates.default.prependNodeContents(parent,html,js),_context.next=13;break;case 10:_context.prev=10,_context.t0=_context.catch(1),_notification.default.exception(_context.t0);case 13:pendingPromise.resolve();case 14:case"end":return _context.stop()}}),_callee,null,[[1,10]])}))),function(_x){return _ref.apply(this,arguments)});_exports.addToastRegion=addToastRegion;var _ref2,add=(_ref2=_asyncToGenerator(regeneratorRuntime.mark((function _callee2(message,configuration){var pendingPromise,templateName,targetNode,_yield$Templates$rend2,html,js;return regeneratorRuntime.wrap((function(_context2){for(;;)switch(_context2.prev=_context2.next){case 0:return pendingPromise=new _pending.default("addToastRegion"),configuration=_objectSpread({closeButton:!1,autohide:!0,delay:4e3},configuration),templateName="core/local/toast/message",_context2.prev=3,_context2.next=6,getTargetNode();case 6:return targetNode=_context2.sent,_context2.next=9,_templates.default.renderForPromise(templateName,_objectSpread({message:message},configuration));case 9:_yield$Templates$rend2=_context2.sent,html=_yield$Templates$rend2.html,js=_yield$Templates$rend2.js,_templates.default.prependNodeContents(targetNode,html,js),_context2.next=18;break;case 15:_context2.prev=15,_context2.t0=_context2.catch(3),_notification.default.exception(_context2.t0);case 18:pendingPromise.resolve();case 19:case"end":return _context2.stop()}}),_callee2,null,[[3,15]])}))),function(_x2,_x3){return _ref2.apply(this,arguments)});_exports.add=add;var _ref3,getTargetNode=(_ref3=_asyncToGenerator(regeneratorRuntime.mark((function _callee3(){var regions;return regeneratorRuntime.wrap((function(_context3){for(;;)switch(_context3.prev=_context3.next){case 0:if(!(regions=document.querySelectorAll(".toast-wrapper")).length){_context3.next=3;break}return _context3.abrupt("return",regions[regions.length-1]);case 3:return _context3.next=5,addToastRegion(document.body,"fixed-bottom");case 5:return _context3.abrupt("return",getTargetNode());case 6:case"end":return _context3.stop()}}),_callee3)}))),function(){return _ref3.apply(this,arguments)})}));
+
+//# sourceMappingURL=toast.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/toast.min.js.map b/lib/amd/build/toast.min.js.map
index 22192a01ab0..259b18cbb39 100644
--- a/lib/amd/build/toast.min.js.map
+++ b/lib/amd/build/toast.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/toast.js"],"names":["addToastRegion","parent","pendingPromise","Pending","Templates","renderForPromise","html","js","prependNodeContents","Notification","exception","resolve","add","message","configuration","closeButton","autohide","delay","templateName","getTargetNode","targetNode","regions","document","querySelectorAll","length","body"],"mappings":"mMAuBA,OACA,OACA,O,0iCAOO,GAAMA,CAAAA,CAAc,4CAAG,WAAMC,CAAN,+FACpBC,CADoB,CACH,GAAIC,UAAJ,CAAY,gBAAZ,CADG,yBAIGC,WAAUC,gBAAV,CAA2B,0BAA3B,CAAuD,EAAvD,CAJH,iBAIfC,CAJe,GAIfA,IAJe,CAITC,CAJS,GAITA,EAJS,CAKtBH,UAAUI,mBAAV,CAA8BP,CAA9B,CAAsCK,CAAtC,CAA4CC,CAA5C,EALsB,qDAOtBE,UAAaC,SAAb,OAPsB,QAU1BR,CAAc,CAACS,OAAf,GAV0B,uDAAH,uDAApB,C,mBAuBA,GAAMC,CAAAA,CAAG,4CAAG,WAAMC,CAAN,CAAeC,CAAf,mGACTZ,CADS,CACQ,GAAIC,UAAJ,CAAY,gBAAZ,CADR,CAEfW,CAAa,IACTC,WAAW,GADF,CAETC,QAAQ,GAFC,CAGTC,KAAK,CAAE,GAHE,EAINH,CAJM,CAAb,CAOMI,CATS,oDAWcC,CAAAA,CAAa,EAX3B,QAWLC,CAXK,uBAYchB,WAAUC,gBAAV,CAA2Ba,CAA3B,IACrBL,OAAO,CAAPA,CADqB,EAElBC,CAFkB,EAZd,iBAYJR,CAZI,GAYJA,IAZI,CAYEC,CAZF,GAYEA,EAZF,CAgBXH,UAAUI,mBAAV,CAA8BY,CAA9B,CAA0Cd,CAA1C,CAAgDC,CAAhD,EAhBW,qDAkBXE,UAAaC,SAAb,OAlBW,QAqBfR,CAAc,CAACS,OAAf,GArBe,uDAAH,uDAAT,C,QAwBP,GAAMQ,CAAAA,CAAa,4CAAG,oGACZE,CADY,CACFC,QAAQ,CAACC,gBAAT,CAA0B,gBAA1B,CADE,KAGdF,CAAO,CAACG,MAHM,0CAIPH,CAAO,CAACA,CAAO,CAACG,MAAR,CAAiB,CAAlB,CAJA,wBAOZxB,CAAAA,CAAc,CAACsB,QAAQ,CAACG,IAAV,CAAgB,cAAhB,CAPF,iCAQXN,CAAa,EARF,0CAAH,uD","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A system for displaying small snackbar notifications to users which disappear shortly after they are shown.\n *\n * @module     core/toast\n * @package    core\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Templates from 'core/templates';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\n\n/**\n * Add a new region to place toasts in, taking in a parent element.\n *\n * @param {Element} parent\n */\nexport const addToastRegion = async(parent) => {\n    const pendingPromise = new Pending('addToastRegion');\n\n    try {\n        const {html, js} = await Templates.renderForPromise('core/local/toast/wrapper', {});\n        Templates.prependNodeContents(parent, html, js);\n    } catch (e) {\n        Notification.exception(e);\n    }\n\n    pendingPromise.resolve();\n};\n\n/**\n * Add a new toast or snackbar notification to the page.\n *\n * @param {String} message\n * @param {Object} configuration\n * @param {String} [configuration.title]\n * @param {String} [configuration.subtitle]\n * @param {Bool} [configuration.autohide=true]\n * @param {Number} [configuration.delay=4000]\n */\nexport const add = async(message, configuration) => {\n    const pendingPromise = new Pending('addToastRegion');\n    configuration = {\n        closeButton: false,\n        autohide: true,\n        delay: 4000,\n        ...configuration,\n    };\n\n    const templateName = `core/local/toast/message`;\n    try {\n        const targetNode = await getTargetNode();\n        const {html, js} = await Templates.renderForPromise(templateName, {\n            message,\n            ...configuration\n        });\n        Templates.prependNodeContents(targetNode, html, js);\n    } catch (e) {\n        Notification.exception(e);\n    }\n\n    pendingPromise.resolve();\n};\n\nconst getTargetNode = async() => {\n    const regions = document.querySelectorAll('.toast-wrapper');\n\n    if (regions.length) {\n        return regions[regions.length - 1];\n    }\n\n    await addToastRegion(document.body, 'fixed-bottom');\n    return getTargetNode();\n};\n"],"file":"toast.min.js"}
\ No newline at end of file
+{"version":3,"file":"toast.min.js","sources":["../src/toast.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A system for displaying small snackbar notifications to users which disappear shortly after they are shown.\n *\n * @module     core/toast\n * @package    core\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Templates from 'core/templates';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\n\n/**\n * Add a new region to place toasts in, taking in a parent element.\n *\n * @param {Element} parent\n */\nexport const addToastRegion = async(parent) => {\n    const pendingPromise = new Pending('addToastRegion');\n\n    try {\n        const {html, js} = await Templates.renderForPromise('core/local/toast/wrapper', {});\n        Templates.prependNodeContents(parent, html, js);\n    } catch (e) {\n        Notification.exception(e);\n    }\n\n    pendingPromise.resolve();\n};\n\n/**\n * Add a new toast or snackbar notification to the page.\n *\n * @param {String} message\n * @param {Object} configuration\n * @param {String} [configuration.title]\n * @param {String} [configuration.subtitle]\n * @param {Bool} [configuration.autohide=true]\n * @param {Number} [configuration.delay=4000]\n */\nexport const add = async(message, configuration) => {\n    const pendingPromise = new Pending('addToastRegion');\n    configuration = {\n        closeButton: false,\n        autohide: true,\n        delay: 4000,\n        ...configuration,\n    };\n\n    const templateName = `core/local/toast/message`;\n    try {\n        const targetNode = await getTargetNode();\n        const {html, js} = await Templates.renderForPromise(templateName, {\n            message,\n            ...configuration\n        });\n        Templates.prependNodeContents(targetNode, html, js);\n    } catch (e) {\n        Notification.exception(e);\n    }\n\n    pendingPromise.resolve();\n};\n\nconst getTargetNode = async() => {\n    const regions = document.querySelectorAll('.toast-wrapper');\n\n    if (regions.length) {\n        return regions[regions.length - 1];\n    }\n\n    await addToastRegion(document.body, 'fixed-bottom');\n    return getTargetNode();\n};\n"],"names":["addToastRegion","parent","pendingPromise","Pending","Templates","renderForPromise","html","js","prependNodeContents","exception","resolve","add","message","configuration","closeButton","autohide","delay","templateName","getTargetNode","targetNode","regions","document","querySelectorAll","length","body"],"mappings":"66DAgCaA,gEAAiB,iBAAMC,qKAC1BC,eAAiB,IAAIC,iBAAQ,kDAGNC,mBAAUC,iBAAiB,2BAA4B,+CAAzEC,2BAAAA,KAAMC,yBAAAA,sBACHC,oBAAoBP,OAAQK,KAAMC,wGAE/BE,+BAGjBP,eAAeQ,mLAaNC,sDAAM,kBAAMC,QAASC,wMACxBX,eAAiB,IAAIC,iBAAQ,kBACnCU,6BACIC,aAAa,EACbC,UAAU,EACVC,MAAO,KACJH,eAGDI,0EAEuBC,8BAAnBC,2CACmBf,mBAAUC,iBAAiBY,4BAChDL,QAAAA,SACGC,6DAFAP,4BAAAA,KAAMC,0BAAAA,sBAIHC,oBAAoBW,WAAYb,KAAMC,4GAEnCE,gCAGjBP,eAAeQ,qKAGbQ,gEAAgB,6IACZE,QAAUC,SAASC,iBAAiB,mBAE9BC,gEACDH,QAAQA,QAAQG,OAAS,mCAG9BvB,eAAeqB,SAASG,KAAM,wDAC7BN"}
\ No newline at end of file
diff --git a/lib/amd/build/tooltip.min.js b/lib/amd/build/tooltip.min.js
index 2771c34a3f5..8a31c9f675e 100644
--- a/lib/amd/build/tooltip.min.js
+++ b/lib/amd/build/tooltip.min.js
@@ -1,2 +1,3 @@
-define ("core/tooltip",["jquery"],function(a){var b=function(b){this._regionSelector=b;a(this._regionSelector).each(function(b,c){var d=a(c).attr("aria-describedby");if(d){var e=document.getElementById(d);if(e){var f="tooltip"==a(e).attr("role");if(f){a(e).hide();a(c).attr("tabindex","0")}a(c).on("focus",this._handleFocus.bind(this));a(c).on("mouseover",this._handleMouseOver.bind(this));a(c).on("mouseout",this._handleMouseOut.bind(this));a(c).on("blur",this._handleBlur.bind(this));a(c).on("keydown",this._handleKeyDown.bind(this))}}}.bind(this))};b.prototype._regionSelector=null;b.prototype._showTooltip=function(b){var c=a(b.target),d=c.attr("aria-describedby");if(d){var e=a(document.getElementById(d));e.show();e.attr("aria-hidden","false");if(!e.is(".tooltip")){var f=a("<div class=\"tooltip-inner\"></div>");f.append(e.contents());e.append(f);e.addClass("tooltip");e.addClass("bottom");e.append("<div class=\"tooltip-arrow\"></div>")}var g=c.offset();g.top+=c.height()+10;a(e).offset(g)}};b.prototype._hideTooltip=function(b){var c=a(b.target),d=c.attr("aria-describedby");if(d){var e=document.getElementById(d);a(e).hide();a(e).attr("aria-hidden","true")}};b.prototype._handleFocus=function(a){this._showTooltip(a)};b.prototype._handleKeyDown=function(a){if(27==a.which){this._hideTooltip(a)}};b.prototype._handleMouseOver=function(a){this._showTooltip(a)};b.prototype._handleMouseOut=function(b){var c=a(b.target);if(!c.is(":focus")){this._hideTooltip(b)}};b.prototype._handleBlur=function(a){this._hideTooltip(a)};return b});
-//# sourceMappingURL=tooltip.min.js.map
+define("core/tooltip",["jquery"],(function($){var Tooltip=function(selector){this._regionSelector=selector,$(this._regionSelector).each(function(index,element){var tooltipId=$(element).attr("aria-describedby");if(tooltipId){var tooltipele=document.getElementById(tooltipId);if(tooltipele)"tooltip"==$(tooltipele).attr("role")&&($(tooltipele).hide(),$(element).attr("tabindex","0")),$(element).on("focus",this._handleFocus.bind(this)),$(element).on("mouseover",this._handleMouseOver.bind(this)),$(element).on("mouseout",this._handleMouseOut.bind(this)),$(element).on("blur",this._handleBlur.bind(this)),$(element).on("keydown",this._handleKeyDown.bind(this))}}.bind(this))};return Tooltip.prototype._regionSelector=null,Tooltip.prototype._showTooltip=function(e){var triggerElement=$(e.target),tooltipId=triggerElement.attr("aria-describedby");if(tooltipId){var tooltipele=$(document.getElementById(tooltipId));if(tooltipele.show(),tooltipele.attr("aria-hidden","false"),!tooltipele.is(".tooltip")){var inner=$('<div class="tooltip-inner"></div>');inner.append(tooltipele.contents()),tooltipele.append(inner),tooltipele.addClass("tooltip"),tooltipele.addClass("bottom"),tooltipele.append('<div class="tooltip-arrow"></div>')}var pos=triggerElement.offset();pos.top+=triggerElement.height()+10,$(tooltipele).offset(pos)}},Tooltip.prototype._hideTooltip=function(e){var tooltipId=$(e.target).attr("aria-describedby");if(tooltipId){var tooltipele=document.getElementById(tooltipId);$(tooltipele).hide(),$(tooltipele).attr("aria-hidden","true")}},Tooltip.prototype._handleFocus=function(e){this._showTooltip(e)},Tooltip.prototype._handleKeyDown=function(e){27==e.which&&this._hideTooltip(e)},Tooltip.prototype._handleMouseOver=function(e){this._showTooltip(e)},Tooltip.prototype._handleMouseOut=function(e){$(e.target).is(":focus")||this._hideTooltip(e)},Tooltip.prototype._handleBlur=function(e){this._hideTooltip(e)},Tooltip}));
+
+//# sourceMappingURL=tooltip.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/tooltip.min.js.map b/lib/amd/build/tooltip.min.js.map
index 43e02fb2a50..cdc1b47bf3d 100644
--- a/lib/amd/build/tooltip.min.js.map
+++ b/lib/amd/build/tooltip.min.js.map
@@ -1 +1 @@
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find an aria-describedby attribute pointing to an role=\"tooltip\" element.\n\n        $(this._regionSelector).each(function(index, element) {\n            var tooltipId = $(element).attr('aria-describedby');\n            if (tooltipId) {\n                var tooltipele = document.getElementById(tooltipId);\n                if (tooltipele) {\n                    var correctRole = $(tooltipele).attr('role') == 'tooltip';\n\n                    if (correctRole) {\n                        $(tooltipele).hide();\n                        // Ensure the trigger for the tooltip is keyboard focusable.\n                        $(element).attr('tabindex', '0');\n                    }\n\n                    // Attach listeners.\n                    $(element).on('focus', this._handleFocus.bind(this));\n                    $(element).on('mouseover', this._handleMouseOver.bind(this));\n                    $(element).on('mouseout', this._handleMouseOut.bind(this));\n                    $(element).on('blur', this._handleBlur.bind(this));\n                    $(element).on('keydown', this._handleKeyDown.bind(this));\n                }\n            }\n        }.bind(this));\n    };\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    Tooltip.prototype._regionSelector = null;\n\n    /**\n     * Find the tooltip referred to by this element and show it.\n     *\n     * @param {Event} e\n     */\n    Tooltip.prototype._showTooltip = function(e) {\n        var triggerElement = $(e.target);\n        var tooltipId = triggerElement.attr('aria-describedby');\n        if (tooltipId) {\n            var tooltipele = $(document.getElementById(tooltipId));\n\n            tooltipele.show();\n            tooltipele.attr('aria-hidden', 'false');\n\n            if (!tooltipele.is('.tooltip')) {\n                // Change the markup to a bootstrap tooltip.\n                var inner = $('<div class=\"tooltip-inner\"></div>');\n                inner.append(tooltipele.contents());\n                tooltipele.append(inner);\n                tooltipele.addClass('tooltip');\n                tooltipele.addClass('bottom');\n                tooltipele.append('<div class=\"tooltip-arrow\"></div>');\n            }\n            var pos = triggerElement.offset();\n            pos.top += triggerElement.height() + 10;\n            $(tooltipele).offset(pos);\n        }\n    };\n\n    /**\n     * Find the tooltip referred to by this element and hide it.\n     *\n     * @param {Event} e\n     */\n    Tooltip.prototype._hideTooltip = function(e) {\n        var triggerElement = $(e.target);\n        var tooltipId = triggerElement.attr('aria-describedby');\n        if (tooltipId) {\n            var tooltipele = document.getElementById(tooltipId);\n\n            $(tooltipele).hide();\n            $(tooltipele).attr('aria-hidden', 'true');\n        }\n    };\n\n    /**\n     * Listener for focus events.\n     * @param {Event} e\n     */\n    Tooltip.prototype._handleFocus = function(e) {\n        this._showTooltip(e);\n    };\n\n    /**\n     * Listener for keydown events.\n     * @param {Event} e\n     */\n    Tooltip.prototype._handleKeyDown = function(e) {\n        if (e.which == 27) {\n            this._hideTooltip(e);\n        }\n    };\n\n    /**\n     * Listener for mouseover events.\n     * @param {Event} e\n     */\n    Tooltip.prototype._handleMouseOver = function(e) {\n        this._showTooltip(e);\n    };\n\n    /**\n     * Listener for mouseout events.\n     * @param {Event} e\n     */\n    Tooltip.prototype._handleMouseOut = function(e) {\n        var triggerElement = $(e.target);\n\n        if (!triggerElement.is(\":focus\")) {\n            this._hideTooltip(e);\n        }\n    };\n\n    /**\n     * Listener for blur events.\n     * @param {Event} e\n     */\n    Tooltip.prototype._handleBlur = function(e) {\n        this._hideTooltip(e);\n    };\n\n    return Tooltip;\n});\n"],"file":"tooltip.min.js"}
\ No newline at end of file
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$(e.target);\n        var tooltipId = triggerElement.attr('aria-describedby');\n        if (tooltipId) {\n            var tooltipele = $(document.getElementById(tooltipId));\n\n            tooltipele.show();\n            tooltipele.attr('aria-hidden', 'false');\n\n            if (!tooltipele.is('.tooltip')) {\n                // Change the markup to a bootstrap tooltip.\n                var inner = $('<div class=\"tooltip-inner\"></div>');\n                inner.append(tooltipele.contents());\n                tooltipele.append(inner);\n                tooltipele.addClass('tooltip');\n                tooltipele.addClass('bottom');\n                tooltipele.append('<div class=\"tooltip-arrow\"></div>');\n            }\n            var pos = triggerElement.offset();\n            pos.top += triggerElement.height() + 10;\n            $(tooltipele).offset(pos);\n        }\n    };\n\n    /**\n     * Find the tooltip referred to by this element and hide it.\n     *\n     * @param {Event} e\n     */\n    Tooltip.prototype._hideTooltip = function(e) {\n        var triggerElement = $(e.target);\n        var tooltipId = triggerElement.attr('aria-describedby');\n        if (tooltipId) {\n            var tooltipele = document.getElementById(tooltipId);\n\n            $(tooltipele).hide();\n            $(tooltipele).attr('aria-hidden', 'true');\n        }\n    };\n\n    /**\n     * Listener for focus events.\n     * @param {Event} e\n     */\n    Tooltip.prototype._handleFocus = function(e) {\n        this._showTooltip(e);\n    };\n\n    /**\n     * Listener for keydown events.\n     * @param {Event} e\n     */\n    Tooltip.prototype._handleKeyDown = function(e) {\n        if (e.which == 27) {\n            this._hideTooltip(e);\n        }\n    };\n\n    /**\n     * Listener for mouseover events.\n     * @param {Event} e\n     */\n    Tooltip.prototype._handleMouseOver = function(e) {\n        this._showTooltip(e);\n    };\n\n    /**\n     * Listener for mouseout events.\n     * 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Tooltip;\n});\n"],"names":["define","$","Tooltip","selector","_regionSelector","this","each","index","element","tooltipId","attr","tooltipele","document","getElementById","hide","on","_handleFocus","bind","_handleMouseOver","_handleMouseOut","_handleBlur","_handleKeyDown","prototype","_showTooltip","e","triggerElement","target","show","is","inner","append","contents","addClass","pos","offset","top","height","_hideTooltip","which"],"mappings":"AAAAA,sBAAO,CAAC,WAAW,SAASC,OAOpBC,QAAU,SAASC,eAEdC,gBAAkBD,SAIvBF,EAAEI,KAAKD,iBAAiBE,KAAK,SAASC,MAAOC,aACrCC,UAAYR,EAAEO,SAASE,KAAK,uBAC5BD,UAAW,KACPE,WAAaC,SAASC,eAAeJ,cACrCE,WACgD,WAA9BV,EAAEU,YAAYD,KAAK,UAGjCT,EAAEU,YAAYG,OAEdb,EAAEO,SAASE,KAAK,WAAY,MAIhCT,EAAEO,SAASO,GAAG,QAASV,KAAKW,aAAaC,KAAKZ,OAC9CJ,EAAEO,SAASO,GAAG,YAAaV,KAAKa,iBAAiBD,KAAKZ,OACtDJ,EAAEO,SAASO,GAAG,WAAYV,KAAKc,gBAAgBF,KAAKZ,OACpDJ,EAAEO,SAASO,GAAG,OAAQV,KAAKe,YAAYH,KAAKZ,OAC5CJ,EAAEO,SAASO,GAAG,UAAWV,KAAKgB,eAAeJ,KAAKZ,SAG5DY,KAAKZ,eAIXH,QAAQoB,UAAUlB,gBAAkB,KAOpCF,QAAQoB,UAAUC,aAAe,SAASC,OAClCC,eAAiBxB,EAAEuB,EAAEE,QACrBjB,UAAYgB,eAAef,KAAK,uBAChCD,UAAW,KACPE,WAAaV,EAAEW,SAASC,eAAeJ,eAE3CE,WAAWgB,OACXhB,WAAWD,KAAK,cAAe,UAE1BC,WAAWiB,GAAG,YAAa,KAExBC,MAAQ5B,EAAE,qCACd4B,MAAMC,OAAOnB,WAAWoB,YACxBpB,WAAWmB,OAAOD,OAClBlB,WAAWqB,SAAS,WACpBrB,WAAWqB,SAAS,UACpBrB,WAAWmB,OAAO,yCAElBG,IAAMR,eAAeS,SACzBD,IAAIE,KAAOV,eAAeW,SAAW,GACrCnC,EAAEU,YAAYuB,OAAOD,OAS7B/B,QAAQoB,UAAUe,aAAe,SAASb,OAElCf,UADiBR,EAAEuB,EAAEE,QACMhB,KAAK,uBAChCD,UAAW,KACPE,WAAaC,SAASC,eAAeJ,WAEzCR,EAAEU,YAAYG,OACdb,EAAEU,YAAYD,KAAK,cAAe,UAQ1CR,QAAQoB,UAAUN,aAAe,SAASQ,QACjCD,aAAaC,IAOtBtB,QAAQoB,UAAUD,eAAiB,SAASG,GACzB,IAAXA,EAAEc,YACGD,aAAab,IAQ1BtB,QAAQoB,UAAUJ,iBAAmB,SAASM,QACrCD,aAAaC,IAOtBtB,QAAQoB,UAAUH,gBAAkB,SAASK,GACpBvB,EAAEuB,EAAEE,QAELE,GAAG,gBACdS,aAAab,IAQ1BtB,QAAQoB,UAAUF,YAAc,SAASI,QAChCa,aAAab,IAGftB"}
\ No newline at end of file
diff --git a/lib/amd/build/tree.min.js b/lib/amd/build/tree.min.js
index 295ca56702b..09a2dd0d314 100644
--- a/lib/amd/build/tree.min.js
+++ b/lib/amd/build/tree.min.js
@@ -1,2 +1,12 @@
-define ("core/tree",["jquery"],function(a){var b={ITEM:"[role=treeitem]",GROUP:"[role=treeitem]:has([role=group]), [role=treeitem][aria-owns], [role=treeitem][data-requires-ajax=true]",CLOSED_GROUP:"[role=treeitem]:has([role=group])[aria-expanded=false], [role=treeitem][aria-owns][aria-expanded=false], [role=treeitem][data-requires-ajax=true][aria-expanded=false]",FIRST_ITEM:"[role=treeitem]:first",VISIBLE_ITEM:"[role=treeitem]:visible",UNLOADED_AJAX_ITEM:"[role=treeitem][data-requires-ajax=true][data-loaded=false][aria-expanded=true]"},c=function(c,d){this.treeRoot=a(c);this.treeRoot.data("activeItem",null);this.selectCallback=d;this.keys={tab:9,enter:13,space:32,pageup:33,pagedown:34,end:35,home:36,left:37,up:38,right:39,down:40,asterisk:106};this.initialiseNodes(this.treeRoot);this.setActiveItem(this.treeRoot.find(b.FIRST_ITEM));this.refreshVisibleItemsCache();this.bindEventHandlers()};c.prototype.registerEnterCallback=function(a){this.enterCallback=a};c.prototype.refreshVisibleItemsCache=function(){this.treeRoot.data("visibleItems",this.treeRoot.find(b.VISIBLE_ITEM))};c.prototype.getVisibleItems=function(){return this.treeRoot.data("visibleItems")};c.prototype.setActiveItem=function(a){var b=this.treeRoot.data("activeItem");if(a===b){return}if(b){b.attr("tabindex","-1");b.attr("aria-selected","false")}a.attr("tabindex","0");a.attr("aria-selected","true");this.treeRoot.data("activeItem",a);if("function"==typeof this.selectCallback){this.selectCallback(a)}};c.prototype.isGroupItem=function(a){return a.is(b.GROUP)};c.prototype.getGroupFromItem=function(a){var b=this.treeRoot.find("#"+a.attr("aria-owns")),c=a.children("[role=group]");if(b.length>c.length){return b}else{return c}};c.prototype.isGroupCollapsed=function(a){return"false"===a.attr("aria-expanded")};c.prototype.isGroupCollapsible=function(a){return"false"!==a.attr("data-collapsible")};c.prototype.initialiseNodes=function(c){this.removeAllFromTabOrder(c);this.setAriaSelectedFalseOnItems(c);var d=this;c.find(b.UNLOADED_AJAX_ITEM).each(function(){var b=a(this);d.collapseGroup(b);d.expandGroup(b)})};c.prototype.removeAllFromTabOrder=function(b){b.find("*").attr("tabindex","-1");this.getGroupFromItem(a(b)).find("*").attr("tabindex","-1")};c.prototype.setAriaSelectedFalseOnItems=function(a){a.find(b.ITEM).attr("aria-selected","false")};c.prototype.expandAllGroups=function(){var c=this;this.treeRoot.find(b.CLOSED_GROUP).each(function(){var b=a(this);c.expandGroup(a(this)).done(function(){c.expandAllChildGroups(b)})})};c.prototype.expandAllChildGroups=function(c){var d=this;this.getGroupFromItem(c).find(b.CLOSED_GROUP).each(function(){var b=a(this);d.expandGroup(a(this)).done(function(){d.expandAllChildGroups(b)})})};c.prototype.expandGroup=function(b){var c=a.Deferred();if("false"!==b.attr("data-expandable")&&this.isGroupCollapsed(b)){if("true"===b.attr("data-requires-ajax")&&"true"!==b.attr("data-loaded")){b.attr("data-loaded",!1);var d=b.closest("[data-ajax-loader]").attr("data-ajax-loader"),e=this;b.addClass("loading");require([d],function(a){a.load(b).done(function(){b.attr("data-loaded",!0);e.initialiseNodes(b);e.finishExpandingGroup(b);b.removeClass("loading");c.resolve()})})}else{this.finishExpandingGroup(b);c.resolve()}}else{c.resolve()}return c};c.prototype.finishExpandingGroup=function(a){var b=this.getGroupFromItem(a);b.attr("aria-hidden","false");a.attr("aria-expanded","true");this.refreshVisibleItemsCache()};c.prototype.collapseGroup=function(a){if(!this.isGroupCollapsible(a)||this.isGroupCollapsed(a)){return}var b=this.getGroupFromItem(a);b.attr("aria-hidden","true");a.attr("aria-expanded","false");this.refreshVisibleItemsCache()};c.prototype.toggleGroup=function(a){if("true"===a.attr("aria-expanded")){this.collapseGroup(a)}else{this.expandGroup(a)}};c.prototype.handleKeyDown=function(c,d){var e=this.getVisibleItems().index(c);if(d.altKey||d.ctrlKey||d.metaKey||d.shiftKey&&d.keyCode!=this.keys.tab){return!0}switch(d.keyCode){case this.keys.home:{this.getVisibleItems().first().focus();d.stopPropagation();return!1}case this.keys.end:{this.getVisibleItems().last().focus();d.stopPropagation();return!1}case this.keys.enter:{var f=c.children("a").length?c.children("a"):c.children().not(b.GROUP).find("a");if(f.length){if("function"==typeof this.enterCallback){this.enterCallback(c)}else{window.location.href=f.first().attr("href")}}else if(this.isGroupItem(c)){this.toggleGroup(c,!0)}d.stopPropagation();return!1}case this.keys.space:{if(this.isGroupItem(c)){this.toggleGroup(c,!0)}d.stopPropagation();return!1}case this.keys.left:{var g=function(b){b.getVisibleItems().filter(function(){return b.getGroupFromItem(a(this)).has(c).length}).focus()};if(this.isGroupItem(c)){if(this.isGroupCollapsed(c)){g(this)}else{this.collapseGroup(c)}}else{g(this)}d.stopPropagation();return!1}case this.keys.right:{if(this.isGroupItem(c)){if(this.isGroupCollapsed(c)){this.expandGroup(c)}else{this.getGroupFromItem(c).find(b.ITEM).first().focus()}}d.stopPropagation();return!1}case this.keys.up:{if(0<e){var h=this.getVisibleItems().eq(e-1);h.focus()}d.stopPropagation();return!1}case this.keys.down:{if(e<this.getVisibleItems().length-1){var i=this.getVisibleItems().eq(e+1);i.focus()}d.stopPropagation();return!1}case this.keys.asterisk:{this.expandAllGroups();d.stopPropagation();return!1}}return!0};c.prototype.handleClick=function(a,b){if(b.altKey||b.ctrlKey||b.shiftKey||b.metaKey){return!0}a.focus();if(this.isGroupItem(a)){this.toggleGroup(a)}b.stopPropagation();return!0};c.prototype.handleFocus=function(a,b){this.setActiveItem(a);b.stopPropagation();return!0};c.prototype.bindEventHandlers=function(){var c=this;this.treeRoot.on({click:function click(b){return c.handleClick(a(this),b)},keydown:function keydown(b){return c.handleKeyDown(a(this),b)},focus:function focus(b){return c.handleFocus(a(this),b)}},b.ITEM)};return c});
-//# sourceMappingURL=tree.min.js.map
+/**
+ * Implement an accessible aria tree widget, from a nested unordered list.
+ * Based on http://oaa-accessibility.org/example/41/.
+ *
+ * @module     tool_lp/tree
+ * @package    core
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/tree",["jquery"],(function($){var SELECTORS_ITEM="[role=treeitem]",SELECTORS_GROUP="[role=treeitem]:has([role=group]), [role=treeitem][aria-owns], [role=treeitem][data-requires-ajax=true]",SELECTORS_CLOSED_GROUP="[role=treeitem]:has([role=group])[aria-expanded=false], [role=treeitem][aria-owns][aria-expanded=false], [role=treeitem][data-requires-ajax=true][aria-expanded=false]",SELECTORS_FIRST_ITEM="[role=treeitem]:first",SELECTORS_VISIBLE_ITEM="[role=treeitem]:visible",SELECTORS_UNLOADED_AJAX_ITEM="[role=treeitem][data-requires-ajax=true][data-loaded=false][aria-expanded=true]",Tree=function(selector,selectCallback){this.treeRoot=$(selector),this.treeRoot.data("activeItem",null),this.selectCallback=selectCallback,this.keys={tab:9,enter:13,space:32,pageup:33,pagedown:34,end:35,home:36,left:37,up:38,right:39,down:40,asterisk:106},this.initialiseNodes(this.treeRoot),this.setActiveItem(this.treeRoot.find(SELECTORS_FIRST_ITEM)),this.refreshVisibleItemsCache(),this.bindEventHandlers()};return Tree.prototype.registerEnterCallback=function(callback){this.enterCallback=callback},Tree.prototype.refreshVisibleItemsCache=function(){this.treeRoot.data("visibleItems",this.treeRoot.find(SELECTORS_VISIBLE_ITEM))},Tree.prototype.getVisibleItems=function(){return this.treeRoot.data("visibleItems")},Tree.prototype.setActiveItem=function(item){var currentActive=this.treeRoot.data("activeItem");item!==currentActive&&(currentActive&&(currentActive.attr("tabindex","-1"),currentActive.attr("aria-selected","false")),item.attr("tabindex","0"),item.attr("aria-selected","true"),this.treeRoot.data("activeItem",item),"function"==typeof this.selectCallback&&this.selectCallback(item))},Tree.prototype.isGroupItem=function(item){return item.is(SELECTORS_GROUP)},Tree.prototype.getGroupFromItem=function(item){var ariaowns=this.treeRoot.find("#"+item.attr("aria-owns")),plain=item.children("[role=group]");return ariaowns.length>plain.length?ariaowns:plain},Tree.prototype.isGroupCollapsed=function(item){return"false"===item.attr("aria-expanded")},Tree.prototype.isGroupCollapsible=function(item){return"false"!==item.attr("data-collapsible")},Tree.prototype.initialiseNodes=function(node){this.removeAllFromTabOrder(node),this.setAriaSelectedFalseOnItems(node);var thisTree=this;node.find(SELECTORS_UNLOADED_AJAX_ITEM).each((function(){var unloadedNode=$(this);thisTree.collapseGroup(unloadedNode),thisTree.expandGroup(unloadedNode)}))},Tree.prototype.removeAllFromTabOrder=function(node){node.find("*").attr("tabindex","-1"),this.getGroupFromItem($(node)).find("*").attr("tabindex","-1")},Tree.prototype.setAriaSelectedFalseOnItems=function(node){node.find(SELECTORS_ITEM).attr("aria-selected","false")},Tree.prototype.expandAllGroups=function(){var thisTree=this;this.treeRoot.find(SELECTORS_CLOSED_GROUP).each((function(){var groupNode=$(this);thisTree.expandGroup($(this)).done((function(){thisTree.expandAllChildGroups(groupNode)}))}))},Tree.prototype.expandAllChildGroups=function(item){var thisTree=this;this.getGroupFromItem(item).find(SELECTORS_CLOSED_GROUP).each((function(){var groupNode=$(this);thisTree.expandGroup($(this)).done((function(){thisTree.expandAllChildGroups(groupNode)}))}))},Tree.prototype.expandGroup=function(item){var promise=$.Deferred();if("false"!==item.attr("data-expandable")&&this.isGroupCollapsed(item))if("true"===item.attr("data-requires-ajax")&&"true"!==item.attr("data-loaded")){item.attr("data-loaded",!1);var moduleName=item.closest("[data-ajax-loader]").attr("data-ajax-loader"),thisTree=this;item.addClass("loading"),require([moduleName],(function(loader){loader.load(item).done((function(){item.attr("data-loaded",!0),thisTree.initialiseNodes(item),thisTree.finishExpandingGroup(item),item.removeClass("loading"),promise.resolve()}))}))}else this.finishExpandingGroup(item),promise.resolve();else promise.resolve();return promise},Tree.prototype.finishExpandingGroup=function(item){this.getGroupFromItem(item).attr("aria-hidden","false"),item.attr("aria-expanded","true"),this.refreshVisibleItemsCache()},Tree.prototype.collapseGroup=function(item){this.isGroupCollapsible(item)&&!this.isGroupCollapsed(item)&&(this.getGroupFromItem(item).attr("aria-hidden","true"),item.attr("aria-expanded","false"),this.refreshVisibleItemsCache())},Tree.prototype.toggleGroup=function(item){"true"===item.attr("aria-expanded")?this.collapseGroup(item):this.expandGroup(item)},Tree.prototype.handleKeyDown=function(item,e){var currentIndex=this.getVisibleItems().index(item);if(e.altKey||e.ctrlKey||e.metaKey||e.shiftKey&&e.keyCode!=this.keys.tab)return!0;switch(e.keyCode){case this.keys.home:return this.getVisibleItems().first().focus(),e.stopPropagation(),!1;case this.keys.end:return this.getVisibleItems().last().focus(),e.stopPropagation(),!1;case this.keys.enter:var links=item.children("a").length?item.children("a"):item.children().not(SELECTORS_GROUP).find("a");return links.length?"function"==typeof this.enterCallback?this.enterCallback(item):window.location.href=links.first().attr("href"):this.isGroupItem(item)&&this.toggleGroup(item,!0),e.stopPropagation(),!1;case this.keys.space:return this.isGroupItem(item)&&this.toggleGroup(item,!0),e.stopPropagation(),!1;case this.keys.left:var focusParent=function(tree){tree.getVisibleItems().filter((function(){return tree.getGroupFromItem($(this)).has(item).length})).focus()};return this.isGroupItem(item)?this.isGroupCollapsed(item)?focusParent(this):this.collapseGroup(item):focusParent(this),e.stopPropagation(),!1;case this.keys.right:return this.isGroupItem(item)&&(this.isGroupCollapsed(item)?this.expandGroup(item):this.getGroupFromItem(item).find(SELECTORS_ITEM).first().focus()),e.stopPropagation(),!1;case this.keys.up:if(currentIndex>0)this.getVisibleItems().eq(currentIndex-1).focus();return e.stopPropagation(),!1;case this.keys.down:if(currentIndex<this.getVisibleItems().length-1)this.getVisibleItems().eq(currentIndex+1).focus();return e.stopPropagation(),!1;case this.keys.asterisk:return this.expandAllGroups(),e.stopPropagation(),!1}return!0},Tree.prototype.handleClick=function(item,e){return e.altKey||e.ctrlKey||e.shiftKey||e.metaKey||(item.focus(),this.isGroupItem(item)&&this.toggleGroup(item),e.stopPropagation()),!0},Tree.prototype.handleFocus=function(item,e){return this.setActiveItem(item),e.stopPropagation(),!0},Tree.prototype.bindEventHandlers=function(){var thisObj=this;this.treeRoot.on({click:function(e){return thisObj.handleClick($(this),e)},keydown:function(e){return thisObj.handleKeyDown($(this),e)},focus:function(e){return thisObj.handleFocus($(this),e)}},SELECTORS_ITEM)},Tree}));
+
+//# sourceMappingURL=tree.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/tree.min.js.map b/lib/amd/build/tree.min.js.map
index 21b9d890651..9bb61759fd7 100644
--- a/lib/amd/build/tree.min.js.map
+++ b/lib/amd/build/tree.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Implement an accessible aria tree widget, from a nested unordered list.\n * Based on http://oaa-accessibility.org/example/41/.\n *\n * @module     tool_lp/tree\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n    // Private variables and functions.\n    var SELECTORS = {\n        ITEM: '[role=treeitem]',\n        GROUP: '[role=treeitem]:has([role=group]), [role=treeitem][aria-owns], [role=treeitem][data-requires-ajax=true]',\n        CLOSED_GROUP: '[role=treeitem]:has([role=group])[aria-expanded=false], [role=treeitem][aria-owns][aria-expanded=false], ' +\n                 '[role=treeitem][data-requires-ajax=true][aria-expanded=false]',\n        FIRST_ITEM: '[role=treeitem]:first',\n        VISIBLE_ITEM: '[role=treeitem]:visible',\n        UNLOADED_AJAX_ITEM: '[role=treeitem][data-requires-ajax=true][data-loaded=false][aria-expanded=true]'\n    };\n\n    /**\n     * Constructor.\n     *\n     * @param {String} selector\n     * @param {function} selectCallback Called when the active node is changed.\n     */\n    var Tree = function(selector, selectCallback) {\n        this.treeRoot = $(selector);\n\n        this.treeRoot.data('activeItem', null);\n        this.selectCallback = selectCallback;\n        this.keys = {\n            tab:      9,\n            enter:    13,\n            space:    32,\n            pageup:   33,\n            pagedown: 34,\n            end:      35,\n            home:     36,\n            left:     37,\n            up:       38,\n            right:    39,\n            down:     40,\n            asterisk: 106\n        };\n\n        // Apply the standard default initialisation for all nodes, starting with the tree root.\n        this.initialiseNodes(this.treeRoot);\n        // Make the first item the active item for the tree so that it is added to the tab order.\n        this.setActiveItem(this.treeRoot.find(SELECTORS.FIRST_ITEM));\n        // Create the cache of the visible items.\n        this.refreshVisibleItemsCache();\n        // Create the event handlers for the tree.\n        this.bindEventHandlers();\n    };\n\n    Tree.prototype.registerEnterCallback = function(callback) {\n        this.enterCallback = callback;\n    };\n\n    /**\n     * Find all visible tree items and save a cache of them on the tree object.\n     *\n     * @method refreshVisibleItemsCache\n     */\n    Tree.prototype.refreshVisibleItemsCache = function() {\n        this.treeRoot.data('visibleItems', this.treeRoot.find(SELECTORS.VISIBLE_ITEM));\n    };\n\n    /**\n     * Get all visible tree items.\n     *\n     * @method getVisibleItems\n     * @return {Object} visible items\n     */\n    Tree.prototype.getVisibleItems = function() {\n        return this.treeRoot.data('visibleItems');\n    };\n\n    /**\n     * Mark the given item as active within the tree and fire the callback for when the active item is set.\n     *\n     * @method setActiveItem\n     * @param {object} item jquery object representing an item on the tree.\n     */\n    Tree.prototype.setActiveItem = function(item) {\n        var currentActive = this.treeRoot.data('activeItem');\n        if (item === currentActive) {\n            return;\n        }\n\n        // Remove previous active from tab order.\n        if (currentActive) {\n            currentActive.attr('tabindex', '-1');\n            currentActive.attr('aria-selected', 'false');\n        }\n        item.attr('tabindex', '0');\n        item.attr('aria-selected', 'true');\n\n        // Set the new active item.\n        this.treeRoot.data('activeItem', item);\n\n        if (typeof this.selectCallback === 'function') {\n            this.selectCallback(item);\n        }\n    };\n\n    /**\n     * Determines if the given item is a group item (contains child tree items) in the tree.\n     *\n     * @method isGroupItem\n     * @param {object} item jquery object representing an item on the tree.\n     * @returns {bool}\n     */\n    Tree.prototype.isGroupItem = function(item) {\n        return item.is(SELECTORS.GROUP);\n    };\n\n    /**\n     * Determines if the given item is a group item (contains child tree items) in the tree.\n     *\n     * @method isGroupItem\n     * @param {object} item jquery object representing an item on the tree.\n     * @returns {bool}\n     */\n    Tree.prototype.getGroupFromItem = function(item) {\n        var ariaowns = this.treeRoot.find('#' + item.attr('aria-owns'));\n        var plain = item.children('[role=group]');\n        if (ariaowns.length > plain.length) {\n            return ariaowns;\n        } else {\n            return plain;\n        }\n    };\n\n    /**\n     * Determines if the given group item (contains child tree items) is collapsed.\n     *\n     * @method isGroupCollapsed\n     * @param {object} item jquery object representing a group item on the tree.\n     * @returns {bool}\n     */\n    Tree.prototype.isGroupCollapsed = function(item) {\n        return item.attr('aria-expanded') === 'false';\n    };\n\n    /**\n     * Determines if the given group item (contains child tree items) can be collapsed.\n     *\n     * @method isGroupCollapsible\n     * @param {object} item jquery object representing a group item on the tree.\n     * @returns {bool}\n     */\n    Tree.prototype.isGroupCollapsible = function(item) {\n        return item.attr('data-collapsible') !== 'false';\n    };\n\n    /**\n     * Performs the tree initialisation for all child items from the given node,\n     * such as removing everything from the tab order and setting aria selected\n     * on items.\n     *\n     * @method initialiseNodes\n     * @param {object} node jquery object representing a node.\n     */\n    Tree.prototype.initialiseNodes = function(node) {\n        this.removeAllFromTabOrder(node);\n        this.setAriaSelectedFalseOnItems(node);\n\n        // Get all ajax nodes that have been rendered as expanded but haven't loaded the child items yet.\n        var thisTree = this;\n        node.find(SELECTORS.UNLOADED_AJAX_ITEM).each(function() {\n            var unloadedNode = $(this);\n            // Collapse and then expand to trigger the ajax loading.\n            thisTree.collapseGroup(unloadedNode);\n            thisTree.expandGroup(unloadedNode);\n        });\n    };\n\n    /**\n     * Removes all child DOM elements of the given node from the tab order.\n     *\n     * @method removeAllFromTabOrder\n     * @param {object} node jquery object representing a node.\n     */\n    Tree.prototype.removeAllFromTabOrder = function(node) {\n        node.find('*').attr('tabindex', '-1');\n        this.getGroupFromItem($(node)).find('*').attr('tabindex', '-1');\n    };\n\n    /**\n     * Find all child tree items from the given node and set the aria selected attribute to false.\n     *\n     * @method setAriaSelectedFalseOnItems\n     * @param {object} node jquery object representing a node.\n     */\n    Tree.prototype.setAriaSelectedFalseOnItems = function(node) {\n        node.find(SELECTORS.ITEM).attr('aria-selected', 'false');\n    };\n\n    /**\n     * Expand all group nodes within the tree.\n     *\n     * @method expandAllGroups\n     */\n    Tree.prototype.expandAllGroups = function() {\n        var thisTree = this;\n\n        this.treeRoot.find(SELECTORS.CLOSED_GROUP).each(function() {\n            var groupNode = $(this);\n\n            thisTree.expandGroup($(this)).done(function() {\n                thisTree.expandAllChildGroups(groupNode);\n            });\n        });\n    };\n\n    /**\n     * Find all child group nodes from the given node and expand them.\n     *\n     * @method expandAllChildGroups\n     * @param {Object} item is the jquery id of the group.\n     */\n    Tree.prototype.expandAllChildGroups = function(item) {\n        var thisTree = this;\n\n        this.getGroupFromItem(item).find(SELECTORS.CLOSED_GROUP).each(function() {\n            var groupNode = $(this);\n\n            thisTree.expandGroup($(this)).done(function() {\n                thisTree.expandAllChildGroups(groupNode);\n            });\n        });\n    };\n\n    /**\n     * Expand a collapsed group.\n     *\n     * Handles expanding nodes that are ajax loaded (marked with a data-requires-ajax attribute).\n     *\n     * @method expandGroup\n     * @param {Object} item is the jquery id of the parent item of the group.\n     * @return {Object} a promise that is resolved when the group has been expanded.\n     */\n    Tree.prototype.expandGroup = function(item) {\n        var promise = $.Deferred();\n        // Ignore nodes that are explicitly maked as not expandable or are already expanded.\n        if (item.attr('data-expandable') !== 'false' && this.isGroupCollapsed(item)) {\n            // If this node requires ajax load and we haven't already loaded it.\n            if (item.attr('data-requires-ajax') === 'true' && item.attr('data-loaded') !== 'true') {\n                item.attr('data-loaded', false);\n                // Get the closes ajax loading module specificed in the tree.\n                var moduleName = item.closest('[data-ajax-loader]').attr('data-ajax-loader');\n                var thisTree = this;\n                // Flag this node as loading.\n                item.addClass('loading');\n                // Require the ajax module (must be AMD) and try to load the items.\n                require([moduleName], function(loader) {\n                    // All ajax module must implement a \"load\" method.\n                    loader.load(item).done(function() {\n                        item.attr('data-loaded', true);\n\n                        // Set defaults on the newly constructed part of the tree.\n                        thisTree.initialiseNodes(item);\n                        thisTree.finishExpandingGroup(item);\n                        // Make sure no child elements of the item we just loaded are tabbable.\n                        item.removeClass('loading');\n                        promise.resolve();\n                    });\n                });\n            } else {\n                this.finishExpandingGroup(item);\n                promise.resolve();\n            }\n        } else {\n            promise.resolve();\n        }\n        return promise;\n    };\n\n    /**\n     * Perform the necessary DOM changes to display a group item.\n     *\n     * @method finishExpandingGroup\n     * @param {Object} item is the jquery id of the parent item of the group.\n     */\n    Tree.prototype.finishExpandingGroup = function(item) {\n        // Expand the group.\n        var group = this.getGroupFromItem(item);\n        group.attr('aria-hidden', 'false');\n        item.attr('aria-expanded', 'true');\n\n        // Update the list of visible items.\n        this.refreshVisibleItemsCache();\n    };\n\n    /**\n     * Collapse an expanded group.\n     *\n     * @method collapseGroup\n     * @param {Object} item is the jquery id of the parent item of the group.\n     */\n    Tree.prototype.collapseGroup = function(item) {\n        // If the item is not collapsible or already collapsed then do nothing.\n        if (!this.isGroupCollapsible(item) || this.isGroupCollapsed(item)) {\n            return;\n        }\n\n        // Collapse the group.\n        var group = this.getGroupFromItem(item);\n        group.attr('aria-hidden', 'true');\n        item.attr('aria-expanded', 'false');\n\n        // Update the list of visible items.\n        this.refreshVisibleItemsCache();\n    };\n\n    /**\n     * Expand or collapse a group.\n     *\n     * @method toggleGroup\n     * @param {Object} item is the jquery id of the parent item of the group.\n     */\n    Tree.prototype.toggleGroup = function(item) {\n        if (item.attr('aria-expanded') === 'true') {\n            this.collapseGroup(item);\n        } else {\n            this.expandGroup(item);\n        }\n    };\n\n    /**\n     * Handle a key down event - ie navigate the tree.\n     *\n     * @method handleKeyDown\n     * @param {Object} item is the jquery id of the parent item of the group.\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n     // This function should be simplified. In the meantime..\n     // eslint-disable-next-line complexity\n    Tree.prototype.handleKeyDown = function(item, e) {\n        var currentIndex = this.getVisibleItems().index(item);\n\n        if ((e.altKey || e.ctrlKey || e.metaKey) || (e.shiftKey && e.keyCode != this.keys.tab)) {\n            // Do nothing.\n            return true;\n        }\n\n        switch (e.keyCode) {\n            case this.keys.home: {\n                // Jump to first item in tree.\n                this.getVisibleItems().first().focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.end: {\n                // Jump to last visible item.\n                this.getVisibleItems().last().focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.enter: {\n                var links = item.children('a').length ? item.children('a') : item.children().not(SELECTORS.GROUP).find('a');\n                if (links.length) {\n                    // See if we have a callback.\n                    if (typeof this.enterCallback === 'function') {\n                        this.enterCallback(item);\n                    } else {\n                        window.location.href = links.first().attr('href');\n                    }\n                } else if (this.isGroupItem(item)) {\n                    this.toggleGroup(item, true);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.space: {\n                if (this.isGroupItem(item)) {\n                    this.toggleGroup(item, true);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.left: {\n                var focusParent = function(tree) {\n                    // Get the immediate visible parent group item that contains this element.\n                    tree.getVisibleItems().filter(function() {\n                        return tree.getGroupFromItem($(this)).has(item).length;\n                    }).focus();\n                };\n\n                // If this is a goup item then collapse it and focus the parent group\n                // in accordance with the aria spec.\n                if (this.isGroupItem(item)) {\n                    if (this.isGroupCollapsed(item)) {\n                        focusParent(this);\n                    } else {\n                        this.collapseGroup(item);\n                    }\n                } else {\n                    focusParent(this);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.right: {\n                // If this is a group item then expand it and focus the first child item\n                // in accordance with the aria spec.\n                if (this.isGroupItem(item)) {\n                    if (this.isGroupCollapsed(item)) {\n                        this.expandGroup(item);\n                    } else {\n                        // Move to the first item in the child group.\n                        this.getGroupFromItem(item).find(SELECTORS.ITEM).first().focus();\n                    }\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.up: {\n\n                if (currentIndex > 0) {\n                    var prev = this.getVisibleItems().eq(currentIndex - 1);\n\n                    prev.focus();\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.down: {\n\n                if (currentIndex < this.getVisibleItems().length - 1) {\n                    var next = this.getVisibleItems().eq(currentIndex + 1);\n\n                    next.focus();\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.asterisk: {\n                // Expand all groups.\n                this.expandAllGroups();\n                e.stopPropagation();\n                return false;\n            }\n        }\n        return true;\n    };\n\n    /**\n     * Handle a click (select).\n     *\n     * @method handleClick\n     * @param {Object} item The jquery id of the parent item of the group.\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleClick = function(item, e) {\n\n        if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {\n            // Do nothing.\n            return true;\n        }\n\n        // Update the active item.\n        item.focus();\n\n        // If the item is a group node.\n        if (this.isGroupItem(item)) {\n            this.toggleGroup(item);\n        }\n\n        e.stopPropagation();\n        return true;\n    };\n\n    /**\n     * Handle a focus event.\n     *\n     * @method handleFocus\n     * @param {Object} item The jquery id of the parent item of the group.\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleFocus = function(item, e) {\n\n        this.setActiveItem(item);\n\n        e.stopPropagation();\n        return true;\n    };\n\n    /**\n     * Bind the event listeners we require.\n     *\n     * @method bindEventHandlers\n     */\n    Tree.prototype.bindEventHandlers = function() {\n        var thisObj = this;\n\n        // Bind event handlers to the tree items. Use event delegates to allow\n        // for dynamically loaded parts of the tree.\n        this.treeRoot.on({\n            click: function(e) {\n              return thisObj.handleClick($(this), e);\n            },\n            keydown: function(e) {\n              return thisObj.handleKeyDown($(this), e);\n            },\n            focus: function(e) {\n              return thisObj.handleFocus($(this), e);\n            },\n        }, SELECTORS.ITEM);\n    };\n\n    return /** @alias module:tool_lp/tree */ Tree;\n});\n"],"file":"tree.min.js"}
\ No newline at end of file
+{"version":3,"file":"tree.min.js","sources":["../src/tree.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Implement an accessible aria tree widget, from a nested unordered list.\n * Based on http://oaa-accessibility.org/example/41/.\n *\n * @module     tool_lp/tree\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n    // Private variables and functions.\n    var SELECTORS = {\n        ITEM: '[role=treeitem]',\n        GROUP: '[role=treeitem]:has([role=group]), [role=treeitem][aria-owns], [role=treeitem][data-requires-ajax=true]',\n        CLOSED_GROUP: '[role=treeitem]:has([role=group])[aria-expanded=false], [role=treeitem][aria-owns][aria-expanded=false], ' +\n                 '[role=treeitem][data-requires-ajax=true][aria-expanded=false]',\n        FIRST_ITEM: '[role=treeitem]:first',\n        VISIBLE_ITEM: '[role=treeitem]:visible',\n        UNLOADED_AJAX_ITEM: '[role=treeitem][data-requires-ajax=true][data-loaded=false][aria-expanded=true]'\n    };\n\n    /**\n     * Constructor.\n     *\n     * @param {String} selector\n     * @param {function} selectCallback Called when the active node is changed.\n     */\n    var Tree = function(selector, selectCallback) {\n        this.treeRoot = $(selector);\n\n        this.treeRoot.data('activeItem', null);\n        this.selectCallback = selectCallback;\n        this.keys = {\n            tab:      9,\n            enter:    13,\n            space:    32,\n            pageup:   33,\n            pagedown: 34,\n            end:      35,\n            home:     36,\n            left:     37,\n            up:       38,\n            right:    39,\n            down:     40,\n            asterisk: 106\n        };\n\n        // Apply the standard default initialisation for all nodes, starting with the tree root.\n        this.initialiseNodes(this.treeRoot);\n        // Make the first item the active item for the tree so that it is added to the tab order.\n        this.setActiveItem(this.treeRoot.find(SELECTORS.FIRST_ITEM));\n        // Create the cache of the visible items.\n        this.refreshVisibleItemsCache();\n        // Create the event handlers for the tree.\n        this.bindEventHandlers();\n    };\n\n    Tree.prototype.registerEnterCallback = function(callback) {\n        this.enterCallback = callback;\n    };\n\n    /**\n     * Find all visible tree items and save a cache of them on the tree object.\n     *\n     * @method refreshVisibleItemsCache\n     */\n    Tree.prototype.refreshVisibleItemsCache = function() {\n        this.treeRoot.data('visibleItems', this.treeRoot.find(SELECTORS.VISIBLE_ITEM));\n    };\n\n    /**\n     * Get all visible tree items.\n     *\n     * @method getVisibleItems\n     * @return {Object} visible items\n     */\n    Tree.prototype.getVisibleItems = function() {\n        return this.treeRoot.data('visibleItems');\n    };\n\n    /**\n     * Mark the given item as active within the tree and fire the callback for when the active item is set.\n     *\n     * @method setActiveItem\n     * @param {object} item jquery object representing an item on the tree.\n     */\n    Tree.prototype.setActiveItem = function(item) {\n        var currentActive = this.treeRoot.data('activeItem');\n        if (item === currentActive) {\n            return;\n        }\n\n        // Remove previous active from tab order.\n        if (currentActive) {\n            currentActive.attr('tabindex', '-1');\n            currentActive.attr('aria-selected', 'false');\n        }\n        item.attr('tabindex', '0');\n        item.attr('aria-selected', 'true');\n\n        // Set the new active item.\n        this.treeRoot.data('activeItem', item);\n\n        if (typeof this.selectCallback === 'function') {\n            this.selectCallback(item);\n        }\n    };\n\n    /**\n     * Determines if the given item is a group item (contains child tree items) in the tree.\n     *\n     * @method isGroupItem\n     * @param {object} item jquery object representing an item on the tree.\n     * @returns {bool}\n     */\n    Tree.prototype.isGroupItem = function(item) {\n        return item.is(SELECTORS.GROUP);\n    };\n\n    /**\n     * Determines if the given item is a group item (contains child tree items) in the tree.\n     *\n     * @method isGroupItem\n     * @param {object} item jquery object representing an item on the tree.\n     * @returns {bool}\n     */\n    Tree.prototype.getGroupFromItem = function(item) {\n        var ariaowns = this.treeRoot.find('#' + item.attr('aria-owns'));\n        var plain = item.children('[role=group]');\n        if (ariaowns.length > plain.length) {\n            return ariaowns;\n        } else {\n            return plain;\n        }\n    };\n\n    /**\n     * Determines if the given group item (contains child tree items) is collapsed.\n     *\n     * @method isGroupCollapsed\n     * @param {object} item jquery object representing a group item on the tree.\n     * @returns {bool}\n     */\n    Tree.prototype.isGroupCollapsed = function(item) {\n        return item.attr('aria-expanded') === 'false';\n    };\n\n    /**\n     * Determines if the given group item (contains child tree items) can be collapsed.\n     *\n     * @method isGroupCollapsible\n     * @param {object} item jquery object representing a group item on the tree.\n     * @returns {bool}\n     */\n    Tree.prototype.isGroupCollapsible = function(item) {\n        return item.attr('data-collapsible') !== 'false';\n    };\n\n    /**\n     * Performs the tree initialisation for all child items from the given node,\n     * such as removing everything from the tab order and setting aria selected\n     * on items.\n     *\n     * @method initialiseNodes\n     * @param {object} node jquery object representing a node.\n     */\n    Tree.prototype.initialiseNodes = function(node) {\n        this.removeAllFromTabOrder(node);\n        this.setAriaSelectedFalseOnItems(node);\n\n        // Get all ajax nodes that have been rendered as expanded but haven't loaded the child items yet.\n        var thisTree = this;\n        node.find(SELECTORS.UNLOADED_AJAX_ITEM).each(function() {\n            var unloadedNode = $(this);\n            // Collapse and then expand to trigger the ajax loading.\n            thisTree.collapseGroup(unloadedNode);\n            thisTree.expandGroup(unloadedNode);\n        });\n    };\n\n    /**\n     * Removes all child DOM elements of the given node from the tab order.\n     *\n     * @method removeAllFromTabOrder\n     * @param {object} node jquery object representing a node.\n     */\n    Tree.prototype.removeAllFromTabOrder = function(node) {\n        node.find('*').attr('tabindex', '-1');\n        this.getGroupFromItem($(node)).find('*').attr('tabindex', '-1');\n    };\n\n    /**\n     * Find all child tree items from the given node and set the aria selected attribute to false.\n     *\n     * @method setAriaSelectedFalseOnItems\n     * @param {object} node jquery object representing a node.\n     */\n    Tree.prototype.setAriaSelectedFalseOnItems = function(node) {\n        node.find(SELECTORS.ITEM).attr('aria-selected', 'false');\n    };\n\n    /**\n     * Expand all group nodes within the tree.\n     *\n     * @method expandAllGroups\n     */\n    Tree.prototype.expandAllGroups = function() {\n        var thisTree = this;\n\n        this.treeRoot.find(SELECTORS.CLOSED_GROUP).each(function() {\n            var groupNode = $(this);\n\n            thisTree.expandGroup($(this)).done(function() {\n                thisTree.expandAllChildGroups(groupNode);\n            });\n        });\n    };\n\n    /**\n     * Find all child group nodes from the given node and expand them.\n     *\n     * @method expandAllChildGroups\n     * @param {Object} item is the jquery id of the group.\n     */\n    Tree.prototype.expandAllChildGroups = function(item) {\n        var thisTree = this;\n\n        this.getGroupFromItem(item).find(SELECTORS.CLOSED_GROUP).each(function() {\n            var groupNode = $(this);\n\n            thisTree.expandGroup($(this)).done(function() {\n                thisTree.expandAllChildGroups(groupNode);\n            });\n        });\n    };\n\n    /**\n     * Expand a collapsed group.\n     *\n     * Handles expanding nodes that are ajax loaded (marked with a data-requires-ajax attribute).\n     *\n     * @method expandGroup\n     * @param {Object} item is the jquery id of the parent item of the group.\n     * @return {Object} a promise that is resolved when the group has been expanded.\n     */\n    Tree.prototype.expandGroup = function(item) {\n        var promise = $.Deferred();\n        // Ignore nodes that are explicitly maked as not expandable or are already expanded.\n        if (item.attr('data-expandable') !== 'false' && this.isGroupCollapsed(item)) {\n            // If this node requires ajax load and we haven't already loaded it.\n            if (item.attr('data-requires-ajax') === 'true' && item.attr('data-loaded') !== 'true') {\n                item.attr('data-loaded', false);\n                // Get the closes ajax loading module specificed in the tree.\n                var moduleName = item.closest('[data-ajax-loader]').attr('data-ajax-loader');\n                var thisTree = this;\n                // Flag this node as loading.\n                item.addClass('loading');\n                // Require the ajax module (must be AMD) and try to load the items.\n                require([moduleName], function(loader) {\n                    // All ajax module must implement a \"load\" method.\n                    loader.load(item).done(function() {\n                        item.attr('data-loaded', true);\n\n                        // Set defaults on the newly constructed part of the tree.\n                        thisTree.initialiseNodes(item);\n                        thisTree.finishExpandingGroup(item);\n                        // Make sure no child elements of the item we just loaded are tabbable.\n                        item.removeClass('loading');\n                        promise.resolve();\n                    });\n                });\n            } else {\n                this.finishExpandingGroup(item);\n                promise.resolve();\n            }\n        } else {\n            promise.resolve();\n        }\n        return promise;\n    };\n\n    /**\n     * Perform the necessary DOM changes to display a group item.\n     *\n     * @method finishExpandingGroup\n     * @param {Object} item is the jquery id of the parent item of the group.\n     */\n    Tree.prototype.finishExpandingGroup = function(item) {\n        // Expand the group.\n        var group = this.getGroupFromItem(item);\n        group.attr('aria-hidden', 'false');\n        item.attr('aria-expanded', 'true');\n\n        // Update the list of visible items.\n        this.refreshVisibleItemsCache();\n    };\n\n    /**\n     * Collapse an expanded group.\n     *\n     * @method collapseGroup\n     * @param {Object} item is the jquery id of the parent item of the group.\n     */\n    Tree.prototype.collapseGroup = function(item) {\n        // If the item is not collapsible or already collapsed then do nothing.\n        if (!this.isGroupCollapsible(item) || this.isGroupCollapsed(item)) {\n            return;\n        }\n\n        // Collapse the group.\n        var group = this.getGroupFromItem(item);\n        group.attr('aria-hidden', 'true');\n        item.attr('aria-expanded', 'false');\n\n        // Update the list of visible items.\n        this.refreshVisibleItemsCache();\n    };\n\n    /**\n     * Expand or collapse a group.\n     *\n     * @method toggleGroup\n     * @param {Object} item is the jquery id of the parent item of the group.\n     */\n    Tree.prototype.toggleGroup = function(item) {\n        if (item.attr('aria-expanded') === 'true') {\n            this.collapseGroup(item);\n        } else {\n            this.expandGroup(item);\n        }\n    };\n\n    /**\n     * Handle a key down event - ie navigate the tree.\n     *\n     * @method handleKeyDown\n     * @param {Object} item is the jquery id of the parent item of the group.\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n     // This function should be simplified. In the meantime..\n     // eslint-disable-next-line complexity\n    Tree.prototype.handleKeyDown = function(item, e) {\n        var currentIndex = this.getVisibleItems().index(item);\n\n        if ((e.altKey || e.ctrlKey || e.metaKey) || (e.shiftKey && e.keyCode != this.keys.tab)) {\n            // Do nothing.\n            return true;\n        }\n\n        switch (e.keyCode) {\n            case this.keys.home: {\n                // Jump to first item in tree.\n                this.getVisibleItems().first().focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.end: {\n                // Jump to last visible item.\n                this.getVisibleItems().last().focus();\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.enter: {\n                var links = item.children('a').length ? item.children('a') : item.children().not(SELECTORS.GROUP).find('a');\n                if (links.length) {\n                    // See if we have a callback.\n                    if (typeof this.enterCallback === 'function') {\n                        this.enterCallback(item);\n                    } else {\n                        window.location.href = links.first().attr('href');\n                    }\n                } else if (this.isGroupItem(item)) {\n                    this.toggleGroup(item, true);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.space: {\n                if (this.isGroupItem(item)) {\n                    this.toggleGroup(item, true);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.left: {\n                var focusParent = function(tree) {\n                    // Get the immediate visible parent group item that contains this element.\n                    tree.getVisibleItems().filter(function() {\n                        return tree.getGroupFromItem($(this)).has(item).length;\n                    }).focus();\n                };\n\n                // If this is a goup item then collapse it and focus the parent group\n                // in accordance with the aria spec.\n                if (this.isGroupItem(item)) {\n                    if (this.isGroupCollapsed(item)) {\n                        focusParent(this);\n                    } else {\n                        this.collapseGroup(item);\n                    }\n                } else {\n                    focusParent(this);\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.right: {\n                // If this is a group item then expand it and focus the first child item\n                // in accordance with the aria spec.\n                if (this.isGroupItem(item)) {\n                    if (this.isGroupCollapsed(item)) {\n                        this.expandGroup(item);\n                    } else {\n                        // Move to the first item in the child group.\n                        this.getGroupFromItem(item).find(SELECTORS.ITEM).first().focus();\n                    }\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.up: {\n\n                if (currentIndex > 0) {\n                    var prev = this.getVisibleItems().eq(currentIndex - 1);\n\n                    prev.focus();\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.down: {\n\n                if (currentIndex < this.getVisibleItems().length - 1) {\n                    var next = this.getVisibleItems().eq(currentIndex + 1);\n\n                    next.focus();\n                }\n\n                e.stopPropagation();\n                return false;\n            }\n            case this.keys.asterisk: {\n                // Expand all groups.\n                this.expandAllGroups();\n                e.stopPropagation();\n                return false;\n            }\n        }\n        return true;\n    };\n\n    /**\n     * Handle a click (select).\n     *\n     * @method handleClick\n     * @param {Object} item The jquery id of the parent item of the group.\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleClick = function(item, e) {\n\n        if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) {\n            // Do nothing.\n            return true;\n        }\n\n        // Update the active item.\n        item.focus();\n\n        // If the item is a group node.\n        if (this.isGroupItem(item)) {\n            this.toggleGroup(item);\n        }\n\n        e.stopPropagation();\n        return true;\n    };\n\n    /**\n     * Handle a focus event.\n     *\n     * @method handleFocus\n     * @param {Object} item The jquery id of the parent item of the group.\n     * @param {Event} e The event.\n     * @return {Boolean}\n     */\n    Tree.prototype.handleFocus = function(item, e) {\n\n        this.setActiveItem(item);\n\n        e.stopPropagation();\n        return true;\n    };\n\n    /**\n     * Bind the event listeners we require.\n     *\n     * @method bindEventHandlers\n     */\n    Tree.prototype.bindEventHandlers = function() {\n        var thisObj = this;\n\n        // Bind event handlers to the tree items. Use event delegates to allow\n        // for dynamically loaded parts of the tree.\n        this.treeRoot.on({\n            click: function(e) {\n              return thisObj.handleClick($(this), e);\n            },\n            keydown: function(e) {\n              return thisObj.handleKeyDown($(this), e);\n            },\n            focus: function(e) {\n              return thisObj.handleFocus($(this), e);\n            },\n        }, SELECTORS.ITEM);\n    };\n\n    return /** @alias module:tool_lp/tree */ Tree;\n});\n"],"names":["define","$","SELECTORS","Tree","selector","selectCallback","treeRoot","data","keys","tab","enter","space","pageup","pagedown","end","home","left","up","right","down","asterisk","initialiseNodes","this","setActiveItem","find","refreshVisibleItemsCache","bindEventHandlers","prototype","registerEnterCallback","callback","enterCallback","getVisibleItems","item","currentActive","attr","isGroupItem","is","getGroupFromItem","ariaowns","plain","children","length","isGroupCollapsed","isGroupCollapsible","node","removeAllFromTabOrder","setAriaSelectedFalseOnItems","thisTree","each","unloadedNode","collapseGroup","expandGroup","expandAllGroups","groupNode","done","expandAllChildGroups","promise","Deferred","moduleName","closest","addClass","require","loader","load","finishExpandingGroup","removeClass","resolve","toggleGroup","handleKeyDown","e","currentIndex","index","altKey","ctrlKey","metaKey","shiftKey","keyCode","first","focus","stopPropagation","last","links","not","window","location","href","focusParent","tree","filter","has","eq","handleClick","handleFocus","thisObj","on","click","keydown"],"mappings":";;;;;;;;;AAwBAA,mBAAO,CAAC,WAAW,SAASC,OAEpBC,eACM,kBADNA,gBAEO,0GAFPA,uBAGc,yKAHdA,qBAKY,wBALZA,uBAMc,0BANdA,6BAOoB,kFASpBC,KAAO,SAASC,SAAUC,qBACrBC,SAAWL,EAAEG,eAEbE,SAASC,KAAK,aAAc,WAC5BF,eAAiBA,oBACjBG,KAAO,CACRC,IAAU,EACVC,MAAU,GACVC,MAAU,GACVC,OAAU,GACVC,SAAU,GACVC,IAAU,GACVC,KAAU,GACVC,KAAU,GACVC,GAAU,GACVC,MAAU,GACVC,KAAU,GACVC,SAAU,UAITC,gBAAgBC,KAAKhB,eAErBiB,cAAcD,KAAKhB,SAASkB,KAAKtB,4BAEjCuB,gCAEAC,4BAGTvB,KAAKwB,UAAUC,sBAAwB,SAASC,eACvCC,cAAgBD,UAQzB1B,KAAKwB,UAAUF,yBAA2B,gBACjCnB,SAASC,KAAK,eAAgBe,KAAKhB,SAASkB,KAAKtB,0BAS1DC,KAAKwB,UAAUI,gBAAkB,kBACtBT,KAAKhB,SAASC,KAAK,iBAS9BJ,KAAKwB,UAAUJ,cAAgB,SAASS,UAChCC,cAAgBX,KAAKhB,SAASC,KAAK,cACnCyB,OAASC,gBAKTA,gBACAA,cAAcC,KAAK,WAAY,MAC/BD,cAAcC,KAAK,gBAAiB,UAExCF,KAAKE,KAAK,WAAY,KACtBF,KAAKE,KAAK,gBAAiB,aAGtB5B,SAASC,KAAK,aAAcyB,MAEE,mBAAxBV,KAAKjB,qBACPA,eAAe2B,QAW5B7B,KAAKwB,UAAUQ,YAAc,SAASH,aAC3BA,KAAKI,GAAGlC,kBAUnBC,KAAKwB,UAAUU,iBAAmB,SAASL,UACnCM,SAAWhB,KAAKhB,SAASkB,KAAK,IAAMQ,KAAKE,KAAK,cAC9CK,MAAQP,KAAKQ,SAAS,uBACtBF,SAASG,OAASF,MAAME,OACjBH,SAEAC,OAWfpC,KAAKwB,UAAUe,iBAAmB,SAASV,YACD,UAA/BA,KAAKE,KAAK,kBAUrB/B,KAAKwB,UAAUgB,mBAAqB,SAASX,YACA,UAAlCA,KAAKE,KAAK,qBAWrB/B,KAAKwB,UAAUN,gBAAkB,SAASuB,WACjCC,sBAAsBD,WACtBE,4BAA4BF,UAG7BG,SAAWzB,KACfsB,KAAKpB,KAAKtB,8BAA8B8C,MAAK,eACrCC,aAAehD,EAAEqB,MAErByB,SAASG,cAAcD,cACvBF,SAASI,YAAYF,kBAU7B9C,KAAKwB,UAAUkB,sBAAwB,SAASD,MAC5CA,KAAKpB,KAAK,KAAKU,KAAK,WAAY,WAC3BG,iBAAiBpC,EAAE2C,OAAOpB,KAAK,KAAKU,KAAK,WAAY,OAS9D/B,KAAKwB,UAAUmB,4BAA8B,SAASF,MAClDA,KAAKpB,KAAKtB,gBAAgBgC,KAAK,gBAAiB,UAQpD/B,KAAKwB,UAAUyB,gBAAkB,eACzBL,SAAWzB,UAEVhB,SAASkB,KAAKtB,wBAAwB8C,MAAK,eACxCK,UAAYpD,EAAEqB,MAElByB,SAASI,YAAYlD,EAAEqB,OAAOgC,MAAK,WAC/BP,SAASQ,qBAAqBF,kBAW1ClD,KAAKwB,UAAU4B,qBAAuB,SAASvB,UACvCe,SAAWzB,UAEVe,iBAAiBL,MAAMR,KAAKtB,wBAAwB8C,MAAK,eACtDK,UAAYpD,EAAEqB,MAElByB,SAASI,YAAYlD,EAAEqB,OAAOgC,MAAK,WAC/BP,SAASQ,qBAAqBF,kBAc1ClD,KAAKwB,UAAUwB,YAAc,SAASnB,UAC9BwB,QAAUvD,EAAEwD,cAEqB,UAAjCzB,KAAKE,KAAK,oBAAkCZ,KAAKoB,iBAAiBV,SAE1B,SAApCA,KAAKE,KAAK,uBAAiE,SAA7BF,KAAKE,KAAK,eAA2B,CACnFF,KAAKE,KAAK,eAAe,OAErBwB,WAAa1B,KAAK2B,QAAQ,sBAAsBzB,KAAK,oBACrDa,SAAWzB,KAEfU,KAAK4B,SAAS,WAEdC,QAAQ,CAACH,aAAa,SAASI,QAE3BA,OAAOC,KAAK/B,MAAMsB,MAAK,WACnBtB,KAAKE,KAAK,eAAe,GAGzBa,SAAS1B,gBAAgBW,MACzBe,SAASiB,qBAAqBhC,MAE9BA,KAAKiC,YAAY,WACjBT,QAAQU,0BAIXF,qBAAqBhC,MAC1BwB,QAAQU,eAGZV,QAAQU,iBAELV,SASXrD,KAAKwB,UAAUqC,qBAAuB,SAAShC,MAE/BV,KAAKe,iBAAiBL,MAC5BE,KAAK,cAAe,SAC1BF,KAAKE,KAAK,gBAAiB,aAGtBT,4BASTtB,KAAKwB,UAAUuB,cAAgB,SAASlB,MAE/BV,KAAKqB,mBAAmBX,QAASV,KAAKoB,iBAAiBV,QAKhDV,KAAKe,iBAAiBL,MAC5BE,KAAK,cAAe,QAC1BF,KAAKE,KAAK,gBAAiB,cAGtBT,6BASTtB,KAAKwB,UAAUwC,YAAc,SAASnC,MACC,SAA/BA,KAAKE,KAAK,sBACLgB,cAAclB,WAEdmB,YAAYnB,OAczB7B,KAAKwB,UAAUyC,cAAgB,SAASpC,KAAMqC,OACtCC,aAAehD,KAAKS,kBAAkBwC,MAAMvC,SAE3CqC,EAAEG,QAAUH,EAAEI,SAAWJ,EAAEK,SAAaL,EAAEM,UAAYN,EAAEO,SAAWtD,KAAKd,KAAKC,WAEvE,SAGH4D,EAAEO,cACDtD,KAAKd,KAAKO,iBAENgB,kBAAkB8C,QAAQC,QAE/BT,EAAEU,mBACK,OAENzD,KAAKd,KAAKM,gBAENiB,kBAAkBiD,OAAOF,QAE9BT,EAAEU,mBACK,OAENzD,KAAKd,KAAKE,UACPuE,MAAQjD,KAAKQ,SAAS,KAAKC,OAAST,KAAKQ,SAAS,KAAOR,KAAKQ,WAAW0C,IAAIhF,iBAAiBsB,KAAK,YACnGyD,MAAMxC,OAE4B,mBAAvBnB,KAAKQ,mBACPA,cAAcE,MAEnBmD,OAAOC,SAASC,KAAOJ,MAAMJ,QAAQ3C,KAAK,QAEvCZ,KAAKa,YAAYH,YACnBmC,YAAYnC,MAAM,GAG3BqC,EAAEU,mBACK,OAENzD,KAAKd,KAAKG,aACPW,KAAKa,YAAYH,YACZmC,YAAYnC,MAAM,GAG3BqC,EAAEU,mBACK,OAENzD,KAAKd,KAAKQ,SACPsE,YAAc,SAASC,MAEvBA,KAAKxD,kBAAkByD,QAAO,kBACnBD,KAAKlD,iBAAiBpC,EAAEqB,OAAOmE,IAAIzD,MAAMS,UACjDqC,gBAKHxD,KAAKa,YAAYH,MACbV,KAAKoB,iBAAiBV,MACtBsD,YAAYhE,WAEP4B,cAAclB,MAGvBsD,YAAYhE,MAGhB+C,EAAEU,mBACK,OAENzD,KAAKd,KAAKU,aAGPI,KAAKa,YAAYH,QACbV,KAAKoB,iBAAiBV,WACjBmB,YAAYnB,WAGZK,iBAAiBL,MAAMR,KAAKtB,gBAAgB2E,QAAQC,SAIjET,EAAEU,mBACK,OAENzD,KAAKd,KAAKS,MAEPqD,aAAe,EACJhD,KAAKS,kBAAkB2D,GAAGpB,aAAe,GAE/CQ,eAGTT,EAAEU,mBACK,OAENzD,KAAKd,KAAKW,QAEPmD,aAAehD,KAAKS,kBAAkBU,OAAS,EACpCnB,KAAKS,kBAAkB2D,GAAGpB,aAAe,GAE/CQ,eAGTT,EAAEU,mBA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\ No newline at end of file
diff --git a/lib/amd/build/truncate.min.js b/lib/amd/build/truncate.min.js
index 7cc8f99f202..769d90c9ecd 100644
--- a/lib/amd/build/truncate.min.js
+++ b/lib/amd/build/truncate.min.js
@@ -1,2 +1,17 @@
-define ("core/truncate",["jquery"],function(a){var b=function(a,b){var c=a+"",d=c.length,e=b?+b:0;if(e!=e){e=0}if(-1>=e||e>=d){return""}e=0|e;var f=c.charCodeAt(e),g,h=e+1,i=1;if(55296<=f&&56319>=f&&d>h){g=c.charCodeAt(h);if(56320<=g&&57343>=g){i=2}}return i},c=function(a){for(var c=0,d=0;d<a.length;d+=b(a,d)){c++}return c},d=function(a,c){if(!a.length){return 0}var d=0,e=0;do{d+=b(a,d);e++}while(d<a.length&&e<c);return d};a.truncate=function(b,c){return a("<div></div>").append(b).truncate(c).html()};a.fn.truncate=function(b){if(!isNaN(parseFloat(b)))b={length:b};var e=a.extend({},a.truncate.defaults,b);return this.each(function(){var b=a(this);if(e.noBreaks)b.find("br").replaceWith(" ");var f=e.ellipsis.length,g=b.text(),h=c(g),j=h-e.length+f;if(h<e.length)return;if(e.stripTags)b.text(g);if(e.words&&0<j){var k=g.slice(0,d(g,e.length-f)+1),l=k.replace(/(\s*\S+|\s)$/,""),m=c(l),n=k.match(/\s/)?!1:!0;if(e.keepFirstWord&&0===m){j=h-c(/^(\S*)/.exec(g)[0])-f}else if(n&&0===m){j=h-e.length+f}else{j=h-m-1}}if(j>h){j=h-e.length}if(0>j||!j&&!e.truncated)return;a.each(b.contents().get().reverse(),function(b,g){var h=a(g),i=h.text(),k=c(i);if(k<=j){e.truncated=!0;j-=k;h.remove();return}if(3===g.nodeType){var l=k-j;l=0<=l?d(i,l):0;a(g.splitText(l)).replaceWith(e.ellipsis);return!1}h.truncate(a.extend(e,{length:k-j+f}));return!1})})};a.truncate.defaults={stripTags:!1,words:!1,keepFirstWord:!1,noBreaks:!1,length:1/0,ellipsis:"\u2026"};return{truncate:a.truncate}});
-//# sourceMappingURL=truncate.min.js.map
+/**
+ * Module for text truncation.
+ *
+ * Implementation provided by Pathable (thanks!).
+ * See: https://github.com/pathable/truncate
+ *
+ * @module     core/truncate
+ * @package    core
+ * @class      truncate
+ * @copyright  2017 Pathable
+ *             2017 Mathias Bynens
+ *             2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/truncate",["jquery"],(function($){var chop=/(\s*\S+|\s)$/,start=/^(\S*)/,space=/\s/,charLengthAt=function(text,position){var string=String(text),size=string.length,index=position?Number(position):0;if(index!=index&&(index=0),index<=-1||index>=size)return"";index|=0;var cuSecond,cuFirst=string.charCodeAt(index),nextIndex=index+1,len=1;return cuFirst>=55296&&cuFirst<=56319&&size>nextIndex&&(cuSecond=string.charCodeAt(nextIndex))>=56320&&cuSecond<=57343&&(len=2),len},lengthMultiByte=function(text){for(var count=0,i=0;i<text.length;i+=charLengthAt(text,i))count++;return count},getSliceLength=function(text,amount){if(!text.length)return 0;var length=0,count=0;do{length+=charLengthAt(text,length),count++}while(length<text.length&&count<amount);return length};return $.truncate=function(html,options){return $("<div></div>").append(html).truncate(options).html()},$.fn.truncate=function(options){isNaN(parseFloat(options))||(options={length:options});var o=$.extend({},$.truncate.defaults,options);return this.each((function(){var self=$(this);o.noBreaks&&self.find("br").replaceWith(" ");var ellipsisLength=o.ellipsis.length,text=self.text(),textLength=lengthMultiByte(text),excess=textLength-o.length+ellipsisLength;if(!(textLength<o.length)){if(o.stripTags&&self.text(text),o.words&&excess>0){var sliced=text.slice(0,getSliceLength(text,o.length-ellipsisLength)+1),replaced=sliced.replace(chop,""),truncated=lengthMultiByte(replaced),oneWord=!sliced.match(space);excess=o.keepFirstWord&&0===truncated?textLength-lengthMultiByte(start.exec(text)[0])-ellipsisLength:oneWord&&0===truncated?textLength-o.length+ellipsisLength:textLength-truncated-1}excess>textLength&&(excess=textLength-o.length),excess<0||!excess&&!o.truncated||$.each(self.contents().get().reverse(),(function(i,el){var $el=$(el),text=$el.text(),length=lengthMultiByte(text);if(length<=excess)return o.truncated=!0,excess-=length,void $el.remove();if(3===el.nodeType){var splitAmount=length-excess;return splitAmount=splitAmount>=0?getSliceLength(text,splitAmount):0,$(el.splitText(splitAmount)).replaceWith(o.ellipsis),!1}return $el.truncate($.extend(o,{length:length-excess+ellipsisLength})),!1}))}}))},$.truncate.defaults={stripTags:!1,words:!1,keepFirstWord:!1,noBreaks:!1,length:1/0,ellipsis:"…"},{truncate:$.truncate}}));
+
+//# sourceMappingURL=truncate.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/truncate.min.js.map b/lib/amd/build/truncate.min.js.map
index cc1e979bd94..59117056beb 100644
--- a/lib/amd/build/truncate.min.js.map
+++ b/lib/amd/build/truncate.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Description of import/upgrade into Moodle:\n * 1.) Download from https://github.com/pathable/truncate\n * 2.) Copy jquery.truncate.js into lib/amd/src/truncate.js\n * 3.) Edit truncate.js to return the $.truncate function as truncate\n * 4.) Apply Moodle changes from git commit 7172b33e241c4d42cff01f78bf8570408f43fdc2\n */\n\n/**\n * Module for text truncation.\n *\n * Implementation provided by Pathable (thanks!).\n * See: https://github.com/pathable/truncate\n *\n * @module     core/truncate\n * @package    core\n * @class      truncate\n * @copyright  2017 Pathable\n *             2017 Mathias Bynens\n *             2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n  // Matches trailing non-space characters.\n  var chop = /(\\s*\\S+|\\s)$/;\n\n  // Matches the first word in the string.\n  var start = /^(\\S*)/;\n\n  // Matches any space characters.\n  var space = /\\s/;\n\n  // Special thanks to Mathias Bynens for the multi-byte char\n  // implementation. 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The word joiner (U+2060) can be\n    // used to prevent a hanging ellipsis, but displays incorrectly in Chrome\n    // on Windows 7.\n    // http://code.google.com/p/chromium/issues/detail?id=68323\n    //ellipsis: '\\u2026' // '\\u2060\\u2026'\n    ellipsis: '\\u2026' // '\\u2060\\u2026'\n\n  };\n\n    return {\n        truncate: $.truncate,\n    };\n});\n"],"file":"truncate.min.js"}
\ No newline at end of file
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Delegates to $.fn.truncate.\n  $.truncate = function(html, options) {\n    return $('<div></div>').append(html).truncate(options).html();\n  };\n\n  // Truncate the contents of an element in place.\n  $.fn.truncate = function(options) {\n    if (!isNaN(parseFloat(options))) options = {length: options};\n    var o = $.extend({}, $.truncate.defaults, options);\n\n    return this.each(function() {\n      var self = $(this);\n\n      if (o.noBreaks) self.find('br').replaceWith(' ');\n\n      var ellipsisLength = o.ellipsis.length;\n      var text = self.text();\n      var textLength = lengthMultiByte(text);\n      var excess = textLength - o.length + ellipsisLength;\n\n      if (textLength < o.length) return;\n      if (o.stripTags) self.text(text);\n\n      // Chop off any partial words if appropriate.\n      if (o.words && excess > 0) {\n        var sliced = text.slice(0, getSliceLength(text, o.length - ellipsisLength) + 1);\n        var replaced = sliced.replace(chop, '');\n        var truncated = lengthMultiByte(replaced);\n        var oneWord = sliced.match(space) ? false : true;\n\n        if (o.keepFirstWord && truncated === 0) {\n          excess = textLength - lengthMultiByte(start.exec(text)[0]) - ellipsisLength;\n        } else if (oneWord && truncated === 0) {\n          excess = textLength - o.length + ellipsisLength;\n        } else {\n          excess = textLength - truncated - 1;\n        }\n      }\n\n      // The requested length is larger than the text. 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The word joiner (U+2060) can be\n    // used to prevent a hanging ellipsis, but displays incorrectly in Chrome\n    // on Windows 7.\n    // http://code.google.com/p/chromium/issues/detail?id=68323\n    //ellipsis: '\\u2026' // '\\u2060\\u2026'\n    ellipsis: '\\u2026' // '\\u2060\\u2026'\n\n  };\n\n    return {\n        truncate: $.truncate,\n    };\n});\n"],"names":["define","$","chop","start","space","charLengthAt","text","position","string","String","size","length","index","Number","cuSecond","cuFirst","charCodeAt","nextIndex","len","lengthMultiByte","count","i","getSliceLength","amount","truncate","html","options","append","fn","isNaN","parseFloat","o","extend","defaults","this","each","self","noBreaks","find","replaceWith","ellipsisLength","ellipsis","textLength","excess","stripTags","words","sliced","slice","replaced","replace","truncated","oneWord","match","keepFirstWord","exec","contents","get","reverse","el","$el","remove","nodeType","splitAmount","splitText","Infinity"],"mappings":";;;;;;;;;;;;;;AAqCAA,uBAAO,CAAC,WAAW,SAASC,OAGtBC,KAAO,eAGPC,MAAQ,SAGRC,MAAQ,KAKRC,aAAe,SAASC,KAAMC,cAC5BC,OAASC,OAAOH,MAChBI,KAAOF,OAAOG,OAEdC,MAAQL,SAAWM,OAAON,UAAY,KACtCK,OAASA,QACXA,MAAQ,GAKNA,QAAU,GAAKA,OAASF,WACnB,GAGTE,OAAgB,MAGZE,SADAC,QAAUP,OAAOQ,WAAWJ,OAE5BK,UAAYL,MAAQ,EACpBM,IAAM,SAERH,SAAW,OAAUA,SAAW,OAChCL,KAAOO,YAEPH,SAAWN,OAAOQ,WAAWC,aACb,OAAUH,UAAY,QACpCI,IAAM,GAGHA,KAGLC,gBAAkB,SAASb,cACzBc,MAAQ,EAEHC,EAAI,EAAGA,EAAIf,KAAKK,OAAQU,GAAKhB,aAAaC,KAAMe,GACvDD,eAGKA,OAGLE,eAAiB,SAAShB,KAAMiB,YAC7BjB,KAAKK,cACD,MAGLA,OAAS,EACTS,MAAQ,KAGVT,QAAUN,aAAaC,KAAMK,QAC7BS,cACOT,OAASL,KAAKK,QAAUS,MAAQG,eAElCZ,eAITV,EAAEuB,SAAW,SAASC,KAAMC,gBACnBzB,EAAE,eAAe0B,OAAOF,MAAMD,SAASE,SAASD,QAIzDxB,EAAE2B,GAAGJ,SAAW,SAASE,SAClBG,MAAMC,WAAWJ,YAAWA,QAAU,CAACf,OAAQe,cAChDK,EAAI9B,EAAE+B,OAAO,GAAI/B,EAAEuB,SAASS,SAAUP,gBAEnCQ,KAAKC,MAAK,eACXC,KAAOnC,EAAEiC,MAETH,EAAEM,UAAUD,KAAKE,KAAK,MAAMC,YAAY,SAExCC,eAAiBT,EAAEU,SAAS9B,OAC5BL,KAAO8B,KAAK9B,OACZoC,WAAavB,gBAAgBb,MAC7BqC,OAASD,WAAaX,EAAEpB,OAAS6B,oBAEjCE,WAAaX,EAAEpB,YACfoB,EAAEa,WAAWR,KAAK9B,KAAKA,MAGvByB,EAAEc,OAASF,OAAS,EAAG,KACrBG,OAASxC,KAAKyC,MAAM,EAAGzB,eAAehB,KAAMyB,EAAEpB,OAAS6B,gBAAkB,GACzEQ,SAAWF,OAAOG,QAAQ/C,KAAM,IAChCgD,UAAY/B,gBAAgB6B,UAC5BG,SAAUL,OAAOM,MAAMhD,OAGzBuC,OADEZ,EAAEsB,eAA+B,IAAdH,UACZR,WAAavB,gBAAgBhB,MAAMmD,KAAKhD,MAAM,IAAMkC,eACpDW,SAAyB,IAAdD,UACXR,WAAaX,EAAEpB,OAAS6B,eAExBE,WAAaQ,UAAY,EAKlCP,OAASD,aACXC,OAASD,WAAaX,EAAEpB,QAGtBgC,OAAS,IAAMA,SAAWZ,EAAEmB,WAGhCjD,EAAEkC,KAAKC,KAAKmB,WAAWC,MAAMC,WAAW,SAASpC,EAAGqC,QAC9CC,IAAM1D,EAAEyD,IACRpD,KAAOqD,IAAIrD,OACXK,OAASQ,gBAAgBb,SAGzBK,QAAUgC,cACZZ,EAAEmB,WAAY,EACdP,QAAUhC,YACVgD,IAAIC,YAKc,IAAhBF,GAAGG,SAAgB,KACjBC,YAAcnD,OAASgC,cAC3BmB,YAAcA,aAAe,EAAIxC,eAAehB,KAAMwD,aAAe,EACrE7D,EAAEyD,GAAGK,UAAUD,cAAcvB,YAAYR,EAAEU,WACpC,SAITkB,IAAInC,SAASvB,EAAE+B,OAAOD,EAAG,CAACpB,OAAQA,OAASgC,OAASH,mBAC7C,UAKbvC,EAAEuB,SAASS,SAAW,CAGpBW,WAAW,EAGXC,OAAO,EAIPQ,eAAe,EAGfhB,UAAU,EAGV1B,OAAQqD,EAAAA,EAORvB,SAAU,KAIH,CACHjB,SAAUvB,EAAEuB"}
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diff --git a/lib/amd/build/url.min.js b/lib/amd/build/url.min.js
index 6b9b476eda7..7e46795e1f6 100644
--- a/lib/amd/build/url.min.js
+++ b/lib/amd/build/url.min.js
@@ -1,2 +1,13 @@
-define ("core/url",["jquery","core/config"],function(a,b){return{fileUrl:function fileUrl(a,c){var d=b.wwwroot+a;if("/"!=c.charAt(0)){c="/"+c}if(b.slasharguments){d+=c}else{d+="?file="+encodeURIComponent(c)}return d},relativeUrl:function relativeUrl(c,d,e){if(0===c.indexOf("http:")||0===c.indexOf("https:")||0<=c.indexOf("://")){throw new Error("relativeUrl function does not accept absolute urls")}if("/"!=c.charAt(0)){c="/"+c}if("admin"!==b.admin){c=c.replace(/^\/admin\//,"/"+b.admin+"/")}d=d||{};if(e){d.sesskey=b.sesskey}var f="";if(Object.keys(d).length){f=a.map(d,function(a,b){return b+"="+a}).join("&")}if(""!==f){return b.wwwroot+c+"?"+f}else{return b.wwwroot+c}},imageUrl:function imageUrl(a,b){return M.util.image_url(a,b)}}});
-//# sourceMappingURL=url.min.js.map
+/**
+ * URL utility functions.
+ *
+ * @module     core/url
+ * @package    core
+ * @class      url
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      2.9
+ */
+define("core/url",["jquery","core/config"],(function($,config){return{fileUrl:function(relativeScript,slashArg){var url=config.wwwroot+relativeScript;return"/"!=slashArg.charAt(0)&&(slashArg="/"+slashArg),config.slasharguments?url+=slashArg:url+="?file="+encodeURIComponent(slashArg),url},relativeUrl:function(relativePath,params,includeSessKey){if(0===relativePath.indexOf("http:")||0===relativePath.indexOf("https:")||relativePath.indexOf("://")>=0)throw new Error("relativeUrl function does not accept absolute urls");"/"!=relativePath.charAt(0)&&(relativePath="/"+relativePath),"admin"!==config.admin&&(relativePath=relativePath.replace(/^\/admin\//,"/"+config.admin+"/")),params=params||{},includeSessKey&&(params.sesskey=config.sesskey);var queryString="";return Object.keys(params).length&&(queryString=$.map(params,(function(value,param){return param+"="+value})).join("&")),""!==queryString?config.wwwroot+relativePath+"?"+queryString:config.wwwroot+relativePath},imageUrl:function(imagename,component){return M.util.image_url(imagename,component)}}}));
+
+//# sourceMappingURL=url.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/url.min.js.map b/lib/amd/build/url.min.js.map
index 4333bd42f94..5991b7fa95b 100644
--- a/lib/amd/build/url.min.js.map
+++ b/lib/amd/build/url.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * URL utility functions.\n *\n * @module     core/url\n * @package    core\n * @class      url\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(['jquery', 'core/config'], function($, config) {\n\n\n    return /** @alias module:core/url */ {\n        // Public variables and functions.\n        /**\n         * Construct a file url\n         *\n         * @method fileUrl\n         * @param {string} relativeScript\n         * @param {string} slashArg\n         * @return {string}\n         */\n        fileUrl: function(relativeScript, slashArg) {\n\n            var url = config.wwwroot + relativeScript;\n\n            // Force a /\n            if (slashArg.charAt(0) != '/') {\n                slashArg = '/' + slashArg;\n            }\n            if (config.slasharguments) {\n                url += slashArg;\n            } else {\n                url += '?file=' + encodeURIComponent(slashArg);\n            }\n            return url;\n        },\n\n        /**\n         * Take a path relative to the moodle basedir and do some fixing (see class moodle_url in php).\n         *\n         * @method relativeUrl\n         * @param {string} relativePath The path relative to the moodle basedir.\n         * @param {object} params The query parameters for the URL.\n         * @param {bool} includeSessKey Add the session key to the query params.\n         * @return {string}\n         */\n        relativeUrl: function(relativePath, params, includeSessKey) {\n\n            if (relativePath.indexOf('http:') === 0 || relativePath.indexOf('https:') === 0 || relativePath.indexOf('://') >= 0) {\n                throw new Error('relativeUrl function does not accept absolute urls');\n            }\n\n            // Fix non-relative paths;\n            if (relativePath.charAt(0) != '/') {\n                relativePath = '/' + relativePath;\n            }\n\n            // Fix admin urls.\n            if (config.admin !== 'admin') {\n                relativePath = relativePath.replace(/^\\/admin\\//, '/' + config.admin + '/');\n            }\n\n            params = params || {};\n            if (includeSessKey) {\n                params.sesskey = config.sesskey;\n            }\n\n            var queryString = '';\n            if (Object.keys(params).length) {\n                queryString = $.map(params, function(value, param) {\n                    return param + '=' + value;\n                }).join('&');\n            }\n\n            if (queryString !== '') {\n                return config.wwwroot + relativePath + '?' + queryString;\n            } else {\n                return config.wwwroot + relativePath;\n            }\n        },\n\n        /**\n         * Wrapper for image_url function.\n         *\n         * @method imageUrl\n         * @param {string} imagename The image name (e.g. t/edit).\n         * @param {string} component The component (e.g. mod_feedback).\n         * @return {string}\n         */\n        imageUrl: function(imagename, component) {\n            return M.util.image_url(imagename, component);\n        }\n    };\n});\n"],"file":"url.min.js"}
\ No newline at end of file
+{"version":3,"file":"url.min.js","sources":["../src/url.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * URL utility functions.\n *\n * @module     core/url\n * @package    core\n * @class      url\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(['jquery', 'core/config'], function($, config) {\n\n\n    return /** @alias module:core/url */ {\n        // Public variables and functions.\n        /**\n         * Construct a file url\n         *\n         * @method fileUrl\n         * @param {string} relativeScript\n         * @param {string} slashArg\n         * @return {string}\n         */\n        fileUrl: function(relativeScript, slashArg) {\n\n            var url = config.wwwroot + relativeScript;\n\n            // Force a /\n            if (slashArg.charAt(0) != '/') {\n                slashArg = '/' + slashArg;\n            }\n            if (config.slasharguments) {\n                url += slashArg;\n            } else {\n                url += '?file=' + encodeURIComponent(slashArg);\n            }\n            return url;\n        },\n\n        /**\n         * Take a path relative to the moodle basedir and do some fixing (see class moodle_url in php).\n         *\n         * @method relativeUrl\n         * @param {string} relativePath The path relative to the moodle basedir.\n         * @param {object} params The query parameters for the URL.\n         * @param {bool} includeSessKey Add the session key to the query params.\n         * @return {string}\n         */\n        relativeUrl: function(relativePath, params, includeSessKey) {\n\n            if (relativePath.indexOf('http:') === 0 || relativePath.indexOf('https:') === 0 || relativePath.indexOf('://') >= 0) {\n                throw new Error('relativeUrl function does not accept absolute urls');\n            }\n\n            // Fix non-relative paths;\n            if (relativePath.charAt(0) != '/') {\n                relativePath = '/' + relativePath;\n            }\n\n            // Fix admin urls.\n            if (config.admin !== 'admin') {\n                relativePath = relativePath.replace(/^\\/admin\\//, '/' + config.admin + '/');\n            }\n\n            params = params || {};\n            if (includeSessKey) {\n                params.sesskey = config.sesskey;\n            }\n\n            var queryString = '';\n            if (Object.keys(params).length) {\n                queryString = $.map(params, function(value, param) {\n                    return param + '=' + value;\n                }).join('&');\n            }\n\n            if (queryString !== '') {\n                return config.wwwroot + relativePath + '?' + queryString;\n            } else {\n                return config.wwwroot + relativePath;\n            }\n        },\n\n        /**\n         * Wrapper for image_url function.\n         *\n         * @method imageUrl\n         * @param {string} imagename The image name (e.g. t/edit).\n         * @param {string} component The component (e.g. mod_feedback).\n         * @return {string}\n         */\n        imageUrl: function(imagename, component) {\n            return M.util.image_url(imagename, component);\n        }\n    };\n});\n"],"names":["define","$","config","fileUrl","relativeScript","slashArg","url","wwwroot","charAt","slasharguments","encodeURIComponent","relativeUrl","relativePath","params","includeSessKey","indexOf","Error","admin","replace","sesskey","queryString","Object","keys","length","map","value","param","join","imageUrl","imagename","component","M","util","image_url"],"mappings":";;;;;;;;;;AAyBAA,kBAAO,CAAC,SAAU,gBAAgB,SAASC,EAAGC,cAGL,CAUjCC,QAAS,SAASC,eAAgBC,cAE1BC,IAAMJ,OAAOK,QAAUH,qBAGD,KAAtBC,SAASG,OAAO,KAChBH,SAAW,IAAMA,UAEjBH,OAAOO,eACPH,KAAOD,SAEPC,KAAO,SAAWI,mBAAmBL,UAElCC,KAYXK,YAAa,SAASC,aAAcC,OAAQC,mBAEF,IAAlCF,aAAaG,QAAQ,UAAqD,IAAnCH,aAAaG,QAAQ,WAAmBH,aAAaG,QAAQ,QAAU,QACxG,IAAIC,MAAM,sDAIU,KAA1BJ,aAAaJ,OAAO,KACpBI,aAAe,IAAMA,cAIJ,UAAjBV,OAAOe,QACPL,aAAeA,aAAaM,QAAQ,aAAc,IAAMhB,OAAOe,MAAQ,MAG3EJ,OAASA,QAAU,GACfC,iBACAD,OAAOM,QAAUjB,OAAOiB,aAGxBC,YAAc,UACdC,OAAOC,KAAKT,QAAQU,SACpBH,YAAcnB,EAAEuB,IAAIX,QAAQ,SAASY,MAAOC,cACjCA,MAAQ,IAAMD,SACtBE,KAAK,MAGQ,KAAhBP,YACOlB,OAAOK,QAAUK,aAAe,IAAMQ,YAEtClB,OAAOK,QAAUK,cAYhCgB,SAAU,SAASC,UAAWC,kBACnBC,EAAEC,KAAKC,UAAUJ,UAAWC"}
\ No newline at end of file
diff --git a/lib/amd/build/user_date.min.js b/lib/amd/build/user_date.min.js
index 884e8034739..e18194b5cec 100644
--- a/lib/amd/build/user_date.min.js
+++ b/lib/amd/build/user_date.min.js
@@ -1,2 +1,11 @@
-define ("core/user_date",["jquery","core/ajax","core/sessionstorage","core/config"],function(a,b,c,d){var e={},f=function(b){var c=a("html").attr("lang").replace(/-/g,"_");return"core_user_date/"+c+"/"+d.usertimezone+"/"+b.timestamp+"/"+b.format},g=function(a){return c.get(a)},h=function(a,b){c.set(a,b)},i=function(a){return"undefined"!=typeof e[a]},j=function(a){return e[a]},k=function(a,b){e[a]=b},l=function(a){var c=a.map(function(a){var b=a.hasOwnProperty("fixday")?a.fixday:1,c=a.hasOwnProperty("fixhour")?a.fixhour:1;return{timestamp:a.timestamp,format:a.format,type:a.type||null,fixday:b,fixhour:c}}),e={methodname:"core_get_user_dates",args:{contextid:d.contextid,timestamps:c}};return b.call([e],!0,!0)[0].then(function(b){b.dates.forEach(function(b,c){var d=a[c],e=f(d);h(e,b);d.deferred.resolve(b)})}).catch(function(b){a.forEach(function(a){a.deferred.reject(b)})})};return{get:function get(b){var c=[],d=[];b.forEach(function(b){var e=f(b);if(i(e)){d.push(j(e))}else{var h=a.Deferred(),l=g(e);if(l){h.resolve(l)}else{b.deferred=h;c.push(b)}k(e,h.promise());d.push(h.promise())}});if(c.length){l(c)}return a.when.apply(a,d).then(function(){return 1===arguments.length?[arguments[0]]:Array.apply(null,arguments)})},getUserMidnightForTimestamp:function getUserMidnightForTimestamp(a,b){var c=a>b,d=Math.abs(a-b),e=c?Math.floor(d/86400):Math.ceil(d/86400),f=e*86400,g=c?b+f:b-f;return g}}});
-//# sourceMappingURL=user_date.min.js.map
+/**
+ * Fetch and render dates from timestamps.
+ *
+ * @module     core/user_date
+ * @package    core
+ * @copyright  2017 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core/user_date",["jquery","core/ajax","core/sessionstorage","core/config"],(function($,Ajax,Storage,Config){var promisesCache={},getKey=function(request){return"core_user_date/"+$("html").attr("lang").replace(/-/g,"_")+"/"+Config.usertimezone+"/"+request.timestamp+"/"+request.format},loadDatesFromServer=function(dates){var args=dates.map((function(data){var fixDay=data.hasOwnProperty("fixday")?data.fixday:1,fixHour=data.hasOwnProperty("fixhour")?data.fixhour:1;return{timestamp:data.timestamp,format:data.format,type:data.type||null,fixday:fixDay,fixhour:fixHour}})),request={methodname:"core_get_user_dates",args:{contextid:Config.contextid,timestamps:args}};return Ajax.call([request],!0,!0)[0].then((function(results){results.dates.forEach((function(value,index){var date=dates[index];!function(key,value){Storage.set(key,value)}(getKey(date),value),date.deferred.resolve(value)}))})).catch((function(ex){dates.forEach((function(date){date.deferred.reject(ex)}))}))};return{get:function(requests){var ajaxRequests=[],promises=[];return requests.forEach((function(request){var key=getKey(request);if(function(key){return void 0!==promisesCache[key]}(key))promises.push(function(key){return promisesCache[key]}(key));else{var deferred=$.Deferred(),cached=function(key){return Storage.get(key)}(key);cached?deferred.resolve(cached):(request.deferred=deferred,ajaxRequests.push(request)),function(key,promise){promisesCache[key]=promise}(key,deferred.promise()),promises.push(deferred.promise())}})),ajaxRequests.length&&loadDatesFromServer(ajaxRequests),$.when.apply($,promises).then((function(){return 1===arguments.length?[arguments[0]]:Array.apply(null,arguments)}))},getUserMidnightForTimestamp:function(timestamp,todayMidnight){var future=timestamp>todayMidnight,diffSeconds=Math.abs(timestamp-todayMidnight),diffDaysInSeconds=86400*(future?Math.floor(diffSeconds/86400):Math.ceil(diffSeconds/86400));return future?todayMidnight+diffDaysInSeconds:todayMidnight-diffDaysInSeconds}}}));
+
+//# sourceMappingURL=user_date.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/user_date.min.js.map b/lib/amd/build/user_date.min.js.map
index 0b1e5651241..ef706a083e3 100644
--- a/lib/amd/build/user_date.min.js.map
+++ b/lib/amd/build/user_date.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Fetch and render dates from timestamps.\n *\n * @module     core/user_date\n * @package    core\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/sessionstorage', 'core/config'],\n        function($, Ajax, Storage, Config) {\n\n    var SECONDS_IN_DAY = 86400;\n\n    /** @var {object} promisesCache Store all promises we've seen so far. */\n    var promisesCache = {};\n\n    /**\n     * Generate a cache key for the given request. The request should\n     * have a timestamp and format key.\n     *\n     * @param {object} request\n     * @return {string}\n     */\n    var getKey = function(request) {\n        var language = $('html').attr('lang').replace(/-/g, '_');\n        return 'core_user_date/' +\n               language + '/' +\n               Config.usertimezone + '/' +\n               request.timestamp + '/' +\n               request.format;\n    };\n\n    /**\n     * Retrieve a transformed date from the browser's storage.\n     *\n     * @param {string} key\n     * @return {string}\n     */\n    var getFromLocalStorage = function(key) {\n        return Storage.get(key);\n    };\n\n    /**\n     * Save the transformed date in the browser's storage.\n     *\n     * @param {string} key\n     * @param {string} value\n     */\n    var addToLocalStorage = function(key, value) {\n        Storage.set(key, value);\n    };\n\n    /**\n     * Check if a key is in the module's cache.\n     *\n     * @param {string} key\n     * @return {bool}\n     */\n    var inPromisesCache = function(key) {\n        return (typeof promisesCache[key] !== 'undefined');\n    };\n\n    /**\n     * Retrieve a promise from the module's cache.\n     *\n     * @param {string} key\n     * @return {object} jQuery promise\n     */\n    var getFromPromisesCache = function(key) {\n        return promisesCache[key];\n    };\n\n    /**\n     * Save the given promise in the module's cache.\n     *\n     * @param {string} key\n     * @param {object} promise\n     */\n    var addToPromisesCache = function(key, promise) {\n        promisesCache[key] = promise;\n    };\n\n    /**\n     * Send a request to the server for each of the required timestamp\n     * and format combinations.\n     *\n     * Resolves the date's deferred with the values returned from the\n     * server and saves the value in local storage.\n     *\n     * @param {array} dates\n     * @return {object} jQuery promise\n     */\n    var loadDatesFromServer = function(dates) {\n        var args = dates.map(function(data) {\n            var fixDay = data.hasOwnProperty('fixday') ? data.fixday : 1;\n            var fixHour = data.hasOwnProperty('fixhour') ? data.fixhour : 1;\n            return {\n                timestamp: data.timestamp,\n                format: data.format,\n                type: data.type || null,\n                fixday: fixDay,\n                fixhour: fixHour\n            };\n        });\n\n        var request = {\n            methodname: 'core_get_user_dates',\n            args: {\n                contextid: Config.contextid,\n                timestamps: args\n            }\n        };\n\n        return Ajax.call([request], true, true)[0].then(function(results) {\n            results.dates.forEach(function(value, index) {\n                var date = dates[index];\n                var key = getKey(date);\n\n                addToLocalStorage(key, value);\n                date.deferred.resolve(value);\n            });\n            return;\n        })\n        .catch(function(ex) {\n            // If we failed to retrieve the dates then reject the date's\n            // deferred objects to make sure they don't hang.\n            dates.forEach(function(date) {\n                date.deferred.reject(ex);\n            });\n        });\n    };\n\n    /**\n     * Takes an array of request objects and returns a promise that\n     * is resolved with an array of formatted dates.\n     *\n     * The values in the returned array will be ordered the same as\n     * the request array.\n     *\n     * This function will check both the module's static promises cache\n     * and the browser's session storage to see if the user dates have\n     * already been loaded in order to avoid sending a network request\n     * if possible.\n     *\n     * Only dates not found in either cache will be sent to the server\n     * for transforming.\n     *\n     * A request object must have a timestamp key and a format key and\n     * optionally may have a type key.\n     *\n     * E.g.\n     * var request = [\n     *     {\n     *         timestamp: 1293876000,\n     *         format: '%d %B %Y'\n     *     },\n     *     {\n     *         timestamp: 1293876000,\n     *         format: '%A, %d %B %Y, %I:%M %p',\n     *         type: 'gregorian',\n     *         fixday: false,\n     *         fixhour: false\n     *     }\n     * ];\n     *\n     * UserDate.get(request).done(function(dates) {\n     *     console.log(dates[0]); // prints \"1 January 2011\".\n     *     console.log(dates[1]); // prints \"Saturday, 1 January 2011, 10:00 AM\".\n     * });\n     *\n     * @param {array} requests\n     * @return {object} jQuery promise\n     */\n    var get = function(requests) {\n        var ajaxRequests = [];\n        var promises = [];\n\n        // Loop over each of the requested timestamp/format combos\n        // and add a promise to the promises array for them.\n        requests.forEach(function(request) {\n            var key = getKey(request);\n\n            // If we've already got a promise then use it.\n            if (inPromisesCache(key)) {\n                promises.push(getFromPromisesCache(key));\n            } else {\n                var deferred = $.Deferred();\n                var cached = getFromLocalStorage(key);\n\n                if (cached) {\n                    // If we were able to get the value from session storage\n                    // then we can resolve the deferred with that value. No\n                    // need to ask the server to transform it for us.\n                    deferred.resolve(cached);\n                } else {\n                    // Add this request to the list of ones we need to load\n                    // from the server. Include the deferred so that it can\n                    // be resolved when the server has responded with the\n                    // transformed values.\n                    request.deferred = deferred;\n                    ajaxRequests.push(request);\n                }\n\n                // Remember this promise for next time so that we can\n                // bail out early if it is requested again.\n                addToPromisesCache(key, deferred.promise());\n                promises.push(deferred.promise());\n            }\n        });\n\n        // If we have any requests that we couldn't resolve from the caches\n        // then let's ask the server to get them for us.\n        if (ajaxRequests.length) {\n            loadDatesFromServer(ajaxRequests);\n        }\n\n        // Wait for all of the promises to resolve. Some of them may be waiting\n        // for a response from the server.\n        return $.when.apply($, promises).then(function() {\n            // This looks complicated but it's just converting an unknown\n            // length of arguments into an array for the promise to resolve\n            // with.\n            return arguments.length === 1 ? [arguments[0]] : Array.apply(null, arguments);\n        });\n    };\n\n\n    /**\n     * For a given timestamp get the midnight value in the user's timezone.\n     *\n     * The calculation is performed relative to the user's midnight timestamp\n     * for today to ensure that timezones are preserved.\n     *\n     * E.g.\n     * Input:\n     * timestamp: 1514836800 (01/01/2018 8pm GMT)(02/01/2018 4am GMT+8)\n     * midnight: 1514851200 (02/01/2018 midnight GMT)\n     * Output:\n     * 1514764800 (01/01/2018 midnight GMT)\n     *\n     * Input:\n     * timestamp: 1514836800 (01/01/2018 8pm GMT)(02/01/2018 4am GMT+8)\n     * midnight: 1514822400 (02/01/2018 midnight GMT+8)\n     * Output:\n     * 1514822400 (02/01/2018 midnight GMT+8)\n     *\n     * @param {Number} timestamp The timestamp to calculate from\n     * @param {Number} todayMidnight The user's midnight timestamp\n     * @return {Number} The midnight value of the user's timestamp\n     */\n    var getUserMidnightForTimestamp = function(timestamp, todayMidnight) {\n        var future = timestamp > todayMidnight;\n        var diffSeconds = Math.abs(timestamp - todayMidnight);\n        var diffDays = future ? Math.floor(diffSeconds / SECONDS_IN_DAY) : Math.ceil(diffSeconds / SECONDS_IN_DAY);\n        var diffDaysInSeconds = diffDays * SECONDS_IN_DAY;\n        // Is the timestamp in the future or past?\n        var dayTimestamp = future ? todayMidnight + diffDaysInSeconds : todayMidnight - diffDaysInSeconds;\n        return dayTimestamp;\n    };\n\n    return {\n        get: get,\n        getUserMidnightForTimestamp: getUserMidnightForTimestamp\n    };\n});\n"],"file":"user_date.min.js"}
\ No newline at end of file
+{"version":3,"file":"user_date.min.js","sources":["../src/user_date.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Fetch and render dates from timestamps.\n *\n * @module     core/user_date\n * @package    core\n * @copyright  2017 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/sessionstorage', 'core/config'],\n        function($, Ajax, Storage, Config) {\n\n    var SECONDS_IN_DAY = 86400;\n\n    /** @var {object} promisesCache Store all promises we've seen so far. */\n    var promisesCache = {};\n\n    /**\n     * Generate a cache key for the given request. The request should\n     * have a timestamp and format key.\n     *\n     * @param {object} request\n     * @return {string}\n     */\n    var getKey = function(request) {\n        var language = $('html').attr('lang').replace(/-/g, '_');\n        return 'core_user_date/' +\n               language + '/' +\n               Config.usertimezone + '/' +\n               request.timestamp + '/' +\n               request.format;\n    };\n\n    /**\n     * Retrieve a transformed date from the browser's storage.\n     *\n     * @param {string} key\n     * @return {string}\n     */\n    var getFromLocalStorage = function(key) {\n        return Storage.get(key);\n    };\n\n    /**\n     * Save the transformed date in the browser's storage.\n     *\n     * @param {string} key\n     * @param {string} value\n     */\n    var addToLocalStorage = function(key, value) {\n        Storage.set(key, value);\n    };\n\n    /**\n     * Check if a key is in the module's cache.\n     *\n     * @param {string} key\n     * @return {bool}\n     */\n    var inPromisesCache = function(key) {\n        return (typeof promisesCache[key] !== 'undefined');\n    };\n\n    /**\n     * Retrieve a promise from the module's cache.\n     *\n     * @param {string} key\n     * @return {object} jQuery promise\n     */\n    var getFromPromisesCache = function(key) {\n        return promisesCache[key];\n    };\n\n    /**\n     * Save the given promise in the module's cache.\n     *\n     * @param {string} key\n     * @param {object} promise\n     */\n    var addToPromisesCache = function(key, promise) {\n        promisesCache[key] = promise;\n    };\n\n    /**\n     * Send a request to the server for each of the required timestamp\n     * and format combinations.\n     *\n     * Resolves the date's deferred with the values returned from the\n     * server and saves the value in local storage.\n     *\n     * @param {array} dates\n     * @return {object} jQuery promise\n     */\n    var loadDatesFromServer = function(dates) {\n        var args = dates.map(function(data) {\n            var fixDay = data.hasOwnProperty('fixday') ? data.fixday : 1;\n            var fixHour = data.hasOwnProperty('fixhour') ? data.fixhour : 1;\n            return {\n                timestamp: data.timestamp,\n                format: data.format,\n                type: data.type || null,\n                fixday: fixDay,\n                fixhour: fixHour\n            };\n        });\n\n        var request = {\n            methodname: 'core_get_user_dates',\n            args: {\n                contextid: Config.contextid,\n                timestamps: args\n            }\n        };\n\n        return Ajax.call([request], true, true)[0].then(function(results) {\n            results.dates.forEach(function(value, index) {\n                var date = dates[index];\n                var key = getKey(date);\n\n                addToLocalStorage(key, value);\n                date.deferred.resolve(value);\n            });\n            return;\n        })\n        .catch(function(ex) {\n            // If we failed to retrieve the dates then reject the date's\n            // deferred objects to make sure they don't hang.\n            dates.forEach(function(date) {\n                date.deferred.reject(ex);\n            });\n        });\n    };\n\n    /**\n     * Takes an array of request objects and returns a promise that\n     * is resolved with an array of formatted dates.\n     *\n     * The values in the returned array will be ordered the same as\n     * the request array.\n     *\n     * This function will check both the module's static promises cache\n     * and the browser's session storage to see if the user dates have\n     * already been loaded in order to avoid sending a network request\n     * if possible.\n     *\n     * Only dates not found in either cache will be sent to the server\n     * for transforming.\n     *\n     * A request object must have a timestamp key and a format key and\n     * optionally may have a type key.\n     *\n     * E.g.\n     * var request = [\n     *     {\n     *         timestamp: 1293876000,\n     *         format: '%d %B %Y'\n     *     },\n     *     {\n     *         timestamp: 1293876000,\n     *         format: '%A, %d %B %Y, %I:%M %p',\n     *         type: 'gregorian',\n     *         fixday: false,\n     *         fixhour: false\n     *     }\n     * ];\n     *\n     * UserDate.get(request).done(function(dates) {\n     *     console.log(dates[0]); // prints \"1 January 2011\".\n     *     console.log(dates[1]); // prints \"Saturday, 1 January 2011, 10:00 AM\".\n     * });\n     *\n     * @param {array} requests\n     * @return {object} jQuery promise\n     */\n    var get = function(requests) {\n        var ajaxRequests = [];\n        var promises = [];\n\n        // Loop over each of the requested timestamp/format combos\n        // and add a promise to the promises array for them.\n        requests.forEach(function(request) {\n            var key = getKey(request);\n\n            // If we've already got a promise then use it.\n            if (inPromisesCache(key)) {\n                promises.push(getFromPromisesCache(key));\n            } else {\n                var deferred = $.Deferred();\n                var cached = getFromLocalStorage(key);\n\n                if (cached) {\n                    // If we were able to get the value from session storage\n                    // then we can resolve the deferred with that value. 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[arguments[0]] : Array.apply(null, arguments);\n        });\n    };\n\n\n    /**\n     * For a given timestamp get the midnight value in the user's timezone.\n     *\n     * The calculation is performed relative to the user's midnight timestamp\n     * for today to ensure that timezones are preserved.\n     *\n     * E.g.\n     * Input:\n     * timestamp: 1514836800 (01/01/2018 8pm GMT)(02/01/2018 4am GMT+8)\n     * midnight: 1514851200 (02/01/2018 midnight GMT)\n     * Output:\n     * 1514764800 (01/01/2018 midnight GMT)\n     *\n     * Input:\n     * timestamp: 1514836800 (01/01/2018 8pm GMT)(02/01/2018 4am GMT+8)\n     * midnight: 1514822400 (02/01/2018 midnight GMT+8)\n     * Output:\n     * 1514822400 (02/01/2018 midnight GMT+8)\n     *\n     * @param {Number} timestamp The timestamp to calculate from\n     * @param {Number} todayMidnight The user's midnight timestamp\n     * @return {Number} The midnight value of the user's timestamp\n     */\n    var getUserMidnightForTimestamp = function(timestamp, todayMidnight) {\n        var future = timestamp > todayMidnight;\n        var diffSeconds = Math.abs(timestamp - todayMidnight);\n        var diffDays = future ? 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diff --git a/lib/amd/build/userfeedback.min.js b/lib/amd/build/userfeedback.min.js
index 03f8faf3389..f8a44e6909d 100644
--- a/lib/amd/build/userfeedback.min.js
+++ b/lib/amd/build/userfeedback.min.js
@@ -1,2 +1,10 @@
-define ("core/userfeedback",["exports","core/ajax","core/notification"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.registerEventListeners=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}var f={regions:{root:"[data-region=\"core/userfeedback\"]"},actions:{}};f.actions.give="".concat(f.regions.root," [data-action=\"give\"]");f.actions.remind="".concat(f.regions.root," [data-action=\"remind\"]");a.registerEventListeners=function registerEventListeners(){document.addEventListener("click",function(a){var b=a.target.closest(f.actions.give);if(b){a.preventDefault();if(!window.open(b.href)){throw new Error("Unable to open popup")}Promise.resolve(b).then(h).then(g).catch(c.default.exception)}var d=a.target.closest(f.actions.remind);if(d){a.preventDefault();Promise.resolve(d).then(h).then(g).catch(c.default.exception)}})};var g=function(a){if(a.dataset.record){return b.default.call([{methodname:"core_create_userfeedback_action_record",args:{action:a.dataset.action,contextid:M.cfg.contextid}}])[0]}return Promise.resolve()},h=function(a){if(a.dataset.hide){a.closest(f.regions.root).remove()}return a}});
-//# sourceMappingURL=userfeedback.min.js.map
+define("core/userfeedback",["exports","core/ajax","core/notification"],(function(_exports,_ajax,_notification){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Handle clicking on action links of the feedback alert.
+   *
+   * @module     core/cta_feedback
+   * @copyright  2020 Shamim Rezaie <shamim@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.registerEventListeners=void 0,_ajax=_interopRequireDefault(_ajax),_notification=_interopRequireDefault(_notification);var Selectors={regions:{root:'[data-region="core/userfeedback"]'},actions:{}};Selectors.actions.give="".concat(Selectors.regions.root,' [data-action="give"]'),Selectors.actions.remind="".concat(Selectors.regions.root,' [data-action="remind"]');_exports.registerEventListeners=function(){document.addEventListener("click",(function(e){var giveAction=e.target.closest(Selectors.actions.give);if(giveAction){if(e.preventDefault(),!window.open(giveAction.href))throw new Error("Unable to open popup");Promise.resolve(giveAction).then(hideRoot).then(recordAction).catch(_notification.default.exception)}var remindAction=e.target.closest(Selectors.actions.remind);remindAction&&(e.preventDefault(),Promise.resolve(remindAction).then(hideRoot).then(recordAction).catch(_notification.default.exception))}))};var recordAction=function(clickedItem){return clickedItem.dataset.record?_ajax.default.call([{methodname:"core_create_userfeedback_action_record",args:{action:clickedItem.dataset.action,contextid:M.cfg.contextid}}])[0]:Promise.resolve()},hideRoot=function(clickedItem){return clickedItem.dataset.hide&&clickedItem.closest(Selectors.regions.root).remove(),clickedItem}}));
+
+//# sourceMappingURL=userfeedback.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/userfeedback.min.js.map b/lib/amd/build/userfeedback.min.js.map
index 71fb5b65041..9ff4af5b3b3 100644
--- a/lib/amd/build/userfeedback.min.js.map
+++ b/lib/amd/build/userfeedback.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle clicking on action links of the feedback alert.\n *\n * @module     core/cta_feedback\n * @copyright  2020 Shamim Rezaie <shamim@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\nconst Selectors = {\n    regions: {\n        root: '[data-region=\"core/userfeedback\"]',\n    },\n    actions: {},\n};\nSelectors.actions.give = `${Selectors.regions.root} [data-action=\"give\"]`;\nSelectors.actions.remind = `${Selectors.regions.root} [data-action=\"remind\"]`;\n\n/**\n * Attach the necessary event handlers to the action links\n */\nexport const registerEventListeners = () => {\n    document.addEventListener('click', e => {\n        const giveAction = e.target.closest(Selectors.actions.give);\n        if (giveAction) {\n            e.preventDefault();\n\n            if (!window.open(giveAction.href)) {\n                throw new Error('Unable to open popup');\n            }\n\n            Promise.resolve(giveAction)\n                .then(hideRoot)\n                .then(recordAction)\n                .catch(Notification.exception);\n        }\n\n        const remindAction = e.target.closest(Selectors.actions.remind);\n        if (remindAction) {\n            e.preventDefault();\n\n            Promise.resolve(remindAction)\n                .then(hideRoot)\n                .then(recordAction)\n                .catch(Notification.exception);\n        }\n    });\n};\n\n/**\n * Record the action that the user took.\n *\n * @param {HTMLElement} clickedItem The action element that the user chose.\n * @returns {Promise}\n */\nconst recordAction = clickedItem => {\n    if (clickedItem.dataset.record) {\n        return Ajax.call([{\n            methodname: 'core_create_userfeedback_action_record',\n            args: {\n                action: clickedItem.dataset.action,\n                contextid: M.cfg.contextid,\n            }\n        }])[0];\n    }\n\n    return Promise.resolve();\n};\n\n/**\n * Hide the root node of the CTA notification.\n *\n * @param {HTMLElement} clickedItem The action element that the user chose.\n * @returns {HTMLElement}\n */\nconst hideRoot = clickedItem => {\n    if (clickedItem.dataset.hide) {\n        clickedItem.closest(Selectors.regions.root).remove();\n    }\n\n    return clickedItem;\n};\n"],"file":"userfeedback.min.js"}
\ No newline at end of file
+{"version":3,"file":"userfeedback.min.js","sources":["../src/userfeedback.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle clicking on action links of the feedback alert.\n *\n * @module     core/cta_feedback\n * @copyright  2020 Shamim Rezaie <shamim@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\nconst Selectors = {\n    regions: {\n        root: '[data-region=\"core/userfeedback\"]',\n    },\n    actions: {},\n};\nSelectors.actions.give = `${Selectors.regions.root} [data-action=\"give\"]`;\nSelectors.actions.remind = `${Selectors.regions.root} [data-action=\"remind\"]`;\n\n/**\n * Attach the necessary event handlers to the action links\n */\nexport const registerEventListeners = () => {\n    document.addEventListener('click', e => {\n        const giveAction = e.target.closest(Selectors.actions.give);\n        if (giveAction) {\n            e.preventDefault();\n\n            if (!window.open(giveAction.href)) {\n                throw new Error('Unable to open popup');\n            }\n\n            Promise.resolve(giveAction)\n                .then(hideRoot)\n                .then(recordAction)\n                .catch(Notification.exception);\n        }\n\n        const remindAction = e.target.closest(Selectors.actions.remind);\n        if (remindAction) {\n            e.preventDefault();\n\n            Promise.resolve(remindAction)\n                .then(hideRoot)\n                .then(recordAction)\n                .catch(Notification.exception);\n        }\n    });\n};\n\n/**\n * Record the action that the user took.\n *\n * @param {HTMLElement} clickedItem The action element that the user chose.\n * @returns {Promise}\n */\nconst recordAction = clickedItem => {\n    if (clickedItem.dataset.record) {\n        return Ajax.call([{\n            methodname: 'core_create_userfeedback_action_record',\n            args: {\n                action: clickedItem.dataset.action,\n                contextid: M.cfg.contextid,\n            }\n        }])[0];\n    }\n\n    return Promise.resolve();\n};\n\n/**\n * Hide the root node of the CTA notification.\n *\n * @param {HTMLElement} clickedItem The action element that the user chose.\n * @returns {HTMLElement}\n */\nconst hideRoot = clickedItem => {\n    if (clickedItem.dataset.hide) {\n        clickedItem.closest(Selectors.regions.root).remove();\n    }\n\n    return clickedItem;\n};\n"],"names":["Selectors","regions","root","actions","give","remind","document","addEventListener","e","giveAction","target","closest","preventDefault","window","open","href","Error","Promise","resolve","then","hideRoot","recordAction","catch","Notification","exception","remindAction","clickedItem","dataset","record","Ajax","call","methodname","args","action","contextid","M","cfg","hide","remove"],"mappings":";;;;;;;gMA0BMA,UAAY,CACdC,QAAS,CACLC,KAAM,qCAEVC,QAAS,IAEbH,UAAUG,QAAQC,eAAUJ,UAAUC,QAAQC,8BAC9CF,UAAUG,QAAQE,iBAAYL,UAAUC,QAAQC,gEAKV,WAClCI,SAASC,iBAAiB,SAAS,SAAAC,OACzBC,WAAaD,EAAEE,OAAOC,QAAQX,UAAUG,QAAQC,SAClDK,WAAY,IACZD,EAAEI,kBAEGC,OAAOC,KAAKL,WAAWM,YAClB,IAAIC,MAAM,wBAGpBC,QAAQC,QAAQT,YACXU,KAAKC,UACLD,KAAKE,cACLC,MAAMC,sBAAaC,eAGtBC,aAAejB,EAAEE,OAAOC,QAAQX,UAAUG,QAAQE,QACpDoB,eACAjB,EAAEI,iBAEFK,QAAQC,QAAQO,cACXN,KAAKC,UACLD,KAAKE,cACLC,MAAMC,sBAAaC,oBAW9BH,aAAe,SAAAK,oBACbA,YAAYC,QAAQC,OACbC,cAAKC,KAAK,CAAC,CACdC,WAAY,yCACZC,KAAM,CACFC,OAAQP,YAAYC,QAAQM,OAC5BC,UAAWC,EAAEC,IAAIF,cAErB,GAGDjB,QAAQC,WASbE,SAAW,SAAAM,oBACTA,YAAYC,QAAQU,MACpBX,YAAYf,QAAQX,UAAUC,QAAQC,MAAMoC,SAGzCZ"}
\ No newline at end of file
diff --git a/lib/amd/build/utils.min.js b/lib/amd/build/utils.min.js
index cac6dac72a3..db732231c1b 100644
--- a/lib/amd/build/utils.min.js
+++ b/lib/amd/build/utils.min.js
@@ -1,2 +1,3 @@
-define ("core/utils",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.throttle=a.debounce=void 0;a.throttle=function throttle(a,b){var c=!1,d=null,e=function(){for(var f=arguments.length,g=Array(f),h=0;h<f;h++){g[h]=arguments[h]}if(null===d){d=!1}else{d=!0}if(c){return}a.apply(this,g);c=!0;setTimeout(function(){var a=d;c=!1;d=null;if(a){e(g)}},b)};return e};a.debounce=function debounce(a,b){var c=null;return function(){for(var d=this,e=arguments.length,f=Array(e),g=0;g<e;g++){f[g]=arguments[g]}clearTimeout(c);c=setTimeout(function(){a.apply(d,f)},b)}}});
-//# sourceMappingURL=utils.min.js.map
+define("core/utils",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.throttle=_exports.debounce=void 0;_exports.throttle=function(func,wait){var onCooldown=!1,runAgain=null;return function run(){for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];runAgain=null!==runAgain,onCooldown||(func.apply(this,args),onCooldown=!0,setTimeout((function(){var recurse=runAgain;onCooldown=!1,runAgain=null,recurse&&run(args)}),wait))}};_exports.debounce=function(func,wait){var timeout=null;return function(){for(var _this=this,_len2=arguments.length,args=new Array(_len2),_key2=0;_key2<_len2;_key2++)args[_key2]=arguments[_key2];clearTimeout(timeout),timeout=setTimeout((function(){func.apply(_this,args)}),wait)}}}));
+
+//# sourceMappingURL=utils.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/utils.min.js.map b/lib/amd/build/utils.min.js.map
index 5d083626c27..8d60de5a4ab 100644
--- a/lib/amd/build/utils.min.js.map
+++ b/lib/amd/build/utils.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/utils.js"],"names":["throttle","func","wait","onCooldown","runAgain","run","args","apply","setTimeout","recurse","debounce","timeout","clearTimeout"],"mappings":"mJAkCwB,QAAXA,CAAAA,QAAW,CAACC,CAAD,CAAOC,CAAP,CAAgB,IAChCC,CAAAA,CAAU,GADsB,CAEhCC,CAAQ,CAAG,IAFqB,CAG9BC,CAAG,CAAG,UAAkB,4BAANC,CAAM,uBAANA,CAAM,iBAC1B,GAAiB,IAAb,GAAAF,CAAJ,CAAuB,CAEnBA,CAAQ,GACX,CAHD,IAGO,CAGHA,CAAQ,GACX,CAED,GAAID,CAAJ,CAAgB,CAEZ,MACH,CAEDF,CAAI,CAACM,KAAL,CAAW,IAAX,CAAiBD,CAAjB,EACAH,CAAU,GAAV,CAEAK,UAAU,CAAC,UAAM,CACb,GAAMC,CAAAA,CAAO,CAAGL,CAAhB,CACAD,CAAU,GAAV,CACAC,CAAQ,CAAG,IAAX,CAEA,GAAIK,CAAJ,CAAa,CACTJ,CAAG,CAACC,CAAD,CACN,CACJ,CARS,CAQPJ,CARO,CASb,CA9BmC,CAgCpC,MAAOG,CAAAA,CACV,C,YAWuB,QAAXK,CAAAA,QAAW,CAACT,CAAD,CAAOC,CAAP,CAAgB,CACpC,GAAIS,CAAAA,CAAO,CAAG,IAAd,CACA,MAAO,WAAkB,mCAANL,CAAM,uBAANA,CAAM,iBACrBM,YAAY,CAACD,CAAD,CAAZ,CACAA,CAAO,CAAGH,UAAU,CAAC,UAAM,CACvBP,CAAI,CAACM,KAAL,CAAW,CAAX,CAAiBD,CAAjB,CACH,CAFmB,CAEjBJ,CAFiB,CAGvB,CACJ,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Utility functions.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n /**\n  * Create a wrapper function to throttle the execution of the given\n  * function to at most once every specified period.\n  *\n  * If the function is attempted to be executed while it's in cooldown\n  * (during the wait period) then it'll immediately execute again as\n  * soon as the cooldown is over.\n  *\n  * @param {Function} func The function to throttle\n  * @param {Number} wait The number of milliseconds to wait between executions\n  * @return {Function}\n  */\nexport const throttle = (func, wait) => {\n    let onCooldown = false;\n    let runAgain = null;\n    const run = function(...args) {\n        if (runAgain === null) {\n            // This is the first time the function has been called.\n            runAgain = false;\n        } else {\n            // This function has been called a second time during the wait period\n            // so re-run it once the wait period is over.\n            runAgain = true;\n        }\n\n        if (onCooldown) {\n            // Function has already run for this wait period.\n            return;\n        }\n\n        func.apply(this, args);\n        onCooldown = true;\n\n        setTimeout(() => {\n            const recurse = runAgain;\n            onCooldown = false;\n            runAgain = null;\n\n            if (recurse) {\n                run(args);\n            }\n        }, wait);\n    };\n\n    return run;\n};\n\n/**\n  * Create a wrapper function to debounce the execution of the given\n  * function. Each attempt to execute the function will reset the cooldown\n  * period.\n  *\n  * @param {Function} func The function to debounce\n  * @param {Number} wait The number of milliseconds to wait after the final attempt to execute\n  * @return {Function}\n  */\nexport const debounce = (func, wait) => {\n    let timeout = null;\n    return function(...args) {\n        clearTimeout(timeout);\n        timeout = setTimeout(() => {\n            func.apply(this, args);\n        }, wait);\n    };\n};\n"],"file":"utils.min.js"}
\ No newline at end of file
+{"version":3,"file":"utils.min.js","sources":["../src/utils.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Utility functions.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n /**\n  * Create a wrapper function to throttle the execution of the given\n  * function to at most once every specified period.\n  *\n  * If the function is attempted to be executed while it's in cooldown\n  * (during the wait period) then it'll immediately execute again as\n  * soon as the cooldown is over.\n  *\n  * @param {Function} func The function to throttle\n  * @param {Number} wait The number of milliseconds to wait between executions\n  * @return {Function}\n  */\nexport const throttle = (func, wait) => {\n    let onCooldown = false;\n    let runAgain = null;\n    const run = function(...args) {\n        if (runAgain === null) {\n            // This is the first time the function has been called.\n            runAgain = false;\n        } else {\n            // This function has been called a second time during the wait period\n            // so re-run it once the wait period is over.\n            runAgain = true;\n        }\n\n        if (onCooldown) {\n            // Function has already run for this wait period.\n            return;\n        }\n\n        func.apply(this, args);\n        onCooldown = true;\n\n        setTimeout(() => {\n            const recurse = runAgain;\n            onCooldown = false;\n            runAgain = null;\n\n            if (recurse) {\n                run(args);\n            }\n        }, wait);\n    };\n\n    return run;\n};\n\n/**\n  * Create a wrapper function to debounce the execution of the given\n  * function. Each attempt to execute the function will reset the cooldown\n  * period.\n  *\n  * @param {Function} func The function to debounce\n  * @param {Number} wait The number of milliseconds to wait after the final attempt to execute\n  * @return {Function}\n  */\nexport const debounce = (func, wait) => {\n    let timeout = null;\n    return function(...args) {\n        clearTimeout(timeout);\n        timeout = setTimeout(() => {\n            func.apply(this, args);\n        }, wait);\n    };\n};\n"],"names":["func","wait","onCooldown","runAgain","run","args","apply","this","setTimeout","recurse","timeout","clearTimeout","_this"],"mappings":"yKAkCwB,SAACA,KAAMC,UACvBC,YAAa,EACbC,SAAW,YACH,SAANC,oCAAkBC,6CAAAA,2BAGhBF,SAFa,OAAbA,SASAD,aAKJF,KAAKM,MAAMC,KAAMF,MACjBH,YAAa,EAEbM,YAAW,eACDC,QAAUN,SAChBD,YAAa,EACbC,SAAW,KAEPM,SACAL,IAAIC,QAETJ,2BAea,SAACD,KAAMC,UACvBS,QAAU,YACP,qDAAYL,kDAAAA,6BACfM,aAAaD,SACbA,QAAUF,YAAW,WACjBR,KAAKM,MAAMM,MAAMP,QAClBJ"}
\ No newline at end of file
diff --git a/lib/amd/build/yui.min.js b/lib/amd/build/yui.min.js
index b6fdd52aebc..b561bacc371 100644
--- a/lib/amd/build/yui.min.js
+++ b/lib/amd/build/yui.min.js
@@ -1,2 +1,13 @@
-define ("core/yui",function(){return Y});
-//# sourceMappingURL=yui.min.js.map
+/**
+ * Expose the global YUI variable. Note: This is only for scripts that are writing AMD
+ * wrappers for YUI functionality. This is not for plugins.
+ *
+ * @module     core/yui
+ * @package    core
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      2.9
+ */
+define("core/yui",(function(){return Y}));
+
+//# sourceMappingURL=yui.min.js.map
\ No newline at end of file
diff --git a/lib/amd/build/yui.min.js.map b/lib/amd/build/yui.min.js.map
index eacac072f65..65d51939ec8 100644
--- a/lib/amd/build/yui.min.js.map
+++ b/lib/amd/build/yui.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/yui.js"],"names":["define","Y"],"mappings":"AAyBAA,OAAM,YAAC,UAAW,CAId,MAAqCC,CAAAA,CACxC,CALK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Expose the global YUI variable. Note: This is only for scripts that are writing AMD\n * wrappers for YUI functionality. This is not for plugins.\n *\n * @module     core/yui\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(function() {\n\n    // This module exposes only the global yui instance.\n    /* global Y */\n    return /** @alias module:core/yui */ Y;\n});\n"],"file":"yui.min.js"}
\ No newline at end of file
+{"version":3,"file":"yui.min.js","sources":["../src/yui.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Expose the global YUI variable. Note: This is only for scripts that are writing AMD\n * wrappers for YUI functionality. This is not for plugins.\n *\n * @module     core/yui\n * @package    core\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\ndefine(function() {\n\n    // This module exposes only the global yui instance.\n    /* global Y */\n    return /** @alias module:core/yui */ Y;\n});\n"],"names":["define","Y"],"mappings":";;;;;;;;;;AAyBAA,mBAAO,kBAIkCC"}
\ No newline at end of file
diff --git a/lib/form/amd/build/defaultcustom.min.js b/lib/form/amd/build/defaultcustom.min.js
index 83fa450b68a..e87878deb3a 100644
--- a/lib/form/amd/build/defaultcustom.min.js
+++ b/lib/form/amd/build/defaultcustom.min.js
@@ -1,2 +1,13 @@
-define ("core_form/defaultcustom",["jquery"],function(a){a("body").on("change","input[data-defaultcustom=true]",function onChangeSelect(b){var c=a(b.target),d=JSON.parse(c.attr("data-defaultvalue")),e=JSON.parse(c.attr("data-customvalue")),f=c.attr("data-type"),g=c.closest("form"),h=c.attr("name").replace(/\[customize\]$/,"[value]"),i=c.prop("checked")?e:d;if("text"===f){g.find("[name=\""+h+"\"]").val(i)}else if("date_selector"===f){g.find("[name=\""+h+"[day]\"]").val(i.day);g.find("[name=\""+h+"[month]\"]").val(i.month);g.find("[name=\""+h+"[year]\"]").val(i.year)}else if("date_time_selector"===f){g.find("[name=\""+h+"[day]\"]").val(i.day);g.find("[name=\""+h+"[month]\"]").val(i.month);g.find("[name=\""+h+"[year]\"]").val(i.year);g.find("[name=\""+h+"[hour]\"]").val(i.hour);g.find("[name=\""+h+"[minute]\"]").val(i.minute)}})});
-//# sourceMappingURL=defaultcustom.min.js.map
+/**
+ * Functionality for the form element defaultcustom
+ *
+ * @module     core_form/defaultcustom
+ * @package    core_form
+ * @class      defaultcustom
+ * @copyright  2017 Marina Glancy
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.3
+ */
+define("core_form/defaultcustom",["jquery"],(function($){$("body").on("change","input[data-defaultcustom=true]",(function(event){var element=$(event.target),defaultvalue=JSON.parse(element.attr("data-defaultvalue")),customvalue=JSON.parse(element.attr("data-customvalue")),type=element.attr("data-type"),form=element.closest("form"),elementName=element.attr("name").replace(/\[customize\]$/,"[value]"),newvalue=element.prop("checked")?customvalue:defaultvalue;"text"===type?form.find('[name="'+elementName+'"]').val(newvalue):"date_selector"===type?(form.find('[name="'+elementName+'[day]"]').val(newvalue.day),form.find('[name="'+elementName+'[month]"]').val(newvalue.month),form.find('[name="'+elementName+'[year]"]').val(newvalue.year)):"date_time_selector"===type&&(form.find('[name="'+elementName+'[day]"]').val(newvalue.day),form.find('[name="'+elementName+'[month]"]').val(newvalue.month),form.find('[name="'+elementName+'[year]"]').val(newvalue.year),form.find('[name="'+elementName+'[hour]"]').val(newvalue.hour),form.find('[name="'+elementName+'[minute]"]').val(newvalue.minute))}))}));
+
+//# sourceMappingURL=defaultcustom.min.js.map
\ No newline at end of file
diff --git a/lib/form/amd/build/defaultcustom.min.js.map b/lib/form/amd/build/defaultcustom.min.js.map
index b1cd6c83c1f..f8ca9546040 100644
--- a/lib/form/amd/build/defaultcustom.min.js.map
+++ b/lib/form/amd/build/defaultcustom.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/defaultcustom.js"],"names":["define","$","on","onChangeSelect","event","element","target","defaultvalue","JSON","parse","attr","customvalue","type","form","closest","elementName","replace","newvalue","prop","find","val","day","month","year","hour","minute"],"mappings":"AAyBAA,OAAM,2BAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CA0B3BA,CAAC,CAAC,MAAD,CAAD,CAAUC,EAAV,CAAa,QAAb,CADe,gCACf,CAzBqB,QAAjBC,CAAAA,cAAiB,CAASC,CAAT,CAAgB,CACjC,GAAIC,CAAAA,CAAO,CAAGJ,CAAC,CAACG,CAAK,CAACE,MAAP,CAAf,CACIC,CAAY,CAAGC,IAAI,CAACC,KAAL,CAAWJ,CAAO,CAACK,IAAR,CAAa,mBAAb,CAAX,CADnB,CAEIC,CAAW,CAAGH,IAAI,CAACC,KAAL,CAAWJ,CAAO,CAACK,IAAR,CAAa,kBAAb,CAAX,CAFlB,CAGIE,CAAI,CAAGP,CAAO,CAACK,IAAR,CAAa,WAAb,CAHX,CAIIG,CAAI,CAAGR,CAAO,CAACS,OAAR,CAAgB,MAAhB,CAJX,CAKIC,CAAW,CAAGV,CAAO,CAACK,IAAR,CAAa,MAAb,EAAqBM,OAArB,CAA6B,gBAA7B,CAA+C,SAA/C,CALlB,CAMIC,CAAQ,CAAGZ,CAAO,CAACa,IAAR,CAAa,SAAb,EAA0BP,CAA1B,CAAwCJ,CANvD,CAQA,GAAa,MAAT,GAAAK,CAAJ,CAAqB,CACjBC,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,KAApC,EAA0CK,GAA1C,CAA8CH,CAA9C,CACH,CAFD,IAEO,IAAa,eAAT,GAAAL,CAAJ,CAA8B,CACjCC,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,UAApC,EAA+CK,GAA/C,CAAmDH,CAAQ,CAACI,GAA5D,EACAR,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,YAApC,EAAiDK,GAAjD,CAAqDH,CAAQ,CAACK,KAA9D,EACAT,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,WAApC,EAAgDK,GAAhD,CAAoDH,CAAQ,CAACM,IAA7D,CACH,CAJM,IAIA,IAAa,oBAAT,GAAAX,CAAJ,CAAmC,CACtCC,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,UAApC,EAA+CK,GAA/C,CAAmDH,CAAQ,CAACI,GAA5D,EACAR,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,YAApC,EAAiDK,GAAjD,CAAqDH,CAAQ,CAACK,KAA9D,EACAT,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,WAApC,EAAgDK,GAAhD,CAAoDH,CAAQ,CAACM,IAA7D,EACAV,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,WAApC,EAAgDK,GAAhD,CAAoDH,CAAQ,CAACO,IAA7D,EACAX,CAAI,CAACM,IAAL,CAAU,WAAYJ,CAAZ,CAA0B,aAApC,EAAkDK,GAAlD,CAAsDH,CAAQ,CAACQ,MAA/D,CACH,CACJ,CAGD,CACH,CA3BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Functionality for the form element defaultcustom\n *\n * @module     core_form/defaultcustom\n * @package    core_form\n * @class      defaultcustom\n * @copyright  2017 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.3\n */\ndefine(['jquery'], function($) {\n    var onChangeSelect = function(event) {\n        var element = $(event.target),\n            defaultvalue = JSON.parse(element.attr('data-defaultvalue')),\n            customvalue = JSON.parse(element.attr('data-customvalue')),\n            type = element.attr('data-type'),\n            form = element.closest('form'),\n            elementName = element.attr('name').replace(/\\[customize\\]$/, '[value]'),\n            newvalue = element.prop('checked') ? customvalue : defaultvalue;\n\n        if (type === 'text') {\n            form.find('[name=\"' + elementName + '\"]').val(newvalue);\n        } else if (type === 'date_selector') {\n            form.find('[name=\"' + elementName + '[day]\"]').val(newvalue.day);\n            form.find('[name=\"' + elementName + '[month]\"]').val(newvalue.month);\n            form.find('[name=\"' + elementName + '[year]\"]').val(newvalue.year);\n        } else if (type === 'date_time_selector') {\n            form.find('[name=\"' + elementName + '[day]\"]').val(newvalue.day);\n            form.find('[name=\"' + elementName + '[month]\"]').val(newvalue.month);\n            form.find('[name=\"' + elementName + '[year]\"]').val(newvalue.year);\n            form.find('[name=\"' + elementName + '[hour]\"]').val(newvalue.hour);\n            form.find('[name=\"' + elementName + '[minute]\"]').val(newvalue.minute);\n        }\n    };\n\n    var selector = 'input[data-defaultcustom=true]';\n    $('body').on('change', selector, onChangeSelect);\n});\n"],"file":"defaultcustom.min.js"}
\ No newline at end of file
+{"version":3,"file":"defaultcustom.min.js","sources":["../src/defaultcustom.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Functionality for the form element defaultcustom\n *\n * @module     core_form/defaultcustom\n * @package    core_form\n * @class      defaultcustom\n * @copyright  2017 Marina Glancy\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.3\n */\ndefine(['jquery'], function($) {\n    var onChangeSelect = function(event) {\n        var element = $(event.target),\n            defaultvalue = JSON.parse(element.attr('data-defaultvalue')),\n            customvalue = JSON.parse(element.attr('data-customvalue')),\n            type = element.attr('data-type'),\n            form = element.closest('form'),\n            elementName = element.attr('name').replace(/\\[customize\\]$/, '[value]'),\n            newvalue = element.prop('checked') ? customvalue : defaultvalue;\n\n        if (type === 'text') {\n            form.find('[name=\"' + elementName + '\"]').val(newvalue);\n        } else if (type === 'date_selector') {\n            form.find('[name=\"' + elementName + '[day]\"]').val(newvalue.day);\n            form.find('[name=\"' + elementName + '[month]\"]').val(newvalue.month);\n            form.find('[name=\"' + elementName + '[year]\"]').val(newvalue.year);\n        } else if (type === 'date_time_selector') {\n            form.find('[name=\"' + elementName + '[day]\"]').val(newvalue.day);\n            form.find('[name=\"' + elementName + '[month]\"]').val(newvalue.month);\n            form.find('[name=\"' + elementName + '[year]\"]').val(newvalue.year);\n            form.find('[name=\"' + elementName + '[hour]\"]').val(newvalue.hour);\n            form.find('[name=\"' + elementName + '[minute]\"]').val(newvalue.minute);\n        }\n    };\n\n    var selector = 'input[data-defaultcustom=true]';\n    $('body').on('change', selector, onChangeSelect);\n});\n"],"names":["define","$","on","event","element","target","defaultvalue","JSON","parse","attr","customvalue","type","form","closest","elementName","replace","newvalue","prop","find","val","day","month","year","hour","minute"],"mappings":";;;;;;;;;;AAyBAA,iCAAO,CAAC,WAAW,SAASC,GA0BxBA,EAAE,QAAQC,GAAG,SADE,kCAxBM,SAASC,WACtBC,QAAUH,EAAEE,MAAME,QAClBC,aAAeC,KAAKC,MAAMJ,QAAQK,KAAK,sBACvCC,YAAcH,KAAKC,MAAMJ,QAAQK,KAAK,qBACtCE,KAAOP,QAAQK,KAAK,aACpBG,KAAOR,QAAQS,QAAQ,QACvBC,YAAcV,QAAQK,KAAK,QAAQM,QAAQ,iBAAkB,WAC7DC,SAAWZ,QAAQa,KAAK,WAAaP,YAAcJ,aAE1C,SAATK,KACAC,KAAKM,KAAK,UAAYJ,YAAc,MAAMK,IAAIH,UAC9B,kBAATL,MACPC,KAAKM,KAAK,UAAYJ,YAAc,WAAWK,IAAIH,SAASI,KAC5DR,KAAKM,KAAK,UAAYJ,YAAc,aAAaK,IAAIH,SAASK,OAC9DT,KAAKM,KAAK,UAAYJ,YAAc,YAAYK,IAAIH,SAASM,OAC7C,uBAATX,OACPC,KAAKM,KAAK,UAAYJ,YAAc,WAAWK,IAAIH,SAASI,KAC5DR,KAAKM,KAAK,UAAYJ,YAAc,aAAaK,IAAIH,SAASK,OAC9DT,KAAKM,KAAK,UAAYJ,YAAc,YAAYK,IAAIH,SAASM,MAC7DV,KAAKM,KAAK,UAAYJ,YAAc,YAAYK,IAAIH,SAASO,MAC7DX,KAAKM,KAAK,UAAYJ,YAAc,cAAcK,IAAIH,SAASQ"}
\ No newline at end of file
diff --git a/lib/form/amd/build/events.min.js b/lib/form/amd/build/events.min.js
index 05bbda9bcb6..a4902077210 100644
--- a/lib/form/amd/build/events.min.js
+++ b/lib/form/amd/build/events.min.js
@@ -1,2 +1,13 @@
-define ("core_form/events",["exports","core/str"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.triggerUploadStarted=a.triggerUploadCompleted=a.formEventTypes=void 0;var c;(0,b.get_string)("changesmadereallygoaway","moodle").then(function(a){c=a;return a}).catch();var d=function(a){if(a){a.returnValue=c}},e={uploadStarted:"core_form/uploadStarted",uploadCompleted:"core_form/uploadCompleted"};a.formEventTypes=e;a.triggerUploadStarted=function triggerUploadStarted(a){window.addEventListener("beforeunload",d);var b=new CustomEvent(e.uploadStarted,{bubbles:!0,cancellable:!1}),c=document.getElementById(a);c.dispatchEvent(b);return b};a.triggerUploadCompleted=function triggerUploadCompleted(a){window.removeEventListener("beforeunload",d);var b=new CustomEvent(e.uploadCompleted,{bubbles:!0,cancellable:!1}),c=document.getElementById(a);c.dispatchEvent(b);return b}});
-//# sourceMappingURL=events.min.js.map
+define("core_form/events",["exports","core/str"],(function(_exports,_str){
+/**
+   * Contain the events the form component can trigger.
+   *
+   * @module core_form/events
+   * @package core_form
+   * @copyright 2021 Huong Nguyen <huongnv13@gmail.com>
+   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   * @since 3.10
+   */
+var changesMadeString;Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.triggerUploadStarted=_exports.triggerUploadCompleted=_exports.formEventTypes=void 0,(0,_str.get_string)("changesmadereallygoaway","moodle").then((function(string){return changesMadeString=string,string})).catch();var changesMadeCheck=function(e){e&&(e.returnValue=changesMadeString)},formEventTypes={uploadStarted:"core_form/uploadStarted",uploadCompleted:"core_form/uploadCompleted"};_exports.formEventTypes=formEventTypes;_exports.triggerUploadStarted=function(elementId){window.addEventListener("beforeunload",changesMadeCheck);var customEvent=new CustomEvent(formEventTypes.uploadStarted,{bubbles:!0,cancellable:!1});return document.getElementById(elementId).dispatchEvent(customEvent),customEvent};_exports.triggerUploadCompleted=function(elementId){window.removeEventListener("beforeunload",changesMadeCheck);var customEvent=new CustomEvent(formEventTypes.uploadCompleted,{bubbles:!0,cancellable:!1});return document.getElementById(elementId).dispatchEvent(customEvent),customEvent}}));
+
+//# sourceMappingURL=events.min.js.map
\ No newline at end of file
diff --git a/lib/form/amd/build/events.min.js.map b/lib/form/amd/build/events.min.js.map
index d1ec8e2c5d8..4b7f6a0777c 100644
--- a/lib/form/amd/build/events.min.js.map
+++ b/lib/form/amd/build/events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/events.js"],"names":["changesMadeString","then","string","catch","changesMadeCheck","e","returnValue","formEventTypes","uploadStarted","uploadCompleted","triggerUploadStarted","elementId","window","addEventListener","customEvent","CustomEvent","bubbles","cancellable","element","document","getElementById","dispatchEvent","triggerUploadCompleted","removeEventListener"],"mappings":"sMA2BA,GAAIA,CAAAA,CAAJ,CACA,iBAAU,yBAAV,CAAqC,QAArC,EAA+CC,IAA/C,CAAoD,SAAAC,CAAM,CAAI,CAC1DF,CAAiB,CAAGE,CAApB,CACA,MAAOA,CAAAA,CACV,CAHD,EAGGC,KAHH,G,GASMC,CAAAA,CAAgB,CAAG,SAAAC,CAAC,CAAI,CAC1B,GAAIA,CAAJ,CAAO,CACHA,CAAC,CAACC,WAAF,CAAgBN,CACnB,CACJ,C,CAKYO,CAAc,CAAG,CAC1BC,aAAa,CAAE,yBADW,CAE1BC,eAAe,CAAE,2BAFS,C,2CAWM,QAAvBC,CAAAA,oBAAuB,CAAAC,CAAS,CAAI,CAE7CC,MAAM,CAACC,gBAAP,CAAwB,cAAxB,CAAwCT,CAAxC,EAF6C,GAGvCU,CAAAA,CAAW,CAAG,GAAIC,CAAAA,WAAJ,CAAgBR,CAAc,CAACC,aAA/B,CAA8C,CAC9DQ,OAAO,GADuD,CAE9DC,WAAW,GAFmD,CAA9C,CAHyB,CAOvCC,CAAO,CAAGC,QAAQ,CAACC,cAAT,CAAwBT,CAAxB,CAP6B,CAQ7CO,CAAO,CAACG,aAAR,CAAsBP,CAAtB,EAEA,MAAOA,CAAAA,CACV,C,0BAQqC,QAAzBQ,CAAAA,sBAAyB,CAAAX,CAAS,CAAI,CAE/CC,MAAM,CAACW,mBAAP,CAA2B,cAA3B,CAA2CnB,CAA3C,EAF+C,GAGzCU,CAAAA,CAAW,CAAG,GAAIC,CAAAA,WAAJ,CAAgBR,CAAc,CAACE,eAA/B,CAAgD,CAChEO,OAAO,GADyD,CAEhEC,WAAW,GAFqD,CAAhD,CAH2B,CAOzCC,CAAO,CAAGC,QAAQ,CAACC,cAAT,CAAwBT,CAAxB,CAP+B,CAQ/CO,CAAO,CAACG,aAAR,CAAsBP,CAAtB,EAEA,MAAOA,CAAAA,CACV,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events the form component can trigger.\n *\n * @module core_form/events\n * @package core_form\n * @copyright 2021 Huong Nguyen <huongnv13@gmail.com>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 3.10\n */\n\nimport {get_string as getString} from 'core/str';\n\nlet changesMadeString;\ngetString('changesmadereallygoaway', 'moodle').then(string => {\n    changesMadeString = string;\n    return string;\n}).catch();\n\n/**\n * Prevent user navigate away when upload progress still running.\n * @param {Event} e The event\n */\nconst changesMadeCheck = e => {\n    if (e) {\n        e.returnValue = changesMadeString;\n    }\n};\n\n/**\n * List of the events.\n **/\nexport const formEventTypes = {\n    uploadStarted: 'core_form/uploadStarted',\n    uploadCompleted: 'core_form/uploadCompleted',\n};\n\n/**\n * Trigger upload start event.\n *\n * @param {String} elementId\n * @returns {CustomEvent<unknown>}\n */\nexport const triggerUploadStarted = elementId => {\n    // Add an additional check for changes made.\n    window.addEventListener('beforeunload', changesMadeCheck);\n    const customEvent = new CustomEvent(formEventTypes.uploadStarted, {\n        bubbles: true,\n        cancellable: false\n    });\n    const element = document.getElementById(elementId);\n    element.dispatchEvent(customEvent);\n\n    return customEvent;\n};\n\n/**\n * Trigger upload complete event.\n *\n * @param {String} elementId\n * @returns {CustomEvent<unknown>}\n */\nexport const triggerUploadCompleted = elementId => {\n    // Remove the additional check for changes made.\n    window.removeEventListener('beforeunload', changesMadeCheck);\n    const customEvent = new CustomEvent(formEventTypes.uploadCompleted, {\n        bubbles: true,\n        cancellable: false\n    });\n    const element = document.getElementById(elementId);\n    element.dispatchEvent(customEvent);\n\n    return customEvent;\n};\n"],"file":"events.min.js"}
\ No newline at end of file
+{"version":3,"file":"events.min.js","sources":["../src/events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events the form component can trigger.\n *\n * @module core_form/events\n * @package core_form\n * @copyright 2021 Huong Nguyen <huongnv13@gmail.com>\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 3.10\n */\n\nimport {get_string as getString} from 'core/str';\n\nlet changesMadeString;\ngetString('changesmadereallygoaway', 'moodle').then(string => {\n    changesMadeString = string;\n    return string;\n}).catch();\n\n/**\n * Prevent user navigate away when upload progress still running.\n * @param {Event} e The event\n */\nconst changesMadeCheck = e => {\n    if (e) {\n        e.returnValue = changesMadeString;\n    }\n};\n\n/**\n * List of the events.\n **/\nexport const formEventTypes = {\n    uploadStarted: 'core_form/uploadStarted',\n    uploadCompleted: 'core_form/uploadCompleted',\n};\n\n/**\n * Trigger upload start event.\n *\n * @param {String} elementId\n * @returns {CustomEvent<unknown>}\n */\nexport const triggerUploadStarted = elementId => {\n    // Add an additional check for changes made.\n    window.addEventListener('beforeunload', changesMadeCheck);\n    const customEvent = new CustomEvent(formEventTypes.uploadStarted, {\n        bubbles: true,\n        cancellable: false\n    });\n    const element = document.getElementById(elementId);\n    element.dispatchEvent(customEvent);\n\n    return customEvent;\n};\n\n/**\n * Trigger upload complete event.\n *\n * @param {String} elementId\n * @returns {CustomEvent<unknown>}\n */\nexport const triggerUploadCompleted = elementId => {\n    // Remove the additional check for changes made.\n    window.removeEventListener('beforeunload', changesMadeCheck);\n    const customEvent = new CustomEvent(formEventTypes.uploadCompleted, {\n        bubbles: true,\n        cancellable: false\n    });\n    const element = document.getElementById(elementId);\n    element.dispatchEvent(customEvent);\n\n    return customEvent;\n};\n"],"names":["changesMadeString","then","string","catch","changesMadeCheck","e","returnValue","formEventTypes","uploadStarted","uploadCompleted","elementId","window","addEventListener","customEvent","CustomEvent","bubbles","cancellable","document","getElementById","dispatchEvent","removeEventListener"],"mappings":";;;;;;;;;;IA2BIA,2LACM,0BAA2B,UAAUC,MAAK,SAAAC,eAChDF,kBAAoBE,OACbA,UACRC,YAMGC,iBAAmB,SAAAC,GACjBA,IACAA,EAAEC,YAAcN,oBAOXO,eAAiB,CAC1BC,cAAe,0BACfC,gBAAiB,kGASe,SAAAC,WAEhCC,OAAOC,iBAAiB,eAAgBR,sBAClCS,YAAc,IAAIC,YAAYP,eAAeC,cAAe,CAC9DO,SAAS,EACTC,aAAa,WAEDC,SAASC,eAAeR,WAChCS,cAAcN,aAEfA,6CAS2B,SAAAH,WAElCC,OAAOS,oBAAoB,eAAgBhB,sBACrCS,YAAc,IAAIC,YAAYP,eAAeE,gBAAiB,CAChEM,SAAS,EACTC,aAAa,WAEDC,SAASC,eAAeR,WAChCS,cAAcN,aAEfA"}
\ No newline at end of file
diff --git a/lib/form/amd/build/filetypes.min.js b/lib/form/amd/build/filetypes.min.js
index 037519ceb44..c558fd06fbc 100644
--- a/lib/form/amd/build/filetypes.min.js
+++ b/lib/form/amd/build/filetypes.min.js
@@ -1,2 +1,12 @@
-define ("core_form/filetypes",["jquery","core/log","core/str","core/modal_factory","core/modal_events","core/ajax","core/templates","core/tree"],function(a,b,c,d,e,f,g,h){"use strict";var i=function(c,d,e,f){this.elementId=c;this.elementLabel=d;this.onlyTypes=e;this.allowAll=f;this.inputField=a("#"+c);this.wrapperBrowserTrigger=a("[data-filetypesbrowser=\""+c+"\"]");this.wrapperDescriptions=a("[data-filetypesdescriptions=\""+c+"\"]");if(!this.wrapperBrowserTrigger.length){return}if(!this.inputField.length||!this.wrapperDescriptions.length){b.error("core_form/filetypes: Unexpected DOM structure, unable to enhance filetypes field "+c);return}this.prepareBrowserTrigger().then(function(){return this.prepareBrowserModal()}.bind(this)).then(function(){return this.prepareBrowserTree()}.bind(this))};i.prototype.prepareBrowserTrigger=function(){return g.render("core_form/filetypes-trigger",{}).then(function(a){this.wrapperBrowserTrigger.html(a);this.browserTrigger=this.wrapperBrowserTrigger.find("[data-filetypeswidget=\"browsertrigger\"]")}.bind(this))};i.prototype.prepareBrowserModal=function(){return d.create({type:d.types.SAVE_CANCEL,title:this.elementLabel}).then(function(a){this.browserModal=a}.bind(this)).then(function(){this.browserModal.getRoot().on(e.hidden,function(){this.browserTrigger.focus()}.bind(this));this.browserModal.getRoot().on(e.save,function(){this.saveBrowserModal()}.bind(this))}.bind(this))};i.prototype.prepareBrowserTree=function(){this.browserTrigger.on("click",function(b){b.preventDefault();if(this.inputField.is("[disabled]")){return}var c=this.loadBrowserModalBody();c.then(function(){this.browserTree=new h(this.browserModal.getBody());this.browserTree.handleKeyDown=function(a,b){if(b.keyCode==this.browserTree.keys.enter||b.keyCode==this.browserTree.keys.space){b.preventDefault();b.stopPropagation();this.toggleCheckbox(a.attr("data-filetypesbrowserkey"))}else{h.prototype.handleKeyDown.call(this.browserTree,a,b)}}.bind(this);if(this.allowAll){this.hideOrShowItemsDependingOnAllowAll(this.browserModal.getRoot().find("input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]").first());this.browserModal.getRoot().on("change","input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]",function(b){this.hideOrShowItemsDependingOnAllowAll(a(b.currentTarget))}.bind(this))}this.browserModal.getRoot().on("change","input[type=\"checkbox\"][data-filetypesbrowserkey]",function(b){var c=a(b.currentTarget),d=c.attr("data-filetypesbrowserkey");this.browserModal.getRoot().find("input[type=\"checkbox\"][data-filetypesbrowserkey=\""+d+"\"]").prop("checked",c.prop("checked"))}.bind(this))}.bind(this)).then(function(){this.browserModal.show()}.bind(this));this.browserModal.setBody(c)}.bind(this));return a.when()};i.prototype.loadBrowserModalBody=function(){var a={onlytypes:this.onlyTypes.join(),allowall:this.allowAll,current:this.inputField.val()};return f.call([{methodname:"core_form_get_filetypes_browser_data",args:a}])[0].then(function(a){return g.render("core_form/filetypes-browser",{elementid:this.elementId,groups:a.groups})}.bind(this))};i.prototype.toggleCheckbox=function(a){var b=this.browserModal.getRoot().find("input[type=\"checkbox\"][data-filetypesbrowserkey=\""+a+"\"]").first();b.prop("checked",!b.prop("checked"))};i.prototype.saveBrowserModal=function(){if(this.allowAll){var b=this.browserModal.getRoot().find("input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]");if(b.length&&b.prop("checked")){this.inputField.val("*");this.updateDescriptions(["*"]);return}}var c=[];this.browserModal.getRoot().find("input[type=\"checkbox\"]").each(function(){var b=a(this),d=b.attr("data-filetypesbrowserkey");if(b.prop("checked")){c.push(d)}});c=c.filter(function(b,c,d){return d.indexOf(b)==c});this.inputField.val(c.join(" "));this.updateDescriptions(c)};i.prototype.updateDescriptions=function(a){var b=[];a.forEach(function(a){b.push({description:this.browserModal.getRoot().find("[data-filetypesname=\""+a+"\"]").first().text().trim(),extensions:this.browserModal.getRoot().find("[data-filetypesextensions=\""+a+"\"]").first().text().trim()})}.bind(this));var c={hasdescriptions:0<b.length,descriptions:b};return g.render("core_form/filetypes-descriptions",c).then(function(a){this.wrapperDescriptions.html(a)}.bind(this))};i.prototype.hideOrShowItemsDependingOnAllowAll=function(a){var b=this.browserModal.getRoot().find("[role=\"treeitem\"][data-filetypesbrowserkey!=\"*\"]");if(a.prop("checked")){b.hide()}else{b.show()}};return{init:function init(a,b,c,d){new i(a,b,c,d)}}});
-//# sourceMappingURL=filetypes.min.js.map
+/**
+ * This module allows to enhance the form elements MoodleQuickForm_filetypes
+ *
+ * @module     core_form/filetypes
+ * @package    core_form
+ * @copyright  2017 David Mudrak <david@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.3
+ */
+define("core_form/filetypes",["jquery","core/log","core/str","core/modal_factory","core/modal_events","core/ajax","core/templates","core/tree"],(function($,Log,Str,ModalFactory,ModalEvents,Ajax,Templates,Tree){var FileTypes=function(elementId,elementLabel,onlyTypes,allowAll){this.elementId=elementId,this.elementLabel=elementLabel,this.onlyTypes=onlyTypes,this.allowAll=allowAll,this.inputField=$("#"+elementId),this.wrapperBrowserTrigger=$('[data-filetypesbrowser="'+elementId+'"]'),this.wrapperDescriptions=$('[data-filetypesdescriptions="'+elementId+'"]'),this.wrapperBrowserTrigger.length&&(this.inputField.length&&this.wrapperDescriptions.length?this.prepareBrowserTrigger().then(function(){return this.prepareBrowserModal()}.bind(this)).then(function(){return this.prepareBrowserTree()}.bind(this)):Log.error("core_form/filetypes: Unexpected DOM structure, unable to enhance filetypes field "+elementId))};return FileTypes.prototype.prepareBrowserTrigger=function(){return Templates.render("core_form/filetypes-trigger",{}).then(function(html){this.wrapperBrowserTrigger.html(html),this.browserTrigger=this.wrapperBrowserTrigger.find('[data-filetypeswidget="browsertrigger"]')}.bind(this))},FileTypes.prototype.prepareBrowserModal=function(){return ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,title:this.elementLabel}).then(function(modal){this.browserModal=modal}.bind(this)).then(function(){this.browserModal.getRoot().on(ModalEvents.hidden,function(){this.browserTrigger.focus()}.bind(this)),this.browserModal.getRoot().on(ModalEvents.save,function(){this.saveBrowserModal()}.bind(this))}.bind(this))},FileTypes.prototype.prepareBrowserTree=function(){return this.browserTrigger.on("click",function(e){if(e.preventDefault(),!this.inputField.is("[disabled]")){var bodyContent=this.loadBrowserModalBody();bodyContent.then(function(){this.browserTree=new Tree(this.browserModal.getBody()),this.browserTree.handleKeyDown=function(item,e){e.keyCode==this.browserTree.keys.enter||e.keyCode==this.browserTree.keys.space?(e.preventDefault(),e.stopPropagation(),this.toggleCheckbox(item.attr("data-filetypesbrowserkey"))):Tree.prototype.handleKeyDown.call(this.browserTree,item,e)}.bind(this),this.allowAll&&(this.hideOrShowItemsDependingOnAllowAll(this.browserModal.getRoot().find('input[type="checkbox"][data-filetypesbrowserkey="*"]').first()),this.browserModal.getRoot().on("change",'input[type="checkbox"][data-filetypesbrowserkey="*"]',function(e){this.hideOrShowItemsDependingOnAllowAll($(e.currentTarget))}.bind(this))),this.browserModal.getRoot().on("change",'input[type="checkbox"][data-filetypesbrowserkey]',function(e){var checkbox=$(e.currentTarget),key=checkbox.attr("data-filetypesbrowserkey");this.browserModal.getRoot().find('input[type="checkbox"][data-filetypesbrowserkey="'+key+'"]').prop("checked",checkbox.prop("checked"))}.bind(this))}.bind(this)).then(function(){this.browserModal.show()}.bind(this)),this.browserModal.setBody(bodyContent)}}.bind(this)),$.when()},FileTypes.prototype.loadBrowserModalBody=function(){var args={onlytypes:this.onlyTypes.join(),allowall:this.allowAll,current:this.inputField.val()};return Ajax.call([{methodname:"core_form_get_filetypes_browser_data",args:args}])[0].then(function(browserData){return Templates.render("core_form/filetypes-browser",{elementid:this.elementId,groups:browserData.groups})}.bind(this))},FileTypes.prototype.toggleCheckbox=function(key){var checkbox=this.browserModal.getRoot().find('input[type="checkbox"][data-filetypesbrowserkey="'+key+'"]').first();checkbox.prop("checked",!checkbox.prop("checked"))},FileTypes.prototype.saveBrowserModal=function(){if(this.allowAll){var allcheckbox=this.browserModal.getRoot().find('input[type="checkbox"][data-filetypesbrowserkey="*"]');if(allcheckbox.length&&allcheckbox.prop("checked"))return this.inputField.val("*"),void this.updateDescriptions(["*"])}var newvalue=[];this.browserModal.getRoot().find('input[type="checkbox"]').each((function(){var checkbox=$(this),key=checkbox.attr("data-filetypesbrowserkey");checkbox.prop("checked")&&newvalue.push(key)})),newvalue=newvalue.filter((function(x,i,a){return a.indexOf(x)==i})),this.inputField.val(newvalue.join(" ")),this.updateDescriptions(newvalue)},FileTypes.prototype.updateDescriptions=function(keys){var descriptions=[];keys.forEach(function(key){descriptions.push({description:this.browserModal.getRoot().find('[data-filetypesname="'+key+'"]').first().text().trim(),extensions:this.browserModal.getRoot().find('[data-filetypesextensions="'+key+'"]').first().text().trim()})}.bind(this));var templatedata={hasdescriptions:descriptions.length>0,descriptions:descriptions};return Templates.render("core_form/filetypes-descriptions",templatedata).then(function(html){this.wrapperDescriptions.html(html)}.bind(this))},FileTypes.prototype.hideOrShowItemsDependingOnAllowAll=function(allcheckbox){var others=this.browserModal.getRoot().find('[role="treeitem"][data-filetypesbrowserkey!="*"]');allcheckbox.prop("checked")?others.hide():others.show()},{init:function(elementId,elementLabel,onlyTypes,allowAll){new FileTypes(elementId,elementLabel,onlyTypes,allowAll)}}}));
+
+//# sourceMappingURL=filetypes.min.js.map
\ No newline at end of file
diff --git a/lib/form/amd/build/filetypes.min.js.map b/lib/form/amd/build/filetypes.min.js.map
index 90423e111d5..8b5a4d4d1bd 100644
--- a/lib/form/amd/build/filetypes.min.js.map
+++ b/lib/form/amd/build/filetypes.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module allows to enhance the form elements MoodleQuickForm_filetypes\n *\n * @module     core_form/filetypes\n * @package    core_form\n * @copyright  2017 David Mudrak <david@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.3\n */\ndefine(['jquery', 'core/log', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/ajax',\n        'core/templates', 'core/tree'],\n    function($, Log, Str, ModalFactory, ModalEvents, Ajax, Templates, Tree) {\n\n    \"use strict\";\n\n    /**\n     * Constructor of the FileTypes instances.\n     *\n     * @constructor\n     * @param {String} elementId The id of the form element to enhance\n     * @param {String} elementLabel The label of the form element used as the modal selector title\n     * @param {String} onlyTypes Limit the list of offered types to this\n     * @param {Bool} allowAll Allow presence of the \"All file types\" item\n     */\n    var FileTypes = function(elementId, elementLabel, onlyTypes, allowAll) {\n\n        this.elementId = elementId;\n        this.elementLabel = elementLabel;\n        this.onlyTypes = onlyTypes;\n        this.allowAll = allowAll;\n\n        this.inputField = $('#' + elementId);\n        this.wrapperBrowserTrigger = $('[data-filetypesbrowser=\"' + elementId + '\"]');\n        this.wrapperDescriptions = $('[data-filetypesdescriptions=\"' + elementId + '\"]');\n\n        if (!this.wrapperBrowserTrigger.length) {\n            // This is a valid case. Most probably the element is frozen and\n            // the filetypes browser should not be available.\n            return;\n        }\n\n        if (!this.inputField.length || !this.wrapperDescriptions.length) {\n            Log.error('core_form/filetypes: Unexpected DOM structure, unable to enhance filetypes field ' + elementId);\n            return;\n        }\n\n        this.prepareBrowserTrigger()\n            .then(function() {\n                return this.prepareBrowserModal();\n            }.bind(this))\n\n            .then(function() {\n                return this.prepareBrowserTree();\n            }.bind(this));\n    };\n\n    /**\n     * Create and set the browser trigger widget (this.browserTrigger).\n     *\n     * @method prepareBrowserTrigger\n     * @returns {Promise}\n     */\n    FileTypes.prototype.prepareBrowserTrigger = function() {\n        return Templates.render('core_form/filetypes-trigger', {})\n            .then(function(html) {\n                this.wrapperBrowserTrigger.html(html);\n                this.browserTrigger = this.wrapperBrowserTrigger.find('[data-filetypeswidget=\"browsertrigger\"]');\n            }.bind(this));\n    };\n\n    /**\n     * Create and set the modal for displaying the browser (this.browserModal).\n     *\n     * @method prepareBrowserModal\n     * @returns {Promise}\n     */\n    FileTypes.prototype.prepareBrowserModal = function() {\n        return ModalFactory.create({\n            type: ModalFactory.types.SAVE_CANCEL,\n            title: this.elementLabel\n\n        }).then(function(modal) {\n            this.browserModal = modal;\n        }.bind(this))\n\n        .then(function() {\n            // Because we have custom conditional modal trigger, we need to\n            // handle the focus after closing ourselves, too.\n            this.browserModal.getRoot().on(ModalEvents.hidden, function() {\n                this.browserTrigger.focus();\n            }.bind(this));\n\n            this.browserModal.getRoot().on(ModalEvents.save, function() {\n                this.saveBrowserModal();\n            }.bind(this));\n        }.bind(this));\n\n    };\n\n    /**\n     * Create and set the tree in the browser modal's body.\n     *\n     * @method prepareBrowserTree\n     * @returns {Promise}\n     */\n    FileTypes.prototype.prepareBrowserTree = function() {\n\n        this.browserTrigger.on('click', function(e) {\n            e.preventDefault();\n\n            // We want to display the browser modal only when the associated input\n            // field is not frozen (disabled).\n            if (this.inputField.is('[disabled]')) {\n                return;\n            }\n\n            var bodyContent = this.loadBrowserModalBody();\n\n            bodyContent.then(function() {\n\n                // Turn the list of groups and extensions into the tree.\n                this.browserTree = new Tree(this.browserModal.getBody());\n\n                // Override the behaviour of the Enter and Space keys to toggle our checkbox,\n                // rather than toggle the tree node expansion status.\n                this.browserTree.handleKeyDown = function(item, e) {\n                    if (e.keyCode == this.browserTree.keys.enter || e.keyCode == this.browserTree.keys.space) {\n                        e.preventDefault();\n                        e.stopPropagation();\n                        this.toggleCheckbox(item.attr('data-filetypesbrowserkey'));\n                    } else {\n                        Tree.prototype.handleKeyDown.call(this.browserTree, item, e);\n                    }\n                }.bind(this);\n\n                if (this.allowAll) {\n                    // Hide all other items if \"All file types\" is enabled.\n                    this.hideOrShowItemsDependingOnAllowAll(this.browserModal.getRoot()\n                        .find('input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]').first());\n                    // And do the same whenever we click that checkbox.\n                    this.browserModal.getRoot().on('change', 'input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]', function(e) {\n                        this.hideOrShowItemsDependingOnAllowAll($(e.currentTarget));\n                    }.bind(this));\n                }\n\n                // Synchronize checked status if the file extension is present in multiple groups.\n                this.browserModal.getRoot().on('change', 'input[type=\"checkbox\"][data-filetypesbrowserkey]', function(e) {\n                    var checkbox = $(e.currentTarget);\n                    var key = checkbox.attr('data-filetypesbrowserkey');\n                    this.browserModal.getRoot().find('input[type=\"checkbox\"][data-filetypesbrowserkey=\"' + key + '\"]')\n                        .prop('checked', checkbox.prop('checked'));\n                }.bind(this));\n\n            }.bind(this))\n\n            .then(function() {\n                this.browserModal.show();\n            }.bind(this));\n\n            this.browserModal.setBody(bodyContent);\n\n        }.bind(this));\n\n        // Return a resolved promise.\n        return $.when();\n    };\n\n    /**\n     * Load the browser modal body contents.\n     *\n     * @returns {Promise}\n     */\n    FileTypes.prototype.loadBrowserModalBody = function() {\n\n        var args = {\n            onlytypes: this.onlyTypes.join(),\n            allowall: this.allowAll,\n            current: this.inputField.val()\n        };\n\n        return Ajax.call([{\n            methodname: 'core_form_get_filetypes_browser_data',\n            args: args\n\n        }])[0].then(function(browserData) {\n            return Templates.render('core_form/filetypes-browser', {\n                elementid: this.elementId,\n                groups: browserData.groups\n            });\n        }.bind(this));\n    };\n\n    /**\n     * Change the checked status of the given file type (group or extension).\n     *\n     * @method toggleCheckbox\n     * @param {String} key\n     */\n    FileTypes.prototype.toggleCheckbox = function(key) {\n\n        var checkbox = this.browserModal.getRoot().find('input[type=\"checkbox\"][data-filetypesbrowserkey=\"' + key + '\"]').first();\n\n        checkbox.prop('checked', !checkbox.prop('checked'));\n    };\n\n    /**\n     * Update the associated input field with selected file types.\n     *\n     * @method saveBrowserModal\n     */\n    FileTypes.prototype.saveBrowserModal = function() {\n\n        // Check the \"All file types\" first.\n        if (this.allowAll) {\n            var allcheckbox = this.browserModal.getRoot().find('input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]');\n            if (allcheckbox.length && allcheckbox.prop('checked')) {\n                this.inputField.val('*');\n                this.updateDescriptions(['*']);\n                return;\n            }\n        }\n\n        // Iterate over all checked boxes and populate the list.\n        var newvalue = [];\n\n        this.browserModal.getRoot().find('input[type=\"checkbox\"]').each(/** @this represents the checkbox */ function() {\n            var checkbox = $(this);\n            var key = checkbox.attr('data-filetypesbrowserkey');\n\n            if (checkbox.prop('checked')) {\n                newvalue.push(key);\n            }\n        });\n\n        // Remove duplicates (e.g. file types present in multiple groups).\n        newvalue = newvalue.filter(function(x, i, a) {\n            return a.indexOf(x) == i;\n        });\n\n        this.inputField.val(newvalue.join(' '));\n        this.updateDescriptions(newvalue);\n    };\n\n    /**\n     * Describe the selected filetypes in the form when saving the browser.\n     *\n     * @param {Array} keys List of keys to describe\n     * @returns {Promise}\n     */\n    FileTypes.prototype.updateDescriptions = function(keys) {\n\n        var descriptions = [];\n\n        keys.forEach(function(key) {\n            descriptions.push({\n                description: this.browserModal.getRoot().find('[data-filetypesname=\"' + key + '\"]').first().text().trim(),\n                extensions: this.browserModal.getRoot().find('[data-filetypesextensions=\"' + key + '\"]').first().text().trim()\n            });\n        }.bind(this));\n\n        var templatedata = {\n            hasdescriptions: (descriptions.length > 0),\n            descriptions: descriptions\n        };\n\n        return Templates.render('core_form/filetypes-descriptions', templatedata)\n            .then(function(html) {\n                this.wrapperDescriptions.html(html);\n            }.bind(this));\n    };\n\n    /**\n     * If \"All file types\" is checked, all other browser items are made hidden, and vice versa.\n     *\n     * @param {jQuery} allcheckbox The \"All file types\" checkbox.\n     */\n    FileTypes.prototype.hideOrShowItemsDependingOnAllowAll = function(allcheckbox) {\n        var others = this.browserModal.getRoot().find('[role=\"treeitem\"][data-filetypesbrowserkey!=\"*\"]');\n        if (allcheckbox.prop('checked')) {\n            others.hide();\n        } else {\n            others.show();\n        }\n    };\n\n    return {\n        init: function(elementId, elementLabel, onlyTypes, allowAll) {\n            new FileTypes(elementId, elementLabel, onlyTypes, allowAll);\n        }\n    };\n});\n"],"file":"filetypes.min.js"}
\ No newline at end of file
+{"version":3,"file":"filetypes.min.js","sources":["../src/filetypes.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module allows to enhance the form elements MoodleQuickForm_filetypes\n *\n * @module     core_form/filetypes\n * @package    core_form\n * @copyright  2017 David Mudrak <david@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.3\n */\ndefine(['jquery', 'core/log', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/ajax',\n        'core/templates', 'core/tree'],\n    function($, Log, Str, ModalFactory, ModalEvents, Ajax, Templates, Tree) {\n\n    \"use strict\";\n\n    /**\n     * Constructor of the FileTypes instances.\n     *\n     * @constructor\n     * @param {String} elementId The id of the form element to enhance\n     * @param {String} elementLabel The label of the form element used as the modal selector title\n     * @param {String} onlyTypes Limit the list of offered types to this\n     * @param {Bool} allowAll Allow presence of the \"All file types\" item\n     */\n    var FileTypes = function(elementId, elementLabel, onlyTypes, allowAll) {\n\n        this.elementId = elementId;\n        this.elementLabel = elementLabel;\n        this.onlyTypes = onlyTypes;\n        this.allowAll = allowAll;\n\n        this.inputField = $('#' + elementId);\n        this.wrapperBrowserTrigger = $('[data-filetypesbrowser=\"' + elementId + '\"]');\n        this.wrapperDescriptions = $('[data-filetypesdescriptions=\"' + elementId + '\"]');\n\n        if (!this.wrapperBrowserTrigger.length) {\n            // This is a valid case. Most probably the element is frozen and\n            // the filetypes browser should not be available.\n            return;\n        }\n\n        if (!this.inputField.length || !this.wrapperDescriptions.length) {\n            Log.error('core_form/filetypes: Unexpected DOM structure, unable to enhance filetypes field ' + elementId);\n            return;\n        }\n\n        this.prepareBrowserTrigger()\n            .then(function() {\n                return this.prepareBrowserModal();\n            }.bind(this))\n\n            .then(function() {\n                return this.prepareBrowserTree();\n            }.bind(this));\n    };\n\n    /**\n     * Create and set the browser trigger widget (this.browserTrigger).\n     *\n     * @method prepareBrowserTrigger\n     * @returns {Promise}\n     */\n    FileTypes.prototype.prepareBrowserTrigger = function() {\n        return Templates.render('core_form/filetypes-trigger', {})\n            .then(function(html) {\n                this.wrapperBrowserTrigger.html(html);\n                this.browserTrigger = this.wrapperBrowserTrigger.find('[data-filetypeswidget=\"browsertrigger\"]');\n            }.bind(this));\n    };\n\n    /**\n     * Create and set the modal for displaying the browser (this.browserModal).\n     *\n     * @method prepareBrowserModal\n     * @returns {Promise}\n     */\n    FileTypes.prototype.prepareBrowserModal = function() {\n        return ModalFactory.create({\n            type: ModalFactory.types.SAVE_CANCEL,\n            title: this.elementLabel\n\n        }).then(function(modal) {\n            this.browserModal = modal;\n        }.bind(this))\n\n        .then(function() {\n            // Because we have custom conditional modal trigger, we need to\n            // handle the focus after closing ourselves, too.\n            this.browserModal.getRoot().on(ModalEvents.hidden, function() {\n                this.browserTrigger.focus();\n            }.bind(this));\n\n            this.browserModal.getRoot().on(ModalEvents.save, function() {\n                this.saveBrowserModal();\n            }.bind(this));\n        }.bind(this));\n\n    };\n\n    /**\n     * Create and set the tree in the browser modal's body.\n     *\n     * @method prepareBrowserTree\n     * @returns {Promise}\n     */\n    FileTypes.prototype.prepareBrowserTree = function() {\n\n        this.browserTrigger.on('click', function(e) {\n            e.preventDefault();\n\n            // We want to display the browser modal only when the associated input\n            // field is not frozen (disabled).\n            if (this.inputField.is('[disabled]')) {\n                return;\n            }\n\n            var bodyContent = this.loadBrowserModalBody();\n\n            bodyContent.then(function() {\n\n                // Turn the list of groups and extensions into the tree.\n                this.browserTree = new Tree(this.browserModal.getBody());\n\n                // Override the behaviour of the Enter and Space keys to toggle our checkbox,\n                // rather than toggle the tree node expansion status.\n                this.browserTree.handleKeyDown = function(item, e) {\n                    if (e.keyCode == this.browserTree.keys.enter || e.keyCode == this.browserTree.keys.space) {\n                        e.preventDefault();\n                        e.stopPropagation();\n                        this.toggleCheckbox(item.attr('data-filetypesbrowserkey'));\n                    } else {\n                        Tree.prototype.handleKeyDown.call(this.browserTree, item, e);\n                    }\n                }.bind(this);\n\n                if (this.allowAll) {\n                    // Hide all other items if \"All file types\" is enabled.\n                    this.hideOrShowItemsDependingOnAllowAll(this.browserModal.getRoot()\n                        .find('input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]').first());\n                    // And do the same whenever we click that checkbox.\n                    this.browserModal.getRoot().on('change', 'input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]', function(e) {\n                        this.hideOrShowItemsDependingOnAllowAll($(e.currentTarget));\n                    }.bind(this));\n                }\n\n                // Synchronize checked status if the file extension is present in multiple groups.\n                this.browserModal.getRoot().on('change', 'input[type=\"checkbox\"][data-filetypesbrowserkey]', function(e) {\n                    var checkbox = $(e.currentTarget);\n                    var key = checkbox.attr('data-filetypesbrowserkey');\n                    this.browserModal.getRoot().find('input[type=\"checkbox\"][data-filetypesbrowserkey=\"' + key + '\"]')\n                        .prop('checked', checkbox.prop('checked'));\n                }.bind(this));\n\n            }.bind(this))\n\n            .then(function() {\n                this.browserModal.show();\n            }.bind(this));\n\n            this.browserModal.setBody(bodyContent);\n\n        }.bind(this));\n\n        // Return a resolved promise.\n        return $.when();\n    };\n\n    /**\n     * Load the browser modal body contents.\n     *\n     * @returns {Promise}\n     */\n    FileTypes.prototype.loadBrowserModalBody = function() {\n\n        var args = {\n            onlytypes: this.onlyTypes.join(),\n            allowall: this.allowAll,\n            current: this.inputField.val()\n        };\n\n        return Ajax.call([{\n            methodname: 'core_form_get_filetypes_browser_data',\n            args: args\n\n        }])[0].then(function(browserData) {\n            return Templates.render('core_form/filetypes-browser', {\n                elementid: this.elementId,\n                groups: browserData.groups\n            });\n        }.bind(this));\n    };\n\n    /**\n     * Change the checked status of the given file type (group or extension).\n     *\n     * @method toggleCheckbox\n     * @param {String} key\n     */\n    FileTypes.prototype.toggleCheckbox = function(key) {\n\n        var checkbox = this.browserModal.getRoot().find('input[type=\"checkbox\"][data-filetypesbrowserkey=\"' + key + '\"]').first();\n\n        checkbox.prop('checked', !checkbox.prop('checked'));\n    };\n\n    /**\n     * Update the associated input field with selected file types.\n     *\n     * @method saveBrowserModal\n     */\n    FileTypes.prototype.saveBrowserModal = function() {\n\n        // Check the \"All file types\" first.\n        if (this.allowAll) {\n            var allcheckbox = this.browserModal.getRoot().find('input[type=\"checkbox\"][data-filetypesbrowserkey=\"*\"]');\n            if (allcheckbox.length && allcheckbox.prop('checked')) {\n                this.inputField.val('*');\n                this.updateDescriptions(['*']);\n                return;\n            }\n        }\n\n        // Iterate over all checked boxes and populate the list.\n        var newvalue = [];\n\n        this.browserModal.getRoot().find('input[type=\"checkbox\"]').each(/** @this represents the checkbox */ function() {\n            var checkbox = $(this);\n            var key = checkbox.attr('data-filetypesbrowserkey');\n\n            if (checkbox.prop('checked')) {\n                newvalue.push(key);\n            }\n        });\n\n        // Remove duplicates (e.g. file types present in multiple groups).\n        newvalue = newvalue.filter(function(x, i, a) {\n            return a.indexOf(x) == i;\n        });\n\n        this.inputField.val(newvalue.join(' '));\n        this.updateDescriptions(newvalue);\n    };\n\n    /**\n     * Describe the selected filetypes in the form when saving the browser.\n     *\n     * @param {Array} keys List of keys to describe\n     * @returns {Promise}\n     */\n    FileTypes.prototype.updateDescriptions = function(keys) {\n\n        var descriptions = [];\n\n        keys.forEach(function(key) {\n            descriptions.push({\n                description: this.browserModal.getRoot().find('[data-filetypesname=\"' + key + '\"]').first().text().trim(),\n                extensions: this.browserModal.getRoot().find('[data-filetypesextensions=\"' + key + '\"]').first().text().trim()\n            });\n        }.bind(this));\n\n        var templatedata = {\n            hasdescriptions: (descriptions.length > 0),\n            descriptions: descriptions\n        };\n\n        return Templates.render('core_form/filetypes-descriptions', templatedata)\n            .then(function(html) {\n                this.wrapperDescriptions.html(html);\n            }.bind(this));\n    };\n\n    /**\n     * If \"All file types\" is checked, all other browser items are made hidden, and vice versa.\n     *\n     * @param {jQuery} allcheckbox The \"All file types\" checkbox.\n     */\n    FileTypes.prototype.hideOrShowItemsDependingOnAllowAll = function(allcheckbox) {\n        var others = this.browserModal.getRoot().find('[role=\"treeitem\"][data-filetypesbrowserkey!=\"*\"]');\n        if (allcheckbox.prop('checked')) {\n            others.hide();\n        } else {\n            others.show();\n        }\n    };\n\n    return {\n        init: function(elementId, elementLabel, onlyTypes, allowAll) {\n            new FileTypes(elementId, elementLabel, onlyTypes, allowAll);\n        }\n    };\n});\n"],"names":["define","$","Log","Str","ModalFactory","ModalEvents","Ajax","Templates","Tree","FileTypes","elementId","elementLabel","onlyTypes","allowAll","inputField","wrapperBrowserTrigger","wrapperDescriptions","this","length","prepareBrowserTrigger","then","prepareBrowserModal","bind","prepareBrowserTree","error","prototype","render","html","browserTrigger","find","create","type","types","SAVE_CANCEL","title","modal","browserModal","getRoot","on","hidden","focus","save","saveBrowserModal","e","preventDefault","is","bodyContent","loadBrowserModalBody","browserTree","getBody","handleKeyDown","item","keyCode","keys","enter","space","stopPropagation","toggleCheckbox","attr","call","hideOrShowItemsDependingOnAllowAll","first","currentTarget","checkbox","key","prop","show","setBody","when","args","onlytypes","join","allowall","current","val","methodname","browserData","elementid","groups","allcheckbox","updateDescriptions","newvalue","each","push","filter","x","i","a","indexOf","descriptions","forEach","description","text","trim","extensions","templatedata","hasdescriptions","others","hide","init"],"mappings":";;;;;;;;;AAwBAA,6BAAO,CAAC,SAAU,WAAY,WAAY,qBAAsB,oBAAqB,YAC7E,iBAAkB,cACtB,SAASC,EAAGC,IAAKC,IAAKC,aAAcC,YAAaC,KAAMC,UAAWC,UAa9DC,UAAY,SAASC,UAAWC,aAAcC,UAAWC,eAEpDH,UAAYA,eACZC,aAAeA,kBACfC,UAAYA,eACZC,SAAWA,cAEXC,WAAab,EAAE,IAAMS,gBACrBK,sBAAwBd,EAAE,2BAA6BS,UAAY,WACnEM,oBAAsBf,EAAE,gCAAkCS,UAAY,MAEtEO,KAAKF,sBAAsBG,SAM3BD,KAAKH,WAAWI,QAAWD,KAAKD,oBAAoBE,YAKpDC,wBACAC,KAAK,kBACKH,KAAKI,uBACdC,KAAKL,OAENG,KAAK,kBACKH,KAAKM,sBACdD,KAAKL,OAXPf,IAAIsB,MAAM,oFAAsFd,oBAoBxGD,UAAUgB,UAAUN,sBAAwB,kBACjCZ,UAAUmB,OAAO,8BAA+B,IAClDN,KAAK,SAASO,WACNZ,sBAAsBY,KAAKA,WAC3BC,eAAiBX,KAAKF,sBAAsBc,KAAK,4CACxDP,KAAKL,QASfR,UAAUgB,UAAUJ,oBAAsB,kBAC/BjB,aAAa0B,OAAO,CACvBC,KAAM3B,aAAa4B,MAAMC,YACzBC,MAAOjB,KAAKN,eAEbS,KAAK,SAASe,YACRC,aAAeD,OACtBb,KAAKL,OAENG,KAAK,gBAGGgB,aAAaC,UAAUC,GAAGjC,YAAYkC,OAAQ,gBAC1CX,eAAeY,SACtBlB,KAAKL,YAEFmB,aAAaC,UAAUC,GAAGjC,YAAYoC,KAAM,gBACxCC,oBACPpB,KAAKL,QACTK,KAAKL,QAUXR,UAAUgB,UAAUF,mBAAqB,uBAEhCK,eAAeU,GAAG,QAAS,SAASK,MACrCA,EAAEC,kBAIE3B,KAAKH,WAAW+B,GAAG,mBAInBC,YAAc7B,KAAK8B,uBAEvBD,YAAY1B,KAAK,gBAGR4B,YAAc,IAAIxC,KAAKS,KAAKmB,aAAaa,gBAIzCD,YAAYE,cAAgB,SAASC,KAAMR,GACxCA,EAAES,SAAWnC,KAAK+B,YAAYK,KAAKC,OAASX,EAAES,SAAWnC,KAAK+B,YAAYK,KAAKE,OAC/EZ,EAAEC,iBACFD,EAAEa,uBACGC,eAAeN,KAAKO,KAAK,8BAE9BlD,KAAKiB,UAAUyB,cAAcS,KAAK1C,KAAK+B,YAAaG,KAAMR,IAEhErB,KAAKL,MAEHA,KAAKJ,gBAEA+C,mCAAmC3C,KAAKmB,aAAaC,UACrDR,KAAK,wDAAwDgC,cAE7DzB,aAAaC,UAAUC,GAAG,SAAU,uDAAwD,SAASK,QACjGiB,mCAAmC3D,EAAE0C,EAAEmB,iBAC9CxC,KAAKL,aAINmB,aAAaC,UAAUC,GAAG,SAAU,mDAAoD,SAASK,OAC9FoB,SAAW9D,EAAE0C,EAAEmB,eACfE,IAAMD,SAASL,KAAK,iCACnBtB,aAAaC,UAAUR,KAAK,oDAAsDmC,IAAM,MACxFC,KAAK,UAAWF,SAASE,KAAK,aACrC3C,KAAKL,QAETK,KAAKL,OAENG,KAAK,gBACGgB,aAAa8B,QACpB5C,KAAKL,YAEFmB,aAAa+B,QAAQrB,eAE5BxB,KAAKL,OAGAhB,EAAEmE,QAQb3D,UAAUgB,UAAUsB,qBAAuB,eAEnCsB,KAAO,CACPC,UAAWrD,KAAKL,UAAU2D,OAC1BC,SAAUvD,KAAKJ,SACf4D,QAASxD,KAAKH,WAAW4D,cAGtBpE,KAAKqD,KAAK,CAAC,CACdgB,WAAY,uCACZN,KAAMA,QAEN,GAAGjD,KAAK,SAASwD,oBACVrE,UAAUmB,OAAO,8BAA+B,CACnDmD,UAAW5D,KAAKP,UAChBoE,OAAQF,YAAYE,UAE1BxD,KAAKL,QASXR,UAAUgB,UAAUgC,eAAiB,SAASO,SAEtCD,SAAW9C,KAAKmB,aAAaC,UAAUR,KAAK,oDAAsDmC,IAAM,MAAMH,QAElHE,SAASE,KAAK,WAAYF,SAASE,KAAK,aAQ5CxD,UAAUgB,UAAUiB,iBAAmB,cAG/BzB,KAAKJ,SAAU,KACXkE,YAAc9D,KAAKmB,aAAaC,UAAUR,KAAK,2DAC/CkD,YAAY7D,QAAU6D,YAAYd,KAAK,uBAClCnD,WAAW4D,IAAI,eACfM,mBAAmB,CAAC,UAM7BC,SAAW,QAEV7C,aAAaC,UAAUR,KAAK,0BAA0BqD,MAA0C,eAC7FnB,SAAW9D,EAAEgB,MACb+C,IAAMD,SAASL,KAAK,4BAEpBK,SAASE,KAAK,YACdgB,SAASE,KAAKnB,QAKtBiB,SAAWA,SAASG,QAAO,SAASC,EAAGC,EAAGC,UAC/BA,EAAEC,QAAQH,IAAMC,UAGtBxE,WAAW4D,IAAIO,SAASV,KAAK,WAC7BS,mBAAmBC,WAS5BxE,UAAUgB,UAAUuD,mBAAqB,SAAS3B,UAE1CoC,aAAe,GAEnBpC,KAAKqC,QAAQ,SAAS1B,KAClByB,aAAaN,KAAK,CACdQ,YAAa1E,KAAKmB,aAAaC,UAAUR,KAAK,wBAA0BmC,IAAM,MAAMH,QAAQ+B,OAAOC,OACnGC,WAAY7E,KAAKmB,aAAaC,UAAUR,KAAK,8BAAgCmC,IAAM,MAAMH,QAAQ+B,OAAOC,UAE9GvE,KAAKL,WAEH8E,aAAe,CACfC,gBAAkBP,aAAavE,OAAS,EACxCuE,aAAcA,qBAGXlF,UAAUmB,OAAO,mCAAoCqE,cACvD3E,KAAK,SAASO,WACNX,oBAAoBW,KAAKA,OAChCL,KAAKL,QAQfR,UAAUgB,UAAUmC,mCAAqC,SAASmB,iBAC1DkB,OAAShF,KAAKmB,aAAaC,UAAUR,KAAK,oDAC1CkD,YAAYd,KAAK,WACjBgC,OAAOC,OAEPD,OAAO/B,QAIR,CACHiC,KAAM,SAASzF,UAAWC,aAAcC,UAAWC,cAC3CJ,UAAUC,UAAWC,aAAcC,UAAWC"}
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diff --git a/lib/form/amd/build/passwordunmask.min.js b/lib/form/amd/build/passwordunmask.min.js
index b785d69162e..11841a7f6f9 100644
--- a/lib/form/amd/build/passwordunmask.min.js
+++ b/lib/form/amd/build/passwordunmask.min.js
@@ -1,2 +1,13 @@
-define ("core_form/passwordunmask",["jquery","core/templates"],function(a,b){var c=function(b){this.wrapperSelector="[data-passwordunmask=\"wrapper\"][data-passwordunmaskid=\""+b+"\"]";this.wrapper=a(this.wrapperSelector);this.editorSpace=this.wrapper.find("[data-passwordunmask=\"editor\"]");this.editLink=this.wrapper.find("a[data-passwordunmask=\"edit\"]");this.editInstructions=this.wrapper.find("[data-passwordunmask=\"instructions\"]");this.displayValue=this.wrapper.find("[data-passwordunmask=\"displayvalue\"]");this.inputFieldLabel=a("label[for=\""+b+"\"]");this.inputField=this.editorSpace.find(document.getElementById(b));this.inputField.attr("type","hidden");this.inputField.removeClass("hiddenifjs");if(!this.editInstructions.attr("id")){this.editInstructions.attr("id",b+"_instructions")}this.editInstructions.hide();this.setDisplayValue();this.addListeners()};c.prototype.addListeners=function(){this.wrapper.on("click keypress","[data-passwordunmask=\"edit\"]",a.proxy(function(b){if("keypress"===b.type&&13!==b.keyCode){return}b.stopImmediatePropagation();b.preventDefault();if("hidden"!==this.inputField.attr("type")){if("click"!==b.type&&!a(b.relatedTarget).is(":input")){this.turnEditingOff(!0)}else{this.turnEditingOff(!1)}}else{this.turnEditingOn()}},this));this.wrapper.on("click keypress","[data-passwordunmask=\"unmask\"]",a.proxy(function(a){if("keypress"===a.type&&13!==a.keyCode){return}a.stopImmediatePropagation();a.preventDefault();this.wrapper.data("unmasked",!this.wrapper.data("unmasked"));this.setDisplayValue()},this));this.wrapper.on("keydown","input",a.proxy(function(a){if("keydown"===a.type&&13!==a.keyCode){return}a.stopImmediatePropagation();a.preventDefault();this.turnEditingOff(!0)},this));this.inputFieldLabel.on("click",a.proxy(function(a){a.preventDefault();this.turnEditingOn()},this));return this};c.prototype.checkFocusOut=function(b){if(!this.isEditing()){return}window.setTimeout(a.proxy(function(){var c=b.relatedTarget||document.activeElement;if(this.wrapper.has(a(c)).length){return}this.turnEditingOff(!a(c).is(":input,a"))},this),100)};c.prototype.passwordVisible=function(){return!!this.wrapper.data("unmasked")};c.prototype.isEditing=function(){return"hidden"!==this.inputField.attr("type")};c.prototype.turnEditingOn=function(){var b=this.getDisplayValue();if(this.passwordVisible()){this.inputField.attr("type","text")}else{this.inputField.attr("type","password")}this.inputField.val(b);this.inputField.attr("size",this.inputField.attr("data-size"));if(this.editInstructions.length){this.inputField.attr("aria-describedby",this.editInstructions.attr("id"));this.editInstructions.show()}this.wrapper.attr("data-passwordunmask-visible",1);this.editLink.hide();this.inputField.focus().select();a("body").on("focusout",this.wrapperSelector,a.proxy(this.checkFocusOut,this));return this};c.prototype.turnEditingOff=function(b){a("body").off("focusout",this.wrapperSelector,this.checkFocusOut);var c=this.getDisplayValue();this.inputField.attr("type","hidden").attr("aria-describedby",null);this.inputField.val(c);this.editInstructions.hide();this.wrapper.removeAttr("data-passwordunmask-visible");this.inputField.removeAttr("size");this.editLink.show();this.setDisplayValue();if(b){this.editLink.focus()}return this};c.prototype.getDisplayValue=function(){return this.inputField.val()};c.prototype.setDisplayValue=function(){var c=this.getDisplayValue();if(this.isEditing()){if(this.wrapper.data("unmasked")){this.inputField.attr("type","text")}else{this.inputField.attr("type","password")}this.inputField.val(c)}if(c&&this.wrapper.data("unmasked")){this.displayValue.text(c)}else{if(!c){c=""}b.render("core_form/element-passwordunmask-fill",{element:{frozen:this.inputField.is("[readonly]"),value:c,valuechars:c.split("")}}).done(a.proxy(function(a,c){this.displayValue.html(a);b.runTemplateJS(c)},this))}return this};return c});
-//# sourceMappingURL=passwordunmask.min.js.map
+/**
+ * Password Unmask functionality.
+ *
+ * @module     core_form/passwordunmask
+ * @package    core_form
+ * @class      passwordunmask
+ * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.2
+ */
+define("core_form/passwordunmask",["jquery","core/templates"],(function($,Template){var PasswordUnmask=function(elementid){this.wrapperSelector='[data-passwordunmask="wrapper"][data-passwordunmaskid="'+elementid+'"]',this.wrapper=$(this.wrapperSelector),this.editorSpace=this.wrapper.find('[data-passwordunmask="editor"]'),this.editLink=this.wrapper.find('a[data-passwordunmask="edit"]'),this.editInstructions=this.wrapper.find('[data-passwordunmask="instructions"]'),this.displayValue=this.wrapper.find('[data-passwordunmask="displayvalue"]'),this.inputFieldLabel=$('label[for="'+elementid+'"]'),this.inputField=this.editorSpace.find(document.getElementById(elementid)),this.inputField.attr("type","hidden"),this.inputField.removeClass("hiddenifjs"),this.editInstructions.attr("id")||this.editInstructions.attr("id",elementid+"_instructions"),this.editInstructions.hide(),this.setDisplayValue(),this.addListeners()};return PasswordUnmask.prototype.addListeners=function(){return this.wrapper.on("click keypress",'[data-passwordunmask="edit"]',$.proxy((function(e){"keypress"===e.type&&13!==e.keyCode||(e.stopImmediatePropagation(),e.preventDefault(),"hidden"!==this.inputField.attr("type")?"click"===e.type||$(e.relatedTarget).is(":input")?this.turnEditingOff(!1):this.turnEditingOff(!0):this.turnEditingOn())}),this)),this.wrapper.on("click keypress",'[data-passwordunmask="unmask"]',$.proxy((function(e){"keypress"===e.type&&13!==e.keyCode||(e.stopImmediatePropagation(),e.preventDefault(),this.wrapper.data("unmasked",!this.wrapper.data("unmasked")),this.setDisplayValue())}),this)),this.wrapper.on("keydown","input",$.proxy((function(e){"keydown"===e.type&&13!==e.keyCode||(e.stopImmediatePropagation(),e.preventDefault(),this.turnEditingOff(!0))}),this)),this.inputFieldLabel.on("click",$.proxy((function(e){e.preventDefault(),this.turnEditingOn()}),this)),this},PasswordUnmask.prototype.checkFocusOut=function(e){this.isEditing()&&window.setTimeout($.proxy((function(){var relatedTarget=e.relatedTarget||document.activeElement;this.wrapper.has($(relatedTarget)).length||this.turnEditingOff(!$(relatedTarget).is(":input,a"))}),this),100)},PasswordUnmask.prototype.passwordVisible=function(){return!!this.wrapper.data("unmasked")},PasswordUnmask.prototype.isEditing=function(){return"hidden"!==this.inputField.attr("type")},PasswordUnmask.prototype.turnEditingOn=function(){var value=this.getDisplayValue();return this.passwordVisible()?this.inputField.attr("type","text"):this.inputField.attr("type","password"),this.inputField.val(value),this.inputField.attr("size",this.inputField.attr("data-size")),this.editInstructions.length&&(this.inputField.attr("aria-describedby",this.editInstructions.attr("id")),this.editInstructions.show()),this.wrapper.attr("data-passwordunmask-visible",1),this.editLink.hide(),this.inputField.focus().select(),$("body").on("focusout",this.wrapperSelector,$.proxy(this.checkFocusOut,this)),this},PasswordUnmask.prototype.turnEditingOff=function(focusOnEditLink){$("body").off("focusout",this.wrapperSelector,this.checkFocusOut);var value=this.getDisplayValue();return this.inputField.attr("type","hidden").attr("aria-describedby",null),this.inputField.val(value),this.editInstructions.hide(),this.wrapper.removeAttr("data-passwordunmask-visible"),this.inputField.removeAttr("size"),this.editLink.show(),this.setDisplayValue(),focusOnEditLink&&this.editLink.focus(),this},PasswordUnmask.prototype.getDisplayValue=function(){return this.inputField.val()},PasswordUnmask.prototype.setDisplayValue=function(){var value=this.getDisplayValue();return this.isEditing()&&(this.wrapper.data("unmasked")?this.inputField.attr("type","text"):this.inputField.attr("type","password"),this.inputField.val(value)),value&&this.wrapper.data("unmasked")?this.displayValue.text(value):(value||(value=""),Template.render("core_form/element-passwordunmask-fill",{element:{frozen:this.inputField.is("[readonly]"),value:value,valuechars:value.split("")}}).done($.proxy((function(html,js){this.displayValue.html(html),Template.runTemplateJS(js)}),this))),this},PasswordUnmask}));
+
+//# sourceMappingURL=passwordunmask.min.js.map
\ No newline at end of file
diff --git a/lib/form/amd/build/passwordunmask.min.js.map b/lib/form/amd/build/passwordunmask.min.js.map
index a96e1aa8fb9..44ea7a4a4bd 100644
--- a/lib/form/amd/build/passwordunmask.min.js.map
+++ b/lib/form/amd/build/passwordunmask.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/passwordunmask.js"],"names":["define","$","Template","PasswordUnmask","elementid","wrapperSelector","wrapper","editorSpace","find","editLink","editInstructions","displayValue","inputFieldLabel","inputField","document","getElementById","attr","removeClass","hide","setDisplayValue","addListeners","prototype","on","proxy","e","type","keyCode","stopImmediatePropagation","preventDefault","relatedTarget","is","turnEditingOff","turnEditingOn","data","checkFocusOut","isEditing","window","setTimeout","activeElement","has","length","passwordVisible","value","getDisplayValue","val","show","focus","select","focusOnEditLink","off","removeAttr","text","render","element","frozen","valuechars","split","done","html","js","runTemplateJS"],"mappings":"AAyBAA,OAAM,4BAAC,CAAC,QAAD,CAAW,gBAAX,CAAD,CAA+B,SAASC,CAAT,CAAYC,CAAZ,CAAsB,CAOvD,GAAIC,CAAAA,CAAc,CAAG,SAASC,CAAT,CAAoB,CAErC,KAAKC,eAAL,CAAuB,6DAA4DD,CAA5D,CAAwE,KAA/F,CACA,KAAKE,OAAL,CAAeL,CAAC,CAAC,KAAKI,eAAN,CAAhB,CACA,KAAKE,WAAL,CAAmB,KAAKD,OAAL,CAAaE,IAAb,CAAkB,kCAAlB,CAAnB,CACA,KAAKC,QAAL,CAAgB,KAAKH,OAAL,CAAaE,IAAb,CAAkB,iCAAlB,CAAhB,CACA,KAAKE,gBAAL,CAAwB,KAAKJ,OAAL,CAAaE,IAAb,CAAkB,wCAAlB,CAAxB,CACA,KAAKG,YAAL,CAAoB,KAAKL,OAAL,CAAaE,IAAb,CAAkB,wCAAlB,CAApB,CACA,KAAKI,eAAL,CAAuBX,CAAC,CAAC,eAAgBG,CAAhB,CAA4B,KAA7B,CAAxB,CAEA,KAAKS,UAAL,CAAkB,KAAKN,WAAL,CAAiBC,IAAjB,CAAsBM,QAAQ,CAACC,cAAT,CAAwBX,CAAxB,CAAtB,CAAlB,CACA,KAAKS,UAAL,CAAgBG,IAAhB,CAAqB,MAArB,CAA6B,QAA7B,EACA,KAAKH,UAAL,CAAgBI,WAAhB,CAA4B,YAA5B,EAEA,GAAI,CAAC,KAAKP,gBAAL,CAAsBM,IAAtB,CAA2B,IAA3B,CAAL,CAAuC,CACnC,KAAKN,gBAAL,CAAsBM,IAAtB,CAA2B,IAA3B,CAAiCZ,CAAS,CAAG,eAA7C,CACH,CACD,KAAKM,gBAAL,CAAsBQ,IAAtB,GAEA,KAAKC,eAAL,GAGA,KAAKC,YAAL,EACH,CAvBD,CAgCAjB,CAAc,CAACkB,SAAf,CAAyBD,YAAzB,CAAwC,UAAW,CAC/C,KAAKd,OAAL,CAAagB,EAAb,CAAgB,gBAAhB,CAAkC,gCAAlC,CAAkErB,CAAC,CAACsB,KAAF,CAAQ,SAASC,CAAT,CAAY,CAClF,GAAe,UAAX,GAAAA,CAAC,CAACC,IAAF,EAAuC,EAAd,GAAAD,CAAC,CAACE,OAA/B,CAA+C,CAC3C,MACH,CACDF,CAAC,CAACG,wBAAF,GACAH,CAAC,CAACI,cAAF,GAEA,GAAqC,QAAjC,QAAKf,UAAL,CAAgBG,IAAhB,CAAqB,MAArB,CAAJ,CAA+C,CAE3C,GAAe,OAAX,GAAAQ,CAAC,CAACC,IAAF,EAAsB,CAACxB,CAAC,CAACuB,CAAC,CAACK,aAAH,CAAD,CAAmBC,EAAnB,CAAsB,QAAtB,CAA3B,CAA4D,CACxD,KAAKC,cAAL,IACH,CAFD,IAEO,CACH,KAAKA,cAAL,IACH,CACJ,CAPD,IAOO,CACH,KAAKC,aAAL,EACH,CACJ,CAjBiE,CAiB/D,IAjB+D,CAAlE,EAmBA,KAAK1B,OAAL,CAAagB,EAAb,CAAgB,gBAAhB,CAAkC,kCAAlC,CAAoErB,CAAC,CAACsB,KAAF,CAAQ,SAASC,CAAT,CAAY,CACpF,GAAe,UAAX,GAAAA,CAAC,CAACC,IAAF,EAAuC,EAAd,GAAAD,CAAC,CAACE,OAA/B,CAA+C,CAC3C,MACH,CACDF,CAAC,CAACG,wBAAF,GACAH,CAAC,CAACI,cAAF,GAGA,KAAKtB,OAAL,CAAa2B,IAAb,CAAkB,UAAlB,CAA8B,CAAC,KAAK3B,OAAL,CAAa2B,IAAb,CAAkB,UAAlB,CAA/B,EAEA,KAAKd,eAAL,EACH,CAXmE,CAWjE,IAXiE,CAApE,EAaA,KAAKb,OAAL,CAAagB,EAAb,CAAgB,SAAhB,CAA2B,OAA3B,CAAoCrB,CAAC,CAACsB,KAAF,CAAQ,SAASC,CAAT,CAAY,CACpD,GAAe,SAAX,GAAAA,CAAC,CAACC,IAAF,EAAsC,EAAd,GAAAD,CAAC,CAACE,OAA9B,CAA8C,CAC1C,MACH,CAEDF,CAAC,CAACG,wBAAF,GACAH,CAAC,CAACI,cAAF,GAEA,KAAKG,cAAL,IACH,CATmC,CASjC,IATiC,CAApC,EAWA,KAAKnB,eAAL,CAAqBU,EAArB,CAAwB,OAAxB,CAAiCrB,CAAC,CAACsB,KAAF,CAAQ,SAASC,CAAT,CAAY,CACjDA,CAAC,CAACI,cAAF,GAEA,KAAKI,aAAL,EACH,CAJgC,CAI9B,IAJ8B,CAAjC,EAMA,MAAO,KACV,CAnDD,CA2DA7B,CAAc,CAACkB,SAAf,CAAyBa,aAAzB,CAAyC,SAASV,CAAT,CAAY,CACjD,GAAI,CAAC,KAAKW,SAAL,EAAL,CAAuB,CAEnB,MACH,CAEDC,MAAM,CAACC,UAAP,CAAkBpC,CAAC,CAACsB,KAAF,CAAQ,UAAW,CAGjC,GAAIM,CAAAA,CAAa,CAAGL,CAAC,CAACK,aAAF,EAAmBf,QAAQ,CAACwB,aAAhD,CACA,GAAI,KAAKhC,OAAL,CAAaiC,GAAb,CAAiBtC,CAAC,CAAC4B,CAAD,CAAlB,EAAmCW,MAAvC,CAA+C,CAE3C,MACH,CAGD,KAAKT,cAAL,CAAoB,CAAC9B,CAAC,CAAC4B,CAAD,CAAD,CAAiBC,EAAjB,CAAoB,UAApB,CAArB,CACH,CAXiB,CAWf,IAXe,CAAlB,CAWU,GAXV,CAYH,CAlBD,CA0BA3B,CAAc,CAACkB,SAAf,CAAyBoB,eAAzB,CAA2C,UAAW,CAClD,MAAO,CAAC,CAAC,KAAKnC,OAAL,CAAa2B,IAAb,CAAkB,UAAlB,CACZ,CAFD,CAUA9B,CAAc,CAACkB,SAAf,CAAyBc,SAAzB,CAAqC,UAAW,CAC5C,MAAwC,QAAjC,QAAKtB,UAAL,CAAgBG,IAAhB,CAAqB,MAArB,CACV,CAFD,CAWAb,CAAc,CAACkB,SAAf,CAAyBW,aAAzB,CAAyC,UAAW,CAChD,GAAIU,CAAAA,CAAK,CAAG,KAAKC,eAAL,EAAZ,CACA,GAAI,KAAKF,eAAL,EAAJ,CAA4B,CACxB,KAAK5B,UAAL,CAAgBG,IAAhB,CAAqB,MAArB,CAA6B,MAA7B,CACH,CAFD,IAEO,CACH,KAAKH,UAAL,CAAgBG,IAAhB,CAAqB,MAArB,CAA6B,UAA7B,CACH,CACD,KAAKH,UAAL,CAAgB+B,GAAhB,CAAoBF,CAApB,EACA,KAAK7B,UAAL,CAAgBG,IAAhB,CAAqB,MAArB,CAA6B,KAAKH,UAAL,CAAgBG,IAAhB,CAAqB,WAArB,CAA7B,EAEA,GAAI,KAAKN,gBAAL,CAAsB8B,MAA1B,CAAkC,CAC9B,KAAK3B,UAAL,CAAgBG,IAAhB,CAAqB,kBAArB,CAAyC,KAAKN,gBAAL,CAAsBM,IAAtB,CAA2B,IAA3B,CAAzC,EACA,KAAKN,gBAAL,CAAsBmC,IAAtB,EACH,CAED,KAAKvC,OAAL,CAAaU,IAAb,CAAkB,6BAAlB,CAAiD,CAAjD,EAEA,KAAKP,QAAL,CAAcS,IAAd,GACA,KAAKL,UAAL,CACKiC,KADL,GAEKC,MAFL,GASA9C,CAAC,CAAC,MAAD,CAAD,CAAUqB,EAAV,CAAa,UAAb,CAAyB,KAAKjB,eAA9B,CAA+CJ,CAAC,CAACsB,KAAF,CAAQ,KAAKW,aAAb,CAA4B,IAA5B,CAA/C,EAEA,MAAO,KACV,CA9BD,CAwCA/B,CAAc,CAACkB,SAAf,CAAyBU,cAAzB,CAA0C,SAASiB,CAAT,CAA0B,CAChE/C,CAAC,CAAC,MAAD,CAAD,CAAUgD,GAAV,CAAc,UAAd,CAA0B,KAAK5C,eAA/B,CAAgD,KAAK6B,aAArD,EACA,GAAIQ,CAAAA,CAAK,CAAG,KAAKC,eAAL,EAAZ,CACA,KAAK9B,UAAL,CAEKG,IAFL,CAEU,MAFV,CAEkB,QAFlB,EAKKA,IALL,CAKU,kBALV,CAK8B,IAL9B,EAMA,KAAKH,UAAL,CAAgB+B,GAAhB,CAAoBF,CAApB,EAEA,KAAKhC,gBAAL,CAAsBQ,IAAtB,GAGA,KAAK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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Password Unmask functionality.\n *\n * @module     core_form/passwordunmask\n * @package    core_form\n * @class      passwordunmask\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery', 'core/templates'], function($, Template) {\n\n    /**\n     * Constructor for PasswordUnmask.\n     *\n     * @param   {String}    elementid   The element to apply the PasswordUnmask to\n     */\n    var PasswordUnmask = function(elementid) {\n        // Setup variables.\n        this.wrapperSelector = '[data-passwordunmask=\"wrapper\"][data-passwordunmaskid=\"' + elementid + '\"]';\n        this.wrapper = $(this.wrapperSelector);\n        this.editorSpace = this.wrapper.find('[data-passwordunmask=\"editor\"]');\n        this.editLink = this.wrapper.find('a[data-passwordunmask=\"edit\"]');\n        this.editInstructions = this.wrapper.find('[data-passwordunmask=\"instructions\"]');\n        this.displayValue = this.wrapper.find('[data-passwordunmask=\"displayvalue\"]');\n        this.inputFieldLabel = $('label[for=\"' + elementid + '\"]');\n\n        this.inputField = this.editorSpace.find(document.getElementById(elementid));\n        this.inputField.attr('type', 'hidden');\n        this.inputField.removeClass('hiddenifjs');\n\n        if (!this.editInstructions.attr('id')) {\n            this.editInstructions.attr('id', elementid + '_instructions');\n        }\n        this.editInstructions.hide();\n\n        this.setDisplayValue();\n\n        // Add the listeners.\n        this.addListeners();\n    };\n\n    /**\n     * Add the event listeners required for PasswordUnmask.\n     *\n     * @method  addListeners\n     * @return  {PasswordUnmask}\n     * @chainable\n     */\n    PasswordUnmask.prototype.addListeners = function() {\n        this.wrapper.on('click keypress', '[data-passwordunmask=\"edit\"]', $.proxy(function(e) {\n            if (e.type === 'keypress' && e.keyCode !== 13) {\n                return;\n            }\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            if (this.inputField.attr('type') !== 'hidden') {\n                // Only focus on the edit link if the event was not a click, and the new target is not an input field.\n                if (e.type !== 'click' && !$(e.relatedTarget).is(':input')) {\n                    this.turnEditingOff(true);\n                } else {\n                    this.turnEditingOff(false);\n                }\n            } else {\n                this.turnEditingOn();\n            }\n        }, this));\n\n        this.wrapper.on('click keypress', '[data-passwordunmask=\"unmask\"]', $.proxy(function(e) {\n            if (e.type === 'keypress' && e.keyCode !== 13) {\n                return;\n            }\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            // Toggle the data attribute.\n            this.wrapper.data('unmasked', !this.wrapper.data('unmasked'));\n\n            this.setDisplayValue();\n        }, this));\n\n        this.wrapper.on('keydown', 'input', $.proxy(function(e) {\n            if (e.type === 'keydown' && e.keyCode !== 13) {\n                return;\n            }\n\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            this.turnEditingOff(true);\n        }, this));\n\n        this.inputFieldLabel.on('click', $.proxy(function(e) {\n            e.preventDefault();\n\n            this.turnEditingOn();\n        }, this));\n\n        return this;\n    };\n\n    /**\n     * Check whether focus was lost from the PasswordUnmask and turn editing off if required.\n     *\n     * @method  checkFocusOut\n     * @param   {EventFacade}   e       The EventFacade generating the suspsected Focus Out\n     */\n    PasswordUnmask.prototype.checkFocusOut = function(e) {\n        if (!this.isEditing()) {\n            // Ignore - not editing.\n            return;\n        }\n\n        window.setTimeout($.proxy(function() {\n            // Firefox does not have the focusout event. Instead jQuery falls back to the 'blur' event.\n            // The blur event does not have a relatedTarget, so instead we use a timeout and the new activeElement.\n            var relatedTarget = e.relatedTarget || document.activeElement;\n            if (this.wrapper.has($(relatedTarget)).length) {\n                // Ignore, some part of the element is still active.\n                return;\n            }\n\n            // Only focus on the edit link if the new related target is not an input field or anchor.\n            this.turnEditingOff(!$(relatedTarget).is(':input,a'));\n        }, this), 100);\n    };\n\n    /**\n     * Whether the password is currently visible (unmasked).\n     *\n     * @method  passwordVisible\n     * @return  {Boolean}            True if the password is unmasked\n     */\n    PasswordUnmask.prototype.passwordVisible = function() {\n        return !!this.wrapper.data('unmasked');\n    };\n\n    /**\n     * Whether the user is currently editing the field.\n     *\n     * @method  isEditing\n     * @return  {Boolean}            True if edit mode is enabled\n     */\n    PasswordUnmask.prototype.isEditing = function() {\n        return this.inputField.attr('type') !== 'hidden';\n    };\n\n    /**\n     * Enable the editing functionality.\n     *\n     * @method  turnEditingOn\n     * @return  {PasswordUnmask}\n     * @chainable\n     */\n    PasswordUnmask.prototype.turnEditingOn = function() {\n        var value = this.getDisplayValue();\n        if (this.passwordVisible()) {\n            this.inputField.attr('type', 'text');\n        } else {\n            this.inputField.attr('type', 'password');\n        }\n        this.inputField.val(value);\n        this.inputField.attr('size', this.inputField.attr('data-size'));\n\n        if (this.editInstructions.length) {\n            this.inputField.attr('aria-describedby', this.editInstructions.attr('id'));\n            this.editInstructions.show();\n        }\n\n        this.wrapper.attr('data-passwordunmask-visible', 1);\n\n        this.editLink.hide();\n        this.inputField\n            .focus()\n            .select();\n\n        // Note, this cannot be added as a delegated listener on init because Firefox does not support the FocusOut\n        // event (https://bugzilla.mozilla.org/show_bug.cgi?id=687787) and the blur event does not identify the\n        // relatedTarget.\n        // The act of focusing the this.inputField means that in Firefox the focusout will be triggered on blur of the edit\n        // link anchor.\n        $('body').on('focusout', this.wrapperSelector, $.proxy(this.checkFocusOut, this));\n\n        return this;\n    };\n\n    /**\n     * Disable the editing functionality, optionally focusing on the edit link.\n     *\n     * @method  turnEditingOff\n     * @param   {Boolean}       focusOnEditLink     Whether to focus on the edit link after disabling the editor\n     * @return  {PasswordUnmask}\n     * @chainable\n     */\n    PasswordUnmask.prototype.turnEditingOff = function(focusOnEditLink) {\n        $('body').off('focusout', this.wrapperSelector, this.checkFocusOut);\n        var value = this.getDisplayValue();\n        this.inputField\n            // Hide the field again.\n            .attr('type', 'hidden')\n\n            // Ensure that the aria-describedby is removed.\n            .attr('aria-describedby', null);\n        this.inputField.val(value);\n\n        this.editInstructions.hide();\n\n        // Remove the visible attr.\n        this.wrapper.removeAttr('data-passwordunmask-visible');\n\n        // Remove the size attr.\n        this.inputField.removeAttr('size');\n\n        this.editLink.show();\n        this.setDisplayValue();\n\n        if (focusOnEditLink) {\n            this.editLink.focus();\n        }\n\n        return this;\n    };\n\n    /**\n     * Get the currently value.\n     *\n     * @method  getDisplayValue\n     * @return  {String}\n     */\n    PasswordUnmask.prototype.getDisplayValue = function() {\n        return this.inputField.val();\n    };\n\n    /**\n     * Set the currently value in the display, taking into account the current settings.\n     *\n     * @method  setDisplayValue\n     * @return  {PasswordUnmask}\n     * @chainable\n     */\n    PasswordUnmask.prototype.setDisplayValue = function() {\n        var value = this.getDisplayValue();\n        if (this.isEditing()) {\n            if (this.wrapper.data('unmasked')) {\n                this.inputField.attr('type', 'text');\n            } else {\n                this.inputField.attr('type', 'password');\n            }\n            this.inputField.val(value);\n        }\n\n        // Update the display value.\n        // Note: This must always be updated.\n        // The unmask value can be changed whilst editing and the editing can then be disabled.\n        if (value && this.wrapper.data('unmasked')) {\n            // There is a value, and we will show it.\n            this.displayValue.text(value);\n        } else {\n            if (!value) {\n                value = \"\";\n            }\n            // There is a value, but it will be disguised.\n            // We use the passwordunmask-fill to allow modification of the fill and to ensure that the display does not\n            // change as the page loads the JS.\n            Template.render('core_form/element-passwordunmask-fill', {\n                element: {\n                    frozen:     this.inputField.is('[readonly]'),\n                    value:      value,\n                    valuechars: value.split(''),\n                },\n            }).done($.proxy(function(html, js) {\n                this.displayValue.html(html);\n\n                Template.runTemplateJS(js);\n            }, this));\n        }\n\n        return this;\n    };\n\n    return PasswordUnmask;\n});\n"],"file":"passwordunmask.min.js"}
\ No newline at end of file
+{"version":3,"file":"passwordunmask.min.js","sources":["../src/passwordunmask.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Password Unmask functionality.\n *\n * @module     core_form/passwordunmask\n * @package    core_form\n * @class      passwordunmask\n * @copyright  2016 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery', 'core/templates'], function($, Template) {\n\n    /**\n     * Constructor for PasswordUnmask.\n     *\n     * @param   {String}    elementid   The element to apply the PasswordUnmask to\n     */\n    var PasswordUnmask = function(elementid) {\n        // Setup variables.\n        this.wrapperSelector = '[data-passwordunmask=\"wrapper\"][data-passwordunmaskid=\"' + elementid + '\"]';\n        this.wrapper = $(this.wrapperSelector);\n        this.editorSpace = this.wrapper.find('[data-passwordunmask=\"editor\"]');\n        this.editLink = this.wrapper.find('a[data-passwordunmask=\"edit\"]');\n        this.editInstructions = this.wrapper.find('[data-passwordunmask=\"instructions\"]');\n        this.displayValue = this.wrapper.find('[data-passwordunmask=\"displayvalue\"]');\n        this.inputFieldLabel = $('label[for=\"' + elementid + '\"]');\n\n        this.inputField = this.editorSpace.find(document.getElementById(elementid));\n        this.inputField.attr('type', 'hidden');\n        this.inputField.removeClass('hiddenifjs');\n\n        if (!this.editInstructions.attr('id')) {\n            this.editInstructions.attr('id', elementid + '_instructions');\n        }\n        this.editInstructions.hide();\n\n        this.setDisplayValue();\n\n        // Add the listeners.\n        this.addListeners();\n    };\n\n    /**\n     * Add the event listeners required for PasswordUnmask.\n     *\n     * @method  addListeners\n     * @return  {PasswordUnmask}\n     * @chainable\n     */\n    PasswordUnmask.prototype.addListeners = function() {\n        this.wrapper.on('click keypress', '[data-passwordunmask=\"edit\"]', $.proxy(function(e) {\n            if (e.type === 'keypress' && e.keyCode !== 13) {\n                return;\n            }\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            if (this.inputField.attr('type') !== 'hidden') {\n                // Only focus on the edit link if the event was not a click, and the new target is not an input field.\n                if (e.type !== 'click' && !$(e.relatedTarget).is(':input')) {\n                    this.turnEditingOff(true);\n                } else {\n                    this.turnEditingOff(false);\n                }\n            } else {\n                this.turnEditingOn();\n            }\n        }, this));\n\n        this.wrapper.on('click keypress', '[data-passwordunmask=\"unmask\"]', $.proxy(function(e) {\n            if (e.type === 'keypress' && e.keyCode !== 13) {\n                return;\n            }\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            // Toggle the data attribute.\n            this.wrapper.data('unmasked', !this.wrapper.data('unmasked'));\n\n            this.setDisplayValue();\n        }, this));\n\n        this.wrapper.on('keydown', 'input', $.proxy(function(e) {\n            if (e.type === 'keydown' && e.keyCode !== 13) {\n                return;\n            }\n\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            this.turnEditingOff(true);\n        }, this));\n\n        this.inputFieldLabel.on('click', $.proxy(function(e) {\n            e.preventDefault();\n\n            this.turnEditingOn();\n        }, this));\n\n        return this;\n    };\n\n    /**\n     * Check whether focus was lost from the PasswordUnmask and turn editing off if required.\n     *\n     * @method  checkFocusOut\n     * @param   {EventFacade}   e       The EventFacade generating the suspsected Focus Out\n     */\n    PasswordUnmask.prototype.checkFocusOut = function(e) {\n        if (!this.isEditing()) {\n            // Ignore - not editing.\n            return;\n        }\n\n        window.setTimeout($.proxy(function() {\n            // Firefox does not have the focusout event. Instead jQuery falls back to the 'blur' event.\n            // The blur event does not have a relatedTarget, so instead we use a timeout and the new activeElement.\n            var relatedTarget = e.relatedTarget || document.activeElement;\n            if (this.wrapper.has($(relatedTarget)).length) {\n                // Ignore, some part of the element is still active.\n                return;\n            }\n\n            // Only focus on the edit link if the new related target is not an input field or anchor.\n            this.turnEditingOff(!$(relatedTarget).is(':input,a'));\n        }, this), 100);\n    };\n\n    /**\n     * Whether the password is currently visible (unmasked).\n     *\n     * @method  passwordVisible\n     * @return  {Boolean}            True if the password is unmasked\n     */\n    PasswordUnmask.prototype.passwordVisible = function() {\n        return !!this.wrapper.data('unmasked');\n    };\n\n    /**\n     * Whether the user is currently editing the field.\n     *\n     * @method  isEditing\n     * @return  {Boolean}            True if edit mode is enabled\n     */\n    PasswordUnmask.prototype.isEditing = function() {\n        return this.inputField.attr('type') !== 'hidden';\n    };\n\n    /**\n     * Enable the editing functionality.\n     *\n     * @method  turnEditingOn\n     * @return  {PasswordUnmask}\n     * @chainable\n     */\n    PasswordUnmask.prototype.turnEditingOn = function() {\n        var value = this.getDisplayValue();\n        if (this.passwordVisible()) {\n            this.inputField.attr('type', 'text');\n        } else {\n            this.inputField.attr('type', 'password');\n        }\n        this.inputField.val(value);\n        this.inputField.attr('size', this.inputField.attr('data-size'));\n\n        if (this.editInstructions.length) {\n            this.inputField.attr('aria-describedby', this.editInstructions.attr('id'));\n            this.editInstructions.show();\n        }\n\n        this.wrapper.attr('data-passwordunmask-visible', 1);\n\n        this.editLink.hide();\n        this.inputField\n            .focus()\n            .select();\n\n        // Note, this cannot be added as a delegated listener on init because Firefox does not support the FocusOut\n        // event (https://bugzilla.mozilla.org/show_bug.cgi?id=687787) and the blur event does not identify the\n        // relatedTarget.\n        // The act of focusing the this.inputField means that in Firefox the focusout will be triggered on blur of the edit\n        // link anchor.\n        $('body').on('focusout', this.wrapperSelector, $.proxy(this.checkFocusOut, this));\n\n        return this;\n    };\n\n    /**\n     * Disable the editing functionality, optionally focusing on the edit link.\n     *\n     * @method  turnEditingOff\n     * @param   {Boolean}       focusOnEditLink     Whether to focus on the edit link after disabling the editor\n     * @return  {PasswordUnmask}\n     * @chainable\n     */\n    PasswordUnmask.prototype.turnEditingOff = function(focusOnEditLink) {\n        $('body').off('focusout', this.wrapperSelector, this.checkFocusOut);\n        var value = this.getDisplayValue();\n        this.inputField\n            // Hide the field again.\n            .attr('type', 'hidden')\n\n            // Ensure that the aria-describedby is removed.\n            .attr('aria-describedby', null);\n        this.inputField.val(value);\n\n        this.editInstructions.hide();\n\n        // Remove the visible attr.\n        this.wrapper.removeAttr('data-passwordunmask-visible');\n\n        // Remove the size attr.\n        this.inputField.removeAttr('size');\n\n        this.editLink.show();\n        this.setDisplayValue();\n\n        if (focusOnEditLink) {\n            this.editLink.focus();\n        }\n\n        return this;\n    };\n\n    /**\n     * Get the currently value.\n     *\n     * @method  getDisplayValue\n     * @return  {String}\n     */\n    PasswordUnmask.prototype.getDisplayValue = function() {\n        return this.inputField.val();\n    };\n\n    /**\n     * Set the currently value in the display, taking into account the current settings.\n     *\n     * @method  setDisplayValue\n     * @return  {PasswordUnmask}\n     * @chainable\n     */\n    PasswordUnmask.prototype.setDisplayValue = function() {\n        var value = this.getDisplayValue();\n        if (this.isEditing()) {\n            if (this.wrapper.data('unmasked')) {\n                this.inputField.attr('type', 'text');\n            } else {\n                this.inputField.attr('type', 'password');\n            }\n            this.inputField.val(value);\n        }\n\n        // Update the display value.\n        // Note: This must always be updated.\n        // The unmask value can be changed whilst editing and the editing can then be disabled.\n        if (value && this.wrapper.data('unmasked')) {\n            // There is a value, and we will show it.\n            this.displayValue.text(value);\n        } else {\n            if (!value) {\n                value = \"\";\n            }\n            // There is a value, but it will be disguised.\n            // We use the passwordunmask-fill to allow modification of the fill and to ensure that the display does not\n            // change as the page loads the JS.\n            Template.render('core_form/element-passwordunmask-fill', {\n                element: {\n                    frozen:     this.inputField.is('[readonly]'),\n                    value:      value,\n                    valuechars: value.split(''),\n                },\n            }).done($.proxy(function(html, js) {\n                this.displayValue.html(html);\n\n                Template.runTemplateJS(js);\n            }, this));\n        }\n\n        return this;\n    };\n\n    return PasswordUnmask;\n});\n"],"names":["define","$","Template","PasswordUnmask","elementid","wrapperSelector","wrapper","this","editorSpace","find","editLink","editInstructions","displayValue","inputFieldLabel","inputField","document","getElementById","attr","removeClass","hide","setDisplayValue","addListeners","prototype","on","proxy","e","type","keyCode","stopImmediatePropagation","preventDefault","relatedTarget","is","turnEditingOff","turnEditingOn","data","checkFocusOut","isEditing","window","setTimeout","activeElement","has","length","passwordVisible","value","getDisplayValue","val","show","focus","select","focusOnEditLink","off","removeAttr","text","render","element","frozen","valuechars","split","done","html","js","runTemplateJS"],"mappings":";;;;;;;;;;AAyBAA,kCAAO,CAAC,SAAU,mBAAmB,SAASC,EAAGC,cAOzCC,eAAiB,SAASC,gBAErBC,gBAAkB,0DAA4DD,UAAY,UAC1FE,QAAUL,EAAEM,KAAKF,sBACjBG,YAAcD,KAAKD,QAAQG,KAAK,uCAChCC,SAAWH,KAAKD,QAAQG,KAAK,sCAC7BE,iBAAmBJ,KAAKD,QAAQG,KAAK,6CACrCG,aAAeL,KAAKD,QAAQG,KAAK,6CACjCI,gBAAkBZ,EAAE,cAAgBG,UAAY,WAEhDU,WAAaP,KAAKC,YAAYC,KAAKM,SAASC,eAAeZ,iBAC3DU,WAAWG,KAAK,OAAQ,eACxBH,WAAWI,YAAY,cAEvBX,KAAKI,iBAAiBM,KAAK,YACvBN,iBAAiBM,KAAK,KAAMb,UAAY,sBAE5CO,iBAAiBQ,YAEjBC,uBAGAC,uBAUTlB,eAAemB,UAAUD,aAAe,uBAC/Bf,QAAQiB,GAAG,iBAAkB,+BAAgCtB,EAAEuB,OAAM,SAASC,GAChE,aAAXA,EAAEC,MAAqC,KAAdD,EAAEE,UAG/BF,EAAEG,2BACFH,EAAEI,iBAEmC,WAAjCtB,KAAKO,WAAWG,KAAK,QAEN,UAAXQ,EAAEC,MAAqBzB,EAAEwB,EAAEK,eAAeC,GAAG,eAGxCC,gBAAe,QAFfA,gBAAe,QAKnBC,mBAEV1B,YAEED,QAAQiB,GAAG,iBAAkB,iCAAkCtB,EAAEuB,OAAM,SAASC,GAClE,aAAXA,EAAEC,MAAqC,KAAdD,EAAEE,UAG/BF,EAAEG,2BACFH,EAAEI,sBAGGvB,QAAQ4B,KAAK,YAAa3B,KAAKD,QAAQ4B,KAAK,kBAE5Cd,qBACNb,YAEED,QAAQiB,GAAG,UAAW,QAAStB,EAAEuB,OAAM,SAASC,GAClC,YAAXA,EAAEC,MAAoC,KAAdD,EAAEE,UAI9BF,EAAEG,2BACFH,EAAEI,sBAEGG,gBAAe,MACrBzB,YAEEM,gBAAgBU,GAAG,QAAStB,EAAEuB,OAAM,SAASC,GAC9CA,EAAEI,sBAEGI,kBACN1B,OAEIA,MASXJ,eAAemB,UAAUa,cAAgB,SAASV,GACzClB,KAAK6B,aAKVC,OAAOC,WAAWrC,EAAEuB,OAAM,eAGlBM,cAAgBL,EAAEK,eAAiBf,SAASwB,cAC5ChC,KAAKD,QAAQkC,IAAIvC,EAAE6B,gBAAgBW,aAMlCT,gBAAgB/B,EAAE6B,eAAeC,GAAG,eAC1CxB,MAAO,MASdJ,eAAemB,UAAUoB,gBAAkB,mBAC9BnC,KAAKD,QAAQ4B,KAAK,aAS/B/B,eAAemB,UAAUc,UAAY,iBACO,WAAjC7B,KAAKO,WAAWG,KAAK,SAUhCd,eAAemB,UAAUW,cAAgB,eACjCU,MAAQpC,KAAKqC,yBACbrC,KAAKmC,uBACA5B,WAAWG,KAAK,OAAQ,aAExBH,WAAWG,KAAK,OAAQ,iBAE5BH,WAAW+B,IAAIF,YACf7B,WAAWG,KAAK,OAAQV,KAAKO,WAAWG,KAAK,cAE9CV,KAAKI,iBAAiB8B,cACjB3B,WAAWG,KAAK,mBAAoBV,KAAKI,iBAAiBM,KAAK,YAC/DN,iBAAiBmC,aAGrBxC,QAAQW,KAAK,8BAA+B,QAE5CP,SAASS,YACTL,WACAiC,QACAC,SAOL/C,EAAE,QAAQsB,GAAG,WAAYhB,KAAKF,gBAAiBJ,EAAEuB,MAAMjB,KAAK4B,cAAe5B,OAEpEA,MAWXJ,eAAemB,UAAUU,eAAiB,SAASiB,iBAC/ChD,EAAE,QAAQiD,IAAI,WAAY3C,KAAKF,gBAAiBE,KAAK4B,mBACjDQ,MAAQpC,KAAKqC,8BACZ9B,WAEAG,KAAK,OAAQ,UAGbA,KAAK,mBAAoB,WACzBH,WAAW+B,IAAIF,YAEfhC,iBAAiBQ,YAGjBb,QAAQ6C,WAAW,oCAGnBrC,WAAWqC,WAAW,aAEtBzC,SAASoC,YACT1B,kBAED6B,sBACKvC,SAASqC,QAGXxC,MASXJ,eAAemB,UAAUsB,gBAAkB,kBAChCrC,KAAKO,WAAW+B,OAU3B1C,eAAemB,UAAUF,gBAAkB,eACnCuB,MAAQpC,KAAKqC,yBACbrC,KAAK6B,cACD7B,KAAKD,QAAQ4B,KAAK,iBACbpB,WAAWG,KAAK,OAAQ,aAExBH,WAAWG,KAAK,OAAQ,iBAE5BH,WAAW+B,IAAIF,QAMpBA,OAASpC,KAAKD,QAAQ4B,KAAK,iBAEtBtB,aAAawC,KAAKT,QAElBA,QACDA,MAAQ,IAKZzC,SAASmD,OAAO,wCAAyC,CACrDC,QAAS,CACLC,OAAYhD,KAAKO,WAAWiB,GAAG,cAC/BY,MAAYA,MACZa,WAAYb,MAAMc,MAAM,OAE7BC,KAAKzD,EAAEuB,OAAM,SAASmC,KAAMC,SACtBhD,aAAa+C,KAAKA,MAEvBzD,SAAS2D,cAAcD,MACxBrD,QAGAA,MAGJJ"}
\ No newline at end of file
diff --git a/lib/form/amd/build/showadvanced.min.js b/lib/form/amd/build/showadvanced.min.js
index 5a86af8007e..6e34e592941 100644
--- a/lib/form/amd/build/showadvanced.min.js
+++ b/lib/form/amd/build/showadvanced.min.js
@@ -1,2 +1,12 @@
-define ("core_form/showadvanced",["jquery","core/log","core/str","core/notification"],function(a,b,c,d){var f={FIELDSETCONTAINSADVANCED:"fieldset.containsadvancedelements",DIVFITEMADVANCED:"div.fitem.advanced",DIVADVANCEDSECTION:"div#form-advanced-div",DIVFCONTAINER:"div.fcontainer",MORELESSLINK:"fieldset.containsadvancedelements .moreless-toggler"},g={SHOW:"show",MORELESSACTIONS:"moreless-actions",MORELESSTOGGLER:"moreless-toggler",SHOWLESS:"moreless-less"},h={FITEM:"<div class=\"fitem\"></div>",FELEMENT:"<div class=\"felement\"></div>",ADVANCEDDIV:"<div id=\"form-advanced-div\"></div>"},i=0,j=function(b){this.id=b;var c=a(document.getElementById(b));this.enhanceForm(c)};j.prototype.id="";j.prototype.enhanceForm=function(b){var c=b.find(f.FIELDSETCONTAINSADVANCED);c.each(function(b,c){this.enhanceFieldset(a(c))}.bind(this));b.on("click",f.MORELESSLINK,this.switchState);b.on("keydown",f.MORELESSLINK,function(a){if(13==a.which||32==a.which){return this.switchState(a)}return!0}.bind(this));return this};j.prototype.generateId=function(a){var b=a.prop("id");if("undefined"==typeof b){b="showadvancedid-"+i++;a.prop("id",b)}return b};j.prototype.enhanceFieldset=function(e){var i=a("input[name=mform_showmore_"+e.prop("id")+"]");if(!i.length){b.debug("M.form.showadvanced::processFieldset was called on an fieldset without a status field: '"+e.prop("id")+"'");return this}c.get_strings([{key:"showmore",component:"core_form"},{key:"showless",component:"core_form"}]).then(function(b){var c=b[0],d=b[1],j=a("<a href=\"#\"></a>");j.addClass(g.MORELESSTOGGLER);if("0"===i.val()){j.html(c);j.attr("aria-expanded","false")}else{j.html(d);j.attr("aria-expanded","true");j.addClass(g.SHOWLESS);e.find(f.DIVFITEMADVANCED).addClass(g.SHOW)}var k=[];e.find(f.DIVFITEMADVANCED).each(function(b,c){k[k.length]=this.generateId(a(c))}.bind(this));j.attr("role","button");j.attr("aria-controls","form-advanced-div");var l=a(h.ADVANCEDDIV);e.find(f.DIVFITEMADVANCED).wrapAll(l);var m=a(h.FITEM);m.addClass(g.MORELESSACTIONS);var n=a(h.FELEMENT);n.append(j);m.append(n);e.find(f.DIVADVANCEDSECTION).before(m);return!0}.bind(this)).fail(d.exception);return this};j.prototype.switchState=function(b){b.preventDefault();c.get_strings([{key:"showmore",component:"core_form"},{key:"showless",component:"core_form"}]).then(function(c){var d=c[0],e=c[1],h=a(b.target).closest(f.FIELDSETCONTAINSADVANCED);h.find(f.DIVFITEMADVANCED).toggleClass(g.SHOW);var i=a("input[name=mform_showmore_"+h.prop("id")+"]");if("0"===i.val()){i.val(1);a(b.target).addClass(g.SHOWLESS);a(b.target).html(e);a(b.target).attr("aria-expanded","true")}else{i.val(0);a(b.target).removeClass(g.SHOWLESS);a(b.target).html(d);a(b.target).attr("aria-expanded","false")}return!0}).fail(d.exception);return this};return{init:function init(a){return new j(a)}}});
-//# sourceMappingURL=showadvanced.min.js.map
+/**
+ * A class to help show and hide advanced form content.
+ *
+ * @module     core_form/showadvanced
+ * @class      showadvanced
+ * @package    core_form
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_form/showadvanced",["jquery","core/log","core/str","core/notification"],(function($,Log,Strings,Notification){var SELECTORS_FIELDSETCONTAINSADVANCED="fieldset.containsadvancedelements",SELECTORS_DIVFITEMADVANCED="div.fitem.advanced",SELECTORS_DIVADVANCEDSECTION="div#form-advanced-div",SELECTORS_MORELESSLINK="fieldset.containsadvancedelements .moreless-toggler",CSS_SHOW="show",CSS_MORELESSACTIONS="moreless-actions",CSS_MORELESSTOGGLER="moreless-toggler",CSS_SHOWLESS="moreless-less",WRAPPERS_FITEM='<div class="fitem"></div>',WRAPPERS_FELEMENT='<div class="felement"></div>',WRAPPERS_ADVANCEDDIV='<div id="form-advanced-div"></div>',uniqIdSeed=0,ShowAdvanced=function(id){this.id=id;var form=$(document.getElementById(id));this.enhanceForm(form)};return ShowAdvanced.prototype.id="",ShowAdvanced.prototype.enhanceForm=function(form){return form.find(SELECTORS_FIELDSETCONTAINSADVANCED).each(function(index,item){this.enhanceFieldset($(item))}.bind(this)),form.on("click",SELECTORS_MORELESSLINK,this.switchState),form.on("keydown",SELECTORS_MORELESSLINK,function(e){return 13!=e.which&&32!=e.which||this.switchState(e)}.bind(this)),this},ShowAdvanced.prototype.generateId=function(node){var id=node.prop("id");return void 0===id&&(id="showadvancedid-"+uniqIdSeed++,node.prop("id",id)),id},ShowAdvanced.prototype.enhanceFieldset=function(fieldset){var statuselement=$("input[name=mform_showmore_"+fieldset.prop("id")+"]");return statuselement.length?(Strings.get_strings([{key:"showmore",component:"core_form"},{key:"showless",component:"core_form"}]).then(function(results){var showmore=results[0],showless=results[1],morelesslink=$('<a href="#"></a>');morelesslink.addClass(CSS_MORELESSTOGGLER),"0"===statuselement.val()?(morelesslink.html(showmore),morelesslink.attr("aria-expanded","false")):(morelesslink.html(showless),morelesslink.attr("aria-expanded","true"),morelesslink.addClass(CSS_SHOWLESS),fieldset.find(SELECTORS_DIVFITEMADVANCED).addClass(CSS_SHOW));var idlist=[];fieldset.find(SELECTORS_DIVFITEMADVANCED).each(function(index,node){idlist[idlist.length]=this.generateId($(node))}.bind(this)),morelesslink.attr("role","button"),morelesslink.attr("aria-controls","form-advanced-div");var formadvancedsection=$(WRAPPERS_ADVANCEDDIV);fieldset.find(SELECTORS_DIVFITEMADVANCED).wrapAll(formadvancedsection);var fitem=$(WRAPPERS_FITEM);fitem.addClass(CSS_MORELESSACTIONS);var felement=$(WRAPPERS_FELEMENT);return felement.append(morelesslink),fitem.append(felement),fieldset.find(SELECTORS_DIVADVANCEDSECTION).before(fitem),!0}.bind(this)).fail(Notification.exception),this):(Log.debug("M.form.showadvanced::processFieldset was called on an fieldset without a status field: '"+fieldset.prop("id")+"'"),this)},ShowAdvanced.prototype.switchState=function(e){return e.preventDefault(),Strings.get_strings([{key:"showmore",component:"core_form"},{key:"showless",component:"core_form"}]).then((function(results){var showmore=results[0],showless=results[1],fieldset=$(e.target).closest(SELECTORS_FIELDSETCONTAINSADVANCED);fieldset.find(SELECTORS_DIVFITEMADVANCED).toggleClass(CSS_SHOW);var statuselement=$("input[name=mform_showmore_"+fieldset.prop("id")+"]");return"0"===statuselement.val()?(statuselement.val(1),$(e.target).addClass(CSS_SHOWLESS),$(e.target).html(showless),$(e.target).attr("aria-expanded","true")):(statuselement.val(0),$(e.target).removeClass(CSS_SHOWLESS),$(e.target).html(showmore),$(e.target).attr("aria-expanded","false")),!0})).fail(Notification.exception),this},{init:function(formid){return new ShowAdvanced(formid)}}}));
+
+//# sourceMappingURL=showadvanced.min.js.map
\ No newline at end of file
diff --git a/lib/form/amd/build/showadvanced.min.js.map b/lib/form/amd/build/showadvanced.min.js.map
index 71a633548c7..ead4e3e6083 100644
--- a/lib/form/amd/build/showadvanced.min.js.map
+++ b/lib/form/amd/build/showadvanced.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A class to help show and hide advanced form content.\n *\n * @module     core_form/showadvanced\n * @class      showadvanced\n * @package    core_form\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/log', 'core/str', 'core/notification'], function($, Log, Strings, Notification) {\n\n    var SELECTORS = {\n            FIELDSETCONTAINSADVANCED: 'fieldset.containsadvancedelements',\n            DIVFITEMADVANCED: 'div.fitem.advanced',\n            DIVADVANCEDSECTION: 'div#form-advanced-div',\n            DIVFCONTAINER: 'div.fcontainer',\n            MORELESSLINK: 'fieldset.containsadvancedelements .moreless-toggler'\n        },\n        CSS = {\n            SHOW: 'show',\n            MORELESSACTIONS: 'moreless-actions',\n            MORELESSTOGGLER: 'moreless-toggler',\n            SHOWLESS: 'moreless-less'\n        },\n        WRAPPERS = {\n            FITEM: '<div class=\"fitem\"></div>',\n            FELEMENT: '<div class=\"felement\"></div>',\n            ADVANCEDDIV: '<div id=\"form-advanced-div\"></div>'\n        },\n        IDPREFIX = 'showadvancedid-';\n\n    /** @type {Integer} uniqIdSeed Auto incrementing number used to generate ids. */\n    var uniqIdSeed = 0;\n\n    /**\n     * ShowAdvanced behaviour class.\n     * @param {String} id The id of the form.\n     */\n    var ShowAdvanced = function(id) {\n        this.id = id;\n\n        var form = $(document.getElementById(id));\n        this.enhanceForm(form);\n    };\n\n    /** @type {String} id The form id to enhance. */\n    ShowAdvanced.prototype.id = '';\n\n    /**\n     * @method enhanceForm\n     * @param {JQuery} form JQuery selector representing the form\n     * @return {ShowAdvanced}\n     */\n    ShowAdvanced.prototype.enhanceForm = function(form) {\n        var fieldsets = form.find(SELECTORS.FIELDSETCONTAINSADVANCED);\n\n        // Enhance each fieldset in the form matching the selector.\n        fieldsets.each(function(index, item) {\n            this.enhanceFieldset($(item));\n        }.bind(this));\n\n        // Attach some event listeners.\n        // Subscribe more/less links to click event.\n        form.on('click', SELECTORS.MORELESSLINK, this.switchState);\n\n        // Subscribe to key events but filter for space or enter.\n        form.on('keydown', SELECTORS.MORELESSLINK, function(e) {\n            // Enter or space.\n            if (e.which == 13 || e.which == 32) {\n                return this.switchState(e);\n            }\n            return true;\n        }.bind(this));\n        return this;\n    };\n\n\n    /**\n     * Generates a uniq id for the dom element it's called on unless the element already has an id.\n     * The id is set on the dom node before being returned.\n     *\n     * @method generateId\n     * @param {JQuery} node JQuery selector representing a single DOM Node.\n     * @return {String}\n     */\n    ShowAdvanced.prototype.generateId = function(node) {\n        var id = node.prop('id');\n        if (typeof id === 'undefined') {\n            id = IDPREFIX + (uniqIdSeed++);\n            node.prop('id', id);\n        }\n        return id;\n    };\n\n    /**\n     * @method enhanceFieldset\n     * @param {JQuery} fieldset JQuery selector representing a fieldset\n     * @return {ShowAdvanced}\n     */\n    ShowAdvanced.prototype.enhanceFieldset = function(fieldset) {\n        var statuselement = $('input[name=mform_showmore_' + fieldset.prop('id') + ']');\n        if (!statuselement.length) {\n            Log.debug(\"M.form.showadvanced::processFieldset was called on an fieldset without a status field: '\" +\n                fieldset.prop('id') + \"'\");\n            return this;\n        }\n\n        // Fetch some strings.\n        Strings.get_strings([{\n            key: 'showmore',\n            component: 'core_form'\n        }, {\n            key: 'showless',\n            component: 'core_form'\n        }]).then(function(results) {\n            var showmore = results[0],\n                showless = results[1];\n\n            // Generate more/less links.\n            var morelesslink = $('<a href=\"#\"></a>');\n            morelesslink.addClass(CSS.MORELESSTOGGLER);\n            if (statuselement.val() === '0') {\n                morelesslink.html(showmore);\n                morelesslink.attr('aria-expanded', 'false');\n            } else {\n                morelesslink.html(showless);\n                morelesslink.attr('aria-expanded', 'true');\n                morelesslink.addClass(CSS.SHOWLESS);\n                fieldset.find(SELECTORS.DIVFITEMADVANCED).addClass(CSS.SHOW);\n            }\n            // Build a list of advanced fieldsets.\n            var idlist = [];\n            fieldset.find(SELECTORS.DIVFITEMADVANCED).each(function(index, node) {\n                idlist[idlist.length] = this.generateId($(node));\n            }.bind(this));\n\n            // Set aria attributes.\n            morelesslink.attr('role', 'button');\n            morelesslink.attr('aria-controls', 'form-advanced-div');\n\n            var formadvancedsection = $(WRAPPERS.ADVANCEDDIV);\n            fieldset.find(SELECTORS.DIVFITEMADVANCED).wrapAll(formadvancedsection);\n            // Add elements to the DOM.\n            var fitem = $(WRAPPERS.FITEM);\n            fitem.addClass(CSS.MORELESSACTIONS);\n            var felement = $(WRAPPERS.FELEMENT);\n            felement.append(morelesslink);\n            fitem.append(felement);\n\n            fieldset.find(SELECTORS.DIVADVANCEDSECTION).before(fitem);\n            return true;\n        }.bind(this)).fail(Notification.exception);\n\n        return this;\n    };\n\n    /**\n     * @method switchState\n     * @param {Event} e Event that triggered this action.\n     * @return {Boolean}\n     */\n    ShowAdvanced.prototype.switchState = function(e) {\n        e.preventDefault();\n\n        // Fetch some strings.\n        Strings.get_strings([{\n            key: 'showmore',\n            component: 'core_form'\n        }, {\n            key: 'showless',\n            component: 'core_form'\n        }]).then(function(results) {\n            var showmore = results[0],\n                showless = results[1],\n                fieldset = $(e.target).closest(SELECTORS.FIELDSETCONTAINSADVANCED);\n\n            // Toggle collapsed class.\n            fieldset.find(SELECTORS.DIVFITEMADVANCED).toggleClass(CSS.SHOW);\n\n            // Get corresponding hidden variable.\n            var statuselement = $('input[name=mform_showmore_' + fieldset.prop('id') + ']');\n\n            // Invert it and change the link text.\n            if (statuselement.val() === '0') {\n                statuselement.val(1);\n                $(e.target).addClass(CSS.SHOWLESS);\n                $(e.target).html(showless);\n                $(e.target).attr('aria-expanded', 'true');\n            } else {\n                statuselement.val(0);\n                $(e.target).removeClass(CSS.SHOWLESS);\n                $(e.target).html(showmore);\n                $(e.target).attr('aria-expanded', 'false');\n            }\n            return true;\n        }).fail(Notification.exception);\n\n        return this;\n    };\n\n    return {\n        /**\n         * Initialise this module.\n         * @method init\n         * @param {String} formid\n         * @return {ShowAdvanced}\n         */\n        init: function(formid) {\n            return new ShowAdvanced(formid);\n        }\n    };\n});\n"],"file":"showadvanced.min.js"}
\ No newline at end of file
+{"version":3,"file":"showadvanced.min.js","sources":["../src/showadvanced.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A class to help show and hide advanced form content.\n *\n * @module     core_form/showadvanced\n * @class      showadvanced\n * @package    core_form\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/log', 'core/str', 'core/notification'], function($, Log, Strings, Notification) {\n\n    var SELECTORS = {\n            FIELDSETCONTAINSADVANCED: 'fieldset.containsadvancedelements',\n            DIVFITEMADVANCED: 'div.fitem.advanced',\n            DIVADVANCEDSECTION: 'div#form-advanced-div',\n            DIVFCONTAINER: 'div.fcontainer',\n            MORELESSLINK: 'fieldset.containsadvancedelements .moreless-toggler'\n        },\n        CSS = {\n            SHOW: 'show',\n            MORELESSACTIONS: 'moreless-actions',\n            MORELESSTOGGLER: 'moreless-toggler',\n            SHOWLESS: 'moreless-less'\n        },\n        WRAPPERS = {\n            FITEM: '<div class=\"fitem\"></div>',\n            FELEMENT: '<div class=\"felement\"></div>',\n            ADVANCEDDIV: '<div id=\"form-advanced-div\"></div>'\n        },\n        IDPREFIX = 'showadvancedid-';\n\n    /** @type {Integer} uniqIdSeed Auto incrementing number used to generate ids. */\n    var uniqIdSeed = 0;\n\n    /**\n     * ShowAdvanced behaviour class.\n     * @param {String} id The id of the form.\n     */\n    var ShowAdvanced = function(id) {\n        this.id = id;\n\n        var form = $(document.getElementById(id));\n        this.enhanceForm(form);\n    };\n\n    /** @type {String} id The form id to enhance. */\n    ShowAdvanced.prototype.id = '';\n\n    /**\n     * @method enhanceForm\n     * @param {JQuery} form JQuery selector representing the form\n     * @return {ShowAdvanced}\n     */\n    ShowAdvanced.prototype.enhanceForm = function(form) {\n        var fieldsets = form.find(SELECTORS.FIELDSETCONTAINSADVANCED);\n\n        // Enhance each fieldset in the form matching the selector.\n        fieldsets.each(function(index, item) {\n            this.enhanceFieldset($(item));\n        }.bind(this));\n\n        // Attach some event listeners.\n        // Subscribe more/less links to click event.\n        form.on('click', SELECTORS.MORELESSLINK, this.switchState);\n\n        // Subscribe to key events but filter for space or enter.\n        form.on('keydown', SELECTORS.MORELESSLINK, function(e) {\n            // Enter or space.\n            if (e.which == 13 || e.which == 32) {\n                return this.switchState(e);\n            }\n            return true;\n        }.bind(this));\n        return this;\n    };\n\n\n    /**\n     * Generates a uniq id for the dom element it's called on unless the element already has an id.\n     * The id is set on the dom node before being returned.\n     *\n     * @method generateId\n     * @param {JQuery} node JQuery selector representing a single DOM Node.\n     * @return {String}\n     */\n    ShowAdvanced.prototype.generateId = function(node) {\n        var id = node.prop('id');\n        if (typeof id === 'undefined') {\n            id = IDPREFIX + (uniqIdSeed++);\n            node.prop('id', id);\n        }\n        return id;\n    };\n\n    /**\n     * @method enhanceFieldset\n     * @param {JQuery} fieldset JQuery selector representing a fieldset\n     * @return {ShowAdvanced}\n     */\n    ShowAdvanced.prototype.enhanceFieldset = function(fieldset) {\n        var statuselement = $('input[name=mform_showmore_' + fieldset.prop('id') + ']');\n        if (!statuselement.length) {\n            Log.debug(\"M.form.showadvanced::processFieldset was called on an fieldset without a status field: '\" +\n                fieldset.prop('id') + \"'\");\n            return this;\n        }\n\n        // Fetch some strings.\n        Strings.get_strings([{\n            key: 'showmore',\n            component: 'core_form'\n        }, {\n            key: 'showless',\n            component: 'core_form'\n        }]).then(function(results) {\n            var showmore = results[0],\n                showless = results[1];\n\n            // Generate more/less links.\n            var morelesslink = $('<a href=\"#\"></a>');\n            morelesslink.addClass(CSS.MORELESSTOGGLER);\n            if (statuselement.val() === '0') {\n                morelesslink.html(showmore);\n                morelesslink.attr('aria-expanded', 'false');\n            } else {\n                morelesslink.html(showless);\n                morelesslink.attr('aria-expanded', 'true');\n                morelesslink.addClass(CSS.SHOWLESS);\n                fieldset.find(SELECTORS.DIVFITEMADVANCED).addClass(CSS.SHOW);\n            }\n            // Build a list of advanced fieldsets.\n            var idlist = [];\n            fieldset.find(SELECTORS.DIVFITEMADVANCED).each(function(index, node) {\n                idlist[idlist.length] = this.generateId($(node));\n            }.bind(this));\n\n            // Set aria attributes.\n            morelesslink.attr('role', 'button');\n            morelesslink.attr('aria-controls', 'form-advanced-div');\n\n            var formadvancedsection = $(WRAPPERS.ADVANCEDDIV);\n            fieldset.find(SELECTORS.DIVFITEMADVANCED).wrapAll(formadvancedsection);\n            // Add elements to the DOM.\n            var fitem = $(WRAPPERS.FITEM);\n            fitem.addClass(CSS.MORELESSACTIONS);\n            var felement = $(WRAPPERS.FELEMENT);\n            felement.append(morelesslink);\n            fitem.append(felement);\n\n            fieldset.find(SELECTORS.DIVADVANCEDSECTION).before(fitem);\n            return true;\n        }.bind(this)).fail(Notification.exception);\n\n        return this;\n    };\n\n    /**\n     * @method switchState\n     * @param {Event} e Event that triggered this action.\n     * @return {Boolean}\n     */\n    ShowAdvanced.prototype.switchState = function(e) {\n        e.preventDefault();\n\n        // Fetch some strings.\n        Strings.get_strings([{\n            key: 'showmore',\n            component: 'core_form'\n        }, {\n            key: 'showless',\n            component: 'core_form'\n        }]).then(function(results) {\n            var showmore = results[0],\n                showless = results[1],\n                fieldset = $(e.target).closest(SELECTORS.FIELDSETCONTAINSADVANCED);\n\n            // Toggle collapsed class.\n            fieldset.find(SELECTORS.DIVFITEMADVANCED).toggleClass(CSS.SHOW);\n\n            // Get corresponding hidden variable.\n            var statuselement = $('input[name=mform_showmore_' + fieldset.prop('id') + ']');\n\n            // Invert it and change the link text.\n            if (statuselement.val() === '0') {\n                statuselement.val(1);\n                $(e.target).addClass(CSS.SHOWLESS);\n                $(e.target).html(showless);\n                $(e.target).attr('aria-expanded', 'true');\n            } else {\n                statuselement.val(0);\n                $(e.target).removeClass(CSS.SHOWLESS);\n                $(e.target).html(showmore);\n                $(e.target).attr('aria-expanded', 'false');\n            }\n            return true;\n        }).fail(Notification.exception);\n\n        return this;\n    };\n\n    return {\n        /**\n         * Initialise this module.\n         * @method init\n         * @param {String} formid\n         * @return {ShowAdvanced}\n         */\n        init: function(formid) {\n            return new ShowAdvanced(formid);\n        }\n    };\n});\n"],"names":["define","$","Log","Strings","Notification","SELECTORS","CSS","WRAPPERS","uniqIdSeed","ShowAdvanced","id","form","document","getElementById","enhanceForm","prototype","find","each","index","item","enhanceFieldset","bind","this","on","switchState","e","which","generateId","node","prop","fieldset","statuselement","length","get_strings","key","component","then","results","showmore","showless","morelesslink","addClass","val","html","attr","idlist","formadvancedsection","wrapAll","fitem","felement","append","before","fail","exception","debug","preventDefault","target","closest","toggleClass","removeClass","init","formid"],"mappings":";;;;;;;;;AAwBAA,gCAAO,CAAC,SAAU,WAAY,WAAY,sBAAsB,SAASC,EAAGC,IAAKC,QAASC,kBAElFC,mCAC8B,oCAD9BA,2BAEsB,qBAFtBA,6BAGwB,wBAHxBA,uBAKkB,sDAElBC,SACU,OADVA,oBAEqB,mBAFrBA,oBAGqB,mBAHrBA,aAIc,gBAEdC,eACW,4BADXA,kBAEc,+BAFdA,qBAGiB,qCAKjBC,WAAa,EAMbC,aAAe,SAASC,SACnBA,GAAKA,OAENC,KAAOV,EAAEW,SAASC,eAAeH,UAChCI,YAAYH,cAIrBF,aAAaM,UAAUL,GAAK,GAO5BD,aAAaM,UAAUD,YAAc,SAASH,aAC1BA,KAAKK,KAAKX,oCAGhBY,KAAK,SAASC,MAAOC,WACtBC,gBAAgBnB,EAAEkB,QACzBE,KAAKC,OAIPX,KAAKY,GAAG,QAASlB,uBAAwBiB,KAAKE,aAG9Cb,KAAKY,GAAG,UAAWlB,uBAAwB,SAASoB,UAEjC,IAAXA,EAAEC,OAA0B,IAAXD,EAAEC,OACZJ,KAAKE,YAAYC,IAG9BJ,KAAKC,OACAA,MAYXb,aAAaM,UAAUY,WAAa,SAASC,UACrClB,GAAKkB,KAAKC,KAAK,kBACD,IAAPnB,KACPA,GA3DO,kBA2DUF,aACjBoB,KAAKC,KAAK,KAAMnB,KAEbA,IAQXD,aAAaM,UAAUK,gBAAkB,SAASU,cAC1CC,cAAgB9B,EAAE,6BAA+B6B,SAASD,KAAK,MAAQ,YACtEE,cAAcC,QAOnB7B,QAAQ8B,YAAY,CAAC,CACjBC,IAAK,WACLC,UAAW,aACZ,CACCD,IAAK,WACLC,UAAW,eACXC,KAAK,SAASC,aACVC,SAAWD,QAAQ,GACnBE,SAAWF,QAAQ,GAGnBG,aAAevC,EAAE,oBACrBuC,aAAaC,SAASnC,qBACM,MAAxByB,cAAcW,OACdF,aAAaG,KAAKL,UAClBE,aAAaI,KAAK,gBAAiB,WAEnCJ,aAAaG,KAAKJ,UAClBC,aAAaI,KAAK,gBAAiB,QACnCJ,aAAaC,SAASnC,cACtBwB,SAASd,KAAKX,4BAA4BoC,SAASnC,eAGnDuC,OAAS,GACbf,SAASd,KAAKX,4BAA4BY,KAAK,SAASC,MAAOU,MAC3DiB,OAAOA,OAAOb,QAAUV,KAAKK,WAAW1B,EAAE2B,QAC5CP,KAAKC,OAGPkB,aAAaI,KAAK,OAAQ,UAC1BJ,aAAaI,KAAK,gBAAiB,yBAE/BE,oBAAsB7C,EAAEM,sBAC5BuB,SAASd,KAAKX,4BAA4B0C,QAAQD,yBAE9CE,MAAQ/C,EAAEM,gBACdyC,MAAMP,SAASnC,yBACX2C,SAAWhD,EAAEM,0BACjB0C,SAASC,OAAOV,cAChBQ,MAAME,OAAOD,UAEbnB,SAASd,KAAKX,8BAA8B8C,OAAOH,QAC5C,GACT3B,KAAKC,OAAO8B,KAAKhD,aAAaiD,WAEzB/B,OAnDHpB,IAAIoD,MAAM,2FACNxB,SAASD,KAAK,MAAQ,KACnBP,OAyDfb,aAAaM,UAAUS,YAAc,SAASC,UAC1CA,EAAE8B,iBAGFpD,QAAQ8B,YAAY,CAAC,CACjBC,IAAK,WACLC,UAAW,aACZ,CACCD,IAAK,WACLC,UAAW,eACXC,MAAK,SAASC,aACVC,SAAWD,QAAQ,GACnBE,SAAWF,QAAQ,GACnBP,SAAW7B,EAAEwB,EAAE+B,QAAQC,QAAQpD,oCAGnCyB,SAASd,KAAKX,4BAA4BqD,YAAYpD,cAGlDyB,cAAgB9B,EAAE,6BAA+B6B,SAASD,KAAK,MAAQ,WAG/C,MAAxBE,cAAcW,OACdX,cAAcW,IAAI,GAClBzC,EAAEwB,EAAE+B,QAAQf,SAASnC,cACrBL,EAAEwB,EAAE+B,QAAQb,KAAKJ,UACjBtC,EAAEwB,EAAE+B,QAAQZ,KAAK,gBAAiB,UAElCb,cAAcW,IAAI,GAClBzC,EAAEwB,EAAE+B,QAAQG,YAAYrD,cACxBL,EAAEwB,EAAE+B,QAAQb,KAAKL,UACjBrC,EAAEwB,EAAE+B,QAAQZ,KAAK,gBAAiB,WAE/B,KACRQ,KAAKhD,aAAaiD,WAEd/B,MAGJ,CAOHsC,KAAM,SAASC,eACJ,IAAIpD,aAAaoD"}
\ No newline at end of file
diff --git a/lib/form/amd/build/submit.min.js b/lib/form/amd/build/submit.min.js
index 8d261ee3ec0..f5b4de36bbe 100644
--- a/lib/form/amd/build/submit.min.js
+++ b/lib/form/amd/build/submit.min.js
@@ -1,2 +1,14 @@
-define ("core_form/submit",["exports","core_form/events"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;var c=0,d=[],e=function(a){d.push(a);if(!c){c=setInterval(function(){var a=document.cookie.split(f()+"=");if(2==a.length){g();clearInterval(c);c=0;d.forEach(function(a){a.disabled=!1})}},500)}},f=function(){return"moodledownload_"+M.cfg.sesskey},g=function(){document.cookie=encodeURIComponent(f())+"=deleted; expires="+new Date(0).toUTCString()};a.init=function init(a){var c=document.getElementById(a);document.addEventListener(b.formEventTypes.uploadStarted,function(a){window.console.log(a.target);c.disabled=!0});document.addEventListener(b.formEventTypes.uploadCompleted,function(a){window.console.log(a.target);c.disabled=!1});if("off"===c.form.dataset.doubleSubmitProtection){return}c.form.addEventListener("submit",function(a){var b=function(){if(a.defaultPrevented||c.disabled){return}c.disabled=!0;g();e(c)};window.addEventListener("beforeunload",b);setTimeout(function(){window.removeEventListener("beforeunload",b)},0)},!1)}});
-//# sourceMappingURL=submit.min.js.map
+define("core_form/submit",["exports","core_form/events"],(function(_exports,_events){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0;
+/**
+   * Submit button JavaScript. All submit buttons will be automatically disabled once the form is
+   * submitted, unless that submission results in an error/cancelling the submit.
+   *
+   * @module core_form/submit
+   * @package core_form
+   * @copyright 2019 The Open University
+   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   * @since 3.8
+   */
+var cookieListener=0,cookieListeningButtons=[],getCookieName=function(){return"moodledownload_"+M.cfg.sesskey},clearDownloadCookie=function(){document.cookie=encodeURIComponent(getCookieName())+"=deleted; expires="+new Date(0).toUTCString()};_exports.init=function(elementId){var button=document.getElementById(elementId);document.addEventListener(_events.formEventTypes.uploadStarted,(function(e){window.console.log(e.target),button.disabled=!0})),document.addEventListener(_events.formEventTypes.uploadCompleted,(function(e){window.console.log(e.target),button.disabled=!1})),"off"!==button.form.dataset.doubleSubmitProtection&&button.form.addEventListener("submit",(function(event){var disableAction=function(){event.defaultPrevented||button.disabled||(button.disabled=!0,clearDownloadCookie(),function(button){cookieListeningButtons.push(button),cookieListener||(cookieListener=setInterval((function(){2==document.cookie.split(getCookieName()+"=").length&&(clearDownloadCookie(),clearInterval(cookieListener),cookieListener=0,cookieListeningButtons.forEach((function(button){button.disabled=!1})))}),500))}(button))};window.addEventListener("beforeunload",disableAction),setTimeout((function(){window.removeEventListener("beforeunload",disableAction)}),0)}),!1)}}));
+
+//# sourceMappingURL=submit.min.js.map
\ No newline at end of file
diff --git a/lib/form/amd/build/submit.min.js.map b/lib/form/amd/build/submit.min.js.map
index 545a38e5e05..11a5b0dd394 100644
--- a/lib/form/amd/build/submit.min.js.map
+++ b/lib/form/amd/build/submit.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/submit.js"],"names":["cookieListener","cookieListeningButtons","listenForDownloadCookie","button","push","setInterval","parts","document","cookie","split","getCookieName","length","clearDownloadCookie","clearInterval","forEach","disabled","M","cfg","sesskey","encodeURIComponent","Date","toUTCString","init","elementId","getElementById","addEventListener","formEventTypes","uploadStarted","e","window","console","log","target","uploadCompleted","form","dataset","doubleSubmitProtection","event","disableAction","defaultPrevented","setTimeout","removeEventListener"],"mappings":"uJA6BIA,CAAAA,CAAc,CAAG,C,CAGfC,CAAsB,CAAG,E,CAazBC,CAAuB,CAAG,SAACC,CAAD,CAAY,CACxCF,CAAsB,CAACG,IAAvB,CAA4BD,CAA5B,EACA,GAAI,CAACH,CAAL,CAAqB,CACjBA,CAAc,CAAGK,WAAW,CAAC,UAAM,CAE/B,GAAMC,CAAAA,CAAK,CAAGC,QAAQ,CAACC,MAAT,CAAgBC,KAAhB,CAAsBC,CAAa,GAAK,GAAxC,CAAd,CACA,GAAoB,CAAhB,EAAAJ,CAAK,CAACK,MAAV,CAAuB,CAEnBC,CAAmB,GACnBC,aAAa,CAACb,CAAD,CAAb,CACAA,CAAc,CAAG,CAAjB,CAGAC,CAAsB,CAACa,OAAvB,CAA+B,SAACX,CAAD,CAAY,CACvCA,CAAM,CAACY,QAAP,GACH,CAFD,CAGH,CACJ,CAd2B,CAczB,GAdyB,CAe/B,CACJ,C,CAOKL,CAAa,CAAG,UAAM,CACxB,MAAO,kBAAoBM,CAAC,CAACC,GAAF,CAAMC,OACpC,C,CAKKN,CAAmB,CAAG,UAAM,CAC9BL,QAAQ,CAACC,MAAT,CAAkBW,kBAAkB,CAACT,CAAa,EAAd,CAAlB,CAAsC,oBAAtC,CAA6D,GAAIU,CAAAA,IAAJ,CAAS,CAAT,EAAYC,WAAZ,EAClF,C,QAOmB,QAAPC,CAAAA,IAAO,CAACC,CAAD,CAAe,CAC/B,GAAMpB,CAAAA,CAAM,CAAGI,QAAQ,CAACiB,cAAT,CAAwBD,CAAxB,CAAf,CAGAhB,QAAQ,CAACkB,gBAAT,CAA0BC,iBAAeC,aAAzC,CAAwD,SAAAC,CAAC,CAAI,CACzDC,MAAM,CAACC,OAAP,CAAeC,GAAf,CAAmBH,CAAC,CAACI,MAArB,EACA7B,CAAM,CAACY,QAAP,GACH,CAHD,EAMAR,QAAQ,CAACkB,gBAAT,CAA0BC,iBAAeO,eAAzC,CAA0D,SAAAL,CAAC,CAAI,CAC3DC,MAAM,CAACC,OAAP,CAAeC,GAAf,CAAmBH,CAAC,CAACI,MAArB,EACA7B,CAAM,CAACY,QAAP,GACH,CAHD,EAMA,GAAmD,KAA/C,GAAAZ,CAAM,CAAC+B,IAAP,CAAYC,OAAZ,CAAoBC,sBAAxB,CAA0D,CACtD,MACH,CACDjC,CAAM,CAAC+B,IAAP,CAAYT,gBAAZ,CAA6B,QAA7B,CAAuC,SAASY,CAAT,CAAgB,CAGnD,GAAMC,CAAAA,CAAa,CAAG,UAAW,CAE7B,GAAID,CAAK,CAACE,gBAAN,EAA0BpC,CAAM,CAACY,QAArC,CAA+C,CAC3C,MACH,CAEDZ,CAAM,CAACY,QAAP,IACAH,CAAmB,GACnBV,CAAuB,CAACC,CAAD,CAC1B,CATD,CAUA0B,MAAM,CAACJ,gBAAP,CAAwB,cAAxB,CAAwCa,CAAxC,EAIAE,UAAU,CAAC,UAAW,CAClBX,MAAM,CAACY,mBAAP,CAA2B,cAA3B,CAA2CH,CAA3C,CACH,CAFS,CAEP,CAFO,CAGb,CApBD,IAqBH,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Submit button JavaScript. All submit buttons will be automatically disabled once the form is\n * submitted, unless that submission results in an error/cancelling the submit.\n *\n * @module core_form/submit\n * @package core_form\n * @copyright 2019 The Open University\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 3.8\n */\n\nimport {formEventTypes} from 'core_form/events';\n\n/** @type {number} ID for setInterval used when polling for download cookie */\nlet cookieListener = 0;\n\n/** @type {Array} Array of buttons that need re-enabling if we get a download cookie */\nconst cookieListeningButtons = [];\n\n/**\n * Listens in case a download cookie is provided.\n *\n * This function is used to detect file downloads. If there is a file download then we get a\n * beforeunload event, but the page is never unloaded and when the file download completes we\n * should re-enable the buttons. We detect this by watching for a specific cookie.\n *\n * PHP function \\core_form\\util::form_download_complete() can be used to send this cookie.\n *\n * @param {HTMLElement} button Button to re-enable\n */\nconst listenForDownloadCookie = (button) => {\n    cookieListeningButtons.push(button);\n    if (!cookieListener) {\n        cookieListener = setInterval(() => {\n            // Look for cookie.\n            const parts = document.cookie.split(getCookieName() + '=');\n            if (parts.length == 2) {\n                // We found the cookie, so the file is ready. Expire the cookie and cancel polling.\n                clearDownloadCookie();\n                clearInterval(cookieListener);\n                cookieListener = 0;\n\n                // Re-enable all the buttons.\n                cookieListeningButtons.forEach((button) => {\n                    button.disabled = false;\n                });\n            }\n        }, 500);\n    }\n};\n\n/**\n * Gets a unique name for the download cookie.\n *\n * @returns {string} Cookie name\n */\nconst getCookieName = () => {\n    return 'moodledownload_' + M.cfg.sesskey;\n};\n\n/**\n * Clears the download cookie if there is one.\n */\nconst clearDownloadCookie = () => {\n    document.cookie = encodeURIComponent(getCookieName()) + '=deleted; expires=' + new Date(0).toUTCString();\n};\n\n/**\n * Initialises submit buttons.\n *\n * @param {String} elementId Form element\n */\nexport const init = (elementId) => {\n    const button = document.getElementById(elementId);\n\n    // Add event listener for file upload start.\n    document.addEventListener(formEventTypes.uploadStarted, e => {\n        window.console.log(e.target); // This will be the element/section where the file is uploaded to.\n        button.disabled = true;\n    });\n\n    // Add event listener for file upload complete.\n    document.addEventListener(formEventTypes.uploadCompleted, e => {\n        window.console.log(e.target); // This will be the element/section where the file is uploaded to.\n        button.disabled = false;\n    });\n\n    // If the form has double submit protection disabled, do nothing.\n    if (button.form.dataset.doubleSubmitProtection === 'off') {\n        return;\n    }\n    button.form.addEventListener('submit', function(event) {\n        // Only disable it if the browser is really going to another page as a result of the\n        // submit.\n        const disableAction = function() {\n            // If the submit was cancelled, or the button is already disabled, don't do anything.\n            if (event.defaultPrevented || button.disabled) {\n                return;\n            }\n\n            button.disabled = true;\n            clearDownloadCookie();\n            listenForDownloadCookie(button);\n        };\n        window.addEventListener('beforeunload', disableAction);\n        // If there is no beforeunload event as a result of this form submit, then the form\n        // submit must have been cancelled, so don't disable the button if the page is\n        // unloaded later.\n        setTimeout(function() {\n            window.removeEventListener('beforeunload', disableAction);\n        }, 0);\n    }, false);\n};\n"],"file":"submit.min.js"}
\ No newline at end of file
+{"version":3,"file":"submit.min.js","sources":["../src/submit.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Submit button JavaScript. All submit buttons will be automatically disabled once the form is\n * submitted, unless that submission results in an error/cancelling the submit.\n *\n * @module core_form/submit\n * @package core_form\n * @copyright 2019 The Open University\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since 3.8\n */\n\nimport {formEventTypes} from 'core_form/events';\n\n/** @type {number} ID for setInterval used when polling for download cookie */\nlet cookieListener = 0;\n\n/** @type {Array} Array of buttons that need re-enabling if we get a download cookie */\nconst cookieListeningButtons = [];\n\n/**\n * Listens in case a download cookie is provided.\n *\n * This function is used to detect file downloads. If there is a file download then we get a\n * beforeunload event, but the page is never unloaded and when the file download completes we\n * should re-enable the buttons. We detect this by watching for a specific cookie.\n *\n * PHP function \\core_form\\util::form_download_complete() can be used to send this cookie.\n *\n * @param {HTMLElement} button Button to re-enable\n */\nconst listenForDownloadCookie = (button) => {\n    cookieListeningButtons.push(button);\n    if (!cookieListener) {\n        cookieListener = setInterval(() => {\n            // Look for cookie.\n            const parts = document.cookie.split(getCookieName() + '=');\n            if (parts.length == 2) {\n                // We found the cookie, so the file is ready. Expire the cookie and cancel polling.\n                clearDownloadCookie();\n                clearInterval(cookieListener);\n                cookieListener = 0;\n\n                // Re-enable all the buttons.\n                cookieListeningButtons.forEach((button) => {\n                    button.disabled = false;\n                });\n            }\n        }, 500);\n    }\n};\n\n/**\n * Gets a unique name for the download cookie.\n *\n * @returns {string} Cookie name\n */\nconst getCookieName = () => {\n    return 'moodledownload_' + M.cfg.sesskey;\n};\n\n/**\n * Clears the download cookie if there is one.\n */\nconst clearDownloadCookie = () => {\n    document.cookie = encodeURIComponent(getCookieName()) + '=deleted; expires=' + new Date(0).toUTCString();\n};\n\n/**\n * Initialises submit buttons.\n *\n * @param {String} elementId Form element\n */\nexport const init = (elementId) => {\n    const button = document.getElementById(elementId);\n\n    // Add event listener for file upload start.\n    document.addEventListener(formEventTypes.uploadStarted, e => {\n        window.console.log(e.target); // This will be the element/section where the file is uploaded to.\n        button.disabled = true;\n    });\n\n    // Add event listener for file upload complete.\n    document.addEventListener(formEventTypes.uploadCompleted, e => {\n        window.console.log(e.target); // This will be the element/section where the file is uploaded to.\n        button.disabled = false;\n    });\n\n    // If the form has double submit protection disabled, do nothing.\n    if (button.form.dataset.doubleSubmitProtection === 'off') {\n        return;\n    }\n    button.form.addEventListener('submit', function(event) {\n        // Only disable it if the browser is really going to another page as a result of the\n        // submit.\n        const disableAction = function() {\n            // If the submit was cancelled, or the button is already disabled, don't do anything.\n            if (event.defaultPrevented || button.disabled) {\n                return;\n            }\n\n            button.disabled = true;\n            clearDownloadCookie();\n            listenForDownloadCookie(button);\n        };\n        window.addEventListener('beforeunload', disableAction);\n        // If there is no beforeunload event as a result of this form submit, then the form\n        // submit must have been cancelled, so don't disable the button if the page is\n        // unloaded later.\n        setTimeout(function() {\n            window.removeEventListener('beforeunload', disableAction);\n        }, 0);\n    }, false);\n};\n"],"names":["cookieListener","cookieListeningButtons","getCookieName","M","cfg","sesskey","clearDownloadCookie","document","cookie","encodeURIComponent","Date","toUTCString","elementId","button","getElementById","addEventListener","formEventTypes","uploadStarted","e","window","console","log","target","disabled","uploadCompleted","form","dataset","doubleSubmitProtection","event","disableAction","defaultPrevented","push","setInterval","split","length","clearInterval","forEach","listenForDownloadCookie","setTimeout","removeEventListener"],"mappings":";;;;;;;;;;;IA6BIA,eAAiB,EAGfC,uBAAyB,GAuCzBC,cAAgB,iBACX,kBAAoBC,EAAEC,IAAIC,SAM/BC,oBAAsB,WACxBC,SAASC,OAASC,mBAAmBP,iBAAmB,qBAAuB,IAAIQ,KAAK,GAAGC,6BAQ3E,SAACC,eACXC,OAASN,SAASO,eAAeF,WAGvCL,SAASQ,iBAAiBC,uBAAeC,eAAe,SAAAC,GACpDC,OAAOC,QAAQC,IAAIH,EAAEI,QACrBT,OAAOU,UAAW,KAItBhB,SAASQ,iBAAiBC,uBAAeQ,iBAAiB,SAAAN,GACtDC,OAAOC,QAAQC,IAAIH,EAAEI,QACrBT,OAAOU,UAAW,KAI6B,QAA/CV,OAAOY,KAAKC,QAAQC,wBAGxBd,OAAOY,KAAKV,iBAAiB,UAAU,SAASa,WAGtCC,cAAgB,WAEdD,MAAME,kBAAoBjB,OAAOU,WAIrCV,OAAOU,UAAW,EAClBjB,sBAvEoB,SAACO,QAC7BZ,uBAAuB8B,KAAKlB,QACvBb,iBACDA,eAAiBgC,aAAY,WAGL,GADNzB,SAASC,OAAOyB,MAAM/B,gBAAkB,KAC5CgC,SAEN5B,sBACA6B,cAAcnC,gBACdA,eAAiB,EAGjBC,uBAAuBmC,SAAQ,SAACvB,QAC5BA,OAAOU,UAAW,QAG3B,MAuDCc,CAAwBxB,UAE5BM,OAAOJ,iBAAiB,eAAgBc,eAIxCS,YAAW,WACPnB,OAAOoB,oBAAoB,eAAgBV,iBAC5C,MACJ"}
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diff --git a/lib/table/amd/build/dynamic.min.js b/lib/table/amd/build/dynamic.min.js
index 7f3ec1bec18..46f9bd76275 100644
--- a/lib/table/amd/build/dynamic.min.js
+++ b/lib/table/amd/build/dynamic.min.js
@@ -1,2 +1,3 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core_table/dynamic",["exports","core_table/local/dynamic/selectors","./local/dynamic/events","core/pending","core/loadingicon","core_table/local/dynamic/repository","core/notification"],function(a,b,c,d,e,f,g){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"Events",{enumerable:!0,get:function get(){return c.default}});a.updateTable=a.showColumn=a.setSortOrder=a.setPageSize=a.setPageNumber=a.setLastInitial=a.setFirstInitial=a.setFilters=a.refreshTableContent=a.init=a.hideColumn=a.getTableFromId=a.getPageSize=a.getPageNumber=a.getLastInitial=a.getFirstInitial=a.getFilters=void 0;b=j(b);c=h(c);d=h(d);g=h(g);function h(a){return a&&a.__esModule?a:{default:a}}function 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Array.from(a);if("Arguments"===c||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(c))return p(a,b)}function n(a){if("undefined"!=typeof Symbol&&null!=a[Symbol.iterator]||null!=a["@@iterator"])return Array.from(a)}function o(a){if(Array.isArray(a))return p(a)}function p(a,b){if(null==b||b>a.length)b=a.length;for(var c=0,d=Array(b);c<b;c++){d[c]=a[c]}return d}var q=!1,r=function(a){if(!a){throw new Error("The table specified is not a dynamic table and cannot be updated")}if(!a.matches(b.main.region)){throw new Error("The table specified is not a dynamic table and cannot be updated")}return!0},s=function(a){return JSON.parse(a.dataset.tableFilters)},t=function(a){var b=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1,g=s(a);(0,e.addIconToContainer)(a);var h=new d.default("core_table/dynamic:refreshTableContent");return(0,f.fetch)(a.dataset.tableComponent,a.dataset.tableHandler,a.dataset.tableUniqueid,{sortData:JSON.parse(a.dataset.tableSortData),joinType:g.jointype,filters:g.filters,firstinitial:a.dataset.tableFirstInitial,lastinitial:a.dataset.tableLastInitial,pageNumber:a.dataset.tablePageNumber,pageSize:a.dataset.tablePageSize,hiddenColumns:JSON.parse(a.dataset.tableHiddenColumns)},b).then(function(b){var c=document.createElement("div");c.innerHTML=b.html;a.replaceWith.apply(a,k(c.childNodes));return E(a.dataset.tableUniqueid)}).then(function(a){a.dispatchEvent(new CustomEvent(c.default.tableContentRefreshed,{bubbles:!0}));return a}).then(function(a){h.resolve();return a})};a.refreshTableContent=t;var u=function(a){var b=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{},c=b.sortBy,e=void 0===c?null:c,f=b.sortOrder,g=void 0===f?null:f,h=b.filters,i=void 0===h?null:h,j=b.firstInitial,k=void 0===j?null:j,l=b.lastInitial,m=void 0===l?null:l,n=b.pageNumber,o=void 0===n?null:n,p=b.pageSize,q=void 0===p?null:p,s=b.hiddenColumns,u=void 0===s?null:s,v=2<arguments.length&&arguments[2]!==void 0?arguments[2]:!0;r(a);var w=new d.default("core_table/dynamic:updateTable"),x=!1;if(e&&g){x=!0;var y=JSON.parse(a.dataset.tableSortData);y.unshift({sortby:e,sortorder:parseInt(g,10)});a.dataset.tableSortData=JSON.stringify(y)}if(null!==k){if(a.dataset.tableFirstInitial!==k){x=!0}a.dataset.tableFirstInitial=k}if(null!==m){if(a.dataset.tableLastInitial!==m){x=!0}a.dataset.tableLastInitial=m}if(null!==q){if(a.dataset.tablePageSize!=q){x=!0}a.dataset.tablePageSize=q}if(i){var z=JSON.stringify(i);if(a.dataset.tableFilters!==z){x=!0}a.dataset.tableFilters=z}if(x){o=1}if(u){var A=JSON.stringify(u);if(a.dataset.tableHiddenColumns!==A){x=!0}a.dataset.tableHiddenColumns=A}if(null!==o){if(a.dataset.tablePageNumber!=o){x=!0}a.dataset.tablePageNumber=o}if(v&&x){return t(a).then(function(a){w.resolve();return a})}else{w.resolve();return 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getFirstInitial(a){return v(a).tableFirstInitial};var z=function(a,b){var c=2<arguments.length&&arguments[2]!==void 0?arguments[2]:!0;return u(a,{lastInitial:b},c)};a.setLastInitial=z;a.getLastInitial=function getLastInitial(a){return v(a).tableLastInitial};var A=function(a,b){var c=2<arguments.length&&arguments[2]!==void 0?arguments[2]:!0,d=JSON.parse(a.dataset.tableHiddenColumns);d.push(b);return u(a,{hiddenColumns:d},c)};a.hideColumn=A;var B=function(a,b){var c=2<arguments.length&&arguments[2]!==void 0?arguments[2]:!0,d=JSON.parse(a.dataset.tableHiddenColumns);d=d.filter(function(a){return a!==b});return u(a,{hiddenColumns:d},c)};a.showColumn=B;var C=function(a){return t(a,!0)},D=function(){if(q){return}q=!0;document.addEventListener("click",function(a){var c=a.target.closest(b.main.region);if(!c){return}var d=a.target.closest(b.table.links.sortableColumn);if(d){a.preventDefault();w(c,d.dataset.sortby,d.dataset.sortorder).catch(g.default.exception)}var e=a.target.closest(b.initialsBar.links.firstInitial);if(null!==e){a.preventDefault();y(c,e.dataset.initial).catch(g.default.exception)}var f=a.target.closest(b.initialsBar.links.lastInitial);if(null!==f){a.preventDefault();z(c,f.dataset.initial).catch(g.default.exception)}var h=a.target.closest(b.paginationBar.links.pageItem);if(h){a.preventDefault();x(c,h.dataset.pageNumber).catch(g.default.exception)}var i=a.target.closest(b.table.links.hide);if(i){a.preventDefault();A(c,i.dataset.column).catch(g.default.exception)}var j=a.target.closest(b.table.links.show);if(j){a.preventDefault();B(c,j.dataset.column).catch(g.default.exception)}var k=a.target.closest(".resettable a");if(k){a.preventDefault();C(c).catch(g.default.exception)}})};a.init=D;var E=function(a){var c=document.querySelector(b.main.fromRegionId(a));if(!c){throw new Error("The table specified is not a dynamic table and cannot be updated")}return c};a.getTableFromId=E});
-//# sourceMappingURL=dynamic.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("core_table/dynamic",["exports","core_table/local/dynamic/selectors","./local/dynamic/events","core/pending","core/loadingicon","core_table/local/dynamic/repository","core/notification"],(function(_exports,Selectors,_events,_pending,_loadingicon,_repository,_notification){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _toConsumableArray(arr){return function(arr){if(Array.isArray(arr))return _arrayLikeToArray(arr)}(arr)||function(iter){if("undefined"!=typeof Symbol&&null!=iter[Symbol.iterator]||null!=iter["@@iterator"])return Array.from(iter)}(arr)||function(o,minLen){if(!o)return;if("string"==typeof o)return _arrayLikeToArray(o,minLen);var n=Object.prototype.toString.call(o).slice(8,-1);"Object"===n&&o.constructor&&(n=o.constructor.name);if("Map"===n||"Set"===n)return Array.from(o);if("Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))return _arrayLikeToArray(o,minLen)}(arr)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function _arrayLikeToArray(arr,len){(null==len||len>arr.length)&&(len=arr.length);for(var i=0,arr2=new Array(len);i<len;i++)arr2[i]=arr[i];return arr2}Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Events",{enumerable:!0,get:function(){return _events.default}}),_exports.updateTable=_exports.showColumn=_exports.setSortOrder=_exports.setPageSize=_exports.setPageNumber=_exports.setLastInitial=_exports.setFirstInitial=_exports.setFilters=_exports.refreshTableContent=_exports.init=_exports.hideColumn=_exports.getTableFromId=_exports.getPageSize=_exports.getPageNumber=_exports.getLastInitial=_exports.getFirstInitial=_exports.getFilters=void 0,Selectors=function(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!==_typeof(obj)&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}newObj.default=obj,cache&&cache.set(obj,newObj);return newObj}(Selectors),_events=_interopRequireDefault(_events),_pending=_interopRequireDefault(_pending),_notification=_interopRequireDefault(_notification);var watching=!1,checkTableIsDynamic=function(tableRoot){if(!tableRoot)throw new Error("The table specified is not a dynamic table and cannot be updated");if(!tableRoot.matches(Selectors.main.region))throw new Error("The table specified is not a dynamic table and cannot be updated");return!0},getFiltersetFromTable=function(tableRoot){return JSON.parse(tableRoot.dataset.tableFilters)},refreshTableContent=function(tableRoot){var resetContent=arguments.length>1&&void 0!==arguments[1]&&arguments[1],filterset=getFiltersetFromTable(tableRoot);(0,_loadingicon.addIconToContainer)(tableRoot);var pendingPromise=new _pending.default("core_table/dynamic:refreshTableContent");return(0,_repository.fetch)(tableRoot.dataset.tableComponent,tableRoot.dataset.tableHandler,tableRoot.dataset.tableUniqueid,{sortData:JSON.parse(tableRoot.dataset.tableSortData),joinType:filterset.jointype,filters:filterset.filters,firstinitial:tableRoot.dataset.tableFirstInitial,lastinitial:tableRoot.dataset.tableLastInitial,pageNumber:tableRoot.dataset.tablePageNumber,pageSize:tableRoot.dataset.tablePageSize,hiddenColumns:JSON.parse(tableRoot.dataset.tableHiddenColumns)},resetContent).then((function(data){var placeholder=document.createElement("div");return placeholder.innerHTML=data.html,tableRoot.replaceWith.apply(tableRoot,_toConsumableArray(placeholder.childNodes)),getTableFromId(tableRoot.dataset.tableUniqueid)})).then((function(tableRoot){return tableRoot.dispatchEvent(new CustomEvent(_events.default.tableContentRefreshed,{bubbles:!0})),tableRoot})).then((function(tableRoot){return pendingPromise.resolve(),tableRoot}))};_exports.refreshTableContent=refreshTableContent;var updateTable=function(tableRoot){var _ref=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},_ref$sortBy=_ref.sortBy,sortBy=void 0===_ref$sortBy?null:_ref$sortBy,_ref$sortOrder=_ref.sortOrder,sortOrder=void 0===_ref$sortOrder?null:_ref$sortOrder,_ref$filters=_ref.filters,filters=void 0===_ref$filters?null:_ref$filters,_ref$firstInitial=_ref.firstInitial,firstInitial=void 0===_ref$firstInitial?null:_ref$firstInitial,_ref$lastInitial=_ref.lastInitial,lastInitial=void 0===_ref$lastInitial?null:_ref$lastInitial,_ref$pageNumber=_ref.pageNumber,pageNumber=void 0===_ref$pageNumber?null:_ref$pageNumber,_ref$pageSize=_ref.pageSize,pageSize=void 0===_ref$pageSize?null:_ref$pageSize,_ref$hiddenColumns=_ref.hiddenColumns,hiddenColumns=void 0===_ref$hiddenColumns?null:_ref$hiddenColumns,refreshContent=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];checkTableIsDynamic(tableRoot);var pendingPromise=new _pending.default("core_table/dynamic:updateTable"),tableConfigChanged=!1;if(sortBy&&sortOrder){tableConfigChanged=!0;var sortData=JSON.parse(tableRoot.dataset.tableSortData);sortData.unshift({sortby:sortBy,sortorder:parseInt(sortOrder,10)}),tableRoot.dataset.tableSortData=JSON.stringify(sortData)}if(null!==firstInitial&&(tableRoot.dataset.tableFirstInitial!==firstInitial&&(tableConfigChanged=!0),tableRoot.dataset.tableFirstInitial=firstInitial),null!==lastInitial&&(tableRoot.dataset.tableLastInitial!==lastInitial&&(tableConfigChanged=!0),tableRoot.dataset.tableLastInitial=lastInitial),null!==pageSize&&(tableRoot.dataset.tablePageSize!=pageSize&&(tableConfigChanged=!0),tableRoot.dataset.tablePageSize=pageSize),filters){var filterJson=JSON.stringify(filters);tableRoot.dataset.tableFilters!==filterJson&&(tableConfigChanged=!0),tableRoot.dataset.tableFilters=filterJson}if(tableConfigChanged&&(pageNumber=1),hiddenColumns){var columnJson=JSON.stringify(hiddenColumns);tableRoot.dataset.tableHiddenColumns!==columnJson&&(tableConfigChanged=!0),tableRoot.dataset.tableHiddenColumns=columnJson}return null!==pageNumber&&(tableRoot.dataset.tablePageNumber!=pageNumber&&(tableConfigChanged=!0),tableRoot.dataset.tablePageNumber=pageNumber),refreshContent&&tableConfigChanged?refreshTableContent(tableRoot).then((function(tableRoot){return pendingPromise.resolve(),tableRoot})):(pendingPromise.resolve(),Promise.resolve(tableRoot))};_exports.updateTable=updateTable;var getTableData=function(tableRoot){return checkTableIsDynamic(tableRoot),tableRoot.dataset};_exports.setFilters=function(tableRoot,filters){var refreshContent=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];return updateTable(tableRoot,{filters:filters},refreshContent)};_exports.getFilters=function(tableRoot){return checkTableIsDynamic(tableRoot),getFiltersetFromTable(tableRoot)};var setSortOrder=function(tableRoot,sortBy,sortOrder){var refreshContent=!(arguments.length>3&&void 0!==arguments[3])||arguments[3];return updateTable(tableRoot,{sortBy:sortBy,sortOrder:sortOrder},refreshContent)};_exports.setSortOrder=setSortOrder;var setPageNumber=function(tableRoot,pageNumber){var refreshContent=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];return updateTable(tableRoot,{pageNumber:pageNumber},refreshContent)};_exports.setPageNumber=setPageNumber;_exports.getPageNumber=function(tableRoot){return getTableData(tableRoot).tablePageNumber};_exports.setPageSize=function(tableRoot,pageSize){var refreshContent=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];return updateTable(tableRoot,{pageSize:pageSize,pageNumber:1},refreshContent)};_exports.getPageSize=function(tableRoot){return getTableData(tableRoot).tablePageSize};var setFirstInitial=function(tableRoot,firstInitial){var refreshContent=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];return updateTable(tableRoot,{firstInitial:firstInitial},refreshContent)};_exports.setFirstInitial=setFirstInitial;_exports.getFirstInitial=function(tableRoot){return getTableData(tableRoot).tableFirstInitial};var setLastInitial=function(tableRoot,lastInitial){var refreshContent=!(arguments.length>2&&void 0!==arguments[2])||arguments[2];return updateTable(tableRoot,{lastInitial:lastInitial},refreshContent)};_exports.setLastInitial=setLastInitial;_exports.getLastInitial=function(tableRoot){return getTableData(tableRoot).tableLastInitial};var hideColumn=function(tableRoot,columnToHide){var refreshContent=!(arguments.length>2&&void 0!==arguments[2])||arguments[2],hiddenColumns=JSON.parse(tableRoot.dataset.tableHiddenColumns);return hiddenColumns.push(columnToHide),updateTable(tableRoot,{hiddenColumns:hiddenColumns},refreshContent)};_exports.hideColumn=hideColumn;var showColumn=function(tableRoot,columnToShow){var refreshContent=!(arguments.length>2&&void 0!==arguments[2])||arguments[2],hiddenColumns=JSON.parse(tableRoot.dataset.tableHiddenColumns);return hiddenColumns=hiddenColumns.filter((function(columnName){return columnName!==columnToShow})),updateTable(tableRoot,{hiddenColumns:hiddenColumns},refreshContent)};_exports.showColumn=showColumn;_exports.init=function(){watching||(watching=!0,document.addEventListener("click",(function(e){var tableRoot=e.target.closest(Selectors.main.region);if(tableRoot){var sortableLink=e.target.closest(Selectors.table.links.sortableColumn);sortableLink&&(e.preventDefault(),setSortOrder(tableRoot,sortableLink.dataset.sortby,sortableLink.dataset.sortorder).catch(_notification.default.exception));var firstInitialLink=e.target.closest(Selectors.initialsBar.links.firstInitial);null!==firstInitialLink&&(e.preventDefault(),setFirstInitial(tableRoot,firstInitialLink.dataset.initial).catch(_notification.default.exception));var lastInitialLink=e.target.closest(Selectors.initialsBar.links.lastInitial);null!==lastInitialLink&&(e.preventDefault(),setLastInitial(tableRoot,lastInitialLink.dataset.initial).catch(_notification.default.exception));var pageItem=e.target.closest(Selectors.paginationBar.links.pageItem);pageItem&&(e.preventDefault(),setPageNumber(tableRoot,pageItem.dataset.pageNumber).catch(_notification.default.exception));var hide=e.target.closest(Selectors.table.links.hide);hide&&(e.preventDefault(),hideColumn(tableRoot,hide.dataset.column).catch(_notification.default.exception));var show=e.target.closest(Selectors.table.links.show);show&&(e.preventDefault(),showColumn(tableRoot,show.dataset.column).catch(_notification.default.exception)),e.target.closest(".resettable a")&&(e.preventDefault(),function(tableRoot){return refreshTableContent(tableRoot,!0)}(tableRoot).catch(_notification.default.exception))}})))};var getTableFromId=function(tableRegionId){var tableRoot=document.querySelector(Selectors.main.fromRegionId(tableRegionId));if(!tableRoot)throw new Error("The table specified is not a dynamic table and cannot be updated");return tableRoot};_exports.getTableFromId=getTableFromId}));
+
+//# sourceMappingURL=dynamic.min.js.map
\ No newline at end of file
diff --git a/lib/table/amd/build/dynamic.min.js.map b/lib/table/amd/build/dynamic.min.js.map
index 724b03c9e38..0e7936ab726 100644
--- a/lib/table/amd/build/dynamic.min.js.map
+++ b/lib/table/amd/build/dynamic.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/dynamic.js"],"names":["watching","checkTableIsDynamic","tableRoot","Error","matches","Selectors","main","region","getFiltersetFromTable","JSON","parse","dataset","tableFilters","refreshTableContent","resetContent","filterset","pendingPromise","Pending","tableComponent","tableHandler","tableUniqueid","sortData","tableSortData","joinType","jointype","filters","firstinitial","tableFirstInitial","lastinitial","tableLastInitial","pageNumber","tablePageNumber","pageSize","tablePageSize","hiddenColumns","tableHiddenColumns","then","data","placeholder","document","createElement","innerHTML","html","replaceWith","childNodes","getTableFromId","dispatchEvent","CustomEvent","Events","tableContentRefreshed","bubbles","resolve","updateTable","sortBy","sortOrder","firstInitial","lastInitial","refreshContent","tableConfigChanged","unshift","sortby","sortorder","parseInt","stringify","filterJson","columnJson","Promise","getTableData","setFilters","getFilters","setSortOrder","setPageNumber","getPageNumber","setPageSize","getPageSize","setFirstInitial","getFirstInitial","setLastInitial","getLastInitial","hideColumn","columnToHide","push","showColumn","columnToShow","filter","columnName","resetTablePreferences","init","addEventListener","e","target","closest","sortableLink","table","links","sortableColumn","preventDefault","catch","Notification","exception","firstInitialLink","initialsBar","initial","lastInitialLink","pageItem","paginationBar","hide","column","show","resetTablePreferencesLink","tableRegionId","querySelector","fromRegionId"],"mappings":"04BAuBA,OACA,OACA,OAGA,O,24CAEIA,CAAAA,CAAQ,G,CAQNC,CAAmB,CAAG,SAAAC,CAAS,CAAI,CACrC,GAAI,CAACA,CAAL,CAAgB,CAEZ,KAAM,IAAIC,CAAAA,KAAJ,CAAU,kEAAV,CACT,CAED,GAAI,CAACD,CAAS,CAACE,OAAV,CAAkBC,CAAS,CAACC,IAAV,CAAeC,MAAjC,CAAL,CAA+C,CAE3C,KAAM,IAAIJ,CAAAA,KAAJ,CAAU,kEAAV,CACT,CAED,QACH,C,CAQKK,CAAqB,CAAG,SAAAN,CAAS,CAAI,CACvC,MAAOO,CAAAA,IAAI,CAACC,KAAL,CAAWR,CAAS,CAACS,OAAV,CAAkBC,YAA7B,CACV,C,CASYC,CAAmB,CAAG,SAACX,CAAD,CAAqC,IAAzBY,CAAAA,CAAyB,2DAC9DC,CAAS,CAAGP,CAAqB,CAACN,CAAD,CAD6B,CAEpE,yBAAmBA,CAAnB,EAEA,GAAMc,CAAAA,CAAc,CAAG,GAAIC,UAAJ,CAAY,wCAAZ,CAAvB,CAEA,MAAO,YACHf,CAAS,CAACS,OAAV,CAAkBO,cADf,CAEHhB,CAAS,CAACS,OAAV,CAAkBQ,YAFf,CAGHjB,CAAS,CAACS,OAAV,CAAkBS,aAHf,CAIH,CACIC,QAAQ,CAAEZ,IAAI,CAACC,KAAL,CAAWR,CAAS,CAACS,OAAV,CAAkBW,aAA7B,CADd,CAEIC,QAAQ,CAAER,CAAS,CAACS,QAFxB,CAGIC,OAAO,CAAEV,CAAS,CAACU,OAHvB,CAIIC,YAAY,CAAExB,CAAS,CAACS,OAAV,CAAkBgB,iBAJpC,CAKIC,WAAW,CAAE1B,CAAS,CAACS,OAAV,CAAkBkB,gBALnC,CAMIC,UAAU,CAAE5B,CAAS,CAACS,OAAV,CAAkBoB,eANlC,CAOIC,QAAQ,CAAE9B,CAAS,CAACS,OAAV,CAAkBsB,aAPhC,CAQIC,aAAa,CAAEzB,IAAI,CAACC,KAAL,CAAWR,CAAS,CAACS,OAAV,CAAkBwB,kBAA7B,CARnB,CAJG,CAcHrB,CAdG,EAgBNsB,IAhBM,CAgBD,SAAAC,CAAI,CAAI,CACV,GAAMC,CAAAA,CAAW,CAAGC,QAAQ,CAACC,aAAT,CAAuB,KAAvB,CAApB,CACAF,CAAW,CAACG,SAAZ,CAAwBJ,CAAI,CAACK,IAA7B,CACAxC,CAAS,CAACyC,WAAV,OAAAzC,CAAS,GAAgBoC,CAAW,CAACM,UAA5B,EAAT,CAGA,MAAOC,CAAAA,CAAc,CAAC3C,CAAS,CAACS,OAAV,CAAkBS,aAAnB,CACxB,CAvBM,EAuBJgB,IAvBI,CAuBC,SAAAlC,CAAS,CAAI,CACjBA,CAAS,CAAC4C,aAAV,CAAwB,GAAIC,CAAAA,WAAJ,CAAgBC,UAAOC,qBAAvB,CAA8C,CAClEC,OAAO,GAD2D,CAA9C,CAAxB,EAIA,MAAOhD,CAAAA,CACV,CA7BM,EA8BNkC,IA9BM,CA8BD,SAAAlC,CAAS,CAAI,CACfc,CAAc,CAACmC,OAAf,GAEA,MAAOjD,CAAAA,CACV,CAlCM,CAmCV,C,yBAEM,GAAMkD,CAAAA,CAAW,CAAG,SAAClD,CAAD,CASO,8DAA9B,EAA8B,KAR9BmD,MAQ8B,CAR9BA,CAQ8B,YARrB,IAQqB,OAP9BC,SAO8B,CAP9BA,CAO8B,YAPlB,IAOkB,OAN9B7B,OAM8B,CAN9BA,CAM8B,YANpB,IAMoB,OAL9B8B,YAK8B,CAL9BA,CAK8B,YALf,IAKe,OAJ9BC,WAI8B,CAJ9BA,CAI8B,YAJhB,IAIgB,OAH9B1B,UAG8B,CAH9BA,CAG8B,YAHjB,IAGiB,OAF9BE,QAE8B,CAF9BA,CAE8B,YAFnB,IAEmB,OAD9BE,aAC8B,CAD9BA,CAC8B,YADd,IACc,GAA1BuB,CAA0B,2DAC9BxD,CAAmB,CAACC,CAAD,CAAnB,CAD8B,GAGxBc,CAAAA,CAAc,CAAG,GAAIC,UAAJ,CAAY,gCAAZ,CAHO,CAI1ByC,CAAkB,GAJQ,CAO9B,GAAIL,CAAM,EAAIC,CAAd,CAAyB,CAGrBI,CAAkB,GAAlB,CAEA,GAAMrC,CAAAA,CAAQ,CAAGZ,IAAI,CAACC,KAAL,CAAWR,CAAS,CAACS,OAAV,CAAkBW,aAA7B,CAAjB,CACAD,CAAQ,CAACsC,OAAT,CAAiB,CACbC,MAAM,CAAEP,CADK,CAEbQ,SAAS,CAAEC,QAAQ,CAACR,CAAD,CAAY,EAAZ,CAFN,CAAjB,EAIApD,CAAS,CAACS,OAAV,CAAkBW,aAAlB,CAAkCb,IAAI,CAACsD,SAAL,CAAe1C,CAAf,CACrC,CAGD,GAAqB,IAAjB,GAAAkC,CAAJ,CAA2B,CACvB,GAAIrD,CAAS,CAACS,OAAV,CAAkBgB,iBAAlB,GAAwC4B,CAA5C,CAA0D,CACtDG,CAAkB,GACrB,CAEDxD,CAAS,CAACS,OAAV,CAAkBgB,iBAAlB,CAAsC4B,CACzC,CAED,GAAoB,IAAhB,GAAAC,CAAJ,CAA0B,CACtB,GAAItD,CAAS,CAACS,OAAV,CAAkBkB,gBAAlB,GAAuC2B,CAA3C,CAAwD,CACpDE,CAAkB,GACrB,CAEDxD,CAAS,CAACS,OAAV,CAAkBkB,gBAAlB,CAAqC2B,CACxC,CAED,GAAiB,IAAb,GAAAxB,CAAJ,CAAuB,CACnB,GAAI9B,CAAS,CAACS,OAAV,CAAkBsB,aAAlB,EAAmCD,CAAvC,CAAiD,CAC7C0B,CAAkB,GACrB,CAEDxD,CAAS,CAACS,OAAV,CAAkBsB,aAAlB,CAAkCD,CACrC,CAGD,GAAIP,CAAJ,CAAa,CACT,GAAMuC,CAAAA,CAAU,CAAGvD,IAAI,CAACsD,SAAL,CAAetC,CAAf,CAAnB,CAEA,GAAIvB,CAAS,CAACS,OAAV,CAAkBC,YAAlB,GAAmCoD,CAAvC,CAAmD,CAC/CN,CAAkB,GACrB,CAEDxD,CAAS,CAACS,OAAV,CAAkBC,YAAlB,CAAiCoD,CACpC,CAID,GAAIN,CAAJ,CAAwB,CACpB5B,CAAU,CAAG,CAChB,CAGD,GAAII,CAAJ,CAAmB,CACf,GAAM+B,CAAAA,CAAU,CAAGxD,IAAI,CAACsD,SAAL,CAAe7B,CAAf,CAAnB,CAEA,GAAIhC,CAAS,CAACS,OAAV,CAAkBwB,kBAAlB,GAAyC8B,CAA7C,CAAyD,CACrDP,CAAkB,GACrB,CAEDxD,CA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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to handle dynamic table features.\n *\n * @module     core_table/dynamic\n * @package    core_table\n * @copyright  2020 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as Selectors from 'core_table/local/dynamic/selectors';\nimport Events from './local/dynamic/events';\nimport Pending from 'core/pending';\nimport {addIconToContainer} from 'core/loadingicon';\nimport {fetch as fetchTableData} from 'core_table/local/dynamic/repository';\nimport Notification from 'core/notification';\n\nlet watching = false;\n\n/**\n * Ensure that a table is a dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Bool}\n */\nconst checkTableIsDynamic = tableRoot => {\n    if (!tableRoot) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    if (!tableRoot.matches(Selectors.main.region)) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    return true;\n};\n\n/**\n * Get the filterset data from a known dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Object}\n */\nconst getFiltersetFromTable = tableRoot => {\n    return JSON.parse(tableRoot.dataset.tableFilters);\n};\n\n/**\n * Update the specified table based on its current values.\n *\n * @param {HTMLElement} tableRoot\n * @param {Bool} resetContent\n * @returns {Promise}\n */\nexport const refreshTableContent = (tableRoot, resetContent = false) => {\n    const filterset = getFiltersetFromTable(tableRoot);\n    addIconToContainer(tableRoot);\n\n    const pendingPromise = new Pending('core_table/dynamic:refreshTableContent');\n\n    return fetchTableData(\n        tableRoot.dataset.tableComponent,\n        tableRoot.dataset.tableHandler,\n        tableRoot.dataset.tableUniqueid,\n        {\n            sortData: JSON.parse(tableRoot.dataset.tableSortData),\n            joinType: filterset.jointype,\n            filters: filterset.filters,\n            firstinitial: tableRoot.dataset.tableFirstInitial,\n            lastinitial: tableRoot.dataset.tableLastInitial,\n            pageNumber: tableRoot.dataset.tablePageNumber,\n            pageSize: tableRoot.dataset.tablePageSize,\n            hiddenColumns: JSON.parse(tableRoot.dataset.tableHiddenColumns),\n        },\n        resetContent,\n    )\n    .then(data => {\n        const placeholder = document.createElement('div');\n        placeholder.innerHTML = data.html;\n        tableRoot.replaceWith(...placeholder.childNodes);\n\n        // Update the tableRoot.\n        return getTableFromId(tableRoot.dataset.tableUniqueid);\n    }).then(tableRoot => {\n        tableRoot.dispatchEvent(new CustomEvent(Events.tableContentRefreshed, {\n            bubbles: true,\n        }));\n\n        return tableRoot;\n    })\n    .then(tableRoot => {\n        pendingPromise.resolve();\n\n        return tableRoot;\n    });\n};\n\nexport const updateTable = (tableRoot, {\n    sortBy = null,\n    sortOrder = null,\n    filters = null,\n    firstInitial = null,\n    lastInitial = null,\n    pageNumber = null,\n    pageSize = null,\n    hiddenColumns = null,\n} = {}, refreshContent = true) => {\n    checkTableIsDynamic(tableRoot);\n\n    const pendingPromise = new Pending('core_table/dynamic:updateTable');\n    let tableConfigChanged = false;\n\n    // Update sort fields.\n    if (sortBy && sortOrder) {\n        // Always update the table if requested and there were sort fields.\n        // These fields are only ever normalised in the backend.\n        tableConfigChanged = true;\n\n        const sortData = JSON.parse(tableRoot.dataset.tableSortData);\n        sortData.unshift({\n            sortby: sortBy,\n            sortorder: parseInt(sortOrder, 10),\n        });\n        tableRoot.dataset.tableSortData = JSON.stringify(sortData);\n    }\n\n    // Update initials.\n    if (firstInitial !== null) {\n        if (tableRoot.dataset.tableFirstInitial !== firstInitial) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableFirstInitial = firstInitial;\n    }\n\n    if (lastInitial !== null) {\n        if (tableRoot.dataset.tableLastInitial !== lastInitial) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableLastInitial = lastInitial;\n    }\n\n    if (pageSize !== null) {\n        if (tableRoot.dataset.tablePageSize != pageSize) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tablePageSize = pageSize;\n    }\n\n    // Update filters.\n    if (filters) {\n        const filterJson = JSON.stringify(filters);\n\n        if (tableRoot.dataset.tableFilters !== filterJson) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableFilters = filterJson;\n    }\n\n    // Reset to page 1 when table content is being altered by filtering or sorting.\n    // This ensures the table page being loaded always exists, and gives a consistent experience.\n    if (tableConfigChanged) {\n        pageNumber = 1;\n    }\n\n    // Update hidden columns.\n    if (hiddenColumns) {\n        const columnJson = JSON.stringify(hiddenColumns);\n\n        if (tableRoot.dataset.tableHiddenColumns !== columnJson) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableHiddenColumns = columnJson;\n    }\n\n    if (pageNumber !== null) {\n        if (tableRoot.dataset.tablePageNumber != pageNumber) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tablePageNumber = pageNumber;\n    }\n\n    // Refresh.\n    if (refreshContent && tableConfigChanged) {\n        return refreshTableContent(tableRoot)\n        .then(tableRoot => {\n            pendingPromise.resolve();\n            return tableRoot;\n        });\n    } else {\n        pendingPromise.resolve();\n        return Promise.resolve(tableRoot);\n    }\n};\n\n/**\n * Get the table dataset for the specified tableRoot, ensuring that the provided table is a dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {DOMStringMap}\n */\nconst getTableData = tableRoot => {\n    checkTableIsDynamic(tableRoot);\n\n    return tableRoot.dataset;\n};\n\n/**\n * Update the specified table using the new filters.\n *\n * @param {HTMLElement} tableRoot\n * @param {Object} filters\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setFilters = (tableRoot, filters, refreshContent = true) =>\n    updateTable(tableRoot, {filters}, refreshContent);\n\n/**\n * Get the filter data for the specified table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Object}\n */\nexport const getFilters = tableRoot => {\n    checkTableIsDynamic(tableRoot);\n\n    return getFiltersetFromTable(tableRoot);\n};\n\n/**\n * Update the sort order.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} sortBy\n * @param {Number} sortOrder\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setSortOrder = (tableRoot, sortBy, sortOrder, refreshContent = true) =>\n    updateTable(tableRoot, {sortBy, sortOrder}, refreshContent);\n\n/**\n * Set the page number.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} pageNumber\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setPageNumber = (tableRoot, pageNumber, refreshContent = true) =>\n    updateTable(tableRoot, {pageNumber}, refreshContent);\n\n/**\n * Get the current page number.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Number}\n */\nexport const getPageNumber = tableRoot => getTableData(tableRoot).tablePageNumber;\n\n/**\n * Set the page size.\n *\n * @param {HTMLElement} tableRoot\n * @param {Number} pageSize\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setPageSize = (tableRoot, pageSize, refreshContent = true) =>\n    updateTable(tableRoot, {pageSize, pageNumber: 1}, refreshContent);\n\n/**\n * Get the current page size.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Number}\n */\nexport const getPageSize = tableRoot => getTableData(tableRoot).tablePageSize;\n\n/**\n * Update the first initial to show.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} firstInitial\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setFirstInitial = (tableRoot, firstInitial, refreshContent = true) =>\n    updateTable(tableRoot, {firstInitial}, refreshContent);\n\n/**\n * Get the current first initial filter.\n *\n * @param {HTMLElement} tableRoot\n * @returns {String}\n */\nexport const getFirstInitial = tableRoot => getTableData(tableRoot).tableFirstInitial;\n\n/**\n * Update the last initial to show.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} lastInitial\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setLastInitial = (tableRoot, lastInitial, refreshContent = true) =>\n    updateTable(tableRoot, {lastInitial}, refreshContent);\n\n/**\n * Get the current last initial filter.\n *\n * @param {HTMLElement} tableRoot\n * @returns {String}\n */\nexport const getLastInitial = tableRoot => getTableData(tableRoot).tableLastInitial;\n\n/**\n * Hide a column in the participants table.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} columnToHide\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const hideColumn = (tableRoot, columnToHide, refreshContent = true) => {\n    const hiddenColumns = JSON.parse(tableRoot.dataset.tableHiddenColumns);\n    hiddenColumns.push(columnToHide);\n\n    return updateTable(tableRoot, {hiddenColumns}, refreshContent);\n};\n\n/**\n * Make a hidden column visible in the participants table.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} columnToShow\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const showColumn = (tableRoot, columnToShow, refreshContent = true) => {\n    let hiddenColumns = JSON.parse(tableRoot.dataset.tableHiddenColumns);\n    hiddenColumns = hiddenColumns.filter(columnName => columnName !== columnToShow);\n\n    return updateTable(tableRoot, {hiddenColumns}, refreshContent);\n};\n\n/**\n * Reset table preferences.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Promise}\n */\nconst resetTablePreferences = tableRoot => refreshTableContent(tableRoot, true);\n\n/**\n * Set up listeners to handle table updates.\n */\nexport const init = () => {\n    if (watching) {\n        // Already watching.\n        return;\n    }\n    watching = true;\n\n    document.addEventListener('click', e => {\n        const tableRoot = e.target.closest(Selectors.main.region);\n\n        if (!tableRoot) {\n            return;\n        }\n\n        const sortableLink = e.target.closest(Selectors.table.links.sortableColumn);\n        if (sortableLink) {\n            e.preventDefault();\n\n            setSortOrder(tableRoot, sortableLink.dataset.sortby, sortableLink.dataset.sortorder)\n            .catch(Notification.exception);\n        }\n\n        const firstInitialLink = e.target.closest(Selectors.initialsBar.links.firstInitial);\n        if (firstInitialLink !== null) {\n            e.preventDefault();\n\n            setFirstInitial(tableRoot, firstInitialLink.dataset.initial).catch(Notification.exception);\n        }\n\n        const lastInitialLink = e.target.closest(Selectors.initialsBar.links.lastInitial);\n        if (lastInitialLink !== null) {\n            e.preventDefault();\n\n            setLastInitial(tableRoot, lastInitialLink.dataset.initial).catch(Notification.exception);\n        }\n\n        const pageItem = e.target.closest(Selectors.paginationBar.links.pageItem);\n        if (pageItem) {\n            e.preventDefault();\n\n            setPageNumber(tableRoot, pageItem.dataset.pageNumber).catch(Notification.exception);\n        }\n\n        const hide = e.target.closest(Selectors.table.links.hide);\n        if (hide) {\n            e.preventDefault();\n\n            hideColumn(tableRoot, hide.dataset.column).catch(Notification.exception);\n        }\n\n        const show = e.target.closest(Selectors.table.links.show);\n        if (show) {\n            e.preventDefault();\n\n            showColumn(tableRoot, show.dataset.column).catch(Notification.exception);\n        }\n\n        const resetTablePreferencesLink = e.target.closest('.resettable a');\n        if (resetTablePreferencesLink) {\n            e.preventDefault();\n\n            resetTablePreferences(tableRoot).catch(Notification.exception);\n        }\n    });\n};\n\n/**\n * Fetch the table via its table region id.\n *\n * @param {String} tableRegionId\n * @returns {HTMLElement}\n */\nexport const getTableFromId = tableRegionId => {\n    const tableRoot = document.querySelector(Selectors.main.fromRegionId(tableRegionId));\n\n\n    if (!tableRoot) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    return tableRoot;\n};\n\nexport {\n    Events\n};\n"],"file":"dynamic.min.js"}
\ No newline at end of file
+{"version":3,"file":"dynamic.min.js","sources":["../src/dynamic.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to handle dynamic table features.\n *\n * @module     core_table/dynamic\n * @package    core_table\n * @copyright  2020 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as Selectors from 'core_table/local/dynamic/selectors';\nimport Events from './local/dynamic/events';\nimport Pending from 'core/pending';\nimport {addIconToContainer} from 'core/loadingicon';\nimport {fetch as fetchTableData} from 'core_table/local/dynamic/repository';\nimport Notification from 'core/notification';\n\nlet watching = false;\n\n/**\n * Ensure that a table is a dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Bool}\n */\nconst checkTableIsDynamic = tableRoot => {\n    if (!tableRoot) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    if (!tableRoot.matches(Selectors.main.region)) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    return true;\n};\n\n/**\n * Get the filterset data from a known dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Object}\n */\nconst getFiltersetFromTable = tableRoot => {\n    return JSON.parse(tableRoot.dataset.tableFilters);\n};\n\n/**\n * Update the specified table based on its current values.\n *\n * @param {HTMLElement} tableRoot\n * @param {Bool} resetContent\n * @returns {Promise}\n */\nexport const refreshTableContent = (tableRoot, resetContent = false) => {\n    const filterset = getFiltersetFromTable(tableRoot);\n    addIconToContainer(tableRoot);\n\n    const pendingPromise = new Pending('core_table/dynamic:refreshTableContent');\n\n    return fetchTableData(\n        tableRoot.dataset.tableComponent,\n        tableRoot.dataset.tableHandler,\n        tableRoot.dataset.tableUniqueid,\n        {\n            sortData: JSON.parse(tableRoot.dataset.tableSortData),\n            joinType: filterset.jointype,\n            filters: filterset.filters,\n            firstinitial: tableRoot.dataset.tableFirstInitial,\n            lastinitial: tableRoot.dataset.tableLastInitial,\n            pageNumber: tableRoot.dataset.tablePageNumber,\n            pageSize: tableRoot.dataset.tablePageSize,\n            hiddenColumns: JSON.parse(tableRoot.dataset.tableHiddenColumns),\n        },\n        resetContent,\n    )\n    .then(data => {\n        const placeholder = document.createElement('div');\n        placeholder.innerHTML = data.html;\n        tableRoot.replaceWith(...placeholder.childNodes);\n\n        // Update the tableRoot.\n        return getTableFromId(tableRoot.dataset.tableUniqueid);\n    }).then(tableRoot => {\n        tableRoot.dispatchEvent(new CustomEvent(Events.tableContentRefreshed, {\n            bubbles: true,\n        }));\n\n        return tableRoot;\n    })\n    .then(tableRoot => {\n        pendingPromise.resolve();\n\n        return tableRoot;\n    });\n};\n\nexport const updateTable = (tableRoot, {\n    sortBy = null,\n    sortOrder = null,\n    filters = null,\n    firstInitial = null,\n    lastInitial = null,\n    pageNumber = null,\n    pageSize = null,\n    hiddenColumns = null,\n} = {}, refreshContent = true) => {\n    checkTableIsDynamic(tableRoot);\n\n    const pendingPromise = new Pending('core_table/dynamic:updateTable');\n    let tableConfigChanged = false;\n\n    // Update sort fields.\n    if (sortBy && sortOrder) {\n        // Always update the table if requested and there were sort fields.\n        // These fields are only ever normalised in the backend.\n        tableConfigChanged = true;\n\n        const sortData = JSON.parse(tableRoot.dataset.tableSortData);\n        sortData.unshift({\n            sortby: sortBy,\n            sortorder: parseInt(sortOrder, 10),\n        });\n        tableRoot.dataset.tableSortData = JSON.stringify(sortData);\n    }\n\n    // Update initials.\n    if (firstInitial !== null) {\n        if (tableRoot.dataset.tableFirstInitial !== firstInitial) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableFirstInitial = firstInitial;\n    }\n\n    if (lastInitial !== null) {\n        if (tableRoot.dataset.tableLastInitial !== lastInitial) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableLastInitial = lastInitial;\n    }\n\n    if (pageSize !== null) {\n        if (tableRoot.dataset.tablePageSize != pageSize) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tablePageSize = pageSize;\n    }\n\n    // Update filters.\n    if (filters) {\n        const filterJson = JSON.stringify(filters);\n\n        if (tableRoot.dataset.tableFilters !== filterJson) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableFilters = filterJson;\n    }\n\n    // Reset to page 1 when table content is being altered by filtering or sorting.\n    // This ensures the table page being loaded always exists, and gives a consistent experience.\n    if (tableConfigChanged) {\n        pageNumber = 1;\n    }\n\n    // Update hidden columns.\n    if (hiddenColumns) {\n        const columnJson = JSON.stringify(hiddenColumns);\n\n        if (tableRoot.dataset.tableHiddenColumns !== columnJson) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tableHiddenColumns = columnJson;\n    }\n\n    if (pageNumber !== null) {\n        if (tableRoot.dataset.tablePageNumber != pageNumber) {\n            tableConfigChanged = true;\n        }\n\n        tableRoot.dataset.tablePageNumber = pageNumber;\n    }\n\n    // Refresh.\n    if (refreshContent && tableConfigChanged) {\n        return refreshTableContent(tableRoot)\n        .then(tableRoot => {\n            pendingPromise.resolve();\n            return tableRoot;\n        });\n    } else {\n        pendingPromise.resolve();\n        return Promise.resolve(tableRoot);\n    }\n};\n\n/**\n * Get the table dataset for the specified tableRoot, ensuring that the provided table is a dynamic table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {DOMStringMap}\n */\nconst getTableData = tableRoot => {\n    checkTableIsDynamic(tableRoot);\n\n    return tableRoot.dataset;\n};\n\n/**\n * Update the specified table using the new filters.\n *\n * @param {HTMLElement} tableRoot\n * @param {Object} filters\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setFilters = (tableRoot, filters, refreshContent = true) =>\n    updateTable(tableRoot, {filters}, refreshContent);\n\n/**\n * Get the filter data for the specified table.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Object}\n */\nexport const getFilters = tableRoot => {\n    checkTableIsDynamic(tableRoot);\n\n    return getFiltersetFromTable(tableRoot);\n};\n\n/**\n * Update the sort order.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} sortBy\n * @param {Number} sortOrder\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setSortOrder = (tableRoot, sortBy, sortOrder, refreshContent = true) =>\n    updateTable(tableRoot, {sortBy, sortOrder}, refreshContent);\n\n/**\n * Set the page number.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} pageNumber\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setPageNumber = (tableRoot, pageNumber, refreshContent = true) =>\n    updateTable(tableRoot, {pageNumber}, refreshContent);\n\n/**\n * Get the current page number.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Number}\n */\nexport const getPageNumber = tableRoot => getTableData(tableRoot).tablePageNumber;\n\n/**\n * Set the page size.\n *\n * @param {HTMLElement} tableRoot\n * @param {Number} pageSize\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setPageSize = (tableRoot, pageSize, refreshContent = true) =>\n    updateTable(tableRoot, {pageSize, pageNumber: 1}, refreshContent);\n\n/**\n * Get the current page size.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Number}\n */\nexport const getPageSize = tableRoot => getTableData(tableRoot).tablePageSize;\n\n/**\n * Update the first initial to show.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} firstInitial\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setFirstInitial = (tableRoot, firstInitial, refreshContent = true) =>\n    updateTable(tableRoot, {firstInitial}, refreshContent);\n\n/**\n * Get the current first initial filter.\n *\n * @param {HTMLElement} tableRoot\n * @returns {String}\n */\nexport const getFirstInitial = tableRoot => getTableData(tableRoot).tableFirstInitial;\n\n/**\n * Update the last initial to show.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} lastInitial\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const setLastInitial = (tableRoot, lastInitial, refreshContent = true) =>\n    updateTable(tableRoot, {lastInitial}, refreshContent);\n\n/**\n * Get the current last initial filter.\n *\n * @param {HTMLElement} tableRoot\n * @returns {String}\n */\nexport const getLastInitial = tableRoot => getTableData(tableRoot).tableLastInitial;\n\n/**\n * Hide a column in the participants table.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} columnToHide\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const hideColumn = (tableRoot, columnToHide, refreshContent = true) => {\n    const hiddenColumns = JSON.parse(tableRoot.dataset.tableHiddenColumns);\n    hiddenColumns.push(columnToHide);\n\n    return updateTable(tableRoot, {hiddenColumns}, refreshContent);\n};\n\n/**\n * Make a hidden column visible in the participants table.\n *\n * @param {HTMLElement} tableRoot\n * @param {String} columnToShow\n * @param {Bool} refreshContent\n * @returns {Promise}\n */\nexport const showColumn = (tableRoot, columnToShow, refreshContent = true) => {\n    let hiddenColumns = JSON.parse(tableRoot.dataset.tableHiddenColumns);\n    hiddenColumns = hiddenColumns.filter(columnName => columnName !== columnToShow);\n\n    return updateTable(tableRoot, {hiddenColumns}, refreshContent);\n};\n\n/**\n * Reset table preferences.\n *\n * @param {HTMLElement} tableRoot\n * @returns {Promise}\n */\nconst resetTablePreferences = tableRoot => refreshTableContent(tableRoot, true);\n\n/**\n * Set up listeners to handle table updates.\n */\nexport const init = () => {\n    if (watching) {\n        // Already watching.\n        return;\n    }\n    watching = true;\n\n    document.addEventListener('click', e => {\n        const tableRoot = e.target.closest(Selectors.main.region);\n\n        if (!tableRoot) {\n            return;\n        }\n\n        const sortableLink = e.target.closest(Selectors.table.links.sortableColumn);\n        if (sortableLink) {\n            e.preventDefault();\n\n            setSortOrder(tableRoot, sortableLink.dataset.sortby, sortableLink.dataset.sortorder)\n            .catch(Notification.exception);\n        }\n\n        const firstInitialLink = e.target.closest(Selectors.initialsBar.links.firstInitial);\n        if (firstInitialLink !== null) {\n            e.preventDefault();\n\n            setFirstInitial(tableRoot, firstInitialLink.dataset.initial).catch(Notification.exception);\n        }\n\n        const lastInitialLink = e.target.closest(Selectors.initialsBar.links.lastInitial);\n        if (lastInitialLink !== null) {\n            e.preventDefault();\n\n            setLastInitial(tableRoot, lastInitialLink.dataset.initial).catch(Notification.exception);\n        }\n\n        const pageItem = e.target.closest(Selectors.paginationBar.links.pageItem);\n        if (pageItem) {\n            e.preventDefault();\n\n            setPageNumber(tableRoot, pageItem.dataset.pageNumber).catch(Notification.exception);\n        }\n\n        const hide = e.target.closest(Selectors.table.links.hide);\n        if (hide) {\n            e.preventDefault();\n\n            hideColumn(tableRoot, hide.dataset.column).catch(Notification.exception);\n        }\n\n        const show = e.target.closest(Selectors.table.links.show);\n        if (show) {\n            e.preventDefault();\n\n            showColumn(tableRoot, show.dataset.column).catch(Notification.exception);\n        }\n\n        const resetTablePreferencesLink = e.target.closest('.resettable a');\n        if (resetTablePreferencesLink) {\n            e.preventDefault();\n\n            resetTablePreferences(tableRoot).catch(Notification.exception);\n        }\n    });\n};\n\n/**\n * Fetch the table via its table region id.\n *\n * @param {String} tableRegionId\n * @returns {HTMLElement}\n */\nexport const getTableFromId = tableRegionId => {\n    const tableRoot = document.querySelector(Selectors.main.fromRegionId(tableRegionId));\n\n\n    if (!tableRoot) {\n        // The table is not a dynamic table.\n        throw new Error(\"The table specified is not a dynamic table and cannot be updated\");\n    }\n\n    return tableRoot;\n};\n\nexport {\n    Events\n};\n"],"names":["watching","checkTableIsDynamic","tableRoot","Error","matches","Selectors","main","region","getFiltersetFromTable","JSON","parse","dataset","tableFilters","refreshTableContent","resetContent","filterset","pendingPromise","Pending","tableComponent","tableHandler","tableUniqueid","sortData","tableSortData","joinType","jointype","filters","firstinitial","tableFirstInitial","lastinitial","tableLastInitial","pageNumber","tablePageNumber","pageSize","tablePageSize","hiddenColumns","tableHiddenColumns","then","data","placeholder","document","createElement","innerHTML","html","replaceWith","childNodes","getTableFromId","dispatchEvent","CustomEvent","Events","tableContentRefreshed","bubbles","resolve","updateTable","sortBy","sortOrder","firstInitial","lastInitial","refreshContent","tableConfigChanged","unshift","sortby","sortorder","parseInt","stringify","filterJson","columnJson","Promise","getTableData","setSortOrder","setPageNumber","setFirstInitial","setLastInitial","hideColumn","columnToHide","push","showColumn","columnToShow","filter","columnName","addEventListener","e","target","closest","sortableLink","table","links","sortableColumn","preventDefault","catch","Notification","exception","firstInitialLink","initialsBar","initial","lastInitialLink","pageItem","paginationBar","hide","column","show","resetTablePreferences","tableRegionId","querySelector","fromRegionId"],"mappings":"imGA8BIA,UAAW,EAQTC,oBAAsB,SAAAC,eACnBA,gBAEK,IAAIC,MAAM,wEAGfD,UAAUE,QAAQC,UAAUC,KAAKC,cAE5B,IAAIJ,MAAM,2EAGb,GASLK,sBAAwB,SAAAN,kBACnBO,KAAKC,MAAMR,UAAUS,QAAQC,eAU3BC,oBAAsB,SAACX,eAAWY,qEACrCC,UAAYP,sBAAsBN,+CACrBA,eAEbc,eAAiB,IAAIC,iBAAQ,iDAE5B,qBACHf,UAAUS,QAAQO,eAClBhB,UAAUS,QAAQQ,aAClBjB,UAAUS,QAAQS,cAClB,CACIC,SAAUZ,KAAKC,MAAMR,UAAUS,QAAQW,eACvCC,SAAUR,UAAUS,SACpBC,QAASV,UAAUU,QACnBC,aAAcxB,UAAUS,QAAQgB,kBAChCC,YAAa1B,UAAUS,QAAQkB,iBAC/BC,WAAY5B,UAAUS,QAAQoB,gBAC9BC,SAAU9B,UAAUS,QAAQsB,cAC5BC,cAAezB,KAAKC,MAAMR,UAAUS,QAAQwB,qBAEhDrB,cAEHsB,MAAK,SAAAC,UACIC,YAAcC,SAASC,cAAc,cAC3CF,YAAYG,UAAYJ,KAAKK,KAC7BxC,UAAUyC,kBAAVzC,6BAAyBoC,YAAYM,aAG9BC,eAAe3C,UAAUS,QAAQS,kBACzCgB,MAAK,SAAAlC,kBACJA,UAAU4C,cAAc,IAAIC,YAAYC,gBAAOC,sBAAuB,CAClEC,SAAS,KAGNhD,aAEVkC,MAAK,SAAAlC,kBACFc,eAAemC,UAERjD,mEAIFkD,YAAc,SAAClD,2EASxB,oBARAmD,OAAAA,4BAAS,qCACTC,UAAAA,kCAAY,sCACZ7B,QAAAA,8BAAU,yCACV8B,aAAAA,wCAAe,6CACfC,YAAAA,sCAAc,2CACd1B,WAAAA,oCAAa,wCACbE,SAAAA,gCAAW,2CACXE,cAAAA,0CAAgB,wBACZuB,0EACJxD,oBAAoBC,eAEdc,eAAiB,IAAIC,iBAAQ,kCAC/ByC,oBAAqB,KAGrBL,QAAUC,UAAW,CAGrBI,oBAAqB,MAEfrC,SAAWZ,KAAKC,MAAMR,UAAUS,QAAQW,eAC9CD,SAASsC,QAAQ,CACbC,OAAQP,OACRQ,UAAWC,SAASR,UAAW,MAEnCpD,UAAUS,QAAQW,cAAgBb,KAAKsD,UAAU1C,aAIhC,OAAjBkC,eACIrD,UAAUS,QAAQgB,oBAAsB4B,eACxCG,oBAAqB,GAGzBxD,UAAUS,QAAQgB,kBAAoB4B,cAGtB,OAAhBC,cACItD,UAAUS,QAAQkB,mBAAqB2B,cACvCE,oBAAqB,GAGzBxD,UAAUS,QAAQkB,iBAAmB2B,aAGxB,OAAbxB,WACI9B,UAAUS,QAAQsB,eAAiBD,WACnC0B,oBAAqB,GAGzBxD,UAAUS,QAAQsB,cAAgBD,UAIlCP,QAAS,KACHuC,WAAavD,KAAKsD,UAAUtC,SAE9BvB,UAAUS,QAAQC,eAAiBoD,aACnCN,oBAAqB,GAGzBxD,UAAUS,QAAQC,aAAeoD,cAKjCN,qBACA5B,WAAa,GAIbI,cAAe,KACT+B,WAAaxD,KAAKsD,UAAU7B,eAE9BhC,UAAUS,QAAQwB,qBAAuB8B,aACzCP,oBAAqB,GAGzBxD,UAAUS,QAAQwB,mBAAqB8B,kBAGxB,OAAfnC,aACI5B,UAAUS,QAAQoB,iBAAmBD,aACrC4B,oBAAqB,GAGzBxD,UAAUS,QAAQoB,gBAAkBD,YAIpC2B,gBAAkBC,mBACX7C,oBAAoBX,WAC1BkC,MAAK,SAAAlC,kBACFc,eAAemC,UACRjD,cAGXc,eAAemC,UACRe,QAAQf,QAAQjD,kDAUzBiE,aAAe,SAAAjE,kBACjBD,oBAAoBC,WAEbA,UAAUS,6BAWK,SAACT,UAAWuB,aAASgC,iFAC3CL,YAAYlD,UAAW,CAACuB,QAAAA,SAAUgC,qCAQZ,SAAAvD,kBACtBD,oBAAoBC,WAEbM,sBAAsBN,gBAYpBkE,aAAe,SAAClE,UAAWmD,OAAQC,eAAWG,iFACvDL,YAAYlD,UAAW,CAACmD,OAAAA,OAAQC,UAAAA,WAAYG,wDAUnCY,cAAgB,SAACnE,UAAW4B,gBAAY2B,iFACjDL,YAAYlD,UAAW,CAAC4B,WAAAA,YAAa2B,6EAQZ,SAAAvD,kBAAaiE,aAAajE,WAAW6B,sCAUvC,SAAC7B,UAAW8B,cAAUyB,iFAC7CL,YAAYlD,UAAW,CAAC8B,SAAAA,SAAUF,WAAY,GAAI2B,sCAQ3B,SAAAvD,kBAAaiE,aAAajE,WAAW+B,mBAUnDqC,gBAAkB,SAACpE,UAAWqD,kBAAcE,iFACrDL,YAAYlD,UAAW,CAACqD,aAAAA,cAAeE,mFAQZ,SAAAvD,kBAAaiE,aAAajE,WAAWyB,uBAUvD4C,eAAiB,SAACrE,UAAWsD,iBAAaC,iFACnDL,YAAYlD,UAAW,CAACsD,YAAAA,aAAcC,gFAQZ,SAAAvD,kBAAaiE,aAAajE,WAAW2B,sBAUtD2C,WAAa,SAACtE,UAAWuE,kBAAchB,0EAC1CvB,cAAgBzB,KAAKC,MAAMR,UAAUS,QAAQwB,2BACnDD,cAAcwC,KAAKD,cAEZrB,YAAYlD,UAAW,CAACgC,cAAAA,eAAgBuB,oDAWtCkB,WAAa,SAACzE,UAAW0E,kBAAcnB,0EAC5CvB,cAAgBzB,KAAKC,MAAMR,UAAUS,QAAQwB,2BACjDD,cAAgBA,cAAc2C,QAAO,SAAAC,mBAAcA,aAAeF,gBAE3DxB,YAAYlD,UAAW,CAACgC,cAAAA,eAAgBuB,8DAc/B,WACZzD,WAIJA,UAAW,EAEXuC,SAASwC,iBAAiB,SAAS,SAAAC,OACzB9E,UAAY8E,EAAEC,OAAOC,QAAQ7E,UAAUC,KAAKC,WAE7CL,eAICiF,aAAeH,EAAEC,OAAOC,QAAQ7E,UAAU+E,MAAMC,MAAMC,gBACxDH,eACAH,EAAEO,iBAEFnB,aAAalE,UAAWiF,aAAaxE,QAAQiD,OAAQuB,aAAaxE,QAAQkD,WACzE2B,MAAMC,sBAAaC,gBAGlBC,iBAAmBX,EAAEC,OAAOC,QAAQ7E,UAAUuF,YAAYP,MAAM9B,cAC7C,OAArBoC,mBACAX,EAAEO,iBAEFjB,gBAAgBpE,UAAWyF,iBAAiBhF,QAAQkF,SAASL,MAAMC,sBAAaC,gBAG9EI,gBAAkBd,EAAEC,OAAOC,QAAQ7E,UAAUuF,YAAYP,MAAM7B,aAC7C,OAApBsC,kBACAd,EAAEO,iBAEFhB,eAAerE,UAAW4F,gBAAgBnF,QAAQkF,SAASL,MAAMC,sBAAaC,gBAG5EK,SAAWf,EAAEC,OAAOC,QAAQ7E,UAAU2F,cAAcX,MAAMU,UAC5DA,WACAf,EAAEO,iBAEFlB,cAAcnE,UAAW6F,SAASpF,QAAQmB,YAAY0D,MAAMC,sBAAaC,gBAGvEO,K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diff --git a/lib/table/amd/build/local/dynamic/events.min.js b/lib/table/amd/build/local/dynamic/events.min.js
index 2c0a7878179..59a985a92bd 100644
--- a/lib/table/amd/build/local/dynamic/events.min.js
+++ b/lib/table/amd/build/local/dynamic/events.min.js
@@ -1,2 +1,12 @@
-define ("core_table/local/dynamic/events",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b={tableContentRefreshed:function prefixEventName(a){return"core_table/dynamic:".concat(a)}("tableContentRefreshed")};a.default=b;return a.default});
-//# sourceMappingURL=events.min.js.map
+define("core_table/local/dynamic/events",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Dynamic table selectors.
+   *
+   * @module     core_table/local/dynamic/events
+   * @package    core_table
+   * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var eventName,_default={tableContentRefreshed:(eventName="tableContentRefreshed","core_table/dynamic:".concat(eventName))};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=events.min.js.map
\ No newline at end of file
diff --git a/lib/table/amd/build/local/dynamic/events.min.js.map b/lib/table/amd/build/local/dynamic/events.min.js.map
index 400c65985e1..18b5eec8e68 100644
--- a/lib/table/amd/build/local/dynamic/events.min.js.map
+++ b/lib/table/amd/build/local/dynamic/events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/local/dynamic/events.js"],"names":["tableContentRefreshed","prefixEventName","eventName"],"mappings":"uJA0Be,CACXA,qBAAqB,CAHD,QAAlBC,CAAAA,eAAkB,CAAAC,CAAS,qCAA0BA,CAA1B,EAGN,CAAgB,uBAAhB,CADZ,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Dynamic table selectors.\n *\n * @module     core_table/local/dynamic/events\n * @package    core_table\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nconst prefixEventName = eventName => `core_table/dynamic:${eventName}`;\n\nexport default {\n    tableContentRefreshed: prefixEventName('tableContentRefreshed'),\n};\n"],"file":"events.min.js"}
\ No newline at end of file
+{"version":3,"file":"events.min.js","sources":["../../../src/local/dynamic/events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Dynamic table selectors.\n *\n * @module     core_table/local/dynamic/events\n * @package    core_table\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nconst prefixEventName = eventName => `core_table/dynamic:${eventName}`;\n\nexport default {\n    tableContentRefreshed: prefixEventName('tableContentRefreshed'),\n};\n"],"names":["eventName","tableContentRefreshed"],"mappings":";;;;;;;;;IAwBwBA,mBAET,CACXC,uBAHoBD,UAGmB,qDAHgBA"}
\ No newline at end of file
diff --git a/lib/table/amd/build/local/dynamic/repository.min.js b/lib/table/amd/build/local/dynamic/repository.min.js
index e07cb965fd3..566e5218782 100644
--- a/lib/table/amd/build/local/dynamic/repository.min.js
+++ b/lib/table/amd/build/local/dynamic/repository.min.js
@@ -1,2 +1,3 @@
-define ("core_table/local/dynamic/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.fetch=void 0;a.fetch=function fetch(a,c,d){var e=3<arguments.length&&arguments[3]!==void 0?arguments[3]:{},f=e.sortData,g=void 0===f?[]:f,h=e.joinType,i=void 0===h?null:h,j=e.filters,k=void 0===j?{}:j,l=e.firstinitial,m=void 0===l?null:l,n=e.lastinitial,o=void 0===n?null:n,p=e.pageNumber,q=void 0===p?null:p,r=e.pageSize,s=void 0===r?null:r,t=e.hiddenColumns,u=void 0===t?{}:t,v=4<arguments.length&&arguments[4]!==void 0?arguments[4]:!1;return(0,b.call)([{methodname:"core_table_get_dynamic_table_content",args:{component:a,handler:c,uniqueid:d,sortdata:g,jointype:i,filters:k,firstinitial:m,lastinitial:o,pagenumber:q,pagesize:s,hiddencolumns:u,resetpreferences:v}}])[0]}});
-//# sourceMappingURL=repository.min.js.map
+define("core_table/local/dynamic/repository",["exports","core/ajax"],(function(_exports,_ajax){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.fetch=void 0;_exports.fetch=function(component,handler,uniqueid){var _ref=arguments.length>3&&void 0!==arguments[3]?arguments[3]:{},_ref$sortData=_ref.sortData,sortData=void 0===_ref$sortData?[]:_ref$sortData,_ref$joinType=_ref.joinType,joinType=void 0===_ref$joinType?null:_ref$joinType,_ref$filters=_ref.filters,filters=void 0===_ref$filters?{}:_ref$filters,_ref$firstinitial=_ref.firstinitial,firstinitial=void 0===_ref$firstinitial?null:_ref$firstinitial,_ref$lastinitial=_ref.lastinitial,lastinitial=void 0===_ref$lastinitial?null:_ref$lastinitial,_ref$pageNumber=_ref.pageNumber,pageNumber=void 0===_ref$pageNumber?null:_ref$pageNumber,_ref$pageSize=_ref.pageSize,pageSize=void 0===_ref$pageSize?null:_ref$pageSize,_ref$hiddenColumns=_ref.hiddenColumns,hiddenColumns=void 0===_ref$hiddenColumns?{}:_ref$hiddenColumns,resetPreferences=arguments.length>4&&void 0!==arguments[4]&&arguments[4];return(0,_ajax.call)([{methodname:"core_table_get_dynamic_table_content",args:{component:component,handler:handler,uniqueid:uniqueid,sortdata:sortData,jointype:joinType,filters:filters,firstinitial:firstinitial,lastinitial:lastinitial,pagenumber:pageNumber,pagesize:pageSize,hiddencolumns:hiddenColumns,resetpreferences:resetPreferences}}])[0]}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/lib/table/amd/build/local/dynamic/repository.min.js.map b/lib/table/amd/build/local/dynamic/repository.min.js.map
index 4cc71256448..fde55eefdb8 100644
--- a/lib/table/amd/build/local/dynamic/repository.min.js.map
+++ b/lib/table/amd/build/local/dynamic/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/local/dynamic/repository.js"],"names":["fetch","component","handler","uniqueid","sortData","joinType","filters","firstinitial","lastinitial","pageNumber","pageSize","hiddenColumns","resetPreferences","methodname","args","sortdata","jointype","pagenumber","pagesize","hiddencolumns","resetpreferences"],"mappings":"yKA6CqB,QAARA,CAAAA,KAAQ,CAACC,CAAD,CAAYC,CAAZ,CAAqBC,CAArB,CASoB,8DAAjC,EAAiC,KARjCC,QAQiC,CARjCA,CAQiC,YARtB,EAQsB,OAPjCC,QAOiC,CAPjCA,CAOiC,YAPtB,IAOsB,OANjCC,OAMiC,CANjCA,CAMiC,YANvB,EAMuB,OALjCC,YAKiC,CALjCA,CAKiC,YALlB,IAKkB,OAJjCC,WAIiC,CAJjCA,CAIiC,YAJnB,IAImB,OAHjCC,UAGiC,CAHjCA,CAGiC,YAHpB,IAGoB,OAFjCC,QAEiC,CAFjCA,CAEiC,YAFtB,IAEsB,OADjCC,aACiC,CADjCA,CACiC,YADjB,EACiB,GAA7BC,CAA6B,2DACrC,MAAO,WAAU,CAAC,CACdC,UAAU,uCADI,CAEdC,IAAI,CAAE,CACFb,SAAS,CAATA,CADE,CAEFC,OAAO,CAAPA,CAFE,CAGFC,QAAQ,CAARA,CAHE,CAIFY,QAAQ,CAAEX,CAJR,CAKFY,QAAQ,CAAEX,CALR,CAMFC,OAAO,CAAPA,CANE,CAOFC,YAAY,CAAZA,CAPE,CAQFC,WAAW,CAAXA,CARE,CASFS,UAAU,CAAER,CATV,CAUFS,QAAQ,CAAER,CAVR,CAWFS,aAAa,CAAER,CAXb,CAYFS,gBAAgB,CAAER,CAZhB,CAFQ,CAAD,CAAV,EAgBH,CAhBG,CAiBV,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle calendar ajax actions.\n *\n * @module     core_calendar/repository\n * @class      repository\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <lameze@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport {call as fetchMany} from 'core/ajax';\n\n/**\n * Fetch table view.\n *\n * @method fetch\n * @param {String} component The component\n * @param {String} handler The name of the handler\n * @param {String} uniqueid The unique id of the table\n * @param {Object} options The options to use when updating the table\n * @param {Array} options.sortData The list of columns to sort by\n * @param {Number} options.joinType The filterset join type\n * @param {Object} options.filters The filters to apply when searching\n * @param {String} options.firstinitial The first name initial to filter on\n * @param {String} options.lastinitial The last name initial to filter on\n * @param {String} options.pageNumber The page number\n * @param {Number} options.pageSize The page size\n * @param {Object} options.hiddenColumns The columns to hide\n * @param {Bool} resetPreferences\n * @return {Promise} Resolved with requested table view\n */\nexport const fetch = (component, handler, uniqueid, {\n        sortData = [],\n        joinType = null,\n        filters = {},\n        firstinitial = null,\n        lastinitial = null,\n        pageNumber = null,\n        pageSize = null,\n        hiddenColumns = {}\n    } = {}, resetPreferences = false) => {\n    return fetchMany([{\n        methodname: `core_table_get_dynamic_table_content`,\n        args: {\n            component,\n            handler,\n            uniqueid,\n            sortdata: sortData,\n            jointype: joinType,\n            filters,\n            firstinitial,\n            lastinitial,\n            pagenumber: pageNumber,\n            pagesize: pageSize,\n            hiddencolumns: hiddenColumns,\n            resetpreferences: resetPreferences\n        },\n    }])[0];\n};\n"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../../../src/local/dynamic/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle calendar ajax actions.\n *\n * @module     core_calendar/repository\n * @class      repository\n * @package    core_calendar\n * @copyright  2017 Simey Lameze <lameze@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport {call as fetchMany} from 'core/ajax';\n\n/**\n * Fetch table view.\n *\n * @method fetch\n * @param {String} component The component\n * @param {String} handler The name of the handler\n * @param {String} uniqueid The unique id of the table\n * @param {Object} options The options to use when updating the table\n * @param {Array} options.sortData The list of columns to sort by\n * @param {Number} options.joinType The filterset join type\n * @param {Object} options.filters The filters to apply when searching\n * @param {String} options.firstinitial The first name initial to filter on\n * @param {String} options.lastinitial The last name initial to filter on\n * @param {String} options.pageNumber The page number\n * @param {Number} options.pageSize The page size\n * @param {Object} options.hiddenColumns The columns to hide\n * @param {Bool} resetPreferences\n * @return {Promise} Resolved with requested table view\n */\nexport const fetch = (component, handler, uniqueid, {\n        sortData = [],\n        joinType = null,\n        filters = {},\n        firstinitial = null,\n        lastinitial = null,\n        pageNumber = null,\n        pageSize = null,\n        hiddenColumns = {}\n    } = {}, resetPreferences = false) => {\n    return fetchMany([{\n        methodname: `core_table_get_dynamic_table_content`,\n        args: {\n            component,\n            handler,\n            uniqueid,\n            sortdata: sortData,\n            jointype: joinType,\n            filters,\n            firstinitial,\n            lastinitial,\n            pagenumber: pageNumber,\n            pagesize: pageSize,\n            hiddencolumns: hiddenColumns,\n            resetpreferences: resetPreferences\n        },\n    }])[0];\n};\n"],"names":["component","handler","uniqueid","sortData","joinType","filters","firstinitial","lastinitial","pageNumber","pageSize","hiddenColumns","resetPreferences","methodname","args","sortdata","jointype","pagenumber","pagesize","hiddencolumns","resetpreferences"],"mappings":"4LA6CqB,SAACA,UAAWC,QAASC,0EASlC,sBARAC,SAAAA,gCAAW,oCACXC,SAAAA,gCAAW,qCACXC,QAAAA,8BAAU,uCACVC,aAAAA,wCAAe,6CACfC,YAAAA,sCAAc,2CACdC,WAAAA,oCAAa,wCACbC,SAAAA,gCAAW,2CACXC,cAAAA,0CAAgB,sBACZC,gFACD,cAAU,CAAC,CACdC,kDACAC,KAAM,CACFb,UAAAA,UACAC,QAAAA,QACAC,SAAAA,SACAY,SAAUX,SACVY,SAAUX,SACVC,QAAAA,QACAC,aAAAA,aACAC,YAAAA,YACAS,WAAYR,WACZS,SAAUR,SACVS,cAAeR,cACfS,iBAAkBR,qBAEtB"}
\ No newline at end of file
diff --git a/lib/table/amd/build/local/dynamic/selectors.min.js b/lib/table/amd/build/local/dynamic/selectors.min.js
index d250c63efff..2c6e5ef4e2d 100644
--- a/lib/table/amd/build/local/dynamic/selectors.min.js
+++ b/lib/table/amd/build/local/dynamic/selectors.min.js
@@ -1,2 +1,3 @@
-define ("core_table/local/dynamic/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;a.default={main:{region:"[data-region=\"core_table/dynamic\"]",fromRegionId:function fromRegionId(a){return"[data-region=\"core_table/dynamic\"][data-table-uniqueid=\"".concat(a,"\"]")}},table:{links:{sortableColumn:"a[data-sortable=\"1\"]",hide:"a[data-action=\"hide\"]",show:"a[data-action=\"show\"]"}},initialsBar:{links:{firstInitial:".firstinitial [data-initial]",lastInitial:".lastinitial [data-initial]"}},paginationBar:{links:{pageItem:".pagination [data-page-number]"}}};return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("core_table/local/dynamic/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;return _exports.default={main:{region:'[data-region="core_table/dynamic"]',fromRegionId:function(regionId){return'[data-region="core_table/dynamic"][data-table-uniqueid="'.concat(regionId,'"]')}},table:{links:{sortableColumn:'a[data-sortable="1"]',hide:'a[data-action="hide"]',show:'a[data-action="show"]'}},initialsBar:{links:{firstInitial:".firstinitial [data-initial]",lastInitial:".lastinitial [data-initial]"}},paginationBar:{links:{pageItem:".pagination [data-page-number]"}}},_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/lib/table/amd/build/local/dynamic/selectors.min.js.map b/lib/table/amd/build/local/dynamic/selectors.min.js.map
index 4e7d1022b19..4a94666d357 100644
--- a/lib/table/amd/build/local/dynamic/selectors.min.js.map
+++ b/lib/table/amd/build/local/dynamic/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/local/dynamic/selectors.js"],"names":["main","region","fromRegionId","regionId","table","links","sortableColumn","hide","show","initialsBar","firstInitial","lastInitial","paginationBar","pageItem"],"mappings":"8JAuBe,CACXA,IAAI,CAAE,CACFC,MAAM,CAAE,sCADN,CAEFC,YAAY,CAAE,sBAAAC,CAAQ,6EAA+DA,CAA/D,QAFpB,CADK,CAKXC,KAAK,CAAE,CACHC,KAAK,CAAE,CACHC,cAAc,CAAE,wBADb,CAEHC,IAAI,CAAE,yBAFH,CAGHC,IAAI,CAAE,yBAHH,CADJ,CALI,CAYXC,WAAW,CAAE,CACTJ,KAAK,CAAE,CACHK,YAAY,CAAE,8BADX,CAEHC,WAAW,CAAE,6BAFV,CADE,CAZF,CAkBXC,aAAa,CAAE,CACXP,KAAK,CAAE,CACHQ,QAAQ,CAAE,gCADP,CADI,CAlBJ,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Dynamic table selectors.\n *\n * @module     core_table/selectors\n * @package    core_table\n * @copyright  2020 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default {\n    main: {\n        region: '[data-region=\"core_table/dynamic\"]',\n        fromRegionId: regionId => `[data-region=\"core_table/dynamic\"][data-table-uniqueid=\"${regionId}\"]`,\n    },\n    table: {\n        links: {\n            sortableColumn: 'a[data-sortable=\"1\"]',\n            hide: 'a[data-action=\"hide\"]',\n            show: 'a[data-action=\"show\"]',\n        },\n    },\n    initialsBar: {\n        links: {\n            firstInitial: '.firstinitial [data-initial]',\n            lastInitial: '.lastinitial [data-initial]',\n        },\n    },\n    paginationBar: {\n        links: {\n            pageItem: '.pagination [data-page-number]'\n        }\n    },\n};\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../../../src/local/dynamic/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Dynamic table selectors.\n *\n * @module     core_table/selectors\n * @package    core_table\n * @copyright  2020 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default {\n    main: {\n        region: '[data-region=\"core_table/dynamic\"]',\n        fromRegionId: regionId => `[data-region=\"core_table/dynamic\"][data-table-uniqueid=\"${regionId}\"]`,\n    },\n    table: {\n        links: {\n            sortableColumn: 'a[data-sortable=\"1\"]',\n            hide: 'a[data-action=\"hide\"]',\n            show: 'a[data-action=\"show\"]',\n        },\n    },\n    initialsBar: {\n        links: {\n            firstInitial: '.firstinitial [data-initial]',\n            lastInitial: '.lastinitial [data-initial]',\n        },\n    },\n    paginationBar: {\n        links: {\n            pageItem: '.pagination [data-page-number]'\n        }\n    },\n};\n"],"names":["main","region","fromRegionId","regionId","table","links","sortableColumn","hide","show","initialsBar","firstInitial","lastInitial","paginationBar","pageItem"],"mappings":"oLAuBe,CACXA,KAAM,CACFC,OAAQ,qCACRC,aAAc,SAAAC,kFAAuEA,iBAEzFC,MAAO,CACHC,MAAO,CACHC,eAAgB,uBAChBC,KAAM,wBACNC,KAAM,0BAGdC,YAAa,CACTJ,MAAO,CACHK,aAAc,+BACdC,YAAa,gCAGrBC,cAAe,CACXP,MAAO,CACHQ,SAAU"}
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/Youtube-lazy.min.js b/media/player/videojs/amd/build/Youtube-lazy.min.js
index 75f2d8ece1e..07612fb036c 100644
--- a/media/player/videojs/amd/build/Youtube-lazy.min.js
+++ b/media/player/videojs/amd/build/Youtube-lazy.min.js
@@ -1,2 +1,3 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}(function(a,b){if("object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module){var c=require("video.js");module.exports=b(c.default||c)}else if("function"==typeof define&&define.amd){define ("media_videojs/Youtube-lazy",["media_videojs/video-lazy"],function(c){return a.Youtube=b(c)})}else{a.Youtube=b(a.videojs)}})(this,function(a){"use strict";var b=a.browser.IS_IOS||a.browser.IS_NATIVE_ANDROID,c=a.getTech("Tech"),d=a.extend(c,{constructor:function constructor(a,e){c.call(this,a,e);this.setPoster(a.poster);this.setSrc(this.options_.source,!0);this.setTimeout(function(){if(this.el_){this.el_.parentNode.className+=" vjs-youtube";if(b){this.el_.parentNode.className+=" vjs-youtube-mobile"}if(d.isApiReady){this.initYTPlayer()}else{d.apiReadyQueue.push(this)}}}.bind(this))},dispose:function dispose(){if(this.ytPlayer){if(this.ytPlayer.stopVideo){this.ytPlayer.stopVideo()}if(this.ytPlayer.destroy){this.ytPlayer.destroy()}}else{var a=d.apiReadyQueue.indexOf(this);if(-1!==a){d.apiReadyQueue.splice(a,1)}}this.ytPlayer=null;this.el_.parentNode.className=this.el_.parentNode.className.replace(" vjs-youtube","").replace(" vjs-youtube-mobile","");this.el_.parentNode.removeChild(this.el_);c.prototype.dispose.call(this)},createEl:function createEl(){var a=document.createElement("div");a.setAttribute("id",this.options_.techId);a.setAttribute("style","width:100%;height:100%;top:0;left:0;position:absolute");a.setAttribute("class","vjs-tech");var c=document.createElement("div");c.appendChild(a);if(!b&&!this.options_.ytControls){var d=document.createElement("div");d.setAttribute("class","vjs-iframe-blocker");d.setAttribute("style","position:absolute;top:0;left:0;width:100%;height:100%");d.onclick=function(){this.pause()}.bind(this);c.appendChild(d)}return c},initYTPlayer:function initYTPlayer(){var a={controls:0,modestbranding:1,rel:0,showinfo:0,loop:this.options_.loop?1:0};if("undefined"!=typeof this.options_.autohide){a.autohide=this.options_.autohide}if("undefined"!=typeof this.options_.cc_load_policy){a.cc_load_policy=this.options_.cc_load_policy}if("undefined"!=typeof this.options_.ytControls){a.controls=this.options_.ytControls}if("undefined"!=typeof this.options_.disablekb){a.disablekb=this.options_.disablekb}if("undefined"!=typeof this.options_.color){a.color=this.options_.color}if(!a.controls){a.fs=0}else if("undefined"!=typeof this.options_.fs){a.fs=this.options_.fs}if(-1!==this.options_.source.src.indexOf("end=")){var b=this.options_.source.src.match(/end=([0-9]*)/);this.options_.end=parseInt(b[1])}if("undefined"!=typeof this.options_.end){a.end=this.options_.end}if("undefined"!=typeof this.options_.hl){a.hl=this.options_.hl}else if("undefined"!=typeof this.options_.language){a.hl=this.options_.language.substr(0,2)}if("undefined"!=typeof this.options_.iv_load_policy){a.iv_load_policy=this.options_.iv_load_policy}if("undefined"!=typeof this.options_.list){a.list=this.options_.list}else if(this.url&&"undefined"!=typeof this.url.listId){a.list=this.url.listId}if("undefined"!=typeof this.options_.listType){a.listType=this.options_.listType}if("undefined"!=typeof this.options_.modestbranding){a.modestbranding=this.options_.modestbranding}if("undefined"!=typeof this.options_.playlist){a.playlist=this.options_.playlist}if("undefined"!=typeof this.options_.playsinline){a.playsinline=this.options_.playsinline}if("undefined"!=typeof this.options_.rel){a.rel=this.options_.rel}if("undefined"!=typeof this.options_.showinfo){a.showinfo=this.options_.showinfo}if(-1!==this.options_.source.src.indexOf("start=")){var c=this.options_.source.src.match(/start=([0-9]*)/);this.options_.start=parseInt(c[1])}if("undefined"!=typeof this.options_.start){a.start=this.options_.start}if("undefined"!=typeof this.options_.theme){a.theme=this.options_.theme}if("undefined"!=typeof this.options_.customVars){var d=this.options_.customVars;Object.keys(d).forEach(function(b){a[b]=d[b]})}this.activeVideoId=this.url?this.url.videoId:null;this.activeList=a.list;var e={videoId:this.activeVideoId,playerVars:a,events:{onReady:this.onPlayerReady.bind(this),onPlaybackQualityChange:this.onPlayerPlaybackQualityChange.bind(this),onPlaybackRateChange:this.onPlayerPlaybackRateChange.bind(this),onStateChange:this.onPlayerStateChange.bind(this),onVolumeChange:this.onPlayerVolumeChange.bind(this),onError:this.onPlayerError.bind(this)}};if("undefined"!=typeof this.options_.enablePrivacyEnhancedMode&&this.options_.enablePrivacyEnhancedMode){e.host="https://www.youtube-nocookie.com"}this.ytPlayer=new YT.Player(this.options_.techId,e)},onPlayerReady:function onPlayerReady(){if(this.options_.muted){this.ytPlayer.mute()}var a=this.ytPlayer.getAvailablePlaybackRates();if(1<a.length){this.featuresPlaybackRate=!0}this.playerReady_=!0;this.triggerReady();if(this.playOnReady){this.play()}else if(this.cueOnReady){this.cueVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}},onPlayerPlaybackQualityChange:function onPlayerPlaybackQualityChange(){},onPlayerPlaybackRateChange:function onPlayerPlaybackRateChange(){this.trigger("ratechange")},onPlayerStateChange:function onPlayerStateChange(a){var b=a.data;if(b===this.lastState||this.errorNumber){return}this.lastState=b;switch(b){case-1:this.trigger("loadstart");this.trigger("loadedmetadata");this.trigger("durationchange");this.trigger("ratechange");break;case YT.PlayerState.ENDED:this.trigger("ended");break;case YT.PlayerState.PLAYING:this.trigger("timeupdate");this.trigger("durationchange");this.trigger("playing");this.trigger("play");if(this.isSeeking){this.onSeeked()}break;case YT.PlayerState.PAUSED:this.trigger("canplay");if(this.isSeeking){this.onSeeked()}else{this.trigger("pause")}break;case YT.PlayerState.BUFFERING:this.player_.trigger("timeupdate");this.player_.trigger("waiting");break;}},onPlayerVolumeChange:function onPlayerVolumeChange(){this.trigger("volumechange")},onPlayerError:function onPlayerError(a){this.errorNumber=a.data;this.trigger("pause");this.trigger("error")},error:function error(){var a=1e3+this.errorNumber;switch(this.errorNumber){case 5:return{code:a,message:"Error while trying to play the video"};case 2:case 100:return{code:a,message:"Unable to find the video"};case 101:case 150:return{code:a,message:"Playback on other Websites has been disabled by the video owner."};}return{code:a,message:"YouTube unknown error ("+this.errorNumber+")"}},loadVideoById_:function loadVideoById_(a){var b={videoId:a};if(this.options_.start){b.startSeconds=this.options_.start}if(this.options_.end){b.endSeconds=this.options_.end}this.ytPlayer.loadVideoById(b)},cueVideoById_:function cueVideoById_(a){var b={videoId:a};if(this.options_.start){b.startSeconds=this.options_.start}if(this.options_.end){b.endSeconds=this.options_.end}this.ytPlayer.cueVideoById(b)},src:function src(a){if(a){this.setSrc({src:a})}return this.source},poster:function poster(){if(b){return null}return this.poster_},setPoster:function setPoster(a){this.poster_=a},setSrc:function setSrc(a){if(!a||!a.src){return}delete this.errorNumber;this.source=a;this.url=d.parseUrl(a.src);if(!this.options_.poster){if(this.url.videoId){this.poster_="https://img.youtube.com/vi/"+this.url.videoId+"/0.jpg";this.trigger("posterchange");this.checkHighResPoster()}}if(this.options_.autoplay&&!b){if(this.isReady_){this.play()}else{this.playOnReady=!0}}else if(this.activeVideoId!==this.url.videoId){if(this.isReady_){this.cueVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}else{this.cueOnReady=!0}}},autoplay:function autoplay(){return this.options_.autoplay},setAutoplay:function setAutoplay(a){this.options_.autoplay=a},loop:function loop(){return this.options_.loop},setLoop:function setLoop(a){this.options_.loop=a},play:function play(){if(!this.url||!this.url.videoId){return}this.wasPausedBeforeSeek=!1;if(this.isReady_){if(this.url.listId){if(this.activeList===this.url.listId){this.ytPlayer.playVideo()}else{this.ytPlayer.loadPlaylist(this.url.listId);this.activeList=this.url.listId}}if(this.activeVideoId===this.url.videoId){this.ytPlayer.playVideo()}else{this.loadVideoById_(this.url.videoId);this.activeVideoId=this.url.videoId}}else{this.trigger("waiting");this.playOnReady=!0}},pause:function pause(){if(this.ytPlayer){this.ytPlayer.pauseVideo()}},paused:function paused(){return this.ytPlayer?this.lastState!==YT.PlayerState.PLAYING&&this.lastState!==YT.PlayerState.BUFFERING:!0},currentTime:function currentTime(){return this.ytPlayer?this.ytPlayer.getCurrentTime():0},setCurrentTime:function setCurrentTime(a){if(this.lastState===YT.PlayerState.PAUSED){this.timeBeforeSeek=this.currentTime()}if(!this.isSeeking){this.wasPausedBeforeSeek=this.paused()}this.ytPlayer.seekTo(a,!0);this.trigger("timeupdate");this.trigger("seeking");this.isSeeking=!0;if(this.lastState===YT.PlayerState.PAUSED&&this.timeBeforeSeek!==a){clearInterval(this.checkSeekedInPauseInterval);this.checkSeekedInPauseInterval=setInterval(function(){if(this.lastState!==YT.PlayerState.PAUSED||!this.isSeeking){clearInterval(this.checkSeekedInPauseInterval)}else if(this.currentTime()!==this.timeBeforeSeek){this.trigger("timeupdate");this.onSeeked()}}.bind(this),250)}},seeking:function seeking(){return this.isSeeking},seekable:function seekable(){if(!this.ytPlayer){return a.createTimeRange()}return a.createTimeRange(0,this.ytPlayer.getDuration())},onSeeked:function onSeeked(){clearInterval(this.checkSeekedInPauseInterval);this.isSeeking=!1;if(this.wasPausedBeforeSeek){this.pause()}this.trigger("seeked")},playbackRate:function playbackRate(){return this.ytPlayer?this.ytPlayer.getPlaybackRate():1},setPlaybackRate:function setPlaybackRate(a){if(!this.ytPlayer){return}this.ytPlayer.setPlaybackRate(a)},duration:function duration(){return this.ytPlayer?this.ytPlayer.getDuration():0},currentSrc:function currentSrc(){return this.source&&this.source.src},ended:function ended(){return this.ytPlayer?this.lastState===YT.PlayerState.ENDED:!1},volume:function volume(){return this.ytPlayer?this.ytPlayer.getVolume()/100:1},setVolume:function setVolume(a){if(!this.ytPlayer){return}this.ytPlayer.setVolume(100*a)},muted:function muted(){return this.ytPlayer?this.ytPlayer.isMuted():!1},setMuted:function setMuted(a){if(!this.ytPlayer){return}else{this.muted(!0)}if(a){this.ytPlayer.mute()}else{this.ytPlayer.unMute()}this.setTimeout(function(){this.trigger("volumechange")},50)},buffered:function buffered(){if(!this.ytPlayer||!this.ytPlayer.getVideoLoadedFraction){return a.createTimeRange()}var b=this.ytPlayer.getVideoLoadedFraction()*this.ytPlayer.getDuration();return a.createTimeRange(0,b)},preload:function preload(){},load:function load(){},reset:function reset(){},networkState:function networkState(){if(!this.ytPlayer){return 0}switch(this.ytPlayer.getPlayerState()){case-1:return 0;case 3:return 2;default:return 1;}},readyState:function readyState(){if(!this.ytPlayer){return 0}switch(this.ytPlayer.getPlayerState()){case-1:return 0;case 5:return 1;case 3:return 2;default:return 4;}},supportsFullScreen:function supportsFullScreen(){return document.fullscreenEnabled||document.webkitFullscreenEnabled||document.mozFullScreenEnabled||document.msFullscreenEnabled},checkHighResPoster:function checkHighResPoster(){var a="https://img.youtube.com/vi/"+this.url.videoId+"/maxresdefault.jpg";try{var b=new Image;b.onload=function(){if("naturalHeight"in b){if(90>=b.naturalHeight||120>=b.naturalWidth){return}}else if(90>=b.height||120>=b.width){return}this.poster_=a;this.trigger("posterchange")}.bind(this);b.onerror=function(){};b.src=a}catch(a){}}});d.isSupported=function(){return!0};d.canPlaySource=function(a){return d.canPlayType(a.type)};d.canPlayType=function(a){return"video/youtube"===a};d.parseUrl=function(a){var b={videoId:null},c=a.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);if(c&&11===c[2].length){b.videoId=c[2]}c=a.match(/[?&]list=([^#\&\?]+)/);if(c&&c[1]){b.listId=c[1]}return b};function e(){YT.ready(function(){d.isApiReady=!0;for(var a=0;a<d.apiReadyQueue.length;++a){d.apiReadyQueue[a].initYTPlayer()}})}function f(a,b){var c=!1,d=document.createElement("script"),e=document.getElementsByTagName("script")[0];if(!e){return}e.parentNode.insertBefore(d,e);d.onload=function(){if(!c){c=!0;b()}};d.onreadystatechange=function(){if(!c&&("complete"===this.readyState||"loaded"===this.readyState)){c=!0;b()}};d.src=a}function g(){var a=document.head||document.getElementsByTagName("head")[0],b=document.createElement("style");b.type="text/css";if(b.styleSheet){b.styleSheet.cssText=".vjs-youtube .vjs-iframe-blocker { display: none; }.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }.vjs-youtube .vjs-poster { background-size: cover; }.vjs-youtube-mobile .vjs-big-play-button { display: none; }"}else{b.appendChild(document.createTextNode(".vjs-youtube .vjs-iframe-blocker { display: none; }.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }.vjs-youtube .vjs-poster { background-size: cover; }.vjs-youtube-mobile .vjs-big-play-button { display: none; }"))}a.appendChild(b)}d.apiReadyQueue=[];if("undefined"!=typeof document){f("https://www.youtube.com/iframe_api",e);g()}if("undefined"!=typeof a.registerTech){a.registerTech("Youtube",d)}else{a.registerComponent("Youtube",d)}});
-//# sourceMappingURL=Youtube-lazy.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}!function(root,factory){if("object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module){var videojs=require("video.js");module.exports=factory(videojs.default||videojs)}else"function"==typeof define&&define.amd?define("media_videojs/Youtube-lazy",["media_videojs/video-lazy"],(function(videojs){return root.Youtube=factory(videojs)})):root.Youtube=factory(root.videojs)}(window,(function(videojs){var css,head,style,src,callback,loaded,tag,firstScriptTag,_isOnMobile=videojs.browser.IS_IOS||videojs.browser.IS_NATIVE_ANDROID,Tech=videojs.getTech("Tech"),Youtube=videojs.extend(Tech,{constructor:function(options,ready){Tech.call(this,options,ready),this.setPoster(options.poster),this.setSrc(this.options_.source,!0),this.setTimeout(function(){this.el_&&(this.el_.parentNode.className+=" vjs-youtube",_isOnMobile&&(this.el_.parentNode.className+=" vjs-youtube-mobile"),Youtube.isApiReady?this.initYTPlayer():Youtube.apiReadyQueue.push(this))}.bind(this))},dispose:function(){if(this.ytPlayer)this.ytPlayer.stopVideo&&this.ytPlayer.stopVideo(),this.ytPlayer.destroy&&this.ytPlayer.destroy();else{var index=Youtube.apiReadyQueue.indexOf(this);-1!==index&&Youtube.apiReadyQueue.splice(index,1)}this.ytPlayer=null,this.el_.parentNode.className=this.el_.parentNode.className.replace(" vjs-youtube","").replace(" vjs-youtube-mobile",""),this.el_.parentNode.removeChild(this.el_),Tech.prototype.dispose.call(this)},createEl:function(){var div=document.createElement("div");div.setAttribute("id",this.options_.techId),div.setAttribute("style","width:100%;height:100%;top:0;left:0;position:absolute"),div.setAttribute("class","vjs-tech");var divWrapper=document.createElement("div");if(divWrapper.appendChild(div),!_isOnMobile&&!this.options_.ytControls){var divBlocker=document.createElement("div");divBlocker.setAttribute("class","vjs-iframe-blocker"),divBlocker.setAttribute("style","position:absolute;top:0;left:0;width:100%;height:100%"),divBlocker.onclick=function(){this.pause()}.bind(this),divWrapper.appendChild(divBlocker)}return divWrapper},initYTPlayer:function(){var playerVars={controls:0,modestbranding:1,rel:0,showinfo:0,loop:this.options_.loop?1:0};if(void 0!==this.options_.autohide&&(playerVars.autohide=this.options_.autohide),void 0!==this.options_.cc_load_policy&&(playerVars.cc_load_policy=this.options_.cc_load_policy),void 0!==this.options_.ytControls&&(playerVars.controls=this.options_.ytControls),void 0!==this.options_.disablekb&&(playerVars.disablekb=this.options_.disablekb),void 0!==this.options_.color&&(playerVars.color=this.options_.color),playerVars.controls?void 0!==this.options_.fs&&(playerVars.fs=this.options_.fs):playerVars.fs=0,-1!==this.options_.source.src.indexOf("end=")){var srcEndTime=this.options_.source.src.match(/end=([0-9]*)/);this.options_.end=parseInt(srcEndTime[1])}if(void 0!==this.options_.end&&(playerVars.end=this.options_.end),void 0!==this.options_.hl?playerVars.hl=this.options_.hl:void 0!==this.options_.language&&(playerVars.hl=this.options_.language.substr(0,2)),void 0!==this.options_.iv_load_policy&&(playerVars.iv_load_policy=this.options_.iv_load_policy),void 0!==this.options_.list?playerVars.list=this.options_.list:this.url&&void 0!==this.url.listId&&(playerVars.list=this.url.listId),void 0!==this.options_.listType&&(playerVars.listType=this.options_.listType),void 0!==this.options_.modestbranding&&(playerVars.modestbranding=this.options_.modestbranding),void 0!==this.options_.playlist&&(playerVars.playlist=this.options_.playlist),void 0!==this.options_.playsinline&&(playerVars.playsinline=this.options_.playsinline),void 0!==this.options_.rel&&(playerVars.rel=this.options_.rel),void 0!==this.options_.showinfo&&(playerVars.showinfo=this.options_.showinfo),-1!==this.options_.source.src.indexOf("start=")){var srcStartTime=this.options_.source.src.match(/start=([0-9]*)/);this.options_.start=parseInt(srcStartTime[1])}if(void 0!==this.options_.start&&(playerVars.start=this.options_.start),void 0!==this.options_.theme&&(playerVars.theme=this.options_.theme),void 0!==this.options_.customVars){var customVars=this.options_.customVars;Object.keys(customVars).forEach((function(key){playerVars[key]=customVars[key]}))}this.activeVideoId=this.url?this.url.videoId:null,this.activeList=playerVars.list;var playerConfig={videoId:this.activeVideoId,playerVars:playerVars,events:{onReady:this.onPlayerReady.bind(this),onPlaybackQualityChange:this.onPlayerPlaybackQualityChange.bind(this),onPlaybackRateChange:this.onPlayerPlaybackRateChange.bind(this),onStateChange:this.onPlayerStateChange.bind(this),onVolumeChange:this.onPlayerVolumeChange.bind(this),onError:this.onPlayerError.bind(this)}};void 0!==this.options_.enablePrivacyEnhancedMode&&this.options_.enablePrivacyEnhancedMode&&(playerConfig.host="https://www.youtube-nocookie.com"),this.ytPlayer=new YT.Player(this.options_.techId,playerConfig)},onPlayerReady:function(){this.options_.muted&&this.ytPlayer.mute(),this.ytPlayer.getAvailablePlaybackRates().length>1&&(this.featuresPlaybackRate=!0),this.playerReady_=!0,this.triggerReady(),this.playOnReady?this.play():this.cueOnReady&&(this.cueVideoById_(this.url.videoId),this.activeVideoId=this.url.videoId)},onPlayerPlaybackQualityChange:function(){},onPlayerPlaybackRateChange:function(){this.trigger("ratechange")},onPlayerStateChange:function(e){var state=e.data;if(state!==this.lastState&&!this.errorNumber)switch(this.lastState=state,state){case-1:this.trigger("loadstart"),this.trigger("loadedmetadata"),this.trigger("durationchange"),this.trigger("ratechange");break;case YT.PlayerState.ENDED:this.trigger("ended");break;case YT.PlayerState.PLAYING:this.trigger("timeupdate"),this.trigger("durationchange"),this.trigger("playing"),this.trigger("play"),this.isSeeking&&this.onSeeked();break;case YT.PlayerState.PAUSED:this.trigger("canplay"),this.isSeeking?this.onSeeked():this.trigger("pause");break;case YT.PlayerState.BUFFERING:this.player_.trigger("timeupdate"),this.player_.trigger("waiting")}},onPlayerVolumeChange:function(){this.trigger("volumechange")},onPlayerError:function(e){this.errorNumber=e.data,this.trigger("pause"),this.trigger("error")},error:function(){var code=1e3+this.errorNumber;switch(this.errorNumber){case 5:return{code:code,message:"Error while trying to play the video"};case 2:case 100:return{code:code,message:"Unable to find the video"};case 101:case 150:return{code:code,message:"Playback on other Websites has been disabled by the video owner."}}return{code:code,message:"YouTube unknown error ("+this.errorNumber+")"}},loadVideoById_:function(id){var options={videoId:id};this.options_.start&&(options.startSeconds=this.options_.start),this.options_.end&&(options.endSeconds=this.options_.end),this.ytPlayer.loadVideoById(options)},cueVideoById_:function(id){var options={videoId:id};this.options_.start&&(options.startSeconds=this.options_.start),this.options_.end&&(options.endSeconds=this.options_.end),this.ytPlayer.cueVideoById(options)},src:function(_src){return _src&&this.setSrc({src:_src}),this.source},poster:function(){return _isOnMobile?null:this.poster_},setPoster:function(poster){this.poster_=poster},setSrc:function(source){source&&source.src&&(delete this.errorNumber,this.source=source,this.url=Youtube.parseUrl(source.src),this.options_.poster||this.url.videoId&&(this.poster_="https://img.youtube.com/vi/"+this.url.videoId+"/0.jpg",this.trigger("posterchange"),this.checkHighResPoster()),this.options_.autoplay&&!_isOnMobile?this.isReady_?this.play():this.playOnReady=!0:this.activeVideoId!==this.url.videoId&&(this.isReady_?(this.cueVideoById_(this.url.videoId),this.activeVideoId=this.url.videoId):this.cueOnReady=!0))},autoplay:function(){return this.options_.autoplay},setAutoplay:function(val){this.options_.autoplay=val},loop:function(){return this.options_.loop},setLoop:function(val){this.options_.loop=val},play:function(){this.url&&this.url.videoId&&(this.wasPausedBeforeSeek=!1,this.isReady_?(this.url.listId&&(this.activeList===this.url.listId?this.ytPlayer.playVideo():(this.ytPlayer.loadPlaylist(this.url.listId),this.activeList=this.url.listId)),this.activeVideoId===this.url.videoId?this.ytPlayer.playVideo():(this.loadVideoById_(this.url.videoId),this.activeVideoId=this.url.videoId)):(this.trigger("waiting"),this.playOnReady=!0))},pause:function(){this.ytPlayer&&this.ytPlayer.pauseVideo()},paused:function(){return!this.ytPlayer||this.lastState!==YT.PlayerState.PLAYING&&this.lastState!==YT.PlayerState.BUFFERING},currentTime:function(){return this.ytPlayer?this.ytPlayer.getCurrentTime():0},setCurrentTime:function(seconds){this.lastState===YT.PlayerState.PAUSED&&(this.timeBeforeSeek=this.currentTime()),this.isSeeking||(this.wasPausedBeforeSeek=this.paused()),this.ytPlayer.seekTo(seconds,!0),this.trigger("timeupdate"),this.trigger("seeking"),this.isSeeking=!0,this.lastState===YT.PlayerState.PAUSED&&this.timeBeforeSeek!==seconds&&(clearInterval(this.checkSeekedInPauseInterval),this.checkSeekedInPauseInterval=setInterval(function(){this.lastState===YT.PlayerState.PAUSED&&this.isSeeking?this.currentTime()!==this.timeBeforeSeek&&(this.trigger("timeupdate"),this.onSeeked()):clearInterval(this.checkSeekedInPauseInterval)}.bind(this),250))},seeking:function(){return this.isSeeking},seekable:function(){return this.ytPlayer?videojs.createTimeRange(0,this.ytPlayer.getDuration()):videojs.createTimeRange()},onSeeked:function(){clearInterval(this.checkSeekedInPauseInterval),this.isSeeking=!1,this.wasPausedBeforeSeek&&this.pause(),this.trigger("seeked")},playbackRate:function(){return this.ytPlayer?this.ytPlayer.getPlaybackRate():1},setPlaybackRate:function(suggestedRate){this.ytPlayer&&this.ytPlayer.setPlaybackRate(suggestedRate)},duration:function(){return this.ytPlayer?this.ytPlayer.getDuration():0},currentSrc:function(){return this.source&&this.source.src},ended:function(){return!!this.ytPlayer&&this.lastState===YT.PlayerState.ENDED},volume:function(){return this.ytPlayer?this.ytPlayer.getVolume()/100:1},setVolume:function(percentAsDecimal){this.ytPlayer&&this.ytPlayer.setVolume(100*percentAsDecimal)},muted:function(){return!!this.ytPlayer&&this.ytPlayer.isMuted()},setMuted:function(mute){this.ytPlayer&&(this.muted(!0),mute?this.ytPlayer.mute():this.ytPlayer.unMute(),this.setTimeout((function(){this.trigger("volumechange")}),50))},buffered:function(){if(!this.ytPlayer||!this.ytPlayer.getVideoLoadedFraction)return videojs.createTimeRange();var bufferedEnd=this.ytPlayer.getVideoLoadedFraction()*this.ytPlayer.getDuration();return videojs.createTimeRange(0,bufferedEnd)},preload:function(){},load:function(){},reset:function(){},networkState:function(){if(!this.ytPlayer)return 0;switch(this.ytPlayer.getPlayerState()){case-1:return 0;case 3:return 2;default:return 1}},readyState:function(){if(!this.ytPlayer)return 0;switch(this.ytPlayer.getPlayerState()){case-1:return 0;case 5:return 1;case 3:return 2;default:return 4}},supportsFullScreen:function(){return document.fullscreenEnabled||document.webkitFullscreenEnabled||document.mozFullScreenEnabled||document.msFullscreenEnabled},checkHighResPoster:function(){var uri="https://img.youtube.com/vi/"+this.url.videoId+"/maxresdefault.jpg";try{var image=new Image;image.onload=function(){if("naturalHeight"in image){if(image.naturalHeight<=90||image.naturalWidth<=120)return}else if(image.height<=90||image.width<=120)return;this.poster_=uri,this.trigger("posterchange")}.bind(this),image.onerror=function(){},image.src=uri}catch(e){}}});Youtube.isSupported=function(){return!0},Youtube.canPlaySource=function(e){return Youtube.canPlayType(e.type)},Youtube.canPlayType=function(e){return"video/youtube"===e},Youtube.parseUrl=function(url){var result={videoId:null},match=url.match(/^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=)([^#\&\?]*).*/);match&&11===match[2].length&&(result.videoId=match[2]);return(match=url.match(/[?&]list=([^#\&\?]+)/))&&match[1]&&(result.listId=match[1]),result},Youtube.apiReadyQueue=[],"undefined"!=typeof document&&(src="https://www.youtube.com/iframe_api",callback=function(){YT.ready((function(){Youtube.isApiReady=!0;for(var i=0;i<Youtube.apiReadyQueue.length;++i)Youtube.apiReadyQueue[i].initYTPlayer()}))},loaded=!1,tag=document.createElement("script"),(firstScriptTag=document.getElementsByTagName("script")[0])&&(firstScriptTag.parentNode.insertBefore(tag,firstScriptTag),tag.onload=function(){loaded||(loaded=!0,callback())},tag.onreadystatechange=function(){loaded||"complete"!==this.readyState&&"loaded"!==this.readyState||(loaded=!0,callback())},tag.src=src),css=".vjs-youtube .vjs-iframe-blocker { display: none; }.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }.vjs-youtube .vjs-poster { background-size: cover; }.vjs-youtube-mobile .vjs-big-play-button { display: none; }",head=document.head||document.getElementsByTagName("head")[0],(style=document.createElement("style")).type="text/css",style.styleSheet?style.styleSheet.cssText=css:style.appendChild(document.createTextNode(css)),head.appendChild(style)),void 0!==videojs.registerTech?videojs.registerTech("Youtube",Youtube):videojs.registerComponent("Youtube",Youtube)}));
+
+//# sourceMappingURL=Youtube-lazy.min.js.map
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/Youtube-lazy.min.js.map b/media/player/videojs/amd/build/Youtube-lazy.min.js.map
index 5906c0f807f..631e2400cf3 100644
--- a/media/player/videojs/amd/build/Youtube-lazy.min.js.map
+++ b/media/player/videojs/amd/build/Youtube-lazy.min.js.map
@@ -1 +1 @@
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The MIT License (MIT)\n\nCopyright (c) 2014-2015 Benoit Tremblay <trembl.ben@gmail.com>\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE. */\n/*global define, YT*/\n(function (root, factory) {\n  if(typeof exports==='object' && typeof module!=='undefined') {\n    var videojs = require('video.js');\n    module.exports = factory(videojs.default || videojs);\n  } else if(typeof define === 'function' && define.amd) {\n    define(['media_videojs/video-lazy'], function(videojs){\n      return (root.Youtube = factory(videojs));\n    });\n  } else {\n    root.Youtube = factory(root.videojs);\n  }\n}(this, function(videojs) {\n  'use strict';\n\n  var _isOnMobile = videojs.browser.IS_IOS || videojs.browser.IS_NATIVE_ANDROID;\n  var Tech = videojs.getTech('Tech');\n\n  var Youtube = videojs.extend(Tech, {\n\n    constructor: function(options, ready) {\n      Tech.call(this, options, ready);\n\n      this.setPoster(options.poster);\n      this.setSrc(this.options_.source, true);\n\n      // Set the vjs-youtube class to the player\n      // Parent is not set yet so we have to wait a tick\n      this.setTimeout(function() {\n        if (this.el_) {\n          this.el_.parentNode.className += ' vjs-youtube';\n\n          if (_isOnMobile) {\n            this.el_.parentNode.className += ' vjs-youtube-mobile';\n          }\n\n          if (Youtube.isApiReady) {\n            this.initYTPlayer();\n          } else {\n            Youtube.apiReadyQueue.push(this);\n          }\n        }\n      }.bind(this));\n    },\n\n    dispose: function() {\n      if (this.ytPlayer) {\n        //Dispose of the YouTube Player\n        if (this.ytPlayer.stopVideo) {\n          this.ytPlayer.stopVideo();\n        }\n        if (this.ytPlayer.destroy) {\n          this.ytPlayer.destroy();\n        }\n      } else {\n        //YouTube API hasn't finished loading or the player is already disposed\n        var index = Youtube.apiReadyQueue.indexOf(this);\n        if (index !== -1) {\n          Youtube.apiReadyQueue.splice(index, 1);\n        }\n      }\n      this.ytPlayer = null;\n\n      this.el_.parentNode.className = this.el_.parentNode.className\n        .replace(' vjs-youtube', '')\n        .replace(' vjs-youtube-mobile', '');\n      this.el_.parentNode.removeChild(this.el_);\n\n      //Needs to be called after the YouTube player is destroyed, otherwise there will be a null reference exception\n      Tech.prototype.dispose.call(this);\n    },\n\n    createEl: function() {\n      var div = document.createElement('div');\n      div.setAttribute('id', this.options_.techId);\n      div.setAttribute('style', 'width:100%;height:100%;top:0;left:0;position:absolute');\n      div.setAttribute('class', 'vjs-tech');\n\n      var divWrapper = document.createElement('div');\n      divWrapper.appendChild(div);\n\n      if (!_isOnMobile && !this.options_.ytControls) {\n        var divBlocker = document.createElement('div');\n        divBlocker.setAttribute('class', 'vjs-iframe-blocker');\n        divBlocker.setAttribute('style', 'position:absolute;top:0;left:0;width:100%;height:100%');\n\n        // In case the blocker is still there and we want to pause\n        divBlocker.onclick = function() {\n          this.pause();\n        }.bind(this);\n\n        divWrapper.appendChild(divBlocker);\n      }\n\n      return divWrapper;\n    },\n\n    initYTPlayer: function() {\n      var playerVars = {\n        controls: 0,\n        modestbranding: 1,\n        rel: 0,\n        showinfo: 0,\n        loop: this.options_.loop ? 1 : 0\n      };\n\n      // Let the user set any YouTube parameter\n      // https://developers.google.com/youtube/player_parameters?playerVersion=HTML5#Parameters\n      // To use YouTube controls, you must use ytControls instead\n      // To use the loop or autoplay, use the video.js settings\n\n      if (typeof this.options_.autohide !== 'undefined') {\n        playerVars.autohide = this.options_.autohide;\n      }\n\n      if (typeof this.options_['cc_load_policy'] !== 'undefined') {\n        playerVars['cc_load_policy'] = this.options_['cc_load_policy'];\n      }\n\n      if (typeof this.options_.ytControls !== 'undefined') {\n        playerVars.controls = this.options_.ytControls;\n      }\n\n      if (typeof this.options_.disablekb !== 'undefined') {\n        playerVars.disablekb = this.options_.disablekb;\n      }\n\n      if (typeof this.options_.color !== 'undefined') {\n        playerVars.color = this.options_.color;\n      }\n\n      if (!playerVars.controls) {\n        // Let video.js handle the fullscreen unless it is the YouTube native controls\n        playerVars.fs = 0;\n      } else if (typeof this.options_.fs !== 'undefined') {\n        playerVars.fs = this.options_.fs;\n      }\n\n      if (this.options_.source.src.indexOf('end=') !== -1) {\n        var srcEndTime = this.options_.source.src.match(/end=([0-9]*)/);\n        this.options_.end = parseInt(srcEndTime[1]);\n      }\n\n      if (typeof this.options_.end !== 'undefined') {\n        playerVars.end = this.options_.end;\n      }\n\n      if (typeof this.options_.hl !== 'undefined') {\n        playerVars.hl = this.options_.hl;\n      } else if (typeof this.options_.language !== 'undefined') {\n        // Set the YouTube player on the same language than video.js\n        playerVars.hl = this.options_.language.substr(0, 2);\n      }\n\n      if (typeof this.options_['iv_load_policy'] !== 'undefined') {\n        playerVars['iv_load_policy'] = this.options_['iv_load_policy'];\n      }\n\n      if (typeof this.options_.list !== 'undefined') {\n        playerVars.list = this.options_.list;\n      } else if (this.url && typeof this.url.listId !== 'undefined') {\n        playerVars.list = this.url.listId;\n      }\n\n      if (typeof this.options_.listType !== 'undefined') {\n        playerVars.listType = this.options_.listType;\n      }\n\n      if (typeof this.options_.modestbranding !== 'undefined') {\n        playerVars.modestbranding = this.options_.modestbranding;\n      }\n\n      if (typeof this.options_.playlist !== 'undefined') {\n        playerVars.playlist = this.options_.playlist;\n      }\n\n      if (typeof this.options_.playsinline !== 'undefined') {\n        playerVars.playsinline = this.options_.playsinline;\n      }\n\n      if (typeof this.options_.rel !== 'undefined') {\n        playerVars.rel = this.options_.rel;\n      }\n\n      if (typeof this.options_.showinfo !== 'undefined') {\n        playerVars.showinfo = this.options_.showinfo;\n      }\n\n      if (this.options_.source.src.indexOf('start=') !== -1) {\n        var srcStartTime = this.options_.source.src.match(/start=([0-9]*)/);\n        this.options_.start = parseInt(srcStartTime[1]);\n      }\n\n      if (typeof this.options_.start !== 'undefined') {\n        playerVars.start = this.options_.start;\n      }\n\n      if (typeof this.options_.theme !== 'undefined') {\n        playerVars.theme = this.options_.theme;\n      }\n\n      // Allow undocumented options to be passed along via customVars\n      if (typeof this.options_.customVars !== 'undefined') {\n        var customVars = this.options_.customVars;\n        Object.keys(customVars).forEach(function(key) {\n          playerVars[key] = customVars[key];\n        });\n      }\n\n      this.activeVideoId = this.url ? this.url.videoId : null;\n      this.activeList = playerVars.list;\n\n      var playerConfig = {\n        videoId: this.activeVideoId,\n        playerVars: playerVars,\n        events: {\n          onReady: this.onPlayerReady.bind(this),\n          onPlaybackQualityChange: this.onPlayerPlaybackQualityChange.bind(this),\n          onPlaybackRateChange: this.onPlayerPlaybackRateChange.bind(this),\n          onStateChange: this.onPlayerStateChange.bind(this),\n          onVolumeChange: this.onPlayerVolumeChange.bind(this),\n          onError: this.onPlayerError.bind(this)\n        }\n      };\n\n      if (typeof this.options_.enablePrivacyEnhancedMode !== 'undefined' && this.options_.enablePrivacyEnhancedMode) {\n        playerConfig.host = 'https://www.youtube-nocookie.com';\n      }\n\n      this.ytPlayer = new YT.Player(this.options_.techId, playerConfig);\n    },\n\n    onPlayerReady: function() {\n      if (this.options_.muted) {\n        this.ytPlayer.mute();\n      }\n\n      var playbackRates = this.ytPlayer.getAvailablePlaybackRates();\n      if (playbackRates.length > 1) {\n        this.featuresPlaybackRate = true;\n      }\n\n      this.playerReady_ = true;\n      this.triggerReady();\n\n      if (this.playOnReady) {\n        this.play();\n      } else if (this.cueOnReady) {\n        this.cueVideoById_(this.url.videoId);\n        this.activeVideoId = this.url.videoId;\n      }\n    },\n\n    onPlayerPlaybackQualityChange: function() {\n\n    },\n\n    onPlayerPlaybackRateChange: function() {\n      this.trigger('ratechange');\n    },\n\n    onPlayerStateChange: function(e) {\n      var state = e.data;\n\n      if (state === this.lastState || this.errorNumber) {\n        return;\n      }\n\n      this.lastState = state;\n\n      switch (state) {\n        case -1:\n          this.trigger('loadstart');\n          this.trigger('loadedmetadata');\n          this.trigger('durationchange');\n          this.trigger('ratechange');\n          break;\n\n        case YT.PlayerState.ENDED:\n          this.trigger('ended');\n          break;\n\n        case YT.PlayerState.PLAYING:\n          this.trigger('timeupdate');\n          this.trigger('durationchange');\n          this.trigger('playing');\n          this.trigger('play');\n\n          if (this.isSeeking) {\n            this.onSeeked();\n          }\n          break;\n\n        case YT.PlayerState.PAUSED:\n          this.trigger('canplay');\n          if (this.isSeeking) {\n            this.onSeeked();\n          } else {\n            this.trigger('pause');\n          }\n          break;\n\n        case YT.PlayerState.BUFFERING:\n          this.player_.trigger('timeupdate');\n          this.player_.trigger('waiting');\n          break;\n      }\n    },\n\n    onPlayerVolumeChange: function() {\n      this.trigger('volumechange');\n    },\n\n    onPlayerError: function(e) {\n      this.errorNumber = e.data;\n      this.trigger('pause');\n      this.trigger('error');\n    },\n\n    error: function() {\n      var code = 1000 + this.errorNumber; // as smaller codes are reserved\n      switch (this.errorNumber) {\n        case 5:\n          return { code: code, message: 'Error while trying to play the video' };\n\n        case 2:\n        case 100:\n          return { code: code, message: 'Unable to find the video' };\n\n        case 101:\n        case 150:\n          return {\n            code: code,\n            message: 'Playback on other Websites has been disabled by the video owner.'\n          };\n      }\n\n      return { code: code, message: 'YouTube unknown error (' + this.errorNumber + ')' };\n    },\n\n    loadVideoById_: function(id) {\n      var options = {\n        videoId: id\n      };\n      if (this.options_.start) {\n        options.startSeconds = this.options_.start;\n      }\n      if (this.options_.end) {\n        options.endSeconds = this.options_.end;\n      }\n      this.ytPlayer.loadVideoById(options);\n    },\n\n    cueVideoById_: function(id) {\n      var options = {\n        videoId: id\n      };\n      if (this.options_.start) {\n        options.startSeconds = this.options_.start;\n      }\n      if (this.options_.end) {\n        options.endSeconds = this.options_.end;\n      }\n      this.ytPlayer.cueVideoById(options);\n    },\n\n    src: function(src) {\n      if (src) {\n        this.setSrc({ src: src });\n      }\n\n      return this.source;\n    },\n\n    poster: function() {\n      // You can't start programmaticlly a video with a mobile\n      // through the iframe so we hide the poster and the play button (with CSS)\n      if (_isOnMobile) {\n        return null;\n      }\n\n      return this.poster_;\n    },\n\n    setPoster: function(poster) {\n      this.poster_ = poster;\n    },\n\n    setSrc: function(source) {\n      if (!source || !source.src) {\n        return;\n      }\n\n      delete this.errorNumber;\n      this.source = source;\n      this.url = Youtube.parseUrl(source.src);\n\n      if (!this.options_.poster) {\n        if (this.url.videoId) {\n          // Set the low resolution first\n          this.poster_ = 'https://img.youtube.com/vi/' + this.url.videoId + '/0.jpg';\n          this.trigger('posterchange');\n\n          // Check if their is a high res\n          this.checkHighResPoster();\n        }\n      }\n\n      if (this.options_.autoplay && !_isOnMobile) {\n        if (this.isReady_) {\n          this.play();\n        } else {\n          this.playOnReady = true;\n        }\n      } else if (this.activeVideoId !== this.url.videoId) {\n        if (this.isReady_) {\n          this.cueVideoById_(this.url.videoId);\n          this.activeVideoId = this.url.videoId;\n        } else {\n          this.cueOnReady = true;\n        }\n      }\n    },\n\n    autoplay: function() {\n      return this.options_.autoplay;\n    },\n\n    setAutoplay: function(val) {\n      this.options_.autoplay = val;\n    },\n\n    loop: function() {\n      return this.options_.loop;\n    },\n\n    setLoop: function(val) {\n      this.options_.loop = val;\n    },\n\n    play: function() {\n      if (!this.url || !this.url.videoId) {\n        return;\n      }\n\n      this.wasPausedBeforeSeek = false;\n\n      if (this.isReady_) {\n        if (this.url.listId) {\n          if (this.activeList === this.url.listId) {\n            this.ytPlayer.playVideo();\n          } else {\n            this.ytPlayer.loadPlaylist(this.url.listId);\n            this.activeList = this.url.listId;\n          }\n        }\n\n        if (this.activeVideoId === this.url.videoId) {\n          this.ytPlayer.playVideo();\n        } else {\n          this.loadVideoById_(this.url.videoId);\n          this.activeVideoId = this.url.videoId;\n        }\n      } else {\n        this.trigger('waiting');\n        this.playOnReady = true;\n      }\n    },\n\n    pause: function() {\n      if (this.ytPlayer) {\n        this.ytPlayer.pauseVideo();\n      }\n    },\n\n    paused: function() {\n      return (this.ytPlayer) ?\n        (this.lastState !== YT.PlayerState.PLAYING && this.lastState !== YT.PlayerState.BUFFERING)\n        : true;\n    },\n\n    currentTime: function() {\n      return this.ytPlayer ? this.ytPlayer.getCurrentTime() : 0;\n    },\n\n    setCurrentTime: function(seconds) {\n      if (this.lastState === YT.PlayerState.PAUSED) {\n        this.timeBeforeSeek = this.currentTime();\n      }\n\n      if (!this.isSeeking) {\n        this.wasPausedBeforeSeek = this.paused();\n      }\n\n      this.ytPlayer.seekTo(seconds, true);\n      this.trigger('timeupdate');\n      this.trigger('seeking');\n      this.isSeeking = true;\n\n      // A seek event during pause does not return an event to trigger a seeked event,\n      // so run an interval timer to look for the currentTime to change\n      if (this.lastState === YT.PlayerState.PAUSED && this.timeBeforeSeek !== seconds) {\n        clearInterval(this.checkSeekedInPauseInterval);\n        this.checkSeekedInPauseInterval = setInterval(function() {\n          if (this.lastState !== YT.PlayerState.PAUSED || !this.isSeeking) {\n            // If something changed while we were waiting for the currentTime to change,\n            //  clear the interval timer\n            clearInterval(this.checkSeekedInPauseInterval);\n          } else if (this.currentTime() !== this.timeBeforeSeek) {\n            this.trigger('timeupdate');\n            this.onSeeked();\n          }\n        }.bind(this), 250);\n      }\n    },\n\n    seeking: function () {\n      return this.isSeeking;\n    },\n\n    seekable: function () {\n      if(!this.ytPlayer) {\n        return videojs.createTimeRange();\n      }\n\n      return videojs.createTimeRange(0, this.ytPlayer.getDuration());\n    },\n\n    onSeeked: function() {\n      clearInterval(this.checkSeekedInPauseInterval);\n      this.isSeeking = false;\n\n      if (this.wasPausedBeforeSeek) {\n        this.pause();\n      }\n\n      this.trigger('seeked');\n    },\n\n    playbackRate: function() {\n      return this.ytPlayer ? this.ytPlayer.getPlaybackRate() : 1;\n    },\n\n    setPlaybackRate: function(suggestedRate) {\n      if (!this.ytPlayer) {\n        return;\n      }\n\n      this.ytPlayer.setPlaybackRate(suggestedRate);\n    },\n\n    duration: function() {\n      return this.ytPlayer ? this.ytPlayer.getDuration() : 0;\n    },\n\n    currentSrc: function() {\n      return this.source && this.source.src;\n    },\n\n    ended: function() {\n      return this.ytPlayer ? (this.lastState === YT.PlayerState.ENDED) : false;\n    },\n\n    volume: function() {\n      return this.ytPlayer ? this.ytPlayer.getVolume() / 100.0 : 1;\n    },\n\n    setVolume: function(percentAsDecimal) {\n      if (!this.ytPlayer) {\n        return;\n      }\n\n      this.ytPlayer.setVolume(percentAsDecimal * 100.0);\n    },\n\n    muted: function() {\n      return this.ytPlayer ? this.ytPlayer.isMuted() : false;\n    },\n\n    setMuted: function(mute) {\n      if (!this.ytPlayer) {\n        return;\n      }\n      else{\n        this.muted(true);\n      }\n\n      if (mute) {\n        this.ytPlayer.mute();\n      } else {\n        this.ytPlayer.unMute();\n      }\n      this.setTimeout( function(){\n        this.trigger('volumechange');\n      }, 50);\n    },\n\n    buffered: function() {\n      if(!this.ytPlayer || !this.ytPlayer.getVideoLoadedFraction) {\n        return videojs.createTimeRange();\n      }\n\n      var bufferedEnd = this.ytPlayer.getVideoLoadedFraction() * this.ytPlayer.getDuration();\n\n      return videojs.createTimeRange(0, bufferedEnd);\n    },\n\n    // TODO: Can we really do something with this on YouTUbe?\n    preload: function() {},\n    load: function() {},\n    reset: function() {},\n    networkState: function () {\n      if (!this.ytPlayer) {\n        return 0; //NETWORK_EMPTY\n      }\n      switch (this.ytPlayer.getPlayerState()) {\n        case -1: //unstarted\n          return 0; //NETWORK_EMPTY\n        case 3: //buffering\n          return 2; //NETWORK_LOADING\n        default:\n          return 1; //NETWORK_IDLE\n      }\n    },\n    readyState: function () {\n      if (!this.ytPlayer) {\n        return 0; //HAVE_NOTHING\n      }\n      switch (this.ytPlayer.getPlayerState()) {\n        case -1: //unstarted\n          return 0; //HAVE_NOTHING\n        case 5: //video cued\n          return 1; //HAVE_METADATA\n        case 3: //buffering\n          return 2; //HAVE_CURRENT_DATA\n        default:\n          return 4; //HAVE_ENOUGH_DATA\n      }\n    },\n\n    supportsFullScreen: function() {\n      return document.fullscreenEnabled ||\n             document.webkitFullscreenEnabled ||\n             document.mozFullScreenEnabled ||\n             document.msFullscreenEnabled;\n    },\n\n    // Tries to get the highest resolution thumbnail available for the video\n    checkHighResPoster: function(){\n      var uri = 'https://img.youtube.com/vi/' + this.url.videoId + '/maxresdefault.jpg';\n\n      try {\n        var image = new Image();\n        image.onload = function(){\n          // Onload may still be called if YouTube returns the 120x90 error thumbnail\n          if('naturalHeight' in image){\n            if (image.naturalHeight <= 90 || image.naturalWidth <= 120) {\n              return;\n            }\n          } else if(image.height <= 90 || image.width <= 120) {\n            return;\n          }\n\n          this.poster_ = uri;\n          this.trigger('posterchange');\n        }.bind(this);\n        image.onerror = function(){};\n        image.src = uri;\n      }\n      catch(e){}\n    }\n  });\n\n  Youtube.isSupported = function() {\n    return true;\n  };\n\n  Youtube.canPlaySource = function(e) {\n    return Youtube.canPlayType(e.type);\n  };\n\n  Youtube.canPlayType = function(e) {\n    return (e === 'video/youtube');\n  };\n\n  Youtube.parseUrl = function(url) {\n    var result = {\n      videoId: null\n    };\n\n    var regex = /^.*(youtu.be\\/|v\\/|u\\/\\w\\/|embed\\/|watch\\?v=|\\&v=)([^#\\&\\?]*).*/;\n    var match = url.match(regex);\n\n    if (match && match[2].length === 11) {\n      result.videoId = match[2];\n    }\n\n    var regPlaylist = /[?&]list=([^#\\&\\?]+)/;\n    match = url.match(regPlaylist);\n\n    if(match && match[1]) {\n      result.listId = match[1];\n    }\n\n    return result;\n  };\n\n  function apiLoaded() {\n    YT.ready(function() {\n      Youtube.isApiReady = true;\n\n      for (var i = 0; i < Youtube.apiReadyQueue.length; ++i) {\n        Youtube.apiReadyQueue[i].initYTPlayer();\n      }\n    });\n  }\n\n  function loadScript(src, callback) {\n    var loaded = false;\n    var tag = document.createElement('script');\n    var firstScriptTag = document.getElementsByTagName('script')[0];\n    if (!firstScriptTag) {\n      // when loaded in jest without jsdom setup it doesn't get any element.\n      // In jest it doesn't really make sense to do anything, because no one is watching youtube in jest\n      return;\n    }\n    firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);\n    tag.onload = function () {\n      if (!loaded) {\n        loaded = true;\n        callback();\n      }\n    };\n    tag.onreadystatechange = function () {\n      if (!loaded && (this.readyState === 'complete' || this.readyState === 'loaded')) {\n        loaded = true;\n        callback();\n      }\n    };\n    tag.src = src;\n  }\n\n  function injectCss() {\n    var css = // iframe blocker to catch mouse events\n              '.vjs-youtube .vjs-iframe-blocker { display: none; }' +\n              '.vjs-youtube.vjs-user-inactive .vjs-iframe-blocker { display: block; }' +\n              '.vjs-youtube .vjs-poster { background-size: cover; }' +\n              '.vjs-youtube-mobile .vjs-big-play-button { display: none; }';\n\n    var head = document.head || document.getElementsByTagName('head')[0];\n\n    var style = document.createElement('style');\n    style.type = 'text/css';\n\n    if (style.styleSheet){\n      style.styleSheet.cssText = css;\n    } else {\n      style.appendChild(document.createTextNode(css));\n    }\n\n    head.appendChild(style);\n  }\n\n  Youtube.apiReadyQueue = [];\n\n  if (typeof document !== 'undefined'){\n    loadScript('https://www.youtube.com/iframe_api', apiLoaded);\n    injectCss();\n  }\n\n  // Older versions of VJS5 doesn't have the registerTech function\n  if (typeof videojs.registerTech !== 'undefined') {\n    videojs.registerTech('Youtube', Youtube);\n  } else {\n    videojs.registerComponent('Youtube', Youtube);\n  }\n}));\n"],"file":"Youtube-lazy.min.js"}
\ No newline at end of file
+{"version":3,"file":"Youtube-lazy.min.js","sources":["../src/Youtube-lazy.js"],"sourcesContent":["/* The MIT License (MIT)\n\nCopyright (c) 2014-2015 Benoit Tremblay <trembl.ben@gmail.com>\n\nPermission is hereby granted, free of charge, to any person obtaining a copy\nof this software and associated documentation files (the \"Software\"), to deal\nin the Software without restriction, including without limitation the rights\nto use, copy, modify, merge, publish, distribute, sublicense, and/or sell\ncopies of the Software, and to permit persons to whom the Software is\nfurnished to do so, subject to the following conditions:\n\nThe above copyright notice and this permission notice shall be included in\nall copies or substantial portions of the Software.\n\nTHE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\nIMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\nFITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\nAUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\nLIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\nOUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN\nTHE SOFTWARE. */\n/*global define, YT*/\n(function (root, factory) {\n  if(typeof exports==='object' && typeof module!=='undefined') {\n    var videojs = require('video.js');\n    module.exports = factory(videojs.default || videojs);\n  } else if(typeof define === 'function' && define.amd) {\n    define(['media_videojs/video-lazy'], function(videojs){\n      return (root.Youtube = factory(videojs));\n    });\n  } else {\n    root.Youtube = factory(root.videojs);\n  }\n}(this, function(videojs) {\n  'use strict';\n\n  var _isOnMobile = videojs.browser.IS_IOS || videojs.browser.IS_NATIVE_ANDROID;\n  var Tech = videojs.getTech('Tech');\n\n  var Youtube = videojs.extend(Tech, {\n\n    constructor: function(options, ready) {\n      Tech.call(this, options, ready);\n\n      this.setPoster(options.poster);\n      this.setSrc(this.options_.source, true);\n\n      // Set the vjs-youtube class to the player\n      // Parent is not set yet so we have to wait a tick\n      this.setTimeout(function() {\n        if (this.el_) {\n          this.el_.parentNode.className += ' vjs-youtube';\n\n          if (_isOnMobile) {\n            this.el_.parentNode.className += ' vjs-youtube-mobile';\n          }\n\n          if (Youtube.isApiReady) {\n            this.initYTPlayer();\n          } else {\n            Youtube.apiReadyQueue.push(this);\n          }\n        }\n      }.bind(this));\n    },\n\n    dispose: function() {\n      if (this.ytPlayer) {\n        //Dispose of the YouTube Player\n        if (this.ytPlayer.stopVideo) {\n          this.ytPlayer.stopVideo();\n        }\n        if (this.ytPlayer.destroy) {\n          this.ytPlayer.destroy();\n        }\n      } else {\n        //YouTube API hasn't finished loading or the player is already disposed\n        var index = Youtube.apiReadyQueue.indexOf(this);\n        if (index !== -1) {\n          Youtube.apiReadyQueue.splice(index, 1);\n        }\n      }\n      this.ytPlayer = null;\n\n      this.el_.parentNode.className = this.el_.parentNode.className\n        .replace(' vjs-youtube', '')\n        .replace(' vjs-youtube-mobile', '');\n      this.el_.parentNode.removeChild(this.el_);\n\n      //Needs to be called after the YouTube player is destroyed, otherwise there will be a null reference exception\n      Tech.prototype.dispose.call(this);\n    },\n\n    createEl: function() {\n      var div = document.createElement('div');\n      div.setAttribute('id', this.options_.techId);\n      div.setAttribute('style', 'width:100%;height:100%;top:0;left:0;position:absolute');\n      div.setAttribute('class', 'vjs-tech');\n\n      var divWrapper = document.createElement('div');\n      divWrapper.appendChild(div);\n\n      if (!_isOnMobile && !this.options_.ytControls) {\n        var divBlocker = document.createElement('div');\n        divBlocker.setAttribute('class', 'vjs-iframe-blocker');\n        divBlocker.setAttribute('style', 'position:absolute;top:0;left:0;width:100%;height:100%');\n\n        // In case the blocker is still there and we want to pause\n        divBlocker.onclick = function() {\n          this.pause();\n        }.bind(this);\n\n        divWrapper.appendChild(divBlocker);\n      }\n\n      return divWrapper;\n    },\n\n    initYTPlayer: function() {\n      var playerVars = {\n        controls: 0,\n        modestbranding: 1,\n        rel: 0,\n        showinfo: 0,\n        loop: this.options_.loop ? 1 : 0\n      };\n\n      // Let the user set any YouTube parameter\n      // https://developers.google.com/youtube/player_parameters?playerVersion=HTML5#Parameters\n      // To use YouTube controls, you must use ytControls instead\n      // To use the loop or autoplay, use the video.js settings\n\n      if (typeof this.options_.autohide !== 'undefined') {\n        playerVars.autohide = this.options_.autohide;\n      }\n\n      if (typeof this.options_['cc_load_policy'] !== 'undefined') {\n        playerVars['cc_load_policy'] = this.options_['cc_load_policy'];\n      }\n\n      if (typeof this.options_.ytControls !== 'undefined') {\n        playerVars.controls = this.options_.ytControls;\n      }\n\n      if (typeof this.options_.disablekb !== 'undefined') {\n        playerVars.disablekb = this.options_.disablekb;\n      }\n\n      if (typeof this.options_.color !== 'undefined') {\n        playerVars.color = this.options_.color;\n      }\n\n      if (!playerVars.controls) {\n        // Let video.js handle the fullscreen unless it is the YouTube native controls\n        playerVars.fs = 0;\n      } else if (typeof this.options_.fs !== 'undefined') {\n        playerVars.fs = this.options_.fs;\n      }\n\n      if (this.options_.source.src.indexOf('end=') !== -1) {\n        var srcEndTime = this.options_.source.src.match(/end=([0-9]*)/);\n        this.options_.end = parseInt(srcEndTime[1]);\n      }\n\n      if (typeof this.options_.end !== 'undefined') {\n        playerVars.end = this.options_.end;\n      }\n\n      if (typeof this.options_.hl !== 'undefined') {\n        playerVars.hl = this.options_.hl;\n      } else if (typeof this.options_.language !== 'undefined') {\n        // Set the YouTube player on the same language than video.js\n        playerVars.hl = this.options_.language.substr(0, 2);\n      }\n\n      if (typeof this.options_['iv_load_policy'] !== 'undefined') {\n        playerVars['iv_load_policy'] = this.options_['iv_load_policy'];\n      }\n\n      if (typeof this.options_.list !== 'undefined') {\n        playerVars.list = this.options_.list;\n      } else if (this.url && typeof this.url.listId !== 'undefined') {\n        playerVars.list = this.url.listId;\n      }\n\n      if (typeof this.options_.listType !== 'undefined') {\n        playerVars.listType = this.options_.listType;\n      }\n\n      if (typeof this.options_.modestbranding !== 'undefined') {\n        playerVars.modestbranding = this.options_.modestbranding;\n      }\n\n      if (typeof this.options_.playlist !== 'undefined') {\n        playerVars.playlist = this.options_.playlist;\n      }\n\n      if (typeof this.options_.playsinline !== 'undefined') {\n        playerVars.playsinline = this.options_.playsinline;\n      }\n\n      if (typeof this.options_.rel !== 'undefined') {\n        playerVars.rel = this.options_.rel;\n      }\n\n      if (typeof this.options_.showinfo !== 'undefined') {\n        playerVars.showinfo = this.options_.showinfo;\n      }\n\n      if (this.options_.source.src.indexOf('start=') !== -1) {\n        var srcStartTime = this.options_.source.src.match(/start=([0-9]*)/);\n        this.options_.start = parseInt(srcStartTime[1]);\n      }\n\n      if (typeof this.options_.start !== 'undefined') {\n        playerVars.start = this.options_.start;\n      }\n\n      if (typeof this.options_.theme !== 'undefined') {\n        playerVars.theme = this.options_.theme;\n      }\n\n      // Allow undocumented options to be passed along via customVars\n      if (typeof this.options_.customVars !== 'undefined') {\n        var customVars = this.options_.customVars;\n        Object.keys(customVars).forEach(function(key) {\n          playerVars[key] = customVars[key];\n        });\n      }\n\n      this.activeVideoId = this.url ? this.url.videoId : null;\n      this.activeList = playerVars.list;\n\n      var playerConfig = {\n        videoId: this.activeVideoId,\n        playerVars: playerVars,\n        events: {\n          onReady: this.onPlayerReady.bind(this),\n          onPlaybackQualityChange: this.onPlayerPlaybackQualityChange.bind(this),\n          onPlaybackRateChange: this.onPlayerPlaybackRateChange.bind(this),\n          onStateChange: this.onPlayerStateChange.bind(this),\n          onVolumeChange: this.onPlayerVolumeChange.bind(this),\n          onError: this.onPlayerError.bind(this)\n        }\n      };\n\n      if (typeof this.options_.enablePrivacyEnhancedMode !== 'undefined' && this.options_.enablePrivacyEnhancedMode) {\n        playerConfig.host = 'https://www.youtube-nocookie.com';\n      }\n\n      this.ytPlayer = new YT.Player(this.options_.techId, playerConfig);\n    },\n\n    onPlayerReady: function() {\n      if (this.options_.muted) {\n        this.ytPlayer.mute();\n      }\n\n      var playbackRates = this.ytPlayer.getAvailablePlaybackRates();\n      if (playbackRates.length > 1) {\n        this.featuresPlaybackRate = true;\n      }\n\n      this.playerReady_ = true;\n      this.triggerReady();\n\n      if (this.playOnReady) {\n        this.play();\n      } else if (this.cueOnReady) {\n        this.cueVideoById_(this.url.videoId);\n        this.activeVideoId = this.url.videoId;\n      }\n    },\n\n    onPlayerPlaybackQualityChange: function() {\n\n    },\n\n    onPlayerPlaybackRateChange: function() {\n      this.trigger('ratechange');\n    },\n\n    onPlayerStateChange: function(e) {\n      var state = e.data;\n\n      if (state === this.lastState || this.errorNumber) {\n        return;\n      }\n\n      this.lastState = state;\n\n      switch (state) {\n        case -1:\n          this.trigger('loadstart');\n          this.trigger('loadedmetadata');\n          this.trigger('durationchange');\n          this.trigger('ratechange');\n          break;\n\n        case YT.PlayerState.ENDED:\n          this.trigger('ended');\n          break;\n\n        case YT.PlayerState.PLAYING:\n          this.trigger('timeupdate');\n          this.trigger('durationchange');\n          this.trigger('playing');\n          this.trigger('play');\n\n          if (this.isSeeking) {\n            this.onSeeked();\n          }\n          break;\n\n        case YT.PlayerState.PAUSED:\n          this.trigger('canplay');\n          if (this.isSeeking) {\n            this.onSeeked();\n          } else {\n            this.trigger('pause');\n          }\n          break;\n\n        case YT.PlayerState.BUFFERING:\n          this.player_.trigger('timeupdate');\n          this.player_.trigger('waiting');\n          break;\n      }\n    },\n\n    onPlayerVolumeChange: function() {\n      this.trigger('volumechange');\n    },\n\n    onPlayerError: function(e) {\n      this.errorNumber = e.data;\n      this.trigger('pause');\n      this.trigger('error');\n    },\n\n    error: function() {\n      var code = 1000 + this.errorNumber; // as smaller codes are reserved\n      switch (this.errorNumber) {\n        case 5:\n          return { code: code, message: 'Error while trying to play the video' };\n\n        case 2:\n        case 100:\n          return { code: code, message: 'Unable to find the video' };\n\n        case 101:\n        case 150:\n          return {\n            code: code,\n            message: 'Playback on other Websites has been disabled by the video owner.'\n          };\n      }\n\n      return { code: code, message: 'YouTube unknown error (' + this.errorNumber + ')' };\n    },\n\n    loadVideoById_: function(id) {\n      var options = {\n        videoId: id\n      };\n      if (this.options_.start) {\n        options.startSeconds = this.options_.start;\n      }\n      if (this.options_.end) {\n        options.endSeconds = this.options_.end;\n      }\n      this.ytPlayer.loadVideoById(options);\n    },\n\n    cueVideoById_: function(id) {\n      var options = {\n        videoId: id\n      };\n      if (this.options_.start) {\n        options.startSeconds = this.options_.start;\n      }\n      if (this.options_.end) {\n        options.endSeconds = this.options_.end;\n      }\n      this.ytPlayer.cueVideoById(options);\n    },\n\n    src: function(src) {\n      if (src) {\n        this.setSrc({ src: src });\n      }\n\n      return this.source;\n    },\n\n    poster: function() {\n      // You can't start programmaticlly a video with a mobile\n      // through the iframe so we hide the poster and the play button (with CSS)\n      if (_isOnMobile) {\n        return null;\n      }\n\n      return this.poster_;\n    },\n\n    setPoster: function(poster) {\n      this.poster_ = poster;\n    },\n\n    setSrc: function(source) {\n      if (!source || !source.src) {\n        return;\n      }\n\n      delete this.errorNumber;\n      this.source = source;\n      this.url = Youtube.parseUrl(source.src);\n\n      if (!this.options_.poster) {\n        if (this.url.videoId) {\n          // Set the low resolution first\n          this.poster_ = 'https://img.youtube.com/vi/' + this.url.videoId + '/0.jpg';\n          this.trigger('posterchange');\n\n          // Check if their is a high res\n          this.checkHighResPoster();\n        }\n      }\n\n      if (this.options_.autoplay && !_isOnMobile) {\n        if (this.isReady_) {\n          this.play();\n        } else {\n          this.playOnReady = true;\n        }\n      } else if (this.activeVideoId !== this.url.videoId) {\n        if (this.isReady_) {\n          this.cueVideoById_(this.url.videoId);\n          this.activeVideoId = this.url.videoId;\n        } else {\n          this.cueOnReady = true;\n        }\n      }\n    },\n\n    autoplay: function() {\n      return this.options_.autoplay;\n    },\n\n    setAutoplay: function(val) {\n      this.options_.autoplay = val;\n    },\n\n    loop: function() {\n      return this.options_.loop;\n    },\n\n    setLoop: function(val) {\n      this.options_.loop = val;\n    },\n\n    play: function() {\n      if (!this.url || !this.url.videoId) {\n        return;\n      }\n\n      this.wasPausedBeforeSeek = false;\n\n      if (this.isReady_) {\n        if (this.url.listId) {\n          if (this.activeList === this.url.listId) {\n            this.ytPlayer.playVideo();\n          } else {\n            this.ytPlayer.loadPlaylist(this.url.listId);\n            this.activeList = this.url.listId;\n          }\n        }\n\n        if (this.activeVideoId === this.url.videoId) {\n          this.ytPlayer.playVideo();\n        } else {\n          this.loadVideoById_(this.url.videoId);\n          this.activeVideoId = this.url.videoId;\n        }\n      } else {\n        this.trigger('waiting');\n        this.playOnReady = true;\n      }\n    },\n\n    pause: function() {\n      if (this.ytPlayer) {\n        this.ytPlayer.pauseVideo();\n      }\n    },\n\n    paused: function() {\n      return (this.ytPlayer) ?\n        (this.lastState !== YT.PlayerState.PLAYING && this.lastState !== YT.PlayerState.BUFFERING)\n        : true;\n    },\n\n    currentTime: function() {\n      return this.ytPlayer ? this.ytPlayer.getCurrentTime() : 0;\n    },\n\n    setCurrentTime: function(seconds) {\n      if (this.lastState === YT.PlayerState.PAUSED) {\n        this.timeBeforeSeek = this.currentTime();\n      }\n\n      if (!this.isSeeking) {\n        this.wasPausedBeforeSeek = this.paused();\n      }\n\n      this.ytPlayer.seekTo(seconds, true);\n      this.trigger('timeupdate');\n      this.trigger('seeking');\n      this.isSeeking = true;\n\n      // A seek event during pause does not return an event to trigger a seeked event,\n      // so run an interval timer to look for the currentTime to change\n      if (this.lastState === YT.PlayerState.PAUSED && this.timeBeforeSeek !== seconds) {\n        clearInterval(this.checkSeekedInPauseInterval);\n        this.checkSeekedInPauseInterval = setInterval(function() {\n          if (this.lastState !== YT.PlayerState.PAUSED || !this.isSeeking) {\n            // If something changed while we were waiting for the currentTime to change,\n            //  clear the interval timer\n            clearInterval(this.checkSeekedInPauseInterval);\n          } else if (this.currentTime() !== this.timeBeforeSeek) {\n            this.trigger('timeupdate');\n            this.onSeeked();\n          }\n        }.bind(this), 250);\n      }\n    },\n\n    seeking: function () {\n      return this.isSeeking;\n    },\n\n    seekable: function () {\n      if(!this.ytPlayer) {\n        return videojs.createTimeRange();\n      }\n\n      return videojs.createTimeRange(0, this.ytPlayer.getDuration());\n    },\n\n    onSeeked: function() {\n      clearInterval(this.checkSeekedInPauseInterval);\n      this.isSeeking = false;\n\n      if (this.wasPausedBeforeSeek) {\n        this.pause();\n      }\n\n      this.trigger('seeked');\n    },\n\n    playbackRate: function() {\n      return this.ytPlayer ? this.ytPlayer.getPlaybackRate() : 1;\n    },\n\n    setPlaybackRate: function(suggestedRate) {\n      if (!this.ytPlayer) {\n        return;\n      }\n\n      this.ytPlayer.setPlaybackRate(suggestedRate);\n    },\n\n    duration: function() {\n      return this.ytPlayer ? this.ytPlayer.getDuration() : 0;\n    },\n\n    currentSrc: function() {\n      return this.source && this.source.src;\n    },\n\n    ended: function() {\n      return this.ytPlayer ? (this.lastState === YT.PlayerState.ENDED) : false;\n    },\n\n    volume: function() {\n      return this.ytPlayer ? this.ytPlayer.getVolume() / 100.0 : 1;\n    },\n\n    setVolume: function(percentAsDecimal) {\n      if (!this.ytPlayer) {\n        return;\n      }\n\n      this.ytPlayer.setVolume(percentAsDecimal * 100.0);\n    },\n\n    muted: function() {\n      return this.ytPlayer ? this.ytPlayer.isMuted() : false;\n    },\n\n    setMuted: function(mute) {\n      if (!this.ytPlayer) {\n        return;\n      }\n      else{\n        this.muted(true);\n      }\n\n      if (mute) {\n        this.ytPlayer.mute();\n      } else {\n        this.ytPlayer.unMute();\n      }\n      this.setTimeout( function(){\n        this.trigger('volumechange');\n      }, 50);\n    },\n\n    buffered: function() {\n      if(!this.ytPlayer || !this.ytPlayer.getVideoLoadedFraction) {\n        return videojs.createTimeRange();\n      }\n\n      var bufferedEnd = this.ytPlayer.getVideoLoadedFraction() * this.ytPlayer.getDuration();\n\n      return videojs.createTimeRange(0, bufferedEnd);\n    },\n\n    // TODO: Can we really do something with this on YouTUbe?\n    preload: function() {},\n    load: function() {},\n    reset: function() {},\n    networkState: function () {\n      if (!this.ytPlayer) {\n        return 0; //NETWORK_EMPTY\n      }\n      switch (this.ytPlayer.getPlayerState()) {\n        case -1: //unstarted\n          return 0; //NETWORK_EMPTY\n        case 3: //buffering\n          return 2; //NETWORK_LOADING\n        default:\n          return 1; //NETWORK_IDLE\n      }\n    },\n    readyState: function () {\n      if (!this.ytPlayer) {\n        return 0; //HAVE_NOTHING\n      }\n      switch (this.ytPlayer.getPlayerState()) {\n        case -1: //unstarted\n          return 0; //HAVE_NOTHING\n        case 5: //video cued\n          return 1; //HAVE_METADATA\n        case 3: //buffering\n          return 2; //HAVE_CURRENT_DATA\n        default:\n          return 4; //HAVE_ENOUGH_DATA\n      }\n    },\n\n    supportsFullScreen: function() {\n      return document.fullscreenEnabled ||\n             document.webkitFullscreenEnabled ||\n             document.mozFullScreenEnabled ||\n             document.msFullscreenEnabled;\n    },\n\n    // Tries to get the highest resolution thumbnail available for the video\n    checkHighResPoster: function(){\n      var uri = 'https://img.youtube.com/vi/' + this.url.videoId + '/maxresdefault.jpg';\n\n      try {\n        var image = new Image();\n        image.onload = function(){\n          // Onload may still be called if YouTube returns the 120x90 error thumbnail\n          if('naturalHeight' in image){\n            if (image.naturalHeight <= 90 || image.naturalWidth <= 120) {\n              return;\n            }\n          } else if(image.height <= 90 || image.width <= 120) {\n            return;\n          }\n\n          this.poster_ = uri;\n          this.trigger('posterchange');\n        }.bind(this);\n  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\ No newline at end of file
diff --git a/media/player/videojs/amd/build/document.min.js b/media/player/videojs/amd/build/document.min.js
index b96ee15b76d..460c570d035 100644
--- a/media/player/videojs/amd/build/document.min.js
+++ b/media/player/videojs/amd/build/document.min.js
@@ -1,2 +1,10 @@
-define ("media_videojs/document",[],function(){return document});
-//# sourceMappingURL=document.min.js.map
+/**
+ * AMD module to access the DOM global document object.
+ *
+ * @package    media_videojs
+ * @copyright  2019 Tom Dickman <tomdickman@catalyst-au.net>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("media_videojs/document",[],(function(){return document}));
+
+//# sourceMappingURL=document.min.js.map
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/document.min.js.map b/media/player/videojs/amd/build/document.min.js.map
index f3a46218fbd..d103b4906cb 100644
--- a/media/player/videojs/amd/build/document.min.js.map
+++ b/media/player/videojs/amd/build/document.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/document.js"],"names":["define","document"],"mappings":"AAuBAA,OAAM,0BAAC,EAAD,CAAK,UAAW,CAClB,MAAOC,CAAAA,QACV,CAFK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module to access the DOM global document object.\n *\n * @package    media_videojs\n * @copyright  2019 Tom Dickman <tomdickman@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine([], function() {\n    return document;\n});\n"],"file":"document.min.js"}
\ No newline at end of file
+{"version":3,"file":"document.min.js","sources":["../src/document.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module to access the DOM global document object.\n *\n * @package    media_videojs\n * @copyright  2019 Tom Dickman <tomdickman@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine([], function() {\n    return document;\n});\n"],"names":["define","document"],"mappings":";;;;;;;AAuBAA,gCAAO,IAAI,kBACAC"}
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/loader.min.js b/media/player/videojs/amd/build/loader.min.js
index 2bf824fb334..f54bffb248c 100644
--- a/media/player/videojs/amd/build/loader.min.js
+++ b/media/player/videojs/amd/build/loader.min.js
@@ -1,2 +1,12 @@
-define ("media_videojs/loader",["jquery","core/event"],function(a,b){var c,d=function(b,d){d.find(".mediaplugin_videojs").addBack(".mediaplugin_videojs").find("audio, video").each(function(){var b=a(this).attr("id"),d=a(this).data("setup-lazy"),e=["media_videojs/video-lazy"];if(d.techOrder&&-1!==d.techOrder.indexOf("youtube")){e.push("media_videojs/Youtube-lazy")}if(d.techOrder&&-1!==d.techOrder.indexOf("flash")){e.push("media_videojs/videojs-flash-lazy")}require(e,function(a){if(c){c(a);c=null}a(b,d)})})};return{setUp:function setUp(e){c=e;d(null,a("body"));b.getLegacyEvents().done(function(b){a(document).on(b.FILTER_CONTENT_UPDATED,d)})}}});
-//# sourceMappingURL=loader.min.js.map
+/**
+ * Video JS loader.
+ *
+ * This takes care of applying the filter on content which was dynamically loaded.
+ *
+ * @package    media_videojs
+ * @copyright  2016 Frédéric Massart - FMCorz.net
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("media_videojs/loader",["jquery","core/event"],(function($,Event){var onload,notifyVideoJS=function(e,nodes){nodes.find(".mediaplugin_videojs").addBack(".mediaplugin_videojs").find("audio, video").each((function(){var id=$(this).attr("id"),config=$(this).data("setup-lazy"),modules=["media_videojs/video-lazy"];config.techOrder&&-1!==config.techOrder.indexOf("youtube")&&modules.push("media_videojs/Youtube-lazy"),config.techOrder&&-1!==config.techOrder.indexOf("flash")&&modules.push("media_videojs/videojs-flash-lazy"),require(modules,(function(videojs){onload&&(onload(videojs),onload=null),videojs(id,config)}))}))};return{setUp:function(executeonload){onload=executeonload,notifyVideoJS(null,$("body")),Event.getLegacyEvents().done((function(events){$(document).on(events.FILTER_CONTENT_UPDATED,notifyVideoJS)}))}}}));
+
+//# sourceMappingURL=loader.min.js.map
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/loader.min.js.map b/media/player/videojs/amd/build/loader.min.js.map
index f0d4d84fb61..3d2bb246143 100644
--- a/media/player/videojs/amd/build/loader.min.js.map
+++ b/media/player/videojs/amd/build/loader.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/loader.js"],"names":["define","$","Event","onload","notifyVideoJS","e","nodes","find","addBack","each","id","attr","config","data","modules","techOrder","indexOf","push","require","videojs","setUp","executeonload","getLegacyEvents","done","events","document","on","FILTER_CONTENT_UPDATED"],"mappings":"AAwBAA,OAAM,wBAAC,CAAC,QAAD,CAAW,YAAX,CAAD,CAA2B,SAASC,CAAT,CAAYC,CAAZ,CAAmB,IAK5CC,CAAAA,CAL4C,CA6B5CC,CAAa,CAAG,SAASC,CAAT,CAAYC,CAAZ,CAAmB,CAOnCA,CAAK,CAACC,IAAN,yBACKC,OADL,yBAEKD,IAFL,CAEU,cAFV,EAE0BE,IAF1B,CAE+B,UAAW,CAClC,GAAIC,CAAAA,CAAE,CAAGT,CAAC,CAAC,IAAD,CAAD,CAAQU,IAAR,CAAa,IAAb,CAAT,CACIC,CAAM,CAAGX,CAAC,CAAC,IAAD,CAAD,CAAQY,IAAR,CAAa,YAAb,CADb,CAEIC,CAAO,CAAG,CAAC,0BAAD,CAFd,CAIA,GAAIF,CAAM,CAACG,SAAP,EAA4D,CAAC,CAAzC,GAAAH,CAAM,CAACG,SAAP,CAAiBC,OAAjB,CAAyB,SAAzB,CAAxB,CAAoE,CAEhEF,CAAO,CAACG,IAAR,CAAa,4BAAb,CACH,CACD,GAAIL,CAAM,CAACG,SAAP,EAA0D,CAAC,CAAvC,GAAAH,CAAM,CAACG,SAAP,CAAiBC,OAAjB,CAAyB,OAAzB,CAAxB,CAAkE,CAE9DF,CAAO,CAACG,IAAR,CAAa,kCAAb,CACH,CACDC,OAAO,CAACJ,CAAD,CAAU,SAASK,CAAT,CAAkB,CAC/B,GAAIhB,CAAJ,CAAY,CACRA,CAAM,CAACgB,CAAD,CAAN,CACAhB,CAAM,CAAG,IACZ,CACDgB,CAAO,CAACT,CAAD,CAAKE,CAAL,CACV,CANM,CAOV,CAtBL,CAuBH,CA3D+C,CA6DhD,MAAO,CACHQ,KAAK,CAjDG,QAARA,CAAAA,KAAQ,CAASC,CAAT,CAAwB,CAChClB,CAAM,CAAGkB,CAAT,CAEAjB,CAAa,CAAC,IAAD,CAAOH,CAAC,CAAC,MAAD,CAAR,CAAb,CAEAC,CAAK,CAACoB,eAAN,GAAwBC,IAAxB,CAA6B,SAASC,CAAT,CAAiB,CAC1CvB,CAAC,CAACwB,QAAD,CAAD,CAAYC,EAAZ,CAAeF,CAAM,CAACG,sBAAtB,CAA8CvB,CAA9C,CACH,CAFD,CAGH,CAwCM,CAIV,CAjEK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Video JS loader.\n *\n * This takes care of applying the filter on content which was dynamically loaded.\n *\n * @package    media_videojs\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/event'], function($, Event) {\n\n    /**\n     * Stores the method we need to execute on the first load of videojs module.\n     */\n    var onload;\n\n    /**\n     * Set-up.\n     *\n     * Adds the listener for the event to then notify video.js.\n     * @param {Function} executeonload function to execute when media_videojs/video is loaded\n     */\n    var setUp = function(executeonload) {\n        onload = executeonload;\n        // Notify Video.js about the nodes already present on the page.\n        notifyVideoJS(null, $('body'));\n        // We need to call popover automatically if nodes are added to the page later.\n        Event.getLegacyEvents().done(function(events) {\n            $(document).on(events.FILTER_CONTENT_UPDATED, notifyVideoJS);\n        });\n    };\n\n    /**\n     * Notify video.js of new nodes.\n     *\n     * @param {Event} e The event.\n     * @param {NodeList} nodes List of new nodes.\n     */\n    var notifyVideoJS = function(e, nodes) {\n        var selector = '.mediaplugin_videojs';\n\n        // Find the descendants matching the expected parent of the audio and video\n        // tags. Then also addBack the nodes matching the same selector. Finally,\n        // we find the audio and video tags contained in those parents. Kind thanks\n        // to jQuery for the simplicity.\n        nodes.find(selector)\n            .addBack(selector)\n            .find('audio, video').each(function() {\n                var id = $(this).attr('id'),\n                    config = $(this).data('setup-lazy'),\n                    modules = ['media_videojs/video-lazy'];\n\n                if (config.techOrder && config.techOrder.indexOf('youtube') !== -1) {\n                    // Add YouTube to the list of modules we require.\n                    modules.push('media_videojs/Youtube-lazy');\n                }\n                if (config.techOrder && config.techOrder.indexOf('flash') !== -1) {\n                    // Add Flash to the list of modules we require.\n                    modules.push('media_videojs/videojs-flash-lazy');\n                }\n                require(modules, function(videojs) {\n                    if (onload) {\n                        onload(videojs);\n                        onload = null;\n                    }\n                    videojs(id, config);\n                });\n            });\n    };\n\n    return {\n        setUp: setUp\n    };\n\n});\n"],"file":"loader.min.js"}
\ No newline at end of file
+{"version":3,"file":"loader.min.js","sources":["../src/loader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Video JS loader.\n *\n * This takes care of applying the filter on content which was dynamically loaded.\n *\n * @package    media_videojs\n * @copyright  2016 Frédéric Massart - FMCorz.net\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/event'], function($, Event) {\n\n    /**\n     * Stores the method we need to execute on the first load of videojs module.\n     */\n    var onload;\n\n    /**\n     * Set-up.\n     *\n     * Adds the listener for the event to then notify video.js.\n     * @param {Function} executeonload function to execute when media_videojs/video is loaded\n     */\n    var setUp = function(executeonload) {\n        onload = executeonload;\n        // Notify Video.js about the nodes already present on the page.\n        notifyVideoJS(null, $('body'));\n        // We need to call popover automatically if nodes are added to the page later.\n        Event.getLegacyEvents().done(function(events) {\n            $(document).on(events.FILTER_CONTENT_UPDATED, notifyVideoJS);\n        });\n    };\n\n    /**\n     * Notify video.js of new nodes.\n     *\n     * @param {Event} e The event.\n     * @param {NodeList} nodes List of new nodes.\n     */\n    var notifyVideoJS = function(e, nodes) {\n        var selector = '.mediaplugin_videojs';\n\n        // Find the descendants matching the expected parent of the audio and video\n        // tags. Then also addBack the nodes matching the same selector. Finally,\n        // we find the audio and video tags contained in those parents. Kind thanks\n        // to jQuery for the simplicity.\n        nodes.find(selector)\n            .addBack(selector)\n            .find('audio, video').each(function() {\n                var id = $(this).attr('id'),\n                    config = $(this).data('setup-lazy'),\n                    modules = ['media_videojs/video-lazy'];\n\n                if (config.techOrder && config.techOrder.indexOf('youtube') !== -1) {\n                    // Add YouTube to the list of modules we require.\n                    modules.push('media_videojs/Youtube-lazy');\n                }\n                if (config.techOrder && config.techOrder.indexOf('flash') !== -1) {\n                    // Add Flash to the list of modules we require.\n                    modules.push('media_videojs/videojs-flash-lazy');\n                }\n                require(modules, function(videojs) {\n                    if (onload) {\n                        onload(videojs);\n                        onload = null;\n                    }\n                    videojs(id, config);\n                });\n            });\n    };\n\n    return {\n        setUp: setUp\n    };\n\n});\n"],"names":["define","$","Event","onload","notifyVideoJS","e","nodes","find","addBack","each","id","this","attr","config","data","modules","techOrder","indexOf","push","require","videojs","setUp","executeonload","getLegacyEvents","done","events","document","on","FILTER_CONTENT_UPDATED"],"mappings":";;;;;;;;;AAwBAA,8BAAO,CAAC,SAAU,eAAe,SAASC,EAAGC,WAKrCC,OAwBAC,cAAgB,SAASC,EAAGC,OAO5BA,MAAMC,KANS,wBAOVC,QAPU,wBAQVD,KAAK,gBAAgBE,MAAK,eACnBC,GAAKT,EAAEU,MAAMC,KAAK,MAClBC,OAASZ,EAAEU,MAAMG,KAAK,cACtBC,QAAU,CAAC,4BAEXF,OAAOG,YAAsD,IAAzCH,OAAOG,UAAUC,QAAQ,YAE7CF,QAAQG,KAAK,8BAEbL,OAAOG,YAAoD,IAAvCH,OAAOG,UAAUC,QAAQ,UAE7CF,QAAQG,KAAK,oCAEjBC,QAAQJ,SAAS,SAASK,SAClBjB,SACAA,OAAOiB,SACPjB,OAAS,MAEbiB,QAAQV,GAAIG,qBAKrB,CACHQ,MAjDQ,SAASC,eACjBnB,OAASmB,cAETlB,cAAc,KAAMH,EAAE,SAEtBC,MAAMqB,kBAAkBC,MAAK,SAASC,QAClCxB,EAAEyB,UAAUC,GAAGF,OAAOG,uBAAwBxB"}
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/video-lazy.min.js b/media/player/videojs/amd/build/video-lazy.min.js
index 4c306334a16..b03b51ae15e 100644
--- a/media/player/videojs/amd/build/video-lazy.min.js
+++ b/media/player/videojs/amd/build/video-lazy.min.js
@@ -1,2 +1,22 @@
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ft(this.buffered(),this.duration_)};r.stopTrackingProgress=function(){this.clearInterval(this.progressInterval)};r.manualTimeUpdatesOn=function(){this.manualTimeUpdates=!0;this.on("play",this.trackCurrentTime);this.on("pause",this.stopTrackingCurrentTime)};r.manualTimeUpdatesOff=function(){this.manualTimeUpdates=!1;this.stopTrackingCurrentTime();this.off("play",this.trackCurrentTime);this.off("pause",this.stopTrackingCurrentTime)};r.trackCurrentTime=function(){if(this.currentTimeInterval){this.stopTrackingCurrentTime()}this.currentTimeInterval=this.setInterval(function(){this.trigger({type:"timeupdate",target:this,manuallyTriggered:!0})},250)};r.stopTrackingCurrentTime=function(){this.clearInterval(this.currentTimeInterval);this.trigger({type:"timeupdate",target:this,manuallyTriggered:!0})};r.dispose=function(){this.clearTracks(va.names);if(this.manualProgress){this.manualProgressOff()}if(this.manualTimeUpdates){this.manualTimeUpdatesOff()}a.prototype.dispose.call(this)};r.clearTracks=function(e){var t=this;e=[].concat(e);e.forEach(function(e){var a=t[e+"Tracks"]()||[],n=a.length;while(n--){var r=a[n];if("text"===e){t.removeRemoteTextTrack(r)}a.removeTrack(r)}})};r.cleanupAutoTextTracks=function(){var e=this.autoRemoteTextTracks_||[],t=e.length;while(t--){var a=e[t];this.removeRemoteTextTrack(a)}};r.reset=function(){};r.error=function(e){if(e!==void 0){this.error_=new Et(e);this.trigger("error")}return this.error_};r.played=function(){if(this.hasStarted_){return _t(0,0)}return _t()};r.setCurrentTime=function(){if(this.manualTimeUpdates){this.trigger({type:"timeupdate",target:this,manuallyTriggered:!0})}};r.initTrackListeners=function(){var e=this;va.names.forEach(function(t){var a=va[t],n=function(){e.trigger(t+"trackchange")},r=e[a.getterName]();r.addEventListener("removetrack",n);r.addEventListener("addtrack",n);e.on("dispose",function(){r.removeEventListener("removetrack",n);r.removeEventListener("addtrack",n)})})};r.addWebVttScript_=function(){var a=this;if(e.WebVTT){return}if(t.body.contains(this.el())){if(!this.options_["vtt.js"]&&h(en)&&0<Object.keys(en).length){this.trigger("vttjsloaded");return}var n=t.createElement("script");n.src=this.options_["vtt.js"]||"https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js";n.onload=function(){a.trigger("vttjsloaded")};n.onerror=function(){a.trigger("vttjserror")};this.on("dispose",function(){n.onload=null;n.onerror=null});e.WebVTT=!0;this.el().parentNode.appendChild(n)}else{this.ready(this.addWebVttScript_)}};r.emulateTextTracks=function(){var e=this,t=this.textTracks(),a=this.remoteTextTracks(),n=function(a){return t.addTrack(a.track)},r=function(a){return t.removeTrack(a.track)};a.on("addtrack",n);a.on("removetrack",r);this.addWebVttScript_();var s=function(){return e.trigger("texttrackchange")},o=function(){s();for(var e=0,a;e<t.length;e++){a=t[e];a.removeEventListener("cuechange",s);if("showing"===a.mode){a.addEventListener("cuechange",s)}}};o();t.addEventListener("change",o);t.addEventListener("addtrack",o);t.addEventListener("removetrack",o);this.on("dispose",function(){a.off("addtrack",n);a.off("removetrack",r);t.removeEventListener("change",o);t.removeEventListener("addtrack",o);t.removeEventListener("removetrack",o);for(var e=0,l;e<t.length;e++){l=t[e];l.removeEventListener("cuechange",s)}})};r.addTextTrack=function(e,t,a){if(!e){throw new Error("TextTrack kind is required but was not provided")}return rn(this,e,t,a)};r.createRemoteTextTrack=function(e){var t=He(e,{tech:this});return new Sa.remoteTextEl.TrackClass(t)};r.addRemoteTextTrack=function(e,t){var a=this;if(void 0===e){e={}}var n=this.createRemoteTextTrack(e);if(!0!==t&&!1!==t){s.warn("Calling addRemoteTextTrack without explicitly setting the \"manualCleanup\" parameter to `true` is deprecated and default to `false` in future version of video.js");t=!0}this.remoteTextTrackEls().addTrackElement_(n);this.remoteTextTracks().addTrack(n.track);if(!0!==t){this.ready(function(){return a.autoRemoteTextTracks_.addTrack(n.track)})}return n};r.removeRemoteTextTrack=function(e){var t=this.remoteTextTrackEls().getTrackElementByTrack_(e);this.remoteTextTrackEls().removeTrackElement_(t);this.remoteTextTracks().removeTrack(e);this.autoRemoteTextTracks_.removeTrack(e)};r.getVideoPlaybackQuality=function(){return{}};r.requestPictureInPicture=function(){var t=this.options_.Promise||e.Promise;if(t){return t.reject()}};r.setPoster=function(){};r.playsinline=function(){};r.setPlaysinline=function(){};r.overrideNativeAudioTracks=function(){};r.overrideNativeVideoTracks=function(){};r.canPlayType=function(){return""};n.canPlayType=function(){return""};n.canPlaySource=function(e){return n.canPlayType(e.type)};n.isTech=function(e){return e.prototype instanceof n||e instanceof n||e===n};n.registerTech=function(e,t){if(!n.techs_){n.techs_={}}if(!n.isTech(t)){throw new Error("Tech "+e+" must be a Tech")}if(!n.canPlayType){throw new Error("Techs must have a static canPlayType method on them")}if(!n.canPlaySource){throw new Error("Techs must have a static canPlaySource method on them")}e=je(e);n.techs_[e]=t;n.techs_[Be(e)]=t;if("Tech"!==e){n.defaultTechOrder_.push(e)}return t};n.getTech=function(t){if(!t){return}if(n.techs_&&n.techs_[t]){return n.techs_[t]}t=je(t);if(e&&e.videojs&&e.videojs[t]){s.warn("The "+t+" tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)");return e.videojs[t]}};return n}(qe);ka.names.forEach(function(e){var t=ka[e];sn.prototype[t.getterName]=function(){this[t.privateName]=this[t.privateName]||new t.ListClass;return this[t.privateName]}});sn.prototype.featuresVolumeControl=!0;sn.prototype.featuresMuteControl=!0;sn.prototype.featuresFullscreenResize=!1;sn.prototype.featuresPlaybackRate=!1;sn.prototype.featuresProgressEvents=!1;sn.prototype.featuresSourceset=!1;sn.prototype.featuresTimeupdateEvents=!1;sn.prototype.featuresNativeTextTracks=!1;sn.withSourceHandlers=function(e){e.registerSourceHandler=function(t,a){var n=e.sourceHandlers;if(!n){n=e.sourceHandlers=[]}if(a===void 0){a=n.length}n.splice(a,0,t)};e.canPlayType=function(t){for(var a=e.sourceHandlers||[],n,r=0;r<a.length;r++){n=a[r].canPlayType(t);if(n){return n}}return""};e.selectSourceHandler=function(t,a){for(var n=e.sourceHandlers||[],r,s=0;s<n.length;s++){r=n[s].canHandleSource(t,a);if(r){return n[s]}}return null};e.canPlaySource=function(t,a){var n=e.selectSourceHandler(t,a);if(n){return n.canHandleSource(t,a)}return""};["seekable","seeking","duration"].forEach(function(e){var t=this[e];if("function"!=typeof t){return}this[e]=function(){if(this.sourceHandler_&&this.sourceHandler_[e]){return this.sourceHandler_[e].apply(this.sourceHandler_,arguments)}return t.apply(this,arguments)}},e.prototype);e.prototype.setSource=function(t){var a=e.selectSourceHandler(t,this.options_);if(!a){if(e.nativeSourceHandler){a=e.nativeSourceHandler}else{s.error("No source handler found for the current source.")}}this.disposeSourceHandler();this.off("dispose",this.disposeSourceHandler);if(a!==e.nativeSourceHandler){this.currentSource_=t}this.sourceHandler_=a.handleSource(t,this,this.options_);this.one("dispose",this.disposeSourceHandler)};e.prototype.disposeSourceHandler=function(){if(this.currentSource_){this.clearTracks(["audio","video"]);this.currentSource_=null}this.cleanupAutoTextTracks();if(this.sourceHandler_){if(this.sourceHandler_.dispose){this.sourceHandler_.dispose()}this.sourceHandler_=null}}};qe.registerComponent("Tech",sn);sn.registerTech("Tech",sn);sn.defaultTechOrder_=[];var on={},ln={},dn={};function pn(e,t,a){e.setTimeout(function(){return Sn(t,on[t.type],a,e)},1)}function un(e,t){e.forEach(function(e){return e.setTech&&e.setTech(t)})}function cn(e,t,a){return e.reduceRight(fn(a),t[a]())}function mn(e,t,a,n){return t[a](e.reduce(fn(a),n))}function gn(e,t,a,n){if(void 0===n){n=null}var r="call"+je(a),i=e.reduce(fn(r),n),s=i===dn,o=s?null:t[a](i);Tn(e,a,o,s);return o}var yn={buffered:1,currentTime:1,duration:1,muted:1,played:1,paused:1,seekable:1,volume:1},hn={setCurrentTime:1,setMuted:1,setVolume:1},_n={play:1,pause:1};function fn(e){return function(t,a){if(t===dn){return dn}if(a[e]){return a[e](t)}return t}}function Tn(e,t,a,n){for(var r=e.length-1,s;0<=r;r--){s=e[r];if(s[t]){s[t](n,a)}}}function bn(e){ln[e.id()]=null}function vn(e,t){var a=ln[e.id()],n=null;if(a===void 0||null===a){n=t(e);ln[e.id()]=[[t,n]];return n}for(var r=0;r<a.length;r++){var s=a[r],o=s[0],l=s[1];if(o!==t){continue}n=l}if(null===n){n=t(e);a.push([t,n])}return n}function Sn(e,t,a,n,r,i){if(void 0===e){e={}}if(void 0===t){t=[]}if(void 0===r){r=[]}if(void 0===i){i=!1}var s=t,o=s[0],l=s.slice(1);if("string"==typeof o){Sn(e,on[o],a,n,r,i)}else if(o){var d=vn(n,o);if(!d.setSource){r.push(d);return Sn(e,l,a,n,r,i)}d.setSource(g({},e),function(t,s){if(t){return Sn(e,l,a,n,r,i)}r.push(d);Sn(s,e.type===s.type?l:on[s.type],a,n,r,i)})}else if(l.length){Sn(e,l,a,n,r,i)}else if(i){a(e,r)}else{Sn(e,on["*"],a,n,r,!0)}}var kn={opus:"video/ogg",ogv:"video/ogg",mp4:"video/mp4",mov:"video/mp4",m4v:"video/mp4",mkv:"video/x-matroska",m4a:"audio/mp4",mp3:"audio/mpeg",aac:"audio/aac",oga:"audio/ogg",m3u8:"application/x-mpegURL",jpg:"image/jpeg",jpeg:"image/jpeg",gif:"image/gif",png:"image/png",svg:"image/svg+xml",webp:"image/webp"},Cn=function(e){if(void 0===e){e=""}var t=ta(e),a=kn[t.toLowerCase()];return a||""},En=function(e,t){if(!t){return""}if(e.cache_.source.src===t&&e.cache_.source.type){return e.cache_.source.type}var a=e.cache_.sources.filter(function(e){return e.src===t});if(a.length){return a[0].type}for(var n=e.$$("source"),r=0,o;r<n.length;r++){o=n[r];if(o.type&&o.src&&o.src===t){return o.type}}return Cn(t)},In=function t(e){if(Array.isArray(e)){var a=[];e.forEach(function(e){e=t(e);if(Array.isArray(e)){a=a.concat(e)}else if(y(e)){a.push(e)}});e=a}else if("string"==typeof e&&e.trim()){e=[xn({src:e})]}else if(y(e)&&"string"==typeof e.src&&e.src&&e.src.trim()){e=[xn(e)]}else{e=[]}return e};function xn(e){if(!e.type){var t=Cn(e.src);if(t){e.type=t}}return e}var Ln=function(e){Ge(t,e);function t(t,a,n){var r,s=He({createEl:!1},a);r=e.call(this,t,s,n)||this;if(!a.playerOptions.sources||0===a.playerOptions.sources.length){for(var o=0,l=a.playerOptions.techOrder;o<l.length;o++){var d=je(l[o]),p=sn.getTech(d);if(!d){p=qe.getComponent(d)}if(p&&p.isSupported()){t.loadTech_(d);break}}}else{t.src(a.playerOptions.sources)}return r}return t}(qe);qe.registerComponent("MediaLoader",Ln);var Pn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.emitTapEvents();n.enable();return n}var a=t.prototype;a.createEl=function(t,a,n){if(void 0===t){t="div"}if(void 0===a){a={}}if(void 0===n){n={}}a=g({innerHTML:"<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>",className:this.buildCSSClass(),tabIndex:0},a);if("button"===t){s.error("Creating a ClickableComponent with an HTML element of "+t+" is not supported; use a Button instead.")}n=g({role:"button"},n);this.tabIndex_=a.tabIndex;var r=e.prototype.createEl.call(this,t,a,n);this.createControlTextEl(r);return r};a.dispose=function(){this.controlTextEl_=null;e.prototype.dispose.call(this)};a.createControlTextEl=function(e){this.controlTextEl_=E("span",{className:"vjs-control-text"},{"aria-live":"polite"});if(e){e.appendChild(this.controlTextEl_)}this.controlText(this.controlText_,e);return this.controlTextEl_};a.controlText=function(e,t){if(void 0===t){t=this.el()}if(e===void 0){return this.controlText_||"Need Text"}var a=this.localize(e);this.controlText_=e;I(this.controlTextEl_,a);if(!this.nonIconControl){t.setAttribute("title",a)}};a.buildCSSClass=function(){return"vjs-control vjs-button "+e.prototype.buildCSSClass.call(this)};a.enable=function(){if(!this.enabled_){this.enabled_=!0;this.removeClass("vjs-disabled");this.el_.setAttribute("aria-disabled","false");if("undefined"!=typeof this.tabIndex_){this.el_.setAttribute("tabIndex",this.tabIndex_)}this.on(["tap","click"],this.handleClick);this.on("keydown",this.handleKeyDown)}};a.disable=function(){this.enabled_=!1;this.addClass("vjs-disabled");this.el_.setAttribute("aria-disabled","true");if("undefined"!=typeof this.tabIndex_){this.el_.removeAttribute("tabIndex")}this.off("mouseover",this.handleMouseOver);this.off("mouseout",this.handleMouseOut);this.off(["tap","click"],this.handleClick);this.off("keydown",this.handleKeyDown)};a.handleClick=function(){if(this.options_.clickHandler){this.options_.clickHandler.call(this,arguments)}};a.handleKeyDown=function(t){if(wt.isEventKey(t,"Space")||wt.isEventKey(t,"Enter")){t.preventDefault();t.stopPropagation();this.trigger("click")}else{e.prototype.handleKeyDown.call(this,t)}};return t}(qe);qe.registerComponent("ClickableComponent",Pn);var Dn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update();t.on("posterchange",ve(Ve(n),n.update));return n}var a=t.prototype;a.dispose=function(){this.player().off("posterchange",this.update);e.prototype.dispose.call(this)};a.createEl=function(){var e=E("div",{className:"vjs-poster",tabIndex:-1});return e};a.update=function(){var e=this.player().poster();this.setSrc(e);if(e){this.show()}else{this.hide()}};a.setSrc=function(e){var t="";if(e){t="url(\""+e+"\")"}this.el_.style.backgroundImage=t};a.handleClick=function(){if(!this.player_.controls()){return}var e=this.player_.usingPlugin("eme")&&this.player_.eme.sessions&&0<this.player_.eme.sessions.length;if(this.player_.tech(!0)&&!((it||at)&&e)){this.player_.tech(!0).focus()}if(this.player_.paused()){Lt(this.player_.play())}else{this.player_.pause()}};return t}(Pn);qe.registerComponent("PosterImage",Dn);var wn="#ccc",An={monospace:"monospace",sansSerif:"sans-serif",serif:"serif",monospaceSansSerif:"\"Andale Mono\", \"Lucida Console\", monospace",monospaceSerif:"\"Courier New\", monospace",proportionalSansSerif:"sans-serif",proportionalSerif:"serif",casual:"\"Comic Sans MS\", Impact, fantasy",script:"\"Monotype Corsiva\", cursive",smallcaps:"\"Andale Mono\", \"Lucida Console\", monospace, sans-serif"};function On(e,t){var a;if(4===e.length){a=e[1]+e[1]+e[2]+e[2]+e[3]+e[3]}else if(7===e.length){a=e.slice(1)}else{throw new Error("Invalid color code provided, "+e+"; must be formatted as e.g. #f0e or #f604e2.")}return"rgba("+parseInt(a.slice(0,2),16)+","+parseInt(a.slice(2,4),16)+","+parseInt(a.slice(4,6),16)+","+t+")"}function Rn(e,t,a){try{e.style[t]=a}catch(t){}}var Nn=function(t){Ge(a,t);function a(a,n,r){var i=t.call(this,a,n,r)||this;var s=ve(Ve(i),i.updateDisplay);a.on("loadstart",ve(Ve(i),i.toggleDisplay));a.on("texttrackchange",s);a.on("loadedmetadata",ve(Ve(i),i.preselectTrack));a.ready(ve(Ve(i),function(){if(a.tech_&&a.tech_.featuresNativeTextTracks){this.hide();return}a.on("fullscreenchange",s);a.on("playerresize",s);e.addEventListener("orientationchange",s);a.on("dispose",function(){return e.removeEventListener("orientationchange",s)});for(var t=this.options_.playerOptions.tracks||[],n=0;n<t.length;n++){this.player_.addRemoteTextTrack(t[n],!0)}this.preselectTrack()}));return i}var n=a.prototype;n.preselectTrack=function(){for(var e={captions:1,subtitles:1},t=this.player_.textTracks(),a=this.player_.cache_.selectedLanguage,n,r,s,o=0,l;o<t.length;o++){l=t[o];if(a&&a.enabled&&a.language&&a.language===l.language&&l.kind in e){if(l.kind===a.kind){s=l}else if(!s){s=l}}else if(a&&!a.enabled){s=null;n=null;r=null}else if(l["default"]){if("descriptions"===l.kind&&!n){n=l}else if(l.kind in e&&!r){r=l}}}if(s){s.mode="showing"}else if(r){r.mode="showing"}else if(n){n.mode="showing"}};n.toggleDisplay=function(){if(this.player_.tech_&&this.player_.tech_.featuresNativeTextTracks){this.hide()}else{this.show()}};n.createEl=function(){return t.prototype.createEl.call(this,"div",{className:"vjs-text-track-display"},{"aria-live":"off","aria-atomic":"true"})};n.clearDisplay=function(){if("function"==typeof e.WebVTT){e.WebVTT.processCues(e,[],this.el_)}};n.updateDisplay=function(){var e=this.player_.textTracks(),t=this.options_.allowMultipleShowingTracks;this.clearDisplay();if(t){for(var a=[],n=0,r;n<e.length;++n){r=e[n];if("showing"!==r.mode){continue}a.push(r)}this.updateForTrack(a);return}var s=null,o=null,l=e.length;while(l--){var d=e[l];if("showing"===d.mode){if("descriptions"===d.kind){s=d}else{o=d}}}if(o){if("off"!==this.getAttribute("aria-live")){this.setAttribute("aria-live","off")}this.updateForTrack(o)}else if(s){if("assertive"!==this.getAttribute("aria-live")){this.setAttribute("aria-live","assertive")}this.updateForTrack(s)}};n.updateDisplayState=function(t){var a=this.player_.textTrackSettings.getValues(),n=t.activeCues,r=n.length;while(r--){var s=n[r];if(!s){continue}var o=s.displayState;if(a.color){o.firstChild.style.color=a.color}if(a.textOpacity){Rn(o.firstChild,"color",On(a.color||"#fff",a.textOpacity))}if(a.backgroundColor){o.firstChild.style.backgroundColor=a.backgroundColor}if(a.backgroundOpacity){Rn(o.firstChild,"backgroundColor",On(a.backgroundColor||"#000",a.backgroundOpacity))}if(a.windowColor){if(a.windowOpacity){Rn(o,"backgroundColor",On(a.windowColor,a.windowOpacity))}else{o.style.backgroundColor=a.windowColor}}if(a.edgeStyle){if("dropshadow"===a.edgeStyle){o.firstChild.style.textShadow="2px 2px 3px #222, 2px 2px 4px #222, 2px 2px 5px #222"}else if("raised"===a.edgeStyle){o.firstChild.style.textShadow="1px 1px #222, 2px 2px #222, 3px 3px #222"}else if("depressed"===a.edgeStyle){o.firstChild.style.textShadow="1px 1px "+wn+", 0 1px "+wn+", -1px -1px "+"#222"+", 0 -1px "+"#222"}else if("uniform"===a.edgeStyle){o.firstChild.style.textShadow="0 0 4px #222, 0 0 4px #222, 0 0 4px #222, 0 0 4px #222"}}if(a.fontPercent&&1!==a.fontPercent){var l=e.parseFloat(o.style.fontSize);o.style.fontSize=l*a.fontPercent+"px";o.style.height="auto";o.style.top="auto";o.style.bottom="2px"}if(a.fontFamily&&"default"!==a.fontFamily){if("small-caps"===a.fontFamily){o.firstChild.style.fontVariant="small-caps"}else{o.firstChild.style.fontFamily=An[a.fontFamily]}}}};n.updateForTrack=function(t){if(!Array.isArray(t)){t=[t]}if("function"!=typeof e.WebVTT||t.every(function(e){return!e.activeCues})){return}for(var a=[],n=0,r;n<t.length;++n){r=t[n];for(var s=0;s<r.activeCues.length;++s){a.push(r.activeCues[s])}}e.WebVTT.processCues(e,a,this.el_);for(var o=0,l;o<t.length;++o){l=t[o];for(var d=0,p;d<l.activeCues.length;++d){p=l.activeCues[d].displayState;P(p,"vjs-text-track-cue");P(p,"vjs-text-track-cue-"+(l.language?l.language:o))}if(this.player_.textTrackSettings){this.updateDisplayState(l)}}};return a}(qe);qe.registerComponent("TextTrackDisplay",Nn);var Un=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){var t=this.player_.isAudio(),a=this.localize(t?"Audio Player":"Video Player"),n=E("span",{className:"vjs-control-text",innerHTML:this.localize("{1} is loading.",[a])}),r=e.prototype.createEl.call(this,"div",{className:"vjs-loading-spinner",dir:"ltr"});r.appendChild(n);return r};return t}(qe);qe.registerComponent("LoadingSpinner",Un);var Mn=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(e,t,a){if(void 0===t){t={}}if(void 0===a){a={}}e="button";t=g({innerHTML:"<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>",className:this.buildCSSClass()},t);a=g({type:"button"},a);var n=qe.prototype.createEl.call(this,e,t,a);this.createControlTextEl(n);return n};a.addChild=function(e,t){if(void 0===t){t={}}var a=this.constructor.name;s.warn("Adding an actionable (user controllable) child to a Button ("+a+") is not supported; use a ClickableComponent instead.");return qe.prototype.addChild.call(this,e,t)};a.enable=function(){e.prototype.enable.call(this);this.el_.removeAttribute("disabled")};a.disable=function(){e.prototype.disable.call(this);this.el_.setAttribute("disabled","disabled")};a.handleKeyDown=function(t){if(wt.isEventKey(t,"Space")||wt.isEventKey(t,"Enter")){t.stopPropagation();return}e.prototype.handleKeyDown.call(this,t)};return t}(Pn);qe.registerComponent("Button",Mn);var Bn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.mouseused_=!1;n.on("mousedown",n.handleMouseDown);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-big-play-button"};a.handleClick=function(e){var t=this.player_.play();if(this.mouseused_&&e.clientX&&e.clientY){var a=this.player_.usingPlugin("eme")&&this.player_.eme.sessions&&0<this.player_.eme.sessions.length;Lt(t);if(this.player_.tech(!0)&&!((it||at)&&a)){this.player_.tech(!0).focus()}return}var n=this.player_.getChild("controlBar"),r=n&&n.getChild("playToggle");if(!r){this.player_.tech(!0).focus();return}var i=function(){return r.focus()};if(xt(t)){t.then(i,function(){})}else{this.setTimeout(i,1)}};a.handleKeyDown=function(t){this.mouseused_=!1;e.prototype.handleKeyDown.call(this,t)};a.handleMouseDown=function(){this.mouseused_=!0};return t}(Mn);Bn.prototype.controlText_="Play Video";qe.registerComponent("BigPlayButton",Bn);var jn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.controlText(a&&a.controlText||n.localize("Close"));return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-close-button "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){this.trigger({type:"close",bubbles:!1})};a.handleKeyDown=function(t){if(wt.isEventKey(t,"Esc")){t.preventDefault();t.stopPropagation();this.trigger("click")}else{e.prototype.handleKeyDown.call(this,t)}};return t}(Mn);qe.registerComponent("CloseButton",jn);var Fn=function(e){Ge(t,e);function t(t,a){var n;if(void 0===a){a={}}n=e.call(this,t,a)||this;a.replay=a.replay===void 0||a.replay;n.on(t,"play",n.handlePlay);n.on(t,"pause",n.handlePause);if(a.replay){n.on(t,"ended",n.handleEnded)}return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-play-control "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){if(this.player_.paused()){this.player_.play()}else{this.player_.pause()}};a.handleSeeked=function(e){this.removeClass("vjs-ended");if(this.player_.paused()){this.handlePause(e)}else{this.handlePlay(e)}};a.handlePlay=function(){this.removeClass("vjs-ended");this.removeClass("vjs-paused");this.addClass("vjs-playing");this.controlText("Pause")};a.handlePause=function(){this.removeClass("vjs-playing");this.addClass("vjs-paused");this.controlText("Play")};a.handleEnded=function(){this.removeClass("vjs-playing");this.addClass("vjs-ended");this.controlText("Replay");this.one(this.player_,"seeked",this.handleSeeked)};return t}(Mn);Fn.prototype.controlText_="Play";qe.registerComponent("PlayToggle",Fn);var Hn=function(e,t){e=0>e?0:e;var a=Math.floor(e%60),n=Math.floor(e/60%60),r=Math.floor(e/3600),i=Math.floor(t/60%60),o=Math.floor(t/3600);if(isNaN(e)||e===1/0){r=n=a="-"}r=0<r||0<o?r+":":"";n=((r||10<=i)&&10>n?"0"+n:n)+":";a=10>a?"0"+a:a;return r+n+a},qn=Hn;function Vn(e,t){if(void 0===t){t=e}return qn(e,t)}var Wn=function(e){Ge(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.on(t,["timeupdate","ended"],n.updateContent);n.updateTextNode_();return n}var n=a.prototype;n.createEl=function(){var t=this.buildCSSClass(),a=e.prototype.createEl.call(this,"div",{className:t+" vjs-time-control vjs-control",innerHTML:"<span class=\"vjs-control-text\" role=\"presentation\">"+this.localize(this.labelText_)+"\xA0</span>"});this.contentEl_=E("span",{className:t+"-display"},{"aria-live":"off",role:"presentation"});a.appendChild(this.contentEl_);return a};n.dispose=function(){this.contentEl_=null;this.textNode_=null;e.prototype.dispose.call(this)};n.updateTextNode_=function(e){var a=this;if(void 0===e){e=0}e=Vn(e);if(this.formattedTime_===e){return}this.formattedTime_=e;this.requestAnimationFrame(function(){if(!a.contentEl_){return}var e=a.textNode_;a.textNode_=t.createTextNode(a.formattedTime_);if(!a.textNode_){return}if(e){a.contentEl_.replaceChild(a.textNode_,e)}else{a.contentEl_.appendChild(a.textNode_)}})};n.updateContent=function(){};return a}(qe);Wn.prototype.labelText_="Time";Wn.prototype.controlText_="Time";qe.registerComponent("TimeDisplay",Wn);var zn=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-current-time"};a.updateContent=function(){var e;if(this.player_.ended()){e=this.player_.duration()}else{e=this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime()}this.updateTextNode_(e)};return t}(Wn);zn.prototype.labelText_="Current Time";zn.prototype.controlText_="Current Time";qe.registerComponent("CurrentTimeDisplay",zn);var Gn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"durationchange",n.updateContent);n.on(t,"loadstart",n.updateContent);n.on(t,"loadedmetadata",n.updateContent);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-duration"};a.updateContent=function(){var e=this.player_.duration();this.updateTextNode_(e)};return t}(Wn);Gn.prototype.labelText_="Duration";Gn.prototype.controlText_="Duration";qe.registerComponent("DurationDisplay",Gn);var Kn=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-time-control vjs-time-divider",innerHTML:"<div><span>/</span></div>"},{"aria-hidden":!0})};return t}(qe);qe.registerComponent("TimeDivider",Kn);var Yn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"durationchange",n.updateContent);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-remaining-time"};a.createEl=function(){var t=e.prototype.createEl.call(this);t.insertBefore(E("span",{},{"aria-hidden":!0},"-"),this.contentEl_);return t};a.updateContent=function(){if("number"!=typeof this.player_.duration()){return}var e;if(this.player_.ended()){e=0}else if(this.player_.remainingTimeDisplay){e=this.player_.remainingTimeDisplay()}else{e=this.player_.remainingTime()}this.updateTextNode_(e)};return t}(Wn);Yn.prototype.labelText_="Remaining Time";Yn.prototype.controlText_="Remaining Time";qe.registerComponent("RemainingTimeDisplay",Yn);var Xn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateShowing();n.on(n.player(),"durationchange",n.updateShowing);return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this,"div",{className:"vjs-live-control vjs-control"});this.contentEl_=E("div",{className:"vjs-live-display",innerHTML:"<span class=\"vjs-control-text\">"+this.localize("Stream Type")+"\xA0</span>"+this.localize("LIVE")},{"aria-live":"off"});t.appendChild(this.contentEl_);return t};a.dispose=function(){this.contentEl_=null;e.prototype.dispose.call(this)};a.updateShowing=function(){if(this.player().duration()===1/0){this.show()}else{this.hide()}};return t}(qe);qe.registerComponent("LiveDisplay",Xn);var $n=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateLiveEdgeStatus();if(n.player_.liveTracker){n.on(n.player_.liveTracker,"liveedgechange",n.updateLiveEdgeStatus)}return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this,"button",{className:"vjs-seek-to-live-control vjs-control"});this.textEl_=E("span",{className:"vjs-seek-to-live-text",innerHTML:this.localize("LIVE")},{"aria-hidden":"true"});t.appendChild(this.textEl_);return t};a.updateLiveEdgeStatus=function(){if(!this.player_.liveTracker||this.player_.liveTracker.atLiveEdge()){this.setAttribute("aria-disabled",!0);this.addClass("vjs-at-live-edge");this.controlText("Seek to live, currently playing live")}else{this.setAttribute("aria-disabled",!1);this.removeClass("vjs-at-live-edge");this.controlText("Seek to live, currently behind live")}};a.handleClick=function(){this.player_.liveTracker.seekToLiveEdge()};a.dispose=function(){if(this.player_.liveTracker){this.off(this.player_.liveTracker,"liveedgechange",this.updateLiveEdgeStatus)}this.textEl_=null;e.prototype.dispose.call(this)};return t}(Mn);$n.prototype.controlText_="Seek to live, currently playing live";qe.registerComponent("SeekToLive",$n);var Qn=function(e,t,a){e=+e;return Math.min(a,Math.max(t,isNaN(e)?t:e))},Jn=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.bar=n.getChild(n.options_.barName);n.vertical(!!n.options_.vertical);n.enable();return n}var a=t.prototype;a.enabled=function(){return this.enabled_};a.enable=function(){if(this.enabled()){return}this.on("mousedown",this.handleMouseDown);this.on("touchstart",this.handleMouseDown);this.on("keydown",this.handleKeyDown);this.on("click",this.handleClick);this.on(this.player_,"controlsvisible",this.update);if(this.playerEvent){this.on(this.player_,this.playerEvent,this.update)}this.removeClass("disabled");this.setAttribute("tabindex",0);this.enabled_=!0};a.disable=function(){if(!this.enabled()){return}var e=this.bar.el_.ownerDocument;this.off("mousedown",this.handleMouseDown);this.off("touchstart",this.handleMouseDown);this.off("keydown",this.handleKeyDown);this.off("click",this.handleClick);this.off(this.player_,"controlsvisible",this.update);this.off(e,"mousemove",this.handleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchmove",this.handleMouseMove);this.off(e,"touchend",this.handleMouseUp);this.removeAttribute("tabindex");this.addClass("disabled");if(this.playerEvent){this.off(this.player_,this.playerEvent,this.update)}this.enabled_=!1};a.createEl=function(t,a,n){if(void 0===a){a={}}if(void 0===n){n={}}a.className=a.className+" vjs-slider";a=g({tabIndex:0},a);n=g({role:"slider","aria-valuenow":0,"aria-valuemin":0,"aria-valuemax":100,tabIndex:0},n);return e.prototype.createEl.call(this,t,a,n)};a.handleMouseDown=function(e){var t=this.bar.el_.ownerDocument;if("mousedown"===e.type){e.preventDefault()}if("touchstart"===e.type&&!nt){e.preventDefault()}M();this.addClass("vjs-sliding");this.trigger("slideractive");this.on(t,"mousemove",this.handleMouseMove);this.on(t,"mouseup",this.handleMouseUp);this.on(t,"touchmove",this.handleMouseMove);this.on(t,"touchend",this.handleMouseUp);this.handleMouseMove(e)};a.handleMouseMove=function(){};a.handleMouseUp=function(){var e=this.bar.el_.ownerDocument;B();this.removeClass("vjs-sliding");this.trigger("sliderinactive");this.off(e,"mousemove",this.handleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchmove",this.handleMouseMove);this.off(e,"touchend",this.handleMouseUp);this.update()};a.update=function(){var e=this;if(!this.el_||!this.bar){return}var t=this.getProgress();if(t===this.progress_){return t}this.progress_=t;this.requestAnimationFrame(function(){var a=e.vertical()?"height":"width";e.bar.el().style[a]=(100*t).toFixed(2)+"%"});return t};a.getProgress=function(){return+Qn(this.getPercent(),0,1).toFixed(4)};a.calculateDistance=function(e){var t=H(this.el_,e);if(this.vertical()){return t.y}return t.x};a.handleKeyDown=function(t){if(wt.isEventKey(t,"Left")||wt.isEventKey(t,"Down")){t.preventDefault();t.stopPropagation();this.stepBack()}else if(wt.isEventKey(t,"Right")||wt.isEventKey(t,"Up")){t.preventDefault();t.stopPropagation();this.stepForward()}else{e.prototype.handleKeyDown.call(this,t)}};a.handleClick=function(e){e.stopPropagation();e.preventDefault()};a.vertical=function(e){if(e===void 0){return this.vertical_||!1}this.vertical_=!!e;if(this.vertical_){this.addClass("vjs-slider-vertical")}else{this.addClass("vjs-slider-horizontal")}};return t}(qe);qe.registerComponent("Slider",Jn);var Zn=function(e,t){return Qn(100*(e/t),0,100).toFixed(2)+"%"},er=function(e){Ge(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.partEls_=[];n.on(t,"progress",n.update);return n}var n=a.prototype;n.createEl=function(){var a=e.prototype.createEl.call(this,"div",{className:"vjs-load-progress"}),n=E("span",{className:"vjs-control-text"}),r=E("span",{textContent:this.localize("Loaded")}),i=t.createTextNode(": ");this.percentageEl_=E("span",{className:"vjs-control-text-loaded-percentage",textContent:"0%"});a.appendChild(n);n.appendChild(r);n.appendChild(i);n.appendChild(this.percentageEl_);return a};n.dispose=function(){this.partEls_=null;this.percentageEl_=null;e.prototype.dispose.call(this)};n.update=function(){var e=this;this.requestAnimationFrame(function(){var t=e.player_.liveTracker,a=e.player_.buffered(),n=t&&t.isLive()?t.seekableEnd():e.player_.duration(),r=e.player_.bufferedEnd(),s=e.partEls_,o=Zn(r,n);if(e.percent_!==o){e.el_.style.width=o;I(e.percentageEl_,o);e.percent_=o}for(var l=0;l<a.length;l++){var d=a.start(l),p=a.end(l),u=s[l];if(!u){u=e.el_.appendChild(E());s[l]=u}if(u.dataset.start===d&&u.dataset.end===p){continue}u.dataset.start=d;u.dataset.end=p;u.style.left=Zn(d,r);u.style.width=Zn(p-d,r)}for(var c=s.length;c>a.length;c--){e.el_.removeChild(s[c-1])}s.length=a.length})};return a}(qe);qe.registerComponent("LoadProgressBar",er);var tr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Se(ve(Ve(n),n.update),be);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-time-tooltip"},{"aria-hidden":"true"})};a.update=function(e,t,a){var n=j(this.el_),r=j(this.player_.el()),i=e.width*t;if(!r||!n){return}var s=e.left-r.left+i,o=e.width-i+(r.right-e.right),l=n.width/2;if(s<l){l+=l-s}else if(o<l){l=o}if(0>l){l=0}else if(l>n.width){l=n.width}this.el_.style.right="-"+l+"px";this.write(a)};a.write=function(e){I(this.el_,e)};a.updateTime=function(e,t,a,n){var r=this;if(this.rafId_){this.cancelAnimationFrame(this.rafId_)}this.rafId_=this.requestAnimationFrame(function(){var i,s=r.player_.duration();if(r.player_.liveTracker&&r.player_.liveTracker.isLive()){var o=r.player_.liveTracker.liveWindow(),l=o-t*o;i=(1>l?"":"-")+Vn(l,o)}else{i=Vn(a,s)}r.update(e,t,i);if(n){n()}})};return t}(qe);qe.registerComponent("TimeTooltip",tr);var ar=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Se(ve(Ve(n),n.update),be);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-play-progress vjs-slider-bar"},{"aria-hidden":"true"})};a.update=function(e,t){var a=this.getChild("timeTooltip");if(!a){return}var n=this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime();a.updateTime(e,t,n)};return t}(qe);ar.prototype.options_={children:[]};if(!ut&&!Je){ar.prototype.options_.children.push("timeTooltip")}qe.registerComponent("PlayProgressBar",ar);var nr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.update=Se(ve(Ve(n),n.update),be);return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-mouse-display"})};a.update=function(e,t){var a=this,n=t*this.player_.duration();this.getChild("timeTooltip").updateTime(e,t,n,function(){a.el_.style.left=e.width*t+"px"})};return t}(qe);nr.prototype.options_={children:["timeTooltip"]};qe.registerComponent("MouseTimeDisplay",nr);var rr=12,ir=function(e){Ge(a,e);function a(t,a){var n=e.call(this,t,a)||this;n.setEventHandlers_();return n}var n=a.prototype;n.setEventHandlers_=function(){this.update_=ve(this,this.update);this.update=Se(this.update_,be);this.on(this.player_,["ended","durationchange","timeupdate"],this.update);if(this.player_.liveTracker){this.on(this.player_.liveTracker,"liveedgechange",this.update)}this.updateInterval=null;this.on(this.player_,["playing"],this.enableInterval_);this.on(this.player_,["ended","pause","waiting"],this.disableInterval_);if("hidden"in t&&"visibilityState"in t){this.on(t,"visibilitychange",this.toggleVisibility_)}};n.toggleVisibility_=function(a){if(t.hidden){this.disableInterval_(a)}else{this.enableInterval_();this.update()}};n.enableInterval_=function(){if(this.updateInterval){return}this.updateInterval=this.setInterval(this.update,be)};n.disableInterval_=function(t){if(this.player_.liveTracker&&this.player_.liveTracker.isLive()&&"ended"!==t.type){return}if(!this.updateInterval){return}this.clearInterval(this.updateInterval);this.updateInterval=null};n.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-progress-holder"},{"aria-label":this.localize("Progress Bar")})};n.update=function(){var t=this,a=e.prototype.update.call(this);this.requestAnimationFrame(function(){var e=t.player_.ended()?t.player_.duration():t.getCurrentTime_(),n=t.player_.liveTracker,r=t.player_.duration();if(n&&n.isLive()){r=t.player_.liveTracker.liveCurrentTime()}if(t.percent_!==a){t.el_.setAttribute("aria-valuenow",(100*a).toFixed(2));t.percent_=a}if(t.currentTime_!==e||t.duration_!==r){t.el_.setAttribute("aria-valuetext",t.localize("progress bar timing: currentTime={1} duration={2}",[Vn(e,r),Vn(r,r)],"{1} of {2}"));t.currentTime_=e;t.duration_=r}if(t.bar){t.bar.update(j(t.el()),t.getProgress())}});return a};n.getCurrentTime_=function(){return this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime()};n.getPercent=function(){var e=this.getCurrentTime_(),t,a=this.player_.liveTracker;if(a&&a.isLive()){t=(e-a.seekableStart())/a.liveWindow();if(a.atLiveEdge()){t=1}}else{t=e/this.player_.duration()}return t};n.handleMouseDown=function(t){if(!K(t)){return}t.stopPropagation();this.player_.scrubbing(!0);this.videoWasPlaying=!this.player_.paused();this.player_.pause();e.prototype.handleMouseDown.call(this,t)};n.handleMouseMove=function(e){if(!K(e)){return}var t,a=this.calculateDistance(e),n=this.player_.liveTracker;if(!n||!n.isLive()){t=a*this.player_.duration();if(t===this.player_.duration()){t=t-.1}}else{var r=n.seekableStart(),i=n.liveCurrentTime();t=r+a*n.liveWindow();if(t>=i){t=i}if(t<=r){t=r+.1}if(t===1/0){return}}this.player_.currentTime(t)};n.enable=function(){e.prototype.enable.call(this);var t=this.getChild("mouseTimeDisplay");if(!t){return}t.show()};n.disable=function(){e.prototype.disable.call(this);var t=this.getChild("mouseTimeDisplay");if(!t){return}t.hide()};n.handleMouseUp=function(t){e.prototype.handleMouseUp.call(this,t);if(t){t.stopPropagation()}this.player_.scrubbing(!1);this.player_.trigger({type:"timeupdate",target:this,manuallyTriggered:!0});if(this.videoWasPlaying){Lt(this.player_.play())}else{this.update_()}};n.stepForward=function(){this.player_.currentTime(this.player_.currentTime()+5)};n.stepBack=function(){this.player_.currentTime(this.player_.currentTime()-5)};n.handleAction=function(){if(this.player_.paused()){this.player_.play()}else{this.player_.pause()}};n.handleKeyDown=function(t){if(wt.isEventKey(t,"Space")||wt.isEventKey(t,"Enter")){t.preventDefault();t.stopPropagation();this.handleAction(t)}else if(wt.isEventKey(t,"Home")){t.preventDefault();t.stopPropagation();this.player_.currentTime(0)}else if(wt.isEventKey(t,"End")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.duration())}else if(/^[0-9]$/.test(wt(t))){t.preventDefault();t.stopPropagation();var a=10*(wt.codes[wt(t)]-wt.codes[0])/100;this.player_.currentTime(this.player_.duration()*a)}else if(wt.isEventKey(t,"PgDn")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.currentTime()-5*rr)}else if(wt.isEventKey(t,"PgUp")){t.preventDefault();t.stopPropagation();this.player_.currentTime(this.player_.currentTime()+5*rr)}else{e.prototype.handleKeyDown.call(this,t)}};return a}(Jn);ir.prototype.options_={children:["loadProgressBar","playProgressBar"],barName:"playProgressBar"};if(!ut&&!Je){ir.prototype.options_.children.splice(1,0,"mouseTimeDisplay")}qe.registerComponent("SeekBar",ir);var sr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.handleMouseMove=Se(ve(Ve(n),n.handleMouseMove),be);n.throttledHandleMouseSeek=Se(ve(Ve(n),n.handleMouseSeek),be);n.enable();return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-progress-control vjs-control"})};a.handleMouseMove=function(e){var t=this.getChild("seekBar");if(!t){return}var a=t.getChild("playProgressBar"),n=t.getChild("mouseTimeDisplay");if(!a&&!n){return}var r=t.el(),i=j(r),s=H(r,e).x;s=Qn(0,1,s);if(n){n.update(i,s)}if(a){a.update(i,t.getProgress())}};a.handleMouseSeek=function(e){var t=this.getChild("seekBar");if(t){t.handleMouseMove(e)}};a.enabled=function(){return this.enabled_};a.disable=function(){this.children().forEach(function(e){return e.disable&&e.disable()});if(!this.enabled()){return}this.off(["mousedown","touchstart"],this.handleMouseDown);this.off(this.el_,"mousemove",this.handleMouseMove);this.handleMouseUp();this.addClass("disabled");this.enabled_=!1};a.enable=function(){this.children().forEach(function(e){return e.enable&&e.enable()});if(this.enabled()){return}this.on(["mousedown","touchstart"],this.handleMouseDown);this.on(this.el_,"mousemove",this.handleMouseMove);this.removeClass("disabled");this.enabled_=!0};a.handleMouseDown=function(e){var t=this.el_.ownerDocument,a=this.getChild("seekBar");if(a){a.handleMouseDown(e)}this.on(t,"mousemove",this.throttledHandleMouseSeek);this.on(t,"touchmove",this.throttledHandleMouseSeek);this.on(t,"mouseup",this.handleMouseUp);this.on(t,"touchend",this.handleMouseUp)};a.handleMouseUp=function(e){var t=this.el_.ownerDocument,a=this.getChild("seekBar");if(a){a.handleMouseUp(e)}this.off(t,"mousemove",this.throttledHandleMouseSeek);this.off(t,"touchmove",this.throttledHandleMouseSeek);this.off(t,"mouseup",this.handleMouseUp);this.off(t,"touchend",this.handleMouseUp)};return t}(qe);sr.prototype.options_={children:["seekBar"]};qe.registerComponent("ProgressControl",sr);var or=function(e){Ge(a,e);function a(a,n){var r=e.call(this,a,n)||this;r.on(a,["enterpictureinpicture","leavepictureinpicture"],r.handlePictureInPictureChange);if(!t.pictureInPictureEnabled){r.disable()}return r}var n=a.prototype;n.buildCSSClass=function(){return"vjs-picture-in-picture-control "+e.prototype.buildCSSClass.call(this)};n.handlePictureInPictureChange=function(){if(this.player_.isInPictureInPicture()){this.controlText("Exit Picture-in-Picture")}else{this.controlText("Picture-in-Picture")}};n.handleClick=function(){if(!this.player_.isInPictureInPicture()){this.player_.requestPictureInPicture()}else{this.player_.exitPictureInPicture()}};return a}(Mn);or.prototype.controlText_="Picture-in-Picture";qe.registerComponent("PictureInPictureToggle",or);var lr=function(e){Ge(a,e);function a(a,n){var r=e.call(this,a,n)||this;r.on(a,"fullscreenchange",r.handleFullscreenChange);if(!1===t[a.fsApi_.fullscreenEnabled]){r.disable()}return r}var n=a.prototype;n.buildCSSClass=function(){return"vjs-fullscreen-control "+e.prototype.buildCSSClass.call(this)};n.handleFullscreenChange=function(){if(this.player_.isFullscreen()){this.controlText("Non-Fullscreen")}else{this.controlText("Fullscreen")}};n.handleClick=function(){if(!this.player_.isFullscreen()){this.player_.requestFullscreen()}else{this.player_.exitFullscreen()}};return a}(Mn);lr.prototype.controlText_="Fullscreen";qe.registerComponent("FullscreenToggle",lr);var dr=function(e,t){if(t.tech_&&!t.tech_.featuresVolumeControl){e.addClass("vjs-hidden")}e.on(t,"loadstart",function(){if(!t.tech_.featuresVolumeControl){e.addClass("vjs-hidden")}else{e.removeClass("vjs-hidden")}})},pr=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-volume-level",innerHTML:"<span class=\"vjs-control-text\"></span>"})};return t}(qe);qe.registerComponent("VolumeLevel",pr);var ur=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on("slideractive",n.updateLastVolume_);n.on(t,"volumechange",n.updateARIAAttributes);t.ready(function(){return n.updateARIAAttributes()});return n}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-volume-bar vjs-slider-bar"},{"aria-label":this.localize("Volume Level"),"aria-live":"polite"})};a.handleMouseDown=function(t){if(!K(t)){return}e.prototype.handleMouseDown.call(this,t)};a.handleMouseMove=function(e){if(!K(e)){return}this.checkMuted();this.player_.volume(this.calculateDistance(e))};a.checkMuted=function(){if(this.player_.muted()){this.player_.muted(!1)}};a.getPercent=function(){if(this.player_.muted()){return 0}return this.player_.volume()};a.stepForward=function(){this.checkMuted();this.player_.volume(this.player_.volume()+.1)};a.stepBack=function(){this.checkMuted();this.player_.volume(this.player_.volume()-.1)};a.updateARIAAttributes=function(){var e=this.player_.muted()?0:this.volumeAsPercentage_();this.el_.setAttribute("aria-valuenow",e);this.el_.setAttribute("aria-valuetext",e+"%")};a.volumeAsPercentage_=function(){return Math.round(100*this.player_.volume())};a.updateLastVolume_=function(){var e=this,t=this.player_.volume();this.one("sliderinactive",function(){if(0===e.player_.volume()){e.player_.lastVolume_(t)}})};return t}(Jn);ur.prototype.options_={children:["volumeLevel"],barName:"volumeLevel"};ur.prototype.playerEvent="volumechange";qe.registerComponent("VolumeBar",ur);var cr=function(e){Ge(t,e);function t(t,a){var n;if(void 0===a){a={}}a.vertical=a.vertical||!1;if("undefined"==typeof a.volumeBar||h(a.volumeBar)){a.volumeBar=a.volumeBar||{};a.volumeBar.vertical=a.vertical}n=e.call(this,t,a)||this;dr(Ve(n),t);n.throttledHandleMouseMove=Se(ve(Ve(n),n.handleMouseMove),be);n.on("mousedown",n.handleMouseDown);n.on("touchstart",n.handleMouseDown);n.on(n.volumeBar,["focus","slideractive"],function(){n.volumeBar.addClass("vjs-slider-active");n.addClass("vjs-slider-active");n.trigger("slideractive")});n.on(n.volumeBar,["blur","sliderinactive"],function(){n.volumeBar.removeClass("vjs-slider-active");n.removeClass("vjs-slider-active");n.trigger("sliderinactive")});return n}var a=t.prototype;a.createEl=function(){var t="vjs-volume-horizontal";if(this.options_.vertical){t="vjs-volume-vertical"}return e.prototype.createEl.call(this,"div",{className:"vjs-volume-control vjs-control "+t})};a.handleMouseDown=function(){var e=this.el_.ownerDocument;this.on(e,"mousemove",this.throttledHandleMouseMove);this.on(e,"touchmove",this.throttledHandleMouseMove);this.on(e,"mouseup",this.handleMouseUp);this.on(e,"touchend",this.handleMouseUp)};a.handleMouseUp=function(){var e=this.el_.ownerDocument;this.off(e,"mousemove",this.throttledHandleMouseMove);this.off(e,"touchmove",this.throttledHandleMouseMove);this.off(e,"mouseup",this.handleMouseUp);this.off(e,"touchend",this.handleMouseUp)};a.handleMouseMove=function(e){this.volumeBar.handleMouseMove(e)};return t}(qe);cr.prototype.options_={children:["volumeBar"]};qe.registerComponent("VolumeControl",cr);var mr=function(e,t){if(t.tech_&&!t.tech_.featuresMuteControl){e.addClass("vjs-hidden")}e.on(t,"loadstart",function(){if(!t.tech_.featuresMuteControl){e.addClass("vjs-hidden")}else{e.removeClass("vjs-hidden")}})},gr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;mr(Ve(n),t);n.on(t,["loadstart","volumechange"],n.update);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-mute-control "+e.prototype.buildCSSClass.call(this)};a.handleClick=function(){var e=this.player_.volume(),t=this.player_.lastVolume_();if(0===e){var a=.1>t?.1:t;this.player_.volume(a);this.player_.muted(!1)}else{this.player_.muted(this.player_.muted()?!1:!0)}};a.update=function(){this.updateIcon_();this.updateControlText_()};a.updateIcon_=function(){var e=this.player_.volume(),t=3;if(ut&&this.player_.tech_&&this.player_.tech_.el_){this.player_.muted(this.player_.tech_.el_.muted)}if(0===e||this.player_.muted()){t=0}else if(.33>e){t=1}else if(.67>e){t=2}for(var a=0;4>a;a++){D(this.el_,"vjs-vol-"+a)}P(this.el_,"vjs-vol-"+t)};a.updateControlText_=function(){var e=this.player_.muted()||0===this.player_.volume(),t=e?"Unmute":"Mute";if(this.controlText()!==t){this.controlText(t)}};return t}(Mn);gr.prototype.controlText_="Mute";qe.registerComponent("MuteToggle",gr);var yr=function(e){Ge(a,e);function a(t,a){var n;if(void 0===a){a={}}if("undefined"!=typeof a.inline){a.inline=a.inline}else{a.inline=!0}if("undefined"==typeof a.volumeControl||h(a.volumeControl)){a.volumeControl=a.volumeControl||{};a.volumeControl.vertical=!a.inline}n=e.call(this,t,a)||this;n.on(t,["loadstart"],n.volumePanelState_);n.on(n.muteToggle,"keyup",n.handleKeyPress);n.on(n.volumeControl,"keyup",n.handleVolumeControlKeyUp);n.on("keydown",n.handleKeyPress);n.on("mouseover",n.handleMouseOver);n.on("mouseout",n.handleMouseOut);n.on(n.volumeControl,["slideractive"],n.sliderActive_);n.on(n.volumeControl,["sliderinactive"],n.sliderInactive_);return n}var n=a.prototype;n.sliderActive_=function(){this.addClass("vjs-slider-active")};n.sliderInactive_=function(){this.removeClass("vjs-slider-active")};n.volumePanelState_=function(){if(this.volumeControl.hasClass("vjs-hidden")&&this.muteToggle.hasClass("vjs-hidden")){this.addClass("vjs-hidden")}if(this.volumeControl.hasClass("vjs-hidden")&&!this.muteToggle.hasClass("vjs-hidden")){this.addClass("vjs-mute-toggle-only")}};n.createEl=function(){var t="vjs-volume-panel-horizontal";if(!this.options_.inline){t="vjs-volume-panel-vertical"}return e.prototype.createEl.call(this,"div",{className:"vjs-volume-panel vjs-control "+t})};n.dispose=function(){this.handleMouseOut();e.prototype.dispose.call(this)};n.handleVolumeControlKeyUp=function(e){if(wt.isEventKey(e,"Esc")){this.muteToggle.focus()}};n.handleMouseOver=function(){this.addClass("vjs-hover");ge(t,"keyup",ve(this,this.handleKeyPress))};n.handleMouseOut=function(){this.removeClass("vjs-hover");ye(t,"keyup",ve(this,this.handleKeyPress))};n.handleKeyPress=function(e){if(wt.isEventKey(e,"Esc")){this.handleMouseOut()}};return a}(qe);yr.prototype.options_={children:["muteToggle","volumeControl"]};qe.registerComponent("VolumePanel",yr);var hr=function(e){Ge(a,e);function a(t,a){var n=e.call(this,t,a)||this;if(a){n.menuButton_=a.menuButton}n.focusedChild_=-1;n.on("keydown",n.handleKeyDown);n.boundHandleBlur_=ve(Ve(n),n.handleBlur);n.boundHandleTapClick_=ve(Ve(n),n.handleTapClick);return n}var n=a.prototype;n.addEventListenerForItem=function(e){if(!(e instanceof qe)){return}this.on(e,"blur",this.boundHandleBlur_);this.on(e,["tap","click"],this.boundHandleTapClick_)};n.removeEventListenerForItem=function(e){if(!(e instanceof qe)){return}this.off(e,"blur",this.boundHandleBlur_);this.off(e,["tap","click"],this.boundHandleTapClick_)};n.removeChild=function(t){if("string"==typeof t){t=this.getChild(t)}this.removeEventListenerForItem(t);e.prototype.removeChild.call(this,t)};n.addItem=function(e){var t=this.addChild(e);if(t){this.addEventListenerForItem(t)}};n.createEl=function(){var t=this.options_.contentElType||"ul";this.contentEl_=E(t,{className:"vjs-menu-content"});this.contentEl_.setAttribute("role","menu");var a=e.prototype.createEl.call(this,"div",{append:this.contentEl_,className:"vjs-menu"});a.appendChild(this.contentEl_);ge(a,"click",function(e){e.preventDefault();e.stopImmediatePropagation()});return a};n.dispose=function(){this.contentEl_=null;this.boundHandleBlur_=null;this.boundHandleTapClick_=null;e.prototype.dispose.call(this)};n.handleBlur=function(e){var a=e.relatedTarget||t.activeElement;if(!this.children().some(function(e){return e.el()===a})){var n=this.menuButton_;if(n&&n.buttonPressed_&&a!==n.el().firstChild){n.unpressButton()}}};n.handleTapClick=function(e){if(this.menuButton_){this.menuButton_.unpressButton();var t=this.children();if(!Array.isArray(t)){return}var a=t.filter(function(t){return t.el()===e.target})[0];if(!a){return}if("CaptionSettingsMenuItem"!==a.name()){this.menuButton_.focus()}}};n.handleKeyDown=function(e){if(wt.isEventKey(e,"Left")||wt.isEventKey(e,"Down")){e.preventDefault();e.stopPropagation();this.stepForward()}else if(wt.isEventKey(e,"Right")||wt.isEventKey(e,"Up")){e.preventDefault();e.stopPropagation();this.stepBack()}};n.stepForward=function(){var e=0;if(this.focusedChild_!==void 0){e=this.focusedChild_+1}this.focus(e)};n.stepBack=function(){var e=0;if(this.focusedChild_!==void 0){e=this.focusedChild_-1}this.focus(e)};n.focus=function(e){if(void 0===e){e=0}var t=this.children().slice(),a=t.length&&t[0].className&&/vjs-menu-title/.test(t[0].className);if(a){t.shift()}if(0<t.length){if(0>e){e=0}else if(e>=t.length){e=t.length-1}this.focusedChild_=e;t[e].el_.focus()}};return a}(qe);qe.registerComponent("Menu",hr);var _r=function(e){Ge(a,e);function a(a,n){var r;if(void 0===n){n={}}r=e.call(this,a,n)||this;r.menuButton_=new Mn(a,n);r.menuButton_.controlText(r.controlText_);r.menuButton_.el_.setAttribute("aria-haspopup","true");var i=Mn.prototype.buildCSSClass();r.menuButton_.el_.className=r.buildCSSClass()+" "+i;r.menuButton_.removeClass("vjs-control");r.addChild(r.menuButton_);r.update();r.enabled_=!0;r.on(r.menuButton_,"tap",r.handleClick);r.on(r.menuButton_,"click",r.handleClick);r.on(r.menuButton_,"keydown",r.handleKeyDown);r.on(r.menuButton_,"mouseenter",function(){r.addClass("vjs-hover");r.menu.show();ge(t,"keyup",ve(Ve(r),r.handleMenuKeyUp))});r.on("mouseleave",r.handleMouseLeave);r.on("keydown",r.handleSubmenuKeyDown);return r}var n=a.prototype;n.update=function(){var e=this.createMenu();if(this.menu){this.menu.dispose();this.removeChild(this.menu)}this.menu=e;this.addChild(e);this.buttonPressed_=!1;this.menuButton_.el_.setAttribute("aria-expanded","false");if(this.items&&this.items.length<=this.hideThreshold_){this.hide()}else{this.show()}};n.createMenu=function(){var e=new hr(this.player_,{menuButton:this});this.hideThreshold_=0;if(this.options_.title){var t=E("li",{className:"vjs-menu-title",innerHTML:je(this.options_.title),tabIndex:-1});this.hideThreshold_+=1;var a=new qe(this.player_,{el:t});e.addItem(a)}this.items=this.createItems();if(this.items){for(var n=0;n<this.items.length;n++){e.addItem(this.items[n])}}return e};n.createItems=function(){};n.createEl=function(){return e.prototype.createEl.call(this,"div",{className:this.buildWrapperCSSClass()},{})};n.buildWrapperCSSClass=function(){var t="vjs-menu-button";if(!0===this.options_.inline){t+="-inline"}else{t+="-popup"}var a=Mn.prototype.buildCSSClass();return"vjs-menu-button "+t+" "+a+" "+e.prototype.buildCSSClass.call(this)};n.buildCSSClass=function(){var t="vjs-menu-button";if(!0===this.options_.inline){t+="-inline"}else{t+="-popup"}return"vjs-menu-button "+t+" "+e.prototype.buildCSSClass.call(this)};n.controlText=function(e,t){if(void 0===t){t=this.menuButton_.el()}return this.menuButton_.controlText(e,t)};n.dispose=function(){this.handleMouseLeave();e.prototype.dispose.call(this)};n.handleClick=function(){if(this.buttonPressed_){this.unpressButton()}else{this.pressButton()}};n.handleMouseLeave=function(){this.removeClass("vjs-hover");ye(t,"keyup",ve(this,this.handleMenuKeyUp))};n.focus=function(){this.menuButton_.focus()};n.blur=function(){this.menuButton_.blur()};n.handleKeyDown=function(e){if(wt.isEventKey(e,"Esc")||wt.isEventKey(e,"Tab")){if(this.buttonPressed_){this.unpressButton()}if(!wt.isEventKey(e,"Tab")){e.preventDefault();this.menuButton_.focus()}}else if(wt.isEventKey(e,"Up")||wt.isEventKey(e,"Down")){if(!this.buttonPressed_){e.preventDefault();this.pressButton()}}};n.handleMenuKeyUp=function(e){if(wt.isEventKey(e,"Esc")||wt.isEventKey(e,"Tab")){this.removeClass("vjs-hover")}};n.handleSubmenuKeyPress=function(e){this.handleSubmenuKeyDown(e)};n.handleSubmenuKeyDown=function(e){if(wt.isEventKey(e,"Esc")||wt.isEventKey(e,"Tab")){if(this.buttonPressed_){this.unpressButton()}if(!wt.isEventKey(e,"Tab")){e.preventDefault();this.menuButton_.focus()}}};n.pressButton=function(){if(this.enabled_){this.buttonPressed_=!0;this.menu.show();this.menu.lockShowing();this.menuButton_.el_.setAttribute("aria-expanded","true");if(ut&&k()){return}this.menu.focus()}};n.unpressButton=function(){if(this.enabled_){this.buttonPressed_=!1;this.menu.unlockShowing();this.menu.hide();this.menuButton_.el_.setAttribute("aria-expanded","false")}};n.disable=function(){this.unpressButton();this.enabled_=!1;this.addClass("vjs-disabled");this.menuButton_.disable()};n.enable=function(){this.enabled_=!0;this.removeClass("vjs-disabled");this.menuButton_.enable()};return a}(qe);qe.registerComponent("MenuButton",_r);var fr=function(e){Ge(t,e);function t(t,a){var n,r=a.tracks;n=e.call(this,t,a)||this;if(1>=n.items.length){n.hide()}if(!r){return Ve(n)}var i=ve(Ve(n),n.update);r.addEventListener("removetrack",i);r.addEventListener("addtrack",i);n.player_.on("ready",i);n.player_.on("dispose",function(){r.removeEventListener("removetrack",i);r.removeEventListener("addtrack",i)});return n}return t}(_r);qe.registerComponent("TrackButton",fr);var Tr=["Tab","Esc","Up","Down","Right","Left"],br=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.selectable=a.selectable;n.isSelected_=a.selected||!1;n.multiSelectable=a.multiSelectable;n.selected(n.isSelected_);if(n.selectable){if(n.multiSelectable){n.el_.setAttribute("role","menuitemcheckbox")}else{n.el_.setAttribute("role","menuitemradio")}}else{n.el_.setAttribute("role","menuitem")}return n}var a=t.prototype;a.createEl=function(t,a,n){this.nonIconControl=!0;return e.prototype.createEl.call(this,"li",g({className:"vjs-menu-item",innerHTML:"<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label)+"</span>",tabIndex:-1},a),n)};a.handleKeyDown=function(t){if(!Tr.some(function(e){return wt.isEventKey(t,e)})){e.prototype.handleKeyDown.call(this,t)}};a.handleClick=function(){this.selected(!0)};a.selected=function(e){if(this.selectable){if(e){this.addClass("vjs-selected");this.el_.setAttribute("aria-checked","true");this.controlText(", selected");this.isSelected_=!0}else{this.removeClass("vjs-selected");this.el_.setAttribute("aria-checked","false");this.controlText("");this.isSelected_=!1}}};return t}(Pn);qe.registerComponent("MenuItem",br);var vr=function(a){Ge(n,a);function n(n,r){var i,s=r.track,o=n.textTracks();r.label=s.label||s.language||"Unknown";r.selected="showing"===s.mode;i=a.call(this,n,r)||this;i.track=s;i.kinds=(r.kinds||[r.kind||i.track.kind]).filter(Boolean);var l=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}i.handleTracksChange.apply(Ve(i),t)},d=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}i.handleSelectedLanguageChange.apply(Ve(i),t)};n.on(["loadstart","texttrackchange"],l);o.addEventListener("change",l);o.addEventListener("selectedlanguagechange",d);i.on("dispose",function(){n.off(["loadstart","texttrackchange"],l);o.removeEventListener("change",l);o.removeEventListener("selectedlanguagechange",d)});if(o.onchange===void 0){var p;i.on(["tap","click"],function(){if("object"!==_typeof2(e.Event)){try{p=new e.Event("change")}catch(e){}}if(!p){p=t.createEvent("Event");p.initEvent("change",!0,!0)}o.dispatchEvent(p)})}i.handleTracksChange();return i}var r=n.prototype;r.handleClick=function(e){var t=this.track,n=this.player_.textTracks();a.prototype.handleClick.call(this,e);if(!n){return}for(var r=0,s;r<n.length;r++){s=n[r];if(-1===this.kinds.indexOf(s.kind)){continue}if(s===t){if("showing"!==s.mode){s.mode="showing"}}else if("disabled"!==s.mode){s.mode="disabled"}}};r.handleTracksChange=function(){var e="showing"===this.track.mode;if(e!==this.isSelected_){this.selected(e)}};r.handleSelectedLanguageChange=function(){if("showing"===this.track.mode){var e=this.player_.cache_.selectedLanguage;if(e&&e.enabled&&e.language===this.track.language&&e.kind!==this.track.kind){return}this.player_.cache_.selectedLanguage={enabled:!0,language:this.track.language,kind:this.track.kind}}};r.dispose=function(){this.track=null;a.prototype.dispose.call(this)};return n}(br);qe.registerComponent("TextTrackMenuItem",vr);var Sr=function(e){Ge(t,e);function t(t,a){a.track={player:t,kind:a.kind,kinds:a.kinds,default:!1,mode:"disabled"};if(!a.kinds){a.kinds=[a.kind]}if(a.label){a.track.label=a.label}else{a.track.label=a.kinds.join(" and ")+" off"}a.selectable=!0;a.multiSelectable=!1;return e.call(this,t,a)||this}var a=t.prototype;a.handleTracksChange=function(){for(var e=this.player().textTracks(),t=!0,a=0,n=e.length,r;a<n;a++){r=e[a];if(-1<this.options_.kinds.indexOf(r.kind)&&"showing"===r.mode){t=!1;break}}if(t!==this.isSelected_){this.selected(t)}};a.handleSelectedLanguageChange=function(){for(var e=this.player().textTracks(),t=!0,a=0,n=e.length,r;a<n;a++){r=e[a];if(-1<["captions","descriptions","subtitles"].indexOf(r.kind)&&"showing"===r.mode){t=!1;break}}if(t){this.player_.cache_.selectedLanguage={enabled:!1}}};return t}(vr);qe.registerComponent("OffTextTrackMenuItem",Sr);var kr=function(e){Ge(t,e);function t(t,a){if(void 0===a){a={}}a.tracks=t.textTracks();return e.call(this,t,a)||this}var a=t.prototype;a.createItems=function(e,t){if(void 0===e){e=[]}if(void 0===t){t=vr}var a;if(this.label_){a=this.label_+" off"}e.push(new Sr(this.player_,{kinds:this.kinds_,kind:this.kind_,label:a}));this.hideThreshold_+=1;var n=this.player_.textTracks();if(!Array.isArray(this.kinds_)){this.kinds_=[this.kind_]}for(var r=0,s;r<n.length;r++){s=n[r];if(-1<this.kinds_.indexOf(s.kind)){var o=new t(this.player_,{track:s,kinds:this.kinds_,kind:this.kind_,selectable:!0,multiSelectable:!1});o.addClass("vjs-"+s.kind+"-menu-item");e.push(o)}}return e};return t}(fr);qe.registerComponent("TextTrackButton",kr);var Cr=function(e){Ge(t,e);function t(t,a){var n,r=a.track,i=a.cue,s=t.currentTime();a.selectable=!0;a.multiSelectable=!1;a.label=i.text;a.selected=i.startTime<=s&&s<i.endTime;n=e.call(this,t,a)||this;n.track=r;n.cue=i;r.addEventListener("cuechange",ve(Ve(n),n.update));return n}var a=t.prototype;a.handleClick=function(){e.prototype.handleClick.call(this);this.player_.currentTime(this.cue.startTime);this.update(this.cue.startTime)};a.update=function(){var e=this.cue,t=this.player_.currentTime();this.selected(e.startTime<=t&&t<e.endTime)};return t}(br);qe.registerComponent("ChaptersTrackMenuItem",Cr);var Er=function(e){Ge(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-chapters-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-chapters-button "+e.prototype.buildWrapperCSSClass.call(this)};a.update=function(t){if(!this.track_||t&&("addtrack"===t.type||"removetrack"===t.type)){this.setTrack(this.findChaptersTrack())}e.prototype.update.call(this)};a.setTrack=function(e){if(this.track_===e){return}if(!this.updateHandler_){this.updateHandler_=this.update.bind(this)}if(this.track_){var t=this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);if(t){t.removeEventListener("load",this.updateHandler_)}this.track_=null}this.track_=e;if(this.track_){this.track_.mode="hidden";var a=this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);if(a){a.addEventListener("load",this.updateHandler_)}}};a.findChaptersTrack=function(){for(var e=this.player_.textTracks()||[],t=e.length-1,a;0<=t;t--){a=e[t];if(a.kind===this.kind_){return a}}};a.getMenuCaption=function(){if(this.track_&&this.track_.label){return this.track_.label}return this.localize(je(this.kind_))};a.createMenu=function(){this.options_.title=this.getMenuCaption();return e.prototype.createMenu.call(this)};a.createItems=function(){var e=[];if(!this.track_){return e}var t=this.track_.cues;if(!t){return e}for(var a=0,n=t.length;a<n;a++){var r=t[a],s=new Cr(this.player_,{track:this.track_,cue:r});e.push(s)}return e};return t}(kr);Er.prototype.kind_="chapters";Er.prototype.controlText_="Chapters";qe.registerComponent("ChaptersButton",Er);var Ir=function(e){Ge(t,e);function t(t,a,n){var r=e.call(this,t,a,n)||this;var i=t.textTracks(),s=ve(Ve(r),r.handleTracksChange);i.addEventListener("change",s);r.on("dispose",function(){i.removeEventListener("change",s)});return r}var a=t.prototype;a.handleTracksChange=function(){for(var e=this.player().textTracks(),t=!1,a=0,n=e.length,r;a<n;a++){r=e[a];if(r.kind!==this.kind_&&"showing"===r.mode){t=!0;break}}if(t){this.disable()}else{this.enable()}};a.buildCSSClass=function(){return"vjs-descriptions-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-descriptions-button "+e.prototype.buildWrapperCSSClass.call(this)};return t}(kr);Ir.prototype.kind_="descriptions";Ir.prototype.controlText_="Descriptions";qe.registerComponent("DescriptionsButton",Ir);var xr=function(e){Ge(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-subtitles-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-subtitles-button "+e.prototype.buildWrapperCSSClass.call(this)};return t}(kr);xr.prototype.kind_="subtitles";xr.prototype.controlText_="Subtitles";qe.registerComponent("SubtitlesButton",xr);var Lr=function(e){Ge(t,e);function t(t,a){var n;a.track={player:t,kind:a.kind,label:a.kind+" settings",selectable:!1,default:!1,mode:"disabled"};a.selectable=!1;a.name="CaptionSettingsMenuItem";n=e.call(this,t,a)||this;n.addClass("vjs-texttrack-settings");n.controlText(", opens "+a.kind+" settings dialog");return n}var a=t.prototype;a.handleClick=function(){this.player().getChild("textTrackSettings").open()};return t}(vr);qe.registerComponent("CaptionSettingsMenuItem",Lr);var Pr=function(e){Ge(t,e);function t(t,a,n){return e.call(this,t,a,n)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-captions-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-captions-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(){var t=[];if(!(this.player().tech_&&this.player().tech_.featuresNativeTextTracks)&&this.player().getChild("textTrackSettings")){t.push(new Lr(this.player_,{kind:this.kind_}));this.hideThreshold_+=1}return e.prototype.createItems.call(this,t)};return t}(kr);Pr.prototype.kind_="captions";Pr.prototype.controlText_="Captions";qe.registerComponent("CaptionsButton",Pr);var Dr=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(t,a,n){var r="<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label);if("captions"===this.options_.track.kind){r+="\n        <span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>\n        <span class=\"vjs-control-text\"> "+this.localize("Captions")+"</span>\n      "}r+="</span>";var i=e.prototype.createEl.call(this,t,g({innerHTML:r},a),n);return i};return t}(vr);qe.registerComponent("SubsCapsMenuItem",Dr);var wr=function(e){Ge(t,e);function t(t,a){var n;if(void 0===a){a={}}n=e.call(this,t,a)||this;n.label_="subtitles";if(-1<["en","en-us","en-ca","fr-ca"].indexOf(n.player_.language_)){n.label_="captions"}n.menuButton_.controlText(je(n.label_));return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-subs-caps-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-subs-caps-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(){var t=[];if(!(this.player().tech_&&this.player().tech_.featuresNativeTextTracks)&&this.player().getChild("textTrackSettings")){t.push(new Lr(this.player_,{kind:this.label_}));this.hideThreshold_+=1}t=e.prototype.createItems.call(this,t,Dr);return t};return t}(kr);wr.prototype.kinds_=["captions","subtitles"];wr.prototype.controlText_="Subtitles";qe.registerComponent("SubsCapsButton",wr);var Ar=function(e){Ge(t,e);function t(t,a){var n,r=a.track,i=t.audioTracks();a.label=r.label||r.language||"Unknown";a.selected=r.enabled;n=e.call(this,t,a)||this;n.track=r;n.addClass("vjs-"+r.kind+"-menu-item");var s=function(){for(var e=arguments.length,t=Array(e),a=0;a<e;a++){t[a]=arguments[a]}n.handleTracksChange.apply(Ve(n),t)};i.addEventListener("change",s);n.on("dispose",function(){i.removeEventListener("change",s)});return n}var a=t.prototype;a.createEl=function(t,a,n){var r="<span class=\"vjs-menu-item-text\">"+this.localize(this.options_.label);if("main-desc"===this.options_.track.kind){r+="\n        <span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>\n        <span class=\"vjs-control-text\"> "+this.localize("Descriptions")+"</span>\n      "}r+="</span>";var i=e.prototype.createEl.call(this,t,g({innerHTML:r},a),n);return i};a.handleClick=function(t){var a=this.player_.audioTracks();e.prototype.handleClick.call(this,t);for(var n=0,r;n<a.length;n++){r=a[n];r.enabled=r===this.track}};a.handleTracksChange=function(){this.selected(this.track.enabled)};return t}(br);qe.registerComponent("AudioTrackMenuItem",Ar);var Or=function(e){Ge(t,e);function t(t,a){if(void 0===a){a={}}a.tracks=t.audioTracks();return e.call(this,t,a)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-audio-button "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-audio-button "+e.prototype.buildWrapperCSSClass.call(this)};a.createItems=function(e){if(void 0===e){e=[]}this.hideThreshold_=1;for(var t=this.player_.audioTracks(),a=0,n;a<t.length;a++){n=t[a];e.push(new Ar(this.player_,{track:n,selectable:!0,multiSelectable:!1}))}return e};return t}(fr);Or.prototype.controlText_="Audio Track";qe.registerComponent("AudioTrackButton",Or);var Rr=function(e){Ge(t,e);function t(t,a){var n,r=a.rate,i=parseFloat(r,10);a.label=r;a.selected=1===i;a.selectable=!0;a.multiSelectable=!1;n=e.call(this,t,a)||this;n.label=r;n.rate=i;n.on(t,"ratechange",n.update);return n}var a=t.prototype;a.handleClick=function(){e.prototype.handleClick.call(this);this.player().playbackRate(this.rate)};a.update=function(){this.selected(this.player().playbackRate()===this.rate)};return t}(br);Rr.prototype.contentElType="button";qe.registerComponent("PlaybackRateMenuItem",Rr);var Nr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.updateVisibility();n.updateLabel();n.on(t,"loadstart",n.updateVisibility);n.on(t,"ratechange",n.updateLabel);return n}var a=t.prototype;a.createEl=function(){var t=e.prototype.createEl.call(this);this.labelEl_=E("div",{className:"vjs-playback-rate-value",innerHTML:"1x"});t.appendChild(this.labelEl_);return t};a.dispose=function(){this.labelEl_=null;e.prototype.dispose.call(this)};a.buildCSSClass=function(){return"vjs-playback-rate "+e.prototype.buildCSSClass.call(this)};a.buildWrapperCSSClass=function(){return"vjs-playback-rate "+e.prototype.buildWrapperCSSClass.call(this)};a.createMenu=function(){var e=new hr(this.player()),t=this.playbackRates();if(t){for(var a=t.length-1;0<=a;a--){e.addChild(new Rr(this.player(),{rate:t[a]+"x"}))}}return e};a.updateARIAAttributes=function(){this.el().setAttribute("aria-valuenow",this.player().playbackRate())};a.handleClick=function(){for(var e=this.player().playbackRate(),t=this.playbackRates(),a=t[0],n=0;n<t.length;n++){if(t[n]>e){a=t[n];break}}this.player().playbackRate(a)};a.playbackRates=function(){return this.options_.playbackRates||this.options_.playerOptions&&this.options_.playerOptions.playbackRates};a.playbackRateSupported=function(){return this.player().tech_&&this.player().tech_.featuresPlaybackRate&&this.playbackRates()&&0<this.playbackRates().length};a.updateVisibility=function(){if(this.playbackRateSupported()){this.removeClass("vjs-hidden")}else{this.addClass("vjs-hidden")}};a.updateLabel=function(){if(this.playbackRateSupported()){this.labelEl_.innerHTML=this.player().playbackRate()+"x"}};return t}(_r);Nr.prototype.controlText_="Playback Rate";qe.registerComponent("PlaybackRateMenuButton",Nr);var Ur=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-spacer "+e.prototype.buildCSSClass.call(this)};a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:this.buildCSSClass()})};return t}(qe);qe.registerComponent("Spacer",Ur);var Mr=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.buildCSSClass=function(){return"vjs-custom-control-spacer "+e.prototype.buildCSSClass.call(this)};a.createEl=function(){var t=e.prototype.createEl.call(this,{className:this.buildCSSClass()});t.innerHTML="\xA0";return t};return t}(Ur);qe.registerComponent("CustomControlSpacer",Mr);var Br=function(e){Ge(t,e);function t(){return e.apply(this,arguments)||this}var a=t.prototype;a.createEl=function(){return e.prototype.createEl.call(this,"div",{className:"vjs-control-bar",dir:"ltr"})};return t}(qe);Br.prototype.options_={children:["playToggle","volumePanel","currentTimeDisplay","timeDivider","durationDisplay","progressControl","liveDisplay","seekToLive","remainingTimeDisplay","customControlSpacer","playbackRateMenuButton","chaptersButton","descriptionsButton","subsCapsButton","audioTrackButton","fullscreenToggle"]};if("exitPictureInPicture"in t){Br.prototype.options_.children.splice(Br.prototype.options_.children.length-1,0,"pictureInPictureToggle")}qe.registerComponent("ControlBar",Br);var jr=function(e){Ge(t,e);function t(t,a){var n=e.call(this,t,a)||this;n.on(t,"error",n.open);return n}var a=t.prototype;a.buildCSSClass=function(){return"vjs-error-display "+e.prototype.buildCSSClass.call(this)};a.content=function(){var e=this.player().error();return e?this.localize(e.message):""};return t}(Bt);jr.prototype.options_=d({},Bt.prototype.options_,{pauseOnOpen:!1,fillAlways:!0,temporary:!1,uncloseable:!0});qe.registerComponent("ErrorDisplay",jr);var Fr=["#000","Black"],Hr=["#00F","Blue"],qr=["#0FF","Cyan"],Vr=["#0F0","Green"],Wr=["#F0F","Magenta"],zr=["#F00","Red"],Gr=["#FFF","White"],Kr=["#FF0","Yellow"],Yr=["1","Opaque"],Xr=["0.5","Semi-Transparent"],$r=["0","Transparent"],Qr={backgroundColor:{selector:".vjs-bg-color > select",id:"captions-background-color-%s",label:"Color",options:[Fr,Gr,zr,Vr,Hr,Kr,Wr,qr]},backgroundOpacity:{selector:".vjs-bg-opacity > select",id:"captions-background-opacity-%s",label:"Transparency",options:[Yr,Xr,$r]},color:{selector:".vjs-fg-color > select",id:"captions-foreground-color-%s",label:"Color",options:[Gr,Fr,zr,Vr,Hr,Kr,Wr,qr]},edgeStyle:{selector:".vjs-edge-style > select",id:"%s",label:"Text Edge Style",options:[["none","None"],["raised","Raised"],["depressed","Depressed"],["uniform","Uniform"],["dropshadow","Dropshadow"]]},fontFamily:{selector:".vjs-font-family > select",id:"captions-font-family-%s",label:"Font Family",options:[["proportionalSansSerif","Proportional Sans-Serif"],["monospaceSansSerif","Monospace Sans-Serif"],["proportionalSerif","Proportional Serif"],["monospaceSerif","Monospace Serif"],["casual","Casual"],["script","Script"],["small-caps","Small Caps"]]},fontPercent:{selector:".vjs-font-percent > select",id:"captions-font-size-%s",label:"Font Size",options:[["0.50","50%"],["0.75","75%"],["1.00","100%"],["1.25","125%"],["1.50","150%"],["1.75","175%"],["2.00","200%"],["3.00","300%"],["4.00","400%"]],default:2,parser:function(e){return"1.00"===e?null:+e}},textOpacity:{selector:".vjs-text-opacity > select",id:"captions-foreground-opacity-%s",label:"Transparency",options:[Yr,Xr]},windowColor:{selector:".vjs-window-color > select",id:"captions-window-color-%s",label:"Color"},windowOpacity:{selector:".vjs-window-opacity > select",id:"captions-window-opacity-%s",label:"Transparency",options:[$r,Xr,Yr]}};Qr.windowColor.options=Qr.backgroundColor.options;function Jr(e,t){if(t){e=t(e)}if(e&&"none"!==e){return e}}function Zr(e,t){var a=e.options[e.options.selectedIndex].value;return Jr(a,t)}function ei(e,t,a){if(!t){return}for(var n=0;n<e.options.length;n++){if(Jr(e.options[n].value,a)===t){e.selectedIndex=n;break}}}var ti=function(t){Ge(a,t);function a(e,a){var n;a.temporary=!1;n=t.call(this,e,a)||this;n.updateDisplay=ve(Ve(n),n.updateDisplay);n.fill();n.hasBeenOpened_=n.hasBeenFilled_=!0;n.endDialog=E("p",{className:"vjs-control-text",textContent:n.localize("End of dialog window.")});n.el().appendChild(n.endDialog);n.setDefaults();if(a.persistTextTrackSettings===void 0){n.options_.persistTextTrackSettings=n.options_.playerOptions.persistTextTrackSettings}n.on(n.$(".vjs-done-button"),"click",function(){n.saveSettings();n.close()});n.on(n.$(".vjs-default-button"),"click",function(){n.setDefaults();n.updateDisplay()});c(Qr,function(e){n.on(n.$(e.selector),"change",n.updateDisplay)});if(n.options_.persistTextTrackSettings){n.restoreSettings()}return n}var n=a.prototype;n.dispose=function(){this.endDialog=null;t.prototype.dispose.call(this)};n.createElSelect_=function(e,t,a){var n=this;if(void 0===t){t=""}if(void 0===a){a="label"}var r=Qr[e],i=r.id.replace("%s",this.id_),s=[t,i].join(" ").trim();return["<"+a+" id=\""+i+"\" class=\""+("label"===a?"vjs-label":"")+"\">",this.localize(r.label),"</"+a+">","<select aria-labelledby=\""+s+"\">"].concat(r.options.map(function(e){var t=i+"-"+e[1].replace(/\W+/g,"");return["<option id=\""+t+"\" value=\""+e[0]+"\" ","aria-labelledby=\""+s+" "+t+"\">",n.localize(e[1]),"</option>"].join("")})).concat("</select>").join("")};n.createElFgColor_=function(){var e="captions-text-legend-"+this.id_;return["<fieldset class=\"vjs-fg-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Text"),"</legend>",this.createElSelect_("color",e),"<span class=\"vjs-text-opacity vjs-opacity\">",this.createElSelect_("textOpacity",e),"</span>","</fieldset>"].join("")};n.createElBgColor_=function(){var e="captions-background-"+this.id_;return["<fieldset class=\"vjs-bg-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Background"),"</legend>",this.createElSelect_("backgroundColor",e),"<span class=\"vjs-bg-opacity vjs-opacity\">",this.createElSelect_("backgroundOpacity",e),"</span>","</fieldset>"].join("")};n.createElWinColor_=function(){var e="captions-window-"+this.id_;return["<fieldset class=\"vjs-window-color vjs-track-setting\">","<legend id=\""+e+"\">",this.localize("Window"),"</legend>",this.createElSelect_("windowColor",e),"<span class=\"vjs-window-opacity vjs-opacity\">",this.createElSelect_("windowOpacity",e),"</span>","</fieldset>"].join("")};n.createElColors_=function(){return E("div",{className:"vjs-track-settings-colors",innerHTML:[this.createElFgColor_(),this.createElBgColor_(),this.createElWinColor_()].join("")})};n.createElFont_=function(){return E("div",{className:"vjs-track-settings-font",innerHTML:["<fieldset class=\"vjs-font-percent vjs-track-setting\">",this.createElSelect_("fontPercent","","legend"),"</fieldset>","<fieldset class=\"vjs-edge-style vjs-track-setting\">",this.createElSelect_("edgeStyle","","legend"),"</fieldset>","<fieldset class=\"vjs-font-family vjs-track-setting\">",this.createElSelect_("fontFamily","","legend"),"</fieldset>"].join("")})};n.createElControls_=function(){var e=this.localize("restore all settings to the default values");return E("div",{className:"vjs-track-settings-controls",innerHTML:["<button type=\"button\" class=\"vjs-default-button\" title=\""+e+"\">",this.localize("Reset"),"<span class=\"vjs-control-text\"> "+e+"</span>","</button>","<button type=\"button\" class=\"vjs-done-button\">"+this.localize("Done")+"</button>"].join("")})};n.content=function(){return[this.createElColors_(),this.createElFont_(),this.createElControls_()]};n.label=function(){return this.localize("Caption Settings Dialog")};n.description=function(){return this.localize("Beginning of dialog window. Escape will cancel and close the window.")};n.buildCSSClass=function(){return t.prototype.buildCSSClass.call(this)+" vjs-text-track-settings"};n.getValues=function(){var e=this;return m(Qr,function(t,a,n){var r=Zr(e.$(a.selector),a.parser);if(r!==void 0){t[n]=r}return t},{})};n.setValues=function(e){var t=this;c(Qr,function(a,n){ei(t.$(a.selector),e[n],a.parser)})};n.setDefaults=function(){var e=this;c(Qr,function(t){var a=t.hasOwnProperty("default")?t["default"]:0;e.$(t.selector).selectedIndex=a})};n.restoreSettings=function(){var t;try{t=JSON.parse(e.localStorage.getItem("vjs-text-track-settings"))}catch(e){s.warn(e)}if(t){this.setValues(t)}};n.saveSettings=function(){if(!this.options_.persistTextTrackSettings){return}var t=this.getValues();try{if(Object.keys(t).length){e.localStorage.setItem("vjs-text-track-settings",JSON.stringify(t))}else{e.localStorage.removeItem("vjs-text-track-settings")}}catch(e){s.warn(e)}};n.updateDisplay=function(){var e=this.player_.getChild("textTrackDisplay");if(e){e.updateDisplay()}};n.conditionalBlur_=function(){this.previouslyActiveEl_=null;var e=this.player_.controlBar,t=e&&e.subsCapsButton,a=e&&e.captionsButton;if(t){t.focus()}else if(a){a.focus()}};return a}(Bt);qe.registerComponent("TextTrackSettings",ti);var ai=function(t){Ge(a,t);function a(a,n){var r,i=n.ResizeObserver||e.ResizeObserver;if(null===n.ResizeObserver){i=!1}var s=He({createEl:!i,reportTouchActivity:!1},n);r=t.call(this,a,s)||this;r.ResizeObserver=n.ResizeObserver||e.ResizeObserver;r.loadListener_=null;r.resizeObserver_=null;r.debouncedHandler_=ke(function(){r.resizeHandler()},100,!1,Ve(r));if(i){r.resizeObserver_=new r.ResizeObserver(r.debouncedHandler_);r.resizeObserver_.observe(a.el())}else{r.loadListener_=function(){if(!r.el_||!r.el_.contentWindow){return}var e=r.debouncedHandler_,t=r.unloadListener_=function(){ye(this,"resize",e);ye(this,"unload",t);t=null};ge(r.el_.contentWindow,"unload",t);ge(r.el_.contentWindow,"resize",e)};r.one("load",r.loadListener_)}return r}var n=a.prototype;n.createEl=function(){return t.prototype.createEl.call(this,"iframe",{className:"vjs-resize-manager",tabIndex:-1},{"aria-hidden":"true"})};n.resizeHandler=function(){if(!this.player_||!this.player_.trigger){return}this.player_.trigger("playerresize")};n.dispose=function(){if(this.debouncedHandler_){this.debouncedHandler_.cancel()}if(this.resizeObserver_){if(this.player_.el()){this.resizeObserver_.unobserve(this.player_.el())}this.resizeObserver_.disconnect()}if(this.loadListener_){this.off("load",this.loadListener_)}if(this.el_&&this.el_.contentWindow&&this.unloadListener_){this.unloadListener_.call(this.el_.contentWindow)}this.ResizeObserver=null;this.resizeObserver=null;this.debouncedHandler_=null;this.loadListener_=null;t.prototype.dispose.call(this)};return a}(qe);qe.registerComponent("ResizeManager",ai);var ni=function(e){var t=Math.floor(e.length/2),a=[].concat(e).sort(function(e,t){return e-t});return 0!=e.length%2?a[t]:(a[t-1]+a[t])/2},ri={trackingThreshold:30},ii=function(e){Ge(a,e);function a(a,n){var r,i=He(ri,n,{createEl:!1});r=e.call(this,a,i)||this;r.reset_();r.on(r.player_,"durationchange",r.handleDurationchange);if(it&&"hidden"in t&&"visibilityState"in t){r.on(t,"visibilitychange",r.handleVisibilityChange)}return r}var n=a.prototype;n.handleVisibilityChange=function(){if(this.player_.duration()!==1/0){return}if(t.hidden){this.stopTracking()}else{this.startTracking()}};n.isBehind_=function(){if(!this.timeupdateSeen_){return!1}var e=this.liveCurrentTime(),t=this.player_.currentTime(),a=2*this.seekableIncrement_+.07;return e!==1/0&&e-a>=t};n.trackLive_=function(){this.pastSeekEnd_=this.pastSeekEnd_;var e=this.player_.seekable();if(!e||!e.length){return}var t=this.seekableEnd();if(t!==this.lastSeekEnd_){if(this.lastSeekEnd_){this.seekableIncrementList_=this.seekableIncrementList_.slice(-11);this.seekableIncrementList_.push(Math.abs(t-this.lastSeekEnd_));if(3<this.seekableIncrementList_.length){this.seekableIncrement_=ni(this.seekableIncrementList_)}}this.pastSeekEnd_=0;this.lastSeekEnd_=t;this.trigger("seekableendchange")}if(this.pastSeekEnd()>1.5*this.seekableIncrement_){this.pastSeekEnd_=0}else{this.pastSeekEnd_=this.pastSeekEnd()+.03}if(this.isBehind_()!==this.behindLiveEdge()){this.behindLiveEdge_=this.isBehind_();this.trigger("liveedgechange")}};n.handleDurationchange=function(){if(this.player_.duration()===1/0&&this.liveWindow()>=this.options_.trackingThreshold){if(this.player_.options_.liveui){this.player_.addClass("vjs-liveui")}this.startTracking()}else{this.player_.removeClass("vjs-liveui");this.stopTracking()}};n.startTracking=function(){var e=this;if(this.isTracking()){return}if(!this.timeupdateSeen_){this.timeupdateSeen_=this.player_.hasStarted()}this.trackingInterval_=this.setInterval(this.trackLive_,be);this.trackLive_();this.on(this.player_,"play",this.trackLive_);this.on(this.player_,"pause",this.trackLive_);if(!this.timeupdateSeen_){this.one(this.player_,"play",this.handlePlay);this.handleTimeupdate=function(){e.timeupdateSeen_=!0;e.handleTimeupdate=null};this.one(this.player_,"timeupdate",this.handleTimeupdate)}};n.handlePlay=function(){this.one(this.player_,"timeupdate",this.seekToLiveEdge)};n.reset_=function(){this.pastSeekEnd_=0;this.lastSeekEnd_=null;this.behindLiveEdge_=null;this.timeupdateSeen_=!1;this.clearInterval(this.trackingInterval_);this.trackingInterval_=null;this.seekableIncrement_=12;this.seekableIncrementList_=[];this.off(this.player_,"play",this.trackLive_);this.off(this.player_,"pause",this.trackLive_);this.off(this.player_,"play",this.handlePlay);this.off(this.player_,"timeupdate",this.seekToLiveEdge);if(this.handleTimeupdate){this.off(this.player_,"timeupdate",this.handleTimeupdate);this.handleTimeupdate=null}};n.stopTracking=function(){if(!this.isTracking()){return}this.reset_()};n.seekableEnd=function(){var e=this.player_.seekable(),t=[],a=e?e.length:0;while(a--){t.push(e.end(a))}return t.length?t.sort()[t.length-1]:1/0};n.seekableStart=function(){var e=this.player_.seekable(),t=[],a=e?e.length:0;while(a--){t.push(e.start(a))}return t.length?t.sort()[0]:0};n.liveWindow=function(){var e=this.liveCurrentTime();if(e===1/0){return 1/0}return e-this.seekableStart()};n.isLive=function(){return this.isTracking()};n.atLiveEdge=function(){return!this.behindLiveEdge()};n.liveCurrentTime=function(){return this.pastSeekEnd()+this.seekableEnd()};n.pastSeekEnd=function(){return this.pastSeekEnd_};n.behindLiveEdge=function(){return this.behindLiveEdge_};n.isTracking=function(){return"number"==typeof this.trackingInterval_};n.seekToLiveEdge=function(){if(this.atLiveEdge()){return}this.player_.currentTime(this.liveCurrentTime());if(this.player_.paused()){this.player_.play()}};n.dispose=function(){this.stopTracking();e.prototype.dispose.call(this)};return a}(qe);qe.registerComponent("LiveTracker",ii);var si=function(e){var t=e.el();if(t.hasAttribute("src")){e.triggerSourceset(t.src);return!0}var a=e.$$("source"),n=[],r="";if(!a.length){return!1}for(var s=0,o;s<a.length;s++){o=a[s].src;if(o&&-1===n.indexOf(o)){n.push(o)}}if(!n.length){return!1}if(1===n.length){r=n[0]}e.triggerSourceset(r);return!0},oi=Object.defineProperty({},"innerHTML",{get:function(){return this.cloneNode(!0).innerHTML},set:function(a){var n=t.createElement(this.nodeName.toLowerCase());n.innerHTML=a;var r=t.createDocumentFragment();while(n.childNodes.length){r.appendChild(n.childNodes[0])}this.innerText="";e.Element.prototype.appendChild.call(this,r);return this.innerHTML}}),li=function(e,t){for(var a={},n=0;n<e.length;n++){a=Object.getOwnPropertyDescriptor(e[n],t);if(a&&a.set&&a.get){break}}a.enumerable=!0;a.configurable=!0;return a},di=function(t){return li([t.el(),e.HTMLMediaElement.prototype,e.Element.prototype,oi],"innerHTML")},pi=function(e){var t=e.el();if(t.resetSourceWatch_){return}var a={},n=di(e),r=function(a){return function(){for(var n=arguments.length,r=Array(n),i=0;i<n;i++){r[i]=arguments[i]}var s=a.apply(t,r);si(e);return s}};["append","appendChild","insertAdjacentHTML"].forEach(function(e){if(!t[e]){return}a[e]=t[e];t[e]=r(a[e])});Object.defineProperty(t,"innerHTML",He(n,{set:r(n.set)}));t.resetSourceWatch_=function(){t.resetSourceWatch_=null;Object.keys(a).forEach(function(e){t[e]=a[e]});Object.defineProperty(t,"innerHTML",n)};e.one("sourceset",t.resetSourceWatch_)},ui=Object.defineProperty({},"src",{get:function(){if(this.hasAttribute("src")){return ea(e.Element.prototype.getAttribute.call(this,"src"))}return""},set:function(t){e.Element.prototype.setAttribute.call(this,"src",t);return t}}),ci=function(t){return li([t.el(),e.HTMLMediaElement.prototype,ui],"src")},mi=function(e){if(!e.featuresSourceset){return}var t=e.el();if(t.resetSourceset_){return}var a=ci(e),r=t.setAttribute,i=t.load;Object.defineProperty(t,"src",He(a,{set:function(n){var r=a.set.call(t,n);e.triggerSourceset(t.src);return r}}));t.setAttribute=function(a,n){var i=r.call(t,a,n);if(/src/i.test(a)){e.triggerSourceset(t.src)}return i};t.load=function(){var a=i.call(t);if(!si(e)){e.triggerSourceset("");pi(e)}return a};if(t.currentSrc){e.triggerSourceset(t.currentSrc)}else if(!si(e)){pi(e)}t.resetSourceset_=function(){t.resetSourceset_=null;t.load=i;t.setAttribute=r;Object.defineProperty(t,"src",a);if(t.resetSourceWatch_){t.resetSourceWatch_()}}},gi=function(e,t,a,n){if(void 0===n){n=!0}var r=function(a){return Object.defineProperty(e,t,{value:a,enumerable:!0,writable:!0})},i={configurable:!0,enumerable:!0,get:function(){var e=a();r(e);return e}};if(n){i.set=r}return Object.defineProperty(e,t,i)},yi=function(a){Ge(n,a);function n(e,t){var n=a.call(this,e,t)||this;var r=e.source,o=!1;if(r&&(n.el_.currentSrc!==r.src||e.tag&&3===e.tag.initNetworkState_)){n.setSource(r)}else{n.handleLateInit_(n.el_)}if(e.enableSourceset){n.setupSourcesetHandling_()}if(n.el_.hasChildNodes()){var l=n.el_.childNodes,d=l.length,p=[];while(d--){var u=l[d],c=u.nodeName.toLowerCase();if("track"===c){if(!n.featuresNativeTextTracks){p.push(u)}else{n.remoteTextTrackEls().addTrackElement_(u);n.remoteTextTracks().addTrack(u.track);n.textTracks().addTrack(u.track);if(!o&&!n.el_.hasAttribute("crossorigin")&&aa(u.src)){o=!0}}}}for(var m=0;m<p.length;m++){n.el_.removeChild(p[m])}}n.proxyNativeTracks_();if(n.featuresNativeTextTracks&&o){s.warn("Text Tracks are being loaded from another origin but the crossorigin attribute isn't used.\nThis may prevent text tracks from loading.")}n.restoreMetadataTracksInIOSNativePlayer_();if((lt||pt||et)&&!0===e.nativeControlsForTouch){n.setControls(!0)}n.proxyWebkitFullscreen_();n.triggerReady();return n}var r=n.prototype;r.dispose=function(){if(this.el_&&this.el_.resetSourceset_){this.el_.resetSourceset_()}n.disposeMediaElement(this.el_);this.options_=null;a.prototype.dispose.call(this)};r.setupSourcesetHandling_=function(){mi(this)};r.restoreMetadataTracksInIOSNativePlayer_=function(){var e=this.textTracks(),t,a=function(){t=[];for(var a=0,n;a<e.length;a++){n=e[a];if("metadata"===n.kind){t.push({track:n,storedMode:n.mode})}}};a();e.addEventListener("change",a);this.on("dispose",function(){return e.removeEventListener("change",a)});var n=function a(){for(var n=0,r;n<t.length;n++){r=t[n];if("disabled"===r.track.mode&&r.track.mode!==r.storedMode){r.track.mode=r.storedMode}}e.removeEventListener("change",a)};this.on("webkitbeginfullscreen",function(){e.removeEventListener("change",a);e.removeEventListener("change",n);e.addEventListener("change",n)});this.on("webkitendfullscreen",function(){e.removeEventListener("change",a);e.addEventListener("change",a);e.removeEventListener("change",n)})};r.overrideNative_=function(e,t){var a=this;if(t!==this["featuresNative"+e+"Tracks"]){return}var n=e.toLowerCase();if(this[n+"TracksListeners_"]){Object.keys(this[n+"TracksListeners_"]).forEach(function(e){var t=a.el()[n+"Tracks"];t.removeEventListener(e,a[n+"TracksListeners_"][e])})}this["featuresNative"+e+"Tracks"]=!t;this[n+"TracksListeners_"]=null;this.proxyNativeTracksForType_(n)};r.overrideNativeAudioTracks=function(e){this.overrideNative_("Audio",e)};r.overrideNativeVideoTracks=function(e){this.overrideNative_("Video",e)};r.proxyNativeTracksForType_=function(e){var t=this,a=va[e],n=this.el()[a.getterName],r=this[a.getterName]();if(!this["featuresNative"+a.capitalName+"Tracks"]||!n||!n.addEventListener){return}var i={change:function(){var a={type:"change",target:r,currentTarget:r,srcElement:r};r.trigger(a);if("text"===e){t[Sa.remoteText.getterName]().trigger(a)}},addtrack:function(t){r.addTrack(t.track)},removetrack:function(t){r.removeTrack(t.track)}},s=function(){for(var e=[],t=0,a;t<r.length;t++){a=!1;for(var s=0;s<n.length;s++){if(n[s]===r[t]){a=!0;break}}if(!a){e.push(r[t])}}while(e.length){r.removeTrack(e.shift())}};this[a.getterName+"Listeners_"]=i;Object.keys(i).forEach(function(e){var a=i[e];n.addEventListener(e,a);t.on("dispose",function(){return n.removeEventListener(e,a)})});this.on("loadstart",s);this.on("dispose",function(){return t.off("loadstart",s)})};r.proxyNativeTracks_=function(){var e=this;va.names.forEach(function(t){e.proxyNativeTracksForType_(t)})};r.createEl=function(){var e=this.options_.tag;if(!e||!(this.options_.playerElIngest||this.movingMediaElementInDOM)){if(e){var a=e.cloneNode(!0);if(e.parentNode){e.parentNode.insertBefore(a,e)}n.disposeMediaElement(e);e=a}else{e=t.createElement("video");var r=this.options_.tag&&O(this.options_.tag),s=He({},r);if(!lt||!0!==this.options_.nativeControlsForTouch){delete s.controls}A(e,g(s,{id:this.options_.techId,class:"vjs-tech"}))}e.playerId=this.options_.playerId}if("undefined"!=typeof this.options_.preload){N(e,"preload",this.options_.preload)}for(var o=["loop","muted","playsinline","autoplay"],l=0;l<o.length;l++){var d=o[l],p=this.options_[d];if("undefined"!=typeof p){if(p){N(e,d,d)}else{U(e,d)}e[d]=p}}return e};r.handleLateInit_=function(e){if(0===e.networkState||3===e.networkState){return}if(0===e.readyState){var t=!1,a=function(){t=!0};this.on("loadstart",a);var n=function(){if(!t){this.trigger("loadstart")}};this.on("loadedmetadata",n);this.ready(function(){this.off("loadstart",a);this.off("loadedmetadata",n);if(!t){this.trigger("loadstart")}});return}var r=["loadstart","loadedmetadata"];if(2<=e.readyState){r.push("loadeddata")}if(3<=e.readyState){r.push("canplay")}if(4<=e.readyState){r.push("canplaythrough")}this.ready(function(){r.forEach(function(e){this.trigger(e)},this)})};r.setCurrentTime=function(e){try{this.el_.currentTime=e}catch(t){s(t,"Video is not ready. 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t=e.navigator&&e.navigator.userAgent||"";if(/Android/.test(t)||!/Chrome|Mac OS X 10.5/.test(t)){return!0}}return!1};r.enterFullScreen=function(){var e=this.el_;if(e.paused&&e.networkState<=e.HAVE_METADATA){this.el_.play();this.setTimeout(function(){e.pause();e.webkitEnterFullScreen()},0)}else{e.webkitEnterFullScreen()}};r.exitFullScreen=function(){this.el_.webkitExitFullScreen()};r.requestPictureInPicture=function(){return this.el_.requestPictureInPicture()};r.src=function(e){if(e===void 0){return this.el_.src}this.setSrc(e)};r.reset=function(){n.resetMediaElement(this.el_)};r.currentSrc=function(){if(this.currentSource_){return this.currentSource_.src}return this.el_.currentSrc};r.setControls=function(e){this.el_.controls=!!e};r.addTextTrack=function(e,t,n){if(!this.featuresNativeTextTracks){return a.prototype.addTextTrack.call(this,e,t,n)}return this.el_.addTextTrack(e,t,n)};r.createRemoteTextTrack=function(e){if(!this.featuresNativeTextTracks){return a.prototype.createRemoteTextTrack.call(this,e)}var n=t.createElement("track");if(e.kind){n.kind=e.kind}if(e.label){n.label=e.label}if(e.language||e.srclang){n.srclang=e.language||e.srclang}if(e["default"]){n["default"]=e["default"]}if(e.id){n.id=e.id}if(e.src){n.src=e.src}return n};r.addRemoteTextTrack=function(e,t){var n=a.prototype.addRemoteTextTrack.call(this,e,t);if(this.featuresNativeTextTracks){this.el().appendChild(n)}return n};r.removeRemoteTextTrack=function(e){a.prototype.removeRemoteTextTrack.call(this,e);if(this.featuresNativeTextTracks){var t=this.$$("track"),n=t.length;while(n--){if(e===t[n]||e===t[n].track){this.el().removeChild(t[n])}}}};r.getVideoPlaybackQuality=function(){if("function"==typeof this.el().getVideoPlaybackQuality){return this.el().getVideoPlaybackQuality()}var t={};if("undefined"!=typeof this.el().webkitDroppedFrameCount&&"undefined"!=typeof this.el().webkitDecodedFrameCount){t.droppedVideoFrames=this.el().webkitDroppedFrameCount;t.totalVideoFrames=this.el().webkitDecodedFrameCount}if(e.performance&&"function"==typeof e.performance.now){t.creationTime=e.performance.now()}else if(e.performance&&e.performance.timing&&"number"==typeof e.performance.timing.navigationStart){t.creationTime=e.Date.now()-e.performance.timing.navigationStart}return t};return n}(sn);gi(yi,"TEST_VID",function(){if(!v()){return}var e=t.createElement("video"),a=t.createElement("track");a.kind="captions";a.srclang="en";a.label="English";e.appendChild(a);return e});yi.isSupported=function(){try{yi.TEST_VID.volume=.5}catch(t){return!1}return!!(yi.TEST_VID&&yi.TEST_VID.canPlayType)};yi.canPlayType=function(e){return yi.TEST_VID.canPlayType(e)};yi.canPlaySource=function(e){return yi.canPlayType(e.type)};yi.canControlVolume=function(){try{var e=yi.TEST_VID.volume;yi.TEST_VID.volume=e/2+.1;return e!==yi.TEST_VID.volume}catch(t){return!1}};yi.canMuteVolume=function(){try{var e=yi.TEST_VID.muted;yi.TEST_VID.muted=!e;if(yi.TEST_VID.muted){N(yi.TEST_VID,"muted","muted")}else{U(yi.TEST_VID,"muted","muted")}return e!==yi.TEST_VID.muted}catch(t){return!1}};yi.canControlPlaybackRate=function(){if(Je&&nt&&58>rt){return!1}try{var e=yi.TEST_VID.playbackRate;yi.TEST_VID.playbackRate=e/2+.1;return e!==yi.TEST_VID.playbackRate}catch(t){return!1}};yi.canOverrideAttributes=function(){try{var e=function(){};Object.defineProperty(t.createElement("video"),"src",{get:e,set:e});Object.defineProperty(t.createElement("audio"),"src",{get:e,set:e});Object.defineProperty(t.createElement("video"),"innerHTML",{get:e,set:e});Object.defineProperty(t.createElement("audio"),"innerHTML",{get:e,set:e})}catch(t){return!1}return!0};yi.supportsNativeTextTracks=function(){return ct||ut&&nt};yi.supportsNativeVideoTracks=function(){return!!(yi.TEST_VID&&yi.TEST_VID.videoTracks)};yi.supportsNativeAudioTracks=function(){return!!(yi.TEST_VID&&yi.TEST_VID.audioTracks)};yi.Events=["loadstart","suspend","abort","error","emptied","stalled","loadedmetadata","loadeddata","canplay","canplaythrough","playing","waiting","seeking","seeked","ended","durationchange","timeupdate","progress","play","pause","ratechange","resize","volumechange"];[["featuresVolumeControl","canControlVolume"],["featuresMuteControl","canMuteVolume"],["featuresPlaybackRate","canControlPlaybackRate"],["featuresSourceset","canOverrideAttributes"],["featuresNativeTextTracks","supportsNativeTextTracks"],["featuresNativeVideoTracks","supportsNativeVideoTracks"],["featuresNativeAudioTracks","supportsNativeAudioTracks"]].forEach(function(e){var t=e[0],a=e[1];gi(yi.prototype,t,function(){return yi[a]()},!0)});yi.prototype.movingMediaElementInDOM=!ut;yi.prototype.featuresFullscreenResize=!0;yi.prototype.featuresProgressEvents=!0;yi.prototype.featuresTimeupdateEvents=!0;var hi;yi.patchCanPlayType=function(){if(4<=Ze&&!tt&&!nt){hi=yi.TEST_VID&&yi.TEST_VID.constructor.prototype.canPlayType;yi.TEST_VID.constructor.prototype.canPlayType=function(e){if(e&&/^application\/(?:x-|vnd\.apple\.)mpegurl/i.test(e)){return"maybe"}return hi.call(this,e)}}};yi.unpatchCanPlayType=function(){var e=yi.TEST_VID.constructor.prototype.canPlayType;if(hi){yi.TEST_VID.constructor.prototype.canPlayType=hi}return e};yi.patchCanPlayType();yi.disposeMediaElement=function(e){if(!e){return}if(e.parentNode){e.parentNode.removeChild(e)}while(e.hasChildNodes()){e.removeChild(e.firstChild)}e.removeAttribute("src");if("function"==typeof e.load){(function(){try{e.load()}catch(t){}})()}};yi.resetMediaElement=function(e){if(!e){return}var t=e.querySelectorAll("source"),a=t.length;while(a--){e.removeChild(t[a])}e.removeAttribute("src");if("function"==typeof e.load){(function(){try{e.load()}catch(t){}})()}};["muted","defaultMuted","autoplay","controls","loop","playsinline"].forEach(function(e){yi.prototype[e]=function(){return this.el_[e]||this.el_.hasAttribute(e)}});["muted","defaultMuted","autoplay","loop","playsinline"].forEach(function(e){yi.prototype["set"+je(e)]=function(t){this.el_[e]=t;if(t){this.el_.setAttribute(e,e)}else{this.el_.removeAttribute(e)}}});["paused","currentTime","buffered","volume","poster","preload","error","seeking","seekable","ended","playbackRate","defaultPlaybackRate","played","networkState","readyState","videoWidth","videoHeight"].forEach(function(e){yi.prototype[e]=function(){return this.el_[e]}});["volume","src","poster","preload","playbackRate","defaultPlaybackRate"].forEach(function(e){yi.prototype["set"+je(e)]=function(t){this.el_[e]=t}});["pause","load","play"].forEach(function(e){yi.prototype[e]=function(){return this.el_[e]()}});sn.withSourceHandlers(yi);yi.nativeSourceHandler={};yi.nativeSourceHandler.canPlayType=function(e){try{return yi.TEST_VID.canPlayType(e)}catch(t){return""}};yi.nativeSourceHandler.canHandleSource=function(e){if(e.type){return yi.nativeSourceHandler.canPlayType(e.type)}else if(e.src){var t=ta(e.src);return yi.nativeSourceHandler.canPlayType("video/"+t)}return""};yi.nativeSourceHandler.handleSource=function(e,t){t.setSrc(e.src)};yi.nativeSourceHandler.dispose=function(){};yi.registerSourceHandler(yi.nativeSourceHandler);sn.registerTech("Html5",yi);var fi=["progress","abort","suspend","emptied","stalled","loadedmetadata","loadeddata","timeupdate","resize","volumechange","texttrackchange"],Ti={canplay:"CanPlay",canplaythrough:"CanPlayThrough",playing:"Playing",seeked:"Seeked"},bi=["tiny","xsmall","small","medium","large","xlarge","huge"],vi={};bi.forEach(function(e){var t="x"===e.charAt(0)?"x-"+e.substring(1):e;vi[e]="vjs-layout-"+t});var Si={tiny:210,xsmall:320,small:425,medium:768,large:1440,xlarge:2560,huge:1/0},ki=function(a){Ge(n,a);function n(e,r,i){var s;e.id=e.id||r.id||"vjs_video_"+ie();r=g(n.getTagSettings(e),r);r.initChildren=!1;r.createEl=!1;r.evented=!1;r.reportTouchActivity=!1;if(!r.language){if("function"==typeof e.closest){var l=e.closest("[lang]");if(l&&l.getAttribute){r.language=l.getAttribute("lang")}}else{var d=e;while(d&&1===d.nodeType){if(O(d).hasOwnProperty("lang")){r.language=d.getAttribute("lang");break}d=d.parentNode}}}s=a.call(this,null,r,i)||this;s.boundDocumentFullscreenChange_=ve(Ve(s),s.documentFullscreenChange_);s.boundFullWindowOnEscKey_=ve(Ve(s),s.fullWindowOnEscKey);s.isFullscreen_=!1;s.log=o(s.id_);s.fsApi_=Tt;s.isPosterFromTech_=!1;s.queuedCallbacks_=[];s.isReady_=!1;s.hasStarted_=!1;s.userActive_=!1;if(!s.options_||!s.options_.techOrder||!s.options_.techOrder.length){throw new Error("No techOrder specified. Did you overwrite videojs.options instead of just changing the properties you want to override?")}s.tag=e;s.tagAttributes=e&&O(e);s.language(s.options_.language);if(r.languages){var p={};Object.getOwnPropertyNames(r.languages).forEach(function(e){p[e.toLowerCase()]=r.languages[e]});s.languages_=p}else{s.languages_=n.prototype.options_.languages}s.resetCache_();s.poster_=r.poster||"";s.controls_=!!r.controls;e.controls=!1;e.removeAttribute("controls");s.changingSrc_=!1;s.playCallbacks_=[];s.playTerminatedQueue_=[];if(e.hasAttribute("autoplay")){s.autoplay(!0)}else{s.autoplay(s.options_.autoplay)}if(r.plugins){Object.keys(r.plugins).forEach(function(e){if("function"!=typeof s[e]){throw new Error("plugin \""+e+"\" does not exist")}})}s.scrubbing_=!1;s.el_=s.createEl();Ne(Ve(s),{eventBusKey:"el_"});if(s.fsApi_.requestFullscreen){ge(t,s.fsApi_.fullscreenchange,s.boundDocumentFullscreenChange_);s.on(s.fsApi_.fullscreenchange,s.boundDocumentFullscreenChange_)}if(s.fluid_){s.on("playerreset",s.updateStyleEl_)}var u=He(s.options_);if(r.plugins){Object.keys(r.plugins).forEach(function(e){s[e](r.plugins[e])})}s.options_.playerOptions=u;s.middleware_=[];s.initChildren();s.isAudio("audio"===e.nodeName.toLowerCase());if(s.controls()){s.addClass("vjs-controls-enabled")}else{s.addClass("vjs-controls-disabled")}s.el_.setAttribute("role","region");if(s.isAudio()){s.el_.setAttribute("aria-label",s.localize("Audio Player"))}else{s.el_.setAttribute("aria-label",s.localize("Video Player"))}if(s.isAudio()){s.addClass("vjs-audio")}if(s.flexNotSupported_()){s.addClass("vjs-no-flex")}if(lt){s.addClass("vjs-touch-enabled")}if(!ut){s.addClass("vjs-workinghover")}n.players[s.id_]=Ve(s);var c="7.7.6".split(".")[0];s.addClass("vjs-v"+c);s.userActive(!0);s.reportUserActivity();s.one("play",s.listenForUserActivity_);s.on("stageclick",s.handleStageClick_);s.on("keydown",s.handleKeyDown);s.breakpoints(s.options_.breakpoints);s.responsive(s.options_.responsive);return s}var r=n.prototype;r.dispose=function(){var e=this;this.trigger("dispose");this.off("dispose");ye(t,this.fsApi_.fullscreenchange,this.boundDocumentFullscreenChange_);ye(t,"keydown",this.boundFullWindowOnEscKey_);if(this.styleEl_&&this.styleEl_.parentNode){this.styleEl_.parentNode.removeChild(this.styleEl_);this.styleEl_=null}n.players[this.id_]=null;if(this.tag&&this.tag.player){this.tag.player=null}if(this.el_&&this.el_.player){this.el_.player=null}if(this.tech_){this.tech_.dispose();this.isPosterFromTech_=!1;this.poster_=""}if(this.playerElIngest_){this.playerElIngest_=null}if(this.tag){this.tag=null}bn(this);ka.names.forEach(function(t){var a=ka[t],n=e[a.getterName]();if(n&&n.off){n.off()}});a.prototype.dispose.call(this)};r.createEl=function(){var n=this.tag,r,s=this.playerElIngest_=n.parentNode&&n.parentNode.hasAttribute&&n.parentNode.hasAttribute("data-vjs-player"),o="video-js"===this.tag.tagName.toLowerCase();if(s){r=this.el_=n.parentNode}else if(!o){r=this.el_=a.prototype.createEl.call(this,"div")}var l=O(n);if(o){r=this.el_=n;n=this.tag=t.createElement("video");while(r.children.length){n.appendChild(r.firstChild)}if(!L(r,"video-js")){P(r,"video-js")}r.appendChild(n);s=this.playerElIngest_=r;Object.keys(r).forEach(function(e){try{n[e]=r[e]}catch(t){}})}n.setAttribute("tabindex","-1");l.tabindex="-1";if(it||nt&&ot){n.setAttribute("role","application");l.role="application"}n.removeAttribute("width");n.removeAttribute("height");if("width"in l){delete l.width}if("height"in l){delete l.height}Object.getOwnPropertyNames(l).forEach(function(e){if(!(o&&"class"===e)){r.setAttribute(e,l[e])}if(o){n.setAttribute(e,l[e])}});n.playerId=n.id;n.id+="_html5_api";n.className="vjs-tech";n.player=r.player=this;this.addClass("vjs-paused");if(!0!==e.VIDEOJS_NO_DYNAMIC_STYLE){this.styleEl_=ae("vjs-styles-dimensions");var d=Y(".vjs-styles-defaults"),p=Y("head");p.insertBefore(this.styleEl_,d?d.nextSibling:p.firstChild)}this.fill_=!1;this.fluid_=!1;this.width(this.options_.width);this.height(this.options_.height);this.fill(this.options_.fill);this.fluid(this.options_.fluid);this.aspectRatio(this.options_.aspectRatio);for(var u=n.getElementsByTagName("a"),c=0,m;c<u.length;c++){m=u.item(c);P(m,"vjs-hidden");m.setAttribute("hidden","hidden")}n.initNetworkState_=n.networkState;if(n.parentNode&&!s){n.parentNode.insertBefore(r,n)}x(n,r);this.children_.unshift(n);this.el_.setAttribute("lang",this.language_);this.el_=r;return r};r.width=function(e){return this.dimension("width",e)};r.height=function(e){return this.dimension("height",e)};r.dimension=function(e,t){var a=e+"_";if(t===void 0){return this[a]||0}if(""===t||"auto"===t){this[a]=void 0;this.updateStyleEl_();return}var n=parseFloat(t);if(isNaN(n)){s.error("Improper value \""+t+"\" supplied for for "+e);return}this[a]=n;this.updateStyleEl_()};r.fluid=function(e){if(e===void 0){return!!this.fluid_}this.fluid_=!!e;if(Ie(this)){this.off("playerreset",this.updateStyleEl_)}if(e){this.addClass("vjs-fluid");this.fill(!1);xe(function(){this.on("playerreset",this.updateStyleEl_)})}else{this.removeClass("vjs-fluid")}this.updateStyleEl_()};r.fill=function(e){if(e===void 0){return!!this.fill_}this.fill_=!!e;if(e){this.addClass("vjs-fill");this.fluid(!1)}else{this.removeClass("vjs-fill")}};r.aspectRatio=function(e){if(e===void 0){return this.aspectRatio_}if(!/^\d+\:\d+$/.test(e)){throw new Error("Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.")}this.aspectRatio_=e;this.fluid(!0);this.updateStyleEl_()};r.updateStyleEl_=function(){if(!0===e.VIDEOJS_NO_DYNAMIC_STYLE){var t="number"==typeof this.width_?this.width_:this.options_.width,a="number"==typeof this.height_?this.height_:this.options_.height,n=this.tech_&&this.tech_.el();if(n){if(0<=t){n.width=t}if(0<=a){n.height=a}}return}var r,i,s,o;if(this.aspectRatio_!==void 0&&"auto"!==this.aspectRatio_){s=this.aspectRatio_}else if(0<this.videoWidth()){s=this.videoWidth()+":"+this.videoHeight()}else{s="16:9"}var l=s.split(":"),d=l[1]/l[0];if(this.width_!==void 0){r=this.width_}else if(this.height_!==void 0){r=this.height_/d}else{r=this.videoWidth()||300}if(this.height_!==void 0){i=this.height_}else{i=r*d}if(/^[^a-zA-Z]/.test(this.id())){o="dimensions-"+this.id()}else{o=this.id()+"-dimensions"}this.addClass(o);ne(this.styleEl_,"\n      ."+o+" {\n        width: "+r+"px;\n        height: "+i+"px;\n      }\n\n      ."+o+".vjs-fluid {\n        padding-top: "+100*d+"%;\n      }\n    ")};r.loadTech_=function(e,t){var a=this;if(this.tech_){this.unloadTech_()}var n=je(e),r=e.charAt(0).toLowerCase()+e.slice(1);if("Html5"!==n&&this.tag){sn.getTech("Html5").disposeMediaElement(this.tag);this.tag.player=null;this.tag=null}this.techName_=n;this.isReady_=!1;var i="string"==typeof this.autoplay()?!1:this.autoplay(),s={source:t,autoplay:i,nativeControlsForTouch:this.options_.nativeControlsForTouch,playerId:this.id(),techId:this.id()+"_"+r+"_api",playsinline:this.options_.playsinline,preload:this.options_.preload,loop:this.options_.loop,muted:this.options_.muted,poster:this.poster(),language:this.language(),playerElIngest:this.playerElIngest_||!1,"vtt.js":this.options_["vtt.js"],canOverridePoster:!!this.options_.techCanOverridePoster,enableSourceset:this.options_.enableSourceset,Promise:this.options_.Promise};ka.names.forEach(function(e){var t=ka[e];s[t.getterName]=a[t.privateName]});g(s,this.options_[n]);g(s,this.options_[r]);g(s,this.options_[e.toLowerCase()]);if(this.tag){s.tag=this.tag}if(t&&t.src===this.cache_.src&&0<this.cache_.currentTime){s.startTime=this.cache_.currentTime}var o=sn.getTech(e);if(!o){throw new Error("No Tech named '"+n+"' exists! '"+n+"' should be registered using videojs.registerTech()'")}this.tech_=new o(s);this.tech_.ready(ve(this,this.handleTechReady_),!0);Dt.jsonToTextTracks(this.textTracksJson_||[],this.tech_);fi.forEach(function(e){a.on(a.tech_,e,a["handleTech"+je(e)+"_"])});Object.keys(Ti).forEach(function(e){a.on(a.tech_,e,function(t){if(0===a.tech_.playbackRate()&&a.tech_.seeking()){a.queuedCallbacks_.push({callback:a["handleTech"+Ti[e]+"_"].bind(a),event:t});return}a["handleTech"+Ti[e]+"_"](t)})});this.on(this.tech_,"loadstart",this.handleTechLoadStart_);this.on(this.tech_,"sourceset",this.handleTechSourceset_);this.on(this.tech_,"waiting",this.handleTechWaiting_);this.on(this.tech_,"ended",this.handleTechEnded_);this.on(this.tech_,"seeking",this.handleTechSeeking_);this.on(this.tech_,"play",this.handleTechPlay_);this.on(this.tech_,"firstplay",this.handleTechFirstPlay_);this.on(this.tech_,"pause",this.handleTechPause_);this.on(this.tech_,"durationchange",this.handleTechDurationChange_);this.on(this.tech_,"fullscreenchange",this.handleTechFullscreenChange_);this.on(this.tech_,"enterpictureinpicture",this.handleTechEnterPictureInPicture_);this.on(this.tech_,"leavepictureinpicture",this.handleTechLeavePictureInPicture_);this.on(this.tech_,"error",this.handleTechError_);this.on(this.tech_,"loadedmetadata",this.updateStyleEl_);this.on(this.tech_,"posterchange",this.handleTechPosterChange_);this.on(this.tech_,"textdata",this.handleTechTextData_);this.on(this.tech_,"ratechange",this.handleTechRateChange_);this.usingNativeControls(this.techGet_("controls"));if(this.controls()&&!this.usingNativeControls()){this.addTechControlsListeners_()}if(this.tech_.el().parentNode!==this.el()&&("Html5"!==n||!this.tag)){x(this.tech_.el(),this.el())}if(this.tag){this.tag.player=null;this.tag=null}};r.unloadTech_=function(){var e=this;ka.names.forEach(function(t){var a=ka[t];e[a.privateName]=e[a.getterName]()});this.textTracksJson_=Dt.textTracksToJson(this.tech_);this.isReady_=!1;this.tech_.dispose();this.tech_=!1;if(this.isPosterFromTech_){this.poster_="";this.trigger("posterchange")}this.isPosterFromTech_=!1};r.tech=function(e){if(e===void 0){s.warn("Using the tech directly can be dangerous. I hope you know what you're doing.\nSee https://github.com/videojs/video.js/issues/2617 for more info.\n")}return this.tech_};r.addTechControlsListeners_=function(){this.removeTechControlsListeners_();this.on(this.tech_,"mouseup",this.handleTechClick_);this.on(this.tech_,"dblclick",this.handleTechDoubleClick_);this.on(this.tech_,"touchstart",this.handleTechTouchStart_);this.on(this.tech_,"touchmove",this.handleTechTouchMove_);this.on(this.tech_,"touchend",this.handleTechTouchEnd_);this.on(this.tech_,"tap",this.handleTechTap_)};r.removeTechControlsListeners_=function(){this.off(this.tech_,"tap",this.handleTechTap_);this.off(this.tech_,"touchstart",this.handleTechTouchStart_);this.off(this.tech_,"touchmove",this.handleTechTouchMove_);this.off(this.tech_,"touchend",this.handleTechTouchEnd_);this.off(this.tech_,"mouseup",this.handleTechClick_);this.off(this.tech_,"dblclick",this.handleTechDoubleClick_)};r.handleTechReady_=function(){this.triggerReady();if(this.cache_.volume){this.techCall_("setVolume",this.cache_.volume)}this.handleTechPosterChange_();this.handleTechDurationChange_()};r.handleTechLoadStart_=function(){this.removeClass("vjs-ended");this.removeClass("vjs-seeking");this.error(null);this.handleTechDurationChange_();if(!this.paused()){this.trigger("loadstart");this.trigger("firstplay")}else{this.hasStarted(!1);this.trigger("loadstart")}this.manualAutoplay_(this.autoplay())};r.manualAutoplay_=function(e){var t=this;if(!this.tech_||"string"!=typeof e){return}var a=function(){var e=t.muted();t.muted(!0);var a=function(){t.muted(e)};t.playTerminatedQueue_.push(a);var n=t.play();if(!xt(n)){return}return n["catch"](a)},n;if("any"===e&&!0!==this.muted()){n=this.play();if(xt(n)){n=n["catch"](a)}}else if("muted"===e&&!0!==this.muted()){n=a()}else{n=this.play()}if(!xt(n)){return}return n.then(function(){t.trigger({type:"autoplay-success",autoplay:e})})["catch"](function(){t.trigger({type:"autoplay-failure",autoplay:e})})};r.updateSourceCaches_=function(e){if(void 0===e){e=""}var t=e,a="";if("string"!=typeof t){t=e.src;a=e.type}this.cache_.source=this.cache_.source||{};this.cache_.sources=this.cache_.sources||[];if(t&&!a){a=En(this,t)}this.cache_.source=He({},e,{src:t,type:a});for(var n=this.cache_.sources.filter(function(e){return e.src&&e.src===t}),r=[],s=this.$$("source"),o=[],l=0,d;l<s.length;l++){d=O(s[l]);r.push(d);if(d.src&&d.src===t){o.push(d.src)}}if(o.length&&!n.length){this.cache_.sources=r}else if(!n.length){this.cache_.sources=[this.cache_.source]}this.cache_.src=t};r.handleTechSourceset_=function(e){var t=this;if(!this.changingSrc_){var a=function(e){return t.updateSourceCaches_(e)},n=this.currentSource().src,r=e.src;if(n&&!/^blob:/.test(n)&&/^blob:/.test(r)){if(!this.lastSource_||this.lastSource_.tech!==r&&this.lastSource_.player!==n){a=function(){}}}a(r);if(!e.src){this.tech_.any(["sourceset","loadstart"],function(a){if("sourceset"===a.type){return}var e=t.techGet("currentSrc");t.lastSource_.tech=e;t.updateSourceCaches_(e)})}}this.lastSource_={player:this.currentSource().src,tech:e.src};this.trigger({src:e.src,type:"sourceset"})};r.hasStarted=function(e){if(e===void 0){return this.hasStarted_}if(e===this.hasStarted_){return}this.hasStarted_=e;if(this.hasStarted_){this.addClass("vjs-has-started");this.trigger("firstplay")}else{this.removeClass("vjs-has-started")}};r.handleTechPlay_=function(){this.removeClass("vjs-ended");this.removeClass("vjs-paused");this.addClass("vjs-playing");this.hasStarted(!0);this.trigger("play")};r.handleTechRateChange_=function(){if(0<this.tech_.playbackRate()&&0===this.cache_.lastPlaybackRate){this.queuedCallbacks_.forEach(function(e){return e.callback(e.event)});this.queuedCallbacks_=[]}this.cache_.lastPlaybackRate=this.tech_.playbackRate();this.trigger("ratechange")};r.handleTechWaiting_=function(){var e=this;this.addClass("vjs-waiting");this.trigger("waiting");var t=this.currentTime();this.on("timeupdate",function a(){if(t!==e.currentTime()){e.removeClass("vjs-waiting");e.off("timeupdate",a)}})};r.handleTechCanPlay_=function(){this.removeClass("vjs-waiting");this.trigger("canplay")};r.handleTechCanPlayThrough_=function(){this.removeClass("vjs-waiting");this.trigger("canplaythrough")};r.handleTechPlaying_=function(){this.removeClass("vjs-waiting");this.trigger("playing")};r.handleTechSeeking_=function(){this.addClass("vjs-seeking");this.trigger("seeking")};r.handleTechSeeked_=function(){this.removeClass("vjs-seeking");this.removeClass("vjs-ended");this.trigger("seeked")};r.handleTechFirstPlay_=function(){if(this.options_.starttime){s.warn("Passing the `starttime` option to the player will be deprecated in 6.0");this.currentTime(this.options_.starttime)}this.addClass("vjs-has-started");this.trigger("firstplay")};r.handleTechPause_=function(){this.removeClass("vjs-playing");this.addClass("vjs-paused");this.trigger("pause")};r.handleTechEnded_=function(){this.addClass("vjs-ended");if(this.options_.loop){this.currentTime(0);this.play()}else if(!this.paused()){this.pause()}this.trigger("ended")};r.handleTechDurationChange_=function(){this.duration(this.techGet_("duration"))};r.handleTechClick_=function(e){if(!K(e)){return}if(!this.controls_){return}if(this.paused()){Lt(this.play())}else{this.pause()}};r.handleTechDoubleClick_=function(e){if(!this.controls_){return}var t=Array.prototype.some.call(this.$$(".vjs-control-bar, .vjs-modal-dialog"),function(t){return t.contains(e.target)});if(!t){if(this.options_===void 0||this.options_.userActions===void 0||this.options_.userActions.doubleClick===void 0||!1!==this.options_.userActions.doubleClick){if(this.options_!==void 0&&this.options_.userActions!==void 0&&"function"==typeof this.options_.userActions.doubleClick){this.options_.userActions.doubleClick.call(this,e)}else if(this.isFullscreen()){this.exitFullscreen()}else{this.requestFullscreen()}}}};r.handleTechTap_=function(){this.userActive(!this.userActive())};r.handleTechTouchStart_=function(){this.userWasActive=this.userActive()};r.handleTechTouchMove_=function(){if(this.userWasActive){this.reportUserActivity()}};r.handleTechTouchEnd_=function(e){e.preventDefault()};r.handleStageClick_=function(){this.reportUserActivity()};r.toggleFullscreenClass_=function(){if(this.isFullscreen()){this.addClass("vjs-fullscreen")}else{this.removeClass("vjs-fullscreen")}};r.documentFullscreenChange_=function(a){var e=a.target.player;if(e&&e!==this){return}var n=this.el(),r=t[this.fsApi_.fullscreenElement]===n;if(!r&&n.matches){r=n.matches(":"+this.fsApi_.fullscreen)}else if(!r&&n.msMatchesSelector){r=n.msMatchesSelector(":"+this.fsApi_.fullscreen)}this.isFullscreen(r)};r.handleTechFullscreenChange_=function(e,t){if(t){this.isFullscreen(t.isFullscreen)}};r.togglePictureInPictureClass_=function(){if(this.isInPictureInPicture()){this.addClass("vjs-picture-in-picture")}else{this.removeClass("vjs-picture-in-picture")}};r.handleTechEnterPictureInPicture_=function(){this.isInPictureInPicture(!0)};r.handleTechLeavePictureInPicture_=function(){this.isInPictureInPicture(!1)};r.handleTechError_=function(){var e=this.tech_.error();this.error(e)};r.handleTechTextData_=function(){var e=null;if(1<arguments.length){e=arguments[1]}this.trigger("textdata",e)};r.getCache=function(){return this.cache_};r.resetCache_=function(){this.cache_={currentTime:0,inactivityTimeout:this.options_.inactivityTimeout,duration:NaN,lastVolume:1,lastPlaybackRate:this.defaultPlaybackRate(),media:null,src:"",source:{},sources:[],volume:1}};r.techCall_=function(e,t){this.ready(function(){if(e in hn){return mn(this.middleware_,this.tech_,e,t)}else if(e in _n){return gn(this.middleware_,this.tech_,e,t)}try{if(this.tech_){this.tech_[e](t)}}catch(t){s(t);throw t}},!0)};r.techGet_=function(t){if(!this.tech_||!this.tech_.isReady_){return}if(t in yn){return cn(this.middleware_,this.tech_,t)}else if(t in _n){return gn(this.middleware_,this.tech_,t)}try{return this.tech_[t]()}catch(a){if(this.tech_[t]===void 0){s("Video.js: "+t+" method not defined for "+this.techName_+" playback technology.",a);throw a}if("TypeError"===a.name){s("Video.js: "+t+" unavailable on "+this.techName_+" playback technology element.",a);this.tech_.isReady_=!1;throw a}s(a);throw a}};r.play=function(){var t=this,a=this.options_.Promise||e.Promise;if(a){return new a(function(e){t.play_(e)})}return this.play_()};r.play_=function(e){var t=this;if(void 0===e){e=Lt}this.playCallbacks_.push(e);var a=!!(!this.changingSrc_&&(this.src()||this.currentSrc()));if(this.waitToPlay_){this.off(["ready","loadstart"],this.waitToPlay_);this.waitToPlay_=null}if(!this.isReady_||!a){this.waitToPlay_=function(){t.play_()};this.one(["ready","loadstart"],this.waitToPlay_);if(!a&&(ct||ut)){this.load()}return}var n=this.techGet_("play");if(null===n){this.runPlayTerminatedQueue_()}else{this.runPlayCallbacks_(n)}};r.runPlayTerminatedQueue_=function(){var e=this.playTerminatedQueue_.slice(0);this.playTerminatedQueue_=[];e.forEach(function(e){e()})};r.runPlayCallbacks_=function(e){var t=this.playCallbacks_.slice(0);this.playCallbacks_=[];this.playTerminatedQueue_=[];t.forEach(function(t){t(e)})};r.pause=function(){this.techCall_("pause")};r.paused=function(){return!1===this.techGet_("paused")?!1:!0};r.played=function(){return this.techGet_("played")||_t(0,0)};r.scrubbing=function(e){if("undefined"==typeof e){return this.scrubbing_}this.scrubbing_=!!e;if(e){this.addClass("vjs-scrubbing")}else{this.removeClass("vjs-scrubbing")}};r.currentTime=function(e){if("undefined"!=typeof e){if(0>e){e=0}this.techCall_("setCurrentTime",e);return}this.cache_.currentTime=this.techGet_("currentTime")||0;return this.cache_.currentTime};r.duration=function(e){if(e===void 0){return this.cache_.duration!==void 0?this.cache_.duration:NaN}e=parseFloat(e);if(0>e){e=1/0}if(e!==this.cache_.duration){this.cache_.duration=e;if(e===1/0){this.addClass("vjs-live")}else{this.removeClass("vjs-live")}if(!isNaN(e)){this.trigger("durationchange")}}};r.remainingTime=function(){return this.duration()-this.currentTime()};r.remainingTimeDisplay=function(){return Math.floor(this.duration())-Math.floor(this.currentTime())};r.buffered=function e(){var e=this.techGet_("buffered");if(!e||!e.length){e=_t(0,0)}return e};r.bufferedPercent=function(){return ft(this.buffered(),this.duration())};r.bufferedEnd=function(){var e=this.buffered(),t=this.duration(),a=e.end(e.length-1);if(a>t){a=t}return a};r.volume=function(e){var t;if(e!==void 0){t=Math.max(0,Math.min(1,parseFloat(e)));this.cache_.volume=t;this.techCall_("setVolume",t);if(0<t){this.lastVolume_(t)}return}t=parseFloat(this.techGet_("volume"));return isNaN(t)?1:t};r.muted=function(e){if(e!==void 0){this.techCall_("setMuted",e);return}return this.techGet_("muted")||!1};r.defaultMuted=function(e){if(e!==void 0){return this.techCall_("setDefaultMuted",e)}return this.techGet_("defaultMuted")||!1};r.lastVolume_=function(e){if(e!==void 0&&0!==e){this.cache_.lastVolume=e;return}return this.cache_.lastVolume};r.supportsFullScreen=function(){return this.techGet_("supportsFullScreen")||!1};r.isFullscreen=function(e){if(e!==void 0){var t=this.isFullscreen_;this.isFullscreen_=!!e;if(this.isFullscreen_!==t&&this.fsApi_.prefixed){this.trigger("fullscreenchange")}this.toggleFullscreenClass_();return}return this.isFullscreen_};r.requestFullscreen=function(e){var t=this,a;if(!this.fsApi_.prefixed){a=this.options_.fullscreen&&this.options_.fullscreen.options||{};if(e!==void 0){a=e}}if(this.fsApi_.requestFullscreen){var n=this.el_[this.fsApi_.requestFullscreen](a);if(n){n.then(function(){return t.isFullscreen(!0)},function(){return t.isFullscreen(!1)})}return n}else if(this.tech_.supportsFullScreen()){this.techCall_("enterFullScreen")}else{this.enterFullWindow()}};r.exitFullscreen=function(){var e=this;if(this.fsApi_.requestFullscreen){var a=t[this.fsApi_.exitFullscreen]();if(a){a.then(function(){return e.isFullscreen(!1)})}return a}else if(this.tech_.supportsFullScreen()){this.techCall_("exitFullScreen")}else{this.exitFullWindow()}};r.enterFullWindow=function(){this.isFullscreen(!0);this.isFullWindow=!0;this.docOrigOverflow=t.documentElement.style.overflow;ge(t,"keydown",this.boundFullWindowOnEscKey_);t.documentElement.style.overflow="hidden";P(t.body,"vjs-full-window");this.trigger("enterFullWindow")};r.fullWindowOnEscKey=function(e){if(wt.isEventKey(e,"Esc")){if(!0===this.isFullscreen()){this.exitFullscreen()}else{this.exitFullWindow()}}};r.exitFullWindow=function(){this.isFullscreen(!1);this.isFullWindow=!1;ye(t,"keydown",this.boundFullWindowOnEscKey_);t.documentElement.style.overflow=this.docOrigOverflow;D(t.body,"vjs-full-window");this.trigger("exitFullWindow")};r.isInPictureInPicture=function(e){if(e!==void 0){this.isInPictureInPicture_=!!e;this.togglePictureInPictureClass_();return}return!!this.isInPictureInPicture_};r.requestPictureInPicture=function(){if("pictureInPictureEnabled"in t){return this.techGet_("requestPictureInPicture")}};r.exitPictureInPicture=function(){if("pictureInPictureEnabled"in t){return t.exitPictureInPicture()}};r.handleKeyDown=function(e){var t=this.options_.userActions;if(!t||!t.hotkeys){return}if(function(e){var t=e.tagName.toLowerCase();if(e.isContentEditable){return!0}if("input"===t){return-1===["button","checkbox","hidden","radio","reset","submit"].indexOf(e.type)}return-1!==["textarea"].indexOf(t)}(this.el_.ownerDocument.activeElement)){return}if("function"==typeof t.hotkeys){t.hotkeys.call(this,e)}else{this.handleHotkeys(e)}};r.handleHotkeys=function(e){var a=this.options_.userActions?this.options_.userActions.hotkeys:{},n=a.fullscreenKey,r=void 0===n?function(e){return wt.isEventKey(e,"f")}:n,i=a.muteKey,s=void 0===i?function(e){return wt.isEventKey(e,"m")}:i,o=a.playPauseKey,l=void 0===o?function(e){return wt.isEventKey(e,"k")||wt.isEventKey(e,"Space")}:o;if(r.call(this,e)){e.preventDefault();e.stopPropagation();var d=qe.getComponent("FullscreenToggle");if(!1!==t[this.fsApi_.fullscreenEnabled]){d.prototype.handleClick.call(this,e)}}else if(s.call(this,e)){e.preventDefault();e.stopPropagation();var p=qe.getComponent("MuteToggle");p.prototype.handleClick.call(this,e)}else if(l.call(this,e)){e.preventDefault();e.stopPropagation();var u=qe.getComponent("PlayToggle");u.prototype.handleClick.call(this,e)}};r.canPlayType=function(e){for(var t,a=0,n=this.options_.techOrder;a<n.length;a++){var r=n[a],o=sn.getTech(r);if(!o){o=qe.getComponent(r)}if(!o){s.error("The \""+r+"\" tech is undefined. Skipped browser support check for that tech.");continue}if(o.isSupported()){t=o.canPlayType(e);if(t){return t}}}return""};r.selectSource=function(e){var t=this,a=this.options_.techOrder.map(function(e){return[e,sn.getTech(e)]}).filter(function(e){var t=e[0],a=e[1];if(a){return a.isSupported()}s.error("The \""+t+"\" tech is undefined. Skipped browser support check for that tech.");return!1}),n=function(e,t,a){var n;e.some(function(e){return t.some(function(t){n=a(e,t);if(n){return!0}})});return n},r,i=function(e){return function(t,a){return e(a,t)}},o=function(e,a){var n=e[0],r=e[1];if(r.canPlaySource(a,t.options_[n.toLowerCase()])){return{source:a,tech:n}}};if(this.options_.sourceOrder){r=n(e,a,i(o))}else{r=n(a,e,o)}return r||!1};r.src=function(e){var t=this;if("undefined"==typeof e){return this.cache_.src||""}var a=In(e);if(!a.length){this.setTimeout(function(){this.error({code:4,message:this.localize(this.options_.notSupportedMessage)})},0);return}this.changingSrc_=!0;this.cache_.sources=a;this.updateSourceCaches_(a[0]);pn(this,a[0],function(e,n){t.middleware_=n;t.cache_.sources=a;t.updateSourceCaches_(e);var r=t.src_(e);if(r){if(1<a.length){return t.src(a.slice(1))}t.changingSrc_=!1;t.setTimeout(function(){this.error({code:4,message:this.localize(this.options_.notSupportedMessage)})},0);t.triggerReady();return}un(n,t.tech_)})};r.src_=function(e){var t=this,a=this.selectSource([e]);if(!a){return!0}if(!Fe(a.tech,this.techName_)){this.changingSrc_=!0;this.loadTech_(a.tech,a.source);this.tech_.ready(function(){t.changingSrc_=!1});return!1}this.ready(function(){if(this.tech_.constructor.prototype.hasOwnProperty("setSource")){this.techCall_("setSource",e)}else{this.techCall_("src",e.src)}this.changingSrc_=!1},!0);return!1};r.load=function(){this.techCall_("load")};r.reset=function(){var t=this,a=this.options_.Promise||e.Promise;if(this.paused()||!a){this.doReset_()}else{var n=this.play();Lt(n.then(function(){return t.doReset_()}))}};r.doReset_=function(){if(this.tech_){this.tech_.clearTracks("text")}this.resetCache_();this.poster("");this.loadTech_(this.options_.techOrder[0],null);this.techCall_("reset");this.resetControlBarUI_();if(Ie(this)){this.trigger("playerreset")}};r.resetControlBarUI_=function(){this.resetProgressBar_();this.resetPlaybackRate_();this.resetVolumeBar_()};r.resetProgressBar_=function(){this.currentTime(0);var e=this.controlBar,t=e.durationDisplay,a=e.remainingTimeDisplay;if(t){t.updateContent()}if(a){a.updateContent()}};r.resetPlaybackRate_=function(){this.playbackRate(this.defaultPlaybackRate());this.handleTechRateChange_()};r.resetVolumeBar_=function(){this.volume(1);this.trigger("volumechange")};r.currentSources=function(){var e=this.currentSource(),t=[];if(0!==Object.keys(e).length){t.push(e)}return this.cache_.sources||t};r.currentSource=function(){return this.cache_.source||{}};r.currentSrc=function(){return this.currentSource()&&this.currentSource().src||""};r.currentType=function(){return this.currentSource()&&this.currentSource().type||""};r.preload=function(e){if(e!==void 0){this.techCall_("setPreload",e);this.options_.preload=e;return}return this.techGet_("preload")};r.autoplay=function(e){if(e===void 0){return this.options_.autoplay||!1}var t;if("string"==typeof e&&/(any|play|muted)/.test(e)){this.options_.autoplay=e;this.manualAutoplay_(e);t=!1}else if(!e){this.options_.autoplay=!1}else{this.options_.autoplay=!0}t="undefined"==typeof t?this.options_.autoplay:t;if(this.tech_){this.techCall_("setAutoplay",t)}};r.playsinline=function(e){if(e!==void 0){this.techCall_("setPlaysinline",e);this.options_.playsinline=e;return this}return this.techGet_("playsinline")};r.loop=function(e){if(e!==void 0){this.techCall_("setLoop",e);this.options_.loop=e;return}return this.techGet_("loop")};r.poster=function(e){if(e===void 0){return this.poster_}if(!e){e=""}if(e===this.poster_){return}this.poster_=e;this.techCall_("setPoster",e);this.isPosterFromTech_=!1;this.trigger("posterchange")};r.handleTechPosterChange_=function(){if((!this.poster_||this.options_.techCanOverridePoster)&&this.tech_&&this.tech_.poster){var e=this.tech_.poster()||"";if(e!==this.poster_){this.poster_=e;this.isPosterFromTech_=!0;this.trigger("posterchange")}}};r.controls=function(e){if(e===void 0){return!!this.controls_}e=!!e;if(this.controls_===e){return}this.controls_=e;if(this.usingNativeControls()){this.techCall_("setControls",e)}if(this.controls_){this.removeClass("vjs-controls-disabled");this.addClass("vjs-controls-enabled");this.trigger("controlsenabled");if(!this.usingNativeControls()){this.addTechControlsListeners_()}}else{this.removeClass("vjs-controls-enabled");this.addClass("vjs-controls-disabled");this.trigger("controlsdisabled");if(!this.usingNativeControls()){this.removeTechControlsListeners_()}}};r.usingNativeControls=function(e){if(e===void 0){return!!this.usingNativeControls_}e=!!e;if(this.usingNativeControls_===e){return}this.usingNativeControls_=e;if(this.usingNativeControls_){this.addClass("vjs-using-native-controls");this.trigger("usingnativecontrols")}else{this.removeClass("vjs-using-native-controls");this.trigger("usingcustomcontrols")}};r.error=function(e){if(e===void 0){return this.error_||null}if(this.options_.suppressNotSupportedError&&e&&4===e.code){var t=function(){this.error(e)};this.options_.suppressNotSupportedError=!1;this.any(["click","touchstart"],t);this.one("loadstart",function(){this.off(["click","touchstart"],t)});return}if(null===e){this.error_=e;this.removeClass("vjs-error");if(this.errorDisplay){this.errorDisplay.close()}return}this.error_=new Et(e);this.addClass("vjs-error");s.error("(CODE:"+this.error_.code+" "+Et.errorTypes[this.error_.code]+")",this.error_.message,this.error_);this.trigger("error")};r.reportUserActivity=function(){this.userActivity_=!0};r.userActive=function(e){if(e===void 0){return this.userActive_}e=!!e;if(e===this.userActive_){return}this.userActive_=e;if(this.userActive_){this.userActivity_=!0;this.removeClass("vjs-user-inactive");this.addClass("vjs-user-active");this.trigger("useractive");return}if(this.tech_){this.tech_.one("mousemove",function(t){t.stopPropagation();t.preventDefault()})}this.userActivity_=!1;this.removeClass("vjs-user-active");this.addClass("vjs-user-inactive");this.trigger("userinactive")};r.listenForUserActivity_=function(){var e,t,a,n=ve(this,this.reportUserActivity),r=function(r){if(r.screenX!==t||r.screenY!==a){t=r.screenX;a=r.screenY;n()}},i=function(){n();this.clearInterval(e);e=this.setInterval(n,250)},s=function(){n();this.clearInterval(e)};this.on("mousedown",i);this.on("mousemove",r);this.on("mouseup",s);this.on("mouseleave",s);var o=this.getChild("controlBar");if(o&&!ut&&!Je){o.on("mouseenter",function(){this.player().cache_.inactivityTimeout=this.player().options_.inactivityTimeout;this.player().options_.inactivityTimeout=0});o.on("mouseleave",function(){this.player().options_.inactivityTimeout=this.player().cache_.inactivityTimeout})}this.on("keydown",n);this.on("keyup",n);var l;this.setInterval(function(){if(!this.userActivity_){return}this.userActivity_=!1;this.userActive(!0);this.clearTimeout(l);var e=this.options_.inactivityTimeout;if(0>=e){return}l=this.setTimeout(function(){if(!this.userActivity_){this.userActive(!1)}},e)},250)};r.playbackRate=function(e){if(e!==void 0){this.techCall_("setPlaybackRate",e);return}if(this.tech_&&this.tech_.featuresPlaybackRate){return this.cache_.lastPlaybackRate||this.techGet_("playbackRate")}return 1};r.defaultPlaybackRate=function(e){if(e!==void 0){return this.techCall_("setDefaultPlaybackRate",e)}if(this.tech_&&this.tech_.featuresPlaybackRate){return this.techGet_("defaultPlaybackRate")}return 1};r.isAudio=function(e){if(e!==void 0){this.isAudio_=!!e;return}return!!this.isAudio_};r.addTextTrack=function(e,t,a){if(this.tech_){return this.tech_.addTextTrack(e,t,a)}};r.addRemoteTextTrack=function(e,t){if(this.tech_){return this.tech_.addRemoteTextTrack(e,t)}};r.removeRemoteTextTrack=function(e){if(void 0===e){e={}}var t=e,a=t.track;if(!a){a=e}if(this.tech_){return this.tech_.removeRemoteTextTrack(a)}};r.getVideoPlaybackQuality=function(){return this.techGet_("getVideoPlaybackQuality")};r.videoWidth=function(){return this.tech_&&this.tech_.videoWidth&&this.tech_.videoWidth()||0};r.videoHeight=function(){return this.tech_&&this.tech_.videoHeight&&this.tech_.videoHeight()||0};r.language=function(e){if(e===void 0){return this.language_}this.language_=(e+"").toLowerCase()};r.languages=function(){return He(n.prototype.options_.languages,this.languages_)};r.toJSON=function(){var e=He(this.options_),t=e.tracks;e.tracks=[];for(var a=0,n;a<t.length;a++){n=t[a];n=He(n);n.player=void 0;e.tracks[a]=n}return e};r.createModal=function(e,t){var a=this;t=t||{};t.content=e||"";var n=new Bt(this,t);this.addChild(n);n.on("dispose",function(){a.removeChild(n)});n.open();return n};r.updateCurrentBreakpoint_=function(){if(!this.responsive()){return}for(var e=this.currentBreakpoint(),t=this.currentWidth(),a=0;a<bi.length;a++){var n=bi[a],r=this.breakpoints_[n];if(t<=r){if(e===n){return}if(e){this.removeClass(vi[e])}this.addClass(vi[n]);this.breakpoint_=n;break}}};r.removeCurrentBreakpoint_=function(){var e=this.currentBreakpointClass();this.breakpoint_="";if(e){this.removeClass(e)}};r.breakpoints=function(e){if(e===void 0){return g(this.breakpoints_)}this.breakpoint_="";this.breakpoints_=g({},Si,e);this.updateCurrentBreakpoint_();return g(this.breakpoints_)};r.responsive=function(e){if(e===void 0){return this.responsive_}e=!!e;var 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e=this.poster(),t=this.currentSources(),a=Array.prototype.map.call(this.remoteTextTracks(),function(e){return{kind:e.kind,label:e.label,language:e.language,src:e.src}}),n={src:t,textTracks:a};if(e){n.poster=e;n.artwork=[{src:n.poster,type:Cn(n.poster)}]}return n}return He(this.cache_.media)};n.getTagSettings=function(e){var t={sources:[],tracks:[]},a=O(e),n=a["data-setup"];if(L(e,"vjs-fill")){a.fill=!0}if(L(e,"vjs-fluid")){a.fluid=!0}if(null!==n){var r=SafeParseTuple(n||"{}"),o=r[0],l=r[1];if(o){s.error(o)}g(a,l)}g(t,a);if(e.hasChildNodes()){for(var d=e.childNodes,p=0,u=d.length;p<u;p++){var c=d[p],m=c.nodeName.toLowerCase();if("source"===m){t.sources.push(O(c))}else if("track"===m){t.tracks.push(O(c))}}}return t};r.flexNotSupported_=function(){var e=t.createElement("i");return!("flexBasis"in e.style||"webkitFlexBasis"in e.style||"mozFlexBasis"in e.style||"msFlexBasis"in e.style||"msFlexOrder"in e.style)};return n}(qe);ka.names.forEach(function(e){var 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DataView(e.buffer,e.byteOffset,e.byteLength),a={majorBrand:sd(e.subarray(0,4)),minorVersion:t.getUint32(4),compatibleBrands:[]},n=8;while(n<e.byteLength){a.compatibleBrands.push(sd(e.subarray(n,n+4)));n+=4}return a},dinf:function(e){return{boxes:td(e)}},dref:function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),dataReferences:td(e.subarray(8))}},hdlr:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4)),handlerType:sd(e.subarray(8,12)),name:""},n=8;for(n=24;n<e.byteLength;n++){if(0===e[n]){n++;break}a.name+=String.fromCharCode(e[n])}a.name=decodeURIComponent(escape(a.name));return a},mdat:function(e){return{byteLength:e.byteLength,nals:ld(e)}},mdhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a=4,n,r={version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4)),language:""};if(1===r.version){a+=4;r.creationTime=rd(t.getUint32(a));a+=8;r.modificationTime=rd(t.getUint32(a));a+=4;r.timescale=t.getUint32(a);a+=8;r.duration=t.getUint32(a)}else{r.creationTime=rd(t.getUint32(a));a+=4;r.modificationTime=rd(t.getUint32(a));a+=4;r.timescale=t.getUint32(a);a+=4;r.duration=t.getUint32(a)}a+=4;n=t.getUint16(a);r.language+=String.fromCharCode((n>>10)+96);r.language+=String.fromCharCode(((992&n)>>5)+96);r.language+=String.fromCharCode((31&n)+96);return r},mdia:function(e){return{boxes:td(e)}},mfhd:function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),sequenceNumber:e[4]<<24|e[5]<<16|e[6]<<8|e[7]}},minf:function(e){return{boxes:td(e)}},mp4a:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={dataReferenceIndex:t.getUint16(6),channelcount:t.getUint16(16),samplesize:t.getUint16(18),samplerate:t.getUint16(24)+t.getUint16(26)/65536};if(28<e.byteLength){a.streamDescriptor=td(e.subarray(28))[0]}return a},moof:function(e){return{boxes:td(e)}},moov:function(e){return{boxes:td(e)}},mvex:function(e){return{boxes:td(e)}},mvhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a=4,n={version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4))};if(1===n.version){a+=4;n.creationTime=rd(t.getUint32(a));a+=8;n.modificationTime=rd(t.getUint32(a));a+=4;n.timescale=t.getUint32(a);a+=8;n.duration=t.getUint32(a)}else{n.creationTime=rd(t.getUint32(a));a+=4;n.modificationTime=rd(t.getUint32(a));a+=4;n.timescale=t.getUint32(a);a+=4;n.duration=t.getUint32(a)}a+=4;n.rate=t.getUint16(a)+t.getUint16(a+2)/16;a+=4;n.volume=t.getUint8(a)+t.getUint8(a+1)/8;a+=2;a+=2;a+=8;n.matrix=new Uint32Array(e.subarray(a,a+36));a+=36;a+=24;n.nextTrackId=t.getUint32(a);return n},pdin:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return{version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4)),rate:t.getUint32(4),initialDelay:t.getUint32(8)}},sdtp:function(e){var t={version:e[0],flags:new Uint8Array(e.subarray(1,4)),samples:[]},a;for(a=4;a<e.byteLength;a++){t.samples.push({dependsOn:(48&e[a])>>4,isDependedOn:(12&e[a])>>2,hasRedundancy:3&e[a]})}return t},sidx:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),references:[],referenceId:t.getUint32(4),timescale:t.getUint32(8),earliestPresentationTime:t.getUint32(12),firstOffset:t.getUint32(16)},n=t.getUint16(22),r;for(r=24;n;r+=12,n--){a.references.push({referenceType:(128&e[r])>>>7,referencedSize:2147483647&t.getUint32(r),subsegmentDuration:t.getUint32(r+4),startsWithSap:!!(128&e[r+8]),sapType:(112&e[r+8])>>>4,sapDeltaTime:268435455&t.getUint32(r+8)})}return a},smhd:function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),balance:e[4]+e[5]/256}},stbl:function(e){return{boxes:td(e)}},stco:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),chunkOffsets:[]},n=t.getUint32(4),r;for(r=8;n;r+=4,n--){a.chunkOffsets.push(t.getUint32(r))}return a},stsc:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a=t.getUint32(4),n={version:e[0],flags:new Uint8Array(e.subarray(1,4)),sampleToChunks:[]},r;for(r=8;a;r+=12,a--){n.sampleToChunks.push({firstChunk:t.getUint32(r),samplesPerChunk:t.getUint32(r+4),sampleDescriptionIndex:t.getUint32(r+8)})}return n},stsd:function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),sampleDescriptions:td(e.subarray(8))}},stsz:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),sampleSize:t.getUint32(4),entries:[]},n;for(n=12;n<e.byteLength;n+=4){a.entries.push(t.getUint32(n))}return a},stts:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),timeToSamples:[]},n=t.getUint32(4),r;for(r=8;n;r+=8,n--){a.timeToSamples.push({sampleCount:t.getUint32(r),sampleDelta:t.getUint32(r+4)})}return a},styp:function(e){return dd.ftyp(e)},tfdt:function(e){var t={version:e[0],flags:new Uint8Array(e.subarray(1,4)),baseMediaDecodeTime:nd(e[4]<<24|e[5]<<16|e[6]<<8|e[7])};if(1===t.version){t.baseMediaDecodeTime*=Math.pow(2,32);t.baseMediaDecodeTime+=nd(e[8]<<24|e[9]<<16|e[10]<<8|e[11])}return t},tfhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a={version:e[0],flags:new Uint8Array(e.subarray(1,4)),trackId:t.getUint32(4)},n=1&a.flags[2],r=2&a.flags[2],s=8&a.flags[2],o=16&a.flags[2],l=32&a.flags[2],d=65536&a.flags[0],p=131072&a.flags[0],u;u=8;if(n){u+=4;a.baseDataOffset=t.getUint32(12);u+=4}if(r){a.sampleDescriptionIndex=t.getUint32(u);u+=4}if(s){a.defaultSampleDuration=t.getUint32(u);u+=4}if(o){a.defaultSampleSize=t.getUint32(u);u+=4}if(l){a.defaultSampleFlags=t.getUint32(u)}if(d){a.durationIsEmpty=!0}if(!n&&p){a.baseDataOffsetIsMoof=!0}return a},tkhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength),a=4,n={version:t.getUint8(0),flags:new Uint8Array(e.subarray(1,4))};if(1===n.version){a+=4;n.creationTime=rd(t.getUint32(a));a+=8;n.modificationTime=rd(t.getUint32(a));a+=4;n.trackId=t.getUint32(a);a+=4;a+=8;n.duration=t.getUint32(a)}else{n.creationTime=rd(t.getUint32(a));a+=4;n.modificationTime=rd(t.getUint32(a));a+=4;n.trackId=t.getUint32(a);a+=4;a+=4;n.duration=t.getUint32(a)}a+=4;a+=8;n.layer=t.getUint16(a);a+=2;n.alternateGroup=t.getUint16(a);a+=2;n.volume=t.getUint8(a)+t.getUint8(a+1)/8;a+=2;a+=2;n.matrix=new Uint32Array(e.subarray(a,a+36));a+=36;n.width=t.getUint16(a)+t.getUint16(a+2)/16;a+=4;n.height=t.getUint16(a)+t.getUint16(a+2)/16;return n},traf:function(e){return{boxes:td(e)}},trak:function(e){return{boxes:td(e)}},trex:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),trackId:t.getUint32(4),defaultSampleDescriptionIndex:t.getUint32(8),defaultSampleDuration:t.getUint32(12),defaultSampleSize:t.getUint32(16),sampleDependsOn:3&e[20],sampleIsDependedOn:(192&e[21])>>6,sampleHasRedundancy:(48&e[21])>>4,samplePaddingValue:(14&e[21])>>1,sampleIsDifferenceSample:!!(1&e[21]),sampleDegradationPriority:t.getUint16(22)}},trun:function(e){var t={version:e[0],flags:new Uint8Array(e.subarray(1,4)),samples:[]},a=new DataView(e.buffer,e.byteOffset,e.byteLength),n=1&t.flags[2],r=4&t.flags[2],i=1&t.flags[1],s=2&t.flags[1],o=4&t.flags[1],l=8&t.flags[1],d=a.getUint32(4),p=8,u;if(n){t.dataOffset=a.getInt32(p);p+=4}if(r&&d){u={flags:id(e.subarray(p,p+4))};p+=4;if(i){u.duration=a.getUint32(p);p+=4}if(s){u.size=a.getUint32(p);p+=4}if(l){u.compositionTimeOffset=a.getUint32(p);p+=4}t.samples.push(u);d--}while(d--){u={};if(i){u.duration=a.getUint32(p);p+=4}if(s){u.size=a.getUint32(p);p+=4}if(o){u.flags=id(e.subarray(p,p+4));p+=4}if(l){u.compositionTimeOffset=a.getUint32(p);p+=4}t.samples.push(u)}return t},"url ":function(e){return{version:e[0],flags:new Uint8Array(e.subarray(1,4))}},vmhd:function(e){var t=new DataView(e.buffer,e.byteOffset,e.byteLength);return{version:e[0],flags:new Uint8Array(e.subarray(1,4)),graphicsmode:t.getUint16(4),opcolor:new Uint16Array([t.getUint16(6),t.getUint16(8),t.getUint16(10)])}}};td=function(e){for(var t=0,a=[],n,r,s,o,l,d=new ArrayBuffer(e.length),p=new Uint8Array(d),u=0;u<e.length;++u){p[u]=e[u]}n=new DataView(d);while(t<e.byteLength){r=n.getUint32(t);s=sd(e.subarray(t+4,t+8));o=1<r?t+r:e.byteLength;l=(dd[s]||function(e){return{data:e}})(e.subarray(t+8,o));l.size=r;l.type=s;a.push(l);t=o}return a};ad=function(e,t){var a;t=t||0;a=Array(2*t+1).join(" ");return e.map(function(e){return a+e.type+"\n"+Object.keys(e).filter(function(e){return"type"!==e&&"boxes"!==e}).map(function(t){var n=a+"  "+t+": ",r=e[t];if(r instanceof Uint8Array||r instanceof Uint32Array){var i=Array.prototype.slice.call(new Uint8Array(r.buffer,r.byteOffset,r.byteLength)).map(function(e){return" "+("00"+e.toString(16)).slice(-2)}).join("").match(/.{1,24}/g);if(!i){return n+"<>"}if(1===i.length){return n+"<"+i.join("").slice(1)+">"}return n+"<\n"+i.map(function(e){return a+"  "+e}).join("\n")+"\n"+a+"  >"}return n+JSON.stringify(r,null,2).split("\n").map(function(e,t){if(0===t){return e}return a+"  "+e}).join("\n")}).join("\n")+(e.boxes?"\n"+ad(e.boxes,t+1):"")}).join("\n")};var pd={inspect:td,textify:ad,parseType:sd,findBox:od,parseTraf:dd.traf,parseTfdt:dd.tfdt,parseHdlr:dd.hdlr,parseTfhd:dd.tfhd,parseTrun:dd.trun,parseSidx:dd.sidx},ud=ed.toUnsigned,cd=ed.toHexString,md,gd,yd,hd,_d;md=function(e){var t=pd.findBox(e,["moov","trak"]);return t.reduce(function(e,t){var a,n,r,i,s;a=pd.findBox(t,["tkhd"])[0];if(!a){return null}n=a[0];r=0===n?12:20;i=ud(a[r]<<24|a[r+1]<<16|a[r+2]<<8|a[r+3]);s=pd.findBox(t,["mdia","mdhd"])[0];if(!s){return null}n=s[0];r=0===n?12:20;e[i]=ud(s[r]<<24|s[r+1]<<16|s[r+2]<<8|s[r+3]);return e},{})};gd=function(e,t){var a,n,r;a=pd.findBox(t,["moof","traf"]);n=[].concat.apply([],a.map(function(t){return pd.findBox(t,["tfhd"]).map(function(a){var n,r,i;n=ud(a[4]<<24|a[5]<<16|a[6]<<8|a[7]);r=e[n]||9e4;i=pd.findBox(t,["tfdt"]).map(function(e){var t,a;t=e[0];a=ud(e[4]<<24|e[5]<<16|e[6]<<8|e[7]);if(1===t){a*=Math.pow(2,32);a+=ud(e[8]<<24|e[9]<<16|e[10]<<8|e[11])}return a})[0];i=i||1/0;return i/r})}));r=Math.min.apply(null,n);return isFinite(r)?r:0};yd=function(e,t){var a=pd.findBox(t,["moof","traf"]),n=0,r=0,s;if(a&&a.length){for(var o=pd.parseTraf(a[0]),l=0;l<o.boxes.length;l++){if("tfhd"===o.boxes[l].type){s=o.boxes[l].trackId}else if("tfdt"===o.boxes[l].type){n=o.boxes[l].baseMediaDecodeTime}else if("trun"===o.boxes[l].type&&o.boxes[l].samples.length){r=o.boxes[l].samples[0].compositionTimeOffset||0}}}var d=e[s]||9e4;return(n+r)/d};hd=function(e){var t=pd.findBox(e,["moov","trak"]),a=[];t.forEach(function(e){var t=pd.findBox(e,["mdia","hdlr"]),n=pd.findBox(e,["tkhd"]);t.forEach(function(e,t){var r=pd.parseType(e.subarray(8,12)),i=n[t],s,o;if("vide"===r){s=new DataView(i.buffer,i.byteOffset,i.byteLength);s.getUint8(0);o=s.getUint32(20);a.push(o)}})});return a};_d=function(e){var t=pd.findBox(e,["moov","trak"]),a=[];t.forEach(function(e){var t={},n=pd.findBox(e,["tkhd"])[0],r;if(n){r=new DataView(n.buffer,n.byteOffset,n.byteLength);r.getUint8(0);t.id=r.getUint32(20)}var i=pd.findBox(e,["mdia","hdlr"])[0];if(i){var s=pd.parseType(i.subarray(8,12));if("vide"===s){t.type="video"}else if("soun"===s){t.type="audio"}else{t.type=s}}var o=pd.findBox(e,["mdia","minf","stbl","stsd"])[0];if(o){var l=o.subarray(8);t.codec=pd.parseType(l.subarray(4,8));var d=pd.findBox(l,[t.codec])[0],p,u;if(d){if(/^[a-z]vc[1-9]$/i.test(t.codec)){p=d.subarray(78);u=pd.parseType(p.subarray(4,8));if("avcC"===u&&11<p.length){t.codec+=".";t.codec+=cd(p[9]);t.codec+=cd(p[10]);t.codec+=cd(p[11])}else{t.codec="avc1.4d400d"}}else if(/^mp4[a,v]$/i.test(t.codec)){p=d.subarray(28);u=pd.parseType(p.subarray(4,8));if("esds"===u&&20<p.length&&0!==p[19]){t.codec+="."+cd(p[19]);t.codec+="."+cd(63&p[20]>>>2).replace(/^0/,"")}else{t.codec="mp4a.40.2"}}}}var c=pd.findBox(e,["mdia","mdhd"])[0];if(c&&n){20;t.timescale=ud(c[20]<<24|c[21]<<16|c[22]<<8|c[23])}a.push(t)});return a};var fd={findBox:pd.findBox,parseType:pd.parseType,timescale:md,startTime:gd,compositionStartTime:yd,videoTrackIds:hd,tracks:_d},Td=4,bd=function(e){var t=0,a={payloadType:-1,payloadSize:0},n=0,r=0;while(t<e.byteLength){if(e[t]===128){break}while(255===e[t]){n+=255;t++}n+=e[t++];while(255===e[t]){r+=255;t++}r+=e[t++];if(!a.payload&&n===Td){a.payloadType=n;a.payloadSize=r;a.payload=e.subarray(t,t+r);break}t+=r;n=0;r=0}return a},vd=function(e,t){var a=[],n,r,s,o;if(!(64&t[0])){return a}r=31&t[0];for(n=0;n<r;n++){s=3*n;o={type:3&t[s+2],pts:e};if(4&t[s+2]){o.ccData=t[s+3]<<8|t[s+4];a.push(o)}}return a},Sd=function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s},kd={parseSei:bd,parseUserData:function(e){if(181!==e.payload[0]){return null}if(49!=(e.payload[1]<<8|e.payload[2])){return null}if("GA94"!==String.fromCharCode(e.payload[3],e.payload[4],e.payload[5],e.payload[6])){return null}if(3!==e.payload[7]){return null}return e.payload.subarray(8,e.payload.length-1)},parseCaptionPackets:vd,discardEmulationPreventionBytes:Sd,USER_DATA_REGISTERED_ITU_T_T35:Td},Cd=function(){this.init=function(){var e={};this.on=function(t,a){if(!e[t]){e[t]=[]}e[t]=e[t].concat(a)};this.off=function(t,a){var n;if(!e[t]){return!1}n=e[t].indexOf(a);e[t]=e[t].slice();e[t].splice(n,1);return-1<n};this.trigger=function(t){var a,n,r,s;a=e[t];if(!a){return}if(2===arguments.length){r=a.length;for(n=0;n<r;++n){a[n].call(this,arguments[1])}}else{s=[];n=arguments.length;for(n=1;n<arguments.length;++n){s.push(arguments[n])}r=a.length;for(n=0;n<r;++n){a[n].apply(this,s)}}};this.dispose=function(){e={}}}};Cd.prototype.pipe=function(e){this.on("data",function(t){e.push(t)});this.on("done",function(t){e.flush(t)});this.on("partialdone",function(t){e.partialFlush(t)});this.on("endedtimeline",function(t){e.endTimeline(t)});this.on("reset",function(t){e.reset(t)});return e};Cd.prototype.push=function(e){this.trigger("data",e)};Cd.prototype.flush=function(e){this.trigger("done",e)};Cd.prototype.partialFlush=function(e){this.trigger("partialdone",e)};Cd.prototype.endTimeline=function(e){this.trigger("endedtimeline",e)};Cd.prototype.reset=function(e){this.trigger("reset",e)};var Ed=Cd,Id=function e(){e.prototype.init.call(this);this.captionPackets_=[];this.ccStreams_=[new Ad(0,0),new Ad(0,1),new Ad(1,0),new Ad(1,1)];this.reset();this.ccStreams_.forEach(function(e){e.on("data",this.trigger.bind(this,"data"));e.on("partialdone",this.trigger.bind(this,"partialdone"));e.on("done",this.trigger.bind(this,"done"))},this)};Id.prototype=new Ed;Id.prototype.push=function(e){var t,a,n;if("sei_rbsp"!==e.nalUnitType){return}t=kd.parseSei(e.escapedRBSP);if(t.payloadType!==kd.USER_DATA_REGISTERED_ITU_T_T35){return}a=kd.parseUserData(t);if(!a){return}if(e.dts<this.latestDts_){this.ignoreNextEqualDts_=!0;return}else if(e.dts===this.latestDts_&&this.ignoreNextEqualDts_){this.numSameDts_--;if(!this.numSameDts_){this.ignoreNextEqualDts_=!1}return}n=kd.parseCaptionPackets(e.pts,a);this.captionPackets_=this.captionPackets_.concat(n);if(this.latestDts_!==e.dts){this.numSameDts_=0}this.numSameDts_++;this.latestDts_=e.dts};Id.prototype.flushCCStreams=function(e){this.ccStreams_.forEach(function(t){return"flush"===e?t.flush():t.partialFlush()},this)};Id.prototype.flushStream=function(e){if(!this.captionPackets_.length){this.flushCCStreams(e);return}this.captionPackets_.forEach(function(e,t){e.presortIndex=t});this.captionPackets_.sort(function(e,t){if(e.pts===t.pts){return e.presortIndex-t.presortIndex}return e.pts-t.pts});this.captionPackets_.forEach(function(e){if(2>e.type){this.dispatchCea608Packet(e)}},this);this.captionPackets_.length=0;this.flushCCStreams(e)};Id.prototype.flush=function(){return this.flushStream("flush")};Id.prototype.partialFlush=function(){return this.flushStream("partialFlush")};Id.prototype.reset=function(){this.latestDts_=null;this.ignoreNextEqualDts_=!1;this.numSameDts_=0;this.activeCea608Channel_=[null,null];this.ccStreams_.forEach(function(e){e.reset()})};Id.prototype.dispatchCea608Packet=function(e){if(this.setsTextOrXDSActive(e)){this.activeCea608Channel_[e.type]=null}else if(this.setsChannel1Active(e)){this.activeCea608Channel_[e.type]=0}else if(this.setsChannel2Active(e)){this.activeCea608Channel_[e.type]=1}if(null===this.activeCea608Channel_[e.type]){return}this.ccStreams_[(e.type<<1)+this.activeCea608Channel_[e.type]].push(e)};Id.prototype.setsChannel1Active=function(e){return 4096==(30720&e.ccData)};Id.prototype.setsChannel2Active=function(e){return 6144==(30720&e.ccData)};Id.prototype.setsTextOrXDSActive=function(e){return 256==(28928&e.ccData)||4138==(30974&e.ccData)||6186==(30974&e.ccData)};var xd={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},Ld=function(e){if(null===e){return""}e=xd[e]||e;return String.fromCharCode(e)},Pd=14,Dd=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],wd=function(){var e=[],t=Pd+1;while(t--){e.push("")}return e},Ad=function a(e,t){a.prototype.init.call(this);this.field_=e||0;this.dataChannel_=t||0;this.name_="CC"+((this.field_<<1|this.dataChannel_)+1);this.setConstants();this.reset();this.push=function(e){var t,a,n,r,i;t=32639&e.ccData;if(t===this.lastControlCode_){this.lastControlCode_=null;return}if(4096==(61440&t)){this.lastControlCode_=t}else if(t!==this.PADDING_){this.lastControlCode_=null}n=t>>>8;r=255&t;if(t===this.PADDING_){}else if(t===this.RESUME_CAPTION_LOADING_){this.mode_="popOn"}else if(t===this.END_OF_CAPTION_){this.mode_="popOn";this.clearFormatting(e.pts);this.flushDisplayed(e.pts);a=this.displayed_;this.displayed_=this.nonDisplayed_;this.nonDisplayed_=a;this.startPts_=e.pts}else if(t===this.ROLL_UP_2_ROWS_){this.rollUpRows_=2;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_3_ROWS_){this.rollUpRows_=3;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_4_ROWS_){this.rollUpRows_=4;this.setRollUp(e.pts)}else if(t===this.CARRIAGE_RETURN_){this.clearFormatting(e.pts);this.flushDisplayed(e.pts);this.shiftRowsUp_();this.startPts_=e.pts}else if(t===this.BACKSPACE_){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}}else if(t===this.ERASE_DISPLAYED_MEMORY_){this.flushDisplayed(e.pts);this.displayed_=wd()}else if(t===this.ERASE_NON_DISPLAYED_MEMORY_){this.nonDisplayed_=wd()}else if(t===this.RESUME_DIRECT_CAPTIONING_){if("paintOn"!==this.mode_){this.flushDisplayed(e.pts);this.displayed_=wd()}this.mode_="paintOn";this.startPts_=e.pts}else if(this.isSpecialCharacter(n,r)){n=(3&n)<<8;i=Ld(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isExtCharacter(n,r)){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}n=(3&n)<<8;i=Ld(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isMidRowCode(n,r)){this.clearFormatting(e.pts);this[this.mode_](e.pts," ");this.column_++;if(14==(14&r)){this.addFormatting(e.pts,["i"])}if(1==(1&r)){this.addFormatting(e.pts,["u"])}}else if(this.isOffsetControlCode(n,r)){this.column_+=3&r}else if(this.isPAC(n,r)){var s=Dd.indexOf(7968&t);if("rollUp"===this.mode_){if(0>s-this.rollUpRows_+1){s=this.rollUpRows_-1}this.setRollUp(e.pts,s)}if(s!==this.row_){this.clearFormatting(e.pts);this.row_=s}if(1&r&&-1===this.formatting_.indexOf("u")){this.addFormatting(e.pts,["u"])}if(16==(16&t)){this.column_=4*((14&t)>>1)}if(this.isColorPAC(r)){if(14==(14&r)){this.addFormatting(e.pts,["i"])}}}else if(this.isNormalChar(n)){if(0===r){r=null}i=Ld(n);i+=Ld(r);this[this.mode_](e.pts,i);this.column_+=i.length}}};Ad.prototype=new Ed;Ad.prototype.flushDisplayed=function(e){var t=this.displayed_.map(function(e){try{return e.trim()}catch(t){console.error("Skipping malformed caption.");return""}}).join("\n").replace(/^\n+|\n+$/g,"");if(t.length){this.trigger("data",{startPts:this.startPts_,endPts:e,text:t,stream:this.name_})}};Ad.prototype.reset=function(){this.mode_="popOn";this.topRow_=0;this.startPts_=0;this.displayed_=wd();this.nonDisplayed_=wd();this.lastControlCode_=null;this.column_=0;this.row_=Pd;this.rollUpRows_=2;this.formatting_=[]};Ad.prototype.setConstants=function(){if(0===this.dataChannel_){this.BASE_=16;this.EXT_=17;this.CONTROL_=(20|this.field_)<<8;this.OFFSET_=23}else if(1===this.dataChannel_){this.BASE_=24;this.EXT_=25;this.CONTROL_=(28|this.field_)<<8;this.OFFSET_=31}this.PADDING_=0;this.RESUME_CAPTION_LOADING_=32|this.CONTROL_;this.END_OF_CAPTION_=47|this.CONTROL_;this.ROLL_UP_2_ROWS_=37|this.CONTROL_;this.ROLL_UP_3_ROWS_=38|this.CONTROL_;this.ROLL_UP_4_ROWS_=39|this.CONTROL_;this.CARRIAGE_RETURN_=45|this.CONTROL_;this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_;this.BACKSPACE_=33|this.CONTROL_;this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_;this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_};Ad.prototype.isSpecialCharacter=function(e,t){return e===this.EXT_&&48<=t&&63>=t};Ad.prototype.isExtCharacter=function(e,t){return(e===this.EXT_+1||e===this.EXT_+2)&&32<=t&&63>=t};Ad.prototype.isMidRowCode=function(e,t){return e===this.EXT_&&32<=t&&47>=t};Ad.prototype.isOffsetControlCode=function(e,t){return e===this.OFFSET_&&33<=t&&35>=t};Ad.prototype.isPAC=function(e,t){return e>=this.BASE_&&e<this.BASE_+8&&64<=t&&127>=t};Ad.prototype.isColorPAC=function(e){return 64<=e&&79>=e||96<=e&&127>=e};Ad.prototype.isNormalChar=function(e){return 32<=e&&127>=e};Ad.prototype.setRollUp=function(e,t){if("rollUp"!==this.mode_){this.row_=Pd;this.mode_="rollUp";this.flushDisplayed(e);this.nonDisplayed_=wd();this.displayed_=wd()}if(t!==void 0&&t!==this.row_){for(var a=0;a<this.rollUpRows_;a++){this.displayed_[t-a]=this.displayed_[this.row_-a];this.displayed_[this.row_-a]=""}}if(t===void 0){t=this.row_}this.topRow_=t-this.rollUpRows_+1};Ad.prototype.addFormatting=function(e,t){this.formatting_=this.formatting_.concat(t);var a=t.reduce(function(e,t){return e+"<"+t+">"},"");this[this.mode_](e,a)};Ad.prototype.clearFormatting=function(e){if(!this.formatting_.length){return}var t=this.formatting_.reverse().reduce(function(e,t){return e+"</"+t+">"},"");this.formatting_=[];this[this.mode_](e,t)};Ad.prototype.popOn=function(e,t){var a=this.nonDisplayed_[this.row_];a+=t;this.nonDisplayed_[this.row_]=a};Ad.prototype.rollUp=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};Ad.prototype.shiftRowsUp_=function(){var e;for(e=0;e<this.topRow_;e++){this.displayed_[e]=""}for(e=this.row_+1;e<Pd+1;e++){this.displayed_[e]=""}for(e=this.topRow_;e<this.row_;e++){this.displayed_[e]=this.displayed_[e+1]}this.displayed_[this.row_]=""};Ad.prototype.paintOn=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};var Od=kd.discardEmulationPreventionBytes,Rd={CaptionStream:Id,Cea608Stream:Ad}.CaptionStream,Nd=function(e,t){for(var a=e,n=0,r;n<t.length;n++){r=t[n];if(a<r.size){return r}a-=r.size}return null},Ud=function(e,t,a){var n=new DataView(e.buffer,e.byteOffset,e.byteLength),r=[],s,o,l,d;for(o=0;o+4<e.length;o+=l){l=n.getUint32(o);o+=4;if(0>=l){continue}switch(31&e[o]){case 6:var p=e.subarray(o+1,o+1+l),u=Nd(o,t);s={nalUnitType:"sei_rbsp",size:l,data:p,escapedRBSP:Od(p),trackId:a};if(u){s.pts=u.pts;s.dts=u.dts;d=u}else{s.pts=d.pts;s.dts=d.dts}r.push(s);break;default:break;}}return r},Md=function(e,t,a){var n=t,r=a.defaultSampleDuration||0,i=a.defaultSampleSize||0,s=a.trackId,o=[];e.forEach(function(e){var t=pd.parseTrun(e),a=t.samples;a.forEach(function(e){if(e.duration===void 0){e.duration=r}if(e.size===void 0){e.size=i}e.trackId=s;e.dts=n;if(e.compositionTimeOffset===void 0){e.compositionTimeOffset=0}e.pts=n+e.compositionTimeOffset;n+=e.duration});o=o.concat(a)});return o},Bd=function(e,t){var a=fd.findBox(e,["moof","traf"]),n=fd.findBox(e,["mdat"]),r={},i=[];n.forEach(function(e,t){var n=a[t];i.push({mdat:e,traf:n})});i.forEach(function(e){var a=e.mdat,n=e.traf,i=fd.findBox(n,["tfhd"]),s=pd.parseTfhd(i[0]),o=s.trackId,l=fd.findBox(n,["tfdt"]),d=0<l.length?pd.parseTfdt(l[0]).baseMediaDecodeTime:0,p=fd.findBox(n,["trun"]),u,c;if(t===o&&0<p.length){u=Md(p,d,s);c=Ud(a,u,o);if(!r[o]){r[o]=[]}r[o]=r[o].concat(c)}});return r},jd=function(e,t,a){var n;if(null===t){return null}n=Bd(e,t);return{seiNals:n[t],timescale:a}},Fd=function(){var e=!1,t,a,n,r,i,s;this.isInitialized=function(){return e};this.init=function(a){t=new Rd;e=!0;s=a?a.isPartial:!1;t.on("data",function(e){e.startTime=e.startPts/r;e.endTime=e.endPts/r;i.captions.push(e);i.captionStreams[e.stream]=!0})};this.isNewInit=function(e,t){if(e&&0===e.length||t&&"object"===_typeof2(t)&&0===Object.keys(t).length){return!1}return n!==e[0]||r!==t[n]};this.parse=function(e,t,s){var o;if(!this.isInitialized()){return null}else if(!t||!s){return null}else if(this.isNewInit(t,s)){n=t[0];r=s[n]}else if(null===n||!r){a.push(e);return null}while(0<a.length){var l=a.shift();this.parse(l,t,s)}o=jd(e,n,r);if(null===o||!o.seiNals){return null}this.pushNals(o.seiNals);this.flushStream();return i};this.pushNals=function(e){if(!this.isInitialized()||!e||0===e.length){return null}e.forEach(function(e){t.push(e)})};this.flushStream=function(){if(!this.isInitialized()){return null}if(!s){t.flush()}else{t.partialFlush()}};this.clearParsedCaptions=function(){i.captions=[];i.captionStreams={}};this.resetCaptionStream=function(){if(!this.isInitialized()){return null}t.reset()};this.clearAllCaptions=function(){this.clearParsedCaptions();this.resetCaptionStream()};this.reset=function(){a=[];n=null;r=null;if(!i){i={captions:[],captionStreams:{}}}else{this.clearParsedCaptions()}this.resetCaptionStream()};this.reset()},Hd={H264_STREAM_TYPE:27,ADTS_STREAM_TYPE:15,METADATA_STREAM_TYPE:21},qd="shared",Vd=function(e,t){var a=1;if(e>t){a=-1}while(Math.abs(t-e)>4294967296){e+=a*8589934592}return e},Wd=function t(e){var a,n;t.prototype.init.call(this);this.type_=e||qd;this.push=function(e){if(this.type_!==qd&&e.type!==this.type_){return}if(n===void 0){n=e.dts}e.dts=Vd(e.dts,n);e.pts=Vd(e.pts,n);a=e.dts;this.trigger("data",e)};this.flush=function(){n=a;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.discontinuity=function(){n=void 0;a=void 0};this.reset=function(){this.discontinuity();this.trigger("reset")}};Wd.prototype=new Ed;var zd=function(e){var t=31&e[1];t<<=8;t|=e[2];return t},Gd=function(e){return!!(64&e[1])},Kd=function(e){var t=0;if(1<(48&e[3])>>>4){t+=e[4]+1}return t},Yd=function(e){var t={},a=Gd(e),n=4+Kd(e);if(a){n+=e[n]+1}if(!(1&e[n+5])){return}var r,s,o;r=(15&e[n+1])<<8|e[n+2];s=3+r-4;o=(15&e[n+10])<<8|e[n+11];var l=12+o;while(l<s){var d=n+l;t[(31&e[d+1])<<8|e[d+2]]=e[d];l+=((15&e[d+3])<<8|e[d+4])+5}return t},Xd=function(e){switch(e){case 5:return"slice_layer_without_partitioning_rbsp_idr";case 6:return"sei_rbsp";case 7:return"seq_parameter_set_rbsp";case 8:return"pic_parameter_set_rbsp";case 9:return"access_unit_delimiter_rbsp";default:return null;}},$d=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],Qd=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},Jd=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},Zd=function(e,t,a){return unescape(Jd(e,t,a))},ep=function(e){var t=0;while(t+5<e.length){if(255!==e[t]||240!=(246&e[t+1])){t++;continue}return $d[(60&e[t+2])>>>2]}return null},tp=function(e){var t,a,n,r;t=10;if(64&e[5]){t+=4;t+=Qd(e.subarray(10,14))}do{a=Qd(e.subarray(t+4,t+8));if(1>a){return null}r=String.fromCharCode(e[t],e[t+1],e[t+2],e[t+3]);if("PRIV"===r){n=e.subarray(t+10,t+a+10);for(var s=0;s<n.byteLength;s++){if(0===n[s]){var o=Zd(n,0,s);if("com.apple.streaming.transportStreamTimestamp"===o){var l=n.subarray(s+1),d=(1&l[3])<<30|l[4]<<22|l[5]<<14|l[6]<<6|l[7]>>>2;d*=4;d+=3&l[7];return d}break}}}t+=10;t+=a}while(t<e.byteLength);return null},ap=9e4,np,rp,ip,sp,op,lp,dp;np=function(e){return e*ap};rp=function(e,t){return e*t};ip=function(e){return e/ap};sp=function(e,t){return e/t};op=function(e,t){return np(sp(e,t))};lp=function(e,t){return rp(ip(e),t)};dp=function(e,t,a){return ip(a?e:e-t)};var pp={ONE_SECOND_IN_TS:ap,secondsToVideoTs:np,secondsToAudioTs:rp,videoTsToSeconds:ip,audioTsToSeconds:sp,audioTsToVideoTs:op,videoTsToAudioTs:lp,metadataTsToSeconds:dp},up={TimestampRolloverStream:Wd,handleRollover:Vd}.handleRollover,cp={};cp.ts={parseType:function(e,t){var a=zd(e);if(0===a){return"pat"}else if(a===t){return"pmt"}else if(t){return"pes"}return null},parsePat:function(e){var t=Gd(e),a=4+Kd(e);if(t){a+=e[a]+1}return(31&e[a+10])<<8|e[a+11]},parsePmt:Yd,parsePayloadUnitStartIndicator:Gd,parsePesType:function(e,t){var a=zd(e),n=t[a];switch(n){case Hd.H264_STREAM_TYPE:return"video";case Hd.ADTS_STREAM_TYPE:return"audio";case Hd.METADATA_STREAM_TYPE:return"timed-metadata";default:return null;}},parsePesTime:function(e){var t=Gd(e);if(!t){return null}var a=4+Kd(e);if(a>=e.byteLength){return null}var n=null,r;r=e[a+7];if(192&r){n={};n.pts=(14&e[a+9])<<27|(255&e[a+10])<<20|(254&e[a+11])<<12|(255&e[a+12])<<5|(254&e[a+13])>>>3;n.pts*=4;n.pts+=(6&e[a+13])>>>1;n.dts=n.pts;if(64&r){n.dts=(14&e[a+14])<<27|(255&e[a+15])<<20|(254&e[a+16])<<12|(255&e[a+17])<<5|(254&e[a+18])>>>3;n.dts*=4;n.dts+=(6&e[a+18])>>>1}}return n},videoPacketContainsKeyFrame:function(e){var t=4+Kd(e),a=e.subarray(t),n=0,r=0,i=!1,s;for(;r<a.byteLength-3;r++){if(1===a[r+2]){n=r+5;break}}while(n<a.byteLength){switch(a[n]){case 0:if(0!==a[n-1]){n+=2;break}else if(0!==a[n-2]){n++;break}if(r+3!==n-2){s=Xd(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}}do{n++}while(1!==a[n]&&n<a.length);r=n-2;n+=3;break;case 1:if(0!==a[n-1]||0!==a[n-2]){n+=3;break}s=Xd(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}r=n-2;n+=3;break;default:n+=3;break;}}a=a.subarray(r);n-=r;r=0;if(a&&3<a.byteLength){s=Xd(31&a[r+3]);if("slice_layer_without_partitioning_rbsp_idr"===s){i=!0}}return i}};cp.aac={isLikelyAacData:function(e){if(e[0]===73&&e[1]===68&&e[2]===51){return!0}return!1},parseId3TagSize:function(e,t){var a=e[t+6]<<21|e[t+7]<<14|e[t+8]<<7|e[t+9],n=e[t+5];if((16&n)>>4){return a+20}return a+10},parseAdtsSize:function(e,t){var a=(224&e[t+5])>>5,n=e[t+4]<<3,r=e[t+3]&6144;return r|n|a},parseType:function(e,t){if(e[t]===73&&e[t+1]===68&&e[t+2]===51){return"timed-metadata"}else if(e[t]&!0&&240==(240&e[t+1])){return"audio"}return null},parseSampleRate:ep,parseAacTimestamp:tp};var mp=pp.ONE_SECOND_IN_TS,gp=188,yp=71,hp=function(e,t){var a=0,n=gp,r,i;while(n<e.byteLength){if(e[a]===yp&&e[n]===yp){r=e.subarray(a,n);i=cp.ts.parseType(r,t.pid);switch(i){case"pat":if(!t.pid){t.pid=cp.ts.parsePat(r)}break;case"pmt":if(!t.table){t.table=cp.ts.parsePmt(r)}break;default:break;}if(t.pid&&t.table){return}a+=gp;n+=gp;continue}a++;n++}},_p=function(e,t,a){var n=0,r=gp,i,s,o,l,d,p=!1;while(r<=e.byteLength){if(e[n]===yp&&(e[r]===yp||r===e.byteLength)){i=e.subarray(n,r);s=cp.ts.parseType(i,t.pid);switch(s){case"pes":o=cp.ts.parsePesType(i,t.table);l=cp.ts.parsePayloadUnitStartIndicator(i);if("audio"===o&&l){d=cp.ts.parsePesTime(i);if(d){d.type="audio";a.audio.push(d);p=!0}}break;default:break;}if(p){break}n+=gp;r+=gp;continue}n++;r++}r=e.byteLength;n=r-gp;p=!1;while(0<=n){if(e[n]===yp&&(e[r]===yp||r===e.byteLength)){i=e.subarray(n,r);s=cp.ts.parseType(i,t.pid);switch(s){case"pes":o=cp.ts.parsePesType(i,t.table);l=cp.ts.parsePayloadUnitStartIndicator(i);if("audio"===o&&l){d=cp.ts.parsePesTime(i);if(d){d.type="audio";a.audio.push(d);p=!0}}break;default:break;}if(p){break}n-=gp;r-=gp;continue}n--;r--}},fp=function(e,t,a){var n=0,r=gp,s,o,l,d,p,u,c,m,g=!1,y={data:[],size:0};while(r<e.byteLength){if(e[n]===yp&&e[r]===yp){s=e.subarray(n,r);o=cp.ts.parseType(s,t.pid);switch(o){case"pes":l=cp.ts.parsePesType(s,t.table);d=cp.ts.parsePayloadUnitStartIndicator(s);if("video"===l){if(d&&!g){p=cp.ts.parsePesTime(s);if(p){p.type="video";a.video.push(p);g=!0}}if(!a.firstKeyFrame){if(d){if(0!==y.size){u=new Uint8Array(y.size);c=0;while(y.data.length){m=y.data.shift();u.set(m,c);c+=m.byteLength}if(cp.ts.videoPacketContainsKeyFrame(u)){var h=cp.ts.parsePesTime(u);if(h){a.firstKeyFrame=h;a.firstKeyFrame.type="video"}else{console.warn("Failed to extract PTS/DTS from PES at first keyframe. This could be an unusual TS segment, or else mux.js did not parse your TS segment correctly. If you know your TS segments do contain PTS/DTS on keyframes please file a bug report! You can try ffprobe to double check for yourself.")}}y.size=0}}y.data.push(s);y.size+=s.byteLength}}break;default:break;}if(g&&a.firstKeyFrame){break}n+=gp;r+=gp;continue}n++;r++}r=e.byteLength;n=r-gp;g=!1;while(0<=n){if(e[n]===yp&&e[r]===yp){s=e.subarray(n,r);o=cp.ts.parseType(s,t.pid);switch(o){case"pes":l=cp.ts.parsePesType(s,t.table);d=cp.ts.parsePayloadUnitStartIndicator(s);if("video"===l&&d){p=cp.ts.parsePesTime(s);if(p){p.type="video";a.video.push(p);g=!0}}break;default:break;}if(g){break}n-=gp;r-=gp;continue}n--;r--}},Tp=function(e,t){if(e.audio&&e.audio.length){var a=t;if("undefined"==typeof a){a=e.audio[0].dts}e.audio.forEach(function(e){e.dts=up(e.dts,a);e.pts=up(e.pts,a);e.dtsTime=e.dts/mp;e.ptsTime=e.pts/mp})}if(e.video&&e.video.length){var n=t;if("undefined"==typeof n){n=e.video[0].dts}e.video.forEach(function(e){e.dts=up(e.dts,n);e.pts=up(e.pts,n);e.dtsTime=e.dts/mp;e.ptsTime=e.pts/mp});if(e.firstKeyFrame){var r=e.firstKeyFrame;r.dts=up(r.dts,n);r.pts=up(r.pts,n);r.dtsTime=r.dts/mp;r.ptsTime=r.dts/mp}}},bp=function(e){var t=!1,a=0,n=null,r=null,i=0,s=0,o;while(3<=e.length-s){var l=cp.aac.parseType(e,s);switch(l){case"timed-metadata":if(10>e.length-s){t=!0;break}i=cp.aac.parseId3TagSize(e,s);if(i>e.length){t=!0;break}if(null===r){o=e.subarray(s,s+i);r=cp.aac.parseAacTimestamp(o)}s+=i;break;case"audio":if(7>e.length-s){t=!0;break}i=cp.aac.parseAdtsSize(e,s);if(i>e.length){t=!0;break}if(null===n){o=e.subarray(s,s+i);n=cp.aac.parseSampleRate(o)}a++;s+=i;break;default:s++;break;}if(t){return null}}if(null===n||null===r){return null}var d=mp/n,p={audio:[{type:"audio",dts:r,pts:r},{type:"audio",dts:r+1024*a*d,pts:r+1024*a*d}]};return p},vp=function(e){var t={pid:null,table:null},a={};hp(e,t);for(var n in t.table){if(t.table.hasOwnProperty(n)){var r=t.table[n];switch(r){case Hd.H264_STREAM_TYPE:a.video=[];fp(e,t,a);if(0===a.video.length){delete a.video}break;case 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t&&("object"===_typeof2(t)||"function"==typeof t)?t:e},xp=function(){var e=[[[],[],[],[],[]],[[],[],[],[],[]]],t=e[0],a=e[1],n=t[4],r=a[4],o=void 0,l=void 0,p=void 0,u=[],d=[],c=void 0,m=void 0,g=void 0,y=void 0,h=void 0,_=void 0;for(o=0;256>o;o++){d[(u[o]=o<<1^283*(o>>7))^o]=o}for(l=p=0;!n[l];l^=c||1,p=d[p]||1){y=p^p<<1^p<<2^p<<3^p<<4;y=99^(y>>8^255&y);n[l]=y;r[y]=l;g=u[m=u[c=u[l]]];_=16843009*g^65537*m^257*c^16843008*l;h=257*u[y]^16843008*y;for(o=0;4>o;o++){t[o][l]=h=h<<24^h>>>8;a[o][y]=_=_<<24^_>>>8}}for(o=0;5>o;o++){t[o]=t[o].slice(0);a[o]=a[o].slice(0)}return e},Lp=null,Pp=function(){function e(t){kp(this,e);if(!Lp){Lp=xp()}this._tables=[[Lp[0][0].slice(),Lp[0][1].slice(),Lp[0][2].slice(),Lp[0][3].slice(),Lp[0][4].slice()],[Lp[1][0].slice(),Lp[1][1].slice(),Lp[1][2].slice(),Lp[1][3].slice(),Lp[1][4].slice()]];var a=void 0,n=void 0,r=void 0,s=void 0,o=void 0,l=this._tables[0][4],d=this._tables[1],p=t.length,u=1;if(4!==p&&6!==p&&8!==p){throw new Error("Invalid aes key 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e(){kp(this,e);this.listeners={}}e.prototype.on=function(e,t){if(!this.listeners[e]){this.listeners[e]=[]}this.listeners[e].push(t)};e.prototype.off=function(e,t){if(!this.listeners[e]){return!1}var a=this.listeners[e].indexOf(t);this.listeners[e].splice(a,1);return-1<a};e.prototype.trigger=function(e){var t=this.listeners[e];if(!t){return}if(2===arguments.length){for(var a=t.length,n=0;n<a;++n){t[n].call(this,arguments[1])}}else{for(var r=Array.prototype.slice.call(arguments,1),s=t.length,o=0;o<s;++o){t[o].apply(this,r)}}};e.prototype.dispose=function(){this.listeners={}};e.prototype.pipe=function(e){this.on("data",function(t){e.push(t)})};return e}(),wp=function(e){Ep(t,e);function t(){kp(this,t);var a=Ip(this,e.call(this,Dp));a.jobs=[];a.delay=1;a.timeout_=null;return 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e.filter(function(e){if(e.dts>=a){t.minSegmentDts=Math.min(t.minSegmentDts,e.dts);t.minSegmentPts=t.minSegmentDts;return!0}return!1})},generateSampleTable:function(e){var t,a,n=[];for(t=0;t<e.length;t++){a=e[t];n.push({size:a.data.byteLength,duration:1024})}return n},concatenateFrameData:function(e){var t,a,n=0,r=new Uint8Array(re(e));for(t=0;t<e.length;t++){a=e[t];r.set(a.data,n);n+=a.data.byteLength}return r}},se=ne.ONE_SECOND_IN_TS,oe={clearDtsInfo:function(e){delete e.minSegmentDts;delete e.maxSegmentDts;delete e.minSegmentPts;delete e.maxSegmentPts},calculateTrackBaseMediaDecodeTime:function(e,t){var a,n,r=e.minSegmentDts;if(!t){r-=e.timelineStartInfo.dts}a=e.timelineStartInfo.baseMediaDecodeTime;a+=r;a=Math.max(0,a);if("audio"===e.type){n=e.samplerate/se;a*=n;a=Math.floor(a)}return a},collectDtsInfo:function(e,t){if("number"==typeof t.pts){if(e.timelineStartInfo.pts===void 0){e.timelineStartInfo.pts=t.pts}if(e.minSegmentPts===void 0){e.minSegmentPts=t.pts}else{e.minSegmentPts=Math.min(e.minSegmentPts,t.pts)}if(e.maxSegmentPts===void 0){e.maxSegmentPts=t.pts}else{e.maxSegmentPts=Math.max(e.maxSegmentPts,t.pts)}}if("number"==typeof t.dts){if(e.timelineStartInfo.dts===void 0){e.timelineStartInfo.dts=t.dts}if(e.minSegmentDts===void 0){e.minSegmentDts=t.dts}else{e.minSegmentDts=Math.min(e.minSegmentDts,t.dts)}if(e.maxSegmentDts===void 0){e.maxSegmentDts=t.dts}else{e.maxSegmentDts=Math.max(e.maxSegmentDts,t.dts)}}}},le=4,de={parseSei:function(e){var t=0,a={payloadType:-1,payloadSize:0},n=0,r=0;while(t<e.byteLength){if(e[t]===128){break}while(255===e[t]){n+=255;t++}n+=e[t++];while(255===e[t]){r+=255;t++}r+=e[t++];if(!a.payload&&n===le){a.payloadType=n;a.payloadSize=r;a.payload=e.subarray(t,t+r);break}t+=r;n=0;r=0}return a},parseUserData:function(e){if(181!==e.payload[0]){return null}if(49!=(e.payload[1]<<8|e.payload[2])){return null}if("GA94"!==String.fromCharCode(e.payload[3],e.payload[4],e.payload[5],e.payload[6])){return null}if(3!==e.payload[7]){return null}return e.payload.subarray(8,e.payload.length-1)},parseCaptionPackets:function(e,t){var a=[],n,r,s,o;if(!(64&t[0])){return a}r=31&t[0];for(n=0;n<r;n++){s=3*n;o={type:3&t[s+2],pts:e};if(4&t[s+2]){o.ccData=t[s+3]<<8|t[s+4];a.push(o)}}return a},discardEmulationPreventionBytes:function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s},USER_DATA_REGISTERED_ITU_T_T35:le},pe=function e(){e.prototype.init.call(this);this.captionPackets_=[];this.ccStreams_=[new he(0,0),new he(0,1),new he(1,0),new he(1,1)];this.reset();this.ccStreams_.forEach(function(e){e.on("data",this.trigger.bind(this,"data"));e.on("partialdone",this.trigger.bind(this,"partialdone"));e.on("done",this.trigger.bind(this,"done"))},this)};pe.prototype=new a;pe.prototype.push=function(e){var t,a,n;if("sei_rbsp"!==e.nalUnitType){return}t=de.parseSei(e.escapedRBSP);if(t.payloadType!==de.USER_DATA_REGISTERED_ITU_T_T35){return}a=de.parseUserData(t);if(!a){return}if(e.dts<this.latestDts_){this.ignoreNextEqualDts_=!0;return}else if(e.dts===this.latestDts_&&this.ignoreNextEqualDts_){this.numSameDts_--;if(!this.numSameDts_){this.ignoreNextEqualDts_=!1}return}n=de.parseCaptionPackets(e.pts,a);this.captionPackets_=this.captionPackets_.concat(n);if(this.latestDts_!==e.dts){this.numSameDts_=0}this.numSameDts_++;this.latestDts_=e.dts};pe.prototype.flushCCStreams=function(e){this.ccStreams_.forEach(function(t){return"flush"===e?t.flush():t.partialFlush()},this)};pe.prototype.flushStream=function(e){if(!this.captionPackets_.length){this.flushCCStreams(e);return}this.captionPackets_.forEach(function(e,t){e.presortIndex=t});this.captionPackets_.sort(function(e,t){if(e.pts===t.pts){return e.presortIndex-t.presortIndex}return e.pts-t.pts});this.captionPackets_.forEach(function(e){if(2>e.type){this.dispatchCea608Packet(e)}},this);this.captionPackets_.length=0;this.flushCCStreams(e)};pe.prototype.flush=function(){return this.flushStream("flush")};pe.prototype.partialFlush=function(){return this.flushStream("partialFlush")};pe.prototype.reset=function(){this.latestDts_=null;this.ignoreNextEqualDts_=!1;this.numSameDts_=0;this.activeCea608Channel_=[null,null];this.ccStreams_.forEach(function(e){e.reset()})};pe.prototype.dispatchCea608Packet=function(e){if(this.setsTextOrXDSActive(e)){this.activeCea608Channel_[e.type]=null}else if(this.setsChannel1Active(e)){this.activeCea608Channel_[e.type]=0}else if(this.setsChannel2Active(e)){this.activeCea608Channel_[e.type]=1}if(null===this.activeCea608Channel_[e.type]){return}this.ccStreams_[(e.type<<1)+this.activeCea608Channel_[e.type]].push(e)};pe.prototype.setsChannel1Active=function(e){return 4096==(30720&e.ccData)};pe.prototype.setsChannel2Active=function(e){return 6144==(30720&e.ccData)};pe.prototype.setsTextOrXDSActive=function(e){return 256==(28928&e.ccData)||4138==(30974&e.ccData)||6186==(30974&e.ccData)};var ue={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},ce=function(e){if(null===e){return""}e=ue[e]||e;return String.fromCharCode(e)},me=14,ge=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],ye=function(){var e=[],t=me+1;while(t--){e.push("")}return e},he=function a(e,t){a.prototype.init.call(this);this.field_=e||0;this.dataChannel_=t||0;this.name_="CC"+((this.field_<<1|this.dataChannel_)+1);this.setConstants();this.reset();this.push=function(e){var t,a,n,r,i;t=32639&e.ccData;if(t===this.lastControlCode_){this.lastControlCode_=null;return}if(4096==(61440&t)){this.lastControlCode_=t}else if(t!==this.PADDING_){this.lastControlCode_=null}n=t>>>8;r=255&t;if(t===this.PADDING_){}else if(t===this.RESUME_CAPTION_LOADING_){this.mode_="popOn"}else if(t===this.END_OF_CAPTION_){this.mode_="popOn";this.clearFormatting(e.pts);this.flushDisplayed(e.pts);a=this.displayed_;this.displayed_=this.nonDisplayed_;this.nonDisplayed_=a;this.startPts_=e.pts}else if(t===this.ROLL_UP_2_ROWS_){this.rollUpRows_=2;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_3_ROWS_){this.rollUpRows_=3;this.setRollUp(e.pts)}else if(t===this.ROLL_UP_4_ROWS_){this.rollUpRows_=4;this.setRollUp(e.pts)}else if(t===this.CARRIAGE_RETURN_){this.clearFormatting(e.pts);this.flushDisplayed(e.pts);this.shiftRowsUp_();this.startPts_=e.pts}else if(t===this.BACKSPACE_){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}}else if(t===this.ERASE_DISPLAYED_MEMORY_){this.flushDisplayed(e.pts);this.displayed_=ye()}else if(t===this.ERASE_NON_DISPLAYED_MEMORY_){this.nonDisplayed_=ye()}else if(t===this.RESUME_DIRECT_CAPTIONING_){if("paintOn"!==this.mode_){this.flushDisplayed(e.pts);this.displayed_=ye()}this.mode_="paintOn";this.startPts_=e.pts}else if(this.isSpecialCharacter(n,r)){n=(3&n)<<8;i=ce(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isExtCharacter(n,r)){if("popOn"===this.mode_){this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1)}else{this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1)}n=(3&n)<<8;i=ce(n|r);this[this.mode_](e.pts,i);this.column_++}else if(this.isMidRowCode(n,r)){this.clearFormatting(e.pts);this[this.mode_](e.pts," ");this.column_++;if(14==(14&r)){this.addFormatting(e.pts,["i"])}if(1==(1&r)){this.addFormatting(e.pts,["u"])}}else if(this.isOffsetControlCode(n,r)){this.column_+=3&r}else if(this.isPAC(n,r)){var s=ge.indexOf(7968&t);if("rollUp"===this.mode_){if(0>s-this.rollUpRows_+1){s=this.rollUpRows_-1}this.setRollUp(e.pts,s)}if(s!==this.row_){this.clearFormatting(e.pts);this.row_=s}if(1&r&&-1===this.formatting_.indexOf("u")){this.addFormatting(e.pts,["u"])}if(16==(16&t)){this.column_=4*((14&t)>>1)}if(this.isColorPAC(r)){if(14==(14&r)){this.addFormatting(e.pts,["i"])}}}else if(this.isNormalChar(n)){if(0===r){r=null}i=ce(n);i+=ce(r);this[this.mode_](e.pts,i);this.column_+=i.length}}};he.prototype=new a;he.prototype.flushDisplayed=function(e){var t=this.displayed_.map(function(e){try{return e.trim()}catch(t){console.error("Skipping malformed caption.");return""}}).join("\n").replace(/^\n+|\n+$/g,"");if(t.length){this.trigger("data",{startPts:this.startPts_,endPts:e,text:t,stream:this.name_})}};he.prototype.reset=function(){this.mode_="popOn";this.topRow_=0;this.startPts_=0;this.displayed_=ye();this.nonDisplayed_=ye();this.lastControlCode_=null;this.column_=0;this.row_=me;this.rollUpRows_=2;this.formatting_=[]};he.prototype.setConstants=function(){if(0===this.dataChannel_){this.BASE_=16;this.EXT_=17;this.CONTROL_=(20|this.field_)<<8;this.OFFSET_=23}else if(1===this.dataChannel_){this.BASE_=24;this.EXT_=25;this.CONTROL_=(28|this.field_)<<8;this.OFFSET_=31}this.PADDING_=0;this.RESUME_CAPTION_LOADING_=32|this.CONTROL_;this.END_OF_CAPTION_=47|this.CONTROL_;this.ROLL_UP_2_ROWS_=37|this.CONTROL_;this.ROLL_UP_3_ROWS_=38|this.CONTROL_;this.ROLL_UP_4_ROWS_=39|this.CONTROL_;this.CARRIAGE_RETURN_=45|this.CONTROL_;this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_;this.BACKSPACE_=33|this.CONTROL_;this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_;this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_};he.prototype.isSpecialCharacter=function(e,t){return e===this.EXT_&&48<=t&&63>=t};he.prototype.isExtCharacter=function(e,t){return(e===this.EXT_+1||e===this.EXT_+2)&&32<=t&&63>=t};he.prototype.isMidRowCode=function(e,t){return e===this.EXT_&&32<=t&&47>=t};he.prototype.isOffsetControlCode=function(e,t){return e===this.OFFSET_&&33<=t&&35>=t};he.prototype.isPAC=function(e,t){return e>=this.BASE_&&e<this.BASE_+8&&64<=t&&127>=t};he.prototype.isColorPAC=function(e){return 64<=e&&79>=e||96<=e&&127>=e};he.prototype.isNormalChar=function(e){return 32<=e&&127>=e};he.prototype.setRollUp=function(e,t){if("rollUp"!==this.mode_){this.row_=me;this.mode_="rollUp";this.flushDisplayed(e);this.nonDisplayed_=ye();this.displayed_=ye()}if(t!==void 0&&t!==this.row_){for(var a=0;a<this.rollUpRows_;a++){this.displayed_[t-a]=this.displayed_[this.row_-a];this.displayed_[this.row_-a]=""}}if(t===void 0){t=this.row_}this.topRow_=t-this.rollUpRows_+1};he.prototype.addFormatting=function(e,t){this.formatting_=this.formatting_.concat(t);var a=t.reduce(function(e,t){return e+"<"+t+">"},"");this[this.mode_](e,a)};he.prototype.clearFormatting=function(e){if(!this.formatting_.length){return}var t=this.formatting_.reverse().reduce(function(e,t){return e+"</"+t+">"},"");this.formatting_=[];this[this.mode_](e,t)};he.prototype.popOn=function(e,t){var a=this.nonDisplayed_[this.row_];a+=t;this.nonDisplayed_[this.row_]=a};he.prototype.rollUp=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};he.prototype.shiftRowsUp_=function(){var e;for(e=0;e<this.topRow_;e++){this.displayed_[e]=""}for(e=this.row_+1;e<me+1;e++){this.displayed_[e]=""}for(e=this.topRow_;e<this.row_;e++){this.displayed_[e]=this.displayed_[e+1]}this.displayed_[this.row_]=""};he.prototype.paintOn=function(e,t){var a=this.displayed_[this.row_];a+=t;this.displayed_[this.row_]=a};var _e={CaptionStream:pe,Cea608Stream:he},fe={H264_STREAM_TYPE:27,ADTS_STREAM_TYPE:15,METADATA_STREAM_TYPE:21},Te="shared",be=function(e,t){var a=1;if(e>t){a=-1}while(Math.abs(t-e)>4294967296){e+=a*8589934592}return e},ve=function t(e){var a,n;t.prototype.init.call(this);this.type_=e||Te;this.push=function(e){if(this.type_!==Te&&e.type!==this.type_){return}if(n===void 0){n=e.dts}e.dts=be(e.dts,n);e.pts=be(e.pts,n);a=e.dts;this.trigger("data",e)};this.flush=function(){n=a;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.discontinuity=function(){n=void 0;a=void 0};this.reset=function(){this.discontinuity();this.trigger("reset")}};ve.prototype=new a;var Se=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},ke=function(e,t,a){return decodeURIComponent(Se(e,t,a))},Ce=function(e,t,a){return unescape(Se(e,t,a))},Ee=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},Ie={TXXX:function(e){var t;if(3!==e.data[0]){return}for(t=1;t<e.data.length;t++){if(0===e.data[t]){e.description=ke(e.data,1,t);e.value=ke(e.data,t+1,e.data.length).replace(/\0*$/,"");break}}e.data=e.value},WXXX:function(e){var t;if(3!==e.data[0]){return}for(t=1;t<e.data.length;t++){if(0===e.data[t]){e.description=ke(e.data,1,t);e.url=ke(e.data,t+1,e.data.length);break}}},PRIV:function(e){var t;for(t=0;t<e.data.length;t++){if(0===e.data[t]){e.owner=Ce(e.data,0,t);break}}e.privateData=e.data.subarray(t+1);e.data=e.privateData}},xe;xe=function(e){var t={debug:!!(e&&e.debug),descriptor:e&&e.descriptor},a=0,n=[],r=0,s;xe.prototype.init.call(this);this.dispatchType=fe.METADATA_STREAM_TYPE.toString(16);if(t.descriptor){for(s=0;s<t.descriptor.length;s++){this.dispatchType+=("00"+t.descriptor[s].toString(16)).slice(-2)}}this.push=function(e){var s,o,l,p,u,c;if("timed-metadata"!==e.type){return}if(e.dataAlignmentIndicator){r=0;n.length=0}if(0===n.length&&(10>e.data.length||e.data[0]!==73||e.data[1]!==68||e.data[2]!==51)){if(t.debug){console.log("Skipping unrecognized metadata packet")}return}n.push(e);r+=e.data.byteLength;if(1===n.length){a=Ee(e.data.subarray(6,10));a+=10}if(r<a){return}s={data:new Uint8Array(a),frames:[],pts:n[0].pts,dts:n[0].dts};for(u=0;u<a;){s.data.set(n[0].data.subarray(0,a-u),u);u+=n[0].data.byteLength;r-=n[0].data.byteLength;n.shift()}o=10;if(64&s.data[5]){o+=4;o+=Ee(s.data.subarray(10,14));a-=Ee(s.data.subarray(16,20))}do{l=Ee(s.data.subarray(o+4,o+8));if(1>l){return console.log("Malformed ID3 frame encountered. Skipping metadata parsing.")}c=String.fromCharCode(s.data[o],s.data[o+1],s.data[o+2],s.data[o+3]);p={id:c,data:s.data.subarray(o+10,o+l+10)};p.key=p.id;if(Ie[p.id]){Ie[p.id](p);if("com.apple.streaming.transportStreamTimestamp"===p.owner){var m=p.data,d=(1&m[3])<<30|m[4]<<22|m[5]<<14|m[6]<<6|m[7]>>>2;d*=4;d+=3&m[7];p.timeStamp=d;if(s.pts===void 0&&s.dts===void 0){s.pts=p.timeStamp;s.dts=p.timeStamp}this.trigger("timestamp",p)}}s.frames.push(p);o+=10;o+=l}while(o<a);this.trigger("data",s)}};xe.prototype=new a;var Le=xe,Pe={TimestampRolloverStream:ve,handleRollover:be}.TimestampRolloverStream,De,we,Ae,Oe=188,Re=71;De=function(){var e=new Uint8Array(Oe),t=0;De.prototype.init.call(this);this.push=function(a){var n=0,r=Oe,i;if(t){i=new Uint8Array(a.byteLength+t);i.set(e.subarray(0,t));i.set(a,t);t=0}else{i=a}while(r<i.byteLength){if(i[n]===Re&&i[r]===Re){this.trigger("data",i.subarray(n,r));n+=Oe;r+=Oe;continue}n++;r++}if(n<i.byteLength){e.set(i.subarray(n),0);t=i.byteLength-n}};this.flush=function(){if(t===Oe&&e[0]===Re){this.trigger("data",e);t=0}this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")};this.reset=function(){t=0;this.trigger("reset")}};De.prototype=new a;we=function(){var e,t,a,n;we.prototype.init.call(this);n=this;this.packetsWaitingForPmt=[];this.programMapTable=void 0;e=function(e,n){var r=0;if(n.payloadUnitStartIndicator){r+=e[r]+1}if("pat"===n.type){t(e.subarray(r),n)}else{a(e.subarray(r),n)}};t=function(e,t){t.section_number=e[7];t.last_section_number=e[8];n.pmtPid=(31&e[10])<<8|e[11];t.pmtPid=n.pmtPid};a=function(e,t){var a,r,i,s;if(!(1&e[5])){return}n.programMapTable={video:null,audio:null,"timed-metadata":{}};a=(15&e[1])<<8|e[2];r=3+a-4;i=(15&e[10])<<8|e[11];s=12+i;while(s<r){var o=e[s],l=(31&e[s+1])<<8|e[s+2];if(o===fe.H264_STREAM_TYPE&&null===n.programMapTable.video){n.programMapTable.video=l}else if(o===fe.ADTS_STREAM_TYPE&&null===n.programMapTable.audio){n.programMapTable.audio=l}else if(o===fe.METADATA_STREAM_TYPE){n.programMapTable["timed-metadata"][l]=o}s+=((15&e[s+3])<<8|e[s+4])+5}t.programMapTable=n.programMapTable};this.push=function(t){var a={},n=4;a.payloadUnitStartIndicator=!!(64&t[1]);a.pid=31&t[1];a.pid<<=8;a.pid|=t[2];if(1<(48&t[3])>>>4){n+=t[n]+1}if(0===a.pid){a.type="pat";e(t.subarray(n),a);this.trigger("data",a)}else if(a.pid===this.pmtPid){a.type="pmt";e(t.subarray(n),a);this.trigger("data",a);while(this.packetsWaitingForPmt.length){this.processPes_.apply(this,this.packetsWaitingForPmt.shift())}}else if(this.programMapTable===void 0){this.packetsWaitingForPmt.push([t,n,a])}else{this.processPes_(t,n,a)}};this.processPes_=function(e,t,a){if(a.pid===this.programMapTable.video){a.streamType=fe.H264_STREAM_TYPE}else if(a.pid===this.programMapTable.audio){a.streamType=fe.ADTS_STREAM_TYPE}else{a.streamType=this.programMapTable["timed-metadata"][a.pid]}a.type="pes";a.data=e.subarray(t);this.trigger("data",a)}};we.prototype=new a;we.STREAM_TYPES={h264:27,adts:15};Ae=function(){var e=this,t={data:[],size:0},a={data:[],size:0},n={data:[],size:0},r,s=function(e,t){var a;t.packetLength=6+(e[4]<<8|e[5]);t.dataAlignmentIndicator=0!=(4&e[6]);a=e[7];if(192&a){t.pts=(14&e[9])<<27|(255&e[10])<<20|(254&e[11])<<12|(255&e[12])<<5|(254&e[13])>>>3;t.pts*=4;t.pts+=(6&e[13])>>>1;t.dts=t.pts;if(64&a){t.dts=(14&e[14])<<27|(255&e[15])<<20|(254&e[16])<<12|(255&e[17])<<5|(254&e[18])>>>3;t.dts*=4;t.dts+=(6&e[18])>>>1}}t.data=e.subarray(9+e[8])},o=function(t,a,n){var r=new Uint8Array(t.size),o={type:a},l=0,d=0,p=!1,u;if(!t.data.length||9>t.size){return}o.trackId=t.data[0].pid;for(l=0;l<t.data.length;l++){u=t.data[l];r.set(u.data,d);d+=u.data.byteLength}s(r,o);p="video"===a||o.packetLength<=t.size;if(n||p){t.size=0;t.data.length=0}if(p){e.trigger("data",o)}};Ae.prototype.init.call(this);this.push=function(i){({pat:function(){},pes:function(){var e,r;switch(i.streamType){case fe.H264_STREAM_TYPE:case fe.H264_STREAM_TYPE:e=t;r="video";break;case fe.ADTS_STREAM_TYPE:e=a;r="audio";break;case fe.METADATA_STREAM_TYPE:e=n;r="timed-metadata";break;default:return;}if(i.payloadUnitStartIndicator){o(e,r,!0)}e.data.push(i);e.size+=i.data.byteLength},pmt:function(){var t={type:"metadata",tracks:[]};r=i.programMapTable;if(null!==r.video){t.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+r.video,codec:"avc",type:"video"})}if(null!==r.audio){t.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+r.audio,codec:"adts",type:"audio"})}e.trigger("data",t)}})[i.type]()};this.reset=function(){t.size=0;t.data.length=0;a.size=0;a.data.length=0;this.trigger("reset")};this.flushStreams_=function(){o(t,"video");o(a,"audio");o(n,"timed-metadata")};this.flush=function(){this.flushStreams_();this.trigger("done")}};Ae.prototype=new a;var Ne={PAT_PID:0,MP2T_PACKET_LENGTH:Oe,TransportPacketStream:De,TransportParseStream:we,ElementaryStream:Ae,TimestampRolloverStream:Pe,CaptionStream:_e.CaptionStream,Cea608Stream:_e.Cea608Stream,MetadataStream:Le};for(var Ue in fe){if(fe.hasOwnProperty(Ue)){Ne[Ue]=fe[Ue]}}var Me=Ne,Be=ne.ONE_SECOND_IN_TS,je,Fe=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];je=function(e){var t,a=0;je.prototype.init.call(this);this.push=function(n){var r=0,s,o,l,d,p,u;if(!e){a=0}if("audio"!==n.type){return}if(t){d=t;t=new Uint8Array(d.byteLength+n.data.byteLength);t.set(d);t.set(n.data,d.byteLength)}else{t=n.data}while(r+5<t.length){if(255!==t[r]||240!=(246&t[r+1])){r++;continue}o=2*(1&~t[r+1]);s=(3&t[r+3])<<11|t[r+4]<<3|(224&t[r+5])>>5;p=1024*((3&t[r+6])+1);u=p*Be/Fe[(60&t[r+2])>>>2];l=r+s;if(t.byteLength<l){return}this.trigger("data",{pts:n.pts+a*u,dts:n.dts+a*u,sampleCount:p,audioobjecttype:(3&t[r+2]>>>6)+1,channelcount:(1&t[r+2])<<2|(192&t[r+3])>>>6,samplerate:Fe[(60&t[r+2])>>>2],samplingfrequencyindex:(60&t[r+2])>>>2,samplesize:16,data:t.subarray(r+7+o,l)});a++;if(t.byteLength===l){t=void 0;return}t=t.subarray(l)}};this.flush=function(){a=0;this.trigger("done")};this.reset=function(){t=void 0;this.trigger("reset")};this.endTimeline=function(){t=void 0;this.trigger("endedtimeline")}};je.prototype=new a;var He=je,qe;qe=function(e){var t=e.byteLength,a=0,n=0;this.length=function(){return 8*t};this.bitsAvailable=function(){return 8*t+n};this.loadWord=function(){var r=e.byteLength-t,i=new Uint8Array(4),s=Math.min(4,t);if(0===s){throw new Error("no bytes available")}i.set(e.subarray(r,r+s));a=new DataView(i.buffer).getUint32(0);n=8*s;t-=s};this.skipBits=function(e){var r;if(n>e){a<<=e;n-=e}else{e-=n;r=Math.floor(e/8);e-=8*r;t-=r;this.loadWord();a<<=e;n-=e}};this.readBits=function(e){var r=Math.min(n,e),i=a>>>32-r;n-=r;if(0<n){a<<=r}else if(0<t){this.loadWord()}r=e-r;if(0<r){return i<<r|this.readBits(r)}return i};this.skipLeadingZeros=function(){var e;for(e=0;e<n;++e){if(0!=(a&2147483648>>>e)){a<<=e;n-=e;return e}}this.loadWord();return e+this.skipLeadingZeros()};this.skipUnsignedExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())};this.skipExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())};this.readUnsignedExpGolomb=function(){var e=this.skipLeadingZeros();return this.readBits(e+1)-1};this.readExpGolomb=function(){var e=this.readUnsignedExpGolomb();if(1&e){return 1+e>>>1}return-1*(e>>>1)};this.readBoolean=function(){return 1===this.readBits(1)};this.readUnsignedByte=function(){return this.readBits(8)};this.loadWord()};var Ve=qe,We,ze,Ge;ze=function(){var e=0,t,a;ze.prototype.init.call(this);this.push=function(n){var r;if(!a){a=n.data}else{r=new Uint8Array(a.byteLength+n.data.byteLength);r.set(a);r.set(n.data,a.byteLength);a=r}var i=a.byteLength;for(;e<i-3;e++){if(1===a[e+2]){t=e+5;break}}while(t<i){switch(a[t]){case 0:if(0!==a[t-1]){t+=2;break}else if(0!==a[t-2]){t++;break}if(e+3!==t-2){this.trigger("data",a.subarray(e+3,t-2))}do{t++}while(1!==a[t]&&t<i);e=t-2;t+=3;break;case 1:if(0!==a[t-1]||0!==a[t-2]){t+=3;break}this.trigger("data",a.subarray(e+3,t-2));e=t-2;t+=3;break;default:t+=3;break;}}a=a.subarray(e);t-=e;e=0};this.reset=function(){a=null;e=0;this.trigger("reset")};this.flush=function(){if(a&&3<a.byteLength){this.trigger("data",a.subarray(e+3))}a=null;e=0;this.trigger("done")};this.endTimeline=function(){this.flush();this.trigger("endedtimeline")}};ze.prototype=new a;Ge={100:!0,110:!0,122:!0,244:!0,44:!0,83:!0,86:!0,118:!0,128:!0,138:!0,139:!0,134:!0};We=function(){var e=new ze,t,a,n,r,i,s,o;We.prototype.init.call(this);t=this;this.push=function(t){if("video"!==t.type){return}a=t.trackId;n=t.pts;r=t.dts;e.push(t)};e.on("data",function(e){var o={trackId:a,pts:n,dts:r,data:e};switch(31&e[0]){case 5:o.nalUnitType="slice_layer_without_partitioning_rbsp_idr";break;case 6:o.nalUnitType="sei_rbsp";o.escapedRBSP=i(e.subarray(1));break;case 7:o.nalUnitType="seq_parameter_set_rbsp";o.escapedRBSP=i(e.subarray(1));o.config=s(o.escapedRBSP);break;case 8:o.nalUnitType="pic_parameter_set_rbsp";break;case 9:o.nalUnitType="access_unit_delimiter_rbsp";break;default:break;}t.trigger("data",o)});e.on("done",function(){t.trigger("done")});e.on("partialdone",function(){t.trigger("partialdone")});e.on("reset",function(){t.trigger("reset")});e.on("endedtimeline",function(){t.trigger("endedtimeline")});this.flush=function(){e.flush()};this.partialFlush=function(){e.partialFlush()};this.reset=function(){e.reset()};this.endTimeline=function(){e.endTimeline()};o=function(e,t){var a=8,n=8,r,i;for(r=0;r<e;r++){if(0!==n){i=t.readExpGolomb();n=(a+i+256)%256}a=0===n?a:n}};i=function(e){var t=e.byteLength,a=[],n=1,r,s;while(n<t-2){if(0===e[n]&&0===e[n+1]&&3===e[n+2]){a.push(n+2);n+=2}else{n++}}if(0===a.length){return e}r=t-a.length;s=new Uint8Array(r);var o=0;for(n=0;n<r;o++,n++){if(o===a[0]){o++;a.shift()}s[n]=e[o]}return s};s=function(e){var t=0,a=0,n=0,r=0,s=1,l,d,p,u,c,m,g,y,h,_,f,T,b,v;l=new Ve(e);d=l.readUnsignedByte();u=l.readUnsignedByte();p=l.readUnsignedByte();l.skipUnsignedExpGolomb();if(Ge[d]){c=l.readUnsignedExpGolomb();if(3===c){l.skipBits(1)}l.skipUnsignedExpGolomb();l.skipUnsignedExpGolomb();l.skipBits(1);if(l.readBoolean()){f=3!==c?8:12;for(v=0;v<f;v++){if(l.readBoolean()){if(6>v){o(16,l)}else{o(64,l)}}}}}l.skipUnsignedExpGolomb();m=l.readUnsignedExpGolomb();if(0===m){l.readUnsignedExpGolomb()}else if(1===m){l.skipBits(1);l.skipExpGolomb();l.skipExpGolomb();g=l.readUnsignedExpGolomb();for(v=0;v<g;v++){l.skipExpGolomb()}}l.skipUnsignedExpGolomb();l.skipBits(1);y=l.readUnsignedExpGolomb();h=l.readUnsignedExpGolomb();_=l.readBits(1);if(0===_){l.skipBits(1)}l.skipBits(1);if(l.readBoolean()){t=l.readUnsignedExpGolomb();a=l.readUnsignedExpGolomb();n=l.readUnsignedExpGolomb();r=l.readUnsignedExpGolomb()}if(l.readBoolean()){if(l.readBoolean()){b=l.readUnsignedByte();switch(b){case 1:T=[1,1];break;case 2:T=[12,11];break;case 3:T=[10,11];break;case 4:T=[16,11];break;case 5:T=[40,33];break;case 6:T=[24,11];break;case 7:T=[20,11];break;case 8:T=[32,11];break;case 9:T=[80,33];break;case 10:T=[18,11];break;case 11:T=[15,11];break;case 12:T=[64,33];break;case 13:T=[160,99];break;case 14:T=[4,3];break;case 15:T=[3,2];break;case 16:T=[2,1];break;case 255:{T=[l.readUnsignedByte()<<8|l.readUnsignedByte(),l.readUnsignedByte()<<8|l.readUnsignedByte()];break}}if(T){s=T[0]/T[1]}}}return{profileIdc:d,levelIdc:p,profileCompatibility:u,width:Math.ceil((16*(y+1)-2*t-2*a)*s),height:16*((2-_)*(h+1))-2*n-2*r,sarRatio:T}}};We.prototype=new a;var Ke={H264Stream:We,NalByteStream:ze},Ye=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],Xe=function(e){return e[0]<<21|e[1]<<14|e[2]<<7|e[3]},$e=function(e,t,a){var n,r="";for(n=t;n<a;n++){r+="%"+("00"+e[n].toString(16)).slice(-2)}return r},Qe=function(e,t,a){return unescape($e(e,t,a))},Je={isLikelyAacData:function(e){if(e[0]===73&&e[1]===68&&e[2]===51){return!0}return!1},parseId3TagSize:function(e,t){var a=e[t+6]<<21|e[t+7]<<14|e[t+8]<<7|e[t+9],n=e[t+5];if((16&n)>>4){return a+20}return a+10},parseAdtsSize:function(e,t){var a=(224&e[t+5])>>5,n=e[t+4]<<3,r=e[t+3]&6144;return r|n|a},parseType:function(e,t){if(e[t]===73&&e[t+1]===68&&e[t+2]===51){return"timed-metadata"}else if(e[t]&!0&&240==(240&e[t+1])){return"audio"}return null},parseSampleRate:function(e){var t=0;while(t+5<e.length){if(255!==e[t]||240!=(246&e[t+1])){t++;continue}return Ye[(60&e[t+2])>>>2]}return null},parseAacTimestamp:function(e){var t,a,n,r;t=10;if(64&e[5]){t+=4;t+=Xe(e.subarray(10,14))}do{a=Xe(e.subarray(t+4,t+8));if(1>a){return null}r=String.fromCharCode(e[t],e[t+1],e[t+2],e[t+3]);if("PRIV"===r){n=e.subarray(t+10,t+a+10);for(var s=0;s<n.byteLength;s++){if(0===n[s]){var o=Qe(n,0,s);if("com.apple.streaming.transportStreamTimestamp"===o){var l=n.subarray(s+1),d=(1&l[3])<<30|l[4]<<22|l[5]<<14|l[6]<<6|l[7]>>>2;d*=4;d+=3&l[7];return d}break}}}t+=10;t+=a}while(t<e.byteLength);return null}},Ze;Ze=function(){var e=new Uint8Array,t=0;Ze.prototype.init.call(this);this.setTimestamp=function(e){t=e};this.push=function(a){var n=0,r=0,i,s,o,l;if(e.length){l=e.length;e=new Uint8Array(a.byteLength+l);e.set(e.subarray(0,l));e.set(a,l)}else{e=a}while(3<=e.length-r){if(e[r]===73&&e[r+1]===68&&e[r+2]===51){if(10>e.length-r){break}n=Je.parseId3TagSize(e,r);if(r+n>e.length){break}s={type:"timed-metadata",data:e.subarray(r,r+n)};this.trigger("data",s);r+=n;continue}else if(255==(255&e[r])&&240==(240&e[r+1])){if(7>e.length-r){break}n=Je.parseAdtsSize(e,r);if(r+n>e.length){break}o={type:"audio",data:e.subarray(r,r+n),pts:t,dts:t};this.trigger("data",o);r+=n;continue}r++}i=e.length-r;if(0<i){e=e.subarray(r)}else{e=new Uint8Array}};this.reset=function(){e=new Uint8Array;this.trigger("reset")};this.endTimeline=function(){e=new Uint8Array;this.trigger("endedtimeline")}};Ze.prototype=new a;var et=Ze,tt=Ke.H264Stream,at=Je.isLikelyAacData,nt=ne.ONE_SECOND_IN_TS,rt=["audioobjecttype","channelcount","samplerate","samplingfrequencyindex","samplesize"],it=["width","height","profileIdc","levelIdc","profileCompatibility","sarRatio"],st,ot,lt,dt,pt=function(e,t){var a;if(e.length!==t.length){return!1}for(a=0;a<e.length;a++){if(e[a]!==t[a]){return!1}}return!0},ut=function(e,t,a,n,r,i){return{start:{dts:e,pts:e+(a-t)},end:{dts:e+(n-t),pts:e+(r-a)},prependedContentDuration:i,baseMediaDecodeTime:e}};ot=function(e,t){var a=[],n=0,r=0,i=0,s=1/0;t=t||{};ot.prototype.init.call(this);this.push=function(t){oe.collectDtsInfo(e,t);if(e){rt.forEach(function(a){e[a]=t[a]})}a.push(t)};this.setEarliestDts=function(t){r=t-e.timelineStartInfo.baseMediaDecodeTime};this.setVideoBaseMediaDecodeTime=function(e){s=e};this.setAudioAppendStart=function(e){i=e};this.flush=function(){var o,l,d,p,u;if(0===a.length){this.trigger("done","AudioSegmentStream");return}o=ie.trimAdtsFramesByEarliestDts(a,e,r);e.baseMediaDecodeTime=oe.calculateTrackBaseMediaDecodeTime(e,t.keepOriginalTimestamps);ie.prefixWithSilence(e,o,i,s);e.samples=ie.generateSampleTable(o);d=F.mdat(ie.concatenateFrameData(o));a=[];l=F.moof(n,[e]);p=new Uint8Array(l.byteLength+d.byteLength);n++;p.set(l);p.set(d,l.byteLength);oe.clearDtsInfo(e);u=Math.ceil(1024*nt/e.samplerate);if(o.length){this.trigger("timingInfo",{start:o[0].pts,end:o[0].pts+o.length*u})}this.trigger("data",{track:e,boxes:p});this.trigger("done","AudioSegmentStream")};this.reset=function(){oe.clearDtsInfo(e);a=[];this.trigger("reset")}};ot.prototype=new a;st=function(e,t){var a=0,n=[],r=[],i,s;t=t||{};st.prototype.init.call(this);delete e.minPTS;this.gopCache_=[];this.push=function(t){oe.collectDtsInfo(e,t);if("seq_parameter_set_rbsp"===t.nalUnitType&&!i){i=t.config;e.sps=[t.data];it.forEach(function(t){e[t]=i[t]},this)}if("pic_parameter_set_rbsp"===t.nalUnitType&&!s){s=t.data;e.pps=[t.data]}n.push(t)};this.flush=function(){var i,s,o,l,d,p,u=0,c,m;while(n.length){if("access_unit_delimiter_rbsp"===n[0].nalUnitType){break}n.shift()}if(0===n.length){this.resetStream_();this.trigger("done","VideoSegmentStream");return}i=V.groupNalsIntoFrames(n);o=V.groupFramesIntoGops(i);if(!o[0][0].keyFrame){s=this.getGopForFusion_(n[0],e);if(s){u=s.duration;o.unshift(s);o.byteLength+=s.byteLength;o.nalCount+=s.nalCount;o.pts=s.pts;o.dts=s.dts;o.duration+=s.duration}else{o=V.extendFirstKeyFrame(o)}}if(r.length){var g;if(t.alignGopsAtEnd){g=this.alignGopsAtEnd_(o)}else{g=this.alignGopsAtStart_(o)}if(!g){this.gopCache_.unshift({gop:o.pop(),pps:e.pps,sps:e.sps});this.gopCache_.length=Math.min(6,this.gopCache_.length);n=[];this.resetStream_();this.trigger("done","VideoSegmentStream");return}oe.clearDtsInfo(e);o=g}oe.collectDtsInfo(e,o);e.samples=V.generateSampleTable(o);d=F.mdat(V.concatenateNalData(o));e.baseMediaDecodeTime=oe.calculateTrackBaseMediaDecodeTime(e,t.keepOriginalTimestamps);this.trigger("processedGopsInfo",o.map(function(e){return{pts:e.pts,dts:e.dts,byteLength:e.byteLength}}));c=o[0];m=o[o.length-1];this.trigger("segmentTimingInfo",ut(e.baseMediaDecodeTime,c.dts,c.pts,m.dts+m.duration,m.pts+m.duration,u));this.trigger("timingInfo",{start:o[0].pts,end:o[o.length-1].pts+o[o.length-1].duration});this.gopCache_.unshift({gop:o.pop(),pps:e.pps,sps:e.sps});this.gopCache_.length=Math.min(6,this.gopCache_.length);n=[];this.trigger("baseMediaDecodeTime",e.baseMediaDecodeTime);this.trigger("timelineStartInfo",e.timelineStartInfo);l=F.moof(a,[e]);p=new Uint8Array(l.byteLength+d.byteLength);a++;p.set(l);p.set(d,l.byteLength);this.trigger("data",{track:e,boxes:p});this.resetStream_();this.trigger("done","VideoSegmentStream")};this.reset=function(){this.resetStream_();n=[];this.gopCache_.length=0;r.length=0;this.trigger("reset")};this.resetStream_=function(){oe.clearDtsInfo(e);i=void 0;s=void 0};this.getGopForFusion_=function(t){var a=1/0,n,r,s,o,l;for(l=0;l<this.gopCache_.length;l++){o=this.gopCache_[l];s=o.gop;if(!(e.pps&&pt(e.pps[0],o.pps[0]))||!(e.sps&&pt(e.sps[0],o.sps[0]))){continue}if(s.dts<e.timelineStartInfo.dts){continue}n=t.dts-s.dts-s.duration;if(n>=-10000&&n<=45000){if(!r||a>n){r=o;a=n}}}if(r){return r.gop}return null};this.alignGopsAtStart_=function(e){var t,a,n,i,s,o,l,d;s=e.byteLength;o=e.nalCount;l=e.duration;t=a=0;while(t<r.length&&a<e.length){n=r[t];i=e[a];if(n.pts===i.pts){break}if(i.pts>n.pts){t++;continue}a++;s-=i.byteLength;o-=i.nalCount;l-=i.duration}if(0===a){return e}if(a===e.length){return null}d=e.slice(a);d.byteLength=s;d.duration=l;d.nalCount=o;d.pts=d[0].pts;d.dts=d[0].dts;return d};this.alignGopsAtEnd_=function(e){var t,a,n,i,s,o;t=r.length-1;a=e.length-1;s=null;o=!1;while(0<=t&&0<=a){n=r[t];i=e[a];if(n.pts===i.pts){o=!0;break}if(n.pts>i.pts){t--;continue}if(t===r.length-1){s=a}a--}if(!o&&null===s){return null}var l;if(o){l=a}else{l=s}if(0===l){return e}var d=e.slice(l),p=d.reduce(function(e,t){e.byteLength+=t.byteLength;e.duration+=t.duration;e.nalCount+=t.nalCount;return e},{byteLength:0,duration:0,nalCount:0});d.byteLength=p.byteLength;d.duration=p.duration;d.nalCount=p.nalCount;d.pts=d[0].pts;d.dts=d[0].dts;return d};this.alignGopsWith=function(e){r=e}};st.prototype=new a;dt=function(e,t){this.numberOfTracks=0;this.metadataStream=t;e=e||{};if("undefined"!=typeof e.remux){this.remuxTracks=!!e.remux}else{this.remuxTracks=!0}if("boolean"==typeof e.keepOriginalTimestamps){this.keepOriginalTimestamps=e.keepOriginalTimestamps}else{this.keepOriginalTimestamps=!1}this.pendingTracks=[];this.videoTrack=null;this.pendingBoxes=[];this.pendingCaptions=[];this.pendingMetadata=[];this.pendingBytes=0;this.emittedTracks=0;dt.prototype.init.call(this);this.push=function(e){if(e.text){return this.pendingCaptions.push(e)}if(e.frames){return this.pendingMetadata.push(e)}this.pendingTracks.push(e.track);this.pendingBytes+=e.boxes.byteLength;if("video"===e.track.type){this.videoTrack=e.track;this.pendingBoxes.push(e.boxes)}if("audio"===e.track.type){this.audioTrack=e.track;this.pendingBoxes.unshift(e.boxes)}}};dt.prototype=new a;dt.prototype.flush=function(e){var t=0,a={captions:[],captionStreams:{},metadata:[],info:{}},n,r,s,o=0,l;if(this.pendingTracks.length<this.numberOfTracks){if("VideoSegmentStream"!==e&&"AudioSegmentStream"!==e){return}else if(this.remuxTracks){return}else if(0===this.pendingTracks.length){this.emittedTracks++;if(this.emittedTracks>=this.numberOfTracks){this.trigger("done");this.emittedTracks=0}return}}if(this.videoTrack){o=this.videoTrack.timelineStartInfo.pts;it.forEach(function(e){a.info[e]=this.videoTrack[e]},this)}else if(this.audioTrack){o=this.audioTrack.timelineStartInfo.pts;rt.forEach(function(e){a.info[e]=this.audioTrack[e]},this)}if(this.videoTrack||this.audioTrack){if(1===this.pendingTracks.length){a.type=this.pendingTracks[0].type}else{a.type="combined"}this.emittedTracks+=this.pendingTracks.length;s=F.initSegment(this.pendingTracks);a.initSegment=new Uint8Array(s.byteLength);a.initSegment.set(s);a.data=new Uint8Array(this.pendingBytes);for(l=0;l<this.pendingBoxes.length;l++){a.data.set(this.pendingBoxes[l],t);t+=this.pendingBoxes[l].byteLength}for(l=0;l<this.pendingCaptions.length;l++){n=this.pendingCaptions[l];n.startTime=ne.metadataTsToSeconds(n.startPts,o,this.keepOriginalTimestamps);n.endTime=ne.metadataTsToSeconds(n.endPts,o,this.keepOriginalTimestamps);a.captionStreams[n.stream]=!0;a.captions.push(n)}for(l=0;l<this.pendingMetadata.length;l++){r=this.pendingMetadata[l];r.cueTime=ne.metadataTsToSeconds(r.pts,o,this.keepOriginalTimestamps);a.metadata.push(r)}a.metadata.dispatchType=this.metadataStream.dispatchType;this.pendingTracks.length=0;this.videoTrack=null;this.pendingBoxes.length=0;this.pendingCaptions.length=0;this.pendingBytes=0;this.pendingMetadata.length=0;this.trigger("data",a);for(l=0;l<a.captions.length;l++){n=a.captions[l];this.trigger("caption",n)}for(l=0;l<a.metadata.length;l++){r=a.metadata[l];this.trigger("id3Frame",r)}}if(this.emittedTracks>=this.numberOfTracks){this.trigger("done");this.emittedTracks=0}};dt.prototype.setRemux=function(e){this.remuxTracks=e};lt=function(e){var t=this,a=!0,n,r;lt.prototype.init.call(this);e=e||{};this.baseMediaDecodeTime=e.baseMediaDecodeTime||0;this.transmuxPipeline_={};this.setupAacPipeline=function(){var a={};this.transmuxPipeline_=a;a.type="aac";a.metadataStream=new Me.MetadataStream;a.aacStream=new et;a.audioTimestampRolloverStream=new Me.TimestampRolloverStream("audio");a.timedMetadataTimestampRolloverStream=new Me.TimestampRolloverStream("timed-metadata");a.adtsStream=new He;a.coalesceStream=new dt(e,a.metadataStream);a.headOfPipeline=a.aacStream;a.aacStream.pipe(a.audioTimestampRolloverStream).pipe(a.adtsStream);a.aacStream.pipe(a.timedMetadataTimestampRolloverStream).pipe(a.metadataStream).pipe(a.coalesceStream);a.metadataStream.on("timestamp",function(e){a.aacStream.setTimestamp(e.timeStamp)});a.aacStream.on("data",function(i){if("timed-metadata"===i.type&&!a.audioSegmentStream){r=r||{timelineStartInfo:{baseMediaDecodeTime:t.baseMediaDecodeTime},codec:"adts",type:"audio"};a.coalesceStream.numberOfTracks++;a.audioSegmentStream=new ot(r,e);a.audioSegmentStream.on("timingInfo",t.trigger.bind(t,"audioTimingInfo"));a.adtsStream.pipe(a.audioSegmentStream).pipe(a.coalesceStream)}t.trigger("trackinfo",{hasAudio:!!r,hasVideo:!!n})});a.coalesceStream.on("data",this.trigger.bind(this,"data"));a.coalesceStream.on("done",this.trigger.bind(this,"done"))};this.setupTsPipeline=function(){var a={};this.transmuxPipeline_=a;a.type="ts";a.metadataStream=new Me.MetadataStream;a.packetStream=new Me.TransportPacketStream;a.parseStream=new Me.TransportParseStream;a.elementaryStream=new Me.ElementaryStream;a.timestampRolloverStream=new Me.TimestampRolloverStream;a.adtsStream=new He;a.h264Stream=new tt;a.captionStream=new Me.CaptionStream;a.coalesceStream=new dt(e,a.metadataStream);a.headOfPipeline=a.packetStream;a.packetStream.pipe(a.parseStream).pipe(a.elementaryStream).pipe(a.timestampRolloverStream);a.timestampRolloverStream.pipe(a.h264Stream);a.timestampRolloverStream.pipe(a.adtsStream);a.timestampRolloverStream.pipe(a.metadataStream).pipe(a.coalesceStream);a.h264Stream.pipe(a.captionStream).pipe(a.coalesceStream);a.elementaryStream.on("data",function(s){var o;if("metadata"===s.type){o=s.tracks.length;while(o--){if(!n&&"video"===s.tracks[o].type){n=s.tracks[o];n.timelineStartInfo.baseMediaDecodeTime=t.baseMediaDecodeTime}else if(!r&&"audio"===s.tracks[o].type){r=s.tracks[o];r.timelineStartInfo.baseMediaDecodeTime=t.baseMediaDecodeTime}}if(n&&!a.videoSegmentStream){a.coalesceStream.numberOfTracks++;a.videoSegmentStream=new st(n,e);a.videoSegmentStream.on("timelineStartInfo",function(e){if(r){r.timelineStartInfo=e;a.audioSegmentStream.setEarliestDts(e.dts)}});a.videoSegmentStream.on("processedGopsInfo",t.trigger.bind(t,"gopInfo"));a.videoSegmentStream.on("segmentTimingInfo",t.trigger.bind(t,"videoSegmentTimingInfo"));a.videoSegmentStream.on("baseMediaDecodeTime",function(e){if(r){a.audioSegmentStream.setVideoBaseMediaDecodeTime(e)}});a.videoSegmentStream.on("timingInfo",t.trigger.bind(t,"videoTimingInfo"));a.h264Stream.pipe(a.videoSegmentStream).pipe(a.coalesceStream)}if(r&&!a.audioSegmentStream){a.coalesceStream.numberOfTracks++;a.audioSegmentStream=new ot(r,e);a.audioSegmentStream.on("timingInfo",t.trigger.bind(t,"audioTimingInfo"));a.adtsStream.pipe(a.audioSegmentStream).pipe(a.coalesceStream)}t.trigger("trackinfo",{hasAudio:!!r,hasVideo:!!n})}});a.coalesceStream.on("data",this.trigger.bind(this,"data"));a.coalesceStream.on("id3Frame",function(e){e.dispatchType=a.metadataStream.dispatchType;t.trigger("id3Frame",e)});a.coalesceStream.on("caption",this.trigger.bind(this,"caption"));a.coalesceStream.on("done",this.trigger.bind(this,"done"))};this.setBaseMediaDecodeTime=function(t){var a=this.transmuxPipeline_;if(!e.keepOriginalTimestamps){this.baseMediaDecodeTime=t}if(r){r.timelineStartInfo.dts=void 0;r.timelineStartInfo.pts=void 0;oe.clearDtsInfo(r);if(!e.keepOriginalTimestamps){r.timelineStartInfo.baseMediaDecodeTime=t}if(a.audioTimestampRolloverStream){a.audioTimestampRolloverStream.discontinuity()}}if(n){if(a.videoSegmentStream){a.videoSegmentStream.gopCache_=[]}n.timelineStartInfo.dts=void 0;n.timelineStartInfo.pts=void 0;oe.clearDtsInfo(n);a.captionStream.reset();if(!e.keepOriginalTimestamps){n.timelineStartInfo.baseMediaDecodeTime=t}}if(a.timestampRolloverStream){a.timestampRolloverStream.discontinuity()}};this.setAudioAppendStart=function(e){if(r){this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(e)}};this.setRemux=function(t){var a=this.transmuxPipeline_;e.remux=t;if(a&&a.coalesceStream){a.coalesceStream.setRemux(t)}};this.alignGopsWith=function(e){if(n&&this.transmuxPipeline_.videoSegmentStream){this.transmuxPipeline_.videoSegmentStream.alignGopsWith(e)}};this.push=function(e){if(a){var t=at(e);if(t&&"aac"!==this.transmuxPipeline_.type){this.setupAacPipeline()}else if(!t&&"ts"!==this.transmuxPipeline_.type){this.setupTsPipeline()}a=!1}this.transmuxPipeline_.headOfPipeline.push(e)};this.flush=function(){a=!0;this.transmuxPipeline_.headOfPipeline.flush()};this.endTimeline=function(){this.transmuxPipeline_.headOfPipeline.endTimeline()};this.reset=function(){if(this.transmuxPipeline_.headOfPipeline){this.transmuxPipeline_.headOfPipeline.reset()}};this.resetCaptions=function(){if(this.transmuxPipeline_.captionStream){this.transmuxPipeline_.captionStream.reset()}}};lt.prototype=new a;var ct={Transmuxer:lt,VideoSegmentStream:st,AudioSegmentStream:ot,AUDIO_PROPERTIES:rt,VIDEO_PROPERTIES:it,generateVideoSegmentTimingInfo:ut},mt=function(e,t){if(!(e instanceof t)){throw new TypeError("Cannot call a class as a function")}},gt=function(){function e(e,t){for(var a=0,n;a<t.length;a++){n=t[a];n.enumerable=n.enumerable||!1;n.configurable=!0;if("value"in n)n.writable=!0;Object.defineProperty(e,n.key,n)}}return function(t,a,n){if(a)e(t.prototype,a);if(n)e(t,n);return t}}(),yt=function(e,t){t.on("data",function(t){var a=t.initSegment;t.initSegment={data:a.buffer,byteOffset:a.byteOffset,byteLength:a.byteLength};var n=t.data;t.data=n.buffer;e.postMessage({action:"data",segment:t,byteOffset:n.byteOffset,byteLength:n.byteLength},[t.data])});if(t.captionStream){t.captionStream.on("data",function(t){e.postMessage({action:"caption",data:t})})}t.on("done",function(){e.postMessage({action:"done"})});t.on("gopInfo",function(t){e.postMessage({action:"gopInfo",gopInfo:t})});t.on("videoSegmentTimingInfo",function(t){e.postMessage({action:"videoSegmentTimingInfo",videoSegmentTimingInfo:t})})},ht=function(){function e(t,a){mt(this,e);this.options=a||{};this.self=t;this.init()}gt(e,[{key:"init",value:function(){if(this.transmuxer){this.transmuxer.dispose()}this.transmuxer=new ct.Transmuxer(this.options);yt(this.self,this.transmuxer)}},{key:"push",value:function(e){var t=new Uint8Array(e.data,e.byteOffset,e.byteLength);this.transmuxer.push(t)}},{key:"reset",value:function(){this.init()}},{key:"setTimestampOffset",value:function(e){var t=e.timestampOffset||0;this.transmuxer.setBaseMediaDecodeTime(Math.round(9e4*t))}},{key:"setAudioAppendStart",value:function(e){this.transmuxer.setAudioAppendStart(Math.ceil(9e4*e.appendStart))}},{key:"flush",value:function(){this.transmuxer.flush()}},{key:"resetCaptions",value:function(){this.transmuxer.resetCaptions()}},{key:"alignGopsWith",value:function(e){this.transmuxer.alignGopsWith(e.gopsToAlignWith.slice())}}]);return e}(),_t=new function(e){e.onmessage=function(t){if("init"===t.data.action&&t.data.options){this.messageHandlers=new ht(e,t.data.options);return}if(!this.messageHandlers){this.messageHandlers=new ht(e)}if(t.data&&t.data.action&&"init"!==t.data.action){if(this.messageHandlers[t.data.action]){this.messageHandlers[t.data.action](t.data)}}}}(e);return _t}()}),_c={videoCodec:"avc1",videoObjectTypeIndicator:".4d400d",audioProfile:"2"},fc=function(e){return e.map(function(e){return e.replace(/avc1\.(\d+)\.(\d+)/i,function(e,t,a){var n=("00"+(+t).toString(16)).slice(-2),r=("00"+(+a).toString(16)).slice(-2);return"avc1."+n+"00"+r})})},Tc=function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:"",t={codecCount:0},a=void 0;t.codecCount=e.split(",").length;t.codecCount=t.codecCount||2;a=/(^|\s|,)+(avc[13])([^ ,]*)/i.exec(e);if(a){t.videoCodec=a[2];t.videoObjectTypeIndicator=a[3]}t.audioProfile=/(^|\s|,)+mp4a.[0-9A-Fa-f]+\.([0-9A-Fa-f]+)/i.exec(e);t.audioProfile=t.audioProfile&&t.audioProfile[2];return t},bc=function(e){return e.replace(/avc1\.(\d+)\.(\d+)/i,function(e){return fc([e])[0]})},vc=function(e,t,a){return e+"/"+t+"; codecs=\""+a.filter(function(e){return!!e}).join(", ")+"\""},Sc=function(e){if(e.segments&&e.segments.length&&e.segments[0].map){return"mp4"}return"mp2t"},kc=function(e){var t=e.attributes||{};if(t.CODECS){return Tc(t.CODECS)}return _c},Cc=function(e,t){if(!e.mediaGroups.AUDIO||!t){return null}var a=e.mediaGroups.AUDIO[t];if(!a){return null}for(var n in a){var r=a[n];if(r["default"]&&r.playlists){return Tc(r.playlists[0].attributes.CODECS).audioProfile}}return null},Ec=function(e,t){var a=Sc(t),n=kc(t),r=t.attributes||{},i=!0,s=!1;if(!t){return[]}if(e.mediaGroups.AUDIO&&r.AUDIO){var o=e.mediaGroups.AUDIO[r.AUDIO];if(o){s=!0;i=!1;for(var l in o){if(!o[l].uri&&!o[l].playlists){i=!0;break}}}}if(s&&!n.audioProfile){if(!i){n.audioProfile=Cc(e,r.AUDIO)}if(!n.audioProfile){Hi.log.warn("Multiple audio tracks present but no audio codec string is specified. Attempting to use the default audio codec (mp4a.40.2)");n.audioProfile=_c.audioProfile}}var d={};if(n.videoCodec){d.video=""+n.videoCodec+n.videoObjectTypeIndicator}if(n.audioProfile){d.audio="mp4a.40."+n.audioProfile}var p=vc("audio",a,[d.audio]),u=vc("video",a,[d.video]),c=vc("video",a,[d.video,d.audio]);if(s){if(!i&&d.video){return[u,p]}if(!i&&!d.video){return[p,p]}return[c,p]}if(!d.video){return[p]}return[c]},Ic=function(e){var t={type:"",parameters:{}},a=e.trim().split(";");t.type=a.shift().trim();a.forEach(function(e){var a=e.trim().split("=");if(1<a.length){var n=a[0].replace(/"/g,"").trim(),r=a[1].replace(/"/g,"").trim();t.parameters[n]=r}});return t},xc=function(e){return /mp4a\.\d+.\d+/i.test(e)},Lc=function(e){return /avc1\.[\da-f]+/i.test(e)},Pc=function(e,t,a){if("undefined"==typeof t||null===t||!e.length){return[]}var n=Math.ceil(9e4*(t-a+3)),r=void 0;for(r=0;r<e.length;r++){if(e[r].pts>n){break}}return e.slice(r)},Dc=function(e,t,a){if(!t.length){return e}if(a){return t.slice()}var n=t[0].pts,r=0;for(r;r<e.length;r++){if(e[r].pts>=n){break}}return e.slice(0,r).concat(t)},wc=function(e,t,a,n){var r=Math.ceil(9e4*(t-n)),s=Math.ceil(9e4*(a-n)),o=e.slice(),l=e.length;while(l--){if(e[l].pts<=s){break}}if(-1===l){return o}var d=l+1;while(d--){if(e[d].pts<=r){break}}d=Math.max(d,0);o.splice(d,l-d+1);return o},Ac=function(e,t,a){var n=null,r=null,i=0,s=[],o=[];if(!e&&!t){return Hi.createTimeRange()}if(!e){return t.buffered}if(!t){return e.buffered}if(a){return e.buffered}if(0===e.buffered.length&&0===t.buffered.length){return Hi.createTimeRange()}var l=e.buffered,d=t.buffered,p=l.length;while(p--){s.push({time:l.start(p),type:"start"});s.push({time:l.end(p),type:"end"})}p=d.length;while(p--){s.push({time:d.start(p),type:"start"});s.push({time:d.end(p),type:"end"})}s.sort(function(e,t){return e.time-t.time});for(p=0;p<s.length;p++){if("start"===s[p].type){i++;if(2===i){n=s[p].time}}else if("end"===s[p].type){i--;if(1===i){r=s[p].time}}if(null!==n&&null!==r){o.push([n,r]);n=null;r=null}}return Hi.createTimeRanges(o)},Oc=9e4,Rc=function(e,t){var a=e.addSourceBuffer(t),n=Object.create(null);n.updating=!1;n.realBuffer_=a;var r=function(e){if("function"==typeof a[e]){n[e]=function(){return a[e].apply(a,arguments)}}else if("undefined"==typeof n[e]){Object.defineProperty(n,e,{get:function(){return a[e]},set:function(t){return a[e]=t}})}};for(var i in a){r(i)}return n},Nc=function(e){Fp(t,e);function t(e,a){Mp(this,t);var n=Hp(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,Hi.EventTarget));n.timestampOffset_=0;n.pendingBuffers_=[];n.bufferUpdating_=!1;n.mediaSource_=e;n.codecs_=a;n.audioCodec_=null;n.videoCodec_=null;n.audioDisabled_=!1;n.appendAudioInitSegment_=!0;n.gopBuffer_=[];n.timeMapping_=0;n.safeAppend_=11<=Hi.browser.IE_VERSION;var r={remux:!1,alignGopsAtEnd:n.safeAppend_};n.codecs_.forEach(function(e){if(xc(e)){n.audioCodec_=e}else if(Lc(e)){n.videoCodec_=e}});n.transmuxer_=new hc;n.transmuxer_.postMessage({action:"init",options:r});n.transmuxer_.onmessage=function(e){if("data"===e.data.action){return n.data_(e)}if("done"===e.data.action){return n.done_(e)}if("gopInfo"===e.data.action){return n.appendGopInfo_(e)}if("videoSegmentTimingInfo"===e.data.action){return n.videoSegmentTimingInfo_(e.data.videoSegmentTimingInfo)}};Object.defineProperty(n,"timestampOffset",{get:function(){return this.timestampOffset_},set:function(e){if("number"==typeof e&&0<=e){this.timestampOffset_=e;this.appendAudioInitSegment_=!0;this.gopBuffer_.length=0;this.timeMapping_=0;this.transmuxer_.postMessage({action:"setTimestampOffset",timestampOffset:e})}}});Object.defineProperty(n,"appendWindowStart",{get:function(){return(this.videoBuffer_||this.audioBuffer_).appendWindowStart},set:function(e){if(this.videoBuffer_){this.videoBuffer_.appendWindowStart=e}if(this.audioBuffer_){this.audioBuffer_.appendWindowStart=e}}});Object.defineProperty(n,"updating",{get:function(){return!!(this.bufferUpdating_||!this.audioDisabled_&&this.audioBuffer_&&this.audioBuffer_.updating||this.videoBuffer_&&this.videoBuffer_.updating)}});Object.defineProperty(n,"buffered",{get:function(){return Ac(this.videoBuffer_,this.audioBuffer_,this.audioDisabled_)}});return n}Bp(t,[{key:"data_",value:function(e){var t=e.data.segment;t.data=new Uint8Array(t.data,e.data.byteOffset,e.data.byteLength);t.initSegment=new Uint8Array(t.initSegment.data,t.initSegment.byteOffset,t.initSegment.byteLength);ec(this,this.mediaSource_,t);this.pendingBuffers_.push(t)}},{key:"done_",value:function(){if("closed"===this.mediaSource_.readyState){this.pendingBuffers_.length=0;return}this.processPendingSegments_()}},{key:"videoSegmentTimingInfo_",value:function(e){var t={start:{decode:e.start.dts/Oc,presentation:e.start.pts/Oc},end:{decode:e.end.dts/Oc,presentation:e.end.pts/Oc},baseMediaDecodeTime:e.baseMediaDecodeTime/Oc};if(e.prependedContentDuration){t.prependedContentDuration=e.prependedContentDuration/Oc}this.trigger({type:"videoSegmentTimingInfo",videoSegmentTimingInfo:t})}},{key:"createRealSourceBuffers_",value:function(){var e=this,t=["audio","video"];t.forEach(function(a){if(!e[a+"Codec_"]){return}if(e[a+"Buffer_"]){return}var n=null;if(e.mediaSource_[a+"Buffer_"]){n=e.mediaSource_[a+"Buffer_"];n.updating=!1}else{var r=a+"/mp4;codecs=\""+e[a+"Codec_"]+"\"";n=Rc(e.mediaSource_.nativeMediaSource_,r);e.mediaSource_[a+"Buffer_"]=n}e[a+"Buffer_"]=n;["update","updatestart","updateend"].forEach(function(r){n.addEventListener(r,function(){if("audio"===a&&e.audioDisabled_){return}if("updateend"===r){e[a+"Buffer_"].updating=!1}var n=t.every(function(n){if("audio"===n&&e.audioDisabled_){return!0}if(a!==n&&e[n+"Buffer_"]&&e[n+"Buffer_"].updating){return!1}return!0});if(n){return e.trigger(r)}})})})}},{key:"appendBuffer",value:function(e){this.bufferUpdating_=!0;if(this.audioBuffer_&&this.audioBuffer_.buffered.length){var t=this.audioBuffer_.buffered;this.transmuxer_.postMessage({action:"setAudioAppendStart",appendStart:t.end(t.length-1)})}if(this.videoBuffer_){this.transmuxer_.postMessage({action:"alignGopsWith",gopsToAlignWith:Pc(this.gopBuffer_,this.mediaSource_.player_?this.mediaSource_.player_.currentTime():null,this.timeMapping_)})}this.transmuxer_.postMessage({action:"push",data:e.buffer,byteOffset:e.byteOffset,byteLength:e.byteLength},[e.buffer]);this.transmuxer_.postMessage({action:"flush"})}},{key:"appendGopInfo_",value:function(e){this.gopBuffer_=Dc(this.gopBuffer_,e.data.gopInfo,this.safeAppend_)}},{key:"remove",value:function(e,t){if(this.videoBuffer_){this.videoBuffer_.updating=!0;this.videoBuffer_.remove(e,t);this.gopBuffer_=wc(this.gopBuffer_,e,t,this.timeMapping_)}if(!this.audioDisabled_&&this.audioBuffer_){this.audioBuffer_.updating=!0;this.audioBuffer_.remove(e,t)}tc(e,t,this.metadataTrack_);if(this.inbandTextTracks_){for(var a in this.inbandTextTracks_){tc(e,t,this.inbandTextTracks_[a])}}}},{key:"processPendingSegments_",value:function(){var e={video:{segments:[],bytes:0},audio:{segments:[],bytes:0},captions:[],metadata:[]};if(!this.pendingBuffers_.length){this.trigger("updateend");this.bufferUpdating_=!1;return}e=this.pendingBuffers_.reduce(function(e,t){var a=t.type,n=t.data,r=t.initSegment;e[a].segments.push(n);e[a].bytes+=n.byteLength;e[a].initSegment=r;if(t.captions){e.captions=e.captions.concat(t.captions)}if(t.info){e[a].info=t.info}if(t.metadata){e.metadata=e.metadata.concat(t.metadata)}return e},e);if(!this.videoBuffer_&&!this.audioBuffer_){if(0===e.video.bytes){this.videoCodec_=null}if(0===e.audio.bytes){this.audioCodec_=null}this.createRealSourceBuffers_()}if(e.audio.info){this.mediaSource_.trigger({type:"audioinfo",info:e.audio.info})}if(e.video.info){this.mediaSource_.trigger({type:"videoinfo",info:e.video.info})}if(this.appendAudioInitSegment_){if(!this.audioDisabled_&&this.audioBuffer_){e.audio.segments.unshift(e.audio.initSegment);e.audio.bytes+=e.audio.initSegment.byteLength}this.appendAudioInitSegment_=!1}var t=!1;if(this.videoBuffer_&&e.video.bytes){e.video.segments.unshift(e.video.initSegment);e.video.bytes+=e.video.initSegment.byteLength;this.concatAndAppendSegments_(e.video,this.videoBuffer_)}else if(this.videoBuffer_&&(this.audioDisabled_||!this.audioBuffer_)){t=!0}rc(this,e.captions,e.metadata);if(!this.audioDisabled_&&this.audioBuffer_){this.concatAndAppendSegments_(e.audio,this.audioBuffer_)}this.pendingBuffers_.length=0;if(t){this.trigger("updateend")}this.bufferUpdating_=!1}},{key:"concatAndAppendSegments_",value:function(e,t){var a=0,n=void 0;if(e.bytes){n=new Uint8Array(e.bytes);e.segments.forEach(function(e){n.set(e,a);a+=e.byteLength});try{t.updating=!0;t.appendBuffer(n)}catch(e){if(this.mediaSource_.player_){this.mediaSource_.player_.error({code:-3,type:"APPEND_BUFFER_ERR",message:e.message,originalError:e})}}}}},{key:"abort",value:function(){if(this.videoBuffer_){this.videoBuffer_.abort()}if(!this.audioDisabled_&&this.audioBuffer_){this.audioBuffer_.abort()}if(this.transmuxer_){this.transmuxer_.postMessage({action:"reset"})}this.pendingBuffers_.length=0;this.bufferUpdating_=!1}},{key:"dispose",value:function(){this.trigger("dispose");this.off()}}]);return t}(Hi.EventTarget),Uc=function(a){Fp(n,a);function n(){Mp(this,n);var a=Hp(this,(n.__proto__||Object.getPrototypeOf(n)).call(this)),r=void 0;a.nativeMediaSource_=new e.MediaSource;for(r in a.nativeMediaSource_){if(!(r in n.prototype)&&"function"==typeof a.nativeMediaSource_[r]){a[r]=a.nativeMediaSource_[r].bind(a.nativeMediaSource_)}}a.duration_=NaN;Object.defineProperty(a,"duration",{get:function(){if(this.duration_===1/0){return this.duration_}return this.nativeMediaSource_.duration},set:function(e){this.duration_=e;if(e!==1/0){this.nativeMediaSource_.duration=e}}});Object.defineProperty(a,"seekable",{get:function(){if(this.duration_===1/0){return Hi.createTimeRanges([[0,this.nativeMediaSource_.duration]])}return this.nativeMediaSource_.seekable}});Object.defineProperty(a,"readyState",{get:function(){return this.nativeMediaSource_.readyState}});Object.defineProperty(a,"activeSourceBuffers",{get:function(){return this.activeSourceBuffers_}});a.sourceBuffers=[];a.activeSourceBuffers_=[];a.updateActiveSourceBuffers_=function(){a.activeSourceBuffers_.length=0;if(1===a.sourceBuffers.length){var e=a.sourceBuffers[0];e.appendAudioInitSegment_=!0;e.audioDisabled_=!e.audioCodec_;a.activeSourceBuffers_.push(e);return}for(var t=!1,n=!0,r=0,s;r<a.player_.audioTracks().length;r++){s=a.player_.audioTracks()[r];if(s.enabled&&"main"!==s.kind){t=!0;n=!1;break}}a.sourceBuffers.forEach(function(e,r){e.appendAudioInitSegment_=!0;if(e.videoCodec_&&e.audioCodec_){e.audioDisabled_=t}else if(e.videoCodec_&&!e.audioCodec_){e.audioDisabled_=!0;n=!1}else if(!e.videoCodec_&&e.audioCodec_){e.audioDisabled_=r?n:!n;if(e.audioDisabled_){return}}a.activeSourceBuffers_.push(e)})};a.onPlayerMediachange_=function(){a.sourceBuffers.forEach(function(e){e.appendAudioInitSegment_=!0})};a.onHlsReset_=function(){a.sourceBuffers.forEach(function(e){if(e.transmuxer_){e.transmuxer_.postMessage({action:"resetCaptions"})}})};a.onHlsSegmentTimeMapping_=function(e){a.sourceBuffers.forEach(function(t){return t.timeMapping_=e.mapping})};["sourceopen","sourceclose","sourceended"].forEach(function(e){this.nativeMediaSource_.addEventListener(e,this.trigger.bind(this))},a);a.on("sourceopen",function(){var e=t.querySelector("[src=\""+a.url_+"\"]");if(!e){return}a.player_=Hi(e.parentNode);if(!a.player_){return}a.player_.tech_.on("hls-reset",a.onHlsReset_);a.player_.tech_.on("hls-segment-time-mapping",a.onHlsSegmentTimeMapping_);if(a.player_.audioTracks&&a.player_.audioTracks()){a.player_.audioTracks().on("change",a.updateActiveSourceBuffers_);a.player_.audioTracks().on("addtrack",a.updateActiveSourceBuffers_);a.player_.audioTracks().on("removetrack",a.updateActiveSourceBuffers_)}a.player_.on("mediachange",a.onPlayerMediachange_)});a.on("sourceended",function(){for(var e=nc(a.duration),t=0;t<a.sourceBuffers.length;t++){var n=a.sourceBuffers[t],r=n.metadataTrack_&&n.metadataTrack_.cues;if(r&&r.length){r[r.length-1].endTime=e}}});a.on("sourceclose",function(){this.sourceBuffers.forEach(function(e){if(e.transmuxer_){e.transmuxer_.terminate()}});this.sourceBuffers.length=0;if(!this.player_){return}if(this.player_.audioTracks&&this.player_.audioTracks()){this.player_.audioTracks().off("change",this.updateActiveSourceBuffers_);this.player_.audioTracks().off("addtrack",this.updateActiveSourceBuffers_);this.player_.audioTracks().off("removetrack",this.updateActiveSourceBuffers_)}if(this.player_.el_){this.player_.off("mediachange",this.onPlayerMediachange_)}if(this.player_.tech_&&this.player_.tech_.el_){this.player_.tech_.off("hls-reset",this.onHlsReset_);this.player_.tech_.off("hls-segment-time-mapping",this.onHlsSegmentTimeMapping_)}});return a}Bp(n,[{key:"addSeekableRange_",value:function(e,t){var a;if(this.duration!==1/0){a=new Error("MediaSource.addSeekableRange() can only be invoked when the duration is Infinity");a.name="InvalidStateError";a.code=11;throw a}if(t>this.nativeMediaSource_.duration||isNaN(this.nativeMediaSource_.duration)){this.nativeMediaSource_.duration=t}}},{key:"addSourceBuffer",value:function(e){var t=void 0,a=Ic(e);if(/^(video|audio)\/mp2t$/i.test(a.type)){var n=[];if(a.parameters&&a.parameters.codecs){n=a.parameters.codecs.split(",");n=fc(n);n=n.filter(function(e){return xc(e)||Lc(e)})}if(0===n.length){n=["avc1.4d400d","mp4a.40.2"]}t=new Nc(this,n);if(0!==this.sourceBuffers.length){this.sourceBuffers[0].createRealSourceBuffers_();t.createRealSourceBuffers_();this.sourceBuffers[0].audioDisabled_=!0}}else{t=this.nativeMediaSource_.addSourceBuffer(e)}this.sourceBuffers.push(t);return t}},{key:"dispose",value:function(){this.trigger("dispose");this.off();this.sourceBuffers.forEach(function(e){if(e.dispose){e.dispose()}});this.sourceBuffers.length=0}}]);return n}(Hi.EventTarget),Mc=0;Hi.mediaSources={};var Bc=function(e,t){var a=Hi.mediaSources[e];if(a){a.trigger({type:"sourceopen",swfId:t})}else{throw new Error("Media Source not found (Video.js)")}},jc=function(){return!!e.MediaSource&&!!e.MediaSource.isTypeSupported&&e.MediaSource.isTypeSupported("video/mp4;codecs=\"avc1.4d400d,mp4a.40.2\"")},Fc=function(){this.MediaSource={open:Bc,supportsNativeMediaSources:jc};if(jc()){return new Uc}throw new Error("Cannot use create a virtual MediaSource for this video")};Fc.open=Bc;Fc.supportsNativeMediaSources=jc;var Hc={createObjectURL:function(t){var a=void 0;if(t instanceof Uc){a=e.URL.createObjectURL(t.nativeMediaSource_);t.url_=a;return a}if(!(t instanceof Uc)){a=e.URL.createObjectURL(t);t.url_=a;return a}a="blob:vjs-media-source/"+Mc;Mc++;Hi.mediaSources[a]=t;return a}};Hi.MediaSource=Fc;Hi.URL=Hc;var qc=Hi.EventTarget,Vc=Hi.mergeOptions,Wc=function(e,t){for(var a=void 0,n=Vc(e,{duration:t.duration,minimumUpdatePeriod:t.minimumUpdatePeriod}),r=0,s;r<t.playlists.length;r++){s=Xp(n,t.playlists[r]);if(s){n=s}else{a=!0}}Gp(t,function(e,t,r,i){if(e.playlists&&e.playlists.length){var s=e.playlists[0].id,o=Xp(n,e.playlists[0]);if(o){n=o;n.mediaGroups[t][r][i].playlists[0]=n.playlists[s];a=!1}}});if(a){return null}return n},zc=function(e){var t=e.byterange.offset+e.byterange.length-1;return e.uri+"-"+e.byterange.offset+"-"+t},Gc=function(e,t){var a=!!(!e.map&&!t.map),n=a||!!(e.map&&t.map&&e.map.byterange.offset===t.map.byterange.offset&&e.map.byterange.length===t.map.byterange.length);return n&&e.uri===t.uri&&e.byterange.offset===t.byterange.offset&&e.byterange.length===t.byterange.length},Kc=function(e,t){var a={};for(var n in e){var r=e[n],i=r.sidx;if(i){var s=zc(i);if(!t[s]){break}var o=t[s].sidxInfo;if(Gc(o,i)){a[s]=t[s]}}}return a},Yc=function(e,t,a,n){var r=Jl(e,{manifestUri:t,clientOffset:a}),i=Kc(r.playlists,n),s=i;Gp(r,function(e){if(e.playlists&&e.playlists.length){var t=e.playlists;s=Vc(s,Kc(t,n))}});return s},Xc=function(e,t,a,n,r){var i={uri:Up(n.handleManifestRedirects,e.resolvedUri),byterange:e.byterange,playlist:t},s=Hi.mergeOptions(i,{responseType:"arraybuffer",headers:Iu(i)});return a(s,r)},$c=function(t){Fp(a,t);function a(e,t){var n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:{},r=arguments[3];Mp(this,a);var i=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this)),s=n.withCredentials,o=s===void 0?!1:s,l=n.handleManifestRedirects,d=l===void 0?!1:l;i.hls_=t;i.withCredentials=o;i.handleManifestRedirects=d;if(!e){throw new Error("A non-empty playlist URL or playlist is required")}i.on("minimumUpdatePeriod",function(){i.refreshXml_()});i.on("mediaupdatetimeout",function(){i.refreshMedia_(i.media().id)});i.state="HAVE_NOTHING";i.loadedPlaylists_={};if("string"==typeof e){i.srcUrl=e;i.sidxMapping_={};return Hp(i)}i.setupChildLoader(r,e);return i}Bp(a,[{key:"setupChildLoader",value:function(e,t){this.masterPlaylistLoader_=e;this.childPlaylist_=t}},{key:"dispose",value:function(){this.trigger("dispose");this.stopRequest();this.loadedPlaylists_={};e.clearTimeout(this.minimumUpdatePeriodTimeout_);e.clearTimeout(this.mediaRequest_);e.clearTimeout(this.mediaUpdateTimeout);this.off()}},{key:"hasPendingRequest",value:function(){return this.request||this.mediaRequest_}},{key:"stopRequest",value:function(){if(this.request){var e=this.request;this.request=null;e.onreadystatechange=null;e.abort()}}},{key:"sidxRequestFinished_",value:function(e,t,a,n){var r=this;return function(i,s){if(!r.request){return}r.request=null;if(i){r.error={status:s.status,message:"DASH playlist request error at URL: "+e.uri,response:s.response,code:2};if(a){r.state=a}r.trigger("error");return n(t,null)}var o=new Uint8Array(s.response),l=pd.parseSidx(o.subarray(8));return n(t,l)}}},{key:"media",value:function(t){var a=this;if(!t){return this.media_}if("HAVE_NOTHING"===this.state){throw new Error("Cannot switch media playlist from "+this.state)}var n=this.state;if("string"==typeof t){if(!this.master.playlists[t]){throw new Error("Unknown playlist URI: "+t)}t=this.master.playlists[t]}var r=!this.media_||t.id!==this.media_.id;if(r&&this.loadedPlaylists_[t.id]&&this.loadedPlaylists_[t.id].endList){this.state="HAVE_METADATA";this.media_=t;if(r){this.trigger("mediachanging");this.trigger("mediachange")}return}if(!r){return}if(this.media_){this.trigger("mediachanging")}if(!t.sidx){this.mediaRequest_=e.setTimeout(this.haveMetadata.bind(this,{startingState:n,playlist:t}),0);return}var i=void 0,s=void 0;if(this.masterPlaylistLoader_){i=this.masterPlaylistLoader_.master;s=this.masterPlaylistLoader_.sidxMapping_}else{i=this.master;s=this.sidxMapping_}var o=zc(t.sidx);s[o]={sidxInfo:t.sidx};this.request=Xc(t.sidx,t,this.hls_.xhr,{handleManifestRedirects:this.handleManifestRedirects},this.sidxRequestFinished_(t,i,n,function(e,r){if(!e||!r){throw new Error("failed to request sidx")}s[o].sidx=r;a.haveMetadata({startingState:n,playlist:e.playlists[t.id]})}))}},{key:"haveMetadata",value:function(e){var t=e.startingState,a=e.playlist;this.state="HAVE_METADATA";this.loadedPlaylists_[a.id]=a;this.mediaRequest_=null;this.refreshMedia_(a.id);if("HAVE_MASTER"===t){this.trigger("loadedmetadata")}else{this.trigger("mediachange")}}},{key:"pause",value:function(){this.stopRequest();e.clearTimeout(this.mediaUpdateTimeout);e.clearTimeout(this.minimumUpdatePeriodTimeout_);if("HAVE_NOTHING"===this.state){this.started=!1}}},{key:"load",value:function(t){var a=this;e.clearTimeout(this.mediaUpdateTimeout);e.clearTimeout(this.minimumUpdatePeriodTimeout_);var n=this.media();if(t){var r=n?1e3*(n.targetDuration/2):5000;this.mediaUpdateTimeout=e.setTimeout(function(){return a.load()},r);return}if(!this.started){this.start();return}if(n&&!n.endList){this.trigger("mediaupdatetimeout")}else{this.trigger("loadedplaylist")}}},{key:"parseMasterXml",value:function(){var e=Jl(this.masterXml_,{manifestUri:this.srcUrl,clientOffset:this.clientOffset_,sidxMapping:this.sidxMapping_});e.uri=this.srcUrl;for(var t=0,a;t<e.playlists.length;t++){a="placeholder-uri-"+t;e.playlists[t].uri=a}Gp(e,function(t,a,n,r){if(t.playlists&&t.playlists.length){var i="placeholder-uri-"+a+"-"+n+"-"+r,s=$p(0,i);t.playlists[0].uri=i;t.playlists[0].id=s;e.playlists[s]=t.playlists[0];e.playlists[i]=t.playlists[0]}});Qp(e);Jp(e);return e}},{key:"start",value:function(){var t=this;this.started=!0;if(this.masterPlaylistLoader_){this.mediaRequest_=e.setTimeout(this.haveMaster_.bind(this),0);return}this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},function(e,a){if(!t.request){return}t.request=null;if(e){t.error={status:a.status,message:"DASH playlist request error at URL: "+t.srcUrl,responseText:a.responseText,code:2};if("HAVE_NOTHING"===t.state){t.started=!1}return t.trigger("error")}t.masterXml_=a.responseText;if(a.responseHeaders&&a.responseHeaders.date){t.masterLoaded_=Date.parse(a.responseHeaders.date)}else{t.masterLoaded_=Date.now()}t.srcUrl=Up(t.handleManifestRedirects,t.srcUrl,a);t.syncClientServerClock_(t.onClientServerClockSync_.bind(t))})}},{key:"syncClientServerClock_",value:function(e){var t=this,a=Zl(this.masterXml_);if(null===a){this.clientOffset_=this.masterLoaded_-Date.now();return e()}if("DIRECT"===a.method){this.clientOffset_=a.value-Date.now();return e()}this.request=this.hls_.xhr({uri:Np(this.srcUrl,a.value),method:a.method,withCredentials:this.withCredentials},function(n,r){if(!t.request){return}if(n){t.clientOffset_=t.masterLoaded_-Date.now();return e()}var i;if("HEAD"===a.method){if(!r.responseHeaders||!r.responseHeaders.date){i=t.masterLoaded_}else{i=Date.parse(r.responseHeaders.date)}}else{i=Date.parse(r.responseText)}t.clientOffset_=i-Date.now();e()})}},{key:"haveMaster_",value:function(){this.state="HAVE_MASTER";this.mediaRequest_=null;if(!this.masterPlaylistLoader_){this.master=this.parseMasterXml();this.trigger("loadedplaylist")}else if(!this.media_){this.media(this.childPlaylist_)}}},{key:"onClientServerClockSync_",value:function(){var t=this;this.haveMaster_();if(!this.hasPendingRequest()&&!this.media_){this.media(this.master.playlists[0])}if(this.master&&this.master.minimumUpdatePeriod){this.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},this.master.minimumUpdatePeriod)}}},{key:"refreshXml_",value:function(){var t=this;this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},function(a,n){if(!t.request){return}t.request=null;if(a){t.error={status:n.status,message:"DASH playlist request error at URL: "+t.srcUrl,responseText:n.responseText,code:2};if("HAVE_NOTHING"===t.state){t.started=!1}return t.trigger("error")}t.masterXml_=n.responseText;t.sidxMapping_=Yc(t.masterXml_,t.srcUrl,t.clientOffset_,t.sidxMapping_);var r=t.parseMasterXml(),i=Wc(t.master,r),s=t.media().sidx;if(i){if(s){var o=zc(s);if(!t.sidxMapping_[o]){var l=t.media();t.request=Xc(l.sidx,l,t.hls_.xhr,{handleManifestRedirects:t.handleManifestRedirects},t.sidxRequestFinished_(l,r,t.state,function(a,n){if(!a||!n){throw new Error("failed to request sidx on minimumUpdatePeriod")}t.sidxMapping_[o].sidx=n;t.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},t.master.minimumUpdatePeriod);t.refreshMedia_(t.media().id)}))}}else{t.master=i}}t.minimumUpdatePeriodTimeout_=e.setTimeout(function(){t.trigger("minimumUpdatePeriod")},t.master.minimumUpdatePeriod)})}},{key:"refreshMedia_",value:function(t){var a=this;if(!t){throw new Error("refreshMedia_ must take a media id")}var n=void 0,r=void 0;if(this.masterPlaylistLoader_){n=this.masterPlaylistLoader_.master;r=this.masterPlaylistLoader_.parseMasterXml()}else{n=this.master;r=this.parseMasterXml()}var i=Wc(n,r);if(i){if(this.masterPlaylistLoader_){this.masterPlaylistLoader_.master=i}else{this.master=i}this.media_=i.playlists[t]}else{this.media_=r.playlists[t];this.trigger("playlistunchanged")}if(!this.media().endList){this.mediaUpdateTimeout=e.setTimeout(function(){a.trigger("mediaupdatetimeout")},Zp(this.media(),!!i))}this.trigger("loadedplaylist")}}]);return a}(qc),Qc=function(e){if(Hi.log.debug){return Hi.log.debug.bind(Hi,"VHS:",e+" >")}return function(){}};function Jc(){}var Zc=function(){function e(t,a,n,r){Mp(this,e);this.callbacks_=[];this.pendingCallback_=null;this.timestampOffset_=0;this.mediaSource=t;this.processedAppend_=!1;this.type_=n;this.mimeType_=a;this.logger_=Qc("SourceUpdater["+n+"]["+a+"]");if("closed"===t.readyState){t.addEventListener("sourceopen",this.createSourceBuffer_.bind(this,a,r))}else{this.createSourceBuffer_(a,r)}}Bp(e,[{key:"createSourceBuffer_",value:function(e,t){var a=this;this.sourceBuffer_=this.mediaSource.addSourceBuffer(e);this.logger_("created SourceBuffer");if(t){t.trigger("sourcebufferadded");if(2>this.mediaSource.sourceBuffers.length){t.on("sourcebufferadded",function(){a.start_()});return}}this.start_()}},{key:"start_",value:function(){var e=this;this.started_=!0;this.onUpdateendCallback_=function(){var t=e.pendingCallback_;e.pendingCallback_=null;e.sourceBuffer_.removing=!1;e.logger_("buffered ["+Qu(e.buffered())+"]");if(t){t()}e.runCallback_()};this.sourceBuffer_.addEventListener("updateend",this.onUpdateendCallback_);this.runCallback_()}},{key:"abort",value:function(e){var t=this;if(this.processedAppend_){this.queueCallback_(function(){t.sourceBuffer_.abort()},e)}}},{key:"appendBuffer",value:function(e,t){var a=this;this.processedAppend_=!0;this.queueCallback_(function(){if(e.videoSegmentTimingInfoCallback){a.sourceBuffer_.addEventListener("videoSegmentTimingInfo",e.videoSegmentTimingInfoCallback)}a.sourceBuffer_.appendBuffer(e.bytes)},function(){if(e.videoSegmentTimingInfoCallback){a.sourceBuffer_.removeEventListener("videoSegmentTimingInfo",e.videoSegmentTimingInfoCallback)}t()})}},{key:"buffered",value:function(){if(!this.sourceBuffer_){return Hi.createTimeRanges()}return this.sourceBuffer_.buffered}},{key:"remove",value:function(e,t){var a=this,n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:Jc;if(this.processedAppend_){this.queueCallback_(function(){a.logger_("remove ["+e+" => "+t+"]");a.sourceBuffer_.removing=!0;a.sourceBuffer_.remove(e,t)},n)}}},{key:"updating",value:function(){return!this.sourceBuffer_||this.sourceBuffer_.updating||!!this.pendingCallback_&&this.pendingCallback_!==Jc}},{key:"timestampOffset",value:function(e){var t=this;if("undefined"!=typeof e){this.queueCallback_(function(){t.sourceBuffer_.timestampOffset=e;t.runCallback_()});this.timestampOffset_=e}return this.timestampOffset_}},{key:"queueCallback_",value:function(e,t){this.callbacks_.push([e.bind(this),t]);this.runCallback_()}},{key:"runCallback_",value:function(){var e;if(!this.updating()&&this.callbacks_.length&&this.started_){e=this.callbacks_.shift();this.pendingCallback_=e[1];e[0]()}}},{key:"dispose",value:function(){var e=this,t=function t(){if(e.sourceBuffer_&&"open"===e.mediaSource.readyState){e.sourceBuffer_.abort()}e.sourceBuffer_.removeEventListener("updateend",t)};this.sourceBuffer_.removeEventListener("updateend",this.onUpdateendCallback_);if(this.sourceBuffer_.removing){this.sourceBuffer_.addEventListener("updateend",t)}else{t()}}}]);return e}(),em={GOAL_BUFFER_LENGTH:30,MAX_GOAL_BUFFER_LENGTH:60,GOAL_BUFFER_LENGTH_RATE:1,INITIAL_BANDWIDTH:4194304,BANDWIDTH_VARIANCE:1.2,BUFFER_LOW_WATER_LINE:0,MAX_BUFFER_LOW_WATER_LINE:30,BUFFER_LOW_WATER_LINE_RATE:1},tm={FAILURE:2,TIMEOUT:-101,ABORTED:-102},am=function(e){e.forEach(function(e){e.abort()})},nm=function(e){return{bandwidth:e.bandwidth,bytesReceived:e.bytesReceived||0,roundTripTime:e.roundTripTime||0}},rm=function(e){var t=e.target,a=Date.now()-t.requestTime,n={bandwidth:1/0,bytesReceived:0,roundTripTime:a||0};n.bytesReceived=e.loaded;n.bandwidth=Math.floor(1e3*(8*(n.bytesReceived/n.roundTripTime)));return n},im=function(e,t){if(t.timedout){return{status:t.status,message:"HLS request timed-out at URL: "+t.uri,code:tm.TIMEOUT,xhr:t}}if(t.aborted){return{status:t.status,message:"HLS request aborted at URL: "+t.uri,code:tm.ABORTED,xhr:t}}if(e){return{status:t.status,message:"HLS request errored at URL: "+t.uri,code:tm.FAILURE,xhr:t}}return null},sm=function(e,t){return function(a,n){var r=n.response,i=im(a,n);if(i){return t(i,e)}if(16!==r.byteLength){return t({status:n.status,message:"Invalid HLS key at URL: "+n.uri,code:tm.FAILURE,xhr:n},e)}var s=new DataView(r);e.key.bytes=new Uint32Array([s.getUint32(0),s.getUint32(4),s.getUint32(8),s.getUint32(12)]);return t(null,e)}},om=function(e,t,a){return function(n,r){var i=r.response,s=im(n,r);if(s){return a(s,e)}if(0===i.byteLength){return a({status:r.status,message:"Empty HLS segment content at URL: "+r.uri,code:tm.FAILURE,xhr:r},e)}e.map.bytes=new Uint8Array(r.response);if(t&&!t.isInitialized()){t.init()}e.map.timescales=fd.timescale(e.map.bytes);e.map.videoTrackIds=fd.videoTrackIds(e.map.bytes);return a(null,e)}},lm=function(e,t,a){return function(n,r){var i=r.response,s=im(n,r),o=void 0;if(s){return a(s,e)}if(0===i.byteLength){return a({status:r.status,message:"Empty HLS segment content at URL: "+r.uri,code:tm.FAILURE,xhr:r},e)}e.stats=nm(r);if(e.key){e.encryptedBytes=new Uint8Array(r.response)}else{e.bytes=new Uint8Array(r.response)}if(t&&e.map&&e.map.bytes){if(!t.isInitialized()){t.init()}o=t.parse(e.bytes,e.map.videoTrackIds,e.map.timescales);if(o&&o.captions){e.captionStreams=o.captionStreams;e.fmp4Captions=o.captions}}return a(null,e)}},dm=function(e,t,a){e.addEventListener("message",function r(n){if(n.data.source===t.requestId){e.removeEventListener("message",r);var i=n.data.decrypted;t.bytes=new Uint8Array(i.bytes,i.byteOffset,i.byteLength);return a(null,t)}});var n;if(t.key.bytes.slice){n=t.key.bytes.slice()}else{n=new Uint32Array(Array.prototype.slice.call(t.key.bytes))}e.postMessage(Du({source:t.requestId,encrypted:t.encryptedBytes,key:n,iv:t.key.iv}),[t.encryptedBytes.buffer,n.buffer])},pm=function(e,t,a){var n=0,r=!1;return function(i,s){if(r){return}if(i){r=!0;am(e);return a(i,s)}n+=1;if(n===e.length){s.endOfAllRequests=Date.now();if(s.encryptedBytes){return dm(t,s,a)}return a(null,s)}}},um=function(e,t){return function(a){e.stats=Hi.mergeOptions(e.stats,rm(a));if(!e.stats.firstBytesReceivedAt&&e.stats.bytesReceived){e.stats.firstBytesReceivedAt=Date.now()}return t(a,e)}},cm=function(e,t,a,n,r,i,s){var o=[],l=pm(o,a,s);if(r.key&&!r.key.bytes){var d=Hi.mergeOptions(t,{uri:r.key.resolvedUri,responseType:"arraybuffer"}),p=sm(r,l),u=e(d,p);o.push(u)}if(r.map&&!r.map.bytes){var c=Hi.mergeOptions(t,{uri:r.map.resolvedUri,responseType:"arraybuffer",headers:Iu(r.map)}),m=om(r,n,l),g=e(c,m);o.push(g)}var y=Hi.mergeOptions(t,{uri:r.resolvedUri,responseType:"arraybuffer",headers:Iu(r)}),h=lm(r,n,l),_=e(y,h);_.addEventListener("progress",um(r,i));o.push(_);return function(){return am(o)}},mm=function(t,a){var n;if(!t){return""}n=e.getComputedStyle(t);if(!n){return""}return n[a]},gm=function(e,t){var a=e.slice();e.sort(function(e,n){var r=t(e,n);if(0===r){return a.indexOf(e)-a.indexOf(n)}return r})},ym=function(t,a){var n=void 0,r=void 0;if(t.attributes.BANDWIDTH){n=t.attributes.BANDWIDTH}n=n||e.Number.MAX_VALUE;if(a.attributes.BANDWIDTH){r=a.attributes.BANDWIDTH}r=r||e.Number.MAX_VALUE;return n-r},hm=function(t,a){var n=void 0,r=void 0;if(t.attributes.RESOLUTION&&t.attributes.RESOLUTION.width){n=t.attributes.RESOLUTION.width}n=n||e.Number.MAX_VALUE;if(a.attributes.RESOLUTION&&a.attributes.RESOLUTION.width){r=a.attributes.RESOLUTION.width}r=r||e.Number.MAX_VALUE;if(n===r&&t.attributes.BANDWIDTH&&a.attributes.BANDWIDTH){return t.attributes.BANDWIDTH-a.attributes.BANDWIDTH}return n-r},_m=function(t,a,n,r,i){var s=t.playlists.map(function(t){var a=void 0,n=void 0,r=void 0;a=t.attributes.RESOLUTION&&t.attributes.RESOLUTION.width;n=t.attributes.RESOLUTION&&t.attributes.RESOLUTION.height;r=t.attributes.BANDWIDTH;r=r||e.Number.MAX_VALUE;return{bandwidth:r,width:a,height:n,playlist:t}});gm(s,function(e,t){return e.bandwidth-t.bandwidth});s=s.filter(function(e){return!vu.isIncompatible(e.playlist)});var o=s.filter(function(e){return vu.isEnabled(e.playlist)});if(!o.length){o=s.filter(function(e){return!vu.isDisabled(e.playlist)})}var l=o.filter(function(e){return e.bandwidth*em.BANDWIDTH_VARIANCE<a}),d=l[l.length-1],p=l.filter(function(e){return e.bandwidth===d.bandwidth})[0];if(!1===i){var u=p||o[0]||s[0];return u?u.playlist:null}var c=l.filter(function(e){return e.width&&e.height});gm(c,function(e,t){return e.width-t.width});var m=c.filter(function(e){return e.width===n&&e.height===r});d=m[m.length-1];var g=m.filter(function(e){return e.bandwidth===d.bandwidth})[0],y=void 0,h=void 0,_=void 0;if(!g){y=c.filter(function(e){return e.width>n||e.height>r});h=y.filter(function(e){return e.width===y[0].width&&e.height===y[0].height});d=h[h.length-1];_=h.filter(function(e){return e.bandwidth===d.bandwidth})[0]}var f=_||g||p||o[0]||s[0];return f?f.playlist:null},fm=function(e){var t=e.master,a=e.currentTime,n=e.bandwidth,r=e.duration,i=e.segmentDuration,s=e.timeUntilRebuffer,o=e.currentTimeline,l=e.syncController,d=t.playlists.filter(function(e){return!vu.isIncompatible(e)}),p=d.filter(vu.isEnabled);if(!p.length){p=d.filter(function(e){return!vu.isDisabled(e)})}var u=p.filter(vu.hasAttribute.bind(null,"BANDWIDTH")),c=u.map(function(e){var t=l.getSyncPoint(e,r,o,a),d=t?1:2,p=vu.estimateSegmentRequestTime(i,n,e);return{playlist:e,rebufferingImpact:p*d-s}}),m=c.filter(function(e){return 0>=e.rebufferingImpact});gm(m,function(e,t){return ym(t.playlist,e.playlist)});if(m.length){return m[0]}gm(c,function(e,t){return e.rebufferingImpact-t.rebufferingImpact});return c[0]||null},Tm=function(e,t,a){for(var n in a){if(!e[n]){t.trigger({type:"usage",name:"hls-608"});var r=t.textTracks().getTrackById(n);if(r){e[n]=r}else{e[n]=t.addRemoteTextTrack({kind:"captions",id:n,label:n},!1).track}}}},bm=function(e){var t=e.inbandTextTracks,a=e.captionArray,n=e.timestampOffset;if(!a){return}var r=window.WebKitDataCue||window.VTTCue;a.forEach(function(e){var a=e.stream,i=e.startTime,s=e.endTime;if(!t[a]){return}i+=n;s+=n;t[a].addCue(new r(i,s,e.text))})},vm=function(e,t,a){if(!e||!t){return!1}var n=e.segments,r=a===n.length;return e.endList&&"open"===t.readyState&&r},Sm=function(e){return"number"==typeof e&&isFinite(e)},km=function(e,t,a){if("main"!==e||!t||!a){return null}if(!a.containsAudio&&!a.containsVideo){return"Neither audio nor video found in segment."}if(t.containsVideo&&!a.containsVideo){return"Only audio found in segment when we expected video. We can't switch to audio only from a stream that had video. To get rid of this message, please add codec information to the manifest."}if(!t.containsVideo&&a.containsVideo){return"Video found in segment when we expected only audio. We can't switch to a stream with video from an audio only stream. To get rid of this message, please add codec information to the manifest."}return null},Cm=function(e,t,a){var n=t-30;if(e.length){n=Math.max(n,e.start(0))}return Math.min(t-a,n)},Em=function(e){var t=e.segment,a=t.start,n=t.end,r=e.playlist,i=r.mediaSequence,s=r.id,o=r.segments,l=o===void 0?[]:o,d=e.mediaIndex,p=e.timeline;return["appending ["+d+"] of ["+i+", "+(i+l.length)+"] from playlist ["+s+"]","["+a+" => "+n+"] in timeline ["+p+"]"].join(" ")},Im=function(t){Fp(a,t);function a(e){Mp(this,a);var t=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this));if(!e){throw new TypeError("Initialization settings are required")}if("function"!=typeof e.currentTime){throw new TypeError("No currentTime getter specified")}if(!e.mediaSource){throw new TypeError("No MediaSource specified")}t.bandwidth=e.bandwidth;t.throughput={rate:0,count:0};t.roundTrip=NaN;t.resetStats_();t.mediaIndex=null;t.hasPlayed_=e.hasPlayed;t.currentTime_=e.currentTime;t.seekable_=e.seekable;t.seeking_=e.seeking;t.duration_=e.duration;t.mediaSource_=e.mediaSource;t.hls_=e.hls;t.loaderType_=e.loaderType;t.startingMedia_=void 0;t.segmentMetadataTrack_=e.segmentMetadataTrack;t.goalBufferLength_=e.goalBufferLength;t.sourceType_=e.sourceType;t.inbandTextTracks_=e.inbandTextTracks;t.state_="INIT";t.checkBufferTimeout_=null;t.error_=void 0;t.currentTimeline_=-1;t.pendingSegment_=null;t.mimeType_=null;t.sourceUpdater_=null;t.xhrOptions_=null;t.activeInitSegmentId_=null;t.initSegments_={};t.cacheEncryptionKeys_=e.cacheEncryptionKeys;t.keyCache_={};if("main"===t.loaderType_){t.captionParser_=new Fd}else{t.captionParser_=null}t.decrypter_=e.decrypter;t.syncController_=e.syncController;t.syncPoint_={segmentIndex:0,time:0};t.triggerSyncInfoUpdate_=function(){return t.trigger("syncinfoupdate")};t.syncController_.on("syncinfoupdate",t.triggerSyncInfoUpdate_);t.mediaSource_.addEventListener("sourceopen",function(){return t.ended_=!1});t.fetchAtBuffer_=!1;t.logger_=Qc("SegmentLoader["+t.loaderType_+"]");Object.defineProperty(t,"state",{get:function(){return this.state_},set:function(e){if(e!==this.state_){this.logger_(this.state_+" -> "+e);this.state_=e}}});return t}Bp(a,[{key:"resetStats_",value:function(){this.mediaBytesTransferred=0;this.mediaRequests=0;this.mediaRequestsAborted=0;this.mediaRequestsTimedout=0;this.mediaRequestsErrored=0;this.mediaTransferDuration=0;this.mediaSecondsLoaded=0}},{key:"dispose",value:function(){this.trigger("dispose");this.state="DISPOSED";this.pause();this.abort_();if(this.sourceUpdater_){this.sourceUpdater_.dispose()}this.resetStats_();if(this.captionParser_){this.captionParser_.reset()}if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}if(this.syncController_&&this.triggerSyncInfoUpdate_){this.syncController_.off("syncinfoupdate",this.triggerSyncInfoUpdate_)}this.off()}},{key:"abort",value:function(){if("WAITING"!==this.state){if(this.pendingSegment_){this.pendingSegment_=null}return}this.abort_();this.state="READY";if(!this.paused()){this.monitorBuffer_()}}},{key:"abort_",value:function(){if(this.pendingSegment_){this.pendingSegment_.abortRequests()}this.pendingSegment_=null}},{key:"error",value:function(e){if("undefined"!=typeof e){this.error_=e}this.pendingSegment_=null;return this.error_}},{key:"endOfStream",value:function(){this.ended_=!0;this.pause();this.trigger("ended")}},{key:"buffered_",value:function(){if(!this.sourceUpdater_){return Hi.createTimeRanges()}return this.sourceUpdater_.buffered()}},{key:"initSegment",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=wu(e),n=this.initSegments_[a];if(t&&!n&&e.bytes){this.initSegments_[a]=n={resolvedUri:e.resolvedUri,byterange:e.byterange,bytes:e.bytes,timescales:e.timescales,videoTrackIds:e.videoTrackIds}}return n||e}},{key:"segmentKey",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=Au(e),n=this.keyCache_[a];if(this.cacheEncryptionKeys_&&t&&!n&&e.bytes){this.keyCache_[a]=n={resolvedUri:e.resolvedUri,bytes:e.bytes}}var r={resolvedUri:(n||e).resolvedUri};if(n){r.bytes=n.bytes}return r}},{key:"couldBeginLoading_",value:function(){return this.playlist_&&(this.sourceUpdater_||this.mimeType_&&"INIT"===this.state)&&!this.paused()}},{key:"load",value:function(){this.monitorBuffer_();if(!this.playlist_){return}this.syncController_.setDateTimeMapping(this.playlist_);if("INIT"===this.state&&this.couldBeginLoading_()){return this.init_()}if(!this.couldBeginLoading_()||"READY"!==this.state&&"INIT"!==this.state){return}this.state="READY"}},{key:"init_",value:function(){this.state="READY";this.sourceUpdater_=new Zc(this.mediaSource_,this.mimeType_,this.loaderType_,this.sourceBufferEmitter_);this.resetEverything();return this.monitorBuffer_()}},{key:"playlist",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{};if(!e){return}var a=this.playlist_,n=this.pendingSegment_;this.playlist_=e;this.xhrOptions_=t;if("INIT"===this.state){e.syncInfo={mediaSequence:e.mediaSequence,time:0}}var r=null;if(a){if(a.id){r=a.id}else if(a.uri){r=a.uri}}this.logger_("playlist update ["+r+" => "+(e.id||e.uri)+"]");this.trigger("syncinfoupdate");if("INIT"===this.state&&this.couldBeginLoading_()){return this.init_()}if(!a||a.uri!==e.uri){if(null!==this.mediaIndex){this.resyncLoader()}return}var i=e.mediaSequence-a.mediaSequence;this.logger_("live window shift ["+i+"]");if(null!==this.mediaIndex){this.mediaIndex-=i}if(n){n.mediaIndex-=i;if(0<=n.mediaIndex){n.segment=e.segments[n.mediaIndex]}}this.syncController_.saveExpiredSegmentInfo(a,e)}},{key:"pause",value:function(){if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_);this.checkBufferTimeout_=null}}},{key:"paused",value:function(){return null===this.checkBufferTimeout_}},{key:"mimeType",value:function(e,t){if(this.mimeType_){return}this.mimeType_=e;this.sourceBufferEmitter_=t;if("INIT"===this.state&&this.couldBeginLoading_()){this.init_()}}},{key:"resetEverything",value:function(e){this.ended_=!1;this.resetLoader();this.remove(0,1/0,e);if(this.captionParser_){this.captionParser_.clearAllCaptions()}this.trigger("reseteverything")}},{key:"resetLoader",value:function(){this.fetchAtBuffer_=!1;this.resyncLoader()}},{key:"resyncLoader",value:function(){this.mediaIndex=null;this.syncPoint_=null;this.abort()}},{key:"remove",value:function(e,t,a){if(t===1/0){t=this.duration_()}if(this.sourceUpdater_){this.sourceUpdater_.remove(e,t,a)}tc(e,t,this.segmentMetadataTrack_);if(this.inbandTextTracks_){for(var n in this.inbandTextTracks_){tc(e,t,this.inbandTextTracks_[n])}}}},{key:"monitorBuffer_",value:function(){if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}this.checkBufferTimeout_=e.setTimeout(this.monitorBufferTick_.bind(this),1)}},{key:"monitorBufferTick_",value:function(){if("READY"===this.state){this.fillBuffer_()}if(this.checkBufferTimeout_){e.clearTimeout(this.checkBufferTimeout_)}this.checkBufferTimeout_=e.setTimeout(this.monitorBufferTick_.bind(this),500)}},{key:"fillBuffer_",value:function(){if(this.sourceUpdater_.updating()){return}if(!this.syncPoint_){this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_())}var e=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);if(!e){return}if(this.isEndOfStream_(e.mediaIndex)){this.endOfStream();return}if(e.mediaIndex===this.playlist_.segments.length-1&&"ended"===this.mediaSource_.readyState&&!this.seeking_()){return}if(e.timeline!==this.currentTimeline_){this.syncController_.reset();e.timestampOffset=e.startOfSegment;if(this.captionParser_){this.captionParser_.clearAllCaptions()}}this.loadSegment_(e)}},{key:"isEndOfStream_",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:this.playlist_;return vm(t,this.mediaSource_,e)&&!this.sourceUpdater_.updating()}},{key:"checkBuffer_",value:function(e,t,a,n,r,i){var s=0,o=void 0;if(e.length){s=e.end(e.length-1)}var l=Math.max(0,s-r);if(!t.segments.length){return null}if(l>=this.goalBufferLength_()){return null}if(!n&&1<=l){return null}if(null===i){a=this.getSyncSegmentCandidate_(t);return this.generateSegmentInfo_(t,a,null,!0)}if(null!==a){t.segments[a];o=s;return this.generateSegmentInfo_(t,a+1,o,!1)}if(this.fetchAtBuffer_){var d=vu.getMediaInfoForTime(t,s,i.segmentIndex,i.time);a=d.mediaIndex;o=d.startTime}else{var p=vu.getMediaInfoForTime(t,r,i.segmentIndex,i.time);a=p.mediaIndex;o=p.startTime}return this.generateSegmentInfo_(t,a,o,!1)}},{key:"getSyncSegmentCandidate_",value:function(e){var t=this;if(-1===this.currentTimeline_){return 0}var a=e.segments.map(function(e,t){return{timeline:e.timeline,segmentIndex:t}}).filter(function(e){return e.timeline===t.currentTimeline_});if(a.length){return a[Math.min(a.length-1,1)].segmentIndex}return Math.max(e.segments.length-1,0)}},{key:"generateSegmentInfo_",value:function(e,t,a,n){if(0>t||t>=e.segments.length){return null}var r=e.segments[t];return{requestId:"segment-loader-"+Math.random(),uri:r.resolvedUri,mediaIndex:t,isSyncRequest:n,startOfSegment:a,playlist:e,bytes:null,encryptedBytes:null,timestampOffset:null,timeline:r.timeline,duration:r.duration,segment:r}}},{key:"abortRequestEarly_",value:function(e){if(this.hls_.tech_.paused()||!this.xhrOptions_.timeout||!this.playlist_.attributes.BANDWIDTH){return!1}if(1e3>Date.now()-(e.firstBytesReceivedAt||Date.now())){return!1}var t=this.currentTime_(),a=e.bandwidth,n=this.pendingSegment_.duration,r=vu.estimateSegmentRequestTime(n,a,this.playlist_,e.bytesReceived),i=Ju(this.buffered_(),t,this.hls_.tech_.playbackRate())-1;if(r<=i){return!1}var s=fm({master:this.hls_.playlists.master,currentTime:t,bandwidth:a,duration:this.duration_(),segmentDuration:n,timeUntilRebuffer:i,currentTimeline:this.currentTimeline_,syncController:this.syncController_});if(!s){return}var o=r-i-s.rebufferingImpact,l=.5;if(i<=zu){l=1}if(!s.playlist||s.playlist.uri===this.playlist_.uri||o<l){return!1}this.bandwidth=s.playlist.attributes.BANDWIDTH*em.BANDWIDTH_VARIANCE+1;this.abort();this.trigger("earlyabort");return!0}},{key:"handleProgress_",value:function(e,t){if(!this.pendingSegment_||t.requestId!==this.pendingSegment_.requestId||this.abortRequestEarly_(t.stats)){return}this.trigger("progress")}},{key:"loadSegment_",value:function(e){this.state="WAITING";this.pendingSegment_=e;this.trimBackBuffer_(e);e.abortRequests=cm(this.hls_.xhr,this.xhrOptions_,this.decrypter_,this.captionParser_,this.createSimplifiedSegmentObj_(e),this.handleProgress_.bind(this),this.segmentRequestFinished_.bind(this))}},{key:"trimBackBuffer_",value:function(){var e=Cm(this.seekable_(),this.currentTime_(),this.playlist_.targetDuration||10);if(0<e){this.remove(0,e)}}},{key:"createSimplifiedSegmentObj_",value:function(e){var t=e.segment,a={resolvedUri:t.resolvedUri,byterange:t.byterange,requestId:e.requestId};if(t.key){var n=t.key.iv||new Uint32Array([0,0,0,e.mediaIndex+e.playlist.mediaSequence]);a.key=this.segmentKey(t.key);a.key.iv=n}if(t.map){a.map=this.initSegment(t.map)}return a}},{key:"segmentRequestFinished_",value:function(e,t){this.mediaRequests+=1;if(t.stats){this.mediaBytesTransferred+=t.stats.bytesReceived;this.mediaTransferDuration+=t.stats.roundTripTime}if(!this.pendingSegment_){this.mediaRequestsAborted+=1;return}if(t.requestId!==this.pendingSegment_.requestId){return}if(e){this.pendingSegment_=null;this.state="READY";if(e.code===tm.ABORTED){this.mediaRequestsAborted+=1;return}this.pause();if(e.code===tm.TIMEOUT){this.mediaRequestsTimedout+=1;this.bandwidth=1;this.roundTrip=NaN;this.trigger("bandwidthupdate");return}this.mediaRequestsErrored+=1;this.error(e);this.trigger("error");return}this.bandwidth=t.stats.bandwidth;this.roundTrip=t.stats.roundTripTime;if(t.map){t.map=this.initSegment(t.map,!0)}if(t.key){this.segmentKey(t.key,!0)}this.processSegmentResponse_(t)}},{key:"processSegmentResponse_",value:function(e){var t=this.pendingSegment_;t.bytes=e.bytes;if(e.map){t.segment.map.bytes=e.map.bytes}t.endOfAllRequests=e.endOfAllRequests;if(e.fmp4Captions){Tm(this.inbandTextTracks_,this.hls_.tech_,e.captionStreams);bm({inbandTextTracks:this.inbandTextTracks_,captionArray:e.fmp4Captions,timestampOffset:0});if(this.captionParser_){this.captionParser_.clearParsedCaptions()}}this.handleSegment_()}},{key:"handleSegment_",value:function(){var e=this;if(!this.pendingSegment_){this.state="READY";return}var t=this.pendingSegment_,a=t.segment,n=this.syncController_.probeSegmentInfo(t);if("undefined"==typeof this.startingMedia_&&n&&(n.containsAudio||n.containsVideo)){this.startingMedia_={containsAudio:n.containsAudio,containsVideo:n.containsVideo}}var r=km(this.loaderType_,this.startingMedia_,n);if(r){this.error({message:r,blacklistDuration:1/0});this.trigger("error");return}if(t.isSyncRequest){this.trigger("syncinfoupdate");this.pendingSegment_=null;this.state="READY";return}if(null!==t.timestampOffset&&t.timestampOffset!==this.sourceUpdater_.timestampOffset()){if(n&&n.segmentTimestampInfo){var i=n.segmentTimestampInfo[0].ptsTime,s=n.segmentTimestampInfo[0].dtsTime;t.timestampOffset-=i-s}this.sourceUpdater_.timestampOffset(t.timestampOffset);this.trigger("timestampoffset")}var o=this.syncController_.mappingForTimeline(t.timeline);if(null!==o){this.trigger({type:"segmenttimemapping",mapping:o})}this.state="APPENDING";if(a.map){var l=wu(a.map);if(!this.activeInitSegmentId_||this.activeInitSegmentId_!==l){var d=this.initSegment(a.map);this.sourceUpdater_.appendBuffer({bytes:d.bytes},function(){e.activeInitSegmentId_=l})}}t.byteLength=t.bytes.byteLength;if("number"==typeof a.start&&"number"==typeof a.end){this.mediaSecondsLoaded+=a.end-a.start}else{this.mediaSecondsLoaded+=a.duration}this.logger_(Em(t));this.sourceUpdater_.appendBuffer({bytes:t.bytes,videoSegmentTimingInfoCallback:this.handleVideoSegmentTimingInfo_.bind(this,t.requestId)},this.handleUpdateEnd_.bind(this))}},{key:"handleVideoSegmentTimingInfo_",value:function(e,t){if(!this.pendingSegment_||e!==this.pendingSegment_.requestId){return}var a=this.pendingSegment_.segment;if(!a.videoTimingInfo){a.videoTimingInfo={}}a.videoTimingInfo.transmuxerPrependedSeconds=t.videoSegmentTimingInfo.prependedContentDuration||0;a.videoTimingInfo.transmuxedPresentationStart=t.videoSegmentTimingInfo.start.presentation;a.videoTimingInfo.transmuxedPresentationEnd=t.videoSegmentTimingInfo.end.presentation;a.videoTimingInfo.baseMediaDecodeTime=t.videoSegmentTimingInfo.baseMediaDecodeTime}},{key:"handleUpdateEnd_",value:function(){if(!this.pendingSegment_){this.state="READY";if(!this.paused()){this.monitorBuffer_()}return}var e=this.pendingSegment_,t=e.segment,a=null!==this.mediaIndex;this.pendingSegment_=null;this.recordThroughput_(e);this.addSegmentMetadataCue_(e);this.state="READY";this.mediaIndex=e.mediaIndex;this.fetchAtBuffer_=!0;this.currentTimeline_=e.timeline;this.trigger("syncinfoupdate");if(t.end&&this.currentTime_()-t.end>3*e.playlist.targetDuration){this.resetEverything();return}if(a){this.trigger("bandwidthupdate")}this.trigger("progress");if(this.isEndOfStream_(e.mediaIndex+1,e.playlist)){this.endOfStream()}if(!this.paused()){this.monitorBuffer_()}}},{key:"recordThroughput_",value:function(e){var t=this.throughput.rate,a=Date.now()-e.endOfAllRequests+1,n=Math.floor(1e3*(8*(e.byteLength/a)));this.throughput.rate+=(n-t)/++this.throughput.count}},{key:"addSegmentMetadataCue_",value:function(t){if(!this.segmentMetadataTrack_){return}var a=t.segment,n=a.start,r=a.end;if(!Sm(n)||!Sm(r)){return}tc(n,r,this.segmentMetadataTrack_);var i=e.WebKitDataCue||e.VTTCue,s={custom:a.custom,dateTimeObject:a.dateTimeObject,dateTimeString:a.dateTimeString,bandwidth:t.playlist.attributes.BANDWIDTH,resolution:t.playlist.attributes.RESOLUTION,codecs:t.playlist.attributes.CODECS,byteLength:t.byteLength,uri:t.uri,timeline:t.timeline,playlist:t.playlist.id,start:n,end:r},o=JSON.stringify(s),l=new i(n,r,o);l.value=s;this.segmentMetadataTrack_.addCue(l)}}]);return a}(Hi.EventTarget),xm=function(e){return decodeURIComponent(escape(String.fromCharCode.apply(null,e)))},Lm=new Uint8Array(["\n","\n"].map(function(e){return e.charCodeAt(0)})),Pm=function(t){Fp(a,t);function a(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{};Mp(this,a);var n=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this,e,t));n.mediaSource_=null;n.subtitlesTrack_=null;n.featuresNativeTextTracks_=e.featuresNativeTextTracks;return n}Bp(a,[{key:"buffered_",value:function(){if(!this.subtitlesTrack_||!this.subtitlesTrack_.cues.length){return Hi.createTimeRanges()}var e=this.subtitlesTrack_.cues,t=e[0].startTime,a=e[e.length-1].startTime;return Hi.createTimeRanges([[t,a]])}},{key:"initSegment",value:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:!1;if(!e){return null}var a=wu(e),n=this.initSegments_[a];if(t&&!n&&e.bytes){var r=Lm.byteLength+e.bytes.byteLength,i=new Uint8Array(r);i.set(e.bytes);i.set(Lm,e.bytes.byteLength);this.initSegments_[a]=n={resolvedUri:e.resolvedUri,byterange:e.byterange,bytes:i}}return n||e}},{key:"couldBeginLoading_",value:function(){return this.playlist_&&this.subtitlesTrack_&&!this.paused()}},{key:"init_",value:function(){this.state="READY";this.resetEverything();return this.monitorBuffer_()}},{key:"track",value:function(e){if("undefined"==typeof e){return this.subtitlesTrack_}this.subtitlesTrack_=e;if("INIT"===this.state&&this.couldBeginLoading_()){this.init_()}return this.subtitlesTrack_}},{key:"remove",value:function(e,t){tc(e,t,this.subtitlesTrack_)}},{key:"fillBuffer_",value:function(){var e=this;if(!this.syncPoint_){this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_())}var t=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);t=this.skipEmptySegments_(t);if(!t){return}if(null===this.syncController_.timestampOffsetForTimeline(t.timeline)){var a=function(){e.state="READY";if(!e.paused()){e.monitorBuffer_()}};this.syncController_.one("timestampoffset",a);this.state="WAITING_ON_TIMELINE";return}this.loadSegment_(t)}},{key:"skipEmptySegments_",value:function(e){while(e&&e.segment.empty){e=this.generateSegmentInfo_(e.playlist,e.mediaIndex+1,e.startOfSegment+e.duration,e.isSyncRequest)}return e}},{key:"handleSegment_",value:function(){var t=this;if(!this.pendingSegment_||!this.subtitlesTrack_){this.state="READY";return}this.state="APPENDING";var a=this.pendingSegment_,n=a.segment;if("function"!=typeof e.WebVTT&&this.subtitlesTrack_&&this.subtitlesTrack_.tech_){var r=void 0,i=function(){t.subtitlesTrack_.tech_.off("vttjsloaded",r);t.error({message:"Error loading vtt.js"});t.state="READY";t.pause();t.trigger("error")};r=function(){t.subtitlesTrack_.tech_.off("vttjserror",i);t.handleSegment_()};this.state="WAITING_ON_VTTJS";this.subtitlesTrack_.tech_.one("vttjsloaded",r);this.subtitlesTrack_.tech_.one("vttjserror",i);return}n.requested=!0;try{this.parseVTTCues_(a)}catch(t){this.error({message:t.message});this.state="READY";this.pause();return this.trigger("error")}this.updateTimeMapping_(a,this.syncController_.timelines[a.timeline],this.playlist_);if(a.isSyncRequest){this.trigger("syncinfoupdate");this.pendingSegment_=null;this.state="READY";return}a.byteLength=a.bytes.byteLength;this.mediaSecondsLoaded+=n.duration;if(a.cues.length){this.remove(a.cues[0].endTime,a.cues[a.cues.length-1].endTime)}a.cues.forEach(function(a){t.subtitlesTrack_.addCue(t.featuresNativeTextTracks_?new e.VTTCue(a.startTime,a.endTime,a.text):a)});this.handleUpdateEnd_()}},{key:"parseVTTCues_",value:function(t){var a=void 0,n=!1;if("function"==typeof e.TextDecoder){a=new e.TextDecoder("utf8")}else{a=e.WebVTT.StringDecoder();n=!0}var r=new e.WebVTT.Parser(e,e.vttjs,a);t.cues=[];t.timestampmap={MPEGTS:0,LOCAL:0};r.oncue=t.cues.push.bind(t.cues);r.ontimestampmap=function(e){return t.timestampmap=e};r.onparsingerror=function(e){Hi.log.warn("Error encountered when parsing cues: "+e.message)};if(t.segment.map){var i=t.segment.map.bytes;if(n){i=xm(i)}r.parse(i)}var s=t.bytes;if(n){s=xm(s)}r.parse(s);r.flush()}},{key:"updateTimeMapping_",value:function(e,t,a){var n=e.segment;if(!t){return}if(!e.cues.length){n.empty=!0;return}var r=e.timestampmap,i=r.MPEGTS/9e4-r.LOCAL+t.mapping;e.cues.forEach(function(e){e.startTime+=i;e.endTime+=i});if(!a.syncInfo){var s=e.cues[0].startTime,o=e.cues[e.cues.length-1].startTime;a.syncInfo={mediaSequence:a.mediaSequence+e.mediaIndex,time:Math.min(s,o-n.duration)}}}}]);return a}(Im),Dm=function(e,t){for(var a=e.cues,n=0,r;n<a.length;n++){r=a[n];if(t>=r.adStartTime&&t<=r.adEndTime){return r}}return null},wm=function(t,a){var n=2<arguments.length&&arguments[2]!==void 0?arguments[2]:0;if(!t.segments){return}for(var r=n,s=void 0,o=0,l;o<t.segments.length;o++){l=t.segments[o];if(!s){s=Dm(a,r+l.duration/2)}if(s){if("cueIn"in l){s.endTime=r;s.adEndTime=r;r+=l.duration;s=null;continue}if(r<s.endTime){r+=l.duration;continue}s.endTime+=l.duration}else{if("cueOut"in l){s=new e.VTTCue(r,r+l.duration,l.cueOut);s.adStartTime=r;s.adEndTime=r+parseFloat(l.cueOut);a.addCue(s)}if("cueOutCont"in l){var d=void 0,p=void 0,u=l.cueOutCont.split("/").map(parseFloat),c=qp(u,2);d=c[0];p=c[1];s=new e.VTTCue(r,r+l.duration,"");s.adStartTime=r-d;s.adEndTime=s.adStartTime+p;a.addCue(s)}}r+=l.duration}},Am={inspect:function(e,t){var a=cp.aac.isLikelyAacData(e),n;if(a){n=bp(e)}else{n=vp(e)}if(!n||!n.audio&&!n.video){return null}Tp(n,t);return n},parseAudioPes_:_p}.inspect,Om=[{name:"VOD",run:function(e,t,a){if(a!==1/0){return{time:0,segmentIndex:0}}return null}},{name:"ProgramDateTime",run:function(e,t,a,n,r){if(!e.datetimeToDisplayTime){return null}var s=t.segments||[],o=null,l=null;r=r||0;for(var d=0,p;d<s.length;d++){p=s[d];if(p.dateTimeObject){var u=p.dateTimeObject.getTime()/1e3,c=u+e.datetimeToDisplayTime,m=Math.abs(r-c);if(null!==l&&(0===m||l<m)){break}l=m;o={time:c,segmentIndex:d}}}return o}},{name:"Segment",run:function(e,t,a,n,r){var s=t.segments||[],o=null,l=null;r=r||0;for(var d=0,p;d<s.length;d++){p=s[d];if(p.timeline===n&&"undefined"!=typeof p.start){var u=Math.abs(r-p.start);if(null!==l&&l<u){break}if(!o||null===l||l>=u){l=u;o={time:p.start,segmentIndex:d}}}}return o}},{name:"Discontinuity",run:function(e,t,a,n,r){var s=null;r=r||0;if(t.discontinuityStarts&&t.discontinuityStarts.length){for(var o=null,l=0;l<t.discontinuityStarts.length;l++){var d=t.discontinuityStarts[l],p=t.discontinuitySequence+l+1,u=e.discontinuities[p];if(u){var c=Math.abs(r-u.time);if(null!==o&&o<c){break}if(!s||null===o||o>=c){o=c;s={time:u.time,segmentIndex:d}}}}}return s}},{name:"Playlist",run:function(e,t){if(t.syncInfo){var a={time:t.syncInfo.time,segmentIndex:t.syncInfo.mediaSequence-t.mediaSequence};return a}return null}}],Rm=function(e){Fp(t,e);function t(){Mp(this,t);var e=Hp(this,(t.__proto__||Object.getPrototypeOf(t)).call(this));e.inspectCache_=void 0;e.timelines=[];e.discontinuities=[];e.datetimeToDisplayTime=null;e.logger_=Qc("SyncController");return e}Bp(t,[{key:"getSyncPoint",value:function(e,t,a,n){var r=this.runStrategies_(e,t,a,n);if(!r.length){return null}return this.selectSyncPoint_(r,{key:"time",value:n})}},{key:"getExpiredTime",value:function(e,t){if(!e||!e.segments){return null}var a=this.runStrategies_(e,t,e.discontinuitySequence,0);if(!a.length){return null}var n=this.selectSyncPoint_(a,{key:"segmentIndex",value:0});if(0<n.segmentIndex){n.time*=-1}return Math.abs(n.time+su(e,n.segmentIndex,0))}},{key:"runStrategies_",value:function(e,t,a,n){for(var r=[],s=0;s<Om.length;s++){var o=Om[s],l=o.run(this,e,t,a,n);if(l){l.strategy=o.name;r.push({strategy:o.name,syncPoint:l})}}return r}},{key:"selectSyncPoint_",value:function(e,t){for(var a=e[0].syncPoint,n=Math.abs(e[0].syncPoint[t.key]-t.value),r=e[0].strategy,s=1,o;s<e.length;s++){o=Math.abs(e[s].syncPoint[t.key]-t.value);if(o<n){n=o;a=e[s].syncPoint;r=e[s].strategy}}this.logger_("syncPoint for ["+t.key+": "+t.value+"] chosen with strategy"+(" ["+r+"]: [time:"+a.time+",")+(" segmentIndex:"+a.segmentIndex+"]"));return a}},{key:"saveExpiredSegmentInfo",value:function(e,t){for(var a=t.mediaSequence-e.mediaSequence,n=a-1,r;0<=n;n--){r=e.segments[n];if(r&&"undefined"!=typeof r.start){t.syncInfo={mediaSequence:e.mediaSequence+n,time:r.start};this.logger_("playlist refresh sync: [time:"+t.syncInfo.time+","+(" mediaSequence: "+t.syncInfo.mediaSequence+"]"));this.trigger("syncinfoupdate");break}}}},{key:"setDateTimeMapping",value:function(e){if(!this.datetimeToDisplayTime&&e.segments&&e.segments.length&&e.segments[0].dateTimeObject){var t=e.segments[0].dateTimeObject.getTime()/1e3;this.datetimeToDisplayTime=-t}}},{key:"reset",value:function(){this.inspectCache_=void 0}},{key:"probeSegmentInfo",value:function(e){var t=e.segment,a=e.playlist,n=void 0;if(t.map){n=this.probeMp4Segment_(e)}else{n=this.probeTsSegment_(e)}if(n){if(this.calculateSegmentTimeMapping_(e,n)){this.saveDiscontinuitySyncInfo_(e);if(!a.syncInfo){a.syncInfo={mediaSequence:a.mediaSequence+e.mediaIndex,time:t.start}}}}return n}},{key:"probeMp4Segment_",value:function(e){var t=e.segment,a=fd.timescale(t.map.bytes),n=fd.compositionStartTime(a,e.bytes);if(null!==e.timestampOffset){e.timestampOffset-=n}return{start:n,end:n+t.duration}}},{key:"probeTsSegment_",value:function(e){var t=Am(e.bytes,this.inspectCache_),a=void 0,n=void 0,r=void 0;if(!t){return null}if(t.video&&2===t.video.length){this.inspectCache_=t.video[1].dts;a=t.video[0].dtsTime;n=t.video[1].dtsTime;r=t.video}else if(t.audio&&2===t.audio.length){this.inspectCache_=t.audio[1].dts;a=t.audio[0].dtsTime;n=t.audio[1].dtsTime;r=t.audio}var i={segmentTimestampInfo:r,start:a,end:n,containsVideo:t.video&&2===t.video.length,containsAudio:t.audio&&2===t.audio.length};return i}},{key:"timestampOffsetForTimeline",value:function(e){if("undefined"==typeof this.timelines[e]){return null}return this.timelines[e].time}},{key:"mappingForTimeline",value:function(e){if("undefined"==typeof this.timelines[e]){return null}return this.timelines[e].mapping}},{key:"calculateSegmentTimeMapping_",value:function(e,t){var a=e.segment,n=this.timelines[e.timeline];if(null!==e.timestampOffset){n={time:e.startOfSegment,mapping:e.startOfSegment-t.start};this.timelines[e.timeline]=n;this.trigger("timestampoffset");this.logger_("time mapping for timeline "+e.timeline+": "+("[time: "+n.time+"] [mapping: "+n.mapping+"]"));a.start=e.startOfSegment;a.end=t.end+n.mapping}else if(n){a.start=t.start+n.mapping;a.end=t.end+n.mapping}else{return!1}return!0}},{key:"saveDiscontinuitySyncInfo_",value:function(e){var t=e.playlist,a=e.segment;if(a.discontinuity){this.discontinuities[a.timeline]={time:a.start,accuracy:0}}else if(t.discontinuityStarts&&t.discontinuityStarts.length){for(var n=0;n<t.discontinuityStarts.length;n++){var r=t.discontinuityStarts[n],s=t.discontinuitySequence+n+1,o=r-e.mediaIndex,l=Math.abs(o);if(!this.discontinuities[s]||this.discontinuities[s].accuracy>l){var d=void 0;if(0>o){d=a.start-su(t,e.mediaIndex,r)}else{d=a.end+su(t,e.mediaIndex+1,r)}this.discontinuities[s]={time:d,accuracy:l}}}}}},{key:"dispose",value:function(){this.trigger("dispose");this.off()}}]);return t}(Hi.EventTarget),Nm=new pc("./decrypter-worker.worker.js",function(){var e=this,t=function(){function t(e){return e.subarray(0,e.byteLength-e[e.byteLength-1])}var a=function(e,t){if(!(e instanceof t)){throw new TypeError("Cannot call a class as a function")}},n=function(){function e(e,t){for(var a=0,n;a<t.length;a++){n=t[a];n.enumerable=n.enumerable||!1;n.configurable=!0;if("value"in n)n.writable=!0;Object.defineProperty(e,n.key,n)}}return function(t,a,n){if(a)e(t.prototype,a);if(n)e(t,n);return t}}(),r=function(e,t){if("function"!=typeof t&&null!==t){throw new TypeError("Super expression must either be null or a function, not "+_typeof2(t))}e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}});if(t)Object.setPrototypeOf?Object.setPrototypeOf(e,t):e.__proto__=t},i=function(e,t){if(!e){throw new ReferenceError("this hasn't been initialised - super() hasn't been called")}return t&&("object"===_typeof2(t)||"function"==typeof t)?t:e},s=function(){var e=[[[],[],[],[],[]],[[],[],[],[],[]]],t=e[0],a=e[1],n=t[4],r=a[4],o=void 0,l=void 0,p=void 0,u=[],d=[],c=void 0,m=void 0,g=void 0,y=void 0,h=void 0,_=void 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n}t.prototype.processJob_=function(){this.jobs.shift()();if(this.jobs.length){this.timeout_=setTimeout(this.processJob_.bind(this),this.delay)}else{this.timeout_=null}};t.prototype.push=function(e){this.jobs.push(e);if(!this.timeout_){this.timeout_=setTimeout(this.processJob_.bind(this),this.delay)}};return t}(d),u=function(e){return e<<24|(65280&e)<<8|(16711680&e)>>8|e>>>24},c=function(e,t,a){var n=new Int32Array(e.buffer,e.byteOffset,e.byteLength>>2),r=new l(Array.prototype.slice.call(t)),i=new Uint8Array(e.byteLength),s=new Int32Array(i.buffer),o=void 0,d=void 0,p=void 0,c=void 0,m=void 0,g=void 0,y=void 0,h=void 0,_=void 0;o=a[0];d=a[1];p=a[2];c=a[3];for(_=0;_<n.length;_+=4){m=u(n[_]);g=u(n[_+1]);y=u(n[_+2]);h=u(n[_+3]);r.decrypt(m,g,y,h,s,_);s[_]=u(s[_]^o);s[_+1]=u(s[_+1]^d);s[_+2]=u(s[_+2]^p);s[_+3]=u(s[_+3]^c);o=m;d=g;p=y;c=h}return i},m=function(){function e(n,r,s,o){a(this,e);var l=e.STEP,d=new Int32Array(n.buffer),c=new Uint8Array(n.byteLength),m=0;this.asyncStream_=new p;this.asyncStream_.push(this.decryptChunk_(d.subarray(m,m+l),r,s,c));for(m=l;m<d.length;m+=l){s=new Uint32Array([u(d[m-4]),u(d[m-3]),u(d[m-2]),u(d[m-1])]);this.asyncStream_.push(this.decryptChunk_(d.subarray(m,m+l),r,s,c))}this.asyncStream_.push(function(){o(null,t(c))})}e.prototype.decryptChunk_=function(e,t,a,n){return function(){var r=c(e,t,a);n.set(r,e.byteOffset)}};n(e,null,[{key:"STEP",get:function(){return 32e3}}]);return e}(),g=function(e){var t={};Object.keys(e).forEach(function(a){var n=e[a];if(ArrayBuffer.isView(n)){t[a]={bytes:n.buffer,byteOffset:n.byteOffset,byteLength:n.byteLength}}else{t[a]=n}});return t},y=new function(e){e.onmessage=function(t){var a=t.data,n=new Uint8Array(a.encrypted.bytes,a.encrypted.byteOffset,a.encrypted.byteLength),r=new Uint32Array(a.key.bytes,a.key.byteOffset,a.key.byteLength/4),i=new Uint32Array(a.iv.bytes,a.iv.byteOffset,a.iv.byteLength/4);new m(n,r,i,function(t,n){e.postMessage(g({source:a.source,decrypted:n}),[n.buffer])})}}(e);return y}()}),Um=function(e){var t=e["default"]?"main":"alternative";if(e.characteristics&&0<=e.characteristics.indexOf("public.accessibility.describes-video")){t="main-desc"}return t},Mm=function(e,t){e.abort();e.pause();if(t&&t.activePlaylistLoader){t.activePlaylistLoader.pause();t.activePlaylistLoader=null}},Bm=function(e,t){t.activePlaylistLoader=e;e.load()},jm=function(e,t){return function(){var a=t.segmentLoaders,n=a[e],r=a.main,i=t.mediaTypes[e],s=i.activeTrack(),o=i.activeGroup(s),l=i.activePlaylistLoader;Mm(n,i);if(!o){return}if(!o.playlistLoader){if(l){r.resetEverything()}return}n.resyncLoader();Bm(o.playlistLoader,i)}},Fm=function(e,t){return function(){var a=t.segmentLoaders,n=a[e],r=a.main,i=t.mediaTypes[e],s=i.activeTrack(),o=i.activeGroup(s),l=i.activePlaylistLoader;Mm(n,i);if(!o){return}if(!o.playlistLoader){r.resetEverything();return}if(l===o.playlistLoader){Bm(o.playlistLoader,i);return}if(n.track){n.track(s)}n.resetEverything();Bm(o.playlistLoader,i)}},Hm={AUDIO:function(e,t){return function(){var a=t.segmentLoaders[e],n=t.mediaTypes[e],r=t.blacklistCurrentPlaylist;Mm(a,n);var i=n.activeTrack(),s=n.activeGroup(),o=(s.filter(function(e){return e["default"]})[0]||s[0]).id,l=n.tracks[o];if(i===l){r({message:"Problem encountered loading the default audio track."});return}Hi.log.warn("Problem encountered loading the alternate audio track.Switching back to default.");for(var d in n.tracks){n.tracks[d].enabled=n.tracks[d]===l}n.onTrackChanged()}},SUBTITLES:function(e,t){return function(){var a=t.segmentLoaders[e],n=t.mediaTypes[e];Hi.log.warn("Problem encountered loading the subtitle track.Disabling subtitle track.");Mm(a,n);var r=n.activeTrack();if(r){r.mode="disabled"}n.onTrackChanged()}}},qm={AUDIO:function(e,t,a){if(!t){return}var n=a.tech,r=a.requestOptions,i=a.segmentLoaders[e];t.on("loadedmetadata",function(){var e=t.media();i.playlist(e,r);if(!n.paused()||e.endList&&"none"!==n.preload()){i.load()}});t.on("loadedplaylist",function(){i.playlist(t.media(),r);if(!n.paused()){i.load()}});t.on("error",Hm[e](e,a))},SUBTITLES:function(e,t,a){var n=a.tech,r=a.requestOptions,i=a.segmentLoaders[e],s=a.mediaTypes[e];t.on("loadedmetadata",function(){var e=t.media();i.playlist(e,r);i.track(s.activeTrack());if(!n.paused()||e.endList&&"none"!==n.preload()){i.load()}});t.on("loadedplaylist",function(){i.playlist(t.media(),r);if(!n.paused()){i.load()}});t.on("error",Hm[e](e,a))}},Vm={AUDIO:function(e,t){var a=t.hls,n=t.sourceType,r=t.segmentLoaders[e],i=t.requestOptions,s=t.master.mediaGroups,o=t.mediaTypes[e],l=o.groups,d=o.tracks,p=t.masterPlaylistLoader;if(!s[e]||0===Object.keys(s[e]).length){s[e]={main:{default:{default:!0}}}}for(var u in s[e]){if(!l[u]){l[u]=[]}for(var c in s[e][u]){var m=s[e][u][c],g=void 0;if(m.resolvedUri){g=new eu(m.resolvedUri,a,i)}else if(m.playlists&&"dash"===n){g=new $c(m.playlists[0],a,i,p)}else{g=null}m=Hi.mergeOptions({id:c,playlistLoader:g},m);qm[e](e,m.playlistLoader,t);l[u].push(m);if("undefined"==typeof d[c]){var y=new Hi.AudioTrack({id:c,kind:Um(m),enabled:!1,language:m.language,default:m["default"],label:c});d[c]=y}}}r.on("error",Hm[e](e,t))},SUBTITLES:function(e,t){var a=t.tech,n=t.hls,r=t.sourceType,i=t.segmentLoaders[e],s=t.requestOptions,o=t.master.mediaGroups,l=t.mediaTypes[e],d=l.groups,p=l.tracks,u=t.masterPlaylistLoader;for(var c in o[e]){if(!d[c]){d[c]=[]}for(var m in o[e][c]){if(o[e][c][m].forced){continue}var g=o[e][c][m],y=void 0;if("hls"===r){y=new eu(g.resolvedUri,n,s)}else if("dash"===r){y=new $c(g.playlists[0],n,s,u)}g=Hi.mergeOptions({id:m,playlistLoader:y},g);qm[e](e,g.playlistLoader,t);d[c].push(g);if("undefined"==typeof p[m]){var h=a.addRemoteTextTrack({id:m,kind:"subtitles",default:g["default"]&&g.autoselect,language:g.language,label:m},!1).track;p[m]=h}}}i.on("error",Hm[e](e,t))},"CLOSED-CAPTIONS":function(e,t){var a=t.tech,n=t.master.mediaGroups,r=t.mediaTypes[e],i=r.groups,s=r.tracks;for(var o in n[e]){if(!i[o]){i[o]=[]}for(var l in n[e][o]){var d=n[e][o][l];if(!d.instreamId.match(/CC\d/)){continue}i[o].push(Hi.mergeOptions({id:l},d));if("undefined"==typeof s[l]){var p=a.addRemoteTextTrack({id:d.instreamId,kind:"captions",default:d["default"]&&d.autoselect,language:d.language,label:l},!1).track;s[l]=p}}}}},Wm=function(e,t){return function(a){var n=t.masterPlaylistLoader,r=t.mediaTypes[e].groups,i=n.media();if(!i){return null}var s=null;if(i.attributes[e]){s=r[i.attributes[e]]}s=s||r.main;if("undefined"==typeof a){return s}if(null===a){return null}return s.filter(function(e){return e.id===a.id})[0]||null}},zm={AUDIO:function(e,t){return function(){var a=t.mediaTypes[e].tracks;for(var n in a){if(a[n].enabled){return a[n]}}return null}},SUBTITLES:function(e,t){return function(){var a=t.mediaTypes[e].tracks;for(var n in a){if("showing"===a[n].mode||"hidden"===a[n].mode){return a[n]}}return null}}},Gm=function(e){["AUDIO","SUBTITLES","CLOSED-CAPTIONS"].forEach(function(t){Vm[t](t,e)});var t=e.mediaTypes,a=e.masterPlaylistLoader,n=e.tech,r=e.hls;["AUDIO","SUBTITLES"].forEach(function(a){t[a].activeGroup=Wm(a,e);t[a].activeTrack=zm[a](a,e);t[a].onGroupChanged=jm(a,e);t[a].onTrackChanged=Fm(a,e)});var i=t.AUDIO.activeGroup(),s=(i.filter(function(e){return e["default"]})[0]||i[0]).id;t.AUDIO.tracks[s].enabled=!0;t.AUDIO.onTrackChanged();a.on("mediachange",function(){["AUDIO","SUBTITLES"].forEach(function(e){return t[e].onGroupChanged()})});var o=function(){t.AUDIO.onTrackChanged();n.trigger({type:"usage",name:"hls-audio-change"})};n.audioTracks().addEventListener("change",o);n.remoteTextTracks().addEventListener("change",t.SUBTITLES.onTrackChanged);r.on("dispose",function(){n.audioTracks().removeEventListener("change",o);n.remoteTextTracks().removeEventListener("change",t.SUBTITLES.onTrackChanged)});n.clearTracks("audio");for(var l in t.AUDIO.tracks){n.audioTracks().addTrack(t.AUDIO.tracks[l])}},Km=function(){var e={};["AUDIO","SUBTITLES","CLOSED-CAPTIONS"].forEach(function(t){e[t]={groups:{},tracks:{},activePlaylistLoader:null,activeGroup:Jc,activeTrack:Jc,onGroupChanged:Jc,onTrackChanged:Jc}});return e},Ym=void 0,Xm=["mediaRequests","mediaRequestsAborted","mediaRequestsTimedout","mediaRequestsErrored","mediaTransferDuration","mediaBytesTransferred"],$m=function(e){return this.audioSegmentLoader_[e]+this.mainSegmentLoader_[e]},Qm=function(t){Fp(a,t);function a(e){Mp(this,a);var t=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this)),n=e.url,r=e.handleManifestRedirects,i=e.withCredentials,s=e.tech,o=e.bandwidth,l=e.externHls,d=e.useCueTags,p=e.blacklistDuration,u=e.enableLowInitialPlaylist,c=e.sourceType,m=e.seekTo,g=e.cacheEncryptionKeys;if(!n){throw new Error("A non-empty playlist URL is required")}Ym=l;t.withCredentials=i;t.tech_=s;t.hls_=s.hls;t.seekTo_=m;t.sourceType_=c;t.useCueTags_=d;t.blacklistDuration=p;t.enableLowInitialPlaylist=u;if(t.useCueTags_){t.cueTagsTrack_=t.tech_.addTextTrack("metadata","ad-cues");t.cueTagsTrack_.inBandMetadataTrackDispatchType=""}t.requestOptions_={withCredentials:i,handleManifestRedirects:r,timeout:null};t.mediaTypes_=Km();t.mediaSource=new Hi.MediaSource;t.mediaSource.addEventListener("sourceopen",t.handleSourceOpen_.bind(t));t.seekable_=Hi.createTimeRanges();t.hasPlayed_=!1;t.syncController_=new Rm(e);t.segmentMetadataTrack_=s.addRemoteTextTrack({kind:"metadata",label:"segment-metadata"},!1).track;t.decrypter_=new Nm;t.inbandTextTracks_={};var y={hls:t.hls_,mediaSource:t.mediaSource,currentTime:t.tech_.currentTime.bind(t.tech_),seekable:function(){return t.seekable()},seeking:function(){return t.tech_.seeking()},duration:function(){return t.mediaSource.duration},hasPlayed:function(){return t.hasPlayed_},goalBufferLength:function(){return t.goalBufferLength()},bandwidth:o,syncController:t.syncController_,decrypter:t.decrypter_,sourceType:t.sourceType_,inbandTextTracks:t.inbandTextTracks_,cacheEncryptionKeys:g};t.masterPlaylistLoader_="dash"===t.sourceType_?new $c(n,t.hls_,t.requestOptions_):new eu(n,t.hls_,t.requestOptions_);t.setupMasterPlaylistLoaderListeners_();t.mainSegmentLoader_=new Im(Hi.mergeOptions(y,{segmentMetadataTrack:t.segmentMetadataTrack_,loaderType:"main"}),e);t.audioSegmentLoader_=new Im(Hi.mergeOptions(y,{loaderType:"audio"}),e);t.subtitleSegmentLoader_=new Pm(Hi.mergeOptions(y,{loaderType:"vtt",featuresNativeTextTracks:t.tech_.featuresNativeTextTracks}),e);t.setupSegmentLoaderListeners_();Xm.forEach(function(e){t[e+"_"]=$m.bind(t,e)});t.logger_=Qc("MPC");t.masterPlaylistLoader_.load();return t}Bp(a,[{key:"setupMasterPlaylistLoaderListeners_",value:function(){var t=this;this.masterPlaylistLoader_.on("loadedmetadata",function(){var e=t.masterPlaylistLoader_.media(),a=1e3*(1.5*e.targetDuration);if(bu(t.masterPlaylistLoader_.master,t.masterPlaylistLoader_.media())){t.requestOptions_.timeout=0}else{t.requestOptions_.timeout=a}if(e.endList&&"none"!==t.tech_.preload()){t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.mainSegmentLoader_.load()}Gm({sourceType:t.sourceType_,segmentLoaders:{AUDIO:t.audioSegmentLoader_,SUBTITLES:t.subtitleSegmentLoader_,main:t.mainSegmentLoader_},tech:t.tech_,requestOptions:t.requestOptions_,masterPlaylistLoader:t.masterPlaylistLoader_,hls:t.hls_,master:t.master(),mediaTypes:t.mediaTypes_,blacklistCurrentPlaylist:t.blacklistCurrentPlaylist.bind(t)});t.triggerPresenceUsage_(t.master(),e);try{t.setupSourceBuffers_()}catch(a){Hi.log.warn("Failed to create SourceBuffers",a);return t.mediaSource.endOfStream("decode")}t.setupFirstPlay();if(!t.mediaTypes_.AUDIO.activePlaylistLoader||t.mediaTypes_.AUDIO.activePlaylistLoader.media()){t.trigger("selectedinitialmedia")}else{t.mediaTypes_.AUDIO.activePlaylistLoader.one("loadedmetadata",function(){t.trigger("selectedinitialmedia")})}});this.masterPlaylistLoader_.on("loadedplaylist",function(){var e=t.masterPlaylistLoader_.media();if(!e){t.excludeUnsupportedVariants_();var a;if(t.enableLowInitialPlaylist){a=t.selectInitialPlaylist()}if(!a){a=t.selectPlaylist()}t.initialMedia_=a;t.masterPlaylistLoader_.media(t.initialMedia_);return}if(t.useCueTags_){t.updateAdCues_(e)}t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.updateDuration();if(!t.tech_.paused()){t.mainSegmentLoader_.load();if(t.audioSegmentLoader_){t.audioSegmentLoader_.load()}}if(!e.endList){var n=function(){var e=t.seekable();if(0!==e.length){t.mediaSource.addSeekableRange_(e.start(0),e.end(0))}};if(t.duration()!==1/0){var r=function e(){if(t.duration()===1/0){n()}else{t.tech_.one("durationchange",e)}};t.tech_.one("durationchange",r)}else{n()}}});this.masterPlaylistLoader_.on("error",function(){t.blacklistCurrentPlaylist(t.masterPlaylistLoader_.error)});this.masterPlaylistLoader_.on("mediachanging",function(){t.mainSegmentLoader_.abort();t.mainSegmentLoader_.pause()});this.masterPlaylistLoader_.on("mediachange",function(){var e=t.masterPlaylistLoader_.media(),a=1e3*(1.5*e.targetDuration);if(bu(t.masterPlaylistLoader_.master,t.masterPlaylistLoader_.media())){t.requestOptions_.timeout=0}else{t.requestOptions_.timeout=a}t.mainSegmentLoader_.playlist(e,t.requestOptions_);t.mainSegmentLoader_.load();t.tech_.trigger({type:"mediachange",bubbles:!0})});this.masterPlaylistLoader_.on("playlistunchanged",function(){var e=t.masterPlaylistLoader_.media(),a=t.stuckAtPlaylistEnd_(e);if(a){t.blacklistCurrentPlaylist({message:"Playlist no longer updating."});t.tech_.trigger("playliststuck")}});this.masterPlaylistLoader_.on("renditiondisabled",function(){t.tech_.trigger({type:"usage",name:"hls-rendition-disabled"})});this.masterPlaylistLoader_.on("renditionenabled",function(){t.tech_.trigger({type:"usage",name:"hls-rendition-enabled"})})}},{key:"triggerPresenceUsage_",value:function(e,t){var a=e.mediaGroups||{},n=!0,r=Object.keys(a.AUDIO);for(var i in a.AUDIO){for(var s in a.AUDIO[i]){var o=a.AUDIO[i][s];if(!o.uri){n=!1}}}if(n){this.tech_.trigger({type:"usage",name:"hls-demuxed"})}if(Object.keys(a.SUBTITLES).length){this.tech_.trigger({type:"usage",name:"hls-webvtt"})}if(Ym.Playlist.isAes(t)){this.tech_.trigger({type:"usage",name:"hls-aes"})}if(Ym.Playlist.isFmp4(t)){this.tech_.trigger({type:"usage",name:"hls-fmp4"})}if(r.length&&1<Object.keys(a.AUDIO[r[0]]).length){this.tech_.trigger({type:"usage",name:"hls-alternate-audio"})}if(this.useCueTags_){this.tech_.trigger({type:"usage",name:"hls-playlist-cue-tags"})}}},{key:"setupSegmentLoaderListeners_",value:function(){var e=this;this.mainSegmentLoader_.on("bandwidthupdate",function(){var t=e.selectPlaylist(),a=e.masterPlaylistLoader_.media(),n=e.tech_.buffered(),r=n.length?n.end(n.length-1)-e.tech_.currentTime():0,i=e.bufferLowWaterLine();if(!a.endList||e.duration()<em.MAX_BUFFER_LOW_WATER_LINE||t.attributes.BANDWIDTH<a.attributes.BANDWIDTH||r>=i){e.masterPlaylistLoader_.media(t)}e.tech_.trigger("bandwidthupdate")});this.mainSegmentLoader_.on("progress",function(){e.trigger("progress")});this.mainSegmentLoader_.on("error",function(){e.blacklistCurrentPlaylist(e.mainSegmentLoader_.error())});this.mainSegmentLoader_.on("syncinfoupdate",function(){e.onSyncInfoUpdate_()});this.mainSegmentLoader_.on("timestampoffset",function(){e.tech_.trigger({type:"usage",name:"hls-timestamp-offset"})});this.audioSegmentLoader_.on("syncinfoupdate",function(){e.onSyncInfoUpdate_()});this.mainSegmentLoader_.on("ended",function(){e.onEndOfStream()});this.mainSegmentLoader_.on("earlyabort",function(){e.blacklistCurrentPlaylist({message:"Aborted early because there isn't enough bandwidth to complete the request without rebuffering."},120)});this.mainSegmentLoader_.on("reseteverything",function(){e.tech_.trigger("hls-reset")});this.mainSegmentLoader_.on("segmenttimemapping",function(t){e.tech_.trigger({type:"hls-segment-time-mapping",mapping:t.mapping})});this.audioSegmentLoader_.on("ended",function(){e.onEndOfStream()})}},{key:"mediaSecondsLoaded_",value:function(){return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded+this.mainSegmentLoader_.mediaSecondsLoaded)}},{key:"load",value:function(){this.mainSegmentLoader_.load();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.load()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.load()}}},{key:"smoothQualityChange_",value:function(){var e=this.selectPlaylist();if(e!==this.masterPlaylistLoader_.media()){this.masterPlaylistLoader_.media(e);this.mainSegmentLoader_.resetLoader()}}},{key:"fastQualityChange_",value:function(){var e=this,t=this.selectPlaylist();if(t===this.masterPlaylistLoader_.media()){return}this.masterPlaylistLoader_.media(t);this.mainSegmentLoader_.resetEverything(function(){if(Hi.browser.IE_VERSION||Hi.browser.IS_EDGE){e.tech_.setCurrentTime(e.tech_.currentTime()+.04)}else{e.tech_.setCurrentTime(e.tech_.currentTime())}})}},{key:"play",value:function(){if(this.setupFirstPlay()){return}if(this.tech_.ended()){this.seekTo_(0)}if(this.hasPlayed_){this.load()}var e=this.tech_.seekable();if(this.tech_.duration()===1/0){if(this.tech_.currentTime()<e.start(0)){return this.seekTo_(e.end(e.length-1))}}}},{key:"setupFirstPlay",value:function(){var e=this,t=this.masterPlaylistLoader_.media();if(!t||this.tech_.paused()||this.hasPlayed_){return!1}if(!t.endList){var a=this.seekable();if(!a.length){return!1}if(Hi.browser.IE_VERSION&&0===this.tech_.readyState()){this.tech_.one("loadedmetadata",function(){e.trigger("firstplay");e.seekTo_(a.end(0));e.hasPlayed_=!0});return!1}this.trigger("firstplay");this.seekTo_(a.end(0))}this.hasPlayed_=!0;this.load();return!0}},{key:"handleSourceOpen_",value:function(){try{this.setupSourceBuffers_()}catch(t){Hi.log.warn("Failed to create Source Buffers",t);return this.mediaSource.endOfStream("decode")}if(this.tech_.autoplay()){var e=this.tech_.play();if("undefined"!=typeof e&&"function"==typeof e.then){e.then(null,function(){})}}this.trigger("sourceopen")}},{key:"onEndOfStream",value:function(){var e=this.mainSegmentLoader_.ended_;if(this.mediaTypes_.AUDIO.activePlaylistLoader){if(!this.mainSegmentLoader_.startingMedia_||this.mainSegmentLoader_.startingMedia_.containsVideo){e=e&&this.audioSegmentLoader_.ended_}else{e=this.audioSegmentLoader_.ended_}}if(!e){return}this.logger_("calling mediaSource.endOfStream()");try{this.mediaSource.endOfStream()}catch(t){Hi.log.warn("Failed to call media source endOfStream",t)}}},{key:"stuckAtPlaylistEnd_",value:function(e){var t=this.seekable();if(!t.length){return!1}var a=this.syncController_.getExpiredTime(e,this.mediaSource.duration);if(null===a){return!1}var n=Ym.Playlist.playlistEnd(e,a),r=this.tech_.currentTime(),i=this.tech_.buffered();if(!i.length){return n-r<=Gu}var s=i.end(i.length-1);return s-r<=Gu&&n-s<=Gu}},{key:"blacklistCurrentPlaylist",value:function(){var e=0<arguments.length&&arguments[0]!==void 0?arguments[0]:{},t=arguments[1],a=void 0,n=void 0;a=e.playlist||this.masterPlaylistLoader_.media();t=t||e.blacklistDuration||this.blacklistDuration;if(!a){this.error=e;try{return this.mediaSource.endOfStream("network")}catch(t){return this.trigger("error")}}var r=1===this.masterPlaylistLoader_.master.playlists.filter(hu).length,i=this.masterPlaylistLoader_.master.playlists;if(1===i.length){Hi.log.warn("Problem encountered with the current HLS playlist. Trying again since it is the only playlist.");this.tech_.trigger("retryplaylist");return this.masterPlaylistLoader_.load(r)}if(r){Hi.log.warn("Removing all playlists from the blacklist because the last rendition is about to be blacklisted.");i.forEach(function(e){if(e.excludeUntil!==1/0){delete e.excludeUntil}});this.tech_.trigger("retryplaylist")}a.excludeUntil=Date.now()+1e3*t;this.tech_.trigger("blacklistplaylist");this.tech_.trigger({type:"usage",name:"hls-rendition-blacklisted"});n=this.selectPlaylist();Hi.log.warn("Problem encountered with the current HLS playlist."+(e.message?" "+e.message:"")+" Switching to another playlist.");return this.masterPlaylistLoader_.media(n,r)}},{key:"pauseLoading",value:function(){this.mainSegmentLoader_.pause();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.pause()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.pause()}}},{key:"setCurrentTime",value:function(e){var t=Yu(this.tech_.buffered(),e);if(!(this.masterPlaylistLoader_&&this.masterPlaylistLoader_.media())){return 0}if(!this.masterPlaylistLoader_.media().segments){return 0}if(t&&t.length){return e}this.mainSegmentLoader_.resetEverything();this.mainSegmentLoader_.abort();if(this.mediaTypes_.AUDIO.activePlaylistLoader){this.audioSegmentLoader_.resetEverything();this.audioSegmentLoader_.abort()}if(this.mediaTypes_.SUBTITLES.activePlaylistLoader){this.subtitleSegmentLoader_.resetEverything();this.subtitleSegmentLoader_.abort()}this.load()}},{key:"duration",value:function(){if(!this.masterPlaylistLoader_){return 0}if(this.mediaSource){return this.mediaSource.duration}return Ym.Playlist.duration(this.masterPlaylistLoader_.media())}},{key:"seekable",value:function(){return this.seekable_}},{key:"onSyncInfoUpdate_",value:function(){var e;if(!this.masterPlaylistLoader_){return}var t=this.masterPlaylistLoader_.media();if(!t){return}var a=this.syncController_.getExpiredTime(t,this.mediaSource.duration);if(null===a){return}var n=this.masterPlaylistLoader_.master.suggestedPresentationDelay,r=Ym.Playlist.seekable(t,a,n);if(0===r.length){return}if(this.mediaTypes_.AUDIO.activePlaylistLoader){t=this.mediaTypes_.AUDIO.activePlaylistLoader.media();a=this.syncController_.getExpiredTime(t,this.mediaSource.duration);if(null===a){return}e=Ym.Playlist.seekable(t,a,n);if(0===e.length){return}}var i=void 0,s=void 0;if(this.seekable_&&this.seekable_.length){i=this.seekable_.end(0);s=this.seekable_.start(0)}if(!e){this.seekable_=r}else if(e.start(0)>r.end(0)||r.start(0)>e.end(0)){this.seekable_=r}else{this.seekable_=Hi.createTimeRanges([[e.start(0)>r.start(0)?e.start(0):r.start(0),e.end(0)<r.end(0)?e.end(0):r.end(0)]])}if(this.seekable_&&this.seekable_.length){if(this.seekable_.end(0)===i&&this.seekable_.start(0)===s){return}}this.logger_("seekable updated ["+Qu(this.seekable_)+"]");this.tech_.trigger("seekablechanged")}},{key:"updateDuration",value:function(){var e=this,t=this.mediaSource.duration,a=Ym.Playlist.duration(this.masterPlaylistLoader_.media()),n=this.tech_.buffered(),r=function t(){e.logger_("Setting duration from "+e.mediaSource.duration+" => "+a);try{e.mediaSource.duration=a}catch(t){Hi.log.warn("Failed to set media source duration",t)}e.tech_.trigger("durationchange");e.mediaSource.removeEventListener("sourceopen",t)};if(0<n.length){a=Math.max(a,n.end(n.length-1))}if(t!==a){if("open"!==this.mediaSource.readyState){this.mediaSource.addEventListener("sourceopen",r)}else{r()}}}},{key:"dispose",value:function(){var e=this;this.trigger("dispose");this.decrypter_.terminate();this.masterPlaylistLoader_.dispose();this.mainSegmentLoader_.dispose();["AUDIO","SUBTITLES"].forEach(function(t){var a=e.mediaTypes_[t].groups;for(var n in a){a[n].forEach(function(e){if(e.playlistLoader){e.playlistLoader.dispose()}})}});this.audioSegmentLoader_.dispose();this.subtitleSegmentLoader_.dispose();this.off();if(this.mediaSource.dispose){this.mediaSource.dispose()}}},{key:"master",value:function(){return this.masterPlaylistLoader_.master}},{key:"media",value:function(){return this.masterPlaylistLoader_.media()||this.initialMedia_}},{key:"setupSourceBuffers_",value:function(){var e=this.masterPlaylistLoader_.media(),t=void 0;if(!e||"open"!==this.mediaSource.readyState){return}t=Ec(this.masterPlaylistLoader_.master,e);if(1>t.length){this.error="No compatible SourceBuffer configuration for the variant stream:"+e.resolvedUri;return this.mediaSource.endOfStream("decode")}this.configureLoaderMimeTypes_(t);this.excludeIncompatibleVariants_(e)}},{key:"configureLoaderMimeTypes_",value:function(e){var t=1<e.length&&-1===e[0].indexOf(",")&&e[0]!==e[1]?new Hi.EventTarget:null;this.mainSegmentLoader_.mimeType(e[0],t);if(e[1]){this.audioSegmentLoader_.mimeType(e[1],t)}}},{key:"excludeUnsupportedVariants_",value:function(){this.master().playlists.forEach(function(t){if(t.attributes.CODECS&&e.MediaSource&&e.MediaSource.isTypeSupported&&!e.MediaSource.isTypeSupported("video/mp4; codecs=\""+bc(t.attributes.CODECS)+"\"")){t.excludeUntil=1/0}})}},{key:"excludeIncompatibleVariants_",value:function(e){var t=2,a=null,n=void 0;if(e.attributes.CODECS){n=Tc(e.attributes.CODECS);a=n.videoCodec;t=n.codecCount}this.master().playlists.forEach(function(e){var n={codecCount:2,videoCodec:null};if(e.attributes.CODECS){n=Tc(e.attributes.CODECS)}if(n.codecCount!==t){e.excludeUntil=1/0}if(n.videoCodec!==a){e.excludeUntil=1/0}})}},{key:"updateAdCues_",value:function(e){var t=0,a=this.seekable();if(a.length){t=a.start(0)}wm(e,this.cueTagsTrack_,t)}},{key:"goalBufferLength",value:function(){var e=this.tech_.currentTime(),t=em.GOAL_BUFFER_LENGTH,a=em.GOAL_BUFFER_LENGTH_RATE,n=Math.max(t,em.MAX_GOAL_BUFFER_LENGTH);return Math.min(t+e*a,n)}},{key:"bufferLowWaterLine",value:function(){var e=this.tech_.currentTime(),t=em.BUFFER_LOW_WATER_LINE,a=em.BUFFER_LOW_WATER_LINE_RATE,n=Math.max(t,em.MAX_BUFFER_LOW_WATER_LINE);return Math.min(t+e*a,n)}}]);return a}(Hi.EventTarget),Jm=function(e,t,a){return function(n){var r=e.master.playlists[t],i=yu(r),s=hu(r);if("undefined"==typeof n){return s}if(n){delete r.disabled}else{r.disabled=!0}if(n!==s&&!i){a();if(n){e.trigger("renditionenabled")}else{e.trigger("renditiondisabled")}}return n}},Zm=function n(e,t,a){Mp(this,n);var r=e.masterPlaylistController_,i=e.options_.smoothQualityChange,s=i?"smooth":"fast",o=r[s+"QualityChange_"].bind(r);if(t.attributes.RESOLUTION){var l=t.attributes.RESOLUTION;this.width=l.width;this.height=l.height}this.bandwidth=t.attributes.BANDWIDTH;this.id=a;this.enabled=Jm(e.playlists,t.id,o)},eg=function(t){var a=t.playlists;t.representations=function(){if(!a||!a.master||!a.master.playlists){return[]}return a.master.playlists.filter(function(e){return!yu(e)}).map(function(a){return new Zm(t,a,a.id)})}},tg=["seeking","seeked","pause","playing","error"],ag=function(){function t(a){var n=this;Mp(this,t);this.tech_=a.tech;this.seekable=a.seekable;this.seekTo=a.seekTo;this.allowSeeksWithinUnsafeLiveWindow=a.allowSeeksWithinUnsafeLiveWindow;this.media=a.media;this.consecutiveUpdates=0;this.lastRecordedTime=null;this.timer_=null;this.checkCurrentTimeTimeout_=null;this.logger_=Qc("PlaybackWatcher");this.logger_("initialize");var r=function(){return n.monitorCurrentTime_()},i=function(){return n.techWaiting_()},s=function(){return n.cancelTimer_()},o=function(){return n.fixesBadSeeks_()};this.tech_.on("seekablechanged",o);this.tech_.on("waiting",i);this.tech_.on(tg,s);this.tech_.on("canplay",r);this.dispose=function(){n.logger_("dispose");n.tech_.off("seekablechanged",o);n.tech_.off("waiting",i);n.tech_.off(tg,s);n.tech_.off("canplay",r);if(n.checkCurrentTimeTimeout_){e.clearTimeout(n.checkCurrentTimeTimeout_)}n.cancelTimer_()}}Bp(t,[{key:"monitorCurrentTime_",value:function(){this.checkCurrentTime_();if(this.checkCurrentTimeTimeout_){e.clearTimeout(this.checkCurrentTimeTimeout_)}this.checkCurrentTimeTimeout_=e.setTimeout(this.monitorCurrentTime_.bind(this),250)}},{key:"checkCurrentTime_",value:function(){if(this.tech_.seeking()&&this.fixesBadSeeks_()){this.consecutiveUpdates=0;this.lastRecordedTime=this.tech_.currentTime();return}if(this.tech_.paused()||this.tech_.seeking()){return}var e=this.tech_.currentTime(),t=this.tech_.buffered();if(this.lastRecordedTime===e&&(!t.length||e+Gu>=t.end(t.length-1))){return this.techWaiting_()}if(5<=this.consecutiveUpdates&&e===this.lastRecordedTime){this.consecutiveUpdates++;this.waiting_()}else if(e===this.lastRecordedTime){this.consecutiveUpdates++}else{this.consecutiveUpdates=0;this.lastRecordedTime=e}}},{key:"cancelTimer_",value:function(){this.consecutiveUpdates=0;if(this.timer_){this.logger_("cancelTimer_");clearTimeout(this.timer_)}this.timer_=null}},{key:"fixesBadSeeks_",value:function(){var e=this.tech_.seeking();if(!e){return!1}var t=this.seekable(),a=this.tech_.currentTime(),n=this.afterSeekableWindow_(t,a,this.media(),this.allowSeeksWithinUnsafeLiveWindow),r=void 0;if(n){var i=t.end(t.length-1);r=i}if(this.beforeSeekableWindow_(t,a)){var s=t.start(0);r=s+Gu}if("undefined"!=typeof r){this.logger_("Trying to seek outside of seekable at time "+a+" with "+("seekable range "+Qu(t)+". Seeking to ")+(r+"."));this.seekTo(r);return!0}return!1}},{key:"waiting_",value:function(){if(this.techWaiting_()){return}var e=this.tech_.currentTime(),t=this.tech_.buffered(),a=Yu(t,e);if(a.length&&e+3<=a.end(0)){this.cancelTimer_();this.seekTo(e);this.logger_("Stopped at "+e+" while inside a buffered region "+("["+a.start(0)+" -> "+a.end(0)+"]. Attempting to resume playback by seeking to the current time."));this.tech_.trigger({type:"usage",name:"hls-unknown-waiting"})}}},{key:"techWaiting_",value:function(){var e=this.seekable(),t=this.tech_.currentTime();if(this.tech_.seeking()&&this.fixesBadSeeks_()){return!0}if(this.tech_.seeking()||null!==this.timer_){return!0}if(this.beforeSeekableWindow_(e,t)){var a=e.end(e.length-1);this.logger_("Fell out of live window at time "+t+". Seeking to "+("live point (seekable end) "+a));this.cancelTimer_();this.seekTo(a);this.tech_.trigger({type:"usage",name:"hls-live-resync"});return!0}var n=this.tech_.buffered(),r=Xu(n,t);if(this.videoUnderflow_(r,n,t)){this.cancelTimer_();this.seekTo(t);this.tech_.trigger({type:"usage",name:"hls-video-underflow"});return!0}if(0<r.length){var i=r.start(0)-t;this.logger_("Stopped at "+t+", setting timer for "+i+", seeking "+("to "+r.start(0)));this.timer_=setTimeout(this.skipTheGap_.bind(this),1e3*i,t);return!0}return!1}},{key:"afterSeekableWindow_",value:function(e,t,a){var n=3<arguments.length&&arguments[3]!==void 0?arguments[3]:!1;if(!e.length){return!1}var r=e.end(e.length-1)+Gu,i=!a.endList;if(i&&n){r=e.end(e.length-1)+3*a.targetDuration}if(t>r){return!0}return!1}},{key:"beforeSeekableWindow_",value:function(e,t){if(e.length&&0<e.start(0)&&t<e.start(0)-Gu){return!0}return!1}},{key:"videoUnderflow_",value:function(e,t,a){if(0===e.length){var n=this.gapFromVideoUnderflow_(t,a);if(n){this.logger_("Encountered a gap in video from "+n.start+" to "+n.end+". "+("Seeking to current time "+a));return!0}}return!1}},{key:"skipTheGap_",value:function(e){var t=this.tech_.buffered(),a=this.tech_.currentTime(),n=Xu(t,a);this.cancelTimer_();if(0===n.length||a!==e){return}this.logger_("skipTheGap_:","currentTime:",a,"scheduled currentTime:",e,"nextRange start:",n.start(0));this.seekTo(n.start(0)+zu);this.tech_.trigger({type:"usage",name:"hls-gap-skip"})}},{key:"gapFromVideoUnderflow_",value:function(e,t){for(var a=$u(e),n=0;n<a.length;n++){var r=a.start(n),s=a.end(n);if(4>t-r&&2<t-r){return{start:r,end:s}}}return null}}]);return t}(),ng={errorInterval:30,getSource:function(e){var t=this.tech({IWillNotUseThisInPlugins:!0}),a=t.currentSource_;return e(a)}},rg=function a(e,t){var n=0,r=0,i=Hi.mergeOptions(ng,t);e.ready(function(){e.trigger({type:"usage",name:"hls-error-reload-initialized"})});var s=function(){if(r){e.currentTime(r)}},o=function(t){if(null===t||t===void 0){return}r=e.duration()!==1/0&&e.currentTime()||0;e.one("loadedmetadata",s);e.src(t);e.trigger({type:"usage",name:"hls-error-reload"});e.play()},l=function(){if(Date.now()-n<1e3*i.errorInterval){e.trigger({type:"usage",name:"hls-error-reload-canceled"});return}if(!i.getSource||"function"!=typeof i.getSource){Hi.log.error("ERROR: reloadSourceOnError - The option getSource must be a function!");return}n=Date.now();return i.getSource.call(e,o)},d=function t(){e.off("loadedmetadata",s);e.off("error",l);e.off("dispose",t)};e.on("error",l);e.on("dispose",d);e.reloadSourceOnError=function(t){d();a(e,t)}},ig=function(e){rg(this,e)};Hi.use("*",function(e){return{setSource:function(e,t){t(null,e)},setCurrentTime:function(t){if(e.vhs&&e.currentSource().src===e.vhs.source_.src){e.vhs.setCurrentTime(t)}return t},play:function(){if(e.vhs&&e.currentSource().src===e.vhs.source_.src){e.vhs.setCurrentTime(e.tech_.currentTime())}}}});var sg={PlaylistLoader:eu,Playlist:vu,Decrypter:Rp,AsyncStream:wp,decrypt:Op,utils:Nu,STANDARD_PLAYLIST_SELECTOR:function(){return _m(this.playlists.master,this.systemBandwidth,parseInt(mm(this.tech_.el(),"width"),10),parseInt(mm(this.tech_.el(),"height"),10),this.limitRenditionByPlayerDimensions)},INITIAL_PLAYLIST_SELECTOR:function(){var e=this.playlists.master.playlists.filter(vu.isEnabled);gm(e,function(e,t){return ym(e,t)});var t=e.filter(function(e){return Tc(e.attributes.CODECS).videoCodec});return t[0]||null},comparePlaylistBandwidth:ym,comparePlaylistResolution:hm,xhr:Cu()};["GOAL_BUFFER_LENGTH","MAX_GOAL_BUFFER_LENGTH","GOAL_BUFFER_LENGTH_RATE","BUFFER_LOW_WATER_LINE","MAX_BUFFER_LOW_WATER_LINE","BUFFER_LOW_WATER_LINE_RATE","BANDWIDTH_VARIANCE"].forEach(function(e){Object.defineProperty(sg,e,{get:function(){Hi.log.warn("using Hls."+e+" is UNSAFE be sure you know what you are doing");return em[e]},set:function(t){Hi.log.warn("using Hls."+e+" is UNSAFE be sure you know what you are doing");if("number"!=typeof t||0>t){Hi.log.warn("value of Hls."+e+" must be greater than or equal to 0");return}em[e]=t}})});var og=function(e){if(/^(audio|video|application)\/(x-|vnd\.apple\.)?mpegurl/i.test(e)){return"hls"}if(/^application\/dash\+xml/i.test(e)){return"dash"}return null},lg=function(e,t){for(var a=t.media(),n=-1,r=0;r<e.length;r++){if(e[r].id===a.id){n=r;break}}e.selectedIndex_=n;e.trigger({selectedIndex:n,type:"change"})},dg=function(e,t){t.representations().forEach(function(t){e.addQualityLevel(t)});lg(e,t.playlists)};sg.canPlaySource=function(){return Hi.log.warn("HLS is no longer a tech. Please remove it from your player's techOrder.")};var pg=function(e,t,a){if(!e){return e}var n=void 0,r=void 0;if(a.mimeType_){n=t.mimeType_;r=a.mimeType_}else{var i=Ic(t.mimeType_),s=i.parameters.codecs.split(","),o=void 0,l=void 0;s.forEach(function(e){e=e.trim();if(xc(e)){o=e}else if(Lc(e)){l=e}});n=i.type+"; codecs=\""+l+"\"";r=i.type.replace("video","audio")+"; codecs=\""+o+"\""}var d={},p=t.playlist_;for(var u in e){d[u]={audioContentType:r,videoContentType:n};if(p.contentProtection&&p.contentProtection[u]&&p.contentProtection[u].pssh){d[u].pssh=p.contentProtection[u].pssh}if("string"==typeof e[u]){d[u].url=e[u]}}return Hi.mergeOptions(e,d)},ug=function(e){var t=e.masterPlaylistController_.mainSegmentLoader_,a=e.masterPlaylistController_.audioSegmentLoader_,n=Hi.players[e.tech_.options_.playerId];if(n.eme){var r=pg(e.source_.keySystems,t,a);if(r){n.currentSource().keySystems=r;if(!(11===Hi.browser.IE_VERSION)&&n.eme.initializeMediaKeys){n.eme.initializeMediaKeys()}}}},cg=function(){if(!window.localStorage){return null}var e=window.localStorage.getItem("videojs-vhs");if(!e){return null}try{return JSON.parse(e)}catch(t){return null}},mg=function(e){if(!window.localStorage){return!1}var t=cg();t=t?Hi.mergeOptions(t,e):e;try{window.localStorage.setItem("videojs-vhs",JSON.stringify(t))}catch(t){return!1}return t};sg.supportsNativeHls=function(){var e=t.createElement("video");if(!Hi.getTech("Html5").isSupported()){return!1}return["application/vnd.apple.mpegurl","audio/mpegurl","audio/x-mpegurl","application/x-mpegurl","video/x-mpegurl","video/mpegurl","application/mpegurl"].some(function(t){return /maybe|probably/i.test(e.canPlayType(t))})}();sg.supportsNativeDash=function(){if(!Hi.getTech("Html5").isSupported()){return!1}return /maybe|probably/i.test(t.createElement("video").canPlayType("application/dash+xml"))}();sg.supportsTypeNatively=function(e){if("hls"===e){return sg.supportsNativeHls}if("dash"===e){return sg.supportsNativeDash}return!1};sg.isSupported=function(){return Hi.log.warn("HLS is no longer a tech. Please remove it from your player's techOrder.")};var gg=Hi.getComponent("Component"),yg=function(e){Fp(a,e);function a(e,n,r){Mp(this,a);var i=Hp(this,(a.__proto__||Object.getPrototypeOf(a)).call(this,n,r.hls));if(n.options_&&n.options_.playerId){var s=Hi(n.options_.playerId);if(!s.hasOwnProperty("hls")){Object.defineProperty(s,"hls",{get:function(){Hi.log.warn("player.hls is deprecated. Use player.tech().hls instead.");n.trigger({type:"usage",name:"hls-player-access"});return i},configurable:!0})}s.vhs=i;s.dash=i;i.player_=s}i.tech_=n;i.source_=e;i.stats={};i.setOptions_();if(i.options_.overrideNative&&n.overrideNativeAudioTracks&&n.overrideNativeVideoTracks){n.overrideNativeAudioTracks(!0);n.overrideNativeVideoTracks(!0)}else if(i.options_.overrideNative&&(n.featuresNativeVideoTracks||n.featuresNativeAudioTracks)){throw new Error("Overriding native HLS requires emulated tracks. See https://git.io/vMpjB")}i.on(t,["fullscreenchange","webkitfullscreenchange","mozfullscreenchange","MSFullscreenChange"],function(){var e=t.fullscreenElement||t.webkitFullscreenElement||t.mozFullScreenElement||t.msFullscreenElement;if(e&&e.contains(i.tech_.el())){i.masterPlaylistController_.smoothQualityChange_()}});i.on(i.tech_,"seeking",function(){if(0===this.tech_.currentTime()&&this.tech_.player_.loop()){this.setCurrentTime(0)}});i.on(i.tech_,"error",function(){if(this.masterPlaylistController_){this.masterPlaylistController_.pauseLoading()}});i.on(i.tech_,"play",i.play);return i}Bp(a,[{key:"setOptions_",value:function(){var e=this;this.options_.withCredentials=this.options_.withCredentials||!1;this.options_.handleManifestRedirects=this.options_.handleManifestRedirects||!1;this.options_.limitRenditionByPlayerDimensions=!1===this.options_.limitRenditionByPlayerDimensions?!1:!0;this.options_.smoothQualityChange=this.options_.smoothQualityChange||!1;this.options_.useBandwidthFromLocalStorage="undefined"!=typeof this.source_.useBandwidthFromLocalStorage?this.source_.useBandwidthFromLocalStorage:this.options_.useBandwidthFromLocalStorage||!1;this.options_.customTagParsers=this.options_.customTagParsers||[];this.options_.customTagMappers=this.options_.customTagMappers||[];this.options_.cacheEncryptionKeys=this.options_.cacheEncryptionKeys||!1;if("number"!=typeof this.options_.blacklistDuration){this.options_.blacklistDuration=300}if("number"!=typeof this.options_.bandwidth){if(this.options_.useBandwidthFromLocalStorage){var t=cg();if(t&&t.bandwidth){this.options_.bandwidth=t.bandwidth;this.tech_.trigger({type:"usage",name:"hls-bandwidth-from-local-storage"})}if(t&&t.throughput){this.options_.throughput=t.throughput;this.tech_.trigger({type:"usage",name:"hls-throughput-from-local-storage"})}}}if("number"!=typeof this.options_.bandwidth){this.options_.bandwidth=em.INITIAL_BANDWIDTH}this.options_.enableLowInitialPlaylist=this.options_.enableLowInitialPlaylist&&this.options_.bandwidth===em.INITIAL_BANDWIDTH;["withCredentials","limitRenditionByPlayerDimensions","bandwidth","smoothQualityChange","customTagParsers","customTagMappers","handleManifestRedirects","cacheEncryptionKeys"].forEach(function(t){if("undefined"!=typeof e.source_[t]){e.options_[t]=e.source_[t]}});this.limitRenditionByPlayerDimensions=this.options_.limitRenditionByPlayerDimensions}},{key:"src",value:function(e,t){var a=this;if(!e){return}this.setOptions_();this.options_.url=this.source_.src;this.options_.tech=this.tech_;this.options_.externHls=sg;this.options_.sourceType=og(t);this.options_.seekTo=function(e){a.tech_.setCurrentTime(e);a.setCurrentTime(e)};this.masterPlaylistController_=new Qm(this.options_);this.playbackWatcher_=new ag(Hi.mergeOptions(this.options_,{seekable:function(){return a.seekable()},media:function(){return a.masterPlaylistController_.media()}}));this.masterPlaylistController_.on("error",function(){var e=Hi.players[a.tech_.options_.playerId];e.error(a.masterPlaylistController_.error)});this.masterPlaylistController_.selectPlaylist=this.selectPlaylist?this.selectPlaylist.bind(this):sg.STANDARD_PLAYLIST_SELECTOR.bind(this);this.masterPlaylistController_.selectInitialPlaylist=sg.INITIAL_PLAYLIST_SELECTOR.bind(this);this.playlists=this.masterPlaylistController_.masterPlaylistLoader_;this.mediaSource=this.masterPlaylistController_.mediaSource;Object.defineProperties(this,{selectPlaylist:{get:function(){return this.masterPlaylistController_.selectPlaylist},set:function(e){this.masterPlaylistController_.selectPlaylist=e.bind(this)}},throughput:{get:function(){return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate},set:function(e){this.masterPlaylistController_.mainSegmentLoader_.throughput.rate=e;this.masterPlaylistController_.mainSegmentLoader_.throughput.count=1}},bandwidth:{get:function(){return this.masterPlaylistController_.mainSegmentLoader_.bandwidth},set:function(e){this.masterPlaylistController_.mainSegmentLoader_.bandwidth=e;this.masterPlaylistController_.mainSegmentLoader_.throughput={rate:0,count:0}}},systemBandwidth:{get:function(){var e=1/(this.bandwidth||1),t=void 0;if(0<this.throughput){t=1/this.throughput}else{t=0}var a=Math.floor(1/(e+t));return a},set:function(){Hi.log.error("The \"systemBandwidth\" property is read-only")}}});if(this.options_.bandwidth){this.bandwidth=this.options_.bandwidth}if(this.options_.throughput){this.throughput=this.options_.throughput}Object.defineProperties(this.stats,{bandwidth:{get:function(){return a.bandwidth||0},enumerable:!0},mediaRequests:{get:function(){return a.masterPlaylistController_.mediaRequests_()||0},enumerable:!0},mediaRequestsAborted:{get:function(){return a.masterPlaylistController_.mediaRequestsAborted_()||0},enumerable:!0},mediaRequestsTimedout:{get:function(){return a.masterPlaylistController_.mediaRequestsTimedout_()||0},enumerable:!0},mediaRequestsErrored:{get:function(){return a.masterPlaylistController_.mediaRequestsErrored_()||0},enumerable:!0},mediaTransferDuration:{get:function(){return a.masterPlaylistController_.mediaTransferDuration_()||0},enumerable:!0},mediaBytesTransferred:{get:function(){return a.masterPlaylistController_.mediaBytesTransferred_()||0},enumerable:!0},mediaSecondsLoaded:{get:function(){return a.masterPlaylistController_.mediaSecondsLoaded_()||0},enumerable:!0},buffered:{get:function(){return Zu(a.tech_.buffered())},enumerable:!0},currentTime:{get:function(){return a.tech_.currentTime()},enumerable:!0},currentSource:{get:function(){return a.tech_.currentSource_},enumerable:!0},currentTech:{get:function(){return a.tech_.name_},enumerable:!0},duration:{get:function(){return a.tech_.duration()},enumerable:!0},master:{get:function(){return a.playlists.master},enumerable:!0},playerDimensions:{get:function(){return a.tech_.currentDimensions()},enumerable:!0},seekable:{get:function(){return Zu(a.tech_.seekable())},enumerable:!0},timestamp:{get:function(){return Date.now()},enumerable:!0},videoPlaybackQuality:{get:function(){return a.tech_.getVideoPlaybackQuality()},enumerable:!0}});this.tech_.one("canplay",this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_));this.tech_.on("bandwidthupdate",function(){if(a.options_.useBandwidthFromLocalStorage){mg({bandwidth:a.bandwidth,throughput:Math.round(a.throughput)})}});this.masterPlaylistController_.on("selectedinitialmedia",function(){eg(a);ug(a)});this.on(this.masterPlaylistController_,"progress",function(){this.tech_.trigger("progress")});this.setupQualityLevels_();if(!this.tech_.el()){return}this.tech_.src(Hi.URL.createObjectURL(this.masterPlaylistController_.mediaSource))}},{key:"setupQualityLevels_",value:function(){var e=this,t=Hi.players[this.tech_.options_.playerId];if(!t||!t.qualityLevels||this.qualityLevels_){return}this.qualityLevels_=t.qualityLevels();this.masterPlaylistController_.on("selectedinitialmedia",function(){dg(e.qualityLevels_,e)});this.playlists.on("mediachange",function(){lg(e.qualityLevels_,e.playlists)})}},{key:"play",value:function(){this.masterPlaylistController_.play()}},{key:"setCurrentTime",value:function(e){this.masterPlaylistController_.setCurrentTime(e)}},{key:"duration",value:function(){return this.masterPlaylistController_.duration()}},{key:"seekable",value:function(){return this.masterPlaylistController_.seekable()}},{key:"dispose",value:function(){if(this.playbackWatcher_){this.playbackWatcher_.dispose()}if(this.masterPlaylistController_){this.masterPlaylistController_.dispose()}if(this.qualityLevels_){this.qualityLevels_.dispose()}if(this.player_){delete this.player_.vhs;delete this.player_.dash;delete this.player_.hls}if(this.tech_&&this.tech_.hls){delete this.tech_.hls}jp(a.prototype.__proto__||Object.getPrototypeOf(a.prototype),"dispose",this).call(this)}},{key:"convertToProgramTime",value:function(e,t){return Vu({playlist:this.masterPlaylistController_.media(),time:e,callback:t})}},{key:"seekToProgramTime",value:function(e,t){var a=2<arguments.length&&arguments[2]!==void 0?arguments[2]:!0,n=3<arguments.length&&arguments[3]!==void 0?arguments[3]:2;return Wu({programTime:e,playlist:this.masterPlaylistController_.media(),retryCount:n,pauseAfterSeek:a,seekTo:this.options_.seekTo,tech:this.options_.tech,callback:t})}}]);return a}(gg),hg={name:"videojs-http-streaming",VERSION:"1.12.3",canHandleSource:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{},a=Hi.mergeOptions(Hi.options,t);return hg.canPlayType(e.type,a)},handleSource:function(e,t){var a=2<arguments.length&&arguments[2]!==void 0?arguments[2]:{},n=Hi.mergeOptions(Hi.options,a);t.hls=new yg(e,t,n);t.hls.xhr=Cu();t.hls.src(e.src,e.type);return t.hls},canPlayType:function(e){var t=1<arguments.length&&arguments[1]!==void 0?arguments[1]:{},a=Hi.mergeOptions(Hi.options,t),n=a.hls.overrideNative,r=og(e),i=r&&(!sg.supportsTypeNatively(r)||n);return i?"maybe":""}};if("undefined"==typeof Hi.MediaSource||"undefined"==typeof Hi.URL){Hi.MediaSource=Fc;Hi.URL=Hc}if(Fc.supportsNativeMediaSources()){Hi.getTech("Html5").registerSourceHandler(hg,0)}Hi.HlsHandler=yg;Hi.HlsSourceHandler=hg;Hi.Hls=sg;if(!Hi.use){Hi.registerComponent("Hls",sg)}Hi.options.hls=Hi.options.hls||{};if(Hi.registerPlugin){Hi.registerPlugin("reloadSourceOnError",ig)}else{Hi.plugin("reloadSourceOnError",ig)}return Hi});
-//# sourceMappingURL=video-lazy.min.js.map
+function _typeof2(obj){return _typeof2="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof2(obj)
+/**
+ * @license
+ * Video.js 7.7.6 <http://videojs.com/>
+ * Copyright Brightcove, Inc. <https://www.brightcove.com/>
+ * Available under Apache License Version 2.0
+ * <https://github.com/videojs/video.js/blob/master/LICENSE>
+ *
+ * Includes vtt.js <https://github.com/mozilla/vtt.js>
+ * Available under Apache License Version 2.0
+ * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>
+ */}var global,factory;global=window,factory=function(window$3,document){window$3=window$3&&window$3.hasOwnProperty("default")?window$3.default:window$3,document=document&&document.hasOwnProperty("default")?document.default:document;var history=[],log=function createLogger(name){var logByType,level="info",log=function(){for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];logByType("log",level,args)};return logByType=function(name,log){return function(type,level,args){var lvl=log.levels[level],lvlRegExp=new RegExp("^("+lvl+")$");if("log"!==type&&args.unshift(type.toUpperCase()+":"),args.unshift(name+":"),history){history.push([].concat(args));var splice=history.length-1e3;history.splice(0,splice>0?splice:0)}if(window$3.console){var fn=window$3.console[type];fn||"debug"!==type||(fn=window$3.console.info||window$3.console.log),fn&&lvl&&lvlRegExp.test(type)&&fn[Array.isArray(args)?"apply":"call"](window$3.console,args)}}}(name,log),log.createLogger=function(subname){return createLogger(name+": "+subname)},log.levels={all:"debug|log|warn|error",off:"",debug:"debug|log|warn|error",info:"log|warn|error",warn:"warn|error",error:"error",DEFAULT:level},log.level=function(lvl){if("string"==typeof lvl){if(!log.levels.hasOwnProperty(lvl))throw new Error('"'+lvl+'" in not a valid log level');level=lvl}return level},(log.history=function(){return history?[].concat(history):[]}).filter=function(fname){return(history||[]).filter((function(historyItem){return new RegExp(".*"+fname+".*").test(historyItem[0])}))},log.history.clear=function(){history&&(history.length=0)},log.history.disable=function(){null!==history&&(history.length=0,history=null)},log.history.enable=function(){null===history&&(history=[])},log.error=function(){for(var _len2=arguments.length,args=new Array(_len2),_key2=0;_key2<_len2;_key2++)args[_key2]=arguments[_key2];return logByType("error",level,args)},log.warn=function(){for(var _len3=arguments.length,args=new Array(_len3),_key3=0;_key3<_len3;_key3++)args[_key3]=arguments[_key3];return logByType("warn",level,args)},log.debug=function(){for(var _len4=arguments.length,args=new Array(_len4),_key4=0;_key4<_len4;_key4++)args[_key4]=arguments[_key4];return logByType("debug",level,args)},log}("VIDEOJS"),createLogger$1=log.createLogger;function createCommonjsModule(fn,module){return fn(module={exports:{}},module.exports),module.exports}var _extends_1=createCommonjsModule((function(module){function _extends(){return module.exports=_extends=Object.assign||function(target){for(var i=1;i<arguments.length;i++){var source=arguments[i];for(var key in source)Object.prototype.hasOwnProperty.call(source,key)&&(target[key]=source[key])}return target},_extends.apply(this,arguments)}module.exports=_extends})),toString=Object.prototype.toString,keys=function(object){return isObject(object)?Object.keys(object):[]};function each(object,fn){keys(object).forEach((function(key){return fn(object[key],key)}))}function assign(target){for(var _len=arguments.length,sources=new Array(_len>1?_len-1:0),_key=1;_key<_len;_key++)sources[_key-1]=arguments[_key];return Object.assign?_extends_1.apply(void 0,[target].concat(sources)):(sources.forEach((function(source){source&&each(source,(function(value,key){target[key]=value}))})),target)}function isObject(value){return!!value&&"object"===_typeof2(value)}function isPlain(value){return isObject(value)&&"[object Object]"===toString.call(value)&&value.constructor===Object}function computedStyle(el,prop){if(!el||!prop)return"";if("function"==typeof window$3.getComputedStyle){var computedStyleValue=window$3.getComputedStyle(el);return computedStyleValue?computedStyleValue.getPropertyValue(prop)||computedStyleValue[prop]:""}return""}function isNonBlankString(str){return"string"==typeof str&&Boolean(str.trim())}function throwIfWhitespace(str){if(str.indexOf(" ")>=0)throw new Error("class has illegal whitespace characters")}function isReal(){return document===window$3.document}function isEl(value){return isObject(value)&&1===value.nodeType}function isInFrame(){try{return window$3.parent!==window$3.self}catch(x){return!0}}function createQuerier(method){return function(selector,context){if(!isNonBlankString(selector))return document[method](null);isNonBlankString(context)&&(context=document.querySelector(context));var ctx=isEl(context)?context:document;return ctx[method]&&ctx[method](selector)}}function createEl(tagName,properties,attributes,content){void 0===tagName&&(tagName="div"),void 0===properties&&(properties={}),void 0===attributes&&(attributes={});var el=document.createElement(tagName);return Object.getOwnPropertyNames(properties).forEach((function(propName){var val=properties[propName];-1!==propName.indexOf("aria-")||"role"===propName||"type"===propName?(log.warn("Setting attributes in the second argument of createEl()\nhas been deprecated. Use the third argument instead.\ncreateEl(type, properties, attributes). Attempting to set "+propName+" to "+val+"."),el.setAttribute(propName,val)):"textContent"===propName?textContent(el,val):el[propName]!==val&&(el[propName]=val)})),Object.getOwnPropertyNames(attributes).forEach((function(attrName){el.setAttribute(attrName,attributes[attrName])})),content&&appendContent(el,content),el}function textContent(el,text){return void 0===el.textContent?el.innerText=text:el.textContent=text,el}function prependTo(child,parent){parent.firstChild?parent.insertBefore(child,parent.firstChild):parent.appendChild(child)}function hasClass(element,classToCheck){return throwIfWhitespace(classToCheck),element.classList?element.classList.contains(classToCheck):(className=classToCheck,new RegExp("(^|\\s)"+className+"($|\\s)")).test(element.className);var className}function addClass(element,classToAdd){return element.classList?element.classList.add(classToAdd):hasClass(element,classToAdd)||(element.className=(element.className+" "+classToAdd).trim()),element}function removeClass(element,classToRemove){return element.classList?element.classList.remove(classToRemove):(throwIfWhitespace(classToRemove),element.className=element.className.split(/\s+/).filter((function(c){return c!==classToRemove})).join(" ")),element}function toggleClass(element,classToToggle,predicate){var has=hasClass(element,classToToggle);if("function"==typeof predicate&&(predicate=predicate(element,classToToggle)),"boolean"!=typeof predicate&&(predicate=!has),predicate!==has)return predicate?addClass(element,classToToggle):removeClass(element,classToToggle),element}function setAttributes(el,attributes){Object.getOwnPropertyNames(attributes).forEach((function(attrName){var attrValue=attributes[attrName];null==attrValue||!1===attrValue?el.removeAttribute(attrName):el.setAttribute(attrName,!0===attrValue?"":attrValue)}))}function getAttributes(tag){var obj={},knownBooleans=",autoplay,controls,playsinline,loop,muted,default,defaultMuted,";if(tag&&tag.attributes&&tag.attributes.length>0)for(var attrs=tag.attributes,i=attrs.length-1;i>=0;i--){var attrName=attrs[i].name,attrVal=attrs[i].value;"boolean"!=typeof tag[attrName]&&-1===knownBooleans.indexOf(","+attrName+",")||(attrVal=null!==attrVal),obj[attrName]=attrVal}return obj}function getAttribute(el,attribute){return el.getAttribute(attribute)}function setAttribute(el,attribute,value){el.setAttribute(attribute,value)}function removeAttribute(el,attribute){el.removeAttribute(attribute)}function blockTextSelection(){document.body.focus(),document.onselectstart=function(){return!1}}function unblockTextSelection(){document.onselectstart=function(){return!0}}function getBoundingClientRect(el){if(el&&el.getBoundingClientRect&&el.parentNode){var rect=el.getBoundingClientRect(),result={};return["bottom","height","left","right","top","width"].forEach((function(k){void 0!==rect[k]&&(result[k]=rect[k])})),result.height||(result.height=parseFloat(computedStyle(el,"height"))),result.width||(result.width=parseFloat(computedStyle(el,"width"))),result}}function findPosition(el){var box;if(el.getBoundingClientRect&&el.parentNode&&(box=el.getBoundingClientRect()),!box)return{left:0,top:0};var docEl=document.documentElement,body=document.body,clientLeft=docEl.clientLeft||body.clientLeft||0,scrollLeft=window$3.pageXOffset||body.scrollLeft,left=box.left+scrollLeft-clientLeft,clientTop=docEl.clientTop||body.clientTop||0,scrollTop=window$3.pageYOffset||body.scrollTop,top=box.top+scrollTop-clientTop;return{left:Math.round(left),top:Math.round(top)}}function getPointerPosition(el,event){var position={},box=findPosition(el),boxW=el.offsetWidth,boxH=el.offsetHeight,boxY=box.top,boxX=box.left,pageY=event.pageY,pageX=event.pageX;return event.changedTouches&&(pageX=event.changedTouches[0].pageX,pageY=event.changedTouches[0].pageY),position.y=Math.max(0,Math.min(1,(boxY-pageY+boxH)/boxH)),position.x=Math.max(0,Math.min(1,(pageX-boxX)/boxW)),position}function isTextNode(value){return isObject(value)&&3===value.nodeType}function emptyEl(el){for(;el.firstChild;)el.removeChild(el.firstChild);return el}function normalizeContent(content){return"function"==typeof content&&(content=content()),(Array.isArray(content)?content:[content]).map((function(value){return"function"==typeof value&&(value=value()),isEl(value)||isTextNode(value)?value:"string"==typeof value&&/\S/.test(value)?document.createTextNode(value):void 0})).filter((function(value){return value}))}function appendContent(el,content){return normalizeContent(content).forEach((function(node){return el.appendChild(node)})),el}function insertContent(el,content){return appendContent(emptyEl(el),content)}function isSingleLeftClick(event){return void 0===event.button&&void 0===event.buttons||0===event.button&&void 0===event.buttons||"mouseup"===event.type&&0===event.button&&0===event.buttons||0===event.button&&1===event.buttons}var videojs,$=createQuerier("querySelector"),$$=createQuerier("querySelectorAll"),Dom=Object.freeze({isReal:isReal,isEl:isEl,isInFrame:isInFrame,createEl:createEl,textContent:textContent,prependTo:prependTo,hasClass:hasClass,addClass:addClass,removeClass:removeClass,toggleClass:toggleClass,setAttributes:setAttributes,getAttributes:getAttributes,getAttribute:getAttribute,setAttribute:setAttribute,removeAttribute:removeAttribute,blockTextSelection:blockTextSelection,unblockTextSelection:unblockTextSelection,getBoundingClientRect:getBoundingClientRect,findPosition:findPosition,getPointerPosition:getPointerPosition,isTextNode:isTextNode,emptyEl:emptyEl,normalizeContent:normalizeContent,appendContent:appendContent,insertContent:insertContent,isSingleLeftClick:isSingleLeftClick,$:$,$$:$$}),_windowLoaded=!1,autoSetup=function(){if(isReal()&&!1!==videojs.options.autoSetup){var vids=Array.prototype.slice.call(document.getElementsByTagName("video")),audios=Array.prototype.slice.call(document.getElementsByTagName("audio")),divs=Array.prototype.slice.call(document.getElementsByTagName("video-js")),mediaEls=vids.concat(audios,divs);if(mediaEls&&mediaEls.length>0)for(var i=0,e=mediaEls.length;i<e;i++){var mediaEl=mediaEls[i];if(!mediaEl||!mediaEl.getAttribute){autoSetupTimeout(1);break}void 0===mediaEl.player&&null!==mediaEl.getAttribute("data-setup")&&videojs(mediaEl)}else _windowLoaded||autoSetupTimeout(1)}};function autoSetupTimeout(wait,vjs){vjs&&(videojs=vjs),window$3.setTimeout(autoSetup,wait)}function setWindowLoaded(){_windowLoaded=!0,window$3.removeEventListener("load",setWindowLoaded)}isReal()&&("complete"===document.readyState?setWindowLoaded():window$3.addEventListener("load",setWindowLoaded));var FakeWeakMap,createStyleElement=function(className){var style=document.createElement("style");return style.className=className,style},setTextContent=function(el,content){el.styleSheet?el.styleSheet.cssText=content:el.textContent=content},_guid=3;function newGUID(){return _guid++}window$3.WeakMap||(FakeWeakMap=function(){function FakeWeakMap(){this.vdata="vdata"+Math.floor(window$3.performance&&window$3.performance.now()||Date.now()),this.data={}}var _proto=FakeWeakMap.prototype;return _proto.set=function(key,value){var access=key[this.vdata]||newGUID();return key[this.vdata]||(key[this.vdata]=access),this.data[access]=value,this},_proto.get=function(key){var access=key[this.vdata];if(access)return this.data[access];log("We have no data for this element",key)},_proto.has=function(key){return key[this.vdata]in this.data},_proto.delete=function(key){var access=key[this.vdata];access&&(delete this.data[access],delete key[this.vdata])},FakeWeakMap}());var _supportsPassive,DomData=window$3.WeakMap?new WeakMap:new FakeWeakMap;function _cleanUpEvents(elem,type){if(DomData.has(elem)){var data=DomData.get(elem);0===data.handlers[type].length&&(delete data.handlers[type],elem.removeEventListener?elem.removeEventListener(type,data.dispatcher,!1):elem.detachEvent&&elem.detachEvent("on"+type,data.dispatcher)),Object.getOwnPropertyNames(data.handlers).length<=0&&(delete data.handlers,delete data.dispatcher,delete data.disabled),0===Object.getOwnPropertyNames(data).length&&DomData.delete(elem)}}function _handleMultipleEvents(fn,elem,types,callback){types.forEach((function(type){fn(elem,type,callback)}))}function fixEvent(event){if(event.fixed_)return event;function returnTrue(){return!0}function returnFalse(){return!1}if(!event||!event.isPropagationStopped){var old=event||window$3.event;for(var key in event={},old)"layerX"!==key&&"layerY"!==key&&"keyLocation"!==key&&"webkitMovementX"!==key&&"webkitMovementY"!==key&&("returnValue"===key&&old.preventDefault||(event[key]=old[key]));if(event.target||(event.target=event.srcElement||document),event.relatedTarget||(event.relatedTarget=event.fromElement===event.target?event.toElement:event.fromElement),event.preventDefault=function(){old.preventDefault&&old.preventDefault(),event.returnValue=!1,old.returnValue=!1,event.defaultPrevented=!0},event.defaultPrevented=!1,event.stopPropagation=function(){old.stopPropagation&&old.stopPropagation(),event.cancelBubble=!0,old.cancelBubble=!0,event.isPropagationStopped=returnTrue},event.isPropagationStopped=returnFalse,event.stopImmediatePropagation=function(){old.stopImmediatePropagation&&old.stopImmediatePropagation(),event.isImmediatePropagationStopped=returnTrue,event.stopPropagation()},event.isImmediatePropagationStopped=returnFalse,null!==event.clientX&&void 0!==event.clientX){var doc=document.documentElement,body=document.body;event.pageX=event.clientX+(doc&&doc.scrollLeft||body&&body.scrollLeft||0)-(doc&&doc.clientLeft||body&&body.clientLeft||0),event.pageY=event.clientY+(doc&&doc.scrollTop||body&&body.scrollTop||0)-(doc&&doc.clientTop||body&&body.clientTop||0)}event.which=event.charCode||event.keyCode,null!==event.button&&void 0!==event.button&&(event.button=1&event.button?0:4&event.button?1:2&event.button?2:0)}return event.fixed_=!0,event}var passiveEvents=["touchstart","touchmove"];function on(elem,type,fn){if(Array.isArray(type))return _handleMultipleEvents(on,elem,type,fn);DomData.has(elem)||DomData.set(elem,{});var data=DomData.get(elem);if(data.handlers||(data.handlers={}),data.handlers[type]||(data.handlers[type]=[]),fn.guid||(fn.guid=newGUID()),data.handlers[type].push(fn),data.dispatcher||(data.disabled=!1,data.dispatcher=function(event,hash){if(!data.disabled){event=fixEvent(event);var handlers=data.handlers[event.type];if(handlers)for(var handlersCopy=handlers.slice(0),m=0,n=handlersCopy.length;m<n&&!event.isImmediatePropagationStopped();m++)try{handlersCopy[m].call(elem,event,hash)}catch(e){log.error(e)}}}),1===data.handlers[type].length)if(elem.addEventListener){var options=!1;(function(){if("boolean"!=typeof _supportsPassive){_supportsPassive=!1;try{var opts=Object.defineProperty({},"passive",{get:function(){_supportsPassive=!0}});window$3.addEventListener("test",null,opts),window$3.removeEventListener("test",null,opts)}catch(e){}}return _supportsPassive})()&&passiveEvents.indexOf(type)>-1&&(options={passive:!0}),elem.addEventListener(type,data.dispatcher,options)}else elem.attachEvent&&elem.attachEvent("on"+type,data.dispatcher)}function off(elem,type,fn){if(DomData.has(elem)){var data=DomData.get(elem);if(data.handlers){if(Array.isArray(type))return _handleMultipleEvents(off,elem,type,fn);var removeType=function(el,t){data.handlers[t]=[],_cleanUpEvents(el,t)};if(void 0!==type){var handlers=data.handlers[type];if(handlers)if(fn){if(fn.guid)for(var n=0;n<handlers.length;n++)handlers[n].guid===fn.guid&&handlers.splice(n--,1);_cleanUpEvents(elem,type)}else removeType(elem,type)}else for(var t in data.handlers)Object.prototype.hasOwnProperty.call(data.handlers||{},t)&&removeType(elem,t)}}}function trigger(elem,event,hash){var elemData=DomData.has(elem)?DomData.get(elem):{},parent=elem.parentNode||elem.ownerDocument;if("string"==typeof event?event={type:event,target:elem}:event.target||(event.target=elem),event=fixEvent(event),elemData.dispatcher&&elemData.dispatcher.call(elem,event,hash),parent&&!event.isPropagationStopped()&&!0===event.bubbles)trigger.call(null,parent,event,hash);else if(!parent&&!event.defaultPrevented&&event.target&&event.target[event.type]){DomData.has(event.target)||DomData.set(event.target,{});var targetData=DomData.get(event.target);event.target[event.type]&&(targetData.disabled=!0,"function"==typeof event.target[event.type]&&event.target[event.type](),targetData.disabled=!1)}return!event.defaultPrevented}function one(elem,type,fn){if(Array.isArray(type))return _handleMultipleEvents(one,elem,type,fn);var func=function func(){off(elem,type,func),fn.apply(this,arguments)};func.guid=fn.guid=fn.guid||newGUID(),on(elem,type,func)}function any(elem,type,fn){var func=function func(){off(elem,type,func),fn.apply(this,arguments)};func.guid=fn.guid=fn.guid||newGUID(),on(elem,type,func)}var EVENT_MAP,Events=Object.freeze({fixEvent:fixEvent,on:on,off:off,trigger:trigger,one:one,any:any}),bind=function(context,fn,uid){fn.guid||(fn.guid=newGUID());var bound=fn.bind(context);return bound.guid=uid?uid+"_"+fn.guid:fn.guid,bound},throttle=function(fn,wait){var last=window$3.performance.now();return function(){var now=window$3.performance.now();now-last>=wait&&(fn.apply(void 0,arguments),last=now)}},EventTarget=function(){};EventTarget.prototype.allowedEvents_={},EventTarget.prototype.on=function(type,fn){var ael=this.addEventListener;this.addEventListener=function(){},on(this,type,fn),this.addEventListener=ael},EventTarget.prototype.addEventListener=EventTarget.prototype.on,EventTarget.prototype.off=function(type,fn){off(this,type,fn)},EventTarget.prototype.removeEventListener=EventTarget.prototype.off,EventTarget.prototype.one=function(type,fn){var ael=this.addEventListener;this.addEventListener=function(){},one(this,type,fn),this.addEventListener=ael},EventTarget.prototype.any=function(type,fn){var ael=this.addEventListener;this.addEventListener=function(){},any(this,type,fn),this.addEventListener=ael},EventTarget.prototype.trigger=function(event){var type=event.type||event;"string"==typeof event&&(event={type:type}),event=fixEvent(event),this.allowedEvents_[type]&&this["on"+type]&&this["on"+type](event),trigger(this,event)},EventTarget.prototype.dispatchEvent=EventTarget.prototype.trigger,EventTarget.prototype.queueTrigger=function(event){var _this=this;EVENT_MAP||(EVENT_MAP=new Map);var type=event.type||event,map=EVENT_MAP.get(this);map||(map=new Map,EVENT_MAP.set(this,map));var oldTimeout=map.get(type);map.delete(type),window$3.clearTimeout(oldTimeout);var timeout=window$3.setTimeout((function(){0===map.size&&(map=null,EVENT_MAP.delete(_this)),_this.trigger(event)}),0);map.set(type,timeout)};var isEvented=function(object){return object instanceof EventTarget||!!object.eventBusEl_&&["on","one","off","trigger"].every((function(k){return"function"==typeof object[k]}))},isValidEventType=function(type){return"string"==typeof type&&/\S/.test(type)||Array.isArray(type)&&!!type.length},validateTarget=function(target){if(!target.nodeName&&!isEvented(target))throw new Error("Invalid target; must be a DOM node or evented object.")},validateEventType=function(type){if(!isValidEventType(type))throw new Error("Invalid event type; must be a non-empty string or array.")},validateListener=function(listener){if("function"!=typeof listener)throw new Error("Invalid listener; must be a function.")},normalizeListenArgs=function(self,args){var target,type,listener,isTargetingSelf=args.length<3||args[0]===self||args[0]===self.eventBusEl_;return isTargetingSelf?(target=self.eventBusEl_,args.length>=3&&args.shift(),type=args[0],listener=args[1]):(target=args[0],type=args[1],listener=args[2]),validateTarget(target),validateEventType(type),validateListener(listener),{isTargetingSelf:isTargetingSelf,target:target,type:type,listener:listener=bind(self,listener)}},listen=function(target,method,type,listener){validateTarget(target),target.nodeName?Events[method](target,type,listener):target[method](type,listener)},EventedMixin={on:function(){for(var _this=this,_len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];var _normalizeListenArgs=normalizeListenArgs(this,args),isTargetingSelf=_normalizeListenArgs.isTargetingSelf,target=_normalizeListenArgs.target,type=_normalizeListenArgs.type,listener=_normalizeListenArgs.listener;if(listen(target,"on",type,listener),!isTargetingSelf){var removeListenerOnDispose=function(){return _this.off(target,type,listener)};removeListenerOnDispose.guid=listener.guid;var removeRemoverOnTargetDispose=function(){return _this.off("dispose",removeListenerOnDispose)};removeRemoverOnTargetDispose.guid=listener.guid,listen(this,"on","dispose",removeListenerOnDispose),listen(target,"on","dispose",removeRemoverOnTargetDispose)}},one:function(){for(var _this2=this,_len2=arguments.length,args=new Array(_len2),_key2=0;_key2<_len2;_key2++)args[_key2]=arguments[_key2];var _normalizeListenArgs2=normalizeListenArgs(this,args),isTargetingSelf=_normalizeListenArgs2.isTargetingSelf,target=_normalizeListenArgs2.target,type=_normalizeListenArgs2.type,listener=_normalizeListenArgs2.listener;if(isTargetingSelf)listen(target,"one",type,listener);else{var wrapper=function wrapper(){_this2.off(target,type,wrapper);for(var _len3=arguments.length,largs=new Array(_len3),_key3=0;_key3<_len3;_key3++)largs[_key3]=arguments[_key3];listener.apply(null,largs)};wrapper.guid=listener.guid,listen(target,"one",type,wrapper)}},any:function(){for(var _this3=this,_len4=arguments.length,args=new Array(_len4),_key4=0;_key4<_len4;_key4++)args[_key4]=arguments[_key4];var _normalizeListenArgs3=normalizeListenArgs(this,args),isTargetingSelf=_normalizeListenArgs3.isTargetingSelf,target=_normalizeListenArgs3.target,type=_normalizeListenArgs3.type,listener=_normalizeListenArgs3.listener;if(isTargetingSelf)listen(target,"any",type,listener);else{var wrapper=function wrapper(){_this3.off(target,type,wrapper);for(var _len5=arguments.length,largs=new Array(_len5),_key5=0;_key5<_len5;_key5++)largs[_key5]=arguments[_key5];listener.apply(null,largs)};wrapper.guid=listener.guid,listen(target,"any",type,wrapper)}},off:function(targetOrType,typeOrListener,listener){if(!targetOrType||isValidEventType(targetOrType))off(this.eventBusEl_,targetOrType,typeOrListener);else{var target=targetOrType,type=typeOrListener;validateTarget(target),validateEventType(type),validateListener(listener),listener=bind(this,listener),this.off("dispose",listener),target.nodeName?(off(target,type,listener),off(target,"dispose",listener)):isEvented(target)&&(target.off(type,listener),target.off("dispose",listener))}},trigger:function(event,hash){return trigger(this.eventBusEl_,event,hash)}};function evented(target,options){void 0===options&&(options={});var eventBusKey=options.eventBusKey;if(eventBusKey){if(!target[eventBusKey].nodeName)throw new Error('The eventBusKey "'+eventBusKey+'" does not refer to an element.');target.eventBusEl_=target[eventBusKey]}else target.eventBusEl_=createEl("span",{className:"vjs-event-bus"});return assign(target,EventedMixin),target.eventedCallbacks&&target.eventedCallbacks.forEach((function(callback){callback()})),target.on("dispose",(function(){target.off(),window$3.setTimeout((function(){target.eventBusEl_=null}),0)})),target}var StatefulMixin={state:{},setState:function(stateUpdates){var changes,_this=this;return"function"==typeof stateUpdates&&(stateUpdates=stateUpdates()),each(stateUpdates,(function(value,key){_this.state[key]!==value&&((changes=changes||{})[key]={from:_this.state[key],to:value}),_this.state[key]=value})),changes&&isEvented(this)&&this.trigger({changes:changes,type:"statechanged"}),changes}};function stateful(target,defaultState){return assign(target,StatefulMixin),target.state=assign({},target.state,defaultState),"function"==typeof target.handleStateChanged&&isEvented(target)&&target.on("statechanged",target.handleStateChanged),target}var toLowerCase=function(string){return"string"!=typeof string?string:string.replace(/./,(function(w){return w.toLowerCase()}))},toTitleCase=function(string){return"string"!=typeof string?string:string.replace(/./,(function(w){return w.toUpperCase()}))};function mergeOptions(){for(var result={},_len=arguments.length,sources=new Array(_len),_key=0;_key<_len;_key++)sources[_key]=arguments[_key];return sources.forEach((function(source){source&&each(source,(function(value,key){isPlain(value)?(isPlain(result[key])||(result[key]={}),result[key]=mergeOptions(result[key],value)):result[key]=value}))})),result}var Component=function(){function Component(player,options,ready){if(!player&&this.play?this.player_=player=this:this.player_=player,this.isDisposed_=!1,this.parentComponent_=null,this.options_=mergeOptions({},this.options_),options=this.options_=mergeOptions(this.options_,options),this.id_=options.id||options.el&&options.el.id,!this.id_){var id=player&&player.id&&player.id()||"no_player";this.id_=id+"_component_"+newGUID()}var SetSham;this.name_=options.name||null,options.el?this.el_=options.el:!1!==options.createEl&&(this.el_=this.createEl()),!1!==options.evented&&evented(this,{eventBusKey:this.el_?"el_":null}),stateful(this,this.constructor.defaultState),this.children_=[],this.childIndex_={},this.childNameIndex_={},window$3.Set||(SetSham=function(){function SetSham(){this.set_={}}var _proto2=SetSham.prototype;return _proto2.has=function(key){return key in this.set_},_proto2.delete=function(key){var has=this.has(key);return delete this.set_[key],has},_proto2.add=function(key){return this.set_[key]=1,this},_proto2.forEach=function(callback,thisArg){for(var key in this.set_)callback.call(thisArg,key,key,this)},SetSham}()),this.setTimeoutIds_=window$3.Set?new Set:new SetSham,this.setIntervalIds_=window$3.Set?new Set:new SetSham,this.rafIds_=window$3.Set?new Set:new SetSham,this.clearingTimersOnDispose_=!1,!1!==options.initChildren&&this.initChildren(),this.ready(ready),!1!==options.reportTouchActivity&&this.enableTouchActivity()}var _proto=Component.prototype;return _proto.dispose=function(){if(!this.isDisposed_){if(this.trigger({type:"dispose",bubbles:!1}),this.isDisposed_=!0,this.children_)for(var i=this.children_.length-1;i>=0;i--)this.children_[i].dispose&&this.children_[i].dispose();this.children_=null,this.childIndex_=null,this.childNameIndex_=null,this.parentComponent_=null,this.el_&&(this.el_.parentNode&&this.el_.parentNode.removeChild(this.el_),DomData.has(this.el_)&&DomData.delete(this.el_),this.el_=null),this.player_=null}},_proto.isDisposed=function(){return Boolean(this.isDisposed_)},_proto.player=function(){return this.player_},_proto.options=function(obj){return obj?(this.options_=mergeOptions(this.options_,obj),this.options_):this.options_},_proto.el=function(){return this.el_},_proto.createEl=function(tagName,properties,attributes){return createEl(tagName,properties,attributes)},_proto.localize=function(string,tokens,defaultValue){void 0===defaultValue&&(defaultValue=string);var code=this.player_.language&&this.player_.language(),languages=this.player_.languages&&this.player_.languages(),language=languages&&languages[code],primaryCode=code&&code.split("-")[0],primaryLang=languages&&languages[primaryCode],localizedString=defaultValue;return language&&language[string]?localizedString=language[string]:primaryLang&&primaryLang[string]&&(localizedString=primaryLang[string]),tokens&&(localizedString=localizedString.replace(/\{(\d+)\}/g,(function(match,index){var value=tokens[index-1],ret=value;return void 0===value&&(ret=match),ret}))),localizedString},_proto.contentEl=function(){return this.contentEl_||this.el_},_proto.id=function(){return this.id_},_proto.name=function(){return this.name_},_proto.children=function(){return this.children_},_proto.getChildById=function(id){return this.childIndex_[id]},_proto.getChild=function(name){if(name)return this.childNameIndex_[name]},_proto.addChild=function(child,options,index){var component,componentName;if(void 0===options&&(options={}),void 0===index&&(index=this.children_.length),"string"==typeof child){componentName=toTitleCase(child);var componentClassName=options.componentClass||componentName;options.name=componentName;var ComponentClass=Component.getComponent(componentClassName);if(!ComponentClass)throw new Error("Component "+componentClassName+" does not exist");if("function"!=typeof ComponentClass)return null;component=new ComponentClass(this.player_||this,options)}else component=child;if(component.parentComponent_&&component.parentComponent_.removeChild(component),this.children_.splice(index,0,component),component.parentComponent_=this,"function"==typeof component.id&&(this.childIndex_[component.id()]=component),(componentName=componentName||component.name&&toTitleCase(component.name()))&&(this.childNameIndex_[componentName]=component,this.childNameIndex_[toLowerCase(componentName)]=component),"function"==typeof component.el&&component.el()){var refNode=null;this.children_[index+1]&&this.children_[index+1].el_&&(refNode=this.children_[index+1].el_),this.contentEl().insertBefore(component.el(),refNode)}return component},_proto.removeChild=function(component){if("string"==typeof component&&(component=this.getChild(component)),component&&this.children_){for(var childFound=!1,i=this.children_.length-1;i>=0;i--)if(this.children_[i]===component){childFound=!0,this.children_.splice(i,1);break}if(childFound){component.parentComponent_=null,this.childIndex_[component.id()]=null,this.childNameIndex_[toTitleCase(component.name())]=null,this.childNameIndex_[toLowerCase(component.name())]=null;var compEl=component.el();compEl&&compEl.parentNode===this.contentEl()&&this.contentEl().removeChild(component.el())}}},_proto.initChildren=function(){var _this=this,children=this.options_.children;if(children){var workingChildren,parentOptions=this.options_,Tech=Component.getComponent("Tech");(workingChildren=Array.isArray(children)?children:Object.keys(children)).concat(Object.keys(this.options_).filter((function(child){return!workingChildren.some((function(wchild){return"string"==typeof wchild?child===wchild:child===wchild.name}))}))).map((function(child){var name,opts;return"string"==typeof child?opts=children[name=child]||_this.options_[name]||{}:(name=child.name,opts=child),{name:name,opts:opts}})).filter((function(child){var c=Component.getComponent(child.opts.componentClass||toTitleCase(child.name));return c&&!Tech.isTech(c)})).forEach((function(child){var name=child.name,opts=child.opts;if(void 0!==parentOptions[name]&&(opts=parentOptions[name]),!1!==opts){!0===opts&&(opts={}),opts.playerOptions=_this.options_.playerOptions;var newChild=_this.addChild(name,opts);newChild&&(_this[name]=newChild)}}))}},_proto.buildCSSClass=function(){return""},_proto.ready=function(fn,sync){if(void 0===sync&&(sync=!1),fn)return this.isReady_?void(sync?fn.call(this):this.setTimeout(fn,1)):(this.readyQueue_=this.readyQueue_||[],void this.readyQueue_.push(fn))},_proto.triggerReady=function(){this.isReady_=!0,this.setTimeout((function(){var readyQueue=this.readyQueue_;this.readyQueue_=[],readyQueue&&readyQueue.length>0&&readyQueue.forEach((function(fn){fn.call(this)}),this),this.trigger("ready")}),1)},_proto.$=function(selector,context){return $(selector,context||this.contentEl())},_proto.$$=function(selector,context){return $$(selector,context||this.contentEl())},_proto.hasClass=function(classToCheck){return hasClass(this.el_,classToCheck)},_proto.addClass=function(classToAdd){addClass(this.el_,classToAdd)},_proto.removeClass=function(classToRemove){removeClass(this.el_,classToRemove)},_proto.toggleClass=function(classToToggle,predicate){toggleClass(this.el_,classToToggle,predicate)},_proto.show=function(){this.removeClass("vjs-hidden")},_proto.hide=function(){this.addClass("vjs-hidden")},_proto.lockShowing=function(){this.addClass("vjs-lock-showing")},_proto.unlockShowing=function(){this.removeClass("vjs-lock-showing")},_proto.getAttribute=function(attribute){return getAttribute(this.el_,attribute)},_proto.setAttribute=function(attribute,value){setAttribute(this.el_,attribute,value)},_proto.removeAttribute=function(attribute){removeAttribute(this.el_,attribute)},_proto.width=function(num,skipListeners){return this.dimension("width",num,skipListeners)},_proto.height=function(num,skipListeners){return this.dimension("height",num,skipListeners)},_proto.dimensions=function(width,height){this.width(width,!0),this.height(height)},_proto.dimension=function(widthOrHeight,num,skipListeners){if(void 0!==num)return null!==num&&num==num||(num=0),-1!==(""+num).indexOf("%")||-1!==(""+num).indexOf("px")?this.el_.style[widthOrHeight]=num:this.el_.style[widthOrHeight]="auto"===num?"":num+"px",void(skipListeners||this.trigger("componentresize"));if(!this.el_)return 0;var val=this.el_.style[widthOrHeight],pxIndex=val.indexOf("px");return-1!==pxIndex?parseInt(val.slice(0,pxIndex),10):parseInt(this.el_["offset"+toTitleCase(widthOrHeight)],10)},_proto.currentDimension=function(widthOrHeight){var computedWidthOrHeight=0;if("width"!==widthOrHeight&&"height"!==widthOrHeight)throw new Error("currentDimension only accepts width or height value");if(computedWidthOrHeight=computedStyle(this.el_,widthOrHeight),0===(computedWidthOrHeight=parseFloat(computedWidthOrHeight))||isNaN(computedWidthOrHeight)){var rule="offset"+toTitleCase(widthOrHeight);computedWidthOrHeight=this.el_[rule]}return computedWidthOrHeight},_proto.currentDimensions=function(){return{width:this.currentDimension("width"),height:this.currentDimension("height")}},_proto.currentWidth=function(){return this.currentDimension("width")},_proto.currentHeight=function(){return this.currentDimension("height")},_proto.focus=function(){this.el_.focus()},_proto.blur=function(){this.el_.blur()},_proto.handleKeyDown=function(event){this.player_&&(event.stopPropagation(),this.player_.handleKeyDown(event))},_proto.handleKeyPress=function(event){this.handleKeyDown(event)},_proto.emitTapEvents=function(){var couldBeTap,touchStart=0,firstTouch=null;this.on("touchstart",(function(event){1===event.touches.length&&(firstTouch={pageX:event.touches[0].pageX,pageY:event.touches[0].pageY},touchStart=window$3.performance.now(),couldBeTap=!0)})),this.on("touchmove",(function(event){if(event.touches.length>1)couldBeTap=!1;else if(firstTouch){var xdiff=event.touches[0].pageX-firstTouch.pageX,ydiff=event.touches[0].pageY-firstTouch.pageY;Math.sqrt(xdiff*xdiff+ydiff*ydiff)>10&&(couldBeTap=!1)}}));var noTap=function(){couldBeTap=!1};this.on("touchleave",noTap),this.on("touchcancel",noTap),this.on("touchend",(function(event){firstTouch=null,!0===couldBeTap&&window$3.performance.now()-touchStart<200&&(event.preventDefault(),this.trigger("tap"))}))},_proto.enableTouchActivity=function(){if(this.player()&&this.player().reportUserActivity){var touchHolding,report=bind(this.player(),this.player().reportUserActivity);this.on("touchstart",(function(){report(),this.clearInterval(touchHolding),touchHolding=this.setInterval(report,250)}));var touchEnd=function(event){report(),this.clearInterval(touchHolding)};this.on("touchmove",report),this.on("touchend",touchEnd),this.on("touchcancel",touchEnd)}},_proto.setTimeout=function(fn,timeout){var timeoutId,_this2=this;return fn=bind(this,fn),this.clearTimersOnDispose_(),timeoutId=window$3.setTimeout((function(){_this2.setTimeoutIds_.has(timeoutId)&&_this2.setTimeoutIds_.delete(timeoutId),fn()}),timeout),this.setTimeoutIds_.add(timeoutId),timeoutId},_proto.clearTimeout=function(timeoutId){return this.setTimeoutIds_.has(timeoutId)&&(this.setTimeoutIds_.delete(timeoutId),window$3.clearTimeout(timeoutId)),timeoutId},_proto.setInterval=function(fn,interval){fn=bind(this,fn),this.clearTimersOnDispose_();var intervalId=window$3.setInterval(fn,interval);return this.setIntervalIds_.add(intervalId),intervalId},_proto.clearInterval=function(intervalId){return this.setIntervalIds_.has(intervalId)&&(this.setIntervalIds_.delete(intervalId),window$3.clearInterval(intervalId)),intervalId},_proto.requestAnimationFrame=function(fn){var id,_this3=this;return this.supportsRaf_?(this.clearTimersOnDispose_(),fn=bind(this,fn),id=window$3.requestAnimationFrame((function(){_this3.rafIds_.has(id)&&_this3.rafIds_.delete(id),fn()})),this.rafIds_.add(id),id):this.setTimeout(fn,1e3/60)},_proto.cancelAnimationFrame=function(id){return this.supportsRaf_?(this.rafIds_.has(id)&&(this.rafIds_.delete(id),window$3.cancelAnimationFrame(id)),id):this.clearTimeout(id)},_proto.clearTimersOnDispose_=function(){var _this4=this;this.clearingTimersOnDispose_||(this.clearingTimersOnDispose_=!0,this.one("dispose",(function(){[["rafIds_","cancelAnimationFrame"],["setTimeoutIds_","clearTimeout"],["setIntervalIds_","clearInterval"]].forEach((function(_ref){var idName=_ref[0],cancelName=_ref[1];_this4[idName].forEach(_this4[cancelName],_this4)})),_this4.clearingTimersOnDispose_=!1})))},Component.registerComponent=function(name,ComponentToRegister){if("string"!=typeof name||!name)throw new Error('Illegal component name, "'+name+'"; must be a non-empty string.');var reason,Tech=Component.getComponent("Tech"),isTech=Tech&&Tech.isTech(ComponentToRegister),isComp=Component===ComponentToRegister||Component.prototype.isPrototypeOf(ComponentToRegister.prototype);if(isTech||!isComp)throw reason=isTech?"techs must be registered using Tech.registerTech()":"must be a Component subclass",new Error('Illegal component, "'+name+'"; '+reason+".");name=toTitleCase(name),Component.components_||(Component.components_={});var Player=Component.getComponent("Player");if("Player"===name&&Player&&Player.players){var players=Player.players,playerNames=Object.keys(players);if(players&&playerNames.length>0&&playerNames.map((function(pname){return players[pname]})).every(Boolean))throw new Error("Can not register Player component after player has been created.")}return Component.components_[name]=ComponentToRegister,Component.components_[toLowerCase(name)]=ComponentToRegister,ComponentToRegister},Component.getComponent=function(name){if(name&&Component.components_)return Component.components_[name]},Component}();Component.prototype.supportsRaf_="function"==typeof window$3.requestAnimationFrame&&"function"==typeof window$3.cancelAnimationFrame,Component.registerComponent("Component",Component);var assertThisInitialized=function(self){if(void 0===self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return self};createCommonjsModule((function(module){function _typeof(obj){return"function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?module.exports=_typeof=function(obj){return typeof obj}:module.exports=_typeof=function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}module.exports=_typeof})),createCommonjsModule((function(module){function _getPrototypeOf(o){return module.exports=_getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function(o){return o.__proto__||Object.getPrototypeOf(o)},_getPrototypeOf(o)}module.exports=_getPrototypeOf}));var match,inheritsLoose=function(subClass,superClass){subClass.prototype=Object.create(superClass.prototype),subClass.prototype.constructor=subClass,subClass.__proto__=superClass},USER_AGENT=window$3.navigator&&window$3.navigator.userAgent||"",webkitVersionMap=/AppleWebKit\/([\d.]+)/i.exec(USER_AGENT),appleWebkitVersion=webkitVersionMap?parseFloat(webkitVersionMap.pop()):null,IS_IPOD=/iPod/i.test(USER_AGENT),IOS_VERSION=(match=USER_AGENT.match(/OS (\d+)_/i))&&match[1]?match[1]:null,IS_ANDROID=/Android/i.test(USER_AGENT),ANDROID_VERSION=function(){var match=USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);if(!match)return null;var major=match[1]&&parseFloat(match[1]),minor=match[2]&&parseFloat(match[2]);return major&&minor?parseFloat(match[1]+"."+match[2]):major||null}(),IS_NATIVE_ANDROID=IS_ANDROID&&ANDROID_VERSION<5&&appleWebkitVersion<537,IS_FIREFOX=/Firefox/i.test(USER_AGENT),IS_EDGE=/Edg/i.test(USER_AGENT),IS_CHROME=!IS_EDGE&&(/Chrome/i.test(USER_AGENT)||/CriOS/i.test(USER_AGENT)),CHROME_VERSION=function(){var match=USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/);return match&&match[2]?parseFloat(match[2]):null}(),IE_VERSION=function(){var result=/MSIE\s(\d+)\.\d/.exec(USER_AGENT),version=result&&parseFloat(result[1]);return!version&&/Trident\/7.0/i.test(USER_AGENT)&&/rv:11.0/.test(USER_AGENT)&&(version=11),version}(),IS_SAFARI=/Safari/i.test(USER_AGENT)&&!IS_CHROME&&!IS_ANDROID&&!IS_EDGE,IS_WINDOWS=/Windows/i.test(USER_AGENT),TOUCH_ENABLED=isReal()&&("ontouchstart"in window$3||window$3.navigator.maxTouchPoints||window$3.DocumentTouch&&window$3.document instanceof window$3.DocumentTouch),IS_IPAD=/iPad/i.test(USER_AGENT)||IS_SAFARI&&TOUCH_ENABLED&&!/iPhone/i.test(USER_AGENT),IS_IPHONE=/iPhone/i.test(USER_AGENT)&&!IS_IPAD,IS_IOS=IS_IPHONE||IS_IPAD||IS_IPOD,IS_ANY_SAFARI=(IS_SAFARI||IS_IOS)&&!IS_CHROME,browser=Object.freeze({IS_IPOD:IS_IPOD,IOS_VERSION:IOS_VERSION,IS_ANDROID:IS_ANDROID,ANDROID_VERSION:ANDROID_VERSION,IS_NATIVE_ANDROID:IS_NATIVE_ANDROID,IS_FIREFOX:IS_FIREFOX,IS_EDGE:IS_EDGE,IS_CHROME:IS_CHROME,CHROME_VERSION:CHROME_VERSION,IE_VERSION:IE_VERSION,IS_SAFARI:IS_SAFARI,IS_WINDOWS:IS_WINDOWS,TOUCH_ENABLED:TOUCH_ENABLED,IS_IPAD:IS_IPAD,IS_IPHONE:IS_IPHONE,IS_IOS:IS_IOS,IS_ANY_SAFARI:IS_ANY_SAFARI});function getRange(fnName,valueIndex,ranges,rangeIndex){return function(fnName,index,maxIndex){if("number"!=typeof index||index<0||index>maxIndex)throw new Error("Failed to execute '"+fnName+"' on 'TimeRanges': The index provided ("+index+") is non-numeric or out of bounds (0-"+maxIndex+").")}(fnName,rangeIndex,ranges.length-1),ranges[rangeIndex][valueIndex]}function createTimeRangesObj(ranges){return void 0===ranges||0===ranges.length?{length:0,start:function(){throw new Error("This TimeRanges object is empty")},end:function(){throw new Error("This TimeRanges object is empty")}}:{length:ranges.length,start:getRange.bind(null,"start",0,ranges),end:getRange.bind(null,"end",1,ranges)}}function createTimeRanges(start,end){return Array.isArray(start)?createTimeRangesObj(start):void 0===start||void 0===end?createTimeRangesObj():createTimeRangesObj([[start,end]])}function bufferedPercent(buffered,duration){var start,end,bufferedDuration=0;if(!duration)return 0;buffered&&buffered.length||(buffered=createTimeRanges(0,0));for(var i=0;i<buffered.length;i++)start=buffered.start(i),(end=buffered.end(i))>duration&&(end=duration),bufferedDuration+=end-start;return bufferedDuration/duration}for(var browserApi,FullscreenApi={prefixed:!0},apiMap=[["requestFullscreen","exitFullscreen","fullscreenElement","fullscreenEnabled","fullscreenchange","fullscreenerror","fullscreen"],["webkitRequestFullscreen","webkitExitFullscreen","webkitFullscreenElement","webkitFullscreenEnabled","webkitfullscreenchange","webkitfullscreenerror","-webkit-full-screen"],["mozRequestFullScreen","mozCancelFullScreen","mozFullScreenElement","mozFullScreenEnabled","mozfullscreenchange","mozfullscreenerror","-moz-full-screen"],["msRequestFullscreen","msExitFullscreen","msFullscreenElement","msFullscreenEnabled","MSFullscreenChange","MSFullscreenError","-ms-fullscreen"]],specApi=apiMap[0],i=0;i<apiMap.length;i++)if(apiMap[i][1]in document){browserApi=apiMap[i];break}if(browserApi){for(var _i=0;_i<browserApi.length;_i++)FullscreenApi[specApi[_i]]=browserApi[_i];FullscreenApi.prefixed=browserApi[0]!==specApi[0]}function MediaError(value){if(value instanceof MediaError)return value;"number"==typeof value?this.code=value:"string"==typeof value?this.message=value:isObject(value)&&("number"==typeof value.code&&(this.code=value.code),assign(this,value)),this.message||(this.message=MediaError.defaultMessages[this.code]||"")}MediaError.prototype.code=0,MediaError.prototype.message="",MediaError.prototype.status=null,MediaError.errorTypes=["MEDIA_ERR_CUSTOM","MEDIA_ERR_ABORTED","MEDIA_ERR_NETWORK","MEDIA_ERR_DECODE","MEDIA_ERR_SRC_NOT_SUPPORTED","MEDIA_ERR_ENCRYPTED"],MediaError.defaultMessages={1:"You aborted the media playback",2:"A network error caused the media download to fail part-way.",3:"The media playback was aborted due to a corruption problem or because the media used features your browser did not support.",4:"The media could not be loaded, either because the server or network failed or because the format is not supported.",5:"The media is encrypted and we do not have the keys to decrypt it."};for(var errNum=0;errNum<MediaError.errorTypes.length;errNum++)MediaError[MediaError.errorTypes[errNum]]=errNum,MediaError.prototype[MediaError.errorTypes[errNum]]=errNum;var tuple=function(obj,reviver){var json,error=null;try{json=JSON.parse(obj,reviver)}catch(err){error=err}return[error,json]};function isPromise(value){return null!=value&&"function"==typeof value.then}function silencePromise(value){isPromise(value)&&value.then(null,(function(e){}))}var trackToJson_=function(track){return["kind","label","language","id","inBandMetadataTrackDispatchType","mode","src"].reduce((function(acc,prop,i){return track[prop]&&(acc[prop]=track[prop]),acc}),{cues:track.cues&&Array.prototype.map.call(track.cues,(function(cue){return{startTime:cue.startTime,endTime:cue.endTime,text:cue.text,id:cue.id}}))})},textTrackConverter_textTracksToJson=function(tech){var trackEls=tech.$$("track"),trackObjs=Array.prototype.map.call(trackEls,(function(t){return t.track}));return Array.prototype.map.call(trackEls,(function(trackEl){var json=trackToJson_(trackEl.track);return trackEl.src&&(json.src=trackEl.src),json})).concat(Array.prototype.filter.call(tech.textTracks(),(function(track){return-1===trackObjs.indexOf(track)})).map(trackToJson_))},textTrackConverter_jsonToTextTracks=function(json,tech){return json.forEach((function(track){var addedTrack=tech.addRemoteTextTrack(track).track;!track.src&&track.cues&&track.cues.forEach((function(cue){return addedTrack.addCue(cue)}))})),tech.textTracks()},keycode=createCommonjsModule((function(module,exports){function keyCode(searchInput){if(searchInput&&"object"===_typeof2(searchInput)){var hasKeyCode=searchInput.which||searchInput.keyCode||searchInput.charCode;hasKeyCode&&(searchInput=hasKeyCode)}if("number"==typeof searchInput)return names[searchInput];var foundNamedKey,search=String(searchInput);return(foundNamedKey=codes[search.toLowerCase()])?foundNamedKey:(foundNamedKey=aliases[search.toLowerCase()])||(1===search.length?search.charCodeAt(0):void 0)}keyCode.isEventKey=function(event,nameOrCode){if(event&&"object"===_typeof2(event)){var keyCode=event.which||event.keyCode||event.charCode;if(null==keyCode)return!1;if("string"==typeof nameOrCode){var foundNamedKey;if(foundNamedKey=codes[nameOrCode.toLowerCase()])return foundNamedKey===keyCode;if(foundNamedKey=aliases[nameOrCode.toLowerCase()])return foundNamedKey===keyCode}else if("number"==typeof nameOrCode)return nameOrCode===keyCode;return!1}};var codes=(exports=module.exports=keyCode).code=exports.codes={backspace:8,tab:9,enter:13,shift:16,ctrl:17,alt:18,"pause/break":19,"caps lock":20,esc:27,space:32,"page up":33,"page down":34,end:35,home:36,left:37,up:38,right:39,down:40,insert:45,delete:46,command:91,"left command":91,"right command":93,"numpad *":106,"numpad +":107,"numpad -":109,"numpad .":110,"numpad /":111,"num lock":144,"scroll lock":145,"my computer":182,"my calculator":183,";":186,"=":187,",":188,"-":189,".":190,"/":191,"`":192,"[":219,"\\":220,"]":221,"'":222},aliases=exports.aliases={windows:91,"⇧":16,"⌥":18,"⌃":17,"⌘":91,ctl:17,control:17,option:18,pause:19,break:19,caps:20,return:13,escape:27,spc:32,spacebar:32,pgup:33,pgdn:34,ins:45,del:46,cmd:91};for(i=97;i<123;i++)codes[String.fromCharCode(i)]=i-32;for(var i=48;i<58;i++)codes[i-48]=i;for(i=1;i<13;i++)codes["f"+i]=i+111;for(i=0;i<10;i++)codes["numpad "+i]=i+96;var names=exports.names=exports.title={};for(i in codes)names[codes[i]]=i;for(var alias in aliases)codes[alias]=aliases[alias]})),ModalDialog=(keycode.code,keycode.codes,keycode.aliases,keycode.names,keycode.title,function(_Component){function ModalDialog(player,options){var _this;return(_this=_Component.call(this,player,options)||this).opened_=_this.hasBeenOpened_=_this.hasBeenFilled_=!1,_this.closeable(!_this.options_.uncloseable),_this.content(_this.options_.content),_this.contentEl_=createEl("div",{className:"vjs-modal-dialog-content"},{role:"document"}),_this.descEl_=createEl("p",{className:"vjs-modal-dialog-description vjs-control-text",id:_this.el().getAttribute("aria-describedby")}),textContent(_this.descEl_,_this.description()),_this.el_.appendChild(_this.descEl_),_this.el_.appendChild(_this.contentEl_),_this}inheritsLoose(ModalDialog,_Component);var _proto=ModalDialog.prototype;return _proto.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:this.buildCSSClass(),tabIndex:-1},{"aria-describedby":this.id()+"_description","aria-hidden":"true","aria-label":this.label(),role:"dialog"})},_proto.dispose=function(){this.contentEl_=null,this.descEl_=null,this.previouslyActiveEl_=null,_Component.prototype.dispose.call(this)},_proto.buildCSSClass=function(){return"vjs-modal-dialog vjs-hidden "+_Component.prototype.buildCSSClass.call(this)},_proto.label=function(){return this.localize(this.options_.label||"Modal Window")},_proto.description=function(){var desc=this.options_.description||this.localize("This is a modal window.");return this.closeable()&&(desc+=" "+this.localize("This modal can be closed by pressing the Escape key or activating the close button.")),desc},_proto.open=function(){if(!this.opened_){var player=this.player();this.trigger("beforemodalopen"),this.opened_=!0,(this.options_.fillAlways||!this.hasBeenOpened_&&!this.hasBeenFilled_)&&this.fill(),this.wasPlaying_=!player.paused(),this.options_.pauseOnOpen&&this.wasPlaying_&&player.pause(),this.on("keydown",this.handleKeyDown),this.hadControls_=player.controls(),player.controls(!1),this.show(),this.conditionalFocus_(),this.el().setAttribute("aria-hidden","false"),this.trigger("modalopen"),this.hasBeenOpened_=!0}},_proto.opened=function(value){return"boolean"==typeof value&&this[value?"open":"close"](),this.opened_},_proto.close=function(){if(this.opened_){var player=this.player();this.trigger("beforemodalclose"),this.opened_=!1,this.wasPlaying_&&this.options_.pauseOnOpen&&player.play(),this.off("keydown",this.handleKeyDown),this.hadControls_&&player.controls(!0),this.hide(),this.el().setAttribute("aria-hidden","true"),this.trigger("modalclose"),this.conditionalBlur_(),this.options_.temporary&&this.dispose()}},_proto.closeable=function(value){if("boolean"==typeof value){var closeable=this.closeable_=!!value,close=this.getChild("closeButton");if(closeable&&!close){var temp=this.contentEl_;this.contentEl_=this.el_,close=this.addChild("closeButton",{controlText:"Close Modal Dialog"}),this.contentEl_=temp,this.on(close,"close",this.close)}!closeable&&close&&(this.off(close,"close",this.close),this.removeChild(close),close.dispose())}return this.closeable_},_proto.fill=function(){this.fillWith(this.content())},_proto.fillWith=function(content){var contentEl=this.contentEl(),parentEl=contentEl.parentNode,nextSiblingEl=contentEl.nextSibling;this.trigger("beforemodalfill"),this.hasBeenFilled_=!0,parentEl.removeChild(contentEl),this.empty(),insertContent(contentEl,content),this.trigger("modalfill"),nextSiblingEl?parentEl.insertBefore(contentEl,nextSiblingEl):parentEl.appendChild(contentEl);var closeButton=this.getChild("closeButton");closeButton&&parentEl.appendChild(closeButton.el_)},_proto.empty=function(){this.trigger("beforemodalempty"),emptyEl(this.contentEl()),this.trigger("modalempty")},_proto.content=function(value){return void 0!==value&&(this.content_=value),this.content_},_proto.conditionalFocus_=function(){var activeEl=document.activeElement,playerEl=this.player_.el_;this.previouslyActiveEl_=null,(playerEl.contains(activeEl)||playerEl===activeEl)&&(this.previouslyActiveEl_=activeEl,this.focus())},_proto.conditionalBlur_=function(){this.previouslyActiveEl_&&(this.previouslyActiveEl_.focus(),this.previouslyActiveEl_=null)},_proto.handleKeyDown=function(event){if(event.stopPropagation(),keycode.isEventKey(event,"Escape")&&this.closeable())return event.preventDefault(),void this.close();if(keycode.isEventKey(event,"Tab")){for(var focusIndex,focusableEls=this.focusableEls_(),activeEl=this.el_.querySelector(":focus"),i=0;i<focusableEls.length;i++)if(activeEl===focusableEls[i]){focusIndex=i;break}document.activeElement===this.el_&&(focusIndex=0),event.shiftKey&&0===focusIndex?(focusableEls[focusableEls.length-1].focus(),event.preventDefault()):event.shiftKey||focusIndex!==focusableEls.length-1||(focusableEls[0].focus(),event.preventDefault())}},_proto.focusableEls_=function(){var allChildren=this.el_.querySelectorAll("*");return Array.prototype.filter.call(allChildren,(function(child){return(child instanceof window$3.HTMLAnchorElement||child instanceof window$3.HTMLAreaElement)&&child.hasAttribute("href")||(child instanceof window$3.HTMLInputElement||child instanceof window$3.HTMLSelectElement||child instanceof window$3.HTMLTextAreaElement||child instanceof window$3.HTMLButtonElement)&&!child.hasAttribute("disabled")||child instanceof window$3.HTMLIFrameElement||child instanceof window$3.HTMLObjectElement||child instanceof window$3.HTMLEmbedElement||child.hasAttribute("tabindex")&&-1!==child.getAttribute("tabindex")||child.hasAttribute("contenteditable")}))},ModalDialog}(Component));ModalDialog.prototype.options_={pauseOnOpen:!0,temporary:!0},Component.registerComponent("ModalDialog",ModalDialog);var TrackList=function(_EventTarget){function TrackList(tracks){var _this;void 0===tracks&&(tracks=[]),(_this=_EventTarget.call(this)||this).tracks_=[],Object.defineProperty(assertThisInitialized(_this),"length",{get:function(){return this.tracks_.length}});for(var i=0;i<tracks.length;i++)_this.addTrack(tracks[i]);return _this}inheritsLoose(TrackList,_EventTarget);var _proto=TrackList.prototype;return _proto.addTrack=function(track){var index=this.tracks_.length;""+index in this||Object.defineProperty(this,index,{get:function(){return this.tracks_[index]}}),-1===this.tracks_.indexOf(track)&&(this.tracks_.push(track),this.trigger({track:track,type:"addtrack",target:this}))},_proto.removeTrack=function(rtrack){for(var track,i=0,l=this.length;i<l;i++)if(this[i]===rtrack){(track=this[i]).off&&track.off(),this.tracks_.splice(i,1);break}track&&this.trigger({track:track,type:"removetrack",target:this})},_proto.getTrackById=function(id){for(var result=null,i=0,l=this.length;i<l;i++){var track=this[i];if(track.id===id){result=track;break}}return result},TrackList}(EventTarget);for(var event in TrackList.prototype.allowedEvents_={change:"change",addtrack:"addtrack",removetrack:"removetrack"},TrackList.prototype.allowedEvents_)TrackList.prototype["on"+event]=null;var disableOthers=function(list,track){for(var i=0;i<list.length;i++)Object.keys(list[i]).length&&track.id!==list[i].id&&(list[i].enabled=!1)},AudioTrackList=function(_TrackList){function AudioTrackList(tracks){var _this;void 0===tracks&&(tracks=[]);for(var i=tracks.length-1;i>=0;i--)if(tracks[i].enabled){disableOthers(tracks,tracks[i]);break}return(_this=_TrackList.call(this,tracks)||this).changing_=!1,_this}inheritsLoose(AudioTrackList,_TrackList);var _proto=AudioTrackList.prototype;return _proto.addTrack=function(track){var _this2=this;track.enabled&&disableOthers(this,track),_TrackList.prototype.addTrack.call(this,track),track.addEventListener&&(track.enabledChange_=function(){_this2.changing_||(_this2.changing_=!0,disableOthers(_this2,track),_this2.changing_=!1,_this2.trigger("change"))},track.addEventListener("enabledchange",track.enabledChange_))},_proto.removeTrack=function(rtrack){_TrackList.prototype.removeTrack.call(this,rtrack),rtrack.removeEventListener&&rtrack.enabledChange_&&(rtrack.removeEventListener("enabledchange",rtrack.enabledChange_),rtrack.enabledChange_=null)},AudioTrackList}(TrackList),disableOthers$1=function(list,track){for(var i=0;i<list.length;i++)Object.keys(list[i]).length&&track.id!==list[i].id&&(list[i].selected=!1)},VideoTrackList=function(_TrackList){function VideoTrackList(tracks){var _this;void 0===tracks&&(tracks=[]);for(var i=tracks.length-1;i>=0;i--)if(tracks[i].selected){disableOthers$1(tracks,tracks[i]);break}return(_this=_TrackList.call(this,tracks)||this).changing_=!1,Object.defineProperty(assertThisInitialized(_this),"selectedIndex",{get:function(){for(var _i=0;_i<this.length;_i++)if(this[_i].selected)return _i;return-1},set:function(){}}),_this}inheritsLoose(VideoTrackList,_TrackList);var _proto=VideoTrackList.prototype;return _proto.addTrack=function(track){var _this2=this;track.selected&&disableOthers$1(this,track),_TrackList.prototype.addTrack.call(this,track),track.addEventListener&&(track.selectedChange_=function(){_this2.changing_||(_this2.changing_=!0,disableOthers$1(_this2,track),_this2.changing_=!1,_this2.trigger("change"))},track.addEventListener("selectedchange",track.selectedChange_))},_proto.removeTrack=function(rtrack){_TrackList.prototype.removeTrack.call(this,rtrack),rtrack.removeEventListener&&rtrack.selectedChange_&&(rtrack.removeEventListener("selectedchange",rtrack.selectedChange_),rtrack.selectedChange_=null)},VideoTrackList}(TrackList),TextTrackList=function(_TrackList){function TextTrackList(){return _TrackList.apply(this,arguments)||this}inheritsLoose(TextTrackList,_TrackList);var _proto=TextTrackList.prototype;return _proto.addTrack=function(track){var _this=this;_TrackList.prototype.addTrack.call(this,track),this.queueChange_||(this.queueChange_=function(){return _this.queueTrigger("change")}),this.triggerSelectedlanguagechange||(this.triggerSelectedlanguagechange_=function(){return _this.trigger("selectedlanguagechange")}),track.addEventListener("modechange",this.queueChange_),-1===["metadata","chapters"].indexOf(track.kind)&&track.addEventListener("modechange",this.triggerSelectedlanguagechange_)},_proto.removeTrack=function(rtrack){_TrackList.prototype.removeTrack.call(this,rtrack),rtrack.removeEventListener&&(this.queueChange_&&rtrack.removeEventListener("modechange",this.queueChange_),this.selectedlanguagechange_&&rtrack.removeEventListener("modechange",this.triggerSelectedlanguagechange_))},TextTrackList}(TrackList),HtmlTrackElementList=function(){function HtmlTrackElementList(trackElements){void 0===trackElements&&(trackElements=[]),this.trackElements_=[],Object.defineProperty(this,"length",{get:function(){return this.trackElements_.length}});for(var i=0,length=trackElements.length;i<length;i++)this.addTrackElement_(trackElements[i])}var _proto=HtmlTrackElementList.prototype;return _proto.addTrackElement_=function(trackElement){var index=this.trackElements_.length;""+index in this||Object.defineProperty(this,index,{get:function(){return this.trackElements_[index]}}),-1===this.trackElements_.indexOf(trackElement)&&this.trackElements_.push(trackElement)},_proto.getTrackElementByTrack_=function(track){for(var trackElement_,i=0,length=this.trackElements_.length;i<length;i++)if(track===this.trackElements_[i].track){trackElement_=this.trackElements_[i];break}return trackElement_},_proto.removeTrackElement_=function(trackElement){for(var i=0,length=this.trackElements_.length;i<length;i++)if(trackElement===this.trackElements_[i]){this.trackElements_[i].track&&"function"==typeof this.trackElements_[i].track.off&&this.trackElements_[i].track.off(),"function"==typeof this.trackElements_[i].off&&this.trackElements_[i].off(),this.trackElements_.splice(i,1);break}},HtmlTrackElementList}(),TextTrackCueList=function(){function TextTrackCueList(cues){TextTrackCueList.prototype.setCues_.call(this,cues),Object.defineProperty(this,"length",{get:function(){return this.length_}})}var _proto=TextTrackCueList.prototype;return _proto.setCues_=function(cues){var oldLength=this.length||0,i=0,l=cues.length;this.cues_=cues,this.length_=cues.length;var defineProp=function(index){""+index in this||Object.defineProperty(this,""+index,{get:function(){return this.cues_[index]}})};if(oldLength<l)for(i=oldLength;i<l;i++)defineProp.call(this,i)},_proto.getCueById=function(id){for(var result=null,i=0,l=this.length;i<l;i++){var cue=this[i];if(cue.id===id){result=cue;break}}return result},TextTrackCueList}(),VideoTrackKind={alternative:"alternative",captions:"captions",main:"main",sign:"sign",subtitles:"subtitles",commentary:"commentary"},AudioTrackKind={alternative:"alternative",descriptions:"descriptions",main:"main","main-desc":"main-desc",translation:"translation",commentary:"commentary"},TextTrackKind={subtitles:"subtitles",captions:"captions",descriptions:"descriptions",chapters:"chapters",metadata:"metadata"},TextTrackMode={disabled:"disabled",hidden:"hidden",showing:"showing"},Track=function(_EventTarget){function Track(options){var _this;void 0===options&&(options={}),_this=_EventTarget.call(this)||this;var trackProps={id:options.id||"vjs_track_"+newGUID(),kind:options.kind||"",label:options.label||"",language:options.language||""},_loop=function(key){Object.defineProperty(assertThisInitialized(_this),key,{get:function(){return trackProps[key]},set:function(){}})};for(var key in trackProps)_loop(key);return _this}return inheritsLoose(Track,_EventTarget),Track}(EventTarget),parseUrl=function(url){var props=["protocol","hostname","port","pathname","search","hash","host"],a=document.createElement("a");a.href=url;var div,addToBody=""===a.host&&"file:"!==a.protocol;addToBody&&((div=document.createElement("div")).innerHTML='<a href="'+url+'"></a>',a=div.firstChild,div.setAttribute("style","display:none; position:absolute;"),document.body.appendChild(div));for(var details={},i=0;i<props.length;i++)details[props[i]]=a[props[i]];return"http:"===details.protocol&&(details.host=details.host.replace(/:80$/,"")),"https:"===details.protocol&&(details.host=details.host.replace(/:443$/,"")),details.protocol||(details.protocol=window$3.location.protocol),addToBody&&document.body.removeChild(div),details},getAbsoluteURL=function(url){if(!url.match(/^https?:\/\//)){var div=document.createElement("div");div.innerHTML='<a href="'+url+'">x</a>',url=div.firstChild.href}return url},getFileExtension=function(path){if("string"==typeof path){var pathParts=/^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/.exec(path);if(pathParts)return pathParts.pop().toLowerCase()}return""},isCrossOrigin=function(url,winLoc){void 0===winLoc&&(winLoc=window$3.location);var urlInfo=parseUrl(url);return(":"===urlInfo.protocol?winLoc.protocol:urlInfo.protocol)+urlInfo.host!==winLoc.protocol+winLoc.host},Url=Object.freeze({parseUrl:parseUrl,getAbsoluteURL:getAbsoluteURL,getFileExtension:getFileExtension,isCrossOrigin:isCrossOrigin}),isFunction_1=function(fn){var string=toString$1.call(fn);return"[object Function]"===string||"function"==typeof fn&&"[object RegExp]"!==string||"undefined"!=typeof window&&(fn===window.setTimeout||fn===window.alert||fn===window.confirm||fn===window.prompt)}
+/**
+   * @license
+   * slighly modified parse-headers 2.0.2 <https://github.com/kesla/parse-headers/>
+   * Copyright (c) 2014 David Björklund
+   * Available under the MIT license
+   * <https://github.com/kesla/parse-headers/blob/master/LICENCE>
+   */,toString$1=Object.prototype.toString,xhr=createXHR,default_1=createXHR;function initParams(uri,options,callback){var params=uri;return isFunction_1(options)?(callback=options,"string"==typeof uri&&(params={uri:uri})):params=_extends_1({},options,{uri:uri}),params.callback=callback,params}function createXHR(uri,options,callback){return _createXHR(options=initParams(uri,options,callback))}function _createXHR(options){if(void 0===options.callback)throw new Error("callback argument missing");var called=!1,callback=function(err,response,body){called||(called=!0,options.callback(err,response,body))};function getBody(){var body=void 0;if(body=xhr.response?xhr.response:xhr.responseText||function(xhr){try{if("document"===xhr.responseType)return xhr.responseXML;var firefoxBugTakenEffect=xhr.responseXML&&"parsererror"===xhr.responseXML.documentElement.nodeName;if(""===xhr.responseType&&!firefoxBugTakenEffect)return xhr.responseXML}catch(e){}return null}(xhr),isJson)try{body=JSON.parse(body)}catch(e){}return body}function errorFunc(evt){return clearTimeout(timeoutTimer),evt instanceof Error||(evt=new Error(""+(evt||"Unknown XMLHttpRequest Error"))),evt.statusCode=0,callback(evt,failureResponse)}function loadFunc(){if(!aborted){var status;clearTimeout(timeoutTimer),status=options.useXDR&&void 0===xhr.status?200:1223===xhr.status?204:xhr.status;var response=failureResponse,err=null;return 0!==status?(response={body:getBody(),statusCode:status,method:method,headers:{},url:uri,rawRequest:xhr},xhr.getAllResponseHeaders&&(response.headers=function(headers){var result={};return headers?(headers.trim().split("\n").forEach((function(row){var index=row.indexOf(":"),key=row.slice(0,index).trim().toLowerCase(),value=row.slice(index+1).trim();void 0===result[key]?result[key]=value:Array.isArray(result[key])?result[key].push(value):result[key]=[result[key],value]})),result):result}(xhr.getAllResponseHeaders()))):err=new Error("Internal XMLHttpRequest Error"),callback(err,response,response.body)}}var key,aborted,xhr=options.xhr||null;xhr||(xhr=options.cors||options.useXDR?new createXHR.XDomainRequest:new createXHR.XMLHttpRequest);var timeoutTimer,uri=xhr.url=options.uri||options.url,method=xhr.method=options.method||"GET",body=options.body||options.data,headers=xhr.headers=options.headers||{},sync=!!options.sync,isJson=!1,failureResponse={body:void 0,headers:{},statusCode:0,method:method,url:uri,rawRequest:xhr};if("json"in options&&!1!==options.json&&(isJson=!0,headers.accept||headers.Accept||(headers.Accept="application/json"),"GET"!==method&&"HEAD"!==method&&(headers["content-type"]||headers["Content-Type"]||(headers["Content-Type"]="application/json"),body=JSON.stringify(!0===options.json?body:options.json))),xhr.onreadystatechange=function(){4===xhr.readyState&&setTimeout(loadFunc,0)},xhr.onload=loadFunc,xhr.onerror=errorFunc,xhr.onprogress=function(){},xhr.onabort=function(){aborted=!0},xhr.ontimeout=errorFunc,xhr.open(method,uri,!sync,options.username,options.password),sync||(xhr.withCredentials=!!options.withCredentials),!sync&&options.timeout>0&&(timeoutTimer=setTimeout((function(){if(!aborted){aborted=!0,xhr.abort("timeout");var e=new Error("XMLHttpRequest timeout");e.code="ETIMEDOUT",errorFunc(e)}}),options.timeout)),xhr.setRequestHeader)for(key in headers)headers.hasOwnProperty(key)&&xhr.setRequestHeader(key,headers[key]);else if(options.headers&&!function(obj){for(var i in obj)if(obj.hasOwnProperty(i))return!1;return!0}(options.headers))throw new Error("Headers cannot be set on an XDomainRequest object");return"responseType"in options&&(xhr.responseType=options.responseType),"beforeSend"in options&&"function"==typeof options.beforeSend&&options.beforeSend(xhr),xhr.send(body||null),xhr}createXHR.XMLHttpRequest=window$3.XMLHttpRequest||function(){},createXHR.XDomainRequest="withCredentials"in new createXHR.XMLHttpRequest?createXHR.XMLHttpRequest:window$3.XDomainRequest,function(array,iterator){for(var i=0;i<array.length;i++)iterator(array[i])}(["get","put","post","patch","head","delete"],(function(method){createXHR["delete"===method?"del":method]=function(uri,options,callback){return(options=initParams(uri,options,callback)).method=method.toUpperCase(),_createXHR(options)}})),xhr.default=default_1;var parseCues=function(srcContent,track){var parser=new window$3.WebVTT.Parser(window$3,window$3.vttjs,window$3.WebVTT.StringDecoder()),errors=[];parser.oncue=function(cue){track.addCue(cue)},parser.onparsingerror=function(error){errors.push(error)},parser.onflush=function(){track.trigger({type:"loadeddata",target:track})},parser.parse(srcContent),errors.length>0&&(window$3.console&&window$3.console.groupCollapsed&&window$3.console.groupCollapsed("Text Track parsing errors for "+track.src),errors.forEach((function(error){return log.error(error)})),window$3.console&&window$3.console.groupEnd&&window$3.console.groupEnd()),parser.flush()},loadTrack=function(src,track){var opts={uri:src},crossOrigin=isCrossOrigin(src);crossOrigin&&(opts.cors=crossOrigin),xhr(opts,bind(this,(function(err,response,responseBody){if(err)return log.error(err,response);track.loaded_=!0,"function"!=typeof window$3.WebVTT?track.tech_&&track.tech_.any(["vttjsloaded","vttjserror"],(function(event){if("vttjserror"!==event.type)return parseCues(responseBody,track);log.error("vttjs failed to load, stopping trying to process "+track.src)})):parseCues(responseBody,track)})))},TextTrack=function(_Track){function TextTrack(options){var _this;if(void 0===options&&(options={}),!options.tech)throw new Error("A tech was not provided.");var settings=mergeOptions(options,{kind:TextTrackKind[options.kind]||"subtitles",language:options.language||options.srclang||""}),mode=TextTrackMode[settings.mode]||"disabled",default_=settings.default;"metadata"!==settings.kind&&"chapters"!==settings.kind||(mode="hidden"),(_this=_Track.call(this,settings)||this).tech_=settings.tech,_this.cues_=[],_this.activeCues_=[],_this.preload_=!1!==_this.tech_.preloadTextTracks;var cues=new TextTrackCueList(_this.cues_),activeCues=new TextTrackCueList(_this.activeCues_),changed=!1,timeupdateHandler=bind(assertThisInitialized(_this),(function(){this.activeCues=this.activeCues,changed&&(this.trigger("cuechange"),changed=!1)}));return"disabled"!==mode&&_this.tech_.ready((function(){_this.tech_.on("timeupdate",timeupdateHandler)}),!0),Object.defineProperties(assertThisInitialized(_this),{default:{get:function(){return default_},set:function(){}},mode:{get:function(){return mode},set:function(newMode){var _this2=this;TextTrackMode[newMode]&&(mode=newMode,this.preload_||"disabled"===mode||0!==this.cues.length||loadTrack(this.src,this),"disabled"!==mode?this.tech_.ready((function(){_this2.tech_.on("timeupdate",timeupdateHandler)}),!0):this.tech_.off("timeupdate",timeupdateHandler),this.trigger("modechange"))}},cues:{get:function(){return this.loaded_?cues:null},set:function(){}},activeCues:{get:function(){if(!this.loaded_)return null;if(0===this.cues.length)return activeCues;for(var ct=this.tech_.currentTime(),active=[],i=0,l=this.cues.length;i<l;i++){var cue=this.cues[i];(cue.startTime<=ct&&cue.endTime>=ct||cue.startTime===cue.endTime&&cue.startTime<=ct&&cue.startTime+.5>=ct)&&active.push(cue)}if(changed=!1,active.length!==this.activeCues_.length)changed=!0;else for(var _i=0;_i<active.length;_i++)-1===this.activeCues_.indexOf(active[_i])&&(changed=!0);return this.activeCues_=active,activeCues.setCues_(this.activeCues_),activeCues},set:function(){}}}),settings.src?(_this.src=settings.src,_this.preload_||(_this.loaded_=!0),(_this.preload_||default_||"subtitles"!==settings.kind&&"captions"!==settings.kind)&&loadTrack(_this.src,assertThisInitialized(_this))):_this.loaded_=!0,_this}inheritsLoose(TextTrack,_Track);var _proto=TextTrack.prototype;return _proto.addCue=function(originalCue){var cue=originalCue;if(window$3.vttjs&&!(originalCue instanceof window$3.vttjs.VTTCue)){for(var prop in cue=new window$3.vttjs.VTTCue(originalCue.startTime,originalCue.endTime,originalCue.text),originalCue)prop in cue||(cue[prop]=originalCue[prop]);cue.id=originalCue.id,cue.originalCue_=originalCue}for(var tracks=this.tech_.textTracks(),i=0;i<tracks.length;i++)tracks[i]!==this&&tracks[i].removeCue(cue);this.cues_.push(cue),this.cues.setCues_(this.cues_)},_proto.removeCue=function(_removeCue){for(var i=this.cues_.length;i--;){var cue=this.cues_[i];if(cue===_removeCue||cue.originalCue_&&cue.originalCue_===_removeCue){this.cues_.splice(i,1),this.cues.setCues_(this.cues_);break}}},TextTrack}(Track);TextTrack.prototype.allowedEvents_={cuechange:"cuechange"};var AudioTrack=function(_Track){function AudioTrack(options){var _this;void 0===options&&(options={});var settings=mergeOptions(options,{kind:AudioTrackKind[options.kind]||""});_this=_Track.call(this,settings)||this;var enabled=!1;return Object.defineProperty(assertThisInitialized(_this),"enabled",{get:function(){return enabled},set:function(newEnabled){"boolean"==typeof newEnabled&&newEnabled!==enabled&&(enabled=newEnabled,this.trigger("enabledchange"))}}),settings.enabled&&(_this.enabled=settings.enabled),_this.loaded_=!0,_this}return inheritsLoose(AudioTrack,_Track),AudioTrack}(Track),VideoTrack=function(_Track){function VideoTrack(options){var _this;void 0===options&&(options={});var settings=mergeOptions(options,{kind:VideoTrackKind[options.kind]||""});_this=_Track.call(this,settings)||this;var selected=!1;return Object.defineProperty(assertThisInitialized(_this),"selected",{get:function(){return selected},set:function(newSelected){"boolean"==typeof newSelected&&newSelected!==selected&&(selected=newSelected,this.trigger("selectedchange"))}}),settings.selected&&(_this.selected=settings.selected),_this}return inheritsLoose(VideoTrack,_Track),VideoTrack}(Track),HTMLTrackElement=function(_EventTarget){function HTMLTrackElement(options){var _this,readyState;void 0===options&&(options={}),_this=_EventTarget.call(this)||this;var track=new TextTrack(options);return _this.kind=track.kind,_this.src=track.src,_this.srclang=track.language,_this.label=track.label,_this.default=track.default,Object.defineProperties(assertThisInitialized(_this),{readyState:{get:function(){return readyState}},track:{get:function(){return track}}}),readyState=0,track.addEventListener("loadeddata",(function(){readyState=2,_this.trigger({type:"load",target:assertThisInitialized(_this)})})),_this}return inheritsLoose(HTMLTrackElement,_EventTarget),HTMLTrackElement}(EventTarget);HTMLTrackElement.prototype.allowedEvents_={load:"load"},HTMLTrackElement.NONE=0,HTMLTrackElement.LOADING=1,HTMLTrackElement.LOADED=2,HTMLTrackElement.ERROR=3;var NORMAL={audio:{ListClass:AudioTrackList,TrackClass:AudioTrack,capitalName:"Audio"},video:{ListClass:VideoTrackList,TrackClass:VideoTrack,capitalName:"Video"},text:{ListClass:TextTrackList,TrackClass:TextTrack,capitalName:"Text"}};Object.keys(NORMAL).forEach((function(type){NORMAL[type].getterName=type+"Tracks",NORMAL[type].privateName=type+"Tracks_"}));var REMOTE={remoteText:{ListClass:TextTrackList,TrackClass:TextTrack,capitalName:"RemoteText",getterName:"remoteTextTracks",privateName:"remoteTextTracks_"},remoteTextEl:{ListClass:HtmlTrackElementList,TrackClass:HTMLTrackElement,capitalName:"RemoteTextTrackEls",getterName:"remoteTextTrackEls",privateName:"remoteTextTrackEls_"}},ALL=_extends_1({},NORMAL,REMOTE);REMOTE.names=Object.keys(REMOTE),NORMAL.names=Object.keys(NORMAL),ALL.names=[].concat(REMOTE.names).concat(NORMAL.names);var _objCreate=Object.create||function(){function F(){}return function(o){if(1!==arguments.length)throw new Error("Object.create shim only accepts one parameter.");return F.prototype=o,new F}}();function ParsingError(errorData,message){this.name="ParsingError",this.code=errorData.code,this.message=message||errorData.message}function parseTimeStamp(input){function computeSeconds(h,m,s,f){return 3600*(0|h)+60*(0|m)+(0|s)+(0|f)/1e3}var m=input.match(/^(\d+):(\d{1,2})(:\d{1,2})?\.(\d{3})/);return m?m[3]?computeSeconds(m[1],m[2],m[3].replace(":",""),m[4]):m[1]>59?computeSeconds(m[1],m[2],0,m[4]):computeSeconds(0,m[1],m[2],m[4]):null}function Settings(){this.values=_objCreate(null)}function parseOptions(input,callback,keyValueDelim,groupDelim){var groups=groupDelim?input.split(groupDelim):[input];for(var i in groups)if("string"==typeof groups[i]){var kv=groups[i].split(keyValueDelim);2===kv.length&&callback(kv[0],kv[1])}}function parseCue(input,cue,regionList){var oInput=input;function consumeTimeStamp(){var ts=parseTimeStamp(input);if(null===ts)throw new ParsingError(ParsingError.Errors.BadTimeStamp,"Malformed timestamp: "+oInput);return input=input.replace(/^[^\sa-zA-Z-]+/,""),ts}function skipWhitespace(){input=input.replace(/^\s+/,"")}if(skipWhitespace(),cue.startTime=consumeTimeStamp(),skipWhitespace(),"--\x3e"!==input.substr(0,3))throw new ParsingError(ParsingError.Errors.BadTimeStamp,"Malformed time stamp (time stamps must be separated by '--\x3e'): "+oInput);input=input.substr(3),skipWhitespace(),cue.endTime=consumeTimeStamp(),skipWhitespace(),function(input,cue){var settings=new Settings;parseOptions(input,(function(k,v){switch(k){case"region":for(var i=regionList.length-1;i>=0;i--)if(regionList[i].id===v){settings.set(k,regionList[i].region);break}break;case"vertical":settings.alt(k,v,["rl","lr"]);break;case"line":var vals=v.split(","),vals0=vals[0];settings.integer(k,vals0),settings.percent(k,vals0)&&settings.set("snapToLines",!1),settings.alt(k,vals0,["auto"]),2===vals.length&&settings.alt("lineAlign",vals[1],["start","center","end"]);break;case"position":vals=v.split(","),settings.percent(k,vals[0]),2===vals.length&&settings.alt("positionAlign",vals[1],["start","center","end"]);break;case"size":settings.percent(k,v);break;case"align":settings.alt(k,v,["start","center","end","left","right"])}}),/:/,/\s/),cue.region=settings.get("region",null),cue.vertical=settings.get("vertical","");try{cue.line=settings.get("line","auto")}catch(e){}cue.lineAlign=settings.get("lineAlign","start"),cue.snapToLines=settings.get("snapToLines",!0),cue.size=settings.get("size",100);try{cue.align=settings.get("align","center")}catch(e){cue.align=settings.get("align","middle")}try{cue.position=settings.get("position","auto")}catch(e){cue.position=settings.get("position",{start:0,left:0,center:50,middle:50,end:100,right:100},cue.align)}cue.positionAlign=settings.get("positionAlign",{start:"start",left:"start",center:"center",middle:"center",end:"end",right:"end"},cue.align)}(input,cue)}ParsingError.prototype=_objCreate(Error.prototype),ParsingError.prototype.constructor=ParsingError,ParsingError.Errors={BadSignature:{code:0,message:"Malformed WebVTT signature."},BadTimeStamp:{code:1,message:"Malformed time stamp."}},Settings.prototype={set:function(k,v){this.get(k)||""===v||(this.values[k]=v)},get:function(k,dflt,defaultKey){return defaultKey?this.has(k)?this.values[k]:dflt[defaultKey]:this.has(k)?this.values[k]:dflt},has:function(k){return k in this.values},alt:function(k,v,a){for(var n=0;n<a.length;++n)if(v===a[n]){this.set(k,v);break}},integer:function(k,v){/^-?\d+$/.test(v)&&this.set(k,parseInt(v,10))},percent:function(k,v){return!!(v.match(/^([\d]{1,3})(\.[\d]*)?%$/)&&(v=parseFloat(v))>=0&&v<=100)&&(this.set(k,v),!0)}};var TEXTAREA_ELEMENT=document.createElement("textarea"),TAG_NAME={c:"span",i:"i",b:"b",u:"u",ruby:"ruby",rt:"rt",v:"span",lang:"span"},DEFAULT_COLOR_CLASS={white:"rgba(255,255,255,1)",lime:"rgba(0,255,0,1)",cyan:"rgba(0,255,255,1)",red:"rgba(255,0,0,1)",yellow:"rgba(255,255,0,1)",magenta:"rgba(255,0,255,1)",blue:"rgba(0,0,255,1)",black:"rgba(0,0,0,1)"},TAG_ANNOTATION={v:"title",lang:"lang"},NEEDS_PARENT={rt:"ruby"};function parseContent(window,input){function nextToken(){if(!input)return null;var result,m=input.match(/^([^<]*)(<[^>]*>?)?/);return result=m[1]?m[1]:m[2],input=input.substr(result.length),result}function shouldAdd(current,element){return!NEEDS_PARENT[element.localName]||NEEDS_PARENT[element.localName]===current.localName}function createElement(type,annotation){var tagName=TAG_NAME[type];if(!tagName)return null;var element=window.document.createElement(tagName),name=TAG_ANNOTATION[type];return name&&annotation&&(element[name]=annotation.trim()),element}for(var t,s,rootDiv=window.document.createElement("div"),current=rootDiv,tagStack=[];null!==(t=nextToken());)if("<"!==t[0])current.appendChild(window.document.createTextNode((s=t,TEXTAREA_ELEMENT.innerHTML=s,s=TEXTAREA_ELEMENT.textContent,TEXTAREA_ELEMENT.textContent="",s)));else{if("/"===t[1]){tagStack.length&&tagStack[tagStack.length-1]===t.substr(2).replace(">","")&&(tagStack.pop(),current=current.parentNode);continue}var node,ts=parseTimeStamp(t.substr(1,t.length-2));if(ts){node=window.document.createProcessingInstruction("timestamp",ts),current.appendChild(node);continue}var m=t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/);if(!m)continue;if(!(node=createElement(m[1],m[3])))continue;if(!shouldAdd(current,node))continue;if(m[2]){var classes=m[2].split(".");classes.forEach((function(cl){var bgColor=/^bg_/.test(cl),colorName=bgColor?cl.slice(3):cl;if(DEFAULT_COLOR_CLASS.hasOwnProperty(colorName)){var propName=bgColor?"background-color":"color",propValue=DEFAULT_COLOR_CLASS[colorName];node.style[propName]=propValue}})),node.className=classes.join(" ")}tagStack.push(m[1]),current.appendChild(node),current=node}return rootDiv}var strongRTLRanges=[[1470,1470],[1472,1472],[1475,1475],[1478,1478],[1488,1514],[1520,1524],[1544,1544],[1547,1547],[1549,1549],[1563,1563],[1566,1610],[1645,1647],[1649,1749],[1765,1766],[1774,1775],[1786,1805],[1807,1808],[1810,1839],[1869,1957],[1969,1969],[1984,2026],[2036,2037],[2042,2042],[2048,2069],[2074,2074],[2084,2084],[2088,2088],[2096,2110],[2112,2136],[2142,2142],[2208,2208],[2210,2220],[8207,8207],[64285,64285],[64287,64296],[64298,64310],[64312,64316],[64318,64318],[64320,64321],[64323,64324],[64326,64449],[64467,64829],[64848,64911],[64914,64967],[65008,65020],[65136,65140],[65142,65276],[67584,67589],[67592,67592],[67594,67637],[67639,67640],[67644,67644],[67647,67669],[67671,67679],[67840,67867],[67872,67897],[67903,67903],[67968,68023],[68030,68031],[68096,68096],[68112,68115],[68117,68119],[68121,68147],[68160,68167],[68176,68184],[68192,68223],[68352,68405],[68416,68437],[68440,68466],[68472,68479],[68608,68680],[126464,126467],[126469,126495],[126497,126498],[126500,126500],[126503,126503],[126505,126514],[126516,126519],[126521,126521],[126523,126523],[126530,126530],[126535,126535],[126537,126537],[126539,126539],[126541,126543],[126545,126546],[126548,126548],[126551,126551],[126553,126553],[126555,126555],[126557,126557],[126559,126559],[126561,126562],[126564,126564],[126567,126570],[126572,126578],[126580,126583],[126585,126588],[126590,126590],[126592,126601],[126603,126619],[126625,126627],[126629,126633],[126635,126651],[1114109,1114109]];function isStrongRTLChar(charCode){for(var i=0;i<strongRTLRanges.length;i++){var currentRange=strongRTLRanges[i];if(charCode>=currentRange[0]&&charCode<=currentRange[1])return!0}return!1}function determineBidi(cueDiv){var nodeStack=[],text="";if(!cueDiv||!cueDiv.childNodes)return"ltr";function pushNodes(nodeStack,node){for(var i=node.childNodes.length-1;i>=0;i--)nodeStack.push(node.childNodes[i])}function nextTextNode(nodeStack){if(!nodeStack||!nodeStack.length)return null;var node=nodeStack.pop(),text=node.textContent||node.innerText;if(text){var m=text.match(/^.*(\n|\r)/);return m?(nodeStack.length=0,m[0]):text}return"ruby"===node.tagName?nextTextNode(nodeStack):node.childNodes?(pushNodes(nodeStack,node),nextTextNode(nodeStack)):void 0}for(pushNodes(nodeStack,cueDiv);text=nextTextNode(nodeStack);)for(var i=0;i<text.length;i++)if(isStrongRTLChar(text.charCodeAt(i)))return"rtl";return"ltr"}function StyleBox(){}function CueStyleBox(window,cue,styleOptions){StyleBox.call(this),this.cue=cue,this.cueDiv=parseContent(window,cue.text);var styles={color:"rgba(255, 255, 255, 1)",backgroundColor:"rgba(0, 0, 0, 0.8)",position:"relative",left:0,right:0,top:0,bottom:0,display:"inline",writingMode:""===cue.vertical?"horizontal-tb":"lr"===cue.vertical?"vertical-lr":"vertical-rl",unicodeBidi:"plaintext"};this.applyStyles(styles,this.cueDiv),this.div=window.document.createElement("div"),styles={direction:determineBidi(this.cueDiv),writingMode:""===cue.vertical?"horizontal-tb":"lr"===cue.vertical?"vertical-lr":"vertical-rl",unicodeBidi:"plaintext",textAlign:"middle"===cue.align?"center":cue.align,font:styleOptions.font,whiteSpace:"pre-line",position:"absolute"},this.applyStyles(styles),this.div.appendChild(this.cueDiv);var textPos=0;switch(cue.positionAlign){case"start":textPos=cue.position;break;case"center":textPos=cue.position-cue.size/2;break;case"end":textPos=cue.position-cue.size}""===cue.vertical?this.applyStyles({left:this.formatStyle(textPos,"%"),width:this.formatStyle(cue.size,"%")}):this.applyStyles({top:this.formatStyle(textPos,"%"),height:this.formatStyle(cue.size,"%")}),this.move=function(box){this.applyStyles({top:this.formatStyle(box.top,"px"),bottom:this.formatStyle(box.bottom,"px"),left:this.formatStyle(box.left,"px"),right:this.formatStyle(box.right,"px"),height:this.formatStyle(box.height,"px"),width:this.formatStyle(box.width,"px")})}}function BoxPosition(obj){var lh,height,width,top;if(obj.div){height=obj.div.offsetHeight,width=obj.div.offsetWidth,top=obj.div.offsetTop;var rects=(rects=obj.div.childNodes)&&(rects=rects[0])&&rects.getClientRects&&rects.getClientRects();obj=obj.div.getBoundingClientRect(),lh=rects?Math.max(rects[0]&&rects[0].height||0,obj.height/rects.length):0}this.left=obj.left,this.right=obj.right,this.top=obj.top||top,this.height=obj.height||height,this.bottom=obj.bottom||top+(obj.height||height),this.width=obj.width||width,this.lineHeight=void 0!==lh?lh:obj.lineHeight}function moveBoxToLinePosition(window,styleBox,containerBox,boxPositions){var boxPosition=new BoxPosition(styleBox),cue=styleBox.cue,linePos=function(cue){if("number"==typeof cue.line&&(cue.snapToLines||cue.line>=0&&cue.line<=100))return cue.line;if(!cue.track||!cue.track.textTrackList||!cue.track.textTrackList.mediaElement)return-1;for(var track=cue.track,trackList=track.textTrackList,count=0,i=0;i<trackList.length&&trackList[i]!==track;i++)"showing"===trackList[i].mode&&count++;return-1*++count}(cue),axis=[];if(cue.snapToLines){var size;switch(cue.vertical){case"":axis=["+y","-y"],size="height";break;case"rl":axis=["+x","-x"],size="width";break;case"lr":axis=["-x","+x"],size="width"}var step=boxPosition.lineHeight,position=step*Math.round(linePos),maxPosition=containerBox[size]+step,initialAxis=axis[0];Math.abs(position)>maxPosition&&(position=position<0?-1:1,position*=Math.ceil(maxPosition/step)*step),linePos<0&&(position+=""===cue.vertical?containerBox.height:containerBox.width,axis=axis.reverse()),boxPosition.move(initialAxis,position)}else{var calculatedPercentage=boxPosition.lineHeight/containerBox.height*100;switch(cue.lineAlign){case"center":linePos-=calculatedPercentage/2;break;case"end":linePos-=calculatedPercentage}switch(cue.vertical){case"":styleBox.applyStyles({top:styleBox.formatStyle(linePos,"%")});break;case"rl":styleBox.applyStyles({left:styleBox.formatStyle(linePos,"%")});break;case"lr":styleBox.applyStyles({right:styleBox.formatStyle(linePos,"%")})}axis=["+y","-x","+x","-y"],boxPosition=new BoxPosition(styleBox)}var bestPosition=function(b,axis){for(var bestPosition,specifiedPosition=new BoxPosition(b),percentage=1,i=0;i<axis.length;i++){for(;b.overlapsOppositeAxis(containerBox,axis[i])||b.within(containerBox)&&b.overlapsAny(boxPositions);)b.move(axis[i]);if(b.within(containerBox))return b;var p=b.intersectPercentage(containerBox);percentage>p&&(bestPosition=new BoxPosition(b),percentage=p),b=new BoxPosition(specifiedPosition)}return bestPosition||specifiedPosition}(boxPosition,axis);styleBox.move(bestPosition.toCSSCompatValues(containerBox))}function WebVTT$1(){}StyleBox.prototype.applyStyles=function(styles,div){for(var prop in div=div||this.div,styles)styles.hasOwnProperty(prop)&&(div.style[prop]=styles[prop])},StyleBox.prototype.formatStyle=function(val,unit){return 0===val?0:val+unit},CueStyleBox.prototype=_objCreate(StyleBox.prototype),CueStyleBox.prototype.constructor=CueStyleBox,BoxPosition.prototype.move=function(axis,toMove){switch(toMove=void 0!==toMove?toMove:this.lineHeight,axis){case"+x":this.left+=toMove,this.right+=toMove;break;case"-x":this.left-=toMove,this.right-=toMove;break;case"+y":this.top+=toMove,this.bottom+=toMove;break;case"-y":this.top-=toMove,this.bottom-=toMove}},BoxPosition.prototype.overlaps=function(b2){return this.left<b2.right&&this.right>b2.left&&this.top<b2.bottom&&this.bottom>b2.top},BoxPosition.prototype.overlapsAny=function(boxes){for(var i=0;i<boxes.length;i++)if(this.overlaps(boxes[i]))return!0;return!1},BoxPosition.prototype.within=function(container){return this.top>=container.top&&this.bottom<=container.bottom&&this.left>=container.left&&this.right<=container.right},BoxPosition.prototype.overlapsOppositeAxis=function(container,axis){switch(axis){case"+x":return this.left<container.left;case"-x":return this.right>container.right;case"+y":return this.top<container.top;case"-y":return this.bottom>container.bottom}},BoxPosition.prototype.intersectPercentage=function(b2){return Math.max(0,Math.min(this.right,b2.right)-Math.max(this.left,b2.left))*Math.max(0,Math.min(this.bottom,b2.bottom)-Math.max(this.top,b2.top))/(this.height*this.width)},BoxPosition.prototype.toCSSCompatValues=function(reference){return{top:this.top-reference.top,bottom:reference.bottom-this.bottom,left:this.left-reference.left,right:reference.right-this.right,height:this.height,width:this.width}},BoxPosition.getSimpleBoxPosition=function(obj){var height=obj.div?obj.div.offsetHeight:obj.tagName?obj.offsetHeight:0,width=obj.div?obj.div.offsetWidth:obj.tagName?obj.offsetWidth:0,top=obj.div?obj.div.offsetTop:obj.tagName?obj.offsetTop:0;return{left:(obj=obj.div?obj.div.getBoundingClientRect():obj.tagName?obj.getBoundingClientRect():obj).left,right:obj.right,top:obj.top||top,height:obj.height||height,bottom:obj.bottom||top+(obj.height||height),width:obj.width||width}},WebVTT$1.StringDecoder=function(){return{decode:function(data){if(!data)return"";if("string"!=typeof data)throw new Error("Error - expected string data.");return decodeURIComponent(encodeURIComponent(data))}}},WebVTT$1.convertCueToDOMTree=function(window,cuetext){return window&&cuetext?parseContent(window,cuetext):null},WebVTT$1.processCues=function(window,cues,overlay){if(!window||!cues||!overlay)return null;for(;overlay.firstChild;)overlay.removeChild(overlay.firstChild);var paddedOverlay=window.document.createElement("div");if(paddedOverlay.style.position="absolute",paddedOverlay.style.left="0",paddedOverlay.style.right="0",paddedOverlay.style.top="0",paddedOverlay.style.bottom="0",paddedOverlay.style.margin="1.5%",overlay.appendChild(paddedOverlay),function(cues){for(var i=0;i<cues.length;i++)if(cues[i].hasBeenReset||!cues[i].displayState)return!0;return!1}(cues)){var boxPositions=[],containerBox=BoxPosition.getSimpleBoxPosition(paddedOverlay),styleOptions={font:Math.round(.05*containerBox.height*100)/100+"px sans-serif"};!function(){for(var styleBox,cue,i=0;i<cues.length;i++)cue=cues[i],styleBox=new CueStyleBox(window,cue,styleOptions),paddedOverlay.appendChild(styleBox.div),moveBoxToLinePosition(0,styleBox,containerBox,boxPositions),cue.displayState=styleBox.div,boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox))}()}else for(var i=0;i<cues.length;i++)paddedOverlay.appendChild(cues[i].displayState)},WebVTT$1.Parser=function(window,vttjs,decoder){decoder||(decoder=vttjs,vttjs={}),vttjs||(vttjs={}),this.window=window,this.vttjs=vttjs,this.state="INITIAL",this.buffer="",this.decoder=decoder||new TextDecoder("utf8"),this.regionList=[]},WebVTT$1.Parser.prototype={reportOrThrowError:function(e){if(!(e instanceof ParsingError))throw e;this.onparsingerror&&this.onparsingerror(e)},parse:function(data){var self=this;function collectNextLine(){for(var buffer=self.buffer,pos=0;pos<buffer.length&&"\r"!==buffer[pos]&&"\n"!==buffer[pos];)++pos;var line=buffer.substr(0,pos);return"\r"===buffer[pos]&&++pos,"\n"===buffer[pos]&&++pos,self.buffer=buffer.substr(pos),line}function parseHeader(input){input.match(/X-TIMESTAMP-MAP/)?parseOptions(input,(function(k,v){"X-TIMESTAMP-MAP"===k&&function(input){var settings=new Settings;parseOptions(input,(function(k,v){switch(k){case"MPEGT":settings.integer(k+"S",v);break;case"LOCA":settings.set(k+"L",parseTimeStamp(v))}}),/[^\d]:/,/,/),self.ontimestampmap&&self.ontimestampmap({MPEGTS:settings.get("MPEGTS"),LOCAL:settings.get("LOCAL")})}(v)}),/=/):parseOptions(input,(function(k,v){"Region"===k&&function(input){var settings=new Settings;if(parseOptions(input,(function(k,v){switch(k){case"id":settings.set(k,v);break;case"width":settings.percent(k,v);break;case"lines":settings.integer(k,v);break;case"regionanchor":case"viewportanchor":var xy=v.split(",");if(2!==xy.length)break;var anchor=new Settings;if(anchor.percent("x",xy[0]),anchor.percent("y",xy[1]),!anchor.has("x")||!anchor.has("y"))break;settings.set(k+"X",anchor.get("x")),settings.set(k+"Y",anchor.get("y"));break;case"scroll":settings.alt(k,v,["up"])}}),/=/,/\s/),settings.has("id")){var region=new(self.vttjs.VTTRegion||self.window.VTTRegion);region.width=settings.get("width",100),region.lines=settings.get("lines",3),region.regionAnchorX=settings.get("regionanchorX",0),region.regionAnchorY=settings.get("regionanchorY",100),region.viewportAnchorX=settings.get("viewportanchorX",0),region.viewportAnchorY=settings.get("viewportanchorY",100),region.scroll=settings.get("scroll",""),self.onregion&&self.onregion(region),self.regionList.push({id:settings.get("id"),region:region})}}(v)}),/:/)}data&&(self.buffer+=self.decoder.decode(data,{stream:!0}));try{var line;if("INITIAL"===self.state){if(!/\r\n|\n/.test(self.buffer))return this;var m=(line=collectNextLine()).match(/^WEBVTT([ \t].*)?$/);if(!m||!m[0])throw new ParsingError(ParsingError.Errors.BadSignature);self.state="HEADER"}for(var alreadyCollectedLine=!1;self.buffer;){if(!/\r\n|\n/.test(self.buffer))return this;switch(alreadyCollectedLine?alreadyCollectedLine=!1:line=collectNextLine(),self.state){case"HEADER":/:/.test(line)?parseHeader(line):line||(self.state="ID");continue;case"NOTE":line||(self.state="ID");continue;case"ID":if(/^NOTE($|[ \t])/.test(line)){self.state="NOTE";break}if(!line)continue;self.cue=new(self.vttjs.VTTCue||self.window.VTTCue)(0,0,"");try{self.cue.align="center"}catch(e){self.cue.align="middle"}if(self.state="CUE",-1===line.indexOf("--\x3e")){self.cue.id=line;continue}case"CUE":try{parseCue(line,self.cue,self.regionList)}catch(e){self.reportOrThrowError(e),self.cue=null,self.state="BADCUE";continue}self.state="CUETEXT";continue;case"CUETEXT":var hasSubstring=-1!==line.indexOf("--\x3e");if(!line||hasSubstring&&(alreadyCollectedLine=!0)){self.oncue&&self.oncue(self.cue),self.cue=null,self.state="ID";continue}self.cue.text&&(self.cue.text+="\n"),self.cue.text+=line.replace(/\u2028/g,"\n").replace(/u2029/g,"\n");continue;case"BADCUE":line||(self.state="ID");continue}}}catch(e){self.reportOrThrowError(e),"CUETEXT"===self.state&&self.cue&&self.oncue&&self.oncue(self.cue),self.cue=null,self.state="INITIAL"===self.state?"BADWEBVTT":"BADCUE"}return this},flush:function(){try{if(this.buffer+=this.decoder.decode(),(this.cue||"HEADER"===this.state)&&(this.buffer+="\n\n",this.parse()),"INITIAL"===this.state)throw new ParsingError(ParsingError.Errors.BadSignature)}catch(e){this.reportOrThrowError(e)}return this.onflush&&this.onflush(),this}};var vtt=WebVTT$1,directionSetting={"":1,lr:1,rl:1},alignSetting={start:1,center:1,end:1,left:1,right:1,auto:1,"line-left":1,"line-right":1};function findAlignSetting(value){return"string"==typeof value&&!!alignSetting[value.toLowerCase()]&&value.toLowerCase()}function VTTCue(startTime,endTime,text){this.hasBeenReset=!1;var _id="",_pauseOnExit=!1,_startTime=startTime,_endTime=endTime,_text=text,_region=null,_vertical="",_snapToLines=!0,_line="auto",_lineAlign="start",_position="auto",_positionAlign="auto",_size=100,_align="center";Object.defineProperties(this,{id:{enumerable:!0,get:function(){return _id},set:function(value){_id=""+value}},pauseOnExit:{enumerable:!0,get:function(){return _pauseOnExit},set:function(value){_pauseOnExit=!!value}},startTime:{enumerable:!0,get:function(){return _startTime},set:function(value){if("number"!=typeof value)throw new TypeError("Start time must be set to a number.");_startTime=value,this.hasBeenReset=!0}},endTime:{enumerable:!0,get:function(){return _endTime},set:function(value){if("number"!=typeof value)throw new TypeError("End time must be set to a number.");_endTime=value,this.hasBeenReset=!0}},text:{enumerable:!0,get:function(){return _text},set:function(value){_text=""+value,this.hasBeenReset=!0}},region:{enumerable:!0,get:function(){return _region},set:function(value){_region=value,this.hasBeenReset=!0}},vertical:{enumerable:!0,get:function(){return _vertical},set:function(value){var setting=function(value){return"string"==typeof value&&!!directionSetting[value.toLowerCase()]&&value.toLowerCase()}(value);if(!1===setting)throw new SyntaxError("Vertical: an invalid or illegal direction string was specified.");_vertical=setting,this.hasBeenReset=!0}},snapToLines:{enumerable:!0,get:function(){return _snapToLines},set:function(value){_snapToLines=!!value,this.hasBeenReset=!0}},line:{enumerable:!0,get:function(){return _line},set:function(value){if("number"!=typeof value&&"auto"!==value)throw new SyntaxError("Line: an invalid number or illegal string was specified.");_line=value,this.hasBeenReset=!0}},lineAlign:{enumerable:!0,get:function(){return _lineAlign},set:function(value){var setting=findAlignSetting(value);setting?(_lineAlign=setting,this.hasBeenReset=!0):console.warn("lineAlign: an invalid or illegal string was specified.")}},position:{enumerable:!0,get:function(){return _position},set:function(value){if(value<0||value>100)throw new Error("Position must be between 0 and 100.");_position=value,this.hasBeenReset=!0}},positionAlign:{enumerable:!0,get:function(){return _positionAlign},set:function(value){var setting=findAlignSetting(value);setting?(_positionAlign=setting,this.hasBeenReset=!0):console.warn("positionAlign: an invalid or illegal string was specified.")}},size:{enumerable:!0,get:function(){return _size},set:function(value){if(value<0||value>100)throw new Error("Size must be between 0 and 100.");_size=value,this.hasBeenReset=!0}},align:{enumerable:!0,get:function(){return _align},set:function(value){var setting=findAlignSetting(value);if(!setting)throw new SyntaxError("align: an invalid or illegal alignment string was specified.");_align=setting,this.hasBeenReset=!0}}}),this.displayState=void 0}VTTCue.prototype.getCueAsHTML=function(){return WebVTT.convertCueToDOMTree(window,this.text)};var vttcue=VTTCue,scrollSetting={"":!0,up:!0};function isValidPercentValue(value){return"number"==typeof value&&value>=0&&value<=100}var vttregion=function(){var _width=100,_lines=3,_regionAnchorX=0,_regionAnchorY=100,_viewportAnchorX=0,_viewportAnchorY=100,_scroll="";Object.defineProperties(this,{width:{enumerable:!0,get:function(){return _width},set:function(value){if(!isValidPercentValue(value))throw new Error("Width must be between 0 and 100.");_width=value}},lines:{enumerable:!0,get:function(){return _lines},set:function(value){if("number"!=typeof value)throw new TypeError("Lines must be set to a number.");_lines=value}},regionAnchorY:{enumerable:!0,get:function(){return _regionAnchorY},set:function(value){if(!isValidPercentValue(value))throw new Error("RegionAnchorX must be between 0 and 100.");_regionAnchorY=value}},regionAnchorX:{enumerable:!0,get:function(){return _regionAnchorX},set:function(value){if(!isValidPercentValue(value))throw new Error("RegionAnchorY must be between 0 and 100.");_regionAnchorX=value}},viewportAnchorY:{enumerable:!0,get:function(){return _viewportAnchorY},set:function(value){if(!isValidPercentValue(value))throw new Error("ViewportAnchorY must be between 0 and 100.");_viewportAnchorY=value}},viewportAnchorX:{enumerable:!0,get:function(){return _viewportAnchorX},set:function(value){if(!isValidPercentValue(value))throw new Error("ViewportAnchorX must be between 0 and 100.");_viewportAnchorX=value}},scroll:{enumerable:!0,get:function(){return _scroll},set:function(value){var setting=function(value){return"string"==typeof value&&!!scrollSetting[value.toLowerCase()]&&value.toLowerCase()}(value);!1===setting?console.warn("Scroll: an invalid or illegal string was specified."):_scroll=setting}}})},browserIndex=createCommonjsModule((function(module){var vttjs=module.exports={WebVTT:vtt,VTTCue:vttcue,VTTRegion:vttregion};window$3.vttjs=vttjs,window$3.WebVTT=vttjs.WebVTT;var cueShim=vttjs.VTTCue,regionShim=vttjs.VTTRegion,nativeVTTCue=window$3.VTTCue,nativeVTTRegion=window$3.VTTRegion;vttjs.shim=function(){window$3.VTTCue=cueShim,window$3.VTTRegion=regionShim},vttjs.restore=function(){window$3.VTTCue=nativeVTTCue,window$3.VTTRegion=nativeVTTRegion},window$3.VTTCue||vttjs.shim()}));browserIndex.WebVTT,browserIndex.VTTCue,browserIndex.VTTRegion;var Tech=function(_Component){function Tech(options,ready){var _this;return void 0===options&&(options={}),void 0===ready&&(ready=function(){}),options.reportTouchActivity=!1,(_this=_Component.call(this,null,options,ready)||this).hasStarted_=!1,_this.on("playing",(function(){this.hasStarted_=!0})),_this.on("loadstart",(function(){this.hasStarted_=!1})),ALL.names.forEach((function(name){var props=ALL[name];options&&options[props.getterName]&&(_this[props.privateName]=options[props.getterName])})),_this.featuresProgressEvents||_this.manualProgressOn(),_this.featuresTimeupdateEvents||_this.manualTimeUpdatesOn(),["Text","Audio","Video"].forEach((function(track){!1===options["native"+track+"Tracks"]&&(_this["featuresNative"+track+"Tracks"]=!1)})),!1===options.nativeCaptions||!1===options.nativeTextTracks?_this.featuresNativeTextTracks=!1:!0!==options.nativeCaptions&&!0!==options.nativeTextTracks||(_this.featuresNativeTextTracks=!0),_this.featuresNativeTextTracks||_this.emulateTextTracks(),_this.preloadTextTracks=!1!==options.preloadTextTracks,_this.autoRemoteTextTracks_=new ALL.text.ListClass,_this.initTrackListeners(),options.nativeControlsForTouch||_this.emitTapEvents(),_this.constructor&&(_this.name_=_this.constructor.name||"Unknown Tech"),_this}inheritsLoose(Tech,_Component);var _proto=Tech.prototype;return _proto.triggerSourceset=function(src){var _this2=this;this.isReady_||this.one("ready",(function(){return _this2.setTimeout((function(){return _this2.triggerSourceset(src)}),1)})),this.trigger({src:src,type:"sourceset"})},_proto.manualProgressOn=function(){this.on("durationchange",this.onDurationChange),this.manualProgress=!0,this.one("ready",this.trackProgress)},_proto.manualProgressOff=function(){this.manualProgress=!1,this.stopTrackingProgress(),this.off("durationchange",this.onDurationChange)},_proto.trackProgress=function(event){this.stopTrackingProgress(),this.progressInterval=this.setInterval(bind(this,(function(){var numBufferedPercent=this.bufferedPercent();this.bufferedPercent_!==numBufferedPercent&&this.trigger("progress"),this.bufferedPercent_=numBufferedPercent,1===numBufferedPercent&&this.stopTrackingProgress()})),500)},_proto.onDurationChange=function(event){this.duration_=this.duration()},_proto.buffered=function(){return createTimeRanges(0,0)},_proto.bufferedPercent=function(){return bufferedPercent(this.buffered(),this.duration_)},_proto.stopTrackingProgress=function(){this.clearInterval(this.progressInterval)},_proto.manualTimeUpdatesOn=function(){this.manualTimeUpdates=!0,this.on("play",this.trackCurrentTime),this.on("pause",this.stopTrackingCurrentTime)},_proto.manualTimeUpdatesOff=function(){this.manualTimeUpdates=!1,this.stopTrackingCurrentTime(),this.off("play",this.trackCurrentTime),this.off("pause",this.stopTrackingCurrentTime)},_proto.trackCurrentTime=function(){this.currentTimeInterval&&this.stopTrackingCurrentTime(),this.currentTimeInterval=this.setInterval((function(){this.trigger({type:"timeupdate",target:this,manuallyTriggered:!0})}),250)},_proto.stopTrackingCurrentTime=function(){this.clearInterval(this.currentTimeInterval),this.trigger({type:"timeupdate",target:this,manuallyTriggered:!0})},_proto.dispose=function(){this.clearTracks(NORMAL.names),this.manualProgress&&this.manualProgressOff(),this.manualTimeUpdates&&this.manualTimeUpdatesOff(),_Component.prototype.dispose.call(this)},_proto.clearTracks=function(types){var _this3=this;(types=[].concat(types)).forEach((function(type){for(var list=_this3[type+"Tracks"]()||[],i=list.length;i--;){var track=list[i];"text"===type&&_this3.removeRemoteTextTrack(track),list.removeTrack(track)}}))},_proto.cleanupAutoTextTracks=function(){for(var list=this.autoRemoteTextTracks_||[],i=list.length;i--;){var track=list[i];this.removeRemoteTextTrack(track)}},_proto.reset=function(){},_proto.error=function(err){return void 0!==err&&(this.error_=new MediaError(err),this.trigger("error")),this.error_},_proto.played=function(){return this.hasStarted_?createTimeRanges(0,0):createTimeRanges()},_proto.setCurrentTime=function(){this.manualTimeUpdates&&this.trigger({type:"timeupdate",target:this,manuallyTriggered:!0})},_proto.initTrackListeners=function(){var _this4=this;NORMAL.names.forEach((function(name){var props=NORMAL[name],trackListChanges=function(){_this4.trigger(name+"trackchange")},tracks=_this4[props.getterName]();tracks.addEventListener("removetrack",trackListChanges),tracks.addEventListener("addtrack",trackListChanges),_this4.on("dispose",(function(){tracks.removeEventListener("removetrack",trackListChanges),tracks.removeEventListener("addtrack",trackListChanges)}))}))},_proto.addWebVttScript_=function(){var _this5=this;if(!window$3.WebVTT)if(document.body.contains(this.el())){if(!this.options_["vtt.js"]&&isPlain(browserIndex)&&Object.keys(browserIndex).length>0)return void this.trigger("vttjsloaded");var script=document.createElement("script");script.src=this.options_["vtt.js"]||"https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js",script.onload=function(){_this5.trigger("vttjsloaded")},script.onerror=function(){_this5.trigger("vttjserror")},this.on("dispose",(function(){script.onload=null,script.onerror=null})),window$3.WebVTT=!0,this.el().parentNode.appendChild(script)}else this.ready(this.addWebVttScript_)},_proto.emulateTextTracks=function(){var _this6=this,tracks=this.textTracks(),remoteTracks=this.remoteTextTracks(),handleAddTrack=function(e){return tracks.addTrack(e.track)},handleRemoveTrack=function(e){return tracks.removeTrack(e.track)};remoteTracks.on("addtrack",handleAddTrack),remoteTracks.on("removetrack",handleRemoveTrack),this.addWebVttScript_();var updateDisplay=function(){return _this6.trigger("texttrackchange")},textTracksChanges=function(){updateDisplay();for(var i=0;i<tracks.length;i++){var track=tracks[i];track.removeEventListener("cuechange",updateDisplay),"showing"===track.mode&&track.addEventListener("cuechange",updateDisplay)}};textTracksChanges(),tracks.addEventListener("change",textTracksChanges),tracks.addEventListener("addtrack",textTracksChanges),tracks.addEventListener("removetrack",textTracksChanges),this.on("dispose",(function(){remoteTracks.off("addtrack",handleAddTrack),remoteTracks.off("removetrack",handleRemoveTrack),tracks.removeEventListener("change",textTracksChanges),tracks.removeEventListener("addtrack",textTracksChanges),tracks.removeEventListener("removetrack",textTracksChanges);for(var i=0;i<tracks.length;i++)tracks[i].removeEventListener("cuechange",updateDisplay)}))},_proto.addTextTrack=function(kind,label,language){if(!kind)throw new Error("TextTrack kind is required but was not provided");return function(self,kind,label,language,options){void 0===options&&(options={});var tracks=self.textTracks();options.kind=kind,label&&(options.label=label),language&&(options.language=language),options.tech=self;var track=new ALL.text.TrackClass(options);return tracks.addTrack(track),track}(this,kind,label,language)},_proto.createRemoteTextTrack=function(options){var track=mergeOptions(options,{tech:this});return new REMOTE.remoteTextEl.TrackClass(track)},_proto.addRemoteTextTrack=function(options,manualCleanup){var _this7=this;void 0===options&&(options={});var htmlTrackElement=this.createRemoteTextTrack(options);return!0!==manualCleanup&&!1!==manualCleanup&&(log.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js'),manualCleanup=!0),this.remoteTextTrackEls().addTrackElement_(htmlTrackElement),this.remoteTextTracks().addTrack(htmlTrackElement.track),!0!==manualCleanup&&this.ready((function(){return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track)})),htmlTrackElement},_proto.removeRemoteTextTrack=function(track){var trackElement=this.remoteTextTrackEls().getTrackElementByTrack_(track);this.remoteTextTrackEls().removeTrackElement_(trackElement),this.remoteTextTracks().removeTrack(track),this.autoRemoteTextTracks_.removeTrack(track)},_proto.getVideoPlaybackQuality=function(){return{}},_proto.requestPictureInPicture=function(){var PromiseClass=this.options_.Promise||window$3.Promise;if(PromiseClass)return PromiseClass.reject()},_proto.setPoster=function(){},_proto.playsinline=function(){},_proto.setPlaysinline=function(){},_proto.overrideNativeAudioTracks=function(){},_proto.overrideNativeVideoTracks=function(){},_proto.canPlayType=function(){return""},Tech.canPlayType=function(){return""},Tech.canPlaySource=function(srcObj,options){return Tech.canPlayType(srcObj.type)},Tech.isTech=function(component){return component.prototype instanceof Tech||component instanceof Tech||component===Tech},Tech.registerTech=function(name,tech){if(Tech.techs_||(Tech.techs_={}),!Tech.isTech(tech))throw new Error("Tech "+name+" must be a Tech");if(!Tech.canPlayType)throw new Error("Techs must have a static canPlayType method on them");if(!Tech.canPlaySource)throw new Error("Techs must have a static canPlaySource method on them");return name=toTitleCase(name),Tech.techs_[name]=tech,Tech.techs_[toLowerCase(name)]=tech,"Tech"!==name&&Tech.defaultTechOrder_.push(name),tech},Tech.getTech=function(name){if(name)return Tech.techs_&&Tech.techs_[name]?Tech.techs_[name]:(name=toTitleCase(name),window$3&&window$3.videojs&&window$3.videojs[name]?(log.warn("The "+name+" tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)"),window$3.videojs[name]):void 0)},Tech}(Component);ALL.names.forEach((function(name){var props=ALL[name];Tech.prototype[props.getterName]=function(){return this[props.privateName]=this[props.privateName]||new props.ListClass,this[props.privateName]}})),Tech.prototype.featuresVolumeControl=!0,Tech.prototype.featuresMuteControl=!0,Tech.prototype.featuresFullscreenResize=!1,Tech.prototype.featuresPlaybackRate=!1,Tech.prototype.featuresProgressEvents=!1,Tech.prototype.featuresSourceset=!1,Tech.prototype.featuresTimeupdateEvents=!1,Tech.prototype.featuresNativeTextTracks=!1,Tech.withSourceHandlers=function(_Tech){_Tech.registerSourceHandler=function(handler,index){var handlers=_Tech.sourceHandlers;handlers||(handlers=_Tech.sourceHandlers=[]),void 0===index&&(index=handlers.length),handlers.splice(index,0,handler)},_Tech.canPlayType=function(type){for(var can,handlers=_Tech.sourceHandlers||[],i=0;i<handlers.length;i++)if(can=handlers[i].canPlayType(type))return can;return""},_Tech.selectSourceHandler=function(source,options){for(var handlers=_Tech.sourceHandlers||[],i=0;i<handlers.length;i++)if(handlers[i].canHandleSource(source,options))return handlers[i];return null},_Tech.canPlaySource=function(srcObj,options){var sh=_Tech.selectSourceHandler(srcObj,options);return sh?sh.canHandleSource(srcObj,options):""},["seekable","seeking","duration"].forEach((function(fnName){var originalFn=this[fnName];"function"==typeof originalFn&&(this[fnName]=function(){return this.sourceHandler_&&this.sourceHandler_[fnName]?this.sourceHandler_[fnName].apply(this.sourceHandler_,arguments):originalFn.apply(this,arguments)})}),_Tech.prototype),_Tech.prototype.setSource=function(source){var sh=_Tech.selectSourceHandler(source,this.options_);sh||(_Tech.nativeSourceHandler?sh=_Tech.nativeSourceHandler:log.error("No source handler found for the current source.")),this.disposeSourceHandler(),this.off("dispose",this.disposeSourceHandler),sh!==_Tech.nativeSourceHandler&&(this.currentSource_=source),this.sourceHandler_=sh.handleSource(source,this,this.options_),this.one("dispose",this.disposeSourceHandler)},_Tech.prototype.disposeSourceHandler=function(){this.currentSource_&&(this.clearTracks(["audio","video"]),this.currentSource_=null),this.cleanupAutoTextTracks(),this.sourceHandler_&&(this.sourceHandler_.dispose&&this.sourceHandler_.dispose(),this.sourceHandler_=null)}},Component.registerComponent("Tech",Tech),Tech.registerTech("Tech",Tech),Tech.defaultTechOrder_=[];var middlewares={},middlewareInstances={},TERMINATOR={};function setSource(player,src,next){player.setTimeout((function(){return setSourceHelper(src,middlewares[src.type],next,player)}),1)}function mediate(middleware,tech,method,arg){void 0===arg&&(arg=null);var callMethod="call"+toTitleCase(method),middlewareValue=middleware.reduce(middlewareIterator(callMethod),arg),terminated=middlewareValue===TERMINATOR,returnValue=terminated?null:tech[method](middlewareValue);return function(mws,method,value,terminated){for(var i=mws.length-1;i>=0;i--){var mw=mws[i];mw[method]&&mw[method](terminated,value)}}(middleware,method,returnValue,terminated),returnValue}var allowedGetters={buffered:1,currentTime:1,duration:1,muted:1,played:1,paused:1,seekable:1,volume:1},allowedSetters={setCurrentTime:1,setMuted:1,setVolume:1},allowedMediators={play:1,pause:1};function middlewareIterator(method){return function(value,mw){return value===TERMINATOR?TERMINATOR:mw[method]?mw[method](value):value}}function setSourceHelper(src,middleware,next,player,acc,lastRun){void 0===src&&(src={}),void 0===middleware&&(middleware=[]),void 0===acc&&(acc=[]),void 0===lastRun&&(lastRun=!1);var _middleware=middleware,mwFactory=_middleware[0],mwrest=_middleware.slice(1);if("string"==typeof mwFactory)setSourceHelper(src,middlewares[mwFactory],next,player,acc,lastRun);else if(mwFactory){var mw=function(player,mwFactory){var mws=middlewareInstances[player.id()],mw=null;if(null==mws)return mw=mwFactory(player),middlewareInstances[player.id()]=[[mwFactory,mw]],mw;for(var i=0;i<mws.length;i++){var _mws$i=mws[i],mwf=_mws$i[0],mwi=_mws$i[1];mwf===mwFactory&&(mw=mwi)}return null===mw&&(mw=mwFactory(player),mws.push([mwFactory,mw])),mw}(player,mwFactory);if(!mw.setSource)return acc.push(mw),setSourceHelper(src,mwrest,next,player,acc,lastRun);mw.setSource(assign({},src),(function(err,_src){if(err)return setSourceHelper(src,mwrest,next,player,acc,lastRun);acc.push(mw),setSourceHelper(_src,src.type===_src.type?mwrest:middlewares[_src.type],next,player,acc,lastRun)}))}else mwrest.length?setSourceHelper(src,mwrest,next,player,acc,lastRun):lastRun?next(src,acc):setSourceHelper(src,middlewares["*"],next,player,acc,!0)}var MimetypesKind={opus:"video/ogg",ogv:"video/ogg",mp4:"video/mp4",mov:"video/mp4",m4v:"video/mp4",mkv:"video/x-matroska",m4a:"audio/mp4",mp3:"audio/mpeg",aac:"audio/aac",oga:"audio/ogg",m3u8:"application/x-mpegURL",jpg:"image/jpeg",jpeg:"image/jpeg",gif:"image/gif",png:"image/png",svg:"image/svg+xml",webp:"image/webp"},getMimetype=function(src){void 0===src&&(src="");var ext=getFileExtension(src);return MimetypesKind[ext.toLowerCase()]||""},filterSource=function filterSource(src){if(Array.isArray(src)){var newsrc=[];src.forEach((function(srcobj){srcobj=filterSource(srcobj),Array.isArray(srcobj)?newsrc=newsrc.concat(srcobj):isObject(srcobj)&&newsrc.push(srcobj)})),src=newsrc}else src="string"==typeof src&&src.trim()?[fixSource({src:src})]:isObject(src)&&"string"==typeof src.src&&src.src&&src.src.trim()?[fixSource(src)]:[];return src};function fixSource(src){if(!src.type){var mimetype=getMimetype(src.src);mimetype&&(src.type=mimetype)}return src}var MediaLoader=function(_Component){function MediaLoader(player,options,ready){var _this,options_=mergeOptions({createEl:!1},options);if(_this=_Component.call(this,player,options_,ready)||this,options.playerOptions.sources&&0!==options.playerOptions.sources.length)player.src(options.playerOptions.sources);else for(var i=0,j=options.playerOptions.techOrder;i<j.length;i++){var techName=toTitleCase(j[i]),tech=Tech.getTech(techName);if(techName||(tech=Component.getComponent(techName)),tech&&tech.isSupported()){player.loadTech_(techName);break}}return _this}return inheritsLoose(MediaLoader,_Component),MediaLoader}(Component);Component.registerComponent("MediaLoader",MediaLoader);var ClickableComponent=function(_Component){function ClickableComponent(player,options){var _this;return(_this=_Component.call(this,player,options)||this).emitTapEvents(),_this.enable(),_this}inheritsLoose(ClickableComponent,_Component);var _proto=ClickableComponent.prototype;return _proto.createEl=function(tag,props,attributes){void 0===tag&&(tag="div"),void 0===props&&(props={}),void 0===attributes&&(attributes={}),props=assign({innerHTML:'<span aria-hidden="true" class="vjs-icon-placeholder"></span>',className:this.buildCSSClass(),tabIndex:0},props),"button"===tag&&log.error("Creating a ClickableComponent with an HTML element of "+tag+" is not supported; use a Button instead."),attributes=assign({role:"button"},attributes),this.tabIndex_=props.tabIndex;var el=_Component.prototype.createEl.call(this,tag,props,attributes);return this.createControlTextEl(el),el},_proto.dispose=function(){this.controlTextEl_=null,_Component.prototype.dispose.call(this)},_proto.createControlTextEl=function(el){return this.controlTextEl_=createEl("span",{className:"vjs-control-text"},{"aria-live":"polite"}),el&&el.appendChild(this.controlTextEl_),this.controlText(this.controlText_,el),this.controlTextEl_},_proto.controlText=function(text,el){if(void 0===el&&(el=this.el()),void 0===text)return this.controlText_||"Need Text";var localizedText=this.localize(text);this.controlText_=text,textContent(this.controlTextEl_,localizedText),this.nonIconControl||el.setAttribute("title",localizedText)},_proto.buildCSSClass=function(){return"vjs-control vjs-button "+_Component.prototype.buildCSSClass.call(this)},_proto.enable=function(){this.enabled_||(this.enabled_=!0,this.removeClass("vjs-disabled"),this.el_.setAttribute("aria-disabled","false"),void 0!==this.tabIndex_&&this.el_.setAttribute("tabIndex",this.tabIndex_),this.on(["tap","click"],this.handleClick),this.on("keydown",this.handleKeyDown))},_proto.disable=function(){this.enabled_=!1,this.addClass("vjs-disabled"),this.el_.setAttribute("aria-disabled","true"),void 0!==this.tabIndex_&&this.el_.removeAttribute("tabIndex"),this.off("mouseover",this.handleMouseOver),this.off("mouseout",this.handleMouseOut),this.off(["tap","click"],this.handleClick),this.off("keydown",this.handleKeyDown)},_proto.handleClick=function(event){this.options_.clickHandler&&this.options_.clickHandler.call(this,arguments)},_proto.handleKeyDown=function(event){keycode.isEventKey(event,"Space")||keycode.isEventKey(event,"Enter")?(event.preventDefault(),event.stopPropagation(),this.trigger("click")):_Component.prototype.handleKeyDown.call(this,event)},ClickableComponent}(Component);Component.registerComponent("ClickableComponent",ClickableComponent);var PosterImage=function(_ClickableComponent){function PosterImage(player,options){var _this;return(_this=_ClickableComponent.call(this,player,options)||this).update(),player.on("posterchange",bind(assertThisInitialized(_this),_this.update)),_this}inheritsLoose(PosterImage,_ClickableComponent);var _proto=PosterImage.prototype;return _proto.dispose=function(){this.player().off("posterchange",this.update),_ClickableComponent.prototype.dispose.call(this)},_proto.createEl=function(){return createEl("div",{className:"vjs-poster",tabIndex:-1})},_proto.update=function(event){var url=this.player().poster();this.setSrc(url),url?this.show():this.hide()},_proto.setSrc=function(url){var backgroundImage="";url&&(backgroundImage='url("'+url+'")'),this.el_.style.backgroundImage=backgroundImage},_proto.handleClick=function(event){if(this.player_.controls()){var sourceIsEncrypted=this.player_.usingPlugin("eme")&&this.player_.eme.sessions&&this.player_.eme.sessions.length>0;!this.player_.tech(!0)||(IE_VERSION||IS_EDGE)&&sourceIsEncrypted||this.player_.tech(!0).focus(),this.player_.paused()?silencePromise(this.player_.play()):this.player_.pause()}},PosterImage}(ClickableComponent);Component.registerComponent("PosterImage",PosterImage);var fontMap={monospace:"monospace",sansSerif:"sans-serif",serif:"serif",monospaceSansSerif:'"Andale Mono", "Lucida Console", monospace',monospaceSerif:'"Courier New", monospace',proportionalSansSerif:"sans-serif",proportionalSerif:"serif",casual:'"Comic Sans MS", Impact, fantasy',script:'"Monotype Corsiva", cursive',smallcaps:'"Andale Mono", "Lucida Console", monospace, sans-serif'};function constructColor(color,opacity){var hex;if(4===color.length)hex=color[1]+color[1]+color[2]+color[2]+color[3]+color[3];else{if(7!==color.length)throw new Error("Invalid color code provided, "+color+"; must be formatted as e.g. #f0e or #f604e2.");hex=color.slice(1)}return"rgba("+parseInt(hex.slice(0,2),16)+","+parseInt(hex.slice(2,4),16)+","+parseInt(hex.slice(4,6),16)+","+opacity+")"}function tryUpdateStyle(el,style,rule){try{el.style[style]=rule}catch(e){return}}var TextTrackDisplay=function(_Component){function TextTrackDisplay(player,options,ready){var _this;_this=_Component.call(this,player,options,ready)||this;var updateDisplayHandler=bind(assertThisInitialized(_this),_this.updateDisplay);return player.on("loadstart",bind(assertThisInitialized(_this),_this.toggleDisplay)),player.on("texttrackchange",updateDisplayHandler),player.on("loadedmetadata",bind(assertThisInitialized(_this),_this.preselectTrack)),player.ready(bind(assertThisInitialized(_this),(function(){if(player.tech_&&player.tech_.featuresNativeTextTracks)this.hide();else{player.on("fullscreenchange",updateDisplayHandler),player.on("playerresize",updateDisplayHandler),window$3.addEventListener("orientationchange",updateDisplayHandler),player.on("dispose",(function(){return window$3.removeEventListener("orientationchange",updateDisplayHandler)}));for(var tracks=this.options_.playerOptions.tracks||[],i=0;i<tracks.length;i++)this.player_.addRemoteTextTrack(tracks[i],!0);this.preselectTrack()}}))),_this}inheritsLoose(TextTrackDisplay,_Component);var _proto=TextTrackDisplay.prototype;return _proto.preselectTrack=function(){for(var firstDesc,firstCaptions,preferredTrack,modes={captions:1,subtitles:1},trackList=this.player_.textTracks(),userPref=this.player_.cache_.selectedLanguage,i=0;i<trackList.length;i++){var track=trackList[i];userPref&&userPref.enabled&&userPref.language&&userPref.language===track.language&&track.kind in modes?track.kind===userPref.kind?preferredTrack=track:preferredTrack||(preferredTrack=track):userPref&&!userPref.enabled?(preferredTrack=null,firstDesc=null,firstCaptions=null):track.default&&("descriptions"!==track.kind||firstDesc?track.kind in modes&&!firstCaptions&&(firstCaptions=track):firstDesc=track)}preferredTrack?preferredTrack.mode="showing":firstCaptions?firstCaptions.mode="showing":firstDesc&&(firstDesc.mode="showing")},_proto.toggleDisplay=function(){this.player_.tech_&&this.player_.tech_.featuresNativeTextTracks?this.hide():this.show()},_proto.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:"vjs-text-track-display"},{"aria-live":"off","aria-atomic":"true"})},_proto.clearDisplay=function(){"function"==typeof window$3.WebVTT&&window$3.WebVTT.processCues(window$3,[],this.el_)},_proto.updateDisplay=function(){var tracks=this.player_.textTracks(),allowMultipleShowingTracks=this.options_.allowMultipleShowingTracks;if(this.clearDisplay(),allowMultipleShowingTracks){for(var showingTracks=[],_i=0;_i<tracks.length;++_i){var track=tracks[_i];"showing"===track.mode&&showingTracks.push(track)}this.updateForTrack(showingTracks)}else{for(var descriptionsTrack=null,captionsSubtitlesTrack=null,i=tracks.length;i--;){var _track=tracks[i];"showing"===_track.mode&&("descriptions"===_track.kind?descriptionsTrack=_track:captionsSubtitlesTrack=_track)}captionsSubtitlesTrack?("off"!==this.getAttribute("aria-live")&&this.setAttribute("aria-live","off"),this.updateForTrack(captionsSubtitlesTrack)):descriptionsTrack&&("assertive"!==this.getAttribute("aria-live")&&this.setAttribute("aria-live","assertive"),this.updateForTrack(descriptionsTrack))}},_proto.updateDisplayState=function(track){for(var overrides=this.player_.textTrackSettings.getValues(),cues=track.activeCues,i=cues.length;i--;){var cue=cues[i];if(cue){var cueDiv=cue.displayState;if(overrides.color&&(cueDiv.firstChild.style.color=overrides.color),overrides.textOpacity&&tryUpdateStyle(cueDiv.firstChild,"color",constructColor(overrides.color||"#fff",overrides.textOpacity)),overrides.backgroundColor&&(cueDiv.firstChild.style.backgroundColor=overrides.backgroundColor),overrides.backgroundOpacity&&tryUpdateStyle(cueDiv.firstChild,"backgroundColor",constructColor(overrides.backgroundColor||"#000",overrides.backgroundOpacity)),overrides.windowColor&&(overrides.windowOpacity?tryUpdateStyle(cueDiv,"backgroundColor",constructColor(overrides.windowColor,overrides.windowOpacity)):cueDiv.style.backgroundColor=overrides.windowColor),overrides.edgeStyle&&("dropshadow"===overrides.edgeStyle?cueDiv.firstChild.style.textShadow="2px 2px 3px #222, 2px 2px 4px #222, 2px 2px 5px #222":"raised"===overrides.edgeStyle?cueDiv.firstChild.style.textShadow="1px 1px #222, 2px 2px #222, 3px 3px #222":"depressed"===overrides.edgeStyle?cueDiv.firstChild.style.textShadow="1px 1px #ccc, 0 1px #ccc, -1px -1px #222, 0 -1px #222":"uniform"===overrides.edgeStyle&&(cueDiv.firstChild.style.textShadow="0 0 4px #222, 0 0 4px #222, 0 0 4px #222, 0 0 4px #222")),overrides.fontPercent&&1!==overrides.fontPercent){var fontSize=window$3.parseFloat(cueDiv.style.fontSize);cueDiv.style.fontSize=fontSize*overrides.fontPercent+"px",cueDiv.style.height="auto",cueDiv.style.top="auto",cueDiv.style.bottom="2px"}overrides.fontFamily&&"default"!==overrides.fontFamily&&("small-caps"===overrides.fontFamily?cueDiv.firstChild.style.fontVariant="small-caps":cueDiv.firstChild.style.fontFamily=fontMap[overrides.fontFamily])}}},_proto.updateForTrack=function(tracks){if(Array.isArray(tracks)||(tracks=[tracks]),"function"==typeof window$3.WebVTT&&!tracks.every((function(track){return!track.activeCues}))){for(var cues=[],i=0;i<tracks.length;++i)for(var track=tracks[i],j=0;j<track.activeCues.length;++j)cues.push(track.activeCues[j]);window$3.WebVTT.processCues(window$3,cues,this.el_);for(var _i2=0;_i2<tracks.length;++_i2){for(var _track2=tracks[_i2],_j=0;_j<_track2.activeCues.length;++_j){var cueEl=_track2.activeCues[_j].displayState;addClass(cueEl,"vjs-text-track-cue"),addClass(cueEl,"vjs-text-track-cue-"+(_track2.language?_track2.language:_i2))}this.player_.textTrackSettings&&this.updateDisplayState(_track2)}}},TextTrackDisplay}(Component);Component.registerComponent("TextTrackDisplay",TextTrackDisplay);var LoadingSpinner=function(_Component){function LoadingSpinner(){return _Component.apply(this,arguments)||this}return inheritsLoose(LoadingSpinner,_Component),LoadingSpinner.prototype.createEl=function(){var isAudio=this.player_.isAudio(),playerType=this.localize(isAudio?"Audio Player":"Video Player"),controlText=createEl("span",{className:"vjs-control-text",innerHTML:this.localize("{1} is loading.",[playerType])}),el=_Component.prototype.createEl.call(this,"div",{className:"vjs-loading-spinner",dir:"ltr"});return el.appendChild(controlText),el},LoadingSpinner}(Component);Component.registerComponent("LoadingSpinner",LoadingSpinner);var Button=function(_ClickableComponent){function Button(){return _ClickableComponent.apply(this,arguments)||this}inheritsLoose(Button,_ClickableComponent);var _proto=Button.prototype;return _proto.createEl=function(tag,props,attributes){void 0===props&&(props={}),void 0===attributes&&(attributes={}),props=assign({innerHTML:'<span aria-hidden="true" class="vjs-icon-placeholder"></span>',className:this.buildCSSClass()},props),attributes=assign({type:"button"},attributes);var el=Component.prototype.createEl.call(this,"button",props,attributes);return this.createControlTextEl(el),el},_proto.addChild=function(child,options){void 0===options&&(options={});var className=this.constructor.name;return log.warn("Adding an actionable (user controllable) child to a Button ("+className+") is not supported; use a ClickableComponent instead."),Component.prototype.addChild.call(this,child,options)},_proto.enable=function(){_ClickableComponent.prototype.enable.call(this),this.el_.removeAttribute("disabled")},_proto.disable=function(){_ClickableComponent.prototype.disable.call(this),this.el_.setAttribute("disabled","disabled")},_proto.handleKeyDown=function(event){keycode.isEventKey(event,"Space")||keycode.isEventKey(event,"Enter")?event.stopPropagation():_ClickableComponent.prototype.handleKeyDown.call(this,event)},Button}(ClickableComponent);Component.registerComponent("Button",Button);var BigPlayButton=function(_Button){function BigPlayButton(player,options){var _this;return(_this=_Button.call(this,player,options)||this).mouseused_=!1,_this.on("mousedown",_this.handleMouseDown),_this}inheritsLoose(BigPlayButton,_Button);var _proto=BigPlayButton.prototype;return _proto.buildCSSClass=function(){return"vjs-big-play-button"},_proto.handleClick=function(event){var playPromise=this.player_.play();if(this.mouseused_&&event.clientX&&event.clientY){var sourceIsEncrypted=this.player_.usingPlugin("eme")&&this.player_.eme.sessions&&this.player_.eme.sessions.length>0;return silencePromise(playPromise),void(!this.player_.tech(!0)||(IE_VERSION||IS_EDGE)&&sourceIsEncrypted||this.player_.tech(!0).focus())}var cb=this.player_.getChild("controlBar"),playToggle=cb&&cb.getChild("playToggle");if(playToggle){var playFocus=function(){return playToggle.focus()};isPromise(playPromise)?playPromise.then(playFocus,(function(){})):this.setTimeout(playFocus,1)}else this.player_.tech(!0).focus()},_proto.handleKeyDown=function(event){this.mouseused_=!1,_Button.prototype.handleKeyDown.call(this,event)},_proto.handleMouseDown=function(event){this.mouseused_=!0},BigPlayButton}(Button);BigPlayButton.prototype.controlText_="Play Video",Component.registerComponent("BigPlayButton",BigPlayButton);var CloseButton=function(_Button){function CloseButton(player,options){var _this;return(_this=_Button.call(this,player,options)||this).controlText(options&&options.controlText||_this.localize("Close")),_this}inheritsLoose(CloseButton,_Button);var _proto=CloseButton.prototype;return _proto.buildCSSClass=function(){return"vjs-close-button "+_Button.prototype.buildCSSClass.call(this)},_proto.handleClick=function(event){this.trigger({type:"close",bubbles:!1})},_proto.handleKeyDown=function(event){keycode.isEventKey(event,"Esc")?(event.preventDefault(),event.stopPropagation(),this.trigger("click")):_Button.prototype.handleKeyDown.call(this,event)},CloseButton}(Button);Component.registerComponent("CloseButton",CloseButton);var PlayToggle=function(_Button){function PlayToggle(player,options){var _this;return void 0===options&&(options={}),_this=_Button.call(this,player,options)||this,options.replay=void 0===options.replay||options.replay,_this.on(player,"play",_this.handlePlay),_this.on(player,"pause",_this.handlePause),options.replay&&_this.on(player,"ended",_this.handleEnded),_this}inheritsLoose(PlayToggle,_Button);var _proto=PlayToggle.prototype;return _proto.buildCSSClass=function(){return"vjs-play-control "+_Button.prototype.buildCSSClass.call(this)},_proto.handleClick=function(event){this.player_.paused()?this.player_.play():this.player_.pause()},_proto.handleSeeked=function(event){this.removeClass("vjs-ended"),this.player_.paused()?this.handlePause(event):this.handlePlay(event)},_proto.handlePlay=function(event){this.removeClass("vjs-ended"),this.removeClass("vjs-paused"),this.addClass("vjs-playing"),this.controlText("Pause")},_proto.handlePause=function(event){this.removeClass("vjs-playing"),this.addClass("vjs-paused"),this.controlText("Play")},_proto.handleEnded=function(event){this.removeClass("vjs-playing"),this.addClass("vjs-ended"),this.controlText("Replay"),this.one(this.player_,"seeked",this.handleSeeked)},PlayToggle}(Button);PlayToggle.prototype.controlText_="Play",Component.registerComponent("PlayToggle",PlayToggle);var defaultImplementation=function(seconds,guide){seconds=seconds<0?0:seconds;var s=Math.floor(seconds%60),m=Math.floor(seconds/60%60),h=Math.floor(seconds/3600),gm=Math.floor(guide/60%60),gh=Math.floor(guide/3600);return(isNaN(seconds)||seconds===1/0)&&(h=m=s="-"),(h=h>0||gh>0?h+":":"")+(m=((h||gm>=10)&&m<10?"0"+m:m)+":")+(s=s<10?"0"+s:s)},implementation=defaultImplementation;function formatTime(seconds,guide){return void 0===guide&&(guide=seconds),implementation(seconds,guide)}var TimeDisplay=function(_Component){function TimeDisplay(player,options){var _this;return(_this=_Component.call(this,player,options)||this).on(player,["timeupdate","ended"],_this.updateContent),_this.updateTextNode_(),_this}inheritsLoose(TimeDisplay,_Component);var _proto=TimeDisplay.prototype;return _proto.createEl=function(){var className=this.buildCSSClass(),el=_Component.prototype.createEl.call(this,"div",{className:className+" vjs-time-control vjs-control",innerHTML:'<span class="vjs-control-text" role="presentation">'+this.localize(this.labelText_)+" </span>"});return this.contentEl_=createEl("span",{className:className+"-display"},{"aria-live":"off",role:"presentation"}),el.appendChild(this.contentEl_),el},_proto.dispose=function(){this.contentEl_=null,this.textNode_=null,_Component.prototype.dispose.call(this)},_proto.updateTextNode_=function(time){var _this2=this;void 0===time&&(time=0),time=formatTime(time),this.formattedTime_!==time&&(this.formattedTime_=time,this.requestAnimationFrame((function(){if(_this2.contentEl_){var oldNode=_this2.textNode_;_this2.textNode_=document.createTextNode(_this2.formattedTime_),_this2.textNode_&&(oldNode?_this2.contentEl_.replaceChild(_this2.textNode_,oldNode):_this2.contentEl_.appendChild(_this2.textNode_))}})))},_proto.updateContent=function(event){},TimeDisplay}(Component);TimeDisplay.prototype.labelText_="Time",TimeDisplay.prototype.controlText_="Time",Component.registerComponent("TimeDisplay",TimeDisplay);var CurrentTimeDisplay=function(_TimeDisplay){function CurrentTimeDisplay(){return _TimeDisplay.apply(this,arguments)||this}inheritsLoose(CurrentTimeDisplay,_TimeDisplay);var _proto=CurrentTimeDisplay.prototype;return _proto.buildCSSClass=function(){return"vjs-current-time"},_proto.updateContent=function(event){var time;time=this.player_.ended()?this.player_.duration():this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime(),this.updateTextNode_(time)},CurrentTimeDisplay}(TimeDisplay);CurrentTimeDisplay.prototype.labelText_="Current Time",CurrentTimeDisplay.prototype.controlText_="Current Time",Component.registerComponent("CurrentTimeDisplay",CurrentTimeDisplay);var DurationDisplay=function(_TimeDisplay){function DurationDisplay(player,options){var _this;return(_this=_TimeDisplay.call(this,player,options)||this).on(player,"durationchange",_this.updateContent),_this.on(player,"loadstart",_this.updateContent),_this.on(player,"loadedmetadata",_this.updateContent),_this}inheritsLoose(DurationDisplay,_TimeDisplay);var _proto=DurationDisplay.prototype;return _proto.buildCSSClass=function(){return"vjs-duration"},_proto.updateContent=function(event){var duration=this.player_.duration();this.updateTextNode_(duration)},DurationDisplay}(TimeDisplay);DurationDisplay.prototype.labelText_="Duration",DurationDisplay.prototype.controlText_="Duration",Component.registerComponent("DurationDisplay",DurationDisplay);var TimeDivider=function(_Component){function TimeDivider(){return _Component.apply(this,arguments)||this}return inheritsLoose(TimeDivider,_Component),TimeDivider.prototype.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:"vjs-time-control vjs-time-divider",innerHTML:"<div><span>/</span></div>"},{"aria-hidden":!0})},TimeDivider}(Component);Component.registerComponent("TimeDivider",TimeDivider);var RemainingTimeDisplay=function(_TimeDisplay){function RemainingTimeDisplay(player,options){var _this;return(_this=_TimeDisplay.call(this,player,options)||this).on(player,"durationchange",_this.updateContent),_this}inheritsLoose(RemainingTimeDisplay,_TimeDisplay);var _proto=RemainingTimeDisplay.prototype;return _proto.buildCSSClass=function(){return"vjs-remaining-time"},_proto.createEl=function(){var el=_TimeDisplay.prototype.createEl.call(this);return el.insertBefore(createEl("span",{},{"aria-hidden":!0},"-"),this.contentEl_),el},_proto.updateContent=function(event){var time;"number"==typeof this.player_.duration()&&(time=this.player_.ended()?0:this.player_.remainingTimeDisplay?this.player_.remainingTimeDisplay():this.player_.remainingTime(),this.updateTextNode_(time))},RemainingTimeDisplay}(TimeDisplay);RemainingTimeDisplay.prototype.labelText_="Remaining Time",RemainingTimeDisplay.prototype.controlText_="Remaining Time",Component.registerComponent("RemainingTimeDisplay",RemainingTimeDisplay);var LiveDisplay=function(_Component){function LiveDisplay(player,options){var _this;return(_this=_Component.call(this,player,options)||this).updateShowing(),_this.on(_this.player(),"durationchange",_this.updateShowing),_this}inheritsLoose(LiveDisplay,_Component);var _proto=LiveDisplay.prototype;return _proto.createEl=function(){var el=_Component.prototype.createEl.call(this,"div",{className:"vjs-live-control vjs-control"});return this.contentEl_=createEl("div",{className:"vjs-live-display",innerHTML:'<span class="vjs-control-text">'+this.localize("Stream Type")+" </span>"+this.localize("LIVE")},{"aria-live":"off"}),el.appendChild(this.contentEl_),el},_proto.dispose=function(){this.contentEl_=null,_Component.prototype.dispose.call(this)},_proto.updateShowing=function(event){this.player().duration()===1/0?this.show():this.hide()},LiveDisplay}(Component);Component.registerComponent("LiveDisplay",LiveDisplay);var SeekToLive=function(_Button){function SeekToLive(player,options){var _this;return(_this=_Button.call(this,player,options)||this).updateLiveEdgeStatus(),_this.player_.liveTracker&&_this.on(_this.player_.liveTracker,"liveedgechange",_this.updateLiveEdgeStatus),_this}inheritsLoose(SeekToLive,_Button);var _proto=SeekToLive.prototype;return _proto.createEl=function(){var el=_Button.prototype.createEl.call(this,"button",{className:"vjs-seek-to-live-control vjs-control"});return this.textEl_=createEl("span",{className:"vjs-seek-to-live-text",innerHTML:this.localize("LIVE")},{"aria-hidden":"true"}),el.appendChild(this.textEl_),el},_proto.updateLiveEdgeStatus=function(e){!this.player_.liveTracker||this.player_.liveTracker.atLiveEdge()?(this.setAttribute("aria-disabled",!0),this.addClass("vjs-at-live-edge"),this.controlText("Seek to live, currently playing live")):(this.setAttribute("aria-disabled",!1),this.removeClass("vjs-at-live-edge"),this.controlText("Seek to live, currently behind live"))},_proto.handleClick=function(){this.player_.liveTracker.seekToLiveEdge()},_proto.dispose=function(){this.player_.liveTracker&&this.off(this.player_.liveTracker,"liveedgechange",this.updateLiveEdgeStatus),this.textEl_=null,_Button.prototype.dispose.call(this)},SeekToLive}(Button);SeekToLive.prototype.controlText_="Seek to live, currently playing live",Component.registerComponent("SeekToLive",SeekToLive);var clamp=function(number,min,max){return number=Number(number),Math.min(max,Math.max(min,isNaN(number)?min:number))},Slider=function(_Component){function Slider(player,options){var _this;return(_this=_Component.call(this,player,options)||this).bar=_this.getChild(_this.options_.barName),_this.vertical(!!_this.options_.vertical),_this.enable(),_this}inheritsLoose(Slider,_Component);var _proto=Slider.prototype;return _proto.enabled=function(){return this.enabled_},_proto.enable=function(){this.enabled()||(this.on("mousedown",this.handleMouseDown),this.on("touchstart",this.handleMouseDown),this.on("keydown",this.handleKeyDown),this.on("click",this.handleClick),this.on(this.player_,"controlsvisible",this.update),this.playerEvent&&this.on(this.player_,this.playerEvent,this.update),this.removeClass("disabled"),this.setAttribute("tabindex",0),this.enabled_=!0)},_proto.disable=function(){if(this.enabled()){var doc=this.bar.el_.ownerDocument;this.off("mousedown",this.handleMouseDown),this.off("touchstart",this.handleMouseDown),this.off("keydown",this.handleKeyDown),this.off("click",this.handleClick),this.off(this.player_,"controlsvisible",this.update),this.off(doc,"mousemove",this.handleMouseMove),this.off(doc,"mouseup",this.handleMouseUp),this.off(doc,"touchmove",this.handleMouseMove),this.off(doc,"touchend",this.handleMouseUp),this.removeAttribute("tabindex"),this.addClass("disabled"),this.playerEvent&&this.off(this.player_,this.playerEvent,this.update),this.enabled_=!1}},_proto.createEl=function(type,props,attributes){return void 0===props&&(props={}),void 0===attributes&&(attributes={}),props.className=props.className+" vjs-slider",props=assign({tabIndex:0},props),attributes=assign({role:"slider","aria-valuenow":0,"aria-valuemin":0,"aria-valuemax":100,tabIndex:0},attributes),_Component.prototype.createEl.call(this,type,props,attributes)},_proto.handleMouseDown=function(event){var doc=this.bar.el_.ownerDocument;"mousedown"===event.type&&event.preventDefault(),"touchstart"!==event.type||IS_CHROME||event.preventDefault(),blockTextSelection(),this.addClass("vjs-sliding"),this.trigger("slideractive"),this.on(doc,"mousemove",this.handleMouseMove),this.on(doc,"mouseup",this.handleMouseUp),this.on(doc,"touchmove",this.handleMouseMove),this.on(doc,"touchend",this.handleMouseUp),this.handleMouseMove(event)},_proto.handleMouseMove=function(event){},_proto.handleMouseUp=function(){var doc=this.bar.el_.ownerDocument;unblockTextSelection(),this.removeClass("vjs-sliding"),this.trigger("sliderinactive"),this.off(doc,"mousemove",this.handleMouseMove),this.off(doc,"mouseup",this.handleMouseUp),this.off(doc,"touchmove",this.handleMouseMove),this.off(doc,"touchend",this.handleMouseUp),this.update()},_proto.update=function(){var _this2=this;if(this.el_&&this.bar){var progress=this.getProgress();return progress===this.progress_||(this.progress_=progress,this.requestAnimationFrame((function(){var sizeKey=_this2.vertical()?"height":"width";_this2.bar.el().style[sizeKey]=(100*progress).toFixed(2)+"%"}))),progress}},_proto.getProgress=function(){return Number(clamp(this.getPercent(),0,1).toFixed(4))},_proto.calculateDistance=function(event){var position=getPointerPosition(this.el_,event);return this.vertical()?position.y:position.x},_proto.handleKeyDown=function(event){keycode.isEventKey(event,"Left")||keycode.isEventKey(event,"Down")?(event.preventDefault(),event.stopPropagation(),this.stepBack()):keycode.isEventKey(event,"Right")||keycode.isEventKey(event,"Up")?(event.preventDefault(),event.stopPropagation(),this.stepForward()):_Component.prototype.handleKeyDown.call(this,event)},_proto.handleClick=function(event){event.stopPropagation(),event.preventDefault()},_proto.vertical=function(bool){if(void 0===bool)return this.vertical_||!1;this.vertical_=!!bool,this.vertical_?this.addClass("vjs-slider-vertical"):this.addClass("vjs-slider-horizontal")},Slider}(Component);Component.registerComponent("Slider",Slider);var percentify=function(time,end){return clamp(time/end*100,0,100).toFixed(2)+"%"},LoadProgressBar=function(_Component){function LoadProgressBar(player,options){var _this;return(_this=_Component.call(this,player,options)||this).partEls_=[],_this.on(player,"progress",_this.update),_this}inheritsLoose(LoadProgressBar,_Component);var _proto=LoadProgressBar.prototype;return _proto.createEl=function(){var el=_Component.prototype.createEl.call(this,"div",{className:"vjs-load-progress"}),wrapper=createEl("span",{className:"vjs-control-text"}),loadedText=createEl("span",{textContent:this.localize("Loaded")}),separator=document.createTextNode(": ");return this.percentageEl_=createEl("span",{className:"vjs-control-text-loaded-percentage",textContent:"0%"}),el.appendChild(wrapper),wrapper.appendChild(loadedText),wrapper.appendChild(separator),wrapper.appendChild(this.percentageEl_),el},_proto.dispose=function(){this.partEls_=null,this.percentageEl_=null,_Component.prototype.dispose.call(this)},_proto.update=function(event){var _this2=this;this.requestAnimationFrame((function(){var liveTracker=_this2.player_.liveTracker,buffered=_this2.player_.buffered(),duration=liveTracker&&liveTracker.isLive()?liveTracker.seekableEnd():_this2.player_.duration(),bufferedEnd=_this2.player_.bufferedEnd(),children=_this2.partEls_,percent=percentify(bufferedEnd,duration);_this2.percent_!==percent&&(_this2.el_.style.width=percent,textContent(_this2.percentageEl_,percent),_this2.percent_=percent);for(var i=0;i<buffered.length;i++){var start=buffered.start(i),end=buffered.end(i),part=children[i];part||(part=_this2.el_.appendChild(createEl()),children[i]=part),part.dataset.start===start&&part.dataset.end===end||(part.dataset.start=start,part.dataset.end=end,part.style.left=percentify(start,bufferedEnd),part.style.width=percentify(end-start,bufferedEnd))}for(var _i=children.length;_i>buffered.length;_i--)_this2.el_.removeChild(children[_i-1]);children.length=buffered.length}))},LoadProgressBar}(Component);Component.registerComponent("LoadProgressBar",LoadProgressBar);var TimeTooltip=function(_Component){function TimeTooltip(player,options){var _this;return(_this=_Component.call(this,player,options)||this).update=throttle(bind(assertThisInitialized(_this),_this.update),30),_this}inheritsLoose(TimeTooltip,_Component);var _proto=TimeTooltip.prototype;return _proto.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:"vjs-time-tooltip"},{"aria-hidden":"true"})},_proto.update=function(seekBarRect,seekBarPoint,content){var tooltipRect=getBoundingClientRect(this.el_),playerRect=getBoundingClientRect(this.player_.el()),seekBarPointPx=seekBarRect.width*seekBarPoint;if(playerRect&&tooltipRect){var spaceLeftOfPoint=seekBarRect.left-playerRect.left+seekBarPointPx,spaceRightOfPoint=seekBarRect.width-seekBarPointPx+(playerRect.right-seekBarRect.right),pullTooltipBy=tooltipRect.width/2;spaceLeftOfPoint<pullTooltipBy?pullTooltipBy+=pullTooltipBy-spaceLeftOfPoint:spaceRightOfPoint<pullTooltipBy&&(pullTooltipBy=spaceRightOfPoint),pullTooltipBy<0?pullTooltipBy=0:pullTooltipBy>tooltipRect.width&&(pullTooltipBy=tooltipRect.width),this.el_.style.right="-"+pullTooltipBy+"px",this.write(content)}},_proto.write=function(content){textContent(this.el_,content)},_proto.updateTime=function(seekBarRect,seekBarPoint,time,cb){var _this2=this;this.rafId_&&this.cancelAnimationFrame(this.rafId_),this.rafId_=this.requestAnimationFrame((function(){var content,duration=_this2.player_.duration();if(_this2.player_.liveTracker&&_this2.player_.liveTracker.isLive()){var liveWindow=_this2.player_.liveTracker.liveWindow(),secondsBehind=liveWindow-seekBarPoint*liveWindow;content=(secondsBehind<1?"":"-")+formatTime(secondsBehind,liveWindow)}else content=formatTime(time,duration);_this2.update(seekBarRect,seekBarPoint,content),cb&&cb()}))},TimeTooltip}(Component);Component.registerComponent("TimeTooltip",TimeTooltip);var PlayProgressBar=function(_Component){function PlayProgressBar(player,options){var _this;return(_this=_Component.call(this,player,options)||this).update=throttle(bind(assertThisInitialized(_this),_this.update),30),_this}inheritsLoose(PlayProgressBar,_Component);var _proto=PlayProgressBar.prototype;return _proto.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:"vjs-play-progress vjs-slider-bar"},{"aria-hidden":"true"})},_proto.update=function(seekBarRect,seekBarPoint){var timeTooltip=this.getChild("timeTooltip");if(timeTooltip){var time=this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime();timeTooltip.updateTime(seekBarRect,seekBarPoint,time)}},PlayProgressBar}(Component);PlayProgressBar.prototype.options_={children:[]},IS_IOS||IS_ANDROID||PlayProgressBar.prototype.options_.children.push("timeTooltip"),Component.registerComponent("PlayProgressBar",PlayProgressBar);var MouseTimeDisplay=function(_Component){function MouseTimeDisplay(player,options){var _this;return(_this=_Component.call(this,player,options)||this).update=throttle(bind(assertThisInitialized(_this),_this.update),30),_this}inheritsLoose(MouseTimeDisplay,_Component);var _proto=MouseTimeDisplay.prototype;return _proto.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:"vjs-mouse-display"})},_proto.update=function(seekBarRect,seekBarPoint){var _this2=this,time=seekBarPoint*this.player_.duration();this.getChild("timeTooltip").updateTime(seekBarRect,seekBarPoint,time,(function(){_this2.el_.style.left=seekBarRect.width*seekBarPoint+"px"}))},MouseTimeDisplay}(Component);MouseTimeDisplay.prototype.options_={children:["timeTooltip"]},Component.registerComponent("MouseTimeDisplay",MouseTimeDisplay);var SeekBar=function(_Slider){function SeekBar(player,options){var _this;return(_this=_Slider.call(this,player,options)||this).setEventHandlers_(),_this}inheritsLoose(SeekBar,_Slider);var _proto=SeekBar.prototype;return _proto.setEventHandlers_=function(){this.update_=bind(this,this.update),this.update=throttle(this.update_,30),this.on(this.player_,["ended","durationchange","timeupdate"],this.update),this.player_.liveTracker&&this.on(this.player_.liveTracker,"liveedgechange",this.update),this.updateInterval=null,this.on(this.player_,["playing"],this.enableInterval_),this.on(this.player_,["ended","pause","waiting"],this.disableInterval_),"hidden"in document&&"visibilityState"in document&&this.on(document,"visibilitychange",this.toggleVisibility_)},_proto.toggleVisibility_=function(e){document.hidden?this.disableInterval_(e):(this.enableInterval_(),this.update())},_proto.enableInterval_=function(){this.updateInterval||(this.updateInterval=this.setInterval(this.update,30))},_proto.disableInterval_=function(e){this.player_.liveTracker&&this.player_.liveTracker.isLive()&&"ended"!==e.type||this.updateInterval&&(this.clearInterval(this.updateInterval),this.updateInterval=null)},_proto.createEl=function(){return _Slider.prototype.createEl.call(this,"div",{className:"vjs-progress-holder"},{"aria-label":this.localize("Progress Bar")})},_proto.update=function(event){var _this2=this,percent=_Slider.prototype.update.call(this);return this.requestAnimationFrame((function(){var currentTime=_this2.player_.ended()?_this2.player_.duration():_this2.getCurrentTime_(),liveTracker=_this2.player_.liveTracker,duration=_this2.player_.duration();liveTracker&&liveTracker.isLive()&&(duration=_this2.player_.liveTracker.liveCurrentTime()),_this2.percent_!==percent&&(_this2.el_.setAttribute("aria-valuenow",(100*percent).toFixed(2)),_this2.percent_=percent),_this2.currentTime_===currentTime&&_this2.duration_===duration||(_this2.el_.setAttribute("aria-valuetext",_this2.localize("progress bar timing: currentTime={1} duration={2}",[formatTime(currentTime,duration),formatTime(duration,duration)],"{1} of {2}")),_this2.currentTime_=currentTime,_this2.duration_=duration),_this2.bar&&_this2.bar.update(getBoundingClientRect(_this2.el()),_this2.getProgress())})),percent},_proto.getCurrentTime_=function(){return this.player_.scrubbing()?this.player_.getCache().currentTime:this.player_.currentTime()},_proto.getPercent=function(){var percent,currentTime=this.getCurrentTime_(),liveTracker=this.player_.liveTracker;return liveTracker&&liveTracker.isLive()?(percent=(currentTime-liveTracker.seekableStart())/liveTracker.liveWindow(),liveTracker.atLiveEdge()&&(percent=1)):percent=currentTime/this.player_.duration(),percent},_proto.handleMouseDown=function(event){isSingleLeftClick(event)&&(event.stopPropagation(),this.player_.scrubbing(!0),this.videoWasPlaying=!this.player_.paused(),this.player_.pause(),_Slider.prototype.handleMouseDown.call(this,event))},_proto.handleMouseMove=function(event){if(isSingleLeftClick(event)){var newTime,distance=this.calculateDistance(event),liveTracker=this.player_.liveTracker;if(liveTracker&&liveTracker.isLive()){var seekableStart=liveTracker.seekableStart(),seekableEnd=liveTracker.liveCurrentTime();if((newTime=seekableStart+distance*liveTracker.liveWindow())>=seekableEnd&&(newTime=seekableEnd),newTime<=seekableStart&&(newTime=seekableStart+.1),newTime===1/0)return}else(newTime=distance*this.player_.duration())===this.player_.duration()&&(newTime-=.1);this.player_.currentTime(newTime)}},_proto.enable=function(){_Slider.prototype.enable.call(this);var mouseTimeDisplay=this.getChild("mouseTimeDisplay");mouseTimeDisplay&&mouseTimeDisplay.show()},_proto.disable=function(){_Slider.prototype.disable.call(this);var mouseTimeDisplay=this.getChild("mouseTimeDisplay");mouseTimeDisplay&&mouseTimeDisplay.hide()},_proto.handleMouseUp=function(event){_Slider.prototype.handleMouseUp.call(this,event),event&&event.stopPropagation(),this.player_.scrubbing(!1),this.player_.trigger({type:"timeupdate",target:this,manuallyTriggered:!0}),this.videoWasPlaying?silencePromise(this.player_.play()):this.update_()},_proto.stepForward=function(){this.player_.currentTime(this.player_.currentTime()+5)},_proto.stepBack=function(){this.player_.currentTime(this.player_.currentTime()-5)},_proto.handleAction=function(event){this.player_.paused()?this.player_.play():this.player_.pause()},_proto.handleKeyDown=function(event){if(keycode.isEventKey(event,"Space")||keycode.isEventKey(event,"Enter"))event.preventDefault(),event.stopPropagation(),this.handleAction(event);else if(keycode.isEventKey(event,"Home"))event.preventDefault(),event.stopPropagation(),this.player_.currentTime(0);else if(keycode.isEventKey(event,"End"))event.preventDefault(),event.stopPropagation(),this.player_.currentTime(this.player_.duration());else if(/^[0-9]$/.test(keycode(event))){event.preventDefault(),event.stopPropagation();var gotoFraction=10*(keycode.codes[keycode(event)]-keycode.codes[0])/100;this.player_.currentTime(this.player_.duration()*gotoFraction)}else keycode.isEventKey(event,"PgDn")?(event.preventDefault(),event.stopPropagation(),this.player_.currentTime(this.player_.currentTime()-60)):keycode.isEventKey(event,"PgUp")?(event.preventDefault(),event.stopPropagation(),this.player_.currentTime(this.player_.currentTime()+60)):_Slider.prototype.handleKeyDown.call(this,event)},SeekBar}(Slider);SeekBar.prototype.options_={children:["loadProgressBar","playProgressBar"],barName:"playProgressBar"},IS_IOS||IS_ANDROID||SeekBar.prototype.options_.children.splice(1,0,"mouseTimeDisplay"),Component.registerComponent("SeekBar",SeekBar);var ProgressControl=function(_Component){function ProgressControl(player,options){var _this;return(_this=_Component.call(this,player,options)||this).handleMouseMove=throttle(bind(assertThisInitialized(_this),_this.handleMouseMove),30),_this.throttledHandleMouseSeek=throttle(bind(assertThisInitialized(_this),_this.handleMouseSeek),30),_this.enable(),_this}inheritsLoose(ProgressControl,_Component);var _proto=ProgressControl.prototype;return _proto.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:"vjs-progress-control vjs-control"})},_proto.handleMouseMove=function(event){var seekBar=this.getChild("seekBar");if(seekBar){var playProgressBar=seekBar.getChild("playProgressBar"),mouseTimeDisplay=seekBar.getChild("mouseTimeDisplay");if(playProgressBar||mouseTimeDisplay){var seekBarEl=seekBar.el(),seekBarRect=getBoundingClientRect(seekBarEl),seekBarPoint=getPointerPosition(seekBarEl,event).x;seekBarPoint=clamp(0,1,seekBarPoint),mouseTimeDisplay&&mouseTimeDisplay.update(seekBarRect,seekBarPoint),playProgressBar&&playProgressBar.update(seekBarRect,seekBar.getProgress())}}},_proto.handleMouseSeek=function(event){var seekBar=this.getChild("seekBar");seekBar&&seekBar.handleMouseMove(event)},_proto.enabled=function(){return this.enabled_},_proto.disable=function(){this.children().forEach((function(child){return child.disable&&child.disable()})),this.enabled()&&(this.off(["mousedown","touchstart"],this.handleMouseDown),this.off(this.el_,"mousemove",this.handleMouseMove),this.handleMouseUp(),this.addClass("disabled"),this.enabled_=!1)},_proto.enable=function(){this.children().forEach((function(child){return child.enable&&child.enable()})),this.enabled()||(this.on(["mousedown","touchstart"],this.handleMouseDown),this.on(this.el_,"mousemove",this.handleMouseMove),this.removeClass("disabled"),this.enabled_=!0)},_proto.handleMouseDown=function(event){var doc=this.el_.ownerDocument,seekBar=this.getChild("seekBar");seekBar&&seekBar.handleMouseDown(event),this.on(doc,"mousemove",this.throttledHandleMouseSeek),this.on(doc,"touchmove",this.throttledHandleMouseSeek),this.on(doc,"mouseup",this.handleMouseUp),this.on(doc,"touchend",this.handleMouseUp)},_proto.handleMouseUp=function(event){var doc=this.el_.ownerDocument,seekBar=this.getChild("seekBar");seekBar&&seekBar.handleMouseUp(event),this.off(doc,"mousemove",this.throttledHandleMouseSeek),this.off(doc,"touchmove",this.throttledHandleMouseSeek),this.off(doc,"mouseup",this.handleMouseUp),this.off(doc,"touchend",this.handleMouseUp)},ProgressControl}(Component);ProgressControl.prototype.options_={children:["seekBar"]},Component.registerComponent("ProgressControl",ProgressControl);var PictureInPictureToggle=function(_Button){function PictureInPictureToggle(player,options){var _this;return(_this=_Button.call(this,player,options)||this).on(player,["enterpictureinpicture","leavepictureinpicture"],_this.handlePictureInPictureChange),document.pictureInPictureEnabled||_this.disable(),_this}inheritsLoose(PictureInPictureToggle,_Button);var _proto=PictureInPictureToggle.prototype;return _proto.buildCSSClass=function(){return"vjs-picture-in-picture-control "+_Button.prototype.buildCSSClass.call(this)},_proto.handlePictureInPictureChange=function(event){this.player_.isInPictureInPicture()?this.controlText("Exit Picture-in-Picture"):this.controlText("Picture-in-Picture")},_proto.handleClick=function(event){this.player_.isInPictureInPicture()?this.player_.exitPictureInPicture():this.player_.requestPictureInPicture()},PictureInPictureToggle}(Button);PictureInPictureToggle.prototype.controlText_="Picture-in-Picture",Component.registerComponent("PictureInPictureToggle",PictureInPictureToggle);var FullscreenToggle=function(_Button){function FullscreenToggle(player,options){var _this;return(_this=_Button.call(this,player,options)||this).on(player,"fullscreenchange",_this.handleFullscreenChange),!1===document[player.fsApi_.fullscreenEnabled]&&_this.disable(),_this}inheritsLoose(FullscreenToggle,_Button);var _proto=FullscreenToggle.prototype;return _proto.buildCSSClass=function(){return"vjs-fullscreen-control "+_Button.prototype.buildCSSClass.call(this)},_proto.handleFullscreenChange=function(event){this.player_.isFullscreen()?this.controlText("Non-Fullscreen"):this.controlText("Fullscreen")},_proto.handleClick=function(event){this.player_.isFullscreen()?this.player_.exitFullscreen():this.player_.requestFullscreen()},FullscreenToggle}(Button);FullscreenToggle.prototype.controlText_="Fullscreen",Component.registerComponent("FullscreenToggle",FullscreenToggle);var VolumeLevel=function(_Component){function VolumeLevel(){return _Component.apply(this,arguments)||this}return inheritsLoose(VolumeLevel,_Component),VolumeLevel.prototype.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:"vjs-volume-level",innerHTML:'<span class="vjs-control-text"></span>'})},VolumeLevel}(Component);Component.registerComponent("VolumeLevel",VolumeLevel);var VolumeBar=function(_Slider){function VolumeBar(player,options){var _this;return(_this=_Slider.call(this,player,options)||this).on("slideractive",_this.updateLastVolume_),_this.on(player,"volumechange",_this.updateARIAAttributes),player.ready((function(){return _this.updateARIAAttributes()})),_this}inheritsLoose(VolumeBar,_Slider);var _proto=VolumeBar.prototype;return _proto.createEl=function(){return _Slider.prototype.createEl.call(this,"div",{className:"vjs-volume-bar vjs-slider-bar"},{"aria-label":this.localize("Volume Level"),"aria-live":"polite"})},_proto.handleMouseDown=function(event){isSingleLeftClick(event)&&_Slider.prototype.handleMouseDown.call(this,event)},_proto.handleMouseMove=function(event){isSingleLeftClick(event)&&(this.checkMuted(),this.player_.volume(this.calculateDistance(event)))},_proto.checkMuted=function(){this.player_.muted()&&this.player_.muted(!1)},_proto.getPercent=function(){return this.player_.muted()?0:this.player_.volume()},_proto.stepForward=function(){this.checkMuted(),this.player_.volume(this.player_.volume()+.1)},_proto.stepBack=function(){this.checkMuted(),this.player_.volume(this.player_.volume()-.1)},_proto.updateARIAAttributes=function(event){var ariaValue=this.player_.muted()?0:this.volumeAsPercentage_();this.el_.setAttribute("aria-valuenow",ariaValue),this.el_.setAttribute("aria-valuetext",ariaValue+"%")},_proto.volumeAsPercentage_=function(){return Math.round(100*this.player_.volume())},_proto.updateLastVolume_=function(){var _this2=this,volumeBeforeDrag=this.player_.volume();this.one("sliderinactive",(function(){0===_this2.player_.volume()&&_this2.player_.lastVolume_(volumeBeforeDrag)}))},VolumeBar}(Slider);VolumeBar.prototype.options_={children:["volumeLevel"],barName:"volumeLevel"},VolumeBar.prototype.playerEvent="volumechange",Component.registerComponent("VolumeBar",VolumeBar);var VolumeControl=function(_Component){function VolumeControl(player,options){var _this;return void 0===options&&(options={}),options.vertical=options.vertical||!1,(void 0===options.volumeBar||isPlain(options.volumeBar))&&(options.volumeBar=options.volumeBar||{},options.volumeBar.vertical=options.vertical),_this=_Component.call(this,player,options)||this,function(self,player){player.tech_&&!player.tech_.featuresVolumeControl&&self.addClass("vjs-hidden"),self.on(player,"loadstart",(function(){player.tech_.featuresVolumeControl?self.removeClass("vjs-hidden"):self.addClass("vjs-hidden")}))}(assertThisInitialized(_this),player),_this.throttledHandleMouseMove=throttle(bind(assertThisInitialized(_this),_this.handleMouseMove),30),_this.on("mousedown",_this.handleMouseDown),_this.on("touchstart",_this.handleMouseDown),_this.on(_this.volumeBar,["focus","slideractive"],(function(){_this.volumeBar.addClass("vjs-slider-active"),_this.addClass("vjs-slider-active"),_this.trigger("slideractive")})),_this.on(_this.volumeBar,["blur","sliderinactive"],(function(){_this.volumeBar.removeClass("vjs-slider-active"),_this.removeClass("vjs-slider-active"),_this.trigger("sliderinactive")})),_this}inheritsLoose(VolumeControl,_Component);var _proto=VolumeControl.prototype;return _proto.createEl=function(){var orientationClass="vjs-volume-horizontal";return this.options_.vertical&&(orientationClass="vjs-volume-vertical"),_Component.prototype.createEl.call(this,"div",{className:"vjs-volume-control vjs-control "+orientationClass})},_proto.handleMouseDown=function(event){var doc=this.el_.ownerDocument;this.on(doc,"mousemove",this.throttledHandleMouseMove),this.on(doc,"touchmove",this.throttledHandleMouseMove),this.on(doc,"mouseup",this.handleMouseUp),this.on(doc,"touchend",this.handleMouseUp)},_proto.handleMouseUp=function(event){var doc=this.el_.ownerDocument;this.off(doc,"mousemove",this.throttledHandleMouseMove),this.off(doc,"touchmove",this.throttledHandleMouseMove),this.off(doc,"mouseup",this.handleMouseUp),this.off(doc,"touchend",this.handleMouseUp)},_proto.handleMouseMove=function(event){this.volumeBar.handleMouseMove(event)},VolumeControl}(Component);VolumeControl.prototype.options_={children:["volumeBar"]},Component.registerComponent("VolumeControl",VolumeControl);var MuteToggle=function(_Button){function MuteToggle(player,options){var _this;return _this=_Button.call(this,player,options)||this,function(self,player){player.tech_&&!player.tech_.featuresMuteControl&&self.addClass("vjs-hidden"),self.on(player,"loadstart",(function(){player.tech_.featuresMuteControl?self.removeClass("vjs-hidden"):self.addClass("vjs-hidden")}))}(assertThisInitialized(_this),player),_this.on(player,["loadstart","volumechange"],_this.update),_this}inheritsLoose(MuteToggle,_Button);var _proto=MuteToggle.prototype;return _proto.buildCSSClass=function(){return"vjs-mute-control "+_Button.prototype.buildCSSClass.call(this)},_proto.handleClick=function(event){var vol=this.player_.volume(),lastVolume=this.player_.lastVolume_();if(0===vol){var volumeToSet=lastVolume<.1?.1:lastVolume;this.player_.volume(volumeToSet),this.player_.muted(!1)}else this.player_.muted(!this.player_.muted())},_proto.update=function(event){this.updateIcon_(),this.updateControlText_()},_proto.updateIcon_=function(){var vol=this.player_.volume(),level=3;IS_IOS&&this.player_.tech_&&this.player_.tech_.el_&&this.player_.muted(this.player_.tech_.el_.muted),0===vol||this.player_.muted()?level=0:vol<.33?level=1:vol<.67&&(level=2);for(var i=0;i<4;i++)removeClass(this.el_,"vjs-vol-"+i);addClass(this.el_,"vjs-vol-"+level)},_proto.updateControlText_=function(){var text=this.player_.muted()||0===this.player_.volume()?"Unmute":"Mute";this.controlText()!==text&&this.controlText(text)},MuteToggle}(Button);MuteToggle.prototype.controlText_="Mute",Component.registerComponent("MuteToggle",MuteToggle);var VolumePanel=function(_Component){function VolumePanel(player,options){var _this;return void 0===options&&(options={}),void 0!==options.inline?options.inline=options.inline:options.inline=!0,(void 0===options.volumeControl||isPlain(options.volumeControl))&&(options.volumeControl=options.volumeControl||{},options.volumeControl.vertical=!options.inline),(_this=_Component.call(this,player,options)||this).on(player,["loadstart"],_this.volumePanelState_),_this.on(_this.muteToggle,"keyup",_this.handleKeyPress),_this.on(_this.volumeControl,"keyup",_this.handleVolumeControlKeyUp),_this.on("keydown",_this.handleKeyPress),_this.on("mouseover",_this.handleMouseOver),_this.on("mouseout",_this.handleMouseOut),_this.on(_this.volumeControl,["slideractive"],_this.sliderActive_),_this.on(_this.volumeControl,["sliderinactive"],_this.sliderInactive_),_this}inheritsLoose(VolumePanel,_Component);var _proto=VolumePanel.prototype;return _proto.sliderActive_=function(){this.addClass("vjs-slider-active")},_proto.sliderInactive_=function(){this.removeClass("vjs-slider-active")},_proto.volumePanelState_=function(){this.volumeControl.hasClass("vjs-hidden")&&this.muteToggle.hasClass("vjs-hidden")&&this.addClass("vjs-hidden"),this.volumeControl.hasClass("vjs-hidden")&&!this.muteToggle.hasClass("vjs-hidden")&&this.addClass("vjs-mute-toggle-only")},_proto.createEl=function(){var orientationClass="vjs-volume-panel-horizontal";return this.options_.inline||(orientationClass="vjs-volume-panel-vertical"),_Component.prototype.createEl.call(this,"div",{className:"vjs-volume-panel vjs-control "+orientationClass})},_proto.dispose=function(){this.handleMouseOut(),_Component.prototype.dispose.call(this)},_proto.handleVolumeControlKeyUp=function(event){keycode.isEventKey(event,"Esc")&&this.muteToggle.focus()},_proto.handleMouseOver=function(event){this.addClass("vjs-hover"),on(document,"keyup",bind(this,this.handleKeyPress))},_proto.handleMouseOut=function(event){this.removeClass("vjs-hover"),off(document,"keyup",bind(this,this.handleKeyPress))},_proto.handleKeyPress=function(event){keycode.isEventKey(event,"Esc")&&this.handleMouseOut()},VolumePanel}(Component);VolumePanel.prototype.options_={children:["muteToggle","volumeControl"]},Component.registerComponent("VolumePanel",VolumePanel);var Menu=function(_Component){function Menu(player,options){var _this;return _this=_Component.call(this,player,options)||this,options&&(_this.menuButton_=options.menuButton),_this.focusedChild_=-1,_this.on("keydown",_this.handleKeyDown),_this.boundHandleBlur_=bind(assertThisInitialized(_this),_this.handleBlur),_this.boundHandleTapClick_=bind(assertThisInitialized(_this),_this.handleTapClick),_this}inheritsLoose(Menu,_Component);var _proto=Menu.prototype;return _proto.addEventListenerForItem=function(component){component instanceof Component&&(this.on(component,"blur",this.boundHandleBlur_),this.on(component,["tap","click"],this.boundHandleTapClick_))},_proto.removeEventListenerForItem=function(component){component instanceof Component&&(this.off(component,"blur",this.boundHandleBlur_),this.off(component,["tap","click"],this.boundHandleTapClick_))},_proto.removeChild=function(component){"string"==typeof component&&(component=this.getChild(component)),this.removeEventListenerForItem(component),_Component.prototype.removeChild.call(this,component)},_proto.addItem=function(component){var childComponent=this.addChild(component);childComponent&&this.addEventListenerForItem(childComponent)},_proto.createEl=function(){var contentElType=this.options_.contentElType||"ul";this.contentEl_=createEl(contentElType,{className:"vjs-menu-content"}),this.contentEl_.setAttribute("role","menu");var el=_Component.prototype.createEl.call(this,"div",{append:this.contentEl_,className:"vjs-menu"});return el.appendChild(this.contentEl_),on(el,"click",(function(event){event.preventDefault(),event.stopImmediatePropagation()})),el},_proto.dispose=function(){this.contentEl_=null,this.boundHandleBlur_=null,this.boundHandleTapClick_=null,_Component.prototype.dispose.call(this)},_proto.handleBlur=function(event){var relatedTarget=event.relatedTarget||document.activeElement;if(!this.children().some((function(element){return element.el()===relatedTarget}))){var btn=this.menuButton_;btn&&btn.buttonPressed_&&relatedTarget!==btn.el().firstChild&&btn.unpressButton()}},_proto.handleTapClick=function(event){if(this.menuButton_){this.menuButton_.unpressButton();var childComponents=this.children();if(!Array.isArray(childComponents))return;var foundComponent=childComponents.filter((function(component){return component.el()===event.target}))[0];if(!foundComponent)return;"CaptionSettingsMenuItem"!==foundComponent.name()&&this.menuButton_.focus()}},_proto.handleKeyDown=function(event){keycode.isEventKey(event,"Left")||keycode.isEventKey(event,"Down")?(event.preventDefault(),event.stopPropagation(),this.stepForward()):(keycode.isEventKey(event,"Right")||keycode.isEventKey(event,"Up"))&&(event.preventDefault(),event.stopPropagation(),this.stepBack())},_proto.stepForward=function(){var stepChild=0;void 0!==this.focusedChild_&&(stepChild=this.focusedChild_+1),this.focus(stepChild)},_proto.stepBack=function(){var stepChild=0;void 0!==this.focusedChild_&&(stepChild=this.focusedChild_-1),this.focus(stepChild)},_proto.focus=function(item){void 0===item&&(item=0);var children=this.children().slice();children.length&&children[0].className&&/vjs-menu-title/.test(children[0].className)&&children.shift(),children.length>0&&(item<0?item=0:item>=children.length&&(item=children.length-1),this.focusedChild_=item,children[item].el_.focus())},Menu}(Component);Component.registerComponent("Menu",Menu);var MenuButton=function(_Component){function MenuButton(player,options){var _this;void 0===options&&(options={}),(_this=_Component.call(this,player,options)||this).menuButton_=new Button(player,options),_this.menuButton_.controlText(_this.controlText_),_this.menuButton_.el_.setAttribute("aria-haspopup","true");var buttonClass=Button.prototype.buildCSSClass();return _this.menuButton_.el_.className=_this.buildCSSClass()+" "+buttonClass,_this.menuButton_.removeClass("vjs-control"),_this.addChild(_this.menuButton_),_this.update(),_this.enabled_=!0,_this.on(_this.menuButton_,"tap",_this.handleClick),_this.on(_this.menuButton_,"click",_this.handleClick),_this.on(_this.menuButton_,"keydown",_this.handleKeyDown),_this.on(_this.menuButton_,"mouseenter",(function(){_this.addClass("vjs-hover"),_this.menu.show(),on(document,"keyup",bind(assertThisInitialized(_this),_this.handleMenuKeyUp))})),_this.on("mouseleave",_this.handleMouseLeave),_this.on("keydown",_this.handleSubmenuKeyDown),_this}inheritsLoose(MenuButton,_Component);var _proto=MenuButton.prototype;return _proto.update=function(){var menu=this.createMenu();this.menu&&(this.menu.dispose(),this.removeChild(this.menu)),this.menu=menu,this.addChild(menu),this.buttonPressed_=!1,this.menuButton_.el_.setAttribute("aria-expanded","false"),this.items&&this.items.length<=this.hideThreshold_?this.hide():this.show()},_proto.createMenu=function(){var menu=new Menu(this.player_,{menuButton:this});if(this.hideThreshold_=0,this.options_.title){var titleEl=createEl("li",{className:"vjs-menu-title",innerHTML:toTitleCase(this.options_.title),tabIndex:-1});this.hideThreshold_+=1;var titleComponent=new Component(this.player_,{el:titleEl});menu.addItem(titleComponent)}if(this.items=this.createItems(),this.items)for(var i=0;i<this.items.length;i++)menu.addItem(this.items[i]);return menu},_proto.createItems=function(){},_proto.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:this.buildWrapperCSSClass()},{})},_proto.buildWrapperCSSClass=function(){var menuButtonClass="vjs-menu-button";return!0===this.options_.inline?menuButtonClass+="-inline":menuButtonClass+="-popup","vjs-menu-button "+menuButtonClass+" "+Button.prototype.buildCSSClass()+" "+_Component.prototype.buildCSSClass.call(this)},_proto.buildCSSClass=function(){var menuButtonClass="vjs-menu-button";return!0===this.options_.inline?menuButtonClass+="-inline":menuButtonClass+="-popup","vjs-menu-button "+menuButtonClass+" "+_Component.prototype.buildCSSClass.call(this)},_proto.controlText=function(text,el){return void 0===el&&(el=this.menuButton_.el()),this.menuButton_.controlText(text,el)},_proto.dispose=function(){this.handleMouseLeave(),_Component.prototype.dispose.call(this)},_proto.handleClick=function(event){this.buttonPressed_?this.unpressButton():this.pressButton()},_proto.handleMouseLeave=function(event){this.removeClass("vjs-hover"),off(document,"keyup",bind(this,this.handleMenuKeyUp))},_proto.focus=function(){this.menuButton_.focus()},_proto.blur=function(){this.menuButton_.blur()},_proto.handleKeyDown=function(event){keycode.isEventKey(event,"Esc")||keycode.isEventKey(event,"Tab")?(this.buttonPressed_&&this.unpressButton(),keycode.isEventKey(event,"Tab")||(event.preventDefault(),this.menuButton_.focus())):(keycode.isEventKey(event,"Up")||keycode.isEventKey(event,"Down"))&&(this.buttonPressed_||(event.preventDefault(),this.pressButton()))},_proto.handleMenuKeyUp=function(event){(keycode.isEventKey(event,"Esc")||keycode.isEventKey(event,"Tab"))&&this.removeClass("vjs-hover")},_proto.handleSubmenuKeyPress=function(event){this.handleSubmenuKeyDown(event)},_proto.handleSubmenuKeyDown=function(event){(keycode.isEventKey(event,"Esc")||keycode.isEventKey(event,"Tab"))&&(this.buttonPressed_&&this.unpressButton(),keycode.isEventKey(event,"Tab")||(event.preventDefault(),this.menuButton_.focus()))},_proto.pressButton=function(){if(this.enabled_){if(this.buttonPressed_=!0,this.menu.show(),this.menu.lockShowing(),this.menuButton_.el_.setAttribute("aria-expanded","true"),IS_IOS&&isInFrame())return;this.menu.focus()}},_proto.unpressButton=function(){this.enabled_&&(this.buttonPressed_=!1,this.menu.unlockShowing(),this.menu.hide(),this.menuButton_.el_.setAttribute("aria-expanded","false"))},_proto.disable=function(){this.unpressButton(),this.enabled_=!1,this.addClass("vjs-disabled"),this.menuButton_.disable()},_proto.enable=function(){this.enabled_=!0,this.removeClass("vjs-disabled"),this.menuButton_.enable()},MenuButton}(Component);Component.registerComponent("MenuButton",MenuButton);var TrackButton=function(_MenuButton){function TrackButton(player,options){var _this,tracks=options.tracks;if((_this=_MenuButton.call(this,player,options)||this).items.length<=1&&_this.hide(),!tracks)return assertThisInitialized(_this);var updateHandler=bind(assertThisInitialized(_this),_this.update);return tracks.addEventListener("removetrack",updateHandler),tracks.addEventListener("addtrack",updateHandler),_this.player_.on("ready",updateHandler),_this.player_.on("dispose",(function(){tracks.removeEventListener("removetrack",updateHandler),tracks.removeEventListener("addtrack",updateHandler)})),_this}return inheritsLoose(TrackButton,_MenuButton),TrackButton}(MenuButton);Component.registerComponent("TrackButton",TrackButton);var MenuKeys=["Tab","Esc","Up","Down","Right","Left"],MenuItem=function(_ClickableComponent){function MenuItem(player,options){var _this;return(_this=_ClickableComponent.call(this,player,options)||this).selectable=options.selectable,_this.isSelected_=options.selected||!1,_this.multiSelectable=options.multiSelectable,_this.selected(_this.isSelected_),_this.selectable?_this.multiSelectable?_this.el_.setAttribute("role","menuitemcheckbox"):_this.el_.setAttribute("role","menuitemradio"):_this.el_.setAttribute("role","menuitem"),_this}inheritsLoose(MenuItem,_ClickableComponent);var _proto=MenuItem.prototype;return _proto.createEl=function(type,props,attrs){return this.nonIconControl=!0,_ClickableComponent.prototype.createEl.call(this,"li",assign({className:"vjs-menu-item",innerHTML:'<span class="vjs-menu-item-text">'+this.localize(this.options_.label)+"</span>",tabIndex:-1},props),attrs)},_proto.handleKeyDown=function(event){MenuKeys.some((function(key){return keycode.isEventKey(event,key)}))||_ClickableComponent.prototype.handleKeyDown.call(this,event)},_proto.handleClick=function(event){this.selected(!0)},_proto.selected=function(_selected){this.selectable&&(_selected?(this.addClass("vjs-selected"),this.el_.setAttribute("aria-checked","true"),this.controlText(", selected"),this.isSelected_=!0):(this.removeClass("vjs-selected"),this.el_.setAttribute("aria-checked","false"),this.controlText(""),this.isSelected_=!1))},MenuItem}(ClickableComponent);Component.registerComponent("MenuItem",MenuItem);var TextTrackMenuItem=function(_MenuItem){function TextTrackMenuItem(player,options){var _this,track=options.track,tracks=player.textTracks();options.label=track.label||track.language||"Unknown",options.selected="showing"===track.mode,(_this=_MenuItem.call(this,player,options)||this).track=track,_this.kinds=(options.kinds||[options.kind||_this.track.kind]).filter(Boolean);var event,changeHandler=function(){for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];_this.handleTracksChange.apply(assertThisInitialized(_this),args)},selectedLanguageChangeHandler=function(){for(var _len2=arguments.length,args=new Array(_len2),_key2=0;_key2<_len2;_key2++)args[_key2]=arguments[_key2];_this.handleSelectedLanguageChange.apply(assertThisInitialized(_this),args)};return player.on(["loadstart","texttrackchange"],changeHandler),tracks.addEventListener("change",changeHandler),tracks.addEventListener("selectedlanguagechange",selectedLanguageChangeHandler),_this.on("dispose",(function(){player.off(["loadstart","texttrackchange"],changeHandler),tracks.removeEventListener("change",changeHandler),tracks.removeEventListener("selectedlanguagechange",selectedLanguageChangeHandler)})),void 0===tracks.onchange&&_this.on(["tap","click"],(function(){if("object"!==_typeof2(window$3.Event))try{event=new window$3.Event("change")}catch(err){}event||(event=document.createEvent("Event")).initEvent("change",!0,!0),tracks.dispatchEvent(event)})),_this.handleTracksChange(),_this}inheritsLoose(TextTrackMenuItem,_MenuItem);var _proto=TextTrackMenuItem.prototype;return _proto.handleClick=function(event){var referenceTrack=this.track,tracks=this.player_.textTracks();if(_MenuItem.prototype.handleClick.call(this,event),tracks)for(var i=0;i<tracks.length;i++){var track=tracks[i];-1!==this.kinds.indexOf(track.kind)&&(track===referenceTrack?"showing"!==track.mode&&(track.mode="showing"):"disabled"!==track.mode&&(track.mode="disabled"))}},_proto.handleTracksChange=function(event){var shouldBeSelected="showing"===this.track.mode;shouldBeSelected!==this.isSelected_&&this.selected(shouldBeSelected)},_proto.handleSelectedLanguageChange=function(event){if("showing"===this.track.mode){var selectedLanguage=this.player_.cache_.selectedLanguage;if(selectedLanguage&&selectedLanguage.enabled&&selectedLanguage.language===this.track.language&&selectedLanguage.kind!==this.track.kind)return;this.player_.cache_.selectedLanguage={enabled:!0,language:this.track.language,kind:this.track.kind}}},_proto.dispose=function(){this.track=null,_MenuItem.prototype.dispose.call(this)},TextTrackMenuItem}(MenuItem);Component.registerComponent("TextTrackMenuItem",TextTrackMenuItem);var OffTextTrackMenuItem=function(_TextTrackMenuItem){function OffTextTrackMenuItem(player,options){return options.track={player:player,kind:options.kind,kinds:options.kinds,default:!1,mode:"disabled"},options.kinds||(options.kinds=[options.kind]),options.label?options.track.label=options.label:options.track.label=options.kinds.join(" and ")+" off",options.selectable=!0,options.multiSelectable=!1,_TextTrackMenuItem.call(this,player,options)||this}inheritsLoose(OffTextTrackMenuItem,_TextTrackMenuItem);var _proto=OffTextTrackMenuItem.prototype;return _proto.handleTracksChange=function(event){for(var tracks=this.player().textTracks(),shouldBeSelected=!0,i=0,l=tracks.length;i<l;i++){var track=tracks[i];if(this.options_.kinds.indexOf(track.kind)>-1&&"showing"===track.mode){shouldBeSelected=!1;break}}shouldBeSelected!==this.isSelected_&&this.selected(shouldBeSelected)},_proto.handleSelectedLanguageChange=function(event){for(var tracks=this.player().textTracks(),allHidden=!0,i=0,l=tracks.length;i<l;i++){var track=tracks[i];if(["captions","descriptions","subtitles"].indexOf(track.kind)>-1&&"showing"===track.mode){allHidden=!1;break}}allHidden&&(this.player_.cache_.selectedLanguage={enabled:!1})},OffTextTrackMenuItem}(TextTrackMenuItem);Component.registerComponent("OffTextTrackMenuItem",OffTextTrackMenuItem);var TextTrackButton=function(_TrackButton){function TextTrackButton(player,options){return void 0===options&&(options={}),options.tracks=player.textTracks(),_TrackButton.call(this,player,options)||this}return inheritsLoose(TextTrackButton,_TrackButton),TextTrackButton.prototype.createItems=function(items,TrackMenuItem){var label;void 0===items&&(items=[]),void 0===TrackMenuItem&&(TrackMenuItem=TextTrackMenuItem),this.label_&&(label=this.label_+" off"),items.push(new OffTextTrackMenuItem(this.player_,{kinds:this.kinds_,kind:this.kind_,label:label})),this.hideThreshold_+=1;var tracks=this.player_.textTracks();Array.isArray(this.kinds_)||(this.kinds_=[this.kind_]);for(var i=0;i<tracks.length;i++){var track=tracks[i];if(this.kinds_.indexOf(track.kind)>-1){var item=new TrackMenuItem(this.player_,{track:track,kinds:this.kinds_,kind:this.kind_,selectable:!0,multiSelectable:!1});item.addClass("vjs-"+track.kind+"-menu-item"),items.push(item)}}return items},TextTrackButton}(TrackButton);Component.registerComponent("TextTrackButton",TextTrackButton);var ChaptersTrackMenuItem=function(_MenuItem){function ChaptersTrackMenuItem(player,options){var _this,track=options.track,cue=options.cue,currentTime=player.currentTime();return options.selectable=!0,options.multiSelectable=!1,options.label=cue.text,options.selected=cue.startTime<=currentTime&&currentTime<cue.endTime,(_this=_MenuItem.call(this,player,options)||this).track=track,_this.cue=cue,track.addEventListener("cuechange",bind(assertThisInitialized(_this),_this.update)),_this}inheritsLoose(ChaptersTrackMenuItem,_MenuItem);var _proto=ChaptersTrackMenuItem.prototype;return _proto.handleClick=function(event){_MenuItem.prototype.handleClick.call(this),this.player_.currentTime(this.cue.startTime),this.update(this.cue.startTime)},_proto.update=function(event){var cue=this.cue,currentTime=this.player_.currentTime();this.selected(cue.startTime<=currentTime&&currentTime<cue.endTime)},ChaptersTrackMenuItem}(MenuItem);Component.registerComponent("ChaptersTrackMenuItem",ChaptersTrackMenuItem);var ChaptersButton=function(_TextTrackButton){function ChaptersButton(player,options,ready){return _TextTrackButton.call(this,player,options,ready)||this}inheritsLoose(ChaptersButton,_TextTrackButton);var _proto=ChaptersButton.prototype;return _proto.buildCSSClass=function(){return"vjs-chapters-button "+_TextTrackButton.prototype.buildCSSClass.call(this)},_proto.buildWrapperCSSClass=function(){return"vjs-chapters-button "+_TextTrackButton.prototype.buildWrapperCSSClass.call(this)},_proto.update=function(event){this.track_&&(!event||"addtrack"!==event.type&&"removetrack"!==event.type)||this.setTrack(this.findChaptersTrack()),_TextTrackButton.prototype.update.call(this)},_proto.setTrack=function(track){if(this.track_!==track){if(this.updateHandler_||(this.updateHandler_=this.update.bind(this)),this.track_){var remoteTextTrackEl=this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);remoteTextTrackEl&&remoteTextTrackEl.removeEventListener("load",this.updateHandler_),this.track_=null}if(this.track_=track,this.track_){this.track_.mode="hidden";var _remoteTextTrackEl=this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);_remoteTextTrackEl&&_remoteTextTrackEl.addEventListener("load",this.updateHandler_)}}},_proto.findChaptersTrack=function(){for(var tracks=this.player_.textTracks()||[],i=tracks.length-1;i>=0;i--){var track=tracks[i];if(track.kind===this.kind_)return track}},_proto.getMenuCaption=function(){return this.track_&&this.track_.label?this.track_.label:this.localize(toTitleCase(this.kind_))},_proto.createMenu=function(){return this.options_.title=this.getMenuCaption(),_TextTrackButton.prototype.createMenu.call(this)},_proto.createItems=function(){var items=[];if(!this.track_)return items;var cues=this.track_.cues;if(!cues)return items;for(var i=0,l=cues.length;i<l;i++){var cue=cues[i],mi=new ChaptersTrackMenuItem(this.player_,{track:this.track_,cue:cue});items.push(mi)}return items},ChaptersButton}(TextTrackButton);ChaptersButton.prototype.kind_="chapters",ChaptersButton.prototype.controlText_="Chapters",Component.registerComponent("ChaptersButton",ChaptersButton);var DescriptionsButton=function(_TextTrackButton){function DescriptionsButton(player,options,ready){var _this;_this=_TextTrackButton.call(this,player,options,ready)||this;var tracks=player.textTracks(),changeHandler=bind(assertThisInitialized(_this),_this.handleTracksChange);return tracks.addEventListener("change",changeHandler),_this.on("dispose",(function(){tracks.removeEventListener("change",changeHandler)})),_this}inheritsLoose(DescriptionsButton,_TextTrackButton);var _proto=DescriptionsButton.prototype;return _proto.handleTracksChange=function(event){for(var tracks=this.player().textTracks(),disabled=!1,i=0,l=tracks.length;i<l;i++){var track=tracks[i];if(track.kind!==this.kind_&&"showing"===track.mode){disabled=!0;break}}disabled?this.disable():this.enable()},_proto.buildCSSClass=function(){return"vjs-descriptions-button "+_TextTrackButton.prototype.buildCSSClass.call(this)},_proto.buildWrapperCSSClass=function(){return"vjs-descriptions-button "+_TextTrackButton.prototype.buildWrapperCSSClass.call(this)},DescriptionsButton}(TextTrackButton);DescriptionsButton.prototype.kind_="descriptions",DescriptionsButton.prototype.controlText_="Descriptions",Component.registerComponent("DescriptionsButton",DescriptionsButton);var SubtitlesButton=function(_TextTrackButton){function SubtitlesButton(player,options,ready){return _TextTrackButton.call(this,player,options,ready)||this}inheritsLoose(SubtitlesButton,_TextTrackButton);var _proto=SubtitlesButton.prototype;return _proto.buildCSSClass=function(){return"vjs-subtitles-button "+_TextTrackButton.prototype.buildCSSClass.call(this)},_proto.buildWrapperCSSClass=function(){return"vjs-subtitles-button "+_TextTrackButton.prototype.buildWrapperCSSClass.call(this)},SubtitlesButton}(TextTrackButton);SubtitlesButton.prototype.kind_="subtitles",SubtitlesButton.prototype.controlText_="Subtitles",Component.registerComponent("SubtitlesButton",SubtitlesButton);var CaptionSettingsMenuItem=function(_TextTrackMenuItem){function CaptionSettingsMenuItem(player,options){var _this;return options.track={player:player,kind:options.kind,label:options.kind+" settings",selectable:!1,default:!1,mode:"disabled"},options.selectable=!1,options.name="CaptionSettingsMenuItem",(_this=_TextTrackMenuItem.call(this,player,options)||this).addClass("vjs-texttrack-settings"),_this.controlText(", opens "+options.kind+" settings dialog"),_this}return inheritsLoose(CaptionSettingsMenuItem,_TextTrackMenuItem),CaptionSettingsMenuItem.prototype.handleClick=function(event){this.player().getChild("textTrackSettings").open()},CaptionSettingsMenuItem}(TextTrackMenuItem);Component.registerComponent("CaptionSettingsMenuItem",CaptionSettingsMenuItem);var CaptionsButton=function(_TextTrackButton){function CaptionsButton(player,options,ready){return _TextTrackButton.call(this,player,options,ready)||this}inheritsLoose(CaptionsButton,_TextTrackButton);var _proto=CaptionsButton.prototype;return _proto.buildCSSClass=function(){return"vjs-captions-button "+_TextTrackButton.prototype.buildCSSClass.call(this)},_proto.buildWrapperCSSClass=function(){return"vjs-captions-button "+_TextTrackButton.prototype.buildWrapperCSSClass.call(this)},_proto.createItems=function(){var items=[];return this.player().tech_&&this.player().tech_.featuresNativeTextTracks||!this.player().getChild("textTrackSettings")||(items.push(new CaptionSettingsMenuItem(this.player_,{kind:this.kind_})),this.hideThreshold_+=1),_TextTrackButton.prototype.createItems.call(this,items)},CaptionsButton}(TextTrackButton);CaptionsButton.prototype.kind_="captions",CaptionsButton.prototype.controlText_="Captions",Component.registerComponent("CaptionsButton",CaptionsButton);var SubsCapsMenuItem=function(_TextTrackMenuItem){function SubsCapsMenuItem(){return _TextTrackMenuItem.apply(this,arguments)||this}return inheritsLoose(SubsCapsMenuItem,_TextTrackMenuItem),SubsCapsMenuItem.prototype.createEl=function(type,props,attrs){var innerHTML='<span class="vjs-menu-item-text">'+this.localize(this.options_.label);return"captions"===this.options_.track.kind&&(innerHTML+='\n        <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n        <span class="vjs-control-text"> '+this.localize("Captions")+"</span>\n      "),innerHTML+="</span>",_TextTrackMenuItem.prototype.createEl.call(this,type,assign({innerHTML:innerHTML},props),attrs)},SubsCapsMenuItem}(TextTrackMenuItem);Component.registerComponent("SubsCapsMenuItem",SubsCapsMenuItem);var SubsCapsButton=function(_TextTrackButton){function SubsCapsButton(player,options){var _this;return void 0===options&&(options={}),(_this=_TextTrackButton.call(this,player,options)||this).label_="subtitles",["en","en-us","en-ca","fr-ca"].indexOf(_this.player_.language_)>-1&&(_this.label_="captions"),_this.menuButton_.controlText(toTitleCase(_this.label_)),_this}inheritsLoose(SubsCapsButton,_TextTrackButton);var _proto=SubsCapsButton.prototype;return _proto.buildCSSClass=function(){return"vjs-subs-caps-button "+_TextTrackButton.prototype.buildCSSClass.call(this)},_proto.buildWrapperCSSClass=function(){return"vjs-subs-caps-button "+_TextTrackButton.prototype.buildWrapperCSSClass.call(this)},_proto.createItems=function(){var items=[];return this.player().tech_&&this.player().tech_.featuresNativeTextTracks||!this.player().getChild("textTrackSettings")||(items.push(new CaptionSettingsMenuItem(this.player_,{kind:this.label_})),this.hideThreshold_+=1),items=_TextTrackButton.prototype.createItems.call(this,items,SubsCapsMenuItem)},SubsCapsButton}(TextTrackButton);SubsCapsButton.prototype.kinds_=["captions","subtitles"],SubsCapsButton.prototype.controlText_="Subtitles",Component.registerComponent("SubsCapsButton",SubsCapsButton);var AudioTrackMenuItem=function(_MenuItem){function AudioTrackMenuItem(player,options){var _this,track=options.track,tracks=player.audioTracks();options.label=track.label||track.language||"Unknown",options.selected=track.enabled,(_this=_MenuItem.call(this,player,options)||this).track=track,_this.addClass("vjs-"+track.kind+"-menu-item");var changeHandler=function(){for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];_this.handleTracksChange.apply(assertThisInitialized(_this),args)};return tracks.addEventListener("change",changeHandler),_this.on("dispose",(function(){tracks.removeEventListener("change",changeHandler)})),_this}inheritsLoose(AudioTrackMenuItem,_MenuItem);var _proto=AudioTrackMenuItem.prototype;return _proto.createEl=function(type,props,attrs){var innerHTML='<span class="vjs-menu-item-text">'+this.localize(this.options_.label);return"main-desc"===this.options_.track.kind&&(innerHTML+='\n        <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n        <span class="vjs-control-text"> '+this.localize("Descriptions")+"</span>\n      "),innerHTML+="</span>",_MenuItem.prototype.createEl.call(this,type,assign({innerHTML:innerHTML},props),attrs)},_proto.handleClick=function(event){var tracks=this.player_.audioTracks();_MenuItem.prototype.handleClick.call(this,event);for(var i=0;i<tracks.length;i++){var track=tracks[i];track.enabled=track===this.track}},_proto.handleTracksChange=function(event){this.selected(this.track.enabled)},AudioTrackMenuItem}(MenuItem);Component.registerComponent("AudioTrackMenuItem",AudioTrackMenuItem);var AudioTrackButton=function(_TrackButton){function AudioTrackButton(player,options){return void 0===options&&(options={}),options.tracks=player.audioTracks(),_TrackButton.call(this,player,options)||this}inheritsLoose(AudioTrackButton,_TrackButton);var _proto=AudioTrackButton.prototype;return _proto.buildCSSClass=function(){return"vjs-audio-button "+_TrackButton.prototype.buildCSSClass.call(this)},_proto.buildWrapperCSSClass=function(){return"vjs-audio-button "+_TrackButton.prototype.buildWrapperCSSClass.call(this)},_proto.createItems=function(items){void 0===items&&(items=[]),this.hideThreshold_=1;for(var tracks=this.player_.audioTracks(),i=0;i<tracks.length;i++){var track=tracks[i];items.push(new AudioTrackMenuItem(this.player_,{track:track,selectable:!0,multiSelectable:!1}))}return items},AudioTrackButton}(TrackButton);AudioTrackButton.prototype.controlText_="Audio Track",Component.registerComponent("AudioTrackButton",AudioTrackButton);var PlaybackRateMenuItem=function(_MenuItem){function PlaybackRateMenuItem(player,options){var _this,label=options.rate,rate=parseFloat(label,10);return options.label=label,options.selected=1===rate,options.selectable=!0,options.multiSelectable=!1,(_this=_MenuItem.call(this,player,options)||this).label=label,_this.rate=rate,_this.on(player,"ratechange",_this.update),_this}inheritsLoose(PlaybackRateMenuItem,_MenuItem);var _proto=PlaybackRateMenuItem.prototype;return _proto.handleClick=function(event){_MenuItem.prototype.handleClick.call(this),this.player().playbackRate(this.rate)},_proto.update=function(event){this.selected(this.player().playbackRate()===this.rate)},PlaybackRateMenuItem}(MenuItem);PlaybackRateMenuItem.prototype.contentElType="button",Component.registerComponent("PlaybackRateMenuItem",PlaybackRateMenuItem);var PlaybackRateMenuButton=function(_MenuButton){function PlaybackRateMenuButton(player,options){var _this;return(_this=_MenuButton.call(this,player,options)||this).updateVisibility(),_this.updateLabel(),_this.on(player,"loadstart",_this.updateVisibility),_this.on(player,"ratechange",_this.updateLabel),_this}inheritsLoose(PlaybackRateMenuButton,_MenuButton);var _proto=PlaybackRateMenuButton.prototype;return _proto.createEl=function(){var el=_MenuButton.prototype.createEl.call(this);return this.labelEl_=createEl("div",{className:"vjs-playback-rate-value",innerHTML:"1x"}),el.appendChild(this.labelEl_),el},_proto.dispose=function(){this.labelEl_=null,_MenuButton.prototype.dispose.call(this)},_proto.buildCSSClass=function(){return"vjs-playback-rate "+_MenuButton.prototype.buildCSSClass.call(this)},_proto.buildWrapperCSSClass=function(){return"vjs-playback-rate "+_MenuButton.prototype.buildWrapperCSSClass.call(this)},_proto.createMenu=function(){var menu=new Menu(this.player()),rates=this.playbackRates();if(rates)for(var i=rates.length-1;i>=0;i--)menu.addChild(new PlaybackRateMenuItem(this.player(),{rate:rates[i]+"x"}));return menu},_proto.updateARIAAttributes=function(){this.el().setAttribute("aria-valuenow",this.player().playbackRate())},_proto.handleClick=function(event){for(var currentRate=this.player().playbackRate(),rates=this.playbackRates(),newRate=rates[0],i=0;i<rates.length;i++)if(rates[i]>currentRate){newRate=rates[i];break}this.player().playbackRate(newRate)},_proto.playbackRates=function(){return this.options_.playbackRates||this.options_.playerOptions&&this.options_.playerOptions.playbackRates},_proto.playbackRateSupported=function(){return this.player().tech_&&this.player().tech_.featuresPlaybackRate&&this.playbackRates()&&this.playbackRates().length>0},_proto.updateVisibility=function(event){this.playbackRateSupported()?this.removeClass("vjs-hidden"):this.addClass("vjs-hidden")},_proto.updateLabel=function(event){this.playbackRateSupported()&&(this.labelEl_.innerHTML=this.player().playbackRate()+"x")},PlaybackRateMenuButton}(MenuButton);PlaybackRateMenuButton.prototype.controlText_="Playback Rate",Component.registerComponent("PlaybackRateMenuButton",PlaybackRateMenuButton);var Spacer=function(_Component){function Spacer(){return _Component.apply(this,arguments)||this}inheritsLoose(Spacer,_Component);var _proto=Spacer.prototype;return _proto.buildCSSClass=function(){return"vjs-spacer "+_Component.prototype.buildCSSClass.call(this)},_proto.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:this.buildCSSClass()})},Spacer}(Component);Component.registerComponent("Spacer",Spacer);var CustomControlSpacer=function(_Spacer){function CustomControlSpacer(){return _Spacer.apply(this,arguments)||this}inheritsLoose(CustomControlSpacer,_Spacer);var _proto=CustomControlSpacer.prototype;return _proto.buildCSSClass=function(){return"vjs-custom-control-spacer "+_Spacer.prototype.buildCSSClass.call(this)},_proto.createEl=function(){var el=_Spacer.prototype.createEl.call(this,{className:this.buildCSSClass()});return el.innerHTML=" ",el},CustomControlSpacer}(Spacer);Component.registerComponent("CustomControlSpacer",CustomControlSpacer);var ControlBar=function(_Component){function ControlBar(){return _Component.apply(this,arguments)||this}return inheritsLoose(ControlBar,_Component),ControlBar.prototype.createEl=function(){return _Component.prototype.createEl.call(this,"div",{className:"vjs-control-bar",dir:"ltr"})},ControlBar}(Component);ControlBar.prototype.options_={children:["playToggle","volumePanel","currentTimeDisplay","timeDivider","durationDisplay","progressControl","liveDisplay","seekToLive","remainingTimeDisplay","customControlSpacer","playbackRateMenuButton","chaptersButton","descriptionsButton","subsCapsButton","audioTrackButton","fullscreenToggle"]},"exitPictureInPicture"in document&&ControlBar.prototype.options_.children.splice(ControlBar.prototype.options_.children.length-1,0,"pictureInPictureToggle"),Component.registerComponent("ControlBar",ControlBar);var ErrorDisplay=function(_ModalDialog){function ErrorDisplay(player,options){var _this;return(_this=_ModalDialog.call(this,player,options)||this).on(player,"error",_this.open),_this}inheritsLoose(ErrorDisplay,_ModalDialog);var _proto=ErrorDisplay.prototype;return _proto.buildCSSClass=function(){return"vjs-error-display "+_ModalDialog.prototype.buildCSSClass.call(this)},_proto.content=function(){var error=this.player().error();return error?this.localize(error.message):""},ErrorDisplay}(ModalDialog);ErrorDisplay.prototype.options_=_extends_1({},ModalDialog.prototype.options_,{pauseOnOpen:!1,fillAlways:!0,temporary:!1,uncloseable:!0}),Component.registerComponent("ErrorDisplay",ErrorDisplay);var COLOR_BLACK=["#000","Black"],COLOR_BLUE=["#00F","Blue"],COLOR_CYAN=["#0FF","Cyan"],COLOR_GREEN=["#0F0","Green"],COLOR_MAGENTA=["#F0F","Magenta"],COLOR_RED=["#F00","Red"],COLOR_WHITE=["#FFF","White"],COLOR_YELLOW=["#FF0","Yellow"],OPACITY_OPAQUE=["1","Opaque"],OPACITY_SEMI=["0.5","Semi-Transparent"],OPACITY_TRANS=["0","Transparent"],selectConfigs={backgroundColor:{selector:".vjs-bg-color > select",id:"captions-background-color-%s",label:"Color",options:[COLOR_BLACK,COLOR_WHITE,COLOR_RED,COLOR_GREEN,COLOR_BLUE,COLOR_YELLOW,COLOR_MAGENTA,COLOR_CYAN]},backgroundOpacity:{selector:".vjs-bg-opacity > select",id:"captions-background-opacity-%s",label:"Transparency",options:[OPACITY_OPAQUE,OPACITY_SEMI,OPACITY_TRANS]},color:{selector:".vjs-fg-color > select",id:"captions-foreground-color-%s",label:"Color",options:[COLOR_WHITE,COLOR_BLACK,COLOR_RED,COLOR_GREEN,COLOR_BLUE,COLOR_YELLOW,COLOR_MAGENTA,COLOR_CYAN]},edgeStyle:{selector:".vjs-edge-style > select",id:"%s",label:"Text Edge Style",options:[["none","None"],["raised","Raised"],["depressed","Depressed"],["uniform","Uniform"],["dropshadow","Dropshadow"]]},fontFamily:{selector:".vjs-font-family > select",id:"captions-font-family-%s",label:"Font Family",options:[["proportionalSansSerif","Proportional Sans-Serif"],["monospaceSansSerif","Monospace Sans-Serif"],["proportionalSerif","Proportional Serif"],["monospaceSerif","Monospace Serif"],["casual","Casual"],["script","Script"],["small-caps","Small Caps"]]},fontPercent:{selector:".vjs-font-percent > select",id:"captions-font-size-%s",label:"Font Size",options:[["0.50","50%"],["0.75","75%"],["1.00","100%"],["1.25","125%"],["1.50","150%"],["1.75","175%"],["2.00","200%"],["3.00","300%"],["4.00","400%"]],default:2,parser:function(v){return"1.00"===v?null:Number(v)}},textOpacity:{selector:".vjs-text-opacity > select",id:"captions-foreground-opacity-%s",label:"Transparency",options:[OPACITY_OPAQUE,OPACITY_SEMI]},windowColor:{selector:".vjs-window-color > select",id:"captions-window-color-%s",label:"Color"},windowOpacity:{selector:".vjs-window-opacity > select",id:"captions-window-opacity-%s",label:"Transparency",options:[OPACITY_TRANS,OPACITY_SEMI,OPACITY_OPAQUE]}};function parseOptionValue(value,parser){if(parser&&(value=parser(value)),value&&"none"!==value)return value}selectConfigs.windowColor.options=selectConfigs.backgroundColor.options;var TextTrackSettings=function(_ModalDialog){function TextTrackSettings(player,options){var _this;return options.temporary=!1,(_this=_ModalDialog.call(this,player,options)||this).updateDisplay=bind(assertThisInitialized(_this),_this.updateDisplay),_this.fill(),_this.hasBeenOpened_=_this.hasBeenFilled_=!0,_this.endDialog=createEl("p",{className:"vjs-control-text",textContent:_this.localize("End of dialog window.")}),_this.el().appendChild(_this.endDialog),_this.setDefaults(),void 0===options.persistTextTrackSettings&&(_this.options_.persistTextTrackSettings=_this.options_.playerOptions.persistTextTrackSettings),_this.on(_this.$(".vjs-done-button"),"click",(function(){_this.saveSettings(),_this.close()})),_this.on(_this.$(".vjs-default-button"),"click",(function(){_this.setDefaults(),_this.updateDisplay()})),each(selectConfigs,(function(config){_this.on(_this.$(config.selector),"change",_this.updateDisplay)})),_this.options_.persistTextTrackSettings&&_this.restoreSettings(),_this}inheritsLoose(TextTrackSettings,_ModalDialog);var _proto=TextTrackSettings.prototype;return _proto.dispose=function(){this.endDialog=null,_ModalDialog.prototype.dispose.call(this)},_proto.createElSelect_=function(key,legendId,type){var _this2=this;void 0===legendId&&(legendId=""),void 0===type&&(type="label");var config=selectConfigs[key],id=config.id.replace("%s",this.id_),selectLabelledbyIds=[legendId,id].join(" ").trim();return["<"+type+' id="'+id+'" class="'+("label"===type?"vjs-label":"")+'">',this.localize(config.label),"</"+type+">",'<select aria-labelledby="'+selectLabelledbyIds+'">'].concat(config.options.map((function(o){var optionId=id+"-"+o[1].replace(/\W+/g,"");return['<option id="'+optionId+'" value="'+o[0]+'" ','aria-labelledby="'+selectLabelledbyIds+" "+optionId+'">',_this2.localize(o[1]),"</option>"].join("")}))).concat("</select>").join("")},_proto.createElFgColor_=function(){var legendId="captions-text-legend-"+this.id_;return['<fieldset class="vjs-fg-color vjs-track-setting">','<legend id="'+legendId+'">',this.localize("Text"),"</legend>",this.createElSelect_("color",legendId),'<span class="vjs-text-opacity vjs-opacity">',this.createElSelect_("textOpacity",legendId),"</span>","</fieldset>"].join("")},_proto.createElBgColor_=function(){var legendId="captions-background-"+this.id_;return['<fieldset class="vjs-bg-color vjs-track-setting">','<legend id="'+legendId+'">',this.localize("Background"),"</legend>",this.createElSelect_("backgroundColor",legendId),'<span class="vjs-bg-opacity vjs-opacity">',this.createElSelect_("backgroundOpacity",legendId),"</span>","</fieldset>"].join("")},_proto.createElWinColor_=function(){var legendId="captions-window-"+this.id_;return['<fieldset class="vjs-window-color vjs-track-setting">','<legend id="'+legendId+'">',this.localize("Window"),"</legend>",this.createElSelect_("windowColor",legendId),'<span class="vjs-window-opacity vjs-opacity">',this.createElSelect_("windowOpacity",legendId),"</span>","</fieldset>"].join("")},_proto.createElColors_=function(){return createEl("div",{className:"vjs-track-settings-colors",innerHTML:[this.createElFgColor_(),this.createElBgColor_(),this.createElWinColor_()].join("")})},_proto.createElFont_=function(){return createEl("div",{className:"vjs-track-settings-font",innerHTML:['<fieldset class="vjs-font-percent vjs-track-setting">',this.createElSelect_("fontPercent","","legend"),"</fieldset>",'<fieldset class="vjs-edge-style vjs-track-setting">',this.createElSelect_("edgeStyle","","legend"),"</fieldset>",'<fieldset class="vjs-font-family vjs-track-setting">',this.createElSelect_("fontFamily","","legend"),"</fieldset>"].join("")})},_proto.createElControls_=function(){var defaultsDescription=this.localize("restore all settings to the default values");return createEl("div",{className:"vjs-track-settings-controls",innerHTML:['<button type="button" class="vjs-default-button" title="'+defaultsDescription+'">',this.localize("Reset"),'<span class="vjs-control-text"> '+defaultsDescription+"</span>","</button>",'<button type="button" class="vjs-done-button">'+this.localize("Done")+"</button>"].join("")})},_proto.content=function(){return[this.createElColors_(),this.createElFont_(),this.createElControls_()]},_proto.label=function(){return this.localize("Caption Settings Dialog")},_proto.description=function(){return this.localize("Beginning of dialog window. Escape will cancel and close the window.")},_proto.buildCSSClass=function(){return _ModalDialog.prototype.buildCSSClass.call(this)+" vjs-text-track-settings"},_proto.getValues=function(){var object,fn,initial,_this3=this;return fn=function(accum,config,key){var el,parser,value=(el=_this3.$(config.selector),parser=config.parser,parseOptionValue(el.options[el.options.selectedIndex].value,parser));return void 0!==value&&(accum[key]=value),accum},void 0===(initial={})&&(initial=0),keys(object=selectConfigs).reduce((function(accum,key){return fn(accum,object[key],key)}),initial)},_proto.setValues=function(values){var _this4=this;each(selectConfigs,(function(config,key){!function(el,value,parser){if(value)for(var i=0;i<el.options.length;i++)if(parseOptionValue(el.options[i].value,parser)===value){el.selectedIndex=i;break}}(_this4.$(config.selector),values[key],config.parser)}))},_proto.setDefaults=function(){var _this5=this;each(selectConfigs,(function(config){var index=config.hasOwnProperty("default")?config.default:0;_this5.$(config.selector).selectedIndex=index}))},_proto.restoreSettings=function(){var values;try{values=JSON.parse(window$3.localStorage.getItem("vjs-text-track-settings"))}catch(err){log.warn(err)}values&&this.setValues(values)},_proto.saveSettings=function(){if(this.options_.persistTextTrackSettings){var values=this.getValues();try{Object.keys(values).length?window$3.localStorage.setItem("vjs-text-track-settings",JSON.stringify(values)):window$3.localStorage.removeItem("vjs-text-track-settings")}catch(err){log.warn(err)}}},_proto.updateDisplay=function(){var ttDisplay=this.player_.getChild("textTrackDisplay");ttDisplay&&ttDisplay.updateDisplay()},_proto.conditionalBlur_=function(){this.previouslyActiveEl_=null;var cb=this.player_.controlBar,subsCapsBtn=cb&&cb.subsCapsButton,ccBtn=cb&&cb.captionsButton;subsCapsBtn?subsCapsBtn.focus():ccBtn&&ccBtn.focus()},TextTrackSettings}(ModalDialog);Component.registerComponent("TextTrackSettings",TextTrackSettings);var ResizeManager=function(_Component){function ResizeManager(player,options){var _this,RESIZE_OBSERVER_AVAILABLE=options.ResizeObserver||window$3.ResizeObserver;null===options.ResizeObserver&&(RESIZE_OBSERVER_AVAILABLE=!1);var options_=mergeOptions({createEl:!RESIZE_OBSERVER_AVAILABLE,reportTouchActivity:!1},options);return(_this=_Component.call(this,player,options_)||this).ResizeObserver=options.ResizeObserver||window$3.ResizeObserver,_this.loadListener_=null,_this.resizeObserver_=null,_this.debouncedHandler_=function(func,wait,immediate,context){var timeout;void 0===context&&(context=window$3);var debounced=function(){var self=this,args=arguments,_later=function(){timeout=null,_later=null,immediate||func.apply(self,args)};!timeout&&immediate&&func.apply(self,args),context.clearTimeout(timeout),timeout=context.setTimeout(_later,wait)};return debounced.cancel=function(){context.clearTimeout(timeout),timeout=null},debounced}((function(){_this.resizeHandler()}),100,!1,assertThisInitialized(_this)),RESIZE_OBSERVER_AVAILABLE?(_this.resizeObserver_=new _this.ResizeObserver(_this.debouncedHandler_),_this.resizeObserver_.observe(player.el())):(_this.loadListener_=function(){if(_this.el_&&_this.el_.contentWindow){var debouncedHandler_=_this.debouncedHandler_,unloadListener_=_this.unloadListener_=function(){off(this,"resize",debouncedHandler_),off(this,"unload",unloadListener_),unloadListener_=null};on(_this.el_.contentWindow,"unload",unloadListener_),on(_this.el_.contentWindow,"resize",debouncedHandler_)}},_this.one("load",_this.loadListener_)),_this}inheritsLoose(ResizeManager,_Component);var _proto=ResizeManager.prototype;return _proto.createEl=function(){return _Component.prototype.createEl.call(this,"iframe",{className:"vjs-resize-manager",tabIndex:-1},{"aria-hidden":"true"})},_proto.resizeHandler=function(){this.player_&&this.player_.trigger&&this.player_.trigger("playerresize")},_proto.dispose=function(){this.debouncedHandler_&&this.debouncedHandler_.cancel(),this.resizeObserver_&&(this.player_.el()&&this.resizeObserver_.unobserve(this.player_.el()),this.resizeObserver_.disconnect()),this.loadListener_&&this.off("load",this.loadListener_),this.el_&&this.el_.contentWindow&&this.unloadListener_&&this.unloadListener_.call(this.el_.contentWindow),this.ResizeObserver=null,this.resizeObserver=null,this.debouncedHandler_=null,this.loadListener_=null,_Component.prototype.dispose.call(this)},ResizeManager}(Component);Component.registerComponent("ResizeManager",ResizeManager);var defaults={trackingThreshold:30},LiveTracker=function(_Component){function LiveTracker(player,options){var _this,options_=mergeOptions(defaults,options,{createEl:!1});return(_this=_Component.call(this,player,options_)||this).reset_(),_this.on(_this.player_,"durationchange",_this.handleDurationchange),IE_VERSION&&"hidden"in document&&"visibilityState"in document&&_this.on(document,"visibilitychange",_this.handleVisibilityChange),_this}inheritsLoose(LiveTracker,_Component);var _proto=LiveTracker.prototype;return _proto.handleVisibilityChange=function(){this.player_.duration()===1/0&&(document.hidden?this.stopTracking():this.startTracking())},_proto.isBehind_=function(){if(!this.timeupdateSeen_)return!1;var liveCurrentTime=this.liveCurrentTime(),currentTime=this.player_.currentTime(),liveEdgeWindow=2*this.seekableIncrement_+.07;return liveCurrentTime!==1/0&&liveCurrentTime-liveEdgeWindow>=currentTime},_proto.trackLive_=function(){this.pastSeekEnd_=this.pastSeekEnd_;var seekable=this.player_.seekable();if(seekable&&seekable.length){var arr,mid,sortedList,newSeekEnd=this.seekableEnd();newSeekEnd!==this.lastSeekEnd_&&(this.lastSeekEnd_&&(this.seekableIncrementList_=this.seekableIncrementList_.slice(-11),this.seekableIncrementList_.push(Math.abs(newSeekEnd-this.lastSeekEnd_)),this.seekableIncrementList_.length>3&&(this.seekableIncrement_=(arr=this.seekableIncrementList_,mid=Math.floor(arr.length/2),sortedList=[].concat(arr).sort((function(a,b){return a-b})),arr.length%2!=0?sortedList[mid]:(sortedList[mid-1]+sortedList[mid])/2))),this.pastSeekEnd_=0,this.lastSeekEnd_=newSeekEnd,this.trigger("seekableendchange")),this.pastSeekEnd()>1.5*this.seekableIncrement_?this.pastSeekEnd_=0:this.pastSeekEnd_=this.pastSeekEnd()+.03,this.isBehind_()!==this.behindLiveEdge()&&(this.behindLiveEdge_=this.isBehind_(),this.trigger("liveedgechange"))}},_proto.handleDurationchange=function(){this.player_.duration()===1/0&&this.liveWindow()>=this.options_.trackingThreshold?(this.player_.options_.liveui&&this.player_.addClass("vjs-liveui"),this.startTracking()):(this.player_.removeClass("vjs-liveui"),this.stopTracking())},_proto.startTracking=function(){var _this2=this;this.isTracking()||(this.timeupdateSeen_||(this.timeupdateSeen_=this.player_.hasStarted()),this.trackingInterval_=this.setInterval(this.trackLive_,30),this.trackLive_(),this.on(this.player_,"play",this.trackLive_),this.on(this.player_,"pause",this.trackLive_),this.timeupdateSeen_||(this.one(this.player_,"play",this.handlePlay),this.handleTimeupdate=function(){_this2.timeupdateSeen_=!0,_this2.handleTimeupdate=null},this.one(this.player_,"timeupdate",this.handleTimeupdate)))},_proto.handlePlay=function(){this.one(this.player_,"timeupdate",this.seekToLiveEdge)},_proto.reset_=function(){this.pastSeekEnd_=0,this.lastSeekEnd_=null,this.behindLiveEdge_=null,this.timeupdateSeen_=!1,this.clearInterval(this.trackingInterval_),this.trackingInterval_=null,this.seekableIncrement_=12,this.seekableIncrementList_=[],this.off(this.player_,"play",this.trackLive_),this.off(this.player_,"pause",this.trackLive_),this.off(this.player_,"play",this.handlePlay),this.off(this.player_,"timeupdate",this.seekToLiveEdge),this.handleTimeupdate&&(this.off(this.player_,"timeupdate",this.handleTimeupdate),this.handleTimeupdate=null)},_proto.stopTracking=function(){this.isTracking()&&this.reset_()},_proto.seekableEnd=function(){for(var seekable=this.player_.seekable(),seekableEnds=[],i=seekable?seekable.length:0;i--;)seekableEnds.push(seekable.end(i));return seekableEnds.length?seekableEnds.sort()[seekableEnds.length-1]:1/0},_proto.seekableStart=function(){for(var seekable=this.player_.seekable(),seekableStarts=[],i=seekable?seekable.length:0;i--;)seekableStarts.push(seekable.start(i));return seekableStarts.length?seekableStarts.sort()[0]:0},_proto.liveWindow=function(){var liveCurrentTime=this.liveCurrentTime();return liveCurrentTime===1/0?1/0:liveCurrentTime-this.seekableStart()},_proto.isLive=function(){return this.isTracking()},_proto.atLiveEdge=function(){return!this.behindLiveEdge()},_proto.liveCurrentTime=function(){return this.pastSeekEnd()+this.seekableEnd()},_proto.pastSeekEnd=function(){return this.pastSeekEnd_},_proto.behindLiveEdge=function(){return this.behindLiveEdge_},_proto.isTracking=function(){return"number"==typeof this.trackingInterval_},_proto.seekToLiveEdge=function(){this.atLiveEdge()||(this.player_.currentTime(this.liveCurrentTime()),this.player_.paused()&&this.player_.play())},_proto.dispose=function(){this.stopTracking(),_Component.prototype.dispose.call(this)},LiveTracker}(Component);Component.registerComponent("LiveTracker",LiveTracker);var canPlayType,sourcesetLoad=function(tech){var el=tech.el();if(el.hasAttribute("src"))return tech.triggerSourceset(el.src),!0;var sources=tech.$$("source"),srcUrls=[],src="";if(!sources.length)return!1;for(var i=0;i<sources.length;i++){var url=sources[i].src;url&&-1===srcUrls.indexOf(url)&&srcUrls.push(url)}return!!srcUrls.length&&(1===srcUrls.length&&(src=srcUrls[0]),tech.triggerSourceset(src),!0)},innerHTMLDescriptorPolyfill=Object.defineProperty({},"innerHTML",{get:function(){return this.cloneNode(!0).innerHTML},set:function(v){var dummy=document.createElement(this.nodeName.toLowerCase());dummy.innerHTML=v;for(var docFrag=document.createDocumentFragment();dummy.childNodes.length;)docFrag.appendChild(dummy.childNodes[0]);return this.innerText="",window$3.Element.prototype.appendChild.call(this,docFrag),this.innerHTML}}),getDescriptor=function(priority,prop){for(var descriptor={},i=0;i<priority.length&&!((descriptor=Object.getOwnPropertyDescriptor(priority[i],prop))&&descriptor.set&&descriptor.get);i++);return descriptor.enumerable=!0,descriptor.configurable=!0,descriptor},firstSourceWatch=function(tech){var el=tech.el();if(!el.resetSourceWatch_){var old={},innerDescriptor=function(tech){return getDescriptor([tech.el(),window$3.HTMLMediaElement.prototype,window$3.Element.prototype,innerHTMLDescriptorPolyfill],"innerHTML")}(tech),appendWrapper=function(appendFn){return function(){for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];var retval=appendFn.apply(el,args);return sourcesetLoad(tech),retval}};["append","appendChild","insertAdjacentHTML"].forEach((function(k){el[k]&&(old[k]=el[k],el[k]=appendWrapper(old[k]))})),Object.defineProperty(el,"innerHTML",mergeOptions(innerDescriptor,{set:appendWrapper(innerDescriptor.set)})),el.resetSourceWatch_=function(){el.resetSourceWatch_=null,Object.keys(old).forEach((function(k){el[k]=old[k]})),Object.defineProperty(el,"innerHTML",innerDescriptor)},tech.one("sourceset",el.resetSourceWatch_)}},srcDescriptorPolyfill=Object.defineProperty({},"src",{get:function(){return this.hasAttribute("src")?getAbsoluteURL(window$3.Element.prototype.getAttribute.call(this,"src")):""},set:function(v){return window$3.Element.prototype.setAttribute.call(this,"src",v),v}}),setupSourceset=function(tech){if(tech.featuresSourceset){var el=tech.el();if(!el.resetSourceset_){var srcDescriptor=function(tech){return getDescriptor([tech.el(),window$3.HTMLMediaElement.prototype,srcDescriptorPolyfill],"src")}(tech),oldSetAttribute=el.setAttribute,oldLoad=el.load;Object.defineProperty(el,"src",mergeOptions(srcDescriptor,{set:function(v){var retval=srcDescriptor.set.call(el,v);return tech.triggerSourceset(el.src),retval}})),el.setAttribute=function(n,v){var retval=oldSetAttribute.call(el,n,v);return/src/i.test(n)&&tech.triggerSourceset(el.src),retval},el.load=function(){var retval=oldLoad.call(el);return sourcesetLoad(tech)||(tech.triggerSourceset(""),firstSourceWatch(tech)),retval},el.currentSrc?tech.triggerSourceset(el.currentSrc):sourcesetLoad(tech)||firstSourceWatch(tech),el.resetSourceset_=function(){el.resetSourceset_=null,el.load=oldLoad,el.setAttribute=oldSetAttribute,Object.defineProperty(el,"src",srcDescriptor),el.resetSourceWatch_&&el.resetSourceWatch_()}}}},defineLazyProperty=function(obj,key,getValue,setter){void 0===setter&&(setter=!0);var set=function(value){return Object.defineProperty(obj,key,{value:value,enumerable:!0,writable:!0})},options={configurable:!0,enumerable:!0,get:function(){var value=getValue();return set(value),value}};return setter&&(options.set=set),Object.defineProperty(obj,key,options)},Html5=function(_Tech){function Html5(options,ready){var _this;_this=_Tech.call(this,options,ready)||this;var source=options.source,crossoriginTracks=!1;if(source&&(_this.el_.currentSrc!==source.src||options.tag&&3===options.tag.initNetworkState_)?_this.setSource(source):_this.handleLateInit_(_this.el_),options.enableSourceset&&_this.setupSourcesetHandling_(),_this.el_.hasChildNodes()){for(var nodes=_this.el_.childNodes,nodesLength=nodes.length,removeNodes=[];nodesLength--;){var node=nodes[nodesLength];"track"===node.nodeName.toLowerCase()&&(_this.featuresNativeTextTracks?(_this.remoteTextTrackEls().addTrackElement_(node),_this.remoteTextTracks().addTrack(node.track),_this.textTracks().addTrack(node.track),crossoriginTracks||_this.el_.hasAttribute("crossorigin")||!isCrossOrigin(node.src)||(crossoriginTracks=!0)):removeNodes.push(node))}for(var i=0;i<removeNodes.length;i++)_this.el_.removeChild(removeNodes[i])}return _this.proxyNativeTracks_(),_this.featuresNativeTextTracks&&crossoriginTracks&&log.warn("Text Tracks are being loaded from another origin but the crossorigin attribute isn't used.\nThis may prevent text tracks from loading."),_this.restoreMetadataTracksInIOSNativePlayer_(),(TOUCH_ENABLED||IS_IPHONE||IS_NATIVE_ANDROID)&&!0===options.nativeControlsForTouch&&_this.setControls(!0),_this.proxyWebkitFullscreen_(),_this.triggerReady(),_this}inheritsLoose(Html5,_Tech);var _proto=Html5.prototype;return _proto.dispose=function(){this.el_&&this.el_.resetSourceset_&&this.el_.resetSourceset_(),Html5.disposeMediaElement(this.el_),this.options_=null,_Tech.prototype.dispose.call(this)},_proto.setupSourcesetHandling_=function(){setupSourceset(this)},_proto.restoreMetadataTracksInIOSNativePlayer_=function(){var metadataTracksPreFullscreenState,textTracks=this.textTracks(),takeMetadataTrackSnapshot=function(){metadataTracksPreFullscreenState=[];for(var i=0;i<textTracks.length;i++){var track=textTracks[i];"metadata"===track.kind&&metadataTracksPreFullscreenState.push({track:track,storedMode:track.mode})}};takeMetadataTrackSnapshot(),textTracks.addEventListener("change",takeMetadataTrackSnapshot),this.on("dispose",(function(){return textTracks.removeEventListener("change",takeMetadataTrackSnapshot)}));var restoreTrackMode=function restoreTrackMode(){for(var i=0;i<metadataTracksPreFullscreenState.length;i++){var storedTrack=metadataTracksPreFullscreenState[i];"disabled"===storedTrack.track.mode&&storedTrack.track.mode!==storedTrack.storedMode&&(storedTrack.track.mode=storedTrack.storedMode)}textTracks.removeEventListener("change",restoreTrackMode)};this.on("webkitbeginfullscreen",(function(){textTracks.removeEventListener("change",takeMetadataTrackSnapshot),textTracks.removeEventListener("change",restoreTrackMode),textTracks.addEventListener("change",restoreTrackMode)})),this.on("webkitendfullscreen",(function(){textTracks.removeEventListener("change",takeMetadataTrackSnapshot),textTracks.addEventListener("change",takeMetadataTrackSnapshot),textTracks.removeEventListener("change",restoreTrackMode)}))},_proto.overrideNative_=function(type,override){var _this2=this;if(override===this["featuresNative"+type+"Tracks"]){var lowerCaseType=type.toLowerCase();this[lowerCaseType+"TracksListeners_"]&&Object.keys(this[lowerCaseType+"TracksListeners_"]).forEach((function(eventName){_this2.el()[lowerCaseType+"Tracks"].removeEventListener(eventName,_this2[lowerCaseType+"TracksListeners_"][eventName])})),this["featuresNative"+type+"Tracks"]=!override,this[lowerCaseType+"TracksListeners_"]=null,this.proxyNativeTracksForType_(lowerCaseType)}},_proto.overrideNativeAudioTracks=function(override){this.overrideNative_("Audio",override)},_proto.overrideNativeVideoTracks=function(override){this.overrideNative_("Video",override)},_proto.proxyNativeTracksForType_=function(name){var _this3=this,props=NORMAL[name],elTracks=this.el()[props.getterName],techTracks=this[props.getterName]();if(this["featuresNative"+props.capitalName+"Tracks"]&&elTracks&&elTracks.addEventListener){var listeners={change:function(e){var event={type:"change",target:techTracks,currentTarget:techTracks,srcElement:techTracks};techTracks.trigger(event),"text"===name&&_this3[REMOTE.remoteText.getterName]().trigger(event)},addtrack:function(e){techTracks.addTrack(e.track)},removetrack:function(e){techTracks.removeTrack(e.track)}},removeOldTracks=function(){for(var removeTracks=[],i=0;i<techTracks.length;i++){for(var found=!1,j=0;j<elTracks.length;j++)if(elTracks[j]===techTracks[i]){found=!0;break}found||removeTracks.push(techTracks[i])}for(;removeTracks.length;)techTracks.removeTrack(removeTracks.shift())};this[props.getterName+"Listeners_"]=listeners,Object.keys(listeners).forEach((function(eventName){var listener=listeners[eventName];elTracks.addEventListener(eventName,listener),_this3.on("dispose",(function(e){return elTracks.removeEventListener(eventName,listener)}))})),this.on("loadstart",removeOldTracks),this.on("dispose",(function(e){return _this3.off("loadstart",removeOldTracks)}))}},_proto.proxyNativeTracks_=function(){var _this4=this;NORMAL.names.forEach((function(name){_this4.proxyNativeTracksForType_(name)}))},_proto.createEl=function(){var el=this.options_.tag;if(!el||!this.options_.playerElIngest&&!this.movingMediaElementInDOM){if(el){var clone=el.cloneNode(!0);el.parentNode&&el.parentNode.insertBefore(clone,el),Html5.disposeMediaElement(el),el=clone}else{el=document.createElement("video");var attributes=mergeOptions({},this.options_.tag&&getAttributes(this.options_.tag));TOUCH_ENABLED&&!0===this.options_.nativeControlsForTouch||delete attributes.controls,setAttributes(el,assign(attributes,{id:this.options_.techId,class:"vjs-tech"}))}el.playerId=this.options_.playerId}void 0!==this.options_.preload&&setAttribute(el,"preload",this.options_.preload);for(var settingsAttrs=["loop","muted","playsinline","autoplay"],i=0;i<settingsAttrs.length;i++){var attr=settingsAttrs[i],value=this.options_[attr];void 0!==value&&(value?setAttribute(el,attr,attr):removeAttribute(el,attr),el[attr]=value)}return el},_proto.handleLateInit_=function(el){if(0!==el.networkState&&3!==el.networkState){if(0===el.readyState){var loadstartFired=!1,setLoadstartFired=function(){loadstartFired=!0};this.on("loadstart",setLoadstartFired);var triggerLoadstart=function(){loadstartFired||this.trigger("loadstart")};return this.on("loadedmetadata",triggerLoadstart),void this.ready((function(){this.off("loadstart",setLoadstartFired),this.off("loadedmetadata",triggerLoadstart),loadstartFired||this.trigger("loadstart")}))}var eventsToTrigger=["loadstart"];eventsToTrigger.push("loadedmetadata"),el.readyState>=2&&eventsToTrigger.push("loadeddata"),el.readyState>=3&&eventsToTrigger.push("canplay"),el.readyState>=4&&eventsToTrigger.push("canplaythrough"),this.ready((function(){eventsToTrigger.forEach((function(type){this.trigger(type)}),this)}))}},_proto.setCurrentTime=function(seconds){try{this.el_.currentTime=seconds}catch(e){log(e,"Video is not ready. (Video.js)")}},_proto.duration=function(){var _this5=this;return this.el_.duration===1/0&&IS_ANDROID&&IS_CHROME&&0===this.el_.currentTime?(this.on("timeupdate",(function checkProgress(){_this5.el_.currentTime>0&&(_this5.el_.duration===1/0&&_this5.trigger("durationchange"),_this5.off("timeupdate",checkProgress))})),NaN):this.el_.duration||NaN},_proto.width=function(){return this.el_.offsetWidth},_proto.height=function(){return this.el_.offsetHeight},_proto.proxyWebkitFullscreen_=function(){var _this6=this;if("webkitDisplayingFullscreen"in this.el_){var endFn=function(){this.trigger("fullscreenchange",{isFullscreen:!1})},beginFn=function(){"webkitPresentationMode"in this.el_&&"picture-in-picture"!==this.el_.webkitPresentationMode&&(this.one("webkitendfullscreen",endFn),this.trigger("fullscreenchange",{isFullscreen:!0}))};this.on("webkitbeginfullscreen",beginFn),this.on("dispose",(function(){_this6.off("webkitbeginfullscreen",beginFn),_this6.off("webkitendfullscreen",endFn)}))}},_proto.supportsFullScreen=function(){if("function"==typeof this.el_.webkitEnterFullScreen){var userAgent=window$3.navigator&&window$3.navigator.userAgent||"";if(/Android/.test(userAgent)||!/Chrome|Mac OS X 10.5/.test(userAgent))return!0}return!1},_proto.enterFullScreen=function(){var video=this.el_;video.paused&&video.networkState<=video.HAVE_METADATA?(this.el_.play(),this.setTimeout((function(){video.pause(),video.webkitEnterFullScreen()}),0)):video.webkitEnterFullScreen()},_proto.exitFullScreen=function(){this.el_.webkitExitFullScreen()},_proto.requestPictureInPicture=function(){return this.el_.requestPictureInPicture()},_proto.src=function(_src){if(void 0===_src)return this.el_.src;this.setSrc(_src)},_proto.reset=function(){Html5.resetMediaElement(this.el_)},_proto.currentSrc=function(){return this.currentSource_?this.currentSource_.src:this.el_.currentSrc},_proto.setControls=function(val){this.el_.controls=!!val},_proto.addTextTrack=function(kind,label,language){return this.featuresNativeTextTracks?this.el_.addTextTrack(kind,label,language):_Tech.prototype.addTextTrack.call(this,kind,label,language)},_proto.createRemoteTextTrack=function(options){if(!this.featuresNativeTextTracks)return _Tech.prototype.createRemoteTextTrack.call(this,options);var htmlTrackElement=document.createElement("track");return options.kind&&(htmlTrackElement.kind=options.kind),options.label&&(htmlTrackElement.label=options.label),(options.language||options.srclang)&&(htmlTrackElement.srclang=options.language||options.srclang),options.default&&(htmlTrackElement.default=options.default),options.id&&(htmlTrackElement.id=options.id),options.src&&(htmlTrackElement.src=options.src),htmlTrackElement},_proto.addRemoteTextTrack=function(options,manualCleanup){var htmlTrackElement=_Tech.prototype.addRemoteTextTrack.call(this,options,manualCleanup);return this.featuresNativeTextTracks&&this.el().appendChild(htmlTrackElement),htmlTrackElement},_proto.removeRemoteTextTrack=function(track){if(_Tech.prototype.removeRemoteTextTrack.call(this,track),this.featuresNativeTextTracks)for(var tracks=this.$$("track"),i=tracks.length;i--;)track!==tracks[i]&&track!==tracks[i].track||this.el().removeChild(tracks[i])},_proto.getVideoPlaybackQuality=function(){if("function"==typeof this.el().getVideoPlaybackQuality)return this.el().getVideoPlaybackQuality();var videoPlaybackQuality={};return void 0!==this.el().webkitDroppedFrameCount&&void 0!==this.el().webkitDecodedFrameCount&&(videoPlaybackQuality.droppedVideoFrames=this.el().webkitDroppedFrameCount,videoPlaybackQuality.totalVideoFrames=this.el().webkitDecodedFrameCount),window$3.performance&&"function"==typeof window$3.performance.now?videoPlaybackQuality.creationTime=window$3.performance.now():window$3.performance&&window$3.performance.timing&&"number"==typeof window$3.performance.timing.navigationStart&&(videoPlaybackQuality.creationTime=window$3.Date.now()-window$3.performance.timing.navigationStart),videoPlaybackQuality},Html5}(Tech);defineLazyProperty(Html5,"TEST_VID",(function(){if(isReal()){var video=document.createElement("video"),track=document.createElement("track");return track.kind="captions",track.srclang="en",track.label="English",video.appendChild(track),video}})),Html5.isSupported=function(){try{Html5.TEST_VID.volume=.5}catch(e){return!1}return!(!Html5.TEST_VID||!Html5.TEST_VID.canPlayType)},Html5.canPlayType=function(type){return Html5.TEST_VID.canPlayType(type)},Html5.canPlaySource=function(srcObj,options){return Html5.canPlayType(srcObj.type)},Html5.canControlVolume=function(){try{var volume=Html5.TEST_VID.volume;return Html5.TEST_VID.volume=volume/2+.1,volume!==Html5.TEST_VID.volume}catch(e){return!1}},Html5.canMuteVolume=function(){try{var muted=Html5.TEST_VID.muted;return Html5.TEST_VID.muted=!muted,Html5.TEST_VID.muted?setAttribute(Html5.TEST_VID,"muted","muted"):removeAttribute(Html5.TEST_VID,"muted"),muted!==Html5.TEST_VID.muted}catch(e){return!1}},Html5.canControlPlaybackRate=function(){if(IS_ANDROID&&IS_CHROME&&CHROME_VERSION<58)return!1;try{var playbackRate=Html5.TEST_VID.playbackRate;return Html5.TEST_VID.playbackRate=playbackRate/2+.1,playbackRate!==Html5.TEST_VID.playbackRate}catch(e){return!1}},Html5.canOverrideAttributes=function(){try{var noop=function(){};Object.defineProperty(document.createElement("video"),"src",{get:noop,set:noop}),Object.defineProperty(document.createElement("audio"),"src",{get:noop,set:noop}),Object.defineProperty(document.createElement("video"),"innerHTML",{get:noop,set:noop}),Object.defineProperty(document.createElement("audio"),"innerHTML",{get:noop,set:noop})}catch(e){return!1}return!0},Html5.supportsNativeTextTracks=function(){return IS_ANY_SAFARI||IS_IOS&&IS_CHROME},Html5.supportsNativeVideoTracks=function(){return!(!Html5.TEST_VID||!Html5.TEST_VID.videoTracks)},Html5.supportsNativeAudioTracks=function(){return!(!Html5.TEST_VID||!Html5.TEST_VID.audioTracks)},Html5.Events=["loadstart","suspend","abort","error","emptied","stalled","loadedmetadata","loadeddata","canplay","canplaythrough","playing","waiting","seeking","seeked","ended","durationchange","timeupdate","progress","play","pause","ratechange","resize","volumechange"],[["featuresVolumeControl","canControlVolume"],["featuresMuteControl","canMuteVolume"],["featuresPlaybackRate","canControlPlaybackRate"],["featuresSourceset","canOverrideAttributes"],["featuresNativeTextTracks","supportsNativeTextTracks"],["featuresNativeVideoTracks","supportsNativeVideoTracks"],["featuresNativeAudioTracks","supportsNativeAudioTracks"]].forEach((function(_ref){var key=_ref[0],fn=_ref[1];defineLazyProperty(Html5.prototype,key,(function(){return Html5[fn]()}),!0)})),Html5.prototype.movingMediaElementInDOM=!IS_IOS,Html5.prototype.featuresFullscreenResize=!0,Html5.prototype.featuresProgressEvents=!0,Html5.prototype.featuresTimeupdateEvents=!0,Html5.patchCanPlayType=function(){ANDROID_VERSION>=4&&!IS_FIREFOX&&!IS_CHROME&&(canPlayType=Html5.TEST_VID&&Html5.TEST_VID.constructor.prototype.canPlayType,Html5.TEST_VID.constructor.prototype.canPlayType=function(type){return type&&/^application\/(?:x-|vnd\.apple\.)mpegurl/i.test(type)?"maybe":canPlayType.call(this,type)})},Html5.unpatchCanPlayType=function(){var r=Html5.TEST_VID.constructor.prototype.canPlayType;return canPlayType&&(Html5.TEST_VID.constructor.prototype.canPlayType=canPlayType),r},Html5.patchCanPlayType(),Html5.disposeMediaElement=function(el){if(el){for(el.parentNode&&el.parentNode.removeChild(el);el.hasChildNodes();)el.removeChild(el.firstChild);el.removeAttribute("src"),"function"==typeof el.load&&function(){try{el.load()}catch(e){}}()}},Html5.resetMediaElement=function(el){if(el){for(var sources=el.querySelectorAll("source"),i=sources.length;i--;)el.removeChild(sources[i]);el.removeAttribute("src"),"function"==typeof el.load&&function(){try{el.load()}catch(e){}}()}},["muted","defaultMuted","autoplay","controls","loop","playsinline"].forEach((function(prop){Html5.prototype[prop]=function(){return this.el_[prop]||this.el_.hasAttribute(prop)}})),["muted","defaultMuted","autoplay","loop","playsinline"].forEach((function(prop){Html5.prototype["set"+toTitleCase(prop)]=function(v){this.el_[prop]=v,v?this.el_.setAttribute(prop,prop):this.el_.removeAttribute(prop)}})),["paused","currentTime","buffered","volume","poster","preload","error","seeking","seekable","ended","playbackRate","defaultPlaybackRate","played","networkState","readyState","videoWidth","videoHeight"].forEach((function(prop){Html5.prototype[prop]=function(){return this.el_[prop]}})),["volume","src","poster","preload","playbackRate","defaultPlaybackRate"].forEach((function(prop){Html5.prototype["set"+toTitleCase(prop)]=function(v){this.el_[prop]=v}})),["pause","load","play"].forEach((function(prop){Html5.prototype[prop]=function(){return this.el_[prop]()}})),Tech.withSourceHandlers(Html5),Html5.nativeSourceHandler={},Html5.nativeSourceHandler.canPlayType=function(type){try{return Html5.TEST_VID.canPlayType(type)}catch(e){return""}},Html5.nativeSourceHandler.canHandleSource=function(source,options){if(source.type)return Html5.nativeSourceHandler.canPlayType(source.type);if(source.src){var ext=getFileExtension(source.src);return Html5.nativeSourceHandler.canPlayType("video/"+ext)}return""},Html5.nativeSourceHandler.handleSource=function(source,tech,options){tech.setSrc(source.src)},Html5.nativeSourceHandler.dispose=function(){},Html5.registerSourceHandler(Html5.nativeSourceHandler),Tech.registerTech("Html5",Html5);var TECH_EVENTS_RETRIGGER=["progress","abort","suspend","emptied","stalled","loadedmetadata","loadeddata","timeupdate","resize","volumechange","texttrackchange"],TECH_EVENTS_QUEUE={canplay:"CanPlay",canplaythrough:"CanPlayThrough",playing:"Playing",seeked:"Seeked"},BREAKPOINT_ORDER=["tiny","xsmall","small","medium","large","xlarge","huge"],BREAKPOINT_CLASSES={};BREAKPOINT_ORDER.forEach((function(k){var v="x"===k.charAt(0)?"x-"+k.substring(1):k;BREAKPOINT_CLASSES[k]="vjs-layout-"+v}));var DEFAULT_BREAKPOINTS={tiny:210,xsmall:320,small:425,medium:768,large:1440,xlarge:2560,huge:1/0},Player=function(_Component){function Player(tag,options,ready){var _this;if(tag.id=tag.id||options.id||"vjs_video_"+newGUID(),(options=assign(Player.getTagSettings(tag),options)).initChildren=!1,options.createEl=!1,options.evented=!1,options.reportTouchActivity=!1,!options.language)if("function"==typeof tag.closest){var closest=tag.closest("[lang]");closest&&closest.getAttribute&&(options.language=closest.getAttribute("lang"))}else for(var element=tag;element&&1===element.nodeType;){if(getAttributes(element).hasOwnProperty("lang")){options.language=element.getAttribute("lang");break}element=element.parentNode}if((_this=_Component.call(this,null,options,ready)||this).boundDocumentFullscreenChange_=bind(assertThisInitialized(_this),_this.documentFullscreenChange_),_this.boundFullWindowOnEscKey_=bind(assertThisInitialized(_this),_this.fullWindowOnEscKey),_this.isFullscreen_=!1,_this.log=createLogger$1(_this.id_),_this.fsApi_=FullscreenApi,_this.isPosterFromTech_=!1,_this.queuedCallbacks_=[],_this.isReady_=!1,_this.hasStarted_=!1,_this.userActive_=!1,!_this.options_||!_this.options_.techOrder||!_this.options_.techOrder.length)throw new Error("No techOrder specified. Did you overwrite videojs.options instead of just changing the properties you want to override?");if(_this.tag=tag,_this.tagAttributes=tag&&getAttributes(tag),_this.language(_this.options_.language),options.languages){var languagesToLower={};Object.getOwnPropertyNames(options.languages).forEach((function(name){languagesToLower[name.toLowerCase()]=options.languages[name]})),_this.languages_=languagesToLower}else _this.languages_=Player.prototype.options_.languages;_this.resetCache_(),_this.poster_=options.poster||"",_this.controls_=!!options.controls,tag.controls=!1,tag.removeAttribute("controls"),_this.changingSrc_=!1,_this.playCallbacks_=[],_this.playTerminatedQueue_=[],tag.hasAttribute("autoplay")?_this.autoplay(!0):_this.autoplay(_this.options_.autoplay),options.plugins&&Object.keys(options.plugins).forEach((function(name){if("function"!=typeof _this[name])throw new Error('plugin "'+name+'" does not exist')})),_this.scrubbing_=!1,_this.el_=_this.createEl(),evented(assertThisInitialized(_this),{eventBusKey:"el_"}),_this.fsApi_.requestFullscreen&&(on(document,_this.fsApi_.fullscreenchange,_this.boundDocumentFullscreenChange_),_this.on(_this.fsApi_.fullscreenchange,_this.boundDocumentFullscreenChange_)),_this.fluid_&&_this.on("playerreset",_this.updateStyleEl_);var playerOptionsCopy=mergeOptions(_this.options_);options.plugins&&Object.keys(options.plugins).forEach((function(name){_this[name](options.plugins[name])})),_this.options_.playerOptions=playerOptionsCopy,_this.middleware_=[],_this.initChildren(),_this.isAudio("audio"===tag.nodeName.toLowerCase()),_this.controls()?_this.addClass("vjs-controls-enabled"):_this.addClass("vjs-controls-disabled"),_this.el_.setAttribute("role","region"),_this.isAudio()?_this.el_.setAttribute("aria-label",_this.localize("Audio Player")):_this.el_.setAttribute("aria-label",_this.localize("Video Player")),_this.isAudio()&&_this.addClass("vjs-audio"),_this.flexNotSupported_()&&_this.addClass("vjs-no-flex"),TOUCH_ENABLED&&_this.addClass("vjs-touch-enabled"),IS_IOS||_this.addClass("vjs-workinghover"),Player.players[_this.id_]=assertThisInitialized(_this);var majorVersion="7.7.6".split(".")[0];return _this.addClass("vjs-v"+majorVersion),_this.userActive(!0),_this.reportUserActivity(),_this.one("play",_this.listenForUserActivity_),_this.on("stageclick",_this.handleStageClick_),_this.on("keydown",_this.handleKeyDown),_this.breakpoints(_this.options_.breakpoints),_this.responsive(_this.options_.responsive),_this}inheritsLoose(Player,_Component);var _proto=Player.prototype;return _proto.dispose=function(){var _this2=this;this.trigger("dispose"),this.off("dispose"),off(document,this.fsApi_.fullscreenchange,this.boundDocumentFullscreenChange_),off(document,"keydown",this.boundFullWindowOnEscKey_),this.styleEl_&&this.styleEl_.parentNode&&(this.styleEl_.parentNode.removeChild(this.styleEl_),this.styleEl_=null),Player.players[this.id_]=null,this.tag&&this.tag.player&&(this.tag.player=null),this.el_&&this.el_.player&&(this.el_.player=null),this.tech_&&(this.tech_.dispose(),this.isPosterFromTech_=!1,this.poster_=""),this.playerElIngest_&&(this.playerElIngest_=null),this.tag&&(this.tag=null),middlewareInstances[this.id()]=null,ALL.names.forEach((function(name){var props=ALL[name],list=_this2[props.getterName]();list&&list.off&&list.off()})),_Component.prototype.dispose.call(this)},_proto.createEl=function(){var el,tag=this.tag,playerElIngest=this.playerElIngest_=tag.parentNode&&tag.parentNode.hasAttribute&&tag.parentNode.hasAttribute("data-vjs-player"),divEmbed="video-js"===this.tag.tagName.toLowerCase();playerElIngest?el=this.el_=tag.parentNode:divEmbed||(el=this.el_=_Component.prototype.createEl.call(this,"div"));var attrs=getAttributes(tag);if(divEmbed){for(el=this.el_=tag,tag=this.tag=document.createElement("video");el.children.length;)tag.appendChild(el.firstChild);hasClass(el,"video-js")||addClass(el,"video-js"),el.appendChild(tag),playerElIngest=this.playerElIngest_=el,Object.keys(el).forEach((function(k){try{tag[k]=el[k]}catch(e){}}))}if(tag.setAttribute("tabindex","-1"),attrs.tabindex="-1",(IE_VERSION||IS_CHROME&&IS_WINDOWS)&&(tag.setAttribute("role","application"),attrs.role="application"),tag.removeAttribute("width"),tag.removeAttribute("height"),"width"in attrs&&delete attrs.width,"height"in attrs&&delete attrs.height,Object.getOwnPropertyNames(attrs).forEach((function(attr){divEmbed&&"class"===attr||el.setAttribute(attr,attrs[attr]),divEmbed&&tag.setAttribute(attr,attrs[attr])})),tag.playerId=tag.id,tag.id+="_html5_api",tag.className="vjs-tech",tag.player=el.player=this,this.addClass("vjs-paused"),!0!==window$3.VIDEOJS_NO_DYNAMIC_STYLE){this.styleEl_=createStyleElement("vjs-styles-dimensions");var defaultsStyleEl=$(".vjs-styles-defaults"),head=$("head");head.insertBefore(this.styleEl_,defaultsStyleEl?defaultsStyleEl.nextSibling:head.firstChild)}this.fill_=!1,this.fluid_=!1,this.width(this.options_.width),this.height(this.options_.height),this.fill(this.options_.fill),this.fluid(this.options_.fluid),this.aspectRatio(this.options_.aspectRatio);for(var links=tag.getElementsByTagName("a"),i=0;i<links.length;i++){var linkEl=links.item(i);addClass(linkEl,"vjs-hidden"),linkEl.setAttribute("hidden","hidden")}return tag.initNetworkState_=tag.networkState,tag.parentNode&&!playerElIngest&&tag.parentNode.insertBefore(el,tag),prependTo(tag,el),this.children_.unshift(tag),this.el_.setAttribute("lang",this.language_),this.el_=el,el},_proto.width=function(value){return this.dimension("width",value)},_proto.height=function(value){return this.dimension("height",value)},_proto.dimension=function(_dimension,value){var privDimension=_dimension+"_";if(void 0===value)return this[privDimension]||0;if(""===value||"auto"===value)return this[privDimension]=void 0,void this.updateStyleEl_();var parsedVal=parseFloat(value);isNaN(parsedVal)?log.error('Improper value "'+value+'" supplied for for '+_dimension):(this[privDimension]=parsedVal,this.updateStyleEl_())},_proto.fluid=function(bool){if(void 0===bool)return!!this.fluid_;var target,callback;this.fluid_=!!bool,isEvented(this)&&this.off("playerreset",this.updateStyleEl_),bool?(this.addClass("vjs-fluid"),this.fill(!1),isEvented(target=function(){this.on("playerreset",this.updateStyleEl_)})?callback():(target.eventedCallbacks||(target.eventedCallbacks=[]),target.eventedCallbacks.push(callback))):this.removeClass("vjs-fluid"),this.updateStyleEl_()},_proto.fill=function(bool){if(void 0===bool)return!!this.fill_;this.fill_=!!bool,bool?(this.addClass("vjs-fill"),this.fluid(!1)):this.removeClass("vjs-fill")},_proto.aspectRatio=function(ratio){if(void 0===ratio)return this.aspectRatio_;if(!/^\d+\:\d+$/.test(ratio))throw new Error("Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.");this.aspectRatio_=ratio,this.fluid(!0),this.updateStyleEl_()},_proto.updateStyleEl_=function(){if(!0!==window$3.VIDEOJS_NO_DYNAMIC_STYLE){var width,height,idClass,ratioParts=(void 0!==this.aspectRatio_&&"auto"!==this.aspectRatio_?this.aspectRatio_:this.videoWidth()>0?this.videoWidth()+":"+this.videoHeight():"16:9").split(":"),ratioMultiplier=ratioParts[1]/ratioParts[0];width=void 0!==this.width_?this.width_:void 0!==this.height_?this.height_/ratioMultiplier:this.videoWidth()||300,height=void 0!==this.height_?this.height_:width*ratioMultiplier,idClass=/^[^a-zA-Z]/.test(this.id())?"dimensions-"+this.id():this.id()+"-dimensions",this.addClass(idClass),setTextContent(this.styleEl_,"\n      ."+idClass+" {\n        width: "+width+"px;\n        height: "+height+"px;\n      }\n\n      ."+idClass+".vjs-fluid {\n        padding-top: "+100*ratioMultiplier+"%;\n      }\n    ")}else{var _width="number"==typeof this.width_?this.width_:this.options_.width,_height="number"==typeof this.height_?this.height_:this.options_.height,techEl=this.tech_&&this.tech_.el();techEl&&(_width>=0&&(techEl.width=_width),_height>=0&&(techEl.height=_height))}},_proto.loadTech_=function(techName,source){var _this3=this;this.tech_&&this.unloadTech_();var titleTechName=toTitleCase(techName),camelTechName=techName.charAt(0).toLowerCase()+techName.slice(1);"Html5"!==titleTechName&&this.tag&&(Tech.getTech("Html5").disposeMediaElement(this.tag),this.tag.player=null,this.tag=null),this.techName_=titleTechName,this.isReady_=!1;var techOptions={source:source,autoplay:"string"!=typeof this.autoplay()&&this.autoplay(),nativeControlsForTouch:this.options_.nativeControlsForTouch,playerId:this.id(),techId:this.id()+"_"+camelTechName+"_api",playsinline:this.options_.playsinline,preload:this.options_.preload,loop:this.options_.loop,muted:this.options_.muted,poster:this.poster(),language:this.language(),playerElIngest:this.playerElIngest_||!1,"vtt.js":this.options_["vtt.js"],canOverridePoster:!!this.options_.techCanOverridePoster,enableSourceset:this.options_.enableSourceset,Promise:this.options_.Promise};ALL.names.forEach((function(name){var props=ALL[name];techOptions[props.getterName]=_this3[props.privateName]})),assign(techOptions,this.options_[titleTechName]),assign(techOptions,this.options_[camelTechName]),assign(techOptions,this.options_[techName.toLowerCase()]),this.tag&&(techOptions.tag=this.tag),source&&source.src===this.cache_.src&&this.cache_.currentTime>0&&(techOptions.startTime=this.cache_.currentTime);var TechClass=Tech.getTech(techName);if(!TechClass)throw new Error("No Tech named '"+titleTechName+"' exists! '"+titleTechName+"' should be registered using videojs.registerTech()'");this.tech_=new TechClass(techOptions),this.tech_.ready(bind(this,this.handleTechReady_),!0),textTrackConverter_jsonToTextTracks(this.textTracksJson_||[],this.tech_),TECH_EVENTS_RETRIGGER.forEach((function(event){_this3.on(_this3.tech_,event,_this3["handleTech"+toTitleCase(event)+"_"])})),Object.keys(TECH_EVENTS_QUEUE).forEach((function(event){_this3.on(_this3.tech_,event,(function(eventObj){0===_this3.tech_.playbackRate()&&_this3.tech_.seeking()?_this3.queuedCallbacks_.push({callback:_this3["handleTech"+TECH_EVENTS_QUEUE[event]+"_"].bind(_this3),event:eventObj}):_this3["handleTech"+TECH_EVENTS_QUEUE[event]+"_"](eventObj)}))})),this.on(this.tech_,"loadstart",this.handleTechLoadStart_),this.on(this.tech_,"sourceset",this.handleTechSourceset_),this.on(this.tech_,"waiting",this.handleTechWaiting_),this.on(this.tech_,"ended",this.handleTechEnded_),this.on(this.tech_,"seeking",this.handleTechSeeking_),this.on(this.tech_,"play",this.handleTechPlay_),this.on(this.tech_,"firstplay",this.handleTechFirstPlay_),this.on(this.tech_,"pause",this.handleTechPause_),this.on(this.tech_,"durationchange",this.handleTechDurationChange_),this.on(this.tech_,"fullscreenchange",this.handleTechFullscreenChange_),this.on(this.tech_,"enterpictureinpicture",this.handleTechEnterPictureInPicture_),this.on(this.tech_,"leavepictureinpicture",this.handleTechLeavePictureInPicture_),this.on(this.tech_,"error",this.handleTechError_),this.on(this.tech_,"loadedmetadata",this.updateStyleEl_),this.on(this.tech_,"posterchange",this.handleTechPosterChange_),this.on(this.tech_,"textdata",this.handleTechTextData_),this.on(this.tech_,"ratechange",this.handleTechRateChange_),this.usingNativeControls(this.techGet_("controls")),this.controls()&&!this.usingNativeControls()&&this.addTechControlsListeners_(),this.tech_.el().parentNode===this.el()||"Html5"===titleTechName&&this.tag||prependTo(this.tech_.el(),this.el()),this.tag&&(this.tag.player=null,this.tag=null)},_proto.unloadTech_=function(){var _this4=this;ALL.names.forEach((function(name){var props=ALL[name];_this4[props.privateName]=_this4[props.getterName]()})),this.textTracksJson_=textTrackConverter_textTracksToJson(this.tech_),this.isReady_=!1,this.tech_.dispose(),this.tech_=!1,this.isPosterFromTech_&&(this.poster_="",this.trigger("posterchange")),this.isPosterFromTech_=!1},_proto.tech=function(safety){return void 0===safety&&log.warn("Using the tech directly can be dangerous. I hope you know what you're doing.\nSee https://github.com/videojs/video.js/issues/2617 for more info.\n"),this.tech_},_proto.addTechControlsListeners_=function(){this.removeTechControlsListeners_(),this.on(this.tech_,"mouseup",this.handleTechClick_),this.on(this.tech_,"dblclick",this.handleTechDoubleClick_),this.on(this.tech_,"touchstart",this.handleTechTouchStart_),this.on(this.tech_,"touchmove",this.handleTechTouchMove_),this.on(this.tech_,"touchend",this.handleTechTouchEnd_),this.on(this.tech_,"tap",this.handleTechTap_)},_proto.removeTechControlsListeners_=function(){this.off(this.tech_,"tap",this.handleTechTap_),this.off(this.tech_,"touchstart",this.handleTechTouchStart_),this.off(this.tech_,"touchmove",this.handleTechTouchMove_),this.off(this.tech_,"touchend",this.handleTechTouchEnd_),this.off(this.tech_,"mouseup",this.handleTechClick_),this.off(this.tech_,"dblclick",this.handleTechDoubleClick_)},_proto.handleTechReady_=function(){this.triggerReady(),this.cache_.volume&&this.techCall_("setVolume",this.cache_.volume),this.handleTechPosterChange_(),this.handleTechDurationChange_()},_proto.handleTechLoadStart_=function(){this.removeClass("vjs-ended"),this.removeClass("vjs-seeking"),this.error(null),this.handleTechDurationChange_(),this.paused()?(this.hasStarted(!1),this.trigger("loadstart")):(this.trigger("loadstart"),this.trigger("firstplay")),this.manualAutoplay_(this.autoplay())},_proto.manualAutoplay_=function(type){var _this5=this;if(this.tech_&&"string"==typeof type){var promise,muted=function(){var previouslyMuted=_this5.muted();_this5.muted(!0);var restoreMuted=function(){_this5.muted(previouslyMuted)};_this5.playTerminatedQueue_.push(restoreMuted);var mutedPromise=_this5.play();if(isPromise(mutedPromise))return mutedPromise.catch(restoreMuted)};if("any"===type&&!0!==this.muted()?isPromise(promise=this.play())&&(promise=promise.catch(muted)):promise="muted"===type&&!0!==this.muted()?muted():this.play(),isPromise(promise))return promise.then((function(){_this5.trigger({type:"autoplay-success",autoplay:type})})).catch((function(e){_this5.trigger({type:"autoplay-failure",autoplay:type})}))}},_proto.updateSourceCaches_=function(srcObj){void 0===srcObj&&(srcObj="");var src=srcObj,type="";"string"!=typeof src&&(src=srcObj.src,type=srcObj.type),this.cache_.source=this.cache_.source||{},this.cache_.sources=this.cache_.sources||[],src&&!type&&(type=function(player,src){if(!src)return"";if(player.cache_.source.src===src&&player.cache_.source.type)return player.cache_.source.type;var matchingSources=player.cache_.sources.filter((function(s){return s.src===src}));if(matchingSources.length)return matchingSources[0].type;for(var sources=player.$$("source"),i=0;i<sources.length;i++){var s=sources[i];if(s.type&&s.src&&s.src===src)return s.type}return getMimetype(src)}(this,src)),this.cache_.source=mergeOptions({},srcObj,{src:src,type:type});for(var matchingSources=this.cache_.sources.filter((function(s){return s.src&&s.src===src})),sourceElSources=[],sourceEls=this.$$("source"),matchingSourceEls=[],i=0;i<sourceEls.length;i++){var sourceObj=getAttributes(sourceEls[i]);sourceElSources.push(sourceObj),sourceObj.src&&sourceObj.src===src&&matchingSourceEls.push(sourceObj.src)}matchingSourceEls.length&&!matchingSources.length?this.cache_.sources=sourceElSources:matchingSources.length||(this.cache_.sources=[this.cache_.source]),this.cache_.src=src},_proto.handleTechSourceset_=function(event){var _this6=this;if(!this.changingSrc_){var updateSourceCaches=function(src){return _this6.updateSourceCaches_(src)},playerSrc=this.currentSource().src,eventSrc=event.src;playerSrc&&!/^blob:/.test(playerSrc)&&/^blob:/.test(eventSrc)&&(!this.lastSource_||this.lastSource_.tech!==eventSrc&&this.lastSource_.player!==playerSrc)&&(updateSourceCaches=function(){}),updateSourceCaches(eventSrc),event.src||this.tech_.any(["sourceset","loadstart"],(function(e){if("sourceset"!==e.type){var techSrc=_this6.techGet("currentSrc");_this6.lastSource_.tech=techSrc,_this6.updateSourceCaches_(techSrc)}}))}this.lastSource_={player:this.currentSource().src,tech:event.src},this.trigger({src:event.src,type:"sourceset"})},_proto.hasStarted=function(request){if(void 0===request)return this.hasStarted_;request!==this.hasStarted_&&(this.hasStarted_=request,this.hasStarted_?(this.addClass("vjs-has-started"),this.trigger("firstplay")):this.removeClass("vjs-has-started"))},_proto.handleTechPlay_=function(){this.removeClass("vjs-ended"),this.removeClass("vjs-paused"),this.addClass("vjs-playing"),this.hasStarted(!0),this.trigger("play")},_proto.handleTechRateChange_=function(){this.tech_.playbackRate()>0&&0===this.cache_.lastPlaybackRate&&(this.queuedCallbacks_.forEach((function(queued){return queued.callback(queued.event)})),this.queuedCallbacks_=[]),this.cache_.lastPlaybackRate=this.tech_.playbackRate(),this.trigger("ratechange")},_proto.handleTechWaiting_=function(){var _this7=this;this.addClass("vjs-waiting"),this.trigger("waiting");var timeWhenWaiting=this.currentTime();this.on("timeupdate",(function timeUpdateListener(){timeWhenWaiting!==_this7.currentTime()&&(_this7.removeClass("vjs-waiting"),_this7.off("timeupdate",timeUpdateListener))}))},_proto.handleTechCanPlay_=function(){this.removeClass("vjs-waiting"),this.trigger("canplay")},_proto.handleTechCanPlayThrough_=function(){this.removeClass("vjs-waiting"),this.trigger("canplaythrough")},_proto.handleTechPlaying_=function(){this.removeClass("vjs-waiting"),this.trigger("playing")},_proto.handleTechSeeking_=function(){this.addClass("vjs-seeking"),this.trigger("seeking")},_proto.handleTechSeeked_=function(){this.removeClass("vjs-seeking"),this.removeClass("vjs-ended"),this.trigger("seeked")},_proto.handleTechFirstPlay_=function(){this.options_.starttime&&(log.warn("Passing the `starttime` option to the player will be deprecated in 6.0"),this.currentTime(this.options_.starttime)),this.addClass("vjs-has-started"),this.trigger("firstplay")},_proto.handleTechPause_=function(){this.removeClass("vjs-playing"),this.addClass("vjs-paused"),this.trigger("pause")},_proto.handleTechEnded_=function(){this.addClass("vjs-ended"),this.options_.loop?(this.currentTime(0),this.play()):this.paused()||this.pause(),this.trigger("ended")},_proto.handleTechDurationChange_=function(){this.duration(this.techGet_("duration"))},_proto.handleTechClick_=function(event){isSingleLeftClick(event)&&this.controls_&&(this.paused()?silencePromise(this.play()):this.pause())},_proto.handleTechDoubleClick_=function(event){this.controls_&&(Array.prototype.some.call(this.$$(".vjs-control-bar, .vjs-modal-dialog"),(function(el){return el.contains(event.target)}))||void 0!==this.options_&&void 0!==this.options_.userActions&&void 0!==this.options_.userActions.doubleClick&&!1===this.options_.userActions.doubleClick||(void 0!==this.options_&&void 0!==this.options_.userActions&&"function"==typeof this.options_.userActions.doubleClick?this.options_.userActions.doubleClick.call(this,event):this.isFullscreen()?this.exitFullscreen():this.requestFullscreen()))},_proto.handleTechTap_=function(){this.userActive(!this.userActive())},_proto.handleTechTouchStart_=function(){this.userWasActive=this.userActive()},_proto.handleTechTouchMove_=function(){this.userWasActive&&this.reportUserActivity()},_proto.handleTechTouchEnd_=function(event){event.preventDefault()},_proto.handleStageClick_=function(){this.reportUserActivity()},_proto.toggleFullscreenClass_=function(){this.isFullscreen()?this.addClass("vjs-fullscreen"):this.removeClass("vjs-fullscreen")},_proto.documentFullscreenChange_=function(e){var targetPlayer=e.target.player;if(!targetPlayer||targetPlayer===this){var el=this.el(),isFs=document[this.fsApi_.fullscreenElement]===el;!isFs&&el.matches?isFs=el.matches(":"+this.fsApi_.fullscreen):!isFs&&el.msMatchesSelector&&(isFs=el.msMatchesSelector(":"+this.fsApi_.fullscreen)),this.isFullscreen(isFs)}},_proto.handleTechFullscreenChange_=function(event,data){data&&this.isFullscreen(data.isFullscreen)},_proto.togglePictureInPictureClass_=function(){this.isInPictureInPicture()?this.addClass("vjs-picture-in-picture"):this.removeClass("vjs-picture-in-picture")},_proto.handleTechEnterPictureInPicture_=function(event){this.isInPictureInPicture(!0)},_proto.handleTechLeavePictureInPicture_=function(event){this.isInPictureInPicture(!1)},_proto.handleTechError_=function(){var error=this.tech_.error();this.error(error)},_proto.handleTechTextData_=function(){var data=null;arguments.length>1&&(data=arguments[1]),this.trigger("textdata",data)},_proto.getCache=function(){return this.cache_},_proto.resetCache_=function(){this.cache_={currentTime:0,inactivityTimeout:this.options_.inactivityTimeout,duration:NaN,lastVolume:1,lastPlaybackRate:this.defaultPlaybackRate(),media:null,src:"",source:{},sources:[],volume:1}},_proto.techCall_=function(method,arg){this.ready((function(){if(method in allowedSetters)return function(middleware,tech,method,arg){return tech[method](middleware.reduce(middlewareIterator(method),arg))}(this.middleware_,this.tech_,method,arg);if(method in allowedMediators)return mediate(this.middleware_,this.tech_,method,arg);try{this.tech_&&this.tech_[method](arg)}catch(e){throw log(e),e}}),!0)},_proto.techGet_=function(method){if(this.tech_&&this.tech_.isReady_){if(method in allowedGetters)return function(middleware,tech,method){return middleware.reduceRight(middlewareIterator(method),tech[method]())}(this.middleware_,this.tech_,method);if(method in allowedMediators)return mediate(this.middleware_,this.tech_,method);try{return this.tech_[method]()}catch(e){if(void 0===this.tech_[method])throw log("Video.js: "+method+" method not defined for "+this.techName_+" playback technology.",e),e;if("TypeError"===e.name)throw log("Video.js: "+method+" unavailable on "+this.techName_+" playback technology element.",e),this.tech_.isReady_=!1,e;throw log(e),e}}},_proto.play=function(){var _this8=this,PromiseClass=this.options_.Promise||window$3.Promise;return PromiseClass?new PromiseClass((function(resolve){_this8.play_(resolve)})):this.play_()},_proto.play_=function(callback){var _this9=this;void 0===callback&&(callback=silencePromise),this.playCallbacks_.push(callback);var isSrcReady=Boolean(!this.changingSrc_&&(this.src()||this.currentSrc()));if(this.waitToPlay_&&(this.off(["ready","loadstart"],this.waitToPlay_),this.waitToPlay_=null),!this.isReady_||!isSrcReady)return this.waitToPlay_=function(e){_this9.play_()},this.one(["ready","loadstart"],this.waitToPlay_),void(isSrcReady||!IS_ANY_SAFARI&&!IS_IOS||this.load());var val=this.techGet_("play");null===val?this.runPlayTerminatedQueue_():this.runPlayCallbacks_(val)},_proto.runPlayTerminatedQueue_=function(){var queue=this.playTerminatedQueue_.slice(0);this.playTerminatedQueue_=[],queue.forEach((function(q){q()}))},_proto.runPlayCallbacks_=function(val){var callbacks=this.playCallbacks_.slice(0);this.playCallbacks_=[],this.playTerminatedQueue_=[],callbacks.forEach((function(cb){cb(val)}))},_proto.pause=function(){this.techCall_("pause")},_proto.paused=function(){return!1!==this.techGet_("paused")},_proto.played=function(){return this.techGet_("played")||createTimeRanges(0,0)},_proto.scrubbing=function(isScrubbing){if(void 0===isScrubbing)return this.scrubbing_;this.scrubbing_=!!isScrubbing,isScrubbing?this.addClass("vjs-scrubbing"):this.removeClass("vjs-scrubbing")},_proto.currentTime=function(seconds){return void 0!==seconds?(seconds<0&&(seconds=0),void this.techCall_("setCurrentTime",seconds)):(this.cache_.currentTime=this.techGet_("currentTime")||0,this.cache_.currentTime)},_proto.duration=function(seconds){if(void 0===seconds)return void 0!==this.cache_.duration?this.cache_.duration:NaN;(seconds=parseFloat(seconds))<0&&(seconds=1/0),seconds!==this.cache_.duration&&(this.cache_.duration=seconds,seconds===1/0?this.addClass("vjs-live"):this.removeClass("vjs-live"),isNaN(seconds)||this.trigger("durationchange"))},_proto.remainingTime=function(){return this.duration()-this.currentTime()},_proto.remainingTimeDisplay=function(){return Math.floor(this.duration())-Math.floor(this.currentTime())},_proto.buffered=function(){var buffered=this.techGet_("buffered");return buffered&&buffered.length||(buffered=createTimeRanges(0,0)),buffered},_proto.bufferedPercent=function(){return bufferedPercent(this.buffered(),this.duration())},_proto.bufferedEnd=function(){var buffered=this.buffered(),duration=this.duration(),end=buffered.end(buffered.length-1);return end>duration&&(end=duration),end},_proto.volume=function(percentAsDecimal){var vol;return void 0!==percentAsDecimal?(vol=Math.max(0,Math.min(1,parseFloat(percentAsDecimal))),this.cache_.volume=vol,this.techCall_("setVolume",vol),void(vol>0&&this.lastVolume_(vol))):(vol=parseFloat(this.techGet_("volume")),isNaN(vol)?1:vol)},_proto.muted=function(_muted){if(void 0===_muted)return this.techGet_("muted")||!1;this.techCall_("setMuted",_muted)},_proto.defaultMuted=function(_defaultMuted){return void 0!==_defaultMuted?this.techCall_("setDefaultMuted",_defaultMuted):this.techGet_("defaultMuted")||!1},_proto.lastVolume_=function(percentAsDecimal){if(void 0===percentAsDecimal||0===percentAsDecimal)return this.cache_.lastVolume;this.cache_.lastVolume=percentAsDecimal},_proto.supportsFullScreen=function(){return this.techGet_("supportsFullScreen")||!1},_proto.isFullscreen=function(isFS){if(void 0!==isFS){var oldValue=this.isFullscreen_;return this.isFullscreen_=Boolean(isFS),this.isFullscreen_!==oldValue&&this.fsApi_.prefixed&&this.trigger("fullscreenchange"),void this.toggleFullscreenClass_()}return this.isFullscreen_},_proto.requestFullscreen=function(fullscreenOptions){var fsOptions,_this10=this;if(this.fsApi_.prefixed||(fsOptions=this.options_.fullscreen&&this.options_.fullscreen.options||{},void 0!==fullscreenOptions&&(fsOptions=fullscreenOptions)),this.fsApi_.requestFullscreen){var promise=this.el_[this.fsApi_.requestFullscreen](fsOptions);return promise&&promise.then((function(){return _this10.isFullscreen(!0)}),(function(){return _this10.isFullscreen(!1)})),promise}this.tech_.supportsFullScreen()?this.techCall_("enterFullScreen"):this.enterFullWindow()},_proto.exitFullscreen=function(){var _this11=this;if(this.fsApi_.requestFullscreen){var promise=document[this.fsApi_.exitFullscreen]();return promise&&promise.then((function(){return _this11.isFullscreen(!1)})),promise}this.tech_.supportsFullScreen()?this.techCall_("exitFullScreen"):this.exitFullWindow()},_proto.enterFullWindow=function(){this.isFullscreen(!0),this.isFullWindow=!0,this.docOrigOverflow=document.documentElement.style.overflow,on(document,"keydown",this.boundFullWindowOnEscKey_),document.documentElement.style.overflow="hidden",addClass(document.body,"vjs-full-window"),this.trigger("enterFullWindow")},_proto.fullWindowOnEscKey=function(event){keycode.isEventKey(event,"Esc")&&(!0===this.isFullscreen()?this.exitFullscreen():this.exitFullWindow())},_proto.exitFullWindow=function(){this.isFullscreen(!1),this.isFullWindow=!1,off(document,"keydown",this.boundFullWindowOnEscKey_),document.documentElement.style.overflow=this.docOrigOverflow,removeClass(document.body,"vjs-full-window"),this.trigger("exitFullWindow")},_proto.isInPictureInPicture=function(isPiP){return void 0!==isPiP?(this.isInPictureInPicture_=!!isPiP,void this.togglePictureInPictureClass_()):!!this.isInPictureInPicture_},_proto.requestPictureInPicture=function(){if("pictureInPictureEnabled"in document)return this.techGet_("requestPictureInPicture")},_proto.exitPictureInPicture=function(){if("pictureInPictureEnabled"in document)return document.exitPictureInPicture()},_proto.handleKeyDown=function(event){var el,tagName,userActions=this.options_.userActions;userActions&&userActions.hotkeys&&(el=this.el_.ownerDocument.activeElement,tagName=el.tagName.toLowerCase(),el.isContentEditable||("input"===tagName?-1===["button","checkbox","hidden","radio","reset","submit"].indexOf(el.type):-1!==["textarea"].indexOf(tagName))||("function"==typeof userActions.hotkeys?userActions.hotkeys.call(this,event):this.handleHotkeys(event)))},_proto.handleHotkeys=function(event){var hotkeys=this.options_.userActions?this.options_.userActions.hotkeys:{},_hotkeys$fullscreenKe=hotkeys.fullscreenKey,fullscreenKey=void 0===_hotkeys$fullscreenKe?function(keydownEvent){return keycode.isEventKey(keydownEvent,"f")}:_hotkeys$fullscreenKe,_hotkeys$muteKey=hotkeys.muteKey,muteKey=void 0===_hotkeys$muteKey?function(keydownEvent){return keycode.isEventKey(keydownEvent,"m")}:_hotkeys$muteKey,_hotkeys$playPauseKey=hotkeys.playPauseKey,playPauseKey=void 0===_hotkeys$playPauseKey?function(keydownEvent){return keycode.isEventKey(keydownEvent,"k")||keycode.isEventKey(keydownEvent,"Space")}:_hotkeys$playPauseKey;if(fullscreenKey.call(this,event)){event.preventDefault(),event.stopPropagation();var FSToggle=Component.getComponent("FullscreenToggle");!1!==document[this.fsApi_.fullscreenEnabled]&&FSToggle.prototype.handleClick.call(this,event)}else muteKey.call(this,event)?(event.preventDefault(),event.stopPropagation(),Component.getComponent("MuteToggle").prototype.handleClick.call(this,event)):playPauseKey.call(this,event)&&(event.preventDefault(),event.stopPropagation(),Component.getComponent("PlayToggle").prototype.handleClick.call(this,event))},_proto.canPlayType=function(type){for(var can,i=0,j=this.options_.techOrder;i<j.length;i++){var techName=j[i],tech=Tech.getTech(techName);if(tech||(tech=Component.getComponent(techName)),tech){if(tech.isSupported()&&(can=tech.canPlayType(type)))return can}else log.error('The "'+techName+'" tech is undefined. Skipped browser support check for that tech.')}return""},_proto.selectSource=function(sources){var fn,_this12=this,techs=this.options_.techOrder.map((function(techName){return[techName,Tech.getTech(techName)]})).filter((function(_ref){var techName=_ref[0],tech=_ref[1];return tech?tech.isSupported():(log.error('The "'+techName+'" tech is undefined. Skipped browser support check for that tech.'),!1)})),findFirstPassingTechSourcePair=function(outerArray,innerArray,tester){var found;return outerArray.some((function(outerChoice){return innerArray.some((function(innerChoice){if(found=tester(outerChoice,innerChoice))return!0}))})),found},finder=function(_ref2,source){var techName=_ref2[0];if(_ref2[1].canPlaySource(source,_this12.options_[techName.toLowerCase()]))return{source:source,tech:techName}};return(this.options_.sourceOrder?findFirstPassingTechSourcePair(sources,techs,(fn=finder,function(a,b){return fn(b,a)})):findFirstPassingTechSourcePair(techs,sources,finder))||!1},_proto.src=function(source){var _this13=this;if(void 0===source)return this.cache_.src||"";var sources=filterSource(source);sources.length?(this.changingSrc_=!0,this.cache_.sources=sources,this.updateSourceCaches_(sources[0]),setSource(this,sources[0],(function(middlewareSource,mws){var middleware,tech;if(_this13.middleware_=mws,_this13.cache_.sources=sources,_this13.updateSourceCaches_(middlewareSource),_this13.src_(middlewareSource))return sources.length>1?_this13.src(sources.slice(1)):(_this13.changingSrc_=!1,_this13.setTimeout((function(){this.error({code:4,message:this.localize(this.options_.notSupportedMessage)})}),0),void _this13.triggerReady());middleware=mws,tech=_this13.tech_,middleware.forEach((function(mw){return mw.setTech&&mw.setTech(tech)}))}))):this.setTimeout((function(){this.error({code:4,message:this.localize(this.options_.notSupportedMessage)})}),0)},_proto.src_=function(source){var str1,str2,_this14=this,sourceTech=this.selectSource([source]);return!sourceTech||(str1=sourceTech.tech,str2=this.techName_,toTitleCase(str1)!==toTitleCase(str2)?(this.changingSrc_=!0,this.loadTech_(sourceTech.tech,sourceTech.source),this.tech_.ready((function(){_this14.changingSrc_=!1})),!1):(this.ready((function(){this.tech_.constructor.prototype.hasOwnProperty("setSource")?this.techCall_("setSource",source):this.techCall_("src",source.src),this.changingSrc_=!1}),!0),!1))},_proto.load=function(){this.techCall_("load")},_proto.reset=function(){var _this15=this,PromiseClass=this.options_.Promise||window$3.Promise;this.paused()||!PromiseClass?this.doReset_():silencePromise(this.play().then((function(){return _this15.doReset_()})))},_proto.doReset_=function(){this.tech_&&this.tech_.clearTracks("text"),this.resetCache_(),this.poster(""),this.loadTech_(this.options_.techOrder[0],null),this.techCall_("reset"),this.resetControlBarUI_(),isEvented(this)&&this.trigger("playerreset")},_proto.resetControlBarUI_=function(){this.resetProgressBar_(),this.resetPlaybackRate_(),this.resetVolumeBar_()},_proto.resetProgressBar_=function(){this.currentTime(0);var _this$controlBar=this.controlBar,durationDisplay=_this$controlBar.durationDisplay,remainingTimeDisplay=_this$controlBar.remainingTimeDisplay;durationDisplay&&durationDisplay.updateContent(),remainingTimeDisplay&&remainingTimeDisplay.updateContent()},_proto.resetPlaybackRate_=function(){this.playbackRate(this.defaultPlaybackRate()),this.handleTechRateChange_()},_proto.resetVolumeBar_=function(){this.volume(1),this.trigger("volumechange")},_proto.currentSources=function(){var source=this.currentSource(),sources=[];return 0!==Object.keys(source).length&&sources.push(source),this.cache_.sources||sources},_proto.currentSource=function(){return this.cache_.source||{}},_proto.currentSrc=function(){return this.currentSource()&&this.currentSource().src||""},_proto.currentType=function(){return this.currentSource()&&this.currentSource().type||""},_proto.preload=function(value){return void 0!==value?(this.techCall_("setPreload",value),void(this.options_.preload=value)):this.techGet_("preload")},_proto.autoplay=function(value){if(void 0===value)return this.options_.autoplay||!1;var techAutoplay;"string"==typeof value&&/(any|play|muted)/.test(value)?(this.options_.autoplay=value,this.manualAutoplay_(value),techAutoplay=!1):this.options_.autoplay=!!value,techAutoplay=void 0===techAutoplay?this.options_.autoplay:techAutoplay,this.tech_&&this.techCall_("setAutoplay",techAutoplay)},_proto.playsinline=function(value){return void 0!==value?(this.techCall_("setPlaysinline",value),this.options_.playsinline=value,this):this.techGet_("playsinline")},_proto.loop=function(value){return void 0!==value?(this.techCall_("setLoop",value),void(this.options_.loop=value)):this.techGet_("loop")},_proto.poster=function(src){if(void 0===src)return this.poster_;src||(src=""),src!==this.poster_&&(this.poster_=src,this.techCall_("setPoster",src),this.isPosterFromTech_=!1,this.trigger("posterchange"))},_proto.handleTechPosterChange_=function(){if((!this.poster_||this.options_.techCanOverridePoster)&&this.tech_&&this.tech_.poster){var newPoster=this.tech_.poster()||"";newPoster!==this.poster_&&(this.poster_=newPoster,this.isPosterFromTech_=!0,this.trigger("posterchange"))}},_proto.controls=function(bool){if(void 0===bool)return!!this.controls_;bool=!!bool,this.controls_!==bool&&(this.controls_=bool,this.usingNativeControls()&&this.techCall_("setControls",bool),this.controls_?(this.removeClass("vjs-controls-disabled"),this.addClass("vjs-controls-enabled"),this.trigger("controlsenabled"),this.usingNativeControls()||this.addTechControlsListeners_()):(this.removeClass("vjs-controls-enabled"),this.addClass("vjs-controls-disabled"),this.trigger("controlsdisabled"),this.usingNativeControls()||this.removeTechControlsListeners_()))},_proto.usingNativeControls=function(bool){if(void 0===bool)return!!this.usingNativeControls_;bool=!!bool,this.usingNativeControls_!==bool&&(this.usingNativeControls_=bool,this.usingNativeControls_?(this.addClass("vjs-using-native-controls"),this.trigger("usingnativecontrols")):(this.removeClass("vjs-using-native-controls"),this.trigger("usingcustomcontrols")))},_proto.error=function(err){if(void 0===err)return this.error_||null;if(this.options_.suppressNotSupportedError&&err&&4===err.code){var triggerSuppressedError=function(){this.error(err)};return this.options_.suppressNotSupportedError=!1,this.any(["click","touchstart"],triggerSuppressedError),void this.one("loadstart",(function(){this.off(["click","touchstart"],triggerSuppressedError)}))}if(null===err)return this.error_=err,this.removeClass("vjs-error"),void(this.errorDisplay&&this.errorDisplay.close());this.error_=new MediaError(err),this.addClass("vjs-error"),log.error("(CODE:"+this.error_.code+" "+MediaError.errorTypes[this.error_.code]+")",this.error_.message,this.error_),this.trigger("error")},_proto.reportUserActivity=function(event){this.userActivity_=!0},_proto.userActive=function(bool){if(void 0===bool)return this.userActive_;if((bool=!!bool)!==this.userActive_){if(this.userActive_=bool,this.userActive_)return this.userActivity_=!0,this.removeClass("vjs-user-inactive"),this.addClass("vjs-user-active"),void this.trigger("useractive");this.tech_&&this.tech_.one("mousemove",(function(e){e.stopPropagation(),e.preventDefault()})),this.userActivity_=!1,this.removeClass("vjs-user-active"),this.addClass("vjs-user-inactive"),this.trigger("userinactive")}},_proto.listenForUserActivity_=function(){var mouseInProgress,lastMoveX,lastMoveY,handleActivity=bind(this,this.reportUserActivity),handleMouseUpAndMouseLeave=function(event){handleActivity(),this.clearInterval(mouseInProgress)};this.on("mousedown",(function(){handleActivity(),this.clearInterval(mouseInProgress),mouseInProgress=this.setInterval(handleActivity,250)})),this.on("mousemove",(function(e){e.screenX===lastMoveX&&e.screenY===lastMoveY||(lastMoveX=e.screenX,lastMoveY=e.screenY,handleActivity())})),this.on("mouseup",handleMouseUpAndMouseLeave),this.on("mouseleave",handleMouseUpAndMouseLeave);var inactivityTimeout,controlBar=this.getChild("controlBar");!controlBar||IS_IOS||IS_ANDROID||(controlBar.on("mouseenter",(function(event){this.player().cache_.inactivityTimeout=this.player().options_.inactivityTimeout,this.player().options_.inactivityTimeout=0})),controlBar.on("mouseleave",(function(event){this.player().options_.inactivityTimeout=this.player().cache_.inactivityTimeout}))),this.on("keydown",handleActivity),this.on("keyup",handleActivity),this.setInterval((function(){if(this.userActivity_){this.userActivity_=!1,this.userActive(!0),this.clearTimeout(inactivityTimeout);var timeout=this.options_.inactivityTimeout;timeout<=0||(inactivityTimeout=this.setTimeout((function(){this.userActivity_||this.userActive(!1)}),timeout))}}),250)},_proto.playbackRate=function(rate){if(void 0===rate)return this.tech_&&this.tech_.featuresPlaybackRate?this.cache_.lastPlaybackRate||this.techGet_("playbackRate"):1;this.techCall_("setPlaybackRate",rate)},_proto.defaultPlaybackRate=function(rate){return void 0!==rate?this.techCall_("setDefaultPlaybackRate",rate):this.tech_&&this.tech_.featuresPlaybackRate?this.techGet_("defaultPlaybackRate"):1},_proto.isAudio=function(bool){if(void 0===bool)return!!this.isAudio_;this.isAudio_=!!bool},_proto.addTextTrack=function(kind,label,language){if(this.tech_)return this.tech_.addTextTrack(kind,label,language)},_proto.addRemoteTextTrack=function(options,manualCleanup){if(this.tech_)return this.tech_.addRemoteTextTrack(options,manualCleanup)},_proto.removeRemoteTextTrack=function(obj){void 0===obj&&(obj={});var track=obj.track;if(track||(track=obj),this.tech_)return this.tech_.removeRemoteTextTrack(track)},_proto.getVideoPlaybackQuality=function(){return this.techGet_("getVideoPlaybackQuality")},_proto.videoWidth=function(){return this.tech_&&this.tech_.videoWidth&&this.tech_.videoWidth()||0},_proto.videoHeight=function(){return this.tech_&&this.tech_.videoHeight&&this.tech_.videoHeight()||0},_proto.language=function(code){if(void 0===code)return this.language_;this.language_=String(code).toLowerCase()},_proto.languages=function(){return mergeOptions(Player.prototype.options_.languages,this.languages_)},_proto.toJSON=function(){var options=mergeOptions(this.options_),tracks=options.tracks;options.tracks=[];for(var i=0;i<tracks.length;i++){var track=tracks[i];(track=mergeOptions(track)).player=void 0,options.tracks[i]=track}return options},_proto.createModal=function(content,options){var _this16=this;(options=options||{}).content=content||"";var modal=new ModalDialog(this,options);return this.addChild(modal),modal.on("dispose",(function(){_this16.removeChild(modal)})),modal.open(),modal},_proto.updateCurrentBreakpoint_=function(){if(this.responsive())for(var currentBreakpoint=this.currentBreakpoint(),currentWidth=this.currentWidth(),i=0;i<BREAKPOINT_ORDER.length;i++){var candidateBreakpoint=BREAKPOINT_ORDER[i];if(currentWidth<=this.breakpoints_[candidateBreakpoint]){if(currentBreakpoint===candidateBreakpoint)return;currentBreakpoint&&this.removeClass(BREAKPOINT_CLASSES[currentBreakpoint]),this.addClass(BREAKPOINT_CLASSES[candidateBreakpoint]),this.breakpoint_=candidateBreakpoint;break}}},_proto.removeCurrentBreakpoint_=function(){var className=this.currentBreakpointClass();this.breakpoint_="",className&&this.removeClass(className)},_proto.breakpoints=function(_breakpoints){return void 0===_breakpoints||(this.breakpoint_="",this.breakpoints_=assign({},DEFAULT_BREAKPOINTS,_breakpoints),this.updateCurrentBreakpoint_()),assign(this.breakpoints_)},_proto.responsive=function(value){return void 0===value?this.responsive_:(value=Boolean(value))!==this.responsive_?(this.responsive_=value,value?(this.on("playerresize",this.updateCurrentBreakpoint_),this.updateCurrentBreakpoint_()):(this.off("playerresize",this.updateCurrentBreakpoint_),this.removeCurrentBreakpoint_()),value):void 0},_proto.currentBreakpoint=function(){return this.breakpoint_},_proto.currentBreakpointClass=function(){return BREAKPOINT_CLASSES[this.breakpoint_]||""},_proto.loadMedia=function(media,ready){var _this17=this;if(media&&"object"===_typeof2(media)){this.reset(),this.cache_.media=mergeOptions(media);var _this$cache_$media=this.cache_.media,artwork=_this$cache_$media.artwork,poster=_this$cache_$media.poster,src=_this$cache_$media.src,textTracks=_this$cache_$media.textTracks;!artwork&&poster&&(this.cache_.media.artwork=[{src:poster,type:getMimetype(poster)}]),src&&this.src(src),poster&&this.poster(poster),Array.isArray(textTracks)&&textTracks.forEach((function(tt){return _this17.addRemoteTextTrack(tt,!1)})),this.ready(ready)}},_proto.getMedia=function(){if(!this.cache_.media){var poster=this.poster(),media={src:this.currentSources(),textTracks:Array.prototype.map.call(this.remoteTextTracks(),(function(tt){return{kind:tt.kind,label:tt.label,language:tt.language,src:tt.src}}))};return poster&&(media.poster=poster,media.artwork=[{src:media.poster,type:getMimetype(media.poster)}]),media}return mergeOptions(this.cache_.media)},Player.getTagSettings=function(tag){var baseOptions={sources:[],tracks:[]},tagOptions=getAttributes(tag),dataSetup=tagOptions["data-setup"];if(hasClass(tag,"vjs-fill")&&(tagOptions.fill=!0),hasClass(tag,"vjs-fluid")&&(tagOptions.fluid=!0),null!==dataSetup){var _safeParseTuple=tuple(dataSetup||"{}"),err=_safeParseTuple[0],data=_safeParseTuple[1];err&&log.error(err),assign(tagOptions,data)}if(assign(baseOptions,tagOptions),tag.hasChildNodes())for(var children=tag.childNodes,i=0,j=children.length;i<j;i++){var child=children[i],childName=child.nodeName.toLowerCase();"source"===childName?baseOptions.sources.push(getAttributes(child)):"track"===childName&&baseOptions.tracks.push(getAttributes(child))}return baseOptions},_proto.flexNotSupported_=function(){var elem=document.createElement("i");return!("flexBasis"in elem.style||"webkitFlexBasis"in elem.style||"mozFlexBasis"in elem.style||"msFlexBasis"in elem.style||"msFlexOrder"in elem.style)},Player}(Component);ALL.names.forEach((function(name){var props=ALL[name];Player.prototype[props.getterName]=function(){return this.tech_?this.tech_[props.getterName]():(this[props.privateName]=this[props.privateName]||new props.ListClass,this[props.privateName])}})),Player.players={};var navigator=window$3.navigator;Player.prototype.options_={techOrder:Tech.defaultTechOrder_,html5:{},flash:{},inactivityTimeout:2e3,playbackRates:[],liveui:!1,children:["mediaLoader","posterImage","textTrackDisplay","loadingSpinner","bigPlayButton","liveTracker","controlBar","errorDisplay","textTrackSettings","resizeManager"],language:navigator&&(navigator.languages&&navigator.languages[0]||navigator.userLanguage||navigator.language)||"en",languages:{},notSupportedMessage:"No compatible source was found for this media.",fullscreen:{options:{navigationUI:"hide"}},breakpoints:{},responsive:!1},["ended","seeking","seekable","networkState","readyState"].forEach((function(fn){Player.prototype[fn]=function(){return this.techGet_(fn)}})),TECH_EVENTS_RETRIGGER.forEach((function(event){Player.prototype["handleTech"+toTitleCase(event)+"_"]=function(){return this.trigger(event)}})),Component.registerComponent("Player",Player);var setPrototypeOf=createCommonjsModule((function(module){function _setPrototypeOf(o,p){return module.exports=_setPrototypeOf=Object.setPrototypeOf||function(o,p){return o.__proto__=p,o},_setPrototypeOf(o,p)}module.exports=_setPrototypeOf})),isNativeReflectConstruct=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Date.prototype.toString.call(Reflect.construct(Date,[],(function(){}))),!0}catch(e){return!1}},construct=createCommonjsModule((function(module){function _construct(Parent,args,Class){return isNativeReflectConstruct()?module.exports=_construct=Reflect.construct:module.exports=_construct=function(Parent,args,Class){var a=[null];a.push.apply(a,args);var instance=new(Function.bind.apply(Parent,a));return Class&&setPrototypeOf(instance,Class.prototype),instance},_construct.apply(null,arguments)}module.exports=_construct})),pluginStorage={},pluginExists=function(name){return pluginStorage.hasOwnProperty(name)},getPlugin=function(name){return pluginExists(name)?pluginStorage[name]:void 0},markPluginAsActive=function(player,name){player.activePlugins_=player.activePlugins_||{},player.activePlugins_[name]=!0},triggerSetupEvent=function(player,hash,before){var eventName=(before?"before":"")+"pluginsetup";player.trigger(eventName,hash),player.trigger(eventName+":"+hash.name,hash)},createPluginFactory=function(name,PluginSubClass){return PluginSubClass.prototype.name=name,function(){triggerSetupEvent(this,{name:name,plugin:PluginSubClass,instance:null},!0);for(var _len=arguments.length,args=new Array(_len),_key=0;_key<_len;_key++)args[_key]=arguments[_key];var instance=construct(PluginSubClass,[this].concat(args));return this[name]=function(){return instance},triggerSetupEvent(this,instance.getEventHash()),instance}},Plugin=function(){function Plugin(player){if(this.constructor===Plugin)throw new Error("Plugin must be sub-classed; not directly instantiated.");this.player=player,evented(this),delete this.trigger,stateful(this,this.constructor.defaultState),markPluginAsActive(player,this.name),this.dispose=bind(this,this.dispose),player.on("dispose",this.dispose)}var _proto=Plugin.prototype;return _proto.version=function(){return this.constructor.VERSION},_proto.getEventHash=function(hash){return void 0===hash&&(hash={}),hash.name=this.name,hash.plugin=this.constructor,hash.instance=this,hash},_proto.trigger=function(event,hash){return void 0===hash&&(hash={}),trigger(this.eventBusEl_,event,this.getEventHash(hash))},_proto.handleStateChanged=function(e){},_proto.dispose=function(){var name=this.name,player=this.player;this.trigger("dispose"),this.off(),player.off("dispose",this.dispose),player.activePlugins_[name]=!1,this.player=this.state=null,player[name]=createPluginFactory(name,pluginStorage[name])},Plugin.isBasic=function(plugin){var p="string"==typeof plugin?getPlugin(plugin):plugin;return"function"==typeof p&&!Plugin.prototype.isPrototypeOf(p.prototype)},Plugin.registerPlugin=function(name,plugin){if("string"!=typeof name)throw new Error('Illegal plugin name, "'+name+'", must be a string, was '+_typeof2(name)+".");if(pluginExists(name))log.warn('A plugin named "'+name+'" already exists. You may want to avoid re-registering plugins!');else if(Player.prototype.hasOwnProperty(name))throw new Error('Illegal plugin name, "'+name+'", cannot share a name with an existing player method!');if("function"!=typeof plugin)throw new Error('Illegal plugin for "'+name+'", must be a function, was '+_typeof2(plugin)+".");return pluginStorage[name]=plugin,"plugin"!==name&&(Plugin.isBasic(plugin)?Player.prototype[name]=function(name,plugin){var basicPluginWrapper=function(){triggerSetupEvent(this,{name:name,plugin:plugin,instance:null},!0);var instance=plugin.apply(this,arguments);return markPluginAsActive(this,name),triggerSetupEvent(this,{name:name,plugin:plugin,instance:instance}),instance};return Object.keys(plugin).forEach((function(prop){basicPluginWrapper[prop]=plugin[prop]})),basicPluginWrapper}(name,plugin):Player.prototype[name]=createPluginFactory(name,plugin)),plugin},Plugin.deregisterPlugin=function(name){if("plugin"===name)throw new Error("Cannot de-register base plugin.");pluginExists(name)&&(delete pluginStorage[name],delete Player.prototype[name])},Plugin.getPlugins=function(names){var result;return void 0===names&&(names=Object.keys(pluginStorage)),names.forEach((function(name){var plugin=getPlugin(name);plugin&&((result=result||{})[name]=plugin)})),result},Plugin.getPluginVersion=function(name){var plugin=getPlugin(name);return plugin&&plugin.VERSION||""},Plugin}();Plugin.getPlugin=getPlugin,Plugin.BASE_PLUGIN_NAME="plugin",Plugin.registerPlugin("plugin",Plugin),Player.prototype.usingPlugin=function(name){return!!this.activePlugins_&&!0===this.activePlugins_[name]},Player.prototype.hasPlugin=function(name){return!!pluginExists(name)};var inherits=function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function");subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,writable:!0,configurable:!0}}),superClass&&setPrototypeOf(subClass,superClass)},normalizeId=function(id){return 0===id.indexOf("#")?id.slice(1):id};function videojs$1(id,options,ready){var player=videojs$1.getPlayer(id);if(player)return options&&log.warn('Player "'+id+'" is already initialised. Options will not be applied.'),ready&&player.ready(ready),player;var el="string"==typeof id?$("#"+normalizeId(id)):id;if(!isEl(el))throw new TypeError("The element or ID supplied is not valid. (videojs)");el.ownerDocument.defaultView&&el.ownerDocument.body.contains(el)||log.warn("The element supplied is not included in the DOM"),options=options||{},videojs$1.hooks("beforesetup").forEach((function(hookFunction){var opts=hookFunction(el,mergeOptions(options));isObject(opts)&&!Array.isArray(opts)?options=mergeOptions(options,opts):log.error("please return an object in beforesetup hooks")}));var PlayerComponent=Component.getComponent("Player");return player=new PlayerComponent(el,options,ready),videojs$1.hooks("setup").forEach((function(hookFunction){return hookFunction(player)})),player}if(videojs$1.hooks_={},videojs$1.hooks=function(type,fn){return videojs$1.hooks_[type]=videojs$1.hooks_[type]||[],fn&&(videojs$1.hooks_[type]=videojs$1.hooks_[type].concat(fn)),videojs$1.hooks_[type]},videojs$1.hook=function(type,fn){videojs$1.hooks(type,fn)},videojs$1.hookOnce=function(type,fn){videojs$1.hooks(type,[].concat(fn).map((function(original){return function wrapper(){return videojs$1.removeHook(type,wrapper),original.apply(void 0,arguments)}})))},videojs$1.removeHook=function(type,fn){var index=videojs$1.hooks(type).indexOf(fn);return!(index<=-1||(videojs$1.hooks_[type]=videojs$1.hooks_[type].slice(),videojs$1.hooks_[type].splice(index,1),0))},!0!==window$3.VIDEOJS_NO_DYNAMIC_STYLE&&isReal()){var style=$(".vjs-styles-defaults");if(!style){style=createStyleElement("vjs-styles-defaults");var head=$("head");head&&head.insertBefore(style,head.firstChild),setTextContent(style,"\n      .video-js {\n        width: 300px;\n        height: 150px;\n      }\n\n      .vjs-fluid {\n        padding-top: 56.25%\n      }\n    ")}}autoSetupTimeout(1,videojs$1),videojs$1.VERSION="7.7.6",videojs$1.options=Player.prototype.options_,videojs$1.getPlayers=function(){return Player.players},videojs$1.getPlayer=function(id){var tag,players=Player.players;if("string"==typeof id){var nId=normalizeId(id),player=players[nId];if(player)return player;tag=$("#"+nId)}else tag=id;if(isEl(tag)){var _tag=tag,_player=_tag.player,playerId=_tag.playerId;if(_player||players[playerId])return _player||players[playerId]}},videojs$1.getAllPlayers=function(){return Object.keys(Player.players).map((function(k){return Player.players[k]})).filter(Boolean)},videojs$1.players=Player.players,videojs$1.getComponent=Component.getComponent,videojs$1.registerComponent=function(name,comp){Tech.isTech(comp)&&log.warn("The "+name+" tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)"),Component.registerComponent.call(Component,name,comp)},videojs$1.getTech=Tech.getTech,videojs$1.registerTech=Tech.registerTech,videojs$1.use=function(type,middleware){middlewares[type]=middlewares[type]||[],middlewares[type].push(middleware)},Object.defineProperty(videojs$1,"middleware",{value:{},writeable:!1,enumerable:!0}),Object.defineProperty(videojs$1.middleware,"TERMINATOR",{value:TERMINATOR,writeable:!1,enumerable:!0}),videojs$1.browser=browser,videojs$1.TOUCH_ENABLED=TOUCH_ENABLED,videojs$1.extend=function(superClass,subClassMethods){void 0===subClassMethods&&(subClassMethods={});var subClass=function(){superClass.apply(this,arguments)},methods={};for(var name in"object"===_typeof2(subClassMethods)?(subClassMethods.constructor!==Object.prototype.constructor&&(subClass=subClassMethods.constructor),methods=subClassMethods):"function"==typeof subClassMethods&&(subClass=subClassMethods),inherits(subClass,superClass),superClass&&(subClass.super_=superClass),methods)methods.hasOwnProperty(name)&&(subClass.prototype[name]=methods[name]);return subClass},videojs$1.mergeOptions=mergeOptions,videojs$1.bind=bind,videojs$1.registerPlugin=Plugin.registerPlugin,videojs$1.deregisterPlugin=Plugin.deregisterPlugin,videojs$1.plugin=function(name,plugin){return log.warn("videojs.plugin() is deprecated; use videojs.registerPlugin() instead"),Plugin.registerPlugin(name,plugin)},videojs$1.getPlugins=Plugin.getPlugins,videojs$1.getPlugin=Plugin.getPlugin,videojs$1.getPluginVersion=Plugin.getPluginVersion,videojs$1.addLanguage=function(code,data){var _mergeOptions;return code=(""+code).toLowerCase(),videojs$1.options.languages=mergeOptions(videojs$1.options.languages,((_mergeOptions={})[code]=data,_mergeOptions)),videojs$1.options.languages[code]},videojs$1.log=log,videojs$1.createLogger=createLogger$1,videojs$1.createTimeRange=videojs$1.createTimeRanges=createTimeRanges,videojs$1.formatTime=formatTime,videojs$1.setFormatTime=function(customImplementation){implementation=customImplementation},videojs$1.resetFormatTime=function(){implementation=defaultImplementation},videojs$1.parseUrl=parseUrl,videojs$1.isCrossOrigin=isCrossOrigin,videojs$1.EventTarget=EventTarget,videojs$1.on=on,videojs$1.one=one,videojs$1.off=off,videojs$1.trigger=trigger,videojs$1.xhr=xhr,videojs$1.TextTrack=TextTrack,videojs$1.AudioTrack=AudioTrack,videojs$1.VideoTrack=VideoTrack,["isEl","isTextNode","createEl","hasClass","addClass","removeClass","toggleClass","setAttributes","getAttributes","emptyEl","appendContent","insertContent"].forEach((function(k){videojs$1[k]=function(){return log.warn("videojs."+k+"() is deprecated; use videojs.dom."+k+"() instead"),Dom[k].apply(null,arguments)}})),videojs$1.computedStyle=computedStyle,videojs$1.dom=Dom,videojs$1.url=Url,videojs$1.defineLazyProperty=defineLazyProperty;var urlToolkit=createCommonjsModule((function(module,exports){!function(root){var URL_REGEX=/^((?:[a-zA-Z0-9+\-.]+:)?)(\/\/[^\/?#]*)?((?:[^\/\?#]*\/)*.*?)??(;.*?)?(\?.*?)?(#.*?)?$/,FIRST_SEGMENT_REGEX=/^([^\/?#]*)(.*)$/,SLASH_DOT_REGEX=/(?:\/|^)\.(?=\/)/g,SLASH_DOT_DOT_REGEX=/(?:\/|^)\.\.\/(?!\.\.\/).*?(?=\/)/g,URLToolkit={buildAbsoluteURL:function(baseURL,relativeURL,opts){if(opts=opts||{},baseURL=baseURL.trim(),!(relativeURL=relativeURL.trim())){if(!opts.alwaysNormalize)return baseURL;var basePartsForNormalise=URLToolkit.parseURL(baseURL);if(!basePartsForNormalise)throw new Error("Error trying to parse base URL.");return basePartsForNormalise.path=URLToolkit.normalizePath(basePartsForNormalise.path),URLToolkit.buildURLFromParts(basePartsForNormalise)}var relativeParts=URLToolkit.parseURL(relativeURL);if(!relativeParts)throw new Error("Error trying to parse relative URL.");if(relativeParts.scheme)return opts.alwaysNormalize?(relativeParts.path=URLToolkit.normalizePath(relativeParts.path),URLToolkit.buildURLFromParts(relativeParts)):relativeURL;var baseParts=URLToolkit.parseURL(baseURL);if(!baseParts)throw new Error("Error trying to parse base URL.");if(!baseParts.netLoc&&baseParts.path&&"/"!==baseParts.path[0]){var pathParts=FIRST_SEGMENT_REGEX.exec(baseParts.path);baseParts.netLoc=pathParts[1],baseParts.path=pathParts[2]}baseParts.netLoc&&!baseParts.path&&(baseParts.path="/");var builtParts={scheme:baseParts.scheme,netLoc:relativeParts.netLoc,path:null,params:relativeParts.params,query:relativeParts.query,fragment:relativeParts.fragment};if(!relativeParts.netLoc&&(builtParts.netLoc=baseParts.netLoc,"/"!==relativeParts.path[0]))if(relativeParts.path){var baseURLPath=baseParts.path,newPath=baseURLPath.substring(0,baseURLPath.lastIndexOf("/")+1)+relativeParts.path;builtParts.path=URLToolkit.normalizePath(newPath)}else builtParts.path=baseParts.path,relativeParts.params||(builtParts.params=baseParts.params,relativeParts.query||(builtParts.query=baseParts.query));return null===builtParts.path&&(builtParts.path=opts.alwaysNormalize?URLToolkit.normalizePath(relativeParts.path):relativeParts.path),URLToolkit.buildURLFromParts(builtParts)},parseURL:function(url){var parts=URL_REGEX.exec(url);return parts?{scheme:parts[1]||"",netLoc:parts[2]||"",path:parts[3]||"",params:parts[4]||"",query:parts[5]||"",fragment:parts[6]||""}:null},normalizePath:function(path){for(path=path.split("").reverse().join("").replace(SLASH_DOT_REGEX,"");path.length!==(path=path.replace(SLASH_DOT_DOT_REGEX,"")).length;);return path.split("").reverse().join("")},buildURLFromParts:function(parts){return parts.scheme+parts.netLoc+parts.path+parts.params+parts.query+parts.fragment}};module.exports=URLToolkit}()}));
+/*! @name m3u8-parser @version 4.4.0 @license Apache-2.0 */function _extends(){return _extends=Object.assign||function(target){for(var i=1;i<arguments.length;i++){var source=arguments[i];for(var key in source)Object.prototype.hasOwnProperty.call(source,key)&&(target[key]=source[key])}return target},_extends.apply(this,arguments)}function _inheritsLoose$1(subClass,superClass){subClass.prototype=Object.create(superClass.prototype),subClass.prototype.constructor=subClass,subClass.__proto__=superClass}var Stream=function(){function Stream(){this.listeners={}}var _proto=Stream.prototype;return _proto.on=function(type,listener){this.listeners[type]||(this.listeners[type]=[]),this.listeners[type].push(listener)},_proto.off=function(type,listener){if(!this.listeners[type])return!1;var index=this.listeners[type].indexOf(listener);return this.listeners[type].splice(index,1),index>-1},_proto.trigger=function(type){var 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i=0;i<_this2.customParsers.length;i++)if(_this2.customParsers[i].call(_this2,newLine))return;if(0===newLine.indexOf("#EXT"))if(newLine=newLine.replace("\r",""),match=/^#EXTM3U/.exec(newLine))_this2.trigger("data",{type:"tag",tagType:"m3u"});else{if(match=/^#EXTINF:?([0-9\.]*)?,?(.*)?$/.exec(newLine))return event={type:"tag",tagType:"inf"},match[1]&&(event.duration=parseFloat(match[1])),match[2]&&(event.title=match[2]),void _this2.trigger("data",event);if(match=/^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(newLine))return event={type:"tag",tagType:"targetduration"},match[1]&&(event.duration=parseInt(match[1],10)),void _this2.trigger("data",event);if(match=/^#ZEN-TOTAL-DURATION:?([0-9.]*)?/.exec(newLine))return event={type:"tag",tagType:"totalduration"},match[1]&&(event.duration=parseInt(match[1],10)),void _this2.trigger("data",event);if(match=/^#EXT-X-VERSION:?([0-9.]*)?/.exec(newLine))return event={type:"tag",tagType:"version"},match[1]&&(event.version=parseInt(match[1],10)),void 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event={type:"tag",tagType:"allow-cache"},match[1]&&(event.allowed=!/NO/.test(match[1])),void _this2.trigger("data",event);if(match=/^#EXT-X-MAP:?(.*)$/.exec(newLine)){if(event={type:"tag",tagType:"map"},match[1]){var attributes=parseAttributes(match[1]);if(attributes.URI&&(event.uri=attributes.URI),attributes.BYTERANGE){var _attributes$BYTERANGE=attributes.BYTERANGE.split("@"),length=_attributes$BYTERANGE[0],offset=_attributes$BYTERANGE[1];event.byterange={},length&&(event.byterange.length=parseInt(length,10)),offset&&(event.byterange.offset=parseInt(offset,10))}}_this2.trigger("data",event)}else if(match=/^#EXT-X-STREAM-INF:?(.*)$/.exec(newLine)){if(event={type:"tag",tagType:"stream-inf"},match[1]){if(event.attributes=parseAttributes(match[1]),event.attributes.RESOLUTION){var 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event={type:"tag",tagType:"start"},match[1]&&(event.attributes=parseAttributes(match[1]),event.attributes["TIME-OFFSET"]=parseFloat(event.attributes["TIME-OFFSET"]),event.attributes.PRECISE=/YES/.test(event.attributes.PRECISE)),void _this2.trigger("data",event);if(match=/^#EXT-X-CUE-OUT-CONT:?(.*)?$/.exec(newLine))return event={type:"tag",tagType:"cue-out-cont"},match[1]?event.data=match[1]:event.data="",void _this2.trigger("data",event);if(match=/^#EXT-X-CUE-OUT:?(.*)?$/.exec(newLine))return event={type:"tag",tagType:"cue-out"},match[1]?event.data=match[1]:event.data="",void _this2.trigger("data",event);if(match=/^#EXT-X-CUE-IN:?(.*)?$/.exec(newLine))return event={type:"tag",tagType:"cue-in"},match[1]?event.data=match[1]:event.data="",void _this2.trigger("data",event);_this2.trigger("data",{type:"tag",data:newLine.slice(4)})}}}else _this2.trigger("data",{type:"comment",text:newLine.slice(1)})})):this.trigger("data",{type:"uri",uri:line}))},_proto.addParser=function(_ref){var _this3=this,expression=_ref.expression,customType=_ref.customType,dataParser=_ref.dataParser,segment=_ref.segment;"function"!=typeof dataParser&&(dataParser=function(line){return line}),this.customParsers.push((function(line){if(expression.exec(line))return _this3.trigger("data",{type:"custom",data:dataParser(line),customType:customType,segment:segment}),!0}))},_proto.addTagMapper=function(_ref2){var expression=_ref2.expression,map=_ref2.map;this.tagMappers.push((function(line){return expression.test(line)?map(line):line}))},ParseStream}(Stream);function decodeB64ToUint8Array(b64Text){for(var decodedString=window$3.atob(b64Text||""),array=new Uint8Array(decodedString.length),i=0;i<decodedString.length;i++)array[i]=decodedString.charCodeAt(i);return array}var Parser=function(_Stream){function Parser(){var _this;(_this=_Stream.call(this)||this).lineStream=new LineStream,_this.parseStream=new ParseStream,_this.lineStream.pipe(_this.parseStream);var 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this.manifest||(this.manifest.mediaSequence=0,this.trigger("info",{message:"defaulting media sequence to zero"})),"discontinuitySequence"in this.manifest||(this.manifest.discontinuitySequence=0,this.trigger("info",{message:"defaulting discontinuity sequence to zero"})),entry.duration>0&&(currentUri.duration=entry.duration),0===entry.duration&&(currentUri.duration=.01,this.trigger("info",{message:"updating zero segment duration to a small value"})),this.manifest.segments=uris},key:function(){if(entry.attributes)if("NONE"!==entry.attributes.METHOD)if(entry.attributes.URI){if("urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed"===entry.attributes.KEYFORMAT)return-1===["SAMPLE-AES","SAMPLE-AES-CTR","SAMPLE-AES-CENC"].indexOf(entry.attributes.METHOD)?void this.trigger("warn",{message:"invalid key method provided for Widevine"}):("SAMPLE-AES-CENC"===entry.attributes.METHOD&&this.trigger("warn",{message:"SAMPLE-AES-CENC is deprecated, please use SAMPLE-AES-CTR 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"+entry.playlist})},map:function(){currentMap={},entry.uri&&(currentMap.uri=entry.uri),entry.byterange&&(currentMap.byterange=entry.byterange)},"stream-inf":function(){this.manifest.playlists=uris,this.manifest.mediaGroups=this.manifest.mediaGroups||defaultMediaGroups,entry.attributes?(currentUri.attributes||(currentUri.attributes={}),_extends(currentUri.attributes,entry.attributes)):this.trigger("warn",{message:"ignoring empty stream-inf attributes"})},media:function(){if(this.manifest.mediaGroups=this.manifest.mediaGroups||defaultMediaGroups,entry.attributes&&entry.attributes.TYPE&&entry.attributes["GROUP-ID"]&&entry.attributes.NAME){var mediaGroupType=this.manifest.mediaGroups[entry.attributes.TYPE];mediaGroupType[entry.attributes["GROUP-ID"]]=mediaGroupType[entry.attributes["GROUP-ID"]]||{},mediaGroup=mediaGroupType[entry.attributes["GROUP-ID"]],(rendition={default:/yes/i.test(entry.attributes.DEFAULT)}).default?rendition.autoselect=!0:rendition.autoselect=/yes/i.test(entry.attributes.AUTOSELECT),entry.attributes.LANGUAGE&&(rendition.language=entry.attributes.LANGUAGE),entry.attributes.URI&&(rendition.uri=entry.attributes.URI),entry.attributes["INSTREAM-ID"]&&(rendition.instreamId=entry.attributes["INSTREAM-ID"]),entry.attributes.CHARACTERISTICS&&(rendition.characteristics=entry.attributes.CHARACTERISTICS),entry.attributes.FORCED&&(rendition.forced=/yes/i.test(entry.attributes.FORCED)),mediaGroup[entry.attributes.NAME]=rendition}else this.trigger("warn",{message:"ignoring incomplete or missing media group"})},discontinuity:function(){currentTimeline+=1,currentUri.discontinuity=!0,this.manifest.discontinuityStarts.push(uris.length)},"program-date-time":function(){void 0===this.manifest.dateTimeString&&(this.manifest.dateTimeString=entry.dateTimeString,this.manifest.dateTimeObject=entry.dateTimeObject),currentUri.dateTimeString=entry.dateTimeString,currentUri.dateTimeObject=entry.dateTimeObject},targetduration:function(){!isFinite(entry.duration)||entry.duration<0?this.trigger("warn",{message:"ignoring invalid target duration: "+entry.duration}):this.manifest.targetDuration=entry.duration},totalduration:function(){!isFinite(entry.duration)||entry.duration<0?this.trigger("warn",{message:"ignoring invalid total duration: "+entry.duration}):this.manifest.totalDuration=entry.duration},start:function(){entry.attributes&&!isNaN(entry.attributes["TIME-OFFSET"])?this.manifest.start={timeOffset:entry.attributes["TIME-OFFSET"],precise:entry.attributes.PRECISE}:this.trigger("warn",{message:"ignoring start declaration without appropriate attribute list"})},"cue-out":function(){currentUri.cueOut=entry.data},"cue-out-cont":function(){currentUri.cueOutCont=entry.data},"cue-in":function(){currentUri.cueIn=entry.data}}[entry.tagType]||noop).call(self)},uri:function(){currentUri.uri=entry.uri,uris.push(currentUri),this.manifest.targetDuration&&!("duration"in currentUri)&&(this.trigger("warn",{message:"defaulting segment duration to the target duration"}),currentUri.duration=this.manifest.targetDuration),_key&&(currentUri.key=_key),currentUri.timeline=currentTimeline,currentMap&&(currentUri.map=currentMap),currentUri={}},comment:function(){},custom:function(){entry.segment?(currentUri.custom=currentUri.custom||{},currentUri.custom[entry.customType]=entry.data):(this.manifest.custom=this.manifest.custom||{},this.manifest.custom[entry.customType]=entry.data)}})[entry.type].call(self)})),_this}_inheritsLoose$1(Parser,_Stream);var _proto=Parser.prototype;return _proto.push=function(chunk){this.lineStream.push(chunk)},_proto.end=function(){this.lineStream.push("\n")},_proto.addParser=function(options){this.parseStream.addParser(options)},_proto.addTagMapper=function(options){this.parseStream.addTagMapper(options)},Parser}(Stream);function _interopDefault(ex){return ex&&"object"===_typeof2(ex)&&"default"in ex?ex.default:ex}var ex,URLToolkit=_interopDefault(urlToolkit),window$1=_interopDefault(window$3),resolveUrl_1=function(baseUrl,relativeUrl){return/^[a-z]+:/i.test(relativeUrl)?relativeUrl:(/\/\//i.test(baseUrl)||(baseUrl=URLToolkit.buildAbsoluteURL(window$1.location&&window$1.location.href||"",baseUrl)),URLToolkit.buildAbsoluteURL(baseUrl,relativeUrl))},window$2=(ex=window$3)&&"object"===_typeof2(ex)&&"default"in ex?ex.default:ex,decodeB64ToUint8Array_1=function(b64Text){for(var s,decodedString=(s=b64Text,window$2.atob?window$2.atob(s):Buffer.from(s,"base64").toString("binary")),array=new Uint8Array(decodedString.length),i=0;i<decodedString.length;i++)array[i]=decodedString.charCodeAt(i);return array},nameStartChar=/[A-Z_a-z\xC0-\xD6\xD8-\xF6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/,nameChar=new RegExp("[\\-\\.0-9"+nameStartChar.source.slice(1,-1)+"\\u00B7\\u0300-\\u036F\\u203F-\\u2040]"),tagNamePattern=new RegExp("^"+nameStartChar.source+nameChar.source+"*(?::"+nameStartChar.source+nameChar.source+"*)?$");function XMLReader(){}function copyLocator(f,t){return t.lineNumber=f.lineNumber,t.columnNumber=f.columnNumber,t}function parseElementStartPart(source,start,el,currentNSMap,entityReplacer,errorHandler){for(var attrName,p=++start,s=0;;){var c=source.charAt(p);switch(c){case"=":if(1===s)attrName=source.slice(start,p),s=3;else{if(2!==s)throw new Error("attribute equal must after attrName");s=3}break;case"'":case'"':if(3===s||1===s){if(1===s&&(errorHandler.warning('attribute value must after "="'),attrName=source.slice(start,p)),start=p+1,!((p=source.indexOf(c,start))>0))throw new Error("attribute value no end '"+c+"' match");value=source.slice(start,p).replace(/&#?\w+;/g,entityReplacer),el.add(attrName,value,start-1),s=5}else{if(4!=s)throw new Error('attribute value must after "="');value=source.slice(start,p).replace(/&#?\w+;/g,entityReplacer),el.add(attrName,value,start),errorHandler.warning('attribute "'+attrName+'" missed start quot('+c+")!!"),start=p+1,s=5}break;case"/":switch(s){case 0:el.setTagName(source.slice(start,p));case 5:case 6:case 7:s=7,el.closed=!0;case 4:case 1:case 2:break;default:throw new Error("attribute invalid close char('/')")}break;case"":return errorHandler.error("unexpected end of input"),0==s&&el.setTagName(source.slice(start,p)),p;case">":switch(s){case 0:el.setTagName(source.slice(start,p));case 5:case 6:case 7:break;case 4:case 1:"/"===(value=source.slice(start,p)).slice(-1)&&(el.closed=!0,value=value.slice(0,-1));case 2:2===s&&(value=attrName),4==s?(errorHandler.warning('attribute "'+value+'" missed quot(")!!'),el.add(attrName,value.replace(/&#?\w+;/g,entityReplacer),start)):("http://www.w3.org/1999/xhtml"===currentNSMap[""]&&value.match(/^(?:disabled|checked|selected)$/i)||errorHandler.warning('attribute "'+value+'" missed value!! "'+value+'" instead!!'),el.add(value,value,start));break;case 3:throw new Error("attribute value missed!!")}return p;case"€":c=" ";default:if(c<=" ")switch(s){case 0:el.setTagName(source.slice(start,p)),s=6;break;case 1:attrName=source.slice(start,p),s=2;break;case 4:var value=source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);errorHandler.warning('attribute "'+value+'" missed quot(")!!'),el.add(attrName,value,start);case 5:s=6}else switch(s){case 2:el.tagName,"http://www.w3.org/1999/xhtml"===currentNSMap[""]&&attrName.match(/^(?:disabled|checked|selected)$/i)||errorHandler.warning('attribute "'+attrName+'" missed value!! "'+attrName+'" instead2!!'),el.add(attrName,attrName,start),start=p,s=1;break;case 5:errorHandler.warning('attribute space is required"'+attrName+'"!!');case 6:s=1,start=p;break;case 3:s=4,start=p;break;case 7:throw new Error("elements closed character '/' and '>' must be connected to")}}p++}}function appendElement(el,domBuilder,currentNSMap){for(var tagName=el.tagName,localNSMap=null,i=el.length;i--;){var a=el[i],qName=a.qName,value=a.value;if((nsp=qName.indexOf(":"))>0)var prefix=a.prefix=qName.slice(0,nsp),localName=qName.slice(nsp+1),nsPrefix="xmlns"===prefix&&localName;else localName=qName,prefix=null,nsPrefix="xmlns"===qName&&"";a.localName=localName,!1!==nsPrefix&&(null==localNSMap&&(localNSMap={},_copy(currentNSMap,currentNSMap={})),currentNSMap[nsPrefix]=localNSMap[nsPrefix]=value,a.uri="http://www.w3.org/2000/xmlns/",domBuilder.startPrefixMapping(nsPrefix,value))}for(i=el.length;i--;)(prefix=(a=el[i]).prefix)&&("xml"===prefix&&(a.uri="http://www.w3.org/XML/1998/namespace"),"xmlns"!==prefix&&(a.uri=currentNSMap[prefix||""]));var nsp;(nsp=tagName.indexOf(":"))>0?(prefix=el.prefix=tagName.slice(0,nsp),localName=el.localName=tagName.slice(nsp+1)):(prefix=null,localName=el.localName=tagName);var ns=el.uri=currentNSMap[prefix||""];if(domBuilder.startElement(ns,localName,tagName,el),!el.closed)return el.currentNSMap=currentNSMap,el.localNSMap=localNSMap,!0;if(domBuilder.endElement(ns,localName,tagName),localNSMap)for(prefix in localNSMap)domBuilder.endPrefixMapping(prefix)}function parseHtmlSpecialContent(source,elStartEnd,tagName,entityReplacer,domBuilder){if(/^(?:script|textarea)$/i.test(tagName)){var elEndStart=source.indexOf("</"+tagName+">",elStartEnd),text=source.substring(elStartEnd+1,elEndStart);if(/[&<]/.test(text))return/^script$/i.test(tagName)?(domBuilder.characters(text,0,text.length),elEndStart):(text=text.replace(/&#?\w+;/g,entityReplacer),domBuilder.characters(text,0,text.length),elEndStart)}return elStartEnd+1}function fixSelfClosed(source,elStartEnd,tagName,closeMap){var pos=closeMap[tagName];return null==pos&&((pos=source.lastIndexOf("</"+tagName+">"))<elStartEnd&&(pos=source.lastIndexOf("</"+tagName)),closeMap[tagName]=pos),pos<elStartEnd}function _copy(source,target){for(var n in source)target[n]=source[n]}function parseDCC(source,start,domBuilder,errorHandler){if("-"===source.charAt(start+2))return"-"===source.charAt(start+3)?(end=source.indexOf("--\x3e",start+4))>start?(domBuilder.comment(source,start+4,end-start-4),end+3):(errorHandler.error("Unclosed comment"),-1):-1;if("CDATA["==source.substr(start+3,6)){var end=source.indexOf("]]>",start+9);return domBuilder.startCDATA(),domBuilder.characters(source,start+9,end-start-9),domBuilder.endCDATA(),end+3}var matchs=function(source,start){var match,buf=[],reg=/'[^']+'|"[^"]+"|[^\s<>\/=]+=?|(\/?\s*>|<)/g;for(reg.lastIndex=start,reg.exec(source);match=reg.exec(source);)if(buf.push(match),match[1])return buf}(source,start),len=matchs.length;if(len>1&&/!doctype/i.test(matchs[0][0])){var name=matchs[1][0],pubid=len>3&&/^public$/i.test(matchs[2][0])&&matchs[3][0],sysid=len>4&&matchs[4][0],lastMatch=matchs[len-1];return domBuilder.startDTD(name,pubid&&pubid.replace(/^(['"])(.*?)\1$/,"$2"),sysid&&sysid.replace(/^(['"])(.*?)\1$/,"$2")),domBuilder.endDTD(),lastMatch.index+lastMatch[0].length}return-1}function parseInstruction(source,start,domBuilder){var end=source.indexOf("?>",start);if(end){var match=source.substring(start,end).match(/^<\?(\S*)\s*([\s\S]*?)\s*$/);return match?(match[0].length,domBuilder.processingInstruction(match[1],match[2]),end+2):-1}return-1}function ElementAttributes(source){}function _set_proto_(thiz,parent){return thiz.__proto__=parent,thiz}XMLReader.prototype={parse:function(source,defaultNSMap,entityMap){var domBuilder=this.domBuilder;domBuilder.startDocument(),_copy(defaultNSMap,defaultNSMap={}),function(source,defaultNSMapCopy,entityMap,domBuilder,errorHandler){function fixedFromCharCode(code){if(code>65535){var surrogate1=55296+((code-=65536)>>10),surrogate2=56320+(1023&code);return String.fromCharCode(surrogate1,surrogate2)}return String.fromCharCode(code)}function entityReplacer(a){var k=a.slice(1,-1);return k in entityMap?entityMap[k]:"#"===k.charAt(0)?fixedFromCharCode(parseInt(k.substr(1).replace("x","0x"))):(errorHandler.error("entity not found:"+a),a)}function appendText(end){if(end>start){var xt=source.substring(start,end).replace(/&#?\w+;/g,entityReplacer);locator&&position(start),domBuilder.characters(xt,0,end-start),start=end}}function position(p,m){for(;p>=lineEnd&&(m=linePattern.exec(source));)lineStart=m.index,lineEnd=lineStart+m[0].length,locator.lineNumber++;locator.columnNumber=p-lineStart+1}for(var lineStart=0,lineEnd=0,linePattern=/.*(?:\r\n?|\n)|.*$/g,locator=domBuilder.locator,parseStack=[{currentNSMap:defaultNSMapCopy}],closeMap={},start=0;;){try{var tagStart=source.indexOf("<",start);if(tagStart<0){if(!source.substr(start).match(/^\s*$/)){var doc=domBuilder.doc,text=doc.createTextNode(source.substr(start));doc.appendChild(text),domBuilder.currentElement=text}return}switch(tagStart>start&&appendText(tagStart),source.charAt(tagStart+1)){case"/":var end=source.indexOf(">",tagStart+3),tagName=source.substring(tagStart+2,end),config=parseStack.pop();end<0?(tagName=source.substring(tagStart+2).replace(/[\s<].*/,""),errorHandler.error("end tag name: "+tagName+" is not complete:"+config.tagName),end=tagStart+1+tagName.length):tagName.match(/\s</)&&(tagName=tagName.replace(/[\s<].*/,""),errorHandler.error("end tag name: "+tagName+" maybe not complete"),end=tagStart+1+tagName.length);var localNSMap=config.localNSMap,endMatch=config.tagName==tagName;if(endMatch||config.tagName&&config.tagName.toLowerCase()==tagName.toLowerCase()){if(domBuilder.endElement(config.uri,config.localName,tagName),localNSMap)for(var prefix in localNSMap)domBuilder.endPrefixMapping(prefix);endMatch||errorHandler.fatalError("end tag name: "+tagName+" is not match the current start tagName:"+config.tagName)}else parseStack.push(config);end++;break;case"?":locator&&position(tagStart),end=parseInstruction(source,tagStart,domBuilder);break;case"!":locator&&position(tagStart),end=parseDCC(source,tagStart,domBuilder,errorHandler);break;default:locator&&position(tagStart);var el=new ElementAttributes,currentNSMap=parseStack[parseStack.length-1].currentNSMap,len=(end=parseElementStartPart(source,tagStart,el,currentNSMap,entityReplacer,errorHandler),el.length);if(!el.closed&&fixSelfClosed(source,end,el.tagName,closeMap)&&(el.closed=!0,entityMap.nbsp||errorHandler.warning("unclosed xml attribute")),locator&&len){for(var locator2=copyLocator(locator,{}),i=0;i<len;i++){var a=el[i];position(a.offset),a.locator=copyLocator(locator,{})}domBuilder.locator=locator2,appendElement(el,domBuilder,currentNSMap)&&parseStack.push(el),domBuilder.locator=locator}else appendElement(el,domBuilder,currentNSMap)&&parseStack.push(el);"http://www.w3.org/1999/xhtml"!==el.uri||el.closed?end++:end=parseHtmlSpecialContent(source,end,el.tagName,entityReplacer,domBuilder)}}catch(e){errorHandler.error("element parse error: "+e),end=-1}end>start?start=end:appendText(Math.max(tagStart,start)+1)}}(source,defaultNSMap,entityMap,domBuilder,this.errorHandler),domBuilder.endDocument()}},ElementAttributes.prototype={setTagName:function(tagName){if(!tagNamePattern.test(tagName))throw new Error("invalid tagName:"+tagName);this.tagName=tagName},add:function(qName,value,offset){if(!tagNamePattern.test(qName))throw new Error("invalid attribute:"+qName);this[this.length++]={qName:qName,value:value,offset:offset}},length:0,getLocalName:function(i){return this[i].localName},getLocator:function(i){return this[i].locator},getQName:function(i){return this[i].qName},getURI:function(i){return this[i].uri},getValue:function(i){return this[i].value}},_set_proto_({},_set_proto_.prototype)instanceof _set_proto_||(_set_proto_=function(thiz,parent){function p(){}for(parent in p.prototype=parent,p=new p,thiz)p[parent]=thiz[parent];return p});var sax={XMLReader:XMLReader};function copy(src,dest){for(var p in src)dest[p]=src[p]}function _extends$1(Class,Super){var pt=Class.prototype;if(Object.create){var ppt=Object.create(Super.prototype);pt.__proto__=ppt}if(!(pt instanceof Super)){var t=function(){};t.prototype=Super.prototype,copy(pt,t=new t),Class.prototype=pt=t}pt.constructor!=Class&&("function"!=typeof Class&&console.error("unknow Class:"+Class),pt.constructor=Class)}var NodeType={},ELEMENT_NODE=NodeType.ELEMENT_NODE=1,ATTRIBUTE_NODE=NodeType.ATTRIBUTE_NODE=2,TEXT_NODE=NodeType.TEXT_NODE=3,CDATA_SECTION_NODE=NodeType.CDATA_SECTION_NODE=4,ENTITY_REFERENCE_NODE=NodeType.ENTITY_REFERENCE_NODE=5,ENTITY_NODE=NodeType.ENTITY_NODE=6,PROCESSING_INSTRUCTION_NODE=NodeType.PROCESSING_INSTRUCTION_NODE=7,COMMENT_NODE=NodeType.COMMENT_NODE=8,DOCUMENT_NODE=NodeType.DOCUMENT_NODE=9,DOCUMENT_TYPE_NODE=NodeType.DOCUMENT_TYPE_NODE=10,DOCUMENT_FRAGMENT_NODE=NodeType.DOCUMENT_FRAGMENT_NODE=11,NOTATION_NODE=NodeType.NOTATION_NODE=12,ExceptionCode={},ExceptionMessage={},HIERARCHY_REQUEST_ERR=(ExceptionCode.INDEX_SIZE_ERR=(ExceptionMessage[1]="Index size error",1),ExceptionCode.DOMSTRING_SIZE_ERR=(ExceptionMessage[2]="DOMString size error",2),ExceptionCode.HIERARCHY_REQUEST_ERR=(ExceptionMessage[3]="Hierarchy request error",3)),NOT_FOUND_ERR=(ExceptionCode.WRONG_DOCUMENT_ERR=(ExceptionMessage[4]="Wrong document",4),ExceptionCode.INVALID_CHARACTER_ERR=(ExceptionMessage[5]="Invalid character",5),ExceptionCode.NO_DATA_ALLOWED_ERR=(ExceptionMessage[6]="No data allowed",6),ExceptionCode.NO_MODIFICATION_ALLOWED_ERR=(ExceptionMessage[7]="No modification allowed",7),ExceptionCode.NOT_FOUND_ERR=(ExceptionMessage[8]="Not found",8)),INUSE_ATTRIBUTE_ERR=(ExceptionCode.NOT_SUPPORTED_ERR=(ExceptionMessage[9]="Not supported",9),ExceptionCode.INUSE_ATTRIBUTE_ERR=(ExceptionMessage[10]="Attribute in use",10));function DOMException(code,message){if(message instanceof Error)var error=message;else error=this,Error.call(this,ExceptionMessage[code]),this.message=ExceptionMessage[code],Error.captureStackTrace&&Error.captureStackTrace(this,DOMException);return error.code=code,message&&(this.message=this.message+": "+message),error}function NodeList(){}function LiveNodeList(node,refresh){this._node=node,this._refresh=refresh,_updateLiveList(this)}function _updateLiveList(list){var inc=list._node._inc||list._node.ownerDocument._inc;if(list._inc!=inc){var ls=list._refresh(list._node);__set__(list,"length",ls.length),copy(ls,list),list._inc=inc}}function NamedNodeMap(){}function _findNodeIndex(list,node){for(var i=list.length;i--;)if(list[i]===node)return i}function _addNamedNode(el,list,newAttr,oldAttr){if(oldAttr?list[_findNodeIndex(list,oldAttr)]=newAttr:list[list.length++]=newAttr,el){newAttr.ownerElement=el;var doc=el.ownerDocument;doc&&(oldAttr&&_onRemoveAttribute(doc,el,oldAttr),function(doc,el,newAttr){doc&&doc._inc++,"http://www.w3.org/2000/xmlns/"==newAttr.namespaceURI&&(el._nsMap[newAttr.prefix?newAttr.localName:""]=newAttr.value)}(doc,el,newAttr))}}function _removeNamedNode(el,list,attr){var i=_findNodeIndex(list,attr);if(!(i>=0))throw DOMException(NOT_FOUND_ERR,new Error(el.tagName+"@"+attr));for(var lastIndex=list.length-1;i<lastIndex;)list[i]=list[++i];if(list.length=lastIndex,el){var doc=el.ownerDocument;doc&&(_onRemoveAttribute(doc,el,attr),attr.ownerElement=null)}}function DOMImplementation(features){if(this._features={},features)for(var feature in features)this._features=features[feature]}function Node(){}function _xmlEncoder(c){return("<"==c?"&lt;":">"==c&&"&gt;")||"&"==c&&"&amp;"||'"'==c&&"&quot;"||"&#"+c.charCodeAt()+";"}function _visitNode(node,callback){if(callback(node))return!0;if(node=node.firstChild)do{if(_visitNode(node,callback))return!0}while(node=node.nextSibling)}function Document(){}function _onRemoveAttribute(doc,el,newAttr,remove){doc&&doc._inc++,"http://www.w3.org/2000/xmlns/"==newAttr.namespaceURI&&delete el._nsMap[newAttr.prefix?newAttr.localName:""]}function _onUpdateChild(doc,el,newChild){if(doc&&doc._inc){doc._inc++;var cs=el.childNodes;if(newChild)cs[cs.length++]=newChild;else{for(var child=el.firstChild,i=0;child;)cs[i++]=child,child=child.nextSibling;cs.length=i}}}function _removeChild(parentNode,child){var previous=child.previousSibling,next=child.nextSibling;return previous?previous.nextSibling=next:parentNode.firstChild=next,next?next.previousSibling=previous:parentNode.lastChild=previous,_onUpdateChild(parentNode.ownerDocument,parentNode),child}function _insertBefore(parentNode,newChild,nextChild){var cp=newChild.parentNode;if(cp&&cp.removeChild(newChild),newChild.nodeType===DOCUMENT_FRAGMENT_NODE){var newFirst=newChild.firstChild;if(null==newFirst)return newChild;var newLast=newChild.lastChild}else newFirst=newLast=newChild;var pre=nextChild?nextChild.previousSibling:parentNode.lastChild;newFirst.previousSibling=pre,newLast.nextSibling=nextChild,pre?pre.nextSibling=newFirst:parentNode.firstChild=newFirst,null==nextChild?parentNode.lastChild=newLast:nextChild.previousSibling=newLast;do{newFirst.parentNode=parentNode}while(newFirst!==newLast&&(newFirst=newFirst.nextSibling));return _onUpdateChild(parentNode.ownerDocument||parentNode,parentNode),newChild.nodeType==DOCUMENT_FRAGMENT_NODE&&(newChild.firstChild=newChild.lastChild=null),newChild}function Element(){this._nsMap={}}function Attr(){}function CharacterData(){}function Text(){}function Comment(){}function CDATASection(){}function DocumentType(){}function Notation(){}function Entity(){}function EntityReference(){}function DocumentFragment(){}function ProcessingInstruction(){}function XMLSerializer(){}function nodeSerializeToString(isHtml,nodeFilter){var buf=[],refNode=9==this.nodeType?this.documentElement:this,prefix=refNode.prefix,uri=refNode.namespaceURI;if(uri&&null==prefix&&null==(prefix=refNode.lookupPrefix(uri)))var visibleNamespaces=[{namespace:uri,prefix:null}];return serializeToString(this,buf,isHtml,nodeFilter,visibleNamespaces),buf.join("")}function needNamespaceDefine(node,isHTML,visibleNamespaces){var prefix=node.prefix||"",uri=node.namespaceURI;if(!prefix&&!uri)return!1;if("xml"===prefix&&"http://www.w3.org/XML/1998/namespace"===uri||"http://www.w3.org/2000/xmlns/"==uri)return!1;for(var i=visibleNamespaces.length;i--;){var ns=visibleNamespaces[i];if(ns.prefix==prefix)return ns.namespace!=uri}return!0}function serializeToString(node,buf,isHTML,nodeFilter,visibleNamespaces){if(nodeFilter){if(!(node=nodeFilter(node)))return;if("string"==typeof node)return void buf.push(node)}switch(node.nodeType){case ELEMENT_NODE:visibleNamespaces||(visibleNamespaces=[]),visibleNamespaces.length;var attrs=node.attributes,len=attrs.length,child=node.firstChild,nodeName=node.tagName;isHTML="http://www.w3.org/1999/xhtml"===node.namespaceURI||isHTML,buf.push("<",nodeName);for(var i=0;i<len;i++)"xmlns"==(attr=attrs.item(i)).prefix?visibleNamespaces.push({prefix:attr.localName,namespace:attr.value}):"xmlns"==attr.nodeName&&visibleNamespaces.push({prefix:"",namespace:attr.value});for(i=0;i<len;i++){var attr;if(needNamespaceDefine(attr=attrs.item(i),0,visibleNamespaces)){var prefix=attr.prefix||"",uri=attr.namespaceURI,ns=prefix?" xmlns:"+prefix:" xmlns";buf.push(ns,'="',uri,'"'),visibleNamespaces.push({prefix:prefix,namespace:uri})}serializeToString(attr,buf,isHTML,nodeFilter,visibleNamespaces)}if(needNamespaceDefine(node,0,visibleNamespaces)&&(prefix=node.prefix||"",uri=node.namespaceURI,ns=prefix?" xmlns:"+prefix:" xmlns",buf.push(ns,'="',uri,'"'),visibleNamespaces.push({prefix:prefix,namespace:uri})),child||isHTML&&!/^(?:meta|link|img|br|hr|input)$/i.test(nodeName)){if(buf.push(">"),isHTML&&/^script$/i.test(nodeName))for(;child;)child.data?buf.push(child.data):serializeToString(child,buf,isHTML,nodeFilter,visibleNamespaces),child=child.nextSibling;else for(;child;)serializeToString(child,buf,isHTML,nodeFilter,visibleNamespaces),child=child.nextSibling;buf.push("</",nodeName,">")}else buf.push("/>");return;case DOCUMENT_NODE:case DOCUMENT_FRAGMENT_NODE:for(child=node.firstChild;child;)serializeToString(child,buf,isHTML,nodeFilter,visibleNamespaces),child=child.nextSibling;return;case ATTRIBUTE_NODE:return buf.push(" ",node.name,'="',node.value.replace(/[<&"]/g,_xmlEncoder),'"');case TEXT_NODE:return buf.push(node.data.replace(/[<&]/g,_xmlEncoder));case CDATA_SECTION_NODE:return buf.push("<![CDATA[",node.data,"]]>");case COMMENT_NODE:return buf.push("\x3c!--",node.data,"--\x3e");case DOCUMENT_TYPE_NODE:var pubid=node.publicId,sysid=node.systemId;if(buf.push("<!DOCTYPE ",node.name),pubid)buf.push(' PUBLIC "',pubid),sysid&&"."!=sysid&&buf.push('" "',sysid),buf.push('">');else if(sysid&&"."!=sysid)buf.push(' SYSTEM "',sysid,'">');else{var sub=node.internalSubset;sub&&buf.push(" [",sub,"]"),buf.push(">")}return;case PROCESSING_INSTRUCTION_NODE:return buf.push("<?",node.target," ",node.data,"?>");case ENTITY_REFERENCE_NODE:return buf.push("&",node.nodeName,";");default:buf.push("??",node.nodeName)}}function _importNode(doc,node,deep){var node2;switch(node.nodeType){case ELEMENT_NODE:(node2=node.cloneNode(!1)).ownerDocument=doc;case DOCUMENT_FRAGMENT_NODE:break;case ATTRIBUTE_NODE:deep=!0}if(node2||(node2=node.cloneNode(!1)),node2.ownerDocument=doc,node2.parentNode=null,deep)for(var child=node.firstChild;child;)node2.appendChild(_importNode(doc,child,deep)),child=child.nextSibling;return node2}function _cloneNode(doc,node,deep){var node2=new node.constructor;for(var n in node){var v=node[n];"object"!=_typeof2(v)&&v!=node2[n]&&(node2[n]=v)}switch(node.childNodes&&(node2.childNodes=new NodeList),node2.ownerDocument=doc,node2.nodeType){case ELEMENT_NODE:var attrs=node.attributes,attrs2=node2.attributes=new NamedNodeMap,len=attrs.length;attrs2._ownerElement=node2;for(var i=0;i<len;i++)node2.setAttributeNode(_cloneNode(doc,attrs.item(i),!0));break;case ATTRIBUTE_NODE:deep=!0}if(deep)for(var child=node.firstChild;child;)node2.appendChild(_cloneNode(doc,child,deep)),child=child.nextSibling;return node2}function __set__(object,key,value){object[key]=value}ExceptionCode.INVALID_STATE_ERR=(ExceptionMessage[11]="Invalid state",11),ExceptionCode.SYNTAX_ERR=(ExceptionMessage[12]="Syntax error",12),ExceptionCode.INVALID_MODIFICATION_ERR=(ExceptionMessage[13]="Invalid modification",13),ExceptionCode.NAMESPACE_ERR=(ExceptionMessage[14]="Invalid namespace",14),ExceptionCode.INVALID_ACCESS_ERR=(ExceptionMessage[15]="Invalid access",15),DOMException.prototype=Error.prototype,copy(ExceptionCode,DOMException),NodeList.prototype={length:0,item:function(index){return this[index]||null},toString:function(isHTML,nodeFilter){for(var buf=[],i=0;i<this.length;i++)serializeToString(this[i],buf,isHTML,nodeFilter);return buf.join("")}},LiveNodeList.prototype.item=function(i){return _updateLiveList(this),this[i]},_extends$1(LiveNodeList,NodeList),NamedNodeMap.prototype={length:0,item:NodeList.prototype.item,getNamedItem:function(key){for(var i=this.length;i--;){var attr=this[i];if(attr.nodeName==key)return attr}},setNamedItem:function(attr){var el=attr.ownerElement;if(el&&el!=this._ownerElement)throw new DOMException(INUSE_ATTRIBUTE_ERR);var oldAttr=this.getNamedItem(attr.nodeName);return _addNamedNode(this._ownerElement,this,attr,oldAttr),oldAttr},setNamedItemNS:function(attr){var oldAttr,el=attr.ownerElement;if(el&&el!=this._ownerElement)throw new DOMException(INUSE_ATTRIBUTE_ERR);return oldAttr=this.getNamedItemNS(attr.namespaceURI,attr.localName),_addNamedNode(this._ownerElement,this,attr,oldAttr),oldAttr},removeNamedItem:function(key){var attr=this.getNamedItem(key);return _removeNamedNode(this._ownerElement,this,attr),attr},removeNamedItemNS:function(namespaceURI,localName){var attr=this.getNamedItemNS(namespaceURI,localName);return _removeNamedNode(this._ownerElement,this,attr),attr},getNamedItemNS:function(namespaceURI,localName){for(var i=this.length;i--;){var node=this[i];if(node.localName==localName&&node.namespaceURI==namespaceURI)return node}return null}},DOMImplementation.prototype={hasFeature:function(feature,version){var versions=this._features[feature.toLowerCase()];return!(!versions||version&&!(version in versions))},createDocument:function(namespaceURI,qualifiedName,doctype){var doc=new Document;if(doc.implementation=this,doc.childNodes=new NodeList,doc.doctype=doctype,doctype&&doc.appendChild(doctype),qualifiedName){var root=doc.createElementNS(namespaceURI,qualifiedName);doc.appendChild(root)}return doc},createDocumentType:function(qualifiedName,publicId,systemId){var node=new DocumentType;return node.name=qualifiedName,node.nodeName=qualifiedName,node.publicId=publicId,node.systemId=systemId,node}},Node.prototype={firstChild:null,lastChild:null,previousSibling:null,nextSibling:null,attributes:null,parentNode:null,childNodes:null,ownerDocument:null,nodeValue:null,namespaceURI:null,prefix:null,localName:null,insertBefore:function(newChild,refChild){return _insertBefore(this,newChild,refChild)},replaceChild:function(newChild,oldChild){this.insertBefore(newChild,oldChild),oldChild&&this.removeChild(oldChild)},removeChild:function(oldChild){return _removeChild(this,oldChild)},appendChild:function(newChild){return this.insertBefore(newChild,null)},hasChildNodes:function(){return null!=this.firstChild},cloneNode:function(deep){return _cloneNode(this.ownerDocument||this,this,deep)},normalize:function(){for(var child=this.firstChild;child;){var next=child.nextSibling;next&&next.nodeType==TEXT_NODE&&child.nodeType==TEXT_NODE?(this.removeChild(next),child.appendData(next.data)):(child.normalize(),child=next)}},isSupported:function(feature,version){return this.ownerDocument.implementation.hasFeature(feature,version)},hasAttributes:function(){return this.attributes.length>0},lookupPrefix:function(namespaceURI){for(var el=this;el;){var map=el._nsMap;if(map)for(var n in map)if(map[n]==namespaceURI)return n;el=el.nodeType==ATTRIBUTE_NODE?el.ownerDocument:el.parentNode}return null},lookupNamespaceURI:function(prefix){for(var el=this;el;){var map=el._nsMap;if(map&&prefix in map)return map[prefix];el=el.nodeType==ATTRIBUTE_NODE?el.ownerDocument:el.parentNode}return null},isDefaultNamespace:function(namespaceURI){return null==this.lookupPrefix(namespaceURI)}},copy(NodeType,Node),copy(NodeType,Node.prototype),Document.prototype={nodeName:"#document",nodeType:DOCUMENT_NODE,doctype:null,documentElement:null,_inc:1,insertBefore:function(newChild,refChild){if(newChild.nodeType==DOCUMENT_FRAGMENT_NODE){for(var child=newChild.firstChild;child;){var next=child.nextSibling;this.insertBefore(child,refChild),child=next}return newChild}return null==this.documentElement&&newChild.nodeType==ELEMENT_NODE&&(this.documentElement=newChild),_insertBefore(this,newChild,refChild),newChild.ownerDocument=this,newChild},removeChild:function(oldChild){return this.documentElement==oldChild&&(this.documentElement=null),_removeChild(this,oldChild)},importNode:function(importedNode,deep){return _importNode(this,importedNode,deep)},getElementById:function(id){var rtv=null;return _visitNode(this.documentElement,(function(node){if(node.nodeType==ELEMENT_NODE&&node.getAttribute("id")==id)return rtv=node,!0})),rtv},createElement:function(tagName){var node=new Element;return node.ownerDocument=this,node.nodeName=tagName,node.tagName=tagName,node.childNodes=new NodeList,(node.attributes=new NamedNodeMap)._ownerElement=node,node},createDocumentFragment:function(){var node=new DocumentFragment;return node.ownerDocument=this,node.childNodes=new NodeList,node},createTextNode:function(data){var node=new Text;return node.ownerDocument=this,node.appendData(data),node},createComment:function(data){var node=new Comment;return node.ownerDocument=this,node.appendData(data),node},createCDATASection:function(data){var node=new CDATASection;return node.ownerDocument=this,node.appendData(data),node},createProcessingInstruction:function(target,data){var node=new ProcessingInstruction;return node.ownerDocument=this,node.tagName=node.target=target,node.nodeValue=node.data=data,node},createAttribute:function(name){var node=new Attr;return node.ownerDocument=this,node.name=name,node.nodeName=name,node.localName=name,node.specified=!0,node},createEntityReference:function(name){var node=new EntityReference;return node.ownerDocument=this,node.nodeName=name,node},createElementNS:function(namespaceURI,qualifiedName){var node=new Element,pl=qualifiedName.split(":"),attrs=node.attributes=new NamedNodeMap;return node.childNodes=new NodeList,node.ownerDocument=this,node.nodeName=qualifiedName,node.tagName=qualifiedName,node.namespaceURI=namespaceURI,2==pl.length?(node.prefix=pl[0],node.localName=pl[1]):node.localName=qualifiedName,attrs._ownerElement=node,node},createAttributeNS:function(namespaceURI,qualifiedName){var node=new Attr,pl=qualifiedName.split(":");return node.ownerDocument=this,node.nodeName=qualifiedName,node.name=qualifiedName,node.namespaceURI=namespaceURI,node.specified=!0,2==pl.length?(node.prefix=pl[0],node.localName=pl[1]):node.localName=qualifiedName,node}},_extends$1(Document,Node),Element.prototype={nodeType:ELEMENT_NODE,hasAttribute:function(name){return null!=this.getAttributeNode(name)},getAttribute:function(name){var attr=this.getAttributeNode(name);return attr&&attr.value||""},getAttributeNode:function(name){return this.attributes.getNamedItem(name)},setAttribute:function(name,value){var attr=this.ownerDocument.createAttribute(name);attr.value=attr.nodeValue=""+value,this.setAttributeNode(attr)},removeAttribute:function(name){var attr=this.getAttributeNode(name);attr&&this.removeAttributeNode(attr)},appendChild:function(newChild){return newChild.nodeType===DOCUMENT_FRAGMENT_NODE?this.insertBefore(newChild,null):function(parentNode,newChild){var cp=newChild.parentNode;if(cp){var pre=parentNode.lastChild;cp.removeChild(newChild),pre=parentNode.lastChild}return pre=parentNode.lastChild,newChild.parentNode=parentNode,newChild.previousSibling=pre,newChild.nextSibling=null,pre?pre.nextSibling=newChild:parentNode.firstChild=newChild,parentNode.lastChild=newChild,_onUpdateChild(parentNode.ownerDocument,parentNode,newChild),newChild}(this,newChild)},setAttributeNode:function(newAttr){return this.attributes.setNamedItem(newAttr)},setAttributeNodeNS:function(newAttr){return this.attributes.setNamedItemNS(newAttr)},removeAttributeNode:function(oldAttr){return this.attributes.removeNamedItem(oldAttr.nodeName)},removeAttributeNS:function(namespaceURI,localName){var old=this.getAttributeNodeNS(namespaceURI,localName);old&&this.removeAttributeNode(old)},hasAttributeNS:function(namespaceURI,localName){return null!=this.getAttributeNodeNS(namespaceURI,localName)},getAttributeNS:function(namespaceURI,localName){var attr=this.getAttributeNodeNS(namespaceURI,localName);return attr&&attr.value||""},setAttributeNS:function(namespaceURI,qualifiedName,value){var attr=this.ownerDocument.createAttributeNS(namespaceURI,qualifiedName);attr.value=attr.nodeValue=""+value,this.setAttributeNode(attr)},getAttributeNodeNS:function(namespaceURI,localName){return this.attributes.getNamedItemNS(namespaceURI,localName)},getElementsByTagName:function(tagName){return new LiveNodeList(this,(function(base){var ls=[];return _visitNode(base,(function(node){node===base||node.nodeType!=ELEMENT_NODE||"*"!==tagName&&node.tagName!=tagName||ls.push(node)})),ls}))},getElementsByTagNameNS:function(namespaceURI,localName){return new LiveNodeList(this,(function(base){var ls=[];return _visitNode(base,(function(node){node===base||node.nodeType!==ELEMENT_NODE||"*"!==namespaceURI&&node.namespaceURI!==namespaceURI||"*"!==localName&&node.localName!=localName||ls.push(node)})),ls}))}},Document.prototype.getElementsByTagName=Element.prototype.getElementsByTagName,Document.prototype.getElementsByTagNameNS=Element.prototype.getElementsByTagNameNS,_extends$1(Element,Node),Attr.prototype.nodeType=ATTRIBUTE_NODE,_extends$1(Attr,Node),CharacterData.prototype={data:"",substringData:function(offset,count){return this.data.substring(offset,offset+count)},appendData:function(text){text=this.data+text,this.nodeValue=this.data=text,this.length=text.length},insertData:function(offset,text){this.replaceData(offset,0,text)},appendChild:function(newChild){throw new Error(ExceptionMessage[HIERARCHY_REQUEST_ERR])},deleteData:function(offset,count){this.replaceData(offset,count,"")},replaceData:function(offset,count,text){text=this.data.substring(0,offset)+text+this.data.substring(offset+count),this.nodeValue=this.data=text,this.length=text.length}},_extends$1(CharacterData,Node),Text.prototype={nodeName:"#text",nodeType:TEXT_NODE,splitText:function(offset){var text=this.data,newText=text.substring(offset);text=text.substring(0,offset),this.data=this.nodeValue=text,this.length=text.length;var newNode=this.ownerDocument.createTextNode(newText);return this.parentNode&&this.parentNode.insertBefore(newNode,this.nextSibling),newNode}},_extends$1(Text,CharacterData),Comment.prototype={nodeName:"#comment",nodeType:COMMENT_NODE},_extends$1(Comment,CharacterData),CDATASection.prototype={nodeName:"#cdata-section",nodeType:CDATA_SECTION_NODE},_extends$1(CDATASection,CharacterData),DocumentType.prototype.nodeType=DOCUMENT_TYPE_NODE,_extends$1(DocumentType,Node),Notation.prototype.nodeType=NOTATION_NODE,_extends$1(Notation,Node),Entity.prototype.nodeType=ENTITY_NODE,_extends$1(Entity,Node),EntityReference.prototype.nodeType=ENTITY_REFERENCE_NODE,_extends$1(EntityReference,Node),DocumentFragment.prototype.nodeName="#document-fragment",DocumentFragment.prototype.nodeType=DOCUMENT_FRAGMENT_NODE,_extends$1(DocumentFragment,Node),ProcessingInstruction.prototype.nodeType=PROCESSING_INSTRUCTION_NODE,_extends$1(ProcessingInstruction,Node),XMLSerializer.prototype.serializeToString=function(node,isHtml,nodeFilter){return nodeSerializeToString.call(node,isHtml,nodeFilter)},Node.prototype.toString=nodeSerializeToString;try{if(Object.defineProperty){var getTextContent=function getTextContent(node){switch(node.nodeType){case ELEMENT_NODE:case DOCUMENT_FRAGMENT_NODE:var buf=[];for(node=node.firstChild;node;)7!==node.nodeType&&8!==node.nodeType&&buf.push(getTextContent(node)),node=node.nextSibling;return buf.join("");default:return node.nodeValue}};Object.defineProperty(LiveNodeList.prototype,"length",{get:function(){return _updateLiveList(this),this.$$length}}),Object.defineProperty(Node.prototype,"textContent",{get:function(){return getTextContent(this)},set:function(data){switch(this.nodeType){case ELEMENT_NODE:case DOCUMENT_FRAGMENT_NODE:for(;this.firstChild;)this.removeChild(this.firstChild);(data||String(data))&&this.appendChild(this.ownerDocument.createTextNode(data));break;default:this.data=data,this.value=data,this.nodeValue=data}}}),__set__=function(object,key,value){object["$$"+key]=value}}}catch(e){}var inspectMp4,_textifyMp,dom={DOMImplementation:DOMImplementation,XMLSerializer:XMLSerializer},domParser=createCommonjsModule((function(module,exports){function DOMParser(options){this.options=options||{locator:{}}}function DOMHandler(){this.cdata=!1}function position(locator,node){node.lineNumber=locator.lineNumber,node.columnNumber=locator.columnNumber}function _locator(l){if(l)return"\n@"+(l.systemId||"")+"#[line:"+l.lineNumber+",col:"+l.columnNumber+"]"}function _toString(chars,start,length){return"string"==typeof chars?chars.substr(start,length):chars.length>=start+length||start?new java.lang.String(chars,start,length)+"":chars}function appendElement(hander,node){hander.currentElement?hander.currentElement.appendChild(node):hander.doc.appendChild(node)}DOMParser.prototype.parseFromString=function(source,mimeType){var options=this.options,sax=new XMLReader,domBuilder=options.domBuilder||new DOMHandler,errorHandler=options.errorHandler,locator=options.locator,defaultNSMap=options.xmlns||{},entityMap={lt:"<",gt:">",amp:"&",quot:'"',apos:"'"};return locator&&domBuilder.setDocumentLocator(locator),sax.errorHandler=function(errorImpl,domBuilder,locator){if(!errorImpl){if(domBuilder instanceof DOMHandler)return domBuilder;errorImpl=domBuilder}var errorHandler={},isCallback=errorImpl instanceof Function;function build(key){var fn=errorImpl[key];!fn&&isCallback&&(fn=2==errorImpl.length?function(msg){errorImpl(key,msg)}:errorImpl),errorHandler[key]=fn&&function(msg){fn("[xmldom "+key+"]\t"+msg+_locator(locator))}||function(){}}return locator=locator||{},build("warning"),build("error"),build("fatalError"),errorHandler}(errorHandler,domBuilder,locator),sax.domBuilder=options.domBuilder||domBuilder,/\/x?html?$/.test(mimeType)&&(entityMap.nbsp=" ",entityMap.copy="©",defaultNSMap[""]="http://www.w3.org/1999/xhtml"),defaultNSMap.xml=defaultNSMap.xml||"http://www.w3.org/XML/1998/namespace",source?sax.parse(source,defaultNSMap,entityMap):sax.errorHandler.error("invalid doc source"),domBuilder.doc},DOMHandler.prototype={startDocument:function(){this.doc=(new DOMImplementation).createDocument(null,null,null),this.locator&&(this.doc.documentURI=this.locator.systemId)},startElement:function(namespaceURI,localName,qName,attrs){var doc=this.doc,el=doc.createElementNS(namespaceURI,qName||localName),len=attrs.length;appendElement(this,el),this.currentElement=el,this.locator&&position(this.locator,el);for(var i=0;i<len;i++){namespaceURI=attrs.getURI(i);var value=attrs.getValue(i),attr=(qName=attrs.getQName(i),doc.createAttributeNS(namespaceURI,qName));this.locator&&position(attrs.getLocator(i),attr),attr.value=attr.nodeValue=value,el.setAttributeNode(attr)}},endElement:function(namespaceURI,localName,qName){var current=this.currentElement;current.tagName,this.currentElement=current.parentNode},startPrefixMapping:function(prefix,uri){},endPrefixMapping:function(prefix){},processingInstruction:function(target,data){var ins=this.doc.createProcessingInstruction(target,data);this.locator&&position(this.locator,ins),appendElement(this,ins)},ignorableWhitespace:function(ch,start,length){},characters:function(chars,start,length){if(chars=_toString.apply(this,arguments)){if(this.cdata)var charNode=this.doc.createCDATASection(chars);else charNode=this.doc.createTextNode(chars);this.currentElement?this.currentElement.appendChild(charNode):/^\s*$/.test(chars)&&this.doc.appendChild(charNode),this.locator&&position(this.locator,charNode)}},skippedEntity:function(name){},endDocument:function(){this.doc.normalize()},setDocumentLocator:function(locator){(this.locator=locator)&&(locator.lineNumber=0)},comment:function(chars,start,length){chars=_toString.apply(this,arguments);var comm=this.doc.createComment(chars);this.locator&&position(this.locator,comm),appendElement(this,comm)},startCDATA:function(){this.cdata=!0},endCDATA:function(){this.cdata=!1},startDTD:function(name,publicId,systemId){var impl=this.doc.implementation;if(impl&&impl.createDocumentType){var dt=impl.createDocumentType(name,publicId,systemId);this.locator&&position(this.locator,dt),appendElement(this,dt)}},warning:function(error){console.warn("[xmldom warning]\t"+error,_locator(this.locator))},error:function(_error){console.error("[xmldom error]\t"+_error,_locator(this.locator))},fatalError:function(error){throw console.error("[xmldom fatalError]\t"+error,_locator(this.locator)),error}},"endDTD,startEntity,endEntity,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,resolveEntity,getExternalSubset,notationDecl,unparsedEntityDecl".replace(/\w+/g,(function(key){DOMHandler.prototype[key]=function(){return null}}));var XMLReader=sax.XMLReader,DOMImplementation=exports.DOMImplementation=dom.DOMImplementation;exports.XMLSerializer=dom.XMLSerializer,exports.DOMParser=DOMParser})),domParser_3=(domParser.DOMImplementation,domParser.XMLSerializer,domParser.DOMParser),isObject$1=function(obj){return!!obj&&"object"===_typeof2(obj)},merge=function merge(){for(var _len=arguments.length,objects=new Array(_len),_key=0;_key<_len;_key++)objects[_key]=arguments[_key];return objects.reduce((function(result,source){return Object.keys(source).forEach((function(key){Array.isArray(result[key])&&Array.isArray(source[key])?result[key]=result[key].concat(source[key]):isObject$1(result[key])&&isObject$1(source[key])?result[key]=merge(result[key],source[key]):result[key]=source[key]})),result}),{})},flatten=function(lists){return lists.reduce((function(x,y){return x.concat(y)}),[])},from=function(list){if(!list.length)return[];for(var result=[],i=0;i<list.length;i++)result.push(list[i]);return result},errors_INVALID_NUMBER_OF_PERIOD="INVALID_NUMBER_OF_PERIOD",errors_DASH_EMPTY_MANIFEST="DASH_EMPTY_MANIFEST",errors_DASH_INVALID_XML="DASH_INVALID_XML",errors_NO_BASE_URL="NO_BASE_URL",errors_SEGMENT_TIME_UNSPECIFIED="SEGMENT_TIME_UNSPECIFIED",errors_UNSUPPORTED_UTC_TIMING_SCHEME="UNSUPPORTED_UTC_TIMING_SCHEME",urlTypeToSegment=function(_ref){var _ref$baseUrl=_ref.baseUrl,baseUrl=void 0===_ref$baseUrl?"":_ref$baseUrl,_ref$source=_ref.source,source=void 0===_ref$source?"":_ref$source,_ref$range=_ref.range,range=void 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0===_attributes$timescale2?1:_attributes$timescale2,duration=attributes.duration,_attributes$start=attributes.start,start=void 0===_attributes$start?0:_attributes$start,_attributes$minimumUp=attributes.minimumUpdatePeriod,minimumUpdatePeriod=void 0===_attributes$minimumUp?0:_attributes$minimumUp,_attributes$timeShift=attributes.timeShiftBufferDepth,timeShiftBufferDepth=void 0===_attributes$timeShift?1/0:_attributes$timeShift,now=(NOW+clientOffset)/1e3,periodStartWC=availabilityStartTime+start,periodDuration=now+minimumUpdatePeriod-periodStartWC,segmentCount=Math.ceil(periodDuration*timescale/duration),availableStart=Math.floor((now-periodStartWC-timeShiftBufferDepth)*timescale/duration),availableEnd=Math.floor((now-periodStartWC)*timescale/duration);return{start:Math.max(0,availableStart),end:Math.min(segmentCount,availableEnd)}}},parseByDuration=function(attributes){var _attributes$type=attributes.type,type=void 0===_attributes$type?"static":_attributes$type,duration=attributes.duration,_attributes$timescale4=attributes.timescale,timescale=void 0===_attributes$timescale4?1:_attributes$timescale4,sourceDuration=attributes.sourceDuration,_segmentRange$type=segmentRange[type](attributes),segments=function(start,end){for(var result=[],i=start;i<end;i++)result.push(i);return result}(_segmentRange$type.start,_segmentRange$type.end).map(function(attributes){return function(number,index){var duration=attributes.duration,_attributes$timescale3=attributes.timescale,timescale=void 0===_attributes$timescale3?1:_attributes$timescale3,periodIndex=attributes.periodIndex,_attributes$startNumb=attributes.startNumber;return{number:(void 0===_attributes$startNumb?1:_attributes$startNumb)+number,duration:duration/timescale,timeline:periodIndex,time:index*duration}}}(attributes));if("static"===type){var index=segments.length-1;segments[index].duration=sourceDuration-duration/timescale*index}return segments},segmentsFromBase=function(attributes){var baseUrl=attributes.baseUrl,_attributes$initializ=attributes.initialization,initialization=void 0===_attributes$initializ?{}:_attributes$initializ,sourceDuration=attributes.sourceDuration,_attributes$timescale=attributes.timescale,timescale=void 0===_attributes$timescale?1:_attributes$timescale,_attributes$indexRang=attributes.indexRange,indexRange=void 0===_attributes$indexRang?"":_attributes$indexRang,duration=attributes.duration;if(!baseUrl)throw new Error(errors_NO_BASE_URL);var initSegment=urlTypeToSegment({baseUrl:baseUrl,source:initialization.sourceURL,range:initialization.range}),segment=urlTypeToSegment({baseUrl:baseUrl,source:baseUrl,indexRange:indexRange});if(segment.map=initSegment,duration){var segmentTimeInfo=parseByDuration(attributes);segmentTimeInfo.length&&(segment.duration=segmentTimeInfo[0].duration,segment.timeline=segmentTimeInfo[0].timeline)}else sourceDuration&&(segment.duration=sourceDuration/timescale,segment.timeline=0);return segment.number=0,[segment]},addSegmentsToPlaylist=function(playlist,sidx,baseUrl){for(var initSegment=playlist.sidx.map?playlist.sidx.map:null,sourceDuration=playlist.sidx.duration,timeline=playlist.timeline||0,sidxByteRange=playlist.sidx.byterange,sidxEnd=sidxByteRange.offset+sidxByteRange.length,timescale=sidx.timescale,mediaReferences=sidx.references.filter((function(r){return 1!==r.referenceType})),segments=[],startIndex=sidxEnd+sidx.firstOffset,i=0;i<mediaReferences.length;i++){var reference=sidx.references[i],size=reference.referencedSize,duration=reference.subsegmentDuration,segment=segmentsFromBase({baseUrl:baseUrl,timescale:timescale,timeline:timeline,periodIndex:timeline,duration:duration,sourceDuration:sourceDuration,indexRange:startIndex+"-"+(startIndex+size-1)})[0];initSegment&&(segment.map=initSegment),segments.push(segment),startIndex+=size}return playlist.segments=segments,playlist},mergeDiscontiguousPlaylists=function(playlists){var o;return(o=playlists.reduce((function(acc,playlist){var _acc$name$segments,name=playlist.attributes.id+(playlist.attributes.lang||"");return acc[name]?(playlist.segments[0]&&(playlist.segments[0].discontinuity=!0),(_acc$name$segments=acc[name].segments).push.apply(_acc$name$segments,playlist.segments),playlist.attributes.contentProtection&&(acc[name].attributes.contentProtection=playlist.attributes.contentProtection)):acc[name]=playlist,acc}),{}),Object.keys(o).map((function(k){return o[k]}))).map((function(playlist){var l,key;return playlist.discontinuityStarts=(l=playlist.segments,key="discontinuity",l.reduce((function(a,e,i){return e[key]&&a.push(i),a}),[])),playlist}))},addSegmentInfoFromSidx=function(playlists,sidxMapping){if(void 0===sidxMapping&&(sidxMapping={}),!Object.keys(sidxMapping).length)return playlists;for(var i in playlists){var playlist=playlists[i];if(playlist.sidx){var sidxKey=playlist.sidx.uri+"-"+(byterange=playlist.sidx.byterange,endRange=void 0,endRange=byterange.offset+byterange.length-1,byterange.offset+"-"+endRange),sidxMatch=sidxMapping[sidxKey]&&sidxMapping[sidxKey].sidx;playlist.sidx&&sidxMatch&&addSegmentsToPlaylist(playlist,sidxMatch,playlist.sidx.resolvedUri)}}var byterange,endRange;return playlists},formatAudioPlaylist=function(_ref){var _attributes,attributes=_ref.attributes,segments=_ref.segments,sidx=_ref.sidx,playlist={attributes:(_attributes={NAME:attributes.id,BANDWIDTH:attributes.bandwidth,CODECS:attributes.codecs},_attributes["PROGRAM-ID"]=1,_attributes),uri:"",endList:"static"===(attributes.type||"static"),timeline:attributes.periodIndex,resolvedUri:"",targetDuration:attributes.duration,segments:segments,mediaSequence:segments.length?segments[0].number:1};return attributes.contentProtection&&(playlist.contentProtection=attributes.contentProtection),sidx&&(playlist.sidx=sidx),playlist},formatVideoPlaylist=function(_ref3){var _attributes3,attributes=_ref3.attributes,segments=_ref3.segments,sidx=_ref3.sidx,playlist={attributes:(_attributes3={NAME:attributes.id,AUDIO:"audio",SUBTITLES:"subs",RESOLUTION:{width:attributes.width,height:attributes.height},CODECS:attributes.codecs,BANDWIDTH:attributes.bandwidth},_attributes3["PROGRAM-ID"]=1,_attributes3),uri:"",endList:"static"===(attributes.type||"static"),timeline:attributes.periodIndex,resolvedUri:"",targetDuration:attributes.duration,segments:segments,mediaSequence:segments.length?segments[0].number:1};return attributes.contentProtection&&(playlist.contentProtection=attributes.contentProtection),sidx&&(playlist.sidx=sidx),playlist},toM3u8=function(dashPlaylists,sidxMapping){var _mediaGroups;if(void 0===sidxMapping&&(sidxMapping={}),!dashPlaylists.length)return{};var _dashPlaylists$0$attr=dashPlaylists[0].attributes,duration=_dashPlaylists$0$attr.sourceDuration,_dashPlaylists$0$attr2=_dashPlaylists$0$attr.type,type=void 0===_dashPlaylists$0$attr2?"static":_dashPlaylists$0$attr2,suggestedPresentationDelay=_dashPlaylists$0$attr.suggestedPresentationDelay,_dashPlaylists$0$attr3=_dashPlaylists$0$attr.minimumUpdatePeriod,minimumUpdatePeriod=void 0===_dashPlaylists$0$attr3?0:_dashPlaylists$0$attr3,videoPlaylists=mergeDiscontiguousPlaylists(dashPlaylists.filter((function(_ref4){var attributes=_ref4.attributes;return"video/mp4"===attributes.mimeType||"video"===attributes.contentType}))).map(formatVideoPlaylist),audioPlaylists=mergeDiscontiguousPlaylists(dashPlaylists.filter((function(_ref5){var attributes=_ref5.attributes;return"audio/mp4"===attributes.mimeType||"audio"===attributes.contentType}))),vttPlaylists=dashPlaylists.filter((function(_ref6){var attributes=_ref6.attributes;return"text/vtt"===attributes.mimeType||"text"===attributes.contentType})),master={allowCache:!0,discontinuityStarts:[],segments:[],endList:!0,mediaGroups:(_mediaGroups={AUDIO:{},VIDEO:{}},_mediaGroups["CLOSED-CAPTIONS"]={},_mediaGroups.SUBTITLES={},_mediaGroups),uri:"",duration:duration,playlists:addSegmentInfoFromSidx(videoPlaylists,sidxMapping),minimumUpdatePeriod:1e3*minimumUpdatePeriod};return"dynamic"===type&&(master.suggestedPresentationDelay=suggestedPresentationDelay),audioPlaylists.length&&(master.mediaGroups.AUDIO.audio=function(playlists,sidxMapping){var mainPlaylist;void 0===sidxMapping&&(sidxMapping={});var formattedPlaylists=playlists.reduce((function(a,playlist){var role=playlist.attributes.role&&playlist.attributes.role.value||"",language=playlist.attributes.lang||"",label="main";if(language){var roleLabel=role?" ("+role+")":"";label=""+playlist.attributes.lang+roleLabel}return a[label]&&a[label].playlists[0].attributes.BANDWIDTH>playlist.attributes.bandwidth||(a[label]={language:language,autoselect:!0,default:"main"===role,playlists:addSegmentInfoFromSidx([formatAudioPlaylist(playlist)],sidxMapping),uri:""},void 0===mainPlaylist&&"main"===role&&((mainPlaylist=playlist).default=!0)),a}),{});return mainPlaylist||(formattedPlaylists[Object.keys(formattedPlaylists)[0]].default=!0),formattedPlaylists}(audioPlaylists,sidxMapping)),vttPlaylists.length&&(master.mediaGroups.SUBTITLES.subs=function(playlists,sidxMapping){return void 0===sidxMapping&&(sidxMapping={}),playlists.reduce((function(a,playlist){var _ref2,_attributes2,attributes,segments,label=playlist.attributes.lang||"text";return a[label]||(a[label]={language:label,default:!1,autoselect:!1,playlists:addSegmentInfoFromSidx([(_ref2=playlist,attributes=_ref2.attributes,segments=_ref2.segments,void 0===segments&&(segments=[{uri:attributes.baseUrl,timeline:attributes.periodIndex,resolvedUri:attributes.baseUrl||"",duration:attributes.sourceDuration,number:0}],attributes.duration=attributes.sourceDuration),{attributes:(_attributes2={NAME:attributes.id,BANDWIDTH:attributes.bandwidth},_attributes2["PROGRAM-ID"]=1,_attributes2),uri:"",endList:"static"===(attributes.type||"static"),timeline:attributes.periodIndex,resolvedUri:attributes.baseUrl||"",targetDuration:attributes.duration,segments:segments,mediaSequence:segments.length?segments[0].number:1})],sidxMapping),uri:""}),a}),{})}(vttPlaylists,sidxMapping)),master},getLiveRValue=function(attributes,time,duration){var NOW=attributes.NOW,clientOffset=attributes.clientOffset,availabilityStartTime=attributes.availabilityStartTime,_attributes$timescale=attributes.timescale,timescale=void 0===_attributes$timescale?1:_attributes$timescale,_attributes$start=attributes.start,start=void 0===_attributes$start?0:_attributes$start,_attributes$minimumUp=attributes.minimumUpdatePeriod,periodDuration=(NOW+clientOffset)/1e3+(void 0===_attributes$minimumUp?0:_attributes$minimumUp)-(availabilityStartTime+start);return Math.ceil((periodDuration*timescale-time)/duration)},parseByTimeline=function(attributes,segmentTimeline){for(var _attributes$type=attributes.type,type=void 0===_attributes$type?"static":_attributes$type,_attributes$minimumUp2=attributes.minimumUpdatePeriod,minimumUpdatePeriod=void 0===_attributes$minimumUp2?0:_attributes$minimumUp2,_attributes$media=attributes.media,media=void 0===_attributes$media?"":_attributes$media,sourceDuration=attributes.sourceDuration,_attributes$timescale2=attributes.timescale,timescale=void 0===_attributes$timescale2?1:_attributes$timescale2,_attributes$startNumb=attributes.startNumber,startNumber=void 0===_attributes$startNumb?1:_attributes$startNumb,timeline=attributes.periodIndex,segments=[],time=-1,sIndex=0;sIndex<segmentTimeline.length;sIndex++){var S=segmentTimeline[sIndex],duration=S.d,repeat=S.r||0,segmentTime=S.t||0;time<0&&(time=segmentTime),segmentTime&&segmentTime>time&&(time=segmentTime);var count=void 0;if(repeat<0){var nextS=sIndex+1;count=nextS===segmentTimeline.length?"dynamic"===type&&minimumUpdatePeriod>0&&media.indexOf("$Number$")>0?getLiveRValue(attributes,time,duration):(sourceDuration*timescale-time)/duration:(segmentTimeline[nextS].t-time)/duration}else count=repeat+1;for(var end=startNumber+segments.length+count,number=startNumber+segments.length;number<end;)segments.push({number:number,duration:duration/timescale,time:time,timeline:timeline}),time+=duration,number++}return segments},identifierPattern=/\$([A-z]*)(?:(%0)([0-9]+)d)?\$/g,constructTemplateUrl=function(url,values){return url.replace(identifierPattern,function(values){return function(match,identifier,format,width){if("$$"===match)return"$";if(void 0===values[identifier])return match;var value=""+values[identifier];return"RepresentationID"===identifier?value:(width=format?parseInt(width,10):1,value.length>=width?value:""+new Array(width-value.length+1).join("0")+value)}}(values))},segmentsFromTemplate=function(attributes,segmentTimeline){var templateValues={RepresentationID:attributes.id,Bandwidth:attributes.bandwidth||0},_attributes$initializ=attributes.initialization,initialization=void 0===_attributes$initializ?{sourceURL:"",range:""}:_attributes$initializ,mapSegment=urlTypeToSegment({baseUrl:attributes.baseUrl,source:constructTemplateUrl(initialization.sourceURL,templateValues),range:initialization.range}),segments=function(attributes,segmentTimeline){return attributes.duration||segmentTimeline?attributes.duration?parseByDuration(attributes):parseByTimeline(attributes,segmentTimeline):[{number:attributes.startNumber||1,duration:attributes.sourceDuration,time:0,timeline:attributes.periodIndex}]}(attributes,segmentTimeline);return segments.map((function(segment){templateValues.Number=segment.number,templateValues.Time=segment.time;var uri=constructTemplateUrl(attributes.media||"",templateValues);return{uri:uri,timeline:segment.timeline,duration:segment.duration,resolvedUri:resolveUrl_1(attributes.baseUrl||"",uri),map:mapSegment,number:segment.number}}))},segmentsFromList=function(attributes,segmentTimeline){var duration=attributes.duration,_attributes$segmentUr=attributes.segmentUrls,segmentUrls=void 0===_attributes$segmentUr?[]:_attributes$segmentUr;if(!duration&&!segmentTimeline||duration&&segmentTimeline)throw new Error(errors_SEGMENT_TIME_UNSPECIFIED);var segmentTimeInfo,segmentUrlMap=segmentUrls.map((function(segmentUrlObject){return function(attributes,segmentUrl){var baseUrl=attributes.baseUrl,_attributes$initializ=attributes.initialization,initialization=void 0===_attributes$initializ?{}:_attributes$initializ,initSegment=urlTypeToSegment({baseUrl:baseUrl,source:initialization.sourceURL,range:initialization.range}),segment=urlTypeToSegment({baseUrl:baseUrl,source:segmentUrl.media,range:segmentUrl.mediaRange});return segment.map=initSegment,segment}(attributes,segmentUrlObject)}));return duration&&(segmentTimeInfo=parseByDuration(attributes)),segmentTimeline&&(segmentTimeInfo=parseByTimeline(attributes,segmentTimeline)),segmentTimeInfo.map((function(segmentTime,index){if(segmentUrlMap[index]){var segment=segmentUrlMap[index];return segment.timeline=segmentTime.timeline,segment.duration=segmentTime.duration,segment.number=segmentTime.number,segment}})).filter((function(segment){return segment}))},generateSegments=function(_ref){var segmentAttributes,segmentsFn,attributes=_ref.attributes,segmentInfo=_ref.segmentInfo;segmentInfo.template?(segmentsFn=segmentsFromTemplate,segmentAttributes=merge(attributes,segmentInfo.template)):segmentInfo.base?(segmentsFn=segmentsFromBase,segmentAttributes=merge(attributes,segmentInfo.base)):segmentInfo.list&&(segmentsFn=segmentsFromList,segmentAttributes=merge(attributes,segmentInfo.list));var segmentsInfo={attributes:attributes};if(!segmentsFn)return segmentsInfo;var segments=segmentsFn(segmentAttributes,segmentInfo.timeline);if(segmentAttributes.duration){var _segmentAttributes=segmentAttributes,duration=_segmentAttributes.duration,_segmentAttributes$ti=_segmentAttributes.timescale,timescale=void 0===_segmentAttributes$ti?1:_segmentAttributes$ti;segmentAttributes.duration=duration/timescale}else segments.length?segmentAttributes.duration=segments.reduce((function(max,segment){return Math.max(max,Math.ceil(segment.duration))}),0):segmentAttributes.duration=0;return segmentsInfo.attributes=segmentAttributes,segmentsInfo.segments=segments,segmentInfo.base&&segmentAttributes.indexRange&&(segmentsInfo.sidx=segments[0],segmentsInfo.segments=[]),segmentsInfo},findChildren=function(element,name){return from(element.childNodes).filter((function(_ref){return _ref.tagName===name}))},getContent=function(element){return element.textContent.trim()},parseDuration=function(str){var match=/P(?:(\d*)Y)?(?:(\d*)M)?(?:(\d*)D)?(?:T(?:(\d*)H)?(?:(\d*)M)?(?:([\d.]*)S)?)?/.exec(str);if(!match)return 0;var _match$slice=match.slice(1),year=_match$slice[0],month=_match$slice[1],day=_match$slice[2],hour=_match$slice[3],minute=_match$slice[4],second=_match$slice[5];return 31536e3*parseFloat(year||0)+2592e3*parseFloat(month||0)+86400*parseFloat(day||0)+3600*parseFloat(hour||0)+60*parseFloat(minute||0)+parseFloat(second||0)},parsers={mediaPresentationDuration:function(value){return parseDuration(value)},availabilityStartTime:function(value){return/^\d+-\d+-\d+T\d+:\d+:\d+(\.\d+)?$/.test(str=value)&&(str+="Z"),Date.parse(str)/1e3;var str},minimumUpdatePeriod:function(value){return parseDuration(value)},suggestedPresentationDelay:function(value){return parseDuration(value)},type:function(value){return value},timeShiftBufferDepth:function(value){return parseDuration(value)},start:function(value){return parseDuration(value)},width:function(value){return parseInt(value,10)},height:function(value){return parseInt(value,10)},bandwidth:function(value){return parseInt(value,10)},startNumber:function(value){return parseInt(value,10)},timescale:function(value){return parseInt(value,10)},duration:function(value){var parsedValue=parseInt(value,10);return isNaN(parsedValue)?parseDuration(value):parsedValue},d:function(value){return parseInt(value,10)},t:function(value){return parseInt(value,10)},r:function(value){return parseInt(value,10)},DEFAULT:function(value){return value}},parseAttributes$1=function(el){return el&&el.attributes?from(el.attributes).reduce((function(a,e){var parseFn=parsers[e.name]||parsers.DEFAULT;return a[e.name]=parseFn(e.value),a}),{}):{}},keySystemsMap={"urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b":"org.w3.clearkey","urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed":"com.widevine.alpha","urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95":"com.microsoft.playready","urn:uuid:f239e769-efa3-4850-9c16-a903c6932efb":"com.adobe.primetime"},buildBaseUrls=function(referenceUrls,baseUrlElements){return baseUrlElements.length?flatten(referenceUrls.map((function(reference){return baseUrlElements.map((function(baseUrlElement){return resolveUrl_1(reference,getContent(baseUrlElement))}))}))):referenceUrls},getSegmentInformation=function(adaptationSet){var segmentTemplate=findChildren(adaptationSet,"SegmentTemplate")[0],segmentList=findChildren(adaptationSet,"SegmentList")[0],segmentUrls=segmentList&&findChildren(segmentList,"SegmentURL").map((function(s){return merge({tag:"SegmentURL"},parseAttributes$1(s))})),segmentBase=findChildren(adaptationSet,"SegmentBase")[0],segmentTimelineParentNode=segmentList||segmentTemplate,segmentTimeline=segmentTimelineParentNode&&findChildren(segmentTimelineParentNode,"SegmentTimeline")[0],segmentInitializationParentNode=segmentList||segmentBase||segmentTemplate,segmentInitialization=segmentInitializationParentNode&&findChildren(segmentInitializationParentNode,"Initialization")[0],template=segmentTemplate&&parseAttributes$1(segmentTemplate);template&&segmentInitialization?template.initialization=segmentInitialization&&parseAttributes$1(segmentInitialization):template&&template.initialization&&(template.initialization={sourceURL:template.initialization});var segmentInfo={template:template,timeline:segmentTimeline&&findChildren(segmentTimeline,"S").map((function(s){return parseAttributes$1(s)})),list:segmentList&&merge(parseAttributes$1(segmentList),{segmentUrls:segmentUrls,initialization:parseAttributes$1(segmentInitialization)}),base:segmentBase&&merge(parseAttributes$1(segmentBase),{initialization:parseAttributes$1(segmentInitialization)})};return Object.keys(segmentInfo).forEach((function(key){segmentInfo[key]||delete segmentInfo[key]})),segmentInfo},toRepresentations=function(periodAttributes,periodBaseUrls,periodSegmentInfo){return function(adaptationSet){var adaptationSetAttributes=parseAttributes$1(adaptationSet),adaptationSetBaseUrls=buildBaseUrls(periodBaseUrls,findChildren(adaptationSet,"BaseURL")),role=findChildren(adaptationSet,"Role")[0],roleAttributes={role:parseAttributes$1(role)},attrs=merge(periodAttributes,adaptationSetAttributes,roleAttributes),contentProtection=findChildren(adaptationSet,"ContentProtection").reduce((function(acc,node){var attributes=parseAttributes$1(node),keySystem=keySystemsMap[attributes.schemeIdUri];if(keySystem){acc[keySystem]={attributes:attributes};var psshNode=findChildren(node,"cenc:pssh")[0];if(psshNode){var pssh=getContent(psshNode),psshBuffer=pssh&&decodeB64ToUint8Array_1(pssh);acc[keySystem].pssh=psshBuffer}}return acc}),{});Object.keys(contentProtection).length&&(attrs=merge(attrs,{contentProtection:contentProtection}));var segmentInfo=getSegmentInformation(adaptationSet),representations=findChildren(adaptationSet,"Representation"),adaptationSetSegmentInfo=merge(periodSegmentInfo,segmentInfo);return flatten(representations.map(function(adaptationSetAttributes,adaptationSetBaseUrls,adaptationSetSegmentInfo){return function(representation){var repBaseUrlElements=findChildren(representation,"BaseURL"),repBaseUrls=buildBaseUrls(adaptationSetBaseUrls,repBaseUrlElements),attributes=merge(adaptationSetAttributes,parseAttributes$1(representation)),representationSegmentInfo=getSegmentInformation(representation);return repBaseUrls.map((function(baseUrl){return{segmentInfo:merge(adaptationSetSegmentInfo,representationSegmentInfo),attributes:merge(attributes,{baseUrl:baseUrl})}}))}}(attrs,adaptationSetBaseUrls,adaptationSetSegmentInfo)))}},inheritAttributes=function(mpd,options){void 0===options&&(options={});var _options=options,_options$manifestUri=_options.manifestUri,manifestUri=void 0===_options$manifestUri?"":_options$manifestUri,_options$NOW=_options.NOW,NOW=void 0===_options$NOW?Date.now():_options$NOW,_options$clientOffset=_options.clientOffset,clientOffset=void 0===_options$clientOffset?0:_options$clientOffset,periods=findChildren(mpd,"Period");if(!periods.length)throw new Error(errors_INVALID_NUMBER_OF_PERIOD);var mpdAttributes=parseAttributes$1(mpd),mpdBaseUrls=buildBaseUrls([manifestUri],findChildren(mpd,"BaseURL"));return mpdAttributes.sourceDuration=mpdAttributes.mediaPresentationDuration||0,mpdAttributes.NOW=NOW,mpdAttributes.clientOffset=clientOffset,flatten(periods.map(function(mpdAttributes,mpdBaseUrls){return function(period,index){var periodBaseUrls=buildBaseUrls(mpdBaseUrls,findChildren(period,"BaseURL")),periodAtt=parseAttributes$1(period),parsedPeriodId=parseInt(periodAtt.id,10),periodIndex=window$3.isNaN(parsedPeriodId)?index:parsedPeriodId,periodAttributes=merge(mpdAttributes,{periodIndex:periodIndex}),adaptationSets=findChildren(period,"AdaptationSet"),periodSegmentInfo=getSegmentInformation(period);return flatten(adaptationSets.map(toRepresentations(periodAttributes,periodBaseUrls,periodSegmentInfo)))}}(mpdAttributes,mpdBaseUrls)))},stringToMpdXml=function(manifestString){if(""===manifestString)throw new Error(errors_DASH_EMPTY_MANIFEST);var xml=(new domParser_3).parseFromString(manifestString,"application/xml"),mpd=xml&&"MPD"===xml.documentElement.tagName?xml.documentElement:null;if(!mpd||mpd&&mpd.getElementsByTagName("parsererror").length>0)throw new Error(errors_DASH_INVALID_XML);return mpd},parse=function(manifestString,options){return void 0===options&&(options={}),toM3u8(inheritAttributes(stringToMpdXml(manifestString),options).map(generateSegments),options.sidxMapping)},parseUTCTiming=function(manifestString){return function(mpd){var UTCTimingNode=findChildren(mpd,"UTCTiming")[0];if(!UTCTimingNode)return null;var attributes=parseAttributes$1(UTCTimingNode);switch(attributes.schemeIdUri){case"urn:mpeg:dash:utc:http-head:2014":case"urn:mpeg:dash:utc:http-head:2012":attributes.method="HEAD";break;case"urn:mpeg:dash:utc:http-xsdate:2014":case"urn:mpeg:dash:utc:http-iso:2014":case"urn:mpeg:dash:utc:http-xsdate:2012":case"urn:mpeg:dash:utc:http-iso:2012":attributes.method="GET";break;case"urn:mpeg:dash:utc:direct:2014":case"urn:mpeg:dash:utc:direct:2012":attributes.method="DIRECT",attributes.value=Date.parse(attributes.value);break;default:throw new Error(errors_UNSUPPORTED_UTC_TIMING_SCHEME)}return attributes}(stringToMpdXml(manifestString))},bin_toUnsigned=function(value){return value>>>0},bin_toHexString=function(value){return("00"+value.toString(16)).slice(-2)},toUnsigned$1=bin_toUnsigned,parseMp4Date=function(seconds){return new Date(1e3*seconds-20828448e5)},parseSampleFlags=function(flags){return{isLeading:(12&flags[0])>>>2,dependsOn:3&flags[0],isDependedOn:(192&flags[1])>>>6,hasRedundancy:(48&flags[1])>>>4,paddingValue:(14&flags[1])>>>1,isNonSyncSample:1&flags[1],degradationPriority:flags[2]<<8|flags[3]}},parseType=function(buffer){var result="";return result+=String.fromCharCode(buffer[0]),result+=String.fromCharCode(buffer[1]),result+=String.fromCharCode(buffer[2]),result+=String.fromCharCode(buffer[3])},nalParse=function(avcStream){var i,length,avcView=new DataView(avcStream.buffer,avcStream.byteOffset,avcStream.byteLength),result=[];for(i=0;i+4<avcStream.length;i+=length)if(length=avcView.getUint32(i),i+=4,length<=0)result.push("<span style='color:red;'>MALFORMED DATA</span>");else switch(31&avcStream[i]){case 1:result.push("slice_layer_without_partitioning_rbsp");break;case 5:result.push("slice_layer_without_partitioning_rbsp_idr");break;case 6:result.push("sei_rbsp");break;case 7:result.push("seq_parameter_set_rbsp");break;case 8:result.push("pic_parameter_set_rbsp");break;case 9:result.push("access_unit_delimiter_rbsp");break;default:result.push("UNKNOWN NAL - "+avcStream[i]&31)}return result},parse$1={avc1:function(data){var view=new DataView(data.buffer,data.byteOffset,data.byteLength);return{dataReferenceIndex:view.getUint16(6),width:view.getUint16(24),height:view.getUint16(26),horizresolution:view.getUint16(28)+view.getUint16(30)/16,vertresolution:view.getUint16(32)+view.getUint16(34)/16,frameCount:view.getUint16(40),depth:view.getUint16(74),config:inspectMp4(data.subarray(78,data.byteLength))}},avcC:function(data){var numOfPictureParameterSets,nalSize,offset,i,view=new DataView(data.buffer,data.byteOffset,data.byteLength),result={configurationVersion:data[0],avcProfileIndication:data[1],profileCompatibility:data[2],avcLevelIndication:data[3],lengthSizeMinusOne:3&data[4],sps:[],pps:[]},numOfSequenceParameterSets=31&data[5];for(offset=6,i=0;i<numOfSequenceParameterSets;i++)nalSize=view.getUint16(offset),offset+=2,result.sps.push(new Uint8Array(data.subarray(offset,offset+nalSize))),offset+=nalSize;for(numOfPictureParameterSets=data[offset],offset++,i=0;i<numOfPictureParameterSets;i++)nalSize=view.getUint16(offset),offset+=2,result.pps.push(new Uint8Array(data.subarray(offset,offset+nalSize))),offset+=nalSize;return result},btrt:function(data){var view=new DataView(data.buffer,data.byteOffset,data.byteLength);return{bufferSizeDB:view.getUint32(0),maxBitrate:view.getUint32(4),avgBitrate:view.getUint32(8)}},esds:function(data){return{version:data[0],flags:new Uint8Array(data.subarray(1,4)),esId:data[6]<<8|data[7],streamPriority:31&data[8],decoderConfig:{objectProfileIndication:data[11],streamType:data[12]>>>2&63,bufferSize:data[13]<<16|data[14]<<8|data[15],maxBitrate:data[16]<<24|data[17]<<16|data[18]<<8|data[19],avgBitrate:data[20]<<24|data[21]<<16|data[22]<<8|data[23],decoderConfigDescriptor:{tag:data[24],length:data[25],audioObjectType:data[26]>>>3&31,samplingFrequencyIndex:(7&data[26])<<1|data[27]>>>7&1,channelConfiguration:data[27]>>>3&15}}}},ftyp:function(data){for(var view=new DataView(data.buffer,data.byteOffset,data.byteLength),result={majorBrand:parseType(data.subarray(0,4)),minorVersion:view.getUint32(4),compatibleBrands:[]},i=8;i<data.byteLength;)result.compatibleBrands.push(parseType(data.subarray(i,i+4))),i+=4;return result},dinf:function(data){return{boxes:inspectMp4(data)}},dref:function(data){return{version:data[0],flags:new Uint8Array(data.subarray(1,4)),dataReferences:inspectMp4(data.subarray(8))}},hdlr:function(data){var result={version:new DataView(data.buffer,data.byteOffset,data.byteLength).getUint8(0),flags:new Uint8Array(data.subarray(1,4)),handlerType:parseType(data.subarray(8,12)),name:""},i=8;for(i=24;i<data.byteLength;i++){if(0===data[i]){i++;break}result.name+=String.fromCharCode(data[i])}return result.name=decodeURIComponent(escape(result.name)),result},mdat:function(data){return{byteLength:data.byteLength,nals:nalParse(data)}},mdhd:function(data){var language,view=new DataView(data.buffer,data.byteOffset,data.byteLength),i=4,result={version:view.getUint8(0),flags:new Uint8Array(data.subarray(1,4)),language:""};return 1===result.version?(i+=4,result.creationTime=parseMp4Date(view.getUint32(i)),i+=8,result.modificationTime=parseMp4Date(view.getUint32(i)),i+=4,result.timescale=view.getUint32(i),i+=8,result.duration=view.getUint32(i)):(result.creationTime=parseMp4Date(view.getUint32(i)),i+=4,result.modificationTime=parseMp4Date(view.getUint32(i)),i+=4,result.timescale=view.getUint32(i),i+=4,result.duration=view.getUint32(i)),i+=4,language=view.getUint16(i),result.language+=String.fromCharCode(96+(language>>10)),result.language+=String.fromCharCode(96+((992&language)>>5)),result.language+=String.fromCharCode(96+(31&language)),result},mdia:function(data){return{boxes:inspectMp4(data)}},mfhd:function(data){return{version:data[0],flags:new Uint8Array(data.subarray(1,4)),sequenceNumber:data[4]<<24|data[5]<<16|data[6]<<8|data[7]}},minf:function(data){return{boxes:inspectMp4(data)}},mp4a:function(data){var view=new DataView(data.buffer,data.byteOffset,data.byteLength),result={dataReferenceIndex:view.getUint16(6),channelcount:view.getUint16(16),samplesize:view.getUint16(18),samplerate:view.getUint16(24)+view.getUint16(26)/65536};return data.byteLength>28&&(result.streamDescriptor=inspectMp4(data.subarray(28))[0]),result},moof:function(data){return{boxes:inspectMp4(data)}},moov:function(data){return{boxes:inspectMp4(data)}},mvex:function(data){return{boxes:inspectMp4(data)}},mvhd:function(data){var view=new DataView(data.buffer,data.byteOffset,data.byteLength),i=4,result={version:view.getUint8(0),flags:new Uint8Array(data.subarray(1,4))};return 1===result.version?(i+=4,result.creationTime=parseMp4Date(view.getUint32(i)),i+=8,result.modificationTime=parseMp4Date(view.getUint32(i)),i+=4,result.timescale=view.getUint32(i),i+=8,result.duration=view.getUint32(i)):(result.creationTime=parseMp4Date(view.getUint32(i)),i+=4,result.modificationTime=parseMp4Date(view.getUint32(i)),i+=4,result.timescale=view.getUint32(i),i+=4,result.duration=view.getUint32(i)),i+=4,result.rate=view.getUint16(i)+view.getUint16(i+2)/16,i+=4,result.volume=view.getUint8(i)+view.getUint8(i+1)/8,i+=2,i+=2,i+=8,result.matrix=new Uint32Array(data.subarray(i,i+36)),i+=36,i+=24,result.nextTrackId=view.getUint32(i),result},pdin:function(data){var view=new DataView(data.buffer,data.byteOffset,data.byteLength);return{version:view.getUint8(0),flags:new Uint8Array(data.subarray(1,4)),rate:view.getUint32(4),initialDelay:view.getUint32(8)}},sdtp:function(data){var i,result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),samples:[]};for(i=4;i<data.byteLength;i++)result.samples.push({dependsOn:(48&data[i])>>4,isDependedOn:(12&data[i])>>2,hasRedundancy:3&data[i]});return result},sidx:function(data){var i,view=new DataView(data.buffer,data.byteOffset,data.byteLength),result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),references:[],referenceId:view.getUint32(4),timescale:view.getUint32(8),earliestPresentationTime:view.getUint32(12),firstOffset:view.getUint32(16)},referenceCount=view.getUint16(22);for(i=24;referenceCount;i+=12,referenceCount--)result.references.push({referenceType:(128&data[i])>>>7,referencedSize:2147483647&view.getUint32(i),subsegmentDuration:view.getUint32(i+4),startsWithSap:!!(128&data[i+8]),sapType:(112&data[i+8])>>>4,sapDeltaTime:268435455&view.getUint32(i+8)});return result},smhd:function(data){return{version:data[0],flags:new Uint8Array(data.subarray(1,4)),balance:data[4]+data[5]/256}},stbl:function(data){return{boxes:inspectMp4(data)}},stco:function(data){var i,view=new DataView(data.buffer,data.byteOffset,data.byteLength),result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),chunkOffsets:[]},entryCount=view.getUint32(4);for(i=8;entryCount;i+=4,entryCount--)result.chunkOffsets.push(view.getUint32(i));return result},stsc:function(data){var i,view=new DataView(data.buffer,data.byteOffset,data.byteLength),entryCount=view.getUint32(4),result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),sampleToChunks:[]};for(i=8;entryCount;i+=12,entryCount--)result.sampleToChunks.push({firstChunk:view.getUint32(i),samplesPerChunk:view.getUint32(i+4),sampleDescriptionIndex:view.getUint32(i+8)});return result},stsd:function(data){return{version:data[0],flags:new Uint8Array(data.subarray(1,4)),sampleDescriptions:inspectMp4(data.subarray(8))}},stsz:function(data){var i,view=new DataView(data.buffer,data.byteOffset,data.byteLength),result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),sampleSize:view.getUint32(4),entries:[]};for(i=12;i<data.byteLength;i+=4)result.entries.push(view.getUint32(i));return result},stts:function(data){var i,view=new DataView(data.buffer,data.byteOffset,data.byteLength),result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),timeToSamples:[]},entryCount=view.getUint32(4);for(i=8;entryCount;i+=8,entryCount--)result.timeToSamples.push({sampleCount:view.getUint32(i),sampleDelta:view.getUint32(i+4)});return result},styp:function(data){return parse$1.ftyp(data)},tfdt:function(data){var result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),baseMediaDecodeTime:toUnsigned$1(data[4]<<24|data[5]<<16|data[6]<<8|data[7])};return 1===result.version&&(result.baseMediaDecodeTime*=Math.pow(2,32),result.baseMediaDecodeTime+=toUnsigned$1(data[8]<<24|data[9]<<16|data[10]<<8|data[11])),result},tfhd:function(data){var i,view=new DataView(data.buffer,data.byteOffset,data.byteLength),result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),trackId:view.getUint32(4)},baseDataOffsetPresent=1&result.flags[2],sampleDescriptionIndexPresent=2&result.flags[2],defaultSampleDurationPresent=8&result.flags[2],defaultSampleSizePresent=16&result.flags[2],defaultSampleFlagsPresent=32&result.flags[2],durationIsEmpty=65536&result.flags[0],defaultBaseIsMoof=131072&result.flags[0];return i=8,baseDataOffsetPresent&&(i+=4,result.baseDataOffset=view.getUint32(12),i+=4),sampleDescriptionIndexPresent&&(result.sampleDescriptionIndex=view.getUint32(i),i+=4),defaultSampleDurationPresent&&(result.defaultSampleDuration=view.getUint32(i),i+=4),defaultSampleSizePresent&&(result.defaultSampleSize=view.getUint32(i),i+=4),defaultSampleFlagsPresent&&(result.defaultSampleFlags=view.getUint32(i)),durationIsEmpty&&(result.durationIsEmpty=!0),!baseDataOffsetPresent&&defaultBaseIsMoof&&(result.baseDataOffsetIsMoof=!0),result},tkhd:function(data){var view=new DataView(data.buffer,data.byteOffset,data.byteLength),i=4,result={version:view.getUint8(0),flags:new Uint8Array(data.subarray(1,4))};return 1===result.version?(i+=4,result.creationTime=parseMp4Date(view.getUint32(i)),i+=8,result.modificationTime=parseMp4Date(view.getUint32(i)),i+=4,result.trackId=view.getUint32(i),i+=4,i+=8,result.duration=view.getUint32(i)):(result.creationTime=parseMp4Date(view.getUint32(i)),i+=4,result.modificationTime=parseMp4Date(view.getUint32(i)),i+=4,result.trackId=view.getUint32(i),i+=4,i+=4,result.duration=view.getUint32(i)),i+=4,i+=8,result.layer=view.getUint16(i),i+=2,result.alternateGroup=view.getUint16(i),i+=2,result.volume=view.getUint8(i)+view.getUint8(i+1)/8,i+=2,i+=2,result.matrix=new Uint32Array(data.subarray(i,i+36)),i+=36,result.width=view.getUint16(i)+view.getUint16(i+2)/16,i+=4,result.height=view.getUint16(i)+view.getUint16(i+2)/16,result},traf:function(data){return{boxes:inspectMp4(data)}},trak:function(data){return{boxes:inspectMp4(data)}},trex:function(data){var view=new DataView(data.buffer,data.byteOffset,data.byteLength);return{version:data[0],flags:new Uint8Array(data.subarray(1,4)),trackId:view.getUint32(4),defaultSampleDescriptionIndex:view.getUint32(8),defaultSampleDuration:view.getUint32(12),defaultSampleSize:view.getUint32(16),sampleDependsOn:3&data[20],sampleIsDependedOn:(192&data[21])>>6,sampleHasRedundancy:(48&data[21])>>4,samplePaddingValue:(14&data[21])>>1,sampleIsDifferenceSample:!!(1&data[21]),sampleDegradationPriority:view.getUint16(22)}},trun:function(data){var sample,result={version:data[0],flags:new Uint8Array(data.subarray(1,4)),samples:[]},view=new DataView(data.buffer,data.byteOffset,data.byteLength),dataOffsetPresent=1&result.flags[2],firstSampleFlagsPresent=4&result.flags[2],sampleDurationPresent=1&result.flags[1],sampleSizePresent=2&result.flags[1],sampleFlagsPresent=4&result.flags[1],sampleCompositionTimeOffsetPresent=8&result.flags[1],sampleCount=view.getUint32(4),offset=8;for(dataOffsetPresent&&(result.dataOffset=view.getInt32(offset),offset+=4),firstSampleFlagsPresent&&sampleCount&&(sample={flags:parseSampleFlags(data.subarray(offset,offset+4))},offset+=4,sampleDurationPresent&&(sample.duration=view.getUint32(offset),offset+=4),sampleSizePresent&&(sample.size=view.getUint32(offset),offset+=4),sampleCompositionTimeOffsetPresent&&(sample.compositionTimeOffset=view.getUint32(offset),offset+=4),result.samples.push(sample),sampleCount--);sampleCount--;)sample={},sampleDurationPresent&&(sample.duration=view.getUint32(offset),offset+=4),sampleSizePresent&&(sample.size=view.getUint32(offset),offset+=4),sampleFlagsPresent&&(sample.flags=parseSampleFlags(data.subarray(offset,offset+4)),offset+=4),sampleCompositionTimeOffsetPresent&&(sample.compositionTimeOffset=view.getUint32(offset),offset+=4),result.samples.push(sample);return result},"url ":function(data){return{version:data[0],flags:new Uint8Array(data.subarray(1,4))}},vmhd:function(data){var view=new DataView(data.buffer,data.byteOffset,data.byteLength);return{version:data[0],flags:new Uint8Array(data.subarray(1,4)),graphicsmode:view.getUint16(4),opcolor:new Uint16Array([view.getUint16(6),view.getUint16(8),view.getUint16(10)])}}};inspectMp4=function(data){for(var view,size,type,end,box,i=0,result=[],ab=new ArrayBuffer(data.length),v=new Uint8Array(ab),z=0;z<data.length;++z)v[z]=data[z];for(view=new DataView(ab);i<data.byteLength;)size=view.getUint32(i),type=parseType(data.subarray(i+4,i+8)),end=size>1?i+size:data.byteLength,(box=(parse$1[type]||function(data){return{data:data}})(data.subarray(i+8,end))).size=size,box.type=type,result.push(box),i=end;return result};var timescale,startTime,compositionStartTime,getVideoTrackIds,getTracks,mp4Inspector={inspect:inspectMp4,textify:_textifyMp=function(inspectedMp4,depth){var indent;return depth=depth||0,indent=new Array(2*depth+1).join(" "),inspectedMp4.map((function(box,index){return indent+box.type+"\n"+Object.keys(box).filter((function(key){return"type"!==key&&"boxes"!==key})).map((function(key){var prefix=indent+"  "+key+": ",value=box[key];if(value instanceof Uint8Array||value instanceof Uint32Array){var bytes=Array.prototype.slice.call(new Uint8Array(value.buffer,value.byteOffset,value.byteLength)).map((function(_byte){return" "+("00"+_byte.toString(16)).slice(-2)})).join("").match(/.{1,24}/g);return bytes?1===bytes.length?prefix+"<"+bytes.join("").slice(1)+">":prefix+"<\n"+bytes.map((function(line){return indent+"  "+line})).join("\n")+"\n"+indent+"  >":prefix+"<>"}return prefix+JSON.stringify(value,null,2).split("\n").map((function(line,index){return 0===index?line:indent+"  "+line})).join("\n")})).join("\n")+(box.boxes?"\n"+_textifyMp(box.boxes,depth+1):"")})).join("\n")},parseType:parseType,findBox:function findBox(data,path){var i,size,type,end,subresults,results=[];if(!path.length)return null;for(i=0;i<data.byteLength;)size=toUnsigned$1(data[i]<<24|data[i+1]<<16|data[i+2]<<8|data[i+3]),type=parseType(data.subarray(i+4,i+8)),end=size>1?i+size:data.byteLength,type===path[0]&&(1===path.length?results.push(data.subarray(i+8,end)):(subresults=findBox(data.subarray(i+8,end),path.slice(1))).length&&(results=results.concat(subresults))),i=end;return results},parseTraf:parse$1.traf,parseTfdt:parse$1.tfdt,parseHdlr:parse$1.hdlr,parseTfhd:parse$1.tfhd,parseTrun:parse$1.trun,parseSidx:parse$1.sidx},toUnsigned$2=bin_toUnsigned,toHexString$1=bin_toHexString;timescale=function(init){return mp4Inspector.findBox(init,["moov","trak"]).reduce((function(result,trak){var tkhd,version,index,id,mdhd;return(tkhd=mp4Inspector.findBox(trak,["tkhd"])[0])?(version=tkhd[0],id=toUnsigned$2(tkhd[index=0===version?12:20]<<24|tkhd[index+1]<<16|tkhd[index+2]<<8|tkhd[index+3]),(mdhd=mp4Inspector.findBox(trak,["mdia","mdhd"])[0])?(index=0===(version=mdhd[0])?12:20,result[id]=toUnsigned$2(mdhd[index]<<24|mdhd[index+1]<<16|mdhd[index+2]<<8|mdhd[index+3]),result):null):null}),{})},startTime=function(timescale,fragment){var trafs,baseTimes,result;return trafs=mp4Inspector.findBox(fragment,["moof","traf"]),baseTimes=[].concat.apply([],trafs.map((function(traf){return mp4Inspector.findBox(traf,["tfhd"]).map((function(tfhd){var id,scale,baseTime;return id=toUnsigned$2(tfhd[4]<<24|tfhd[5]<<16|tfhd[6]<<8|tfhd[7]),scale=timescale[id]||9e4,baseTime=mp4Inspector.findBox(traf,["tfdt"]).map((function(tfdt){var version,result;return version=tfdt[0],result=toUnsigned$2(tfdt[4]<<24|tfdt[5]<<16|tfdt[6]<<8|tfdt[7]),1===version&&(result*=Math.pow(2,32),result+=toUnsigned$2(tfdt[8]<<24|tfdt[9]<<16|tfdt[10]<<8|tfdt[11])),result}))[0],(baseTime=baseTime||1/0)/scale}))}))),result=Math.min.apply(null,baseTimes),isFinite(result)?result:0},compositionStartTime=function(timescales,fragment){var trackId,trafBoxes=mp4Inspector.findBox(fragment,["moof","traf"]),baseMediaDecodeTime=0,compositionTimeOffset=0;if(trafBoxes&&trafBoxes.length)for(var parsedTraf=mp4Inspector.parseTraf(trafBoxes[0]),i=0;i<parsedTraf.boxes.length;i++)"tfhd"===parsedTraf.boxes[i].type?trackId=parsedTraf.boxes[i].trackId:"tfdt"===parsedTraf.boxes[i].type?baseMediaDecodeTime=parsedTraf.boxes[i].baseMediaDecodeTime:"trun"===parsedTraf.boxes[i].type&&parsedTraf.boxes[i].samples.length&&(compositionTimeOffset=parsedTraf.boxes[i].samples[0].compositionTimeOffset||0);return(baseMediaDecodeTime+compositionTimeOffset)/(timescales[trackId]||9e4)},getVideoTrackIds=function(init){var traks=mp4Inspector.findBox(init,["moov","trak"]),videoTrackIds=[];return traks.forEach((function(trak){var hdlrs=mp4Inspector.findBox(trak,["mdia","hdlr"]),tkhds=mp4Inspector.findBox(trak,["tkhd"]);hdlrs.forEach((function(hdlr,index){var view,trackId,handlerType=mp4Inspector.parseType(hdlr.subarray(8,12)),tkhd=tkhds[index];"vide"===handlerType&&(trackId=0===(view=new DataView(tkhd.buffer,tkhd.byteOffset,tkhd.byteLength)).getUint8(0)?view.getUint32(12):view.getUint32(20),videoTrackIds.push(trackId))}))})),videoTrackIds},getTracks=function(init){var traks=mp4Inspector.findBox(init,["moov","trak"]),tracks=[];return traks.forEach((function(trak){var view,version,track={},tkhd=mp4Inspector.findBox(trak,["tkhd"])[0];tkhd&&(version=(view=new DataView(tkhd.buffer,tkhd.byteOffset,tkhd.byteLength)).getUint8(0),track.id=0===version?view.getUint32(12):view.getUint32(20));var hdlr=mp4Inspector.findBox(trak,["mdia","hdlr"])[0];if(hdlr){var type=mp4Inspector.parseType(hdlr.subarray(8,12));track.type="vide"===type?"video":"soun"===type?"audio":type}var stsd=mp4Inspector.findBox(trak,["mdia","minf","stbl","stsd"])[0];if(stsd){var sampleDescriptions=stsd.subarray(8);track.codec=mp4Inspector.parseType(sampleDescriptions.subarray(4,8));var codecConfig,codecBox=mp4Inspector.findBox(sampleDescriptions,[track.codec])[0];codecBox&&(/^[a-z]vc[1-9]$/i.test(track.codec)?(codecConfig=codecBox.subarray(78),"avcC"===mp4Inspector.parseType(codecConfig.subarray(4,8))&&codecConfig.length>11?(track.codec+=".",track.codec+=toHexString$1(codecConfig[9]),track.codec+=toHexString$1(codecConfig[10]),track.codec+=toHexString$1(codecConfig[11])):track.codec="avc1.4d400d"):/^mp4[a,v]$/i.test(track.codec)&&(codecConfig=codecBox.subarray(28),"esds"===mp4Inspector.parseType(codecConfig.subarray(4,8))&&codecConfig.length>20&&0!==codecConfig[19]?(track.codec+="."+toHexString$1(codecConfig[19]),track.codec+="."+toHexString$1(codecConfig[20]>>>2&63).replace(/^0/,"")):track.codec="mp4a.40.2"))}var mdhd=mp4Inspector.findBox(trak,["mdia","mdhd"])[0];if(mdhd&&tkhd){var index=0===version?12:20;track.timescale=toUnsigned$2(mdhd[index]<<24|mdhd[index+1]<<16|mdhd[index+2]<<8|mdhd[index+3])}tracks.push(track)})),tracks};var probe={findBox:mp4Inspector.findBox,parseType:mp4Inspector.parseType,timescale:timescale,startTime:startTime,compositionStartTime:compositionStartTime,videoTrackIds:getVideoTrackIds,tracks:getTracks},captionPacketParser_parseSei=function(bytes){for(var i=0,result={payloadType:-1,payloadSize:0},payloadType=0,payloadSize=0;i<bytes.byteLength&&128!==bytes[i];){for(;255===bytes[i];)payloadType+=255,i++;for(payloadType+=bytes[i++];255===bytes[i];)payloadSize+=255,i++;if(payloadSize+=bytes[i++],!result.payload&&4===payloadType){result.payloadType=payloadType,result.payloadSize=payloadSize,result.payload=bytes.subarray(i,i+payloadSize);break}i+=payloadSize,payloadType=0,payloadSize=0}return result},captionPacketParser_parseUserData=function(sei){return 181!==sei.payload[0]||49!=(sei.payload[1]<<8|sei.payload[2])||"GA94"!==String.fromCharCode(sei.payload[3],sei.payload[4],sei.payload[5],sei.payload[6])||3!==sei.payload[7]?null:sei.payload.subarray(8,sei.payload.length-1)},captionPacketParser_parseCaptionPackets=function(pts,userData){var i,count,offset,data,results=[];if(!(64&userData[0]))return results;for(count=31&userData[0],i=0;i<count;i++)data={type:3&userData[2+(offset=3*i)],pts:pts},4&userData[offset+2]&&(data.ccData=userData[offset+3]<<8|userData[offset+4],results.push(data));return results},captionPacketParser_discardEmulationPreventionBytes=function(data){for(var newLength,newData,length=data.byteLength,emulationPreventionBytesPositions=[],i=1;i<length-2;)0===data[i]&&0===data[i+1]&&3===data[i+2]?(emulationPreventionBytesPositions.push(i+2),i+=2):i++;if(0===emulationPreventionBytesPositions.length)return data;newLength=length-emulationPreventionBytesPositions.length,newData=new Uint8Array(newLength);var sourceIndex=0;for(i=0;i<newLength;sourceIndex++,i++)sourceIndex===emulationPreventionBytesPositions[0]&&(sourceIndex++,emulationPreventionBytesPositions.shift()),newData[i]=data[sourceIndex];return newData},captionPacketParser_USER_DATA_REGISTERED_ITU_T_T35=4,Stream$1=function(){this.init=function(){var listeners={};this.on=function(type,listener){listeners[type]||(listeners[type]=[]),listeners[type]=listeners[type].concat(listener)},this.off=function(type,listener){var index;return!!listeners[type]&&(index=listeners[type].indexOf(listener),listeners[type]=listeners[type].slice(),listeners[type].splice(index,1),index>-1)},this.trigger=function(type){var callbacks,i,length,args;if(callbacks=listeners[type])if(2===arguments.length)for(length=callbacks.length,i=0;i<length;++i)callbacks[i].call(this,arguments[1]);else{for(args=[],i=arguments.length,i=1;i<arguments.length;++i)args.push(arguments[i]);for(length=callbacks.length,i=0;i<length;++i)callbacks[i].apply(this,args)}},this.dispose=function(){listeners={}}}};Stream$1.prototype.pipe=function(destination){return this.on("data",(function(data){destination.push(data)})),this.on("done",(function(flushSource){destination.flush(flushSource)})),this.on("partialdone",(function(flushSource){destination.partialFlush(flushSource)})),this.on("endedtimeline",(function(flushSource){destination.endTimeline(flushSource)})),this.on("reset",(function(flushSource){destination.reset(flushSource)})),destination},Stream$1.prototype.push=function(data){this.trigger("data",data)},Stream$1.prototype.flush=function(flushSource){this.trigger("done",flushSource)},Stream$1.prototype.partialFlush=function(flushSource){this.trigger("partialdone",flushSource)},Stream$1.prototype.endTimeline=function(flushSource){this.trigger("endedtimeline",flushSource)},Stream$1.prototype.reset=function(flushSource){this.trigger("reset",flushSource)};var stream=Stream$1,CaptionStream=function CaptionStream(){CaptionStream.prototype.init.call(this),this.captionPackets_=[],this.ccStreams_=[new Cea608Stream(0,0),new Cea608Stream(0,1),new Cea608Stream(1,0),new Cea608Stream(1,1)],this.reset(),this.ccStreams_.forEach((function(cc){cc.on("data",this.trigger.bind(this,"data")),cc.on("partialdone",this.trigger.bind(this,"partialdone")),cc.on("done",this.trigger.bind(this,"done"))}),this)};(CaptionStream.prototype=new stream).push=function(event){var sei,userData,newCaptionPackets;if("sei_rbsp"===event.nalUnitType&&(sei=captionPacketParser_parseSei(event.escapedRBSP)).payloadType===captionPacketParser_USER_DATA_REGISTERED_ITU_T_T35&&(userData=captionPacketParser_parseUserData(sei)))if(event.dts<this.latestDts_)this.ignoreNextEqualDts_=!0;else{if(event.dts===this.latestDts_&&this.ignoreNextEqualDts_)return this.numSameDts_--,void(this.numSameDts_||(this.ignoreNextEqualDts_=!1));newCaptionPackets=captionPacketParser_parseCaptionPackets(event.pts,userData),this.captionPackets_=this.captionPackets_.concat(newCaptionPackets),this.latestDts_!==event.dts&&(this.numSameDts_=0),this.numSameDts_++,this.latestDts_=event.dts}},CaptionStream.prototype.flushCCStreams=function(flushType){this.ccStreams_.forEach((function(cc){return"flush"===flushType?cc.flush():cc.partialFlush()}),this)},CaptionStream.prototype.flushStream=function(flushType){this.captionPackets_.length?(this.captionPackets_.forEach((function(elem,idx){elem.presortIndex=idx})),this.captionPackets_.sort((function(a,b){return a.pts===b.pts?a.presortIndex-b.presortIndex:a.pts-b.pts})),this.captionPackets_.forEach((function(packet){packet.type<2&&this.dispatchCea608Packet(packet)}),this),this.captionPackets_.length=0,this.flushCCStreams(flushType)):this.flushCCStreams(flushType)},CaptionStream.prototype.flush=function(){return this.flushStream("flush")},CaptionStream.prototype.partialFlush=function(){return this.flushStream("partialFlush")},CaptionStream.prototype.reset=function(){this.latestDts_=null,this.ignoreNextEqualDts_=!1,this.numSameDts_=0,this.activeCea608Channel_=[null,null],this.ccStreams_.forEach((function(ccStream){ccStream.reset()}))},CaptionStream.prototype.dispatchCea608Packet=function(packet){this.setsTextOrXDSActive(packet)?this.activeCea608Channel_[packet.type]=null:this.setsChannel1Active(packet)?this.activeCea608Channel_[packet.type]=0:this.setsChannel2Active(packet)&&(this.activeCea608Channel_[packet.type]=1),null!==this.activeCea608Channel_[packet.type]&&this.ccStreams_[(packet.type<<1)+this.activeCea608Channel_[packet.type]].push(packet)},CaptionStream.prototype.setsChannel1Active=function(packet){return 4096==(30720&packet.ccData)},CaptionStream.prototype.setsChannel2Active=function(packet){return 6144==(30720&packet.ccData)},CaptionStream.prototype.setsTextOrXDSActive=function(packet){return 256==(28928&packet.ccData)||4138==(30974&packet.ccData)||6186==(30974&packet.ccData)};var CHARACTER_TRANSLATION={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},getCharFromCode=function(code){return null===code?"":(code=CHARACTER_TRANSLATION[code]||code,String.fromCharCode(code))},ROWS=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],createDisplayBuffer=function(){for(var result=[],i=15;i--;)result.push("");return result},Cea608Stream=function Cea608Stream(field,dataChannel){Cea608Stream.prototype.init.call(this),this.field_=field||0,this.dataChannel_=dataChannel||0,this.name_="CC"+(1+(this.field_<<1|this.dataChannel_)),this.setConstants(),this.reset(),this.push=function(packet){var data,swap,char0,char1,text;if((data=32639&packet.ccData)!==this.lastControlCode_){if(4096==(61440&data)?this.lastControlCode_=data:data!==this.PADDING_&&(this.lastControlCode_=null),char0=data>>>8,char1=255&data,data!==this.PADDING_)if(data===this.RESUME_CAPTION_LOADING_)this.mode_="popOn";else if(data===this.END_OF_CAPTION_)this.mode_="popOn",this.clearFormatting(packet.pts),this.flushDisplayed(packet.pts),swap=this.displayed_,this.displayed_=this.nonDisplayed_,this.nonDisplayed_=swap,this.startPts_=packet.pts;else if(data===this.ROLL_UP_2_ROWS_)this.rollUpRows_=2,this.setRollUp(packet.pts);else if(data===this.ROLL_UP_3_ROWS_)this.rollUpRows_=3,this.setRollUp(packet.pts);else if(data===this.ROLL_UP_4_ROWS_)this.rollUpRows_=4,this.setRollUp(packet.pts);else if(data===this.CARRIAGE_RETURN_)this.clearFormatting(packet.pts),this.flushDisplayed(packet.pts),this.shiftRowsUp_(),this.startPts_=packet.pts;else if(data===this.BACKSPACE_)"popOn"===this.mode_?this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1):this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1);else if(data===this.ERASE_DISPLAYED_MEMORY_)this.flushDisplayed(packet.pts),this.displayed_=createDisplayBuffer();else if(data===this.ERASE_NON_DISPLAYED_MEMORY_)this.nonDisplayed_=createDisplayBuffer();else if(data===this.RESUME_DIRECT_CAPTIONING_)"paintOn"!==this.mode_&&(this.flushDisplayed(packet.pts),this.displayed_=createDisplayBuffer()),this.mode_="paintOn",this.startPts_=packet.pts;else if(this.isSpecialCharacter(char0,char1))text=getCharFromCode((char0=(3&char0)<<8)|char1),this[this.mode_](packet.pts,text),this.column_++;else if(this.isExtCharacter(char0,char1))"popOn"===this.mode_?this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1):this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1),text=getCharFromCode((char0=(3&char0)<<8)|char1),this[this.mode_](packet.pts,text),this.column_++;else if(this.isMidRowCode(char0,char1))this.clearFormatting(packet.pts),this[this.mode_](packet.pts," "),this.column_++,14==(14&char1)&&this.addFormatting(packet.pts,["i"]),1==(1&char1)&&this.addFormatting(packet.pts,["u"]);else if(this.isOffsetControlCode(char0,char1))this.column_+=3&char1;else if(this.isPAC(char0,char1)){var row=ROWS.indexOf(7968&data);"rollUp"===this.mode_&&(row-this.rollUpRows_+1<0&&(row=this.rollUpRows_-1),this.setRollUp(packet.pts,row)),row!==this.row_&&(this.clearFormatting(packet.pts),this.row_=row),1&char1&&-1===this.formatting_.indexOf("u")&&this.addFormatting(packet.pts,["u"]),16==(16&data)&&(this.column_=4*((14&data)>>1)),this.isColorPAC(char1)&&14==(14&char1)&&this.addFormatting(packet.pts,["i"])}else this.isNormalChar(char0)&&(0===char1&&(char1=null),text=getCharFromCode(char0),text+=getCharFromCode(char1),this[this.mode_](packet.pts,text),this.column_+=text.length)}else this.lastControlCode_=null}};Cea608Stream.prototype=new stream,Cea608Stream.prototype.flushDisplayed=function(pts){var content=this.displayed_.map((function(row){try{return row.trim()}catch(e){return console.error("Skipping malformed caption."),""}})).join("\n").replace(/^\n+|\n+$/g,"");content.length&&this.trigger("data",{startPts:this.startPts_,endPts:pts,text:content,stream:this.name_})},Cea608Stream.prototype.reset=function(){this.mode_="popOn",this.topRow_=0,this.startPts_=0,this.displayed_=createDisplayBuffer(),this.nonDisplayed_=createDisplayBuffer(),this.lastControlCode_=null,this.column_=0,this.row_=14,this.rollUpRows_=2,this.formatting_=[]},Cea608Stream.prototype.setConstants=function(){0===this.dataChannel_?(this.BASE_=16,this.EXT_=17,this.CONTROL_=(20|this.field_)<<8,this.OFFSET_=23):1===this.dataChannel_&&(this.BASE_=24,this.EXT_=25,this.CONTROL_=(28|this.field_)<<8,this.OFFSET_=31),this.PADDING_=0,this.RESUME_CAPTION_LOADING_=32|this.CONTROL_,this.END_OF_CAPTION_=47|this.CONTROL_,this.ROLL_UP_2_ROWS_=37|this.CONTROL_,this.ROLL_UP_3_ROWS_=38|this.CONTROL_,this.ROLL_UP_4_ROWS_=39|this.CONTROL_,this.CARRIAGE_RETURN_=45|this.CONTROL_,this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_,this.BACKSPACE_=33|this.CONTROL_,this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_,this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_},Cea608Stream.prototype.isSpecialCharacter=function(char0,char1){return char0===this.EXT_&&char1>=48&&char1<=63},Cea608Stream.prototype.isExtCharacter=function(char0,char1){return(char0===this.EXT_+1||char0===this.EXT_+2)&&char1>=32&&char1<=63},Cea608Stream.prototype.isMidRowCode=function(char0,char1){return char0===this.EXT_&&char1>=32&&char1<=47},Cea608Stream.prototype.isOffsetControlCode=function(char0,char1){return char0===this.OFFSET_&&char1>=33&&char1<=35},Cea608Stream.prototype.isPAC=function(char0,char1){return char0>=this.BASE_&&char0<this.BASE_+8&&char1>=64&&char1<=127},Cea608Stream.prototype.isColorPAC=function(char1){return char1>=64&&char1<=79||char1>=96&&char1<=127},Cea608Stream.prototype.isNormalChar=function(_char){return _char>=32&&_char<=127},Cea608Stream.prototype.setRollUp=function(pts,newBaseRow){if("rollUp"!==this.mode_&&(this.row_=14,this.mode_="rollUp",this.flushDisplayed(pts),this.nonDisplayed_=createDisplayBuffer(),this.displayed_=createDisplayBuffer()),void 0!==newBaseRow&&newBaseRow!==this.row_)for(var i=0;i<this.rollUpRows_;i++)this.displayed_[newBaseRow-i]=this.displayed_[this.row_-i],this.displayed_[this.row_-i]="";void 0===newBaseRow&&(newBaseRow=this.row_),this.topRow_=newBaseRow-this.rollUpRows_+1},Cea608Stream.prototype.addFormatting=function(pts,format){this.formatting_=this.formatting_.concat(format);var text=format.reduce((function(text,format){return text+"<"+format+">"}),"");this[this.mode_](pts,text)},Cea608Stream.prototype.clearFormatting=function(pts){if(this.formatting_.length){var text=this.formatting_.reverse().reduce((function(text,format){return text+"</"+format+">"}),"");this.formatting_=[],this[this.mode_](pts,text)}},Cea608Stream.prototype.popOn=function(pts,text){var baseRow=this.nonDisplayed_[this.row_];baseRow+=text,this.nonDisplayed_[this.row_]=baseRow},Cea608Stream.prototype.rollUp=function(pts,text){var baseRow=this.displayed_[this.row_];baseRow+=text,this.displayed_[this.row_]=baseRow},Cea608Stream.prototype.shiftRowsUp_=function(){var i;for(i=0;i<this.topRow_;i++)this.displayed_[i]="";for(i=this.row_+1;i<15;i++)this.displayed_[i]="";for(i=this.topRow_;i<this.row_;i++)this.displayed_[i]=this.displayed_[i+1];this.displayed_[this.row_]=""},Cea608Stream.prototype.paintOn=function(pts,text){var baseRow=this.displayed_[this.row_];baseRow+=text,this.displayed_[this.row_]=baseRow};var discardEmulationPreventionBytes$1=captionPacketParser_discardEmulationPreventionBytes,CaptionStream$1=CaptionStream,mapToSample=function(offset,samples){for(var approximateOffset=offset,i=0;i<samples.length;i++){var sample=samples[i];if(approximateOffset<sample.size)return sample;approximateOffset-=sample.size}return null},parseCaptionNals=function(segment,videoTrackId){var trafs=probe.findBox(segment,["moof","traf"]),mdats=probe.findBox(segment,["mdat"]),captionNals={},mdatTrafPairs=[];return mdats.forEach((function(mdat,index){var matchingTraf=trafs[index];mdatTrafPairs.push({mdat:mdat,traf:matchingTraf})})),mdatTrafPairs.forEach((function(pair){var samples,seiNals,mdat=pair.mdat,traf=pair.traf,tfhd=probe.findBox(traf,["tfhd"]),headerInfo=mp4Inspector.parseTfhd(tfhd[0]),trackId=headerInfo.trackId,tfdt=probe.findBox(traf,["tfdt"]),baseMediaDecodeTime=tfdt.length>0?mp4Inspector.parseTfdt(tfdt[0]).baseMediaDecodeTime:0,truns=probe.findBox(traf,["trun"]);videoTrackId===trackId&&truns.length>0&&(samples=function(truns,baseMediaDecodeTime,tfhd){var currentDts=baseMediaDecodeTime,defaultSampleDuration=tfhd.defaultSampleDuration||0,defaultSampleSize=tfhd.defaultSampleSize||0,trackId=tfhd.trackId,allSamples=[];return truns.forEach((function(trun){var samples=mp4Inspector.parseTrun(trun).samples;samples.forEach((function(sample){void 0===sample.duration&&(sample.duration=defaultSampleDuration),void 0===sample.size&&(sample.size=defaultSampleSize),sample.trackId=trackId,sample.dts=currentDts,void 0===sample.compositionTimeOffset&&(sample.compositionTimeOffset=0),sample.pts=currentDts+sample.compositionTimeOffset,currentDts+=sample.duration})),allSamples=allSamples.concat(samples)})),allSamples}(truns,baseMediaDecodeTime,headerInfo),seiNals=function(avcStream,samples,trackId){var seiNal,i,length,lastMatchedSample,avcView=new DataView(avcStream.buffer,avcStream.byteOffset,avcStream.byteLength),result=[];for(i=0;i+4<avcStream.length;i+=length)if(length=avcView.getUint32(i),i+=4,!(length<=0)&&6==(31&avcStream[i])){var data=avcStream.subarray(i+1,i+1+length),matchingSample=mapToSample(i,samples);seiNal={nalUnitType:"sei_rbsp",size:length,data:data,escapedRBSP:discardEmulationPreventionBytes$1(data),trackId:trackId},matchingSample?(seiNal.pts=matchingSample.pts,seiNal.dts=matchingSample.dts,lastMatchedSample=matchingSample):(seiNal.pts=lastMatchedSample.pts,seiNal.dts=lastMatchedSample.dts),result.push(seiNal)}return result}(mdat,samples,trackId),captionNals[trackId]||(captionNals[trackId]=[]),captionNals[trackId]=captionNals[trackId].concat(seiNals))})),captionNals},captionParser=function(){var captionStream,segmentCache,trackId,timescale,parsedCaptions,parsingPartial,isInitialized=!1;this.isInitialized=function(){return isInitialized},this.init=function(options){captionStream=new CaptionStream$1,isInitialized=!0,parsingPartial=!!options&&options.isPartial,captionStream.on("data",(function(event){event.startTime=event.startPts/timescale,event.endTime=event.endPts/timescale,parsedCaptions.captions.push(event),parsedCaptions.captionStreams[event.stream]=!0}))},this.isNewInit=function(videoTrackIds,timescales){return!(videoTrackIds&&0===videoTrackIds.length||timescales&&"object"===_typeof2(timescales)&&0===Object.keys(timescales).length||trackId===videoTrackIds[0]&&timescale===timescales[trackId])},this.parse=function(segment,videoTrackIds,timescales){var parsedData;if(!this.isInitialized())return null;if(!videoTrackIds||!timescales)return null;if(this.isNewInit(videoTrackIds,timescales))trackId=videoTrackIds[0],timescale=timescales[trackId];else if(null===trackId||!timescale)return segmentCache.push(segment),null;for(;segmentCache.length>0;){var cachedSegment=segmentCache.shift();this.parse(cachedSegment,videoTrackIds,timescales)}return parsedData=function(segment,trackId,timescale){return null===trackId?null:{seiNals:parseCaptionNals(segment,trackId)[trackId],timescale:timescale}}(segment,trackId,timescale),null!==parsedData&&parsedData.seiNals?(this.pushNals(parsedData.seiNals),this.flushStream(),parsedCaptions):null},this.pushNals=function(nals){if(!this.isInitialized()||!nals||0===nals.length)return null;nals.forEach((function(nal){captionStream.push(nal)}))},this.flushStream=function(){if(!this.isInitialized())return null;parsingPartial?captionStream.partialFlush():captionStream.flush()},this.clearParsedCaptions=function(){parsedCaptions.captions=[],parsedCaptions.captionStreams={}},this.resetCaptionStream=function(){if(!this.isInitialized())return null;captionStream.reset()},this.clearAllCaptions=function(){this.clearParsedCaptions(),this.resetCaptionStream()},this.reset=function(){segmentCache=[],trackId=null,timescale=null,parsedCaptions?this.clearParsedCaptions():parsedCaptions={captions:[],captionStreams:{}},this.resetCaptionStream()},this.reset()},streamTypes_H264_STREAM_TYPE=27,streamTypes_ADTS_STREAM_TYPE=15,streamTypes_METADATA_STREAM_TYPE=21,handleRollover=function(value,reference){var direction=1;for(value>reference&&(direction=-1);Math.abs(reference-value)>4294967296;)value+=8589934592*direction;return value},TimestampRolloverStream=function TimestampRolloverStream(type){var lastDTS,referenceDTS;TimestampRolloverStream.prototype.init.call(this),this.type_=type||"shared",this.push=function(data){"shared"!==this.type_&&data.type!==this.type_||(void 0===referenceDTS&&(referenceDTS=data.dts),data.dts=handleRollover(data.dts,referenceDTS),data.pts=handleRollover(data.pts,referenceDTS),lastDTS=data.dts,this.trigger("data",data))},this.flush=function(){referenceDTS=lastDTS,this.trigger("done")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline")},this.discontinuity=function(){referenceDTS=void 0,lastDTS=void 0},this.reset=function(){this.discontinuity(),this.trigger("reset")}};TimestampRolloverStream.prototype=new stream;var parsePid=function(packet){var pid=31&packet[1];return pid<<=8,pid|=packet[2]},parsePayloadUnitStartIndicator=function(packet){return!!(64&packet[1])},parseAdaptionField=function(packet){var offset=0;return(48&packet[3])>>>4>1&&(offset+=packet[4]+1),offset},parseNalUnitType=function(type){switch(type){case 5:return"slice_layer_without_partitioning_rbsp_idr";case 6:return"sei_rbsp";case 7:return"seq_parameter_set_rbsp";case 8:return"pic_parameter_set_rbsp";case 9:return"access_unit_delimiter_rbsp";default:return null}},probe$1={parseType:function(packet,pmtPid){var pid=parsePid(packet);return 0===pid?"pat":pid===pmtPid?"pmt":pmtPid?"pes":null},parsePat:function(packet){var pusi=parsePayloadUnitStartIndicator(packet),offset=4+parseAdaptionField(packet);return pusi&&(offset+=packet[offset]+1),(31&packet[offset+10])<<8|packet[offset+11]},parsePmt:function(packet){var programMapTable={},pusi=parsePayloadUnitStartIndicator(packet),payloadOffset=4+parseAdaptionField(packet);if(pusi&&(payloadOffset+=packet[payloadOffset]+1),1&packet[payloadOffset+5]){var tableEnd;tableEnd=3+((15&packet[payloadOffset+1])<<8|packet[payloadOffset+2])-4;for(var offset=12+((15&packet[payloadOffset+10])<<8|packet[payloadOffset+11]);offset<tableEnd;){var i=payloadOffset+offset;programMapTable[(31&packet[i+1])<<8|packet[i+2]]=packet[i],offset+=5+((15&packet[i+3])<<8|packet[i+4])}return programMapTable}},parsePayloadUnitStartIndicator:parsePayloadUnitStartIndicator,parsePesType:function(packet,programMapTable){switch(programMapTable[parsePid(packet)]){case streamTypes_H264_STREAM_TYPE:return"video";case streamTypes_ADTS_STREAM_TYPE:return"audio";case streamTypes_METADATA_STREAM_TYPE:return"timed-metadata";default:return null}},parsePesTime:function(packet){if(!parsePayloadUnitStartIndicator(packet))return null;var offset=4+parseAdaptionField(packet);if(offset>=packet.byteLength)return null;var ptsDtsFlags,pes=null;return 192&(ptsDtsFlags=packet[offset+7])&&((pes={}).pts=(14&packet[offset+9])<<27|(255&packet[offset+10])<<20|(254&packet[offset+11])<<12|(255&packet[offset+12])<<5|(254&packet[offset+13])>>>3,pes.pts*=4,pes.pts+=(6&packet[offset+13])>>>1,pes.dts=pes.pts,64&ptsDtsFlags&&(pes.dts=(14&packet[offset+14])<<27|(255&packet[offset+15])<<20|(254&packet[offset+16])<<12|(255&packet[offset+17])<<5|(254&packet[offset+18])>>>3,pes.dts*=4,pes.dts+=(6&packet[offset+18])>>>1)),pes},videoPacketContainsKeyFrame:function(packet){for(var offset=4+parseAdaptionField(packet),frameBuffer=packet.subarray(offset),frameI=0,frameSyncPoint=0,foundKeyFrame=!1;frameSyncPoint<frameBuffer.byteLength-3;frameSyncPoint++)if(1===frameBuffer[frameSyncPoint+2]){frameI=frameSyncPoint+5;break}for(;frameI<frameBuffer.byteLength;)switch(frameBuffer[frameI]){case 0:if(0!==frameBuffer[frameI-1]){frameI+=2;break}if(0!==frameBuffer[frameI-2]){frameI++;break}frameSyncPoint+3!==frameI-2&&"slice_layer_without_partitioning_rbsp_idr"===parseNalUnitType(31&frameBuffer[frameSyncPoint+3])&&(foundKeyFrame=!0);do{frameI++}while(1!==frameBuffer[frameI]&&frameI<frameBuffer.length);frameSyncPoint=frameI-2,frameI+=3;break;case 1:if(0!==frameBuffer[frameI-1]||0!==frameBuffer[frameI-2]){frameI+=3;break}"slice_layer_without_partitioning_rbsp_idr"===parseNalUnitType(31&frameBuffer[frameSyncPoint+3])&&(foundKeyFrame=!0),frameSyncPoint=frameI-2,frameI+=3;break;default:frameI+=3}return frameBuffer=frameBuffer.subarray(frameSyncPoint),frameI-=frameSyncPoint,frameSyncPoint=0,frameBuffer&&frameBuffer.byteLength>3&&"slice_layer_without_partitioning_rbsp_idr"===parseNalUnitType(31&frameBuffer[frameSyncPoint+3])&&(foundKeyFrame=!0),foundKeyFrame}},ADTS_SAMPLING_FREQUENCIES=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350],parseSyncSafeInteger=function(data){return data[0]<<21|data[1]<<14|data[2]<<7|data[3]},utils={isLikelyAacData:function(data){return data[0]==="I".charCodeAt(0)&&data[1]==="D".charCodeAt(0)&&data[2]==="3".charCodeAt(0)},parseId3TagSize:function(header,byteIndex){var returnSize=header[byteIndex+6]<<21|header[byteIndex+7]<<14|header[byteIndex+8]<<7|header[byteIndex+9];return(16&header[byteIndex+5])>>4?returnSize+20:returnSize+10},parseAdtsSize:function(header,byteIndex){var lowThree=(224&header[byteIndex+5])>>5,middle=header[byteIndex+4]<<3;return 6144&header[byteIndex+3]|middle|lowThree},parseType:function(header,byteIndex){return header[byteIndex]==="I".charCodeAt(0)&&header[byteIndex+1]==="D".charCodeAt(0)&&header[byteIndex+2]==="3".charCodeAt(0)?"timed-metadata":!0&header[byteIndex]&&240==(240&header[byteIndex+1])?"audio":null},parseSampleRate:function(packet){for(var i=0;i+5<packet.length;){if(255===packet[i]&&240==(246&packet[i+1]))return ADTS_SAMPLING_FREQUENCIES[(60&packet[i+2])>>>2];i++}return null},parseAacTimestamp:function(packet){var frameStart,frameSize,frame;frameStart=10,64&packet[5]&&(frameStart+=4,frameStart+=parseSyncSafeInteger(packet.subarray(10,14)));do{if((frameSize=parseSyncSafeInteger(packet.subarray(frameStart+4,frameStart+8)))<1)return null;if("PRIV"===String.fromCharCode(packet[frameStart],packet[frameStart+1],packet[frameStart+2],packet[frameStart+3])){frame=packet.subarray(frameStart+10,frameStart+frameSize+10);for(var i=0;i<frame.byteLength;i++)if(0===frame[i]){var owner=unescape(function(bytes,start,end){var i,result="";for(i=start;i<end;i++)result+="%"+("00"+bytes[i].toString(16)).slice(-2);return result}(frame,0,i));if("com.apple.streaming.transportStreamTimestamp"===owner){var d=frame.subarray(i+1),size=(1&d[3])<<30|d[4]<<22|d[5]<<14|d[6]<<6|d[7]>>>2;return size*=4,size+=3&d[7]}break}}frameStart+=10,frameStart+=frameSize}while(frameStart<packet.byteLength);return null}},clock_ONE_SECOND_IN_TS=9e4,handleRollover$1=(function(seconds){return 9e4*seconds},function(seconds,sampleRate){return seconds*sampleRate},function(timestamp){return timestamp/9e4},function(timestamp,sampleRate){return timestamp/sampleRate},handleRollover),probe$2={};probe$2.ts=probe$1,probe$2.aac=utils;var ONE_SECOND_IN_TS$1=clock_ONE_SECOND_IN_TS,parseAudioPes_=function(bytes,pmt,result){for(var packet,pesType,pusi,parsed,startIndex=0,endIndex=188,endLoop=!1;endIndex<=bytes.byteLength;)if(71!==bytes[startIndex]||71!==bytes[endIndex]&&endIndex!==bytes.byteLength)startIndex++,endIndex++;else{if(packet=bytes.subarray(startIndex,endIndex),"pes"===probe$2.ts.parseType(packet,pmt.pid)&&(pesType=probe$2.ts.parsePesType(packet,pmt.table),pusi=probe$2.ts.parsePayloadUnitStartIndicator(packet),"audio"===pesType&&pusi&&(parsed=probe$2.ts.parsePesTime(packet))&&(parsed.type="audio",result.audio.push(parsed),endLoop=!0)),endLoop)break;startIndex+=188,endIndex+=188}for(startIndex=(endIndex=bytes.byteLength)-188,endLoop=!1;startIndex>=0;)if(71!==bytes[startIndex]||71!==bytes[endIndex]&&endIndex!==bytes.byteLength)startIndex--,endIndex--;else{if(packet=bytes.subarray(startIndex,endIndex),"pes"===probe$2.ts.parseType(packet,pmt.pid)&&(pesType=probe$2.ts.parsePesType(packet,pmt.table),pusi=probe$2.ts.parsePayloadUnitStartIndicator(packet),"audio"===pesType&&pusi&&(parsed=probe$2.ts.parsePesTime(packet))&&(parsed.type="audio",result.audio.push(parsed),endLoop=!0)),endLoop)break;startIndex-=188,endIndex-=188}},parseVideoPes_=function(bytes,pmt,result){for(var packet,pesType,pusi,parsed,frame,i,pes,startIndex=0,endIndex=188,endLoop=!1,currentFrame={data:[],size:0};endIndex<bytes.byteLength;)if(71!==bytes[startIndex]||71!==bytes[endIndex])startIndex++,endIndex++;else{if(packet=bytes.subarray(startIndex,endIndex),"pes"===probe$2.ts.parseType(packet,pmt.pid)&&(pesType=probe$2.ts.parsePesType(packet,pmt.table),pusi=probe$2.ts.parsePayloadUnitStartIndicator(packet),"video"===pesType&&(pusi&&!endLoop&&(parsed=probe$2.ts.parsePesTime(packet))&&(parsed.type="video",result.video.push(parsed),endLoop=!0),!result.firstKeyFrame))){if(pusi&&0!==currentFrame.size){for(frame=new Uint8Array(currentFrame.size),i=0;currentFrame.data.length;)pes=currentFrame.data.shift(),frame.set(pes,i),i+=pes.byteLength;if(probe$2.ts.videoPacketContainsKeyFrame(frame)){var firstKeyFrame=probe$2.ts.parsePesTime(frame);firstKeyFrame?(result.firstKeyFrame=firstKeyFrame,result.firstKeyFrame.type="video"):console.warn("Failed to extract PTS/DTS from PES at first keyframe. This could be an unusual TS segment, or else mux.js did not parse your TS segment correctly. If you know your TS segments do contain PTS/DTS on keyframes please file a bug report! You can try ffprobe to double check for yourself.")}currentFrame.size=0}currentFrame.data.push(packet),currentFrame.size+=packet.byteLength}if(endLoop&&result.firstKeyFrame)break;startIndex+=188,endIndex+=188}for(startIndex=(endIndex=bytes.byteLength)-188,endLoop=!1;startIndex>=0;)if(71!==bytes[startIndex]||71!==bytes[endIndex])startIndex--,endIndex--;else{if(packet=bytes.subarray(startIndex,endIndex),"pes"===probe$2.ts.parseType(packet,pmt.pid)&&(pesType=probe$2.ts.parsePesType(packet,pmt.table),pusi=probe$2.ts.parsePayloadUnitStartIndicator(packet),"video"===pesType&&pusi&&(parsed=probe$2.ts.parsePesTime(packet))&&(parsed.type="video",result.video.push(parsed),endLoop=!0)),endLoop)break;startIndex-=188,endIndex-=188}},inspectTs_=function(bytes){var pmt={pid:null,table:null},result={};for(var pid in function(bytes,pmt){for(var packet,startIndex=0,endIndex=188;endIndex<bytes.byteLength;)if(71!==bytes[startIndex]||71!==bytes[endIndex])startIndex++,endIndex++;else{switch(packet=bytes.subarray(startIndex,endIndex),probe$2.ts.parseType(packet,pmt.pid)){case"pat":pmt.pid||(pmt.pid=probe$2.ts.parsePat(packet));break;case"pmt":pmt.table||(pmt.table=probe$2.ts.parsePmt(packet))}if(pmt.pid&&pmt.table)return;startIndex+=188,endIndex+=188}}(bytes,pmt),pmt.table)if(pmt.table.hasOwnProperty(pid))switch(pmt.table[pid]){case streamTypes_H264_STREAM_TYPE:result.video=[],parseVideoPes_(bytes,pmt,result),0===result.video.length&&delete result.video;break;case streamTypes_ADTS_STREAM_TYPE:result.audio=[],parseAudioPes_(bytes,pmt,result),0===result.audio.length&&delete result.audio}return result},tsInspector_inspect=function(bytes,baseTimestamp){var result;return result=probe$2.aac.isLikelyAacData(bytes)?function(bytes){for(var packet,endLoop=!1,audioCount=0,sampleRate=null,timestamp=null,frameSize=0,byteIndex=0;bytes.length-byteIndex>=3;){switch(probe$2.aac.parseType(bytes,byteIndex)){case"timed-metadata":if(bytes.length-byteIndex<10){endLoop=!0;break}if((frameSize=probe$2.aac.parseId3TagSize(bytes,byteIndex))>bytes.length){endLoop=!0;break}null===timestamp&&(packet=bytes.subarray(byteIndex,byteIndex+frameSize),timestamp=probe$2.aac.parseAacTimestamp(packet)),byteIndex+=frameSize;break;case"audio":if(bytes.length-byteIndex<7){endLoop=!0;break}if((frameSize=probe$2.aac.parseAdtsSize(bytes,byteIndex))>bytes.length){endLoop=!0;break}null===sampleRate&&(packet=bytes.subarray(byteIndex,byteIndex+frameSize),sampleRate=probe$2.aac.parseSampleRate(packet)),audioCount++,byteIndex+=frameSize;break;default:byteIndex++}if(endLoop)return null}if(null===sampleRate||null===timestamp)return null;var audioTimescale=ONE_SECOND_IN_TS$1/sampleRate;return{audio:[{type:"audio",dts:timestamp,pts:timestamp},{type:"audio",dts:timestamp+1024*audioCount*audioTimescale,pts:timestamp+1024*audioCount*audioTimescale}]}}(bytes):inspectTs_(bytes),result&&(result.audio||result.video)?(function(segmentInfo,baseTimestamp){if(segmentInfo.audio&&segmentInfo.audio.length){var audioBaseTimestamp=baseTimestamp;void 0===audioBaseTimestamp&&(audioBaseTimestamp=segmentInfo.audio[0].dts),segmentInfo.audio.forEach((function(info){info.dts=handleRollover$1(info.dts,audioBaseTimestamp),info.pts=handleRollover$1(info.pts,audioBaseTimestamp),info.dtsTime=info.dts/ONE_SECOND_IN_TS$1,info.ptsTime=info.pts/ONE_SECOND_IN_TS$1}))}if(segmentInfo.video&&segmentInfo.video.length){var videoBaseTimestamp=baseTimestamp;if(void 0===videoBaseTimestamp&&(videoBaseTimestamp=segmentInfo.video[0].dts),segmentInfo.video.forEach((function(info){info.dts=handleRollover$1(info.dts,videoBaseTimestamp),info.pts=handleRollover$1(info.pts,videoBaseTimestamp),info.dtsTime=info.dts/ONE_SECOND_IN_TS$1,info.ptsTime=info.pts/ONE_SECOND_IN_TS$1})),segmentInfo.firstKeyFrame){var frame=segmentInfo.firstKeyFrame;frame.dts=handleRollover$1(frame.dts,videoBaseTimestamp),frame.pts=handleRollover$1(frame.pts,videoBaseTimestamp),frame.dtsTime=frame.dts/ONE_SECOND_IN_TS$1,frame.ptsTime=frame.dts/ONE_SECOND_IN_TS$1}}}(result,baseTimestamp),result):null},classCallCheck=function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")},createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),aesTables=null,AES=function(){function AES(key){classCallCheck(this,AES),aesTables||(aesTables=function(){var tables=[[[],[],[],[],[]],[[],[],[],[],[]]],encTable=tables[0],decTable=tables[1],sbox=encTable[4],sboxInv=decTable[4],i=void 0,x=void 0,xInv=void 0,d=[],th=[],x2=void 0,x4=void 0,s=void 0,tEnc=void 0,tDec=void 0;for(i=0;i<256;i++)th[(d[i]=i<<1^283*(i>>7))^i]=i;for(x=xInv=0;!sbox[x];x^=x2||1,xInv=th[xInv]||1)for(s=(s=xInv^xInv<<1^xInv<<2^xInv<<3^xInv<<4)>>8^255&s^99,sbox[x]=s,sboxInv[s]=x,tDec=16843009*d[x4=d[x2=d[x]]]^65537*x4^257*x2^16843008*x,tEnc=257*d[s]^16843008*s,i=0;i<4;i++)encTable[i][x]=tEnc=tEnc<<24^tEnc>>>8,decTable[i][s]=tDec=tDec<<24^tDec>>>8;for(i=0;i<5;i++)encTable[i]=encTable[i].slice(0),decTable[i]=decTable[i].slice(0);return tables}()),this._tables=[[aesTables[0][0].slice(),aesTables[0][1].slice(),aesTables[0][2].slice(),aesTables[0][3].slice(),aesTables[0][4].slice()],[aesTables[1][0].slice(),aesTables[1][1].slice(),aesTables[1][2].slice(),aesTables[1][3].slice(),aesTables[1][4].slice()]];var i=void 0,j=void 0,tmp=void 0,encKey=void 0,decKey=void 0,sbox=this._tables[0][4],decTable=this._tables[1],keyLen=key.length,rcon=1;if(4!==keyLen&&6!==keyLen&&8!==keyLen)throw new Error("Invalid aes key size");for(encKey=key.slice(0),decKey=[],this._key=[encKey,decKey],i=keyLen;i<4*keyLen+28;i++)tmp=encKey[i-1],(i%keyLen==0||8===keyLen&&i%keyLen==4)&&(tmp=sbox[tmp>>>24]<<24^sbox[tmp>>16&255]<<16^sbox[tmp>>8&255]<<8^sbox[255&tmp],i%keyLen==0&&(tmp=tmp<<8^tmp>>>24^rcon<<24,rcon=rcon<<1^283*(rcon>>7))),encKey[i]=encKey[i-keyLen]^tmp;for(j=0;i;j++,i--)tmp=encKey[3&j?i:i-4],decKey[j]=i<=4||j<4?tmp:decTable[0][sbox[tmp>>>24]]^decTable[1][sbox[tmp>>16&255]]^decTable[2][sbox[tmp>>8&255]]^decTable[3][sbox[255&tmp]]}return AES.prototype.decrypt=function(encrypted0,encrypted1,encrypted2,encrypted3,out,offset){var key=this._key[1],a=encrypted0^key[0],b=encrypted3^key[1],c=encrypted2^key[2],d=encrypted1^key[3],a2=void 0,b2=void 0,c2=void 0,nInnerRounds=key.length/4-2,i=void 0,kIndex=4,table=this._tables[1],table0=table[0],table1=table[1],table2=table[2],table3=table[3],sbox=table[4];for(i=0;i<nInnerRounds;i++)a2=table0[a>>>24]^table1[b>>16&255]^table2[c>>8&255]^table3[255&d]^key[kIndex],b2=table0[b>>>24]^table1[c>>16&255]^table2[d>>8&255]^table3[255&a]^key[kIndex+1],c2=table0[c>>>24]^table1[d>>16&255]^table2[a>>8&255]^table3[255&b]^key[kIndex+2],d=table0[d>>>24]^table1[a>>16&255]^table2[b>>8&255]^table3[255&c]^key[kIndex+3],kIndex+=4,a=a2,b=b2,c=c2;for(i=0;i<4;i++)out[(3&-i)+offset]=sbox[a>>>24]<<24^sbox[b>>16&255]<<16^sbox[c>>8&255]<<8^sbox[255&d]^key[kIndex++],a2=a,a=b,b=c,c=d,d=a2},AES}(),Stream$2=function(){function Stream(){classCallCheck(this,Stream),this.listeners={}}return Stream.prototype.on=function(type,listener){this.listeners[type]||(this.listeners[type]=[]),this.listeners[type].push(listener)},Stream.prototype.off=function(type,listener){if(!this.listeners[type])return!1;var index=this.listeners[type].indexOf(listener);return this.listeners[type].splice(index,1),index>-1},Stream.prototype.trigger=function(type){var callbacks=this.listeners[type];if(callbacks)if(2===arguments.length)for(var length=callbacks.length,i=0;i<length;++i)callbacks[i].call(this,arguments[1]);else for(var args=Array.prototype.slice.call(arguments,1),_length=callbacks.length,_i=0;_i<_length;++_i)callbacks[_i].apply(this,args)},Stream.prototype.dispose=function(){this.listeners={}},Stream.prototype.pipe=function(destination){this.on("data",(function(data){destination.push(data)}))},Stream}(),AsyncStream=function(_Stream){function AsyncStream(){classCallCheck(this,AsyncStream);var _this=function(self,call){if(!self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!call||"object"!==_typeof2(call)&&"function"!=typeof call?self:call}(this,_Stream.call(this,Stream$2));return _this.jobs=[],_this.delay=1,_this.timeout_=null,_this}return function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function, not "+_typeof2(superClass));subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:!1,writable:!0,configurable:!0}}),superClass&&(Object.setPrototypeOf?Object.setPrototypeOf(subClass,superClass):subClass.__proto__=superClass)}(AsyncStream,_Stream),AsyncStream.prototype.processJob_=function(){this.jobs.shift()(),this.jobs.length?this.timeout_=setTimeout(this.processJob_.bind(this),this.delay):this.timeout_=null},AsyncStream.prototype.push=function(job){this.jobs.push(job),this.timeout_||(this.timeout_=setTimeout(this.processJob_.bind(this),this.delay))},AsyncStream}(Stream$2),ntoh=function(word){return word<<24|(65280&word)<<8|(16711680&word)>>8|word>>>24},decrypt=function(encrypted,key,initVector){var encrypted32=new Int32Array(encrypted.buffer,encrypted.byteOffset,encrypted.byteLength>>2),decipher=new AES(Array.prototype.slice.call(key)),decrypted=new Uint8Array(encrypted.byteLength),decrypted32=new Int32Array(decrypted.buffer),init0=void 0,init1=void 0,init2=void 0,init3=void 0,encrypted0=void 0,encrypted1=void 0,encrypted2=void 0,encrypted3=void 0,wordIx=void 0;for(init0=initVector[0],init1=initVector[1],init2=initVector[2],init3=initVector[3],wordIx=0;wordIx<encrypted32.length;wordIx+=4)encrypted0=ntoh(encrypted32[wordIx]),encrypted1=ntoh(encrypted32[wordIx+1]),encrypted2=ntoh(encrypted32[wordIx+2]),encrypted3=ntoh(encrypted32[wordIx+3]),decipher.decrypt(encrypted0,encrypted1,encrypted2,encrypted3,decrypted32,wordIx),decrypted32[wordIx]=ntoh(decrypted32[wordIx]^init0),decrypted32[wordIx+1]=ntoh(decrypted32[wordIx+1]^init1),decrypted32[wordIx+2]=ntoh(decrypted32[wordIx+2]^init2),decrypted32[wordIx+3]=ntoh(decrypted32[wordIx+3]^init3),init0=encrypted0,init1=encrypted1,init2=encrypted2,init3=encrypted3;return decrypted},Decrypter=function(){function Decrypter(encrypted,key,initVector,done){classCallCheck(this,Decrypter);var step=Decrypter.STEP,encrypted32=new Int32Array(encrypted.buffer),decrypted=new Uint8Array(encrypted.byteLength),i=0;for(this.asyncStream_=new AsyncStream,this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i,i+step),key,initVector,decrypted)),i=step;i<encrypted32.length;i+=step)initVector=new Uint32Array([ntoh(encrypted32[i-4]),ntoh(encrypted32[i-3]),ntoh(encrypted32[i-2]),ntoh(encrypted32[i-1])]),this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i,i+step),key,initVector,decrypted));this.asyncStream_.push((function(){var padded;done(null,(padded=decrypted).subarray(0,padded.byteLength-padded[padded.byteLength-1]))}))}return Decrypter.prototype.decryptChunk_=function(encrypted,key,initVector,decrypted){return function(){var bytes=decrypt(encrypted,key,initVector);decrypted.set(bytes,encrypted.byteOffset)}},createClass(Decrypter,null,[{key:"STEP",get:function(){return 32e3}}]),Decrypter}(),resolveUrl$1=function(baseURL,relativeURL){return/^[a-z]+:/i.test(relativeURL)?relativeURL:(/\/\//i.test(baseURL)||(baseURL=urlToolkit.buildAbsoluteURL(window$3.location.href,baseURL)),urlToolkit.buildAbsoluteURL(baseURL,relativeURL))},resolveManifestRedirect=function(handleManifestRedirect,url,req){return handleManifestRedirect&&req.responseURL&&url!==req.responseURL?req.responseURL:url},classCallCheck$1=function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")},createClass$1=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),get$1=function get(object,property,receiver){null===object&&(object=Function.prototype);var desc=Object.getOwnPropertyDescriptor(object,property);if(void 0===desc){var parent=Object.getPrototypeOf(object);return null===parent?void 0:get(parent,property,receiver)}if("value"in desc)return desc.value;var getter=desc.get;return void 0!==getter?getter.call(receiver):void 0},inherits$2=function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function, not "+_typeof2(superClass));subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:!1,writable:!0,configurable:!0}}),superClass&&(Object.setPrototypeOf?Object.setPrototypeOf(subClass,superClass):subClass.__proto__=superClass)},possibleConstructorReturn$1=function(self,call){if(!self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!call||"object"!==_typeof2(call)&&"function"!=typeof call?self:call},slicedToArray=function(arr,i){if(Array.isArray(arr))return arr;if(Symbol.iterator in Object(arr))return function(arr,i){var _arr=[],_n=!0,_d=!1,_e=void 0;try{for(var _s,_i=arr[Symbol.iterator]();!(_n=(_s=_i.next()).done)&&(_arr.push(_s.value),!i||_arr.length!==i);_n=!0);}catch(err){_d=!0,_e=err}finally{try{!_n&&_i.return&&_i.return()}finally{if(_d)throw _e}}return _arr}(arr,i);throw new TypeError("Invalid attempt to destructure non-iterable instance")},mergeOptions$1=videojs$1.mergeOptions,EventTarget$1=videojs$1.EventTarget,log$1=videojs$1.log,forEachMediaGroup=function(master,callback){["AUDIO","SUBTITLES"].forEach((function(mediaType){for(var groupKey in master.mediaGroups[mediaType])for(var labelKey in master.mediaGroups[mediaType][groupKey]){var mediaProperties=master.mediaGroups[mediaType][groupKey][labelKey];callback(mediaProperties,mediaType,groupKey,labelKey)}}))},updateMaster=function(master,media){var result=mergeOptions$1(master,{}),playlist=result.playlists[media.id];if(!playlist)return null;if(playlist.segments&&media.segments&&playlist.segments.length===media.segments.length&&playlist.endList===media.endList&&playlist.mediaSequence===media.mediaSequence)return null;var mergedPlaylist=mergeOptions$1(playlist,media);playlist.segments&&(mergedPlaylist.segments=function(original,update,offset){var result=update.slice();offset=offset||0;for(var length=Math.min(original.length,update.length+offset),i=offset;i<length;i++)result[i-offset]=mergeOptions$1(original[i],result[i-offset]);return result}(playlist.segments,media.segments,media.mediaSequence-playlist.mediaSequence)),mergedPlaylist.segments.forEach((function(segment){!function(segment,baseUri){segment.resolvedUri||(segment.resolvedUri=resolveUrl$1(baseUri,segment.uri)),segment.key&&!segment.key.resolvedUri&&(segment.key.resolvedUri=resolveUrl$1(baseUri,segment.key.uri)),segment.map&&!segment.map.resolvedUri&&(segment.map.resolvedUri=resolveUrl$1(baseUri,segment.map.uri))}(segment,mergedPlaylist.resolvedUri)}));for(var i=0;i<result.playlists.length;i++)result.playlists[i].id===media.id&&(result.playlists[i]=mergedPlaylist);return result.playlists[media.id]=mergedPlaylist,result.playlists[media.uri]=mergedPlaylist,result},createPlaylistID=function(index,uri){return index+"-"+uri},setupMediaPlaylists=function(master){for(var i=master.playlists.length;i--;){var playlist=master.playlists[i];playlist.resolvedUri=resolveUrl$1(master.uri,playlist.uri),playlist.id=createPlaylistID(i,playlist.uri),master.playlists[playlist.id]=playlist,master.playlists[playlist.uri]=playlist,playlist.attributes||(playlist.attributes={},log$1.warn("Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute."))}},resolveMediaGroupUris=function(master){forEachMediaGroup(master,(function(properties){properties.uri&&(properties.resolvedUri=resolveUrl$1(master.uri,properties.uri))}))},refreshDelay=function(media,update){var lastSegment=media.segments[media.segments.length-1];return update&&lastSegment&&lastSegment.duration?1e3*lastSegment.duration:500*(media.targetDuration||10)},PlaylistLoader=function(_EventTarget){function PlaylistLoader(srcUrl,hls){var options=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{};classCallCheck$1(this,PlaylistLoader);var _this=possibleConstructorReturn$1(this,(PlaylistLoader.__proto__||Object.getPrototypeOf(PlaylistLoader)).call(this)),_options$withCredenti=options.withCredentials,withCredentials=void 0!==_options$withCredenti&&_options$withCredenti,_options$handleManife=options.handleManifestRedirects,handleManifestRedirects=void 0!==_options$handleManife&&_options$handleManife;_this.srcUrl=srcUrl,_this.hls_=hls,_this.withCredentials=withCredentials,_this.handleManifestRedirects=handleManifestRedirects;var hlsOptions=hls.options_;if(_this.customTagParsers=hlsOptions&&hlsOptions.customTagParsers||[],_this.customTagMappers=hlsOptions&&hlsOptions.customTagMappers||[],!_this.srcUrl)throw new Error("A non-empty playlist URL is required");return _this.state="HAVE_NOTHING",_this.on("mediaupdatetimeout",(function(){"HAVE_METADATA"===_this.state&&(_this.state="HAVE_CURRENT_METADATA",_this.request=_this.hls_.xhr({uri:resolveUrl$1(_this.master.uri,_this.media().uri),withCredentials:_this.withCredentials},(function(error,req){if(_this.request)return error?_this.playlistRequestError(_this.request,_this.media(),"HAVE_METADATA"):void _this.haveMetadata(_this.request,_this.media().uri,_this.media().id)})))})),_this}return inherits$2(PlaylistLoader,_EventTarget),createClass$1(PlaylistLoader,[{key:"playlistRequestError",value:function(xhr,playlist,startingState){var uri=playlist.uri,id=playlist.id;this.request=null,startingState&&(this.state=startingState),this.error={playlist:this.master.playlists[id],status:xhr.status,message:"HLS playlist request error at URL: "+uri+".",responseText:xhr.responseText,code:xhr.status>=500?4:2},this.trigger("error")}},{key:"haveMetadata",value:function(xhr,url,id){var _this2=this;this.request=null,this.state="HAVE_METADATA";var parser=new Parser;this.customTagParsers.forEach((function(customParser){return parser.addParser(customParser)})),this.customTagMappers.forEach((function(mapper){return parser.addTagMapper(mapper)})),parser.push(xhr.responseText),parser.end(),parser.manifest.uri=url,parser.manifest.id=id,parser.manifest.attributes=parser.manifest.attributes||{};var update=updateMaster(this.master,parser.manifest);this.targetDuration=parser.manifest.targetDuration,update?(this.master=update,this.media_=this.master.playlists[id]):this.trigger("playlistunchanged"),this.media().endList||(window$3.clearTimeout(this.mediaUpdateTimeout),this.mediaUpdateTimeout=window$3.setTimeout((function(){_this2.trigger("mediaupdatetimeout")}),refreshDelay(this.media(),!!update))),this.trigger("loadedplaylist")}},{key:"dispose",value:function(){this.trigger("dispose"),this.stopRequest(),window$3.clearTimeout(this.mediaUpdateTimeout),window$3.clearTimeout(this.finalRenditionTimeout),this.off()}},{key:"stopRequest",value:function(){if(this.request){var oldRequest=this.request;this.request=null,oldRequest.onreadystatechange=null,oldRequest.abort()}}},{key:"media",value:function(playlist,isFinalRendition){var _this3=this;if(!playlist)return this.media_;if("HAVE_NOTHING"===this.state)throw new Error("Cannot switch media playlist from "+this.state);if("string"==typeof playlist){if(!this.master.playlists[playlist])throw new Error("Unknown playlist URI: "+playlist);playlist=this.master.playlists[playlist]}if(window$3.clearTimeout(this.finalRenditionTimeout),isFinalRendition){var delay=playlist.targetDuration/2*1e3||5e3;this.finalRenditionTimeout=window$3.setTimeout(this.media.bind(this,playlist,!1),delay)}else{var startingState=this.state,mediaChange=!this.media_||playlist.id!==this.media_.id;if(this.master.playlists[playlist.id].endList)return this.request&&(this.request.onreadystatechange=null,this.request.abort(),this.request=null),this.state="HAVE_METADATA",this.media_=playlist,void(mediaChange&&(this.trigger("mediachanging"),this.trigger("mediachange")));if(mediaChange){if(this.state="SWITCHING_MEDIA",this.request){if(playlist.resolvedUri===this.request.url)return;this.request.onreadystatechange=null,this.request.abort(),this.request=null}this.media_&&this.trigger("mediachanging"),this.request=this.hls_.xhr({uri:playlist.resolvedUri,withCredentials:this.withCredentials},(function(error,req){if(_this3.request){if(playlist.resolvedUri=resolveManifestRedirect(_this3.handleManifestRedirects,playlist.resolvedUri,req),error)return _this3.playlistRequestError(_this3.request,playlist,startingState);_this3.haveMetadata(req,playlist.uri,playlist.id),"HAVE_MASTER"===startingState?_this3.trigger("loadedmetadata"):_this3.trigger("mediachange")}}))}}}},{key:"pause",value:function(){this.stopRequest(),window$3.clearTimeout(this.mediaUpdateTimeout),"HAVE_NOTHING"===this.state&&(this.started=!1),"SWITCHING_MEDIA"===this.state?this.media_?this.state="HAVE_METADATA":this.state="HAVE_MASTER":"HAVE_CURRENT_METADATA"===this.state&&(this.state="HAVE_METADATA")}},{key:"load",value:function(isFinalRendition){var _this4=this;window$3.clearTimeout(this.mediaUpdateTimeout);var media=this.media();if(isFinalRendition){var delay=media?media.targetDuration/2*1e3:5e3;this.mediaUpdateTimeout=window$3.setTimeout((function(){return _this4.load()}),delay)}else this.started?media&&!media.endList?this.trigger("mediaupdatetimeout"):this.trigger("loadedplaylist"):this.start()}},{key:"start",value:function(){var _this5=this;this.started=!0,this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},(function(error,req){if(_this5.request){if(_this5.request=null,error)return _this5.error={status:req.status,message:"HLS playlist request error at URL: "+_this5.srcUrl+".",responseText:req.responseText,code:2},"HAVE_NOTHING"===_this5.state&&(_this5.started=!1),_this5.trigger("error");var parser=new Parser;if(_this5.customTagParsers.forEach((function(customParser){return parser.addParser(customParser)})),_this5.customTagMappers.forEach((function(mapper){return parser.addTagMapper(mapper)})),parser.push(req.responseText),parser.end(),_this5.state="HAVE_MASTER",_this5.srcUrl=resolveManifestRedirect(_this5.handleManifestRedirects,_this5.srcUrl,req),parser.manifest.uri=_this5.srcUrl,parser.manifest.playlists)return _this5.master=parser.manifest,setupMediaPlaylists(_this5.master),resolveMediaGroupUris(_this5.master),_this5.trigger("loadedplaylist"),void(_this5.request||_this5.media(parser.manifest.playlists[0]));var id=createPlaylistID(0,_this5.srcUrl);return _this5.master={mediaGroups:{AUDIO:{},VIDEO:{},"CLOSED-CAPTIONS":{},SUBTITLES:{}},uri:window$3.location.href,playlists:[{uri:_this5.srcUrl,id:id,resolvedUri:_this5.srcUrl,attributes:{}}]},_this5.master.playlists[id]=_this5.master.playlists[0],_this5.master.playlists[_this5.srcUrl]=_this5.master.playlists[0],_this5.haveMetadata(req,_this5.srcUrl,id),_this5.trigger("loadedmetadata")}}))}}]),PlaylistLoader}(EventTarget$1),createTimeRange=videojs$1.createTimeRange,intervalDuration=function(playlist,endSequence,expired){var backward,forward;return void 0===endSequence&&(endSequence=playlist.mediaSequence+playlist.segments.length),endSequence<playlist.mediaSequence?0:(backward=function(playlist,endSequence){var result=0,i=endSequence-playlist.mediaSequence,segment=playlist.segments[i];if(segment){if(void 0!==segment.start)return{result:segment.start,precise:!0};if(void 0!==segment.end)return{result:segment.end-segment.duration,precise:!0}}for(;i--;){if(void 0!==(segment=playlist.segments[i]).end)return{result:result+segment.end,precise:!0};if(result+=segment.duration,void 0!==segment.start)return{result:result+segment.start,precise:!0}}return{result:result,precise:!1}}(playlist,endSequence),backward.precise?backward.result:(forward=function(playlist,endSequence){for(var result=0,segment=void 0,i=endSequence-playlist.mediaSequence;i<playlist.segments.length;i++){if(void 0!==(segment=playlist.segments[i]).start)return{result:segment.start-result,precise:!0};if(result+=segment.duration,void 0!==segment.end)return{result:segment.end-result,precise:!0}}return{result:-1,precise:!1}}(playlist,endSequence),forward.precise?forward.result:backward.result+expired))},duration=function(playlist,endSequence,expired){if(!playlist)return 0;if("number"!=typeof expired&&(expired=0),void 0===endSequence){if(playlist.totalDuration)return playlist.totalDuration;if(!playlist.endList)return window$3.Infinity}return intervalDuration(playlist,endSequence,expired)},sumDurations=function(playlist,startIndex,endIndex){var durations=0;if(startIndex>endIndex){var _ref=[endIndex,startIndex];startIndex=_ref[0],endIndex=_ref[1]}if(startIndex<0){for(var i=startIndex;i<Math.min(0,endIndex);i++)durations+=playlist.targetDuration;startIndex=0}for(var _i=startIndex;_i<endIndex;_i++)durations+=playlist.segments[_i].duration;return durations},safeLiveIndex=function(playlist,liveEdgePadding){if(!playlist.segments.length)return 0;var i=playlist.segments.length,lastSegmentDuration=playlist.segments[i-1].duration||playlist.targetDuration,safeDistance="number"==typeof liveEdgePadding?liveEdgePadding:lastSegmentDuration+2*playlist.targetDuration;if(0===safeDistance)return i;for(var distanceFromEnd=0;i--&&!((distanceFromEnd+=playlist.segments[i].duration)>=safeDistance););return Math.max(0,i)},playlistEnd=function(playlist,expired,useSafeLiveEnd,liveEdgePadding){if(!playlist||!playlist.segments)return null;if(playlist.endList)return duration(playlist);if(null===expired)return null;expired=expired||0;var endSequence=useSafeLiveEnd?safeLiveIndex(playlist,liveEdgePadding):playlist.segments.length;return intervalDuration(playlist,playlist.mediaSequence+endSequence,expired)},isWholeNumber=function(num){return num-Math.floor(num)==0},roundSignificantDigit=function(increment,num){if(isWholeNumber(num))return num+.1*increment;for(var numDecimalDigits=num.toString().split(".")[1].length,i=1;i<=numDecimalDigits;i++){var scale=Math.pow(10,i),temp=num*scale;if(isWholeNumber(temp)||i===numDecimalDigits)return(temp+increment)/scale}},ceilLeastSignificantDigit=roundSignificantDigit.bind(null,1),floorLeastSignificantDigit=roundSignificantDigit.bind(null,-1),isBlacklisted=function(playlist){return playlist.excludeUntil&&playlist.excludeUntil>Date.now()},isIncompatible=function(playlist){return playlist.excludeUntil&&playlist.excludeUntil===1/0},isEnabled=function(playlist){var blacklisted=isBlacklisted(playlist);return!playlist.disabled&&!blacklisted},hasAttribute=function(attr,playlist){return playlist.attributes&&playlist.attributes[attr]},isLowestEnabledRendition=function(master,media){if(1===master.playlists.length)return!0;var currentBandwidth=media.attributes.BANDWIDTH||Number.MAX_VALUE;return 0===master.playlists.filter((function(playlist){return!!isEnabled(playlist)&&(playlist.attributes.BANDWIDTH||0)<currentBandwidth})).length},Playlist={duration:duration,seekable:function(playlist,expired,liveEdgePadding){var seekableStart=expired||0,seekableEnd=playlistEnd(playlist,expired,!0,liveEdgePadding);return null===seekableEnd?createTimeRange():createTimeRange(seekableStart,seekableEnd)},safeLiveIndex:safeLiveIndex,getMediaInfoForTime:function(playlist,currentTime,startIndex,startTime){var i=void 0,segment=void 0,numSegments=playlist.segments.length,time=currentTime-startTime;if(time<0){if(startIndex>0)for(i=startIndex-1;i>=0;i--)if(segment=playlist.segments[i],(time+=floorLeastSignificantDigit(segment.duration))>0)return{mediaIndex:i,startTime:startTime-sumDurations(playlist,startIndex,i)};return{mediaIndex:0,startTime:currentTime}}if(startIndex<0){for(i=startIndex;i<0;i++)if((time-=playlist.targetDuration)<0)return{mediaIndex:0,startTime:currentTime};startIndex=0}for(i=startIndex;i<numSegments;i++)if(segment=playlist.segments[i],(time-=ceilLeastSignificantDigit(segment.duration))<0)return{mediaIndex:i,startTime:startTime+sumDurations(playlist,startIndex,i)};return{mediaIndex:numSegments-1,startTime:currentTime}},isEnabled:isEnabled,isDisabled:function(playlist){return playlist.disabled},isBlacklisted:isBlacklisted,isIncompatible:isIncompatible,playlistEnd:playlistEnd,isAes:function(media){for(var i=0;i<media.segments.length;i++)if(media.segments[i].key)return!0;return!1},isFmp4:function(media){for(var i=0;i<media.segments.length;i++)if(media.segments[i].map)return!0;return!1},hasAttribute:hasAttribute,estimateSegmentRequestTime:function(segmentDuration,bandwidth,playlist){var bytesReceived=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0;if(!hasAttribute("BANDWIDTH",playlist))return NaN;var size=segmentDuration*playlist.attributes.BANDWIDTH;return(size-8*bytesReceived)/bandwidth},isLowestEnabledRendition:isLowestEnabledRendition},videojsXHR=videojs$1.xhr,mergeOptions$1$1=videojs$1.mergeOptions,xhrFactory=function(){return function XhrFunction(options,callback){options=mergeOptions$1$1({timeout:45e3},options);var beforeRequest=XhrFunction.beforeRequest||videojs$1.Hls.xhr.beforeRequest;if(beforeRequest&&"function"==typeof beforeRequest){var newOptions=beforeRequest(options);newOptions&&(options=newOptions)}var request=videojsXHR(options,(function(error,response){var reqResponse=request.response;!error&&reqResponse&&(request.responseTime=Date.now(),request.roundTripTime=request.responseTime-request.requestTime,request.bytesReceived=reqResponse.byteLength||reqResponse.length,request.bandwidth||(request.bandwidth=Math.floor(request.bytesReceived/request.roundTripTime*8*1e3))),response.headers&&(request.responseHeaders=response.headers),error&&"ETIMEDOUT"===error.code&&(request.timedout=!0),error||request.aborted||200===response.statusCode||206===response.statusCode||0===response.statusCode||(error=new Error("XHR Failed with a response of: "+(request&&(reqResponse||request.responseText)))),callback(error,request)})),originalAbort=request.abort;return request.abort=function(){return request.aborted=!0,originalAbort.apply(request,arguments)},request.uri=options.uri,request.requestTime=Date.now(),request}},segmentXhrHeaders=function(segment){var byterange,byterangeEnd,headers={};return segment.byterange&&(headers.Range=(byterange=segment.byterange,byterangeEnd=byterange.offset+byterange.length-1,"bytes="+byterange.offset+"-"+byterangeEnd)),headers},textRange=function(range,i){return range.start(i)+"-"+range.end(i)},formatHexString=function(e,i){var value=e.toString(16);return"00".substring(0,2-value.length)+value+(i%2?" ":"")},formatAsciiString=function(e){return e>=32&&e<126?String.fromCharCode(e):"."},createTransferableMessage=function(message){var transferable={};return Object.keys(message).forEach((function(key){var value=message[key];ArrayBuffer.isView(value)?transferable[key]={bytes:value.buffer,byteOffset:value.byteOffset,byteLength:value.byteLength}:transferable[key]=value})),transferable},initSegmentId=function(initSegment){var byterange=initSegment.byterange||{length:1/0,offset:0};return[byterange.length,byterange.offset,initSegment.resolvedUri].join(",")},segmentKeyId=function(key){return key.resolvedUri},hexDump=function(data){for(var bytes=Array.prototype.slice.call(data),result="",j=0;j<bytes.length/16;j++)result+=bytes.slice(16*j,16*j+16).map(formatHexString).join("")+" "+bytes.slice(16*j,16*j+16).map(formatAsciiString).join("")+"\n";return result},utils$1=Object.freeze({createTransferableMessage:createTransferableMessage,initSegmentId:initSegmentId,segmentKeyId:segmentKeyId,hexDump:hexDump,tagDump:function(_ref){var bytes=_ref.bytes;return hexDump(bytes)},textRanges:function(ranges){var result="",i=void 0;for(i=0;i<ranges.length;i++)result+=textRange(ranges,i)+" ";return result}}),getProgramTime=function(_ref){var playlist=_ref.playlist,_ref$time=_ref.time,time=void 0===_ref$time?void 0:_ref$time,callback=_ref.callback;if(!callback)throw new Error("getProgramTime: callback must be provided");if(!playlist||void 0===time)return callback({message:"getProgramTime: playlist and time must be provided"});var matchedSegment=function(time,playlist){if(!playlist||!playlist.segments||0===playlist.segments.length)return null;for(var segmentEnd=0,segment=void 0,i=0;i<playlist.segments.length&&!(time<=(segmentEnd=(segment=playlist.segments[i]).videoTimingInfo?segment.videoTimingInfo.transmuxedPresentationEnd:segmentEnd+segment.duration));i++);var lastSegment=playlist.segments[playlist.segments.length-1];if(lastSegment.videoTimingInfo&&lastSegment.videoTimingInfo.transmuxedPresentationEnd<time)return null;if(time>segmentEnd){if(time>segmentEnd+.25*lastSegment.duration)return null;segment=lastSegment}return{segment:segment,estimatedStart:segment.videoTimingInfo?segment.videoTimingInfo.transmuxedPresentationStart:segmentEnd-segment.duration,type:segment.videoTimingInfo?"accurate":"estimate"}}(time,playlist);if(!matchedSegment)return callback({message:"valid programTime was not found"});if("estimate"===matchedSegment.type)return callback({message:"Accurate programTime could not be determined. Please seek to e.seekTime and try again",seekTime:matchedSegment.estimatedStart});var programTimeObject={mediaSeconds:time},programTime=function(playerTime,segment){if(!segment.dateTimeObject)return null;var transmuxerPrependedSeconds=segment.videoTimingInfo.transmuxerPrependedSeconds,offsetFromSegmentStart=playerTime-(segment.videoTimingInfo.transmuxedPresentationStart+transmuxerPrependedSeconds);return new Date(segment.dateTimeObject.getTime()+1e3*offsetFromSegmentStart)}(time,matchedSegment.segment);return programTime&&(programTimeObject.programDateTime=programTime.toISOString()),callback(null,programTimeObject)},seekToProgramTime=function seekToProgramTime(_ref2){var programTime=_ref2.programTime,playlist=_ref2.playlist,_ref2$retryCount=_ref2.retryCount,retryCount=void 0===_ref2$retryCount?2:_ref2$retryCount,seekTo=_ref2.seekTo,_ref2$pauseAfterSeek=_ref2.pauseAfterSeek,pauseAfterSeek=void 0===_ref2$pauseAfterSeek||_ref2$pauseAfterSeek,tech=_ref2.tech,callback=_ref2.callback;if(!callback)throw new Error("seekToProgramTime: callback must be provided");if(void 0===programTime||!playlist||!seekTo)return callback({message:"seekToProgramTime: programTime, seekTo and playlist must be provided"});if(!playlist.endList&&!tech.hasStarted_)return callback({message:"player must be playing a live stream to start buffering"});if(!function(playlist){if(!playlist.segments||0===playlist.segments.length)return!1;for(var i=0;i<playlist.segments.length;i++)if(!playlist.segments[i].dateTimeObject)return!1;return!0}(playlist))return callback({message:"programDateTime tags must be provided in the manifest "+playlist.resolvedUri});var matchedSegment=function(programTime,playlist){var dateTimeObject=void 0;try{dateTimeObject=new Date(programTime)}catch(e){return null}if(!playlist||!playlist.segments||0===playlist.segments.length)return null;var segment=playlist.segments[0];if(dateTimeObject<segment.dateTimeObject)return null;for(var i=0;i<playlist.segments.length-1&&(segment=playlist.segments[i],!(dateTimeObject<playlist.segments[i+1].dateTimeObject));i++);var videoTimingInfo,lastSegment=playlist.segments[playlist.segments.length-1],lastSegmentStart=lastSegment.dateTimeObject,lastSegmentDuration=lastSegment.videoTimingInfo?(videoTimingInfo=lastSegment.videoTimingInfo).transmuxedPresentationEnd-videoTimingInfo.transmuxedPresentationStart-videoTimingInfo.transmuxerPrependedSeconds:lastSegment.duration+.25*lastSegment.duration;return dateTimeObject>new Date(lastSegmentStart.getTime()+1e3*lastSegmentDuration)?null:(dateTimeObject>lastSegmentStart&&(segment=lastSegment),{segment:segment,estimatedStart:segment.videoTimingInfo?segment.videoTimingInfo.transmuxedPresentationStart:Playlist.duration(playlist,playlist.mediaSequence+playlist.segments.indexOf(segment)),type:segment.videoTimingInfo?"accurate":"estimate"})}(programTime,playlist);if(!matchedSegment)return callback({message:programTime+" was not found in the stream"});var segment=matchedSegment.segment,mediaOffset=function(comparisonTimeStamp,programTime){var segmentDateTime=void 0,programDateTime=void 0;try{segmentDateTime=new Date(comparisonTimeStamp),programDateTime=new Date(programTime)}catch(e){}var segmentTimeEpoch=segmentDateTime.getTime();return(programDateTime.getTime()-segmentTimeEpoch)/1e3}(segment.dateTimeObject,programTime);if("estimate"===matchedSegment.type)return 0===retryCount?callback({message:programTime+" is not buffered yet. Try again"}):(seekTo(matchedSegment.estimatedStart+mediaOffset),void tech.one("seeked",(function(){seekToProgramTime({programTime:programTime,playlist:playlist,retryCount:retryCount-1,seekTo:seekTo,pauseAfterSeek:pauseAfterSeek,tech:tech,callback:callback})})));var seekToTime=segment.start+mediaOffset;tech.one("seeked",(function(){return callback(null,tech.currentTime())})),pauseAfterSeek&&tech.pause(),seekTo(seekToTime)},filterRanges=function(timeRanges,predicate){var results=[],i=void 0;if(timeRanges&&timeRanges.length)for(i=0;i<timeRanges.length;i++)predicate(timeRanges.start(i),timeRanges.end(i))&&results.push([timeRanges.start(i),timeRanges.end(i)]);return videojs$1.createTimeRanges(results)},findRange=function(buffered,time){return filterRanges(buffered,(function(start,end){return start-.1<=time&&end+.1>=time}))},findNextRange=function(timeRanges,time){return filterRanges(timeRanges,(function(start){return start-.03333333333333333>=time}))},printableRange=function(range){var strArr=[];if(!range||!range.length)return"";for(var i=0;i<range.length;i++)strArr.push(range.start(i)+" => "+range.end(i));return strArr.join(", ")},timeRangesToArray=function(timeRanges){for(var timeRangesList=[],i=0;i<timeRanges.length;i++)timeRangesList.push({start:timeRanges.start(i),end:timeRanges.end(i)});return timeRangesList},removeCuesFromTrack=function(start,end,track){var i=void 0,cue=void 0;if(track&&track.cues)for(i=track.cues.length;i--;)(cue=track.cues[i]).startTime<=end&&cue.endTime>=start&&track.removeCue(cue)},durationOfVideo=function(duration){return isNaN(duration)||Math.abs(duration)===1/0?Number.MAX_VALUE:duration},addTextTrackData=function(sourceHandler,captionArray,metadataArray){var Cue=window$3.WebKitDataCue||window$3.VTTCue;if(captionArray&&captionArray.forEach((function(caption){var track=caption.stream;this.inbandTextTracks_[track].addCue(new Cue(caption.startTime+this.timestampOffset,caption.endTime+this.timestampOffset,caption.text))}),sourceHandler),metadataArray){var videoDuration=durationOfVideo(sourceHandler.mediaSource_.duration);if(metadataArray.forEach((function(metadata){var time=metadata.cueTime+this.timestampOffset;!("number"!=typeof time||window$3.isNaN(time)||time<0)&&time<1/0&&metadata.frames.forEach((function(frame){var cue=new Cue(time,time,frame.value||frame.url||frame.data||"");cue.frame=frame,cue.value=frame,function(cue){Object.defineProperties(cue.frame,{id:{get:function(){return videojs$1.log.warn("cue.frame.id is deprecated. Use cue.value.key instead."),cue.value.key}},value:{get:function(){return videojs$1.log.warn("cue.frame.value is deprecated. Use cue.value.data instead."),cue.value.data}},privateData:{get:function(){return videojs$1.log.warn("cue.frame.privateData is deprecated. Use cue.value.data instead."),cue.value.data}}})}(cue),this.metadataTrack_.addCue(cue)}),this)}),sourceHandler),sourceHandler.metadataTrack_&&sourceHandler.metadataTrack_.cues&&sourceHandler.metadataTrack_.cues.length){for(var cues=sourceHandler.metadataTrack_.cues,cuesArray=[],i=0;i<cues.length;i++)cues[i]&&cuesArray.push(cues[i]);var cuesGroupedByStartTime=cuesArray.reduce((function(obj,cue){var timeSlot=obj[cue.startTime]||[];return timeSlot.push(cue),obj[cue.startTime]=timeSlot,obj}),{}),sortedStartTimes=Object.keys(cuesGroupedByStartTime).sort((function(a,b){return Number(a)-Number(b)}));sortedStartTimes.forEach((function(startTime,idx){var cueGroup=cuesGroupedByStartTime[startTime],nextTime=Number(sortedStartTimes[idx+1])||videoDuration;cueGroup.forEach((function(cue){cue.endTime=nextTime}))}))}}},win="undefined"!=typeof window?window:{},TARGET="undefined"==typeof Symbol?"__target":Symbol(),BlobBuilder=win.BlobBuilder||win.WebKitBlobBuilder||win.MozBlobBuilder||win.MSBlobBuilder,URL=win.URL||win.webkitURL||URL&&URL.msURL,Worker=win.Worker;function shimWorker(filename,fn){return function(forceFallback){var o=this;if(!fn)return new Worker(filename);if(Worker&&!forceFallback){var objURL=createSourceObject(fn.toString().replace(/^function.+?{/,"").slice(0,-1));return this[TARGET]=new Worker(objURL),function(worker,objURL){if(worker&&objURL){var term=worker.terminate;worker.objURL=objURL,worker.terminate=function(){worker.objURL&&URL.revokeObjectURL(worker.objURL),term.call(worker)}}}(this[TARGET],objURL),this[TARGET]}var selfShim={postMessage:function(m){o.onmessage&&setTimeout((function(){o.onmessage({data:m,target:selfShim})}))}};fn.call(selfShim),this.postMessage=function(m){setTimeout((function(){selfShim.onmessage({data:m,target:o})}))},this.isThisThread=!0}}if(Worker){var testWorker,objURL=createSourceObject("self.onmessage = function () {}"),testArray=new Uint8Array(1);try{(testWorker=new Worker(objURL)).postMessage(testArray,[testArray.buffer])}catch(e){Worker=null}finally{URL.revokeObjectURL(objURL),testWorker&&testWorker.terminate()}}function createSourceObject(str){try{return URL.createObjectURL(new Blob([str],{type:"application/javascript"}))}catch(e){var blob=new BlobBuilder;return blob.append(str),URL.createObjectURL(blob.getBlob(type))}}var TransmuxWorker=new shimWorker("./transmuxer-worker.worker.js",(function(window,document$$1){var self=this;!function(){var Stream=function(){this.init=function(){var listeners={};this.on=function(type,listener){listeners[type]||(listeners[type]=[]),listeners[type]=listeners[type].concat(listener)},this.off=function(type,listener){var index;return!!listeners[type]&&(index=listeners[type].indexOf(listener),listeners[type]=listeners[type].slice(),listeners[type].splice(index,1),index>-1)},this.trigger=function(type){var callbacks,i,length,args;if(callbacks=listeners[type])if(2===arguments.length)for(length=callbacks.length,i=0;i<length;++i)callbacks[i].call(this,arguments[1]);else{for(args=[],i=arguments.length,i=1;i<arguments.length;++i)args.push(arguments[i]);for(length=callbacks.length,i=0;i<length;++i)callbacks[i].apply(this,args)}},this.dispose=function(){listeners={}}}};Stream.prototype.pipe=function(destination){return this.on("data",(function(data){destination.push(data)})),this.on("done",(function(flushSource){destination.flush(flushSource)})),this.on("partialdone",(function(flushSource){destination.partialFlush(flushSource)})),this.on("endedtimeline",(function(flushSource){destination.endTimeline(flushSource)})),this.on("reset",(function(flushSource){destination.reset(flushSource)})),destination},Stream.prototype.push=function(data){this.trigger("data",data)},Stream.prototype.flush=function(flushSource){this.trigger("done",flushSource)},Stream.prototype.partialFlush=function(flushSource){this.trigger("partialdone",flushSource)},Stream.prototype.endTimeline=function(flushSource){this.trigger("endedtimeline",flushSource)},Stream.prototype.reset=function(flushSource){this.trigger("reset",flushSource)};var box,dinf,esds,ftyp,mfhd,minf,moof,moov,mvex,mvhd,trak,tkhd,mdia,mdhd,hdlr,sdtp,stbl,stsd,traf,trex,trun,types,MAJOR_BRAND,MINOR_VERSION,AVC1_BRAND,VIDEO_HDLR,AUDIO_HDLR,HDLR_TYPES,VMHD,SMHD,DREF,STCO,STSC,STSZ,STTS,videoSample,audioSample,audioTrun,videoTrun,trunHeader,stream=Stream,UINT32_MAX=Math.pow(2,32)-1;!function(){var i;if(types={avc1:[],avcC:[],btrt:[],dinf:[],dref:[],esds:[],ftyp:[],hdlr:[],mdat:[],mdhd:[],mdia:[],mfhd:[],minf:[],moof:[],moov:[],mp4a:[],mvex:[],mvhd:[],pasp:[],sdtp:[],smhd:[],stbl:[],stco:[],stsc:[],stsd:[],stsz:[],stts:[],styp:[],tfdt:[],tfhd:[],traf:[],trak:[],trun:[],trex:[],tkhd:[],vmhd:[]},"undefined"!=typeof Uint8Array){for(i in types)types.hasOwnProperty(i)&&(types[i]=[i.charCodeAt(0),i.charCodeAt(1),i.charCodeAt(2),i.charCodeAt(3)]);MAJOR_BRAND=new Uint8Array(["i".charCodeAt(0),"s".charCodeAt(0),"o".charCodeAt(0),"m".charCodeAt(0)]),AVC1_BRAND=new Uint8Array(["a".charCodeAt(0),"v".charCodeAt(0),"c".charCodeAt(0),"1".charCodeAt(0)]),MINOR_VERSION=new Uint8Array([0,0,0,1]),VIDEO_HDLR=new Uint8Array([0,0,0,0,0,0,0,0,118,105,100,101,0,0,0,0,0,0,0,0,0,0,0,0,86,105,100,101,111,72,97,110,100,108,101,114,0]),AUDIO_HDLR=new Uint8Array([0,0,0,0,0,0,0,0,115,111,117,110,0,0,0,0,0,0,0,0,0,0,0,0,83,111,117,110,100,72,97,110,100,108,101,114,0]),HDLR_TYPES={video:VIDEO_HDLR,audio:AUDIO_HDLR},DREF=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,12,117,114,108,32,0,0,0,1]),SMHD=new Uint8Array([0,0,0,0,0,0,0,0]),STCO=new Uint8Array([0,0,0,0,0,0,0,0]),STSC=STCO,STSZ=new Uint8Array([0,0,0,0,0,0,0,0,0,0,0,0]),STTS=STCO,VMHD=new Uint8Array([0,0,0,1,0,0,0,0,0,0,0,0])}}(),box=function(type){var i,result,payload=[],size=0;for(i=1;i<arguments.length;i++)payload.push(arguments[i]);for(i=payload.length;i--;)size+=payload[i].byteLength;for(result=new Uint8Array(size+8),new DataView(result.buffer,result.byteOffset,result.byteLength).setUint32(0,result.byteLength),result.set(type,4),i=0,size=8;i<payload.length;i++)result.set(payload[i],size),size+=payload[i].byteLength;return result},dinf=function(){return box(types.dinf,box(types.dref,DREF))},esds=function(track){return box(types.esds,new Uint8Array([0,0,0,0,3,25,0,0,0,4,17,64,21,0,6,0,0,0,218,192,0,0,218,192,5,2,track.audioobjecttype<<3|track.samplingfrequencyindex>>>1,track.samplingfrequencyindex<<7|track.channelcount<<3,6,1,2]))},hdlr=function(type){return box(types.hdlr,HDLR_TYPES[type])},mdhd=function(track){var result=new Uint8Array([0,0,0,0,0,0,0,2,0,0,0,3,0,1,95,144,track.duration>>>24&255,track.duration>>>16&255,track.duration>>>8&255,255&track.duration,85,196,0,0]);return track.samplerate&&(result[12]=track.samplerate>>>24&255,result[13]=track.samplerate>>>16&255,result[14]=track.samplerate>>>8&255,result[15]=255&track.samplerate),box(types.mdhd,result)},mdia=function(track){return box(types.mdia,mdhd(track),hdlr(track.type),minf(track))},mfhd=function(sequenceNumber){return box(types.mfhd,new Uint8Array([0,0,0,0,(4278190080&sequenceNumber)>>24,(16711680&sequenceNumber)>>16,(65280&sequenceNumber)>>8,255&sequenceNumber]))},minf=function(track){return box(types.minf,"video"===track.type?box(types.vmhd,VMHD):box(types.smhd,SMHD),dinf(),stbl(track))},moof=function(sequenceNumber,tracks){for(var trackFragments=[],i=tracks.length;i--;)trackFragments[i]=traf(tracks[i]);return box.apply(null,[types.moof,mfhd(sequenceNumber)].concat(trackFragments))},moov=function(tracks){for(var i=tracks.length,boxes=[];i--;)boxes[i]=trak(tracks[i]);return box.apply(null,[types.moov,mvhd(4294967295)].concat(boxes).concat(mvex(tracks)))},mvex=function(tracks){for(var i=tracks.length,boxes=[];i--;)boxes[i]=trex(tracks[i]);return box.apply(null,[types.mvex].concat(boxes))},mvhd=function(duration){var bytes=new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,2,0,1,95,144,(4278190080&duration)>>24,(16711680&duration)>>16,(65280&duration)>>8,255&duration,0,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,255,255,255,255]);return box(types.mvhd,bytes)},sdtp=function(track){var flags,i,samples=track.samples||[],bytes=new Uint8Array(4+samples.length);for(i=0;i<samples.length;i++)flags=samples[i].flags,bytes[i+4]=flags.dependsOn<<4|flags.isDependedOn<<2|flags.hasRedundancy;return box(types.sdtp,bytes)},stbl=function(track){return box(types.stbl,stsd(track),box(types.stts,STTS),box(types.stsc,STSC),box(types.stsz,STSZ),box(types.stco,STCO))},stsd=function(track){return box(types.stsd,new Uint8Array([0,0,0,0,0,0,0,1]),"video"===track.type?videoSample(track):audioSample(track))},videoSample=function(track){var i,avc1Box,sps=track.sps||[],pps=track.pps||[],sequenceParameterSets=[],pictureParameterSets=[];for(i=0;i<sps.length;i++)sequenceParameterSets.push((65280&sps[i].byteLength)>>>8),sequenceParameterSets.push(255&sps[i].byteLength),sequenceParameterSets=sequenceParameterSets.concat(Array.prototype.slice.call(sps[i]));for(i=0;i<pps.length;i++)pictureParameterSets.push((65280&pps[i].byteLength)>>>8),pictureParameterSets.push(255&pps[i].byteLength),pictureParameterSets=pictureParameterSets.concat(Array.prototype.slice.call(pps[i]));if(avc1Box=[types.avc1,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,(65280&track.width)>>8,255&track.width,(65280&track.height)>>8,255&track.height,0,72,0,0,0,72,0,0,0,0,0,0,0,1,19,118,105,100,101,111,106,115,45,99,111,110,116,114,105,98,45,104,108,115,0,0,0,0,0,0,0,0,0,0,0,0,0,24,17,17]),box(types.avcC,new Uint8Array([1,track.profileIdc,track.profileCompatibility,track.levelIdc,255].concat([sps.length],sequenceParameterSets,[pps.length],pictureParameterSets))),box(types.btrt,new Uint8Array([0,28,156,128,0,45,198,192,0,45,198,192]))],track.sarRatio){var hSpacing=track.sarRatio[0],vSpacing=track.sarRatio[1];avc1Box.push(box(types.pasp,new Uint8Array([(4278190080&hSpacing)>>24,(16711680&hSpacing)>>16,(65280&hSpacing)>>8,255&hSpacing,(4278190080&vSpacing)>>24,(16711680&vSpacing)>>16,(65280&vSpacing)>>8,255&vSpacing])))}return box.apply(null,avc1Box)},audioSample=function(track){return box(types.mp4a,new Uint8Array([0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,(65280&track.channelcount)>>8,255&track.channelcount,(65280&track.samplesize)>>8,255&track.samplesize,0,0,0,0,(65280&track.samplerate)>>8,255&track.samplerate,0,0]),esds(track))},tkhd=function(track){var result=new Uint8Array([0,0,0,7,0,0,0,0,0,0,0,0,(4278190080&track.id)>>24,(16711680&track.id)>>16,(65280&track.id)>>8,255&track.id,0,0,0,0,(4278190080&track.duration)>>24,(16711680&track.duration)>>16,(65280&track.duration)>>8,255&track.duration,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,64,0,0,0,(65280&track.width)>>8,255&track.width,0,0,(65280&track.height)>>8,255&track.height,0,0]);return box(types.tkhd,result)},traf=function(track){var trackFragmentHeader,trackFragmentDecodeTime,trackFragmentRun,sampleDependencyTable,upperWordBaseMediaDecodeTime,lowerWordBaseMediaDecodeTime;return trackFragmentHeader=box(types.tfhd,new Uint8Array([0,0,0,58,(4278190080&track.id)>>24,(16711680&track.id)>>16,(65280&track.id)>>8,255&track.id,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0])),upperWordBaseMediaDecodeTime=Math.floor(track.baseMediaDecodeTime/(UINT32_MAX+1)),lowerWordBaseMediaDecodeTime=Math.floor(track.baseMediaDecodeTime%(UINT32_MAX+1)),trackFragmentDecodeTime=box(types.tfdt,new Uint8Array([1,0,0,0,upperWordBaseMediaDecodeTime>>>24&255,upperWordBaseMediaDecodeTime>>>16&255,upperWordBaseMediaDecodeTime>>>8&255,255&upperWordBaseMediaDecodeTime,lowerWordBaseMediaDecodeTime>>>24&255,lowerWordBaseMediaDecodeTime>>>16&255,lowerWordBaseMediaDecodeTime>>>8&255,255&lowerWordBaseMediaDecodeTime])),"audio"===track.type?(trackFragmentRun=trun(track,92),box(types.traf,trackFragmentHeader,trackFragmentDecodeTime,trackFragmentRun)):(sampleDependencyTable=sdtp(track),trackFragmentRun=trun(track,sampleDependencyTable.length+92),box(types.traf,trackFragmentHeader,trackFragmentDecodeTime,trackFragmentRun,sampleDependencyTable))},trak=function(track){return track.duration=track.duration||4294967295,box(types.trak,tkhd(track),mdia(track))},trex=function(track){var result=new Uint8Array([0,0,0,0,(4278190080&track.id)>>24,(16711680&track.id)>>16,(65280&track.id)>>8,255&track.id,0,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1]);return"video"!==track.type&&(result[result.length-1]=0),box(types.trex,result)},trunHeader=function(samples,offset){var durationPresent=0,sizePresent=0,flagsPresent=0,compositionTimeOffset=0;return samples.length&&(void 0!==samples[0].duration&&(durationPresent=1),void 0!==samples[0].size&&(sizePresent=2),void 0!==samples[0].flags&&(flagsPresent=4),void 0!==samples[0].compositionTimeOffset&&(compositionTimeOffset=8)),[0,0,durationPresent|sizePresent|flagsPresent|compositionTimeOffset,1,(4278190080&samples.length)>>>24,(16711680&samples.length)>>>16,(65280&samples.length)>>>8,255&samples.length,(4278190080&offset)>>>24,(16711680&offset)>>>16,(65280&offset)>>>8,255&offset]},videoTrun=function(track,offset){var bytes,samples,sample,i;for(offset+=20+16*(samples=track.samples||[]).length,bytes=trunHeader(samples,offset),i=0;i<samples.length;i++)sample=samples[i],bytes=bytes.concat([(4278190080&sample.duration)>>>24,(16711680&sample.duration)>>>16,(65280&sample.duration)>>>8,255&sample.duration,(4278190080&sample.size)>>>24,(16711680&sample.size)>>>16,(65280&sample.size)>>>8,255&sample.size,sample.flags.isLeading<<2|sample.flags.dependsOn,sample.flags.isDependedOn<<6|sample.flags.hasRedundancy<<4|sample.flags.paddingValue<<1|sample.flags.isNonSyncSample,61440&sample.flags.degradationPriority,15&sample.flags.degradationPriority,(4278190080&sample.compositionTimeOffset)>>>24,(16711680&sample.compositionTimeOffset)>>>16,(65280&sample.compositionTimeOffset)>>>8,255&sample.compositionTimeOffset]);return box(types.trun,new Uint8Array(bytes))},audioTrun=function(track,offset){var bytes,samples,sample,i;for(offset+=20+8*(samples=track.samples||[]).length,bytes=trunHeader(samples,offset),i=0;i<samples.length;i++)sample=samples[i],bytes=bytes.concat([(4278190080&sample.duration)>>>24,(16711680&sample.duration)>>>16,(65280&sample.duration)>>>8,255&sample.duration,(4278190080&sample.size)>>>24,(16711680&sample.size)>>>16,(65280&sample.size)>>>8,255&sample.size]);return box(types.trun,new Uint8Array(bytes))},trun=function(track,offset){return"audio"===track.type?audioTrun(track,offset):videoTrun(track,offset)},ftyp=function(){return box(types.ftyp,MAJOR_BRAND,MINOR_VERSION,MAJOR_BRAND,AVC1_BRAND)};var metaTable,secondsToVideoTs,secondsToAudioTs,videoTsToSeconds,audioTsToSeconds,audioTsToVideoTs,videoTsToAudioTs,metadataTsToSeconds,mp4Generator_mdat=function(data){return box(types.mdat,data)},mp4Generator_moof=moof,mp4Generator_initSegment=function(tracks){var result,fileType=ftyp(),movie=moov(tracks);return(result=new Uint8Array(fileType.byteLength+movie.byteLength)).set(fileType),result.set(movie,fileType.byteLength),result},sampleForFrame=function(frame,dataOffset){var sample={size:0,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0,degradationPriority:0,isNonSyncSample:1}};return sample.dataOffset=dataOffset,sample.compositionTimeOffset=frame.pts-frame.dts,sample.duration=frame.duration,sample.size=4*frame.length,sample.size+=frame.byteLength,frame.keyFrame&&(sample.flags.dependsOn=2,sample.flags.isNonSyncSample=0),sample},frameUtils_groupNalsIntoFrames=function(nalUnits){var i,currentNal,currentFrame=[],frames=[];for(frames.byteLength=0,frames.nalCount=0,frames.duration=0,currentFrame.byteLength=0,i=0;i<nalUnits.length;i++)"access_unit_delimiter_rbsp"===(currentNal=nalUnits[i]).nalUnitType?(currentFrame.length&&(currentFrame.duration=currentNal.dts-currentFrame.dts,frames.byteLength+=currentFrame.byteLength,frames.nalCount+=currentFrame.length,frames.duration+=currentFrame.duration,frames.push(currentFrame)),(currentFrame=[currentNal]).byteLength=currentNal.data.byteLength,currentFrame.pts=currentNal.pts,currentFrame.dts=currentNal.dts):("slice_layer_without_partitioning_rbsp_idr"===currentNal.nalUnitType&&(currentFrame.keyFrame=!0),currentFrame.duration=currentNal.dts-currentFrame.dts,currentFrame.byteLength+=currentNal.data.byteLength,currentFrame.push(currentNal));return frames.length&&(!currentFrame.duration||currentFrame.duration<=0)&&(currentFrame.duration=frames[frames.length-1].duration),frames.byteLength+=currentFrame.byteLength,frames.nalCount+=currentFrame.length,frames.duration+=currentFrame.duration,frames.push(currentFrame),frames},frameUtils_groupFramesIntoGops=function(frames){var i,currentFrame,currentGop=[],gops=[];for(currentGop.byteLength=0,currentGop.nalCount=0,currentGop.duration=0,currentGop.pts=frames[0].pts,currentGop.dts=frames[0].dts,gops.byteLength=0,gops.nalCount=0,gops.duration=0,gops.pts=frames[0].pts,gops.dts=frames[0].dts,i=0;i<frames.length;i++)(currentFrame=frames[i]).keyFrame?(currentGop.length&&(gops.push(currentGop),gops.byteLength+=currentGop.byteLength,gops.nalCount+=currentGop.nalCount,gops.duration+=currentGop.duration),(currentGop=[currentFrame]).nalCount=currentFrame.length,currentGop.byteLength=currentFrame.byteLength,currentGop.pts=currentFrame.pts,currentGop.dts=currentFrame.dts,currentGop.duration=currentFrame.duration):(currentGop.duration+=currentFrame.duration,currentGop.nalCount+=currentFrame.length,currentGop.byteLength+=currentFrame.byteLength,currentGop.push(currentFrame));return gops.length&&currentGop.duration<=0&&(currentGop.duration=gops[gops.length-1].duration),gops.byteLength+=currentGop.byteLength,gops.nalCount+=currentGop.nalCount,gops.duration+=currentGop.duration,gops.push(currentGop),gops},frameUtils_extendFirstKeyFrame=function(gops){var currentGop;return!gops[0][0].keyFrame&&gops.length>1&&(currentGop=gops.shift(),gops.byteLength-=currentGop.byteLength,gops.nalCount-=currentGop.nalCount,gops[0][0].dts=currentGop.dts,gops[0][0].pts=currentGop.pts,gops[0][0].duration+=currentGop.duration),gops},frameUtils_generateSampleTable=function(gops,baseDataOffset){var h,i,sample,currentGop,currentFrame,dataOffset=baseDataOffset||0,samples=[];for(h=0;h<gops.length;h++)for(currentGop=gops[h],i=0;i<currentGop.length;i++)currentFrame=currentGop[i],dataOffset+=(sample=sampleForFrame(currentFrame,dataOffset)).size,samples.push(sample);return samples},frameUtils_concatenateNalData=function(gops){var h,i,j,currentGop,currentFrame,currentNal,dataOffset=0,nalsByteLength=gops.byteLength,numberOfNals=gops.nalCount,data=new Uint8Array(nalsByteLength+4*numberOfNals),view=new DataView(data.buffer);for(h=0;h<gops.length;h++)for(currentGop=gops[h],i=0;i<currentGop.length;i++)for(currentFrame=currentGop[i],j=0;j<currentFrame.length;j++)currentNal=currentFrame[j],view.setUint32(dataOffset,currentNal.data.byteLength),dataOffset+=4,data.set(currentNal.data,dataOffset),dataOffset+=currentNal.data.byteLength;return data},highPrefix=[33,16,5,32,164,27],lowPrefix=[33,65,108,84,1,2,4,8,168,2,4,8,17,191,252],zeroFill=function(count){for(var a=[];count--;)a.push(0);return a},coneOfSilence={96e3:[highPrefix,[227,64],zeroFill(154),[56]],88200:[highPrefix,[231],zeroFill(170),[56]],64e3:[highPrefix,[248,192],zeroFill(240),[56]],48e3:[highPrefix,[255,192],zeroFill(268),[55,148,128],zeroFill(54),[112]],44100:[highPrefix,[255,192],zeroFill(268),[55,163,128],zeroFill(84),[112]],32e3:[highPrefix,[255,192],zeroFill(268),[55,234],zeroFill(226),[112]],24e3:[highPrefix,[255,192],zeroFill(268),[55,255,128],zeroFill(268),[111,112],zeroFill(126),[224]],16e3:[highPrefix,[255,192],zeroFill(268),[55,255,128],zeroFill(268),[111,255],zeroFill(269),[223,108],zeroFill(195),[1,192]],12e3:[lowPrefix,zeroFill(268),[3,127,248],zeroFill(268),[6,255,240],zeroFill(268),[13,255,224],zeroFill(268),[27,253,128],zeroFill(259),[56]],11025:[lowPrefix,zeroFill(268),[3,127,248],zeroFill(268),[6,255,240],zeroFill(268),[13,255,224],zeroFill(268),[27,255,192],zeroFill(268),[55,175,128],zeroFill(108),[112]],8e3:[lowPrefix,zeroFill(268),[3,121,16],zeroFill(47),[7]]},silence=(metaTable=coneOfSilence,Object.keys(metaTable).reduce((function(obj,key){return obj[key]=new Uint8Array(metaTable[key].reduce((function(arr,part){return arr.concat(part)}),[])),obj}),{}));audioTsToVideoTs=function(timestamp,sampleRate){return secondsToVideoTs(audioTsToSeconds(timestamp,sampleRate))},videoTsToAudioTs=function(timestamp,sampleRate){return secondsToAudioTs(videoTsToSeconds(timestamp),sampleRate)},metadataTsToSeconds=function(timestamp,timelineStartPts,keepOriginalTimestamps){return videoTsToSeconds(keepOriginalTimestamps?timestamp:timestamp-timelineStartPts)};var clock_ONE_SECOND_IN_TS$0=9e4,clock_audioTsToVideoTs$0=(secondsToVideoTs=function(seconds){return 9e4*seconds},secondsToAudioTs=function(seconds,sampleRate){return seconds*sampleRate},videoTsToSeconds=function(timestamp){return timestamp/9e4},audioTsToSeconds=function(timestamp,sampleRate){return timestamp/sampleRate},audioTsToVideoTs),clock_videoTsToAudioTs$0=videoTsToAudioTs,clock_metadataTsToSeconds$0=metadataTsToSeconds,audioFrameUtils_prefixWithSilence=function(track,frames,audioAppendStartTs,videoBaseMediaDecodeTime){var baseMediaDecodeTimeTs,frameDuration,silentFrame,i,firstFrame,audioGapDuration=0,audioFillFrameCount=0,audioFillDuration=0;if(frames.length&&(baseMediaDecodeTimeTs=clock_audioTsToVideoTs$0(track.baseMediaDecodeTime,track.samplerate),frameDuration=Math.ceil(clock_ONE_SECOND_IN_TS$0/(track.samplerate/1024)),audioAppendStartTs&&videoBaseMediaDecodeTime&&(audioGapDuration=baseMediaDecodeTimeTs-Math.max(audioAppendStartTs,videoBaseMediaDecodeTime),audioFillDuration=(audioFillFrameCount=Math.floor(audioGapDuration/frameDuration))*frameDuration),!(audioFillFrameCount<1||audioFillDuration>clock_ONE_SECOND_IN_TS$0/2))){for((silentFrame=silence[track.samplerate])||(silentFrame=frames[0].data),i=0;i<audioFillFrameCount;i++)firstFrame=frames[0],frames.splice(0,0,{data:silentFrame,dts:firstFrame.dts-frameDuration,pts:firstFrame.pts-frameDuration});track.baseMediaDecodeTime-=Math.floor(clock_videoTsToAudioTs$0(audioFillDuration,track.samplerate))}},audioFrameUtils_trimAdtsFramesByEarliestDts=function(adtsFrames,track,earliestAllowedDts){return track.minSegmentDts>=earliestAllowedDts?adtsFrames:(track.minSegmentDts=1/0,adtsFrames.filter((function(currentFrame){return currentFrame.dts>=earliestAllowedDts&&(track.minSegmentDts=Math.min(track.minSegmentDts,currentFrame.dts),track.minSegmentPts=track.minSegmentDts,!0)})))},audioFrameUtils_generateSampleTable=function(frames){var i,currentFrame,samples=[];for(i=0;i<frames.length;i++)currentFrame=frames[i],samples.push({size:currentFrame.data.byteLength,duration:1024});return samples},audioFrameUtils_concatenateFrameData=function(frames){var i,currentFrame,dataOffset=0,data=new Uint8Array(function(array){var i,sum=0;for(i=0;i<array.length;i++)sum+=array[i].data.byteLength;return sum}(frames));for(i=0;i<frames.length;i++)currentFrame=frames[i],data.set(currentFrame.data,dataOffset),dataOffset+=currentFrame.data.byteLength;return data},ONE_SECOND_IN_TS$1=clock_ONE_SECOND_IN_TS$0,trackDecodeInfo_clearDtsInfo=function(track){delete track.minSegmentDts,delete track.maxSegmentDts,delete track.minSegmentPts,delete track.maxSegmentPts},trackDecodeInfo_calculateTrackBaseMediaDecodeTime=function(track,keepOriginalTimestamps){var baseMediaDecodeTime,minSegmentDts=track.minSegmentDts;return keepOriginalTimestamps||(minSegmentDts-=track.timelineStartInfo.dts),baseMediaDecodeTime=track.timelineStartInfo.baseMediaDecodeTime,baseMediaDecodeTime+=minSegmentDts,baseMediaDecodeTime=Math.max(0,baseMediaDecodeTime),"audio"===track.type&&(baseMediaDecodeTime*=track.samplerate/ONE_SECOND_IN_TS$1,baseMediaDecodeTime=Math.floor(baseMediaDecodeTime)),baseMediaDecodeTime},trackDecodeInfo_collectDtsInfo=function(track,data){"number"==typeof data.pts&&(void 0===track.timelineStartInfo.pts&&(track.timelineStartInfo.pts=data.pts),void 0===track.minSegmentPts?track.minSegmentPts=data.pts:track.minSegmentPts=Math.min(track.minSegmentPts,data.pts),void 0===track.maxSegmentPts?track.maxSegmentPts=data.pts:track.maxSegmentPts=Math.max(track.maxSegmentPts,data.pts)),"number"==typeof data.dts&&(void 0===track.timelineStartInfo.dts&&(track.timelineStartInfo.dts=data.dts),void 0===track.minSegmentDts?track.minSegmentDts=data.dts:track.minSegmentDts=Math.min(track.minSegmentDts,data.dts),void 0===track.maxSegmentDts?track.maxSegmentDts=data.dts:track.maxSegmentDts=Math.max(track.maxSegmentDts,data.dts))},captionPacketParser_parseSei$0=function(bytes){for(var i=0,result={payloadType:-1,payloadSize:0},payloadType=0,payloadSize=0;i<bytes.byteLength&&128!==bytes[i];){for(;255===bytes[i];)payloadType+=255,i++;for(payloadType+=bytes[i++];255===bytes[i];)payloadSize+=255,i++;if(payloadSize+=bytes[i++],!result.payload&&4===payloadType){result.payloadType=payloadType,result.payloadSize=payloadSize,result.payload=bytes.subarray(i,i+payloadSize);break}i+=payloadSize,payloadType=0,payloadSize=0}return result},captionPacketParser_parseUserData$0=function(sei){return 181!==sei.payload[0]||49!=(sei.payload[1]<<8|sei.payload[2])||"GA94"!==String.fromCharCode(sei.payload[3],sei.payload[4],sei.payload[5],sei.payload[6])||3!==sei.payload[7]?null:sei.payload.subarray(8,sei.payload.length-1)},captionPacketParser_parseCaptionPackets$0=function(pts,userData){var i,count,offset,data,results=[];if(!(64&userData[0]))return results;for(count=31&userData[0],i=0;i<count;i++)data={type:3&userData[2+(offset=3*i)],pts:pts},4&userData[offset+2]&&(data.ccData=userData[offset+3]<<8|userData[offset+4],results.push(data));return results},captionPacketParser_USER_DATA_REGISTERED_ITU_T_T35$0=4,CaptionStream=function CaptionStream(){CaptionStream.prototype.init.call(this),this.captionPackets_=[],this.ccStreams_=[new Cea608Stream(0,0),new Cea608Stream(0,1),new Cea608Stream(1,0),new Cea608Stream(1,1)],this.reset(),this.ccStreams_.forEach((function(cc){cc.on("data",this.trigger.bind(this,"data")),cc.on("partialdone",this.trigger.bind(this,"partialdone")),cc.on("done",this.trigger.bind(this,"done"))}),this)};(CaptionStream.prototype=new stream).push=function(event){var sei,userData,newCaptionPackets;if("sei_rbsp"===event.nalUnitType&&(sei=captionPacketParser_parseSei$0(event.escapedRBSP)).payloadType===captionPacketParser_USER_DATA_REGISTERED_ITU_T_T35$0&&(userData=captionPacketParser_parseUserData$0(sei)))if(event.dts<this.latestDts_)this.ignoreNextEqualDts_=!0;else{if(event.dts===this.latestDts_&&this.ignoreNextEqualDts_)return this.numSameDts_--,void(this.numSameDts_||(this.ignoreNextEqualDts_=!1));newCaptionPackets=captionPacketParser_parseCaptionPackets$0(event.pts,userData),this.captionPackets_=this.captionPackets_.concat(newCaptionPackets),this.latestDts_!==event.dts&&(this.numSameDts_=0),this.numSameDts_++,this.latestDts_=event.dts}},CaptionStream.prototype.flushCCStreams=function(flushType){this.ccStreams_.forEach((function(cc){return"flush"===flushType?cc.flush():cc.partialFlush()}),this)},CaptionStream.prototype.flushStream=function(flushType){this.captionPackets_.length?(this.captionPackets_.forEach((function(elem,idx){elem.presortIndex=idx})),this.captionPackets_.sort((function(a,b){return a.pts===b.pts?a.presortIndex-b.presortIndex:a.pts-b.pts})),this.captionPackets_.forEach((function(packet){packet.type<2&&this.dispatchCea608Packet(packet)}),this),this.captionPackets_.length=0,this.flushCCStreams(flushType)):this.flushCCStreams(flushType)},CaptionStream.prototype.flush=function(){return this.flushStream("flush")},CaptionStream.prototype.partialFlush=function(){return this.flushStream("partialFlush")},CaptionStream.prototype.reset=function(){this.latestDts_=null,this.ignoreNextEqualDts_=!1,this.numSameDts_=0,this.activeCea608Channel_=[null,null],this.ccStreams_.forEach((function(ccStream){ccStream.reset()}))},CaptionStream.prototype.dispatchCea608Packet=function(packet){this.setsTextOrXDSActive(packet)?this.activeCea608Channel_[packet.type]=null:this.setsChannel1Active(packet)?this.activeCea608Channel_[packet.type]=0:this.setsChannel2Active(packet)&&(this.activeCea608Channel_[packet.type]=1),null!==this.activeCea608Channel_[packet.type]&&this.ccStreams_[(packet.type<<1)+this.activeCea608Channel_[packet.type]].push(packet)},CaptionStream.prototype.setsChannel1Active=function(packet){return 4096==(30720&packet.ccData)},CaptionStream.prototype.setsChannel2Active=function(packet){return 6144==(30720&packet.ccData)},CaptionStream.prototype.setsTextOrXDSActive=function(packet){return 256==(28928&packet.ccData)||4138==(30974&packet.ccData)||6186==(30974&packet.ccData)};var CHARACTER_TRANSLATION={42:225,92:233,94:237,95:243,96:250,123:231,124:247,125:209,126:241,127:9608,304:174,305:176,306:189,307:191,308:8482,309:162,310:163,311:9834,312:224,313:160,314:232,315:226,316:234,317:238,318:244,319:251,544:193,545:201,546:211,547:218,548:220,549:252,550:8216,551:161,552:42,553:39,554:8212,555:169,556:8480,557:8226,558:8220,559:8221,560:192,561:194,562:199,563:200,564:202,565:203,566:235,567:206,568:207,569:239,570:212,571:217,572:249,573:219,574:171,575:187,800:195,801:227,802:205,803:204,804:236,805:210,806:242,807:213,808:245,809:123,810:125,811:92,812:94,813:95,814:124,815:126,816:196,817:228,818:214,819:246,820:223,821:165,822:164,823:9474,824:197,825:229,826:216,827:248,828:9484,829:9488,830:9492,831:9496},getCharFromCode=function(code){return null===code?"":(code=CHARACTER_TRANSLATION[code]||code,String.fromCharCode(code))},ROWS=[4352,4384,4608,4640,5376,5408,5632,5664,5888,5920,4096,4864,4896,5120,5152],createDisplayBuffer=function(){for(var result=[],i=15;i--;)result.push("");return result},Cea608Stream=function Cea608Stream(field,dataChannel){Cea608Stream.prototype.init.call(this),this.field_=field||0,this.dataChannel_=dataChannel||0,this.name_="CC"+(1+(this.field_<<1|this.dataChannel_)),this.setConstants(),this.reset(),this.push=function(packet){var data,swap,char0,char1,text;if((data=32639&packet.ccData)!==this.lastControlCode_){if(4096==(61440&data)?this.lastControlCode_=data:data!==this.PADDING_&&(this.lastControlCode_=null),char0=data>>>8,char1=255&data,data!==this.PADDING_)if(data===this.RESUME_CAPTION_LOADING_)this.mode_="popOn";else if(data===this.END_OF_CAPTION_)this.mode_="popOn",this.clearFormatting(packet.pts),this.flushDisplayed(packet.pts),swap=this.displayed_,this.displayed_=this.nonDisplayed_,this.nonDisplayed_=swap,this.startPts_=packet.pts;else if(data===this.ROLL_UP_2_ROWS_)this.rollUpRows_=2,this.setRollUp(packet.pts);else if(data===this.ROLL_UP_3_ROWS_)this.rollUpRows_=3,this.setRollUp(packet.pts);else if(data===this.ROLL_UP_4_ROWS_)this.rollUpRows_=4,this.setRollUp(packet.pts);else if(data===this.CARRIAGE_RETURN_)this.clearFormatting(packet.pts),this.flushDisplayed(packet.pts),this.shiftRowsUp_(),this.startPts_=packet.pts;else if(data===this.BACKSPACE_)"popOn"===this.mode_?this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1):this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1);else if(data===this.ERASE_DISPLAYED_MEMORY_)this.flushDisplayed(packet.pts),this.displayed_=createDisplayBuffer();else if(data===this.ERASE_NON_DISPLAYED_MEMORY_)this.nonDisplayed_=createDisplayBuffer();else if(data===this.RESUME_DIRECT_CAPTIONING_)"paintOn"!==this.mode_&&(this.flushDisplayed(packet.pts),this.displayed_=createDisplayBuffer()),this.mode_="paintOn",this.startPts_=packet.pts;else if(this.isSpecialCharacter(char0,char1))text=getCharFromCode((char0=(3&char0)<<8)|char1),this[this.mode_](packet.pts,text),this.column_++;else if(this.isExtCharacter(char0,char1))"popOn"===this.mode_?this.nonDisplayed_[this.row_]=this.nonDisplayed_[this.row_].slice(0,-1):this.displayed_[this.row_]=this.displayed_[this.row_].slice(0,-1),text=getCharFromCode((char0=(3&char0)<<8)|char1),this[this.mode_](packet.pts,text),this.column_++;else if(this.isMidRowCode(char0,char1))this.clearFormatting(packet.pts),this[this.mode_](packet.pts," "),this.column_++,14==(14&char1)&&this.addFormatting(packet.pts,["i"]),1==(1&char1)&&this.addFormatting(packet.pts,["u"]);else if(this.isOffsetControlCode(char0,char1))this.column_+=3&char1;else if(this.isPAC(char0,char1)){var row=ROWS.indexOf(7968&data);"rollUp"===this.mode_&&(row-this.rollUpRows_+1<0&&(row=this.rollUpRows_-1),this.setRollUp(packet.pts,row)),row!==this.row_&&(this.clearFormatting(packet.pts),this.row_=row),1&char1&&-1===this.formatting_.indexOf("u")&&this.addFormatting(packet.pts,["u"]),16==(16&data)&&(this.column_=4*((14&data)>>1)),this.isColorPAC(char1)&&14==(14&char1)&&this.addFormatting(packet.pts,["i"])}else this.isNormalChar(char0)&&(0===char1&&(char1=null),text=getCharFromCode(char0),text+=getCharFromCode(char1),this[this.mode_](packet.pts,text),this.column_+=text.length)}else this.lastControlCode_=null}};Cea608Stream.prototype=new stream,Cea608Stream.prototype.flushDisplayed=function(pts){var content=this.displayed_.map((function(row){try{return row.trim()}catch(e){return console.error("Skipping malformed caption."),""}})).join("\n").replace(/^\n+|\n+$/g,"");content.length&&this.trigger("data",{startPts:this.startPts_,endPts:pts,text:content,stream:this.name_})},Cea608Stream.prototype.reset=function(){this.mode_="popOn",this.topRow_=0,this.startPts_=0,this.displayed_=createDisplayBuffer(),this.nonDisplayed_=createDisplayBuffer(),this.lastControlCode_=null,this.column_=0,this.row_=14,this.rollUpRows_=2,this.formatting_=[]},Cea608Stream.prototype.setConstants=function(){0===this.dataChannel_?(this.BASE_=16,this.EXT_=17,this.CONTROL_=(20|this.field_)<<8,this.OFFSET_=23):1===this.dataChannel_&&(this.BASE_=24,this.EXT_=25,this.CONTROL_=(28|this.field_)<<8,this.OFFSET_=31),this.PADDING_=0,this.RESUME_CAPTION_LOADING_=32|this.CONTROL_,this.END_OF_CAPTION_=47|this.CONTROL_,this.ROLL_UP_2_ROWS_=37|this.CONTROL_,this.ROLL_UP_3_ROWS_=38|this.CONTROL_,this.ROLL_UP_4_ROWS_=39|this.CONTROL_,this.CARRIAGE_RETURN_=45|this.CONTROL_,this.RESUME_DIRECT_CAPTIONING_=41|this.CONTROL_,this.BACKSPACE_=33|this.CONTROL_,this.ERASE_DISPLAYED_MEMORY_=44|this.CONTROL_,this.ERASE_NON_DISPLAYED_MEMORY_=46|this.CONTROL_},Cea608Stream.prototype.isSpecialCharacter=function(char0,char1){return char0===this.EXT_&&char1>=48&&char1<=63},Cea608Stream.prototype.isExtCharacter=function(char0,char1){return(char0===this.EXT_+1||char0===this.EXT_+2)&&char1>=32&&char1<=63},Cea608Stream.prototype.isMidRowCode=function(char0,char1){return char0===this.EXT_&&char1>=32&&char1<=47},Cea608Stream.prototype.isOffsetControlCode=function(char0,char1){return char0===this.OFFSET_&&char1>=33&&char1<=35},Cea608Stream.prototype.isPAC=function(char0,char1){return char0>=this.BASE_&&char0<this.BASE_+8&&char1>=64&&char1<=127},Cea608Stream.prototype.isColorPAC=function(char1){return char1>=64&&char1<=79||char1>=96&&char1<=127},Cea608Stream.prototype.isNormalChar=function(_char){return _char>=32&&_char<=127},Cea608Stream.prototype.setRollUp=function(pts,newBaseRow){if("rollUp"!==this.mode_&&(this.row_=14,this.mode_="rollUp",this.flushDisplayed(pts),this.nonDisplayed_=createDisplayBuffer(),this.displayed_=createDisplayBuffer()),void 0!==newBaseRow&&newBaseRow!==this.row_)for(var i=0;i<this.rollUpRows_;i++)this.displayed_[newBaseRow-i]=this.displayed_[this.row_-i],this.displayed_[this.row_-i]="";void 0===newBaseRow&&(newBaseRow=this.row_),this.topRow_=newBaseRow-this.rollUpRows_+1},Cea608Stream.prototype.addFormatting=function(pts,format){this.formatting_=this.formatting_.concat(format);var text=format.reduce((function(text,format){return text+"<"+format+">"}),"");this[this.mode_](pts,text)},Cea608Stream.prototype.clearFormatting=function(pts){if(this.formatting_.length){var text=this.formatting_.reverse().reduce((function(text,format){return text+"</"+format+">"}),"");this.formatting_=[],this[this.mode_](pts,text)}},Cea608Stream.prototype.popOn=function(pts,text){var baseRow=this.nonDisplayed_[this.row_];baseRow+=text,this.nonDisplayed_[this.row_]=baseRow},Cea608Stream.prototype.rollUp=function(pts,text){var baseRow=this.displayed_[this.row_];baseRow+=text,this.displayed_[this.row_]=baseRow},Cea608Stream.prototype.shiftRowsUp_=function(){var i;for(i=0;i<this.topRow_;i++)this.displayed_[i]="";for(i=this.row_+1;i<15;i++)this.displayed_[i]="";for(i=this.topRow_;i<this.row_;i++)this.displayed_[i]=this.displayed_[i+1];this.displayed_[this.row_]=""},Cea608Stream.prototype.paintOn=function(pts,text){var baseRow=this.displayed_[this.row_];baseRow+=text,this.displayed_[this.row_]=baseRow};var captionStream={CaptionStream:CaptionStream,Cea608Stream:Cea608Stream},streamTypes={H264_STREAM_TYPE:27,ADTS_STREAM_TYPE:15,METADATA_STREAM_TYPE:21},handleRollover=function(value,reference){var direction=1;for(value>reference&&(direction=-1);Math.abs(reference-value)>4294967296;)value+=8589934592*direction;return value},TimestampRolloverStream=function TimestampRolloverStream(type){var lastDTS,referenceDTS;TimestampRolloverStream.prototype.init.call(this),this.type_=type||"shared",this.push=function(data){"shared"!==this.type_&&data.type!==this.type_||(void 0===referenceDTS&&(referenceDTS=data.dts),data.dts=handleRollover(data.dts,referenceDTS),data.pts=handleRollover(data.pts,referenceDTS),lastDTS=data.dts,this.trigger("data",data))},this.flush=function(){referenceDTS=lastDTS,this.trigger("done")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline")},this.discontinuity=function(){referenceDTS=void 0,lastDTS=void 0},this.reset=function(){this.discontinuity(),this.trigger("reset")}};TimestampRolloverStream.prototype=new stream;var _MetadataStream,timestampRolloverStream_TimestampRolloverStream$0=TimestampRolloverStream,percentEncode=function(bytes,start,end){var i,result="";for(i=start;i<end;i++)result+="%"+("00"+bytes[i].toString(16)).slice(-2);return result},parseUtf8=function(bytes,start,end){return decodeURIComponent(percentEncode(bytes,start,end))},parseSyncSafeInteger=function(data){return data[0]<<21|data[1]<<14|data[2]<<7|data[3]},tagParsers={TXXX:function(tag){var i;if(3===tag.data[0]){for(i=1;i<tag.data.length;i++)if(0===tag.data[i]){tag.description=parseUtf8(tag.data,1,i),tag.value=parseUtf8(tag.data,i+1,tag.data.length).replace(/\0*$/,"");break}tag.data=tag.value}},WXXX:function(tag){var i;if(3===tag.data[0])for(i=1;i<tag.data.length;i++)if(0===tag.data[i]){tag.description=parseUtf8(tag.data,1,i),tag.url=parseUtf8(tag.data,i+1,tag.data.length);break}},PRIV:function(tag){var i,bytes;for(i=0;i<tag.data.length;i++)if(0===tag.data[i]){tag.owner=(bytes=tag.data,unescape(percentEncode(bytes,0,i)));break}tag.privateData=tag.data.subarray(i+1),tag.data=tag.privateData}};_MetadataStream=function(options){var i,settings={debug:!(!options||!options.debug),descriptor:options&&options.descriptor},tagSize=0,buffer=[],bufferSize=0;if(_MetadataStream.prototype.init.call(this),this.dispatchType=streamTypes.METADATA_STREAM_TYPE.toString(16),settings.descriptor)for(i=0;i<settings.descriptor.length;i++)this.dispatchType+=("00"+settings.descriptor[i].toString(16)).slice(-2);this.push=function(chunk){var tag,frameStart,frameSize,frame,i;if("timed-metadata"===chunk.type)if(chunk.dataAlignmentIndicator&&(bufferSize=0,buffer.length=0),0===buffer.length&&(chunk.data.length<10||chunk.data[0]!=="I".charCodeAt(0)||chunk.data[1]!=="D".charCodeAt(0)||chunk.data[2]!=="3".charCodeAt(0)))settings.debug&&console.log("Skipping unrecognized metadata packet");else if(buffer.push(chunk),bufferSize+=chunk.data.byteLength,1===buffer.length&&(tagSize=parseSyncSafeInteger(chunk.data.subarray(6,10)),tagSize+=10),!(bufferSize<tagSize)){for(tag={data:new Uint8Array(tagSize),frames:[],pts:buffer[0].pts,dts:buffer[0].dts},i=0;i<tagSize;)tag.data.set(buffer[0].data.subarray(0,tagSize-i),i),i+=buffer[0].data.byteLength,bufferSize-=buffer[0].data.byteLength,buffer.shift();frameStart=10,64&tag.data[5]&&(frameStart+=4,frameStart+=parseSyncSafeInteger(tag.data.subarray(10,14)),tagSize-=parseSyncSafeInteger(tag.data.subarray(16,20)));do{if((frameSize=parseSyncSafeInteger(tag.data.subarray(frameStart+4,frameStart+8)))<1)return console.log("Malformed ID3 frame encountered. Skipping metadata parsing.");if((frame={id:String.fromCharCode(tag.data[frameStart],tag.data[frameStart+1],tag.data[frameStart+2],tag.data[frameStart+3]),data:tag.data.subarray(frameStart+10,frameStart+frameSize+10)}).key=frame.id,tagParsers[frame.id]&&(tagParsers[frame.id](frame),"com.apple.streaming.transportStreamTimestamp"===frame.owner)){var d=frame.data,size=(1&d[3])<<30|d[4]<<22|d[5]<<14|d[6]<<6|d[7]>>>2;size*=4,size+=3&d[7],frame.timeStamp=size,void 0===tag.pts&&void 0===tag.dts&&(tag.pts=frame.timeStamp,tag.dts=frame.timeStamp),this.trigger("timestamp",frame)}tag.frames.push(frame),frameStart+=10,frameStart+=frameSize}while(frameStart<tagSize);this.trigger("data",tag)}}},_MetadataStream.prototype=new stream;var _TransportPacketStream,_TransportParseStream,_ElementaryStream,metadataStream=_MetadataStream,TimestampRolloverStream$1=timestampRolloverStream_TimestampRolloverStream$0;(_TransportPacketStream=function(){var buffer=new Uint8Array(188),bytesInBuffer=0;_TransportPacketStream.prototype.init.call(this),this.push=function(bytes){var everything,startIndex=0,endIndex=188;for(bytesInBuffer?((everything=new Uint8Array(bytes.byteLength+bytesInBuffer)).set(buffer.subarray(0,bytesInBuffer)),everything.set(bytes,bytesInBuffer),bytesInBuffer=0):everything=bytes;endIndex<everything.byteLength;)71!==everything[startIndex]||71!==everything[endIndex]?(startIndex++,endIndex++):(this.trigger("data",everything.subarray(startIndex,endIndex)),startIndex+=188,endIndex+=188);startIndex<everything.byteLength&&(buffer.set(everything.subarray(startIndex),0),bytesInBuffer=everything.byteLength-startIndex)},this.flush=function(){188===bytesInBuffer&&71===buffer[0]&&(this.trigger("data",buffer),bytesInBuffer=0),this.trigger("done")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline")},this.reset=function(){bytesInBuffer=0,this.trigger("reset")}}).prototype=new stream,_TransportParseStream=function(){var parsePsi,parsePat,parsePmt,self;_TransportParseStream.prototype.init.call(this),self=this,this.packetsWaitingForPmt=[],this.programMapTable=void 0,parsePsi=function(payload,psi){var offset=0;psi.payloadUnitStartIndicator&&(offset+=payload[offset]+1),"pat"===psi.type?parsePat(payload.subarray(offset),psi):parsePmt(payload.subarray(offset),psi)},parsePat=function(payload,pat){pat.section_number=payload[7],pat.last_section_number=payload[8],self.pmtPid=(31&payload[10])<<8|payload[11],pat.pmtPid=self.pmtPid},parsePmt=function(payload,pmt){var tableEnd,offset;if(1&payload[5]){for(self.programMapTable={video:null,audio:null,"timed-metadata":{}},tableEnd=3+((15&payload[1])<<8|payload[2])-4,offset=12+((15&payload[10])<<8|payload[11]);offset<tableEnd;){var streamType=payload[offset],pid=(31&payload[offset+1])<<8|payload[offset+2];streamType===streamTypes.H264_STREAM_TYPE&&null===self.programMapTable.video?self.programMapTable.video=pid:streamType===streamTypes.ADTS_STREAM_TYPE&&null===self.programMapTable.audio?self.programMapTable.audio=pid:streamType===streamTypes.METADATA_STREAM_TYPE&&(self.programMapTable["timed-metadata"][pid]=streamType),offset+=5+((15&payload[offset+3])<<8|payload[offset+4])}pmt.programMapTable=self.programMapTable}},this.push=function(packet){var result={},offset=4;if(result.payloadUnitStartIndicator=!!(64&packet[1]),result.pid=31&packet[1],result.pid<<=8,result.pid|=packet[2],(48&packet[3])>>>4>1&&(offset+=packet[offset]+1),0===result.pid)result.type="pat",parsePsi(packet.subarray(offset),result),this.trigger("data",result);else if(result.pid===this.pmtPid)for(result.type="pmt",parsePsi(packet.subarray(offset),result),this.trigger("data",result);this.packetsWaitingForPmt.length;)this.processPes_.apply(this,this.packetsWaitingForPmt.shift());else void 0===this.programMapTable?this.packetsWaitingForPmt.push([packet,offset,result]):this.processPes_(packet,offset,result)},this.processPes_=function(packet,offset,result){result.pid===this.programMapTable.video?result.streamType=streamTypes.H264_STREAM_TYPE:result.pid===this.programMapTable.audio?result.streamType=streamTypes.ADTS_STREAM_TYPE:result.streamType=this.programMapTable["timed-metadata"][result.pid],result.type="pes",result.data=packet.subarray(offset),this.trigger("data",result)}},_TransportParseStream.prototype=new stream,_TransportParseStream.STREAM_TYPES={h264:27,adts:15},_ElementaryStream=function(){var programMapTable,self=this,video={data:[],size:0},audio={data:[],size:0},timedMetadata={data:[],size:0},flushStream=function(stream$$1,type,forceFlush){var packetFlushable,fragment,packetData=new Uint8Array(stream$$1.size),event={type:type},i=0,offset=0;if(stream$$1.data.length&&!(stream$$1.size<9)){for(event.trackId=stream$$1.data[0].pid,i=0;i<stream$$1.data.length;i++)fragment=stream$$1.data[i],packetData.set(fragment.data,offset),offset+=fragment.data.byteLength;var payload,pes,ptsDtsFlags;payload=packetData,(pes=event).packetLength=6+(payload[4]<<8|payload[5]),pes.dataAlignmentIndicator=0!=(4&payload[6]),192&(ptsDtsFlags=payload[7])&&(pes.pts=(14&payload[9])<<27|(255&payload[10])<<20|(254&payload[11])<<12|(255&payload[12])<<5|(254&payload[13])>>>3,pes.pts*=4,pes.pts+=(6&payload[13])>>>1,pes.dts=pes.pts,64&ptsDtsFlags&&(pes.dts=(14&payload[14])<<27|(255&payload[15])<<20|(254&payload[16])<<12|(255&payload[17])<<5|(254&payload[18])>>>3,pes.dts*=4,pes.dts+=(6&payload[18])>>>1)),pes.data=payload.subarray(9+payload[8]),packetFlushable="video"===type||event.packetLength<=stream$$1.size,(forceFlush||packetFlushable)&&(stream$$1.size=0,stream$$1.data.length=0),packetFlushable&&self.trigger("data",event)}};_ElementaryStream.prototype.init.call(this),this.push=function(data){({pat:function(){},pes:function(){var stream$$1,streamType;switch(data.streamType){case streamTypes.H264_STREAM_TYPE:case streamTypes.H264_STREAM_TYPE:stream$$1=video,streamType="video";break;case streamTypes.ADTS_STREAM_TYPE:stream$$1=audio,streamType="audio";break;case streamTypes.METADATA_STREAM_TYPE:stream$$1=timedMetadata,streamType="timed-metadata";break;default:return}data.payloadUnitStartIndicator&&flushStream(stream$$1,streamType,!0),stream$$1.data.push(data),stream$$1.size+=data.data.byteLength},pmt:function(){var event={type:"metadata",tracks:[]};null!==(programMapTable=data.programMapTable).video&&event.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+programMapTable.video,codec:"avc",type:"video"}),null!==programMapTable.audio&&event.tracks.push({timelineStartInfo:{baseMediaDecodeTime:0},id:+programMapTable.audio,codec:"adts",type:"audio"}),self.trigger("data",event)}})[data.type]()},this.reset=function(){video.size=0,video.data.length=0,audio.size=0,audio.data.length=0,this.trigger("reset")},this.flushStreams_=function(){flushStream(video,"video"),flushStream(audio,"audio"),flushStream(timedMetadata,"timed-metadata")},this.flush=function(){this.flushStreams_(),this.trigger("done")}},_ElementaryStream.prototype=new stream;var m2ts={PAT_PID:0,MP2T_PACKET_LENGTH:188,TransportPacketStream:_TransportPacketStream,TransportParseStream:_TransportParseStream,ElementaryStream:_ElementaryStream,TimestampRolloverStream:TimestampRolloverStream$1,CaptionStream:captionStream.CaptionStream,Cea608Stream:captionStream.Cea608Stream,MetadataStream:metadataStream};for(var type in streamTypes)streamTypes.hasOwnProperty(type)&&(m2ts[type]=streamTypes[type]);var _AdtsStream,m2ts_1=m2ts,ONE_SECOND_IN_TS$2=clock_ONE_SECOND_IN_TS$0,ADTS_SAMPLING_FREQUENCIES=[96e3,88200,64e3,48e3,44100,32e3,24e3,22050,16e3,12e3,11025,8e3,7350];_AdtsStream=function(handlePartialSegments){var buffer,frameNum=0;_AdtsStream.prototype.init.call(this),this.push=function(packet){var frameLength,protectionSkipBytes,frameEnd,oldBuffer,sampleCount,adtsFrameDuration,i=0;if(handlePartialSegments||(frameNum=0),"audio"===packet.type)for(buffer?(oldBuffer=buffer,(buffer=new Uint8Array(oldBuffer.byteLength+packet.data.byteLength)).set(oldBuffer),buffer.set(packet.data,oldBuffer.byteLength)):buffer=packet.data;i+5<buffer.length;)if(255===buffer[i]&&240==(246&buffer[i+1])){if(protectionSkipBytes=2*(1&~buffer[i+1]),frameLength=(3&buffer[i+3])<<11|buffer[i+4]<<3|(224&buffer[i+5])>>5,adtsFrameDuration=(sampleCount=1024*(1+(3&buffer[i+6])))*ONE_SECOND_IN_TS$2/ADTS_SAMPLING_FREQUENCIES[(60&buffer[i+2])>>>2],frameEnd=i+frameLength,buffer.byteLength<frameEnd)return;if(this.trigger("data",{pts:packet.pts+frameNum*adtsFrameDuration,dts:packet.dts+frameNum*adtsFrameDuration,sampleCount:sampleCount,audioobjecttype:1+(buffer[i+2]>>>6&3),channelcount:(1&buffer[i+2])<<2|(192&buffer[i+3])>>>6,samplerate:ADTS_SAMPLING_FREQUENCIES[(60&buffer[i+2])>>>2],samplingfrequencyindex:(60&buffer[i+2])>>>2,samplesize:16,data:buffer.subarray(i+7+protectionSkipBytes,frameEnd)}),frameNum++,buffer.byteLength===frameEnd)return void(buffer=void 0);buffer=buffer.subarray(frameEnd)}else i++},this.flush=function(){frameNum=0,this.trigger("done")},this.reset=function(){buffer=void 0,this.trigger("reset")},this.endTimeline=function(){buffer=void 0,this.trigger("endedtimeline")}},_AdtsStream.prototype=new stream;var _H264Stream,_NalByteStream,PROFILES_WITH_OPTIONAL_SPS_DATA,adts=_AdtsStream,expGolomb=function(workingData){var workingBytesAvailable=workingData.byteLength,workingWord=0,workingBitsAvailable=0;this.length=function(){return 8*workingBytesAvailable},this.bitsAvailable=function(){return 8*workingBytesAvailable+workingBitsAvailable},this.loadWord=function(){var position=workingData.byteLength-workingBytesAvailable,workingBytes=new Uint8Array(4),availableBytes=Math.min(4,workingBytesAvailable);if(0===availableBytes)throw new Error("no bytes available");workingBytes.set(workingData.subarray(position,position+availableBytes)),workingWord=new DataView(workingBytes.buffer).getUint32(0),workingBitsAvailable=8*availableBytes,workingBytesAvailable-=availableBytes},this.skipBits=function(count){var skipBytes;workingBitsAvailable>count?(workingWord<<=count,workingBitsAvailable-=count):(count-=workingBitsAvailable,count-=8*(skipBytes=Math.floor(count/8)),workingBytesAvailable-=skipBytes,this.loadWord(),workingWord<<=count,workingBitsAvailable-=count)},this.readBits=function(size){var bits=Math.min(workingBitsAvailable,size),valu=workingWord>>>32-bits;return(workingBitsAvailable-=bits)>0?workingWord<<=bits:workingBytesAvailable>0&&this.loadWord(),(bits=size-bits)>0?valu<<bits|this.readBits(bits):valu},this.skipLeadingZeros=function(){var leadingZeroCount;for(leadingZeroCount=0;leadingZeroCount<workingBitsAvailable;++leadingZeroCount)if(0!=(workingWord&2147483648>>>leadingZeroCount))return workingWord<<=leadingZeroCount,workingBitsAvailable-=leadingZeroCount,leadingZeroCount;return this.loadWord(),leadingZeroCount+this.skipLeadingZeros()},this.skipUnsignedExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())},this.skipExpGolomb=function(){this.skipBits(1+this.skipLeadingZeros())},this.readUnsignedExpGolomb=function(){var clz=this.skipLeadingZeros();return this.readBits(clz+1)-1},this.readExpGolomb=function(){var valu=this.readUnsignedExpGolomb();return 1&valu?1+valu>>>1:-1*(valu>>>1)},this.readBoolean=function(){return 1===this.readBits(1)},this.readUnsignedByte=function(){return this.readBits(8)},this.loadWord()};_NalByteStream=function(){var i,buffer,syncPoint=0;_NalByteStream.prototype.init.call(this),this.push=function(data){var swapBuffer;buffer?((swapBuffer=new Uint8Array(buffer.byteLength+data.data.byteLength)).set(buffer),swapBuffer.set(data.data,buffer.byteLength),buffer=swapBuffer):buffer=data.data;for(var len=buffer.byteLength;syncPoint<len-3;syncPoint++)if(1===buffer[syncPoint+2]){i=syncPoint+5;break}for(;i<len;)switch(buffer[i]){case 0:if(0!==buffer[i-1]){i+=2;break}if(0!==buffer[i-2]){i++;break}syncPoint+3!==i-2&&this.trigger("data",buffer.subarray(syncPoint+3,i-2));do{i++}while(1!==buffer[i]&&i<len);syncPoint=i-2,i+=3;break;case 1:if(0!==buffer[i-1]||0!==buffer[i-2]){i+=3;break}this.trigger("data",buffer.subarray(syncPoint+3,i-2)),syncPoint=i-2,i+=3;break;default:i+=3}buffer=buffer.subarray(syncPoint),i-=syncPoint,syncPoint=0},this.reset=function(){buffer=null,syncPoint=0,this.trigger("reset")},this.flush=function(){buffer&&buffer.byteLength>3&&this.trigger("data",buffer.subarray(syncPoint+3)),buffer=null,syncPoint=0,this.trigger("done")},this.endTimeline=function(){this.flush(),this.trigger("endedtimeline")}},_NalByteStream.prototype=new stream,PROFILES_WITH_OPTIONAL_SPS_DATA={100:!0,110:!0,122:!0,244:!0,44:!0,83:!0,86:!0,118:!0,128:!0,138:!0,139:!0,134:!0},_H264Stream=function(){var self,trackId,currentPts,currentDts,discardEmulationPreventionBytes,readSequenceParameterSet,skipScalingList,nalByteStream=new _NalByteStream;_H264Stream.prototype.init.call(this),self=this,this.push=function(packet){"video"===packet.type&&(trackId=packet.trackId,currentPts=packet.pts,currentDts=packet.dts,nalByteStream.push(packet))},nalByteStream.on("data",(function(data){var event={trackId:trackId,pts:currentPts,dts:currentDts,data:data};switch(31&data[0]){case 5:event.nalUnitType="slice_layer_without_partitioning_rbsp_idr";break;case 6:event.nalUnitType="sei_rbsp",event.escapedRBSP=discardEmulationPreventionBytes(data.subarray(1));break;case 7:event.nalUnitType="seq_parameter_set_rbsp",event.escapedRBSP=discardEmulationPreventionBytes(data.subarray(1)),event.config=readSequenceParameterSet(event.escapedRBSP);break;case 8:event.nalUnitType="pic_parameter_set_rbsp";break;case 9:event.nalUnitType="access_unit_delimiter_rbsp"}self.trigger("data",event)})),nalByteStream.on("done",(function(){self.trigger("done")})),nalByteStream.on("partialdone",(function(){self.trigger("partialdone")})),nalByteStream.on("reset",(function(){self.trigger("reset")})),nalByteStream.on("endedtimeline",(function(){self.trigger("endedtimeline")})),this.flush=function(){nalByteStream.flush()},this.partialFlush=function(){nalByteStream.partialFlush()},this.reset=function(){nalByteStream.reset()},this.endTimeline=function(){nalByteStream.endTimeline()},skipScalingList=function(count,expGolombDecoder){var j,lastScale=8,nextScale=8;for(j=0;j<count;j++)0!==nextScale&&(nextScale=(lastScale+expGolombDecoder.readExpGolomb()+256)%256),lastScale=0===nextScale?lastScale:nextScale},discardEmulationPreventionBytes=function(data){for(var newLength,newData,length=data.byteLength,emulationPreventionBytesPositions=[],i=1;i<length-2;)0===data[i]&&0===data[i+1]&&3===data[i+2]?(emulationPreventionBytesPositions.push(i+2),i+=2):i++;if(0===emulationPreventionBytesPositions.length)return data;newLength=length-emulationPreventionBytesPositions.length,newData=new Uint8Array(newLength);var sourceIndex=0;for(i=0;i<newLength;sourceIndex++,i++)sourceIndex===emulationPreventionBytesPositions[0]&&(sourceIndex++,emulationPreventionBytesPositions.shift()),newData[i]=data[sourceIndex];return newData},readSequenceParameterSet=function(data){var expGolombDecoder,profileIdc,levelIdc,profileCompatibility,chromaFormatIdc,picOrderCntType,numRefFramesInPicOrderCntCycle,picWidthInMbsMinus1,picHeightInMapUnitsMinus1,frameMbsOnlyFlag,scalingListCount,sarRatio,i,frameCropLeftOffset=0,frameCropRightOffset=0,frameCropTopOffset=0,frameCropBottomOffset=0,sarScale=1;if(profileIdc=(expGolombDecoder=new expGolomb(data)).readUnsignedByte(),profileCompatibility=expGolombDecoder.readUnsignedByte(),levelIdc=expGolombDecoder.readUnsignedByte(),expGolombDecoder.skipUnsignedExpGolomb(),PROFILES_WITH_OPTIONAL_SPS_DATA[profileIdc]&&(3===(chromaFormatIdc=expGolombDecoder.readUnsignedExpGolomb())&&expGolombDecoder.skipBits(1),expGolombDecoder.skipUnsignedExpGolomb(),expGolombDecoder.skipUnsignedExpGolomb(),expGolombDecoder.skipBits(1),expGolombDecoder.readBoolean()))for(scalingListCount=3!==chromaFormatIdc?8:12,i=0;i<scalingListCount;i++)expGolombDecoder.readBoolean()&&skipScalingList(i<6?16:64,expGolombDecoder);if(expGolombDecoder.skipUnsignedExpGolomb(),0===(picOrderCntType=expGolombDecoder.readUnsignedExpGolomb()))expGolombDecoder.readUnsignedExpGolomb();else if(1===picOrderCntType)for(expGolombDecoder.skipBits(1),expGolombDecoder.skipExpGolomb(),expGolombDecoder.skipExpGolomb(),numRefFramesInPicOrderCntCycle=expGolombDecoder.readUnsignedExpGolomb(),i=0;i<numRefFramesInPicOrderCntCycle;i++)expGolombDecoder.skipExpGolomb();if(expGolombDecoder.skipUnsignedExpGolomb(),expGolombDecoder.skipBits(1),picWidthInMbsMinus1=expGolombDecoder.readUnsignedExpGolomb(),picHeightInMapUnitsMinus1=expGolombDecoder.readUnsignedExpGolomb(),0===(frameMbsOnlyFlag=expGolombDecoder.readBits(1))&&expGolombDecoder.skipBits(1),expGolombDecoder.skipBits(1),expGolombDecoder.readBoolean()&&(frameCropLeftOffset=expGolombDecoder.readUnsignedExpGolomb(),frameCropRightOffset=expGolombDecoder.readUnsignedExpGolomb(),frameCropTopOffset=expGolombDecoder.readUnsignedExpGolomb(),frameCropBottomOffset=expGolombDecoder.readUnsignedExpGolomb()),expGolombDecoder.readBoolean()&&expGolombDecoder.readBoolean()){switch(expGolombDecoder.readUnsignedByte()){case 1:sarRatio=[1,1];break;case 2:sarRatio=[12,11];break;case 3:sarRatio=[10,11];break;case 4:sarRatio=[16,11];break;case 5:sarRatio=[40,33];break;case 6:sarRatio=[24,11];break;case 7:sarRatio=[20,11];break;case 8:sarRatio=[32,11];break;case 9:sarRatio=[80,33];break;case 10:sarRatio=[18,11];break;case 11:sarRatio=[15,11];break;case 12:sarRatio=[64,33];break;case 13:sarRatio=[160,99];break;case 14:sarRatio=[4,3];break;case 15:sarRatio=[3,2];break;case 16:sarRatio=[2,1];break;case 255:sarRatio=[expGolombDecoder.readUnsignedByte()<<8|expGolombDecoder.readUnsignedByte(),expGolombDecoder.readUnsignedByte()<<8|expGolombDecoder.readUnsignedByte()]}sarRatio&&(sarScale=sarRatio[0]/sarRatio[1])}return{profileIdc:profileIdc,levelIdc:levelIdc,profileCompatibility:profileCompatibility,width:Math.ceil((16*(picWidthInMbsMinus1+1)-2*frameCropLeftOffset-2*frameCropRightOffset)*sarScale),height:(2-frameMbsOnlyFlag)*(picHeightInMapUnitsMinus1+1)*16-2*frameCropTopOffset-2*frameCropBottomOffset,sarRatio:sarRatio}}},_H264Stream.prototype=new stream;var _AacStream,h264={H264Stream:_H264Stream,NalByteStream:_NalByteStream},utils_isLikelyAacData=function(data){return data[0]==="I".charCodeAt(0)&&data[1]==="D".charCodeAt(0)&&data[2]==="3".charCodeAt(0)},utils_parseId3TagSize=function(header,byteIndex){var returnSize=header[byteIndex+6]<<21|header[byteIndex+7]<<14|header[byteIndex+8]<<7|header[byteIndex+9];return(16&header[byteIndex+5])>>4?returnSize+20:returnSize+10},utils_parseAdtsSize=function(header,byteIndex){var lowThree=(224&header[byteIndex+5])>>5,middle=header[byteIndex+4]<<3;return 6144&header[byteIndex+3]|middle|lowThree};(_AacStream=function(){var everything=new Uint8Array,timeStamp=0;_AacStream.prototype.init.call(this),this.setTimestamp=function(timestamp){timeStamp=timestamp},this.push=function(bytes){var bytesLeft,chunk,packet,tempLength,frameSize=0,byteIndex=0;for(everything.length?(tempLength=everything.length,(everything=new Uint8Array(bytes.byteLength+tempLength)).set(everything.subarray(0,tempLength)),everything.set(bytes,tempLength)):everything=bytes;everything.length-byteIndex>=3;)if(everything[byteIndex]!=="I".charCodeAt(0)||everything[byteIndex+1]!=="D".charCodeAt(0)||everything[byteIndex+2]!=="3".charCodeAt(0))if(255!=(255&everything[byteIndex])||240!=(240&everything[byteIndex+1]))byteIndex++;else{if(everything.length-byteIndex<7)break;if(byteIndex+(frameSize=utils_parseAdtsSize(everything,byteIndex))>everything.length)break;packet={type:"audio",data:everything.subarray(byteIndex,byteIndex+frameSize),pts:timeStamp,dts:timeStamp},this.trigger("data",packet),byteIndex+=frameSize}else{if(everything.length-byteIndex<10)break;if(byteIndex+(frameSize=utils_parseId3TagSize(everything,byteIndex))>everything.length)break;chunk={type:"timed-metadata",data:everything.subarray(byteIndex,byteIndex+frameSize)},this.trigger("data",chunk),byteIndex+=frameSize}bytesLeft=everything.length-byteIndex,everything=bytesLeft>0?everything.subarray(byteIndex):new Uint8Array},this.reset=function(){everything=new Uint8Array,this.trigger("reset")},this.endTimeline=function(){everything=new Uint8Array,this.trigger("endedtimeline")}}).prototype=new stream;var _VideoSegmentStream,_AudioSegmentStream,_Transmuxer,_CoalesceStream,aac=_AacStream,H264Stream=h264.H264Stream,isLikelyAacData$1=utils_isLikelyAacData,ONE_SECOND_IN_TS$3=clock_ONE_SECOND_IN_TS$0,AUDIO_PROPERTIES=["audioobjecttype","channelcount","samplerate","samplingfrequencyindex","samplesize"],VIDEO_PROPERTIES=["width","height","profileIdc","levelIdc","profileCompatibility","sarRatio"],arrayEquals=function(a,b){var i;if(a.length!==b.length)return!1;for(i=0;i<a.length;i++)if(a[i]!==b[i])return!1;return!0},generateVideoSegmentTimingInfo=function(baseMediaDecodeTime,startDts,startPts,endDts,endPts,prependedContentDuration){return{start:{dts:baseMediaDecodeTime,pts:baseMediaDecodeTime+(startPts-startDts)},end:{dts:baseMediaDecodeTime+(endDts-startDts),pts:baseMediaDecodeTime+(endPts-startPts)},prependedContentDuration:prependedContentDuration,baseMediaDecodeTime:baseMediaDecodeTime}};_AudioSegmentStream=function(track,options){var adtsFrames=[],sequenceNumber=0,earliestAllowedDts=0,audioAppendStartTs=0,videoBaseMediaDecodeTime=1/0;options=options||{},_AudioSegmentStream.prototype.init.call(this),this.push=function(data){trackDecodeInfo_collectDtsInfo(track,data),track&&AUDIO_PROPERTIES.forEach((function(prop){track[prop]=data[prop]})),adtsFrames.push(data)},this.setEarliestDts=function(earliestDts){earliestAllowedDts=earliestDts-track.timelineStartInfo.baseMediaDecodeTime},this.setVideoBaseMediaDecodeTime=function(baseMediaDecodeTime){videoBaseMediaDecodeTime=baseMediaDecodeTime},this.setAudioAppendStart=function(timestamp){audioAppendStartTs=timestamp},this.flush=function(){var frames,moof,mdat,boxes,frameDuration;0!==adtsFrames.length?(frames=audioFrameUtils_trimAdtsFramesByEarliestDts(adtsFrames,track,earliestAllowedDts),track.baseMediaDecodeTime=trackDecodeInfo_calculateTrackBaseMediaDecodeTime(track,options.keepOriginalTimestamps),audioFrameUtils_prefixWithSilence(track,frames,audioAppendStartTs,videoBaseMediaDecodeTime),track.samples=audioFrameUtils_generateSampleTable(frames),mdat=mp4Generator_mdat(audioFrameUtils_concatenateFrameData(frames)),adtsFrames=[],moof=mp4Generator_moof(sequenceNumber,[track]),boxes=new Uint8Array(moof.byteLength+mdat.byteLength),sequenceNumber++,boxes.set(moof),boxes.set(mdat,moof.byteLength),trackDecodeInfo_clearDtsInfo(track),frameDuration=Math.ceil(1024*ONE_SECOND_IN_TS$3/track.samplerate),frames.length&&this.trigger("timingInfo",{start:frames[0].pts,end:frames[0].pts+frames.length*frameDuration}),this.trigger("data",{track:track,boxes:boxes}),this.trigger("done","AudioSegmentStream")):this.trigger("done","AudioSegmentStream")},this.reset=function(){trackDecodeInfo_clearDtsInfo(track),adtsFrames=[],this.trigger("reset")}},_AudioSegmentStream.prototype=new stream,_VideoSegmentStream=function(track,options){var config,pps,sequenceNumber=0,nalUnits=[],gopsToAlignWith=[];options=options||{},_VideoSegmentStream.prototype.init.call(this),delete track.minPTS,this.gopCache_=[],this.push=function(nalUnit){trackDecodeInfo_collectDtsInfo(track,nalUnit),"seq_parameter_set_rbsp"!==nalUnit.nalUnitType||config||(config=nalUnit.config,track.sps=[nalUnit.data],VIDEO_PROPERTIES.forEach((function(prop){track[prop]=config[prop]}),this)),"pic_parameter_set_rbsp"!==nalUnit.nalUnitType||pps||(pps=nalUnit.data,track.pps=[nalUnit.data]),nalUnits.push(nalUnit)},this.flush=function(){for(var frames,gopForFusion,gops,moof,mdat,boxes,firstGop,lastGop,prependedContentDuration=0;nalUnits.length&&"access_unit_delimiter_rbsp"!==nalUnits[0].nalUnitType;)nalUnits.shift();if(0===nalUnits.length)return this.resetStream_(),void this.trigger("done","VideoSegmentStream");if(frames=frameUtils_groupNalsIntoFrames(nalUnits),(gops=frameUtils_groupFramesIntoGops(frames))[0][0].keyFrame||((gopForFusion=this.getGopForFusion_(nalUnits[0],track))?(prependedContentDuration=gopForFusion.duration,gops.unshift(gopForFusion),gops.byteLength+=gopForFusion.byteLength,gops.nalCount+=gopForFusion.nalCount,gops.pts=gopForFusion.pts,gops.dts=gopForFusion.dts,gops.duration+=gopForFusion.duration):gops=frameUtils_extendFirstKeyFrame(gops)),gopsToAlignWith.length){var alignedGops;if(!(alignedGops=options.alignGopsAtEnd?this.alignGopsAtEnd_(gops):this.alignGopsAtStart_(gops)))return this.gopCache_.unshift({gop:gops.pop(),pps:track.pps,sps:track.sps}),this.gopCache_.length=Math.min(6,this.gopCache_.length),nalUnits=[],this.resetStream_(),void this.trigger("done","VideoSegmentStream");trackDecodeInfo_clearDtsInfo(track),gops=alignedGops}trackDecodeInfo_collectDtsInfo(track,gops),track.samples=frameUtils_generateSampleTable(gops),mdat=mp4Generator_mdat(frameUtils_concatenateNalData(gops)),track.baseMediaDecodeTime=trackDecodeInfo_calculateTrackBaseMediaDecodeTime(track,options.keepOriginalTimestamps),this.trigger("processedGopsInfo",gops.map((function(gop){return{pts:gop.pts,dts:gop.dts,byteLength:gop.byteLength}}))),firstGop=gops[0],lastGop=gops[gops.length-1],this.trigger("segmentTimingInfo",generateVideoSegmentTimingInfo(track.baseMediaDecodeTime,firstGop.dts,firstGop.pts,lastGop.dts+lastGop.duration,lastGop.pts+lastGop.duration,prependedContentDuration)),this.trigger("timingInfo",{start:gops[0].pts,end:gops[gops.length-1].pts+gops[gops.length-1].duration}),this.gopCache_.unshift({gop:gops.pop(),pps:track.pps,sps:track.sps}),this.gopCache_.length=Math.min(6,this.gopCache_.length),nalUnits=[],this.trigger("baseMediaDecodeTime",track.baseMediaDecodeTime),this.trigger("timelineStartInfo",track.timelineStartInfo),moof=mp4Generator_moof(sequenceNumber,[track]),boxes=new Uint8Array(moof.byteLength+mdat.byteLength),sequenceNumber++,boxes.set(moof),boxes.set(mdat,moof.byteLength),this.trigger("data",{track:track,boxes:boxes}),this.resetStream_(),this.trigger("done","VideoSegmentStream")},this.reset=function(){this.resetStream_(),nalUnits=[],this.gopCache_.length=0,gopsToAlignWith.length=0,this.trigger("reset")},this.resetStream_=function(){trackDecodeInfo_clearDtsInfo(track),config=void 0,pps=void 0},this.getGopForFusion_=function(nalUnit){var dtsDistance,nearestGopObj,currentGop,currentGopObj,i,nearestDistance=1/0;for(i=0;i<this.gopCache_.length;i++)currentGop=(currentGopObj=this.gopCache_[i]).gop,track.pps&&arrayEquals(track.pps[0],currentGopObj.pps[0])&&track.sps&&arrayEquals(track.sps[0],currentGopObj.sps[0])&&(currentGop.dts<track.timelineStartInfo.dts||(dtsDistance=nalUnit.dts-currentGop.dts-currentGop.duration)>=-1e4&&dtsDistance<=45e3&&(!nearestGopObj||nearestDistance>dtsDistance)&&(nearestGopObj=currentGopObj,nearestDistance=dtsDistance));return nearestGopObj?nearestGopObj.gop:null},this.alignGopsAtStart_=function(gops){var alignIndex,gopIndex,align,gop,byteLength,nalCount,duration,alignedGops;for(byteLength=gops.byteLength,nalCount=gops.nalCount,duration=gops.duration,alignIndex=gopIndex=0;alignIndex<gopsToAlignWith.length&&gopIndex<gops.length&&(align=gopsToAlignWith[alignIndex],gop=gops[gopIndex],align.pts!==gop.pts);)gop.pts>align.pts?alignIndex++:(gopIndex++,byteLength-=gop.byteLength,nalCount-=gop.nalCount,duration-=gop.duration);return 0===gopIndex?gops:gopIndex===gops.length?null:((alignedGops=gops.slice(gopIndex)).byteLength=byteLength,alignedGops.duration=duration,alignedGops.nalCount=nalCount,alignedGops.pts=alignedGops[0].pts,alignedGops.dts=alignedGops[0].dts,alignedGops)},this.alignGopsAtEnd_=function(gops){var alignIndex,gopIndex,align,gop,alignEndIndex,matchFound,trimIndex;for(alignIndex=gopsToAlignWith.length-1,gopIndex=gops.length-1,alignEndIndex=null,matchFound=!1;alignIndex>=0&&gopIndex>=0;){if(align=gopsToAlignWith[alignIndex],gop=gops[gopIndex],align.pts===gop.pts){matchFound=!0;break}align.pts>gop.pts?alignIndex--:(alignIndex===gopsToAlignWith.length-1&&(alignEndIndex=gopIndex),gopIndex--)}if(!matchFound&&null===alignEndIndex)return null;if(0===(trimIndex=matchFound?gopIndex:alignEndIndex))return gops;var alignedGops=gops.slice(trimIndex),metadata=alignedGops.reduce((function(total,gop){return total.byteLength+=gop.byteLength,total.duration+=gop.duration,total.nalCount+=gop.nalCount,total}),{byteLength:0,duration:0,nalCount:0});return alignedGops.byteLength=metadata.byteLength,alignedGops.duration=metadata.duration,alignedGops.nalCount=metadata.nalCount,alignedGops.pts=alignedGops[0].pts,alignedGops.dts=alignedGops[0].dts,alignedGops},this.alignGopsWith=function(newGopsToAlignWith){gopsToAlignWith=newGopsToAlignWith}},_VideoSegmentStream.prototype=new stream,_CoalesceStream=function(options,metadataStream){this.numberOfTracks=0,this.metadataStream=metadataStream,void 0!==(options=options||{}).remux?this.remuxTracks=!!options.remux:this.remuxTracks=!0,"boolean"==typeof options.keepOriginalTimestamps?this.keepOriginalTimestamps=options.keepOriginalTimestamps:this.keepOriginalTimestamps=!1,this.pendingTracks=[],this.videoTrack=null,this.pendingBoxes=[],this.pendingCaptions=[],this.pendingMetadata=[],this.pendingBytes=0,this.emittedTracks=0,_CoalesceStream.prototype.init.call(this),this.push=function(output){return output.text?this.pendingCaptions.push(output):output.frames?this.pendingMetadata.push(output):(this.pendingTracks.push(output.track),this.pendingBytes+=output.boxes.byteLength,"video"===output.track.type&&(this.videoTrack=output.track,this.pendingBoxes.push(output.boxes)),void("audio"===output.track.type&&(this.audioTrack=output.track,this.pendingBoxes.unshift(output.boxes))))}},_CoalesceStream.prototype=new stream,_CoalesceStream.prototype.flush=function(flushSource){var caption,id3,initSegment,i,offset=0,event={captions:[],captionStreams:{},metadata:[],info:{}},timelineStartPts=0;if(this.pendingTracks.length<this.numberOfTracks){if("VideoSegmentStream"!==flushSource&&"AudioSegmentStream"!==flushSource)return;if(this.remuxTracks)return;if(0===this.pendingTracks.length)return this.emittedTracks++,void(this.emittedTracks>=this.numberOfTracks&&(this.trigger("done"),this.emittedTracks=0))}if(this.videoTrack?(timelineStartPts=this.videoTrack.timelineStartInfo.pts,VIDEO_PROPERTIES.forEach((function(prop){event.info[prop]=this.videoTrack[prop]}),this)):this.audioTrack&&(timelineStartPts=this.audioTrack.timelineStartInfo.pts,AUDIO_PROPERTIES.forEach((function(prop){event.info[prop]=this.audioTrack[prop]}),this)),this.videoTrack||this.audioTrack){for(1===this.pendingTracks.length?event.type=this.pendingTracks[0].type:event.type="combined",this.emittedTracks+=this.pendingTracks.length,initSegment=mp4Generator_initSegment(this.pendingTracks),event.initSegment=new Uint8Array(initSegment.byteLength),event.initSegment.set(initSegment),event.data=new Uint8Array(this.pendingBytes),i=0;i<this.pendingBoxes.length;i++)event.data.set(this.pendingBoxes[i],offset),offset+=this.pendingBoxes[i].byteLength;for(i=0;i<this.pendingCaptions.length;i++)(caption=this.pendingCaptions[i]).startTime=clock_metadataTsToSeconds$0(caption.startPts,timelineStartPts,this.keepOriginalTimestamps),caption.endTime=clock_metadataTsToSeconds$0(caption.endPts,timelineStartPts,this.keepOriginalTimestamps),event.captionStreams[caption.stream]=!0,event.captions.push(caption);for(i=0;i<this.pendingMetadata.length;i++)(id3=this.pendingMetadata[i]).cueTime=clock_metadataTsToSeconds$0(id3.pts,timelineStartPts,this.keepOriginalTimestamps),event.metadata.push(id3);for(event.metadata.dispatchType=this.metadataStream.dispatchType,this.pendingTracks.length=0,this.videoTrack=null,this.pendingBoxes.length=0,this.pendingCaptions.length=0,this.pendingBytes=0,this.pendingMetadata.length=0,this.trigger("data",event),i=0;i<event.captions.length;i++)caption=event.captions[i],this.trigger("caption",caption);for(i=0;i<event.metadata.length;i++)id3=event.metadata[i],this.trigger("id3Frame",id3)}this.emittedTracks>=this.numberOfTracks&&(this.trigger("done"),this.emittedTracks=0)},_CoalesceStream.prototype.setRemux=function(val){this.remuxTracks=val},_Transmuxer=function(options){var videoTrack,audioTrack,self=this,hasFlushed=!0;_Transmuxer.prototype.init.call(this),options=options||{},this.baseMediaDecodeTime=options.baseMediaDecodeTime||0,this.transmuxPipeline_={},this.setupAacPipeline=function(){var pipeline={};this.transmuxPipeline_=pipeline,pipeline.type="aac",pipeline.metadataStream=new m2ts_1.MetadataStream,pipeline.aacStream=new aac,pipeline.audioTimestampRolloverStream=new m2ts_1.TimestampRolloverStream("audio"),pipeline.timedMetadataTimestampRolloverStream=new m2ts_1.TimestampRolloverStream("timed-metadata"),pipeline.adtsStream=new adts,pipeline.coalesceStream=new _CoalesceStream(options,pipeline.metadataStream),pipeline.headOfPipeline=pipeline.aacStream,pipeline.aacStream.pipe(pipeline.audioTimestampRolloverStream).pipe(pipeline.adtsStream),pipeline.aacStream.pipe(pipeline.timedMetadataTimestampRolloverStream).pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream),pipeline.metadataStream.on("timestamp",(function(frame){pipeline.aacStream.setTimestamp(frame.timeStamp)})),pipeline.aacStream.on("data",(function(data){"timed-metadata"!==data.type||pipeline.audioSegmentStream||(audioTrack=audioTrack||{timelineStartInfo:{baseMediaDecodeTime:self.baseMediaDecodeTime},codec:"adts",type:"audio"},pipeline.coalesceStream.numberOfTracks++,pipeline.audioSegmentStream=new _AudioSegmentStream(audioTrack,options),pipeline.audioSegmentStream.on("timingInfo",self.trigger.bind(self,"audioTimingInfo")),pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream)),self.trigger("trackinfo",{hasAudio:!!audioTrack,hasVideo:!!videoTrack})})),pipeline.coalesceStream.on("data",this.trigger.bind(this,"data")),pipeline.coalesceStream.on("done",this.trigger.bind(this,"done"))},this.setupTsPipeline=function(){var pipeline={};this.transmuxPipeline_=pipeline,pipeline.type="ts",pipeline.metadataStream=new m2ts_1.MetadataStream,pipeline.packetStream=new m2ts_1.TransportPacketStream,pipeline.parseStream=new m2ts_1.TransportParseStream,pipeline.elementaryStream=new m2ts_1.ElementaryStream,pipeline.timestampRolloverStream=new m2ts_1.TimestampRolloverStream,pipeline.adtsStream=new adts,pipeline.h264Stream=new H264Stream,pipeline.captionStream=new m2ts_1.CaptionStream,pipeline.coalesceStream=new _CoalesceStream(options,pipeline.metadataStream),pipeline.headOfPipeline=pipeline.packetStream,pipeline.packetStream.pipe(pipeline.parseStream).pipe(pipeline.elementaryStream).pipe(pipeline.timestampRolloverStream),pipeline.timestampRolloverStream.pipe(pipeline.h264Stream),pipeline.timestampRolloverStream.pipe(pipeline.adtsStream),pipeline.timestampRolloverStream.pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream),pipeline.h264Stream.pipe(pipeline.captionStream).pipe(pipeline.coalesceStream),pipeline.elementaryStream.on("data",(function(data){var i;if("metadata"===data.type){for(i=data.tracks.length;i--;)videoTrack||"video"!==data.tracks[i].type?audioTrack||"audio"!==data.tracks[i].type||((audioTrack=data.tracks[i]).timelineStartInfo.baseMediaDecodeTime=self.baseMediaDecodeTime):(videoTrack=data.tracks[i]).timelineStartInfo.baseMediaDecodeTime=self.baseMediaDecodeTime;videoTrack&&!pipeline.videoSegmentStream&&(pipeline.coalesceStream.numberOfTracks++,pipeline.videoSegmentStream=new _VideoSegmentStream(videoTrack,options),pipeline.videoSegmentStream.on("timelineStartInfo",(function(timelineStartInfo){audioTrack&&(audioTrack.timelineStartInfo=timelineStartInfo,pipeline.audioSegmentStream.setEarliestDts(timelineStartInfo.dts))})),pipeline.videoSegmentStream.on("processedGopsInfo",self.trigger.bind(self,"gopInfo")),pipeline.videoSegmentStream.on("segmentTimingInfo",self.trigger.bind(self,"videoSegmentTimingInfo")),pipeline.videoSegmentStream.on("baseMediaDecodeTime",(function(baseMediaDecodeTime){audioTrack&&pipeline.audioSegmentStream.setVideoBaseMediaDecodeTime(baseMediaDecodeTime)})),pipeline.videoSegmentStream.on("timingInfo",self.trigger.bind(self,"videoTimingInfo")),pipeline.h264Stream.pipe(pipeline.videoSegmentStream).pipe(pipeline.coalesceStream)),audioTrack&&!pipeline.audioSegmentStream&&(pipeline.coalesceStream.numberOfTracks++,pipeline.audioSegmentStream=new _AudioSegmentStream(audioTrack,options),pipeline.audioSegmentStream.on("timingInfo",self.trigger.bind(self,"audioTimingInfo")),pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream)),self.trigger("trackinfo",{hasAudio:!!audioTrack,hasVideo:!!videoTrack})}})),pipeline.coalesceStream.on("data",this.trigger.bind(this,"data")),pipeline.coalesceStream.on("id3Frame",(function(id3Frame){id3Frame.dispatchType=pipeline.metadataStream.dispatchType,self.trigger("id3Frame",id3Frame)})),pipeline.coalesceStream.on("caption",this.trigger.bind(this,"caption")),pipeline.coalesceStream.on("done",this.trigger.bind(this,"done"))},this.setBaseMediaDecodeTime=function(baseMediaDecodeTime){var pipeline=this.transmuxPipeline_;options.keepOriginalTimestamps||(this.baseMediaDecodeTime=baseMediaDecodeTime),audioTrack&&(audioTrack.timelineStartInfo.dts=void 0,audioTrack.timelineStartInfo.pts=void 0,trackDecodeInfo_clearDtsInfo(audioTrack),options.keepOriginalTimestamps||(audioTrack.timelineStartInfo.baseMediaDecodeTime=baseMediaDecodeTime),pipeline.audioTimestampRolloverStream&&pipeline.audioTimestampRolloverStream.discontinuity()),videoTrack&&(pipeline.videoSegmentStream&&(pipeline.videoSegmentStream.gopCache_=[]),videoTrack.timelineStartInfo.dts=void 0,videoTrack.timelineStartInfo.pts=void 0,trackDecodeInfo_clearDtsInfo(videoTrack),pipeline.captionStream.reset(),options.keepOriginalTimestamps||(videoTrack.timelineStartInfo.baseMediaDecodeTime=baseMediaDecodeTime)),pipeline.timestampRolloverStream&&pipeline.timestampRolloverStream.discontinuity()},this.setAudioAppendStart=function(timestamp){audioTrack&&this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(timestamp)},this.setRemux=function(val){var pipeline=this.transmuxPipeline_;options.remux=val,pipeline&&pipeline.coalesceStream&&pipeline.coalesceStream.setRemux(val)},this.alignGopsWith=function(gopsToAlignWith){videoTrack&&this.transmuxPipeline_.videoSegmentStream&&this.transmuxPipeline_.videoSegmentStream.alignGopsWith(gopsToAlignWith)},this.push=function(data){if(hasFlushed){var isAac=isLikelyAacData$1(data);isAac&&"aac"!==this.transmuxPipeline_.type?this.setupAacPipeline():isAac||"ts"===this.transmuxPipeline_.type||this.setupTsPipeline(),hasFlushed=!1}this.transmuxPipeline_.headOfPipeline.push(data)},this.flush=function(){hasFlushed=!0,this.transmuxPipeline_.headOfPipeline.flush()},this.endTimeline=function(){this.transmuxPipeline_.headOfPipeline.endTimeline()},this.reset=function(){this.transmuxPipeline_.headOfPipeline&&this.transmuxPipeline_.headOfPipeline.reset()},this.resetCaptions=function(){this.transmuxPipeline_.captionStream&&this.transmuxPipeline_.captionStream.reset()}},_Transmuxer.prototype=new stream;var transmuxer={Transmuxer:_Transmuxer,VideoSegmentStream:_VideoSegmentStream,AudioSegmentStream:_AudioSegmentStream,AUDIO_PROPERTIES:AUDIO_PROPERTIES,VIDEO_PROPERTIES:VIDEO_PROPERTIES,generateVideoSegmentTimingInfo:generateVideoSegmentTimingInfo},createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),MessageHandlers=function(){function MessageHandlers(self,options){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,MessageHandlers),this.options=options||{},this.self=self,this.init()}return createClass(MessageHandlers,[{key:"init",value:function(){this.transmuxer&&this.transmuxer.dispose(),this.transmuxer=new transmuxer.Transmuxer(this.options),function(self,transmuxer$$1){transmuxer$$1.on("data",(function(segment){var initArray=segment.initSegment;segment.initSegment={data:initArray.buffer,byteOffset:initArray.byteOffset,byteLength:initArray.byteLength};var typedArray=segment.data;segment.data=typedArray.buffer,self.postMessage({action:"data",segment:segment,byteOffset:typedArray.byteOffset,byteLength:typedArray.byteLength},[segment.data])})),transmuxer$$1.captionStream&&transmuxer$$1.captionStream.on("data",(function(caption){self.postMessage({action:"caption",data:caption})})),transmuxer$$1.on("done",(function(data){self.postMessage({action:"done"})})),transmuxer$$1.on("gopInfo",(function(gopInfo){self.postMessage({action:"gopInfo",gopInfo:gopInfo})})),transmuxer$$1.on("videoSegmentTimingInfo",(function(videoSegmentTimingInfo){self.postMessage({action:"videoSegmentTimingInfo",videoSegmentTimingInfo:videoSegmentTimingInfo})}))}(this.self,this.transmuxer)}},{key:"push",value:function(data){var segment=new Uint8Array(data.data,data.byteOffset,data.byteLength);this.transmuxer.push(segment)}},{key:"reset",value:function(){this.init()}},{key:"setTimestampOffset",value:function(data){var timestampOffset=data.timestampOffset||0;this.transmuxer.setBaseMediaDecodeTime(Math.round(9e4*timestampOffset))}},{key:"setAudioAppendStart",value:function(data){this.transmuxer.setAudioAppendStart(Math.ceil(9e4*data.appendStart))}},{key:"flush",value:function(data){this.transmuxer.flush()}},{key:"resetCaptions",value:function(){this.transmuxer.resetCaptions()}},{key:"alignGopsWith",value:function(data){this.transmuxer.alignGopsWith(data.gopsToAlignWith.slice())}}]),MessageHandlers}();new function(self){self.onmessage=function(event){"init"===event.data.action&&event.data.options?this.messageHandlers=new MessageHandlers(self,event.data.options):(this.messageHandlers||(this.messageHandlers=new MessageHandlers(self)),event.data&&event.data.action&&"init"!==event.data.action&&this.messageHandlers[event.data.action]&&this.messageHandlers[event.data.action](event.data))}}(self)}()})),defaultCodecs={videoCodec:"avc1",videoObjectTypeIndicator:".4d400d",audioProfile:"2"},translateLegacyCodecs=function(codecs){return codecs.map((function(codec){return codec.replace(/avc1\.(\d+)\.(\d+)/i,(function(orig,profile,avcLevel){return"avc1."+("00"+Number(profile).toString(16)).slice(-2)+"00"+("00"+Number(avcLevel).toString(16)).slice(-2)}))}))},parseCodecs=function(){var codecs=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"",result={codecCount:0},parsed=void 0;return result.codecCount=codecs.split(",").length,result.codecCount=result.codecCount||2,(parsed=/(^|\s|,)+(avc[13])([^ ,]*)/i.exec(codecs))&&(result.videoCodec=parsed[2],result.videoObjectTypeIndicator=parsed[3]),result.audioProfile=/(^|\s|,)+mp4a.[0-9A-Fa-f]+\.([0-9A-Fa-f]+)/i.exec(codecs),result.audioProfile=result.audioProfile&&result.audioProfile[2],result},makeMimeTypeString=function(type,container,codecs){return type+"/"+container+'; codecs="'+codecs.filter((function(c){return!!c})).join(", ")+'"'},mimeTypesForPlaylist=function(master,media){var containerType=function(media){return media.segments&&media.segments.length&&media.segments[0].map?"mp4":"mp2t"}(media),codecInfo=function(media){var mediaAttributes=media.attributes||{};return mediaAttributes.CODECS?parseCodecs(mediaAttributes.CODECS):defaultCodecs}(media),mediaAttributes=media.attributes||{},isMuxed=!0,isMaat=!1;if(!media)return[];if(master.mediaGroups.AUDIO&&mediaAttributes.AUDIO){var audioGroup=master.mediaGroups.AUDIO[mediaAttributes.AUDIO];if(audioGroup)for(var groupId in isMaat=!0,isMuxed=!1,audioGroup)if(!audioGroup[groupId].uri&&!audioGroup[groupId].playlists){isMuxed=!0;break}}isMaat&&!codecInfo.audioProfile&&(isMuxed||(codecInfo.audioProfile=function(master,audioGroupId){if(!master.mediaGroups.AUDIO||!audioGroupId)return null;var audioGroup=master.mediaGroups.AUDIO[audioGroupId];if(!audioGroup)return null;for(var name in audioGroup){var audioType=audioGroup[name];if(audioType.default&&audioType.playlists)return parseCodecs(audioType.playlists[0].attributes.CODECS).audioProfile}return null}(master,mediaAttributes.AUDIO)),codecInfo.audioProfile||(videojs$1.log.warn("Multiple audio tracks present but no audio codec string is specified. Attempting to use the default audio codec (mp4a.40.2)"),codecInfo.audioProfile=defaultCodecs.audioProfile));var codecStrings={};codecInfo.videoCodec&&(codecStrings.video=""+codecInfo.videoCodec+codecInfo.videoObjectTypeIndicator),codecInfo.audioProfile&&(codecStrings.audio="mp4a.40."+codecInfo.audioProfile);var justAudio=makeMimeTypeString("audio",containerType,[codecStrings.audio]),justVideo=makeMimeTypeString("video",containerType,[codecStrings.video]),bothVideoAudio=makeMimeTypeString("video",containerType,[codecStrings.video,codecStrings.audio]);return isMaat?!isMuxed&&codecStrings.video?[justVideo,justAudio]:isMuxed||codecStrings.video?[bothVideoAudio,justAudio]:[justAudio,justAudio]:codecStrings.video?[bothVideoAudio]:[justAudio]},parseContentType=function(type){var object={type:"",parameters:{}},parameters=type.trim().split(";");return object.type=parameters.shift().trim(),parameters.forEach((function(parameter){var pair=parameter.trim().split("=");if(pair.length>1){var name=pair[0].replace(/"/g,"").trim(),value=pair[1].replace(/"/g,"").trim();object.parameters[name]=value}})),object},isAudioCodec=function(codec){return/mp4a\.\d+.\d+/i.test(codec)},isVideoCodec=function(codec){return/avc1\.[\da-f]+/i.test(codec)},gopsSafeToAlignWith=function(buffer,currentTime,mapping){if(null==currentTime||!buffer.length)return[];var currentTimePts=Math.ceil(9e4*(currentTime-mapping+3)),i=void 0;for(i=0;i<buffer.length&&!(buffer[i].pts>currentTimePts);i++);return buffer.slice(i)},VirtualSourceBuffer=function(_videojs$EventTarget){function VirtualSourceBuffer(mediaSource,codecs){classCallCheck$1(this,VirtualSourceBuffer);var _this=possibleConstructorReturn$1(this,(VirtualSourceBuffer.__proto__||Object.getPrototypeOf(VirtualSourceBuffer)).call(this,videojs$1.EventTarget));_this.timestampOffset_=0,_this.pendingBuffers_=[],_this.bufferUpdating_=!1,_this.mediaSource_=mediaSource,_this.codecs_=codecs,_this.audioCodec_=null,_this.videoCodec_=null,_this.audioDisabled_=!1,_this.appendAudioInitSegment_=!0,_this.gopBuffer_=[],_this.timeMapping_=0,_this.safeAppend_=videojs$1.browser.IE_VERSION>=11;var options={remux:!1,alignGopsAtEnd:_this.safeAppend_};return _this.codecs_.forEach((function(codec){isAudioCodec(codec)?_this.audioCodec_=codec:isVideoCodec(codec)&&(_this.videoCodec_=codec)})),_this.transmuxer_=new TransmuxWorker,_this.transmuxer_.postMessage({action:"init",options:options}),_this.transmuxer_.onmessage=function(event){return"data"===event.data.action?_this.data_(event):"done"===event.data.action?_this.done_(event):"gopInfo"===event.data.action?_this.appendGopInfo_(event):"videoSegmentTimingInfo"===event.data.action?_this.videoSegmentTimingInfo_(event.data.videoSegmentTimingInfo):void 0},Object.defineProperty(_this,"timestampOffset",{get:function(){return this.timestampOffset_},set:function(val){"number"==typeof val&&val>=0&&(this.timestampOffset_=val,this.appendAudioInitSegment_=!0,this.gopBuffer_.length=0,this.timeMapping_=0,this.transmuxer_.postMessage({action:"setTimestampOffset",timestampOffset:val}))}}),Object.defineProperty(_this,"appendWindowStart",{get:function(){return(this.videoBuffer_||this.audioBuffer_).appendWindowStart},set:function(start){this.videoBuffer_&&(this.videoBuffer_.appendWindowStart=start),this.audioBuffer_&&(this.audioBuffer_.appendWindowStart=start)}}),Object.defineProperty(_this,"updating",{get:function(){return!!(this.bufferUpdating_||!this.audioDisabled_&&this.audioBuffer_&&this.audioBuffer_.updating||this.videoBuffer_&&this.videoBuffer_.updating)}}),Object.defineProperty(_this,"buffered",{get:function(){return function(videoBuffer,audioBuffer,audioDisabled){var start=null,end=null,arity=0,extents=[],ranges=[];if(!videoBuffer&&!audioBuffer)return videojs$1.createTimeRange();if(!videoBuffer)return audioBuffer.buffered;if(!audioBuffer)return videoBuffer.buffered;if(audioDisabled)return videoBuffer.buffered;if(0===videoBuffer.buffered.length&&0===audioBuffer.buffered.length)return videojs$1.createTimeRange();for(var videoBuffered=videoBuffer.buffered,audioBuffered=audioBuffer.buffered,count=videoBuffered.length;count--;)extents.push({time:videoBuffered.start(count),type:"start"}),extents.push({time:videoBuffered.end(count),type:"end"});for(count=audioBuffered.length;count--;)extents.push({time:audioBuffered.start(count),type:"start"}),extents.push({time:audioBuffered.end(count),type:"end"});for(extents.sort((function(a,b){return a.time-b.time})),count=0;count<extents.length;count++)"start"===extents[count].type?2==++arity&&(start=extents[count].time):"end"===extents[count].type&&1==--arity&&(end=extents[count].time),null!==start&&null!==end&&(ranges.push([start,end]),start=null,end=null);return videojs$1.createTimeRanges(ranges)}(this.videoBuffer_,this.audioBuffer_,this.audioDisabled_)}}),_this}return inherits$2(VirtualSourceBuffer,_videojs$EventTarget),createClass$1(VirtualSourceBuffer,[{key:"data_",value:function(event){var segment=event.data.segment;segment.data=new Uint8Array(segment.data,event.data.byteOffset,event.data.byteLength),segment.initSegment=new Uint8Array(segment.initSegment.data,segment.initSegment.byteOffset,segment.initSegment.byteLength),function(sourceBuffer,mediaSource,segment){var player=mediaSource.player_;if(segment.captions&&segment.captions.length)for(var trackId in sourceBuffer.inbandTextTracks_||(sourceBuffer.inbandTextTracks_={}),segment.captionStreams)if(!sourceBuffer.inbandTextTracks_[trackId]){player.tech_.trigger({type:"usage",name:"hls-608"});var track=player.textTracks().getTrackById(trackId);sourceBuffer.inbandTextTracks_[trackId]=track||player.addRemoteTextTrack({kind:"captions",id:trackId,label:trackId},!1).track}segment.metadata&&segment.metadata.length&&!sourceBuffer.metadataTrack_&&(sourceBuffer.metadataTrack_=player.addRemoteTextTrack({kind:"metadata",label:"Timed Metadata"},!1).track,sourceBuffer.metadataTrack_.inBandMetadataTrackDispatchType=segment.metadata.dispatchType)}(this,this.mediaSource_,segment),this.pendingBuffers_.push(segment)}},{key:"done_",value:function(event){"closed"!==this.mediaSource_.readyState?this.processPendingSegments_():this.pendingBuffers_.length=0}},{key:"videoSegmentTimingInfo_",value:function(timingInfo){var timingInfoInSeconds={start:{decode:timingInfo.start.dts/9e4,presentation:timingInfo.start.pts/9e4},end:{decode:timingInfo.end.dts/9e4,presentation:timingInfo.end.pts/9e4},baseMediaDecodeTime:timingInfo.baseMediaDecodeTime/9e4};timingInfo.prependedContentDuration&&(timingInfoInSeconds.prependedContentDuration=timingInfo.prependedContentDuration/9e4),this.trigger({type:"videoSegmentTimingInfo",videoSegmentTimingInfo:timingInfoInSeconds})}},{key:"createRealSourceBuffers_",value:function(){var _this2=this,types=["audio","video"];types.forEach((function(type){if(_this2[type+"Codec_"]&&!_this2[type+"Buffer_"]){var buffer=null;if(_this2.mediaSource_[type+"Buffer_"])(buffer=_this2.mediaSource_[type+"Buffer_"]).updating=!1;else{var mimeType=type+'/mp4;codecs="'+_this2[type+"Codec_"]+'"';buffer=function(mediaSource,mimeType){var sourceBuffer=mediaSource.addSourceBuffer(mimeType),wrapper=Object.create(null);wrapper.updating=!1,wrapper.realBuffer_=sourceBuffer;var _loop=function(key){"function"==typeof sourceBuffer[key]?wrapper[key]=function(){return sourceBuffer[key].apply(sourceBuffer,arguments)}:void 0===wrapper[key]&&Object.defineProperty(wrapper,key,{get:function(){return sourceBuffer[key]},set:function(v){return sourceBuffer[key]=v}})};for(var key in sourceBuffer)_loop(key);return wrapper}(_this2.mediaSource_.nativeMediaSource_,mimeType),_this2.mediaSource_[type+"Buffer_"]=buffer}_this2[type+"Buffer_"]=buffer,["update","updatestart","updateend"].forEach((function(event){buffer.addEventListener(event,(function(){if("audio"!==type||!_this2.audioDisabled_)return"updateend"===event&&(_this2[type+"Buffer_"].updating=!1),types.every((function(t){return!("audio"!==t||!_this2.audioDisabled_)||type===t||!_this2[t+"Buffer_"]||!_this2[t+"Buffer_"].updating}))?_this2.trigger(event):void 0}))}))}}))}},{key:"appendBuffer",value:function(segment){if(this.bufferUpdating_=!0,this.audioBuffer_&&this.audioBuffer_.buffered.length){var audioBuffered=this.audioBuffer_.buffered;this.transmuxer_.postMessage({action:"setAudioAppendStart",appendStart:audioBuffered.end(audioBuffered.length-1)})}this.videoBuffer_&&this.transmuxer_.postMessage({action:"alignGopsWith",gopsToAlignWith:gopsSafeToAlignWith(this.gopBuffer_,this.mediaSource_.player_?this.mediaSource_.player_.currentTime():null,this.timeMapping_)}),this.transmuxer_.postMessage({action:"push",data:segment.buffer,byteOffset:segment.byteOffset,byteLength:segment.byteLength},[segment.buffer]),this.transmuxer_.postMessage({action:"flush"})}},{key:"appendGopInfo_",value:function(event){this.gopBuffer_=function(buffer,gops,replace){if(!gops.length)return buffer;if(replace)return gops.slice();for(var start=gops[0].pts,i=0;i<buffer.length&&!(buffer[i].pts>=start);i++);return buffer.slice(0,i).concat(gops)}(this.gopBuffer_,event.data.gopInfo,this.safeAppend_)}},{key:"remove",value:function(start,end){if(this.videoBuffer_&&(this.videoBuffer_.updating=!0,this.videoBuffer_.remove(start,end),this.gopBuffer_=function(buffer,start,end,mapping){for(var startPts=Math.ceil(9e4*(start-mapping)),endPts=Math.ceil(9e4*(end-mapping)),updatedBuffer=buffer.slice(),i=buffer.length;i--&&!(buffer[i].pts<=endPts););if(-1===i)return updatedBuffer;for(var j=i+1;j--&&!(buffer[j].pts<=startPts););return j=Math.max(j,0),updatedBuffer.splice(j,i-j+1),updatedBuffer}(this.gopBuffer_,start,end,this.timeMapping_)),!this.audioDisabled_&&this.audioBuffer_&&(this.audioBuffer_.updating=!0,this.audioBuffer_.remove(start,end)),removeCuesFromTrack(start,end,this.metadataTrack_),this.inbandTextTracks_)for(var track in this.inbandTextTracks_)removeCuesFromTrack(start,end,this.inbandTextTracks_[track])}},{key:"processPendingSegments_",value:function(){var sortedSegments={video:{segments:[],bytes:0},audio:{segments:[],bytes:0},captions:[],metadata:[]};if(!this.pendingBuffers_.length)return this.trigger("updateend"),void(this.bufferUpdating_=!1);sortedSegments=this.pendingBuffers_.reduce((function(segmentObj,segment){var type=segment.type,data=segment.data,initSegment=segment.initSegment;return segmentObj[type].segments.push(data),segmentObj[type].bytes+=data.byteLength,segmentObj[type].initSegment=initSegment,segment.captions&&(segmentObj.captions=segmentObj.captions.concat(segment.captions)),segment.info&&(segmentObj[type].info=segment.info),segment.metadata&&(segmentObj.metadata=segmentObj.metadata.concat(segment.metadata)),segmentObj}),sortedSegments),this.videoBuffer_||this.audioBuffer_||(0===sortedSegments.video.bytes&&(this.videoCodec_=null),0===sortedSegments.audio.bytes&&(this.audioCodec_=null),this.createRealSourceBuffers_()),sortedSegments.audio.info&&this.mediaSource_.trigger({type:"audioinfo",info:sortedSegments.audio.info}),sortedSegments.video.info&&this.mediaSource_.trigger({type:"videoinfo",info:sortedSegments.video.info}),this.appendAudioInitSegment_&&(!this.audioDisabled_&&this.audioBuffer_&&(sortedSegments.audio.segments.unshift(sortedSegments.audio.initSegment),sortedSegments.audio.bytes+=sortedSegments.audio.initSegment.byteLength),this.appendAudioInitSegment_=!1);var triggerUpdateend=!1;this.videoBuffer_&&sortedSegments.video.bytes?(sortedSegments.video.segments.unshift(sortedSegments.video.initSegment),sortedSegments.video.bytes+=sortedSegments.video.initSegment.byteLength,this.concatAndAppendSegments_(sortedSegments.video,this.videoBuffer_)):!this.videoBuffer_||!this.audioDisabled_&&this.audioBuffer_||(triggerUpdateend=!0),addTextTrackData(this,sortedSegments.captions,sortedSegments.metadata),!this.audioDisabled_&&this.audioBuffer_&&this.concatAndAppendSegments_(sortedSegments.audio,this.audioBuffer_),this.pendingBuffers_.length=0,triggerUpdateend&&this.trigger("updateend"),this.bufferUpdating_=!1}},{key:"concatAndAppendSegments_",value:function(segmentObj,destinationBuffer){var offset=0,tempBuffer=void 0;if(segmentObj.bytes){tempBuffer=new Uint8Array(segmentObj.bytes),segmentObj.segments.forEach((function(segment){tempBuffer.set(segment,offset),offset+=segment.byteLength}));try{destinationBuffer.updating=!0,destinationBuffer.appendBuffer(tempBuffer)}catch(error){this.mediaSource_.player_&&this.mediaSource_.player_.error({code:-3,type:"APPEND_BUFFER_ERR",message:error.message,originalError:error})}}}},{key:"abort",value:function(){this.videoBuffer_&&this.videoBuffer_.abort(),!this.audioDisabled_&&this.audioBuffer_&&this.audioBuffer_.abort(),this.transmuxer_&&this.transmuxer_.postMessage({action:"reset"}),this.pendingBuffers_.length=0,this.bufferUpdating_=!1}},{key:"dispose",value:function(){this.trigger("dispose"),this.off()}}]),VirtualSourceBuffer}(videojs$1.EventTarget),HtmlMediaSource=function(_videojs$EventTarget){function HtmlMediaSource(){classCallCheck$1(this,HtmlMediaSource);var _this=possibleConstructorReturn$1(this,(HtmlMediaSource.__proto__||Object.getPrototypeOf(HtmlMediaSource)).call(this)),property=void 0;for(property in _this.nativeMediaSource_=new window$3.MediaSource,_this.nativeMediaSource_)property in HtmlMediaSource.prototype||"function"!=typeof _this.nativeMediaSource_[property]||(_this[property]=_this.nativeMediaSource_[property].bind(_this.nativeMediaSource_));return _this.duration_=NaN,Object.defineProperty(_this,"duration",{get:function(){return this.duration_===1/0?this.duration_:this.nativeMediaSource_.duration},set:function(duration){this.duration_=duration,duration===1/0||(this.nativeMediaSource_.duration=duration)}}),Object.defineProperty(_this,"seekable",{get:function(){return this.duration_===1/0?videojs$1.createTimeRanges([[0,this.nativeMediaSource_.duration]]):this.nativeMediaSource_.seekable}}),Object.defineProperty(_this,"readyState",{get:function(){return this.nativeMediaSource_.readyState}}),Object.defineProperty(_this,"activeSourceBuffers",{get:function(){return this.activeSourceBuffers_}}),_this.sourceBuffers=[],_this.activeSourceBuffers_=[],_this.updateActiveSourceBuffers_=function(){if(_this.activeSourceBuffers_.length=0,1===_this.sourceBuffers.length){var sourceBuffer=_this.sourceBuffers[0];return sourceBuffer.appendAudioInitSegment_=!0,sourceBuffer.audioDisabled_=!sourceBuffer.audioCodec_,void _this.activeSourceBuffers_.push(sourceBuffer)}for(var disableCombined=!1,disableAudioOnly=!0,i=0;i<_this.player_.audioTracks().length;i++){var track=_this.player_.audioTracks()[i];if(track.enabled&&"main"!==track.kind){disableCombined=!0,disableAudioOnly=!1;break}}_this.sourceBuffers.forEach((function(sourceBuffer,index){if(sourceBuffer.appendAudioInitSegment_=!0,sourceBuffer.videoCodec_&&sourceBuffer.audioCodec_)sourceBuffer.audioDisabled_=disableCombined;else if(sourceBuffer.videoCodec_&&!sourceBuffer.audioCodec_)sourceBuffer.audioDisabled_=!0,disableAudioOnly=!1;else if(!sourceBuffer.videoCodec_&&sourceBuffer.audioCodec_&&(sourceBuffer.audioDisabled_=index?disableAudioOnly:!disableAudioOnly,sourceBuffer.audioDisabled_))return;_this.activeSourceBuffers_.push(sourceBuffer)}))},_this.onPlayerMediachange_=function(){_this.sourceBuffers.forEach((function(sourceBuffer){sourceBuffer.appendAudioInitSegment_=!0}))},_this.onHlsReset_=function(){_this.sourceBuffers.forEach((function(sourceBuffer){sourceBuffer.transmuxer_&&sourceBuffer.transmuxer_.postMessage({action:"resetCaptions"})}))},_this.onHlsSegmentTimeMapping_=function(event){_this.sourceBuffers.forEach((function(buffer){return buffer.timeMapping_=event.mapping}))},["sourceopen","sourceclose","sourceended"].forEach((function(eventName){this.nativeMediaSource_.addEventListener(eventName,this.trigger.bind(this))}),_this),_this.on("sourceopen",(function(event){var video=document.querySelector('[src="'+_this.url_+'"]');video&&(_this.player_=videojs$1(video.parentNode),_this.player_&&(_this.player_.tech_.on("hls-reset",_this.onHlsReset_),_this.player_.tech_.on("hls-segment-time-mapping",_this.onHlsSegmentTimeMapping_),_this.player_.audioTracks&&_this.player_.audioTracks()&&(_this.player_.audioTracks().on("change",_this.updateActiveSourceBuffers_),_this.player_.audioTracks().on("addtrack",_this.updateActiveSourceBuffers_),_this.player_.audioTracks().on("removetrack",_this.updateActiveSourceBuffers_)),_this.player_.on("mediachange",_this.onPlayerMediachange_)))})),_this.on("sourceended",(function(event){for(var duration=durationOfVideo(_this.duration),i=0;i<_this.sourceBuffers.length;i++){var sourcebuffer=_this.sourceBuffers[i],cues=sourcebuffer.metadataTrack_&&sourcebuffer.metadataTrack_.cues;cues&&cues.length&&(cues[cues.length-1].endTime=duration)}})),_this.on("sourceclose",(function(event){this.sourceBuffers.forEach((function(sourceBuffer){sourceBuffer.transmuxer_&&sourceBuffer.transmuxer_.terminate()})),this.sourceBuffers.length=0,this.player_&&(this.player_.audioTracks&&this.player_.audioTracks()&&(this.player_.audioTracks().off("change",this.updateActiveSourceBuffers_),this.player_.audioTracks().off("addtrack",this.updateActiveSourceBuffers_),this.player_.audioTracks().off("removetrack",this.updateActiveSourceBuffers_)),this.player_.el_&&this.player_.off("mediachange",this.onPlayerMediachange_),this.player_.tech_&&this.player_.tech_.el_&&(this.player_.tech_.off("hls-reset",this.onHlsReset_),this.player_.tech_.off("hls-segment-time-mapping",this.onHlsSegmentTimeMapping_)))})),_this}return inherits$2(HtmlMediaSource,_videojs$EventTarget),createClass$1(HtmlMediaSource,[{key:"addSeekableRange_",value:function(start,end){var error=void 0;if(this.duration!==1/0)throw(error=new Error("MediaSource.addSeekableRange() can only be invoked when the duration is Infinity")).name="InvalidStateError",error.code=11,error;(end>this.nativeMediaSource_.duration||isNaN(this.nativeMediaSource_.duration))&&(this.nativeMediaSource_.duration=end)}},{key:"addSourceBuffer",value:function(type){var buffer=void 0,parsedType=parseContentType(type);if(/^(video|audio)\/mp2t$/i.test(parsedType.type)){var codecs=[];parsedType.parameters&&parsedType.parameters.codecs&&(codecs=parsedType.parameters.codecs.split(","),codecs=(codecs=translateLegacyCodecs(codecs)).filter((function(codec){return isAudioCodec(codec)||isVideoCodec(codec)}))),0===codecs.length&&(codecs=["avc1.4d400d","mp4a.40.2"]),buffer=new VirtualSourceBuffer(this,codecs),0!==this.sourceBuffers.length&&(this.sourceBuffers[0].createRealSourceBuffers_(),buffer.createRealSourceBuffers_(),this.sourceBuffers[0].audioDisabled_=!0)}else buffer=this.nativeMediaSource_.addSourceBuffer(type);return this.sourceBuffers.push(buffer),buffer}},{key:"dispose",value:function(){this.trigger("dispose"),this.off(),this.sourceBuffers.forEach((function(buffer){buffer.dispose&&buffer.dispose()})),this.sourceBuffers.length=0}}]),HtmlMediaSource}(videojs$1.EventTarget),urlCount=0;videojs$1.mediaSources={};var open=function(msObjectURL,swfId){var mediaSource=videojs$1.mediaSources[msObjectURL];if(!mediaSource)throw new Error("Media Source not found (Video.js)");mediaSource.trigger({type:"sourceopen",swfId:swfId})},supportsNativeMediaSources=function(){return!!window$3.MediaSource&&!!window$3.MediaSource.isTypeSupported&&window$3.MediaSource.isTypeSupported('video/mp4;codecs="avc1.4d400d,mp4a.40.2"')},MediaSource=function(){if(this.MediaSource={open:open,supportsNativeMediaSources:supportsNativeMediaSources},supportsNativeMediaSources())return new HtmlMediaSource;throw new Error("Cannot use create a virtual MediaSource for this video")};MediaSource.open=open,MediaSource.supportsNativeMediaSources=supportsNativeMediaSources;var URL$1={createObjectURL:function(object){var url=void 0;return object instanceof HtmlMediaSource?(url=window$3.URL.createObjectURL(object.nativeMediaSource_),object.url_=url,url):object instanceof HtmlMediaSource?(url="blob:vjs-media-source/"+urlCount,urlCount++,videojs$1.mediaSources[url]=object,url):(url=window$3.URL.createObjectURL(object),object.url_=url,url)}};videojs$1.MediaSource=MediaSource,videojs$1.URL=URL$1;var EventTarget$1$1=videojs$1.EventTarget,mergeOptions$2=videojs$1.mergeOptions,updateMaster$1=function(oldMaster,newMaster){for(var noChanges=void 0,update=mergeOptions$2(oldMaster,{duration:newMaster.duration,minimumUpdatePeriod:newMaster.minimumUpdatePeriod}),i=0;i<newMaster.playlists.length;i++){var playlistUpdate=updateMaster(update,newMaster.playlists[i]);playlistUpdate?update=playlistUpdate:noChanges=!0}return forEachMediaGroup(newMaster,(function(properties,type,group,label){if(properties.playlists&&properties.playlists.length){var id=properties.playlists[0].id,_playlistUpdate=updateMaster(update,properties.playlists[0]);_playlistUpdate&&((update=_playlistUpdate).mediaGroups[type][group][label].playlists[0]=update.playlists[id],noChanges=!1)}})),noChanges?null:update},generateSidxKey=function(sidxInfo){var sidxByteRangeEnd=sidxInfo.byterange.offset+sidxInfo.byterange.length-1;return sidxInfo.uri+"-"+sidxInfo.byterange.offset+"-"+sidxByteRangeEnd},compareSidxEntry=function(playlists,oldSidxMapping){var a,b,newSidxMapping={};for(var id in playlists){var currentSidxInfo=playlists[id].sidx;if(currentSidxInfo){var key=generateSidxKey(currentSidxInfo);if(!oldSidxMapping[key])break;var savedSidxInfo=oldSidxMapping[key].sidxInfo;a=savedSidxInfo,b=currentSidxInfo,(Boolean(!a.map&&!b.map)||Boolean(a.map&&b.map&&a.map.byterange.offset===b.map.byterange.offset&&a.map.byterange.length===b.map.byterange.length))&&a.uri===b.uri&&a.byterange.offset===b.byterange.offset&&a.byterange.length===b.byterange.length&&(newSidxMapping[key]=oldSidxMapping[key])}}return newSidxMapping},requestSidx_=function(sidxRange,playlist,xhr,options,finishProcessingFn){var sidxInfo={uri:resolveManifestRedirect(options.handleManifestRedirects,sidxRange.resolvedUri),byterange:sidxRange.byterange,playlist:playlist};return xhr(videojs$1.mergeOptions(sidxInfo,{responseType:"arraybuffer",headers:segmentXhrHeaders(sidxInfo)}),finishProcessingFn)},DashPlaylistLoader=function(_EventTarget){function DashPlaylistLoader(srcUrlOrPlaylist,hls){var options=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},masterPlaylistLoader=arguments[3];classCallCheck$1(this,DashPlaylistLoader);var _this=possibleConstructorReturn$1(this,(DashPlaylistLoader.__proto__||Object.getPrototypeOf(DashPlaylistLoader)).call(this)),_options$withCredenti=options.withCredentials,withCredentials=void 0!==_options$withCredenti&&_options$withCredenti,_options$handleManife=options.handleManifestRedirects,handleManifestRedirects=void 0!==_options$handleManife&&_options$handleManife;if(_this.hls_=hls,_this.withCredentials=withCredentials,_this.handleManifestRedirects=handleManifestRedirects,!srcUrlOrPlaylist)throw new Error("A non-empty playlist URL or playlist is required");return _this.on("minimumUpdatePeriod",(function(){_this.refreshXml_()})),_this.on("mediaupdatetimeout",(function(){_this.refreshMedia_(_this.media().id)})),_this.state="HAVE_NOTHING",_this.loadedPlaylists_={},"string"==typeof srcUrlOrPlaylist?(_this.srcUrl=srcUrlOrPlaylist,_this.sidxMapping_={},possibleConstructorReturn$1(_this)):(_this.setupChildLoader(masterPlaylistLoader,srcUrlOrPlaylist),_this)}return inherits$2(DashPlaylistLoader,_EventTarget),createClass$1(DashPlaylistLoader,[{key:"setupChildLoader",value:function(masterPlaylistLoader,playlist){this.masterPlaylistLoader_=masterPlaylistLoader,this.childPlaylist_=playlist}},{key:"dispose",value:function(){this.trigger("dispose"),this.stopRequest(),this.loadedPlaylists_={},window$3.clearTimeout(this.minimumUpdatePeriodTimeout_),window$3.clearTimeout(this.mediaRequest_),window$3.clearTimeout(this.mediaUpdateTimeout),this.off()}},{key:"hasPendingRequest",value:function(){return this.request||this.mediaRequest_}},{key:"stopRequest",value:function(){if(this.request){var oldRequest=this.request;this.request=null,oldRequest.onreadystatechange=null,oldRequest.abort()}}},{key:"sidxRequestFinished_",value:function(playlist,master,startingState,doneFn){var _this2=this;return function(err,request){if(_this2.request){if(_this2.request=null,err)return _this2.error={status:request.status,message:"DASH playlist request error at URL: "+playlist.uri,response:request.response,code:2},startingState&&(_this2.state=startingState),_this2.trigger("error"),doneFn(master,null);var bytes=new Uint8Array(request.response),sidx=mp4Inspector.parseSidx(bytes.subarray(8));return doneFn(master,sidx)}}}},{key:"media",value:function(playlist){var _this3=this;if(!playlist)return this.media_;if("HAVE_NOTHING"===this.state)throw new Error("Cannot switch media playlist from "+this.state);var startingState=this.state;if("string"==typeof playlist){if(!this.master.playlists[playlist])throw new Error("Unknown playlist URI: "+playlist);playlist=this.master.playlists[playlist]}var mediaChange=!this.media_||playlist.id!==this.media_.id;if(mediaChange&&this.loadedPlaylists_[playlist.id]&&this.loadedPlaylists_[playlist.id].endList)return this.state="HAVE_METADATA",this.media_=playlist,void(mediaChange&&(this.trigger("mediachanging"),this.trigger("mediachange")));if(mediaChange)if(this.media_&&this.trigger("mediachanging"),playlist.sidx){var oldMaster=void 0,sidxMapping=void 0;this.masterPlaylistLoader_?(oldMaster=this.masterPlaylistLoader_.master,sidxMapping=this.masterPlaylistLoader_.sidxMapping_):(oldMaster=this.master,sidxMapping=this.sidxMapping_);var sidxKey=generateSidxKey(playlist.sidx);sidxMapping[sidxKey]={sidxInfo:playlist.sidx},this.request=requestSidx_(playlist.sidx,playlist,this.hls_.xhr,{handleManifestRedirects:this.handleManifestRedirects},this.sidxRequestFinished_(playlist,oldMaster,startingState,(function(newMaster,sidx){if(!newMaster||!sidx)throw new Error("failed to request sidx");sidxMapping[sidxKey].sidx=sidx,_this3.haveMetadata({startingState:startingState,playlist:newMaster.playlists[playlist.id]})})))}else this.mediaRequest_=window$3.setTimeout(this.haveMetadata.bind(this,{startingState:startingState,playlist:playlist}),0)}},{key:"haveMetadata",value:function(_ref){var startingState=_ref.startingState,playlist=_ref.playlist;this.state="HAVE_METADATA",this.loadedPlaylists_[playlist.id]=playlist,this.mediaRequest_=null,this.refreshMedia_(playlist.id),"HAVE_MASTER"===startingState?this.trigger("loadedmetadata"):this.trigger("mediachange")}},{key:"pause",value:function(){this.stopRequest(),window$3.clearTimeout(this.mediaUpdateTimeout),window$3.clearTimeout(this.minimumUpdatePeriodTimeout_),"HAVE_NOTHING"===this.state&&(this.started=!1)}},{key:"load",value:function(isFinalRendition){var _this4=this;window$3.clearTimeout(this.mediaUpdateTimeout),window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);var media=this.media();if(isFinalRendition){var delay=media?media.targetDuration/2*1e3:5e3;this.mediaUpdateTimeout=window$3.setTimeout((function(){return _this4.load()}),delay)}else this.started?media&&!media.endList?this.trigger("mediaupdatetimeout"):this.trigger("loadedplaylist"):this.start()}},{key:"parseMasterXml",value:function(){var master=parse(this.masterXml_,{manifestUri:this.srcUrl,clientOffset:this.clientOffset_,sidxMapping:this.sidxMapping_});master.uri=this.srcUrl;for(var i=0;i<master.playlists.length;i++){var phonyUri="placeholder-uri-"+i;master.playlists[i].uri=phonyUri}return forEachMediaGroup(master,(function(properties,mediaType,groupKey,labelKey){if(properties.playlists&&properties.playlists.length){var _phonyUri="placeholder-uri-"+mediaType+"-"+groupKey+"-"+labelKey,id=createPlaylistID(0,_phonyUri);properties.playlists[0].uri=_phonyUri,properties.playlists[0].id=id,master.playlists[id]=properties.playlists[0],master.playlists[_phonyUri]=properties.playlists[0]}})),setupMediaPlaylists(master),resolveMediaGroupUris(master),master}},{key:"start",value:function(){var _this5=this;this.started=!0,this.masterPlaylistLoader_?this.mediaRequest_=window$3.setTimeout(this.haveMaster_.bind(this),0):this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},(function(error,req){if(_this5.request){if(_this5.request=null,error)return _this5.error={status:req.status,message:"DASH playlist request error at URL: "+_this5.srcUrl,responseText:req.responseText,code:2},"HAVE_NOTHING"===_this5.state&&(_this5.started=!1),_this5.trigger("error");_this5.masterXml_=req.responseText,req.responseHeaders&&req.responseHeaders.date?_this5.masterLoaded_=Date.parse(req.responseHeaders.date):_this5.masterLoaded_=Date.now(),_this5.srcUrl=resolveManifestRedirect(_this5.handleManifestRedirects,_this5.srcUrl,req),_this5.syncClientServerClock_(_this5.onClientServerClockSync_.bind(_this5))}}))}},{key:"syncClientServerClock_",value:function(done){var _this6=this,utcTiming=parseUTCTiming(this.masterXml_);return null===utcTiming?(this.clientOffset_=this.masterLoaded_-Date.now(),done()):"DIRECT"===utcTiming.method?(this.clientOffset_=utcTiming.value-Date.now(),done()):void(this.request=this.hls_.xhr({uri:resolveUrl$1(this.srcUrl,utcTiming.value),method:utcTiming.method,withCredentials:this.withCredentials},(function(error,req){if(_this6.request){if(error)return _this6.clientOffset_=_this6.masterLoaded_-Date.now(),done();var serverTime=void 0;serverTime="HEAD"===utcTiming.method?req.responseHeaders&&req.responseHeaders.date?Date.parse(req.responseHeaders.date):_this6.masterLoaded_:Date.parse(req.responseText),_this6.clientOffset_=serverTime-Date.now(),done()}})))}},{key:"haveMaster_",value:function(){this.state="HAVE_MASTER",this.mediaRequest_=null,this.masterPlaylistLoader_?this.media_||this.media(this.childPlaylist_):(this.master=this.parseMasterXml(),this.trigger("loadedplaylist"))}},{key:"onClientServerClockSync_",value:function(){var _this7=this;this.haveMaster_(),this.hasPendingRequest()||this.media_||this.media(this.master.playlists[0]),this.master&&this.master.minimumUpdatePeriod&&(this.minimumUpdatePeriodTimeout_=window$3.setTimeout((function(){_this7.trigger("minimumUpdatePeriod")}),this.master.minimumUpdatePeriod))}},{key:"refreshXml_",value:function(){var _this8=this;this.request=this.hls_.xhr({uri:this.srcUrl,withCredentials:this.withCredentials},(function(error,req){if(_this8.request){if(_this8.request=null,error)return _this8.error={status:req.status,message:"DASH playlist request error at URL: "+_this8.srcUrl,responseText:req.responseText,code:2},"HAVE_NOTHING"===_this8.state&&(_this8.started=!1),_this8.trigger("error");_this8.masterXml_=req.responseText,_this8.sidxMapping_=function(masterXml,srcUrl,clientOffset,oldSidxMapping){var master=parse(masterXml,{manifestUri:srcUrl,clientOffset:clientOffset}),mediaGroupSidx=compareSidxEntry(master.playlists,oldSidxMapping);return forEachMediaGroup(master,(function(properties,mediaType,groupKey,labelKey){if(properties.playlists&&properties.playlists.length){var playlists=properties.playlists;mediaGroupSidx=mergeOptions$2(mediaGroupSidx,compareSidxEntry(playlists,oldSidxMapping))}})),mediaGroupSidx}(_this8.masterXml_,_this8.srcUrl,_this8.clientOffset_,_this8.sidxMapping_);var master=_this8.parseMasterXml(),updatedMaster=updateMaster$1(_this8.master,master),currentSidxInfo=_this8.media().sidx;if(updatedMaster)if(currentSidxInfo){var sidxKey=generateSidxKey(currentSidxInfo);if(!_this8.sidxMapping_[sidxKey]){var playlist=_this8.media();_this8.request=requestSidx_(playlist.sidx,playlist,_this8.hls_.xhr,{handleManifestRedirects:_this8.handleManifestRedirects},_this8.sidxRequestFinished_(playlist,master,_this8.state,(function(newMaster,sidx){if(!newMaster||!sidx)throw new Error("failed to request sidx on minimumUpdatePeriod");_this8.sidxMapping_[sidxKey].sidx=sidx,_this8.minimumUpdatePeriodTimeout_=window$3.setTimeout((function(){_this8.trigger("minimumUpdatePeriod")}),_this8.master.minimumUpdatePeriod),_this8.refreshMedia_(_this8.media().id)})))}}else _this8.master=updatedMaster;_this8.minimumUpdatePeriodTimeout_=window$3.setTimeout((function(){_this8.trigger("minimumUpdatePeriod")}),_this8.master.minimumUpdatePeriod)}}))}},{key:"refreshMedia_",value:function(mediaID){var _this9=this;if(!mediaID)throw new Error("refreshMedia_ must take a media id");var oldMaster=void 0,newMaster=void 0;this.masterPlaylistLoader_?(oldMaster=this.masterPlaylistLoader_.master,newMaster=this.masterPlaylistLoader_.parseMasterXml()):(oldMaster=this.master,newMaster=this.parseMasterXml());var updatedMaster=updateMaster$1(oldMaster,newMaster);updatedMaster?(this.masterPlaylistLoader_?this.masterPlaylistLoader_.master=updatedMaster:this.master=updatedMaster,this.media_=updatedMaster.playlists[mediaID]):(this.media_=newMaster.playlists[mediaID],this.trigger("playlistunchanged")),this.media().endList||(this.mediaUpdateTimeout=window$3.setTimeout((function(){_this9.trigger("mediaupdatetimeout")}),refreshDelay(this.media(),!!updatedMaster))),this.trigger("loadedplaylist")}}]),DashPlaylistLoader}(EventTarget$1$1),logger=function(source){return videojs$1.log.debug?videojs$1.log.debug.bind(videojs$1,"VHS:",source+" >"):function(){}};function noop$1(){}var SourceUpdater=function(){function SourceUpdater(mediaSource,mimeType,type,sourceBufferEmitter){classCallCheck$1(this,SourceUpdater),this.callbacks_=[],this.pendingCallback_=null,this.timestampOffset_=0,this.mediaSource=mediaSource,this.processedAppend_=!1,this.type_=type,this.mimeType_=mimeType,this.logger_=logger("SourceUpdater["+type+"]["+mimeType+"]"),"closed"===mediaSource.readyState?mediaSource.addEventListener("sourceopen",this.createSourceBuffer_.bind(this,mimeType,sourceBufferEmitter)):this.createSourceBuffer_(mimeType,sourceBufferEmitter)}return createClass$1(SourceUpdater,[{key:"createSourceBuffer_",value:function(mimeType,sourceBufferEmitter){var _this=this;this.sourceBuffer_=this.mediaSource.addSourceBuffer(mimeType),this.logger_("created SourceBuffer"),sourceBufferEmitter&&(sourceBufferEmitter.trigger("sourcebufferadded"),this.mediaSource.sourceBuffers.length<2)?sourceBufferEmitter.on("sourcebufferadded",(function(){_this.start_()})):this.start_()}},{key:"start_",value:function(){var _this2=this;this.started_=!0,this.onUpdateendCallback_=function(){var pendingCallback=_this2.pendingCallback_;_this2.pendingCallback_=null,_this2.sourceBuffer_.removing=!1,_this2.logger_("buffered ["+printableRange(_this2.buffered())+"]"),pendingCallback&&pendingCallback(),_this2.runCallback_()},this.sourceBuffer_.addEventListener("updateend",this.onUpdateendCallback_),this.runCallback_()}},{key:"abort",value:function(done){var _this3=this;this.processedAppend_&&this.queueCallback_((function(){_this3.sourceBuffer_.abort()}),done)}},{key:"appendBuffer",value:function(config,done){var _this4=this;this.processedAppend_=!0,this.queueCallback_((function(){config.videoSegmentTimingInfoCallback&&_this4.sourceBuffer_.addEventListener("videoSegmentTimingInfo",config.videoSegmentTimingInfoCallback),_this4.sourceBuffer_.appendBuffer(config.bytes)}),(function(){config.videoSegmentTimingInfoCallback&&_this4.sourceBuffer_.removeEventListener("videoSegmentTimingInfo",config.videoSegmentTimingInfoCallback),done()}))}},{key:"buffered",value:function(){return this.sourceBuffer_?this.sourceBuffer_.buffered:videojs$1.createTimeRanges()}},{key:"remove",value:function(start,end){var _this5=this,done=arguments.length>2&&void 0!==arguments[2]?arguments[2]:noop$1;this.processedAppend_&&this.queueCallback_((function(){_this5.logger_("remove ["+start+" => "+end+"]"),_this5.sourceBuffer_.removing=!0,_this5.sourceBuffer_.remove(start,end)}),done)}},{key:"updating",value:function(){return!this.sourceBuffer_||this.sourceBuffer_.updating||!!this.pendingCallback_&&this.pendingCallback_!==noop$1}},{key:"timestampOffset",value:function(offset){var _this6=this;return void 0!==offset&&(this.queueCallback_((function(){_this6.sourceBuffer_.timestampOffset=offset,_this6.runCallback_()})),this.timestampOffset_=offset),this.timestampOffset_}},{key:"queueCallback_",value:function(callback,done){this.callbacks_.push([callback.bind(this),done]),this.runCallback_()}},{key:"runCallback_",value:function(){var callbacks=void 0;!this.updating()&&this.callbacks_.length&&this.started_&&(callbacks=this.callbacks_.shift(),this.pendingCallback_=callbacks[1],callbacks[0]())}},{key:"dispose",value:function(){var _this7=this,disposeFn=function disposeFn(){_this7.sourceBuffer_&&"open"===_this7.mediaSource.readyState&&_this7.sourceBuffer_.abort(),_this7.sourceBuffer_.removeEventListener("updateend",disposeFn)};this.sourceBuffer_.removeEventListener("updateend",this.onUpdateendCallback_),this.sourceBuffer_.removing?this.sourceBuffer_.addEventListener("updateend",disposeFn):disposeFn()}}]),SourceUpdater}(),Config={GOAL_BUFFER_LENGTH:30,MAX_GOAL_BUFFER_LENGTH:60,GOAL_BUFFER_LENGTH_RATE:1,INITIAL_BANDWIDTH:4194304,BANDWIDTH_VARIANCE:1.2,BUFFER_LOW_WATER_LINE:0,MAX_BUFFER_LOW_WATER_LINE:30,BUFFER_LOW_WATER_LINE_RATE:1},REQUEST_ERRORS_FAILURE=2,REQUEST_ERRORS_TIMEOUT=-101,REQUEST_ERRORS_ABORTED=-102,abortAll=function(activeXhrs){activeXhrs.forEach((function(xhr){xhr.abort()}))},handleErrors=function(error,request){return request.timedout?{status:request.status,message:"HLS request timed-out at URL: "+request.uri,code:REQUEST_ERRORS_TIMEOUT,xhr:request}:request.aborted?{status:request.status,message:"HLS request aborted at URL: "+request.uri,code:REQUEST_ERRORS_ABORTED,xhr:request}:error?{status:request.status,message:"HLS request errored at URL: "+request.uri,code:REQUEST_ERRORS_FAILURE,xhr:request}:null},waitForCompletion=function(activeXhrs,decrypter,doneFn){var count=0,didError=!1;return function(error,segment){if(!didError)return error?(didError=!0,abortAll(activeXhrs),doneFn(error,segment)):(count+=1)===activeXhrs.length?(segment.endOfAllRequests=Date.now(),segment.encryptedBytes?function(decrypter,segment,doneFn){decrypter.addEventListener("message",(function decryptionHandler(event){if(event.data.source===segment.requestId){decrypter.removeEventListener("message",decryptionHandler);var decrypted=event.data.decrypted;return segment.bytes=new Uint8Array(decrypted.bytes,decrypted.byteOffset,decrypted.byteLength),doneFn(null,segment)}}));var keyBytes=void 0;keyBytes=segment.key.bytes.slice?segment.key.bytes.slice():new Uint32Array(Array.prototype.slice.call(segment.key.bytes)),decrypter.postMessage(createTransferableMessage({source:segment.requestId,encrypted:segment.encryptedBytes,key:keyBytes,iv:segment.key.iv}),[segment.encryptedBytes.buffer,keyBytes.buffer])}(decrypter,segment,doneFn):doneFn(null,segment)):void 0}},handleProgress=function(segment,progressFn){return function(event){var progressEvent,request,stats;return segment.stats=videojs$1.mergeOptions(segment.stats,(request=(progressEvent=event).target,(stats={bandwidth:1/0,bytesReceived:0,roundTripTime:Date.now()-request.requestTime||0}).bytesReceived=progressEvent.loaded,stats.bandwidth=Math.floor(stats.bytesReceived/stats.roundTripTime*8*1e3),stats)),!segment.stats.firstBytesReceivedAt&&segment.stats.bytesReceived&&(segment.stats.firstBytesReceivedAt=Date.now()),progressFn(event,segment)}},mediaSegmentRequest=function(xhr,xhrOptions,decryptionWorker,captionParser,segment,progressFn,doneFn){var activeXhrs=[],finishProcessingFn=waitForCompletion(activeXhrs,decryptionWorker,doneFn);if(segment.key&&!segment.key.bytes){var keyRequestOptions=videojs$1.mergeOptions(xhrOptions,{uri:segment.key.resolvedUri,responseType:"arraybuffer"}),keyRequestCallback=function(segment,finishProcessingFn){return function(error,request){var response=request.response,errorObj=handleErrors(error,request);if(errorObj)return finishProcessingFn(errorObj,segment);if(16!==response.byteLength)return finishProcessingFn({status:request.status,message:"Invalid HLS key at URL: "+request.uri,code:REQUEST_ERRORS_FAILURE,xhr:request},segment);var view=new DataView(response);return segment.key.bytes=new Uint32Array([view.getUint32(0),view.getUint32(4),view.getUint32(8),view.getUint32(12)]),finishProcessingFn(null,segment)}}(segment,finishProcessingFn),keyXhr=xhr(keyRequestOptions,keyRequestCallback);activeXhrs.push(keyXhr)}if(segment.map&&!segment.map.bytes){var initSegmentOptions=videojs$1.mergeOptions(xhrOptions,{uri:segment.map.resolvedUri,responseType:"arraybuffer",headers:segmentXhrHeaders(segment.map)}),initSegmentRequestCallback=function(segment,captionParser,finishProcessingFn){return function(error,request){var response=request.response,errorObj=handleErrors(error,request);return errorObj?finishProcessingFn(errorObj,segment):0===response.byteLength?finishProcessingFn({status:request.status,message:"Empty HLS segment content at URL: "+request.uri,code:REQUEST_ERRORS_FAILURE,xhr:request},segment):(segment.map.bytes=new Uint8Array(request.response),captionParser&&!captionParser.isInitialized()&&captionParser.init(),segment.map.timescales=probe.timescale(segment.map.bytes),segment.map.videoTrackIds=probe.videoTrackIds(segment.map.bytes),finishProcessingFn(null,segment))}}(segment,captionParser,finishProcessingFn),initSegmentXhr=xhr(initSegmentOptions,initSegmentRequestCallback);activeXhrs.push(initSegmentXhr)}var segmentRequestOptions=videojs$1.mergeOptions(xhrOptions,{uri:segment.resolvedUri,responseType:"arraybuffer",headers:segmentXhrHeaders(segment)}),segmentRequestCallback=function(segment,captionParser,finishProcessingFn){return function(error,request){var response=request.response,errorObj=handleErrors(error,request),parsed=void 0;return errorObj?finishProcessingFn(errorObj,segment):0===response.byteLength?finishProcessingFn({status:request.status,message:"Empty HLS segment content at URL: "+request.uri,code:REQUEST_ERRORS_FAILURE,xhr:request},segment):(segment.stats=function(request){return{bandwidth:request.bandwidth,bytesReceived:request.bytesReceived||0,roundTripTime:request.roundTripTime||0}}(request),segment.key?segment.encryptedBytes=new Uint8Array(request.response):segment.bytes=new Uint8Array(request.response),captionParser&&segment.map&&segment.map.bytes&&(captionParser.isInitialized()||captionParser.init(),(parsed=captionParser.parse(segment.bytes,segment.map.videoTrackIds,segment.map.timescales))&&parsed.captions&&(segment.captionStreams=parsed.captionStreams,segment.fmp4Captions=parsed.captions)),finishProcessingFn(null,segment))}}(segment,captionParser,finishProcessingFn),segmentXhr=xhr(segmentRequestOptions,segmentRequestCallback);return segmentXhr.addEventListener("progress",handleProgress(segment,progressFn)),activeXhrs.push(segmentXhr),function(){return abortAll(activeXhrs)}},safeGetComputedStyle=function(el,property){var result;return el&&(result=window$3.getComputedStyle(el))?result[property]:""},stableSort=function(array,sortFn){var newArray=array.slice();array.sort((function(left,right){var cmp=sortFn(left,right);return 0===cmp?newArray.indexOf(left)-newArray.indexOf(right):cmp}))},comparePlaylistBandwidth=function(left,right){var leftBandwidth=void 0,rightBandwidth=void 0;return left.attributes.BANDWIDTH&&(leftBandwidth=left.attributes.BANDWIDTH),leftBandwidth=leftBandwidth||window$3.Number.MAX_VALUE,right.attributes.BANDWIDTH&&(rightBandwidth=right.attributes.BANDWIDTH),leftBandwidth-(rightBandwidth=rightBandwidth||window$3.Number.MAX_VALUE)},detectEndOfStream=function(playlist,mediaSource,segmentIndex){if(!playlist||!mediaSource)return!1;var appendedLastSegment=segmentIndex===playlist.segments.length;return playlist.endList&&"open"===mediaSource.readyState&&appendedLastSegment},finite=function(num){return"number"==typeof num&&isFinite(num)},SegmentLoader=function(_videojs$EventTarget){function SegmentLoader(settings){classCallCheck$1(this,SegmentLoader);var _this=possibleConstructorReturn$1(this,(SegmentLoader.__proto__||Object.getPrototypeOf(SegmentLoader)).call(this));if(!settings)throw new TypeError("Initialization settings are required");if("function"!=typeof settings.currentTime)throw new TypeError("No currentTime getter specified");if(!settings.mediaSource)throw new TypeError("No MediaSource specified");return _this.bandwidth=settings.bandwidth,_this.throughput={rate:0,count:0},_this.roundTrip=NaN,_this.resetStats_(),_this.mediaIndex=null,_this.hasPlayed_=settings.hasPlayed,_this.currentTime_=settings.currentTime,_this.seekable_=settings.seekable,_this.seeking_=settings.seeking,_this.duration_=settings.duration,_this.mediaSource_=settings.mediaSource,_this.hls_=settings.hls,_this.loaderType_=settings.loaderType,_this.startingMedia_=void 0,_this.segmentMetadataTrack_=settings.segmentMetadataTrack,_this.goalBufferLength_=settings.goalBufferLength,_this.sourceType_=settings.sourceType,_this.inbandTextTracks_=settings.inbandTextTracks,_this.state_="INIT",_this.checkBufferTimeout_=null,_this.error_=void 0,_this.currentTimeline_=-1,_this.pendingSegment_=null,_this.mimeType_=null,_this.sourceUpdater_=null,_this.xhrOptions_=null,_this.activeInitSegmentId_=null,_this.initSegments_={},_this.cacheEncryptionKeys_=settings.cacheEncryptionKeys,_this.keyCache_={},"main"===_this.loaderType_?_this.captionParser_=new captionParser:_this.captionParser_=null,_this.decrypter_=settings.decrypter,_this.syncController_=settings.syncController,_this.syncPoint_={segmentIndex:0,time:0},_this.triggerSyncInfoUpdate_=function(){return _this.trigger("syncinfoupdate")},_this.syncController_.on("syncinfoupdate",_this.triggerSyncInfoUpdate_),_this.mediaSource_.addEventListener("sourceopen",(function(){return _this.ended_=!1})),_this.fetchAtBuffer_=!1,_this.logger_=logger("SegmentLoader["+_this.loaderType_+"]"),Object.defineProperty(_this,"state",{get:function(){return this.state_},set:function(newState){newState!==this.state_&&(this.logger_(this.state_+" -> "+newState),this.state_=newState)}}),_this}return inherits$2(SegmentLoader,_videojs$EventTarget),createClass$1(SegmentLoader,[{key:"resetStats_",value:function(){this.mediaBytesTransferred=0,this.mediaRequests=0,this.mediaRequestsAborted=0,this.mediaRequestsTimedout=0,this.mediaRequestsErrored=0,this.mediaTransferDuration=0,this.mediaSecondsLoaded=0}},{key:"dispose",value:function(){this.trigger("dispose"),this.state="DISPOSED",this.pause(),this.abort_(),this.sourceUpdater_&&this.sourceUpdater_.dispose(),this.resetStats_(),this.captionParser_&&this.captionParser_.reset(),this.checkBufferTimeout_&&window$3.clearTimeout(this.checkBufferTimeout_),this.syncController_&&this.triggerSyncInfoUpdate_&&this.syncController_.off("syncinfoupdate",this.triggerSyncInfoUpdate_),this.off()}},{key:"abort",value:function(){"WAITING"===this.state?(this.abort_(),this.state="READY",this.paused()||this.monitorBuffer_()):this.pendingSegment_&&(this.pendingSegment_=null)}},{key:"abort_",value:function(){this.pendingSegment_&&this.pendingSegment_.abortRequests(),this.pendingSegment_=null}},{key:"error",value:function(_error){return void 0!==_error&&(this.error_=_error),this.pendingSegment_=null,this.error_}},{key:"endOfStream",value:function(){this.ended_=!0,this.pause(),this.trigger("ended")}},{key:"buffered_",value:function(){return this.sourceUpdater_?this.sourceUpdater_.buffered():videojs$1.createTimeRanges()}},{key:"initSegment",value:function(map){var set$$1=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(!map)return null;var id=initSegmentId(map),storedMap=this.initSegments_[id];return set$$1&&!storedMap&&map.bytes&&(this.initSegments_[id]=storedMap={resolvedUri:map.resolvedUri,byterange:map.byterange,bytes:map.bytes,timescales:map.timescales,videoTrackIds:map.videoTrackIds}),storedMap||map}},{key:"segmentKey",value:function(key){var set$$1=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(!key)return null;var id=segmentKeyId(key),storedKey=this.keyCache_[id];this.cacheEncryptionKeys_&&set$$1&&!storedKey&&key.bytes&&(this.keyCache_[id]=storedKey={resolvedUri:key.resolvedUri,bytes:key.bytes});var result={resolvedUri:(storedKey||key).resolvedUri};return storedKey&&(result.bytes=storedKey.bytes),result}},{key:"couldBeginLoading_",value:function(){return this.playlist_&&(this.sourceUpdater_||this.mimeType_&&"INIT"===this.state)&&!this.paused()}},{key:"load",value:function(){if(this.monitorBuffer_(),this.playlist_){if(this.syncController_.setDateTimeMapping(this.playlist_),"INIT"===this.state&&this.couldBeginLoading_())return this.init_();!this.couldBeginLoading_()||"READY"!==this.state&&"INIT"!==this.state||(this.state="READY")}}},{key:"init_",value:function(){return this.state="READY",this.sourceUpdater_=new SourceUpdater(this.mediaSource_,this.mimeType_,this.loaderType_,this.sourceBufferEmitter_),this.resetEverything(),this.monitorBuffer_()}},{key:"playlist",value:function(newPlaylist){var options=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};if(newPlaylist){var oldPlaylist=this.playlist_,segmentInfo=this.pendingSegment_;this.playlist_=newPlaylist,this.xhrOptions_=options,"INIT"===this.state&&(newPlaylist.syncInfo={mediaSequence:newPlaylist.mediaSequence,time:0});var oldId=null;if(oldPlaylist&&(oldPlaylist.id?oldId=oldPlaylist.id:oldPlaylist.uri&&(oldId=oldPlaylist.uri)),this.logger_("playlist update ["+oldId+" => "+(newPlaylist.id||newPlaylist.uri)+"]"),this.trigger("syncinfoupdate"),"INIT"===this.state&&this.couldBeginLoading_())return this.init_();if(oldPlaylist&&oldPlaylist.uri===newPlaylist.uri){var mediaSequenceDiff=newPlaylist.mediaSequence-oldPlaylist.mediaSequence;this.logger_("live window shift ["+mediaSequenceDiff+"]"),null!==this.mediaIndex&&(this.mediaIndex-=mediaSequenceDiff),segmentInfo&&(segmentInfo.mediaIndex-=mediaSequenceDiff,segmentInfo.mediaIndex>=0&&(segmentInfo.segment=newPlaylist.segments[segmentInfo.mediaIndex])),this.syncController_.saveExpiredSegmentInfo(oldPlaylist,newPlaylist)}else null!==this.mediaIndex&&this.resyncLoader()}}},{key:"pause",value:function(){this.checkBufferTimeout_&&(window$3.clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=null)}},{key:"paused",value:function(){return null===this.checkBufferTimeout_}},{key:"mimeType",value:function(_mimeType,sourceBufferEmitter){this.mimeType_||(this.mimeType_=_mimeType,this.sourceBufferEmitter_=sourceBufferEmitter,"INIT"===this.state&&this.couldBeginLoading_()&&this.init_())}},{key:"resetEverything",value:function(done){this.ended_=!1,this.resetLoader(),this.remove(0,1/0,done),this.captionParser_&&this.captionParser_.clearAllCaptions(),this.trigger("reseteverything")}},{key:"resetLoader",value:function(){this.fetchAtBuffer_=!1,this.resyncLoader()}},{key:"resyncLoader",value:function(){this.mediaIndex=null,this.syncPoint_=null,this.abort()}},{key:"remove",value:function(start,end,done){if(end===1/0&&(end=this.duration_()),this.sourceUpdater_&&this.sourceUpdater_.remove(start,end,done),removeCuesFromTrack(start,end,this.segmentMetadataTrack_),this.inbandTextTracks_)for(var id in this.inbandTextTracks_)removeCuesFromTrack(start,end,this.inbandTextTracks_[id])}},{key:"monitorBuffer_",value:function(){this.checkBufferTimeout_&&window$3.clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=window$3.setTimeout(this.monitorBufferTick_.bind(this),1)}},{key:"monitorBufferTick_",value:function(){"READY"===this.state&&this.fillBuffer_(),this.checkBufferTimeout_&&window$3.clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=window$3.setTimeout(this.monitorBufferTick_.bind(this),500)}},{key:"fillBuffer_",value:function(){if(!this.sourceUpdater_.updating()){this.syncPoint_||(this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_()));var segmentInfo=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);segmentInfo&&(this.isEndOfStream_(segmentInfo.mediaIndex)?this.endOfStream():(segmentInfo.mediaIndex!==this.playlist_.segments.length-1||"ended"!==this.mediaSource_.readyState||this.seeking_())&&(segmentInfo.timeline!==this.currentTimeline_&&(this.syncController_.reset(),segmentInfo.timestampOffset=segmentInfo.startOfSegment,this.captionParser_&&this.captionParser_.clearAllCaptions()),this.loadSegment_(segmentInfo)))}}},{key:"isEndOfStream_",value:function(mediaIndex){var playlist=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.playlist_;return detectEndOfStream(playlist,this.mediaSource_,mediaIndex)&&!this.sourceUpdater_.updating()}},{key:"checkBuffer_",value:function(buffered,playlist,mediaIndex,hasPlayed,currentTime,syncPoint){var lastBufferedEnd=0,startOfSegment=void 0;buffered.length&&(lastBufferedEnd=buffered.end(buffered.length-1));var bufferedTime=Math.max(0,lastBufferedEnd-currentTime);if(!playlist.segments.length)return null;if(bufferedTime>=this.goalBufferLength_())return null;if(!hasPlayed&&bufferedTime>=1)return null;if(null===syncPoint)return mediaIndex=this.getSyncSegmentCandidate_(playlist),this.generateSegmentInfo_(playlist,mediaIndex,null,!0);if(null!==mediaIndex)return playlist.segments[mediaIndex],startOfSegment=lastBufferedEnd,this.generateSegmentInfo_(playlist,mediaIndex+1,startOfSegment,!1);if(this.fetchAtBuffer_){var mediaSourceInfo=Playlist.getMediaInfoForTime(playlist,lastBufferedEnd,syncPoint.segmentIndex,syncPoint.time);mediaIndex=mediaSourceInfo.mediaIndex,startOfSegment=mediaSourceInfo.startTime}else{var _mediaSourceInfo=Playlist.getMediaInfoForTime(playlist,currentTime,syncPoint.segmentIndex,syncPoint.time);mediaIndex=_mediaSourceInfo.mediaIndex,startOfSegment=_mediaSourceInfo.startTime}return this.generateSegmentInfo_(playlist,mediaIndex,startOfSegment,!1)}},{key:"getSyncSegmentCandidate_",value:function(playlist){var _this2=this;if(-1===this.currentTimeline_)return 0;var segmentIndexArray=playlist.segments.map((function(s,i){return{timeline:s.timeline,segmentIndex:i}})).filter((function(s){return s.timeline===_this2.currentTimeline_}));return segmentIndexArray.length?segmentIndexArray[Math.min(segmentIndexArray.length-1,1)].segmentIndex:Math.max(playlist.segments.length-1,0)}},{key:"generateSegmentInfo_",value:function(playlist,mediaIndex,startOfSegment,isSyncRequest){if(mediaIndex<0||mediaIndex>=playlist.segments.length)return null;var segment=playlist.segments[mediaIndex];return{requestId:"segment-loader-"+Math.random(),uri:segment.resolvedUri,mediaIndex:mediaIndex,isSyncRequest:isSyncRequest,startOfSegment:startOfSegment,playlist:playlist,bytes:null,encryptedBytes:null,timestampOffset:null,timeline:segment.timeline,duration:segment.duration,segment:segment}}},{key:"abortRequestEarly_",value:function(stats){if(this.hls_.tech_.paused()||!this.xhrOptions_.timeout||!this.playlist_.attributes.BANDWIDTH)return!1;if(Date.now()-(stats.firstBytesReceivedAt||Date.now())<1e3)return!1;var currentTime=this.currentTime_(),measuredBandwidth=stats.bandwidth,segmentDuration=this.pendingSegment_.duration,requestTimeRemaining=Playlist.estimateSegmentRequestTime(segmentDuration,measuredBandwidth,this.playlist_,stats.bytesReceived),timeUntilRebuffer$$1=function(buffered,currentTime){var playbackRate=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;return((buffered.length?buffered.end(buffered.length-1):0)-currentTime)/playbackRate}(this.buffered_(),currentTime,this.hls_.tech_.playbackRate())-1;if(requestTimeRemaining<=timeUntilRebuffer$$1)return!1;var switchCandidate=function(settings){var master=settings.master,currentTime=settings.currentTime,bandwidth=settings.bandwidth,duration$$1=settings.duration,segmentDuration=settings.segmentDuration,timeUntilRebuffer=settings.timeUntilRebuffer,currentTimeline=settings.currentTimeline,syncController=settings.syncController,compatiblePlaylists=master.playlists.filter((function(playlist){return!Playlist.isIncompatible(playlist)})),enabledPlaylists=compatiblePlaylists.filter(Playlist.isEnabled);enabledPlaylists.length||(enabledPlaylists=compatiblePlaylists.filter((function(playlist){return!Playlist.isDisabled(playlist)})));var rebufferingEstimates=enabledPlaylists.filter(Playlist.hasAttribute.bind(null,"BANDWIDTH")).map((function(playlist){var numRequests=syncController.getSyncPoint(playlist,duration$$1,currentTimeline,currentTime)?1:2;return{playlist:playlist,rebufferingImpact:Playlist.estimateSegmentRequestTime(segmentDuration,bandwidth,playlist)*numRequests-timeUntilRebuffer}})),noRebufferingPlaylists=rebufferingEstimates.filter((function(estimate){return estimate.rebufferingImpact<=0}));return stableSort(noRebufferingPlaylists,(function(a,b){return comparePlaylistBandwidth(b.playlist,a.playlist)})),noRebufferingPlaylists.length?noRebufferingPlaylists[0]:(stableSort(rebufferingEstimates,(function(a,b){return a.rebufferingImpact-b.rebufferingImpact})),rebufferingEstimates[0]||null)}({master:this.hls_.playlists.master,currentTime:currentTime,bandwidth:measuredBandwidth,duration:this.duration_(),segmentDuration:segmentDuration,timeUntilRebuffer:timeUntilRebuffer$$1,currentTimeline:this.currentTimeline_,syncController:this.syncController_});if(switchCandidate){var timeSavedBySwitching=requestTimeRemaining-timeUntilRebuffer$$1-switchCandidate.rebufferingImpact,minimumTimeSaving=.5;return timeUntilRebuffer$$1<=.03333333333333333&&(minimumTimeSaving=1),!(!switchCandidate.playlist||switchCandidate.playlist.uri===this.playlist_.uri||timeSavedBySwitching<minimumTimeSaving)&&(this.bandwidth=switchCandidate.playlist.attributes.BANDWIDTH*Config.BANDWIDTH_VARIANCE+1,this.abort(),this.trigger("earlyabort"),!0)}}},{key:"handleProgress_",value:function(event,simpleSegment){this.pendingSegment_&&simpleSegment.requestId===this.pendingSegment_.requestId&&!this.abortRequestEarly_(simpleSegment.stats)&&this.trigger("progress")}},{key:"loadSegment_",value:function(segmentInfo){this.state="WAITING",this.pendingSegment_=segmentInfo,this.trimBackBuffer_(segmentInfo),segmentInfo.abortRequests=mediaSegmentRequest(this.hls_.xhr,this.xhrOptions_,this.decrypter_,this.captionParser_,this.createSimplifiedSegmentObj_(segmentInfo),this.handleProgress_.bind(this),this.segmentRequestFinished_.bind(this))}},{key:"trimBackBuffer_",value:function(segmentInfo){var removeToTime=function(seekable$$1,currentTime,targetDuration){var trimTime=currentTime-30;seekable$$1.length&&(trimTime=Math.max(trimTime,seekable$$1.start(0)));var maxTrimTime=currentTime-targetDuration;return Math.min(maxTrimTime,trimTime)}(this.seekable_(),this.currentTime_(),this.playlist_.targetDuration||10);removeToTime>0&&this.remove(0,removeToTime)}},{key:"createSimplifiedSegmentObj_",value:function(segmentInfo){var segment=segmentInfo.segment,simpleSegment={resolvedUri:segment.resolvedUri,byterange:segment.byterange,requestId:segmentInfo.requestId};if(segment.key){var iv=segment.key.iv||new Uint32Array([0,0,0,segmentInfo.mediaIndex+segmentInfo.playlist.mediaSequence]);simpleSegment.key=this.segmentKey(segment.key),simpleSegment.key.iv=iv}return segment.map&&(simpleSegment.map=this.initSegment(segment.map)),simpleSegment}},{key:"segmentRequestFinished_",value:function(error,simpleSegment){if(this.mediaRequests+=1,simpleSegment.stats&&(this.mediaBytesTransferred+=simpleSegment.stats.bytesReceived,this.mediaTransferDuration+=simpleSegment.stats.roundTripTime),this.pendingSegment_){if(simpleSegment.requestId===this.pendingSegment_.requestId){if(error)return this.pendingSegment_=null,this.state="READY",error.code===REQUEST_ERRORS_ABORTED?void(this.mediaRequestsAborted+=1):(this.pause(),error.code===REQUEST_ERRORS_TIMEOUT?(this.mediaRequestsTimedout+=1,this.bandwidth=1,this.roundTrip=NaN,void this.trigger("bandwidthupdate")):(this.mediaRequestsErrored+=1,this.error(error),void this.trigger("error")));this.bandwidth=simpleSegment.stats.bandwidth,this.roundTrip=simpleSegment.stats.roundTripTime,simpleSegment.map&&(simpleSegment.map=this.initSegment(simpleSegment.map,!0)),simpleSegment.key&&this.segmentKey(simpleSegment.key,!0),this.processSegmentResponse_(simpleSegment)}}else this.mediaRequestsAborted+=1}},{key:"processSegmentResponse_",value:function(simpleSegment){var segmentInfo=this.pendingSegment_;segmentInfo.bytes=simpleSegment.bytes,simpleSegment.map&&(segmentInfo.segment.map.bytes=simpleSegment.map.bytes),segmentInfo.endOfAllRequests=simpleSegment.endOfAllRequests,simpleSegment.fmp4Captions&&(function(inbandTextTracks,tech,captionStreams){for(var trackId in captionStreams)if(!inbandTextTracks[trackId]){tech.trigger({type:"usage",name:"hls-608"});var track=tech.textTracks().getTrackById(trackId);inbandTextTracks[trackId]=track||tech.addRemoteTextTrack({kind:"captions",id:trackId,label:trackId},!1).track}}(this.inbandTextTracks_,this.hls_.tech_,simpleSegment.captionStreams),function(_ref){var inbandTextTracks=_ref.inbandTextTracks,captionArray=_ref.captionArray,timestampOffset=_ref.timestampOffset;if(captionArray){var Cue=window.WebKitDataCue||window.VTTCue;captionArray.forEach((function(caption){var track=caption.stream,startTime=caption.startTime,endTime=caption.endTime;inbandTextTracks[track]&&(startTime+=timestampOffset,endTime+=timestampOffset,inbandTextTracks[track].addCue(new Cue(startTime,endTime,caption.text)))}))}}({inbandTextTracks:this.inbandTextTracks_,captionArray:simpleSegment.fmp4Captions,timestampOffset:0}),this.captionParser_&&this.captionParser_.clearParsedCaptions()),this.handleSegment_()}},{key:"handleSegment_",value:function(){var _this3=this;if(this.pendingSegment_){var segmentInfo=this.pendingSegment_,segment=segmentInfo.segment,timingInfo=this.syncController_.probeSegmentInfo(segmentInfo);void 0===this.startingMedia_&&timingInfo&&(timingInfo.containsAudio||timingInfo.containsVideo)&&(this.startingMedia_={containsAudio:timingInfo.containsAudio,containsVideo:timingInfo.containsVideo});var loaderType,startingMedia,newSegmentMedia,illegalMediaSwitchError=(loaderType=this.loaderType_,startingMedia=this.startingMedia_,newSegmentMedia=timingInfo,"main"===loaderType&&startingMedia&&newSegmentMedia?newSegmentMedia.containsAudio||newSegmentMedia.containsVideo?startingMedia.containsVideo&&!newSegmentMedia.containsVideo?"Only audio found in segment when we expected video. We can't switch to audio only from a stream that had video. To get rid of this message, please add codec information to the manifest.":!startingMedia.containsVideo&&newSegmentMedia.containsVideo?"Video found in segment when we expected only audio. We can't switch to a stream with video from an audio only stream. To get rid of this message, please add codec information to the manifest.":null:"Neither audio nor video found in segment.":null);if(illegalMediaSwitchError)return this.error({message:illegalMediaSwitchError,blacklistDuration:1/0}),void this.trigger("error");if(segmentInfo.isSyncRequest)return this.trigger("syncinfoupdate"),this.pendingSegment_=null,void(this.state="READY");if(null!==segmentInfo.timestampOffset&&segmentInfo.timestampOffset!==this.sourceUpdater_.timestampOffset()){if(timingInfo&&timingInfo.segmentTimestampInfo){var ptsStartTime=timingInfo.segmentTimestampInfo[0].ptsTime,dtsStartTime=timingInfo.segmentTimestampInfo[0].dtsTime;segmentInfo.timestampOffset-=ptsStartTime-dtsStartTime}this.sourceUpdater_.timestampOffset(segmentInfo.timestampOffset),this.trigger("timestampoffset")}var timelineMapping=this.syncController_.mappingForTimeline(segmentInfo.timeline);if(null!==timelineMapping&&this.trigger({type:"segmenttimemapping",mapping:timelineMapping}),this.state="APPENDING",segment.map){var initId=initSegmentId(segment.map);if(!this.activeInitSegmentId_||this.activeInitSegmentId_!==initId){var initSegment=this.initSegment(segment.map);this.sourceUpdater_.appendBuffer({bytes:initSegment.bytes},(function(){_this3.activeInitSegmentId_=initId}))}}segmentInfo.byteLength=segmentInfo.bytes.byteLength,"number"==typeof segment.start&&"number"==typeof segment.end?this.mediaSecondsLoaded+=segment.end-segment.start:this.mediaSecondsLoaded+=segment.duration,this.logger_(function(segmentInfo){var _segmentInfo$segment=segmentInfo.segment,start=_segmentInfo$segment.start,end=_segmentInfo$segment.end,_segmentInfo$playlist=segmentInfo.playlist,seq=_segmentInfo$playlist.mediaSequence,id=_segmentInfo$playlist.id,_segmentInfo$playlist2=_segmentInfo$playlist.segments,segments=void 0===_segmentInfo$playlist2?[]:_segmentInfo$playlist2,index=segmentInfo.mediaIndex,timeline=segmentInfo.timeline;return["appending ["+index+"] of ["+seq+", "+(seq+segments.length)+"] from playlist ["+id+"]","["+start+" => "+end+"] in timeline ["+timeline+"]"].join(" ")}(segmentInfo)),this.sourceUpdater_.appendBuffer({bytes:segmentInfo.bytes,videoSegmentTimingInfoCallback:this.handleVideoSegmentTimingInfo_.bind(this,segmentInfo.requestId)},this.handleUpdateEnd_.bind(this))}else this.state="READY"}},{key:"handleVideoSegmentTimingInfo_",value:function(requestId,event){if(this.pendingSegment_&&requestId===this.pendingSegment_.requestId){var segment=this.pendingSegment_.segment;segment.videoTimingInfo||(segment.videoTimingInfo={}),segment.videoTimingInfo.transmuxerPrependedSeconds=event.videoSegmentTimingInfo.prependedContentDuration||0,segment.videoTimingInfo.transmuxedPresentationStart=event.videoSegmentTimingInfo.start.presentation,segment.videoTimingInfo.transmuxedPresentationEnd=event.videoSegmentTimingInfo.end.presentation,segment.videoTimingInfo.baseMediaDecodeTime=event.videoSegmentTimingInfo.baseMediaDecodeTime}}},{key:"handleUpdateEnd_",value:function(){if(!this.pendingSegment_)return this.state="READY",void(this.paused()||this.monitorBuffer_());var segmentInfo=this.pendingSegment_,segment=segmentInfo.segment,isWalkingForward=null!==this.mediaIndex;this.pendingSegment_=null,this.recordThroughput_(segmentInfo),this.addSegmentMetadataCue_(segmentInfo),this.state="READY",this.mediaIndex=segmentInfo.mediaIndex,this.fetchAtBuffer_=!0,this.currentTimeline_=segmentInfo.timeline,this.trigger("syncinfoupdate"),segment.end&&this.currentTime_()-segment.end>3*segmentInfo.playlist.targetDuration?this.resetEverything():(isWalkingForward&&this.trigger("bandwidthupdate"),this.trigger("progress"),this.isEndOfStream_(segmentInfo.mediaIndex+1,segmentInfo.playlist)&&this.endOfStream(),this.paused()||this.monitorBuffer_())}},{key:"recordThroughput_",value:function(segmentInfo){var rate=this.throughput.rate,segmentProcessingTime=Date.now()-segmentInfo.endOfAllRequests+1,segmentProcessingThroughput=Math.floor(segmentInfo.byteLength/segmentProcessingTime*8*1e3);this.throughput.rate+=(segmentProcessingThroughput-rate)/++this.throughput.count}},{key:"addSegmentMetadataCue_",value:function(segmentInfo){if(this.segmentMetadataTrack_){var segment=segmentInfo.segment,start=segment.start,end=segment.end;if(finite(start)&&finite(end)){removeCuesFromTrack(start,end,this.segmentMetadataTrack_);var Cue=window$3.WebKitDataCue||window$3.VTTCue,value={custom:segment.custom,dateTimeObject:segment.dateTimeObject,dateTimeString:segment.dateTimeString,bandwidth:segmentInfo.playlist.attributes.BANDWIDTH,resolution:segmentInfo.playlist.attributes.RESOLUTION,codecs:segmentInfo.playlist.attributes.CODECS,byteLength:segmentInfo.byteLength,uri:segmentInfo.uri,timeline:segmentInfo.timeline,playlist:segmentInfo.playlist.id,start:start,end:end},cue=new Cue(start,end,JSON.stringify(value));cue.value=value,this.segmentMetadataTrack_.addCue(cue)}}}}]),SegmentLoader}(videojs$1.EventTarget),uint8ToUtf8=function(uintArray){return decodeURIComponent(escape(String.fromCharCode.apply(null,uintArray)))},VTT_LINE_TERMINATORS=new Uint8Array("\n\n".split("").map((function(_char2){return _char2.charCodeAt(0)}))),VTTSegmentLoader=function(_SegmentLoader){function VTTSegmentLoader(settings){var options=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};classCallCheck$1(this,VTTSegmentLoader);var _this=possibleConstructorReturn$1(this,(VTTSegmentLoader.__proto__||Object.getPrototypeOf(VTTSegmentLoader)).call(this,settings,options));return _this.mediaSource_=null,_this.subtitlesTrack_=null,_this.featuresNativeTextTracks_=settings.featuresNativeTextTracks,_this}return inherits$2(VTTSegmentLoader,_SegmentLoader),createClass$1(VTTSegmentLoader,[{key:"buffered_",value:function(){if(!this.subtitlesTrack_||!this.subtitlesTrack_.cues.length)return videojs$1.createTimeRanges();var cues=this.subtitlesTrack_.cues,start=cues[0].startTime,end=cues[cues.length-1].startTime;return videojs$1.createTimeRanges([[start,end]])}},{key:"initSegment",value:function(map){var set$$1=arguments.length>1&&void 0!==arguments[1]&&arguments[1];if(!map)return null;var id=initSegmentId(map),storedMap=this.initSegments_[id];if(set$$1&&!storedMap&&map.bytes){var combinedByteLength=VTT_LINE_TERMINATORS.byteLength+map.bytes.byteLength,combinedSegment=new Uint8Array(combinedByteLength);combinedSegment.set(map.bytes),combinedSegment.set(VTT_LINE_TERMINATORS,map.bytes.byteLength),this.initSegments_[id]=storedMap={resolvedUri:map.resolvedUri,byterange:map.byterange,bytes:combinedSegment}}return storedMap||map}},{key:"couldBeginLoading_",value:function(){return this.playlist_&&this.subtitlesTrack_&&!this.paused()}},{key:"init_",value:function(){return this.state="READY",this.resetEverything(),this.monitorBuffer_()}},{key:"track",value:function(_track){return void 0===_track||(this.subtitlesTrack_=_track,"INIT"===this.state&&this.couldBeginLoading_()&&this.init_()),this.subtitlesTrack_}},{key:"remove",value:function(start,end){removeCuesFromTrack(start,end,this.subtitlesTrack_)}},{key:"fillBuffer_",value:function(){var _this2=this;this.syncPoint_||(this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_()));var segmentInfo=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);if(segmentInfo=this.skipEmptySegments_(segmentInfo)){if(null===this.syncController_.timestampOffsetForTimeline(segmentInfo.timeline))return this.syncController_.one("timestampoffset",(function(){_this2.state="READY",_this2.paused()||_this2.monitorBuffer_()})),void(this.state="WAITING_ON_TIMELINE");this.loadSegment_(segmentInfo)}}},{key:"skipEmptySegments_",value:function(segmentInfo){for(;segmentInfo&&segmentInfo.segment.empty;)segmentInfo=this.generateSegmentInfo_(segmentInfo.playlist,segmentInfo.mediaIndex+1,segmentInfo.startOfSegment+segmentInfo.duration,segmentInfo.isSyncRequest);return segmentInfo}},{key:"handleSegment_",value:function(){var _this3=this;if(this.pendingSegment_&&this.subtitlesTrack_){this.state="APPENDING";var segmentInfo=this.pendingSegment_,segment=segmentInfo.segment;if("function"!=typeof window$3.WebVTT&&this.subtitlesTrack_&&this.subtitlesTrack_.tech_){var loadHandler=void 0,errorHandler=function(){_this3.subtitlesTrack_.tech_.off("vttjsloaded",loadHandler),_this3.error({message:"Error loading vtt.js"}),_this3.state="READY",_this3.pause(),_this3.trigger("error")};return loadHandler=function(){_this3.subtitlesTrack_.tech_.off("vttjserror",errorHandler),_this3.handleSegment_()},this.state="WAITING_ON_VTTJS",this.subtitlesTrack_.tech_.one("vttjsloaded",loadHandler),void this.subtitlesTrack_.tech_.one("vttjserror",errorHandler)}segment.requested=!0;try{this.parseVTTCues_(segmentInfo)}catch(e){return this.error({message:e.message}),this.state="READY",this.pause(),this.trigger("error")}if(this.updateTimeMapping_(segmentInfo,this.syncController_.timelines[segmentInfo.timeline],this.playlist_),segmentInfo.isSyncRequest)return this.trigger("syncinfoupdate"),this.pendingSegment_=null,void(this.state="READY");segmentInfo.byteLength=segmentInfo.bytes.byteLength,this.mediaSecondsLoaded+=segment.duration,segmentInfo.cues.length&&this.remove(segmentInfo.cues[0].endTime,segmentInfo.cues[segmentInfo.cues.length-1].endTime),segmentInfo.cues.forEach((function(cue){_this3.subtitlesTrack_.addCue(_this3.featuresNativeTextTracks_?new window$3.VTTCue(cue.startTime,cue.endTime,cue.text):cue)})),this.handleUpdateEnd_()}else this.state="READY"}},{key:"parseVTTCues_",value:function(segmentInfo){var decoder=void 0,decodeBytesToString=!1;"function"==typeof window$3.TextDecoder?decoder=new window$3.TextDecoder("utf8"):(decoder=window$3.WebVTT.StringDecoder(),decodeBytesToString=!0);var parser=new window$3.WebVTT.Parser(window$3,window$3.vttjs,decoder);if(segmentInfo.cues=[],segmentInfo.timestampmap={MPEGTS:0,LOCAL:0},parser.oncue=segmentInfo.cues.push.bind(segmentInfo.cues),parser.ontimestampmap=function(map){return segmentInfo.timestampmap=map},parser.onparsingerror=function(error){videojs$1.log.warn("Error encountered when parsing cues: "+error.message)},segmentInfo.segment.map){var mapData=segmentInfo.segment.map.bytes;decodeBytesToString&&(mapData=uint8ToUtf8(mapData)),parser.parse(mapData)}var segmentData=segmentInfo.bytes;decodeBytesToString&&(segmentData=uint8ToUtf8(segmentData)),parser.parse(segmentData),parser.flush()}},{key:"updateTimeMapping_",value:function(segmentInfo,mappingObj,playlist){var segment=segmentInfo.segment;if(mappingObj)if(segmentInfo.cues.length){var timestampmap=segmentInfo.timestampmap,diff=timestampmap.MPEGTS/9e4-timestampmap.LOCAL+mappingObj.mapping;if(segmentInfo.cues.forEach((function(cue){cue.startTime+=diff,cue.endTime+=diff})),!playlist.syncInfo){var firstStart=segmentInfo.cues[0].startTime,lastStart=segmentInfo.cues[segmentInfo.cues.length-1].startTime;playlist.syncInfo={mediaSequence:playlist.mediaSequence+segmentInfo.mediaIndex,time:Math.min(firstStart,lastStart-segment.duration)}}}else segment.empty=!0}}]),VTTSegmentLoader}(SegmentLoader),findAdCue=function(track,mediaTime){for(var cues=track.cues,i=0;i<cues.length;i++){var cue=cues[i];if(mediaTime>=cue.adStartTime&&mediaTime<=cue.adEndTime)return cue}return null},tsprobe=tsInspector_inspect,syncPointStrategies=[{name:"VOD",run:function(syncController,playlist,duration$$1,currentTimeline,currentTime){return duration$$1!==1/0?{time:0,segmentIndex:0}:null}},{name:"ProgramDateTime",run:function(syncController,playlist,duration$$1,currentTimeline,currentTime){if(!syncController.datetimeToDisplayTime)return null;var segments=playlist.segments||[],syncPoint=null,lastDistance=null;currentTime=currentTime||0;for(var i=0;i<segments.length;i++){var segment=segments[i];if(segment.dateTimeObject){var segmentStart=segment.dateTimeObject.getTime()/1e3+syncController.datetimeToDisplayTime,distance=Math.abs(currentTime-segmentStart);if(null!==lastDistance&&(0===distance||lastDistance<distance))break;lastDistance=distance,syncPoint={time:segmentStart,segmentIndex:i}}}return syncPoint}},{name:"Segment",run:function(syncController,playlist,duration$$1,currentTimeline,currentTime){var segments=playlist.segments||[],syncPoint=null,lastDistance=null;currentTime=currentTime||0;for(var i=0;i<segments.length;i++){var segment=segments[i];if(segment.timeline===currentTimeline&&void 0!==segment.start){var distance=Math.abs(currentTime-segment.start);if(null!==lastDistance&&lastDistance<distance)break;(!syncPoint||null===lastDistance||lastDistance>=distance)&&(lastDistance=distance,syncPoint={time:segment.start,segmentIndex:i})}}return syncPoint}},{name:"Discontinuity",run:function(syncController,playlist,duration$$1,currentTimeline,currentTime){var syncPoint=null;if(currentTime=currentTime||0,playlist.discontinuityStarts&&playlist.discontinuityStarts.length)for(var lastDistance=null,i=0;i<playlist.discontinuityStarts.length;i++){var segmentIndex=playlist.discontinuityStarts[i],discontinuity=playlist.discontinuitySequence+i+1,discontinuitySync=syncController.discontinuities[discontinuity];if(discontinuitySync){var distance=Math.abs(currentTime-discontinuitySync.time);if(null!==lastDistance&&lastDistance<distance)break;(!syncPoint||null===lastDistance||lastDistance>=distance)&&(lastDistance=distance,syncPoint={time:discontinuitySync.time,segmentIndex:segmentIndex})}}return syncPoint}},{name:"Playlist",run:function(syncController,playlist,duration$$1,currentTimeline,currentTime){return playlist.syncInfo?{time:playlist.syncInfo.time,segmentIndex:playlist.syncInfo.mediaSequence-playlist.mediaSequence}:null}}],SyncController=function(_videojs$EventTarget){function SyncController(){classCallCheck$1(this,SyncController);var _this=possibleConstructorReturn$1(this,(SyncController.__proto__||Object.getPrototypeOf(SyncController)).call(this));return _this.inspectCache_=void 0,_this.timelines=[],_this.discontinuities=[],_this.datetimeToDisplayTime=null,_this.logger_=logger("SyncController"),_this}return inherits$2(SyncController,_videojs$EventTarget),createClass$1(SyncController,[{key:"getSyncPoint",value:function(playlist,duration$$1,currentTimeline,currentTime){var syncPoints=this.runStrategies_(playlist,duration$$1,currentTimeline,currentTime);return syncPoints.length?this.selectSyncPoint_(syncPoints,{key:"time",value:currentTime}):null}},{key:"getExpiredTime",value:function(playlist,duration$$1){if(!playlist||!playlist.segments)return null;var syncPoints=this.runStrategies_(playlist,duration$$1,playlist.discontinuitySequence,0);if(!syncPoints.length)return null;var syncPoint=this.selectSyncPoint_(syncPoints,{key:"segmentIndex",value:0});return syncPoint.segmentIndex>0&&(syncPoint.time*=-1),Math.abs(syncPoint.time+sumDurations(playlist,syncPoint.segmentIndex,0))}},{key:"runStrategies_",value:function(playlist,duration$$1,currentTimeline,currentTime){for(var syncPoints=[],i=0;i<syncPointStrategies.length;i++){var strategy=syncPointStrategies[i],syncPoint=strategy.run(this,playlist,duration$$1,currentTimeline,currentTime);syncPoint&&(syncPoint.strategy=strategy.name,syncPoints.push({strategy:strategy.name,syncPoint:syncPoint}))}return syncPoints}},{key:"selectSyncPoint_",value:function(syncPoints,target){for(var bestSyncPoint=syncPoints[0].syncPoint,bestDistance=Math.abs(syncPoints[0].syncPoint[target.key]-target.value),bestStrategy=syncPoints[0].strategy,i=1;i<syncPoints.length;i++){var newDistance=Math.abs(syncPoints[i].syncPoint[target.key]-target.value);newDistance<bestDistance&&(bestDistance=newDistance,bestSyncPoint=syncPoints[i].syncPoint,bestStrategy=syncPoints[i].strategy)}return this.logger_("syncPoint for ["+target.key+": "+target.value+"] chosen with strategy ["+bestStrategy+"]: [time:"+bestSyncPoint.time+", segmentIndex:"+bestSyncPoint.segmentIndex+"]"),bestSyncPoint}},{key:"saveExpiredSegmentInfo",value:function(oldPlaylist,newPlaylist){for(var i=newPlaylist.mediaSequence-oldPlaylist.mediaSequence-1;i>=0;i--){var lastRemovedSegment=oldPlaylist.segments[i];if(lastRemovedSegment&&void 0!==lastRemovedSegment.start){newPlaylist.syncInfo={mediaSequence:oldPlaylist.mediaSequence+i,time:lastRemovedSegment.start},this.logger_("playlist refresh sync: [time:"+newPlaylist.syncInfo.time+", mediaSequence: "+newPlaylist.syncInfo.mediaSequence+"]"),this.trigger("syncinfoupdate");break}}}},{key:"setDateTimeMapping",value:function(playlist){if(!this.datetimeToDisplayTime&&playlist.segments&&playlist.segments.length&&playlist.segments[0].dateTimeObject){var playlistTimestamp=playlist.segments[0].dateTimeObject.getTime()/1e3;this.datetimeToDisplayTime=-playlistTimestamp}}},{key:"reset",value:function(){this.inspectCache_=void 0}},{key:"probeSegmentInfo",value:function(segmentInfo){var segment=segmentInfo.segment,playlist=segmentInfo.playlist,timingInfo=void 0;return(timingInfo=segment.map?this.probeMp4Segment_(segmentInfo):this.probeTsSegment_(segmentInfo))&&this.calculateSegmentTimeMapping_(segmentInfo,timingInfo)&&(this.saveDiscontinuitySyncInfo_(segmentInfo),playlist.syncInfo||(playlist.syncInfo={mediaSequence:playlist.mediaSequence+segmentInfo.mediaIndex,time:segment.start})),timingInfo}},{key:"probeMp4Segment_",value:function(segmentInfo){var segment=segmentInfo.segment,timescales=probe.timescale(segment.map.bytes),compositionStartTime=probe.compositionStartTime(timescales,segmentInfo.bytes);return null!==segmentInfo.timestampOffset&&(segmentInfo.timestampOffset-=compositionStartTime),{start:compositionStartTime,end:compositionStartTime+segment.duration}}},{key:"probeTsSegment_",value:function(segmentInfo){var timeInfo=tsprobe(segmentInfo.bytes,this.inspectCache_),segmentStartTime=void 0,segmentEndTime=void 0,segmentTimestampInfo=void 0;return timeInfo?(timeInfo.video&&2===timeInfo.video.length?(this.inspectCache_=timeInfo.video[1].dts,segmentStartTime=timeInfo.video[0].dtsTime,segmentEndTime=timeInfo.video[1].dtsTime,segmentTimestampInfo=timeInfo.video):timeInfo.audio&&2===timeInfo.audio.length&&(this.inspectCache_=timeInfo.audio[1].dts,segmentStartTime=timeInfo.audio[0].dtsTime,segmentEndTime=timeInfo.audio[1].dtsTime,segmentTimestampInfo=timeInfo.audio),{segmentTimestampInfo:segmentTimestampInfo,start:segmentStartTime,end:segmentEndTime,containsVideo:timeInfo.video&&2===timeInfo.video.length,containsAudio:timeInfo.audio&&2===timeInfo.audio.length}):null}},{key:"timestampOffsetForTimeline",value:function(timeline){return void 0===this.timelines[timeline]?null:this.timelines[timeline].time}},{key:"mappingForTimeline",value:function(timeline){return void 0===this.timelines[timeline]?null:this.timelines[timeline].mapping}},{key:"calculateSegmentTimeMapping_",value:function(segmentInfo,timingInfo){var segment=segmentInfo.segment,mappingObj=this.timelines[segmentInfo.timeline];if(null!==segmentInfo.timestampOffset)mappingObj={time:segmentInfo.startOfSegment,mapping:segmentInfo.startOfSegment-timingInfo.start},this.timelines[segmentInfo.timeline]=mappingObj,this.trigger("timestampoffset"),this.logger_("time mapping for timeline "+segmentInfo.timeline+": [time: "+mappingObj.time+"] [mapping: "+mappingObj.mapping+"]"),segment.start=segmentInfo.startOfSegment,segment.end=timingInfo.end+mappingObj.mapping;else{if(!mappingObj)return!1;segment.start=timingInfo.start+mappingObj.mapping,segment.end=timingInfo.end+mappingObj.mapping}return!0}},{key:"saveDiscontinuitySyncInfo_",value:function(segmentInfo){var playlist=segmentInfo.playlist,segment=segmentInfo.segment;if(segment.discontinuity)this.discontinuities[segment.timeline]={time:segment.start,accuracy:0};else if(playlist.discontinuityStarts&&playlist.discontinuityStarts.length)for(var i=0;i<playlist.discontinuityStarts.length;i++){var segmentIndex=playlist.discontinuityStarts[i],discontinuity=playlist.discontinuitySequence+i+1,mediaIndexDiff=segmentIndex-segmentInfo.mediaIndex,accuracy=Math.abs(mediaIndexDiff);if(!this.discontinuities[discontinuity]||this.discontinuities[discontinuity].accuracy>accuracy){var time=void 0;time=mediaIndexDiff<0?segment.start-sumDurations(playlist,segmentInfo.mediaIndex,segmentIndex):segment.end+sumDurations(playlist,segmentInfo.mediaIndex+1,segmentIndex),this.discontinuities[discontinuity]={time:time,accuracy:accuracy}}}}},{key:"dispose",value:function(){this.trigger("dispose"),this.off()}}]),SyncController}(videojs$1.EventTarget),Decrypter$1=new shimWorker("./decrypter-worker.worker.js",(function(window,document$$1){var self=this;!function(){var classCallCheck=function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")},createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){return protoProps&&defineProperties(Constructor.prototype,protoProps),staticProps&&defineProperties(Constructor,staticProps),Constructor}}(),aesTables=null,AES=function(){function AES(key){classCallCheck(this,AES),aesTables||(aesTables=function(){var tables=[[[],[],[],[],[]],[[],[],[],[],[]]],encTable=tables[0],decTable=tables[1],sbox=encTable[4],sboxInv=decTable[4],i=void 0,x=void 0,xInv=void 0,d=[],th=[],x2=void 0,x4=void 0,s=void 0,tEnc=void 0,tDec=void 0;for(i=0;i<256;i++)th[(d[i]=i<<1^283*(i>>7))^i]=i;for(x=xInv=0;!sbox[x];x^=x2||1,xInv=th[xInv]||1)for(s=(s=xInv^xInv<<1^xInv<<2^xInv<<3^xInv<<4)>>8^255&s^99,sbox[x]=s,sboxInv[s]=x,tDec=16843009*d[x4=d[x2=d[x]]]^65537*x4^257*x2^16843008*x,tEnc=257*d[s]^16843008*s,i=0;i<4;i++)encTable[i][x]=tEnc=tEnc<<24^tEnc>>>8,decTable[i][s]=tDec=tDec<<24^tDec>>>8;for(i=0;i<5;i++)encTable[i]=encTable[i].slice(0),decTable[i]=decTable[i].slice(0);return tables}()),this._tables=[[aesTables[0][0].slice(),aesTables[0][1].slice(),aesTables[0][2].slice(),aesTables[0][3].slice(),aesTables[0][4].slice()],[aesTables[1][0].slice(),aesTables[1][1].slice(),aesTables[1][2].slice(),aesTables[1][3].slice(),aesTables[1][4].slice()]];var i=void 0,j=void 0,tmp=void 0,encKey=void 0,decKey=void 0,sbox=this._tables[0][4],decTable=this._tables[1],keyLen=key.length,rcon=1;if(4!==keyLen&&6!==keyLen&&8!==keyLen)throw new Error("Invalid aes key size");for(encKey=key.slice(0),decKey=[],this._key=[encKey,decKey],i=keyLen;i<4*keyLen+28;i++)tmp=encKey[i-1],(i%keyLen==0||8===keyLen&&i%keyLen==4)&&(tmp=sbox[tmp>>>24]<<24^sbox[tmp>>16&255]<<16^sbox[tmp>>8&255]<<8^sbox[255&tmp],i%keyLen==0&&(tmp=tmp<<8^tmp>>>24^rcon<<24,rcon=rcon<<1^283*(rcon>>7))),encKey[i]=encKey[i-keyLen]^tmp;for(j=0;i;j++,i--)tmp=encKey[3&j?i:i-4],decKey[j]=i<=4||j<4?tmp:decTable[0][sbox[tmp>>>24]]^decTable[1][sbox[tmp>>16&255]]^decTable[2][sbox[tmp>>8&255]]^decTable[3][sbox[255&tmp]]}return AES.prototype.decrypt=function(encrypted0,encrypted1,encrypted2,encrypted3,out,offset){var key=this._key[1],a=encrypted0^key[0],b=encrypted3^key[1],c=encrypted2^key[2],d=encrypted1^key[3],a2=void 0,b2=void 0,c2=void 0,nInnerRounds=key.length/4-2,i=void 0,kIndex=4,table=this._tables[1],table0=table[0],table1=table[1],table2=table[2],table3=table[3],sbox=table[4];for(i=0;i<nInnerRounds;i++)a2=table0[a>>>24]^table1[b>>16&255]^table2[c>>8&255]^table3[255&d]^key[kIndex],b2=table0[b>>>24]^table1[c>>16&255]^table2[d>>8&255]^table3[255&a]^key[kIndex+1],c2=table0[c>>>24]^table1[d>>16&255]^table2[a>>8&255]^table3[255&b]^key[kIndex+2],d=table0[d>>>24]^table1[a>>16&255]^table2[b>>8&255]^table3[255&c]^key[kIndex+3],kIndex+=4,a=a2,b=b2,c=c2;for(i=0;i<4;i++)out[(3&-i)+offset]=sbox[a>>>24]<<24^sbox[b>>16&255]<<16^sbox[c>>8&255]<<8^sbox[255&d]^key[kIndex++],a2=a,a=b,b=c,c=d,d=a2},AES}(),Stream=function(){function Stream(){classCallCheck(this,Stream),this.listeners={}}return Stream.prototype.on=function(type,listener){this.listeners[type]||(this.listeners[type]=[]),this.listeners[type].push(listener)},Stream.prototype.off=function(type,listener){if(!this.listeners[type])return!1;var index=this.listeners[type].indexOf(listener);return this.listeners[type].splice(index,1),index>-1},Stream.prototype.trigger=function(type){var callbacks=this.listeners[type];if(callbacks)if(2===arguments.length)for(var length=callbacks.length,i=0;i<length;++i)callbacks[i].call(this,arguments[1]);else for(var args=Array.prototype.slice.call(arguments,1),_length=callbacks.length,_i=0;_i<_length;++_i)callbacks[_i].apply(this,args)},Stream.prototype.dispose=function(){this.listeners={}},Stream.prototype.pipe=function(destination){this.on("data",(function(data){destination.push(data)}))},Stream}(),AsyncStream$$1=function(_Stream){function AsyncStream$$1(){classCallCheck(this,AsyncStream$$1);var _this=function(self,call){if(!self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!call||"object"!==_typeof2(call)&&"function"!=typeof call?self:call}(this,_Stream.call(this,Stream));return _this.jobs=[],_this.delay=1,_this.timeout_=null,_this}return function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function, not "+_typeof2(superClass));subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:!1,writable:!0,configurable:!0}}),superClass&&(Object.setPrototypeOf?Object.setPrototypeOf(subClass,superClass):subClass.__proto__=superClass)}(AsyncStream$$1,_Stream),AsyncStream$$1.prototype.processJob_=function(){this.jobs.shift()(),this.jobs.length?this.timeout_=setTimeout(this.processJob_.bind(this),this.delay):this.timeout_=null},AsyncStream$$1.prototype.push=function(job){this.jobs.push(job),this.timeout_||(this.timeout_=setTimeout(this.processJob_.bind(this),this.delay))},AsyncStream$$1}(Stream),ntoh=function(word){return word<<24|(65280&word)<<8|(16711680&word)>>8|word>>>24},Decrypter$$1=function(){function Decrypter$$1(encrypted,key,initVector,done){classCallCheck(this,Decrypter$$1);var step=Decrypter$$1.STEP,encrypted32=new Int32Array(encrypted.buffer),decrypted=new Uint8Array(encrypted.byteLength),i=0;for(this.asyncStream_=new AsyncStream$$1,this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i,i+step),key,initVector,decrypted)),i=step;i<encrypted32.length;i+=step)initVector=new Uint32Array([ntoh(encrypted32[i-4]),ntoh(encrypted32[i-3]),ntoh(encrypted32[i-2]),ntoh(encrypted32[i-1])]),this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i,i+step),key,initVector,decrypted));this.asyncStream_.push((function(){var padded;done(null,(padded=decrypted).subarray(0,padded.byteLength-padded[padded.byteLength-1]))}))}return Decrypter$$1.prototype.decryptChunk_=function(encrypted,key,initVector,decrypted){return function(){var bytes=function(encrypted,key,initVector){var encrypted32=new Int32Array(encrypted.buffer,encrypted.byteOffset,encrypted.byteLength>>2),decipher=new AES(Array.prototype.slice.call(key)),decrypted=new Uint8Array(encrypted.byteLength),decrypted32=new Int32Array(decrypted.buffer),init0=void 0,init1=void 0,init2=void 0,init3=void 0,encrypted0=void 0,encrypted1=void 0,encrypted2=void 0,encrypted3=void 0,wordIx=void 0;for(init0=initVector[0],init1=initVector[1],init2=initVector[2],init3=initVector[3],wordIx=0;wordIx<encrypted32.length;wordIx+=4)encrypted0=ntoh(encrypted32[wordIx]),encrypted1=ntoh(encrypted32[wordIx+1]),encrypted2=ntoh(encrypted32[wordIx+2]),encrypted3=ntoh(encrypted32[wordIx+3]),decipher.decrypt(encrypted0,encrypted1,encrypted2,encrypted3,decrypted32,wordIx),decrypted32[wordIx]=ntoh(decrypted32[wordIx]^init0),decrypted32[wordIx+1]=ntoh(decrypted32[wordIx+1]^init1),decrypted32[wordIx+2]=ntoh(decrypted32[wordIx+2]^init2),decrypted32[wordIx+3]=ntoh(decrypted32[wordIx+3]^init3),init0=encrypted0,init1=encrypted1,init2=encrypted2,init3=encrypted3;return decrypted}(encrypted,key,initVector);decrypted.set(bytes,encrypted.byteOffset)}},createClass(Decrypter$$1,null,[{key:"STEP",get:function(){return 32e3}}]),Decrypter$$1}();new function(self){self.onmessage=function(event){var data=event.data,encrypted=new Uint8Array(data.encrypted.bytes,data.encrypted.byteOffset,data.encrypted.byteLength),key=new Uint32Array(data.key.bytes,data.key.byteOffset,data.key.byteLength/4),iv=new Uint32Array(data.iv.bytes,data.iv.byteOffset,data.iv.byteLength/4);new Decrypter$$1(encrypted,key,iv,(function(err,bytes){var message,transferable;self.postMessage((message={source:data.source,decrypted:bytes},transferable={},Object.keys(message).forEach((function(key){var value=message[key];ArrayBuffer.isView(value)?transferable[key]={bytes:value.buffer,byteOffset:value.byteOffset,byteLength:value.byteLength}:transferable[key]=value})),transferable),[bytes.buffer])}))}}(self)}()})),audioTrackKind_=function(properties){var kind=properties.default?"main":"alternative";return properties.characteristics&&properties.characteristics.indexOf("public.accessibility.describes-video")>=0&&(kind="main-desc"),kind},stopLoaders=function(segmentLoader,mediaType){segmentLoader.abort(),segmentLoader.pause(),mediaType&&mediaType.activePlaylistLoader&&(mediaType.activePlaylistLoader.pause(),mediaType.activePlaylistLoader=null)},startLoaders=function(playlistLoader,mediaType){mediaType.activePlaylistLoader=playlistLoader,playlistLoader.load()},onError={AUDIO:function(type,settings){return function(){var segmentLoader=settings.segmentLoaders[type],mediaType=settings.mediaTypes[type],blacklistCurrentPlaylist=settings.blacklistCurrentPlaylist;stopLoaders(segmentLoader,mediaType);var activeTrack=mediaType.activeTrack(),activeGroup=mediaType.activeGroup(),id=(activeGroup.filter((function(group){return group.default}))[0]||activeGroup[0]).id,defaultTrack=mediaType.tracks[id];if(activeTrack!==defaultTrack){for(var trackId in videojs$1.log.warn("Problem encountered loading the alternate audio track.Switching back to default."),mediaType.tracks)mediaType.tracks[trackId].enabled=mediaType.tracks[trackId]===defaultTrack;mediaType.onTrackChanged()}else blacklistCurrentPlaylist({message:"Problem encountered loading the default audio track."})}},SUBTITLES:function(type,settings){return function(){var segmentLoader=settings.segmentLoaders[type],mediaType=settings.mediaTypes[type];videojs$1.log.warn("Problem encountered loading the subtitle track.Disabling subtitle track."),stopLoaders(segmentLoader,mediaType);var track=mediaType.activeTrack();track&&(track.mode="disabled"),mediaType.onTrackChanged()}}},setupListeners={AUDIO:function(type,playlistLoader,settings){if(playlistLoader){var tech=settings.tech,requestOptions=settings.requestOptions,segmentLoader=settings.segmentLoaders[type];playlistLoader.on("loadedmetadata",(function(){var media=playlistLoader.media();segmentLoader.playlist(media,requestOptions),(!tech.paused()||media.endList&&"none"!==tech.preload())&&segmentLoader.load()})),playlistLoader.on("loadedplaylist",(function(){segmentLoader.playlist(playlistLoader.media(),requestOptions),tech.paused()||segmentLoader.load()})),playlistLoader.on("error",onError[type](type,settings))}},SUBTITLES:function(type,playlistLoader,settings){var tech=settings.tech,requestOptions=settings.requestOptions,segmentLoader=settings.segmentLoaders[type],mediaType=settings.mediaTypes[type];playlistLoader.on("loadedmetadata",(function(){var media=playlistLoader.media();segmentLoader.playlist(media,requestOptions),segmentLoader.track(mediaType.activeTrack()),(!tech.paused()||media.endList&&"none"!==tech.preload())&&segmentLoader.load()})),playlistLoader.on("loadedplaylist",(function(){segmentLoader.playlist(playlistLoader.media(),requestOptions),tech.paused()||segmentLoader.load()})),playlistLoader.on("error",onError[type](type,settings))}},initialize={AUDIO:function(type,settings){var hls=settings.hls,sourceType=settings.sourceType,segmentLoader=settings.segmentLoaders[type],requestOptions=settings.requestOptions,mediaGroups=settings.master.mediaGroups,_settings$mediaTypes$=settings.mediaTypes[type],groups=_settings$mediaTypes$.groups,tracks=_settings$mediaTypes$.tracks,masterPlaylistLoader=settings.masterPlaylistLoader;for(var groupId in mediaGroups[type]&&0!==Object.keys(mediaGroups[type]).length||(mediaGroups[type]={main:{default:{default:!0}}}),mediaGroups[type])for(var variantLabel in groups[groupId]||(groups[groupId]=[]),mediaGroups[type][groupId]){var properties=mediaGroups[type][groupId][variantLabel],playlistLoader=void 0;if(playlistLoader=properties.resolvedUri?new PlaylistLoader(properties.resolvedUri,hls,requestOptions):properties.playlists&&"dash"===sourceType?new DashPlaylistLoader(properties.playlists[0],hls,requestOptions,masterPlaylistLoader):null,properties=videojs$1.mergeOptions({id:variantLabel,playlistLoader:playlistLoader},properties),setupListeners[type](type,properties.playlistLoader,settings),groups[groupId].push(properties),void 0===tracks[variantLabel]){var track=new videojs$1.AudioTrack({id:variantLabel,kind:audioTrackKind_(properties),enabled:!1,language:properties.language,default:properties.default,label:variantLabel});tracks[variantLabel]=track}}segmentLoader.on("error",onError[type](type,settings))},SUBTITLES:function(type,settings){var tech=settings.tech,hls=settings.hls,sourceType=settings.sourceType,segmentLoader=settings.segmentLoaders[type],requestOptions=settings.requestOptions,mediaGroups=settings.master.mediaGroups,_settings$mediaTypes$2=settings.mediaTypes[type],groups=_settings$mediaTypes$2.groups,tracks=_settings$mediaTypes$2.tracks,masterPlaylistLoader=settings.masterPlaylistLoader;for(var groupId in mediaGroups[type])for(var variantLabel in groups[groupId]||(groups[groupId]=[]),mediaGroups[type][groupId])if(!mediaGroups[type][groupId][variantLabel].forced){var properties=mediaGroups[type][groupId][variantLabel],playlistLoader=void 0;if("hls"===sourceType?playlistLoader=new PlaylistLoader(properties.resolvedUri,hls,requestOptions):"dash"===sourceType&&(playlistLoader=new DashPlaylistLoader(properties.playlists[0],hls,requestOptions,masterPlaylistLoader)),properties=videojs$1.mergeOptions({id:variantLabel,playlistLoader:playlistLoader},properties),setupListeners[type](type,properties.playlistLoader,settings),groups[groupId].push(properties),void 0===tracks[variantLabel]){var track=tech.addRemoteTextTrack({id:variantLabel,kind:"subtitles",default:properties.default&&properties.autoselect,language:properties.language,label:variantLabel},!1).track;tracks[variantLabel]=track}}segmentLoader.on("error",onError[type](type,settings))},"CLOSED-CAPTIONS":function(type,settings){var tech=settings.tech,mediaGroups=settings.master.mediaGroups,_settings$mediaTypes$3=settings.mediaTypes[type],groups=_settings$mediaTypes$3.groups,tracks=_settings$mediaTypes$3.tracks;for(var groupId in mediaGroups[type])for(var variantLabel in groups[groupId]||(groups[groupId]=[]),mediaGroups[type][groupId]){var properties=mediaGroups[type][groupId][variantLabel];if(properties.instreamId.match(/CC\d/)&&(groups[groupId].push(videojs$1.mergeOptions({id:variantLabel},properties)),void 0===tracks[variantLabel])){var track=tech.addRemoteTextTrack({id:properties.instreamId,kind:"captions",default:properties.default&&properties.autoselect,language:properties.language,label:variantLabel},!1).track;tracks[variantLabel]=track}}}},activeTrack={AUDIO:function(type,settings){return function(){var tracks=settings.mediaTypes[type].tracks;for(var id in tracks)if(tracks[id].enabled)return tracks[id];return null}},SUBTITLES:function(type,settings){return function(){var tracks=settings.mediaTypes[type].tracks;for(var id in tracks)if("showing"===tracks[id].mode||"hidden"===tracks[id].mode)return tracks[id];return null}}},setupMediaGroups=function(settings){["AUDIO","SUBTITLES","CLOSED-CAPTIONS"].forEach((function(type){initialize[type](type,settings)}));var mediaTypes=settings.mediaTypes,masterPlaylistLoader=settings.masterPlaylistLoader,tech=settings.tech,hls=settings.hls;["AUDIO","SUBTITLES"].forEach((function(type){mediaTypes[type].activeGroup=function(type,settings){return function(track){var masterPlaylistLoader=settings.masterPlaylistLoader,groups=settings.mediaTypes[type].groups,media=masterPlaylistLoader.media();if(!media)return null;var variants=null;return media.attributes[type]&&(variants=groups[media.attributes[type]]),variants=variants||groups.main,void 0===track?variants:null===track?null:variants.filter((function(props){return props.id===track.id}))[0]||null}}(type,settings),mediaTypes[type].activeTrack=activeTrack[type](type,settings),mediaTypes[type].onGroupChanged=function(type,settings){return function(){var _settings$segmentLoad=settings.segmentLoaders,segmentLoader=_settings$segmentLoad[type],mainSegmentLoader=_settings$segmentLoad.main,mediaType=settings.mediaTypes[type],activeTrack=mediaType.activeTrack(),activeGroup=mediaType.activeGroup(activeTrack),previousActiveLoader=mediaType.activePlaylistLoader;stopLoaders(segmentLoader,mediaType),activeGroup&&(activeGroup.playlistLoader?(segmentLoader.resyncLoader(),startLoaders(activeGroup.playlistLoader,mediaType)):previousActiveLoader&&mainSegmentLoader.resetEverything())}}(type,settings),mediaTypes[type].onTrackChanged=function(type,settings){return function(){var _settings$segmentLoad2=settings.segmentLoaders,segmentLoader=_settings$segmentLoad2[type],mainSegmentLoader=_settings$segmentLoad2.main,mediaType=settings.mediaTypes[type],activeTrack=mediaType.activeTrack(),activeGroup=mediaType.activeGroup(activeTrack),previousActiveLoader=mediaType.activePlaylistLoader;stopLoaders(segmentLoader,mediaType),activeGroup&&(activeGroup.playlistLoader?previousActiveLoader!==activeGroup.playlistLoader?(segmentLoader.track&&segmentLoader.track(activeTrack),segmentLoader.resetEverything(),startLoaders(activeGroup.playlistLoader,mediaType)):startLoaders(activeGroup.playlistLoader,mediaType):mainSegmentLoader.resetEverything())}}(type,settings)}));var audioGroup=mediaTypes.AUDIO.activeGroup(),groupId=(audioGroup.filter((function(group){return group.default}))[0]||audioGroup[0]).id;mediaTypes.AUDIO.tracks[groupId].enabled=!0,mediaTypes.AUDIO.onTrackChanged(),masterPlaylistLoader.on("mediachange",(function(){["AUDIO","SUBTITLES"].forEach((function(type){return mediaTypes[type].onGroupChanged()}))}));var onAudioTrackChanged=function(){mediaTypes.AUDIO.onTrackChanged(),tech.trigger({type:"usage",name:"hls-audio-change"})};for(var id in tech.audioTracks().addEventListener("change",onAudioTrackChanged),tech.remoteTextTracks().addEventListener("change",mediaTypes.SUBTITLES.onTrackChanged),hls.on("dispose",(function(){tech.audioTracks().removeEventListener("change",onAudioTrackChanged),tech.remoteTextTracks().removeEventListener("change",mediaTypes.SUBTITLES.onTrackChanged)})),tech.clearTracks("audio"),mediaTypes.AUDIO.tracks)tech.audioTracks().addTrack(mediaTypes.AUDIO.tracks[id])},Hls=void 0,loaderStats=["mediaRequests","mediaRequestsAborted","mediaRequestsTimedout","mediaRequestsErrored","mediaTransferDuration","mediaBytesTransferred"],sumLoaderStat=function(stat){return this.audioSegmentLoader_[stat]+this.mainSegmentLoader_[stat]},MasterPlaylistController=function(_videojs$EventTarget){function MasterPlaylistController(options){classCallCheck$1(this,MasterPlaylistController);var mediaTypes,_this=possibleConstructorReturn$1(this,(MasterPlaylistController.__proto__||Object.getPrototypeOf(MasterPlaylistController)).call(this)),url=options.url,handleManifestRedirects=options.handleManifestRedirects,withCredentials=options.withCredentials,tech=options.tech,bandwidth=options.bandwidth,externHls=options.externHls,useCueTags=options.useCueTags,blacklistDuration=options.blacklistDuration,enableLowInitialPlaylist=options.enableLowInitialPlaylist,sourceType=options.sourceType,seekTo=options.seekTo,cacheEncryptionKeys=options.cacheEncryptionKeys;if(!url)throw new Error("A non-empty playlist URL is required");Hls=externHls,_this.withCredentials=withCredentials,_this.tech_=tech,_this.hls_=tech.hls,_this.seekTo_=seekTo,_this.sourceType_=sourceType,_this.useCueTags_=useCueTags,_this.blacklistDuration=blacklistDuration,_this.enableLowInitialPlaylist=enableLowInitialPlaylist,_this.useCueTags_&&(_this.cueTagsTrack_=_this.tech_.addTextTrack("metadata","ad-cues"),_this.cueTagsTrack_.inBandMetadataTrackDispatchType=""),_this.requestOptions_={withCredentials:withCredentials,handleManifestRedirects:handleManifestRedirects,timeout:null},_this.mediaTypes_=(mediaTypes={},["AUDIO","SUBTITLES","CLOSED-CAPTIONS"].forEach((function(type){mediaTypes[type]={groups:{},tracks:{},activePlaylistLoader:null,activeGroup:noop$1,activeTrack:noop$1,onGroupChanged:noop$1,onTrackChanged:noop$1}})),mediaTypes),_this.mediaSource=new videojs$1.MediaSource,_this.mediaSource.addEventListener("sourceopen",_this.handleSourceOpen_.bind(_this)),_this.seekable_=videojs$1.createTimeRanges(),_this.hasPlayed_=!1,_this.syncController_=new SyncController(options),_this.segmentMetadataTrack_=tech.addRemoteTextTrack({kind:"metadata",label:"segment-metadata"},!1).track,_this.decrypter_=new Decrypter$1,_this.inbandTextTracks_={};var segmentLoaderSettings={hls:_this.hls_,mediaSource:_this.mediaSource,currentTime:_this.tech_.currentTime.bind(_this.tech_),seekable:function(){return _this.seekable()},seeking:function(){return _this.tech_.seeking()},duration:function(){return _this.mediaSource.duration},hasPlayed:function(){return _this.hasPlayed_},goalBufferLength:function(){return _this.goalBufferLength()},bandwidth:bandwidth,syncController:_this.syncController_,decrypter:_this.decrypter_,sourceType:_this.sourceType_,inbandTextTracks:_this.inbandTextTracks_,cacheEncryptionKeys:cacheEncryptionKeys};return _this.masterPlaylistLoader_="dash"===_this.sourceType_?new DashPlaylistLoader(url,_this.hls_,_this.requestOptions_):new PlaylistLoader(url,_this.hls_,_this.requestOptions_),_this.setupMasterPlaylistLoaderListeners_(),_this.mainSegmentLoader_=new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings,{segmentMetadataTrack:_this.segmentMetadataTrack_,loaderType:"main"}),options),_this.audioSegmentLoader_=new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings,{loaderType:"audio"}),options),_this.subtitleSegmentLoader_=new VTTSegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings,{loaderType:"vtt",featuresNativeTextTracks:_this.tech_.featuresNativeTextTracks}),options),_this.setupSegmentLoaderListeners_(),loaderStats.forEach((function(stat){_this[stat+"_"]=sumLoaderStat.bind(_this,stat)})),_this.logger_=logger("MPC"),_this.masterPlaylistLoader_.load(),_this}return inherits$2(MasterPlaylistController,_videojs$EventTarget),createClass$1(MasterPlaylistController,[{key:"setupMasterPlaylistLoaderListeners_",value:function(){var _this2=this;this.masterPlaylistLoader_.on("loadedmetadata",(function(){var media=_this2.masterPlaylistLoader_.media(),requestTimeout=1.5*media.targetDuration*1e3;isLowestEnabledRendition(_this2.masterPlaylistLoader_.master,_this2.masterPlaylistLoader_.media())?_this2.requestOptions_.timeout=0:_this2.requestOptions_.timeout=requestTimeout,media.endList&&"none"!==_this2.tech_.preload()&&(_this2.mainSegmentLoader_.playlist(media,_this2.requestOptions_),_this2.mainSegmentLoader_.load()),setupMediaGroups({sourceType:_this2.sourceType_,segmentLoaders:{AUDIO:_this2.audioSegmentLoader_,SUBTITLES:_this2.subtitleSegmentLoader_,main:_this2.mainSegmentLoader_},tech:_this2.tech_,requestOptions:_this2.requestOptions_,masterPlaylistLoader:_this2.masterPlaylistLoader_,hls:_this2.hls_,master:_this2.master(),mediaTypes:_this2.mediaTypes_,blacklistCurrentPlaylist:_this2.blacklistCurrentPlaylist.bind(_this2)}),_this2.triggerPresenceUsage_(_this2.master(),media);try{_this2.setupSourceBuffers_()}catch(e){return videojs$1.log.warn("Failed to create SourceBuffers",e),_this2.mediaSource.endOfStream("decode")}_this2.setupFirstPlay(),!_this2.mediaTypes_.AUDIO.activePlaylistLoader||_this2.mediaTypes_.AUDIO.activePlaylistLoader.media()?_this2.trigger("selectedinitialmedia"):_this2.mediaTypes_.AUDIO.activePlaylistLoader.one("loadedmetadata",(function(){_this2.trigger("selectedinitialmedia")}))})),this.masterPlaylistLoader_.on("loadedplaylist",(function(){var updatedPlaylist=_this2.masterPlaylistLoader_.media();if(!updatedPlaylist){_this2.excludeUnsupportedVariants_();var selectedMedia=void 0;return _this2.enableLowInitialPlaylist&&(selectedMedia=_this2.selectInitialPlaylist()),selectedMedia||(selectedMedia=_this2.selectPlaylist()),_this2.initialMedia_=selectedMedia,void _this2.masterPlaylistLoader_.media(_this2.initialMedia_)}if(_this2.useCueTags_&&_this2.updateAdCues_(updatedPlaylist),_this2.mainSegmentLoader_.playlist(updatedPlaylist,_this2.requestOptions_),_this2.updateDuration(),_this2.tech_.paused()||(_this2.mainSegmentLoader_.load(),_this2.audioSegmentLoader_&&_this2.audioSegmentLoader_.load()),!updatedPlaylist.endList){var addSeekableRange=function(){var seekable$$1=_this2.seekable();0!==seekable$$1.length&&_this2.mediaSource.addSeekableRange_(seekable$$1.start(0),seekable$$1.end(0))};_this2.duration()!==1/0?_this2.tech_.one("durationchange",(function onDurationchange(){_this2.duration()===1/0?addSeekableRange():_this2.tech_.one("durationchange",onDurationchange)})):addSeekableRange()}})),this.masterPlaylistLoader_.on("error",(function(){_this2.blacklistCurrentPlaylist(_this2.masterPlaylistLoader_.error)})),this.masterPlaylistLoader_.on("mediachanging",(function(){_this2.mainSegmentLoader_.abort(),_this2.mainSegmentLoader_.pause()})),this.masterPlaylistLoader_.on("mediachange",(function(){var media=_this2.masterPlaylistLoader_.media(),requestTimeout=1.5*media.targetDuration*1e3;isLowestEnabledRendition(_this2.masterPlaylistLoader_.master,_this2.masterPlaylistLoader_.media())?_this2.requestOptions_.timeout=0:_this2.requestOptions_.timeout=requestTimeout,_this2.mainSegmentLoader_.playlist(media,_this2.requestOptions_),_this2.mainSegmentLoader_.load(),_this2.tech_.trigger({type:"mediachange",bubbles:!0})})),this.masterPlaylistLoader_.on("playlistunchanged",(function(){var updatedPlaylist=_this2.masterPlaylistLoader_.media();_this2.stuckAtPlaylistEnd_(updatedPlaylist)&&(_this2.blacklistCurrentPlaylist({message:"Playlist no longer updating."}),_this2.tech_.trigger("playliststuck"))})),this.masterPlaylistLoader_.on("renditiondisabled",(function(){_this2.tech_.trigger({type:"usage",name:"hls-rendition-disabled"})})),this.masterPlaylistLoader_.on("renditionenabled",(function(){_this2.tech_.trigger({type:"usage",name:"hls-rendition-enabled"})}))}},{key:"triggerPresenceUsage_",value:function(master,media){var mediaGroups=master.mediaGroups||{},defaultDemuxed=!0,audioGroupKeys=Object.keys(mediaGroups.AUDIO);for(var mediaGroup in mediaGroups.AUDIO)for(var label in mediaGroups.AUDIO[mediaGroup])mediaGroups.AUDIO[mediaGroup][label].uri||(defaultDemuxed=!1);defaultDemuxed&&this.tech_.trigger({type:"usage",name:"hls-demuxed"}),Object.keys(mediaGroups.SUBTITLES).length&&this.tech_.trigger({type:"usage",name:"hls-webvtt"}),Hls.Playlist.isAes(media)&&this.tech_.trigger({type:"usage",name:"hls-aes"}),Hls.Playlist.isFmp4(media)&&this.tech_.trigger({type:"usage",name:"hls-fmp4"}),audioGroupKeys.length&&Object.keys(mediaGroups.AUDIO[audioGroupKeys[0]]).length>1&&this.tech_.trigger({type:"usage",name:"hls-alternate-audio"}),this.useCueTags_&&this.tech_.trigger({type:"usage",name:"hls-playlist-cue-tags"})}},{key:"setupSegmentLoaderListeners_",value:function(){var _this3=this;this.mainSegmentLoader_.on("bandwidthupdate",(function(){var nextPlaylist=_this3.selectPlaylist(),currentPlaylist=_this3.masterPlaylistLoader_.media(),buffered=_this3.tech_.buffered(),forwardBuffer=buffered.length?buffered.end(buffered.length-1)-_this3.tech_.currentTime():0,bufferLowWaterLine=_this3.bufferLowWaterLine();(!currentPlaylist.endList||_this3.duration()<Config.MAX_BUFFER_LOW_WATER_LINE||nextPlaylist.attributes.BANDWIDTH<currentPlaylist.attributes.BANDWIDTH||forwardBuffer>=bufferLowWaterLine)&&_this3.masterPlaylistLoader_.media(nextPlaylist),_this3.tech_.trigger("bandwidthupdate")})),this.mainSegmentLoader_.on("progress",(function(){_this3.trigger("progress")})),this.mainSegmentLoader_.on("error",(function(){_this3.blacklistCurrentPlaylist(_this3.mainSegmentLoader_.error())})),this.mainSegmentLoader_.on("syncinfoupdate",(function(){_this3.onSyncInfoUpdate_()})),this.mainSegmentLoader_.on("timestampoffset",(function(){_this3.tech_.trigger({type:"usage",name:"hls-timestamp-offset"})})),this.audioSegmentLoader_.on("syncinfoupdate",(function(){_this3.onSyncInfoUpdate_()})),this.mainSegmentLoader_.on("ended",(function(){_this3.onEndOfStream()})),this.mainSegmentLoader_.on("earlyabort",(function(){_this3.blacklistCurrentPlaylist({message:"Aborted early because there isn't enough bandwidth to complete the request without rebuffering."},120)})),this.mainSegmentLoader_.on("reseteverything",(function(){_this3.tech_.trigger("hls-reset")})),this.mainSegmentLoader_.on("segmenttimemapping",(function(event){_this3.tech_.trigger({type:"hls-segment-time-mapping",mapping:event.mapping})})),this.audioSegmentLoader_.on("ended",(function(){_this3.onEndOfStream()}))}},{key:"mediaSecondsLoaded_",value:function(){return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded+this.mainSegmentLoader_.mediaSecondsLoaded)}},{key:"load",value:function(){this.mainSegmentLoader_.load(),this.mediaTypes_.AUDIO.activePlaylistLoader&&this.audioSegmentLoader_.load(),this.mediaTypes_.SUBTITLES.activePlaylistLoader&&this.subtitleSegmentLoader_.load()}},{key:"smoothQualityChange_",value:function(){var media=this.selectPlaylist();media!==this.masterPlaylistLoader_.media()&&(this.masterPlaylistLoader_.media(media),this.mainSegmentLoader_.resetLoader())}},{key:"fastQualityChange_",value:function(){var _this4=this,media=this.selectPlaylist();media!==this.masterPlaylistLoader_.media()&&(this.masterPlaylistLoader_.media(media),this.mainSegmentLoader_.resetEverything((function(){videojs$1.browser.IE_VERSION||videojs$1.browser.IS_EDGE?_this4.tech_.setCurrentTime(_this4.tech_.currentTime()+.04):_this4.tech_.setCurrentTime(_this4.tech_.currentTime())})))}},{key:"play",value:function(){if(!this.setupFirstPlay()){this.tech_.ended()&&this.seekTo_(0),this.hasPlayed_&&this.load();var seekable$$1=this.tech_.seekable();return this.tech_.duration()===1/0&&this.tech_.currentTime()<seekable$$1.start(0)?this.seekTo_(seekable$$1.end(seekable$$1.length-1)):void 0}}},{key:"setupFirstPlay",value:function(){var _this5=this,media=this.masterPlaylistLoader_.media();if(!media||this.tech_.paused()||this.hasPlayed_)return!1;if(!media.endList){var seekable$$1=this.seekable();if(!seekable$$1.length)return!1;if(videojs$1.browser.IE_VERSION&&0===this.tech_.readyState())return this.tech_.one("loadedmetadata",(function(){_this5.trigger("firstplay"),_this5.seekTo_(seekable$$1.end(0)),_this5.hasPlayed_=!0})),!1;this.trigger("firstplay"),this.seekTo_(seekable$$1.end(0))}return this.hasPlayed_=!0,this.load(),!0}},{key:"handleSourceOpen_",value:function(){try{this.setupSourceBuffers_()}catch(e){return videojs$1.log.warn("Failed to create Source Buffers",e),this.mediaSource.endOfStream("decode")}if(this.tech_.autoplay()){var playPromise=this.tech_.play();void 0!==playPromise&&"function"==typeof playPromise.then&&playPromise.then(null,(function(e){}))}this.trigger("sourceopen")}},{key:"onEndOfStream",value:function(){var isEndOfStream=this.mainSegmentLoader_.ended_;if(this.mediaTypes_.AUDIO.activePlaylistLoader&&(isEndOfStream=!this.mainSegmentLoader_.startingMedia_||this.mainSegmentLoader_.startingMedia_.containsVideo?isEndOfStream&&this.audioSegmentLoader_.ended_:this.audioSegmentLoader_.ended_),isEndOfStream){this.logger_("calling mediaSource.endOfStream()");try{this.mediaSource.endOfStream()}catch(e){videojs$1.log.warn("Failed to call media source endOfStream",e)}}}},{key:"stuckAtPlaylistEnd_",value:function(playlist){if(!this.seekable().length)return!1;var expired=this.syncController_.getExpiredTime(playlist,this.mediaSource.duration);if(null===expired)return!1;var absolutePlaylistEnd=Hls.Playlist.playlistEnd(playlist,expired),currentTime=this.tech_.currentTime(),buffered=this.tech_.buffered();if(!buffered.length)return absolutePlaylistEnd-currentTime<=.1;var bufferedEnd=buffered.end(buffered.length-1);return bufferedEnd-currentTime<=.1&&absolutePlaylistEnd-bufferedEnd<=.1}},{key:"blacklistCurrentPlaylist",value:function(){var error=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},blacklistDuration=arguments[1],currentPlaylist=void 0,nextPlaylist=void 0;if(currentPlaylist=error.playlist||this.masterPlaylistLoader_.media(),blacklistDuration=blacklistDuration||error.blacklistDuration||this.blacklistDuration,!currentPlaylist){this.error=error;try{return this.mediaSource.endOfStream("network")}catch(e){return this.trigger("error")}}var isFinalRendition=1===this.masterPlaylistLoader_.master.playlists.filter(isEnabled).length,playlists=this.masterPlaylistLoader_.master.playlists;return 1===playlists.length?(videojs$1.log.warn("Problem encountered with the current HLS playlist. Trying again since it is the only playlist."),this.tech_.trigger("retryplaylist"),this.masterPlaylistLoader_.load(isFinalRendition)):(isFinalRendition&&(videojs$1.log.warn("Removing all playlists from the blacklist because the last rendition is about to be blacklisted."),playlists.forEach((function(playlist){playlist.excludeUntil!==1/0&&delete playlist.excludeUntil})),this.tech_.trigger("retryplaylist")),currentPlaylist.excludeUntil=Date.now()+1e3*blacklistDuration,this.tech_.trigger("blacklistplaylist"),this.tech_.trigger({type:"usage",name:"hls-rendition-blacklisted"}),nextPlaylist=this.selectPlaylist(),videojs$1.log.warn("Problem encountered with the current HLS playlist."+(error.message?" "+error.message:"")+" Switching to another playlist."),this.masterPlaylistLoader_.media(nextPlaylist,isFinalRendition))}},{key:"pauseLoading",value:function(){this.mainSegmentLoader_.pause(),this.mediaTypes_.AUDIO.activePlaylistLoader&&this.audioSegmentLoader_.pause(),this.mediaTypes_.SUBTITLES.activePlaylistLoader&&this.subtitleSegmentLoader_.pause()}},{key:"setCurrentTime",value:function(currentTime){var buffered=findRange(this.tech_.buffered(),currentTime);return this.masterPlaylistLoader_&&this.masterPlaylistLoader_.media()&&this.masterPlaylistLoader_.media().segments?buffered&&buffered.length?currentTime:(this.mainSegmentLoader_.resetEverything(),this.mainSegmentLoader_.abort(),this.mediaTypes_.AUDIO.activePlaylistLoader&&(this.audioSegmentLoader_.resetEverything(),this.audioSegmentLoader_.abort()),this.mediaTypes_.SUBTITLES.activePlaylistLoader&&(this.subtitleSegmentLoader_.resetEverything(),this.subtitleSegmentLoader_.abort()),void this.load()):0}},{key:"duration",value:function(){return this.masterPlaylistLoader_?this.mediaSource?this.mediaSource.duration:Hls.Playlist.duration(this.masterPlaylistLoader_.media()):0}},{key:"seekable",value:function(){return this.seekable_}},{key:"onSyncInfoUpdate_",value:function(){var audioSeekable=void 0;if(this.masterPlaylistLoader_){var media=this.masterPlaylistLoader_.media();if(media){var expired=this.syncController_.getExpiredTime(media,this.mediaSource.duration);if(null!==expired){var suggestedPresentationDelay=this.masterPlaylistLoader_.master.suggestedPresentationDelay,mainSeekable=Hls.Playlist.seekable(media,expired,suggestedPresentationDelay);if(0!==mainSeekable.length){if(this.mediaTypes_.AUDIO.activePlaylistLoader){if(media=this.mediaTypes_.AUDIO.activePlaylistLoader.media(),null===(expired=this.syncController_.getExpiredTime(media,this.mediaSource.duration)))return;if(0===(audioSeekable=Hls.Playlist.seekable(media,expired,suggestedPresentationDelay)).length)return}var oldEnd=void 0,oldStart=void 0;this.seekable_&&this.seekable_.length&&(oldEnd=this.seekable_.end(0),oldStart=this.seekable_.start(0)),audioSeekable?audioSeekable.start(0)>mainSeekable.end(0)||mainSeekable.start(0)>audioSeekable.end(0)?this.seekable_=mainSeekable:this.seekable_=videojs$1.createTimeRanges([[audioSeekable.start(0)>mainSeekable.start(0)?audioSeekable.start(0):mainSeekable.start(0),audioSeekable.end(0)<mainSeekable.end(0)?audioSeekable.end(0):mainSeekable.end(0)]]):this.seekable_=mainSeekable,this.seekable_&&this.seekable_.length&&this.seekable_.end(0)===oldEnd&&this.seekable_.start(0)===oldStart||(this.logger_("seekable updated ["+printableRange(this.seekable_)+"]"),this.tech_.trigger("seekablechanged"))}}}}}},{key:"updateDuration",value:function(){var _this6=this,oldDuration=this.mediaSource.duration,newDuration=Hls.Playlist.duration(this.masterPlaylistLoader_.media()),buffered=this.tech_.buffered(),setDuration=function setDuration(){_this6.logger_("Setting duration from "+_this6.mediaSource.duration+" => "+newDuration);try{_this6.mediaSource.duration=newDuration}catch(e){videojs$1.log.warn("Failed to set media source duration",e)}_this6.tech_.trigger("durationchange"),_this6.mediaSource.removeEventListener("sourceopen",setDuration)};buffered.length>0&&(newDuration=Math.max(newDuration,buffered.end(buffered.length-1))),oldDuration!==newDuration&&("open"!==this.mediaSource.readyState?this.mediaSource.addEventListener("sourceopen",setDuration):setDuration())}},{key:"dispose",value:function(){var _this7=this;this.trigger("dispose"),this.decrypter_.terminate(),this.masterPlaylistLoader_.dispose(),this.mainSegmentLoader_.dispose(),["AUDIO","SUBTITLES"].forEach((function(type){var groups=_this7.mediaTypes_[type].groups;for(var id in groups)groups[id].forEach((function(group){group.playlistLoader&&group.playlistLoader.dispose()}))})),this.audioSegmentLoader_.dispose(),this.subtitleSegmentLoader_.dispose(),this.off(),this.mediaSource.dispose&&this.mediaSource.dispose()}},{key:"master",value:function(){return this.masterPlaylistLoader_.master}},{key:"media",value:function(){return this.masterPlaylistLoader_.media()||this.initialMedia_}},{key:"setupSourceBuffers_",value:function(){var mimeTypes,media=this.masterPlaylistLoader_.media();if(media&&"open"===this.mediaSource.readyState){if((mimeTypes=mimeTypesForPlaylist(this.masterPlaylistLoader_.master,media)).length<1)return this.error="No compatible SourceBuffer configuration for the variant stream:"+media.resolvedUri,this.mediaSource.endOfStream("decode");this.configureLoaderMimeTypes_(mimeTypes),this.excludeIncompatibleVariants_(media)}}},{key:"configureLoaderMimeTypes_",value:function(mimeTypes){var sourceBufferEmitter=mimeTypes.length>1&&-1===mimeTypes[0].indexOf(",")&&mimeTypes[0]!==mimeTypes[1]?new videojs$1.EventTarget:null;this.mainSegmentLoader_.mimeType(mimeTypes[0],sourceBufferEmitter),mimeTypes[1]&&this.audioSegmentLoader_.mimeType(mimeTypes[1],sourceBufferEmitter)}},{key:"excludeUnsupportedVariants_",value:function(){this.master().playlists.forEach((function(variant){var codecString;variant.attributes.CODECS&&window$3.MediaSource&&window$3.MediaSource.isTypeSupported&&!window$3.MediaSource.isTypeSupported('video/mp4; codecs="'+(codecString=variant.attributes.CODECS,codecString.replace(/avc1\.(\d+)\.(\d+)/i,(function(match){return translateLegacyCodecs([match])[0]}))+'"'))&&(variant.excludeUntil=1/0)}))}},{key:"excludeIncompatibleVariants_",value:function(media){var codecCount=2,videoCodec=null,codecs=void 0;media.attributes.CODECS&&(codecs=parseCodecs(media.attributes.CODECS),videoCodec=codecs.videoCodec,codecCount=codecs.codecCount),this.master().playlists.forEach((function(variant){var variantCodecs={codecCount:2,videoCodec:null};variant.attributes.CODECS&&(variantCodecs=parseCodecs(variant.attributes.CODECS)),variantCodecs.codecCount!==codecCount&&(variant.excludeUntil=1/0),variantCodecs.videoCodec!==videoCodec&&(variant.excludeUntil=1/0)}))}},{key:"updateAdCues_",value:function(media){var offset=0,seekable$$1=this.seekable();seekable$$1.length&&(offset=seekable$$1.start(0)),function(media,track){var offset=arguments.length>2&&void 0!==arguments[2]?arguments[2]:0;if(media.segments)for(var mediaTime=offset,cue=void 0,i=0;i<media.segments.length;i++){var segment=media.segments[i];if(cue||(cue=findAdCue(track,mediaTime+segment.duration/2)),cue){if("cueIn"in segment){cue.endTime=mediaTime,cue.adEndTime=mediaTime,mediaTime+=segment.duration,cue=null;continue}if(mediaTime<cue.endTime){mediaTime+=segment.duration;continue}cue.endTime+=segment.duration}else if("cueOut"in segment&&((cue=new window$3.VTTCue(mediaTime,mediaTime+segment.duration,segment.cueOut)).adStartTime=mediaTime,cue.adEndTime=mediaTime+parseFloat(segment.cueOut),track.addCue(cue)),"cueOutCont"in segment){var adOffset=void 0,adTotal=void 0,_segment$cueOutCont$s=segment.cueOutCont.split("/").map(parseFloat),_segment$cueOutCont$s2=slicedToArray(_segment$cueOutCont$s,2);adOffset=_segment$cueOutCont$s2[0],adTotal=_segment$cueOutCont$s2[1],(cue=new window$3.VTTCue(mediaTime,mediaTime+segment.duration,"")).adStartTime=mediaTime-adOffset,cue.adEndTime=cue.adStartTime+adTotal,track.addCue(cue)}mediaTime+=segment.duration}}(media,this.cueTagsTrack_,offset)}},{key:"goalBufferLength",value:function(){var currentTime=this.tech_.currentTime(),initial=Config.GOAL_BUFFER_LENGTH,rate=Config.GOAL_BUFFER_LENGTH_RATE,max=Math.max(initial,Config.MAX_GOAL_BUFFER_LENGTH);return Math.min(initial+currentTime*rate,max)}},{key:"bufferLowWaterLine",value:function(){var currentTime=this.tech_.currentTime(),initial=Config.BUFFER_LOW_WATER_LINE,rate=Config.BUFFER_LOW_WATER_LINE_RATE,max=Math.max(initial,Config.MAX_BUFFER_LOW_WATER_LINE);return Math.min(initial+currentTime*rate,max)}}]),MasterPlaylistController}(videojs$1.EventTarget),Representation=function Representation(hlsHandler,playlist,id){classCallCheck$1(this,Representation);var loader,playlistID,changePlaylistFn,mpc=hlsHandler.masterPlaylistController_,qualityChangeFunction=mpc[(hlsHandler.options_.smoothQualityChange?"smooth":"fast")+"QualityChange_"].bind(mpc);if(playlist.attributes.RESOLUTION){var resolution=playlist.attributes.RESOLUTION;this.width=resolution.width,this.height=resolution.height}this.bandwidth=playlist.attributes.BANDWIDTH,this.id=id,this.enabled=(loader=hlsHandler.playlists,playlistID=playlist.id,changePlaylistFn=qualityChangeFunction,function(enable){var playlist=loader.master.playlists[playlistID],incompatible=isIncompatible(playlist),currentlyEnabled=isEnabled(playlist);return void 0===enable?currentlyEnabled:(enable?delete playlist.disabled:playlist.disabled=!0,enable===currentlyEnabled||incompatible||(changePlaylistFn(),enable?loader.trigger("renditionenabled"):loader.trigger("renditiondisabled")),enable)})},timerCancelEvents=["seeking","seeked","pause","playing","error"],PlaybackWatcher=function(){function PlaybackWatcher(options){var _this=this;classCallCheck$1(this,PlaybackWatcher),this.tech_=options.tech,this.seekable=options.seekable,this.seekTo=options.seekTo,this.allowSeeksWithinUnsafeLiveWindow=options.allowSeeksWithinUnsafeLiveWindow,this.media=options.media,this.consecutiveUpdates=0,this.lastRecordedTime=null,this.timer_=null,this.checkCurrentTimeTimeout_=null,this.logger_=logger("PlaybackWatcher"),this.logger_("initialize");var canPlayHandler=function(){return _this.monitorCurrentTime_()},waitingHandler=function(){return _this.techWaiting_()},cancelTimerHandler=function(){return _this.cancelTimer_()},fixesBadSeeksHandler=function(){return _this.fixesBadSeeks_()};this.tech_.on("seekablechanged",fixesBadSeeksHandler),this.tech_.on("waiting",waitingHandler),this.tech_.on(timerCancelEvents,cancelTimerHandler),this.tech_.on("canplay",canPlayHandler),this.dispose=function(){_this.logger_("dispose"),_this.tech_.off("seekablechanged",fixesBadSeeksHandler),_this.tech_.off("waiting",waitingHandler),_this.tech_.off(timerCancelEvents,cancelTimerHandler),_this.tech_.off("canplay",canPlayHandler),_this.checkCurrentTimeTimeout_&&window$3.clearTimeout(_this.checkCurrentTimeTimeout_),_this.cancelTimer_()}}return createClass$1(PlaybackWatcher,[{key:"monitorCurrentTime_",value:function(){this.checkCurrentTime_(),this.checkCurrentTimeTimeout_&&window$3.clearTimeout(this.checkCurrentTimeTimeout_),this.checkCurrentTimeTimeout_=window$3.setTimeout(this.monitorCurrentTime_.bind(this),250)}},{key:"checkCurrentTime_",value:function(){if(this.tech_.seeking()&&this.fixesBadSeeks_())return this.consecutiveUpdates=0,void(this.lastRecordedTime=this.tech_.currentTime());if(!this.tech_.paused()&&!this.tech_.seeking()){var currentTime=this.tech_.currentTime(),buffered=this.tech_.buffered();if(this.lastRecordedTime===currentTime&&(!buffered.length||currentTime+.1>=buffered.end(buffered.length-1)))return this.techWaiting_();this.consecutiveUpdates>=5&&currentTime===this.lastRecordedTime?(this.consecutiveUpdates++,this.waiting_()):currentTime===this.lastRecordedTime?this.consecutiveUpdates++:(this.consecutiveUpdates=0,this.lastRecordedTime=currentTime)}}},{key:"cancelTimer_",value:function(){this.consecutiveUpdates=0,this.timer_&&(this.logger_("cancelTimer_"),clearTimeout(this.timer_)),this.timer_=null}},{key:"fixesBadSeeks_",value:function(){if(!this.tech_.seeking())return!1;var seekable=this.seekable(),currentTime=this.tech_.currentTime(),seekTo=void 0;return this.afterSeekableWindow_(seekable,currentTime,this.media(),this.allowSeeksWithinUnsafeLiveWindow)&&(seekTo=seekable.end(seekable.length-1)),this.beforeSeekableWindow_(seekable,currentTime)&&(seekTo=seekable.start(0)+.1),void 0!==seekTo&&(this.logger_("Trying to seek outside of seekable at time "+currentTime+" with seekable range "+printableRange(seekable)+". Seeking to "+seekTo+"."),this.seekTo(seekTo),!0)}},{key:"waiting_",value:function(){if(!this.techWaiting_()){var currentTime=this.tech_.currentTime(),buffered=this.tech_.buffered(),currentRange=findRange(buffered,currentTime);return currentRange.length&&currentTime+3<=currentRange.end(0)?(this.cancelTimer_(),this.seekTo(currentTime),this.logger_("Stopped at "+currentTime+" while inside a buffered region ["+currentRange.start(0)+" -> "+currentRange.end(0)+"]. Attempting to resume playback by seeking to the current time."),void this.tech_.trigger({type:"usage",name:"hls-unknown-waiting"})):void 0}}},{key:"techWaiting_",value:function(){var seekable=this.seekable(),currentTime=this.tech_.currentTime();if(this.tech_.seeking()&&this.fixesBadSeeks_())return!0;if(this.tech_.seeking()||null!==this.timer_)return!0;if(this.beforeSeekableWindow_(seekable,currentTime)){var livePoint=seekable.end(seekable.length-1);return this.logger_("Fell out of live window at time "+currentTime+". Seeking to live point (seekable end) "+livePoint),this.cancelTimer_(),this.seekTo(livePoint),this.tech_.trigger({type:"usage",name:"hls-live-resync"}),!0}var buffered=this.tech_.buffered(),nextRange=findNextRange(buffered,currentTime);if(this.videoUnderflow_(nextRange,buffered,currentTime))return this.cancelTimer_(),this.seekTo(currentTime),this.tech_.trigger({type:"usage",name:"hls-video-underflow"}),!0;if(nextRange.length>0){var difference=nextRange.start(0)-currentTime;return this.logger_("Stopped at "+currentTime+", setting timer for "+difference+", seeking to "+nextRange.start(0)),this.timer_=setTimeout(this.skipTheGap_.bind(this),1e3*difference,currentTime),!0}return!1}},{key:"afterSeekableWindow_",value:function(seekable,currentTime,playlist){var allowSeeksWithinUnsafeLiveWindow=arguments.length>3&&void 0!==arguments[3]&&arguments[3];if(!seekable.length)return!1;var allowedEnd=seekable.end(seekable.length-1)+.1,isLive=!playlist.endList;return isLive&&allowSeeksWithinUnsafeLiveWindow&&(allowedEnd=seekable.end(seekable.length-1)+3*playlist.targetDuration),currentTime>allowedEnd}},{key:"beforeSeekableWindow_",value:function(seekable,currentTime){return!!(seekable.length&&seekable.start(0)>0&&currentTime<seekable.start(0)-.1)}},{key:"videoUnderflow_",value:function(nextRange,buffered,currentTime){if(0===nextRange.length){var gap=this.gapFromVideoUnderflow_(buffered,currentTime);if(gap)return this.logger_("Encountered a gap in video from "+gap.start+" to "+gap.end+". Seeking to current time "+currentTime),!0}return!1}},{key:"skipTheGap_",value:function(scheduledCurrentTime){var buffered=this.tech_.buffered(),currentTime=this.tech_.currentTime(),nextRange=findNextRange(buffered,currentTime);this.cancelTimer_(),0!==nextRange.length&&currentTime===scheduledCurrentTime&&(this.logger_("skipTheGap_:","currentTime:",currentTime,"scheduled currentTime:",scheduledCurrentTime,"nextRange start:",nextRange.start(0)),this.seekTo(nextRange.start(0)+.03333333333333333),this.tech_.trigger({type:"usage",name:"hls-gap-skip"}))}},{key:"gapFromVideoUnderflow_",value:function(buffered,currentTime){for(var gaps=function(buffered){if(buffered.length<2)return videojs$1.createTimeRanges();for(var ranges=[],i=1;i<buffered.length;i++){var start=buffered.end(i-1),end=buffered.start(i);ranges.push([start,end])}return videojs$1.createTimeRanges(ranges)}(buffered),i=0;i<gaps.length;i++){var start=gaps.start(i),end=gaps.end(i);if(currentTime-start<4&&currentTime-start>2)return{start:start,end:end}}return null}}]),PlaybackWatcher}(),defaultOptions={errorInterval:30,getSource:function(next){return next(this.tech({IWillNotUseThisInPlugins:!0}).currentSource_)}},initPlugin=function initPlugin(player,options){var lastCalled=0,seekTo=0,localOptions=videojs$1.mergeOptions(defaultOptions,options);player.ready((function(){player.trigger({type:"usage",name:"hls-error-reload-initialized"})}));var loadedMetadataHandler=function(){seekTo&&player.currentTime(seekTo)},setSource=function(sourceObj){null!=sourceObj&&(seekTo=player.duration()!==1/0&&player.currentTime()||0,player.one("loadedmetadata",loadedMetadataHandler),player.src(sourceObj),player.trigger({type:"usage",name:"hls-error-reload"}),player.play())},errorHandler=function(){if(Date.now()-lastCalled<1e3*localOptions.errorInterval)player.trigger({type:"usage",name:"hls-error-reload-canceled"});else{if(localOptions.getSource&&"function"==typeof localOptions.getSource)return lastCalled=Date.now(),localOptions.getSource.call(player,setSource);videojs$1.log.error("ERROR: reloadSourceOnError - The option getSource must be a function!")}},cleanupEvents=function cleanupEvents(){player.off("loadedmetadata",loadedMetadataHandler),player.off("error",errorHandler),player.off("dispose",cleanupEvents)};player.on("error",errorHandler),player.on("dispose",cleanupEvents),player.reloadSourceOnError=function(newOptions){cleanupEvents(),initPlugin(player,newOptions)}},reloadSourceOnError=function(options){initPlugin(this,options)};videojs$1.use("*",(function(player){return{setSource:function(srcObj,next){next(null,srcObj)},setCurrentTime:function(time){return player.vhs&&player.currentSource().src===player.vhs.source_.src&&player.vhs.setCurrentTime(time),time},play:function(){player.vhs&&player.currentSource().src===player.vhs.source_.src&&player.vhs.setCurrentTime(player.tech_.currentTime())}}}));var Hls$1={PlaylistLoader:PlaylistLoader,Playlist:Playlist,Decrypter:Decrypter,AsyncStream:AsyncStream,decrypt:decrypt,utils:utils$1,STANDARD_PLAYLIST_SELECTOR:function(){return function(master,playerBandwidth,playerWidth,playerHeight,limitRenditionByPlayerDimensions){var sortedPlaylistReps=master.playlists.map((function(playlist){var width,height;return width=playlist.attributes.RESOLUTION&&playlist.attributes.RESOLUTION.width,height=playlist.attributes.RESOLUTION&&playlist.attributes.RESOLUTION.height,{bandwidth:playlist.attributes.BANDWIDTH||window$3.Number.MAX_VALUE,width:width,height:height,playlist:playlist}}));stableSort(sortedPlaylistReps,(function(left,right){return left.bandwidth-right.bandwidth}));var enabledPlaylistReps=(sortedPlaylistReps=sortedPlaylistReps.filter((function(rep){return!Playlist.isIncompatible(rep.playlist)}))).filter((function(rep){return Playlist.isEnabled(rep.playlist)}));enabledPlaylistReps.length||(enabledPlaylistReps=sortedPlaylistReps.filter((function(rep){return!Playlist.isDisabled(rep.playlist)})));var bandwidthPlaylistReps=enabledPlaylistReps.filter((function(rep){return rep.bandwidth*Config.BANDWIDTH_VARIANCE<playerBandwidth})),highestRemainingBandwidthRep=bandwidthPlaylistReps[bandwidthPlaylistReps.length-1],bandwidthBestRep=bandwidthPlaylistReps.filter((function(rep){return rep.bandwidth===highestRemainingBandwidthRep.bandwidth}))[0];if(!1===limitRenditionByPlayerDimensions){var _chosenRep=bandwidthBestRep||enabledPlaylistReps[0]||sortedPlaylistReps[0];return _chosenRep?_chosenRep.playlist:null}var haveResolution=bandwidthPlaylistReps.filter((function(rep){return rep.width&&rep.height}));stableSort(haveResolution,(function(left,right){return left.width-right.width}));var resolutionBestRepList=haveResolution.filter((function(rep){return rep.width===playerWidth&&rep.height===playerHeight}));highestRemainingBandwidthRep=resolutionBestRepList[resolutionBestRepList.length-1];var resolutionBestRep=resolutionBestRepList.filter((function(rep){return rep.bandwidth===highestRemainingBandwidthRep.bandwidth}))[0],resolutionPlusOneList=void 0,resolutionPlusOneSmallest=void 0,resolutionPlusOneRep=void 0;resolutionBestRep||(resolutionPlusOneSmallest=(resolutionPlusOneList=haveResolution.filter((function(rep){return rep.width>playerWidth||rep.height>playerHeight}))).filter((function(rep){return rep.width===resolutionPlusOneList[0].width&&rep.height===resolutionPlusOneList[0].height})),highestRemainingBandwidthRep=resolutionPlusOneSmallest[resolutionPlusOneSmallest.length-1],resolutionPlusOneRep=resolutionPlusOneSmallest.filter((function(rep){return rep.bandwidth===highestRemainingBandwidthRep.bandwidth}))[0]);var chosenRep=resolutionPlusOneRep||resolutionBestRep||bandwidthBestRep||enabledPlaylistReps[0]||sortedPlaylistReps[0];return chosenRep?chosenRep.playlist:null}(this.playlists.master,this.systemBandwidth,parseInt(safeGetComputedStyle(this.tech_.el(),"width"),10),parseInt(safeGetComputedStyle(this.tech_.el(),"height"),10),this.limitRenditionByPlayerDimensions)},INITIAL_PLAYLIST_SELECTOR:function(){var playlists=this.playlists.master.playlists.filter(Playlist.isEnabled);return stableSort(playlists,(function(a,b){return comparePlaylistBandwidth(a,b)})),playlists.filter((function(playlist){return parseCodecs(playlist.attributes.CODECS).videoCodec}))[0]||null},comparePlaylistBandwidth:comparePlaylistBandwidth,comparePlaylistResolution:function(left,right){var leftWidth=void 0,rightWidth=void 0;return left.attributes.RESOLUTION&&left.attributes.RESOLUTION.width&&(leftWidth=left.attributes.RESOLUTION.width),leftWidth=leftWidth||window$3.Number.MAX_VALUE,right.attributes.RESOLUTION&&right.attributes.RESOLUTION.width&&(rightWidth=right.attributes.RESOLUTION.width),leftWidth===(rightWidth=rightWidth||window$3.Number.MAX_VALUE)&&left.attributes.BANDWIDTH&&right.attributes.BANDWIDTH?left.attributes.BANDWIDTH-right.attributes.BANDWIDTH:leftWidth-rightWidth},xhr:xhrFactory()};["GOAL_BUFFER_LENGTH","MAX_GOAL_BUFFER_LENGTH","GOAL_BUFFER_LENGTH_RATE","BUFFER_LOW_WATER_LINE","MAX_BUFFER_LOW_WATER_LINE","BUFFER_LOW_WATER_LINE_RATE","BANDWIDTH_VARIANCE"].forEach((function(prop){Object.defineProperty(Hls$1,prop,{get:function(){return videojs$1.log.warn("using Hls."+prop+" is UNSAFE be sure you know what you are doing"),Config[prop]},set:function(value){videojs$1.log.warn("using Hls."+prop+" is UNSAFE be sure you know what you are doing"),"number"!=typeof value||value<0?videojs$1.log.warn("value of Hls."+prop+" must be greater than or equal to 0"):Config[prop]=value}})}));var simpleTypeFromSourceType=function(type){return/^(audio|video|application)\/(x-|vnd\.apple\.)?mpegurl/i.test(type)?"hls":/^application\/dash\+xml/i.test(type)?"dash":null},handleHlsMediaChange=function(qualityLevels,playlistLoader){for(var newPlaylist=playlistLoader.media(),selectedIndex=-1,i=0;i<qualityLevels.length;i++)if(qualityLevels[i].id===newPlaylist.id){selectedIndex=i;break}qualityLevels.selectedIndex_=selectedIndex,qualityLevels.trigger({selectedIndex:selectedIndex,type:"change"})};Hls$1.canPlaySource=function(){return videojs$1.log.warn("HLS is no longer a tech. Please remove it from your player's techOrder.")};var video,setupEmeOptions=function(hlsHandler){var mainSegmentLoader=hlsHandler.masterPlaylistController_.mainSegmentLoader_,audioSegmentLoader=hlsHandler.masterPlaylistController_.audioSegmentLoader_,player=videojs$1.players[hlsHandler.tech_.options_.playerId];if(player.eme){var sourceOptions=function(keySystemOptions,mainSegmentLoader,audioSegmentLoader){if(!keySystemOptions)return keySystemOptions;var videoMimeType=void 0,audioMimeType=void 0;if(audioSegmentLoader.mimeType_)videoMimeType=mainSegmentLoader.mimeType_,audioMimeType=audioSegmentLoader.mimeType_;else{var parsedMimeType=parseContentType(mainSegmentLoader.mimeType_),codecs=parsedMimeType.parameters.codecs.split(","),audioCodec=void 0,videoCodec=void 0;codecs.forEach((function(codec){codec=codec.trim(),isAudioCodec(codec)?audioCodec=codec:isVideoCodec(codec)&&(videoCodec=codec)})),videoMimeType=parsedMimeType.type+'; codecs="'+videoCodec+'"',audioMimeType=parsedMimeType.type.replace("video","audio")+'; codecs="'+audioCodec+'"'}var keySystemContentTypes={},videoPlaylist=mainSegmentLoader.playlist_;for(var keySystem in keySystemOptions)keySystemContentTypes[keySystem]={audioContentType:audioMimeType,videoContentType:videoMimeType},videoPlaylist.contentProtection&&videoPlaylist.contentProtection[keySystem]&&videoPlaylist.contentProtection[keySystem].pssh&&(keySystemContentTypes[keySystem].pssh=videoPlaylist.contentProtection[keySystem].pssh),"string"==typeof keySystemOptions[keySystem]&&(keySystemContentTypes[keySystem].url=keySystemOptions[keySystem]);return videojs$1.mergeOptions(keySystemOptions,keySystemContentTypes)}(hlsHandler.source_.keySystems,mainSegmentLoader,audioSegmentLoader);sourceOptions&&(player.currentSource().keySystems=sourceOptions,11!==videojs$1.browser.IE_VERSION&&player.eme.initializeMediaKeys&&player.eme.initializeMediaKeys())}},getVhsLocalStorage=function(){if(!window.localStorage)return null;var storedObject=window.localStorage.getItem("videojs-vhs");if(!storedObject)return null;try{return JSON.parse(storedObject)}catch(e){return null}};Hls$1.supportsNativeHls=(video=document.createElement("video"),!!videojs$1.getTech("Html5").isSupported()&&["application/vnd.apple.mpegurl","audio/mpegurl","audio/x-mpegurl","application/x-mpegurl","video/x-mpegurl","video/mpegurl","application/mpegurl"].some((function(canItPlay){return/maybe|probably/i.test(video.canPlayType(canItPlay))}))),Hls$1.supportsNativeDash=!!videojs$1.getTech("Html5").isSupported()&&/maybe|probably/i.test(document.createElement("video").canPlayType("application/dash+xml")),Hls$1.supportsTypeNatively=function(type){return"hls"===type?Hls$1.supportsNativeHls:"dash"===type&&Hls$1.supportsNativeDash},Hls$1.isSupported=function(){return videojs$1.log.warn("HLS is no longer a tech. Please remove it from your player's techOrder.")};var HlsHandler=function(_Component){function HlsHandler(source,tech,options){classCallCheck$1(this,HlsHandler);var _this=possibleConstructorReturn$1(this,(HlsHandler.__proto__||Object.getPrototypeOf(HlsHandler)).call(this,tech,options.hls));if(tech.options_&&tech.options_.playerId){var _player=videojs$1(tech.options_.playerId);_player.hasOwnProperty("hls")||Object.defineProperty(_player,"hls",{get:function(){return videojs$1.log.warn("player.hls is deprecated. Use player.tech().hls instead."),tech.trigger({type:"usage",name:"hls-player-access"}),_this},configurable:!0}),_player.vhs=_this,_player.dash=_this,_this.player_=_player}if(_this.tech_=tech,_this.source_=source,_this.stats={},_this.setOptions_(),_this.options_.overrideNative&&tech.overrideNativeAudioTracks&&tech.overrideNativeVideoTracks)tech.overrideNativeAudioTracks(!0),tech.overrideNativeVideoTracks(!0);else if(_this.options_.overrideNative&&(tech.featuresNativeVideoTracks||tech.featuresNativeAudioTracks))throw new Error("Overriding native HLS requires emulated tracks. See https://git.io/vMpjB");return _this.on(document,["fullscreenchange","webkitfullscreenchange","mozfullscreenchange","MSFullscreenChange"],(function(event){var fullscreenElement=document.fullscreenElement||document.webkitFullscreenElement||document.mozFullScreenElement||document.msFullscreenElement;fullscreenElement&&fullscreenElement.contains(_this.tech_.el())&&_this.masterPlaylistController_.smoothQualityChange_()})),_this.on(_this.tech_,"seeking",(function(){0===this.tech_.currentTime()&&this.tech_.player_.loop()&&this.setCurrentTime(0)})),_this.on(_this.tech_,"error",(function(){this.masterPlaylistController_&&this.masterPlaylistController_.pauseLoading()})),_this.on(_this.tech_,"play",_this.play),_this}return inherits$2(HlsHandler,_Component),createClass$1(HlsHandler,[{key:"setOptions_",value:function(){var _this2=this;if(this.options_.withCredentials=this.options_.withCredentials||!1,this.options_.handleManifestRedirects=this.options_.handleManifestRedirects||!1,this.options_.limitRenditionByPlayerDimensions=!1!==this.options_.limitRenditionByPlayerDimensions,this.options_.smoothQualityChange=this.options_.smoothQualityChange||!1,this.options_.useBandwidthFromLocalStorage=void 0!==this.source_.useBandwidthFromLocalStorage?this.source_.useBandwidthFromLocalStorage:this.options_.useBandwidthFromLocalStorage||!1,this.options_.customTagParsers=this.options_.customTagParsers||[],this.options_.customTagMappers=this.options_.customTagMappers||[],this.options_.cacheEncryptionKeys=this.options_.cacheEncryptionKeys||!1,"number"!=typeof this.options_.blacklistDuration&&(this.options_.blacklistDuration=300),"number"!=typeof this.options_.bandwidth&&this.options_.useBandwidthFromLocalStorage){var storedObject=getVhsLocalStorage();storedObject&&storedObject.bandwidth&&(this.options_.bandwidth=storedObject.bandwidth,this.tech_.trigger({type:"usage",name:"hls-bandwidth-from-local-storage"})),storedObject&&storedObject.throughput&&(this.options_.throughput=storedObject.throughput,this.tech_.trigger({type:"usage",name:"hls-throughput-from-local-storage"}))}"number"!=typeof this.options_.bandwidth&&(this.options_.bandwidth=Config.INITIAL_BANDWIDTH),this.options_.enableLowInitialPlaylist=this.options_.enableLowInitialPlaylist&&this.options_.bandwidth===Config.INITIAL_BANDWIDTH,["withCredentials","limitRenditionByPlayerDimensions","bandwidth","smoothQualityChange","customTagParsers","customTagMappers","handleManifestRedirects","cacheEncryptionKeys"].forEach((function(option){void 0!==_this2.source_[option]&&(_this2.options_[option]=_this2.source_[option])})),this.limitRenditionByPlayerDimensions=this.options_.limitRenditionByPlayerDimensions}},{key:"src",value:function(_src,type){var _this3=this;_src&&(this.setOptions_(),this.options_.url=this.source_.src,this.options_.tech=this.tech_,this.options_.externHls=Hls$1,this.options_.sourceType=simpleTypeFromSourceType(type),this.options_.seekTo=function(time){_this3.tech_.setCurrentTime(time),_this3.setCurrentTime(time)},this.masterPlaylistController_=new MasterPlaylistController(this.options_),this.playbackWatcher_=new PlaybackWatcher(videojs$1.mergeOptions(this.options_,{seekable:function(){return _this3.seekable()},media:function(){return _this3.masterPlaylistController_.media()}})),this.masterPlaylistController_.on("error",(function(){videojs$1.players[_this3.tech_.options_.playerId].error(_this3.masterPlaylistController_.error)})),this.masterPlaylistController_.selectPlaylist=this.selectPlaylist?this.selectPlaylist.bind(this):Hls$1.STANDARD_PLAYLIST_SELECTOR.bind(this),this.masterPlaylistController_.selectInitialPlaylist=Hls$1.INITIAL_PLAYLIST_SELECTOR.bind(this),this.playlists=this.masterPlaylistController_.masterPlaylistLoader_,this.mediaSource=this.masterPlaylistController_.mediaSource,Object.defineProperties(this,{selectPlaylist:{get:function(){return this.masterPlaylistController_.selectPlaylist},set:function(selectPlaylist){this.masterPlaylistController_.selectPlaylist=selectPlaylist.bind(this)}},throughput:{get:function(){return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate},set:function(throughput){this.masterPlaylistController_.mainSegmentLoader_.throughput.rate=throughput,this.masterPlaylistController_.mainSegmentLoader_.throughput.count=1}},bandwidth:{get:function(){return this.masterPlaylistController_.mainSegmentLoader_.bandwidth},set:function(bandwidth){this.masterPlaylistController_.mainSegmentLoader_.bandwidth=bandwidth,this.masterPlaylistController_.mainSegmentLoader_.throughput={rate:0,count:0}}},systemBandwidth:{get:function(){var invBandwidth=1/(this.bandwidth||1),invThroughput=void 0;return invThroughput=this.throughput>0?1/this.throughput:0,Math.floor(1/(invBandwidth+invThroughput))},set:function(){videojs$1.log.error('The "systemBandwidth" property is read-only')}}}),this.options_.bandwidth&&(this.bandwidth=this.options_.bandwidth),this.options_.throughput&&(this.throughput=this.options_.throughput),Object.defineProperties(this.stats,{bandwidth:{get:function(){return _this3.bandwidth||0},enumerable:!0},mediaRequests:{get:function(){return _this3.masterPlaylistController_.mediaRequests_()||0},enumerable:!0},mediaRequestsAborted:{get:function(){return _this3.masterPlaylistController_.mediaRequestsAborted_()||0},enumerable:!0},mediaRequestsTimedout:{get:function(){return _this3.masterPlaylistController_.mediaRequestsTimedout_()||0},enumerable:!0},mediaRequestsErrored:{get:function(){return _this3.masterPlaylistController_.mediaRequestsErrored_()||0},enumerable:!0},mediaTransferDuration:{get:function(){return _this3.masterPlaylistController_.mediaTransferDuration_()||0},enumerable:!0},mediaBytesTransferred:{get:function(){return _this3.masterPlaylistController_.mediaBytesTransferred_()||0},enumerable:!0},mediaSecondsLoaded:{get:function(){return _this3.masterPlaylistController_.mediaSecondsLoaded_()||0},enumerable:!0},buffered:{get:function(){return timeRangesToArray(_this3.tech_.buffered())},enumerable:!0},currentTime:{get:function(){return _this3.tech_.currentTime()},enumerable:!0},currentSource:{get:function(){return _this3.tech_.currentSource_},enumerable:!0},currentTech:{get:function(){return _this3.tech_.name_},enumerable:!0},duration:{get:function(){return _this3.tech_.duration()},enumerable:!0},master:{get:function(){return _this3.playlists.master},enumerable:!0},playerDimensions:{get:function(){return _this3.tech_.currentDimensions()},enumerable:!0},seekable:{get:function(){return timeRangesToArray(_this3.tech_.seekable())},enumerable:!0},timestamp:{get:function(){return Date.now()},enumerable:!0},videoPlaybackQuality:{get:function(){return _this3.tech_.getVideoPlaybackQuality()},enumerable:!0}}),this.tech_.one("canplay",this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_)),this.tech_.on("bandwidthupdate",(function(){_this3.options_.useBandwidthFromLocalStorage&&function(options){if(!window.localStorage)return!1;var objectToStore=getVhsLocalStorage();objectToStore=objectToStore?videojs$1.mergeOptions(objectToStore,options):options;try{window.localStorage.setItem("videojs-vhs",JSON.stringify(objectToStore))}catch(e){return!1}}({bandwidth:_this3.bandwidth,throughput:Math.round(_this3.throughput)})})),this.masterPlaylistController_.on("selectedinitialmedia",(function(){var hlsHandler,playlists;playlists=(hlsHandler=_this3).playlists,hlsHandler.representations=function(){return playlists&&playlists.master&&playlists.master.playlists?playlists.master.playlists.filter((function(media){return!isIncompatible(media)})).map((function(e,i){return new Representation(hlsHandler,e,e.id)})):[]},setupEmeOptions(_this3)})),this.on(this.masterPlaylistController_,"progress",(function(){this.tech_.trigger("progress")})),this.setupQualityLevels_(),this.tech_.el()&&this.tech_.src(videojs$1.URL.createObjectURL(this.masterPlaylistController_.mediaSource)))}},{key:"setupQualityLevels_",value:function(){var _this4=this,player=videojs$1.players[this.tech_.options_.playerId];player&&player.qualityLevels&&!this.qualityLevels_&&(this.qualityLevels_=player.qualityLevels(),this.masterPlaylistController_.on("selectedinitialmedia",(function(){var qualityLevels,hls;qualityLevels=_this4.qualityLevels_,(hls=_this4).representations().forEach((function(rep){qualityLevels.addQualityLevel(rep)})),handleHlsMediaChange(qualityLevels,hls.playlists)})),this.playlists.on("mediachange",(function(){handleHlsMediaChange(_this4.qualityLevels_,_this4.playlists)})))}},{key:"play",value:function(){this.masterPlaylistController_.play()}},{key:"setCurrentTime",value:function(currentTime){this.masterPlaylistController_.setCurrentTime(currentTime)}},{key:"duration",value:function(){return this.masterPlaylistController_.duration()}},{key:"seekable",value:function(){return this.masterPlaylistController_.seekable()}},{key:"dispose",value:function(){this.playbackWatcher_&&this.playbackWatcher_.dispose(),this.masterPlaylistController_&&this.masterPlaylistController_.dispose(),this.qualityLevels_&&this.qualityLevels_.dispose(),this.player_&&(delete this.player_.vhs,delete this.player_.dash,delete this.player_.hls),this.tech_&&this.tech_.hls&&delete this.tech_.hls,get$1(HlsHandler.prototype.__proto__||Object.getPrototypeOf(HlsHandler.prototype),"dispose",this).call(this)}},{key:"convertToProgramTime",value:function(time,callback){return getProgramTime({playlist:this.masterPlaylistController_.media(),time:time,callback:callback})}},{key:"seekToProgramTime",value:function(programTime,callback){var pauseAfterSeek=!(arguments.length>2&&void 0!==arguments[2])||arguments[2],retryCount=arguments.length>3&&void 0!==arguments[3]?arguments[3]:2;return seekToProgramTime({programTime:programTime,playlist:this.masterPlaylistController_.media(),retryCount:retryCount,pauseAfterSeek:pauseAfterSeek,seekTo:this.options_.seekTo,tech:this.options_.tech,callback:callback})}}]),HlsHandler}(videojs$1.getComponent("Component")),HlsSourceHandler={name:"videojs-http-streaming",VERSION:"1.12.3",canHandleSource:function(srcObj){var options=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},localOptions=videojs$1.mergeOptions(videojs$1.options,options);return HlsSourceHandler.canPlayType(srcObj.type,localOptions)},handleSource:function(source,tech){var options=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},localOptions=videojs$1.mergeOptions(videojs$1.options,options);return tech.hls=new HlsHandler(source,tech,localOptions),tech.hls.xhr=xhrFactory(),tech.hls.src(source.src,source.type),tech.hls},canPlayType:function(type){var options=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},_videojs$mergeOptions=videojs$1.mergeOptions(videojs$1.options,options),overrideNative=_videojs$mergeOptions.hls.overrideNative,supportedType=simpleTypeFromSourceType(type),canUseMsePlayback=supportedType&&(!Hls$1.supportsTypeNatively(supportedType)||overrideNative);return canUseMsePlayback?"maybe":""}};return void 0!==videojs$1.MediaSource&&void 0!==videojs$1.URL||(videojs$1.MediaSource=MediaSource,videojs$1.URL=URL$1),MediaSource.supportsNativeMediaSources()&&videojs$1.getTech("Html5").registerSourceHandler(HlsSourceHandler,0),videojs$1.HlsHandler=HlsHandler,videojs$1.HlsSourceHandler=HlsSourceHandler,videojs$1.Hls=Hls$1,videojs$1.use||videojs$1.registerComponent("Hls",Hls$1),videojs$1.options.hls=videojs$1.options.hls||{},videojs$1.registerPlugin?videojs$1.registerPlugin("reloadSourceOnError",reloadSourceOnError):videojs$1.plugin("reloadSourceOnError",reloadSourceOnError),videojs$1},"object"===("undefined"==typeof exports?"undefined":_typeof2(exports))&&"undefined"!=typeof module?module.exports=factory(require("global/window"),require("global/document")):"function"==typeof define&&define.amd?define("media_videojs/video-lazy",["./window","./document"],factory):(global=global||self).videojs=factory(global.window,global.document);
+
+//# sourceMappingURL=video-lazy.min.js.map
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/video-lazy.min.js.map b/media/player/videojs/amd/build/video-lazy.min.js.map
index 17f933d1555..97f1897897d 100644
--- a/media/player/videojs/amd/build/video-lazy.min.js.map
+++ b/media/player/videojs/amd/build/video-lazy.min.js.map
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* @license\n * Video.js 7.7.6 <http://videojs.com/>\n * Copyright Brightcove, Inc. <https://www.brightcove.com/>\n * Available under Apache License Version 2.0\n * <https://github.com/videojs/video.js/blob/master/LICENSE>\n *\n * Includes vtt.js <https://github.com/mozilla/vtt.js>\n * Available under Apache License Version 2.0\n * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>\n */\n\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('global/window'), require('global/document')) :\n  typeof define === 'function' && define.amd ? define(['./window', './document'], factory) :\n  (global = global || self, global.videojs = factory(global.window, global.document));\n}(this, function (window$3, document) { 'use strict';\n\n  window$3 = window$3 && window$3.hasOwnProperty('default') ? window$3['default'] : window$3;\n  document = document && document.hasOwnProperty('default') ? document['default'] : document;\n\n  var version = \"7.7.6\";\n\n  /**\n   * @file create-logger.js\n   * @module create-logger\n   */\n\n  var history = [];\n  /**\n   * Log messages to the console and history based on the type of message\n   *\n   * @private\n   * @param  {string} type\n   *         The name of the console method to use.\n   *\n   * @param  {Array} args\n   *         The arguments to be passed to the matching console method.\n   */\n\n  var LogByTypeFactory = function LogByTypeFactory(name, log) {\n    return function (type, level, args) {\n      var lvl = log.levels[level];\n      var lvlRegExp = new RegExp(\"^(\" + lvl + \")$\");\n\n      if (type !== 'log') {\n        // Add the type to the front of the message when it's not \"log\".\n        args.unshift(type.toUpperCase() + ':');\n      } // Add console prefix after adding to history.\n\n\n      args.unshift(name + ':'); // Add a clone of the args at this point to history.\n\n      if (history) {\n        history.push([].concat(args)); // only store 1000 history entries\n\n        var splice = history.length - 1000;\n        history.splice(0, splice > 0 ? splice : 0);\n      } // If there's no console then don't try to output messages, but they will\n      // still be stored in history.\n\n\n      if (!window$3.console) {\n        return;\n      } // Was setting these once outside of this function, but containing them\n      // in the function makes it easier to test cases where console doesn't exist\n      // when the module is executed.\n\n\n      var fn = window$3.console[type];\n\n      if (!fn && type === 'debug') {\n        // Certain browsers don't have support for console.debug. For those, we\n        // should default to the closest comparable log.\n        fn = window$3.console.info || window$3.console.log;\n      } // Bail out if there's no console or if this type is not allowed by the\n      // current logging level.\n\n\n      if (!fn || !lvl || !lvlRegExp.test(type)) {\n        return;\n      }\n\n      fn[Array.isArray(args) ? 'apply' : 'call'](window$3.console, args);\n    };\n  };\n\n  function createLogger(name) {\n    // This is the private tracking variable for logging level.\n    var level = 'info'; // the curried logByType bound to the specific log and history\n\n    var logByType;\n    /**\n     * Logs plain debug messages. Similar to `console.log`.\n     *\n     * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)\n     * of our JSDoc template, we cannot properly document this as both a function\n     * and a namespace, so its function signature is documented here.\n     *\n     * #### Arguments\n     * ##### *args\n     * Mixed[]\n     *\n     * Any combination of values that could be passed to `console.log()`.\n     *\n     * #### Return Value\n     *\n     * `undefined`\n     *\n     * @namespace\n     * @param    {Mixed[]} args\n     *           One or more messages or objects that should be logged.\n     */\n\n    var log = function log() {\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      logByType('log', level, args);\n    }; // This is the logByType helper that the logging methods below use\n\n\n    logByType = LogByTypeFactory(name, log);\n    /**\n     * Create a new sublogger which chains the old name to the new name.\n     *\n     * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following:\n     * ```js\n     *  mylogger('foo');\n     *  // > VIDEOJS: player: foo\n     * ```\n     *\n     * @param {string} name\n     *        The name to add call the new logger\n     * @return {Object}\n     */\n\n    log.createLogger = function (subname) {\n      return createLogger(name + ': ' + subname);\n    };\n    /**\n     * Enumeration of available logging levels, where the keys are the level names\n     * and the values are `|`-separated strings containing logging methods allowed\n     * in that logging level. These strings are used to create a regular expression\n     * matching the function name being called.\n     *\n     * Levels provided by Video.js are:\n     *\n     * - `off`: Matches no calls. Any value that can be cast to `false` will have\n     *   this effect. The most restrictive.\n     * - `all`: Matches only Video.js-provided functions (`debug`, `log`,\n     *   `log.warn`, and `log.error`).\n     * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.\n     * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.\n     * - `warn`: Matches `log.warn` and `log.error` calls.\n     * - `error`: Matches only `log.error` calls.\n     *\n     * @type {Object}\n     */\n\n\n    log.levels = {\n      all: 'debug|log|warn|error',\n      off: '',\n      debug: 'debug|log|warn|error',\n      info: 'log|warn|error',\n      warn: 'warn|error',\n      error: 'error',\n      DEFAULT: level\n    };\n    /**\n     * Get or set the current logging level.\n     *\n     * If a string matching a key from {@link module:log.levels} is provided, acts\n     * as a setter.\n     *\n     * @param  {string} [lvl]\n     *         Pass a valid level to set a new logging level.\n     *\n     * @return {string}\n     *         The current logging level.\n     */\n\n    log.level = function (lvl) {\n      if (typeof lvl === 'string') {\n        if (!log.levels.hasOwnProperty(lvl)) {\n          throw new Error(\"\\\"\" + lvl + \"\\\" in not a valid log level\");\n        }\n\n        level = lvl;\n      }\n\n      return level;\n    };\n    /**\n     * Returns an array containing everything that has been logged to the history.\n     *\n     * This array is a shallow clone of the internal history record. However, its\n     * contents are _not_ cloned; so, mutating objects inside this array will\n     * mutate them in history.\n     *\n     * @return {Array}\n     */\n\n\n    log.history = function () {\n      return history ? [].concat(history) : [];\n    };\n    /**\n     * Allows you to filter the history by the given logger name\n     *\n     * @param {string} fname\n     *        The name to filter by\n     *\n     * @return {Array}\n     *         The filtered list to return\n     */\n\n\n    log.history.filter = function (fname) {\n      return (history || []).filter(function (historyItem) {\n        // if the first item in each historyItem includes `fname`, then it's a match\n        return new RegExp(\".*\" + fname + \".*\").test(historyItem[0]);\n      });\n    };\n    /**\n     * Clears the internal history tracking, but does not prevent further history\n     * tracking.\n     */\n\n\n    log.history.clear = function () {\n      if (history) {\n        history.length = 0;\n      }\n    };\n    /**\n     * Disable history tracking if it is currently enabled.\n     */\n\n\n    log.history.disable = function () {\n      if (history !== null) {\n        history.length = 0;\n        history = null;\n      }\n    };\n    /**\n     * Enable history tracking if it is currently disabled.\n     */\n\n\n    log.history.enable = function () {\n      if (history === null) {\n        history = [];\n      }\n    };\n    /**\n     * Logs error messages. Similar to `console.error`.\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as an error\n     */\n\n\n    log.error = function () {\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      return logByType('error', level, args);\n    };\n    /**\n     * Logs warning messages. Similar to `console.warn`.\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as a warning.\n     */\n\n\n    log.warn = function () {\n      for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n        args[_key3] = arguments[_key3];\n      }\n\n      return logByType('warn', level, args);\n    };\n    /**\n     * Logs debug messages. Similar to `console.debug`, but may also act as a comparable\n     * log if `console.debug` is not available\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as debug.\n     */\n\n\n    log.debug = function () {\n      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n        args[_key4] = arguments[_key4];\n      }\n\n      return logByType('debug', level, args);\n    };\n\n    return log;\n  }\n\n  /**\n   * @file log.js\n   * @module log\n   */\n  var log = createLogger('VIDEOJS');\n  var createLogger$1 = log.createLogger;\n\n  function createCommonjsModule(fn, module) {\n  \treturn module = { exports: {} }, fn(module, module.exports), module.exports;\n  }\n\n  var _extends_1 = createCommonjsModule(function (module) {\n    function _extends() {\n      module.exports = _extends = Object.assign || function (target) {\n        for (var i = 1; i < arguments.length; i++) {\n          var source = arguments[i];\n\n          for (var key in source) {\n            if (Object.prototype.hasOwnProperty.call(source, key)) {\n              target[key] = source[key];\n            }\n          }\n        }\n\n        return target;\n      };\n\n      return _extends.apply(this, arguments);\n    }\n\n    module.exports = _extends;\n  });\n\n  /**\n   * @file obj.js\n   * @module obj\n   */\n\n  /**\n   * @callback obj:EachCallback\n   *\n   * @param {Mixed} value\n   *        The current key for the object that is being iterated over.\n   *\n   * @param {string} key\n   *        The current key-value for object that is being iterated over\n   */\n\n  /**\n   * @callback obj:ReduceCallback\n   *\n   * @param {Mixed} accum\n   *        The value that is accumulating over the reduce loop.\n   *\n   * @param {Mixed} value\n   *        The current key for the object that is being iterated over.\n   *\n   * @param {string} key\n   *        The current key-value for object that is being iterated over\n   *\n   * @return {Mixed}\n   *         The new accumulated value.\n   */\n  var toString = Object.prototype.toString;\n  /**\n   * Get the keys of an Object\n   *\n   * @param {Object}\n   *        The Object to get the keys from\n   *\n   * @return {string[]}\n   *         An array of the keys from the object. Returns an empty array if the\n   *         object passed in was invalid or had no keys.\n   *\n   * @private\n   */\n\n  var keys = function keys(object) {\n    return isObject(object) ? Object.keys(object) : [];\n  };\n  /**\n   * Array-like iteration for objects.\n   *\n   * @param {Object} object\n   *        The object to iterate over\n   *\n   * @param {obj:EachCallback} fn\n   *        The callback function which is called for each key in the object.\n   */\n\n\n  function each(object, fn) {\n    keys(object).forEach(function (key) {\n      return fn(object[key], key);\n    });\n  }\n  /**\n   * Array-like reduce for objects.\n   *\n   * @param {Object} object\n   *        The Object that you want to reduce.\n   *\n   * @param {Function} fn\n   *         A callback function which is called for each key in the object. It\n   *         receives the accumulated value and the per-iteration value and key\n   *         as arguments.\n   *\n   * @param {Mixed} [initial = 0]\n   *        Starting value\n   *\n   * @return {Mixed}\n   *         The final accumulated value.\n   */\n\n  function reduce(object, fn, initial) {\n    if (initial === void 0) {\n      initial = 0;\n    }\n\n    return keys(object).reduce(function (accum, key) {\n      return fn(accum, object[key], key);\n    }, initial);\n  }\n  /**\n   * Object.assign-style object shallow merge/extend.\n   *\n   * @param  {Object} target\n   * @param  {Object} ...sources\n   * @return {Object}\n   */\n\n  function assign(target) {\n    for (var _len = arguments.length, sources = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n      sources[_key - 1] = arguments[_key];\n    }\n\n    if (Object.assign) {\n      return _extends_1.apply(void 0, [target].concat(sources));\n    }\n\n    sources.forEach(function (source) {\n      if (!source) {\n        return;\n      }\n\n      each(source, function (value, key) {\n        target[key] = value;\n      });\n    });\n    return target;\n  }\n  /**\n   * Returns whether a value is an object of any kind - including DOM nodes,\n   * arrays, regular expressions, etc. Not functions, though.\n   *\n   * This avoids the gotcha where using `typeof` on a `null` value\n   * results in `'object'`.\n   *\n   * @param  {Object} value\n   * @return {boolean}\n   */\n\n  function isObject(value) {\n    return !!value && typeof value === 'object';\n  }\n  /**\n   * Returns whether an object appears to be a \"plain\" object - that is, a\n   * direct instance of `Object`.\n   *\n   * @param  {Object} value\n   * @return {boolean}\n   */\n\n  function isPlain(value) {\n    return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;\n  }\n\n  /**\n   * @file computed-style.js\n   * @module computed-style\n   */\n  /**\n   * A safe getComputedStyle.\n   *\n   * This is needed because in Firefox, if the player is loaded in an iframe with\n   * `display:none`, then `getComputedStyle` returns `null`, so, we do a\n   * null-check to make sure that the player doesn't break in these cases.\n   *\n   * @function\n   * @param    {Element} el\n   *           The element you want the computed style of\n   *\n   * @param    {string} prop\n   *           The property name you want\n   *\n   * @see      https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n   */\n\n  function computedStyle(el, prop) {\n    if (!el || !prop) {\n      return '';\n    }\n\n    if (typeof window$3.getComputedStyle === 'function') {\n      var computedStyleValue = window$3.getComputedStyle(el);\n      return computedStyleValue ? computedStyleValue.getPropertyValue(prop) || computedStyleValue[prop] : '';\n    }\n\n    return '';\n  }\n\n  /**\n   * @file dom.js\n   * @module dom\n   */\n  /**\n   * Detect if a value is a string with any non-whitespace characters.\n   *\n   * @private\n   * @param  {string} str\n   *         The string to check\n   *\n   * @return {boolean}\n   *         Will be `true` if the string is non-blank, `false` otherwise.\n   *\n   */\n\n  function isNonBlankString(str) {\n    // we use str.trim as it will trim any whitespace characters\n    // from the front or back of non-whitespace characters. aka\n    // Any string that contains non-whitespace characters will\n    // still contain them after `trim` but whitespace only strings\n    // will have a length of 0, failing this check.\n    return typeof str === 'string' && Boolean(str.trim());\n  }\n  /**\n   * Throws an error if the passed string has whitespace. This is used by\n   * class methods to be relatively consistent with the classList API.\n   *\n   * @private\n   * @param  {string} str\n   *         The string to check for whitespace.\n   *\n   * @throws {Error}\n   *         Throws an error if there is whitespace in the string.\n   */\n\n\n  function throwIfWhitespace(str) {\n    // str.indexOf instead of regex because str.indexOf is faster performance wise.\n    if (str.indexOf(' ') >= 0) {\n      throw new Error('class has illegal whitespace characters');\n    }\n  }\n  /**\n   * Produce a regular expression for matching a className within an elements className.\n   *\n   * @private\n   * @param  {string} className\n   *         The className to generate the RegExp for.\n   *\n   * @return {RegExp}\n   *         The RegExp that will check for a specific `className` in an elements\n   *         className.\n   */\n\n\n  function classRegExp(className) {\n    return new RegExp('(^|\\\\s)' + className + '($|\\\\s)');\n  }\n  /**\n   * Whether the current DOM interface appears to be real (i.e. not simulated).\n   *\n   * @return {boolean}\n   *         Will be `true` if the DOM appears to be real, `false` otherwise.\n   */\n\n\n  function isReal() {\n    // Both document and window will never be undefined thanks to `global`.\n    return document === window$3.document;\n  }\n  /**\n   * Determines, via duck typing, whether or not a value is a DOM element.\n   *\n   * @param  {Mixed} value\n   *         The value to check.\n   *\n   * @return {boolean}\n   *         Will be `true` if the value is a DOM element, `false` otherwise.\n   */\n\n  function isEl(value) {\n    return isObject(value) && value.nodeType === 1;\n  }\n  /**\n   * Determines if the current DOM is embedded in an iframe.\n   *\n   * @return {boolean}\n   *         Will be `true` if the DOM is embedded in an iframe, `false`\n   *         otherwise.\n   */\n\n  function isInFrame() {\n    // We need a try/catch here because Safari will throw errors when attempting\n    // to get either `parent` or `self`\n    try {\n      return window$3.parent !== window$3.self;\n    } catch (x) {\n      return true;\n    }\n  }\n  /**\n   * Creates functions to query the DOM using a given method.\n   *\n   * @private\n   * @param   {string} method\n   *          The method to create the query with.\n   *\n   * @return  {Function}\n   *          The query method\n   */\n\n  function createQuerier(method) {\n    return function (selector, context) {\n      if (!isNonBlankString(selector)) {\n        return document[method](null);\n      }\n\n      if (isNonBlankString(context)) {\n        context = document.querySelector(context);\n      }\n\n      var ctx = isEl(context) ? context : document;\n      return ctx[method] && ctx[method](selector);\n    };\n  }\n  /**\n   * Creates an element and applies properties, attributes, and inserts content.\n   *\n   * @param  {string} [tagName='div']\n   *         Name of tag to be created.\n   *\n   * @param  {Object} [properties={}]\n   *         Element properties to be applied.\n   *\n   * @param  {Object} [attributes={}]\n   *         Element attributes to be applied.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor object.\n   *\n   * @return {Element}\n   *         The element that was created.\n   */\n\n\n  function createEl(tagName, properties, attributes, content) {\n    if (tagName === void 0) {\n      tagName = 'div';\n    }\n\n    if (properties === void 0) {\n      properties = {};\n    }\n\n    if (attributes === void 0) {\n      attributes = {};\n    }\n\n    var el = document.createElement(tagName);\n    Object.getOwnPropertyNames(properties).forEach(function (propName) {\n      var val = properties[propName]; // See #2176\n      // We originally were accepting both properties and attributes in the\n      // same object, but that doesn't work so well.\n\n      if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {\n        log.warn('Setting attributes in the second argument of createEl()\\n' + 'has been deprecated. Use the third argument instead.\\n' + (\"createEl(type, properties, attributes). Attempting to set \" + propName + \" to \" + val + \".\"));\n        el.setAttribute(propName, val); // Handle textContent since it's not supported everywhere and we have a\n        // method for it.\n      } else if (propName === 'textContent') {\n        textContent(el, val);\n      } else if (el[propName] !== val) {\n        el[propName] = val;\n      }\n    });\n    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {\n      el.setAttribute(attrName, attributes[attrName]);\n    });\n\n    if (content) {\n      appendContent(el, content);\n    }\n\n    return el;\n  }\n  /**\n   * Injects text into an element, replacing any existing contents entirely.\n   *\n   * @param  {Element} el\n   *         The element to add text content into\n   *\n   * @param  {string} text\n   *         The text content to add.\n   *\n   * @return {Element}\n   *         The element with added text content.\n   */\n\n  function textContent(el, text) {\n    if (typeof el.textContent === 'undefined') {\n      el.innerText = text;\n    } else {\n      el.textContent = text;\n    }\n\n    return el;\n  }\n  /**\n   * Insert an element as the first child node of another\n   *\n   * @param {Element} child\n   *        Element to insert\n   *\n   * @param {Element} parent\n   *        Element to insert child into\n   */\n\n  function prependTo(child, parent) {\n    if (parent.firstChild) {\n      parent.insertBefore(child, parent.firstChild);\n    } else {\n      parent.appendChild(child);\n    }\n  }\n  /**\n   * Check if an element has a class name.\n   *\n   * @param  {Element} element\n   *         Element to check\n   *\n   * @param  {string} classToCheck\n   *         Class name to check for\n   *\n   * @return {boolean}\n   *         Will be `true` if the element has a class, `false` otherwise.\n   *\n   * @throws {Error}\n   *         Throws an error if `classToCheck` has white space.\n   */\n\n  function hasClass(element, classToCheck) {\n    throwIfWhitespace(classToCheck);\n\n    if (element.classList) {\n      return element.classList.contains(classToCheck);\n    }\n\n    return classRegExp(classToCheck).test(element.className);\n  }\n  /**\n   * Add a class name to an element.\n   *\n   * @param  {Element} element\n   *         Element to add class name to.\n   *\n   * @param  {string} classToAdd\n   *         Class name to add.\n   *\n   * @return {Element}\n   *         The DOM element with the added class name.\n   */\n\n  function addClass(element, classToAdd) {\n    if (element.classList) {\n      element.classList.add(classToAdd); // Don't need to `throwIfWhitespace` here because `hasElClass` will do it\n      // in the case of classList not being supported.\n    } else if (!hasClass(element, classToAdd)) {\n      element.className = (element.className + ' ' + classToAdd).trim();\n    }\n\n    return element;\n  }\n  /**\n   * Remove a class name from an element.\n   *\n   * @param  {Element} element\n   *         Element to remove a class name from.\n   *\n   * @param  {string} classToRemove\n   *         Class name to remove\n   *\n   * @return {Element}\n   *         The DOM element with class name removed.\n   */\n\n  function removeClass(element, classToRemove) {\n    if (element.classList) {\n      element.classList.remove(classToRemove);\n    } else {\n      throwIfWhitespace(classToRemove);\n      element.className = element.className.split(/\\s+/).filter(function (c) {\n        return c !== classToRemove;\n      }).join(' ');\n    }\n\n    return element;\n  }\n  /**\n   * The callback definition for toggleClass.\n   *\n   * @callback module:dom~PredicateCallback\n   * @param    {Element} element\n   *           The DOM element of the Component.\n   *\n   * @param    {string} classToToggle\n   *           The `className` that wants to be toggled\n   *\n   * @return   {boolean|undefined}\n   *           If `true` is returned, the `classToToggle` will be added to the\n   *           `element`. If `false`, the `classToToggle` will be removed from\n   *           the `element`. If `undefined`, the callback will be ignored.\n   */\n\n  /**\n   * Adds or removes a class name to/from an element depending on an optional\n   * condition or the presence/absence of the class name.\n   *\n   * @param  {Element} element\n   *         The element to toggle a class name on.\n   *\n   * @param  {string} classToToggle\n   *         The class that should be toggled.\n   *\n   * @param  {boolean|module:dom~PredicateCallback} [predicate]\n   *         See the return value for {@link module:dom~PredicateCallback}\n   *\n   * @return {Element}\n   *         The element with a class that has been toggled.\n   */\n\n  function toggleClass(element, classToToggle, predicate) {\n    // This CANNOT use `classList` internally because IE11 does not support the\n    // second parameter to the `classList.toggle()` method! Which is fine because\n    // `classList` will be used by the add/remove functions.\n    var has = hasClass(element, classToToggle);\n\n    if (typeof predicate === 'function') {\n      predicate = predicate(element, classToToggle);\n    }\n\n    if (typeof predicate !== 'boolean') {\n      predicate = !has;\n    } // If the necessary class operation matches the current state of the\n    // element, no action is required.\n\n\n    if (predicate === has) {\n      return;\n    }\n\n    if (predicate) {\n      addClass(element, classToToggle);\n    } else {\n      removeClass(element, classToToggle);\n    }\n\n    return element;\n  }\n  /**\n   * Apply attributes to an HTML element.\n   *\n   * @param {Element} el\n   *        Element to add attributes to.\n   *\n   * @param {Object} [attributes]\n   *        Attributes to be applied.\n   */\n\n  function setAttributes(el, attributes) {\n    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {\n      var attrValue = attributes[attrName];\n\n      if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {\n        el.removeAttribute(attrName);\n      } else {\n        el.setAttribute(attrName, attrValue === true ? '' : attrValue);\n      }\n    });\n  }\n  /**\n   * Get an element's attribute values, as defined on the HTML tag.\n   *\n   * Attributes are not the same as properties. They're defined on the tag\n   * or with setAttribute.\n   *\n   * @param  {Element} tag\n   *         Element from which to get tag attributes.\n   *\n   * @return {Object}\n   *         All attributes of the element. Boolean attributes will be `true` or\n   *         `false`, others will be strings.\n   */\n\n  function getAttributes(tag) {\n    var obj = {}; // known boolean attributes\n    // we can check for matching boolean properties, but not all browsers\n    // and not all tags know about these attributes, so, we still want to check them manually\n\n    var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';\n\n    if (tag && tag.attributes && tag.attributes.length > 0) {\n      var attrs = tag.attributes;\n\n      for (var i = attrs.length - 1; i >= 0; i--) {\n        var attrName = attrs[i].name;\n        var attrVal = attrs[i].value; // check for known booleans\n        // the matching element property will return a value for typeof\n\n        if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {\n          // the value of an included boolean attribute is typically an empty\n          // string ('') which would equal false if we just check for a false value.\n          // we also don't want support bad code like autoplay='false'\n          attrVal = attrVal !== null ? true : false;\n        }\n\n        obj[attrName] = attrVal;\n      }\n    }\n\n    return obj;\n  }\n  /**\n   * Get the value of an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to get the value of.\n   *\n   * @return {string}\n   *         The value of the attribute.\n   */\n\n  function getAttribute(el, attribute) {\n    return el.getAttribute(attribute);\n  }\n  /**\n   * Set the value of an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to set.\n   *\n   * @param {string} value\n   *        Value to set the attribute to.\n   */\n\n  function setAttribute(el, attribute, value) {\n    el.setAttribute(attribute, value);\n  }\n  /**\n   * Remove an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to remove.\n   */\n\n  function removeAttribute(el, attribute) {\n    el.removeAttribute(attribute);\n  }\n  /**\n   * Attempt to block the ability to select text.\n   */\n\n  function blockTextSelection() {\n    document.body.focus();\n\n    document.onselectstart = function () {\n      return false;\n    };\n  }\n  /**\n   * Turn off text selection blocking.\n   */\n\n  function unblockTextSelection() {\n    document.onselectstart = function () {\n      return true;\n    };\n  }\n  /**\n   * Identical to the native `getBoundingClientRect` function, but ensures that\n   * the method is supported at all (it is in all browsers we claim to support)\n   * and that the element is in the DOM before continuing.\n   *\n   * This wrapper function also shims properties which are not provided by some\n   * older browsers (namely, IE8).\n   *\n   * Additionally, some browsers do not support adding properties to a\n   * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard\n   * properties (except `x` and `y` which are not widely supported). This helps\n   * avoid implementations where keys are non-enumerable.\n   *\n   * @param  {Element} el\n   *         Element whose `ClientRect` we want to calculate.\n   *\n   * @return {Object|undefined}\n   *         Always returns a plain object - or `undefined` if it cannot.\n   */\n\n  function getBoundingClientRect(el) {\n    if (el && el.getBoundingClientRect && el.parentNode) {\n      var rect = el.getBoundingClientRect();\n      var result = {};\n      ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {\n        if (rect[k] !== undefined) {\n          result[k] = rect[k];\n        }\n      });\n\n      if (!result.height) {\n        result.height = parseFloat(computedStyle(el, 'height'));\n      }\n\n      if (!result.width) {\n        result.width = parseFloat(computedStyle(el, 'width'));\n      }\n\n      return result;\n    }\n  }\n  /**\n   * Represents the position of a DOM element on the page.\n   *\n   * @typedef  {Object} module:dom~Position\n   *\n   * @property {number} left\n   *           Pixels to the left.\n   *\n   * @property {number} top\n   *           Pixels from the top.\n   */\n\n  /**\n   * Get the position of an element in the DOM.\n   *\n   * Uses `getBoundingClientRect` technique from John Resig.\n   *\n   * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/\n   *\n   * @param  {Element} el\n   *         Element from which to get offset.\n   *\n   * @return {module:dom~Position}\n   *         The position of the element that was passed in.\n   */\n\n  function findPosition(el) {\n    var box;\n\n    if (el.getBoundingClientRect && el.parentNode) {\n      box = el.getBoundingClientRect();\n    }\n\n    if (!box) {\n      return {\n        left: 0,\n        top: 0\n      };\n    }\n\n    var docEl = document.documentElement;\n    var body = document.body;\n    var clientLeft = docEl.clientLeft || body.clientLeft || 0;\n    var scrollLeft = window$3.pageXOffset || body.scrollLeft;\n    var left = box.left + scrollLeft - clientLeft;\n    var clientTop = docEl.clientTop || body.clientTop || 0;\n    var scrollTop = window$3.pageYOffset || body.scrollTop;\n    var top = box.top + scrollTop - clientTop; // Android sometimes returns slightly off decimal values, so need to round\n\n    return {\n      left: Math.round(left),\n      top: Math.round(top)\n    };\n  }\n  /**\n   * Represents x and y coordinates for a DOM element or mouse pointer.\n   *\n   * @typedef  {Object} module:dom~Coordinates\n   *\n   * @property {number} x\n   *           x coordinate in pixels\n   *\n   * @property {number} y\n   *           y coordinate in pixels\n   */\n\n  /**\n   * Get the pointer position within an element.\n   *\n   * The base on the coordinates are the bottom left of the element.\n   *\n   * @param  {Element} el\n   *         Element on which to get the pointer position on.\n   *\n   * @param  {EventTarget~Event} event\n   *         Event object.\n   *\n   * @return {module:dom~Coordinates}\n   *         A coordinates object corresponding to the mouse position.\n   *\n   */\n\n  function getPointerPosition(el, event) {\n    var position = {};\n    var box = findPosition(el);\n    var boxW = el.offsetWidth;\n    var boxH = el.offsetHeight;\n    var boxY = box.top;\n    var boxX = box.left;\n    var pageY = event.pageY;\n    var pageX = event.pageX;\n\n    if (event.changedTouches) {\n      pageX = event.changedTouches[0].pageX;\n      pageY = event.changedTouches[0].pageY;\n    }\n\n    position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));\n    position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));\n    return position;\n  }\n  /**\n   * Determines, via duck typing, whether or not a value is a text node.\n   *\n   * @param  {Mixed} value\n   *         Check if this value is a text node.\n   *\n   * @return {boolean}\n   *         Will be `true` if the value is a text node, `false` otherwise.\n   */\n\n  function isTextNode(value) {\n    return isObject(value) && value.nodeType === 3;\n  }\n  /**\n   * Empties the contents of an element.\n   *\n   * @param  {Element} el\n   *         The element to empty children from\n   *\n   * @return {Element}\n   *         The element with no children\n   */\n\n  function emptyEl(el) {\n    while (el.firstChild) {\n      el.removeChild(el.firstChild);\n    }\n\n    return el;\n  }\n  /**\n   * This is a mixed value that describes content to be injected into the DOM\n   * via some method. It can be of the following types:\n   *\n   * Type       | Description\n   * -----------|-------------\n   * `string`   | The value will be normalized into a text node.\n   * `Element`  | The value will be accepted as-is.\n   * `TextNode` | The value will be accepted as-is.\n   * `Array`    | A one-dimensional array of strings, elements, text nodes, or functions. These functions should return a string, element, or text node (any other return value, like an array, will be ignored).\n   * `Function` | A function, which is expected to return a string, element, text node, or array - any of the other possible values described above. This means that a content descriptor could be a function that returns an array of functions, but those second-level functions must return strings, elements, or text nodes.\n   *\n   * @typedef {string|Element|TextNode|Array|Function} module:dom~ContentDescriptor\n   */\n\n  /**\n   * Normalizes content for eventual insertion into the DOM.\n   *\n   * This allows a wide range of content definition methods, but helps protect\n   * from falling into the trap of simply writing to `innerHTML`, which could\n   * be an XSS concern.\n   *\n   * The content for an element can be passed in multiple types and\n   * combinations, whose behavior is as follows:\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Array}\n   *         All of the content that was passed in, normalized to an array of\n   *         elements or text nodes.\n   */\n\n  function normalizeContent(content) {\n    // First, invoke content if it is a function. If it produces an array,\n    // that needs to happen before normalization.\n    if (typeof content === 'function') {\n      content = content();\n    } // Next up, normalize to an array, so one or many items can be normalized,\n    // filtered, and returned.\n\n\n    return (Array.isArray(content) ? content : [content]).map(function (value) {\n      // First, invoke value if it is a function to produce a new value,\n      // which will be subsequently normalized to a Node of some kind.\n      if (typeof value === 'function') {\n        value = value();\n      }\n\n      if (isEl(value) || isTextNode(value)) {\n        return value;\n      }\n\n      if (typeof value === 'string' && /\\S/.test(value)) {\n        return document.createTextNode(value);\n      }\n    }).filter(function (value) {\n      return value;\n    });\n  }\n  /**\n   * Normalizes and appends content to an element.\n   *\n   * @param  {Element} el\n   *         Element to append normalized content to.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Element}\n   *         The element with appended normalized content.\n   */\n\n  function appendContent(el, content) {\n    normalizeContent(content).forEach(function (node) {\n      return el.appendChild(node);\n    });\n    return el;\n  }\n  /**\n   * Normalizes and inserts content into an element; this is identical to\n   * `appendContent()`, except it empties the element first.\n   *\n   * @param {Element} el\n   *        Element to insert normalized content into.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Element}\n   *         The element with inserted normalized content.\n   */\n\n  function insertContent(el, content) {\n    return appendContent(emptyEl(el), content);\n  }\n  /**\n   * Check if an event was a single left click.\n   *\n   * @param  {EventTarget~Event} event\n   *         Event object.\n   *\n   * @return {boolean}\n   *         Will be `true` if a single left click, `false` otherwise.\n   */\n\n  function isSingleLeftClick(event) {\n    // Note: if you create something draggable, be sure to\n    // call it on both `mousedown` and `mousemove` event,\n    // otherwise `mousedown` should be enough for a button\n    if (event.button === undefined && event.buttons === undefined) {\n      // Why do we need `buttons` ?\n      // Because, middle mouse sometimes have this:\n      // e.button === 0 and e.buttons === 4\n      // Furthermore, we want to prevent combination click, something like\n      // HOLD middlemouse then left click, that would be\n      // e.button === 0, e.buttons === 5\n      // just `button` is not gonna work\n      // Alright, then what this block does ?\n      // this is for chrome `simulate mobile devices`\n      // I want to support this as well\n      return true;\n    }\n\n    if (event.button === 0 && event.buttons === undefined) {\n      // Touch screen, sometimes on some specific device, `buttons`\n      // doesn't have anything (safari on ios, blackberry...)\n      return true;\n    } // `mouseup` event on a single left click has\n    // `button` and `buttons` equal to 0\n\n\n    if (event.type === 'mouseup' && event.button === 0 && event.buttons === 0) {\n      return true;\n    }\n\n    if (event.button !== 0 || event.buttons !== 1) {\n      // This is the reason we have those if else block above\n      // if any special case we can catch and let it slide\n      // we do it above, when get to here, this definitely\n      // is-not-left-click\n      return false;\n    }\n\n    return true;\n  }\n  /**\n   * Finds a single DOM element matching `selector` within the optional\n   * `context` of another DOM element (defaulting to `document`).\n   *\n   * @param  {string} selector\n   *         A valid CSS selector, which will be passed to `querySelector`.\n   *\n   * @param  {Element|String} [context=document]\n   *         A DOM element within which to query. Can also be a selector\n   *         string in which case the first matching element will be used\n   *         as context. If missing (or no element matches selector), falls\n   *         back to `document`.\n   *\n   * @return {Element|null}\n   *         The element that was found or null.\n   */\n\n  var $ = createQuerier('querySelector');\n  /**\n   * Finds a all DOM elements matching `selector` within the optional\n   * `context` of another DOM element (defaulting to `document`).\n   *\n   * @param  {string} selector\n   *         A valid CSS selector, which will be passed to `querySelectorAll`.\n   *\n   * @param  {Element|String} [context=document]\n   *         A DOM element within which to query. Can also be a selector\n   *         string in which case the first matching element will be used\n   *         as context. If missing (or no element matches selector), falls\n   *         back to `document`.\n   *\n   * @return {NodeList}\n   *         A element list of elements that were found. Will be empty if none\n   *         were found.\n   *\n   */\n\n  var $$ = createQuerier('querySelectorAll');\n\n  var Dom = /*#__PURE__*/Object.freeze({\n    isReal: isReal,\n    isEl: isEl,\n    isInFrame: isInFrame,\n    createEl: createEl,\n    textContent: textContent,\n    prependTo: prependTo,\n    hasClass: hasClass,\n    addClass: addClass,\n    removeClass: removeClass,\n    toggleClass: toggleClass,\n    setAttributes: setAttributes,\n    getAttributes: getAttributes,\n    getAttribute: getAttribute,\n    setAttribute: setAttribute,\n    removeAttribute: removeAttribute,\n    blockTextSelection: blockTextSelection,\n    unblockTextSelection: unblockTextSelection,\n    getBoundingClientRect: getBoundingClientRect,\n    findPosition: findPosition,\n    getPointerPosition: getPointerPosition,\n    isTextNode: isTextNode,\n    emptyEl: emptyEl,\n    normalizeContent: normalizeContent,\n    appendContent: appendContent,\n    insertContent: insertContent,\n    isSingleLeftClick: isSingleLeftClick,\n    $: $,\n    $$: $$\n  });\n\n  /**\n   * @file setup.js - Functions for setting up a player without\n   * user interaction based on the data-setup `attribute` of the video tag.\n   *\n   * @module setup\n   */\n  var _windowLoaded = false;\n  var videojs;\n  /**\n   * Set up any tags that have a data-setup `attribute` when the player is started.\n   */\n\n  var autoSetup = function autoSetup() {\n    // Protect against breakage in non-browser environments and check global autoSetup option.\n    if (!isReal() || videojs.options.autoSetup === false) {\n      return;\n    }\n\n    var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));\n    var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));\n    var divs = Array.prototype.slice.call(document.getElementsByTagName('video-js'));\n    var mediaEls = vids.concat(audios, divs); // Check if any media elements exist\n\n    if (mediaEls && mediaEls.length > 0) {\n      for (var i = 0, e = mediaEls.length; i < e; i++) {\n        var mediaEl = mediaEls[i]; // Check if element exists, has getAttribute func.\n\n        if (mediaEl && mediaEl.getAttribute) {\n          // Make sure this player hasn't already been set up.\n          if (mediaEl.player === undefined) {\n            var options = mediaEl.getAttribute('data-setup'); // Check if data-setup attr exists.\n            // We only auto-setup if they've added the data-setup attr.\n\n            if (options !== null) {\n              // Create new video.js instance.\n              videojs(mediaEl);\n            }\n          } // If getAttribute isn't defined, we need to wait for the DOM.\n\n        } else {\n          autoSetupTimeout(1);\n          break;\n        }\n      } // No videos were found, so keep looping unless page is finished loading.\n\n    } else if (!_windowLoaded) {\n      autoSetupTimeout(1);\n    }\n  };\n  /**\n   * Wait until the page is loaded before running autoSetup. This will be called in\n   * autoSetup if `hasLoaded` returns false.\n   *\n   * @param {number} wait\n   *        How long to wait in ms\n   *\n   * @param {module:videojs} [vjs]\n   *        The videojs library function\n   */\n\n\n  function autoSetupTimeout(wait, vjs) {\n    if (vjs) {\n      videojs = vjs;\n    }\n\n    window$3.setTimeout(autoSetup, wait);\n  }\n  /**\n   * Used to set the internal tracking of window loaded state to true.\n   *\n   * @private\n   */\n\n\n  function setWindowLoaded() {\n    _windowLoaded = true;\n    window$3.removeEventListener('load', setWindowLoaded);\n  }\n\n  if (isReal()) {\n    if (document.readyState === 'complete') {\n      setWindowLoaded();\n    } else {\n      /**\n       * Listen for the load event on window, and set _windowLoaded to true.\n       *\n       * We use a standard event listener here to avoid incrementing the GUID\n       * before any players are created.\n       *\n       * @listens load\n       */\n      window$3.addEventListener('load', setWindowLoaded);\n    }\n  }\n\n  /**\n   * @file stylesheet.js\n   * @module stylesheet\n   */\n  /**\n   * Create a DOM syle element given a className for it.\n   *\n   * @param {string} className\n   *        The className to add to the created style element.\n   *\n   * @return {Element}\n   *         The element that was created.\n   */\n\n  var createStyleElement = function createStyleElement(className) {\n    var style = document.createElement('style');\n    style.className = className;\n    return style;\n  };\n  /**\n   * Add text to a DOM element.\n   *\n   * @param {Element} el\n   *        The Element to add text content to.\n   *\n   * @param {string} content\n   *        The text to add to the element.\n   */\n\n  var setTextContent = function setTextContent(el, content) {\n    if (el.styleSheet) {\n      el.styleSheet.cssText = content;\n    } else {\n      el.textContent = content;\n    }\n  };\n\n  /**\n   * @file guid.js\n   * @module guid\n   */\n  // Default value for GUIDs. This allows us to reset the GUID counter in tests.\n  //\n  // The initial GUID is 3 because some users have come to rely on the first\n  // default player ID ending up as `vjs_video_3`.\n  //\n  // See: https://github.com/videojs/video.js/pull/6216\n  var _initialGuid = 3;\n  /**\n   * Unique ID for an element or function\n   *\n   * @type {Number}\n   */\n\n  var _guid = _initialGuid;\n  /**\n   * Get a unique auto-incrementing ID by number that has not been returned before.\n   *\n   * @return {number}\n   *         A new unique ID.\n   */\n\n  function newGUID() {\n    return _guid++;\n  }\n\n  /**\n   * @file dom-data.js\n   * @module dom-data\n   */\n  var FakeWeakMap;\n\n  if (!window$3.WeakMap) {\n    FakeWeakMap = /*#__PURE__*/function () {\n      function FakeWeakMap() {\n        this.vdata = 'vdata' + Math.floor(window$3.performance && window$3.performance.now() || Date.now());\n        this.data = {};\n      }\n\n      var _proto = FakeWeakMap.prototype;\n\n      _proto.set = function set(key, value) {\n        var access = key[this.vdata] || newGUID();\n\n        if (!key[this.vdata]) {\n          key[this.vdata] = access;\n        }\n\n        this.data[access] = value;\n        return this;\n      };\n\n      _proto.get = function get(key) {\n        var access = key[this.vdata]; // we have data, return it\n\n        if (access) {\n          return this.data[access];\n        } // we don't have data, return nothing.\n        // return undefined explicitly as that's the contract for this method\n\n\n        log('We have no data for this element', key);\n        return undefined;\n      };\n\n      _proto.has = function has(key) {\n        var access = key[this.vdata];\n        return access in this.data;\n      };\n\n      _proto[\"delete\"] = function _delete(key) {\n        var access = key[this.vdata];\n\n        if (access) {\n          delete this.data[access];\n          delete key[this.vdata];\n        }\n      };\n\n      return FakeWeakMap;\n    }();\n  }\n  /**\n   * Element Data Store.\n   *\n   * Allows for binding data to an element without putting it directly on the\n   * element. Ex. Event listeners are stored here.\n   * (also from jsninja.com, slightly modified and updated for closure compiler)\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  var DomData = window$3.WeakMap ? new WeakMap() : new FakeWeakMap();\n\n  /**\n   * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)\n   * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)\n   * This should work very similarly to jQuery's events, however it's based off the book version which isn't as\n   * robust as jquery's, so there's probably some differences.\n   *\n   * @file events.js\n   * @module events\n   */\n  /**\n   * Clean up the listener cache and dispatchers\n   *\n   * @param {Element|Object} elem\n   *        Element to clean up\n   *\n   * @param {string} type\n   *        Type of event to clean up\n   */\n\n  function _cleanUpEvents(elem, type) {\n    if (!DomData.has(elem)) {\n      return;\n    }\n\n    var data = DomData.get(elem); // Remove the events of a particular type if there are none left\n\n    if (data.handlers[type].length === 0) {\n      delete data.handlers[type]; // data.handlers[type] = null;\n      // Setting to null was causing an error with data.handlers\n      // Remove the meta-handler from the element\n\n      if (elem.removeEventListener) {\n        elem.removeEventListener(type, data.dispatcher, false);\n      } else if (elem.detachEvent) {\n        elem.detachEvent('on' + type, data.dispatcher);\n      }\n    } // Remove the events object if there are no types left\n\n\n    if (Object.getOwnPropertyNames(data.handlers).length <= 0) {\n      delete data.handlers;\n      delete data.dispatcher;\n      delete data.disabled;\n    } // Finally remove the element data if there is no data left\n\n\n    if (Object.getOwnPropertyNames(data).length === 0) {\n      DomData[\"delete\"](elem);\n    }\n  }\n  /**\n   * Loops through an array of event types and calls the requested method for each type.\n   *\n   * @param {Function} fn\n   *        The event method we want to use.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind listeners to\n   *\n   * @param {string} type\n   *        Type of event to bind to.\n   *\n   * @param {EventTarget~EventListener} callback\n   *        Event listener.\n   */\n\n\n  function _handleMultipleEvents(fn, elem, types, callback) {\n    types.forEach(function (type) {\n      // Call the event method for each one of the types\n      fn(elem, type, callback);\n    });\n  }\n  /**\n   * Fix a native event to have standard property values\n   *\n   * @param {Object} event\n   *        Event object to fix.\n   *\n   * @return {Object}\n   *         Fixed event object.\n   */\n\n\n  function fixEvent(event) {\n    if (event.fixed_) {\n      return event;\n    }\n\n    function returnTrue() {\n      return true;\n    }\n\n    function returnFalse() {\n      return false;\n    } // Test if fixing up is needed\n    // Used to check if !event.stopPropagation instead of isPropagationStopped\n    // But native events return true for stopPropagation, but don't have\n    // other expected methods like isPropagationStopped. Seems to be a problem\n    // with the Javascript Ninja code. So we're just overriding all events now.\n\n\n    if (!event || !event.isPropagationStopped) {\n      var old = event || window$3.event;\n      event = {}; // Clone the old object so that we can modify the values event = {};\n      // IE8 Doesn't like when you mess with native event properties\n      // Firefox returns false for event.hasOwnProperty('type') and other props\n      //  which makes copying more difficult.\n      // TODO: Probably best to create a whitelist of event props\n\n      for (var key in old) {\n        // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y\n        // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation\n        // and webkitMovementX/Y\n        if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {\n          // Chrome 32+ warns if you try to copy deprecated returnValue, but\n          // we still want to if preventDefault isn't supported (IE8).\n          if (!(key === 'returnValue' && old.preventDefault)) {\n            event[key] = old[key];\n          }\n        }\n      } // The event occurred on this element\n\n\n      if (!event.target) {\n        event.target = event.srcElement || document;\n      } // Handle which other element the event is related to\n\n\n      if (!event.relatedTarget) {\n        event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;\n      } // Stop the default browser action\n\n\n      event.preventDefault = function () {\n        if (old.preventDefault) {\n          old.preventDefault();\n        }\n\n        event.returnValue = false;\n        old.returnValue = false;\n        event.defaultPrevented = true;\n      };\n\n      event.defaultPrevented = false; // Stop the event from bubbling\n\n      event.stopPropagation = function () {\n        if (old.stopPropagation) {\n          old.stopPropagation();\n        }\n\n        event.cancelBubble = true;\n        old.cancelBubble = true;\n        event.isPropagationStopped = returnTrue;\n      };\n\n      event.isPropagationStopped = returnFalse; // Stop the event from bubbling and executing other handlers\n\n      event.stopImmediatePropagation = function () {\n        if (old.stopImmediatePropagation) {\n          old.stopImmediatePropagation();\n        }\n\n        event.isImmediatePropagationStopped = returnTrue;\n        event.stopPropagation();\n      };\n\n      event.isImmediatePropagationStopped = returnFalse; // Handle mouse position\n\n      if (event.clientX !== null && event.clientX !== undefined) {\n        var doc = document.documentElement;\n        var body = document.body;\n        event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);\n        event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);\n      } // Handle key presses\n\n\n      event.which = event.charCode || event.keyCode; // Fix button for mouse clicks:\n      // 0 == left; 1 == middle; 2 == right\n\n      if (event.button !== null && event.button !== undefined) {\n        // The following is disabled because it does not pass videojs-standard\n        // and... yikes.\n\n        /* eslint-disable */\n        event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;\n        /* eslint-enable */\n      }\n    }\n\n    event.fixed_ = true; // Returns fixed-up instance\n\n    return event;\n  }\n  /**\n   * Whether passive event listeners are supported\n   */\n\n  var _supportsPassive;\n\n  var supportsPassive = function supportsPassive() {\n    if (typeof _supportsPassive !== 'boolean') {\n      _supportsPassive = false;\n\n      try {\n        var opts = Object.defineProperty({}, 'passive', {\n          get: function get() {\n            _supportsPassive = true;\n          }\n        });\n        window$3.addEventListener('test', null, opts);\n        window$3.removeEventListener('test', null, opts);\n      } catch (e) {// disregard\n      }\n    }\n\n    return _supportsPassive;\n  };\n  /**\n   * Touch events Chrome expects to be passive\n   */\n\n\n  var passiveEvents = ['touchstart', 'touchmove'];\n  /**\n   * Add an event listener to element\n   * It stores the handler function in a separate cache object\n   * and adds a generic handler to the element's event,\n   * along with a unique id (guid) to the element.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind listeners to\n   *\n   * @param {string|string[]} type\n   *        Type of event to bind to.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        Event listener.\n   */\n\n  function on(elem, type, fn) {\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(on, elem, type, fn);\n    }\n\n    if (!DomData.has(elem)) {\n      DomData.set(elem, {});\n    }\n\n    var data = DomData.get(elem); // We need a place to store all our handler data\n\n    if (!data.handlers) {\n      data.handlers = {};\n    }\n\n    if (!data.handlers[type]) {\n      data.handlers[type] = [];\n    }\n\n    if (!fn.guid) {\n      fn.guid = newGUID();\n    }\n\n    data.handlers[type].push(fn);\n\n    if (!data.dispatcher) {\n      data.disabled = false;\n\n      data.dispatcher = function (event, hash) {\n        if (data.disabled) {\n          return;\n        }\n\n        event = fixEvent(event);\n        var handlers = data.handlers[event.type];\n\n        if (handlers) {\n          // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.\n          var handlersCopy = handlers.slice(0);\n\n          for (var m = 0, n = handlersCopy.length; m < n; m++) {\n            if (event.isImmediatePropagationStopped()) {\n              break;\n            } else {\n              try {\n                handlersCopy[m].call(elem, event, hash);\n              } catch (e) {\n                log.error(e);\n              }\n            }\n          }\n        }\n      };\n    }\n\n    if (data.handlers[type].length === 1) {\n      if (elem.addEventListener) {\n        var options = false;\n\n        if (supportsPassive() && passiveEvents.indexOf(type) > -1) {\n          options = {\n            passive: true\n          };\n        }\n\n        elem.addEventListener(type, data.dispatcher, options);\n      } else if (elem.attachEvent) {\n        elem.attachEvent('on' + type, data.dispatcher);\n      }\n    }\n  }\n  /**\n   * Removes event listeners from an element\n   *\n   * @param {Element|Object} elem\n   *        Object to remove listeners from.\n   *\n   * @param {string|string[]} [type]\n   *        Type of listener to remove. Don't include to remove all events from element.\n   *\n   * @param {EventTarget~EventListener} [fn]\n   *        Specific listener to remove. Don't include to remove listeners for an event\n   *        type.\n   */\n\n  function off(elem, type, fn) {\n    // Don't want to add a cache object through getElData if not needed\n    if (!DomData.has(elem)) {\n      return;\n    }\n\n    var data = DomData.get(elem); // If no events exist, nothing to unbind\n\n    if (!data.handlers) {\n      return;\n    }\n\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(off, elem, type, fn);\n    } // Utility function\n\n\n    var removeType = function removeType(el, t) {\n      data.handlers[t] = [];\n\n      _cleanUpEvents(el, t);\n    }; // Are we removing all bound events?\n\n\n    if (type === undefined) {\n      for (var t in data.handlers) {\n        if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {\n          removeType(elem, t);\n        }\n      }\n\n      return;\n    }\n\n    var handlers = data.handlers[type]; // If no handlers exist, nothing to unbind\n\n    if (!handlers) {\n      return;\n    } // If no listener was provided, remove all listeners for type\n\n\n    if (!fn) {\n      removeType(elem, type);\n      return;\n    } // We're only removing a single handler\n\n\n    if (fn.guid) {\n      for (var n = 0; n < handlers.length; n++) {\n        if (handlers[n].guid === fn.guid) {\n          handlers.splice(n--, 1);\n        }\n      }\n    }\n\n    _cleanUpEvents(elem, type);\n  }\n  /**\n   * Trigger an event for an element\n   *\n   * @param {Element|Object} elem\n   *        Element to trigger an event on\n   *\n   * @param {EventTarget~Event|string} event\n   *        A string (the type) or an event object with a type attribute\n   *\n   * @param {Object} [hash]\n   *        data hash to pass along with the event\n   *\n   * @return {boolean|undefined}\n   *         Returns the opposite of `defaultPrevented` if default was\n   *         prevented. Otherwise, returns `undefined`\n   */\n\n  function trigger(elem, event, hash) {\n    // Fetches element data and a reference to the parent (for bubbling).\n    // Don't want to add a data object to cache for every parent,\n    // so checking hasElData first.\n    var elemData = DomData.has(elem) ? DomData.get(elem) : {};\n    var parent = elem.parentNode || elem.ownerDocument; // type = event.type || event,\n    // handler;\n    // If an event name was passed as a string, creates an event out of it\n\n    if (typeof event === 'string') {\n      event = {\n        type: event,\n        target: elem\n      };\n    } else if (!event.target) {\n      event.target = elem;\n    } // Normalizes the event properties.\n\n\n    event = fixEvent(event); // If the passed element has a dispatcher, executes the established handlers.\n\n    if (elemData.dispatcher) {\n      elemData.dispatcher.call(elem, event, hash);\n    } // Unless explicitly stopped or the event does not bubble (e.g. media events)\n    // recursively calls this function to bubble the event up the DOM.\n\n\n    if (parent && !event.isPropagationStopped() && event.bubbles === true) {\n      trigger.call(null, parent, event, hash); // If at the top of the DOM, triggers the default action unless disabled.\n    } else if (!parent && !event.defaultPrevented && event.target && event.target[event.type]) {\n      if (!DomData.has(event.target)) {\n        DomData.set(event.target, {});\n      }\n\n      var targetData = DomData.get(event.target); // Checks if the target has a default action for this event.\n\n      if (event.target[event.type]) {\n        // Temporarily disables event dispatching on the target as we have already executed the handler.\n        targetData.disabled = true; // Executes the default action.\n\n        if (typeof event.target[event.type] === 'function') {\n          event.target[event.type]();\n        } // Re-enables event dispatching.\n\n\n        targetData.disabled = false;\n      }\n    } // Inform the triggerer if the default was prevented by returning false\n\n\n    return !event.defaultPrevented;\n  }\n  /**\n   * Trigger a listener only once for an event.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind to.\n   *\n   * @param {string|string[]} type\n   *        Name/type of event\n   *\n   * @param {Event~EventListener} fn\n   *        Event listener function\n   */\n\n  function one(elem, type, fn) {\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(one, elem, type, fn);\n    }\n\n    var func = function func() {\n      off(elem, type, func);\n      fn.apply(this, arguments);\n    }; // copy the guid to the new function so it can removed using the original function's ID\n\n\n    func.guid = fn.guid = fn.guid || newGUID();\n    on(elem, type, func);\n  }\n  /**\n   * Trigger a listener only once and then turn if off for all\n   * configured events\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind to.\n   *\n   * @param {string|string[]} type\n   *        Name/type of event\n   *\n   * @param {Event~EventListener} fn\n   *        Event listener function\n   */\n\n  function any(elem, type, fn) {\n    var func = function func() {\n      off(elem, type, func);\n      fn.apply(this, arguments);\n    }; // copy the guid to the new function so it can removed using the original function's ID\n\n\n    func.guid = fn.guid = fn.guid || newGUID(); // multiple ons, but one off for everything\n\n    on(elem, type, func);\n  }\n\n  var Events = /*#__PURE__*/Object.freeze({\n    fixEvent: fixEvent,\n    on: on,\n    off: off,\n    trigger: trigger,\n    one: one,\n    any: any\n  });\n\n  /**\n   * @file fn.js\n   * @module fn\n   */\n  var UPDATE_REFRESH_INTERVAL = 30;\n  /**\n   * Bind (a.k.a proxy or context). A simple method for changing the context of\n   * a function.\n   *\n   * It also stores a unique id on the function so it can be easily removed from\n   * events.\n   *\n   * @function\n   * @param    {Mixed} context\n   *           The object to bind as scope.\n   *\n   * @param    {Function} fn\n   *           The function to be bound to a scope.\n   *\n   * @param    {number} [uid]\n   *           An optional unique ID for the function to be set\n   *\n   * @return   {Function}\n   *           The new function that will be bound into the context given\n   */\n\n  var bind = function bind(context, fn, uid) {\n    // Make sure the function has a unique ID\n    if (!fn.guid) {\n      fn.guid = newGUID();\n    } // Create the new function that changes the context\n\n\n    var bound = fn.bind(context); // Allow for the ability to individualize this function\n    // Needed in the case where multiple objects might share the same prototype\n    // IF both items add an event listener with the same function, then you try to remove just one\n    // it will remove both because they both have the same guid.\n    // when using this, you need to use the bind method when you remove the listener as well.\n    // currently used in text tracks\n\n    bound.guid = uid ? uid + '_' + fn.guid : fn.guid;\n    return bound;\n  };\n  /**\n   * Wraps the given function, `fn`, with a new function that only invokes `fn`\n   * at most once per every `wait` milliseconds.\n   *\n   * @function\n   * @param    {Function} fn\n   *           The function to be throttled.\n   *\n   * @param    {number}   wait\n   *           The number of milliseconds by which to throttle.\n   *\n   * @return   {Function}\n   */\n\n  var throttle = function throttle(fn, wait) {\n    var last = window$3.performance.now();\n\n    var throttled = function throttled() {\n      var now = window$3.performance.now();\n\n      if (now - last >= wait) {\n        fn.apply(void 0, arguments);\n        last = now;\n      }\n    };\n\n    return throttled;\n  };\n  /**\n   * Creates a debounced function that delays invoking `func` until after `wait`\n   * milliseconds have elapsed since the last time the debounced function was\n   * invoked.\n   *\n   * Inspired by lodash and underscore implementations.\n   *\n   * @function\n   * @param    {Function} func\n   *           The function to wrap with debounce behavior.\n   *\n   * @param    {number} wait\n   *           The number of milliseconds to wait after the last invocation.\n   *\n   * @param    {boolean} [immediate]\n   *           Whether or not to invoke the function immediately upon creation.\n   *\n   * @param    {Object} [context=window]\n   *           The \"context\" in which the debounced function should debounce. For\n   *           example, if this function should be tied to a Video.js player,\n   *           the player can be passed here. Alternatively, defaults to the\n   *           global `window` object.\n   *\n   * @return   {Function}\n   *           A debounced function.\n   */\n\n  var debounce = function debounce(func, wait, immediate, context) {\n    if (context === void 0) {\n      context = window$3;\n    }\n\n    var timeout;\n\n    var cancel = function cancel() {\n      context.clearTimeout(timeout);\n      timeout = null;\n    };\n    /* eslint-disable consistent-this */\n\n\n    var debounced = function debounced() {\n      var self = this;\n      var args = arguments;\n\n      var _later = function later() {\n        timeout = null;\n        _later = null;\n\n        if (!immediate) {\n          func.apply(self, args);\n        }\n      };\n\n      if (!timeout && immediate) {\n        func.apply(self, args);\n      }\n\n      context.clearTimeout(timeout);\n      timeout = context.setTimeout(_later, wait);\n    };\n    /* eslint-enable consistent-this */\n\n\n    debounced.cancel = cancel;\n    return debounced;\n  };\n\n  /**\n   * @file src/js/event-target.js\n   */\n  /**\n   * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It\n   * adds shorthand functions that wrap around lengthy functions. For example:\n   * the `on` function is a wrapper around `addEventListener`.\n   *\n   * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}\n   * @class EventTarget\n   */\n\n  var EventTarget = function EventTarget() {};\n  /**\n   * A Custom DOM event.\n   *\n   * @typedef {Object} EventTarget~Event\n   * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}\n   */\n\n  /**\n   * All event listeners should follow the following format.\n   *\n   * @callback EventTarget~EventListener\n   * @this {EventTarget}\n   *\n   * @param {EventTarget~Event} event\n   *        the event that triggered this function\n   *\n   * @param {Object} [hash]\n   *        hash of data sent during the event\n   */\n\n  /**\n   * An object containing event names as keys and booleans as values.\n   *\n   * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}\n   *         will have extra functionality. See that function for more information.\n   *\n   * @property EventTarget.prototype.allowedEvents_\n   * @private\n   */\n\n\n  EventTarget.prototype.allowedEvents_ = {};\n  /**\n   * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a\n   * function that will get called when an event with a certain name gets triggered.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to call with `EventTarget`s\n   */\n\n  EventTarget.prototype.on = function (type, fn) {\n    // Remove the addEventListener alias before calling Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    on(this, type, fn);\n    this.addEventListener = ael;\n  };\n  /**\n   * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#on}\n   */\n\n\n  EventTarget.prototype.addEventListener = EventTarget.prototype.on;\n  /**\n   * Removes an `event listener` for a specific event from an instance of `EventTarget`.\n   * This makes it so that the `event listener` will no longer get called when the\n   * named event happens.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to remove.\n   */\n\n  EventTarget.prototype.off = function (type, fn) {\n    off(this, type, fn);\n  };\n  /**\n   * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#off}\n   */\n\n\n  EventTarget.prototype.removeEventListener = EventTarget.prototype.off;\n  /**\n   * This function will add an `event listener` that gets triggered only once. After the\n   * first trigger it will get removed. This is like adding an `event listener`\n   * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to be called once for each event name.\n   */\n\n  EventTarget.prototype.one = function (type, fn) {\n    // Remove the addEventListener aliasing Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    one(this, type, fn);\n    this.addEventListener = ael;\n  };\n\n  EventTarget.prototype.any = function (type, fn) {\n    // Remove the addEventListener aliasing Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    any(this, type, fn);\n    this.addEventListener = ael;\n  };\n  /**\n   * This function causes an event to happen. This will then cause any `event listeners`\n   * that are waiting for that event, to get called. If there are no `event listeners`\n   * for an event then nothing will happen.\n   *\n   * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.\n   * Trigger will also call the `on` + `uppercaseEventName` function.\n   *\n   * Example:\n   * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call\n   * `onClick` if it exists.\n   *\n   * @param {string|EventTarget~Event|Object} event\n   *        The name of the event, an `Event`, or an object with a key of type set to\n   *        an event name.\n   */\n\n\n  EventTarget.prototype.trigger = function (event) {\n    var type = event.type || event; // deprecation\n    // In a future version we should default target to `this`\n    // similar to how we default the target to `elem` in\n    // `Events.trigger`. Right now the default `target` will be\n    // `document` due to the `Event.fixEvent` call.\n\n    if (typeof event === 'string') {\n      event = {\n        type: type\n      };\n    }\n\n    event = fixEvent(event);\n\n    if (this.allowedEvents_[type] && this['on' + type]) {\n      this['on' + type](event);\n    }\n\n    trigger(this, event);\n  };\n  /**\n   * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#trigger}\n   */\n\n\n  EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;\n  var EVENT_MAP;\n\n  EventTarget.prototype.queueTrigger = function (event) {\n    var _this = this;\n\n    // only set up EVENT_MAP if it'll be used\n    if (!EVENT_MAP) {\n      EVENT_MAP = new Map();\n    }\n\n    var type = event.type || event;\n    var map = EVENT_MAP.get(this);\n\n    if (!map) {\n      map = new Map();\n      EVENT_MAP.set(this, map);\n    }\n\n    var oldTimeout = map.get(type);\n    map[\"delete\"](type);\n    window$3.clearTimeout(oldTimeout);\n    var timeout = window$3.setTimeout(function () {\n      // if we cleared out all timeouts for the current target, delete its map\n      if (map.size === 0) {\n        map = null;\n        EVENT_MAP[\"delete\"](_this);\n      }\n\n      _this.trigger(event);\n    }, 0);\n    map.set(type, timeout);\n  };\n\n  /**\n   * @file mixins/evented.js\n   * @module evented\n   */\n  /**\n   * Returns whether or not an object has had the evented mixin applied.\n   *\n   * @param  {Object} object\n   *         An object to test.\n   *\n   * @return {boolean}\n   *         Whether or not the object appears to be evented.\n   */\n\n  var isEvented = function isEvented(object) {\n    return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {\n      return typeof object[k] === 'function';\n    });\n  };\n  /**\n   * Adds a callback to run after the evented mixin applied.\n   *\n   * @param  {Object} object\n   *         An object to Add\n   * @param  {Function} callback\n   *         The callback to run.\n   */\n\n\n  var addEventedCallback = function addEventedCallback(target, callback) {\n    if (isEvented(target)) {\n      callback();\n    } else {\n      if (!target.eventedCallbacks) {\n        target.eventedCallbacks = [];\n      }\n\n      target.eventedCallbacks.push(callback);\n    }\n  };\n  /**\n   * Whether a value is a valid event type - non-empty string or array.\n   *\n   * @private\n   * @param  {string|Array} type\n   *         The type value to test.\n   *\n   * @return {boolean}\n   *         Whether or not the type is a valid event type.\n   */\n\n\n  var isValidEventType = function isValidEventType(type) {\n    return (// The regex here verifies that the `type` contains at least one non-\n      // whitespace character.\n      typeof type === 'string' && /\\S/.test(type) || Array.isArray(type) && !!type.length\n    );\n  };\n  /**\n   * Validates a value to determine if it is a valid event target. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the target does not appear to be a valid event target.\n   *\n   * @param  {Object} target\n   *         The object to test.\n   */\n\n\n  var validateTarget = function validateTarget(target) {\n    if (!target.nodeName && !isEvented(target)) {\n      throw new Error('Invalid target; must be a DOM node or evented object.');\n    }\n  };\n  /**\n   * Validates a value to determine if it is a valid event target. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the type does not appear to be a valid event type.\n   *\n   * @param  {string|Array} type\n   *         The type to test.\n   */\n\n\n  var validateEventType = function validateEventType(type) {\n    if (!isValidEventType(type)) {\n      throw new Error('Invalid event type; must be a non-empty string or array.');\n    }\n  };\n  /**\n   * Validates a value to determine if it is a valid listener. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the listener is not a function.\n   *\n   * @param  {Function} listener\n   *         The listener to test.\n   */\n\n\n  var validateListener = function validateListener(listener) {\n    if (typeof listener !== 'function') {\n      throw new Error('Invalid listener; must be a function.');\n    }\n  };\n  /**\n   * Takes an array of arguments given to `on()` or `one()`, validates them, and\n   * normalizes them into an object.\n   *\n   * @private\n   * @param  {Object} self\n   *         The evented object on which `on()` or `one()` was called. This\n   *         object will be bound as the `this` value for the listener.\n   *\n   * @param  {Array} args\n   *         An array of arguments passed to `on()` or `one()`.\n   *\n   * @return {Object}\n   *         An object containing useful values for `on()` or `one()` calls.\n   */\n\n\n  var normalizeListenArgs = function normalizeListenArgs(self, args) {\n    // If the number of arguments is less than 3, the target is always the\n    // evented object itself.\n    var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;\n    var target;\n    var type;\n    var listener;\n\n    if (isTargetingSelf) {\n      target = self.eventBusEl_; // Deal with cases where we got 3 arguments, but we are still listening to\n      // the evented object itself.\n\n      if (args.length >= 3) {\n        args.shift();\n      }\n\n      type = args[0];\n      listener = args[1];\n    } else {\n      target = args[0];\n      type = args[1];\n      listener = args[2];\n    }\n\n    validateTarget(target);\n    validateEventType(type);\n    validateListener(listener);\n    listener = bind(self, listener);\n    return {\n      isTargetingSelf: isTargetingSelf,\n      target: target,\n      type: type,\n      listener: listener\n    };\n  };\n  /**\n   * Adds the listener to the event type(s) on the target, normalizing for\n   * the type of target.\n   *\n   * @private\n   * @param  {Element|Object} target\n   *         A DOM node or evented object.\n   *\n   * @param  {string} method\n   *         The event binding method to use (\"on\" or \"one\").\n   *\n   * @param  {string|Array} type\n   *         One or more event type(s).\n   *\n   * @param  {Function} listener\n   *         A listener function.\n   */\n\n\n  var listen = function listen(target, method, type, listener) {\n    validateTarget(target);\n\n    if (target.nodeName) {\n      Events[method](target, type, listener);\n    } else {\n      target[method](type, listener);\n    }\n  };\n  /**\n   * Contains methods that provide event capabilities to an object which is passed\n   * to {@link module:evented|evented}.\n   *\n   * @mixin EventedMixin\n   */\n\n\n  var EventedMixin = {\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    on: function on() {\n      var _this = this;\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var _normalizeListenArgs = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs.isTargetingSelf,\n          target = _normalizeListenArgs.target,\n          type = _normalizeListenArgs.type,\n          listener = _normalizeListenArgs.listener;\n\n      listen(target, 'on', type, listener); // If this object is listening to another evented object.\n\n      if (!isTargetingSelf) {\n        // If this object is disposed, remove the listener.\n        var removeListenerOnDispose = function removeListenerOnDispose() {\n          return _this.off(target, type, listener);\n        }; // Use the same function ID as the listener so we can remove it later it\n        // using the ID of the original listener.\n\n\n        removeListenerOnDispose.guid = listener.guid; // Add a listener to the target's dispose event as well. This ensures\n        // that if the target is disposed BEFORE this object, we remove the\n        // removal listener that was just added. Otherwise, we create a memory leak.\n\n        var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {\n          return _this.off('dispose', removeListenerOnDispose);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        removeRemoverOnTargetDispose.guid = listener.guid;\n        listen(this, 'on', 'dispose', removeListenerOnDispose);\n        listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);\n      }\n    },\n\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object. The listener will be called once per event and then removed.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    one: function one() {\n      var _this2 = this;\n\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      var _normalizeListenArgs2 = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,\n          target = _normalizeListenArgs2.target,\n          type = _normalizeListenArgs2.type,\n          listener = _normalizeListenArgs2.listener; // Targeting this evented object.\n\n\n      if (isTargetingSelf) {\n        listen(target, 'one', type, listener); // Targeting another evented object.\n      } else {\n        // TODO: This wrapper is incorrect! It should only\n        //       remove the wrapper for the event type that called it.\n        //       Instead all listners are removed on the first trigger!\n        //       see https://github.com/videojs/video.js/issues/5962\n        var wrapper = function wrapper() {\n          _this2.off(target, type, wrapper);\n\n          for (var _len3 = arguments.length, largs = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n            largs[_key3] = arguments[_key3];\n          }\n\n          listener.apply(null, largs);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        wrapper.guid = listener.guid;\n        listen(target, 'one', type, wrapper);\n      }\n    },\n\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object. The listener will only be called once for the first event that is triggered\n     * then removed.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    any: function any() {\n      var _this3 = this;\n\n      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n        args[_key4] = arguments[_key4];\n      }\n\n      var _normalizeListenArgs3 = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs3.isTargetingSelf,\n          target = _normalizeListenArgs3.target,\n          type = _normalizeListenArgs3.type,\n          listener = _normalizeListenArgs3.listener; // Targeting this evented object.\n\n\n      if (isTargetingSelf) {\n        listen(target, 'any', type, listener); // Targeting another evented object.\n      } else {\n        var wrapper = function wrapper() {\n          _this3.off(target, type, wrapper);\n\n          for (var _len5 = arguments.length, largs = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {\n            largs[_key5] = arguments[_key5];\n          }\n\n          listener.apply(null, largs);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        wrapper.guid = listener.guid;\n        listen(target, 'any', type, wrapper);\n      }\n    },\n\n    /**\n     * Removes listener(s) from event(s) on an evented object.\n     *\n     * @param  {string|Array|Element|Object} [targetOrType]\n     *         If this is a string or array, it represents the event type(s).\n     *\n     *         Another evented object can be passed here instead, in which case\n     *         ALL 3 arguments are _required_.\n     *\n     * @param  {string|Array|Function} [typeOrListener]\n     *         If the first argument was a string or array, this may be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function; otherwise, _all_ listeners bound to the\n     *         event type(s) will be removed.\n     */\n    off: function off$1(targetOrType, typeOrListener, listener) {\n      // Targeting this evented object.\n      if (!targetOrType || isValidEventType(targetOrType)) {\n        off(this.eventBusEl_, targetOrType, typeOrListener); // Targeting another evented object.\n      } else {\n        var target = targetOrType;\n        var type = typeOrListener; // Fail fast and in a meaningful way!\n\n        validateTarget(target);\n        validateEventType(type);\n        validateListener(listener); // Ensure there's at least a guid, even if the function hasn't been used\n\n        listener = bind(this, listener); // Remove the dispose listener on this evented object, which was given\n        // the same guid as the event listener in on().\n\n        this.off('dispose', listener);\n\n        if (target.nodeName) {\n          off(target, type, listener);\n          off(target, 'dispose', listener);\n        } else if (isEvented(target)) {\n          target.off(type, listener);\n          target.off('dispose', listener);\n        }\n      }\n    },\n\n    /**\n     * Fire an event on this evented object, causing its listeners to be called.\n     *\n     * @param   {string|Object} event\n     *          An event type or an object with a type property.\n     *\n     * @param   {Object} [hash]\n     *          An additional object to pass along to listeners.\n     *\n     * @return {boolean}\n     *          Whether or not the default behavior was prevented.\n     */\n    trigger: function trigger$1(event, hash) {\n      return trigger(this.eventBusEl_, event, hash);\n    }\n  };\n  /**\n   * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.\n   *\n   * @param  {Object} target\n   *         The object to which to add event methods.\n   *\n   * @param  {Object} [options={}]\n   *         Options for customizing the mixin behavior.\n   *\n   * @param  {string} [options.eventBusKey]\n   *         By default, adds a `eventBusEl_` DOM element to the target object,\n   *         which is used as an event bus. If the target object already has a\n   *         DOM element that should be used, pass its key here.\n   *\n   * @return {Object}\n   *         The target object.\n   */\n\n  function evented(target, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var _options = options,\n        eventBusKey = _options.eventBusKey; // Set or create the eventBusEl_.\n\n    if (eventBusKey) {\n      if (!target[eventBusKey].nodeName) {\n        throw new Error(\"The eventBusKey \\\"\" + eventBusKey + \"\\\" does not refer to an element.\");\n      }\n\n      target.eventBusEl_ = target[eventBusKey];\n    } else {\n      target.eventBusEl_ = createEl('span', {\n        className: 'vjs-event-bus'\n      });\n    }\n\n    assign(target, EventedMixin);\n\n    if (target.eventedCallbacks) {\n      target.eventedCallbacks.forEach(function (callback) {\n        callback();\n      });\n    } // When any evented object is disposed, it removes all its listeners.\n\n\n    target.on('dispose', function () {\n      target.off();\n      window$3.setTimeout(function () {\n        target.eventBusEl_ = null;\n      }, 0);\n    });\n    return target;\n  }\n\n  /**\n   * @file mixins/stateful.js\n   * @module stateful\n   */\n  /**\n   * Contains methods that provide statefulness to an object which is passed\n   * to {@link module:stateful}.\n   *\n   * @mixin StatefulMixin\n   */\n\n  var StatefulMixin = {\n    /**\n     * A hash containing arbitrary keys and values representing the state of\n     * the object.\n     *\n     * @type {Object}\n     */\n    state: {},\n\n    /**\n     * Set the state of an object by mutating its\n     * {@link module:stateful~StatefulMixin.state|state} object in place.\n     *\n     * @fires   module:stateful~StatefulMixin#statechanged\n     * @param   {Object|Function} stateUpdates\n     *          A new set of properties to shallow-merge into the plugin state.\n     *          Can be a plain object or a function returning a plain object.\n     *\n     * @return {Object|undefined}\n     *          An object containing changes that occurred. If no changes\n     *          occurred, returns `undefined`.\n     */\n    setState: function setState(stateUpdates) {\n      var _this = this;\n\n      // Support providing the `stateUpdates` state as a function.\n      if (typeof stateUpdates === 'function') {\n        stateUpdates = stateUpdates();\n      }\n\n      var changes;\n      each(stateUpdates, function (value, key) {\n        // Record the change if the value is different from what's in the\n        // current state.\n        if (_this.state[key] !== value) {\n          changes = changes || {};\n          changes[key] = {\n            from: _this.state[key],\n            to: value\n          };\n        }\n\n        _this.state[key] = value;\n      }); // Only trigger \"statechange\" if there were changes AND we have a trigger\n      // function. This allows us to not require that the target object be an\n      // evented object.\n\n      if (changes && isEvented(this)) {\n        /**\n         * An event triggered on an object that is both\n         * {@link module:stateful|stateful} and {@link module:evented|evented}\n         * indicating that its state has changed.\n         *\n         * @event    module:stateful~StatefulMixin#statechanged\n         * @type     {Object}\n         * @property {Object} changes\n         *           A hash containing the properties that were changed and\n         *           the values they were changed `from` and `to`.\n         */\n        this.trigger({\n          changes: changes,\n          type: 'statechanged'\n        });\n      }\n\n      return changes;\n    }\n  };\n  /**\n   * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target\n   * object.\n   *\n   * If the target object is {@link module:evented|evented} and has a\n   * `handleStateChanged` method, that method will be automatically bound to the\n   * `statechanged` event on itself.\n   *\n   * @param   {Object} target\n   *          The object to be made stateful.\n   *\n   * @param   {Object} [defaultState]\n   *          A default set of properties to populate the newly-stateful object's\n   *          `state` property.\n   *\n   * @return {Object}\n   *          Returns the `target`.\n   */\n\n  function stateful(target, defaultState) {\n    assign(target, StatefulMixin); // This happens after the mixing-in because we need to replace the `state`\n    // added in that step.\n\n    target.state = assign({}, target.state, defaultState); // Auto-bind the `handleStateChanged` method of the target object if it exists.\n\n    if (typeof target.handleStateChanged === 'function' && isEvented(target)) {\n      target.on('statechanged', target.handleStateChanged);\n    }\n\n    return target;\n  }\n\n  /**\n   * @file string-cases.js\n   * @module to-lower-case\n   */\n\n  /**\n   * Lowercase the first letter of a string.\n   *\n   * @param {string} string\n   *        String to be lowercased\n   *\n   * @return {string}\n   *         The string with a lowercased first letter\n   */\n  var toLowerCase = function toLowerCase(string) {\n    if (typeof string !== 'string') {\n      return string;\n    }\n\n    return string.replace(/./, function (w) {\n      return w.toLowerCase();\n    });\n  };\n  /**\n   * Uppercase the first letter of a string.\n   *\n   * @param {string} string\n   *        String to be uppercased\n   *\n   * @return {string}\n   *         The string with an uppercased first letter\n   */\n\n  var toTitleCase = function toTitleCase(string) {\n    if (typeof string !== 'string') {\n      return string;\n    }\n\n    return string.replace(/./, function (w) {\n      return w.toUpperCase();\n    });\n  };\n  /**\n   * Compares the TitleCase versions of the two strings for equality.\n   *\n   * @param {string} str1\n   *        The first string to compare\n   *\n   * @param {string} str2\n   *        The second string to compare\n   *\n   * @return {boolean}\n   *         Whether the TitleCase versions of the strings are equal\n   */\n\n  var titleCaseEquals = function titleCaseEquals(str1, str2) {\n    return toTitleCase(str1) === toTitleCase(str2);\n  };\n\n  /**\n   * @file merge-options.js\n   * @module merge-options\n   */\n  /**\n   * Merge two objects recursively.\n   *\n   * Performs a deep merge like\n   * {@link https://lodash.com/docs/4.17.10#merge|lodash.merge}, but only merges\n   * plain objects (not arrays, elements, or anything else).\n   *\n   * Non-plain object values will be copied directly from the right-most\n   * argument.\n   *\n   * @static\n   * @param   {Object[]} sources\n   *          One or more objects to merge into a new object.\n   *\n   * @return {Object}\n   *          A new object that is the merged result of all sources.\n   */\n\n  function mergeOptions() {\n    var result = {};\n\n    for (var _len = arguments.length, sources = new Array(_len), _key = 0; _key < _len; _key++) {\n      sources[_key] = arguments[_key];\n    }\n\n    sources.forEach(function (source) {\n      if (!source) {\n        return;\n      }\n\n      each(source, function (value, key) {\n        if (!isPlain(value)) {\n          result[key] = value;\n          return;\n        }\n\n        if (!isPlain(result[key])) {\n          result[key] = {};\n        }\n\n        result[key] = mergeOptions(result[key], value);\n      });\n    });\n    return result;\n  }\n\n  /**\n   * Player Component - Base class for all UI objects\n   *\n   * @file component.js\n   */\n  /**\n   * Base class for all UI Components.\n   * Components are UI objects which represent both a javascript object and an element\n   * in the DOM. They can be children of other components, and can have\n   * children themselves.\n   *\n   * Components can also use methods from {@link EventTarget}\n   */\n\n  var Component = /*#__PURE__*/function () {\n    /**\n     * A callback that is called when a component is ready. Does not have any\n     * paramters and any callback value will be ignored.\n     *\n     * @callback Component~ReadyCallback\n     * @this Component\n     */\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Object[]} [options.children]\n     *        An array of children objects to intialize this component with. Children objects have\n     *        a name property that will be used if more than one component of the same type needs to be\n     *        added.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        Function that gets called when the `Component` is ready.\n     */\n    function Component(player, options, ready) {\n      // The component might be the player itself and we can't pass `this` to super\n      if (!player && this.play) {\n        this.player_ = player = this; // eslint-disable-line\n      } else {\n        this.player_ = player;\n      }\n\n      this.isDisposed_ = false; // Hold the reference to the parent component via `addChild` method\n\n      this.parentComponent_ = null; // Make a copy of prototype.options_ to protect against overriding defaults\n\n      this.options_ = mergeOptions({}, this.options_); // Updated options with supplied options\n\n      options = this.options_ = mergeOptions(this.options_, options); // Get ID from options or options element if one is supplied\n\n      this.id_ = options.id || options.el && options.el.id; // If there was no ID from the options, generate one\n\n      if (!this.id_) {\n        // Don't require the player ID function in the case of mock players\n        var id = player && player.id && player.id() || 'no_player';\n        this.id_ = id + \"_component_\" + newGUID();\n      }\n\n      this.name_ = options.name || null; // Create element if one wasn't provided in options\n\n      if (options.el) {\n        this.el_ = options.el;\n      } else if (options.createEl !== false) {\n        this.el_ = this.createEl();\n      } // if evented is anything except false, we want to mixin in evented\n\n\n      if (options.evented !== false) {\n        // Make this an evented object and use `el_`, if available, as its event bus\n        evented(this, {\n          eventBusKey: this.el_ ? 'el_' : null\n        });\n      }\n\n      stateful(this, this.constructor.defaultState);\n      this.children_ = [];\n      this.childIndex_ = {};\n      this.childNameIndex_ = {};\n      var SetSham;\n\n      if (!window$3.Set) {\n        SetSham = /*#__PURE__*/function () {\n          function SetSham() {\n            this.set_ = {};\n          }\n\n          var _proto2 = SetSham.prototype;\n\n          _proto2.has = function has(key) {\n            return key in this.set_;\n          };\n\n          _proto2[\"delete\"] = function _delete(key) {\n            var has = this.has(key);\n            delete this.set_[key];\n            return has;\n          };\n\n          _proto2.add = function add(key) {\n            this.set_[key] = 1;\n            return this;\n          };\n\n          _proto2.forEach = function forEach(callback, thisArg) {\n            for (var key in this.set_) {\n              callback.call(thisArg, key, key, this);\n            }\n          };\n\n          return SetSham;\n        }();\n      }\n\n      this.setTimeoutIds_ = window$3.Set ? new Set() : new SetSham();\n      this.setIntervalIds_ = window$3.Set ? new Set() : new SetSham();\n      this.rafIds_ = window$3.Set ? new Set() : new SetSham();\n      this.clearingTimersOnDispose_ = false; // Add any child components in options\n\n      if (options.initChildren !== false) {\n        this.initChildren();\n      }\n\n      this.ready(ready); // Don't want to trigger ready here or it will before init is actually\n      // finished for all children that run this constructor\n\n      if (options.reportTouchActivity !== false) {\n        this.enableTouchActivity();\n      }\n    }\n    /**\n     * Dispose of the `Component` and all child components.\n     *\n     * @fires Component#dispose\n     */\n\n\n    var _proto = Component.prototype;\n\n    _proto.dispose = function dispose() {\n      // Bail out if the component has already been disposed.\n      if (this.isDisposed_) {\n        return;\n      }\n      /**\n       * Triggered when a `Component` is disposed.\n       *\n       * @event Component#dispose\n       * @type {EventTarget~Event}\n       *\n       * @property {boolean} [bubbles=false]\n       *           set to false so that the dispose event does not\n       *           bubble up\n       */\n\n\n      this.trigger({\n        type: 'dispose',\n        bubbles: false\n      });\n      this.isDisposed_ = true; // Dispose all children.\n\n      if (this.children_) {\n        for (var i = this.children_.length - 1; i >= 0; i--) {\n          if (this.children_[i].dispose) {\n            this.children_[i].dispose();\n          }\n        }\n      } // Delete child references\n\n\n      this.children_ = null;\n      this.childIndex_ = null;\n      this.childNameIndex_ = null;\n      this.parentComponent_ = null;\n\n      if (this.el_) {\n        // Remove element from DOM\n        if (this.el_.parentNode) {\n          this.el_.parentNode.removeChild(this.el_);\n        }\n\n        if (DomData.has(this.el_)) {\n          DomData[\"delete\"](this.el_);\n        }\n\n        this.el_ = null;\n      } // remove reference to the player after disposing of the element\n\n\n      this.player_ = null;\n    }\n    /**\n     * Determine whether or not this component has been disposed.\n     *\n     * @return {boolean}\n     *         If the component has been disposed, will be `true`. Otherwise, `false`.\n     */\n    ;\n\n    _proto.isDisposed = function isDisposed() {\n      return Boolean(this.isDisposed_);\n    }\n    /**\n     * Return the {@link Player} that the `Component` has attached to.\n     *\n     * @return {Player}\n     *         The player that this `Component` has attached to.\n     */\n    ;\n\n    _proto.player = function player() {\n      return this.player_;\n    }\n    /**\n     * Deep merge of options objects with new options.\n     * > Note: When both `obj` and `options` contain properties whose values are objects.\n     *         The two properties get merged using {@link module:mergeOptions}\n     *\n     * @param {Object} obj\n     *        The object that contains new options.\n     *\n     * @return {Object}\n     *         A new object of `this.options_` and `obj` merged together.\n     */\n    ;\n\n    _proto.options = function options(obj) {\n      if (!obj) {\n        return this.options_;\n      }\n\n      this.options_ = mergeOptions(this.options_, obj);\n      return this.options_;\n    }\n    /**\n     * Get the `Component`s DOM element\n     *\n     * @return {Element}\n     *         The DOM element for this `Component`.\n     */\n    ;\n\n    _proto.el = function el() {\n      return this.el_;\n    }\n    /**\n     * Create the `Component`s DOM element.\n     *\n     * @param {string} [tagName]\n     *        Element's DOM node type. e.g. 'div'\n     *\n     * @param {Object} [properties]\n     *        An object of properties that should be set.\n     *\n     * @param {Object} [attributes]\n     *        An object of attributes that should be set.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1(tagName, properties, attributes) {\n      return createEl(tagName, properties, attributes);\n    }\n    /**\n     * Localize a string given the string in english.\n     *\n     * If tokens are provided, it'll try and run a simple token replacement on the provided string.\n     * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array.\n     *\n     * If a `defaultValue` is provided, it'll use that over `string`,\n     * if a value isn't found in provided language files.\n     * This is useful if you want to have a descriptive key for token replacement\n     * but have a succinct localized string and not require `en.json` to be included.\n     *\n     * Currently, it is used for the progress bar timing.\n     * ```js\n     * {\n     *   \"progress bar timing: currentTime={1} duration={2}\": \"{1} of {2}\"\n     * }\n     * ```\n     * It is then used like so:\n     * ```js\n     * this.localize('progress bar timing: currentTime={1} duration{2}',\n     *               [this.player_.currentTime(), this.player_.duration()],\n     *               '{1} of {2}');\n     * ```\n     *\n     * Which outputs something like: `01:23 of 24:56`.\n     *\n     *\n     * @param {string} string\n     *        The string to localize and the key to lookup in the language files.\n     * @param {string[]} [tokens]\n     *        If the current item has token replacements, provide the tokens here.\n     * @param {string} [defaultValue]\n     *        Defaults to `string`. Can be a default value to use for token replacement\n     *        if the lookup key is needed to be separate.\n     *\n     * @return {string}\n     *         The localized string or if no localization exists the english string.\n     */\n    ;\n\n    _proto.localize = function localize(string, tokens, defaultValue) {\n      if (defaultValue === void 0) {\n        defaultValue = string;\n      }\n\n      var code = this.player_.language && this.player_.language();\n      var languages = this.player_.languages && this.player_.languages();\n      var language = languages && languages[code];\n      var primaryCode = code && code.split('-')[0];\n      var primaryLang = languages && languages[primaryCode];\n      var localizedString = defaultValue;\n\n      if (language && language[string]) {\n        localizedString = language[string];\n      } else if (primaryLang && primaryLang[string]) {\n        localizedString = primaryLang[string];\n      }\n\n      if (tokens) {\n        localizedString = localizedString.replace(/\\{(\\d+)\\}/g, function (match, index) {\n          var value = tokens[index - 1];\n          var ret = value;\n\n          if (typeof value === 'undefined') {\n            ret = match;\n          }\n\n          return ret;\n        });\n      }\n\n      return localizedString;\n    }\n    /**\n     * Return the `Component`s DOM element. This is where children get inserted.\n     * This will usually be the the same as the element returned in {@link Component#el}.\n     *\n     * @return {Element}\n     *         The content element for this `Component`.\n     */\n    ;\n\n    _proto.contentEl = function contentEl() {\n      return this.contentEl_ || this.el_;\n    }\n    /**\n     * Get this `Component`s ID\n     *\n     * @return {string}\n     *         The id of this `Component`\n     */\n    ;\n\n    _proto.id = function id() {\n      return this.id_;\n    }\n    /**\n     * Get the `Component`s name. The name gets used to reference the `Component`\n     * and is set during registration.\n     *\n     * @return {string}\n     *         The name of this `Component`.\n     */\n    ;\n\n    _proto.name = function name() {\n      return this.name_;\n    }\n    /**\n     * Get an array of all child components\n     *\n     * @return {Array}\n     *         The children\n     */\n    ;\n\n    _proto.children = function children() {\n      return this.children_;\n    }\n    /**\n     * Returns the child `Component` with the given `id`.\n     *\n     * @param {string} id\n     *        The id of the child `Component` to get.\n     *\n     * @return {Component|undefined}\n     *         The child `Component` with the given `id` or undefined.\n     */\n    ;\n\n    _proto.getChildById = function getChildById(id) {\n      return this.childIndex_[id];\n    }\n    /**\n     * Returns the child `Component` with the given `name`.\n     *\n     * @param {string} name\n     *        The name of the child `Component` to get.\n     *\n     * @return {Component|undefined}\n     *         The child `Component` with the given `name` or undefined.\n     */\n    ;\n\n    _proto.getChild = function getChild(name) {\n      if (!name) {\n        return;\n      }\n\n      return this.childNameIndex_[name];\n    }\n    /**\n     * Add a child `Component` inside the current `Component`.\n     *\n     *\n     * @param {string|Component} child\n     *        The name or instance of a child to add.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of options that will get passed to children of\n     *        the child.\n     *\n     * @param {number} [index=this.children_.length]\n     *        The index to attempt to add a child into.\n     *\n     * @return {Component}\n     *         The `Component` that gets added as a child. When using a string the\n     *         `Component` will get created by this process.\n     */\n    ;\n\n    _proto.addChild = function addChild(child, options, index) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (index === void 0) {\n        index = this.children_.length;\n      }\n\n      var component;\n      var componentName; // If child is a string, create component with options\n\n      if (typeof child === 'string') {\n        componentName = toTitleCase(child);\n        var componentClassName = options.componentClass || componentName; // Set name through options\n\n        options.name = componentName; // Create a new object & element for this controls set\n        // If there's no .player_, this is a player\n\n        var ComponentClass = Component.getComponent(componentClassName);\n\n        if (!ComponentClass) {\n          throw new Error(\"Component \" + componentClassName + \" does not exist\");\n        } // data stored directly on the videojs object may be\n        // misidentified as a component to retain\n        // backwards-compatibility with 4.x. check to make sure the\n        // component class can be instantiated.\n\n\n        if (typeof ComponentClass !== 'function') {\n          return null;\n        }\n\n        component = new ComponentClass(this.player_ || this, options); // child is a component instance\n      } else {\n        component = child;\n      }\n\n      if (component.parentComponent_) {\n        component.parentComponent_.removeChild(component);\n      }\n\n      this.children_.splice(index, 0, component);\n      component.parentComponent_ = this;\n\n      if (typeof component.id === 'function') {\n        this.childIndex_[component.id()] = component;\n      } // If a name wasn't used to create the component, check if we can use the\n      // name function of the component\n\n\n      componentName = componentName || component.name && toTitleCase(component.name());\n\n      if (componentName) {\n        this.childNameIndex_[componentName] = component;\n        this.childNameIndex_[toLowerCase(componentName)] = component;\n      } // Add the UI object's element to the container div (box)\n      // Having an element is not required\n\n\n      if (typeof component.el === 'function' && component.el()) {\n        // If inserting before a component, insert before that component's element\n        var refNode = null;\n\n        if (this.children_[index + 1] && this.children_[index + 1].el_) {\n          refNode = this.children_[index + 1].el_;\n        }\n\n        this.contentEl().insertBefore(component.el(), refNode);\n      } // Return so it can stored on parent object if desired.\n\n\n      return component;\n    }\n    /**\n     * Remove a child `Component` from this `Component`s list of children. Also removes\n     * the child `Component`s element from this `Component`s element.\n     *\n     * @param {Component} component\n     *        The child `Component` to remove.\n     */\n    ;\n\n    _proto.removeChild = function removeChild(component) {\n      if (typeof component === 'string') {\n        component = this.getChild(component);\n      }\n\n      if (!component || !this.children_) {\n        return;\n      }\n\n      var childFound = false;\n\n      for (var i = this.children_.length - 1; i >= 0; i--) {\n        if (this.children_[i] === component) {\n          childFound = true;\n          this.children_.splice(i, 1);\n          break;\n        }\n      }\n\n      if (!childFound) {\n        return;\n      }\n\n      component.parentComponent_ = null;\n      this.childIndex_[component.id()] = null;\n      this.childNameIndex_[toTitleCase(component.name())] = null;\n      this.childNameIndex_[toLowerCase(component.name())] = null;\n      var compEl = component.el();\n\n      if (compEl && compEl.parentNode === this.contentEl()) {\n        this.contentEl().removeChild(component.el());\n      }\n    }\n    /**\n     * Add and initialize default child `Component`s based upon options.\n     */\n    ;\n\n    _proto.initChildren = function initChildren() {\n      var _this = this;\n\n      var children = this.options_.children;\n\n      if (children) {\n        // `this` is `parent`\n        var parentOptions = this.options_;\n\n        var handleAdd = function handleAdd(child) {\n          var name = child.name;\n          var opts = child.opts; // Allow options for children to be set at the parent options\n          // e.g. videojs(id, { controlBar: false });\n          // instead of videojs(id, { children: { controlBar: false });\n\n          if (parentOptions[name] !== undefined) {\n            opts = parentOptions[name];\n          } // Allow for disabling default components\n          // e.g. options['children']['posterImage'] = false\n\n\n          if (opts === false) {\n            return;\n          } // Allow options to be passed as a simple boolean if no configuration\n          // is necessary.\n\n\n          if (opts === true) {\n            opts = {};\n          } // We also want to pass the original player options\n          // to each component as well so they don't need to\n          // reach back into the player for options later.\n\n\n          opts.playerOptions = _this.options_.playerOptions; // Create and add the child component.\n          // Add a direct reference to the child by name on the parent instance.\n          // If two of the same component are used, different names should be supplied\n          // for each\n\n          var newChild = _this.addChild(name, opts);\n\n          if (newChild) {\n            _this[name] = newChild;\n          }\n        }; // Allow for an array of children details to passed in the options\n\n\n        var workingChildren;\n        var Tech = Component.getComponent('Tech');\n\n        if (Array.isArray(children)) {\n          workingChildren = children;\n        } else {\n          workingChildren = Object.keys(children);\n        }\n\n        workingChildren // children that are in this.options_ but also in workingChildren  would\n        // give us extra children we do not want. So, we want to filter them out.\n        .concat(Object.keys(this.options_).filter(function (child) {\n          return !workingChildren.some(function (wchild) {\n            if (typeof wchild === 'string') {\n              return child === wchild;\n            }\n\n            return child === wchild.name;\n          });\n        })).map(function (child) {\n          var name;\n          var opts;\n\n          if (typeof child === 'string') {\n            name = child;\n            opts = children[name] || _this.options_[name] || {};\n          } else {\n            name = child.name;\n            opts = child;\n          }\n\n          return {\n            name: name,\n            opts: opts\n          };\n        }).filter(function (child) {\n          // we have to make sure that child.name isn't in the techOrder since\n          // techs are registerd as Components but can't aren't compatible\n          // See https://github.com/videojs/video.js/issues/2772\n          var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));\n          return c && !Tech.isTech(c);\n        }).forEach(handleAdd);\n      }\n    }\n    /**\n     * Builds the default DOM class name. Should be overriden by sub-components.\n     *\n     * @return {string}\n     *         The DOM class name for this object.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      // Child classes can include a function that does:\n      // return 'CLASS NAME' + this._super();\n      return '';\n    }\n    /**\n     * Bind a listener to the component's ready state.\n     * Different from event listeners in that if the ready event has already happened\n     * it will trigger the function immediately.\n     *\n     * @return {Component}\n     *         Returns itself; method can be chained.\n     */\n    ;\n\n    _proto.ready = function ready(fn, sync) {\n      if (sync === void 0) {\n        sync = false;\n      }\n\n      if (!fn) {\n        return;\n      }\n\n      if (!this.isReady_) {\n        this.readyQueue_ = this.readyQueue_ || [];\n        this.readyQueue_.push(fn);\n        return;\n      }\n\n      if (sync) {\n        fn.call(this);\n      } else {\n        // Call the function asynchronously by default for consistency\n        this.setTimeout(fn, 1);\n      }\n    }\n    /**\n     * Trigger all the ready listeners for this `Component`.\n     *\n     * @fires Component#ready\n     */\n    ;\n\n    _proto.triggerReady = function triggerReady() {\n      this.isReady_ = true; // Ensure ready is triggered asynchronously\n\n      this.setTimeout(function () {\n        var readyQueue = this.readyQueue_; // Reset Ready Queue\n\n        this.readyQueue_ = [];\n\n        if (readyQueue && readyQueue.length > 0) {\n          readyQueue.forEach(function (fn) {\n            fn.call(this);\n          }, this);\n        } // Allow for using event listeners also\n\n        /**\n         * Triggered when a `Component` is ready.\n         *\n         * @event Component#ready\n         * @type {EventTarget~Event}\n         */\n\n\n        this.trigger('ready');\n      }, 1);\n    }\n    /**\n     * Find a single DOM element matching a `selector`. This can be within the `Component`s\n     * `contentEl()` or another custom context.\n     *\n     * @param {string} selector\n     *        A valid CSS selector, which will be passed to `querySelector`.\n     *\n     * @param {Element|string} [context=this.contentEl()]\n     *        A DOM element within which to query. Can also be a selector string in\n     *        which case the first matching element will get used as context. If\n     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns\n     *        nothing it falls back to `document`.\n     *\n     * @return {Element|null}\n     *         the dom element that was found, or null\n     *\n     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)\n     */\n    ;\n\n    _proto.$ = function $$1(selector, context) {\n      return $(selector, context || this.contentEl());\n    }\n    /**\n     * Finds all DOM element matching a `selector`. This can be within the `Component`s\n     * `contentEl()` or another custom context.\n     *\n     * @param {string} selector\n     *        A valid CSS selector, which will be passed to `querySelectorAll`.\n     *\n     * @param {Element|string} [context=this.contentEl()]\n     *        A DOM element within which to query. Can also be a selector string in\n     *        which case the first matching element will get used as context. If\n     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns\n     *        nothing it falls back to `document`.\n     *\n     * @return {NodeList}\n     *         a list of dom elements that were found\n     *\n     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)\n     */\n    ;\n\n    _proto.$$ = function $$$1(selector, context) {\n      return $$(selector, context || this.contentEl());\n    }\n    /**\n     * Check if a component's element has a CSS class name.\n     *\n     * @param {string} classToCheck\n     *        CSS class name to check.\n     *\n     * @return {boolean}\n     *         - True if the `Component` has the class.\n     *         - False if the `Component` does not have the class`\n     */\n    ;\n\n    _proto.hasClass = function hasClass$1(classToCheck) {\n      return hasClass(this.el_, classToCheck);\n    }\n    /**\n     * Add a CSS class name to the `Component`s element.\n     *\n     * @param {string} classToAdd\n     *        CSS class name to add\n     */\n    ;\n\n    _proto.addClass = function addClass$1(classToAdd) {\n      addClass(this.el_, classToAdd);\n    }\n    /**\n     * Remove a CSS class name from the `Component`s element.\n     *\n     * @param {string} classToRemove\n     *        CSS class name to remove\n     */\n    ;\n\n    _proto.removeClass = function removeClass$1(classToRemove) {\n      removeClass(this.el_, classToRemove);\n    }\n    /**\n     * Add or remove a CSS class name from the component's element.\n     * - `classToToggle` gets added when {@link Component#hasClass} would return false.\n     * - `classToToggle` gets removed when {@link Component#hasClass} would return true.\n     *\n     * @param  {string} classToToggle\n     *         The class to add or remove based on (@link Component#hasClass}\n     *\n     * @param  {boolean|Dom~predicate} [predicate]\n     *         An {@link Dom~predicate} function or a boolean\n     */\n    ;\n\n    _proto.toggleClass = function toggleClass$1(classToToggle, predicate) {\n      toggleClass(this.el_, classToToggle, predicate);\n    }\n    /**\n     * Show the `Component`s element if it is hidden by removing the\n     * 'vjs-hidden' class name from it.\n     */\n    ;\n\n    _proto.show = function show() {\n      this.removeClass('vjs-hidden');\n    }\n    /**\n     * Hide the `Component`s element if it is currently showing by adding the\n     * 'vjs-hidden` class name to it.\n     */\n    ;\n\n    _proto.hide = function hide() {\n      this.addClass('vjs-hidden');\n    }\n    /**\n     * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'\n     * class name to it. Used during fadeIn/fadeOut.\n     *\n     * @private\n     */\n    ;\n\n    _proto.lockShowing = function lockShowing() {\n      this.addClass('vjs-lock-showing');\n    }\n    /**\n     * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'\n     * class name from it. Used during fadeIn/fadeOut.\n     *\n     * @private\n     */\n    ;\n\n    _proto.unlockShowing = function unlockShowing() {\n      this.removeClass('vjs-lock-showing');\n    }\n    /**\n     * Get the value of an attribute on the `Component`s element.\n     *\n     * @param {string} attribute\n     *        Name of the attribute to get the value from.\n     *\n     * @return {string|null}\n     *         - The value of the attribute that was asked for.\n     *         - Can be an empty string on some browsers if the attribute does not exist\n     *           or has no value\n     *         - Most browsers will return null if the attibute does not exist or has\n     *           no value.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}\n     */\n    ;\n\n    _proto.getAttribute = function getAttribute$1(attribute) {\n      return getAttribute(this.el_, attribute);\n    }\n    /**\n     * Set the value of an attribute on the `Component`'s element\n     *\n     * @param {string} attribute\n     *        Name of the attribute to set.\n     *\n     * @param {string} value\n     *        Value to set the attribute to.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}\n     */\n    ;\n\n    _proto.setAttribute = function setAttribute$1(attribute, value) {\n      setAttribute(this.el_, attribute, value);\n    }\n    /**\n     * Remove an attribute from the `Component`s element.\n     *\n     * @param {string} attribute\n     *        Name of the attribute to remove.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}\n     */\n    ;\n\n    _proto.removeAttribute = function removeAttribute$1(attribute) {\n      removeAttribute(this.el_, attribute);\n    }\n    /**\n     * Get or set the width of the component based upon the CSS styles.\n     * See {@link Component#dimension} for more detailed information.\n     *\n     * @param {number|string} [num]\n     *        The width that you want to set postfixed with '%', 'px' or nothing.\n     *\n     * @param {boolean} [skipListeners]\n     *        Skip the componentresize event trigger\n     *\n     * @return {number|string}\n     *         The width when getting, zero if there is no width. Can be a string\n     *           postpixed with '%' or 'px'.\n     */\n    ;\n\n    _proto.width = function width(num, skipListeners) {\n      return this.dimension('width', num, skipListeners);\n    }\n    /**\n     * Get or set the height of the component based upon the CSS styles.\n     * See {@link Component#dimension} for more detailed information.\n     *\n     * @param {number|string} [num]\n     *        The height that you want to set postfixed with '%', 'px' or nothing.\n     *\n     * @param {boolean} [skipListeners]\n     *        Skip the componentresize event trigger\n     *\n     * @return {number|string}\n     *         The width when getting, zero if there is no width. Can be a string\n     *         postpixed with '%' or 'px'.\n     */\n    ;\n\n    _proto.height = function height(num, skipListeners) {\n      return this.dimension('height', num, skipListeners);\n    }\n    /**\n     * Set both the width and height of the `Component` element at the same time.\n     *\n     * @param  {number|string} width\n     *         Width to set the `Component`s element to.\n     *\n     * @param  {number|string} height\n     *         Height to set the `Component`s element to.\n     */\n    ;\n\n    _proto.dimensions = function dimensions(width, height) {\n      // Skip componentresize listeners on width for optimization\n      this.width(width, true);\n      this.height(height);\n    }\n    /**\n     * Get or set width or height of the `Component` element. This is the shared code\n     * for the {@link Component#width} and {@link Component#height}.\n     *\n     * Things to know:\n     * - If the width or height in an number this will return the number postfixed with 'px'.\n     * - If the width/height is a percent this will return the percent postfixed with '%'\n     * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function\n     *   defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.\n     *   See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}\n     *   for more information\n     * - If you want the computed style of the component, use {@link Component#currentWidth}\n     *   and {@link {Component#currentHeight}\n     *\n     * @fires Component#componentresize\n     *\n     * @param {string} widthOrHeight\n     8        'width' or 'height'\n     *\n     * @param  {number|string} [num]\n     8         New dimension\n     *\n     * @param  {boolean} [skipListeners]\n     *         Skip componentresize event trigger\n     *\n     * @return {number}\n     *         The dimension when getting or 0 if unset\n     */\n    ;\n\n    _proto.dimension = function dimension(widthOrHeight, num, skipListeners) {\n      if (num !== undefined) {\n        // Set to zero if null or literally NaN (NaN !== NaN)\n        if (num === null || num !== num) {\n          num = 0;\n        } // Check if using css width/height (% or px) and adjust\n\n\n        if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {\n          this.el_.style[widthOrHeight] = num;\n        } else if (num === 'auto') {\n          this.el_.style[widthOrHeight] = '';\n        } else {\n          this.el_.style[widthOrHeight] = num + 'px';\n        } // skipListeners allows us to avoid triggering the resize event when setting both width and height\n\n\n        if (!skipListeners) {\n          /**\n           * Triggered when a component is resized.\n           *\n           * @event Component#componentresize\n           * @type {EventTarget~Event}\n           */\n          this.trigger('componentresize');\n        }\n\n        return;\n      } // Not setting a value, so getting it\n      // Make sure element exists\n\n\n      if (!this.el_) {\n        return 0;\n      } // Get dimension value from style\n\n\n      var val = this.el_.style[widthOrHeight];\n      var pxIndex = val.indexOf('px');\n\n      if (pxIndex !== -1) {\n        // Return the pixel value with no 'px'\n        return parseInt(val.slice(0, pxIndex), 10);\n      } // No px so using % or no style was set, so falling back to offsetWidth/height\n      // If component has display:none, offset will return 0\n      // TODO: handle display:none and no dimension style using px\n\n\n      return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);\n    }\n    /**\n     * Get the computed width or the height of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @param {string} widthOrHeight\n     *        A string containing 'width' or 'height'. Whichever one you want to get.\n     *\n     * @return {number}\n     *         The dimension that gets asked for or 0 if nothing was set\n     *         for that dimension.\n     */\n    ;\n\n    _proto.currentDimension = function currentDimension(widthOrHeight) {\n      var computedWidthOrHeight = 0;\n\n      if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {\n        throw new Error('currentDimension only accepts width or height value');\n      }\n\n      computedWidthOrHeight = computedStyle(this.el_, widthOrHeight); // remove 'px' from variable and parse as integer\n\n      computedWidthOrHeight = parseFloat(computedWidthOrHeight); // if the computed value is still 0, it's possible that the browser is lying\n      // and we want to check the offset values.\n      // This code also runs wherever getComputedStyle doesn't exist.\n\n      if (computedWidthOrHeight === 0 || isNaN(computedWidthOrHeight)) {\n        var rule = \"offset\" + toTitleCase(widthOrHeight);\n        computedWidthOrHeight = this.el_[rule];\n      }\n\n      return computedWidthOrHeight;\n    }\n    /**\n     * An object that contains width and height values of the `Component`s\n     * computed style. Uses `window.getComputedStyle`.\n     *\n     * @typedef {Object} Component~DimensionObject\n     *\n     * @property {number} width\n     *           The width of the `Component`s computed style.\n     *\n     * @property {number} height\n     *           The height of the `Component`s computed style.\n     */\n\n    /**\n     * Get an object that contains computed width and height values of the\n     * component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {Component~DimensionObject}\n     *         The computed dimensions of the component's element.\n     */\n    ;\n\n    _proto.currentDimensions = function currentDimensions() {\n      return {\n        width: this.currentDimension('width'),\n        height: this.currentDimension('height')\n      };\n    }\n    /**\n     * Get the computed width of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {number}\n     *         The computed width of the component's element.\n     */\n    ;\n\n    _proto.currentWidth = function currentWidth() {\n      return this.currentDimension('width');\n    }\n    /**\n     * Get the computed height of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {number}\n     *         The computed height of the component's element.\n     */\n    ;\n\n    _proto.currentHeight = function currentHeight() {\n      return this.currentDimension('height');\n    }\n    /**\n     * Set the focus to this component\n     */\n    ;\n\n    _proto.focus = function focus() {\n      this.el_.focus();\n    }\n    /**\n     * Remove the focus from this component\n     */\n    ;\n\n    _proto.blur = function blur() {\n      this.el_.blur();\n    }\n    /**\n     * When this Component receives a `keydown` event which it does not process,\n     *  it passes the event to the Player for handling.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (this.player_) {\n        // We only stop propagation here because we want unhandled events to fall\n        // back to the browser.\n        event.stopPropagation();\n        this.player_.handleKeyDown(event);\n      }\n    }\n    /**\n     * Many components used to have a `handleKeyPress` method, which was poorly\n     * named because it listened to a `keydown` event. This method name now\n     * delegates to `handleKeyDown`. This means anyone calling `handleKeyPress`\n     * will not see their method calls stop working.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleKeyPress = function handleKeyPress(event) {\n      this.handleKeyDown(event);\n    }\n    /**\n     * Emit a 'tap' events when touch event support gets detected. This gets used to\n     * support toggling the controls through a tap on the video. They get enabled\n     * because every sub-component would have extra overhead otherwise.\n     *\n     * @private\n     * @fires Component#tap\n     * @listens Component#touchstart\n     * @listens Component#touchmove\n     * @listens Component#touchleave\n     * @listens Component#touchcancel\n     * @listens Component#touchend\n      */\n    ;\n\n    _proto.emitTapEvents = function emitTapEvents() {\n      // Track the start time so we can determine how long the touch lasted\n      var touchStart = 0;\n      var firstTouch = null; // Maximum movement allowed during a touch event to still be considered a tap\n      // Other popular libs use anywhere from 2 (hammer.js) to 15,\n      // so 10 seems like a nice, round number.\n\n      var tapMovementThreshold = 10; // The maximum length a touch can be while still being considered a tap\n\n      var touchTimeThreshold = 200;\n      var couldBeTap;\n      this.on('touchstart', function (event) {\n        // If more than one finger, don't consider treating this as a click\n        if (event.touches.length === 1) {\n          // Copy pageX/pageY from the object\n          firstTouch = {\n            pageX: event.touches[0].pageX,\n            pageY: event.touches[0].pageY\n          }; // Record start time so we can detect a tap vs. \"touch and hold\"\n\n          touchStart = window$3.performance.now(); // Reset couldBeTap tracking\n\n          couldBeTap = true;\n        }\n      });\n      this.on('touchmove', function (event) {\n        // If more than one finger, don't consider treating this as a click\n        if (event.touches.length > 1) {\n          couldBeTap = false;\n        } else if (firstTouch) {\n          // Some devices will throw touchmoves for all but the slightest of taps.\n          // So, if we moved only a small distance, this could still be a tap\n          var xdiff = event.touches[0].pageX - firstTouch.pageX;\n          var ydiff = event.touches[0].pageY - firstTouch.pageY;\n          var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);\n\n          if (touchDistance > tapMovementThreshold) {\n            couldBeTap = false;\n          }\n        }\n      });\n\n      var noTap = function noTap() {\n        couldBeTap = false;\n      }; // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s\n\n\n      this.on('touchleave', noTap);\n      this.on('touchcancel', noTap); // When the touch ends, measure how long it took and trigger the appropriate\n      // event\n\n      this.on('touchend', function (event) {\n        firstTouch = null; // Proceed only if the touchmove/leave/cancel event didn't happen\n\n        if (couldBeTap === true) {\n          // Measure how long the touch lasted\n          var touchTime = window$3.performance.now() - touchStart; // Make sure the touch was less than the threshold to be considered a tap\n\n          if (touchTime < touchTimeThreshold) {\n            // Don't let browser turn this into a click\n            event.preventDefault();\n            /**\n             * Triggered when a `Component` is tapped.\n             *\n             * @event Component#tap\n             * @type {EventTarget~Event}\n             */\n\n            this.trigger('tap'); // It may be good to copy the touchend event object and change the\n            // type to tap, if the other event properties aren't exact after\n            // Events.fixEvent runs (e.g. event.target)\n          }\n        }\n      });\n    }\n    /**\n     * This function reports user activity whenever touch events happen. This can get\n     * turned off by any sub-components that wants touch events to act another way.\n     *\n     * Report user touch activity when touch events occur. User activity gets used to\n     * determine when controls should show/hide. It is simple when it comes to mouse\n     * events, because any mouse event should show the controls. So we capture mouse\n     * events that bubble up to the player and report activity when that happens.\n     * With touch events it isn't as easy as `touchstart` and `touchend` toggle player\n     * controls. So touch events can't help us at the player level either.\n     *\n     * User activity gets checked asynchronously. So what could happen is a tap event\n     * on the video turns the controls off. Then the `touchend` event bubbles up to\n     * the player. Which, if it reported user activity, would turn the controls right\n     * back on. We also don't want to completely block touch events from bubbling up.\n     * Furthermore a `touchmove` event and anything other than a tap, should not turn\n     * controls back on.\n     *\n     * @listens Component#touchstart\n     * @listens Component#touchmove\n     * @listens Component#touchend\n     * @listens Component#touchcancel\n     */\n    ;\n\n    _proto.enableTouchActivity = function enableTouchActivity() {\n      // Don't continue if the root player doesn't support reporting user activity\n      if (!this.player() || !this.player().reportUserActivity) {\n        return;\n      } // listener for reporting that the user is active\n\n\n      var report = bind(this.player(), this.player().reportUserActivity);\n      var touchHolding;\n      this.on('touchstart', function () {\n        report(); // For as long as the they are touching the device or have their mouse down,\n        // we consider them active even if they're not moving their finger or mouse.\n        // So we want to continue to update that they are active\n\n        this.clearInterval(touchHolding); // report at the same interval as activityCheck\n\n        touchHolding = this.setInterval(report, 250);\n      });\n\n      var touchEnd = function touchEnd(event) {\n        report(); // stop the interval that maintains activity if the touch is holding\n\n        this.clearInterval(touchHolding);\n      };\n\n      this.on('touchmove', report);\n      this.on('touchend', touchEnd);\n      this.on('touchcancel', touchEnd);\n    }\n    /**\n     * A callback that has no parameters and is bound into `Component`s context.\n     *\n     * @callback Component~GenericCallback\n     * @this Component\n     */\n\n    /**\n     * Creates a function that runs after an `x` millisecond timeout. This function is a\n     * wrapper around `window.setTimeout`. There are a few reasons to use this one\n     * instead though:\n     * 1. It gets cleared via  {@link Component#clearTimeout} when\n     *    {@link Component#dispose} gets called.\n     * 2. The function callback will gets turned into a {@link Component~GenericCallback}\n     *\n     * > Note: You can't use `window.clearTimeout` on the id returned by this function. This\n     *         will cause its dispose listener not to get cleaned up! Please use\n     *         {@link Component#clearTimeout} or {@link Component#dispose} instead.\n     *\n     * @param {Component~GenericCallback} fn\n     *        The function that will be run after `timeout`.\n     *\n     * @param {number} timeout\n     *        Timeout in milliseconds to delay before executing the specified function.\n     *\n     * @return {number}\n     *         Returns a timeout ID that gets used to identify the timeout. It can also\n     *         get used in {@link Component#clearTimeout} to clear the timeout that\n     *         was set.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}\n     */\n    ;\n\n    _proto.setTimeout = function setTimeout(fn, timeout) {\n      var _this2 = this;\n\n      // declare as variables so they are properly available in timeout function\n      // eslint-disable-next-line\n      var timeoutId;\n      fn = bind(this, fn);\n      this.clearTimersOnDispose_();\n      timeoutId = window$3.setTimeout(function () {\n        if (_this2.setTimeoutIds_.has(timeoutId)) {\n          _this2.setTimeoutIds_[\"delete\"](timeoutId);\n        }\n\n        fn();\n      }, timeout);\n      this.setTimeoutIds_.add(timeoutId);\n      return timeoutId;\n    }\n    /**\n     * Clears a timeout that gets created via `window.setTimeout` or\n     * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}\n     * use this function instead of `window.clearTimout`. If you don't your dispose\n     * listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} timeoutId\n     *        The id of the timeout to clear. The return value of\n     *        {@link Component#setTimeout} or `window.setTimeout`.\n     *\n     * @return {number}\n     *         Returns the timeout id that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}\n     */\n    ;\n\n    _proto.clearTimeout = function clearTimeout(timeoutId) {\n      if (this.setTimeoutIds_.has(timeoutId)) {\n        this.setTimeoutIds_[\"delete\"](timeoutId);\n        window$3.clearTimeout(timeoutId);\n      }\n\n      return timeoutId;\n    }\n    /**\n     * Creates a function that gets run every `x` milliseconds. This function is a wrapper\n     * around `window.setInterval`. There are a few reasons to use this one instead though.\n     * 1. It gets cleared via  {@link Component#clearInterval} when\n     *    {@link Component#dispose} gets called.\n     * 2. The function callback will be a {@link Component~GenericCallback}\n     *\n     * @param {Component~GenericCallback} fn\n     *        The function to run every `x` seconds.\n     *\n     * @param {number} interval\n     *        Execute the specified function every `x` milliseconds.\n     *\n     * @return {number}\n     *         Returns an id that can be used to identify the interval. It can also be be used in\n     *         {@link Component#clearInterval} to clear the interval.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}\n     */\n    ;\n\n    _proto.setInterval = function setInterval(fn, interval) {\n      fn = bind(this, fn);\n      this.clearTimersOnDispose_();\n      var intervalId = window$3.setInterval(fn, interval);\n      this.setIntervalIds_.add(intervalId);\n      return intervalId;\n    }\n    /**\n     * Clears an interval that gets created via `window.setInterval` or\n     * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}\n     * use this function instead of `window.clearInterval`. If you don't your dispose\n     * listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} intervalId\n     *        The id of the interval to clear. The return value of\n     *        {@link Component#setInterval} or `window.setInterval`.\n     *\n     * @return {number}\n     *         Returns the interval id that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}\n     */\n    ;\n\n    _proto.clearInterval = function clearInterval(intervalId) {\n      if (this.setIntervalIds_.has(intervalId)) {\n        this.setIntervalIds_[\"delete\"](intervalId);\n        window$3.clearInterval(intervalId);\n      }\n\n      return intervalId;\n    }\n    /**\n     * Queues up a callback to be passed to requestAnimationFrame (rAF), but\n     * with a few extra bonuses:\n     *\n     * - Supports browsers that do not support rAF by falling back to\n     *   {@link Component#setTimeout}.\n     *\n     * - The callback is turned into a {@link Component~GenericCallback} (i.e.\n     *   bound to the component).\n     *\n     * - Automatic cancellation of the rAF callback is handled if the component\n     *   is disposed before it is called.\n     *\n     * @param  {Component~GenericCallback} fn\n     *         A function that will be bound to this component and executed just\n     *         before the browser's next repaint.\n     *\n     * @return {number}\n     *         Returns an rAF ID that gets used to identify the timeout. It can\n     *         also be used in {@link Component#cancelAnimationFrame} to cancel\n     *         the animation frame callback.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}\n     */\n    ;\n\n    _proto.requestAnimationFrame = function requestAnimationFrame(fn) {\n      var _this3 = this;\n\n      // Fall back to using a timer.\n      if (!this.supportsRaf_) {\n        return this.setTimeout(fn, 1000 / 60);\n      }\n\n      this.clearTimersOnDispose_(); // declare as variables so they are properly available in rAF function\n      // eslint-disable-next-line\n\n      var id;\n      fn = bind(this, fn);\n      id = window$3.requestAnimationFrame(function () {\n        if (_this3.rafIds_.has(id)) {\n          _this3.rafIds_[\"delete\"](id);\n        }\n\n        fn();\n      });\n      this.rafIds_.add(id);\n      return id;\n    }\n    /**\n     * Cancels a queued callback passed to {@link Component#requestAnimationFrame}\n     * (rAF).\n     *\n     * If you queue an rAF callback via {@link Component#requestAnimationFrame},\n     * use this function instead of `window.cancelAnimationFrame`. If you don't,\n     * your dispose listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} id\n     *        The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.\n     *\n     * @return {number}\n     *         Returns the rAF ID that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}\n     */\n    ;\n\n    _proto.cancelAnimationFrame = function cancelAnimationFrame(id) {\n      // Fall back to using a timer.\n      if (!this.supportsRaf_) {\n        return this.clearTimeout(id);\n      }\n\n      if (this.rafIds_.has(id)) {\n        this.rafIds_[\"delete\"](id);\n        window$3.cancelAnimationFrame(id);\n      }\n\n      return id;\n    }\n    /**\n     * A function to setup `requestAnimationFrame`, `setTimeout`,\n     * and `setInterval`, clearing on dispose.\n     *\n     * > Previously each timer added and removed dispose listeners on it's own.\n     * For better performance it was decided to batch them all, and use `Set`s\n     * to track outstanding timer ids.\n     *\n     * @private\n     */\n    ;\n\n    _proto.clearTimersOnDispose_ = function clearTimersOnDispose_() {\n      var _this4 = this;\n\n      if (this.clearingTimersOnDispose_) {\n        return;\n      }\n\n      this.clearingTimersOnDispose_ = true;\n      this.one('dispose', function () {\n        [['rafIds_', 'cancelAnimationFrame'], ['setTimeoutIds_', 'clearTimeout'], ['setIntervalIds_', 'clearInterval']].forEach(function (_ref) {\n          var idName = _ref[0],\n              cancelName = _ref[1];\n\n          _this4[idName].forEach(_this4[cancelName], _this4);\n        });\n        _this4.clearingTimersOnDispose_ = false;\n      });\n    }\n    /**\n     * Register a `Component` with `videojs` given the name and the component.\n     *\n     * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s\n     *         should be registered using {@link Tech.registerTech} or\n     *         {@link videojs:videojs.registerTech}.\n     *\n     * > NOTE: This function can also be seen on videojs as\n     *         {@link videojs:videojs.registerComponent}.\n     *\n     * @param {string} name\n     *        The name of the `Component` to register.\n     *\n     * @param {Component} ComponentToRegister\n     *        The `Component` class to register.\n     *\n     * @return {Component}\n     *         The `Component` that was registered.\n     */\n    ;\n\n    Component.registerComponent = function registerComponent(name, ComponentToRegister) {\n      if (typeof name !== 'string' || !name) {\n        throw new Error(\"Illegal component name, \\\"\" + name + \"\\\"; must be a non-empty string.\");\n      }\n\n      var Tech = Component.getComponent('Tech'); // We need to make sure this check is only done if Tech has been registered.\n\n      var isTech = Tech && Tech.isTech(ComponentToRegister);\n      var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);\n\n      if (isTech || !isComp) {\n        var reason;\n\n        if (isTech) {\n          reason = 'techs must be registered using Tech.registerTech()';\n        } else {\n          reason = 'must be a Component subclass';\n        }\n\n        throw new Error(\"Illegal component, \\\"\" + name + \"\\\"; \" + reason + \".\");\n      }\n\n      name = toTitleCase(name);\n\n      if (!Component.components_) {\n        Component.components_ = {};\n      }\n\n      var Player = Component.getComponent('Player');\n\n      if (name === 'Player' && Player && Player.players) {\n        var players = Player.players;\n        var playerNames = Object.keys(players); // If we have players that were disposed, then their name will still be\n        // in Players.players. So, we must loop through and verify that the value\n        // for each item is not null. This allows registration of the Player component\n        // after all players have been disposed or before any were created.\n\n        if (players && playerNames.length > 0 && playerNames.map(function (pname) {\n          return players[pname];\n        }).every(Boolean)) {\n          throw new Error('Can not register Player component after player has been created.');\n        }\n      }\n\n      Component.components_[name] = ComponentToRegister;\n      Component.components_[toLowerCase(name)] = ComponentToRegister;\n      return ComponentToRegister;\n    }\n    /**\n     * Get a `Component` based on the name it was registered with.\n     *\n     * @param {string} name\n     *        The Name of the component to get.\n     *\n     * @return {Component}\n     *         The `Component` that got registered under the given name.\n     *\n     * @deprecated In `videojs` 6 this will not return `Component`s that were not\n     *             registered using {@link Component.registerComponent}. Currently we\n     *             check the global `videojs` object for a `Component` name and\n     *             return that if it exists.\n     */\n    ;\n\n    Component.getComponent = function getComponent(name) {\n      if (!name || !Component.components_) {\n        return;\n      }\n\n      return Component.components_[name];\n    };\n\n    return Component;\n  }();\n  /**\n   * Whether or not this component supports `requestAnimationFrame`.\n   *\n   * This is exposed primarily for testing purposes.\n   *\n   * @private\n   * @type {Boolean}\n   */\n\n\n  Component.prototype.supportsRaf_ = typeof window$3.requestAnimationFrame === 'function' && typeof window$3.cancelAnimationFrame === 'function';\n  Component.registerComponent('Component', Component);\n\n  function _assertThisInitialized(self) {\n    if (self === void 0) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return self;\n  }\n\n  var assertThisInitialized = _assertThisInitialized;\n\n  var _typeof_1 = createCommonjsModule(function (module) {\n    function _typeof(obj) {\n      \"@babel/helpers - typeof\";\n\n      if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n        module.exports = _typeof = function _typeof(obj) {\n          return typeof obj;\n        };\n      } else {\n        module.exports = _typeof = function _typeof(obj) {\n          return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n        };\n      }\n\n      return _typeof(obj);\n    }\n\n    module.exports = _typeof;\n  });\n\n  var getPrototypeOf = createCommonjsModule(function (module) {\n    function _getPrototypeOf(o) {\n      module.exports = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {\n        return o.__proto__ || Object.getPrototypeOf(o);\n      };\n      return _getPrototypeOf(o);\n    }\n\n    module.exports = _getPrototypeOf;\n  });\n\n  function _inheritsLoose(subClass, superClass) {\n    subClass.prototype = Object.create(superClass.prototype);\n    subClass.prototype.constructor = subClass;\n    subClass.__proto__ = superClass;\n  }\n\n  var inheritsLoose = _inheritsLoose;\n\n  /**\n   * @file browser.js\n   * @module browser\n   */\n  var USER_AGENT = window$3.navigator && window$3.navigator.userAgent || '';\n  var webkitVersionMap = /AppleWebKit\\/([\\d.]+)/i.exec(USER_AGENT);\n  var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;\n  /**\n   * Whether or not this device is an iPod.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IPOD = /iPod/i.test(USER_AGENT);\n  /**\n   * The detected iOS version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {string|null}\n   */\n\n  var IOS_VERSION = function () {\n    var match = USER_AGENT.match(/OS (\\d+)_/i);\n\n    if (match && match[1]) {\n      return match[1];\n    }\n\n    return null;\n  }();\n  /**\n   * Whether or not this is an Android device.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_ANDROID = /Android/i.test(USER_AGENT);\n  /**\n   * The detected Android version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|string|null}\n   */\n\n  var ANDROID_VERSION = function () {\n    // This matches Android Major.Minor.Patch versions\n    // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned\n    var match = USER_AGENT.match(/Android (\\d+)(?:\\.(\\d+))?(?:\\.(\\d+))*/i);\n\n    if (!match) {\n      return null;\n    }\n\n    var major = match[1] && parseFloat(match[1]);\n    var minor = match[2] && parseFloat(match[2]);\n\n    if (major && minor) {\n      return parseFloat(match[1] + '.' + match[2]);\n    } else if (major) {\n      return major;\n    }\n\n    return null;\n  }();\n  /**\n   * Whether or not this is a native Android browser.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;\n  /**\n   * Whether or not this is Mozilla Firefox.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_FIREFOX = /Firefox/i.test(USER_AGENT);\n  /**\n   * Whether or not this is Microsoft Edge.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_EDGE = /Edg/i.test(USER_AGENT);\n  /**\n   * Whether or not this is Google Chrome.\n   *\n   * This will also be `true` for Chrome on iOS, which will have different support\n   * as it is actually Safari under the hood.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT));\n  /**\n   * The detected Google Chrome version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|null}\n   */\n\n  var CHROME_VERSION = function () {\n    var match = USER_AGENT.match(/(Chrome|CriOS)\\/(\\d+)/);\n\n    if (match && match[2]) {\n      return parseFloat(match[2]);\n    }\n\n    return null;\n  }();\n  /**\n   * The detected Internet Explorer version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|null}\n   */\n\n  var IE_VERSION = function () {\n    var result = /MSIE\\s(\\d+)\\.\\d/.exec(USER_AGENT);\n    var version = result && parseFloat(result[1]);\n\n    if (!version && /Trident\\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {\n      // IE 11 has a different user agent string than other IE versions\n      version = 11.0;\n    }\n\n    return version;\n  }();\n  /**\n   * Whether or not this is desktop Safari.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;\n  /**\n   * Whether or not this is a Windows machine.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_WINDOWS = /Windows/i.test(USER_AGENT);\n  /**\n   * Whether or not this device is touch-enabled.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var TOUCH_ENABLED = isReal() && ('ontouchstart' in window$3 || window$3.navigator.maxTouchPoints || window$3.DocumentTouch && window$3.document instanceof window$3.DocumentTouch);\n  /**\n   * Whether or not this device is an iPad.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IPAD = /iPad/i.test(USER_AGENT) || IS_SAFARI && TOUCH_ENABLED && !/iPhone/i.test(USER_AGENT);\n  /**\n   * Whether or not this device is an iPhone.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n  // The Facebook app's UIWebView identifies as both an iPhone and iPad, so\n  // to identify iPhones, we need to exclude iPads.\n  // http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/\n\n  var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;\n  /**\n   * Whether or not this is an iOS device.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;\n  /**\n   * Whether or not this is any flavor of Safari - including iOS.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;\n\n  var browser = /*#__PURE__*/Object.freeze({\n    IS_IPOD: IS_IPOD,\n    IOS_VERSION: IOS_VERSION,\n    IS_ANDROID: IS_ANDROID,\n    ANDROID_VERSION: ANDROID_VERSION,\n    IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,\n    IS_FIREFOX: IS_FIREFOX,\n    IS_EDGE: IS_EDGE,\n    IS_CHROME: IS_CHROME,\n    CHROME_VERSION: CHROME_VERSION,\n    IE_VERSION: IE_VERSION,\n    IS_SAFARI: IS_SAFARI,\n    IS_WINDOWS: IS_WINDOWS,\n    TOUCH_ENABLED: TOUCH_ENABLED,\n    IS_IPAD: IS_IPAD,\n    IS_IPHONE: IS_IPHONE,\n    IS_IOS: IS_IOS,\n    IS_ANY_SAFARI: IS_ANY_SAFARI\n  });\n\n  /**\n   * @file time-ranges.js\n   * @module time-ranges\n   */\n\n  /**\n   * Returns the time for the specified index at the start or end\n   * of a TimeRange object.\n   *\n   * @typedef    {Function} TimeRangeIndex\n   *\n   * @param      {number} [index=0]\n   *             The range number to return the time for.\n   *\n   * @return     {number}\n   *             The time offset at the specified index.\n   *\n   * @deprecated The index argument must be provided.\n   *             In the future, leaving it out will throw an error.\n   */\n\n  /**\n   * An object that contains ranges of time.\n   *\n   * @typedef  {Object} TimeRange\n   *\n   * @property {number} length\n   *           The number of time ranges represented by this object.\n   *\n   * @property {module:time-ranges~TimeRangeIndex} start\n   *           Returns the time offset at which a specified time range begins.\n   *\n   * @property {module:time-ranges~TimeRangeIndex} end\n   *           Returns the time offset at which a specified time range ends.\n   *\n   * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges\n   */\n\n  /**\n   * Check if any of the time ranges are over the maximum index.\n   *\n   * @private\n   * @param   {string} fnName\n   *          The function name to use for logging\n   *\n   * @param   {number} index\n   *          The index to check\n   *\n   * @param   {number} maxIndex\n   *          The maximum possible index\n   *\n   * @throws  {Error} if the timeRanges provided are over the maxIndex\n   */\n  function rangeCheck(fnName, index, maxIndex) {\n    if (typeof index !== 'number' || index < 0 || index > maxIndex) {\n      throw new Error(\"Failed to execute '\" + fnName + \"' on 'TimeRanges': The index provided (\" + index + \") is non-numeric or out of bounds (0-\" + maxIndex + \").\");\n    }\n  }\n  /**\n   * Get the time for the specified index at the start or end\n   * of a TimeRange object.\n   *\n   * @private\n   * @param      {string} fnName\n   *             The function name to use for logging\n   *\n   * @param      {string} valueIndex\n   *             The property that should be used to get the time. should be\n   *             'start' or 'end'\n   *\n   * @param      {Array} ranges\n   *             An array of time ranges\n   *\n   * @param      {Array} [rangeIndex=0]\n   *             The index to start the search at\n   *\n   * @return     {number}\n   *             The time that offset at the specified index.\n   *\n   * @deprecated rangeIndex must be set to a value, in the future this will throw an error.\n   * @throws     {Error} if rangeIndex is more than the length of ranges\n   */\n\n\n  function getRange(fnName, valueIndex, ranges, rangeIndex) {\n    rangeCheck(fnName, rangeIndex, ranges.length - 1);\n    return ranges[rangeIndex][valueIndex];\n  }\n  /**\n   * Create a time range object given ranges of time.\n   *\n   * @private\n   * @param   {Array} [ranges]\n   *          An array of time ranges.\n   */\n\n\n  function createTimeRangesObj(ranges) {\n    if (ranges === undefined || ranges.length === 0) {\n      return {\n        length: 0,\n        start: function start() {\n          throw new Error('This TimeRanges object is empty');\n        },\n        end: function end() {\n          throw new Error('This TimeRanges object is empty');\n        }\n      };\n    }\n\n    return {\n      length: ranges.length,\n      start: getRange.bind(null, 'start', 0, ranges),\n      end: getRange.bind(null, 'end', 1, ranges)\n    };\n  }\n  /**\n   * Create a `TimeRange` object which mimics an\n   * {@link https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges|HTML5 TimeRanges instance}.\n   *\n   * @param {number|Array[]} start\n   *        The start of a single range (a number) or an array of ranges (an\n   *        array of arrays of two numbers each).\n   *\n   * @param {number} end\n   *        The end of a single range. Cannot be used with the array form of\n   *        the `start` argument.\n   */\n\n\n  function createTimeRanges(start, end) {\n    if (Array.isArray(start)) {\n      return createTimeRangesObj(start);\n    } else if (start === undefined || end === undefined) {\n      return createTimeRangesObj();\n    }\n\n    return createTimeRangesObj([[start, end]]);\n  }\n\n  /**\n   * @file buffer.js\n   * @module buffer\n   */\n  /**\n   * Compute the percentage of the media that has been buffered.\n   *\n   * @param {TimeRange} buffered\n   *        The current `TimeRange` object representing buffered time ranges\n   *\n   * @param {number} duration\n   *        Total duration of the media\n   *\n   * @return {number}\n   *         Percent buffered of the total duration in decimal form.\n   */\n\n  function bufferedPercent(buffered, duration) {\n    var bufferedDuration = 0;\n    var start;\n    var end;\n\n    if (!duration) {\n      return 0;\n    }\n\n    if (!buffered || !buffered.length) {\n      buffered = createTimeRanges(0, 0);\n    }\n\n    for (var i = 0; i < buffered.length; i++) {\n      start = buffered.start(i);\n      end = buffered.end(i); // buffered end can be bigger than duration by a very small fraction\n\n      if (end > duration) {\n        end = duration;\n      }\n\n      bufferedDuration += end - start;\n    }\n\n    return bufferedDuration / duration;\n  }\n\n  /**\n   * @file fullscreen-api.js\n   * @module fullscreen-api\n   * @private\n   */\n  /**\n   * Store the browser-specific methods for the fullscreen API.\n   *\n   * @type {Object}\n   * @see [Specification]{@link https://fullscreen.spec.whatwg.org}\n   * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}\n   */\n\n  var FullscreenApi = {\n    prefixed: true\n  }; // browser API methods\n\n  var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror', 'fullscreen'], // WebKit\n  ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror', '-webkit-full-screen'], // Mozilla\n  ['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror', '-moz-full-screen'], // Microsoft\n  ['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError', '-ms-fullscreen']];\n  var specApi = apiMap[0];\n  var browserApi; // determine the supported set of functions\n\n  for (var i = 0; i < apiMap.length; i++) {\n    // check for exitFullscreen function\n    if (apiMap[i][1] in document) {\n      browserApi = apiMap[i];\n      break;\n    }\n  } // map the browser API names to the spec API names\n\n\n  if (browserApi) {\n    for (var _i = 0; _i < browserApi.length; _i++) {\n      FullscreenApi[specApi[_i]] = browserApi[_i];\n    }\n\n    FullscreenApi.prefixed = browserApi[0] !== specApi[0];\n  }\n\n  /**\n   * @file media-error.js\n   */\n  /**\n   * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.\n   *\n   * @param {number|string|Object|MediaError} value\n   *        This can be of multiple types:\n   *        - number: should be a standard error code\n   *        - string: an error message (the code will be 0)\n   *        - Object: arbitrary properties\n   *        - `MediaError` (native): used to populate a video.js `MediaError` object\n   *        - `MediaError` (video.js): will return itself if it's already a\n   *          video.js `MediaError` object.\n   *\n   * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}\n   * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}\n   *\n   * @class MediaError\n   */\n\n  function MediaError(value) {\n    // Allow redundant calls to this constructor to avoid having `instanceof`\n    // checks peppered around the code.\n    if (value instanceof MediaError) {\n      return value;\n    }\n\n    if (typeof value === 'number') {\n      this.code = value;\n    } else if (typeof value === 'string') {\n      // default code is zero, so this is a custom error\n      this.message = value;\n    } else if (isObject(value)) {\n      // We assign the `code` property manually because native `MediaError` objects\n      // do not expose it as an own/enumerable property of the object.\n      if (typeof value.code === 'number') {\n        this.code = value.code;\n      }\n\n      assign(this, value);\n    }\n\n    if (!this.message) {\n      this.message = MediaError.defaultMessages[this.code] || '';\n    }\n  }\n  /**\n   * The error code that refers two one of the defined `MediaError` types\n   *\n   * @type {Number}\n   */\n\n\n  MediaError.prototype.code = 0;\n  /**\n   * An optional message that to show with the error. Message is not part of the HTML5\n   * video spec but allows for more informative custom errors.\n   *\n   * @type {String}\n   */\n\n  MediaError.prototype.message = '';\n  /**\n   * An optional status code that can be set by plugins to allow even more detail about\n   * the error. For example a plugin might provide a specific HTTP status code and an\n   * error message for that code. Then when the plugin gets that error this class will\n   * know how to display an error message for it. This allows a custom message to show\n   * up on the `Player` error overlay.\n   *\n   * @type {Array}\n   */\n\n  MediaError.prototype.status = null;\n  /**\n   * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the\n   * specification listed under {@link MediaError} for more information.\n   *\n   * @enum {array}\n   * @readonly\n   * @property {string} 0 - MEDIA_ERR_CUSTOM\n   * @property {string} 1 - MEDIA_ERR_ABORTED\n   * @property {string} 2 - MEDIA_ERR_NETWORK\n   * @property {string} 3 - MEDIA_ERR_DECODE\n   * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED\n   * @property {string} 5 - MEDIA_ERR_ENCRYPTED\n   */\n\n  MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];\n  /**\n   * The default `MediaError` messages based on the {@link MediaError.errorTypes}.\n   *\n   * @type {Array}\n   * @constant\n   */\n\n  MediaError.defaultMessages = {\n    1: 'You aborted the media playback',\n    2: 'A network error caused the media download to fail part-way.',\n    3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',\n    4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',\n    5: 'The media is encrypted and we do not have the keys to decrypt it.'\n  }; // Add types as properties on MediaError\n  // e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;\n\n  for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {\n    MediaError[MediaError.errorTypes[errNum]] = errNum; // values should be accessible on both the class and instance\n\n    MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;\n  } // jsdocs for instance/static members added above\n\n  var tuple = SafeParseTuple;\n\n  function SafeParseTuple(obj, reviver) {\n    var json;\n    var error = null;\n\n    try {\n      json = JSON.parse(obj, reviver);\n    } catch (err) {\n      error = err;\n    }\n\n    return [error, json];\n  }\n\n  /**\n   * Returns whether an object is `Promise`-like (i.e. has a `then` method).\n   *\n   * @param  {Object}  value\n   *         An object that may or may not be `Promise`-like.\n   *\n   * @return {boolean}\n   *         Whether or not the object is `Promise`-like.\n   */\n  function isPromise(value) {\n    return value !== undefined && value !== null && typeof value.then === 'function';\n  }\n  /**\n   * Silence a Promise-like object.\n   *\n   * This is useful for avoiding non-harmful, but potentially confusing \"uncaught\n   * play promise\" rejection error messages.\n   *\n   * @param  {Object} value\n   *         An object that may or may not be `Promise`-like.\n   */\n\n  function silencePromise(value) {\n    if (isPromise(value)) {\n      value.then(null, function (e) {});\n    }\n  }\n\n  /**\n   * @file text-track-list-converter.js Utilities for capturing text track state and\n   * re-creating tracks based on a capture.\n   *\n   * @module text-track-list-converter\n   */\n\n  /**\n   * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that\n   * represents the {@link TextTrack}'s state.\n   *\n   * @param {TextTrack} track\n   *        The text track to query.\n   *\n   * @return {Object}\n   *         A serializable javascript representation of the TextTrack.\n   * @private\n   */\n  var trackToJson_ = function trackToJson_(track) {\n    var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {\n      if (track[prop]) {\n        acc[prop] = track[prop];\n      }\n\n      return acc;\n    }, {\n      cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {\n        return {\n          startTime: cue.startTime,\n          endTime: cue.endTime,\n          text: cue.text,\n          id: cue.id\n        };\n      })\n    });\n    return ret;\n  };\n  /**\n   * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the\n   * state of all {@link TextTrack}s currently configured. The return array is compatible with\n   * {@link text-track-list-converter:jsonToTextTracks}.\n   *\n   * @param {Tech} tech\n   *        The tech object to query\n   *\n   * @return {Array}\n   *         A serializable javascript representation of the {@link Tech}s\n   *         {@link TextTrackList}.\n   */\n\n\n  var textTracksToJson = function textTracksToJson(tech) {\n    var trackEls = tech.$$('track');\n    var trackObjs = Array.prototype.map.call(trackEls, function (t) {\n      return t.track;\n    });\n    var tracks = Array.prototype.map.call(trackEls, function (trackEl) {\n      var json = trackToJson_(trackEl.track);\n\n      if (trackEl.src) {\n        json.src = trackEl.src;\n      }\n\n      return json;\n    });\n    return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {\n      return trackObjs.indexOf(track) === -1;\n    }).map(trackToJson_));\n  };\n  /**\n   * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript\n   * object {@link TextTrack} representations.\n   *\n   * @param {Array} json\n   *        An array of `TextTrack` representation objects, like those that would be\n   *        produced by `textTracksToJson`.\n   *\n   * @param {Tech} tech\n   *        The `Tech` to create the `TextTrack`s on.\n   */\n\n\n  var jsonToTextTracks = function jsonToTextTracks(json, tech) {\n    json.forEach(function (track) {\n      var addedTrack = tech.addRemoteTextTrack(track).track;\n\n      if (!track.src && track.cues) {\n        track.cues.forEach(function (cue) {\n          return addedTrack.addCue(cue);\n        });\n      }\n    });\n    return tech.textTracks();\n  };\n\n  var textTrackConverter = {\n    textTracksToJson: textTracksToJson,\n    jsonToTextTracks: jsonToTextTracks,\n    trackToJson_: trackToJson_\n  };\n\n  var keycode = createCommonjsModule(function (module, exports) {\n    // Source: http://jsfiddle.net/vWx8V/\n    // http://stackoverflow.com/questions/5603195/full-list-of-javascript-keycodes\n\n    /**\n     * Conenience method returns corresponding value for given keyName or keyCode.\n     *\n     * @param {Mixed} keyCode {Number} or keyName {String}\n     * @return {Mixed}\n     * @api public\n     */\n    function keyCode(searchInput) {\n      // Keyboard Events\n      if (searchInput && 'object' === typeof searchInput) {\n        var hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode;\n        if (hasKeyCode) searchInput = hasKeyCode;\n      } // Numbers\n\n\n      if ('number' === typeof searchInput) return names[searchInput]; // Everything else (cast to string)\n\n      var search = String(searchInput); // check codes\n\n      var foundNamedKey = codes[search.toLowerCase()];\n      if (foundNamedKey) return foundNamedKey; // check aliases\n\n      var foundNamedKey = aliases[search.toLowerCase()];\n      if (foundNamedKey) return foundNamedKey; // weird character?\n\n      if (search.length === 1) return search.charCodeAt(0);\n      return undefined;\n    }\n    /**\n     * Compares a keyboard event with a given keyCode or keyName.\n     *\n     * @param {Event} event Keyboard event that should be tested\n     * @param {Mixed} keyCode {Number} or keyName {String}\n     * @return {Boolean}\n     * @api public\n     */\n\n\n    keyCode.isEventKey = function isEventKey(event, nameOrCode) {\n      if (event && 'object' === typeof event) {\n        var keyCode = event.which || event.keyCode || event.charCode;\n\n        if (keyCode === null || keyCode === undefined) {\n          return false;\n        }\n\n        if (typeof nameOrCode === 'string') {\n          // check codes\n          var foundNamedKey = codes[nameOrCode.toLowerCase()];\n\n          if (foundNamedKey) {\n            return foundNamedKey === keyCode;\n          } // check aliases\n\n\n          var foundNamedKey = aliases[nameOrCode.toLowerCase()];\n\n          if (foundNamedKey) {\n            return foundNamedKey === keyCode;\n          }\n        } else if (typeof nameOrCode === 'number') {\n          return nameOrCode === keyCode;\n        }\n\n        return false;\n      }\n    };\n\n    exports = module.exports = keyCode;\n    /**\n     * Get by name\n     *\n     *   exports.code['enter'] // => 13\n     */\n\n    var codes = exports.code = exports.codes = {\n      'backspace': 8,\n      'tab': 9,\n      'enter': 13,\n      'shift': 16,\n      'ctrl': 17,\n      'alt': 18,\n      'pause/break': 19,\n      'caps lock': 20,\n      'esc': 27,\n      'space': 32,\n      'page up': 33,\n      'page down': 34,\n      'end': 35,\n      'home': 36,\n      'left': 37,\n      'up': 38,\n      'right': 39,\n      'down': 40,\n      'insert': 45,\n      'delete': 46,\n      'command': 91,\n      'left command': 91,\n      'right command': 93,\n      'numpad *': 106,\n      'numpad +': 107,\n      'numpad -': 109,\n      'numpad .': 110,\n      'numpad /': 111,\n      'num lock': 144,\n      'scroll lock': 145,\n      'my computer': 182,\n      'my calculator': 183,\n      ';': 186,\n      '=': 187,\n      ',': 188,\n      '-': 189,\n      '.': 190,\n      '/': 191,\n      '`': 192,\n      '[': 219,\n      '\\\\': 220,\n      ']': 221,\n      \"'\": 222\n    }; // Helper aliases\n\n    var aliases = exports.aliases = {\n      'windows': 91,\n      '⇧': 16,\n      '⌥': 18,\n      '⌃': 17,\n      '⌘': 91,\n      'ctl': 17,\n      'control': 17,\n      'option': 18,\n      'pause': 19,\n      'break': 19,\n      'caps': 20,\n      'return': 13,\n      'escape': 27,\n      'spc': 32,\n      'spacebar': 32,\n      'pgup': 33,\n      'pgdn': 34,\n      'ins': 45,\n      'del': 46,\n      'cmd': 91\n    };\n    /*!\n     * Programatically add the following\n     */\n    // lower case chars\n\n    for (i = 97; i < 123; i++) {\n      codes[String.fromCharCode(i)] = i - 32;\n    } // numbers\n\n\n    for (var i = 48; i < 58; i++) {\n      codes[i - 48] = i;\n    } // function keys\n\n\n    for (i = 1; i < 13; i++) {\n      codes['f' + i] = i + 111;\n    } // numpad keys\n\n\n    for (i = 0; i < 10; i++) {\n      codes['numpad ' + i] = i + 96;\n    }\n    /**\n     * Get by code\n     *\n     *   exports.name[13] // => 'Enter'\n     */\n\n\n    var names = exports.names = exports.title = {}; // title for backward compat\n    // Create reverse mapping\n\n    for (i in codes) {\n      names[codes[i]] = i;\n    } // Add aliases\n\n\n    for (var alias in aliases) {\n      codes[alias] = aliases[alias];\n    }\n  });\n  var keycode_1 = keycode.code;\n  var keycode_2 = keycode.codes;\n  var keycode_3 = keycode.aliases;\n  var keycode_4 = keycode.names;\n  var keycode_5 = keycode.title;\n\n  var MODAL_CLASS_NAME = 'vjs-modal-dialog';\n  /**\n   * The `ModalDialog` displays over the video and its controls, which blocks\n   * interaction with the player until it is closed.\n   *\n   * Modal dialogs include a \"Close\" button and will close when that button\n   * is activated - or when ESC is pressed anywhere.\n   *\n   * @extends Component\n   */\n\n  var ModalDialog = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ModalDialog, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Mixed} [options.content=undefined]\n     *        Provide customized content for this modal.\n     *\n     * @param {string} [options.description]\n     *        A text description for the modal, primarily for accessibility.\n     *\n     * @param {boolean} [options.fillAlways=false]\n     *        Normally, modals are automatically filled only the first time\n     *        they open. This tells the modal to refresh its content\n     *        every time it opens.\n     *\n     * @param {string} [options.label]\n     *        A text label for the modal, primarily for accessibility.\n     *\n     * @param {boolean} [options.pauseOnOpen=true]\n     *        If `true`, playback will will be paused if playing when\n     *        the modal opens, and resumed when it closes.\n     *\n     * @param {boolean} [options.temporary=true]\n     *        If `true`, the modal can only be opened once; it will be\n     *        disposed as soon as it's closed.\n     *\n     * @param {boolean} [options.uncloseable=false]\n     *        If `true`, the user will not be able to close the modal\n     *        through the UI in the normal ways. Programmatic closing is\n     *        still possible.\n     */\n    function ModalDialog(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;\n\n      _this.closeable(!_this.options_.uncloseable);\n\n      _this.content(_this.options_.content); // Make sure the contentEl is defined AFTER any children are initialized\n      // because we only want the contents of the modal in the contentEl\n      // (not the UI elements like the close button).\n\n\n      _this.contentEl_ = createEl('div', {\n        className: MODAL_CLASS_NAME + \"-content\"\n      }, {\n        role: 'document'\n      });\n      _this.descEl_ = createEl('p', {\n        className: MODAL_CLASS_NAME + \"-description vjs-control-text\",\n        id: _this.el().getAttribute('aria-describedby')\n      });\n      textContent(_this.descEl_, _this.description());\n\n      _this.el_.appendChild(_this.descEl_);\n\n      _this.el_.appendChild(_this.contentEl_);\n\n      return _this;\n    }\n    /**\n     * Create the `ModalDialog`'s DOM element\n     *\n     * @return {Element}\n     *         The DOM element that gets created.\n     */\n\n\n    var _proto = ModalDialog.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildCSSClass(),\n        tabIndex: -1\n      }, {\n        'aria-describedby': this.id() + \"_description\",\n        'aria-hidden': 'true',\n        'aria-label': this.label(),\n        'role': 'dialog'\n      });\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.descEl_ = null;\n      this.previouslyActiveEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return MODAL_CLASS_NAME + \" vjs-hidden \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Returns the label string for this modal. Primarily used for accessibility.\n     *\n     * @return {string}\n     *         the localized or raw label of this modal.\n     */\n    ;\n\n    _proto.label = function label() {\n      return this.localize(this.options_.label || 'Modal Window');\n    }\n    /**\n     * Returns the description string for this modal. Primarily used for\n     * accessibility.\n     *\n     * @return {string}\n     *         The localized or raw description of this modal.\n     */\n    ;\n\n    _proto.description = function description() {\n      var desc = this.options_.description || this.localize('This is a modal window.'); // Append a universal closeability message if the modal is closeable.\n\n      if (this.closeable()) {\n        desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');\n      }\n\n      return desc;\n    }\n    /**\n     * Opens the modal.\n     *\n     * @fires ModalDialog#beforemodalopen\n     * @fires ModalDialog#modalopen\n     */\n    ;\n\n    _proto.open = function open() {\n      if (!this.opened_) {\n        var player = this.player();\n        /**\n          * Fired just before a `ModalDialog` is opened.\n          *\n          * @event ModalDialog#beforemodalopen\n          * @type {EventTarget~Event}\n          */\n\n        this.trigger('beforemodalopen');\n        this.opened_ = true; // Fill content if the modal has never opened before and\n        // never been filled.\n\n        if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {\n          this.fill();\n        } // If the player was playing, pause it and take note of its previously\n        // playing state.\n\n\n        this.wasPlaying_ = !player.paused();\n\n        if (this.options_.pauseOnOpen && this.wasPlaying_) {\n          player.pause();\n        }\n\n        this.on('keydown', this.handleKeyDown); // Hide controls and note if they were enabled.\n\n        this.hadControls_ = player.controls();\n        player.controls(false);\n        this.show();\n        this.conditionalFocus_();\n        this.el().setAttribute('aria-hidden', 'false');\n        /**\n          * Fired just after a `ModalDialog` is opened.\n          *\n          * @event ModalDialog#modalopen\n          * @type {EventTarget~Event}\n          */\n\n        this.trigger('modalopen');\n        this.hasBeenOpened_ = true;\n      }\n    }\n    /**\n     * If the `ModalDialog` is currently open or closed.\n     *\n     * @param  {boolean} [value]\n     *         If given, it will open (`true`) or close (`false`) the modal.\n     *\n     * @return {boolean}\n     *         the current open state of the modaldialog\n     */\n    ;\n\n    _proto.opened = function opened(value) {\n      if (typeof value === 'boolean') {\n        this[value ? 'open' : 'close']();\n      }\n\n      return this.opened_;\n    }\n    /**\n     * Closes the modal, does nothing if the `ModalDialog` is\n     * not open.\n     *\n     * @fires ModalDialog#beforemodalclose\n     * @fires ModalDialog#modalclose\n     */\n    ;\n\n    _proto.close = function close() {\n      if (!this.opened_) {\n        return;\n      }\n\n      var player = this.player();\n      /**\n        * Fired just before a `ModalDialog` is closed.\n        *\n        * @event ModalDialog#beforemodalclose\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('beforemodalclose');\n      this.opened_ = false;\n\n      if (this.wasPlaying_ && this.options_.pauseOnOpen) {\n        player.play();\n      }\n\n      this.off('keydown', this.handleKeyDown);\n\n      if (this.hadControls_) {\n        player.controls(true);\n      }\n\n      this.hide();\n      this.el().setAttribute('aria-hidden', 'true');\n      /**\n        * Fired just after a `ModalDialog` is closed.\n        *\n        * @event ModalDialog#modalclose\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('modalclose');\n      this.conditionalBlur_();\n\n      if (this.options_.temporary) {\n        this.dispose();\n      }\n    }\n    /**\n     * Check to see if the `ModalDialog` is closeable via the UI.\n     *\n     * @param  {boolean} [value]\n     *         If given as a boolean, it will set the `closeable` option.\n     *\n     * @return {boolean}\n     *         Returns the final value of the closable option.\n     */\n    ;\n\n    _proto.closeable = function closeable(value) {\n      if (typeof value === 'boolean') {\n        var closeable = this.closeable_ = !!value;\n        var close = this.getChild('closeButton'); // If this is being made closeable and has no close button, add one.\n\n        if (closeable && !close) {\n          // The close button should be a child of the modal - not its\n          // content element, so temporarily change the content element.\n          var temp = this.contentEl_;\n          this.contentEl_ = this.el_;\n          close = this.addChild('closeButton', {\n            controlText: 'Close Modal Dialog'\n          });\n          this.contentEl_ = temp;\n          this.on(close, 'close', this.close);\n        } // If this is being made uncloseable and has a close button, remove it.\n\n\n        if (!closeable && close) {\n          this.off(close, 'close', this.close);\n          this.removeChild(close);\n          close.dispose();\n        }\n      }\n\n      return this.closeable_;\n    }\n    /**\n     * Fill the modal's content element with the modal's \"content\" option.\n     * The content element will be emptied before this change takes place.\n     */\n    ;\n\n    _proto.fill = function fill() {\n      this.fillWith(this.content());\n    }\n    /**\n     * Fill the modal's content element with arbitrary content.\n     * The content element will be emptied before this change takes place.\n     *\n     * @fires ModalDialog#beforemodalfill\n     * @fires ModalDialog#modalfill\n     *\n     * @param {Mixed} [content]\n     *        The same rules apply to this as apply to the `content` option.\n     */\n    ;\n\n    _proto.fillWith = function fillWith(content) {\n      var contentEl = this.contentEl();\n      var parentEl = contentEl.parentNode;\n      var nextSiblingEl = contentEl.nextSibling;\n      /**\n        * Fired just before a `ModalDialog` is filled with content.\n        *\n        * @event ModalDialog#beforemodalfill\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('beforemodalfill');\n      this.hasBeenFilled_ = true; // Detach the content element from the DOM before performing\n      // manipulation to avoid modifying the live DOM multiple times.\n\n      parentEl.removeChild(contentEl);\n      this.empty();\n      insertContent(contentEl, content);\n      /**\n       * Fired just after a `ModalDialog` is filled with content.\n       *\n       * @event ModalDialog#modalfill\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('modalfill'); // Re-inject the re-filled content element.\n\n      if (nextSiblingEl) {\n        parentEl.insertBefore(contentEl, nextSiblingEl);\n      } else {\n        parentEl.appendChild(contentEl);\n      } // make sure that the close button is last in the dialog DOM\n\n\n      var closeButton = this.getChild('closeButton');\n\n      if (closeButton) {\n        parentEl.appendChild(closeButton.el_);\n      }\n    }\n    /**\n     * Empties the content element. This happens anytime the modal is filled.\n     *\n     * @fires ModalDialog#beforemodalempty\n     * @fires ModalDialog#modalempty\n     */\n    ;\n\n    _proto.empty = function empty() {\n      /**\n      * Fired just before a `ModalDialog` is emptied.\n      *\n      * @event ModalDialog#beforemodalempty\n      * @type {EventTarget~Event}\n      */\n      this.trigger('beforemodalempty');\n      emptyEl(this.contentEl());\n      /**\n      * Fired just after a `ModalDialog` is emptied.\n      *\n      * @event ModalDialog#modalempty\n      * @type {EventTarget~Event}\n      */\n\n      this.trigger('modalempty');\n    }\n    /**\n     * Gets or sets the modal content, which gets normalized before being\n     * rendered into the DOM.\n     *\n     * This does not update the DOM or fill the modal, but it is called during\n     * that process.\n     *\n     * @param  {Mixed} [value]\n     *         If defined, sets the internal content value to be used on the\n     *         next call(s) to `fill`. This value is normalized before being\n     *         inserted. To \"clear\" the internal content value, pass `null`.\n     *\n     * @return {Mixed}\n     *         The current content of the modal dialog\n     */\n    ;\n\n    _proto.content = function content(value) {\n      if (typeof value !== 'undefined') {\n        this.content_ = value;\n      }\n\n      return this.content_;\n    }\n    /**\n     * conditionally focus the modal dialog if focus was previously on the player.\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalFocus_ = function conditionalFocus_() {\n      var activeEl = document.activeElement;\n      var playerEl = this.player_.el_;\n      this.previouslyActiveEl_ = null;\n\n      if (playerEl.contains(activeEl) || playerEl === activeEl) {\n        this.previouslyActiveEl_ = activeEl;\n        this.focus();\n      }\n    }\n    /**\n     * conditionally blur the element and refocus the last focused element\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalBlur_ = function conditionalBlur_() {\n      if (this.previouslyActiveEl_) {\n        this.previouslyActiveEl_.focus();\n        this.previouslyActiveEl_ = null;\n      }\n    }\n    /**\n     * Keydown handler. Attached when modal is focused.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Do not allow keydowns to reach out of the modal dialog.\n      event.stopPropagation();\n\n      if (keycode.isEventKey(event, 'Escape') && this.closeable()) {\n        event.preventDefault();\n        this.close();\n        return;\n      } // exit early if it isn't a tab key\n\n\n      if (!keycode.isEventKey(event, 'Tab')) {\n        return;\n      }\n\n      var focusableEls = this.focusableEls_();\n      var activeEl = this.el_.querySelector(':focus');\n      var focusIndex;\n\n      for (var i = 0; i < focusableEls.length; i++) {\n        if (activeEl === focusableEls[i]) {\n          focusIndex = i;\n          break;\n        }\n      }\n\n      if (document.activeElement === this.el_) {\n        focusIndex = 0;\n      }\n\n      if (event.shiftKey && focusIndex === 0) {\n        focusableEls[focusableEls.length - 1].focus();\n        event.preventDefault();\n      } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {\n        focusableEls[0].focus();\n        event.preventDefault();\n      }\n    }\n    /**\n     * get all focusable elements\n     *\n     * @private\n     */\n    ;\n\n    _proto.focusableEls_ = function focusableEls_() {\n      var allChildren = this.el_.querySelectorAll('*');\n      return Array.prototype.filter.call(allChildren, function (child) {\n        return (child instanceof window$3.HTMLAnchorElement || child instanceof window$3.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window$3.HTMLInputElement || child instanceof window$3.HTMLSelectElement || child instanceof window$3.HTMLTextAreaElement || child instanceof window$3.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window$3.HTMLIFrameElement || child instanceof window$3.HTMLObjectElement || child instanceof window$3.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');\n      });\n    };\n\n    return ModalDialog;\n  }(Component);\n  /**\n   * Default options for `ModalDialog` default options.\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ModalDialog.prototype.options_ = {\n    pauseOnOpen: true,\n    temporary: true\n  };\n  Component.registerComponent('ModalDialog', ModalDialog);\n\n  /**\n   * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and\n   * {@link VideoTrackList}\n   *\n   * @extends EventTarget\n   */\n\n  var TrackList = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(TrackList, _EventTarget);\n\n    /**\n     * Create an instance of this class\n     *\n     * @param {Track[]} tracks\n     *        A list of tracks to initialize the list with.\n     *\n     * @abstract\n     */\n    function TrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      _this = _EventTarget.call(this) || this;\n      _this.tracks_ = [];\n      /**\n       * @memberof TrackList\n       * @member {number} length\n       *         The current number of `Track`s in the this Trackist.\n       * @instance\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'length', {\n        get: function get() {\n          return this.tracks_.length;\n        }\n      });\n\n      for (var i = 0; i < tracks.length; i++) {\n        _this.addTrack(tracks[i]);\n      }\n\n      return _this;\n    }\n    /**\n     * Add a {@link Track} to the `TrackList`\n     *\n     * @param {Track} track\n     *        The audio, video, or text track to add to the list.\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = TrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var index = this.tracks_.length;\n\n      if (!('' + index in this)) {\n        Object.defineProperty(this, index, {\n          get: function get() {\n            return this.tracks_[index];\n          }\n        });\n      } // Do not add duplicate tracks\n\n\n      if (this.tracks_.indexOf(track) === -1) {\n        this.tracks_.push(track);\n        /**\n         * Triggered when a track is added to a track list.\n         *\n         * @event TrackList#addtrack\n         * @type {EventTarget~Event}\n         * @property {Track} track\n         *           A reference to track that was added.\n         */\n\n        this.trigger({\n          track: track,\n          type: 'addtrack',\n          target: this\n        });\n      }\n    }\n    /**\n     * Remove a {@link Track} from the `TrackList`\n     *\n     * @param {Track} rtrack\n     *        The audio, video, or text track to remove from the list.\n     *\n     * @fires TrackList#removetrack\n     */\n    ;\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      var track;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        if (this[i] === rtrack) {\n          track = this[i];\n\n          if (track.off) {\n            track.off();\n          }\n\n          this.tracks_.splice(i, 1);\n          break;\n        }\n      }\n\n      if (!track) {\n        return;\n      }\n      /**\n       * Triggered when a track is removed from track list.\n       *\n       * @event TrackList#removetrack\n       * @type {EventTarget~Event}\n       * @property {Track} track\n       *           A reference to track that was removed.\n       */\n\n\n      this.trigger({\n        track: track,\n        type: 'removetrack',\n        target: this\n      });\n    }\n    /**\n     * Get a Track from the TrackList by a tracks id\n     *\n     * @param {string} id - the id of the track to get\n     * @method getTrackById\n     * @return {Track}\n     * @private\n     */\n    ;\n\n    _proto.getTrackById = function getTrackById(id) {\n      var result = null;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        var track = this[i];\n\n        if (track.id === id) {\n          result = track;\n          break;\n        }\n      }\n\n      return result;\n    };\n\n    return TrackList;\n  }(EventTarget);\n  /**\n   * Triggered when a different track is selected/enabled.\n   *\n   * @event TrackList#change\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Events that can be called with on + eventName. See {@link EventHandler}.\n   *\n   * @property {Object} TrackList#allowedEvents_\n   * @private\n   */\n\n\n  TrackList.prototype.allowedEvents_ = {\n    change: 'change',\n    addtrack: 'addtrack',\n    removetrack: 'removetrack'\n  }; // emulate attribute EventHandler support to allow for feature detection\n\n  for (var event in TrackList.prototype.allowedEvents_) {\n    TrackList.prototype['on' + event] = null;\n  }\n\n  /**\n   * Anywhere we call this function we diverge from the spec\n   * as we only support one enabled audiotrack at a time\n   *\n   * @param {AudioTrackList} list\n   *        list to work on\n   *\n   * @param {AudioTrack} track\n   *        The track to skip\n   *\n   * @private\n   */\n\n  var disableOthers = function disableOthers(list, track) {\n    for (var i = 0; i < list.length; i++) {\n      if (!Object.keys(list[i]).length || track.id === list[i].id) {\n        continue;\n      } // another audio track is enabled, disable it\n\n\n      list[i].enabled = false;\n    }\n  };\n  /**\n   * The current list of {@link AudioTrack} for a media file.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}\n   * @extends TrackList\n   */\n\n\n  var AudioTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(AudioTrackList, _TrackList);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {AudioTrack[]} [tracks=[]]\n     *        A list of `AudioTrack` to instantiate the list with.\n     */\n    function AudioTrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      // make sure only 1 track is enabled\n      // sorted from last index to first index\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        if (tracks[i].enabled) {\n          disableOthers(tracks, tracks[i]);\n          break;\n        }\n      }\n\n      _this = _TrackList.call(this, tracks) || this;\n      _this.changing_ = false;\n      return _this;\n    }\n    /**\n     * Add an {@link AudioTrack} to the `AudioTrackList`.\n     *\n     * @param {AudioTrack} track\n     *        The AudioTrack to add to the list\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = AudioTrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var _this2 = this;\n\n      if (track.enabled) {\n        disableOthers(this, track);\n      }\n\n      _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this\n\n\n      if (!track.addEventListener) {\n        return;\n      }\n\n      track.enabledChange_ = function () {\n        // when we are disabling other tracks (since we don't support\n        // more than one track at a time) we will set changing_\n        // to true so that we don't trigger additional change events\n        if (_this2.changing_) {\n          return;\n        }\n\n        _this2.changing_ = true;\n        disableOthers(_this2, track);\n        _this2.changing_ = false;\n\n        _this2.trigger('change');\n      };\n      /**\n       * @listens AudioTrack#enabledchange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('enabledchange', track.enabledChange_);\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack);\n\n      if (rtrack.removeEventListener && rtrack.enabledChange_) {\n        rtrack.removeEventListener('enabledchange', rtrack.enabledChange_);\n        rtrack.enabledChange_ = null;\n      }\n    };\n\n    return AudioTrackList;\n  }(TrackList);\n\n  /**\n   * Un-select all other {@link VideoTrack}s that are selected.\n   *\n   * @param {VideoTrackList} list\n   *        list to work on\n   *\n   * @param {VideoTrack} track\n   *        The track to skip\n   *\n   * @private\n   */\n\n  var disableOthers$1 = function disableOthers(list, track) {\n    for (var i = 0; i < list.length; i++) {\n      if (!Object.keys(list[i]).length || track.id === list[i].id) {\n        continue;\n      } // another video track is enabled, disable it\n\n\n      list[i].selected = false;\n    }\n  };\n  /**\n   * The current list of {@link VideoTrack} for a video.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}\n   * @extends TrackList\n   */\n\n\n  var VideoTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(VideoTrackList, _TrackList);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {VideoTrack[]} [tracks=[]]\n     *        A list of `VideoTrack` to instantiate the list with.\n     */\n    function VideoTrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      // make sure only 1 track is enabled\n      // sorted from last index to first index\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        if (tracks[i].selected) {\n          disableOthers$1(tracks, tracks[i]);\n          break;\n        }\n      }\n\n      _this = _TrackList.call(this, tracks) || this;\n      _this.changing_ = false;\n      /**\n       * @member {number} VideoTrackList#selectedIndex\n       *         The current index of the selected {@link VideoTrack`}.\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'selectedIndex', {\n        get: function get() {\n          for (var _i = 0; _i < this.length; _i++) {\n            if (this[_i].selected) {\n              return _i;\n            }\n          }\n\n          return -1;\n        },\n        set: function set() {}\n      });\n      return _this;\n    }\n    /**\n     * Add a {@link VideoTrack} to the `VideoTrackList`.\n     *\n     * @param {VideoTrack} track\n     *        The VideoTrack to add to the list\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = VideoTrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var _this2 = this;\n\n      if (track.selected) {\n        disableOthers$1(this, track);\n      }\n\n      _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this\n\n\n      if (!track.addEventListener) {\n        return;\n      }\n\n      track.selectedChange_ = function () {\n        if (_this2.changing_) {\n          return;\n        }\n\n        _this2.changing_ = true;\n        disableOthers$1(_this2, track);\n        _this2.changing_ = false;\n\n        _this2.trigger('change');\n      };\n      /**\n       * @listens VideoTrack#selectedchange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('selectedchange', track.selectedChange_);\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack);\n\n      if (rtrack.removeEventListener && rtrack.selectedChange_) {\n        rtrack.removeEventListener('selectedchange', rtrack.selectedChange_);\n        rtrack.selectedChange_ = null;\n      }\n    };\n\n    return VideoTrackList;\n  }(TrackList);\n\n  /**\n   * The current list of {@link TextTrack} for a media file.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}\n   * @extends TrackList\n   */\n\n  var TextTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(TextTrackList, _TrackList);\n\n    function TextTrackList() {\n      return _TrackList.apply(this, arguments) || this;\n    }\n\n    var _proto = TextTrackList.prototype;\n\n    /**\n     * Add a {@link TextTrack} to the `TextTrackList`\n     *\n     * @param {TextTrack} track\n     *        The text track to add to the list.\n     *\n     * @fires TrackList#addtrack\n     */\n    _proto.addTrack = function addTrack(track) {\n      var _this = this;\n\n      _TrackList.prototype.addTrack.call(this, track);\n\n      if (!this.queueChange_) {\n        this.queueChange_ = function () {\n          return _this.queueTrigger('change');\n        };\n      }\n\n      if (!this.triggerSelectedlanguagechange) {\n        this.triggerSelectedlanguagechange_ = function () {\n          return _this.trigger('selectedlanguagechange');\n        };\n      }\n      /**\n       * @listens TextTrack#modechange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('modechange', this.queueChange_);\n      var nonLanguageTextTrackKind = ['metadata', 'chapters'];\n\n      if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {\n        track.addEventListener('modechange', this.triggerSelectedlanguagechange_);\n      }\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack); // manually remove the event handlers we added\n\n\n      if (rtrack.removeEventListener) {\n        if (this.queueChange_) {\n          rtrack.removeEventListener('modechange', this.queueChange_);\n        }\n\n        if (this.selectedlanguagechange_) {\n          rtrack.removeEventListener('modechange', this.triggerSelectedlanguagechange_);\n        }\n      }\n    };\n\n    return TextTrackList;\n  }(TrackList);\n\n  /**\n   * @file html-track-element-list.js\n   */\n\n  /**\n   * The current list of {@link HtmlTrackElement}s.\n   */\n  var HtmlTrackElementList = /*#__PURE__*/function () {\n    /**\n     * Create an instance of this class.\n     *\n     * @param {HtmlTrackElement[]} [tracks=[]]\n     *        A list of `HtmlTrackElement` to instantiate the list with.\n     */\n    function HtmlTrackElementList(trackElements) {\n      if (trackElements === void 0) {\n        trackElements = [];\n      }\n\n      this.trackElements_ = [];\n      /**\n       * @memberof HtmlTrackElementList\n       * @member {number} length\n       *         The current number of `Track`s in the this Trackist.\n       * @instance\n       */\n\n      Object.defineProperty(this, 'length', {\n        get: function get() {\n          return this.trackElements_.length;\n        }\n      });\n\n      for (var i = 0, length = trackElements.length; i < length; i++) {\n        this.addTrackElement_(trackElements[i]);\n      }\n    }\n    /**\n     * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`\n     *\n     * @param {HtmlTrackElement} trackElement\n     *        The track element to add to the list.\n     *\n     * @private\n     */\n\n\n    var _proto = HtmlTrackElementList.prototype;\n\n    _proto.addTrackElement_ = function addTrackElement_(trackElement) {\n      var index = this.trackElements_.length;\n\n      if (!('' + index in this)) {\n        Object.defineProperty(this, index, {\n          get: function get() {\n            return this.trackElements_[index];\n          }\n        });\n      } // Do not add duplicate elements\n\n\n      if (this.trackElements_.indexOf(trackElement) === -1) {\n        this.trackElements_.push(trackElement);\n      }\n    }\n    /**\n     * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an\n     * {@link TextTrack}.\n     *\n     * @param {TextTrack} track\n     *        The track associated with a track element.\n     *\n     * @return {HtmlTrackElement|undefined}\n     *         The track element that was found or undefined.\n     *\n     * @private\n     */\n    ;\n\n    _proto.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {\n      var trackElement_;\n\n      for (var i = 0, length = this.trackElements_.length; i < length; i++) {\n        if (track === this.trackElements_[i].track) {\n          trackElement_ = this.trackElements_[i];\n          break;\n        }\n      }\n\n      return trackElement_;\n    }\n    /**\n     * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`\n     *\n     * @param {HtmlTrackElement} trackElement\n     *        The track element to remove from the list.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeTrackElement_ = function removeTrackElement_(trackElement) {\n      for (var i = 0, length = this.trackElements_.length; i < length; i++) {\n        if (trackElement === this.trackElements_[i]) {\n          if (this.trackElements_[i].track && typeof this.trackElements_[i].track.off === 'function') {\n            this.trackElements_[i].track.off();\n          }\n\n          if (typeof this.trackElements_[i].off === 'function') {\n            this.trackElements_[i].off();\n          }\n\n          this.trackElements_.splice(i, 1);\n          break;\n        }\n      }\n    };\n\n    return HtmlTrackElementList;\n  }();\n\n  /**\n   * @file text-track-cue-list.js\n   */\n\n  /**\n   * @typedef {Object} TextTrackCueList~TextTrackCue\n   *\n   * @property {string} id\n   *           The unique id for this text track cue\n   *\n   * @property {number} startTime\n   *           The start time for this text track cue\n   *\n   * @property {number} endTime\n   *           The end time for this text track cue\n   *\n   * @property {boolean} pauseOnExit\n   *           Pause when the end time is reached if true.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}\n   */\n\n  /**\n   * A List of TextTrackCues.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}\n   */\n  var TextTrackCueList = /*#__PURE__*/function () {\n    /**\n     * Create an instance of this class..\n     *\n     * @param {Array} cues\n     *        A list of cues to be initialized with\n     */\n    function TextTrackCueList(cues) {\n      TextTrackCueList.prototype.setCues_.call(this, cues);\n      /**\n       * @memberof TextTrackCueList\n       * @member {number} length\n       *         The current number of `TextTrackCue`s in the TextTrackCueList.\n       * @instance\n       */\n\n      Object.defineProperty(this, 'length', {\n        get: function get() {\n          return this.length_;\n        }\n      });\n    }\n    /**\n     * A setter for cues in this list. Creates getters\n     * an an index for the cues.\n     *\n     * @param {Array} cues\n     *        An array of cues to set\n     *\n     * @private\n     */\n\n\n    var _proto = TextTrackCueList.prototype;\n\n    _proto.setCues_ = function setCues_(cues) {\n      var oldLength = this.length || 0;\n      var i = 0;\n      var l = cues.length;\n      this.cues_ = cues;\n      this.length_ = cues.length;\n\n      var defineProp = function defineProp(index) {\n        if (!('' + index in this)) {\n          Object.defineProperty(this, '' + index, {\n            get: function get() {\n              return this.cues_[index];\n            }\n          });\n        }\n      };\n\n      if (oldLength < l) {\n        i = oldLength;\n\n        for (; i < l; i++) {\n          defineProp.call(this, i);\n        }\n      }\n    }\n    /**\n     * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.\n     *\n     * @param {string} id\n     *        The id of the cue that should be searched for.\n     *\n     * @return {TextTrackCueList~TextTrackCue|null}\n     *         A single cue or null if none was found.\n     */\n    ;\n\n    _proto.getCueById = function getCueById(id) {\n      var result = null;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        var cue = this[i];\n\n        if (cue.id === id) {\n          result = cue;\n          break;\n        }\n      }\n\n      return result;\n    };\n\n    return TextTrackCueList;\n  }();\n\n  /**\n   * @file track-kinds.js\n   */\n\n  /**\n   * All possible `VideoTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind\n   * @typedef VideoTrack~Kind\n   * @enum\n   */\n  var VideoTrackKind = {\n    alternative: 'alternative',\n    captions: 'captions',\n    main: 'main',\n    sign: 'sign',\n    subtitles: 'subtitles',\n    commentary: 'commentary'\n  };\n  /**\n   * All possible `AudioTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind\n   * @typedef AudioTrack~Kind\n   * @enum\n   */\n\n  var AudioTrackKind = {\n    'alternative': 'alternative',\n    'descriptions': 'descriptions',\n    'main': 'main',\n    'main-desc': 'main-desc',\n    'translation': 'translation',\n    'commentary': 'commentary'\n  };\n  /**\n   * All possible `TextTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind\n   * @typedef TextTrack~Kind\n   * @enum\n   */\n\n  var TextTrackKind = {\n    subtitles: 'subtitles',\n    captions: 'captions',\n    descriptions: 'descriptions',\n    chapters: 'chapters',\n    metadata: 'metadata'\n  };\n  /**\n   * All possible `TextTrackMode`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode\n   * @typedef TextTrack~Mode\n   * @enum\n   */\n\n  var TextTrackMode = {\n    disabled: 'disabled',\n    hidden: 'hidden',\n    showing: 'showing'\n  };\n\n  /**\n   * A Track class that contains all of the common functionality for {@link AudioTrack},\n   * {@link VideoTrack}, and {@link TextTrack}.\n   *\n   * > Note: This class should not be used directly\n   *\n   * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}\n   * @extends EventTarget\n   * @abstract\n   */\n\n  var Track = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(Track, _EventTarget);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {string} [options.kind='']\n     *        A valid kind for the track type you are creating.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @abstract\n     */\n    function Track(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _EventTarget.call(this) || this;\n      var trackProps = {\n        id: options.id || 'vjs_track_' + newGUID(),\n        kind: options.kind || '',\n        label: options.label || '',\n        language: options.language || ''\n      };\n      /**\n       * @memberof Track\n       * @member {string} id\n       *         The id of this track. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} kind\n       *         The kind of track that this is. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} label\n       *         The label of this track. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} language\n       *         The two letter language code for this track. Cannot be changed after\n       *         creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      var _loop = function _loop(key) {\n        Object.defineProperty(assertThisInitialized(_this), key, {\n          get: function get() {\n            return trackProps[key];\n          },\n          set: function set() {}\n        });\n      };\n\n      for (var key in trackProps) {\n        _loop(key);\n      }\n\n      return _this;\n    }\n\n    return Track;\n  }(EventTarget);\n\n  /**\n   * @file url.js\n   * @module url\n   */\n  /**\n   * @typedef {Object} url:URLObject\n   *\n   * @property {string} protocol\n   *           The protocol of the url that was parsed.\n   *\n   * @property {string} hostname\n   *           The hostname of the url that was parsed.\n   *\n   * @property {string} port\n   *           The port of the url that was parsed.\n   *\n   * @property {string} pathname\n   *           The pathname of the url that was parsed.\n   *\n   * @property {string} search\n   *           The search query of the url that was parsed.\n   *\n   * @property {string} hash\n   *           The hash of the url that was parsed.\n   *\n   * @property {string} host\n   *           The host of the url that was parsed.\n   */\n\n  /**\n   * Resolve and parse the elements of a URL.\n   *\n   * @function\n   * @param    {String} url\n   *           The url to parse\n   *\n   * @return   {url:URLObject}\n   *           An object of url details\n   */\n\n  var parseUrl = function parseUrl(url) {\n    var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host']; // add the url to an anchor and let the browser parse the URL\n\n    var a = document.createElement('a');\n    a.href = url; // IE8 (and 9?) Fix\n    // ie8 doesn't parse the URL correctly until the anchor is actually\n    // added to the body, and an innerHTML is needed to trigger the parsing\n\n    var addToBody = a.host === '' && a.protocol !== 'file:';\n    var div;\n\n    if (addToBody) {\n      div = document.createElement('div');\n      div.innerHTML = \"<a href=\\\"\" + url + \"\\\"></a>\";\n      a = div.firstChild; // prevent the div from affecting layout\n\n      div.setAttribute('style', 'display:none; position:absolute;');\n      document.body.appendChild(div);\n    } // Copy the specific URL properties to a new object\n    // This is also needed for IE8 because the anchor loses its\n    // properties when it's removed from the dom\n\n\n    var details = {};\n\n    for (var i = 0; i < props.length; i++) {\n      details[props[i]] = a[props[i]];\n    } // IE9 adds the port to the host property unlike everyone else. If\n    // a port identifier is added for standard ports, strip it.\n\n\n    if (details.protocol === 'http:') {\n      details.host = details.host.replace(/:80$/, '');\n    }\n\n    if (details.protocol === 'https:') {\n      details.host = details.host.replace(/:443$/, '');\n    }\n\n    if (!details.protocol) {\n      details.protocol = window$3.location.protocol;\n    }\n\n    if (addToBody) {\n      document.body.removeChild(div);\n    }\n\n    return details;\n  };\n  /**\n   * Get absolute version of relative URL. Used to tell Flash the correct URL.\n   *\n   * @function\n   * @param    {string} url\n   *           URL to make absolute\n   *\n   * @return   {string}\n   *           Absolute URL\n   *\n   * @see      http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue\n   */\n\n  var getAbsoluteURL = function getAbsoluteURL(url) {\n    // Check if absolute URL\n    if (!url.match(/^https?:\\/\\//)) {\n      // Convert to absolute URL. Flash hosted off-site needs an absolute URL.\n      var div = document.createElement('div');\n      div.innerHTML = \"<a href=\\\"\" + url + \"\\\">x</a>\";\n      url = div.firstChild.href;\n    }\n\n    return url;\n  };\n  /**\n   * Returns the extension of the passed file name. It will return an empty string\n   * if passed an invalid path.\n   *\n   * @function\n   * @param    {string} path\n   *           The fileName path like '/path/to/file.mp4'\n   *\n   * @return  {string}\n   *           The extension in lower case or an empty string if no\n   *           extension could be found.\n   */\n\n  var getFileExtension = function getFileExtension(path) {\n    if (typeof path === 'string') {\n      var splitPathRe = /^(\\/?)([\\s\\S]*?)((?:\\.{1,2}|[^\\/]+?)(\\.([^\\.\\/\\?]+)))(?:[\\/]*|[\\?].*)$/;\n      var pathParts = splitPathRe.exec(path);\n\n      if (pathParts) {\n        return pathParts.pop().toLowerCase();\n      }\n    }\n\n    return '';\n  };\n  /**\n   * Returns whether the url passed is a cross domain request or not.\n   *\n   * @function\n   * @param    {string} url\n   *           The url to check.\n   *\n   * @param    {Object} [winLoc]\n   *           the domain to check the url against, defaults to window.location\n   *\n   * @param    {string} [winLoc.protocol]\n   *           The window location protocol defaults to window.location.protocol\n   *\n   * @param    {string} [winLoc.host]\n   *           The window location host defaults to window.location.host\n   *\n   * @return   {boolean}\n   *           Whether it is a cross domain request or not.\n   */\n\n  var isCrossOrigin = function isCrossOrigin(url, winLoc) {\n    if (winLoc === void 0) {\n      winLoc = window$3.location;\n    }\n\n    var urlInfo = parseUrl(url); // IE8 protocol relative urls will return ':' for protocol\n\n    var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol; // Check if url is for another domain/origin\n    // IE8 doesn't know location.origin, so we won't rely on it here\n\n    var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;\n    return crossOrigin;\n  };\n\n  var Url = /*#__PURE__*/Object.freeze({\n    parseUrl: parseUrl,\n    getAbsoluteURL: getAbsoluteURL,\n    getFileExtension: getFileExtension,\n    isCrossOrigin: isCrossOrigin\n  });\n\n  var isFunction_1 = isFunction;\n  var toString$1 = Object.prototype.toString;\n\n  function isFunction(fn) {\n    var string = toString$1.call(fn);\n    return string === '[object Function]' || typeof fn === 'function' && string !== '[object RegExp]' || typeof window !== 'undefined' && ( // IE8 and below\n    fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt);\n  }\n\n  /**\n   * @license\n   * slighly modified parse-headers 2.0.2 <https://github.com/kesla/parse-headers/>\n   * Copyright (c) 2014 David Björklund\n   * Available under the MIT license\n   * <https://github.com/kesla/parse-headers/blob/master/LICENCE>\n   */\n\n\n  var parseHeaders = function parseHeaders(headers) {\n    var result = {};\n\n    if (!headers) {\n      return result;\n    }\n\n    headers.trim().split('\\n').forEach(function (row) {\n      var index = row.indexOf(':');\n      var key = row.slice(0, index).trim().toLowerCase();\n      var value = row.slice(index + 1).trim();\n\n      if (typeof result[key] === 'undefined') {\n        result[key] = value;\n      } else if (Array.isArray(result[key])) {\n        result[key].push(value);\n      } else {\n        result[key] = [result[key], value];\n      }\n    });\n    return result;\n  };\n\n  var xhr = createXHR; // Allow use of default import syntax in TypeScript\n\n  var default_1 = createXHR;\n  createXHR.XMLHttpRequest = window$3.XMLHttpRequest || noop;\n  createXHR.XDomainRequest = \"withCredentials\" in new createXHR.XMLHttpRequest() ? createXHR.XMLHttpRequest : window$3.XDomainRequest;\n  forEachArray([\"get\", \"put\", \"post\", \"patch\", \"head\", \"delete\"], function (method) {\n    createXHR[method === \"delete\" ? \"del\" : method] = function (uri, options, callback) {\n      options = initParams(uri, options, callback);\n      options.method = method.toUpperCase();\n      return _createXHR(options);\n    };\n  });\n\n  function forEachArray(array, iterator) {\n    for (var i = 0; i < array.length; i++) {\n      iterator(array[i]);\n    }\n  }\n\n  function isEmpty(obj) {\n    for (var i in obj) {\n      if (obj.hasOwnProperty(i)) return false;\n    }\n\n    return true;\n  }\n\n  function initParams(uri, options, callback) {\n    var params = uri;\n\n    if (isFunction_1(options)) {\n      callback = options;\n\n      if (typeof uri === \"string\") {\n        params = {\n          uri: uri\n        };\n      }\n    } else {\n      params = _extends_1({}, options, {\n        uri: uri\n      });\n    }\n\n    params.callback = callback;\n    return params;\n  }\n\n  function createXHR(uri, options, callback) {\n    options = initParams(uri, options, callback);\n    return _createXHR(options);\n  }\n\n  function _createXHR(options) {\n    if (typeof options.callback === \"undefined\") {\n      throw new Error(\"callback argument missing\");\n    }\n\n    var called = false;\n\n    var callback = function cbOnce(err, response, body) {\n      if (!called) {\n        called = true;\n        options.callback(err, response, body);\n      }\n    };\n\n    function readystatechange() {\n      if (xhr.readyState === 4) {\n        setTimeout(loadFunc, 0);\n      }\n    }\n\n    function getBody() {\n      // Chrome with requestType=blob throws errors arround when even testing access to responseText\n      var body = undefined;\n\n      if (xhr.response) {\n        body = xhr.response;\n      } else {\n        body = xhr.responseText || getXml(xhr);\n      }\n\n      if (isJson) {\n        try {\n          body = JSON.parse(body);\n        } catch (e) {}\n      }\n\n      return body;\n    }\n\n    function errorFunc(evt) {\n      clearTimeout(timeoutTimer);\n\n      if (!(evt instanceof Error)) {\n        evt = new Error(\"\" + (evt || \"Unknown XMLHttpRequest Error\"));\n      }\n\n      evt.statusCode = 0;\n      return callback(evt, failureResponse);\n    } // will load the data & process the response in a special response object\n\n\n    function loadFunc() {\n      if (aborted) return;\n      var status;\n      clearTimeout(timeoutTimer);\n\n      if (options.useXDR && xhr.status === undefined) {\n        //IE8 CORS GET successful response doesn't have a status field, but body is fine\n        status = 200;\n      } else {\n        status = xhr.status === 1223 ? 204 : xhr.status;\n      }\n\n      var response = failureResponse;\n      var err = null;\n\n      if (status !== 0) {\n        response = {\n          body: getBody(),\n          statusCode: status,\n          method: method,\n          headers: {},\n          url: uri,\n          rawRequest: xhr\n        };\n\n        if (xhr.getAllResponseHeaders) {\n          //remember xhr can in fact be XDR for CORS in IE\n          response.headers = parseHeaders(xhr.getAllResponseHeaders());\n        }\n      } else {\n        err = new Error(\"Internal XMLHttpRequest Error\");\n      }\n\n      return callback(err, response, response.body);\n    }\n\n    var xhr = options.xhr || null;\n\n    if (!xhr) {\n      if (options.cors || options.useXDR) {\n        xhr = new createXHR.XDomainRequest();\n      } else {\n        xhr = new createXHR.XMLHttpRequest();\n      }\n    }\n\n    var key;\n    var aborted;\n    var uri = xhr.url = options.uri || options.url;\n    var method = xhr.method = options.method || \"GET\";\n    var body = options.body || options.data;\n    var headers = xhr.headers = options.headers || {};\n    var sync = !!options.sync;\n    var isJson = false;\n    var timeoutTimer;\n    var failureResponse = {\n      body: undefined,\n      headers: {},\n      statusCode: 0,\n      method: method,\n      url: uri,\n      rawRequest: xhr\n    };\n\n    if (\"json\" in options && options.json !== false) {\n      isJson = true;\n      headers[\"accept\"] || headers[\"Accept\"] || (headers[\"Accept\"] = \"application/json\"); //Don't override existing accept header declared by user\n\n      if (method !== \"GET\" && method !== \"HEAD\") {\n        headers[\"content-type\"] || headers[\"Content-Type\"] || (headers[\"Content-Type\"] = \"application/json\"); //Don't override existing accept header declared by user\n\n        body = JSON.stringify(options.json === true ? body : options.json);\n      }\n    }\n\n    xhr.onreadystatechange = readystatechange;\n    xhr.onload = loadFunc;\n    xhr.onerror = errorFunc; // IE9 must have onprogress be set to a unique function.\n\n    xhr.onprogress = function () {// IE must die\n    };\n\n    xhr.onabort = function () {\n      aborted = true;\n    };\n\n    xhr.ontimeout = errorFunc;\n    xhr.open(method, uri, !sync, options.username, options.password); //has to be after open\n\n    if (!sync) {\n      xhr.withCredentials = !!options.withCredentials;\n    } // Cannot set timeout with sync request\n    // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly\n    // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent\n\n\n    if (!sync && options.timeout > 0) {\n      timeoutTimer = setTimeout(function () {\n        if (aborted) return;\n        aborted = true; //IE9 may still call readystatechange\n\n        xhr.abort(\"timeout\");\n        var e = new Error(\"XMLHttpRequest timeout\");\n        e.code = \"ETIMEDOUT\";\n        errorFunc(e);\n      }, options.timeout);\n    }\n\n    if (xhr.setRequestHeader) {\n      for (key in headers) {\n        if (headers.hasOwnProperty(key)) {\n          xhr.setRequestHeader(key, headers[key]);\n        }\n      }\n    } else if (options.headers && !isEmpty(options.headers)) {\n      throw new Error(\"Headers cannot be set on an XDomainRequest object\");\n    }\n\n    if (\"responseType\" in options) {\n      xhr.responseType = options.responseType;\n    }\n\n    if (\"beforeSend\" in options && typeof options.beforeSend === \"function\") {\n      options.beforeSend(xhr);\n    } // Microsoft Edge browser sends \"undefined\" when send is called with undefined value.\n    // XMLHttpRequest spec says to pass null as body to indicate no body\n    // See https://github.com/naugtur/xhr/issues/100.\n\n\n    xhr.send(body || null);\n    return xhr;\n  }\n\n  function getXml(xhr) {\n    // xhr.responseXML will throw Exception \"InvalidStateError\" or \"DOMException\"\n    // See https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseXML.\n    try {\n      if (xhr.responseType === \"document\") {\n        return xhr.responseXML;\n      }\n\n      var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === \"parsererror\";\n\n      if (xhr.responseType === \"\" && !firefoxBugTakenEffect) {\n        return xhr.responseXML;\n      }\n    } catch (e) {}\n\n    return null;\n  }\n\n  function noop() {}\n  xhr[\"default\"] = default_1;\n\n  /**\n   * Takes a webvtt file contents and parses it into cues\n   *\n   * @param {string} srcContent\n   *        webVTT file contents\n   *\n   * @param {TextTrack} track\n   *        TextTrack to add cues to. Cues come from the srcContent.\n   *\n   * @private\n   */\n\n  var parseCues = function parseCues(srcContent, track) {\n    var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, window$3.WebVTT.StringDecoder());\n    var errors = [];\n\n    parser.oncue = function (cue) {\n      track.addCue(cue);\n    };\n\n    parser.onparsingerror = function (error) {\n      errors.push(error);\n    };\n\n    parser.onflush = function () {\n      track.trigger({\n        type: 'loadeddata',\n        target: track\n      });\n    };\n\n    parser.parse(srcContent);\n\n    if (errors.length > 0) {\n      if (window$3.console && window$3.console.groupCollapsed) {\n        window$3.console.groupCollapsed(\"Text Track parsing errors for \" + track.src);\n      }\n\n      errors.forEach(function (error) {\n        return log.error(error);\n      });\n\n      if (window$3.console && window$3.console.groupEnd) {\n        window$3.console.groupEnd();\n      }\n    }\n\n    parser.flush();\n  };\n  /**\n   * Load a `TextTrack` from a specified url.\n   *\n   * @param {string} src\n   *        Url to load track from.\n   *\n   * @param {TextTrack} track\n   *        Track to add cues to. Comes from the content at the end of `url`.\n   *\n   * @private\n   */\n\n\n  var loadTrack = function loadTrack(src, track) {\n    var opts = {\n      uri: src\n    };\n    var crossOrigin = isCrossOrigin(src);\n\n    if (crossOrigin) {\n      opts.cors = crossOrigin;\n    }\n\n    xhr(opts, bind(this, function (err, response, responseBody) {\n      if (err) {\n        return log.error(err, response);\n      }\n\n      track.loaded_ = true; // Make sure that vttjs has loaded, otherwise, wait till it finished loading\n      // NOTE: this is only used for the alt/video.novtt.js build\n\n      if (typeof window$3.WebVTT !== 'function') {\n        if (track.tech_) {\n          // to prevent use before define eslint error, we define loadHandler\n          // as a let here\n          track.tech_.any(['vttjsloaded', 'vttjserror'], function (event) {\n            if (event.type === 'vttjserror') {\n              log.error(\"vttjs failed to load, stopping trying to process \" + track.src);\n              return;\n            }\n\n            return parseCues(responseBody, track);\n          });\n        }\n      } else {\n        parseCues(responseBody, track);\n      }\n    }));\n  };\n  /**\n   * A representation of a single `TextTrack`.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}\n   * @extends Track\n   */\n\n\n  var TextTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(TextTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} options={}\n     *        Object of option names and values\n     *\n     * @param {Tech} options.tech\n     *        A reference to the tech that owns this TextTrack.\n     *\n     * @param {TextTrack~Kind} [options.kind='subtitles']\n     *        A valid text track kind.\n     *\n     * @param {TextTrack~Mode} [options.mode='disabled']\n     *        A valid text track mode.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this TextTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {string} [options.srclang='']\n     *        A valid two character language code. An alternative, but deprioritized\n     *        version of `options.language`\n     *\n     * @param {string} [options.src]\n     *        A url to TextTrack cues.\n     *\n     * @param {boolean} [options.default]\n     *        If this track should default to on or off.\n     */\n    function TextTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (!options.tech) {\n        throw new Error('A tech was not provided.');\n      }\n\n      var settings = mergeOptions(options, {\n        kind: TextTrackKind[options.kind] || 'subtitles',\n        language: options.language || options.srclang || ''\n      });\n      var mode = TextTrackMode[settings.mode] || 'disabled';\n      var default_ = settings[\"default\"];\n\n      if (settings.kind === 'metadata' || settings.kind === 'chapters') {\n        mode = 'hidden';\n      }\n\n      _this = _Track.call(this, settings) || this;\n      _this.tech_ = settings.tech;\n      _this.cues_ = [];\n      _this.activeCues_ = [];\n      _this.preload_ = _this.tech_.preloadTextTracks !== false;\n      var cues = new TextTrackCueList(_this.cues_);\n      var activeCues = new TextTrackCueList(_this.activeCues_);\n      var changed = false;\n      var timeupdateHandler = bind(assertThisInitialized(_this), function () {\n        // Accessing this.activeCues for the side-effects of updating itself\n        // due to its nature as a getter function. Do not remove or cues will\n        // stop updating!\n        // Use the setter to prevent deletion from uglify (pure_getters rule)\n        this.activeCues = this.activeCues;\n\n        if (changed) {\n          this.trigger('cuechange');\n          changed = false;\n        }\n      });\n\n      if (mode !== 'disabled') {\n        _this.tech_.ready(function () {\n          _this.tech_.on('timeupdate', timeupdateHandler);\n        }, true);\n      }\n\n      Object.defineProperties(assertThisInitialized(_this), {\n        /**\n         * @memberof TextTrack\n         * @member {boolean} default\n         *         If this track was set to be on or off by default. Cannot be changed after\n         *         creation.\n         * @instance\n         *\n         * @readonly\n         */\n        \"default\": {\n          get: function get() {\n            return default_;\n          },\n          set: function set() {}\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {string} mode\n         *         Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will\n         *         not be set if setting to an invalid mode.\n         * @instance\n         *\n         * @fires TextTrack#modechange\n         */\n        mode: {\n          get: function get() {\n            return mode;\n          },\n          set: function set(newMode) {\n            var _this2 = this;\n\n            if (!TextTrackMode[newMode]) {\n              return;\n            }\n\n            mode = newMode;\n\n            if (!this.preload_ && mode !== 'disabled' && this.cues.length === 0) {\n              // On-demand load.\n              loadTrack(this.src, this);\n            }\n\n            if (mode !== 'disabled') {\n              this.tech_.ready(function () {\n                _this2.tech_.on('timeupdate', timeupdateHandler);\n              }, true);\n            } else {\n              this.tech_.off('timeupdate', timeupdateHandler);\n            }\n            /**\n             * An event that fires when mode changes on this track. This allows\n             * the TextTrackList that holds this track to act accordingly.\n             *\n             * > Note: This is not part of the spec!\n             *\n             * @event TextTrack#modechange\n             * @type {EventTarget~Event}\n             */\n\n\n            this.trigger('modechange');\n          }\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {TextTrackCueList} cues\n         *         The text track cue list for this TextTrack.\n         * @instance\n         */\n        cues: {\n          get: function get() {\n            if (!this.loaded_) {\n              return null;\n            }\n\n            return cues;\n          },\n          set: function set() {}\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {TextTrackCueList} activeCues\n         *         The list text track cues that are currently active for this TextTrack.\n         * @instance\n         */\n        activeCues: {\n          get: function get() {\n            if (!this.loaded_) {\n              return null;\n            } // nothing to do\n\n\n            if (this.cues.length === 0) {\n              return activeCues;\n            }\n\n            var ct = this.tech_.currentTime();\n            var active = [];\n\n            for (var i = 0, l = this.cues.length; i < l; i++) {\n              var cue = this.cues[i];\n\n              if (cue.startTime <= ct && cue.endTime >= ct) {\n                active.push(cue);\n              } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {\n                active.push(cue);\n              }\n            }\n\n            changed = false;\n\n            if (active.length !== this.activeCues_.length) {\n              changed = true;\n            } else {\n              for (var _i = 0; _i < active.length; _i++) {\n                if (this.activeCues_.indexOf(active[_i]) === -1) {\n                  changed = true;\n                }\n              }\n            }\n\n            this.activeCues_ = active;\n            activeCues.setCues_(this.activeCues_);\n            return activeCues;\n          },\n          // /!\\ Keep this setter empty (see the timeupdate handler above)\n          set: function set() {}\n        }\n      });\n\n      if (settings.src) {\n        _this.src = settings.src;\n\n        if (!_this.preload_) {\n          // Tracks will load on-demand.\n          // Act like we're loaded for other purposes.\n          _this.loaded_ = true;\n        }\n\n        if (_this.preload_ || default_ || settings.kind !== 'subtitles' && settings.kind !== 'captions') {\n          loadTrack(_this.src, assertThisInitialized(_this));\n        }\n      } else {\n        _this.loaded_ = true;\n      }\n\n      return _this;\n    }\n    /**\n     * Add a cue to the internal list of cues.\n     *\n     * @param {TextTrack~Cue} cue\n     *        The cue to add to our internal list\n     */\n\n\n    var _proto = TextTrack.prototype;\n\n    _proto.addCue = function addCue(originalCue) {\n      var cue = originalCue;\n\n      if (window$3.vttjs && !(originalCue instanceof window$3.vttjs.VTTCue)) {\n        cue = new window$3.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);\n\n        for (var prop in originalCue) {\n          if (!(prop in cue)) {\n            cue[prop] = originalCue[prop];\n          }\n        } // make sure that `id` is copied over\n\n\n        cue.id = originalCue.id;\n        cue.originalCue_ = originalCue;\n      }\n\n      var tracks = this.tech_.textTracks();\n\n      for (var i = 0; i < tracks.length; i++) {\n        if (tracks[i] !== this) {\n          tracks[i].removeCue(cue);\n        }\n      }\n\n      this.cues_.push(cue);\n      this.cues.setCues_(this.cues_);\n    }\n    /**\n     * Remove a cue from our internal list\n     *\n     * @param {TextTrack~Cue} removeCue\n     *        The cue to remove from our internal list\n     */\n    ;\n\n    _proto.removeCue = function removeCue(_removeCue) {\n      var i = this.cues_.length;\n\n      while (i--) {\n        var cue = this.cues_[i];\n\n        if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {\n          this.cues_.splice(i, 1);\n          this.cues.setCues_(this.cues_);\n          break;\n        }\n      }\n    };\n\n    return TextTrack;\n  }(Track);\n  /**\n   * cuechange - One or more cues in the track have become active or stopped being active.\n   */\n\n\n  TextTrack.prototype.allowedEvents_ = {\n    cuechange: 'cuechange'\n  };\n\n  /**\n   * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}\n   * only one `AudioTrack` in the list will be enabled at a time.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}\n   * @extends Track\n   */\n\n  var AudioTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(AudioTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {AudioTrack~Kind} [options.kind='']\n     *        A valid audio track kind\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {boolean} [options.enabled]\n     *        If this track is the one that is currently playing. If this track is part of\n     *        an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.\n     */\n    function AudioTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var settings = mergeOptions(options, {\n        kind: AudioTrackKind[options.kind] || ''\n      });\n      _this = _Track.call(this, settings) || this;\n      var enabled = false;\n      /**\n       * @memberof AudioTrack\n       * @member {boolean} enabled\n       *         If this `AudioTrack` is enabled or not. When setting this will\n       *         fire {@link AudioTrack#enabledchange} if the state of enabled is changed.\n       * @instance\n       *\n       * @fires VideoTrack#selectedchange\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'enabled', {\n        get: function get() {\n          return enabled;\n        },\n        set: function set(newEnabled) {\n          // an invalid or unchanged value\n          if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {\n            return;\n          }\n\n          enabled = newEnabled;\n          /**\n           * An event that fires when enabled changes on this track. This allows\n           * the AudioTrackList that holds this track to act accordingly.\n           *\n           * > Note: This is not part of the spec! Native tracks will do\n           *         this internally without an event.\n           *\n           * @event AudioTrack#enabledchange\n           * @type {EventTarget~Event}\n           */\n\n          this.trigger('enabledchange');\n        }\n      }); // if the user sets this track to selected then\n      // set selected to that true value otherwise\n      // we keep it false\n\n      if (settings.enabled) {\n        _this.enabled = settings.enabled;\n      }\n\n      _this.loaded_ = true;\n      return _this;\n    }\n\n    return AudioTrack;\n  }(Track);\n\n  /**\n   * A representation of a single `VideoTrack`.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}\n   * @extends Track\n   */\n\n  var VideoTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(VideoTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {string} [options.kind='']\n     *        A valid {@link VideoTrack~Kind}\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {boolean} [options.selected]\n     *        If this track is the one that is currently playing.\n     */\n    function VideoTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var settings = mergeOptions(options, {\n        kind: VideoTrackKind[options.kind] || ''\n      });\n      _this = _Track.call(this, settings) || this;\n      var selected = false;\n      /**\n       * @memberof VideoTrack\n       * @member {boolean} selected\n       *         If this `VideoTrack` is selected or not. When setting this will\n       *         fire {@link VideoTrack#selectedchange} if the state of selected changed.\n       * @instance\n       *\n       * @fires VideoTrack#selectedchange\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'selected', {\n        get: function get() {\n          return selected;\n        },\n        set: function set(newSelected) {\n          // an invalid or unchanged value\n          if (typeof newSelected !== 'boolean' || newSelected === selected) {\n            return;\n          }\n\n          selected = newSelected;\n          /**\n           * An event that fires when selected changes on this track. This allows\n           * the VideoTrackList that holds this track to act accordingly.\n           *\n           * > Note: This is not part of the spec! Native tracks will do\n           *         this internally without an event.\n           *\n           * @event VideoTrack#selectedchange\n           * @type {EventTarget~Event}\n           */\n\n          this.trigger('selectedchange');\n        }\n      }); // if the user sets this track to selected then\n      // set selected to that true value otherwise\n      // we keep it false\n\n      if (settings.selected) {\n        _this.selected = settings.selected;\n      }\n\n      return _this;\n    }\n\n    return VideoTrack;\n  }(Track);\n\n  /**\n   * @memberof HTMLTrackElement\n   * @typedef {HTMLTrackElement~ReadyState}\n   * @enum {number}\n   */\n\n  var NONE = 0;\n  var LOADING = 1;\n  var LOADED = 2;\n  var ERROR = 3;\n  /**\n   * A single track represented in the DOM.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}\n   * @extends EventTarget\n   */\n\n  var HTMLTrackElement = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(HTMLTrackElement, _EventTarget);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} options={}\n     *        Object of option names and values\n     *\n     * @param {Tech} options.tech\n     *        A reference to the tech that owns this HTMLTrackElement.\n     *\n     * @param {TextTrack~Kind} [options.kind='subtitles']\n     *        A valid text track kind.\n     *\n     * @param {TextTrack~Mode} [options.mode='disabled']\n     *        A valid text track mode.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this TextTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {string} [options.srclang='']\n     *        A valid two character language code. An alternative, but deprioritized\n     *        vesion of `options.language`\n     *\n     * @param {string} [options.src]\n     *        A url to TextTrack cues.\n     *\n     * @param {boolean} [options.default]\n     *        If this track should default to on or off.\n     */\n    function HTMLTrackElement(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _EventTarget.call(this) || this;\n      var readyState;\n      var track = new TextTrack(options);\n      _this.kind = track.kind;\n      _this.src = track.src;\n      _this.srclang = track.language;\n      _this.label = track.label;\n      _this[\"default\"] = track[\"default\"];\n      Object.defineProperties(assertThisInitialized(_this), {\n        /**\n         * @memberof HTMLTrackElement\n         * @member {HTMLTrackElement~ReadyState} readyState\n         *         The current ready state of the track element.\n         * @instance\n         */\n        readyState: {\n          get: function get() {\n            return readyState;\n          }\n        },\n\n        /**\n         * @memberof HTMLTrackElement\n         * @member {TextTrack} track\n         *         The underlying TextTrack object.\n         * @instance\n         *\n         */\n        track: {\n          get: function get() {\n            return track;\n          }\n        }\n      });\n      readyState = NONE;\n      /**\n       * @listens TextTrack#loadeddata\n       * @fires HTMLTrackElement#load\n       */\n\n      track.addEventListener('loadeddata', function () {\n        readyState = LOADED;\n\n        _this.trigger({\n          type: 'load',\n          target: assertThisInitialized(_this)\n        });\n      });\n      return _this;\n    }\n\n    return HTMLTrackElement;\n  }(EventTarget);\n\n  HTMLTrackElement.prototype.allowedEvents_ = {\n    load: 'load'\n  };\n  HTMLTrackElement.NONE = NONE;\n  HTMLTrackElement.LOADING = LOADING;\n  HTMLTrackElement.LOADED = LOADED;\n  HTMLTrackElement.ERROR = ERROR;\n\n  /*\n   * This file contains all track properties that are used in\n   * player.js, tech.js, html5.js and possibly other techs in the future.\n   */\n\n  var NORMAL = {\n    audio: {\n      ListClass: AudioTrackList,\n      TrackClass: AudioTrack,\n      capitalName: 'Audio'\n    },\n    video: {\n      ListClass: VideoTrackList,\n      TrackClass: VideoTrack,\n      capitalName: 'Video'\n    },\n    text: {\n      ListClass: TextTrackList,\n      TrackClass: TextTrack,\n      capitalName: 'Text'\n    }\n  };\n  Object.keys(NORMAL).forEach(function (type) {\n    NORMAL[type].getterName = type + \"Tracks\";\n    NORMAL[type].privateName = type + \"Tracks_\";\n  });\n  var REMOTE = {\n    remoteText: {\n      ListClass: TextTrackList,\n      TrackClass: TextTrack,\n      capitalName: 'RemoteText',\n      getterName: 'remoteTextTracks',\n      privateName: 'remoteTextTracks_'\n    },\n    remoteTextEl: {\n      ListClass: HtmlTrackElementList,\n      TrackClass: HTMLTrackElement,\n      capitalName: 'RemoteTextTrackEls',\n      getterName: 'remoteTextTrackEls',\n      privateName: 'remoteTextTrackEls_'\n    }\n  };\n\n  var ALL = _extends_1({}, NORMAL, REMOTE);\n\n  REMOTE.names = Object.keys(REMOTE);\n  NORMAL.names = Object.keys(NORMAL);\n  ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n\n  /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */\n\n  /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */\n\n  var _objCreate = Object.create || function () {\n    function F() {}\n\n    return function (o) {\n      if (arguments.length !== 1) {\n        throw new Error('Object.create shim only accepts one parameter.');\n      }\n\n      F.prototype = o;\n      return new F();\n    };\n  }(); // Creates a new ParserError object from an errorData object. The errorData\n  // object should have default code and message properties. The default message\n  // property can be overriden by passing in a message parameter.\n  // See ParsingError.Errors below for acceptable errors.\n\n\n  function ParsingError(errorData, message) {\n    this.name = \"ParsingError\";\n    this.code = errorData.code;\n    this.message = message || errorData.message;\n  }\n\n  ParsingError.prototype = _objCreate(Error.prototype);\n  ParsingError.prototype.constructor = ParsingError; // ParsingError metadata for acceptable ParsingErrors.\n\n  ParsingError.Errors = {\n    BadSignature: {\n      code: 0,\n      message: \"Malformed WebVTT signature.\"\n    },\n    BadTimeStamp: {\n      code: 1,\n      message: \"Malformed time stamp.\"\n    }\n  }; // Try to parse input as a time stamp.\n\n  function parseTimeStamp(input) {\n    function computeSeconds(h, m, s, f) {\n      return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;\n    }\n\n    var m = input.match(/^(\\d+):(\\d{1,2})(:\\d{1,2})?\\.(\\d{3})/);\n\n    if (!m) {\n      return null;\n    }\n\n    if (m[3]) {\n      // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]\n      return computeSeconds(m[1], m[2], m[3].replace(\":\", \"\"), m[4]);\n    } else if (m[1] > 59) {\n      // Timestamp takes the form of [hours]:[minutes].[milliseconds]\n      // First position is hours as it's over 59.\n      return computeSeconds(m[1], m[2], 0, m[4]);\n    } else {\n      // Timestamp takes the form of [minutes]:[seconds].[milliseconds]\n      return computeSeconds(0, m[1], m[2], m[4]);\n    }\n  } // A settings object holds key/value pairs and will ignore anything but the first\n  // assignment to a specific key.\n\n\n  function Settings() {\n    this.values = _objCreate(null);\n  }\n\n  Settings.prototype = {\n    // Only accept the first assignment to any key.\n    set: function set(k, v) {\n      if (!this.get(k) && v !== \"\") {\n        this.values[k] = v;\n      }\n    },\n    // Return the value for a key, or a default value.\n    // If 'defaultKey' is passed then 'dflt' is assumed to be an object with\n    // a number of possible default values as properties where 'defaultKey' is\n    // the key of the property that will be chosen; otherwise it's assumed to be\n    // a single value.\n    get: function get(k, dflt, defaultKey) {\n      if (defaultKey) {\n        return this.has(k) ? this.values[k] : dflt[defaultKey];\n      }\n\n      return this.has(k) ? this.values[k] : dflt;\n    },\n    // Check whether we have a value for a key.\n    has: function has(k) {\n      return k in this.values;\n    },\n    // Accept a setting if its one of the given alternatives.\n    alt: function alt(k, v, a) {\n      for (var n = 0; n < a.length; ++n) {\n        if (v === a[n]) {\n          this.set(k, v);\n          break;\n        }\n      }\n    },\n    // Accept a setting if its a valid (signed) integer.\n    integer: function integer(k, v) {\n      if (/^-?\\d+$/.test(v)) {\n        // integer\n        this.set(k, parseInt(v, 10));\n      }\n    },\n    // Accept a setting if its a valid percentage.\n    percent: function percent(k, v) {\n      var m;\n\n      if (m = v.match(/^([\\d]{1,3})(\\.[\\d]*)?%$/)) {\n        v = parseFloat(v);\n\n        if (v >= 0 && v <= 100) {\n          this.set(k, v);\n          return true;\n        }\n      }\n\n      return false;\n    }\n  }; // Helper function to parse input into groups separated by 'groupDelim', and\n  // interprete each group as a key/value pair separated by 'keyValueDelim'.\n\n  function parseOptions(input, callback, keyValueDelim, groupDelim) {\n    var groups = groupDelim ? input.split(groupDelim) : [input];\n\n    for (var i in groups) {\n      if (typeof groups[i] !== \"string\") {\n        continue;\n      }\n\n      var kv = groups[i].split(keyValueDelim);\n\n      if (kv.length !== 2) {\n        continue;\n      }\n\n      var k = kv[0];\n      var v = kv[1];\n      callback(k, v);\n    }\n  }\n\n  function parseCue(input, cue, regionList) {\n    // Remember the original input if we need to throw an error.\n    var oInput = input; // 4.1 WebVTT timestamp\n\n    function consumeTimeStamp() {\n      var ts = parseTimeStamp(input);\n\n      if (ts === null) {\n        throw new ParsingError(ParsingError.Errors.BadTimeStamp, \"Malformed timestamp: \" + oInput);\n      } // Remove time stamp from input.\n\n\n      input = input.replace(/^[^\\sa-zA-Z-]+/, \"\");\n      return ts;\n    } // 4.4.2 WebVTT cue settings\n\n\n    function consumeCueSettings(input, cue) {\n      var settings = new Settings();\n      parseOptions(input, function (k, v) {\n        switch (k) {\n          case \"region\":\n            // Find the last region we parsed with the same region id.\n            for (var i = regionList.length - 1; i >= 0; i--) {\n              if (regionList[i].id === v) {\n                settings.set(k, regionList[i].region);\n                break;\n              }\n            }\n\n            break;\n\n          case \"vertical\":\n            settings.alt(k, v, [\"rl\", \"lr\"]);\n            break;\n\n          case \"line\":\n            var vals = v.split(\",\"),\n                vals0 = vals[0];\n            settings.integer(k, vals0);\n            settings.percent(k, vals0) ? settings.set(\"snapToLines\", false) : null;\n            settings.alt(k, vals0, [\"auto\"]);\n\n            if (vals.length === 2) {\n              settings.alt(\"lineAlign\", vals[1], [\"start\", \"center\", \"end\"]);\n            }\n\n            break;\n\n          case \"position\":\n            vals = v.split(\",\");\n            settings.percent(k, vals[0]);\n\n            if (vals.length === 2) {\n              settings.alt(\"positionAlign\", vals[1], [\"start\", \"center\", \"end\"]);\n            }\n\n            break;\n\n          case \"size\":\n            settings.percent(k, v);\n            break;\n\n          case \"align\":\n            settings.alt(k, v, [\"start\", \"center\", \"end\", \"left\", \"right\"]);\n            break;\n        }\n      }, /:/, /\\s/); // Apply default values for any missing fields.\n\n      cue.region = settings.get(\"region\", null);\n      cue.vertical = settings.get(\"vertical\", \"\");\n\n      try {\n        cue.line = settings.get(\"line\", \"auto\");\n      } catch (e) {}\n\n      cue.lineAlign = settings.get(\"lineAlign\", \"start\");\n      cue.snapToLines = settings.get(\"snapToLines\", true);\n      cue.size = settings.get(\"size\", 100); // Safari still uses the old middle value and won't accept center\n\n      try {\n        cue.align = settings.get(\"align\", \"center\");\n      } catch (e) {\n        cue.align = settings.get(\"align\", \"middle\");\n      }\n\n      try {\n        cue.position = settings.get(\"position\", \"auto\");\n      } catch (e) {\n        cue.position = settings.get(\"position\", {\n          start: 0,\n          left: 0,\n          center: 50,\n          middle: 50,\n          end: 100,\n          right: 100\n        }, cue.align);\n      }\n\n      cue.positionAlign = settings.get(\"positionAlign\", {\n        start: \"start\",\n        left: \"start\",\n        center: \"center\",\n        middle: \"center\",\n        end: \"end\",\n        right: \"end\"\n      }, cue.align);\n    }\n\n    function skipWhitespace() {\n      input = input.replace(/^\\s+/, \"\");\n    } // 4.1 WebVTT cue timings.\n\n\n    skipWhitespace();\n    cue.startTime = consumeTimeStamp(); // (1) collect cue start time\n\n    skipWhitespace();\n\n    if (input.substr(0, 3) !== \"-->\") {\n      // (3) next characters must match \"-->\"\n      throw new ParsingError(ParsingError.Errors.BadTimeStamp, \"Malformed time stamp (time stamps must be separated by '-->'): \" + oInput);\n    }\n\n    input = input.substr(3);\n    skipWhitespace();\n    cue.endTime = consumeTimeStamp(); // (5) collect cue end time\n    // 4.1 WebVTT cue settings list.\n\n    skipWhitespace();\n    consumeCueSettings(input, cue);\n  }\n\n  var TEXTAREA_ELEMENT = document.createElement(\"textarea\");\n  var TAG_NAME = {\n    c: \"span\",\n    i: \"i\",\n    b: \"b\",\n    u: \"u\",\n    ruby: \"ruby\",\n    rt: \"rt\",\n    v: \"span\",\n    lang: \"span\"\n  }; // 5.1 default text color\n  // 5.2 default text background color is equivalent to text color with bg_ prefix\n\n  var DEFAULT_COLOR_CLASS = {\n    white: 'rgba(255,255,255,1)',\n    lime: 'rgba(0,255,0,1)',\n    cyan: 'rgba(0,255,255,1)',\n    red: 'rgba(255,0,0,1)',\n    yellow: 'rgba(255,255,0,1)',\n    magenta: 'rgba(255,0,255,1)',\n    blue: 'rgba(0,0,255,1)',\n    black: 'rgba(0,0,0,1)'\n  };\n  var TAG_ANNOTATION = {\n    v: \"title\",\n    lang: \"lang\"\n  };\n  var NEEDS_PARENT = {\n    rt: \"ruby\"\n  }; // Parse content into a document fragment.\n\n  function parseContent(window, input) {\n    function nextToken() {\n      // Check for end-of-string.\n      if (!input) {\n        return null;\n      } // Consume 'n' characters from the input.\n\n\n      function consume(result) {\n        input = input.substr(result.length);\n        return result;\n      }\n\n      var m = input.match(/^([^<]*)(<[^>]*>?)?/); // If there is some text before the next tag, return it, otherwise return\n      // the tag.\n\n      return consume(m[1] ? m[1] : m[2]);\n    }\n\n    function unescape(s) {\n      TEXTAREA_ELEMENT.innerHTML = s;\n      s = TEXTAREA_ELEMENT.textContent;\n      TEXTAREA_ELEMENT.textContent = \"\";\n      return s;\n    }\n\n    function shouldAdd(current, element) {\n      return !NEEDS_PARENT[element.localName] || NEEDS_PARENT[element.localName] === current.localName;\n    } // Create an element for this tag.\n\n\n    function createElement(type, annotation) {\n      var tagName = TAG_NAME[type];\n\n      if (!tagName) {\n        return null;\n      }\n\n      var element = window.document.createElement(tagName);\n      var name = TAG_ANNOTATION[type];\n\n      if (name && annotation) {\n        element[name] = annotation.trim();\n      }\n\n      return element;\n    }\n\n    var rootDiv = window.document.createElement(\"div\"),\n        current = rootDiv,\n        t,\n        tagStack = [];\n\n    while ((t = nextToken()) !== null) {\n      if (t[0] === '<') {\n        if (t[1] === \"/\") {\n          // If the closing tag matches, move back up to the parent node.\n          if (tagStack.length && tagStack[tagStack.length - 1] === t.substr(2).replace(\">\", \"\")) {\n            tagStack.pop();\n            current = current.parentNode;\n          } // Otherwise just ignore the end tag.\n\n\n          continue;\n        }\n\n        var ts = parseTimeStamp(t.substr(1, t.length - 2));\n        var node;\n\n        if (ts) {\n          // Timestamps are lead nodes as well.\n          node = window.document.createProcessingInstruction(\"timestamp\", ts);\n          current.appendChild(node);\n          continue;\n        }\n\n        var m = t.match(/^<([^.\\s/0-9>]+)(\\.[^\\s\\\\>]+)?([^>\\\\]+)?(\\\\?)>?$/); // If we can't parse the tag, skip to the next tag.\n\n        if (!m) {\n          continue;\n        } // Try to construct an element, and ignore the tag if we couldn't.\n\n\n        node = createElement(m[1], m[3]);\n\n        if (!node) {\n          continue;\n        } // Determine if the tag should be added based on the context of where it\n        // is placed in the cuetext.\n\n\n        if (!shouldAdd(current, node)) {\n          continue;\n        } // Set the class list (as a list of classes, separated by space).\n\n\n        if (m[2]) {\n          var classes = m[2].split('.');\n          classes.forEach(function (cl) {\n            var bgColor = /^bg_/.test(cl); // slice out `bg_` if it's a background color\n\n            var colorName = bgColor ? cl.slice(3) : cl;\n\n            if (DEFAULT_COLOR_CLASS.hasOwnProperty(colorName)) {\n              var propName = bgColor ? 'background-color' : 'color';\n              var propValue = DEFAULT_COLOR_CLASS[colorName];\n              node.style[propName] = propValue;\n            }\n          });\n          node.className = classes.join(' ');\n        } // Append the node to the current node, and enter the scope of the new\n        // node.\n\n\n        tagStack.push(m[1]);\n        current.appendChild(node);\n        current = node;\n        continue;\n      } // Text nodes are leaf nodes.\n\n\n      current.appendChild(window.document.createTextNode(unescape(t)));\n    }\n\n    return rootDiv;\n  } // This is a list of all the Unicode characters that have a strong\n  // right-to-left category. What this means is that these characters are\n  // written right-to-left for sure. It was generated by pulling all the strong\n  // right-to-left characters out of the Unicode data table. That table can\n  // found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt\n\n\n  var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6], [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d], [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6], [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5], [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815], [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858], [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f], [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c], [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1], [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc], [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808], [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855], [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f], [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13], [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58], [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72], [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f], [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32], [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42], [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f], [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59], [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62], [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77], [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b], [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];\n\n  function isStrongRTLChar(charCode) {\n    for (var i = 0; i < strongRTLRanges.length; i++) {\n      var currentRange = strongRTLRanges[i];\n\n      if (charCode >= currentRange[0] && charCode <= currentRange[1]) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  function determineBidi(cueDiv) {\n    var nodeStack = [],\n        text = \"\",\n        charCode;\n\n    if (!cueDiv || !cueDiv.childNodes) {\n      return \"ltr\";\n    }\n\n    function pushNodes(nodeStack, node) {\n      for (var i = node.childNodes.length - 1; i >= 0; i--) {\n        nodeStack.push(node.childNodes[i]);\n      }\n    }\n\n    function nextTextNode(nodeStack) {\n      if (!nodeStack || !nodeStack.length) {\n        return null;\n      }\n\n      var node = nodeStack.pop(),\n          text = node.textContent || node.innerText;\n\n      if (text) {\n        // TODO: This should match all unicode type B characters (paragraph\n        // separator characters). See issue #115.\n        var m = text.match(/^.*(\\n|\\r)/);\n\n        if (m) {\n          nodeStack.length = 0;\n          return m[0];\n        }\n\n        return text;\n      }\n\n      if (node.tagName === \"ruby\") {\n        return nextTextNode(nodeStack);\n      }\n\n      if (node.childNodes) {\n        pushNodes(nodeStack, node);\n        return nextTextNode(nodeStack);\n      }\n    }\n\n    pushNodes(nodeStack, cueDiv);\n\n    while (text = nextTextNode(nodeStack)) {\n      for (var i = 0; i < text.length; i++) {\n        charCode = text.charCodeAt(i);\n\n        if (isStrongRTLChar(charCode)) {\n          return \"rtl\";\n        }\n      }\n    }\n\n    return \"ltr\";\n  }\n\n  function computeLinePos(cue) {\n    if (typeof cue.line === \"number\" && (cue.snapToLines || cue.line >= 0 && cue.line <= 100)) {\n      return cue.line;\n    }\n\n    if (!cue.track || !cue.track.textTrackList || !cue.track.textTrackList.mediaElement) {\n      return -1;\n    }\n\n    var track = cue.track,\n        trackList = track.textTrackList,\n        count = 0;\n\n    for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {\n      if (trackList[i].mode === \"showing\") {\n        count++;\n      }\n    }\n\n    return ++count * -1;\n  }\n\n  function StyleBox() {} // Apply styles to a div. If there is no div passed then it defaults to the\n  // div on 'this'.\n\n\n  StyleBox.prototype.applyStyles = function (styles, div) {\n    div = div || this.div;\n\n    for (var prop in styles) {\n      if (styles.hasOwnProperty(prop)) {\n        div.style[prop] = styles[prop];\n      }\n    }\n  };\n\n  StyleBox.prototype.formatStyle = function (val, unit) {\n    return val === 0 ? 0 : val + unit;\n  }; // Constructs the computed display state of the cue (a div). Places the div\n  // into the overlay which should be a block level element (usually a div).\n\n\n  function CueStyleBox(window, cue, styleOptions) {\n    StyleBox.call(this);\n    this.cue = cue; // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will\n    // have inline positioning and will function as the cue background box.\n\n    this.cueDiv = parseContent(window, cue.text);\n    var styles = {\n      color: \"rgba(255, 255, 255, 1)\",\n      backgroundColor: \"rgba(0, 0, 0, 0.8)\",\n      position: \"relative\",\n      left: 0,\n      right: 0,\n      top: 0,\n      bottom: 0,\n      display: \"inline\",\n      writingMode: cue.vertical === \"\" ? \"horizontal-tb\" : cue.vertical === \"lr\" ? \"vertical-lr\" : \"vertical-rl\",\n      unicodeBidi: \"plaintext\"\n    };\n    this.applyStyles(styles, this.cueDiv); // Create an absolutely positioned div that will be used to position the cue\n    // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS\n    // mirrors of them except middle instead of center on Safari.\n\n    this.div = window.document.createElement(\"div\");\n    styles = {\n      direction: determineBidi(this.cueDiv),\n      writingMode: cue.vertical === \"\" ? \"horizontal-tb\" : cue.vertical === \"lr\" ? \"vertical-lr\" : \"vertical-rl\",\n      unicodeBidi: \"plaintext\",\n      textAlign: cue.align === \"middle\" ? \"center\" : cue.align,\n      font: styleOptions.font,\n      whiteSpace: \"pre-line\",\n      position: \"absolute\"\n    };\n    this.applyStyles(styles);\n    this.div.appendChild(this.cueDiv); // Calculate the distance from the reference edge of the viewport to the text\n    // position of the cue box. The reference edge will be resolved later when\n    // the box orientation styles are applied.\n\n    var textPos = 0;\n\n    switch (cue.positionAlign) {\n      case \"start\":\n        textPos = cue.position;\n        break;\n\n      case \"center\":\n        textPos = cue.position - cue.size / 2;\n        break;\n\n      case \"end\":\n        textPos = cue.position - cue.size;\n        break;\n    } // Horizontal box orientation; textPos is the distance from the left edge of the\n    // area to the left edge of the box and cue.size is the distance extending to\n    // the right from there.\n\n\n    if (cue.vertical === \"\") {\n      this.applyStyles({\n        left: this.formatStyle(textPos, \"%\"),\n        width: this.formatStyle(cue.size, \"%\")\n      }); // Vertical box orientation; textPos is the distance from the top edge of the\n      // area to the top edge of the box and cue.size is the height extending\n      // downwards from there.\n    } else {\n      this.applyStyles({\n        top: this.formatStyle(textPos, \"%\"),\n        height: this.formatStyle(cue.size, \"%\")\n      });\n    }\n\n    this.move = function (box) {\n      this.applyStyles({\n        top: this.formatStyle(box.top, \"px\"),\n        bottom: this.formatStyle(box.bottom, \"px\"),\n        left: this.formatStyle(box.left, \"px\"),\n        right: this.formatStyle(box.right, \"px\"),\n        height: this.formatStyle(box.height, \"px\"),\n        width: this.formatStyle(box.width, \"px\")\n      });\n    };\n  }\n\n  CueStyleBox.prototype = _objCreate(StyleBox.prototype);\n  CueStyleBox.prototype.constructor = CueStyleBox; // Represents the co-ordinates of an Element in a way that we can easily\n  // compute things with such as if it overlaps or intersects with another Element.\n  // Can initialize it with either a StyleBox or another BoxPosition.\n\n  function BoxPosition(obj) {\n    // Either a BoxPosition was passed in and we need to copy it, or a StyleBox\n    // was passed in and we need to copy the results of 'getBoundingClientRect'\n    // as the object returned is readonly. All co-ordinate values are in reference\n    // to the viewport origin (top left).\n    var lh, height, width, top;\n\n    if (obj.div) {\n      height = obj.div.offsetHeight;\n      width = obj.div.offsetWidth;\n      top = obj.div.offsetTop;\n      var rects = (rects = obj.div.childNodes) && (rects = rects[0]) && rects.getClientRects && rects.getClientRects();\n      obj = obj.div.getBoundingClientRect(); // In certain cases the outter div will be slightly larger then the sum of\n      // the inner div's lines. This could be due to bold text, etc, on some platforms.\n      // In this case we should get the average line height and use that. This will\n      // result in the desired behaviour.\n\n      lh = rects ? Math.max(rects[0] && rects[0].height || 0, obj.height / rects.length) : 0;\n    }\n\n    this.left = obj.left;\n    this.right = obj.right;\n    this.top = obj.top || top;\n    this.height = obj.height || height;\n    this.bottom = obj.bottom || top + (obj.height || height);\n    this.width = obj.width || width;\n    this.lineHeight = lh !== undefined ? lh : obj.lineHeight;\n  } // Move the box along a particular axis. Optionally pass in an amount to move\n  // the box. If no amount is passed then the default is the line height of the\n  // box.\n\n\n  BoxPosition.prototype.move = function (axis, toMove) {\n    toMove = toMove !== undefined ? toMove : this.lineHeight;\n\n    switch (axis) {\n      case \"+x\":\n        this.left += toMove;\n        this.right += toMove;\n        break;\n\n      case \"-x\":\n        this.left -= toMove;\n        this.right -= toMove;\n        break;\n\n      case \"+y\":\n        this.top += toMove;\n        this.bottom += toMove;\n        break;\n\n      case \"-y\":\n        this.top -= toMove;\n        this.bottom -= toMove;\n        break;\n    }\n  }; // Check if this box overlaps another box, b2.\n\n\n  BoxPosition.prototype.overlaps = function (b2) {\n    return this.left < b2.right && this.right > b2.left && this.top < b2.bottom && this.bottom > b2.top;\n  }; // Check if this box overlaps any other boxes in boxes.\n\n\n  BoxPosition.prototype.overlapsAny = function (boxes) {\n    for (var i = 0; i < boxes.length; i++) {\n      if (this.overlaps(boxes[i])) {\n        return true;\n      }\n    }\n\n    return false;\n  }; // Check if this box is within another box.\n\n\n  BoxPosition.prototype.within = function (container) {\n    return this.top >= container.top && this.bottom <= container.bottom && this.left >= container.left && this.right <= container.right;\n  }; // Check if this box is entirely within the container or it is overlapping\n  // on the edge opposite of the axis direction passed. For example, if \"+x\" is\n  // passed and the box is overlapping on the left edge of the container, then\n  // return true.\n\n\n  BoxPosition.prototype.overlapsOppositeAxis = function (container, axis) {\n    switch (axis) {\n      case \"+x\":\n        return this.left < container.left;\n\n      case \"-x\":\n        return this.right > container.right;\n\n      case \"+y\":\n        return this.top < container.top;\n\n      case \"-y\":\n        return this.bottom > container.bottom;\n    }\n  }; // Find the percentage of the area that this box is overlapping with another\n  // box.\n\n\n  BoxPosition.prototype.intersectPercentage = function (b2) {\n    var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),\n        y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),\n        intersectArea = x * y;\n    return intersectArea / (this.height * this.width);\n  }; // Convert the positions from this box to CSS compatible positions using\n  // the reference container's positions. This has to be done because this\n  // box's positions are in reference to the viewport origin, whereas, CSS\n  // values are in referecne to their respective edges.\n\n\n  BoxPosition.prototype.toCSSCompatValues = function (reference) {\n    return {\n      top: this.top - reference.top,\n      bottom: reference.bottom - this.bottom,\n      left: this.left - reference.left,\n      right: reference.right - this.right,\n      height: this.height,\n      width: this.width\n    };\n  }; // Get an object that represents the box's position without anything extra.\n  // Can pass a StyleBox, HTMLElement, or another BoxPositon.\n\n\n  BoxPosition.getSimpleBoxPosition = function (obj) {\n    var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;\n    var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;\n    var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;\n    obj = obj.div ? obj.div.getBoundingClientRect() : obj.tagName ? obj.getBoundingClientRect() : obj;\n    var ret = {\n      left: obj.left,\n      right: obj.right,\n      top: obj.top || top,\n      height: obj.height || height,\n      bottom: obj.bottom || top + (obj.height || height),\n      width: obj.width || width\n    };\n    return ret;\n  }; // Move a StyleBox to its specified, or next best, position. The containerBox\n  // is the box that contains the StyleBox, such as a div. boxPositions are\n  // a list of other boxes that the styleBox can't overlap with.\n\n\n  function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {\n    // Find the best position for a cue box, b, on the video. The axis parameter\n    // is a list of axis, the order of which, it will move the box along. For example:\n    // Passing [\"+x\", \"-x\"] will move the box first along the x axis in the positive\n    // direction. If it doesn't find a good position for it there it will then move\n    // it along the x axis in the negative direction.\n    function findBestPosition(b, axis) {\n      var bestPosition,\n          specifiedPosition = new BoxPosition(b),\n          percentage = 1; // Highest possible so the first thing we get is better.\n\n      for (var i = 0; i < axis.length; i++) {\n        while (b.overlapsOppositeAxis(containerBox, axis[i]) || b.within(containerBox) && b.overlapsAny(boxPositions)) {\n          b.move(axis[i]);\n        } // We found a spot where we aren't overlapping anything. This is our\n        // best position.\n\n\n        if (b.within(containerBox)) {\n          return b;\n        }\n\n        var p = b.intersectPercentage(containerBox); // If we're outside the container box less then we were on our last try\n        // then remember this position as the best position.\n\n        if (percentage > p) {\n          bestPosition = new BoxPosition(b);\n          percentage = p;\n        } // Reset the box position to the specified position.\n\n\n        b = new BoxPosition(specifiedPosition);\n      }\n\n      return bestPosition || specifiedPosition;\n    }\n\n    var boxPosition = new BoxPosition(styleBox),\n        cue = styleBox.cue,\n        linePos = computeLinePos(cue),\n        axis = []; // If we have a line number to align the cue to.\n\n    if (cue.snapToLines) {\n      var size;\n\n      switch (cue.vertical) {\n        case \"\":\n          axis = [\"+y\", \"-y\"];\n          size = \"height\";\n          break;\n\n        case \"rl\":\n          axis = [\"+x\", \"-x\"];\n          size = \"width\";\n          break;\n\n        case \"lr\":\n          axis = [\"-x\", \"+x\"];\n          size = \"width\";\n          break;\n      }\n\n      var step = boxPosition.lineHeight,\n          position = step * Math.round(linePos),\n          maxPosition = containerBox[size] + step,\n          initialAxis = axis[0]; // If the specified intial position is greater then the max position then\n      // clamp the box to the amount of steps it would take for the box to\n      // reach the max position.\n\n      if (Math.abs(position) > maxPosition) {\n        position = position < 0 ? -1 : 1;\n        position *= Math.ceil(maxPosition / step) * step;\n      } // If computed line position returns negative then line numbers are\n      // relative to the bottom of the video instead of the top. Therefore, we\n      // need to increase our initial position by the length or width of the\n      // video, depending on the writing direction, and reverse our axis directions.\n\n\n      if (linePos < 0) {\n        position += cue.vertical === \"\" ? containerBox.height : containerBox.width;\n        axis = axis.reverse();\n      } // Move the box to the specified position. This may not be its best\n      // position.\n\n\n      boxPosition.move(initialAxis, position);\n    } else {\n      // If we have a percentage line value for the cue.\n      var calculatedPercentage = boxPosition.lineHeight / containerBox.height * 100;\n\n      switch (cue.lineAlign) {\n        case \"center\":\n          linePos -= calculatedPercentage / 2;\n          break;\n\n        case \"end\":\n          linePos -= calculatedPercentage;\n          break;\n      } // Apply initial line position to the cue box.\n\n\n      switch (cue.vertical) {\n        case \"\":\n          styleBox.applyStyles({\n            top: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n\n        case \"rl\":\n          styleBox.applyStyles({\n            left: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n\n        case \"lr\":\n          styleBox.applyStyles({\n            right: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n      }\n\n      axis = [\"+y\", \"-x\", \"+x\", \"-y\"]; // Get the box position again after we've applied the specified positioning\n      // to it.\n\n      boxPosition = new BoxPosition(styleBox);\n    }\n\n    var bestPosition = findBestPosition(boxPosition, axis);\n    styleBox.move(bestPosition.toCSSCompatValues(containerBox));\n  }\n\n  function WebVTT$1() {} // Nothing\n  // Helper to allow strings to be decoded instead of the default binary utf8 data.\n\n\n  WebVTT$1.StringDecoder = function () {\n    return {\n      decode: function decode(data) {\n        if (!data) {\n          return \"\";\n        }\n\n        if (typeof data !== \"string\") {\n          throw new Error(\"Error - expected string data.\");\n        }\n\n        return decodeURIComponent(encodeURIComponent(data));\n      }\n    };\n  };\n\n  WebVTT$1.convertCueToDOMTree = function (window, cuetext) {\n    if (!window || !cuetext) {\n      return null;\n    }\n\n    return parseContent(window, cuetext);\n  };\n\n  var FONT_SIZE_PERCENT = 0.05;\n  var FONT_STYLE = \"sans-serif\";\n  var CUE_BACKGROUND_PADDING = \"1.5%\"; // Runs the processing model over the cues and regions passed to it.\n  // @param overlay A block level element (usually a div) that the computed cues\n  //                and regions will be placed into.\n\n  WebVTT$1.processCues = function (window, cues, overlay) {\n    if (!window || !cues || !overlay) {\n      return null;\n    } // Remove all previous children.\n\n\n    while (overlay.firstChild) {\n      overlay.removeChild(overlay.firstChild);\n    }\n\n    var paddedOverlay = window.document.createElement(\"div\");\n    paddedOverlay.style.position = \"absolute\";\n    paddedOverlay.style.left = \"0\";\n    paddedOverlay.style.right = \"0\";\n    paddedOverlay.style.top = \"0\";\n    paddedOverlay.style.bottom = \"0\";\n    paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;\n    overlay.appendChild(paddedOverlay); // Determine if we need to compute the display states of the cues. This could\n    // be the case if a cue's state has been changed since the last computation or\n    // if it has not been computed yet.\n\n    function shouldCompute(cues) {\n      for (var i = 0; i < cues.length; i++) {\n        if (cues[i].hasBeenReset || !cues[i].displayState) {\n          return true;\n        }\n      }\n\n      return false;\n    } // We don't need to recompute the cues' display states. Just reuse them.\n\n\n    if (!shouldCompute(cues)) {\n      for (var i = 0; i < cues.length; i++) {\n        paddedOverlay.appendChild(cues[i].displayState);\n      }\n\n      return;\n    }\n\n    var boxPositions = [],\n        containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),\n        fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;\n    var styleOptions = {\n      font: fontSize + \"px \" + FONT_STYLE\n    };\n\n    (function () {\n      var styleBox, cue;\n\n      for (var i = 0; i < cues.length; i++) {\n        cue = cues[i]; // Compute the intial position and styles of the cue div.\n\n        styleBox = new CueStyleBox(window, cue, styleOptions);\n        paddedOverlay.appendChild(styleBox.div); // Move the cue div to it's correct line position.\n\n        moveBoxToLinePosition(window, styleBox, containerBox, boxPositions); // Remember the computed div so that we don't have to recompute it later\n        // if we don't have too.\n\n        cue.displayState = styleBox.div;\n        boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));\n      }\n    })();\n  };\n\n  WebVTT$1.Parser = function (window, vttjs, decoder) {\n    if (!decoder) {\n      decoder = vttjs;\n      vttjs = {};\n    }\n\n    if (!vttjs) {\n      vttjs = {};\n    }\n\n    this.window = window;\n    this.vttjs = vttjs;\n    this.state = \"INITIAL\";\n    this.buffer = \"\";\n    this.decoder = decoder || new TextDecoder(\"utf8\");\n    this.regionList = [];\n  };\n\n  WebVTT$1.Parser.prototype = {\n    // If the error is a ParsingError then report it to the consumer if\n    // possible. If it's not a ParsingError then throw it like normal.\n    reportOrThrowError: function reportOrThrowError(e) {\n      if (e instanceof ParsingError) {\n        this.onparsingerror && this.onparsingerror(e);\n      } else {\n        throw e;\n      }\n    },\n    parse: function parse(data) {\n      var self = this; // If there is no data then we won't decode it, but will just try to parse\n      // whatever is in buffer already. This may occur in circumstances, for\n      // example when flush() is called.\n\n      if (data) {\n        // Try to decode the data that we received.\n        self.buffer += self.decoder.decode(data, {\n          stream: true\n        });\n      }\n\n      function collectNextLine() {\n        var buffer = self.buffer;\n        var pos = 0;\n\n        while (pos < buffer.length && buffer[pos] !== '\\r' && buffer[pos] !== '\\n') {\n          ++pos;\n        }\n\n        var line = buffer.substr(0, pos); // Advance the buffer early in case we fail below.\n\n        if (buffer[pos] === '\\r') {\n          ++pos;\n        }\n\n        if (buffer[pos] === '\\n') {\n          ++pos;\n        }\n\n        self.buffer = buffer.substr(pos);\n        return line;\n      } // 3.4 WebVTT region and WebVTT region settings syntax\n\n\n      function parseRegion(input) {\n        var settings = new Settings();\n        parseOptions(input, function (k, v) {\n          switch (k) {\n            case \"id\":\n              settings.set(k, v);\n              break;\n\n            case \"width\":\n              settings.percent(k, v);\n              break;\n\n            case \"lines\":\n              settings.integer(k, v);\n              break;\n\n            case \"regionanchor\":\n            case \"viewportanchor\":\n              var xy = v.split(',');\n\n              if (xy.length !== 2) {\n                break;\n              } // We have to make sure both x and y parse, so use a temporary\n              // settings object here.\n\n\n              var anchor = new Settings();\n              anchor.percent(\"x\", xy[0]);\n              anchor.percent(\"y\", xy[1]);\n\n              if (!anchor.has(\"x\") || !anchor.has(\"y\")) {\n                break;\n              }\n\n              settings.set(k + \"X\", anchor.get(\"x\"));\n              settings.set(k + \"Y\", anchor.get(\"y\"));\n              break;\n\n            case \"scroll\":\n              settings.alt(k, v, [\"up\"]);\n              break;\n          }\n        }, /=/, /\\s/); // Create the region, using default values for any values that were not\n        // specified.\n\n        if (settings.has(\"id\")) {\n          var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();\n          region.width = settings.get(\"width\", 100);\n          region.lines = settings.get(\"lines\", 3);\n          region.regionAnchorX = settings.get(\"regionanchorX\", 0);\n          region.regionAnchorY = settings.get(\"regionanchorY\", 100);\n          region.viewportAnchorX = settings.get(\"viewportanchorX\", 0);\n          region.viewportAnchorY = settings.get(\"viewportanchorY\", 100);\n          region.scroll = settings.get(\"scroll\", \"\"); // Register the region.\n\n          self.onregion && self.onregion(region); // Remember the VTTRegion for later in case we parse any VTTCues that\n          // reference it.\n\n          self.regionList.push({\n            id: settings.get(\"id\"),\n            region: region\n          });\n        }\n      } // draft-pantos-http-live-streaming-20\n      // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5\n      // 3.5 WebVTT\n\n\n      function parseTimestampMap(input) {\n        var settings = new Settings();\n        parseOptions(input, function (k, v) {\n          switch (k) {\n            case \"MPEGT\":\n              settings.integer(k + 'S', v);\n              break;\n\n            case \"LOCA\":\n              settings.set(k + 'L', parseTimeStamp(v));\n              break;\n          }\n        }, /[^\\d]:/, /,/);\n        self.ontimestampmap && self.ontimestampmap({\n          \"MPEGTS\": settings.get(\"MPEGTS\"),\n          \"LOCAL\": settings.get(\"LOCAL\")\n        });\n      } // 3.2 WebVTT metadata header syntax\n\n\n      function parseHeader(input) {\n        if (input.match(/X-TIMESTAMP-MAP/)) {\n          // This line contains HLS X-TIMESTAMP-MAP metadata\n          parseOptions(input, function (k, v) {\n            switch (k) {\n              case \"X-TIMESTAMP-MAP\":\n                parseTimestampMap(v);\n                break;\n            }\n          }, /=/);\n        } else {\n          parseOptions(input, function (k, v) {\n            switch (k) {\n              case \"Region\":\n                // 3.3 WebVTT region metadata header syntax\n                parseRegion(v);\n                break;\n            }\n          }, /:/);\n        }\n      } // 5.1 WebVTT file parsing.\n\n\n      try {\n        var line;\n\n        if (self.state === \"INITIAL\") {\n          // We can't start parsing until we have the first line.\n          if (!/\\r\\n|\\n/.test(self.buffer)) {\n            return this;\n          }\n\n          line = collectNextLine();\n          var m = line.match(/^WEBVTT([ \\t].*)?$/);\n\n          if (!m || !m[0]) {\n            throw new ParsingError(ParsingError.Errors.BadSignature);\n          }\n\n          self.state = \"HEADER\";\n        }\n\n        var alreadyCollectedLine = false;\n\n        while (self.buffer) {\n          // We can't parse a line until we have the full line.\n          if (!/\\r\\n|\\n/.test(self.buffer)) {\n            return this;\n          }\n\n          if (!alreadyCollectedLine) {\n            line = collectNextLine();\n          } else {\n            alreadyCollectedLine = false;\n          }\n\n          switch (self.state) {\n            case \"HEADER\":\n              // 13-18 - Allow a header (metadata) under the WEBVTT line.\n              if (/:/.test(line)) {\n                parseHeader(line);\n              } else if (!line) {\n                // An empty line terminates the header and starts the body (cues).\n                self.state = \"ID\";\n              }\n\n              continue;\n\n            case \"NOTE\":\n              // Ignore NOTE blocks.\n              if (!line) {\n                self.state = \"ID\";\n              }\n\n              continue;\n\n            case \"ID\":\n              // Check for the start of NOTE blocks.\n              if (/^NOTE($|[ \\t])/.test(line)) {\n                self.state = \"NOTE\";\n                break;\n              } // 19-29 - Allow any number of line terminators, then initialize new cue values.\n\n\n              if (!line) {\n                continue;\n              }\n\n              self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, \"\"); // Safari still uses the old middle value and won't accept center\n\n              try {\n                self.cue.align = \"center\";\n              } catch (e) {\n                self.cue.align = \"middle\";\n              }\n\n              self.state = \"CUE\"; // 30-39 - Check if self line contains an optional identifier or timing data.\n\n              if (line.indexOf(\"-->\") === -1) {\n                self.cue.id = line;\n                continue;\n              }\n\n            // Process line as start of a cue.\n\n            /*falls through*/\n\n            case \"CUE\":\n              // 40 - Collect cue timings and settings.\n              try {\n                parseCue(line, self.cue, self.regionList);\n              } catch (e) {\n                self.reportOrThrowError(e); // In case of an error ignore rest of the cue.\n\n                self.cue = null;\n                self.state = \"BADCUE\";\n                continue;\n              }\n\n              self.state = \"CUETEXT\";\n              continue;\n\n            case \"CUETEXT\":\n              var hasSubstring = line.indexOf(\"-->\") !== -1; // 34 - If we have an empty line then report the cue.\n              // 35 - If we have the special substring '-->' then report the cue,\n              // but do not collect the line as we need to process the current\n              // one as a new cue.\n\n              if (!line || hasSubstring && (alreadyCollectedLine = true)) {\n                // We are done parsing self cue.\n                self.oncue && self.oncue(self.cue);\n                self.cue = null;\n                self.state = \"ID\";\n                continue;\n              }\n\n              if (self.cue.text) {\n                self.cue.text += \"\\n\";\n              }\n\n              self.cue.text += line.replace(/\\u2028/g, '\\n').replace(/u2029/g, '\\n');\n              continue;\n\n            case \"BADCUE\":\n              // BADCUE\n              // 54-62 - Collect and discard the remaining cue.\n              if (!line) {\n                self.state = \"ID\";\n              }\n\n              continue;\n          }\n        }\n      } catch (e) {\n        self.reportOrThrowError(e); // If we are currently parsing a cue, report what we have.\n\n        if (self.state === \"CUETEXT\" && self.cue && self.oncue) {\n          self.oncue(self.cue);\n        }\n\n        self.cue = null; // Enter BADWEBVTT state if header was not parsed correctly otherwise\n        // another exception occurred so enter BADCUE state.\n\n        self.state = self.state === \"INITIAL\" ? \"BADWEBVTT\" : \"BADCUE\";\n      }\n\n      return this;\n    },\n    flush: function flush() {\n      var self = this;\n\n      try {\n        // Finish decoding the stream.\n        self.buffer += self.decoder.decode(); // Synthesize the end of the current cue or region.\n\n        if (self.cue || self.state === \"HEADER\") {\n          self.buffer += \"\\n\\n\";\n          self.parse();\n        } // If we've flushed, parsed, and we're still on the INITIAL state then\n        // that means we don't have enough of the stream to parse the first\n        // line.\n\n\n        if (self.state === \"INITIAL\") {\n          throw new ParsingError(ParsingError.Errors.BadSignature);\n        }\n      } catch (e) {\n        self.reportOrThrowError(e);\n      }\n\n      self.onflush && self.onflush();\n      return this;\n    }\n  };\n  var vtt = WebVTT$1;\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n  var autoKeyword = \"auto\";\n  var directionSetting = {\n    \"\": 1,\n    \"lr\": 1,\n    \"rl\": 1\n  };\n  var alignSetting = {\n    \"start\": 1,\n    \"center\": 1,\n    \"end\": 1,\n    \"left\": 1,\n    \"right\": 1,\n    \"auto\": 1,\n    \"line-left\": 1,\n    \"line-right\": 1\n  };\n\n  function findDirectionSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var dir = directionSetting[value.toLowerCase()];\n    return dir ? value.toLowerCase() : false;\n  }\n\n  function findAlignSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var align = alignSetting[value.toLowerCase()];\n    return align ? value.toLowerCase() : false;\n  }\n\n  function VTTCue(startTime, endTime, text) {\n    /**\n     * Shim implementation specific properties. These properties are not in\n     * the spec.\n     */\n    // Lets us know when the VTTCue's data has changed in such a way that we need\n    // to recompute its display state. This lets us compute its display state\n    // lazily.\n    this.hasBeenReset = false;\n    /**\n     * VTTCue and TextTrackCue properties\n     * http://dev.w3.org/html5/webvtt/#vttcue-interface\n     */\n\n    var _id = \"\";\n    var _pauseOnExit = false;\n    var _startTime = startTime;\n    var _endTime = endTime;\n    var _text = text;\n    var _region = null;\n    var _vertical = \"\";\n    var _snapToLines = true;\n    var _line = \"auto\";\n    var _lineAlign = \"start\";\n    var _position = \"auto\";\n    var _positionAlign = \"auto\";\n    var _size = 100;\n    var _align = \"center\";\n    Object.defineProperties(this, {\n      \"id\": {\n        enumerable: true,\n        get: function get() {\n          return _id;\n        },\n        set: function set(value) {\n          _id = \"\" + value;\n        }\n      },\n      \"pauseOnExit\": {\n        enumerable: true,\n        get: function get() {\n          return _pauseOnExit;\n        },\n        set: function set(value) {\n          _pauseOnExit = !!value;\n        }\n      },\n      \"startTime\": {\n        enumerable: true,\n        get: function get() {\n          return _startTime;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"Start time must be set to a number.\");\n          }\n\n          _startTime = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"endTime\": {\n        enumerable: true,\n        get: function get() {\n          return _endTime;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"End time must be set to a number.\");\n          }\n\n          _endTime = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"text\": {\n        enumerable: true,\n        get: function get() {\n          return _text;\n        },\n        set: function set(value) {\n          _text = \"\" + value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"region\": {\n        enumerable: true,\n        get: function get() {\n          return _region;\n        },\n        set: function set(value) {\n          _region = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"vertical\": {\n        enumerable: true,\n        get: function get() {\n          return _vertical;\n        },\n        set: function set(value) {\n          var setting = findDirectionSetting(value); // Have to check for false because the setting an be an empty string.\n\n          if (setting === false) {\n            throw new SyntaxError(\"Vertical: an invalid or illegal direction string was specified.\");\n          }\n\n          _vertical = setting;\n          this.hasBeenReset = true;\n        }\n      },\n      \"snapToLines\": {\n        enumerable: true,\n        get: function get() {\n          return _snapToLines;\n        },\n        set: function set(value) {\n          _snapToLines = !!value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"line\": {\n        enumerable: true,\n        get: function get() {\n          return _line;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\" && value !== autoKeyword) {\n            throw new SyntaxError(\"Line: an invalid number or illegal string was specified.\");\n          }\n\n          _line = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"lineAlign\": {\n        enumerable: true,\n        get: function get() {\n          return _lineAlign;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            console.warn(\"lineAlign: an invalid or illegal string was specified.\");\n          } else {\n            _lineAlign = setting;\n            this.hasBeenReset = true;\n          }\n        }\n      },\n      \"position\": {\n        enumerable: true,\n        get: function get() {\n          return _position;\n        },\n        set: function set(value) {\n          if (value < 0 || value > 100) {\n            throw new Error(\"Position must be between 0 and 100.\");\n          }\n\n          _position = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"positionAlign\": {\n        enumerable: true,\n        get: function get() {\n          return _positionAlign;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            console.warn(\"positionAlign: an invalid or illegal string was specified.\");\n          } else {\n            _positionAlign = setting;\n            this.hasBeenReset = true;\n          }\n        }\n      },\n      \"size\": {\n        enumerable: true,\n        get: function get() {\n          return _size;\n        },\n        set: function set(value) {\n          if (value < 0 || value > 100) {\n            throw new Error(\"Size must be between 0 and 100.\");\n          }\n\n          _size = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"align\": {\n        enumerable: true,\n        get: function get() {\n          return _align;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            throw new SyntaxError(\"align: an invalid or illegal alignment string was specified.\");\n          }\n\n          _align = setting;\n          this.hasBeenReset = true;\n        }\n      }\n    });\n    /**\n     * Other <track> spec defined properties\n     */\n    // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state\n\n    this.displayState = undefined;\n  }\n  /**\n   * VTTCue methods\n   */\n\n\n  VTTCue.prototype.getCueAsHTML = function () {\n    // Assume WebVTT.convertCueToDOMTree is on the global.\n    return WebVTT.convertCueToDOMTree(window, this.text);\n  };\n\n  var vttcue = VTTCue;\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n  var scrollSetting = {\n    \"\": true,\n    \"up\": true\n  };\n\n  function findScrollSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var scroll = scrollSetting[value.toLowerCase()];\n    return scroll ? value.toLowerCase() : false;\n  }\n\n  function isValidPercentValue(value) {\n    return typeof value === \"number\" && value >= 0 && value <= 100;\n  } // VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface\n\n\n  function VTTRegion() {\n    var _width = 100;\n    var _lines = 3;\n    var _regionAnchorX = 0;\n    var _regionAnchorY = 100;\n    var _viewportAnchorX = 0;\n    var _viewportAnchorY = 100;\n    var _scroll = \"\";\n    Object.defineProperties(this, {\n      \"width\": {\n        enumerable: true,\n        get: function get() {\n          return _width;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"Width must be between 0 and 100.\");\n          }\n\n          _width = value;\n        }\n      },\n      \"lines\": {\n        enumerable: true,\n        get: function get() {\n          return _lines;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"Lines must be set to a number.\");\n          }\n\n          _lines = value;\n        }\n      },\n      \"regionAnchorY\": {\n        enumerable: true,\n        get: function get() {\n          return _regionAnchorY;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"RegionAnchorX must be between 0 and 100.\");\n          }\n\n          _regionAnchorY = value;\n        }\n      },\n      \"regionAnchorX\": {\n        enumerable: true,\n        get: function get() {\n          return _regionAnchorX;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"RegionAnchorY must be between 0 and 100.\");\n          }\n\n          _regionAnchorX = value;\n        }\n      },\n      \"viewportAnchorY\": {\n        enumerable: true,\n        get: function get() {\n          return _viewportAnchorY;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"ViewportAnchorY must be between 0 and 100.\");\n          }\n\n          _viewportAnchorY = value;\n        }\n      },\n      \"viewportAnchorX\": {\n        enumerable: true,\n        get: function get() {\n          return _viewportAnchorX;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"ViewportAnchorX must be between 0 and 100.\");\n          }\n\n          _viewportAnchorX = value;\n        }\n      },\n      \"scroll\": {\n        enumerable: true,\n        get: function get() {\n          return _scroll;\n        },\n        set: function set(value) {\n          var setting = findScrollSetting(value); // Have to check for false as an empty string is a legal value.\n\n          if (setting === false) {\n            console.warn(\"Scroll: an invalid or illegal string was specified.\");\n          } else {\n            _scroll = setting;\n          }\n        }\n      }\n    });\n  }\n\n  var vttregion = VTTRegion;\n\n  var browserIndex = createCommonjsModule(function (module) {\n    /**\n     * Copyright 2013 vtt.js Contributors\n     *\n     * Licensed under the Apache License, Version 2.0 (the \"License\");\n     * you may not use this file except in compliance with the License.\n     * You may obtain a copy of the License at\n     *\n     *   http://www.apache.org/licenses/LICENSE-2.0\n     *\n     * Unless required by applicable law or agreed to in writing, software\n     * distributed under the License is distributed on an \"AS IS\" BASIS,\n     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n     * See the License for the specific language governing permissions and\n     * limitations under the License.\n     */\n    // Default exports for Node. Export the extended versions of VTTCue and\n    // VTTRegion in Node since we likely want the capability to convert back and\n    // forth between JSON. If we don't then it's not that big of a deal since we're\n    // off browser.\n    var vttjs = module.exports = {\n      WebVTT: vtt,\n      VTTCue: vttcue,\n      VTTRegion: vttregion\n    };\n    window$3.vttjs = vttjs;\n    window$3.WebVTT = vttjs.WebVTT;\n    var cueShim = vttjs.VTTCue;\n    var regionShim = vttjs.VTTRegion;\n    var nativeVTTCue = window$3.VTTCue;\n    var nativeVTTRegion = window$3.VTTRegion;\n\n    vttjs.shim = function () {\n      window$3.VTTCue = cueShim;\n      window$3.VTTRegion = regionShim;\n    };\n\n    vttjs.restore = function () {\n      window$3.VTTCue = nativeVTTCue;\n      window$3.VTTRegion = nativeVTTRegion;\n    };\n\n    if (!window$3.VTTCue) {\n      vttjs.shim();\n    }\n  });\n  var browserIndex_1 = browserIndex.WebVTT;\n  var browserIndex_2 = browserIndex.VTTCue;\n  var browserIndex_3 = browserIndex.VTTRegion;\n\n  /**\n   * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string\n   * that just contains the src url alone.\n   * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`\n     * `var SourceString = 'http://example.com/some-video.mp4';`\n   *\n   * @typedef {Object|string} Tech~SourceObject\n   *\n   * @property {string} src\n   *           The url to the source\n   *\n   * @property {string} type\n   *           The mime type of the source\n   */\n\n  /**\n   * A function used by {@link Tech} to create a new {@link TextTrack}.\n   *\n   * @private\n   *\n   * @param {Tech} self\n   *        An instance of the Tech class.\n   *\n   * @param {string} kind\n   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n   *\n   * @param {string} [label]\n   *        Label to identify the text track\n   *\n   * @param {string} [language]\n   *        Two letter language abbreviation\n   *\n   * @param {Object} [options={}]\n   *        An object with additional text track options\n   *\n   * @return {TextTrack}\n   *          The text track that was created.\n   */\n\n  function createTrackHelper(self, kind, label, language, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var tracks = self.textTracks();\n    options.kind = kind;\n\n    if (label) {\n      options.label = label;\n    }\n\n    if (language) {\n      options.language = language;\n    }\n\n    options.tech = self;\n    var track = new ALL.text.TrackClass(options);\n    tracks.addTrack(track);\n    return track;\n  }\n  /**\n   * This is the base class for media playback technology controllers, such as\n   * {@link Flash} and {@link HTML5}\n   *\n   * @extends Component\n   */\n\n\n  var Tech = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Tech, _Component);\n\n    /**\n    * Create an instance of this Tech.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    *\n    * @param {Component~ReadyCallback} ready\n    *        Callback function to call when the `HTML5` Tech is ready.\n    */\n    function Tech(options, ready) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (ready === void 0) {\n        ready = function ready() {};\n      }\n\n      // we don't want the tech to report user activity automatically.\n      // This is done manually in addControlsListeners\n      options.reportTouchActivity = false;\n      _this = _Component.call(this, null, options, ready) || this; // keep track of whether the current source has played at all to\n      // implement a very limited played()\n\n      _this.hasStarted_ = false;\n\n      _this.on('playing', function () {\n        this.hasStarted_ = true;\n      });\n\n      _this.on('loadstart', function () {\n        this.hasStarted_ = false;\n      });\n\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n\n        if (options && options[props.getterName]) {\n          _this[props.privateName] = options[props.getterName];\n        }\n      }); // Manually track progress in cases where the browser/flash player doesn't report it.\n\n      if (!_this.featuresProgressEvents) {\n        _this.manualProgressOn();\n      } // Manually track timeupdates in cases where the browser/flash player doesn't report it.\n\n\n      if (!_this.featuresTimeupdateEvents) {\n        _this.manualTimeUpdatesOn();\n      }\n\n      ['Text', 'Audio', 'Video'].forEach(function (track) {\n        if (options[\"native\" + track + \"Tracks\"] === false) {\n          _this[\"featuresNative\" + track + \"Tracks\"] = false;\n        }\n      });\n\n      if (options.nativeCaptions === false || options.nativeTextTracks === false) {\n        _this.featuresNativeTextTracks = false;\n      } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {\n        _this.featuresNativeTextTracks = true;\n      }\n\n      if (!_this.featuresNativeTextTracks) {\n        _this.emulateTextTracks();\n      }\n\n      _this.preloadTextTracks = options.preloadTextTracks !== false;\n      _this.autoRemoteTextTracks_ = new ALL.text.ListClass();\n\n      _this.initTrackListeners(); // Turn on component tap events only if not using native controls\n\n\n      if (!options.nativeControlsForTouch) {\n        _this.emitTapEvents();\n      }\n\n      if (_this.constructor) {\n        _this.name_ = _this.constructor.name || 'Unknown Tech';\n      }\n\n      return _this;\n    }\n    /**\n     * A special function to trigger source set in a way that will allow player\n     * to re-trigger if the player or tech are not ready yet.\n     *\n     * @fires Tech#sourceset\n     * @param {string} src The source string at the time of the source changing.\n     */\n\n\n    var _proto = Tech.prototype;\n\n    _proto.triggerSourceset = function triggerSourceset(src) {\n      var _this2 = this;\n\n      if (!this.isReady_) {\n        // on initial ready we have to trigger source set\n        // 1ms after ready so that player can watch for it.\n        this.one('ready', function () {\n          return _this2.setTimeout(function () {\n            return _this2.triggerSourceset(src);\n          }, 1);\n        });\n      }\n      /**\n       * Fired when the source is set on the tech causing the media element\n       * to reload.\n       *\n       * @see {@link Player#event:sourceset}\n       * @event Tech#sourceset\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger({\n        src: src,\n        type: 'sourceset'\n      });\n    }\n    /* Fallbacks for unsupported event types\n    ================================================================================ */\n\n    /**\n     * Polyfill the `progress` event for browsers that don't support it natively.\n     *\n     * @see {@link Tech#trackProgress}\n     */\n    ;\n\n    _proto.manualProgressOn = function manualProgressOn() {\n      this.on('durationchange', this.onDurationChange);\n      this.manualProgress = true; // Trigger progress watching when a source begins loading\n\n      this.one('ready', this.trackProgress);\n    }\n    /**\n     * Turn off the polyfill for `progress` events that was created in\n     * {@link Tech#manualProgressOn}\n     */\n    ;\n\n    _proto.manualProgressOff = function manualProgressOff() {\n      this.manualProgress = false;\n      this.stopTrackingProgress();\n      this.off('durationchange', this.onDurationChange);\n    }\n    /**\n     * This is used to trigger a `progress` event when the buffered percent changes. It\n     * sets an interval function that will be called every 500 milliseconds to check if the\n     * buffer end percent has changed.\n     *\n     * > This function is called by {@link Tech#manualProgressOn}\n     *\n     * @param {EventTarget~Event} event\n     *        The `ready` event that caused this to run.\n     *\n     * @listens Tech#ready\n     * @fires Tech#progress\n     */\n    ;\n\n    _proto.trackProgress = function trackProgress(event) {\n      this.stopTrackingProgress();\n      this.progressInterval = this.setInterval(bind(this, function () {\n        // Don't trigger unless buffered amount is greater than last time\n        var numBufferedPercent = this.bufferedPercent();\n\n        if (this.bufferedPercent_ !== numBufferedPercent) {\n          /**\n           * See {@link Player#progress}\n           *\n           * @event Tech#progress\n           * @type {EventTarget~Event}\n           */\n          this.trigger('progress');\n        }\n\n        this.bufferedPercent_ = numBufferedPercent;\n\n        if (numBufferedPercent === 1) {\n          this.stopTrackingProgress();\n        }\n      }), 500);\n    }\n    /**\n     * Update our internal duration on a `durationchange` event by calling\n     * {@link Tech#duration}.\n     *\n     * @param {EventTarget~Event} event\n     *        The `durationchange` event that caused this to run.\n     *\n     * @listens Tech#durationchange\n     */\n    ;\n\n    _proto.onDurationChange = function onDurationChange(event) {\n      this.duration_ = this.duration();\n    }\n    /**\n     * Get and create a `TimeRange` object for buffering.\n     *\n     * @return {TimeRange}\n     *         The time range object that was created.\n     */\n    ;\n\n    _proto.buffered = function buffered() {\n      return createTimeRanges(0, 0);\n    }\n    /**\n     * Get the percentage of the current video that is currently buffered.\n     *\n     * @return {number}\n     *         A number from 0 to 1 that represents the decimal percentage of the\n     *         video that is buffered.\n     *\n     */\n    ;\n\n    _proto.bufferedPercent = function bufferedPercent$1() {\n      return bufferedPercent(this.buffered(), this.duration_);\n    }\n    /**\n     * Turn off the polyfill for `progress` events that was created in\n     * {@link Tech#manualProgressOn}\n     * Stop manually tracking progress events by clearing the interval that was set in\n     * {@link Tech#trackProgress}.\n     */\n    ;\n\n    _proto.stopTrackingProgress = function stopTrackingProgress() {\n      this.clearInterval(this.progressInterval);\n    }\n    /**\n     * Polyfill the `timeupdate` event for browsers that don't support it.\n     *\n     * @see {@link Tech#trackCurrentTime}\n     */\n    ;\n\n    _proto.manualTimeUpdatesOn = function manualTimeUpdatesOn() {\n      this.manualTimeUpdates = true;\n      this.on('play', this.trackCurrentTime);\n      this.on('pause', this.stopTrackingCurrentTime);\n    }\n    /**\n     * Turn off the polyfill for `timeupdate` events that was created in\n     * {@link Tech#manualTimeUpdatesOn}\n     */\n    ;\n\n    _proto.manualTimeUpdatesOff = function manualTimeUpdatesOff() {\n      this.manualTimeUpdates = false;\n      this.stopTrackingCurrentTime();\n      this.off('play', this.trackCurrentTime);\n      this.off('pause', this.stopTrackingCurrentTime);\n    }\n    /**\n     * Sets up an interval function to track current time and trigger `timeupdate` every\n     * 250 milliseconds.\n     *\n     * @listens Tech#play\n     * @triggers Tech#timeupdate\n     */\n    ;\n\n    _proto.trackCurrentTime = function trackCurrentTime() {\n      if (this.currentTimeInterval) {\n        this.stopTrackingCurrentTime();\n      }\n\n      this.currentTimeInterval = this.setInterval(function () {\n        /**\n         * Triggered at an interval of 250ms to indicated that time is passing in the video.\n         *\n         * @event Tech#timeupdate\n         * @type {EventTarget~Event}\n         */\n        this.trigger({\n          type: 'timeupdate',\n          target: this,\n          manuallyTriggered: true\n        }); // 42 = 24 fps // 250 is what Webkit uses // FF uses 15\n      }, 250);\n    }\n    /**\n     * Stop the interval function created in {@link Tech#trackCurrentTime} so that the\n     * `timeupdate` event is no longer triggered.\n     *\n     * @listens {Tech#pause}\n     */\n    ;\n\n    _proto.stopTrackingCurrentTime = function stopTrackingCurrentTime() {\n      this.clearInterval(this.currentTimeInterval); // #1002 - if the video ends right before the next timeupdate would happen,\n      // the progress bar won't make it all the way to the end\n\n      this.trigger({\n        type: 'timeupdate',\n        target: this,\n        manuallyTriggered: true\n      });\n    }\n    /**\n     * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},\n     * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.\n     *\n     * @fires Component#dispose\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      // clear out all tracks because we can't reuse them between techs\n      this.clearTracks(NORMAL.names); // Turn off any manual progress or timeupdate tracking\n\n      if (this.manualProgress) {\n        this.manualProgressOff();\n      }\n\n      if (this.manualTimeUpdates) {\n        this.manualTimeUpdatesOff();\n      }\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Clear out a single `TrackList` or an array of `TrackLists` given their names.\n     *\n     * > Note: Techs without source handlers should call this between sources for `video`\n     *         & `audio` tracks. You don't want to use them between tracks!\n     *\n     * @param {string[]|string} types\n     *        TrackList names to clear, valid names are `video`, `audio`, and\n     *        `text`.\n     */\n    ;\n\n    _proto.clearTracks = function clearTracks(types) {\n      var _this3 = this;\n\n      types = [].concat(types); // clear out all tracks because we can't reuse them between techs\n\n      types.forEach(function (type) {\n        var list = _this3[type + \"Tracks\"]() || [];\n        var i = list.length;\n\n        while (i--) {\n          var track = list[i];\n\n          if (type === 'text') {\n            _this3.removeRemoteTextTrack(track);\n          }\n\n          list.removeTrack(track);\n        }\n      });\n    }\n    /**\n     * Remove any TextTracks added via addRemoteTextTrack that are\n     * flagged for automatic garbage collection\n     */\n    ;\n\n    _proto.cleanupAutoTextTracks = function cleanupAutoTextTracks() {\n      var list = this.autoRemoteTextTracks_ || [];\n      var i = list.length;\n\n      while (i--) {\n        var track = list[i];\n        this.removeRemoteTextTrack(track);\n      }\n    }\n    /**\n     * Reset the tech, which will removes all sources and reset the internal readyState.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.reset = function reset() {}\n    /**\n     * Get or set an error on the Tech.\n     *\n     * @param {MediaError} [err]\n     *        Error to set on the Tech\n     *\n     * @return {MediaError|null}\n     *         The current error object on the tech, or null if there isn't one.\n     */\n    ;\n\n    _proto.error = function error(err) {\n      if (err !== undefined) {\n        this.error_ = new MediaError(err);\n        this.trigger('error');\n      }\n\n      return this.error_;\n    }\n    /**\n     * Returns the `TimeRange`s that have been played through for the current source.\n     *\n     * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.\n     *         It only checks whether the source has played at all or not.\n     *\n     * @return {TimeRange}\n     *         - A single time range if this video has played\n     *         - An empty set of ranges if not.\n     */\n    ;\n\n    _proto.played = function played() {\n      if (this.hasStarted_) {\n        return createTimeRanges(0, 0);\n      }\n\n      return createTimeRanges();\n    }\n    /**\n     * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was\n     * previously called.\n     *\n     * @fires Tech#timeupdate\n     */\n    ;\n\n    _proto.setCurrentTime = function setCurrentTime() {\n      // improve the accuracy of manual timeupdates\n      if (this.manualTimeUpdates) {\n        /**\n         * A manual `timeupdate` event.\n         *\n         * @event Tech#timeupdate\n         * @type {EventTarget~Event}\n         */\n        this.trigger({\n          type: 'timeupdate',\n          target: this,\n          manuallyTriggered: true\n        });\n      }\n    }\n    /**\n     * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and\n     * {@link TextTrackList} events.\n     *\n     * This adds {@link EventTarget~EventListeners} for `addtrack`, and  `removetrack`.\n     *\n     * @fires Tech#audiotrackchange\n     * @fires Tech#videotrackchange\n     * @fires Tech#texttrackchange\n     */\n    ;\n\n    _proto.initTrackListeners = function initTrackListeners() {\n      var _this4 = this;\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}\n        *\n        * @event Tech#audiotrackchange\n        * @type {EventTarget~Event}\n        */\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}\n        *\n        * @event Tech#videotrackchange\n        * @type {EventTarget~Event}\n        */\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link TextTrackList}\n        *\n        * @event Tech#texttrackchange\n        * @type {EventTarget~Event}\n        */\n      NORMAL.names.forEach(function (name) {\n        var props = NORMAL[name];\n\n        var trackListChanges = function trackListChanges() {\n          _this4.trigger(name + \"trackchange\");\n        };\n\n        var tracks = _this4[props.getterName]();\n\n        tracks.addEventListener('removetrack', trackListChanges);\n        tracks.addEventListener('addtrack', trackListChanges);\n\n        _this4.on('dispose', function () {\n          tracks.removeEventListener('removetrack', trackListChanges);\n          tracks.removeEventListener('addtrack', trackListChanges);\n        });\n      });\n    }\n    /**\n     * Emulate TextTracks using vtt.js if necessary\n     *\n     * @fires Tech#vttjsloaded\n     * @fires Tech#vttjserror\n     */\n    ;\n\n    _proto.addWebVttScript_ = function addWebVttScript_() {\n      var _this5 = this;\n\n      if (window$3.WebVTT) {\n        return;\n      } // Initially, Tech.el_ is a child of a dummy-div wait until the Component system\n      // signals that the Tech is ready at which point Tech.el_ is part of the DOM\n      // before inserting the WebVTT script\n\n\n      if (document.body.contains(this.el())) {\n        // load via require if available and vtt.js script location was not passed in\n        // as an option. novtt builds will turn the above require call into an empty object\n        // which will cause this if check to always fail.\n        if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {\n          this.trigger('vttjsloaded');\n          return;\n        } // load vtt.js via the script location option or the cdn of no location was\n        // passed in\n\n\n        var script = document.createElement('script');\n        script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js';\n\n        script.onload = function () {\n          /**\n           * Fired when vtt.js is loaded.\n           *\n           * @event Tech#vttjsloaded\n           * @type {EventTarget~Event}\n           */\n          _this5.trigger('vttjsloaded');\n        };\n\n        script.onerror = function () {\n          /**\n           * Fired when vtt.js was not loaded due to an error\n           *\n           * @event Tech#vttjsloaded\n           * @type {EventTarget~Event}\n           */\n          _this5.trigger('vttjserror');\n        };\n\n        this.on('dispose', function () {\n          script.onload = null;\n          script.onerror = null;\n        }); // but have not loaded yet and we set it to true before the inject so that\n        // we don't overwrite the injected window.WebVTT if it loads right away\n\n        window$3.WebVTT = true;\n        this.el().parentNode.appendChild(script);\n      } else {\n        this.ready(this.addWebVttScript_);\n      }\n    }\n    /**\n     * Emulate texttracks\n     *\n     */\n    ;\n\n    _proto.emulateTextTracks = function emulateTextTracks() {\n      var _this6 = this;\n\n      var tracks = this.textTracks();\n      var remoteTracks = this.remoteTextTracks();\n\n      var handleAddTrack = function handleAddTrack(e) {\n        return tracks.addTrack(e.track);\n      };\n\n      var handleRemoveTrack = function handleRemoveTrack(e) {\n        return tracks.removeTrack(e.track);\n      };\n\n      remoteTracks.on('addtrack', handleAddTrack);\n      remoteTracks.on('removetrack', handleRemoveTrack);\n      this.addWebVttScript_();\n\n      var updateDisplay = function updateDisplay() {\n        return _this6.trigger('texttrackchange');\n      };\n\n      var textTracksChanges = function textTracksChanges() {\n        updateDisplay();\n\n        for (var i = 0; i < tracks.length; i++) {\n          var track = tracks[i];\n          track.removeEventListener('cuechange', updateDisplay);\n\n          if (track.mode === 'showing') {\n            track.addEventListener('cuechange', updateDisplay);\n          }\n        }\n      };\n\n      textTracksChanges();\n      tracks.addEventListener('change', textTracksChanges);\n      tracks.addEventListener('addtrack', textTracksChanges);\n      tracks.addEventListener('removetrack', textTracksChanges);\n      this.on('dispose', function () {\n        remoteTracks.off('addtrack', handleAddTrack);\n        remoteTracks.off('removetrack', handleRemoveTrack);\n        tracks.removeEventListener('change', textTracksChanges);\n        tracks.removeEventListener('addtrack', textTracksChanges);\n        tracks.removeEventListener('removetrack', textTracksChanges);\n\n        for (var i = 0; i < tracks.length; i++) {\n          var track = tracks[i];\n          track.removeEventListener('cuechange', updateDisplay);\n        }\n      });\n    }\n    /**\n     * Create and returns a remote {@link TextTrack} object.\n     *\n     * @param {string} kind\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n     *\n     * @param {string} [label]\n     *        Label to identify the text track\n     *\n     * @param {string} [language]\n     *        Two letter language abbreviation\n     *\n     * @return {TextTrack}\n     *         The TextTrack that gets created.\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (!kind) {\n        throw new Error('TextTrack kind is required but was not provided');\n      }\n\n      return createTrackHelper(this, kind, label, language);\n    }\n    /**\n     * Create an emulated TextTrack for use by addRemoteTextTrack\n     *\n     * This is intended to be overridden by classes that inherit from\n     * Tech in order to create native or custom TextTracks.\n     *\n     * @param {Object} options\n     *        The object should contain the options to initialize the TextTrack with.\n     *\n     * @param {string} [options.kind]\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).\n     *\n     * @param {string} [options.label].\n     *        Label to identify the text track\n     *\n     * @param {string} [options.language]\n     *        Two letter language abbreviation.\n     *\n     * @return {HTMLTrackElement}\n     *         The track element that gets created.\n     */\n    ;\n\n    _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {\n      var track = mergeOptions(options, {\n        tech: this\n      });\n      return new REMOTE.remoteTextEl.TrackClass(track);\n    }\n    /**\n     * Creates a remote text track object and returns an html track element.\n     *\n     * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.\n     *\n     * @param {Object} options\n     *        See {@link Tech#createRemoteTextTrack} for more detailed properties.\n     *\n     * @param {boolean} [manualCleanup=true]\n     *        - When false: the TextTrack will be automatically removed from the video\n     *          element whenever the source changes\n     *        - When True: The TextTrack will have to be cleaned up manually\n     *\n     * @return {HTMLTrackElement}\n     *         An Html Track Element.\n     *\n     * @deprecated The default functionality for this function will be equivalent\n     *             to \"manualCleanup=false\" in the future. The manualCleanup parameter will\n     *             also be removed.\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      var _this7 = this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var htmlTrackElement = this.createRemoteTextTrack(options);\n\n      if (manualCleanup !== true && manualCleanup !== false) {\n        // deprecation warning\n        log.warn('Calling addRemoteTextTrack without explicitly setting the \"manualCleanup\" parameter to `true` is deprecated and default to `false` in future version of video.js');\n        manualCleanup = true;\n      } // store HTMLTrackElement and TextTrack to remote list\n\n\n      this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);\n      this.remoteTextTracks().addTrack(htmlTrackElement.track);\n\n      if (manualCleanup !== true) {\n        // create the TextTrackList if it doesn't exist\n        this.ready(function () {\n          return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);\n        });\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Remove a remote text track from the remote `TextTrackList`.\n     *\n     * @param {TextTrack} track\n     *        `TextTrack` to remove from the `TextTrackList`\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {\n      var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track); // remove HTMLTrackElement and TextTrack from remote list\n\n      this.remoteTextTrackEls().removeTrackElement_(trackElement);\n      this.remoteTextTracks().removeTrack(track);\n      this.autoRemoteTextTracks_.removeTrack(track);\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object}\n     *         An object with supported media playback quality metrics\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      return {};\n    }\n    /**\n     * Attempt to create a floating video window always on top of other windows\n     * so that users may continue consuming media while they interact with other\n     * content sites, or applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @return {Promise|undefined}\n     *         A promise with a Picture-in-Picture window if the browser supports\n     *         Promises (or one was passed in as an option). It returns undefined\n     *         otherwise.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (PromiseClass) {\n        return PromiseClass.reject();\n      }\n    }\n    /**\n     * A method to set a poster from a `Tech`.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.setPoster = function setPoster() {}\n    /**\n     * A method to check for the presence of the 'playsinline' <video> attribute.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.playsinline = function playsinline() {}\n    /**\n     * A method to set or unset the 'playsinline' <video> attribute.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.setPlaysinline = function setPlaysinline() {}\n    /**\n     * Attempt to force override of native audio tracks.\n     *\n     * @param {boolean} override - If set to true native audio will be overridden,\n     * otherwise native audio will potentially be used.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks() {}\n    /**\n     * Attempt to force override of native video tracks.\n     *\n     * @param {boolean} override - If set to true native video will be overridden,\n     * otherwise native video will potentially be used.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks() {}\n    /*\n     * Check if the tech can support the given mime-type.\n     *\n     * The base tech does not support any type, but source handlers might\n     * overwrite this.\n     *\n     * @param  {string} type\n     *         The mimetype to check for support\n     *\n     * @return {string}\n     *         'probably', 'maybe', or empty string\n     *\n     * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.canPlayType = function canPlayType() {\n      return '';\n    }\n    /**\n     * Check if the type is supported by this tech.\n     *\n     * The base tech does not support any type, but source handlers might\n     * overwrite this.\n     *\n     * @param {string} type\n     *        The media type to check\n     * @return {string} Returns the native video element's response\n     */\n    ;\n\n    Tech.canPlayType = function canPlayType() {\n      return '';\n    }\n    /**\n     * Check if the tech can support the given source\n     *\n     * @param {Object} srcObj\n     *        The source object\n     * @param {Object} options\n     *        The options passed to the tech\n     * @return {string} 'probably', 'maybe', or '' (empty string)\n     */\n    ;\n\n    Tech.canPlaySource = function canPlaySource(srcObj, options) {\n      return Tech.canPlayType(srcObj.type);\n    }\n    /*\n     * Return whether the argument is a Tech or not.\n     * Can be passed either a Class like `Html5` or a instance like `player.tech_`\n     *\n     * @param {Object} component\n     *        The item to check\n     *\n     * @return {boolean}\n     *         Whether it is a tech or not\n     *         - True if it is a tech\n     *         - False if it is not\n     */\n    ;\n\n    Tech.isTech = function isTech(component) {\n      return component.prototype instanceof Tech || component instanceof Tech || component === Tech;\n    }\n    /**\n     * Registers a `Tech` into a shared list for videojs.\n     *\n     * @param {string} name\n     *        Name of the `Tech` to register.\n     *\n     * @param {Object} tech\n     *        The `Tech` class to register.\n     */\n    ;\n\n    Tech.registerTech = function registerTech(name, tech) {\n      if (!Tech.techs_) {\n        Tech.techs_ = {};\n      }\n\n      if (!Tech.isTech(tech)) {\n        throw new Error(\"Tech \" + name + \" must be a Tech\");\n      }\n\n      if (!Tech.canPlayType) {\n        throw new Error('Techs must have a static canPlayType method on them');\n      }\n\n      if (!Tech.canPlaySource) {\n        throw new Error('Techs must have a static canPlaySource method on them');\n      }\n\n      name = toTitleCase(name);\n      Tech.techs_[name] = tech;\n      Tech.techs_[toLowerCase(name)] = tech;\n\n      if (name !== 'Tech') {\n        // camel case the techName for use in techOrder\n        Tech.defaultTechOrder_.push(name);\n      }\n\n      return tech;\n    }\n    /**\n     * Get a `Tech` from the shared list by name.\n     *\n     * @param {string} name\n     *        `camelCase` or `TitleCase` name of the Tech to get\n     *\n     * @return {Tech|undefined}\n     *         The `Tech` or undefined if there was no tech with the name requested.\n     */\n    ;\n\n    Tech.getTech = function getTech(name) {\n      if (!name) {\n        return;\n      }\n\n      if (Tech.techs_ && Tech.techs_[name]) {\n        return Tech.techs_[name];\n      }\n\n      name = toTitleCase(name);\n\n      if (window$3 && window$3.videojs && window$3.videojs[name]) {\n        log.warn(\"The \" + name + \" tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)\");\n        return window$3.videojs[name];\n      }\n    };\n\n    return Tech;\n  }(Component);\n  /**\n   * Get the {@link VideoTrackList}\n   *\n   * @returns {VideoTrackList}\n   * @method Tech.prototype.videoTracks\n   */\n\n  /**\n   * Get the {@link AudioTrackList}\n   *\n   * @returns {AudioTrackList}\n   * @method Tech.prototype.audioTracks\n   */\n\n  /**\n   * Get the {@link TextTrackList}\n   *\n   * @returns {TextTrackList}\n   * @method Tech.prototype.textTracks\n   */\n\n  /**\n   * Get the remote element {@link TextTrackList}\n   *\n   * @returns {TextTrackList}\n   * @method Tech.prototype.remoteTextTracks\n   */\n\n  /**\n   * Get the remote element {@link HtmlTrackElementList}\n   *\n   * @returns {HtmlTrackElementList}\n   * @method Tech.prototype.remoteTextTrackEls\n   */\n\n\n  ALL.names.forEach(function (name) {\n    var props = ALL[name];\n\n    Tech.prototype[props.getterName] = function () {\n      this[props.privateName] = this[props.privateName] || new props.ListClass();\n      return this[props.privateName];\n    };\n  });\n  /**\n   * List of associated text tracks\n   *\n   * @type {TextTrackList}\n   * @private\n   * @property Tech#textTracks_\n   */\n\n  /**\n   * List of associated audio tracks.\n   *\n   * @type {AudioTrackList}\n   * @private\n   * @property Tech#audioTracks_\n   */\n\n  /**\n   * List of associated video tracks.\n   *\n   * @type {VideoTrackList}\n   * @private\n   * @property Tech#videoTracks_\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports volume control.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresVolumeControl = true;\n  /**\n   * Boolean indicating whether the `Tech` supports muting volume.\n   *\n   * @type {bolean}\n   * @default\n   */\n\n  Tech.prototype.featuresMuteControl = true;\n  /**\n   * Boolean indicating whether the `Tech` supports fullscreen resize control.\n   * Resizing plugins using request fullscreen reloads the plugin\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresFullscreenResize = false;\n  /**\n   * Boolean indicating whether the `Tech` supports changing the speed at which the video\n   * plays. Examples:\n   *   - Set player to play 2x (twice) as fast\n   *   - Set player to play 0.5x (half) as fast\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresPlaybackRate = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `progress` event. This is currently\n   * not triggered by video-js-swf. This will be used to determine if\n   * {@link Tech#manualProgressOn} should be called.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresProgressEvents = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `sourceset` event.\n   *\n   * A tech should set this to `true` and then use {@link Tech#triggerSourceset}\n   * to trigger a {@link Tech#event:sourceset} at the earliest time after getting\n   * a new source.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresSourceset = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `timeupdate` event. This is currently\n   * not triggered by video-js-swf. This will be used to determine if\n   * {@link Tech#manualTimeUpdates} should be called.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresTimeupdateEvents = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the native `TextTrack`s.\n   * This will help us integrate with native `TextTrack`s if the browser supports them.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresNativeTextTracks = false;\n  /**\n   * A functional mixin for techs that want to use the Source Handler pattern.\n   * Source handlers are scripts for handling specific formats.\n   * The source handler pattern is used for adaptive formats (HLS, DASH) that\n   * manually load video data and feed it into a Source Buffer (Media Source Extensions)\n   * Example: `Tech.withSourceHandlers.call(MyTech);`\n   *\n   * @param {Tech} _Tech\n   *        The tech to add source handler functions to.\n   *\n   * @mixes Tech~SourceHandlerAdditions\n   */\n\n  Tech.withSourceHandlers = function (_Tech) {\n    /**\n     * Register a source handler\n     *\n     * @param {Function} handler\n     *        The source handler class\n     *\n     * @param {number} [index]\n     *        Register it at the following index\n     */\n    _Tech.registerSourceHandler = function (handler, index) {\n      var handlers = _Tech.sourceHandlers;\n\n      if (!handlers) {\n        handlers = _Tech.sourceHandlers = [];\n      }\n\n      if (index === undefined) {\n        // add to the end of the list\n        index = handlers.length;\n      }\n\n      handlers.splice(index, 0, handler);\n    };\n    /**\n     * Check if the tech can support the given type. Also checks the\n     * Techs sourceHandlers.\n     *\n     * @param {string} type\n     *         The mimetype to check.\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n\n\n    _Tech.canPlayType = function (type) {\n      var handlers = _Tech.sourceHandlers || [];\n      var can;\n\n      for (var i = 0; i < handlers.length; i++) {\n        can = handlers[i].canPlayType(type);\n\n        if (can) {\n          return can;\n        }\n      }\n\n      return '';\n    };\n    /**\n     * Returns the first source handler that supports the source.\n     *\n     * TODO: Answer question: should 'probably' be prioritized over 'maybe'\n     *\n     * @param {Tech~SourceObject} source\n     *        The source object\n     *\n     * @param {Object} options\n     *        The options passed to the tech\n     *\n     * @return {SourceHandler|null}\n     *          The first source handler that supports the source or null if\n     *          no SourceHandler supports the source\n     */\n\n\n    _Tech.selectSourceHandler = function (source, options) {\n      var handlers = _Tech.sourceHandlers || [];\n      var can;\n\n      for (var i = 0; i < handlers.length; i++) {\n        can = handlers[i].canHandleSource(source, options);\n\n        if (can) {\n          return handlers[i];\n        }\n      }\n\n      return null;\n    };\n    /**\n     * Check if the tech can support the given source.\n     *\n     * @param {Tech~SourceObject} srcObj\n     *        The source object\n     *\n     * @param {Object} options\n     *        The options passed to the tech\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n\n\n    _Tech.canPlaySource = function (srcObj, options) {\n      var sh = _Tech.selectSourceHandler(srcObj, options);\n\n      if (sh) {\n        return sh.canHandleSource(srcObj, options);\n      }\n\n      return '';\n    };\n    /**\n     * When using a source handler, prefer its implementation of\n     * any function normally provided by the tech.\n     */\n\n\n    var deferrable = ['seekable', 'seeking', 'duration'];\n    /**\n     * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable\n     * function if it exists, with a fallback to the Techs seekable function.\n     *\n     * @method _Tech.seekable\n     */\n\n    /**\n     * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration\n     * function if it exists, otherwise it will fallback to the techs duration function.\n     *\n     * @method _Tech.duration\n     */\n\n    deferrable.forEach(function (fnName) {\n      var originalFn = this[fnName];\n\n      if (typeof originalFn !== 'function') {\n        return;\n      }\n\n      this[fnName] = function () {\n        if (this.sourceHandler_ && this.sourceHandler_[fnName]) {\n          return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);\n        }\n\n        return originalFn.apply(this, arguments);\n      };\n    }, _Tech.prototype);\n    /**\n     * Create a function for setting the source using a source object\n     * and source handlers.\n     * Should never be called unless a source handler was found.\n     *\n     * @param {Tech~SourceObject} source\n     *        A source object with src and type keys\n     */\n\n    _Tech.prototype.setSource = function (source) {\n      var sh = _Tech.selectSourceHandler(source, this.options_);\n\n      if (!sh) {\n        // Fall back to a native source hander when unsupported sources are\n        // deliberately set\n        if (_Tech.nativeSourceHandler) {\n          sh = _Tech.nativeSourceHandler;\n        } else {\n          log.error('No source handler found for the current source.');\n        }\n      } // Dispose any existing source handler\n\n\n      this.disposeSourceHandler();\n      this.off('dispose', this.disposeSourceHandler);\n\n      if (sh !== _Tech.nativeSourceHandler) {\n        this.currentSource_ = source;\n      }\n\n      this.sourceHandler_ = sh.handleSource(source, this, this.options_);\n      this.one('dispose', this.disposeSourceHandler);\n    };\n    /**\n     * Clean up any existing SourceHandlers and listeners when the Tech is disposed.\n     *\n     * @listens Tech#dispose\n     */\n\n\n    _Tech.prototype.disposeSourceHandler = function () {\n      // if we have a source and get another one\n      // then we are loading something new\n      // than clear all of our current tracks\n      if (this.currentSource_) {\n        this.clearTracks(['audio', 'video']);\n        this.currentSource_ = null;\n      } // always clean up auto-text tracks\n\n\n      this.cleanupAutoTextTracks();\n\n      if (this.sourceHandler_) {\n        if (this.sourceHandler_.dispose) {\n          this.sourceHandler_.dispose();\n        }\n\n        this.sourceHandler_ = null;\n      }\n    };\n  }; // The base Tech class needs to be registered as a Component. It is the only\n  // Tech that can be registered as a Component.\n\n\n  Component.registerComponent('Tech', Tech);\n  Tech.registerTech('Tech', Tech);\n  /**\n   * A list of techs that should be added to techOrder on Players\n   *\n   * @private\n   */\n\n  Tech.defaultTechOrder_ = [];\n\n  /**\n   * @file middleware.js\n   * @module middleware\n   */\n  var middlewares = {};\n  var middlewareInstances = {};\n  var TERMINATOR = {};\n  /**\n   * A middleware object is a plain JavaScript object that has methods that\n   * match the {@link Tech} methods found in the lists of allowed\n   * {@link module:middleware.allowedGetters|getters},\n   * {@link module:middleware.allowedSetters|setters}, and\n   * {@link module:middleware.allowedMediators|mediators}.\n   *\n   * @typedef {Object} MiddlewareObject\n   */\n\n  /**\n   * A middleware factory function that should return a\n   * {@link module:middleware~MiddlewareObject|MiddlewareObject}.\n   *\n   * This factory will be called for each player when needed, with the player\n   * passed in as an argument.\n   *\n   * @callback MiddlewareFactory\n   * @param {Player} player\n   *        A Video.js player.\n   */\n\n  /**\n   * Define a middleware that the player should use by way of a factory function\n   * that returns a middleware object.\n   *\n   * @param  {string} type\n   *         The MIME type to match or `\"*\"` for all MIME types.\n   *\n   * @param  {MiddlewareFactory} middleware\n   *         A middleware factory function that will be executed for\n   *         matching types.\n   */\n\n  function use(type, middleware) {\n    middlewares[type] = middlewares[type] || [];\n    middlewares[type].push(middleware);\n  }\n  /**\n   * Asynchronously sets a source using middleware by recursing through any\n   * matching middlewares and calling `setSource` on each, passing along the\n   * previous returned value each time.\n   *\n   * @param  {Player} player\n   *         A {@link Player} instance.\n   *\n   * @param  {Tech~SourceObject} src\n   *         A source object.\n   *\n   * @param  {Function}\n   *         The next middleware to run.\n   */\n\n  function setSource(player, src, next) {\n    player.setTimeout(function () {\n      return setSourceHelper(src, middlewares[src.type], next, player);\n    }, 1);\n  }\n  /**\n   * When the tech is set, passes the tech to each middleware's `setTech` method.\n   *\n   * @param {Object[]} middleware\n   *        An array of middleware instances.\n   *\n   * @param {Tech} tech\n   *        A Video.js tech.\n   */\n\n  function setTech(middleware, tech) {\n    middleware.forEach(function (mw) {\n      return mw.setTech && mw.setTech(tech);\n    });\n  }\n  /**\n   * Calls a getter on the tech first, through each middleware\n   * from right to left to the player.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @return {Mixed}\n   *         The final value from the tech after middleware has intercepted it.\n   */\n\n  function get(middleware, tech, method) {\n    return middleware.reduceRight(middlewareIterator(method), tech[method]());\n  }\n  /**\n   * Takes the argument given to the player and calls the setter method on each\n   * middleware from left to right to the tech.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @param  {Mixed} arg\n   *         The value to set on the tech.\n   *\n   * @return {Mixed}\n   *         The return value of the `method` of the `tech`.\n   */\n\n  function set(middleware, tech, method, arg) {\n    return tech[method](middleware.reduce(middlewareIterator(method), arg));\n  }\n  /**\n   * Takes the argument given to the player and calls the `call` version of the\n   * method on each middleware from left to right.\n   *\n   * Then, call the passed in method on the tech and return the result unchanged\n   * back to the player, through middleware, this time from right to left.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @param  {Mixed} arg\n   *         The value to set on the tech.\n   *\n   * @return {Mixed}\n   *         The return value of the `method` of the `tech`, regardless of the\n   *         return values of middlewares.\n   */\n\n  function mediate(middleware, tech, method, arg) {\n    if (arg === void 0) {\n      arg = null;\n    }\n\n    var callMethod = 'call' + toTitleCase(method);\n    var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);\n    var terminated = middlewareValue === TERMINATOR; // deprecated. The `null` return value should instead return TERMINATOR to\n    // prevent confusion if a techs method actually returns null.\n\n    var returnValue = terminated ? null : tech[method](middlewareValue);\n    executeRight(middleware, method, returnValue, terminated);\n    return returnValue;\n  }\n  /**\n   * Enumeration of allowed getters where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedGetters = {\n    buffered: 1,\n    currentTime: 1,\n    duration: 1,\n    muted: 1,\n    played: 1,\n    paused: 1,\n    seekable: 1,\n    volume: 1\n  };\n  /**\n   * Enumeration of allowed setters where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedSetters = {\n    setCurrentTime: 1,\n    setMuted: 1,\n    setVolume: 1\n  };\n  /**\n   * Enumeration of allowed mediators where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedMediators = {\n    play: 1,\n    pause: 1\n  };\n\n  function middlewareIterator(method) {\n    return function (value, mw) {\n      // if the previous middleware terminated, pass along the termination\n      if (value === TERMINATOR) {\n        return TERMINATOR;\n      }\n\n      if (mw[method]) {\n        return mw[method](value);\n      }\n\n      return value;\n    };\n  }\n\n  function executeRight(mws, method, value, terminated) {\n    for (var i = mws.length - 1; i >= 0; i--) {\n      var mw = mws[i];\n\n      if (mw[method]) {\n        mw[method](terminated, value);\n      }\n    }\n  }\n  /**\n   * Clear the middleware cache for a player.\n   *\n   * @param  {Player} player\n   *         A {@link Player} instance.\n   */\n\n\n  function clearCacheForPlayer(player) {\n    middlewareInstances[player.id()] = null;\n  }\n  /**\n   * {\n   *  [playerId]: [[mwFactory, mwInstance], ...]\n   * }\n   *\n   * @private\n   */\n\n  function getOrCreateFactory(player, mwFactory) {\n    var mws = middlewareInstances[player.id()];\n    var mw = null;\n\n    if (mws === undefined || mws === null) {\n      mw = mwFactory(player);\n      middlewareInstances[player.id()] = [[mwFactory, mw]];\n      return mw;\n    }\n\n    for (var i = 0; i < mws.length; i++) {\n      var _mws$i = mws[i],\n          mwf = _mws$i[0],\n          mwi = _mws$i[1];\n\n      if (mwf !== mwFactory) {\n        continue;\n      }\n\n      mw = mwi;\n    }\n\n    if (mw === null) {\n      mw = mwFactory(player);\n      mws.push([mwFactory, mw]);\n    }\n\n    return mw;\n  }\n\n  function setSourceHelper(src, middleware, next, player, acc, lastRun) {\n    if (src === void 0) {\n      src = {};\n    }\n\n    if (middleware === void 0) {\n      middleware = [];\n    }\n\n    if (acc === void 0) {\n      acc = [];\n    }\n\n    if (lastRun === void 0) {\n      lastRun = false;\n    }\n\n    var _middleware = middleware,\n        mwFactory = _middleware[0],\n        mwrest = _middleware.slice(1); // if mwFactory is a string, then we're at a fork in the road\n\n\n    if (typeof mwFactory === 'string') {\n      setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun); // if we have an mwFactory, call it with the player to get the mw,\n      // then call the mw's setSource method\n    } else if (mwFactory) {\n      var mw = getOrCreateFactory(player, mwFactory); // if setSource isn't present, implicitly select this middleware\n\n      if (!mw.setSource) {\n        acc.push(mw);\n        return setSourceHelper(src, mwrest, next, player, acc, lastRun);\n      }\n\n      mw.setSource(assign({}, src), function (err, _src) {\n        // something happened, try the next middleware on the current level\n        // make sure to use the old src\n        if (err) {\n          return setSourceHelper(src, mwrest, next, player, acc, lastRun);\n        } // we've succeeded, now we need to go deeper\n\n\n        acc.push(mw); // if it's the same type, continue down the current chain\n        // otherwise, we want to go down the new chain\n\n        setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);\n      });\n    } else if (mwrest.length) {\n      setSourceHelper(src, mwrest, next, player, acc, lastRun);\n    } else if (lastRun) {\n      next(src, acc);\n    } else {\n      setSourceHelper(src, middlewares['*'], next, player, acc, true);\n    }\n  }\n\n  /**\n   * Mimetypes\n   *\n   * @see http://hul.harvard.edu/ois/////systems/wax/wax-public-help/mimetypes.htm\n   * @typedef Mimetypes~Kind\n   * @enum\n   */\n\n  var MimetypesKind = {\n    opus: 'video/ogg',\n    ogv: 'video/ogg',\n    mp4: 'video/mp4',\n    mov: 'video/mp4',\n    m4v: 'video/mp4',\n    mkv: 'video/x-matroska',\n    m4a: 'audio/mp4',\n    mp3: 'audio/mpeg',\n    aac: 'audio/aac',\n    oga: 'audio/ogg',\n    m3u8: 'application/x-mpegURL',\n    jpg: 'image/jpeg',\n    jpeg: 'image/jpeg',\n    gif: 'image/gif',\n    png: 'image/png',\n    svg: 'image/svg+xml',\n    webp: 'image/webp'\n  };\n  /**\n   * Get the mimetype of a given src url if possible\n   *\n   * @param {string} src\n   *        The url to the src\n   *\n   * @return {string}\n   *         return the mimetype if it was known or empty string otherwise\n   */\n\n  var getMimetype = function getMimetype(src) {\n    if (src === void 0) {\n      src = '';\n    }\n\n    var ext = getFileExtension(src);\n    var mimetype = MimetypesKind[ext.toLowerCase()];\n    return mimetype || '';\n  };\n  /**\n   * Find the mime type of a given source string if possible. Uses the player\n   * source cache.\n   *\n   * @param {Player} player\n   *        The player object\n   *\n   * @param {string} src\n   *        The source string\n   *\n   * @return {string}\n   *         The type that was found\n   */\n\n  var findMimetype = function findMimetype(player, src) {\n    if (!src) {\n      return '';\n    } // 1. check for the type in the `source` cache\n\n\n    if (player.cache_.source.src === src && player.cache_.source.type) {\n      return player.cache_.source.type;\n    } // 2. see if we have this source in our `currentSources` cache\n\n\n    var matchingSources = player.cache_.sources.filter(function (s) {\n      return s.src === src;\n    });\n\n    if (matchingSources.length) {\n      return matchingSources[0].type;\n    } // 3. look for the src url in source elements and use the type there\n\n\n    var sources = player.$$('source');\n\n    for (var i = 0; i < sources.length; i++) {\n      var s = sources[i];\n\n      if (s.type && s.src && s.src === src) {\n        return s.type;\n      }\n    } // 4. finally fallback to our list of mime types based on src url extension\n\n\n    return getMimetype(src);\n  };\n\n  /**\n   * @module filter-source\n   */\n  /**\n   * Filter out single bad source objects or multiple source objects in an\n   * array. Also flattens nested source object arrays into a 1 dimensional\n   * array of source objects.\n   *\n   * @param {Tech~SourceObject|Tech~SourceObject[]} src\n   *        The src object to filter\n   *\n   * @return {Tech~SourceObject[]}\n   *         An array of sourceobjects containing only valid sources\n   *\n   * @private\n   */\n\n  var filterSource = function filterSource(src) {\n    // traverse array\n    if (Array.isArray(src)) {\n      var newsrc = [];\n      src.forEach(function (srcobj) {\n        srcobj = filterSource(srcobj);\n\n        if (Array.isArray(srcobj)) {\n          newsrc = newsrc.concat(srcobj);\n        } else if (isObject(srcobj)) {\n          newsrc.push(srcobj);\n        }\n      });\n      src = newsrc;\n    } else if (typeof src === 'string' && src.trim()) {\n      // convert string into object\n      src = [fixSource({\n        src: src\n      })];\n    } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {\n      // src is already valid\n      src = [fixSource(src)];\n    } else {\n      // invalid source, turn it into an empty array\n      src = [];\n    }\n\n    return src;\n  };\n  /**\n   * Checks src mimetype, adding it when possible\n   *\n   * @param {Tech~SourceObject} src\n   *        The src object to check\n   * @return {Tech~SourceObject}\n   *        src Object with known type\n   */\n\n\n  function fixSource(src) {\n    if (!src.type) {\n      var mimetype = getMimetype(src.src);\n\n      if (mimetype) {\n        src.type = mimetype;\n      }\n    }\n\n    return src;\n  }\n\n  /**\n   * The `MediaLoader` is the `Component` that decides which playback technology to load\n   * when a player is initialized.\n   *\n   * @extends Component\n   */\n\n  var MediaLoader = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MediaLoader, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should attach to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function that is run when this component is ready.\n     */\n    function MediaLoader(player, options, ready) {\n      var _this;\n\n      // MediaLoader has no element\n      var options_ = mergeOptions({\n        createEl: false\n      }, options);\n      _this = _Component.call(this, player, options_, ready) || this; // If there are no sources when the player is initialized,\n      // load the first supported playback technology.\n\n      if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {\n        for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {\n          var techName = toTitleCase(j[i]);\n          var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.\n          // Remove once that deprecated behavior is removed.\n\n          if (!techName) {\n            tech = Component.getComponent(techName);\n          } // Check if the browser supports this technology\n\n\n          if (tech && tech.isSupported()) {\n            player.loadTech_(techName);\n            break;\n          }\n        }\n      } else {\n        // Loop through playback technologies (HTML5, Flash) and check for support.\n        // Then load the best source.\n        // A few assumptions here:\n        //   All playback technologies respect preload false.\n        player.src(options.playerOptions.sources);\n      }\n\n      return _this;\n    }\n\n    return MediaLoader;\n  }(Component);\n\n  Component.registerComponent('MediaLoader', MediaLoader);\n\n  /**\n   * Component which is clickable or keyboard actionable, but is not a\n   * native HTML button.\n   *\n   * @extends Component\n   */\n\n  var ClickableComponent = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ClickableComponent, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param  {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param  {Object} [options]\n     *         The key/value store of player options.\n     *\n     * @param  {function} [options.clickHandler]\n     *         The function to call when the button is clicked / activated\n     */\n    function ClickableComponent(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.emitTapEvents();\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Create the `ClickableComponent`s DOM element.\n     *\n     * @param {string} [tag=div]\n     *        The element's node type.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element.\n     *\n     * @param {Object} [attributes={}]\n     *        An object of attributes that should be set on the element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n\n\n    var _proto = ClickableComponent.prototype;\n\n    _proto.createEl = function createEl(tag, props, attributes) {\n      if (tag === void 0) {\n        tag = 'div';\n      }\n\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      props = assign({\n        innerHTML: '<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>',\n        className: this.buildCSSClass(),\n        tabIndex: 0\n      }, props);\n\n      if (tag === 'button') {\n        log.error(\"Creating a ClickableComponent with an HTML element of \" + tag + \" is not supported; use a Button instead.\");\n      } // Add ARIA attributes for clickable element which is not a native HTML button\n\n\n      attributes = assign({\n        role: 'button'\n      }, attributes);\n      this.tabIndex_ = props.tabIndex;\n\n      var el = _Component.prototype.createEl.call(this, tag, props, attributes);\n\n      this.createControlTextEl(el);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      // remove controlTextEl_ on dispose\n      this.controlTextEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Create a control text element on this `ClickableComponent`\n     *\n     * @param {Element} [el]\n     *        Parent element for the control text.\n     *\n     * @return {Element}\n     *         The control text element that gets created.\n     */\n    ;\n\n    _proto.createControlTextEl = function createControlTextEl(el) {\n      this.controlTextEl_ = createEl('span', {\n        className: 'vjs-control-text'\n      }, {\n        // let the screen reader user know that the text of the element may change\n        'aria-live': 'polite'\n      });\n\n      if (el) {\n        el.appendChild(this.controlTextEl_);\n      }\n\n      this.controlText(this.controlText_, el);\n      return this.controlTextEl_;\n    }\n    /**\n     * Get or set the localize text to use for the controls on the `ClickableComponent`.\n     *\n     * @param {string} [text]\n     *        Control text for element.\n     *\n     * @param {Element} [el=this.el()]\n     *        Element to set the title on.\n     *\n     * @return {string}\n     *         - The control text when getting\n     */\n    ;\n\n    _proto.controlText = function controlText(text, el) {\n      if (el === void 0) {\n        el = this.el();\n      }\n\n      if (text === undefined) {\n        return this.controlText_ || 'Need Text';\n      }\n\n      var localizedText = this.localize(text);\n      this.controlText_ = text;\n      textContent(this.controlTextEl_, localizedText);\n\n      if (!this.nonIconControl) {\n        // Set title attribute if only an icon is shown\n        el.setAttribute('title', localizedText);\n      }\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-control vjs-button \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Enable this `ClickableComponent`\n     */\n    ;\n\n    _proto.enable = function enable() {\n      if (!this.enabled_) {\n        this.enabled_ = true;\n        this.removeClass('vjs-disabled');\n        this.el_.setAttribute('aria-disabled', 'false');\n\n        if (typeof this.tabIndex_ !== 'undefined') {\n          this.el_.setAttribute('tabIndex', this.tabIndex_);\n        }\n\n        this.on(['tap', 'click'], this.handleClick);\n        this.on('keydown', this.handleKeyDown);\n      }\n    }\n    /**\n     * Disable this `ClickableComponent`\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.enabled_ = false;\n      this.addClass('vjs-disabled');\n      this.el_.setAttribute('aria-disabled', 'true');\n\n      if (typeof this.tabIndex_ !== 'undefined') {\n        this.el_.removeAttribute('tabIndex');\n      }\n\n      this.off('mouseover', this.handleMouseOver);\n      this.off('mouseout', this.handleMouseOut);\n      this.off(['tap', 'click'], this.handleClick);\n      this.off('keydown', this.handleKeyDown);\n    }\n    /**\n     * Event handler that is called when a `ClickableComponent` receives a\n     * `click` or `tap` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `tap` or `click` event that caused this function to be called.\n     *\n     * @listens tap\n     * @listens click\n     * @abstract\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.options_.clickHandler) {\n        this.options_.clickHandler.call(this, arguments);\n      }\n    }\n    /**\n     * Event handler that is called when a `ClickableComponent` receives a\n     * `keydown` event.\n     *\n     * By default, if the key is Space or Enter, it will trigger a `click` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Support Space or Enter key operation to fire a click event. Also,\n      // prevent the event from propagating through the DOM and triggering\n      // Player hotkeys.\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.trigger('click');\n      } else {\n        // Pass keypress handling up for unsupported keys\n        _Component.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return ClickableComponent;\n  }(Component);\n\n  Component.registerComponent('ClickableComponent', ClickableComponent);\n\n  /**\n   * A `ClickableComponent` that handles showing the poster image for the player.\n   *\n   * @extends ClickableComponent\n   */\n\n  var PosterImage = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(PosterImage, _ClickableComponent);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should attach to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PosterImage(player, options) {\n      var _this;\n\n      _this = _ClickableComponent.call(this, player, options) || this;\n\n      _this.update();\n\n      player.on('posterchange', bind(assertThisInitialized(_this), _this.update));\n      return _this;\n    }\n    /**\n     * Clean up and dispose of the `PosterImage`.\n     */\n\n\n    var _proto = PosterImage.prototype;\n\n    _proto.dispose = function dispose() {\n      this.player().off('posterchange', this.update);\n\n      _ClickableComponent.prototype.dispose.call(this);\n    }\n    /**\n     * Create the `PosterImage`s DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var el = createEl('div', {\n        className: 'vjs-poster',\n        // Don't want poster to be tabbable.\n        tabIndex: -1\n      });\n      return el;\n    }\n    /**\n     * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.\n     *\n     * @listens Player#posterchange\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `Player#posterchange` event that triggered this function.\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var url = this.player().poster();\n      this.setSrc(url); // If there's no poster source we should display:none on this component\n      // so it's not still clickable or right-clickable\n\n      if (url) {\n        this.show();\n      } else {\n        this.hide();\n      }\n    }\n    /**\n     * Set the source of the `PosterImage` depending on the display method.\n     *\n     * @param {string} url\n     *        The URL to the source for the `PosterImage`.\n     */\n    ;\n\n    _proto.setSrc = function setSrc(url) {\n      var backgroundImage = ''; // Any falsy value should stay as an empty string, otherwise\n      // this will throw an extra error\n\n      if (url) {\n        backgroundImage = \"url(\\\"\" + url + \"\\\")\";\n      }\n\n      this.el_.style.backgroundImage = backgroundImage;\n    }\n    /**\n     * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See\n     * {@link ClickableComponent#handleClick} for instances where this will be triggered.\n     *\n     * @listens tap\n     * @listens click\n     * @listens keydown\n     *\n     * @param {EventTarget~Event} event\n     +        The `click`, `tap` or `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      // We don't want a click to trigger playback when controls are disabled\n      if (!this.player_.controls()) {\n        return;\n      }\n\n      var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;\n\n      if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where\n      // calling .focus() on the video element causes the video to go black,\n      // so we avoid it in that specific case\n      !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {\n        this.player_.tech(true).focus();\n      }\n\n      if (this.player_.paused()) {\n        silencePromise(this.player_.play());\n      } else {\n        this.player_.pause();\n      }\n    };\n\n    return PosterImage;\n  }(ClickableComponent);\n\n  Component.registerComponent('PosterImage', PosterImage);\n\n  var darkGray = '#222';\n  var lightGray = '#ccc';\n  var fontMap = {\n    monospace: 'monospace',\n    sansSerif: 'sans-serif',\n    serif: 'serif',\n    monospaceSansSerif: '\"Andale Mono\", \"Lucida Console\", monospace',\n    monospaceSerif: '\"Courier New\", monospace',\n    proportionalSansSerif: 'sans-serif',\n    proportionalSerif: 'serif',\n    casual: '\"Comic Sans MS\", Impact, fantasy',\n    script: '\"Monotype Corsiva\", cursive',\n    smallcaps: '\"Andale Mono\", \"Lucida Console\", monospace, sans-serif'\n  };\n  /**\n   * Construct an rgba color from a given hex color code.\n   *\n   * @param {number} color\n   *        Hex number for color, like #f0e or #f604e2.\n   *\n   * @param {number} opacity\n   *        Value for opacity, 0.0 - 1.0.\n   *\n   * @return {string}\n   *         The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.\n   */\n\n  function constructColor(color, opacity) {\n    var hex;\n\n    if (color.length === 4) {\n      // color looks like \"#f0e\"\n      hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3];\n    } else if (color.length === 7) {\n      // color looks like \"#f604e2\"\n      hex = color.slice(1);\n    } else {\n      throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.');\n    }\n\n    return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')';\n  }\n  /**\n   * Try to update the style of a DOM element. Some style changes will throw an error,\n   * particularly in IE8. Those should be noops.\n   *\n   * @param {Element} el\n   *        The DOM element to be styled.\n   *\n   * @param {string} style\n   *        The CSS property on the element that should be styled.\n   *\n   * @param {string} rule\n   *        The style rule that should be applied to the property.\n   *\n   * @private\n   */\n\n  function tryUpdateStyle(el, style, rule) {\n    try {\n      el.style[style] = rule;\n    } catch (e) {\n      // Satisfies linter.\n      return;\n    }\n  }\n  /**\n   * The component for displaying text track cues.\n   *\n   * @extends Component\n   */\n\n\n  var TextTrackDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TextTrackDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when `TextTrackDisplay` is ready.\n     */\n    function TextTrackDisplay(player, options, ready) {\n      var _this;\n\n      _this = _Component.call(this, player, options, ready) || this;\n      var updateDisplayHandler = bind(assertThisInitialized(_this), _this.updateDisplay);\n      player.on('loadstart', bind(assertThisInitialized(_this), _this.toggleDisplay));\n      player.on('texttrackchange', updateDisplayHandler);\n      player.on('loadedmetadata', bind(assertThisInitialized(_this), _this.preselectTrack)); // This used to be called during player init, but was causing an error\n      // if a track should show by default and the display hadn't loaded yet.\n      // Should probably be moved to an external track loader when we support\n      // tracks that don't need a display.\n\n      player.ready(bind(assertThisInitialized(_this), function () {\n        if (player.tech_ && player.tech_.featuresNativeTextTracks) {\n          this.hide();\n          return;\n        }\n\n        player.on('fullscreenchange', updateDisplayHandler);\n        player.on('playerresize', updateDisplayHandler);\n        window$3.addEventListener('orientationchange', updateDisplayHandler);\n        player.on('dispose', function () {\n          return window$3.removeEventListener('orientationchange', updateDisplayHandler);\n        });\n        var tracks = this.options_.playerOptions.tracks || [];\n\n        for (var i = 0; i < tracks.length; i++) {\n          this.player_.addRemoteTextTrack(tracks[i], true);\n        }\n\n        this.preselectTrack();\n      }));\n      return _this;\n    }\n    /**\n    * Preselect a track following this precedence:\n    * - matches the previously selected {@link TextTrack}'s language and kind\n    * - matches the previously selected {@link TextTrack}'s language only\n    * - is the first default captions track\n    * - is the first default descriptions track\n    *\n    * @listens Player#loadstart\n    */\n\n\n    var _proto = TextTrackDisplay.prototype;\n\n    _proto.preselectTrack = function preselectTrack() {\n      var modes = {\n        captions: 1,\n        subtitles: 1\n      };\n      var trackList = this.player_.textTracks();\n      var userPref = this.player_.cache_.selectedLanguage;\n      var firstDesc;\n      var firstCaptions;\n      var preferredTrack;\n\n      for (var i = 0; i < trackList.length; i++) {\n        var track = trackList[i];\n\n        if (userPref && userPref.enabled && userPref.language && userPref.language === track.language && track.kind in modes) {\n          // Always choose the track that matches both language and kind\n          if (track.kind === userPref.kind) {\n            preferredTrack = track; // or choose the first track that matches language\n          } else if (!preferredTrack) {\n            preferredTrack = track;\n          } // clear everything if offTextTrackMenuItem was clicked\n\n        } else if (userPref && !userPref.enabled) {\n          preferredTrack = null;\n          firstDesc = null;\n          firstCaptions = null;\n        } else if (track[\"default\"]) {\n          if (track.kind === 'descriptions' && !firstDesc) {\n            firstDesc = track;\n          } else if (track.kind in modes && !firstCaptions) {\n            firstCaptions = track;\n          }\n        }\n      } // The preferredTrack matches the user preference and takes\n      // precedence over all the other tracks.\n      // So, display the preferredTrack before the first default track\n      // and the subtitles/captions track before the descriptions track\n\n\n      if (preferredTrack) {\n        preferredTrack.mode = 'showing';\n      } else if (firstCaptions) {\n        firstCaptions.mode = 'showing';\n      } else if (firstDesc) {\n        firstDesc.mode = 'showing';\n      }\n    }\n    /**\n     * Turn display of {@link TextTrack}'s from the current state into the other state.\n     * There are only two states:\n     * - 'shown'\n     * - 'hidden'\n     *\n     * @listens Player#loadstart\n     */\n    ;\n\n    _proto.toggleDisplay = function toggleDisplay() {\n      if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {\n        this.hide();\n      } else {\n        this.show();\n      }\n    }\n    /**\n     * Create the {@link Component}'s DOM element.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-text-track-display'\n      }, {\n        'aria-live': 'off',\n        'aria-atomic': 'true'\n      });\n    }\n    /**\n     * Clear all displayed {@link TextTrack}s.\n     */\n    ;\n\n    _proto.clearDisplay = function clearDisplay() {\n      if (typeof window$3.WebVTT === 'function') {\n        window$3.WebVTT.processCues(window$3, [], this.el_);\n      }\n    }\n    /**\n     * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or\n     * a {@link Player#fullscreenchange} is fired.\n     *\n     * @listens Player#texttrackchange\n     * @listens Player#fullscreenchange\n     */\n    ;\n\n    _proto.updateDisplay = function updateDisplay() {\n      var tracks = this.player_.textTracks();\n      var allowMultipleShowingTracks = this.options_.allowMultipleShowingTracks;\n      this.clearDisplay();\n\n      if (allowMultipleShowingTracks) {\n        var showingTracks = [];\n\n        for (var _i = 0; _i < tracks.length; ++_i) {\n          var track = tracks[_i];\n\n          if (track.mode !== 'showing') {\n            continue;\n          }\n\n          showingTracks.push(track);\n        }\n\n        this.updateForTrack(showingTracks);\n        return;\n      } //  Track display prioritization model: if multiple tracks are 'showing',\n      //  display the first 'subtitles' or 'captions' track which is 'showing',\n      //  otherwise display the first 'descriptions' track which is 'showing'\n\n\n      var descriptionsTrack = null;\n      var captionsSubtitlesTrack = null;\n      var i = tracks.length;\n\n      while (i--) {\n        var _track = tracks[i];\n\n        if (_track.mode === 'showing') {\n          if (_track.kind === 'descriptions') {\n            descriptionsTrack = _track;\n          } else {\n            captionsSubtitlesTrack = _track;\n          }\n        }\n      }\n\n      if (captionsSubtitlesTrack) {\n        if (this.getAttribute('aria-live') !== 'off') {\n          this.setAttribute('aria-live', 'off');\n        }\n\n        this.updateForTrack(captionsSubtitlesTrack);\n      } else if (descriptionsTrack) {\n        if (this.getAttribute('aria-live') !== 'assertive') {\n          this.setAttribute('aria-live', 'assertive');\n        }\n\n        this.updateForTrack(descriptionsTrack);\n      }\n    }\n    /**\n     * Style {@Link TextTrack} activeCues according to {@Link TextTrackSettings}.\n     *\n     * @param {TextTrack} track\n     *        Text track object containing active cues to style.\n     */\n    ;\n\n    _proto.updateDisplayState = function updateDisplayState(track) {\n      var overrides = this.player_.textTrackSettings.getValues();\n      var cues = track.activeCues;\n      var i = cues.length;\n\n      while (i--) {\n        var cue = cues[i];\n\n        if (!cue) {\n          continue;\n        }\n\n        var cueDiv = cue.displayState;\n\n        if (overrides.color) {\n          cueDiv.firstChild.style.color = overrides.color;\n        }\n\n        if (overrides.textOpacity) {\n          tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));\n        }\n\n        if (overrides.backgroundColor) {\n          cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;\n        }\n\n        if (overrides.backgroundOpacity) {\n          tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));\n        }\n\n        if (overrides.windowColor) {\n          if (overrides.windowOpacity) {\n            tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));\n          } else {\n            cueDiv.style.backgroundColor = overrides.windowColor;\n          }\n        }\n\n        if (overrides.edgeStyle) {\n          if (overrides.edgeStyle === 'dropshadow') {\n            cueDiv.firstChild.style.textShadow = \"2px 2px 3px \" + darkGray + \", 2px 2px 4px \" + darkGray + \", 2px 2px 5px \" + darkGray;\n          } else if (overrides.edgeStyle === 'raised') {\n            cueDiv.firstChild.style.textShadow = \"1px 1px \" + darkGray + \", 2px 2px \" + darkGray + \", 3px 3px \" + darkGray;\n          } else if (overrides.edgeStyle === 'depressed') {\n            cueDiv.firstChild.style.textShadow = \"1px 1px \" + lightGray + \", 0 1px \" + lightGray + \", -1px -1px \" + darkGray + \", 0 -1px \" + darkGray;\n          } else if (overrides.edgeStyle === 'uniform') {\n            cueDiv.firstChild.style.textShadow = \"0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray;\n          }\n        }\n\n        if (overrides.fontPercent && overrides.fontPercent !== 1) {\n          var fontSize = window$3.parseFloat(cueDiv.style.fontSize);\n          cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';\n          cueDiv.style.height = 'auto';\n          cueDiv.style.top = 'auto';\n          cueDiv.style.bottom = '2px';\n        }\n\n        if (overrides.fontFamily && overrides.fontFamily !== 'default') {\n          if (overrides.fontFamily === 'small-caps') {\n            cueDiv.firstChild.style.fontVariant = 'small-caps';\n          } else {\n            cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];\n          }\n        }\n      }\n    }\n    /**\n     * Add an {@link TextTrack} to to the {@link Tech}s {@link TextTrackList}.\n     *\n     * @param {TextTrack|TextTrack[]} tracks\n     *        Text track object or text track array to be added to the list.\n     */\n    ;\n\n    _proto.updateForTrack = function updateForTrack(tracks) {\n      if (!Array.isArray(tracks)) {\n        tracks = [tracks];\n      }\n\n      if (typeof window$3.WebVTT !== 'function' || tracks.every(function (track) {\n        return !track.activeCues;\n      })) {\n        return;\n      }\n\n      var cues = []; // push all active track cues\n\n      for (var i = 0; i < tracks.length; ++i) {\n        var track = tracks[i];\n\n        for (var j = 0; j < track.activeCues.length; ++j) {\n          cues.push(track.activeCues[j]);\n        }\n      } // removes all cues before it processes new ones\n\n\n      window$3.WebVTT.processCues(window$3, cues, this.el_); // add unique class to each language text track & add settings styling if necessary\n\n      for (var _i2 = 0; _i2 < tracks.length; ++_i2) {\n        var _track2 = tracks[_i2];\n\n        for (var _j = 0; _j < _track2.activeCues.length; ++_j) {\n          var cueEl = _track2.activeCues[_j].displayState;\n          addClass(cueEl, 'vjs-text-track-cue');\n          addClass(cueEl, 'vjs-text-track-cue-' + (_track2.language ? _track2.language : _i2));\n        }\n\n        if (this.player_.textTrackSettings) {\n          this.updateDisplayState(_track2);\n        }\n      }\n    };\n\n    return TextTrackDisplay;\n  }(Component);\n\n  Component.registerComponent('TextTrackDisplay', TextTrackDisplay);\n\n  /**\n   * A loading spinner for use during waiting/loading events.\n   *\n   * @extends Component\n   */\n\n  var LoadingSpinner = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LoadingSpinner, _Component);\n\n    function LoadingSpinner() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = LoadingSpinner.prototype;\n\n    /**\n     * Create the `LoadingSpinner`s DOM element.\n     *\n     * @return {Element}\n     *         The dom element that gets created.\n     */\n    _proto.createEl = function createEl$1() {\n      var isAudio = this.player_.isAudio();\n      var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');\n      var controlText = createEl('span', {\n        className: 'vjs-control-text',\n        innerHTML: this.localize('{1} is loading.', [playerType])\n      });\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-loading-spinner',\n        dir: 'ltr'\n      });\n\n      el.appendChild(controlText);\n      return el;\n    };\n\n    return LoadingSpinner;\n  }(Component);\n\n  Component.registerComponent('LoadingSpinner', LoadingSpinner);\n\n  /**\n   * Base class for all buttons.\n   *\n   * @extends ClickableComponent\n   */\n\n  var Button = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(Button, _ClickableComponent);\n\n    function Button() {\n      return _ClickableComponent.apply(this, arguments) || this;\n    }\n\n    var _proto = Button.prototype;\n\n    /**\n     * Create the `Button`s DOM element.\n     *\n     * @param {string} [tag=\"button\"]\n     *        The element's node type. This argument is IGNORED: no matter what\n     *        is passed, it will always create a `button` element.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element.\n     *\n     * @param {Object} [attributes={}]\n     *        An object of attributes that should be set on the element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    _proto.createEl = function createEl(tag, props, attributes) {\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      tag = 'button';\n      props = assign({\n        innerHTML: '<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>',\n        className: this.buildCSSClass()\n      }, props); // Add attributes for button element\n\n      attributes = assign({\n        // Necessary since the default button type is \"submit\"\n        type: 'button'\n      }, attributes);\n      var el = Component.prototype.createEl.call(this, tag, props, attributes);\n      this.createControlTextEl(el);\n      return el;\n    }\n    /**\n     * Add a child `Component` inside of this `Button`.\n     *\n     * @param {string|Component} child\n     *        The name or instance of a child to add.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of options that will get passed to children of\n     *        the child.\n     *\n     * @return {Component}\n     *         The `Component` that gets added as a child. When using a string the\n     *         `Component` will get created by this process.\n     *\n     * @deprecated since version 5\n     */\n    ;\n\n    _proto.addChild = function addChild(child, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      var className = this.constructor.name;\n      log.warn(\"Adding an actionable (user controllable) child to a Button (\" + className + \") is not supported; use a ClickableComponent instead.\"); // Avoid the error message generated by ClickableComponent's addChild method\n\n      return Component.prototype.addChild.call(this, child, options);\n    }\n    /**\n     * Enable the `Button` element so that it can be activated or clicked. Use this with\n     * {@link Button#disable}.\n     */\n    ;\n\n    _proto.enable = function enable() {\n      _ClickableComponent.prototype.enable.call(this);\n\n      this.el_.removeAttribute('disabled');\n    }\n    /**\n     * Disable the `Button` element so that it cannot be activated or clicked. Use this with\n     * {@link Button#enable}.\n     */\n    ;\n\n    _proto.disable = function disable() {\n      _ClickableComponent.prototype.disable.call(this);\n\n      this.el_.setAttribute('disabled', 'disabled');\n    }\n    /**\n     * This gets called when a `Button` has focus and `keydown` is triggered via a key\n     * press.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to get called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Ignore Space or Enter key operation, which is handled by the browser for\n      // a button - though not for its super class, ClickableComponent. Also,\n      // prevent the event from propagating through the DOM and triggering Player\n      // hotkeys. We do not preventDefault here because we _want_ the browser to\n      // handle it.\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.stopPropagation();\n        return;\n      } // Pass keypress handling up for unsupported keys\n\n\n      _ClickableComponent.prototype.handleKeyDown.call(this, event);\n    };\n\n    return Button;\n  }(ClickableComponent);\n\n  Component.registerComponent('Button', Button);\n\n  /**\n   * The initial play button that shows before the video has played. The hiding of the\n   * `BigPlayButton` get done via CSS and `Player` states.\n   *\n   * @extends Button\n   */\n\n  var BigPlayButton = /*#__PURE__*/function (_Button) {\n    inheritsLoose(BigPlayButton, _Button);\n\n    function BigPlayButton(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n      _this.mouseused_ = false;\n\n      _this.on('mousedown', _this.handleMouseDown);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object. Always returns 'vjs-big-play-button'.\n     */\n\n\n    var _proto = BigPlayButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-big-play-button';\n    }\n    /**\n     * This gets called when a `BigPlayButton` \"clicked\". See {@link ClickableComponent}\n     * for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var playPromise = this.player_.play(); // exit early if clicked via the mouse\n\n      if (this.mouseused_ && event.clientX && event.clientY) {\n        var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;\n        silencePromise(playPromise);\n\n        if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where\n        // calling .focus() on the video element causes the video to go black,\n        // so we avoid it in that specific case\n        !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {\n          this.player_.tech(true).focus();\n        }\n\n        return;\n      }\n\n      var cb = this.player_.getChild('controlBar');\n      var playToggle = cb && cb.getChild('playToggle');\n\n      if (!playToggle) {\n        this.player_.tech(true).focus();\n        return;\n      }\n\n      var playFocus = function playFocus() {\n        return playToggle.focus();\n      };\n\n      if (isPromise(playPromise)) {\n        playPromise.then(playFocus, function () {});\n      } else {\n        this.setTimeout(playFocus, 1);\n      }\n    };\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      this.mouseused_ = false;\n\n      _Button.prototype.handleKeyDown.call(this, event);\n    };\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      this.mouseused_ = true;\n    };\n\n    return BigPlayButton;\n  }(Button);\n  /**\n   * The text that should display over the `BigPlayButton`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  BigPlayButton.prototype.controlText_ = 'Play Video';\n  Component.registerComponent('BigPlayButton', BigPlayButton);\n\n  /**\n   * The `CloseButton` is a `{@link Button}` that fires a `close` event when\n   * it gets clicked.\n   *\n   * @extends Button\n   */\n\n  var CloseButton = /*#__PURE__*/function (_Button) {\n    inheritsLoose(CloseButton, _Button);\n\n    /**\n    * Creates an instance of the this class.\n    *\n    * @param  {Player} player\n    *         The `Player` that this class should be attached to.\n    *\n    * @param  {Object} [options]\n    *         The key/value store of player options.\n    */\n    function CloseButton(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.controlText(options && options.controlText || _this.localize('Close'));\n\n      return _this;\n    }\n    /**\n    * Builds the default DOM `className`.\n    *\n    * @return {string}\n    *         The DOM `className` for this object.\n    */\n\n\n    var _proto = CloseButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-close-button \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when a `CloseButton` gets clicked. See\n     * {@link ClickableComponent#handleClick} for more information on when\n     * this will be triggered\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     * @fires CloseButton#close\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      /**\n       * Triggered when the a `CloseButton` is clicked.\n       *\n       * @event CloseButton#close\n       * @type {EventTarget~Event}\n       *\n       * @property {boolean} [bubbles=false]\n       *           set to false so that the close event does not\n       *           bubble up to parents if there is no listener\n       */\n      this.trigger({\n        type: 'close',\n        bubbles: false\n      });\n    }\n    /**\n     * Event handler that is called when a `CloseButton` receives a\n     * `keydown` event.\n     *\n     * By default, if the key is Esc, it will trigger a `click` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Esc button will trigger `click` event\n      if (keycode.isEventKey(event, 'Esc')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.trigger('click');\n      } else {\n        // Pass keypress handling up for unsupported keys\n        _Button.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return CloseButton;\n  }(Button);\n\n  Component.registerComponent('CloseButton', CloseButton);\n\n  /**\n   * Button to toggle between play and pause.\n   *\n   * @extends Button\n   */\n\n  var PlayToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(PlayToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function PlayToggle(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _Button.call(this, player, options) || this; // show or hide replay icon\n\n      options.replay = options.replay === undefined || options.replay;\n\n      _this.on(player, 'play', _this.handlePlay);\n\n      _this.on(player, 'pause', _this.handlePause);\n\n      if (options.replay) {\n        _this.on(player, 'ended', _this.handleEnded);\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = PlayToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-play-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when an `PlayToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.player_.paused()) {\n        this.player_.play();\n      } else {\n        this.player_.pause();\n      }\n    }\n    /**\n     * This gets called once after the video has ended and the user seeks so that\n     * we can change the replay button back to a play button.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#seeked\n     */\n    ;\n\n    _proto.handleSeeked = function handleSeeked(event) {\n      this.removeClass('vjs-ended');\n\n      if (this.player_.paused()) {\n        this.handlePause(event);\n      } else {\n        this.handlePlay(event);\n      }\n    }\n    /**\n     * Add the vjs-playing class to the element so it can change appearance.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#play\n     */\n    ;\n\n    _proto.handlePlay = function handlePlay(event) {\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-paused');\n      this.addClass('vjs-playing'); // change the button text to \"Pause\"\n\n      this.controlText('Pause');\n    }\n    /**\n     * Add the vjs-paused class to the element so it can change appearance.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#pause\n     */\n    ;\n\n    _proto.handlePause = function handlePause(event) {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-paused'); // change the button text to \"Play\"\n\n      this.controlText('Play');\n    }\n    /**\n     * Add the vjs-ended class to the element so it can change appearance\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#ended\n     */\n    ;\n\n    _proto.handleEnded = function handleEnded(event) {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-ended'); // change the button text to \"Replay\"\n\n      this.controlText('Replay'); // on the next seek remove the replay button\n\n      this.one(this.player_, 'seeked', this.handleSeeked);\n    };\n\n    return PlayToggle;\n  }(Button);\n  /**\n   * The text that should display over the `PlayToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlayToggle.prototype.controlText_ = 'Play';\n  Component.registerComponent('PlayToggle', PlayToggle);\n\n  /**\n   * @file format-time.js\n   * @module format-time\n   */\n\n  /**\n   * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in\n   * seconds) will force a number of leading zeros to cover the length of the\n   * guide.\n   *\n   * @private\n   * @param  {number} seconds\n   *         Number of seconds to be turned into a string\n   *\n   * @param  {number} guide\n   *         Number (in seconds) to model the string after\n   *\n   * @return {string}\n   *         Time formatted as H:MM:SS or M:SS\n   */\n  var defaultImplementation = function defaultImplementation(seconds, guide) {\n    seconds = seconds < 0 ? 0 : seconds;\n    var s = Math.floor(seconds % 60);\n    var m = Math.floor(seconds / 60 % 60);\n    var h = Math.floor(seconds / 3600);\n    var gm = Math.floor(guide / 60 % 60);\n    var gh = Math.floor(guide / 3600); // handle invalid times\n\n    if (isNaN(seconds) || seconds === Infinity) {\n      // '-' is false for all relational operators (e.g. <, >=) so this setting\n      // will add the minimum number of fields specified by the guide\n      h = m = s = '-';\n    } // Check if we need to show hours\n\n\n    h = h > 0 || gh > 0 ? h + ':' : ''; // If hours are showing, we may need to add a leading zero.\n    // Always show at least one digit of minutes.\n\n    m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':'; // Check if leading zero is need for seconds\n\n    s = s < 10 ? '0' + s : s;\n    return h + m + s;\n  }; // Internal pointer to the current implementation.\n\n\n  var implementation = defaultImplementation;\n  /**\n   * Replaces the default formatTime implementation with a custom implementation.\n   *\n   * @param {Function} customImplementation\n   *        A function which will be used in place of the default formatTime\n   *        implementation. Will receive the current time in seconds and the\n   *        guide (in seconds) as arguments.\n   */\n\n  function setFormatTime(customImplementation) {\n    implementation = customImplementation;\n  }\n  /**\n   * Resets formatTime to the default implementation.\n   */\n\n  function resetFormatTime() {\n    implementation = defaultImplementation;\n  }\n  /**\n   * Delegates to either the default time formatting function or a custom\n   * function supplied via `setFormatTime`.\n   *\n   * Formats seconds as a time string (H:MM:SS or M:SS). Supplying a\n   * guide (in seconds) will force a number of leading zeros to cover the\n   * length of the guide.\n   *\n   * @static\n   * @example  formatTime(125, 600) === \"02:05\"\n   * @param    {number} seconds\n   *           Number of seconds to be turned into a string\n   *\n   * @param    {number} guide\n   *           Number (in seconds) to model the string after\n   *\n   * @return   {string}\n   *           Time formatted as H:MM:SS or M:SS\n   */\n\n  function formatTime(seconds, guide) {\n    if (guide === void 0) {\n      guide = seconds;\n    }\n\n    return implementation(seconds, guide);\n  }\n\n  /**\n   * Displays time information about the video\n   *\n   * @extends Component\n   */\n\n  var TimeDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TimeDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.on(player, ['timeupdate', 'ended'], _this.updateContent);\n\n      _this.updateTextNode_();\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = TimeDisplay.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var className = this.buildCSSClass();\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: className + \" vjs-time-control vjs-control\",\n        innerHTML: \"<span class=\\\"vjs-control-text\\\" role=\\\"presentation\\\">\" + this.localize(this.labelText_) + \"\\xA0</span>\"\n      });\n\n      this.contentEl_ = createEl('span', {\n        className: className + \"-display\"\n      }, {\n        // tell screen readers not to automatically read the time as it changes\n        'aria-live': 'off',\n        // span elements have no implicit role, but some screen readers (notably VoiceOver)\n        // treat them as a break between items in the DOM when using arrow keys\n        // (or left-to-right swipes on iOS) to read contents of a page. Using\n        // role='presentation' causes VoiceOver to NOT treat this span as a break.\n        'role': 'presentation'\n      });\n      el.appendChild(this.contentEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.textNode_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Updates the time display text node with a new time\n     *\n     * @param {number} [time=0] the time to update to\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateTextNode_ = function updateTextNode_(time) {\n      var _this2 = this;\n\n      if (time === void 0) {\n        time = 0;\n      }\n\n      time = formatTime(time);\n\n      if (this.formattedTime_ === time) {\n        return;\n      }\n\n      this.formattedTime_ = time;\n      this.requestAnimationFrame(function () {\n        if (!_this2.contentEl_) {\n          return;\n        }\n\n        var oldNode = _this2.textNode_;\n        _this2.textNode_ = document.createTextNode(_this2.formattedTime_);\n\n        if (!_this2.textNode_) {\n          return;\n        }\n\n        if (oldNode) {\n          _this2.contentEl_.replaceChild(_this2.textNode_, oldNode);\n        } else {\n          _this2.contentEl_.appendChild(_this2.textNode_);\n        }\n      });\n    }\n    /**\n     * To be filled out in the child class, should update the displayed time\n     * in accordance with the fact that the current time has changed.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate`  event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {};\n\n    return TimeDisplay;\n  }(Component);\n  /**\n   * The text that is added to the `TimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  TimeDisplay.prototype.labelText_ = 'Time';\n  /**\n   * The text that should display over the `TimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  TimeDisplay.prototype.controlText_ = 'Time';\n  Component.registerComponent('TimeDisplay', TimeDisplay);\n\n  /**\n   * Displays the current time\n   *\n   * @extends Component\n   */\n\n  var CurrentTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(CurrentTimeDisplay, _TimeDisplay);\n\n    function CurrentTimeDisplay() {\n      return _TimeDisplay.apply(this, arguments) || this;\n    }\n\n    var _proto = CurrentTimeDisplay.prototype;\n\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-current-time';\n    }\n    /**\n     * Update current time display\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` event that caused this function to run.\n     *\n     * @listens Player#timeupdate\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      // Allows for smooth scrubbing, when player can't keep up.\n      var time;\n\n      if (this.player_.ended()) {\n        time = this.player_.duration();\n      } else {\n        time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n      }\n\n      this.updateTextNode_(time);\n    };\n\n    return CurrentTimeDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `CurrentTimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  CurrentTimeDisplay.prototype.labelText_ = 'Current Time';\n  /**\n   * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  CurrentTimeDisplay.prototype.controlText_ = 'Current Time';\n  Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);\n\n  /**\n   * Displays the duration\n   *\n   * @extends Component\n   */\n\n  var DurationDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(DurationDisplay, _TimeDisplay);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function DurationDisplay(player, options) {\n      var _this;\n\n      _this = _TimeDisplay.call(this, player, options) || this; // we do not want to/need to throttle duration changes,\n      // as they should always display the changed duration as\n      // it has changed\n\n      _this.on(player, 'durationchange', _this.updateContent); // Listen to loadstart because the player duration is reset when a new media element is loaded,\n      // but the durationchange on the user agent will not fire.\n      // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}\n\n\n      _this.on(player, 'loadstart', _this.updateContent); // Also listen for timeupdate (in the parent) and loadedmetadata because removing those\n      // listeners could have broken dependent applications/libraries. These\n      // can likely be removed for 7.0.\n\n\n      _this.on(player, 'loadedmetadata', _this.updateContent);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = DurationDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-duration';\n    }\n    /**\n     * Update duration time display.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused\n     *        this function to be called.\n     *\n     * @listens Player#durationchange\n     * @listens Player#timeupdate\n     * @listens Player#loadedmetadata\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      var duration = this.player_.duration();\n      this.updateTextNode_(duration);\n    };\n\n    return DurationDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `DurationDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  DurationDisplay.prototype.labelText_ = 'Duration';\n  /**\n   * The text that should display over the `DurationDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  DurationDisplay.prototype.controlText_ = 'Duration';\n  Component.registerComponent('DurationDisplay', DurationDisplay);\n\n  /**\n   * The separator between the current time and duration.\n   * Can be hidden if it's not needed in the design.\n   *\n   * @extends Component\n   */\n\n  var TimeDivider = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeDivider, _Component);\n\n    function TimeDivider() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = TimeDivider.prototype;\n\n    /**\n     * Create the component's DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-time-control vjs-time-divider',\n        innerHTML: '<div><span>/</span></div>'\n      }, {\n        // this element and its contents can be hidden from assistive techs since\n        // it is made extraneous by the announcement of the control text\n        // for the current time and duration displays\n        'aria-hidden': true\n      });\n    };\n\n    return TimeDivider;\n  }(Component);\n\n  Component.registerComponent('TimeDivider', TimeDivider);\n\n  /**\n   * Displays the time left in the video\n   *\n   * @extends Component\n   */\n\n  var RemainingTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(RemainingTimeDisplay, _TimeDisplay);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function RemainingTimeDisplay(player, options) {\n      var _this;\n\n      _this = _TimeDisplay.call(this, player, options) || this;\n\n      _this.on(player, 'durationchange', _this.updateContent);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = RemainingTimeDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-remaining-time';\n    }\n    /**\n     * Create the `Component`'s DOM element with the \"minus\" characted prepend to the time\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var el = _TimeDisplay.prototype.createEl.call(this);\n\n      el.insertBefore(createEl('span', {}, {\n        'aria-hidden': true\n      }, '-'), this.contentEl_);\n      return el;\n    }\n    /**\n     * Update remaining time display.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` or `durationchange` event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     * @listens Player#durationchange\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      if (typeof this.player_.duration() !== 'number') {\n        return;\n      }\n\n      var time; // @deprecated We should only use remainingTimeDisplay\n      // as of video.js 7\n\n      if (this.player_.ended()) {\n        time = 0;\n      } else if (this.player_.remainingTimeDisplay) {\n        time = this.player_.remainingTimeDisplay();\n      } else {\n        time = this.player_.remainingTime();\n      }\n\n      this.updateTextNode_(time);\n    };\n\n    return RemainingTimeDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `RemainingTimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time';\n  /**\n   * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';\n  Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);\n\n  /**\n   * Displays the live indicator when duration is Infinity.\n   *\n   * @extends Component\n   */\n\n  var LiveDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LiveDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function LiveDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.updateShowing();\n\n      _this.on(_this.player(), 'durationchange', _this.updateShowing);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = LiveDisplay.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-live-control vjs-control'\n      });\n\n      this.contentEl_ = createEl('div', {\n        className: 'vjs-live-display',\n        innerHTML: \"<span class=\\\"vjs-control-text\\\">\" + this.localize('Stream Type') + \"\\xA0</span>\" + this.localize('LIVE')\n      }, {\n        'aria-live': 'off'\n      });\n      el.appendChild(this.contentEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide\n     * it accordingly\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#durationchange} event that caused this function to run.\n     *\n     * @listens Player#durationchange\n     */\n    ;\n\n    _proto.updateShowing = function updateShowing(event) {\n      if (this.player().duration() === Infinity) {\n        this.show();\n      } else {\n        this.hide();\n      }\n    };\n\n    return LiveDisplay;\n  }(Component);\n\n  Component.registerComponent('LiveDisplay', LiveDisplay);\n\n  /**\n   * Displays the live indicator when duration is Infinity.\n   *\n   * @extends Component\n   */\n\n  var SeekToLive = /*#__PURE__*/function (_Button) {\n    inheritsLoose(SeekToLive, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function SeekToLive(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.updateLiveEdgeStatus();\n\n      if (_this.player_.liveTracker) {\n        _this.on(_this.player_.liveTracker, 'liveedgechange', _this.updateLiveEdgeStatus);\n      }\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = SeekToLive.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Button.prototype.createEl.call(this, 'button', {\n        className: 'vjs-seek-to-live-control vjs-control'\n      });\n\n      this.textEl_ = createEl('span', {\n        className: 'vjs-seek-to-live-text',\n        innerHTML: this.localize('LIVE')\n      }, {\n        'aria-hidden': 'true'\n      });\n      el.appendChild(this.textEl_);\n      return el;\n    }\n    /**\n     * Update the state of this button if we are at the live edge\n     * or not\n     */\n    ;\n\n    _proto.updateLiveEdgeStatus = function updateLiveEdgeStatus(e) {\n      // default to live edge\n      if (!this.player_.liveTracker || this.player_.liveTracker.atLiveEdge()) {\n        this.setAttribute('aria-disabled', true);\n        this.addClass('vjs-at-live-edge');\n        this.controlText('Seek to live, currently playing live');\n      } else {\n        this.setAttribute('aria-disabled', false);\n        this.removeClass('vjs-at-live-edge');\n        this.controlText('Seek to live, currently behind live');\n      }\n    }\n    /**\n     * On click bring us as near to the live point as possible.\n     * This requires that we wait for the next `live-seekable-change`\n     * event which will happen every segment length seconds.\n     */\n    ;\n\n    _proto.handleClick = function handleClick() {\n      this.player_.liveTracker.seekToLiveEdge();\n    }\n    /**\n     * Dispose of the element and stop tracking\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      if (this.player_.liveTracker) {\n        this.off(this.player_.liveTracker, 'liveedgechange', this.updateLiveEdgeStatus);\n      }\n\n      this.textEl_ = null;\n\n      _Button.prototype.dispose.call(this);\n    };\n\n    return SeekToLive;\n  }(Button);\n\n  SeekToLive.prototype.controlText_ = 'Seek to live, currently playing live';\n  Component.registerComponent('SeekToLive', SeekToLive);\n\n  /**\n   * Keep a number between a min and a max value\n   *\n   * @param {number} number\n   *        The number to clamp\n   *\n   * @param {number} min\n   *        The minimum value\n   * @param {number} max\n   *        The maximum value\n   *\n   * @return {number}\n   *         the clamped number\n   */\n  var clamp = function clamp(number, min, max) {\n    number = Number(number);\n    return Math.min(max, Math.max(min, isNaN(number) ? min : number));\n  };\n\n  /**\n   * The base functionality for a slider. Can be vertical or horizontal.\n   * For instance the volume bar or the seek bar on a video is a slider.\n   *\n   * @extends Component\n   */\n\n  var Slider = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Slider, _Component);\n\n    /**\n    * Create an instance of this class\n    *\n    * @param {Player} player\n    *        The `Player` that this class should be attached to.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    */\n    function Slider(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this; // Set property names to bar to match with the child Slider class is looking for\n\n      _this.bar = _this.getChild(_this.options_.barName); // Set a horizontal or vertical class on the slider depending on the slider type\n\n      _this.vertical(!!_this.options_.vertical);\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Are controls are currently enabled for this slider or not.\n     *\n     * @return {boolean}\n     *         true if controls are enabled, false otherwise\n     */\n\n\n    var _proto = Slider.prototype;\n\n    _proto.enabled = function enabled() {\n      return this.enabled_;\n    }\n    /**\n     * Enable controls for this slider if they are disabled\n     */\n    ;\n\n    _proto.enable = function enable() {\n      if (this.enabled()) {\n        return;\n      }\n\n      this.on('mousedown', this.handleMouseDown);\n      this.on('touchstart', this.handleMouseDown);\n      this.on('keydown', this.handleKeyDown);\n      this.on('click', this.handleClick); // TODO: deprecated, controlsvisible does not seem to be fired\n\n      this.on(this.player_, 'controlsvisible', this.update);\n\n      if (this.playerEvent) {\n        this.on(this.player_, this.playerEvent, this.update);\n      }\n\n      this.removeClass('disabled');\n      this.setAttribute('tabindex', 0);\n      this.enabled_ = true;\n    }\n    /**\n     * Disable controls for this slider if they are enabled\n     */\n    ;\n\n    _proto.disable = function disable() {\n      if (!this.enabled()) {\n        return;\n      }\n\n      var doc = this.bar.el_.ownerDocument;\n      this.off('mousedown', this.handleMouseDown);\n      this.off('touchstart', this.handleMouseDown);\n      this.off('keydown', this.handleKeyDown);\n      this.off('click', this.handleClick);\n      this.off(this.player_, 'controlsvisible', this.update);\n      this.off(doc, 'mousemove', this.handleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchmove', this.handleMouseMove);\n      this.off(doc, 'touchend', this.handleMouseUp);\n      this.removeAttribute('tabindex');\n      this.addClass('disabled');\n\n      if (this.playerEvent) {\n        this.off(this.player_, this.playerEvent, this.update);\n      }\n\n      this.enabled_ = false;\n    }\n    /**\n     * Create the `Slider`s DOM element.\n     *\n     * @param {string} type\n     *        Type of element to create.\n     *\n     * @param {Object} [props={}]\n     *        List of properties in Object form.\n     *\n     * @param {Object} [attributes={}]\n     *        list of attributes in Object form.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl(type, props, attributes) {\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      // Add the slider element class to all sub classes\n      props.className = props.className + ' vjs-slider';\n      props = assign({\n        tabIndex: 0\n      }, props);\n      attributes = assign({\n        'role': 'slider',\n        'aria-valuenow': 0,\n        'aria-valuemin': 0,\n        'aria-valuemax': 100,\n        'tabIndex': 0\n      }, attributes);\n      return _Component.prototype.createEl.call(this, type, props, attributes);\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `Slider`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     * @fires Slider#slideractive\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.bar.el_.ownerDocument;\n\n      if (event.type === 'mousedown') {\n        event.preventDefault();\n      } // Do not call preventDefault() on touchstart in Chrome\n      // to avoid console warnings. Use a 'touch-action: none' style\n      // instead to prevent unintented scrolling.\n      // https://developers.google.com/web/updates/2017/01/scrolling-intervention\n\n\n      if (event.type === 'touchstart' && !IS_CHROME) {\n        event.preventDefault();\n      }\n\n      blockTextSelection();\n      this.addClass('vjs-sliding');\n      /**\n       * Triggered when the slider is in an active state\n       *\n       * @event Slider#slideractive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('slideractive');\n      this.on(doc, 'mousemove', this.handleMouseMove);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchmove', this.handleMouseMove);\n      this.on(doc, 'touchend', this.handleMouseUp);\n      this.handleMouseMove(event);\n    }\n    /**\n     * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.\n     * The `mousemove` and `touchmove` events will only only trigger this function during\n     * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and\n     * {@link Slider#handleMouseUp}.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered\n     *        this function\n     *\n     * @listens mousemove\n     * @listens touchmove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {}\n    /**\n     * Handle `mouseup` or `touchend` events on the `Slider`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     * @fires Slider#sliderinactive\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp() {\n      var doc = this.bar.el_.ownerDocument;\n      unblockTextSelection();\n      this.removeClass('vjs-sliding');\n      /**\n       * Triggered when the slider is no longer in an active state.\n       *\n       * @event Slider#sliderinactive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('sliderinactive');\n      this.off(doc, 'mousemove', this.handleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchmove', this.handleMouseMove);\n      this.off(doc, 'touchend', this.handleMouseUp);\n      this.update();\n    }\n    /**\n     * Update the progress bar of the `Slider`.\n     *\n     * @return {number}\n     *          The percentage of progress the progress bar represents as a\n     *          number from 0 to 1.\n     */\n    ;\n\n    _proto.update = function update() {\n      var _this2 = this;\n\n      // In VolumeBar init we have a setTimeout for update that pops and update\n      // to the end of the execution stack. The player is destroyed before then\n      // update will cause an error\n      // If there's no bar...\n      if (!this.el_ || !this.bar) {\n        return;\n      } // clamp progress between 0 and 1\n      // and only round to four decimal places, as we round to two below\n\n\n      var progress = this.getProgress();\n\n      if (progress === this.progress_) {\n        return progress;\n      }\n\n      this.progress_ = progress;\n      this.requestAnimationFrame(function () {\n        // Set the new bar width or height\n        var sizeKey = _this2.vertical() ? 'height' : 'width'; // Convert to a percentage for css value\n\n        _this2.bar.el().style[sizeKey] = (progress * 100).toFixed(2) + '%';\n      });\n      return progress;\n    }\n    /**\n     * Get the percentage of the bar that should be filled\n     * but clamped and rounded.\n     *\n     * @return {number}\n     *         percentage filled that the slider is\n     */\n    ;\n\n    _proto.getProgress = function getProgress() {\n      return Number(clamp(this.getPercent(), 0, 1).toFixed(4));\n    }\n    /**\n     * Calculate distance for slider\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run.\n     *\n     * @return {number}\n     *         The current position of the Slider.\n     *         - position.x for vertical `Slider`s\n     *         - position.y for horizontal `Slider`s\n     */\n    ;\n\n    _proto.calculateDistance = function calculateDistance(event) {\n      var position = getPointerPosition(this.el_, event);\n\n      if (this.vertical()) {\n        return position.y;\n      }\n\n      return position.x;\n    }\n    /**\n     * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down\n     * arrow keys. This function will only be called when the slider has focus. See\n     * {@link Slider#handleFocus} and {@link Slider#handleBlur}.\n     *\n     * @param {EventTarget~Event} event\n     *        the `keydown` event that caused this function to run.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Left and Down Arrows\n      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepBack(); // Up and Right Arrows\n      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepForward();\n      } else {\n        // Pass keydown handling up for unsupported keys\n        _Component.prototype.handleKeyDown.call(this, event);\n      }\n    }\n    /**\n     * Listener for click events on slider, used to prevent clicks\n     *   from bubbling up to parent elements like button menus.\n     *\n     * @param {Object} event\n     *        Event that caused this object to run\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      event.stopPropagation();\n      event.preventDefault();\n    }\n    /**\n     * Get/set if slider is horizontal for vertical\n     *\n     * @param {boolean} [bool]\n     *        - true if slider is vertical,\n     *        - false is horizontal\n     *\n     * @return {boolean}\n     *         - true if slider is vertical, and getting\n     *         - false if the slider is horizontal, and getting\n     */\n    ;\n\n    _proto.vertical = function vertical(bool) {\n      if (bool === undefined) {\n        return this.vertical_ || false;\n      }\n\n      this.vertical_ = !!bool;\n\n      if (this.vertical_) {\n        this.addClass('vjs-slider-vertical');\n      } else {\n        this.addClass('vjs-slider-horizontal');\n      }\n    };\n\n    return Slider;\n  }(Component);\n\n  Component.registerComponent('Slider', Slider);\n\n  var percentify = function percentify(time, end) {\n    return clamp(time / end * 100, 0, 100).toFixed(2) + '%';\n  };\n  /**\n   * Shows loading progress\n   *\n   * @extends Component\n   */\n\n\n  var LoadProgressBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LoadProgressBar, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function LoadProgressBar(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.partEls_ = [];\n\n      _this.on(player, 'progress', _this.update);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = LoadProgressBar.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-load-progress'\n      });\n\n      var wrapper = createEl('span', {\n        className: 'vjs-control-text'\n      });\n      var loadedText = createEl('span', {\n        textContent: this.localize('Loaded')\n      });\n      var separator = document.createTextNode(': ');\n      this.percentageEl_ = createEl('span', {\n        className: 'vjs-control-text-loaded-percentage',\n        textContent: '0%'\n      });\n      el.appendChild(wrapper);\n      wrapper.appendChild(loadedText);\n      wrapper.appendChild(separator);\n      wrapper.appendChild(this.percentageEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.partEls_ = null;\n      this.percentageEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Update progress bar\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `progress` event that caused this function to run.\n     *\n     * @listens Player#progress\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var _this2 = this;\n\n      this.requestAnimationFrame(function () {\n        var liveTracker = _this2.player_.liveTracker;\n\n        var buffered = _this2.player_.buffered();\n\n        var duration = liveTracker && liveTracker.isLive() ? liveTracker.seekableEnd() : _this2.player_.duration();\n\n        var bufferedEnd = _this2.player_.bufferedEnd();\n\n        var children = _this2.partEls_;\n        var percent = percentify(bufferedEnd, duration);\n\n        if (_this2.percent_ !== percent) {\n          // update the width of the progress bar\n          _this2.el_.style.width = percent; // update the control-text\n\n          textContent(_this2.percentageEl_, percent);\n          _this2.percent_ = percent;\n        } // add child elements to represent the individual buffered time ranges\n\n\n        for (var i = 0; i < buffered.length; i++) {\n          var start = buffered.start(i);\n          var end = buffered.end(i);\n          var part = children[i];\n\n          if (!part) {\n            part = _this2.el_.appendChild(createEl());\n            children[i] = part;\n          } //  only update if changed\n\n\n          if (part.dataset.start === start && part.dataset.end === end) {\n            continue;\n          }\n\n          part.dataset.start = start;\n          part.dataset.end = end; // set the percent based on the width of the progress bar (bufferedEnd)\n\n          part.style.left = percentify(start, bufferedEnd);\n          part.style.width = percentify(end - start, bufferedEnd);\n        } // remove unused buffered range elements\n\n\n        for (var _i = children.length; _i > buffered.length; _i--) {\n          _this2.el_.removeChild(children[_i - 1]);\n        }\n\n        children.length = buffered.length;\n      });\n    };\n\n    return LoadProgressBar;\n  }(Component);\n\n  Component.registerComponent('LoadProgressBar', LoadProgressBar);\n\n  /**\n   * Time tooltips display a time above the progress bar.\n   *\n   * @extends Component\n   */\n\n  var TimeTooltip = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeTooltip, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TimeTooltip(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the time tooltip DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = TimeTooltip.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-time-tooltip'\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Updates the position of the time tooltip relative to the `SeekBar`.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint, content) {\n      var tooltipRect = getBoundingClientRect(this.el_);\n      var playerRect = getBoundingClientRect(this.player_.el());\n      var seekBarPointPx = seekBarRect.width * seekBarPoint; // do nothing if either rect isn't available\n      // for example, if the player isn't in the DOM for testing\n\n      if (!playerRect || !tooltipRect) {\n        return;\n      } // This is the space left of the `seekBarPoint` available within the bounds\n      // of the player. We calculate any gap between the left edge of the player\n      // and the left edge of the `SeekBar` and add the number of pixels in the\n      // `SeekBar` before hitting the `seekBarPoint`\n\n\n      var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx; // This is the space right of the `seekBarPoint` available within the bounds\n      // of the player. We calculate the number of pixels from the `seekBarPoint`\n      // to the right edge of the `SeekBar` and add to that any gap between the\n      // right edge of the `SeekBar` and the player.\n\n      var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right); // This is the number of pixels by which the tooltip will need to be pulled\n      // further to the right to center it over the `seekBarPoint`.\n\n      var pullTooltipBy = tooltipRect.width / 2; // Adjust the `pullTooltipBy` distance to the left or right depending on\n      // the results of the space calculations above.\n\n      if (spaceLeftOfPoint < pullTooltipBy) {\n        pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;\n      } else if (spaceRightOfPoint < pullTooltipBy) {\n        pullTooltipBy = spaceRightOfPoint;\n      } // Due to the imprecision of decimal/ratio based calculations and varying\n      // rounding behaviors, there are cases where the spacing adjustment is off\n      // by a pixel or two. This adds insurance to these calculations.\n\n\n      if (pullTooltipBy < 0) {\n        pullTooltipBy = 0;\n      } else if (pullTooltipBy > tooltipRect.width) {\n        pullTooltipBy = tooltipRect.width;\n      }\n\n      this.el_.style.right = \"-\" + pullTooltipBy + \"px\";\n      this.write(content);\n    }\n    /**\n     * Write the time to the tooltip DOM element.\n     *\n     * @param {string} content\n     *        The formatted time for the tooltip.\n     */\n    ;\n\n    _proto.write = function write(content) {\n      textContent(this.el_, content);\n    }\n    /**\n     * Updates the position of the time tooltip relative to the `SeekBar`.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     *\n     * @param {number} time\n     *        The time to update the tooltip to, not used during live playback\n     *\n     * @param {Function} cb\n     *        A function that will be called during the request animation frame\n     *        for tooltips that need to do additional animations from the default\n     */\n    ;\n\n    _proto.updateTime = function updateTime(seekBarRect, seekBarPoint, time, cb) {\n      var _this2 = this;\n\n      // If there is an existing rAF ID, cancel it so we don't over-queue.\n      if (this.rafId_) {\n        this.cancelAnimationFrame(this.rafId_);\n      }\n\n      this.rafId_ = this.requestAnimationFrame(function () {\n        var content;\n\n        var duration = _this2.player_.duration();\n\n        if (_this2.player_.liveTracker && _this2.player_.liveTracker.isLive()) {\n          var liveWindow = _this2.player_.liveTracker.liveWindow();\n\n          var secondsBehind = liveWindow - seekBarPoint * liveWindow;\n          content = (secondsBehind < 1 ? '' : '-') + formatTime(secondsBehind, liveWindow);\n        } else {\n          content = formatTime(time, duration);\n        }\n\n        _this2.update(seekBarRect, seekBarPoint, content);\n\n        if (cb) {\n          cb();\n        }\n      });\n    };\n\n    return TimeTooltip;\n  }(Component);\n\n  Component.registerComponent('TimeTooltip', TimeTooltip);\n\n  /**\n   * Used by {@link SeekBar} to display media playback progress as part of the\n   * {@link ProgressControl}.\n   *\n   * @extends Component\n   */\n\n  var PlayProgressBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(PlayProgressBar, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlayProgressBar(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the the DOM element for this class.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = PlayProgressBar.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-play-progress vjs-slider-bar'\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Enqueues updates to its own DOM as well as the DOM of its\n     * {@link TimeTooltip} child.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint) {\n      var timeTooltip = this.getChild('timeTooltip');\n\n      if (!timeTooltip) {\n        return;\n      }\n\n      var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n      timeTooltip.updateTime(seekBarRect, seekBarPoint, time);\n    };\n\n    return PlayProgressBar;\n  }(Component);\n  /**\n   * Default options for {@link PlayProgressBar}.\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  PlayProgressBar.prototype.options_ = {\n    children: []\n  }; // Time tooltips should not be added to a player on mobile devices\n\n  if (!IS_IOS && !IS_ANDROID) {\n    PlayProgressBar.prototype.options_.children.push('timeTooltip');\n  }\n\n  Component.registerComponent('PlayProgressBar', PlayProgressBar);\n\n  /**\n   * The {@link MouseTimeDisplay} component tracks mouse movement over the\n   * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}\n   * indicating the time which is represented by a given point in the\n   * {@link ProgressControl}.\n   *\n   * @extends Component\n   */\n\n  var MouseTimeDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MouseTimeDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function MouseTimeDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the DOM element for this class.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = MouseTimeDisplay.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-mouse-display'\n      });\n    }\n    /**\n     * Enqueues updates to its own DOM as well as the DOM of its\n     * {@link TimeTooltip} child.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint) {\n      var _this2 = this;\n\n      var time = seekBarPoint * this.player_.duration();\n      this.getChild('timeTooltip').updateTime(seekBarRect, seekBarPoint, time, function () {\n        _this2.el_.style.left = seekBarRect.width * seekBarPoint + \"px\";\n      });\n    };\n\n    return MouseTimeDisplay;\n  }(Component);\n  /**\n   * Default options for `MouseTimeDisplay`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  MouseTimeDisplay.prototype.options_ = {\n    children: ['timeTooltip']\n  };\n  Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);\n\n  var STEP_SECONDS = 5; // The multiplier of STEP_SECONDS that PgUp/PgDown move the timeline.\n\n  var PAGE_KEY_MULTIPLIER = 12;\n  /**\n   * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}\n   * as its `bar`.\n   *\n   * @extends Slider\n   */\n\n  var SeekBar = /*#__PURE__*/function (_Slider) {\n    inheritsLoose(SeekBar, _Slider);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function SeekBar(player, options) {\n      var _this;\n\n      _this = _Slider.call(this, player, options) || this;\n\n      _this.setEventHandlers_();\n\n      return _this;\n    }\n    /**\n     * Sets the event handlers\n     *\n     * @private\n     */\n\n\n    var _proto = SeekBar.prototype;\n\n    _proto.setEventHandlers_ = function setEventHandlers_() {\n      this.update_ = bind(this, this.update);\n      this.update = throttle(this.update_, UPDATE_REFRESH_INTERVAL);\n      this.on(this.player_, ['ended', 'durationchange', 'timeupdate'], this.update);\n\n      if (this.player_.liveTracker) {\n        this.on(this.player_.liveTracker, 'liveedgechange', this.update);\n      } // when playing, let's ensure we smoothly update the play progress bar\n      // via an interval\n\n\n      this.updateInterval = null;\n      this.on(this.player_, ['playing'], this.enableInterval_);\n      this.on(this.player_, ['ended', 'pause', 'waiting'], this.disableInterval_); // we don't need to update the play progress if the document is hidden,\n      // also, this causes the CPU to spike and eventually crash the page on IE11.\n\n      if ('hidden' in document && 'visibilityState' in document) {\n        this.on(document, 'visibilitychange', this.toggleVisibility_);\n      }\n    };\n\n    _proto.toggleVisibility_ = function toggleVisibility_(e) {\n      if (document.hidden) {\n        this.disableInterval_(e);\n      } else {\n        this.enableInterval_(); // we just switched back to the page and someone may be looking, so, update ASAP\n\n        this.update();\n      }\n    };\n\n    _proto.enableInterval_ = function enableInterval_() {\n      if (this.updateInterval) {\n        return;\n      }\n\n      this.updateInterval = this.setInterval(this.update, UPDATE_REFRESH_INTERVAL);\n    };\n\n    _proto.disableInterval_ = function disableInterval_(e) {\n      if (this.player_.liveTracker && this.player_.liveTracker.isLive() && e.type !== 'ended') {\n        return;\n      }\n\n      if (!this.updateInterval) {\n        return;\n      }\n\n      this.clearInterval(this.updateInterval);\n      this.updateInterval = null;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Slider.prototype.createEl.call(this, 'div', {\n        className: 'vjs-progress-holder'\n      }, {\n        'aria-label': this.localize('Progress Bar')\n      });\n    }\n    /**\n     * This function updates the play progress bar and accessibility\n     * attributes to whatever is passed in.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` or `ended` event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     *\n     * @return {number}\n     *          The current percent at a number from 0-1\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var _this2 = this;\n\n      var percent = _Slider.prototype.update.call(this);\n\n      this.requestAnimationFrame(function () {\n        var currentTime = _this2.player_.ended() ? _this2.player_.duration() : _this2.getCurrentTime_();\n        var liveTracker = _this2.player_.liveTracker;\n\n        var duration = _this2.player_.duration();\n\n        if (liveTracker && liveTracker.isLive()) {\n          duration = _this2.player_.liveTracker.liveCurrentTime();\n        }\n\n        if (_this2.percent_ !== percent) {\n          // machine readable value of progress bar (percentage complete)\n          _this2.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));\n\n          _this2.percent_ = percent;\n        }\n\n        if (_this2.currentTime_ !== currentTime || _this2.duration_ !== duration) {\n          // human readable value of progress bar (time complete)\n          _this2.el_.setAttribute('aria-valuetext', _this2.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));\n\n          _this2.currentTime_ = currentTime;\n          _this2.duration_ = duration;\n        } // update the progress bar time tooltip with the current time\n\n\n        if (_this2.bar) {\n          _this2.bar.update(getBoundingClientRect(_this2.el()), _this2.getProgress());\n        }\n      });\n      return percent;\n    }\n    /**\n     * Get the value of current time but allows for smooth scrubbing,\n     * when player can't keep up.\n     *\n     * @return {number}\n     *         The current time value to display\n     *\n     * @private\n     */\n    ;\n\n    _proto.getCurrentTime_ = function getCurrentTime_() {\n      return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n    }\n    /**\n     * Get the percentage of media played so far.\n     *\n     * @return {number}\n     *         The percentage of media played so far (0 to 1).\n     */\n    ;\n\n    _proto.getPercent = function getPercent() {\n      var currentTime = this.getCurrentTime_();\n      var percent;\n      var liveTracker = this.player_.liveTracker;\n\n      if (liveTracker && liveTracker.isLive()) {\n        percent = (currentTime - liveTracker.seekableStart()) / liveTracker.liveWindow(); // prevent the percent from changing at the live edge\n\n        if (liveTracker.atLiveEdge()) {\n          percent = 1;\n        }\n      } else {\n        percent = currentTime / this.player_.duration();\n      }\n\n      return percent;\n    }\n    /**\n     * Handle mouse down on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousedown` event that caused this to run.\n     *\n     * @listens mousedown\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      } // Stop event propagation to prevent double fire in progress-control.js\n\n\n      event.stopPropagation();\n      this.player_.scrubbing(true);\n      this.videoWasPlaying = !this.player_.paused();\n      this.player_.pause();\n\n      _Slider.prototype.handleMouseDown.call(this, event);\n    }\n    /**\n     * Handle mouse move on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this to run.\n     *\n     * @listens mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      var newTime;\n      var distance = this.calculateDistance(event);\n      var liveTracker = this.player_.liveTracker;\n\n      if (!liveTracker || !liveTracker.isLive()) {\n        newTime = distance * this.player_.duration(); // Don't let video end while scrubbing.\n\n        if (newTime === this.player_.duration()) {\n          newTime = newTime - 0.1;\n        }\n      } else {\n        var seekableStart = liveTracker.seekableStart();\n        var seekableEnd = liveTracker.liveCurrentTime();\n        newTime = seekableStart + distance * liveTracker.liveWindow(); // Don't let video end while scrubbing.\n\n        if (newTime >= seekableEnd) {\n          newTime = seekableEnd;\n        } // Compensate for precision differences so that currentTime is not less\n        // than seekable start\n\n\n        if (newTime <= seekableStart) {\n          newTime = seekableStart + 0.1;\n        } // On android seekableEnd can be Infinity sometimes,\n        // this will cause newTime to be Infinity, which is\n        // not a valid currentTime.\n\n\n        if (newTime === Infinity) {\n          return;\n        }\n      } // Set new time (tell player to seek to new time)\n\n\n      this.player_.currentTime(newTime);\n    };\n\n    _proto.enable = function enable() {\n      _Slider.prototype.enable.call(this);\n\n      var mouseTimeDisplay = this.getChild('mouseTimeDisplay');\n\n      if (!mouseTimeDisplay) {\n        return;\n      }\n\n      mouseTimeDisplay.show();\n    };\n\n    _proto.disable = function disable() {\n      _Slider.prototype.disable.call(this);\n\n      var mouseTimeDisplay = this.getChild('mouseTimeDisplay');\n\n      if (!mouseTimeDisplay) {\n        return;\n      }\n\n      mouseTimeDisplay.hide();\n    }\n    /**\n     * Handle mouse up on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseup` event that caused this to run.\n     *\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      _Slider.prototype.handleMouseUp.call(this, event); // Stop event propagation to prevent double fire in progress-control.js\n\n\n      if (event) {\n        event.stopPropagation();\n      }\n\n      this.player_.scrubbing(false);\n      /**\n       * Trigger timeupdate because we're done seeking and the time has changed.\n       * This is particularly useful for if the player is paused to time the time displays.\n       *\n       * @event Tech#timeupdate\n       * @type {EventTarget~Event}\n       */\n\n      this.player_.trigger({\n        type: 'timeupdate',\n        target: this,\n        manuallyTriggered: true\n      });\n\n      if (this.videoWasPlaying) {\n        silencePromise(this.player_.play());\n      } else {\n        // We're done seeking and the time has changed.\n        // If the player is paused, make sure we display the correct time on the seek bar.\n        this.update_();\n      }\n    }\n    /**\n     * Move more quickly fast forward for keyboard-only users\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);\n    }\n    /**\n     * Move more quickly rewind for keyboard-only users\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);\n    }\n    /**\n     * Toggles the playback state of the player\n     * This gets called when enter or space is used on the seekbar\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called\n     *\n     */\n    ;\n\n    _proto.handleAction = function handleAction(event) {\n      if (this.player_.paused()) {\n        this.player_.play();\n      } else {\n        this.player_.pause();\n      }\n    }\n    /**\n     * Called when this SeekBar has focus and a key gets pressed down.\n     * Supports the following keys:\n     *\n     *   Space or Enter key fire a click event\n     *   Home key moves to start of the timeline\n     *   End key moves to end of the timeline\n     *   Digit \"0\" through \"9\" keys move to 0%, 10% ... 80%, 90% of the timeline\n     *   PageDown key moves back a larger step than ArrowDown\n     *   PageUp key moves forward a large step\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.handleAction(event);\n      } else if (keycode.isEventKey(event, 'Home')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(0);\n      } else if (keycode.isEventKey(event, 'End')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.duration());\n      } else if (/^[0-9]$/.test(keycode(event))) {\n        event.preventDefault();\n        event.stopPropagation();\n        var gotoFraction = (keycode.codes[keycode(event)] - keycode.codes['0']) * 10.0 / 100.0;\n        this.player_.currentTime(this.player_.duration() * gotoFraction);\n      } else if (keycode.isEventKey(event, 'PgDn')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS * PAGE_KEY_MULTIPLIER);\n      } else if (keycode.isEventKey(event, 'PgUp')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS * PAGE_KEY_MULTIPLIER);\n      } else {\n        // Pass keydown handling up for unsupported keys\n        _Slider.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return SeekBar;\n  }(Slider);\n  /**\n   * Default options for the `SeekBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  SeekBar.prototype.options_ = {\n    children: ['loadProgressBar', 'playProgressBar'],\n    barName: 'playProgressBar'\n  }; // MouseTimeDisplay tooltips should not be added to a player on mobile devices\n\n  if (!IS_IOS && !IS_ANDROID) {\n    SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');\n  }\n\n  Component.registerComponent('SeekBar', SeekBar);\n\n  /**\n   * The Progress Control component contains the seek bar, load progress,\n   * and play progress.\n   *\n   * @extends Component\n   */\n\n  var ProgressControl = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ProgressControl, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function ProgressControl(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.handleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);\n      _this.throttledHandleMouseSeek = throttle(bind(assertThisInitialized(_this), _this.handleMouseSeek), UPDATE_REFRESH_INTERVAL);\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = ProgressControl.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-progress-control vjs-control'\n      });\n    }\n    /**\n     * When the mouse moves over the `ProgressControl`, the pointer position\n     * gets passed down to the `MouseTimeDisplay` component.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this function to run.\n     *\n     * @listen mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      var seekBar = this.getChild('seekBar');\n\n      if (!seekBar) {\n        return;\n      }\n\n      var playProgressBar = seekBar.getChild('playProgressBar');\n      var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');\n\n      if (!playProgressBar && !mouseTimeDisplay) {\n        return;\n      }\n\n      var seekBarEl = seekBar.el();\n      var seekBarRect = getBoundingClientRect(seekBarEl);\n      var seekBarPoint = getPointerPosition(seekBarEl, event).x; // The default skin has a gap on either side of the `SeekBar`. This means\n      // that it's possible to trigger this behavior outside the boundaries of\n      // the `SeekBar`. This ensures we stay within it at all times.\n\n      seekBarPoint = clamp(0, 1, seekBarPoint);\n\n      if (mouseTimeDisplay) {\n        mouseTimeDisplay.update(seekBarRect, seekBarPoint);\n      }\n\n      if (playProgressBar) {\n        playProgressBar.update(seekBarRect, seekBar.getProgress());\n      }\n    }\n    /**\n     * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.\n     *\n     * @method ProgressControl#throttledHandleMouseSeek\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this function to run.\n     *\n     * @listen mousemove\n     * @listen touchmove\n     */\n\n    /**\n     * Handle `mousemove` or `touchmove` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousemove\n     * @listens touchmove\n     */\n    ;\n\n    _proto.handleMouseSeek = function handleMouseSeek(event) {\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseMove(event);\n      }\n    }\n    /**\n     * Are controls are currently enabled for this progress control.\n     *\n     * @return {boolean}\n     *         true if controls are enabled, false otherwise\n     */\n    ;\n\n    _proto.enabled = function enabled() {\n      return this.enabled_;\n    }\n    /**\n     * Disable all controls on the progress control and its children\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.children().forEach(function (child) {\n        return child.disable && child.disable();\n      });\n\n      if (!this.enabled()) {\n        return;\n      }\n\n      this.off(['mousedown', 'touchstart'], this.handleMouseDown);\n      this.off(this.el_, 'mousemove', this.handleMouseMove);\n      this.handleMouseUp();\n      this.addClass('disabled');\n      this.enabled_ = false;\n    }\n    /**\n     * Enable all controls on the progress control and its children\n     */\n    ;\n\n    _proto.enable = function enable() {\n      this.children().forEach(function (child) {\n        return child.enable && child.enable();\n      });\n\n      if (this.enabled()) {\n        return;\n      }\n\n      this.on(['mousedown', 'touchstart'], this.handleMouseDown);\n      this.on(this.el_, 'mousemove', this.handleMouseMove);\n      this.removeClass('disabled');\n      this.enabled_ = true;\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.el_.ownerDocument;\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseDown(event);\n      }\n\n      this.on(doc, 'mousemove', this.throttledHandleMouseSeek);\n      this.on(doc, 'touchmove', this.throttledHandleMouseSeek);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mouseup` or `touchend` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      var doc = this.el_.ownerDocument;\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseUp(event);\n      }\n\n      this.off(doc, 'mousemove', this.throttledHandleMouseSeek);\n      this.off(doc, 'touchmove', this.throttledHandleMouseSeek);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchend', this.handleMouseUp);\n    };\n\n    return ProgressControl;\n  }(Component);\n  /**\n   * Default options for `ProgressControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ProgressControl.prototype.options_ = {\n    children: ['seekBar']\n  };\n  Component.registerComponent('ProgressControl', ProgressControl);\n\n  /**\n   * Toggle Picture-in-Picture mode\n   *\n   * @extends Button\n   */\n\n  var PictureInPictureToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(PictureInPictureToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @listens Player#enterpictureinpicture\n     * @listens Player#leavepictureinpicture\n     */\n    function PictureInPictureToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.on(player, ['enterpictureinpicture', 'leavepictureinpicture'], _this.handlePictureInPictureChange); // TODO: Activate button on player loadedmetadata event.\n      // TODO: Deactivate button on player emptied event.\n      // TODO: Deactivate button if disablepictureinpicture attribute is present.\n\n\n      if (!document.pictureInPictureEnabled) {\n        _this.disable();\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = PictureInPictureToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-picture-in-picture-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Handles enterpictureinpicture and leavepictureinpicture on the player and change control text accordingly.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#enterpictureinpicture} or {@link Player#leavepictureinpicture} event that caused this function to be\n     *        called.\n     *\n     * @listens Player#enterpictureinpicture\n     * @listens Player#leavepictureinpicture\n     */\n    ;\n\n    _proto.handlePictureInPictureChange = function handlePictureInPictureChange(event) {\n      if (this.player_.isInPictureInPicture()) {\n        this.controlText('Exit Picture-in-Picture');\n      } else {\n        this.controlText('Picture-in-Picture');\n      }\n    }\n    /**\n     * This gets called when an `PictureInPictureToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (!this.player_.isInPictureInPicture()) {\n        this.player_.requestPictureInPicture();\n      } else {\n        this.player_.exitPictureInPicture();\n      }\n    };\n\n    return PictureInPictureToggle;\n  }(Button);\n  /**\n   * The text that should display over the `PictureInPictureToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PictureInPictureToggle.prototype.controlText_ = 'Picture-in-Picture';\n  Component.registerComponent('PictureInPictureToggle', PictureInPictureToggle);\n\n  /**\n   * Toggle fullscreen video\n   *\n   * @extends Button\n   */\n\n  var FullscreenToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(FullscreenToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function FullscreenToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);\n\n      if (document[player.fsApi_.fullscreenEnabled] === false) {\n        _this.disable();\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = FullscreenToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-fullscreen-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Handles fullscreenchange on the player and change control text accordingly.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#fullscreenchange} event that caused this function to be\n     *        called.\n     *\n     * @listens Player#fullscreenchange\n     */\n    ;\n\n    _proto.handleFullscreenChange = function handleFullscreenChange(event) {\n      if (this.player_.isFullscreen()) {\n        this.controlText('Non-Fullscreen');\n      } else {\n        this.controlText('Fullscreen');\n      }\n    }\n    /**\n     * This gets called when an `FullscreenToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (!this.player_.isFullscreen()) {\n        this.player_.requestFullscreen();\n      } else {\n        this.player_.exitFullscreen();\n      }\n    };\n\n    return FullscreenToggle;\n  }(Button);\n  /**\n   * The text that should display over the `FullscreenToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  FullscreenToggle.prototype.controlText_ = 'Fullscreen';\n  Component.registerComponent('FullscreenToggle', FullscreenToggle);\n\n  /**\n   * Check if volume control is supported and if it isn't hide the\n   * `Component` that was passed  using the `vjs-hidden` class.\n   *\n   * @param {Component} self\n   *        The component that should be hidden if volume is unsupported\n   *\n   * @param {Player} player\n   *        A reference to the player\n   *\n   * @private\n   */\n  var checkVolumeSupport = function checkVolumeSupport(self, player) {\n    // hide volume controls when they're not supported by the current tech\n    if (player.tech_ && !player.tech_.featuresVolumeControl) {\n      self.addClass('vjs-hidden');\n    }\n\n    self.on(player, 'loadstart', function () {\n      if (!player.tech_.featuresVolumeControl) {\n        self.addClass('vjs-hidden');\n      } else {\n        self.removeClass('vjs-hidden');\n      }\n    });\n  };\n\n  /**\n   * Shows volume level\n   *\n   * @extends Component\n   */\n\n  var VolumeLevel = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumeLevel, _Component);\n\n    function VolumeLevel() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = VolumeLevel.prototype;\n\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-volume-level',\n        innerHTML: '<span class=\"vjs-control-text\"></span>'\n      });\n    };\n\n    return VolumeLevel;\n  }(Component);\n\n  Component.registerComponent('VolumeLevel', VolumeLevel);\n\n  /**\n   * The bar that contains the volume level and can be clicked on to adjust the level\n   *\n   * @extends Slider\n   */\n\n  var VolumeBar = /*#__PURE__*/function (_Slider) {\n    inheritsLoose(VolumeBar, _Slider);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function VolumeBar(player, options) {\n      var _this;\n\n      _this = _Slider.call(this, player, options) || this;\n\n      _this.on('slideractive', _this.updateLastVolume_);\n\n      _this.on(player, 'volumechange', _this.updateARIAAttributes);\n\n      player.ready(function () {\n        return _this.updateARIAAttributes();\n      });\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = VolumeBar.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Slider.prototype.createEl.call(this, 'div', {\n        className: 'vjs-volume-bar vjs-slider-bar'\n      }, {\n        'aria-label': this.localize('Volume Level'),\n        'aria-live': 'polite'\n      });\n    }\n    /**\n     * Handle mouse down on volume bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousedown` event that caused this to run.\n     *\n     * @listens mousedown\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      _Slider.prototype.handleMouseDown.call(this, event);\n    }\n    /**\n     * Handle movement events on the {@link VolumeMenuButton}.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run.\n     *\n     * @listens mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      this.checkMuted();\n      this.player_.volume(this.calculateDistance(event));\n    }\n    /**\n     * If the player is muted unmute it.\n     */\n    ;\n\n    _proto.checkMuted = function checkMuted() {\n      if (this.player_.muted()) {\n        this.player_.muted(false);\n      }\n    }\n    /**\n     * Get percent of volume level\n     *\n     * @return {number}\n     *         Volume level percent as a decimal number.\n     */\n    ;\n\n    _proto.getPercent = function getPercent() {\n      if (this.player_.muted()) {\n        return 0;\n      }\n\n      return this.player_.volume();\n    }\n    /**\n     * Increase volume level for keyboard users\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      this.checkMuted();\n      this.player_.volume(this.player_.volume() + 0.1);\n    }\n    /**\n     * Decrease volume level for keyboard users\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      this.checkMuted();\n      this.player_.volume(this.player_.volume() - 0.1);\n    }\n    /**\n     * Update ARIA accessibility attributes\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `volumechange` event that caused this function to run.\n     *\n     * @listens Player#volumechange\n     */\n    ;\n\n    _proto.updateARIAAttributes = function updateARIAAttributes(event) {\n      var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();\n      this.el_.setAttribute('aria-valuenow', ariaValue);\n      this.el_.setAttribute('aria-valuetext', ariaValue + '%');\n    }\n    /**\n     * Returns the current value of the player volume as a percentage\n     *\n     * @private\n     */\n    ;\n\n    _proto.volumeAsPercentage_ = function volumeAsPercentage_() {\n      return Math.round(this.player_.volume() * 100);\n    }\n    /**\n     * When user starts dragging the VolumeBar, store the volume and listen for\n     * the end of the drag. When the drag ends, if the volume was set to zero,\n     * set lastVolume to the stored volume.\n     *\n     * @listens slideractive\n     * @private\n     */\n    ;\n\n    _proto.updateLastVolume_ = function updateLastVolume_() {\n      var _this2 = this;\n\n      var volumeBeforeDrag = this.player_.volume();\n      this.one('sliderinactive', function () {\n        if (_this2.player_.volume() === 0) {\n          _this2.player_.lastVolume_(volumeBeforeDrag);\n        }\n      });\n    };\n\n    return VolumeBar;\n  }(Slider);\n  /**\n   * Default options for the `VolumeBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumeBar.prototype.options_ = {\n    children: ['volumeLevel'],\n    barName: 'volumeLevel'\n  };\n  /**\n   * Call the update event for this Slider when this event happens on the player.\n   *\n   * @type {string}\n   */\n\n  VolumeBar.prototype.playerEvent = 'volumechange';\n  Component.registerComponent('VolumeBar', VolumeBar);\n\n  /**\n   * The component for controlling the volume level\n   *\n   * @extends Component\n   */\n\n  var VolumeControl = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumeControl, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function VolumeControl(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.vertical = options.vertical || false; // Pass the vertical option down to the VolumeBar if\n      // the VolumeBar is turned on.\n\n      if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {\n        options.volumeBar = options.volumeBar || {};\n        options.volumeBar.vertical = options.vertical;\n      }\n\n      _this = _Component.call(this, player, options) || this; // hide this control if volume support is missing\n\n      checkVolumeSupport(assertThisInitialized(_this), player);\n      _this.throttledHandleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);\n\n      _this.on('mousedown', _this.handleMouseDown);\n\n      _this.on('touchstart', _this.handleMouseDown); // while the slider is active (the mouse has been pressed down and\n      // is dragging) or in focus we do not want to hide the VolumeBar\n\n\n      _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {\n        _this.volumeBar.addClass('vjs-slider-active');\n\n        _this.addClass('vjs-slider-active');\n\n        _this.trigger('slideractive');\n      });\n\n      _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {\n        _this.volumeBar.removeClass('vjs-slider-active');\n\n        _this.removeClass('vjs-slider-active');\n\n        _this.trigger('sliderinactive');\n      });\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = VolumeControl.prototype;\n\n    _proto.createEl = function createEl() {\n      var orientationClass = 'vjs-volume-horizontal';\n\n      if (this.options_.vertical) {\n        orientationClass = 'vjs-volume-vertical';\n      }\n\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: \"vjs-volume-control vjs-control \" + orientationClass\n      });\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.el_.ownerDocument;\n      this.on(doc, 'mousemove', this.throttledHandleMouseMove);\n      this.on(doc, 'touchmove', this.throttledHandleMouseMove);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mouseup` or `touchend` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      var doc = this.el_.ownerDocument;\n      this.off(doc, 'mousemove', this.throttledHandleMouseMove);\n      this.off(doc, 'touchmove', this.throttledHandleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      this.volumeBar.handleMouseMove(event);\n    };\n\n    return VolumeControl;\n  }(Component);\n  /**\n   * Default options for the `VolumeControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumeControl.prototype.options_ = {\n    children: ['volumeBar']\n  };\n  Component.registerComponent('VolumeControl', VolumeControl);\n\n  /**\n   * Check if muting volume is supported and if it isn't hide the mute toggle\n   * button.\n   *\n   * @param {Component} self\n   *        A reference to the mute toggle button\n   *\n   * @param {Player} player\n   *        A reference to the player\n   *\n   * @private\n   */\n  var checkMuteSupport = function checkMuteSupport(self, player) {\n    // hide mute toggle button if it's not supported by the current tech\n    if (player.tech_ && !player.tech_.featuresMuteControl) {\n      self.addClass('vjs-hidden');\n    }\n\n    self.on(player, 'loadstart', function () {\n      if (!player.tech_.featuresMuteControl) {\n        self.addClass('vjs-hidden');\n      } else {\n        self.removeClass('vjs-hidden');\n      }\n    });\n  };\n\n  /**\n   * A button component for muting the audio.\n   *\n   * @extends Button\n   */\n\n  var MuteToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(MuteToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function MuteToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this; // hide this control if volume support is missing\n\n      checkMuteSupport(assertThisInitialized(_this), player);\n\n      _this.on(player, ['loadstart', 'volumechange'], _this.update);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = MuteToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-mute-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when an `MuteToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var vol = this.player_.volume();\n      var lastVolume = this.player_.lastVolume_();\n\n      if (vol === 0) {\n        var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;\n        this.player_.volume(volumeToSet);\n        this.player_.muted(false);\n      } else {\n        this.player_.muted(this.player_.muted() ? false : true);\n      }\n    }\n    /**\n     * Update the `MuteToggle` button based on the state of `volume` and `muted`\n     * on the player.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#loadstart} event if this function was called\n     *        through an event.\n     *\n     * @listens Player#loadstart\n     * @listens Player#volumechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      this.updateIcon_();\n      this.updateControlText_();\n    }\n    /**\n     * Update the appearance of the `MuteToggle` icon.\n     *\n     * Possible states (given `level` variable below):\n     * - 0: crossed out\n     * - 1: zero bars of volume\n     * - 2: one bar of volume\n     * - 3: two bars of volume\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateIcon_ = function updateIcon_() {\n      var vol = this.player_.volume();\n      var level = 3; // in iOS when a player is loaded with muted attribute\n      // and volume is changed with a native mute button\n      // we want to make sure muted state is updated\n\n      if (IS_IOS && this.player_.tech_ && this.player_.tech_.el_) {\n        this.player_.muted(this.player_.tech_.el_.muted);\n      }\n\n      if (vol === 0 || this.player_.muted()) {\n        level = 0;\n      } else if (vol < 0.33) {\n        level = 1;\n      } else if (vol < 0.67) {\n        level = 2;\n      } // TODO improve muted icon classes\n\n\n      for (var i = 0; i < 4; i++) {\n        removeClass(this.el_, \"vjs-vol-\" + i);\n      }\n\n      addClass(this.el_, \"vjs-vol-\" + level);\n    }\n    /**\n     * If `muted` has changed on the player, update the control text\n     * (`title` attribute on `vjs-mute-control` element and content of\n     * `vjs-control-text` element).\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateControlText_ = function updateControlText_() {\n      var soundOff = this.player_.muted() || this.player_.volume() === 0;\n      var text = soundOff ? 'Unmute' : 'Mute';\n\n      if (this.controlText() !== text) {\n        this.controlText(text);\n      }\n    };\n\n    return MuteToggle;\n  }(Button);\n  /**\n   * The text that should display over the `MuteToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  MuteToggle.prototype.controlText_ = 'Mute';\n  Component.registerComponent('MuteToggle', MuteToggle);\n\n  /**\n   * A Component to contain the MuteToggle and VolumeControl so that\n   * they can work together.\n   *\n   * @extends Component\n   */\n\n  var VolumePanel = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumePanel, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function VolumePanel(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (typeof options.inline !== 'undefined') {\n        options.inline = options.inline;\n      } else {\n        options.inline = true;\n      } // pass the inline option down to the VolumeControl as vertical if\n      // the VolumeControl is on.\n\n\n      if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {\n        options.volumeControl = options.volumeControl || {};\n        options.volumeControl.vertical = !options.inline;\n      }\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.on(player, ['loadstart'], _this.volumePanelState_);\n\n      _this.on(_this.muteToggle, 'keyup', _this.handleKeyPress);\n\n      _this.on(_this.volumeControl, 'keyup', _this.handleVolumeControlKeyUp);\n\n      _this.on('keydown', _this.handleKeyPress);\n\n      _this.on('mouseover', _this.handleMouseOver);\n\n      _this.on('mouseout', _this.handleMouseOut); // while the slider is active (the mouse has been pressed down and\n      // is dragging) we do not want to hide the VolumeBar\n\n\n      _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);\n\n      _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);\n\n      return _this;\n    }\n    /**\n     * Add vjs-slider-active class to the VolumePanel\n     *\n     * @listens VolumeControl#slideractive\n     * @private\n     */\n\n\n    var _proto = VolumePanel.prototype;\n\n    _proto.sliderActive_ = function sliderActive_() {\n      this.addClass('vjs-slider-active');\n    }\n    /**\n     * Removes vjs-slider-active class to the VolumePanel\n     *\n     * @listens VolumeControl#sliderinactive\n     * @private\n     */\n    ;\n\n    _proto.sliderInactive_ = function sliderInactive_() {\n      this.removeClass('vjs-slider-active');\n    }\n    /**\n     * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel\n     * depending on MuteToggle and VolumeControl state\n     *\n     * @listens Player#loadstart\n     * @private\n     */\n    ;\n\n    _proto.volumePanelState_ = function volumePanelState_() {\n      // hide volume panel if neither volume control or mute toggle\n      // are displayed\n      if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) {\n        this.addClass('vjs-hidden');\n      } // if only mute toggle is visible we don't want\n      // volume panel expanding when hovered or active\n\n\n      if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) {\n        this.addClass('vjs-mute-toggle-only');\n      }\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var orientationClass = 'vjs-volume-panel-horizontal';\n\n      if (!this.options_.inline) {\n        orientationClass = 'vjs-volume-panel-vertical';\n      }\n\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: \"vjs-volume-panel vjs-control \" + orientationClass\n      });\n    }\n    /**\n     * Dispose of the `volume-panel` and all child components.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.handleMouseOut();\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Handles `keyup` events on the `VolumeControl`, looking for ESC, which closes\n     * the volume panel and sets focus on `MuteToggle`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keyup` event that caused this function to be called.\n     *\n     * @listens keyup\n     */\n    ;\n\n    _proto.handleVolumeControlKeyUp = function handleVolumeControlKeyUp(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        this.muteToggle.focus();\n      }\n    }\n    /**\n     * This gets called when a `VolumePanel` gains hover via a `mouseover` event.\n     * Turns on listening for `mouseover` event. When they happen it\n     * calls `this.handleMouseOver`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseover` event that caused this function to be called.\n     *\n     * @listens mouseover\n     */\n    ;\n\n    _proto.handleMouseOver = function handleMouseOver(event) {\n      this.addClass('vjs-hover');\n      on(document, 'keyup', bind(this, this.handleKeyPress));\n    }\n    /**\n     * This gets called when a `VolumePanel` gains hover via a `mouseout` event.\n     * Turns on listening for `mouseout` event. When they happen it\n     * calls `this.handleMouseOut`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseout` event that caused this function to be called.\n     *\n     * @listens mouseout\n     */\n    ;\n\n    _proto.handleMouseOut = function handleMouseOut(event) {\n      this.removeClass('vjs-hover');\n      off(document, 'keyup', bind(this, this.handleKeyPress));\n    }\n    /**\n     * Handles `keyup` event on the document or `keydown` event on the `VolumePanel`,\n     * looking for ESC, which hides the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        The keypress that triggered this event.\n     *\n     * @listens keydown | keyup\n     */\n    ;\n\n    _proto.handleKeyPress = function handleKeyPress(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        this.handleMouseOut();\n      }\n    };\n\n    return VolumePanel;\n  }(Component);\n  /**\n   * Default options for the `VolumeControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumePanel.prototype.options_ = {\n    children: ['muteToggle', 'volumeControl']\n  };\n  Component.registerComponent('VolumePanel', VolumePanel);\n\n  /**\n   * The Menu component is used to build popup menus, including subtitle and\n   * captions selection menus.\n   *\n   * @extends Component\n   */\n\n  var Menu = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Menu, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        the player that this component should attach to\n     *\n     * @param {Object} [options]\n     *        Object of option names and values\n     *\n     */\n    function Menu(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      if (options) {\n        _this.menuButton_ = options.menuButton;\n      }\n\n      _this.focusedChild_ = -1;\n\n      _this.on('keydown', _this.handleKeyDown); // All the menu item instances share the same blur handler provided by the menu container.\n\n\n      _this.boundHandleBlur_ = bind(assertThisInitialized(_this), _this.handleBlur);\n      _this.boundHandleTapClick_ = bind(assertThisInitialized(_this), _this.handleTapClick);\n      return _this;\n    }\n    /**\n     * Add event listeners to the {@link MenuItem}.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem` to add listeners to.\n     *\n     */\n\n\n    var _proto = Menu.prototype;\n\n    _proto.addEventListenerForItem = function addEventListenerForItem(component) {\n      if (!(component instanceof Component)) {\n        return;\n      }\n\n      this.on(component, 'blur', this.boundHandleBlur_);\n      this.on(component, ['tap', 'click'], this.boundHandleTapClick_);\n    }\n    /**\n     * Remove event listeners from the {@link MenuItem}.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem` to remove listeners.\n     *\n     */\n    ;\n\n    _proto.removeEventListenerForItem = function removeEventListenerForItem(component) {\n      if (!(component instanceof Component)) {\n        return;\n      }\n\n      this.off(component, 'blur', this.boundHandleBlur_);\n      this.off(component, ['tap', 'click'], this.boundHandleTapClick_);\n    }\n    /**\n     * This method will be called indirectly when the component has been added\n     * before the component adds to the new menu instance by `addItem`.\n     * In this case, the original menu instance will remove the component\n     * by calling `removeChild`.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem`\n     */\n    ;\n\n    _proto.removeChild = function removeChild(component) {\n      if (typeof component === 'string') {\n        component = this.getChild(component);\n      }\n\n      this.removeEventListenerForItem(component);\n\n      _Component.prototype.removeChild.call(this, component);\n    }\n    /**\n     * Add a {@link MenuItem} to the menu.\n     *\n     * @param {Object|string} component\n     *        The name or instance of the `MenuItem` to add.\n     *\n     */\n    ;\n\n    _proto.addItem = function addItem(component) {\n      var childComponent = this.addChild(component);\n\n      if (childComponent) {\n        this.addEventListenerForItem(childComponent);\n      }\n    }\n    /**\n     * Create the `Menu`s DOM element.\n     *\n     * @return {Element}\n     *         the element that was created\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var contentElType = this.options_.contentElType || 'ul';\n      this.contentEl_ = createEl(contentElType, {\n        className: 'vjs-menu-content'\n      });\n      this.contentEl_.setAttribute('role', 'menu');\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        append: this.contentEl_,\n        className: 'vjs-menu'\n      });\n\n      el.appendChild(this.contentEl_); // Prevent clicks from bubbling up. Needed for Menu Buttons,\n      // where a click on the parent is significant\n\n      on(el, 'click', function (event) {\n        event.preventDefault();\n        event.stopImmediatePropagation();\n      });\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.boundHandleBlur_ = null;\n      this.boundHandleTapClick_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Called when a `MenuItem` loses focus.\n     *\n     * @param {EventTarget~Event} event\n     *        The `blur` event that caused this function to be called.\n     *\n     * @listens blur\n     */\n    ;\n\n    _proto.handleBlur = function handleBlur(event) {\n      var relatedTarget = event.relatedTarget || document.activeElement; // Close menu popup when a user clicks outside the menu\n\n      if (!this.children().some(function (element) {\n        return element.el() === relatedTarget;\n      })) {\n        var btn = this.menuButton_;\n\n        if (btn && btn.buttonPressed_ && relatedTarget !== btn.el().firstChild) {\n          btn.unpressButton();\n        }\n      }\n    }\n    /**\n     * Called when a `MenuItem` gets clicked or tapped.\n     *\n     * @param {EventTarget~Event} event\n     *        The `click` or `tap` event that caused this function to be called.\n     *\n     * @listens click,tap\n     */\n    ;\n\n    _proto.handleTapClick = function handleTapClick(event) {\n      // Unpress the associated MenuButton, and move focus back to it\n      if (this.menuButton_) {\n        this.menuButton_.unpressButton();\n        var childComponents = this.children();\n\n        if (!Array.isArray(childComponents)) {\n          return;\n        }\n\n        var foundComponent = childComponents.filter(function (component) {\n          return component.el() === event.target;\n        })[0];\n\n        if (!foundComponent) {\n          return;\n        } // don't focus menu button if item is a caption settings item\n        // because focus will move elsewhere\n\n\n        if (foundComponent.name() !== 'CaptionSettingsMenuItem') {\n          this.menuButton_.focus();\n        }\n      }\n    }\n    /**\n     * Handle a `keydown` event on this menu. This listener is added in the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        A `keydown` event that happened on the menu.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Left and Down Arrows\n      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepForward(); // Up and Right Arrows\n      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepBack();\n      }\n    }\n    /**\n     * Move to next (lower) menu item for keyboard users.\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      var stepChild = 0;\n\n      if (this.focusedChild_ !== undefined) {\n        stepChild = this.focusedChild_ + 1;\n      }\n\n      this.focus(stepChild);\n    }\n    /**\n     * Move to previous (higher) menu item for keyboard users.\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      var stepChild = 0;\n\n      if (this.focusedChild_ !== undefined) {\n        stepChild = this.focusedChild_ - 1;\n      }\n\n      this.focus(stepChild);\n    }\n    /**\n     * Set focus on a {@link MenuItem} in the `Menu`.\n     *\n     * @param {Object|string} [item=0]\n     *        Index of child item set focus on.\n     */\n    ;\n\n    _proto.focus = function focus(item) {\n      if (item === void 0) {\n        item = 0;\n      }\n\n      var children = this.children().slice();\n      var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);\n\n      if (haveTitle) {\n        children.shift();\n      }\n\n      if (children.length > 0) {\n        if (item < 0) {\n          item = 0;\n        } else if (item >= children.length) {\n          item = children.length - 1;\n        }\n\n        this.focusedChild_ = item;\n        children[item].el_.focus();\n      }\n    };\n\n    return Menu;\n  }(Component);\n\n  Component.registerComponent('Menu', Menu);\n\n  /**\n   * A `MenuButton` class for any popup {@link Menu}.\n   *\n   * @extends Component\n   */\n\n  var MenuButton = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MenuButton, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function MenuButton(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _Component.call(this, player, options) || this;\n      _this.menuButton_ = new Button(player, options);\n\n      _this.menuButton_.controlText(_this.controlText_);\n\n      _this.menuButton_.el_.setAttribute('aria-haspopup', 'true'); // Add buildCSSClass values to the button, not the wrapper\n\n\n      var buttonClass = Button.prototype.buildCSSClass();\n      _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;\n\n      _this.menuButton_.removeClass('vjs-control');\n\n      _this.addChild(_this.menuButton_);\n\n      _this.update();\n\n      _this.enabled_ = true;\n\n      _this.on(_this.menuButton_, 'tap', _this.handleClick);\n\n      _this.on(_this.menuButton_, 'click', _this.handleClick);\n\n      _this.on(_this.menuButton_, 'keydown', _this.handleKeyDown);\n\n      _this.on(_this.menuButton_, 'mouseenter', function () {\n        _this.addClass('vjs-hover');\n\n        _this.menu.show();\n\n        on(document, 'keyup', bind(assertThisInitialized(_this), _this.handleMenuKeyUp));\n      });\n\n      _this.on('mouseleave', _this.handleMouseLeave);\n\n      _this.on('keydown', _this.handleSubmenuKeyDown);\n\n      return _this;\n    }\n    /**\n     * Update the menu based on the current state of its items.\n     */\n\n\n    var _proto = MenuButton.prototype;\n\n    _proto.update = function update() {\n      var menu = this.createMenu();\n\n      if (this.menu) {\n        this.menu.dispose();\n        this.removeChild(this.menu);\n      }\n\n      this.menu = menu;\n      this.addChild(menu);\n      /**\n       * Track the state of the menu button\n       *\n       * @type {Boolean}\n       * @private\n       */\n\n      this.buttonPressed_ = false;\n      this.menuButton_.el_.setAttribute('aria-expanded', 'false');\n\n      if (this.items && this.items.length <= this.hideThreshold_) {\n        this.hide();\n      } else {\n        this.show();\n      }\n    }\n    /**\n     * Create the menu and add all items to it.\n     *\n     * @return {Menu}\n     *         The constructed menu\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      var menu = new Menu(this.player_, {\n        menuButton: this\n      });\n      /**\n       * Hide the menu if the number of items is less than or equal to this threshold. This defaults\n       * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list\n       * it here because every time we run `createMenu` we need to reset the value.\n       *\n       * @protected\n       * @type {Number}\n       */\n\n      this.hideThreshold_ = 0; // Add a title list item to the top\n\n      if (this.options_.title) {\n        var titleEl = createEl('li', {\n          className: 'vjs-menu-title',\n          innerHTML: toTitleCase(this.options_.title),\n          tabIndex: -1\n        });\n        this.hideThreshold_ += 1;\n        var titleComponent = new Component(this.player_, {\n          el: titleEl\n        });\n        menu.addItem(titleComponent);\n      }\n\n      this.items = this.createItems();\n\n      if (this.items) {\n        // Add menu items to the menu\n        for (var i = 0; i < this.items.length; i++) {\n          menu.addItem(this.items[i]);\n        }\n      }\n\n      return menu;\n    }\n    /**\n     * Create the list of menu items. Specific to each subclass.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.createItems = function createItems() {}\n    /**\n     * Create the `MenuButtons`s DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildWrapperCSSClass()\n      }, {});\n    }\n    /**\n     * Allow sub components to stack CSS class names for the wrapper element\n     *\n     * @return {string}\n     *         The constructed wrapper DOM `className`\n     */\n    ;\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.\n\n      if (this.options_.inline === true) {\n        menuButtonClass += '-inline';\n      } else {\n        menuButtonClass += '-popup';\n      } // TODO: Fix the CSS so that this isn't necessary\n\n\n      var buttonClass = Button.prototype.buildCSSClass();\n      return \"vjs-menu-button \" + menuButtonClass + \" \" + buttonClass + \" \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.\n\n      if (this.options_.inline === true) {\n        menuButtonClass += '-inline';\n      } else {\n        menuButtonClass += '-popup';\n      }\n\n      return \"vjs-menu-button \" + menuButtonClass + \" \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Get or set the localized control text that will be used for accessibility.\n     *\n     * > NOTE: This will come from the internal `menuButton_` element.\n     *\n     * @param {string} [text]\n     *        Control text for element.\n     *\n     * @param {Element} [el=this.menuButton_.el()]\n     *        Element to set the title on.\n     *\n     * @return {string}\n     *         - The control text when getting\n     */\n    ;\n\n    _proto.controlText = function controlText(text, el) {\n      if (el === void 0) {\n        el = this.menuButton_.el();\n      }\n\n      return this.menuButton_.controlText(text, el);\n    }\n    /**\n     * Dispose of the `menu-button` and all child components.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.handleMouseLeave();\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Handle a click on a `MenuButton`.\n     * See {@link ClickableComponent#handleClick} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.buttonPressed_) {\n        this.unpressButton();\n      } else {\n        this.pressButton();\n      }\n    }\n    /**\n     * Handle `mouseleave` for `MenuButton`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseleave` event that caused this function to be called.\n     *\n     * @listens mouseleave\n     */\n    ;\n\n    _proto.handleMouseLeave = function handleMouseLeave(event) {\n      this.removeClass('vjs-hover');\n      off(document, 'keyup', bind(this, this.handleMenuKeyUp));\n    }\n    /**\n     * Set the focus to the actual button, not to this element\n     */\n    ;\n\n    _proto.focus = function focus() {\n      this.menuButton_.focus();\n    }\n    /**\n     * Remove the focus from the actual button, not this element\n     */\n    ;\n\n    _proto.blur = function blur() {\n      this.menuButton_.blur();\n    }\n    /**\n     * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See\n     * {@link ClickableComponent#handleKeyDown} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Escape or Tab unpress the 'button'\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        if (this.buttonPressed_) {\n          this.unpressButton();\n        } // Don't preventDefault for Tab key - we still want to lose focus\n\n\n        if (!keycode.isEventKey(event, 'Tab')) {\n          event.preventDefault(); // Set focus back to the menu button's button\n\n          this.menuButton_.focus();\n        } // Up Arrow or Down Arrow also 'press' the button to open the menu\n\n      } else if (keycode.isEventKey(event, 'Up') || keycode.isEventKey(event, 'Down')) {\n        if (!this.buttonPressed_) {\n          event.preventDefault();\n          this.pressButton();\n        }\n      }\n    }\n    /**\n     * Handle a `keyup` event on a `MenuButton`. The listener for this is added in\n     * the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        Key press event\n     *\n     * @listens keyup\n     */\n    ;\n\n    _proto.handleMenuKeyUp = function handleMenuKeyUp(event) {\n      // Escape hides popup menu\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        this.removeClass('vjs-hover');\n      }\n    }\n    /**\n     * This method name now delegates to `handleSubmenuKeyDown`. This means\n     * anyone calling `handleSubmenuKeyPress` will not see their method calls\n     * stop working.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {\n      this.handleSubmenuKeyDown(event);\n    }\n    /**\n     * Handle a `keydown` event on a sub-menu. The listener for this is added in\n     * the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        Key press event\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleSubmenuKeyDown = function handleSubmenuKeyDown(event) {\n      // Escape or Tab unpress the 'button'\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        if (this.buttonPressed_) {\n          this.unpressButton();\n        } // Don't preventDefault for Tab key - we still want to lose focus\n\n\n        if (!keycode.isEventKey(event, 'Tab')) {\n          event.preventDefault(); // Set focus back to the menu button's button\n\n          this.menuButton_.focus();\n        }\n      }\n    }\n    /**\n     * Put the current `MenuButton` into a pressed state.\n     */\n    ;\n\n    _proto.pressButton = function pressButton() {\n      if (this.enabled_) {\n        this.buttonPressed_ = true;\n        this.menu.show();\n        this.menu.lockShowing();\n        this.menuButton_.el_.setAttribute('aria-expanded', 'true'); // set the focus into the submenu, except on iOS where it is resulting in\n        // undesired scrolling behavior when the player is in an iframe\n\n        if (IS_IOS && isInFrame()) {\n          // Return early so that the menu isn't focused\n          return;\n        }\n\n        this.menu.focus();\n      }\n    }\n    /**\n     * Take the current `MenuButton` out of a pressed state.\n     */\n    ;\n\n    _proto.unpressButton = function unpressButton() {\n      if (this.enabled_) {\n        this.buttonPressed_ = false;\n        this.menu.unlockShowing();\n        this.menu.hide();\n        this.menuButton_.el_.setAttribute('aria-expanded', 'false');\n      }\n    }\n    /**\n     * Disable the `MenuButton`. Don't allow it to be clicked.\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.unpressButton();\n      this.enabled_ = false;\n      this.addClass('vjs-disabled');\n      this.menuButton_.disable();\n    }\n    /**\n     * Enable the `MenuButton`. Allow it to be clicked.\n     */\n    ;\n\n    _proto.enable = function enable() {\n      this.enabled_ = true;\n      this.removeClass('vjs-disabled');\n      this.menuButton_.enable();\n    };\n\n    return MenuButton;\n  }(Component);\n\n  Component.registerComponent('MenuButton', MenuButton);\n\n  /**\n   * The base class for buttons that toggle specific  track types (e.g. subtitles).\n   *\n   * @extends MenuButton\n   */\n\n  var TrackButton = /*#__PURE__*/function (_MenuButton) {\n    inheritsLoose(TrackButton, _MenuButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TrackButton(player, options) {\n      var _this;\n\n      var tracks = options.tracks;\n      _this = _MenuButton.call(this, player, options) || this;\n\n      if (_this.items.length <= 1) {\n        _this.hide();\n      }\n\n      if (!tracks) {\n        return assertThisInitialized(_this);\n      }\n\n      var updateHandler = bind(assertThisInitialized(_this), _this.update);\n      tracks.addEventListener('removetrack', updateHandler);\n      tracks.addEventListener('addtrack', updateHandler);\n\n      _this.player_.on('ready', updateHandler);\n\n      _this.player_.on('dispose', function () {\n        tracks.removeEventListener('removetrack', updateHandler);\n        tracks.removeEventListener('addtrack', updateHandler);\n      });\n\n      return _this;\n    }\n\n    return TrackButton;\n  }(MenuButton);\n\n  Component.registerComponent('TrackButton', TrackButton);\n\n  /**\n   * @file menu-keys.js\n   */\n\n  /**\n    * All keys used for operation of a menu (`MenuButton`, `Menu`, and `MenuItem`)\n    * Note that 'Enter' and 'Space' are not included here (otherwise they would\n    * prevent the `MenuButton` and `MenuItem` from being keyboard-clickable)\n    * @typedef MenuKeys\n    * @array\n    */\n  var MenuKeys = ['Tab', 'Esc', 'Up', 'Down', 'Right', 'Left'];\n\n  /**\n   * The component for a menu item. `<li>`\n   *\n   * @extends ClickableComponent\n   */\n\n  var MenuItem = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(MenuItem, _ClickableComponent);\n\n    /**\n     * Creates an instance of the this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     *\n     */\n    function MenuItem(player, options) {\n      var _this;\n\n      _this = _ClickableComponent.call(this, player, options) || this;\n      _this.selectable = options.selectable;\n      _this.isSelected_ = options.selected || false;\n      _this.multiSelectable = options.multiSelectable;\n\n      _this.selected(_this.isSelected_);\n\n      if (_this.selectable) {\n        if (_this.multiSelectable) {\n          _this.el_.setAttribute('role', 'menuitemcheckbox');\n        } else {\n          _this.el_.setAttribute('role', 'menuitemradio');\n        }\n      } else {\n        _this.el_.setAttribute('role', 'menuitem');\n      }\n\n      return _this;\n    }\n    /**\n     * Create the `MenuItem's DOM element\n     *\n     * @param {string} [type=li]\n     *        Element's node type, not actually used, always set to `li`.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element\n     *\n     * @param {Object} [attrs={}]\n     *        An object of attributes that should be set on the element\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n\n\n    var _proto = MenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      // The control is textual, not just an icon\n      this.nonIconControl = true;\n      return _ClickableComponent.prototype.createEl.call(this, 'li', assign({\n        className: 'vjs-menu-item',\n        innerHTML: \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label) + \"</span>\",\n        tabIndex: -1\n      }, props), attrs);\n    }\n    /**\n     * Ignore keys which are used by the menu, but pass any other ones up. See\n     * {@link ClickableComponent#handleKeyDown} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (!MenuKeys.some(function (key) {\n        return keycode.isEventKey(event, key);\n      })) {\n        // Pass keydown handling up for unused keys\n        _ClickableComponent.prototype.handleKeyDown.call(this, event);\n      }\n    }\n    /**\n     * Any click on a `MenuItem` puts it into the selected state.\n     * See {@link ClickableComponent#handleClick} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      this.selected(true);\n    }\n    /**\n     * Set the state for this menu item as selected or not.\n     *\n     * @param {boolean} selected\n     *        if the menu item is selected or not\n     */\n    ;\n\n    _proto.selected = function selected(_selected) {\n      if (this.selectable) {\n        if (_selected) {\n          this.addClass('vjs-selected');\n          this.el_.setAttribute('aria-checked', 'true'); // aria-checked isn't fully supported by browsers/screen readers,\n          // so indicate selected state to screen reader in the control text.\n\n          this.controlText(', selected');\n          this.isSelected_ = true;\n        } else {\n          this.removeClass('vjs-selected');\n          this.el_.setAttribute('aria-checked', 'false'); // Indicate un-selected state to screen reader\n\n          this.controlText('');\n          this.isSelected_ = false;\n        }\n      }\n    };\n\n    return MenuItem;\n  }(ClickableComponent);\n\n  Component.registerComponent('MenuItem', MenuItem);\n\n  /**\n   * The specific menu item type for selecting a language within a text track kind\n   *\n   * @extends MenuItem\n   */\n\n  var TextTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(TextTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TextTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var tracks = player.textTracks(); // Modify options for parent MenuItem class's init.\n\n      options.label = track.label || track.language || 'Unknown';\n      options.selected = track.mode === 'showing';\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track; // Determine the relevant kind(s) of tracks for this component and filter\n      // out empty kinds.\n\n      _this.kinds = (options.kinds || [options.kind || _this.track.kind]).filter(Boolean);\n\n      var changeHandler = function changeHandler() {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        _this.handleTracksChange.apply(assertThisInitialized(_this), args);\n      };\n\n      var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {\n        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n          args[_key2] = arguments[_key2];\n        }\n\n        _this.handleSelectedLanguageChange.apply(assertThisInitialized(_this), args);\n      };\n\n      player.on(['loadstart', 'texttrackchange'], changeHandler);\n      tracks.addEventListener('change', changeHandler);\n      tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);\n\n      _this.on('dispose', function () {\n        player.off(['loadstart', 'texttrackchange'], changeHandler);\n        tracks.removeEventListener('change', changeHandler);\n        tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);\n      }); // iOS7 doesn't dispatch change events to TextTrackLists when an\n      // associated track's mode changes. Without something like\n      // Object.observe() (also not present on iOS7), it's not\n      // possible to detect changes to the mode attribute and polyfill\n      // the change event. As a poor substitute, we manually dispatch\n      // change events whenever the controls modify the mode.\n\n\n      if (tracks.onchange === undefined) {\n        var event;\n\n        _this.on(['tap', 'click'], function () {\n          if (typeof window$3.Event !== 'object') {\n            // Android 2.3 throws an Illegal Constructor error for window.Event\n            try {\n              event = new window$3.Event('change');\n            } catch (err) {// continue regardless of error\n            }\n          }\n\n          if (!event) {\n            event = document.createEvent('Event');\n            event.initEvent('change', true, true);\n          }\n\n          tracks.dispatchEvent(event);\n        });\n      } // set the default state based on current tracks\n\n\n      _this.handleTracksChange();\n\n      return _this;\n    }\n    /**\n     * This gets called when an `TextTrackMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = TextTrackMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      var referenceTrack = this.track;\n      var tracks = this.player_.textTracks();\n\n      _MenuItem.prototype.handleClick.call(this, event);\n\n      if (!tracks) {\n        return;\n      }\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // If the track from the text tracks list is not of the right kind,\n        // skip it. We do not want to affect tracks of incompatible kind(s).\n\n        if (this.kinds.indexOf(track.kind) === -1) {\n          continue;\n        } // If this text track is the component's track and it is not showing,\n        // set it to showing.\n\n\n        if (track === referenceTrack) {\n          if (track.mode !== 'showing') {\n            track.mode = 'showing';\n          } // If this text track is not the component's track and it is not\n          // disabled, set it to disabled.\n\n        } else if (track.mode !== 'disabled') {\n          track.mode = 'disabled';\n        }\n      }\n    }\n    /**\n     * Handle text track list change\n     *\n     * @param {EventTarget~Event} event\n     *        The `change` event that caused this function to be called.\n     *\n     * @listens TextTrackList#change\n     */\n    ;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var shouldBeSelected = this.track.mode === 'showing'; // Prevent redundant selected() calls because they may cause\n      // screen readers to read the appended control text unnecessarily\n\n      if (shouldBeSelected !== this.isSelected_) {\n        this.selected(shouldBeSelected);\n      }\n    };\n\n    _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {\n      if (this.track.mode === 'showing') {\n        var selectedLanguage = this.player_.cache_.selectedLanguage; // Don't replace the kind of track across the same language\n\n        if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {\n          return;\n        }\n\n        this.player_.cache_.selectedLanguage = {\n          enabled: true,\n          language: this.track.language,\n          kind: this.track.kind\n        };\n      }\n    };\n\n    _proto.dispose = function dispose() {\n      // remove reference to track object on dispose\n      this.track = null;\n\n      _MenuItem.prototype.dispose.call(this);\n    };\n\n    return TextTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);\n\n  /**\n   * A special menu item for turning of a specific type of text track\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var OffTextTrackMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(OffTextTrackMenuItem, _TextTrackMenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function OffTextTrackMenuItem(player, options) {\n      // Create pseudo track info\n      // Requires options['kind']\n      options.track = {\n        player: player,\n        // it is no longer necessary to store `kind` or `kinds` on the track itself\n        // since they are now stored in the `kinds` property of all instances of\n        // TextTrackMenuItem, but this will remain for backwards compatibility\n        kind: options.kind,\n        kinds: options.kinds,\n        \"default\": false,\n        mode: 'disabled'\n      };\n\n      if (!options.kinds) {\n        options.kinds = [options.kind];\n      }\n\n      if (options.label) {\n        options.track.label = options.label;\n      } else {\n        options.track.label = options.kinds.join(' and ') + ' off';\n      } // MenuItem is selectable\n\n\n      options.selectable = true; // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n\n      options.multiSelectable = false;\n      return _TextTrackMenuItem.call(this, player, options) || this;\n    }\n    /**\n     * Handle text track change\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run\n     */\n\n\n    var _proto = OffTextTrackMenuItem.prototype;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var tracks = this.player().textTracks();\n      var shouldBeSelected = true;\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {\n          shouldBeSelected = false;\n          break;\n        }\n      } // Prevent redundant selected() calls because they may cause\n      // screen readers to read the appended control text unnecessarily\n\n\n      if (shouldBeSelected !== this.isSelected_) {\n        this.selected(shouldBeSelected);\n      }\n    };\n\n    _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {\n      var tracks = this.player().textTracks();\n      var allHidden = true;\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {\n          allHidden = false;\n          break;\n        }\n      }\n\n      if (allHidden) {\n        this.player_.cache_.selectedLanguage = {\n          enabled: false\n        };\n      }\n    };\n\n    return OffTextTrackMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);\n\n  /**\n   * The base class for buttons that toggle specific text track types (e.g. subtitles)\n   *\n   * @extends MenuButton\n   */\n\n  var TextTrackButton = /*#__PURE__*/function (_TrackButton) {\n    inheritsLoose(TextTrackButton, _TrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function TextTrackButton(player, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.tracks = player.textTracks();\n      return _TrackButton.call(this, player, options) || this;\n    }\n    /**\n     * Create a menu item for each text track\n     *\n     * @param {TextTrackMenuItem[]} [items=[]]\n     *        Existing array of items to use during creation\n     *\n     * @return {TextTrackMenuItem[]}\n     *         Array of menu items that were created\n     */\n\n\n    var _proto = TextTrackButton.prototype;\n\n    _proto.createItems = function createItems(items, TrackMenuItem) {\n      if (items === void 0) {\n        items = [];\n      }\n\n      if (TrackMenuItem === void 0) {\n        TrackMenuItem = TextTrackMenuItem;\n      }\n\n      // Label is an override for the [track] off label\n      // USed to localise captions/subtitles\n      var label;\n\n      if (this.label_) {\n        label = this.label_ + \" off\";\n      } // Add an OFF menu item to turn all tracks off\n\n\n      items.push(new OffTextTrackMenuItem(this.player_, {\n        kinds: this.kinds_,\n        kind: this.kind_,\n        label: label\n      }));\n      this.hideThreshold_ += 1;\n      var tracks = this.player_.textTracks();\n\n      if (!Array.isArray(this.kinds_)) {\n        this.kinds_ = [this.kind_];\n      }\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // only add tracks that are of an appropriate kind and have a label\n\n        if (this.kinds_.indexOf(track.kind) > -1) {\n          var item = new TrackMenuItem(this.player_, {\n            track: track,\n            kinds: this.kinds_,\n            kind: this.kind_,\n            // MenuItem is selectable\n            selectable: true,\n            // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n            multiSelectable: false\n          });\n          item.addClass(\"vjs-\" + track.kind + \"-menu-item\");\n          items.push(item);\n        }\n      }\n\n      return items;\n    };\n\n    return TextTrackButton;\n  }(TrackButton);\n\n  Component.registerComponent('TextTrackButton', TextTrackButton);\n\n  /**\n   * The chapter track menu item\n   *\n   * @extends MenuItem\n   */\n\n  var ChaptersTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(ChaptersTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function ChaptersTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var cue = options.cue;\n      var currentTime = player.currentTime(); // Modify options for parent MenuItem class's init.\n\n      options.selectable = true;\n      options.multiSelectable = false;\n      options.label = cue.text;\n      options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track;\n      _this.cue = cue;\n      track.addEventListener('cuechange', bind(assertThisInitialized(_this), _this.update));\n      return _this;\n    }\n    /**\n     * This gets called when an `ChaptersTrackMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = ChaptersTrackMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      _MenuItem.prototype.handleClick.call(this);\n\n      this.player_.currentTime(this.cue.startTime);\n      this.update(this.cue.startTime);\n    }\n    /**\n     * Update chapter menu item\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `cuechange` event that caused this function to run.\n     *\n     * @listens TextTrack#cuechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var cue = this.cue;\n      var currentTime = this.player_.currentTime(); // vjs.log(currentTime, cue.startTime);\n\n      this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);\n    };\n\n    return ChaptersTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);\n\n  /**\n   * The button component for toggling and selecting chapters\n   * Chapters act much differently than other text tracks\n   * Cues are navigation vs. other tracks of alternative languages\n   *\n   * @extends TextTrackButton\n   */\n\n  var ChaptersButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(ChaptersButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this function is ready.\n     */\n    function ChaptersButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = ChaptersButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-chapters-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-chapters-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Update the menu based on the current state of its items.\n     *\n     * @param {EventTarget~Event} [event]\n     *        An event that triggered this function to run.\n     *\n     * @listens TextTrackList#addtrack\n     * @listens TextTrackList#removetrack\n     * @listens TextTrackList#change\n     */\n    ;\n\n    _proto.update = function update(event) {\n      if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {\n        this.setTrack(this.findChaptersTrack());\n      }\n\n      _TextTrackButton.prototype.update.call(this);\n    }\n    /**\n     * Set the currently selected track for the chapters button.\n     *\n     * @param {TextTrack} track\n     *        The new track to select. Nothing will change if this is the currently selected\n     *        track.\n     */\n    ;\n\n    _proto.setTrack = function setTrack(track) {\n      if (this.track_ === track) {\n        return;\n      }\n\n      if (!this.updateHandler_) {\n        this.updateHandler_ = this.update.bind(this);\n      } // here this.track_ refers to the old track instance\n\n\n      if (this.track_) {\n        var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);\n\n        if (remoteTextTrackEl) {\n          remoteTextTrackEl.removeEventListener('load', this.updateHandler_);\n        }\n\n        this.track_ = null;\n      }\n\n      this.track_ = track; // here this.track_ refers to the new track instance\n\n      if (this.track_) {\n        this.track_.mode = 'hidden';\n\n        var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);\n\n        if (_remoteTextTrackEl) {\n          _remoteTextTrackEl.addEventListener('load', this.updateHandler_);\n        }\n      }\n    }\n    /**\n     * Find the track object that is currently in use by this ChaptersButton\n     *\n     * @return {TextTrack|undefined}\n     *         The current track or undefined if none was found.\n     */\n    ;\n\n    _proto.findChaptersTrack = function findChaptersTrack() {\n      var tracks = this.player_.textTracks() || [];\n\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        // We will always choose the last track as our chaptersTrack\n        var track = tracks[i];\n\n        if (track.kind === this.kind_) {\n          return track;\n        }\n      }\n    }\n    /**\n     * Get the caption for the ChaptersButton based on the track label. This will also\n     * use the current tracks localized kind as a fallback if a label does not exist.\n     *\n     * @return {string}\n     *         The tracks current label or the localized track kind.\n     */\n    ;\n\n    _proto.getMenuCaption = function getMenuCaption() {\n      if (this.track_ && this.track_.label) {\n        return this.track_.label;\n      }\n\n      return this.localize(toTitleCase(this.kind_));\n    }\n    /**\n     * Create menu from chapter track\n     *\n     * @return {Menu}\n     *         New menu for the chapter buttons\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      this.options_.title = this.getMenuCaption();\n      return _TextTrackButton.prototype.createMenu.call(this);\n    }\n    /**\n     * Create a menu item for each text track\n     *\n     * @return {TextTrackMenuItem[]}\n     *         Array of menu items\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!this.track_) {\n        return items;\n      }\n\n      var cues = this.track_.cues;\n\n      if (!cues) {\n        return items;\n      }\n\n      for (var i = 0, l = cues.length; i < l; i++) {\n        var cue = cues[i];\n        var mi = new ChaptersTrackMenuItem(this.player_, {\n          track: this.track_,\n          cue: cue\n        });\n        items.push(mi);\n      }\n\n      return items;\n    };\n\n    return ChaptersButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  ChaptersButton.prototype.kind_ = 'chapters';\n  /**\n   * The text that should display over the `ChaptersButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  ChaptersButton.prototype.controlText_ = 'Chapters';\n  Component.registerComponent('ChaptersButton', ChaptersButton);\n\n  /**\n   * The button component for toggling and selecting descriptions\n   *\n   * @extends TextTrackButton\n   */\n\n  var DescriptionsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(DescriptionsButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function DescriptionsButton(player, options, ready) {\n      var _this;\n\n      _this = _TextTrackButton.call(this, player, options, ready) || this;\n      var tracks = player.textTracks();\n      var changeHandler = bind(assertThisInitialized(_this), _this.handleTracksChange);\n      tracks.addEventListener('change', changeHandler);\n\n      _this.on('dispose', function () {\n        tracks.removeEventListener('change', changeHandler);\n      });\n\n      return _this;\n    }\n    /**\n     * Handle text track change\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run\n     *\n     * @listens TextTrackList#change\n     */\n\n\n    var _proto = DescriptionsButton.prototype;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var tracks = this.player().textTracks();\n      var disabled = false; // Check whether a track of a different kind is showing\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (track.kind !== this.kind_ && track.mode === 'showing') {\n          disabled = true;\n          break;\n        }\n      } // If another track is showing, disable this menu button\n\n\n      if (disabled) {\n        this.disable();\n      } else {\n        this.enable();\n      }\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-descriptions-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-descriptions-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    };\n\n    return DescriptionsButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  DescriptionsButton.prototype.kind_ = 'descriptions';\n  /**\n   * The text that should display over the `DescriptionsButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  DescriptionsButton.prototype.controlText_ = 'Descriptions';\n  Component.registerComponent('DescriptionsButton', DescriptionsButton);\n\n  /**\n   * The button component for toggling and selecting subtitles\n   *\n   * @extends TextTrackButton\n   */\n\n  var SubtitlesButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(SubtitlesButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function SubtitlesButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = SubtitlesButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-subtitles-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-subtitles-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    };\n\n    return SubtitlesButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  SubtitlesButton.prototype.kind_ = 'subtitles';\n  /**\n   * The text that should display over the `SubtitlesButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  SubtitlesButton.prototype.controlText_ = 'Subtitles';\n  Component.registerComponent('SubtitlesButton', SubtitlesButton);\n\n  /**\n   * The menu item for caption track settings menu\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var CaptionSettingsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(CaptionSettingsMenuItem, _TextTrackMenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function CaptionSettingsMenuItem(player, options) {\n      var _this;\n\n      options.track = {\n        player: player,\n        kind: options.kind,\n        label: options.kind + ' settings',\n        selectable: false,\n        \"default\": false,\n        mode: 'disabled'\n      }; // CaptionSettingsMenuItem has no concept of 'selected'\n\n      options.selectable = false;\n      options.name = 'CaptionSettingsMenuItem';\n      _this = _TextTrackMenuItem.call(this, player, options) || this;\n\n      _this.addClass('vjs-texttrack-settings');\n\n      _this.controlText(', opens ' + options.kind + ' settings dialog');\n\n      return _this;\n    }\n    /**\n     * This gets called when an `CaptionSettingsMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = CaptionSettingsMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      this.player().getChild('textTrackSettings').open();\n    };\n\n    return CaptionSettingsMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);\n\n  /**\n   * The button component for toggling and selecting captions\n   *\n   * @extends TextTrackButton\n   */\n\n  var CaptionsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(CaptionsButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function CaptionsButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = CaptionsButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-captions-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-captions-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create caption menu items\n     *\n     * @return {CaptionSettingsMenuItem[]}\n     *         The array of current menu items.\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {\n        items.push(new CaptionSettingsMenuItem(this.player_, {\n          kind: this.kind_\n        }));\n        this.hideThreshold_ += 1;\n      }\n\n      return _TextTrackButton.prototype.createItems.call(this, items);\n    };\n\n    return CaptionsButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  CaptionsButton.prototype.kind_ = 'captions';\n  /**\n   * The text that should display over the `CaptionsButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  CaptionsButton.prototype.controlText_ = 'Captions';\n  Component.registerComponent('CaptionsButton', CaptionsButton);\n\n  /**\n   * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles\n   * in the SubsCapsMenu.\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var SubsCapsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(SubsCapsMenuItem, _TextTrackMenuItem);\n\n    function SubsCapsMenuItem() {\n      return _TextTrackMenuItem.apply(this, arguments) || this;\n    }\n\n    var _proto = SubsCapsMenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      var innerHTML = \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label);\n\n      if (this.options_.track.kind === 'captions') {\n        innerHTML += \"\\n        <span aria-hidden=\\\"true\\\" class=\\\"vjs-icon-placeholder\\\"></span>\\n        <span class=\\\"vjs-control-text\\\"> \" + this.localize('Captions') + \"</span>\\n      \";\n      }\n\n      innerHTML += '</span>';\n\n      var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({\n        innerHTML: innerHTML\n      }, props), attrs);\n\n      return el;\n    };\n\n    return SubsCapsMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);\n\n  /**\n   * The button component for toggling and selecting captions and/or subtitles\n   *\n   * @extends TextTrackButton\n   */\n\n  var SubsCapsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(SubsCapsButton, _TextTrackButton);\n\n    function SubsCapsButton(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _TextTrackButton.call(this, player, options) || this; // Although North America uses \"captions\" in most cases for\n      // \"captions and subtitles\" other locales use \"subtitles\"\n\n      _this.label_ = 'subtitles';\n\n      if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {\n        _this.label_ = 'captions';\n      }\n\n      _this.menuButton_.controlText(toTitleCase(_this.label_));\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = SubsCapsButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-subs-caps-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-subs-caps-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create caption/subtitles menu items\n     *\n     * @return {CaptionSettingsMenuItem[]}\n     *         The array of current menu items.\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {\n        items.push(new CaptionSettingsMenuItem(this.player_, {\n          kind: this.label_\n        }));\n        this.hideThreshold_ += 1;\n      }\n\n      items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);\n      return items;\n    };\n\n    return SubsCapsButton;\n  }(TextTrackButton);\n  /**\n   * `kind`s of TextTrack to look for to associate it with this menu.\n   *\n   * @type {array}\n   * @private\n   */\n\n\n  SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];\n  /**\n   * The text that should display over the `SubsCapsButton`s controls.\n   *\n   *\n   * @type {string}\n   * @private\n   */\n\n  SubsCapsButton.prototype.controlText_ = 'Subtitles';\n  Component.registerComponent('SubsCapsButton', SubsCapsButton);\n\n  /**\n   * An {@link AudioTrack} {@link MenuItem}\n   *\n   * @extends MenuItem\n   */\n\n  var AudioTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(AudioTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function AudioTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var tracks = player.audioTracks(); // Modify options for parent MenuItem class's init.\n\n      options.label = track.label || track.language || 'Unknown';\n      options.selected = track.enabled;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track;\n\n      _this.addClass(\"vjs-\" + track.kind + \"-menu-item\");\n\n      var changeHandler = function changeHandler() {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        _this.handleTracksChange.apply(assertThisInitialized(_this), args);\n      };\n\n      tracks.addEventListener('change', changeHandler);\n\n      _this.on('dispose', function () {\n        tracks.removeEventListener('change', changeHandler);\n      });\n\n      return _this;\n    }\n\n    var _proto = AudioTrackMenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      var innerHTML = \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label);\n\n      if (this.options_.track.kind === 'main-desc') {\n        innerHTML += \"\\n        <span aria-hidden=\\\"true\\\" class=\\\"vjs-icon-placeholder\\\"></span>\\n        <span class=\\\"vjs-control-text\\\"> \" + this.localize('Descriptions') + \"</span>\\n      \";\n      }\n\n      innerHTML += '</span>';\n\n      var el = _MenuItem.prototype.createEl.call(this, type, assign({\n        innerHTML: innerHTML\n      }, props), attrs);\n\n      return el;\n    }\n    /**\n     * This gets called when an `AudioTrackMenuItem is \"clicked\". See {@link ClickableComponent}\n     * for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var tracks = this.player_.audioTracks();\n\n      _MenuItem.prototype.handleClick.call(this, event);\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i];\n        track.enabled = track === this.track;\n      }\n    }\n    /**\n     * Handle any {@link AudioTrack} change.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link AudioTrackList#change} event that caused this to run.\n     *\n     * @listens AudioTrackList#change\n     */\n    ;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      this.selected(this.track.enabled);\n    };\n\n    return AudioTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);\n\n  /**\n   * The base class for buttons that toggle specific {@link AudioTrack} types.\n   *\n   * @extends TrackButton\n   */\n\n  var AudioTrackButton = /*#__PURE__*/function (_TrackButton) {\n    inheritsLoose(AudioTrackButton, _TrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function AudioTrackButton(player, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.tracks = player.audioTracks();\n      return _TrackButton.call(this, player, options) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = AudioTrackButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-audio-button \" + _TrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-audio-button \" + _TrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create a menu item for each audio track\n     *\n     * @param {AudioTrackMenuItem[]} [items=[]]\n     *        An array of existing menu items to use.\n     *\n     * @return {AudioTrackMenuItem[]}\n     *         An array of menu items\n     */\n    ;\n\n    _proto.createItems = function createItems(items) {\n      if (items === void 0) {\n        items = [];\n      }\n\n      // if there's only one audio track, there no point in showing it\n      this.hideThreshold_ = 1;\n      var tracks = this.player_.audioTracks();\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i];\n        items.push(new AudioTrackMenuItem(this.player_, {\n          track: track,\n          // MenuItem is selectable\n          selectable: true,\n          // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n          multiSelectable: false\n        }));\n      }\n\n      return items;\n    };\n\n    return AudioTrackButton;\n  }(TrackButton);\n  /**\n   * The text that should display over the `AudioTrackButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  AudioTrackButton.prototype.controlText_ = 'Audio Track';\n  Component.registerComponent('AudioTrackButton', AudioTrackButton);\n\n  /**\n   * The specific menu item type for selecting a playback rate.\n   *\n   * @extends MenuItem\n   */\n\n  var PlaybackRateMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(PlaybackRateMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlaybackRateMenuItem(player, options) {\n      var _this;\n\n      var label = options.rate;\n      var rate = parseFloat(label, 10); // Modify options for parent MenuItem class's init.\n\n      options.label = label;\n      options.selected = rate === 1;\n      options.selectable = true;\n      options.multiSelectable = false;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.label = label;\n      _this.rate = rate;\n\n      _this.on(player, 'ratechange', _this.update);\n\n      return _this;\n    }\n    /**\n     * This gets called when an `PlaybackRateMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = PlaybackRateMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      _MenuItem.prototype.handleClick.call(this);\n\n      this.player().playbackRate(this.rate);\n    }\n    /**\n     * Update the PlaybackRateMenuItem when the playbackrate changes.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `ratechange` event that caused this function to run.\n     *\n     * @listens Player#ratechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      this.selected(this.player().playbackRate() === this.rate);\n    };\n\n    return PlaybackRateMenuItem;\n  }(MenuItem);\n  /**\n   * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlaybackRateMenuItem.prototype.contentElType = 'button';\n  Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);\n\n  /**\n   * The component for controlling the playback rate.\n   *\n   * @extends MenuButton\n   */\n\n  var PlaybackRateMenuButton = /*#__PURE__*/function (_MenuButton) {\n    inheritsLoose(PlaybackRateMenuButton, _MenuButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlaybackRateMenuButton(player, options) {\n      var _this;\n\n      _this = _MenuButton.call(this, player, options) || this;\n\n      _this.updateVisibility();\n\n      _this.updateLabel();\n\n      _this.on(player, 'loadstart', _this.updateVisibility);\n\n      _this.on(player, 'ratechange', _this.updateLabel);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = PlaybackRateMenuButton.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _MenuButton.prototype.createEl.call(this);\n\n      this.labelEl_ = createEl('div', {\n        className: 'vjs-playback-rate-value',\n        innerHTML: '1x'\n      });\n      el.appendChild(this.labelEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.labelEl_ = null;\n\n      _MenuButton.prototype.dispose.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-playback-rate \" + _MenuButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-playback-rate \" + _MenuButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create the playback rate menu\n     *\n     * @return {Menu}\n     *         Menu object populated with {@link PlaybackRateMenuItem}s\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      var menu = new Menu(this.player());\n      var rates = this.playbackRates();\n\n      if (rates) {\n        for (var i = rates.length - 1; i >= 0; i--) {\n          menu.addChild(new PlaybackRateMenuItem(this.player(), {\n            rate: rates[i] + 'x'\n          }));\n        }\n      }\n\n      return menu;\n    }\n    /**\n     * Updates ARIA accessibility attributes\n     */\n    ;\n\n    _proto.updateARIAAttributes = function updateARIAAttributes() {\n      // Current playback rate\n      this.el().setAttribute('aria-valuenow', this.player().playbackRate());\n    }\n    /**\n     * This gets called when an `PlaybackRateMenuButton` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      // select next rate option\n      var currentRate = this.player().playbackRate();\n      var rates = this.playbackRates(); // this will select first one if the last one currently selected\n\n      var newRate = rates[0];\n\n      for (var i = 0; i < rates.length; i++) {\n        if (rates[i] > currentRate) {\n          newRate = rates[i];\n          break;\n        }\n      }\n\n      this.player().playbackRate(newRate);\n    }\n    /**\n     * Get possible playback rates\n     *\n     * @return {Array}\n     *         All possible playback rates\n     */\n    ;\n\n    _proto.playbackRates = function playbackRates() {\n      return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;\n    }\n    /**\n     * Get whether playback rates is supported by the tech\n     * and an array of playback rates exists\n     *\n     * @return {boolean}\n     *         Whether changing playback rate is supported\n     */\n    ;\n\n    _proto.playbackRateSupported = function playbackRateSupported() {\n      return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;\n    }\n    /**\n     * Hide playback rate controls when they're no playback rate options to select\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#loadstart\n     */\n    ;\n\n    _proto.updateVisibility = function updateVisibility(event) {\n      if (this.playbackRateSupported()) {\n        this.removeClass('vjs-hidden');\n      } else {\n        this.addClass('vjs-hidden');\n      }\n    }\n    /**\n     * Update button label when rate changed\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#ratechange\n     */\n    ;\n\n    _proto.updateLabel = function updateLabel(event) {\n      if (this.playbackRateSupported()) {\n        this.labelEl_.innerHTML = this.player().playbackRate() + 'x';\n      }\n    };\n\n    return PlaybackRateMenuButton;\n  }(MenuButton);\n  /**\n   * The text that should display over the `FullscreenToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';\n  Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);\n\n  /**\n   * Just an empty spacer element that can be used as an append point for plugins, etc.\n   * Also can be used to create space between elements when necessary.\n   *\n   * @extends Component\n   */\n\n  var Spacer = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Spacer, _Component);\n\n    function Spacer() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = Spacer.prototype;\n\n    /**\n    * Builds the default DOM `className`.\n    *\n    * @return {string}\n    *         The DOM `className` for this object.\n    */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-spacer \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildCSSClass()\n      });\n    };\n\n    return Spacer;\n  }(Component);\n\n  Component.registerComponent('Spacer', Spacer);\n\n  /**\n   * Spacer specifically meant to be used as an insertion point for new plugins, etc.\n   *\n   * @extends Spacer\n   */\n\n  var CustomControlSpacer = /*#__PURE__*/function (_Spacer) {\n    inheritsLoose(CustomControlSpacer, _Spacer);\n\n    function CustomControlSpacer() {\n      return _Spacer.apply(this, arguments) || this;\n    }\n\n    var _proto = CustomControlSpacer.prototype;\n\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-custom-control-spacer \" + _Spacer.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var el = _Spacer.prototype.createEl.call(this, {\n        className: this.buildCSSClass()\n      }); // No-flex/table-cell mode requires there be some content\n      // in the cell to fill the remaining space of the table.\n\n\n      el.innerHTML = \"\\xA0\";\n      return el;\n    };\n\n    return CustomControlSpacer;\n  }(Spacer);\n\n  Component.registerComponent('CustomControlSpacer', CustomControlSpacer);\n\n  /**\n   * Container of main controls.\n   *\n   * @extends Component\n   */\n\n  var ControlBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ControlBar, _Component);\n\n    function ControlBar() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = ControlBar.prototype;\n\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-control-bar',\n        dir: 'ltr'\n      });\n    };\n\n    return ControlBar;\n  }(Component);\n  /**\n   * Default options for `ControlBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ControlBar.prototype.options_ = {\n    children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'seekToLive', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']\n  };\n\n  if ('exitPictureInPicture' in document) {\n    ControlBar.prototype.options_.children.splice(ControlBar.prototype.options_.children.length - 1, 0, 'pictureInPictureToggle');\n  }\n\n  Component.registerComponent('ControlBar', ControlBar);\n\n  /**\n   * A display that indicates an error has occurred. This means that the video\n   * is unplayable.\n   *\n   * @extends ModalDialog\n   */\n\n  var ErrorDisplay = /*#__PURE__*/function (_ModalDialog) {\n    inheritsLoose(ErrorDisplay, _ModalDialog);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param  {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param  {Object} [options]\n     *         The key/value store of player options.\n     */\n    function ErrorDisplay(player, options) {\n      var _this;\n\n      _this = _ModalDialog.call(this, player, options) || this;\n\n      _this.on(player, 'error', _this.open);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     *\n     * @deprecated Since version 5.\n     */\n\n\n    var _proto = ErrorDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-error-display \" + _ModalDialog.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Gets the localized error message based on the `Player`s error.\n     *\n     * @return {string}\n     *         The `Player`s error message localized or an empty string.\n     */\n    ;\n\n    _proto.content = function content() {\n      var error = this.player().error();\n      return error ? this.localize(error.message) : '';\n    };\n\n    return ErrorDisplay;\n  }(ModalDialog);\n  /**\n   * The default options for an `ErrorDisplay`.\n   *\n   * @private\n   */\n\n\n  ErrorDisplay.prototype.options_ = _extends_1({}, ModalDialog.prototype.options_, {\n    pauseOnOpen: false,\n    fillAlways: true,\n    temporary: false,\n    uncloseable: true\n  });\n  Component.registerComponent('ErrorDisplay', ErrorDisplay);\n\n  var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';\n  var COLOR_BLACK = ['#000', 'Black'];\n  var COLOR_BLUE = ['#00F', 'Blue'];\n  var COLOR_CYAN = ['#0FF', 'Cyan'];\n  var COLOR_GREEN = ['#0F0', 'Green'];\n  var COLOR_MAGENTA = ['#F0F', 'Magenta'];\n  var COLOR_RED = ['#F00', 'Red'];\n  var COLOR_WHITE = ['#FFF', 'White'];\n  var COLOR_YELLOW = ['#FF0', 'Yellow'];\n  var OPACITY_OPAQUE = ['1', 'Opaque'];\n  var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];\n  var OPACITY_TRANS = ['0', 'Transparent']; // Configuration for the various <select> elements in the DOM of this component.\n  //\n  // Possible keys include:\n  //\n  // `default`:\n  //   The default option index. Only needs to be provided if not zero.\n  // `parser`:\n  //   A function which is used to parse the value from the selected option in\n  //   a customized way.\n  // `selector`:\n  //   The selector used to find the associated <select> element.\n\n  var selectConfigs = {\n    backgroundColor: {\n      selector: '.vjs-bg-color > select',\n      id: 'captions-background-color-%s',\n      label: 'Color',\n      options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]\n    },\n    backgroundOpacity: {\n      selector: '.vjs-bg-opacity > select',\n      id: 'captions-background-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]\n    },\n    color: {\n      selector: '.vjs-fg-color > select',\n      id: 'captions-foreground-color-%s',\n      label: 'Color',\n      options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]\n    },\n    edgeStyle: {\n      selector: '.vjs-edge-style > select',\n      id: '%s',\n      label: 'Text Edge Style',\n      options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]\n    },\n    fontFamily: {\n      selector: '.vjs-font-family > select',\n      id: 'captions-font-family-%s',\n      label: 'Font Family',\n      options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]\n    },\n    fontPercent: {\n      selector: '.vjs-font-percent > select',\n      id: 'captions-font-size-%s',\n      label: 'Font Size',\n      options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],\n      \"default\": 2,\n      parser: function parser(v) {\n        return v === '1.00' ? null : Number(v);\n      }\n    },\n    textOpacity: {\n      selector: '.vjs-text-opacity > select',\n      id: 'captions-foreground-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_OPAQUE, OPACITY_SEMI]\n    },\n    // Options for this object are defined below.\n    windowColor: {\n      selector: '.vjs-window-color > select',\n      id: 'captions-window-color-%s',\n      label: 'Color'\n    },\n    // Options for this object are defined below.\n    windowOpacity: {\n      selector: '.vjs-window-opacity > select',\n      id: 'captions-window-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]\n    }\n  };\n  selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;\n  /**\n   * Get the actual value of an option.\n   *\n   * @param  {string} value\n   *         The value to get\n   *\n   * @param  {Function} [parser]\n   *         Optional function to adjust the value.\n   *\n   * @return {Mixed}\n   *         - Will be `undefined` if no value exists\n   *         - Will be `undefined` if the given value is \"none\".\n   *         - Will be the actual value otherwise.\n   *\n   * @private\n   */\n\n  function parseOptionValue(value, parser) {\n    if (parser) {\n      value = parser(value);\n    }\n\n    if (value && value !== 'none') {\n      return value;\n    }\n  }\n  /**\n   * Gets the value of the selected <option> element within a <select> element.\n   *\n   * @param  {Element} el\n   *         the element to look in\n   *\n   * @param  {Function} [parser]\n   *         Optional function to adjust the value.\n   *\n   * @return {Mixed}\n   *         - Will be `undefined` if no value exists\n   *         - Will be `undefined` if the given value is \"none\".\n   *         - Will be the actual value otherwise.\n   *\n   * @private\n   */\n\n\n  function getSelectedOptionValue(el, parser) {\n    var value = el.options[el.options.selectedIndex].value;\n    return parseOptionValue(value, parser);\n  }\n  /**\n   * Sets the selected <option> element within a <select> element based on a\n   * given value.\n   *\n   * @param {Element} el\n   *        The element to look in.\n   *\n   * @param {string} value\n   *        the property to look on.\n   *\n   * @param {Function} [parser]\n   *        Optional function to adjust the value before comparing.\n   *\n   * @private\n   */\n\n\n  function setSelectedOption(el, value, parser) {\n    if (!value) {\n      return;\n    }\n\n    for (var i = 0; i < el.options.length; i++) {\n      if (parseOptionValue(el.options[i].value, parser) === value) {\n        el.selectedIndex = i;\n        break;\n      }\n    }\n  }\n  /**\n   * Manipulate Text Tracks settings.\n   *\n   * @extends ModalDialog\n   */\n\n\n  var TextTrackSettings = /*#__PURE__*/function (_ModalDialog) {\n    inheritsLoose(TextTrackSettings, _ModalDialog);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *         The key/value store of player options.\n     */\n    function TextTrackSettings(player, options) {\n      var _this;\n\n      options.temporary = false;\n      _this = _ModalDialog.call(this, player, options) || this;\n      _this.updateDisplay = bind(assertThisInitialized(_this), _this.updateDisplay); // fill the modal and pretend we have opened it\n\n      _this.fill();\n\n      _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;\n      _this.endDialog = createEl('p', {\n        className: 'vjs-control-text',\n        textContent: _this.localize('End of dialog window.')\n      });\n\n      _this.el().appendChild(_this.endDialog);\n\n      _this.setDefaults(); // Grab `persistTextTrackSettings` from the player options if not passed in child options\n\n\n      if (options.persistTextTrackSettings === undefined) {\n        _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;\n      }\n\n      _this.on(_this.$('.vjs-done-button'), 'click', function () {\n        _this.saveSettings();\n\n        _this.close();\n      });\n\n      _this.on(_this.$('.vjs-default-button'), 'click', function () {\n        _this.setDefaults();\n\n        _this.updateDisplay();\n      });\n\n      each(selectConfigs, function (config) {\n        _this.on(_this.$(config.selector), 'change', _this.updateDisplay);\n      });\n\n      if (_this.options_.persistTextTrackSettings) {\n        _this.restoreSettings();\n      }\n\n      return _this;\n    }\n\n    var _proto = TextTrackSettings.prototype;\n\n    _proto.dispose = function dispose() {\n      this.endDialog = null;\n\n      _ModalDialog.prototype.dispose.call(this);\n    }\n    /**\n     * Create a <select> element with configured options.\n     *\n     * @param {string} key\n     *        Configuration key to use during creation.\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElSelect_ = function createElSelect_(key, legendId, type) {\n      var _this2 = this;\n\n      if (legendId === void 0) {\n        legendId = '';\n      }\n\n      if (type === void 0) {\n        type = 'label';\n      }\n\n      var config = selectConfigs[key];\n      var id = config.id.replace('%s', this.id_);\n      var selectLabelledbyIds = [legendId, id].join(' ').trim();\n      return [\"<\" + type + \" id=\\\"\" + id + \"\\\" class=\\\"\" + (type === 'label' ? 'vjs-label' : '') + \"\\\">\", this.localize(config.label), \"</\" + type + \">\", \"<select aria-labelledby=\\\"\" + selectLabelledbyIds + \"\\\">\"].concat(config.options.map(function (o) {\n        var optionId = id + '-' + o[1].replace(/\\W+/g, '');\n        return [\"<option id=\\\"\" + optionId + \"\\\" value=\\\"\" + o[0] + \"\\\" \", \"aria-labelledby=\\\"\" + selectLabelledbyIds + \" \" + optionId + \"\\\">\", _this2.localize(o[1]), '</option>'].join('');\n      })).concat('</select>').join('');\n    }\n    /**\n     * Create foreground color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElFgColor_ = function createElFgColor_() {\n      var legendId = \"captions-text-legend-\" + this.id_;\n      return ['<fieldset class=\"vjs-fg-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class=\"vjs-text-opacity vjs-opacity\">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create background color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElBgColor_ = function createElBgColor_() {\n      var legendId = \"captions-background-\" + this.id_;\n      return ['<fieldset class=\"vjs-bg-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class=\"vjs-bg-opacity vjs-opacity\">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create window color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElWinColor_ = function createElWinColor_() {\n      var legendId = \"captions-window-\" + this.id_;\n      return ['<fieldset class=\"vjs-window-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class=\"vjs-window-opacity vjs-opacity\">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create color elements for the component\n     *\n     * @return {Element}\n     *         The element that was created\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElColors_ = function createElColors_() {\n      return createEl('div', {\n        className: 'vjs-track-settings-colors',\n        innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')\n      });\n    }\n    /**\n     * Create font elements for the component\n     *\n     * @return {Element}\n     *         The element that was created.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElFont_ = function createElFont_() {\n      return createEl('div', {\n        className: 'vjs-track-settings-font',\n        innerHTML: ['<fieldset class=\"vjs-font-percent vjs-track-setting\">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class=\"vjs-edge-style vjs-track-setting\">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class=\"vjs-font-family vjs-track-setting\">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')\n      });\n    }\n    /**\n     * Create controls for the component\n     *\n     * @return {Element}\n     *         The element that was created.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElControls_ = function createElControls_() {\n      var defaultsDescription = this.localize('restore all settings to the default values');\n      return createEl('div', {\n        className: 'vjs-track-settings-controls',\n        innerHTML: [\"<button type=\\\"button\\\" class=\\\"vjs-default-button\\\" title=\\\"\" + defaultsDescription + \"\\\">\", this.localize('Reset'), \"<span class=\\\"vjs-control-text\\\"> \" + defaultsDescription + \"</span>\", '</button>', \"<button type=\\\"button\\\" class=\\\"vjs-done-button\\\">\" + this.localize('Done') + \"</button>\"].join('')\n      });\n    };\n\n    _proto.content = function content() {\n      return [this.createElColors_(), this.createElFont_(), this.createElControls_()];\n    };\n\n    _proto.label = function label() {\n      return this.localize('Caption Settings Dialog');\n    };\n\n    _proto.description = function description() {\n      return this.localize('Beginning of dialog window. Escape will cancel and close the window.');\n    };\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';\n    }\n    /**\n     * Gets an object of text track settings (or null).\n     *\n     * @return {Object}\n     *         An object with config values parsed from the DOM or localStorage.\n     */\n    ;\n\n    _proto.getValues = function getValues() {\n      var _this3 = this;\n\n      return reduce(selectConfigs, function (accum, config, key) {\n        var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);\n\n        if (value !== undefined) {\n          accum[key] = value;\n        }\n\n        return accum;\n      }, {});\n    }\n    /**\n     * Sets text track settings from an object of values.\n     *\n     * @param {Object} values\n     *        An object with config values parsed from the DOM or localStorage.\n     */\n    ;\n\n    _proto.setValues = function setValues(values) {\n      var _this4 = this;\n\n      each(selectConfigs, function (config, key) {\n        setSelectedOption(_this4.$(config.selector), values[key], config.parser);\n      });\n    }\n    /**\n     * Sets all `<select>` elements to their default values.\n     */\n    ;\n\n    _proto.setDefaults = function setDefaults() {\n      var _this5 = this;\n\n      each(selectConfigs, function (config) {\n        var index = config.hasOwnProperty('default') ? config[\"default\"] : 0;\n        _this5.$(config.selector).selectedIndex = index;\n      });\n    }\n    /**\n     * Restore texttrack settings from localStorage\n     */\n    ;\n\n    _proto.restoreSettings = function restoreSettings() {\n      var values;\n\n      try {\n        values = JSON.parse(window$3.localStorage.getItem(LOCAL_STORAGE_KEY));\n      } catch (err) {\n        log.warn(err);\n      }\n\n      if (values) {\n        this.setValues(values);\n      }\n    }\n    /**\n     * Save text track settings to localStorage\n     */\n    ;\n\n    _proto.saveSettings = function saveSettings() {\n      if (!this.options_.persistTextTrackSettings) {\n        return;\n      }\n\n      var values = this.getValues();\n\n      try {\n        if (Object.keys(values).length) {\n          window$3.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));\n        } else {\n          window$3.localStorage.removeItem(LOCAL_STORAGE_KEY);\n        }\n      } catch (err) {\n        log.warn(err);\n      }\n    }\n    /**\n     * Update display of text track settings\n     */\n    ;\n\n    _proto.updateDisplay = function updateDisplay() {\n      var ttDisplay = this.player_.getChild('textTrackDisplay');\n\n      if (ttDisplay) {\n        ttDisplay.updateDisplay();\n      }\n    }\n    /**\n     * conditionally blur the element and refocus the captions button\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalBlur_ = function conditionalBlur_() {\n      this.previouslyActiveEl_ = null;\n      var cb = this.player_.controlBar;\n      var subsCapsBtn = cb && cb.subsCapsButton;\n      var ccBtn = cb && cb.captionsButton;\n\n      if (subsCapsBtn) {\n        subsCapsBtn.focus();\n      } else if (ccBtn) {\n        ccBtn.focus();\n      }\n    };\n\n    return TextTrackSettings;\n  }(ModalDialog);\n\n  Component.registerComponent('TextTrackSettings', TextTrackSettings);\n\n  /**\n   * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.\n   *\n   * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.\n   *\n   * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.\n   * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.\n   * @example <caption>How to disable the resize manager</caption>\n   * const player = videojs('#vid', {\n   *   resizeManager: false\n   * });\n   *\n   * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}\n   *\n   * @extends Component\n   */\n\n  var ResizeManager = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ResizeManager, _Component);\n\n    /**\n     * Create the ResizeManager.\n     *\n     * @param {Object} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of ResizeManager options.\n     *\n     * @param {Object} [options.ResizeObserver]\n     *        A polyfill for ResizeObserver can be passed in here.\n     *        If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.\n     */\n    function ResizeManager(player, options) {\n      var _this;\n\n      var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window$3.ResizeObserver; // if `null` was passed, we want to disable the ResizeObserver\n\n      if (options.ResizeObserver === null) {\n        RESIZE_OBSERVER_AVAILABLE = false;\n      } // Only create an element when ResizeObserver isn't available\n\n\n      var options_ = mergeOptions({\n        createEl: !RESIZE_OBSERVER_AVAILABLE,\n        reportTouchActivity: false\n      }, options);\n      _this = _Component.call(this, player, options_) || this;\n      _this.ResizeObserver = options.ResizeObserver || window$3.ResizeObserver;\n      _this.loadListener_ = null;\n      _this.resizeObserver_ = null;\n      _this.debouncedHandler_ = debounce(function () {\n        _this.resizeHandler();\n      }, 100, false, assertThisInitialized(_this));\n\n      if (RESIZE_OBSERVER_AVAILABLE) {\n        _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);\n\n        _this.resizeObserver_.observe(player.el());\n      } else {\n        _this.loadListener_ = function () {\n          if (!_this.el_ || !_this.el_.contentWindow) {\n            return;\n          }\n\n          var debouncedHandler_ = _this.debouncedHandler_;\n\n          var unloadListener_ = _this.unloadListener_ = function () {\n            off(this, 'resize', debouncedHandler_);\n            off(this, 'unload', unloadListener_);\n            unloadListener_ = null;\n          }; // safari and edge can unload the iframe before resizemanager dispose\n          // we have to dispose of event handlers correctly before that happens\n\n\n          on(_this.el_.contentWindow, 'unload', unloadListener_);\n          on(_this.el_.contentWindow, 'resize', debouncedHandler_);\n        };\n\n        _this.one('load', _this.loadListener_);\n      }\n\n      return _this;\n    }\n\n    var _proto = ResizeManager.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'iframe', {\n        className: 'vjs-resize-manager',\n        tabIndex: -1\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver\n     *\n     * @fires Player#playerresize\n     */\n    ;\n\n    _proto.resizeHandler = function resizeHandler() {\n      /**\n       * Called when the player size has changed\n       *\n       * @event Player#playerresize\n       * @type {EventTarget~Event}\n       */\n      // make sure player is still around to trigger\n      // prevents this from causing an error after dispose\n      if (!this.player_ || !this.player_.trigger) {\n        return;\n      }\n\n      this.player_.trigger('playerresize');\n    };\n\n    _proto.dispose = function dispose() {\n      if (this.debouncedHandler_) {\n        this.debouncedHandler_.cancel();\n      }\n\n      if (this.resizeObserver_) {\n        if (this.player_.el()) {\n          this.resizeObserver_.unobserve(this.player_.el());\n        }\n\n        this.resizeObserver_.disconnect();\n      }\n\n      if (this.loadListener_) {\n        this.off('load', this.loadListener_);\n      }\n\n      if (this.el_ && this.el_.contentWindow && this.unloadListener_) {\n        this.unloadListener_.call(this.el_.contentWindow);\n      }\n\n      this.ResizeObserver = null;\n      this.resizeObserver = null;\n      this.debouncedHandler_ = null;\n      this.loadListener_ = null;\n\n      _Component.prototype.dispose.call(this);\n    };\n\n    return ResizeManager;\n  }(Component);\n\n  Component.registerComponent('ResizeManager', ResizeManager);\n\n  /**\n   * Computes the median of an array.\n   *\n   * @param {number[]} arr\n   *        Input array of numbers.\n   *\n   * @return {number}\n   *        Median value.\n   */\n  var median = function median(arr) {\n    var mid = Math.floor(arr.length / 2);\n    var sortedList = [].concat(arr).sort(function (a, b) {\n      return a - b;\n    });\n    return arr.length % 2 !== 0 ? sortedList[mid] : (sortedList[mid - 1] + sortedList[mid]) / 2;\n  };\n\n  var defaults = {\n    // Number of seconds of live window (seekableEnd - seekableStart) that\n    // a video needs to have before the liveui will be shown.\n    trackingThreshold: 30\n  };\n  /* track when we are at the live edge, and other helpers for live playback */\n\n  var LiveTracker = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LiveTracker, _Component);\n\n    function LiveTracker(player, options) {\n      var _this;\n\n      // LiveTracker does not need an element\n      var options_ = mergeOptions(defaults, options, {\n        createEl: false\n      });\n      _this = _Component.call(this, player, options_) || this;\n\n      _this.reset_();\n\n      _this.on(_this.player_, 'durationchange', _this.handleDurationchange); // we don't need to track live playback if the document is hidden,\n      // also, tracking when the document is hidden can\n      // cause the CPU to spike and eventually crash the page on IE11.\n\n\n      if (IE_VERSION && 'hidden' in document && 'visibilityState' in document) {\n        _this.on(document, 'visibilitychange', _this.handleVisibilityChange);\n      }\n\n      return _this;\n    }\n\n    var _proto = LiveTracker.prototype;\n\n    _proto.handleVisibilityChange = function handleVisibilityChange() {\n      if (this.player_.duration() !== Infinity) {\n        return;\n      }\n\n      if (document.hidden) {\n        this.stopTracking();\n      } else {\n        this.startTracking();\n      }\n    };\n\n    _proto.isBehind_ = function isBehind_() {\n      // don't report that we are behind until a timeupdate has been seen\n      if (!this.timeupdateSeen_) {\n        return false;\n      }\n\n      var liveCurrentTime = this.liveCurrentTime();\n      var currentTime = this.player_.currentTime(); // the live edge window is the amount of seconds away from live\n      // that a player can be, but still be considered live.\n      // we add 0.07 because the live tracking happens every 30ms\n      // and we want some wiggle room for short segment live playback\n\n      var liveEdgeWindow = this.seekableIncrement_ * 2 + 0.07; // on Android liveCurrentTime can bee Infinity, because seekableEnd\n      // can be Infinity, so we handle that case.\n\n      return liveCurrentTime !== Infinity && liveCurrentTime - liveEdgeWindow >= currentTime;\n    } // all the functionality for tracking when seek end changes\n    // and for tracking how far past seek end we should be\n    ;\n\n    _proto.trackLive_ = function trackLive_() {\n      this.pastSeekEnd_ = this.pastSeekEnd_;\n      var seekable = this.player_.seekable(); // skip undefined seekable\n\n      if (!seekable || !seekable.length) {\n        return;\n      }\n\n      var newSeekEnd = this.seekableEnd(); // we can only tell if we are behind live, when seekable changes\n      // once we detect that seekable has changed we check the new seek\n      // end against current time, with a fudge value of half a second.\n\n      if (newSeekEnd !== this.lastSeekEnd_) {\n        if (this.lastSeekEnd_) {\n          // we try to get the best fit value for the seeking increment\n          // variable from the last 12 values.\n          this.seekableIncrementList_ = this.seekableIncrementList_.slice(-11);\n          this.seekableIncrementList_.push(Math.abs(newSeekEnd - this.lastSeekEnd_));\n\n          if (this.seekableIncrementList_.length > 3) {\n            this.seekableIncrement_ = median(this.seekableIncrementList_);\n          }\n        }\n\n        this.pastSeekEnd_ = 0;\n        this.lastSeekEnd_ = newSeekEnd;\n        this.trigger('seekableendchange');\n      } // we should reset pastSeekEnd when the value\n      // is much higher than seeking increment.\n\n\n      if (this.pastSeekEnd() > this.seekableIncrement_ * 1.5) {\n        this.pastSeekEnd_ = 0;\n      } else {\n        this.pastSeekEnd_ = this.pastSeekEnd() + 0.03;\n      }\n\n      if (this.isBehind_() !== this.behindLiveEdge()) {\n        this.behindLiveEdge_ = this.isBehind_();\n        this.trigger('liveedgechange');\n      }\n    }\n    /**\n     * handle a durationchange event on the player\n     * and start/stop tracking accordingly.\n     */\n    ;\n\n    _proto.handleDurationchange = function handleDurationchange() {\n      if (this.player_.duration() === Infinity && this.liveWindow() >= this.options_.trackingThreshold) {\n        if (this.player_.options_.liveui) {\n          this.player_.addClass('vjs-liveui');\n        }\n\n        this.startTracking();\n      } else {\n        this.player_.removeClass('vjs-liveui');\n        this.stopTracking();\n      }\n    }\n    /**\n     * start tracking live playback\n     */\n    ;\n\n    _proto.startTracking = function startTracking() {\n      var _this2 = this;\n\n      if (this.isTracking()) {\n        return;\n      } // If we haven't seen a timeupdate, we need to check whether playback\n      // began before this component started tracking. This can happen commonly\n      // when using autoplay.\n\n\n      if (!this.timeupdateSeen_) {\n        this.timeupdateSeen_ = this.player_.hasStarted();\n      }\n\n      this.trackingInterval_ = this.setInterval(this.trackLive_, UPDATE_REFRESH_INTERVAL);\n      this.trackLive_();\n      this.on(this.player_, 'play', this.trackLive_);\n      this.on(this.player_, 'pause', this.trackLive_); // this is to prevent showing that we are not live\n      // before a video starts to play\n\n      if (!this.timeupdateSeen_) {\n        this.one(this.player_, 'play', this.handlePlay);\n\n        this.handleTimeupdate = function () {\n          _this2.timeupdateSeen_ = true;\n          _this2.handleTimeupdate = null;\n        };\n\n        this.one(this.player_, 'timeupdate', this.handleTimeupdate);\n      }\n    };\n\n    _proto.handlePlay = function handlePlay() {\n      this.one(this.player_, 'timeupdate', this.seekToLiveEdge);\n    }\n    /**\n     * Stop tracking, and set all internal variables to\n     * their initial value.\n     */\n    ;\n\n    _proto.reset_ = function reset_() {\n      this.pastSeekEnd_ = 0;\n      this.lastSeekEnd_ = null;\n      this.behindLiveEdge_ = null;\n      this.timeupdateSeen_ = false;\n      this.clearInterval(this.trackingInterval_);\n      this.trackingInterval_ = null;\n      this.seekableIncrement_ = 12;\n      this.seekableIncrementList_ = [];\n      this.off(this.player_, 'play', this.trackLive_);\n      this.off(this.player_, 'pause', this.trackLive_);\n      this.off(this.player_, 'play', this.handlePlay);\n      this.off(this.player_, 'timeupdate', this.seekToLiveEdge);\n\n      if (this.handleTimeupdate) {\n        this.off(this.player_, 'timeupdate', this.handleTimeupdate);\n        this.handleTimeupdate = null;\n      }\n    }\n    /**\n     * stop tracking live playback\n     */\n    ;\n\n    _proto.stopTracking = function stopTracking() {\n      if (!this.isTracking()) {\n        return;\n      }\n\n      this.reset_();\n    }\n    /**\n     * A helper to get the player seekable end\n     * so that we don't have to null check everywhere\n     */\n    ;\n\n    _proto.seekableEnd = function seekableEnd() {\n      var seekable = this.player_.seekable();\n      var seekableEnds = [];\n      var i = seekable ? seekable.length : 0;\n\n      while (i--) {\n        seekableEnds.push(seekable.end(i));\n      } // grab the furthest seekable end after sorting, or if there are none\n      // default to Infinity\n\n\n      return seekableEnds.length ? seekableEnds.sort()[seekableEnds.length - 1] : Infinity;\n    }\n    /**\n     * A helper to get the player seekable start\n     * so that we don't have to null check everywhere\n     */\n    ;\n\n    _proto.seekableStart = function seekableStart() {\n      var seekable = this.player_.seekable();\n      var seekableStarts = [];\n      var i = seekable ? seekable.length : 0;\n\n      while (i--) {\n        seekableStarts.push(seekable.start(i));\n      } // grab the first seekable start after sorting, or if there are none\n      // default to 0\n\n\n      return seekableStarts.length ? seekableStarts.sort()[0] : 0;\n    }\n    /**\n     * Get the live time window\n     */\n    ;\n\n    _proto.liveWindow = function liveWindow() {\n      var liveCurrentTime = this.liveCurrentTime();\n\n      if (liveCurrentTime === Infinity) {\n        return Infinity;\n      }\n\n      return liveCurrentTime - this.seekableStart();\n    }\n    /**\n     * Determines if the player is live, only checks if this component\n     * is tracking live playback or not\n     */\n    ;\n\n    _proto.isLive = function isLive() {\n      return this.isTracking();\n    }\n    /**\n     * Determines if currentTime is at the live edge and won't fall behind\n     * on each seekableendchange\n     */\n    ;\n\n    _proto.atLiveEdge = function atLiveEdge() {\n      return !this.behindLiveEdge();\n    }\n    /**\n     * get what we expect the live current time to be\n     */\n    ;\n\n    _proto.liveCurrentTime = function liveCurrentTime() {\n      return this.pastSeekEnd() + this.seekableEnd();\n    }\n    /**\n     * Returns how far past seek end we expect current time to be\n     */\n    ;\n\n    _proto.pastSeekEnd = function pastSeekEnd() {\n      return this.pastSeekEnd_;\n    }\n    /**\n     * If we are currently behind the live edge, aka currentTime will be\n     * behind on a seekableendchange\n     */\n    ;\n\n    _proto.behindLiveEdge = function behindLiveEdge() {\n      return this.behindLiveEdge_;\n    };\n\n    _proto.isTracking = function isTracking() {\n      return typeof this.trackingInterval_ === 'number';\n    }\n    /**\n     * Seek to the live edge if we are behind the live edge\n     */\n    ;\n\n    _proto.seekToLiveEdge = function seekToLiveEdge() {\n      if (this.atLiveEdge()) {\n        return;\n      }\n\n      this.player_.currentTime(this.liveCurrentTime());\n\n      if (this.player_.paused()) {\n        this.player_.play();\n      }\n    };\n\n    _proto.dispose = function dispose() {\n      this.stopTracking();\n\n      _Component.prototype.dispose.call(this);\n    };\n\n    return LiveTracker;\n  }(Component);\n\n  Component.registerComponent('LiveTracker', LiveTracker);\n\n  /**\n   * This function is used to fire a sourceset when there is something\n   * similar to `mediaEl.load()` being called. It will try to find the source via\n   * the `src` attribute and then the `<source>` elements. It will then fire `sourceset`\n   * with the source that was found or empty string if we cannot know. If it cannot\n   * find a source then `sourceset` will not be fired.\n   *\n   * @param {Html5} tech\n   *        The tech object that sourceset was setup on\n   *\n   * @return {boolean}\n   *         returns false if the sourceset was not fired and true otherwise.\n   */\n\n  var sourcesetLoad = function sourcesetLoad(tech) {\n    var el = tech.el(); // if `el.src` is set, that source will be loaded.\n\n    if (el.hasAttribute('src')) {\n      tech.triggerSourceset(el.src);\n      return true;\n    }\n    /**\n     * Since there isn't a src property on the media element, source elements will be used for\n     * implementing the source selection algorithm. This happens asynchronously and\n     * for most cases were there is more than one source we cannot tell what source will\n     * be loaded, without re-implementing the source selection algorithm. At this time we are not\n     * going to do that. There are three special cases that we do handle here though:\n     *\n     * 1. If there are no sources, do not fire `sourceset`.\n     * 2. If there is only one `<source>` with a `src` property/attribute that is our `src`\n     * 3. If there is more than one `<source>` but all of them have the same `src` url.\n     *    That will be our src.\n     */\n\n\n    var sources = tech.$$('source');\n    var srcUrls = [];\n    var src = ''; // if there are no sources, do not fire sourceset\n\n    if (!sources.length) {\n      return false;\n    } // only count valid/non-duplicate source elements\n\n\n    for (var i = 0; i < sources.length; i++) {\n      var url = sources[i].src;\n\n      if (url && srcUrls.indexOf(url) === -1) {\n        srcUrls.push(url);\n      }\n    } // there were no valid sources\n\n\n    if (!srcUrls.length) {\n      return false;\n    } // there is only one valid source element url\n    // use that\n\n\n    if (srcUrls.length === 1) {\n      src = srcUrls[0];\n    }\n\n    tech.triggerSourceset(src);\n    return true;\n  };\n  /**\n   * our implementation of an `innerHTML` descriptor for browsers\n   * that do not have one.\n   */\n\n\n  var innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', {\n    get: function get() {\n      return this.cloneNode(true).innerHTML;\n    },\n    set: function set(v) {\n      // make a dummy node to use innerHTML on\n      var dummy = document.createElement(this.nodeName.toLowerCase()); // set innerHTML to the value provided\n\n      dummy.innerHTML = v; // make a document fragment to hold the nodes from dummy\n\n      var docFrag = document.createDocumentFragment(); // copy all of the nodes created by the innerHTML on dummy\n      // to the document fragment\n\n      while (dummy.childNodes.length) {\n        docFrag.appendChild(dummy.childNodes[0]);\n      } // remove content\n\n\n      this.innerText = ''; // now we add all of that html in one by appending the\n      // document fragment. This is how innerHTML does it.\n\n      window$3.Element.prototype.appendChild.call(this, docFrag); // then return the result that innerHTML's setter would\n\n      return this.innerHTML;\n    }\n  });\n  /**\n   * Get a property descriptor given a list of priorities and the\n   * property to get.\n   */\n\n  var getDescriptor = function getDescriptor(priority, prop) {\n    var descriptor = {};\n\n    for (var i = 0; i < priority.length; i++) {\n      descriptor = Object.getOwnPropertyDescriptor(priority[i], prop);\n\n      if (descriptor && descriptor.set && descriptor.get) {\n        break;\n      }\n    }\n\n    descriptor.enumerable = true;\n    descriptor.configurable = true;\n    return descriptor;\n  };\n\n  var getInnerHTMLDescriptor = function getInnerHTMLDescriptor(tech) {\n    return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, window$3.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML');\n  };\n  /**\n   * Patches browser internal functions so that we can tell synchronously\n   * if a `<source>` was appended to the media element. For some reason this\n   * causes a `sourceset` if the the media element is ready and has no source.\n   * This happens when:\n   * - The page has just loaded and the media element does not have a source.\n   * - The media element was emptied of all sources, then `load()` was called.\n   *\n   * It does this by patching the following functions/properties when they are supported:\n   *\n   * - `append()` - can be used to add a `<source>` element to the media element\n   * - `appendChild()` - can be used to add a `<source>` element to the media element\n   * - `insertAdjacentHTML()` -  can be used to add a `<source>` element to the media element\n   * - `innerHTML` -  can be used to add a `<source>` element to the media element\n   *\n   * @param {Html5} tech\n   *        The tech object that sourceset is being setup on.\n   */\n\n\n  var firstSourceWatch = function firstSourceWatch(tech) {\n    var el = tech.el(); // make sure firstSourceWatch isn't setup twice.\n\n    if (el.resetSourceWatch_) {\n      return;\n    }\n\n    var old = {};\n    var innerDescriptor = getInnerHTMLDescriptor(tech);\n\n    var appendWrapper = function appendWrapper(appendFn) {\n      return function () {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        var retval = appendFn.apply(el, args);\n        sourcesetLoad(tech);\n        return retval;\n      };\n    };\n\n    ['append', 'appendChild', 'insertAdjacentHTML'].forEach(function (k) {\n      if (!el[k]) {\n        return;\n      } // store the old function\n\n\n      old[k] = el[k]; // call the old function with a sourceset if a source\n      // was loaded\n\n      el[k] = appendWrapper(old[k]);\n    });\n    Object.defineProperty(el, 'innerHTML', mergeOptions(innerDescriptor, {\n      set: appendWrapper(innerDescriptor.set)\n    }));\n\n    el.resetSourceWatch_ = function () {\n      el.resetSourceWatch_ = null;\n      Object.keys(old).forEach(function (k) {\n        el[k] = old[k];\n      });\n      Object.defineProperty(el, 'innerHTML', innerDescriptor);\n    }; // on the first sourceset, we need to revert our changes\n\n\n    tech.one('sourceset', el.resetSourceWatch_);\n  };\n  /**\n   * our implementation of a `src` descriptor for browsers\n   * that do not have one.\n   */\n\n\n  var srcDescriptorPolyfill = Object.defineProperty({}, 'src', {\n    get: function get() {\n      if (this.hasAttribute('src')) {\n        return getAbsoluteURL(window$3.Element.prototype.getAttribute.call(this, 'src'));\n      }\n\n      return '';\n    },\n    set: function set(v) {\n      window$3.Element.prototype.setAttribute.call(this, 'src', v);\n      return v;\n    }\n  });\n\n  var getSrcDescriptor = function getSrcDescriptor(tech) {\n    return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src');\n  };\n  /**\n   * setup `sourceset` handling on the `Html5` tech. This function\n   * patches the following element properties/functions:\n   *\n   * - `src` - to determine when `src` is set\n   * - `setAttribute()` - to determine when `src` is set\n   * - `load()` - this re-triggers the source selection algorithm, and can\n   *              cause a sourceset.\n   *\n   * If there is no source when we are adding `sourceset` support or during a `load()`\n   * we also patch the functions listed in `firstSourceWatch`.\n   *\n   * @param {Html5} tech\n   *        The tech to patch\n   */\n\n\n  var setupSourceset = function setupSourceset(tech) {\n    if (!tech.featuresSourceset) {\n      return;\n    }\n\n    var el = tech.el(); // make sure sourceset isn't setup twice.\n\n    if (el.resetSourceset_) {\n      return;\n    }\n\n    var srcDescriptor = getSrcDescriptor(tech);\n    var oldSetAttribute = el.setAttribute;\n    var oldLoad = el.load;\n    Object.defineProperty(el, 'src', mergeOptions(srcDescriptor, {\n      set: function set(v) {\n        var retval = srcDescriptor.set.call(el, v); // we use the getter here to get the actual value set on src\n\n        tech.triggerSourceset(el.src);\n        return retval;\n      }\n    }));\n\n    el.setAttribute = function (n, v) {\n      var retval = oldSetAttribute.call(el, n, v);\n\n      if (/src/i.test(n)) {\n        tech.triggerSourceset(el.src);\n      }\n\n      return retval;\n    };\n\n    el.load = function () {\n      var retval = oldLoad.call(el); // if load was called, but there was no source to fire\n      // sourceset on. We have to watch for a source append\n      // as that can trigger a `sourceset` when the media element\n      // has no source\n\n      if (!sourcesetLoad(tech)) {\n        tech.triggerSourceset('');\n        firstSourceWatch(tech);\n      }\n\n      return retval;\n    };\n\n    if (el.currentSrc) {\n      tech.triggerSourceset(el.currentSrc);\n    } else if (!sourcesetLoad(tech)) {\n      firstSourceWatch(tech);\n    }\n\n    el.resetSourceset_ = function () {\n      el.resetSourceset_ = null;\n      el.load = oldLoad;\n      el.setAttribute = oldSetAttribute;\n      Object.defineProperty(el, 'src', srcDescriptor);\n\n      if (el.resetSourceWatch_) {\n        el.resetSourceWatch_();\n      }\n    };\n  };\n\n  /**\n   * Object.defineProperty but \"lazy\", which means that the value is only set after\n   * it retrieved the first time, rather than being set right away.\n   *\n   * @param {Object} obj the object to set the property on\n   * @param {string} key the key for the property to set\n   * @param {Function} getValue the function used to get the value when it is needed.\n   * @param {boolean} setter wether a setter shoould be allowed or not\n   */\n  var defineLazyProperty = function defineLazyProperty(obj, key, getValue, setter) {\n    if (setter === void 0) {\n      setter = true;\n    }\n\n    var set = function set(value) {\n      return Object.defineProperty(obj, key, {\n        value: value,\n        enumerable: true,\n        writable: true\n      });\n    };\n\n    var options = {\n      configurable: true,\n      enumerable: true,\n      get: function get() {\n        var value = getValue();\n        set(value);\n        return value;\n      }\n    };\n\n    if (setter) {\n      options.set = set;\n    }\n\n    return Object.defineProperty(obj, key, options);\n  };\n\n  /**\n   * HTML5 Media Controller - Wrapper for HTML5 Media API\n   *\n   * @mixes Tech~SourceHandlerAdditions\n   * @extends Tech\n   */\n\n  var Html5 = /*#__PURE__*/function (_Tech) {\n    inheritsLoose(Html5, _Tech);\n\n    /**\n    * Create an instance of this Tech.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    *\n    * @param {Component~ReadyCallback} ready\n    *        Callback function to call when the `HTML5` Tech is ready.\n    */\n    function Html5(options, ready) {\n      var _this;\n\n      _this = _Tech.call(this, options, ready) || this;\n      var source = options.source;\n      var crossoriginTracks = false; // Set the source if one is provided\n      // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)\n      // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source\n      // anyway so the error gets fired.\n\n      if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {\n        _this.setSource(source);\n      } else {\n        _this.handleLateInit_(_this.el_);\n      } // setup sourceset after late sourceset/init\n\n\n      if (options.enableSourceset) {\n        _this.setupSourcesetHandling_();\n      }\n\n      if (_this.el_.hasChildNodes()) {\n        var nodes = _this.el_.childNodes;\n        var nodesLength = nodes.length;\n        var removeNodes = [];\n\n        while (nodesLength--) {\n          var node = nodes[nodesLength];\n          var nodeName = node.nodeName.toLowerCase();\n\n          if (nodeName === 'track') {\n            if (!_this.featuresNativeTextTracks) {\n              // Empty video tag tracks so the built-in player doesn't use them also.\n              // This may not be fast enough to stop HTML5 browsers from reading the tags\n              // so we'll need to turn off any default tracks if we're manually doing\n              // captions and subtitles. videoElement.textTracks\n              removeNodes.push(node);\n            } else {\n              // store HTMLTrackElement and TextTrack to remote list\n              _this.remoteTextTrackEls().addTrackElement_(node);\n\n              _this.remoteTextTracks().addTrack(node.track);\n\n              _this.textTracks().addTrack(node.track);\n\n              if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {\n                crossoriginTracks = true;\n              }\n            }\n          }\n        }\n\n        for (var i = 0; i < removeNodes.length; i++) {\n          _this.el_.removeChild(removeNodes[i]);\n        }\n      }\n\n      _this.proxyNativeTracks_();\n\n      if (_this.featuresNativeTextTracks && crossoriginTracks) {\n        log.warn('Text Tracks are being loaded from another origin but the crossorigin attribute isn\\'t used.\\n' + 'This may prevent text tracks from loading.');\n      } // prevent iOS Safari from disabling metadata text tracks during native playback\n\n\n      _this.restoreMetadataTracksInIOSNativePlayer_(); // Determine if native controls should be used\n      // Our goal should be to get the custom controls on mobile solid everywhere\n      // so we can remove this all together. Right now this will block custom\n      // controls on touch enabled laptops like the Chrome Pixel\n\n\n      if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {\n        _this.setControls(true);\n      } // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`\n      // into a `fullscreenchange` event\n\n\n      _this.proxyWebkitFullscreen_();\n\n      _this.triggerReady();\n\n      return _this;\n    }\n    /**\n     * Dispose of `HTML5` media element and remove all tracks.\n     */\n\n\n    var _proto = Html5.prototype;\n\n    _proto.dispose = function dispose() {\n      if (this.el_ && this.el_.resetSourceset_) {\n        this.el_.resetSourceset_();\n      }\n\n      Html5.disposeMediaElement(this.el_);\n      this.options_ = null; // tech will handle clearing of the emulated track list\n\n      _Tech.prototype.dispose.call(this);\n    }\n    /**\n     * Modify the media element so that we can detect when\n     * the source is changed. Fires `sourceset` just after the source has changed\n     */\n    ;\n\n    _proto.setupSourcesetHandling_ = function setupSourcesetHandling_() {\n      setupSourceset(this);\n    }\n    /**\n     * When a captions track is enabled in the iOS Safari native player, all other\n     * tracks are disabled (including metadata tracks), which nulls all of their\n     * associated cue points. This will restore metadata tracks to their pre-fullscreen\n     * state in those cases so that cue points are not needlessly lost.\n     *\n     * @private\n     */\n    ;\n\n    _proto.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {\n      var textTracks = this.textTracks();\n      var metadataTracksPreFullscreenState; // captures a snapshot of every metadata track's current state\n\n      var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {\n        metadataTracksPreFullscreenState = [];\n\n        for (var i = 0; i < textTracks.length; i++) {\n          var track = textTracks[i];\n\n          if (track.kind === 'metadata') {\n            metadataTracksPreFullscreenState.push({\n              track: track,\n              storedMode: track.mode\n            });\n          }\n        }\n      }; // snapshot each metadata track's initial state, and update the snapshot\n      // each time there is a track 'change' event\n\n\n      takeMetadataTrackSnapshot();\n      textTracks.addEventListener('change', takeMetadataTrackSnapshot);\n      this.on('dispose', function () {\n        return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);\n      });\n\n      var restoreTrackMode = function restoreTrackMode() {\n        for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {\n          var storedTrack = metadataTracksPreFullscreenState[i];\n\n          if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {\n            storedTrack.track.mode = storedTrack.storedMode;\n          }\n        } // we only want this handler to be executed on the first 'change' event\n\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n      }; // when we enter fullscreen playback, stop updating the snapshot and\n      // restore all track modes to their pre-fullscreen state\n\n\n      this.on('webkitbeginfullscreen', function () {\n        textTracks.removeEventListener('change', takeMetadataTrackSnapshot); // remove the listener before adding it just in case it wasn't previously removed\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n        textTracks.addEventListener('change', restoreTrackMode);\n      }); // start updating the snapshot again after leaving fullscreen\n\n      this.on('webkitendfullscreen', function () {\n        // remove the listener before adding it just in case it wasn't previously removed\n        textTracks.removeEventListener('change', takeMetadataTrackSnapshot);\n        textTracks.addEventListener('change', takeMetadataTrackSnapshot); // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n      });\n    }\n    /**\n     * Attempt to force override of tracks for the given type\n     *\n     * @param {string} type - Track type to override, possible values include 'Audio',\n     * 'Video', and 'Text'.\n     * @param {boolean} override - If set to true native audio/video will be overridden,\n     * otherwise native audio/video will potentially be used.\n     * @private\n     */\n    ;\n\n    _proto.overrideNative_ = function overrideNative_(type, override) {\n      var _this2 = this;\n\n      // If there is no behavioral change don't add/remove listeners\n      if (override !== this[\"featuresNative\" + type + \"Tracks\"]) {\n        return;\n      }\n\n      var lowerCaseType = type.toLowerCase();\n\n      if (this[lowerCaseType + \"TracksListeners_\"]) {\n        Object.keys(this[lowerCaseType + \"TracksListeners_\"]).forEach(function (eventName) {\n          var elTracks = _this2.el()[lowerCaseType + \"Tracks\"];\n\n          elTracks.removeEventListener(eventName, _this2[lowerCaseType + \"TracksListeners_\"][eventName]);\n        });\n      }\n\n      this[\"featuresNative\" + type + \"Tracks\"] = !override;\n      this[lowerCaseType + \"TracksListeners_\"] = null;\n      this.proxyNativeTracksForType_(lowerCaseType);\n    }\n    /**\n     * Attempt to force override of native audio tracks.\n     *\n     * @param {boolean} override - If set to true native audio will be overridden,\n     * otherwise native audio will potentially be used.\n     */\n    ;\n\n    _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks(override) {\n      this.overrideNative_('Audio', override);\n    }\n    /**\n     * Attempt to force override of native video tracks.\n     *\n     * @param {boolean} override - If set to true native video will be overridden,\n     * otherwise native video will potentially be used.\n     */\n    ;\n\n    _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks(override) {\n      this.overrideNative_('Video', override);\n    }\n    /**\n     * Proxy native track list events for the given type to our track\n     * lists if the browser we are playing in supports that type of track list.\n     *\n     * @param {string} name - Track type; values include 'audio', 'video', and 'text'\n     * @private\n     */\n    ;\n\n    _proto.proxyNativeTracksForType_ = function proxyNativeTracksForType_(name) {\n      var _this3 = this;\n\n      var props = NORMAL[name];\n      var elTracks = this.el()[props.getterName];\n      var techTracks = this[props.getterName]();\n\n      if (!this[\"featuresNative\" + props.capitalName + \"Tracks\"] || !elTracks || !elTracks.addEventListener) {\n        return;\n      }\n\n      var listeners = {\n        change: function change(e) {\n          var event = {\n            type: 'change',\n            target: techTracks,\n            currentTarget: techTracks,\n            srcElement: techTracks\n          };\n          techTracks.trigger(event); // if we are a text track change event, we should also notify the\n          // remote text track list. This can potentially cause a false positive\n          // if we were to get a change event on a non-remote track and\n          // we triggered the event on the remote text track list which doesn't\n          // contain that track. However, best practices mean looping through the\n          // list of tracks and searching for the appropriate mode value, so,\n          // this shouldn't pose an issue\n\n          if (name === 'text') {\n            _this3[REMOTE.remoteText.getterName]().trigger(event);\n          }\n        },\n        addtrack: function addtrack(e) {\n          techTracks.addTrack(e.track);\n        },\n        removetrack: function removetrack(e) {\n          techTracks.removeTrack(e.track);\n        }\n      };\n\n      var removeOldTracks = function removeOldTracks() {\n        var removeTracks = [];\n\n        for (var i = 0; i < techTracks.length; i++) {\n          var found = false;\n\n          for (var j = 0; j < elTracks.length; j++) {\n            if (elTracks[j] === techTracks[i]) {\n              found = true;\n              break;\n            }\n          }\n\n          if (!found) {\n            removeTracks.push(techTracks[i]);\n          }\n        }\n\n        while (removeTracks.length) {\n          techTracks.removeTrack(removeTracks.shift());\n        }\n      };\n\n      this[props.getterName + 'Listeners_'] = listeners;\n      Object.keys(listeners).forEach(function (eventName) {\n        var listener = listeners[eventName];\n        elTracks.addEventListener(eventName, listener);\n\n        _this3.on('dispose', function (e) {\n          return elTracks.removeEventListener(eventName, listener);\n        });\n      }); // Remove (native) tracks that are not used anymore\n\n      this.on('loadstart', removeOldTracks);\n      this.on('dispose', function (e) {\n        return _this3.off('loadstart', removeOldTracks);\n      });\n    }\n    /**\n     * Proxy all native track list events to our track lists if the browser we are playing\n     * in supports that type of track list.\n     *\n     * @private\n     */\n    ;\n\n    _proto.proxyNativeTracks_ = function proxyNativeTracks_() {\n      var _this4 = this;\n\n      NORMAL.names.forEach(function (name) {\n        _this4.proxyNativeTracksForType_(name);\n      });\n    }\n    /**\n     * Create the `Html5` Tech's DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var el = this.options_.tag; // Check if this browser supports moving the element into the box.\n      // On the iPhone video will break if you move the element,\n      // So we have to create a brand new element.\n      // If we ingested the player div, we do not need to move the media element.\n\n      if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {\n        // If the original tag is still there, clone and remove it.\n        if (el) {\n          var clone = el.cloneNode(true);\n\n          if (el.parentNode) {\n            el.parentNode.insertBefore(clone, el);\n          }\n\n          Html5.disposeMediaElement(el);\n          el = clone;\n        } else {\n          el = document.createElement('video'); // determine if native controls should be used\n\n          var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);\n          var attributes = mergeOptions({}, tagAttributes);\n\n          if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {\n            delete attributes.controls;\n          }\n\n          setAttributes(el, assign(attributes, {\n            id: this.options_.techId,\n            \"class\": 'vjs-tech'\n          }));\n        }\n\n        el.playerId = this.options_.playerId;\n      }\n\n      if (typeof this.options_.preload !== 'undefined') {\n        setAttribute(el, 'preload', this.options_.preload);\n      } // Update specific tag settings, in case they were overridden\n      // `autoplay` has to be *last* so that `muted` and `playsinline` are present\n      // when iOS/Safari or other browsers attempt to autoplay.\n\n\n      var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];\n\n      for (var i = 0; i < settingsAttrs.length; i++) {\n        var attr = settingsAttrs[i];\n        var value = this.options_[attr];\n\n        if (typeof value !== 'undefined') {\n          if (value) {\n            setAttribute(el, attr, attr);\n          } else {\n            removeAttribute(el, attr);\n          }\n\n          el[attr] = value;\n        }\n      }\n\n      return el;\n    }\n    /**\n     * This will be triggered if the loadstart event has already fired, before videojs was\n     * ready. Two known examples of when this can happen are:\n     * 1. If we're loading the playback object after it has started loading\n     * 2. The media is already playing the (often with autoplay on) then\n     *\n     * This function will fire another loadstart so that videojs can catchup.\n     *\n     * @fires Tech#loadstart\n     *\n     * @return {undefined}\n     *         returns nothing.\n     */\n    ;\n\n    _proto.handleLateInit_ = function handleLateInit_(el) {\n      if (el.networkState === 0 || el.networkState === 3) {\n        // The video element hasn't started loading the source yet\n        // or didn't find a source\n        return;\n      }\n\n      if (el.readyState === 0) {\n        // NetworkState is set synchronously BUT loadstart is fired at the\n        // end of the current stack, usually before setInterval(fn, 0).\n        // So at this point we know loadstart may have already fired or is\n        // about to fire, and either way the player hasn't seen it yet.\n        // We don't want to fire loadstart prematurely here and cause a\n        // double loadstart so we'll wait and see if it happens between now\n        // and the next loop, and fire it if not.\n        // HOWEVER, we also want to make sure it fires before loadedmetadata\n        // which could also happen between now and the next loop, so we'll\n        // watch for that also.\n        var loadstartFired = false;\n\n        var setLoadstartFired = function setLoadstartFired() {\n          loadstartFired = true;\n        };\n\n        this.on('loadstart', setLoadstartFired);\n\n        var triggerLoadstart = function triggerLoadstart() {\n          // We did miss the original loadstart. Make sure the player\n          // sees loadstart before loadedmetadata\n          if (!loadstartFired) {\n            this.trigger('loadstart');\n          }\n        };\n\n        this.on('loadedmetadata', triggerLoadstart);\n        this.ready(function () {\n          this.off('loadstart', setLoadstartFired);\n          this.off('loadedmetadata', triggerLoadstart);\n\n          if (!loadstartFired) {\n            // We did miss the original native loadstart. Fire it now.\n            this.trigger('loadstart');\n          }\n        });\n        return;\n      } // From here on we know that loadstart already fired and we missed it.\n      // The other readyState events aren't as much of a problem if we double\n      // them, so not going to go to as much trouble as loadstart to prevent\n      // that unless we find reason to.\n\n\n      var eventsToTrigger = ['loadstart']; // loadedmetadata: newly equal to HAVE_METADATA (1) or greater\n\n      eventsToTrigger.push('loadedmetadata'); // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater\n\n      if (el.readyState >= 2) {\n        eventsToTrigger.push('loadeddata');\n      } // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater\n\n\n      if (el.readyState >= 3) {\n        eventsToTrigger.push('canplay');\n      } // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)\n\n\n      if (el.readyState >= 4) {\n        eventsToTrigger.push('canplaythrough');\n      } // We still need to give the player time to add event listeners\n\n\n      this.ready(function () {\n        eventsToTrigger.forEach(function (type) {\n          this.trigger(type);\n        }, this);\n      });\n    }\n    /**\n     * Set current time for the `HTML5` tech.\n     *\n     * @param {number} seconds\n     *        Set the current time of the media to this.\n     */\n    ;\n\n    _proto.setCurrentTime = function setCurrentTime(seconds) {\n      try {\n        this.el_.currentTime = seconds;\n      } catch (e) {\n        log(e, 'Video is not ready. (Video.js)'); // this.warning(VideoJS.warnings.videoNotReady);\n      }\n    }\n    /**\n     * Get the current duration of the HTML5 media element.\n     *\n     * @return {number}\n     *         The duration of the media or 0 if there is no duration.\n     */\n    ;\n\n    _proto.duration = function duration() {\n      var _this5 = this;\n\n      // Android Chrome will report duration as Infinity for VOD HLS until after\n      // playback has started, which triggers the live display erroneously.\n      // Return NaN if playback has not started and trigger a durationupdate once\n      // the duration can be reliably known.\n      if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {\n        // Wait for the first `timeupdate` with currentTime > 0 - there may be\n        // several with 0\n        var checkProgress = function checkProgress() {\n          if (_this5.el_.currentTime > 0) {\n            // Trigger durationchange for genuinely live video\n            if (_this5.el_.duration === Infinity) {\n              _this5.trigger('durationchange');\n            }\n\n            _this5.off('timeupdate', checkProgress);\n          }\n        };\n\n        this.on('timeupdate', checkProgress);\n        return NaN;\n      }\n\n      return this.el_.duration || NaN;\n    }\n    /**\n     * Get the current width of the HTML5 media element.\n     *\n     * @return {number}\n     *         The width of the HTML5 media element.\n     */\n    ;\n\n    _proto.width = function width() {\n      return this.el_.offsetWidth;\n    }\n    /**\n     * Get the current height of the HTML5 media element.\n     *\n     * @return {number}\n     *         The height of the HTML5 media element.\n     */\n    ;\n\n    _proto.height = function height() {\n      return this.el_.offsetHeight;\n    }\n    /**\n     * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into\n     * `fullscreenchange` event.\n     *\n     * @private\n     * @fires fullscreenchange\n     * @listens webkitendfullscreen\n     * @listens webkitbeginfullscreen\n     * @listens webkitbeginfullscreen\n     */\n    ;\n\n    _proto.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {\n      var _this6 = this;\n\n      if (!('webkitDisplayingFullscreen' in this.el_)) {\n        return;\n      }\n\n      var endFn = function endFn() {\n        this.trigger('fullscreenchange', {\n          isFullscreen: false\n        });\n      };\n\n      var beginFn = function beginFn() {\n        if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {\n          this.one('webkitendfullscreen', endFn);\n          this.trigger('fullscreenchange', {\n            isFullscreen: true\n          });\n        }\n      };\n\n      this.on('webkitbeginfullscreen', beginFn);\n      this.on('dispose', function () {\n        _this6.off('webkitbeginfullscreen', beginFn);\n\n        _this6.off('webkitendfullscreen', endFn);\n      });\n    }\n    /**\n     * Check if fullscreen is supported on the current playback device.\n     *\n     * @return {boolean}\n     *         - True if fullscreen is supported.\n     *         - False if fullscreen is not supported.\n     */\n    ;\n\n    _proto.supportsFullScreen = function supportsFullScreen() {\n      if (typeof this.el_.webkitEnterFullScreen === 'function') {\n        var userAgent = window$3.navigator && window$3.navigator.userAgent || ''; // Seems to be broken in Chromium/Chrome && Safari in Leopard\n\n        if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {\n          return true;\n        }\n      }\n\n      return false;\n    }\n    /**\n     * Request that the `HTML5` Tech enter fullscreen.\n     */\n    ;\n\n    _proto.enterFullScreen = function enterFullScreen() {\n      var video = this.el_;\n\n      if (video.paused && video.networkState <= video.HAVE_METADATA) {\n        // attempt to prime the video element for programmatic access\n        // this isn't necessary on the desktop but shouldn't hurt\n        this.el_.play(); // playing and pausing synchronously during the transition to fullscreen\n        // can get iOS ~6.1 devices into a play/pause loop\n\n        this.setTimeout(function () {\n          video.pause();\n          video.webkitEnterFullScreen();\n        }, 0);\n      } else {\n        video.webkitEnterFullScreen();\n      }\n    }\n    /**\n     * Request that the `HTML5` Tech exit fullscreen.\n     */\n    ;\n\n    _proto.exitFullScreen = function exitFullScreen() {\n      this.el_.webkitExitFullScreen();\n    }\n    /**\n     * Create a floating video window always on top of other windows so that users may\n     * continue consuming media while they interact with other content sites, or\n     * applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @return {Promise}\n     *         A promise with a Picture-in-Picture window.\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      return this.el_.requestPictureInPicture();\n    }\n    /**\n     * A getter/setter for the `Html5` Tech's source object.\n     * > Note: Please use {@link Html5#setSource}\n     *\n     * @param {Tech~SourceObject} [src]\n     *        The source object you want to set on the `HTML5` techs element.\n     *\n     * @return {Tech~SourceObject|undefined}\n     *         - The current source object when a source is not passed in.\n     *         - undefined when setting\n     *\n     * @deprecated Since version 5.\n     */\n    ;\n\n    _proto.src = function src(_src) {\n      if (_src === undefined) {\n        return this.el_.src;\n      } // Setting src through `src` instead of `setSrc` will be deprecated\n\n\n      this.setSrc(_src);\n    }\n    /**\n     * Reset the tech by removing all sources and then calling\n     * {@link Html5.resetMediaElement}.\n     */\n    ;\n\n    _proto.reset = function reset() {\n      Html5.resetMediaElement(this.el_);\n    }\n    /**\n     * Get the current source on the `HTML5` Tech. Falls back to returning the source from\n     * the HTML5 media element.\n     *\n     * @return {Tech~SourceObject}\n     *         The current source object from the HTML5 tech. With a fallback to the\n     *         elements source.\n     */\n    ;\n\n    _proto.currentSrc = function currentSrc() {\n      if (this.currentSource_) {\n        return this.currentSource_.src;\n      }\n\n      return this.el_.currentSrc;\n    }\n    /**\n     * Set controls attribute for the HTML5 media Element.\n     *\n     * @param {string} val\n     *        Value to set the controls attribute to\n     */\n    ;\n\n    _proto.setControls = function setControls(val) {\n      this.el_.controls = !!val;\n    }\n    /**\n     * Create and returns a remote {@link TextTrack} object.\n     *\n     * @param {string} kind\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n     *\n     * @param {string} [label]\n     *        Label to identify the text track\n     *\n     * @param {string} [language]\n     *        Two letter language abbreviation\n     *\n     * @return {TextTrack}\n     *         The TextTrack that gets created.\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (!this.featuresNativeTextTracks) {\n        return _Tech.prototype.addTextTrack.call(this, kind, label, language);\n      }\n\n      return this.el_.addTextTrack(kind, label, language);\n    }\n    /**\n     * Creates either native TextTrack or an emulated TextTrack depending\n     * on the value of `featuresNativeTextTracks`\n     *\n     * @param {Object} options\n     *        The object should contain the options to initialize the TextTrack with.\n     *\n     * @param {string} [options.kind]\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).\n     *\n     * @param {string} [options.label]\n     *        Label to identify the text track\n     *\n     * @param {string} [options.language]\n     *        Two letter language abbreviation.\n     *\n     * @param {boolean} [options.default]\n     *        Default this track to on.\n     *\n     * @param {string} [options.id]\n     *        The internal id to assign this track.\n     *\n     * @param {string} [options.src]\n     *        A source url for the track.\n     *\n     * @return {HTMLTrackElement}\n     *         The track element that gets created.\n     */\n    ;\n\n    _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {\n      if (!this.featuresNativeTextTracks) {\n        return _Tech.prototype.createRemoteTextTrack.call(this, options);\n      }\n\n      var htmlTrackElement = document.createElement('track');\n\n      if (options.kind) {\n        htmlTrackElement.kind = options.kind;\n      }\n\n      if (options.label) {\n        htmlTrackElement.label = options.label;\n      }\n\n      if (options.language || options.srclang) {\n        htmlTrackElement.srclang = options.language || options.srclang;\n      }\n\n      if (options[\"default\"]) {\n        htmlTrackElement[\"default\"] = options[\"default\"];\n      }\n\n      if (options.id) {\n        htmlTrackElement.id = options.id;\n      }\n\n      if (options.src) {\n        htmlTrackElement.src = options.src;\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Creates a remote text track object and returns an html track element.\n     *\n     * @param {Object} options The object should contain values for\n     * kind, language, label, and src (location of the WebVTT file)\n     * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be\n     * automatically removed from the video element whenever the source changes\n     * @return {HTMLTrackElement} An Html Track Element.\n     * This can be an emulated {@link HTMLTrackElement} or a native one.\n     * @deprecated The default value of the \"manualCleanup\" parameter will default\n     * to \"false\" in upcoming versions of Video.js\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);\n\n      if (this.featuresNativeTextTracks) {\n        this.el().appendChild(htmlTrackElement);\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Remove remote `TextTrack` from `TextTrackList` object\n     *\n     * @param {TextTrack} track\n     *        `TextTrack` object to remove\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {\n      _Tech.prototype.removeRemoteTextTrack.call(this, track);\n\n      if (this.featuresNativeTextTracks) {\n        var tracks = this.$$('track');\n        var i = tracks.length;\n\n        while (i--) {\n          if (track === tracks[i] || track === tracks[i].track) {\n            this.el().removeChild(tracks[i]);\n          }\n        }\n      }\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object}\n     *         An object with supported media playback quality metrics\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      if (typeof this.el().getVideoPlaybackQuality === 'function') {\n        return this.el().getVideoPlaybackQuality();\n      }\n\n      var videoPlaybackQuality = {};\n\n      if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {\n        videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;\n        videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;\n      }\n\n      if (window$3.performance && typeof window$3.performance.now === 'function') {\n        videoPlaybackQuality.creationTime = window$3.performance.now();\n      } else if (window$3.performance && window$3.performance.timing && typeof window$3.performance.timing.navigationStart === 'number') {\n        videoPlaybackQuality.creationTime = window$3.Date.now() - window$3.performance.timing.navigationStart;\n      }\n\n      return videoPlaybackQuality;\n    };\n\n    return Html5;\n  }(Tech);\n  /* HTML5 Support Testing ---------------------------------------------------- */\n\n  /**\n   * Element for testing browser HTML5 media capabilities\n   *\n   * @type {Element}\n   * @constant\n   * @private\n   */\n\n\n  defineLazyProperty(Html5, 'TEST_VID', function () {\n    if (!isReal()) {\n      return;\n    }\n\n    var video = document.createElement('video');\n    var track = document.createElement('track');\n    track.kind = 'captions';\n    track.srclang = 'en';\n    track.label = 'English';\n    video.appendChild(track);\n    return video;\n  });\n  /**\n   * Check if HTML5 media is supported by this browser/device.\n   *\n   * @return {boolean}\n   *         - True if HTML5 media is supported.\n   *         - False if HTML5 media is not supported.\n   */\n\n  Html5.isSupported = function () {\n    // IE with no Media Player is a LIAR! (#984)\n    try {\n      Html5.TEST_VID.volume = 0.5;\n    } catch (e) {\n      return false;\n    }\n\n    return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);\n  };\n  /**\n   * Check if the tech can support the given type\n   *\n   * @param {string} type\n   *        The mimetype to check\n   * @return {string} 'probably', 'maybe', or '' (empty string)\n   */\n\n\n  Html5.canPlayType = function (type) {\n    return Html5.TEST_VID.canPlayType(type);\n  };\n  /**\n   * Check if the tech can support the given source\n   *\n   * @param {Object} srcObj\n   *        The source object\n   * @param {Object} options\n   *        The options passed to the tech\n   * @return {string} 'probably', 'maybe', or '' (empty string)\n   */\n\n\n  Html5.canPlaySource = function (srcObj, options) {\n    return Html5.canPlayType(srcObj.type);\n  };\n  /**\n   * Check if the volume can be changed in this browser/device.\n   * Volume cannot be changed in a lot of mobile devices.\n   * Specifically, it can't be changed from 1 on iOS.\n   *\n   * @return {boolean}\n   *         - True if volume can be controlled\n   *         - False otherwise\n   */\n\n\n  Html5.canControlVolume = function () {\n    // IE will error if Windows Media Player not installed #3315\n    try {\n      var volume = Html5.TEST_VID.volume;\n      Html5.TEST_VID.volume = volume / 2 + 0.1;\n      return volume !== Html5.TEST_VID.volume;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if the volume can be muted in this browser/device.\n   * Some devices, e.g. iOS, don't allow changing volume\n   * but permits muting/unmuting.\n   *\n   * @return {bolean}\n   *      - True if volume can be muted\n   *      - False otherwise\n   */\n\n\n  Html5.canMuteVolume = function () {\n    try {\n      var muted = Html5.TEST_VID.muted; // in some versions of iOS muted property doesn't always\n      // work, so we want to set both property and attribute\n\n      Html5.TEST_VID.muted = !muted;\n\n      if (Html5.TEST_VID.muted) {\n        setAttribute(Html5.TEST_VID, 'muted', 'muted');\n      } else {\n        removeAttribute(Html5.TEST_VID, 'muted', 'muted');\n      }\n\n      return muted !== Html5.TEST_VID.muted;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if the playback rate can be changed in this browser/device.\n   *\n   * @return {boolean}\n   *         - True if playback rate can be controlled\n   *         - False otherwise\n   */\n\n\n  Html5.canControlPlaybackRate = function () {\n    // Playback rate API is implemented in Android Chrome, but doesn't do anything\n    // https://github.com/videojs/video.js/issues/3180\n    if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {\n      return false;\n    } // IE will error if Windows Media Player not installed #3315\n\n\n    try {\n      var playbackRate = Html5.TEST_VID.playbackRate;\n      Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;\n      return playbackRate !== Html5.TEST_VID.playbackRate;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if we can override a video/audio elements attributes, with\n   * Object.defineProperty.\n   *\n   * @return {boolean}\n   *         - True if builtin attributes can be overridden\n   *         - False otherwise\n   */\n\n\n  Html5.canOverrideAttributes = function () {\n    // if we cannot overwrite the src/innerHTML property, there is no support\n    // iOS 7 safari for instance cannot do this.\n    try {\n      var noop = function noop() {};\n\n      Object.defineProperty(document.createElement('video'), 'src', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('audio'), 'src', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('video'), 'innerHTML', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('audio'), 'innerHTML', {\n        get: noop,\n        set: noop\n      });\n    } catch (e) {\n      return false;\n    }\n\n    return true;\n  };\n  /**\n   * Check to see if native `TextTrack`s are supported by this browser/device.\n   *\n   * @return {boolean}\n   *         - True if native `TextTrack`s are supported.\n   *         - False otherwise\n   */\n\n\n  Html5.supportsNativeTextTracks = function () {\n    return IS_ANY_SAFARI || IS_IOS && IS_CHROME;\n  };\n  /**\n   * Check to see if native `VideoTrack`s are supported by this browser/device\n   *\n   * @return {boolean}\n   *        - True if native `VideoTrack`s are supported.\n   *        - False otherwise\n   */\n\n\n  Html5.supportsNativeVideoTracks = function () {\n    return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);\n  };\n  /**\n   * Check to see if native `AudioTrack`s are supported by this browser/device\n   *\n   * @return {boolean}\n   *        - True if native `AudioTrack`s are supported.\n   *        - False otherwise\n   */\n\n\n  Html5.supportsNativeAudioTracks = function () {\n    return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);\n  };\n  /**\n   * An array of events available on the Html5 tech.\n   *\n   * @private\n   * @type {Array}\n   */\n\n\n  Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];\n  /**\n   * Boolean indicating whether the `Tech` supports volume control.\n   *\n   * @type {boolean}\n   * @default {@link Html5.canControlVolume}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports muting volume.\n   *\n   * @type {bolean}\n   * @default {@link Html5.canMuteVolume}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports changing the speed at which the media\n   * plays. Examples:\n   *   - Set player to play 2x (twice) as fast\n   *   - Set player to play 0.5x (half) as fast\n   *\n   * @type {boolean}\n   * @default {@link Html5.canControlPlaybackRate}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports the `sourceset` event.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeTextTracks}\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeVideoTracks}\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeAudioTracks}\n   */\n\n  [['featuresVolumeControl', 'canControlVolume'], ['featuresMuteControl', 'canMuteVolume'], ['featuresPlaybackRate', 'canControlPlaybackRate'], ['featuresSourceset', 'canOverrideAttributes'], ['featuresNativeTextTracks', 'supportsNativeTextTracks'], ['featuresNativeVideoTracks', 'supportsNativeVideoTracks'], ['featuresNativeAudioTracks', 'supportsNativeAudioTracks']].forEach(function (_ref) {\n    var key = _ref[0],\n        fn = _ref[1];\n    defineLazyProperty(Html5.prototype, key, function () {\n      return Html5[fn]();\n    }, true);\n  });\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the media element\n   * moving in the DOM. iOS breaks if you move the media element, so this is set this to\n   * false there. Everywhere else this should be true.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.movingMediaElementInDOM = !IS_IOS; // TODO: Previous comment: No longer appears to be used. Can probably be removed.\n  //       Is this true?\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports automatic media resize\n   * when going into fullscreen.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.featuresFullscreenResize = true;\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the progress event.\n   * If this is false, manual `progress` events will be triggered instead.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.featuresProgressEvents = true;\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.\n   * If this is false, manual `timeupdate` events will be triggered instead.\n   *\n   * @default\n   */\n\n  Html5.prototype.featuresTimeupdateEvents = true; // HTML5 Feature detection and Device Fixes --------------------------------- //\n\n  var canPlayType;\n\n  Html5.patchCanPlayType = function () {\n    // Android 4.0 and above can play HLS to some extent but it reports being unable to do so\n    // Firefox and Chrome report correctly\n    if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {\n      canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;\n\n      Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {\n        var mpegurlRE = /^application\\/(?:x-|vnd\\.apple\\.)mpegurl/i;\n\n        if (type && mpegurlRE.test(type)) {\n          return 'maybe';\n        }\n\n        return canPlayType.call(this, type);\n      };\n    }\n  };\n\n  Html5.unpatchCanPlayType = function () {\n    var r = Html5.TEST_VID.constructor.prototype.canPlayType;\n\n    if (canPlayType) {\n      Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;\n    }\n\n    return r;\n  }; // by default, patch the media element\n\n\n  Html5.patchCanPlayType();\n\n  Html5.disposeMediaElement = function (el) {\n    if (!el) {\n      return;\n    }\n\n    if (el.parentNode) {\n      el.parentNode.removeChild(el);\n    } // remove any child track or source nodes to prevent their loading\n\n\n    while (el.hasChildNodes()) {\n      el.removeChild(el.firstChild);\n    } // remove any src reference. not setting `src=''` because that causes a warning\n    // in firefox\n\n\n    el.removeAttribute('src'); // force the media element to update its loading state by calling load()\n    // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)\n\n    if (typeof el.load === 'function') {\n      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)\n      (function () {\n        try {\n          el.load();\n        } catch (e) {// not supported\n        }\n      })();\n    }\n  };\n\n  Html5.resetMediaElement = function (el) {\n    if (!el) {\n      return;\n    }\n\n    var sources = el.querySelectorAll('source');\n    var i = sources.length;\n\n    while (i--) {\n      el.removeChild(sources[i]);\n    } // remove any src reference.\n    // not setting `src=''` because that throws an error\n\n\n    el.removeAttribute('src');\n\n    if (typeof el.load === 'function') {\n      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)\n      (function () {\n        try {\n          el.load();\n        } catch (e) {// satisfy linter\n        }\n      })();\n    }\n  };\n  /* Native HTML5 element property wrapping ----------------------------------- */\n  // Wrap native boolean attributes with getters that check both property and attribute\n  // The list is as followed:\n  // muted, defaultMuted, autoplay, controls, loop, playsinline\n\n\n  [\n  /**\n   * Get the value of `muted` from the media element. `muted` indicates\n   * that the volume for the media should be set to silent. This does not actually change\n   * the `volume` attribute.\n   *\n   * @method Html5#muted\n   * @return {boolean}\n   *         - True if the value of `volume` should be ignored and the audio set to silent.\n   *         - False if the value of `volume` should be used.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}\n   */\n  'muted',\n  /**\n   * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates\n   * whether the media should start muted or not. Only changes the default state of the\n   * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the\n   * current state.\n   *\n   * @method Html5#defaultMuted\n   * @return {boolean}\n   *         - The value of `defaultMuted` from the media element.\n   *         - True indicates that the media should start muted.\n   *         - False indicates that the media should not start muted\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}\n   */\n  'defaultMuted',\n  /**\n   * Get the value of `autoplay` from the media element. `autoplay` indicates\n   * that the media should start to play as soon as the page is ready.\n   *\n   * @method Html5#autoplay\n   * @return {boolean}\n   *         - The value of `autoplay` from the media element.\n   *         - True indicates that the media should start as soon as the page loads.\n   *         - False indicates that the media should not start as soon as the page loads.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}\n   */\n  'autoplay',\n  /**\n   * Get the value of `controls` from the media element. `controls` indicates\n   * whether the native media controls should be shown or hidden.\n   *\n   * @method Html5#controls\n   * @return {boolean}\n   *         - The value of `controls` from the media element.\n   *         - True indicates that native controls should be showing.\n   *         - False indicates that native controls should be hidden.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}\n   */\n  'controls',\n  /**\n   * Get the value of `loop` from the media element. `loop` indicates\n   * that the media should return to the start of the media and continue playing once\n   * it reaches the end.\n   *\n   * @method Html5#loop\n   * @return {boolean}\n   *         - The value of `loop` from the media element.\n   *         - True indicates that playback should seek back to start once\n   *           the end of a media is reached.\n   *         - False indicates that playback should not loop back to the start when the\n   *           end of the media is reached.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}\n   */\n  'loop',\n  /**\n   * Get the value of `playsinline` from the media element. `playsinline` indicates\n   * to the browser that non-fullscreen playback is preferred when fullscreen\n   * playback is the native default, such as in iOS Safari.\n   *\n   * @method Html5#playsinline\n   * @return {boolean}\n   *         - The value of `playsinline` from the media element.\n   *         - True indicates that the media should play inline.\n   *         - False indicates that the media should not play inline.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n   */\n  'playsinline'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop] || this.el_.hasAttribute(prop);\n    };\n  }); // Wrap native boolean attributes with setters that set both property and attribute\n  // The list is as followed:\n  // setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline\n  // setControls is special-cased above\n\n  [\n  /**\n   * Set the value of `muted` on the media element. `muted` indicates that the current\n   * audio level should be silent.\n   *\n   * @method Html5#setMuted\n   * @param {boolean} muted\n   *        - True if the audio should be set to silent\n   *        - False otherwise\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}\n   */\n  'muted',\n  /**\n   * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current\n   * audio level should be silent, but will only effect the muted level on intial playback..\n   *\n   * @method Html5.prototype.setDefaultMuted\n   * @param {boolean} defaultMuted\n   *        - True if the audio should be set to silent\n   *        - False otherwise\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}\n   */\n  'defaultMuted',\n  /**\n   * Set the value of `autoplay` on the media element. `autoplay` indicates\n   * that the media should start to play as soon as the page is ready.\n   *\n   * @method Html5#setAutoplay\n   * @param {boolean} autoplay\n   *         - True indicates that the media should start as soon as the page loads.\n   *         - False indicates that the media should not start as soon as the page loads.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}\n   */\n  'autoplay',\n  /**\n   * Set the value of `loop` on the media element. `loop` indicates\n   * that the media should return to the start of the media and continue playing once\n   * it reaches the end.\n   *\n   * @method Html5#setLoop\n   * @param {boolean} loop\n   *         - True indicates that playback should seek back to start once\n   *           the end of a media is reached.\n   *         - False indicates that playback should not loop back to the start when the\n   *           end of the media is reached.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}\n   */\n  'loop',\n  /**\n   * Set the value of `playsinline` from the media element. `playsinline` indicates\n   * to the browser that non-fullscreen playback is preferred when fullscreen\n   * playback is the native default, such as in iOS Safari.\n   *\n   * @method Html5#setPlaysinline\n   * @param {boolean} playsinline\n   *         - True indicates that the media should play inline.\n   *         - False indicates that the media should not play inline.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n   */\n  'playsinline'].forEach(function (prop) {\n    Html5.prototype['set' + toTitleCase(prop)] = function (v) {\n      this.el_[prop] = v;\n\n      if (v) {\n        this.el_.setAttribute(prop, prop);\n      } else {\n        this.el_.removeAttribute(prop);\n      }\n    };\n  }); // Wrap native properties with a getter\n  // The list is as followed\n  // paused, currentTime, buffered, volume, poster, preload, error, seeking\n  // seekable, ended, playbackRate, defaultPlaybackRate, played, networkState\n  // readyState, videoWidth, videoHeight\n\n  [\n  /**\n   * Get the value of `paused` from the media element. `paused` indicates whether the media element\n   * is currently paused or not.\n   *\n   * @method Html5#paused\n   * @return {boolean}\n   *         The value of `paused` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}\n   */\n  'paused',\n  /**\n   * Get the value of `currentTime` from the media element. `currentTime` indicates\n   * the current second that the media is at in playback.\n   *\n   * @method Html5#currentTime\n   * @return {number}\n   *         The value of `currentTime` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}\n   */\n  'currentTime',\n  /**\n   * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`\n   * object that represents the parts of the media that are already downloaded and\n   * available for playback.\n   *\n   * @method Html5#buffered\n   * @return {TimeRange}\n   *         The value of `buffered` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}\n   */\n  'buffered',\n  /**\n   * Get the value of `volume` from the media element. `volume` indicates\n   * the current playback volume of audio for a media. `volume` will be a value from 0\n   * (silent) to 1 (loudest and default).\n   *\n   * @method Html5#volume\n   * @return {number}\n   *         The value of `volume` from the media element. Value will be between 0-1.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}\n   */\n  'volume',\n  /**\n   * Get the value of `poster` from the media element. `poster` indicates\n   * that the url of an image file that can/will be shown when no media data is available.\n   *\n   * @method Html5#poster\n   * @return {string}\n   *         The value of `poster` from the media element. Value will be a url to an\n   *         image.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}\n   */\n  'poster',\n  /**\n   * Get the value of `preload` from the media element. `preload` indicates\n   * what should download before the media is interacted with. It can have the following\n   * values:\n   * - none: nothing should be downloaded\n   * - metadata: poster and the first few frames of the media may be downloaded to get\n   *   media dimensions and other metadata\n   * - auto: allow the media and metadata for the media to be downloaded before\n   *    interaction\n   *\n   * @method Html5#preload\n   * @return {string}\n   *         The value of `preload` from the media element. Will be 'none', 'metadata',\n   *         or 'auto'.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}\n   */\n  'preload',\n  /**\n   * Get the value of the `error` from the media element. `error` indicates any\n   * MediaError that may have occurred during playback. If error returns null there is no\n   * current error.\n   *\n   * @method Html5#error\n   * @return {MediaError|null}\n   *         The value of `error` from the media element. Will be `MediaError` if there\n   *         is a current error and null otherwise.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}\n   */\n  'error',\n  /**\n   * Get the value of `seeking` from the media element. `seeking` indicates whether the\n   * media is currently seeking to a new position or not.\n   *\n   * @method Html5#seeking\n   * @return {boolean}\n   *         - The value of `seeking` from the media element.\n   *         - True indicates that the media is currently seeking to a new position.\n   *         - False indicates that the media is not seeking to a new position at this time.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}\n   */\n  'seeking',\n  /**\n   * Get the value of `seekable` from the media element. `seekable` returns a\n   * `TimeRange` object indicating ranges of time that can currently be `seeked` to.\n   *\n   * @method Html5#seekable\n   * @return {TimeRange}\n   *         The value of `seekable` from the media element. A `TimeRange` object\n   *         indicating the current ranges of time that can be seeked to.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}\n   */\n  'seekable',\n  /**\n   * Get the value of `ended` from the media element. `ended` indicates whether\n   * the media has reached the end or not.\n   *\n   * @method Html5#ended\n   * @return {boolean}\n   *         - The value of `ended` from the media element.\n   *         - True indicates that the media has ended.\n   *         - False indicates that the media has not ended.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}\n   */\n  'ended',\n  /**\n   * Get the value of `playbackRate` from the media element. `playbackRate` indicates\n   * the rate at which the media is currently playing back. Examples:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5#playbackRate\n   * @return {number}\n   *         The value of `playbackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'playbackRate',\n  /**\n   * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates\n   * the rate at which the media is currently playing back. This value will not indicate the current\n   * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.\n   *\n   * Examples:\n   *   - if defaultPlaybackRate is set to 2, media will play twice as fast.\n   *   - if defaultPlaybackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5.prototype.defaultPlaybackRate\n   * @return {number}\n   *         The value of `defaultPlaybackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'defaultPlaybackRate',\n  /**\n   * Get the value of `played` from the media element. `played` returns a `TimeRange`\n   * object representing points in the media timeline that have been played.\n   *\n   * @method Html5#played\n   * @return {TimeRange}\n   *         The value of `played` from the media element. A `TimeRange` object indicating\n   *         the ranges of time that have been played.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}\n   */\n  'played',\n  /**\n   * Get the value of `networkState` from the media element. `networkState` indicates\n   * the current network state. It returns an enumeration from the following list:\n   * - 0: NETWORK_EMPTY\n   * - 1: NETWORK_IDLE\n   * - 2: NETWORK_LOADING\n   * - 3: NETWORK_NO_SOURCE\n   *\n   * @method Html5#networkState\n   * @return {number}\n   *         The value of `networkState` from the media element. This will be a number\n   *         from the list in the description.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}\n   */\n  'networkState',\n  /**\n   * Get the value of `readyState` from the media element. `readyState` indicates\n   * the current state of the media element. It returns an enumeration from the\n   * following list:\n   * - 0: HAVE_NOTHING\n   * - 1: HAVE_METADATA\n   * - 2: HAVE_CURRENT_DATA\n   * - 3: HAVE_FUTURE_DATA\n   * - 4: HAVE_ENOUGH_DATA\n   *\n   * @method Html5#readyState\n   * @return {number}\n   *         The value of `readyState` from the media element. This will be a number\n   *         from the list in the description.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}\n   */\n  'readyState',\n  /**\n   * Get the value of `videoWidth` from the video element. `videoWidth` indicates\n   * the current width of the video in css pixels.\n   *\n   * @method Html5#videoWidth\n   * @return {number}\n   *         The value of `videoWidth` from the video element. This will be a number\n   *         in css pixels.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}\n   */\n  'videoWidth',\n  /**\n   * Get the value of `videoHeight` from the video element. `videoHeight` indicates\n   * the current height of the video in css pixels.\n   *\n   * @method Html5#videoHeight\n   * @return {number}\n   *         The value of `videoHeight` from the video element. This will be a number\n   *         in css pixels.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}\n   */\n  'videoHeight'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop];\n    };\n  }); // Wrap native properties with a setter in this format:\n  // set + toTitleCase(name)\n  // The list is as follows:\n  // setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate\n\n  [\n  /**\n   * Set the value of `volume` on the media element. `volume` indicates the current\n   * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n   * so on.\n   *\n   * @method Html5#setVolume\n   * @param {number} percentAsDecimal\n   *        The volume percent as a decimal. Valid range is from 0-1.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}\n   */\n  'volume',\n  /**\n   * Set the value of `src` on the media element. `src` indicates the current\n   * {@link Tech~SourceObject} for the media.\n   *\n   * @method Html5#setSrc\n   * @param {Tech~SourceObject} src\n   *        The source object to set as the current source.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}\n   */\n  'src',\n  /**\n   * Set the value of `poster` on the media element. `poster` is the url to\n   * an image file that can/will be shown when no media data is available.\n   *\n   * @method Html5#setPoster\n   * @param {string} poster\n   *        The url to an image that should be used as the `poster` for the media\n   *        element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}\n   */\n  'poster',\n  /**\n   * Set the value of `preload` on the media element. `preload` indicates\n   * what should download before the media is interacted with. It can have the following\n   * values:\n   * - none: nothing should be downloaded\n   * - metadata: poster and the first few frames of the media may be downloaded to get\n   *   media dimensions and other metadata\n   * - auto: allow the media and metadata for the media to be downloaded before\n   *    interaction\n   *\n   * @method Html5#setPreload\n   * @param {string} preload\n   *         The value of `preload` to set on the media element. Must be 'none', 'metadata',\n   *         or 'auto'.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}\n   */\n  'preload',\n  /**\n   * Set the value of `playbackRate` on the media element. `playbackRate` indicates\n   * the rate at which the media should play back. Examples:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5#setPlaybackRate\n   * @return {number}\n   *         The value of `playbackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'playbackRate',\n  /**\n   * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates\n   * the rate at which the media should play back upon initial startup. Changing this value\n   * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.\n   *\n   * Example Values:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5.prototype.setDefaultPlaybackRate\n   * @return {number}\n   *         The value of `defaultPlaybackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}\n   */\n  'defaultPlaybackRate'].forEach(function (prop) {\n    Html5.prototype['set' + toTitleCase(prop)] = function (v) {\n      this.el_[prop] = v;\n    };\n  }); // wrap native functions with a function\n  // The list is as follows:\n  // pause, load, play\n\n  [\n  /**\n   * A wrapper around the media elements `pause` function. This will call the `HTML5`\n   * media elements `pause` function.\n   *\n   * @method Html5#pause\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}\n   */\n  'pause',\n  /**\n   * A wrapper around the media elements `load` function. This will call the `HTML5`s\n   * media element `load` function.\n   *\n   * @method Html5#load\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}\n   */\n  'load',\n  /**\n   * A wrapper around the media elements `play` function. This will call the `HTML5`s\n   * media element `play` function.\n   *\n   * @method Html5#play\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}\n   */\n  'play'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop]();\n    };\n  });\n  Tech.withSourceHandlers(Html5);\n  /**\n   * Native source handler for Html5, simply passes the source to the media element.\n   *\n   * @property {Tech~SourceObject} source\n   *        The source object\n   *\n   * @property {Html5} tech\n   *        The instance of the HTML5 tech.\n   */\n\n  Html5.nativeSourceHandler = {};\n  /**\n   * Check if the media element can play the given mime type.\n   *\n   * @param {string} type\n   *        The mimetype to check\n   *\n   * @return {string}\n   *         'probably', 'maybe', or '' (empty string)\n   */\n\n  Html5.nativeSourceHandler.canPlayType = function (type) {\n    // IE without MediaPlayer throws an error (#519)\n    try {\n      return Html5.TEST_VID.canPlayType(type);\n    } catch (e) {\n      return '';\n    }\n  };\n  /**\n   * Check if the media element can handle a source natively.\n   *\n   * @param {Tech~SourceObject} source\n   *         The source object\n   *\n   * @param {Object} [options]\n   *         Options to be passed to the tech.\n   *\n   * @return {string}\n   *         'probably', 'maybe', or '' (empty string).\n   */\n\n\n  Html5.nativeSourceHandler.canHandleSource = function (source, options) {\n    // If a type was provided we should rely on that\n    if (source.type) {\n      return Html5.nativeSourceHandler.canPlayType(source.type); // If no type, fall back to checking 'video/[EXTENSION]'\n    } else if (source.src) {\n      var ext = getFileExtension(source.src);\n      return Html5.nativeSourceHandler.canPlayType(\"video/\" + ext);\n    }\n\n    return '';\n  };\n  /**\n   * Pass the source to the native media element.\n   *\n   * @param {Tech~SourceObject} source\n   *        The source object\n   *\n   * @param {Html5} tech\n   *        The instance of the Html5 tech\n   *\n   * @param {Object} [options]\n   *        The options to pass to the source\n   */\n\n\n  Html5.nativeSourceHandler.handleSource = function (source, tech, options) {\n    tech.setSrc(source.src);\n  };\n  /**\n   * A noop for the native dispose function, as cleanup is not needed.\n   */\n\n\n  Html5.nativeSourceHandler.dispose = function () {}; // Register the native source handler\n\n\n  Html5.registerSourceHandler(Html5.nativeSourceHandler);\n  Tech.registerTech('Html5', Html5);\n\n  // on the player when they happen\n\n  var TECH_EVENTS_RETRIGGER = [\n  /**\n   * Fired while the user agent is downloading media data.\n   *\n   * @event Player#progress\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `progress` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechProgress_\n   * @fires Player#progress\n   * @listens Tech#progress\n   */\n  'progress',\n  /**\n   * Fires when the loading of an audio/video is aborted.\n   *\n   * @event Player#abort\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `abort` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechAbort_\n   * @fires Player#abort\n   * @listens Tech#abort\n   */\n  'abort',\n  /**\n   * Fires when the browser is intentionally not getting media data.\n   *\n   * @event Player#suspend\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `suspend` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechSuspend_\n   * @fires Player#suspend\n   * @listens Tech#suspend\n   */\n  'suspend',\n  /**\n   * Fires when the current playlist is empty.\n   *\n   * @event Player#emptied\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `emptied` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechEmptied_\n   * @fires Player#emptied\n   * @listens Tech#emptied\n   */\n  'emptied',\n  /**\n   * Fires when the browser is trying to get media data, but data is not available.\n   *\n   * @event Player#stalled\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `stalled` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechStalled_\n   * @fires Player#stalled\n   * @listens Tech#stalled\n   */\n  'stalled',\n  /**\n   * Fires when the browser has loaded meta data for the audio/video.\n   *\n   * @event Player#loadedmetadata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `stalled` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechLoadedmetadata_\n   * @fires Player#loadedmetadata\n   * @listens Tech#loadedmetadata\n   */\n  'loadedmetadata',\n  /**\n   * Fires when the browser has loaded the current frame of the audio/video.\n   *\n   * @event Player#loadeddata\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechLoaddeddata_\n   * @fires Player#loadeddata\n   * @listens Tech#loadeddata\n   */\n  'loadeddata',\n  /**\n   * Fires when the current playback position has changed.\n   *\n   * @event Player#timeupdate\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechTimeUpdate_\n   * @fires Player#timeupdate\n   * @listens Tech#timeupdate\n   */\n  'timeupdate',\n  /**\n   * Fires when the video's intrinsic dimensions change\n   *\n   * @event Player#resize\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `resize` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechResize_\n   * @fires Player#resize\n   * @listens Tech#resize\n   */\n  'resize',\n  /**\n   * Fires when the volume has been changed\n   *\n   * @event Player#volumechange\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `volumechange` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechVolumechange_\n   * @fires Player#volumechange\n   * @listens Tech#volumechange\n   */\n  'volumechange',\n  /**\n   * Fires when the text track has been changed\n   *\n   * @event Player#texttrackchange\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechTexttrackchange_\n   * @fires Player#texttrackchange\n   * @listens Tech#texttrackchange\n   */\n  'texttrackchange']; // events to queue when playback rate is zero\n  // this is a hash for the sole purpose of mapping non-camel-cased event names\n  // to camel-cased function names\n\n  var TECH_EVENTS_QUEUE = {\n    canplay: 'CanPlay',\n    canplaythrough: 'CanPlayThrough',\n    playing: 'Playing',\n    seeked: 'Seeked'\n  };\n  var BREAKPOINT_ORDER = ['tiny', 'xsmall', 'small', 'medium', 'large', 'xlarge', 'huge'];\n  var BREAKPOINT_CLASSES = {}; // grep: vjs-layout-tiny\n  // grep: vjs-layout-x-small\n  // grep: vjs-layout-small\n  // grep: vjs-layout-medium\n  // grep: vjs-layout-large\n  // grep: vjs-layout-x-large\n  // grep: vjs-layout-huge\n\n  BREAKPOINT_ORDER.forEach(function (k) {\n    var v = k.charAt(0) === 'x' ? \"x-\" + k.substring(1) : k;\n    BREAKPOINT_CLASSES[k] = \"vjs-layout-\" + v;\n  });\n  var DEFAULT_BREAKPOINTS = {\n    tiny: 210,\n    xsmall: 320,\n    small: 425,\n    medium: 768,\n    large: 1440,\n    xlarge: 2560,\n    huge: Infinity\n  };\n  /**\n   * An instance of the `Player` class is created when any of the Video.js setup methods\n   * are used to initialize a video.\n   *\n   * After an instance has been created it can be accessed globally in two ways:\n   * 1. By calling `videojs('example_video_1');`\n   * 2. By using it directly via  `videojs.players.example_video_1;`\n   *\n   * @extends Component\n   */\n\n  var Player = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Player, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Element} tag\n     *        The original video DOM element used for configuring options.\n     *\n     * @param {Object} [options]\n     *        Object of option names and values.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        Ready callback function.\n     */\n    function Player(tag, options, ready) {\n      var _this;\n\n      // Make sure tag ID exists\n      tag.id = tag.id || options.id || \"vjs_video_\" + newGUID(); // Set Options\n      // The options argument overrides options set in the video tag\n      // which overrides globally set options.\n      // This latter part coincides with the load order\n      // (tag must exist before Player)\n\n      options = assign(Player.getTagSettings(tag), options); // Delay the initialization of children because we need to set up\n      // player properties first, and can't use `this` before `super()`\n\n      options.initChildren = false; // Same with creating the element\n\n      options.createEl = false; // don't auto mixin the evented mixin\n\n      options.evented = false; // we don't want the player to report touch activity on itself\n      // see enableTouchActivity in Component\n\n      options.reportTouchActivity = false; // If language is not set, get the closest lang attribute\n\n      if (!options.language) {\n        if (typeof tag.closest === 'function') {\n          var closest = tag.closest('[lang]');\n\n          if (closest && closest.getAttribute) {\n            options.language = closest.getAttribute('lang');\n          }\n        } else {\n          var element = tag;\n\n          while (element && element.nodeType === 1) {\n            if (getAttributes(element).hasOwnProperty('lang')) {\n              options.language = element.getAttribute('lang');\n              break;\n            }\n\n            element = element.parentNode;\n          }\n        }\n      } // Run base component initializing with new options\n\n\n      _this = _Component.call(this, null, options, ready) || this; // Create bound methods for document listeners.\n\n      _this.boundDocumentFullscreenChange_ = bind(assertThisInitialized(_this), _this.documentFullscreenChange_);\n      _this.boundFullWindowOnEscKey_ = bind(assertThisInitialized(_this), _this.fullWindowOnEscKey); // default isFullscreen_ to false\n\n      _this.isFullscreen_ = false; // create logger\n\n      _this.log = createLogger$1(_this.id_); // Hold our own reference to fullscreen api so it can be mocked in tests\n\n      _this.fsApi_ = FullscreenApi; // Tracks when a tech changes the poster\n\n      _this.isPosterFromTech_ = false; // Holds callback info that gets queued when playback rate is zero\n      // and a seek is happening\n\n      _this.queuedCallbacks_ = []; // Turn off API access because we're loading a new tech that might load asynchronously\n\n      _this.isReady_ = false; // Init state hasStarted_\n\n      _this.hasStarted_ = false; // Init state userActive_\n\n      _this.userActive_ = false; // if the global option object was accidentally blown away by\n      // someone, bail early with an informative error\n\n      if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {\n        throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');\n      } // Store the original tag used to set options\n\n\n      _this.tag = tag; // Store the tag attributes used to restore html5 element\n\n      _this.tagAttributes = tag && getAttributes(tag); // Update current language\n\n      _this.language(_this.options_.language); // Update Supported Languages\n\n\n      if (options.languages) {\n        // Normalise player option languages to lowercase\n        var languagesToLower = {};\n        Object.getOwnPropertyNames(options.languages).forEach(function (name) {\n          languagesToLower[name.toLowerCase()] = options.languages[name];\n        });\n        _this.languages_ = languagesToLower;\n      } else {\n        _this.languages_ = Player.prototype.options_.languages;\n      }\n\n      _this.resetCache_(); // Set poster\n\n\n      _this.poster_ = options.poster || ''; // Set controls\n\n      _this.controls_ = !!options.controls; // Original tag settings stored in options\n      // now remove immediately so native controls don't flash.\n      // May be turned back on by HTML5 tech if nativeControlsForTouch is true\n\n      tag.controls = false;\n      tag.removeAttribute('controls');\n      _this.changingSrc_ = false;\n      _this.playCallbacks_ = [];\n      _this.playTerminatedQueue_ = []; // the attribute overrides the option\n\n      if (tag.hasAttribute('autoplay')) {\n        _this.autoplay(true);\n      } else {\n        // otherwise use the setter to validate and\n        // set the correct value.\n        _this.autoplay(_this.options_.autoplay);\n      } // check plugins\n\n\n      if (options.plugins) {\n        Object.keys(options.plugins).forEach(function (name) {\n          if (typeof _this[name] !== 'function') {\n            throw new Error(\"plugin \\\"\" + name + \"\\\" does not exist\");\n          }\n        });\n      }\n      /*\n       * Store the internal state of scrubbing\n       *\n       * @private\n       * @return {Boolean} True if the user is scrubbing\n       */\n\n\n      _this.scrubbing_ = false;\n      _this.el_ = _this.createEl(); // Make this an evented object and use `el_` as its event bus.\n\n      evented(assertThisInitialized(_this), {\n        eventBusKey: 'el_'\n      }); // listen to document and player fullscreenchange handlers so we receive those events\n      // before a user can receive them so we can update isFullscreen appropriately.\n      // make sure that we listen to fullscreenchange events before everything else to make sure that\n      // our isFullscreen method is updated properly for internal components as well as external.\n\n      if (_this.fsApi_.requestFullscreen) {\n        on(document, _this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);\n\n        _this.on(_this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);\n      }\n\n      if (_this.fluid_) {\n        _this.on('playerreset', _this.updateStyleEl_);\n      } // We also want to pass the original player options to each component and plugin\n      // as well so they don't need to reach back into the player for options later.\n      // We also need to do another copy of this.options_ so we don't end up with\n      // an infinite loop.\n\n\n      var playerOptionsCopy = mergeOptions(_this.options_); // Load plugins\n\n      if (options.plugins) {\n        Object.keys(options.plugins).forEach(function (name) {\n          _this[name](options.plugins[name]);\n        });\n      }\n\n      _this.options_.playerOptions = playerOptionsCopy;\n      _this.middleware_ = [];\n\n      _this.initChildren(); // Set isAudio based on whether or not an audio tag was used\n\n\n      _this.isAudio(tag.nodeName.toLowerCase() === 'audio'); // Update controls className. Can't do this when the controls are initially\n      // set because the element doesn't exist yet.\n\n\n      if (_this.controls()) {\n        _this.addClass('vjs-controls-enabled');\n      } else {\n        _this.addClass('vjs-controls-disabled');\n      } // Set ARIA label and region role depending on player type\n\n\n      _this.el_.setAttribute('role', 'region');\n\n      if (_this.isAudio()) {\n        _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));\n      } else {\n        _this.el_.setAttribute('aria-label', _this.localize('Video Player'));\n      }\n\n      if (_this.isAudio()) {\n        _this.addClass('vjs-audio');\n      }\n\n      if (_this.flexNotSupported_()) {\n        _this.addClass('vjs-no-flex');\n      } // TODO: Make this smarter. Toggle user state between touching/mousing\n      // using events, since devices can have both touch and mouse events.\n      // TODO: Make this check be performed again when the window switches between monitors\n      // (See https://github.com/videojs/video.js/issues/5683)\n\n\n      if (TOUCH_ENABLED) {\n        _this.addClass('vjs-touch-enabled');\n      } // iOS Safari has broken hover handling\n\n\n      if (!IS_IOS) {\n        _this.addClass('vjs-workinghover');\n      } // Make player easily findable by ID\n\n\n      Player.players[_this.id_] = assertThisInitialized(_this); // Add a major version class to aid css in plugins\n\n      var majorVersion = version.split('.')[0];\n\n      _this.addClass(\"vjs-v\" + majorVersion); // When the player is first initialized, trigger activity so components\n      // like the control bar show themselves if needed\n\n\n      _this.userActive(true);\n\n      _this.reportUserActivity();\n\n      _this.one('play', _this.listenForUserActivity_);\n\n      _this.on('stageclick', _this.handleStageClick_);\n\n      _this.on('keydown', _this.handleKeyDown);\n\n      _this.breakpoints(_this.options_.breakpoints);\n\n      _this.responsive(_this.options_.responsive);\n\n      return _this;\n    }\n    /**\n     * Destroys the video player and does any necessary cleanup.\n     *\n     * This is especially helpful if you are dynamically adding and removing videos\n     * to/from the DOM.\n     *\n     * @fires Player#dispose\n     */\n\n\n    var _proto = Player.prototype;\n\n    _proto.dispose = function dispose() {\n      var _this2 = this;\n\n      /**\n       * Called when the player is being disposed of.\n       *\n       * @event Player#dispose\n       * @type {EventTarget~Event}\n       */\n      this.trigger('dispose'); // prevent dispose from being called twice\n\n      this.off('dispose'); // Make sure all player-specific document listeners are unbound. This is\n\n      off(document, this.fsApi_.fullscreenchange, this.boundDocumentFullscreenChange_);\n      off(document, 'keydown', this.boundFullWindowOnEscKey_);\n\n      if (this.styleEl_ && this.styleEl_.parentNode) {\n        this.styleEl_.parentNode.removeChild(this.styleEl_);\n        this.styleEl_ = null;\n      } // Kill reference to this player\n\n\n      Player.players[this.id_] = null;\n\n      if (this.tag && this.tag.player) {\n        this.tag.player = null;\n      }\n\n      if (this.el_ && this.el_.player) {\n        this.el_.player = null;\n      }\n\n      if (this.tech_) {\n        this.tech_.dispose();\n        this.isPosterFromTech_ = false;\n        this.poster_ = '';\n      }\n\n      if (this.playerElIngest_) {\n        this.playerElIngest_ = null;\n      }\n\n      if (this.tag) {\n        this.tag = null;\n      }\n\n      clearCacheForPlayer(this); // remove all event handlers for track lists\n      // all tracks and track listeners are removed on\n      // tech dispose\n\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n\n        var list = _this2[props.getterName](); // if it is not a native list\n        // we have to manually remove event listeners\n\n\n        if (list && list.off) {\n          list.off();\n        }\n      }); // the actual .el_ is removed here\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Create the `Player`'s DOM element.\n     *\n     * @return {Element}\n     *         The DOM element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var tag = this.tag;\n      var el;\n      var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');\n      var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';\n\n      if (playerElIngest) {\n        el = this.el_ = tag.parentNode;\n      } else if (!divEmbed) {\n        el = this.el_ = _Component.prototype.createEl.call(this, 'div');\n      } // Copy over all the attributes from the tag, including ID and class\n      // ID will now reference player box, not the video tag\n\n\n      var attrs = getAttributes(tag);\n\n      if (divEmbed) {\n        el = this.el_ = tag;\n        tag = this.tag = document.createElement('video');\n\n        while (el.children.length) {\n          tag.appendChild(el.firstChild);\n        }\n\n        if (!hasClass(el, 'video-js')) {\n          addClass(el, 'video-js');\n        }\n\n        el.appendChild(tag);\n        playerElIngest = this.playerElIngest_ = el; // move properties over from our custom `video-js` element\n        // to our new `video` element. This will move things like\n        // `src` or `controls` that were set via js before the player\n        // was initialized.\n\n        Object.keys(el).forEach(function (k) {\n          try {\n            tag[k] = el[k];\n          } catch (e) {// we got a a property like outerHTML which we can't actually copy, ignore it\n          }\n        });\n      } // set tabindex to -1 to remove the video element from the focus order\n\n\n      tag.setAttribute('tabindex', '-1');\n      attrs.tabindex = '-1'; // Workaround for #4583 (JAWS+IE doesn't announce BPB or play button), and\n      // for the same issue with Chrome (on Windows) with JAWS.\n      // See https://github.com/FreedomScientific/VFO-standards-support/issues/78\n      // Note that we can't detect if JAWS is being used, but this ARIA attribute\n      //  doesn't change behavior of IE11 or Chrome if JAWS is not being used\n\n      if (IE_VERSION || IS_CHROME && IS_WINDOWS) {\n        tag.setAttribute('role', 'application');\n        attrs.role = 'application';\n      } // Remove width/height attrs from tag so CSS can make it 100% width/height\n\n\n      tag.removeAttribute('width');\n      tag.removeAttribute('height');\n\n      if ('width' in attrs) {\n        delete attrs.width;\n      }\n\n      if ('height' in attrs) {\n        delete attrs.height;\n      }\n\n      Object.getOwnPropertyNames(attrs).forEach(function (attr) {\n        // don't copy over the class attribute to the player element when we're in a div embed\n        // the class is already set up properly in the divEmbed case\n        // and we want to make sure that the `video-js` class doesn't get lost\n        if (!(divEmbed && attr === 'class')) {\n          el.setAttribute(attr, attrs[attr]);\n        }\n\n        if (divEmbed) {\n          tag.setAttribute(attr, attrs[attr]);\n        }\n      }); // Update tag id/class for use as HTML5 playback tech\n      // Might think we should do this after embedding in container so .vjs-tech class\n      // doesn't flash 100% width/height, but class only applies with .video-js parent\n\n      tag.playerId = tag.id;\n      tag.id += '_html5_api';\n      tag.className = 'vjs-tech'; // Make player findable on elements\n\n      tag.player = el.player = this; // Default state of video is paused\n\n      this.addClass('vjs-paused'); // Add a style element in the player that we'll use to set the width/height\n      // of the player in a way that's still overrideable by CSS, just like the\n      // video element\n\n      if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true) {\n        this.styleEl_ = createStyleElement('vjs-styles-dimensions');\n        var defaultsStyleEl = $('.vjs-styles-defaults');\n        var head = $('head');\n        head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);\n      }\n\n      this.fill_ = false;\n      this.fluid_ = false; // Pass in the width/height/aspectRatio options which will update the style el\n\n      this.width(this.options_.width);\n      this.height(this.options_.height);\n      this.fill(this.options_.fill);\n      this.fluid(this.options_.fluid);\n      this.aspectRatio(this.options_.aspectRatio); // Hide any links within the video/audio tag,\n      // because IE doesn't hide them completely from screen readers.\n\n      var links = tag.getElementsByTagName('a');\n\n      for (var i = 0; i < links.length; i++) {\n        var linkEl = links.item(i);\n        addClass(linkEl, 'vjs-hidden');\n        linkEl.setAttribute('hidden', 'hidden');\n      } // insertElFirst seems to cause the networkState to flicker from 3 to 2, so\n      // keep track of the original for later so we can know if the source originally failed\n\n\n      tag.initNetworkState_ = tag.networkState; // Wrap video tag in div (el/box) container\n\n      if (tag.parentNode && !playerElIngest) {\n        tag.parentNode.insertBefore(el, tag);\n      } // insert the tag as the first child of the player element\n      // then manually add it to the children array so that this.addChild\n      // will work properly for other components\n      //\n      // Breaks iPhone, fixed in HTML5 setup.\n\n\n      prependTo(tag, el);\n      this.children_.unshift(tag); // Set lang attr on player to ensure CSS :lang() in consistent with player\n      // if it's been set to something different to the doc\n\n      this.el_.setAttribute('lang', this.language_);\n      this.el_ = el;\n      return el;\n    }\n    /**\n     * A getter/setter for the `Player`'s width. Returns the player's configured value.\n     * To get the current width use `currentWidth()`.\n     *\n     * @param {number} [value]\n     *        The value to set the `Player`'s width to.\n     *\n     * @return {number}\n     *         The current width of the `Player` when getting.\n     */\n    ;\n\n    _proto.width = function width(value) {\n      return this.dimension('width', value);\n    }\n    /**\n     * A getter/setter for the `Player`'s height. Returns the player's configured value.\n     * To get the current height use `currentheight()`.\n     *\n     * @param {number} [value]\n     *        The value to set the `Player`'s heigth to.\n     *\n     * @return {number}\n     *         The current height of the `Player` when getting.\n     */\n    ;\n\n    _proto.height = function height(value) {\n      return this.dimension('height', value);\n    }\n    /**\n     * A getter/setter for the `Player`'s width & height.\n     *\n     * @param {string} dimension\n     *        This string can be:\n     *        - 'width'\n     *        - 'height'\n     *\n     * @param {number} [value]\n     *        Value for dimension specified in the first argument.\n     *\n     * @return {number}\n     *         The dimension arguments value when getting (width/height).\n     */\n    ;\n\n    _proto.dimension = function dimension(_dimension, value) {\n      var privDimension = _dimension + '_';\n\n      if (value === undefined) {\n        return this[privDimension] || 0;\n      }\n\n      if (value === '' || value === 'auto') {\n        // If an empty string is given, reset the dimension to be automatic\n        this[privDimension] = undefined;\n        this.updateStyleEl_();\n        return;\n      }\n\n      var parsedVal = parseFloat(value);\n\n      if (isNaN(parsedVal)) {\n        log.error(\"Improper value \\\"\" + value + \"\\\" supplied for for \" + _dimension);\n        return;\n      }\n\n      this[privDimension] = parsedVal;\n      this.updateStyleEl_();\n    }\n    /**\n     * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.\n     *\n     * Turning this on will turn off fill mode.\n     *\n     * @param {boolean} [bool]\n     *        - A value of true adds the class.\n     *        - A value of false removes the class.\n     *        - No value will be a getter.\n     *\n     * @return {boolean|undefined}\n     *         - The value of fluid when getting.\n     *         - `undefined` when setting.\n     */\n    ;\n\n    _proto.fluid = function fluid(bool) {\n      if (bool === undefined) {\n        return !!this.fluid_;\n      }\n\n      this.fluid_ = !!bool;\n\n      if (isEvented(this)) {\n        this.off('playerreset', this.updateStyleEl_);\n      }\n\n      if (bool) {\n        this.addClass('vjs-fluid');\n        this.fill(false);\n        addEventedCallback(function () {\n          this.on('playerreset', this.updateStyleEl_);\n        });\n      } else {\n        this.removeClass('vjs-fluid');\n      }\n\n      this.updateStyleEl_();\n    }\n    /**\n     * A getter/setter/toggler for the vjs-fill `className` on the `Player`.\n     *\n     * Turning this on will turn off fluid mode.\n     *\n     * @param {boolean} [bool]\n     *        - A value of true adds the class.\n     *        - A value of false removes the class.\n     *        - No value will be a getter.\n     *\n     * @return {boolean|undefined}\n     *         - The value of fluid when getting.\n     *         - `undefined` when setting.\n     */\n    ;\n\n    _proto.fill = function fill(bool) {\n      if (bool === undefined) {\n        return !!this.fill_;\n      }\n\n      this.fill_ = !!bool;\n\n      if (bool) {\n        this.addClass('vjs-fill');\n        this.fluid(false);\n      } else {\n        this.removeClass('vjs-fill');\n      }\n    }\n    /**\n     * Get/Set the aspect ratio\n     *\n     * @param {string} [ratio]\n     *        Aspect ratio for player\n     *\n     * @return {string|undefined}\n     *         returns the current aspect ratio when getting\n     */\n\n    /**\n     * A getter/setter for the `Player`'s aspect ratio.\n     *\n     * @param {string} [ratio]\n     *        The value to set the `Player's aspect ratio to.\n     *\n     * @return {string|undefined}\n     *         - The current aspect ratio of the `Player` when getting.\n     *         - undefined when setting\n     */\n    ;\n\n    _proto.aspectRatio = function aspectRatio(ratio) {\n      if (ratio === undefined) {\n        return this.aspectRatio_;\n      } // Check for width:height format\n\n\n      if (!/^\\d+\\:\\d+$/.test(ratio)) {\n        throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');\n      }\n\n      this.aspectRatio_ = ratio; // We're assuming if you set an aspect ratio you want fluid mode,\n      // because in fixed mode you could calculate width and height yourself.\n\n      this.fluid(true);\n      this.updateStyleEl_();\n    }\n    /**\n     * Update styles of the `Player` element (height, width and aspect ratio).\n     *\n     * @private\n     * @listens Tech#loadedmetadata\n     */\n    ;\n\n    _proto.updateStyleEl_ = function updateStyleEl_() {\n      if (window$3.VIDEOJS_NO_DYNAMIC_STYLE === true) {\n        var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;\n\n        var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;\n\n        var techEl = this.tech_ && this.tech_.el();\n\n        if (techEl) {\n          if (_width >= 0) {\n            techEl.width = _width;\n          }\n\n          if (_height >= 0) {\n            techEl.height = _height;\n          }\n        }\n\n        return;\n      }\n\n      var width;\n      var height;\n      var aspectRatio;\n      var idClass; // The aspect ratio is either used directly or to calculate width and height.\n\n      if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {\n        // Use any aspectRatio that's been specifically set\n        aspectRatio = this.aspectRatio_;\n      } else if (this.videoWidth() > 0) {\n        // Otherwise try to get the aspect ratio from the video metadata\n        aspectRatio = this.videoWidth() + ':' + this.videoHeight();\n      } else {\n        // Or use a default. The video element's is 2:1, but 16:9 is more common.\n        aspectRatio = '16:9';\n      } // Get the ratio as a decimal we can use to calculate dimensions\n\n\n      var ratioParts = aspectRatio.split(':');\n      var ratioMultiplier = ratioParts[1] / ratioParts[0];\n\n      if (this.width_ !== undefined) {\n        // Use any width that's been specifically set\n        width = this.width_;\n      } else if (this.height_ !== undefined) {\n        // Or calulate the width from the aspect ratio if a height has been set\n        width = this.height_ / ratioMultiplier;\n      } else {\n        // Or use the video's metadata, or use the video el's default of 300\n        width = this.videoWidth() || 300;\n      }\n\n      if (this.height_ !== undefined) {\n        // Use any height that's been specifically set\n        height = this.height_;\n      } else {\n        // Otherwise calculate the height from the ratio and the width\n        height = width * ratioMultiplier;\n      } // Ensure the CSS class is valid by starting with an alpha character\n\n\n      if (/^[^a-zA-Z]/.test(this.id())) {\n        idClass = 'dimensions-' + this.id();\n      } else {\n        idClass = this.id() + '-dimensions';\n      } // Ensure the right class is still on the player for the style element\n\n\n      this.addClass(idClass);\n      setTextContent(this.styleEl_, \"\\n      .\" + idClass + \" {\\n        width: \" + width + \"px;\\n        height: \" + height + \"px;\\n      }\\n\\n      .\" + idClass + \".vjs-fluid {\\n        padding-top: \" + ratioMultiplier * 100 + \"%;\\n      }\\n    \");\n    }\n    /**\n     * Load/Create an instance of playback {@link Tech} including element\n     * and API methods. Then append the `Tech` element in `Player` as a child.\n     *\n     * @param {string} techName\n     *        name of the playback technology\n     *\n     * @param {string} source\n     *        video source\n     *\n     * @private\n     */\n    ;\n\n    _proto.loadTech_ = function loadTech_(techName, source) {\n      var _this3 = this;\n\n      // Pause and remove current playback technology\n      if (this.tech_) {\n        this.unloadTech_();\n      }\n\n      var titleTechName = toTitleCase(techName);\n      var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1); // get rid of the HTML5 video tag as soon as we are using another tech\n\n      if (titleTechName !== 'Html5' && this.tag) {\n        Tech.getTech('Html5').disposeMediaElement(this.tag);\n        this.tag.player = null;\n        this.tag = null;\n      }\n\n      this.techName_ = titleTechName; // Turn off API access because we're loading a new tech that might load asynchronously\n\n      this.isReady_ = false; // if autoplay is a string we pass false to the tech\n      // because the player is going to handle autoplay on `loadstart`\n\n      var autoplay = typeof this.autoplay() === 'string' ? false : this.autoplay(); // Grab tech-specific options from player options and add source and parent element to use.\n\n      var techOptions = {\n        source: source,\n        autoplay: autoplay,\n        'nativeControlsForTouch': this.options_.nativeControlsForTouch,\n        'playerId': this.id(),\n        'techId': this.id() + \"_\" + camelTechName + \"_api\",\n        'playsinline': this.options_.playsinline,\n        'preload': this.options_.preload,\n        'loop': this.options_.loop,\n        'muted': this.options_.muted,\n        'poster': this.poster(),\n        'language': this.language(),\n        'playerElIngest': this.playerElIngest_ || false,\n        'vtt.js': this.options_['vtt.js'],\n        'canOverridePoster': !!this.options_.techCanOverridePoster,\n        'enableSourceset': this.options_.enableSourceset,\n        'Promise': this.options_.Promise\n      };\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n        techOptions[props.getterName] = _this3[props.privateName];\n      });\n      assign(techOptions, this.options_[titleTechName]);\n      assign(techOptions, this.options_[camelTechName]);\n      assign(techOptions, this.options_[techName.toLowerCase()]);\n\n      if (this.tag) {\n        techOptions.tag = this.tag;\n      }\n\n      if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {\n        techOptions.startTime = this.cache_.currentTime;\n      } // Initialize tech instance\n\n\n      var TechClass = Tech.getTech(techName);\n\n      if (!TechClass) {\n        throw new Error(\"No Tech named '\" + titleTechName + \"' exists! '\" + titleTechName + \"' should be registered using videojs.registerTech()'\");\n      }\n\n      this.tech_ = new TechClass(techOptions); // player.triggerReady is always async, so don't need this to be async\n\n      this.tech_.ready(bind(this, this.handleTechReady_), true);\n      textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_); // Listen to all HTML5-defined events and trigger them on the player\n\n      TECH_EVENTS_RETRIGGER.forEach(function (event) {\n        _this3.on(_this3.tech_, event, _this3[\"handleTech\" + toTitleCase(event) + \"_\"]);\n      });\n      Object.keys(TECH_EVENTS_QUEUE).forEach(function (event) {\n        _this3.on(_this3.tech_, event, function (eventObj) {\n          if (_this3.tech_.playbackRate() === 0 && _this3.tech_.seeking()) {\n            _this3.queuedCallbacks_.push({\n              callback: _this3[\"handleTech\" + TECH_EVENTS_QUEUE[event] + \"_\"].bind(_this3),\n              event: eventObj\n            });\n\n            return;\n          }\n\n          _this3[\"handleTech\" + TECH_EVENTS_QUEUE[event] + \"_\"](eventObj);\n        });\n      });\n      this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);\n      this.on(this.tech_, 'sourceset', this.handleTechSourceset_);\n      this.on(this.tech_, 'waiting', this.handleTechWaiting_);\n      this.on(this.tech_, 'ended', this.handleTechEnded_);\n      this.on(this.tech_, 'seeking', this.handleTechSeeking_);\n      this.on(this.tech_, 'play', this.handleTechPlay_);\n      this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);\n      this.on(this.tech_, 'pause', this.handleTechPause_);\n      this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);\n      this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);\n      this.on(this.tech_, 'enterpictureinpicture', this.handleTechEnterPictureInPicture_);\n      this.on(this.tech_, 'leavepictureinpicture', this.handleTechLeavePictureInPicture_);\n      this.on(this.tech_, 'error', this.handleTechError_);\n      this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);\n      this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);\n      this.on(this.tech_, 'textdata', this.handleTechTextData_);\n      this.on(this.tech_, 'ratechange', this.handleTechRateChange_);\n      this.usingNativeControls(this.techGet_('controls'));\n\n      if (this.controls() && !this.usingNativeControls()) {\n        this.addTechControlsListeners_();\n      } // Add the tech element in the DOM if it was not already there\n      // Make sure to not insert the original video element if using Html5\n\n\n      if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {\n        prependTo(this.tech_.el(), this.el());\n      } // Get rid of the original video tag reference after the first tech is loaded\n\n\n      if (this.tag) {\n        this.tag.player = null;\n        this.tag = null;\n      }\n    }\n    /**\n     * Unload and dispose of the current playback {@link Tech}.\n     *\n     * @private\n     */\n    ;\n\n    _proto.unloadTech_ = function unloadTech_() {\n      var _this4 = this;\n\n      // Save the current text tracks so that we can reuse the same text tracks with the next tech\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n        _this4[props.privateName] = _this4[props.getterName]();\n      });\n      this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);\n      this.isReady_ = false;\n      this.tech_.dispose();\n      this.tech_ = false;\n\n      if (this.isPosterFromTech_) {\n        this.poster_ = '';\n        this.trigger('posterchange');\n      }\n\n      this.isPosterFromTech_ = false;\n    }\n    /**\n     * Return a reference to the current {@link Tech}.\n     * It will print a warning by default about the danger of using the tech directly\n     * but any argument that is passed in will silence the warning.\n     *\n     * @param {*} [safety]\n     *        Anything passed in to silence the warning\n     *\n     * @return {Tech}\n     *         The Tech\n     */\n    ;\n\n    _proto.tech = function tech(safety) {\n      if (safety === undefined) {\n        log.warn('Using the tech directly can be dangerous. I hope you know what you\\'re doing.\\n' + 'See https://github.com/videojs/video.js/issues/2617 for more info.\\n');\n      }\n\n      return this.tech_;\n    }\n    /**\n     * Set up click and touch listeners for the playback element\n     *\n     * - On desktops: a click on the video itself will toggle playback\n     * - On mobile devices: a click on the video toggles controls\n     *   which is done by toggling the user state between active and\n     *   inactive\n     * - A tap can signal that a user has become active or has become inactive\n     *   e.g. a quick tap on an iPhone movie should reveal the controls. Another\n     *   quick tap should hide them again (signaling the user is in an inactive\n     *   viewing state)\n     * - In addition to this, we still want the user to be considered inactive after\n     *   a few seconds of inactivity.\n     *\n     * > Note: the only part of iOS interaction we can't mimic with this setup\n     * is a touch and hold on the video element counting as activity in order to\n     * keep the controls showing, but that shouldn't be an issue. A touch and hold\n     * on any controls will still keep the user active\n     *\n     * @private\n     */\n    ;\n\n    _proto.addTechControlsListeners_ = function addTechControlsListeners_() {\n      // Make sure to remove all the previous listeners in case we are called multiple times.\n      this.removeTechControlsListeners_(); // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do\n      // trigger mousedown/up.\n      // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object\n      // Any touch events are set to block the mousedown event from happening\n\n      this.on(this.tech_, 'mouseup', this.handleTechClick_);\n      this.on(this.tech_, 'dblclick', this.handleTechDoubleClick_); // If the controls were hidden we don't want that to change without a tap event\n      // so we'll check if the controls were already showing before reporting user\n      // activity\n\n      this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);\n      this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);\n      this.on(this.tech_, 'touchend', this.handleTechTouchEnd_); // The tap listener needs to come after the touchend listener because the tap\n      // listener cancels out any reportedUserActivity when setting userActive(false)\n\n      this.on(this.tech_, 'tap', this.handleTechTap_);\n    }\n    /**\n     * Remove the listeners used for click and tap controls. This is needed for\n     * toggling to controls disabled, where a tap/touch should do nothing.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeTechControlsListeners_ = function removeTechControlsListeners_() {\n      // We don't want to just use `this.off()` because there might be other needed\n      // listeners added by techs that extend this.\n      this.off(this.tech_, 'tap', this.handleTechTap_);\n      this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);\n      this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);\n      this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);\n      this.off(this.tech_, 'mouseup', this.handleTechClick_);\n      this.off(this.tech_, 'dblclick', this.handleTechDoubleClick_);\n    }\n    /**\n     * Player waits for the tech to be ready\n     *\n     * @private\n     */\n    ;\n\n    _proto.handleTechReady_ = function handleTechReady_() {\n      this.triggerReady(); // Keep the same volume as before\n\n      if (this.cache_.volume) {\n        this.techCall_('setVolume', this.cache_.volume);\n      } // Look if the tech found a higher resolution poster while loading\n\n\n      this.handleTechPosterChange_(); // Update the duration if available\n\n      this.handleTechDurationChange_();\n    }\n    /**\n     * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This\n     * function will also trigger {@link Player#firstplay} if it is the first loadstart\n     * for a video.\n     *\n     * @fires Player#loadstart\n     * @fires Player#firstplay\n     * @listens Tech#loadstart\n     * @private\n     */\n    ;\n\n    _proto.handleTechLoadStart_ = function handleTechLoadStart_() {\n      // TODO: Update to use `emptied` event instead. See #1277.\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-seeking'); // reset the error state\n\n      this.error(null); // Update the duration\n\n      this.handleTechDurationChange_(); // If it's already playing we want to trigger a firstplay event now.\n      // The firstplay event relies on both the play and loadstart events\n      // which can happen in any order for a new source\n\n      if (!this.paused()) {\n        /**\n         * Fired when the user agent begins looking for media data\n         *\n         * @event Player#loadstart\n         * @type {EventTarget~Event}\n         */\n        this.trigger('loadstart');\n        this.trigger('firstplay');\n      } else {\n        // reset the hasStarted state\n        this.hasStarted(false);\n        this.trigger('loadstart');\n      } // autoplay happens after loadstart for the browser,\n      // so we mimic that behavior\n\n\n      this.manualAutoplay_(this.autoplay());\n    }\n    /**\n     * Handle autoplay string values, rather than the typical boolean\n     * values that should be handled by the tech. Note that this is not\n     * part of any specification. Valid values and what they do can be\n     * found on the autoplay getter at Player#autoplay()\n     */\n    ;\n\n    _proto.manualAutoplay_ = function manualAutoplay_(type) {\n      var _this5 = this;\n\n      if (!this.tech_ || typeof type !== 'string') {\n        return;\n      }\n\n      var muted = function muted() {\n        var previouslyMuted = _this5.muted();\n\n        _this5.muted(true);\n\n        var restoreMuted = function restoreMuted() {\n          _this5.muted(previouslyMuted);\n        }; // restore muted on play terminatation\n\n\n        _this5.playTerminatedQueue_.push(restoreMuted);\n\n        var mutedPromise = _this5.play();\n\n        if (!isPromise(mutedPromise)) {\n          return;\n        }\n\n        return mutedPromise[\"catch\"](restoreMuted);\n      };\n\n      var promise; // if muted defaults to true\n      // the only thing we can do is call play\n\n      if (type === 'any' && this.muted() !== true) {\n        promise = this.play();\n\n        if (isPromise(promise)) {\n          promise = promise[\"catch\"](muted);\n        }\n      } else if (type === 'muted' && this.muted() !== true) {\n        promise = muted();\n      } else {\n        promise = this.play();\n      }\n\n      if (!isPromise(promise)) {\n        return;\n      }\n\n      return promise.then(function () {\n        _this5.trigger({\n          type: 'autoplay-success',\n          autoplay: type\n        });\n      })[\"catch\"](function (e) {\n        _this5.trigger({\n          type: 'autoplay-failure',\n          autoplay: type\n        });\n      });\n    }\n    /**\n     * Update the internal source caches so that we return the correct source from\n     * `src()`, `currentSource()`, and `currentSources()`.\n     *\n     * > Note: `currentSources` will not be updated if the source that is passed in exists\n     *         in the current `currentSources` cache.\n     *\n     *\n     * @param {Tech~SourceObject} srcObj\n     *        A string or object source to update our caches to.\n     */\n    ;\n\n    _proto.updateSourceCaches_ = function updateSourceCaches_(srcObj) {\n      if (srcObj === void 0) {\n        srcObj = '';\n      }\n\n      var src = srcObj;\n      var type = '';\n\n      if (typeof src !== 'string') {\n        src = srcObj.src;\n        type = srcObj.type;\n      } // make sure all the caches are set to default values\n      // to prevent null checking\n\n\n      this.cache_.source = this.cache_.source || {};\n      this.cache_.sources = this.cache_.sources || []; // try to get the type of the src that was passed in\n\n      if (src && !type) {\n        type = findMimetype(this, src);\n      } // update `currentSource` cache always\n\n\n      this.cache_.source = mergeOptions({}, srcObj, {\n        src: src,\n        type: type\n      });\n      var matchingSources = this.cache_.sources.filter(function (s) {\n        return s.src && s.src === src;\n      });\n      var sourceElSources = [];\n      var sourceEls = this.$$('source');\n      var matchingSourceEls = [];\n\n      for (var i = 0; i < sourceEls.length; i++) {\n        var sourceObj = getAttributes(sourceEls[i]);\n        sourceElSources.push(sourceObj);\n\n        if (sourceObj.src && sourceObj.src === src) {\n          matchingSourceEls.push(sourceObj.src);\n        }\n      } // if we have matching source els but not matching sources\n      // the current source cache is not up to date\n\n\n      if (matchingSourceEls.length && !matchingSources.length) {\n        this.cache_.sources = sourceElSources; // if we don't have matching source or source els set the\n        // sources cache to the `currentSource` cache\n      } else if (!matchingSources.length) {\n        this.cache_.sources = [this.cache_.source];\n      } // update the tech `src` cache\n\n\n      this.cache_.src = src;\n    }\n    /**\n     * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech}\n     * causing the media element to reload.\n     *\n     * It will fire for the initial source and each subsequent source.\n     * This event is a custom event from Video.js and is triggered by the {@link Tech}.\n     *\n     * The event object for this event contains a `src` property that will contain the source\n     * that was available when the event was triggered. This is generally only necessary if Video.js\n     * is switching techs while the source was being changed.\n     *\n     * It is also fired when `load` is called on the player (or media element)\n     * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`}\n     * says that the resource selection algorithm needs to be aborted and restarted.\n     * In this case, it is very likely that the `src` property will be set to the\n     * empty string `\"\"` to indicate we do not know what the source will be but\n     * that it is changing.\n     *\n     * *This event is currently still experimental and may change in minor releases.*\n     * __To use this, pass `enableSourceset` option to the player.__\n     *\n     * @event Player#sourceset\n     * @type {EventTarget~Event}\n     * @prop {string} src\n     *                The source url available when the `sourceset` was triggered.\n     *                It will be an empty string if we cannot know what the source is\n     *                but know that the source will change.\n     */\n\n    /**\n     * Retrigger the `sourceset` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#sourceset\n     * @listens Tech#sourceset\n     * @private\n     */\n    ;\n\n    _proto.handleTechSourceset_ = function handleTechSourceset_(event) {\n      var _this6 = this;\n\n      // only update the source cache when the source\n      // was not updated using the player api\n      if (!this.changingSrc_) {\n        var updateSourceCaches = function updateSourceCaches(src) {\n          return _this6.updateSourceCaches_(src);\n        };\n\n        var playerSrc = this.currentSource().src;\n        var eventSrc = event.src; // if we have a playerSrc that is not a blob, and a tech src that is a blob\n\n        if (playerSrc && !/^blob:/.test(playerSrc) && /^blob:/.test(eventSrc)) {\n          // if both the tech source and the player source were updated we assume\n          // something like @videojs/http-streaming did the sourceset and skip updating the source cache.\n          if (!this.lastSource_ || this.lastSource_.tech !== eventSrc && this.lastSource_.player !== playerSrc) {\n            updateSourceCaches = function updateSourceCaches() {};\n          }\n        } // update the source to the intial source right away\n        // in some cases this will be empty string\n\n\n        updateSourceCaches(eventSrc); // if the `sourceset` `src` was an empty string\n        // wait for a `loadstart` to update the cache to `currentSrc`.\n        // If a sourceset happens before a `loadstart`, we reset the state\n\n        if (!event.src) {\n          this.tech_.any(['sourceset', 'loadstart'], function (e) {\n            // if a sourceset happens before a `loadstart` there\n            // is nothing to do as this `handleTechSourceset_`\n            // will be called again and this will be handled there.\n            if (e.type === 'sourceset') {\n              return;\n            }\n\n            var techSrc = _this6.techGet('currentSrc');\n\n            _this6.lastSource_.tech = techSrc;\n\n            _this6.updateSourceCaches_(techSrc);\n          });\n        }\n      }\n\n      this.lastSource_ = {\n        player: this.currentSource().src,\n        tech: event.src\n      };\n      this.trigger({\n        src: event.src,\n        type: 'sourceset'\n      });\n    }\n    /**\n     * Add/remove the vjs-has-started class\n     *\n     * @fires Player#firstplay\n     *\n     * @param {boolean} request\n     *        - true: adds the class\n     *        - false: remove the class\n     *\n     * @return {boolean}\n     *         the boolean value of hasStarted_\n     */\n    ;\n\n    _proto.hasStarted = function hasStarted(request) {\n      if (request === undefined) {\n        // act as getter, if we have no request to change\n        return this.hasStarted_;\n      }\n\n      if (request === this.hasStarted_) {\n        return;\n      }\n\n      this.hasStarted_ = request;\n\n      if (this.hasStarted_) {\n        this.addClass('vjs-has-started');\n        this.trigger('firstplay');\n      } else {\n        this.removeClass('vjs-has-started');\n      }\n    }\n    /**\n     * Fired whenever the media begins or resumes playback\n     *\n     * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}\n     * @fires Player#play\n     * @listens Tech#play\n     * @private\n     */\n    ;\n\n    _proto.handleTechPlay_ = function handleTechPlay_() {\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-paused');\n      this.addClass('vjs-playing'); // hide the poster when the user hits play\n\n      this.hasStarted(true);\n      /**\n       * Triggered whenever an {@link Tech#play} event happens. Indicates that\n       * playback has started or resumed.\n       *\n       * @event Player#play\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('play');\n    }\n    /**\n     * Retrigger the `ratechange` event that was triggered by the {@link Tech}.\n     *\n     * If there were any events queued while the playback rate was zero, fire\n     * those events now.\n     *\n     * @private\n     * @method Player#handleTechRateChange_\n     * @fires Player#ratechange\n     * @listens Tech#ratechange\n     */\n    ;\n\n    _proto.handleTechRateChange_ = function handleTechRateChange_() {\n      if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) {\n        this.queuedCallbacks_.forEach(function (queued) {\n          return queued.callback(queued.event);\n        });\n        this.queuedCallbacks_ = [];\n      }\n\n      this.cache_.lastPlaybackRate = this.tech_.playbackRate();\n      /**\n       * Fires when the playing speed of the audio/video is changed\n       *\n       * @event Player#ratechange\n       * @type {event}\n       */\n\n      this.trigger('ratechange');\n    }\n    /**\n     * Retrigger the `waiting` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#waiting\n     * @listens Tech#waiting\n     * @private\n     */\n    ;\n\n    _proto.handleTechWaiting_ = function handleTechWaiting_() {\n      var _this7 = this;\n\n      this.addClass('vjs-waiting');\n      /**\n       * A readyState change on the DOM element has caused playback to stop.\n       *\n       * @event Player#waiting\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('waiting'); // Browsers may emit a timeupdate event after a waiting event. In order to prevent\n      // premature removal of the waiting class, wait for the time to change.\n\n      var timeWhenWaiting = this.currentTime();\n\n      var timeUpdateListener = function timeUpdateListener() {\n        if (timeWhenWaiting !== _this7.currentTime()) {\n          _this7.removeClass('vjs-waiting');\n\n          _this7.off('timeupdate', timeUpdateListener);\n        }\n      };\n\n      this.on('timeupdate', timeUpdateListener);\n    }\n    /**\n     * Retrigger the `canplay` event that was triggered by the {@link Tech}.\n     * > Note: This is not consistent between browsers. See #1351\n     *\n     * @fires Player#canplay\n     * @listens Tech#canplay\n     * @private\n     */\n    ;\n\n    _proto.handleTechCanPlay_ = function handleTechCanPlay_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media has a readyState of HAVE_FUTURE_DATA or greater.\n       *\n       * @event Player#canplay\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('canplay');\n    }\n    /**\n     * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#canplaythrough\n     * @listens Tech#canplaythrough\n     * @private\n     */\n    ;\n\n    _proto.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the\n       * entire media file can be played without buffering.\n       *\n       * @event Player#canplaythrough\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('canplaythrough');\n    }\n    /**\n     * Retrigger the `playing` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#playing\n     * @listens Tech#playing\n     * @private\n     */\n    ;\n\n    _proto.handleTechPlaying_ = function handleTechPlaying_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media is no longer blocked from playback, and has started playing.\n       *\n       * @event Player#playing\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('playing');\n    }\n    /**\n     * Retrigger the `seeking` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#seeking\n     * @listens Tech#seeking\n     * @private\n     */\n    ;\n\n    _proto.handleTechSeeking_ = function handleTechSeeking_() {\n      this.addClass('vjs-seeking');\n      /**\n       * Fired whenever the player is jumping to a new time\n       *\n       * @event Player#seeking\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('seeking');\n    }\n    /**\n     * Retrigger the `seeked` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#seeked\n     * @listens Tech#seeked\n     * @private\n     */\n    ;\n\n    _proto.handleTechSeeked_ = function handleTechSeeked_() {\n      this.removeClass('vjs-seeking');\n      this.removeClass('vjs-ended');\n      /**\n       * Fired when the player has finished jumping to a new time\n       *\n       * @event Player#seeked\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('seeked');\n    }\n    /**\n     * Retrigger the `firstplay` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#firstplay\n     * @listens Tech#firstplay\n     * @deprecated As of 6.0 firstplay event is deprecated.\n     *             As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.\n     * @private\n     */\n    ;\n\n    _proto.handleTechFirstPlay_ = function handleTechFirstPlay_() {\n      // If the first starttime attribute is specified\n      // then we will start at the given offset in seconds\n      if (this.options_.starttime) {\n        log.warn('Passing the `starttime` option to the player will be deprecated in 6.0');\n        this.currentTime(this.options_.starttime);\n      }\n\n      this.addClass('vjs-has-started');\n      /**\n       * Fired the first time a video is played. Not part of the HLS spec, and this is\n       * probably not the best implementation yet, so use sparingly. If you don't have a\n       * reason to prevent playback, use `myPlayer.one('play');` instead.\n       *\n       * @event Player#firstplay\n       * @deprecated As of 6.0 firstplay event is deprecated.\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('firstplay');\n    }\n    /**\n     * Retrigger the `pause` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#pause\n     * @listens Tech#pause\n     * @private\n     */\n    ;\n\n    _proto.handleTechPause_ = function handleTechPause_() {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-paused');\n      /**\n       * Fired whenever the media has been paused\n       *\n       * @event Player#pause\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('pause');\n    }\n    /**\n     * Retrigger the `ended` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#ended\n     * @listens Tech#ended\n     * @private\n     */\n    ;\n\n    _proto.handleTechEnded_ = function handleTechEnded_() {\n      this.addClass('vjs-ended');\n\n      if (this.options_.loop) {\n        this.currentTime(0);\n        this.play();\n      } else if (!this.paused()) {\n        this.pause();\n      }\n      /**\n       * Fired when the end of the media resource is reached (currentTime == duration)\n       *\n       * @event Player#ended\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger('ended');\n    }\n    /**\n     * Fired when the duration of the media resource is first known or changed\n     *\n     * @listens Tech#durationchange\n     * @private\n     */\n    ;\n\n    _proto.handleTechDurationChange_ = function handleTechDurationChange_() {\n      this.duration(this.techGet_('duration'));\n    }\n    /**\n     * Handle a click on the media element to play/pause\n     *\n     * @param {EventTarget~Event} event\n     *        the event that caused this function to trigger\n     *\n     * @listens Tech#mouseup\n     * @private\n     */\n    ;\n\n    _proto.handleTechClick_ = function handleTechClick_(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      } // When controls are disabled a click should not toggle playback because\n      // the click is considered a control\n\n\n      if (!this.controls_) {\n        return;\n      }\n\n      if (this.paused()) {\n        silencePromise(this.play());\n      } else {\n        this.pause();\n      }\n    }\n    /**\n     * Handle a double-click on the media element to enter/exit fullscreen\n     *\n     * @param {EventTarget~Event} event\n     *        the event that caused this function to trigger\n     *\n     * @listens Tech#dblclick\n     * @private\n     */\n    ;\n\n    _proto.handleTechDoubleClick_ = function handleTechDoubleClick_(event) {\n      if (!this.controls_) {\n        return;\n      } // we do not want to toggle fullscreen state\n      // when double-clicking inside a control bar or a modal\n\n\n      var inAllowedEls = Array.prototype.some.call(this.$$('.vjs-control-bar, .vjs-modal-dialog'), function (el) {\n        return el.contains(event.target);\n      });\n\n      if (!inAllowedEls) {\n        /*\n         * options.userActions.doubleClick\n         *\n         * If `undefined` or `true`, double-click toggles fullscreen if controls are present\n         * Set to `false` to disable double-click handling\n         * Set to a function to substitute an external double-click handler\n         */\n        if (this.options_ === undefined || this.options_.userActions === undefined || this.options_.userActions.doubleClick === undefined || this.options_.userActions.doubleClick !== false) {\n          if (this.options_ !== undefined && this.options_.userActions !== undefined && typeof this.options_.userActions.doubleClick === 'function') {\n            this.options_.userActions.doubleClick.call(this, event);\n          } else if (this.isFullscreen()) {\n            this.exitFullscreen();\n          } else {\n            this.requestFullscreen();\n          }\n        }\n      }\n    }\n    /**\n     * Handle a tap on the media element. It will toggle the user\n     * activity state, which hides and shows the controls.\n     *\n     * @listens Tech#tap\n     * @private\n     */\n    ;\n\n    _proto.handleTechTap_ = function handleTechTap_() {\n      this.userActive(!this.userActive());\n    }\n    /**\n     * Handle touch to start\n     *\n     * @listens Tech#touchstart\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchStart_ = function handleTechTouchStart_() {\n      this.userWasActive = this.userActive();\n    }\n    /**\n     * Handle touch to move\n     *\n     * @listens Tech#touchmove\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchMove_ = function handleTechTouchMove_() {\n      if (this.userWasActive) {\n        this.reportUserActivity();\n      }\n    }\n    /**\n     * Handle touch to end\n     *\n     * @param {EventTarget~Event} event\n     *        the touchend event that triggered\n     *        this function\n     *\n     * @listens Tech#touchend\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {\n      // Stop the mouse events from also happening\n      event.preventDefault();\n    }\n    /**\n     * native click events on the SWF aren't triggered on IE11, Win8.1RT\n     * use stageclick events triggered from inside the SWF instead\n     *\n     * @private\n     * @listens stageclick\n     */\n    ;\n\n    _proto.handleStageClick_ = function handleStageClick_() {\n      this.reportUserActivity();\n    }\n    /**\n     * @private\n     */\n    ;\n\n    _proto.toggleFullscreenClass_ = function toggleFullscreenClass_() {\n      if (this.isFullscreen()) {\n        this.addClass('vjs-fullscreen');\n      } else {\n        this.removeClass('vjs-fullscreen');\n      }\n    }\n    /**\n     * when the document fschange event triggers it calls this\n     */\n    ;\n\n    _proto.documentFullscreenChange_ = function documentFullscreenChange_(e) {\n      var targetPlayer = e.target.player; // if another player was fullscreen\n      // do a null check for targetPlayer because older firefox's would put document as e.target\n\n      if (targetPlayer && targetPlayer !== this) {\n        return;\n      }\n\n      var el = this.el();\n      var isFs = document[this.fsApi_.fullscreenElement] === el;\n\n      if (!isFs && el.matches) {\n        isFs = el.matches(':' + this.fsApi_.fullscreen);\n      } else if (!isFs && el.msMatchesSelector) {\n        isFs = el.msMatchesSelector(':' + this.fsApi_.fullscreen);\n      }\n\n      this.isFullscreen(isFs);\n    }\n    /**\n     * Handle Tech Fullscreen Change\n     *\n     * @param {EventTarget~Event} event\n     *        the fullscreenchange event that triggered this function\n     *\n     * @param {Object} data\n     *        the data that was sent with the event\n     *\n     * @private\n     * @listens Tech#fullscreenchange\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {\n      if (data) {\n        this.isFullscreen(data.isFullscreen);\n      }\n    }\n    /**\n     * @private\n     */\n    ;\n\n    _proto.togglePictureInPictureClass_ = function togglePictureInPictureClass_() {\n      if (this.isInPictureInPicture()) {\n        this.addClass('vjs-picture-in-picture');\n      } else {\n        this.removeClass('vjs-picture-in-picture');\n      }\n    }\n    /**\n     * Handle Tech Enter Picture-in-Picture.\n     *\n     * @param {EventTarget~Event} event\n     *        the enterpictureinpicture event that triggered this function\n     *\n     * @private\n     * @listens Tech#enterpictureinpicture\n     */\n    ;\n\n    _proto.handleTechEnterPictureInPicture_ = function handleTechEnterPictureInPicture_(event) {\n      this.isInPictureInPicture(true);\n    }\n    /**\n     * Handle Tech Leave Picture-in-Picture.\n     *\n     * @param {EventTarget~Event} event\n     *        the leavepictureinpicture event that triggered this function\n     *\n     * @private\n     * @listens Tech#leavepictureinpicture\n     */\n    ;\n\n    _proto.handleTechLeavePictureInPicture_ = function handleTechLeavePictureInPicture_(event) {\n      this.isInPictureInPicture(false);\n    }\n    /**\n     * Fires when an error occurred during the loading of an audio/video.\n     *\n     * @private\n     * @listens Tech#error\n     */\n    ;\n\n    _proto.handleTechError_ = function handleTechError_() {\n      var error = this.tech_.error();\n      this.error(error);\n    }\n    /**\n     * Retrigger the `textdata` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#textdata\n     * @listens Tech#textdata\n     * @private\n     */\n    ;\n\n    _proto.handleTechTextData_ = function handleTechTextData_() {\n      var data = null;\n\n      if (arguments.length > 1) {\n        data = arguments[1];\n      }\n      /**\n       * Fires when we get a textdata event from tech\n       *\n       * @event Player#textdata\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger('textdata', data);\n    }\n    /**\n     * Get object for cached values.\n     *\n     * @return {Object}\n     *         get the current object cache\n     */\n    ;\n\n    _proto.getCache = function getCache() {\n      return this.cache_;\n    }\n    /**\n     * Resets the internal cache object.\n     *\n     * Using this function outside the player constructor or reset method may\n     * have unintended side-effects.\n     *\n     * @private\n     */\n    ;\n\n    _proto.resetCache_ = function resetCache_() {\n      this.cache_ = {\n        // Right now, the currentTime is not _really_ cached because it is always\n        // retrieved from the tech (see: currentTime). However, for completeness,\n        // we set it to zero here to ensure that if we do start actually caching\n        // it, we reset it along with everything else.\n        currentTime: 0,\n        inactivityTimeout: this.options_.inactivityTimeout,\n        duration: NaN,\n        lastVolume: 1,\n        lastPlaybackRate: this.defaultPlaybackRate(),\n        media: null,\n        src: '',\n        source: {},\n        sources: [],\n        volume: 1\n      };\n    }\n    /**\n     * Pass values to the playback tech\n     *\n     * @param {string} [method]\n     *        the method to call\n     *\n     * @param {Object} arg\n     *        the argument to pass\n     *\n     * @private\n     */\n    ;\n\n    _proto.techCall_ = function techCall_(method, arg) {\n      // If it's not ready yet, call method when it is\n      this.ready(function () {\n        if (method in allowedSetters) {\n          return set(this.middleware_, this.tech_, method, arg);\n        } else if (method in allowedMediators) {\n          return mediate(this.middleware_, this.tech_, method, arg);\n        }\n\n        try {\n          if (this.tech_) {\n            this.tech_[method](arg);\n          }\n        } catch (e) {\n          log(e);\n          throw e;\n        }\n      }, true);\n    }\n    /**\n     * Get calls can't wait for the tech, and sometimes don't need to.\n     *\n     * @param {string} method\n     *        Tech method\n     *\n     * @return {Function|undefined}\n     *         the method or undefined\n     *\n     * @private\n     */\n    ;\n\n    _proto.techGet_ = function techGet_(method) {\n      if (!this.tech_ || !this.tech_.isReady_) {\n        return;\n      }\n\n      if (method in allowedGetters) {\n        return get(this.middleware_, this.tech_, method);\n      } else if (method in allowedMediators) {\n        return mediate(this.middleware_, this.tech_, method);\n      } // Flash likes to die and reload when you hide or reposition it.\n      // In these cases the object methods go away and we get errors.\n      // When that happens we'll catch the errors and inform tech that it's not ready any more.\n\n\n      try {\n        return this.tech_[method]();\n      } catch (e) {\n        // When building additional tech libs, an expected method may not be defined yet\n        if (this.tech_[method] === undefined) {\n          log(\"Video.js: \" + method + \" method not defined for \" + this.techName_ + \" playback technology.\", e);\n          throw e;\n        } // When a method isn't available on the object it throws a TypeError\n\n\n        if (e.name === 'TypeError') {\n          log(\"Video.js: \" + method + \" unavailable on \" + this.techName_ + \" playback technology element.\", e);\n          this.tech_.isReady_ = false;\n          throw e;\n        } // If error unknown, just log and throw\n\n\n        log(e);\n        throw e;\n      }\n    }\n    /**\n     * Attempt to begin playback at the first opportunity.\n     *\n     * @return {Promise|undefined}\n     *         Returns a promise if the browser supports Promises (or one\n     *         was passed in as an option). This promise will be resolved on\n     *         the return value of play. If this is undefined it will fulfill the\n     *         promise chain otherwise the promise chain will be fulfilled when\n     *         the promise from play is fulfilled.\n     */\n    ;\n\n    _proto.play = function play() {\n      var _this8 = this;\n\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (PromiseClass) {\n        return new PromiseClass(function (resolve) {\n          _this8.play_(resolve);\n        });\n      }\n\n      return this.play_();\n    }\n    /**\n     * The actual logic for play, takes a callback that will be resolved on the\n     * return value of play. This allows us to resolve to the play promise if there\n     * is one on modern browsers.\n     *\n     * @private\n     * @param {Function} [callback]\n     *        The callback that should be called when the techs play is actually called\n     */\n    ;\n\n    _proto.play_ = function play_(callback) {\n      var _this9 = this;\n\n      if (callback === void 0) {\n        callback = silencePromise;\n      }\n\n      this.playCallbacks_.push(callback);\n      var isSrcReady = Boolean(!this.changingSrc_ && (this.src() || this.currentSrc())); // treat calls to play_ somewhat like the `one` event function\n\n      if (this.waitToPlay_) {\n        this.off(['ready', 'loadstart'], this.waitToPlay_);\n        this.waitToPlay_ = null;\n      } // if the player/tech is not ready or the src itself is not ready\n      // queue up a call to play on `ready` or `loadstart`\n\n\n      if (!this.isReady_ || !isSrcReady) {\n        this.waitToPlay_ = function (e) {\n          _this9.play_();\n        };\n\n        this.one(['ready', 'loadstart'], this.waitToPlay_); // if we are in Safari, there is a high chance that loadstart will trigger after the gesture timeperiod\n        // in that case, we need to prime the video element by calling load so it'll be ready in time\n\n        if (!isSrcReady && (IS_ANY_SAFARI || IS_IOS)) {\n          this.load();\n        }\n\n        return;\n      } // If the player/tech is ready and we have a source, we can attempt playback.\n\n\n      var val = this.techGet_('play'); // play was terminated if the returned value is null\n\n      if (val === null) {\n        this.runPlayTerminatedQueue_();\n      } else {\n        this.runPlayCallbacks_(val);\n      }\n    }\n    /**\n     * These functions will be run when if play is terminated. If play\n     * runPlayCallbacks_ is run these function will not be run. This allows us\n     * to differenciate between a terminated play and an actual call to play.\n     */\n    ;\n\n    _proto.runPlayTerminatedQueue_ = function runPlayTerminatedQueue_() {\n      var queue = this.playTerminatedQueue_.slice(0);\n      this.playTerminatedQueue_ = [];\n      queue.forEach(function (q) {\n        q();\n      });\n    }\n    /**\n     * When a callback to play is delayed we have to run these\n     * callbacks when play is actually called on the tech. This function\n     * runs the callbacks that were delayed and accepts the return value\n     * from the tech.\n     *\n     * @param {undefined|Promise} val\n     *        The return value from the tech.\n     */\n    ;\n\n    _proto.runPlayCallbacks_ = function runPlayCallbacks_(val) {\n      var callbacks = this.playCallbacks_.slice(0);\n      this.playCallbacks_ = []; // clear play terminatedQueue since we finished a real play\n\n      this.playTerminatedQueue_ = [];\n      callbacks.forEach(function (cb) {\n        cb(val);\n      });\n    }\n    /**\n     * Pause the video playback\n     *\n     * @return {Player}\n     *         A reference to the player object this function was called on\n     */\n    ;\n\n    _proto.pause = function pause() {\n      this.techCall_('pause');\n    }\n    /**\n     * Check if the player is paused or has yet to play\n     *\n     * @return {boolean}\n     *         - false: if the media is currently playing\n     *         - true: if media is not currently playing\n     */\n    ;\n\n    _proto.paused = function paused() {\n      // The initial state of paused should be true (in Safari it's actually false)\n      return this.techGet_('paused') === false ? false : true;\n    }\n    /**\n     * Get a TimeRange object representing the current ranges of time that the user\n     * has played.\n     *\n     * @return {TimeRange}\n     *         A time range object that represents all the increments of time that have\n     *         been played.\n     */\n    ;\n\n    _proto.played = function played() {\n      return this.techGet_('played') || createTimeRanges(0, 0);\n    }\n    /**\n     * Returns whether or not the user is \"scrubbing\". Scrubbing is\n     * when the user has clicked the progress bar handle and is\n     * dragging it along the progress bar.\n     *\n     * @param {boolean} [isScrubbing]\n     *        whether the user is or is not scrubbing\n     *\n     * @return {boolean}\n     *         The value of scrubbing when getting\n     */\n    ;\n\n    _proto.scrubbing = function scrubbing(isScrubbing) {\n      if (typeof isScrubbing === 'undefined') {\n        return this.scrubbing_;\n      }\n\n      this.scrubbing_ = !!isScrubbing;\n\n      if (isScrubbing) {\n        this.addClass('vjs-scrubbing');\n      } else {\n        this.removeClass('vjs-scrubbing');\n      }\n    }\n    /**\n     * Get or set the current time (in seconds)\n     *\n     * @param {number|string} [seconds]\n     *        The time to seek to in seconds\n     *\n     * @return {number}\n     *         - the current time in seconds when getting\n     */\n    ;\n\n    _proto.currentTime = function currentTime(seconds) {\n      if (typeof seconds !== 'undefined') {\n        if (seconds < 0) {\n          seconds = 0;\n        }\n\n        this.techCall_('setCurrentTime', seconds);\n        return;\n      } // cache last currentTime and return. default to 0 seconds\n      //\n      // Caching the currentTime is meant to prevent a massive amount of reads on the tech's\n      // currentTime when scrubbing, but may not provide much performance benefit afterall.\n      // Should be tested. Also something has to read the actual current time or the cache will\n      // never get updated.\n\n\n      this.cache_.currentTime = this.techGet_('currentTime') || 0;\n      return this.cache_.currentTime;\n    }\n    /**\n     * Normally gets the length in time of the video in seconds;\n     * in all but the rarest use cases an argument will NOT be passed to the method\n     *\n     * > **NOTE**: The video must have started loading before the duration can be\n     * known, and in the case of Flash, may not be known until the video starts\n     * playing.\n     *\n     * @fires Player#durationchange\n     *\n     * @param {number} [seconds]\n     *        The duration of the video to set in seconds\n     *\n     * @return {number}\n     *         - The duration of the video in seconds when getting\n     */\n    ;\n\n    _proto.duration = function duration(seconds) {\n      if (seconds === undefined) {\n        // return NaN if the duration is not known\n        return this.cache_.duration !== undefined ? this.cache_.duration : NaN;\n      }\n\n      seconds = parseFloat(seconds); // Standardize on Infinity for signaling video is live\n\n      if (seconds < 0) {\n        seconds = Infinity;\n      }\n\n      if (seconds !== this.cache_.duration) {\n        // Cache the last set value for optimized scrubbing (esp. Flash)\n        this.cache_.duration = seconds;\n\n        if (seconds === Infinity) {\n          this.addClass('vjs-live');\n        } else {\n          this.removeClass('vjs-live');\n        }\n\n        if (!isNaN(seconds)) {\n          // Do not fire durationchange unless the duration value is known.\n          // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}\n\n          /**\n           * @event Player#durationchange\n           * @type {EventTarget~Event}\n           */\n          this.trigger('durationchange');\n        }\n      }\n    }\n    /**\n     * Calculates how much time is left in the video. Not part\n     * of the native video API.\n     *\n     * @return {number}\n     *         The time remaining in seconds\n     */\n    ;\n\n    _proto.remainingTime = function remainingTime() {\n      return this.duration() - this.currentTime();\n    }\n    /**\n     * A remaining time function that is intented to be used when\n     * the time is to be displayed directly to the user.\n     *\n     * @return {number}\n     *         The rounded time remaining in seconds\n     */\n    ;\n\n    _proto.remainingTimeDisplay = function remainingTimeDisplay() {\n      return Math.floor(this.duration()) - Math.floor(this.currentTime());\n    } //\n    // Kind of like an array of portions of the video that have been downloaded.\n\n    /**\n     * Get a TimeRange object with an array of the times of the video\n     * that have been downloaded. If you just want the percent of the\n     * video that's been downloaded, use bufferedPercent.\n     *\n     * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}\n     *\n     * @return {TimeRange}\n     *         A mock TimeRange object (following HTML spec)\n     */\n    ;\n\n    _proto.buffered = function buffered() {\n      var buffered = this.techGet_('buffered');\n\n      if (!buffered || !buffered.length) {\n        buffered = createTimeRanges(0, 0);\n      }\n\n      return buffered;\n    }\n    /**\n     * Get the percent (as a decimal) of the video that's been downloaded.\n     * This method is not a part of the native HTML video API.\n     *\n     * @return {number}\n     *         A decimal between 0 and 1 representing the percent\n     *         that is buffered 0 being 0% and 1 being 100%\n     */\n    ;\n\n    _proto.bufferedPercent = function bufferedPercent$1() {\n      return bufferedPercent(this.buffered(), this.duration());\n    }\n    /**\n     * Get the ending time of the last buffered time range\n     * This is used in the progress bar to encapsulate all time ranges.\n     *\n     * @return {number}\n     *         The end of the last buffered time range\n     */\n    ;\n\n    _proto.bufferedEnd = function bufferedEnd() {\n      var buffered = this.buffered();\n      var duration = this.duration();\n      var end = buffered.end(buffered.length - 1);\n\n      if (end > duration) {\n        end = duration;\n      }\n\n      return end;\n    }\n    /**\n     * Get or set the current volume of the media\n     *\n     * @param  {number} [percentAsDecimal]\n     *         The new volume as a decimal percent:\n     *         - 0 is muted/0%/off\n     *         - 1.0 is 100%/full\n     *         - 0.5 is half volume or 50%\n     *\n     * @return {number}\n     *         The current volume as a percent when getting\n     */\n    ;\n\n    _proto.volume = function volume(percentAsDecimal) {\n      var vol;\n\n      if (percentAsDecimal !== undefined) {\n        // Force value to between 0 and 1\n        vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));\n        this.cache_.volume = vol;\n        this.techCall_('setVolume', vol);\n\n        if (vol > 0) {\n          this.lastVolume_(vol);\n        }\n\n        return;\n      } // Default to 1 when returning current volume.\n\n\n      vol = parseFloat(this.techGet_('volume'));\n      return isNaN(vol) ? 1 : vol;\n    }\n    /**\n     * Get the current muted state, or turn mute on or off\n     *\n     * @param {boolean} [muted]\n     *        - true to mute\n     *        - false to unmute\n     *\n     * @return {boolean}\n     *         - true if mute is on and getting\n     *         - false if mute is off and getting\n     */\n    ;\n\n    _proto.muted = function muted(_muted) {\n      if (_muted !== undefined) {\n        this.techCall_('setMuted', _muted);\n        return;\n      }\n\n      return this.techGet_('muted') || false;\n    }\n    /**\n     * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted\n     * indicates the state of muted on initial playback.\n     *\n     * ```js\n     *   var myPlayer = videojs('some-player-id');\n     *\n     *   myPlayer.src(\"http://www.example.com/path/to/video.mp4\");\n     *\n     *   // get, should be false\n     *   console.log(myPlayer.defaultMuted());\n     *   // set to true\n     *   myPlayer.defaultMuted(true);\n     *   // get should be true\n     *   console.log(myPlayer.defaultMuted());\n     * ```\n     *\n     * @param {boolean} [defaultMuted]\n     *        - true to mute\n     *        - false to unmute\n     *\n     * @return {boolean|Player}\n     *         - true if defaultMuted is on and getting\n     *         - false if defaultMuted is off and getting\n     *         - A reference to the current player when setting\n     */\n    ;\n\n    _proto.defaultMuted = function defaultMuted(_defaultMuted) {\n      if (_defaultMuted !== undefined) {\n        return this.techCall_('setDefaultMuted', _defaultMuted);\n      }\n\n      return this.techGet_('defaultMuted') || false;\n    }\n    /**\n     * Get the last volume, or set it\n     *\n     * @param  {number} [percentAsDecimal]\n     *         The new last volume as a decimal percent:\n     *         - 0 is muted/0%/off\n     *         - 1.0 is 100%/full\n     *         - 0.5 is half volume or 50%\n     *\n     * @return {number}\n     *         the current value of lastVolume as a percent when getting\n     *\n     * @private\n     */\n    ;\n\n    _proto.lastVolume_ = function lastVolume_(percentAsDecimal) {\n      if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {\n        this.cache_.lastVolume = percentAsDecimal;\n        return;\n      }\n\n      return this.cache_.lastVolume;\n    }\n    /**\n     * Check if current tech can support native fullscreen\n     * (e.g. with built in controls like iOS, so not our flash swf)\n     *\n     * @return {boolean}\n     *         if native fullscreen is supported\n     */\n    ;\n\n    _proto.supportsFullScreen = function supportsFullScreen() {\n      return this.techGet_('supportsFullScreen') || false;\n    }\n    /**\n     * Check if the player is in fullscreen mode or tell the player that it\n     * is or is not in fullscreen mode.\n     *\n     * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official\n     * property and instead document.fullscreenElement is used. But isFullscreen is\n     * still a valuable property for internal player workings.\n     *\n     * @param  {boolean} [isFS]\n     *         Set the players current fullscreen state\n     *\n     * @return {boolean}\n     *         - true if fullscreen is on and getting\n     *         - false if fullscreen is off and getting\n     */\n    ;\n\n    _proto.isFullscreen = function isFullscreen(isFS) {\n      if (isFS !== undefined) {\n        var oldValue = this.isFullscreen_;\n        this.isFullscreen_ = Boolean(isFS); // if we changed fullscreen state and we're in prefixed mode, trigger fullscreenchange\n        // this is the only place where we trigger fullscreenchange events for older browsers\n        // fullWindow mode is treated as a prefixed event and will get a fullscreenchange event as well\n\n        if (this.isFullscreen_ !== oldValue && this.fsApi_.prefixed) {\n          /**\n             * @event Player#fullscreenchange\n             * @type {EventTarget~Event}\n             */\n          this.trigger('fullscreenchange');\n        }\n\n        this.toggleFullscreenClass_();\n        return;\n      }\n\n      return this.isFullscreen_;\n    }\n    /**\n     * Increase the size of the video to full screen\n     * In some browsers, full screen is not supported natively, so it enters\n     * \"full window mode\", where the video fills the browser window.\n     * In browsers and devices that support native full screen, sometimes the\n     * browser's default controls will be shown, and not the Video.js custom skin.\n     * This includes most mobile devices (iOS, Android) and older versions of\n     * Safari.\n     *\n     * @param  {Object} [fullscreenOptions]\n     *         Override the player fullscreen options\n     *\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.requestFullscreen = function requestFullscreen(fullscreenOptions) {\n      var _this10 = this;\n\n      var fsOptions; // Only pass fullscreen options to requestFullscreen in spec-compliant browsers.\n      // Use defaults or player configured option unless passed directly to this method.\n\n      if (!this.fsApi_.prefixed) {\n        fsOptions = this.options_.fullscreen && this.options_.fullscreen.options || {};\n\n        if (fullscreenOptions !== undefined) {\n          fsOptions = fullscreenOptions;\n        }\n      } // This method works as follows:\n      // 1. if a fullscreen api is available, use it\n      //   1. call requestFullscreen with potential options\n      //   2. if we got a promise from above, use it to update isFullscreen()\n      // 2. otherwise, if the tech supports fullscreen, call `enterFullScreen` on it.\n      //   This is particularly used for iPhone, older iPads, and non-safari browser on iOS.\n      // 3. otherwise, use \"fullWindow\" mode\n\n\n      if (this.fsApi_.requestFullscreen) {\n        var promise = this.el_[this.fsApi_.requestFullscreen](fsOptions);\n\n        if (promise) {\n          promise.then(function () {\n            return _this10.isFullscreen(true);\n          }, function () {\n            return _this10.isFullscreen(false);\n          });\n        }\n\n        return promise;\n      } else if (this.tech_.supportsFullScreen()) {\n        // we can't take the video.js controls fullscreen but we can go fullscreen\n        // with native controls\n        this.techCall_('enterFullScreen');\n      } else {\n        // fullscreen isn't supported so we'll just stretch the video element to\n        // fill the viewport\n        this.enterFullWindow();\n      }\n    }\n    /**\n     * Return the video to its normal size after having been in full screen mode\n     *\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.exitFullscreen = function exitFullscreen() {\n      var _this11 = this;\n\n      if (this.fsApi_.requestFullscreen) {\n        var promise = document[this.fsApi_.exitFullscreen]();\n\n        if (promise) {\n          promise.then(function () {\n            return _this11.isFullscreen(false);\n          });\n        }\n\n        return promise;\n      } else if (this.tech_.supportsFullScreen()) {\n        this.techCall_('exitFullScreen');\n      } else {\n        this.exitFullWindow();\n      }\n    }\n    /**\n     * When fullscreen isn't supported we can stretch the\n     * video container to as wide as the browser will let us.\n     *\n     * @fires Player#enterFullWindow\n     */\n    ;\n\n    _proto.enterFullWindow = function enterFullWindow() {\n      this.isFullscreen(true);\n      this.isFullWindow = true; // Storing original doc overflow value to return to when fullscreen is off\n\n      this.docOrigOverflow = document.documentElement.style.overflow; // Add listener for esc key to exit fullscreen\n\n      on(document, 'keydown', this.boundFullWindowOnEscKey_); // Hide any scroll bars\n\n      document.documentElement.style.overflow = 'hidden'; // Apply fullscreen styles\n\n      addClass(document.body, 'vjs-full-window');\n      /**\n       * @event Player#enterFullWindow\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('enterFullWindow');\n    }\n    /**\n     * Check for call to either exit full window or\n     * full screen on ESC key\n     *\n     * @param {string} event\n     *        Event to check for key press\n     */\n    ;\n\n    _proto.fullWindowOnEscKey = function fullWindowOnEscKey(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        if (this.isFullscreen() === true) {\n          this.exitFullscreen();\n        } else {\n          this.exitFullWindow();\n        }\n      }\n    }\n    /**\n     * Exit full window\n     *\n     * @fires Player#exitFullWindow\n     */\n    ;\n\n    _proto.exitFullWindow = function exitFullWindow() {\n      this.isFullscreen(false);\n      this.isFullWindow = false;\n      off(document, 'keydown', this.boundFullWindowOnEscKey_); // Unhide scroll bars.\n\n      document.documentElement.style.overflow = this.docOrigOverflow; // Remove fullscreen styles\n\n      removeClass(document.body, 'vjs-full-window'); // Resize the box, controller, and poster to original sizes\n      // this.positionAll();\n\n      /**\n       * @event Player#exitFullWindow\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('exitFullWindow');\n    }\n    /**\n     * Check if the player is in Picture-in-Picture mode or tell the player that it\n     * is or is not in Picture-in-Picture mode.\n     *\n     * @param  {boolean} [isPiP]\n     *         Set the players current Picture-in-Picture state\n     *\n     * @return {boolean}\n     *         - true if Picture-in-Picture is on and getting\n     *         - false if Picture-in-Picture is off and getting\n     */\n    ;\n\n    _proto.isInPictureInPicture = function isInPictureInPicture(isPiP) {\n      if (isPiP !== undefined) {\n        this.isInPictureInPicture_ = !!isPiP;\n        this.togglePictureInPictureClass_();\n        return;\n      }\n\n      return !!this.isInPictureInPicture_;\n    }\n    /**\n     * Create a floating video window always on top of other windows so that users may\n     * continue consuming media while they interact with other content sites, or\n     * applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @fires Player#enterpictureinpicture\n     *\n     * @return {Promise}\n     *         A promise with a Picture-in-Picture window.\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      if ('pictureInPictureEnabled' in document) {\n        /**\n         * This event fires when the player enters picture in picture mode\n         *\n         * @event Player#enterpictureinpicture\n         * @type {EventTarget~Event}\n         */\n        return this.techGet_('requestPictureInPicture');\n      }\n    }\n    /**\n     * Exit Picture-in-Picture mode.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @fires Player#leavepictureinpicture\n     *\n     * @return {Promise}\n     *         A promise.\n     */\n    ;\n\n    _proto.exitPictureInPicture = function exitPictureInPicture() {\n      if ('pictureInPictureEnabled' in document) {\n        /**\n         * This event fires when the player leaves picture in picture mode\n         *\n         * @event Player#leavepictureinpicture\n         * @type {EventTarget~Event}\n         */\n        return document.exitPictureInPicture();\n      }\n    }\n    /**\n     * Called when this Player has focus and a key gets pressed down, or when\n     * any Component of this player receives a key press that it doesn't handle.\n     * This allows player-wide hotkeys (either as defined below, or optionally\n     * by an external function).\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      var userActions = this.options_.userActions; // Bail out if hotkeys are not configured.\n\n      if (!userActions || !userActions.hotkeys) {\n        return;\n      } // Function that determines whether or not to exclude an element from\n      // hotkeys handling.\n\n\n      var excludeElement = function excludeElement(el) {\n        var tagName = el.tagName.toLowerCase(); // The first and easiest test is for `contenteditable` elements.\n\n        if (el.isContentEditable) {\n          return true;\n        } // Inputs matching these types will still trigger hotkey handling as\n        // they are not text inputs.\n\n\n        var allowedInputTypes = ['button', 'checkbox', 'hidden', 'radio', 'reset', 'submit'];\n\n        if (tagName === 'input') {\n          return allowedInputTypes.indexOf(el.type) === -1;\n        } // The final test is by tag name. These tags will be excluded entirely.\n\n\n        var excludedTags = ['textarea'];\n        return excludedTags.indexOf(tagName) !== -1;\n      }; // Bail out if the user is focused on an interactive form element.\n\n\n      if (excludeElement(this.el_.ownerDocument.activeElement)) {\n        return;\n      }\n\n      if (typeof userActions.hotkeys === 'function') {\n        userActions.hotkeys.call(this, event);\n      } else {\n        this.handleHotkeys(event);\n      }\n    }\n    /**\n     * Called when this Player receives a hotkey keydown event.\n     * Supported player-wide hotkeys are:\n     *\n     *   f          - toggle fullscreen\n     *   m          - toggle mute\n     *   k or Space - toggle play/pause\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleHotkeys = function handleHotkeys(event) {\n      var hotkeys = this.options_.userActions ? this.options_.userActions.hotkeys : {}; // set fullscreenKey, muteKey, playPauseKey from `hotkeys`, use defaults if not set\n\n      var _hotkeys$fullscreenKe = hotkeys.fullscreenKey,\n          fullscreenKey = _hotkeys$fullscreenKe === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'f');\n      } : _hotkeys$fullscreenKe,\n          _hotkeys$muteKey = hotkeys.muteKey,\n          muteKey = _hotkeys$muteKey === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'm');\n      } : _hotkeys$muteKey,\n          _hotkeys$playPauseKey = hotkeys.playPauseKey,\n          playPauseKey = _hotkeys$playPauseKey === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'k') || keycode.isEventKey(keydownEvent, 'Space');\n      } : _hotkeys$playPauseKey;\n\n      if (fullscreenKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var FSToggle = Component.getComponent('FullscreenToggle');\n\n        if (document[this.fsApi_.fullscreenEnabled] !== false) {\n          FSToggle.prototype.handleClick.call(this, event);\n        }\n      } else if (muteKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var MuteToggle = Component.getComponent('MuteToggle');\n        MuteToggle.prototype.handleClick.call(this, event);\n      } else if (playPauseKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var PlayToggle = Component.getComponent('PlayToggle');\n        PlayToggle.prototype.handleClick.call(this, event);\n      }\n    }\n    /**\n     * Check whether the player can play a given mimetype\n     *\n     * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype\n     *\n     * @param {string} type\n     *        The mimetype to check\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n    ;\n\n    _proto.canPlayType = function canPlayType(type) {\n      var can; // Loop through each playback technology in the options order\n\n      for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {\n        var techName = j[i];\n        var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.\n        // Remove once that deprecated behavior is removed.\n\n        if (!tech) {\n          tech = Component.getComponent(techName);\n        } // Check if the current tech is defined before continuing\n\n\n        if (!tech) {\n          log.error(\"The \\\"\" + techName + \"\\\" tech is undefined. Skipped browser support check for that tech.\");\n          continue;\n        } // Check if the browser supports this technology\n\n\n        if (tech.isSupported()) {\n          can = tech.canPlayType(type);\n\n          if (can) {\n            return can;\n          }\n        }\n      }\n\n      return '';\n    }\n    /**\n     * Select source based on tech-order or source-order\n     * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,\n     * defaults to tech-order selection\n     *\n     * @param {Array} sources\n     *        The sources for a media asset\n     *\n     * @return {Object|boolean}\n     *         Object of source and tech order or false\n     */\n    ;\n\n    _proto.selectSource = function selectSource(sources) {\n      var _this12 = this;\n\n      // Get only the techs specified in `techOrder` that exist and are supported by the\n      // current platform\n      var techs = this.options_.techOrder.map(function (techName) {\n        return [techName, Tech.getTech(techName)];\n      }).filter(function (_ref) {\n        var techName = _ref[0],\n            tech = _ref[1];\n\n        // Check if the current tech is defined before continuing\n        if (tech) {\n          // Check if the browser supports this technology\n          return tech.isSupported();\n        }\n\n        log.error(\"The \\\"\" + techName + \"\\\" tech is undefined. Skipped browser support check for that tech.\");\n        return false;\n      }); // Iterate over each `innerArray` element once per `outerArray` element and execute\n      // `tester` with both. If `tester` returns a non-falsy value, exit early and return\n      // that value.\n\n      var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {\n        var found;\n        outerArray.some(function (outerChoice) {\n          return innerArray.some(function (innerChoice) {\n            found = tester(outerChoice, innerChoice);\n\n            if (found) {\n              return true;\n            }\n          });\n        });\n        return found;\n      };\n\n      var foundSourceAndTech;\n\n      var flip = function flip(fn) {\n        return function (a, b) {\n          return fn(b, a);\n        };\n      };\n\n      var finder = function finder(_ref2, source) {\n        var techName = _ref2[0],\n            tech = _ref2[1];\n\n        if (tech.canPlaySource(source, _this12.options_[techName.toLowerCase()])) {\n          return {\n            source: source,\n            tech: techName\n          };\n        }\n      }; // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources\n      // to select from them based on their priority.\n\n\n      if (this.options_.sourceOrder) {\n        // Source-first ordering\n        foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));\n      } else {\n        // Tech-first ordering\n        foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);\n      }\n\n      return foundSourceAndTech || false;\n    }\n    /**\n     * Get or set the video source.\n     *\n     * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]\n     *        A SourceObject, an array of SourceObjects, or a string referencing\n     *        a URL to a media source. It is _highly recommended_ that an object\n     *        or array of objects is used here, so that source selection\n     *        algorithms can take the `type` into account.\n     *\n     *        If not provided, this method acts as a getter.\n     *\n     * @return {string|undefined}\n     *         If the `source` argument is missing, returns the current source\n     *         URL. Otherwise, returns nothing/undefined.\n     */\n    ;\n\n    _proto.src = function src(source) {\n      var _this13 = this;\n\n      // getter usage\n      if (typeof source === 'undefined') {\n        return this.cache_.src || '';\n      } // filter out invalid sources and turn our source into\n      // an array of source objects\n\n\n      var sources = filterSource(source); // if a source was passed in then it is invalid because\n      // it was filtered to a zero length Array. So we have to\n      // show an error\n\n      if (!sources.length) {\n        this.setTimeout(function () {\n          this.error({\n            code: 4,\n            message: this.localize(this.options_.notSupportedMessage)\n          });\n        }, 0);\n        return;\n      } // intial sources\n\n\n      this.changingSrc_ = true;\n      this.cache_.sources = sources;\n      this.updateSourceCaches_(sources[0]); // middlewareSource is the source after it has been changed by middleware\n\n      setSource(this, sources[0], function (middlewareSource, mws) {\n        _this13.middleware_ = mws; // since sourceSet is async we have to update the cache again after we select a source since\n        // the source that is selected could be out of order from the cache update above this callback.\n\n        _this13.cache_.sources = sources;\n\n        _this13.updateSourceCaches_(middlewareSource);\n\n        var err = _this13.src_(middlewareSource);\n\n        if (err) {\n          if (sources.length > 1) {\n            return _this13.src(sources.slice(1));\n          }\n\n          _this13.changingSrc_ = false; // We need to wrap this in a timeout to give folks a chance to add error event handlers\n\n          _this13.setTimeout(function () {\n            this.error({\n              code: 4,\n              message: this.localize(this.options_.notSupportedMessage)\n            });\n          }, 0); // we could not find an appropriate tech, but let's still notify the delegate that this is it\n          // this needs a better comment about why this is needed\n\n\n          _this13.triggerReady();\n\n          return;\n        }\n\n        setTech(mws, _this13.tech_);\n      });\n    }\n    /**\n     * Set the source object on the tech, returns a boolean that indicates whether\n     * there is a tech that can play the source or not\n     *\n     * @param {Tech~SourceObject} source\n     *        The source object to set on the Tech\n     *\n     * @return {boolean}\n     *         - True if there is no Tech to playback this source\n     *         - False otherwise\n     *\n     * @private\n     */\n    ;\n\n    _proto.src_ = function src_(source) {\n      var _this14 = this;\n\n      var sourceTech = this.selectSource([source]);\n\n      if (!sourceTech) {\n        return true;\n      }\n\n      if (!titleCaseEquals(sourceTech.tech, this.techName_)) {\n        this.changingSrc_ = true; // load this technology with the chosen source\n\n        this.loadTech_(sourceTech.tech, sourceTech.source);\n        this.tech_.ready(function () {\n          _this14.changingSrc_ = false;\n        });\n        return false;\n      } // wait until the tech is ready to set the source\n      // and set it synchronously if possible (#2326)\n\n\n      this.ready(function () {\n        // The setSource tech method was added with source handlers\n        // so older techs won't support it\n        // We need to check the direct prototype for the case where subclasses\n        // of the tech do not support source handlers\n        if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {\n          this.techCall_('setSource', source);\n        } else {\n          this.techCall_('src', source.src);\n        }\n\n        this.changingSrc_ = false;\n      }, true);\n      return false;\n    }\n    /**\n     * Begin loading the src data.\n     */\n    ;\n\n    _proto.load = function load() {\n      this.techCall_('load');\n    }\n    /**\n     * Reset the player. Loads the first tech in the techOrder,\n     * removes all the text tracks in the existing `tech`,\n     * and calls `reset` on the `tech`.\n     */\n    ;\n\n    _proto.reset = function reset() {\n      var _this15 = this;\n\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (this.paused() || !PromiseClass) {\n        this.doReset_();\n      } else {\n        var playPromise = this.play();\n        silencePromise(playPromise.then(function () {\n          return _this15.doReset_();\n        }));\n      }\n    };\n\n    _proto.doReset_ = function doReset_() {\n      if (this.tech_) {\n        this.tech_.clearTracks('text');\n      }\n\n      this.resetCache_();\n      this.poster('');\n      this.loadTech_(this.options_.techOrder[0], null);\n      this.techCall_('reset');\n      this.resetControlBarUI_();\n\n      if (isEvented(this)) {\n        this.trigger('playerreset');\n      }\n    }\n    /**\n     * Reset Control Bar's UI by calling sub-methods that reset\n     * all of Control Bar's components\n     */\n    ;\n\n    _proto.resetControlBarUI_ = function resetControlBarUI_() {\n      this.resetProgressBar_();\n      this.resetPlaybackRate_();\n      this.resetVolumeBar_();\n    }\n    /**\n     * Reset tech's progress so progress bar is reset in the UI\n     */\n    ;\n\n    _proto.resetProgressBar_ = function resetProgressBar_() {\n      this.currentTime(0);\n      var _this$controlBar = this.controlBar,\n          durationDisplay = _this$controlBar.durationDisplay,\n          remainingTimeDisplay = _this$controlBar.remainingTimeDisplay;\n\n      if (durationDisplay) {\n        durationDisplay.updateContent();\n      }\n\n      if (remainingTimeDisplay) {\n        remainingTimeDisplay.updateContent();\n      }\n    }\n    /**\n     * Reset Playback ratio\n     */\n    ;\n\n    _proto.resetPlaybackRate_ = function resetPlaybackRate_() {\n      this.playbackRate(this.defaultPlaybackRate());\n      this.handleTechRateChange_();\n    }\n    /**\n     * Reset Volume bar\n     */\n    ;\n\n    _proto.resetVolumeBar_ = function resetVolumeBar_() {\n      this.volume(1.0);\n      this.trigger('volumechange');\n    }\n    /**\n     * Returns all of the current source objects.\n     *\n     * @return {Tech~SourceObject[]}\n     *         The current source objects\n     */\n    ;\n\n    _proto.currentSources = function currentSources() {\n      var source = this.currentSource();\n      var sources = []; // assume `{}` or `{ src }`\n\n      if (Object.keys(source).length !== 0) {\n        sources.push(source);\n      }\n\n      return this.cache_.sources || sources;\n    }\n    /**\n     * Returns the current source object.\n     *\n     * @return {Tech~SourceObject}\n     *         The current source object\n     */\n    ;\n\n    _proto.currentSource = function currentSource() {\n      return this.cache_.source || {};\n    }\n    /**\n     * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4\n     * Can be used in conjunction with `currentType` to assist in rebuilding the current source object.\n     *\n     * @return {string}\n     *         The current source\n     */\n    ;\n\n    _proto.currentSrc = function currentSrc() {\n      return this.currentSource() && this.currentSource().src || '';\n    }\n    /**\n     * Get the current source type e.g. video/mp4\n     * This can allow you rebuild the current source object so that you could load the same\n     * source and tech later\n     *\n     * @return {string}\n     *         The source MIME type\n     */\n    ;\n\n    _proto.currentType = function currentType() {\n      return this.currentSource() && this.currentSource().type || '';\n    }\n    /**\n     * Get or set the preload attribute\n     *\n     * @param {boolean} [value]\n     *        - true means that we should preload\n     *        - false means that we should not preload\n     *\n     * @return {string}\n     *         The preload attribute value when getting\n     */\n    ;\n\n    _proto.preload = function preload(value) {\n      if (value !== undefined) {\n        this.techCall_('setPreload', value);\n        this.options_.preload = value;\n        return;\n      }\n\n      return this.techGet_('preload');\n    }\n    /**\n     * Get or set the autoplay option. When this is a boolean it will\n     * modify the attribute on the tech. When this is a string the attribute on\n     * the tech will be removed and `Player` will handle autoplay on loadstarts.\n     *\n     * @param {boolean|string} [value]\n     *        - true: autoplay using the browser behavior\n     *        - false: do not autoplay\n     *        - 'play': call play() on every loadstart\n     *        - 'muted': call muted() then play() on every loadstart\n     *        - 'any': call play() on every loadstart. if that fails call muted() then play().\n     *        - *: values other than those listed here will be set `autoplay` to true\n     *\n     * @return {boolean|string}\n     *         The current value of autoplay when getting\n     */\n    ;\n\n    _proto.autoplay = function autoplay(value) {\n      // getter usage\n      if (value === undefined) {\n        return this.options_.autoplay || false;\n      }\n\n      var techAutoplay; // if the value is a valid string set it to that\n\n      if (typeof value === 'string' && /(any|play|muted)/.test(value)) {\n        this.options_.autoplay = value;\n        this.manualAutoplay_(value);\n        techAutoplay = false; // any falsy value sets autoplay to false in the browser,\n        // lets do the same\n      } else if (!value) {\n        this.options_.autoplay = false; // any other value (ie truthy) sets autoplay to true\n      } else {\n        this.options_.autoplay = true;\n      }\n\n      techAutoplay = typeof techAutoplay === 'undefined' ? this.options_.autoplay : techAutoplay; // if we don't have a tech then we do not queue up\n      // a setAutoplay call on tech ready. We do this because the\n      // autoplay option will be passed in the constructor and we\n      // do not need to set it twice\n\n      if (this.tech_) {\n        this.techCall_('setAutoplay', techAutoplay);\n      }\n    }\n    /**\n     * Set or unset the playsinline attribute.\n     * Playsinline tells the browser that non-fullscreen playback is preferred.\n     *\n     * @param {boolean} [value]\n     *        - true means that we should try to play inline by default\n     *        - false means that we should use the browser's default playback mode,\n     *          which in most cases is inline. iOS Safari is a notable exception\n     *          and plays fullscreen by default.\n     *\n     * @return {string|Player}\n     *         - the current value of playsinline\n     *         - the player when setting\n     *\n     * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n     */\n    ;\n\n    _proto.playsinline = function playsinline(value) {\n      if (value !== undefined) {\n        this.techCall_('setPlaysinline', value);\n        this.options_.playsinline = value;\n        return this;\n      }\n\n      return this.techGet_('playsinline');\n    }\n    /**\n     * Get or set the loop attribute on the video element.\n     *\n     * @param {boolean} [value]\n     *        - true means that we should loop the video\n     *        - false means that we should not loop the video\n     *\n     * @return {boolean}\n     *         The current value of loop when getting\n     */\n    ;\n\n    _proto.loop = function loop(value) {\n      if (value !== undefined) {\n        this.techCall_('setLoop', value);\n        this.options_.loop = value;\n        return;\n      }\n\n      return this.techGet_('loop');\n    }\n    /**\n     * Get or set the poster image source url\n     *\n     * @fires Player#posterchange\n     *\n     * @param {string} [src]\n     *        Poster image source URL\n     *\n     * @return {string}\n     *         The current value of poster when getting\n     */\n    ;\n\n    _proto.poster = function poster(src) {\n      if (src === undefined) {\n        return this.poster_;\n      } // The correct way to remove a poster is to set as an empty string\n      // other falsey values will throw errors\n\n\n      if (!src) {\n        src = '';\n      }\n\n      if (src === this.poster_) {\n        return;\n      } // update the internal poster variable\n\n\n      this.poster_ = src; // update the tech's poster\n\n      this.techCall_('setPoster', src);\n      this.isPosterFromTech_ = false; // alert components that the poster has been set\n\n      /**\n       * This event fires when the poster image is changed on the player.\n       *\n       * @event Player#posterchange\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('posterchange');\n    }\n    /**\n     * Some techs (e.g. YouTube) can provide a poster source in an\n     * asynchronous way. We want the poster component to use this\n     * poster source so that it covers up the tech's controls.\n     * (YouTube's play button). However we only want to use this\n     * source if the player user hasn't set a poster through\n     * the normal APIs.\n     *\n     * @fires Player#posterchange\n     * @listens Tech#posterchange\n     * @private\n     */\n    ;\n\n    _proto.handleTechPosterChange_ = function handleTechPosterChange_() {\n      if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) {\n        var newPoster = this.tech_.poster() || '';\n\n        if (newPoster !== this.poster_) {\n          this.poster_ = newPoster;\n          this.isPosterFromTech_ = true; // Let components know the poster has changed\n\n          this.trigger('posterchange');\n        }\n      }\n    }\n    /**\n     * Get or set whether or not the controls are showing.\n     *\n     * @fires Player#controlsenabled\n     *\n     * @param {boolean} [bool]\n     *        - true to turn controls on\n     *        - false to turn controls off\n     *\n     * @return {boolean}\n     *         The current value of controls when getting\n     */\n    ;\n\n    _proto.controls = function controls(bool) {\n      if (bool === undefined) {\n        return !!this.controls_;\n      }\n\n      bool = !!bool; // Don't trigger a change event unless it actually changed\n\n      if (this.controls_ === bool) {\n        return;\n      }\n\n      this.controls_ = bool;\n\n      if (this.usingNativeControls()) {\n        this.techCall_('setControls', bool);\n      }\n\n      if (this.controls_) {\n        this.removeClass('vjs-controls-disabled');\n        this.addClass('vjs-controls-enabled');\n        /**\n         * @event Player#controlsenabled\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('controlsenabled');\n\n        if (!this.usingNativeControls()) {\n          this.addTechControlsListeners_();\n        }\n      } else {\n        this.removeClass('vjs-controls-enabled');\n        this.addClass('vjs-controls-disabled');\n        /**\n         * @event Player#controlsdisabled\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('controlsdisabled');\n\n        if (!this.usingNativeControls()) {\n          this.removeTechControlsListeners_();\n        }\n      }\n    }\n    /**\n     * Toggle native controls on/off. Native controls are the controls built into\n     * devices (e.g. default iPhone controls), Flash, or other techs\n     * (e.g. Vimeo Controls)\n     * **This should only be set by the current tech, because only the tech knows\n     * if it can support native controls**\n     *\n     * @fires Player#usingnativecontrols\n     * @fires Player#usingcustomcontrols\n     *\n     * @param {boolean} [bool]\n     *        - true to turn native controls on\n     *        - false to turn native controls off\n     *\n     * @return {boolean}\n     *         The current value of native controls when getting\n     */\n    ;\n\n    _proto.usingNativeControls = function usingNativeControls(bool) {\n      if (bool === undefined) {\n        return !!this.usingNativeControls_;\n      }\n\n      bool = !!bool; // Don't trigger a change event unless it actually changed\n\n      if (this.usingNativeControls_ === bool) {\n        return;\n      }\n\n      this.usingNativeControls_ = bool;\n\n      if (this.usingNativeControls_) {\n        this.addClass('vjs-using-native-controls');\n        /**\n         * player is using the native device controls\n         *\n         * @event Player#usingnativecontrols\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('usingnativecontrols');\n      } else {\n        this.removeClass('vjs-using-native-controls');\n        /**\n         * player is using the custom HTML controls\n         *\n         * @event Player#usingcustomcontrols\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('usingcustomcontrols');\n      }\n    }\n    /**\n     * Set or get the current MediaError\n     *\n     * @fires Player#error\n     *\n     * @param  {MediaError|string|number} [err]\n     *         A MediaError or a string/number to be turned\n     *         into a MediaError\n     *\n     * @return {MediaError|null}\n     *         The current MediaError when getting (or null)\n     */\n    ;\n\n    _proto.error = function error(err) {\n      if (err === undefined) {\n        return this.error_ || null;\n      } // Suppress the first error message for no compatible source until\n      // user interaction\n\n\n      if (this.options_.suppressNotSupportedError && err && err.code === 4) {\n        var triggerSuppressedError = function triggerSuppressedError() {\n          this.error(err);\n        };\n\n        this.options_.suppressNotSupportedError = false;\n        this.any(['click', 'touchstart'], triggerSuppressedError);\n        this.one('loadstart', function () {\n          this.off(['click', 'touchstart'], triggerSuppressedError);\n        });\n        return;\n      } // restoring to default\n\n\n      if (err === null) {\n        this.error_ = err;\n        this.removeClass('vjs-error');\n\n        if (this.errorDisplay) {\n          this.errorDisplay.close();\n        }\n\n        return;\n      }\n\n      this.error_ = new MediaError(err); // add the vjs-error classname to the player\n\n      this.addClass('vjs-error'); // log the name of the error type and any message\n      // IE11 logs \"[object object]\" and required you to expand message to see error object\n\n      log.error(\"(CODE:\" + this.error_.code + \" \" + MediaError.errorTypes[this.error_.code] + \")\", this.error_.message, this.error_);\n      /**\n       * @event Player#error\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('error');\n      return;\n    }\n    /**\n     * Report user activity\n     *\n     * @param {Object} event\n     *        Event object\n     */\n    ;\n\n    _proto.reportUserActivity = function reportUserActivity(event) {\n      this.userActivity_ = true;\n    }\n    /**\n     * Get/set if user is active\n     *\n     * @fires Player#useractive\n     * @fires Player#userinactive\n     *\n     * @param {boolean} [bool]\n     *        - true if the user is active\n     *        - false if the user is inactive\n     *\n     * @return {boolean}\n     *         The current value of userActive when getting\n     */\n    ;\n\n    _proto.userActive = function userActive(bool) {\n      if (bool === undefined) {\n        return this.userActive_;\n      }\n\n      bool = !!bool;\n\n      if (bool === this.userActive_) {\n        return;\n      }\n\n      this.userActive_ = bool;\n\n      if (this.userActive_) {\n        this.userActivity_ = true;\n        this.removeClass('vjs-user-inactive');\n        this.addClass('vjs-user-active');\n        /**\n         * @event Player#useractive\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('useractive');\n        return;\n      } // Chrome/Safari/IE have bugs where when you change the cursor it can\n      // trigger a mousemove event. This causes an issue when you're hiding\n      // the cursor when the user is inactive, and a mousemove signals user\n      // activity. Making it impossible to go into inactive mode. Specifically\n      // this happens in fullscreen when we really need to hide the cursor.\n      //\n      // When this gets resolved in ALL browsers it can be removed\n      // https://code.google.com/p/chromium/issues/detail?id=103041\n\n\n      if (this.tech_) {\n        this.tech_.one('mousemove', function (e) {\n          e.stopPropagation();\n          e.preventDefault();\n        });\n      }\n\n      this.userActivity_ = false;\n      this.removeClass('vjs-user-active');\n      this.addClass('vjs-user-inactive');\n      /**\n       * @event Player#userinactive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('userinactive');\n    }\n    /**\n     * Listen for user activity based on timeout value\n     *\n     * @private\n     */\n    ;\n\n    _proto.listenForUserActivity_ = function listenForUserActivity_() {\n      var mouseInProgress;\n      var lastMoveX;\n      var lastMoveY;\n      var handleActivity = bind(this, this.reportUserActivity);\n\n      var handleMouseMove = function handleMouseMove(e) {\n        // #1068 - Prevent mousemove spamming\n        // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970\n        if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {\n          lastMoveX = e.screenX;\n          lastMoveY = e.screenY;\n          handleActivity();\n        }\n      };\n\n      var handleMouseDown = function handleMouseDown() {\n        handleActivity(); // For as long as the they are touching the device or have their mouse down,\n        // we consider them active even if they're not moving their finger or mouse.\n        // So we want to continue to update that they are active\n\n        this.clearInterval(mouseInProgress); // Setting userActivity=true now and setting the interval to the same time\n        // as the activityCheck interval (250) should ensure we never miss the\n        // next activityCheck\n\n        mouseInProgress = this.setInterval(handleActivity, 250);\n      };\n\n      var handleMouseUpAndMouseLeave = function handleMouseUpAndMouseLeave(event) {\n        handleActivity(); // Stop the interval that maintains activity if the mouse/touch is down\n\n        this.clearInterval(mouseInProgress);\n      }; // Any mouse movement will be considered user activity\n\n\n      this.on('mousedown', handleMouseDown);\n      this.on('mousemove', handleMouseMove);\n      this.on('mouseup', handleMouseUpAndMouseLeave);\n      this.on('mouseleave', handleMouseUpAndMouseLeave);\n      var controlBar = this.getChild('controlBar'); // Fixes bug on Android & iOS where when tapping progressBar (when control bar is displayed)\n      // controlBar would no longer be hidden by default timeout.\n\n      if (controlBar && !IS_IOS && !IS_ANDROID) {\n        controlBar.on('mouseenter', function (event) {\n          this.player().cache_.inactivityTimeout = this.player().options_.inactivityTimeout;\n          this.player().options_.inactivityTimeout = 0;\n        });\n        controlBar.on('mouseleave', function (event) {\n          this.player().options_.inactivityTimeout = this.player().cache_.inactivityTimeout;\n        });\n      } // Listen for keyboard navigation\n      // Shouldn't need to use inProgress interval because of key repeat\n\n\n      this.on('keydown', handleActivity);\n      this.on('keyup', handleActivity); // Run an interval every 250 milliseconds instead of stuffing everything into\n      // the mousemove/touchmove function itself, to prevent performance degradation.\n      // `this.reportUserActivity` simply sets this.userActivity_ to true, which\n      // then gets picked up by this loop\n      // http://ejohn.org/blog/learning-from-twitter/\n\n      var inactivityTimeout;\n      this.setInterval(function () {\n        // Check to see if mouse/touch activity has happened\n        if (!this.userActivity_) {\n          return;\n        } // Reset the activity tracker\n\n\n        this.userActivity_ = false; // If the user state was inactive, set the state to active\n\n        this.userActive(true); // Clear any existing inactivity timeout to start the timer over\n\n        this.clearTimeout(inactivityTimeout);\n        var timeout = this.options_.inactivityTimeout;\n\n        if (timeout <= 0) {\n          return;\n        } // In <timeout> milliseconds, if no more activity has occurred the\n        // user will be considered inactive\n\n\n        inactivityTimeout = this.setTimeout(function () {\n          // Protect against the case where the inactivityTimeout can trigger just\n          // before the next user activity is picked up by the activity check loop\n          // causing a flicker\n          if (!this.userActivity_) {\n            this.userActive(false);\n          }\n        }, timeout);\n      }, 250);\n    }\n    /**\n     * Gets or sets the current playback rate. A playback rate of\n     * 1.0 represents normal speed and 0.5 would indicate half-speed\n     * playback, for instance.\n     *\n     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate\n     *\n     * @param {number} [rate]\n     *       New playback rate to set.\n     *\n     * @return {number}\n     *         The current playback rate when getting or 1.0\n     */\n    ;\n\n    _proto.playbackRate = function playbackRate(rate) {\n      if (rate !== undefined) {\n        // NOTE: this.cache_.lastPlaybackRate is set from the tech handler\n        // that is registered above\n        this.techCall_('setPlaybackRate', rate);\n        return;\n      }\n\n      if (this.tech_ && this.tech_.featuresPlaybackRate) {\n        return this.cache_.lastPlaybackRate || this.techGet_('playbackRate');\n      }\n\n      return 1.0;\n    }\n    /**\n     * Gets or sets the current default playback rate. A default playback rate of\n     * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.\n     * defaultPlaybackRate will only represent what the initial playbackRate of a video was, not\n     * not the current playbackRate.\n     *\n     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate\n     *\n     * @param {number} [rate]\n     *       New default playback rate to set.\n     *\n     * @return {number|Player}\n     *         - The default playback rate when getting or 1.0\n     *         - the player when setting\n     */\n    ;\n\n    _proto.defaultPlaybackRate = function defaultPlaybackRate(rate) {\n      if (rate !== undefined) {\n        return this.techCall_('setDefaultPlaybackRate', rate);\n      }\n\n      if (this.tech_ && this.tech_.featuresPlaybackRate) {\n        return this.techGet_('defaultPlaybackRate');\n      }\n\n      return 1.0;\n    }\n    /**\n     * Gets or sets the audio flag\n     *\n     * @param {boolean} bool\n     *        - true signals that this is an audio player\n     *        - false signals that this is not an audio player\n     *\n     * @return {boolean}\n     *         The current value of isAudio when getting\n     */\n    ;\n\n    _proto.isAudio = function isAudio(bool) {\n      if (bool !== undefined) {\n        this.isAudio_ = !!bool;\n        return;\n      }\n\n      return !!this.isAudio_;\n    }\n    /**\n     * A helper method for adding a {@link TextTrack} to our\n     * {@link TextTrackList}.\n     *\n     * In addition to the W3C settings we allow adding additional info through options.\n     *\n     * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack\n     *\n     * @param {string} [kind]\n     *        the kind of TextTrack you are adding\n     *\n     * @param {string} [label]\n     *        the label to give the TextTrack label\n     *\n     * @param {string} [language]\n     *        the language to set on the TextTrack\n     *\n     * @return {TextTrack|undefined}\n     *         the TextTrack that was added or undefined\n     *         if there is no tech\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (this.tech_) {\n        return this.tech_.addTextTrack(kind, label, language);\n      }\n    }\n    /**\n     * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}.\n     * When manualCleanup is set to false, the track will be automatically removed\n     * on source changes.\n     *\n     * @param {Object} options\n     *        Options to pass to {@link HTMLTrackElement} during creation. See\n     *        {@link HTMLTrackElement} for object properties that you should use.\n     *\n     * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be\n     *                                       removed on a source change\n     *\n     * @return {HtmlTrackElement}\n     *         the HTMLTrackElement that was created and added\n     *         to the HtmlTrackElementList and the remote\n     *         TextTrackList\n     *\n     * @deprecated The default value of the \"manualCleanup\" parameter will default\n     *             to \"false\" in upcoming versions of Video.js\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      if (this.tech_) {\n        return this.tech_.addRemoteTextTrack(options, manualCleanup);\n      }\n    }\n    /**\n     * Remove a remote {@link TextTrack} from the respective\n     * {@link TextTrackList} and {@link HtmlTrackElementList}.\n     *\n     * @param {Object} track\n     *        Remote {@link TextTrack} to remove\n     *\n     * @return {undefined}\n     *         does not return anything\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(obj) {\n      if (obj === void 0) {\n        obj = {};\n      }\n\n      var _obj = obj,\n          track = _obj.track;\n\n      if (!track) {\n        track = obj;\n      } // destructure the input into an object with a track argument, defaulting to arguments[0]\n      // default the whole argument to an empty object if nothing was passed in\n\n\n      if (this.tech_) {\n        return this.tech_.removeRemoteTextTrack(track);\n      }\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object|undefined}\n     *         An object with supported media playback quality metrics or undefined if there\n     *         is no tech or the tech does not support it.\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      return this.techGet_('getVideoPlaybackQuality');\n    }\n    /**\n     * Get video width\n     *\n     * @return {number}\n     *         current video width\n     */\n    ;\n\n    _proto.videoWidth = function videoWidth() {\n      return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;\n    }\n    /**\n     * Get video height\n     *\n     * @return {number}\n     *         current video height\n     */\n    ;\n\n    _proto.videoHeight = function videoHeight() {\n      return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;\n    }\n    /**\n     * The player's language code\n     * NOTE: The language should be set in the player options if you want the\n     * the controls to be built with a specific language. Changing the language\n     * later will not update controls text.\n     *\n     * @param {string} [code]\n     *        the language code to set the player to\n     *\n     * @return {string}\n     *         The current language code when getting\n     */\n    ;\n\n    _proto.language = function language(code) {\n      if (code === undefined) {\n        return this.language_;\n      }\n\n      this.language_ = String(code).toLowerCase();\n    }\n    /**\n     * Get the player's language dictionary\n     * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time\n     * Languages specified directly in the player options have precedence\n     *\n     * @return {Array}\n     *         An array of of supported languages\n     */\n    ;\n\n    _proto.languages = function languages() {\n      return mergeOptions(Player.prototype.options_.languages, this.languages_);\n    }\n    /**\n     * returns a JavaScript object reperesenting the current track\n     * information. **DOES not return it as JSON**\n     *\n     * @return {Object}\n     *         Object representing the current of track info\n     */\n    ;\n\n    _proto.toJSON = function toJSON() {\n      var options = mergeOptions(this.options_);\n      var tracks = options.tracks;\n      options.tracks = [];\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // deep merge tracks and null out player so no circular references\n\n        track = mergeOptions(track);\n        track.player = undefined;\n        options.tracks[i] = track;\n      }\n\n      return options;\n    }\n    /**\n     * Creates a simple modal dialog (an instance of the {@link ModalDialog}\n     * component) that immediately overlays the player with arbitrary\n     * content and removes itself when closed.\n     *\n     * @param {string|Function|Element|Array|null} content\n     *        Same as {@link ModalDialog#content}'s param of the same name.\n     *        The most straight-forward usage is to provide a string or DOM\n     *        element.\n     *\n     * @param {Object} [options]\n     *        Extra options which will be passed on to the {@link ModalDialog}.\n     *\n     * @return {ModalDialog}\n     *         the {@link ModalDialog} that was created\n     */\n    ;\n\n    _proto.createModal = function createModal(content, options) {\n      var _this16 = this;\n\n      options = options || {};\n      options.content = content || '';\n      var modal = new ModalDialog(this, options);\n      this.addChild(modal);\n      modal.on('dispose', function () {\n        _this16.removeChild(modal);\n      });\n      modal.open();\n      return modal;\n    }\n    /**\n     * Change breakpoint classes when the player resizes.\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateCurrentBreakpoint_ = function updateCurrentBreakpoint_() {\n      if (!this.responsive()) {\n        return;\n      }\n\n      var currentBreakpoint = this.currentBreakpoint();\n      var currentWidth = this.currentWidth();\n\n      for (var i = 0; i < BREAKPOINT_ORDER.length; i++) {\n        var candidateBreakpoint = BREAKPOINT_ORDER[i];\n        var maxWidth = this.breakpoints_[candidateBreakpoint];\n\n        if (currentWidth <= maxWidth) {\n          // The current breakpoint did not change, nothing to do.\n          if (currentBreakpoint === candidateBreakpoint) {\n            return;\n          } // Only remove a class if there is a current breakpoint.\n\n\n          if (currentBreakpoint) {\n            this.removeClass(BREAKPOINT_CLASSES[currentBreakpoint]);\n          }\n\n          this.addClass(BREAKPOINT_CLASSES[candidateBreakpoint]);\n          this.breakpoint_ = candidateBreakpoint;\n          break;\n        }\n      }\n    }\n    /**\n     * Removes the current breakpoint.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeCurrentBreakpoint_ = function removeCurrentBreakpoint_() {\n      var className = this.currentBreakpointClass();\n      this.breakpoint_ = '';\n\n      if (className) {\n        this.removeClass(className);\n      }\n    }\n    /**\n     * Get or set breakpoints on the player.\n     *\n     * Calling this method with an object or `true` will remove any previous\n     * custom breakpoints and start from the defaults again.\n     *\n     * @param  {Object|boolean} [breakpoints]\n     *         If an object is given, it can be used to provide custom\n     *         breakpoints. If `true` is given, will set default breakpoints.\n     *         If this argument is not given, will simply return the current\n     *         breakpoints.\n     *\n     * @param  {number} [breakpoints.tiny]\n     *         The maximum width for the \"vjs-layout-tiny\" class.\n     *\n     * @param  {number} [breakpoints.xsmall]\n     *         The maximum width for the \"vjs-layout-x-small\" class.\n     *\n     * @param  {number} [breakpoints.small]\n     *         The maximum width for the \"vjs-layout-small\" class.\n     *\n     * @param  {number} [breakpoints.medium]\n     *         The maximum width for the \"vjs-layout-medium\" class.\n     *\n     * @param  {number} [breakpoints.large]\n     *         The maximum width for the \"vjs-layout-large\" class.\n     *\n     * @param  {number} [breakpoints.xlarge]\n     *         The maximum width for the \"vjs-layout-x-large\" class.\n     *\n     * @param  {number} [breakpoints.huge]\n     *         The maximum width for the \"vjs-layout-huge\" class.\n     *\n     * @return {Object}\n     *         An object mapping breakpoint names to maximum width values.\n     */\n    ;\n\n    _proto.breakpoints = function breakpoints(_breakpoints) {\n      // Used as a getter.\n      if (_breakpoints === undefined) {\n        return assign(this.breakpoints_);\n      }\n\n      this.breakpoint_ = '';\n      this.breakpoints_ = assign({}, DEFAULT_BREAKPOINTS, _breakpoints); // When breakpoint definitions change, we need to update the currently\n      // selected breakpoint.\n\n      this.updateCurrentBreakpoint_(); // Clone the breakpoints before returning.\n\n      return assign(this.breakpoints_);\n    }\n    /**\n     * Get or set a flag indicating whether or not this player should adjust\n     * its UI based on its dimensions.\n     *\n     * @param  {boolean} value\n     *         Should be `true` if the player should adjust its UI based on its\n     *         dimensions; otherwise, should be `false`.\n     *\n     * @return {boolean}\n     *         Will be `true` if this player should adjust its UI based on its\n     *         dimensions; otherwise, will be `false`.\n     */\n    ;\n\n    _proto.responsive = function responsive(value) {\n      // Used as a getter.\n      if (value === undefined) {\n        return this.responsive_;\n      }\n\n      value = Boolean(value);\n      var current = this.responsive_; // Nothing changed.\n\n      if (value === current) {\n        return;\n      } // The value actually changed, set it.\n\n\n      this.responsive_ = value; // Start listening for breakpoints and set the initial breakpoint if the\n      // player is now responsive.\n\n      if (value) {\n        this.on('playerresize', this.updateCurrentBreakpoint_);\n        this.updateCurrentBreakpoint_(); // Stop listening for breakpoints if the player is no longer responsive.\n      } else {\n        this.off('playerresize', this.updateCurrentBreakpoint_);\n        this.removeCurrentBreakpoint_();\n      }\n\n      return value;\n    }\n    /**\n     * Get current breakpoint name, if any.\n     *\n     * @return {string}\n     *         If there is currently a breakpoint set, returns a the key from the\n     *         breakpoints object matching it. Otherwise, returns an empty string.\n     */\n    ;\n\n    _proto.currentBreakpoint = function currentBreakpoint() {\n      return this.breakpoint_;\n    }\n    /**\n     * Get the current breakpoint class name.\n     *\n     * @return {string}\n     *         The matching class name (e.g. `\"vjs-layout-tiny\"` or\n     *         `\"vjs-layout-large\"`) for the current breakpoint. Empty string if\n     *         there is no current breakpoint.\n     */\n    ;\n\n    _proto.currentBreakpointClass = function currentBreakpointClass() {\n      return BREAKPOINT_CLASSES[this.breakpoint_] || '';\n    }\n    /**\n     * An object that describes a single piece of media.\n     *\n     * Properties that are not part of this type description will be retained; so,\n     * this can be viewed as a generic metadata storage mechanism as well.\n     *\n     * @see      {@link https://wicg.github.io/mediasession/#the-mediametadata-interface}\n     * @typedef  {Object} Player~MediaObject\n     *\n     * @property {string} [album]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {string} [artist]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {Object[]} [artwork]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API. If not specified, will be populated via the `poster`, if\n     *           available.\n     *\n     * @property {string} [poster]\n     *           URL to an image that will display before playback.\n     *\n     * @property {Tech~SourceObject|Tech~SourceObject[]|string} [src]\n     *           A single source object, an array of source objects, or a string\n     *           referencing a URL to a media source. It is _highly recommended_\n     *           that an object or array of objects is used here, so that source\n     *           selection algorithms can take the `type` into account.\n     *\n     * @property {string} [title]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {Object[]} [textTracks]\n     *           An array of objects to be used to create text tracks, following\n     *           the {@link https://www.w3.org/TR/html50/embedded-content-0.html#the-track-element|native track element format}.\n     *           For ease of removal, these will be created as \"remote\" text\n     *           tracks and set to automatically clean up on source changes.\n     *\n     *           These objects may have properties like `src`, `kind`, `label`,\n     *           and `language`, see {@link Tech#createRemoteTextTrack}.\n     */\n\n    /**\n     * Populate the player using a {@link Player~MediaObject|MediaObject}.\n     *\n     * @param  {Player~MediaObject} media\n     *         A media object.\n     *\n     * @param  {Function} ready\n     *         A callback to be called when the player is ready.\n     */\n    ;\n\n    _proto.loadMedia = function loadMedia(media, ready) {\n      var _this17 = this;\n\n      if (!media || typeof media !== 'object') {\n        return;\n      }\n\n      this.reset(); // Clone the media object so it cannot be mutated from outside.\n\n      this.cache_.media = mergeOptions(media);\n      var _this$cache_$media = this.cache_.media,\n          artwork = _this$cache_$media.artwork,\n          poster = _this$cache_$media.poster,\n          src = _this$cache_$media.src,\n          textTracks = _this$cache_$media.textTracks; // If `artwork` is not given, create it using `poster`.\n\n      if (!artwork && poster) {\n        this.cache_.media.artwork = [{\n          src: poster,\n          type: getMimetype(poster)\n        }];\n      }\n\n      if (src) {\n        this.src(src);\n      }\n\n      if (poster) {\n        this.poster(poster);\n      }\n\n      if (Array.isArray(textTracks)) {\n        textTracks.forEach(function (tt) {\n          return _this17.addRemoteTextTrack(tt, false);\n        });\n      }\n\n      this.ready(ready);\n    }\n    /**\n     * Get a clone of the current {@link Player~MediaObject} for this player.\n     *\n     * If the `loadMedia` method has not been used, will attempt to return a\n     * {@link Player~MediaObject} based on the current state of the player.\n     *\n     * @return {Player~MediaObject}\n     */\n    ;\n\n    _proto.getMedia = function getMedia() {\n      if (!this.cache_.media) {\n        var poster = this.poster();\n        var src = this.currentSources();\n        var textTracks = Array.prototype.map.call(this.remoteTextTracks(), function (tt) {\n          return {\n            kind: tt.kind,\n            label: tt.label,\n            language: tt.language,\n            src: tt.src\n          };\n        });\n        var media = {\n          src: src,\n          textTracks: textTracks\n        };\n\n        if (poster) {\n          media.poster = poster;\n          media.artwork = [{\n            src: media.poster,\n            type: getMimetype(media.poster)\n          }];\n        }\n\n        return media;\n      }\n\n      return mergeOptions(this.cache_.media);\n    }\n    /**\n     * Gets tag settings\n     *\n     * @param {Element} tag\n     *        The player tag\n     *\n     * @return {Object}\n     *         An object containing all of the settings\n     *         for a player tag\n     */\n    ;\n\n    Player.getTagSettings = function getTagSettings(tag) {\n      var baseOptions = {\n        sources: [],\n        tracks: []\n      };\n      var tagOptions = getAttributes(tag);\n      var dataSetup = tagOptions['data-setup'];\n\n      if (hasClass(tag, 'vjs-fill')) {\n        tagOptions.fill = true;\n      }\n\n      if (hasClass(tag, 'vjs-fluid')) {\n        tagOptions.fluid = true;\n      } // Check if data-setup attr exists.\n\n\n      if (dataSetup !== null) {\n        // Parse options JSON\n        // If empty string, make it a parsable json object.\n        var _safeParseTuple = tuple(dataSetup || '{}'),\n            err = _safeParseTuple[0],\n            data = _safeParseTuple[1];\n\n        if (err) {\n          log.error(err);\n        }\n\n        assign(tagOptions, data);\n      }\n\n      assign(baseOptions, tagOptions); // Get tag children settings\n\n      if (tag.hasChildNodes()) {\n        var children = tag.childNodes;\n\n        for (var i = 0, j = children.length; i < j; i++) {\n          var child = children[i]; // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/\n\n          var childName = child.nodeName.toLowerCase();\n\n          if (childName === 'source') {\n            baseOptions.sources.push(getAttributes(child));\n          } else if (childName === 'track') {\n            baseOptions.tracks.push(getAttributes(child));\n          }\n        }\n      }\n\n      return baseOptions;\n    }\n    /**\n     * Determine whether or not flexbox is supported\n     *\n     * @return {boolean}\n     *         - true if flexbox is supported\n     *         - false if flexbox is not supported\n     */\n    ;\n\n    _proto.flexNotSupported_ = function flexNotSupported_() {\n      var elem = document.createElement('i'); // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more\n      // common flex features that we can rely on when checking for flex support.\n\n      return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style || // IE10-specific (2012 flex spec), available for completeness\n      'msFlexOrder' in elem.style);\n    };\n\n    return Player;\n  }(Component);\n  /**\n   * Get the {@link VideoTrackList}\n   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist\n   *\n   * @return {VideoTrackList}\n   *         the current video track list\n   *\n   * @method Player.prototype.videoTracks\n   */\n\n  /**\n   * Get the {@link AudioTrackList}\n   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist\n   *\n   * @return {AudioTrackList}\n   *         the current audio track list\n   *\n   * @method Player.prototype.audioTracks\n   */\n\n  /**\n   * Get the {@link TextTrackList}\n   *\n   * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks\n   *\n   * @return {TextTrackList}\n   *         the current text track list\n   *\n   * @method Player.prototype.textTracks\n   */\n\n  /**\n   * Get the remote {@link TextTrackList}\n   *\n   * @return {TextTrackList}\n   *         The current remote text track list\n   *\n   * @method Player.prototype.remoteTextTracks\n   */\n\n  /**\n   * Get the remote {@link HtmlTrackElementList} tracks.\n   *\n   * @return {HtmlTrackElementList}\n   *         The current remote text track element list\n   *\n   * @method Player.prototype.remoteTextTrackEls\n   */\n\n\n  ALL.names.forEach(function (name) {\n    var props = ALL[name];\n\n    Player.prototype[props.getterName] = function () {\n      if (this.tech_) {\n        return this.tech_[props.getterName]();\n      } // if we have not yet loadTech_, we create {video,audio,text}Tracks_\n      // these will be passed to the tech during loading\n\n\n      this[props.privateName] = this[props.privateName] || new props.ListClass();\n      return this[props.privateName];\n    };\n  });\n  /**\n   * Global enumeration of players.\n   *\n   * The keys are the player IDs and the values are either the {@link Player}\n   * instance or `null` for disposed players.\n   *\n   * @type {Object}\n   */\n\n  Player.players = {};\n  var navigator = window$3.navigator;\n  /*\n   * Player instance options, surfaced using options\n   * options = Player.prototype.options_\n   * Make changes in options, not here.\n   *\n   * @type {Object}\n   * @private\n   */\n\n  Player.prototype.options_ = {\n    // Default order of fallback technology\n    techOrder: Tech.defaultTechOrder_,\n    html5: {},\n    flash: {},\n    // default inactivity timeout\n    inactivityTimeout: 2000,\n    // default playback rates\n    playbackRates: [],\n    // Add playback rate selection by adding rates\n    // 'playbackRates': [0.5, 1, 1.5, 2],\n    liveui: false,\n    // Included control sets\n    children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'liveTracker', 'controlBar', 'errorDisplay', 'textTrackSettings', 'resizeManager'],\n    language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en',\n    // locales and their language translations\n    languages: {},\n    // Default message to show when a video cannot be played.\n    notSupportedMessage: 'No compatible source was found for this media.',\n    fullscreen: {\n      options: {\n        navigationUI: 'hide'\n      }\n    },\n    breakpoints: {},\n    responsive: false\n  };\n  [\n  /**\n   * Returns whether or not the player is in the \"ended\" state.\n   *\n   * @return {Boolean} True if the player is in the ended state, false if not.\n   * @method Player#ended\n   */\n  'ended',\n  /**\n   * Returns whether or not the player is in the \"seeking\" state.\n   *\n   * @return {Boolean} True if the player is in the seeking state, false if not.\n   * @method Player#seeking\n   */\n  'seeking',\n  /**\n   * Returns the TimeRanges of the media that are currently available\n   * for seeking to.\n   *\n   * @return {TimeRanges} the seekable intervals of the media timeline\n   * @method Player#seekable\n   */\n  'seekable',\n  /**\n   * Returns the current state of network activity for the element, from\n   * the codes in the list below.\n   * - NETWORK_EMPTY (numeric value 0)\n   *   The element has not yet been initialised. All attributes are in\n   *   their initial states.\n   * - NETWORK_IDLE (numeric value 1)\n   *   The element's resource selection algorithm is active and has\n   *   selected a resource, but it is not actually using the network at\n   *   this time.\n   * - NETWORK_LOADING (numeric value 2)\n   *   The user agent is actively trying to download data.\n   * - NETWORK_NO_SOURCE (numeric value 3)\n   *   The element's resource selection algorithm is active, but it has\n   *   not yet found a resource to use.\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states\n   * @return {number} the current network activity state\n   * @method Player#networkState\n   */\n  'networkState',\n  /**\n   * Returns a value that expresses the current state of the element\n   * with respect to rendering the current playback position, from the\n   * codes in the list below.\n   * - HAVE_NOTHING (numeric value 0)\n   *   No information regarding the media resource is available.\n   * - HAVE_METADATA (numeric value 1)\n   *   Enough of the resource has been obtained that the duration of the\n   *   resource is available.\n   * - HAVE_CURRENT_DATA (numeric value 2)\n   *   Data for the immediate current playback position is available.\n   * - HAVE_FUTURE_DATA (numeric value 3)\n   *   Data for the immediate current playback position is available, as\n   *   well as enough data for the user agent to advance the current\n   *   playback position in the direction of playback.\n   * - HAVE_ENOUGH_DATA (numeric value 4)\n   *   The user agent estimates that enough data is available for\n   *   playback to proceed uninterrupted.\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate\n   * @return {number} the current playback rendering state\n   * @method Player#readyState\n   */\n  'readyState'].forEach(function (fn) {\n    Player.prototype[fn] = function () {\n      return this.techGet_(fn);\n    };\n  });\n  TECH_EVENTS_RETRIGGER.forEach(function (event) {\n    Player.prototype[\"handleTech\" + toTitleCase(event) + \"_\"] = function () {\n      return this.trigger(event);\n    };\n  });\n  /**\n   * Fired when the player has initial duration and dimension information\n   *\n   * @event Player#loadedmetadata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the player has downloaded data at the current playback position\n   *\n   * @event Player#loadeddata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the current playback position has changed *\n   * During playback this is fired every 15-250 milliseconds, depending on the\n   * playback technology in use.\n   *\n   * @event Player#timeupdate\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the volume changes\n   *\n   * @event Player#volumechange\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Reports whether or not a player has a plugin available.\n   *\n   * This does not report whether or not the plugin has ever been initialized\n   * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.\n   *\n   * @method Player#hasPlugin\n   * @param  {string}  name\n   *         The name of a plugin.\n   *\n   * @return {boolean}\n   *         Whether or not this player has the requested plugin available.\n   */\n\n  /**\n   * Reports whether or not a player is using a plugin by name.\n   *\n   * For basic plugins, this only reports whether the plugin has _ever_ been\n   * initialized on this player.\n   *\n   * @method Player#usingPlugin\n   * @param  {string} name\n   *         The name of a plugin.\n   *\n   * @return {boolean}\n   *         Whether or not this player is using the requested plugin.\n   */\n\n  Component.registerComponent('Player', Player);\n\n  var setPrototypeOf = createCommonjsModule(function (module) {\n    function _setPrototypeOf(o, p) {\n      module.exports = _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {\n        o.__proto__ = p;\n        return o;\n      };\n\n      return _setPrototypeOf(o, p);\n    }\n\n    module.exports = _setPrototypeOf;\n  });\n\n  function _isNativeReflectConstruct() {\n    if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n    if (Reflect.construct.sham) return false;\n    if (typeof Proxy === \"function\") return true;\n\n    try {\n      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  var isNativeReflectConstruct = _isNativeReflectConstruct;\n\n  var construct = createCommonjsModule(function (module) {\n    function _construct(Parent, args, Class) {\n      if (isNativeReflectConstruct()) {\n        module.exports = _construct = Reflect.construct;\n      } else {\n        module.exports = _construct = function _construct(Parent, args, Class) {\n          var a = [null];\n          a.push.apply(a, args);\n          var Constructor = Function.bind.apply(Parent, a);\n          var instance = new Constructor();\n          if (Class) setPrototypeOf(instance, Class.prototype);\n          return instance;\n        };\n      }\n\n      return _construct.apply(null, arguments);\n    }\n\n    module.exports = _construct;\n  });\n\n  /**\n   * The base plugin name.\n   *\n   * @private\n   * @constant\n   * @type {string}\n   */\n\n  var BASE_PLUGIN_NAME = 'plugin';\n  /**\n   * The key on which a player's active plugins cache is stored.\n   *\n   * @private\n   * @constant\n   * @type     {string}\n   */\n\n  var PLUGIN_CACHE_KEY = 'activePlugins_';\n  /**\n   * Stores registered plugins in a private space.\n   *\n   * @private\n   * @type    {Object}\n   */\n\n  var pluginStorage = {};\n  /**\n   * Reports whether or not a plugin has been registered.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of a plugin.\n   *\n   * @return {boolean}\n   *          Whether or not the plugin has been registered.\n   */\n\n  var pluginExists = function pluginExists(name) {\n    return pluginStorage.hasOwnProperty(name);\n  };\n  /**\n   * Get a single registered plugin by name.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of a plugin.\n   *\n   * @return {Function|undefined}\n   *          The plugin (or undefined).\n   */\n\n\n  var getPlugin = function getPlugin(name) {\n    return pluginExists(name) ? pluginStorage[name] : undefined;\n  };\n  /**\n   * Marks a plugin as \"active\" on a player.\n   *\n   * Also, ensures that the player has an object for tracking active plugins.\n   *\n   * @private\n   * @param   {Player} player\n   *          A Video.js player instance.\n   *\n   * @param   {string} name\n   *          The name of a plugin.\n   */\n\n\n  var markPluginAsActive = function markPluginAsActive(player, name) {\n    player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};\n    player[PLUGIN_CACHE_KEY][name] = true;\n  };\n  /**\n   * Triggers a pair of plugin setup events.\n   *\n   * @private\n   * @param  {Player} player\n   *         A Video.js player instance.\n   *\n   * @param  {Plugin~PluginEventHash} hash\n   *         A plugin event hash.\n   *\n   * @param  {boolean} [before]\n   *         If true, prefixes the event name with \"before\". In other words,\n   *         use this to trigger \"beforepluginsetup\" instead of \"pluginsetup\".\n   */\n\n\n  var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {\n    var eventName = (before ? 'before' : '') + 'pluginsetup';\n    player.trigger(eventName, hash);\n    player.trigger(eventName + ':' + hash.name, hash);\n  };\n  /**\n   * Takes a basic plugin function and returns a wrapper function which marks\n   * on the player that the plugin has been activated.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of the plugin.\n   *\n   * @param   {Function} plugin\n   *          The basic plugin.\n   *\n   * @return {Function}\n   *          A wrapper function for the given plugin.\n   */\n\n\n  var createBasicPlugin = function createBasicPlugin(name, plugin) {\n    var basicPluginWrapper = function basicPluginWrapper() {\n      // We trigger the \"beforepluginsetup\" and \"pluginsetup\" events on the player\n      // regardless, but we want the hash to be consistent with the hash provided\n      // for advanced plugins.\n      //\n      // The only potentially counter-intuitive thing here is the `instance` in\n      // the \"pluginsetup\" event is the value returned by the `plugin` function.\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: plugin,\n        instance: null\n      }, true);\n      var instance = plugin.apply(this, arguments);\n      markPluginAsActive(this, name);\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: plugin,\n        instance: instance\n      });\n      return instance;\n    };\n\n    Object.keys(plugin).forEach(function (prop) {\n      basicPluginWrapper[prop] = plugin[prop];\n    });\n    return basicPluginWrapper;\n  };\n  /**\n   * Takes a plugin sub-class and returns a factory function for generating\n   * instances of it.\n   *\n   * This factory function will replace itself with an instance of the requested\n   * sub-class of Plugin.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of the plugin.\n   *\n   * @param   {Plugin} PluginSubClass\n   *          The advanced plugin.\n   *\n   * @return {Function}\n   */\n\n\n  var createPluginFactory = function createPluginFactory(name, PluginSubClass) {\n    // Add a `name` property to the plugin prototype so that each plugin can\n    // refer to itself by name.\n    PluginSubClass.prototype.name = name;\n    return function () {\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: PluginSubClass,\n        instance: null\n      }, true);\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var instance = construct(PluginSubClass, [this].concat(args)); // The plugin is replaced by a function that returns the current instance.\n\n\n      this[name] = function () {\n        return instance;\n      };\n\n      triggerSetupEvent(this, instance.getEventHash());\n      return instance;\n    };\n  };\n  /**\n   * Parent class for all advanced plugins.\n   *\n   * @mixes   module:evented~EventedMixin\n   * @mixes   module:stateful~StatefulMixin\n   * @fires   Player#beforepluginsetup\n   * @fires   Player#beforepluginsetup:$name\n   * @fires   Player#pluginsetup\n   * @fires   Player#pluginsetup:$name\n   * @listens Player#dispose\n   * @throws  {Error}\n   *          If attempting to instantiate the base {@link Plugin} class\n   *          directly instead of via a sub-class.\n   */\n\n\n  var Plugin = /*#__PURE__*/function () {\n    /**\n     * Creates an instance of this class.\n     *\n     * Sub-classes should call `super` to ensure plugins are properly initialized.\n     *\n     * @param {Player} player\n     *        A Video.js player instance.\n     */\n    function Plugin(player) {\n      if (this.constructor === Plugin) {\n        throw new Error('Plugin must be sub-classed; not directly instantiated.');\n      }\n\n      this.player = player; // Make this object evented, but remove the added `trigger` method so we\n      // use the prototype version instead.\n\n      evented(this);\n      delete this.trigger;\n      stateful(this, this.constructor.defaultState);\n      markPluginAsActive(player, this.name); // Auto-bind the dispose method so we can use it as a listener and unbind\n      // it later easily.\n\n      this.dispose = bind(this, this.dispose); // If the player is disposed, dispose the plugin.\n\n      player.on('dispose', this.dispose);\n    }\n    /**\n     * Get the version of the plugin that was set on <pluginName>.VERSION\n     */\n\n\n    var _proto = Plugin.prototype;\n\n    _proto.version = function version() {\n      return this.constructor.VERSION;\n    }\n    /**\n     * Each event triggered by plugins includes a hash of additional data with\n     * conventional properties.\n     *\n     * This returns that object or mutates an existing hash.\n     *\n     * @param   {Object} [hash={}]\n     *          An object to be used as event an event hash.\n     *\n     * @return {Plugin~PluginEventHash}\n     *          An event hash object with provided properties mixed-in.\n     */\n    ;\n\n    _proto.getEventHash = function getEventHash(hash) {\n      if (hash === void 0) {\n        hash = {};\n      }\n\n      hash.name = this.name;\n      hash.plugin = this.constructor;\n      hash.instance = this;\n      return hash;\n    }\n    /**\n     * Triggers an event on the plugin object and overrides\n     * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.\n     *\n     * @param   {string|Object} event\n     *          An event type or an object with a type property.\n     *\n     * @param   {Object} [hash={}]\n     *          Additional data hash to merge with a\n     *          {@link Plugin~PluginEventHash|PluginEventHash}.\n     *\n     * @return {boolean}\n     *          Whether or not default was prevented.\n     */\n    ;\n\n    _proto.trigger = function trigger$1(event, hash) {\n      if (hash === void 0) {\n        hash = {};\n      }\n\n      return trigger(this.eventBusEl_, event, this.getEventHash(hash));\n    }\n    /**\n     * Handles \"statechanged\" events on the plugin. No-op by default, override by\n     * subclassing.\n     *\n     * @abstract\n     * @param    {Event} e\n     *           An event object provided by a \"statechanged\" event.\n     *\n     * @param    {Object} e.changes\n     *           An object describing changes that occurred with the \"statechanged\"\n     *           event.\n     */\n    ;\n\n    _proto.handleStateChanged = function handleStateChanged(e) {}\n    /**\n     * Disposes a plugin.\n     *\n     * Subclasses can override this if they want, but for the sake of safety,\n     * it's probably best to subscribe the \"dispose\" event.\n     *\n     * @fires Plugin#dispose\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      var name = this.name,\n          player = this.player;\n      /**\n       * Signals that a advanced plugin is about to be disposed.\n       *\n       * @event Plugin#dispose\n       * @type  {EventTarget~Event}\n       */\n\n      this.trigger('dispose');\n      this.off();\n      player.off('dispose', this.dispose); // Eliminate any possible sources of leaking memory by clearing up\n      // references between the player and the plugin instance and nulling out\n      // the plugin's state and replacing methods with a function that throws.\n\n      player[PLUGIN_CACHE_KEY][name] = false;\n      this.player = this.state = null; // Finally, replace the plugin name on the player with a new factory\n      // function, so that the plugin is ready to be set up again.\n\n      player[name] = createPluginFactory(name, pluginStorage[name]);\n    }\n    /**\n     * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).\n     *\n     * @param   {string|Function} plugin\n     *          If a string, matches the name of a plugin. If a function, will be\n     *          tested directly.\n     *\n     * @return {boolean}\n     *          Whether or not a plugin is a basic plugin.\n     */\n    ;\n\n    Plugin.isBasic = function isBasic(plugin) {\n      var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;\n      return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);\n    }\n    /**\n     * Register a Video.js plugin.\n     *\n     * @param   {string} name\n     *          The name of the plugin to be registered. Must be a string and\n     *          must not match an existing plugin or a method on the `Player`\n     *          prototype.\n     *\n     * @param   {Function} plugin\n     *          A sub-class of `Plugin` or a function for basic plugins.\n     *\n     * @return {Function}\n     *          For advanced plugins, a factory function for that plugin. For\n     *          basic plugins, a wrapper function that initializes the plugin.\n     */\n    ;\n\n    Plugin.registerPlugin = function registerPlugin(name, plugin) {\n      if (typeof name !== 'string') {\n        throw new Error(\"Illegal plugin name, \\\"\" + name + \"\\\", must be a string, was \" + typeof name + \".\");\n      }\n\n      if (pluginExists(name)) {\n        log.warn(\"A plugin named \\\"\" + name + \"\\\" already exists. You may want to avoid re-registering plugins!\");\n      } else if (Player.prototype.hasOwnProperty(name)) {\n        throw new Error(\"Illegal plugin name, \\\"\" + name + \"\\\", cannot share a name with an existing player method!\");\n      }\n\n      if (typeof plugin !== 'function') {\n        throw new Error(\"Illegal plugin for \\\"\" + name + \"\\\", must be a function, was \" + typeof plugin + \".\");\n      }\n\n      pluginStorage[name] = plugin; // Add a player prototype method for all sub-classed plugins (but not for\n      // the base Plugin class).\n\n      if (name !== BASE_PLUGIN_NAME) {\n        if (Plugin.isBasic(plugin)) {\n          Player.prototype[name] = createBasicPlugin(name, plugin);\n        } else {\n          Player.prototype[name] = createPluginFactory(name, plugin);\n        }\n      }\n\n      return plugin;\n    }\n    /**\n     * De-register a Video.js plugin.\n     *\n     * @param  {string} name\n     *         The name of the plugin to be de-registered. Must be a string that\n     *         matches an existing plugin.\n     *\n     * @throws {Error}\n     *         If an attempt is made to de-register the base plugin.\n     */\n    ;\n\n    Plugin.deregisterPlugin = function deregisterPlugin(name) {\n      if (name === BASE_PLUGIN_NAME) {\n        throw new Error('Cannot de-register base plugin.');\n      }\n\n      if (pluginExists(name)) {\n        delete pluginStorage[name];\n        delete Player.prototype[name];\n      }\n    }\n    /**\n     * Gets an object containing multiple Video.js plugins.\n     *\n     * @param   {Array} [names]\n     *          If provided, should be an array of plugin names. Defaults to _all_\n     *          plugin names.\n     *\n     * @return {Object|undefined}\n     *          An object containing plugin(s) associated with their name(s) or\n     *          `undefined` if no matching plugins exist).\n     */\n    ;\n\n    Plugin.getPlugins = function getPlugins(names) {\n      if (names === void 0) {\n        names = Object.keys(pluginStorage);\n      }\n\n      var result;\n      names.forEach(function (name) {\n        var plugin = getPlugin(name);\n\n        if (plugin) {\n          result = result || {};\n          result[name] = plugin;\n        }\n      });\n      return result;\n    }\n    /**\n     * Gets a plugin's version, if available\n     *\n     * @param   {string} name\n     *          The name of a plugin.\n     *\n     * @return {string}\n     *          The plugin's version or an empty string.\n     */\n    ;\n\n    Plugin.getPluginVersion = function getPluginVersion(name) {\n      var plugin = getPlugin(name);\n      return plugin && plugin.VERSION || '';\n    };\n\n    return Plugin;\n  }();\n  /**\n   * Gets a plugin by name if it exists.\n   *\n   * @static\n   * @method   getPlugin\n   * @memberOf Plugin\n   * @param    {string} name\n   *           The name of a plugin.\n   *\n   * @returns  {Function|undefined}\n   *           The plugin (or `undefined`).\n   */\n\n\n  Plugin.getPlugin = getPlugin;\n  /**\n   * The name of the base plugin class as it is registered.\n   *\n   * @type {string}\n   */\n\n  Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;\n  Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);\n  /**\n   * Documented in player.js\n   *\n   * @ignore\n   */\n\n  Player.prototype.usingPlugin = function (name) {\n    return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;\n  };\n  /**\n   * Documented in player.js\n   *\n   * @ignore\n   */\n\n\n  Player.prototype.hasPlugin = function (name) {\n    return !!pluginExists(name);\n  };\n  /**\n   * Signals that a plugin is about to be set up on a player.\n   *\n   * @event    Player#beforepluginsetup\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin is about to be set up on a player - by name. The name\n   * is the name of the plugin.\n   *\n   * @event    Player#beforepluginsetup:$name\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin has just been set up on a player.\n   *\n   * @event    Player#pluginsetup\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin has just been set up on a player - by name. The name\n   * is the name of the plugin.\n   *\n   * @event    Player#pluginsetup:$name\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * @typedef  {Object} Plugin~PluginEventHash\n   *\n   * @property {string} instance\n   *           For basic plugins, the return value of the plugin function. For\n   *           advanced plugins, the plugin instance on which the event is fired.\n   *\n   * @property {string} name\n   *           The name of the plugin.\n   *\n   * @property {string} plugin\n   *           For basic plugins, the plugin function. For advanced plugins, the\n   *           plugin class/constructor.\n   */\n\n  function _inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function\");\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) setPrototypeOf(subClass, superClass);\n  }\n\n  var inherits = _inherits;\n\n  /**\n   * @file extend.js\n   * @module extend\n   */\n  /**\n   * Used to subclass an existing class by emulating ES subclassing using the\n   * `extends` keyword.\n   *\n   * @function\n   * @example\n   * var MyComponent = videojs.extend(videojs.getComponent('Component'), {\n   *   myCustomMethod: function() {\n   *     // Do things in my method.\n   *   }\n   * });\n   *\n   * @param    {Function} superClass\n   *           The class to inherit from\n   *\n   * @param    {Object}   [subClassMethods={}]\n   *           Methods of the new class\n   *\n   * @return   {Function}\n   *           The new class with subClassMethods that inherited superClass.\n   */\n\n  var extend = function extend(superClass, subClassMethods) {\n    if (subClassMethods === void 0) {\n      subClassMethods = {};\n    }\n\n    var subClass = function subClass() {\n      superClass.apply(this, arguments);\n    };\n\n    var methods = {};\n\n    if (typeof subClassMethods === 'object') {\n      if (subClassMethods.constructor !== Object.prototype.constructor) {\n        subClass = subClassMethods.constructor;\n      }\n\n      methods = subClassMethods;\n    } else if (typeof subClassMethods === 'function') {\n      subClass = subClassMethods;\n    }\n\n    inherits(subClass, superClass); // this is needed for backward-compatibility and node compatibility.\n\n\n    if (superClass) {\n      subClass.super_ = superClass;\n    } // Extend subObj's prototype with functions and other properties from props\n\n\n    for (var name in methods) {\n      if (methods.hasOwnProperty(name)) {\n        subClass.prototype[name] = methods[name];\n      }\n    }\n\n    return subClass;\n  };\n\n  /**\n   * @file video.js\n   * @module videojs\n   */\n  /**\n   * Normalize an `id` value by trimming off a leading `#`\n   *\n   * @private\n   * @param   {string} id\n   *          A string, maybe with a leading `#`.\n   *\n   * @return {string}\n   *          The string, without any leading `#`.\n   */\n\n  var normalizeId = function normalizeId(id) {\n    return id.indexOf('#') === 0 ? id.slice(1) : id;\n  };\n  /**\n   * The `videojs()` function doubles as the main function for users to create a\n   * {@link Player} instance as well as the main library namespace.\n   *\n   * It can also be used as a getter for a pre-existing {@link Player} instance.\n   * However, we _strongly_ recommend using `videojs.getPlayer()` for this\n   * purpose because it avoids any potential for unintended initialization.\n   *\n   * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)\n   * of our JSDoc template, we cannot properly document this as both a function\n   * and a namespace, so its function signature is documented here.\n   *\n   * #### Arguments\n   * ##### id\n   * string|Element, **required**\n   *\n   * Video element or video element ID.\n   *\n   * ##### options\n   * Object, optional\n   *\n   * Options object for providing settings.\n   * See: [Options Guide](https://docs.videojs.com/tutorial-options.html).\n   *\n   * ##### ready\n   * {@link Component~ReadyCallback}, optional\n   *\n   * A function to be called when the {@link Player} and {@link Tech} are ready.\n   *\n   * #### Return Value\n   *\n   * The `videojs()` function returns a {@link Player} instance.\n   *\n   * @namespace\n   *\n   * @borrows AudioTrack as AudioTrack\n   * @borrows Component.getComponent as getComponent\n   * @borrows module:computed-style~computedStyle as computedStyle\n   * @borrows module:events.on as on\n   * @borrows module:events.one as one\n   * @borrows module:events.off as off\n   * @borrows module:events.trigger as trigger\n   * @borrows EventTarget as EventTarget\n   * @borrows module:extend~extend as extend\n   * @borrows module:fn.bind as bind\n   * @borrows module:format-time.formatTime as formatTime\n   * @borrows module:format-time.resetFormatTime as resetFormatTime\n   * @borrows module:format-time.setFormatTime as setFormatTime\n   * @borrows module:merge-options.mergeOptions as mergeOptions\n   * @borrows module:middleware.use as use\n   * @borrows Player.players as players\n   * @borrows Plugin.registerPlugin as registerPlugin\n   * @borrows Plugin.deregisterPlugin as deregisterPlugin\n   * @borrows Plugin.getPlugins as getPlugins\n   * @borrows Plugin.getPlugin as getPlugin\n   * @borrows Plugin.getPluginVersion as getPluginVersion\n   * @borrows Tech.getTech as getTech\n   * @borrows Tech.registerTech as registerTech\n   * @borrows TextTrack as TextTrack\n   * @borrows module:time-ranges.createTimeRanges as createTimeRange\n   * @borrows module:time-ranges.createTimeRanges as createTimeRanges\n   * @borrows module:url.isCrossOrigin as isCrossOrigin\n   * @borrows module:url.parseUrl as parseUrl\n   * @borrows VideoTrack as VideoTrack\n   *\n   * @param  {string|Element} id\n   *         Video element or video element ID.\n   *\n   * @param  {Object} [options]\n   *         Options object for providing settings.\n   *         See: [Options Guide](https://docs.videojs.com/tutorial-options.html).\n   *\n   * @param  {Component~ReadyCallback} [ready]\n   *         A function to be called when the {@link Player} and {@link Tech} are\n   *         ready.\n   *\n   * @return {Player}\n   *         The `videojs()` function returns a {@link Player|Player} instance.\n   */\n\n\n  function videojs$1(id, options, ready) {\n    var player = videojs$1.getPlayer(id);\n\n    if (player) {\n      if (options) {\n        log.warn(\"Player \\\"\" + id + \"\\\" is already initialised. Options will not be applied.\");\n      }\n\n      if (ready) {\n        player.ready(ready);\n      }\n\n      return player;\n    }\n\n    var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;\n\n    if (!isEl(el)) {\n      throw new TypeError('The element or ID supplied is not valid. (videojs)');\n    } // document.body.contains(el) will only check if el is contained within that one document.\n    // This causes problems for elements in iframes.\n    // Instead, use the element's ownerDocument instead of the global document.\n    // This will make sure that the element is indeed in the dom of that document.\n    // Additionally, check that the document in question has a default view.\n    // If the document is no longer attached to the dom, the defaultView of the document will be null.\n\n\n    if (!el.ownerDocument.defaultView || !el.ownerDocument.body.contains(el)) {\n      log.warn('The element supplied is not included in the DOM');\n    }\n\n    options = options || {};\n    videojs$1.hooks('beforesetup').forEach(function (hookFunction) {\n      var opts = hookFunction(el, mergeOptions(options));\n\n      if (!isObject(opts) || Array.isArray(opts)) {\n        log.error('please return an object in beforesetup hooks');\n        return;\n      }\n\n      options = mergeOptions(options, opts);\n    }); // We get the current \"Player\" component here in case an integration has\n    // replaced it with a custom player.\n\n    var PlayerComponent = Component.getComponent('Player');\n    player = new PlayerComponent(el, options, ready);\n    videojs$1.hooks('setup').forEach(function (hookFunction) {\n      return hookFunction(player);\n    });\n    return player;\n  }\n  /**\n   * An Object that contains lifecycle hooks as keys which point to an array\n   * of functions that are run when a lifecycle is triggered\n   *\n   * @private\n   */\n\n\n  videojs$1.hooks_ = {};\n  /**\n   * Get a list of hooks for a specific lifecycle\n   *\n   * @param  {string} type\n   *         the lifecyle to get hooks from\n   *\n   * @param  {Function|Function[]} [fn]\n   *         Optionally add a hook (or hooks) to the lifecycle that your are getting.\n   *\n   * @return {Array}\n   *         an array of hooks, or an empty array if there are none.\n   */\n\n  videojs$1.hooks = function (type, fn) {\n    videojs$1.hooks_[type] = videojs$1.hooks_[type] || [];\n\n    if (fn) {\n      videojs$1.hooks_[type] = videojs$1.hooks_[type].concat(fn);\n    }\n\n    return videojs$1.hooks_[type];\n  };\n  /**\n   * Add a function hook to a specific videojs lifecycle.\n   *\n   * @param {string} type\n   *        the lifecycle to hook the function to.\n   *\n   * @param {Function|Function[]}\n   *        The function or array of functions to attach.\n   */\n\n\n  videojs$1.hook = function (type, fn) {\n    videojs$1.hooks(type, fn);\n  };\n  /**\n   * Add a function hook that will only run once to a specific videojs lifecycle.\n   *\n   * @param {string} type\n   *        the lifecycle to hook the function to.\n   *\n   * @param {Function|Function[]}\n   *        The function or array of functions to attach.\n   */\n\n\n  videojs$1.hookOnce = function (type, fn) {\n    videojs$1.hooks(type, [].concat(fn).map(function (original) {\n      var wrapper = function wrapper() {\n        videojs$1.removeHook(type, wrapper);\n        return original.apply(void 0, arguments);\n      };\n\n      return wrapper;\n    }));\n  };\n  /**\n   * Remove a hook from a specific videojs lifecycle.\n   *\n   * @param  {string} type\n   *         the lifecycle that the function hooked to\n   *\n   * @param  {Function} fn\n   *         The hooked function to remove\n   *\n   * @return {boolean}\n   *         The function that was removed or undef\n   */\n\n\n  videojs$1.removeHook = function (type, fn) {\n    var index = videojs$1.hooks(type).indexOf(fn);\n\n    if (index <= -1) {\n      return false;\n    }\n\n    videojs$1.hooks_[type] = videojs$1.hooks_[type].slice();\n    videojs$1.hooks_[type].splice(index, 1);\n    return true;\n  }; // Add default styles\n\n\n  if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {\n    var style = $('.vjs-styles-defaults');\n\n    if (!style) {\n      style = createStyleElement('vjs-styles-defaults');\n      var head = $('head');\n\n      if (head) {\n        head.insertBefore(style, head.firstChild);\n      }\n\n      setTextContent(style, \"\\n      .video-js {\\n        width: 300px;\\n        height: 150px;\\n      }\\n\\n      .vjs-fluid {\\n        padding-top: 56.25%\\n      }\\n    \");\n    }\n  } // Run Auto-load players\n  // You have to wait at least once in case this script is loaded after your\n  // video in the DOM (weird behavior only with minified version)\n\n\n  autoSetupTimeout(1, videojs$1);\n  /**\n   * Current Video.js version. Follows [semantic versioning](https://semver.org/).\n   *\n   * @type {string}\n   */\n\n  videojs$1.VERSION = version;\n  /**\n   * The global options object. These are the settings that take effect\n   * if no overrides are specified when the player is created.\n   *\n   * @type {Object}\n   */\n\n  videojs$1.options = Player.prototype.options_;\n  /**\n   * Get an object with the currently created players, keyed by player ID\n   *\n   * @return {Object}\n   *         The created players\n   */\n\n  videojs$1.getPlayers = function () {\n    return Player.players;\n  };\n  /**\n   * Get a single player based on an ID or DOM element.\n   *\n   * This is useful if you want to check if an element or ID has an associated\n   * Video.js player, but not create one if it doesn't.\n   *\n   * @param   {string|Element} id\n   *          An HTML element - `<video>`, `<audio>`, or `<video-js>` -\n   *          or a string matching the `id` of such an element.\n   *\n   * @return {Player|undefined}\n   *          A player instance or `undefined` if there is no player instance\n   *          matching the argument.\n   */\n\n\n  videojs$1.getPlayer = function (id) {\n    var players = Player.players;\n    var tag;\n\n    if (typeof id === 'string') {\n      var nId = normalizeId(id);\n      var player = players[nId];\n\n      if (player) {\n        return player;\n      }\n\n      tag = $('#' + nId);\n    } else {\n      tag = id;\n    }\n\n    if (isEl(tag)) {\n      var _tag = tag,\n          _player = _tag.player,\n          playerId = _tag.playerId; // Element may have a `player` property referring to an already created\n      // player instance. If so, return that.\n\n      if (_player || players[playerId]) {\n        return _player || players[playerId];\n      }\n    }\n  };\n  /**\n   * Returns an array of all current players.\n   *\n   * @return {Array}\n   *         An array of all players. The array will be in the order that\n   *         `Object.keys` provides, which could potentially vary between\n   *         JavaScript engines.\n   *\n   */\n\n\n  videojs$1.getAllPlayers = function () {\n    return (// Disposed players leave a key with a `null` value, so we need to make sure\n      // we filter those out.\n      Object.keys(Player.players).map(function (k) {\n        return Player.players[k];\n      }).filter(Boolean)\n    );\n  };\n\n  videojs$1.players = Player.players;\n  videojs$1.getComponent = Component.getComponent;\n  /**\n   * Register a component so it can referred to by name. Used when adding to other\n   * components, either through addChild `component.addChild('myComponent')` or through\n   * default children options  `{ children: ['myComponent'] }`.\n   *\n   * > NOTE: You could also just initialize the component before adding.\n   * `component.addChild(new MyComponent());`\n   *\n   * @param {string} name\n   *        The class name of the component\n   *\n   * @param {Component} comp\n   *        The component class\n   *\n   * @return {Component}\n   *         The newly registered component\n   */\n\n  videojs$1.registerComponent = function (name, comp) {\n    if (Tech.isTech(comp)) {\n      log.warn(\"The \" + name + \" tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)\");\n    }\n\n    Component.registerComponent.call(Component, name, comp);\n  };\n\n  videojs$1.getTech = Tech.getTech;\n  videojs$1.registerTech = Tech.registerTech;\n  videojs$1.use = use;\n  /**\n   * An object that can be returned by a middleware to signify\n   * that the middleware is being terminated.\n   *\n   * @type {object}\n   * @property {object} middleware.TERMINATOR\n   */\n\n  Object.defineProperty(videojs$1, 'middleware', {\n    value: {},\n    writeable: false,\n    enumerable: true\n  });\n  Object.defineProperty(videojs$1.middleware, 'TERMINATOR', {\n    value: TERMINATOR,\n    writeable: false,\n    enumerable: true\n  });\n  /**\n   * A reference to the {@link module:browser|browser utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:browser|browser}\n   */\n\n  videojs$1.browser = browser;\n  /**\n   * Use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED} instead; only\n   * included for backward-compatibility with 4.x.\n   *\n   * @deprecated Since version 5.0, use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED instead.\n   * @type {boolean}\n   */\n\n  videojs$1.TOUCH_ENABLED = TOUCH_ENABLED;\n  videojs$1.extend = extend;\n  videojs$1.mergeOptions = mergeOptions;\n  videojs$1.bind = bind;\n  videojs$1.registerPlugin = Plugin.registerPlugin;\n  videojs$1.deregisterPlugin = Plugin.deregisterPlugin;\n  /**\n   * Deprecated method to register a plugin with Video.js\n   *\n   * @deprecated videojs.plugin() is deprecated; use videojs.registerPlugin() instead\n   *\n   * @param {string} name\n   *        The plugin name\n   *\n   * @param {Plugin|Function} plugin\n   *         The plugin sub-class or function\n   */\n\n  videojs$1.plugin = function (name, plugin) {\n    log.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');\n    return Plugin.registerPlugin(name, plugin);\n  };\n\n  videojs$1.getPlugins = Plugin.getPlugins;\n  videojs$1.getPlugin = Plugin.getPlugin;\n  videojs$1.getPluginVersion = Plugin.getPluginVersion;\n  /**\n   * Adding languages so that they're available to all players.\n   * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`\n   *\n   * @param {string} code\n   *        The language code or dictionary property\n   *\n   * @param {Object} data\n   *        The data values to be translated\n   *\n   * @return {Object}\n   *         The resulting language dictionary object\n   */\n\n  videojs$1.addLanguage = function (code, data) {\n    var _mergeOptions;\n\n    code = ('' + code).toLowerCase();\n    videojs$1.options.languages = mergeOptions(videojs$1.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));\n    return videojs$1.options.languages[code];\n  };\n  /**\n   * A reference to the {@link module:log|log utility module} as an object.\n   *\n   * @type {Function}\n   * @see  {@link module:log|log}\n   */\n\n\n  videojs$1.log = log;\n  videojs$1.createLogger = createLogger$1;\n  videojs$1.createTimeRange = videojs$1.createTimeRanges = createTimeRanges;\n  videojs$1.formatTime = formatTime;\n  videojs$1.setFormatTime = setFormatTime;\n  videojs$1.resetFormatTime = resetFormatTime;\n  videojs$1.parseUrl = parseUrl;\n  videojs$1.isCrossOrigin = isCrossOrigin;\n  videojs$1.EventTarget = EventTarget;\n  videojs$1.on = on;\n  videojs$1.one = one;\n  videojs$1.off = off;\n  videojs$1.trigger = trigger;\n  /**\n   * A cross-browser XMLHttpRequest wrapper.\n   *\n   * @function\n   * @param    {Object} options\n   *           Settings for the request.\n   *\n   * @return   {XMLHttpRequest|XDomainRequest}\n   *           The request object.\n   *\n   * @see      https://github.com/Raynos/xhr\n   */\n\n  videojs$1.xhr = xhr;\n  videojs$1.TextTrack = TextTrack;\n  videojs$1.AudioTrack = AudioTrack;\n  videojs$1.VideoTrack = VideoTrack;\n  ['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {\n    videojs$1[k] = function () {\n      log.warn(\"videojs.\" + k + \"() is deprecated; use videojs.dom.\" + k + \"() instead\");\n      return Dom[k].apply(null, arguments);\n    };\n  });\n  videojs$1.computedStyle = computedStyle;\n  /**\n   * A reference to the {@link module:dom|DOM utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:dom|dom}\n   */\n\n  videojs$1.dom = Dom;\n  /**\n   * A reference to the {@link module:url|URL utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:url|url}\n   */\n\n  videojs$1.url = Url;\n  videojs$1.defineLazyProperty = defineLazyProperty;\n\n  var urlToolkit = createCommonjsModule(function (module, exports) {\n    // see https://tools.ietf.org/html/rfc1808\n\n    /* jshint ignore:start */\n    (function (root) {\n      /* jshint ignore:end */\n      var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n      var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n      var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n      var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n      var URLToolkit = {\n        // jshint ignore:line\n        // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n        // E.g\n        // With opts.alwaysNormalize = false (default, spec compliant)\n        // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n        // With opts.alwaysNormalize = true (not spec compliant)\n        // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n        buildAbsoluteURL: function buildAbsoluteURL(baseURL, relativeURL, opts) {\n          opts = opts || {}; // remove any remaining space and CRLF\n\n          baseURL = baseURL.trim();\n          relativeURL = relativeURL.trim();\n\n          if (!relativeURL) {\n            // 2a) If the embedded URL is entirely empty, it inherits the\n            // entire base URL (i.e., is set equal to the base URL)\n            // and we are done.\n            if (!opts.alwaysNormalize) {\n              return baseURL;\n            }\n\n            var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n\n            if (!basePartsForNormalise) {\n              throw new Error('Error trying to parse base URL.');\n            }\n\n            basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n            return URLToolkit.buildURLFromParts(basePartsForNormalise);\n          }\n\n          var relativeParts = URLToolkit.parseURL(relativeURL);\n\n          if (!relativeParts) {\n            throw new Error('Error trying to parse relative URL.');\n          }\n\n          if (relativeParts.scheme) {\n            // 2b) If the embedded URL starts with a scheme name, it is\n            // interpreted as an absolute URL and we are done.\n            if (!opts.alwaysNormalize) {\n              return relativeURL;\n            }\n\n            relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n            return URLToolkit.buildURLFromParts(relativeParts);\n          }\n\n          var baseParts = URLToolkit.parseURL(baseURL);\n\n          if (!baseParts) {\n            throw new Error('Error trying to parse base URL.');\n          }\n\n          if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n            // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n            // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n            var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n            baseParts.netLoc = pathParts[1];\n            baseParts.path = pathParts[2];\n          }\n\n          if (baseParts.netLoc && !baseParts.path) {\n            baseParts.path = '/';\n          }\n\n          var builtParts = {\n            // 2c) Otherwise, the embedded URL inherits the scheme of\n            // the base URL.\n            scheme: baseParts.scheme,\n            netLoc: relativeParts.netLoc,\n            path: null,\n            params: relativeParts.params,\n            query: relativeParts.query,\n            fragment: relativeParts.fragment\n          };\n\n          if (!relativeParts.netLoc) {\n            // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n            // Step 7.  Otherwise, the embedded URL inherits the <net_loc>\n            // (if any) of the base URL.\n            builtParts.netLoc = baseParts.netLoc; // 4) If the embedded URL path is preceded by a slash \"/\", the\n            // path is not relative and we skip to Step 7.\n\n            if (relativeParts.path[0] !== '/') {\n              if (!relativeParts.path) {\n                // 5) If the embedded URL path is empty (and not preceded by a\n                // slash), then the embedded URL inherits the base URL path\n                builtParts.path = baseParts.path; // 5a) if the embedded URL's <params> is non-empty, we skip to\n                // step 7; otherwise, it inherits the <params> of the base\n                // URL (if any) and\n\n                if (!relativeParts.params) {\n                  builtParts.params = baseParts.params; // 5b) if the embedded URL's <query> is non-empty, we skip to\n                  // step 7; otherwise, it inherits the <query> of the base\n                  // URL (if any) and we skip to step 7.\n\n                  if (!relativeParts.query) {\n                    builtParts.query = baseParts.query;\n                  }\n                }\n              } else {\n                // 6) The last segment of the base URL's path (anything\n                // following the rightmost slash \"/\", or the entire path if no\n                // slash is present) is removed and the embedded URL's path is\n                // appended in its place.\n                var baseURLPath = baseParts.path;\n                var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n                builtParts.path = URLToolkit.normalizePath(newPath);\n              }\n            }\n          }\n\n          if (builtParts.path === null) {\n            builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n          }\n\n          return URLToolkit.buildURLFromParts(builtParts);\n        },\n        parseURL: function parseURL(url) {\n          var parts = URL_REGEX.exec(url);\n\n          if (!parts) {\n            return null;\n          }\n\n          return {\n            scheme: parts[1] || '',\n            netLoc: parts[2] || '',\n            path: parts[3] || '',\n            params: parts[4] || '',\n            query: parts[5] || '',\n            fragment: parts[6] || ''\n          };\n        },\n        normalizePath: function normalizePath(path) {\n          // The following operations are\n          // then applied, in order, to the new path:\n          // 6a) All occurrences of \"./\", where \".\" is a complete path\n          // segment, are removed.\n          // 6b) If the path ends with \".\" as a complete path segment,\n          // that \".\" is removed.\n          path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, ''); // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n          // complete path segment not equal to \"..\", are removed.\n          // Removal of these path segments is performed iteratively,\n          // removing the leftmost matching pattern on each iteration,\n          // until no matching pattern remains.\n          // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n          // complete path segment not equal to \"..\", that\n          // \"<segment>/..\" is removed.\n\n          while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n\n\n          return path.split('').reverse().join('');\n        },\n        buildURLFromParts: function buildURLFromParts(parts) {\n          return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n        }\n      };\n      /* jshint ignore:start */\n\n      module.exports = URLToolkit;\n    })();\n    /* jshint ignore:end */\n\n  });\n\n  /*! @name m3u8-parser @version 4.4.0 @license Apache-2.0 */\n\n  function _extends() {\n    _extends = Object.assign || function (target) {\n      for (var i = 1; i < arguments.length; i++) {\n        var source = arguments[i];\n\n        for (var key in source) {\n          if (Object.prototype.hasOwnProperty.call(source, key)) {\n            target[key] = source[key];\n          }\n        }\n      }\n\n      return target;\n    };\n\n    return _extends.apply(this, arguments);\n  }\n\n  function _inheritsLoose$1(subClass, superClass) {\n    subClass.prototype = Object.create(superClass.prototype);\n    subClass.prototype.constructor = subClass;\n    subClass.__proto__ = superClass;\n  }\n\n  function _assertThisInitialized$1(self) {\n    if (self === void 0) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return self;\n  }\n  /**\n   * @file stream.js\n   */\n\n  /**\n   * A lightweight readable stream implementation that handles event dispatching.\n   *\n   * @class Stream\n   */\n\n\n  var Stream = /*#__PURE__*/function () {\n    function Stream() {\n      this.listeners = {};\n    }\n    /**\n     * Add a listener for a specified event type.\n     *\n     * @param {string} type the event name\n     * @param {Function} listener the callback to be invoked when an event of\n     * the specified type occurs\n     */\n\n\n    var _proto = Stream.prototype;\n\n    _proto.on = function on(type, listener) {\n      if (!this.listeners[type]) {\n        this.listeners[type] = [];\n      }\n\n      this.listeners[type].push(listener);\n    }\n    /**\n     * Remove a listener for a specified event type.\n     *\n     * @param {string} type the event name\n     * @param {Function} listener  a function previously registered for this\n     * type of event through `on`\n     * @return {boolean} if we could turn it off or not\n     */\n    ;\n\n    _proto.off = function off(type, listener) {\n      if (!this.listeners[type]) {\n        return false;\n      }\n\n      var index = this.listeners[type].indexOf(listener);\n      this.listeners[type].splice(index, 1);\n      return index > -1;\n    }\n    /**\n     * Trigger an event of the specified type on this stream. Any additional\n     * arguments to this function are passed as parameters to event listeners.\n     *\n     * @param {string} type the event name\n     */\n    ;\n\n    _proto.trigger = function trigger(type) {\n      var callbacks = this.listeners[type];\n      var i;\n      var length;\n      var args;\n\n      if (!callbacks) {\n        return;\n      } // Slicing the arguments on every invocation of this method\n      // can add a significant amount of overhead. Avoid the\n      // intermediate object creation for the common case of a\n      // single callback argument\n\n\n      if (arguments.length === 2) {\n        length = callbacks.length;\n\n        for (i = 0; i < length; ++i) {\n          callbacks[i].call(this, arguments[1]);\n        }\n      } else {\n        args = Array.prototype.slice.call(arguments, 1);\n        length = callbacks.length;\n\n        for (i = 0; i < length; ++i) {\n          callbacks[i].apply(this, args);\n        }\n      }\n    }\n    /**\n     * Destroys the stream and cleans up.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.listeners = {};\n    }\n    /**\n     * Forwards all `data` events on this stream to the destination stream. The\n     * destination stream should provide a method `push` to receive the data\n     * events as they arrive.\n     *\n     * @param {Stream} destination the stream that will receive all `data` events\n     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n     */\n    ;\n\n    _proto.pipe = function pipe(destination) {\n      this.on('data', function (data) {\n        destination.push(data);\n      });\n    };\n\n    return Stream;\n  }();\n  /**\n   * A stream that buffers string input and generates a `data` event for each\n   * line.\n   *\n   * @class LineStream\n   * @extends Stream\n   */\n\n\n  var LineStream = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(LineStream, _Stream);\n\n    function LineStream() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.buffer = '';\n      return _this;\n    }\n    /**\n     * Add new data to be parsed.\n     *\n     * @param {string} data the text to process\n     */\n\n\n    var _proto = LineStream.prototype;\n\n    _proto.push = function push(data) {\n      var nextNewline;\n      this.buffer += data;\n      nextNewline = this.buffer.indexOf('\\n');\n\n      for (; nextNewline > -1; nextNewline = this.buffer.indexOf('\\n')) {\n        this.trigger('data', this.buffer.substring(0, nextNewline));\n        this.buffer = this.buffer.substring(nextNewline + 1);\n      }\n    };\n\n    return LineStream;\n  }(Stream);\n  /**\n   * \"forgiving\" attribute list psuedo-grammar:\n   * attributes -> keyvalue (',' keyvalue)*\n   * keyvalue   -> key '=' value\n   * key        -> [^=]*\n   * value      -> '\"' [^\"]* '\"' | [^,]*\n   */\n\n\n  var attributeSeparator = function attributeSeparator() {\n    var key = '[^=]*';\n    var value = '\"[^\"]*\"|[^,]*';\n    var keyvalue = '(?:' + key + ')=(?:' + value + ')';\n    return new RegExp('(?:^|,)(' + keyvalue + ')');\n  };\n  /**\n   * Parse attributes from a line given the separator\n   *\n   * @param {string} attributes the attribute line to parse\n   */\n\n\n  var parseAttributes = function parseAttributes(attributes) {\n    // split the string using attributes as the separator\n    var attrs = attributes.split(attributeSeparator());\n    var result = {};\n    var i = attrs.length;\n    var attr;\n\n    while (i--) {\n      // filter out unmatched portions of the string\n      if (attrs[i] === '') {\n        continue;\n      } // split the key and value\n\n\n      attr = /([^=]*)=(.*)/.exec(attrs[i]).slice(1); // trim whitespace and remove optional quotes around the value\n\n      attr[0] = attr[0].replace(/^\\s+|\\s+$/g, '');\n      attr[1] = attr[1].replace(/^\\s+|\\s+$/g, '');\n      attr[1] = attr[1].replace(/^['\"](.*)['\"]$/g, '$1');\n      result[attr[0]] = attr[1];\n    }\n\n    return result;\n  };\n  /**\n   * A line-level M3U8 parser event stream. It expects to receive input one\n   * line at a time and performs a context-free parse of its contents. A stream\n   * interpretation of a manifest can be useful if the manifest is expected to\n   * be too large to fit comfortably into memory or the entirety of the input\n   * is not immediately available. Otherwise, it's probably much easier to work\n   * with a regular `Parser` object.\n   *\n   * Produces `data` events with an object that captures the parser's\n   * interpretation of the input. That object has a property `tag` that is one\n   * of `uri`, `comment`, or `tag`. URIs only have a single additional\n   * property, `line`, which captures the entirety of the input without\n   * interpretation. Comments similarly have a single additional property\n   * `text` which is the input without the leading `#`.\n   *\n   * Tags always have a property `tagType` which is the lower-cased version of\n   * the M3U8 directive without the `#EXT` or `#EXT-X-` prefix. For instance,\n   * `#EXT-X-MEDIA-SEQUENCE` becomes `media-sequence` when parsed. Unrecognized\n   * tags are given the tag type `unknown` and a single additional property\n   * `data` with the remainder of the input.\n   *\n   * @class ParseStream\n   * @extends Stream\n   */\n\n\n  var ParseStream = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(ParseStream, _Stream);\n\n    function ParseStream() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.customParsers = [];\n      _this.tagMappers = [];\n      return _this;\n    }\n    /**\n     * Parses an additional line of input.\n     *\n     * @param {string} line a single line of an M3U8 file to parse\n     */\n\n\n    var _proto = ParseStream.prototype;\n\n    _proto.push = function push(line) {\n      var _this2 = this;\n\n      var match;\n      var event; // strip whitespace\n\n      line = line.trim();\n\n      if (line.length === 0) {\n        // ignore empty lines\n        return;\n      } // URIs\n\n\n      if (line[0] !== '#') {\n        this.trigger('data', {\n          type: 'uri',\n          uri: line\n        });\n        return;\n      } // map tags\n\n\n      var newLines = this.tagMappers.reduce(function (acc, mapper) {\n        var mappedLine = mapper(line); // skip if unchanged\n\n        if (mappedLine === line) {\n          return acc;\n        }\n\n        return acc.concat([mappedLine]);\n      }, [line]);\n      newLines.forEach(function (newLine) {\n        for (var i = 0; i < _this2.customParsers.length; i++) {\n          if (_this2.customParsers[i].call(_this2, newLine)) {\n            return;\n          }\n        } // Comments\n\n\n        if (newLine.indexOf('#EXT') !== 0) {\n          _this2.trigger('data', {\n            type: 'comment',\n            text: newLine.slice(1)\n          });\n\n          return;\n        } // strip off any carriage returns here so the regex matching\n        // doesn't have to account for them.\n\n\n        newLine = newLine.replace('\\r', ''); // Tags\n\n        match = /^#EXTM3U/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'm3u'\n          });\n\n          return;\n        }\n\n        match = /^#EXTINF:?([0-9\\.]*)?,?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'inf'\n          };\n\n          if (match[1]) {\n            event.duration = parseFloat(match[1]);\n          }\n\n          if (match[2]) {\n            event.title = match[2];\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'targetduration'\n          };\n\n          if (match[1]) {\n            event.duration = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#ZEN-TOTAL-DURATION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'totalduration'\n          };\n\n          if (match[1]) {\n            event.duration = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-VERSION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'version'\n          };\n\n          if (match[1]) {\n            event.version = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MEDIA-SEQUENCE:?(\\-?[0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'media-sequence'\n          };\n\n          if (match[1]) {\n            event.number = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-DISCONTINUITY-SEQUENCE:?(\\-?[0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'discontinuity-sequence'\n          };\n\n          if (match[1]) {\n            event.number = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-PLAYLIST-TYPE:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'playlist-type'\n          };\n\n          if (match[1]) {\n            event.playlistType = match[1];\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-BYTERANGE:?([0-9.]*)?@?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'byterange'\n          };\n\n          if (match[1]) {\n            event.length = parseInt(match[1], 10);\n          }\n\n          if (match[2]) {\n            event.offset = parseInt(match[2], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-ALLOW-CACHE:?(YES|NO)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'allow-cache'\n          };\n\n          if (match[1]) {\n            event.allowed = !/NO/.test(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MAP:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'map'\n          };\n\n          if (match[1]) {\n            var attributes = parseAttributes(match[1]);\n\n            if (attributes.URI) {\n              event.uri = attributes.URI;\n            }\n\n            if (attributes.BYTERANGE) {\n              var _attributes$BYTERANGE = attributes.BYTERANGE.split('@'),\n                  length = _attributes$BYTERANGE[0],\n                  offset = _attributes$BYTERANGE[1];\n\n              event.byterange = {};\n\n              if (length) {\n                event.byterange.length = parseInt(length, 10);\n              }\n\n              if (offset) {\n                event.byterange.offset = parseInt(offset, 10);\n              }\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-STREAM-INF:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'stream-inf'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n\n            if (event.attributes.RESOLUTION) {\n              var split = event.attributes.RESOLUTION.split('x');\n              var resolution = {};\n\n              if (split[0]) {\n                resolution.width = parseInt(split[0], 10);\n              }\n\n              if (split[1]) {\n                resolution.height = parseInt(split[1], 10);\n              }\n\n              event.attributes.RESOLUTION = resolution;\n            }\n\n            if (event.attributes.BANDWIDTH) {\n              event.attributes.BANDWIDTH = parseInt(event.attributes.BANDWIDTH, 10);\n            }\n\n            if (event.attributes['PROGRAM-ID']) {\n              event.attributes['PROGRAM-ID'] = parseInt(event.attributes['PROGRAM-ID'], 10);\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MEDIA:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'media'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-ENDLIST/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'endlist'\n          });\n\n          return;\n        }\n\n        match = /^#EXT-X-DISCONTINUITY/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'discontinuity'\n          });\n\n          return;\n        }\n\n        match = /^#EXT-X-PROGRAM-DATE-TIME:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'program-date-time'\n          };\n\n          if (match[1]) {\n            event.dateTimeString = match[1];\n            event.dateTimeObject = new Date(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-KEY:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'key'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]); // parse the IV string into a Uint32Array\n\n            if (event.attributes.IV) {\n              if (event.attributes.IV.substring(0, 2).toLowerCase() === '0x') {\n                event.attributes.IV = event.attributes.IV.substring(2);\n              }\n\n              event.attributes.IV = event.attributes.IV.match(/.{8}/g);\n              event.attributes.IV[0] = parseInt(event.attributes.IV[0], 16);\n              event.attributes.IV[1] = parseInt(event.attributes.IV[1], 16);\n              event.attributes.IV[2] = parseInt(event.attributes.IV[2], 16);\n              event.attributes.IV[3] = parseInt(event.attributes.IV[3], 16);\n              event.attributes.IV = new Uint32Array(event.attributes.IV);\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-START:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'start'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n            event.attributes['TIME-OFFSET'] = parseFloat(event.attributes['TIME-OFFSET']);\n            event.attributes.PRECISE = /YES/.test(event.attributes.PRECISE);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-OUT-CONT:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-out-cont'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-OUT:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-out'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-IN:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-in'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        } // unknown tag type\n\n\n        _this2.trigger('data', {\n          type: 'tag',\n          data: newLine.slice(4)\n        });\n      });\n    }\n    /**\n     * Add a parser for custom headers\n     *\n     * @param {Object}   options              a map of options for the added parser\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {string}   options.customType   the custom type to register to the output\n     * @param {Function} [options.dataParser] function to parse the line into an object\n     * @param {boolean}  [options.segment]    should tag data be attached to the segment object\n     */\n    ;\n\n    _proto.addParser = function addParser(_ref) {\n      var _this3 = this;\n\n      var expression = _ref.expression,\n          customType = _ref.customType,\n          dataParser = _ref.dataParser,\n          segment = _ref.segment;\n\n      if (typeof dataParser !== 'function') {\n        dataParser = function dataParser(line) {\n          return line;\n        };\n      }\n\n      this.customParsers.push(function (line) {\n        var match = expression.exec(line);\n\n        if (match) {\n          _this3.trigger('data', {\n            type: 'custom',\n            data: dataParser(line),\n            customType: customType,\n            segment: segment\n          });\n\n          return true;\n        }\n      });\n    }\n    /**\n     * Add a custom header mapper\n     *\n     * @param {Object}   options\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {Function} options.map          function to translate tag into a different tag\n     */\n    ;\n\n    _proto.addTagMapper = function addTagMapper(_ref2) {\n      var expression = _ref2.expression,\n          map = _ref2.map;\n\n      var mapFn = function mapFn(line) {\n        if (expression.test(line)) {\n          return map(line);\n        }\n\n        return line;\n      };\n\n      this.tagMappers.push(mapFn);\n    };\n\n    return ParseStream;\n  }(Stream);\n\n  function decodeB64ToUint8Array(b64Text) {\n    var decodedString = window$3.atob(b64Text || '');\n    var array = new Uint8Array(decodedString.length);\n\n    for (var i = 0; i < decodedString.length; i++) {\n      array[i] = decodedString.charCodeAt(i);\n    }\n\n    return array;\n  }\n  /**\n   * A parser for M3U8 files. The current interpretation of the input is\n   * exposed as a property `manifest` on parser objects. It's just two lines to\n   * create and parse a manifest once you have the contents available as a string:\n   *\n   * ```js\n   * var parser = new m3u8.Parser();\n   * parser.push(xhr.responseText);\n   * ```\n   *\n   * New input can later be applied to update the manifest object by calling\n   * `push` again.\n   *\n   * The parser attempts to create a usable manifest object even if the\n   * underlying input is somewhat nonsensical. It emits `info` and `warning`\n   * events during the parse if it encounters input that seems invalid or\n   * requires some property of the manifest object to be defaulted.\n   *\n   * @class Parser\n   * @extends Stream\n   */\n\n\n  var Parser = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(Parser, _Stream);\n\n    function Parser() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.lineStream = new LineStream();\n      _this.parseStream = new ParseStream();\n\n      _this.lineStream.pipe(_this.parseStream);\n      /* eslint-disable consistent-this */\n\n\n      var self = _assertThisInitialized$1(_this);\n      /* eslint-enable consistent-this */\n\n\n      var uris = [];\n      var currentUri = {}; // if specified, the active EXT-X-MAP definition\n\n      var currentMap; // if specified, the active decryption key\n\n      var _key;\n\n      var noop = function noop() {};\n\n      var defaultMediaGroups = {\n        'AUDIO': {},\n        'VIDEO': {},\n        'CLOSED-CAPTIONS': {},\n        'SUBTITLES': {}\n      }; // This is the Widevine UUID from DASH IF IOP. The same exact string is\n      // used in MPDs with Widevine encrypted streams.\n\n      var widevineUuid = 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed'; // group segments into numbered timelines delineated by discontinuities\n\n      var currentTimeline = 0; // the manifest is empty until the parse stream begins delivering data\n\n      _this.manifest = {\n        allowCache: true,\n        discontinuityStarts: [],\n        segments: []\n      }; // update the manifest with the m3u8 entry from the parse stream\n\n      _this.parseStream.on('data', function (entry) {\n        var mediaGroup;\n        var rendition;\n        ({\n          tag: function tag() {\n            // switch based on the tag type\n            (({\n              'allow-cache': function allowCache() {\n                this.manifest.allowCache = entry.allowed;\n\n                if (!('allowed' in entry)) {\n                  this.trigger('info', {\n                    message: 'defaulting allowCache to YES'\n                  });\n                  this.manifest.allowCache = true;\n                }\n              },\n              byterange: function byterange() {\n                var byterange = {};\n\n                if ('length' in entry) {\n                  currentUri.byterange = byterange;\n                  byterange.length = entry.length;\n\n                  if (!('offset' in entry)) {\n                    this.trigger('info', {\n                      message: 'defaulting offset to zero'\n                    });\n                    entry.offset = 0;\n                  }\n                }\n\n                if ('offset' in entry) {\n                  currentUri.byterange = byterange;\n                  byterange.offset = entry.offset;\n                }\n              },\n              endlist: function endlist() {\n                this.manifest.endList = true;\n              },\n              inf: function inf() {\n                if (!('mediaSequence' in this.manifest)) {\n                  this.manifest.mediaSequence = 0;\n                  this.trigger('info', {\n                    message: 'defaulting media sequence to zero'\n                  });\n                }\n\n                if (!('discontinuitySequence' in this.manifest)) {\n                  this.manifest.discontinuitySequence = 0;\n                  this.trigger('info', {\n                    message: 'defaulting discontinuity sequence to zero'\n                  });\n                }\n\n                if (entry.duration > 0) {\n                  currentUri.duration = entry.duration;\n                }\n\n                if (entry.duration === 0) {\n                  currentUri.duration = 0.01;\n                  this.trigger('info', {\n                    message: 'updating zero segment duration to a small value'\n                  });\n                }\n\n                this.manifest.segments = uris;\n              },\n              key: function key() {\n                if (!entry.attributes) {\n                  this.trigger('warn', {\n                    message: 'ignoring key declaration without attribute list'\n                  });\n                  return;\n                } // clear the active encryption key\n\n\n                if (entry.attributes.METHOD === 'NONE') {\n                  _key = null;\n                  return;\n                }\n\n                if (!entry.attributes.URI) {\n                  this.trigger('warn', {\n                    message: 'ignoring key declaration without URI'\n                  });\n                  return;\n                } // check if the content is encrypted for Widevine\n                // Widevine/HLS spec: https://storage.googleapis.com/wvdocs/Widevine_DRM_HLS.pdf\n\n\n                if (entry.attributes.KEYFORMAT === widevineUuid) {\n                  var VALID_METHODS = ['SAMPLE-AES', 'SAMPLE-AES-CTR', 'SAMPLE-AES-CENC'];\n\n                  if (VALID_METHODS.indexOf(entry.attributes.METHOD) === -1) {\n                    this.trigger('warn', {\n                      message: 'invalid key method provided for Widevine'\n                    });\n                    return;\n                  }\n\n                  if (entry.attributes.METHOD === 'SAMPLE-AES-CENC') {\n                    this.trigger('warn', {\n                      message: 'SAMPLE-AES-CENC is deprecated, please use SAMPLE-AES-CTR instead'\n                    });\n                  }\n\n                  if (entry.attributes.URI.substring(0, 23) !== 'data:text/plain;base64,') {\n                    this.trigger('warn', {\n                      message: 'invalid key URI provided for Widevine'\n                    });\n                    return;\n                  }\n\n                  if (!(entry.attributes.KEYID && entry.attributes.KEYID.substring(0, 2) === '0x')) {\n                    this.trigger('warn', {\n                      message: 'invalid key ID provided for Widevine'\n                    });\n                    return;\n                  } // if Widevine key attributes are valid, store them as `contentProtection`\n                  // on the manifest to emulate Widevine tag structure in a DASH mpd\n\n\n                  this.manifest.contentProtection = {\n                    'com.widevine.alpha': {\n                      attributes: {\n                        schemeIdUri: entry.attributes.KEYFORMAT,\n                        // remove '0x' from the key id string\n                        keyId: entry.attributes.KEYID.substring(2)\n                      },\n                      // decode the base64-encoded PSSH box\n                      pssh: decodeB64ToUint8Array(entry.attributes.URI.split(',')[1])\n                    }\n                  };\n                  return;\n                }\n\n                if (!entry.attributes.METHOD) {\n                  this.trigger('warn', {\n                    message: 'defaulting key method to AES-128'\n                  });\n                } // setup an encryption key for upcoming segments\n\n\n                _key = {\n                  method: entry.attributes.METHOD || 'AES-128',\n                  uri: entry.attributes.URI\n                };\n\n                if (typeof entry.attributes.IV !== 'undefined') {\n                  _key.iv = entry.attributes.IV;\n                }\n              },\n              'media-sequence': function mediaSequence() {\n                if (!isFinite(entry.number)) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid media sequence: ' + entry.number\n                  });\n                  return;\n                }\n\n                this.manifest.mediaSequence = entry.number;\n              },\n              'discontinuity-sequence': function discontinuitySequence() {\n                if (!isFinite(entry.number)) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid discontinuity sequence: ' + entry.number\n                  });\n                  return;\n                }\n\n                this.manifest.discontinuitySequence = entry.number;\n                currentTimeline = entry.number;\n              },\n              'playlist-type': function playlistType() {\n                if (!/VOD|EVENT/.test(entry.playlistType)) {\n                  this.trigger('warn', {\n                    message: 'ignoring unknown playlist type: ' + entry.playlist\n                  });\n                  return;\n                }\n\n                this.manifest.playlistType = entry.playlistType;\n              },\n              map: function map() {\n                currentMap = {};\n\n                if (entry.uri) {\n                  currentMap.uri = entry.uri;\n                }\n\n                if (entry.byterange) {\n                  currentMap.byterange = entry.byterange;\n                }\n              },\n              'stream-inf': function streamInf() {\n                this.manifest.playlists = uris;\n                this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;\n\n                if (!entry.attributes) {\n                  this.trigger('warn', {\n                    message: 'ignoring empty stream-inf attributes'\n                  });\n                  return;\n                }\n\n                if (!currentUri.attributes) {\n                  currentUri.attributes = {};\n                }\n\n                _extends(currentUri.attributes, entry.attributes);\n              },\n              media: function media() {\n                this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;\n\n                if (!(entry.attributes && entry.attributes.TYPE && entry.attributes['GROUP-ID'] && entry.attributes.NAME)) {\n                  this.trigger('warn', {\n                    message: 'ignoring incomplete or missing media group'\n                  });\n                  return;\n                } // find the media group, creating defaults as necessary\n\n\n                var mediaGroupType = this.manifest.mediaGroups[entry.attributes.TYPE];\n                mediaGroupType[entry.attributes['GROUP-ID']] = mediaGroupType[entry.attributes['GROUP-ID']] || {};\n                mediaGroup = mediaGroupType[entry.attributes['GROUP-ID']]; // collect the rendition metadata\n\n                rendition = {\n                  \"default\": /yes/i.test(entry.attributes.DEFAULT)\n                };\n\n                if (rendition[\"default\"]) {\n                  rendition.autoselect = true;\n                } else {\n                  rendition.autoselect = /yes/i.test(entry.attributes.AUTOSELECT);\n                }\n\n                if (entry.attributes.LANGUAGE) {\n                  rendition.language = entry.attributes.LANGUAGE;\n                }\n\n                if (entry.attributes.URI) {\n                  rendition.uri = entry.attributes.URI;\n                }\n\n                if (entry.attributes['INSTREAM-ID']) {\n                  rendition.instreamId = entry.attributes['INSTREAM-ID'];\n                }\n\n                if (entry.attributes.CHARACTERISTICS) {\n                  rendition.characteristics = entry.attributes.CHARACTERISTICS;\n                }\n\n                if (entry.attributes.FORCED) {\n                  rendition.forced = /yes/i.test(entry.attributes.FORCED);\n                } // insert the new rendition\n\n\n                mediaGroup[entry.attributes.NAME] = rendition;\n              },\n              discontinuity: function discontinuity() {\n                currentTimeline += 1;\n                currentUri.discontinuity = true;\n                this.manifest.discontinuityStarts.push(uris.length);\n              },\n              'program-date-time': function programDateTime() {\n                if (typeof this.manifest.dateTimeString === 'undefined') {\n                  // PROGRAM-DATE-TIME is a media-segment tag, but for backwards\n                  // compatibility, we add the first occurence of the PROGRAM-DATE-TIME tag\n                  // to the manifest object\n                  // TODO: Consider removing this in future major version\n                  this.manifest.dateTimeString = entry.dateTimeString;\n                  this.manifest.dateTimeObject = entry.dateTimeObject;\n                }\n\n                currentUri.dateTimeString = entry.dateTimeString;\n                currentUri.dateTimeObject = entry.dateTimeObject;\n              },\n              targetduration: function targetduration() {\n                if (!isFinite(entry.duration) || entry.duration < 0) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid target duration: ' + entry.duration\n                  });\n                  return;\n                }\n\n                this.manifest.targetDuration = entry.duration;\n              },\n              totalduration: function totalduration() {\n                if (!isFinite(entry.duration) || entry.duration < 0) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid total duration: ' + entry.duration\n                  });\n                  return;\n                }\n\n                this.manifest.totalDuration = entry.duration;\n              },\n              start: function start() {\n                if (!entry.attributes || isNaN(entry.attributes['TIME-OFFSET'])) {\n                  this.trigger('warn', {\n                    message: 'ignoring start declaration without appropriate attribute list'\n                  });\n                  return;\n                }\n\n                this.manifest.start = {\n                  timeOffset: entry.attributes['TIME-OFFSET'],\n                  precise: entry.attributes.PRECISE\n                };\n              },\n              'cue-out': function cueOut() {\n                currentUri.cueOut = entry.data;\n              },\n              'cue-out-cont': function cueOutCont() {\n                currentUri.cueOutCont = entry.data;\n              },\n              'cue-in': function cueIn() {\n                currentUri.cueIn = entry.data;\n              }\n            })[entry.tagType] || noop).call(self);\n          },\n          uri: function uri() {\n            currentUri.uri = entry.uri;\n            uris.push(currentUri); // if no explicit duration was declared, use the target duration\n\n            if (this.manifest.targetDuration && !('duration' in currentUri)) {\n              this.trigger('warn', {\n                message: 'defaulting segment duration to the target duration'\n              });\n              currentUri.duration = this.manifest.targetDuration;\n            } // annotate with encryption information, if necessary\n\n\n            if (_key) {\n              currentUri.key = _key;\n            }\n\n            currentUri.timeline = currentTimeline; // annotate with initialization segment information, if necessary\n\n            if (currentMap) {\n              currentUri.map = currentMap;\n            } // prepare for the next URI\n\n\n            currentUri = {};\n          },\n          comment: function comment() {// comments are not important for playback\n          },\n          custom: function custom() {\n            // if this is segment-level data attach the output to the segment\n            if (entry.segment) {\n              currentUri.custom = currentUri.custom || {};\n              currentUri.custom[entry.customType] = entry.data; // if this is manifest-level data attach to the top level manifest object\n            } else {\n              this.manifest.custom = this.manifest.custom || {};\n              this.manifest.custom[entry.customType] = entry.data;\n            }\n          }\n        })[entry.type].call(self);\n      });\n\n      return _this;\n    }\n    /**\n     * Parse the input string and update the manifest object.\n     *\n     * @param {string} chunk a potentially incomplete portion of the manifest\n     */\n\n\n    var _proto = Parser.prototype;\n\n    _proto.push = function push(chunk) {\n      this.lineStream.push(chunk);\n    }\n    /**\n     * Flush any remaining input. This can be handy if the last line of an M3U8\n     * manifest did not contain a trailing newline but the file has been\n     * completely received.\n     */\n    ;\n\n    _proto.end = function end() {\n      // flush any buffered input\n      this.lineStream.push('\\n');\n    }\n    /**\n     * Add an additional parser for non-standard tags\n     *\n     * @param {Object}   options              a map of options for the added parser\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {string}   options.type         the type to register to the output\n     * @param {Function} [options.dataParser] function to parse the line into an object\n     * @param {boolean}  [options.segment]    should tag data be attached to the segment object\n     */\n    ;\n\n    _proto.addParser = function addParser(options) {\n      this.parseStream.addParser(options);\n    }\n    /**\n     * Add a custom header mapper\n     *\n     * @param {Object}   options\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {Function} options.map          function to translate tag into a different tag\n     */\n    ;\n\n    _proto.addTagMapper = function addTagMapper(options) {\n      this.parseStream.addTagMapper(options);\n    };\n\n    return Parser;\n  }(Stream);\n\n  function _interopDefault(ex) {\n    return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n  }\n\n  var URLToolkit = _interopDefault(urlToolkit);\n\n  var window$1 = _interopDefault(window$3);\n\n  var resolveUrl = function resolveUrl(baseUrl, relativeUrl) {\n    // return early if we don't need to resolve\n    if (/^[a-z]+:/i.test(relativeUrl)) {\n      return relativeUrl;\n    } // if the base URL is relative then combine with the current location\n\n\n    if (!/\\/\\//i.test(baseUrl)) {\n      baseUrl = URLToolkit.buildAbsoluteURL(window$1.location && window$1.location.href || '', baseUrl);\n    }\n\n    return URLToolkit.buildAbsoluteURL(baseUrl, relativeUrl);\n  };\n\n  var resolveUrl_1 = resolveUrl;\n\n  function _interopDefault$1(ex) {\n    return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n  }\n\n  var window$2 = _interopDefault$1(window$3);\n\n  var atob = function atob(s) {\n    return window$2.atob ? window$2.atob(s) : Buffer.from(s, 'base64').toString('binary');\n  };\n\n  function decodeB64ToUint8Array$1(b64Text) {\n    var decodedString = atob(b64Text);\n    var array = new Uint8Array(decodedString.length);\n\n    for (var i = 0; i < decodedString.length; i++) {\n      array[i] = decodedString.charCodeAt(i);\n    }\n\n    return array;\n  }\n\n  var decodeB64ToUint8Array_1 = decodeB64ToUint8Array$1;\n\n  //[4]   \tNameStartChar\t   ::=   \t\":\" | [A-Z] | \"_\" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]\n  //[4a]   \tNameChar\t   ::=   \tNameStartChar | \"-\" | \".\" | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]\n  //[5]   \tName\t   ::=   \tNameStartChar (NameChar)*\n  var nameStartChar = /[A-Z_a-z\\xC0-\\xD6\\xD8-\\xF6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD]/; //\\u10000-\\uEFFFF\n\n  var nameChar = new RegExp(\"[\\\\-\\\\.0-9\" + nameStartChar.source.slice(1, -1) + \"\\\\u00B7\\\\u0300-\\\\u036F\\\\u203F-\\\\u2040]\");\n  var tagNamePattern = new RegExp('^' + nameStartChar.source + nameChar.source + '*(?:\\:' + nameStartChar.source + nameChar.source + '*)?$'); //var tagNamePattern = /^[a-zA-Z_][\\w\\-\\.]*(?:\\:[a-zA-Z_][\\w\\-\\.]*)?$/\n  //var handlers = 'resolveEntity,getExternalSubset,characters,endDocument,endElement,endPrefixMapping,ignorableWhitespace,processingInstruction,setDocumentLocator,skippedEntity,startDocument,startElement,startPrefixMapping,notationDecl,unparsedEntityDecl,error,fatalError,warning,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,comment,endCDATA,endDTD,endEntity,startCDATA,startDTD,startEntity'.split(',')\n  //S_TAG,\tS_ATTR,\tS_EQ,\tS_ATTR_NOQUOT_VALUE\n  //S_ATTR_SPACE,\tS_ATTR_END,\tS_TAG_SPACE, S_TAG_CLOSE\n\n  var S_TAG = 0; //tag name offerring\n\n  var S_ATTR = 1; //attr name offerring\n\n  var S_ATTR_SPACE = 2; //attr name end and space offer\n\n  var S_EQ = 3; //=space?\n\n  var S_ATTR_NOQUOT_VALUE = 4; //attr value(no quot value only)\n\n  var S_ATTR_END = 5; //attr value end and no space(quot end)\n\n  var S_TAG_SPACE = 6; //(attr value end || tag end ) && (space offer)\n\n  var S_TAG_CLOSE = 7; //closed el<el />\n\n  function XMLReader() {}\n\n  XMLReader.prototype = {\n    parse: function parse(source, defaultNSMap, entityMap) {\n      var domBuilder = this.domBuilder;\n      domBuilder.startDocument();\n\n      _copy(defaultNSMap, defaultNSMap = {});\n\n      _parse(source, defaultNSMap, entityMap, domBuilder, this.errorHandler);\n\n      domBuilder.endDocument();\n    }\n  };\n\n  function _parse(source, defaultNSMapCopy, entityMap, domBuilder, errorHandler) {\n    function fixedFromCharCode(code) {\n      // String.prototype.fromCharCode does not supports\n      // > 2 bytes unicode chars directly\n      if (code > 0xffff) {\n        code -= 0x10000;\n        var surrogate1 = 0xd800 + (code >> 10),\n            surrogate2 = 0xdc00 + (code & 0x3ff);\n        return String.fromCharCode(surrogate1, surrogate2);\n      } else {\n        return String.fromCharCode(code);\n      }\n    }\n\n    function entityReplacer(a) {\n      var k = a.slice(1, -1);\n\n      if (k in entityMap) {\n        return entityMap[k];\n      } else if (k.charAt(0) === '#') {\n        return fixedFromCharCode(parseInt(k.substr(1).replace('x', '0x')));\n      } else {\n        errorHandler.error('entity not found:' + a);\n        return a;\n      }\n    }\n\n    function appendText(end) {\n      //has some bugs\n      if (end > start) {\n        var xt = source.substring(start, end).replace(/&#?\\w+;/g, entityReplacer);\n        locator && position(start);\n        domBuilder.characters(xt, 0, end - start);\n        start = end;\n      }\n    }\n\n    function position(p, m) {\n      while (p >= lineEnd && (m = linePattern.exec(source))) {\n        lineStart = m.index;\n        lineEnd = lineStart + m[0].length;\n        locator.lineNumber++; //console.log('line++:',locator,startPos,endPos)\n      }\n\n      locator.columnNumber = p - lineStart + 1;\n    }\n\n    var lineStart = 0;\n    var lineEnd = 0;\n    var linePattern = /.*(?:\\r\\n?|\\n)|.*$/g;\n    var locator = domBuilder.locator;\n    var parseStack = [{\n      currentNSMap: defaultNSMapCopy\n    }];\n    var closeMap = {};\n    var start = 0;\n\n    while (true) {\n      try {\n        var tagStart = source.indexOf('<', start);\n\n        if (tagStart < 0) {\n          if (!source.substr(start).match(/^\\s*$/)) {\n            var doc = domBuilder.doc;\n            var text = doc.createTextNode(source.substr(start));\n            doc.appendChild(text);\n            domBuilder.currentElement = text;\n          }\n\n          return;\n        }\n\n        if (tagStart > start) {\n          appendText(tagStart);\n        }\n\n        switch (source.charAt(tagStart + 1)) {\n          case '/':\n            var end = source.indexOf('>', tagStart + 3);\n            var tagName = source.substring(tagStart + 2, end);\n            var config = parseStack.pop();\n\n            if (end < 0) {\n              tagName = source.substring(tagStart + 2).replace(/[\\s<].*/, ''); //console.error('#@@@@@@'+tagName)\n\n              errorHandler.error(\"end tag name: \" + tagName + ' is not complete:' + config.tagName);\n              end = tagStart + 1 + tagName.length;\n            } else if (tagName.match(/\\s</)) {\n              tagName = tagName.replace(/[\\s<].*/, '');\n              errorHandler.error(\"end tag name: \" + tagName + ' maybe not complete');\n              end = tagStart + 1 + tagName.length;\n            } //console.error(parseStack.length,parseStack)\n            //console.error(config);\n\n\n            var localNSMap = config.localNSMap;\n            var endMatch = config.tagName == tagName;\n            var endIgnoreCaseMach = endMatch || config.tagName && config.tagName.toLowerCase() == tagName.toLowerCase();\n\n            if (endIgnoreCaseMach) {\n              domBuilder.endElement(config.uri, config.localName, tagName);\n\n              if (localNSMap) {\n                for (var prefix in localNSMap) {\n                  domBuilder.endPrefixMapping(prefix);\n                }\n              }\n\n              if (!endMatch) {\n                errorHandler.fatalError(\"end tag name: \" + tagName + ' is not match the current start tagName:' + config.tagName);\n              }\n            } else {\n              parseStack.push(config);\n            }\n\n            end++;\n            break;\n          // end elment\n\n          case '?':\n            // <?...?>\n            locator && position(tagStart);\n            end = parseInstruction(source, tagStart, domBuilder);\n            break;\n\n          case '!':\n            // <!doctype,<![CDATA,<!--\n            locator && position(tagStart);\n            end = parseDCC(source, tagStart, domBuilder, errorHandler);\n            break;\n\n          default:\n            locator && position(tagStart);\n            var el = new ElementAttributes();\n            var currentNSMap = parseStack[parseStack.length - 1].currentNSMap; //elStartEnd\n\n            var end = parseElementStartPart(source, tagStart, el, currentNSMap, entityReplacer, errorHandler);\n            var len = el.length;\n\n            if (!el.closed && fixSelfClosed(source, end, el.tagName, closeMap)) {\n              el.closed = true;\n\n              if (!entityMap.nbsp) {\n                errorHandler.warning('unclosed xml attribute');\n              }\n            }\n\n            if (locator && len) {\n              var locator2 = copyLocator(locator, {}); //try{//attribute position fixed\n\n              for (var i = 0; i < len; i++) {\n                var a = el[i];\n                position(a.offset);\n                a.locator = copyLocator(locator, {});\n              } //}catch(e){console.error('@@@@@'+e)}\n\n\n              domBuilder.locator = locator2;\n\n              if (appendElement(el, domBuilder, currentNSMap)) {\n                parseStack.push(el);\n              }\n\n              domBuilder.locator = locator;\n            } else {\n              if (appendElement(el, domBuilder, currentNSMap)) {\n                parseStack.push(el);\n              }\n            }\n\n            if (el.uri === 'http://www.w3.org/1999/xhtml' && !el.closed) {\n              end = parseHtmlSpecialContent(source, end, el.tagName, entityReplacer, domBuilder);\n            } else {\n              end++;\n            }\n\n        }\n      } catch (e) {\n        errorHandler.error('element parse error: ' + e); //errorHandler.error('element parse error: '+e);\n\n        end = -1; //throw e;\n      }\n\n      if (end > start) {\n        start = end;\n      } else {\n        //TODO: 这里有可能sax回退，有位置错误风险\n        appendText(Math.max(tagStart, start) + 1);\n      }\n    }\n  }\n\n  function copyLocator(f, t) {\n    t.lineNumber = f.lineNumber;\n    t.columnNumber = f.columnNumber;\n    return t;\n  }\n  /**\n   * @see #appendElement(source,elStartEnd,el,selfClosed,entityReplacer,domBuilder,parseStack);\n   * @return end of the elementStartPart(end of elementEndPart for selfClosed el)\n   */\n\n\n  function parseElementStartPart(source, start, el, currentNSMap, entityReplacer, errorHandler) {\n    var attrName;\n    var value;\n    var p = ++start;\n    var s = S_TAG; //status\n\n    while (true) {\n      var c = source.charAt(p);\n\n      switch (c) {\n        case '=':\n          if (s === S_ATTR) {\n            //attrName\n            attrName = source.slice(start, p);\n            s = S_EQ;\n          } else if (s === S_ATTR_SPACE) {\n            s = S_EQ;\n          } else {\n            //fatalError: equal must after attrName or space after attrName\n            throw new Error('attribute equal must after attrName');\n          }\n\n          break;\n\n        case '\\'':\n        case '\"':\n          if (s === S_EQ || s === S_ATTR //|| s == S_ATTR_SPACE\n          ) {\n              //equal\n              if (s === S_ATTR) {\n                errorHandler.warning('attribute value must after \"=\"');\n                attrName = source.slice(start, p);\n              }\n\n              start = p + 1;\n              p = source.indexOf(c, start);\n\n              if (p > 0) {\n                value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer);\n                el.add(attrName, value, start - 1);\n                s = S_ATTR_END;\n              } else {\n                //fatalError: no end quot match\n                throw new Error('attribute value no end \\'' + c + '\\' match');\n              }\n            } else if (s == S_ATTR_NOQUOT_VALUE) {\n            value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer); //console.log(attrName,value,start,p)\n\n            el.add(attrName, value, start); //console.dir(el)\n\n            errorHandler.warning('attribute \"' + attrName + '\" missed start quot(' + c + ')!!');\n            start = p + 1;\n            s = S_ATTR_END;\n          } else {\n            //fatalError: no equal before\n            throw new Error('attribute value must after \"=\"');\n          }\n\n          break;\n\n        case '/':\n          switch (s) {\n            case S_TAG:\n              el.setTagName(source.slice(start, p));\n\n            case S_ATTR_END:\n            case S_TAG_SPACE:\n            case S_TAG_CLOSE:\n              s = S_TAG_CLOSE;\n              el.closed = true;\n\n            case S_ATTR_NOQUOT_VALUE:\n            case S_ATTR:\n            case S_ATTR_SPACE:\n              break;\n            //case S_EQ:\n\n            default:\n              throw new Error(\"attribute invalid close char('/')\");\n          }\n\n          break;\n\n        case '':\n          //end document\n          //throw new Error('unexpected end of input')\n          errorHandler.error('unexpected end of input');\n\n          if (s == S_TAG) {\n            el.setTagName(source.slice(start, p));\n          }\n\n          return p;\n\n        case '>':\n          switch (s) {\n            case S_TAG:\n              el.setTagName(source.slice(start, p));\n\n            case S_ATTR_END:\n            case S_TAG_SPACE:\n            case S_TAG_CLOSE:\n              break;\n            //normal\n\n            case S_ATTR_NOQUOT_VALUE: //Compatible state\n\n            case S_ATTR:\n              value = source.slice(start, p);\n\n              if (value.slice(-1) === '/') {\n                el.closed = true;\n                value = value.slice(0, -1);\n              }\n\n            case S_ATTR_SPACE:\n              if (s === S_ATTR_SPACE) {\n                value = attrName;\n              }\n\n              if (s == S_ATTR_NOQUOT_VALUE) {\n                errorHandler.warning('attribute \"' + value + '\" missed quot(\")!!');\n                el.add(attrName, value.replace(/&#?\\w+;/g, entityReplacer), start);\n              } else {\n                if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !value.match(/^(?:disabled|checked|selected)$/i)) {\n                  errorHandler.warning('attribute \"' + value + '\" missed value!! \"' + value + '\" instead!!');\n                }\n\n                el.add(value, value, start);\n              }\n\n              break;\n\n            case S_EQ:\n              throw new Error('attribute value missed!!');\n          } //\t\t\tconsole.log(tagName,tagNamePattern,tagNamePattern.test(tagName))\n\n\n          return p;\n\n        /*xml space '\\x20' | #x9 | #xD | #xA; */\n\n        case \"\\x80\":\n          c = ' ';\n\n        default:\n          if (c <= ' ') {\n            //space\n            switch (s) {\n              case S_TAG:\n                el.setTagName(source.slice(start, p)); //tagName\n\n                s = S_TAG_SPACE;\n                break;\n\n              case S_ATTR:\n                attrName = source.slice(start, p);\n                s = S_ATTR_SPACE;\n                break;\n\n              case S_ATTR_NOQUOT_VALUE:\n                var value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer);\n                errorHandler.warning('attribute \"' + value + '\" missed quot(\")!!');\n                el.add(attrName, value, start);\n\n              case S_ATTR_END:\n                s = S_TAG_SPACE;\n                break;\n              //case S_TAG_SPACE:\n              //case S_EQ:\n              //case S_ATTR_SPACE:\n              //\tvoid();break;\n              //case S_TAG_CLOSE:\n              //ignore warning\n            }\n          } else {\n            //not space\n            //S_TAG,\tS_ATTR,\tS_EQ,\tS_ATTR_NOQUOT_VALUE\n            //S_ATTR_SPACE,\tS_ATTR_END,\tS_TAG_SPACE, S_TAG_CLOSE\n            switch (s) {\n              //case S_TAG:void();break;\n              //case S_ATTR:void();break;\n              //case S_ATTR_NOQUOT_VALUE:void();break;\n              case S_ATTR_SPACE:\n                var tagName = el.tagName;\n\n                if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !attrName.match(/^(?:disabled|checked|selected)$/i)) {\n                  errorHandler.warning('attribute \"' + attrName + '\" missed value!! \"' + attrName + '\" instead2!!');\n                }\n\n                el.add(attrName, attrName, start);\n                start = p;\n                s = S_ATTR;\n                break;\n\n              case S_ATTR_END:\n                errorHandler.warning('attribute space is required\"' + attrName + '\"!!');\n\n              case S_TAG_SPACE:\n                s = S_ATTR;\n                start = p;\n                break;\n\n              case S_EQ:\n                s = S_ATTR_NOQUOT_VALUE;\n                start = p;\n                break;\n\n              case S_TAG_CLOSE:\n                throw new Error(\"elements closed character '/' and '>' must be connected to\");\n            }\n          }\n\n      } //end outer switch\n      //console.log('p++',p)\n\n\n      p++;\n    }\n  }\n  /**\n   * @return true if has new namespace define\n   */\n\n\n  function appendElement(el, domBuilder, currentNSMap) {\n    var tagName = el.tagName;\n    var localNSMap = null; //var currentNSMap = parseStack[parseStack.length-1].currentNSMap;\n\n    var i = el.length;\n\n    while (i--) {\n      var a = el[i];\n      var qName = a.qName;\n      var value = a.value;\n      var nsp = qName.indexOf(':');\n\n      if (nsp > 0) {\n        var prefix = a.prefix = qName.slice(0, nsp);\n        var localName = qName.slice(nsp + 1);\n        var nsPrefix = prefix === 'xmlns' && localName;\n      } else {\n        localName = qName;\n        prefix = null;\n        nsPrefix = qName === 'xmlns' && '';\n      } //can not set prefix,because prefix !== ''\n\n\n      a.localName = localName; //prefix == null for no ns prefix attribute\n\n      if (nsPrefix !== false) {\n        //hack!!\n        if (localNSMap == null) {\n          localNSMap = {}; //console.log(currentNSMap,0)\n\n          _copy(currentNSMap, currentNSMap = {}); //console.log(currentNSMap,1)\n\n        }\n\n        currentNSMap[nsPrefix] = localNSMap[nsPrefix] = value;\n        a.uri = 'http://www.w3.org/2000/xmlns/';\n        domBuilder.startPrefixMapping(nsPrefix, value);\n      }\n    }\n\n    var i = el.length;\n\n    while (i--) {\n      a = el[i];\n      var prefix = a.prefix;\n\n      if (prefix) {\n        //no prefix attribute has no namespace\n        if (prefix === 'xml') {\n          a.uri = 'http://www.w3.org/XML/1998/namespace';\n        }\n\n        if (prefix !== 'xmlns') {\n          a.uri = currentNSMap[prefix || '']; //{console.log('###'+a.qName,domBuilder.locator.systemId+'',currentNSMap,a.uri)}\n        }\n      }\n    }\n\n    var nsp = tagName.indexOf(':');\n\n    if (nsp > 0) {\n      prefix = el.prefix = tagName.slice(0, nsp);\n      localName = el.localName = tagName.slice(nsp + 1);\n    } else {\n      prefix = null; //important!!\n\n      localName = el.localName = tagName;\n    } //no prefix element has default namespace\n\n\n    var ns = el.uri = currentNSMap[prefix || ''];\n    domBuilder.startElement(ns, localName, tagName, el); //endPrefixMapping and startPrefixMapping have not any help for dom builder\n    //localNSMap = null\n\n    if (el.closed) {\n      domBuilder.endElement(ns, localName, tagName);\n\n      if (localNSMap) {\n        for (prefix in localNSMap) {\n          domBuilder.endPrefixMapping(prefix);\n        }\n      }\n    } else {\n      el.currentNSMap = currentNSMap;\n      el.localNSMap = localNSMap; //parseStack.push(el);\n\n      return true;\n    }\n  }\n\n  function parseHtmlSpecialContent(source, elStartEnd, tagName, entityReplacer, domBuilder) {\n    if (/^(?:script|textarea)$/i.test(tagName)) {\n      var elEndStart = source.indexOf('</' + tagName + '>', elStartEnd);\n      var text = source.substring(elStartEnd + 1, elEndStart);\n\n      if (/[&<]/.test(text)) {\n        if (/^script$/i.test(tagName)) {\n          //if(!/\\]\\]>/.test(text)){\n          //lexHandler.startCDATA();\n          domBuilder.characters(text, 0, text.length); //lexHandler.endCDATA();\n\n          return elEndStart; //}\n        } //}else{//text area\n\n\n        text = text.replace(/&#?\\w+;/g, entityReplacer);\n        domBuilder.characters(text, 0, text.length);\n        return elEndStart; //}\n      }\n    }\n\n    return elStartEnd + 1;\n  }\n\n  function fixSelfClosed(source, elStartEnd, tagName, closeMap) {\n    //if(tagName in closeMap){\n    var pos = closeMap[tagName];\n\n    if (pos == null) {\n      //console.log(tagName)\n      pos = source.lastIndexOf('</' + tagName + '>');\n\n      if (pos < elStartEnd) {\n        //忘记闭合\n        pos = source.lastIndexOf('</' + tagName);\n      }\n\n      closeMap[tagName] = pos;\n    }\n\n    return pos < elStartEnd; //}\n  }\n\n  function _copy(source, target) {\n    for (var n in source) {\n      target[n] = source[n];\n    }\n  }\n\n  function parseDCC(source, start, domBuilder, errorHandler) {\n    //sure start with '<!'\n    var next = source.charAt(start + 2);\n\n    switch (next) {\n      case '-':\n        if (source.charAt(start + 3) === '-') {\n          var end = source.indexOf('-->', start + 4); //append comment source.substring(4,end)//<!--\n\n          if (end > start) {\n            domBuilder.comment(source, start + 4, end - start - 4);\n            return end + 3;\n          } else {\n            errorHandler.error(\"Unclosed comment\");\n            return -1;\n          }\n        } else {\n          //error\n          return -1;\n        }\n\n      default:\n        if (source.substr(start + 3, 6) == 'CDATA[') {\n          var end = source.indexOf(']]>', start + 9);\n          domBuilder.startCDATA();\n          domBuilder.characters(source, start + 9, end - start - 9);\n          domBuilder.endCDATA();\n          return end + 3;\n        } //<!DOCTYPE\n        //startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId)\n\n\n        var matchs = split(source, start);\n        var len = matchs.length;\n\n        if (len > 1 && /!doctype/i.test(matchs[0][0])) {\n          var name = matchs[1][0];\n          var pubid = len > 3 && /^public$/i.test(matchs[2][0]) && matchs[3][0];\n          var sysid = len > 4 && matchs[4][0];\n          var lastMatch = matchs[len - 1];\n          domBuilder.startDTD(name, pubid && pubid.replace(/^(['\"])(.*?)\\1$/, '$2'), sysid && sysid.replace(/^(['\"])(.*?)\\1$/, '$2'));\n          domBuilder.endDTD();\n          return lastMatch.index + lastMatch[0].length;\n        }\n\n    }\n\n    return -1;\n  }\n\n  function parseInstruction(source, start, domBuilder) {\n    var end = source.indexOf('?>', start);\n\n    if (end) {\n      var match = source.substring(start, end).match(/^<\\?(\\S*)\\s*([\\s\\S]*?)\\s*$/);\n\n      if (match) {\n        var len = match[0].length;\n        domBuilder.processingInstruction(match[1], match[2]);\n        return end + 2;\n      } else {\n        //error\n        return -1;\n      }\n    }\n\n    return -1;\n  }\n  /**\n   * @param source\n   */\n\n\n  function ElementAttributes(source) {}\n\n  ElementAttributes.prototype = {\n    setTagName: function setTagName(tagName) {\n      if (!tagNamePattern.test(tagName)) {\n        throw new Error('invalid tagName:' + tagName);\n      }\n\n      this.tagName = tagName;\n    },\n    add: function add(qName, value, offset) {\n      if (!tagNamePattern.test(qName)) {\n        throw new Error('invalid attribute:' + qName);\n      }\n\n      this[this.length++] = {\n        qName: qName,\n        value: value,\n        offset: offset\n      };\n    },\n    length: 0,\n    getLocalName: function getLocalName(i) {\n      return this[i].localName;\n    },\n    getLocator: function getLocator(i) {\n      return this[i].locator;\n    },\n    getQName: function getQName(i) {\n      return this[i].qName;\n    },\n    getURI: function getURI(i) {\n      return this[i].uri;\n    },\n    getValue: function getValue(i) {\n      return this[i].value;\n    } //\t,getIndex:function(uri, localName)){\n    //\t\tif(localName){\n    //\n    //\t\t}else{\n    //\t\t\tvar qName = uri\n    //\t\t}\n    //\t},\n    //\tgetValue:function(){return this.getValue(this.getIndex.apply(this,arguments))},\n    //\tgetType:function(uri,localName){}\n    //\tgetType:function(i){},\n\n  };\n\n  function _set_proto_(thiz, parent) {\n    thiz.__proto__ = parent;\n    return thiz;\n  }\n\n  if (!(_set_proto_({}, _set_proto_.prototype) instanceof _set_proto_)) {\n    _set_proto_ = function _set_proto_(thiz, parent) {\n      function p() {}\n      p.prototype = parent;\n      p = new p();\n\n      for (parent in thiz) {\n        p[parent] = thiz[parent];\n      }\n\n      return p;\n    };\n  }\n\n  function split(source, start) {\n    var match;\n    var buf = [];\n    var reg = /'[^']+'|\"[^\"]+\"|[^\\s<>\\/=]+=?|(\\/?\\s*>|<)/g;\n    reg.lastIndex = start;\n    reg.exec(source); //skip <\n\n    while (match = reg.exec(source)) {\n      buf.push(match);\n      if (match[1]) return buf;\n    }\n  }\n\n  var XMLReader_1 = XMLReader;\n  var sax = {\n    XMLReader: XMLReader_1\n  };\n\n  /*\n   * DOM Level 2\n   * Object DOMException\n   * @see http://www.w3.org/TR/REC-DOM-Level-1/ecma-script-language-binding.html\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html\n   */\n  function copy(src, dest) {\n    for (var p in src) {\n      dest[p] = src[p];\n    }\n  }\n  /**\n  ^\\w+\\.prototype\\.([_\\w]+)\\s*=\\s*((?:.*\\{\\s*?[\\r\\n][\\s\\S]*?^})|\\S.*?(?=[;\\r\\n]));?\n  ^\\w+\\.prototype\\.([_\\w]+)\\s*=\\s*(\\S.*?(?=[;\\r\\n]));?\n   */\n\n\n  function _extends$1(Class, Super) {\n    var pt = Class.prototype;\n\n    if (Object.create) {\n      var ppt = Object.create(Super.prototype);\n      pt.__proto__ = ppt;\n    }\n\n    if (!(pt instanceof Super)) {\n      var t = function t() {};\n      t.prototype = Super.prototype;\n      t = new t();\n      copy(pt, t);\n      Class.prototype = pt = t;\n    }\n\n    if (pt.constructor != Class) {\n      if (typeof Class != 'function') {\n        console.error(\"unknow Class:\" + Class);\n      }\n\n      pt.constructor = Class;\n    }\n  }\n\n  var htmlns = 'http://www.w3.org/1999/xhtml'; // Node Types\n\n  var NodeType = {};\n  var ELEMENT_NODE = NodeType.ELEMENT_NODE = 1;\n  var ATTRIBUTE_NODE = NodeType.ATTRIBUTE_NODE = 2;\n  var TEXT_NODE = NodeType.TEXT_NODE = 3;\n  var CDATA_SECTION_NODE = NodeType.CDATA_SECTION_NODE = 4;\n  var ENTITY_REFERENCE_NODE = NodeType.ENTITY_REFERENCE_NODE = 5;\n  var ENTITY_NODE = NodeType.ENTITY_NODE = 6;\n  var PROCESSING_INSTRUCTION_NODE = NodeType.PROCESSING_INSTRUCTION_NODE = 7;\n  var COMMENT_NODE = NodeType.COMMENT_NODE = 8;\n  var DOCUMENT_NODE = NodeType.DOCUMENT_NODE = 9;\n  var DOCUMENT_TYPE_NODE = NodeType.DOCUMENT_TYPE_NODE = 10;\n  var DOCUMENT_FRAGMENT_NODE = NodeType.DOCUMENT_FRAGMENT_NODE = 11;\n  var NOTATION_NODE = NodeType.NOTATION_NODE = 12; // ExceptionCode\n\n  var ExceptionCode = {};\n  var ExceptionMessage = {};\n  var INDEX_SIZE_ERR = ExceptionCode.INDEX_SIZE_ERR = (ExceptionMessage[1] = \"Index size error\", 1);\n  var DOMSTRING_SIZE_ERR = ExceptionCode.DOMSTRING_SIZE_ERR = (ExceptionMessage[2] = \"DOMString size error\", 2);\n  var HIERARCHY_REQUEST_ERR = ExceptionCode.HIERARCHY_REQUEST_ERR = (ExceptionMessage[3] = \"Hierarchy request error\", 3);\n  var WRONG_DOCUMENT_ERR = ExceptionCode.WRONG_DOCUMENT_ERR = (ExceptionMessage[4] = \"Wrong document\", 4);\n  var INVALID_CHARACTER_ERR = ExceptionCode.INVALID_CHARACTER_ERR = (ExceptionMessage[5] = \"Invalid character\", 5);\n  var NO_DATA_ALLOWED_ERR = ExceptionCode.NO_DATA_ALLOWED_ERR = (ExceptionMessage[6] = \"No data allowed\", 6);\n  var NO_MODIFICATION_ALLOWED_ERR = ExceptionCode.NO_MODIFICATION_ALLOWED_ERR = (ExceptionMessage[7] = \"No modification allowed\", 7);\n  var NOT_FOUND_ERR = ExceptionCode.NOT_FOUND_ERR = (ExceptionMessage[8] = \"Not found\", 8);\n  var NOT_SUPPORTED_ERR = ExceptionCode.NOT_SUPPORTED_ERR = (ExceptionMessage[9] = \"Not supported\", 9);\n  var INUSE_ATTRIBUTE_ERR = ExceptionCode.INUSE_ATTRIBUTE_ERR = (ExceptionMessage[10] = \"Attribute in use\", 10); //level2\n\n  var INVALID_STATE_ERR = ExceptionCode.INVALID_STATE_ERR = (ExceptionMessage[11] = \"Invalid state\", 11);\n  var SYNTAX_ERR = ExceptionCode.SYNTAX_ERR = (ExceptionMessage[12] = \"Syntax error\", 12);\n  var INVALID_MODIFICATION_ERR = ExceptionCode.INVALID_MODIFICATION_ERR = (ExceptionMessage[13] = \"Invalid modification\", 13);\n  var NAMESPACE_ERR = ExceptionCode.NAMESPACE_ERR = (ExceptionMessage[14] = \"Invalid namespace\", 14);\n  var INVALID_ACCESS_ERR = ExceptionCode.INVALID_ACCESS_ERR = (ExceptionMessage[15] = \"Invalid access\", 15);\n\n  function DOMException(code, message) {\n    if (message instanceof Error) {\n      var error = message;\n    } else {\n      error = this;\n      Error.call(this, ExceptionMessage[code]);\n      this.message = ExceptionMessage[code];\n      if (Error.captureStackTrace) Error.captureStackTrace(this, DOMException);\n    }\n\n    error.code = code;\n    if (message) this.message = this.message + \": \" + message;\n    return error;\n  }\n  DOMException.prototype = Error.prototype;\n  copy(ExceptionCode, DOMException);\n  /**\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-536297177\n   * The NodeList interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented. NodeList objects in the DOM are live.\n   * The items in the NodeList are accessible via an integral index, starting from 0.\n   */\n\n  function NodeList() {}\n  NodeList.prototype = {\n    /**\n     * The number of nodes in the list. The range of valid child node indices is 0 to length-1 inclusive.\n     * @standard level1\n     */\n    length: 0,\n\n    /**\n     * Returns the indexth item in the collection. If index is greater than or equal to the number of nodes in the list, this returns null.\n     * @standard level1\n     * @param index  unsigned long\n     *   Index into the collection.\n     * @return Node\n     * \tThe node at the indexth position in the NodeList, or null if that is not a valid index.\n     */\n    item: function item(index) {\n      return this[index] || null;\n    },\n    toString: function toString(isHTML, nodeFilter) {\n      for (var buf = [], i = 0; i < this.length; i++) {\n        serializeToString(this[i], buf, isHTML, nodeFilter);\n      }\n\n      return buf.join('');\n    }\n  };\n\n  function LiveNodeList(node, refresh) {\n    this._node = node;\n    this._refresh = refresh;\n\n    _updateLiveList(this);\n  }\n\n  function _updateLiveList(list) {\n    var inc = list._node._inc || list._node.ownerDocument._inc;\n\n    if (list._inc != inc) {\n      var ls = list._refresh(list._node); //console.log(ls.length)\n\n\n      __set__(list, 'length', ls.length);\n\n      copy(ls, list);\n      list._inc = inc;\n    }\n  }\n\n  LiveNodeList.prototype.item = function (i) {\n    _updateLiveList(this);\n\n    return this[i];\n  };\n\n  _extends$1(LiveNodeList, NodeList);\n  /**\n   *\n   * Objects implementing the NamedNodeMap interface are used to represent collections of nodes that can be accessed by name. Note that NamedNodeMap does not inherit from NodeList; NamedNodeMaps are not maintained in any particular order. Objects contained in an object implementing NamedNodeMap may also be accessed by an ordinal index, but this is simply to allow convenient enumeration of the contents of a NamedNodeMap, and does not imply that the DOM specifies an order to these Nodes.\n   * NamedNodeMap objects in the DOM are live.\n   * used for attributes or DocumentType entities\n   */\n\n\n  function NamedNodeMap() {}\n\n  function _findNodeIndex(list, node) {\n    var i = list.length;\n\n    while (i--) {\n      if (list[i] === node) {\n        return i;\n      }\n    }\n  }\n\n  function _addNamedNode(el, list, newAttr, oldAttr) {\n    if (oldAttr) {\n      list[_findNodeIndex(list, oldAttr)] = newAttr;\n    } else {\n      list[list.length++] = newAttr;\n    }\n\n    if (el) {\n      newAttr.ownerElement = el;\n      var doc = el.ownerDocument;\n\n      if (doc) {\n        oldAttr && _onRemoveAttribute(doc, el, oldAttr);\n\n        _onAddAttribute(doc, el, newAttr);\n      }\n    }\n  }\n\n  function _removeNamedNode(el, list, attr) {\n    //console.log('remove attr:'+attr)\n    var i = _findNodeIndex(list, attr);\n\n    if (i >= 0) {\n      var lastIndex = list.length - 1;\n\n      while (i < lastIndex) {\n        list[i] = list[++i];\n      }\n\n      list.length = lastIndex;\n\n      if (el) {\n        var doc = el.ownerDocument;\n\n        if (doc) {\n          _onRemoveAttribute(doc, el, attr);\n\n          attr.ownerElement = null;\n        }\n      }\n    } else {\n      throw DOMException(NOT_FOUND_ERR, new Error(el.tagName + '@' + attr));\n    }\n  }\n\n  NamedNodeMap.prototype = {\n    length: 0,\n    item: NodeList.prototype.item,\n    getNamedItem: function getNamedItem(key) {\n      //\t\tif(key.indexOf(':')>0 || key == 'xmlns'){\n      //\t\t\treturn null;\n      //\t\t}\n      //console.log()\n      var i = this.length;\n\n      while (i--) {\n        var attr = this[i]; //console.log(attr.nodeName,key)\n\n        if (attr.nodeName == key) {\n          return attr;\n        }\n      }\n    },\n    setNamedItem: function setNamedItem(attr) {\n      var el = attr.ownerElement;\n\n      if (el && el != this._ownerElement) {\n        throw new DOMException(INUSE_ATTRIBUTE_ERR);\n      }\n\n      var oldAttr = this.getNamedItem(attr.nodeName);\n\n      _addNamedNode(this._ownerElement, this, attr, oldAttr);\n\n      return oldAttr;\n    },\n\n    /* returns Node */\n    setNamedItemNS: function setNamedItemNS(attr) {\n      // raises: WRONG_DOCUMENT_ERR,NO_MODIFICATION_ALLOWED_ERR,INUSE_ATTRIBUTE_ERR\n      var el = attr.ownerElement,\n          oldAttr;\n\n      if (el && el != this._ownerElement) {\n        throw new DOMException(INUSE_ATTRIBUTE_ERR);\n      }\n\n      oldAttr = this.getNamedItemNS(attr.namespaceURI, attr.localName);\n\n      _addNamedNode(this._ownerElement, this, attr, oldAttr);\n\n      return oldAttr;\n    },\n\n    /* returns Node */\n    removeNamedItem: function removeNamedItem(key) {\n      var attr = this.getNamedItem(key);\n\n      _removeNamedNode(this._ownerElement, this, attr);\n\n      return attr;\n    },\n    // raises: NOT_FOUND_ERR,NO_MODIFICATION_ALLOWED_ERR\n    //for level2\n    removeNamedItemNS: function removeNamedItemNS(namespaceURI, localName) {\n      var attr = this.getNamedItemNS(namespaceURI, localName);\n\n      _removeNamedNode(this._ownerElement, this, attr);\n\n      return attr;\n    },\n    getNamedItemNS: function getNamedItemNS(namespaceURI, localName) {\n      var i = this.length;\n\n      while (i--) {\n        var node = this[i];\n\n        if (node.localName == localName && node.namespaceURI == namespaceURI) {\n          return node;\n        }\n      }\n\n      return null;\n    }\n  };\n  /**\n   * @see http://www.w3.org/TR/REC-DOM-Level-1/level-one-core.html#ID-102161490\n   */\n\n  function DOMImplementation(\n  /* Object */\n  features) {\n    this._features = {};\n\n    if (features) {\n      for (var feature in features) {\n        this._features = features[feature];\n      }\n    }\n  }\n  DOMImplementation.prototype = {\n    hasFeature: function hasFeature(\n    /* string */\n    feature,\n    /* string */\n    version) {\n      var versions = this._features[feature.toLowerCase()];\n\n      if (versions && (!version || version in versions)) {\n        return true;\n      } else {\n        return false;\n      }\n    },\n    // Introduced in DOM Level 2:\n    createDocument: function createDocument(namespaceURI, qualifiedName, doctype) {\n      // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR,WRONG_DOCUMENT_ERR\n      var doc = new Document();\n      doc.implementation = this;\n      doc.childNodes = new NodeList();\n      doc.doctype = doctype;\n\n      if (doctype) {\n        doc.appendChild(doctype);\n      }\n\n      if (qualifiedName) {\n        var root = doc.createElementNS(namespaceURI, qualifiedName);\n        doc.appendChild(root);\n      }\n\n      return doc;\n    },\n    // Introduced in DOM Level 2:\n    createDocumentType: function createDocumentType(qualifiedName, publicId, systemId) {\n      // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR\n      var node = new DocumentType();\n      node.name = qualifiedName;\n      node.nodeName = qualifiedName;\n      node.publicId = publicId;\n      node.systemId = systemId; // Introduced in DOM Level 2:\n      //readonly attribute DOMString        internalSubset;\n      //TODO:..\n      //  readonly attribute NamedNodeMap     entities;\n      //  readonly attribute NamedNodeMap     notations;\n\n      return node;\n    }\n  };\n  /**\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-1950641247\n   */\n\n  function Node() {}\n  Node.prototype = {\n    firstChild: null,\n    lastChild: null,\n    previousSibling: null,\n    nextSibling: null,\n    attributes: null,\n    parentNode: null,\n    childNodes: null,\n    ownerDocument: null,\n    nodeValue: null,\n    namespaceURI: null,\n    prefix: null,\n    localName: null,\n    // Modified in DOM Level 2:\n    insertBefore: function insertBefore(newChild, refChild) {\n      //raises\n      return _insertBefore(this, newChild, refChild);\n    },\n    replaceChild: function replaceChild(newChild, oldChild) {\n      //raises\n      this.insertBefore(newChild, oldChild);\n\n      if (oldChild) {\n        this.removeChild(oldChild);\n      }\n    },\n    removeChild: function removeChild(oldChild) {\n      return _removeChild(this, oldChild);\n    },\n    appendChild: function appendChild(newChild) {\n      return this.insertBefore(newChild, null);\n    },\n    hasChildNodes: function hasChildNodes() {\n      return this.firstChild != null;\n    },\n    cloneNode: function cloneNode(deep) {\n      return _cloneNode(this.ownerDocument || this, this, deep);\n    },\n    // Modified in DOM Level 2:\n    normalize: function normalize() {\n      var child = this.firstChild;\n\n      while (child) {\n        var next = child.nextSibling;\n\n        if (next && next.nodeType == TEXT_NODE && child.nodeType == TEXT_NODE) {\n          this.removeChild(next);\n          child.appendData(next.data);\n        } else {\n          child.normalize();\n          child = next;\n        }\n      }\n    },\n    // Introduced in DOM Level 2:\n    isSupported: function isSupported(feature, version) {\n      return this.ownerDocument.implementation.hasFeature(feature, version);\n    },\n    // Introduced in DOM Level 2:\n    hasAttributes: function hasAttributes() {\n      return this.attributes.length > 0;\n    },\n    lookupPrefix: function lookupPrefix(namespaceURI) {\n      var el = this;\n\n      while (el) {\n        var map = el._nsMap; //console.dir(map)\n\n        if (map) {\n          for (var n in map) {\n            if (map[n] == namespaceURI) {\n              return n;\n            }\n          }\n        }\n\n        el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;\n      }\n\n      return null;\n    },\n    // Introduced in DOM Level 3:\n    lookupNamespaceURI: function lookupNamespaceURI(prefix) {\n      var el = this;\n\n      while (el) {\n        var map = el._nsMap; //console.dir(map)\n\n        if (map) {\n          if (prefix in map) {\n            return map[prefix];\n          }\n        }\n\n        el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;\n      }\n\n      return null;\n    },\n    // Introduced in DOM Level 3:\n    isDefaultNamespace: function isDefaultNamespace(namespaceURI) {\n      var prefix = this.lookupPrefix(namespaceURI);\n      return prefix == null;\n    }\n  };\n\n  function _xmlEncoder(c) {\n    return c == '<' && '&lt;' || c == '>' && '&gt;' || c == '&' && '&amp;' || c == '\"' && '&quot;' || '&#' + c.charCodeAt() + ';';\n  }\n\n  copy(NodeType, Node);\n  copy(NodeType, Node.prototype);\n  /**\n   * @param callback return true for continue,false for break\n   * @return boolean true: break visit;\n   */\n\n  function _visitNode(node, callback) {\n    if (callback(node)) {\n      return true;\n    }\n\n    if (node = node.firstChild) {\n      do {\n        if (_visitNode(node, callback)) {\n          return true;\n        }\n      } while (node = node.nextSibling);\n    }\n  }\n\n  function Document() {}\n\n  function _onAddAttribute(doc, el, newAttr) {\n    doc && doc._inc++;\n    var ns = newAttr.namespaceURI;\n\n    if (ns == 'http://www.w3.org/2000/xmlns/') {\n      //update namespace\n      el._nsMap[newAttr.prefix ? newAttr.localName : ''] = newAttr.value;\n    }\n  }\n\n  function _onRemoveAttribute(doc, el, newAttr, remove) {\n    doc && doc._inc++;\n    var ns = newAttr.namespaceURI;\n\n    if (ns == 'http://www.w3.org/2000/xmlns/') {\n      //update namespace\n      delete el._nsMap[newAttr.prefix ? newAttr.localName : ''];\n    }\n  }\n\n  function _onUpdateChild(doc, el, newChild) {\n    if (doc && doc._inc) {\n      doc._inc++; //update childNodes\n\n      var cs = el.childNodes;\n\n      if (newChild) {\n        cs[cs.length++] = newChild;\n      } else {\n        //console.log(1)\n        var child = el.firstChild;\n        var i = 0;\n\n        while (child) {\n          cs[i++] = child;\n          child = child.nextSibling;\n        }\n\n        cs.length = i;\n      }\n    }\n  }\n  /**\n   * attributes;\n   * children;\n   *\n   * writeable properties:\n   * nodeValue,Attr:value,CharacterData:data\n   * prefix\n   */\n\n\n  function _removeChild(parentNode, child) {\n    var previous = child.previousSibling;\n    var next = child.nextSibling;\n\n    if (previous) {\n      previous.nextSibling = next;\n    } else {\n      parentNode.firstChild = next;\n    }\n\n    if (next) {\n      next.previousSibling = previous;\n    } else {\n      parentNode.lastChild = previous;\n    }\n\n    _onUpdateChild(parentNode.ownerDocument, parentNode);\n\n    return child;\n  }\n  /**\n   * preformance key(refChild == null)\n   */\n\n\n  function _insertBefore(parentNode, newChild, nextChild) {\n    var cp = newChild.parentNode;\n\n    if (cp) {\n      cp.removeChild(newChild); //remove and update\n    }\n\n    if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {\n      var newFirst = newChild.firstChild;\n\n      if (newFirst == null) {\n        return newChild;\n      }\n\n      var newLast = newChild.lastChild;\n    } else {\n      newFirst = newLast = newChild;\n    }\n\n    var pre = nextChild ? nextChild.previousSibling : parentNode.lastChild;\n    newFirst.previousSibling = pre;\n    newLast.nextSibling = nextChild;\n\n    if (pre) {\n      pre.nextSibling = newFirst;\n    } else {\n      parentNode.firstChild = newFirst;\n    }\n\n    if (nextChild == null) {\n      parentNode.lastChild = newLast;\n    } else {\n      nextChild.previousSibling = newLast;\n    }\n\n    do {\n      newFirst.parentNode = parentNode;\n    } while (newFirst !== newLast && (newFirst = newFirst.nextSibling));\n\n    _onUpdateChild(parentNode.ownerDocument || parentNode, parentNode); //console.log(parentNode.lastChild.nextSibling == null)\n\n\n    if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {\n      newChild.firstChild = newChild.lastChild = null;\n    }\n\n    return newChild;\n  }\n\n  function _appendSingleChild(parentNode, newChild) {\n    var cp = newChild.parentNode;\n\n    if (cp) {\n      var pre = parentNode.lastChild;\n      cp.removeChild(newChild); //remove and update\n\n      var pre = parentNode.lastChild;\n    }\n\n    var pre = parentNode.lastChild;\n    newChild.parentNode = parentNode;\n    newChild.previousSibling = pre;\n    newChild.nextSibling = null;\n\n    if (pre) {\n      pre.nextSibling = newChild;\n    } else {\n      parentNode.firstChild = newChild;\n    }\n\n    parentNode.lastChild = newChild;\n\n    _onUpdateChild(parentNode.ownerDocument, parentNode, newChild);\n\n    return newChild; //console.log(\"__aa\",parentNode.lastChild.nextSibling == null)\n  }\n\n  Document.prototype = {\n    //implementation : null,\n    nodeName: '#document',\n    nodeType: DOCUMENT_NODE,\n    doctype: null,\n    documentElement: null,\n    _inc: 1,\n    insertBefore: function insertBefore(newChild, refChild) {\n      //raises\n      if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {\n        var child = newChild.firstChild;\n\n        while (child) {\n          var next = child.nextSibling;\n          this.insertBefore(child, refChild);\n          child = next;\n        }\n\n        return newChild;\n      }\n\n      if (this.documentElement == null && newChild.nodeType == ELEMENT_NODE) {\n        this.documentElement = newChild;\n      }\n\n      return _insertBefore(this, newChild, refChild), newChild.ownerDocument = this, newChild;\n    },\n    removeChild: function removeChild(oldChild) {\n      if (this.documentElement == oldChild) {\n        this.documentElement = null;\n      }\n\n      return _removeChild(this, oldChild);\n    },\n    // Introduced in DOM Level 2:\n    importNode: function importNode(importedNode, deep) {\n      return _importNode(this, importedNode, deep);\n    },\n    // Introduced in DOM Level 2:\n    getElementById: function getElementById(id) {\n      var rtv = null;\n\n      _visitNode(this.documentElement, function (node) {\n        if (node.nodeType == ELEMENT_NODE) {\n          if (node.getAttribute('id') == id) {\n            rtv = node;\n            return true;\n          }\n        }\n      });\n\n      return rtv;\n    },\n    //document factory method:\n    createElement: function createElement(tagName) {\n      var node = new Element();\n      node.ownerDocument = this;\n      node.nodeName = tagName;\n      node.tagName = tagName;\n      node.childNodes = new NodeList();\n      var attrs = node.attributes = new NamedNodeMap();\n      attrs._ownerElement = node;\n      return node;\n    },\n    createDocumentFragment: function createDocumentFragment() {\n      var node = new DocumentFragment();\n      node.ownerDocument = this;\n      node.childNodes = new NodeList();\n      return node;\n    },\n    createTextNode: function createTextNode(data) {\n      var node = new Text();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createComment: function createComment(data) {\n      var node = new Comment();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createCDATASection: function createCDATASection(data) {\n      var node = new CDATASection();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createProcessingInstruction: function createProcessingInstruction(target, data) {\n      var node = new ProcessingInstruction();\n      node.ownerDocument = this;\n      node.tagName = node.target = target;\n      node.nodeValue = node.data = data;\n      return node;\n    },\n    createAttribute: function createAttribute(name) {\n      var node = new Attr();\n      node.ownerDocument = this;\n      node.name = name;\n      node.nodeName = name;\n      node.localName = name;\n      node.specified = true;\n      return node;\n    },\n    createEntityReference: function createEntityReference(name) {\n      var node = new EntityReference();\n      node.ownerDocument = this;\n      node.nodeName = name;\n      return node;\n    },\n    // Introduced in DOM Level 2:\n    createElementNS: function createElementNS(namespaceURI, qualifiedName) {\n      var node = new Element();\n      var pl = qualifiedName.split(':');\n      var attrs = node.attributes = new NamedNodeMap();\n      node.childNodes = new NodeList();\n      node.ownerDocument = this;\n      node.nodeName = qualifiedName;\n      node.tagName = qualifiedName;\n      node.namespaceURI = namespaceURI;\n\n      if (pl.length == 2) {\n        node.prefix = pl[0];\n        node.localName = pl[1];\n      } else {\n        //el.prefix = null;\n        node.localName = qualifiedName;\n      }\n\n      attrs._ownerElement = node;\n      return node;\n    },\n    // Introduced in DOM Level 2:\n    createAttributeNS: function createAttributeNS(namespaceURI, qualifiedName) {\n      var node = new Attr();\n      var pl = qualifiedName.split(':');\n      node.ownerDocument = this;\n      node.nodeName = qualifiedName;\n      node.name = qualifiedName;\n      node.namespaceURI = namespaceURI;\n      node.specified = true;\n\n      if (pl.length == 2) {\n        node.prefix = pl[0];\n        node.localName = pl[1];\n      } else {\n        //el.prefix = null;\n        node.localName = qualifiedName;\n      }\n\n      return node;\n    }\n  };\n\n  _extends$1(Document, Node);\n\n  function Element() {\n    this._nsMap = {};\n  }\n  Element.prototype = {\n    nodeType: ELEMENT_NODE,\n    hasAttribute: function hasAttribute(name) {\n      return this.getAttributeNode(name) != null;\n    },\n    getAttribute: function getAttribute(name) {\n      var attr = this.getAttributeNode(name);\n      return attr && attr.value || '';\n    },\n    getAttributeNode: function getAttributeNode(name) {\n      return this.attributes.getNamedItem(name);\n    },\n    setAttribute: function setAttribute(name, value) {\n      var attr = this.ownerDocument.createAttribute(name);\n      attr.value = attr.nodeValue = \"\" + value;\n      this.setAttributeNode(attr);\n    },\n    removeAttribute: function removeAttribute(name) {\n      var attr = this.getAttributeNode(name);\n      attr && this.removeAttributeNode(attr);\n    },\n    //four real opeartion method\n    appendChild: function appendChild(newChild) {\n      if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {\n        return this.insertBefore(newChild, null);\n      } else {\n        return _appendSingleChild(this, newChild);\n      }\n    },\n    setAttributeNode: function setAttributeNode(newAttr) {\n      return this.attributes.setNamedItem(newAttr);\n    },\n    setAttributeNodeNS: function setAttributeNodeNS(newAttr) {\n      return this.attributes.setNamedItemNS(newAttr);\n    },\n    removeAttributeNode: function removeAttributeNode(oldAttr) {\n      //console.log(this == oldAttr.ownerElement)\n      return this.attributes.removeNamedItem(oldAttr.nodeName);\n    },\n    //get real attribute name,and remove it by removeAttributeNode\n    removeAttributeNS: function removeAttributeNS(namespaceURI, localName) {\n      var old = this.getAttributeNodeNS(namespaceURI, localName);\n      old && this.removeAttributeNode(old);\n    },\n    hasAttributeNS: function hasAttributeNS(namespaceURI, localName) {\n      return this.getAttributeNodeNS(namespaceURI, localName) != null;\n    },\n    getAttributeNS: function getAttributeNS(namespaceURI, localName) {\n      var attr = this.getAttributeNodeNS(namespaceURI, localName);\n      return attr && attr.value || '';\n    },\n    setAttributeNS: function setAttributeNS(namespaceURI, qualifiedName, value) {\n      var attr = this.ownerDocument.createAttributeNS(namespaceURI, qualifiedName);\n      attr.value = attr.nodeValue = \"\" + value;\n      this.setAttributeNode(attr);\n    },\n    getAttributeNodeNS: function getAttributeNodeNS(namespaceURI, localName) {\n      return this.attributes.getNamedItemNS(namespaceURI, localName);\n    },\n    getElementsByTagName: function getElementsByTagName(tagName) {\n      return new LiveNodeList(this, function (base) {\n        var ls = [];\n\n        _visitNode(base, function (node) {\n          if (node !== base && node.nodeType == ELEMENT_NODE && (tagName === '*' || node.tagName == tagName)) {\n            ls.push(node);\n          }\n        });\n\n        return ls;\n      });\n    },\n    getElementsByTagNameNS: function getElementsByTagNameNS(namespaceURI, localName) {\n      return new LiveNodeList(this, function (base) {\n        var ls = [];\n\n        _visitNode(base, function (node) {\n          if (node !== base && node.nodeType === ELEMENT_NODE && (namespaceURI === '*' || node.namespaceURI === namespaceURI) && (localName === '*' || node.localName == localName)) {\n            ls.push(node);\n          }\n        });\n\n        return ls;\n      });\n    }\n  };\n  Document.prototype.getElementsByTagName = Element.prototype.getElementsByTagName;\n  Document.prototype.getElementsByTagNameNS = Element.prototype.getElementsByTagNameNS;\n\n  _extends$1(Element, Node);\n\n  function Attr() {}\n  Attr.prototype.nodeType = ATTRIBUTE_NODE;\n\n  _extends$1(Attr, Node);\n\n  function CharacterData() {}\n  CharacterData.prototype = {\n    data: '',\n    substringData: function substringData(offset, count) {\n      return this.data.substring(offset, offset + count);\n    },\n    appendData: function appendData(text) {\n      text = this.data + text;\n      this.nodeValue = this.data = text;\n      this.length = text.length;\n    },\n    insertData: function insertData(offset, text) {\n      this.replaceData(offset, 0, text);\n    },\n    appendChild: function appendChild(newChild) {\n      throw new Error(ExceptionMessage[HIERARCHY_REQUEST_ERR]);\n    },\n    deleteData: function deleteData(offset, count) {\n      this.replaceData(offset, count, \"\");\n    },\n    replaceData: function replaceData(offset, count, text) {\n      var start = this.data.substring(0, offset);\n      var end = this.data.substring(offset + count);\n      text = start + text + end;\n      this.nodeValue = this.data = text;\n      this.length = text.length;\n    }\n  };\n\n  _extends$1(CharacterData, Node);\n\n  function Text() {}\n  Text.prototype = {\n    nodeName: \"#text\",\n    nodeType: TEXT_NODE,\n    splitText: function splitText(offset) {\n      var text = this.data;\n      var newText = text.substring(offset);\n      text = text.substring(0, offset);\n      this.data = this.nodeValue = text;\n      this.length = text.length;\n      var newNode = this.ownerDocument.createTextNode(newText);\n\n      if (this.parentNode) {\n        this.parentNode.insertBefore(newNode, this.nextSibling);\n      }\n\n      return newNode;\n    }\n  };\n\n  _extends$1(Text, CharacterData);\n\n  function Comment() {}\n  Comment.prototype = {\n    nodeName: \"#comment\",\n    nodeType: COMMENT_NODE\n  };\n\n  _extends$1(Comment, CharacterData);\n\n  function CDATASection() {}\n  CDATASection.prototype = {\n    nodeName: \"#cdata-section\",\n    nodeType: CDATA_SECTION_NODE\n  };\n\n  _extends$1(CDATASection, CharacterData);\n\n  function DocumentType() {}\n  DocumentType.prototype.nodeType = DOCUMENT_TYPE_NODE;\n\n  _extends$1(DocumentType, Node);\n\n  function Notation() {}\n  Notation.prototype.nodeType = NOTATION_NODE;\n\n  _extends$1(Notation, Node);\n\n  function Entity() {}\n  Entity.prototype.nodeType = ENTITY_NODE;\n\n  _extends$1(Entity, Node);\n\n  function EntityReference() {}\n  EntityReference.prototype.nodeType = ENTITY_REFERENCE_NODE;\n\n  _extends$1(EntityReference, Node);\n\n  function DocumentFragment() {}\n  DocumentFragment.prototype.nodeName = \"#document-fragment\";\n  DocumentFragment.prototype.nodeType = DOCUMENT_FRAGMENT_NODE;\n\n  _extends$1(DocumentFragment, Node);\n\n  function ProcessingInstruction() {}\n\n  ProcessingInstruction.prototype.nodeType = PROCESSING_INSTRUCTION_NODE;\n\n  _extends$1(ProcessingInstruction, Node);\n\n  function XMLSerializer() {}\n\n  XMLSerializer.prototype.serializeToString = function (node, isHtml, nodeFilter) {\n    return nodeSerializeToString.call(node, isHtml, nodeFilter);\n  };\n\n  Node.prototype.toString = nodeSerializeToString;\n\n  function nodeSerializeToString(isHtml, nodeFilter) {\n    var buf = [];\n    var refNode = this.nodeType == 9 ? this.documentElement : this;\n    var prefix = refNode.prefix;\n    var uri = refNode.namespaceURI;\n\n    if (uri && prefix == null) {\n      //console.log(prefix)\n      var prefix = refNode.lookupPrefix(uri);\n\n      if (prefix == null) {\n        //isHTML = true;\n        var visibleNamespaces = [{\n          namespace: uri,\n          prefix: null\n        } //{namespace:uri,prefix:''}\n        ];\n      }\n    }\n\n    serializeToString(this, buf, isHtml, nodeFilter, visibleNamespaces); //console.log('###',this.nodeType,uri,prefix,buf.join(''))\n\n    return buf.join('');\n  }\n\n  function needNamespaceDefine(node, isHTML, visibleNamespaces) {\n    var prefix = node.prefix || '';\n    var uri = node.namespaceURI;\n\n    if (!prefix && !uri) {\n      return false;\n    }\n\n    if (prefix === \"xml\" && uri === \"http://www.w3.org/XML/1998/namespace\" || uri == 'http://www.w3.org/2000/xmlns/') {\n      return false;\n    }\n\n    var i = visibleNamespaces.length; //console.log('@@@@',node.tagName,prefix,uri,visibleNamespaces)\n\n    while (i--) {\n      var ns = visibleNamespaces[i]; // get namespace prefix\n      //console.log(node.nodeType,node.tagName,ns.prefix,prefix)\n\n      if (ns.prefix == prefix) {\n        return ns.namespace != uri;\n      }\n    } //console.log(isHTML,uri,prefix=='')\n    //if(isHTML && prefix ==null && uri == 'http://www.w3.org/1999/xhtml'){\n    //\treturn false;\n    //}\n    //node.flag = '11111'\n    //console.error(3,true,node.flag,node.prefix,node.namespaceURI)\n\n\n    return true;\n  }\n\n  function serializeToString(node, buf, isHTML, nodeFilter, visibleNamespaces) {\n    if (nodeFilter) {\n      node = nodeFilter(node);\n\n      if (node) {\n        if (typeof node == 'string') {\n          buf.push(node);\n          return;\n        }\n      } else {\n        return;\n      } //buf.sort.apply(attrs, attributeSorter);\n\n    }\n\n    switch (node.nodeType) {\n      case ELEMENT_NODE:\n        if (!visibleNamespaces) visibleNamespaces = [];\n        var startVisibleNamespaces = visibleNamespaces.length;\n        var attrs = node.attributes;\n        var len = attrs.length;\n        var child = node.firstChild;\n        var nodeName = node.tagName;\n        isHTML = htmlns === node.namespaceURI || isHTML;\n        buf.push('<', nodeName);\n\n        for (var i = 0; i < len; i++) {\n          // add namespaces for attributes\n          var attr = attrs.item(i);\n\n          if (attr.prefix == 'xmlns') {\n            visibleNamespaces.push({\n              prefix: attr.localName,\n              namespace: attr.value\n            });\n          } else if (attr.nodeName == 'xmlns') {\n            visibleNamespaces.push({\n              prefix: '',\n              namespace: attr.value\n            });\n          }\n        }\n\n        for (var i = 0; i < len; i++) {\n          var attr = attrs.item(i);\n\n          if (needNamespaceDefine(attr, isHTML, visibleNamespaces)) {\n            var prefix = attr.prefix || '';\n            var uri = attr.namespaceURI;\n            var ns = prefix ? ' xmlns:' + prefix : \" xmlns\";\n            buf.push(ns, '=\"', uri, '\"');\n            visibleNamespaces.push({\n              prefix: prefix,\n              namespace: uri\n            });\n          }\n\n          serializeToString(attr, buf, isHTML, nodeFilter, visibleNamespaces);\n        } // add namespace for current node\n\n\n        if (needNamespaceDefine(node, isHTML, visibleNamespaces)) {\n          var prefix = node.prefix || '';\n          var uri = node.namespaceURI;\n          var ns = prefix ? ' xmlns:' + prefix : \" xmlns\";\n          buf.push(ns, '=\"', uri, '\"');\n          visibleNamespaces.push({\n            prefix: prefix,\n            namespace: uri\n          });\n        }\n\n        if (child || isHTML && !/^(?:meta|link|img|br|hr|input)$/i.test(nodeName)) {\n          buf.push('>'); //if is cdata child node\n\n          if (isHTML && /^script$/i.test(nodeName)) {\n            while (child) {\n              if (child.data) {\n                buf.push(child.data);\n              } else {\n                serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n              }\n\n              child = child.nextSibling;\n            }\n          } else {\n            while (child) {\n              serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n              child = child.nextSibling;\n            }\n          }\n\n          buf.push('</', nodeName, '>');\n        } else {\n          buf.push('/>');\n        } // remove added visible namespaces\n        //visibleNamespaces.length = startVisibleNamespaces;\n\n\n        return;\n\n      case DOCUMENT_NODE:\n      case DOCUMENT_FRAGMENT_NODE:\n        var child = node.firstChild;\n\n        while (child) {\n          serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n          child = child.nextSibling;\n        }\n\n        return;\n\n      case ATTRIBUTE_NODE:\n        return buf.push(' ', node.name, '=\"', node.value.replace(/[<&\"]/g, _xmlEncoder), '\"');\n\n      case TEXT_NODE:\n        return buf.push(node.data.replace(/[<&]/g, _xmlEncoder));\n\n      case CDATA_SECTION_NODE:\n        return buf.push('<![CDATA[', node.data, ']]>');\n\n      case COMMENT_NODE:\n        return buf.push(\"<!--\", node.data, \"-->\");\n\n      case DOCUMENT_TYPE_NODE:\n        var pubid = node.publicId;\n        var sysid = node.systemId;\n        buf.push('<!DOCTYPE ', node.name);\n\n        if (pubid) {\n          buf.push(' PUBLIC \"', pubid);\n\n          if (sysid && sysid != '.') {\n            buf.push('\" \"', sysid);\n          }\n\n          buf.push('\">');\n        } else if (sysid && sysid != '.') {\n          buf.push(' SYSTEM \"', sysid, '\">');\n        } else {\n          var sub = node.internalSubset;\n\n          if (sub) {\n            buf.push(\" [\", sub, \"]\");\n          }\n\n          buf.push(\">\");\n        }\n\n        return;\n\n      case PROCESSING_INSTRUCTION_NODE:\n        return buf.push(\"<?\", node.target, \" \", node.data, \"?>\");\n\n      case ENTITY_REFERENCE_NODE:\n        return buf.push('&', node.nodeName, ';');\n      //case ENTITY_NODE:\n      //case NOTATION_NODE:\n\n      default:\n        buf.push('??', node.nodeName);\n    }\n  }\n\n  function _importNode(doc, node, deep) {\n    var node2;\n\n    switch (node.nodeType) {\n      case ELEMENT_NODE:\n        node2 = node.cloneNode(false);\n        node2.ownerDocument = doc;\n      //var attrs = node2.attributes;\n      //var len = attrs.length;\n      //for(var i=0;i<len;i++){\n      //node2.setAttributeNodeNS(importNode(doc,attrs.item(i),deep));\n      //}\n\n      case DOCUMENT_FRAGMENT_NODE:\n        break;\n\n      case ATTRIBUTE_NODE:\n        deep = true;\n        break;\n      //case ENTITY_REFERENCE_NODE:\n      //case PROCESSING_INSTRUCTION_NODE:\n      ////case TEXT_NODE:\n      //case CDATA_SECTION_NODE:\n      //case COMMENT_NODE:\n      //\tdeep = false;\n      //\tbreak;\n      //case DOCUMENT_NODE:\n      //case DOCUMENT_TYPE_NODE:\n      //cannot be imported.\n      //case ENTITY_NODE:\n      //case NOTATION_NODE：\n      //can not hit in level3\n      //default:throw e;\n    }\n\n    if (!node2) {\n      node2 = node.cloneNode(false); //false\n    }\n\n    node2.ownerDocument = doc;\n    node2.parentNode = null;\n\n    if (deep) {\n      var child = node.firstChild;\n\n      while (child) {\n        node2.appendChild(_importNode(doc, child, deep));\n        child = child.nextSibling;\n      }\n    }\n\n    return node2;\n  } //\n  //var _relationMap = {firstChild:1,lastChild:1,previousSibling:1,nextSibling:1,\n  //\t\t\t\t\tattributes:1,childNodes:1,parentNode:1,documentElement:1,doctype,};\n\n\n  function _cloneNode(doc, node, deep) {\n    var node2 = new node.constructor();\n\n    for (var n in node) {\n      var v = node[n];\n\n      if (typeof v != 'object') {\n        if (v != node2[n]) {\n          node2[n] = v;\n        }\n      }\n    }\n\n    if (node.childNodes) {\n      node2.childNodes = new NodeList();\n    }\n\n    node2.ownerDocument = doc;\n\n    switch (node2.nodeType) {\n      case ELEMENT_NODE:\n        var attrs = node.attributes;\n        var attrs2 = node2.attributes = new NamedNodeMap();\n        var len = attrs.length;\n        attrs2._ownerElement = node2;\n\n        for (var i = 0; i < len; i++) {\n          node2.setAttributeNode(_cloneNode(doc, attrs.item(i), true));\n        }\n\n        break;\n\n\n      case ATTRIBUTE_NODE:\n        deep = true;\n    }\n\n    if (deep) {\n      var child = node.firstChild;\n\n      while (child) {\n        node2.appendChild(_cloneNode(doc, child, deep));\n        child = child.nextSibling;\n      }\n    }\n\n    return node2;\n  }\n\n  function __set__(object, key, value) {\n    object[key] = value;\n  } //do dynamic\n\n\n  try {\n    if (Object.defineProperty) {\n      var getTextContent = function getTextContent(node) {\n        switch (node.nodeType) {\n          case ELEMENT_NODE:\n          case DOCUMENT_FRAGMENT_NODE:\n            var buf = [];\n            node = node.firstChild;\n\n            while (node) {\n              if (node.nodeType !== 7 && node.nodeType !== 8) {\n                buf.push(getTextContent(node));\n              }\n\n              node = node.nextSibling;\n            }\n\n            return buf.join('');\n\n          default:\n            return node.nodeValue;\n        }\n      };\n\n      Object.defineProperty(LiveNodeList.prototype, 'length', {\n        get: function get() {\n          _updateLiveList(this);\n\n          return this.$$length;\n        }\n      });\n      Object.defineProperty(Node.prototype, 'textContent', {\n        get: function get() {\n          return getTextContent(this);\n        },\n        set: function set(data) {\n          switch (this.nodeType) {\n            case ELEMENT_NODE:\n            case DOCUMENT_FRAGMENT_NODE:\n              while (this.firstChild) {\n                this.removeChild(this.firstChild);\n              }\n\n              if (data || String(data)) {\n                this.appendChild(this.ownerDocument.createTextNode(data));\n              }\n\n              break;\n\n            default:\n              //TODO:\n              this.data = data;\n              this.value = data;\n              this.nodeValue = data;\n          }\n        }\n      });\n\n      __set__ = function __set__(object, key, value) {\n        //console.log(value)\n        object['$$' + key] = value;\n      };\n    }\n  } catch (e) {} //ie8\n  //if(typeof require == 'function'){\n\n\n  var DOMImplementation_1 = DOMImplementation;\n  var XMLSerializer_1 = XMLSerializer; //}\n\n  var dom = {\n    DOMImplementation: DOMImplementation_1,\n    XMLSerializer: XMLSerializer_1\n  };\n\n  var domParser = createCommonjsModule(function (module, exports) {\n    function DOMParser(options) {\n      this.options = options || {\n        locator: {}\n      };\n    }\n\n    DOMParser.prototype.parseFromString = function (source, mimeType) {\n      var options = this.options;\n      var sax = new XMLReader();\n      var domBuilder = options.domBuilder || new DOMHandler(); //contentHandler and LexicalHandler\n\n      var errorHandler = options.errorHandler;\n      var locator = options.locator;\n      var defaultNSMap = options.xmlns || {};\n      var entityMap = {\n        'lt': '<',\n        'gt': '>',\n        'amp': '&',\n        'quot': '\"',\n        'apos': \"'\"\n      };\n\n      if (locator) {\n        domBuilder.setDocumentLocator(locator);\n      }\n\n      sax.errorHandler = buildErrorHandler(errorHandler, domBuilder, locator);\n      sax.domBuilder = options.domBuilder || domBuilder;\n\n      if (/\\/x?html?$/.test(mimeType)) {\n        entityMap.nbsp = '\\xa0';\n        entityMap.copy = '\\xa9';\n        defaultNSMap[''] = 'http://www.w3.org/1999/xhtml';\n      }\n\n      defaultNSMap.xml = defaultNSMap.xml || 'http://www.w3.org/XML/1998/namespace';\n\n      if (source) {\n        sax.parse(source, defaultNSMap, entityMap);\n      } else {\n        sax.errorHandler.error(\"invalid doc source\");\n      }\n\n      return domBuilder.doc;\n    };\n\n    function buildErrorHandler(errorImpl, domBuilder, locator) {\n      if (!errorImpl) {\n        if (domBuilder instanceof DOMHandler) {\n          return domBuilder;\n        }\n\n        errorImpl = domBuilder;\n      }\n\n      var errorHandler = {};\n      var isCallback = errorImpl instanceof Function;\n      locator = locator || {};\n\n      function build(key) {\n        var fn = errorImpl[key];\n\n        if (!fn && isCallback) {\n          fn = errorImpl.length == 2 ? function (msg) {\n            errorImpl(key, msg);\n          } : errorImpl;\n        }\n\n        errorHandler[key] = fn && function (msg) {\n          fn('[xmldom ' + key + ']\\t' + msg + _locator(locator));\n        } || function () {};\n      }\n\n      build('warning');\n      build('error');\n      build('fatalError');\n      return errorHandler;\n    } //console.log('#\\n\\n\\n\\n\\n\\n\\n####')\n\n    /**\n     * +ContentHandler+ErrorHandler\n     * +LexicalHandler+EntityResolver2\n     * -DeclHandler-DTDHandler\n     *\n     * DefaultHandler:EntityResolver, DTDHandler, ContentHandler, ErrorHandler\n     * DefaultHandler2:DefaultHandler,LexicalHandler, DeclHandler, EntityResolver2\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/helpers/DefaultHandler.html\n     */\n\n\n    function DOMHandler() {\n      this.cdata = false;\n    }\n\n    function position(locator, node) {\n      node.lineNumber = locator.lineNumber;\n      node.columnNumber = locator.columnNumber;\n    }\n    /**\n     * @see org.xml.sax.ContentHandler#startDocument\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ContentHandler.html\n     */\n\n\n    DOMHandler.prototype = {\n      startDocument: function startDocument() {\n        this.doc = new DOMImplementation().createDocument(null, null, null);\n\n        if (this.locator) {\n          this.doc.documentURI = this.locator.systemId;\n        }\n      },\n      startElement: function startElement(namespaceURI, localName, qName, attrs) {\n        var doc = this.doc;\n        var el = doc.createElementNS(namespaceURI, qName || localName);\n        var len = attrs.length;\n        appendElement(this, el);\n        this.currentElement = el;\n        this.locator && position(this.locator, el);\n\n        for (var i = 0; i < len; i++) {\n          var namespaceURI = attrs.getURI(i);\n          var value = attrs.getValue(i);\n          var qName = attrs.getQName(i);\n          var attr = doc.createAttributeNS(namespaceURI, qName);\n          this.locator && position(attrs.getLocator(i), attr);\n          attr.value = attr.nodeValue = value;\n          el.setAttributeNode(attr);\n        }\n      },\n      endElement: function endElement(namespaceURI, localName, qName) {\n        var current = this.currentElement;\n        var tagName = current.tagName;\n        this.currentElement = current.parentNode;\n      },\n      startPrefixMapping: function startPrefixMapping(prefix, uri) {},\n      endPrefixMapping: function endPrefixMapping(prefix) {},\n      processingInstruction: function processingInstruction(target, data) {\n        var ins = this.doc.createProcessingInstruction(target, data);\n        this.locator && position(this.locator, ins);\n        appendElement(this, ins);\n      },\n      ignorableWhitespace: function ignorableWhitespace(ch, start, length) {},\n      characters: function characters(chars, start, length) {\n        chars = _toString.apply(this, arguments); //console.log(chars)\n\n        if (chars) {\n          if (this.cdata) {\n            var charNode = this.doc.createCDATASection(chars);\n          } else {\n            var charNode = this.doc.createTextNode(chars);\n          }\n\n          if (this.currentElement) {\n            this.currentElement.appendChild(charNode);\n          } else if (/^\\s*$/.test(chars)) {\n            this.doc.appendChild(charNode); //process xml\n          }\n\n          this.locator && position(this.locator, charNode);\n        }\n      },\n      skippedEntity: function skippedEntity(name) {},\n      endDocument: function endDocument() {\n        this.doc.normalize();\n      },\n      setDocumentLocator: function setDocumentLocator(locator) {\n        if (this.locator = locator) {\n          // && !('lineNumber' in locator)){\n          locator.lineNumber = 0;\n        }\n      },\n      //LexicalHandler\n      comment: function comment(chars, start, length) {\n        chars = _toString.apply(this, arguments);\n        var comm = this.doc.createComment(chars);\n        this.locator && position(this.locator, comm);\n        appendElement(this, comm);\n      },\n      startCDATA: function startCDATA() {\n        //used in characters() methods\n        this.cdata = true;\n      },\n      endCDATA: function endCDATA() {\n        this.cdata = false;\n      },\n      startDTD: function startDTD(name, publicId, systemId) {\n        var impl = this.doc.implementation;\n\n        if (impl && impl.createDocumentType) {\n          var dt = impl.createDocumentType(name, publicId, systemId);\n          this.locator && position(this.locator, dt);\n          appendElement(this, dt);\n        }\n      },\n\n      /**\n       * @see org.xml.sax.ErrorHandler\n       * @link http://www.saxproject.org/apidoc/org/xml/sax/ErrorHandler.html\n       */\n      warning: function warning(error) {\n        console.warn('[xmldom warning]\\t' + error, _locator(this.locator));\n      },\n      error: function error(_error) {\n        console.error('[xmldom error]\\t' + _error, _locator(this.locator));\n      },\n      fatalError: function fatalError(error) {\n        console.error('[xmldom fatalError]\\t' + error, _locator(this.locator));\n        throw error;\n      }\n    };\n\n    function _locator(l) {\n      if (l) {\n        return '\\n@' + (l.systemId || '') + '#[line:' + l.lineNumber + ',col:' + l.columnNumber + ']';\n      }\n    }\n\n    function _toString(chars, start, length) {\n      if (typeof chars == 'string') {\n        return chars.substr(start, length);\n      } else {\n        //java sax connect width xmldom on rhino(what about: \"? && !(chars instanceof String)\")\n        if (chars.length >= start + length || start) {\n          return new java.lang.String(chars, start, length) + '';\n        }\n\n        return chars;\n      }\n    }\n    /*\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/LexicalHandler.html\n     * used method of org.xml.sax.ext.LexicalHandler:\n     *  #comment(chars, start, length)\n     *  #startCDATA()\n     *  #endCDATA()\n     *  #startDTD(name, publicId, systemId)\n     *\n     *\n     * IGNORED method of org.xml.sax.ext.LexicalHandler:\n     *  #endDTD()\n     *  #startEntity(name)\n     *  #endEntity(name)\n     *\n     *\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/DeclHandler.html\n     * IGNORED method of org.xml.sax.ext.DeclHandler\n     * \t#attributeDecl(eName, aName, type, mode, value)\n     *  #elementDecl(name, model)\n     *  #externalEntityDecl(name, publicId, systemId)\n     *  #internalEntityDecl(name, value)\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/EntityResolver2.html\n     * IGNORED method of org.xml.sax.EntityResolver2\n     *  #resolveEntity(String name,String publicId,String baseURI,String systemId)\n     *  #resolveEntity(publicId, systemId)\n     *  #getExternalSubset(name, baseURI)\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/DTDHandler.html\n     * IGNORED method of org.xml.sax.DTDHandler\n     *  #notationDecl(name, publicId, systemId) {};\n     *  #unparsedEntityDecl(name, publicId, systemId, notationName) {};\n     */\n\n\n    \"endDTD,startEntity,endEntity,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,resolveEntity,getExternalSubset,notationDecl,unparsedEntityDecl\".replace(/\\w+/g, function (key) {\n      DOMHandler.prototype[key] = function () {\n        return null;\n      };\n    });\n    /* Private static helpers treated below as private instance methods, so don't need to add these to the public API; we might use a Relator to also get rid of non-standard public properties */\n\n    function appendElement(hander, node) {\n      if (!hander.currentElement) {\n        hander.doc.appendChild(node);\n      } else {\n        hander.currentElement.appendChild(node);\n      }\n    } //appendChild and setAttributeNS are preformance key\n    //if(typeof require == 'function'){\n\n\n    var XMLReader = sax.XMLReader;\n    var DOMImplementation = exports.DOMImplementation = dom.DOMImplementation;\n    exports.XMLSerializer = dom.XMLSerializer;\n    exports.DOMParser = DOMParser; //}\n  });\n  var domParser_1 = domParser.DOMImplementation;\n  var domParser_2 = domParser.XMLSerializer;\n  var domParser_3 = domParser.DOMParser;\n\n  /*! @name mpd-parser @version 0.10.0 @license Apache-2.0 */\n\n  var isObject$1 = function isObject(obj) {\n    return !!obj && typeof obj === 'object';\n  };\n\n  var merge = function merge() {\n    for (var _len = arguments.length, objects = new Array(_len), _key = 0; _key < _len; _key++) {\n      objects[_key] = arguments[_key];\n    }\n\n    return objects.reduce(function (result, source) {\n      Object.keys(source).forEach(function (key) {\n        if (Array.isArray(result[key]) && Array.isArray(source[key])) {\n          result[key] = result[key].concat(source[key]);\n        } else if (isObject$1(result[key]) && isObject$1(source[key])) {\n          result[key] = merge(result[key], source[key]);\n        } else {\n          result[key] = source[key];\n        }\n      });\n      return result;\n    }, {});\n  };\n\n  var values = function values(o) {\n    return Object.keys(o).map(function (k) {\n      return o[k];\n    });\n  };\n\n  var range = function range(start, end) {\n    var result = [];\n\n    for (var i = start; i < end; i++) {\n      result.push(i);\n    }\n\n    return result;\n  };\n\n  var flatten = function flatten(lists) {\n    return lists.reduce(function (x, y) {\n      return x.concat(y);\n    }, []);\n  };\n\n  var from = function from(list) {\n    if (!list.length) {\n      return [];\n    }\n\n    var result = [];\n\n    for (var i = 0; i < list.length; i++) {\n      result.push(list[i]);\n    }\n\n    return result;\n  };\n\n  var findIndexes = function findIndexes(l, key) {\n    return l.reduce(function (a, e, i) {\n      if (e[key]) {\n        a.push(i);\n      }\n\n      return a;\n    }, []);\n  };\n\n  var errors = {\n    INVALID_NUMBER_OF_PERIOD: 'INVALID_NUMBER_OF_PERIOD',\n    DASH_EMPTY_MANIFEST: 'DASH_EMPTY_MANIFEST',\n    DASH_INVALID_XML: 'DASH_INVALID_XML',\n    NO_BASE_URL: 'NO_BASE_URL',\n    MISSING_SEGMENT_INFORMATION: 'MISSING_SEGMENT_INFORMATION',\n    SEGMENT_TIME_UNSPECIFIED: 'SEGMENT_TIME_UNSPECIFIED',\n    UNSUPPORTED_UTC_TIMING_SCHEME: 'UNSUPPORTED_UTC_TIMING_SCHEME'\n  };\n  /**\n   * @typedef {Object} SingleUri\n   * @property {string} uri - relative location of segment\n   * @property {string} resolvedUri - resolved location of segment\n   * @property {Object} byterange - Object containing information on how to make byte range\n   *   requests following byte-range-spec per RFC2616.\n   * @property {String} byterange.length - length of range request\n   * @property {String} byterange.offset - byte offset of range request\n   *\n   * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.1\n   */\n\n  /**\n   * Converts a URLType node (5.3.9.2.3 Table 13) to a segment object\n   * that conforms to how m3u8-parser is structured\n   *\n   * @see https://github.com/videojs/m3u8-parser\n   *\n   * @param {string} baseUrl - baseUrl provided by <BaseUrl> nodes\n   * @param {string} source - source url for segment\n   * @param {string} range - optional range used for range calls,\n   *   follows  RFC 2616, Clause 14.35.1\n   * @return {SingleUri} full segment information transformed into a format similar\n   *   to m3u8-parser\n   */\n\n  var urlTypeToSegment = function urlTypeToSegment(_ref) {\n    var _ref$baseUrl = _ref.baseUrl,\n        baseUrl = _ref$baseUrl === void 0 ? '' : _ref$baseUrl,\n        _ref$source = _ref.source,\n        source = _ref$source === void 0 ? '' : _ref$source,\n        _ref$range = _ref.range,\n        range = _ref$range === void 0 ? '' : _ref$range,\n        _ref$indexRange = _ref.indexRange,\n        indexRange = _ref$indexRange === void 0 ? '' : _ref$indexRange;\n    var segment = {\n      uri: source,\n      resolvedUri: resolveUrl_1(baseUrl || '', source)\n    };\n\n    if (range || indexRange) {\n      var rangeStr = range ? range : indexRange;\n      var ranges = rangeStr.split('-');\n      var startRange = parseInt(ranges[0], 10);\n      var endRange = parseInt(ranges[1], 10); // byterange should be inclusive according to\n      // RFC 2616, Clause 14.35.1\n\n      segment.byterange = {\n        length: endRange - startRange + 1,\n        offset: startRange\n      };\n    }\n\n    return segment;\n  };\n\n  var byteRangeToString = function byteRangeToString(byterange) {\n    // `endRange` is one less than `offset + length` because the HTTP range\n    // header uses inclusive ranges\n    var endRange = byterange.offset + byterange.length - 1;\n    return byterange.offset + \"-\" + endRange;\n  };\n  /**\n   * Functions for calculating the range of available segments in static and dynamic\n   * manifests.\n   */\n\n\n  var segmentRange = {\n    /**\n     * Returns the entire range of available segments for a static MPD\n     *\n     * @param {Object} attributes\n     *        Inheritied MPD attributes\n     * @return {{ start: number, end: number }}\n     *         The start and end numbers for available segments\n     */\n    \"static\": function _static(attributes) {\n      var duration = attributes.duration,\n          _attributes$timescale = attributes.timescale,\n          timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n          sourceDuration = attributes.sourceDuration;\n      return {\n        start: 0,\n        end: Math.ceil(sourceDuration / (duration / timescale))\n      };\n    },\n\n    /**\n     * Returns the current live window range of available segments for a dynamic MPD\n     *\n     * @param {Object} attributes\n     *        Inheritied MPD attributes\n     * @return {{ start: number, end: number }}\n     *         The start and end numbers for available segments\n     */\n    dynamic: function dynamic(attributes) {\n      var NOW = attributes.NOW,\n          clientOffset = attributes.clientOffset,\n          availabilityStartTime = attributes.availabilityStartTime,\n          _attributes$timescale2 = attributes.timescale,\n          timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,\n          duration = attributes.duration,\n          _attributes$start = attributes.start,\n          start = _attributes$start === void 0 ? 0 : _attributes$start,\n          _attributes$minimumUp = attributes.minimumUpdatePeriod,\n          minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp,\n          _attributes$timeShift = attributes.timeShiftBufferDepth,\n          timeShiftBufferDepth = _attributes$timeShift === void 0 ? Infinity : _attributes$timeShift;\n      var now = (NOW + clientOffset) / 1000;\n      var periodStartWC = availabilityStartTime + start;\n      var periodEndWC = now + minimumUpdatePeriod;\n      var periodDuration = periodEndWC - periodStartWC;\n      var segmentCount = Math.ceil(periodDuration * timescale / duration);\n      var availableStart = Math.floor((now - periodStartWC - timeShiftBufferDepth) * timescale / duration);\n      var availableEnd = Math.floor((now - periodStartWC) * timescale / duration);\n      return {\n        start: Math.max(0, availableStart),\n        end: Math.min(segmentCount, availableEnd)\n      };\n    }\n  };\n  /**\n   * Maps a range of numbers to objects with information needed to build the corresponding\n   * segment list\n   *\n   * @name toSegmentsCallback\n   * @function\n   * @param {number} number\n   *        Number of the segment\n   * @param {number} index\n   *        Index of the number in the range list\n   * @return {{ number: Number, duration: Number, timeline: Number, time: Number }}\n   *         Object with segment timing and duration info\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping a range of numbers to\n   * information needed to build the segment list.\n   *\n   * @param {Object} attributes\n   *        Inherited MPD attributes\n   * @return {toSegmentsCallback}\n   *         Callback map function\n   */\n\n  var toSegments = function toSegments(attributes) {\n    return function (number, index) {\n      var duration = attributes.duration,\n          _attributes$timescale3 = attributes.timescale,\n          timescale = _attributes$timescale3 === void 0 ? 1 : _attributes$timescale3,\n          periodIndex = attributes.periodIndex,\n          _attributes$startNumb = attributes.startNumber,\n          startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb;\n      return {\n        number: startNumber + number,\n        duration: duration / timescale,\n        timeline: periodIndex,\n        time: index * duration\n      };\n    };\n  };\n  /**\n   * Returns a list of objects containing segment timing and duration info used for\n   * building the list of segments. This uses the @duration attribute specified\n   * in the MPD manifest to derive the range of segments.\n   *\n   * @param {Object} attributes\n   *        Inherited MPD attributes\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseByDuration = function parseByDuration(attributes) {\n    var _attributes$type = attributes.type,\n        type = _attributes$type === void 0 ? 'static' : _attributes$type,\n        duration = attributes.duration,\n        _attributes$timescale4 = attributes.timescale,\n        timescale = _attributes$timescale4 === void 0 ? 1 : _attributes$timescale4,\n        sourceDuration = attributes.sourceDuration;\n\n    var _segmentRange$type = segmentRange[type](attributes),\n        start = _segmentRange$type.start,\n        end = _segmentRange$type.end;\n\n    var segments = range(start, end).map(toSegments(attributes));\n\n    if (type === 'static') {\n      var index = segments.length - 1; // final segment may be less than full segment duration\n\n      segments[index].duration = sourceDuration - duration / timescale * index;\n    }\n\n    return segments;\n  };\n  /**\n   * Translates SegmentBase into a set of segments.\n   * (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes.  Each\n   * node should be translated into segment.\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @return {Object.<Array>} list of segments\n   */\n\n\n  var segmentsFromBase = function segmentsFromBase(attributes) {\n    var baseUrl = attributes.baseUrl,\n        _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ,\n        sourceDuration = attributes.sourceDuration,\n        _attributes$timescale = attributes.timescale,\n        timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n        _attributes$indexRang = attributes.indexRange,\n        indexRange = _attributes$indexRang === void 0 ? '' : _attributes$indexRang,\n        duration = attributes.duration; // base url is required for SegmentBase to work, per spec (Section 5.3.9.2.1)\n\n    if (!baseUrl) {\n      throw new Error(errors.NO_BASE_URL);\n    }\n\n    var initSegment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: initialization.sourceURL,\n      range: initialization.range\n    });\n    var segment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: baseUrl,\n      indexRange: indexRange\n    });\n    segment.map = initSegment; // If there is a duration, use it, otherwise use the given duration of the source\n    // (since SegmentBase is only for one total segment)\n\n    if (duration) {\n      var segmentTimeInfo = parseByDuration(attributes);\n\n      if (segmentTimeInfo.length) {\n        segment.duration = segmentTimeInfo[0].duration;\n        segment.timeline = segmentTimeInfo[0].timeline;\n      }\n    } else if (sourceDuration) {\n      segment.duration = sourceDuration / timescale;\n      segment.timeline = 0;\n    } // This is used for mediaSequence\n\n\n    segment.number = 0;\n    return [segment];\n  };\n  /**\n   * Given a playlist, a sidx box, and a baseUrl, update the segment list of the playlist\n   * according to the sidx information given.\n   *\n   * playlist.sidx has metadadata about the sidx where-as the sidx param\n   * is the parsed sidx box itself.\n   *\n   * @param {Object} playlist the playlist to update the sidx information for\n   * @param {Object} sidx the parsed sidx box\n   * @return {Object} the playlist object with the updated sidx information\n   */\n\n\n  var addSegmentsToPlaylist = function addSegmentsToPlaylist(playlist, sidx, baseUrl) {\n    // Retain init segment information\n    var initSegment = playlist.sidx.map ? playlist.sidx.map : null; // Retain source duration from initial master manifest parsing\n\n    var sourceDuration = playlist.sidx.duration; // Retain source timeline\n\n    var timeline = playlist.timeline || 0;\n    var sidxByteRange = playlist.sidx.byterange;\n    var sidxEnd = sidxByteRange.offset + sidxByteRange.length; // Retain timescale of the parsed sidx\n\n    var timescale = sidx.timescale; // referenceType 1 refers to other sidx boxes\n\n    var mediaReferences = sidx.references.filter(function (r) {\n      return r.referenceType !== 1;\n    });\n    var segments = []; // firstOffset is the offset from the end of the sidx box\n\n    var startIndex = sidxEnd + sidx.firstOffset;\n\n    for (var i = 0; i < mediaReferences.length; i++) {\n      var reference = sidx.references[i]; // size of the referenced (sub)segment\n\n      var size = reference.referencedSize; // duration of the referenced (sub)segment, in  the  timescale\n      // this will be converted to seconds when generating segments\n\n      var duration = reference.subsegmentDuration; // should be an inclusive range\n\n      var endIndex = startIndex + size - 1;\n      var indexRange = startIndex + \"-\" + endIndex;\n      var attributes = {\n        baseUrl: baseUrl,\n        timescale: timescale,\n        timeline: timeline,\n        // this is used in parseByDuration\n        periodIndex: timeline,\n        duration: duration,\n        sourceDuration: sourceDuration,\n        indexRange: indexRange\n      };\n      var segment = segmentsFromBase(attributes)[0];\n\n      if (initSegment) {\n        segment.map = initSegment;\n      }\n\n      segments.push(segment);\n      startIndex += size;\n    }\n\n    playlist.segments = segments;\n    return playlist;\n  };\n\n  var mergeDiscontiguousPlaylists = function mergeDiscontiguousPlaylists(playlists) {\n    var mergedPlaylists = values(playlists.reduce(function (acc, playlist) {\n      // assuming playlist IDs are the same across periods\n      // TODO: handle multiperiod where representation sets are not the same\n      // across periods\n      var name = playlist.attributes.id + (playlist.attributes.lang || ''); // Periods after first\n\n      if (acc[name]) {\n        var _acc$name$segments; // first segment of subsequent periods signal a discontinuity\n\n\n        if (playlist.segments[0]) {\n          playlist.segments[0].discontinuity = true;\n        }\n\n        (_acc$name$segments = acc[name].segments).push.apply(_acc$name$segments, playlist.segments); // bubble up contentProtection, this assumes all DRM content\n        // has the same contentProtection\n\n\n        if (playlist.attributes.contentProtection) {\n          acc[name].attributes.contentProtection = playlist.attributes.contentProtection;\n        }\n      } else {\n        // first Period\n        acc[name] = playlist;\n      }\n\n      return acc;\n    }, {}));\n    return mergedPlaylists.map(function (playlist) {\n      playlist.discontinuityStarts = findIndexes(playlist.segments, 'discontinuity');\n      return playlist;\n    });\n  };\n\n  var addSegmentInfoFromSidx = function addSegmentInfoFromSidx(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    if (!Object.keys(sidxMapping).length) {\n      return playlists;\n    }\n\n    for (var i in playlists) {\n      var playlist = playlists[i];\n\n      if (!playlist.sidx) {\n        continue;\n      }\n\n      var sidxKey = playlist.sidx.uri + '-' + byteRangeToString(playlist.sidx.byterange);\n      var sidxMatch = sidxMapping[sidxKey] && sidxMapping[sidxKey].sidx;\n\n      if (playlist.sidx && sidxMatch) {\n        addSegmentsToPlaylist(playlist, sidxMatch, playlist.sidx.resolvedUri);\n      }\n    }\n\n    return playlists;\n  };\n\n  var formatAudioPlaylist = function formatAudioPlaylist(_ref) {\n    var _attributes;\n\n    var attributes = _ref.attributes,\n        segments = _ref.segments,\n        sidx = _ref.sidx;\n    var playlist = {\n      attributes: (_attributes = {\n        NAME: attributes.id,\n        BANDWIDTH: attributes.bandwidth,\n        CODECS: attributes.codecs\n      }, _attributes['PROGRAM-ID'] = 1, _attributes),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n\n    if (attributes.contentProtection) {\n      playlist.contentProtection = attributes.contentProtection;\n    }\n\n    if (sidx) {\n      playlist.sidx = sidx;\n    }\n\n    return playlist;\n  };\n\n  var formatVttPlaylist = function formatVttPlaylist(_ref2) {\n    var _attributes2;\n\n    var attributes = _ref2.attributes,\n        segments = _ref2.segments;\n\n    if (typeof segments === 'undefined') {\n      // vtt tracks may use single file in BaseURL\n      segments = [{\n        uri: attributes.baseUrl,\n        timeline: attributes.periodIndex,\n        resolvedUri: attributes.baseUrl || '',\n        duration: attributes.sourceDuration,\n        number: 0\n      }]; // targetDuration should be the same duration as the only segment\n\n      attributes.duration = attributes.sourceDuration;\n    }\n\n    return {\n      attributes: (_attributes2 = {\n        NAME: attributes.id,\n        BANDWIDTH: attributes.bandwidth\n      }, _attributes2['PROGRAM-ID'] = 1, _attributes2),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: attributes.baseUrl || '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n  };\n\n  var organizeAudioPlaylists = function organizeAudioPlaylists(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    var mainPlaylist;\n    var formattedPlaylists = playlists.reduce(function (a, playlist) {\n      var role = playlist.attributes.role && playlist.attributes.role.value || '';\n      var language = playlist.attributes.lang || '';\n      var label = 'main';\n\n      if (language) {\n        var roleLabel = role ? \" (\" + role + \")\" : '';\n        label = \"\" + playlist.attributes.lang + roleLabel;\n      } // skip if we already have the highest quality audio for a language\n\n\n      if (a[label] && a[label].playlists[0].attributes.BANDWIDTH > playlist.attributes.bandwidth) {\n        return a;\n      }\n\n      a[label] = {\n        language: language,\n        autoselect: true,\n        \"default\": role === 'main',\n        playlists: addSegmentInfoFromSidx([formatAudioPlaylist(playlist)], sidxMapping),\n        uri: ''\n      };\n\n      if (typeof mainPlaylist === 'undefined' && role === 'main') {\n        mainPlaylist = playlist;\n        mainPlaylist[\"default\"] = true;\n      }\n\n      return a;\n    }, {}); // if no playlists have role \"main\", mark the first as main\n\n    if (!mainPlaylist) {\n      var firstLabel = Object.keys(formattedPlaylists)[0];\n      formattedPlaylists[firstLabel][\"default\"] = true;\n    }\n\n    return formattedPlaylists;\n  };\n\n  var organizeVttPlaylists = function organizeVttPlaylists(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    return playlists.reduce(function (a, playlist) {\n      var label = playlist.attributes.lang || 'text'; // skip if we already have subtitles\n\n      if (a[label]) {\n        return a;\n      }\n\n      a[label] = {\n        language: label,\n        \"default\": false,\n        autoselect: false,\n        playlists: addSegmentInfoFromSidx([formatVttPlaylist(playlist)], sidxMapping),\n        uri: ''\n      };\n      return a;\n    }, {});\n  };\n\n  var formatVideoPlaylist = function formatVideoPlaylist(_ref3) {\n    var _attributes3;\n\n    var attributes = _ref3.attributes,\n        segments = _ref3.segments,\n        sidx = _ref3.sidx;\n    var playlist = {\n      attributes: (_attributes3 = {\n        NAME: attributes.id,\n        AUDIO: 'audio',\n        SUBTITLES: 'subs',\n        RESOLUTION: {\n          width: attributes.width,\n          height: attributes.height\n        },\n        CODECS: attributes.codecs,\n        BANDWIDTH: attributes.bandwidth\n      }, _attributes3['PROGRAM-ID'] = 1, _attributes3),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n\n    if (attributes.contentProtection) {\n      playlist.contentProtection = attributes.contentProtection;\n    }\n\n    if (sidx) {\n      playlist.sidx = sidx;\n    }\n\n    return playlist;\n  };\n\n  var toM3u8 = function toM3u8(dashPlaylists, sidxMapping) {\n    var _mediaGroups;\n\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    if (!dashPlaylists.length) {\n      return {};\n    } // grab all master attributes\n\n\n    var _dashPlaylists$0$attr = dashPlaylists[0].attributes,\n        duration = _dashPlaylists$0$attr.sourceDuration,\n        _dashPlaylists$0$attr2 = _dashPlaylists$0$attr.type,\n        type = _dashPlaylists$0$attr2 === void 0 ? 'static' : _dashPlaylists$0$attr2,\n        suggestedPresentationDelay = _dashPlaylists$0$attr.suggestedPresentationDelay,\n        _dashPlaylists$0$attr3 = _dashPlaylists$0$attr.minimumUpdatePeriod,\n        minimumUpdatePeriod = _dashPlaylists$0$attr3 === void 0 ? 0 : _dashPlaylists$0$attr3;\n\n    var videoOnly = function videoOnly(_ref4) {\n      var attributes = _ref4.attributes;\n      return attributes.mimeType === 'video/mp4' || attributes.contentType === 'video';\n    };\n\n    var audioOnly = function audioOnly(_ref5) {\n      var attributes = _ref5.attributes;\n      return attributes.mimeType === 'audio/mp4' || attributes.contentType === 'audio';\n    };\n\n    var vttOnly = function vttOnly(_ref6) {\n      var attributes = _ref6.attributes;\n      return attributes.mimeType === 'text/vtt' || attributes.contentType === 'text';\n    };\n\n    var videoPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(videoOnly)).map(formatVideoPlaylist);\n    var audioPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(audioOnly));\n    var vttPlaylists = dashPlaylists.filter(vttOnly);\n    var master = {\n      allowCache: true,\n      discontinuityStarts: [],\n      segments: [],\n      endList: true,\n      mediaGroups: (_mediaGroups = {\n        AUDIO: {},\n        VIDEO: {}\n      }, _mediaGroups['CLOSED-CAPTIONS'] = {}, _mediaGroups.SUBTITLES = {}, _mediaGroups),\n      uri: '',\n      duration: duration,\n      playlists: addSegmentInfoFromSidx(videoPlaylists, sidxMapping),\n      minimumUpdatePeriod: minimumUpdatePeriod * 1000\n    };\n\n    if (type === 'dynamic') {\n      master.suggestedPresentationDelay = suggestedPresentationDelay;\n    }\n\n    if (audioPlaylists.length) {\n      master.mediaGroups.AUDIO.audio = organizeAudioPlaylists(audioPlaylists, sidxMapping);\n    }\n\n    if (vttPlaylists.length) {\n      master.mediaGroups.SUBTITLES.subs = organizeVttPlaylists(vttPlaylists, sidxMapping);\n    }\n\n    return master;\n  };\n  /**\n   * Calculates the R (repetition) value for a live stream (for the final segment\n   * in a manifest where the r value is negative 1)\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {number} time\n   *        current time (typically the total time up until the final segment)\n   * @param {number} duration\n   *        duration property for the given <S />\n   *\n   * @return {number}\n   *        R value to reach the end of the given period\n   */\n\n\n  var getLiveRValue = function getLiveRValue(attributes, time, duration) {\n    var NOW = attributes.NOW,\n        clientOffset = attributes.clientOffset,\n        availabilityStartTime = attributes.availabilityStartTime,\n        _attributes$timescale = attributes.timescale,\n        timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n        _attributes$start = attributes.start,\n        start = _attributes$start === void 0 ? 0 : _attributes$start,\n        _attributes$minimumUp = attributes.minimumUpdatePeriod,\n        minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp;\n    var now = (NOW + clientOffset) / 1000;\n    var periodStartWC = availabilityStartTime + start;\n    var periodEndWC = now + minimumUpdatePeriod;\n    var periodDuration = periodEndWC - periodStartWC;\n    return Math.ceil((periodDuration * timescale - time) / duration);\n  };\n  /**\n   * Uses information provided by SegmentTemplate.SegmentTimeline to determine segment\n   * timing and duration\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseByTimeline = function parseByTimeline(attributes, segmentTimeline) {\n    var _attributes$type = attributes.type,\n        type = _attributes$type === void 0 ? 'static' : _attributes$type,\n        _attributes$minimumUp2 = attributes.minimumUpdatePeriod,\n        minimumUpdatePeriod = _attributes$minimumUp2 === void 0 ? 0 : _attributes$minimumUp2,\n        _attributes$media = attributes.media,\n        media = _attributes$media === void 0 ? '' : _attributes$media,\n        sourceDuration = attributes.sourceDuration,\n        _attributes$timescale2 = attributes.timescale,\n        timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,\n        _attributes$startNumb = attributes.startNumber,\n        startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb,\n        timeline = attributes.periodIndex;\n    var segments = [];\n    var time = -1;\n\n    for (var sIndex = 0; sIndex < segmentTimeline.length; sIndex++) {\n      var S = segmentTimeline[sIndex];\n      var duration = S.d;\n      var repeat = S.r || 0;\n      var segmentTime = S.t || 0;\n\n      if (time < 0) {\n        // first segment\n        time = segmentTime;\n      }\n\n      if (segmentTime && segmentTime > time) {\n        // discontinuity\n        // TODO: How to handle this type of discontinuity\n        // timeline++ here would treat it like HLS discontuity and content would\n        // get appended without gap\n        // E.G.\n        //  <S t=\"0\" d=\"1\" />\n        //  <S d=\"1\" />\n        //  <S d=\"1\" />\n        //  <S t=\"5\" d=\"1\" />\n        // would have $Time$ values of [0, 1, 2, 5]\n        // should this be appened at time positions [0, 1, 2, 3],(#EXT-X-DISCONTINUITY)\n        // or [0, 1, 2, gap, gap, 5]? (#EXT-X-GAP)\n        // does the value of sourceDuration consider this when calculating arbitrary\n        // negative @r repeat value?\n        // E.G. Same elements as above with this added at the end\n        //  <S d=\"1\" r=\"-1\" />\n        //  with a sourceDuration of 10\n        // Would the 2 gaps be included in the time duration calculations resulting in\n        // 8 segments with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9] or 10 segments\n        // with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9, 10, 11] ?\n        time = segmentTime;\n      }\n\n      var count = void 0;\n\n      if (repeat < 0) {\n        var nextS = sIndex + 1;\n\n        if (nextS === segmentTimeline.length) {\n          // last segment\n          if (type === 'dynamic' && minimumUpdatePeriod > 0 && media.indexOf('$Number$') > 0) {\n            count = getLiveRValue(attributes, time, duration);\n          } else {\n            // TODO: This may be incorrect depending on conclusion of TODO above\n            count = (sourceDuration * timescale - time) / duration;\n          }\n        } else {\n          count = (segmentTimeline[nextS].t - time) / duration;\n        }\n      } else {\n        count = repeat + 1;\n      }\n\n      var end = startNumber + segments.length + count;\n      var number = startNumber + segments.length;\n\n      while (number < end) {\n        segments.push({\n          number: number,\n          duration: duration / timescale,\n          time: time,\n          timeline: timeline\n        });\n        time += duration;\n        number++;\n      }\n    }\n\n    return segments;\n  };\n\n  var identifierPattern = /\\$([A-z]*)(?:(%0)([0-9]+)d)?\\$/g;\n  /**\n   * Replaces template identifiers with corresponding values. To be used as the callback\n   * for String.prototype.replace\n   *\n   * @name replaceCallback\n   * @function\n   * @param {string} match\n   *        Entire match of identifier\n   * @param {string} identifier\n   *        Name of matched identifier\n   * @param {string} format\n   *        Format tag string. Its presence indicates that padding is expected\n   * @param {string} width\n   *        Desired length of the replaced value. Values less than this width shall be left\n   *        zero padded\n   * @return {string}\n   *         Replacement for the matched identifier\n   */\n\n  /**\n   * Returns a function to be used as a callback for String.prototype.replace to replace\n   * template identifiers\n   *\n   * @param {Obect} values\n   *        Object containing values that shall be used to replace known identifiers\n   * @param {number} values.RepresentationID\n   *        Value of the Representation@id attribute\n   * @param {number} values.Number\n   *        Number of the corresponding segment\n   * @param {number} values.Bandwidth\n   *        Value of the Representation@bandwidth attribute.\n   * @param {number} values.Time\n   *        Timestamp value of the corresponding segment\n   * @return {replaceCallback}\n   *         Callback to be used with String.prototype.replace to replace identifiers\n   */\n\n  var identifierReplacement = function identifierReplacement(values) {\n    return function (match, identifier, format, width) {\n      if (match === '$$') {\n        // escape sequence\n        return '$';\n      }\n\n      if (typeof values[identifier] === 'undefined') {\n        return match;\n      }\n\n      var value = '' + values[identifier];\n\n      if (identifier === 'RepresentationID') {\n        // Format tag shall not be present with RepresentationID\n        return value;\n      }\n\n      if (!format) {\n        width = 1;\n      } else {\n        width = parseInt(width, 10);\n      }\n\n      if (value.length >= width) {\n        return value;\n      }\n\n      return \"\" + new Array(width - value.length + 1).join('0') + value;\n    };\n  };\n  /**\n   * Constructs a segment url from a template string\n   *\n   * @param {string} url\n   *        Template string to construct url from\n   * @param {Obect} values\n   *        Object containing values that shall be used to replace known identifiers\n   * @param {number} values.RepresentationID\n   *        Value of the Representation@id attribute\n   * @param {number} values.Number\n   *        Number of the corresponding segment\n   * @param {number} values.Bandwidth\n   *        Value of the Representation@bandwidth attribute.\n   * @param {number} values.Time\n   *        Timestamp value of the corresponding segment\n   * @return {string}\n   *         Segment url with identifiers replaced\n   */\n\n\n  var constructTemplateUrl = function constructTemplateUrl(url, values) {\n    return url.replace(identifierPattern, identifierReplacement(values));\n  };\n  /**\n   * Generates a list of objects containing timing and duration information about each\n   * segment needed to generate segment uris and the complete segment object\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseTemplateInfo = function parseTemplateInfo(attributes, segmentTimeline) {\n    if (!attributes.duration && !segmentTimeline) {\n      // if neither @duration or SegmentTimeline are present, then there shall be exactly\n      // one media segment\n      return [{\n        number: attributes.startNumber || 1,\n        duration: attributes.sourceDuration,\n        time: 0,\n        timeline: attributes.periodIndex\n      }];\n    }\n\n    if (attributes.duration) {\n      return parseByDuration(attributes);\n    }\n\n    return parseByTimeline(attributes, segmentTimeline);\n  };\n  /**\n   * Generates a list of segments using information provided by the SegmentTemplate element\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {Object[]}\n   *         List of segment objects\n   */\n\n\n  var segmentsFromTemplate = function segmentsFromTemplate(attributes, segmentTimeline) {\n    var templateValues = {\n      RepresentationID: attributes.id,\n      Bandwidth: attributes.bandwidth || 0\n    };\n    var _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {\n      sourceURL: '',\n      range: ''\n    } : _attributes$initializ;\n    var mapSegment = urlTypeToSegment({\n      baseUrl: attributes.baseUrl,\n      source: constructTemplateUrl(initialization.sourceURL, templateValues),\n      range: initialization.range\n    });\n    var segments = parseTemplateInfo(attributes, segmentTimeline);\n    return segments.map(function (segment) {\n      templateValues.Number = segment.number;\n      templateValues.Time = segment.time;\n      var uri = constructTemplateUrl(attributes.media || '', templateValues);\n      return {\n        uri: uri,\n        timeline: segment.timeline,\n        duration: segment.duration,\n        resolvedUri: resolveUrl_1(attributes.baseUrl || '', uri),\n        map: mapSegment,\n        number: segment.number\n      };\n    });\n  };\n  /**\n   * Converts a <SegmentUrl> (of type URLType from the DASH spec 5.3.9.2 Table 14)\n   * to an object that matches the output of a segment in videojs/mpd-parser\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @param {Object} segmentUrl\n   *   <SegmentURL> node to translate into a segment object\n   * @return {Object} translated segment object\n   */\n\n\n  var SegmentURLToSegmentObject = function SegmentURLToSegmentObject(attributes, segmentUrl) {\n    var baseUrl = attributes.baseUrl,\n        _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ;\n    var initSegment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: initialization.sourceURL,\n      range: initialization.range\n    });\n    var segment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: segmentUrl.media,\n      range: segmentUrl.mediaRange\n    });\n    segment.map = initSegment;\n    return segment;\n  };\n  /**\n   * Generates a list of segments using information provided by the SegmentList element\n   * SegmentList (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes.  Each\n   * node should be translated into segment.\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {Object.<Array>} list of segments\n   */\n\n\n  var segmentsFromList = function segmentsFromList(attributes, segmentTimeline) {\n    var duration = attributes.duration,\n        _attributes$segmentUr = attributes.segmentUrls,\n        segmentUrls = _attributes$segmentUr === void 0 ? [] : _attributes$segmentUr; // Per spec (5.3.9.2.1) no way to determine segment duration OR\n    // if both SegmentTimeline and @duration are defined, it is outside of spec.\n\n    if (!duration && !segmentTimeline || duration && segmentTimeline) {\n      throw new Error(errors.SEGMENT_TIME_UNSPECIFIED);\n    }\n\n    var segmentUrlMap = segmentUrls.map(function (segmentUrlObject) {\n      return SegmentURLToSegmentObject(attributes, segmentUrlObject);\n    });\n    var segmentTimeInfo;\n\n    if (duration) {\n      segmentTimeInfo = parseByDuration(attributes);\n    }\n\n    if (segmentTimeline) {\n      segmentTimeInfo = parseByTimeline(attributes, segmentTimeline);\n    }\n\n    var segments = segmentTimeInfo.map(function (segmentTime, index) {\n      if (segmentUrlMap[index]) {\n        var segment = segmentUrlMap[index];\n        segment.timeline = segmentTime.timeline;\n        segment.duration = segmentTime.duration;\n        segment.number = segmentTime.number;\n        return segment;\n      } // Since we're mapping we should get rid of any blank segments (in case\n      // the given SegmentTimeline is handling for more elements than we have\n      // SegmentURLs for).\n\n    }).filter(function (segment) {\n      return segment;\n    });\n    return segments;\n  };\n\n  var generateSegments = function generateSegments(_ref) {\n    var attributes = _ref.attributes,\n        segmentInfo = _ref.segmentInfo;\n    var segmentAttributes;\n    var segmentsFn;\n\n    if (segmentInfo.template) {\n      segmentsFn = segmentsFromTemplate;\n      segmentAttributes = merge(attributes, segmentInfo.template);\n    } else if (segmentInfo.base) {\n      segmentsFn = segmentsFromBase;\n      segmentAttributes = merge(attributes, segmentInfo.base);\n    } else if (segmentInfo.list) {\n      segmentsFn = segmentsFromList;\n      segmentAttributes = merge(attributes, segmentInfo.list);\n    }\n\n    var segmentsInfo = {\n      attributes: attributes\n    };\n\n    if (!segmentsFn) {\n      return segmentsInfo;\n    }\n\n    var segments = segmentsFn(segmentAttributes, segmentInfo.timeline); // The @duration attribute will be used to determin the playlist's targetDuration which\n    // must be in seconds. Since we've generated the segment list, we no longer need\n    // @duration to be in @timescale units, so we can convert it here.\n\n    if (segmentAttributes.duration) {\n      var _segmentAttributes = segmentAttributes,\n          duration = _segmentAttributes.duration,\n          _segmentAttributes$ti = _segmentAttributes.timescale,\n          timescale = _segmentAttributes$ti === void 0 ? 1 : _segmentAttributes$ti;\n      segmentAttributes.duration = duration / timescale;\n    } else if (segments.length) {\n      // if there is no @duration attribute, use the largest segment duration as\n      // as target duration\n      segmentAttributes.duration = segments.reduce(function (max, segment) {\n        return Math.max(max, Math.ceil(segment.duration));\n      }, 0);\n    } else {\n      segmentAttributes.duration = 0;\n    }\n\n    segmentsInfo.attributes = segmentAttributes;\n    segmentsInfo.segments = segments; // This is a sidx box without actual segment information\n\n    if (segmentInfo.base && segmentAttributes.indexRange) {\n      segmentsInfo.sidx = segments[0];\n      segmentsInfo.segments = [];\n    }\n\n    return segmentsInfo;\n  };\n\n  var toPlaylists = function toPlaylists(representations) {\n    return representations.map(generateSegments);\n  };\n\n  var findChildren = function findChildren(element, name) {\n    return from(element.childNodes).filter(function (_ref) {\n      var tagName = _ref.tagName;\n      return tagName === name;\n    });\n  };\n\n  var getContent = function getContent(element) {\n    return element.textContent.trim();\n  };\n\n  var parseDuration = function parseDuration(str) {\n    var SECONDS_IN_YEAR = 365 * 24 * 60 * 60;\n    var SECONDS_IN_MONTH = 30 * 24 * 60 * 60;\n    var SECONDS_IN_DAY = 24 * 60 * 60;\n    var SECONDS_IN_HOUR = 60 * 60;\n    var SECONDS_IN_MIN = 60; // P10Y10M10DT10H10M10.1S\n\n    var durationRegex = /P(?:(\\d*)Y)?(?:(\\d*)M)?(?:(\\d*)D)?(?:T(?:(\\d*)H)?(?:(\\d*)M)?(?:([\\d.]*)S)?)?/;\n    var match = durationRegex.exec(str);\n\n    if (!match) {\n      return 0;\n    }\n\n    var _match$slice = match.slice(1),\n        year = _match$slice[0],\n        month = _match$slice[1],\n        day = _match$slice[2],\n        hour = _match$slice[3],\n        minute = _match$slice[4],\n        second = _match$slice[5];\n\n    return parseFloat(year || 0) * SECONDS_IN_YEAR + parseFloat(month || 0) * SECONDS_IN_MONTH + parseFloat(day || 0) * SECONDS_IN_DAY + parseFloat(hour || 0) * SECONDS_IN_HOUR + parseFloat(minute || 0) * SECONDS_IN_MIN + parseFloat(second || 0);\n  };\n\n  var parseDate = function parseDate(str) {\n    // Date format without timezone according to ISO 8601\n    // YYY-MM-DDThh:mm:ss.ssssss\n    var dateRegex = /^\\d+-\\d+-\\d+T\\d+:\\d+:\\d+(\\.\\d+)?$/; // If the date string does not specifiy a timezone, we must specifiy UTC. This is\n    // expressed by ending with 'Z'\n\n    if (dateRegex.test(str)) {\n      str += 'Z';\n    }\n\n    return Date.parse(str);\n  };\n\n  var parsers = {\n    /**\n     * Specifies the duration of the entire Media Presentation. Format is a duration string\n     * as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    mediaPresentationDuration: function mediaPresentationDuration(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the Segment availability start time for all Segments referred to in this\n     * MPD. For a dynamic manifest, it specifies the anchor for the earliest availability\n     * time. Format is a date string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The date as seconds from unix epoch\n     */\n    availabilityStartTime: function availabilityStartTime(value) {\n      return parseDate(value) / 1000;\n    },\n\n    /**\n     * Specifies the smallest period between potential changes to the MPD. Format is a\n     * duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    minimumUpdatePeriod: function minimumUpdatePeriod(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the suggested presentation delay. Format is a\n     * duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    suggestedPresentationDelay: function suggestedPresentationDelay(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * specifices the type of mpd. Can be either \"static\" or \"dynamic\"\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     *\n     * @return {string}\n     *         The type as a string\n     */\n    type: function type(value) {\n      return value;\n    },\n\n    /**\n     * Specifies the duration of the smallest time shifting buffer for any Representation\n     * in the MPD. Format is a duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    timeShiftBufferDepth: function timeShiftBufferDepth(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the PeriodStart time of the Period relative to the availabilityStarttime.\n     * Format is a duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    start: function start(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the width of the visual presentation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed width\n     */\n    width: function width(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the height of the visual presentation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed height\n     */\n    height: function height(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the bitrate of the representation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed bandwidth\n     */\n    bandwidth: function bandwidth(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the number of the first Media Segment in this Representation in the Period\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed number\n     */\n    startNumber: function startNumber(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the timescale in units per seconds\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The aprsed timescale\n     */\n    timescale: function timescale(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the constant approximate Segment duration\n     * NOTE: The <Period> element also contains an @duration attribute. This duration\n     *       specifies the duration of the Period. This attribute is currently not\n     *       supported by the rest of the parser, however we still check for it to prevent\n     *       errors.\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed duration\n     */\n    duration: function duration(value) {\n      var parsedValue = parseInt(value, 10);\n\n      if (isNaN(parsedValue)) {\n        return parseDuration(value);\n      }\n\n      return parsedValue;\n    },\n\n    /**\n     * Specifies the Segment duration, in units of the value of the @timescale.\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed duration\n     */\n    d: function d(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the MPD start time, in @timescale units, the first Segment in the series\n     * starts relative to the beginning of the Period\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed time\n     */\n    t: function t(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the repeat count of the number of following contiguous Segments with the\n     * same duration expressed by the value of @d\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed number\n     */\n    r: function r(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Default parser for all other attributes. Acts as a no-op and just returns the value\n     * as a string\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {string}\n     *         Unparsed value\n     */\n    DEFAULT: function DEFAULT(value) {\n      return value;\n    }\n  };\n  /**\n   * Gets all the attributes and values of the provided node, parses attributes with known\n   * types, and returns an object with attribute names mapped to values.\n   *\n   * @param {Node} el\n   *        The node to parse attributes from\n   * @return {Object}\n   *         Object with all attributes of el parsed\n   */\n\n  var parseAttributes$1 = function parseAttributes(el) {\n    if (!(el && el.attributes)) {\n      return {};\n    }\n\n    return from(el.attributes).reduce(function (a, e) {\n      var parseFn = parsers[e.name] || parsers.DEFAULT;\n      a[e.name] = parseFn(e.value);\n      return a;\n    }, {});\n  };\n\n  var keySystemsMap = {\n    'urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b': 'org.w3.clearkey',\n    'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed': 'com.widevine.alpha',\n    'urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95': 'com.microsoft.playready',\n    'urn:uuid:f239e769-efa3-4850-9c16-a903c6932efb': 'com.adobe.primetime'\n  };\n  /**\n   * Builds a list of urls that is the product of the reference urls and BaseURL values\n   *\n   * @param {string[]} referenceUrls\n   *        List of reference urls to resolve to\n   * @param {Node[]} baseUrlElements\n   *        List of BaseURL nodes from the mpd\n   * @return {string[]}\n   *         List of resolved urls\n   */\n\n  var buildBaseUrls = function buildBaseUrls(referenceUrls, baseUrlElements) {\n    if (!baseUrlElements.length) {\n      return referenceUrls;\n    }\n\n    return flatten(referenceUrls.map(function (reference) {\n      return baseUrlElements.map(function (baseUrlElement) {\n        return resolveUrl_1(reference, getContent(baseUrlElement));\n      });\n    }));\n  };\n  /**\n   * Contains all Segment information for its containing AdaptationSet\n   *\n   * @typedef {Object} SegmentInformation\n   * @property {Object|undefined} template\n   *           Contains the attributes for the SegmentTemplate node\n   * @property {Object[]|undefined} timeline\n   *           Contains a list of atrributes for each S node within the SegmentTimeline node\n   * @property {Object|undefined} list\n   *           Contains the attributes for the SegmentList node\n   * @property {Object|undefined} base\n   *           Contains the attributes for the SegmentBase node\n   */\n\n  /**\n   * Returns all available Segment information contained within the AdaptationSet node\n   *\n   * @param {Node} adaptationSet\n   *        The AdaptationSet node to get Segment information from\n   * @return {SegmentInformation}\n   *         The Segment information contained within the provided AdaptationSet\n   */\n\n\n  var getSegmentInformation = function getSegmentInformation(adaptationSet) {\n    var segmentTemplate = findChildren(adaptationSet, 'SegmentTemplate')[0];\n    var segmentList = findChildren(adaptationSet, 'SegmentList')[0];\n    var segmentUrls = segmentList && findChildren(segmentList, 'SegmentURL').map(function (s) {\n      return merge({\n        tag: 'SegmentURL'\n      }, parseAttributes$1(s));\n    });\n    var segmentBase = findChildren(adaptationSet, 'SegmentBase')[0];\n    var segmentTimelineParentNode = segmentList || segmentTemplate;\n    var segmentTimeline = segmentTimelineParentNode && findChildren(segmentTimelineParentNode, 'SegmentTimeline')[0];\n    var segmentInitializationParentNode = segmentList || segmentBase || segmentTemplate;\n    var segmentInitialization = segmentInitializationParentNode && findChildren(segmentInitializationParentNode, 'Initialization')[0]; // SegmentTemplate is handled slightly differently, since it can have both\n    // @initialization and an <Initialization> node.  @initialization can be templated,\n    // while the node can have a url and range specified.  If the <SegmentTemplate> has\n    // both @initialization and an <Initialization> subelement we opt to override with\n    // the node, as this interaction is not defined in the spec.\n\n    var template = segmentTemplate && parseAttributes$1(segmentTemplate);\n\n    if (template && segmentInitialization) {\n      template.initialization = segmentInitialization && parseAttributes$1(segmentInitialization);\n    } else if (template && template.initialization) {\n      // If it is @initialization we convert it to an object since this is the format that\n      // later functions will rely on for the initialization segment.  This is only valid\n      // for <SegmentTemplate>\n      template.initialization = {\n        sourceURL: template.initialization\n      };\n    }\n\n    var segmentInfo = {\n      template: template,\n      timeline: segmentTimeline && findChildren(segmentTimeline, 'S').map(function (s) {\n        return parseAttributes$1(s);\n      }),\n      list: segmentList && merge(parseAttributes$1(segmentList), {\n        segmentUrls: segmentUrls,\n        initialization: parseAttributes$1(segmentInitialization)\n      }),\n      base: segmentBase && merge(parseAttributes$1(segmentBase), {\n        initialization: parseAttributes$1(segmentInitialization)\n      })\n    };\n    Object.keys(segmentInfo).forEach(function (key) {\n      if (!segmentInfo[key]) {\n        delete segmentInfo[key];\n      }\n    });\n    return segmentInfo;\n  };\n  /**\n   * Contains Segment information and attributes needed to construct a Playlist object\n   * from a Representation\n   *\n   * @typedef {Object} RepresentationInformation\n   * @property {SegmentInformation} segmentInfo\n   *           Segment information for this Representation\n   * @property {Object} attributes\n   *           Inherited attributes for this Representation\n   */\n\n  /**\n   * Maps a Representation node to an object containing Segment information and attributes\n   *\n   * @name inheritBaseUrlsCallback\n   * @function\n   * @param {Node} representation\n   *        Representation node from the mpd\n   * @return {RepresentationInformation}\n   *         Representation information needed to construct a Playlist object\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping Representation nodes to\n   * Segment information and attributes using inherited BaseURL nodes.\n   *\n   * @param {Object} adaptationSetAttributes\n   *        Contains attributes inherited by the AdaptationSet\n   * @param {string[]} adaptationSetBaseUrls\n   *        Contains list of resolved base urls inherited by the AdaptationSet\n   * @param {SegmentInformation} adaptationSetSegmentInfo\n   *        Contains Segment information for the AdaptationSet\n   * @return {inheritBaseUrlsCallback}\n   *         Callback map function\n   */\n\n\n  var inheritBaseUrls = function inheritBaseUrls(adaptationSetAttributes, adaptationSetBaseUrls, adaptationSetSegmentInfo) {\n    return function (representation) {\n      var repBaseUrlElements = findChildren(representation, 'BaseURL');\n      var repBaseUrls = buildBaseUrls(adaptationSetBaseUrls, repBaseUrlElements);\n      var attributes = merge(adaptationSetAttributes, parseAttributes$1(representation));\n      var representationSegmentInfo = getSegmentInformation(representation);\n      return repBaseUrls.map(function (baseUrl) {\n        return {\n          segmentInfo: merge(adaptationSetSegmentInfo, representationSegmentInfo),\n          attributes: merge(attributes, {\n            baseUrl: baseUrl\n          })\n        };\n      });\n    };\n  };\n  /**\n   * Tranforms a series of content protection nodes to\n   * an object containing pssh data by key system\n   *\n   * @param {Node[]} contentProtectionNodes\n   *        Content protection nodes\n   * @return {Object}\n   *        Object containing pssh data by key system\n   */\n\n\n  var generateKeySystemInformation = function generateKeySystemInformation(contentProtectionNodes) {\n    return contentProtectionNodes.reduce(function (acc, node) {\n      var attributes = parseAttributes$1(node);\n      var keySystem = keySystemsMap[attributes.schemeIdUri];\n\n      if (keySystem) {\n        acc[keySystem] = {\n          attributes: attributes\n        };\n        var psshNode = findChildren(node, 'cenc:pssh')[0];\n\n        if (psshNode) {\n          var pssh = getContent(psshNode);\n          var psshBuffer = pssh && decodeB64ToUint8Array_1(pssh);\n          acc[keySystem].pssh = psshBuffer;\n        }\n      }\n\n      return acc;\n    }, {});\n  };\n  /**\n   * Maps an AdaptationSet node to a list of Representation information objects\n   *\n   * @name toRepresentationsCallback\n   * @function\n   * @param {Node} adaptationSet\n   *        AdaptationSet node from the mpd\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representaion information\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping AdaptationSet nodes to a list of\n   * Representation information objects\n   *\n   * @param {Object} periodAttributes\n   *        Contains attributes inherited by the Period\n   * @param {string[]} periodBaseUrls\n   *        Contains list of resolved base urls inherited by the Period\n   * @param {string[]} periodSegmentInfo\n   *        Contains Segment Information at the period level\n   * @return {toRepresentationsCallback}\n   *         Callback map function\n   */\n\n\n  var toRepresentations = function toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo) {\n    return function (adaptationSet) {\n      var adaptationSetAttributes = parseAttributes$1(adaptationSet);\n      var adaptationSetBaseUrls = buildBaseUrls(periodBaseUrls, findChildren(adaptationSet, 'BaseURL'));\n      var role = findChildren(adaptationSet, 'Role')[0];\n      var roleAttributes = {\n        role: parseAttributes$1(role)\n      };\n      var attrs = merge(periodAttributes, adaptationSetAttributes, roleAttributes);\n      var contentProtection = generateKeySystemInformation(findChildren(adaptationSet, 'ContentProtection'));\n\n      if (Object.keys(contentProtection).length) {\n        attrs = merge(attrs, {\n          contentProtection: contentProtection\n        });\n      }\n\n      var segmentInfo = getSegmentInformation(adaptationSet);\n      var representations = findChildren(adaptationSet, 'Representation');\n      var adaptationSetSegmentInfo = merge(periodSegmentInfo, segmentInfo);\n      return flatten(representations.map(inheritBaseUrls(attrs, adaptationSetBaseUrls, adaptationSetSegmentInfo)));\n    };\n  };\n  /**\n   * Maps an Period node to a list of Representation inforamtion objects for all\n   * AdaptationSet nodes contained within the Period\n   *\n   * @name toAdaptationSetsCallback\n   * @function\n   * @param {Node} period\n   *        Period node from the mpd\n   * @param {number} periodIndex\n   *        Index of the Period within the mpd\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representaion information\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping Period nodes to a list of\n   * Representation information objects\n   *\n   * @param {Object} mpdAttributes\n   *        Contains attributes inherited by the mpd\n   * @param {string[]} mpdBaseUrls\n   *        Contains list of resolved base urls inherited by the mpd\n   * @return {toAdaptationSetsCallback}\n   *         Callback map function\n   */\n\n\n  var toAdaptationSets = function toAdaptationSets(mpdAttributes, mpdBaseUrls) {\n    return function (period, index) {\n      var periodBaseUrls = buildBaseUrls(mpdBaseUrls, findChildren(period, 'BaseURL'));\n      var periodAtt = parseAttributes$1(period);\n      var parsedPeriodId = parseInt(periodAtt.id, 10); // fallback to mapping index if Period@id is not a number\n\n      var periodIndex = window$3.isNaN(parsedPeriodId) ? index : parsedPeriodId;\n      var periodAttributes = merge(mpdAttributes, {\n        periodIndex: periodIndex\n      });\n      var adaptationSets = findChildren(period, 'AdaptationSet');\n      var periodSegmentInfo = getSegmentInformation(period);\n      return flatten(adaptationSets.map(toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo)));\n    };\n  };\n  /**\n   * Traverses the mpd xml tree to generate a list of Representation information objects\n   * that have inherited attributes from parent nodes\n   *\n   * @param {Node} mpd\n   *        The root node of the mpd\n   * @param {Object} options\n   *        Available options for inheritAttributes\n   * @param {string} options.manifestUri\n   *        The uri source of the mpd\n   * @param {number} options.NOW\n   *        Current time per DASH IOP.  Default is current time in ms since epoch\n   * @param {number} options.clientOffset\n   *        Client time difference from NOW (in milliseconds)\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representation information\n   */\n\n\n  var inheritAttributes = function inheritAttributes(mpd, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var _options = options,\n        _options$manifestUri = _options.manifestUri,\n        manifestUri = _options$manifestUri === void 0 ? '' : _options$manifestUri,\n        _options$NOW = _options.NOW,\n        NOW = _options$NOW === void 0 ? Date.now() : _options$NOW,\n        _options$clientOffset = _options.clientOffset,\n        clientOffset = _options$clientOffset === void 0 ? 0 : _options$clientOffset;\n    var periods = findChildren(mpd, 'Period');\n\n    if (!periods.length) {\n      throw new Error(errors.INVALID_NUMBER_OF_PERIOD);\n    }\n\n    var mpdAttributes = parseAttributes$1(mpd);\n    var mpdBaseUrls = buildBaseUrls([manifestUri], findChildren(mpd, 'BaseURL'));\n    mpdAttributes.sourceDuration = mpdAttributes.mediaPresentationDuration || 0;\n    mpdAttributes.NOW = NOW;\n    mpdAttributes.clientOffset = clientOffset;\n    return flatten(periods.map(toAdaptationSets(mpdAttributes, mpdBaseUrls)));\n  };\n\n  var stringToMpdXml = function stringToMpdXml(manifestString) {\n    if (manifestString === '') {\n      throw new Error(errors.DASH_EMPTY_MANIFEST);\n    }\n\n    var parser = new domParser_3();\n    var xml = parser.parseFromString(manifestString, 'application/xml');\n    var mpd = xml && xml.documentElement.tagName === 'MPD' ? xml.documentElement : null;\n\n    if (!mpd || mpd && mpd.getElementsByTagName('parsererror').length > 0) {\n      throw new Error(errors.DASH_INVALID_XML);\n    }\n\n    return mpd;\n  };\n  /**\n   * Parses the manifest for a UTCTiming node, returning the nodes attributes if found\n   *\n   * @param {string} mpd\n   *        XML string of the MPD manifest\n   * @return {Object|null}\n   *         Attributes of UTCTiming node specified in the manifest. Null if none found\n   */\n\n\n  var parseUTCTimingScheme = function parseUTCTimingScheme(mpd) {\n    var UTCTimingNode = findChildren(mpd, 'UTCTiming')[0];\n\n    if (!UTCTimingNode) {\n      return null;\n    }\n\n    var attributes = parseAttributes$1(UTCTimingNode);\n\n    switch (attributes.schemeIdUri) {\n      case 'urn:mpeg:dash:utc:http-head:2014':\n      case 'urn:mpeg:dash:utc:http-head:2012':\n        attributes.method = 'HEAD';\n        break;\n\n      case 'urn:mpeg:dash:utc:http-xsdate:2014':\n      case 'urn:mpeg:dash:utc:http-iso:2014':\n      case 'urn:mpeg:dash:utc:http-xsdate:2012':\n      case 'urn:mpeg:dash:utc:http-iso:2012':\n        attributes.method = 'GET';\n        break;\n\n      case 'urn:mpeg:dash:utc:direct:2014':\n      case 'urn:mpeg:dash:utc:direct:2012':\n        attributes.method = 'DIRECT';\n        attributes.value = Date.parse(attributes.value);\n        break;\n\n      case 'urn:mpeg:dash:utc:http-ntp:2014':\n      case 'urn:mpeg:dash:utc:ntp:2014':\n      case 'urn:mpeg:dash:utc:sntp:2014':\n      default:\n        throw new Error(errors.UNSUPPORTED_UTC_TIMING_SCHEME);\n    }\n\n    return attributes;\n  };\n\n  var parse = function parse(manifestString, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    return toM3u8(toPlaylists(inheritAttributes(stringToMpdXml(manifestString), options)), options.sidxMapping);\n  };\n  /**\n   * Parses the manifest for a UTCTiming node, returning the nodes attributes if found\n   *\n   * @param {string} manifestString\n   *        XML string of the MPD manifest\n   * @return {Object|null}\n   *         Attributes of UTCTiming node specified in the manifest. Null if none found\n   */\n\n\n  var parseUTCTiming = function parseUTCTiming(manifestString) {\n    return parseUTCTimingScheme(stringToMpdXml(manifestString));\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n  var toUnsigned = function toUnsigned(value) {\n    return value >>> 0;\n  };\n\n  var toHexString = function toHexString(value) {\n    return ('00' + value.toString(16)).slice(-2);\n  };\n\n  var bin = {\n    toUnsigned: toUnsigned,\n    toHexString: toHexString\n  };\n\n  var inspectMp4,\n      _textifyMp,\n      toUnsigned$1 = bin.toUnsigned,\n      parseMp4Date = function parseMp4Date(seconds) {\n    return new Date(seconds * 1000 - 2082844800000);\n  },\n      parseSampleFlags = function parseSampleFlags(flags) {\n    return {\n      isLeading: (flags[0] & 0x0c) >>> 2,\n      dependsOn: flags[0] & 0x03,\n      isDependedOn: (flags[1] & 0xc0) >>> 6,\n      hasRedundancy: (flags[1] & 0x30) >>> 4,\n      paddingValue: (flags[1] & 0x0e) >>> 1,\n      isNonSyncSample: flags[1] & 0x01,\n      degradationPriority: flags[2] << 8 | flags[3]\n    };\n  },\n\n  /**\n   * Returns the string representation of an ASCII encoded four byte buffer.\n   * @param buffer {Uint8Array} a four-byte buffer to translate\n   * @return {string} the corresponding string\n   */\n  parseType = function parseType(buffer) {\n    var result = '';\n    result += String.fromCharCode(buffer[0]);\n    result += String.fromCharCode(buffer[1]);\n    result += String.fromCharCode(buffer[2]);\n    result += String.fromCharCode(buffer[3]);\n    return result;\n  },\n      // Find the data for a box specified by its path\n  findBox = function findBox(data, path) {\n    var results = [],\n        i,\n        size,\n        type,\n        end,\n        subresults;\n\n    if (!path.length) {\n      // short-circuit the search for empty paths\n      return null;\n    }\n\n    for (i = 0; i < data.byteLength;) {\n      size = toUnsigned$1(data[i] << 24 | data[i + 1] << 16 | data[i + 2] << 8 | data[i + 3]);\n      type = parseType(data.subarray(i + 4, i + 8));\n      end = size > 1 ? i + size : data.byteLength;\n\n      if (type === path[0]) {\n        if (path.length === 1) {\n          // this is the end of the path and we've found the box we were\n          // looking for\n          results.push(data.subarray(i + 8, end));\n        } else {\n          // recursively search for the next box along the path\n          subresults = findBox(data.subarray(i + 8, end), path.slice(1));\n\n          if (subresults.length) {\n            results = results.concat(subresults);\n          }\n        }\n      }\n\n      i = end;\n    } // we've finished searching all of data\n\n\n    return results;\n  },\n      nalParse = function nalParse(avcStream) {\n    var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),\n        result = [],\n        i,\n        length;\n\n    for (i = 0; i + 4 < avcStream.length; i += length) {\n      length = avcView.getUint32(i);\n      i += 4; // bail if this doesn't appear to be an H264 stream\n\n      if (length <= 0) {\n        result.push('<span style=\\'color:red;\\'>MALFORMED DATA</span>');\n        continue;\n      }\n\n      switch (avcStream[i] & 0x1F) {\n        case 0x01:\n          result.push('slice_layer_without_partitioning_rbsp');\n          break;\n\n        case 0x05:\n          result.push('slice_layer_without_partitioning_rbsp_idr');\n          break;\n\n        case 0x06:\n          result.push('sei_rbsp');\n          break;\n\n        case 0x07:\n          result.push('seq_parameter_set_rbsp');\n          break;\n\n        case 0x08:\n          result.push('pic_parameter_set_rbsp');\n          break;\n\n        case 0x09:\n          result.push('access_unit_delimiter_rbsp');\n          break;\n\n        default:\n          result.push('UNKNOWN NAL - ' + avcStream[i] & 0x1F);\n          break;\n      }\n    }\n\n    return result;\n  },\n      // registry of handlers for individual mp4 box types\n  parse$1 = {\n    // codingname, not a first-class box type. stsd entries share the\n    // same format as real boxes so the parsing infrastructure can be\n    // shared\n    avc1: function avc1(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        dataReferenceIndex: view.getUint16(6),\n        width: view.getUint16(24),\n        height: view.getUint16(26),\n        horizresolution: view.getUint16(28) + view.getUint16(30) / 16,\n        vertresolution: view.getUint16(32) + view.getUint16(34) / 16,\n        frameCount: view.getUint16(40),\n        depth: view.getUint16(74),\n        config: inspectMp4(data.subarray(78, data.byteLength))\n      };\n    },\n    avcC: function avcC(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        configurationVersion: data[0],\n        avcProfileIndication: data[1],\n        profileCompatibility: data[2],\n        avcLevelIndication: data[3],\n        lengthSizeMinusOne: data[4] & 0x03,\n        sps: [],\n        pps: []\n      },\n          numOfSequenceParameterSets = data[5] & 0x1f,\n          numOfPictureParameterSets,\n          nalSize,\n          offset,\n          i; // iterate past any SPSs\n\n      offset = 6;\n\n      for (i = 0; i < numOfSequenceParameterSets; i++) {\n        nalSize = view.getUint16(offset);\n        offset += 2;\n        result.sps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));\n        offset += nalSize;\n      } // iterate past any PPSs\n\n\n      numOfPictureParameterSets = data[offset];\n      offset++;\n\n      for (i = 0; i < numOfPictureParameterSets; i++) {\n        nalSize = view.getUint16(offset);\n        offset += 2;\n        result.pps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));\n        offset += nalSize;\n      }\n\n      return result;\n    },\n    btrt: function btrt(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        bufferSizeDB: view.getUint32(0),\n        maxBitrate: view.getUint32(4),\n        avgBitrate: view.getUint32(8)\n      };\n    },\n    esds: function esds(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        esId: data[6] << 8 | data[7],\n        streamPriority: data[8] & 0x1f,\n        decoderConfig: {\n          objectProfileIndication: data[11],\n          streamType: data[12] >>> 2 & 0x3f,\n          bufferSize: data[13] << 16 | data[14] << 8 | data[15],\n          maxBitrate: data[16] << 24 | data[17] << 16 | data[18] << 8 | data[19],\n          avgBitrate: data[20] << 24 | data[21] << 16 | data[22] << 8 | data[23],\n          decoderConfigDescriptor: {\n            tag: data[24],\n            length: data[25],\n            audioObjectType: data[26] >>> 3 & 0x1f,\n            samplingFrequencyIndex: (data[26] & 0x07) << 1 | data[27] >>> 7 & 0x01,\n            channelConfiguration: data[27] >>> 3 & 0x0f\n          }\n        }\n      };\n    },\n    ftyp: function ftyp(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        majorBrand: parseType(data.subarray(0, 4)),\n        minorVersion: view.getUint32(4),\n        compatibleBrands: []\n      },\n          i = 8;\n\n      while (i < data.byteLength) {\n        result.compatibleBrands.push(parseType(data.subarray(i, i + 4)));\n        i += 4;\n      }\n\n      return result;\n    },\n    dinf: function dinf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    dref: function dref(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        dataReferences: inspectMp4(data.subarray(8))\n      };\n    },\n    hdlr: function hdlr(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        handlerType: parseType(data.subarray(8, 12)),\n        name: ''\n      },\n          i = 8; // parse out the name field\n\n      for (i = 24; i < data.byteLength; i++) {\n        if (data[i] === 0x00) {\n          // the name field is null-terminated\n          i++;\n          break;\n        }\n\n        result.name += String.fromCharCode(data[i]);\n      } // decode UTF-8 to javascript's internal representation\n      // see http://ecmanaut.blogspot.com/2006/07/encoding-decoding-utf8-in-javascript.html\n\n\n      result.name = decodeURIComponent(escape(result.name));\n      return result;\n    },\n    mdat: function mdat(data) {\n      return {\n        byteLength: data.byteLength,\n        nals: nalParse(data)\n      };\n    },\n    mdhd: function mdhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          language,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        language: ''\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4; // language is stored as an ISO-639-2/T code in an array of three 5-bit fields\n      // each field is the packed difference between its ASCII value and 0x60\n\n      language = view.getUint16(i);\n      result.language += String.fromCharCode((language >> 10) + 0x60);\n      result.language += String.fromCharCode(((language & 0x03e0) >> 5) + 0x60);\n      result.language += String.fromCharCode((language & 0x1f) + 0x60);\n      return result;\n    },\n    mdia: function mdia(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mfhd: function mfhd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sequenceNumber: data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7]\n      };\n    },\n    minf: function minf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    // codingname, not a first-class box type. stsd entries share the\n    // same format as real boxes so the parsing infrastructure can be\n    // shared\n    mp4a: function mp4a(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        // 6 bytes reserved\n        dataReferenceIndex: view.getUint16(6),\n        // 4 + 4 bytes reserved\n        channelcount: view.getUint16(16),\n        samplesize: view.getUint16(18),\n        // 2 bytes pre_defined\n        // 2 bytes reserved\n        samplerate: view.getUint16(24) + view.getUint16(26) / 65536\n      }; // if there are more bytes to process, assume this is an ISO/IEC\n      // 14496-14 MP4AudioSampleEntry and parse the ESDBox\n\n      if (data.byteLength > 28) {\n        result.streamDescriptor = inspectMp4(data.subarray(28))[0];\n      }\n\n      return result;\n    },\n    moof: function moof(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    moov: function moov(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mvex: function mvex(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mvhd: function mvhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4; // convert fixed-point, base 16 back to a number\n\n      result.rate = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      i += 4;\n      result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;\n      i += 2;\n      i += 2;\n      i += 2 * 4;\n      result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));\n      i += 9 * 4;\n      i += 6 * 4;\n      result.nextTrackId = view.getUint32(i);\n      return result;\n    },\n    pdin: function pdin(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        rate: view.getUint32(4),\n        initialDelay: view.getUint32(8)\n      };\n    },\n    sdtp: function sdtp(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        samples: []\n      },\n          i;\n\n      for (i = 4; i < data.byteLength; i++) {\n        result.samples.push({\n          dependsOn: (data[i] & 0x30) >> 4,\n          isDependedOn: (data[i] & 0x0c) >> 2,\n          hasRedundancy: data[i] & 0x03\n        });\n      }\n\n      return result;\n    },\n    sidx: function sidx(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        references: [],\n        referenceId: view.getUint32(4),\n        timescale: view.getUint32(8),\n        earliestPresentationTime: view.getUint32(12),\n        firstOffset: view.getUint32(16)\n      },\n          referenceCount = view.getUint16(22),\n          i;\n\n      for (i = 24; referenceCount; i += 12, referenceCount--) {\n        result.references.push({\n          referenceType: (data[i] & 0x80) >>> 7,\n          referencedSize: view.getUint32(i) & 0x7FFFFFFF,\n          subsegmentDuration: view.getUint32(i + 4),\n          startsWithSap: !!(data[i + 8] & 0x80),\n          sapType: (data[i + 8] & 0x70) >>> 4,\n          sapDeltaTime: view.getUint32(i + 8) & 0x0FFFFFFF\n        });\n      }\n\n      return result;\n    },\n    smhd: function smhd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        balance: data[4] + data[5] / 256\n      };\n    },\n    stbl: function stbl(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    stco: function stco(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        chunkOffsets: []\n      },\n          entryCount = view.getUint32(4),\n          i;\n\n      for (i = 8; entryCount; i += 4, entryCount--) {\n        result.chunkOffsets.push(view.getUint32(i));\n      }\n\n      return result;\n    },\n    stsc: function stsc(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          entryCount = view.getUint32(4),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleToChunks: []\n      },\n          i;\n\n      for (i = 8; entryCount; i += 12, entryCount--) {\n        result.sampleToChunks.push({\n          firstChunk: view.getUint32(i),\n          samplesPerChunk: view.getUint32(i + 4),\n          sampleDescriptionIndex: view.getUint32(i + 8)\n        });\n      }\n\n      return result;\n    },\n    stsd: function stsd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleDescriptions: inspectMp4(data.subarray(8))\n      };\n    },\n    stsz: function stsz(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleSize: view.getUint32(4),\n        entries: []\n      },\n          i;\n\n      for (i = 12; i < data.byteLength; i += 4) {\n        result.entries.push(view.getUint32(i));\n      }\n\n      return result;\n    },\n    stts: function stts(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        timeToSamples: []\n      },\n          entryCount = view.getUint32(4),\n          i;\n\n      for (i = 8; entryCount; i += 8, entryCount--) {\n        result.timeToSamples.push({\n          sampleCount: view.getUint32(i),\n          sampleDelta: view.getUint32(i + 4)\n        });\n      }\n\n      return result;\n    },\n    styp: function styp(data) {\n      return parse$1.ftyp(data);\n    },\n    tfdt: function tfdt(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        baseMediaDecodeTime: toUnsigned$1(data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7])\n      };\n\n      if (result.version === 1) {\n        result.baseMediaDecodeTime *= Math.pow(2, 32);\n        result.baseMediaDecodeTime += toUnsigned$1(data[8] << 24 | data[9] << 16 | data[10] << 8 | data[11]);\n      }\n\n      return result;\n    },\n    tfhd: function tfhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        trackId: view.getUint32(4)\n      },\n          baseDataOffsetPresent = result.flags[2] & 0x01,\n          sampleDescriptionIndexPresent = result.flags[2] & 0x02,\n          defaultSampleDurationPresent = result.flags[2] & 0x08,\n          defaultSampleSizePresent = result.flags[2] & 0x10,\n          defaultSampleFlagsPresent = result.flags[2] & 0x20,\n          durationIsEmpty = result.flags[0] & 0x010000,\n          defaultBaseIsMoof = result.flags[0] & 0x020000,\n          i;\n      i = 8;\n\n      if (baseDataOffsetPresent) {\n        i += 4; // truncate top 4 bytes\n        // FIXME: should we read the full 64 bits?\n\n        result.baseDataOffset = view.getUint32(12);\n        i += 4;\n      }\n\n      if (sampleDescriptionIndexPresent) {\n        result.sampleDescriptionIndex = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleDurationPresent) {\n        result.defaultSampleDuration = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleSizePresent) {\n        result.defaultSampleSize = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleFlagsPresent) {\n        result.defaultSampleFlags = view.getUint32(i);\n      }\n\n      if (durationIsEmpty) {\n        result.durationIsEmpty = true;\n      }\n\n      if (!baseDataOffsetPresent && defaultBaseIsMoof) {\n        result.baseDataOffsetIsMoof = true;\n      }\n\n      return result;\n    },\n    tkhd: function tkhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.trackId = view.getUint32(i);\n        i += 4;\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.trackId = view.getUint32(i);\n        i += 4;\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4;\n      i += 2 * 4;\n      result.layer = view.getUint16(i);\n      i += 2;\n      result.alternateGroup = view.getUint16(i);\n      i += 2; // convert fixed-point, base 16 back to a number\n\n      result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;\n      i += 2;\n      i += 2;\n      result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));\n      i += 9 * 4;\n      result.width = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      i += 4;\n      result.height = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      return result;\n    },\n    traf: function traf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    trak: function trak(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    trex: function trex(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        trackId: view.getUint32(4),\n        defaultSampleDescriptionIndex: view.getUint32(8),\n        defaultSampleDuration: view.getUint32(12),\n        defaultSampleSize: view.getUint32(16),\n        sampleDependsOn: data[20] & 0x03,\n        sampleIsDependedOn: (data[21] & 0xc0) >> 6,\n        sampleHasRedundancy: (data[21] & 0x30) >> 4,\n        samplePaddingValue: (data[21] & 0x0e) >> 1,\n        sampleIsDifferenceSample: !!(data[21] & 0x01),\n        sampleDegradationPriority: view.getUint16(22)\n      };\n    },\n    trun: function trun(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        samples: []\n      },\n          view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          // Flag interpretation\n      dataOffsetPresent = result.flags[2] & 0x01,\n          // compare with 2nd byte of 0x1\n      firstSampleFlagsPresent = result.flags[2] & 0x04,\n          // compare with 2nd byte of 0x4\n      sampleDurationPresent = result.flags[1] & 0x01,\n          // compare with 2nd byte of 0x100\n      sampleSizePresent = result.flags[1] & 0x02,\n          // compare with 2nd byte of 0x200\n      sampleFlagsPresent = result.flags[1] & 0x04,\n          // compare with 2nd byte of 0x400\n      sampleCompositionTimeOffsetPresent = result.flags[1] & 0x08,\n          // compare with 2nd byte of 0x800\n      sampleCount = view.getUint32(4),\n          offset = 8,\n          sample;\n\n      if (dataOffsetPresent) {\n        // 32 bit signed integer\n        result.dataOffset = view.getInt32(offset);\n        offset += 4;\n      } // Overrides the flags for the first sample only. The order of\n      // optional values will be: duration, size, compositionTimeOffset\n\n\n      if (firstSampleFlagsPresent && sampleCount) {\n        sample = {\n          flags: parseSampleFlags(data.subarray(offset, offset + 4))\n        };\n        offset += 4;\n\n        if (sampleDurationPresent) {\n          sample.duration = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleSizePresent) {\n          sample.size = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleCompositionTimeOffsetPresent) {\n          // Note: this should be a signed int if version is 1\n          sample.compositionTimeOffset = view.getUint32(offset);\n          offset += 4;\n        }\n\n        result.samples.push(sample);\n        sampleCount--;\n      }\n\n      while (sampleCount--) {\n        sample = {};\n\n        if (sampleDurationPresent) {\n          sample.duration = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleSizePresent) {\n          sample.size = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleFlagsPresent) {\n          sample.flags = parseSampleFlags(data.subarray(offset, offset + 4));\n          offset += 4;\n        }\n\n        if (sampleCompositionTimeOffsetPresent) {\n          // Note: this should be a signed int if version is 1\n          sample.compositionTimeOffset = view.getUint32(offset);\n          offset += 4;\n        }\n\n        result.samples.push(sample);\n      }\n\n      return result;\n    },\n    'url ': function url(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n    },\n    vmhd: function vmhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        graphicsmode: view.getUint16(4),\n        opcolor: new Uint16Array([view.getUint16(6), view.getUint16(8), view.getUint16(10)])\n      };\n    }\n  };\n  /**\n   * Return a javascript array of box objects parsed from an ISO base\n   * media file.\n   * @param data {Uint8Array} the binary data of the media to be inspected\n   * @return {array} a javascript array of potentially nested box objects\n   */\n\n\n  inspectMp4 = function inspectMp4(data) {\n    var i = 0,\n        result = [],\n        view,\n        size,\n        type,\n        end,\n        box; // Convert data from Uint8Array to ArrayBuffer, to follow Dataview API\n\n    var ab = new ArrayBuffer(data.length);\n    var v = new Uint8Array(ab);\n\n    for (var z = 0; z < data.length; ++z) {\n      v[z] = data[z];\n    }\n\n    view = new DataView(ab);\n\n    while (i < data.byteLength) {\n      // parse box data\n      size = view.getUint32(i);\n      type = parseType(data.subarray(i + 4, i + 8));\n      end = size > 1 ? i + size : data.byteLength; // parse type-specific data\n\n      box = (parse$1[type] || function (data) {\n        return {\n          data: data\n        };\n      })(data.subarray(i + 8, end));\n\n      box.size = size;\n      box.type = type; // store this box and move to the next\n\n      result.push(box);\n      i = end;\n    }\n\n    return result;\n  };\n  /**\n   * Returns a textual representation of the javascript represtentation\n   * of an MP4 file. You can use it as an alternative to\n   * JSON.stringify() to compare inspected MP4s.\n   * @param inspectedMp4 {array} the parsed array of boxes in an MP4\n   * file\n   * @param depth {number} (optional) the number of ancestor boxes of\n   * the elements of inspectedMp4. Assumed to be zero if unspecified.\n   * @return {string} a text representation of the parsed MP4\n   */\n\n\n  _textifyMp = function textifyMp4(inspectedMp4, depth) {\n    var indent;\n    depth = depth || 0;\n    indent = new Array(depth * 2 + 1).join(' '); // iterate over all the boxes\n\n    return inspectedMp4.map(function (box, index) {\n      // list the box type first at the current indentation level\n      return indent + box.type + '\\n' + // the type is already included and handle child boxes separately\n      Object.keys(box).filter(function (key) {\n        return key !== 'type' && key !== 'boxes'; // output all the box properties\n      }).map(function (key) {\n        var prefix = indent + '  ' + key + ': ',\n            value = box[key]; // print out raw bytes as hexademical\n\n        if (value instanceof Uint8Array || value instanceof Uint32Array) {\n          var bytes = Array.prototype.slice.call(new Uint8Array(value.buffer, value.byteOffset, value.byteLength)).map(function (_byte) {\n            return ' ' + ('00' + _byte.toString(16)).slice(-2);\n          }).join('').match(/.{1,24}/g);\n\n          if (!bytes) {\n            return prefix + '<>';\n          }\n\n          if (bytes.length === 1) {\n            return prefix + '<' + bytes.join('').slice(1) + '>';\n          }\n\n          return prefix + '<\\n' + bytes.map(function (line) {\n            return indent + '  ' + line;\n          }).join('\\n') + '\\n' + indent + '  >';\n        } // stringify generic objects\n\n\n        return prefix + JSON.stringify(value, null, 2).split('\\n').map(function (line, index) {\n          if (index === 0) {\n            return line;\n          }\n\n          return indent + '  ' + line;\n        }).join('\\n');\n      }).join('\\n') + ( // recursively textify the child boxes\n      box.boxes ? '\\n' + _textifyMp(box.boxes, depth + 1) : '');\n    }).join('\\n');\n  };\n\n  var mp4Inspector = {\n    inspect: inspectMp4,\n    textify: _textifyMp,\n    parseType: parseType,\n    findBox: findBox,\n    parseTraf: parse$1.traf,\n    parseTfdt: parse$1.tfdt,\n    parseHdlr: parse$1.hdlr,\n    parseTfhd: parse$1.tfhd,\n    parseTrun: parse$1.trun,\n    parseSidx: parse$1.sidx\n  };\n\n  var toUnsigned$2 = bin.toUnsigned;\n  var toHexString$1 = bin.toHexString;\n  var timescale, startTime, compositionStartTime, getVideoTrackIds, getTracks;\n  /**\n   * Parses an MP4 initialization segment and extracts the timescale\n   * values for any declared tracks. Timescale values indicate the\n   * number of clock ticks per second to assume for time-based values\n   * elsewhere in the MP4.\n   *\n   * To determine the start time of an MP4, you need two pieces of\n   * information: the timescale unit and the earliest base media decode\n   * time. Multiple timescales can be specified within an MP4 but the\n   * base media decode time is always expressed in the timescale from\n   * the media header box for the track:\n   * ```\n   * moov > trak > mdia > mdhd.timescale\n   * ```\n   * @param init {Uint8Array} the bytes of the init segment\n   * @return {object} a hash of track ids to timescale values or null if\n   * the init segment is malformed.\n   */\n\n  timescale = function timescale(init) {\n    var result = {},\n        traks = mp4Inspector.findBox(init, ['moov', 'trak']); // mdhd timescale\n\n    return traks.reduce(function (result, trak) {\n      var tkhd, version, index, id, mdhd;\n      tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];\n\n      if (!tkhd) {\n        return null;\n      }\n\n      version = tkhd[0];\n      index = version === 0 ? 12 : 20;\n      id = toUnsigned$2(tkhd[index] << 24 | tkhd[index + 1] << 16 | tkhd[index + 2] << 8 | tkhd[index + 3]);\n      mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];\n\n      if (!mdhd) {\n        return null;\n      }\n\n      version = mdhd[0];\n      index = version === 0 ? 12 : 20;\n      result[id] = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);\n      return result;\n    }, result);\n  };\n  /**\n   * Determine the base media decode start time, in seconds, for an MP4\n   * fragment. If multiple fragments are specified, the earliest time is\n   * returned.\n   *\n   * The base media decode time can be parsed from track fragment\n   * metadata:\n   * ```\n   * moof > traf > tfdt.baseMediaDecodeTime\n   * ```\n   * It requires the timescale value from the mdhd to interpret.\n   *\n   * @param timescale {object} a hash of track ids to timescale values.\n   * @return {number} the earliest base media decode start time for the\n   * fragment, in seconds\n   */\n\n\n  startTime = function startTime(timescale, fragment) {\n    var trafs, baseTimes, result; // we need info from two childrend of each track fragment box\n\n    trafs = mp4Inspector.findBox(fragment, ['moof', 'traf']); // determine the start times for each track\n\n    baseTimes = [].concat.apply([], trafs.map(function (traf) {\n      return mp4Inspector.findBox(traf, ['tfhd']).map(function (tfhd) {\n        var id, scale, baseTime; // get the track id from the tfhd\n\n        id = toUnsigned$2(tfhd[4] << 24 | tfhd[5] << 16 | tfhd[6] << 8 | tfhd[7]); // assume a 90kHz clock if no timescale was specified\n\n        scale = timescale[id] || 90e3; // get the base media decode time from the tfdt\n\n        baseTime = mp4Inspector.findBox(traf, ['tfdt']).map(function (tfdt) {\n          var version, result;\n          version = tfdt[0];\n          result = toUnsigned$2(tfdt[4] << 24 | tfdt[5] << 16 | tfdt[6] << 8 | tfdt[7]);\n\n          if (version === 1) {\n            result *= Math.pow(2, 32);\n            result += toUnsigned$2(tfdt[8] << 24 | tfdt[9] << 16 | tfdt[10] << 8 | tfdt[11]);\n          }\n\n          return result;\n        })[0];\n        baseTime = baseTime || Infinity; // convert base time to seconds\n\n        return baseTime / scale;\n      });\n    })); // return the minimum\n\n    result = Math.min.apply(null, baseTimes);\n    return isFinite(result) ? result : 0;\n  };\n  /**\n   * Determine the composition start, in seconds, for an MP4\n   * fragment.\n   *\n   * The composition start time of a fragment can be calculated using the base\n   * media decode time, composition time offset, and timescale, as follows:\n   *\n   * compositionStartTime = (baseMediaDecodeTime + compositionTimeOffset) / timescale\n   *\n   * All of the aforementioned information is contained within a media fragment's\n   * `traf` box, except for timescale info, which comes from the initialization\n   * segment, so a track id (also contained within a `traf`) is also necessary to\n   * associate it with a timescale\n   *\n   *\n   * @param timescales {object} - a hash of track ids to timescale values.\n   * @param fragment {Unit8Array} - the bytes of a media segment\n   * @return {number} the composition start time for the fragment, in seconds\n   **/\n\n\n  compositionStartTime = function compositionStartTime(timescales, fragment) {\n    var trafBoxes = mp4Inspector.findBox(fragment, ['moof', 'traf']);\n    var baseMediaDecodeTime = 0;\n    var compositionTimeOffset = 0;\n    var trackId;\n\n    if (trafBoxes && trafBoxes.length) {\n      // The spec states that track run samples contained within a `traf` box are contiguous, but\n      // it does not explicitly state whether the `traf` boxes themselves are contiguous.\n      // We will assume that they are, so we only need the first to calculate start time.\n      var parsedTraf = mp4Inspector.parseTraf(trafBoxes[0]);\n\n      for (var i = 0; i < parsedTraf.boxes.length; i++) {\n        if (parsedTraf.boxes[i].type === 'tfhd') {\n          trackId = parsedTraf.boxes[i].trackId;\n        } else if (parsedTraf.boxes[i].type === 'tfdt') {\n          baseMediaDecodeTime = parsedTraf.boxes[i].baseMediaDecodeTime;\n        } else if (parsedTraf.boxes[i].type === 'trun' && parsedTraf.boxes[i].samples.length) {\n          compositionTimeOffset = parsedTraf.boxes[i].samples[0].compositionTimeOffset || 0;\n        }\n      }\n    } // Get timescale for this specific track. Assume a 90kHz clock if no timescale was\n    // specified.\n\n\n    var timescale = timescales[trackId] || 90e3; // return the composition start time, in seconds\n\n    return (baseMediaDecodeTime + compositionTimeOffset) / timescale;\n  };\n  /**\n    * Find the trackIds of the video tracks in this source.\n    * Found by parsing the Handler Reference and Track Header Boxes:\n    *   moov > trak > mdia > hdlr\n    *   moov > trak > tkhd\n    *\n    * @param {Uint8Array} init - The bytes of the init segment for this source\n    * @return {Number[]} A list of trackIds\n    *\n    * @see ISO-BMFF-12/2015, Section 8.4.3\n   **/\n\n\n  getVideoTrackIds = function getVideoTrackIds(init) {\n    var traks = mp4Inspector.findBox(init, ['moov', 'trak']);\n    var videoTrackIds = [];\n    traks.forEach(function (trak) {\n      var hdlrs = mp4Inspector.findBox(trak, ['mdia', 'hdlr']);\n      var tkhds = mp4Inspector.findBox(trak, ['tkhd']);\n      hdlrs.forEach(function (hdlr, index) {\n        var handlerType = mp4Inspector.parseType(hdlr.subarray(8, 12));\n        var tkhd = tkhds[index];\n        var view;\n        var version;\n        var trackId;\n\n        if (handlerType === 'vide') {\n          view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);\n          version = view.getUint8(0);\n          trackId = version === 0 ? view.getUint32(12) : view.getUint32(20);\n          videoTrackIds.push(trackId);\n        }\n      });\n    });\n    return videoTrackIds;\n  };\n  /**\n   * Get all the video, audio, and hint tracks from a non fragmented\n   * mp4 segment\n   */\n\n\n  getTracks = function getTracks(init) {\n    var traks = mp4Inspector.findBox(init, ['moov', 'trak']);\n    var tracks = [];\n    traks.forEach(function (trak) {\n      var track = {};\n      var tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];\n      var view, version; // id\n\n      if (tkhd) {\n        view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);\n        version = view.getUint8(0);\n        track.id = version === 0 ? view.getUint32(12) : view.getUint32(20);\n      }\n\n      var hdlr = mp4Inspector.findBox(trak, ['mdia', 'hdlr'])[0]; // type\n\n      if (hdlr) {\n        var type = mp4Inspector.parseType(hdlr.subarray(8, 12));\n\n        if (type === 'vide') {\n          track.type = 'video';\n        } else if (type === 'soun') {\n          track.type = 'audio';\n        } else {\n          track.type = type;\n        }\n      } // codec\n\n\n      var stsd = mp4Inspector.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd'])[0];\n\n      if (stsd) {\n        var sampleDescriptions = stsd.subarray(8); // gives the codec type string\n\n        track.codec = mp4Inspector.parseType(sampleDescriptions.subarray(4, 8));\n        var codecBox = mp4Inspector.findBox(sampleDescriptions, [track.codec])[0];\n        var codecConfig, codecConfigType;\n\n        if (codecBox) {\n          // https://tools.ietf.org/html/rfc6381#section-3.3\n          if (/^[a-z]vc[1-9]$/i.test(track.codec)) {\n            // we don't need anything but the \"config\" parameter of the\n            // avc1 codecBox\n            codecConfig = codecBox.subarray(78);\n            codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));\n\n            if (codecConfigType === 'avcC' && codecConfig.length > 11) {\n              track.codec += '.'; // left padded with zeroes for single digit hex\n              // profile idc\n\n              track.codec += toHexString$1(codecConfig[9]); // the byte containing the constraint_set flags\n\n              track.codec += toHexString$1(codecConfig[10]); // level idc\n\n              track.codec += toHexString$1(codecConfig[11]);\n            } else {\n              // TODO: show a warning that we couldn't parse the codec\n              // and are using the default\n              track.codec = 'avc1.4d400d';\n            }\n          } else if (/^mp4[a,v]$/i.test(track.codec)) {\n            // we do not need anything but the streamDescriptor of the mp4a codecBox\n            codecConfig = codecBox.subarray(28);\n            codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));\n\n            if (codecConfigType === 'esds' && codecConfig.length > 20 && codecConfig[19] !== 0) {\n              track.codec += '.' + toHexString$1(codecConfig[19]); // this value is only a single digit\n\n              track.codec += '.' + toHexString$1(codecConfig[20] >>> 2 & 0x3f).replace(/^0/, '');\n            } else {\n              // TODO: show a warning that we couldn't parse the codec\n              // and are using the default\n              track.codec = 'mp4a.40.2';\n            }\n          }\n        }\n      }\n\n      var mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];\n\n      if (mdhd && tkhd) {\n        var index = version === 0 ? 12 : 20;\n        track.timescale = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);\n      }\n\n      tracks.push(track);\n    });\n    return tracks;\n  };\n\n  var probe = {\n    // export mp4 inspector's findBox and parseType for backwards compatibility\n    findBox: mp4Inspector.findBox,\n    parseType: mp4Inspector.parseType,\n    timescale: timescale,\n    startTime: startTime,\n    compositionStartTime: compositionStartTime,\n    videoTrackIds: getVideoTrackIds,\n    tracks: getTracks\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * Reads in-band caption information from a video elementary\n   * stream. Captions must follow the CEA-708 standard for injection\n   * into an MPEG-2 transport streams.\n   * @see https://en.wikipedia.org/wiki/CEA-708\n   * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf\n   */\n  // payload type field to indicate how they are to be\n  // interpreted. CEAS-708 caption content is always transmitted with\n  // payload type 0x04.\n\n  var USER_DATA_REGISTERED_ITU_T_T35 = 4,\n      RBSP_TRAILING_BITS = 128;\n  /**\n    * Parse a supplemental enhancement information (SEI) NAL unit.\n    * Stops parsing once a message of type ITU T T35 has been found.\n    *\n    * @param bytes {Uint8Array} the bytes of a SEI NAL unit\n    * @return {object} the parsed SEI payload\n    * @see Rec. ITU-T H.264, 7.3.2.3.1\n    */\n\n  var parseSei = function parseSei(bytes) {\n    var i = 0,\n        result = {\n      payloadType: -1,\n      payloadSize: 0\n    },\n        payloadType = 0,\n        payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message\n\n    while (i < bytes.byteLength) {\n      // stop once we have hit the end of the sei_rbsp\n      if (bytes[i] === RBSP_TRAILING_BITS) {\n        break;\n      } // Parse payload type\n\n\n      while (bytes[i] === 0xFF) {\n        payloadType += 255;\n        i++;\n      }\n\n      payloadType += bytes[i++]; // Parse payload size\n\n      while (bytes[i] === 0xFF) {\n        payloadSize += 255;\n        i++;\n      }\n\n      payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break\n      // there can only ever be one caption message in a frame's sei\n\n      if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {\n        result.payloadType = payloadType;\n        result.payloadSize = payloadSize;\n        result.payload = bytes.subarray(i, i + payloadSize);\n        break;\n      } // skip the payload and parse the next message\n\n\n      i += payloadSize;\n      payloadType = 0;\n      payloadSize = 0;\n    }\n\n    return result;\n  }; // see ANSI/SCTE 128-1 (2013), section 8.1\n\n\n  var parseUserData = function parseUserData(sei) {\n    // itu_t_t35_contry_code must be 181 (United States) for\n    // captions\n    if (sei.payload[0] !== 181) {\n      return null;\n    } // itu_t_t35_provider_code should be 49 (ATSC) for captions\n\n\n    if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {\n      return null;\n    } // the user_identifier should be \"GA94\" to indicate ATSC1 data\n\n\n    if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {\n      return null;\n    } // finally, user_data_type_code should be 0x03 for caption data\n\n\n    if (sei.payload[7] !== 0x03) {\n      return null;\n    } // return the user_data_type_structure and strip the trailing\n    // marker bits\n\n\n    return sei.payload.subarray(8, sei.payload.length - 1);\n  }; // see CEA-708-D, section 4.4\n\n\n  var parseCaptionPackets = function parseCaptionPackets(pts, userData) {\n    var results = [],\n        i,\n        count,\n        offset,\n        data; // if this is just filler, return immediately\n\n    if (!(userData[0] & 0x40)) {\n      return results;\n    } // parse out the cc_data_1 and cc_data_2 fields\n\n\n    count = userData[0] & 0x1f;\n\n    for (i = 0; i < count; i++) {\n      offset = i * 3;\n      data = {\n        type: userData[offset + 2] & 0x03,\n        pts: pts\n      }; // capture cc data when cc_valid is 1\n\n      if (userData[offset + 2] & 0x04) {\n        data.ccData = userData[offset + 3] << 8 | userData[offset + 4];\n        results.push(data);\n      }\n    }\n\n    return results;\n  };\n\n  var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n    var length = data.byteLength,\n        emulationPreventionBytesPositions = [],\n        i = 1,\n        newLength,\n        newData; // Find all `Emulation Prevention Bytes`\n\n    while (i < length - 2) {\n      if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n        emulationPreventionBytesPositions.push(i + 2);\n        i += 2;\n      } else {\n        i++;\n      }\n    } // If no Emulation Prevention Bytes were found just return the original\n    // array\n\n\n    if (emulationPreventionBytesPositions.length === 0) {\n      return data;\n    } // Create a new array to hold the NAL unit data\n\n\n    newLength = length - emulationPreventionBytesPositions.length;\n    newData = new Uint8Array(newLength);\n    var sourceIndex = 0;\n\n    for (i = 0; i < newLength; sourceIndex++, i++) {\n      if (sourceIndex === emulationPreventionBytesPositions[0]) {\n        // Skip this byte\n        sourceIndex++; // Remove this position index\n\n        emulationPreventionBytesPositions.shift();\n      }\n\n      newData[i] = data[sourceIndex];\n    }\n\n    return newData;\n  }; // exports\n\n\n  var captionPacketParser = {\n    parseSei: parseSei,\n    parseUserData: parseUserData,\n    parseCaptionPackets: parseCaptionPackets,\n    discardEmulationPreventionBytes: discardEmulationPreventionBytes,\n    USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * A lightweight readable stream implemention that handles event dispatching.\n   * Objects that inherit from streams should call init in their constructors.\n   */\n\n  var Stream$1 = function Stream() {\n    this.init = function () {\n      var listeners = {};\n      /**\n       * Add a listener for a specified event type.\n       * @param type {string} the event name\n       * @param listener {function} the callback to be invoked when an event of\n       * the specified type occurs\n       */\n\n      this.on = function (type, listener) {\n        if (!listeners[type]) {\n          listeners[type] = [];\n        }\n\n        listeners[type] = listeners[type].concat(listener);\n      };\n      /**\n       * Remove a listener for a specified event type.\n       * @param type {string} the event name\n       * @param listener {function} a function previously registered for this\n       * type of event through `on`\n       */\n\n\n      this.off = function (type, listener) {\n        var index;\n\n        if (!listeners[type]) {\n          return false;\n        }\n\n        index = listeners[type].indexOf(listener);\n        listeners[type] = listeners[type].slice();\n        listeners[type].splice(index, 1);\n        return index > -1;\n      };\n      /**\n       * Trigger an event of the specified type on this stream. Any additional\n       * arguments to this function are passed as parameters to event listeners.\n       * @param type {string} the event name\n       */\n\n\n      this.trigger = function (type) {\n        var callbacks, i, length, args;\n        callbacks = listeners[type];\n\n        if (!callbacks) {\n          return;\n        } // Slicing the arguments on every invocation of this method\n        // can add a significant amount of overhead. Avoid the\n        // intermediate object creation for the common case of a\n        // single callback argument\n\n\n        if (arguments.length === 2) {\n          length = callbacks.length;\n\n          for (i = 0; i < length; ++i) {\n            callbacks[i].call(this, arguments[1]);\n          }\n        } else {\n          args = [];\n          i = arguments.length;\n\n          for (i = 1; i < arguments.length; ++i) {\n            args.push(arguments[i]);\n          }\n\n          length = callbacks.length;\n\n          for (i = 0; i < length; ++i) {\n            callbacks[i].apply(this, args);\n          }\n        }\n      };\n      /**\n       * Destroys the stream and cleans up.\n       */\n\n\n      this.dispose = function () {\n        listeners = {};\n      };\n    };\n  };\n  /**\n   * Forwards all `data` events on this stream to the destination stream. The\n   * destination stream should provide a method `push` to receive the data\n   * events as they arrive.\n   * @param destination {stream} the stream that will receive all `data` events\n   * @param autoFlush {boolean} if false, we will not call `flush` on the destination\n   *                            when the current stream emits a 'done' event\n   * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n   */\n\n\n  Stream$1.prototype.pipe = function (destination) {\n    this.on('data', function (data) {\n      destination.push(data);\n    });\n    this.on('done', function (flushSource) {\n      destination.flush(flushSource);\n    });\n    this.on('partialdone', function (flushSource) {\n      destination.partialFlush(flushSource);\n    });\n    this.on('endedtimeline', function (flushSource) {\n      destination.endTimeline(flushSource);\n    });\n    this.on('reset', function (flushSource) {\n      destination.reset(flushSource);\n    });\n    return destination;\n  }; // Default stream functions that are expected to be overridden to perform\n  // actual work. These are provided by the prototype as a sort of no-op\n  // implementation so that we don't have to check for their existence in the\n  // `pipe` function above.\n\n\n  Stream$1.prototype.push = function (data) {\n    this.trigger('data', data);\n  };\n\n  Stream$1.prototype.flush = function (flushSource) {\n    this.trigger('done', flushSource);\n  };\n\n  Stream$1.prototype.partialFlush = function (flushSource) {\n    this.trigger('partialdone', flushSource);\n  };\n\n  Stream$1.prototype.endTimeline = function (flushSource) {\n    this.trigger('endedtimeline', flushSource);\n  };\n\n  Stream$1.prototype.reset = function (flushSource) {\n    this.trigger('reset', flushSource);\n  };\n\n  var stream = Stream$1;\n\n  // Link To Transport\n  // -----------------\n\n\n  var CaptionStream = function CaptionStream() {\n    CaptionStream.prototype.init.call(this);\n    this.captionPackets_ = [];\n    this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define\n    new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define\n    new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define\n    new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define\n    ];\n    this.reset(); // forward data and done events from CCs to this CaptionStream\n\n    this.ccStreams_.forEach(function (cc) {\n      cc.on('data', this.trigger.bind(this, 'data'));\n      cc.on('partialdone', this.trigger.bind(this, 'partialdone'));\n      cc.on('done', this.trigger.bind(this, 'done'));\n    }, this);\n  };\n\n  CaptionStream.prototype = new stream();\n\n  CaptionStream.prototype.push = function (event) {\n    var sei, userData, newCaptionPackets; // only examine SEI NALs\n\n    if (event.nalUnitType !== 'sei_rbsp') {\n      return;\n    } // parse the sei\n\n\n    sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35\n\n    if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {\n      return;\n    } // parse out the user data payload\n\n\n    userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData\n\n    if (!userData) {\n      return;\n    } // Sometimes, the same segment # will be downloaded twice. To stop the\n    // caption data from being processed twice, we track the latest dts we've\n    // received and ignore everything with a dts before that. However, since\n    // data for a specific dts can be split across packets on either side of\n    // a segment boundary, we need to make sure we *don't* ignore the packets\n    // from the *next* segment that have dts === this.latestDts_. By constantly\n    // tracking the number of packets received with dts === this.latestDts_, we\n    // know how many should be ignored once we start receiving duplicates.\n\n\n    if (event.dts < this.latestDts_) {\n      // We've started getting older data, so set the flag.\n      this.ignoreNextEqualDts_ = true;\n      return;\n    } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {\n      this.numSameDts_--;\n\n      if (!this.numSameDts_) {\n        // We've received the last duplicate packet, time to start processing again\n        this.ignoreNextEqualDts_ = false;\n      }\n\n      return;\n    } // parse out CC data packets and save them for later\n\n\n    newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);\n    this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);\n\n    if (this.latestDts_ !== event.dts) {\n      this.numSameDts_ = 0;\n    }\n\n    this.numSameDts_++;\n    this.latestDts_ = event.dts;\n  };\n\n  CaptionStream.prototype.flushCCStreams = function (flushType) {\n    this.ccStreams_.forEach(function (cc) {\n      return flushType === 'flush' ? cc.flush() : cc.partialFlush();\n    }, this);\n  };\n\n  CaptionStream.prototype.flushStream = function (flushType) {\n    // make sure we actually parsed captions before proceeding\n    if (!this.captionPackets_.length) {\n      this.flushCCStreams(flushType);\n      return;\n    } // In Chrome, the Array#sort function is not stable so add a\n    // presortIndex that we can use to ensure we get a stable-sort\n\n\n    this.captionPackets_.forEach(function (elem, idx) {\n      elem.presortIndex = idx;\n    }); // sort caption byte-pairs based on their PTS values\n\n    this.captionPackets_.sort(function (a, b) {\n      if (a.pts === b.pts) {\n        return a.presortIndex - b.presortIndex;\n      }\n\n      return a.pts - b.pts;\n    });\n    this.captionPackets_.forEach(function (packet) {\n      if (packet.type < 2) {\n        // Dispatch packet to the right Cea608Stream\n        this.dispatchCea608Packet(packet);\n      } // this is where an 'else' would go for a dispatching packets\n      // to a theoretical Cea708Stream that handles SERVICEn data\n\n    }, this);\n    this.captionPackets_.length = 0;\n    this.flushCCStreams(flushType);\n  };\n\n  CaptionStream.prototype.flush = function () {\n    return this.flushStream('flush');\n  }; // Only called if handling partial data\n\n\n  CaptionStream.prototype.partialFlush = function () {\n    return this.flushStream('partialFlush');\n  };\n\n  CaptionStream.prototype.reset = function () {\n    this.latestDts_ = null;\n    this.ignoreNextEqualDts_ = false;\n    this.numSameDts_ = 0;\n    this.activeCea608Channel_ = [null, null];\n    this.ccStreams_.forEach(function (ccStream) {\n      ccStream.reset();\n    });\n  }; // From the CEA-608 spec:\n\n  /*\n   * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed\n   * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is\n   * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair\n   * and subsequent data should then be processed according to the FCC rules. It may be necessary for the\n   * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)\n   * to switch to captioning or Text.\n  */\n  // With that in mind, we ignore any data between an XDS control code and a\n  // subsequent closed-captioning control code.\n\n\n  CaptionStream.prototype.dispatchCea608Packet = function (packet) {\n    // NOTE: packet.type is the CEA608 field\n    if (this.setsTextOrXDSActive(packet)) {\n      this.activeCea608Channel_[packet.type] = null;\n    } else if (this.setsChannel1Active(packet)) {\n      this.activeCea608Channel_[packet.type] = 0;\n    } else if (this.setsChannel2Active(packet)) {\n      this.activeCea608Channel_[packet.type] = 1;\n    }\n\n    if (this.activeCea608Channel_[packet.type] === null) {\n      // If we haven't received anything to set the active channel, or the\n      // packets are Text/XDS data, discard the data; we don't want jumbled\n      // captions\n      return;\n    }\n\n    this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);\n  };\n\n  CaptionStream.prototype.setsChannel1Active = function (packet) {\n    return (packet.ccData & 0x7800) === 0x1000;\n  };\n\n  CaptionStream.prototype.setsChannel2Active = function (packet) {\n    return (packet.ccData & 0x7800) === 0x1800;\n  };\n\n  CaptionStream.prototype.setsTextOrXDSActive = function (packet) {\n    return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;\n  }; // ----------------------\n  // Session to Application\n  // ----------------------\n  // This hash maps non-ASCII, special, and extended character codes to their\n  // proper Unicode equivalent. The first keys that are only a single byte\n  // are the non-standard ASCII characters, which simply map the CEA608 byte\n  // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608\n  // character codes, but have their MSB bitmasked with 0x03 so that a lookup\n  // can be performed regardless of the field and data channel on which the\n  // character code was received.\n\n\n  var CHARACTER_TRANSLATION = {\n    0x2a: 0xe1,\n    // á\n    0x5c: 0xe9,\n    // é\n    0x5e: 0xed,\n    // í\n    0x5f: 0xf3,\n    // ó\n    0x60: 0xfa,\n    // ú\n    0x7b: 0xe7,\n    // ç\n    0x7c: 0xf7,\n    // ÷\n    0x7d: 0xd1,\n    // Ñ\n    0x7e: 0xf1,\n    // ñ\n    0x7f: 0x2588,\n    // █\n    0x0130: 0xae,\n    // ®\n    0x0131: 0xb0,\n    // °\n    0x0132: 0xbd,\n    // ½\n    0x0133: 0xbf,\n    // ¿\n    0x0134: 0x2122,\n    // ™\n    0x0135: 0xa2,\n    // ¢\n    0x0136: 0xa3,\n    // £\n    0x0137: 0x266a,\n    // ♪\n    0x0138: 0xe0,\n    // à\n    0x0139: 0xa0,\n    //\n    0x013a: 0xe8,\n    // è\n    0x013b: 0xe2,\n    // â\n    0x013c: 0xea,\n    // ê\n    0x013d: 0xee,\n    // î\n    0x013e: 0xf4,\n    // ô\n    0x013f: 0xfb,\n    // û\n    0x0220: 0xc1,\n    // Á\n    0x0221: 0xc9,\n    // É\n    0x0222: 0xd3,\n    // Ó\n    0x0223: 0xda,\n    // Ú\n    0x0224: 0xdc,\n    // Ü\n    0x0225: 0xfc,\n    // ü\n    0x0226: 0x2018,\n    // ‘\n    0x0227: 0xa1,\n    // ¡\n    0x0228: 0x2a,\n    // *\n    0x0229: 0x27,\n    // '\n    0x022a: 0x2014,\n    // —\n    0x022b: 0xa9,\n    // ©\n    0x022c: 0x2120,\n    // ℠\n    0x022d: 0x2022,\n    // •\n    0x022e: 0x201c,\n    // “\n    0x022f: 0x201d,\n    // ”\n    0x0230: 0xc0,\n    // À\n    0x0231: 0xc2,\n    // Â\n    0x0232: 0xc7,\n    // Ç\n    0x0233: 0xc8,\n    // È\n    0x0234: 0xca,\n    // Ê\n    0x0235: 0xcb,\n    // Ë\n    0x0236: 0xeb,\n    // ë\n    0x0237: 0xce,\n    // Î\n    0x0238: 0xcf,\n    // Ï\n    0x0239: 0xef,\n    // ï\n    0x023a: 0xd4,\n    // Ô\n    0x023b: 0xd9,\n    // Ù\n    0x023c: 0xf9,\n    // ù\n    0x023d: 0xdb,\n    // Û\n    0x023e: 0xab,\n    // «\n    0x023f: 0xbb,\n    // »\n    0x0320: 0xc3,\n    // Ã\n    0x0321: 0xe3,\n    // ã\n    0x0322: 0xcd,\n    // Í\n    0x0323: 0xcc,\n    // Ì\n    0x0324: 0xec,\n    // ì\n    0x0325: 0xd2,\n    // Ò\n    0x0326: 0xf2,\n    // ò\n    0x0327: 0xd5,\n    // Õ\n    0x0328: 0xf5,\n    // õ\n    0x0329: 0x7b,\n    // {\n    0x032a: 0x7d,\n    // }\n    0x032b: 0x5c,\n    // \\\n    0x032c: 0x5e,\n    // ^\n    0x032d: 0x5f,\n    // _\n    0x032e: 0x7c,\n    // |\n    0x032f: 0x7e,\n    // ~\n    0x0330: 0xc4,\n    // Ä\n    0x0331: 0xe4,\n    // ä\n    0x0332: 0xd6,\n    // Ö\n    0x0333: 0xf6,\n    // ö\n    0x0334: 0xdf,\n    // ß\n    0x0335: 0xa5,\n    // ¥\n    0x0336: 0xa4,\n    // ¤\n    0x0337: 0x2502,\n    // │\n    0x0338: 0xc5,\n    // Å\n    0x0339: 0xe5,\n    // å\n    0x033a: 0xd8,\n    // Ø\n    0x033b: 0xf8,\n    // ø\n    0x033c: 0x250c,\n    // ┌\n    0x033d: 0x2510,\n    // ┐\n    0x033e: 0x2514,\n    // └\n    0x033f: 0x2518 // ┘\n\n  };\n\n  var getCharFromCode = function getCharFromCode(code) {\n    if (code === null) {\n      return '';\n    }\n\n    code = CHARACTER_TRANSLATION[code] || code;\n    return String.fromCharCode(code);\n  }; // the index of the last row in a CEA-608 display buffer\n\n\n  var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of\n  // getting it through bit logic.\n\n  var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character\n  // cells. The \"bottom\" row is the last element in the outer array.\n\n  var createDisplayBuffer = function createDisplayBuffer() {\n    var result = [],\n        i = BOTTOM_ROW + 1;\n\n    while (i--) {\n      result.push('');\n    }\n\n    return result;\n  };\n\n  var Cea608Stream = function Cea608Stream(field, dataChannel) {\n    Cea608Stream.prototype.init.call(this);\n    this.field_ = field || 0;\n    this.dataChannel_ = dataChannel || 0;\n    this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);\n    this.setConstants();\n    this.reset();\n\n    this.push = function (packet) {\n      var data, swap, char0, char1, text; // remove the parity bits\n\n      data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice\n\n      if (data === this.lastControlCode_) {\n        this.lastControlCode_ = null;\n        return;\n      } // Store control codes\n\n\n      if ((data & 0xf000) === 0x1000) {\n        this.lastControlCode_ = data;\n      } else if (data !== this.PADDING_) {\n        this.lastControlCode_ = null;\n      }\n\n      char0 = data >>> 8;\n      char1 = data & 0xff;\n\n      if (data === this.PADDING_) {\n        return;\n      } else if (data === this.RESUME_CAPTION_LOADING_) {\n        this.mode_ = 'popOn';\n      } else if (data === this.END_OF_CAPTION_) {\n        // If an EOC is received while in paint-on mode, the displayed caption\n        // text should be swapped to non-displayed memory as if it was a pop-on\n        // caption. Because of that, we should explicitly switch back to pop-on\n        // mode\n        this.mode_ = 'popOn';\n        this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now\n\n        this.flushDisplayed(packet.pts); // flip memory\n\n        swap = this.displayed_;\n        this.displayed_ = this.nonDisplayed_;\n        this.nonDisplayed_ = swap; // start measuring the time to display the caption\n\n        this.startPts_ = packet.pts;\n      } else if (data === this.ROLL_UP_2_ROWS_) {\n        this.rollUpRows_ = 2;\n        this.setRollUp(packet.pts);\n      } else if (data === this.ROLL_UP_3_ROWS_) {\n        this.rollUpRows_ = 3;\n        this.setRollUp(packet.pts);\n      } else if (data === this.ROLL_UP_4_ROWS_) {\n        this.rollUpRows_ = 4;\n        this.setRollUp(packet.pts);\n      } else if (data === this.CARRIAGE_RETURN_) {\n        this.clearFormatting(packet.pts);\n        this.flushDisplayed(packet.pts);\n        this.shiftRowsUp_();\n        this.startPts_ = packet.pts;\n      } else if (data === this.BACKSPACE_) {\n        if (this.mode_ === 'popOn') {\n          this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n        } else {\n          this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n        }\n      } else if (data === this.ERASE_DISPLAYED_MEMORY_) {\n        this.flushDisplayed(packet.pts);\n        this.displayed_ = createDisplayBuffer();\n      } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {\n        this.nonDisplayed_ = createDisplayBuffer();\n      } else if (data === this.RESUME_DIRECT_CAPTIONING_) {\n        if (this.mode_ !== 'paintOn') {\n          // NOTE: This should be removed when proper caption positioning is\n          // implemented\n          this.flushDisplayed(packet.pts);\n          this.displayed_ = createDisplayBuffer();\n        }\n\n        this.mode_ = 'paintOn';\n        this.startPts_ = packet.pts; // Append special characters to caption text\n      } else if (this.isSpecialCharacter(char0, char1)) {\n        // Bitmask char0 so that we can apply character transformations\n        // regardless of field and data channel.\n        // Then byte-shift to the left and OR with char1 so we can pass the\n        // entire character code to `getCharFromCode`.\n        char0 = (char0 & 0x03) << 8;\n        text = getCharFromCode(char0 | char1);\n        this[this.mode_](packet.pts, text);\n        this.column_++; // Append extended characters to caption text\n      } else if (this.isExtCharacter(char0, char1)) {\n        // Extended characters always follow their \"non-extended\" equivalents.\n        // IE if a \"è\" is desired, you'll always receive \"eè\"; non-compliant\n        // decoders are supposed to drop the \"è\", while compliant decoders\n        // backspace the \"e\" and insert \"è\".\n        // Delete the previous character\n        if (this.mode_ === 'popOn') {\n          this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n        } else {\n          this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n        } // Bitmask char0 so that we can apply character transformations\n        // regardless of field and data channel.\n        // Then byte-shift to the left and OR with char1 so we can pass the\n        // entire character code to `getCharFromCode`.\n\n\n        char0 = (char0 & 0x03) << 8;\n        text = getCharFromCode(char0 | char1);\n        this[this.mode_](packet.pts, text);\n        this.column_++; // Process mid-row codes\n      } else if (this.isMidRowCode(char0, char1)) {\n        // Attributes are not additive, so clear all formatting\n        this.clearFormatting(packet.pts); // According to the standard, mid-row codes\n        // should be replaced with spaces, so add one now\n\n        this[this.mode_](packet.pts, ' ');\n        this.column_++;\n\n        if ((char1 & 0xe) === 0xe) {\n          this.addFormatting(packet.pts, ['i']);\n        }\n\n        if ((char1 & 0x1) === 0x1) {\n          this.addFormatting(packet.pts, ['u']);\n        } // Detect offset control codes and adjust cursor\n\n      } else if (this.isOffsetControlCode(char0, char1)) {\n        // Cursor position is set by indent PAC (see below) in 4-column\n        // increments, with an additional offset code of 1-3 to reach any\n        // of the 32 columns specified by CEA-608. So all we need to do\n        // here is increment the column cursor by the given offset.\n        this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)\n      } else if (this.isPAC(char0, char1)) {\n        // There's no logic for PAC -> row mapping, so we have to just\n        // find the row code in an array and use its index :(\n        var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode\n\n        if (this.mode_ === 'rollUp') {\n          // This implies that the base row is incorrectly set.\n          // As per the recommendation in CEA-608(Base Row Implementation), defer to the number\n          // of roll-up rows set.\n          if (row - this.rollUpRows_ + 1 < 0) {\n            row = this.rollUpRows_ - 1;\n          }\n\n          this.setRollUp(packet.pts, row);\n        }\n\n        if (row !== this.row_) {\n          // formatting is only persistent for current row\n          this.clearFormatting(packet.pts);\n          this.row_ = row;\n        } // All PACs can apply underline, so detect and apply\n        // (All odd-numbered second bytes set underline)\n\n\n        if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {\n          this.addFormatting(packet.pts, ['u']);\n        }\n\n        if ((data & 0x10) === 0x10) {\n          // We've got an indent level code. Each successive even number\n          // increments the column cursor by 4, so we can get the desired\n          // column position by bit-shifting to the right (to get n/2)\n          // and multiplying by 4.\n          this.column_ = ((data & 0xe) >> 1) * 4;\n        }\n\n        if (this.isColorPAC(char1)) {\n          // it's a color code, though we only support white, which\n          // can be either normal or italicized. white italics can be\n          // either 0x4e or 0x6e depending on the row, so we just\n          // bitwise-and with 0xe to see if italics should be turned on\n          if ((char1 & 0xe) === 0xe) {\n            this.addFormatting(packet.pts, ['i']);\n          }\n        } // We have a normal character in char0, and possibly one in char1\n\n      } else if (this.isNormalChar(char0)) {\n        if (char1 === 0x00) {\n          char1 = null;\n        }\n\n        text = getCharFromCode(char0);\n        text += getCharFromCode(char1);\n        this[this.mode_](packet.pts, text);\n        this.column_ += text.length;\n      } // finish data processing\n\n    };\n  };\n\n  Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the\n  // display buffer\n\n  Cea608Stream.prototype.flushDisplayed = function (pts) {\n    var content = this.displayed_ // remove spaces from the start and end of the string\n    .map(function (row) {\n      try {\n        return row.trim();\n      } catch (e) {\n        // Ordinarily, this shouldn't happen. However, caption\n        // parsing errors should not throw exceptions and\n        // break playback.\n        // eslint-disable-next-line no-console\n        console.error('Skipping malformed caption.');\n        return '';\n      }\n    }) // combine all text rows to display in one cue\n    .join('\\n') // and remove blank rows from the start and end, but not the middle\n    .replace(/^\\n+|\\n+$/g, '');\n\n    if (content.length) {\n      this.trigger('data', {\n        startPts: this.startPts_,\n        endPts: pts,\n        text: content,\n        stream: this.name_\n      });\n    }\n  };\n  /**\n   * Zero out the data, used for startup and on seek\n   */\n\n\n  Cea608Stream.prototype.reset = function () {\n    this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will\n    // actually display captions. If a caption is shifted to a row\n    // with a lower index than this, it is cleared from the display\n    // buffer\n\n    this.topRow_ = 0;\n    this.startPts_ = 0;\n    this.displayed_ = createDisplayBuffer();\n    this.nonDisplayed_ = createDisplayBuffer();\n    this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing\n\n    this.column_ = 0;\n    this.row_ = BOTTOM_ROW;\n    this.rollUpRows_ = 2; // This variable holds currently-applied formatting\n\n    this.formatting_ = [];\n  };\n  /**\n   * Sets up control code and related constants for this instance\n   */\n\n\n  Cea608Stream.prototype.setConstants = function () {\n    // The following attributes have these uses:\n    // ext_ :    char0 for mid-row codes, and the base for extended\n    //           chars (ext_+0, ext_+1, and ext_+2 are char0s for\n    //           extended codes)\n    // control_: char0 for control codes, except byte-shifted to the\n    //           left so that we can do this.control_ | CONTROL_CODE\n    // offset_:  char0 for tab offset codes\n    //\n    // It's also worth noting that control codes, and _only_ control codes,\n    // differ between field 1 and field2. Field 2 control codes are always\n    // their field 1 value plus 1. That's why there's the \"| field\" on the\n    // control value.\n    if (this.dataChannel_ === 0) {\n      this.BASE_ = 0x10;\n      this.EXT_ = 0x11;\n      this.CONTROL_ = (0x14 | this.field_) << 8;\n      this.OFFSET_ = 0x17;\n    } else if (this.dataChannel_ === 1) {\n      this.BASE_ = 0x18;\n      this.EXT_ = 0x19;\n      this.CONTROL_ = (0x1c | this.field_) << 8;\n      this.OFFSET_ = 0x1f;\n    } // Constants for the LSByte command codes recognized by Cea608Stream. This\n    // list is not exhaustive. For a more comprehensive listing and semantics see\n    // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf\n    // Padding\n\n\n    this.PADDING_ = 0x0000; // Pop-on Mode\n\n    this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;\n    this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode\n\n    this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;\n    this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;\n    this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;\n    this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode\n\n    this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure\n\n    this.BACKSPACE_ = this.CONTROL_ | 0x21;\n    this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;\n    this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;\n  };\n  /**\n   * Detects if the 2-byte packet data is a special character\n   *\n   * Special characters have a second byte in the range 0x30 to 0x3f,\n   * with the first byte being 0x11 (for data channel 1) or 0x19 (for\n   * data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an special character\n   */\n\n\n  Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {\n    return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;\n  };\n  /**\n   * Detects if the 2-byte packet data is an extended character\n   *\n   * Extended characters have a second byte in the range 0x20 to 0x3f,\n   * with the first byte being 0x12 or 0x13 (for data channel 1) or\n   * 0x1a or 0x1b (for data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an extended character\n   */\n\n\n  Cea608Stream.prototype.isExtCharacter = function (char0, char1) {\n    return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;\n  };\n  /**\n   * Detects if the 2-byte packet is a mid-row code\n   *\n   * Mid-row codes have a second byte in the range 0x20 to 0x2f, with\n   * the first byte being 0x11 (for data channel 1) or 0x19 (for data\n   * channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are a mid-row code\n   */\n\n\n  Cea608Stream.prototype.isMidRowCode = function (char0, char1) {\n    return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;\n  };\n  /**\n   * Detects if the 2-byte packet is an offset control code\n   *\n   * Offset control codes have a second byte in the range 0x21 to 0x23,\n   * with the first byte being 0x17 (for data channel 1) or 0x1f (for\n   * data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an offset control code\n   */\n\n\n  Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {\n    return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;\n  };\n  /**\n   * Detects if the 2-byte packet is a Preamble Address Code\n   *\n   * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)\n   * or 0x18 to 0x1f (for data channel 2), with the second byte in the\n   * range 0x40 to 0x7f.\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are a PAC\n   */\n\n\n  Cea608Stream.prototype.isPAC = function (char0, char1) {\n    return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;\n  };\n  /**\n   * Detects if a packet's second byte is in the range of a PAC color code\n   *\n   * PAC color codes have the second byte be in the range 0x40 to 0x4f, or\n   * 0x60 to 0x6f.\n   *\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the byte is a color PAC\n   */\n\n\n  Cea608Stream.prototype.isColorPAC = function (char1) {\n    return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;\n  };\n  /**\n   * Detects if a single byte is in the range of a normal character\n   *\n   * Normal text bytes are in the range 0x20 to 0x7f.\n   *\n   * @param  {Integer} char  The byte\n   * @return {Boolean}       Whether the byte is a normal character\n   */\n\n\n  Cea608Stream.prototype.isNormalChar = function (_char) {\n    return _char >= 0x20 && _char <= 0x7f;\n  };\n  /**\n   * Configures roll-up\n   *\n   * @param  {Integer} pts         Current PTS\n   * @param  {Integer} newBaseRow  Used by PACs to slide the current window to\n   *                               a new position\n   */\n\n\n  Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {\n    // Reset the base row to the bottom row when switching modes\n    if (this.mode_ !== 'rollUp') {\n      this.row_ = BOTTOM_ROW;\n      this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up\n\n      this.flushDisplayed(pts);\n      this.nonDisplayed_ = createDisplayBuffer();\n      this.displayed_ = createDisplayBuffer();\n    }\n\n    if (newBaseRow !== undefined && newBaseRow !== this.row_) {\n      // move currently displayed captions (up or down) to the new base row\n      for (var i = 0; i < this.rollUpRows_; i++) {\n        this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];\n        this.displayed_[this.row_ - i] = '';\n      }\n    }\n\n    if (newBaseRow === undefined) {\n      newBaseRow = this.row_;\n    }\n\n    this.topRow_ = newBaseRow - this.rollUpRows_ + 1;\n  }; // Adds the opening HTML tag for the passed character to the caption text,\n  // and keeps track of it for later closing\n\n\n  Cea608Stream.prototype.addFormatting = function (pts, format) {\n    this.formatting_ = this.formatting_.concat(format);\n    var text = format.reduce(function (text, format) {\n      return text + '<' + format + '>';\n    }, '');\n    this[this.mode_](pts, text);\n  }; // Adds HTML closing tags for current formatting to caption text and\n  // clears remembered formatting\n\n\n  Cea608Stream.prototype.clearFormatting = function (pts) {\n    if (!this.formatting_.length) {\n      return;\n    }\n\n    var text = this.formatting_.reverse().reduce(function (text, format) {\n      return text + '</' + format + '>';\n    }, '');\n    this.formatting_ = [];\n    this[this.mode_](pts, text);\n  }; // Mode Implementations\n\n\n  Cea608Stream.prototype.popOn = function (pts, text) {\n    var baseRow = this.nonDisplayed_[this.row_]; // buffer characters\n\n    baseRow += text;\n    this.nonDisplayed_[this.row_] = baseRow;\n  };\n\n  Cea608Stream.prototype.rollUp = function (pts, text) {\n    var baseRow = this.displayed_[this.row_];\n    baseRow += text;\n    this.displayed_[this.row_] = baseRow;\n  };\n\n  Cea608Stream.prototype.shiftRowsUp_ = function () {\n    var i; // clear out inactive rows\n\n    for (i = 0; i < this.topRow_; i++) {\n      this.displayed_[i] = '';\n    }\n\n    for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {\n      this.displayed_[i] = '';\n    } // shift displayed rows up\n\n\n    for (i = this.topRow_; i < this.row_; i++) {\n      this.displayed_[i] = this.displayed_[i + 1];\n    } // clear out the bottom row\n\n\n    this.displayed_[this.row_] = '';\n  };\n\n  Cea608Stream.prototype.paintOn = function (pts, text) {\n    var baseRow = this.displayed_[this.row_];\n    baseRow += text;\n    this.displayed_[this.row_] = baseRow;\n  }; // exports\n\n\n  var captionStream = {\n    CaptionStream: CaptionStream,\n    Cea608Stream: Cea608Stream\n  };\n\n  var discardEmulationPreventionBytes$1 = captionPacketParser.discardEmulationPreventionBytes;\n  var CaptionStream$1 = captionStream.CaptionStream;\n  /**\n    * Maps an offset in the mdat to a sample based on the the size of the samples.\n    * Assumes that `parseSamples` has been called first.\n    *\n    * @param {Number} offset - The offset into the mdat\n    * @param {Object[]} samples - An array of samples, parsed using `parseSamples`\n    * @return {?Object} The matching sample, or null if no match was found.\n    *\n    * @see ISO-BMFF-12/2015, Section 8.8.8\n   **/\n\n  var mapToSample = function mapToSample(offset, samples) {\n    var approximateOffset = offset;\n\n    for (var i = 0; i < samples.length; i++) {\n      var sample = samples[i];\n\n      if (approximateOffset < sample.size) {\n        return sample;\n      }\n\n      approximateOffset -= sample.size;\n    }\n\n    return null;\n  };\n  /**\n    * Finds SEI nal units contained in a Media Data Box.\n    * Assumes that `parseSamples` has been called first.\n    *\n    * @param {Uint8Array} avcStream - The bytes of the mdat\n    * @param {Object[]} samples - The samples parsed out by `parseSamples`\n    * @param {Number} trackId - The trackId of this video track\n    * @return {Object[]} seiNals - the parsed SEI NALUs found.\n    *   The contents of the seiNal should match what is expected by\n    *   CaptionStream.push (nalUnitType, size, data, escapedRBSP, pts, dts)\n    *\n    * @see ISO-BMFF-12/2015, Section 8.1.1\n    * @see Rec. ITU-T H.264, 7.3.2.3.1\n   **/\n\n\n  var findSeiNals = function findSeiNals(avcStream, samples, trackId) {\n    var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),\n        result = [],\n        seiNal,\n        i,\n        length,\n        lastMatchedSample;\n\n    for (i = 0; i + 4 < avcStream.length; i += length) {\n      length = avcView.getUint32(i);\n      i += 4; // Bail if this doesn't appear to be an H264 stream\n\n      if (length <= 0) {\n        continue;\n      }\n\n      switch (avcStream[i] & 0x1F) {\n        case 0x06:\n          var data = avcStream.subarray(i + 1, i + 1 + length);\n          var matchingSample = mapToSample(i, samples);\n          seiNal = {\n            nalUnitType: 'sei_rbsp',\n            size: length,\n            data: data,\n            escapedRBSP: discardEmulationPreventionBytes$1(data),\n            trackId: trackId\n          };\n\n          if (matchingSample) {\n            seiNal.pts = matchingSample.pts;\n            seiNal.dts = matchingSample.dts;\n            lastMatchedSample = matchingSample;\n          } else {\n            // If a matching sample cannot be found, use the last\n            // sample's values as they should be as close as possible\n            seiNal.pts = lastMatchedSample.pts;\n            seiNal.dts = lastMatchedSample.dts;\n          }\n\n          result.push(seiNal);\n          break;\n\n        default:\n          break;\n      }\n    }\n\n    return result;\n  };\n  /**\n    * Parses sample information out of Track Run Boxes and calculates\n    * the absolute presentation and decode timestamps of each sample.\n    *\n    * @param {Array<Uint8Array>} truns - The Trun Run boxes to be parsed\n    * @param {Number} baseMediaDecodeTime - base media decode time from tfdt\n        @see ISO-BMFF-12/2015, Section 8.8.12\n    * @param {Object} tfhd - The parsed Track Fragment Header\n    *   @see inspect.parseTfhd\n    * @return {Object[]} the parsed samples\n    *\n    * @see ISO-BMFF-12/2015, Section 8.8.8\n   **/\n\n\n  var parseSamples = function parseSamples(truns, baseMediaDecodeTime, tfhd) {\n    var currentDts = baseMediaDecodeTime;\n    var defaultSampleDuration = tfhd.defaultSampleDuration || 0;\n    var defaultSampleSize = tfhd.defaultSampleSize || 0;\n    var trackId = tfhd.trackId;\n    var allSamples = [];\n    truns.forEach(function (trun) {\n      // Note: We currently do not parse the sample table as well\n      // as the trun. It's possible some sources will require this.\n      // moov > trak > mdia > minf > stbl\n      var trackRun = mp4Inspector.parseTrun(trun);\n      var samples = trackRun.samples;\n      samples.forEach(function (sample) {\n        if (sample.duration === undefined) {\n          sample.duration = defaultSampleDuration;\n        }\n\n        if (sample.size === undefined) {\n          sample.size = defaultSampleSize;\n        }\n\n        sample.trackId = trackId;\n        sample.dts = currentDts;\n\n        if (sample.compositionTimeOffset === undefined) {\n          sample.compositionTimeOffset = 0;\n        }\n\n        sample.pts = currentDts + sample.compositionTimeOffset;\n        currentDts += sample.duration;\n      });\n      allSamples = allSamples.concat(samples);\n    });\n    return allSamples;\n  };\n  /**\n    * Parses out caption nals from an FMP4 segment's video tracks.\n    *\n    * @param {Uint8Array} segment - The bytes of a single segment\n    * @param {Number} videoTrackId - The trackId of a video track in the segment\n    * @return {Object.<Number, Object[]>} A mapping of video trackId to\n    *   a list of seiNals found in that track\n   **/\n\n\n  var parseCaptionNals = function parseCaptionNals(segment, videoTrackId) {\n    // To get the samples\n    var trafs = probe.findBox(segment, ['moof', 'traf']); // To get SEI NAL units\n\n    var mdats = probe.findBox(segment, ['mdat']);\n    var captionNals = {};\n    var mdatTrafPairs = []; // Pair up each traf with a mdat as moofs and mdats are in pairs\n\n    mdats.forEach(function (mdat, index) {\n      var matchingTraf = trafs[index];\n      mdatTrafPairs.push({\n        mdat: mdat,\n        traf: matchingTraf\n      });\n    });\n    mdatTrafPairs.forEach(function (pair) {\n      var mdat = pair.mdat;\n      var traf = pair.traf;\n      var tfhd = probe.findBox(traf, ['tfhd']); // Exactly 1 tfhd per traf\n\n      var headerInfo = mp4Inspector.parseTfhd(tfhd[0]);\n      var trackId = headerInfo.trackId;\n      var tfdt = probe.findBox(traf, ['tfdt']); // Either 0 or 1 tfdt per traf\n\n      var baseMediaDecodeTime = tfdt.length > 0 ? mp4Inspector.parseTfdt(tfdt[0]).baseMediaDecodeTime : 0;\n      var truns = probe.findBox(traf, ['trun']);\n      var samples;\n      var seiNals; // Only parse video data for the chosen video track\n\n      if (videoTrackId === trackId && truns.length > 0) {\n        samples = parseSamples(truns, baseMediaDecodeTime, headerInfo);\n        seiNals = findSeiNals(mdat, samples, trackId);\n\n        if (!captionNals[trackId]) {\n          captionNals[trackId] = [];\n        }\n\n        captionNals[trackId] = captionNals[trackId].concat(seiNals);\n      }\n    });\n    return captionNals;\n  };\n  /**\n    * Parses out inband captions from an MP4 container and returns\n    * caption objects that can be used by WebVTT and the TextTrack API.\n    * @see https://developer.mozilla.org/en-US/docs/Web/API/VTTCue\n    * @see https://developer.mozilla.org/en-US/docs/Web/API/TextTrack\n    * Assumes that `probe.getVideoTrackIds` and `probe.timescale` have been called first\n    *\n    * @param {Uint8Array} segment - The fmp4 segment containing embedded captions\n    * @param {Number} trackId - The id of the video track to parse\n    * @param {Number} timescale - The timescale for the video track from the init segment\n    *\n    * @return {?Object[]} parsedCaptions - A list of captions or null if no video tracks\n    * @return {Number} parsedCaptions[].startTime - The time to show the caption in seconds\n    * @return {Number} parsedCaptions[].endTime - The time to stop showing the caption in seconds\n    * @return {String} parsedCaptions[].text - The visible content of the caption\n   **/\n\n\n  var parseEmbeddedCaptions = function parseEmbeddedCaptions(segment, trackId, timescale) {\n    var seiNals; // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there\n\n    if (trackId === null) {\n      return null;\n    }\n\n    seiNals = parseCaptionNals(segment, trackId);\n    return {\n      seiNals: seiNals[trackId],\n      timescale: timescale\n    };\n  };\n  /**\n    * Converts SEI NALUs into captions that can be used by video.js\n   **/\n\n\n  var CaptionParser = function CaptionParser() {\n    var isInitialized = false;\n    var captionStream; // Stores segments seen before trackId and timescale are set\n\n    var segmentCache; // Stores video track ID of the track being parsed\n\n    var trackId; // Stores the timescale of the track being parsed\n\n    var timescale; // Stores captions parsed so far\n\n    var parsedCaptions; // Stores whether we are receiving partial data or not\n\n    var parsingPartial;\n    /**\n      * A method to indicate whether a CaptionParser has been initalized\n      * @returns {Boolean}\n     **/\n\n    this.isInitialized = function () {\n      return isInitialized;\n    };\n    /**\n      * Initializes the underlying CaptionStream, SEI NAL parsing\n      * and management, and caption collection\n     **/\n\n\n    this.init = function (options) {\n      captionStream = new CaptionStream$1();\n      isInitialized = true;\n      parsingPartial = options ? options.isPartial : false; // Collect dispatched captions\n\n      captionStream.on('data', function (event) {\n        // Convert to seconds in the source's timescale\n        event.startTime = event.startPts / timescale;\n        event.endTime = event.endPts / timescale;\n        parsedCaptions.captions.push(event);\n        parsedCaptions.captionStreams[event.stream] = true;\n      });\n    };\n    /**\n      * Determines if a new video track will be selected\n      * or if the timescale changed\n      * @return {Boolean}\n     **/\n\n\n    this.isNewInit = function (videoTrackIds, timescales) {\n      if (videoTrackIds && videoTrackIds.length === 0 || timescales && typeof timescales === 'object' && Object.keys(timescales).length === 0) {\n        return false;\n      }\n\n      return trackId !== videoTrackIds[0] || timescale !== timescales[trackId];\n    };\n    /**\n      * Parses out SEI captions and interacts with underlying\n      * CaptionStream to return dispatched captions\n      *\n      * @param {Uint8Array} segment - The fmp4 segment containing embedded captions\n      * @param {Number[]} videoTrackIds - A list of video tracks found in the init segment\n      * @param {Object.<Number, Number>} timescales - The timescales found in the init segment\n      * @see parseEmbeddedCaptions\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.parse = function (segment, videoTrackIds, timescales) {\n      var parsedData;\n\n      if (!this.isInitialized()) {\n        return null; // This is not likely to be a video segment\n      } else if (!videoTrackIds || !timescales) {\n        return null;\n      } else if (this.isNewInit(videoTrackIds, timescales)) {\n        // Use the first video track only as there is no\n        // mechanism to switch to other video tracks\n        trackId = videoTrackIds[0];\n        timescale = timescales[trackId]; // If an init segment has not been seen yet, hold onto segment\n        // data until we have one.\n        // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there\n      } else if (trackId === null || !timescale) {\n        segmentCache.push(segment);\n        return null;\n      } // Now that a timescale and trackId is set, parse cached segments\n\n\n      while (segmentCache.length > 0) {\n        var cachedSegment = segmentCache.shift();\n        this.parse(cachedSegment, videoTrackIds, timescales);\n      }\n\n      parsedData = parseEmbeddedCaptions(segment, trackId, timescale);\n\n      if (parsedData === null || !parsedData.seiNals) {\n        return null;\n      }\n\n      this.pushNals(parsedData.seiNals); // Force the parsed captions to be dispatched\n\n      this.flushStream();\n      return parsedCaptions;\n    };\n    /**\n      * Pushes SEI NALUs onto CaptionStream\n      * @param {Object[]} nals - A list of SEI nals parsed using `parseCaptionNals`\n      * Assumes that `parseCaptionNals` has been called first\n      * @see m2ts/caption-stream.js\n      **/\n\n\n    this.pushNals = function (nals) {\n      if (!this.isInitialized() || !nals || nals.length === 0) {\n        return null;\n      }\n\n      nals.forEach(function (nal) {\n        captionStream.push(nal);\n      });\n    };\n    /**\n      * Flushes underlying CaptionStream to dispatch processed, displayable captions\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.flushStream = function () {\n      if (!this.isInitialized()) {\n        return null;\n      }\n\n      if (!parsingPartial) {\n        captionStream.flush();\n      } else {\n        captionStream.partialFlush();\n      }\n    };\n    /**\n      * Reset caption buckets for new data\n     **/\n\n\n    this.clearParsedCaptions = function () {\n      parsedCaptions.captions = [];\n      parsedCaptions.captionStreams = {};\n    };\n    /**\n      * Resets underlying CaptionStream\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.resetCaptionStream = function () {\n      if (!this.isInitialized()) {\n        return null;\n      }\n\n      captionStream.reset();\n    };\n    /**\n      * Convenience method to clear all captions flushed from the\n      * CaptionStream and still being parsed\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.clearAllCaptions = function () {\n      this.clearParsedCaptions();\n      this.resetCaptionStream();\n    };\n    /**\n      * Reset caption parser\n     **/\n\n\n    this.reset = function () {\n      segmentCache = [];\n      trackId = null;\n      timescale = null;\n\n      if (!parsedCaptions) {\n        parsedCaptions = {\n          captions: [],\n          // CC1, CC2, CC3, CC4\n          captionStreams: {}\n        };\n      } else {\n        this.clearParsedCaptions();\n      }\n\n      this.resetCaptionStream();\n    };\n\n    this.reset();\n  };\n\n  var captionParser = CaptionParser;\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n\n  var streamTypes = {\n    H264_STREAM_TYPE: 0x1B,\n    ADTS_STREAM_TYPE: 0x0F,\n    METADATA_STREAM_TYPE: 0x15\n  };\n\n  var MAX_TS = 8589934592;\n  var RO_THRESH = 4294967296;\n  var TYPE_SHARED = 'shared';\n\n  var handleRollover = function handleRollover(value, reference) {\n    var direction = 1;\n\n    if (value > reference) {\n      // If the current timestamp value is greater than our reference timestamp and we detect a\n      // timestamp rollover, this means the roll over is happening in the opposite direction.\n      // Example scenario: Enter a long stream/video just after a rollover occurred. The reference\n      // point will be set to a small number, e.g. 1. The user then seeks backwards over the\n      // rollover point. In loading this segment, the timestamp values will be very large,\n      // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust\n      // the time stamp to be `value - 2^33`.\n      direction = -1;\n    } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will\n    // cause an incorrect adjustment.\n\n\n    while (Math.abs(reference - value) > RO_THRESH) {\n      value += direction * MAX_TS;\n    }\n\n    return value;\n  };\n\n  var TimestampRolloverStream = function TimestampRolloverStream(type) {\n    var lastDTS, referenceDTS;\n    TimestampRolloverStream.prototype.init.call(this); // The \"shared\" type is used in cases where a stream will contain muxed\n    // video and audio. We could use `undefined` here, but having a string\n    // makes debugging a little clearer.\n\n    this.type_ = type || TYPE_SHARED;\n\n    this.push = function (data) {\n      // Any \"shared\" rollover streams will accept _all_ data. Otherwise,\n      // streams will only accept data that matches their type.\n      if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {\n        return;\n      }\n\n      if (referenceDTS === undefined) {\n        referenceDTS = data.dts;\n      }\n\n      data.dts = handleRollover(data.dts, referenceDTS);\n      data.pts = handleRollover(data.pts, referenceDTS);\n      lastDTS = data.dts;\n      this.trigger('data', data);\n    };\n\n    this.flush = function () {\n      referenceDTS = lastDTS;\n      this.trigger('done');\n    };\n\n    this.endTimeline = function () {\n      this.flush();\n      this.trigger('endedtimeline');\n    };\n\n    this.discontinuity = function () {\n      referenceDTS = void 0;\n      lastDTS = void 0;\n    };\n\n    this.reset = function () {\n      this.discontinuity();\n      this.trigger('reset');\n    };\n  };\n\n  TimestampRolloverStream.prototype = new stream();\n  var timestampRolloverStream = {\n    TimestampRolloverStream: TimestampRolloverStream,\n    handleRollover: handleRollover\n  };\n\n  var parsePid = function parsePid(packet) {\n    var pid = packet[1] & 0x1f;\n    pid <<= 8;\n    pid |= packet[2];\n    return pid;\n  };\n\n  var parsePayloadUnitStartIndicator = function parsePayloadUnitStartIndicator(packet) {\n    return !!(packet[1] & 0x40);\n  };\n\n  var parseAdaptionField = function parseAdaptionField(packet) {\n    var offset = 0; // if an adaption field is present, its length is specified by the\n    // fifth byte of the TS packet header. The adaptation field is\n    // used to add stuffing to PES packets that don't fill a complete\n    // TS packet, and to specify some forms of timing and control data\n    // that we do not currently use.\n\n    if ((packet[3] & 0x30) >>> 4 > 0x01) {\n      offset += packet[4] + 1;\n    }\n\n    return offset;\n  };\n\n  var parseType$1 = function parseType(packet, pmtPid) {\n    var pid = parsePid(packet);\n\n    if (pid === 0) {\n      return 'pat';\n    } else if (pid === pmtPid) {\n      return 'pmt';\n    } else if (pmtPid) {\n      return 'pes';\n    }\n\n    return null;\n  };\n\n  var parsePat = function parsePat(packet) {\n    var pusi = parsePayloadUnitStartIndicator(packet);\n    var offset = 4 + parseAdaptionField(packet);\n\n    if (pusi) {\n      offset += packet[offset] + 1;\n    }\n\n    return (packet[offset + 10] & 0x1f) << 8 | packet[offset + 11];\n  };\n\n  var parsePmt = function parsePmt(packet) {\n    var programMapTable = {};\n    var pusi = parsePayloadUnitStartIndicator(packet);\n    var payloadOffset = 4 + parseAdaptionField(packet);\n\n    if (pusi) {\n      payloadOffset += packet[payloadOffset] + 1;\n    } // PMTs can be sent ahead of the time when they should actually\n    // take effect. We don't believe this should ever be the case\n    // for HLS but we'll ignore \"forward\" PMT declarations if we see\n    // them. Future PMT declarations have the current_next_indicator\n    // set to zero.\n\n\n    if (!(packet[payloadOffset + 5] & 0x01)) {\n      return;\n    }\n\n    var sectionLength, tableEnd, programInfoLength; // the mapping table ends at the end of the current section\n\n    sectionLength = (packet[payloadOffset + 1] & 0x0f) << 8 | packet[payloadOffset + 2];\n    tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how\n    // long the program info descriptors are\n\n    programInfoLength = (packet[payloadOffset + 10] & 0x0f) << 8 | packet[payloadOffset + 11]; // advance the offset to the first entry in the mapping table\n\n    var offset = 12 + programInfoLength;\n\n    while (offset < tableEnd) {\n      var i = payloadOffset + offset; // add an entry that maps the elementary_pid to the stream_type\n\n      programMapTable[(packet[i + 1] & 0x1F) << 8 | packet[i + 2]] = packet[i]; // move to the next table entry\n      // skip past the elementary stream descriptors, if present\n\n      offset += ((packet[i + 3] & 0x0F) << 8 | packet[i + 4]) + 5;\n    }\n\n    return programMapTable;\n  };\n\n  var parsePesType = function parsePesType(packet, programMapTable) {\n    var pid = parsePid(packet);\n    var type = programMapTable[pid];\n\n    switch (type) {\n      case streamTypes.H264_STREAM_TYPE:\n        return 'video';\n\n      case streamTypes.ADTS_STREAM_TYPE:\n        return 'audio';\n\n      case streamTypes.METADATA_STREAM_TYPE:\n        return 'timed-metadata';\n\n      default:\n        return null;\n    }\n  };\n\n  var parsePesTime = function parsePesTime(packet) {\n    var pusi = parsePayloadUnitStartIndicator(packet);\n\n    if (!pusi) {\n      return null;\n    }\n\n    var offset = 4 + parseAdaptionField(packet);\n\n    if (offset >= packet.byteLength) {\n      // From the H 222.0 MPEG-TS spec\n      // \"For transport stream packets carrying PES packets, stuffing is needed when there\n      //  is insufficient PES packet data to completely fill the transport stream packet\n      //  payload bytes. Stuffing is accomplished by defining an adaptation field longer than\n      //  the sum of the lengths of the data elements in it, so that the payload bytes\n      //  remaining after the adaptation field exactly accommodates the available PES packet\n      //  data.\"\n      //\n      // If the offset is >= the length of the packet, then the packet contains no data\n      // and instead is just adaption field stuffing bytes\n      return null;\n    }\n\n    var pes = null;\n    var ptsDtsFlags; // PES packets may be annotated with a PTS value, or a PTS value\n    // and a DTS value. Determine what combination of values is\n    // available to work with.\n\n    ptsDtsFlags = packet[offset + 7]; // PTS and DTS are normally stored as a 33-bit number.  Javascript\n    // performs all bitwise operations on 32-bit integers but javascript\n    // supports a much greater range (52-bits) of integer using standard\n    // mathematical operations.\n    // We construct a 31-bit value using bitwise operators over the 31\n    // most significant bits and then multiply by 4 (equal to a left-shift\n    // of 2) before we add the final 2 least significant bits of the\n    // timestamp (equal to an OR.)\n\n    if (ptsDtsFlags & 0xC0) {\n      pes = {}; // the PTS and DTS are not written out directly. For information\n      // on how they are encoded, see\n      // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n\n      pes.pts = (packet[offset + 9] & 0x0E) << 27 | (packet[offset + 10] & 0xFF) << 20 | (packet[offset + 11] & 0xFE) << 12 | (packet[offset + 12] & 0xFF) << 5 | (packet[offset + 13] & 0xFE) >>> 3;\n      pes.pts *= 4; // Left shift by 2\n\n      pes.pts += (packet[offset + 13] & 0x06) >>> 1; // OR by the two LSBs\n\n      pes.dts = pes.pts;\n\n      if (ptsDtsFlags & 0x40) {\n        pes.dts = (packet[offset + 14] & 0x0E) << 27 | (packet[offset + 15] & 0xFF) << 20 | (packet[offset + 16] & 0xFE) << 12 | (packet[offset + 17] & 0xFF) << 5 | (packet[offset + 18] & 0xFE) >>> 3;\n        pes.dts *= 4; // Left shift by 2\n\n        pes.dts += (packet[offset + 18] & 0x06) >>> 1; // OR by the two LSBs\n      }\n    }\n\n    return pes;\n  };\n\n  var parseNalUnitType = function parseNalUnitType(type) {\n    switch (type) {\n      case 0x05:\n        return 'slice_layer_without_partitioning_rbsp_idr';\n\n      case 0x06:\n        return 'sei_rbsp';\n\n      case 0x07:\n        return 'seq_parameter_set_rbsp';\n\n      case 0x08:\n        return 'pic_parameter_set_rbsp';\n\n      case 0x09:\n        return 'access_unit_delimiter_rbsp';\n\n      default:\n        return null;\n    }\n  };\n\n  var videoPacketContainsKeyFrame = function videoPacketContainsKeyFrame(packet) {\n    var offset = 4 + parseAdaptionField(packet);\n    var frameBuffer = packet.subarray(offset);\n    var frameI = 0;\n    var frameSyncPoint = 0;\n    var foundKeyFrame = false;\n    var nalType; // advance the sync point to a NAL start, if necessary\n\n    for (; frameSyncPoint < frameBuffer.byteLength - 3; frameSyncPoint++) {\n      if (frameBuffer[frameSyncPoint + 2] === 1) {\n        // the sync point is properly aligned\n        frameI = frameSyncPoint + 5;\n        break;\n      }\n    }\n\n    while (frameI < frameBuffer.byteLength) {\n      // look at the current byte to determine if we've hit the end of\n      // a NAL unit boundary\n      switch (frameBuffer[frameI]) {\n        case 0:\n          // skip past non-sync sequences\n          if (frameBuffer[frameI - 1] !== 0) {\n            frameI += 2;\n            break;\n          } else if (frameBuffer[frameI - 2] !== 0) {\n            frameI++;\n            break;\n          }\n\n          if (frameSyncPoint + 3 !== frameI - 2) {\n            nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n            if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n              foundKeyFrame = true;\n            }\n          } // drop trailing zeroes\n\n\n          do {\n            frameI++;\n          } while (frameBuffer[frameI] !== 1 && frameI < frameBuffer.length);\n\n          frameSyncPoint = frameI - 2;\n          frameI += 3;\n          break;\n\n        case 1:\n          // skip past non-sync sequences\n          if (frameBuffer[frameI - 1] !== 0 || frameBuffer[frameI - 2] !== 0) {\n            frameI += 3;\n            break;\n          }\n\n          nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n          if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n            foundKeyFrame = true;\n          }\n\n          frameSyncPoint = frameI - 2;\n          frameI += 3;\n          break;\n\n        default:\n          // the current byte isn't a one or zero, so it cannot be part\n          // of a sync sequence\n          frameI += 3;\n          break;\n      }\n    }\n\n    frameBuffer = frameBuffer.subarray(frameSyncPoint);\n    frameI -= frameSyncPoint;\n    frameSyncPoint = 0; // parse the final nal\n\n    if (frameBuffer && frameBuffer.byteLength > 3) {\n      nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n      if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n        foundKeyFrame = true;\n      }\n    }\n\n    return foundKeyFrame;\n  };\n\n  var probe$1 = {\n    parseType: parseType$1,\n    parsePat: parsePat,\n    parsePmt: parsePmt,\n    parsePayloadUnitStartIndicator: parsePayloadUnitStartIndicator,\n    parsePesType: parsePesType,\n    parsePesTime: parsePesTime,\n    videoPacketContainsKeyFrame: videoPacketContainsKeyFrame\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * Utilities to detect basic properties and metadata about Aac data.\n   */\n\n  var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n\n  var isLikelyAacData = function isLikelyAacData(data) {\n    if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {\n      return true;\n    }\n\n    return false;\n  };\n\n  var parseSyncSafeInteger = function parseSyncSafeInteger(data) {\n    return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n  }; // return a percent-encoded representation of the specified byte range\n  // @see http://en.wikipedia.org/wiki/Percent-encoding\n\n\n  var percentEncode = function percentEncode(bytes, start, end) {\n    var i,\n        result = '';\n\n    for (i = start; i < end; i++) {\n      result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n    }\n\n    return result;\n  }; // return the string representation of the specified byte range,\n  // interpreted as ISO-8859-1.\n\n\n  var parseIso88591 = function parseIso88591(bytes, start, end) {\n    return unescape(percentEncode(bytes, start, end)); // jshint ignore:line\n  };\n\n  var parseId3TagSize = function parseId3TagSize(header, byteIndex) {\n    var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],\n        flags = header[byteIndex + 5],\n        footerPresent = (flags & 16) >> 4;\n\n    if (footerPresent) {\n      return returnSize + 20;\n    }\n\n    return returnSize + 10;\n  };\n\n  var parseAdtsSize = function parseAdtsSize(header, byteIndex) {\n    var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,\n        middle = header[byteIndex + 4] << 3,\n        highTwo = header[byteIndex + 3] & 0x3 << 11;\n    return highTwo | middle | lowThree;\n  };\n\n  var parseType$2 = function parseType(header, byteIndex) {\n    if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {\n      return 'timed-metadata';\n    } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {\n      return 'audio';\n    }\n\n    return null;\n  };\n\n  var parseSampleRate = function parseSampleRate(packet) {\n    var i = 0;\n\n    while (i + 5 < packet.length) {\n      if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {\n        // If a valid header was not found,  jump one forward and attempt to\n        // find a valid ADTS header starting at the next byte\n        i++;\n        continue;\n      }\n\n      return ADTS_SAMPLING_FREQUENCIES[(packet[i + 2] & 0x3c) >>> 2];\n    }\n\n    return null;\n  };\n\n  var parseAacTimestamp = function parseAacTimestamp(packet) {\n    var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag\n\n    frameStart = 10;\n\n    if (packet[5] & 0x40) {\n      // advance the frame start past the extended header\n      frameStart += 4; // header size field\n\n      frameStart += parseSyncSafeInteger(packet.subarray(10, 14));\n    } // parse one or more ID3 frames\n    // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n    do {\n      // determine the number of bytes in this frame\n      frameSize = parseSyncSafeInteger(packet.subarray(frameStart + 4, frameStart + 8));\n\n      if (frameSize < 1) {\n        return null;\n      }\n\n      frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);\n\n      if (frameHeader === 'PRIV') {\n        frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);\n\n        for (var i = 0; i < frame.byteLength; i++) {\n          if (frame[i] === 0) {\n            var owner = parseIso88591(frame, 0, i);\n\n            if (owner === 'com.apple.streaming.transportStreamTimestamp') {\n              var d = frame.subarray(i + 1);\n              var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n              size *= 4;\n              size += d[7] & 0x03;\n              return size;\n            }\n\n            break;\n          }\n        }\n      }\n\n      frameStart += 10; // advance past the frame header\n\n      frameStart += frameSize; // advance past the frame body\n    } while (frameStart < packet.byteLength);\n\n    return null;\n  };\n\n  var utils = {\n    isLikelyAacData: isLikelyAacData,\n    parseId3TagSize: parseId3TagSize,\n    parseAdtsSize: parseAdtsSize,\n    parseType: parseType$2,\n    parseSampleRate: parseSampleRate,\n    parseAacTimestamp: parseAacTimestamp\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n  var ONE_SECOND_IN_TS = 90000,\n      // 90kHz clock\n  secondsToVideoTs,\n      secondsToAudioTs,\n      videoTsToSeconds,\n      audioTsToSeconds,\n      audioTsToVideoTs,\n      videoTsToAudioTs,\n      metadataTsToSeconds;\n\n  secondsToVideoTs = function secondsToVideoTs(seconds) {\n    return seconds * ONE_SECOND_IN_TS;\n  };\n\n  secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {\n    return seconds * sampleRate;\n  };\n\n  videoTsToSeconds = function videoTsToSeconds(timestamp) {\n    return timestamp / ONE_SECOND_IN_TS;\n  };\n\n  audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {\n    return timestamp / sampleRate;\n  };\n\n  audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {\n    return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));\n  };\n\n  videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {\n    return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);\n  };\n  /**\n   * Adjust ID3 tag or caption timing information by the timeline pts values\n   * (if keepOriginalTimestamps is false) and convert to seconds\n   */\n\n\n  metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {\n    return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);\n  };\n\n  var clock = {\n    ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,\n    secondsToVideoTs: secondsToVideoTs,\n    secondsToAudioTs: secondsToAudioTs,\n    videoTsToSeconds: videoTsToSeconds,\n    audioTsToSeconds: audioTsToSeconds,\n    audioTsToVideoTs: audioTsToVideoTs,\n    videoTsToAudioTs: videoTsToAudioTs,\n    metadataTsToSeconds: metadataTsToSeconds\n  };\n\n  var handleRollover$1 = timestampRolloverStream.handleRollover;\n  var probe$2 = {};\n  probe$2.ts = probe$1;\n  probe$2.aac = utils;\n  var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;\n  var MP2T_PACKET_LENGTH = 188,\n      // bytes\n  SYNC_BYTE = 0x47;\n  /**\n   * walks through segment data looking for pat and pmt packets to parse out\n   * program map table information\n   */\n\n  var parsePsi_ = function parsePsi_(bytes, pmt) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type;\n\n    while (endIndex < bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pat':\n            if (!pmt.pid) {\n              pmt.pid = probe$2.ts.parsePat(packet);\n            }\n\n            break;\n\n          case 'pmt':\n            if (!pmt.table) {\n              pmt.table = probe$2.ts.parsePmt(packet);\n            }\n\n            break;\n\n          default:\n            break;\n        } // Found the pat and pmt, we can stop walking the segment\n\n\n        if (pmt.pid && pmt.table) {\n          return;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    }\n  };\n  /**\n   * walks through the segment data from the start and end to get timing information\n   * for the first and last audio pes packets\n   */\n\n\n  var parseAudioPes_ = function parseAudioPes_(bytes, pmt, result) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type,\n        pesType,\n        pusi,\n        parsed;\n    var endLoop = false; // Start walking from start of segment to get first audio packet\n\n    while (endIndex <= bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'audio' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'audio';\n                result.audio.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    } // Start walking from end of segment to get last audio packet\n\n\n    endIndex = bytes.byteLength;\n    startIndex = endIndex - MP2T_PACKET_LENGTH;\n    endLoop = false;\n\n    while (startIndex >= 0) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'audio' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'audio';\n                result.audio.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex -= MP2T_PACKET_LENGTH;\n        endIndex -= MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex--;\n      endIndex--;\n    }\n  };\n  /**\n   * walks through the segment data from the start and end to get timing information\n   * for the first and last video pes packets as well as timing information for the first\n   * key frame.\n   */\n\n\n  var parseVideoPes_ = function parseVideoPes_(bytes, pmt, result) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type,\n        pesType,\n        pusi,\n        parsed,\n        frame,\n        i,\n        pes;\n    var endLoop = false;\n    var currentFrame = {\n      data: [],\n      size: 0\n    }; // Start walking from start of segment to get first video packet\n\n    while (endIndex < bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'video') {\n              if (pusi && !endLoop) {\n                parsed = probe$2.ts.parsePesTime(packet);\n\n                if (parsed) {\n                  parsed.type = 'video';\n                  result.video.push(parsed);\n                  endLoop = true;\n                }\n              }\n\n              if (!result.firstKeyFrame) {\n                if (pusi) {\n                  if (currentFrame.size !== 0) {\n                    frame = new Uint8Array(currentFrame.size);\n                    i = 0;\n\n                    while (currentFrame.data.length) {\n                      pes = currentFrame.data.shift();\n                      frame.set(pes, i);\n                      i += pes.byteLength;\n                    }\n\n                    if (probe$2.ts.videoPacketContainsKeyFrame(frame)) {\n                      var firstKeyFrame = probe$2.ts.parsePesTime(frame); // PTS/DTS may not be available. Simply *not* setting\n                      // the keyframe seems to work fine with HLS playback\n                      // and definitely preferable to a crash with TypeError...\n\n                      if (firstKeyFrame) {\n                        result.firstKeyFrame = firstKeyFrame;\n                        result.firstKeyFrame.type = 'video';\n                      } else {\n                        // eslint-disable-next-line\n                        console.warn('Failed to extract PTS/DTS from PES at first keyframe. ' + 'This could be an unusual TS segment, or else mux.js did not ' + 'parse your TS segment correctly. If you know your TS ' + 'segments do contain PTS/DTS on keyframes please file a bug ' + 'report! You can try ffprobe to double check for yourself.');\n                      }\n                    }\n\n                    currentFrame.size = 0;\n                  }\n                }\n\n                currentFrame.data.push(packet);\n                currentFrame.size += packet.byteLength;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop && result.firstKeyFrame) {\n          break;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    } // Start walking from end of segment to get last video packet\n\n\n    endIndex = bytes.byteLength;\n    startIndex = endIndex - MP2T_PACKET_LENGTH;\n    endLoop = false;\n\n    while (startIndex >= 0) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'video' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'video';\n                result.video.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex -= MP2T_PACKET_LENGTH;\n        endIndex -= MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex--;\n      endIndex--;\n    }\n  };\n  /**\n   * Adjusts the timestamp information for the segment to account for\n   * rollover and convert to seconds based on pes packet timescale (90khz clock)\n   */\n\n\n  var adjustTimestamp_ = function adjustTimestamp_(segmentInfo, baseTimestamp) {\n    if (segmentInfo.audio && segmentInfo.audio.length) {\n      var audioBaseTimestamp = baseTimestamp;\n\n      if (typeof audioBaseTimestamp === 'undefined') {\n        audioBaseTimestamp = segmentInfo.audio[0].dts;\n      }\n\n      segmentInfo.audio.forEach(function (info) {\n        info.dts = handleRollover$1(info.dts, audioBaseTimestamp);\n        info.pts = handleRollover$1(info.pts, audioBaseTimestamp); // time in seconds\n\n        info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;\n        info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;\n      });\n    }\n\n    if (segmentInfo.video && segmentInfo.video.length) {\n      var videoBaseTimestamp = baseTimestamp;\n\n      if (typeof videoBaseTimestamp === 'undefined') {\n        videoBaseTimestamp = segmentInfo.video[0].dts;\n      }\n\n      segmentInfo.video.forEach(function (info) {\n        info.dts = handleRollover$1(info.dts, videoBaseTimestamp);\n        info.pts = handleRollover$1(info.pts, videoBaseTimestamp); // time in seconds\n\n        info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;\n        info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;\n      });\n\n      if (segmentInfo.firstKeyFrame) {\n        var frame = segmentInfo.firstKeyFrame;\n        frame.dts = handleRollover$1(frame.dts, videoBaseTimestamp);\n        frame.pts = handleRollover$1(frame.pts, videoBaseTimestamp); // time in seconds\n\n        frame.dtsTime = frame.dts / ONE_SECOND_IN_TS$1;\n        frame.ptsTime = frame.dts / ONE_SECOND_IN_TS$1;\n      }\n    }\n  };\n  /**\n   * inspects the aac data stream for start and end time information\n   */\n\n\n  var inspectAac_ = function inspectAac_(bytes) {\n    var endLoop = false,\n        audioCount = 0,\n        sampleRate = null,\n        timestamp = null,\n        frameSize = 0,\n        byteIndex = 0,\n        packet;\n\n    while (bytes.length - byteIndex >= 3) {\n      var type = probe$2.aac.parseType(bytes, byteIndex);\n\n      switch (type) {\n        case 'timed-metadata':\n          // Exit early because we don't have enough to parse\n          // the ID3 tag header\n          if (bytes.length - byteIndex < 10) {\n            endLoop = true;\n            break;\n          }\n\n          frameSize = probe$2.aac.parseId3TagSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer\n          // to emit a full packet\n\n          if (frameSize > bytes.length) {\n            endLoop = true;\n            break;\n          }\n\n          if (timestamp === null) {\n            packet = bytes.subarray(byteIndex, byteIndex + frameSize);\n            timestamp = probe$2.aac.parseAacTimestamp(packet);\n          }\n\n          byteIndex += frameSize;\n          break;\n\n        case 'audio':\n          // Exit early because we don't have enough to parse\n          // the ADTS frame header\n          if (bytes.length - byteIndex < 7) {\n            endLoop = true;\n            break;\n          }\n\n          frameSize = probe$2.aac.parseAdtsSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer\n          // to emit a full packet\n\n          if (frameSize > bytes.length) {\n            endLoop = true;\n            break;\n          }\n\n          if (sampleRate === null) {\n            packet = bytes.subarray(byteIndex, byteIndex + frameSize);\n            sampleRate = probe$2.aac.parseSampleRate(packet);\n          }\n\n          audioCount++;\n          byteIndex += frameSize;\n          break;\n\n        default:\n          byteIndex++;\n          break;\n      }\n\n      if (endLoop) {\n        return null;\n      }\n    }\n\n    if (sampleRate === null || timestamp === null) {\n      return null;\n    }\n\n    var audioTimescale = ONE_SECOND_IN_TS$1 / sampleRate;\n    var result = {\n      audio: [{\n        type: 'audio',\n        dts: timestamp,\n        pts: timestamp\n      }, {\n        type: 'audio',\n        dts: timestamp + audioCount * 1024 * audioTimescale,\n        pts: timestamp + audioCount * 1024 * audioTimescale\n      }]\n    };\n    return result;\n  };\n  /**\n   * inspects the transport stream segment data for start and end time information\n   * of the audio and video tracks (when present) as well as the first key frame's\n   * start time.\n   */\n\n\n  var inspectTs_ = function inspectTs_(bytes) {\n    var pmt = {\n      pid: null,\n      table: null\n    };\n    var result = {};\n    parsePsi_(bytes, pmt);\n\n    for (var pid in pmt.table) {\n      if (pmt.table.hasOwnProperty(pid)) {\n        var type = pmt.table[pid];\n\n        switch (type) {\n          case streamTypes.H264_STREAM_TYPE:\n            result.video = [];\n            parseVideoPes_(bytes, pmt, result);\n\n            if (result.video.length === 0) {\n              delete result.video;\n            }\n\n            break;\n\n          case streamTypes.ADTS_STREAM_TYPE:\n            result.audio = [];\n            parseAudioPes_(bytes, pmt, result);\n\n            if (result.audio.length === 0) {\n              delete result.audio;\n            }\n\n            break;\n\n          default:\n            break;\n        }\n      }\n    }\n\n    return result;\n  };\n  /**\n   * Inspects segment byte data and returns an object with start and end timing information\n   *\n   * @param {Uint8Array} bytes The segment byte data\n   * @param {Number} baseTimestamp Relative reference timestamp used when adjusting frame\n   *  timestamps for rollover. This value must be in 90khz clock.\n   * @return {Object} Object containing start and end frame timing info of segment.\n   */\n\n\n  var inspect = function inspect(bytes, baseTimestamp) {\n    var isAacData = probe$2.aac.isLikelyAacData(bytes);\n    var result;\n\n    if (isAacData) {\n      result = inspectAac_(bytes);\n    } else {\n      result = inspectTs_(bytes);\n    }\n\n    if (!result || !result.audio && !result.video) {\n      return null;\n    }\n\n    adjustTimestamp_(result, baseTimestamp);\n    return result;\n  };\n\n  var tsInspector = {\n    inspect: inspect,\n    parseAudioPes_: parseAudioPes_\n  };\n\n  /*\n   * pkcs7.pad\n   * https://github.com/brightcove/pkcs7\n   *\n   * Copyright (c) 2014 Brightcove\n   * Licensed under the apache2 license.\n   */\n  /**\n   * Returns the subarray of a Uint8Array without PKCS#7 padding.\n   * @param padded {Uint8Array} unencrypted bytes that have been padded\n   * @return {Uint8Array} the unpadded bytes\n   * @see http://tools.ietf.org/html/rfc5652\n   */\n\n  function unpad(padded) {\n    return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);\n  }\n\n  var classCallCheck = function classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var inherits$1 = function inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n  /**\n   * @file aes.js\n   *\n   * This file contains an adaptation of the AES decryption algorithm\n   * from the Standford Javascript Cryptography Library. That work is\n   * covered by the following copyright and permissions notice:\n   *\n   * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n   * All rights reserved.\n   *\n   * Redistribution and use in source and binary forms, with or without\n   * modification, are permitted provided that the following conditions are\n   * met:\n   *\n   * 1. Redistributions of source code must retain the above copyright\n   *    notice, this list of conditions and the following disclaimer.\n   *\n   * 2. Redistributions in binary form must reproduce the above\n   *    copyright notice, this list of conditions and the following\n   *    disclaimer in the documentation and/or other materials provided\n   *    with the distribution.\n   *\n   * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n   * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE\n   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n   * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n   * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n   *\n   * The views and conclusions contained in the software and documentation\n   * are those of the authors and should not be interpreted as representing\n   * official policies, either expressed or implied, of the authors.\n   */\n\n  /**\n   * Expand the S-box tables.\n   *\n   * @private\n   */\n\n\n  var precompute = function precompute() {\n    var tables = [[[], [], [], [], []], [[], [], [], [], []]];\n    var encTable = tables[0];\n    var decTable = tables[1];\n    var sbox = encTable[4];\n    var sboxInv = decTable[4];\n    var i = void 0;\n    var x = void 0;\n    var xInv = void 0;\n    var d = [];\n    var th = [];\n    var x2 = void 0;\n    var x4 = void 0;\n    var x8 = void 0;\n    var s = void 0;\n    var tEnc = void 0;\n    var tDec = void 0; // Compute double and third tables\n\n    for (i = 0; i < 256; i++) {\n      th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;\n    }\n\n    for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n      // Compute sbox\n      s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;\n      s = s >> 8 ^ s & 255 ^ 99;\n      sbox[x] = s;\n      sboxInv[s] = x; // Compute MixColumns\n\n      x8 = d[x4 = d[x2 = d[x]]];\n      tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;\n      tEnc = d[s] * 0x101 ^ s * 0x1010100;\n\n      for (i = 0; i < 4; i++) {\n        encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;\n        decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;\n      }\n    } // Compactify. Considerable speedup on Firefox.\n\n\n    for (i = 0; i < 5; i++) {\n      encTable[i] = encTable[i].slice(0);\n      decTable[i] = decTable[i].slice(0);\n    }\n\n    return tables;\n  };\n\n  var aesTables = null;\n  /**\n   * Schedule out an AES key for both encryption and decryption. This\n   * is a low-level class. Use a cipher mode to do bulk encryption.\n   *\n   * @class AES\n   * @param key {Array} The key as an array of 4, 6 or 8 words.\n   */\n\n  var AES = function () {\n    function AES(key) {\n      classCallCheck(this, AES);\n      /**\n       * The expanded S-box and inverse S-box tables. These will be computed\n       * on the client so that we don't have to send them down the wire.\n       *\n       * There are two tables, _tables[0] is for encryption and\n       * _tables[1] is for decryption.\n       *\n       * The first 4 sub-tables are the expanded S-box with MixColumns. The\n       * last (_tables[01][4]) is the S-box itself.\n       *\n       * @private\n       */\n      // if we have yet to precompute the S-box tables\n      // do so now\n\n      if (!aesTables) {\n        aesTables = precompute();\n      } // then make a copy of that object for use\n\n\n      this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];\n      var i = void 0;\n      var j = void 0;\n      var tmp = void 0;\n      var encKey = void 0;\n      var decKey = void 0;\n      var sbox = this._tables[0][4];\n      var decTable = this._tables[1];\n      var keyLen = key.length;\n      var rcon = 1;\n\n      if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n        throw new Error('Invalid aes key size');\n      }\n\n      encKey = key.slice(0);\n      decKey = [];\n      this._key = [encKey, decKey]; // schedule encryption keys\n\n      for (i = keyLen; i < 4 * keyLen + 28; i++) {\n        tmp = encKey[i - 1]; // apply sbox\n\n        if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {\n          tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon\n\n          if (i % keyLen === 0) {\n            tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;\n            rcon = rcon << 1 ^ (rcon >> 7) * 283;\n          }\n        }\n\n        encKey[i] = encKey[i - keyLen] ^ tmp;\n      } // schedule decryption keys\n\n\n      for (j = 0; i; j++, i--) {\n        tmp = encKey[j & 3 ? i : i - 4];\n\n        if (i <= 4 || j < 4) {\n          decKey[j] = tmp;\n        } else {\n          decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];\n        }\n      }\n    }\n    /**\n     * Decrypt 16 bytes, specified as four 32-bit words.\n     *\n     * @param {Number} encrypted0 the first word to decrypt\n     * @param {Number} encrypted1 the second word to decrypt\n     * @param {Number} encrypted2 the third word to decrypt\n     * @param {Number} encrypted3 the fourth word to decrypt\n     * @param {Int32Array} out the array to write the decrypted words\n     * into\n     * @param {Number} offset the offset into the output array to start\n     * writing results\n     * @return {Array} The plaintext.\n     */\n\n\n    AES.prototype.decrypt = function decrypt(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n      var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data\n\n      var a = encrypted0 ^ key[0];\n      var b = encrypted3 ^ key[1];\n      var c = encrypted2 ^ key[2];\n      var d = encrypted1 ^ key[3];\n      var a2 = void 0;\n      var b2 = void 0;\n      var c2 = void 0; // key.length === 2 ?\n\n      var nInnerRounds = key.length / 4 - 2;\n      var i = void 0;\n      var kIndex = 4;\n      var table = this._tables[1]; // load up the tables\n\n      var table0 = table[0];\n      var table1 = table[1];\n      var table2 = table[2];\n      var table3 = table[3];\n      var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.\n\n      for (i = 0; i < nInnerRounds; i++) {\n        a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];\n        b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n        c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n        d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n        kIndex += 4;\n        a = a2;\n        b = b2;\n        c = c2;\n      } // Last round.\n\n\n      for (i = 0; i < 4; i++) {\n        out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];\n        a2 = a;\n        a = b;\n        b = c;\n        c = d;\n        d = a2;\n      }\n    };\n\n    return AES;\n  }();\n  /**\n   * @file stream.js\n   */\n\n  /**\n   * A lightweight readable stream implemention that handles event dispatching.\n   *\n   * @class Stream\n   */\n\n\n  var Stream$2 = function () {\n    function Stream() {\n      classCallCheck(this, Stream);\n      this.listeners = {};\n    }\n    /**\n     * Add a listener for a specified event type.\n     *\n     * @param {String} type the event name\n     * @param {Function} listener the callback to be invoked when an event of\n     * the specified type occurs\n     */\n\n\n    Stream.prototype.on = function on(type, listener) {\n      if (!this.listeners[type]) {\n        this.listeners[type] = [];\n      }\n\n      this.listeners[type].push(listener);\n    };\n    /**\n     * Remove a listener for a specified event type.\n     *\n     * @param {String} type the event name\n     * @param {Function} listener  a function previously registered for this\n     * type of event through `on`\n     * @return {Boolean} if we could turn it off or not\n     */\n\n\n    Stream.prototype.off = function off(type, listener) {\n      if (!this.listeners[type]) {\n        return false;\n      }\n\n      var index = this.listeners[type].indexOf(listener);\n      this.listeners[type].splice(index, 1);\n      return index > -1;\n    };\n    /**\n     * Trigger an event of the specified type on this stream. Any additional\n     * arguments to this function are passed as parameters to event listeners.\n     *\n     * @param {String} type the event name\n     */\n\n\n    Stream.prototype.trigger = function trigger(type) {\n      var callbacks = this.listeners[type];\n\n      if (!callbacks) {\n        return;\n      } // Slicing the arguments on every invocation of this method\n      // can add a significant amount of overhead. Avoid the\n      // intermediate object creation for the common case of a\n      // single callback argument\n\n\n      if (arguments.length === 2) {\n        var length = callbacks.length;\n\n        for (var i = 0; i < length; ++i) {\n          callbacks[i].call(this, arguments[1]);\n        }\n      } else {\n        var args = Array.prototype.slice.call(arguments, 1);\n        var _length = callbacks.length;\n\n        for (var _i = 0; _i < _length; ++_i) {\n          callbacks[_i].apply(this, args);\n        }\n      }\n    };\n    /**\n     * Destroys the stream and cleans up.\n     */\n\n\n    Stream.prototype.dispose = function dispose() {\n      this.listeners = {};\n    };\n    /**\n     * Forwards all `data` events on this stream to the destination stream. The\n     * destination stream should provide a method `push` to receive the data\n     * events as they arrive.\n     *\n     * @param {Stream} destination the stream that will receive all `data` events\n     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n     */\n\n\n    Stream.prototype.pipe = function pipe(destination) {\n      this.on('data', function (data) {\n        destination.push(data);\n      });\n    };\n\n    return Stream;\n  }();\n  /**\n   * @file async-stream.js\n   */\n\n  /**\n   * A wrapper around the Stream class to use setTiemout\n   * and run stream \"jobs\" Asynchronously\n   *\n   * @class AsyncStream\n   * @extends Stream\n   */\n\n\n  var AsyncStream = function (_Stream) {\n    inherits$1(AsyncStream, _Stream);\n\n    function AsyncStream() {\n      classCallCheck(this, AsyncStream);\n\n      var _this = possibleConstructorReturn(this, _Stream.call(this, Stream$2));\n\n      _this.jobs = [];\n      _this.delay = 1;\n      _this.timeout_ = null;\n      return _this;\n    }\n    /**\n     * process an async job\n     *\n     * @private\n     */\n\n\n    AsyncStream.prototype.processJob_ = function processJob_() {\n      this.jobs.shift()();\n\n      if (this.jobs.length) {\n        this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n      } else {\n        this.timeout_ = null;\n      }\n    };\n    /**\n     * push a job into the stream\n     *\n     * @param {Function} job the job to push into the stream\n     */\n\n\n    AsyncStream.prototype.push = function push(job) {\n      this.jobs.push(job);\n\n      if (!this.timeout_) {\n        this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n      }\n    };\n\n    return AsyncStream;\n  }(Stream$2);\n  /**\n   * @file decrypter.js\n   *\n   * An asynchronous implementation of AES-128 CBC decryption with\n   * PKCS#7 padding.\n   */\n\n  /**\n   * Convert network-order (big-endian) bytes into their little-endian\n   * representation.\n   */\n\n\n  var ntoh = function ntoh(word) {\n    return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;\n  };\n  /**\n   * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n   *\n   * @param {Uint8Array} encrypted the encrypted bytes\n   * @param {Uint32Array} key the bytes of the decryption key\n   * @param {Uint32Array} initVector the initialization vector (IV) to\n   * use for the first round of CBC.\n   * @return {Uint8Array} the decrypted bytes\n   *\n   * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n   * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n   * @see https://tools.ietf.org/html/rfc2315\n   */\n\n\n  var decrypt = function decrypt(encrypted, key, initVector) {\n    // word-level access to the encrypted bytes\n    var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);\n    var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output\n\n    var decrypted = new Uint8Array(encrypted.byteLength);\n    var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and\n    // decrypted data\n\n    var init0 = void 0;\n    var init1 = void 0;\n    var init2 = void 0;\n    var init3 = void 0;\n    var encrypted0 = void 0;\n    var encrypted1 = void 0;\n    var encrypted2 = void 0;\n    var encrypted3 = void 0; // iteration variable\n\n    var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the\n    // passed-in reference and easier access\n\n    init0 = initVector[0];\n    init1 = initVector[1];\n    init2 = initVector[2];\n    init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)\n    // to each decrypted block\n\n    for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n      // convert big-endian (network order) words into little-endian\n      // (javascript order)\n      encrypted0 = ntoh(encrypted32[wordIx]);\n      encrypted1 = ntoh(encrypted32[wordIx + 1]);\n      encrypted2 = ntoh(encrypted32[wordIx + 2]);\n      encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block\n\n      decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the\n      // plaintext\n\n      decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);\n      decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);\n      decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);\n      decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round\n\n      init0 = encrypted0;\n      init1 = encrypted1;\n      init2 = encrypted2;\n      init3 = encrypted3;\n    }\n\n    return decrypted;\n  };\n  /**\n   * The `Decrypter` class that manages decryption of AES\n   * data through `AsyncStream` objects and the `decrypt`\n   * function\n   *\n   * @param {Uint8Array} encrypted the encrypted bytes\n   * @param {Uint32Array} key the bytes of the decryption key\n   * @param {Uint32Array} initVector the initialization vector (IV) to\n   * @param {Function} done the function to run when done\n   * @class Decrypter\n   */\n\n\n  var Decrypter = function () {\n    function Decrypter(encrypted, key, initVector, done) {\n      classCallCheck(this, Decrypter);\n      var step = Decrypter.STEP;\n      var encrypted32 = new Int32Array(encrypted.buffer);\n      var decrypted = new Uint8Array(encrypted.byteLength);\n      var i = 0;\n      this.asyncStream_ = new AsyncStream(); // split up the encryption job and do the individual chunks asynchronously\n\n      this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n\n      for (i = step; i < encrypted32.length; i += step) {\n        initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);\n        this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n      } // invoke the done() callback when everything is finished\n\n\n      this.asyncStream_.push(function () {\n        // remove pkcs#7 padding from the decrypted bytes\n        done(null, unpad(decrypted));\n      });\n    }\n    /**\n     * a getter for step the maximum number of bytes to process at one time\n     *\n     * @return {Number} the value of step 32000\n     */\n\n    /**\n     * @private\n     */\n\n\n    Decrypter.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {\n      return function () {\n        var bytes = decrypt(encrypted, key, initVector);\n        decrypted.set(bytes, encrypted.byteOffset);\n      };\n    };\n\n    createClass(Decrypter, null, [{\n      key: 'STEP',\n      get: function get$$1() {\n        // 4 * 8000;\n        return 32000;\n      }\n    }]);\n    return Decrypter;\n  }();\n\n  /**\n   * @videojs/http-streaming\n   * @version 1.12.3\n   * @copyright 2020 Brightcove, Inc\n   * @license Apache-2.0\n   */\n  /**\n   * @file resolve-url.js - Handling how URLs are resolved and manipulated\n   */\n\n  var resolveUrl$1 = function resolveUrl(baseURL, relativeURL) {\n    // return early if we don't need to resolve\n    if (/^[a-z]+:/i.test(relativeURL)) {\n      return relativeURL;\n    } // if the base URL is relative then combine with the current location\n\n\n    if (!/\\/\\//i.test(baseURL)) {\n      baseURL = urlToolkit.buildAbsoluteURL(window$3.location.href, baseURL);\n    }\n\n    return urlToolkit.buildAbsoluteURL(baseURL, relativeURL);\n  };\n  /**\n   * Checks whether xhr request was redirected and returns correct url depending\n   * on `handleManifestRedirects` option\n   *\n   * @api private\n   *\n   * @param  {String} url - an url being requested\n   * @param  {XMLHttpRequest} req - xhr request result\n   *\n   * @return {String}\n   */\n\n\n  var resolveManifestRedirect = function resolveManifestRedirect(handleManifestRedirect, url, req) {\n    // To understand how the responseURL below is set and generated:\n    // - https://fetch.spec.whatwg.org/#concept-response-url\n    // - https://fetch.spec.whatwg.org/#atomic-http-redirect-handling\n    if (handleManifestRedirect && req.responseURL && url !== req.responseURL) {\n      return req.responseURL;\n    }\n\n    return url;\n  };\n\n  var classCallCheck$1 = function classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass$1 = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var get$1 = function get(object, property, receiver) {\n    if (object === null) object = Function.prototype;\n    var desc = Object.getOwnPropertyDescriptor(object, property);\n\n    if (desc === undefined) {\n      var parent = Object.getPrototypeOf(object);\n\n      if (parent === null) {\n        return undefined;\n      } else {\n        return get(parent, property, receiver);\n      }\n    } else if (\"value\" in desc) {\n      return desc.value;\n    } else {\n      var getter = desc.get;\n\n      if (getter === undefined) {\n        return undefined;\n      }\n\n      return getter.call(receiver);\n    }\n  };\n\n  var inherits$2 = function inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn$1 = function possibleConstructorReturn(self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n\n  var slicedToArray = function () {\n    function sliceIterator(arr, i) {\n      var _arr = [];\n      var _n = true;\n      var _d = false;\n      var _e = undefined;\n\n      try {\n        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n          _arr.push(_s.value);\n\n          if (i && _arr.length === i) break;\n        }\n      } catch (err) {\n        _d = true;\n        _e = err;\n      } finally {\n        try {\n          if (!_n && _i[\"return\"]) _i[\"return\"]();\n        } finally {\n          if (_d) throw _e;\n        }\n      }\n\n      return _arr;\n    }\n\n    return function (arr, i) {\n      if (Array.isArray(arr)) {\n        return arr;\n      } else if (Symbol.iterator in Object(arr)) {\n        return sliceIterator(arr, i);\n      } else {\n        throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n      }\n    };\n  }();\n  /**\n   * @file playlist-loader.js\n   *\n   * A state machine that manages the loading, caching, and updating of\n   * M3U8 playlists.\n   *\n   */\n\n\n  var mergeOptions$1 = videojs$1.mergeOptions,\n      EventTarget$1 = videojs$1.EventTarget,\n      log$1 = videojs$1.log;\n  /**\n   * Loops through all supported media groups in master and calls the provided\n   * callback for each group\n   *\n   * @param {Object} master\n   *        The parsed master manifest object\n   * @param {Function} callback\n   *        Callback to call for each media group\n   */\n\n  var forEachMediaGroup = function forEachMediaGroup(master, callback) {\n    ['AUDIO', 'SUBTITLES'].forEach(function (mediaType) {\n      for (var groupKey in master.mediaGroups[mediaType]) {\n        for (var labelKey in master.mediaGroups[mediaType][groupKey]) {\n          var mediaProperties = master.mediaGroups[mediaType][groupKey][labelKey];\n          callback(mediaProperties, mediaType, groupKey, labelKey);\n        }\n      }\n    });\n  };\n  /**\n    * Returns a new array of segments that is the result of merging\n    * properties from an older list of segments onto an updated\n    * list. No properties on the updated playlist will be overridden.\n    *\n    * @param {Array} original the outdated list of segments\n    * @param {Array} update the updated list of segments\n    * @param {Number=} offset the index of the first update\n    * segment in the original segment list. For non-live playlists,\n    * this should always be zero and does not need to be\n    * specified. For live playlists, it should be the difference\n    * between the media sequence numbers in the original and updated\n    * playlists.\n    * @return a list of merged segment objects\n    */\n\n\n  var updateSegments = function updateSegments(original, update, offset) {\n    var result = update.slice();\n    offset = offset || 0;\n    var length = Math.min(original.length, update.length + offset);\n\n    for (var i = offset; i < length; i++) {\n      result[i - offset] = mergeOptions$1(original[i], result[i - offset]);\n    }\n\n    return result;\n  };\n\n  var resolveSegmentUris = function resolveSegmentUris(segment, baseUri) {\n    if (!segment.resolvedUri) {\n      segment.resolvedUri = resolveUrl$1(baseUri, segment.uri);\n    }\n\n    if (segment.key && !segment.key.resolvedUri) {\n      segment.key.resolvedUri = resolveUrl$1(baseUri, segment.key.uri);\n    }\n\n    if (segment.map && !segment.map.resolvedUri) {\n      segment.map.resolvedUri = resolveUrl$1(baseUri, segment.map.uri);\n    }\n  };\n  /**\n    * Returns a new master playlist that is the result of merging an\n    * updated media playlist into the original version. If the\n    * updated media playlist does not match any of the playlist\n    * entries in the original master playlist, null is returned.\n    *\n    * @param {Object} master a parsed master M3U8 object\n    * @param {Object} media a parsed media M3U8 object\n    * @return {Object} a new object that represents the original\n    * master playlist with the updated media playlist merged in, or\n    * null if the merge produced no change.\n    */\n\n\n  var updateMaster = function updateMaster(master, media) {\n    var result = mergeOptions$1(master, {});\n    var playlist = result.playlists[media.id];\n\n    if (!playlist) {\n      return null;\n    } // consider the playlist unchanged if the number of segments is equal, the media\n    // sequence number is unchanged, and this playlist hasn't become the end of the playlist\n\n\n    if (playlist.segments && media.segments && playlist.segments.length === media.segments.length && playlist.endList === media.endList && playlist.mediaSequence === media.mediaSequence) {\n      return null;\n    }\n\n    var mergedPlaylist = mergeOptions$1(playlist, media); // if the update could overlap existing segment information, merge the two segment lists\n\n    if (playlist.segments) {\n      mergedPlaylist.segments = updateSegments(playlist.segments, media.segments, media.mediaSequence - playlist.mediaSequence);\n    } // resolve any segment URIs to prevent us from having to do it later\n\n\n    mergedPlaylist.segments.forEach(function (segment) {\n      resolveSegmentUris(segment, mergedPlaylist.resolvedUri);\n    }); // TODO Right now in the playlists array there are two references to each playlist, one\n    // that is referenced by index, and one by URI. The index reference may no longer be\n    // necessary.\n\n    for (var i = 0; i < result.playlists.length; i++) {\n      if (result.playlists[i].id === media.id) {\n        result.playlists[i] = mergedPlaylist;\n      }\n    }\n\n    result.playlists[media.id] = mergedPlaylist; // URI reference added for backwards compatibility\n\n    result.playlists[media.uri] = mergedPlaylist;\n    return result;\n  };\n\n  var createPlaylistID = function createPlaylistID(index, uri) {\n    return index + '-' + uri;\n  };\n\n  var setupMediaPlaylists = function setupMediaPlaylists(master) {\n    // setup by-URI lookups and resolve media playlist URIs\n    var i = master.playlists.length;\n\n    while (i--) {\n      var playlist = master.playlists[i];\n      playlist.resolvedUri = resolveUrl$1(master.uri, playlist.uri);\n      playlist.id = createPlaylistID(i, playlist.uri);\n      master.playlists[playlist.id] = playlist; // URI reference added for backwards compatibility\n\n      master.playlists[playlist.uri] = playlist;\n\n      if (!playlist.attributes) {\n        // Although the spec states an #EXT-X-STREAM-INF tag MUST have a\n        // BANDWIDTH attribute, we can play the stream without it. This means a poorly\n        // formatted master playlist may not have an attribute list. An attributes\n        // property is added here to prevent undefined references when we encounter\n        // this scenario.\n        playlist.attributes = {};\n        log$1.warn('Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute.');\n      }\n    }\n  };\n\n  var resolveMediaGroupUris = function resolveMediaGroupUris(master) {\n    forEachMediaGroup(master, function (properties) {\n      if (properties.uri) {\n        properties.resolvedUri = resolveUrl$1(master.uri, properties.uri);\n      }\n    });\n  };\n  /**\n   * Calculates the time to wait before refreshing a live playlist\n   *\n   * @param {Object} media\n   *        The current media\n   * @param {Boolean} update\n   *        True if there were any updates from the last refresh, false otherwise\n   * @return {Number}\n   *         The time in ms to wait before refreshing the live playlist\n   */\n\n\n  var refreshDelay = function refreshDelay(media, update) {\n    var lastSegment = media.segments[media.segments.length - 1];\n    var delay = void 0;\n\n    if (update && lastSegment && lastSegment.duration) {\n      delay = lastSegment.duration * 1000;\n    } else {\n      // if the playlist is unchanged since the last reload or last segment duration\n      // cannot be determined, try again after half the target duration\n      delay = (media.targetDuration || 10) * 500;\n    }\n\n    return delay;\n  };\n  /**\n   * Load a playlist from a remote location\n   *\n   * @class PlaylistLoader\n   * @extends Stream\n   * @param {String} srcUrl the url to start with\n   * @param {Boolean} withCredentials the withCredentials xhr option\n   * @constructor\n   */\n\n\n  var PlaylistLoader = function (_EventTarget) {\n    inherits$2(PlaylistLoader, _EventTarget);\n\n    function PlaylistLoader(srcUrl, hls) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      classCallCheck$1(this, PlaylistLoader);\n\n      var _this = possibleConstructorReturn$1(this, (PlaylistLoader.__proto__ || Object.getPrototypeOf(PlaylistLoader)).call(this));\n\n      var _options$withCredenti = options.withCredentials,\n          withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,\n          _options$handleManife = options.handleManifestRedirects,\n          handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;\n      _this.srcUrl = srcUrl;\n      _this.hls_ = hls;\n      _this.withCredentials = withCredentials;\n      _this.handleManifestRedirects = handleManifestRedirects;\n      var hlsOptions = hls.options_;\n      _this.customTagParsers = hlsOptions && hlsOptions.customTagParsers || [];\n      _this.customTagMappers = hlsOptions && hlsOptions.customTagMappers || [];\n\n      if (!_this.srcUrl) {\n        throw new Error('A non-empty playlist URL is required');\n      } // initialize the loader state\n\n\n      _this.state = 'HAVE_NOTHING'; // live playlist staleness timeout\n\n      _this.on('mediaupdatetimeout', function () {\n        if (_this.state !== 'HAVE_METADATA') {\n          // only refresh the media playlist if no other activity is going on\n          return;\n        }\n\n        _this.state = 'HAVE_CURRENT_METADATA';\n        _this.request = _this.hls_.xhr({\n          uri: resolveUrl$1(_this.master.uri, _this.media().uri),\n          withCredentials: _this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this.request) {\n            return;\n          }\n\n          if (error) {\n            return _this.playlistRequestError(_this.request, _this.media(), 'HAVE_METADATA');\n          }\n\n          _this.haveMetadata(_this.request, _this.media().uri, _this.media().id);\n        });\n      });\n\n      return _this;\n    }\n\n    createClass$1(PlaylistLoader, [{\n      key: 'playlistRequestError',\n      value: function playlistRequestError(xhr, playlist, startingState) {\n        var uri = playlist.uri,\n            id = playlist.id; // any in-flight request is now finished\n\n        this.request = null;\n\n        if (startingState) {\n          this.state = startingState;\n        }\n\n        this.error = {\n          playlist: this.master.playlists[id],\n          status: xhr.status,\n          message: 'HLS playlist request error at URL: ' + uri + '.',\n          responseText: xhr.responseText,\n          code: xhr.status >= 500 ? 4 : 2\n        };\n        this.trigger('error');\n      } // update the playlist loader's state in response to a new or\n      // updated playlist.\n\n    }, {\n      key: 'haveMetadata',\n      value: function haveMetadata(xhr, url, id) {\n        var _this2 = this; // any in-flight request is now finished\n\n\n        this.request = null;\n        this.state = 'HAVE_METADATA';\n        var parser = new Parser(); // adding custom tag parsers\n\n        this.customTagParsers.forEach(function (customParser) {\n          return parser.addParser(customParser);\n        }); // adding custom tag mappers\n\n        this.customTagMappers.forEach(function (mapper) {\n          return parser.addTagMapper(mapper);\n        });\n        parser.push(xhr.responseText);\n        parser.end();\n        parser.manifest.uri = url;\n        parser.manifest.id = id; // m3u8-parser does not attach an attributes property to media playlists so make\n        // sure that the property is attached to avoid undefined reference errors\n\n        parser.manifest.attributes = parser.manifest.attributes || {}; // merge this playlist into the master\n\n        var update = updateMaster(this.master, parser.manifest);\n        this.targetDuration = parser.manifest.targetDuration;\n\n        if (update) {\n          this.master = update;\n          this.media_ = this.master.playlists[id];\n        } else {\n          this.trigger('playlistunchanged');\n        } // refresh live playlists after a target duration passes\n\n\n        if (!this.media().endList) {\n          window$3.clearTimeout(this.mediaUpdateTimeout);\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            _this2.trigger('mediaupdatetimeout');\n          }, refreshDelay(this.media(), !!update));\n        }\n\n        this.trigger('loadedplaylist');\n      }\n      /**\n       * Abort any outstanding work and clean up.\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.finalRenditionTimeout);\n        this.off();\n      }\n    }, {\n      key: 'stopRequest',\n      value: function stopRequest() {\n        if (this.request) {\n          var oldRequest = this.request;\n          this.request = null;\n          oldRequest.onreadystatechange = null;\n          oldRequest.abort();\n        }\n      }\n      /**\n       * When called without any arguments, returns the currently\n       * active media playlist. When called with a single argument,\n       * triggers the playlist loader to asynchronously switch to the\n       * specified media playlist. Calling this method while the\n       * loader is in the HAVE_NOTHING causes an error to be emitted\n       * but otherwise has no effect.\n       *\n       * @param {Object=} playlist the parsed media playlist\n       * object to switch to\n       * @param {Boolean=} is this the last available playlist\n       *\n       * @return {Playlist} the current loaded media\n       */\n\n    }, {\n      key: 'media',\n      value: function media(playlist, isFinalRendition) {\n        var _this3 = this; // getter\n\n\n        if (!playlist) {\n          return this.media_;\n        } // setter\n\n\n        if (this.state === 'HAVE_NOTHING') {\n          throw new Error('Cannot switch media playlist from ' + this.state);\n        } // find the playlist object if the target playlist has been\n        // specified by URI\n\n\n        if (typeof playlist === 'string') {\n          if (!this.master.playlists[playlist]) {\n            throw new Error('Unknown playlist URI: ' + playlist);\n          }\n\n          playlist = this.master.playlists[playlist];\n        }\n\n        window$3.clearTimeout(this.finalRenditionTimeout);\n\n        if (isFinalRendition) {\n          var delay = playlist.targetDuration / 2 * 1000 || 5 * 1000;\n          this.finalRenditionTimeout = window$3.setTimeout(this.media.bind(this, playlist, false), delay);\n          return;\n        }\n\n        var startingState = this.state;\n        var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to fully loaded playlists immediately\n\n        if (this.master.playlists[playlist.id].endList) {\n          // abort outstanding playlist requests\n          if (this.request) {\n            this.request.onreadystatechange = null;\n            this.request.abort();\n            this.request = null;\n          }\n\n          this.state = 'HAVE_METADATA';\n          this.media_ = playlist; // trigger media change if the active media has been updated\n\n          if (mediaChange) {\n            this.trigger('mediachanging');\n            this.trigger('mediachange');\n          }\n\n          return;\n        } // switching to the active playlist is a no-op\n\n\n        if (!mediaChange) {\n          return;\n        }\n\n        this.state = 'SWITCHING_MEDIA'; // there is already an outstanding playlist request\n\n        if (this.request) {\n          if (playlist.resolvedUri === this.request.url) {\n            // requesting to switch to the same playlist multiple times\n            // has no effect after the first\n            return;\n          }\n\n          this.request.onreadystatechange = null;\n          this.request.abort();\n          this.request = null;\n        } // request the new playlist\n\n\n        if (this.media_) {\n          this.trigger('mediachanging');\n        }\n\n        this.request = this.hls_.xhr({\n          uri: playlist.resolvedUri,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this3.request) {\n            return;\n          }\n\n          playlist.resolvedUri = resolveManifestRedirect(_this3.handleManifestRedirects, playlist.resolvedUri, req);\n\n          if (error) {\n            return _this3.playlistRequestError(_this3.request, playlist, startingState);\n          }\n\n          _this3.haveMetadata(req, playlist.uri, playlist.id); // fire loadedmetadata the first time a media playlist is loaded\n\n\n          if (startingState === 'HAVE_MASTER') {\n            _this3.trigger('loadedmetadata');\n          } else {\n            _this3.trigger('mediachange');\n          }\n        });\n      }\n      /**\n       * pause loading of the playlist\n       */\n\n    }, {\n      key: 'pause',\n      value: function pause() {\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n\n        if (this.state === 'HAVE_NOTHING') {\n          // If we pause the loader before any data has been retrieved, its as if we never\n          // started, so reset to an unstarted state.\n          this.started = false;\n        } // Need to restore state now that no activity is happening\n\n\n        if (this.state === 'SWITCHING_MEDIA') {\n          // if the loader was in the process of switching media, it should either return to\n          // HAVE_MASTER or HAVE_METADATA depending on if the loader has loaded a media\n          // playlist yet. This is determined by the existence of loader.media_\n          if (this.media_) {\n            this.state = 'HAVE_METADATA';\n          } else {\n            this.state = 'HAVE_MASTER';\n          }\n        } else if (this.state === 'HAVE_CURRENT_METADATA') {\n          this.state = 'HAVE_METADATA';\n        }\n      }\n      /**\n       * start loading of the playlist\n       */\n\n    }, {\n      key: 'load',\n      value: function load(isFinalRendition) {\n        var _this4 = this;\n\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        var media = this.media();\n\n        if (isFinalRendition) {\n          var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            return _this4.load();\n          }, delay);\n          return;\n        }\n\n        if (!this.started) {\n          this.start();\n          return;\n        }\n\n        if (media && !media.endList) {\n          this.trigger('mediaupdatetimeout');\n        } else {\n          this.trigger('loadedplaylist');\n        }\n      }\n      /**\n       * start loading of the playlist\n       */\n\n    }, {\n      key: 'start',\n      value: function start() {\n        var _this5 = this;\n\n        this.started = true; // request the specified URL\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this5.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this5.request = null;\n\n          if (error) {\n            _this5.error = {\n              status: req.status,\n              message: 'HLS playlist request error at URL: ' + _this5.srcUrl + '.',\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this5.state === 'HAVE_NOTHING') {\n              _this5.started = false;\n            }\n\n            return _this5.trigger('error');\n          }\n\n          var parser = new Parser(); // adding custom tag parsers\n\n          _this5.customTagParsers.forEach(function (customParser) {\n            return parser.addParser(customParser);\n          }); // adding custom tag mappers\n\n\n          _this5.customTagMappers.forEach(function (mapper) {\n            return parser.addTagMapper(mapper);\n          });\n\n          parser.push(req.responseText);\n          parser.end();\n          _this5.state = 'HAVE_MASTER';\n          _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);\n          parser.manifest.uri = _this5.srcUrl; // loaded a master playlist\n\n          if (parser.manifest.playlists) {\n            _this5.master = parser.manifest;\n            setupMediaPlaylists(_this5.master);\n            resolveMediaGroupUris(_this5.master);\n\n            _this5.trigger('loadedplaylist');\n\n            if (!_this5.request) {\n              // no media playlist was specifically selected so start\n              // from the first listed one\n              _this5.media(parser.manifest.playlists[0]);\n            }\n\n            return;\n          }\n\n          var id = createPlaylistID(0, _this5.srcUrl); // loaded a media playlist\n          // infer a master playlist if none was previously requested\n\n          _this5.master = {\n            mediaGroups: {\n              'AUDIO': {},\n              'VIDEO': {},\n              'CLOSED-CAPTIONS': {},\n              'SUBTITLES': {}\n            },\n            uri: window$3.location.href,\n            playlists: [{\n              uri: _this5.srcUrl,\n              id: id,\n              resolvedUri: _this5.srcUrl,\n              // m3u8-parser does not attach an attributes property to media playlists so make\n              // sure that the property is attached to avoid undefined reference errors\n              attributes: {}\n            }]\n          };\n          _this5.master.playlists[id] = _this5.master.playlists[0]; // URI reference added for backwards compatibility\n\n          _this5.master.playlists[_this5.srcUrl] = _this5.master.playlists[0];\n\n          _this5.haveMetadata(req, _this5.srcUrl, id);\n\n          return _this5.trigger('loadedmetadata');\n        });\n      }\n    }]);\n    return PlaylistLoader;\n  }(EventTarget$1);\n  /**\n   * @file playlist.js\n   *\n   * Playlist related utilities.\n   */\n\n\n  var createTimeRange = videojs$1.createTimeRange;\n  /**\n   * walk backward until we find a duration we can use\n   * or return a failure\n   *\n   * @param {Playlist} playlist the playlist to walk through\n   * @param {Number} endSequence the mediaSequence to stop walking on\n   */\n\n  var backwardDuration = function backwardDuration(playlist, endSequence) {\n    var result = 0;\n    var i = endSequence - playlist.mediaSequence; // if a start time is available for segment immediately following\n    // the interval, use it\n\n    var segment = playlist.segments[i]; // Walk backward until we find the latest segment with timeline\n    // information that is earlier than endSequence\n\n    if (segment) {\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: segment.start,\n          precise: true\n        };\n      }\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: segment.end - segment.duration,\n          precise: true\n        };\n      }\n    }\n\n    while (i--) {\n      segment = playlist.segments[i];\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: result + segment.end,\n          precise: true\n        };\n      }\n\n      result += segment.duration;\n\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: result + segment.start,\n          precise: true\n        };\n      }\n    }\n\n    return {\n      result: result,\n      precise: false\n    };\n  };\n  /**\n   * walk forward until we find a duration we can use\n   * or return a failure\n   *\n   * @param {Playlist} playlist the playlist to walk through\n   * @param {Number} endSequence the mediaSequence to stop walking on\n   */\n\n\n  var forwardDuration = function forwardDuration(playlist, endSequence) {\n    var result = 0;\n    var segment = void 0;\n    var i = endSequence - playlist.mediaSequence; // Walk forward until we find the earliest segment with timeline\n    // information\n\n    for (; i < playlist.segments.length; i++) {\n      segment = playlist.segments[i];\n\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: segment.start - result,\n          precise: true\n        };\n      }\n\n      result += segment.duration;\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: segment.end - result,\n          precise: true\n        };\n      }\n    } // indicate we didn't find a useful duration estimate\n\n\n    return {\n      result: -1,\n      precise: false\n    };\n  };\n  /**\n    * Calculate the media duration from the segments associated with a\n    * playlist. The duration of a subinterval of the available segments\n    * may be calculated by specifying an end index.\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number=} endSequence an exclusive upper boundary\n    * for the playlist.  Defaults to playlist length.\n    * @param {Number} expired the amount of time that has dropped\n    * off the front of the playlist in a live scenario\n    * @return {Number} the duration between the first available segment\n    * and end index.\n    */\n\n\n  var intervalDuration = function intervalDuration(playlist, endSequence, expired) {\n    var backward = void 0;\n    var forward = void 0;\n\n    if (typeof endSequence === 'undefined') {\n      endSequence = playlist.mediaSequence + playlist.segments.length;\n    }\n\n    if (endSequence < playlist.mediaSequence) {\n      return 0;\n    } // do a backward walk to estimate the duration\n\n\n    backward = backwardDuration(playlist, endSequence);\n\n    if (backward.precise) {\n      // if we were able to base our duration estimate on timing\n      // information provided directly from the Media Source, return\n      // it\n      return backward.result;\n    } // walk forward to see if a precise duration estimate can be made\n    // that way\n\n\n    forward = forwardDuration(playlist, endSequence);\n\n    if (forward.precise) {\n      // we found a segment that has been buffered and so it's\n      // position is known precisely\n      return forward.result;\n    } // return the less-precise, playlist-based duration estimate\n\n\n    return backward.result + expired;\n  };\n  /**\n    * Calculates the duration of a playlist. If a start and end index\n    * are specified, the duration will be for the subset of the media\n    * timeline between those two indices. The total duration for live\n    * playlists is always Infinity.\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number=} endSequence an exclusive upper\n    * boundary for the playlist. Defaults to the playlist media\n    * sequence number plus its length.\n    * @param {Number=} expired the amount of time that has\n    * dropped off the front of the playlist in a live scenario\n    * @return {Number} the duration between the start index and end\n    * index.\n    */\n\n\n  var duration = function duration(playlist, endSequence, expired) {\n    if (!playlist) {\n      return 0;\n    }\n\n    if (typeof expired !== 'number') {\n      expired = 0;\n    } // if a slice of the total duration is not requested, use\n    // playlist-level duration indicators when they're present\n\n\n    if (typeof endSequence === 'undefined') {\n      // if present, use the duration specified in the playlist\n      if (playlist.totalDuration) {\n        return playlist.totalDuration;\n      } // duration should be Infinity for live playlists\n\n\n      if (!playlist.endList) {\n        return window$3.Infinity;\n      }\n    } // calculate the total duration based on the segment durations\n\n\n    return intervalDuration(playlist, endSequence, expired);\n  };\n  /**\n    * Calculate the time between two indexes in the current playlist\n    * neight the start- nor the end-index need to be within the current\n    * playlist in which case, the targetDuration of the playlist is used\n    * to approximate the durations of the segments\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number} startIndex\n    * @param {Number} endIndex\n    * @return {Number} the number of seconds between startIndex and endIndex\n    */\n\n\n  var sumDurations = function sumDurations(playlist, startIndex, endIndex) {\n    var durations = 0;\n\n    if (startIndex > endIndex) {\n      var _ref = [endIndex, startIndex];\n      startIndex = _ref[0];\n      endIndex = _ref[1];\n    }\n\n    if (startIndex < 0) {\n      for (var i = startIndex; i < Math.min(0, endIndex); i++) {\n        durations += playlist.targetDuration;\n      }\n\n      startIndex = 0;\n    }\n\n    for (var _i = startIndex; _i < endIndex; _i++) {\n      durations += playlist.segments[_i].duration;\n    }\n\n    return durations;\n  };\n  /**\n   * Determines the media index of the segment corresponding to the safe edge of the live\n   * window which is the duration of the last segment plus 2 target durations from the end\n   * of the playlist.\n   *\n   * A liveEdgePadding can be provided which will be used instead of calculating the safe live edge.\n   * This corresponds to suggestedPresentationDelay in DASH manifests.\n   *\n   * @param {Object} playlist\n   *        a media playlist object\n   * @param {Number} [liveEdgePadding]\n   *        A number in seconds indicating how far from the end we want to be.\n   *        If provided, this value is used instead of calculating the safe live index from the target durations.\n   *        Corresponds to suggestedPresentationDelay in DASH manifests.\n   * @return {Number}\n   *         The media index of the segment at the safe live point. 0 if there is no \"safe\"\n   *         point.\n   * @function safeLiveIndex\n   */\n\n\n  var safeLiveIndex = function safeLiveIndex(playlist, liveEdgePadding) {\n    if (!playlist.segments.length) {\n      return 0;\n    }\n\n    var i = playlist.segments.length;\n    var lastSegmentDuration = playlist.segments[i - 1].duration || playlist.targetDuration;\n    var safeDistance = typeof liveEdgePadding === 'number' ? liveEdgePadding : lastSegmentDuration + playlist.targetDuration * 2;\n\n    if (safeDistance === 0) {\n      return i;\n    }\n\n    var distanceFromEnd = 0;\n\n    while (i--) {\n      distanceFromEnd += playlist.segments[i].duration;\n\n      if (distanceFromEnd >= safeDistance) {\n        break;\n      }\n    }\n\n    return Math.max(0, i);\n  };\n  /**\n   * Calculates the playlist end time\n   *\n   * @param {Object} playlist a media playlist object\n   * @param {Number=} expired the amount of time that has\n   *                  dropped off the front of the playlist in a live scenario\n   * @param {Boolean|false} useSafeLiveEnd a boolean value indicating whether or not the\n   *                        playlist end calculation should consider the safe live end\n   *                        (truncate the playlist end by three segments). This is normally\n   *                        used for calculating the end of the playlist's seekable range.\n   *                        This takes into account the value of liveEdgePadding.\n   *                        Setting liveEdgePadding to 0 is equivalent to setting this to false.\n   * @param {Number} liveEdgePadding a number indicating how far from the end of the playlist we should be in seconds.\n   *                 If this is provided, it is used in the safe live end calculation.\n   *                 Setting useSafeLiveEnd=false or liveEdgePadding=0 are equivalent.\n   *                 Corresponds to suggestedPresentationDelay in DASH manifests.\n   * @returns {Number} the end time of playlist\n   * @function playlistEnd\n   */\n\n\n  var playlistEnd = function playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding) {\n    if (!playlist || !playlist.segments) {\n      return null;\n    }\n\n    if (playlist.endList) {\n      return duration(playlist);\n    }\n\n    if (expired === null) {\n      return null;\n    }\n\n    expired = expired || 0;\n    var endSequence = useSafeLiveEnd ? safeLiveIndex(playlist, liveEdgePadding) : playlist.segments.length;\n    return intervalDuration(playlist, playlist.mediaSequence + endSequence, expired);\n  };\n  /**\n    * Calculates the interval of time that is currently seekable in a\n    * playlist. The returned time ranges are relative to the earliest\n    * moment in the specified playlist that is still available. A full\n    * seekable implementation for live streams would need to offset\n    * these values by the duration of content that has expired from the\n    * stream.\n    *\n    * @param {Object} playlist a media playlist object\n    * dropped off the front of the playlist in a live scenario\n    * @param {Number=} expired the amount of time that has\n    * dropped off the front of the playlist in a live scenario\n    * @param {Number} liveEdgePadding how far from the end of the playlist we should be in seconds.\n    *        Corresponds to suggestedPresentationDelay in DASH manifests.\n    * @return {TimeRanges} the periods of time that are valid targets\n    * for seeking\n    */\n\n\n  var seekable = function seekable(playlist, expired, liveEdgePadding) {\n    var useSafeLiveEnd = true;\n    var seekableStart = expired || 0;\n    var seekableEnd = playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding);\n\n    if (seekableEnd === null) {\n      return createTimeRange();\n    }\n\n    return createTimeRange(seekableStart, seekableEnd);\n  };\n\n  var isWholeNumber = function isWholeNumber(num) {\n    return num - Math.floor(num) === 0;\n  };\n\n  var roundSignificantDigit = function roundSignificantDigit(increment, num) {\n    // If we have a whole number, just add 1 to it\n    if (isWholeNumber(num)) {\n      return num + increment * 0.1;\n    }\n\n    var numDecimalDigits = num.toString().split('.')[1].length;\n\n    for (var i = 1; i <= numDecimalDigits; i++) {\n      var scale = Math.pow(10, i);\n      var temp = num * scale;\n\n      if (isWholeNumber(temp) || i === numDecimalDigits) {\n        return (temp + increment) / scale;\n      }\n    }\n  };\n\n  var ceilLeastSignificantDigit = roundSignificantDigit.bind(null, 1);\n  var floorLeastSignificantDigit = roundSignificantDigit.bind(null, -1);\n  /**\n   * Determine the index and estimated starting time of the segment that\n   * contains a specified playback position in a media playlist.\n   *\n   * @param {Object} playlist the media playlist to query\n   * @param {Number} currentTime The number of seconds since the earliest\n   * possible position to determine the containing segment for\n   * @param {Number} startIndex\n   * @param {Number} startTime\n   * @return {Object}\n   */\n\n  var getMediaInfoForTime = function getMediaInfoForTime(playlist, currentTime, startIndex, startTime) {\n    var i = void 0;\n    var segment = void 0;\n    var numSegments = playlist.segments.length;\n    var time = currentTime - startTime;\n\n    if (time < 0) {\n      // Walk backward from startIndex in the playlist, adding durations\n      // until we find a segment that contains `time` and return it\n      if (startIndex > 0) {\n        for (i = startIndex - 1; i >= 0; i--) {\n          segment = playlist.segments[i];\n          time += floorLeastSignificantDigit(segment.duration);\n\n          if (time > 0) {\n            return {\n              mediaIndex: i,\n              startTime: startTime - sumDurations(playlist, startIndex, i)\n            };\n          }\n        }\n      } // We were unable to find a good segment within the playlist\n      // so select the first segment\n\n\n      return {\n        mediaIndex: 0,\n        startTime: currentTime\n      };\n    } // When startIndex is negative, we first walk forward to first segment\n    // adding target durations. If we \"run out of time\" before getting to\n    // the first segment, return the first segment\n\n\n    if (startIndex < 0) {\n      for (i = startIndex; i < 0; i++) {\n        time -= playlist.targetDuration;\n\n        if (time < 0) {\n          return {\n            mediaIndex: 0,\n            startTime: currentTime\n          };\n        }\n      }\n\n      startIndex = 0;\n    } // Walk forward from startIndex in the playlist, subtracting durations\n    // until we find a segment that contains `time` and return it\n\n\n    for (i = startIndex; i < numSegments; i++) {\n      segment = playlist.segments[i];\n      time -= ceilLeastSignificantDigit(segment.duration);\n\n      if (time < 0) {\n        return {\n          mediaIndex: i,\n          startTime: startTime + sumDurations(playlist, startIndex, i)\n        };\n      }\n    } // We are out of possible candidates so load the last one...\n\n\n    return {\n      mediaIndex: numSegments - 1,\n      startTime: currentTime\n    };\n  };\n  /**\n   * Check whether the playlist is blacklisted or not.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is blacklisted or not\n   * @function isBlacklisted\n   */\n\n\n  var isBlacklisted = function isBlacklisted(playlist) {\n    return playlist.excludeUntil && playlist.excludeUntil > Date.now();\n  };\n  /**\n   * Check whether the playlist is compatible with current playback configuration or has\n   * been blacklisted permanently for being incompatible.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is incompatible or not\n   * @function isIncompatible\n   */\n\n\n  var isIncompatible = function isIncompatible(playlist) {\n    return playlist.excludeUntil && playlist.excludeUntil === Infinity;\n  };\n  /**\n   * Check whether the playlist is enabled or not.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is enabled or not\n   * @function isEnabled\n   */\n\n\n  var isEnabled = function isEnabled(playlist) {\n    var blacklisted = isBlacklisted(playlist);\n    return !playlist.disabled && !blacklisted;\n  };\n  /**\n   * Check whether the playlist has been manually disabled through the representations api.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is disabled manually or not\n   * @function isDisabled\n   */\n\n\n  var isDisabled = function isDisabled(playlist) {\n    return playlist.disabled;\n  };\n  /**\n   * Returns whether the current playlist is an AES encrypted HLS stream\n   *\n   * @return {Boolean} true if it's an AES encrypted HLS stream\n   */\n\n\n  var isAes = function isAes(media) {\n    for (var i = 0; i < media.segments.length; i++) {\n      if (media.segments[i].key) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n  /**\n   * Returns whether the current playlist contains fMP4\n   *\n   * @return {Boolean} true if the playlist contains fMP4\n   */\n\n\n  var isFmp4 = function isFmp4(media) {\n    for (var i = 0; i < media.segments.length; i++) {\n      if (media.segments[i].map) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n  /**\n   * Checks if the playlist has a value for the specified attribute\n   *\n   * @param {String} attr\n   *        Attribute to check for\n   * @param {Object} playlist\n   *        The media playlist object\n   * @return {Boolean}\n   *         Whether the playlist contains a value for the attribute or not\n   * @function hasAttribute\n   */\n\n\n  var hasAttribute = function hasAttribute(attr, playlist) {\n    return playlist.attributes && playlist.attributes[attr];\n  };\n  /**\n   * Estimates the time required to complete a segment download from the specified playlist\n   *\n   * @param {Number} segmentDuration\n   *        Duration of requested segment\n   * @param {Number} bandwidth\n   *        Current measured bandwidth of the player\n   * @param {Object} playlist\n   *        The media playlist object\n   * @param {Number=} bytesReceived\n   *        Number of bytes already received for the request. Defaults to 0\n   * @return {Number|NaN}\n   *         The estimated time to request the segment. NaN if bandwidth information for\n   *         the given playlist is unavailable\n   * @function estimateSegmentRequestTime\n   */\n\n\n  var estimateSegmentRequestTime = function estimateSegmentRequestTime(segmentDuration, bandwidth, playlist) {\n    var bytesReceived = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;\n\n    if (!hasAttribute('BANDWIDTH', playlist)) {\n      return NaN;\n    }\n\n    var size = segmentDuration * playlist.attributes.BANDWIDTH;\n    return (size - bytesReceived * 8) / bandwidth;\n  };\n  /*\n   * Returns whether the current playlist is the lowest rendition\n   *\n   * @return {Boolean} true if on lowest rendition\n   */\n\n\n  var isLowestEnabledRendition = function isLowestEnabledRendition(master, media) {\n    if (master.playlists.length === 1) {\n      return true;\n    }\n\n    var currentBandwidth = media.attributes.BANDWIDTH || Number.MAX_VALUE;\n    return master.playlists.filter(function (playlist) {\n      if (!isEnabled(playlist)) {\n        return false;\n      }\n\n      return (playlist.attributes.BANDWIDTH || 0) < currentBandwidth;\n    }).length === 0;\n  }; // exports\n\n\n  var Playlist = {\n    duration: duration,\n    seekable: seekable,\n    safeLiveIndex: safeLiveIndex,\n    getMediaInfoForTime: getMediaInfoForTime,\n    isEnabled: isEnabled,\n    isDisabled: isDisabled,\n    isBlacklisted: isBlacklisted,\n    isIncompatible: isIncompatible,\n    playlistEnd: playlistEnd,\n    isAes: isAes,\n    isFmp4: isFmp4,\n    hasAttribute: hasAttribute,\n    estimateSegmentRequestTime: estimateSegmentRequestTime,\n    isLowestEnabledRendition: isLowestEnabledRendition\n  };\n  /**\n   * @file xhr.js\n   */\n\n  var videojsXHR = videojs$1.xhr,\n      mergeOptions$1$1 = videojs$1.mergeOptions;\n\n  var xhrFactory = function xhrFactory() {\n    var xhr = function XhrFunction(options, callback) {\n      // Add a default timeout for all hls requests\n      options = mergeOptions$1$1({\n        timeout: 45e3\n      }, options); // Allow an optional user-specified function to modify the option\n      // object before we construct the xhr request\n\n      var beforeRequest = XhrFunction.beforeRequest || videojs$1.Hls.xhr.beforeRequest;\n\n      if (beforeRequest && typeof beforeRequest === 'function') {\n        var newOptions = beforeRequest(options);\n\n        if (newOptions) {\n          options = newOptions;\n        }\n      }\n\n      var request = videojsXHR(options, function (error, response) {\n        var reqResponse = request.response;\n\n        if (!error && reqResponse) {\n          request.responseTime = Date.now();\n          request.roundTripTime = request.responseTime - request.requestTime;\n          request.bytesReceived = reqResponse.byteLength || reqResponse.length;\n\n          if (!request.bandwidth) {\n            request.bandwidth = Math.floor(request.bytesReceived / request.roundTripTime * 8 * 1000);\n          }\n        }\n\n        if (response.headers) {\n          request.responseHeaders = response.headers;\n        } // videojs.xhr now uses a specific code on the error\n        // object to signal that a request has timed out instead\n        // of setting a boolean on the request object\n\n\n        if (error && error.code === 'ETIMEDOUT') {\n          request.timedout = true;\n        } // videojs.xhr no longer considers status codes outside of 200 and 0\n        // (for file uris) to be errors, but the old XHR did, so emulate that\n        // behavior. Status 206 may be used in response to byterange requests.\n\n\n        if (!error && !request.aborted && response.statusCode !== 200 && response.statusCode !== 206 && response.statusCode !== 0) {\n          error = new Error('XHR Failed with a response of: ' + (request && (reqResponse || request.responseText)));\n        }\n\n        callback(error, request);\n      });\n      var originalAbort = request.abort;\n\n      request.abort = function () {\n        request.aborted = true;\n        return originalAbort.apply(request, arguments);\n      };\n\n      request.uri = options.uri;\n      request.requestTime = Date.now();\n      return request;\n    };\n\n    return xhr;\n  };\n  /**\n   * Turns segment byterange into a string suitable for use in\n   * HTTP Range requests\n   *\n   * @param {Object} byterange - an object with two values defining the start and end\n   *                             of a byte-range\n   */\n\n\n  var byterangeStr = function byterangeStr(byterange) {\n    var byterangeStart = void 0;\n    var byterangeEnd = void 0; // `byterangeEnd` is one less than `offset + length` because the HTTP range\n    // header uses inclusive ranges\n\n    byterangeEnd = byterange.offset + byterange.length - 1;\n    byterangeStart = byterange.offset;\n    return 'bytes=' + byterangeStart + '-' + byterangeEnd;\n  };\n  /**\n   * Defines headers for use in the xhr request for a particular segment.\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   */\n\n\n  var segmentXhrHeaders = function segmentXhrHeaders(segment) {\n    var headers = {};\n\n    if (segment.byterange) {\n      headers.Range = byterangeStr(segment.byterange);\n    }\n\n    return headers;\n  };\n  /**\n   * @file bin-utils.js\n   */\n\n  /**\n   * convert a TimeRange to text\n   *\n   * @param {TimeRange} range the timerange to use for conversion\n   * @param {Number} i the iterator on the range to convert\n   */\n\n\n  var textRange = function textRange(range, i) {\n    return range.start(i) + '-' + range.end(i);\n  };\n  /**\n   * format a number as hex string\n   *\n   * @param {Number} e The number\n   * @param {Number} i the iterator\n   */\n\n\n  var formatHexString = function formatHexString(e, i) {\n    var value = e.toString(16);\n    return '00'.substring(0, 2 - value.length) + value + (i % 2 ? ' ' : '');\n  };\n\n  var formatAsciiString = function formatAsciiString(e) {\n    if (e >= 0x20 && e < 0x7e) {\n      return String.fromCharCode(e);\n    }\n\n    return '.';\n  };\n  /**\n   * Creates an object for sending to a web worker modifying properties that are TypedArrays\n   * into a new object with seperated properties for the buffer, byteOffset, and byteLength.\n   *\n   * @param {Object} message\n   *        Object of properties and values to send to the web worker\n   * @return {Object}\n   *         Modified message with TypedArray values expanded\n   * @function createTransferableMessage\n   */\n\n\n  var createTransferableMessage = function createTransferableMessage(message) {\n    var transferable = {};\n    Object.keys(message).forEach(function (key) {\n      var value = message[key];\n\n      if (ArrayBuffer.isView(value)) {\n        transferable[key] = {\n          bytes: value.buffer,\n          byteOffset: value.byteOffset,\n          byteLength: value.byteLength\n        };\n      } else {\n        transferable[key] = value;\n      }\n    });\n    return transferable;\n  };\n  /**\n   * Returns a unique string identifier for a media initialization\n   * segment.\n   */\n\n\n  var initSegmentId = function initSegmentId(initSegment) {\n    var byterange = initSegment.byterange || {\n      length: Infinity,\n      offset: 0\n    };\n    return [byterange.length, byterange.offset, initSegment.resolvedUri].join(',');\n  };\n  /**\n   * Returns a unique string identifier for a media segment key.\n   */\n\n\n  var segmentKeyId = function segmentKeyId(key) {\n    return key.resolvedUri;\n  };\n  /**\n   * utils to help dump binary data to the console\n   */\n\n\n  var hexDump = function hexDump(data) {\n    var bytes = Array.prototype.slice.call(data);\n    var step = 16;\n    var result = '';\n    var hex = void 0;\n    var ascii = void 0;\n\n    for (var j = 0; j < bytes.length / step; j++) {\n      hex = bytes.slice(j * step, j * step + step).map(formatHexString).join('');\n      ascii = bytes.slice(j * step, j * step + step).map(formatAsciiString).join('');\n      result += hex + ' ' + ascii + '\\n';\n    }\n\n    return result;\n  };\n\n  var tagDump = function tagDump(_ref) {\n    var bytes = _ref.bytes;\n    return hexDump(bytes);\n  };\n\n  var textRanges = function textRanges(ranges) {\n    var result = '';\n    var i = void 0;\n\n    for (i = 0; i < ranges.length; i++) {\n      result += textRange(ranges, i) + ' ';\n    }\n\n    return result;\n  };\n\n  var utils$1 = /*#__PURE__*/Object.freeze({\n    createTransferableMessage: createTransferableMessage,\n    initSegmentId: initSegmentId,\n    segmentKeyId: segmentKeyId,\n    hexDump: hexDump,\n    tagDump: tagDump,\n    textRanges: textRanges\n  }); // TODO handle fmp4 case where the timing info is accurate and doesn't involve transmux\n  // Add 25% to the segment duration to account for small discrepencies in segment timing.\n  // 25% was arbitrarily chosen, and may need to be refined over time.\n\n  var SEGMENT_END_FUDGE_PERCENT = 0.25;\n  /**\n   * Converts a player time (any time that can be gotten/set from player.currentTime(),\n   * e.g., any time within player.seekable().start(0) to player.seekable().end(0)) to a\n   * program time (any time referencing the real world (e.g., EXT-X-PROGRAM-DATE-TIME)).\n   *\n   * The containing segment is required as the EXT-X-PROGRAM-DATE-TIME serves as an \"anchor\n   * point\" (a point where we have a mapping from program time to player time, with player\n   * time being the post transmux start of the segment).\n   *\n   * For more details, see [this doc](../../docs/program-time-from-player-time.md).\n   *\n   * @param {Number} playerTime the player time\n   * @param {Object} segment the segment which contains the player time\n   * @return {Date} program time\n   */\n\n  var playerTimeToProgramTime = function playerTimeToProgramTime(playerTime, segment) {\n    if (!segment.dateTimeObject) {\n      // Can't convert without an \"anchor point\" for the program time (i.e., a time that can\n      // be used to map the start of a segment with a real world time).\n      return null;\n    }\n\n    var transmuxerPrependedSeconds = segment.videoTimingInfo.transmuxerPrependedSeconds;\n    var transmuxedStart = segment.videoTimingInfo.transmuxedPresentationStart; // get the start of the content from before old content is prepended\n\n    var startOfSegment = transmuxedStart + transmuxerPrependedSeconds;\n    var offsetFromSegmentStart = playerTime - startOfSegment;\n    return new Date(segment.dateTimeObject.getTime() + offsetFromSegmentStart * 1000);\n  };\n\n  var originalSegmentVideoDuration = function originalSegmentVideoDuration(videoTimingInfo) {\n    return videoTimingInfo.transmuxedPresentationEnd - videoTimingInfo.transmuxedPresentationStart - videoTimingInfo.transmuxerPrependedSeconds;\n  };\n  /**\n   * Finds a segment that contains the time requested given as an ISO-8601 string. The\n   * returned segment might be an estimate or an accurate match.\n   *\n   * @param {String} programTime The ISO-8601 programTime to find a match for\n   * @param {Object} playlist A playlist object to search within\n   */\n\n\n  var findSegmentForProgramTime = function findSegmentForProgramTime(programTime, playlist) {\n    // Assumptions:\n    //  - verifyProgramDateTimeTags has already been run\n    //  - live streams have been started\n    var dateTimeObject = void 0;\n\n    try {\n      dateTimeObject = new Date(programTime);\n    } catch (e) {\n      return null;\n    }\n\n    if (!playlist || !playlist.segments || playlist.segments.length === 0) {\n      return null;\n    }\n\n    var segment = playlist.segments[0];\n\n    if (dateTimeObject < segment.dateTimeObject) {\n      // Requested time is before stream start.\n      return null;\n    }\n\n    for (var i = 0; i < playlist.segments.length - 1; i++) {\n      segment = playlist.segments[i];\n      var nextSegmentStart = playlist.segments[i + 1].dateTimeObject;\n\n      if (dateTimeObject < nextSegmentStart) {\n        break;\n      }\n    }\n\n    var lastSegment = playlist.segments[playlist.segments.length - 1];\n    var lastSegmentStart = lastSegment.dateTimeObject;\n    var lastSegmentDuration = lastSegment.videoTimingInfo ? originalSegmentVideoDuration(lastSegment.videoTimingInfo) : lastSegment.duration + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT;\n    var lastSegmentEnd = new Date(lastSegmentStart.getTime() + lastSegmentDuration * 1000);\n\n    if (dateTimeObject > lastSegmentEnd) {\n      // Beyond the end of the stream, or our best guess of the end of the stream.\n      return null;\n    }\n\n    if (dateTimeObject > lastSegmentStart) {\n      segment = lastSegment;\n    }\n\n    return {\n      segment: segment,\n      estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : Playlist.duration(playlist, playlist.mediaSequence + playlist.segments.indexOf(segment)),\n      // Although, given that all segments have accurate date time objects, the segment\n      // selected should be accurate, unless the video has been transmuxed at some point\n      // (determined by the presence of the videoTimingInfo object), the segment's \"player\n      // time\" (the start time in the player) can't be considered accurate.\n      type: segment.videoTimingInfo ? 'accurate' : 'estimate'\n    };\n  };\n  /**\n   * Finds a segment that contains the given player time(in seconds).\n   *\n   * @param {Number} time The player time to find a match for\n   * @param {Object} playlist A playlist object to search within\n   */\n\n\n  var findSegmentForPlayerTime = function findSegmentForPlayerTime(time, playlist) {\n    // Assumptions:\n    // - there will always be a segment.duration\n    // - we can start from zero\n    // - segments are in time order\n    if (!playlist || !playlist.segments || playlist.segments.length === 0) {\n      return null;\n    }\n\n    var segmentEnd = 0;\n    var segment = void 0;\n\n    for (var i = 0; i < playlist.segments.length; i++) {\n      segment = playlist.segments[i]; // videoTimingInfo is set after the segment is downloaded and transmuxed, and\n      // should contain the most accurate values we have for the segment's player times.\n      //\n      // Use the accurate transmuxedPresentationEnd value if it is available, otherwise fall\n      // back to an estimate based on the manifest derived (inaccurate) segment.duration, to\n      // calculate an end value.\n\n      segmentEnd = segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationEnd : segmentEnd + segment.duration;\n\n      if (time <= segmentEnd) {\n        break;\n      }\n    }\n\n    var lastSegment = playlist.segments[playlist.segments.length - 1];\n\n    if (lastSegment.videoTimingInfo && lastSegment.videoTimingInfo.transmuxedPresentationEnd < time) {\n      // The time requested is beyond the stream end.\n      return null;\n    }\n\n    if (time > segmentEnd) {\n      // The time is within or beyond the last segment.\n      //\n      // Check to see if the time is beyond a reasonable guess of the end of the stream.\n      if (time > segmentEnd + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT) {\n        // Technically, because the duration value is only an estimate, the time may still\n        // exist in the last segment, however, there isn't enough information to make even\n        // a reasonable estimate.\n        return null;\n      }\n\n      segment = lastSegment;\n    }\n\n    return {\n      segment: segment,\n      estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : segmentEnd - segment.duration,\n      // Because videoTimingInfo is only set after transmux, it is the only way to get\n      // accurate timing values.\n      type: segment.videoTimingInfo ? 'accurate' : 'estimate'\n    };\n  };\n  /**\n   * Gives the offset of the comparisonTimestamp from the programTime timestamp in seconds.\n   * If the offset returned is positive, the programTime occurs after the\n   * comparisonTimestamp.\n   * If the offset is negative, the programTime occurs before the comparisonTimestamp.\n   *\n   * @param {String} comparisonTimeStamp An ISO-8601 timestamp to compare against\n   * @param {String} programTime The programTime as an ISO-8601 string\n   * @return {Number} offset\n   */\n\n\n  var getOffsetFromTimestamp = function getOffsetFromTimestamp(comparisonTimeStamp, programTime) {\n    var segmentDateTime = void 0;\n    var programDateTime = void 0;\n\n    try {\n      segmentDateTime = new Date(comparisonTimeStamp);\n      programDateTime = new Date(programTime);\n    } catch (e) {// TODO handle error\n    }\n\n    var segmentTimeEpoch = segmentDateTime.getTime();\n    var programTimeEpoch = programDateTime.getTime();\n    return (programTimeEpoch - segmentTimeEpoch) / 1000;\n  };\n  /**\n   * Checks that all segments in this playlist have programDateTime tags.\n   *\n   * @param {Object} playlist A playlist object\n   */\n\n\n  var verifyProgramDateTimeTags = function verifyProgramDateTimeTags(playlist) {\n    if (!playlist.segments || playlist.segments.length === 0) {\n      return false;\n    }\n\n    for (var i = 0; i < playlist.segments.length; i++) {\n      var segment = playlist.segments[i];\n\n      if (!segment.dateTimeObject) {\n        return false;\n      }\n    }\n\n    return true;\n  };\n  /**\n   * Returns the programTime of the media given a playlist and a playerTime.\n   * The playlist must have programDateTime tags for a programDateTime tag to be returned.\n   * If the segments containing the time requested have not been buffered yet, an estimate\n   * may be returned to the callback.\n   *\n   * @param {Object} args\n   * @param {Object} args.playlist A playlist object to search within\n   * @param {Number} time A playerTime in seconds\n   * @param {Function} callback(err, programTime)\n   * @returns {String} err.message A detailed error message\n   * @returns {Object} programTime\n   * @returns {Number} programTime.mediaSeconds The streamTime in seconds\n   * @returns {String} programTime.programDateTime The programTime as an ISO-8601 String\n   */\n\n\n  var getProgramTime = function getProgramTime(_ref) {\n    var playlist = _ref.playlist,\n        _ref$time = _ref.time,\n        time = _ref$time === undefined ? undefined : _ref$time,\n        callback = _ref.callback;\n\n    if (!callback) {\n      throw new Error('getProgramTime: callback must be provided');\n    }\n\n    if (!playlist || time === undefined) {\n      return callback({\n        message: 'getProgramTime: playlist and time must be provided'\n      });\n    }\n\n    var matchedSegment = findSegmentForPlayerTime(time, playlist);\n\n    if (!matchedSegment) {\n      return callback({\n        message: 'valid programTime was not found'\n      });\n    }\n\n    if (matchedSegment.type === 'estimate') {\n      return callback({\n        message: 'Accurate programTime could not be determined.' + ' Please seek to e.seekTime and try again',\n        seekTime: matchedSegment.estimatedStart\n      });\n    }\n\n    var programTimeObject = {\n      mediaSeconds: time\n    };\n    var programTime = playerTimeToProgramTime(time, matchedSegment.segment);\n\n    if (programTime) {\n      programTimeObject.programDateTime = programTime.toISOString();\n    }\n\n    return callback(null, programTimeObject);\n  };\n  /**\n   * Seeks in the player to a time that matches the given programTime ISO-8601 string.\n   *\n   * @param {Object} args\n   * @param {String} args.programTime A programTime to seek to as an ISO-8601 String\n   * @param {Object} args.playlist A playlist to look within\n   * @param {Number} args.retryCount The number of times to try for an accurate seek. Default is 2.\n   * @param {Function} args.seekTo A method to perform a seek\n   * @param {Boolean} args.pauseAfterSeek Whether to end in a paused state after seeking. Default is true.\n   * @param {Object} args.tech The tech to seek on\n   * @param {Function} args.callback(err, newTime) A callback to return the new time to\n   * @returns {String} err.message A detailed error message\n   * @returns {Number} newTime The exact time that was seeked to in seconds\n   */\n\n\n  var seekToProgramTime = function seekToProgramTime(_ref2) {\n    var programTime = _ref2.programTime,\n        playlist = _ref2.playlist,\n        _ref2$retryCount = _ref2.retryCount,\n        retryCount = _ref2$retryCount === undefined ? 2 : _ref2$retryCount,\n        seekTo = _ref2.seekTo,\n        _ref2$pauseAfterSeek = _ref2.pauseAfterSeek,\n        pauseAfterSeek = _ref2$pauseAfterSeek === undefined ? true : _ref2$pauseAfterSeek,\n        tech = _ref2.tech,\n        callback = _ref2.callback;\n\n    if (!callback) {\n      throw new Error('seekToProgramTime: callback must be provided');\n    }\n\n    if (typeof programTime === 'undefined' || !playlist || !seekTo) {\n      return callback({\n        message: 'seekToProgramTime: programTime, seekTo and playlist must be provided'\n      });\n    }\n\n    if (!playlist.endList && !tech.hasStarted_) {\n      return callback({\n        message: 'player must be playing a live stream to start buffering'\n      });\n    }\n\n    if (!verifyProgramDateTimeTags(playlist)) {\n      return callback({\n        message: 'programDateTime tags must be provided in the manifest ' + playlist.resolvedUri\n      });\n    }\n\n    var matchedSegment = findSegmentForProgramTime(programTime, playlist); // no match\n\n    if (!matchedSegment) {\n      return callback({\n        message: programTime + ' was not found in the stream'\n      });\n    }\n\n    var segment = matchedSegment.segment;\n    var mediaOffset = getOffsetFromTimestamp(segment.dateTimeObject, programTime);\n\n    if (matchedSegment.type === 'estimate') {\n      // we've run out of retries\n      if (retryCount === 0) {\n        return callback({\n          message: programTime + ' is not buffered yet. Try again'\n        });\n      }\n\n      seekTo(matchedSegment.estimatedStart + mediaOffset);\n      tech.one('seeked', function () {\n        seekToProgramTime({\n          programTime: programTime,\n          playlist: playlist,\n          retryCount: retryCount - 1,\n          seekTo: seekTo,\n          pauseAfterSeek: pauseAfterSeek,\n          tech: tech,\n          callback: callback\n        });\n      });\n      return;\n    } // Since the segment.start value is determined from the buffered end or ending time\n    // of the prior segment, the seekToTime doesn't need to account for any transmuxer\n    // modifications.\n\n\n    var seekToTime = segment.start + mediaOffset;\n\n    var seekedCallback = function seekedCallback() {\n      return callback(null, tech.currentTime());\n    }; // listen for seeked event\n\n\n    tech.one('seeked', seekedCallback); // pause before seeking as video.js will restore this state\n\n    if (pauseAfterSeek) {\n      tech.pause();\n    }\n\n    seekTo(seekToTime);\n  };\n  /**\n   * ranges\n   *\n   * Utilities for working with TimeRanges.\n   *\n   */\n  // Fudge factor to account for TimeRanges rounding\n\n\n  var TIME_FUDGE_FACTOR = 1 / 30; // Comparisons between time values such as current time and the end of the buffered range\n  // can be misleading because of precision differences or when the current media has poorly\n  // aligned audio and video, which can cause values to be slightly off from what you would\n  // expect. This value is what we consider to be safe to use in such comparisons to account\n  // for these scenarios.\n\n  var SAFE_TIME_DELTA = TIME_FUDGE_FACTOR * 3;\n\n  var filterRanges = function filterRanges(timeRanges, predicate) {\n    var results = [];\n    var i = void 0;\n\n    if (timeRanges && timeRanges.length) {\n      // Search for ranges that match the predicate\n      for (i = 0; i < timeRanges.length; i++) {\n        if (predicate(timeRanges.start(i), timeRanges.end(i))) {\n          results.push([timeRanges.start(i), timeRanges.end(i)]);\n        }\n      }\n    }\n\n    return videojs$1.createTimeRanges(results);\n  };\n  /**\n   * Attempts to find the buffered TimeRange that contains the specified\n   * time.\n   * @param {TimeRanges} buffered - the TimeRanges object to query\n   * @param {number} time  - the time to filter on.\n   * @returns {TimeRanges} a new TimeRanges object\n   */\n\n\n  var findRange = function findRange(buffered, time) {\n    return filterRanges(buffered, function (start, end) {\n      return start - SAFE_TIME_DELTA <= time && end + SAFE_TIME_DELTA >= time;\n    });\n  };\n  /**\n   * Returns the TimeRanges that begin later than the specified time.\n   * @param {TimeRanges} timeRanges - the TimeRanges object to query\n   * @param {number} time - the time to filter on.\n   * @returns {TimeRanges} a new TimeRanges object.\n   */\n\n\n  var findNextRange = function findNextRange(timeRanges, time) {\n    return filterRanges(timeRanges, function (start) {\n      return start - TIME_FUDGE_FACTOR >= time;\n    });\n  };\n  /**\n   * Returns gaps within a list of TimeRanges\n   * @param {TimeRanges} buffered - the TimeRanges object\n   * @return {TimeRanges} a TimeRanges object of gaps\n   */\n\n\n  var findGaps = function findGaps(buffered) {\n    if (buffered.length < 2) {\n      return videojs$1.createTimeRanges();\n    }\n\n    var ranges = [];\n\n    for (var i = 1; i < buffered.length; i++) {\n      var start = buffered.end(i - 1);\n      var end = buffered.start(i);\n      ranges.push([start, end]);\n    }\n\n    return videojs$1.createTimeRanges(ranges);\n  };\n  /**\n   * Gets a human readable string for a TimeRange\n   *\n   * @param {TimeRange} range\n   * @returns {String} a human readable string\n   */\n\n\n  var printableRange = function printableRange(range) {\n    var strArr = [];\n\n    if (!range || !range.length) {\n      return '';\n    }\n\n    for (var i = 0; i < range.length; i++) {\n      strArr.push(range.start(i) + ' => ' + range.end(i));\n    }\n\n    return strArr.join(', ');\n  };\n  /**\n   * Calculates the amount of time left in seconds until the player hits the end of the\n   * buffer and causes a rebuffer\n   *\n   * @param {TimeRange} buffered\n   *        The state of the buffer\n   * @param {Numnber} currentTime\n   *        The current time of the player\n   * @param {Number} playbackRate\n   *        The current playback rate of the player. Defaults to 1.\n   * @return {Number}\n   *         Time until the player has to start rebuffering in seconds.\n   * @function timeUntilRebuffer\n   */\n\n\n  var timeUntilRebuffer = function timeUntilRebuffer(buffered, currentTime) {\n    var playbackRate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;\n    var bufferedEnd = buffered.length ? buffered.end(buffered.length - 1) : 0;\n    return (bufferedEnd - currentTime) / playbackRate;\n  };\n  /**\n   * Converts a TimeRanges object into an array representation\n   * @param {TimeRanges} timeRanges\n   * @returns {Array}\n   */\n\n\n  var timeRangesToArray = function timeRangesToArray(timeRanges) {\n    var timeRangesList = [];\n\n    for (var i = 0; i < timeRanges.length; i++) {\n      timeRangesList.push({\n        start: timeRanges.start(i),\n        end: timeRanges.end(i)\n      });\n    }\n\n    return timeRangesList;\n  };\n  /**\n   * @file create-text-tracks-if-necessary.js\n   */\n\n  /**\n   * Create text tracks on video.js if they exist on a segment.\n   *\n   * @param {Object} sourceBuffer the VSB or FSB\n   * @param {Object} mediaSource the HTML media source\n   * @param {Object} segment the segment that may contain the text track\n   * @private\n   */\n\n\n  var createTextTracksIfNecessary = function createTextTracksIfNecessary(sourceBuffer, mediaSource, segment) {\n    var player = mediaSource.player_; // create an in-band caption track if one is present in the segment\n\n    if (segment.captions && segment.captions.length) {\n      if (!sourceBuffer.inbandTextTracks_) {\n        sourceBuffer.inbandTextTracks_ = {};\n      }\n\n      for (var trackId in segment.captionStreams) {\n        if (!sourceBuffer.inbandTextTracks_[trackId]) {\n          player.tech_.trigger({\n            type: 'usage',\n            name: 'hls-608'\n          });\n          var track = player.textTracks().getTrackById(trackId);\n\n          if (track) {\n            // Resuse an existing track with a CC# id because this was\n            // very likely created by videojs-contrib-hls from information\n            // in the m3u8 for us to use\n            sourceBuffer.inbandTextTracks_[trackId] = track;\n          } else {\n            // Otherwise, create a track with the default `CC#` label and\n            // without a language\n            sourceBuffer.inbandTextTracks_[trackId] = player.addRemoteTextTrack({\n              kind: 'captions',\n              id: trackId,\n              label: trackId\n            }, false).track;\n          }\n        }\n      }\n    }\n\n    if (segment.metadata && segment.metadata.length && !sourceBuffer.metadataTrack_) {\n      sourceBuffer.metadataTrack_ = player.addRemoteTextTrack({\n        kind: 'metadata',\n        label: 'Timed Metadata'\n      }, false).track;\n      sourceBuffer.metadataTrack_.inBandMetadataTrackDispatchType = segment.metadata.dispatchType;\n    }\n  };\n  /**\n   * @file remove-cues-from-track.js\n   */\n\n  /**\n   * Remove cues from a track on video.js.\n   *\n   * @param {Double} start start of where we should remove the cue\n   * @param {Double} end end of where the we should remove the cue\n   * @param {Object} track the text track to remove the cues from\n   * @private\n   */\n\n\n  var removeCuesFromTrack = function removeCuesFromTrack(start, end, track) {\n    var i = void 0;\n    var cue = void 0;\n\n    if (!track) {\n      return;\n    }\n\n    if (!track.cues) {\n      return;\n    }\n\n    i = track.cues.length;\n\n    while (i--) {\n      cue = track.cues[i]; // Remove any overlapping cue\n\n      if (cue.startTime <= end && cue.endTime >= start) {\n        track.removeCue(cue);\n      }\n    }\n  };\n  /**\n   * @file add-text-track-data.js\n   */\n\n  /**\n   * Define properties on a cue for backwards compatability,\n   * but warn the user that the way that they are using it\n   * is depricated and will be removed at a later date.\n   *\n   * @param {Cue} cue the cue to add the properties on\n   * @private\n   */\n\n\n  var deprecateOldCue = function deprecateOldCue(cue) {\n    Object.defineProperties(cue.frame, {\n      id: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.id is deprecated. Use cue.value.key instead.');\n          return cue.value.key;\n        }\n      },\n      value: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.value is deprecated. Use cue.value.data instead.');\n          return cue.value.data;\n        }\n      },\n      privateData: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.privateData is deprecated. Use cue.value.data instead.');\n          return cue.value.data;\n        }\n      }\n    });\n  };\n\n  var durationOfVideo = function durationOfVideo(duration) {\n    var dur = void 0;\n\n    if (isNaN(duration) || Math.abs(duration) === Infinity) {\n      dur = Number.MAX_VALUE;\n    } else {\n      dur = duration;\n    }\n\n    return dur;\n  };\n  /**\n   * Add text track data to a source handler given the captions and\n   * metadata from the buffer.\n   *\n   * @param {Object} sourceHandler the virtual source buffer\n   * @param {Array} captionArray an array of caption data\n   * @param {Array} metadataArray an array of meta data\n   * @private\n   */\n\n\n  var addTextTrackData = function addTextTrackData(sourceHandler, captionArray, metadataArray) {\n    var Cue = window$3.WebKitDataCue || window$3.VTTCue;\n\n    if (captionArray) {\n      captionArray.forEach(function (caption) {\n        var track = caption.stream;\n        this.inbandTextTracks_[track].addCue(new Cue(caption.startTime + this.timestampOffset, caption.endTime + this.timestampOffset, caption.text));\n      }, sourceHandler);\n    }\n\n    if (metadataArray) {\n      var videoDuration = durationOfVideo(sourceHandler.mediaSource_.duration);\n      metadataArray.forEach(function (metadata) {\n        var time = metadata.cueTime + this.timestampOffset; // if time isn't a finite number between 0 and Infinity, like NaN,\n        // ignore this bit of metadata.\n        // This likely occurs when you have an non-timed ID3 tag like TIT2,\n        // which is the \"Title/Songname/Content description\" frame\n\n        if (typeof time !== 'number' || window$3.isNaN(time) || time < 0 || !(time < Infinity)) {\n          return;\n        }\n\n        metadata.frames.forEach(function (frame) {\n          var cue = new Cue(time, time, frame.value || frame.url || frame.data || '');\n          cue.frame = frame;\n          cue.value = frame;\n          deprecateOldCue(cue);\n          this.metadataTrack_.addCue(cue);\n        }, this);\n      }, sourceHandler); // Updating the metadeta cues so that\n      // the endTime of each cue is the startTime of the next cue\n      // the endTime of last cue is the duration of the video\n\n      if (sourceHandler.metadataTrack_ && sourceHandler.metadataTrack_.cues && sourceHandler.metadataTrack_.cues.length) {\n        var cues = sourceHandler.metadataTrack_.cues;\n        var cuesArray = []; // Create a copy of the TextTrackCueList...\n        // ...disregarding cues with a falsey value\n\n        for (var i = 0; i < cues.length; i++) {\n          if (cues[i]) {\n            cuesArray.push(cues[i]);\n          }\n        } // Group cues by their startTime value\n\n\n        var cuesGroupedByStartTime = cuesArray.reduce(function (obj, cue) {\n          var timeSlot = obj[cue.startTime] || [];\n          timeSlot.push(cue);\n          obj[cue.startTime] = timeSlot;\n          return obj;\n        }, {}); // Sort startTimes by ascending order\n\n        var sortedStartTimes = Object.keys(cuesGroupedByStartTime).sort(function (a, b) {\n          return Number(a) - Number(b);\n        }); // Map each cue group's endTime to the next group's startTime\n\n        sortedStartTimes.forEach(function (startTime, idx) {\n          var cueGroup = cuesGroupedByStartTime[startTime];\n          var nextTime = Number(sortedStartTimes[idx + 1]) || videoDuration; // Map each cue's endTime the next group's startTime\n\n          cueGroup.forEach(function (cue) {\n            cue.endTime = nextTime;\n          });\n        });\n      }\n    }\n  };\n\n  var win = typeof window !== 'undefined' ? window : {},\n      TARGET = typeof Symbol === 'undefined' ? '__target' : Symbol(),\n      SCRIPT_TYPE = 'application/javascript',\n      BlobBuilder = win.BlobBuilder || win.WebKitBlobBuilder || win.MozBlobBuilder || win.MSBlobBuilder,\n      URL = win.URL || win.webkitURL || URL && URL.msURL,\n      Worker = win.Worker;\n  /**\n   * Returns a wrapper around Web Worker code that is constructible.\n   *\n   * @function shimWorker\n   *\n   * @param { String }    filename    The name of the file\n   * @param { Function }  fn          Function wrapping the code of the worker\n   */\n\n  function shimWorker(filename, fn) {\n    return function ShimWorker(forceFallback) {\n      var o = this;\n\n      if (!fn) {\n        return new Worker(filename);\n      } else if (Worker && !forceFallback) {\n        // Convert the function's inner code to a string to construct the worker\n        var source = fn.toString().replace(/^function.+?{/, '').slice(0, -1),\n            objURL = createSourceObject(source);\n        this[TARGET] = new Worker(objURL);\n        wrapTerminate(this[TARGET], objURL);\n        return this[TARGET];\n      } else {\n        var selfShim = {\n          postMessage: function postMessage(m) {\n            if (o.onmessage) {\n              setTimeout(function () {\n                o.onmessage({\n                  data: m,\n                  target: selfShim\n                });\n              });\n            }\n          }\n        };\n        fn.call(selfShim);\n\n        this.postMessage = function (m) {\n          setTimeout(function () {\n            selfShim.onmessage({\n              data: m,\n              target: o\n            });\n          });\n        };\n\n        this.isThisThread = true;\n      }\n    };\n  } // Test Worker capabilities\n\n\n  if (Worker) {\n    var testWorker,\n        objURL = createSourceObject('self.onmessage = function () {}'),\n        testArray = new Uint8Array(1);\n\n    try {\n      testWorker = new Worker(objURL); // Native browser on some Samsung devices throws for transferables, let's detect it\n\n      testWorker.postMessage(testArray, [testArray.buffer]);\n    } catch (e) {\n      Worker = null;\n    } finally {\n      URL.revokeObjectURL(objURL);\n\n      if (testWorker) {\n        testWorker.terminate();\n      }\n    }\n  }\n\n  function createSourceObject(str) {\n    try {\n      return URL.createObjectURL(new Blob([str], {\n        type: SCRIPT_TYPE\n      }));\n    } catch (e) {\n      var blob = new BlobBuilder();\n      blob.append(str);\n      return URL.createObjectURL(blob.getBlob(type));\n    }\n  }\n\n  function wrapTerminate(worker, objURL) {\n    if (!worker || !objURL) return;\n    var term = worker.terminate;\n    worker.objURL = objURL;\n\n    worker.terminate = function () {\n      if (worker.objURL) URL.revokeObjectURL(worker.objURL);\n      term.call(worker);\n    };\n  }\n\n  var TransmuxWorker = new shimWorker(\"./transmuxer-worker.worker.js\", function (window, document$$1) {\n    var self = this;\n\n    var transmuxerWorker = function () {\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * A lightweight readable stream implemention that handles event dispatching.\n       * Objects that inherit from streams should call init in their constructors.\n       */\n      var Stream = function Stream() {\n        this.init = function () {\n          var listeners = {};\n          /**\n           * Add a listener for a specified event type.\n           * @param type {string} the event name\n           * @param listener {function} the callback to be invoked when an event of\n           * the specified type occurs\n           */\n\n          this.on = function (type, listener) {\n            if (!listeners[type]) {\n              listeners[type] = [];\n            }\n\n            listeners[type] = listeners[type].concat(listener);\n          };\n          /**\n           * Remove a listener for a specified event type.\n           * @param type {string} the event name\n           * @param listener {function} a function previously registered for this\n           * type of event through `on`\n           */\n\n\n          this.off = function (type, listener) {\n            var index;\n\n            if (!listeners[type]) {\n              return false;\n            }\n\n            index = listeners[type].indexOf(listener);\n            listeners[type] = listeners[type].slice();\n            listeners[type].splice(index, 1);\n            return index > -1;\n          };\n          /**\n           * Trigger an event of the specified type on this stream. Any additional\n           * arguments to this function are passed as parameters to event listeners.\n           * @param type {string} the event name\n           */\n\n\n          this.trigger = function (type) {\n            var callbacks, i, length, args;\n            callbacks = listeners[type];\n\n            if (!callbacks) {\n              return;\n            } // Slicing the arguments on every invocation of this method\n            // can add a significant amount of overhead. Avoid the\n            // intermediate object creation for the common case of a\n            // single callback argument\n\n\n            if (arguments.length === 2) {\n              length = callbacks.length;\n\n              for (i = 0; i < length; ++i) {\n                callbacks[i].call(this, arguments[1]);\n              }\n            } else {\n              args = [];\n              i = arguments.length;\n\n              for (i = 1; i < arguments.length; ++i) {\n                args.push(arguments[i]);\n              }\n\n              length = callbacks.length;\n\n              for (i = 0; i < length; ++i) {\n                callbacks[i].apply(this, args);\n              }\n            }\n          };\n          /**\n           * Destroys the stream and cleans up.\n           */\n\n\n          this.dispose = function () {\n            listeners = {};\n          };\n        };\n      };\n      /**\n       * Forwards all `data` events on this stream to the destination stream. The\n       * destination stream should provide a method `push` to receive the data\n       * events as they arrive.\n       * @param destination {stream} the stream that will receive all `data` events\n       * @param autoFlush {boolean} if false, we will not call `flush` on the destination\n       *                            when the current stream emits a 'done' event\n       * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n       */\n\n\n      Stream.prototype.pipe = function (destination) {\n        this.on('data', function (data) {\n          destination.push(data);\n        });\n        this.on('done', function (flushSource) {\n          destination.flush(flushSource);\n        });\n        this.on('partialdone', function (flushSource) {\n          destination.partialFlush(flushSource);\n        });\n        this.on('endedtimeline', function (flushSource) {\n          destination.endTimeline(flushSource);\n        });\n        this.on('reset', function (flushSource) {\n          destination.reset(flushSource);\n        });\n        return destination;\n      }; // Default stream functions that are expected to be overridden to perform\n      // actual work. These are provided by the prototype as a sort of no-op\n      // implementation so that we don't have to check for their existence in the\n      // `pipe` function above.\n\n\n      Stream.prototype.push = function (data) {\n        this.trigger('data', data);\n      };\n\n      Stream.prototype.flush = function (flushSource) {\n        this.trigger('done', flushSource);\n      };\n\n      Stream.prototype.partialFlush = function (flushSource) {\n        this.trigger('partialdone', flushSource);\n      };\n\n      Stream.prototype.endTimeline = function (flushSource) {\n        this.trigger('endedtimeline', flushSource);\n      };\n\n      Stream.prototype.reset = function (flushSource) {\n        this.trigger('reset', flushSource);\n      };\n\n      var stream = Stream;\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Functions that generate fragmented MP4s suitable for use with Media\n       * Source Extensions.\n       */\n\n      var UINT32_MAX = Math.pow(2, 32) - 1;\n      var box, dinf, esds, ftyp, mdat, mfhd, minf, moof, moov, mvex, mvhd, trak, tkhd, mdia, mdhd, hdlr, sdtp, stbl, stsd, traf, trex, trun, types, MAJOR_BRAND, MINOR_VERSION, AVC1_BRAND, VIDEO_HDLR, AUDIO_HDLR, HDLR_TYPES, VMHD, SMHD, DREF, STCO, STSC, STSZ, STTS; // pre-calculate constants\n\n      (function () {\n        var i;\n        types = {\n          avc1: [],\n          // codingname\n          avcC: [],\n          btrt: [],\n          dinf: [],\n          dref: [],\n          esds: [],\n          ftyp: [],\n          hdlr: [],\n          mdat: [],\n          mdhd: [],\n          mdia: [],\n          mfhd: [],\n          minf: [],\n          moof: [],\n          moov: [],\n          mp4a: [],\n          // codingname\n          mvex: [],\n          mvhd: [],\n          pasp: [],\n          sdtp: [],\n          smhd: [],\n          stbl: [],\n          stco: [],\n          stsc: [],\n          stsd: [],\n          stsz: [],\n          stts: [],\n          styp: [],\n          tfdt: [],\n          tfhd: [],\n          traf: [],\n          trak: [],\n          trun: [],\n          trex: [],\n          tkhd: [],\n          vmhd: []\n        }; // In environments where Uint8Array is undefined (e.g., IE8), skip set up so that we\n        // don't throw an error\n\n        if (typeof Uint8Array === 'undefined') {\n          return;\n        }\n\n        for (i in types) {\n          if (types.hasOwnProperty(i)) {\n            types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)];\n          }\n        }\n\n        MAJOR_BRAND = new Uint8Array(['i'.charCodeAt(0), 's'.charCodeAt(0), 'o'.charCodeAt(0), 'm'.charCodeAt(0)]);\n        AVC1_BRAND = new Uint8Array(['a'.charCodeAt(0), 'v'.charCodeAt(0), 'c'.charCodeAt(0), '1'.charCodeAt(0)]);\n        MINOR_VERSION = new Uint8Array([0, 0, 0, 1]);\n        VIDEO_HDLR = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // pre_defined\n        0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n        ]);\n        AUDIO_HDLR = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // pre_defined\n        0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n        ]);\n        HDLR_TYPES = {\n          video: VIDEO_HDLR,\n          audio: AUDIO_HDLR\n        };\n        DREF = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x01, // entry_count\n        0x00, 0x00, 0x00, 0x0c, // entry_size\n        0x75, 0x72, 0x6c, 0x20, // 'url' type\n        0x00, // version 0\n        0x00, 0x00, 0x01 // entry_flags\n        ]);\n        SMHD = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, // balance, 0 means centered\n        0x00, 0x00 // reserved\n        ]);\n        STCO = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00 // entry_count\n        ]);\n        STSC = STCO;\n        STSZ = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // sample_size\n        0x00, 0x00, 0x00, 0x00 // sample_count\n        ]);\n        STTS = STCO;\n        VMHD = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x01, // flags\n        0x00, 0x00, // graphicsmode\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor\n        ]);\n      })();\n\n      box = function box(type) {\n        var payload = [],\n            size = 0,\n            i,\n            result,\n            view;\n\n        for (i = 1; i < arguments.length; i++) {\n          payload.push(arguments[i]);\n        }\n\n        i = payload.length; // calculate the total size we need to allocate\n\n        while (i--) {\n          size += payload[i].byteLength;\n        }\n\n        result = new Uint8Array(size + 8);\n        view = new DataView(result.buffer, result.byteOffset, result.byteLength);\n        view.setUint32(0, result.byteLength);\n        result.set(type, 4); // copy the payload into the result\n\n        for (i = 0, size = 8; i < payload.length; i++) {\n          result.set(payload[i], size);\n          size += payload[i].byteLength;\n        }\n\n        return result;\n      };\n\n      dinf = function dinf() {\n        return box(types.dinf, box(types.dref, DREF));\n      };\n\n      esds = function esds(track) {\n        return box(types.esds, new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        // ES_Descriptor\n        0x03, // tag, ES_DescrTag\n        0x19, // length\n        0x00, 0x00, // ES_ID\n        0x00, // streamDependenceFlag, URL_flag, reserved, streamPriority\n        // DecoderConfigDescriptor\n        0x04, // tag, DecoderConfigDescrTag\n        0x11, // length\n        0x40, // object type\n        0x15, // streamType\n        0x00, 0x06, 0x00, // bufferSizeDB\n        0x00, 0x00, 0xda, 0xc0, // maxBitrate\n        0x00, 0x00, 0xda, 0xc0, // avgBitrate\n        // DecoderSpecificInfo\n        0x05, // tag, DecoderSpecificInfoTag\n        0x02, // length\n        // ISO/IEC 14496-3, AudioSpecificConfig\n        // for samplingFrequencyIndex see ISO/IEC 13818-7:2006, 8.1.3.2.2, Table 35\n        track.audioobjecttype << 3 | track.samplingfrequencyindex >>> 1, track.samplingfrequencyindex << 7 | track.channelcount << 3, 0x06, 0x01, 0x02 // GASpecificConfig\n        ]));\n      };\n\n      ftyp = function ftyp() {\n        return box(types.ftyp, MAJOR_BRAND, MINOR_VERSION, MAJOR_BRAND, AVC1_BRAND);\n      };\n\n      hdlr = function hdlr(type) {\n        return box(types.hdlr, HDLR_TYPES[type]);\n      };\n\n      mdat = function mdat(data) {\n        return box(types.mdat, data);\n      };\n\n      mdhd = function mdhd(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x02, // creation_time\n        0x00, 0x00, 0x00, 0x03, // modification_time\n        0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 \"ticks\" per second\n        track.duration >>> 24 & 0xFF, track.duration >>> 16 & 0xFF, track.duration >>> 8 & 0xFF, track.duration & 0xFF, // duration\n        0x55, 0xc4, // 'und' language (undetermined)\n        0x00, 0x00]); // Use the sample rate from the track metadata, when it is\n        // defined. The sample rate can be parsed out of an ADTS header, for\n        // instance.\n\n        if (track.samplerate) {\n          result[12] = track.samplerate >>> 24 & 0xFF;\n          result[13] = track.samplerate >>> 16 & 0xFF;\n          result[14] = track.samplerate >>> 8 & 0xFF;\n          result[15] = track.samplerate & 0xFF;\n        }\n\n        return box(types.mdhd, result);\n      };\n\n      mdia = function mdia(track) {\n        return box(types.mdia, mdhd(track), hdlr(track.type), minf(track));\n      };\n\n      mfhd = function mfhd(sequenceNumber) {\n        return box(types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags\n        (sequenceNumber & 0xFF000000) >> 24, (sequenceNumber & 0xFF0000) >> 16, (sequenceNumber & 0xFF00) >> 8, sequenceNumber & 0xFF // sequence_number\n        ]));\n      };\n\n      minf = function minf(track) {\n        return box(types.minf, track.type === 'video' ? box(types.vmhd, VMHD) : box(types.smhd, SMHD), dinf(), stbl(track));\n      };\n\n      moof = function moof(sequenceNumber, tracks) {\n        var trackFragments = [],\n            i = tracks.length; // build traf boxes for each track fragment\n\n        while (i--) {\n          trackFragments[i] = traf(tracks[i]);\n        }\n\n        return box.apply(null, [types.moof, mfhd(sequenceNumber)].concat(trackFragments));\n      };\n      /**\n       * Returns a movie box.\n       * @param tracks {array} the tracks associated with this movie\n       * @see ISO/IEC 14496-12:2012(E), section 8.2.1\n       */\n\n\n      moov = function moov(tracks) {\n        var i = tracks.length,\n            boxes = [];\n\n        while (i--) {\n          boxes[i] = trak(tracks[i]);\n        }\n\n        return box.apply(null, [types.moov, mvhd(0xffffffff)].concat(boxes).concat(mvex(tracks)));\n      };\n\n      mvex = function mvex(tracks) {\n        var i = tracks.length,\n            boxes = [];\n\n        while (i--) {\n          boxes[i] = trex(tracks[i]);\n        }\n\n        return box.apply(null, [types.mvex].concat(boxes));\n      };\n\n      mvhd = function mvhd(duration) {\n        var bytes = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x01, // creation_time\n        0x00, 0x00, 0x00, 0x02, // modification_time\n        0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 \"ticks\" per second\n        (duration & 0xFF000000) >> 24, (duration & 0xFF0000) >> 16, (duration & 0xFF00) >> 8, duration & 0xFF, // duration\n        0x00, 0x01, 0x00, 0x00, // 1.0 rate\n        0x01, 0x00, // 1.0 volume\n        0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined\n        0xff, 0xff, 0xff, 0xff // next_track_ID\n        ]);\n        return box(types.mvhd, bytes);\n      };\n\n      sdtp = function sdtp(track) {\n        var samples = track.samples || [],\n            bytes = new Uint8Array(4 + samples.length),\n            flags,\n            i; // leave the full box header (4 bytes) all zero\n        // write the sample table\n\n        for (i = 0; i < samples.length; i++) {\n          flags = samples[i].flags;\n          bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy;\n        }\n\n        return box(types.sdtp, bytes);\n      };\n\n      stbl = function stbl(track) {\n        return box(types.stbl, stsd(track), box(types.stts, STTS), box(types.stsc, STSC), box(types.stsz, STSZ), box(types.stco, STCO));\n      };\n\n      (function () {\n        var videoSample, audioSample;\n\n        stsd = function stsd(track) {\n          return box(types.stsd, new Uint8Array([0x00, // version 0\n          0x00, 0x00, 0x00, // flags\n          0x00, 0x00, 0x00, 0x01]), track.type === 'video' ? videoSample(track) : audioSample(track));\n        };\n\n        videoSample = function videoSample(track) {\n          var sps = track.sps || [],\n              pps = track.pps || [],\n              sequenceParameterSets = [],\n              pictureParameterSets = [],\n              i,\n              avc1Box; // assemble the SPSs\n\n          for (i = 0; i < sps.length; i++) {\n            sequenceParameterSets.push((sps[i].byteLength & 0xFF00) >>> 8);\n            sequenceParameterSets.push(sps[i].byteLength & 0xFF); // sequenceParameterSetLength\n\n            sequenceParameterSets = sequenceParameterSets.concat(Array.prototype.slice.call(sps[i])); // SPS\n          } // assemble the PPSs\n\n\n          for (i = 0; i < pps.length; i++) {\n            pictureParameterSets.push((pps[i].byteLength & 0xFF00) >>> 8);\n            pictureParameterSets.push(pps[i].byteLength & 0xFF);\n            pictureParameterSets = pictureParameterSets.concat(Array.prototype.slice.call(pps[i]));\n          }\n\n          avc1Box = [types.avc1, new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // data_reference_index\n          0x00, 0x00, // pre_defined\n          0x00, 0x00, // reserved\n          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined\n          (track.width & 0xff00) >> 8, track.width & 0xff, // width\n          (track.height & 0xff00) >> 8, track.height & 0xff, // height\n          0x00, 0x48, 0x00, 0x00, // horizresolution\n          0x00, 0x48, 0x00, 0x00, // vertresolution\n          0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // frame_count\n          0x13, 0x76, 0x69, 0x64, 0x65, 0x6f, 0x6a, 0x73, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x69, 0x62, 0x2d, 0x68, 0x6c, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname\n          0x00, 0x18, // depth = 24\n          0x11, 0x11 // pre_defined = -1\n          ]), box(types.avcC, new Uint8Array([0x01, // configurationVersion\n          track.profileIdc, // AVCProfileIndication\n          track.profileCompatibility, // profile_compatibility\n          track.levelIdc, // AVCLevelIndication\n          0xff // lengthSizeMinusOne, hard-coded to 4 bytes\n          ].concat([sps.length], // numOfSequenceParameterSets\n          sequenceParameterSets, // \"SPS\"\n          [pps.length], // numOfPictureParameterSets\n          pictureParameterSets // \"PPS\"\n          ))), box(types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n          0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n          0x00, 0x2d, 0xc6, 0xc0 // avgBitrate\n          ]))];\n\n          if (track.sarRatio) {\n            var hSpacing = track.sarRatio[0],\n                vSpacing = track.sarRatio[1];\n            avc1Box.push(box(types.pasp, new Uint8Array([(hSpacing & 0xFF000000) >> 24, (hSpacing & 0xFF0000) >> 16, (hSpacing & 0xFF00) >> 8, hSpacing & 0xFF, (vSpacing & 0xFF000000) >> 24, (vSpacing & 0xFF0000) >> 16, (vSpacing & 0xFF00) >> 8, vSpacing & 0xFF])));\n          }\n\n          return box.apply(null, avc1Box);\n        };\n\n        audioSample = function audioSample(track) {\n          return box(types.mp4a, new Uint8Array([// SampleEntry, ISO/IEC 14496-12\n          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // data_reference_index\n          // AudioSampleEntry, ISO/IEC 14496-12\n          0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x00, 0x00, 0x00, // reserved\n          (track.channelcount & 0xff00) >> 8, track.channelcount & 0xff, // channelcount\n          (track.samplesize & 0xff00) >> 8, track.samplesize & 0xff, // samplesize\n          0x00, 0x00, // pre_defined\n          0x00, 0x00, // reserved\n          (track.samplerate & 0xff00) >> 8, track.samplerate & 0xff, 0x00, 0x00 // samplerate, 16.16\n          // MP4AudioSampleEntry, ISO/IEC 14496-14\n          ]), esds(track));\n        };\n      })();\n\n      tkhd = function tkhd(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x07, // flags\n        0x00, 0x00, 0x00, 0x00, // creation_time\n        0x00, 0x00, 0x00, 0x00, // modification_time\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x00, // reserved\n        (track.duration & 0xFF000000) >> 24, (track.duration & 0xFF0000) >> 16, (track.duration & 0xFF00) >> 8, track.duration & 0xFF, // duration\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, // layer\n        0x00, 0x00, // alternate_group\n        0x01, 0x00, // non-audio track volume\n        0x00, 0x00, // reserved\n        0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n        (track.width & 0xFF00) >> 8, track.width & 0xFF, 0x00, 0x00, // width\n        (track.height & 0xFF00) >> 8, track.height & 0xFF, 0x00, 0x00 // height\n        ]);\n        return box(types.tkhd, result);\n      };\n      /**\n       * Generate a track fragment (traf) box. A traf box collects metadata\n       * about tracks in a movie fragment (moof) box.\n       */\n\n\n      traf = function traf(track) {\n        var trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable, dataOffset, upperWordBaseMediaDecodeTime, lowerWordBaseMediaDecodeTime;\n        trackFragmentHeader = box(types.tfhd, new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x3a, // flags\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x01, // sample_description_index\n        0x00, 0x00, 0x00, 0x00, // default_sample_duration\n        0x00, 0x00, 0x00, 0x00, // default_sample_size\n        0x00, 0x00, 0x00, 0x00 // default_sample_flags\n        ]));\n        upperWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime / (UINT32_MAX + 1));\n        lowerWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime % (UINT32_MAX + 1));\n        trackFragmentDecodeTime = box(types.tfdt, new Uint8Array([0x01, // version 1\n        0x00, 0x00, 0x00, // flags\n        // baseMediaDecodeTime\n        upperWordBaseMediaDecodeTime >>> 24 & 0xFF, upperWordBaseMediaDecodeTime >>> 16 & 0xFF, upperWordBaseMediaDecodeTime >>> 8 & 0xFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >>> 24 & 0xFF, lowerWordBaseMediaDecodeTime >>> 16 & 0xFF, lowerWordBaseMediaDecodeTime >>> 8 & 0xFF, lowerWordBaseMediaDecodeTime & 0xFF])); // the data offset specifies the number of bytes from the start of\n        // the containing moof to the first payload byte of the associated\n        // mdat\n\n        dataOffset = 32 + // tfhd\n        20 + // tfdt\n        8 + // traf header\n        16 + // mfhd\n        8 + // moof header\n        8; // mdat header\n        // audio tracks require less metadata\n\n        if (track.type === 'audio') {\n          trackFragmentRun = trun(track, dataOffset);\n          return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun);\n        } // video tracks should contain an independent and disposable samples\n        // box (sdtp)\n        // generate one and adjust offsets to match\n\n\n        sampleDependencyTable = sdtp(track);\n        trackFragmentRun = trun(track, sampleDependencyTable.length + dataOffset);\n        return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable);\n      };\n      /**\n       * Generate a track box.\n       * @param track {object} a track definition\n       * @return {Uint8Array} the track box\n       */\n\n\n      trak = function trak(track) {\n        track.duration = track.duration || 0xffffffff;\n        return box(types.trak, tkhd(track), mdia(track));\n      };\n\n      trex = function trex(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n        0x00, 0x00, 0x00, 0x00, // default_sample_duration\n        0x00, 0x00, 0x00, 0x00, // default_sample_size\n        0x00, 0x01, 0x00, 0x01 // default_sample_flags\n        ]); // the last two bytes of default_sample_flags is the sample\n        // degradation priority, a hint about the importance of this sample\n        // relative to others. Lower the degradation priority for all sample\n        // types other than video.\n\n        if (track.type !== 'video') {\n          result[result.length - 1] = 0x00;\n        }\n\n        return box(types.trex, result);\n      };\n\n      (function () {\n        var audioTrun, videoTrun, trunHeader; // This method assumes all samples are uniform. That is, if a\n        // duration is present for the first sample, it will be present for\n        // all subsequent samples.\n        // see ISO/IEC 14496-12:2012, Section 8.8.8.1\n\n        trunHeader = function trunHeader(samples, offset) {\n          var durationPresent = 0,\n              sizePresent = 0,\n              flagsPresent = 0,\n              compositionTimeOffset = 0; // trun flag constants\n\n          if (samples.length) {\n            if (samples[0].duration !== undefined) {\n              durationPresent = 0x1;\n            }\n\n            if (samples[0].size !== undefined) {\n              sizePresent = 0x2;\n            }\n\n            if (samples[0].flags !== undefined) {\n              flagsPresent = 0x4;\n            }\n\n            if (samples[0].compositionTimeOffset !== undefined) {\n              compositionTimeOffset = 0x8;\n            }\n          }\n\n          return [0x00, // version 0\n          0x00, durationPresent | sizePresent | flagsPresent | compositionTimeOffset, 0x01, // flags\n          (samples.length & 0xFF000000) >>> 24, (samples.length & 0xFF0000) >>> 16, (samples.length & 0xFF00) >>> 8, samples.length & 0xFF, // sample_count\n          (offset & 0xFF000000) >>> 24, (offset & 0xFF0000) >>> 16, (offset & 0xFF00) >>> 8, offset & 0xFF // data_offset\n          ];\n        };\n\n        videoTrun = function videoTrun(track, offset) {\n          var bytes, samples, sample, i;\n          samples = track.samples || [];\n          offset += 8 + 12 + 16 * samples.length;\n          bytes = trunHeader(samples, offset);\n\n          for (i = 0; i < samples.length; i++) {\n            sample = samples[i];\n            bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration\n            (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF, // sample_size\n            sample.flags.isLeading << 2 | sample.flags.dependsOn, sample.flags.isDependedOn << 6 | sample.flags.hasRedundancy << 4 | sample.flags.paddingValue << 1 | sample.flags.isNonSyncSample, sample.flags.degradationPriority & 0xF0 << 8, sample.flags.degradationPriority & 0x0F, // sample_flags\n            (sample.compositionTimeOffset & 0xFF000000) >>> 24, (sample.compositionTimeOffset & 0xFF0000) >>> 16, (sample.compositionTimeOffset & 0xFF00) >>> 8, sample.compositionTimeOffset & 0xFF // sample_composition_time_offset\n            ]);\n          }\n\n          return box(types.trun, new Uint8Array(bytes));\n        };\n\n        audioTrun = function audioTrun(track, offset) {\n          var bytes, samples, sample, i;\n          samples = track.samples || [];\n          offset += 8 + 12 + 8 * samples.length;\n          bytes = trunHeader(samples, offset);\n\n          for (i = 0; i < samples.length; i++) {\n            sample = samples[i];\n            bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration\n            (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF]); // sample_size\n          }\n\n          return box(types.trun, new Uint8Array(bytes));\n        };\n\n        trun = function trun(track, offset) {\n          if (track.type === 'audio') {\n            return audioTrun(track, offset);\n          }\n\n          return videoTrun(track, offset);\n        };\n      })();\n\n      var mp4Generator = {\n        ftyp: ftyp,\n        mdat: mdat,\n        moof: moof,\n        moov: moov,\n        initSegment: function initSegment(tracks) {\n          var fileType = ftyp(),\n              movie = moov(tracks),\n              result;\n          result = new Uint8Array(fileType.byteLength + movie.byteLength);\n          result.set(fileType);\n          result.set(movie, fileType.byteLength);\n          return result;\n        }\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n      // Convert an array of nal units into an array of frames with each frame being\n      // composed of the nal units that make up that frame\n      // Also keep track of cummulative data about the frame from the nal units such\n      // as the frame duration, starting pts, etc.\n\n      var groupNalsIntoFrames = function groupNalsIntoFrames(nalUnits) {\n        var i,\n            currentNal,\n            currentFrame = [],\n            frames = []; // TODO added for LHLS, make sure this is OK\n\n        frames.byteLength = 0;\n        frames.nalCount = 0;\n        frames.duration = 0;\n        currentFrame.byteLength = 0;\n\n        for (i = 0; i < nalUnits.length; i++) {\n          currentNal = nalUnits[i]; // Split on 'aud'-type nal units\n\n          if (currentNal.nalUnitType === 'access_unit_delimiter_rbsp') {\n            // Since the very first nal unit is expected to be an AUD\n            // only push to the frames array when currentFrame is not empty\n            if (currentFrame.length) {\n              currentFrame.duration = currentNal.dts - currentFrame.dts; // TODO added for LHLS, make sure this is OK\n\n              frames.byteLength += currentFrame.byteLength;\n              frames.nalCount += currentFrame.length;\n              frames.duration += currentFrame.duration;\n              frames.push(currentFrame);\n            }\n\n            currentFrame = [currentNal];\n            currentFrame.byteLength = currentNal.data.byteLength;\n            currentFrame.pts = currentNal.pts;\n            currentFrame.dts = currentNal.dts;\n          } else {\n            // Specifically flag key frames for ease of use later\n            if (currentNal.nalUnitType === 'slice_layer_without_partitioning_rbsp_idr') {\n              currentFrame.keyFrame = true;\n            }\n\n            currentFrame.duration = currentNal.dts - currentFrame.dts;\n            currentFrame.byteLength += currentNal.data.byteLength;\n            currentFrame.push(currentNal);\n          }\n        } // For the last frame, use the duration of the previous frame if we\n        // have nothing better to go on\n\n\n        if (frames.length && (!currentFrame.duration || currentFrame.duration <= 0)) {\n          currentFrame.duration = frames[frames.length - 1].duration;\n        } // Push the final frame\n        // TODO added for LHLS, make sure this is OK\n\n\n        frames.byteLength += currentFrame.byteLength;\n        frames.nalCount += currentFrame.length;\n        frames.duration += currentFrame.duration;\n        frames.push(currentFrame);\n        return frames;\n      }; // Convert an array of frames into an array of Gop with each Gop being composed\n      // of the frames that make up that Gop\n      // Also keep track of cummulative data about the Gop from the frames such as the\n      // Gop duration, starting pts, etc.\n\n\n      var groupFramesIntoGops = function groupFramesIntoGops(frames) {\n        var i,\n            currentFrame,\n            currentGop = [],\n            gops = []; // We must pre-set some of the values on the Gop since we\n        // keep running totals of these values\n\n        currentGop.byteLength = 0;\n        currentGop.nalCount = 0;\n        currentGop.duration = 0;\n        currentGop.pts = frames[0].pts;\n        currentGop.dts = frames[0].dts; // store some metadata about all the Gops\n\n        gops.byteLength = 0;\n        gops.nalCount = 0;\n        gops.duration = 0;\n        gops.pts = frames[0].pts;\n        gops.dts = frames[0].dts;\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n\n          if (currentFrame.keyFrame) {\n            // Since the very first frame is expected to be an keyframe\n            // only push to the gops array when currentGop is not empty\n            if (currentGop.length) {\n              gops.push(currentGop);\n              gops.byteLength += currentGop.byteLength;\n              gops.nalCount += currentGop.nalCount;\n              gops.duration += currentGop.duration;\n            }\n\n            currentGop = [currentFrame];\n            currentGop.nalCount = currentFrame.length;\n            currentGop.byteLength = currentFrame.byteLength;\n            currentGop.pts = currentFrame.pts;\n            currentGop.dts = currentFrame.dts;\n            currentGop.duration = currentFrame.duration;\n          } else {\n            currentGop.duration += currentFrame.duration;\n            currentGop.nalCount += currentFrame.length;\n            currentGop.byteLength += currentFrame.byteLength;\n            currentGop.push(currentFrame);\n          }\n        }\n\n        if (gops.length && currentGop.duration <= 0) {\n          currentGop.duration = gops[gops.length - 1].duration;\n        }\n\n        gops.byteLength += currentGop.byteLength;\n        gops.nalCount += currentGop.nalCount;\n        gops.duration += currentGop.duration; // push the final Gop\n\n        gops.push(currentGop);\n        return gops;\n      };\n      /*\n       * Search for the first keyframe in the GOPs and throw away all frames\n       * until that keyframe. Then extend the duration of the pulled keyframe\n       * and pull the PTS and DTS of the keyframe so that it covers the time\n       * range of the frames that were disposed.\n       *\n       * @param {Array} gops video GOPs\n       * @returns {Array} modified video GOPs\n       */\n\n\n      var extendFirstKeyFrame = function extendFirstKeyFrame(gops) {\n        var currentGop;\n\n        if (!gops[0][0].keyFrame && gops.length > 1) {\n          // Remove the first GOP\n          currentGop = gops.shift();\n          gops.byteLength -= currentGop.byteLength;\n          gops.nalCount -= currentGop.nalCount; // Extend the first frame of what is now the\n          // first gop to cover the time period of the\n          // frames we just removed\n\n          gops[0][0].dts = currentGop.dts;\n          gops[0][0].pts = currentGop.pts;\n          gops[0][0].duration += currentGop.duration;\n        }\n\n        return gops;\n      };\n      /**\n       * Default sample object\n       * see ISO/IEC 14496-12:2012, section 8.6.4.3\n       */\n\n\n      var createDefaultSample = function createDefaultSample() {\n        return {\n          size: 0,\n          flags: {\n            isLeading: 0,\n            dependsOn: 1,\n            isDependedOn: 0,\n            hasRedundancy: 0,\n            degradationPriority: 0,\n            isNonSyncSample: 1\n          }\n        };\n      };\n      /*\n       * Collates information from a video frame into an object for eventual\n       * entry into an MP4 sample table.\n       *\n       * @param {Object} frame the video frame\n       * @param {Number} dataOffset the byte offset to position the sample\n       * @return {Object} object containing sample table info for a frame\n       */\n\n\n      var sampleForFrame = function sampleForFrame(frame, dataOffset) {\n        var sample = createDefaultSample();\n        sample.dataOffset = dataOffset;\n        sample.compositionTimeOffset = frame.pts - frame.dts;\n        sample.duration = frame.duration;\n        sample.size = 4 * frame.length; // Space for nal unit size\n\n        sample.size += frame.byteLength;\n\n        if (frame.keyFrame) {\n          sample.flags.dependsOn = 2;\n          sample.flags.isNonSyncSample = 0;\n        }\n\n        return sample;\n      }; // generate the track's sample table from an array of gops\n\n\n      var generateSampleTable = function generateSampleTable(gops, baseDataOffset) {\n        var h,\n            i,\n            sample,\n            currentGop,\n            currentFrame,\n            dataOffset = baseDataOffset || 0,\n            samples = [];\n\n        for (h = 0; h < gops.length; h++) {\n          currentGop = gops[h];\n\n          for (i = 0; i < currentGop.length; i++) {\n            currentFrame = currentGop[i];\n            sample = sampleForFrame(currentFrame, dataOffset);\n            dataOffset += sample.size;\n            samples.push(sample);\n          }\n        }\n\n        return samples;\n      }; // generate the track's raw mdat data from an array of gops\n\n\n      var concatenateNalData = function concatenateNalData(gops) {\n        var h,\n            i,\n            j,\n            currentGop,\n            currentFrame,\n            currentNal,\n            dataOffset = 0,\n            nalsByteLength = gops.byteLength,\n            numberOfNals = gops.nalCount,\n            totalByteLength = nalsByteLength + 4 * numberOfNals,\n            data = new Uint8Array(totalByteLength),\n            view = new DataView(data.buffer); // For each Gop..\n\n        for (h = 0; h < gops.length; h++) {\n          currentGop = gops[h]; // For each Frame..\n\n          for (i = 0; i < currentGop.length; i++) {\n            currentFrame = currentGop[i]; // For each NAL..\n\n            for (j = 0; j < currentFrame.length; j++) {\n              currentNal = currentFrame[j];\n              view.setUint32(dataOffset, currentNal.data.byteLength);\n              dataOffset += 4;\n              data.set(currentNal.data, dataOffset);\n              dataOffset += currentNal.data.byteLength;\n            }\n          }\n        }\n\n        return data;\n      }; // generate the track's sample table from a frame\n\n\n      var generateSampleTableForFrame = function generateSampleTableForFrame(frame, baseDataOffset) {\n        var sample,\n            dataOffset = baseDataOffset || 0,\n            samples = [];\n        sample = sampleForFrame(frame, dataOffset);\n        samples.push(sample);\n        return samples;\n      }; // generate the track's raw mdat data from a frame\n\n\n      var concatenateNalDataForFrame = function concatenateNalDataForFrame(frame) {\n        var i,\n            currentNal,\n            dataOffset = 0,\n            nalsByteLength = frame.byteLength,\n            numberOfNals = frame.length,\n            totalByteLength = nalsByteLength + 4 * numberOfNals,\n            data = new Uint8Array(totalByteLength),\n            view = new DataView(data.buffer); // For each NAL..\n\n        for (i = 0; i < frame.length; i++) {\n          currentNal = frame[i];\n          view.setUint32(dataOffset, currentNal.data.byteLength);\n          dataOffset += 4;\n          data.set(currentNal.data, dataOffset);\n          dataOffset += currentNal.data.byteLength;\n        }\n\n        return data;\n      };\n\n      var frameUtils = {\n        groupNalsIntoFrames: groupNalsIntoFrames,\n        groupFramesIntoGops: groupFramesIntoGops,\n        extendFirstKeyFrame: extendFirstKeyFrame,\n        generateSampleTable: generateSampleTable,\n        concatenateNalData: concatenateNalData,\n        generateSampleTableForFrame: generateSampleTableForFrame,\n        concatenateNalDataForFrame: concatenateNalDataForFrame\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var highPrefix = [33, 16, 5, 32, 164, 27];\n      var lowPrefix = [33, 65, 108, 84, 1, 2, 4, 8, 168, 2, 4, 8, 17, 191, 252];\n\n      var zeroFill = function zeroFill(count) {\n        var a = [];\n\n        while (count--) {\n          a.push(0);\n        }\n\n        return a;\n      };\n\n      var makeTable = function makeTable(metaTable) {\n        return Object.keys(metaTable).reduce(function (obj, key) {\n          obj[key] = new Uint8Array(metaTable[key].reduce(function (arr, part) {\n            return arr.concat(part);\n          }, []));\n          return obj;\n        }, {});\n      }; // Frames-of-silence to use for filling in missing AAC frames\n\n\n      var coneOfSilence = {\n        96000: [highPrefix, [227, 64], zeroFill(154), [56]],\n        88200: [highPrefix, [231], zeroFill(170), [56]],\n        64000: [highPrefix, [248, 192], zeroFill(240), [56]],\n        48000: [highPrefix, [255, 192], zeroFill(268), [55, 148, 128], zeroFill(54), [112]],\n        44100: [highPrefix, [255, 192], zeroFill(268), [55, 163, 128], zeroFill(84), [112]],\n        32000: [highPrefix, [255, 192], zeroFill(268), [55, 234], zeroFill(226), [112]],\n        24000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 112], zeroFill(126), [224]],\n        16000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 255], zeroFill(269), [223, 108], zeroFill(195), [1, 192]],\n        12000: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 253, 128], zeroFill(259), [56]],\n        11025: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 255, 192], zeroFill(268), [55, 175, 128], zeroFill(108), [112]],\n        8000: [lowPrefix, zeroFill(268), [3, 121, 16], zeroFill(47), [7]]\n      };\n      var silence = makeTable(coneOfSilence);\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ONE_SECOND_IN_TS = 90000,\n          // 90kHz clock\n      secondsToVideoTs,\n          secondsToAudioTs,\n          videoTsToSeconds,\n          audioTsToSeconds,\n          audioTsToVideoTs,\n          videoTsToAudioTs,\n          metadataTsToSeconds;\n\n      secondsToVideoTs = function secondsToVideoTs(seconds) {\n        return seconds * ONE_SECOND_IN_TS;\n      };\n\n      secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {\n        return seconds * sampleRate;\n      };\n\n      videoTsToSeconds = function videoTsToSeconds(timestamp) {\n        return timestamp / ONE_SECOND_IN_TS;\n      };\n\n      audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {\n        return timestamp / sampleRate;\n      };\n\n      audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {\n        return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));\n      };\n\n      videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {\n        return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);\n      };\n      /**\n       * Adjust ID3 tag or caption timing information by the timeline pts values\n       * (if keepOriginalTimestamps is false) and convert to seconds\n       */\n\n\n      metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {\n        return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);\n      };\n\n      var clock = {\n        ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,\n        secondsToVideoTs: secondsToVideoTs,\n        secondsToAudioTs: secondsToAudioTs,\n        videoTsToSeconds: videoTsToSeconds,\n        audioTsToSeconds: audioTsToSeconds,\n        audioTsToVideoTs: audioTsToVideoTs,\n        videoTsToAudioTs: videoTsToAudioTs,\n        metadataTsToSeconds: metadataTsToSeconds\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      /**\n       * Sum the `byteLength` properties of the data in each AAC frame\n       */\n\n      var sumFrameByteLengths = function sumFrameByteLengths(array) {\n        var i,\n            currentObj,\n            sum = 0; // sum the byteLength's all each nal unit in the frame\n\n        for (i = 0; i < array.length; i++) {\n          currentObj = array[i];\n          sum += currentObj.data.byteLength;\n        }\n\n        return sum;\n      }; // Possibly pad (prefix) the audio track with silence if appending this track\n      // would lead to the introduction of a gap in the audio buffer\n\n\n      var prefixWithSilence = function prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime) {\n        var baseMediaDecodeTimeTs,\n            frameDuration = 0,\n            audioGapDuration = 0,\n            audioFillFrameCount = 0,\n            audioFillDuration = 0,\n            silentFrame,\n            i,\n            firstFrame;\n\n        if (!frames.length) {\n          return;\n        }\n\n        baseMediaDecodeTimeTs = clock.audioTsToVideoTs(track.baseMediaDecodeTime, track.samplerate); // determine frame clock duration based on sample rate, round up to avoid overfills\n\n        frameDuration = Math.ceil(clock.ONE_SECOND_IN_TS / (track.samplerate / 1024));\n\n        if (audioAppendStartTs && videoBaseMediaDecodeTime) {\n          // insert the shortest possible amount (audio gap or audio to video gap)\n          audioGapDuration = baseMediaDecodeTimeTs - Math.max(audioAppendStartTs, videoBaseMediaDecodeTime); // number of full frames in the audio gap\n\n          audioFillFrameCount = Math.floor(audioGapDuration / frameDuration);\n          audioFillDuration = audioFillFrameCount * frameDuration;\n        } // don't attempt to fill gaps smaller than a single frame or larger\n        // than a half second\n\n\n        if (audioFillFrameCount < 1 || audioFillDuration > clock.ONE_SECOND_IN_TS / 2) {\n          return;\n        }\n\n        silentFrame = silence[track.samplerate];\n\n        if (!silentFrame) {\n          // we don't have a silent frame pregenerated for the sample rate, so use a frame\n          // from the content instead\n          silentFrame = frames[0].data;\n        }\n\n        for (i = 0; i < audioFillFrameCount; i++) {\n          firstFrame = frames[0];\n          frames.splice(0, 0, {\n            data: silentFrame,\n            dts: firstFrame.dts - frameDuration,\n            pts: firstFrame.pts - frameDuration\n          });\n        }\n\n        track.baseMediaDecodeTime -= Math.floor(clock.videoTsToAudioTs(audioFillDuration, track.samplerate));\n      }; // If the audio segment extends before the earliest allowed dts\n      // value, remove AAC frames until starts at or after the earliest\n      // allowed DTS so that we don't end up with a negative baseMedia-\n      // DecodeTime for the audio track\n\n\n      var trimAdtsFramesByEarliestDts = function trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts) {\n        if (track.minSegmentDts >= earliestAllowedDts) {\n          return adtsFrames;\n        } // We will need to recalculate the earliest segment Dts\n\n\n        track.minSegmentDts = Infinity;\n        return adtsFrames.filter(function (currentFrame) {\n          // If this is an allowed frame, keep it and record it's Dts\n          if (currentFrame.dts >= earliestAllowedDts) {\n            track.minSegmentDts = Math.min(track.minSegmentDts, currentFrame.dts);\n            track.minSegmentPts = track.minSegmentDts;\n            return true;\n          } // Otherwise, discard it\n\n\n          return false;\n        });\n      }; // generate the track's raw mdat data from an array of frames\n\n\n      var generateSampleTable$1 = function generateSampleTable(frames) {\n        var i,\n            currentFrame,\n            samples = [];\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n          samples.push({\n            size: currentFrame.data.byteLength,\n            duration: 1024 // For AAC audio, all samples contain 1024 samples\n\n          });\n        }\n\n        return samples;\n      }; // generate the track's sample table from an array of frames\n\n\n      var concatenateFrameData = function concatenateFrameData(frames) {\n        var i,\n            currentFrame,\n            dataOffset = 0,\n            data = new Uint8Array(sumFrameByteLengths(frames));\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n          data.set(currentFrame.data, dataOffset);\n          dataOffset += currentFrame.data.byteLength;\n        }\n\n        return data;\n      };\n\n      var audioFrameUtils = {\n        prefixWithSilence: prefixWithSilence,\n        trimAdtsFramesByEarliestDts: trimAdtsFramesByEarliestDts,\n        generateSampleTable: generateSampleTable$1,\n        concatenateFrameData: concatenateFrameData\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;\n      /**\n       * Store information about the start and end of the track and the\n       * duration for each frame/sample we process in order to calculate\n       * the baseMediaDecodeTime\n       */\n\n      var collectDtsInfo = function collectDtsInfo(track, data) {\n        if (typeof data.pts === 'number') {\n          if (track.timelineStartInfo.pts === undefined) {\n            track.timelineStartInfo.pts = data.pts;\n          }\n\n          if (track.minSegmentPts === undefined) {\n            track.minSegmentPts = data.pts;\n          } else {\n            track.minSegmentPts = Math.min(track.minSegmentPts, data.pts);\n          }\n\n          if (track.maxSegmentPts === undefined) {\n            track.maxSegmentPts = data.pts;\n          } else {\n            track.maxSegmentPts = Math.max(track.maxSegmentPts, data.pts);\n          }\n        }\n\n        if (typeof data.dts === 'number') {\n          if (track.timelineStartInfo.dts === undefined) {\n            track.timelineStartInfo.dts = data.dts;\n          }\n\n          if (track.minSegmentDts === undefined) {\n            track.minSegmentDts = data.dts;\n          } else {\n            track.minSegmentDts = Math.min(track.minSegmentDts, data.dts);\n          }\n\n          if (track.maxSegmentDts === undefined) {\n            track.maxSegmentDts = data.dts;\n          } else {\n            track.maxSegmentDts = Math.max(track.maxSegmentDts, data.dts);\n          }\n        }\n      };\n      /**\n       * Clear values used to calculate the baseMediaDecodeTime between\n       * tracks\n       */\n\n\n      var clearDtsInfo = function clearDtsInfo(track) {\n        delete track.minSegmentDts;\n        delete track.maxSegmentDts;\n        delete track.minSegmentPts;\n        delete track.maxSegmentPts;\n      };\n      /**\n       * Calculate the track's baseMediaDecodeTime based on the earliest\n       * DTS the transmuxer has ever seen and the minimum DTS for the\n       * current track\n       * @param track {object} track metadata configuration\n       * @param keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n\n      var calculateTrackBaseMediaDecodeTime = function calculateTrackBaseMediaDecodeTime(track, keepOriginalTimestamps) {\n        var baseMediaDecodeTime,\n            scale,\n            minSegmentDts = track.minSegmentDts; // Optionally adjust the time so the first segment starts at zero.\n\n        if (!keepOriginalTimestamps) {\n          minSegmentDts -= track.timelineStartInfo.dts;\n        } // track.timelineStartInfo.baseMediaDecodeTime is the location, in time, where\n        // we want the start of the first segment to be placed\n\n\n        baseMediaDecodeTime = track.timelineStartInfo.baseMediaDecodeTime; // Add to that the distance this segment is from the very first\n\n        baseMediaDecodeTime += minSegmentDts; // baseMediaDecodeTime must not become negative\n\n        baseMediaDecodeTime = Math.max(0, baseMediaDecodeTime);\n\n        if (track.type === 'audio') {\n          // Audio has a different clock equal to the sampling_rate so we need to\n          // scale the PTS values into the clock rate of the track\n          scale = track.samplerate / ONE_SECOND_IN_TS$1;\n          baseMediaDecodeTime *= scale;\n          baseMediaDecodeTime = Math.floor(baseMediaDecodeTime);\n        }\n\n        return baseMediaDecodeTime;\n      };\n\n      var trackDecodeInfo = {\n        clearDtsInfo: clearDtsInfo,\n        calculateTrackBaseMediaDecodeTime: calculateTrackBaseMediaDecodeTime,\n        collectDtsInfo: collectDtsInfo\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Reads in-band caption information from a video elementary\n       * stream. Captions must follow the CEA-708 standard for injection\n       * into an MPEG-2 transport streams.\n       * @see https://en.wikipedia.org/wiki/CEA-708\n       * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf\n       */\n      // Supplemental enhancement information (SEI) NAL units have a\n      // payload type field to indicate how they are to be\n      // interpreted. CEAS-708 caption content is always transmitted with\n      // payload type 0x04.\n\n      var USER_DATA_REGISTERED_ITU_T_T35 = 4,\n          RBSP_TRAILING_BITS = 128;\n      /**\n        * Parse a supplemental enhancement information (SEI) NAL unit.\n        * Stops parsing once a message of type ITU T T35 has been found.\n        *\n        * @param bytes {Uint8Array} the bytes of a SEI NAL unit\n        * @return {object} the parsed SEI payload\n        * @see Rec. ITU-T H.264, 7.3.2.3.1\n        */\n\n      var parseSei = function parseSei(bytes) {\n        var i = 0,\n            result = {\n          payloadType: -1,\n          payloadSize: 0\n        },\n            payloadType = 0,\n            payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message\n\n        while (i < bytes.byteLength) {\n          // stop once we have hit the end of the sei_rbsp\n          if (bytes[i] === RBSP_TRAILING_BITS) {\n            break;\n          } // Parse payload type\n\n\n          while (bytes[i] === 0xFF) {\n            payloadType += 255;\n            i++;\n          }\n\n          payloadType += bytes[i++]; // Parse payload size\n\n          while (bytes[i] === 0xFF) {\n            payloadSize += 255;\n            i++;\n          }\n\n          payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break\n          // there can only ever be one caption message in a frame's sei\n\n          if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {\n            result.payloadType = payloadType;\n            result.payloadSize = payloadSize;\n            result.payload = bytes.subarray(i, i + payloadSize);\n            break;\n          } // skip the payload and parse the next message\n\n\n          i += payloadSize;\n          payloadType = 0;\n          payloadSize = 0;\n        }\n\n        return result;\n      }; // see ANSI/SCTE 128-1 (2013), section 8.1\n\n\n      var parseUserData = function parseUserData(sei) {\n        // itu_t_t35_contry_code must be 181 (United States) for\n        // captions\n        if (sei.payload[0] !== 181) {\n          return null;\n        } // itu_t_t35_provider_code should be 49 (ATSC) for captions\n\n\n        if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {\n          return null;\n        } // the user_identifier should be \"GA94\" to indicate ATSC1 data\n\n\n        if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {\n          return null;\n        } // finally, user_data_type_code should be 0x03 for caption data\n\n\n        if (sei.payload[7] !== 0x03) {\n          return null;\n        } // return the user_data_type_structure and strip the trailing\n        // marker bits\n\n\n        return sei.payload.subarray(8, sei.payload.length - 1);\n      }; // see CEA-708-D, section 4.4\n\n\n      var parseCaptionPackets = function parseCaptionPackets(pts, userData) {\n        var results = [],\n            i,\n            count,\n            offset,\n            data; // if this is just filler, return immediately\n\n        if (!(userData[0] & 0x40)) {\n          return results;\n        } // parse out the cc_data_1 and cc_data_2 fields\n\n\n        count = userData[0] & 0x1f;\n\n        for (i = 0; i < count; i++) {\n          offset = i * 3;\n          data = {\n            type: userData[offset + 2] & 0x03,\n            pts: pts\n          }; // capture cc data when cc_valid is 1\n\n          if (userData[offset + 2] & 0x04) {\n            data.ccData = userData[offset + 3] << 8 | userData[offset + 4];\n            results.push(data);\n          }\n        }\n\n        return results;\n      };\n\n      var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n        var length = data.byteLength,\n            emulationPreventionBytesPositions = [],\n            i = 1,\n            newLength,\n            newData; // Find all `Emulation Prevention Bytes`\n\n        while (i < length - 2) {\n          if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n            emulationPreventionBytesPositions.push(i + 2);\n            i += 2;\n          } else {\n            i++;\n          }\n        } // If no Emulation Prevention Bytes were found just return the original\n        // array\n\n\n        if (emulationPreventionBytesPositions.length === 0) {\n          return data;\n        } // Create a new array to hold the NAL unit data\n\n\n        newLength = length - emulationPreventionBytesPositions.length;\n        newData = new Uint8Array(newLength);\n        var sourceIndex = 0;\n\n        for (i = 0; i < newLength; sourceIndex++, i++) {\n          if (sourceIndex === emulationPreventionBytesPositions[0]) {\n            // Skip this byte\n            sourceIndex++; // Remove this position index\n\n            emulationPreventionBytesPositions.shift();\n          }\n\n          newData[i] = data[sourceIndex];\n        }\n\n        return newData;\n      }; // exports\n\n\n      var captionPacketParser = {\n        parseSei: parseSei,\n        parseUserData: parseUserData,\n        parseCaptionPackets: parseCaptionPackets,\n        discardEmulationPreventionBytes: discardEmulationPreventionBytes,\n        USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35\n      }; // -----------------\n      // Link To Transport\n      // -----------------\n\n      var CaptionStream = function CaptionStream() {\n        CaptionStream.prototype.init.call(this);\n        this.captionPackets_ = [];\n        this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define\n        new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define\n        new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define\n        new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define\n        ];\n        this.reset(); // forward data and done events from CCs to this CaptionStream\n\n        this.ccStreams_.forEach(function (cc) {\n          cc.on('data', this.trigger.bind(this, 'data'));\n          cc.on('partialdone', this.trigger.bind(this, 'partialdone'));\n          cc.on('done', this.trigger.bind(this, 'done'));\n        }, this);\n      };\n\n      CaptionStream.prototype = new stream();\n\n      CaptionStream.prototype.push = function (event) {\n        var sei, userData, newCaptionPackets; // only examine SEI NALs\n\n        if (event.nalUnitType !== 'sei_rbsp') {\n          return;\n        } // parse the sei\n\n\n        sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35\n\n        if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {\n          return;\n        } // parse out the user data payload\n\n\n        userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData\n\n        if (!userData) {\n          return;\n        } // Sometimes, the same segment # will be downloaded twice. To stop the\n        // caption data from being processed twice, we track the latest dts we've\n        // received and ignore everything with a dts before that. However, since\n        // data for a specific dts can be split across packets on either side of\n        // a segment boundary, we need to make sure we *don't* ignore the packets\n        // from the *next* segment that have dts === this.latestDts_. By constantly\n        // tracking the number of packets received with dts === this.latestDts_, we\n        // know how many should be ignored once we start receiving duplicates.\n\n\n        if (event.dts < this.latestDts_) {\n          // We've started getting older data, so set the flag.\n          this.ignoreNextEqualDts_ = true;\n          return;\n        } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {\n          this.numSameDts_--;\n\n          if (!this.numSameDts_) {\n            // We've received the last duplicate packet, time to start processing again\n            this.ignoreNextEqualDts_ = false;\n          }\n\n          return;\n        } // parse out CC data packets and save them for later\n\n\n        newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);\n        this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);\n\n        if (this.latestDts_ !== event.dts) {\n          this.numSameDts_ = 0;\n        }\n\n        this.numSameDts_++;\n        this.latestDts_ = event.dts;\n      };\n\n      CaptionStream.prototype.flushCCStreams = function (flushType) {\n        this.ccStreams_.forEach(function (cc) {\n          return flushType === 'flush' ? cc.flush() : cc.partialFlush();\n        }, this);\n      };\n\n      CaptionStream.prototype.flushStream = function (flushType) {\n        // make sure we actually parsed captions before proceeding\n        if (!this.captionPackets_.length) {\n          this.flushCCStreams(flushType);\n          return;\n        } // In Chrome, the Array#sort function is not stable so add a\n        // presortIndex that we can use to ensure we get a stable-sort\n\n\n        this.captionPackets_.forEach(function (elem, idx) {\n          elem.presortIndex = idx;\n        }); // sort caption byte-pairs based on their PTS values\n\n        this.captionPackets_.sort(function (a, b) {\n          if (a.pts === b.pts) {\n            return a.presortIndex - b.presortIndex;\n          }\n\n          return a.pts - b.pts;\n        });\n        this.captionPackets_.forEach(function (packet) {\n          if (packet.type < 2) {\n            // Dispatch packet to the right Cea608Stream\n            this.dispatchCea608Packet(packet);\n          } // this is where an 'else' would go for a dispatching packets\n          // to a theoretical Cea708Stream that handles SERVICEn data\n\n        }, this);\n        this.captionPackets_.length = 0;\n        this.flushCCStreams(flushType);\n      };\n\n      CaptionStream.prototype.flush = function () {\n        return this.flushStream('flush');\n      }; // Only called if handling partial data\n\n\n      CaptionStream.prototype.partialFlush = function () {\n        return this.flushStream('partialFlush');\n      };\n\n      CaptionStream.prototype.reset = function () {\n        this.latestDts_ = null;\n        this.ignoreNextEqualDts_ = false;\n        this.numSameDts_ = 0;\n        this.activeCea608Channel_ = [null, null];\n        this.ccStreams_.forEach(function (ccStream) {\n          ccStream.reset();\n        });\n      }; // From the CEA-608 spec:\n\n      /*\n       * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed\n       * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is\n       * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair\n       * and subsequent data should then be processed according to the FCC rules. It may be necessary for the\n       * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)\n       * to switch to captioning or Text.\n      */\n      // With that in mind, we ignore any data between an XDS control code and a\n      // subsequent closed-captioning control code.\n\n\n      CaptionStream.prototype.dispatchCea608Packet = function (packet) {\n        // NOTE: packet.type is the CEA608 field\n        if (this.setsTextOrXDSActive(packet)) {\n          this.activeCea608Channel_[packet.type] = null;\n        } else if (this.setsChannel1Active(packet)) {\n          this.activeCea608Channel_[packet.type] = 0;\n        } else if (this.setsChannel2Active(packet)) {\n          this.activeCea608Channel_[packet.type] = 1;\n        }\n\n        if (this.activeCea608Channel_[packet.type] === null) {\n          // If we haven't received anything to set the active channel, or the\n          // packets are Text/XDS data, discard the data; we don't want jumbled\n          // captions\n          return;\n        }\n\n        this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);\n      };\n\n      CaptionStream.prototype.setsChannel1Active = function (packet) {\n        return (packet.ccData & 0x7800) === 0x1000;\n      };\n\n      CaptionStream.prototype.setsChannel2Active = function (packet) {\n        return (packet.ccData & 0x7800) === 0x1800;\n      };\n\n      CaptionStream.prototype.setsTextOrXDSActive = function (packet) {\n        return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;\n      }; // ----------------------\n      // Session to Application\n      // ----------------------\n      // This hash maps non-ASCII, special, and extended character codes to their\n      // proper Unicode equivalent. The first keys that are only a single byte\n      // are the non-standard ASCII characters, which simply map the CEA608 byte\n      // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608\n      // character codes, but have their MSB bitmasked with 0x03 so that a lookup\n      // can be performed regardless of the field and data channel on which the\n      // character code was received.\n\n\n      var CHARACTER_TRANSLATION = {\n        0x2a: 0xe1,\n        // á\n        0x5c: 0xe9,\n        // é\n        0x5e: 0xed,\n        // í\n        0x5f: 0xf3,\n        // ó\n        0x60: 0xfa,\n        // ú\n        0x7b: 0xe7,\n        // ç\n        0x7c: 0xf7,\n        // ÷\n        0x7d: 0xd1,\n        // Ñ\n        0x7e: 0xf1,\n        // ñ\n        0x7f: 0x2588,\n        // █\n        0x0130: 0xae,\n        // ®\n        0x0131: 0xb0,\n        // °\n        0x0132: 0xbd,\n        // ½\n        0x0133: 0xbf,\n        // ¿\n        0x0134: 0x2122,\n        // ™\n        0x0135: 0xa2,\n        // ¢\n        0x0136: 0xa3,\n        // £\n        0x0137: 0x266a,\n        // ♪\n        0x0138: 0xe0,\n        // à\n        0x0139: 0xa0,\n        //\n        0x013a: 0xe8,\n        // è\n        0x013b: 0xe2,\n        // â\n        0x013c: 0xea,\n        // ê\n        0x013d: 0xee,\n        // î\n        0x013e: 0xf4,\n        // ô\n        0x013f: 0xfb,\n        // û\n        0x0220: 0xc1,\n        // Á\n        0x0221: 0xc9,\n        // É\n        0x0222: 0xd3,\n        // Ó\n        0x0223: 0xda,\n        // Ú\n        0x0224: 0xdc,\n        // Ü\n        0x0225: 0xfc,\n        // ü\n        0x0226: 0x2018,\n        // ‘\n        0x0227: 0xa1,\n        // ¡\n        0x0228: 0x2a,\n        // *\n        0x0229: 0x27,\n        // '\n        0x022a: 0x2014,\n        // —\n        0x022b: 0xa9,\n        // ©\n        0x022c: 0x2120,\n        // ℠\n        0x022d: 0x2022,\n        // •\n        0x022e: 0x201c,\n        // “\n        0x022f: 0x201d,\n        // ”\n        0x0230: 0xc0,\n        // À\n        0x0231: 0xc2,\n        // Â\n        0x0232: 0xc7,\n        // Ç\n        0x0233: 0xc8,\n        // È\n        0x0234: 0xca,\n        // Ê\n        0x0235: 0xcb,\n        // Ë\n        0x0236: 0xeb,\n        // ë\n        0x0237: 0xce,\n        // Î\n        0x0238: 0xcf,\n        // Ï\n        0x0239: 0xef,\n        // ï\n        0x023a: 0xd4,\n        // Ô\n        0x023b: 0xd9,\n        // Ù\n        0x023c: 0xf9,\n        // ù\n        0x023d: 0xdb,\n        // Û\n        0x023e: 0xab,\n        // «\n        0x023f: 0xbb,\n        // »\n        0x0320: 0xc3,\n        // Ã\n        0x0321: 0xe3,\n        // ã\n        0x0322: 0xcd,\n        // Í\n        0x0323: 0xcc,\n        // Ì\n        0x0324: 0xec,\n        // ì\n        0x0325: 0xd2,\n        // Ò\n        0x0326: 0xf2,\n        // ò\n        0x0327: 0xd5,\n        // Õ\n        0x0328: 0xf5,\n        // õ\n        0x0329: 0x7b,\n        // {\n        0x032a: 0x7d,\n        // }\n        0x032b: 0x5c,\n        // \\\n        0x032c: 0x5e,\n        // ^\n        0x032d: 0x5f,\n        // _\n        0x032e: 0x7c,\n        // |\n        0x032f: 0x7e,\n        // ~\n        0x0330: 0xc4,\n        // Ä\n        0x0331: 0xe4,\n        // ä\n        0x0332: 0xd6,\n        // Ö\n        0x0333: 0xf6,\n        // ö\n        0x0334: 0xdf,\n        // ß\n        0x0335: 0xa5,\n        // ¥\n        0x0336: 0xa4,\n        // ¤\n        0x0337: 0x2502,\n        // │\n        0x0338: 0xc5,\n        // Å\n        0x0339: 0xe5,\n        // å\n        0x033a: 0xd8,\n        // Ø\n        0x033b: 0xf8,\n        // ø\n        0x033c: 0x250c,\n        // ┌\n        0x033d: 0x2510,\n        // ┐\n        0x033e: 0x2514,\n        // └\n        0x033f: 0x2518 // ┘\n\n      };\n\n      var getCharFromCode = function getCharFromCode(code) {\n        if (code === null) {\n          return '';\n        }\n\n        code = CHARACTER_TRANSLATION[code] || code;\n        return String.fromCharCode(code);\n      }; // the index of the last row in a CEA-608 display buffer\n\n\n      var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of\n      // getting it through bit logic.\n\n      var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character\n      // cells. The \"bottom\" row is the last element in the outer array.\n\n      var createDisplayBuffer = function createDisplayBuffer() {\n        var result = [],\n            i = BOTTOM_ROW + 1;\n\n        while (i--) {\n          result.push('');\n        }\n\n        return result;\n      };\n\n      var Cea608Stream = function Cea608Stream(field, dataChannel) {\n        Cea608Stream.prototype.init.call(this);\n        this.field_ = field || 0;\n        this.dataChannel_ = dataChannel || 0;\n        this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);\n        this.setConstants();\n        this.reset();\n\n        this.push = function (packet) {\n          var data, swap, char0, char1, text; // remove the parity bits\n\n          data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice\n\n          if (data === this.lastControlCode_) {\n            this.lastControlCode_ = null;\n            return;\n          } // Store control codes\n\n\n          if ((data & 0xf000) === 0x1000) {\n            this.lastControlCode_ = data;\n          } else if (data !== this.PADDING_) {\n            this.lastControlCode_ = null;\n          }\n\n          char0 = data >>> 8;\n          char1 = data & 0xff;\n\n          if (data === this.PADDING_) {\n            return;\n          } else if (data === this.RESUME_CAPTION_LOADING_) {\n            this.mode_ = 'popOn';\n          } else if (data === this.END_OF_CAPTION_) {\n            // If an EOC is received while in paint-on mode, the displayed caption\n            // text should be swapped to non-displayed memory as if it was a pop-on\n            // caption. Because of that, we should explicitly switch back to pop-on\n            // mode\n            this.mode_ = 'popOn';\n            this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now\n\n            this.flushDisplayed(packet.pts); // flip memory\n\n            swap = this.displayed_;\n            this.displayed_ = this.nonDisplayed_;\n            this.nonDisplayed_ = swap; // start measuring the time to display the caption\n\n            this.startPts_ = packet.pts;\n          } else if (data === this.ROLL_UP_2_ROWS_) {\n            this.rollUpRows_ = 2;\n            this.setRollUp(packet.pts);\n          } else if (data === this.ROLL_UP_3_ROWS_) {\n            this.rollUpRows_ = 3;\n            this.setRollUp(packet.pts);\n          } else if (data === this.ROLL_UP_4_ROWS_) {\n            this.rollUpRows_ = 4;\n            this.setRollUp(packet.pts);\n          } else if (data === this.CARRIAGE_RETURN_) {\n            this.clearFormatting(packet.pts);\n            this.flushDisplayed(packet.pts);\n            this.shiftRowsUp_();\n            this.startPts_ = packet.pts;\n          } else if (data === this.BACKSPACE_) {\n            if (this.mode_ === 'popOn') {\n              this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n            } else {\n              this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n            }\n          } else if (data === this.ERASE_DISPLAYED_MEMORY_) {\n            this.flushDisplayed(packet.pts);\n            this.displayed_ = createDisplayBuffer();\n          } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {\n            this.nonDisplayed_ = createDisplayBuffer();\n          } else if (data === this.RESUME_DIRECT_CAPTIONING_) {\n            if (this.mode_ !== 'paintOn') {\n              // NOTE: This should be removed when proper caption positioning is\n              // implemented\n              this.flushDisplayed(packet.pts);\n              this.displayed_ = createDisplayBuffer();\n            }\n\n            this.mode_ = 'paintOn';\n            this.startPts_ = packet.pts; // Append special characters to caption text\n          } else if (this.isSpecialCharacter(char0, char1)) {\n            // Bitmask char0 so that we can apply character transformations\n            // regardless of field and data channel.\n            // Then byte-shift to the left and OR with char1 so we can pass the\n            // entire character code to `getCharFromCode`.\n            char0 = (char0 & 0x03) << 8;\n            text = getCharFromCode(char0 | char1);\n            this[this.mode_](packet.pts, text);\n            this.column_++; // Append extended characters to caption text\n          } else if (this.isExtCharacter(char0, char1)) {\n            // Extended characters always follow their \"non-extended\" equivalents.\n            // IE if a \"è\" is desired, you'll always receive \"eè\"; non-compliant\n            // decoders are supposed to drop the \"è\", while compliant decoders\n            // backspace the \"e\" and insert \"è\".\n            // Delete the previous character\n            if (this.mode_ === 'popOn') {\n              this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n            } else {\n              this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n            } // Bitmask char0 so that we can apply character transformations\n            // regardless of field and data channel.\n            // Then byte-shift to the left and OR with char1 so we can pass the\n            // entire character code to `getCharFromCode`.\n\n\n            char0 = (char0 & 0x03) << 8;\n            text = getCharFromCode(char0 | char1);\n            this[this.mode_](packet.pts, text);\n            this.column_++; // Process mid-row codes\n          } else if (this.isMidRowCode(char0, char1)) {\n            // Attributes are not additive, so clear all formatting\n            this.clearFormatting(packet.pts); // According to the standard, mid-row codes\n            // should be replaced with spaces, so add one now\n\n            this[this.mode_](packet.pts, ' ');\n            this.column_++;\n\n            if ((char1 & 0xe) === 0xe) {\n              this.addFormatting(packet.pts, ['i']);\n            }\n\n            if ((char1 & 0x1) === 0x1) {\n              this.addFormatting(packet.pts, ['u']);\n            } // Detect offset control codes and adjust cursor\n\n          } else if (this.isOffsetControlCode(char0, char1)) {\n            // Cursor position is set by indent PAC (see below) in 4-column\n            // increments, with an additional offset code of 1-3 to reach any\n            // of the 32 columns specified by CEA-608. So all we need to do\n            // here is increment the column cursor by the given offset.\n            this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)\n          } else if (this.isPAC(char0, char1)) {\n            // There's no logic for PAC -> row mapping, so we have to just\n            // find the row code in an array and use its index :(\n            var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode\n\n            if (this.mode_ === 'rollUp') {\n              // This implies that the base row is incorrectly set.\n              // As per the recommendation in CEA-608(Base Row Implementation), defer to the number\n              // of roll-up rows set.\n              if (row - this.rollUpRows_ + 1 < 0) {\n                row = this.rollUpRows_ - 1;\n              }\n\n              this.setRollUp(packet.pts, row);\n            }\n\n            if (row !== this.row_) {\n              // formatting is only persistent for current row\n              this.clearFormatting(packet.pts);\n              this.row_ = row;\n            } // All PACs can apply underline, so detect and apply\n            // (All odd-numbered second bytes set underline)\n\n\n            if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {\n              this.addFormatting(packet.pts, ['u']);\n            }\n\n            if ((data & 0x10) === 0x10) {\n              // We've got an indent level code. Each successive even number\n              // increments the column cursor by 4, so we can get the desired\n              // column position by bit-shifting to the right (to get n/2)\n              // and multiplying by 4.\n              this.column_ = ((data & 0xe) >> 1) * 4;\n            }\n\n            if (this.isColorPAC(char1)) {\n              // it's a color code, though we only support white, which\n              // can be either normal or italicized. white italics can be\n              // either 0x4e or 0x6e depending on the row, so we just\n              // bitwise-and with 0xe to see if italics should be turned on\n              if ((char1 & 0xe) === 0xe) {\n                this.addFormatting(packet.pts, ['i']);\n              }\n            } // We have a normal character in char0, and possibly one in char1\n\n          } else if (this.isNormalChar(char0)) {\n            if (char1 === 0x00) {\n              char1 = null;\n            }\n\n            text = getCharFromCode(char0);\n            text += getCharFromCode(char1);\n            this[this.mode_](packet.pts, text);\n            this.column_ += text.length;\n          } // finish data processing\n\n        };\n      };\n\n      Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the\n      // display buffer\n\n      Cea608Stream.prototype.flushDisplayed = function (pts) {\n        var content = this.displayed_ // remove spaces from the start and end of the string\n        .map(function (row) {\n          try {\n            return row.trim();\n          } catch (e) {\n            // Ordinarily, this shouldn't happen. However, caption\n            // parsing errors should not throw exceptions and\n            // break playback.\n            // eslint-disable-next-line no-console\n            console.error('Skipping malformed caption.');\n            return '';\n          }\n        }) // combine all text rows to display in one cue\n        .join('\\n') // and remove blank rows from the start and end, but not the middle\n        .replace(/^\\n+|\\n+$/g, '');\n\n        if (content.length) {\n          this.trigger('data', {\n            startPts: this.startPts_,\n            endPts: pts,\n            text: content,\n            stream: this.name_\n          });\n        }\n      };\n      /**\n       * Zero out the data, used for startup and on seek\n       */\n\n\n      Cea608Stream.prototype.reset = function () {\n        this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will\n        // actually display captions. If a caption is shifted to a row\n        // with a lower index than this, it is cleared from the display\n        // buffer\n\n        this.topRow_ = 0;\n        this.startPts_ = 0;\n        this.displayed_ = createDisplayBuffer();\n        this.nonDisplayed_ = createDisplayBuffer();\n        this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing\n\n        this.column_ = 0;\n        this.row_ = BOTTOM_ROW;\n        this.rollUpRows_ = 2; // This variable holds currently-applied formatting\n\n        this.formatting_ = [];\n      };\n      /**\n       * Sets up control code and related constants for this instance\n       */\n\n\n      Cea608Stream.prototype.setConstants = function () {\n        // The following attributes have these uses:\n        // ext_ :    char0 for mid-row codes, and the base for extended\n        //           chars (ext_+0, ext_+1, and ext_+2 are char0s for\n        //           extended codes)\n        // control_: char0 for control codes, except byte-shifted to the\n        //           left so that we can do this.control_ | CONTROL_CODE\n        // offset_:  char0 for tab offset codes\n        //\n        // It's also worth noting that control codes, and _only_ control codes,\n        // differ between field 1 and field2. Field 2 control codes are always\n        // their field 1 value plus 1. That's why there's the \"| field\" on the\n        // control value.\n        if (this.dataChannel_ === 0) {\n          this.BASE_ = 0x10;\n          this.EXT_ = 0x11;\n          this.CONTROL_ = (0x14 | this.field_) << 8;\n          this.OFFSET_ = 0x17;\n        } else if (this.dataChannel_ === 1) {\n          this.BASE_ = 0x18;\n          this.EXT_ = 0x19;\n          this.CONTROL_ = (0x1c | this.field_) << 8;\n          this.OFFSET_ = 0x1f;\n        } // Constants for the LSByte command codes recognized by Cea608Stream. This\n        // list is not exhaustive. For a more comprehensive listing and semantics see\n        // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf\n        // Padding\n\n\n        this.PADDING_ = 0x0000; // Pop-on Mode\n\n        this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;\n        this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode\n\n        this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;\n        this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;\n        this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;\n        this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode\n\n        this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure\n\n        this.BACKSPACE_ = this.CONTROL_ | 0x21;\n        this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;\n        this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;\n      };\n      /**\n       * Detects if the 2-byte packet data is a special character\n       *\n       * Special characters have a second byte in the range 0x30 to 0x3f,\n       * with the first byte being 0x11 (for data channel 1) or 0x19 (for\n       * data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an special character\n       */\n\n\n      Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {\n        return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;\n      };\n      /**\n       * Detects if the 2-byte packet data is an extended character\n       *\n       * Extended characters have a second byte in the range 0x20 to 0x3f,\n       * with the first byte being 0x12 or 0x13 (for data channel 1) or\n       * 0x1a or 0x1b (for data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an extended character\n       */\n\n\n      Cea608Stream.prototype.isExtCharacter = function (char0, char1) {\n        return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;\n      };\n      /**\n       * Detects if the 2-byte packet is a mid-row code\n       *\n       * Mid-row codes have a second byte in the range 0x20 to 0x2f, with\n       * the first byte being 0x11 (for data channel 1) or 0x19 (for data\n       * channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are a mid-row code\n       */\n\n\n      Cea608Stream.prototype.isMidRowCode = function (char0, char1) {\n        return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;\n      };\n      /**\n       * Detects if the 2-byte packet is an offset control code\n       *\n       * Offset control codes have a second byte in the range 0x21 to 0x23,\n       * with the first byte being 0x17 (for data channel 1) or 0x1f (for\n       * data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an offset control code\n       */\n\n\n      Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {\n        return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;\n      };\n      /**\n       * Detects if the 2-byte packet is a Preamble Address Code\n       *\n       * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)\n       * or 0x18 to 0x1f (for data channel 2), with the second byte in the\n       * range 0x40 to 0x7f.\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are a PAC\n       */\n\n\n      Cea608Stream.prototype.isPAC = function (char0, char1) {\n        return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;\n      };\n      /**\n       * Detects if a packet's second byte is in the range of a PAC color code\n       *\n       * PAC color codes have the second byte be in the range 0x40 to 0x4f, or\n       * 0x60 to 0x6f.\n       *\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the byte is a color PAC\n       */\n\n\n      Cea608Stream.prototype.isColorPAC = function (char1) {\n        return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;\n      };\n      /**\n       * Detects if a single byte is in the range of a normal character\n       *\n       * Normal text bytes are in the range 0x20 to 0x7f.\n       *\n       * @param  {Integer} char  The byte\n       * @return {Boolean}       Whether the byte is a normal character\n       */\n\n\n      Cea608Stream.prototype.isNormalChar = function (_char) {\n        return _char >= 0x20 && _char <= 0x7f;\n      };\n      /**\n       * Configures roll-up\n       *\n       * @param  {Integer} pts         Current PTS\n       * @param  {Integer} newBaseRow  Used by PACs to slide the current window to\n       *                               a new position\n       */\n\n\n      Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {\n        // Reset the base row to the bottom row when switching modes\n        if (this.mode_ !== 'rollUp') {\n          this.row_ = BOTTOM_ROW;\n          this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up\n\n          this.flushDisplayed(pts);\n          this.nonDisplayed_ = createDisplayBuffer();\n          this.displayed_ = createDisplayBuffer();\n        }\n\n        if (newBaseRow !== undefined && newBaseRow !== this.row_) {\n          // move currently displayed captions (up or down) to the new base row\n          for (var i = 0; i < this.rollUpRows_; i++) {\n            this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];\n            this.displayed_[this.row_ - i] = '';\n          }\n        }\n\n        if (newBaseRow === undefined) {\n          newBaseRow = this.row_;\n        }\n\n        this.topRow_ = newBaseRow - this.rollUpRows_ + 1;\n      }; // Adds the opening HTML tag for the passed character to the caption text,\n      // and keeps track of it for later closing\n\n\n      Cea608Stream.prototype.addFormatting = function (pts, format) {\n        this.formatting_ = this.formatting_.concat(format);\n        var text = format.reduce(function (text, format) {\n          return text + '<' + format + '>';\n        }, '');\n        this[this.mode_](pts, text);\n      }; // Adds HTML closing tags for current formatting to caption text and\n      // clears remembered formatting\n\n\n      Cea608Stream.prototype.clearFormatting = function (pts) {\n        if (!this.formatting_.length) {\n          return;\n        }\n\n        var text = this.formatting_.reverse().reduce(function (text, format) {\n          return text + '</' + format + '>';\n        }, '');\n        this.formatting_ = [];\n        this[this.mode_](pts, text);\n      }; // Mode Implementations\n\n\n      Cea608Stream.prototype.popOn = function (pts, text) {\n        var baseRow = this.nonDisplayed_[this.row_]; // buffer characters\n\n        baseRow += text;\n        this.nonDisplayed_[this.row_] = baseRow;\n      };\n\n      Cea608Stream.prototype.rollUp = function (pts, text) {\n        var baseRow = this.displayed_[this.row_];\n        baseRow += text;\n        this.displayed_[this.row_] = baseRow;\n      };\n\n      Cea608Stream.prototype.shiftRowsUp_ = function () {\n        var i; // clear out inactive rows\n\n        for (i = 0; i < this.topRow_; i++) {\n          this.displayed_[i] = '';\n        }\n\n        for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {\n          this.displayed_[i] = '';\n        } // shift displayed rows up\n\n\n        for (i = this.topRow_; i < this.row_; i++) {\n          this.displayed_[i] = this.displayed_[i + 1];\n        } // clear out the bottom row\n\n\n        this.displayed_[this.row_] = '';\n      };\n\n      Cea608Stream.prototype.paintOn = function (pts, text) {\n        var baseRow = this.displayed_[this.row_];\n        baseRow += text;\n        this.displayed_[this.row_] = baseRow;\n      }; // exports\n\n\n      var captionStream = {\n        CaptionStream: CaptionStream,\n        Cea608Stream: Cea608Stream\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var streamTypes = {\n        H264_STREAM_TYPE: 0x1B,\n        ADTS_STREAM_TYPE: 0x0F,\n        METADATA_STREAM_TYPE: 0x15\n      };\n      var MAX_TS = 8589934592;\n      var RO_THRESH = 4294967296;\n      var TYPE_SHARED = 'shared';\n\n      var handleRollover = function handleRollover(value, reference) {\n        var direction = 1;\n\n        if (value > reference) {\n          // If the current timestamp value is greater than our reference timestamp and we detect a\n          // timestamp rollover, this means the roll over is happening in the opposite direction.\n          // Example scenario: Enter a long stream/video just after a rollover occurred. The reference\n          // point will be set to a small number, e.g. 1. The user then seeks backwards over the\n          // rollover point. In loading this segment, the timestamp values will be very large,\n          // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust\n          // the time stamp to be `value - 2^33`.\n          direction = -1;\n        } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will\n        // cause an incorrect adjustment.\n\n\n        while (Math.abs(reference - value) > RO_THRESH) {\n          value += direction * MAX_TS;\n        }\n\n        return value;\n      };\n\n      var TimestampRolloverStream = function TimestampRolloverStream(type) {\n        var lastDTS, referenceDTS;\n        TimestampRolloverStream.prototype.init.call(this); // The \"shared\" type is used in cases where a stream will contain muxed\n        // video and audio. We could use `undefined` here, but having a string\n        // makes debugging a little clearer.\n\n        this.type_ = type || TYPE_SHARED;\n\n        this.push = function (data) {\n          // Any \"shared\" rollover streams will accept _all_ data. Otherwise,\n          // streams will only accept data that matches their type.\n          if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {\n            return;\n          }\n\n          if (referenceDTS === undefined) {\n            referenceDTS = data.dts;\n          }\n\n          data.dts = handleRollover(data.dts, referenceDTS);\n          data.pts = handleRollover(data.pts, referenceDTS);\n          lastDTS = data.dts;\n          this.trigger('data', data);\n        };\n\n        this.flush = function () {\n          referenceDTS = lastDTS;\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n\n        this.discontinuity = function () {\n          referenceDTS = void 0;\n          lastDTS = void 0;\n        };\n\n        this.reset = function () {\n          this.discontinuity();\n          this.trigger('reset');\n        };\n      };\n\n      TimestampRolloverStream.prototype = new stream();\n      var timestampRolloverStream = {\n        TimestampRolloverStream: TimestampRolloverStream,\n        handleRollover: handleRollover\n      };\n\n      var percentEncode = function percentEncode(bytes, start, end) {\n        var i,\n            result = '';\n\n        for (i = start; i < end; i++) {\n          result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n        }\n\n        return result;\n      },\n          // return the string representation of the specified byte range,\n      // interpreted as UTf-8.\n      parseUtf8 = function parseUtf8(bytes, start, end) {\n        return decodeURIComponent(percentEncode(bytes, start, end));\n      },\n          // return the string representation of the specified byte range,\n      // interpreted as ISO-8859-1.\n      parseIso88591 = function parseIso88591(bytes, start, end) {\n        return unescape(percentEncode(bytes, start, end)); // jshint ignore:line\n      },\n          parseSyncSafeInteger = function parseSyncSafeInteger(data) {\n        return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n      },\n          tagParsers = {\n        TXXX: function TXXX(tag) {\n          var i;\n\n          if (tag.data[0] !== 3) {\n            // ignore frames with unrecognized character encodings\n            return;\n          }\n\n          for (i = 1; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the text fields\n              tag.description = parseUtf8(tag.data, 1, i); // do not include the null terminator in the tag value\n\n              tag.value = parseUtf8(tag.data, i + 1, tag.data.length).replace(/\\0*$/, '');\n              break;\n            }\n          }\n\n          tag.data = tag.value;\n        },\n        WXXX: function WXXX(tag) {\n          var i;\n\n          if (tag.data[0] !== 3) {\n            // ignore frames with unrecognized character encodings\n            return;\n          }\n\n          for (i = 1; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the description and URL fields\n              tag.description = parseUtf8(tag.data, 1, i);\n              tag.url = parseUtf8(tag.data, i + 1, tag.data.length);\n              break;\n            }\n          }\n        },\n        PRIV: function PRIV(tag) {\n          var i;\n\n          for (i = 0; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the description and URL fields\n              tag.owner = parseIso88591(tag.data, 0, i);\n              break;\n            }\n          }\n\n          tag.privateData = tag.data.subarray(i + 1);\n          tag.data = tag.privateData;\n        }\n      },\n          _MetadataStream;\n\n      _MetadataStream = function MetadataStream(options) {\n        var settings = {\n          debug: !!(options && options.debug),\n          // the bytes of the program-level descriptor field in MP2T\n          // see ISO/IEC 13818-1:2013 (E), section 2.6 \"Program and\n          // program element descriptors\"\n          descriptor: options && options.descriptor\n        },\n            // the total size in bytes of the ID3 tag being parsed\n        tagSize = 0,\n            // tag data that is not complete enough to be parsed\n        buffer = [],\n            // the total number of bytes currently in the buffer\n        bufferSize = 0,\n            i;\n\n        _MetadataStream.prototype.init.call(this); // calculate the text track in-band metadata track dispatch type\n        // https://html.spec.whatwg.org/multipage/embedded-content.html#steps-to-expose-a-media-resource-specific-text-track\n\n\n        this.dispatchType = streamTypes.METADATA_STREAM_TYPE.toString(16);\n\n        if (settings.descriptor) {\n          for (i = 0; i < settings.descriptor.length; i++) {\n            this.dispatchType += ('00' + settings.descriptor[i].toString(16)).slice(-2);\n          }\n        }\n\n        this.push = function (chunk) {\n          var tag, frameStart, frameSize, frame, i, frameHeader;\n\n          if (chunk.type !== 'timed-metadata') {\n            return;\n          } // if data_alignment_indicator is set in the PES header,\n          // we must have the start of a new ID3 tag. Assume anything\n          // remaining in the buffer was malformed and throw it out\n\n\n          if (chunk.dataAlignmentIndicator) {\n            bufferSize = 0;\n            buffer.length = 0;\n          } // ignore events that don't look like ID3 data\n\n\n          if (buffer.length === 0 && (chunk.data.length < 10 || chunk.data[0] !== 'I'.charCodeAt(0) || chunk.data[1] !== 'D'.charCodeAt(0) || chunk.data[2] !== '3'.charCodeAt(0))) {\n            if (settings.debug) {\n              // eslint-disable-next-line no-console\n              console.log('Skipping unrecognized metadata packet');\n            }\n\n            return;\n          } // add this chunk to the data we've collected so far\n\n\n          buffer.push(chunk);\n          bufferSize += chunk.data.byteLength; // grab the size of the entire frame from the ID3 header\n\n          if (buffer.length === 1) {\n            // the frame size is transmitted as a 28-bit integer in the\n            // last four bytes of the ID3 header.\n            // The most significant bit of each byte is dropped and the\n            // results concatenated to recover the actual value.\n            tagSize = parseSyncSafeInteger(chunk.data.subarray(6, 10)); // ID3 reports the tag size excluding the header but it's more\n            // convenient for our comparisons to include it\n\n            tagSize += 10;\n          } // if the entire frame has not arrived, wait for more data\n\n\n          if (bufferSize < tagSize) {\n            return;\n          } // collect the entire frame so it can be parsed\n\n\n          tag = {\n            data: new Uint8Array(tagSize),\n            frames: [],\n            pts: buffer[0].pts,\n            dts: buffer[0].dts\n          };\n\n          for (i = 0; i < tagSize;) {\n            tag.data.set(buffer[0].data.subarray(0, tagSize - i), i);\n            i += buffer[0].data.byteLength;\n            bufferSize -= buffer[0].data.byteLength;\n            buffer.shift();\n          } // find the start of the first frame and the end of the tag\n\n\n          frameStart = 10;\n\n          if (tag.data[5] & 0x40) {\n            // advance the frame start past the extended header\n            frameStart += 4; // header size field\n\n            frameStart += parseSyncSafeInteger(tag.data.subarray(10, 14)); // clip any padding off the end\n\n            tagSize -= parseSyncSafeInteger(tag.data.subarray(16, 20));\n          } // parse one or more ID3 frames\n          // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n          do {\n            // determine the number of bytes in this frame\n            frameSize = parseSyncSafeInteger(tag.data.subarray(frameStart + 4, frameStart + 8));\n\n            if (frameSize < 1) {\n              // eslint-disable-next-line no-console\n              return console.log('Malformed ID3 frame encountered. Skipping metadata parsing.');\n            }\n\n            frameHeader = String.fromCharCode(tag.data[frameStart], tag.data[frameStart + 1], tag.data[frameStart + 2], tag.data[frameStart + 3]);\n            frame = {\n              id: frameHeader,\n              data: tag.data.subarray(frameStart + 10, frameStart + frameSize + 10)\n            };\n            frame.key = frame.id;\n\n            if (tagParsers[frame.id]) {\n              tagParsers[frame.id](frame); // handle the special PRIV frame used to indicate the start\n              // time for raw AAC data\n\n              if (frame.owner === 'com.apple.streaming.transportStreamTimestamp') {\n                var d = frame.data,\n                    size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n                size *= 4;\n                size += d[7] & 0x03;\n                frame.timeStamp = size; // in raw AAC, all subsequent data will be timestamped based\n                // on the value of this frame\n                // we couldn't have known the appropriate pts and dts before\n                // parsing this ID3 tag so set those values now\n\n                if (tag.pts === undefined && tag.dts === undefined) {\n                  tag.pts = frame.timeStamp;\n                  tag.dts = frame.timeStamp;\n                }\n\n                this.trigger('timestamp', frame);\n              }\n            }\n\n            tag.frames.push(frame);\n            frameStart += 10; // advance past the frame header\n\n            frameStart += frameSize; // advance past the frame body\n          } while (frameStart < tagSize);\n\n          this.trigger('data', tag);\n        };\n      };\n\n      _MetadataStream.prototype = new stream();\n      var metadataStream = _MetadataStream;\n      var TimestampRolloverStream$1 = timestampRolloverStream.TimestampRolloverStream; // object types\n\n      var _TransportPacketStream, _TransportParseStream, _ElementaryStream; // constants\n\n\n      var MP2T_PACKET_LENGTH = 188,\n          // bytes\n      SYNC_BYTE = 0x47;\n      /**\n       * Splits an incoming stream of binary data into MPEG-2 Transport\n       * Stream packets.\n       */\n\n      _TransportPacketStream = function TransportPacketStream() {\n        var buffer = new Uint8Array(MP2T_PACKET_LENGTH),\n            bytesInBuffer = 0;\n\n        _TransportPacketStream.prototype.init.call(this); // Deliver new bytes to the stream.\n\n        /**\n         * Split a stream of data into M2TS packets\n        **/\n\n\n        this.push = function (bytes) {\n          var startIndex = 0,\n              endIndex = MP2T_PACKET_LENGTH,\n              everything; // If there are bytes remaining from the last segment, prepend them to the\n          // bytes that were pushed in\n\n          if (bytesInBuffer) {\n            everything = new Uint8Array(bytes.byteLength + bytesInBuffer);\n            everything.set(buffer.subarray(0, bytesInBuffer));\n            everything.set(bytes, bytesInBuffer);\n            bytesInBuffer = 0;\n          } else {\n            everything = bytes;\n          } // While we have enough data for a packet\n\n\n          while (endIndex < everything.byteLength) {\n            // Look for a pair of start and end sync bytes in the data..\n            if (everything[startIndex] === SYNC_BYTE && everything[endIndex] === SYNC_BYTE) {\n              // We found a packet so emit it and jump one whole packet forward in\n              // the stream\n              this.trigger('data', everything.subarray(startIndex, endIndex));\n              startIndex += MP2T_PACKET_LENGTH;\n              endIndex += MP2T_PACKET_LENGTH;\n              continue;\n            } // If we get here, we have somehow become de-synchronized and we need to step\n            // forward one byte at a time until we find a pair of sync bytes that denote\n            // a packet\n\n\n            startIndex++;\n            endIndex++;\n          } // If there was some data left over at the end of the segment that couldn't\n          // possibly be a whole packet, keep it because it might be the start of a packet\n          // that continues in the next segment\n\n\n          if (startIndex < everything.byteLength) {\n            buffer.set(everything.subarray(startIndex), 0);\n            bytesInBuffer = everything.byteLength - startIndex;\n          }\n        };\n        /**\n         * Passes identified M2TS packets to the TransportParseStream to be parsed\n        **/\n\n\n        this.flush = function () {\n          // If the buffer contains a whole packet when we are being flushed, emit it\n          // and empty the buffer. Otherwise hold onto the data because it may be\n          // important for decoding the next segment\n          if (bytesInBuffer === MP2T_PACKET_LENGTH && buffer[0] === SYNC_BYTE) {\n            this.trigger('data', buffer);\n            bytesInBuffer = 0;\n          }\n\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n\n        this.reset = function () {\n          bytesInBuffer = 0;\n          this.trigger('reset');\n        };\n      };\n\n      _TransportPacketStream.prototype = new stream();\n      /**\n       * Accepts an MP2T TransportPacketStream and emits data events with parsed\n       * forms of the individual transport stream packets.\n       */\n\n      _TransportParseStream = function TransportParseStream() {\n        var parsePsi, parsePat, parsePmt, self;\n\n        _TransportParseStream.prototype.init.call(this);\n\n        self = this;\n        this.packetsWaitingForPmt = [];\n        this.programMapTable = undefined;\n\n        parsePsi = function parsePsi(payload, psi) {\n          var offset = 0; // PSI packets may be split into multiple sections and those\n          // sections may be split into multiple packets. If a PSI\n          // section starts in this packet, the payload_unit_start_indicator\n          // will be true and the first byte of the payload will indicate\n          // the offset from the current position to the start of the\n          // section.\n\n          if (psi.payloadUnitStartIndicator) {\n            offset += payload[offset] + 1;\n          }\n\n          if (psi.type === 'pat') {\n            parsePat(payload.subarray(offset), psi);\n          } else {\n            parsePmt(payload.subarray(offset), psi);\n          }\n        };\n\n        parsePat = function parsePat(payload, pat) {\n          pat.section_number = payload[7]; // eslint-disable-line camelcase\n\n          pat.last_section_number = payload[8]; // eslint-disable-line camelcase\n          // skip the PSI header and parse the first PMT entry\n\n          self.pmtPid = (payload[10] & 0x1F) << 8 | payload[11];\n          pat.pmtPid = self.pmtPid;\n        };\n        /**\n         * Parse out the relevant fields of a Program Map Table (PMT).\n         * @param payload {Uint8Array} the PMT-specific portion of an MP2T\n         * packet. The first byte in this array should be the table_id\n         * field.\n         * @param pmt {object} the object that should be decorated with\n         * fields parsed from the PMT.\n         */\n\n\n        parsePmt = function parsePmt(payload, pmt) {\n          var sectionLength, tableEnd, programInfoLength, offset; // PMTs can be sent ahead of the time when they should actually\n          // take effect. We don't believe this should ever be the case\n          // for HLS but we'll ignore \"forward\" PMT declarations if we see\n          // them. Future PMT declarations have the current_next_indicator\n          // set to zero.\n\n          if (!(payload[5] & 0x01)) {\n            return;\n          } // overwrite any existing program map table\n\n\n          self.programMapTable = {\n            video: null,\n            audio: null,\n            'timed-metadata': {}\n          }; // the mapping table ends at the end of the current section\n\n          sectionLength = (payload[1] & 0x0f) << 8 | payload[2];\n          tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how\n          // long the program info descriptors are\n\n          programInfoLength = (payload[10] & 0x0f) << 8 | payload[11]; // advance the offset to the first entry in the mapping table\n\n          offset = 12 + programInfoLength;\n\n          while (offset < tableEnd) {\n            var streamType = payload[offset];\n            var pid = (payload[offset + 1] & 0x1F) << 8 | payload[offset + 2]; // only map a single elementary_pid for audio and video stream types\n            // TODO: should this be done for metadata too? for now maintain behavior of\n            //       multiple metadata streams\n\n            if (streamType === streamTypes.H264_STREAM_TYPE && self.programMapTable.video === null) {\n              self.programMapTable.video = pid;\n            } else if (streamType === streamTypes.ADTS_STREAM_TYPE && self.programMapTable.audio === null) {\n              self.programMapTable.audio = pid;\n            } else if (streamType === streamTypes.METADATA_STREAM_TYPE) {\n              // map pid to stream type for metadata streams\n              self.programMapTable['timed-metadata'][pid] = streamType;\n            } // move to the next table entry\n            // skip past the elementary stream descriptors, if present\n\n\n            offset += ((payload[offset + 3] & 0x0F) << 8 | payload[offset + 4]) + 5;\n          } // record the map on the packet as well\n\n\n          pmt.programMapTable = self.programMapTable;\n        };\n        /**\n         * Deliver a new MP2T packet to the next stream in the pipeline.\n         */\n\n\n        this.push = function (packet) {\n          var result = {},\n              offset = 4;\n          result.payloadUnitStartIndicator = !!(packet[1] & 0x40); // pid is a 13-bit field starting at the last bit of packet[1]\n\n          result.pid = packet[1] & 0x1f;\n          result.pid <<= 8;\n          result.pid |= packet[2]; // if an adaption field is present, its length is specified by the\n          // fifth byte of the TS packet header. The adaptation field is\n          // used to add stuffing to PES packets that don't fill a complete\n          // TS packet, and to specify some forms of timing and control data\n          // that we do not currently use.\n\n          if ((packet[3] & 0x30) >>> 4 > 0x01) {\n            offset += packet[offset] + 1;\n          } // parse the rest of the packet based on the type\n\n\n          if (result.pid === 0) {\n            result.type = 'pat';\n            parsePsi(packet.subarray(offset), result);\n            this.trigger('data', result);\n          } else if (result.pid === this.pmtPid) {\n            result.type = 'pmt';\n            parsePsi(packet.subarray(offset), result);\n            this.trigger('data', result); // if there are any packets waiting for a PMT to be found, process them now\n\n            while (this.packetsWaitingForPmt.length) {\n              this.processPes_.apply(this, this.packetsWaitingForPmt.shift());\n            }\n          } else if (this.programMapTable === undefined) {\n            // When we have not seen a PMT yet, defer further processing of\n            // PES packets until one has been parsed\n            this.packetsWaitingForPmt.push([packet, offset, result]);\n          } else {\n            this.processPes_(packet, offset, result);\n          }\n        };\n\n        this.processPes_ = function (packet, offset, result) {\n          // set the appropriate stream type\n          if (result.pid === this.programMapTable.video) {\n            result.streamType = streamTypes.H264_STREAM_TYPE;\n          } else if (result.pid === this.programMapTable.audio) {\n            result.streamType = streamTypes.ADTS_STREAM_TYPE;\n          } else {\n            // if not video or audio, it is timed-metadata or unknown\n            // if unknown, streamType will be undefined\n            result.streamType = this.programMapTable['timed-metadata'][result.pid];\n          }\n\n          result.type = 'pes';\n          result.data = packet.subarray(offset);\n          this.trigger('data', result);\n        };\n      };\n\n      _TransportParseStream.prototype = new stream();\n      _TransportParseStream.STREAM_TYPES = {\n        h264: 0x1b,\n        adts: 0x0f\n      };\n      /**\n       * Reconsistutes program elementary stream (PES) packets from parsed\n       * transport stream packets. That is, if you pipe an\n       * mp2t.TransportParseStream into a mp2t.ElementaryStream, the output\n       * events will be events which capture the bytes for individual PES\n       * packets plus relevant metadata that has been extracted from the\n       * container.\n       */\n\n      _ElementaryStream = function ElementaryStream() {\n        var self = this,\n            // PES packet fragments\n        video = {\n          data: [],\n          size: 0\n        },\n            audio = {\n          data: [],\n          size: 0\n        },\n            timedMetadata = {\n          data: [],\n          size: 0\n        },\n            programMapTable,\n            parsePes = function parsePes(payload, pes) {\n          var ptsDtsFlags; // get the packet length, this will be 0 for video\n\n          pes.packetLength = 6 + (payload[4] << 8 | payload[5]); // find out if this packets starts a new keyframe\n\n          pes.dataAlignmentIndicator = (payload[6] & 0x04) !== 0; // PES packets may be annotated with a PTS value, or a PTS value\n          // and a DTS value. Determine what combination of values is\n          // available to work with.\n\n          ptsDtsFlags = payload[7]; // PTS and DTS are normally stored as a 33-bit number.  Javascript\n          // performs all bitwise operations on 32-bit integers but javascript\n          // supports a much greater range (52-bits) of integer using standard\n          // mathematical operations.\n          // We construct a 31-bit value using bitwise operators over the 31\n          // most significant bits and then multiply by 4 (equal to a left-shift\n          // of 2) before we add the final 2 least significant bits of the\n          // timestamp (equal to an OR.)\n\n          if (ptsDtsFlags & 0xC0) {\n            // the PTS and DTS are not written out directly. For information\n            // on how they are encoded, see\n            // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n            pes.pts = (payload[9] & 0x0E) << 27 | (payload[10] & 0xFF) << 20 | (payload[11] & 0xFE) << 12 | (payload[12] & 0xFF) << 5 | (payload[13] & 0xFE) >>> 3;\n            pes.pts *= 4; // Left shift by 2\n\n            pes.pts += (payload[13] & 0x06) >>> 1; // OR by the two LSBs\n\n            pes.dts = pes.pts;\n\n            if (ptsDtsFlags & 0x40) {\n              pes.dts = (payload[14] & 0x0E) << 27 | (payload[15] & 0xFF) << 20 | (payload[16] & 0xFE) << 12 | (payload[17] & 0xFF) << 5 | (payload[18] & 0xFE) >>> 3;\n              pes.dts *= 4; // Left shift by 2\n\n              pes.dts += (payload[18] & 0x06) >>> 1; // OR by the two LSBs\n            }\n          } // the data section starts immediately after the PES header.\n          // pes_header_data_length specifies the number of header bytes\n          // that follow the last byte of the field.\n\n\n          pes.data = payload.subarray(9 + payload[8]);\n        },\n\n        /**\n          * Pass completely parsed PES packets to the next stream in the pipeline\n         **/\n        flushStream = function flushStream(stream$$1, type, forceFlush) {\n          var packetData = new Uint8Array(stream$$1.size),\n              event = {\n            type: type\n          },\n              i = 0,\n              offset = 0,\n              packetFlushable = false,\n              fragment; // do nothing if there is not enough buffered data for a complete\n          // PES header\n\n          if (!stream$$1.data.length || stream$$1.size < 9) {\n            return;\n          }\n\n          event.trackId = stream$$1.data[0].pid; // reassemble the packet\n\n          for (i = 0; i < stream$$1.data.length; i++) {\n            fragment = stream$$1.data[i];\n            packetData.set(fragment.data, offset);\n            offset += fragment.data.byteLength;\n          } // parse assembled packet's PES header\n\n\n          parsePes(packetData, event); // non-video PES packets MUST have a non-zero PES_packet_length\n          // check that there is enough stream data to fill the packet\n\n          packetFlushable = type === 'video' || event.packetLength <= stream$$1.size; // flush pending packets if the conditions are right\n\n          if (forceFlush || packetFlushable) {\n            stream$$1.size = 0;\n            stream$$1.data.length = 0;\n          } // only emit packets that are complete. this is to avoid assembling\n          // incomplete PES packets due to poor segmentation\n\n\n          if (packetFlushable) {\n            self.trigger('data', event);\n          }\n        };\n\n        _ElementaryStream.prototype.init.call(this);\n        /**\n         * Identifies M2TS packet types and parses PES packets using metadata\n         * parsed from the PMT\n         **/\n\n\n        this.push = function (data) {\n          ({\n            pat: function pat() {// we have to wait for the PMT to arrive as well before we\n              // have any meaningful metadata\n            },\n            pes: function pes() {\n              var stream$$1, streamType;\n\n              switch (data.streamType) {\n                case streamTypes.H264_STREAM_TYPE:\n                case streamTypes.H264_STREAM_TYPE:\n                  stream$$1 = video;\n                  streamType = 'video';\n                  break;\n\n                case streamTypes.ADTS_STREAM_TYPE:\n                  stream$$1 = audio;\n                  streamType = 'audio';\n                  break;\n\n                case streamTypes.METADATA_STREAM_TYPE:\n                  stream$$1 = timedMetadata;\n                  streamType = 'timed-metadata';\n                  break;\n\n                default:\n                  // ignore unknown stream types\n                  return;\n              } // if a new packet is starting, we can flush the completed\n              // packet\n\n\n              if (data.payloadUnitStartIndicator) {\n                flushStream(stream$$1, streamType, true);\n              } // buffer this fragment until we are sure we've received the\n              // complete payload\n\n\n              stream$$1.data.push(data);\n              stream$$1.size += data.data.byteLength;\n            },\n            pmt: function pmt() {\n              var event = {\n                type: 'metadata',\n                tracks: []\n              };\n              programMapTable = data.programMapTable; // translate audio and video streams to tracks\n\n              if (programMapTable.video !== null) {\n                event.tracks.push({\n                  timelineStartInfo: {\n                    baseMediaDecodeTime: 0\n                  },\n                  id: +programMapTable.video,\n                  codec: 'avc',\n                  type: 'video'\n                });\n              }\n\n              if (programMapTable.audio !== null) {\n                event.tracks.push({\n                  timelineStartInfo: {\n                    baseMediaDecodeTime: 0\n                  },\n                  id: +programMapTable.audio,\n                  codec: 'adts',\n                  type: 'audio'\n                });\n              }\n\n              self.trigger('data', event);\n            }\n          })[data.type]();\n        };\n\n        this.reset = function () {\n          video.size = 0;\n          video.data.length = 0;\n          audio.size = 0;\n          audio.data.length = 0;\n          this.trigger('reset');\n        };\n        /**\n         * Flush any remaining input. Video PES packets may be of variable\n         * length. Normally, the start of a new video packet can trigger the\n         * finalization of the previous packet. That is not possible if no\n         * more video is forthcoming, however. In that case, some other\n         * mechanism (like the end of the file) has to be employed. When it is\n         * clear that no additional data is forthcoming, calling this method\n         * will flush the buffered packets.\n         */\n\n\n        this.flushStreams_ = function () {\n          // !!THIS ORDER IS IMPORTANT!!\n          // video first then audio\n          flushStream(video, 'video');\n          flushStream(audio, 'audio');\n          flushStream(timedMetadata, 'timed-metadata');\n        };\n\n        this.flush = function () {\n          this.flushStreams_();\n          this.trigger('done');\n        };\n      };\n\n      _ElementaryStream.prototype = new stream();\n      var m2ts = {\n        PAT_PID: 0x0000,\n        MP2T_PACKET_LENGTH: MP2T_PACKET_LENGTH,\n        TransportPacketStream: _TransportPacketStream,\n        TransportParseStream: _TransportParseStream,\n        ElementaryStream: _ElementaryStream,\n        TimestampRolloverStream: TimestampRolloverStream$1,\n        CaptionStream: captionStream.CaptionStream,\n        Cea608Stream: captionStream.Cea608Stream,\n        MetadataStream: metadataStream\n      };\n\n      for (var type in streamTypes) {\n        if (streamTypes.hasOwnProperty(type)) {\n          m2ts[type] = streamTypes[type];\n        }\n      }\n\n      var m2ts_1 = m2ts;\n      var ONE_SECOND_IN_TS$2 = clock.ONE_SECOND_IN_TS;\n\n      var _AdtsStream;\n\n      var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n      /*\n       * Accepts a ElementaryStream and emits data events with parsed\n       * AAC Audio Frames of the individual packets. Input audio in ADTS\n       * format is unpacked and re-emitted as AAC frames.\n       *\n       * @see http://wiki.multimedia.cx/index.php?title=ADTS\n       * @see http://wiki.multimedia.cx/?title=Understanding_AAC\n       */\n\n      _AdtsStream = function AdtsStream(handlePartialSegments) {\n        var buffer,\n            frameNum = 0;\n\n        _AdtsStream.prototype.init.call(this);\n\n        this.push = function (packet) {\n          var i = 0,\n              frameLength,\n              protectionSkipBytes,\n              frameEnd,\n              oldBuffer,\n              sampleCount,\n              adtsFrameDuration;\n\n          if (!handlePartialSegments) {\n            frameNum = 0;\n          }\n\n          if (packet.type !== 'audio') {\n            // ignore non-audio data\n            return;\n          } // Prepend any data in the buffer to the input data so that we can parse\n          // aac frames the cross a PES packet boundary\n\n\n          if (buffer) {\n            oldBuffer = buffer;\n            buffer = new Uint8Array(oldBuffer.byteLength + packet.data.byteLength);\n            buffer.set(oldBuffer);\n            buffer.set(packet.data, oldBuffer.byteLength);\n          } else {\n            buffer = packet.data;\n          } // unpack any ADTS frames which have been fully received\n          // for details on the ADTS header, see http://wiki.multimedia.cx/index.php?title=ADTS\n\n\n          while (i + 5 < buffer.length) {\n            // Look for the start of an ADTS header..\n            if (buffer[i] !== 0xFF || (buffer[i + 1] & 0xF6) !== 0xF0) {\n              // If a valid header was not found,  jump one forward and attempt to\n              // find a valid ADTS header starting at the next byte\n              i++;\n              continue;\n            } // The protection skip bit tells us if we have 2 bytes of CRC data at the\n            // end of the ADTS header\n\n\n            protectionSkipBytes = (~buffer[i + 1] & 0x01) * 2; // Frame length is a 13 bit integer starting 16 bits from the\n            // end of the sync sequence\n\n            frameLength = (buffer[i + 3] & 0x03) << 11 | buffer[i + 4] << 3 | (buffer[i + 5] & 0xe0) >> 5;\n            sampleCount = ((buffer[i + 6] & 0x03) + 1) * 1024;\n            adtsFrameDuration = sampleCount * ONE_SECOND_IN_TS$2 / ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2];\n            frameEnd = i + frameLength; // If we don't have enough data to actually finish this ADTS frame, return\n            // and wait for more data\n\n            if (buffer.byteLength < frameEnd) {\n              return;\n            } // Otherwise, deliver the complete AAC frame\n\n\n            this.trigger('data', {\n              pts: packet.pts + frameNum * adtsFrameDuration,\n              dts: packet.dts + frameNum * adtsFrameDuration,\n              sampleCount: sampleCount,\n              audioobjecttype: (buffer[i + 2] >>> 6 & 0x03) + 1,\n              channelcount: (buffer[i + 2] & 1) << 2 | (buffer[i + 3] & 0xc0) >>> 6,\n              samplerate: ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2],\n              samplingfrequencyindex: (buffer[i + 2] & 0x3c) >>> 2,\n              // assume ISO/IEC 14496-12 AudioSampleEntry default of 16\n              samplesize: 16,\n              data: buffer.subarray(i + 7 + protectionSkipBytes, frameEnd)\n            });\n            frameNum++; // If the buffer is empty, clear it and return\n\n            if (buffer.byteLength === frameEnd) {\n              buffer = undefined;\n              return;\n            } // Remove the finished frame from the buffer and start the process again\n\n\n            buffer = buffer.subarray(frameEnd);\n          }\n        };\n\n        this.flush = function () {\n          frameNum = 0;\n          this.trigger('done');\n        };\n\n        this.reset = function () {\n          buffer = void 0;\n          this.trigger('reset');\n        };\n\n        this.endTimeline = function () {\n          buffer = void 0;\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _AdtsStream.prototype = new stream();\n      var adts = _AdtsStream;\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ExpGolomb;\n      /**\n       * Parser for exponential Golomb codes, a variable-bitwidth number encoding\n       * scheme used by h264.\n       */\n\n      ExpGolomb = function ExpGolomb(workingData) {\n        var // the number of bytes left to examine in workingData\n        workingBytesAvailable = workingData.byteLength,\n            // the current word being examined\n        workingWord = 0,\n            // :uint\n        // the number of bits left to examine in the current word\n        workingBitsAvailable = 0; // :uint;\n        // ():uint\n\n        this.length = function () {\n          return 8 * workingBytesAvailable;\n        }; // ():uint\n\n\n        this.bitsAvailable = function () {\n          return 8 * workingBytesAvailable + workingBitsAvailable;\n        }; // ():void\n\n\n        this.loadWord = function () {\n          var position = workingData.byteLength - workingBytesAvailable,\n              workingBytes = new Uint8Array(4),\n              availableBytes = Math.min(4, workingBytesAvailable);\n\n          if (availableBytes === 0) {\n            throw new Error('no bytes available');\n          }\n\n          workingBytes.set(workingData.subarray(position, position + availableBytes));\n          workingWord = new DataView(workingBytes.buffer).getUint32(0); // track the amount of workingData that has been processed\n\n          workingBitsAvailable = availableBytes * 8;\n          workingBytesAvailable -= availableBytes;\n        }; // (count:int):void\n\n\n        this.skipBits = function (count) {\n          var skipBytes; // :int\n\n          if (workingBitsAvailable > count) {\n            workingWord <<= count;\n            workingBitsAvailable -= count;\n          } else {\n            count -= workingBitsAvailable;\n            skipBytes = Math.floor(count / 8);\n            count -= skipBytes * 8;\n            workingBytesAvailable -= skipBytes;\n            this.loadWord();\n            workingWord <<= count;\n            workingBitsAvailable -= count;\n          }\n        }; // (size:int):uint\n\n\n        this.readBits = function (size) {\n          var bits = Math.min(workingBitsAvailable, size),\n              // :uint\n          valu = workingWord >>> 32 - bits; // :uint\n          // if size > 31, handle error\n\n          workingBitsAvailable -= bits;\n\n          if (workingBitsAvailable > 0) {\n            workingWord <<= bits;\n          } else if (workingBytesAvailable > 0) {\n            this.loadWord();\n          }\n\n          bits = size - bits;\n\n          if (bits > 0) {\n            return valu << bits | this.readBits(bits);\n          }\n\n          return valu;\n        }; // ():uint\n\n\n        this.skipLeadingZeros = function () {\n          var leadingZeroCount; // :uint\n\n          for (leadingZeroCount = 0; leadingZeroCount < workingBitsAvailable; ++leadingZeroCount) {\n            if ((workingWord & 0x80000000 >>> leadingZeroCount) !== 0) {\n              // the first bit of working word is 1\n              workingWord <<= leadingZeroCount;\n              workingBitsAvailable -= leadingZeroCount;\n              return leadingZeroCount;\n            }\n          } // we exhausted workingWord and still have not found a 1\n\n\n          this.loadWord();\n          return leadingZeroCount + this.skipLeadingZeros();\n        }; // ():void\n\n\n        this.skipUnsignedExpGolomb = function () {\n          this.skipBits(1 + this.skipLeadingZeros());\n        }; // ():void\n\n\n        this.skipExpGolomb = function () {\n          this.skipBits(1 + this.skipLeadingZeros());\n        }; // ():uint\n\n\n        this.readUnsignedExpGolomb = function () {\n          var clz = this.skipLeadingZeros(); // :uint\n\n          return this.readBits(clz + 1) - 1;\n        }; // ():int\n\n\n        this.readExpGolomb = function () {\n          var valu = this.readUnsignedExpGolomb(); // :int\n\n          if (0x01 & valu) {\n            // the number is odd if the low order bit is set\n            return 1 + valu >>> 1; // add 1 to make it even, and divide by 2\n          }\n\n          return -1 * (valu >>> 1); // divide by two then make it negative\n        }; // Some convenience functions\n        // :Boolean\n\n\n        this.readBoolean = function () {\n          return this.readBits(1) === 1;\n        }; // ():int\n\n\n        this.readUnsignedByte = function () {\n          return this.readBits(8);\n        };\n\n        this.loadWord();\n      };\n\n      var expGolomb = ExpGolomb;\n\n      var _H264Stream, _NalByteStream;\n\n      var PROFILES_WITH_OPTIONAL_SPS_DATA;\n      /**\n       * Accepts a NAL unit byte stream and unpacks the embedded NAL units.\n       */\n\n      _NalByteStream = function NalByteStream() {\n        var syncPoint = 0,\n            i,\n            buffer;\n\n        _NalByteStream.prototype.init.call(this);\n        /*\n         * Scans a byte stream and triggers a data event with the NAL units found.\n         * @param {Object} data Event received from H264Stream\n         * @param {Uint8Array} data.data The h264 byte stream to be scanned\n         *\n         * @see H264Stream.push\n         */\n\n\n        this.push = function (data) {\n          var swapBuffer;\n\n          if (!buffer) {\n            buffer = data.data;\n          } else {\n            swapBuffer = new Uint8Array(buffer.byteLength + data.data.byteLength);\n            swapBuffer.set(buffer);\n            swapBuffer.set(data.data, buffer.byteLength);\n            buffer = swapBuffer;\n          }\n\n          var len = buffer.byteLength; // Rec. ITU-T H.264, Annex B\n          // scan for NAL unit boundaries\n          // a match looks like this:\n          // 0 0 1 .. NAL .. 0 0 1\n          // ^ sync point        ^ i\n          // or this:\n          // 0 0 1 .. NAL .. 0 0 0\n          // ^ sync point        ^ i\n          // advance the sync point to a NAL start, if necessary\n\n          for (; syncPoint < len - 3; syncPoint++) {\n            if (buffer[syncPoint + 2] === 1) {\n              // the sync point is properly aligned\n              i = syncPoint + 5;\n              break;\n            }\n          }\n\n          while (i < len) {\n            // look at the current byte to determine if we've hit the end of\n            // a NAL unit boundary\n            switch (buffer[i]) {\n              case 0:\n                // skip past non-sync sequences\n                if (buffer[i - 1] !== 0) {\n                  i += 2;\n                  break;\n                } else if (buffer[i - 2] !== 0) {\n                  i++;\n                  break;\n                } // deliver the NAL unit if it isn't empty\n\n\n                if (syncPoint + 3 !== i - 2) {\n                  this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));\n                } // drop trailing zeroes\n\n\n                do {\n                  i++;\n                } while (buffer[i] !== 1 && i < len);\n\n                syncPoint = i - 2;\n                i += 3;\n                break;\n\n              case 1:\n                // skip past non-sync sequences\n                if (buffer[i - 1] !== 0 || buffer[i - 2] !== 0) {\n                  i += 3;\n                  break;\n                } // deliver the NAL unit\n\n\n                this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));\n                syncPoint = i - 2;\n                i += 3;\n                break;\n\n              default:\n                // the current byte isn't a one or zero, so it cannot be part\n                // of a sync sequence\n                i += 3;\n                break;\n            }\n          } // filter out the NAL units that were delivered\n\n\n          buffer = buffer.subarray(syncPoint);\n          i -= syncPoint;\n          syncPoint = 0;\n        };\n\n        this.reset = function () {\n          buffer = null;\n          syncPoint = 0;\n          this.trigger('reset');\n        };\n\n        this.flush = function () {\n          // deliver the last buffered NAL unit\n          if (buffer && buffer.byteLength > 3) {\n            this.trigger('data', buffer.subarray(syncPoint + 3));\n          } // reset the stream state\n\n\n          buffer = null;\n          syncPoint = 0;\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _NalByteStream.prototype = new stream(); // values of profile_idc that indicate additional fields are included in the SPS\n      // see Recommendation ITU-T H.264 (4/2013),\n      // 7.3.2.1.1 Sequence parameter set data syntax\n\n      PROFILES_WITH_OPTIONAL_SPS_DATA = {\n        100: true,\n        110: true,\n        122: true,\n        244: true,\n        44: true,\n        83: true,\n        86: true,\n        118: true,\n        128: true,\n        138: true,\n        139: true,\n        134: true\n      };\n      /**\n       * Accepts input from a ElementaryStream and produces H.264 NAL unit data\n       * events.\n       */\n\n      _H264Stream = function H264Stream() {\n        var nalByteStream = new _NalByteStream(),\n            self,\n            trackId,\n            currentPts,\n            currentDts,\n            discardEmulationPreventionBytes,\n            readSequenceParameterSet,\n            skipScalingList;\n\n        _H264Stream.prototype.init.call(this);\n\n        self = this;\n        /*\n         * Pushes a packet from a stream onto the NalByteStream\n         *\n         * @param {Object} packet - A packet received from a stream\n         * @param {Uint8Array} packet.data - The raw bytes of the packet\n         * @param {Number} packet.dts - Decode timestamp of the packet\n         * @param {Number} packet.pts - Presentation timestamp of the packet\n         * @param {Number} packet.trackId - The id of the h264 track this packet came from\n         * @param {('video'|'audio')} packet.type - The type of packet\n         *\n         */\n\n        this.push = function (packet) {\n          if (packet.type !== 'video') {\n            return;\n          }\n\n          trackId = packet.trackId;\n          currentPts = packet.pts;\n          currentDts = packet.dts;\n          nalByteStream.push(packet);\n        };\n        /*\n         * Identify NAL unit types and pass on the NALU, trackId, presentation and decode timestamps\n         * for the NALUs to the next stream component.\n         * Also, preprocess caption and sequence parameter NALUs.\n         *\n         * @param {Uint8Array} data - A NAL unit identified by `NalByteStream.push`\n         * @see NalByteStream.push\n         */\n\n\n        nalByteStream.on('data', function (data) {\n          var event = {\n            trackId: trackId,\n            pts: currentPts,\n            dts: currentDts,\n            data: data\n          };\n\n          switch (data[0] & 0x1f) {\n            case 0x05:\n              event.nalUnitType = 'slice_layer_without_partitioning_rbsp_idr';\n              break;\n\n            case 0x06:\n              event.nalUnitType = 'sei_rbsp';\n              event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));\n              break;\n\n            case 0x07:\n              event.nalUnitType = 'seq_parameter_set_rbsp';\n              event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));\n              event.config = readSequenceParameterSet(event.escapedRBSP);\n              break;\n\n            case 0x08:\n              event.nalUnitType = 'pic_parameter_set_rbsp';\n              break;\n\n            case 0x09:\n              event.nalUnitType = 'access_unit_delimiter_rbsp';\n              break;\n\n            default:\n              break;\n          } // This triggers data on the H264Stream\n\n\n          self.trigger('data', event);\n        });\n        nalByteStream.on('done', function () {\n          self.trigger('done');\n        });\n        nalByteStream.on('partialdone', function () {\n          self.trigger('partialdone');\n        });\n        nalByteStream.on('reset', function () {\n          self.trigger('reset');\n        });\n        nalByteStream.on('endedtimeline', function () {\n          self.trigger('endedtimeline');\n        });\n\n        this.flush = function () {\n          nalByteStream.flush();\n        };\n\n        this.partialFlush = function () {\n          nalByteStream.partialFlush();\n        };\n\n        this.reset = function () {\n          nalByteStream.reset();\n        };\n\n        this.endTimeline = function () {\n          nalByteStream.endTimeline();\n        };\n        /**\n         * Advance the ExpGolomb decoder past a scaling list. The scaling\n         * list is optionally transmitted as part of a sequence parameter\n         * set and is not relevant to transmuxing.\n         * @param count {number} the number of entries in this scaling list\n         * @param expGolombDecoder {object} an ExpGolomb pointed to the\n         * start of a scaling list\n         * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n         */\n\n\n        skipScalingList = function skipScalingList(count, expGolombDecoder) {\n          var lastScale = 8,\n              nextScale = 8,\n              j,\n              deltaScale;\n\n          for (j = 0; j < count; j++) {\n            if (nextScale !== 0) {\n              deltaScale = expGolombDecoder.readExpGolomb();\n              nextScale = (lastScale + deltaScale + 256) % 256;\n            }\n\n            lastScale = nextScale === 0 ? lastScale : nextScale;\n          }\n        };\n        /**\n         * Expunge any \"Emulation Prevention\" bytes from a \"Raw Byte\n         * Sequence Payload\"\n         * @param data {Uint8Array} the bytes of a RBSP from a NAL\n         * unit\n         * @return {Uint8Array} the RBSP without any Emulation\n         * Prevention Bytes\n         */\n\n\n        discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n          var length = data.byteLength,\n              emulationPreventionBytesPositions = [],\n              i = 1,\n              newLength,\n              newData; // Find all `Emulation Prevention Bytes`\n\n          while (i < length - 2) {\n            if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n              emulationPreventionBytesPositions.push(i + 2);\n              i += 2;\n            } else {\n              i++;\n            }\n          } // If no Emulation Prevention Bytes were found just return the original\n          // array\n\n\n          if (emulationPreventionBytesPositions.length === 0) {\n            return data;\n          } // Create a new array to hold the NAL unit data\n\n\n          newLength = length - emulationPreventionBytesPositions.length;\n          newData = new Uint8Array(newLength);\n          var sourceIndex = 0;\n\n          for (i = 0; i < newLength; sourceIndex++, i++) {\n            if (sourceIndex === emulationPreventionBytesPositions[0]) {\n              // Skip this byte\n              sourceIndex++; // Remove this position index\n\n              emulationPreventionBytesPositions.shift();\n            }\n\n            newData[i] = data[sourceIndex];\n          }\n\n          return newData;\n        };\n        /**\n         * Read a sequence parameter set and return some interesting video\n         * properties. A sequence parameter set is the H264 metadata that\n         * describes the properties of upcoming video frames.\n         * @param data {Uint8Array} the bytes of a sequence parameter set\n         * @return {object} an object with configuration parsed from the\n         * sequence parameter set, including the dimensions of the\n         * associated video frames.\n         */\n\n\n        readSequenceParameterSet = function readSequenceParameterSet(data) {\n          var frameCropLeftOffset = 0,\n              frameCropRightOffset = 0,\n              frameCropTopOffset = 0,\n              frameCropBottomOffset = 0,\n              sarScale = 1,\n              expGolombDecoder,\n              profileIdc,\n              levelIdc,\n              profileCompatibility,\n              chromaFormatIdc,\n              picOrderCntType,\n              numRefFramesInPicOrderCntCycle,\n              picWidthInMbsMinus1,\n              picHeightInMapUnitsMinus1,\n              frameMbsOnlyFlag,\n              scalingListCount,\n              sarRatio,\n              aspectRatioIdc,\n              i;\n          expGolombDecoder = new expGolomb(data);\n          profileIdc = expGolombDecoder.readUnsignedByte(); // profile_idc\n\n          profileCompatibility = expGolombDecoder.readUnsignedByte(); // constraint_set[0-5]_flag\n\n          levelIdc = expGolombDecoder.readUnsignedByte(); // level_idc u(8)\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // seq_parameter_set_id\n          // some profiles have more optional data we don't need\n\n          if (PROFILES_WITH_OPTIONAL_SPS_DATA[profileIdc]) {\n            chromaFormatIdc = expGolombDecoder.readUnsignedExpGolomb();\n\n            if (chromaFormatIdc === 3) {\n              expGolombDecoder.skipBits(1); // separate_colour_plane_flag\n            }\n\n            expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_luma_minus8\n\n            expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_chroma_minus8\n\n            expGolombDecoder.skipBits(1); // qpprime_y_zero_transform_bypass_flag\n\n            if (expGolombDecoder.readBoolean()) {\n              // seq_scaling_matrix_present_flag\n              scalingListCount = chromaFormatIdc !== 3 ? 8 : 12;\n\n              for (i = 0; i < scalingListCount; i++) {\n                if (expGolombDecoder.readBoolean()) {\n                  // seq_scaling_list_present_flag[ i ]\n                  if (i < 6) {\n                    skipScalingList(16, expGolombDecoder);\n                  } else {\n                    skipScalingList(64, expGolombDecoder);\n                  }\n                }\n              }\n            }\n          }\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // log2_max_frame_num_minus4\n\n          picOrderCntType = expGolombDecoder.readUnsignedExpGolomb();\n\n          if (picOrderCntType === 0) {\n            expGolombDecoder.readUnsignedExpGolomb(); // log2_max_pic_order_cnt_lsb_minus4\n          } else if (picOrderCntType === 1) {\n            expGolombDecoder.skipBits(1); // delta_pic_order_always_zero_flag\n\n            expGolombDecoder.skipExpGolomb(); // offset_for_non_ref_pic\n\n            expGolombDecoder.skipExpGolomb(); // offset_for_top_to_bottom_field\n\n            numRefFramesInPicOrderCntCycle = expGolombDecoder.readUnsignedExpGolomb();\n\n            for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n              expGolombDecoder.skipExpGolomb(); // offset_for_ref_frame[ i ]\n            }\n          }\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // max_num_ref_frames\n\n          expGolombDecoder.skipBits(1); // gaps_in_frame_num_value_allowed_flag\n\n          picWidthInMbsMinus1 = expGolombDecoder.readUnsignedExpGolomb();\n          picHeightInMapUnitsMinus1 = expGolombDecoder.readUnsignedExpGolomb();\n          frameMbsOnlyFlag = expGolombDecoder.readBits(1);\n\n          if (frameMbsOnlyFlag === 0) {\n            expGolombDecoder.skipBits(1); // mb_adaptive_frame_field_flag\n          }\n\n          expGolombDecoder.skipBits(1); // direct_8x8_inference_flag\n\n          if (expGolombDecoder.readBoolean()) {\n            // frame_cropping_flag\n            frameCropLeftOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropRightOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropTopOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropBottomOffset = expGolombDecoder.readUnsignedExpGolomb();\n          }\n\n          if (expGolombDecoder.readBoolean()) {\n            // vui_parameters_present_flag\n            if (expGolombDecoder.readBoolean()) {\n              // aspect_ratio_info_present_flag\n              aspectRatioIdc = expGolombDecoder.readUnsignedByte();\n\n              switch (aspectRatioIdc) {\n                case 1:\n                  sarRatio = [1, 1];\n                  break;\n\n                case 2:\n                  sarRatio = [12, 11];\n                  break;\n\n                case 3:\n                  sarRatio = [10, 11];\n                  break;\n\n                case 4:\n                  sarRatio = [16, 11];\n                  break;\n\n                case 5:\n                  sarRatio = [40, 33];\n                  break;\n\n                case 6:\n                  sarRatio = [24, 11];\n                  break;\n\n                case 7:\n                  sarRatio = [20, 11];\n                  break;\n\n                case 8:\n                  sarRatio = [32, 11];\n                  break;\n\n                case 9:\n                  sarRatio = [80, 33];\n                  break;\n\n                case 10:\n                  sarRatio = [18, 11];\n                  break;\n\n                case 11:\n                  sarRatio = [15, 11];\n                  break;\n\n                case 12:\n                  sarRatio = [64, 33];\n                  break;\n\n                case 13:\n                  sarRatio = [160, 99];\n                  break;\n\n                case 14:\n                  sarRatio = [4, 3];\n                  break;\n\n                case 15:\n                  sarRatio = [3, 2];\n                  break;\n\n                case 16:\n                  sarRatio = [2, 1];\n                  break;\n\n                case 255:\n                  {\n                    sarRatio = [expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte(), expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte()];\n                    break;\n                  }\n              }\n\n              if (sarRatio) {\n                sarScale = sarRatio[0] / sarRatio[1];\n              }\n            }\n          }\n\n          return {\n            profileIdc: profileIdc,\n            levelIdc: levelIdc,\n            profileCompatibility: profileCompatibility,\n            width: Math.ceil(((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2) * sarScale),\n            height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - frameCropTopOffset * 2 - frameCropBottomOffset * 2,\n            sarRatio: sarRatio\n          };\n        };\n      };\n\n      _H264Stream.prototype = new stream();\n      var h264 = {\n        H264Stream: _H264Stream,\n        NalByteStream: _NalByteStream\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Utilities to detect basic properties and metadata about Aac data.\n       */\n\n      var ADTS_SAMPLING_FREQUENCIES$1 = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n\n      var isLikelyAacData = function isLikelyAacData(data) {\n        if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {\n          return true;\n        }\n\n        return false;\n      };\n\n      var parseSyncSafeInteger$1 = function parseSyncSafeInteger(data) {\n        return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n      }; // return a percent-encoded representation of the specified byte range\n      // @see http://en.wikipedia.org/wiki/Percent-encoding\n\n\n      var percentEncode$1 = function percentEncode(bytes, start, end) {\n        var i,\n            result = '';\n\n        for (i = start; i < end; i++) {\n          result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n        }\n\n        return result;\n      }; // return the string representation of the specified byte range,\n      // interpreted as ISO-8859-1.\n\n\n      var parseIso88591$1 = function parseIso88591(bytes, start, end) {\n        return unescape(percentEncode$1(bytes, start, end)); // jshint ignore:line\n      };\n\n      var parseId3TagSize = function parseId3TagSize(header, byteIndex) {\n        var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],\n            flags = header[byteIndex + 5],\n            footerPresent = (flags & 16) >> 4;\n\n        if (footerPresent) {\n          return returnSize + 20;\n        }\n\n        return returnSize + 10;\n      };\n\n      var parseAdtsSize = function parseAdtsSize(header, byteIndex) {\n        var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,\n            middle = header[byteIndex + 4] << 3,\n            highTwo = header[byteIndex + 3] & 0x3 << 11;\n        return highTwo | middle | lowThree;\n      };\n\n      var parseType = function parseType(header, byteIndex) {\n        if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {\n          return 'timed-metadata';\n        } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {\n          return 'audio';\n        }\n\n        return null;\n      };\n\n      var parseSampleRate = function parseSampleRate(packet) {\n        var i = 0;\n\n        while (i + 5 < packet.length) {\n          if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {\n            // If a valid header was not found,  jump one forward and attempt to\n            // find a valid ADTS header starting at the next byte\n            i++;\n            continue;\n          }\n\n          return ADTS_SAMPLING_FREQUENCIES$1[(packet[i + 2] & 0x3c) >>> 2];\n        }\n\n        return null;\n      };\n\n      var parseAacTimestamp = function parseAacTimestamp(packet) {\n        var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag\n\n        frameStart = 10;\n\n        if (packet[5] & 0x40) {\n          // advance the frame start past the extended header\n          frameStart += 4; // header size field\n\n          frameStart += parseSyncSafeInteger$1(packet.subarray(10, 14));\n        } // parse one or more ID3 frames\n        // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n        do {\n          // determine the number of bytes in this frame\n          frameSize = parseSyncSafeInteger$1(packet.subarray(frameStart + 4, frameStart + 8));\n\n          if (frameSize < 1) {\n            return null;\n          }\n\n          frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);\n\n          if (frameHeader === 'PRIV') {\n            frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);\n\n            for (var i = 0; i < frame.byteLength; i++) {\n              if (frame[i] === 0) {\n                var owner = parseIso88591$1(frame, 0, i);\n\n                if (owner === 'com.apple.streaming.transportStreamTimestamp') {\n                  var d = frame.subarray(i + 1);\n                  var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n                  size *= 4;\n                  size += d[7] & 0x03;\n                  return size;\n                }\n\n                break;\n              }\n            }\n          }\n\n          frameStart += 10; // advance past the frame header\n\n          frameStart += frameSize; // advance past the frame body\n        } while (frameStart < packet.byteLength);\n\n        return null;\n      };\n\n      var utils = {\n        isLikelyAacData: isLikelyAacData,\n        parseId3TagSize: parseId3TagSize,\n        parseAdtsSize: parseAdtsSize,\n        parseType: parseType,\n        parseSampleRate: parseSampleRate,\n        parseAacTimestamp: parseAacTimestamp\n      }; // Constants\n\n      var _AacStream;\n      /**\n       * Splits an incoming stream of binary data into ADTS and ID3 Frames.\n       */\n\n\n      _AacStream = function AacStream() {\n        var everything = new Uint8Array(),\n            timeStamp = 0;\n\n        _AacStream.prototype.init.call(this);\n\n        this.setTimestamp = function (timestamp) {\n          timeStamp = timestamp;\n        };\n\n        this.push = function (bytes) {\n          var frameSize = 0,\n              byteIndex = 0,\n              bytesLeft,\n              chunk,\n              packet,\n              tempLength; // If there are bytes remaining from the last segment, prepend them to the\n          // bytes that were pushed in\n\n          if (everything.length) {\n            tempLength = everything.length;\n            everything = new Uint8Array(bytes.byteLength + tempLength);\n            everything.set(everything.subarray(0, tempLength));\n            everything.set(bytes, tempLength);\n          } else {\n            everything = bytes;\n          }\n\n          while (everything.length - byteIndex >= 3) {\n            if (everything[byteIndex] === 'I'.charCodeAt(0) && everything[byteIndex + 1] === 'D'.charCodeAt(0) && everything[byteIndex + 2] === '3'.charCodeAt(0)) {\n              // Exit early because we don't have enough to parse\n              // the ID3 tag header\n              if (everything.length - byteIndex < 10) {\n                break;\n              } // check framesize\n\n\n              frameSize = utils.parseId3TagSize(everything, byteIndex); // Exit early if we don't have enough in the buffer\n              // to emit a full packet\n              // Add to byteIndex to support multiple ID3 tags in sequence\n\n              if (byteIndex + frameSize > everything.length) {\n                break;\n              }\n\n              chunk = {\n                type: 'timed-metadata',\n                data: everything.subarray(byteIndex, byteIndex + frameSize)\n              };\n              this.trigger('data', chunk);\n              byteIndex += frameSize;\n              continue;\n            } else if ((everything[byteIndex] & 0xff) === 0xff && (everything[byteIndex + 1] & 0xf0) === 0xf0) {\n              // Exit early because we don't have enough to parse\n              // the ADTS frame header\n              if (everything.length - byteIndex < 7) {\n                break;\n              }\n\n              frameSize = utils.parseAdtsSize(everything, byteIndex); // Exit early if we don't have enough in the buffer\n              // to emit a full packet\n\n              if (byteIndex + frameSize > everything.length) {\n                break;\n              }\n\n              packet = {\n                type: 'audio',\n                data: everything.subarray(byteIndex, byteIndex + frameSize),\n                pts: timeStamp,\n                dts: timeStamp\n              };\n              this.trigger('data', packet);\n              byteIndex += frameSize;\n              continue;\n            }\n\n            byteIndex++;\n          }\n\n          bytesLeft = everything.length - byteIndex;\n\n          if (bytesLeft > 0) {\n            everything = everything.subarray(byteIndex);\n          } else {\n            everything = new Uint8Array();\n          }\n        };\n\n        this.reset = function () {\n          everything = new Uint8Array();\n          this.trigger('reset');\n        };\n\n        this.endTimeline = function () {\n          everything = new Uint8Array();\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _AacStream.prototype = new stream();\n      var aac = _AacStream;\n      var H264Stream = h264.H264Stream;\n      var isLikelyAacData$1 = utils.isLikelyAacData;\n      var ONE_SECOND_IN_TS$3 = clock.ONE_SECOND_IN_TS; // constants\n\n      var AUDIO_PROPERTIES = ['audioobjecttype', 'channelcount', 'samplerate', 'samplingfrequencyindex', 'samplesize'];\n      var VIDEO_PROPERTIES = ['width', 'height', 'profileIdc', 'levelIdc', 'profileCompatibility', 'sarRatio']; // object types\n\n      var _VideoSegmentStream, _AudioSegmentStream, _Transmuxer, _CoalesceStream;\n      /**\n       * Compare two arrays (even typed) for same-ness\n       */\n\n\n      var arrayEquals = function arrayEquals(a, b) {\n        var i;\n\n        if (a.length !== b.length) {\n          return false;\n        } // compare the value of each element in the array\n\n\n        for (i = 0; i < a.length; i++) {\n          if (a[i] !== b[i]) {\n            return false;\n          }\n        }\n\n        return true;\n      };\n\n      var generateVideoSegmentTimingInfo = function generateVideoSegmentTimingInfo(baseMediaDecodeTime, startDts, startPts, endDts, endPts, prependedContentDuration) {\n        var ptsOffsetFromDts = startPts - startDts,\n            decodeDuration = endDts - startDts,\n            presentationDuration = endPts - startPts; // The PTS and DTS values are based on the actual stream times from the segment,\n        // however, the player time values will reflect a start from the baseMediaDecodeTime.\n        // In order to provide relevant values for the player times, base timing info on the\n        // baseMediaDecodeTime and the DTS and PTS durations of the segment.\n\n        return {\n          start: {\n            dts: baseMediaDecodeTime,\n            pts: baseMediaDecodeTime + ptsOffsetFromDts\n          },\n          end: {\n            dts: baseMediaDecodeTime + decodeDuration,\n            pts: baseMediaDecodeTime + presentationDuration\n          },\n          prependedContentDuration: prependedContentDuration,\n          baseMediaDecodeTime: baseMediaDecodeTime\n        };\n      };\n      /**\n       * Constructs a single-track, ISO BMFF media segment from AAC data\n       * events. The output of this stream can be fed to a SourceBuffer\n       * configured with a suitable initialization segment.\n       * @param track {object} track metadata configuration\n       * @param options {object} transmuxer options object\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n\n      _AudioSegmentStream = function AudioSegmentStream(track, options) {\n        var adtsFrames = [],\n            sequenceNumber = 0,\n            earliestAllowedDts = 0,\n            audioAppendStartTs = 0,\n            videoBaseMediaDecodeTime = Infinity;\n        options = options || {};\n\n        _AudioSegmentStream.prototype.init.call(this);\n\n        this.push = function (data) {\n          trackDecodeInfo.collectDtsInfo(track, data);\n\n          if (track) {\n            AUDIO_PROPERTIES.forEach(function (prop) {\n              track[prop] = data[prop];\n            });\n          } // buffer audio data until end() is called\n\n\n          adtsFrames.push(data);\n        };\n\n        this.setEarliestDts = function (earliestDts) {\n          earliestAllowedDts = earliestDts - track.timelineStartInfo.baseMediaDecodeTime;\n        };\n\n        this.setVideoBaseMediaDecodeTime = function (baseMediaDecodeTime) {\n          videoBaseMediaDecodeTime = baseMediaDecodeTime;\n        };\n\n        this.setAudioAppendStart = function (timestamp) {\n          audioAppendStartTs = timestamp;\n        };\n\n        this.flush = function () {\n          var frames, moof, mdat, boxes, frameDuration; // return early if no audio data has been observed\n\n          if (adtsFrames.length === 0) {\n            this.trigger('done', 'AudioSegmentStream');\n            return;\n          }\n\n          frames = audioFrameUtils.trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts);\n          track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);\n          audioFrameUtils.prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime); // we have to build the index from byte locations to\n          // samples (that is, adts frames) in the audio data\n\n          track.samples = audioFrameUtils.generateSampleTable(frames); // concatenate the audio data to constuct the mdat\n\n          mdat = mp4Generator.mdat(audioFrameUtils.concatenateFrameData(frames));\n          adtsFrames = [];\n          moof = mp4Generator.moof(sequenceNumber, [track]);\n          boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // bump the sequence number for next time\n\n          sequenceNumber++;\n          boxes.set(moof);\n          boxes.set(mdat, moof.byteLength);\n          trackDecodeInfo.clearDtsInfo(track);\n          frameDuration = Math.ceil(ONE_SECOND_IN_TS$3 * 1024 / track.samplerate); // TODO this check was added to maintain backwards compatibility (particularly with\n          // tests) on adding the timingInfo event. However, it seems unlikely that there's a\n          // valid use-case where an init segment/data should be triggered without associated\n          // frames. Leaving for now, but should be looked into.\n\n          if (frames.length) {\n            this.trigger('timingInfo', {\n              start: frames[0].pts,\n              end: frames[0].pts + frames.length * frameDuration\n            });\n          }\n\n          this.trigger('data', {\n            track: track,\n            boxes: boxes\n          });\n          this.trigger('done', 'AudioSegmentStream');\n        };\n\n        this.reset = function () {\n          trackDecodeInfo.clearDtsInfo(track);\n          adtsFrames = [];\n          this.trigger('reset');\n        };\n      };\n\n      _AudioSegmentStream.prototype = new stream();\n      /**\n       * Constructs a single-track, ISO BMFF media segment from H264 data\n       * events. The output of this stream can be fed to a SourceBuffer\n       * configured with a suitable initialization segment.\n       * @param track {object} track metadata configuration\n       * @param options {object} transmuxer options object\n       * @param options.alignGopsAtEnd {boolean} If true, start from the end of the\n       *        gopsToAlignWith list when attempting to align gop pts\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n      _VideoSegmentStream = function VideoSegmentStream(track, options) {\n        var sequenceNumber = 0,\n            nalUnits = [],\n            gopsToAlignWith = [],\n            config,\n            pps;\n        options = options || {};\n\n        _VideoSegmentStream.prototype.init.call(this);\n\n        delete track.minPTS;\n        this.gopCache_ = [];\n        /**\n          * Constructs a ISO BMFF segment given H264 nalUnits\n          * @param {Object} nalUnit A data event representing a nalUnit\n          * @param {String} nalUnit.nalUnitType\n          * @param {Object} nalUnit.config Properties for a mp4 track\n          * @param {Uint8Array} nalUnit.data The nalUnit bytes\n          * @see lib/codecs/h264.js\n         **/\n\n        this.push = function (nalUnit) {\n          trackDecodeInfo.collectDtsInfo(track, nalUnit); // record the track config\n\n          if (nalUnit.nalUnitType === 'seq_parameter_set_rbsp' && !config) {\n            config = nalUnit.config;\n            track.sps = [nalUnit.data];\n            VIDEO_PROPERTIES.forEach(function (prop) {\n              track[prop] = config[prop];\n            }, this);\n          }\n\n          if (nalUnit.nalUnitType === 'pic_parameter_set_rbsp' && !pps) {\n            pps = nalUnit.data;\n            track.pps = [nalUnit.data];\n          } // buffer video until flush() is called\n\n\n          nalUnits.push(nalUnit);\n        };\n        /**\n          * Pass constructed ISO BMFF track and boxes on to the\n          * next stream in the pipeline\n         **/\n\n\n        this.flush = function () {\n          var frames,\n              gopForFusion,\n              gops,\n              moof,\n              mdat,\n              boxes,\n              prependedContentDuration = 0,\n              firstGop,\n              lastGop; // Throw away nalUnits at the start of the byte stream until\n          // we find the first AUD\n\n          while (nalUnits.length) {\n            if (nalUnits[0].nalUnitType === 'access_unit_delimiter_rbsp') {\n              break;\n            }\n\n            nalUnits.shift();\n          } // Return early if no video data has been observed\n\n\n          if (nalUnits.length === 0) {\n            this.resetStream_();\n            this.trigger('done', 'VideoSegmentStream');\n            return;\n          } // Organize the raw nal-units into arrays that represent\n          // higher-level constructs such as frames and gops\n          // (group-of-pictures)\n\n\n          frames = frameUtils.groupNalsIntoFrames(nalUnits);\n          gops = frameUtils.groupFramesIntoGops(frames); // If the first frame of this fragment is not a keyframe we have\n          // a problem since MSE (on Chrome) requires a leading keyframe.\n          //\n          // We have two approaches to repairing this situation:\n          // 1) GOP-FUSION:\n          //    This is where we keep track of the GOPS (group-of-pictures)\n          //    from previous fragments and attempt to find one that we can\n          //    prepend to the current fragment in order to create a valid\n          //    fragment.\n          // 2) KEYFRAME-PULLING:\n          //    Here we search for the first keyframe in the fragment and\n          //    throw away all the frames between the start of the fragment\n          //    and that keyframe. We then extend the duration and pull the\n          //    PTS of the keyframe forward so that it covers the time range\n          //    of the frames that were disposed of.\n          //\n          // #1 is far prefereable over #2 which can cause \"stuttering\" but\n          // requires more things to be just right.\n\n          if (!gops[0][0].keyFrame) {\n            // Search for a gop for fusion from our gopCache\n            gopForFusion = this.getGopForFusion_(nalUnits[0], track);\n\n            if (gopForFusion) {\n              // in order to provide more accurate timing information about the segment, save\n              // the number of seconds prepended to the original segment due to GOP fusion\n              prependedContentDuration = gopForFusion.duration;\n              gops.unshift(gopForFusion); // Adjust Gops' metadata to account for the inclusion of the\n              // new gop at the beginning\n\n              gops.byteLength += gopForFusion.byteLength;\n              gops.nalCount += gopForFusion.nalCount;\n              gops.pts = gopForFusion.pts;\n              gops.dts = gopForFusion.dts;\n              gops.duration += gopForFusion.duration;\n            } else {\n              // If we didn't find a candidate gop fall back to keyframe-pulling\n              gops = frameUtils.extendFirstKeyFrame(gops);\n            }\n          } // Trim gops to align with gopsToAlignWith\n\n\n          if (gopsToAlignWith.length) {\n            var alignedGops;\n\n            if (options.alignGopsAtEnd) {\n              alignedGops = this.alignGopsAtEnd_(gops);\n            } else {\n              alignedGops = this.alignGopsAtStart_(gops);\n            }\n\n            if (!alignedGops) {\n              // save all the nals in the last GOP into the gop cache\n              this.gopCache_.unshift({\n                gop: gops.pop(),\n                pps: track.pps,\n                sps: track.sps\n              }); // Keep a maximum of 6 GOPs in the cache\n\n              this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits\n\n              nalUnits = []; // return early no gops can be aligned with desired gopsToAlignWith\n\n              this.resetStream_();\n              this.trigger('done', 'VideoSegmentStream');\n              return;\n            } // Some gops were trimmed. clear dts info so minSegmentDts and pts are correct\n            // when recalculated before sending off to CoalesceStream\n\n\n            trackDecodeInfo.clearDtsInfo(track);\n            gops = alignedGops;\n          }\n\n          trackDecodeInfo.collectDtsInfo(track, gops); // First, we have to build the index from byte locations to\n          // samples (that is, frames) in the video data\n\n          track.samples = frameUtils.generateSampleTable(gops); // Concatenate the video data and construct the mdat\n\n          mdat = mp4Generator.mdat(frameUtils.concatenateNalData(gops));\n          track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);\n          this.trigger('processedGopsInfo', gops.map(function (gop) {\n            return {\n              pts: gop.pts,\n              dts: gop.dts,\n              byteLength: gop.byteLength\n            };\n          }));\n          firstGop = gops[0];\n          lastGop = gops[gops.length - 1];\n          this.trigger('segmentTimingInfo', generateVideoSegmentTimingInfo(track.baseMediaDecodeTime, firstGop.dts, firstGop.pts, lastGop.dts + lastGop.duration, lastGop.pts + lastGop.duration, prependedContentDuration));\n          this.trigger('timingInfo', {\n            start: gops[0].pts,\n            end: gops[gops.length - 1].pts + gops[gops.length - 1].duration\n          }); // save all the nals in the last GOP into the gop cache\n\n          this.gopCache_.unshift({\n            gop: gops.pop(),\n            pps: track.pps,\n            sps: track.sps\n          }); // Keep a maximum of 6 GOPs in the cache\n\n          this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits\n\n          nalUnits = [];\n          this.trigger('baseMediaDecodeTime', track.baseMediaDecodeTime);\n          this.trigger('timelineStartInfo', track.timelineStartInfo);\n          moof = mp4Generator.moof(sequenceNumber, [track]); // it would be great to allocate this array up front instead of\n          // throwing away hundreds of media segment fragments\n\n          boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // Bump the sequence number for next time\n\n          sequenceNumber++;\n          boxes.set(moof);\n          boxes.set(mdat, moof.byteLength);\n          this.trigger('data', {\n            track: track,\n            boxes: boxes\n          });\n          this.resetStream_(); // Continue with the flush process now\n\n          this.trigger('done', 'VideoSegmentStream');\n        };\n\n        this.reset = function () {\n          this.resetStream_();\n          nalUnits = [];\n          this.gopCache_.length = 0;\n          gopsToAlignWith.length = 0;\n          this.trigger('reset');\n        };\n\n        this.resetStream_ = function () {\n          trackDecodeInfo.clearDtsInfo(track); // reset config and pps because they may differ across segments\n          // for instance, when we are rendition switching\n\n          config = undefined;\n          pps = undefined;\n        }; // Search for a candidate Gop for gop-fusion from the gop cache and\n        // return it or return null if no good candidate was found\n\n\n        this.getGopForFusion_ = function (nalUnit) {\n          var halfSecond = 45000,\n              // Half-a-second in a 90khz clock\n          allowableOverlap = 10000,\n              // About 3 frames @ 30fps\n          nearestDistance = Infinity,\n              dtsDistance,\n              nearestGopObj,\n              currentGop,\n              currentGopObj,\n              i; // Search for the GOP nearest to the beginning of this nal unit\n\n          for (i = 0; i < this.gopCache_.length; i++) {\n            currentGopObj = this.gopCache_[i];\n            currentGop = currentGopObj.gop; // Reject Gops with different SPS or PPS\n\n            if (!(track.pps && arrayEquals(track.pps[0], currentGopObj.pps[0])) || !(track.sps && arrayEquals(track.sps[0], currentGopObj.sps[0]))) {\n              continue;\n            } // Reject Gops that would require a negative baseMediaDecodeTime\n\n\n            if (currentGop.dts < track.timelineStartInfo.dts) {\n              continue;\n            } // The distance between the end of the gop and the start of the nalUnit\n\n\n            dtsDistance = nalUnit.dts - currentGop.dts - currentGop.duration; // Only consider GOPS that start before the nal unit and end within\n            // a half-second of the nal unit\n\n            if (dtsDistance >= -allowableOverlap && dtsDistance <= halfSecond) {\n              // Always use the closest GOP we found if there is more than\n              // one candidate\n              if (!nearestGopObj || nearestDistance > dtsDistance) {\n                nearestGopObj = currentGopObj;\n                nearestDistance = dtsDistance;\n              }\n            }\n          }\n\n          if (nearestGopObj) {\n            return nearestGopObj.gop;\n          }\n\n          return null;\n        }; // trim gop list to the first gop found that has a matching pts with a gop in the list\n        // of gopsToAlignWith starting from the START of the list\n\n\n        this.alignGopsAtStart_ = function (gops) {\n          var alignIndex, gopIndex, align, gop, byteLength, nalCount, duration, alignedGops;\n          byteLength = gops.byteLength;\n          nalCount = gops.nalCount;\n          duration = gops.duration;\n          alignIndex = gopIndex = 0;\n\n          while (alignIndex < gopsToAlignWith.length && gopIndex < gops.length) {\n            align = gopsToAlignWith[alignIndex];\n            gop = gops[gopIndex];\n\n            if (align.pts === gop.pts) {\n              break;\n            }\n\n            if (gop.pts > align.pts) {\n              // this current gop starts after the current gop we want to align on, so increment\n              // align index\n              alignIndex++;\n              continue;\n            } // current gop starts before the current gop we want to align on. so increment gop\n            // index\n\n\n            gopIndex++;\n            byteLength -= gop.byteLength;\n            nalCount -= gop.nalCount;\n            duration -= gop.duration;\n          }\n\n          if (gopIndex === 0) {\n            // no gops to trim\n            return gops;\n          }\n\n          if (gopIndex === gops.length) {\n            // all gops trimmed, skip appending all gops\n            return null;\n          }\n\n          alignedGops = gops.slice(gopIndex);\n          alignedGops.byteLength = byteLength;\n          alignedGops.duration = duration;\n          alignedGops.nalCount = nalCount;\n          alignedGops.pts = alignedGops[0].pts;\n          alignedGops.dts = alignedGops[0].dts;\n          return alignedGops;\n        }; // trim gop list to the first gop found that has a matching pts with a gop in the list\n        // of gopsToAlignWith starting from the END of the list\n\n\n        this.alignGopsAtEnd_ = function (gops) {\n          var alignIndex, gopIndex, align, gop, alignEndIndex, matchFound;\n          alignIndex = gopsToAlignWith.length - 1;\n          gopIndex = gops.length - 1;\n          alignEndIndex = null;\n          matchFound = false;\n\n          while (alignIndex >= 0 && gopIndex >= 0) {\n            align = gopsToAlignWith[alignIndex];\n            gop = gops[gopIndex];\n\n            if (align.pts === gop.pts) {\n              matchFound = true;\n              break;\n            }\n\n            if (align.pts > gop.pts) {\n              alignIndex--;\n              continue;\n            }\n\n            if (alignIndex === gopsToAlignWith.length - 1) {\n              // gop.pts is greater than the last alignment candidate. If no match is found\n              // by the end of this loop, we still want to append gops that come after this\n              // point\n              alignEndIndex = gopIndex;\n            }\n\n            gopIndex--;\n          }\n\n          if (!matchFound && alignEndIndex === null) {\n            return null;\n          }\n\n          var trimIndex;\n\n          if (matchFound) {\n            trimIndex = gopIndex;\n          } else {\n            trimIndex = alignEndIndex;\n          }\n\n          if (trimIndex === 0) {\n            return gops;\n          }\n\n          var alignedGops = gops.slice(trimIndex);\n          var metadata = alignedGops.reduce(function (total, gop) {\n            total.byteLength += gop.byteLength;\n            total.duration += gop.duration;\n            total.nalCount += gop.nalCount;\n            return total;\n          }, {\n            byteLength: 0,\n            duration: 0,\n            nalCount: 0\n          });\n          alignedGops.byteLength = metadata.byteLength;\n          alignedGops.duration = metadata.duration;\n          alignedGops.nalCount = metadata.nalCount;\n          alignedGops.pts = alignedGops[0].pts;\n          alignedGops.dts = alignedGops[0].dts;\n          return alignedGops;\n        };\n\n        this.alignGopsWith = function (newGopsToAlignWith) {\n          gopsToAlignWith = newGopsToAlignWith;\n        };\n      };\n\n      _VideoSegmentStream.prototype = new stream();\n      /**\n       * A Stream that can combine multiple streams (ie. audio & video)\n       * into a single output segment for MSE. Also supports audio-only\n       * and video-only streams.\n       * @param options {object} transmuxer options object\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at media timeline start.\n       */\n\n      _CoalesceStream = function CoalesceStream(options, metadataStream) {\n        // Number of Tracks per output segment\n        // If greater than 1, we combine multiple\n        // tracks into a single segment\n        this.numberOfTracks = 0;\n        this.metadataStream = metadataStream;\n        options = options || {};\n\n        if (typeof options.remux !== 'undefined') {\n          this.remuxTracks = !!options.remux;\n        } else {\n          this.remuxTracks = true;\n        }\n\n        if (typeof options.keepOriginalTimestamps === 'boolean') {\n          this.keepOriginalTimestamps = options.keepOriginalTimestamps;\n        } else {\n          this.keepOriginalTimestamps = false;\n        }\n\n        this.pendingTracks = [];\n        this.videoTrack = null;\n        this.pendingBoxes = [];\n        this.pendingCaptions = [];\n        this.pendingMetadata = [];\n        this.pendingBytes = 0;\n        this.emittedTracks = 0;\n\n        _CoalesceStream.prototype.init.call(this); // Take output from multiple\n\n\n        this.push = function (output) {\n          // buffer incoming captions until the associated video segment\n          // finishes\n          if (output.text) {\n            return this.pendingCaptions.push(output);\n          } // buffer incoming id3 tags until the final flush\n\n\n          if (output.frames) {\n            return this.pendingMetadata.push(output);\n          } // Add this track to the list of pending tracks and store\n          // important information required for the construction of\n          // the final segment\n\n\n          this.pendingTracks.push(output.track);\n          this.pendingBytes += output.boxes.byteLength; // TODO: is there an issue for this against chrome?\n          // We unshift audio and push video because\n          // as of Chrome 75 when switching from\n          // one init segment to another if the video\n          // mdat does not appear after the audio mdat\n          // only audio will play for the duration of our transmux.\n\n          if (output.track.type === 'video') {\n            this.videoTrack = output.track;\n            this.pendingBoxes.push(output.boxes);\n          }\n\n          if (output.track.type === 'audio') {\n            this.audioTrack = output.track;\n            this.pendingBoxes.unshift(output.boxes);\n          }\n        };\n      };\n\n      _CoalesceStream.prototype = new stream();\n\n      _CoalesceStream.prototype.flush = function (flushSource) {\n        var offset = 0,\n            event = {\n          captions: [],\n          captionStreams: {},\n          metadata: [],\n          info: {}\n        },\n            caption,\n            id3,\n            initSegment,\n            timelineStartPts = 0,\n            i;\n\n        if (this.pendingTracks.length < this.numberOfTracks) {\n          if (flushSource !== 'VideoSegmentStream' && flushSource !== 'AudioSegmentStream') {\n            // Return because we haven't received a flush from a data-generating\n            // portion of the segment (meaning that we have only recieved meta-data\n            // or captions.)\n            return;\n          } else if (this.remuxTracks) {\n            // Return until we have enough tracks from the pipeline to remux (if we\n            // are remuxing audio and video into a single MP4)\n            return;\n          } else if (this.pendingTracks.length === 0) {\n            // In the case where we receive a flush without any data having been\n            // received we consider it an emitted track for the purposes of coalescing\n            // `done` events.\n            // We do this for the case where there is an audio and video track in the\n            // segment but no audio data. (seen in several playlists with alternate\n            // audio tracks and no audio present in the main TS segments.)\n            this.emittedTracks++;\n\n            if (this.emittedTracks >= this.numberOfTracks) {\n              this.trigger('done');\n              this.emittedTracks = 0;\n            }\n\n            return;\n          }\n        }\n\n        if (this.videoTrack) {\n          timelineStartPts = this.videoTrack.timelineStartInfo.pts;\n          VIDEO_PROPERTIES.forEach(function (prop) {\n            event.info[prop] = this.videoTrack[prop];\n          }, this);\n        } else if (this.audioTrack) {\n          timelineStartPts = this.audioTrack.timelineStartInfo.pts;\n          AUDIO_PROPERTIES.forEach(function (prop) {\n            event.info[prop] = this.audioTrack[prop];\n          }, this);\n        }\n\n        if (this.videoTrack || this.audioTrack) {\n          if (this.pendingTracks.length === 1) {\n            event.type = this.pendingTracks[0].type;\n          } else {\n            event.type = 'combined';\n          }\n\n          this.emittedTracks += this.pendingTracks.length;\n          initSegment = mp4Generator.initSegment(this.pendingTracks); // Create a new typed array to hold the init segment\n\n          event.initSegment = new Uint8Array(initSegment.byteLength); // Create an init segment containing a moov\n          // and track definitions\n\n          event.initSegment.set(initSegment); // Create a new typed array to hold the moof+mdats\n\n          event.data = new Uint8Array(this.pendingBytes); // Append each moof+mdat (one per track) together\n\n          for (i = 0; i < this.pendingBoxes.length; i++) {\n            event.data.set(this.pendingBoxes[i], offset);\n            offset += this.pendingBoxes[i].byteLength;\n          } // Translate caption PTS times into second offsets to match the\n          // video timeline for the segment, and add track info\n\n\n          for (i = 0; i < this.pendingCaptions.length; i++) {\n            caption = this.pendingCaptions[i];\n            caption.startTime = clock.metadataTsToSeconds(caption.startPts, timelineStartPts, this.keepOriginalTimestamps);\n            caption.endTime = clock.metadataTsToSeconds(caption.endPts, timelineStartPts, this.keepOriginalTimestamps);\n            event.captionStreams[caption.stream] = true;\n            event.captions.push(caption);\n          } // Translate ID3 frame PTS times into second offsets to match the\n          // video timeline for the segment\n\n\n          for (i = 0; i < this.pendingMetadata.length; i++) {\n            id3 = this.pendingMetadata[i];\n            id3.cueTime = clock.metadataTsToSeconds(id3.pts, timelineStartPts, this.keepOriginalTimestamps);\n            event.metadata.push(id3);\n          } // We add this to every single emitted segment even though we only need\n          // it for the first\n\n\n          event.metadata.dispatchType = this.metadataStream.dispatchType; // Reset stream state\n\n          this.pendingTracks.length = 0;\n          this.videoTrack = null;\n          this.pendingBoxes.length = 0;\n          this.pendingCaptions.length = 0;\n          this.pendingBytes = 0;\n          this.pendingMetadata.length = 0; // Emit the built segment\n          // We include captions and ID3 tags for backwards compatibility,\n          // ideally we should send only video and audio in the data event\n\n          this.trigger('data', event); // Emit each caption to the outside world\n          // Ideally, this would happen immediately on parsing captions,\n          // but we need to ensure that video data is sent back first\n          // so that caption timing can be adjusted to match video timing\n\n          for (i = 0; i < event.captions.length; i++) {\n            caption = event.captions[i];\n            this.trigger('caption', caption);\n          } // Emit each id3 tag to the outside world\n          // Ideally, this would happen immediately on parsing the tag,\n          // but we need to ensure that video data is sent back first\n          // so that ID3 frame timing can be adjusted to match video timing\n\n\n          for (i = 0; i < event.metadata.length; i++) {\n            id3 = event.metadata[i];\n            this.trigger('id3Frame', id3);\n          }\n        } // Only emit `done` if all tracks have been flushed and emitted\n\n\n        if (this.emittedTracks >= this.numberOfTracks) {\n          this.trigger('done');\n          this.emittedTracks = 0;\n        }\n      };\n\n      _CoalesceStream.prototype.setRemux = function (val) {\n        this.remuxTracks = val;\n      };\n      /**\n       * A Stream that expects MP2T binary data as input and produces\n       * corresponding media segments, suitable for use with Media Source\n       * Extension (MSE) implementations that support the ISO BMFF byte\n       * stream format, like Chrome.\n       */\n\n\n      _Transmuxer = function Transmuxer(options) {\n        var self = this,\n            hasFlushed = true,\n            videoTrack,\n            audioTrack;\n\n        _Transmuxer.prototype.init.call(this);\n\n        options = options || {};\n        this.baseMediaDecodeTime = options.baseMediaDecodeTime || 0;\n        this.transmuxPipeline_ = {};\n\n        this.setupAacPipeline = function () {\n          var pipeline = {};\n          this.transmuxPipeline_ = pipeline;\n          pipeline.type = 'aac';\n          pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline\n\n          pipeline.aacStream = new aac();\n          pipeline.audioTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('audio');\n          pipeline.timedMetadataTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('timed-metadata');\n          pipeline.adtsStream = new adts();\n          pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);\n          pipeline.headOfPipeline = pipeline.aacStream;\n          pipeline.aacStream.pipe(pipeline.audioTimestampRolloverStream).pipe(pipeline.adtsStream);\n          pipeline.aacStream.pipe(pipeline.timedMetadataTimestampRolloverStream).pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream);\n          pipeline.metadataStream.on('timestamp', function (frame) {\n            pipeline.aacStream.setTimestamp(frame.timeStamp);\n          });\n          pipeline.aacStream.on('data', function (data) {\n            if (data.type === 'timed-metadata' && !pipeline.audioSegmentStream) {\n              audioTrack = audioTrack || {\n                timelineStartInfo: {\n                  baseMediaDecodeTime: self.baseMediaDecodeTime\n                },\n                codec: 'adts',\n                type: 'audio'\n              }; // hook up the audio segment stream to the first track with aac data\n\n              pipeline.coalesceStream.numberOfTracks++;\n              pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);\n              pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline\n\n              pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);\n            } // emit pmt info\n\n\n            self.trigger('trackinfo', {\n              hasAudio: !!audioTrack,\n              hasVideo: !!videoTrack\n            });\n          }); // Re-emit any data coming from the coalesce stream to the outside world\n\n          pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data')); // Let the consumer know we have finished flushing the entire pipeline\n\n          pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));\n        };\n\n        this.setupTsPipeline = function () {\n          var pipeline = {};\n          this.transmuxPipeline_ = pipeline;\n          pipeline.type = 'ts';\n          pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline\n\n          pipeline.packetStream = new m2ts_1.TransportPacketStream();\n          pipeline.parseStream = new m2ts_1.TransportParseStream();\n          pipeline.elementaryStream = new m2ts_1.ElementaryStream();\n          pipeline.timestampRolloverStream = new m2ts_1.TimestampRolloverStream();\n          pipeline.adtsStream = new adts();\n          pipeline.h264Stream = new H264Stream();\n          pipeline.captionStream = new m2ts_1.CaptionStream();\n          pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);\n          pipeline.headOfPipeline = pipeline.packetStream; // disassemble MPEG2-TS packets into elementary streams\n\n          pipeline.packetStream.pipe(pipeline.parseStream).pipe(pipeline.elementaryStream).pipe(pipeline.timestampRolloverStream); // !!THIS ORDER IS IMPORTANT!!\n          // demux the streams\n\n          pipeline.timestampRolloverStream.pipe(pipeline.h264Stream);\n          pipeline.timestampRolloverStream.pipe(pipeline.adtsStream);\n          pipeline.timestampRolloverStream.pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream); // Hook up CEA-608/708 caption stream\n\n          pipeline.h264Stream.pipe(pipeline.captionStream).pipe(pipeline.coalesceStream);\n          pipeline.elementaryStream.on('data', function (data) {\n            var i;\n\n            if (data.type === 'metadata') {\n              i = data.tracks.length; // scan the tracks listed in the metadata\n\n              while (i--) {\n                if (!videoTrack && data.tracks[i].type === 'video') {\n                  videoTrack = data.tracks[i];\n                  videoTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;\n                } else if (!audioTrack && data.tracks[i].type === 'audio') {\n                  audioTrack = data.tracks[i];\n                  audioTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;\n                }\n              } // hook up the video segment stream to the first track with h264 data\n\n\n              if (videoTrack && !pipeline.videoSegmentStream) {\n                pipeline.coalesceStream.numberOfTracks++;\n                pipeline.videoSegmentStream = new _VideoSegmentStream(videoTrack, options);\n                pipeline.videoSegmentStream.on('timelineStartInfo', function (timelineStartInfo) {\n                  // When video emits timelineStartInfo data after a flush, we forward that\n                  // info to the AudioSegmentStream, if it exists, because video timeline\n                  // data takes precedence.\n                  if (audioTrack) {\n                    audioTrack.timelineStartInfo = timelineStartInfo; // On the first segment we trim AAC frames that exist before the\n                    // very earliest DTS we have seen in video because Chrome will\n                    // interpret any video track with a baseMediaDecodeTime that is\n                    // non-zero as a gap.\n\n                    pipeline.audioSegmentStream.setEarliestDts(timelineStartInfo.dts);\n                  }\n                });\n                pipeline.videoSegmentStream.on('processedGopsInfo', self.trigger.bind(self, 'gopInfo'));\n                pipeline.videoSegmentStream.on('segmentTimingInfo', self.trigger.bind(self, 'videoSegmentTimingInfo'));\n                pipeline.videoSegmentStream.on('baseMediaDecodeTime', function (baseMediaDecodeTime) {\n                  if (audioTrack) {\n                    pipeline.audioSegmentStream.setVideoBaseMediaDecodeTime(baseMediaDecodeTime);\n                  }\n                });\n                pipeline.videoSegmentStream.on('timingInfo', self.trigger.bind(self, 'videoTimingInfo')); // Set up the final part of the video pipeline\n\n                pipeline.h264Stream.pipe(pipeline.videoSegmentStream).pipe(pipeline.coalesceStream);\n              }\n\n              if (audioTrack && !pipeline.audioSegmentStream) {\n                // hook up the audio segment stream to the first track with aac data\n                pipeline.coalesceStream.numberOfTracks++;\n                pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);\n                pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline\n\n                pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);\n              } // emit pmt info\n\n\n              self.trigger('trackinfo', {\n                hasAudio: !!audioTrack,\n                hasVideo: !!videoTrack\n              });\n            }\n          }); // Re-emit any data coming from the coalesce stream to the outside world\n\n          pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data'));\n          pipeline.coalesceStream.on('id3Frame', function (id3Frame) {\n            id3Frame.dispatchType = pipeline.metadataStream.dispatchType;\n            self.trigger('id3Frame', id3Frame);\n          });\n          pipeline.coalesceStream.on('caption', this.trigger.bind(this, 'caption')); // Let the consumer know we have finished flushing the entire pipeline\n\n          pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));\n        }; // hook up the segment streams once track metadata is delivered\n\n\n        this.setBaseMediaDecodeTime = function (baseMediaDecodeTime) {\n          var pipeline = this.transmuxPipeline_;\n\n          if (!options.keepOriginalTimestamps) {\n            this.baseMediaDecodeTime = baseMediaDecodeTime;\n          }\n\n          if (audioTrack) {\n            audioTrack.timelineStartInfo.dts = undefined;\n            audioTrack.timelineStartInfo.pts = undefined;\n            trackDecodeInfo.clearDtsInfo(audioTrack);\n\n            if (!options.keepOriginalTimestamps) {\n              audioTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;\n            }\n\n            if (pipeline.audioTimestampRolloverStream) {\n              pipeline.audioTimestampRolloverStream.discontinuity();\n            }\n          }\n\n          if (videoTrack) {\n            if (pipeline.videoSegmentStream) {\n              pipeline.videoSegmentStream.gopCache_ = [];\n            }\n\n            videoTrack.timelineStartInfo.dts = undefined;\n            videoTrack.timelineStartInfo.pts = undefined;\n            trackDecodeInfo.clearDtsInfo(videoTrack);\n            pipeline.captionStream.reset();\n\n            if (!options.keepOriginalTimestamps) {\n              videoTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;\n            }\n          }\n\n          if (pipeline.timestampRolloverStream) {\n            pipeline.timestampRolloverStream.discontinuity();\n          }\n        };\n\n        this.setAudioAppendStart = function (timestamp) {\n          if (audioTrack) {\n            this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(timestamp);\n          }\n        };\n\n        this.setRemux = function (val) {\n          var pipeline = this.transmuxPipeline_;\n          options.remux = val;\n\n          if (pipeline && pipeline.coalesceStream) {\n            pipeline.coalesceStream.setRemux(val);\n          }\n        };\n\n        this.alignGopsWith = function (gopsToAlignWith) {\n          if (videoTrack && this.transmuxPipeline_.videoSegmentStream) {\n            this.transmuxPipeline_.videoSegmentStream.alignGopsWith(gopsToAlignWith);\n          }\n        }; // feed incoming data to the front of the parsing pipeline\n\n\n        this.push = function (data) {\n          if (hasFlushed) {\n            var isAac = isLikelyAacData$1(data);\n\n            if (isAac && this.transmuxPipeline_.type !== 'aac') {\n              this.setupAacPipeline();\n            } else if (!isAac && this.transmuxPipeline_.type !== 'ts') {\n              this.setupTsPipeline();\n            }\n\n            hasFlushed = false;\n          }\n\n          this.transmuxPipeline_.headOfPipeline.push(data);\n        }; // flush any buffered data\n\n\n        this.flush = function () {\n          hasFlushed = true; // Start at the top of the pipeline and flush all pending work\n\n          this.transmuxPipeline_.headOfPipeline.flush();\n        };\n\n        this.endTimeline = function () {\n          this.transmuxPipeline_.headOfPipeline.endTimeline();\n        };\n\n        this.reset = function () {\n          if (this.transmuxPipeline_.headOfPipeline) {\n            this.transmuxPipeline_.headOfPipeline.reset();\n          }\n        }; // Caption data has to be reset when seeking outside buffered range\n\n\n        this.resetCaptions = function () {\n          if (this.transmuxPipeline_.captionStream) {\n            this.transmuxPipeline_.captionStream.reset();\n          }\n        };\n      };\n\n      _Transmuxer.prototype = new stream();\n      var transmuxer = {\n        Transmuxer: _Transmuxer,\n        VideoSegmentStream: _VideoSegmentStream,\n        AudioSegmentStream: _AudioSegmentStream,\n        AUDIO_PROPERTIES: AUDIO_PROPERTIES,\n        VIDEO_PROPERTIES: VIDEO_PROPERTIES,\n        // exported for testing\n        generateVideoSegmentTimingInfo: generateVideoSegmentTimingInfo\n      };\n\n      var classCallCheck = function classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n          throw new TypeError(\"Cannot call a class as a function\");\n        }\n      };\n\n      var createClass = function () {\n        function defineProperties(target, props) {\n          for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n          }\n        }\n\n        return function (Constructor, protoProps, staticProps) {\n          if (protoProps) defineProperties(Constructor.prototype, protoProps);\n          if (staticProps) defineProperties(Constructor, staticProps);\n          return Constructor;\n        };\n      }();\n      /**\n       * @file transmuxer-worker.js\n       */\n\n      /**\n       * Re-emits transmuxer events by converting them into messages to the\n       * world outside the worker.\n       *\n       * @param {Object} transmuxer the transmuxer to wire events on\n       * @private\n       */\n\n\n      var wireTransmuxerEvents = function wireTransmuxerEvents(self, transmuxer$$1) {\n        transmuxer$$1.on('data', function (segment) {\n          // transfer ownership of the underlying ArrayBuffer\n          // instead of doing a copy to save memory\n          // ArrayBuffers are transferable but generic TypedArrays are not\n          // @link https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers#Passing_data_by_transferring_ownership_(transferable_objects)\n          var initArray = segment.initSegment;\n          segment.initSegment = {\n            data: initArray.buffer,\n            byteOffset: initArray.byteOffset,\n            byteLength: initArray.byteLength\n          };\n          var typedArray = segment.data;\n          segment.data = typedArray.buffer;\n          self.postMessage({\n            action: 'data',\n            segment: segment,\n            byteOffset: typedArray.byteOffset,\n            byteLength: typedArray.byteLength\n          }, [segment.data]);\n        });\n\n        if (transmuxer$$1.captionStream) {\n          transmuxer$$1.captionStream.on('data', function (caption) {\n            self.postMessage({\n              action: 'caption',\n              data: caption\n            });\n          });\n        }\n\n        transmuxer$$1.on('done', function (data) {\n          self.postMessage({\n            action: 'done'\n          });\n        });\n        transmuxer$$1.on('gopInfo', function (gopInfo) {\n          self.postMessage({\n            action: 'gopInfo',\n            gopInfo: gopInfo\n          });\n        });\n        transmuxer$$1.on('videoSegmentTimingInfo', function (videoSegmentTimingInfo) {\n          self.postMessage({\n            action: 'videoSegmentTimingInfo',\n            videoSegmentTimingInfo: videoSegmentTimingInfo\n          });\n        });\n      };\n      /**\n       * All incoming messages route through this hash. If no function exists\n       * to handle an incoming message, then we ignore the message.\n       *\n       * @class MessageHandlers\n       * @param {Object} options the options to initialize with\n       */\n\n\n      var MessageHandlers = function () {\n        function MessageHandlers(self, options) {\n          classCallCheck(this, MessageHandlers);\n          this.options = options || {};\n          this.self = self;\n          this.init();\n        }\n        /**\n         * initialize our web worker and wire all the events.\n         */\n\n\n        createClass(MessageHandlers, [{\n          key: 'init',\n          value: function init() {\n            if (this.transmuxer) {\n              this.transmuxer.dispose();\n            }\n\n            this.transmuxer = new transmuxer.Transmuxer(this.options);\n            wireTransmuxerEvents(this.self, this.transmuxer);\n          }\n          /**\n           * Adds data (a ts segment) to the start of the transmuxer pipeline for\n           * processing.\n           *\n           * @param {ArrayBuffer} data data to push into the muxer\n           */\n\n        }, {\n          key: 'push',\n          value: function push(data) {\n            // Cast array buffer to correct type for transmuxer\n            var segment = new Uint8Array(data.data, data.byteOffset, data.byteLength);\n            this.transmuxer.push(segment);\n          }\n          /**\n           * Recreate the transmuxer so that the next segment added via `push`\n           * start with a fresh transmuxer.\n           */\n\n        }, {\n          key: 'reset',\n          value: function reset() {\n            this.init();\n          }\n          /**\n           * Set the value that will be used as the `baseMediaDecodeTime` time for the\n           * next segment pushed in. Subsequent segments will have their `baseMediaDecodeTime`\n           * set relative to the first based on the PTS values.\n           *\n           * @param {Object} data used to set the timestamp offset in the muxer\n           */\n\n        }, {\n          key: 'setTimestampOffset',\n          value: function setTimestampOffset(data) {\n            var timestampOffset = data.timestampOffset || 0;\n            this.transmuxer.setBaseMediaDecodeTime(Math.round(timestampOffset * 90000));\n          }\n        }, {\n          key: 'setAudioAppendStart',\n          value: function setAudioAppendStart(data) {\n            this.transmuxer.setAudioAppendStart(Math.ceil(data.appendStart * 90000));\n          }\n          /**\n           * Forces the pipeline to finish processing the last segment and emit it's\n           * results.\n           *\n           * @param {Object} data event data, not really used\n           */\n\n        }, {\n          key: 'flush',\n          value: function flush(data) {\n            this.transmuxer.flush();\n          }\n        }, {\n          key: 'resetCaptions',\n          value: function resetCaptions() {\n            this.transmuxer.resetCaptions();\n          }\n        }, {\n          key: 'alignGopsWith',\n          value: function alignGopsWith(data) {\n            this.transmuxer.alignGopsWith(data.gopsToAlignWith.slice());\n          }\n        }]);\n        return MessageHandlers;\n      }();\n      /**\n       * Our web wroker interface so that things can talk to mux.js\n       * that will be running in a web worker. the scope is passed to this by\n       * webworkify.\n       *\n       * @param {Object} self the scope for the web worker\n       */\n\n\n      var TransmuxerWorker = function TransmuxerWorker(self) {\n        self.onmessage = function (event) {\n          if (event.data.action === 'init' && event.data.options) {\n            this.messageHandlers = new MessageHandlers(self, event.data.options);\n            return;\n          }\n\n          if (!this.messageHandlers) {\n            this.messageHandlers = new MessageHandlers(self);\n          }\n\n          if (event.data && event.data.action && event.data.action !== 'init') {\n            if (this.messageHandlers[event.data.action]) {\n              this.messageHandlers[event.data.action](event.data);\n            }\n          }\n        };\n      };\n\n      var transmuxerWorker = new TransmuxerWorker(self);\n      return transmuxerWorker;\n    }();\n  });\n  /**\n   * @file - codecs.js - Handles tasks regarding codec strings such as translating them to\n   * codec strings, or translating codec strings into objects that can be examined.\n   */\n  // Default codec parameters if none were provided for video and/or audio\n\n  var defaultCodecs = {\n    videoCodec: 'avc1',\n    videoObjectTypeIndicator: '.4d400d',\n    // AAC-LC\n    audioProfile: '2'\n  };\n  /**\n   * Replace the old apple-style `avc1.<dd>.<dd>` codec string with the standard\n   * `avc1.<hhhhhh>`\n   *\n   * @param {Array} codecs an array of codec strings to fix\n   * @return {Array} the translated codec array\n   * @private\n   */\n\n  var translateLegacyCodecs = function translateLegacyCodecs(codecs) {\n    return codecs.map(function (codec) {\n      return codec.replace(/avc1\\.(\\d+)\\.(\\d+)/i, function (orig, profile, avcLevel) {\n        var profileHex = ('00' + Number(profile).toString(16)).slice(-2);\n        var avcLevelHex = ('00' + Number(avcLevel).toString(16)).slice(-2);\n        return 'avc1.' + profileHex + '00' + avcLevelHex;\n      });\n    });\n  };\n  /**\n   * Parses a codec string to retrieve the number of codecs specified,\n   * the video codec and object type indicator, and the audio profile.\n   */\n\n\n  var parseCodecs = function parseCodecs() {\n    var codecs = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';\n    var result = {\n      codecCount: 0\n    };\n    var parsed = void 0;\n    result.codecCount = codecs.split(',').length;\n    result.codecCount = result.codecCount || 2; // parse the video codec\n\n    parsed = /(^|\\s|,)+(avc[13])([^ ,]*)/i.exec(codecs);\n\n    if (parsed) {\n      result.videoCodec = parsed[2];\n      result.videoObjectTypeIndicator = parsed[3];\n    } // parse the last field of the audio codec\n\n\n    result.audioProfile = /(^|\\s|,)+mp4a.[0-9A-Fa-f]+\\.([0-9A-Fa-f]+)/i.exec(codecs);\n    result.audioProfile = result.audioProfile && result.audioProfile[2];\n    return result;\n  };\n  /**\n   * Replace codecs in the codec string with the old apple-style `avc1.<dd>.<dd>` to the\n   * standard `avc1.<hhhhhh>`.\n   *\n   * @param codecString {String} the codec string\n   * @return {String} the codec string with old apple-style codecs replaced\n   *\n   * @private\n   */\n\n\n  var mapLegacyAvcCodecs = function mapLegacyAvcCodecs(codecString) {\n    return codecString.replace(/avc1\\.(\\d+)\\.(\\d+)/i, function (match) {\n      return translateLegacyCodecs([match])[0];\n    });\n  };\n  /**\n   * Build a media mime-type string from a set of parameters\n   * @param {String} type either 'audio' or 'video'\n   * @param {String} container either 'mp2t' or 'mp4'\n   * @param {Array} codecs an array of codec strings to add\n   * @return {String} a valid media mime-type\n   */\n\n\n  var makeMimeTypeString = function makeMimeTypeString(type, container, codecs) {\n    // The codecs array is filtered so that falsey values are\n    // dropped and don't cause Array#join to create spurious\n    // commas\n    return type + '/' + container + '; codecs=\"' + codecs.filter(function (c) {\n      return !!c;\n    }).join(', ') + '\"';\n  };\n  /**\n   * Returns the type container based on information in the playlist\n   * @param {Playlist} media the current media playlist\n   * @return {String} a valid media container type\n   */\n\n\n  var getContainerType = function getContainerType(media) {\n    // An initialization segment means the media playlist is an iframe\n    // playlist or is using the mp4 container. We don't currently\n    // support iframe playlists, so assume this is signalling mp4\n    // fragments.\n    if (media.segments && media.segments.length && media.segments[0].map) {\n      return 'mp4';\n    }\n\n    return 'mp2t';\n  };\n  /**\n   * Returns a set of codec strings parsed from the playlist or the default\n   * codec strings if no codecs were specified in the playlist\n   * @param {Playlist} media the current media playlist\n   * @return {Object} an object with the video and audio codecs\n   */\n\n\n  var getCodecs = function getCodecs(media) {\n    // if the codecs were explicitly specified, use them instead of the\n    // defaults\n    var mediaAttributes = media.attributes || {};\n\n    if (mediaAttributes.CODECS) {\n      return parseCodecs(mediaAttributes.CODECS);\n    }\n\n    return defaultCodecs;\n  };\n\n  var audioProfileFromDefault = function audioProfileFromDefault(master, audioGroupId) {\n    if (!master.mediaGroups.AUDIO || !audioGroupId) {\n      return null;\n    }\n\n    var audioGroup = master.mediaGroups.AUDIO[audioGroupId];\n\n    if (!audioGroup) {\n      return null;\n    }\n\n    for (var name in audioGroup) {\n      var audioType = audioGroup[name];\n\n      if (audioType[\"default\"] && audioType.playlists) {\n        // codec should be the same for all playlists within the audio type\n        return parseCodecs(audioType.playlists[0].attributes.CODECS).audioProfile;\n      }\n    }\n\n    return null;\n  };\n  /**\n   * Calculates the MIME type strings for a working configuration of\n   * SourceBuffers to play variant streams in a master playlist. If\n   * there is no possible working configuration, an empty array will be\n   * returned.\n   *\n   * @param master {Object} the m3u8 object for the master playlist\n   * @param media {Object} the m3u8 object for the variant playlist\n   * @return {Array} the MIME type strings. If the array has more than\n   * one entry, the first element should be applied to the video\n   * SourceBuffer and the second to the audio SourceBuffer.\n   *\n   * @private\n   */\n\n\n  var mimeTypesForPlaylist = function mimeTypesForPlaylist(master, media) {\n    var containerType = getContainerType(media);\n    var codecInfo = getCodecs(media);\n    var mediaAttributes = media.attributes || {}; // Default condition for a traditional HLS (no demuxed audio/video)\n\n    var isMuxed = true;\n    var isMaat = false;\n\n    if (!media) {\n      // Not enough information\n      return [];\n    }\n\n    if (master.mediaGroups.AUDIO && mediaAttributes.AUDIO) {\n      var audioGroup = master.mediaGroups.AUDIO[mediaAttributes.AUDIO]; // Handle the case where we are in a multiple-audio track scenario\n\n      if (audioGroup) {\n        isMaat = true; // Start with the everything demuxed then...\n\n        isMuxed = false; // ...check to see if any audio group tracks are muxed (ie. lacking a uri)\n\n        for (var groupId in audioGroup) {\n          // either a uri is present (if the case of HLS and an external playlist), or\n          // playlists is present (in the case of DASH where we don't have external audio\n          // playlists)\n          if (!audioGroup[groupId].uri && !audioGroup[groupId].playlists) {\n            isMuxed = true;\n            break;\n          }\n        }\n      }\n    } // HLS with multiple-audio tracks must always get an audio codec.\n    // Put another way, there is no way to have a video-only multiple-audio HLS!\n\n\n    if (isMaat && !codecInfo.audioProfile) {\n      if (!isMuxed) {\n        // It is possible for codecs to be specified on the audio media group playlist but\n        // not on the rendition playlist. This is mostly the case for DASH, where audio and\n        // video are always separate (and separately specified).\n        codecInfo.audioProfile = audioProfileFromDefault(master, mediaAttributes.AUDIO);\n      }\n\n      if (!codecInfo.audioProfile) {\n        videojs$1.log.warn('Multiple audio tracks present but no audio codec string is specified. ' + 'Attempting to use the default audio codec (mp4a.40.2)');\n        codecInfo.audioProfile = defaultCodecs.audioProfile;\n      }\n    } // Generate the final codec strings from the codec object generated above\n\n\n    var codecStrings = {};\n\n    if (codecInfo.videoCodec) {\n      codecStrings.video = '' + codecInfo.videoCodec + codecInfo.videoObjectTypeIndicator;\n    }\n\n    if (codecInfo.audioProfile) {\n      codecStrings.audio = 'mp4a.40.' + codecInfo.audioProfile;\n    } // Finally, make and return an array with proper mime-types depending on\n    // the configuration\n\n\n    var justAudio = makeMimeTypeString('audio', containerType, [codecStrings.audio]);\n    var justVideo = makeMimeTypeString('video', containerType, [codecStrings.video]);\n    var bothVideoAudio = makeMimeTypeString('video', containerType, [codecStrings.video, codecStrings.audio]);\n\n    if (isMaat) {\n      if (!isMuxed && codecStrings.video) {\n        return [justVideo, justAudio];\n      }\n\n      if (!isMuxed && !codecStrings.video) {\n        // There is no muxed content and no video codec string, so this is an audio only\n        // stream with alternate audio.\n        return [justAudio, justAudio];\n      } // There exists the possiblity that this will return a `video/container`\n      // mime-type for the first entry in the array even when there is only audio.\n      // This doesn't appear to be a problem and simplifies the code.\n\n\n      return [bothVideoAudio, justAudio];\n    } // If there is no video codec at all, always just return a single\n    // audio/<container> mime-type\n\n\n    if (!codecStrings.video) {\n      return [justAudio];\n    } // When not using separate audio media groups, audio and video is\n    // *always* muxed\n\n\n    return [bothVideoAudio];\n  };\n  /**\n   * Parse a content type header into a type and parameters\n   * object\n   *\n   * @param {String} type the content type header\n   * @return {Object} the parsed content-type\n   * @private\n   */\n\n\n  var parseContentType = function parseContentType(type) {\n    var object = {\n      type: '',\n      parameters: {}\n    };\n    var parameters = type.trim().split(';'); // first parameter should always be content-type\n\n    object.type = parameters.shift().trim();\n    parameters.forEach(function (parameter) {\n      var pair = parameter.trim().split('=');\n\n      if (pair.length > 1) {\n        var name = pair[0].replace(/\"/g, '').trim();\n        var value = pair[1].replace(/\"/g, '').trim();\n        object.parameters[name] = value;\n      }\n    });\n    return object;\n  };\n  /**\n   * Check if a codec string refers to an audio codec.\n   *\n   * @param {String} codec codec string to check\n   * @return {Boolean} if this is an audio codec\n   * @private\n   */\n\n\n  var isAudioCodec = function isAudioCodec(codec) {\n    return /mp4a\\.\\d+.\\d+/i.test(codec);\n  };\n  /**\n   * Check if a codec string refers to a video codec.\n   *\n   * @param {String} codec codec string to check\n   * @return {Boolean} if this is a video codec\n   * @private\n   */\n\n\n  var isVideoCodec = function isVideoCodec(codec) {\n    return /avc1\\.[\\da-f]+/i.test(codec);\n  };\n  /**\n   * Returns a list of gops in the buffer that have a pts value of 3 seconds or more in\n   * front of current time.\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Number} currentTime\n   *        The current time\n   * @param {Double} mapping\n   *        Offset to map display time to stream presentation time\n   * @return {Array}\n   *         List of gops considered safe to append over\n   */\n\n\n  var gopsSafeToAlignWith = function gopsSafeToAlignWith(buffer, currentTime, mapping) {\n    if (typeof currentTime === 'undefined' || currentTime === null || !buffer.length) {\n      return [];\n    } // pts value for current time + 3 seconds to give a bit more wiggle room\n\n\n    var currentTimePts = Math.ceil((currentTime - mapping + 3) * 90000);\n    var i = void 0;\n\n    for (i = 0; i < buffer.length; i++) {\n      if (buffer[i].pts > currentTimePts) {\n        break;\n      }\n    }\n\n    return buffer.slice(i);\n  };\n  /**\n   * Appends gop information (timing and byteLength) received by the transmuxer for the\n   * gops appended in the last call to appendBuffer\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Array} gops\n   *        List of new gop information\n   * @param {boolean} replace\n   *        If true, replace the buffer with the new gop information. If false, append the\n   *        new gop information to the buffer in the right location of time.\n   * @return {Array}\n   *         Updated list of gop information\n   */\n\n\n  var updateGopBuffer = function updateGopBuffer(buffer, gops, replace) {\n    if (!gops.length) {\n      return buffer;\n    }\n\n    if (replace) {\n      // If we are in safe append mode, then completely overwrite the gop buffer\n      // with the most recent appeneded data. This will make sure that when appending\n      // future segments, we only try to align with gops that are both ahead of current\n      // time and in the last segment appended.\n      return gops.slice();\n    }\n\n    var start = gops[0].pts;\n    var i = 0;\n\n    for (i; i < buffer.length; i++) {\n      if (buffer[i].pts >= start) {\n        break;\n      }\n    }\n\n    return buffer.slice(0, i).concat(gops);\n  };\n  /**\n   * Removes gop information in buffer that overlaps with provided start and end\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Double} start\n   *        position to start the remove at\n   * @param {Double} end\n   *        position to end the remove at\n   * @param {Double} mapping\n   *        Offset to map display time to stream presentation time\n   */\n\n\n  var removeGopBuffer = function removeGopBuffer(buffer, start, end, mapping) {\n    var startPts = Math.ceil((start - mapping) * 90000);\n    var endPts = Math.ceil((end - mapping) * 90000);\n    var updatedBuffer = buffer.slice();\n    var i = buffer.length;\n\n    while (i--) {\n      if (buffer[i].pts <= endPts) {\n        break;\n      }\n    }\n\n    if (i === -1) {\n      // no removal because end of remove range is before start of buffer\n      return updatedBuffer;\n    }\n\n    var j = i + 1;\n\n    while (j--) {\n      if (buffer[j].pts <= startPts) {\n        break;\n      }\n    } // clamp remove range start to 0 index\n\n\n    j = Math.max(j, 0);\n    updatedBuffer.splice(j, i - j + 1);\n    return updatedBuffer;\n  };\n\n  var buffered = function buffered(videoBuffer, audioBuffer, audioDisabled) {\n    var start = null;\n    var end = null;\n    var arity = 0;\n    var extents = [];\n    var ranges = []; // neither buffer has been created yet\n\n    if (!videoBuffer && !audioBuffer) {\n      return videojs$1.createTimeRange();\n    } // only one buffer is configured\n\n\n    if (!videoBuffer) {\n      return audioBuffer.buffered;\n    }\n\n    if (!audioBuffer) {\n      return videoBuffer.buffered;\n    } // both buffers are configured\n\n\n    if (audioDisabled) {\n      return videoBuffer.buffered;\n    } // both buffers are empty\n\n\n    if (videoBuffer.buffered.length === 0 && audioBuffer.buffered.length === 0) {\n      return videojs$1.createTimeRange();\n    } // Handle the case where we have both buffers and create an\n    // intersection of the two\n\n\n    var videoBuffered = videoBuffer.buffered;\n    var audioBuffered = audioBuffer.buffered;\n    var count = videoBuffered.length; // A) Gather up all start and end times\n\n    while (count--) {\n      extents.push({\n        time: videoBuffered.start(count),\n        type: 'start'\n      });\n      extents.push({\n        time: videoBuffered.end(count),\n        type: 'end'\n      });\n    }\n\n    count = audioBuffered.length;\n\n    while (count--) {\n      extents.push({\n        time: audioBuffered.start(count),\n        type: 'start'\n      });\n      extents.push({\n        time: audioBuffered.end(count),\n        type: 'end'\n      });\n    } // B) Sort them by time\n\n\n    extents.sort(function (a, b) {\n      return a.time - b.time;\n    }); // C) Go along one by one incrementing arity for start and decrementing\n    //    arity for ends\n\n    for (count = 0; count < extents.length; count++) {\n      if (extents[count].type === 'start') {\n        arity++; // D) If arity is ever incremented to 2 we are entering an\n        //    overlapping range\n\n        if (arity === 2) {\n          start = extents[count].time;\n        }\n      } else if (extents[count].type === 'end') {\n        arity--; // E) If arity is ever decremented to 1 we leaving an\n        //    overlapping range\n\n        if (arity === 1) {\n          end = extents[count].time;\n        }\n      } // F) Record overlapping ranges\n\n\n      if (start !== null && end !== null) {\n        ranges.push([start, end]);\n        start = null;\n        end = null;\n      }\n    }\n\n    return videojs$1.createTimeRanges(ranges);\n  };\n  /**\n   * @file virtual-source-buffer.js\n   */\n\n\n  var ONE_SECOND_IN_TS$2 = 90000; // We create a wrapper around the SourceBuffer so that we can manage the\n  // state of the `updating` property manually. We have to do this because\n  // Firefox changes `updating` to false long before triggering `updateend`\n  // events and that was causing strange problems in videojs-contrib-hls\n\n  var makeWrappedSourceBuffer = function makeWrappedSourceBuffer(mediaSource, mimeType) {\n    var sourceBuffer = mediaSource.addSourceBuffer(mimeType);\n    var wrapper = Object.create(null);\n    wrapper.updating = false;\n    wrapper.realBuffer_ = sourceBuffer;\n\n    var _loop = function _loop(key) {\n      if (typeof sourceBuffer[key] === 'function') {\n        wrapper[key] = function () {\n          return sourceBuffer[key].apply(sourceBuffer, arguments);\n        };\n      } else if (typeof wrapper[key] === 'undefined') {\n        Object.defineProperty(wrapper, key, {\n          get: function get$$1() {\n            return sourceBuffer[key];\n          },\n          set: function set$$1(v) {\n            return sourceBuffer[key] = v;\n          }\n        });\n      }\n    };\n\n    for (var key in sourceBuffer) {\n      _loop(key);\n    }\n\n    return wrapper;\n  };\n  /**\n   * VirtualSourceBuffers exist so that we can transmux non native formats\n   * into a native format, but keep the same api as a native source buffer.\n   * It creates a transmuxer, that works in its own thread (a web worker) and\n   * that transmuxer muxes the data into a native format. VirtualSourceBuffer will\n   * then send all of that data to the naive sourcebuffer so that it is\n   * indestinguishable from a natively supported format.\n   *\n   * @param {HtmlMediaSource} mediaSource the parent mediaSource\n   * @param {Array} codecs array of codecs that we will be dealing with\n   * @class VirtualSourceBuffer\n   * @extends video.js.EventTarget\n   */\n\n\n  var VirtualSourceBuffer = function (_videojs$EventTarget) {\n    inherits$2(VirtualSourceBuffer, _videojs$EventTarget);\n\n    function VirtualSourceBuffer(mediaSource, codecs) {\n      classCallCheck$1(this, VirtualSourceBuffer);\n\n      var _this = possibleConstructorReturn$1(this, (VirtualSourceBuffer.__proto__ || Object.getPrototypeOf(VirtualSourceBuffer)).call(this, videojs$1.EventTarget));\n\n      _this.timestampOffset_ = 0;\n      _this.pendingBuffers_ = [];\n      _this.bufferUpdating_ = false;\n      _this.mediaSource_ = mediaSource;\n      _this.codecs_ = codecs;\n      _this.audioCodec_ = null;\n      _this.videoCodec_ = null;\n      _this.audioDisabled_ = false;\n      _this.appendAudioInitSegment_ = true;\n      _this.gopBuffer_ = [];\n      _this.timeMapping_ = 0;\n      _this.safeAppend_ = videojs$1.browser.IE_VERSION >= 11;\n      var options = {\n        remux: false,\n        alignGopsAtEnd: _this.safeAppend_\n      };\n\n      _this.codecs_.forEach(function (codec) {\n        if (isAudioCodec(codec)) {\n          _this.audioCodec_ = codec;\n        } else if (isVideoCodec(codec)) {\n          _this.videoCodec_ = codec;\n        }\n      }); // append muxed segments to their respective native buffers as\n      // soon as they are available\n\n\n      _this.transmuxer_ = new TransmuxWorker();\n\n      _this.transmuxer_.postMessage({\n        action: 'init',\n        options: options\n      });\n\n      _this.transmuxer_.onmessage = function (event) {\n        if (event.data.action === 'data') {\n          return _this.data_(event);\n        }\n\n        if (event.data.action === 'done') {\n          return _this.done_(event);\n        }\n\n        if (event.data.action === 'gopInfo') {\n          return _this.appendGopInfo_(event);\n        }\n\n        if (event.data.action === 'videoSegmentTimingInfo') {\n          return _this.videoSegmentTimingInfo_(event.data.videoSegmentTimingInfo);\n        }\n      }; // this timestampOffset is a property with the side-effect of resetting\n      // baseMediaDecodeTime in the transmuxer on the setter\n\n\n      Object.defineProperty(_this, 'timestampOffset', {\n        get: function get$$1() {\n          return this.timestampOffset_;\n        },\n        set: function set$$1(val) {\n          if (typeof val === 'number' && val >= 0) {\n            this.timestampOffset_ = val;\n            this.appendAudioInitSegment_ = true; // reset gop buffer on timestampoffset as this signals a change in timeline\n\n            this.gopBuffer_.length = 0;\n            this.timeMapping_ = 0; // We have to tell the transmuxer to set the baseMediaDecodeTime to\n            // the desired timestampOffset for the next segment\n\n            this.transmuxer_.postMessage({\n              action: 'setTimestampOffset',\n              timestampOffset: val\n            });\n          }\n        }\n      }); // setting the append window affects both source buffers\n\n      Object.defineProperty(_this, 'appendWindowStart', {\n        get: function get$$1() {\n          return (this.videoBuffer_ || this.audioBuffer_).appendWindowStart;\n        },\n        set: function set$$1(start) {\n          if (this.videoBuffer_) {\n            this.videoBuffer_.appendWindowStart = start;\n          }\n\n          if (this.audioBuffer_) {\n            this.audioBuffer_.appendWindowStart = start;\n          }\n        }\n      }); // this buffer is \"updating\" if either of its native buffers are\n\n      Object.defineProperty(_this, 'updating', {\n        get: function get$$1() {\n          return !!(this.bufferUpdating_ || !this.audioDisabled_ && this.audioBuffer_ && this.audioBuffer_.updating || this.videoBuffer_ && this.videoBuffer_.updating);\n        }\n      }); // the buffered property is the intersection of the buffered\n      // ranges of the native source buffers\n\n      Object.defineProperty(_this, 'buffered', {\n        get: function get$$1() {\n          return buffered(this.videoBuffer_, this.audioBuffer_, this.audioDisabled_);\n        }\n      });\n      return _this;\n    }\n    /**\n     * When we get a data event from the transmuxer\n     * we call this function and handle the data that\n     * was sent to us\n     *\n     * @private\n     * @param {Event} event the data event from the transmuxer\n     */\n\n\n    createClass$1(VirtualSourceBuffer, [{\n      key: 'data_',\n      value: function data_(event) {\n        var segment = event.data.segment; // Cast ArrayBuffer to TypedArray\n\n        segment.data = new Uint8Array(segment.data, event.data.byteOffset, event.data.byteLength);\n        segment.initSegment = new Uint8Array(segment.initSegment.data, segment.initSegment.byteOffset, segment.initSegment.byteLength);\n        createTextTracksIfNecessary(this, this.mediaSource_, segment); // Add the segments to the pendingBuffers array\n\n        this.pendingBuffers_.push(segment);\n        return;\n      }\n      /**\n       * When we get a done event from the transmuxer\n       * we call this function and we process all\n       * of the pending data that we have been saving in the\n       * data_ function\n       *\n       * @private\n       * @param {Event} event the done event from the transmuxer\n       */\n\n    }, {\n      key: 'done_',\n      value: function done_(event) {\n        // Don't process and append data if the mediaSource is closed\n        if (this.mediaSource_.readyState === 'closed') {\n          this.pendingBuffers_.length = 0;\n          return;\n        } // All buffers should have been flushed from the muxer\n        // start processing anything we have received\n\n\n        this.processPendingSegments_();\n        return;\n      }\n    }, {\n      key: 'videoSegmentTimingInfo_',\n      value: function videoSegmentTimingInfo_(timingInfo) {\n        var timingInfoInSeconds = {\n          start: {\n            decode: timingInfo.start.dts / ONE_SECOND_IN_TS$2,\n            presentation: timingInfo.start.pts / ONE_SECOND_IN_TS$2\n          },\n          end: {\n            decode: timingInfo.end.dts / ONE_SECOND_IN_TS$2,\n            presentation: timingInfo.end.pts / ONE_SECOND_IN_TS$2\n          },\n          baseMediaDecodeTime: timingInfo.baseMediaDecodeTime / ONE_SECOND_IN_TS$2\n        };\n\n        if (timingInfo.prependedContentDuration) {\n          timingInfoInSeconds.prependedContentDuration = timingInfo.prependedContentDuration / ONE_SECOND_IN_TS$2;\n        }\n\n        this.trigger({\n          type: 'videoSegmentTimingInfo',\n          videoSegmentTimingInfo: timingInfoInSeconds\n        });\n      }\n      /**\n       * Create our internal native audio/video source buffers and add\n       * event handlers to them with the following conditions:\n       * 1. they do not already exist on the mediaSource\n       * 2. this VSB has a codec for them\n       *\n       * @private\n       */\n\n    }, {\n      key: 'createRealSourceBuffers_',\n      value: function createRealSourceBuffers_() {\n        var _this2 = this;\n\n        var types = ['audio', 'video'];\n        types.forEach(function (type) {\n          // Don't create a SourceBuffer of this type if we don't have a\n          // codec for it\n          if (!_this2[type + 'Codec_']) {\n            return;\n          } // Do nothing if a SourceBuffer of this type already exists\n\n\n          if (_this2[type + 'Buffer_']) {\n            return;\n          }\n\n          var buffer = null; // If the mediasource already has a SourceBuffer for the codec\n          // use that\n\n          if (_this2.mediaSource_[type + 'Buffer_']) {\n            buffer = _this2.mediaSource_[type + 'Buffer_']; // In multiple audio track cases, the audio source buffer is disabled\n            // on the main VirtualSourceBuffer by the HTMLMediaSource much earlier\n            // than createRealSourceBuffers_ is called to create the second\n            // VirtualSourceBuffer because that happens as a side-effect of\n            // videojs-contrib-hls starting the audioSegmentLoader. As a result,\n            // the audioBuffer is essentially \"ownerless\" and no one will toggle\n            // the `updating` state back to false once the `updateend` event is received\n            //\n            // Setting `updating` to false manually will work around this\n            // situation and allow work to continue\n\n            buffer.updating = false;\n          } else {\n            var codecProperty = type + 'Codec_';\n            var mimeType = type + '/mp4;codecs=\"' + _this2[codecProperty] + '\"';\n            buffer = makeWrappedSourceBuffer(_this2.mediaSource_.nativeMediaSource_, mimeType);\n            _this2.mediaSource_[type + 'Buffer_'] = buffer;\n          }\n\n          _this2[type + 'Buffer_'] = buffer; // Wire up the events to the SourceBuffer\n\n          ['update', 'updatestart', 'updateend'].forEach(function (event) {\n            buffer.addEventListener(event, function () {\n              // if audio is disabled\n              if (type === 'audio' && _this2.audioDisabled_) {\n                return;\n              }\n\n              if (event === 'updateend') {\n                _this2[type + 'Buffer_'].updating = false;\n              }\n\n              var shouldTrigger = types.every(function (t) {\n                // skip checking audio's updating status if audio\n                // is not enabled\n                if (t === 'audio' && _this2.audioDisabled_) {\n                  return true;\n                } // if the other type is updating we don't trigger\n\n\n                if (type !== t && _this2[t + 'Buffer_'] && _this2[t + 'Buffer_'].updating) {\n                  return false;\n                }\n\n                return true;\n              });\n\n              if (shouldTrigger) {\n                return _this2.trigger(event);\n              }\n            });\n          });\n        });\n      }\n      /**\n       * Emulate the native mediasource function, but our function will\n       * send all of the proposed segments to the transmuxer so that we\n       * can transmux them before we append them to our internal\n       * native source buffers in the correct format.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/appendBuffer\n       * @param {Uint8Array} segment the segment to append to the buffer\n       */\n\n    }, {\n      key: 'appendBuffer',\n      value: function appendBuffer(segment) {\n        // Start the internal \"updating\" state\n        this.bufferUpdating_ = true;\n\n        if (this.audioBuffer_ && this.audioBuffer_.buffered.length) {\n          var audioBuffered = this.audioBuffer_.buffered;\n          this.transmuxer_.postMessage({\n            action: 'setAudioAppendStart',\n            appendStart: audioBuffered.end(audioBuffered.length - 1)\n          });\n        }\n\n        if (this.videoBuffer_) {\n          this.transmuxer_.postMessage({\n            action: 'alignGopsWith',\n            gopsToAlignWith: gopsSafeToAlignWith(this.gopBuffer_, this.mediaSource_.player_ ? this.mediaSource_.player_.currentTime() : null, this.timeMapping_)\n          });\n        }\n\n        this.transmuxer_.postMessage({\n          action: 'push',\n          // Send the typed-array of data as an ArrayBuffer so that\n          // it can be sent as a \"Transferable\" and avoid the costly\n          // memory copy\n          data: segment.buffer,\n          // To recreate the original typed-array, we need information\n          // about what portion of the ArrayBuffer it was a view into\n          byteOffset: segment.byteOffset,\n          byteLength: segment.byteLength\n        }, [segment.buffer]);\n        this.transmuxer_.postMessage({\n          action: 'flush'\n        });\n      }\n      /**\n       * Appends gop information (timing and byteLength) received by the transmuxer for the\n       * gops appended in the last call to appendBuffer\n       *\n       * @param {Event} event\n       *        The gopInfo event from the transmuxer\n       * @param {Array} event.data.gopInfo\n       *        List of gop info to append\n       */\n\n    }, {\n      key: 'appendGopInfo_',\n      value: function appendGopInfo_(event) {\n        this.gopBuffer_ = updateGopBuffer(this.gopBuffer_, event.data.gopInfo, this.safeAppend_);\n      }\n      /**\n       * Emulate the native mediasource function and remove parts\n       * of the buffer from any of our internal buffers that exist\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/remove\n       * @param {Double} start position to start the remove at\n       * @param {Double} end position to end the remove at\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        if (this.videoBuffer_) {\n          this.videoBuffer_.updating = true;\n          this.videoBuffer_.remove(start, end);\n          this.gopBuffer_ = removeGopBuffer(this.gopBuffer_, start, end, this.timeMapping_);\n        }\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.audioBuffer_.updating = true;\n          this.audioBuffer_.remove(start, end);\n        } // Remove Metadata Cues (id3)\n\n\n        removeCuesFromTrack(start, end, this.metadataTrack_); // Remove Any Captions\n\n        if (this.inbandTextTracks_) {\n          for (var track in this.inbandTextTracks_) {\n            removeCuesFromTrack(start, end, this.inbandTextTracks_[track]);\n          }\n        }\n      }\n      /**\n       * Process any segments that the muxer has output\n       * Concatenate segments together based on type and append them into\n       * their respective sourceBuffers\n       *\n       * @private\n       */\n\n    }, {\n      key: 'processPendingSegments_',\n      value: function processPendingSegments_() {\n        var sortedSegments = {\n          video: {\n            segments: [],\n            bytes: 0\n          },\n          audio: {\n            segments: [],\n            bytes: 0\n          },\n          captions: [],\n          metadata: []\n        };\n\n        if (!this.pendingBuffers_.length) {\n          // We are no longer in the internal \"updating\" state\n          this.trigger('updateend');\n          this.bufferUpdating_ = false;\n          return;\n        } // Sort segments into separate video/audio arrays and\n        // keep track of their total byte lengths\n\n\n        sortedSegments = this.pendingBuffers_.reduce(function (segmentObj, segment) {\n          var type = segment.type;\n          var data = segment.data;\n          var initSegment = segment.initSegment;\n          segmentObj[type].segments.push(data);\n          segmentObj[type].bytes += data.byteLength;\n          segmentObj[type].initSegment = initSegment; // Gather any captions into a single array\n\n          if (segment.captions) {\n            segmentObj.captions = segmentObj.captions.concat(segment.captions);\n          }\n\n          if (segment.info) {\n            segmentObj[type].info = segment.info;\n          } // Gather any metadata into a single array\n\n\n          if (segment.metadata) {\n            segmentObj.metadata = segmentObj.metadata.concat(segment.metadata);\n          }\n\n          return segmentObj;\n        }, sortedSegments); // Create the real source buffers if they don't exist by now since we\n        // finally are sure what tracks are contained in the source\n\n        if (!this.videoBuffer_ && !this.audioBuffer_) {\n          // Remove any codecs that may have been specified by default but\n          // are no longer applicable now\n          if (sortedSegments.video.bytes === 0) {\n            this.videoCodec_ = null;\n          }\n\n          if (sortedSegments.audio.bytes === 0) {\n            this.audioCodec_ = null;\n          }\n\n          this.createRealSourceBuffers_();\n        }\n\n        if (sortedSegments.audio.info) {\n          this.mediaSource_.trigger({\n            type: 'audioinfo',\n            info: sortedSegments.audio.info\n          });\n        }\n\n        if (sortedSegments.video.info) {\n          this.mediaSource_.trigger({\n            type: 'videoinfo',\n            info: sortedSegments.video.info\n          });\n        }\n\n        if (this.appendAudioInitSegment_) {\n          if (!this.audioDisabled_ && this.audioBuffer_) {\n            sortedSegments.audio.segments.unshift(sortedSegments.audio.initSegment);\n            sortedSegments.audio.bytes += sortedSegments.audio.initSegment.byteLength;\n          }\n\n          this.appendAudioInitSegment_ = false;\n        }\n\n        var triggerUpdateend = false; // Merge multiple video and audio segments into one and append\n\n        if (this.videoBuffer_ && sortedSegments.video.bytes) {\n          sortedSegments.video.segments.unshift(sortedSegments.video.initSegment);\n          sortedSegments.video.bytes += sortedSegments.video.initSegment.byteLength;\n          this.concatAndAppendSegments_(sortedSegments.video, this.videoBuffer_);\n        } else if (this.videoBuffer_ && (this.audioDisabled_ || !this.audioBuffer_)) {\n          // The transmuxer did not return any bytes of video, meaning it was all trimmed\n          // for gop alignment. Since we have a video buffer and audio is disabled, updateend\n          // will never be triggered by this source buffer, which will cause contrib-hls\n          // to be stuck forever waiting for updateend. If audio is not disabled, updateend\n          // will be triggered by the audio buffer, which will be sent upwards since the video\n          // buffer will not be in an updating state.\n          triggerUpdateend = true;\n        } // Add text-track data for all\n\n\n        addTextTrackData(this, sortedSegments.captions, sortedSegments.metadata);\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.concatAndAppendSegments_(sortedSegments.audio, this.audioBuffer_);\n        }\n\n        this.pendingBuffers_.length = 0;\n\n        if (triggerUpdateend) {\n          this.trigger('updateend');\n        } // We are no longer in the internal \"updating\" state\n\n\n        this.bufferUpdating_ = false;\n      }\n      /**\n       * Combine all segments into a single Uint8Array and then append them\n       * to the destination buffer\n       *\n       * @param {Object} segmentObj\n       * @param {SourceBuffer} destinationBuffer native source buffer to append data to\n       * @private\n       */\n\n    }, {\n      key: 'concatAndAppendSegments_',\n      value: function concatAndAppendSegments_(segmentObj, destinationBuffer) {\n        var offset = 0;\n        var tempBuffer = void 0;\n\n        if (segmentObj.bytes) {\n          tempBuffer = new Uint8Array(segmentObj.bytes); // Combine the individual segments into one large typed-array\n\n          segmentObj.segments.forEach(function (segment) {\n            tempBuffer.set(segment, offset);\n            offset += segment.byteLength;\n          });\n\n          try {\n            destinationBuffer.updating = true;\n            destinationBuffer.appendBuffer(tempBuffer);\n          } catch (error) {\n            if (this.mediaSource_.player_) {\n              this.mediaSource_.player_.error({\n                code: -3,\n                type: 'APPEND_BUFFER_ERR',\n                message: error.message,\n                originalError: error\n              });\n            }\n          }\n        }\n      }\n      /**\n       * Emulate the native mediasource function. abort any soureBuffer\n       * actions and throw out any un-appended data.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/abort\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort() {\n        if (this.videoBuffer_) {\n          this.videoBuffer_.abort();\n        }\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.audioBuffer_.abort();\n        }\n\n        if (this.transmuxer_) {\n          this.transmuxer_.postMessage({\n            action: 'reset'\n          });\n        }\n\n        this.pendingBuffers_.length = 0;\n        this.bufferUpdating_ = false;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n      }\n    }]);\n    return VirtualSourceBuffer;\n  }(videojs$1.EventTarget);\n  /**\n   * @file html-media-source.js\n   */\n\n  /**\n   * Our MediaSource implementation in HTML, mimics native\n   * MediaSource where/if possible.\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource\n   * @class HtmlMediaSource\n   * @extends videojs.EventTarget\n   */\n\n\n  var HtmlMediaSource = function (_videojs$EventTarget) {\n    inherits$2(HtmlMediaSource, _videojs$EventTarget);\n\n    function HtmlMediaSource() {\n      classCallCheck$1(this, HtmlMediaSource);\n\n      var _this = possibleConstructorReturn$1(this, (HtmlMediaSource.__proto__ || Object.getPrototypeOf(HtmlMediaSource)).call(this));\n\n      var property = void 0;\n      _this.nativeMediaSource_ = new window$3.MediaSource(); // delegate to the native MediaSource's methods by default\n\n      for (property in _this.nativeMediaSource_) {\n        if (!(property in HtmlMediaSource.prototype) && typeof _this.nativeMediaSource_[property] === 'function') {\n          _this[property] = _this.nativeMediaSource_[property].bind(_this.nativeMediaSource_);\n        }\n      } // emulate `duration` and `seekable` until seeking can be\n      // handled uniformly for live streams\n      // see https://github.com/w3c/media-source/issues/5\n\n\n      _this.duration_ = NaN;\n      Object.defineProperty(_this, 'duration', {\n        get: function get$$1() {\n          if (this.duration_ === Infinity) {\n            return this.duration_;\n          }\n\n          return this.nativeMediaSource_.duration;\n        },\n        set: function set$$1(duration) {\n          this.duration_ = duration;\n\n          if (duration !== Infinity) {\n            this.nativeMediaSource_.duration = duration;\n            return;\n          }\n        }\n      });\n      Object.defineProperty(_this, 'seekable', {\n        get: function get$$1() {\n          if (this.duration_ === Infinity) {\n            return videojs$1.createTimeRanges([[0, this.nativeMediaSource_.duration]]);\n          }\n\n          return this.nativeMediaSource_.seekable;\n        }\n      });\n      Object.defineProperty(_this, 'readyState', {\n        get: function get$$1() {\n          return this.nativeMediaSource_.readyState;\n        }\n      });\n      Object.defineProperty(_this, 'activeSourceBuffers', {\n        get: function get$$1() {\n          return this.activeSourceBuffers_;\n        }\n      }); // the list of virtual and native SourceBuffers created by this\n      // MediaSource\n\n      _this.sourceBuffers = [];\n      _this.activeSourceBuffers_ = [];\n      /**\n       * update the list of active source buffers based upon various\n       * imformation from HLS and video.js\n       *\n       * @private\n       */\n\n      _this.updateActiveSourceBuffers_ = function () {\n        // Retain the reference but empty the array\n        _this.activeSourceBuffers_.length = 0; // If there is only one source buffer, then it will always be active and audio will\n        // be disabled based on the codec of the source buffer\n\n        if (_this.sourceBuffers.length === 1) {\n          var sourceBuffer = _this.sourceBuffers[0];\n          sourceBuffer.appendAudioInitSegment_ = true;\n          sourceBuffer.audioDisabled_ = !sourceBuffer.audioCodec_;\n\n          _this.activeSourceBuffers_.push(sourceBuffer);\n\n          return;\n        } // There are 2 source buffers, a combined (possibly video only) source buffer and\n        // and an audio only source buffer.\n        // By default, the audio in the combined virtual source buffer is enabled\n        // and the audio-only source buffer (if it exists) is disabled.\n\n\n        var disableCombined = false;\n        var disableAudioOnly = true; // TODO: maybe we can store the sourcebuffers on the track objects?\n        // safari may do something like this\n\n        for (var i = 0; i < _this.player_.audioTracks().length; i++) {\n          var track = _this.player_.audioTracks()[i];\n\n          if (track.enabled && track.kind !== 'main') {\n            // The enabled track is an alternate audio track so disable the audio in\n            // the combined source buffer and enable the audio-only source buffer.\n            disableCombined = true;\n            disableAudioOnly = false;\n            break;\n          }\n        }\n\n        _this.sourceBuffers.forEach(function (sourceBuffer, index) {\n          /* eslinst-disable */\n          // TODO once codecs are required, we can switch to using the codecs to determine\n          //      what stream is the video stream, rather than relying on videoTracks\n\n          /* eslinst-enable */\n          sourceBuffer.appendAudioInitSegment_ = true;\n\n          if (sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {\n            // combined\n            sourceBuffer.audioDisabled_ = disableCombined;\n          } else if (sourceBuffer.videoCodec_ && !sourceBuffer.audioCodec_) {\n            // If the \"combined\" source buffer is video only, then we do not want\n            // disable the audio-only source buffer (this is mostly for demuxed\n            // audio and video hls)\n            sourceBuffer.audioDisabled_ = true;\n            disableAudioOnly = false;\n          } else if (!sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {\n            // audio only\n            // In the case of audio only with alternate audio and disableAudioOnly is true\n            // this means we want to disable the audio on the alternate audio sourcebuffer\n            // but not the main \"combined\" source buffer. The \"combined\" source buffer is\n            // always at index 0, so this ensures audio won't be disabled in both source\n            // buffers.\n            sourceBuffer.audioDisabled_ = index ? disableAudioOnly : !disableAudioOnly;\n\n            if (sourceBuffer.audioDisabled_) {\n              return;\n            }\n          }\n\n          _this.activeSourceBuffers_.push(sourceBuffer);\n        });\n      };\n\n      _this.onPlayerMediachange_ = function () {\n        _this.sourceBuffers.forEach(function (sourceBuffer) {\n          sourceBuffer.appendAudioInitSegment_ = true;\n        });\n      };\n\n      _this.onHlsReset_ = function () {\n        _this.sourceBuffers.forEach(function (sourceBuffer) {\n          if (sourceBuffer.transmuxer_) {\n            sourceBuffer.transmuxer_.postMessage({\n              action: 'resetCaptions'\n            });\n          }\n        });\n      };\n\n      _this.onHlsSegmentTimeMapping_ = function (event) {\n        _this.sourceBuffers.forEach(function (buffer) {\n          return buffer.timeMapping_ = event.mapping;\n        });\n      }; // Re-emit MediaSource events on the polyfill\n\n\n      ['sourceopen', 'sourceclose', 'sourceended'].forEach(function (eventName) {\n        this.nativeMediaSource_.addEventListener(eventName, this.trigger.bind(this));\n      }, _this); // capture the associated player when the MediaSource is\n      // successfully attached\n\n      _this.on('sourceopen', function (event) {\n        // Get the player this MediaSource is attached to\n        var video = document.querySelector('[src=\"' + _this.url_ + '\"]');\n\n        if (!video) {\n          return;\n        }\n\n        _this.player_ = videojs$1(video.parentNode);\n\n        if (!_this.player_) {\n          return;\n        } // hls-reset is fired by videojs.Hls on to the tech after the main SegmentLoader\n        // resets its state and flushes the buffer\n\n\n        _this.player_.tech_.on('hls-reset', _this.onHlsReset_); // hls-segment-time-mapping is fired by videojs.Hls on to the tech after the main\n        // SegmentLoader inspects an MTS segment and has an accurate stream to display\n        // time mapping\n\n\n        _this.player_.tech_.on('hls-segment-time-mapping', _this.onHlsSegmentTimeMapping_);\n\n        if (_this.player_.audioTracks && _this.player_.audioTracks()) {\n          _this.player_.audioTracks().on('change', _this.updateActiveSourceBuffers_);\n\n          _this.player_.audioTracks().on('addtrack', _this.updateActiveSourceBuffers_);\n\n          _this.player_.audioTracks().on('removetrack', _this.updateActiveSourceBuffers_);\n        }\n\n        _this.player_.on('mediachange', _this.onPlayerMediachange_);\n      });\n\n      _this.on('sourceended', function (event) {\n        var duration = durationOfVideo(_this.duration);\n\n        for (var i = 0; i < _this.sourceBuffers.length; i++) {\n          var sourcebuffer = _this.sourceBuffers[i];\n          var cues = sourcebuffer.metadataTrack_ && sourcebuffer.metadataTrack_.cues;\n\n          if (cues && cues.length) {\n            cues[cues.length - 1].endTime = duration;\n          }\n        }\n      }); // explicitly terminate any WebWorkers that were created\n      // by SourceHandlers\n\n\n      _this.on('sourceclose', function (event) {\n        this.sourceBuffers.forEach(function (sourceBuffer) {\n          if (sourceBuffer.transmuxer_) {\n            sourceBuffer.transmuxer_.terminate();\n          }\n        });\n        this.sourceBuffers.length = 0;\n\n        if (!this.player_) {\n          return;\n        }\n\n        if (this.player_.audioTracks && this.player_.audioTracks()) {\n          this.player_.audioTracks().off('change', this.updateActiveSourceBuffers_);\n          this.player_.audioTracks().off('addtrack', this.updateActiveSourceBuffers_);\n          this.player_.audioTracks().off('removetrack', this.updateActiveSourceBuffers_);\n        } // We can only change this if the player hasn't been disposed of yet\n        // because `off` eventually tries to use the el_ property. If it has\n        // been disposed of, then don't worry about it because there are no\n        // event handlers left to unbind anyway\n\n\n        if (this.player_.el_) {\n          this.player_.off('mediachange', this.onPlayerMediachange_);\n        }\n\n        if (this.player_.tech_ && this.player_.tech_.el_) {\n          this.player_.tech_.off('hls-reset', this.onHlsReset_);\n          this.player_.tech_.off('hls-segment-time-mapping', this.onHlsSegmentTimeMapping_);\n        }\n      });\n\n      return _this;\n    }\n    /**\n     * Add a range that that can now be seeked to.\n     *\n     * @param {Double} start where to start the addition\n     * @param {Double} end where to end the addition\n     * @private\n     */\n\n\n    createClass$1(HtmlMediaSource, [{\n      key: 'addSeekableRange_',\n      value: function addSeekableRange_(start, end) {\n        var error = void 0;\n\n        if (this.duration !== Infinity) {\n          error = new Error('MediaSource.addSeekableRange() can only be invoked ' + 'when the duration is Infinity');\n          error.name = 'InvalidStateError';\n          error.code = 11;\n          throw error;\n        }\n\n        if (end > this.nativeMediaSource_.duration || isNaN(this.nativeMediaSource_.duration)) {\n          this.nativeMediaSource_.duration = end;\n        }\n      }\n      /**\n       * Add a source buffer to the media source.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/addSourceBuffer\n       * @param {String} type the content-type of the content\n       * @return {Object} the created source buffer\n       */\n\n    }, {\n      key: 'addSourceBuffer',\n      value: function addSourceBuffer(type) {\n        var buffer = void 0;\n        var parsedType = parseContentType(type); // Create a VirtualSourceBuffer to transmux MPEG-2 transport\n        // stream segments into fragmented MP4s\n\n        if (/^(video|audio)\\/mp2t$/i.test(parsedType.type)) {\n          var codecs = [];\n\n          if (parsedType.parameters && parsedType.parameters.codecs) {\n            codecs = parsedType.parameters.codecs.split(',');\n            codecs = translateLegacyCodecs(codecs);\n            codecs = codecs.filter(function (codec) {\n              return isAudioCodec(codec) || isVideoCodec(codec);\n            });\n          }\n\n          if (codecs.length === 0) {\n            codecs = ['avc1.4d400d', 'mp4a.40.2'];\n          }\n\n          buffer = new VirtualSourceBuffer(this, codecs);\n\n          if (this.sourceBuffers.length !== 0) {\n            // If another VirtualSourceBuffer already exists, then we are creating a\n            // SourceBuffer for an alternate audio track and therefore we know that\n            // the source has both an audio and video track.\n            // That means we should trigger the manual creation of the real\n            // SourceBuffers instead of waiting for the transmuxer to return data\n            this.sourceBuffers[0].createRealSourceBuffers_();\n            buffer.createRealSourceBuffers_(); // Automatically disable the audio on the first source buffer if\n            // a second source buffer is ever created\n\n            this.sourceBuffers[0].audioDisabled_ = true;\n          }\n        } else {\n          // delegate to the native implementation\n          buffer = this.nativeMediaSource_.addSourceBuffer(type);\n        }\n\n        this.sourceBuffers.push(buffer);\n        return buffer;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n        this.sourceBuffers.forEach(function (buffer) {\n          if (buffer.dispose) {\n            buffer.dispose();\n          }\n        });\n        this.sourceBuffers.length = 0;\n      }\n    }]);\n    return HtmlMediaSource;\n  }(videojs$1.EventTarget);\n  /**\n   * @file videojs-contrib-media-sources.js\n   */\n\n\n  var urlCount = 0; // ------------\n  // Media Source\n  // ------------\n  // store references to the media sources so they can be connected\n  // to a video element (a swf object)\n  // TODO: can we store this somewhere local to this module?\n\n  videojs$1.mediaSources = {};\n  /**\n   * Provide a method for a swf object to notify JS that a\n   * media source is now open.\n   *\n   * @param {String} msObjectURL string referencing the MSE Object URL\n   * @param {String} swfId the swf id\n   */\n\n  var open = function open(msObjectURL, swfId) {\n    var mediaSource = videojs$1.mediaSources[msObjectURL];\n\n    if (mediaSource) {\n      mediaSource.trigger({\n        type: 'sourceopen',\n        swfId: swfId\n      });\n    } else {\n      throw new Error('Media Source not found (Video.js)');\n    }\n  };\n  /**\n   * Check to see if the native MediaSource object exists and supports\n   * an MP4 container with both H.264 video and AAC-LC audio.\n   *\n   * @return {Boolean} if  native media sources are supported\n   */\n\n\n  var supportsNativeMediaSources = function supportsNativeMediaSources() {\n    return !!window$3.MediaSource && !!window$3.MediaSource.isTypeSupported && window$3.MediaSource.isTypeSupported('video/mp4;codecs=\"avc1.4d400d,mp4a.40.2\"');\n  };\n  /**\n   * An emulation of the MediaSource API so that we can support\n   * native and non-native functionality. returns an instance of\n   * HtmlMediaSource.\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/MediaSource\n   */\n\n\n  var MediaSource = function MediaSource() {\n    this.MediaSource = {\n      open: open,\n      supportsNativeMediaSources: supportsNativeMediaSources\n    };\n\n    if (supportsNativeMediaSources()) {\n      return new HtmlMediaSource();\n    }\n\n    throw new Error('Cannot use create a virtual MediaSource for this video');\n  };\n\n  MediaSource.open = open;\n  MediaSource.supportsNativeMediaSources = supportsNativeMediaSources;\n  /**\n   * A wrapper around the native URL for our MSE object\n   * implementation, this object is exposed under videojs.URL\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/URL\n   */\n\n  var URL$1 = {\n    /**\n     * A wrapper around the native createObjectURL for our objects.\n     * This function maps a native or emulated mediaSource to a blob\n     * url so that it can be loaded into video.js\n     *\n     * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL\n     * @param {MediaSource} object the object to create a blob url to\n     */\n    createObjectURL: function createObjectURL(object) {\n      var objectUrlPrefix = 'blob:vjs-media-source/';\n      var url = void 0; // use the native MediaSource to generate an object URL\n\n      if (object instanceof HtmlMediaSource) {\n        url = window$3.URL.createObjectURL(object.nativeMediaSource_);\n        object.url_ = url;\n        return url;\n      } // if the object isn't an emulated MediaSource, delegate to the\n      // native implementation\n\n\n      if (!(object instanceof HtmlMediaSource)) {\n        url = window$3.URL.createObjectURL(object);\n        object.url_ = url;\n        return url;\n      } // build a URL that can be used to map back to the emulated\n      // MediaSource\n\n\n      url = objectUrlPrefix + urlCount;\n      urlCount++; // setup the mapping back to object\n\n      videojs$1.mediaSources[url] = object;\n      return url;\n    }\n  };\n  videojs$1.MediaSource = MediaSource;\n  videojs$1.URL = URL$1;\n  var EventTarget$1$1 = videojs$1.EventTarget,\n      mergeOptions$2 = videojs$1.mergeOptions;\n  /**\n   * Returns a new master manifest that is the result of merging an updated master manifest\n   * into the original version.\n   *\n   * @param {Object} oldMaster\n   *        The old parsed mpd object\n   * @param {Object} newMaster\n   *        The updated parsed mpd object\n   * @return {Object}\n   *         A new object representing the original master manifest with the updated media\n   *         playlists merged in\n   */\n\n  var updateMaster$1 = function updateMaster$$1(oldMaster, newMaster) {\n    var noChanges = void 0;\n    var update = mergeOptions$2(oldMaster, {\n      // These are top level properties that can be updated\n      duration: newMaster.duration,\n      minimumUpdatePeriod: newMaster.minimumUpdatePeriod\n    }); // First update the playlists in playlist list\n\n    for (var i = 0; i < newMaster.playlists.length; i++) {\n      var playlistUpdate = updateMaster(update, newMaster.playlists[i]);\n\n      if (playlistUpdate) {\n        update = playlistUpdate;\n      } else {\n        noChanges = true;\n      }\n    } // Then update media group playlists\n\n\n    forEachMediaGroup(newMaster, function (properties, type, group, label) {\n      if (properties.playlists && properties.playlists.length) {\n        var id = properties.playlists[0].id;\n\n        var _playlistUpdate = updateMaster(update, properties.playlists[0]);\n\n        if (_playlistUpdate) {\n          update = _playlistUpdate; // update the playlist reference within media groups\n\n          update.mediaGroups[type][group][label].playlists[0] = update.playlists[id];\n          noChanges = false;\n        }\n      }\n    });\n\n    if (noChanges) {\n      return null;\n    }\n\n    return update;\n  };\n\n  var generateSidxKey = function generateSidxKey(sidxInfo) {\n    // should be non-inclusive\n    var sidxByteRangeEnd = sidxInfo.byterange.offset + sidxInfo.byterange.length - 1;\n    return sidxInfo.uri + '-' + sidxInfo.byterange.offset + '-' + sidxByteRangeEnd;\n  }; // SIDX should be equivalent if the URI and byteranges of the SIDX match.\n  // If the SIDXs have maps, the two maps should match,\n  // both `a` and `b` missing SIDXs is considered matching.\n  // If `a` or `b` but not both have a map, they aren't matching.\n\n\n  var equivalentSidx = function equivalentSidx(a, b) {\n    var neitherMap = Boolean(!a.map && !b.map);\n    var equivalentMap = neitherMap || Boolean(a.map && b.map && a.map.byterange.offset === b.map.byterange.offset && a.map.byterange.length === b.map.byterange.length);\n    return equivalentMap && a.uri === b.uri && a.byterange.offset === b.byterange.offset && a.byterange.length === b.byterange.length;\n  }; // exported for testing\n\n\n  var compareSidxEntry = function compareSidxEntry(playlists, oldSidxMapping) {\n    var newSidxMapping = {};\n\n    for (var id in playlists) {\n      var playlist = playlists[id];\n      var currentSidxInfo = playlist.sidx;\n\n      if (currentSidxInfo) {\n        var key = generateSidxKey(currentSidxInfo);\n\n        if (!oldSidxMapping[key]) {\n          break;\n        }\n\n        var savedSidxInfo = oldSidxMapping[key].sidxInfo;\n\n        if (equivalentSidx(savedSidxInfo, currentSidxInfo)) {\n          newSidxMapping[key] = oldSidxMapping[key];\n        }\n      }\n    }\n\n    return newSidxMapping;\n  };\n  /**\n   *  A function that filters out changed items as they need to be requested separately.\n   *\n   *  The method is exported for testing\n   *\n   *  @param {Object} masterXml the mpd XML\n   *  @param {string} srcUrl the mpd url\n   *  @param {Date} clientOffset a time difference between server and client (passed through and not used)\n   *  @param {Object} oldSidxMapping the SIDX to compare against\n   */\n\n\n  var filterChangedSidxMappings = function filterChangedSidxMappings(masterXml, srcUrl, clientOffset, oldSidxMapping) {\n    // Don't pass current sidx mapping\n    var master = parse(masterXml, {\n      manifestUri: srcUrl,\n      clientOffset: clientOffset\n    });\n    var videoSidx = compareSidxEntry(master.playlists, oldSidxMapping);\n    var mediaGroupSidx = videoSidx;\n    forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {\n      if (properties.playlists && properties.playlists.length) {\n        var playlists = properties.playlists;\n        mediaGroupSidx = mergeOptions$2(mediaGroupSidx, compareSidxEntry(playlists, oldSidxMapping));\n      }\n    });\n    return mediaGroupSidx;\n  }; // exported for testing\n\n\n  var requestSidx_ = function requestSidx_(sidxRange, playlist, xhr, options, finishProcessingFn) {\n    var sidxInfo = {\n      // resolve the segment URL relative to the playlist\n      uri: resolveManifestRedirect(options.handleManifestRedirects, sidxRange.resolvedUri),\n      // resolvedUri: sidxRange.resolvedUri,\n      byterange: sidxRange.byterange,\n      // the segment's playlist\n      playlist: playlist\n    };\n    var sidxRequestOptions = videojs$1.mergeOptions(sidxInfo, {\n      responseType: 'arraybuffer',\n      headers: segmentXhrHeaders(sidxInfo)\n    });\n    return xhr(sidxRequestOptions, finishProcessingFn);\n  };\n\n  var DashPlaylistLoader = function (_EventTarget) {\n    inherits$2(DashPlaylistLoader, _EventTarget); // DashPlaylistLoader must accept either a src url or a playlist because subsequent\n    // playlist loader setups from media groups will expect to be able to pass a playlist\n    // (since there aren't external URLs to media playlists with DASH)\n\n    function DashPlaylistLoader(srcUrlOrPlaylist, hls) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      var masterPlaylistLoader = arguments[3];\n      classCallCheck$1(this, DashPlaylistLoader);\n\n      var _this = possibleConstructorReturn$1(this, (DashPlaylistLoader.__proto__ || Object.getPrototypeOf(DashPlaylistLoader)).call(this));\n\n      var _options$withCredenti = options.withCredentials,\n          withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,\n          _options$handleManife = options.handleManifestRedirects,\n          handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;\n      _this.hls_ = hls;\n      _this.withCredentials = withCredentials;\n      _this.handleManifestRedirects = handleManifestRedirects;\n\n      if (!srcUrlOrPlaylist) {\n        throw new Error('A non-empty playlist URL or playlist is required');\n      } // event naming?\n\n\n      _this.on('minimumUpdatePeriod', function () {\n        _this.refreshXml_();\n      }); // live playlist staleness timeout\n\n\n      _this.on('mediaupdatetimeout', function () {\n        _this.refreshMedia_(_this.media().id);\n      });\n\n      _this.state = 'HAVE_NOTHING';\n      _this.loadedPlaylists_ = {}; // initialize the loader state\n      // The masterPlaylistLoader will be created with a string\n\n      if (typeof srcUrlOrPlaylist === 'string') {\n        _this.srcUrl = srcUrlOrPlaylist; // TODO: reset sidxMapping between period changes\n        // once multi-period is refactored\n\n        _this.sidxMapping_ = {};\n        return possibleConstructorReturn$1(_this);\n      }\n\n      _this.setupChildLoader(masterPlaylistLoader, srcUrlOrPlaylist);\n\n      return _this;\n    }\n\n    createClass$1(DashPlaylistLoader, [{\n      key: 'setupChildLoader',\n      value: function setupChildLoader(masterPlaylistLoader, playlist) {\n        this.masterPlaylistLoader_ = masterPlaylistLoader;\n        this.childPlaylist_ = playlist;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.stopRequest();\n        this.loadedPlaylists_ = {};\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n        window$3.clearTimeout(this.mediaRequest_);\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        this.off();\n      }\n    }, {\n      key: 'hasPendingRequest',\n      value: function hasPendingRequest() {\n        return this.request || this.mediaRequest_;\n      }\n    }, {\n      key: 'stopRequest',\n      value: function stopRequest() {\n        if (this.request) {\n          var oldRequest = this.request;\n          this.request = null;\n          oldRequest.onreadystatechange = null;\n          oldRequest.abort();\n        }\n      }\n    }, {\n      key: 'sidxRequestFinished_',\n      value: function sidxRequestFinished_(playlist, master, startingState, doneFn) {\n        var _this2 = this;\n\n        return function (err, request) {\n          // disposed\n          if (!_this2.request) {\n            return;\n          } // pending request is cleared\n\n\n          _this2.request = null;\n\n          if (err) {\n            _this2.error = {\n              status: request.status,\n              message: 'DASH playlist request error at URL: ' + playlist.uri,\n              response: request.response,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (startingState) {\n              _this2.state = startingState;\n            }\n\n            _this2.trigger('error');\n\n            return doneFn(master, null);\n          }\n\n          var bytes = new Uint8Array(request.response);\n          var sidx = mp4Inspector.parseSidx(bytes.subarray(8));\n          return doneFn(master, sidx);\n        };\n      }\n    }, {\n      key: 'media',\n      value: function media(playlist) {\n        var _this3 = this; // getter\n\n\n        if (!playlist) {\n          return this.media_;\n        } // setter\n\n\n        if (this.state === 'HAVE_NOTHING') {\n          throw new Error('Cannot switch media playlist from ' + this.state);\n        }\n\n        var startingState = this.state; // find the playlist object if the target playlist has been specified by URI\n\n        if (typeof playlist === 'string') {\n          if (!this.master.playlists[playlist]) {\n            throw new Error('Unknown playlist URI: ' + playlist);\n          }\n\n          playlist = this.master.playlists[playlist];\n        }\n\n        var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to previously loaded playlists immediately\n\n        if (mediaChange && this.loadedPlaylists_[playlist.id] && this.loadedPlaylists_[playlist.id].endList) {\n          this.state = 'HAVE_METADATA';\n          this.media_ = playlist; // trigger media change if the active media has been updated\n\n          if (mediaChange) {\n            this.trigger('mediachanging');\n            this.trigger('mediachange');\n          }\n\n          return;\n        } // switching to the active playlist is a no-op\n\n\n        if (!mediaChange) {\n          return;\n        } // switching from an already loaded playlist\n\n\n        if (this.media_) {\n          this.trigger('mediachanging');\n        }\n\n        if (!playlist.sidx) {\n          // Continue asynchronously if there is no sidx\n          // wait one tick to allow haveMaster to run first on a child loader\n          this.mediaRequest_ = window$3.setTimeout(this.haveMetadata.bind(this, {\n            startingState: startingState,\n            playlist: playlist\n          }), 0); // exit early and don't do sidx work\n\n          return;\n        } // we have sidx mappings\n\n\n        var oldMaster = void 0;\n        var sidxMapping = void 0; // sidxMapping is used when parsing the masterXml, so store\n        // it on the masterPlaylistLoader\n\n        if (this.masterPlaylistLoader_) {\n          oldMaster = this.masterPlaylistLoader_.master;\n          sidxMapping = this.masterPlaylistLoader_.sidxMapping_;\n        } else {\n          oldMaster = this.master;\n          sidxMapping = this.sidxMapping_;\n        }\n\n        var sidxKey = generateSidxKey(playlist.sidx);\n        sidxMapping[sidxKey] = {\n          sidxInfo: playlist.sidx\n        };\n        this.request = requestSidx_(playlist.sidx, playlist, this.hls_.xhr, {\n          handleManifestRedirects: this.handleManifestRedirects\n        }, this.sidxRequestFinished_(playlist, oldMaster, startingState, function (newMaster, sidx) {\n          if (!newMaster || !sidx) {\n            throw new Error('failed to request sidx');\n          } // update loader's sidxMapping with parsed sidx box\n\n\n          sidxMapping[sidxKey].sidx = sidx; // everything is ready just continue to haveMetadata\n\n          _this3.haveMetadata({\n            startingState: startingState,\n            playlist: newMaster.playlists[playlist.id]\n          });\n        }));\n      }\n    }, {\n      key: 'haveMetadata',\n      value: function haveMetadata(_ref) {\n        var startingState = _ref.startingState,\n            playlist = _ref.playlist;\n        this.state = 'HAVE_METADATA';\n        this.loadedPlaylists_[playlist.id] = playlist;\n        this.mediaRequest_ = null; // This will trigger loadedplaylist\n\n        this.refreshMedia_(playlist.id); // fire loadedmetadata the first time a media playlist is loaded\n        // to resolve setup of media groups\n\n        if (startingState === 'HAVE_MASTER') {\n          this.trigger('loadedmetadata');\n        } else {\n          // trigger media change if the active media has been updated\n          this.trigger('mediachange');\n        }\n      }\n    }, {\n      key: 'pause',\n      value: function pause() {\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n\n        if (this.state === 'HAVE_NOTHING') {\n          // If we pause the loader before any data has been retrieved, its as if we never\n          // started, so reset to an unstarted state.\n          this.started = false;\n        }\n      }\n    }, {\n      key: 'load',\n      value: function load(isFinalRendition) {\n        var _this4 = this;\n\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n        var media = this.media();\n\n        if (isFinalRendition) {\n          var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            return _this4.load();\n          }, delay);\n          return;\n        } // because the playlists are internal to the manifest, load should either load the\n        // main manifest, or do nothing but trigger an event\n\n\n        if (!this.started) {\n          this.start();\n          return;\n        }\n\n        if (media && !media.endList) {\n          this.trigger('mediaupdatetimeout');\n        } else {\n          this.trigger('loadedplaylist');\n        }\n      }\n      /**\n       * Parses the master xml string and updates playlist uri references\n       *\n       * @return {Object}\n       *         The parsed mpd manifest object\n       */\n\n    }, {\n      key: 'parseMasterXml',\n      value: function parseMasterXml() {\n        var master = parse(this.masterXml_, {\n          manifestUri: this.srcUrl,\n          clientOffset: this.clientOffset_,\n          sidxMapping: this.sidxMapping_\n        });\n        master.uri = this.srcUrl; // Set up phony URIs for the playlists since we won't have external URIs for DASH\n        // but reference playlists by their URI throughout the project\n        // TODO: Should we create the dummy uris in mpd-parser as well (leaning towards yes).\n\n        for (var i = 0; i < master.playlists.length; i++) {\n          var phonyUri = 'placeholder-uri-' + i;\n          master.playlists[i].uri = phonyUri;\n        } // set up phony URIs for the media group playlists since we won't have external\n        // URIs for DASH but reference playlists by their URI throughout the project\n\n\n        forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {\n          if (properties.playlists && properties.playlists.length) {\n            var _phonyUri = 'placeholder-uri-' + mediaType + '-' + groupKey + '-' + labelKey;\n\n            var id = createPlaylistID(0, _phonyUri);\n            properties.playlists[0].uri = _phonyUri;\n            properties.playlists[0].id = id; // setup ID and URI references (URI for backwards compatibility)\n\n            master.playlists[id] = properties.playlists[0];\n            master.playlists[_phonyUri] = properties.playlists[0];\n          }\n        });\n        setupMediaPlaylists(master);\n        resolveMediaGroupUris(master);\n        return master;\n      }\n    }, {\n      key: 'start',\n      value: function start() {\n        var _this5 = this;\n\n        this.started = true; // We don't need to request the master manifest again\n        // Call this asynchronously to match the xhr request behavior below\n\n        if (this.masterPlaylistLoader_) {\n          this.mediaRequest_ = window$3.setTimeout(this.haveMaster_.bind(this), 0);\n          return;\n        } // request the specified URL\n\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this5.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this5.request = null;\n\n          if (error) {\n            _this5.error = {\n              status: req.status,\n              message: 'DASH playlist request error at URL: ' + _this5.srcUrl,\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this5.state === 'HAVE_NOTHING') {\n              _this5.started = false;\n            }\n\n            return _this5.trigger('error');\n          }\n\n          _this5.masterXml_ = req.responseText;\n\n          if (req.responseHeaders && req.responseHeaders.date) {\n            _this5.masterLoaded_ = Date.parse(req.responseHeaders.date);\n          } else {\n            _this5.masterLoaded_ = Date.now();\n          }\n\n          _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);\n\n          _this5.syncClientServerClock_(_this5.onClientServerClockSync_.bind(_this5));\n        });\n      }\n      /**\n       * Parses the master xml for UTCTiming node to sync the client clock to the server\n       * clock. If the UTCTiming node requires a HEAD or GET request, that request is made.\n       *\n       * @param {Function} done\n       *        Function to call when clock sync has completed\n       */\n\n    }, {\n      key: 'syncClientServerClock_',\n      value: function syncClientServerClock_(done) {\n        var _this6 = this;\n\n        var utcTiming = parseUTCTiming(this.masterXml_); // No UTCTiming element found in the mpd. Use Date header from mpd request as the\n        // server clock\n\n        if (utcTiming === null) {\n          this.clientOffset_ = this.masterLoaded_ - Date.now();\n          return done();\n        }\n\n        if (utcTiming.method === 'DIRECT') {\n          this.clientOffset_ = utcTiming.value - Date.now();\n          return done();\n        }\n\n        this.request = this.hls_.xhr({\n          uri: resolveUrl$1(this.srcUrl, utcTiming.value),\n          method: utcTiming.method,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this6.request) {\n            return;\n          }\n\n          if (error) {\n            // sync request failed, fall back to using date header from mpd\n            // TODO: log warning\n            _this6.clientOffset_ = _this6.masterLoaded_ - Date.now();\n            return done();\n          }\n\n          var serverTime = void 0;\n\n          if (utcTiming.method === 'HEAD') {\n            if (!req.responseHeaders || !req.responseHeaders.date) {\n              // expected date header not preset, fall back to using date header from mpd\n              // TODO: log warning\n              serverTime = _this6.masterLoaded_;\n            } else {\n              serverTime = Date.parse(req.responseHeaders.date);\n            }\n          } else {\n            serverTime = Date.parse(req.responseText);\n          }\n\n          _this6.clientOffset_ = serverTime - Date.now();\n          done();\n        });\n      }\n    }, {\n      key: 'haveMaster_',\n      value: function haveMaster_() {\n        this.state = 'HAVE_MASTER'; // clear media request\n\n        this.mediaRequest_ = null;\n\n        if (!this.masterPlaylistLoader_) {\n          this.master = this.parseMasterXml(); // We have the master playlist at this point, so\n          // trigger this to allow MasterPlaylistController\n          // to make an initial playlist selection\n\n          this.trigger('loadedplaylist');\n        } else if (!this.media_) {\n          // no media playlist was specifically selected so select\n          // the one the child playlist loader was created with\n          this.media(this.childPlaylist_);\n        }\n      }\n      /**\n       * Handler for after client/server clock synchronization has happened. Sets up\n       * xml refresh timer if specificed by the manifest.\n       */\n\n    }, {\n      key: 'onClientServerClockSync_',\n      value: function onClientServerClockSync_() {\n        var _this7 = this;\n\n        this.haveMaster_();\n\n        if (!this.hasPendingRequest() && !this.media_) {\n          this.media(this.master.playlists[0]);\n        } // TODO: minimumUpdatePeriod can have a value of 0. Currently the manifest will not\n        // be refreshed when this is the case. The inter-op guide says that when the\n        // minimumUpdatePeriod is 0, the manifest should outline all currently available\n        // segments, but future segments may require an update. I think a good solution\n        // would be to update the manifest at the same rate that the media playlists\n        // are \"refreshed\", i.e. every targetDuration.\n\n\n        if (this.master && this.master.minimumUpdatePeriod) {\n          this.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n            _this7.trigger('minimumUpdatePeriod');\n          }, this.master.minimumUpdatePeriod);\n        }\n      }\n      /**\n       * Sends request to refresh the master xml and updates the parsed master manifest\n       * TODO: Does the client offset need to be recalculated when the xml is refreshed?\n       */\n\n    }, {\n      key: 'refreshXml_',\n      value: function refreshXml_() {\n        var _this8 = this; // The srcUrl here *may* need to pass through handleManifestsRedirects when\n        // sidx is implemented\n\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this8.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this8.request = null;\n\n          if (error) {\n            _this8.error = {\n              status: req.status,\n              message: 'DASH playlist request error at URL: ' + _this8.srcUrl,\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this8.state === 'HAVE_NOTHING') {\n              _this8.started = false;\n            }\n\n            return _this8.trigger('error');\n          }\n\n          _this8.masterXml_ = req.responseText; // This will filter out updated sidx info from the mapping\n\n          _this8.sidxMapping_ = filterChangedSidxMappings(_this8.masterXml_, _this8.srcUrl, _this8.clientOffset_, _this8.sidxMapping_);\n\n          var master = _this8.parseMasterXml();\n\n          var updatedMaster = updateMaster$1(_this8.master, master);\n\n          var currentSidxInfo = _this8.media().sidx;\n\n          if (updatedMaster) {\n            if (currentSidxInfo) {\n              var sidxKey = generateSidxKey(currentSidxInfo); // the sidx was updated, so the previous mapping was removed\n\n              if (!_this8.sidxMapping_[sidxKey]) {\n                var playlist = _this8.media();\n\n                _this8.request = requestSidx_(playlist.sidx, playlist, _this8.hls_.xhr, {\n                  handleManifestRedirects: _this8.handleManifestRedirects\n                }, _this8.sidxRequestFinished_(playlist, master, _this8.state, function (newMaster, sidx) {\n                  if (!newMaster || !sidx) {\n                    throw new Error('failed to request sidx on minimumUpdatePeriod');\n                  } // update loader's sidxMapping with parsed sidx box\n\n\n                  _this8.sidxMapping_[sidxKey].sidx = sidx;\n                  _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n                    _this8.trigger('minimumUpdatePeriod');\n                  }, _this8.master.minimumUpdatePeriod); // TODO: do we need to reload the current playlist?\n\n                  _this8.refreshMedia_(_this8.media().id);\n\n                  return;\n                }));\n              }\n            } else {\n              _this8.master = updatedMaster;\n            }\n          }\n\n          _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n            _this8.trigger('minimumUpdatePeriod');\n          }, _this8.master.minimumUpdatePeriod);\n        });\n      }\n      /**\n       * Refreshes the media playlist by re-parsing the master xml and updating playlist\n       * references. If this is an alternate loader, the updated parsed manifest is retrieved\n       * from the master loader.\n       */\n\n    }, {\n      key: 'refreshMedia_',\n      value: function refreshMedia_(mediaID) {\n        var _this9 = this;\n\n        if (!mediaID) {\n          throw new Error('refreshMedia_ must take a media id');\n        }\n\n        var oldMaster = void 0;\n        var newMaster = void 0;\n\n        if (this.masterPlaylistLoader_) {\n          oldMaster = this.masterPlaylistLoader_.master;\n          newMaster = this.masterPlaylistLoader_.parseMasterXml();\n        } else {\n          oldMaster = this.master;\n          newMaster = this.parseMasterXml();\n        }\n\n        var updatedMaster = updateMaster$1(oldMaster, newMaster);\n\n        if (updatedMaster) {\n          if (this.masterPlaylistLoader_) {\n            this.masterPlaylistLoader_.master = updatedMaster;\n          } else {\n            this.master = updatedMaster;\n          }\n\n          this.media_ = updatedMaster.playlists[mediaID];\n        } else {\n          this.media_ = newMaster.playlists[mediaID];\n          this.trigger('playlistunchanged');\n        }\n\n        if (!this.media().endList) {\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            _this9.trigger('mediaupdatetimeout');\n          }, refreshDelay(this.media(), !!updatedMaster));\n        }\n\n        this.trigger('loadedplaylist');\n      }\n    }]);\n    return DashPlaylistLoader;\n  }(EventTarget$1$1);\n\n  var logger = function logger(source) {\n    if (videojs$1.log.debug) {\n      return videojs$1.log.debug.bind(videojs$1, 'VHS:', source + ' >');\n    }\n\n    return function () {};\n  };\n\n  function noop$1() {}\n  /**\n   * @file source-updater.js\n   */\n\n  /**\n   * A queue of callbacks to be serialized and applied when a\n   * MediaSource and its associated SourceBuffers are not in the\n   * updating state. It is used by the segment loader to update the\n   * underlying SourceBuffers when new data is loaded, for instance.\n   *\n   * @class SourceUpdater\n   * @param {MediaSource} mediaSource the MediaSource to create the\n   * SourceBuffer from\n   * @param {String} mimeType the desired MIME type of the underlying\n   * SourceBuffer\n   * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer is\n   * added to the media source\n   */\n\n\n  var SourceUpdater = function () {\n    function SourceUpdater(mediaSource, mimeType, type, sourceBufferEmitter) {\n      classCallCheck$1(this, SourceUpdater);\n      this.callbacks_ = [];\n      this.pendingCallback_ = null;\n      this.timestampOffset_ = 0;\n      this.mediaSource = mediaSource;\n      this.processedAppend_ = false;\n      this.type_ = type;\n      this.mimeType_ = mimeType;\n      this.logger_ = logger('SourceUpdater[' + type + '][' + mimeType + ']');\n\n      if (mediaSource.readyState === 'closed') {\n        mediaSource.addEventListener('sourceopen', this.createSourceBuffer_.bind(this, mimeType, sourceBufferEmitter));\n      } else {\n        this.createSourceBuffer_(mimeType, sourceBufferEmitter);\n      }\n    }\n\n    createClass$1(SourceUpdater, [{\n      key: 'createSourceBuffer_',\n      value: function createSourceBuffer_(mimeType, sourceBufferEmitter) {\n        var _this = this;\n\n        this.sourceBuffer_ = this.mediaSource.addSourceBuffer(mimeType);\n        this.logger_('created SourceBuffer');\n\n        if (sourceBufferEmitter) {\n          sourceBufferEmitter.trigger('sourcebufferadded');\n\n          if (this.mediaSource.sourceBuffers.length < 2) {\n            // There's another source buffer we must wait for before we can start updating\n            // our own (or else we can get into a bad state, i.e., appending video/audio data\n            // before the other video/audio source buffer is available and leading to a video\n            // or audio only buffer).\n            sourceBufferEmitter.on('sourcebufferadded', function () {\n              _this.start_();\n            });\n            return;\n          }\n        }\n\n        this.start_();\n      }\n    }, {\n      key: 'start_',\n      value: function start_() {\n        var _this2 = this;\n\n        this.started_ = true; // run completion handlers and process callbacks as updateend\n        // events fire\n\n        this.onUpdateendCallback_ = function () {\n          var pendingCallback = _this2.pendingCallback_;\n          _this2.pendingCallback_ = null;\n          _this2.sourceBuffer_.removing = false;\n\n          _this2.logger_('buffered [' + printableRange(_this2.buffered()) + ']');\n\n          if (pendingCallback) {\n            pendingCallback();\n          }\n\n          _this2.runCallback_();\n        };\n\n        this.sourceBuffer_.addEventListener('updateend', this.onUpdateendCallback_);\n        this.runCallback_();\n      }\n      /**\n       * Aborts the current segment and resets the segment parser.\n       *\n       * @param {Function} done function to call when done\n       * @see http://w3c.github.io/media-source/#widl-SourceBuffer-abort-void\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort(done) {\n        var _this3 = this;\n\n        if (this.processedAppend_) {\n          this.queueCallback_(function () {\n            _this3.sourceBuffer_.abort();\n          }, done);\n        }\n      }\n      /**\n       * Queue an update to append an ArrayBuffer.\n       *\n       * @param {ArrayBuffer} bytes\n       * @param {Function} done the function to call when done\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-appendBuffer-void-ArrayBuffer-data\n       */\n\n    }, {\n      key: 'appendBuffer',\n      value: function appendBuffer(config, done) {\n        var _this4 = this;\n\n        this.processedAppend_ = true;\n        this.queueCallback_(function () {\n          if (config.videoSegmentTimingInfoCallback) {\n            _this4.sourceBuffer_.addEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);\n          }\n\n          _this4.sourceBuffer_.appendBuffer(config.bytes);\n        }, function () {\n          if (config.videoSegmentTimingInfoCallback) {\n            _this4.sourceBuffer_.removeEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);\n          }\n\n          done();\n        });\n      }\n      /**\n       * Indicates what TimeRanges are buffered in the managed SourceBuffer.\n       *\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-buffered\n       */\n\n    }, {\n      key: 'buffered',\n      value: function buffered() {\n        if (!this.sourceBuffer_) {\n          return videojs$1.createTimeRanges();\n        }\n\n        return this.sourceBuffer_.buffered;\n      }\n      /**\n       * Queue an update to remove a time range from the buffer.\n       *\n       * @param {Number} start where to start the removal\n       * @param {Number} end where to end the removal\n       * @param {Function} [done=noop] optional callback to be executed when the remove\n       * operation is complete\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-remove-void-double-start-unrestricted-double-end\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        var _this5 = this;\n\n        var done = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop$1;\n\n        if (this.processedAppend_) {\n          this.queueCallback_(function () {\n            _this5.logger_('remove [' + start + ' => ' + end + ']');\n\n            _this5.sourceBuffer_.removing = true;\n\n            _this5.sourceBuffer_.remove(start, end);\n          }, done);\n        }\n      }\n      /**\n       * Whether the underlying sourceBuffer is updating or not\n       *\n       * @return {Boolean} the updating status of the SourceBuffer\n       */\n\n    }, {\n      key: 'updating',\n      value: function updating() {\n        // we are updating if the sourcebuffer is updating or\n        return !this.sourceBuffer_ || this.sourceBuffer_.updating || // if we have a pending callback that is not our internal noop\n        !!this.pendingCallback_ && this.pendingCallback_ !== noop$1;\n      }\n      /**\n       * Set/get the timestampoffset on the SourceBuffer\n       *\n       * @return {Number} the timestamp offset\n       */\n\n    }, {\n      key: 'timestampOffset',\n      value: function timestampOffset(offset) {\n        var _this6 = this;\n\n        if (typeof offset !== 'undefined') {\n          this.queueCallback_(function () {\n            _this6.sourceBuffer_.timestampOffset = offset;\n\n            _this6.runCallback_();\n          });\n          this.timestampOffset_ = offset;\n        }\n\n        return this.timestampOffset_;\n      }\n      /**\n       * Queue a callback to run\n       */\n\n    }, {\n      key: 'queueCallback_',\n      value: function queueCallback_(callback, done) {\n        this.callbacks_.push([callback.bind(this), done]);\n        this.runCallback_();\n      }\n      /**\n       * Run a queued callback\n       */\n\n    }, {\n      key: 'runCallback_',\n      value: function runCallback_() {\n        var callbacks = void 0;\n\n        if (!this.updating() && this.callbacks_.length && this.started_) {\n          callbacks = this.callbacks_.shift();\n          this.pendingCallback_ = callbacks[1];\n          callbacks[0]();\n        }\n      }\n      /**\n       * dispose of the source updater and the underlying sourceBuffer\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        var _this7 = this;\n\n        var disposeFn = function disposeFn() {\n          if (_this7.sourceBuffer_ && _this7.mediaSource.readyState === 'open') {\n            _this7.sourceBuffer_.abort();\n          }\n\n          _this7.sourceBuffer_.removeEventListener('updateend', disposeFn);\n        };\n\n        this.sourceBuffer_.removeEventListener('updateend', this.onUpdateendCallback_);\n\n        if (this.sourceBuffer_.removing) {\n          this.sourceBuffer_.addEventListener('updateend', disposeFn);\n        } else {\n          disposeFn();\n        }\n      }\n    }]);\n    return SourceUpdater;\n  }();\n\n  var Config = {\n    GOAL_BUFFER_LENGTH: 30,\n    MAX_GOAL_BUFFER_LENGTH: 60,\n    GOAL_BUFFER_LENGTH_RATE: 1,\n    // 0.5 MB/s\n    INITIAL_BANDWIDTH: 4194304,\n    // A fudge factor to apply to advertised playlist bitrates to account for\n    // temporary flucations in client bandwidth\n    BANDWIDTH_VARIANCE: 1.2,\n    // How much of the buffer must be filled before we consider upswitching\n    BUFFER_LOW_WATER_LINE: 0,\n    MAX_BUFFER_LOW_WATER_LINE: 30,\n    BUFFER_LOW_WATER_LINE_RATE: 1\n  };\n  var REQUEST_ERRORS = {\n    FAILURE: 2,\n    TIMEOUT: -101,\n    ABORTED: -102\n  };\n  /**\n   * Abort all requests\n   *\n   * @param {Object} activeXhrs - an object that tracks all XHR requests\n   */\n\n  var abortAll = function abortAll(activeXhrs) {\n    activeXhrs.forEach(function (xhr) {\n      xhr.abort();\n    });\n  };\n  /**\n   * Gather important bandwidth stats once a request has completed\n   *\n   * @param {Object} request - the XHR request from which to gather stats\n   */\n\n\n  var getRequestStats = function getRequestStats(request) {\n    return {\n      bandwidth: request.bandwidth,\n      bytesReceived: request.bytesReceived || 0,\n      roundTripTime: request.roundTripTime || 0\n    };\n  };\n  /**\n   * If possible gather bandwidth stats as a request is in\n   * progress\n   *\n   * @param {Event} progressEvent - an event object from an XHR's progress event\n   */\n\n\n  var getProgressStats = function getProgressStats(progressEvent) {\n    var request = progressEvent.target;\n    var roundTripTime = Date.now() - request.requestTime;\n    var stats = {\n      bandwidth: Infinity,\n      bytesReceived: 0,\n      roundTripTime: roundTripTime || 0\n    };\n    stats.bytesReceived = progressEvent.loaded; // This can result in Infinity if stats.roundTripTime is 0 but that is ok\n    // because we should only use bandwidth stats on progress to determine when\n    // abort a request early due to insufficient bandwidth\n\n    stats.bandwidth = Math.floor(stats.bytesReceived / stats.roundTripTime * 8 * 1000);\n    return stats;\n  };\n  /**\n   * Handle all error conditions in one place and return an object\n   * with all the information\n   *\n   * @param {Error|null} error - if non-null signals an error occured with the XHR\n   * @param {Object} request -  the XHR request that possibly generated the error\n   */\n\n\n  var handleErrors = function handleErrors(error, request) {\n    if (request.timedout) {\n      return {\n        status: request.status,\n        message: 'HLS request timed-out at URL: ' + request.uri,\n        code: REQUEST_ERRORS.TIMEOUT,\n        xhr: request\n      };\n    }\n\n    if (request.aborted) {\n      return {\n        status: request.status,\n        message: 'HLS request aborted at URL: ' + request.uri,\n        code: REQUEST_ERRORS.ABORTED,\n        xhr: request\n      };\n    }\n\n    if (error) {\n      return {\n        status: request.status,\n        message: 'HLS request errored at URL: ' + request.uri,\n        code: REQUEST_ERRORS.FAILURE,\n        xhr: request\n      };\n    }\n\n    return null;\n  };\n  /**\n   * Handle responses for key data and convert the key data to the correct format\n   * for the decryption step later\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleKeyResponse = function handleKeyResponse(segment, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      }\n\n      if (response.byteLength !== 16) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Invalid HLS key at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      var view = new DataView(response);\n      segment.key.bytes = new Uint32Array([view.getUint32(0), view.getUint32(4), view.getUint32(8), view.getUint32(12)]);\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Handle init-segment responses\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleInitSegmentResponse = function handleInitSegmentResponse(segment, captionParser, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      } // stop processing if received empty content\n\n\n      if (response.byteLength === 0) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Empty HLS segment content at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      segment.map.bytes = new Uint8Array(request.response); // Initialize CaptionParser if it hasn't been yet\n\n      if (captionParser && !captionParser.isInitialized()) {\n        captionParser.init();\n      }\n\n      segment.map.timescales = probe.timescale(segment.map.bytes);\n      segment.map.videoTrackIds = probe.videoTrackIds(segment.map.bytes);\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Response handler for segment-requests being sure to set the correct\n   * property depending on whether the segment is encryped or not\n   * Also records and keeps track of stats that are used for ABR purposes\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleSegmentResponse = function handleSegmentResponse(segment, captionParser, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n      var parsed = void 0;\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      } // stop processing if received empty content\n\n\n      if (response.byteLength === 0) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Empty HLS segment content at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      segment.stats = getRequestStats(request);\n\n      if (segment.key) {\n        segment.encryptedBytes = new Uint8Array(request.response);\n      } else {\n        segment.bytes = new Uint8Array(request.response);\n      } // This is likely an FMP4 and has the init segment.\n      // Run through the CaptionParser in case there are captions.\n\n\n      if (captionParser && segment.map && segment.map.bytes) {\n        // Initialize CaptionParser if it hasn't been yet\n        if (!captionParser.isInitialized()) {\n          captionParser.init();\n        }\n\n        parsed = captionParser.parse(segment.bytes, segment.map.videoTrackIds, segment.map.timescales);\n\n        if (parsed && parsed.captions) {\n          segment.captionStreams = parsed.captionStreams;\n          segment.fmp4Captions = parsed.captions;\n        }\n      }\n\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Decrypt the segment via the decryption web worker\n   *\n   * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} doneFn - a callback that is executed after decryption has completed\n   */\n\n\n  var decryptSegment = function decryptSegment(decrypter, segment, doneFn) {\n    var decryptionHandler = function decryptionHandler(event) {\n      if (event.data.source === segment.requestId) {\n        decrypter.removeEventListener('message', decryptionHandler);\n        var decrypted = event.data.decrypted;\n        segment.bytes = new Uint8Array(decrypted.bytes, decrypted.byteOffset, decrypted.byteLength);\n        return doneFn(null, segment);\n      }\n    };\n\n    decrypter.addEventListener('message', decryptionHandler);\n    var keyBytes = void 0;\n\n    if (segment.key.bytes.slice) {\n      keyBytes = segment.key.bytes.slice();\n    } else {\n      keyBytes = new Uint32Array(Array.prototype.slice.call(segment.key.bytes));\n    } // this is an encrypted segment\n    // incrementally decrypt the segment\n\n\n    decrypter.postMessage(createTransferableMessage({\n      source: segment.requestId,\n      encrypted: segment.encryptedBytes,\n      key: keyBytes,\n      iv: segment.key.iv\n    }), [segment.encryptedBytes.buffer, keyBytes.buffer]);\n  };\n  /**\n   * This function waits for all XHRs to finish (with either success or failure)\n   * before continueing processing via it's callback. The function gathers errors\n   * from each request into a single errors array so that the error status for\n   * each request can be examined later.\n   *\n   * @param {Object} activeXhrs - an object that tracks all XHR requests\n   * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines\n   * @param {Function} doneFn - a callback that is executed after all resources have been\n   *                            downloaded and any decryption completed\n   */\n\n\n  var waitForCompletion = function waitForCompletion(activeXhrs, decrypter, doneFn) {\n    var count = 0;\n    var didError = false;\n    return function (error, segment) {\n      if (didError) {\n        return;\n      }\n\n      if (error) {\n        didError = true; // If there are errors, we have to abort any outstanding requests\n\n        abortAll(activeXhrs); // Even though the requests above are aborted, and in theory we could wait until we\n        // handle the aborted events from those requests, there are some cases where we may\n        // never get an aborted event. For instance, if the network connection is lost and\n        // there were two requests, the first may have triggered an error immediately, while\n        // the second request remains unsent. In that case, the aborted algorithm will not\n        // trigger an abort: see https://xhr.spec.whatwg.org/#the-abort()-method\n        //\n        // We also can't rely on the ready state of the XHR, since the request that\n        // triggered the connection error may also show as a ready state of 0 (unsent).\n        // Therefore, we have to finish this group of requests immediately after the first\n        // seen error.\n\n        return doneFn(error, segment);\n      }\n\n      count += 1;\n\n      if (count === activeXhrs.length) {\n        // Keep track of when *all* of the requests have completed\n        segment.endOfAllRequests = Date.now();\n\n        if (segment.encryptedBytes) {\n          return decryptSegment(decrypter, segment, doneFn);\n        } // Otherwise, everything is ready just continue\n\n\n        return doneFn(null, segment);\n      }\n    };\n  };\n  /**\n   * Simple progress event callback handler that gathers some stats before\n   * executing a provided callback with the `segment` object\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} progressFn - a callback that is executed each time a progress event\n   *                                is received\n   * @param {Event} event - the progress event object from XMLHttpRequest\n   */\n\n\n  var handleProgress = function handleProgress(segment, progressFn) {\n    return function (event) {\n      segment.stats = videojs$1.mergeOptions(segment.stats, getProgressStats(event)); // record the time that we receive the first byte of data\n\n      if (!segment.stats.firstBytesReceivedAt && segment.stats.bytesReceived) {\n        segment.stats.firstBytesReceivedAt = Date.now();\n      }\n\n      return progressFn(event, segment);\n    };\n  };\n  /**\n   * Load all resources and does any processing necessary for a media-segment\n   *\n   * Features:\n   *   decrypts the media-segment if it has a key uri and an iv\n   *   aborts *all* requests if *any* one request fails\n   *\n   * The segment object, at minimum, has the following format:\n   * {\n   *   resolvedUri: String,\n   *   [byterange]: {\n   *     offset: Number,\n   *     length: Number\n   *   },\n   *   [key]: {\n   *     resolvedUri: String\n   *     [byterange]: {\n   *       offset: Number,\n   *       length: Number\n   *     },\n   *     iv: {\n   *       bytes: Uint32Array\n   *     }\n   *   },\n   *   [map]: {\n   *     resolvedUri: String,\n   *     [byterange]: {\n   *       offset: Number,\n   *       length: Number\n   *     },\n   *     [bytes]: Uint8Array\n   *   }\n   * }\n   * ...where [name] denotes optional properties\n   *\n   * @param {Function} xhr - an instance of the xhr wrapper in xhr.js\n   * @param {Object} xhrOptions - the base options to provide to all xhr requests\n   * @param {WebWorker} decryptionWorker - a WebWorker interface to AES-128\n   *                                       decryption routines\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} progressFn - a callback that receives progress events from the main\n   *                                segment's xhr request\n   * @param {Function} doneFn - a callback that is executed only once all requests have\n   *                            succeeded or failed\n   * @returns {Function} a function that, when invoked, immediately aborts all\n   *                     outstanding requests\n   */\n\n\n  var mediaSegmentRequest = function mediaSegmentRequest(xhr, xhrOptions, decryptionWorker, captionParser, segment, progressFn, doneFn) {\n    var activeXhrs = [];\n    var finishProcessingFn = waitForCompletion(activeXhrs, decryptionWorker, doneFn); // optionally, request the decryption key\n\n    if (segment.key && !segment.key.bytes) {\n      var keyRequestOptions = videojs$1.mergeOptions(xhrOptions, {\n        uri: segment.key.resolvedUri,\n        responseType: 'arraybuffer'\n      });\n      var keyRequestCallback = handleKeyResponse(segment, finishProcessingFn);\n      var keyXhr = xhr(keyRequestOptions, keyRequestCallback);\n      activeXhrs.push(keyXhr);\n    } // optionally, request the associated media init segment\n\n\n    if (segment.map && !segment.map.bytes) {\n      var initSegmentOptions = videojs$1.mergeOptions(xhrOptions, {\n        uri: segment.map.resolvedUri,\n        responseType: 'arraybuffer',\n        headers: segmentXhrHeaders(segment.map)\n      });\n      var initSegmentRequestCallback = handleInitSegmentResponse(segment, captionParser, finishProcessingFn);\n      var initSegmentXhr = xhr(initSegmentOptions, initSegmentRequestCallback);\n      activeXhrs.push(initSegmentXhr);\n    }\n\n    var segmentRequestOptions = videojs$1.mergeOptions(xhrOptions, {\n      uri: segment.resolvedUri,\n      responseType: 'arraybuffer',\n      headers: segmentXhrHeaders(segment)\n    });\n    var segmentRequestCallback = handleSegmentResponse(segment, captionParser, finishProcessingFn);\n    var segmentXhr = xhr(segmentRequestOptions, segmentRequestCallback);\n    segmentXhr.addEventListener('progress', handleProgress(segment, progressFn));\n    activeXhrs.push(segmentXhr);\n    return function () {\n      return abortAll(activeXhrs);\n    };\n  }; // Utilities\n\n  /**\n   * Returns the CSS value for the specified property on an element\n   * using `getComputedStyle`. Firefox has a long-standing issue where\n   * getComputedStyle() may return null when running in an iframe with\n   * `display: none`.\n   *\n   * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n   * @param {HTMLElement} el the htmlelement to work on\n   * @param {string} the proprety to get the style for\n   */\n\n\n  var safeGetComputedStyle = function safeGetComputedStyle(el, property) {\n    var result = void 0;\n\n    if (!el) {\n      return '';\n    }\n\n    result = window$3.getComputedStyle(el);\n\n    if (!result) {\n      return '';\n    }\n\n    return result[property];\n  };\n  /**\n   * Resuable stable sort function\n   *\n   * @param {Playlists} array\n   * @param {Function} sortFn Different comparators\n   * @function stableSort\n   */\n\n\n  var stableSort = function stableSort(array, sortFn) {\n    var newArray = array.slice();\n    array.sort(function (left, right) {\n      var cmp = sortFn(left, right);\n\n      if (cmp === 0) {\n        return newArray.indexOf(left) - newArray.indexOf(right);\n      }\n\n      return cmp;\n    });\n  };\n  /**\n   * A comparator function to sort two playlist object by bandwidth.\n   *\n   * @param {Object} left a media playlist object\n   * @param {Object} right a media playlist object\n   * @return {Number} Greater than zero if the bandwidth attribute of\n   * left is greater than the corresponding attribute of right. Less\n   * than zero if the bandwidth of right is greater than left and\n   * exactly zero if the two are equal.\n   */\n\n\n  var comparePlaylistBandwidth = function comparePlaylistBandwidth(left, right) {\n    var leftBandwidth = void 0;\n    var rightBandwidth = void 0;\n\n    if (left.attributes.BANDWIDTH) {\n      leftBandwidth = left.attributes.BANDWIDTH;\n    }\n\n    leftBandwidth = leftBandwidth || window$3.Number.MAX_VALUE;\n\n    if (right.attributes.BANDWIDTH) {\n      rightBandwidth = right.attributes.BANDWIDTH;\n    }\n\n    rightBandwidth = rightBandwidth || window$3.Number.MAX_VALUE;\n    return leftBandwidth - rightBandwidth;\n  };\n  /**\n   * A comparator function to sort two playlist object by resolution (width).\n   * @param {Object} left a media playlist object\n   * @param {Object} right a media playlist object\n   * @return {Number} Greater than zero if the resolution.width attribute of\n   * left is greater than the corresponding attribute of right. Less\n   * than zero if the resolution.width of right is greater than left and\n   * exactly zero if the two are equal.\n   */\n\n\n  var comparePlaylistResolution = function comparePlaylistResolution(left, right) {\n    var leftWidth = void 0;\n    var rightWidth = void 0;\n\n    if (left.attributes.RESOLUTION && left.attributes.RESOLUTION.width) {\n      leftWidth = left.attributes.RESOLUTION.width;\n    }\n\n    leftWidth = leftWidth || window$3.Number.MAX_VALUE;\n\n    if (right.attributes.RESOLUTION && right.attributes.RESOLUTION.width) {\n      rightWidth = right.attributes.RESOLUTION.width;\n    }\n\n    rightWidth = rightWidth || window$3.Number.MAX_VALUE; // NOTE - Fallback to bandwidth sort as appropriate in cases where multiple renditions\n    // have the same media dimensions/ resolution\n\n    if (leftWidth === rightWidth && left.attributes.BANDWIDTH && right.attributes.BANDWIDTH) {\n      return left.attributes.BANDWIDTH - right.attributes.BANDWIDTH;\n    }\n\n    return leftWidth - rightWidth;\n  };\n  /**\n   * Chooses the appropriate media playlist based on bandwidth and player size\n   *\n   * @param {Object} master\n   *        Object representation of the master manifest\n   * @param {Number} playerBandwidth\n   *        Current calculated bandwidth of the player\n   * @param {Number} playerWidth\n   *        Current width of the player element\n   * @param {Number} playerHeight\n   *        Current height of the player element\n   * @param {Boolean} limitRenditionByPlayerDimensions\n   *        True if the player width and height should be used during the selection, false otherwise\n   * @return {Playlist} the highest bitrate playlist less than the\n   * currently detected bandwidth, accounting for some amount of\n   * bandwidth variance\n   */\n\n\n  var simpleSelector = function simpleSelector(master, playerBandwidth, playerWidth, playerHeight, limitRenditionByPlayerDimensions) {\n    // convert the playlists to an intermediary representation to make comparisons easier\n    var sortedPlaylistReps = master.playlists.map(function (playlist) {\n      var width = void 0;\n      var height = void 0;\n      var bandwidth = void 0;\n      width = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.width;\n      height = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.height;\n      bandwidth = playlist.attributes.BANDWIDTH;\n      bandwidth = bandwidth || window$3.Number.MAX_VALUE;\n      return {\n        bandwidth: bandwidth,\n        width: width,\n        height: height,\n        playlist: playlist\n      };\n    });\n    stableSort(sortedPlaylistReps, function (left, right) {\n      return left.bandwidth - right.bandwidth;\n    }); // filter out any playlists that have been excluded due to\n    // incompatible configurations\n\n    sortedPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n      return !Playlist.isIncompatible(rep.playlist);\n    }); // filter out any playlists that have been disabled manually through the representations\n    // api or blacklisted temporarily due to playback errors.\n\n    var enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n      return Playlist.isEnabled(rep.playlist);\n    });\n\n    if (!enabledPlaylistReps.length) {\n      // if there are no enabled playlists, then they have all been blacklisted or disabled\n      // by the user through the representations api. In this case, ignore blacklisting and\n      // fallback to what the user wants by using playlists the user has not disabled.\n      enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n        return !Playlist.isDisabled(rep.playlist);\n      });\n    } // filter out any variant that has greater effective bitrate\n    // than the current estimated bandwidth\n\n\n    var bandwidthPlaylistReps = enabledPlaylistReps.filter(function (rep) {\n      return rep.bandwidth * Config.BANDWIDTH_VARIANCE < playerBandwidth;\n    });\n    var highestRemainingBandwidthRep = bandwidthPlaylistReps[bandwidthPlaylistReps.length - 1]; // get all of the renditions with the same (highest) bandwidth\n    // and then taking the very first element\n\n    var bandwidthBestRep = bandwidthPlaylistReps.filter(function (rep) {\n      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n    })[0]; // if we're not going to limit renditions by player size, make an early decision.\n\n    if (limitRenditionByPlayerDimensions === false) {\n      var _chosenRep = bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];\n\n      return _chosenRep ? _chosenRep.playlist : null;\n    } // filter out playlists without resolution information\n\n\n    var haveResolution = bandwidthPlaylistReps.filter(function (rep) {\n      return rep.width && rep.height;\n    }); // sort variants by resolution\n\n    stableSort(haveResolution, function (left, right) {\n      return left.width - right.width;\n    }); // if we have the exact resolution as the player use it\n\n    var resolutionBestRepList = haveResolution.filter(function (rep) {\n      return rep.width === playerWidth && rep.height === playerHeight;\n    });\n    highestRemainingBandwidthRep = resolutionBestRepList[resolutionBestRepList.length - 1]; // ensure that we pick the highest bandwidth variant that have exact resolution\n\n    var resolutionBestRep = resolutionBestRepList.filter(function (rep) {\n      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n    })[0];\n    var resolutionPlusOneList = void 0;\n    var resolutionPlusOneSmallest = void 0;\n    var resolutionPlusOneRep = void 0; // find the smallest variant that is larger than the player\n    // if there is no match of exact resolution\n\n    if (!resolutionBestRep) {\n      resolutionPlusOneList = haveResolution.filter(function (rep) {\n        return rep.width > playerWidth || rep.height > playerHeight;\n      }); // find all the variants have the same smallest resolution\n\n      resolutionPlusOneSmallest = resolutionPlusOneList.filter(function (rep) {\n        return rep.width === resolutionPlusOneList[0].width && rep.height === resolutionPlusOneList[0].height;\n      }); // ensure that we also pick the highest bandwidth variant that\n      // is just-larger-than the video player\n\n      highestRemainingBandwidthRep = resolutionPlusOneSmallest[resolutionPlusOneSmallest.length - 1];\n      resolutionPlusOneRep = resolutionPlusOneSmallest.filter(function (rep) {\n        return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n      })[0];\n    } // fallback chain of variants\n\n\n    var chosenRep = resolutionPlusOneRep || resolutionBestRep || bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];\n    return chosenRep ? chosenRep.playlist : null;\n  }; // Playlist Selectors\n\n  /**\n   * Chooses the appropriate media playlist based on the most recent\n   * bandwidth estimate and the player size.\n   *\n   * Expects to be called within the context of an instance of HlsHandler\n   *\n   * @return {Playlist} the highest bitrate playlist less than the\n   * currently detected bandwidth, accounting for some amount of\n   * bandwidth variance\n   */\n\n\n  var lastBandwidthSelector = function lastBandwidthSelector() {\n    return simpleSelector(this.playlists.master, this.systemBandwidth, parseInt(safeGetComputedStyle(this.tech_.el(), 'width'), 10), parseInt(safeGetComputedStyle(this.tech_.el(), 'height'), 10), this.limitRenditionByPlayerDimensions);\n  };\n  /**\n   * Chooses the appropriate media playlist based on the potential to rebuffer\n   *\n   * @param {Object} settings\n   *        Object of information required to use this selector\n   * @param {Object} settings.master\n   *        Object representation of the master manifest\n   * @param {Number} settings.currentTime\n   *        The current time of the player\n   * @param {Number} settings.bandwidth\n   *        Current measured bandwidth\n   * @param {Number} settings.duration\n   *        Duration of the media\n   * @param {Number} settings.segmentDuration\n   *        Segment duration to be used in round trip time calculations\n   * @param {Number} settings.timeUntilRebuffer\n   *        Time left in seconds until the player has to rebuffer\n   * @param {Number} settings.currentTimeline\n   *        The current timeline segments are being loaded from\n   * @param {SyncController} settings.syncController\n   *        SyncController for determining if we have a sync point for a given playlist\n   * @return {Object|null}\n   *         {Object} return.playlist\n   *         The highest bandwidth playlist with the least amount of rebuffering\n   *         {Number} return.rebufferingImpact\n   *         The amount of time in seconds switching to this playlist will rebuffer. A\n   *         negative value means that switching will cause zero rebuffering.\n   */\n\n\n  var minRebufferMaxBandwidthSelector = function minRebufferMaxBandwidthSelector(settings) {\n    var master = settings.master,\n        currentTime = settings.currentTime,\n        bandwidth = settings.bandwidth,\n        duration$$1 = settings.duration,\n        segmentDuration = settings.segmentDuration,\n        timeUntilRebuffer = settings.timeUntilRebuffer,\n        currentTimeline = settings.currentTimeline,\n        syncController = settings.syncController; // filter out any playlists that have been excluded due to\n    // incompatible configurations\n\n    var compatiblePlaylists = master.playlists.filter(function (playlist) {\n      return !Playlist.isIncompatible(playlist);\n    }); // filter out any playlists that have been disabled manually through the representations\n    // api or blacklisted temporarily due to playback errors.\n\n    var enabledPlaylists = compatiblePlaylists.filter(Playlist.isEnabled);\n\n    if (!enabledPlaylists.length) {\n      // if there are no enabled playlists, then they have all been blacklisted or disabled\n      // by the user through the representations api. In this case, ignore blacklisting and\n      // fallback to what the user wants by using playlists the user has not disabled.\n      enabledPlaylists = compatiblePlaylists.filter(function (playlist) {\n        return !Playlist.isDisabled(playlist);\n      });\n    }\n\n    var bandwidthPlaylists = enabledPlaylists.filter(Playlist.hasAttribute.bind(null, 'BANDWIDTH'));\n    var rebufferingEstimates = bandwidthPlaylists.map(function (playlist) {\n      var syncPoint = syncController.getSyncPoint(playlist, duration$$1, currentTimeline, currentTime); // If there is no sync point for this playlist, switching to it will require a\n      // sync request first. This will double the request time\n\n      var numRequests = syncPoint ? 1 : 2;\n      var requestTimeEstimate = Playlist.estimateSegmentRequestTime(segmentDuration, bandwidth, playlist);\n      var rebufferingImpact = requestTimeEstimate * numRequests - timeUntilRebuffer;\n      return {\n        playlist: playlist,\n        rebufferingImpact: rebufferingImpact\n      };\n    });\n    var noRebufferingPlaylists = rebufferingEstimates.filter(function (estimate) {\n      return estimate.rebufferingImpact <= 0;\n    }); // Sort by bandwidth DESC\n\n    stableSort(noRebufferingPlaylists, function (a, b) {\n      return comparePlaylistBandwidth(b.playlist, a.playlist);\n    });\n\n    if (noRebufferingPlaylists.length) {\n      return noRebufferingPlaylists[0];\n    }\n\n    stableSort(rebufferingEstimates, function (a, b) {\n      return a.rebufferingImpact - b.rebufferingImpact;\n    });\n    return rebufferingEstimates[0] || null;\n  };\n  /**\n   * Chooses the appropriate media playlist, which in this case is the lowest bitrate\n   * one with video.  If no renditions with video exist, return the lowest audio rendition.\n   *\n   * Expects to be called within the context of an instance of HlsHandler\n   *\n   * @return {Object|null}\n   *         {Object} return.playlist\n   *         The lowest bitrate playlist that contains a video codec.  If no such rendition\n   *         exists pick the lowest audio rendition.\n   */\n\n\n  var lowestBitrateCompatibleVariantSelector = function lowestBitrateCompatibleVariantSelector() {\n    // filter out any playlists that have been excluded due to\n    // incompatible configurations or playback errors\n    var playlists = this.playlists.master.playlists.filter(Playlist.isEnabled); // Sort ascending by bitrate\n\n    stableSort(playlists, function (a, b) {\n      return comparePlaylistBandwidth(a, b);\n    }); // Parse and assume that playlists with no video codec have no video\n    // (this is not necessarily true, although it is generally true).\n    //\n    // If an entire manifest has no valid videos everything will get filtered\n    // out.\n\n    var playlistsWithVideo = playlists.filter(function (playlist) {\n      return parseCodecs(playlist.attributes.CODECS).videoCodec;\n    });\n    return playlistsWithVideo[0] || null;\n  };\n  /**\n   * Create captions text tracks on video.js if they do not exist\n   *\n   * @param {Object} inbandTextTracks a reference to current inbandTextTracks\n   * @param {Object} tech the video.js tech\n   * @param {Object} captionStreams the caption streams to create\n   * @private\n   */\n\n\n  var createCaptionsTrackIfNotExists = function createCaptionsTrackIfNotExists(inbandTextTracks, tech, captionStreams) {\n    for (var trackId in captionStreams) {\n      if (!inbandTextTracks[trackId]) {\n        tech.trigger({\n          type: 'usage',\n          name: 'hls-608'\n        });\n        var track = tech.textTracks().getTrackById(trackId);\n\n        if (track) {\n          // Resuse an existing track with a CC# id because this was\n          // very likely created by videojs-contrib-hls from information\n          // in the m3u8 for us to use\n          inbandTextTracks[trackId] = track;\n        } else {\n          // Otherwise, create a track with the default `CC#` label and\n          // without a language\n          inbandTextTracks[trackId] = tech.addRemoteTextTrack({\n            kind: 'captions',\n            id: trackId,\n            label: trackId\n          }, false).track;\n        }\n      }\n    }\n  };\n\n  var addCaptionData = function addCaptionData(_ref) {\n    var inbandTextTracks = _ref.inbandTextTracks,\n        captionArray = _ref.captionArray,\n        timestampOffset = _ref.timestampOffset;\n\n    if (!captionArray) {\n      return;\n    }\n\n    var Cue = window.WebKitDataCue || window.VTTCue;\n    captionArray.forEach(function (caption) {\n      var track = caption.stream;\n      var startTime = caption.startTime;\n      var endTime = caption.endTime;\n\n      if (!inbandTextTracks[track]) {\n        return;\n      }\n\n      startTime += timestampOffset;\n      endTime += timestampOffset;\n      inbandTextTracks[track].addCue(new Cue(startTime, endTime, caption.text));\n    });\n  };\n  /**\n   * @file segment-loader.js\n   */\n  // in ms\n\n\n  var CHECK_BUFFER_DELAY = 500;\n  /**\n   * Determines if we should call endOfStream on the media source based\n   * on the state of the buffer or if appened segment was the final\n   * segment in the playlist.\n   *\n   * @param {Object} playlist a media playlist object\n   * @param {Object} mediaSource the MediaSource object\n   * @param {Number} segmentIndex the index of segment we last appended\n   * @returns {Boolean} do we need to call endOfStream on the MediaSource\n   */\n\n  var detectEndOfStream = function detectEndOfStream(playlist, mediaSource, segmentIndex) {\n    if (!playlist || !mediaSource) {\n      return false;\n    }\n\n    var segments = playlist.segments; // determine a few boolean values to help make the branch below easier\n    // to read\n\n    var appendedLastSegment = segmentIndex === segments.length; // if we've buffered to the end of the video, we need to call endOfStream\n    // so that MediaSources can trigger the `ended` event when it runs out of\n    // buffered data instead of waiting for me\n\n    return playlist.endList && mediaSource.readyState === 'open' && appendedLastSegment;\n  };\n\n  var finite = function finite(num) {\n    return typeof num === 'number' && isFinite(num);\n  };\n\n  var illegalMediaSwitch = function illegalMediaSwitch(loaderType, startingMedia, newSegmentMedia) {\n    // Although these checks should most likely cover non 'main' types, for now it narrows\n    // the scope of our checks.\n    if (loaderType !== 'main' || !startingMedia || !newSegmentMedia) {\n      return null;\n    }\n\n    if (!newSegmentMedia.containsAudio && !newSegmentMedia.containsVideo) {\n      return 'Neither audio nor video found in segment.';\n    }\n\n    if (startingMedia.containsVideo && !newSegmentMedia.containsVideo) {\n      return 'Only audio found in segment when we expected video.' + ' We can\\'t switch to audio only from a stream that had video.' + ' To get rid of this message, please add codec information to the manifest.';\n    }\n\n    if (!startingMedia.containsVideo && newSegmentMedia.containsVideo) {\n      return 'Video found in segment when we expected only audio.' + ' We can\\'t switch to a stream with video from an audio only stream.' + ' To get rid of this message, please add codec information to the manifest.';\n    }\n\n    return null;\n  };\n  /**\n   * Calculates a time value that is safe to remove from the back buffer without interupting\n   * playback.\n   *\n   * @param {TimeRange} seekable\n   *        The current seekable range\n   * @param {Number} currentTime\n   *        The current time of the player\n   * @param {Number} targetDuration\n   *        The target duration of the current playlist\n   * @return {Number}\n   *         Time that is safe to remove from the back buffer without interupting playback\n   */\n\n\n  var safeBackBufferTrimTime = function safeBackBufferTrimTime(seekable$$1, currentTime, targetDuration) {\n    // 30 seconds before the playhead provides a safe default for trimming.\n    //\n    // Choosing a reasonable default is particularly important for high bitrate content and\n    // VOD videos/live streams with large windows, as the buffer may end up overfilled and\n    // throw an APPEND_BUFFER_ERR.\n    var trimTime = currentTime - 30;\n\n    if (seekable$$1.length) {\n      // Some live playlists may have a shorter window of content than the full allowed back\n      // buffer. For these playlists, don't save content that's no longer within the window.\n      trimTime = Math.max(trimTime, seekable$$1.start(0));\n    } // Don't remove within target duration of the current time to avoid the possibility of\n    // removing the GOP currently being played, as removing it can cause playback stalls.\n\n\n    var maxTrimTime = currentTime - targetDuration;\n    return Math.min(maxTrimTime, trimTime);\n  };\n\n  var segmentInfoString = function segmentInfoString(segmentInfo) {\n    var _segmentInfo$segment = segmentInfo.segment,\n        start = _segmentInfo$segment.start,\n        end = _segmentInfo$segment.end,\n        _segmentInfo$playlist = segmentInfo.playlist,\n        seq = _segmentInfo$playlist.mediaSequence,\n        id = _segmentInfo$playlist.id,\n        _segmentInfo$playlist2 = _segmentInfo$playlist.segments,\n        segments = _segmentInfo$playlist2 === undefined ? [] : _segmentInfo$playlist2,\n        index = segmentInfo.mediaIndex,\n        timeline = segmentInfo.timeline;\n    return ['appending [' + index + '] of [' + seq + ', ' + (seq + segments.length) + '] from playlist [' + id + ']', '[' + start + ' => ' + end + '] in timeline [' + timeline + ']'].join(' ');\n  };\n  /**\n   * An object that manages segment loading and appending.\n   *\n   * @class SegmentLoader\n   * @param {Object} options required and optional options\n   * @extends videojs.EventTarget\n   */\n\n\n  var SegmentLoader = function (_videojs$EventTarget) {\n    inherits$2(SegmentLoader, _videojs$EventTarget);\n\n    function SegmentLoader(settings) {\n      classCallCheck$1(this, SegmentLoader); // check pre-conditions\n\n      var _this = possibleConstructorReturn$1(this, (SegmentLoader.__proto__ || Object.getPrototypeOf(SegmentLoader)).call(this));\n\n      if (!settings) {\n        throw new TypeError('Initialization settings are required');\n      }\n\n      if (typeof settings.currentTime !== 'function') {\n        throw new TypeError('No currentTime getter specified');\n      }\n\n      if (!settings.mediaSource) {\n        throw new TypeError('No MediaSource specified');\n      } // public properties\n\n\n      _this.bandwidth = settings.bandwidth;\n      _this.throughput = {\n        rate: 0,\n        count: 0\n      };\n      _this.roundTrip = NaN;\n\n      _this.resetStats_();\n\n      _this.mediaIndex = null; // private settings\n\n      _this.hasPlayed_ = settings.hasPlayed;\n      _this.currentTime_ = settings.currentTime;\n      _this.seekable_ = settings.seekable;\n      _this.seeking_ = settings.seeking;\n      _this.duration_ = settings.duration;\n      _this.mediaSource_ = settings.mediaSource;\n      _this.hls_ = settings.hls;\n      _this.loaderType_ = settings.loaderType;\n      _this.startingMedia_ = void 0;\n      _this.segmentMetadataTrack_ = settings.segmentMetadataTrack;\n      _this.goalBufferLength_ = settings.goalBufferLength;\n      _this.sourceType_ = settings.sourceType;\n      _this.inbandTextTracks_ = settings.inbandTextTracks;\n      _this.state_ = 'INIT'; // private instance variables\n\n      _this.checkBufferTimeout_ = null;\n      _this.error_ = void 0;\n      _this.currentTimeline_ = -1;\n      _this.pendingSegment_ = null;\n      _this.mimeType_ = null;\n      _this.sourceUpdater_ = null;\n      _this.xhrOptions_ = null; // Fragmented mp4 playback\n\n      _this.activeInitSegmentId_ = null;\n      _this.initSegments_ = {}; // HLSe playback\n\n      _this.cacheEncryptionKeys_ = settings.cacheEncryptionKeys;\n      _this.keyCache_ = {}; // Fmp4 CaptionParser\n\n      if (_this.loaderType_ === 'main') {\n        _this.captionParser_ = new captionParser();\n      } else {\n        _this.captionParser_ = null;\n      }\n\n      _this.decrypter_ = settings.decrypter; // Manages the tracking and generation of sync-points, mappings\n      // between a time in the display time and a segment index within\n      // a playlist\n\n      _this.syncController_ = settings.syncController;\n      _this.syncPoint_ = {\n        segmentIndex: 0,\n        time: 0\n      };\n\n      _this.triggerSyncInfoUpdate_ = function () {\n        return _this.trigger('syncinfoupdate');\n      };\n\n      _this.syncController_.on('syncinfoupdate', _this.triggerSyncInfoUpdate_);\n\n      _this.mediaSource_.addEventListener('sourceopen', function () {\n        return _this.ended_ = false;\n      }); // ...for determining the fetch location\n\n\n      _this.fetchAtBuffer_ = false;\n      _this.logger_ = logger('SegmentLoader[' + _this.loaderType_ + ']');\n      Object.defineProperty(_this, 'state', {\n        get: function get$$1() {\n          return this.state_;\n        },\n        set: function set$$1(newState) {\n          if (newState !== this.state_) {\n            this.logger_(this.state_ + ' -> ' + newState);\n            this.state_ = newState;\n          }\n        }\n      });\n      return _this;\n    }\n    /**\n     * reset all of our media stats\n     *\n     * @private\n     */\n\n\n    createClass$1(SegmentLoader, [{\n      key: 'resetStats_',\n      value: function resetStats_() {\n        this.mediaBytesTransferred = 0;\n        this.mediaRequests = 0;\n        this.mediaRequestsAborted = 0;\n        this.mediaRequestsTimedout = 0;\n        this.mediaRequestsErrored = 0;\n        this.mediaTransferDuration = 0;\n        this.mediaSecondsLoaded = 0;\n      }\n      /**\n       * dispose of the SegmentLoader and reset to the default state\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.state = 'DISPOSED';\n        this.pause();\n        this.abort_();\n\n        if (this.sourceUpdater_) {\n          this.sourceUpdater_.dispose();\n        }\n\n        this.resetStats_();\n\n        if (this.captionParser_) {\n          this.captionParser_.reset();\n        }\n\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        if (this.syncController_ && this.triggerSyncInfoUpdate_) {\n          this.syncController_.off('syncinfoupdate', this.triggerSyncInfoUpdate_);\n        }\n\n        this.off();\n      }\n      /**\n       * abort anything that is currently doing on with the SegmentLoader\n       * and reset to a default state\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort() {\n        if (this.state !== 'WAITING') {\n          if (this.pendingSegment_) {\n            this.pendingSegment_ = null;\n          }\n\n          return;\n        }\n\n        this.abort_(); // We aborted the requests we were waiting on, so reset the loader's state to READY\n        // since we are no longer \"waiting\" on any requests. XHR callback is not always run\n        // when the request is aborted. This will prevent the loader from being stuck in the\n        // WAITING state indefinitely.\n\n        this.state = 'READY'; // don't wait for buffer check timeouts to begin fetching the\n        // next segment\n\n        if (!this.paused()) {\n          this.monitorBuffer_();\n        }\n      }\n      /**\n       * abort all pending xhr requests and null any pending segements\n       *\n       * @private\n       */\n\n    }, {\n      key: 'abort_',\n      value: function abort_() {\n        if (this.pendingSegment_) {\n          this.pendingSegment_.abortRequests();\n        } // clear out the segment being processed\n\n\n        this.pendingSegment_ = null;\n      }\n      /**\n       * set an error on the segment loader and null out any pending segements\n       *\n       * @param {Error} error the error to set on the SegmentLoader\n       * @return {Error} the error that was set or that is currently set\n       */\n\n    }, {\n      key: 'error',\n      value: function error(_error) {\n        if (typeof _error !== 'undefined') {\n          this.error_ = _error;\n        }\n\n        this.pendingSegment_ = null;\n        return this.error_;\n      }\n    }, {\n      key: 'endOfStream',\n      value: function endOfStream() {\n        this.ended_ = true;\n        this.pause();\n        this.trigger('ended');\n      }\n      /**\n       * Indicates which time ranges are buffered\n       *\n       * @return {TimeRange}\n       *         TimeRange object representing the current buffered ranges\n       */\n\n    }, {\n      key: 'buffered_',\n      value: function buffered_() {\n        if (!this.sourceUpdater_) {\n          return videojs$1.createTimeRanges();\n        }\n\n        return this.sourceUpdater_.buffered();\n      }\n      /**\n       * Gets and sets init segment for the provided map\n       *\n       * @param {Object} map\n       *        The map object representing the init segment to get or set\n       * @param {Boolean=} set\n       *        If true, the init segment for the provided map should be saved\n       * @return {Object}\n       *         map object for desired init segment\n       */\n\n    }, {\n      key: 'initSegment',\n      value: function initSegment(map) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!map) {\n          return null;\n        }\n\n        var id = initSegmentId(map);\n        var storedMap = this.initSegments_[id];\n\n        if (set$$1 && !storedMap && map.bytes) {\n          this.initSegments_[id] = storedMap = {\n            resolvedUri: map.resolvedUri,\n            byterange: map.byterange,\n            bytes: map.bytes,\n            timescales: map.timescales,\n            videoTrackIds: map.videoTrackIds\n          };\n        }\n\n        return storedMap || map;\n      }\n      /**\n       * Gets and sets key for the provided key\n       *\n       * @param {Object} key\n       *        The key object representing the key to get or set\n       * @param {Boolean=} set\n       *        If true, the key for the provided key should be saved\n       * @return {Object}\n       *         Key object for desired key\n       */\n\n    }, {\n      key: 'segmentKey',\n      value: function segmentKey(key) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!key) {\n          return null;\n        }\n\n        var id = segmentKeyId(key);\n        var storedKey = this.keyCache_[id]; // TODO: We should use the HTTP Expires header to invalidate our cache per\n        // https://tools.ietf.org/html/draft-pantos-http-live-streaming-23#section-6.2.3\n\n        if (this.cacheEncryptionKeys_ && set$$1 && !storedKey && key.bytes) {\n          this.keyCache_[id] = storedKey = {\n            resolvedUri: key.resolvedUri,\n            bytes: key.bytes\n          };\n        }\n\n        var result = {\n          resolvedUri: (storedKey || key).resolvedUri\n        };\n\n        if (storedKey) {\n          result.bytes = storedKey.bytes;\n        }\n\n        return result;\n      }\n      /**\n       * Returns true if all configuration required for loading is present, otherwise false.\n       *\n       * @return {Boolean} True if the all configuration is ready for loading\n       * @private\n       */\n\n    }, {\n      key: 'couldBeginLoading_',\n      value: function couldBeginLoading_() {\n        return this.playlist_ && ( // the source updater is created when init_ is called, so either having a\n        // source updater or being in the INIT state with a mimeType is enough\n        // to say we have all the needed configuration to start loading.\n        this.sourceUpdater_ || this.mimeType_ && this.state === 'INIT') && !this.paused();\n      }\n      /**\n       * load a playlist and start to fill the buffer\n       */\n\n    }, {\n      key: 'load',\n      value: function load() {\n        // un-pause\n        this.monitorBuffer_(); // if we don't have a playlist yet, keep waiting for one to be\n        // specified\n\n        if (!this.playlist_) {\n          return;\n        } // not sure if this is the best place for this\n\n\n        this.syncController_.setDateTimeMapping(this.playlist_); // if all the configuration is ready, initialize and begin loading\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          return this.init_();\n        } // if we're in the middle of processing a segment already, don't\n        // kick off an additional segment request\n\n\n        if (!this.couldBeginLoading_() || this.state !== 'READY' && this.state !== 'INIT') {\n          return;\n        }\n\n        this.state = 'READY';\n      }\n      /**\n       * Once all the starting parameters have been specified, begin\n       * operation. This method should only be invoked from the INIT\n       * state.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'init_',\n      value: function init_() {\n        this.state = 'READY';\n        this.sourceUpdater_ = new SourceUpdater(this.mediaSource_, this.mimeType_, this.loaderType_, this.sourceBufferEmitter_);\n        this.resetEverything();\n        return this.monitorBuffer_();\n      }\n      /**\n       * set a playlist on the segment loader\n       *\n       * @param {PlaylistLoader} media the playlist to set on the segment loader\n       */\n\n    }, {\n      key: 'playlist',\n      value: function playlist(newPlaylist) {\n        var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n        if (!newPlaylist) {\n          return;\n        }\n\n        var oldPlaylist = this.playlist_;\n        var segmentInfo = this.pendingSegment_;\n        this.playlist_ = newPlaylist;\n        this.xhrOptions_ = options; // when we haven't started playing yet, the start of a live playlist\n        // is always our zero-time so force a sync update each time the playlist\n        // is refreshed from the server\n        //\n        // Use the INIT state to determine if playback has started, as the playlist sync info\n        // should be fixed once requests begin (as sync points are generated based on sync\n        // info), but not before then.\n\n        if (this.state === 'INIT') {\n          newPlaylist.syncInfo = {\n            mediaSequence: newPlaylist.mediaSequence,\n            time: 0\n          };\n        }\n\n        var oldId = null;\n\n        if (oldPlaylist) {\n          if (oldPlaylist.id) {\n            oldId = oldPlaylist.id;\n          } else if (oldPlaylist.uri) {\n            oldId = oldPlaylist.uri;\n          }\n        }\n\n        this.logger_('playlist update [' + oldId + ' => ' + (newPlaylist.id || newPlaylist.uri) + ']'); // in VOD, this is always a rendition switch (or we updated our syncInfo above)\n        // in LIVE, we always want to update with new playlists (including refreshes)\n\n        this.trigger('syncinfoupdate'); // if we were unpaused but waiting for a playlist, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          return this.init_();\n        }\n\n        if (!oldPlaylist || oldPlaylist.uri !== newPlaylist.uri) {\n          if (this.mediaIndex !== null) {\n            // we must \"resync\" the segment loader when we switch renditions and\n            // the segment loader is already synced to the previous rendition\n            this.resyncLoader();\n          } // the rest of this function depends on `oldPlaylist` being defined\n\n\n          return;\n        } // we reloaded the same playlist so we are in a live scenario\n        // and we will likely need to adjust the mediaIndex\n\n\n        var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence;\n        this.logger_('live window shift [' + mediaSequenceDiff + ']'); // update the mediaIndex on the SegmentLoader\n        // this is important because we can abort a request and this value must be\n        // equal to the last appended mediaIndex\n\n        if (this.mediaIndex !== null) {\n          this.mediaIndex -= mediaSequenceDiff;\n        } // update the mediaIndex on the SegmentInfo object\n        // this is important because we will update this.mediaIndex with this value\n        // in `handleUpdateEnd_` after the segment has been successfully appended\n\n\n        if (segmentInfo) {\n          segmentInfo.mediaIndex -= mediaSequenceDiff; // we need to update the referenced segment so that timing information is\n          // saved for the new playlist's segment, however, if the segment fell off the\n          // playlist, we can leave the old reference and just lose the timing info\n\n          if (segmentInfo.mediaIndex >= 0) {\n            segmentInfo.segment = newPlaylist.segments[segmentInfo.mediaIndex];\n          }\n        }\n\n        this.syncController_.saveExpiredSegmentInfo(oldPlaylist, newPlaylist);\n      }\n      /**\n       * Prevent the loader from fetching additional segments. If there\n       * is a segment request outstanding, it will finish processing\n       * before the loader halts. A segment loader can be unpaused by\n       * calling load().\n       */\n\n    }, {\n      key: 'pause',\n      value: function pause() {\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n          this.checkBufferTimeout_ = null;\n        }\n      }\n      /**\n       * Returns whether the segment loader is fetching additional\n       * segments when given the opportunity. This property can be\n       * modified through calls to pause() and load().\n       */\n\n    }, {\n      key: 'paused',\n      value: function paused() {\n        return this.checkBufferTimeout_ === null;\n      }\n      /**\n       * create/set the following mimetype on the SourceBuffer through a\n       * SourceUpdater\n       *\n       * @param {String} mimeType the mime type string to use\n       * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer\n       * is added to the media source\n       */\n\n    }, {\n      key: 'mimeType',\n      value: function mimeType(_mimeType, sourceBufferEmitter) {\n        if (this.mimeType_) {\n          return;\n        }\n\n        this.mimeType_ = _mimeType;\n        this.sourceBufferEmitter_ = sourceBufferEmitter; // if we were unpaused but waiting for a sourceUpdater, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          this.init_();\n        }\n      }\n      /**\n       * Delete all the buffered data and reset the SegmentLoader\n       * @param {Function} [done] an optional callback to be executed when the remove\n       * operation is complete\n       */\n\n    }, {\n      key: 'resetEverything',\n      value: function resetEverything(done) {\n        this.ended_ = false;\n        this.resetLoader(); // remove from 0, the earliest point, to Infinity, to signify removal of everything.\n        // VTT Segment Loader doesn't need to do anything but in the regular SegmentLoader,\n        // we then clamp the value to duration if necessary.\n\n        this.remove(0, Infinity, done); // clears fmp4 captions\n\n        if (this.captionParser_) {\n          this.captionParser_.clearAllCaptions();\n        }\n\n        this.trigger('reseteverything');\n      }\n      /**\n       * Force the SegmentLoader to resync and start loading around the currentTime instead\n       * of starting at the end of the buffer\n       *\n       * Useful for fast quality changes\n       */\n\n    }, {\n      key: 'resetLoader',\n      value: function resetLoader() {\n        this.fetchAtBuffer_ = false;\n        this.resyncLoader();\n      }\n      /**\n       * Force the SegmentLoader to restart synchronization and make a conservative guess\n       * before returning to the simple walk-forward method\n       */\n\n    }, {\n      key: 'resyncLoader',\n      value: function resyncLoader() {\n        this.mediaIndex = null;\n        this.syncPoint_ = null;\n        this.abort();\n      }\n      /**\n       * Remove any data in the source buffer between start and end times\n       * @param {Number} start - the start time of the region to remove from the buffer\n       * @param {Number} end - the end time of the region to remove from the buffer\n       * @param {Function} [done] - an optional callback to be executed when the remove\n       * operation is complete\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end, done) {\n        // clamp end to duration if we need to remove everything.\n        // This is due to a browser bug that causes issues if we remove to Infinity.\n        // videojs/videojs-contrib-hls#1225\n        if (end === Infinity) {\n          end = this.duration_();\n        }\n\n        if (this.sourceUpdater_) {\n          this.sourceUpdater_.remove(start, end, done);\n        }\n\n        removeCuesFromTrack(start, end, this.segmentMetadataTrack_);\n\n        if (this.inbandTextTracks_) {\n          for (var id in this.inbandTextTracks_) {\n            removeCuesFromTrack(start, end, this.inbandTextTracks_[id]);\n          }\n        }\n      }\n      /**\n       * (re-)schedule monitorBufferTick_ to run as soon as possible\n       *\n       * @private\n       */\n\n    }, {\n      key: 'monitorBuffer_',\n      value: function monitorBuffer_() {\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), 1);\n      }\n      /**\n       * As long as the SegmentLoader is in the READY state, periodically\n       * invoke fillBuffer_().\n       *\n       * @private\n       */\n\n    }, {\n      key: 'monitorBufferTick_',\n      value: function monitorBufferTick_() {\n        if (this.state === 'READY') {\n          this.fillBuffer_();\n        }\n\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), CHECK_BUFFER_DELAY);\n      }\n      /**\n       * fill the buffer with segements unless the sourceBuffers are\n       * currently updating\n       *\n       * Note: this function should only ever be called by monitorBuffer_\n       * and never directly\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fillBuffer_',\n      value: function fillBuffer_() {\n        if (this.sourceUpdater_.updating()) {\n          return;\n        }\n\n        if (!this.syncPoint_) {\n          this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());\n        } // see if we need to begin loading immediately\n\n\n        var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);\n\n        if (!segmentInfo) {\n          return;\n        }\n\n        if (this.isEndOfStream_(segmentInfo.mediaIndex)) {\n          this.endOfStream();\n          return;\n        }\n\n        if (segmentInfo.mediaIndex === this.playlist_.segments.length - 1 && this.mediaSource_.readyState === 'ended' && !this.seeking_()) {\n          return;\n        } // We will need to change timestampOffset of the sourceBuffer if:\n        // - The segment.timeline !== this.currentTimeline\n        //   (we are crossing a discontinuity somehow)\n        // - The \"timestampOffset\" for the start of this segment is less than\n        //   the currently set timestampOffset\n        // Also, clear captions if we are crossing a discontinuity boundary\n        // Previously, we changed the timestampOffset if the start of this segment\n        // is less than the currently set timestampOffset but this isn't wanted\n        // as it can produce bad behavior, especially around long running\n        // live streams\n\n\n        if (segmentInfo.timeline !== this.currentTimeline_) {\n          this.syncController_.reset();\n          segmentInfo.timestampOffset = segmentInfo.startOfSegment;\n\n          if (this.captionParser_) {\n            this.captionParser_.clearAllCaptions();\n          }\n        }\n\n        this.loadSegment_(segmentInfo);\n      }\n      /**\n       * Determines if this segment loader is at the end of it's stream.\n       *\n       * @param {Number} mediaIndex the index of segment we last appended\n       * @param {Object} [playlist=this.playlist_] a media playlist object\n       * @returns {Boolean} true if at end of stream, false otherwise.\n       */\n\n    }, {\n      key: 'isEndOfStream_',\n      value: function isEndOfStream_(mediaIndex) {\n        var playlist = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.playlist_;\n        return detectEndOfStream(playlist, this.mediaSource_, mediaIndex) && !this.sourceUpdater_.updating();\n      }\n      /**\n       * Determines what segment request should be made, given current playback\n       * state.\n       *\n       * @param {TimeRanges} buffered - the state of the buffer\n       * @param {Object} playlist - the playlist object to fetch segments from\n       * @param {Number} mediaIndex - the previous mediaIndex fetched or null\n       * @param {Boolean} hasPlayed - a flag indicating whether we have played or not\n       * @param {Number} currentTime - the playback position in seconds\n       * @param {Object} syncPoint - a segment info object that describes the\n       * @returns {Object} a segment request object that describes the segment to load\n       */\n\n    }, {\n      key: 'checkBuffer_',\n      value: function checkBuffer_(buffered, playlist, mediaIndex, hasPlayed, currentTime, syncPoint) {\n        var lastBufferedEnd = 0;\n        var startOfSegment = void 0;\n\n        if (buffered.length) {\n          lastBufferedEnd = buffered.end(buffered.length - 1);\n        }\n\n        var bufferedTime = Math.max(0, lastBufferedEnd - currentTime);\n\n        if (!playlist.segments.length) {\n          return null;\n        } // if there is plenty of content buffered, and the video has\n        // been played before relax for awhile\n\n\n        if (bufferedTime >= this.goalBufferLength_()) {\n          return null;\n        } // if the video has not yet played once, and we already have\n        // one segment downloaded do nothing\n\n\n        if (!hasPlayed && bufferedTime >= 1) {\n          return null;\n        } // When the syncPoint is null, there is no way of determining a good\n        // conservative segment index to fetch from\n        // The best thing to do here is to get the kind of sync-point data by\n        // making a request\n\n\n        if (syncPoint === null) {\n          mediaIndex = this.getSyncSegmentCandidate_(playlist);\n          return this.generateSegmentInfo_(playlist, mediaIndex, null, true);\n        } // Under normal playback conditions fetching is a simple walk forward\n\n\n        if (mediaIndex !== null) {\n          var segment = playlist.segments[mediaIndex];\n          startOfSegment = lastBufferedEnd;\n          return this.generateSegmentInfo_(playlist, mediaIndex + 1, startOfSegment, false);\n        } // There is a sync-point but the lack of a mediaIndex indicates that\n        // we need to make a good conservative guess about which segment to\n        // fetch\n\n\n        if (this.fetchAtBuffer_) {\n          // Find the segment containing the end of the buffer\n          var mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, lastBufferedEnd, syncPoint.segmentIndex, syncPoint.time);\n          mediaIndex = mediaSourceInfo.mediaIndex;\n          startOfSegment = mediaSourceInfo.startTime;\n        } else {\n          // Find the segment containing currentTime\n          var _mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, currentTime, syncPoint.segmentIndex, syncPoint.time);\n\n          mediaIndex = _mediaSourceInfo.mediaIndex;\n          startOfSegment = _mediaSourceInfo.startTime;\n        }\n\n        return this.generateSegmentInfo_(playlist, mediaIndex, startOfSegment, false);\n      }\n      /**\n       * The segment loader has no recourse except to fetch a segment in the\n       * current playlist and use the internal timestamps in that segment to\n       * generate a syncPoint. This function returns a good candidate index\n       * for that process.\n       *\n       * @param {Object} playlist - the playlist object to look for a\n       * @returns {Number} An index of a segment from the playlist to load\n       */\n\n    }, {\n      key: 'getSyncSegmentCandidate_',\n      value: function getSyncSegmentCandidate_(playlist) {\n        var _this2 = this;\n\n        if (this.currentTimeline_ === -1) {\n          return 0;\n        }\n\n        var segmentIndexArray = playlist.segments.map(function (s, i) {\n          return {\n            timeline: s.timeline,\n            segmentIndex: i\n          };\n        }).filter(function (s) {\n          return s.timeline === _this2.currentTimeline_;\n        });\n\n        if (segmentIndexArray.length) {\n          return segmentIndexArray[Math.min(segmentIndexArray.length - 1, 1)].segmentIndex;\n        }\n\n        return Math.max(playlist.segments.length - 1, 0);\n      }\n    }, {\n      key: 'generateSegmentInfo_',\n      value: function generateSegmentInfo_(playlist, mediaIndex, startOfSegment, isSyncRequest) {\n        if (mediaIndex < 0 || mediaIndex >= playlist.segments.length) {\n          return null;\n        }\n\n        var segment = playlist.segments[mediaIndex];\n        return {\n          requestId: 'segment-loader-' + Math.random(),\n          // resolve the segment URL relative to the playlist\n          uri: segment.resolvedUri,\n          // the segment's mediaIndex at the time it was requested\n          mediaIndex: mediaIndex,\n          // whether or not to update the SegmentLoader's state with this\n          // segment's mediaIndex\n          isSyncRequest: isSyncRequest,\n          startOfSegment: startOfSegment,\n          // the segment's playlist\n          playlist: playlist,\n          // unencrypted bytes of the segment\n          bytes: null,\n          // when a key is defined for this segment, the encrypted bytes\n          encryptedBytes: null,\n          // The target timestampOffset for this segment when we append it\n          // to the source buffer\n          timestampOffset: null,\n          // The timeline that the segment is in\n          timeline: segment.timeline,\n          // The expected duration of the segment in seconds\n          duration: segment.duration,\n          // retain the segment in case the playlist updates while doing an async process\n          segment: segment\n        };\n      }\n      /**\n       * Determines if the network has enough bandwidth to complete the current segment\n       * request in a timely manner. If not, the request will be aborted early and bandwidth\n       * updated to trigger a playlist switch.\n       *\n       * @param {Object} stats\n       *        Object containing stats about the request timing and size\n       * @return {Boolean} True if the request was aborted, false otherwise\n       * @private\n       */\n\n    }, {\n      key: 'abortRequestEarly_',\n      value: function abortRequestEarly_(stats) {\n        if (this.hls_.tech_.paused() || // Don't abort if the current playlist is on the lowestEnabledRendition\n        // TODO: Replace using timeout with a boolean indicating whether this playlist is\n        //       the lowestEnabledRendition.\n        !this.xhrOptions_.timeout || // Don't abort if we have no bandwidth information to estimate segment sizes\n        !this.playlist_.attributes.BANDWIDTH) {\n          return false;\n        } // Wait at least 1 second since the first byte of data has been received before\n        // using the calculated bandwidth from the progress event to allow the bitrate\n        // to stabilize\n\n\n        if (Date.now() - (stats.firstBytesReceivedAt || Date.now()) < 1000) {\n          return false;\n        }\n\n        var currentTime = this.currentTime_();\n        var measuredBandwidth = stats.bandwidth;\n        var segmentDuration = this.pendingSegment_.duration;\n        var requestTimeRemaining = Playlist.estimateSegmentRequestTime(segmentDuration, measuredBandwidth, this.playlist_, stats.bytesReceived); // Subtract 1 from the timeUntilRebuffer so we still consider an early abort\n        // if we are only left with less than 1 second when the request completes.\n        // A negative timeUntilRebuffering indicates we are already rebuffering\n\n        var timeUntilRebuffer$$1 = timeUntilRebuffer(this.buffered_(), currentTime, this.hls_.tech_.playbackRate()) - 1; // Only consider aborting early if the estimated time to finish the download\n        // is larger than the estimated time until the player runs out of forward buffer\n\n        if (requestTimeRemaining <= timeUntilRebuffer$$1) {\n          return false;\n        }\n\n        var switchCandidate = minRebufferMaxBandwidthSelector({\n          master: this.hls_.playlists.master,\n          currentTime: currentTime,\n          bandwidth: measuredBandwidth,\n          duration: this.duration_(),\n          segmentDuration: segmentDuration,\n          timeUntilRebuffer: timeUntilRebuffer$$1,\n          currentTimeline: this.currentTimeline_,\n          syncController: this.syncController_\n        });\n\n        if (!switchCandidate) {\n          return;\n        }\n\n        var rebufferingImpact = requestTimeRemaining - timeUntilRebuffer$$1;\n        var timeSavedBySwitching = rebufferingImpact - switchCandidate.rebufferingImpact;\n        var minimumTimeSaving = 0.5; // If we are already rebuffering, increase the amount of variance we add to the\n        // potential round trip time of the new request so that we are not too aggressive\n        // with switching to a playlist that might save us a fraction of a second.\n\n        if (timeUntilRebuffer$$1 <= TIME_FUDGE_FACTOR) {\n          minimumTimeSaving = 1;\n        }\n\n        if (!switchCandidate.playlist || switchCandidate.playlist.uri === this.playlist_.uri || timeSavedBySwitching < minimumTimeSaving) {\n          return false;\n        } // set the bandwidth to that of the desired playlist being sure to scale by\n        // BANDWIDTH_VARIANCE and add one so the playlist selector does not exclude it\n        // don't trigger a bandwidthupdate as the bandwidth is artifial\n\n\n        this.bandwidth = switchCandidate.playlist.attributes.BANDWIDTH * Config.BANDWIDTH_VARIANCE + 1;\n        this.abort();\n        this.trigger('earlyabort');\n        return true;\n      }\n      /**\n       * XHR `progress` event handler\n       *\n       * @param {Event}\n       *        The XHR `progress` event\n       * @param {Object} simpleSegment\n       *        A simplified segment object copy\n       * @private\n       */\n\n    }, {\n      key: 'handleProgress_',\n      value: function handleProgress_(event, simpleSegment) {\n        if (!this.pendingSegment_ || simpleSegment.requestId !== this.pendingSegment_.requestId || this.abortRequestEarly_(simpleSegment.stats)) {\n          return;\n        }\n\n        this.trigger('progress');\n      }\n      /**\n       * load a specific segment from a request into the buffer\n       *\n       * @private\n       */\n\n    }, {\n      key: 'loadSegment_',\n      value: function loadSegment_(segmentInfo) {\n        this.state = 'WAITING';\n        this.pendingSegment_ = segmentInfo;\n        this.trimBackBuffer_(segmentInfo);\n        segmentInfo.abortRequests = mediaSegmentRequest(this.hls_.xhr, this.xhrOptions_, this.decrypter_, this.captionParser_, this.createSimplifiedSegmentObj_(segmentInfo), // progress callback\n        this.handleProgress_.bind(this), this.segmentRequestFinished_.bind(this));\n      }\n      /**\n       * trim the back buffer so that we don't have too much data\n       * in the source buffer\n       *\n       * @private\n       *\n       * @param {Object} segmentInfo - the current segment\n       */\n\n    }, {\n      key: 'trimBackBuffer_',\n      value: function trimBackBuffer_(segmentInfo) {\n        var removeToTime = safeBackBufferTrimTime(this.seekable_(), this.currentTime_(), this.playlist_.targetDuration || 10); // Chrome has a hard limit of 150MB of\n        // buffer and a very conservative \"garbage collector\"\n        // We manually clear out the old buffer to ensure\n        // we don't trigger the QuotaExceeded error\n        // on the source buffer during subsequent appends\n\n        if (removeToTime > 0) {\n          this.remove(0, removeToTime);\n        }\n      }\n      /**\n       * created a simplified copy of the segment object with just the\n       * information necessary to perform the XHR and decryption\n       *\n       * @private\n       *\n       * @param {Object} segmentInfo - the current segment\n       * @returns {Object} a simplified segment object copy\n       */\n\n    }, {\n      key: 'createSimplifiedSegmentObj_',\n      value: function createSimplifiedSegmentObj_(segmentInfo) {\n        var segment = segmentInfo.segment;\n        var simpleSegment = {\n          resolvedUri: segment.resolvedUri,\n          byterange: segment.byterange,\n          requestId: segmentInfo.requestId\n        };\n\n        if (segment.key) {\n          // if the media sequence is greater than 2^32, the IV will be incorrect\n          // assuming 10s segments, that would be about 1300 years\n          var iv = segment.key.iv || new Uint32Array([0, 0, 0, segmentInfo.mediaIndex + segmentInfo.playlist.mediaSequence]);\n          simpleSegment.key = this.segmentKey(segment.key);\n          simpleSegment.key.iv = iv;\n        }\n\n        if (segment.map) {\n          simpleSegment.map = this.initSegment(segment.map);\n        }\n\n        return simpleSegment;\n      }\n      /**\n       * Handle the callback from the segmentRequest function and set the\n       * associated SegmentLoader state and errors if necessary\n       *\n       * @private\n       */\n\n    }, {\n      key: 'segmentRequestFinished_',\n      value: function segmentRequestFinished_(error, simpleSegment) {\n        // every request counts as a media request even if it has been aborted\n        // or canceled due to a timeout\n        this.mediaRequests += 1;\n\n        if (simpleSegment.stats) {\n          this.mediaBytesTransferred += simpleSegment.stats.bytesReceived;\n          this.mediaTransferDuration += simpleSegment.stats.roundTripTime;\n        } // The request was aborted and the SegmentLoader has already been reset\n\n\n        if (!this.pendingSegment_) {\n          this.mediaRequestsAborted += 1;\n          return;\n        } // the request was aborted and the SegmentLoader has already started\n        // another request. this can happen when the timeout for an aborted\n        // request triggers due to a limitation in the XHR library\n        // do not count this as any sort of request or we risk double-counting\n\n\n        if (simpleSegment.requestId !== this.pendingSegment_.requestId) {\n          return;\n        } // an error occurred from the active pendingSegment_ so reset everything\n\n\n        if (error) {\n          this.pendingSegment_ = null;\n          this.state = 'READY'; // the requests were aborted just record the aborted stat and exit\n          // this is not a true error condition and nothing corrective needs\n          // to be done\n\n          if (error.code === REQUEST_ERRORS.ABORTED) {\n            this.mediaRequestsAborted += 1;\n            return;\n          }\n\n          this.pause(); // the error is really just that at least one of the requests timed-out\n          // set the bandwidth to a very low value and trigger an ABR switch to\n          // take emergency action\n\n          if (error.code === REQUEST_ERRORS.TIMEOUT) {\n            this.mediaRequestsTimedout += 1;\n            this.bandwidth = 1;\n            this.roundTrip = NaN;\n            this.trigger('bandwidthupdate');\n            return;\n          } // if control-flow has arrived here, then the error is real\n          // emit an error event to blacklist the current playlist\n\n\n          this.mediaRequestsErrored += 1;\n          this.error(error);\n          this.trigger('error');\n          return;\n        } // the response was a success so set any bandwidth stats the request\n        // generated for ABR purposes\n\n\n        this.bandwidth = simpleSegment.stats.bandwidth;\n        this.roundTrip = simpleSegment.stats.roundTripTime; // if this request included an initialization segment, save that data\n        // to the initSegment cache\n\n        if (simpleSegment.map) {\n          simpleSegment.map = this.initSegment(simpleSegment.map, true);\n        } // if this request included a segment key, save that data in the cache\n\n\n        if (simpleSegment.key) {\n          this.segmentKey(simpleSegment.key, true);\n        }\n\n        this.processSegmentResponse_(simpleSegment);\n      }\n      /**\n       * Move any important data from the simplified segment object\n       * back to the real segment object for future phases\n       *\n       * @private\n       */\n\n    }, {\n      key: 'processSegmentResponse_',\n      value: function processSegmentResponse_(simpleSegment) {\n        var segmentInfo = this.pendingSegment_;\n        segmentInfo.bytes = simpleSegment.bytes;\n\n        if (simpleSegment.map) {\n          segmentInfo.segment.map.bytes = simpleSegment.map.bytes;\n        }\n\n        segmentInfo.endOfAllRequests = simpleSegment.endOfAllRequests; // This has fmp4 captions, add them to text tracks\n\n        if (simpleSegment.fmp4Captions) {\n          createCaptionsTrackIfNotExists(this.inbandTextTracks_, this.hls_.tech_, simpleSegment.captionStreams);\n          addCaptionData({\n            inbandTextTracks: this.inbandTextTracks_,\n            captionArray: simpleSegment.fmp4Captions,\n            // fmp4s will not have a timestamp offset\n            timestampOffset: 0\n          }); // Reset stored captions since we added parsed\n          // captions to a text track at this point\n\n          if (this.captionParser_) {\n            this.captionParser_.clearParsedCaptions();\n          }\n        }\n\n        this.handleSegment_();\n      }\n      /**\n       * append a decrypted segement to the SourceBuffer through a SourceUpdater\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSegment_',\n      value: function handleSegment_() {\n        var _this3 = this;\n\n        if (!this.pendingSegment_) {\n          this.state = 'READY';\n          return;\n        }\n\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment;\n        var timingInfo = this.syncController_.probeSegmentInfo(segmentInfo); // When we have our first timing info, determine what media types this loader is\n        // dealing with. Although we're maintaining extra state, it helps to preserve the\n        // separation of segment loader from the actual source buffers.\n\n        if (typeof this.startingMedia_ === 'undefined' && timingInfo && ( // Guard against cases where we're not getting timing info at all until we are\n        // certain that all streams will provide it.\n        timingInfo.containsAudio || timingInfo.containsVideo)) {\n          this.startingMedia_ = {\n            containsAudio: timingInfo.containsAudio,\n            containsVideo: timingInfo.containsVideo\n          };\n        }\n\n        var illegalMediaSwitchError = illegalMediaSwitch(this.loaderType_, this.startingMedia_, timingInfo);\n\n        if (illegalMediaSwitchError) {\n          this.error({\n            message: illegalMediaSwitchError,\n            blacklistDuration: Infinity\n          });\n          this.trigger('error');\n          return;\n        }\n\n        if (segmentInfo.isSyncRequest) {\n          this.trigger('syncinfoupdate');\n          this.pendingSegment_ = null;\n          this.state = 'READY';\n          return;\n        }\n\n        if (segmentInfo.timestampOffset !== null && segmentInfo.timestampOffset !== this.sourceUpdater_.timestampOffset()) {\n          // Subtract any difference between the PTS and DTS times of the first frame\n          // from the timeStampOffset (which currently equals the buffered.end) to prevent\n          // creating any gaps in the buffer\n          if (timingInfo && timingInfo.segmentTimestampInfo) {\n            var ptsStartTime = timingInfo.segmentTimestampInfo[0].ptsTime;\n            var dtsStartTime = timingInfo.segmentTimestampInfo[0].dtsTime;\n            segmentInfo.timestampOffset -= ptsStartTime - dtsStartTime;\n          }\n\n          this.sourceUpdater_.timestampOffset(segmentInfo.timestampOffset); // fired when a timestamp offset is set in HLS (can also identify discontinuities)\n\n          this.trigger('timestampoffset');\n        }\n\n        var timelineMapping = this.syncController_.mappingForTimeline(segmentInfo.timeline);\n\n        if (timelineMapping !== null) {\n          this.trigger({\n            type: 'segmenttimemapping',\n            mapping: timelineMapping\n          });\n        }\n\n        this.state = 'APPENDING'; // if the media initialization segment is changing, append it\n        // before the content segment\n\n        if (segment.map) {\n          var initId = initSegmentId(segment.map);\n\n          if (!this.activeInitSegmentId_ || this.activeInitSegmentId_ !== initId) {\n            var initSegment = this.initSegment(segment.map);\n            this.sourceUpdater_.appendBuffer({\n              bytes: initSegment.bytes\n            }, function () {\n              _this3.activeInitSegmentId_ = initId;\n            });\n          }\n        }\n\n        segmentInfo.byteLength = segmentInfo.bytes.byteLength;\n\n        if (typeof segment.start === 'number' && typeof segment.end === 'number') {\n          this.mediaSecondsLoaded += segment.end - segment.start;\n        } else {\n          this.mediaSecondsLoaded += segment.duration;\n        }\n\n        this.logger_(segmentInfoString(segmentInfo));\n        this.sourceUpdater_.appendBuffer({\n          bytes: segmentInfo.bytes,\n          videoSegmentTimingInfoCallback: this.handleVideoSegmentTimingInfo_.bind(this, segmentInfo.requestId)\n        }, this.handleUpdateEnd_.bind(this));\n      }\n    }, {\n      key: 'handleVideoSegmentTimingInfo_',\n      value: function handleVideoSegmentTimingInfo_(requestId, event) {\n        if (!this.pendingSegment_ || requestId !== this.pendingSegment_.requestId) {\n          return;\n        }\n\n        var segment = this.pendingSegment_.segment;\n\n        if (!segment.videoTimingInfo) {\n          segment.videoTimingInfo = {};\n        }\n\n        segment.videoTimingInfo.transmuxerPrependedSeconds = event.videoSegmentTimingInfo.prependedContentDuration || 0;\n        segment.videoTimingInfo.transmuxedPresentationStart = event.videoSegmentTimingInfo.start.presentation;\n        segment.videoTimingInfo.transmuxedPresentationEnd = event.videoSegmentTimingInfo.end.presentation; // mainly used as a reference for debugging\n\n        segment.videoTimingInfo.baseMediaDecodeTime = event.videoSegmentTimingInfo.baseMediaDecodeTime;\n      }\n      /**\n       * callback to run when appendBuffer is finished. detects if we are\n       * in a good state to do things with the data we got, or if we need\n       * to wait for more\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleUpdateEnd_',\n      value: function handleUpdateEnd_() {\n        if (!this.pendingSegment_) {\n          this.state = 'READY';\n\n          if (!this.paused()) {\n            this.monitorBuffer_();\n          }\n\n          return;\n        }\n\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment;\n        var isWalkingForward = this.mediaIndex !== null;\n        this.pendingSegment_ = null;\n        this.recordThroughput_(segmentInfo);\n        this.addSegmentMetadataCue_(segmentInfo);\n        this.state = 'READY';\n        this.mediaIndex = segmentInfo.mediaIndex;\n        this.fetchAtBuffer_ = true;\n        this.currentTimeline_ = segmentInfo.timeline; // We must update the syncinfo to recalculate the seekable range before\n        // the following conditional otherwise it may consider this a bad \"guess\"\n        // and attempt to resync when the post-update seekable window and live\n        // point would mean that this was the perfect segment to fetch\n\n        this.trigger('syncinfoupdate'); // If we previously appended a segment that ends more than 3 targetDurations before\n        // the currentTime_ that means that our conservative guess was too conservative.\n        // In that case, reset the loader state so that we try to use any information gained\n        // from the previous request to create a new, more accurate, sync-point.\n\n        if (segment.end && this.currentTime_() - segment.end > segmentInfo.playlist.targetDuration * 3) {\n          this.resetEverything();\n          return;\n        } // Don't do a rendition switch unless we have enough time to get a sync segment\n        // and conservatively guess\n\n\n        if (isWalkingForward) {\n          this.trigger('bandwidthupdate');\n        }\n\n        this.trigger('progress'); // any time an update finishes and the last segment is in the\n        // buffer, end the stream. this ensures the \"ended\" event will\n        // fire if playback reaches that point.\n\n        if (this.isEndOfStream_(segmentInfo.mediaIndex + 1, segmentInfo.playlist)) {\n          this.endOfStream();\n        }\n\n        if (!this.paused()) {\n          this.monitorBuffer_();\n        }\n      }\n      /**\n       * Records the current throughput of the decrypt, transmux, and append\n       * portion of the semgment pipeline. `throughput.rate` is a the cumulative\n       * moving average of the throughput. `throughput.count` is the number of\n       * data points in the average.\n       *\n       * @private\n       * @param {Object} segmentInfo the object returned by loadSegment\n       */\n\n    }, {\n      key: 'recordThroughput_',\n      value: function recordThroughput_(segmentInfo) {\n        var rate = this.throughput.rate; // Add one to the time to ensure that we don't accidentally attempt to divide\n        // by zero in the case where the throughput is ridiculously high\n\n        var segmentProcessingTime = Date.now() - segmentInfo.endOfAllRequests + 1; // Multiply by 8000 to convert from bytes/millisecond to bits/second\n\n        var segmentProcessingThroughput = Math.floor(segmentInfo.byteLength / segmentProcessingTime * 8 * 1000); // This is just a cumulative moving average calculation:\n        //   newAvg = oldAvg + (sample - oldAvg) / (sampleCount + 1)\n\n        this.throughput.rate += (segmentProcessingThroughput - rate) / ++this.throughput.count;\n      }\n      /**\n       * Adds a cue to the segment-metadata track with some metadata information about the\n       * segment\n       *\n       * @private\n       * @param {Object} segmentInfo\n       *        the object returned by loadSegment\n       * @method addSegmentMetadataCue_\n       */\n\n    }, {\n      key: 'addSegmentMetadataCue_',\n      value: function addSegmentMetadataCue_(segmentInfo) {\n        if (!this.segmentMetadataTrack_) {\n          return;\n        }\n\n        var segment = segmentInfo.segment;\n        var start = segment.start;\n        var end = segment.end; // Do not try adding the cue if the start and end times are invalid.\n\n        if (!finite(start) || !finite(end)) {\n          return;\n        }\n\n        removeCuesFromTrack(start, end, this.segmentMetadataTrack_);\n        var Cue = window$3.WebKitDataCue || window$3.VTTCue;\n        var value = {\n          custom: segment.custom,\n          dateTimeObject: segment.dateTimeObject,\n          dateTimeString: segment.dateTimeString,\n          bandwidth: segmentInfo.playlist.attributes.BANDWIDTH,\n          resolution: segmentInfo.playlist.attributes.RESOLUTION,\n          codecs: segmentInfo.playlist.attributes.CODECS,\n          byteLength: segmentInfo.byteLength,\n          uri: segmentInfo.uri,\n          timeline: segmentInfo.timeline,\n          playlist: segmentInfo.playlist.id,\n          start: start,\n          end: end\n        };\n        var data = JSON.stringify(value);\n        var cue = new Cue(start, end, data); // Attach the metadata to the value property of the cue to keep consistency between\n        // the differences of WebKitDataCue in safari and VTTCue in other browsers\n\n        cue.value = value;\n        this.segmentMetadataTrack_.addCue(cue);\n      }\n    }]);\n    return SegmentLoader;\n  }(videojs$1.EventTarget);\n\n  var uint8ToUtf8 = function uint8ToUtf8(uintArray) {\n    return decodeURIComponent(escape(String.fromCharCode.apply(null, uintArray)));\n  };\n  /**\n   * @file vtt-segment-loader.js\n   */\n\n\n  var VTT_LINE_TERMINATORS = new Uint8Array('\\n\\n'.split('').map(function (_char2) {\n    return _char2.charCodeAt(0);\n  }));\n  /**\n   * An object that manages segment loading and appending.\n   *\n   * @class VTTSegmentLoader\n   * @param {Object} options required and optional options\n   * @extends videojs.EventTarget\n   */\n\n  var VTTSegmentLoader = function (_SegmentLoader) {\n    inherits$2(VTTSegmentLoader, _SegmentLoader);\n\n    function VTTSegmentLoader(settings) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      classCallCheck$1(this, VTTSegmentLoader); // SegmentLoader requires a MediaSource be specified or it will throw an error;\n      // however, VTTSegmentLoader has no need of a media source, so delete the reference\n\n      var _this = possibleConstructorReturn$1(this, (VTTSegmentLoader.__proto__ || Object.getPrototypeOf(VTTSegmentLoader)).call(this, settings, options));\n\n      _this.mediaSource_ = null;\n      _this.subtitlesTrack_ = null;\n      _this.featuresNativeTextTracks_ = settings.featuresNativeTextTracks;\n      return _this;\n    }\n    /**\n     * Indicates which time ranges are buffered\n     *\n     * @return {TimeRange}\n     *         TimeRange object representing the current buffered ranges\n     */\n\n\n    createClass$1(VTTSegmentLoader, [{\n      key: 'buffered_',\n      value: function buffered_() {\n        if (!this.subtitlesTrack_ || !this.subtitlesTrack_.cues.length) {\n          return videojs$1.createTimeRanges();\n        }\n\n        var cues = this.subtitlesTrack_.cues;\n        var start = cues[0].startTime;\n        var end = cues[cues.length - 1].startTime;\n        return videojs$1.createTimeRanges([[start, end]]);\n      }\n      /**\n       * Gets and sets init segment for the provided map\n       *\n       * @param {Object} map\n       *        The map object representing the init segment to get or set\n       * @param {Boolean=} set\n       *        If true, the init segment for the provided map should be saved\n       * @return {Object}\n       *         map object for desired init segment\n       */\n\n    }, {\n      key: 'initSegment',\n      value: function initSegment(map) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!map) {\n          return null;\n        }\n\n        var id = initSegmentId(map);\n        var storedMap = this.initSegments_[id];\n\n        if (set$$1 && !storedMap && map.bytes) {\n          // append WebVTT line terminators to the media initialization segment if it exists\n          // to follow the WebVTT spec (https://w3c.github.io/webvtt/#file-structure) that\n          // requires two or more WebVTT line terminators between the WebVTT header and the\n          // rest of the file\n          var combinedByteLength = VTT_LINE_TERMINATORS.byteLength + map.bytes.byteLength;\n          var combinedSegment = new Uint8Array(combinedByteLength);\n          combinedSegment.set(map.bytes);\n          combinedSegment.set(VTT_LINE_TERMINATORS, map.bytes.byteLength);\n          this.initSegments_[id] = storedMap = {\n            resolvedUri: map.resolvedUri,\n            byterange: map.byterange,\n            bytes: combinedSegment\n          };\n        }\n\n        return storedMap || map;\n      }\n      /**\n       * Returns true if all configuration required for loading is present, otherwise false.\n       *\n       * @return {Boolean} True if the all configuration is ready for loading\n       * @private\n       */\n\n    }, {\n      key: 'couldBeginLoading_',\n      value: function couldBeginLoading_() {\n        return this.playlist_ && this.subtitlesTrack_ && !this.paused();\n      }\n      /**\n       * Once all the starting parameters have been specified, begin\n       * operation. This method should only be invoked from the INIT\n       * state.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'init_',\n      value: function init_() {\n        this.state = 'READY';\n        this.resetEverything();\n        return this.monitorBuffer_();\n      }\n      /**\n       * Set a subtitle track on the segment loader to add subtitles to\n       *\n       * @param {TextTrack=} track\n       *        The text track to add loaded subtitles to\n       * @return {TextTrack}\n       *        Returns the subtitles track\n       */\n\n    }, {\n      key: 'track',\n      value: function track(_track) {\n        if (typeof _track === 'undefined') {\n          return this.subtitlesTrack_;\n        }\n\n        this.subtitlesTrack_ = _track; // if we were unpaused but waiting for a sourceUpdater, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          this.init_();\n        }\n\n        return this.subtitlesTrack_;\n      }\n      /**\n       * Remove any data in the source buffer between start and end times\n       * @param {Number} start - the start time of the region to remove from the buffer\n       * @param {Number} end - the end time of the region to remove from the buffer\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        removeCuesFromTrack(start, end, this.subtitlesTrack_);\n      }\n      /**\n       * fill the buffer with segements unless the sourceBuffers are\n       * currently updating\n       *\n       * Note: this function should only ever be called by monitorBuffer_\n       * and never directly\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fillBuffer_',\n      value: function fillBuffer_() {\n        var _this2 = this;\n\n        if (!this.syncPoint_) {\n          this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());\n        } // see if we need to begin loading immediately\n\n\n        var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);\n        segmentInfo = this.skipEmptySegments_(segmentInfo);\n\n        if (!segmentInfo) {\n          return;\n        }\n\n        if (this.syncController_.timestampOffsetForTimeline(segmentInfo.timeline) === null) {\n          // We don't have the timestamp offset that we need to sync subtitles.\n          // Rerun on a timestamp offset or user interaction.\n          var checkTimestampOffset = function checkTimestampOffset() {\n            _this2.state = 'READY';\n\n            if (!_this2.paused()) {\n              // if not paused, queue a buffer check as soon as possible\n              _this2.monitorBuffer_();\n            }\n          };\n\n          this.syncController_.one('timestampoffset', checkTimestampOffset);\n          this.state = 'WAITING_ON_TIMELINE';\n          return;\n        }\n\n        this.loadSegment_(segmentInfo);\n      }\n      /**\n       * Prevents the segment loader from requesting segments we know contain no subtitles\n       * by walking forward until we find the next segment that we don't know whether it is\n       * empty or not.\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @return {Object}\n       *         a segment info object that describes the current segment\n       */\n\n    }, {\n      key: 'skipEmptySegments_',\n      value: function skipEmptySegments_(segmentInfo) {\n        while (segmentInfo && segmentInfo.segment.empty) {\n          segmentInfo = this.generateSegmentInfo_(segmentInfo.playlist, segmentInfo.mediaIndex + 1, segmentInfo.startOfSegment + segmentInfo.duration, segmentInfo.isSyncRequest);\n        }\n\n        return segmentInfo;\n      }\n      /**\n       * append a decrypted segement to the SourceBuffer through a SourceUpdater\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSegment_',\n      value: function handleSegment_() {\n        var _this3 = this;\n\n        if (!this.pendingSegment_ || !this.subtitlesTrack_) {\n          this.state = 'READY';\n          return;\n        }\n\n        this.state = 'APPENDING';\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment; // Make sure that vttjs has loaded, otherwise, wait till it finished loading\n\n        if (typeof window$3.WebVTT !== 'function' && this.subtitlesTrack_ && this.subtitlesTrack_.tech_) {\n          var loadHandler = void 0;\n\n          var errorHandler = function errorHandler() {\n            _this3.subtitlesTrack_.tech_.off('vttjsloaded', loadHandler);\n\n            _this3.error({\n              message: 'Error loading vtt.js'\n            });\n\n            _this3.state = 'READY';\n\n            _this3.pause();\n\n            _this3.trigger('error');\n          };\n\n          loadHandler = function loadHandler() {\n            _this3.subtitlesTrack_.tech_.off('vttjserror', errorHandler);\n\n            _this3.handleSegment_();\n          };\n\n          this.state = 'WAITING_ON_VTTJS';\n          this.subtitlesTrack_.tech_.one('vttjsloaded', loadHandler);\n          this.subtitlesTrack_.tech_.one('vttjserror', errorHandler);\n          return;\n        }\n\n        segment.requested = true;\n\n        try {\n          this.parseVTTCues_(segmentInfo);\n        } catch (e) {\n          this.error({\n            message: e.message\n          });\n          this.state = 'READY';\n          this.pause();\n          return this.trigger('error');\n        }\n\n        this.updateTimeMapping_(segmentInfo, this.syncController_.timelines[segmentInfo.timeline], this.playlist_);\n\n        if (segmentInfo.isSyncRequest) {\n          this.trigger('syncinfoupdate');\n          this.pendingSegment_ = null;\n          this.state = 'READY';\n          return;\n        }\n\n        segmentInfo.byteLength = segmentInfo.bytes.byteLength;\n        this.mediaSecondsLoaded += segment.duration;\n\n        if (segmentInfo.cues.length) {\n          // remove any overlapping cues to prevent doubling\n          this.remove(segmentInfo.cues[0].endTime, segmentInfo.cues[segmentInfo.cues.length - 1].endTime);\n        }\n\n        segmentInfo.cues.forEach(function (cue) {\n          _this3.subtitlesTrack_.addCue(_this3.featuresNativeTextTracks_ ? new window$3.VTTCue(cue.startTime, cue.endTime, cue.text) : cue);\n        });\n        this.handleUpdateEnd_();\n      }\n      /**\n       * Uses the WebVTT parser to parse the segment response\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @private\n       */\n\n    }, {\n      key: 'parseVTTCues_',\n      value: function parseVTTCues_(segmentInfo) {\n        var decoder = void 0;\n        var decodeBytesToString = false;\n\n        if (typeof window$3.TextDecoder === 'function') {\n          decoder = new window$3.TextDecoder('utf8');\n        } else {\n          decoder = window$3.WebVTT.StringDecoder();\n          decodeBytesToString = true;\n        }\n\n        var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, decoder);\n        segmentInfo.cues = [];\n        segmentInfo.timestampmap = {\n          MPEGTS: 0,\n          LOCAL: 0\n        };\n        parser.oncue = segmentInfo.cues.push.bind(segmentInfo.cues);\n\n        parser.ontimestampmap = function (map) {\n          return segmentInfo.timestampmap = map;\n        };\n\n        parser.onparsingerror = function (error) {\n          videojs$1.log.warn('Error encountered when parsing cues: ' + error.message);\n        };\n\n        if (segmentInfo.segment.map) {\n          var mapData = segmentInfo.segment.map.bytes;\n\n          if (decodeBytesToString) {\n            mapData = uint8ToUtf8(mapData);\n          }\n\n          parser.parse(mapData);\n        }\n\n        var segmentData = segmentInfo.bytes;\n\n        if (decodeBytesToString) {\n          segmentData = uint8ToUtf8(segmentData);\n        }\n\n        parser.parse(segmentData);\n        parser.flush();\n      }\n      /**\n       * Updates the start and end times of any cues parsed by the WebVTT parser using\n       * the information parsed from the X-TIMESTAMP-MAP header and a TS to media time mapping\n       * from the SyncController\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @param {Object} mappingObj\n       *        object containing a mapping from TS to media time\n       * @param {Object} playlist\n       *        the playlist object containing the segment\n       * @private\n       */\n\n    }, {\n      key: 'updateTimeMapping_',\n      value: function updateTimeMapping_(segmentInfo, mappingObj, playlist) {\n        var segment = segmentInfo.segment;\n\n        if (!mappingObj) {\n          // If the sync controller does not have a mapping of TS to Media Time for the\n          // timeline, then we don't have enough information to update the cue\n          // start/end times\n          return;\n        }\n\n        if (!segmentInfo.cues.length) {\n          // If there are no cues, we also do not have enough information to figure out\n          // segment timing. Mark that the segment contains no cues so we don't re-request\n          // an empty segment.\n          segment.empty = true;\n          return;\n        }\n\n        var timestampmap = segmentInfo.timestampmap;\n        var diff = timestampmap.MPEGTS / 90000 - timestampmap.LOCAL + mappingObj.mapping;\n        segmentInfo.cues.forEach(function (cue) {\n          // First convert cue time to TS time using the timestamp-map provided within the vtt\n          cue.startTime += diff;\n          cue.endTime += diff;\n        });\n\n        if (!playlist.syncInfo) {\n          var firstStart = segmentInfo.cues[0].startTime;\n          var lastStart = segmentInfo.cues[segmentInfo.cues.length - 1].startTime;\n          playlist.syncInfo = {\n            mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,\n            time: Math.min(firstStart, lastStart - segment.duration)\n          };\n        }\n      }\n    }]);\n    return VTTSegmentLoader;\n  }(SegmentLoader);\n  /**\n   * @file ad-cue-tags.js\n   */\n\n  /**\n   * Searches for an ad cue that overlaps with the given mediaTime\n   */\n\n\n  var findAdCue = function findAdCue(track, mediaTime) {\n    var cues = track.cues;\n\n    for (var i = 0; i < cues.length; i++) {\n      var cue = cues[i];\n\n      if (mediaTime >= cue.adStartTime && mediaTime <= cue.adEndTime) {\n        return cue;\n      }\n    }\n\n    return null;\n  };\n\n  var updateAdCues = function updateAdCues(media, track) {\n    var offset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;\n\n    if (!media.segments) {\n      return;\n    }\n\n    var mediaTime = offset;\n    var cue = void 0;\n\n    for (var i = 0; i < media.segments.length; i++) {\n      var segment = media.segments[i];\n\n      if (!cue) {\n        // Since the cues will span for at least the segment duration, adding a fudge\n        // factor of half segment duration will prevent duplicate cues from being\n        // created when timing info is not exact (e.g. cue start time initialized\n        // at 10.006677, but next call mediaTime is 10.003332 )\n        cue = findAdCue(track, mediaTime + segment.duration / 2);\n      }\n\n      if (cue) {\n        if ('cueIn' in segment) {\n          // Found a CUE-IN so end the cue\n          cue.endTime = mediaTime;\n          cue.adEndTime = mediaTime;\n          mediaTime += segment.duration;\n          cue = null;\n          continue;\n        }\n\n        if (mediaTime < cue.endTime) {\n          // Already processed this mediaTime for this cue\n          mediaTime += segment.duration;\n          continue;\n        } // otherwise extend cue until a CUE-IN is found\n\n\n        cue.endTime += segment.duration;\n      } else {\n        if ('cueOut' in segment) {\n          cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, segment.cueOut);\n          cue.adStartTime = mediaTime; // Assumes tag format to be\n          // #EXT-X-CUE-OUT:30\n\n          cue.adEndTime = mediaTime + parseFloat(segment.cueOut);\n          track.addCue(cue);\n        }\n\n        if ('cueOutCont' in segment) {\n          // Entered into the middle of an ad cue\n          var adOffset = void 0;\n          var adTotal = void 0; // Assumes tag formate to be\n          // #EXT-X-CUE-OUT-CONT:10/30\n\n          var _segment$cueOutCont$s = segment.cueOutCont.split('/').map(parseFloat);\n\n          var _segment$cueOutCont$s2 = slicedToArray(_segment$cueOutCont$s, 2);\n\n          adOffset = _segment$cueOutCont$s2[0];\n          adTotal = _segment$cueOutCont$s2[1];\n          cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, '');\n          cue.adStartTime = mediaTime - adOffset;\n          cue.adEndTime = cue.adStartTime + adTotal;\n          track.addCue(cue);\n        }\n      }\n\n      mediaTime += segment.duration;\n    }\n  };\n  /**\n   * @file sync-controller.js\n   */\n\n\n  var tsprobe = tsInspector.inspect;\n  var syncPointStrategies = [// Stategy \"VOD\": Handle the VOD-case where the sync-point is *always*\n  //                the equivalence display-time 0 === segment-index 0\n  {\n    name: 'VOD',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (duration$$1 !== Infinity) {\n        var syncPoint = {\n          time: 0,\n          segmentIndex: 0\n        };\n        return syncPoint;\n      }\n\n      return null;\n    }\n  }, // Stategy \"ProgramDateTime\": We have a program-date-time tag in this playlist\n  {\n    name: 'ProgramDateTime',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (!syncController.datetimeToDisplayTime) {\n        return null;\n      }\n\n      var segments = playlist.segments || [];\n      var syncPoint = null;\n      var lastDistance = null;\n      currentTime = currentTime || 0;\n\n      for (var i = 0; i < segments.length; i++) {\n        var segment = segments[i];\n\n        if (segment.dateTimeObject) {\n          var segmentTime = segment.dateTimeObject.getTime() / 1000;\n          var segmentStart = segmentTime + syncController.datetimeToDisplayTime;\n          var distance = Math.abs(currentTime - segmentStart); // Once the distance begins to increase, or if distance is 0, we have passed\n          // currentTime and can stop looking for better candidates\n\n          if (lastDistance !== null && (distance === 0 || lastDistance < distance)) {\n            break;\n          }\n\n          lastDistance = distance;\n          syncPoint = {\n            time: segmentStart,\n            segmentIndex: i\n          };\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Segment\": We have a known time mapping for a timeline and a\n  //                    segment in the current timeline with timing data\n  {\n    name: 'Segment',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      var segments = playlist.segments || [];\n      var syncPoint = null;\n      var lastDistance = null;\n      currentTime = currentTime || 0;\n\n      for (var i = 0; i < segments.length; i++) {\n        var segment = segments[i];\n\n        if (segment.timeline === currentTimeline && typeof segment.start !== 'undefined') {\n          var distance = Math.abs(currentTime - segment.start); // Once the distance begins to increase, we have passed\n          // currentTime and can stop looking for better candidates\n\n          if (lastDistance !== null && lastDistance < distance) {\n            break;\n          }\n\n          if (!syncPoint || lastDistance === null || lastDistance >= distance) {\n            lastDistance = distance;\n            syncPoint = {\n              time: segment.start,\n              segmentIndex: i\n            };\n          }\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Discontinuity\": We have a discontinuity with a known\n  //                          display-time\n  {\n    name: 'Discontinuity',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      var syncPoint = null;\n      currentTime = currentTime || 0;\n\n      if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {\n        var lastDistance = null;\n\n        for (var i = 0; i < playlist.discontinuityStarts.length; i++) {\n          var segmentIndex = playlist.discontinuityStarts[i];\n          var discontinuity = playlist.discontinuitySequence + i + 1;\n          var discontinuitySync = syncController.discontinuities[discontinuity];\n\n          if (discontinuitySync) {\n            var distance = Math.abs(currentTime - discontinuitySync.time); // Once the distance begins to increase, we have passed\n            // currentTime and can stop looking for better candidates\n\n            if (lastDistance !== null && lastDistance < distance) {\n              break;\n            }\n\n            if (!syncPoint || lastDistance === null || lastDistance >= distance) {\n              lastDistance = distance;\n              syncPoint = {\n                time: discontinuitySync.time,\n                segmentIndex: segmentIndex\n              };\n            }\n          }\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Playlist\": We have a playlist with a known mapping of\n  //                     segment index to display time\n  {\n    name: 'Playlist',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (playlist.syncInfo) {\n        var syncPoint = {\n          time: playlist.syncInfo.time,\n          segmentIndex: playlist.syncInfo.mediaSequence - playlist.mediaSequence\n        };\n        return syncPoint;\n      }\n\n      return null;\n    }\n  }];\n\n  var SyncController = function (_videojs$EventTarget) {\n    inherits$2(SyncController, _videojs$EventTarget);\n\n    function SyncController() {\n      classCallCheck$1(this, SyncController); // Segment Loader state variables...\n      // ...for synching across variants\n\n      var _this = possibleConstructorReturn$1(this, (SyncController.__proto__ || Object.getPrototypeOf(SyncController)).call(this));\n\n      _this.inspectCache_ = undefined; // ...for synching across variants\n\n      _this.timelines = [];\n      _this.discontinuities = [];\n      _this.datetimeToDisplayTime = null;\n      _this.logger_ = logger('SyncController');\n      return _this;\n    }\n    /**\n     * Find a sync-point for the playlist specified\n     *\n     * A sync-point is defined as a known mapping from display-time to\n     * a segment-index in the current playlist.\n     *\n     * @param {Playlist} playlist\n     *        The playlist that needs a sync-point\n     * @param {Number} duration\n     *        Duration of the MediaSource (Infinite if playing a live source)\n     * @param {Number} currentTimeline\n     *        The last timeline from which a segment was loaded\n     * @returns {Object}\n     *          A sync-point object\n     */\n\n\n    createClass$1(SyncController, [{\n      key: 'getSyncPoint',\n      value: function getSyncPoint(playlist, duration$$1, currentTimeline, currentTime) {\n        var syncPoints = this.runStrategies_(playlist, duration$$1, currentTimeline, currentTime);\n\n        if (!syncPoints.length) {\n          // Signal that we need to attempt to get a sync-point manually\n          // by fetching a segment in the playlist and constructing\n          // a sync-point from that information\n          return null;\n        } // Now find the sync-point that is closest to the currentTime because\n        // that should result in the most accurate guess about which segment\n        // to fetch\n\n\n        return this.selectSyncPoint_(syncPoints, {\n          key: 'time',\n          value: currentTime\n        });\n      }\n      /**\n       * Calculate the amount of time that has expired off the playlist during playback\n       *\n       * @param {Playlist} playlist\n       *        Playlist object to calculate expired from\n       * @param {Number} duration\n       *        Duration of the MediaSource (Infinity if playling a live source)\n       * @returns {Number|null}\n       *          The amount of time that has expired off the playlist during playback. Null\n       *          if no sync-points for the playlist can be found.\n       */\n\n    }, {\n      key: 'getExpiredTime',\n      value: function getExpiredTime(playlist, duration$$1) {\n        if (!playlist || !playlist.segments) {\n          return null;\n        }\n\n        var syncPoints = this.runStrategies_(playlist, duration$$1, playlist.discontinuitySequence, 0); // Without sync-points, there is not enough information to determine the expired time\n\n        if (!syncPoints.length) {\n          return null;\n        }\n\n        var syncPoint = this.selectSyncPoint_(syncPoints, {\n          key: 'segmentIndex',\n          value: 0\n        }); // If the sync-point is beyond the start of the playlist, we want to subtract the\n        // duration from index 0 to syncPoint.segmentIndex instead of adding.\n\n        if (syncPoint.segmentIndex > 0) {\n          syncPoint.time *= -1;\n        }\n\n        return Math.abs(syncPoint.time + sumDurations(playlist, syncPoint.segmentIndex, 0));\n      }\n      /**\n       * Runs each sync-point strategy and returns a list of sync-points returned by the\n       * strategies\n       *\n       * @private\n       * @param {Playlist} playlist\n       *        The playlist that needs a sync-point\n       * @param {Number} duration\n       *        Duration of the MediaSource (Infinity if playing a live source)\n       * @param {Number} currentTimeline\n       *        The last timeline from which a segment was loaded\n       * @returns {Array}\n       *          A list of sync-point objects\n       */\n\n    }, {\n      key: 'runStrategies_',\n      value: function runStrategies_(playlist, duration$$1, currentTimeline, currentTime) {\n        var syncPoints = []; // Try to find a sync-point in by utilizing various strategies...\n\n        for (var i = 0; i < syncPointStrategies.length; i++) {\n          var strategy = syncPointStrategies[i];\n          var syncPoint = strategy.run(this, playlist, duration$$1, currentTimeline, currentTime);\n\n          if (syncPoint) {\n            syncPoint.strategy = strategy.name;\n            syncPoints.push({\n              strategy: strategy.name,\n              syncPoint: syncPoint\n            });\n          }\n        }\n\n        return syncPoints;\n      }\n      /**\n       * Selects the sync-point nearest the specified target\n       *\n       * @private\n       * @param {Array} syncPoints\n       *        List of sync-points to select from\n       * @param {Object} target\n       *        Object specifying the property and value we are targeting\n       * @param {String} target.key\n       *        Specifies the property to target. Must be either 'time' or 'segmentIndex'\n       * @param {Number} target.value\n       *        The value to target for the specified key.\n       * @returns {Object}\n       *          The sync-point nearest the target\n       */\n\n    }, {\n      key: 'selectSyncPoint_',\n      value: function selectSyncPoint_(syncPoints, target) {\n        var bestSyncPoint = syncPoints[0].syncPoint;\n        var bestDistance = Math.abs(syncPoints[0].syncPoint[target.key] - target.value);\n        var bestStrategy = syncPoints[0].strategy;\n\n        for (var i = 1; i < syncPoints.length; i++) {\n          var newDistance = Math.abs(syncPoints[i].syncPoint[target.key] - target.value);\n\n          if (newDistance < bestDistance) {\n            bestDistance = newDistance;\n            bestSyncPoint = syncPoints[i].syncPoint;\n            bestStrategy = syncPoints[i].strategy;\n          }\n        }\n\n        this.logger_('syncPoint for [' + target.key + ': ' + target.value + '] chosen with strategy' + (' [' + bestStrategy + ']: [time:' + bestSyncPoint.time + ',') + (' segmentIndex:' + bestSyncPoint.segmentIndex + ']'));\n        return bestSyncPoint;\n      }\n      /**\n       * Save any meta-data present on the segments when segments leave\n       * the live window to the playlist to allow for synchronization at the\n       * playlist level later.\n       *\n       * @param {Playlist} oldPlaylist - The previous active playlist\n       * @param {Playlist} newPlaylist - The updated and most current playlist\n       */\n\n    }, {\n      key: 'saveExpiredSegmentInfo',\n      value: function saveExpiredSegmentInfo(oldPlaylist, newPlaylist) {\n        var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence; // When a segment expires from the playlist and it has a start time\n        // save that information as a possible sync-point reference in future\n\n        for (var i = mediaSequenceDiff - 1; i >= 0; i--) {\n          var lastRemovedSegment = oldPlaylist.segments[i];\n\n          if (lastRemovedSegment && typeof lastRemovedSegment.start !== 'undefined') {\n            newPlaylist.syncInfo = {\n              mediaSequence: oldPlaylist.mediaSequence + i,\n              time: lastRemovedSegment.start\n            };\n            this.logger_('playlist refresh sync: [time:' + newPlaylist.syncInfo.time + ',' + (' mediaSequence: ' + newPlaylist.syncInfo.mediaSequence + ']'));\n            this.trigger('syncinfoupdate');\n            break;\n          }\n        }\n      }\n      /**\n       * Save the mapping from playlist's ProgramDateTime to display. This should\n       * only ever happen once at the start of playback.\n       *\n       * @param {Playlist} playlist - The currently active playlist\n       */\n\n    }, {\n      key: 'setDateTimeMapping',\n      value: function setDateTimeMapping(playlist) {\n        if (!this.datetimeToDisplayTime && playlist.segments && playlist.segments.length && playlist.segments[0].dateTimeObject) {\n          var playlistTimestamp = playlist.segments[0].dateTimeObject.getTime() / 1000;\n          this.datetimeToDisplayTime = -playlistTimestamp;\n        }\n      }\n      /**\n       * Reset the state of the inspection cache when we do a rendition\n       * switch\n       */\n\n    }, {\n      key: 'reset',\n      value: function reset() {\n        this.inspectCache_ = undefined;\n      }\n      /**\n       * Probe or inspect a fmp4 or an mpeg2-ts segment to determine the start\n       * and end of the segment in it's internal \"media time\". Used to generate\n       * mappings from that internal \"media time\" to the display time that is\n       * shown on the player.\n       *\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       */\n\n    }, {\n      key: 'probeSegmentInfo',\n      value: function probeSegmentInfo(segmentInfo) {\n        var segment = segmentInfo.segment;\n        var playlist = segmentInfo.playlist;\n        var timingInfo = void 0;\n\n        if (segment.map) {\n          timingInfo = this.probeMp4Segment_(segmentInfo);\n        } else {\n          timingInfo = this.probeTsSegment_(segmentInfo);\n        }\n\n        if (timingInfo) {\n          if (this.calculateSegmentTimeMapping_(segmentInfo, timingInfo)) {\n            this.saveDiscontinuitySyncInfo_(segmentInfo); // If the playlist does not have sync information yet, record that information\n            // now with segment timing information\n\n            if (!playlist.syncInfo) {\n              playlist.syncInfo = {\n                mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,\n                time: segment.start\n              };\n            }\n          }\n        }\n\n        return timingInfo;\n      }\n      /**\n       * Probe an fmp4 segment to determine the start of the segment\n       * in it's internal \"composition time\", which is equal to the base\n       * media decode time plus the composition time offset value\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       * @return {object} The start and end time of the current segment in \"composition time\"\n       */\n\n    }, {\n      key: 'probeMp4Segment_',\n      value: function probeMp4Segment_(segmentInfo) {\n        var segment = segmentInfo.segment; // get timescales from init segment\n\n        var timescales = probe.timescale(segment.map.bytes); // calculate composition start time using the timescales and information\n        // contained within the media segment\n\n        var compositionStartTime = probe.compositionStartTime(timescales, segmentInfo.bytes);\n\n        if (segmentInfo.timestampOffset !== null) {\n          segmentInfo.timestampOffset -= compositionStartTime;\n        }\n\n        return {\n          start: compositionStartTime,\n          end: compositionStartTime + segment.duration\n        };\n      }\n      /**\n       * Probe an mpeg2-ts segment to determine the start and end of the segment\n       * in it's internal \"media time\".\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       * @return {object} The start and end time of the current segment in \"media time\"\n       */\n\n    }, {\n      key: 'probeTsSegment_',\n      value: function probeTsSegment_(segmentInfo) {\n        var timeInfo = tsprobe(segmentInfo.bytes, this.inspectCache_);\n        var segmentStartTime = void 0;\n        var segmentEndTime = void 0;\n        var segmentTimestampInfo = void 0;\n\n        if (!timeInfo) {\n          return null;\n        }\n\n        if (timeInfo.video && timeInfo.video.length === 2) {\n          this.inspectCache_ = timeInfo.video[1].dts;\n          segmentStartTime = timeInfo.video[0].dtsTime;\n          segmentEndTime = timeInfo.video[1].dtsTime;\n          segmentTimestampInfo = timeInfo.video;\n        } else if (timeInfo.audio && timeInfo.audio.length === 2) {\n          this.inspectCache_ = timeInfo.audio[1].dts;\n          segmentStartTime = timeInfo.audio[0].dtsTime;\n          segmentEndTime = timeInfo.audio[1].dtsTime;\n          segmentTimestampInfo = timeInfo.audio;\n        }\n\n        var probedInfo = {\n          segmentTimestampInfo: segmentTimestampInfo,\n          start: segmentStartTime,\n          end: segmentEndTime,\n          containsVideo: timeInfo.video && timeInfo.video.length === 2,\n          containsAudio: timeInfo.audio && timeInfo.audio.length === 2\n        };\n        return probedInfo;\n      }\n    }, {\n      key: 'timestampOffsetForTimeline',\n      value: function timestampOffsetForTimeline(timeline) {\n        if (typeof this.timelines[timeline] === 'undefined') {\n          return null;\n        }\n\n        return this.timelines[timeline].time;\n      }\n    }, {\n      key: 'mappingForTimeline',\n      value: function mappingForTimeline(timeline) {\n        if (typeof this.timelines[timeline] === 'undefined') {\n          return null;\n        }\n\n        return this.timelines[timeline].mapping;\n      }\n      /**\n       * Use the \"media time\" for a segment to generate a mapping to \"display time\" and\n       * save that display time to the segment.\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo\n       *        The current active request information\n       * @param {object} timingInfo\n       *        The start and end time of the current segment in \"media time\"\n       * @returns {Boolean}\n       *          Returns false if segment time mapping could not be calculated\n       */\n\n    }, {\n      key: 'calculateSegmentTimeMapping_',\n      value: function calculateSegmentTimeMapping_(segmentInfo, timingInfo) {\n        var segment = segmentInfo.segment;\n        var mappingObj = this.timelines[segmentInfo.timeline];\n\n        if (segmentInfo.timestampOffset !== null) {\n          mappingObj = {\n            time: segmentInfo.startOfSegment,\n            mapping: segmentInfo.startOfSegment - timingInfo.start\n          };\n          this.timelines[segmentInfo.timeline] = mappingObj;\n          this.trigger('timestampoffset');\n          this.logger_('time mapping for timeline ' + segmentInfo.timeline + ': ' + ('[time: ' + mappingObj.time + '] [mapping: ' + mappingObj.mapping + ']'));\n          segment.start = segmentInfo.startOfSegment;\n          segment.end = timingInfo.end + mappingObj.mapping;\n        } else if (mappingObj) {\n          segment.start = timingInfo.start + mappingObj.mapping;\n          segment.end = timingInfo.end + mappingObj.mapping;\n        } else {\n          return false;\n        }\n\n        return true;\n      }\n      /**\n       * Each time we have discontinuity in the playlist, attempt to calculate the location\n       * in display of the start of the discontinuity and save that. We also save an accuracy\n       * value so that we save values with the most accuracy (closest to 0.)\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       */\n\n    }, {\n      key: 'saveDiscontinuitySyncInfo_',\n      value: function saveDiscontinuitySyncInfo_(segmentInfo) {\n        var playlist = segmentInfo.playlist;\n        var segment = segmentInfo.segment; // If the current segment is a discontinuity then we know exactly where\n        // the start of the range and it's accuracy is 0 (greater accuracy values\n        // mean more approximation)\n\n        if (segment.discontinuity) {\n          this.discontinuities[segment.timeline] = {\n            time: segment.start,\n            accuracy: 0\n          };\n        } else if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {\n          // Search for future discontinuities that we can provide better timing\n          // information for and save that information for sync purposes\n          for (var i = 0; i < playlist.discontinuityStarts.length; i++) {\n            var segmentIndex = playlist.discontinuityStarts[i];\n            var discontinuity = playlist.discontinuitySequence + i + 1;\n            var mediaIndexDiff = segmentIndex - segmentInfo.mediaIndex;\n            var accuracy = Math.abs(mediaIndexDiff);\n\n            if (!this.discontinuities[discontinuity] || this.discontinuities[discontinuity].accuracy > accuracy) {\n              var time = void 0;\n\n              if (mediaIndexDiff < 0) {\n                time = segment.start - sumDurations(playlist, segmentInfo.mediaIndex, segmentIndex);\n              } else {\n                time = segment.end + sumDurations(playlist, segmentInfo.mediaIndex + 1, segmentIndex);\n              }\n\n              this.discontinuities[discontinuity] = {\n                time: time,\n                accuracy: accuracy\n              };\n            }\n          }\n        }\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n      }\n    }]);\n    return SyncController;\n  }(videojs$1.EventTarget);\n\n  var Decrypter$1 = new shimWorker(\"./decrypter-worker.worker.js\", function (window, document$$1) {\n    var self = this;\n\n    var decrypterWorker = function () {\n      /*\n       * pkcs7.pad\n       * https://github.com/brightcove/pkcs7\n       *\n       * Copyright (c) 2014 Brightcove\n       * Licensed under the apache2 license.\n       */\n\n      /**\n       * Returns the subarray of a Uint8Array without PKCS#7 padding.\n       * @param padded {Uint8Array} unencrypted bytes that have been padded\n       * @return {Uint8Array} the unpadded bytes\n       * @see http://tools.ietf.org/html/rfc5652\n       */\n      function unpad(padded) {\n        return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);\n      }\n\n      var classCallCheck = function classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n          throw new TypeError(\"Cannot call a class as a function\");\n        }\n      };\n\n      var createClass = function () {\n        function defineProperties(target, props) {\n          for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n          }\n        }\n\n        return function (Constructor, protoProps, staticProps) {\n          if (protoProps) defineProperties(Constructor.prototype, protoProps);\n          if (staticProps) defineProperties(Constructor, staticProps);\n          return Constructor;\n        };\n      }();\n\n      var inherits = function inherits(subClass, superClass) {\n        if (typeof superClass !== \"function\" && superClass !== null) {\n          throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n        }\n\n        subClass.prototype = Object.create(superClass && superClass.prototype, {\n          constructor: {\n            value: subClass,\n            enumerable: false,\n            writable: true,\n            configurable: true\n          }\n        });\n        if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n      };\n\n      var possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n        if (!self) {\n          throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n        }\n\n        return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n      };\n      /**\n       * @file aes.js\n       *\n       * This file contains an adaptation of the AES decryption algorithm\n       * from the Standford Javascript Cryptography Library. That work is\n       * covered by the following copyright and permissions notice:\n       *\n       * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n       * All rights reserved.\n       *\n       * Redistribution and use in source and binary forms, with or without\n       * modification, are permitted provided that the following conditions are\n       * met:\n       *\n       * 1. Redistributions of source code must retain the above copyright\n       *    notice, this list of conditions and the following disclaimer.\n       *\n       * 2. Redistributions in binary form must reproduce the above\n       *    copyright notice, this list of conditions and the following\n       *    disclaimer in the documentation and/or other materials provided\n       *    with the distribution.\n       *\n       * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n       * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n       * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n       * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE\n       * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n       * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n       * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n       * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n       * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n       * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n       * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n       *\n       * The views and conclusions contained in the software and documentation\n       * are those of the authors and should not be interpreted as representing\n       * official policies, either expressed or implied, of the authors.\n       */\n\n      /**\n       * Expand the S-box tables.\n       *\n       * @private\n       */\n\n\n      var precompute = function precompute() {\n        var tables = [[[], [], [], [], []], [[], [], [], [], []]];\n        var encTable = tables[0];\n        var decTable = tables[1];\n        var sbox = encTable[4];\n        var sboxInv = decTable[4];\n        var i = void 0;\n        var x = void 0;\n        var xInv = void 0;\n        var d = [];\n        var th = [];\n        var x2 = void 0;\n        var x4 = void 0;\n        var x8 = void 0;\n        var s = void 0;\n        var tEnc = void 0;\n        var tDec = void 0; // Compute double and third tables\n\n        for (i = 0; i < 256; i++) {\n          th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;\n        }\n\n        for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n          // Compute sbox\n          s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;\n          s = s >> 8 ^ s & 255 ^ 99;\n          sbox[x] = s;\n          sboxInv[s] = x; // Compute MixColumns\n\n          x8 = d[x4 = d[x2 = d[x]]];\n          tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;\n          tEnc = d[s] * 0x101 ^ s * 0x1010100;\n\n          for (i = 0; i < 4; i++) {\n            encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;\n            decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;\n          }\n        } // Compactify. Considerable speedup on Firefox.\n\n\n        for (i = 0; i < 5; i++) {\n          encTable[i] = encTable[i].slice(0);\n          decTable[i] = decTable[i].slice(0);\n        }\n\n        return tables;\n      };\n\n      var aesTables = null;\n      /**\n       * Schedule out an AES key for both encryption and decryption. This\n       * is a low-level class. Use a cipher mode to do bulk encryption.\n       *\n       * @class AES\n       * @param key {Array} The key as an array of 4, 6 or 8 words.\n       */\n\n      var AES = function () {\n        function AES(key) {\n          classCallCheck(this, AES);\n          /**\n           * The expanded S-box and inverse S-box tables. These will be computed\n           * on the client so that we don't have to send them down the wire.\n           *\n           * There are two tables, _tables[0] is for encryption and\n           * _tables[1] is for decryption.\n           *\n           * The first 4 sub-tables are the expanded S-box with MixColumns. The\n           * last (_tables[01][4]) is the S-box itself.\n           *\n           * @private\n           */\n          // if we have yet to precompute the S-box tables\n          // do so now\n\n          if (!aesTables) {\n            aesTables = precompute();\n          } // then make a copy of that object for use\n\n\n          this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];\n          var i = void 0;\n          var j = void 0;\n          var tmp = void 0;\n          var encKey = void 0;\n          var decKey = void 0;\n          var sbox = this._tables[0][4];\n          var decTable = this._tables[1];\n          var keyLen = key.length;\n          var rcon = 1;\n\n          if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n            throw new Error('Invalid aes key size');\n          }\n\n          encKey = key.slice(0);\n          decKey = [];\n          this._key = [encKey, decKey]; // schedule encryption keys\n\n          for (i = keyLen; i < 4 * keyLen + 28; i++) {\n            tmp = encKey[i - 1]; // apply sbox\n\n            if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {\n              tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon\n\n              if (i % keyLen === 0) {\n                tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;\n                rcon = rcon << 1 ^ (rcon >> 7) * 283;\n              }\n            }\n\n            encKey[i] = encKey[i - keyLen] ^ tmp;\n          } // schedule decryption keys\n\n\n          for (j = 0; i; j++, i--) {\n            tmp = encKey[j & 3 ? i : i - 4];\n\n            if (i <= 4 || j < 4) {\n              decKey[j] = tmp;\n            } else {\n              decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];\n            }\n          }\n        }\n        /**\n         * Decrypt 16 bytes, specified as four 32-bit words.\n         *\n         * @param {Number} encrypted0 the first word to decrypt\n         * @param {Number} encrypted1 the second word to decrypt\n         * @param {Number} encrypted2 the third word to decrypt\n         * @param {Number} encrypted3 the fourth word to decrypt\n         * @param {Int32Array} out the array to write the decrypted words\n         * into\n         * @param {Number} offset the offset into the output array to start\n         * writing results\n         * @return {Array} The plaintext.\n         */\n\n\n        AES.prototype.decrypt = function decrypt$$1(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n          var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data\n\n          var a = encrypted0 ^ key[0];\n          var b = encrypted3 ^ key[1];\n          var c = encrypted2 ^ key[2];\n          var d = encrypted1 ^ key[3];\n          var a2 = void 0;\n          var b2 = void 0;\n          var c2 = void 0; // key.length === 2 ?\n\n          var nInnerRounds = key.length / 4 - 2;\n          var i = void 0;\n          var kIndex = 4;\n          var table = this._tables[1]; // load up the tables\n\n          var table0 = table[0];\n          var table1 = table[1];\n          var table2 = table[2];\n          var table3 = table[3];\n          var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.\n\n          for (i = 0; i < nInnerRounds; i++) {\n            a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];\n            b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n            c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n            d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n            kIndex += 4;\n            a = a2;\n            b = b2;\n            c = c2;\n          } // Last round.\n\n\n          for (i = 0; i < 4; i++) {\n            out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];\n            a2 = a;\n            a = b;\n            b = c;\n            c = d;\n            d = a2;\n          }\n        };\n\n        return AES;\n      }();\n      /**\n       * @file stream.js\n       */\n\n      /**\n       * A lightweight readable stream implemention that handles event dispatching.\n       *\n       * @class Stream\n       */\n\n\n      var Stream = function () {\n        function Stream() {\n          classCallCheck(this, Stream);\n          this.listeners = {};\n        }\n        /**\n         * Add a listener for a specified event type.\n         *\n         * @param {String} type the event name\n         * @param {Function} listener the callback to be invoked when an event of\n         * the specified type occurs\n         */\n\n\n        Stream.prototype.on = function on(type, listener) {\n          if (!this.listeners[type]) {\n            this.listeners[type] = [];\n          }\n\n          this.listeners[type].push(listener);\n        };\n        /**\n         * Remove a listener for a specified event type.\n         *\n         * @param {String} type the event name\n         * @param {Function} listener  a function previously registered for this\n         * type of event through `on`\n         * @return {Boolean} if we could turn it off or not\n         */\n\n\n        Stream.prototype.off = function off(type, listener) {\n          if (!this.listeners[type]) {\n            return false;\n          }\n\n          var index = this.listeners[type].indexOf(listener);\n          this.listeners[type].splice(index, 1);\n          return index > -1;\n        };\n        /**\n         * Trigger an event of the specified type on this stream. Any additional\n         * arguments to this function are passed as parameters to event listeners.\n         *\n         * @param {String} type the event name\n         */\n\n\n        Stream.prototype.trigger = function trigger(type) {\n          var callbacks = this.listeners[type];\n\n          if (!callbacks) {\n            return;\n          } // Slicing the arguments on every invocation of this method\n          // can add a significant amount of overhead. Avoid the\n          // intermediate object creation for the common case of a\n          // single callback argument\n\n\n          if (arguments.length === 2) {\n            var length = callbacks.length;\n\n            for (var i = 0; i < length; ++i) {\n              callbacks[i].call(this, arguments[1]);\n            }\n          } else {\n            var args = Array.prototype.slice.call(arguments, 1);\n            var _length = callbacks.length;\n\n            for (var _i = 0; _i < _length; ++_i) {\n              callbacks[_i].apply(this, args);\n            }\n          }\n        };\n        /**\n         * Destroys the stream and cleans up.\n         */\n\n\n        Stream.prototype.dispose = function dispose() {\n          this.listeners = {};\n        };\n        /**\n         * Forwards all `data` events on this stream to the destination stream. The\n         * destination stream should provide a method `push` to receive the data\n         * events as they arrive.\n         *\n         * @param {Stream} destination the stream that will receive all `data` events\n         * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n         */\n\n\n        Stream.prototype.pipe = function pipe(destination) {\n          this.on('data', function (data) {\n            destination.push(data);\n          });\n        };\n\n        return Stream;\n      }();\n      /**\n       * @file async-stream.js\n       */\n\n      /**\n       * A wrapper around the Stream class to use setTiemout\n       * and run stream \"jobs\" Asynchronously\n       *\n       * @class AsyncStream\n       * @extends Stream\n       */\n\n\n      var AsyncStream$$1 = function (_Stream) {\n        inherits(AsyncStream$$1, _Stream);\n\n        function AsyncStream$$1() {\n          classCallCheck(this, AsyncStream$$1);\n\n          var _this = possibleConstructorReturn(this, _Stream.call(this, Stream));\n\n          _this.jobs = [];\n          _this.delay = 1;\n          _this.timeout_ = null;\n          return _this;\n        }\n        /**\n         * process an async job\n         *\n         * @private\n         */\n\n\n        AsyncStream$$1.prototype.processJob_ = function processJob_() {\n          this.jobs.shift()();\n\n          if (this.jobs.length) {\n            this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n          } else {\n            this.timeout_ = null;\n          }\n        };\n        /**\n         * push a job into the stream\n         *\n         * @param {Function} job the job to push into the stream\n         */\n\n\n        AsyncStream$$1.prototype.push = function push(job) {\n          this.jobs.push(job);\n\n          if (!this.timeout_) {\n            this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n          }\n        };\n\n        return AsyncStream$$1;\n      }(Stream);\n      /**\n       * @file decrypter.js\n       *\n       * An asynchronous implementation of AES-128 CBC decryption with\n       * PKCS#7 padding.\n       */\n\n      /**\n       * Convert network-order (big-endian) bytes into their little-endian\n       * representation.\n       */\n\n\n      var ntoh = function ntoh(word) {\n        return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;\n      };\n      /**\n       * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n       *\n       * @param {Uint8Array} encrypted the encrypted bytes\n       * @param {Uint32Array} key the bytes of the decryption key\n       * @param {Uint32Array} initVector the initialization vector (IV) to\n       * use for the first round of CBC.\n       * @return {Uint8Array} the decrypted bytes\n       *\n       * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n       * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n       * @see https://tools.ietf.org/html/rfc2315\n       */\n\n\n      var decrypt$$1 = function decrypt$$1(encrypted, key, initVector) {\n        // word-level access to the encrypted bytes\n        var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);\n        var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output\n\n        var decrypted = new Uint8Array(encrypted.byteLength);\n        var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and\n        // decrypted data\n\n        var init0 = void 0;\n        var init1 = void 0;\n        var init2 = void 0;\n        var init3 = void 0;\n        var encrypted0 = void 0;\n        var encrypted1 = void 0;\n        var encrypted2 = void 0;\n        var encrypted3 = void 0; // iteration variable\n\n        var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the\n        // passed-in reference and easier access\n\n        init0 = initVector[0];\n        init1 = initVector[1];\n        init2 = initVector[2];\n        init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)\n        // to each decrypted block\n\n        for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n          // convert big-endian (network order) words into little-endian\n          // (javascript order)\n          encrypted0 = ntoh(encrypted32[wordIx]);\n          encrypted1 = ntoh(encrypted32[wordIx + 1]);\n          encrypted2 = ntoh(encrypted32[wordIx + 2]);\n          encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block\n\n          decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the\n          // plaintext\n\n          decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);\n          decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);\n          decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);\n          decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round\n\n          init0 = encrypted0;\n          init1 = encrypted1;\n          init2 = encrypted2;\n          init3 = encrypted3;\n        }\n\n        return decrypted;\n      };\n      /**\n       * The `Decrypter` class that manages decryption of AES\n       * data through `AsyncStream` objects and the `decrypt`\n       * function\n       *\n       * @param {Uint8Array} encrypted the encrypted bytes\n       * @param {Uint32Array} key the bytes of the decryption key\n       * @param {Uint32Array} initVector the initialization vector (IV) to\n       * @param {Function} done the function to run when done\n       * @class Decrypter\n       */\n\n\n      var Decrypter$$1 = function () {\n        function Decrypter$$1(encrypted, key, initVector, done) {\n          classCallCheck(this, Decrypter$$1);\n          var step = Decrypter$$1.STEP;\n          var encrypted32 = new Int32Array(encrypted.buffer);\n          var decrypted = new Uint8Array(encrypted.byteLength);\n          var i = 0;\n          this.asyncStream_ = new AsyncStream$$1(); // split up the encryption job and do the individual chunks asynchronously\n\n          this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n\n          for (i = step; i < encrypted32.length; i += step) {\n            initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);\n            this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n          } // invoke the done() callback when everything is finished\n\n\n          this.asyncStream_.push(function () {\n            // remove pkcs#7 padding from the decrypted bytes\n            done(null, unpad(decrypted));\n          });\n        }\n        /**\n         * a getter for step the maximum number of bytes to process at one time\n         *\n         * @return {Number} the value of step 32000\n         */\n\n        /**\n         * @private\n         */\n\n\n        Decrypter$$1.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {\n          return function () {\n            var bytes = decrypt$$1(encrypted, key, initVector);\n            decrypted.set(bytes, encrypted.byteOffset);\n          };\n        };\n\n        createClass(Decrypter$$1, null, [{\n          key: 'STEP',\n          get: function get$$1() {\n            // 4 * 8000;\n            return 32000;\n          }\n        }]);\n        return Decrypter$$1;\n      }();\n      /**\n       * @file bin-utils.js\n       */\n\n      /**\n       * Creates an object for sending to a web worker modifying properties that are TypedArrays\n       * into a new object with seperated properties for the buffer, byteOffset, and byteLength.\n       *\n       * @param {Object} message\n       *        Object of properties and values to send to the web worker\n       * @return {Object}\n       *         Modified message with TypedArray values expanded\n       * @function createTransferableMessage\n       */\n\n\n      var createTransferableMessage = function createTransferableMessage(message) {\n        var transferable = {};\n        Object.keys(message).forEach(function (key) {\n          var value = message[key];\n\n          if (ArrayBuffer.isView(value)) {\n            transferable[key] = {\n              bytes: value.buffer,\n              byteOffset: value.byteOffset,\n              byteLength: value.byteLength\n            };\n          } else {\n            transferable[key] = value;\n          }\n        });\n        return transferable;\n      };\n      /**\n       * Our web worker interface so that things can talk to aes-decrypter\n       * that will be running in a web worker. the scope is passed to this by\n       * webworkify.\n       *\n       * @param {Object} self\n       *        the scope for the web worker\n       */\n\n\n      var DecrypterWorker = function DecrypterWorker(self) {\n        self.onmessage = function (event) {\n          var data = event.data;\n          var encrypted = new Uint8Array(data.encrypted.bytes, data.encrypted.byteOffset, data.encrypted.byteLength);\n          var key = new Uint32Array(data.key.bytes, data.key.byteOffset, data.key.byteLength / 4);\n          var iv = new Uint32Array(data.iv.bytes, data.iv.byteOffset, data.iv.byteLength / 4);\n          /* eslint-disable no-new, handle-callback-err */\n\n          new Decrypter$$1(encrypted, key, iv, function (err, bytes) {\n            self.postMessage(createTransferableMessage({\n              source: data.source,\n              decrypted: bytes\n            }), [bytes.buffer]);\n          });\n          /* eslint-enable */\n        };\n      };\n\n      var decrypterWorker = new DecrypterWorker(self);\n      return decrypterWorker;\n    }();\n  });\n  /**\n   * Convert the properties of an HLS track into an audioTrackKind.\n   *\n   * @private\n   */\n\n  var audioTrackKind_ = function audioTrackKind_(properties) {\n    var kind = properties[\"default\"] ? 'main' : 'alternative';\n\n    if (properties.characteristics && properties.characteristics.indexOf('public.accessibility.describes-video') >= 0) {\n      kind = 'main-desc';\n    }\n\n    return kind;\n  };\n  /**\n   * Pause provided segment loader and playlist loader if active\n   *\n   * @param {SegmentLoader} segmentLoader\n   *        SegmentLoader to pause\n   * @param {Object} mediaType\n   *        Active media type\n   * @function stopLoaders\n   */\n\n\n  var stopLoaders = function stopLoaders(segmentLoader, mediaType) {\n    segmentLoader.abort();\n    segmentLoader.pause();\n\n    if (mediaType && mediaType.activePlaylistLoader) {\n      mediaType.activePlaylistLoader.pause();\n      mediaType.activePlaylistLoader = null;\n    }\n  };\n  /**\n   * Start loading provided segment loader and playlist loader\n   *\n   * @param {PlaylistLoader} playlistLoader\n   *        PlaylistLoader to start loading\n   * @param {Object} mediaType\n   *        Active media type\n   * @function startLoaders\n   */\n\n\n  var startLoaders = function startLoaders(playlistLoader, mediaType) {\n    // Segment loader will be started after `loadedmetadata` or `loadedplaylist` from the\n    // playlist loader\n    mediaType.activePlaylistLoader = playlistLoader;\n    playlistLoader.load();\n  };\n  /**\n   * Returns a function to be called when the media group changes. It performs a\n   * non-destructive (preserve the buffer) resync of the SegmentLoader. This is because a\n   * change of group is merely a rendition switch of the same content at another encoding,\n   * rather than a change of content, such as switching audio from English to Spanish.\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Handler for a non-destructive resync of SegmentLoader when the active media\n   *         group changes.\n   * @function onGroupChanged\n   */\n\n\n  var onGroupChanged = function onGroupChanged(type, settings) {\n    return function () {\n      var _settings$segmentLoad = settings.segmentLoaders,\n          segmentLoader = _settings$segmentLoad[type],\n          mainSegmentLoader = _settings$segmentLoad.main,\n          mediaType = settings.mediaTypes[type];\n      var activeTrack = mediaType.activeTrack();\n      var activeGroup = mediaType.activeGroup(activeTrack);\n      var previousActiveLoader = mediaType.activePlaylistLoader;\n      stopLoaders(segmentLoader, mediaType);\n\n      if (!activeGroup) {\n        // there is no group active\n        return;\n      }\n\n      if (!activeGroup.playlistLoader) {\n        if (previousActiveLoader) {\n          // The previous group had a playlist loader but the new active group does not\n          // this means we are switching from demuxed to muxed audio. In this case we want to\n          // do a destructive reset of the main segment loader and not restart the audio\n          // loaders.\n          mainSegmentLoader.resetEverything();\n        }\n\n        return;\n      } // Non-destructive resync\n\n\n      segmentLoader.resyncLoader();\n      startLoaders(activeGroup.playlistLoader, mediaType);\n    };\n  };\n  /**\n   * Returns a function to be called when the media track changes. It performs a\n   * destructive reset of the SegmentLoader to ensure we start loading as close to\n   * currentTime as possible.\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Handler for a destructive reset of SegmentLoader when the active media\n   *         track changes.\n   * @function onTrackChanged\n   */\n\n\n  var onTrackChanged = function onTrackChanged(type, settings) {\n    return function () {\n      var _settings$segmentLoad2 = settings.segmentLoaders,\n          segmentLoader = _settings$segmentLoad2[type],\n          mainSegmentLoader = _settings$segmentLoad2.main,\n          mediaType = settings.mediaTypes[type];\n      var activeTrack = mediaType.activeTrack();\n      var activeGroup = mediaType.activeGroup(activeTrack);\n      var previousActiveLoader = mediaType.activePlaylistLoader;\n      stopLoaders(segmentLoader, mediaType);\n\n      if (!activeGroup) {\n        // there is no group active so we do not want to restart loaders\n        return;\n      }\n\n      if (!activeGroup.playlistLoader) {\n        // when switching from demuxed audio/video to muxed audio/video (noted by no playlist\n        // loader for the audio group), we want to do a destructive reset of the main segment\n        // loader and not restart the audio loaders\n        mainSegmentLoader.resetEverything();\n        return;\n      }\n\n      if (previousActiveLoader === activeGroup.playlistLoader) {\n        // Nothing has actually changed. This can happen because track change events can fire\n        // multiple times for a \"single\" change. One for enabling the new active track, and\n        // one for disabling the track that was active\n        startLoaders(activeGroup.playlistLoader, mediaType);\n        return;\n      }\n\n      if (segmentLoader.track) {\n        // For WebVTT, set the new text track in the segmentloader\n        segmentLoader.track(activeTrack);\n      } // destructive reset\n\n\n      segmentLoader.resetEverything();\n      startLoaders(activeGroup.playlistLoader, mediaType);\n    };\n  };\n\n  var onError = {\n    /**\n     * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters\n     * an error.\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Error handler. Logs warning (or error if the playlist is blacklisted) to\n     *         console and switches back to default audio track.\n     * @function onError.AUDIO\n     */\n    AUDIO: function AUDIO(type, settings) {\n      return function () {\n        var segmentLoader = settings.segmentLoaders[type],\n            mediaType = settings.mediaTypes[type],\n            blacklistCurrentPlaylist = settings.blacklistCurrentPlaylist;\n        stopLoaders(segmentLoader, mediaType); // switch back to default audio track\n\n        var activeTrack = mediaType.activeTrack();\n        var activeGroup = mediaType.activeGroup();\n        var id = (activeGroup.filter(function (group) {\n          return group[\"default\"];\n        })[0] || activeGroup[0]).id;\n        var defaultTrack = mediaType.tracks[id];\n\n        if (activeTrack === defaultTrack) {\n          // Default track encountered an error. All we can do now is blacklist the current\n          // rendition and hope another will switch audio groups\n          blacklistCurrentPlaylist({\n            message: 'Problem encountered loading the default audio track.'\n          });\n          return;\n        }\n\n        videojs$1.log.warn('Problem encountered loading the alternate audio track.' + 'Switching back to default.');\n\n        for (var trackId in mediaType.tracks) {\n          mediaType.tracks[trackId].enabled = mediaType.tracks[trackId] === defaultTrack;\n        }\n\n        mediaType.onTrackChanged();\n      };\n    },\n\n    /**\n     * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters\n     * an error.\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Error handler. Logs warning to console and disables the active subtitle track\n     * @function onError.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, settings) {\n      return function () {\n        var segmentLoader = settings.segmentLoaders[type],\n            mediaType = settings.mediaTypes[type];\n        videojs$1.log.warn('Problem encountered loading the subtitle track.' + 'Disabling subtitle track.');\n        stopLoaders(segmentLoader, mediaType);\n        var track = mediaType.activeTrack();\n\n        if (track) {\n          track.mode = 'disabled';\n        }\n\n        mediaType.onTrackChanged();\n      };\n    }\n  };\n  var setupListeners = {\n    /**\n     * Setup event listeners for audio playlist loader\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {PlaylistLoader|null} playlistLoader\n     *        PlaylistLoader to register listeners on\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function setupListeners.AUDIO\n     */\n    AUDIO: function AUDIO(type, playlistLoader, settings) {\n      if (!playlistLoader) {\n        // no playlist loader means audio will be muxed with the video\n        return;\n      }\n\n      var tech = settings.tech,\n          requestOptions = settings.requestOptions,\n          segmentLoader = settings.segmentLoaders[type];\n      playlistLoader.on('loadedmetadata', function () {\n        var media = playlistLoader.media();\n        segmentLoader.playlist(media, requestOptions); // if the video is already playing, or if this isn't a live video and preload\n        // permits, start downloading segments\n\n        if (!tech.paused() || media.endList && tech.preload() !== 'none') {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('loadedplaylist', function () {\n        segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running\n\n        if (!tech.paused()) {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup event listeners for subtitle playlist loader\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {PlaylistLoader|null} playlistLoader\n     *        PlaylistLoader to register listeners on\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function setupListeners.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, playlistLoader, settings) {\n      var tech = settings.tech,\n          requestOptions = settings.requestOptions,\n          segmentLoader = settings.segmentLoaders[type],\n          mediaType = settings.mediaTypes[type];\n      playlistLoader.on('loadedmetadata', function () {\n        var media = playlistLoader.media();\n        segmentLoader.playlist(media, requestOptions);\n        segmentLoader.track(mediaType.activeTrack()); // if the video is already playing, or if this isn't a live video and preload\n        // permits, start downloading segments\n\n        if (!tech.paused() || media.endList && tech.preload() !== 'none') {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('loadedplaylist', function () {\n        segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running\n\n        if (!tech.paused()) {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('error', onError[type](type, settings));\n    }\n  };\n  var initialize = {\n    /**\n     * Setup PlaylistLoaders and AudioTracks for the audio groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize.AUDIO\n     */\n    'AUDIO': function AUDIO(type, settings) {\n      var hls = settings.hls,\n          sourceType = settings.sourceType,\n          segmentLoader = settings.segmentLoaders[type],\n          requestOptions = settings.requestOptions,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$ = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$.groups,\n          tracks = _settings$mediaTypes$.tracks,\n          masterPlaylistLoader = settings.masterPlaylistLoader; // force a default if we have none\n\n      if (!mediaGroups[type] || Object.keys(mediaGroups[type]).length === 0) {\n        mediaGroups[type] = {\n          main: {\n            \"default\": {\n              \"default\": true\n            }\n          }\n        };\n      }\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        } // List of playlists that have an AUDIO attribute value matching the current\n        // group ID\n\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          var properties = mediaGroups[type][groupId][variantLabel];\n          var playlistLoader = void 0;\n\n          if (properties.resolvedUri) {\n            playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);\n          } else if (properties.playlists && sourceType === 'dash') {\n            playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);\n          } else {\n            // no resolvedUri means the audio is muxed with the video when using this\n            // audio track\n            playlistLoader = null;\n          }\n\n          properties = videojs$1.mergeOptions({\n            id: variantLabel,\n            playlistLoader: playlistLoader\n          }, properties);\n          setupListeners[type](type, properties.playlistLoader, settings);\n          groups[groupId].push(properties);\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = new videojs$1.AudioTrack({\n              id: variantLabel,\n              kind: audioTrackKind_(properties),\n              enabled: false,\n              language: properties.language,\n              \"default\": properties[\"default\"],\n              label: variantLabel\n            });\n            tracks[variantLabel] = track;\n          }\n        }\n      } // setup single error event handler for the segment loader\n\n\n      segmentLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup PlaylistLoaders and TextTracks for the subtitle groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize.SUBTITLES\n     */\n    'SUBTITLES': function SUBTITLES(type, settings) {\n      var tech = settings.tech,\n          hls = settings.hls,\n          sourceType = settings.sourceType,\n          segmentLoader = settings.segmentLoaders[type],\n          requestOptions = settings.requestOptions,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$2 = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$2.groups,\n          tracks = _settings$mediaTypes$2.tracks,\n          masterPlaylistLoader = settings.masterPlaylistLoader;\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        }\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          if (mediaGroups[type][groupId][variantLabel].forced) {\n            // Subtitle playlists with the forced attribute are not selectable in Safari.\n            // According to Apple's HLS Authoring Specification:\n            //   If content has forced subtitles and regular subtitles in a given language,\n            //   the regular subtitles track in that language MUST contain both the forced\n            //   subtitles and the regular subtitles for that language.\n            // Because of this requirement and that Safari does not add forced subtitles,\n            // forced subtitles are skipped here to maintain consistent experience across\n            // all platforms\n            continue;\n          }\n\n          var properties = mediaGroups[type][groupId][variantLabel];\n          var playlistLoader = void 0;\n\n          if (sourceType === 'hls') {\n            playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);\n          } else if (sourceType === 'dash') {\n            playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);\n          }\n\n          properties = videojs$1.mergeOptions({\n            id: variantLabel,\n            playlistLoader: playlistLoader\n          }, properties);\n          setupListeners[type](type, properties.playlistLoader, settings);\n          groups[groupId].push(properties);\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = tech.addRemoteTextTrack({\n              id: variantLabel,\n              kind: 'subtitles',\n              \"default\": properties[\"default\"] && properties.autoselect,\n              language: properties.language,\n              label: variantLabel\n            }, false).track;\n            tracks[variantLabel] = track;\n          }\n        }\n      } // setup single error event handler for the segment loader\n\n\n      segmentLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup TextTracks for the closed-caption groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize['CLOSED-CAPTIONS']\n     */\n    'CLOSED-CAPTIONS': function CLOSEDCAPTIONS(type, settings) {\n      var tech = settings.tech,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$3 = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$3.groups,\n          tracks = _settings$mediaTypes$3.tracks;\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        }\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          var properties = mediaGroups[type][groupId][variantLabel]; // We only support CEA608 captions for now, so ignore anything that\n          // doesn't use a CCx INSTREAM-ID\n\n          if (!properties.instreamId.match(/CC\\d/)) {\n            continue;\n          } // No PlaylistLoader is required for Closed-Captions because the captions are\n          // embedded within the video stream\n\n\n          groups[groupId].push(videojs$1.mergeOptions({\n            id: variantLabel\n          }, properties));\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = tech.addRemoteTextTrack({\n              id: properties.instreamId,\n              kind: 'captions',\n              \"default\": properties[\"default\"] && properties.autoselect,\n              language: properties.language,\n              label: variantLabel\n            }, false).track;\n            tracks[variantLabel] = track;\n          }\n        }\n      }\n    }\n  };\n  /**\n   * Returns a function used to get the active group of the provided type\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Function that returns the active media group for the provided type. Takes an\n   *         optional parameter {TextTrack} track. If no track is provided, a list of all\n   *         variants in the group, otherwise the variant corresponding to the provided\n   *         track is returned.\n   * @function activeGroup\n   */\n\n  var activeGroup = function activeGroup(type, settings) {\n    return function (track) {\n      var masterPlaylistLoader = settings.masterPlaylistLoader,\n          groups = settings.mediaTypes[type].groups;\n      var media = masterPlaylistLoader.media();\n\n      if (!media) {\n        return null;\n      }\n\n      var variants = null;\n\n      if (media.attributes[type]) {\n        variants = groups[media.attributes[type]];\n      }\n\n      variants = variants || groups.main;\n\n      if (typeof track === 'undefined') {\n        return variants;\n      }\n\n      if (track === null) {\n        // An active track was specified so a corresponding group is expected. track === null\n        // means no track is currently active so there is no corresponding group\n        return null;\n      }\n\n      return variants.filter(function (props) {\n        return props.id === track.id;\n      })[0] || null;\n    };\n  };\n\n  var activeTrack = {\n    /**\n     * Returns a function used to get the active track of type provided\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Function that returns the active media track for the provided type. Returns\n     *         null if no track is active\n     * @function activeTrack.AUDIO\n     */\n    AUDIO: function AUDIO(type, settings) {\n      return function () {\n        var tracks = settings.mediaTypes[type].tracks;\n\n        for (var id in tracks) {\n          if (tracks[id].enabled) {\n            return tracks[id];\n          }\n        }\n\n        return null;\n      };\n    },\n\n    /**\n     * Returns a function used to get the active track of type provided\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Function that returns the active media track for the provided type. Returns\n     *         null if no track is active\n     * @function activeTrack.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, settings) {\n      return function () {\n        var tracks = settings.mediaTypes[type].tracks;\n\n        for (var id in tracks) {\n          if (tracks[id].mode === 'showing' || tracks[id].mode === 'hidden') {\n            return tracks[id];\n          }\n        }\n\n        return null;\n      };\n    }\n  };\n  /**\n   * Setup PlaylistLoaders and Tracks for media groups (Audio, Subtitles,\n   * Closed-Captions) specified in the master manifest.\n   *\n   * @param {Object} settings\n   *        Object containing required information for setting up the media groups\n   * @param {SegmentLoader} settings.segmentLoaders.AUDIO\n   *        Audio segment loader\n   * @param {SegmentLoader} settings.segmentLoaders.SUBTITLES\n   *        Subtitle segment loader\n   * @param {SegmentLoader} settings.segmentLoaders.main\n   *        Main segment loader\n   * @param {Tech} settings.tech\n   *        The tech of the player\n   * @param {Object} settings.requestOptions\n   *        XHR request options used by the segment loaders\n   * @param {PlaylistLoader} settings.masterPlaylistLoader\n   *        PlaylistLoader for the master source\n   * @param {HlsHandler} settings.hls\n   *        HLS SourceHandler\n   * @param {Object} settings.master\n   *        The parsed master manifest\n   * @param {Object} settings.mediaTypes\n   *        Object to store the loaders, tracks, and utility methods for each media type\n   * @param {Function} settings.blacklistCurrentPlaylist\n   *        Blacklists the current rendition and forces a rendition switch.\n   * @function setupMediaGroups\n   */\n\n  var setupMediaGroups = function setupMediaGroups(settings) {\n    ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {\n      initialize[type](type, settings);\n    });\n    var mediaTypes = settings.mediaTypes,\n        masterPlaylistLoader = settings.masterPlaylistLoader,\n        tech = settings.tech,\n        hls = settings.hls; // setup active group and track getters and change event handlers\n\n    ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n      mediaTypes[type].activeGroup = activeGroup(type, settings);\n      mediaTypes[type].activeTrack = activeTrack[type](type, settings);\n      mediaTypes[type].onGroupChanged = onGroupChanged(type, settings);\n      mediaTypes[type].onTrackChanged = onTrackChanged(type, settings);\n    }); // DO NOT enable the default subtitle or caption track.\n    // DO enable the default audio track\n\n    var audioGroup = mediaTypes.AUDIO.activeGroup();\n    var groupId = (audioGroup.filter(function (group) {\n      return group[\"default\"];\n    })[0] || audioGroup[0]).id;\n    mediaTypes.AUDIO.tracks[groupId].enabled = true;\n    mediaTypes.AUDIO.onTrackChanged();\n    masterPlaylistLoader.on('mediachange', function () {\n      ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n        return mediaTypes[type].onGroupChanged();\n      });\n    }); // custom audio track change event handler for usage event\n\n    var onAudioTrackChanged = function onAudioTrackChanged() {\n      mediaTypes.AUDIO.onTrackChanged();\n      tech.trigger({\n        type: 'usage',\n        name: 'hls-audio-change'\n      });\n    };\n\n    tech.audioTracks().addEventListener('change', onAudioTrackChanged);\n    tech.remoteTextTracks().addEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);\n    hls.on('dispose', function () {\n      tech.audioTracks().removeEventListener('change', onAudioTrackChanged);\n      tech.remoteTextTracks().removeEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);\n    }); // clear existing audio tracks and add the ones we just created\n\n    tech.clearTracks('audio');\n\n    for (var id in mediaTypes.AUDIO.tracks) {\n      tech.audioTracks().addTrack(mediaTypes.AUDIO.tracks[id]);\n    }\n  };\n  /**\n   * Creates skeleton object used to store the loaders, tracks, and utility methods for each\n   * media type\n   *\n   * @return {Object}\n   *         Object to store the loaders, tracks, and utility methods for each media type\n   * @function createMediaTypes\n   */\n\n\n  var createMediaTypes = function createMediaTypes() {\n    var mediaTypes = {};\n    ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {\n      mediaTypes[type] = {\n        groups: {},\n        tracks: {},\n        activePlaylistLoader: null,\n        activeGroup: noop$1,\n        activeTrack: noop$1,\n        onGroupChanged: noop$1,\n        onTrackChanged: noop$1\n      };\n    });\n    return mediaTypes;\n  };\n  /**\n   * @file master-playlist-controller.js\n   */\n\n\n  var ABORT_EARLY_BLACKLIST_SECONDS = 60 * 2;\n  var Hls = void 0; // SegmentLoader stats that need to have each loader's\n  // values summed to calculate the final value\n\n  var loaderStats = ['mediaRequests', 'mediaRequestsAborted', 'mediaRequestsTimedout', 'mediaRequestsErrored', 'mediaTransferDuration', 'mediaBytesTransferred'];\n\n  var sumLoaderStat = function sumLoaderStat(stat) {\n    return this.audioSegmentLoader_[stat] + this.mainSegmentLoader_[stat];\n  };\n  /**\n   * the master playlist controller controller all interactons\n   * between playlists and segmentloaders. At this time this mainly\n   * involves a master playlist and a series of audio playlists\n   * if they are available\n   *\n   * @class MasterPlaylistController\n   * @extends videojs.EventTarget\n   */\n\n\n  var MasterPlaylistController = function (_videojs$EventTarget) {\n    inherits$2(MasterPlaylistController, _videojs$EventTarget);\n\n    function MasterPlaylistController(options) {\n      classCallCheck$1(this, MasterPlaylistController);\n\n      var _this = possibleConstructorReturn$1(this, (MasterPlaylistController.__proto__ || Object.getPrototypeOf(MasterPlaylistController)).call(this));\n\n      var url = options.url,\n          handleManifestRedirects = options.handleManifestRedirects,\n          withCredentials = options.withCredentials,\n          tech = options.tech,\n          bandwidth = options.bandwidth,\n          externHls = options.externHls,\n          useCueTags = options.useCueTags,\n          blacklistDuration = options.blacklistDuration,\n          enableLowInitialPlaylist = options.enableLowInitialPlaylist,\n          sourceType = options.sourceType,\n          seekTo = options.seekTo,\n          cacheEncryptionKeys = options.cacheEncryptionKeys;\n\n      if (!url) {\n        throw new Error('A non-empty playlist URL is required');\n      }\n\n      Hls = externHls;\n      _this.withCredentials = withCredentials;\n      _this.tech_ = tech;\n      _this.hls_ = tech.hls;\n      _this.seekTo_ = seekTo;\n      _this.sourceType_ = sourceType;\n      _this.useCueTags_ = useCueTags;\n      _this.blacklistDuration = blacklistDuration;\n      _this.enableLowInitialPlaylist = enableLowInitialPlaylist;\n\n      if (_this.useCueTags_) {\n        _this.cueTagsTrack_ = _this.tech_.addTextTrack('metadata', 'ad-cues');\n        _this.cueTagsTrack_.inBandMetadataTrackDispatchType = '';\n      }\n\n      _this.requestOptions_ = {\n        withCredentials: withCredentials,\n        handleManifestRedirects: handleManifestRedirects,\n        timeout: null\n      };\n      _this.mediaTypes_ = createMediaTypes();\n      _this.mediaSource = new videojs$1.MediaSource(); // load the media source into the player\n\n      _this.mediaSource.addEventListener('sourceopen', _this.handleSourceOpen_.bind(_this));\n\n      _this.seekable_ = videojs$1.createTimeRanges();\n      _this.hasPlayed_ = false;\n      _this.syncController_ = new SyncController(options);\n      _this.segmentMetadataTrack_ = tech.addRemoteTextTrack({\n        kind: 'metadata',\n        label: 'segment-metadata'\n      }, false).track;\n      _this.decrypter_ = new Decrypter$1();\n      _this.inbandTextTracks_ = {};\n      var segmentLoaderSettings = {\n        hls: _this.hls_,\n        mediaSource: _this.mediaSource,\n        currentTime: _this.tech_.currentTime.bind(_this.tech_),\n        seekable: function seekable$$1() {\n          return _this.seekable();\n        },\n        seeking: function seeking() {\n          return _this.tech_.seeking();\n        },\n        duration: function duration$$1() {\n          return _this.mediaSource.duration;\n        },\n        hasPlayed: function hasPlayed() {\n          return _this.hasPlayed_;\n        },\n        goalBufferLength: function goalBufferLength() {\n          return _this.goalBufferLength();\n        },\n        bandwidth: bandwidth,\n        syncController: _this.syncController_,\n        decrypter: _this.decrypter_,\n        sourceType: _this.sourceType_,\n        inbandTextTracks: _this.inbandTextTracks_,\n        cacheEncryptionKeys: cacheEncryptionKeys\n      };\n      _this.masterPlaylistLoader_ = _this.sourceType_ === 'dash' ? new DashPlaylistLoader(url, _this.hls_, _this.requestOptions_) : new PlaylistLoader(url, _this.hls_, _this.requestOptions_);\n\n      _this.setupMasterPlaylistLoaderListeners_(); // setup segment loaders\n      // combined audio/video or just video when alternate audio track is selected\n\n\n      _this.mainSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        segmentMetadataTrack: _this.segmentMetadataTrack_,\n        loaderType: 'main'\n      }), options); // alternate audio track\n\n      _this.audioSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        loaderType: 'audio'\n      }), options);\n      _this.subtitleSegmentLoader_ = new VTTSegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        loaderType: 'vtt',\n        featuresNativeTextTracks: _this.tech_.featuresNativeTextTracks\n      }), options);\n\n      _this.setupSegmentLoaderListeners_(); // Create SegmentLoader stat-getters\n\n\n      loaderStats.forEach(function (stat) {\n        _this[stat + '_'] = sumLoaderStat.bind(_this, stat);\n      });\n      _this.logger_ = logger('MPC');\n\n      _this.masterPlaylistLoader_.load();\n\n      return _this;\n    }\n    /**\n     * Register event handlers on the master playlist loader. A helper\n     * function for construction time.\n     *\n     * @private\n     */\n\n\n    createClass$1(MasterPlaylistController, [{\n      key: 'setupMasterPlaylistLoaderListeners_',\n      value: function setupMasterPlaylistLoaderListeners_() {\n        var _this2 = this;\n\n        this.masterPlaylistLoader_.on('loadedmetadata', function () {\n          var media = _this2.masterPlaylistLoader_.media();\n\n          var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to\n          // timeout the request.\n\n          if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {\n            _this2.requestOptions_.timeout = 0;\n          } else {\n            _this2.requestOptions_.timeout = requestTimeout;\n          } // if this isn't a live video and preload permits, start\n          // downloading segments\n\n\n          if (media.endList && _this2.tech_.preload() !== 'none') {\n            _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);\n\n            _this2.mainSegmentLoader_.load();\n          }\n\n          setupMediaGroups({\n            sourceType: _this2.sourceType_,\n            segmentLoaders: {\n              AUDIO: _this2.audioSegmentLoader_,\n              SUBTITLES: _this2.subtitleSegmentLoader_,\n              main: _this2.mainSegmentLoader_\n            },\n            tech: _this2.tech_,\n            requestOptions: _this2.requestOptions_,\n            masterPlaylistLoader: _this2.masterPlaylistLoader_,\n            hls: _this2.hls_,\n            master: _this2.master(),\n            mediaTypes: _this2.mediaTypes_,\n            blacklistCurrentPlaylist: _this2.blacklistCurrentPlaylist.bind(_this2)\n          });\n\n          _this2.triggerPresenceUsage_(_this2.master(), media);\n\n          try {\n            _this2.setupSourceBuffers_();\n          } catch (e) {\n            videojs$1.log.warn('Failed to create SourceBuffers', e);\n            return _this2.mediaSource.endOfStream('decode');\n          }\n\n          _this2.setupFirstPlay();\n\n          if (!_this2.mediaTypes_.AUDIO.activePlaylistLoader || _this2.mediaTypes_.AUDIO.activePlaylistLoader.media()) {\n            _this2.trigger('selectedinitialmedia');\n          } else {\n            // We must wait for the active audio playlist loader to\n            // finish setting up before triggering this event so the\n            // representations API and EME setup is correct\n            _this2.mediaTypes_.AUDIO.activePlaylistLoader.one('loadedmetadata', function () {\n              _this2.trigger('selectedinitialmedia');\n            });\n          }\n        });\n        this.masterPlaylistLoader_.on('loadedplaylist', function () {\n          var updatedPlaylist = _this2.masterPlaylistLoader_.media();\n\n          if (!updatedPlaylist) {\n            // blacklist any variants that are not supported by the browser before selecting\n            // an initial media as the playlist selectors do not consider browser support\n            _this2.excludeUnsupportedVariants_();\n\n            var selectedMedia = void 0;\n\n            if (_this2.enableLowInitialPlaylist) {\n              selectedMedia = _this2.selectInitialPlaylist();\n            }\n\n            if (!selectedMedia) {\n              selectedMedia = _this2.selectPlaylist();\n            }\n\n            _this2.initialMedia_ = selectedMedia;\n\n            _this2.masterPlaylistLoader_.media(_this2.initialMedia_);\n\n            return;\n          }\n\n          if (_this2.useCueTags_) {\n            _this2.updateAdCues_(updatedPlaylist);\n          } // TODO: Create a new event on the PlaylistLoader that signals\n          // that the segments have changed in some way and use that to\n          // update the SegmentLoader instead of doing it twice here and\n          // on `mediachange`\n\n\n          _this2.mainSegmentLoader_.playlist(updatedPlaylist, _this2.requestOptions_);\n\n          _this2.updateDuration(); // If the player isn't paused, ensure that the segment loader is running,\n          // as it is possible that it was temporarily stopped while waiting for\n          // a playlist (e.g., in case the playlist errored and we re-requested it).\n\n\n          if (!_this2.tech_.paused()) {\n            _this2.mainSegmentLoader_.load();\n\n            if (_this2.audioSegmentLoader_) {\n              _this2.audioSegmentLoader_.load();\n            }\n          }\n\n          if (!updatedPlaylist.endList) {\n            var addSeekableRange = function addSeekableRange() {\n              var seekable$$1 = _this2.seekable();\n\n              if (seekable$$1.length !== 0) {\n                _this2.mediaSource.addSeekableRange_(seekable$$1.start(0), seekable$$1.end(0));\n              }\n            };\n\n            if (_this2.duration() !== Infinity) {\n              var onDurationchange = function onDurationchange() {\n                if (_this2.duration() === Infinity) {\n                  addSeekableRange();\n                } else {\n                  _this2.tech_.one('durationchange', onDurationchange);\n                }\n              };\n\n              _this2.tech_.one('durationchange', onDurationchange);\n            } else {\n              addSeekableRange();\n            }\n          }\n        });\n        this.masterPlaylistLoader_.on('error', function () {\n          _this2.blacklistCurrentPlaylist(_this2.masterPlaylistLoader_.error);\n        });\n        this.masterPlaylistLoader_.on('mediachanging', function () {\n          _this2.mainSegmentLoader_.abort();\n\n          _this2.mainSegmentLoader_.pause();\n        });\n        this.masterPlaylistLoader_.on('mediachange', function () {\n          var media = _this2.masterPlaylistLoader_.media();\n\n          var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to\n          // timeout the request.\n\n          if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {\n            _this2.requestOptions_.timeout = 0;\n          } else {\n            _this2.requestOptions_.timeout = requestTimeout;\n          } // TODO: Create a new event on the PlaylistLoader that signals\n          // that the segments have changed in some way and use that to\n          // update the SegmentLoader instead of doing it twice here and\n          // on `loadedplaylist`\n\n\n          _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);\n\n          _this2.mainSegmentLoader_.load();\n\n          _this2.tech_.trigger({\n            type: 'mediachange',\n            bubbles: true\n          });\n        });\n        this.masterPlaylistLoader_.on('playlistunchanged', function () {\n          var updatedPlaylist = _this2.masterPlaylistLoader_.media();\n\n          var playlistOutdated = _this2.stuckAtPlaylistEnd_(updatedPlaylist);\n\n          if (playlistOutdated) {\n            // Playlist has stopped updating and we're stuck at its end. Try to\n            // blacklist it and switch to another playlist in the hope that that\n            // one is updating (and give the player a chance to re-adjust to the\n            // safe live point).\n            _this2.blacklistCurrentPlaylist({\n              message: 'Playlist no longer updating.'\n            }); // useful for monitoring QoS\n\n\n            _this2.tech_.trigger('playliststuck');\n          }\n        });\n        this.masterPlaylistLoader_.on('renditiondisabled', function () {\n          _this2.tech_.trigger({\n            type: 'usage',\n            name: 'hls-rendition-disabled'\n          });\n        });\n        this.masterPlaylistLoader_.on('renditionenabled', function () {\n          _this2.tech_.trigger({\n            type: 'usage',\n            name: 'hls-rendition-enabled'\n          });\n        });\n      }\n      /**\n       * A helper function for triggerring presence usage events once per source\n       *\n       * @private\n       */\n\n    }, {\n      key: 'triggerPresenceUsage_',\n      value: function triggerPresenceUsage_(master, media) {\n        var mediaGroups = master.mediaGroups || {};\n        var defaultDemuxed = true;\n        var audioGroupKeys = Object.keys(mediaGroups.AUDIO);\n\n        for (var mediaGroup in mediaGroups.AUDIO) {\n          for (var label in mediaGroups.AUDIO[mediaGroup]) {\n            var properties = mediaGroups.AUDIO[mediaGroup][label];\n\n            if (!properties.uri) {\n              defaultDemuxed = false;\n            }\n          }\n        }\n\n        if (defaultDemuxed) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-demuxed'\n          });\n        }\n\n        if (Object.keys(mediaGroups.SUBTITLES).length) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-webvtt'\n          });\n        }\n\n        if (Hls.Playlist.isAes(media)) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-aes'\n          });\n        }\n\n        if (Hls.Playlist.isFmp4(media)) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-fmp4'\n          });\n        }\n\n        if (audioGroupKeys.length && Object.keys(mediaGroups.AUDIO[audioGroupKeys[0]]).length > 1) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-alternate-audio'\n          });\n        }\n\n        if (this.useCueTags_) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-playlist-cue-tags'\n          });\n        }\n      }\n      /**\n       * Register event handlers on the segment loaders. A helper function\n       * for construction time.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'setupSegmentLoaderListeners_',\n      value: function setupSegmentLoaderListeners_() {\n        var _this3 = this;\n\n        this.mainSegmentLoader_.on('bandwidthupdate', function () {\n          var nextPlaylist = _this3.selectPlaylist();\n\n          var currentPlaylist = _this3.masterPlaylistLoader_.media();\n\n          var buffered = _this3.tech_.buffered();\n\n          var forwardBuffer = buffered.length ? buffered.end(buffered.length - 1) - _this3.tech_.currentTime() : 0;\n\n          var bufferLowWaterLine = _this3.bufferLowWaterLine(); // If the playlist is live, then we want to not take low water line into account.\n          // This is because in LIVE, the player plays 3 segments from the end of the\n          // playlist, and if `BUFFER_LOW_WATER_LINE` is greater than the duration availble\n          // in those segments, a viewer will never experience a rendition upswitch.\n\n\n          if (!currentPlaylist.endList || // For the same reason as LIVE, we ignore the low water line when the VOD\n          // duration is below the max potential low water line\n          _this3.duration() < Config.MAX_BUFFER_LOW_WATER_LINE || // we want to switch down to lower resolutions quickly to continue playback, but\n          nextPlaylist.attributes.BANDWIDTH < currentPlaylist.attributes.BANDWIDTH || // ensure we have some buffer before we switch up to prevent us running out of\n          // buffer while loading a higher rendition.\n          forwardBuffer >= bufferLowWaterLine) {\n            _this3.masterPlaylistLoader_.media(nextPlaylist);\n          }\n\n          _this3.tech_.trigger('bandwidthupdate');\n        });\n        this.mainSegmentLoader_.on('progress', function () {\n          _this3.trigger('progress');\n        });\n        this.mainSegmentLoader_.on('error', function () {\n          _this3.blacklistCurrentPlaylist(_this3.mainSegmentLoader_.error());\n        });\n        this.mainSegmentLoader_.on('syncinfoupdate', function () {\n          _this3.onSyncInfoUpdate_();\n        });\n        this.mainSegmentLoader_.on('timestampoffset', function () {\n          _this3.tech_.trigger({\n            type: 'usage',\n            name: 'hls-timestamp-offset'\n          });\n        });\n        this.audioSegmentLoader_.on('syncinfoupdate', function () {\n          _this3.onSyncInfoUpdate_();\n        });\n        this.mainSegmentLoader_.on('ended', function () {\n          _this3.onEndOfStream();\n        });\n        this.mainSegmentLoader_.on('earlyabort', function () {\n          _this3.blacklistCurrentPlaylist({\n            message: 'Aborted early because there isn\\'t enough bandwidth to complete the ' + 'request without rebuffering.'\n          }, ABORT_EARLY_BLACKLIST_SECONDS);\n        });\n        this.mainSegmentLoader_.on('reseteverything', function () {\n          // If playing an MTS stream, a videojs.MediaSource is listening for\n          // hls-reset to reset caption parsing state in the transmuxer\n          _this3.tech_.trigger('hls-reset');\n        });\n        this.mainSegmentLoader_.on('segmenttimemapping', function (event) {\n          // If playing an MTS stream in html, a videojs.MediaSource is listening for\n          // hls-segment-time-mapping update its internal mapping of stream to display time\n          _this3.tech_.trigger({\n            type: 'hls-segment-time-mapping',\n            mapping: event.mapping\n          });\n        });\n        this.audioSegmentLoader_.on('ended', function () {\n          _this3.onEndOfStream();\n        });\n      }\n    }, {\n      key: 'mediaSecondsLoaded_',\n      value: function mediaSecondsLoaded_() {\n        return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded + this.mainSegmentLoader_.mediaSecondsLoaded);\n      }\n      /**\n       * Call load on our SegmentLoaders\n       */\n\n    }, {\n      key: 'load',\n      value: function load() {\n        this.mainSegmentLoader_.load();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.load();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.load();\n        }\n      }\n      /**\n       * Re-tune playback quality level for the current player\n       * conditions without performing destructive actions, like\n       * removing already buffered content\n       *\n       * @private\n       */\n\n    }, {\n      key: 'smoothQualityChange_',\n      value: function smoothQualityChange_() {\n        var media = this.selectPlaylist();\n\n        if (media !== this.masterPlaylistLoader_.media()) {\n          this.masterPlaylistLoader_.media(media);\n          this.mainSegmentLoader_.resetLoader(); // don't need to reset audio as it is reset when media changes\n        }\n      }\n      /**\n       * Re-tune playback quality level for the current player\n       * conditions. This method will perform destructive actions like removing\n       * already buffered content in order to readjust the currently active\n       * playlist quickly. This is good for manual quality changes\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fastQualityChange_',\n      value: function fastQualityChange_() {\n        var _this4 = this;\n\n        var media = this.selectPlaylist();\n\n        if (media === this.masterPlaylistLoader_.media()) {\n          return;\n        }\n\n        this.masterPlaylistLoader_.media(media); // Delete all buffered data to allow an immediate quality switch, then seek to give\n        // the browser a kick to remove any cached frames from the previous rendtion (.04 seconds\n        // ahead is roughly the minimum that will accomplish this across a variety of content\n        // in IE and Edge, but seeking in place is sufficient on all other browsers)\n        // Edge/IE bug: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/14600375/\n        // Chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=651904\n\n        this.mainSegmentLoader_.resetEverything(function () {\n          // Since this is not a typical seek, we avoid the seekTo method which can cause segments\n          // from the previously enabled rendition to load before the new playlist has finished loading\n          if (videojs$1.browser.IE_VERSION || videojs$1.browser.IS_EDGE) {\n            _this4.tech_.setCurrentTime(_this4.tech_.currentTime() + 0.04);\n          } else {\n            _this4.tech_.setCurrentTime(_this4.tech_.currentTime());\n          }\n        }); // don't need to reset audio as it is reset when media changes\n      }\n      /**\n       * Begin playback.\n       */\n\n    }, {\n      key: 'play',\n      value: function play() {\n        if (this.setupFirstPlay()) {\n          return;\n        }\n\n        if (this.tech_.ended()) {\n          this.seekTo_(0);\n        }\n\n        if (this.hasPlayed_) {\n          this.load();\n        }\n\n        var seekable$$1 = this.tech_.seekable(); // if the viewer has paused and we fell out of the live window,\n        // seek forward to the live point\n\n        if (this.tech_.duration() === Infinity) {\n          if (this.tech_.currentTime() < seekable$$1.start(0)) {\n            return this.seekTo_(seekable$$1.end(seekable$$1.length - 1));\n          }\n        }\n      }\n      /**\n       * Seek to the latest media position if this is a live video and the\n       * player and video are loaded and initialized.\n       */\n\n    }, {\n      key: 'setupFirstPlay',\n      value: function setupFirstPlay() {\n        var _this5 = this;\n\n        var media = this.masterPlaylistLoader_.media(); // Check that everything is ready to begin buffering for the first call to play\n        //  If 1) there is no active media\n        //     2) the player is paused\n        //     3) the first play has already been setup\n        // then exit early\n\n        if (!media || this.tech_.paused() || this.hasPlayed_) {\n          return false;\n        } // when the video is a live stream\n\n\n        if (!media.endList) {\n          var seekable$$1 = this.seekable();\n\n          if (!seekable$$1.length) {\n            // without a seekable range, the player cannot seek to begin buffering at the live\n            // point\n            return false;\n          }\n\n          if (videojs$1.browser.IE_VERSION && this.tech_.readyState() === 0) {\n            // IE11 throws an InvalidStateError if you try to set currentTime while the\n            // readyState is 0, so it must be delayed until the tech fires loadedmetadata.\n            this.tech_.one('loadedmetadata', function () {\n              _this5.trigger('firstplay');\n\n              _this5.seekTo_(seekable$$1.end(0));\n\n              _this5.hasPlayed_ = true;\n            });\n            return false;\n          } // trigger firstplay to inform the source handler to ignore the next seek event\n\n\n          this.trigger('firstplay'); // seek to the live point\n\n          this.seekTo_(seekable$$1.end(0));\n        }\n\n        this.hasPlayed_ = true; // we can begin loading now that everything is ready\n\n        this.load();\n        return true;\n      }\n      /**\n       * handle the sourceopen event on the MediaSource\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSourceOpen_',\n      value: function handleSourceOpen_() {\n        // Only attempt to create the source buffer if none already exist.\n        // handleSourceOpen is also called when we are \"re-opening\" a source buffer\n        // after `endOfStream` has been called (in response to a seek for instance)\n        try {\n          this.setupSourceBuffers_();\n        } catch (e) {\n          videojs$1.log.warn('Failed to create Source Buffers', e);\n          return this.mediaSource.endOfStream('decode');\n        } // if autoplay is enabled, begin playback. This is duplicative of\n        // code in video.js but is required because play() must be invoked\n        // *after* the media source has opened.\n\n\n        if (this.tech_.autoplay()) {\n          var playPromise = this.tech_.play(); // Catch/silence error when a pause interrupts a play request\n          // on browsers which return a promise\n\n          if (typeof playPromise !== 'undefined' && typeof playPromise.then === 'function') {\n            playPromise.then(null, function (e) {});\n          }\n        }\n\n        this.trigger('sourceopen');\n      }\n      /**\n       * Calls endOfStream on the media source when all active stream types have called\n       * endOfStream\n       *\n       * @param {string} streamType\n       *        Stream type of the segment loader that called endOfStream\n       * @private\n       */\n\n    }, {\n      key: 'onEndOfStream',\n      value: function onEndOfStream() {\n        var isEndOfStream = this.mainSegmentLoader_.ended_;\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          // if the audio playlist loader exists, then alternate audio is active\n          if (!this.mainSegmentLoader_.startingMedia_ || this.mainSegmentLoader_.startingMedia_.containsVideo) {\n            // if we do not know if the main segment loader contains video yet or if we\n            // definitively know the main segment loader contains video, then we need to wait\n            // for both main and audio segment loaders to call endOfStream\n            isEndOfStream = isEndOfStream && this.audioSegmentLoader_.ended_;\n          } else {\n            // otherwise just rely on the audio loader\n            isEndOfStream = this.audioSegmentLoader_.ended_;\n          }\n        }\n\n        if (!isEndOfStream) {\n          return;\n        }\n\n        this.logger_('calling mediaSource.endOfStream()'); // on chrome calling endOfStream can sometimes cause an exception,\n        // even when the media source is in a valid state.\n\n        try {\n          this.mediaSource.endOfStream();\n        } catch (e) {\n          videojs$1.log.warn('Failed to call media source endOfStream', e);\n        }\n      }\n      /**\n       * Check if a playlist has stopped being updated\n       * @param {Object} playlist the media playlist object\n       * @return {boolean} whether the playlist has stopped being updated or not\n       */\n\n    }, {\n      key: 'stuckAtPlaylistEnd_',\n      value: function stuckAtPlaylistEnd_(playlist) {\n        var seekable$$1 = this.seekable();\n\n        if (!seekable$$1.length) {\n          // playlist doesn't have enough information to determine whether we are stuck\n          return false;\n        }\n\n        var expired = this.syncController_.getExpiredTime(playlist, this.mediaSource.duration);\n\n        if (expired === null) {\n          return false;\n        } // does not use the safe live end to calculate playlist end, since we\n        // don't want to say we are stuck while there is still content\n\n\n        var absolutePlaylistEnd = Hls.Playlist.playlistEnd(playlist, expired);\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n\n        if (!buffered.length) {\n          // return true if the playhead reached the absolute end of the playlist\n          return absolutePlaylistEnd - currentTime <= SAFE_TIME_DELTA;\n        }\n\n        var bufferedEnd = buffered.end(buffered.length - 1); // return true if there is too little buffer left and buffer has reached absolute\n        // end of playlist\n\n        return bufferedEnd - currentTime <= SAFE_TIME_DELTA && absolutePlaylistEnd - bufferedEnd <= SAFE_TIME_DELTA;\n      }\n      /**\n       * Blacklists a playlist when an error occurs for a set amount of time\n       * making it unavailable for selection by the rendition selection algorithm\n       * and then forces a new playlist (rendition) selection.\n       *\n       * @param {Object=} error an optional error that may include the playlist\n       * to blacklist\n       * @param {Number=} blacklistDuration an optional number of seconds to blacklist the\n       * playlist\n       */\n\n    }, {\n      key: 'blacklistCurrentPlaylist',\n      value: function blacklistCurrentPlaylist() {\n        var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n        var blacklistDuration = arguments[1];\n        var currentPlaylist = void 0;\n        var nextPlaylist = void 0; // If the `error` was generated by the playlist loader, it will contain\n        // the playlist we were trying to load (but failed) and that should be\n        // blacklisted instead of the currently selected playlist which is likely\n        // out-of-date in this scenario\n\n        currentPlaylist = error.playlist || this.masterPlaylistLoader_.media();\n        blacklistDuration = blacklistDuration || error.blacklistDuration || this.blacklistDuration; // If there is no current playlist, then an error occurred while we were\n        // trying to load the master OR while we were disposing of the tech\n\n        if (!currentPlaylist) {\n          this.error = error;\n\n          try {\n            return this.mediaSource.endOfStream('network');\n          } catch (e) {\n            return this.trigger('error');\n          }\n        }\n\n        var isFinalRendition = this.masterPlaylistLoader_.master.playlists.filter(isEnabled).length === 1;\n        var playlists = this.masterPlaylistLoader_.master.playlists;\n\n        if (playlists.length === 1) {\n          // Never blacklisting this playlist because it's the only playlist\n          videojs$1.log.warn('Problem encountered with the current ' + 'HLS playlist. Trying again since it is the only playlist.');\n          this.tech_.trigger('retryplaylist');\n          return this.masterPlaylistLoader_.load(isFinalRendition);\n        }\n\n        if (isFinalRendition) {\n          // Since we're on the final non-blacklisted playlist, and we're about to blacklist\n          // it, instead of erring the player or retrying this playlist, clear out the current\n          // blacklist. This allows other playlists to be attempted in case any have been\n          // fixed.\n          videojs$1.log.warn('Removing all playlists from the blacklist because the last ' + 'rendition is about to be blacklisted.');\n          playlists.forEach(function (playlist) {\n            if (playlist.excludeUntil !== Infinity) {\n              delete playlist.excludeUntil;\n            }\n          }); // Technically we are retrying a playlist, in that we are simply retrying a previous\n          // playlist. This is needed for users relying on the retryplaylist event to catch a\n          // case where the player might be stuck and looping through \"dead\" playlists.\n\n          this.tech_.trigger('retryplaylist');\n        } // Blacklist this playlist\n\n\n        currentPlaylist.excludeUntil = Date.now() + blacklistDuration * 1000;\n        this.tech_.trigger('blacklistplaylist');\n        this.tech_.trigger({\n          type: 'usage',\n          name: 'hls-rendition-blacklisted'\n        }); // Select a new playlist\n\n        nextPlaylist = this.selectPlaylist();\n        videojs$1.log.warn('Problem encountered with the current HLS playlist.' + (error.message ? ' ' + error.message : '') + ' Switching to another playlist.');\n        return this.masterPlaylistLoader_.media(nextPlaylist, isFinalRendition);\n      }\n      /**\n       * Pause all segment loaders\n       */\n\n    }, {\n      key: 'pauseLoading',\n      value: function pauseLoading() {\n        this.mainSegmentLoader_.pause();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.pause();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.pause();\n        }\n      }\n      /**\n       * set the current time on all segment loaders\n       *\n       * @param {TimeRange} currentTime the current time to set\n       * @return {TimeRange} the current time\n       */\n\n    }, {\n      key: 'setCurrentTime',\n      value: function setCurrentTime(currentTime) {\n        var buffered = findRange(this.tech_.buffered(), currentTime);\n\n        if (!(this.masterPlaylistLoader_ && this.masterPlaylistLoader_.media())) {\n          // return immediately if the metadata is not ready yet\n          return 0;\n        } // it's clearly an edge-case but don't thrown an error if asked to\n        // seek within an empty playlist\n\n\n        if (!this.masterPlaylistLoader_.media().segments) {\n          return 0;\n        } // In flash playback, the segment loaders should be reset on every seek, even\n        // in buffer seeks. If the seek location is already buffered, continue buffering as\n        // usual\n        // TODO: redo this comment\n\n\n        if (buffered && buffered.length) {\n          return currentTime;\n        } // cancel outstanding requests so we begin buffering at the new\n        // location\n\n\n        this.mainSegmentLoader_.resetEverything();\n        this.mainSegmentLoader_.abort();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.resetEverything();\n          this.audioSegmentLoader_.abort();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.resetEverything();\n          this.subtitleSegmentLoader_.abort();\n        } // start segment loader loading in case they are paused\n\n\n        this.load();\n      }\n      /**\n       * get the current duration\n       *\n       * @return {TimeRange} the duration\n       */\n\n    }, {\n      key: 'duration',\n      value: function duration$$1() {\n        if (!this.masterPlaylistLoader_) {\n          return 0;\n        }\n\n        if (this.mediaSource) {\n          return this.mediaSource.duration;\n        }\n\n        return Hls.Playlist.duration(this.masterPlaylistLoader_.media());\n      }\n      /**\n       * check the seekable range\n       *\n       * @return {TimeRange} the seekable range\n       */\n\n    }, {\n      key: 'seekable',\n      value: function seekable$$1() {\n        return this.seekable_;\n      }\n    }, {\n      key: 'onSyncInfoUpdate_',\n      value: function onSyncInfoUpdate_() {\n        var audioSeekable = void 0;\n\n        if (!this.masterPlaylistLoader_) {\n          return;\n        }\n\n        var media = this.masterPlaylistLoader_.media();\n\n        if (!media) {\n          return;\n        }\n\n        var expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);\n\n        if (expired === null) {\n          // not enough information to update seekable\n          return;\n        }\n\n        var suggestedPresentationDelay = this.masterPlaylistLoader_.master.suggestedPresentationDelay;\n        var mainSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);\n\n        if (mainSeekable.length === 0) {\n          return;\n        }\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          media = this.mediaTypes_.AUDIO.activePlaylistLoader.media();\n          expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);\n\n          if (expired === null) {\n            return;\n          }\n\n          audioSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);\n\n          if (audioSeekable.length === 0) {\n            return;\n          }\n        }\n\n        var oldEnd = void 0;\n        var oldStart = void 0;\n\n        if (this.seekable_ && this.seekable_.length) {\n          oldEnd = this.seekable_.end(0);\n          oldStart = this.seekable_.start(0);\n        }\n\n        if (!audioSeekable) {\n          // seekable has been calculated based on buffering video data so it\n          // can be returned directly\n          this.seekable_ = mainSeekable;\n        } else if (audioSeekable.start(0) > mainSeekable.end(0) || mainSeekable.start(0) > audioSeekable.end(0)) {\n          // seekables are pretty far off, rely on main\n          this.seekable_ = mainSeekable;\n        } else {\n          this.seekable_ = videojs$1.createTimeRanges([[audioSeekable.start(0) > mainSeekable.start(0) ? audioSeekable.start(0) : mainSeekable.start(0), audioSeekable.end(0) < mainSeekable.end(0) ? audioSeekable.end(0) : mainSeekable.end(0)]]);\n        } // seekable is the same as last time\n\n\n        if (this.seekable_ && this.seekable_.length) {\n          if (this.seekable_.end(0) === oldEnd && this.seekable_.start(0) === oldStart) {\n            return;\n          }\n        }\n\n        this.logger_('seekable updated [' + printableRange(this.seekable_) + ']');\n        this.tech_.trigger('seekablechanged');\n      }\n      /**\n       * Update the player duration\n       */\n\n    }, {\n      key: 'updateDuration',\n      value: function updateDuration() {\n        var _this6 = this;\n\n        var oldDuration = this.mediaSource.duration;\n        var newDuration = Hls.Playlist.duration(this.masterPlaylistLoader_.media());\n        var buffered = this.tech_.buffered();\n\n        var setDuration = function setDuration() {\n          // on firefox setting the duration may sometimes cause an exception\n          // even if the media source is open and source buffers are not\n          // updating, something about the media source being in an invalid state.\n          _this6.logger_('Setting duration from ' + _this6.mediaSource.duration + ' => ' + newDuration);\n\n          try {\n            _this6.mediaSource.duration = newDuration;\n          } catch (e) {\n            videojs$1.log.warn('Failed to set media source duration', e);\n          }\n\n          _this6.tech_.trigger('durationchange');\n\n          _this6.mediaSource.removeEventListener('sourceopen', setDuration);\n        };\n\n        if (buffered.length > 0) {\n          newDuration = Math.max(newDuration, buffered.end(buffered.length - 1));\n        } // if the duration has changed, invalidate the cached value\n\n\n        if (oldDuration !== newDuration) {\n          // update the duration\n          if (this.mediaSource.readyState !== 'open') {\n            this.mediaSource.addEventListener('sourceopen', setDuration);\n          } else {\n            setDuration();\n          }\n        }\n      }\n      /**\n       * dispose of the MasterPlaylistController and everything\n       * that it controls\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        var _this7 = this;\n\n        this.trigger('dispose');\n        this.decrypter_.terminate();\n        this.masterPlaylistLoader_.dispose();\n        this.mainSegmentLoader_.dispose();\n        ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n          var groups = _this7.mediaTypes_[type].groups;\n\n          for (var id in groups) {\n            groups[id].forEach(function (group) {\n              if (group.playlistLoader) {\n                group.playlistLoader.dispose();\n              }\n            });\n          }\n        });\n        this.audioSegmentLoader_.dispose();\n        this.subtitleSegmentLoader_.dispose();\n        this.off();\n\n        if (this.mediaSource.dispose) {\n          this.mediaSource.dispose();\n        }\n      }\n      /**\n       * return the master playlist object if we have one\n       *\n       * @return {Object} the master playlist object that we parsed\n       */\n\n    }, {\n      key: 'master',\n      value: function master() {\n        return this.masterPlaylistLoader_.master;\n      }\n      /**\n       * return the currently selected playlist\n       *\n       * @return {Object} the currently selected playlist object that we parsed\n       */\n\n    }, {\n      key: 'media',\n      value: function media() {\n        // playlist loader will not return media if it has not been fully loaded\n        return this.masterPlaylistLoader_.media() || this.initialMedia_;\n      }\n      /**\n       * setup our internal source buffers on our segment Loaders\n       *\n       * @private\n       */\n\n    }, {\n      key: 'setupSourceBuffers_',\n      value: function setupSourceBuffers_() {\n        var media = this.masterPlaylistLoader_.media();\n        var mimeTypes = void 0; // wait until a media playlist is available and the Media Source is\n        // attached\n\n        if (!media || this.mediaSource.readyState !== 'open') {\n          return;\n        }\n\n        mimeTypes = mimeTypesForPlaylist(this.masterPlaylistLoader_.master, media);\n\n        if (mimeTypes.length < 1) {\n          this.error = 'No compatible SourceBuffer configuration for the variant stream:' + media.resolvedUri;\n          return this.mediaSource.endOfStream('decode');\n        }\n\n        this.configureLoaderMimeTypes_(mimeTypes); // exclude any incompatible variant streams from future playlist\n        // selection\n\n        this.excludeIncompatibleVariants_(media);\n      }\n    }, {\n      key: 'configureLoaderMimeTypes_',\n      value: function configureLoaderMimeTypes_(mimeTypes) {\n        // If the content is demuxed, we can't start appending segments to a source buffer\n        // until both source buffers are set up, or else the browser may not let us add the\n        // second source buffer (it will assume we are playing either audio only or video\n        // only).\n        var sourceBufferEmitter = // If there is more than one mime type\n        mimeTypes.length > 1 && // and the first mime type does not have muxed video and audio\n        mimeTypes[0].indexOf(',') === -1 && // and the two mime types are different (they can be the same in the case of audio\n        // only with alternate audio)\n        mimeTypes[0] !== mimeTypes[1] ? // then we want to wait on the second source buffer\n        new videojs$1.EventTarget() : // otherwise there is no need to wait as the content is either audio only,\n        // video only, or muxed content.\n        null;\n        this.mainSegmentLoader_.mimeType(mimeTypes[0], sourceBufferEmitter);\n\n        if (mimeTypes[1]) {\n          this.audioSegmentLoader_.mimeType(mimeTypes[1], sourceBufferEmitter);\n        }\n      }\n      /**\n       * Blacklists playlists with codecs that are unsupported by the browser.\n       */\n\n    }, {\n      key: 'excludeUnsupportedVariants_',\n      value: function excludeUnsupportedVariants_() {\n        this.master().playlists.forEach(function (variant) {\n          if (variant.attributes.CODECS && window$3.MediaSource && window$3.MediaSource.isTypeSupported && !window$3.MediaSource.isTypeSupported('video/mp4; codecs=\"' + mapLegacyAvcCodecs(variant.attributes.CODECS) + '\"')) {\n            variant.excludeUntil = Infinity;\n          }\n        });\n      }\n      /**\n       * Blacklist playlists that are known to be codec or\n       * stream-incompatible with the SourceBuffer configuration. For\n       * instance, Media Source Extensions would cause the video element to\n       * stall waiting for video data if you switched from a variant with\n       * video and audio to an audio-only one.\n       *\n       * @param {Object} media a media playlist compatible with the current\n       * set of SourceBuffers. Variants in the current master playlist that\n       * do not appear to have compatible codec or stream configurations\n       * will be excluded from the default playlist selection algorithm\n       * indefinitely.\n       * @private\n       */\n\n    }, {\n      key: 'excludeIncompatibleVariants_',\n      value: function excludeIncompatibleVariants_(media) {\n        var codecCount = 2;\n        var videoCodec = null;\n        var codecs = void 0;\n\n        if (media.attributes.CODECS) {\n          codecs = parseCodecs(media.attributes.CODECS);\n          videoCodec = codecs.videoCodec;\n          codecCount = codecs.codecCount;\n        }\n\n        this.master().playlists.forEach(function (variant) {\n          var variantCodecs = {\n            codecCount: 2,\n            videoCodec: null\n          };\n\n          if (variant.attributes.CODECS) {\n            variantCodecs = parseCodecs(variant.attributes.CODECS);\n          } // if the streams differ in the presence or absence of audio or\n          // video, they are incompatible\n\n\n          if (variantCodecs.codecCount !== codecCount) {\n            variant.excludeUntil = Infinity;\n          } // if h.264 is specified on the current playlist, some flavor of\n          // it must be specified on all compatible variants\n\n\n          if (variantCodecs.videoCodec !== videoCodec) {\n            variant.excludeUntil = Infinity;\n          }\n        });\n      }\n    }, {\n      key: 'updateAdCues_',\n      value: function updateAdCues_(media) {\n        var offset = 0;\n        var seekable$$1 = this.seekable();\n\n        if (seekable$$1.length) {\n          offset = seekable$$1.start(0);\n        }\n\n        updateAdCues(media, this.cueTagsTrack_, offset);\n      }\n      /**\n       * Calculates the desired forward buffer length based on current time\n       *\n       * @return {Number} Desired forward buffer length in seconds\n       */\n\n    }, {\n      key: 'goalBufferLength',\n      value: function goalBufferLength() {\n        var currentTime = this.tech_.currentTime();\n        var initial = Config.GOAL_BUFFER_LENGTH;\n        var rate = Config.GOAL_BUFFER_LENGTH_RATE;\n        var max = Math.max(initial, Config.MAX_GOAL_BUFFER_LENGTH);\n        return Math.min(initial + currentTime * rate, max);\n      }\n      /**\n       * Calculates the desired buffer low water line based on current time\n       *\n       * @return {Number} Desired buffer low water line in seconds\n       */\n\n    }, {\n      key: 'bufferLowWaterLine',\n      value: function bufferLowWaterLine() {\n        var currentTime = this.tech_.currentTime();\n        var initial = Config.BUFFER_LOW_WATER_LINE;\n        var rate = Config.BUFFER_LOW_WATER_LINE_RATE;\n        var max = Math.max(initial, Config.MAX_BUFFER_LOW_WATER_LINE);\n        return Math.min(initial + currentTime * rate, max);\n      }\n    }]);\n    return MasterPlaylistController;\n  }(videojs$1.EventTarget);\n  /**\n   * Returns a function that acts as the Enable/disable playlist function.\n   *\n   * @param {PlaylistLoader} loader - The master playlist loader\n\n   * @param {string} playlistID - id of the playlist\n   * @param {Function} changePlaylistFn - A function to be called after a\n   * playlist's enabled-state has been changed. Will NOT be called if a\n   * playlist's enabled-state is unchanged\n   * @param {Boolean=} enable - Value to set the playlist enabled-state to\n   * or if undefined returns the current enabled-state for the playlist\n   * @return {Function} Function for setting/getting enabled\n   */\n\n\n  var enableFunction = function enableFunction(loader, playlistID, changePlaylistFn) {\n    return function (enable) {\n      var playlist = loader.master.playlists[playlistID];\n      var incompatible = isIncompatible(playlist);\n      var currentlyEnabled = isEnabled(playlist);\n\n      if (typeof enable === 'undefined') {\n        return currentlyEnabled;\n      }\n\n      if (enable) {\n        delete playlist.disabled;\n      } else {\n        playlist.disabled = true;\n      }\n\n      if (enable !== currentlyEnabled && !incompatible) {\n        // Ensure the outside world knows about our changes\n        changePlaylistFn();\n\n        if (enable) {\n          loader.trigger('renditionenabled');\n        } else {\n          loader.trigger('renditiondisabled');\n        }\n      }\n\n      return enable;\n    };\n  };\n  /**\n   * The representation object encapsulates the publicly visible information\n   * in a media playlist along with a setter/getter-type function (enabled)\n   * for changing the enabled-state of a particular playlist entry\n   *\n   * @class Representation\n   */\n\n\n  var Representation = function Representation(hlsHandler, playlist, id) {\n    classCallCheck$1(this, Representation);\n    var mpc = hlsHandler.masterPlaylistController_,\n        smoothQualityChange = hlsHandler.options_.smoothQualityChange; // Get a reference to a bound version of the quality change function\n\n    var changeType = smoothQualityChange ? 'smooth' : 'fast';\n    var qualityChangeFunction = mpc[changeType + 'QualityChange_'].bind(mpc); // some playlist attributes are optional\n\n    if (playlist.attributes.RESOLUTION) {\n      var resolution = playlist.attributes.RESOLUTION;\n      this.width = resolution.width;\n      this.height = resolution.height;\n    }\n\n    this.bandwidth = playlist.attributes.BANDWIDTH; // The id is simply the ordinality of the media playlist\n    // within the master playlist\n\n    this.id = id; // Partially-apply the enableFunction to create a playlist-\n    // specific variant\n\n    this.enabled = enableFunction(hlsHandler.playlists, playlist.id, qualityChangeFunction);\n  };\n  /**\n   * A mixin function that adds the `representations` api to an instance\n   * of the HlsHandler class\n   * @param {HlsHandler} hlsHandler - An instance of HlsHandler to add the\n   * representation API into\n   */\n\n\n  var renditionSelectionMixin = function renditionSelectionMixin(hlsHandler) {\n    var playlists = hlsHandler.playlists; // Add a single API-specific function to the HlsHandler instance\n\n    hlsHandler.representations = function () {\n      if (!playlists || !playlists.master || !playlists.master.playlists) {\n        return [];\n      }\n\n      return playlists.master.playlists.filter(function (media) {\n        return !isIncompatible(media);\n      }).map(function (e, i) {\n        return new Representation(hlsHandler, e, e.id);\n      });\n    };\n  };\n  /**\n   * @file playback-watcher.js\n   *\n   * Playback starts, and now my watch begins. It shall not end until my death. I shall\n   * take no wait, hold no uncleared timeouts, father no bad seeks. I shall wear no crowns\n   * and win no glory. I shall live and die at my post. I am the corrector of the underflow.\n   * I am the watcher of gaps. I am the shield that guards the realms of seekable. I pledge\n   * my life and honor to the Playback Watch, for this Player and all the Players to come.\n   */\n  // Set of events that reset the playback-watcher time check logic and clear the timeout\n\n\n  var timerCancelEvents = ['seeking', 'seeked', 'pause', 'playing', 'error'];\n  /**\n   * @class PlaybackWatcher\n   */\n\n  var PlaybackWatcher = function () {\n    /**\n     * Represents an PlaybackWatcher object.\n     * @constructor\n     * @param {object} options an object that includes the tech and settings\n     */\n    function PlaybackWatcher(options) {\n      var _this = this;\n\n      classCallCheck$1(this, PlaybackWatcher);\n      this.tech_ = options.tech;\n      this.seekable = options.seekable;\n      this.seekTo = options.seekTo;\n      this.allowSeeksWithinUnsafeLiveWindow = options.allowSeeksWithinUnsafeLiveWindow;\n      this.media = options.media;\n      this.consecutiveUpdates = 0;\n      this.lastRecordedTime = null;\n      this.timer_ = null;\n      this.checkCurrentTimeTimeout_ = null;\n      this.logger_ = logger('PlaybackWatcher');\n      this.logger_('initialize');\n\n      var canPlayHandler = function canPlayHandler() {\n        return _this.monitorCurrentTime_();\n      };\n\n      var waitingHandler = function waitingHandler() {\n        return _this.techWaiting_();\n      };\n\n      var cancelTimerHandler = function cancelTimerHandler() {\n        return _this.cancelTimer_();\n      };\n\n      var fixesBadSeeksHandler = function fixesBadSeeksHandler() {\n        return _this.fixesBadSeeks_();\n      };\n\n      this.tech_.on('seekablechanged', fixesBadSeeksHandler);\n      this.tech_.on('waiting', waitingHandler);\n      this.tech_.on(timerCancelEvents, cancelTimerHandler);\n      this.tech_.on('canplay', canPlayHandler); // Define the dispose function to clean up our events\n\n      this.dispose = function () {\n        _this.logger_('dispose');\n\n        _this.tech_.off('seekablechanged', fixesBadSeeksHandler);\n\n        _this.tech_.off('waiting', waitingHandler);\n\n        _this.tech_.off(timerCancelEvents, cancelTimerHandler);\n\n        _this.tech_.off('canplay', canPlayHandler);\n\n        if (_this.checkCurrentTimeTimeout_) {\n          window$3.clearTimeout(_this.checkCurrentTimeTimeout_);\n        }\n\n        _this.cancelTimer_();\n      };\n    }\n    /**\n     * Periodically check current time to see if playback stopped\n     *\n     * @private\n     */\n\n\n    createClass$1(PlaybackWatcher, [{\n      key: 'monitorCurrentTime_',\n      value: function monitorCurrentTime_() {\n        this.checkCurrentTime_();\n\n        if (this.checkCurrentTimeTimeout_) {\n          window$3.clearTimeout(this.checkCurrentTimeTimeout_);\n        } // 42 = 24 fps // 250 is what Webkit uses // FF uses 15\n\n\n        this.checkCurrentTimeTimeout_ = window$3.setTimeout(this.monitorCurrentTime_.bind(this), 250);\n      }\n      /**\n       * The purpose of this function is to emulate the \"waiting\" event on\n       * browsers that do not emit it when they are waiting for more\n       * data to continue playback\n       *\n       * @private\n       */\n\n    }, {\n      key: 'checkCurrentTime_',\n      value: function checkCurrentTime_() {\n        if (this.tech_.seeking() && this.fixesBadSeeks_()) {\n          this.consecutiveUpdates = 0;\n          this.lastRecordedTime = this.tech_.currentTime();\n          return;\n        }\n\n        if (this.tech_.paused() || this.tech_.seeking()) {\n          return;\n        }\n\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n\n        if (this.lastRecordedTime === currentTime && (!buffered.length || currentTime + SAFE_TIME_DELTA >= buffered.end(buffered.length - 1))) {\n          // If current time is at the end of the final buffered region, then any playback\n          // stall is most likely caused by buffering in a low bandwidth environment. The tech\n          // should fire a `waiting` event in this scenario, but due to browser and tech\n          // inconsistencies. Calling `techWaiting_` here allows us to simulate\n          // responding to a native `waiting` event when the tech fails to emit one.\n          return this.techWaiting_();\n        }\n\n        if (this.consecutiveUpdates >= 5 && currentTime === this.lastRecordedTime) {\n          this.consecutiveUpdates++;\n          this.waiting_();\n        } else if (currentTime === this.lastRecordedTime) {\n          this.consecutiveUpdates++;\n        } else {\n          this.consecutiveUpdates = 0;\n          this.lastRecordedTime = currentTime;\n        }\n      }\n      /**\n       * Cancels any pending timers and resets the 'timeupdate' mechanism\n       * designed to detect that we are stalled\n       *\n       * @private\n       */\n\n    }, {\n      key: 'cancelTimer_',\n      value: function cancelTimer_() {\n        this.consecutiveUpdates = 0;\n\n        if (this.timer_) {\n          this.logger_('cancelTimer_');\n          clearTimeout(this.timer_);\n        }\n\n        this.timer_ = null;\n      }\n      /**\n       * Fixes situations where there's a bad seek\n       *\n       * @return {Boolean} whether an action was taken to fix the seek\n       * @private\n       */\n\n    }, {\n      key: 'fixesBadSeeks_',\n      value: function fixesBadSeeks_() {\n        var seeking = this.tech_.seeking();\n\n        if (!seeking) {\n          return false;\n        }\n\n        var seekable = this.seekable();\n        var currentTime = this.tech_.currentTime();\n        var isAfterSeekableRange = this.afterSeekableWindow_(seekable, currentTime, this.media(), this.allowSeeksWithinUnsafeLiveWindow);\n        var seekTo = void 0;\n\n        if (isAfterSeekableRange) {\n          var seekableEnd = seekable.end(seekable.length - 1); // sync to live point (if VOD, our seekable was updated and we're simply adjusting)\n\n          seekTo = seekableEnd;\n        }\n\n        if (this.beforeSeekableWindow_(seekable, currentTime)) {\n          var seekableStart = seekable.start(0); // sync to the beginning of the live window\n          // provide a buffer of .1 seconds to handle rounding/imprecise numbers\n\n          seekTo = seekableStart + SAFE_TIME_DELTA;\n        }\n\n        if (typeof seekTo !== 'undefined') {\n          this.logger_('Trying to seek outside of seekable at time ' + currentTime + ' with ' + ('seekable range ' + printableRange(seekable) + '. Seeking to ') + (seekTo + '.'));\n          this.seekTo(seekTo);\n          return true;\n        }\n\n        return false;\n      }\n      /**\n       * Handler for situations when we determine the player is waiting.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'waiting_',\n      value: function waiting_() {\n        if (this.techWaiting_()) {\n          return;\n        } // All tech waiting checks failed. Use last resort correction\n\n\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n        var currentRange = findRange(buffered, currentTime); // Sometimes the player can stall for unknown reasons within a contiguous buffered\n        // region with no indication that anything is amiss (seen in Firefox). Seeking to\n        // currentTime is usually enough to kickstart the player. This checks that the player\n        // is currently within a buffered region before attempting a corrective seek.\n        // Chrome does not appear to continue `timeupdate` events after a `waiting` event\n        // until there is ~ 3 seconds of forward buffer available. PlaybackWatcher should also\n        // make sure there is ~3 seconds of forward buffer before taking any corrective action\n        // to avoid triggering an `unknownwaiting` event when the network is slow.\n\n        if (currentRange.length && currentTime + 3 <= currentRange.end(0)) {\n          this.cancelTimer_();\n          this.seekTo(currentTime);\n          this.logger_('Stopped at ' + currentTime + ' while inside a buffered region ' + ('[' + currentRange.start(0) + ' -> ' + currentRange.end(0) + ']. Attempting to resume ') + 'playback by seeking to the current time.'); // unknown waiting corrections may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-unknown-waiting'\n          });\n          return;\n        }\n      }\n      /**\n       * Handler for situations when the tech fires a `waiting` event\n       *\n       * @return {Boolean}\n       *         True if an action (or none) was needed to correct the waiting. False if no\n       *         checks passed\n       * @private\n       */\n\n    }, {\n      key: 'techWaiting_',\n      value: function techWaiting_() {\n        var seekable = this.seekable();\n        var currentTime = this.tech_.currentTime();\n\n        if (this.tech_.seeking() && this.fixesBadSeeks_()) {\n          // Tech is seeking or bad seek fixed, no action needed\n          return true;\n        }\n\n        if (this.tech_.seeking() || this.timer_ !== null) {\n          // Tech is seeking or already waiting on another action, no action needed\n          return true;\n        }\n\n        if (this.beforeSeekableWindow_(seekable, currentTime)) {\n          var livePoint = seekable.end(seekable.length - 1);\n          this.logger_('Fell out of live window at time ' + currentTime + '. Seeking to ' + ('live point (seekable end) ' + livePoint));\n          this.cancelTimer_();\n          this.seekTo(livePoint); // live window resyncs may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-live-resync'\n          });\n          return true;\n        }\n\n        var buffered = this.tech_.buffered();\n        var nextRange = findNextRange(buffered, currentTime);\n\n        if (this.videoUnderflow_(nextRange, buffered, currentTime)) {\n          // Even though the video underflowed and was stuck in a gap, the audio overplayed\n          // the gap, leading currentTime into a buffered range. Seeking to currentTime\n          // allows the video to catch up to the audio position without losing any audio\n          // (only suffering ~3 seconds of frozen video and a pause in audio playback).\n          this.cancelTimer_();\n          this.seekTo(currentTime); // video underflow may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-video-underflow'\n          });\n          return true;\n        } // check for gap\n\n\n        if (nextRange.length > 0) {\n          var difference = nextRange.start(0) - currentTime;\n          this.logger_('Stopped at ' + currentTime + ', setting timer for ' + difference + ', seeking ' + ('to ' + nextRange.start(0)));\n          this.timer_ = setTimeout(this.skipTheGap_.bind(this), difference * 1000, currentTime);\n          return true;\n        } // All checks failed. Returning false to indicate failure to correct waiting\n\n\n        return false;\n      }\n    }, {\n      key: 'afterSeekableWindow_',\n      value: function afterSeekableWindow_(seekable, currentTime, playlist) {\n        var allowSeeksWithinUnsafeLiveWindow = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;\n\n        if (!seekable.length) {\n          // we can't make a solid case if there's no seekable, default to false\n          return false;\n        }\n\n        var allowedEnd = seekable.end(seekable.length - 1) + SAFE_TIME_DELTA;\n        var isLive = !playlist.endList;\n\n        if (isLive && allowSeeksWithinUnsafeLiveWindow) {\n          allowedEnd = seekable.end(seekable.length - 1) + playlist.targetDuration * 3;\n        }\n\n        if (currentTime > allowedEnd) {\n          return true;\n        }\n\n        return false;\n      }\n    }, {\n      key: 'beforeSeekableWindow_',\n      value: function beforeSeekableWindow_(seekable, currentTime) {\n        if (seekable.length && // can't fall before 0 and 0 seekable start identifies VOD stream\n        seekable.start(0) > 0 && currentTime < seekable.start(0) - SAFE_TIME_DELTA) {\n          return true;\n        }\n\n        return false;\n      }\n    }, {\n      key: 'videoUnderflow_',\n      value: function videoUnderflow_(nextRange, buffered, currentTime) {\n        if (nextRange.length === 0) {\n          // Even if there is no available next range, there is still a possibility we are\n          // stuck in a gap due to video underflow.\n          var gap = this.gapFromVideoUnderflow_(buffered, currentTime);\n\n          if (gap) {\n            this.logger_('Encountered a gap in video from ' + gap.start + ' to ' + gap.end + '. ' + ('Seeking to current time ' + currentTime));\n            return true;\n          }\n        }\n\n        return false;\n      }\n      /**\n       * Timer callback. If playback still has not proceeded, then we seek\n       * to the start of the next buffered region.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'skipTheGap_',\n      value: function skipTheGap_(scheduledCurrentTime) {\n        var buffered = this.tech_.buffered();\n        var currentTime = this.tech_.currentTime();\n        var nextRange = findNextRange(buffered, currentTime);\n        this.cancelTimer_();\n\n        if (nextRange.length === 0 || currentTime !== scheduledCurrentTime) {\n          return;\n        }\n\n        this.logger_('skipTheGap_:', 'currentTime:', currentTime, 'scheduled currentTime:', scheduledCurrentTime, 'nextRange start:', nextRange.start(0)); // only seek if we still have not played\n\n        this.seekTo(nextRange.start(0) + TIME_FUDGE_FACTOR);\n        this.tech_.trigger({\n          type: 'usage',\n          name: 'hls-gap-skip'\n        });\n      }\n    }, {\n      key: 'gapFromVideoUnderflow_',\n      value: function gapFromVideoUnderflow_(buffered, currentTime) {\n        // At least in Chrome, if there is a gap in the video buffer, the audio will continue\n        // playing for ~3 seconds after the video gap starts. This is done to account for\n        // video buffer underflow/underrun (note that this is not done when there is audio\n        // buffer underflow/underrun -- in that case the video will stop as soon as it\n        // encounters the gap, as audio stalls are more noticeable/jarring to a user than\n        // video stalls). The player's time will reflect the playthrough of audio, so the\n        // time will appear as if we are in a buffered region, even if we are stuck in a\n        // \"gap.\"\n        //\n        // Example:\n        // video buffer:   0 => 10.1, 10.2 => 20\n        // audio buffer:   0 => 20\n        // overall buffer: 0 => 10.1, 10.2 => 20\n        // current time: 13\n        //\n        // Chrome's video froze at 10 seconds, where the video buffer encountered the gap,\n        // however, the audio continued playing until it reached ~3 seconds past the gap\n        // (13 seconds), at which point it stops as well. Since current time is past the\n        // gap, findNextRange will return no ranges.\n        //\n        // To check for this issue, we see if there is a gap that starts somewhere within\n        // a 3 second range (3 seconds +/- 1 second) back from our current time.\n        var gaps = findGaps(buffered);\n\n        for (var i = 0; i < gaps.length; i++) {\n          var start = gaps.start(i);\n          var end = gaps.end(i); // gap is starts no more than 4 seconds back\n\n          if (currentTime - start < 4 && currentTime - start > 2) {\n            return {\n              start: start,\n              end: end\n            };\n          }\n        }\n\n        return null;\n      }\n    }]);\n    return PlaybackWatcher;\n  }();\n\n  var defaultOptions = {\n    errorInterval: 30,\n    getSource: function getSource(next) {\n      var tech = this.tech({\n        IWillNotUseThisInPlugins: true\n      });\n      var sourceObj = tech.currentSource_;\n      return next(sourceObj);\n    }\n  };\n  /**\n   * Main entry point for the plugin\n   *\n   * @param {Player} player a reference to a videojs Player instance\n   * @param {Object} [options] an object with plugin options\n   * @private\n   */\n\n  var initPlugin = function initPlugin(player, options) {\n    var lastCalled = 0;\n    var seekTo = 0;\n    var localOptions = videojs$1.mergeOptions(defaultOptions, options);\n    player.ready(function () {\n      player.trigger({\n        type: 'usage',\n        name: 'hls-error-reload-initialized'\n      });\n    });\n    /**\n     * Player modifications to perform that must wait until `loadedmetadata`\n     * has been triggered\n     *\n     * @private\n     */\n\n    var loadedMetadataHandler = function loadedMetadataHandler() {\n      if (seekTo) {\n        player.currentTime(seekTo);\n      }\n    };\n    /**\n     * Set the source on the player element, play, and seek if necessary\n     *\n     * @param {Object} sourceObj An object specifying the source url and mime-type to play\n     * @private\n     */\n\n\n    var setSource = function setSource(sourceObj) {\n      if (sourceObj === null || sourceObj === undefined) {\n        return;\n      }\n\n      seekTo = player.duration() !== Infinity && player.currentTime() || 0;\n      player.one('loadedmetadata', loadedMetadataHandler);\n      player.src(sourceObj);\n      player.trigger({\n        type: 'usage',\n        name: 'hls-error-reload'\n      });\n      player.play();\n    };\n    /**\n     * Attempt to get a source from either the built-in getSource function\n     * or a custom function provided via the options\n     *\n     * @private\n     */\n\n\n    var errorHandler = function errorHandler() {\n      // Do not attempt to reload the source if a source-reload occurred before\n      // 'errorInterval' time has elapsed since the last source-reload\n      if (Date.now() - lastCalled < localOptions.errorInterval * 1000) {\n        player.trigger({\n          type: 'usage',\n          name: 'hls-error-reload-canceled'\n        });\n        return;\n      }\n\n      if (!localOptions.getSource || typeof localOptions.getSource !== 'function') {\n        videojs$1.log.error('ERROR: reloadSourceOnError - The option getSource must be a function!');\n        return;\n      }\n\n      lastCalled = Date.now();\n      return localOptions.getSource.call(player, setSource);\n    };\n    /**\n     * Unbind any event handlers that were bound by the plugin\n     *\n     * @private\n     */\n\n\n    var cleanupEvents = function cleanupEvents() {\n      player.off('loadedmetadata', loadedMetadataHandler);\n      player.off('error', errorHandler);\n      player.off('dispose', cleanupEvents);\n    };\n    /**\n     * Cleanup before re-initializing the plugin\n     *\n     * @param {Object} [newOptions] an object with plugin options\n     * @private\n     */\n\n\n    var reinitPlugin = function reinitPlugin(newOptions) {\n      cleanupEvents();\n      initPlugin(player, newOptions);\n    };\n\n    player.on('error', errorHandler);\n    player.on('dispose', cleanupEvents); // Overwrite the plugin function so that we can correctly cleanup before\n    // initializing the plugin\n\n    player.reloadSourceOnError = reinitPlugin;\n  };\n  /**\n   * Reload the source when an error is detected as long as there\n   * wasn't an error previously within the last 30 seconds\n   *\n   * @param {Object} [options] an object with plugin options\n   */\n\n\n  var reloadSourceOnError = function reloadSourceOnError(options) {\n    initPlugin(this, options);\n  };\n\n  var version$1 = \"1.12.3\"; // since VHS handles HLS and DASH (and in the future, more types), use * to capture all\n\n  videojs$1.use('*', function (player) {\n    return {\n      setSource: function setSource(srcObj, next) {\n        // pass null as the first argument to indicate that the source is not rejected\n        next(null, srcObj);\n      },\n      // VHS needs to know when seeks happen. For external seeks (generated at the player\n      // level), this middleware will capture the action. For internal seeks (generated at\n      // the tech level), we use a wrapped function so that we can handle it on our own\n      // (specified elsewhere).\n      setCurrentTime: function setCurrentTime(time) {\n        if (player.vhs && player.currentSource().src === player.vhs.source_.src) {\n          player.vhs.setCurrentTime(time);\n        }\n\n        return time;\n      },\n      // Sync VHS after play requests.\n      // This specifically handles replay where the order of actions is\n      // play, video element will seek to 0 (skipping the setCurrentTime middleware)\n      // then triggers a play event.\n      play: function play() {\n        if (player.vhs && player.currentSource().src === player.vhs.source_.src) {\n          player.vhs.setCurrentTime(player.tech_.currentTime());\n        }\n      }\n    };\n  });\n  /**\n   * @file videojs-http-streaming.js\n   *\n   * The main file for the HLS project.\n   * License: https://github.com/videojs/videojs-http-streaming/blob/master/LICENSE\n   */\n\n  var Hls$1 = {\n    PlaylistLoader: PlaylistLoader,\n    Playlist: Playlist,\n    Decrypter: Decrypter,\n    AsyncStream: AsyncStream,\n    decrypt: decrypt,\n    utils: utils$1,\n    STANDARD_PLAYLIST_SELECTOR: lastBandwidthSelector,\n    INITIAL_PLAYLIST_SELECTOR: lowestBitrateCompatibleVariantSelector,\n    comparePlaylistBandwidth: comparePlaylistBandwidth,\n    comparePlaylistResolution: comparePlaylistResolution,\n    xhr: xhrFactory()\n  }; // Define getter/setters for config properites\n\n  ['GOAL_BUFFER_LENGTH', 'MAX_GOAL_BUFFER_LENGTH', 'GOAL_BUFFER_LENGTH_RATE', 'BUFFER_LOW_WATER_LINE', 'MAX_BUFFER_LOW_WATER_LINE', 'BUFFER_LOW_WATER_LINE_RATE', 'BANDWIDTH_VARIANCE'].forEach(function (prop) {\n    Object.defineProperty(Hls$1, prop, {\n      get: function get$$1() {\n        videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');\n        return Config[prop];\n      },\n      set: function set$$1(value) {\n        videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');\n\n        if (typeof value !== 'number' || value < 0) {\n          videojs$1.log.warn('value of Hls.' + prop + ' must be greater than or equal to 0');\n          return;\n        }\n\n        Config[prop] = value;\n      }\n    });\n  });\n  var LOCAL_STORAGE_KEY$1 = 'videojs-vhs';\n\n  var simpleTypeFromSourceType = function simpleTypeFromSourceType(type) {\n    var mpegurlRE = /^(audio|video|application)\\/(x-|vnd\\.apple\\.)?mpegurl/i;\n\n    if (mpegurlRE.test(type)) {\n      return 'hls';\n    }\n\n    var dashRE = /^application\\/dash\\+xml/i;\n\n    if (dashRE.test(type)) {\n      return 'dash';\n    }\n\n    return null;\n  };\n  /**\n   * Updates the selectedIndex of the QualityLevelList when a mediachange happens in hls.\n   *\n   * @param {QualityLevelList} qualityLevels The QualityLevelList to update.\n   * @param {PlaylistLoader} playlistLoader PlaylistLoader containing the new media info.\n   * @function handleHlsMediaChange\n   */\n\n\n  var handleHlsMediaChange = function handleHlsMediaChange(qualityLevels, playlistLoader) {\n    var newPlaylist = playlistLoader.media();\n    var selectedIndex = -1;\n\n    for (var i = 0; i < qualityLevels.length; i++) {\n      if (qualityLevels[i].id === newPlaylist.id) {\n        selectedIndex = i;\n        break;\n      }\n    }\n\n    qualityLevels.selectedIndex_ = selectedIndex;\n    qualityLevels.trigger({\n      selectedIndex: selectedIndex,\n      type: 'change'\n    });\n  };\n  /**\n   * Adds quality levels to list once playlist metadata is available\n   *\n   * @param {QualityLevelList} qualityLevels The QualityLevelList to attach events to.\n   * @param {Object} hls Hls object to listen to for media events.\n   * @function handleHlsLoadedMetadata\n   */\n\n\n  var handleHlsLoadedMetadata = function handleHlsLoadedMetadata(qualityLevels, hls) {\n    hls.representations().forEach(function (rep) {\n      qualityLevels.addQualityLevel(rep);\n    });\n    handleHlsMediaChange(qualityLevels, hls.playlists);\n  }; // HLS is a source handler, not a tech. Make sure attempts to use it\n  // as one do not cause exceptions.\n\n\n  Hls$1.canPlaySource = function () {\n    return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\\'s techOrder.');\n  };\n\n  var emeKeySystems = function emeKeySystems(keySystemOptions, mainSegmentLoader, audioSegmentLoader) {\n    if (!keySystemOptions) {\n      return keySystemOptions;\n    }\n\n    var videoMimeType = void 0;\n    var audioMimeType = void 0; // if there is a mimeType associated with the audioSegmentLoader, then the audio\n    // and video mimeType and codec strings are already in the format we need to\n    // pass with the other key systems\n\n    if (audioSegmentLoader.mimeType_) {\n      videoMimeType = mainSegmentLoader.mimeType_;\n      audioMimeType = audioSegmentLoader.mimeType_; // if there is no audioSegmentLoader mimeType, then we have to create the\n      // the audio and video mimeType/codec strings from information extrapolated\n      // from the mainSegmentLoader mimeType (ex. 'video/mp4; codecs=\"mp4, avc1\"' -->\n      // 'video/mp4; codecs=\"avc1\"' and 'audio/mp4; codecs=\"mp4\"')\n    } else {\n      var parsedMimeType = parseContentType(mainSegmentLoader.mimeType_);\n      var codecs = parsedMimeType.parameters.codecs.split(',');\n      var audioCodec = void 0;\n      var videoCodec = void 0;\n      codecs.forEach(function (codec) {\n        codec = codec.trim();\n\n        if (isAudioCodec(codec)) {\n          audioCodec = codec;\n        } else if (isVideoCodec(codec)) {\n          videoCodec = codec;\n        }\n      });\n      videoMimeType = parsedMimeType.type + '; codecs=\"' + videoCodec + '\"';\n      audioMimeType = parsedMimeType.type.replace('video', 'audio') + '; codecs=\"' + audioCodec + '\"';\n    } // upsert the content types based on the selected playlist\n\n\n    var keySystemContentTypes = {};\n    var videoPlaylist = mainSegmentLoader.playlist_;\n\n    for (var keySystem in keySystemOptions) {\n      keySystemContentTypes[keySystem] = {\n        audioContentType: audioMimeType,\n        videoContentType: videoMimeType\n      };\n\n      if (videoPlaylist.contentProtection && videoPlaylist.contentProtection[keySystem] && videoPlaylist.contentProtection[keySystem].pssh) {\n        keySystemContentTypes[keySystem].pssh = videoPlaylist.contentProtection[keySystem].pssh;\n      } // videojs-contrib-eme accepts the option of specifying: 'com.some.cdm': 'url'\n      // so we need to prevent overwriting the URL entirely\n\n\n      if (typeof keySystemOptions[keySystem] === 'string') {\n        keySystemContentTypes[keySystem].url = keySystemOptions[keySystem];\n      }\n    }\n\n    return videojs$1.mergeOptions(keySystemOptions, keySystemContentTypes);\n  };\n\n  var setupEmeOptions = function setupEmeOptions(hlsHandler) {\n    var mainSegmentLoader = hlsHandler.masterPlaylistController_.mainSegmentLoader_;\n    var audioSegmentLoader = hlsHandler.masterPlaylistController_.audioSegmentLoader_;\n    var player = videojs$1.players[hlsHandler.tech_.options_.playerId];\n\n    if (player.eme) {\n      var sourceOptions = emeKeySystems(hlsHandler.source_.keySystems, mainSegmentLoader, audioSegmentLoader);\n\n      if (sourceOptions) {\n        player.currentSource().keySystems = sourceOptions; // Works around https://bugs.chromium.org/p/chromium/issues/detail?id=895449\n        // in non-IE11 browsers. In IE11 this is too early to initialize media keys\n\n        if (!(videojs$1.browser.IE_VERSION === 11) && player.eme.initializeMediaKeys) {\n          player.eme.initializeMediaKeys();\n        }\n      }\n    }\n  };\n\n  var getVhsLocalStorage = function getVhsLocalStorage() {\n    if (!window.localStorage) {\n      return null;\n    }\n\n    var storedObject = window.localStorage.getItem(LOCAL_STORAGE_KEY$1);\n\n    if (!storedObject) {\n      return null;\n    }\n\n    try {\n      return JSON.parse(storedObject);\n    } catch (e) {\n      // someone may have tampered with the value\n      return null;\n    }\n  };\n\n  var updateVhsLocalStorage = function updateVhsLocalStorage(options) {\n    if (!window.localStorage) {\n      return false;\n    }\n\n    var objectToStore = getVhsLocalStorage();\n    objectToStore = objectToStore ? videojs$1.mergeOptions(objectToStore, options) : options;\n\n    try {\n      window.localStorage.setItem(LOCAL_STORAGE_KEY$1, JSON.stringify(objectToStore));\n    } catch (e) {\n      // Throws if storage is full (e.g., always on iOS 5+ Safari private mode, where\n      // storage is set to 0).\n      // https://developer.mozilla.org/en-US/docs/Web/API/Storage/setItem#Exceptions\n      // No need to perform any operation.\n      return false;\n    }\n\n    return objectToStore;\n  };\n  /**\n   * Whether the browser has built-in HLS support.\n   */\n\n\n  Hls$1.supportsNativeHls = function () {\n    var video = document.createElement('video'); // native HLS is definitely not supported if HTML5 video isn't\n\n    if (!videojs$1.getTech('Html5').isSupported()) {\n      return false;\n    } // HLS manifests can go by many mime-types\n\n\n    var canPlay = [// Apple santioned\n    'application/vnd.apple.mpegurl', // Apple sanctioned for backwards compatibility\n    'audio/mpegurl', // Very common\n    'audio/x-mpegurl', // Very common\n    'application/x-mpegurl', // Included for completeness\n    'video/x-mpegurl', 'video/mpegurl', 'application/mpegurl'];\n    return canPlay.some(function (canItPlay) {\n      return /maybe|probably/i.test(video.canPlayType(canItPlay));\n    });\n  }();\n\n  Hls$1.supportsNativeDash = function () {\n    if (!videojs$1.getTech('Html5').isSupported()) {\n      return false;\n    }\n\n    return /maybe|probably/i.test(document.createElement('video').canPlayType('application/dash+xml'));\n  }();\n\n  Hls$1.supportsTypeNatively = function (type) {\n    if (type === 'hls') {\n      return Hls$1.supportsNativeHls;\n    }\n\n    if (type === 'dash') {\n      return Hls$1.supportsNativeDash;\n    }\n\n    return false;\n  };\n  /**\n   * HLS is a source handler, not a tech. Make sure attempts to use it\n   * as one do not cause exceptions.\n   */\n\n\n  Hls$1.isSupported = function () {\n    return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\\'s techOrder.');\n  };\n\n  var Component$1 = videojs$1.getComponent('Component');\n  /**\n   * The Hls Handler object, where we orchestrate all of the parts\n   * of HLS to interact with video.js\n   *\n   * @class HlsHandler\n   * @extends videojs.Component\n   * @param {Object} source the soruce object\n   * @param {Tech} tech the parent tech object\n   * @param {Object} options optional and required options\n   */\n\n  var HlsHandler = function (_Component) {\n    inherits$2(HlsHandler, _Component);\n\n    function HlsHandler(source, tech, options) {\n      classCallCheck$1(this, HlsHandler); // tech.player() is deprecated but setup a reference to HLS for\n      // backwards-compatibility\n\n      var _this = possibleConstructorReturn$1(this, (HlsHandler.__proto__ || Object.getPrototypeOf(HlsHandler)).call(this, tech, options.hls));\n\n      if (tech.options_ && tech.options_.playerId) {\n        var _player = videojs$1(tech.options_.playerId);\n\n        if (!_player.hasOwnProperty('hls')) {\n          Object.defineProperty(_player, 'hls', {\n            get: function get$$1() {\n              videojs$1.log.warn('player.hls is deprecated. Use player.tech().hls instead.');\n              tech.trigger({\n                type: 'usage',\n                name: 'hls-player-access'\n              });\n              return _this;\n            },\n            configurable: true\n          });\n        } // Set up a reference to the HlsHandler from player.vhs. This allows users to start\n        // migrating from player.tech_.hls... to player.vhs... for API access. Although this\n        // isn't the most appropriate form of reference for video.js (since all APIs should\n        // be provided through core video.js), it is a common pattern for plugins, and vhs\n        // will act accordingly.\n\n\n        _player.vhs = _this; // deprecated, for backwards compatibility\n\n        _player.dash = _this;\n        _this.player_ = _player;\n      }\n\n      _this.tech_ = tech;\n      _this.source_ = source;\n      _this.stats = {};\n\n      _this.setOptions_();\n\n      if (_this.options_.overrideNative && tech.overrideNativeAudioTracks && tech.overrideNativeVideoTracks) {\n        tech.overrideNativeAudioTracks(true);\n        tech.overrideNativeVideoTracks(true);\n      } else if (_this.options_.overrideNative && (tech.featuresNativeVideoTracks || tech.featuresNativeAudioTracks)) {\n        // overriding native HLS only works if audio tracks have been emulated\n        // error early if we're misconfigured\n        throw new Error('Overriding native HLS requires emulated tracks. ' + 'See https://git.io/vMpjB');\n      } // listen for fullscreenchange events for this player so that we\n      // can adjust our quality selection quickly\n\n\n      _this.on(document, ['fullscreenchange', 'webkitfullscreenchange', 'mozfullscreenchange', 'MSFullscreenChange'], function (event) {\n        var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement;\n\n        if (fullscreenElement && fullscreenElement.contains(_this.tech_.el())) {\n          _this.masterPlaylistController_.smoothQualityChange_();\n        }\n      }); // Handle seeking when looping - middleware doesn't handle this seek event from the tech\n\n\n      _this.on(_this.tech_, 'seeking', function () {\n        if (this.tech_.currentTime() === 0 && this.tech_.player_.loop()) {\n          this.setCurrentTime(0);\n        }\n      });\n\n      _this.on(_this.tech_, 'error', function () {\n        if (this.masterPlaylistController_) {\n          this.masterPlaylistController_.pauseLoading();\n        }\n      });\n\n      _this.on(_this.tech_, 'play', _this.play);\n\n      return _this;\n    }\n\n    createClass$1(HlsHandler, [{\n      key: 'setOptions_',\n      value: function setOptions_() {\n        var _this2 = this; // defaults\n\n\n        this.options_.withCredentials = this.options_.withCredentials || false;\n        this.options_.handleManifestRedirects = this.options_.handleManifestRedirects || false;\n        this.options_.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions === false ? false : true;\n        this.options_.smoothQualityChange = this.options_.smoothQualityChange || false;\n        this.options_.useBandwidthFromLocalStorage = typeof this.source_.useBandwidthFromLocalStorage !== 'undefined' ? this.source_.useBandwidthFromLocalStorage : this.options_.useBandwidthFromLocalStorage || false;\n        this.options_.customTagParsers = this.options_.customTagParsers || [];\n        this.options_.customTagMappers = this.options_.customTagMappers || [];\n        this.options_.cacheEncryptionKeys = this.options_.cacheEncryptionKeys || false;\n\n        if (typeof this.options_.blacklistDuration !== 'number') {\n          this.options_.blacklistDuration = 5 * 60;\n        }\n\n        if (typeof this.options_.bandwidth !== 'number') {\n          if (this.options_.useBandwidthFromLocalStorage) {\n            var storedObject = getVhsLocalStorage();\n\n            if (storedObject && storedObject.bandwidth) {\n              this.options_.bandwidth = storedObject.bandwidth;\n              this.tech_.trigger({\n                type: 'usage',\n                name: 'hls-bandwidth-from-local-storage'\n              });\n            }\n\n            if (storedObject && storedObject.throughput) {\n              this.options_.throughput = storedObject.throughput;\n              this.tech_.trigger({\n                type: 'usage',\n                name: 'hls-throughput-from-local-storage'\n              });\n            }\n          }\n        } // if bandwidth was not set by options or pulled from local storage, start playlist\n        // selection at a reasonable bandwidth\n\n\n        if (typeof this.options_.bandwidth !== 'number') {\n          this.options_.bandwidth = Config.INITIAL_BANDWIDTH;\n        } // If the bandwidth number is unchanged from the initial setting\n        // then this takes precedence over the enableLowInitialPlaylist option\n\n\n        this.options_.enableLowInitialPlaylist = this.options_.enableLowInitialPlaylist && this.options_.bandwidth === Config.INITIAL_BANDWIDTH; // grab options passed to player.src\n\n        ['withCredentials', 'limitRenditionByPlayerDimensions', 'bandwidth', 'smoothQualityChange', 'customTagParsers', 'customTagMappers', 'handleManifestRedirects', 'cacheEncryptionKeys'].forEach(function (option) {\n          if (typeof _this2.source_[option] !== 'undefined') {\n            _this2.options_[option] = _this2.source_[option];\n          }\n        });\n        this.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions;\n      }\n      /**\n       * called when player.src gets called, handle a new source\n       *\n       * @param {Object} src the source object to handle\n       */\n\n    }, {\n      key: 'src',\n      value: function src(_src, type) {\n        var _this3 = this; // do nothing if the src is falsey\n\n\n        if (!_src) {\n          return;\n        }\n\n        this.setOptions_(); // add master playlist controller options\n\n        this.options_.url = this.source_.src;\n        this.options_.tech = this.tech_;\n        this.options_.externHls = Hls$1;\n        this.options_.sourceType = simpleTypeFromSourceType(type); // Whenever we seek internally, we should update both the tech and call our own\n        // setCurrentTime function. This is needed because \"seeking\" events aren't always\n        // reliable. External seeks (via the player object) are handled via middleware.\n\n        this.options_.seekTo = function (time) {\n          _this3.tech_.setCurrentTime(time);\n\n          _this3.setCurrentTime(time);\n        };\n\n        this.masterPlaylistController_ = new MasterPlaylistController(this.options_);\n        this.playbackWatcher_ = new PlaybackWatcher(videojs$1.mergeOptions(this.options_, {\n          seekable: function seekable$$1() {\n            return _this3.seekable();\n          },\n          media: function media() {\n            return _this3.masterPlaylistController_.media();\n          }\n        }));\n        this.masterPlaylistController_.on('error', function () {\n          var player = videojs$1.players[_this3.tech_.options_.playerId];\n          player.error(_this3.masterPlaylistController_.error);\n        }); // `this` in selectPlaylist should be the HlsHandler for backwards\n        // compatibility with < v2\n\n        this.masterPlaylistController_.selectPlaylist = this.selectPlaylist ? this.selectPlaylist.bind(this) : Hls$1.STANDARD_PLAYLIST_SELECTOR.bind(this);\n        this.masterPlaylistController_.selectInitialPlaylist = Hls$1.INITIAL_PLAYLIST_SELECTOR.bind(this); // re-expose some internal objects for backwards compatibility with < v2\n\n        this.playlists = this.masterPlaylistController_.masterPlaylistLoader_;\n        this.mediaSource = this.masterPlaylistController_.mediaSource; // Proxy assignment of some properties to the master playlist\n        // controller. Using a custom property for backwards compatibility\n        // with < v2\n\n        Object.defineProperties(this, {\n          selectPlaylist: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.selectPlaylist;\n            },\n            set: function set$$1(selectPlaylist) {\n              this.masterPlaylistController_.selectPlaylist = selectPlaylist.bind(this);\n            }\n          },\n          throughput: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate;\n            },\n            set: function set$$1(throughput) {\n              this.masterPlaylistController_.mainSegmentLoader_.throughput.rate = throughput; // By setting `count` to 1 the throughput value becomes the starting value\n              // for the cumulative average\n\n              this.masterPlaylistController_.mainSegmentLoader_.throughput.count = 1;\n            }\n          },\n          bandwidth: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.mainSegmentLoader_.bandwidth;\n            },\n            set: function set$$1(bandwidth) {\n              this.masterPlaylistController_.mainSegmentLoader_.bandwidth = bandwidth; // setting the bandwidth manually resets the throughput counter\n              // `count` is set to zero that current value of `rate` isn't included\n              // in the cumulative average\n\n              this.masterPlaylistController_.mainSegmentLoader_.throughput = {\n                rate: 0,\n                count: 0\n              };\n            }\n          },\n\n          /**\n           * `systemBandwidth` is a combination of two serial processes bit-rates. The first\n           * is the network bitrate provided by `bandwidth` and the second is the bitrate of\n           * the entire process after that - decryption, transmuxing, and appending - provided\n           * by `throughput`.\n           *\n           * Since the two process are serial, the overall system bandwidth is given by:\n           *   sysBandwidth = 1 / (1 / bandwidth + 1 / throughput)\n           */\n          systemBandwidth: {\n            get: function get$$1() {\n              var invBandwidth = 1 / (this.bandwidth || 1);\n              var invThroughput = void 0;\n\n              if (this.throughput > 0) {\n                invThroughput = 1 / this.throughput;\n              } else {\n                invThroughput = 0;\n              }\n\n              var systemBitrate = Math.floor(1 / (invBandwidth + invThroughput));\n              return systemBitrate;\n            },\n            set: function set$$1() {\n              videojs$1.log.error('The \"systemBandwidth\" property is read-only');\n            }\n          }\n        });\n\n        if (this.options_.bandwidth) {\n          this.bandwidth = this.options_.bandwidth;\n        }\n\n        if (this.options_.throughput) {\n          this.throughput = this.options_.throughput;\n        }\n\n        Object.defineProperties(this.stats, {\n          bandwidth: {\n            get: function get$$1() {\n              return _this3.bandwidth || 0;\n            },\n            enumerable: true\n          },\n          mediaRequests: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequests_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsAborted: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsAborted_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsTimedout: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsTimedout_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsErrored: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsErrored_() || 0;\n            },\n            enumerable: true\n          },\n          mediaTransferDuration: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaTransferDuration_() || 0;\n            },\n            enumerable: true\n          },\n          mediaBytesTransferred: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaBytesTransferred_() || 0;\n            },\n            enumerable: true\n          },\n          mediaSecondsLoaded: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaSecondsLoaded_() || 0;\n            },\n            enumerable: true\n          },\n          buffered: {\n            get: function get$$1() {\n              return timeRangesToArray(_this3.tech_.buffered());\n            },\n            enumerable: true\n          },\n          currentTime: {\n            get: function get$$1() {\n              return _this3.tech_.currentTime();\n            },\n            enumerable: true\n          },\n          currentSource: {\n            get: function get$$1() {\n              return _this3.tech_.currentSource_;\n            },\n            enumerable: true\n          },\n          currentTech: {\n            get: function get$$1() {\n              return _this3.tech_.name_;\n            },\n            enumerable: true\n          },\n          duration: {\n            get: function get$$1() {\n              return _this3.tech_.duration();\n            },\n            enumerable: true\n          },\n          master: {\n            get: function get$$1() {\n              return _this3.playlists.master;\n            },\n            enumerable: true\n          },\n          playerDimensions: {\n            get: function get$$1() {\n              return _this3.tech_.currentDimensions();\n            },\n            enumerable: true\n          },\n          seekable: {\n            get: function get$$1() {\n              return timeRangesToArray(_this3.tech_.seekable());\n            },\n            enumerable: true\n          },\n          timestamp: {\n            get: function get$$1() {\n              return Date.now();\n            },\n            enumerable: true\n          },\n          videoPlaybackQuality: {\n            get: function get$$1() {\n              return _this3.tech_.getVideoPlaybackQuality();\n            },\n            enumerable: true\n          }\n        });\n        this.tech_.one('canplay', this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_));\n        this.tech_.on('bandwidthupdate', function () {\n          if (_this3.options_.useBandwidthFromLocalStorage) {\n            updateVhsLocalStorage({\n              bandwidth: _this3.bandwidth,\n              throughput: Math.round(_this3.throughput)\n            });\n          }\n        });\n        this.masterPlaylistController_.on('selectedinitialmedia', function () {\n          // Add the manual rendition mix-in to HlsHandler\n          renditionSelectionMixin(_this3);\n          setupEmeOptions(_this3);\n        }); // the bandwidth of the primary segment loader is our best\n        // estimate of overall bandwidth\n\n        this.on(this.masterPlaylistController_, 'progress', function () {\n          this.tech_.trigger('progress');\n        });\n        this.setupQualityLevels_(); // do nothing if the tech has been disposed already\n        // this can occur if someone sets the src in player.ready(), for instance\n\n        if (!this.tech_.el()) {\n          return;\n        }\n\n        this.tech_.src(videojs$1.URL.createObjectURL(this.masterPlaylistController_.mediaSource));\n      }\n      /**\n       * Initializes the quality levels and sets listeners to update them.\n       *\n       * @method setupQualityLevels_\n       * @private\n       */\n\n    }, {\n      key: 'setupQualityLevels_',\n      value: function setupQualityLevels_() {\n        var _this4 = this;\n\n        var player = videojs$1.players[this.tech_.options_.playerId]; // if there isn't a player or there isn't a qualityLevels plugin\n        // or qualityLevels_ listeners have already been setup, do nothing.\n\n        if (!player || !player.qualityLevels || this.qualityLevels_) {\n          return;\n        }\n\n        this.qualityLevels_ = player.qualityLevels();\n        this.masterPlaylistController_.on('selectedinitialmedia', function () {\n          handleHlsLoadedMetadata(_this4.qualityLevels_, _this4);\n        });\n        this.playlists.on('mediachange', function () {\n          handleHlsMediaChange(_this4.qualityLevels_, _this4.playlists);\n        });\n      }\n      /**\n       * Begin playing the video.\n       */\n\n    }, {\n      key: 'play',\n      value: function play() {\n        this.masterPlaylistController_.play();\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'setCurrentTime',\n      value: function setCurrentTime(currentTime) {\n        this.masterPlaylistController_.setCurrentTime(currentTime);\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'duration',\n      value: function duration$$1() {\n        return this.masterPlaylistController_.duration();\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'seekable',\n      value: function seekable$$1() {\n        return this.masterPlaylistController_.seekable();\n      }\n      /**\n       * Abort all outstanding work and cleanup.\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        if (this.playbackWatcher_) {\n          this.playbackWatcher_.dispose();\n        }\n\n        if (this.masterPlaylistController_) {\n          this.masterPlaylistController_.dispose();\n        }\n\n        if (this.qualityLevels_) {\n          this.qualityLevels_.dispose();\n        }\n\n        if (this.player_) {\n          delete this.player_.vhs;\n          delete this.player_.dash;\n          delete this.player_.hls;\n        }\n\n        if (this.tech_ && this.tech_.hls) {\n          delete this.tech_.hls;\n        }\n\n        get$1(HlsHandler.prototype.__proto__ || Object.getPrototypeOf(HlsHandler.prototype), 'dispose', this).call(this);\n      }\n    }, {\n      key: 'convertToProgramTime',\n      value: function convertToProgramTime(time, callback) {\n        return getProgramTime({\n          playlist: this.masterPlaylistController_.media(),\n          time: time,\n          callback: callback\n        });\n      } // the player must be playing before calling this\n\n    }, {\n      key: 'seekToProgramTime',\n      value: function seekToProgramTime$$1(programTime, callback) {\n        var pauseAfterSeek = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;\n        var retryCount = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 2;\n        return seekToProgramTime({\n          programTime: programTime,\n          playlist: this.masterPlaylistController_.media(),\n          retryCount: retryCount,\n          pauseAfterSeek: pauseAfterSeek,\n          seekTo: this.options_.seekTo,\n          tech: this.options_.tech,\n          callback: callback\n        });\n      }\n    }]);\n    return HlsHandler;\n  }(Component$1);\n  /**\n   * The Source Handler object, which informs video.js what additional\n   * MIME types are supported and sets up playback. It is registered\n   * automatically to the appropriate tech based on the capabilities of\n   * the browser it is running in. It is not necessary to use or modify\n   * this object in normal usage.\n   */\n\n\n  var HlsSourceHandler = {\n    name: 'videojs-http-streaming',\n    VERSION: version$1,\n    canHandleSource: function canHandleSource(srcObj) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      var localOptions = videojs$1.mergeOptions(videojs$1.options, options);\n      return HlsSourceHandler.canPlayType(srcObj.type, localOptions);\n    },\n    handleSource: function handleSource(source, tech) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      var localOptions = videojs$1.mergeOptions(videojs$1.options, options);\n      tech.hls = new HlsHandler(source, tech, localOptions);\n      tech.hls.xhr = xhrFactory();\n      tech.hls.src(source.src, source.type);\n      return tech.hls;\n    },\n    canPlayType: function canPlayType(type) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n      var _videojs$mergeOptions = videojs$1.mergeOptions(videojs$1.options, options),\n          overrideNative = _videojs$mergeOptions.hls.overrideNative;\n\n      var supportedType = simpleTypeFromSourceType(type);\n      var canUseMsePlayback = supportedType && (!Hls$1.supportsTypeNatively(supportedType) || overrideNative);\n      return canUseMsePlayback ? 'maybe' : '';\n    }\n  };\n\n  if (typeof videojs$1.MediaSource === 'undefined' || typeof videojs$1.URL === 'undefined') {\n    videojs$1.MediaSource = MediaSource;\n    videojs$1.URL = URL$1;\n  } // register source handlers with the appropriate techs\n\n\n  if (MediaSource.supportsNativeMediaSources()) {\n    videojs$1.getTech('Html5').registerSourceHandler(HlsSourceHandler, 0);\n  }\n\n  videojs$1.HlsHandler = HlsHandler;\n  videojs$1.HlsSourceHandler = HlsSourceHandler;\n  videojs$1.Hls = Hls$1;\n\n  if (!videojs$1.use) {\n    videojs$1.registerComponent('Hls', Hls$1);\n  }\n\n  videojs$1.options.hls = videojs$1.options.hls || {};\n\n  if (videojs$1.registerPlugin) {\n    videojs$1.registerPlugin('reloadSourceOnError', reloadSourceOnError);\n  } else {\n    videojs$1.plugin('reloadSourceOnError', reloadSourceOnError);\n  }\n\n  return videojs$1;\n\n}));\n"],"file":"video-lazy.min.js"}
\ No newline at end of file
+{"version":3,"file":"video-lazy.min.js","sources":["../src/video-lazy.js"],"sourcesContent":["/**\n * @license\n * Video.js 7.7.6 <http://videojs.com/>\n * Copyright Brightcove, Inc. <https://www.brightcove.com/>\n * Available under Apache License Version 2.0\n * <https://github.com/videojs/video.js/blob/master/LICENSE>\n *\n * Includes vtt.js <https://github.com/mozilla/vtt.js>\n * Available under Apache License Version 2.0\n * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>\n */\n\n(function (global, factory) {\n  typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('global/window'), require('global/document')) :\n  typeof define === 'function' && define.amd ? define(['./window', './document'], factory) :\n  (global = global || self, global.videojs = factory(global.window, global.document));\n}(this, function (window$3, document) { 'use strict';\n\n  window$3 = window$3 && window$3.hasOwnProperty('default') ? window$3['default'] : window$3;\n  document = document && document.hasOwnProperty('default') ? document['default'] : document;\n\n  var version = \"7.7.6\";\n\n  /**\n   * @file create-logger.js\n   * @module create-logger\n   */\n\n  var history = [];\n  /**\n   * Log messages to the console and history based on the type of message\n   *\n   * @private\n   * @param  {string} type\n   *         The name of the console method to use.\n   *\n   * @param  {Array} args\n   *         The arguments to be passed to the matching console method.\n   */\n\n  var LogByTypeFactory = function LogByTypeFactory(name, log) {\n    return function (type, level, args) {\n      var lvl = log.levels[level];\n      var lvlRegExp = new RegExp(\"^(\" + lvl + \")$\");\n\n      if (type !== 'log') {\n        // Add the type to the front of the message when it's not \"log\".\n        args.unshift(type.toUpperCase() + ':');\n      } // Add console prefix after adding to history.\n\n\n      args.unshift(name + ':'); // Add a clone of the args at this point to history.\n\n      if (history) {\n        history.push([].concat(args)); // only store 1000 history entries\n\n        var splice = history.length - 1000;\n        history.splice(0, splice > 0 ? splice : 0);\n      } // If there's no console then don't try to output messages, but they will\n      // still be stored in history.\n\n\n      if (!window$3.console) {\n        return;\n      } // Was setting these once outside of this function, but containing them\n      // in the function makes it easier to test cases where console doesn't exist\n      // when the module is executed.\n\n\n      var fn = window$3.console[type];\n\n      if (!fn && type === 'debug') {\n        // Certain browsers don't have support for console.debug. For those, we\n        // should default to the closest comparable log.\n        fn = window$3.console.info || window$3.console.log;\n      } // Bail out if there's no console or if this type is not allowed by the\n      // current logging level.\n\n\n      if (!fn || !lvl || !lvlRegExp.test(type)) {\n        return;\n      }\n\n      fn[Array.isArray(args) ? 'apply' : 'call'](window$3.console, args);\n    };\n  };\n\n  function createLogger(name) {\n    // This is the private tracking variable for logging level.\n    var level = 'info'; // the curried logByType bound to the specific log and history\n\n    var logByType;\n    /**\n     * Logs plain debug messages. Similar to `console.log`.\n     *\n     * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)\n     * of our JSDoc template, we cannot properly document this as both a function\n     * and a namespace, so its function signature is documented here.\n     *\n     * #### Arguments\n     * ##### *args\n     * Mixed[]\n     *\n     * Any combination of values that could be passed to `console.log()`.\n     *\n     * #### Return Value\n     *\n     * `undefined`\n     *\n     * @namespace\n     * @param    {Mixed[]} args\n     *           One or more messages or objects that should be logged.\n     */\n\n    var log = function log() {\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      logByType('log', level, args);\n    }; // This is the logByType helper that the logging methods below use\n\n\n    logByType = LogByTypeFactory(name, log);\n    /**\n     * Create a new sublogger which chains the old name to the new name.\n     *\n     * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following:\n     * ```js\n     *  mylogger('foo');\n     *  // > VIDEOJS: player: foo\n     * ```\n     *\n     * @param {string} name\n     *        The name to add call the new logger\n     * @return {Object}\n     */\n\n    log.createLogger = function (subname) {\n      return createLogger(name + ': ' + subname);\n    };\n    /**\n     * Enumeration of available logging levels, where the keys are the level names\n     * and the values are `|`-separated strings containing logging methods allowed\n     * in that logging level. These strings are used to create a regular expression\n     * matching the function name being called.\n     *\n     * Levels provided by Video.js are:\n     *\n     * - `off`: Matches no calls. Any value that can be cast to `false` will have\n     *   this effect. The most restrictive.\n     * - `all`: Matches only Video.js-provided functions (`debug`, `log`,\n     *   `log.warn`, and `log.error`).\n     * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls.\n     * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls.\n     * - `warn`: Matches `log.warn` and `log.error` calls.\n     * - `error`: Matches only `log.error` calls.\n     *\n     * @type {Object}\n     */\n\n\n    log.levels = {\n      all: 'debug|log|warn|error',\n      off: '',\n      debug: 'debug|log|warn|error',\n      info: 'log|warn|error',\n      warn: 'warn|error',\n      error: 'error',\n      DEFAULT: level\n    };\n    /**\n     * Get or set the current logging level.\n     *\n     * If a string matching a key from {@link module:log.levels} is provided, acts\n     * as a setter.\n     *\n     * @param  {string} [lvl]\n     *         Pass a valid level to set a new logging level.\n     *\n     * @return {string}\n     *         The current logging level.\n     */\n\n    log.level = function (lvl) {\n      if (typeof lvl === 'string') {\n        if (!log.levels.hasOwnProperty(lvl)) {\n          throw new Error(\"\\\"\" + lvl + \"\\\" in not a valid log level\");\n        }\n\n        level = lvl;\n      }\n\n      return level;\n    };\n    /**\n     * Returns an array containing everything that has been logged to the history.\n     *\n     * This array is a shallow clone of the internal history record. However, its\n     * contents are _not_ cloned; so, mutating objects inside this array will\n     * mutate them in history.\n     *\n     * @return {Array}\n     */\n\n\n    log.history = function () {\n      return history ? [].concat(history) : [];\n    };\n    /**\n     * Allows you to filter the history by the given logger name\n     *\n     * @param {string} fname\n     *        The name to filter by\n     *\n     * @return {Array}\n     *         The filtered list to return\n     */\n\n\n    log.history.filter = function (fname) {\n      return (history || []).filter(function (historyItem) {\n        // if the first item in each historyItem includes `fname`, then it's a match\n        return new RegExp(\".*\" + fname + \".*\").test(historyItem[0]);\n      });\n    };\n    /**\n     * Clears the internal history tracking, but does not prevent further history\n     * tracking.\n     */\n\n\n    log.history.clear = function () {\n      if (history) {\n        history.length = 0;\n      }\n    };\n    /**\n     * Disable history tracking if it is currently enabled.\n     */\n\n\n    log.history.disable = function () {\n      if (history !== null) {\n        history.length = 0;\n        history = null;\n      }\n    };\n    /**\n     * Enable history tracking if it is currently disabled.\n     */\n\n\n    log.history.enable = function () {\n      if (history === null) {\n        history = [];\n      }\n    };\n    /**\n     * Logs error messages. Similar to `console.error`.\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as an error\n     */\n\n\n    log.error = function () {\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      return logByType('error', level, args);\n    };\n    /**\n     * Logs warning messages. Similar to `console.warn`.\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as a warning.\n     */\n\n\n    log.warn = function () {\n      for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n        args[_key3] = arguments[_key3];\n      }\n\n      return logByType('warn', level, args);\n    };\n    /**\n     * Logs debug messages. Similar to `console.debug`, but may also act as a comparable\n     * log if `console.debug` is not available\n     *\n     * @param {Mixed[]} args\n     *        One or more messages or objects that should be logged as debug.\n     */\n\n\n    log.debug = function () {\n      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n        args[_key4] = arguments[_key4];\n      }\n\n      return logByType('debug', level, args);\n    };\n\n    return log;\n  }\n\n  /**\n   * @file log.js\n   * @module log\n   */\n  var log = createLogger('VIDEOJS');\n  var createLogger$1 = log.createLogger;\n\n  function createCommonjsModule(fn, module) {\n  \treturn module = { exports: {} }, fn(module, module.exports), module.exports;\n  }\n\n  var _extends_1 = createCommonjsModule(function (module) {\n    function _extends() {\n      module.exports = _extends = Object.assign || function (target) {\n        for (var i = 1; i < arguments.length; i++) {\n          var source = arguments[i];\n\n          for (var key in source) {\n            if (Object.prototype.hasOwnProperty.call(source, key)) {\n              target[key] = source[key];\n            }\n          }\n        }\n\n        return target;\n      };\n\n      return _extends.apply(this, arguments);\n    }\n\n    module.exports = _extends;\n  });\n\n  /**\n   * @file obj.js\n   * @module obj\n   */\n\n  /**\n   * @callback obj:EachCallback\n   *\n   * @param {Mixed} value\n   *        The current key for the object that is being iterated over.\n   *\n   * @param {string} key\n   *        The current key-value for object that is being iterated over\n   */\n\n  /**\n   * @callback obj:ReduceCallback\n   *\n   * @param {Mixed} accum\n   *        The value that is accumulating over the reduce loop.\n   *\n   * @param {Mixed} value\n   *        The current key for the object that is being iterated over.\n   *\n   * @param {string} key\n   *        The current key-value for object that is being iterated over\n   *\n   * @return {Mixed}\n   *         The new accumulated value.\n   */\n  var toString = Object.prototype.toString;\n  /**\n   * Get the keys of an Object\n   *\n   * @param {Object}\n   *        The Object to get the keys from\n   *\n   * @return {string[]}\n   *         An array of the keys from the object. Returns an empty array if the\n   *         object passed in was invalid or had no keys.\n   *\n   * @private\n   */\n\n  var keys = function keys(object) {\n    return isObject(object) ? Object.keys(object) : [];\n  };\n  /**\n   * Array-like iteration for objects.\n   *\n   * @param {Object} object\n   *        The object to iterate over\n   *\n   * @param {obj:EachCallback} fn\n   *        The callback function which is called for each key in the object.\n   */\n\n\n  function each(object, fn) {\n    keys(object).forEach(function (key) {\n      return fn(object[key], key);\n    });\n  }\n  /**\n   * Array-like reduce for objects.\n   *\n   * @param {Object} object\n   *        The Object that you want to reduce.\n   *\n   * @param {Function} fn\n   *         A callback function which is called for each key in the object. It\n   *         receives the accumulated value and the per-iteration value and key\n   *         as arguments.\n   *\n   * @param {Mixed} [initial = 0]\n   *        Starting value\n   *\n   * @return {Mixed}\n   *         The final accumulated value.\n   */\n\n  function reduce(object, fn, initial) {\n    if (initial === void 0) {\n      initial = 0;\n    }\n\n    return keys(object).reduce(function (accum, key) {\n      return fn(accum, object[key], key);\n    }, initial);\n  }\n  /**\n   * Object.assign-style object shallow merge/extend.\n   *\n   * @param  {Object} target\n   * @param  {Object} ...sources\n   * @return {Object}\n   */\n\n  function assign(target) {\n    for (var _len = arguments.length, sources = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n      sources[_key - 1] = arguments[_key];\n    }\n\n    if (Object.assign) {\n      return _extends_1.apply(void 0, [target].concat(sources));\n    }\n\n    sources.forEach(function (source) {\n      if (!source) {\n        return;\n      }\n\n      each(source, function (value, key) {\n        target[key] = value;\n      });\n    });\n    return target;\n  }\n  /**\n   * Returns whether a value is an object of any kind - including DOM nodes,\n   * arrays, regular expressions, etc. Not functions, though.\n   *\n   * This avoids the gotcha where using `typeof` on a `null` value\n   * results in `'object'`.\n   *\n   * @param  {Object} value\n   * @return {boolean}\n   */\n\n  function isObject(value) {\n    return !!value && typeof value === 'object';\n  }\n  /**\n   * Returns whether an object appears to be a \"plain\" object - that is, a\n   * direct instance of `Object`.\n   *\n   * @param  {Object} value\n   * @return {boolean}\n   */\n\n  function isPlain(value) {\n    return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;\n  }\n\n  /**\n   * @file computed-style.js\n   * @module computed-style\n   */\n  /**\n   * A safe getComputedStyle.\n   *\n   * This is needed because in Firefox, if the player is loaded in an iframe with\n   * `display:none`, then `getComputedStyle` returns `null`, so, we do a\n   * null-check to make sure that the player doesn't break in these cases.\n   *\n   * @function\n   * @param    {Element} el\n   *           The element you want the computed style of\n   *\n   * @param    {string} prop\n   *           The property name you want\n   *\n   * @see      https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n   */\n\n  function computedStyle(el, prop) {\n    if (!el || !prop) {\n      return '';\n    }\n\n    if (typeof window$3.getComputedStyle === 'function') {\n      var computedStyleValue = window$3.getComputedStyle(el);\n      return computedStyleValue ? computedStyleValue.getPropertyValue(prop) || computedStyleValue[prop] : '';\n    }\n\n    return '';\n  }\n\n  /**\n   * @file dom.js\n   * @module dom\n   */\n  /**\n   * Detect if a value is a string with any non-whitespace characters.\n   *\n   * @private\n   * @param  {string} str\n   *         The string to check\n   *\n   * @return {boolean}\n   *         Will be `true` if the string is non-blank, `false` otherwise.\n   *\n   */\n\n  function isNonBlankString(str) {\n    // we use str.trim as it will trim any whitespace characters\n    // from the front or back of non-whitespace characters. aka\n    // Any string that contains non-whitespace characters will\n    // still contain them after `trim` but whitespace only strings\n    // will have a length of 0, failing this check.\n    return typeof str === 'string' && Boolean(str.trim());\n  }\n  /**\n   * Throws an error if the passed string has whitespace. This is used by\n   * class methods to be relatively consistent with the classList API.\n   *\n   * @private\n   * @param  {string} str\n   *         The string to check for whitespace.\n   *\n   * @throws {Error}\n   *         Throws an error if there is whitespace in the string.\n   */\n\n\n  function throwIfWhitespace(str) {\n    // str.indexOf instead of regex because str.indexOf is faster performance wise.\n    if (str.indexOf(' ') >= 0) {\n      throw new Error('class has illegal whitespace characters');\n    }\n  }\n  /**\n   * Produce a regular expression for matching a className within an elements className.\n   *\n   * @private\n   * @param  {string} className\n   *         The className to generate the RegExp for.\n   *\n   * @return {RegExp}\n   *         The RegExp that will check for a specific `className` in an elements\n   *         className.\n   */\n\n\n  function classRegExp(className) {\n    return new RegExp('(^|\\\\s)' + className + '($|\\\\s)');\n  }\n  /**\n   * Whether the current DOM interface appears to be real (i.e. not simulated).\n   *\n   * @return {boolean}\n   *         Will be `true` if the DOM appears to be real, `false` otherwise.\n   */\n\n\n  function isReal() {\n    // Both document and window will never be undefined thanks to `global`.\n    return document === window$3.document;\n  }\n  /**\n   * Determines, via duck typing, whether or not a value is a DOM element.\n   *\n   * @param  {Mixed} value\n   *         The value to check.\n   *\n   * @return {boolean}\n   *         Will be `true` if the value is a DOM element, `false` otherwise.\n   */\n\n  function isEl(value) {\n    return isObject(value) && value.nodeType === 1;\n  }\n  /**\n   * Determines if the current DOM is embedded in an iframe.\n   *\n   * @return {boolean}\n   *         Will be `true` if the DOM is embedded in an iframe, `false`\n   *         otherwise.\n   */\n\n  function isInFrame() {\n    // We need a try/catch here because Safari will throw errors when attempting\n    // to get either `parent` or `self`\n    try {\n      return window$3.parent !== window$3.self;\n    } catch (x) {\n      return true;\n    }\n  }\n  /**\n   * Creates functions to query the DOM using a given method.\n   *\n   * @private\n   * @param   {string} method\n   *          The method to create the query with.\n   *\n   * @return  {Function}\n   *          The query method\n   */\n\n  function createQuerier(method) {\n    return function (selector, context) {\n      if (!isNonBlankString(selector)) {\n        return document[method](null);\n      }\n\n      if (isNonBlankString(context)) {\n        context = document.querySelector(context);\n      }\n\n      var ctx = isEl(context) ? context : document;\n      return ctx[method] && ctx[method](selector);\n    };\n  }\n  /**\n   * Creates an element and applies properties, attributes, and inserts content.\n   *\n   * @param  {string} [tagName='div']\n   *         Name of tag to be created.\n   *\n   * @param  {Object} [properties={}]\n   *         Element properties to be applied.\n   *\n   * @param  {Object} [attributes={}]\n   *         Element attributes to be applied.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor object.\n   *\n   * @return {Element}\n   *         The element that was created.\n   */\n\n\n  function createEl(tagName, properties, attributes, content) {\n    if (tagName === void 0) {\n      tagName = 'div';\n    }\n\n    if (properties === void 0) {\n      properties = {};\n    }\n\n    if (attributes === void 0) {\n      attributes = {};\n    }\n\n    var el = document.createElement(tagName);\n    Object.getOwnPropertyNames(properties).forEach(function (propName) {\n      var val = properties[propName]; // See #2176\n      // We originally were accepting both properties and attributes in the\n      // same object, but that doesn't work so well.\n\n      if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {\n        log.warn('Setting attributes in the second argument of createEl()\\n' + 'has been deprecated. Use the third argument instead.\\n' + (\"createEl(type, properties, attributes). Attempting to set \" + propName + \" to \" + val + \".\"));\n        el.setAttribute(propName, val); // Handle textContent since it's not supported everywhere and we have a\n        // method for it.\n      } else if (propName === 'textContent') {\n        textContent(el, val);\n      } else if (el[propName] !== val) {\n        el[propName] = val;\n      }\n    });\n    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {\n      el.setAttribute(attrName, attributes[attrName]);\n    });\n\n    if (content) {\n      appendContent(el, content);\n    }\n\n    return el;\n  }\n  /**\n   * Injects text into an element, replacing any existing contents entirely.\n   *\n   * @param  {Element} el\n   *         The element to add text content into\n   *\n   * @param  {string} text\n   *         The text content to add.\n   *\n   * @return {Element}\n   *         The element with added text content.\n   */\n\n  function textContent(el, text) {\n    if (typeof el.textContent === 'undefined') {\n      el.innerText = text;\n    } else {\n      el.textContent = text;\n    }\n\n    return el;\n  }\n  /**\n   * Insert an element as the first child node of another\n   *\n   * @param {Element} child\n   *        Element to insert\n   *\n   * @param {Element} parent\n   *        Element to insert child into\n   */\n\n  function prependTo(child, parent) {\n    if (parent.firstChild) {\n      parent.insertBefore(child, parent.firstChild);\n    } else {\n      parent.appendChild(child);\n    }\n  }\n  /**\n   * Check if an element has a class name.\n   *\n   * @param  {Element} element\n   *         Element to check\n   *\n   * @param  {string} classToCheck\n   *         Class name to check for\n   *\n   * @return {boolean}\n   *         Will be `true` if the element has a class, `false` otherwise.\n   *\n   * @throws {Error}\n   *         Throws an error if `classToCheck` has white space.\n   */\n\n  function hasClass(element, classToCheck) {\n    throwIfWhitespace(classToCheck);\n\n    if (element.classList) {\n      return element.classList.contains(classToCheck);\n    }\n\n    return classRegExp(classToCheck).test(element.className);\n  }\n  /**\n   * Add a class name to an element.\n   *\n   * @param  {Element} element\n   *         Element to add class name to.\n   *\n   * @param  {string} classToAdd\n   *         Class name to add.\n   *\n   * @return {Element}\n   *         The DOM element with the added class name.\n   */\n\n  function addClass(element, classToAdd) {\n    if (element.classList) {\n      element.classList.add(classToAdd); // Don't need to `throwIfWhitespace` here because `hasElClass` will do it\n      // in the case of classList not being supported.\n    } else if (!hasClass(element, classToAdd)) {\n      element.className = (element.className + ' ' + classToAdd).trim();\n    }\n\n    return element;\n  }\n  /**\n   * Remove a class name from an element.\n   *\n   * @param  {Element} element\n   *         Element to remove a class name from.\n   *\n   * @param  {string} classToRemove\n   *         Class name to remove\n   *\n   * @return {Element}\n   *         The DOM element with class name removed.\n   */\n\n  function removeClass(element, classToRemove) {\n    if (element.classList) {\n      element.classList.remove(classToRemove);\n    } else {\n      throwIfWhitespace(classToRemove);\n      element.className = element.className.split(/\\s+/).filter(function (c) {\n        return c !== classToRemove;\n      }).join(' ');\n    }\n\n    return element;\n  }\n  /**\n   * The callback definition for toggleClass.\n   *\n   * @callback module:dom~PredicateCallback\n   * @param    {Element} element\n   *           The DOM element of the Component.\n   *\n   * @param    {string} classToToggle\n   *           The `className` that wants to be toggled\n   *\n   * @return   {boolean|undefined}\n   *           If `true` is returned, the `classToToggle` will be added to the\n   *           `element`. If `false`, the `classToToggle` will be removed from\n   *           the `element`. If `undefined`, the callback will be ignored.\n   */\n\n  /**\n   * Adds or removes a class name to/from an element depending on an optional\n   * condition or the presence/absence of the class name.\n   *\n   * @param  {Element} element\n   *         The element to toggle a class name on.\n   *\n   * @param  {string} classToToggle\n   *         The class that should be toggled.\n   *\n   * @param  {boolean|module:dom~PredicateCallback} [predicate]\n   *         See the return value for {@link module:dom~PredicateCallback}\n   *\n   * @return {Element}\n   *         The element with a class that has been toggled.\n   */\n\n  function toggleClass(element, classToToggle, predicate) {\n    // This CANNOT use `classList` internally because IE11 does not support the\n    // second parameter to the `classList.toggle()` method! Which is fine because\n    // `classList` will be used by the add/remove functions.\n    var has = hasClass(element, classToToggle);\n\n    if (typeof predicate === 'function') {\n      predicate = predicate(element, classToToggle);\n    }\n\n    if (typeof predicate !== 'boolean') {\n      predicate = !has;\n    } // If the necessary class operation matches the current state of the\n    // element, no action is required.\n\n\n    if (predicate === has) {\n      return;\n    }\n\n    if (predicate) {\n      addClass(element, classToToggle);\n    } else {\n      removeClass(element, classToToggle);\n    }\n\n    return element;\n  }\n  /**\n   * Apply attributes to an HTML element.\n   *\n   * @param {Element} el\n   *        Element to add attributes to.\n   *\n   * @param {Object} [attributes]\n   *        Attributes to be applied.\n   */\n\n  function setAttributes(el, attributes) {\n    Object.getOwnPropertyNames(attributes).forEach(function (attrName) {\n      var attrValue = attributes[attrName];\n\n      if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {\n        el.removeAttribute(attrName);\n      } else {\n        el.setAttribute(attrName, attrValue === true ? '' : attrValue);\n      }\n    });\n  }\n  /**\n   * Get an element's attribute values, as defined on the HTML tag.\n   *\n   * Attributes are not the same as properties. They're defined on the tag\n   * or with setAttribute.\n   *\n   * @param  {Element} tag\n   *         Element from which to get tag attributes.\n   *\n   * @return {Object}\n   *         All attributes of the element. Boolean attributes will be `true` or\n   *         `false`, others will be strings.\n   */\n\n  function getAttributes(tag) {\n    var obj = {}; // known boolean attributes\n    // we can check for matching boolean properties, but not all browsers\n    // and not all tags know about these attributes, so, we still want to check them manually\n\n    var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';\n\n    if (tag && tag.attributes && tag.attributes.length > 0) {\n      var attrs = tag.attributes;\n\n      for (var i = attrs.length - 1; i >= 0; i--) {\n        var attrName = attrs[i].name;\n        var attrVal = attrs[i].value; // check for known booleans\n        // the matching element property will return a value for typeof\n\n        if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {\n          // the value of an included boolean attribute is typically an empty\n          // string ('') which would equal false if we just check for a false value.\n          // we also don't want support bad code like autoplay='false'\n          attrVal = attrVal !== null ? true : false;\n        }\n\n        obj[attrName] = attrVal;\n      }\n    }\n\n    return obj;\n  }\n  /**\n   * Get the value of an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to get the value of.\n   *\n   * @return {string}\n   *         The value of the attribute.\n   */\n\n  function getAttribute(el, attribute) {\n    return el.getAttribute(attribute);\n  }\n  /**\n   * Set the value of an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to set.\n   *\n   * @param {string} value\n   *        Value to set the attribute to.\n   */\n\n  function setAttribute(el, attribute, value) {\n    el.setAttribute(attribute, value);\n  }\n  /**\n   * Remove an element's attribute.\n   *\n   * @param {Element} el\n   *        A DOM element.\n   *\n   * @param {string} attribute\n   *        Attribute to remove.\n   */\n\n  function removeAttribute(el, attribute) {\n    el.removeAttribute(attribute);\n  }\n  /**\n   * Attempt to block the ability to select text.\n   */\n\n  function blockTextSelection() {\n    document.body.focus();\n\n    document.onselectstart = function () {\n      return false;\n    };\n  }\n  /**\n   * Turn off text selection blocking.\n   */\n\n  function unblockTextSelection() {\n    document.onselectstart = function () {\n      return true;\n    };\n  }\n  /**\n   * Identical to the native `getBoundingClientRect` function, but ensures that\n   * the method is supported at all (it is in all browsers we claim to support)\n   * and that the element is in the DOM before continuing.\n   *\n   * This wrapper function also shims properties which are not provided by some\n   * older browsers (namely, IE8).\n   *\n   * Additionally, some browsers do not support adding properties to a\n   * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard\n   * properties (except `x` and `y` which are not widely supported). This helps\n   * avoid implementations where keys are non-enumerable.\n   *\n   * @param  {Element} el\n   *         Element whose `ClientRect` we want to calculate.\n   *\n   * @return {Object|undefined}\n   *         Always returns a plain object - or `undefined` if it cannot.\n   */\n\n  function getBoundingClientRect(el) {\n    if (el && el.getBoundingClientRect && el.parentNode) {\n      var rect = el.getBoundingClientRect();\n      var result = {};\n      ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {\n        if (rect[k] !== undefined) {\n          result[k] = rect[k];\n        }\n      });\n\n      if (!result.height) {\n        result.height = parseFloat(computedStyle(el, 'height'));\n      }\n\n      if (!result.width) {\n        result.width = parseFloat(computedStyle(el, 'width'));\n      }\n\n      return result;\n    }\n  }\n  /**\n   * Represents the position of a DOM element on the page.\n   *\n   * @typedef  {Object} module:dom~Position\n   *\n   * @property {number} left\n   *           Pixels to the left.\n   *\n   * @property {number} top\n   *           Pixels from the top.\n   */\n\n  /**\n   * Get the position of an element in the DOM.\n   *\n   * Uses `getBoundingClientRect` technique from John Resig.\n   *\n   * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/\n   *\n   * @param  {Element} el\n   *         Element from which to get offset.\n   *\n   * @return {module:dom~Position}\n   *         The position of the element that was passed in.\n   */\n\n  function findPosition(el) {\n    var box;\n\n    if (el.getBoundingClientRect && el.parentNode) {\n      box = el.getBoundingClientRect();\n    }\n\n    if (!box) {\n      return {\n        left: 0,\n        top: 0\n      };\n    }\n\n    var docEl = document.documentElement;\n    var body = document.body;\n    var clientLeft = docEl.clientLeft || body.clientLeft || 0;\n    var scrollLeft = window$3.pageXOffset || body.scrollLeft;\n    var left = box.left + scrollLeft - clientLeft;\n    var clientTop = docEl.clientTop || body.clientTop || 0;\n    var scrollTop = window$3.pageYOffset || body.scrollTop;\n    var top = box.top + scrollTop - clientTop; // Android sometimes returns slightly off decimal values, so need to round\n\n    return {\n      left: Math.round(left),\n      top: Math.round(top)\n    };\n  }\n  /**\n   * Represents x and y coordinates for a DOM element or mouse pointer.\n   *\n   * @typedef  {Object} module:dom~Coordinates\n   *\n   * @property {number} x\n   *           x coordinate in pixels\n   *\n   * @property {number} y\n   *           y coordinate in pixels\n   */\n\n  /**\n   * Get the pointer position within an element.\n   *\n   * The base on the coordinates are the bottom left of the element.\n   *\n   * @param  {Element} el\n   *         Element on which to get the pointer position on.\n   *\n   * @param  {EventTarget~Event} event\n   *         Event object.\n   *\n   * @return {module:dom~Coordinates}\n   *         A coordinates object corresponding to the mouse position.\n   *\n   */\n\n  function getPointerPosition(el, event) {\n    var position = {};\n    var box = findPosition(el);\n    var boxW = el.offsetWidth;\n    var boxH = el.offsetHeight;\n    var boxY = box.top;\n    var boxX = box.left;\n    var pageY = event.pageY;\n    var pageX = event.pageX;\n\n    if (event.changedTouches) {\n      pageX = event.changedTouches[0].pageX;\n      pageY = event.changedTouches[0].pageY;\n    }\n\n    position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / boxH));\n    position.x = Math.max(0, Math.min(1, (pageX - boxX) / boxW));\n    return position;\n  }\n  /**\n   * Determines, via duck typing, whether or not a value is a text node.\n   *\n   * @param  {Mixed} value\n   *         Check if this value is a text node.\n   *\n   * @return {boolean}\n   *         Will be `true` if the value is a text node, `false` otherwise.\n   */\n\n  function isTextNode(value) {\n    return isObject(value) && value.nodeType === 3;\n  }\n  /**\n   * Empties the contents of an element.\n   *\n   * @param  {Element} el\n   *         The element to empty children from\n   *\n   * @return {Element}\n   *         The element with no children\n   */\n\n  function emptyEl(el) {\n    while (el.firstChild) {\n      el.removeChild(el.firstChild);\n    }\n\n    return el;\n  }\n  /**\n   * This is a mixed value that describes content to be injected into the DOM\n   * via some method. It can be of the following types:\n   *\n   * Type       | Description\n   * -----------|-------------\n   * `string`   | The value will be normalized into a text node.\n   * `Element`  | The value will be accepted as-is.\n   * `TextNode` | The value will be accepted as-is.\n   * `Array`    | A one-dimensional array of strings, elements, text nodes, or functions. These functions should return a string, element, or text node (any other return value, like an array, will be ignored).\n   * `Function` | A function, which is expected to return a string, element, text node, or array - any of the other possible values described above. This means that a content descriptor could be a function that returns an array of functions, but those second-level functions must return strings, elements, or text nodes.\n   *\n   * @typedef {string|Element|TextNode|Array|Function} module:dom~ContentDescriptor\n   */\n\n  /**\n   * Normalizes content for eventual insertion into the DOM.\n   *\n   * This allows a wide range of content definition methods, but helps protect\n   * from falling into the trap of simply writing to `innerHTML`, which could\n   * be an XSS concern.\n   *\n   * The content for an element can be passed in multiple types and\n   * combinations, whose behavior is as follows:\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Array}\n   *         All of the content that was passed in, normalized to an array of\n   *         elements or text nodes.\n   */\n\n  function normalizeContent(content) {\n    // First, invoke content if it is a function. If it produces an array,\n    // that needs to happen before normalization.\n    if (typeof content === 'function') {\n      content = content();\n    } // Next up, normalize to an array, so one or many items can be normalized,\n    // filtered, and returned.\n\n\n    return (Array.isArray(content) ? content : [content]).map(function (value) {\n      // First, invoke value if it is a function to produce a new value,\n      // which will be subsequently normalized to a Node of some kind.\n      if (typeof value === 'function') {\n        value = value();\n      }\n\n      if (isEl(value) || isTextNode(value)) {\n        return value;\n      }\n\n      if (typeof value === 'string' && /\\S/.test(value)) {\n        return document.createTextNode(value);\n      }\n    }).filter(function (value) {\n      return value;\n    });\n  }\n  /**\n   * Normalizes and appends content to an element.\n   *\n   * @param  {Element} el\n   *         Element to append normalized content to.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Element}\n   *         The element with appended normalized content.\n   */\n\n  function appendContent(el, content) {\n    normalizeContent(content).forEach(function (node) {\n      return el.appendChild(node);\n    });\n    return el;\n  }\n  /**\n   * Normalizes and inserts content into an element; this is identical to\n   * `appendContent()`, except it empties the element first.\n   *\n   * @param {Element} el\n   *        Element to insert normalized content into.\n   *\n   * @param {module:dom~ContentDescriptor} content\n   *        A content descriptor value.\n   *\n   * @return {Element}\n   *         The element with inserted normalized content.\n   */\n\n  function insertContent(el, content) {\n    return appendContent(emptyEl(el), content);\n  }\n  /**\n   * Check if an event was a single left click.\n   *\n   * @param  {EventTarget~Event} event\n   *         Event object.\n   *\n   * @return {boolean}\n   *         Will be `true` if a single left click, `false` otherwise.\n   */\n\n  function isSingleLeftClick(event) {\n    // Note: if you create something draggable, be sure to\n    // call it on both `mousedown` and `mousemove` event,\n    // otherwise `mousedown` should be enough for a button\n    if (event.button === undefined && event.buttons === undefined) {\n      // Why do we need `buttons` ?\n      // Because, middle mouse sometimes have this:\n      // e.button === 0 and e.buttons === 4\n      // Furthermore, we want to prevent combination click, something like\n      // HOLD middlemouse then left click, that would be\n      // e.button === 0, e.buttons === 5\n      // just `button` is not gonna work\n      // Alright, then what this block does ?\n      // this is for chrome `simulate mobile devices`\n      // I want to support this as well\n      return true;\n    }\n\n    if (event.button === 0 && event.buttons === undefined) {\n      // Touch screen, sometimes on some specific device, `buttons`\n      // doesn't have anything (safari on ios, blackberry...)\n      return true;\n    } // `mouseup` event on a single left click has\n    // `button` and `buttons` equal to 0\n\n\n    if (event.type === 'mouseup' && event.button === 0 && event.buttons === 0) {\n      return true;\n    }\n\n    if (event.button !== 0 || event.buttons !== 1) {\n      // This is the reason we have those if else block above\n      // if any special case we can catch and let it slide\n      // we do it above, when get to here, this definitely\n      // is-not-left-click\n      return false;\n    }\n\n    return true;\n  }\n  /**\n   * Finds a single DOM element matching `selector` within the optional\n   * `context` of another DOM element (defaulting to `document`).\n   *\n   * @param  {string} selector\n   *         A valid CSS selector, which will be passed to `querySelector`.\n   *\n   * @param  {Element|String} [context=document]\n   *         A DOM element within which to query. Can also be a selector\n   *         string in which case the first matching element will be used\n   *         as context. If missing (or no element matches selector), falls\n   *         back to `document`.\n   *\n   * @return {Element|null}\n   *         The element that was found or null.\n   */\n\n  var $ = createQuerier('querySelector');\n  /**\n   * Finds a all DOM elements matching `selector` within the optional\n   * `context` of another DOM element (defaulting to `document`).\n   *\n   * @param  {string} selector\n   *         A valid CSS selector, which will be passed to `querySelectorAll`.\n   *\n   * @param  {Element|String} [context=document]\n   *         A DOM element within which to query. Can also be a selector\n   *         string in which case the first matching element will be used\n   *         as context. If missing (or no element matches selector), falls\n   *         back to `document`.\n   *\n   * @return {NodeList}\n   *         A element list of elements that were found. Will be empty if none\n   *         were found.\n   *\n   */\n\n  var $$ = createQuerier('querySelectorAll');\n\n  var Dom = /*#__PURE__*/Object.freeze({\n    isReal: isReal,\n    isEl: isEl,\n    isInFrame: isInFrame,\n    createEl: createEl,\n    textContent: textContent,\n    prependTo: prependTo,\n    hasClass: hasClass,\n    addClass: addClass,\n    removeClass: removeClass,\n    toggleClass: toggleClass,\n    setAttributes: setAttributes,\n    getAttributes: getAttributes,\n    getAttribute: getAttribute,\n    setAttribute: setAttribute,\n    removeAttribute: removeAttribute,\n    blockTextSelection: blockTextSelection,\n    unblockTextSelection: unblockTextSelection,\n    getBoundingClientRect: getBoundingClientRect,\n    findPosition: findPosition,\n    getPointerPosition: getPointerPosition,\n    isTextNode: isTextNode,\n    emptyEl: emptyEl,\n    normalizeContent: normalizeContent,\n    appendContent: appendContent,\n    insertContent: insertContent,\n    isSingleLeftClick: isSingleLeftClick,\n    $: $,\n    $$: $$\n  });\n\n  /**\n   * @file setup.js - Functions for setting up a player without\n   * user interaction based on the data-setup `attribute` of the video tag.\n   *\n   * @module setup\n   */\n  var _windowLoaded = false;\n  var videojs;\n  /**\n   * Set up any tags that have a data-setup `attribute` when the player is started.\n   */\n\n  var autoSetup = function autoSetup() {\n    // Protect against breakage in non-browser environments and check global autoSetup option.\n    if (!isReal() || videojs.options.autoSetup === false) {\n      return;\n    }\n\n    var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));\n    var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));\n    var divs = Array.prototype.slice.call(document.getElementsByTagName('video-js'));\n    var mediaEls = vids.concat(audios, divs); // Check if any media elements exist\n\n    if (mediaEls && mediaEls.length > 0) {\n      for (var i = 0, e = mediaEls.length; i < e; i++) {\n        var mediaEl = mediaEls[i]; // Check if element exists, has getAttribute func.\n\n        if (mediaEl && mediaEl.getAttribute) {\n          // Make sure this player hasn't already been set up.\n          if (mediaEl.player === undefined) {\n            var options = mediaEl.getAttribute('data-setup'); // Check if data-setup attr exists.\n            // We only auto-setup if they've added the data-setup attr.\n\n            if (options !== null) {\n              // Create new video.js instance.\n              videojs(mediaEl);\n            }\n          } // If getAttribute isn't defined, we need to wait for the DOM.\n\n        } else {\n          autoSetupTimeout(1);\n          break;\n        }\n      } // No videos were found, so keep looping unless page is finished loading.\n\n    } else if (!_windowLoaded) {\n      autoSetupTimeout(1);\n    }\n  };\n  /**\n   * Wait until the page is loaded before running autoSetup. This will be called in\n   * autoSetup if `hasLoaded` returns false.\n   *\n   * @param {number} wait\n   *        How long to wait in ms\n   *\n   * @param {module:videojs} [vjs]\n   *        The videojs library function\n   */\n\n\n  function autoSetupTimeout(wait, vjs) {\n    if (vjs) {\n      videojs = vjs;\n    }\n\n    window$3.setTimeout(autoSetup, wait);\n  }\n  /**\n   * Used to set the internal tracking of window loaded state to true.\n   *\n   * @private\n   */\n\n\n  function setWindowLoaded() {\n    _windowLoaded = true;\n    window$3.removeEventListener('load', setWindowLoaded);\n  }\n\n  if (isReal()) {\n    if (document.readyState === 'complete') {\n      setWindowLoaded();\n    } else {\n      /**\n       * Listen for the load event on window, and set _windowLoaded to true.\n       *\n       * We use a standard event listener here to avoid incrementing the GUID\n       * before any players are created.\n       *\n       * @listens load\n       */\n      window$3.addEventListener('load', setWindowLoaded);\n    }\n  }\n\n  /**\n   * @file stylesheet.js\n   * @module stylesheet\n   */\n  /**\n   * Create a DOM syle element given a className for it.\n   *\n   * @param {string} className\n   *        The className to add to the created style element.\n   *\n   * @return {Element}\n   *         The element that was created.\n   */\n\n  var createStyleElement = function createStyleElement(className) {\n    var style = document.createElement('style');\n    style.className = className;\n    return style;\n  };\n  /**\n   * Add text to a DOM element.\n   *\n   * @param {Element} el\n   *        The Element to add text content to.\n   *\n   * @param {string} content\n   *        The text to add to the element.\n   */\n\n  var setTextContent = function setTextContent(el, content) {\n    if (el.styleSheet) {\n      el.styleSheet.cssText = content;\n    } else {\n      el.textContent = content;\n    }\n  };\n\n  /**\n   * @file guid.js\n   * @module guid\n   */\n  // Default value for GUIDs. This allows us to reset the GUID counter in tests.\n  //\n  // The initial GUID is 3 because some users have come to rely on the first\n  // default player ID ending up as `vjs_video_3`.\n  //\n  // See: https://github.com/videojs/video.js/pull/6216\n  var _initialGuid = 3;\n  /**\n   * Unique ID for an element or function\n   *\n   * @type {Number}\n   */\n\n  var _guid = _initialGuid;\n  /**\n   * Get a unique auto-incrementing ID by number that has not been returned before.\n   *\n   * @return {number}\n   *         A new unique ID.\n   */\n\n  function newGUID() {\n    return _guid++;\n  }\n\n  /**\n   * @file dom-data.js\n   * @module dom-data\n   */\n  var FakeWeakMap;\n\n  if (!window$3.WeakMap) {\n    FakeWeakMap = /*#__PURE__*/function () {\n      function FakeWeakMap() {\n        this.vdata = 'vdata' + Math.floor(window$3.performance && window$3.performance.now() || Date.now());\n        this.data = {};\n      }\n\n      var _proto = FakeWeakMap.prototype;\n\n      _proto.set = function set(key, value) {\n        var access = key[this.vdata] || newGUID();\n\n        if (!key[this.vdata]) {\n          key[this.vdata] = access;\n        }\n\n        this.data[access] = value;\n        return this;\n      };\n\n      _proto.get = function get(key) {\n        var access = key[this.vdata]; // we have data, return it\n\n        if (access) {\n          return this.data[access];\n        } // we don't have data, return nothing.\n        // return undefined explicitly as that's the contract for this method\n\n\n        log('We have no data for this element', key);\n        return undefined;\n      };\n\n      _proto.has = function has(key) {\n        var access = key[this.vdata];\n        return access in this.data;\n      };\n\n      _proto[\"delete\"] = function _delete(key) {\n        var access = key[this.vdata];\n\n        if (access) {\n          delete this.data[access];\n          delete key[this.vdata];\n        }\n      };\n\n      return FakeWeakMap;\n    }();\n  }\n  /**\n   * Element Data Store.\n   *\n   * Allows for binding data to an element without putting it directly on the\n   * element. Ex. Event listeners are stored here.\n   * (also from jsninja.com, slightly modified and updated for closure compiler)\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  var DomData = window$3.WeakMap ? new WeakMap() : new FakeWeakMap();\n\n  /**\n   * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)\n   * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)\n   * This should work very similarly to jQuery's events, however it's based off the book version which isn't as\n   * robust as jquery's, so there's probably some differences.\n   *\n   * @file events.js\n   * @module events\n   */\n  /**\n   * Clean up the listener cache and dispatchers\n   *\n   * @param {Element|Object} elem\n   *        Element to clean up\n   *\n   * @param {string} type\n   *        Type of event to clean up\n   */\n\n  function _cleanUpEvents(elem, type) {\n    if (!DomData.has(elem)) {\n      return;\n    }\n\n    var data = DomData.get(elem); // Remove the events of a particular type if there are none left\n\n    if (data.handlers[type].length === 0) {\n      delete data.handlers[type]; // data.handlers[type] = null;\n      // Setting to null was causing an error with data.handlers\n      // Remove the meta-handler from the element\n\n      if (elem.removeEventListener) {\n        elem.removeEventListener(type, data.dispatcher, false);\n      } else if (elem.detachEvent) {\n        elem.detachEvent('on' + type, data.dispatcher);\n      }\n    } // Remove the events object if there are no types left\n\n\n    if (Object.getOwnPropertyNames(data.handlers).length <= 0) {\n      delete data.handlers;\n      delete data.dispatcher;\n      delete data.disabled;\n    } // Finally remove the element data if there is no data left\n\n\n    if (Object.getOwnPropertyNames(data).length === 0) {\n      DomData[\"delete\"](elem);\n    }\n  }\n  /**\n   * Loops through an array of event types and calls the requested method for each type.\n   *\n   * @param {Function} fn\n   *        The event method we want to use.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind listeners to\n   *\n   * @param {string} type\n   *        Type of event to bind to.\n   *\n   * @param {EventTarget~EventListener} callback\n   *        Event listener.\n   */\n\n\n  function _handleMultipleEvents(fn, elem, types, callback) {\n    types.forEach(function (type) {\n      // Call the event method for each one of the types\n      fn(elem, type, callback);\n    });\n  }\n  /**\n   * Fix a native event to have standard property values\n   *\n   * @param {Object} event\n   *        Event object to fix.\n   *\n   * @return {Object}\n   *         Fixed event object.\n   */\n\n\n  function fixEvent(event) {\n    if (event.fixed_) {\n      return event;\n    }\n\n    function returnTrue() {\n      return true;\n    }\n\n    function returnFalse() {\n      return false;\n    } // Test if fixing up is needed\n    // Used to check if !event.stopPropagation instead of isPropagationStopped\n    // But native events return true for stopPropagation, but don't have\n    // other expected methods like isPropagationStopped. Seems to be a problem\n    // with the Javascript Ninja code. So we're just overriding all events now.\n\n\n    if (!event || !event.isPropagationStopped) {\n      var old = event || window$3.event;\n      event = {}; // Clone the old object so that we can modify the values event = {};\n      // IE8 Doesn't like when you mess with native event properties\n      // Firefox returns false for event.hasOwnProperty('type') and other props\n      //  which makes copying more difficult.\n      // TODO: Probably best to create a whitelist of event props\n\n      for (var key in old) {\n        // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y\n        // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation\n        // and webkitMovementX/Y\n        if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {\n          // Chrome 32+ warns if you try to copy deprecated returnValue, but\n          // we still want to if preventDefault isn't supported (IE8).\n          if (!(key === 'returnValue' && old.preventDefault)) {\n            event[key] = old[key];\n          }\n        }\n      } // The event occurred on this element\n\n\n      if (!event.target) {\n        event.target = event.srcElement || document;\n      } // Handle which other element the event is related to\n\n\n      if (!event.relatedTarget) {\n        event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;\n      } // Stop the default browser action\n\n\n      event.preventDefault = function () {\n        if (old.preventDefault) {\n          old.preventDefault();\n        }\n\n        event.returnValue = false;\n        old.returnValue = false;\n        event.defaultPrevented = true;\n      };\n\n      event.defaultPrevented = false; // Stop the event from bubbling\n\n      event.stopPropagation = function () {\n        if (old.stopPropagation) {\n          old.stopPropagation();\n        }\n\n        event.cancelBubble = true;\n        old.cancelBubble = true;\n        event.isPropagationStopped = returnTrue;\n      };\n\n      event.isPropagationStopped = returnFalse; // Stop the event from bubbling and executing other handlers\n\n      event.stopImmediatePropagation = function () {\n        if (old.stopImmediatePropagation) {\n          old.stopImmediatePropagation();\n        }\n\n        event.isImmediatePropagationStopped = returnTrue;\n        event.stopPropagation();\n      };\n\n      event.isImmediatePropagationStopped = returnFalse; // Handle mouse position\n\n      if (event.clientX !== null && event.clientX !== undefined) {\n        var doc = document.documentElement;\n        var body = document.body;\n        event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);\n        event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);\n      } // Handle key presses\n\n\n      event.which = event.charCode || event.keyCode; // Fix button for mouse clicks:\n      // 0 == left; 1 == middle; 2 == right\n\n      if (event.button !== null && event.button !== undefined) {\n        // The following is disabled because it does not pass videojs-standard\n        // and... yikes.\n\n        /* eslint-disable */\n        event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;\n        /* eslint-enable */\n      }\n    }\n\n    event.fixed_ = true; // Returns fixed-up instance\n\n    return event;\n  }\n  /**\n   * Whether passive event listeners are supported\n   */\n\n  var _supportsPassive;\n\n  var supportsPassive = function supportsPassive() {\n    if (typeof _supportsPassive !== 'boolean') {\n      _supportsPassive = false;\n\n      try {\n        var opts = Object.defineProperty({}, 'passive', {\n          get: function get() {\n            _supportsPassive = true;\n          }\n        });\n        window$3.addEventListener('test', null, opts);\n        window$3.removeEventListener('test', null, opts);\n      } catch (e) {// disregard\n      }\n    }\n\n    return _supportsPassive;\n  };\n  /**\n   * Touch events Chrome expects to be passive\n   */\n\n\n  var passiveEvents = ['touchstart', 'touchmove'];\n  /**\n   * Add an event listener to element\n   * It stores the handler function in a separate cache object\n   * and adds a generic handler to the element's event,\n   * along with a unique id (guid) to the element.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind listeners to\n   *\n   * @param {string|string[]} type\n   *        Type of event to bind to.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        Event listener.\n   */\n\n  function on(elem, type, fn) {\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(on, elem, type, fn);\n    }\n\n    if (!DomData.has(elem)) {\n      DomData.set(elem, {});\n    }\n\n    var data = DomData.get(elem); // We need a place to store all our handler data\n\n    if (!data.handlers) {\n      data.handlers = {};\n    }\n\n    if (!data.handlers[type]) {\n      data.handlers[type] = [];\n    }\n\n    if (!fn.guid) {\n      fn.guid = newGUID();\n    }\n\n    data.handlers[type].push(fn);\n\n    if (!data.dispatcher) {\n      data.disabled = false;\n\n      data.dispatcher = function (event, hash) {\n        if (data.disabled) {\n          return;\n        }\n\n        event = fixEvent(event);\n        var handlers = data.handlers[event.type];\n\n        if (handlers) {\n          // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.\n          var handlersCopy = handlers.slice(0);\n\n          for (var m = 0, n = handlersCopy.length; m < n; m++) {\n            if (event.isImmediatePropagationStopped()) {\n              break;\n            } else {\n              try {\n                handlersCopy[m].call(elem, event, hash);\n              } catch (e) {\n                log.error(e);\n              }\n            }\n          }\n        }\n      };\n    }\n\n    if (data.handlers[type].length === 1) {\n      if (elem.addEventListener) {\n        var options = false;\n\n        if (supportsPassive() && passiveEvents.indexOf(type) > -1) {\n          options = {\n            passive: true\n          };\n        }\n\n        elem.addEventListener(type, data.dispatcher, options);\n      } else if (elem.attachEvent) {\n        elem.attachEvent('on' + type, data.dispatcher);\n      }\n    }\n  }\n  /**\n   * Removes event listeners from an element\n   *\n   * @param {Element|Object} elem\n   *        Object to remove listeners from.\n   *\n   * @param {string|string[]} [type]\n   *        Type of listener to remove. Don't include to remove all events from element.\n   *\n   * @param {EventTarget~EventListener} [fn]\n   *        Specific listener to remove. Don't include to remove listeners for an event\n   *        type.\n   */\n\n  function off(elem, type, fn) {\n    // Don't want to add a cache object through getElData if not needed\n    if (!DomData.has(elem)) {\n      return;\n    }\n\n    var data = DomData.get(elem); // If no events exist, nothing to unbind\n\n    if (!data.handlers) {\n      return;\n    }\n\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(off, elem, type, fn);\n    } // Utility function\n\n\n    var removeType = function removeType(el, t) {\n      data.handlers[t] = [];\n\n      _cleanUpEvents(el, t);\n    }; // Are we removing all bound events?\n\n\n    if (type === undefined) {\n      for (var t in data.handlers) {\n        if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {\n          removeType(elem, t);\n        }\n      }\n\n      return;\n    }\n\n    var handlers = data.handlers[type]; // If no handlers exist, nothing to unbind\n\n    if (!handlers) {\n      return;\n    } // If no listener was provided, remove all listeners for type\n\n\n    if (!fn) {\n      removeType(elem, type);\n      return;\n    } // We're only removing a single handler\n\n\n    if (fn.guid) {\n      for (var n = 0; n < handlers.length; n++) {\n        if (handlers[n].guid === fn.guid) {\n          handlers.splice(n--, 1);\n        }\n      }\n    }\n\n    _cleanUpEvents(elem, type);\n  }\n  /**\n   * Trigger an event for an element\n   *\n   * @param {Element|Object} elem\n   *        Element to trigger an event on\n   *\n   * @param {EventTarget~Event|string} event\n   *        A string (the type) or an event object with a type attribute\n   *\n   * @param {Object} [hash]\n   *        data hash to pass along with the event\n   *\n   * @return {boolean|undefined}\n   *         Returns the opposite of `defaultPrevented` if default was\n   *         prevented. Otherwise, returns `undefined`\n   */\n\n  function trigger(elem, event, hash) {\n    // Fetches element data and a reference to the parent (for bubbling).\n    // Don't want to add a data object to cache for every parent,\n    // so checking hasElData first.\n    var elemData = DomData.has(elem) ? DomData.get(elem) : {};\n    var parent = elem.parentNode || elem.ownerDocument; // type = event.type || event,\n    // handler;\n    // If an event name was passed as a string, creates an event out of it\n\n    if (typeof event === 'string') {\n      event = {\n        type: event,\n        target: elem\n      };\n    } else if (!event.target) {\n      event.target = elem;\n    } // Normalizes the event properties.\n\n\n    event = fixEvent(event); // If the passed element has a dispatcher, executes the established handlers.\n\n    if (elemData.dispatcher) {\n      elemData.dispatcher.call(elem, event, hash);\n    } // Unless explicitly stopped or the event does not bubble (e.g. media events)\n    // recursively calls this function to bubble the event up the DOM.\n\n\n    if (parent && !event.isPropagationStopped() && event.bubbles === true) {\n      trigger.call(null, parent, event, hash); // If at the top of the DOM, triggers the default action unless disabled.\n    } else if (!parent && !event.defaultPrevented && event.target && event.target[event.type]) {\n      if (!DomData.has(event.target)) {\n        DomData.set(event.target, {});\n      }\n\n      var targetData = DomData.get(event.target); // Checks if the target has a default action for this event.\n\n      if (event.target[event.type]) {\n        // Temporarily disables event dispatching on the target as we have already executed the handler.\n        targetData.disabled = true; // Executes the default action.\n\n        if (typeof event.target[event.type] === 'function') {\n          event.target[event.type]();\n        } // Re-enables event dispatching.\n\n\n        targetData.disabled = false;\n      }\n    } // Inform the triggerer if the default was prevented by returning false\n\n\n    return !event.defaultPrevented;\n  }\n  /**\n   * Trigger a listener only once for an event.\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind to.\n   *\n   * @param {string|string[]} type\n   *        Name/type of event\n   *\n   * @param {Event~EventListener} fn\n   *        Event listener function\n   */\n\n  function one(elem, type, fn) {\n    if (Array.isArray(type)) {\n      return _handleMultipleEvents(one, elem, type, fn);\n    }\n\n    var func = function func() {\n      off(elem, type, func);\n      fn.apply(this, arguments);\n    }; // copy the guid to the new function so it can removed using the original function's ID\n\n\n    func.guid = fn.guid = fn.guid || newGUID();\n    on(elem, type, func);\n  }\n  /**\n   * Trigger a listener only once and then turn if off for all\n   * configured events\n   *\n   * @param {Element|Object} elem\n   *        Element or object to bind to.\n   *\n   * @param {string|string[]} type\n   *        Name/type of event\n   *\n   * @param {Event~EventListener} fn\n   *        Event listener function\n   */\n\n  function any(elem, type, fn) {\n    var func = function func() {\n      off(elem, type, func);\n      fn.apply(this, arguments);\n    }; // copy the guid to the new function so it can removed using the original function's ID\n\n\n    func.guid = fn.guid = fn.guid || newGUID(); // multiple ons, but one off for everything\n\n    on(elem, type, func);\n  }\n\n  var Events = /*#__PURE__*/Object.freeze({\n    fixEvent: fixEvent,\n    on: on,\n    off: off,\n    trigger: trigger,\n    one: one,\n    any: any\n  });\n\n  /**\n   * @file fn.js\n   * @module fn\n   */\n  var UPDATE_REFRESH_INTERVAL = 30;\n  /**\n   * Bind (a.k.a proxy or context). A simple method for changing the context of\n   * a function.\n   *\n   * It also stores a unique id on the function so it can be easily removed from\n   * events.\n   *\n   * @function\n   * @param    {Mixed} context\n   *           The object to bind as scope.\n   *\n   * @param    {Function} fn\n   *           The function to be bound to a scope.\n   *\n   * @param    {number} [uid]\n   *           An optional unique ID for the function to be set\n   *\n   * @return   {Function}\n   *           The new function that will be bound into the context given\n   */\n\n  var bind = function bind(context, fn, uid) {\n    // Make sure the function has a unique ID\n    if (!fn.guid) {\n      fn.guid = newGUID();\n    } // Create the new function that changes the context\n\n\n    var bound = fn.bind(context); // Allow for the ability to individualize this function\n    // Needed in the case where multiple objects might share the same prototype\n    // IF both items add an event listener with the same function, then you try to remove just one\n    // it will remove both because they both have the same guid.\n    // when using this, you need to use the bind method when you remove the listener as well.\n    // currently used in text tracks\n\n    bound.guid = uid ? uid + '_' + fn.guid : fn.guid;\n    return bound;\n  };\n  /**\n   * Wraps the given function, `fn`, with a new function that only invokes `fn`\n   * at most once per every `wait` milliseconds.\n   *\n   * @function\n   * @param    {Function} fn\n   *           The function to be throttled.\n   *\n   * @param    {number}   wait\n   *           The number of milliseconds by which to throttle.\n   *\n   * @return   {Function}\n   */\n\n  var throttle = function throttle(fn, wait) {\n    var last = window$3.performance.now();\n\n    var throttled = function throttled() {\n      var now = window$3.performance.now();\n\n      if (now - last >= wait) {\n        fn.apply(void 0, arguments);\n        last = now;\n      }\n    };\n\n    return throttled;\n  };\n  /**\n   * Creates a debounced function that delays invoking `func` until after `wait`\n   * milliseconds have elapsed since the last time the debounced function was\n   * invoked.\n   *\n   * Inspired by lodash and underscore implementations.\n   *\n   * @function\n   * @param    {Function} func\n   *           The function to wrap with debounce behavior.\n   *\n   * @param    {number} wait\n   *           The number of milliseconds to wait after the last invocation.\n   *\n   * @param    {boolean} [immediate]\n   *           Whether or not to invoke the function immediately upon creation.\n   *\n   * @param    {Object} [context=window]\n   *           The \"context\" in which the debounced function should debounce. For\n   *           example, if this function should be tied to a Video.js player,\n   *           the player can be passed here. Alternatively, defaults to the\n   *           global `window` object.\n   *\n   * @return   {Function}\n   *           A debounced function.\n   */\n\n  var debounce = function debounce(func, wait, immediate, context) {\n    if (context === void 0) {\n      context = window$3;\n    }\n\n    var timeout;\n\n    var cancel = function cancel() {\n      context.clearTimeout(timeout);\n      timeout = null;\n    };\n    /* eslint-disable consistent-this */\n\n\n    var debounced = function debounced() {\n      var self = this;\n      var args = arguments;\n\n      var _later = function later() {\n        timeout = null;\n        _later = null;\n\n        if (!immediate) {\n          func.apply(self, args);\n        }\n      };\n\n      if (!timeout && immediate) {\n        func.apply(self, args);\n      }\n\n      context.clearTimeout(timeout);\n      timeout = context.setTimeout(_later, wait);\n    };\n    /* eslint-enable consistent-this */\n\n\n    debounced.cancel = cancel;\n    return debounced;\n  };\n\n  /**\n   * @file src/js/event-target.js\n   */\n  /**\n   * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It\n   * adds shorthand functions that wrap around lengthy functions. For example:\n   * the `on` function is a wrapper around `addEventListener`.\n   *\n   * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}\n   * @class EventTarget\n   */\n\n  var EventTarget = function EventTarget() {};\n  /**\n   * A Custom DOM event.\n   *\n   * @typedef {Object} EventTarget~Event\n   * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}\n   */\n\n  /**\n   * All event listeners should follow the following format.\n   *\n   * @callback EventTarget~EventListener\n   * @this {EventTarget}\n   *\n   * @param {EventTarget~Event} event\n   *        the event that triggered this function\n   *\n   * @param {Object} [hash]\n   *        hash of data sent during the event\n   */\n\n  /**\n   * An object containing event names as keys and booleans as values.\n   *\n   * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}\n   *         will have extra functionality. See that function for more information.\n   *\n   * @property EventTarget.prototype.allowedEvents_\n   * @private\n   */\n\n\n  EventTarget.prototype.allowedEvents_ = {};\n  /**\n   * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a\n   * function that will get called when an event with a certain name gets triggered.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to call with `EventTarget`s\n   */\n\n  EventTarget.prototype.on = function (type, fn) {\n    // Remove the addEventListener alias before calling Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    on(this, type, fn);\n    this.addEventListener = ael;\n  };\n  /**\n   * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#on}\n   */\n\n\n  EventTarget.prototype.addEventListener = EventTarget.prototype.on;\n  /**\n   * Removes an `event listener` for a specific event from an instance of `EventTarget`.\n   * This makes it so that the `event listener` will no longer get called when the\n   * named event happens.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to remove.\n   */\n\n  EventTarget.prototype.off = function (type, fn) {\n    off(this, type, fn);\n  };\n  /**\n   * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#off}\n   */\n\n\n  EventTarget.prototype.removeEventListener = EventTarget.prototype.off;\n  /**\n   * This function will add an `event listener` that gets triggered only once. After the\n   * first trigger it will get removed. This is like adding an `event listener`\n   * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.\n   *\n   * @param {string|string[]} type\n   *        An event name or an array of event names.\n   *\n   * @param {EventTarget~EventListener} fn\n   *        The function to be called once for each event name.\n   */\n\n  EventTarget.prototype.one = function (type, fn) {\n    // Remove the addEventListener aliasing Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    one(this, type, fn);\n    this.addEventListener = ael;\n  };\n\n  EventTarget.prototype.any = function (type, fn) {\n    // Remove the addEventListener aliasing Events.on\n    // so we don't get into an infinite type loop\n    var ael = this.addEventListener;\n\n    this.addEventListener = function () {};\n\n    any(this, type, fn);\n    this.addEventListener = ael;\n  };\n  /**\n   * This function causes an event to happen. This will then cause any `event listeners`\n   * that are waiting for that event, to get called. If there are no `event listeners`\n   * for an event then nothing will happen.\n   *\n   * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.\n   * Trigger will also call the `on` + `uppercaseEventName` function.\n   *\n   * Example:\n   * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call\n   * `onClick` if it exists.\n   *\n   * @param {string|EventTarget~Event|Object} event\n   *        The name of the event, an `Event`, or an object with a key of type set to\n   *        an event name.\n   */\n\n\n  EventTarget.prototype.trigger = function (event) {\n    var type = event.type || event; // deprecation\n    // In a future version we should default target to `this`\n    // similar to how we default the target to `elem` in\n    // `Events.trigger`. Right now the default `target` will be\n    // `document` due to the `Event.fixEvent` call.\n\n    if (typeof event === 'string') {\n      event = {\n        type: type\n      };\n    }\n\n    event = fixEvent(event);\n\n    if (this.allowedEvents_[type] && this['on' + type]) {\n      this['on' + type](event);\n    }\n\n    trigger(this, event);\n  };\n  /**\n   * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic\n   * the standard DOM API.\n   *\n   * @function\n   * @see {@link EventTarget#trigger}\n   */\n\n\n  EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;\n  var EVENT_MAP;\n\n  EventTarget.prototype.queueTrigger = function (event) {\n    var _this = this;\n\n    // only set up EVENT_MAP if it'll be used\n    if (!EVENT_MAP) {\n      EVENT_MAP = new Map();\n    }\n\n    var type = event.type || event;\n    var map = EVENT_MAP.get(this);\n\n    if (!map) {\n      map = new Map();\n      EVENT_MAP.set(this, map);\n    }\n\n    var oldTimeout = map.get(type);\n    map[\"delete\"](type);\n    window$3.clearTimeout(oldTimeout);\n    var timeout = window$3.setTimeout(function () {\n      // if we cleared out all timeouts for the current target, delete its map\n      if (map.size === 0) {\n        map = null;\n        EVENT_MAP[\"delete\"](_this);\n      }\n\n      _this.trigger(event);\n    }, 0);\n    map.set(type, timeout);\n  };\n\n  /**\n   * @file mixins/evented.js\n   * @module evented\n   */\n  /**\n   * Returns whether or not an object has had the evented mixin applied.\n   *\n   * @param  {Object} object\n   *         An object to test.\n   *\n   * @return {boolean}\n   *         Whether or not the object appears to be evented.\n   */\n\n  var isEvented = function isEvented(object) {\n    return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {\n      return typeof object[k] === 'function';\n    });\n  };\n  /**\n   * Adds a callback to run after the evented mixin applied.\n   *\n   * @param  {Object} object\n   *         An object to Add\n   * @param  {Function} callback\n   *         The callback to run.\n   */\n\n\n  var addEventedCallback = function addEventedCallback(target, callback) {\n    if (isEvented(target)) {\n      callback();\n    } else {\n      if (!target.eventedCallbacks) {\n        target.eventedCallbacks = [];\n      }\n\n      target.eventedCallbacks.push(callback);\n    }\n  };\n  /**\n   * Whether a value is a valid event type - non-empty string or array.\n   *\n   * @private\n   * @param  {string|Array} type\n   *         The type value to test.\n   *\n   * @return {boolean}\n   *         Whether or not the type is a valid event type.\n   */\n\n\n  var isValidEventType = function isValidEventType(type) {\n    return (// The regex here verifies that the `type` contains at least one non-\n      // whitespace character.\n      typeof type === 'string' && /\\S/.test(type) || Array.isArray(type) && !!type.length\n    );\n  };\n  /**\n   * Validates a value to determine if it is a valid event target. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the target does not appear to be a valid event target.\n   *\n   * @param  {Object} target\n   *         The object to test.\n   */\n\n\n  var validateTarget = function validateTarget(target) {\n    if (!target.nodeName && !isEvented(target)) {\n      throw new Error('Invalid target; must be a DOM node or evented object.');\n    }\n  };\n  /**\n   * Validates a value to determine if it is a valid event target. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the type does not appear to be a valid event type.\n   *\n   * @param  {string|Array} type\n   *         The type to test.\n   */\n\n\n  var validateEventType = function validateEventType(type) {\n    if (!isValidEventType(type)) {\n      throw new Error('Invalid event type; must be a non-empty string or array.');\n    }\n  };\n  /**\n   * Validates a value to determine if it is a valid listener. Throws if not.\n   *\n   * @private\n   * @throws {Error}\n   *         If the listener is not a function.\n   *\n   * @param  {Function} listener\n   *         The listener to test.\n   */\n\n\n  var validateListener = function validateListener(listener) {\n    if (typeof listener !== 'function') {\n      throw new Error('Invalid listener; must be a function.');\n    }\n  };\n  /**\n   * Takes an array of arguments given to `on()` or `one()`, validates them, and\n   * normalizes them into an object.\n   *\n   * @private\n   * @param  {Object} self\n   *         The evented object on which `on()` or `one()` was called. This\n   *         object will be bound as the `this` value for the listener.\n   *\n   * @param  {Array} args\n   *         An array of arguments passed to `on()` or `one()`.\n   *\n   * @return {Object}\n   *         An object containing useful values for `on()` or `one()` calls.\n   */\n\n\n  var normalizeListenArgs = function normalizeListenArgs(self, args) {\n    // If the number of arguments is less than 3, the target is always the\n    // evented object itself.\n    var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;\n    var target;\n    var type;\n    var listener;\n\n    if (isTargetingSelf) {\n      target = self.eventBusEl_; // Deal with cases where we got 3 arguments, but we are still listening to\n      // the evented object itself.\n\n      if (args.length >= 3) {\n        args.shift();\n      }\n\n      type = args[0];\n      listener = args[1];\n    } else {\n      target = args[0];\n      type = args[1];\n      listener = args[2];\n    }\n\n    validateTarget(target);\n    validateEventType(type);\n    validateListener(listener);\n    listener = bind(self, listener);\n    return {\n      isTargetingSelf: isTargetingSelf,\n      target: target,\n      type: type,\n      listener: listener\n    };\n  };\n  /**\n   * Adds the listener to the event type(s) on the target, normalizing for\n   * the type of target.\n   *\n   * @private\n   * @param  {Element|Object} target\n   *         A DOM node or evented object.\n   *\n   * @param  {string} method\n   *         The event binding method to use (\"on\" or \"one\").\n   *\n   * @param  {string|Array} type\n   *         One or more event type(s).\n   *\n   * @param  {Function} listener\n   *         A listener function.\n   */\n\n\n  var listen = function listen(target, method, type, listener) {\n    validateTarget(target);\n\n    if (target.nodeName) {\n      Events[method](target, type, listener);\n    } else {\n      target[method](type, listener);\n    }\n  };\n  /**\n   * Contains methods that provide event capabilities to an object which is passed\n   * to {@link module:evented|evented}.\n   *\n   * @mixin EventedMixin\n   */\n\n\n  var EventedMixin = {\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    on: function on() {\n      var _this = this;\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var _normalizeListenArgs = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs.isTargetingSelf,\n          target = _normalizeListenArgs.target,\n          type = _normalizeListenArgs.type,\n          listener = _normalizeListenArgs.listener;\n\n      listen(target, 'on', type, listener); // If this object is listening to another evented object.\n\n      if (!isTargetingSelf) {\n        // If this object is disposed, remove the listener.\n        var removeListenerOnDispose = function removeListenerOnDispose() {\n          return _this.off(target, type, listener);\n        }; // Use the same function ID as the listener so we can remove it later it\n        // using the ID of the original listener.\n\n\n        removeListenerOnDispose.guid = listener.guid; // Add a listener to the target's dispose event as well. This ensures\n        // that if the target is disposed BEFORE this object, we remove the\n        // removal listener that was just added. Otherwise, we create a memory leak.\n\n        var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {\n          return _this.off('dispose', removeListenerOnDispose);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        removeRemoverOnTargetDispose.guid = listener.guid;\n        listen(this, 'on', 'dispose', removeListenerOnDispose);\n        listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);\n      }\n    },\n\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object. The listener will be called once per event and then removed.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    one: function one() {\n      var _this2 = this;\n\n      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n        args[_key2] = arguments[_key2];\n      }\n\n      var _normalizeListenArgs2 = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,\n          target = _normalizeListenArgs2.target,\n          type = _normalizeListenArgs2.type,\n          listener = _normalizeListenArgs2.listener; // Targeting this evented object.\n\n\n      if (isTargetingSelf) {\n        listen(target, 'one', type, listener); // Targeting another evented object.\n      } else {\n        // TODO: This wrapper is incorrect! It should only\n        //       remove the wrapper for the event type that called it.\n        //       Instead all listners are removed on the first trigger!\n        //       see https://github.com/videojs/video.js/issues/5962\n        var wrapper = function wrapper() {\n          _this2.off(target, type, wrapper);\n\n          for (var _len3 = arguments.length, largs = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {\n            largs[_key3] = arguments[_key3];\n          }\n\n          listener.apply(null, largs);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        wrapper.guid = listener.guid;\n        listen(target, 'one', type, wrapper);\n      }\n    },\n\n    /**\n     * Add a listener to an event (or events) on this object or another evented\n     * object. The listener will only be called once for the first event that is triggered\n     * then removed.\n     *\n     * @param  {string|Array|Element|Object} targetOrType\n     *         If this is a string or array, it represents the event type(s)\n     *         that will trigger the listener.\n     *\n     *         Another evented object can be passed here instead, which will\n     *         cause the listener to listen for events on _that_ object.\n     *\n     *         In either case, the listener's `this` value will be bound to\n     *         this object.\n     *\n     * @param  {string|Array|Function} typeOrListener\n     *         If the first argument was a string or array, this should be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function.\n     */\n    any: function any() {\n      var _this3 = this;\n\n      for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) {\n        args[_key4] = arguments[_key4];\n      }\n\n      var _normalizeListenArgs3 = normalizeListenArgs(this, args),\n          isTargetingSelf = _normalizeListenArgs3.isTargetingSelf,\n          target = _normalizeListenArgs3.target,\n          type = _normalizeListenArgs3.type,\n          listener = _normalizeListenArgs3.listener; // Targeting this evented object.\n\n\n      if (isTargetingSelf) {\n        listen(target, 'any', type, listener); // Targeting another evented object.\n      } else {\n        var wrapper = function wrapper() {\n          _this3.off(target, type, wrapper);\n\n          for (var _len5 = arguments.length, largs = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {\n            largs[_key5] = arguments[_key5];\n          }\n\n          listener.apply(null, largs);\n        }; // Use the same function ID as the listener so we can remove it later\n        // it using the ID of the original listener.\n\n\n        wrapper.guid = listener.guid;\n        listen(target, 'any', type, wrapper);\n      }\n    },\n\n    /**\n     * Removes listener(s) from event(s) on an evented object.\n     *\n     * @param  {string|Array|Element|Object} [targetOrType]\n     *         If this is a string or array, it represents the event type(s).\n     *\n     *         Another evented object can be passed here instead, in which case\n     *         ALL 3 arguments are _required_.\n     *\n     * @param  {string|Array|Function} [typeOrListener]\n     *         If the first argument was a string or array, this may be the\n     *         listener function. Otherwise, this is a string or array of event\n     *         type(s).\n     *\n     * @param  {Function} [listener]\n     *         If the first argument was another evented object, this will be\n     *         the listener function; otherwise, _all_ listeners bound to the\n     *         event type(s) will be removed.\n     */\n    off: function off$1(targetOrType, typeOrListener, listener) {\n      // Targeting this evented object.\n      if (!targetOrType || isValidEventType(targetOrType)) {\n        off(this.eventBusEl_, targetOrType, typeOrListener); // Targeting another evented object.\n      } else {\n        var target = targetOrType;\n        var type = typeOrListener; // Fail fast and in a meaningful way!\n\n        validateTarget(target);\n        validateEventType(type);\n        validateListener(listener); // Ensure there's at least a guid, even if the function hasn't been used\n\n        listener = bind(this, listener); // Remove the dispose listener on this evented object, which was given\n        // the same guid as the event listener in on().\n\n        this.off('dispose', listener);\n\n        if (target.nodeName) {\n          off(target, type, listener);\n          off(target, 'dispose', listener);\n        } else if (isEvented(target)) {\n          target.off(type, listener);\n          target.off('dispose', listener);\n        }\n      }\n    },\n\n    /**\n     * Fire an event on this evented object, causing its listeners to be called.\n     *\n     * @param   {string|Object} event\n     *          An event type or an object with a type property.\n     *\n     * @param   {Object} [hash]\n     *          An additional object to pass along to listeners.\n     *\n     * @return {boolean}\n     *          Whether or not the default behavior was prevented.\n     */\n    trigger: function trigger$1(event, hash) {\n      return trigger(this.eventBusEl_, event, hash);\n    }\n  };\n  /**\n   * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.\n   *\n   * @param  {Object} target\n   *         The object to which to add event methods.\n   *\n   * @param  {Object} [options={}]\n   *         Options for customizing the mixin behavior.\n   *\n   * @param  {string} [options.eventBusKey]\n   *         By default, adds a `eventBusEl_` DOM element to the target object,\n   *         which is used as an event bus. If the target object already has a\n   *         DOM element that should be used, pass its key here.\n   *\n   * @return {Object}\n   *         The target object.\n   */\n\n  function evented(target, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var _options = options,\n        eventBusKey = _options.eventBusKey; // Set or create the eventBusEl_.\n\n    if (eventBusKey) {\n      if (!target[eventBusKey].nodeName) {\n        throw new Error(\"The eventBusKey \\\"\" + eventBusKey + \"\\\" does not refer to an element.\");\n      }\n\n      target.eventBusEl_ = target[eventBusKey];\n    } else {\n      target.eventBusEl_ = createEl('span', {\n        className: 'vjs-event-bus'\n      });\n    }\n\n    assign(target, EventedMixin);\n\n    if (target.eventedCallbacks) {\n      target.eventedCallbacks.forEach(function (callback) {\n        callback();\n      });\n    } // When any evented object is disposed, it removes all its listeners.\n\n\n    target.on('dispose', function () {\n      target.off();\n      window$3.setTimeout(function () {\n        target.eventBusEl_ = null;\n      }, 0);\n    });\n    return target;\n  }\n\n  /**\n   * @file mixins/stateful.js\n   * @module stateful\n   */\n  /**\n   * Contains methods that provide statefulness to an object which is passed\n   * to {@link module:stateful}.\n   *\n   * @mixin StatefulMixin\n   */\n\n  var StatefulMixin = {\n    /**\n     * A hash containing arbitrary keys and values representing the state of\n     * the object.\n     *\n     * @type {Object}\n     */\n    state: {},\n\n    /**\n     * Set the state of an object by mutating its\n     * {@link module:stateful~StatefulMixin.state|state} object in place.\n     *\n     * @fires   module:stateful~StatefulMixin#statechanged\n     * @param   {Object|Function} stateUpdates\n     *          A new set of properties to shallow-merge into the plugin state.\n     *          Can be a plain object or a function returning a plain object.\n     *\n     * @return {Object|undefined}\n     *          An object containing changes that occurred. If no changes\n     *          occurred, returns `undefined`.\n     */\n    setState: function setState(stateUpdates) {\n      var _this = this;\n\n      // Support providing the `stateUpdates` state as a function.\n      if (typeof stateUpdates === 'function') {\n        stateUpdates = stateUpdates();\n      }\n\n      var changes;\n      each(stateUpdates, function (value, key) {\n        // Record the change if the value is different from what's in the\n        // current state.\n        if (_this.state[key] !== value) {\n          changes = changes || {};\n          changes[key] = {\n            from: _this.state[key],\n            to: value\n          };\n        }\n\n        _this.state[key] = value;\n      }); // Only trigger \"statechange\" if there were changes AND we have a trigger\n      // function. This allows us to not require that the target object be an\n      // evented object.\n\n      if (changes && isEvented(this)) {\n        /**\n         * An event triggered on an object that is both\n         * {@link module:stateful|stateful} and {@link module:evented|evented}\n         * indicating that its state has changed.\n         *\n         * @event    module:stateful~StatefulMixin#statechanged\n         * @type     {Object}\n         * @property {Object} changes\n         *           A hash containing the properties that were changed and\n         *           the values they were changed `from` and `to`.\n         */\n        this.trigger({\n          changes: changes,\n          type: 'statechanged'\n        });\n      }\n\n      return changes;\n    }\n  };\n  /**\n   * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target\n   * object.\n   *\n   * If the target object is {@link module:evented|evented} and has a\n   * `handleStateChanged` method, that method will be automatically bound to the\n   * `statechanged` event on itself.\n   *\n   * @param   {Object} target\n   *          The object to be made stateful.\n   *\n   * @param   {Object} [defaultState]\n   *          A default set of properties to populate the newly-stateful object's\n   *          `state` property.\n   *\n   * @return {Object}\n   *          Returns the `target`.\n   */\n\n  function stateful(target, defaultState) {\n    assign(target, StatefulMixin); // This happens after the mixing-in because we need to replace the `state`\n    // added in that step.\n\n    target.state = assign({}, target.state, defaultState); // Auto-bind the `handleStateChanged` method of the target object if it exists.\n\n    if (typeof target.handleStateChanged === 'function' && isEvented(target)) {\n      target.on('statechanged', target.handleStateChanged);\n    }\n\n    return target;\n  }\n\n  /**\n   * @file string-cases.js\n   * @module to-lower-case\n   */\n\n  /**\n   * Lowercase the first letter of a string.\n   *\n   * @param {string} string\n   *        String to be lowercased\n   *\n   * @return {string}\n   *         The string with a lowercased first letter\n   */\n  var toLowerCase = function toLowerCase(string) {\n    if (typeof string !== 'string') {\n      return string;\n    }\n\n    return string.replace(/./, function (w) {\n      return w.toLowerCase();\n    });\n  };\n  /**\n   * Uppercase the first letter of a string.\n   *\n   * @param {string} string\n   *        String to be uppercased\n   *\n   * @return {string}\n   *         The string with an uppercased first letter\n   */\n\n  var toTitleCase = function toTitleCase(string) {\n    if (typeof string !== 'string') {\n      return string;\n    }\n\n    return string.replace(/./, function (w) {\n      return w.toUpperCase();\n    });\n  };\n  /**\n   * Compares the TitleCase versions of the two strings for equality.\n   *\n   * @param {string} str1\n   *        The first string to compare\n   *\n   * @param {string} str2\n   *        The second string to compare\n   *\n   * @return {boolean}\n   *         Whether the TitleCase versions of the strings are equal\n   */\n\n  var titleCaseEquals = function titleCaseEquals(str1, str2) {\n    return toTitleCase(str1) === toTitleCase(str2);\n  };\n\n  /**\n   * @file merge-options.js\n   * @module merge-options\n   */\n  /**\n   * Merge two objects recursively.\n   *\n   * Performs a deep merge like\n   * {@link https://lodash.com/docs/4.17.10#merge|lodash.merge}, but only merges\n   * plain objects (not arrays, elements, or anything else).\n   *\n   * Non-plain object values will be copied directly from the right-most\n   * argument.\n   *\n   * @static\n   * @param   {Object[]} sources\n   *          One or more objects to merge into a new object.\n   *\n   * @return {Object}\n   *          A new object that is the merged result of all sources.\n   */\n\n  function mergeOptions() {\n    var result = {};\n\n    for (var _len = arguments.length, sources = new Array(_len), _key = 0; _key < _len; _key++) {\n      sources[_key] = arguments[_key];\n    }\n\n    sources.forEach(function (source) {\n      if (!source) {\n        return;\n      }\n\n      each(source, function (value, key) {\n        if (!isPlain(value)) {\n          result[key] = value;\n          return;\n        }\n\n        if (!isPlain(result[key])) {\n          result[key] = {};\n        }\n\n        result[key] = mergeOptions(result[key], value);\n      });\n    });\n    return result;\n  }\n\n  /**\n   * Player Component - Base class for all UI objects\n   *\n   * @file component.js\n   */\n  /**\n   * Base class for all UI Components.\n   * Components are UI objects which represent both a javascript object and an element\n   * in the DOM. They can be children of other components, and can have\n   * children themselves.\n   *\n   * Components can also use methods from {@link EventTarget}\n   */\n\n  var Component = /*#__PURE__*/function () {\n    /**\n     * A callback that is called when a component is ready. Does not have any\n     * paramters and any callback value will be ignored.\n     *\n     * @callback Component~ReadyCallback\n     * @this Component\n     */\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Object[]} [options.children]\n     *        An array of children objects to intialize this component with. Children objects have\n     *        a name property that will be used if more than one component of the same type needs to be\n     *        added.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        Function that gets called when the `Component` is ready.\n     */\n    function Component(player, options, ready) {\n      // The component might be the player itself and we can't pass `this` to super\n      if (!player && this.play) {\n        this.player_ = player = this; // eslint-disable-line\n      } else {\n        this.player_ = player;\n      }\n\n      this.isDisposed_ = false; // Hold the reference to the parent component via `addChild` method\n\n      this.parentComponent_ = null; // Make a copy of prototype.options_ to protect against overriding defaults\n\n      this.options_ = mergeOptions({}, this.options_); // Updated options with supplied options\n\n      options = this.options_ = mergeOptions(this.options_, options); // Get ID from options or options element if one is supplied\n\n      this.id_ = options.id || options.el && options.el.id; // If there was no ID from the options, generate one\n\n      if (!this.id_) {\n        // Don't require the player ID function in the case of mock players\n        var id = player && player.id && player.id() || 'no_player';\n        this.id_ = id + \"_component_\" + newGUID();\n      }\n\n      this.name_ = options.name || null; // Create element if one wasn't provided in options\n\n      if (options.el) {\n        this.el_ = options.el;\n      } else if (options.createEl !== false) {\n        this.el_ = this.createEl();\n      } // if evented is anything except false, we want to mixin in evented\n\n\n      if (options.evented !== false) {\n        // Make this an evented object and use `el_`, if available, as its event bus\n        evented(this, {\n          eventBusKey: this.el_ ? 'el_' : null\n        });\n      }\n\n      stateful(this, this.constructor.defaultState);\n      this.children_ = [];\n      this.childIndex_ = {};\n      this.childNameIndex_ = {};\n      var SetSham;\n\n      if (!window$3.Set) {\n        SetSham = /*#__PURE__*/function () {\n          function SetSham() {\n            this.set_ = {};\n          }\n\n          var _proto2 = SetSham.prototype;\n\n          _proto2.has = function has(key) {\n            return key in this.set_;\n          };\n\n          _proto2[\"delete\"] = function _delete(key) {\n            var has = this.has(key);\n            delete this.set_[key];\n            return has;\n          };\n\n          _proto2.add = function add(key) {\n            this.set_[key] = 1;\n            return this;\n          };\n\n          _proto2.forEach = function forEach(callback, thisArg) {\n            for (var key in this.set_) {\n              callback.call(thisArg, key, key, this);\n            }\n          };\n\n          return SetSham;\n        }();\n      }\n\n      this.setTimeoutIds_ = window$3.Set ? new Set() : new SetSham();\n      this.setIntervalIds_ = window$3.Set ? new Set() : new SetSham();\n      this.rafIds_ = window$3.Set ? new Set() : new SetSham();\n      this.clearingTimersOnDispose_ = false; // Add any child components in options\n\n      if (options.initChildren !== false) {\n        this.initChildren();\n      }\n\n      this.ready(ready); // Don't want to trigger ready here or it will before init is actually\n      // finished for all children that run this constructor\n\n      if (options.reportTouchActivity !== false) {\n        this.enableTouchActivity();\n      }\n    }\n    /**\n     * Dispose of the `Component` and all child components.\n     *\n     * @fires Component#dispose\n     */\n\n\n    var _proto = Component.prototype;\n\n    _proto.dispose = function dispose() {\n      // Bail out if the component has already been disposed.\n      if (this.isDisposed_) {\n        return;\n      }\n      /**\n       * Triggered when a `Component` is disposed.\n       *\n       * @event Component#dispose\n       * @type {EventTarget~Event}\n       *\n       * @property {boolean} [bubbles=false]\n       *           set to false so that the dispose event does not\n       *           bubble up\n       */\n\n\n      this.trigger({\n        type: 'dispose',\n        bubbles: false\n      });\n      this.isDisposed_ = true; // Dispose all children.\n\n      if (this.children_) {\n        for (var i = this.children_.length - 1; i >= 0; i--) {\n          if (this.children_[i].dispose) {\n            this.children_[i].dispose();\n          }\n        }\n      } // Delete child references\n\n\n      this.children_ = null;\n      this.childIndex_ = null;\n      this.childNameIndex_ = null;\n      this.parentComponent_ = null;\n\n      if (this.el_) {\n        // Remove element from DOM\n        if (this.el_.parentNode) {\n          this.el_.parentNode.removeChild(this.el_);\n        }\n\n        if (DomData.has(this.el_)) {\n          DomData[\"delete\"](this.el_);\n        }\n\n        this.el_ = null;\n      } // remove reference to the player after disposing of the element\n\n\n      this.player_ = null;\n    }\n    /**\n     * Determine whether or not this component has been disposed.\n     *\n     * @return {boolean}\n     *         If the component has been disposed, will be `true`. Otherwise, `false`.\n     */\n    ;\n\n    _proto.isDisposed = function isDisposed() {\n      return Boolean(this.isDisposed_);\n    }\n    /**\n     * Return the {@link Player} that the `Component` has attached to.\n     *\n     * @return {Player}\n     *         The player that this `Component` has attached to.\n     */\n    ;\n\n    _proto.player = function player() {\n      return this.player_;\n    }\n    /**\n     * Deep merge of options objects with new options.\n     * > Note: When both `obj` and `options` contain properties whose values are objects.\n     *         The two properties get merged using {@link module:mergeOptions}\n     *\n     * @param {Object} obj\n     *        The object that contains new options.\n     *\n     * @return {Object}\n     *         A new object of `this.options_` and `obj` merged together.\n     */\n    ;\n\n    _proto.options = function options(obj) {\n      if (!obj) {\n        return this.options_;\n      }\n\n      this.options_ = mergeOptions(this.options_, obj);\n      return this.options_;\n    }\n    /**\n     * Get the `Component`s DOM element\n     *\n     * @return {Element}\n     *         The DOM element for this `Component`.\n     */\n    ;\n\n    _proto.el = function el() {\n      return this.el_;\n    }\n    /**\n     * Create the `Component`s DOM element.\n     *\n     * @param {string} [tagName]\n     *        Element's DOM node type. e.g. 'div'\n     *\n     * @param {Object} [properties]\n     *        An object of properties that should be set.\n     *\n     * @param {Object} [attributes]\n     *        An object of attributes that should be set.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1(tagName, properties, attributes) {\n      return createEl(tagName, properties, attributes);\n    }\n    /**\n     * Localize a string given the string in english.\n     *\n     * If tokens are provided, it'll try and run a simple token replacement on the provided string.\n     * The tokens it looks for look like `{1}` with the index being 1-indexed into the tokens array.\n     *\n     * If a `defaultValue` is provided, it'll use that over `string`,\n     * if a value isn't found in provided language files.\n     * This is useful if you want to have a descriptive key for token replacement\n     * but have a succinct localized string and not require `en.json` to be included.\n     *\n     * Currently, it is used for the progress bar timing.\n     * ```js\n     * {\n     *   \"progress bar timing: currentTime={1} duration={2}\": \"{1} of {2}\"\n     * }\n     * ```\n     * It is then used like so:\n     * ```js\n     * this.localize('progress bar timing: currentTime={1} duration{2}',\n     *               [this.player_.currentTime(), this.player_.duration()],\n     *               '{1} of {2}');\n     * ```\n     *\n     * Which outputs something like: `01:23 of 24:56`.\n     *\n     *\n     * @param {string} string\n     *        The string to localize and the key to lookup in the language files.\n     * @param {string[]} [tokens]\n     *        If the current item has token replacements, provide the tokens here.\n     * @param {string} [defaultValue]\n     *        Defaults to `string`. Can be a default value to use for token replacement\n     *        if the lookup key is needed to be separate.\n     *\n     * @return {string}\n     *         The localized string or if no localization exists the english string.\n     */\n    ;\n\n    _proto.localize = function localize(string, tokens, defaultValue) {\n      if (defaultValue === void 0) {\n        defaultValue = string;\n      }\n\n      var code = this.player_.language && this.player_.language();\n      var languages = this.player_.languages && this.player_.languages();\n      var language = languages && languages[code];\n      var primaryCode = code && code.split('-')[0];\n      var primaryLang = languages && languages[primaryCode];\n      var localizedString = defaultValue;\n\n      if (language && language[string]) {\n        localizedString = language[string];\n      } else if (primaryLang && primaryLang[string]) {\n        localizedString = primaryLang[string];\n      }\n\n      if (tokens) {\n        localizedString = localizedString.replace(/\\{(\\d+)\\}/g, function (match, index) {\n          var value = tokens[index - 1];\n          var ret = value;\n\n          if (typeof value === 'undefined') {\n            ret = match;\n          }\n\n          return ret;\n        });\n      }\n\n      return localizedString;\n    }\n    /**\n     * Return the `Component`s DOM element. This is where children get inserted.\n     * This will usually be the the same as the element returned in {@link Component#el}.\n     *\n     * @return {Element}\n     *         The content element for this `Component`.\n     */\n    ;\n\n    _proto.contentEl = function contentEl() {\n      return this.contentEl_ || this.el_;\n    }\n    /**\n     * Get this `Component`s ID\n     *\n     * @return {string}\n     *         The id of this `Component`\n     */\n    ;\n\n    _proto.id = function id() {\n      return this.id_;\n    }\n    /**\n     * Get the `Component`s name. The name gets used to reference the `Component`\n     * and is set during registration.\n     *\n     * @return {string}\n     *         The name of this `Component`.\n     */\n    ;\n\n    _proto.name = function name() {\n      return this.name_;\n    }\n    /**\n     * Get an array of all child components\n     *\n     * @return {Array}\n     *         The children\n     */\n    ;\n\n    _proto.children = function children() {\n      return this.children_;\n    }\n    /**\n     * Returns the child `Component` with the given `id`.\n     *\n     * @param {string} id\n     *        The id of the child `Component` to get.\n     *\n     * @return {Component|undefined}\n     *         The child `Component` with the given `id` or undefined.\n     */\n    ;\n\n    _proto.getChildById = function getChildById(id) {\n      return this.childIndex_[id];\n    }\n    /**\n     * Returns the child `Component` with the given `name`.\n     *\n     * @param {string} name\n     *        The name of the child `Component` to get.\n     *\n     * @return {Component|undefined}\n     *         The child `Component` with the given `name` or undefined.\n     */\n    ;\n\n    _proto.getChild = function getChild(name) {\n      if (!name) {\n        return;\n      }\n\n      return this.childNameIndex_[name];\n    }\n    /**\n     * Add a child `Component` inside the current `Component`.\n     *\n     *\n     * @param {string|Component} child\n     *        The name or instance of a child to add.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of options that will get passed to children of\n     *        the child.\n     *\n     * @param {number} [index=this.children_.length]\n     *        The index to attempt to add a child into.\n     *\n     * @return {Component}\n     *         The `Component` that gets added as a child. When using a string the\n     *         `Component` will get created by this process.\n     */\n    ;\n\n    _proto.addChild = function addChild(child, options, index) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (index === void 0) {\n        index = this.children_.length;\n      }\n\n      var component;\n      var componentName; // If child is a string, create component with options\n\n      if (typeof child === 'string') {\n        componentName = toTitleCase(child);\n        var componentClassName = options.componentClass || componentName; // Set name through options\n\n        options.name = componentName; // Create a new object & element for this controls set\n        // If there's no .player_, this is a player\n\n        var ComponentClass = Component.getComponent(componentClassName);\n\n        if (!ComponentClass) {\n          throw new Error(\"Component \" + componentClassName + \" does not exist\");\n        } // data stored directly on the videojs object may be\n        // misidentified as a component to retain\n        // backwards-compatibility with 4.x. check to make sure the\n        // component class can be instantiated.\n\n\n        if (typeof ComponentClass !== 'function') {\n          return null;\n        }\n\n        component = new ComponentClass(this.player_ || this, options); // child is a component instance\n      } else {\n        component = child;\n      }\n\n      if (component.parentComponent_) {\n        component.parentComponent_.removeChild(component);\n      }\n\n      this.children_.splice(index, 0, component);\n      component.parentComponent_ = this;\n\n      if (typeof component.id === 'function') {\n        this.childIndex_[component.id()] = component;\n      } // If a name wasn't used to create the component, check if we can use the\n      // name function of the component\n\n\n      componentName = componentName || component.name && toTitleCase(component.name());\n\n      if (componentName) {\n        this.childNameIndex_[componentName] = component;\n        this.childNameIndex_[toLowerCase(componentName)] = component;\n      } // Add the UI object's element to the container div (box)\n      // Having an element is not required\n\n\n      if (typeof component.el === 'function' && component.el()) {\n        // If inserting before a component, insert before that component's element\n        var refNode = null;\n\n        if (this.children_[index + 1] && this.children_[index + 1].el_) {\n          refNode = this.children_[index + 1].el_;\n        }\n\n        this.contentEl().insertBefore(component.el(), refNode);\n      } // Return so it can stored on parent object if desired.\n\n\n      return component;\n    }\n    /**\n     * Remove a child `Component` from this `Component`s list of children. Also removes\n     * the child `Component`s element from this `Component`s element.\n     *\n     * @param {Component} component\n     *        The child `Component` to remove.\n     */\n    ;\n\n    _proto.removeChild = function removeChild(component) {\n      if (typeof component === 'string') {\n        component = this.getChild(component);\n      }\n\n      if (!component || !this.children_) {\n        return;\n      }\n\n      var childFound = false;\n\n      for (var i = this.children_.length - 1; i >= 0; i--) {\n        if (this.children_[i] === component) {\n          childFound = true;\n          this.children_.splice(i, 1);\n          break;\n        }\n      }\n\n      if (!childFound) {\n        return;\n      }\n\n      component.parentComponent_ = null;\n      this.childIndex_[component.id()] = null;\n      this.childNameIndex_[toTitleCase(component.name())] = null;\n      this.childNameIndex_[toLowerCase(component.name())] = null;\n      var compEl = component.el();\n\n      if (compEl && compEl.parentNode === this.contentEl()) {\n        this.contentEl().removeChild(component.el());\n      }\n    }\n    /**\n     * Add and initialize default child `Component`s based upon options.\n     */\n    ;\n\n    _proto.initChildren = function initChildren() {\n      var _this = this;\n\n      var children = this.options_.children;\n\n      if (children) {\n        // `this` is `parent`\n        var parentOptions = this.options_;\n\n        var handleAdd = function handleAdd(child) {\n          var name = child.name;\n          var opts = child.opts; // Allow options for children to be set at the parent options\n          // e.g. videojs(id, { controlBar: false });\n          // instead of videojs(id, { children: { controlBar: false });\n\n          if (parentOptions[name] !== undefined) {\n            opts = parentOptions[name];\n          } // Allow for disabling default components\n          // e.g. options['children']['posterImage'] = false\n\n\n          if (opts === false) {\n            return;\n          } // Allow options to be passed as a simple boolean if no configuration\n          // is necessary.\n\n\n          if (opts === true) {\n            opts = {};\n          } // We also want to pass the original player options\n          // to each component as well so they don't need to\n          // reach back into the player for options later.\n\n\n          opts.playerOptions = _this.options_.playerOptions; // Create and add the child component.\n          // Add a direct reference to the child by name on the parent instance.\n          // If two of the same component are used, different names should be supplied\n          // for each\n\n          var newChild = _this.addChild(name, opts);\n\n          if (newChild) {\n            _this[name] = newChild;\n          }\n        }; // Allow for an array of children details to passed in the options\n\n\n        var workingChildren;\n        var Tech = Component.getComponent('Tech');\n\n        if (Array.isArray(children)) {\n          workingChildren = children;\n        } else {\n          workingChildren = Object.keys(children);\n        }\n\n        workingChildren // children that are in this.options_ but also in workingChildren  would\n        // give us extra children we do not want. So, we want to filter them out.\n        .concat(Object.keys(this.options_).filter(function (child) {\n          return !workingChildren.some(function (wchild) {\n            if (typeof wchild === 'string') {\n              return child === wchild;\n            }\n\n            return child === wchild.name;\n          });\n        })).map(function (child) {\n          var name;\n          var opts;\n\n          if (typeof child === 'string') {\n            name = child;\n            opts = children[name] || _this.options_[name] || {};\n          } else {\n            name = child.name;\n            opts = child;\n          }\n\n          return {\n            name: name,\n            opts: opts\n          };\n        }).filter(function (child) {\n          // we have to make sure that child.name isn't in the techOrder since\n          // techs are registerd as Components but can't aren't compatible\n          // See https://github.com/videojs/video.js/issues/2772\n          var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));\n          return c && !Tech.isTech(c);\n        }).forEach(handleAdd);\n      }\n    }\n    /**\n     * Builds the default DOM class name. Should be overriden by sub-components.\n     *\n     * @return {string}\n     *         The DOM class name for this object.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      // Child classes can include a function that does:\n      // return 'CLASS NAME' + this._super();\n      return '';\n    }\n    /**\n     * Bind a listener to the component's ready state.\n     * Different from event listeners in that if the ready event has already happened\n     * it will trigger the function immediately.\n     *\n     * @return {Component}\n     *         Returns itself; method can be chained.\n     */\n    ;\n\n    _proto.ready = function ready(fn, sync) {\n      if (sync === void 0) {\n        sync = false;\n      }\n\n      if (!fn) {\n        return;\n      }\n\n      if (!this.isReady_) {\n        this.readyQueue_ = this.readyQueue_ || [];\n        this.readyQueue_.push(fn);\n        return;\n      }\n\n      if (sync) {\n        fn.call(this);\n      } else {\n        // Call the function asynchronously by default for consistency\n        this.setTimeout(fn, 1);\n      }\n    }\n    /**\n     * Trigger all the ready listeners for this `Component`.\n     *\n     * @fires Component#ready\n     */\n    ;\n\n    _proto.triggerReady = function triggerReady() {\n      this.isReady_ = true; // Ensure ready is triggered asynchronously\n\n      this.setTimeout(function () {\n        var readyQueue = this.readyQueue_; // Reset Ready Queue\n\n        this.readyQueue_ = [];\n\n        if (readyQueue && readyQueue.length > 0) {\n          readyQueue.forEach(function (fn) {\n            fn.call(this);\n          }, this);\n        } // Allow for using event listeners also\n\n        /**\n         * Triggered when a `Component` is ready.\n         *\n         * @event Component#ready\n         * @type {EventTarget~Event}\n         */\n\n\n        this.trigger('ready');\n      }, 1);\n    }\n    /**\n     * Find a single DOM element matching a `selector`. This can be within the `Component`s\n     * `contentEl()` or another custom context.\n     *\n     * @param {string} selector\n     *        A valid CSS selector, which will be passed to `querySelector`.\n     *\n     * @param {Element|string} [context=this.contentEl()]\n     *        A DOM element within which to query. Can also be a selector string in\n     *        which case the first matching element will get used as context. If\n     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns\n     *        nothing it falls back to `document`.\n     *\n     * @return {Element|null}\n     *         the dom element that was found, or null\n     *\n     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)\n     */\n    ;\n\n    _proto.$ = function $$1(selector, context) {\n      return $(selector, context || this.contentEl());\n    }\n    /**\n     * Finds all DOM element matching a `selector`. This can be within the `Component`s\n     * `contentEl()` or another custom context.\n     *\n     * @param {string} selector\n     *        A valid CSS selector, which will be passed to `querySelectorAll`.\n     *\n     * @param {Element|string} [context=this.contentEl()]\n     *        A DOM element within which to query. Can also be a selector string in\n     *        which case the first matching element will get used as context. If\n     *        missing `this.contentEl()` gets used. If  `this.contentEl()` returns\n     *        nothing it falls back to `document`.\n     *\n     * @return {NodeList}\n     *         a list of dom elements that were found\n     *\n     * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)\n     */\n    ;\n\n    _proto.$$ = function $$$1(selector, context) {\n      return $$(selector, context || this.contentEl());\n    }\n    /**\n     * Check if a component's element has a CSS class name.\n     *\n     * @param {string} classToCheck\n     *        CSS class name to check.\n     *\n     * @return {boolean}\n     *         - True if the `Component` has the class.\n     *         - False if the `Component` does not have the class`\n     */\n    ;\n\n    _proto.hasClass = function hasClass$1(classToCheck) {\n      return hasClass(this.el_, classToCheck);\n    }\n    /**\n     * Add a CSS class name to the `Component`s element.\n     *\n     * @param {string} classToAdd\n     *        CSS class name to add\n     */\n    ;\n\n    _proto.addClass = function addClass$1(classToAdd) {\n      addClass(this.el_, classToAdd);\n    }\n    /**\n     * Remove a CSS class name from the `Component`s element.\n     *\n     * @param {string} classToRemove\n     *        CSS class name to remove\n     */\n    ;\n\n    _proto.removeClass = function removeClass$1(classToRemove) {\n      removeClass(this.el_, classToRemove);\n    }\n    /**\n     * Add or remove a CSS class name from the component's element.\n     * - `classToToggle` gets added when {@link Component#hasClass} would return false.\n     * - `classToToggle` gets removed when {@link Component#hasClass} would return true.\n     *\n     * @param  {string} classToToggle\n     *         The class to add or remove based on (@link Component#hasClass}\n     *\n     * @param  {boolean|Dom~predicate} [predicate]\n     *         An {@link Dom~predicate} function or a boolean\n     */\n    ;\n\n    _proto.toggleClass = function toggleClass$1(classToToggle, predicate) {\n      toggleClass(this.el_, classToToggle, predicate);\n    }\n    /**\n     * Show the `Component`s element if it is hidden by removing the\n     * 'vjs-hidden' class name from it.\n     */\n    ;\n\n    _proto.show = function show() {\n      this.removeClass('vjs-hidden');\n    }\n    /**\n     * Hide the `Component`s element if it is currently showing by adding the\n     * 'vjs-hidden` class name to it.\n     */\n    ;\n\n    _proto.hide = function hide() {\n      this.addClass('vjs-hidden');\n    }\n    /**\n     * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'\n     * class name to it. Used during fadeIn/fadeOut.\n     *\n     * @private\n     */\n    ;\n\n    _proto.lockShowing = function lockShowing() {\n      this.addClass('vjs-lock-showing');\n    }\n    /**\n     * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'\n     * class name from it. Used during fadeIn/fadeOut.\n     *\n     * @private\n     */\n    ;\n\n    _proto.unlockShowing = function unlockShowing() {\n      this.removeClass('vjs-lock-showing');\n    }\n    /**\n     * Get the value of an attribute on the `Component`s element.\n     *\n     * @param {string} attribute\n     *        Name of the attribute to get the value from.\n     *\n     * @return {string|null}\n     *         - The value of the attribute that was asked for.\n     *         - Can be an empty string on some browsers if the attribute does not exist\n     *           or has no value\n     *         - Most browsers will return null if the attibute does not exist or has\n     *           no value.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}\n     */\n    ;\n\n    _proto.getAttribute = function getAttribute$1(attribute) {\n      return getAttribute(this.el_, attribute);\n    }\n    /**\n     * Set the value of an attribute on the `Component`'s element\n     *\n     * @param {string} attribute\n     *        Name of the attribute to set.\n     *\n     * @param {string} value\n     *        Value to set the attribute to.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}\n     */\n    ;\n\n    _proto.setAttribute = function setAttribute$1(attribute, value) {\n      setAttribute(this.el_, attribute, value);\n    }\n    /**\n     * Remove an attribute from the `Component`s element.\n     *\n     * @param {string} attribute\n     *        Name of the attribute to remove.\n     *\n     * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}\n     */\n    ;\n\n    _proto.removeAttribute = function removeAttribute$1(attribute) {\n      removeAttribute(this.el_, attribute);\n    }\n    /**\n     * Get or set the width of the component based upon the CSS styles.\n     * See {@link Component#dimension} for more detailed information.\n     *\n     * @param {number|string} [num]\n     *        The width that you want to set postfixed with '%', 'px' or nothing.\n     *\n     * @param {boolean} [skipListeners]\n     *        Skip the componentresize event trigger\n     *\n     * @return {number|string}\n     *         The width when getting, zero if there is no width. Can be a string\n     *           postpixed with '%' or 'px'.\n     */\n    ;\n\n    _proto.width = function width(num, skipListeners) {\n      return this.dimension('width', num, skipListeners);\n    }\n    /**\n     * Get or set the height of the component based upon the CSS styles.\n     * See {@link Component#dimension} for more detailed information.\n     *\n     * @param {number|string} [num]\n     *        The height that you want to set postfixed with '%', 'px' or nothing.\n     *\n     * @param {boolean} [skipListeners]\n     *        Skip the componentresize event trigger\n     *\n     * @return {number|string}\n     *         The width when getting, zero if there is no width. Can be a string\n     *         postpixed with '%' or 'px'.\n     */\n    ;\n\n    _proto.height = function height(num, skipListeners) {\n      return this.dimension('height', num, skipListeners);\n    }\n    /**\n     * Set both the width and height of the `Component` element at the same time.\n     *\n     * @param  {number|string} width\n     *         Width to set the `Component`s element to.\n     *\n     * @param  {number|string} height\n     *         Height to set the `Component`s element to.\n     */\n    ;\n\n    _proto.dimensions = function dimensions(width, height) {\n      // Skip componentresize listeners on width for optimization\n      this.width(width, true);\n      this.height(height);\n    }\n    /**\n     * Get or set width or height of the `Component` element. This is the shared code\n     * for the {@link Component#width} and {@link Component#height}.\n     *\n     * Things to know:\n     * - If the width or height in an number this will return the number postfixed with 'px'.\n     * - If the width/height is a percent this will return the percent postfixed with '%'\n     * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function\n     *   defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.\n     *   See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}\n     *   for more information\n     * - If you want the computed style of the component, use {@link Component#currentWidth}\n     *   and {@link {Component#currentHeight}\n     *\n     * @fires Component#componentresize\n     *\n     * @param {string} widthOrHeight\n     8        'width' or 'height'\n     *\n     * @param  {number|string} [num]\n     8         New dimension\n     *\n     * @param  {boolean} [skipListeners]\n     *         Skip componentresize event trigger\n     *\n     * @return {number}\n     *         The dimension when getting or 0 if unset\n     */\n    ;\n\n    _proto.dimension = function dimension(widthOrHeight, num, skipListeners) {\n      if (num !== undefined) {\n        // Set to zero if null or literally NaN (NaN !== NaN)\n        if (num === null || num !== num) {\n          num = 0;\n        } // Check if using css width/height (% or px) and adjust\n\n\n        if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {\n          this.el_.style[widthOrHeight] = num;\n        } else if (num === 'auto') {\n          this.el_.style[widthOrHeight] = '';\n        } else {\n          this.el_.style[widthOrHeight] = num + 'px';\n        } // skipListeners allows us to avoid triggering the resize event when setting both width and height\n\n\n        if (!skipListeners) {\n          /**\n           * Triggered when a component is resized.\n           *\n           * @event Component#componentresize\n           * @type {EventTarget~Event}\n           */\n          this.trigger('componentresize');\n        }\n\n        return;\n      } // Not setting a value, so getting it\n      // Make sure element exists\n\n\n      if (!this.el_) {\n        return 0;\n      } // Get dimension value from style\n\n\n      var val = this.el_.style[widthOrHeight];\n      var pxIndex = val.indexOf('px');\n\n      if (pxIndex !== -1) {\n        // Return the pixel value with no 'px'\n        return parseInt(val.slice(0, pxIndex), 10);\n      } // No px so using % or no style was set, so falling back to offsetWidth/height\n      // If component has display:none, offset will return 0\n      // TODO: handle display:none and no dimension style using px\n\n\n      return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);\n    }\n    /**\n     * Get the computed width or the height of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @param {string} widthOrHeight\n     *        A string containing 'width' or 'height'. Whichever one you want to get.\n     *\n     * @return {number}\n     *         The dimension that gets asked for or 0 if nothing was set\n     *         for that dimension.\n     */\n    ;\n\n    _proto.currentDimension = function currentDimension(widthOrHeight) {\n      var computedWidthOrHeight = 0;\n\n      if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {\n        throw new Error('currentDimension only accepts width or height value');\n      }\n\n      computedWidthOrHeight = computedStyle(this.el_, widthOrHeight); // remove 'px' from variable and parse as integer\n\n      computedWidthOrHeight = parseFloat(computedWidthOrHeight); // if the computed value is still 0, it's possible that the browser is lying\n      // and we want to check the offset values.\n      // This code also runs wherever getComputedStyle doesn't exist.\n\n      if (computedWidthOrHeight === 0 || isNaN(computedWidthOrHeight)) {\n        var rule = \"offset\" + toTitleCase(widthOrHeight);\n        computedWidthOrHeight = this.el_[rule];\n      }\n\n      return computedWidthOrHeight;\n    }\n    /**\n     * An object that contains width and height values of the `Component`s\n     * computed style. Uses `window.getComputedStyle`.\n     *\n     * @typedef {Object} Component~DimensionObject\n     *\n     * @property {number} width\n     *           The width of the `Component`s computed style.\n     *\n     * @property {number} height\n     *           The height of the `Component`s computed style.\n     */\n\n    /**\n     * Get an object that contains computed width and height values of the\n     * component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {Component~DimensionObject}\n     *         The computed dimensions of the component's element.\n     */\n    ;\n\n    _proto.currentDimensions = function currentDimensions() {\n      return {\n        width: this.currentDimension('width'),\n        height: this.currentDimension('height')\n      };\n    }\n    /**\n     * Get the computed width of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {number}\n     *         The computed width of the component's element.\n     */\n    ;\n\n    _proto.currentWidth = function currentWidth() {\n      return this.currentDimension('width');\n    }\n    /**\n     * Get the computed height of the component's element.\n     *\n     * Uses `window.getComputedStyle`.\n     *\n     * @return {number}\n     *         The computed height of the component's element.\n     */\n    ;\n\n    _proto.currentHeight = function currentHeight() {\n      return this.currentDimension('height');\n    }\n    /**\n     * Set the focus to this component\n     */\n    ;\n\n    _proto.focus = function focus() {\n      this.el_.focus();\n    }\n    /**\n     * Remove the focus from this component\n     */\n    ;\n\n    _proto.blur = function blur() {\n      this.el_.blur();\n    }\n    /**\n     * When this Component receives a `keydown` event which it does not process,\n     *  it passes the event to the Player for handling.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (this.player_) {\n        // We only stop propagation here because we want unhandled events to fall\n        // back to the browser.\n        event.stopPropagation();\n        this.player_.handleKeyDown(event);\n      }\n    }\n    /**\n     * Many components used to have a `handleKeyPress` method, which was poorly\n     * named because it listened to a `keydown` event. This method name now\n     * delegates to `handleKeyDown`. This means anyone calling `handleKeyPress`\n     * will not see their method calls stop working.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleKeyPress = function handleKeyPress(event) {\n      this.handleKeyDown(event);\n    }\n    /**\n     * Emit a 'tap' events when touch event support gets detected. This gets used to\n     * support toggling the controls through a tap on the video. They get enabled\n     * because every sub-component would have extra overhead otherwise.\n     *\n     * @private\n     * @fires Component#tap\n     * @listens Component#touchstart\n     * @listens Component#touchmove\n     * @listens Component#touchleave\n     * @listens Component#touchcancel\n     * @listens Component#touchend\n      */\n    ;\n\n    _proto.emitTapEvents = function emitTapEvents() {\n      // Track the start time so we can determine how long the touch lasted\n      var touchStart = 0;\n      var firstTouch = null; // Maximum movement allowed during a touch event to still be considered a tap\n      // Other popular libs use anywhere from 2 (hammer.js) to 15,\n      // so 10 seems like a nice, round number.\n\n      var tapMovementThreshold = 10; // The maximum length a touch can be while still being considered a tap\n\n      var touchTimeThreshold = 200;\n      var couldBeTap;\n      this.on('touchstart', function (event) {\n        // If more than one finger, don't consider treating this as a click\n        if (event.touches.length === 1) {\n          // Copy pageX/pageY from the object\n          firstTouch = {\n            pageX: event.touches[0].pageX,\n            pageY: event.touches[0].pageY\n          }; // Record start time so we can detect a tap vs. \"touch and hold\"\n\n          touchStart = window$3.performance.now(); // Reset couldBeTap tracking\n\n          couldBeTap = true;\n        }\n      });\n      this.on('touchmove', function (event) {\n        // If more than one finger, don't consider treating this as a click\n        if (event.touches.length > 1) {\n          couldBeTap = false;\n        } else if (firstTouch) {\n          // Some devices will throw touchmoves for all but the slightest of taps.\n          // So, if we moved only a small distance, this could still be a tap\n          var xdiff = event.touches[0].pageX - firstTouch.pageX;\n          var ydiff = event.touches[0].pageY - firstTouch.pageY;\n          var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);\n\n          if (touchDistance > tapMovementThreshold) {\n            couldBeTap = false;\n          }\n        }\n      });\n\n      var noTap = function noTap() {\n        couldBeTap = false;\n      }; // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s\n\n\n      this.on('touchleave', noTap);\n      this.on('touchcancel', noTap); // When the touch ends, measure how long it took and trigger the appropriate\n      // event\n\n      this.on('touchend', function (event) {\n        firstTouch = null; // Proceed only if the touchmove/leave/cancel event didn't happen\n\n        if (couldBeTap === true) {\n          // Measure how long the touch lasted\n          var touchTime = window$3.performance.now() - touchStart; // Make sure the touch was less than the threshold to be considered a tap\n\n          if (touchTime < touchTimeThreshold) {\n            // Don't let browser turn this into a click\n            event.preventDefault();\n            /**\n             * Triggered when a `Component` is tapped.\n             *\n             * @event Component#tap\n             * @type {EventTarget~Event}\n             */\n\n            this.trigger('tap'); // It may be good to copy the touchend event object and change the\n            // type to tap, if the other event properties aren't exact after\n            // Events.fixEvent runs (e.g. event.target)\n          }\n        }\n      });\n    }\n    /**\n     * This function reports user activity whenever touch events happen. This can get\n     * turned off by any sub-components that wants touch events to act another way.\n     *\n     * Report user touch activity when touch events occur. User activity gets used to\n     * determine when controls should show/hide. It is simple when it comes to mouse\n     * events, because any mouse event should show the controls. So we capture mouse\n     * events that bubble up to the player and report activity when that happens.\n     * With touch events it isn't as easy as `touchstart` and `touchend` toggle player\n     * controls. So touch events can't help us at the player level either.\n     *\n     * User activity gets checked asynchronously. So what could happen is a tap event\n     * on the video turns the controls off. Then the `touchend` event bubbles up to\n     * the player. Which, if it reported user activity, would turn the controls right\n     * back on. We also don't want to completely block touch events from bubbling up.\n     * Furthermore a `touchmove` event and anything other than a tap, should not turn\n     * controls back on.\n     *\n     * @listens Component#touchstart\n     * @listens Component#touchmove\n     * @listens Component#touchend\n     * @listens Component#touchcancel\n     */\n    ;\n\n    _proto.enableTouchActivity = function enableTouchActivity() {\n      // Don't continue if the root player doesn't support reporting user activity\n      if (!this.player() || !this.player().reportUserActivity) {\n        return;\n      } // listener for reporting that the user is active\n\n\n      var report = bind(this.player(), this.player().reportUserActivity);\n      var touchHolding;\n      this.on('touchstart', function () {\n        report(); // For as long as the they are touching the device or have their mouse down,\n        // we consider them active even if they're not moving their finger or mouse.\n        // So we want to continue to update that they are active\n\n        this.clearInterval(touchHolding); // report at the same interval as activityCheck\n\n        touchHolding = this.setInterval(report, 250);\n      });\n\n      var touchEnd = function touchEnd(event) {\n        report(); // stop the interval that maintains activity if the touch is holding\n\n        this.clearInterval(touchHolding);\n      };\n\n      this.on('touchmove', report);\n      this.on('touchend', touchEnd);\n      this.on('touchcancel', touchEnd);\n    }\n    /**\n     * A callback that has no parameters and is bound into `Component`s context.\n     *\n     * @callback Component~GenericCallback\n     * @this Component\n     */\n\n    /**\n     * Creates a function that runs after an `x` millisecond timeout. This function is a\n     * wrapper around `window.setTimeout`. There are a few reasons to use this one\n     * instead though:\n     * 1. It gets cleared via  {@link Component#clearTimeout} when\n     *    {@link Component#dispose} gets called.\n     * 2. The function callback will gets turned into a {@link Component~GenericCallback}\n     *\n     * > Note: You can't use `window.clearTimeout` on the id returned by this function. This\n     *         will cause its dispose listener not to get cleaned up! Please use\n     *         {@link Component#clearTimeout} or {@link Component#dispose} instead.\n     *\n     * @param {Component~GenericCallback} fn\n     *        The function that will be run after `timeout`.\n     *\n     * @param {number} timeout\n     *        Timeout in milliseconds to delay before executing the specified function.\n     *\n     * @return {number}\n     *         Returns a timeout ID that gets used to identify the timeout. It can also\n     *         get used in {@link Component#clearTimeout} to clear the timeout that\n     *         was set.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}\n     */\n    ;\n\n    _proto.setTimeout = function setTimeout(fn, timeout) {\n      var _this2 = this;\n\n      // declare as variables so they are properly available in timeout function\n      // eslint-disable-next-line\n      var timeoutId;\n      fn = bind(this, fn);\n      this.clearTimersOnDispose_();\n      timeoutId = window$3.setTimeout(function () {\n        if (_this2.setTimeoutIds_.has(timeoutId)) {\n          _this2.setTimeoutIds_[\"delete\"](timeoutId);\n        }\n\n        fn();\n      }, timeout);\n      this.setTimeoutIds_.add(timeoutId);\n      return timeoutId;\n    }\n    /**\n     * Clears a timeout that gets created via `window.setTimeout` or\n     * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}\n     * use this function instead of `window.clearTimout`. If you don't your dispose\n     * listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} timeoutId\n     *        The id of the timeout to clear. The return value of\n     *        {@link Component#setTimeout} or `window.setTimeout`.\n     *\n     * @return {number}\n     *         Returns the timeout id that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}\n     */\n    ;\n\n    _proto.clearTimeout = function clearTimeout(timeoutId) {\n      if (this.setTimeoutIds_.has(timeoutId)) {\n        this.setTimeoutIds_[\"delete\"](timeoutId);\n        window$3.clearTimeout(timeoutId);\n      }\n\n      return timeoutId;\n    }\n    /**\n     * Creates a function that gets run every `x` milliseconds. This function is a wrapper\n     * around `window.setInterval`. There are a few reasons to use this one instead though.\n     * 1. It gets cleared via  {@link Component#clearInterval} when\n     *    {@link Component#dispose} gets called.\n     * 2. The function callback will be a {@link Component~GenericCallback}\n     *\n     * @param {Component~GenericCallback} fn\n     *        The function to run every `x` seconds.\n     *\n     * @param {number} interval\n     *        Execute the specified function every `x` milliseconds.\n     *\n     * @return {number}\n     *         Returns an id that can be used to identify the interval. It can also be be used in\n     *         {@link Component#clearInterval} to clear the interval.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}\n     */\n    ;\n\n    _proto.setInterval = function setInterval(fn, interval) {\n      fn = bind(this, fn);\n      this.clearTimersOnDispose_();\n      var intervalId = window$3.setInterval(fn, interval);\n      this.setIntervalIds_.add(intervalId);\n      return intervalId;\n    }\n    /**\n     * Clears an interval that gets created via `window.setInterval` or\n     * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}\n     * use this function instead of `window.clearInterval`. If you don't your dispose\n     * listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} intervalId\n     *        The id of the interval to clear. The return value of\n     *        {@link Component#setInterval} or `window.setInterval`.\n     *\n     * @return {number}\n     *         Returns the interval id that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}\n     */\n    ;\n\n    _proto.clearInterval = function clearInterval(intervalId) {\n      if (this.setIntervalIds_.has(intervalId)) {\n        this.setIntervalIds_[\"delete\"](intervalId);\n        window$3.clearInterval(intervalId);\n      }\n\n      return intervalId;\n    }\n    /**\n     * Queues up a callback to be passed to requestAnimationFrame (rAF), but\n     * with a few extra bonuses:\n     *\n     * - Supports browsers that do not support rAF by falling back to\n     *   {@link Component#setTimeout}.\n     *\n     * - The callback is turned into a {@link Component~GenericCallback} (i.e.\n     *   bound to the component).\n     *\n     * - Automatic cancellation of the rAF callback is handled if the component\n     *   is disposed before it is called.\n     *\n     * @param  {Component~GenericCallback} fn\n     *         A function that will be bound to this component and executed just\n     *         before the browser's next repaint.\n     *\n     * @return {number}\n     *         Returns an rAF ID that gets used to identify the timeout. It can\n     *         also be used in {@link Component#cancelAnimationFrame} to cancel\n     *         the animation frame callback.\n     *\n     * @listens Component#dispose\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}\n     */\n    ;\n\n    _proto.requestAnimationFrame = function requestAnimationFrame(fn) {\n      var _this3 = this;\n\n      // Fall back to using a timer.\n      if (!this.supportsRaf_) {\n        return this.setTimeout(fn, 1000 / 60);\n      }\n\n      this.clearTimersOnDispose_(); // declare as variables so they are properly available in rAF function\n      // eslint-disable-next-line\n\n      var id;\n      fn = bind(this, fn);\n      id = window$3.requestAnimationFrame(function () {\n        if (_this3.rafIds_.has(id)) {\n          _this3.rafIds_[\"delete\"](id);\n        }\n\n        fn();\n      });\n      this.rafIds_.add(id);\n      return id;\n    }\n    /**\n     * Cancels a queued callback passed to {@link Component#requestAnimationFrame}\n     * (rAF).\n     *\n     * If you queue an rAF callback via {@link Component#requestAnimationFrame},\n     * use this function instead of `window.cancelAnimationFrame`. If you don't,\n     * your dispose listener will not get cleaned up until {@link Component#dispose}!\n     *\n     * @param {number} id\n     *        The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.\n     *\n     * @return {number}\n     *         Returns the rAF ID that was cleared.\n     *\n     * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}\n     */\n    ;\n\n    _proto.cancelAnimationFrame = function cancelAnimationFrame(id) {\n      // Fall back to using a timer.\n      if (!this.supportsRaf_) {\n        return this.clearTimeout(id);\n      }\n\n      if (this.rafIds_.has(id)) {\n        this.rafIds_[\"delete\"](id);\n        window$3.cancelAnimationFrame(id);\n      }\n\n      return id;\n    }\n    /**\n     * A function to setup `requestAnimationFrame`, `setTimeout`,\n     * and `setInterval`, clearing on dispose.\n     *\n     * > Previously each timer added and removed dispose listeners on it's own.\n     * For better performance it was decided to batch them all, and use `Set`s\n     * to track outstanding timer ids.\n     *\n     * @private\n     */\n    ;\n\n    _proto.clearTimersOnDispose_ = function clearTimersOnDispose_() {\n      var _this4 = this;\n\n      if (this.clearingTimersOnDispose_) {\n        return;\n      }\n\n      this.clearingTimersOnDispose_ = true;\n      this.one('dispose', function () {\n        [['rafIds_', 'cancelAnimationFrame'], ['setTimeoutIds_', 'clearTimeout'], ['setIntervalIds_', 'clearInterval']].forEach(function (_ref) {\n          var idName = _ref[0],\n              cancelName = _ref[1];\n\n          _this4[idName].forEach(_this4[cancelName], _this4);\n        });\n        _this4.clearingTimersOnDispose_ = false;\n      });\n    }\n    /**\n     * Register a `Component` with `videojs` given the name and the component.\n     *\n     * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s\n     *         should be registered using {@link Tech.registerTech} or\n     *         {@link videojs:videojs.registerTech}.\n     *\n     * > NOTE: This function can also be seen on videojs as\n     *         {@link videojs:videojs.registerComponent}.\n     *\n     * @param {string} name\n     *        The name of the `Component` to register.\n     *\n     * @param {Component} ComponentToRegister\n     *        The `Component` class to register.\n     *\n     * @return {Component}\n     *         The `Component` that was registered.\n     */\n    ;\n\n    Component.registerComponent = function registerComponent(name, ComponentToRegister) {\n      if (typeof name !== 'string' || !name) {\n        throw new Error(\"Illegal component name, \\\"\" + name + \"\\\"; must be a non-empty string.\");\n      }\n\n      var Tech = Component.getComponent('Tech'); // We need to make sure this check is only done if Tech has been registered.\n\n      var isTech = Tech && Tech.isTech(ComponentToRegister);\n      var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);\n\n      if (isTech || !isComp) {\n        var reason;\n\n        if (isTech) {\n          reason = 'techs must be registered using Tech.registerTech()';\n        } else {\n          reason = 'must be a Component subclass';\n        }\n\n        throw new Error(\"Illegal component, \\\"\" + name + \"\\\"; \" + reason + \".\");\n      }\n\n      name = toTitleCase(name);\n\n      if (!Component.components_) {\n        Component.components_ = {};\n      }\n\n      var Player = Component.getComponent('Player');\n\n      if (name === 'Player' && Player && Player.players) {\n        var players = Player.players;\n        var playerNames = Object.keys(players); // If we have players that were disposed, then their name will still be\n        // in Players.players. So, we must loop through and verify that the value\n        // for each item is not null. This allows registration of the Player component\n        // after all players have been disposed or before any were created.\n\n        if (players && playerNames.length > 0 && playerNames.map(function (pname) {\n          return players[pname];\n        }).every(Boolean)) {\n          throw new Error('Can not register Player component after player has been created.');\n        }\n      }\n\n      Component.components_[name] = ComponentToRegister;\n      Component.components_[toLowerCase(name)] = ComponentToRegister;\n      return ComponentToRegister;\n    }\n    /**\n     * Get a `Component` based on the name it was registered with.\n     *\n     * @param {string} name\n     *        The Name of the component to get.\n     *\n     * @return {Component}\n     *         The `Component` that got registered under the given name.\n     *\n     * @deprecated In `videojs` 6 this will not return `Component`s that were not\n     *             registered using {@link Component.registerComponent}. Currently we\n     *             check the global `videojs` object for a `Component` name and\n     *             return that if it exists.\n     */\n    ;\n\n    Component.getComponent = function getComponent(name) {\n      if (!name || !Component.components_) {\n        return;\n      }\n\n      return Component.components_[name];\n    };\n\n    return Component;\n  }();\n  /**\n   * Whether or not this component supports `requestAnimationFrame`.\n   *\n   * This is exposed primarily for testing purposes.\n   *\n   * @private\n   * @type {Boolean}\n   */\n\n\n  Component.prototype.supportsRaf_ = typeof window$3.requestAnimationFrame === 'function' && typeof window$3.cancelAnimationFrame === 'function';\n  Component.registerComponent('Component', Component);\n\n  function _assertThisInitialized(self) {\n    if (self === void 0) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return self;\n  }\n\n  var assertThisInitialized = _assertThisInitialized;\n\n  var _typeof_1 = createCommonjsModule(function (module) {\n    function _typeof(obj) {\n      \"@babel/helpers - typeof\";\n\n      if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") {\n        module.exports = _typeof = function _typeof(obj) {\n          return typeof obj;\n        };\n      } else {\n        module.exports = _typeof = function _typeof(obj) {\n          return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj;\n        };\n      }\n\n      return _typeof(obj);\n    }\n\n    module.exports = _typeof;\n  });\n\n  var getPrototypeOf = createCommonjsModule(function (module) {\n    function _getPrototypeOf(o) {\n      module.exports = _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {\n        return o.__proto__ || Object.getPrototypeOf(o);\n      };\n      return _getPrototypeOf(o);\n    }\n\n    module.exports = _getPrototypeOf;\n  });\n\n  function _inheritsLoose(subClass, superClass) {\n    subClass.prototype = Object.create(superClass.prototype);\n    subClass.prototype.constructor = subClass;\n    subClass.__proto__ = superClass;\n  }\n\n  var inheritsLoose = _inheritsLoose;\n\n  /**\n   * @file browser.js\n   * @module browser\n   */\n  var USER_AGENT = window$3.navigator && window$3.navigator.userAgent || '';\n  var webkitVersionMap = /AppleWebKit\\/([\\d.]+)/i.exec(USER_AGENT);\n  var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;\n  /**\n   * Whether or not this device is an iPod.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IPOD = /iPod/i.test(USER_AGENT);\n  /**\n   * The detected iOS version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {string|null}\n   */\n\n  var IOS_VERSION = function () {\n    var match = USER_AGENT.match(/OS (\\d+)_/i);\n\n    if (match && match[1]) {\n      return match[1];\n    }\n\n    return null;\n  }();\n  /**\n   * Whether or not this is an Android device.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_ANDROID = /Android/i.test(USER_AGENT);\n  /**\n   * The detected Android version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|string|null}\n   */\n\n  var ANDROID_VERSION = function () {\n    // This matches Android Major.Minor.Patch versions\n    // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned\n    var match = USER_AGENT.match(/Android (\\d+)(?:\\.(\\d+))?(?:\\.(\\d+))*/i);\n\n    if (!match) {\n      return null;\n    }\n\n    var major = match[1] && parseFloat(match[1]);\n    var minor = match[2] && parseFloat(match[2]);\n\n    if (major && minor) {\n      return parseFloat(match[1] + '.' + match[2]);\n    } else if (major) {\n      return major;\n    }\n\n    return null;\n  }();\n  /**\n   * Whether or not this is a native Android browser.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;\n  /**\n   * Whether or not this is Mozilla Firefox.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_FIREFOX = /Firefox/i.test(USER_AGENT);\n  /**\n   * Whether or not this is Microsoft Edge.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_EDGE = /Edg/i.test(USER_AGENT);\n  /**\n   * Whether or not this is Google Chrome.\n   *\n   * This will also be `true` for Chrome on iOS, which will have different support\n   * as it is actually Safari under the hood.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT));\n  /**\n   * The detected Google Chrome version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|null}\n   */\n\n  var CHROME_VERSION = function () {\n    var match = USER_AGENT.match(/(Chrome|CriOS)\\/(\\d+)/);\n\n    if (match && match[2]) {\n      return parseFloat(match[2]);\n    }\n\n    return null;\n  }();\n  /**\n   * The detected Internet Explorer version - or `null`.\n   *\n   * @static\n   * @const\n   * @type {number|null}\n   */\n\n  var IE_VERSION = function () {\n    var result = /MSIE\\s(\\d+)\\.\\d/.exec(USER_AGENT);\n    var version = result && parseFloat(result[1]);\n\n    if (!version && /Trident\\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {\n      // IE 11 has a different user agent string than other IE versions\n      version = 11.0;\n    }\n\n    return version;\n  }();\n  /**\n   * Whether or not this is desktop Safari.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;\n  /**\n   * Whether or not this is a Windows machine.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_WINDOWS = /Windows/i.test(USER_AGENT);\n  /**\n   * Whether or not this device is touch-enabled.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var TOUCH_ENABLED = isReal() && ('ontouchstart' in window$3 || window$3.navigator.maxTouchPoints || window$3.DocumentTouch && window$3.document instanceof window$3.DocumentTouch);\n  /**\n   * Whether or not this device is an iPad.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IPAD = /iPad/i.test(USER_AGENT) || IS_SAFARI && TOUCH_ENABLED && !/iPhone/i.test(USER_AGENT);\n  /**\n   * Whether or not this device is an iPhone.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n  // The Facebook app's UIWebView identifies as both an iPhone and iPad, so\n  // to identify iPhones, we need to exclude iPads.\n  // http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/\n\n  var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;\n  /**\n   * Whether or not this is an iOS device.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;\n  /**\n   * Whether or not this is any flavor of Safari - including iOS.\n   *\n   * @static\n   * @const\n   * @type {Boolean}\n   */\n\n  var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME;\n\n  var browser = /*#__PURE__*/Object.freeze({\n    IS_IPOD: IS_IPOD,\n    IOS_VERSION: IOS_VERSION,\n    IS_ANDROID: IS_ANDROID,\n    ANDROID_VERSION: ANDROID_VERSION,\n    IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,\n    IS_FIREFOX: IS_FIREFOX,\n    IS_EDGE: IS_EDGE,\n    IS_CHROME: IS_CHROME,\n    CHROME_VERSION: CHROME_VERSION,\n    IE_VERSION: IE_VERSION,\n    IS_SAFARI: IS_SAFARI,\n    IS_WINDOWS: IS_WINDOWS,\n    TOUCH_ENABLED: TOUCH_ENABLED,\n    IS_IPAD: IS_IPAD,\n    IS_IPHONE: IS_IPHONE,\n    IS_IOS: IS_IOS,\n    IS_ANY_SAFARI: IS_ANY_SAFARI\n  });\n\n  /**\n   * @file time-ranges.js\n   * @module time-ranges\n   */\n\n  /**\n   * Returns the time for the specified index at the start or end\n   * of a TimeRange object.\n   *\n   * @typedef    {Function} TimeRangeIndex\n   *\n   * @param      {number} [index=0]\n   *             The range number to return the time for.\n   *\n   * @return     {number}\n   *             The time offset at the specified index.\n   *\n   * @deprecated The index argument must be provided.\n   *             In the future, leaving it out will throw an error.\n   */\n\n  /**\n   * An object that contains ranges of time.\n   *\n   * @typedef  {Object} TimeRange\n   *\n   * @property {number} length\n   *           The number of time ranges represented by this object.\n   *\n   * @property {module:time-ranges~TimeRangeIndex} start\n   *           Returns the time offset at which a specified time range begins.\n   *\n   * @property {module:time-ranges~TimeRangeIndex} end\n   *           Returns the time offset at which a specified time range ends.\n   *\n   * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges\n   */\n\n  /**\n   * Check if any of the time ranges are over the maximum index.\n   *\n   * @private\n   * @param   {string} fnName\n   *          The function name to use for logging\n   *\n   * @param   {number} index\n   *          The index to check\n   *\n   * @param   {number} maxIndex\n   *          The maximum possible index\n   *\n   * @throws  {Error} if the timeRanges provided are over the maxIndex\n   */\n  function rangeCheck(fnName, index, maxIndex) {\n    if (typeof index !== 'number' || index < 0 || index > maxIndex) {\n      throw new Error(\"Failed to execute '\" + fnName + \"' on 'TimeRanges': The index provided (\" + index + \") is non-numeric or out of bounds (0-\" + maxIndex + \").\");\n    }\n  }\n  /**\n   * Get the time for the specified index at the start or end\n   * of a TimeRange object.\n   *\n   * @private\n   * @param      {string} fnName\n   *             The function name to use for logging\n   *\n   * @param      {string} valueIndex\n   *             The property that should be used to get the time. should be\n   *             'start' or 'end'\n   *\n   * @param      {Array} ranges\n   *             An array of time ranges\n   *\n   * @param      {Array} [rangeIndex=0]\n   *             The index to start the search at\n   *\n   * @return     {number}\n   *             The time that offset at the specified index.\n   *\n   * @deprecated rangeIndex must be set to a value, in the future this will throw an error.\n   * @throws     {Error} if rangeIndex is more than the length of ranges\n   */\n\n\n  function getRange(fnName, valueIndex, ranges, rangeIndex) {\n    rangeCheck(fnName, rangeIndex, ranges.length - 1);\n    return ranges[rangeIndex][valueIndex];\n  }\n  /**\n   * Create a time range object given ranges of time.\n   *\n   * @private\n   * @param   {Array} [ranges]\n   *          An array of time ranges.\n   */\n\n\n  function createTimeRangesObj(ranges) {\n    if (ranges === undefined || ranges.length === 0) {\n      return {\n        length: 0,\n        start: function start() {\n          throw new Error('This TimeRanges object is empty');\n        },\n        end: function end() {\n          throw new Error('This TimeRanges object is empty');\n        }\n      };\n    }\n\n    return {\n      length: ranges.length,\n      start: getRange.bind(null, 'start', 0, ranges),\n      end: getRange.bind(null, 'end', 1, ranges)\n    };\n  }\n  /**\n   * Create a `TimeRange` object which mimics an\n   * {@link https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges|HTML5 TimeRanges instance}.\n   *\n   * @param {number|Array[]} start\n   *        The start of a single range (a number) or an array of ranges (an\n   *        array of arrays of two numbers each).\n   *\n   * @param {number} end\n   *        The end of a single range. Cannot be used with the array form of\n   *        the `start` argument.\n   */\n\n\n  function createTimeRanges(start, end) {\n    if (Array.isArray(start)) {\n      return createTimeRangesObj(start);\n    } else if (start === undefined || end === undefined) {\n      return createTimeRangesObj();\n    }\n\n    return createTimeRangesObj([[start, end]]);\n  }\n\n  /**\n   * @file buffer.js\n   * @module buffer\n   */\n  /**\n   * Compute the percentage of the media that has been buffered.\n   *\n   * @param {TimeRange} buffered\n   *        The current `TimeRange` object representing buffered time ranges\n   *\n   * @param {number} duration\n   *        Total duration of the media\n   *\n   * @return {number}\n   *         Percent buffered of the total duration in decimal form.\n   */\n\n  function bufferedPercent(buffered, duration) {\n    var bufferedDuration = 0;\n    var start;\n    var end;\n\n    if (!duration) {\n      return 0;\n    }\n\n    if (!buffered || !buffered.length) {\n      buffered = createTimeRanges(0, 0);\n    }\n\n    for (var i = 0; i < buffered.length; i++) {\n      start = buffered.start(i);\n      end = buffered.end(i); // buffered end can be bigger than duration by a very small fraction\n\n      if (end > duration) {\n        end = duration;\n      }\n\n      bufferedDuration += end - start;\n    }\n\n    return bufferedDuration / duration;\n  }\n\n  /**\n   * @file fullscreen-api.js\n   * @module fullscreen-api\n   * @private\n   */\n  /**\n   * Store the browser-specific methods for the fullscreen API.\n   *\n   * @type {Object}\n   * @see [Specification]{@link https://fullscreen.spec.whatwg.org}\n   * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}\n   */\n\n  var FullscreenApi = {\n    prefixed: true\n  }; // browser API methods\n\n  var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror', 'fullscreen'], // WebKit\n  ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror', '-webkit-full-screen'], // Mozilla\n  ['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror', '-moz-full-screen'], // Microsoft\n  ['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError', '-ms-fullscreen']];\n  var specApi = apiMap[0];\n  var browserApi; // determine the supported set of functions\n\n  for (var i = 0; i < apiMap.length; i++) {\n    // check for exitFullscreen function\n    if (apiMap[i][1] in document) {\n      browserApi = apiMap[i];\n      break;\n    }\n  } // map the browser API names to the spec API names\n\n\n  if (browserApi) {\n    for (var _i = 0; _i < browserApi.length; _i++) {\n      FullscreenApi[specApi[_i]] = browserApi[_i];\n    }\n\n    FullscreenApi.prefixed = browserApi[0] !== specApi[0];\n  }\n\n  /**\n   * @file media-error.js\n   */\n  /**\n   * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.\n   *\n   * @param {number|string|Object|MediaError} value\n   *        This can be of multiple types:\n   *        - number: should be a standard error code\n   *        - string: an error message (the code will be 0)\n   *        - Object: arbitrary properties\n   *        - `MediaError` (native): used to populate a video.js `MediaError` object\n   *        - `MediaError` (video.js): will return itself if it's already a\n   *          video.js `MediaError` object.\n   *\n   * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}\n   * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}\n   *\n   * @class MediaError\n   */\n\n  function MediaError(value) {\n    // Allow redundant calls to this constructor to avoid having `instanceof`\n    // checks peppered around the code.\n    if (value instanceof MediaError) {\n      return value;\n    }\n\n    if (typeof value === 'number') {\n      this.code = value;\n    } else if (typeof value === 'string') {\n      // default code is zero, so this is a custom error\n      this.message = value;\n    } else if (isObject(value)) {\n      // We assign the `code` property manually because native `MediaError` objects\n      // do not expose it as an own/enumerable property of the object.\n      if (typeof value.code === 'number') {\n        this.code = value.code;\n      }\n\n      assign(this, value);\n    }\n\n    if (!this.message) {\n      this.message = MediaError.defaultMessages[this.code] || '';\n    }\n  }\n  /**\n   * The error code that refers two one of the defined `MediaError` types\n   *\n   * @type {Number}\n   */\n\n\n  MediaError.prototype.code = 0;\n  /**\n   * An optional message that to show with the error. Message is not part of the HTML5\n   * video spec but allows for more informative custom errors.\n   *\n   * @type {String}\n   */\n\n  MediaError.prototype.message = '';\n  /**\n   * An optional status code that can be set by plugins to allow even more detail about\n   * the error. For example a plugin might provide a specific HTTP status code and an\n   * error message for that code. Then when the plugin gets that error this class will\n   * know how to display an error message for it. This allows a custom message to show\n   * up on the `Player` error overlay.\n   *\n   * @type {Array}\n   */\n\n  MediaError.prototype.status = null;\n  /**\n   * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the\n   * specification listed under {@link MediaError} for more information.\n   *\n   * @enum {array}\n   * @readonly\n   * @property {string} 0 - MEDIA_ERR_CUSTOM\n   * @property {string} 1 - MEDIA_ERR_ABORTED\n   * @property {string} 2 - MEDIA_ERR_NETWORK\n   * @property {string} 3 - MEDIA_ERR_DECODE\n   * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED\n   * @property {string} 5 - MEDIA_ERR_ENCRYPTED\n   */\n\n  MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];\n  /**\n   * The default `MediaError` messages based on the {@link MediaError.errorTypes}.\n   *\n   * @type {Array}\n   * @constant\n   */\n\n  MediaError.defaultMessages = {\n    1: 'You aborted the media playback',\n    2: 'A network error caused the media download to fail part-way.',\n    3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',\n    4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',\n    5: 'The media is encrypted and we do not have the keys to decrypt it.'\n  }; // Add types as properties on MediaError\n  // e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;\n\n  for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {\n    MediaError[MediaError.errorTypes[errNum]] = errNum; // values should be accessible on both the class and instance\n\n    MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;\n  } // jsdocs for instance/static members added above\n\n  var tuple = SafeParseTuple;\n\n  function SafeParseTuple(obj, reviver) {\n    var json;\n    var error = null;\n\n    try {\n      json = JSON.parse(obj, reviver);\n    } catch (err) {\n      error = err;\n    }\n\n    return [error, json];\n  }\n\n  /**\n   * Returns whether an object is `Promise`-like (i.e. has a `then` method).\n   *\n   * @param  {Object}  value\n   *         An object that may or may not be `Promise`-like.\n   *\n   * @return {boolean}\n   *         Whether or not the object is `Promise`-like.\n   */\n  function isPromise(value) {\n    return value !== undefined && value !== null && typeof value.then === 'function';\n  }\n  /**\n   * Silence a Promise-like object.\n   *\n   * This is useful for avoiding non-harmful, but potentially confusing \"uncaught\n   * play promise\" rejection error messages.\n   *\n   * @param  {Object} value\n   *         An object that may or may not be `Promise`-like.\n   */\n\n  function silencePromise(value) {\n    if (isPromise(value)) {\n      value.then(null, function (e) {});\n    }\n  }\n\n  /**\n   * @file text-track-list-converter.js Utilities for capturing text track state and\n   * re-creating tracks based on a capture.\n   *\n   * @module text-track-list-converter\n   */\n\n  /**\n   * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that\n   * represents the {@link TextTrack}'s state.\n   *\n   * @param {TextTrack} track\n   *        The text track to query.\n   *\n   * @return {Object}\n   *         A serializable javascript representation of the TextTrack.\n   * @private\n   */\n  var trackToJson_ = function trackToJson_(track) {\n    var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {\n      if (track[prop]) {\n        acc[prop] = track[prop];\n      }\n\n      return acc;\n    }, {\n      cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {\n        return {\n          startTime: cue.startTime,\n          endTime: cue.endTime,\n          text: cue.text,\n          id: cue.id\n        };\n      })\n    });\n    return ret;\n  };\n  /**\n   * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the\n   * state of all {@link TextTrack}s currently configured. The return array is compatible with\n   * {@link text-track-list-converter:jsonToTextTracks}.\n   *\n   * @param {Tech} tech\n   *        The tech object to query\n   *\n   * @return {Array}\n   *         A serializable javascript representation of the {@link Tech}s\n   *         {@link TextTrackList}.\n   */\n\n\n  var textTracksToJson = function textTracksToJson(tech) {\n    var trackEls = tech.$$('track');\n    var trackObjs = Array.prototype.map.call(trackEls, function (t) {\n      return t.track;\n    });\n    var tracks = Array.prototype.map.call(trackEls, function (trackEl) {\n      var json = trackToJson_(trackEl.track);\n\n      if (trackEl.src) {\n        json.src = trackEl.src;\n      }\n\n      return json;\n    });\n    return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {\n      return trackObjs.indexOf(track) === -1;\n    }).map(trackToJson_));\n  };\n  /**\n   * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript\n   * object {@link TextTrack} representations.\n   *\n   * @param {Array} json\n   *        An array of `TextTrack` representation objects, like those that would be\n   *        produced by `textTracksToJson`.\n   *\n   * @param {Tech} tech\n   *        The `Tech` to create the `TextTrack`s on.\n   */\n\n\n  var jsonToTextTracks = function jsonToTextTracks(json, tech) {\n    json.forEach(function (track) {\n      var addedTrack = tech.addRemoteTextTrack(track).track;\n\n      if (!track.src && track.cues) {\n        track.cues.forEach(function (cue) {\n          return addedTrack.addCue(cue);\n        });\n      }\n    });\n    return tech.textTracks();\n  };\n\n  var textTrackConverter = {\n    textTracksToJson: textTracksToJson,\n    jsonToTextTracks: jsonToTextTracks,\n    trackToJson_: trackToJson_\n  };\n\n  var keycode = createCommonjsModule(function (module, exports) {\n    // Source: http://jsfiddle.net/vWx8V/\n    // http://stackoverflow.com/questions/5603195/full-list-of-javascript-keycodes\n\n    /**\n     * Conenience method returns corresponding value for given keyName or keyCode.\n     *\n     * @param {Mixed} keyCode {Number} or keyName {String}\n     * @return {Mixed}\n     * @api public\n     */\n    function keyCode(searchInput) {\n      // Keyboard Events\n      if (searchInput && 'object' === typeof searchInput) {\n        var hasKeyCode = searchInput.which || searchInput.keyCode || searchInput.charCode;\n        if (hasKeyCode) searchInput = hasKeyCode;\n      } // Numbers\n\n\n      if ('number' === typeof searchInput) return names[searchInput]; // Everything else (cast to string)\n\n      var search = String(searchInput); // check codes\n\n      var foundNamedKey = codes[search.toLowerCase()];\n      if (foundNamedKey) return foundNamedKey; // check aliases\n\n      var foundNamedKey = aliases[search.toLowerCase()];\n      if (foundNamedKey) return foundNamedKey; // weird character?\n\n      if (search.length === 1) return search.charCodeAt(0);\n      return undefined;\n    }\n    /**\n     * Compares a keyboard event with a given keyCode or keyName.\n     *\n     * @param {Event} event Keyboard event that should be tested\n     * @param {Mixed} keyCode {Number} or keyName {String}\n     * @return {Boolean}\n     * @api public\n     */\n\n\n    keyCode.isEventKey = function isEventKey(event, nameOrCode) {\n      if (event && 'object' === typeof event) {\n        var keyCode = event.which || event.keyCode || event.charCode;\n\n        if (keyCode === null || keyCode === undefined) {\n          return false;\n        }\n\n        if (typeof nameOrCode === 'string') {\n          // check codes\n          var foundNamedKey = codes[nameOrCode.toLowerCase()];\n\n          if (foundNamedKey) {\n            return foundNamedKey === keyCode;\n          } // check aliases\n\n\n          var foundNamedKey = aliases[nameOrCode.toLowerCase()];\n\n          if (foundNamedKey) {\n            return foundNamedKey === keyCode;\n          }\n        } else if (typeof nameOrCode === 'number') {\n          return nameOrCode === keyCode;\n        }\n\n        return false;\n      }\n    };\n\n    exports = module.exports = keyCode;\n    /**\n     * Get by name\n     *\n     *   exports.code['enter'] // => 13\n     */\n\n    var codes = exports.code = exports.codes = {\n      'backspace': 8,\n      'tab': 9,\n      'enter': 13,\n      'shift': 16,\n      'ctrl': 17,\n      'alt': 18,\n      'pause/break': 19,\n      'caps lock': 20,\n      'esc': 27,\n      'space': 32,\n      'page up': 33,\n      'page down': 34,\n      'end': 35,\n      'home': 36,\n      'left': 37,\n      'up': 38,\n      'right': 39,\n      'down': 40,\n      'insert': 45,\n      'delete': 46,\n      'command': 91,\n      'left command': 91,\n      'right command': 93,\n      'numpad *': 106,\n      'numpad +': 107,\n      'numpad -': 109,\n      'numpad .': 110,\n      'numpad /': 111,\n      'num lock': 144,\n      'scroll lock': 145,\n      'my computer': 182,\n      'my calculator': 183,\n      ';': 186,\n      '=': 187,\n      ',': 188,\n      '-': 189,\n      '.': 190,\n      '/': 191,\n      '`': 192,\n      '[': 219,\n      '\\\\': 220,\n      ']': 221,\n      \"'\": 222\n    }; // Helper aliases\n\n    var aliases = exports.aliases = {\n      'windows': 91,\n      '⇧': 16,\n      '⌥': 18,\n      '⌃': 17,\n      '⌘': 91,\n      'ctl': 17,\n      'control': 17,\n      'option': 18,\n      'pause': 19,\n      'break': 19,\n      'caps': 20,\n      'return': 13,\n      'escape': 27,\n      'spc': 32,\n      'spacebar': 32,\n      'pgup': 33,\n      'pgdn': 34,\n      'ins': 45,\n      'del': 46,\n      'cmd': 91\n    };\n    /*!\n     * Programatically add the following\n     */\n    // lower case chars\n\n    for (i = 97; i < 123; i++) {\n      codes[String.fromCharCode(i)] = i - 32;\n    } // numbers\n\n\n    for (var i = 48; i < 58; i++) {\n      codes[i - 48] = i;\n    } // function keys\n\n\n    for (i = 1; i < 13; i++) {\n      codes['f' + i] = i + 111;\n    } // numpad keys\n\n\n    for (i = 0; i < 10; i++) {\n      codes['numpad ' + i] = i + 96;\n    }\n    /**\n     * Get by code\n     *\n     *   exports.name[13] // => 'Enter'\n     */\n\n\n    var names = exports.names = exports.title = {}; // title for backward compat\n    // Create reverse mapping\n\n    for (i in codes) {\n      names[codes[i]] = i;\n    } // Add aliases\n\n\n    for (var alias in aliases) {\n      codes[alias] = aliases[alias];\n    }\n  });\n  var keycode_1 = keycode.code;\n  var keycode_2 = keycode.codes;\n  var keycode_3 = keycode.aliases;\n  var keycode_4 = keycode.names;\n  var keycode_5 = keycode.title;\n\n  var MODAL_CLASS_NAME = 'vjs-modal-dialog';\n  /**\n   * The `ModalDialog` displays over the video and its controls, which blocks\n   * interaction with the player until it is closed.\n   *\n   * Modal dialogs include a \"Close\" button and will close when that button\n   * is activated - or when ESC is pressed anywhere.\n   *\n   * @extends Component\n   */\n\n  var ModalDialog = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ModalDialog, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Mixed} [options.content=undefined]\n     *        Provide customized content for this modal.\n     *\n     * @param {string} [options.description]\n     *        A text description for the modal, primarily for accessibility.\n     *\n     * @param {boolean} [options.fillAlways=false]\n     *        Normally, modals are automatically filled only the first time\n     *        they open. This tells the modal to refresh its content\n     *        every time it opens.\n     *\n     * @param {string} [options.label]\n     *        A text label for the modal, primarily for accessibility.\n     *\n     * @param {boolean} [options.pauseOnOpen=true]\n     *        If `true`, playback will will be paused if playing when\n     *        the modal opens, and resumed when it closes.\n     *\n     * @param {boolean} [options.temporary=true]\n     *        If `true`, the modal can only be opened once; it will be\n     *        disposed as soon as it's closed.\n     *\n     * @param {boolean} [options.uncloseable=false]\n     *        If `true`, the user will not be able to close the modal\n     *        through the UI in the normal ways. Programmatic closing is\n     *        still possible.\n     */\n    function ModalDialog(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;\n\n      _this.closeable(!_this.options_.uncloseable);\n\n      _this.content(_this.options_.content); // Make sure the contentEl is defined AFTER any children are initialized\n      // because we only want the contents of the modal in the contentEl\n      // (not the UI elements like the close button).\n\n\n      _this.contentEl_ = createEl('div', {\n        className: MODAL_CLASS_NAME + \"-content\"\n      }, {\n        role: 'document'\n      });\n      _this.descEl_ = createEl('p', {\n        className: MODAL_CLASS_NAME + \"-description vjs-control-text\",\n        id: _this.el().getAttribute('aria-describedby')\n      });\n      textContent(_this.descEl_, _this.description());\n\n      _this.el_.appendChild(_this.descEl_);\n\n      _this.el_.appendChild(_this.contentEl_);\n\n      return _this;\n    }\n    /**\n     * Create the `ModalDialog`'s DOM element\n     *\n     * @return {Element}\n     *         The DOM element that gets created.\n     */\n\n\n    var _proto = ModalDialog.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildCSSClass(),\n        tabIndex: -1\n      }, {\n        'aria-describedby': this.id() + \"_description\",\n        'aria-hidden': 'true',\n        'aria-label': this.label(),\n        'role': 'dialog'\n      });\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.descEl_ = null;\n      this.previouslyActiveEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return MODAL_CLASS_NAME + \" vjs-hidden \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Returns the label string for this modal. Primarily used for accessibility.\n     *\n     * @return {string}\n     *         the localized or raw label of this modal.\n     */\n    ;\n\n    _proto.label = function label() {\n      return this.localize(this.options_.label || 'Modal Window');\n    }\n    /**\n     * Returns the description string for this modal. Primarily used for\n     * accessibility.\n     *\n     * @return {string}\n     *         The localized or raw description of this modal.\n     */\n    ;\n\n    _proto.description = function description() {\n      var desc = this.options_.description || this.localize('This is a modal window.'); // Append a universal closeability message if the modal is closeable.\n\n      if (this.closeable()) {\n        desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');\n      }\n\n      return desc;\n    }\n    /**\n     * Opens the modal.\n     *\n     * @fires ModalDialog#beforemodalopen\n     * @fires ModalDialog#modalopen\n     */\n    ;\n\n    _proto.open = function open() {\n      if (!this.opened_) {\n        var player = this.player();\n        /**\n          * Fired just before a `ModalDialog` is opened.\n          *\n          * @event ModalDialog#beforemodalopen\n          * @type {EventTarget~Event}\n          */\n\n        this.trigger('beforemodalopen');\n        this.opened_ = true; // Fill content if the modal has never opened before and\n        // never been filled.\n\n        if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {\n          this.fill();\n        } // If the player was playing, pause it and take note of its previously\n        // playing state.\n\n\n        this.wasPlaying_ = !player.paused();\n\n        if (this.options_.pauseOnOpen && this.wasPlaying_) {\n          player.pause();\n        }\n\n        this.on('keydown', this.handleKeyDown); // Hide controls and note if they were enabled.\n\n        this.hadControls_ = player.controls();\n        player.controls(false);\n        this.show();\n        this.conditionalFocus_();\n        this.el().setAttribute('aria-hidden', 'false');\n        /**\n          * Fired just after a `ModalDialog` is opened.\n          *\n          * @event ModalDialog#modalopen\n          * @type {EventTarget~Event}\n          */\n\n        this.trigger('modalopen');\n        this.hasBeenOpened_ = true;\n      }\n    }\n    /**\n     * If the `ModalDialog` is currently open or closed.\n     *\n     * @param  {boolean} [value]\n     *         If given, it will open (`true`) or close (`false`) the modal.\n     *\n     * @return {boolean}\n     *         the current open state of the modaldialog\n     */\n    ;\n\n    _proto.opened = function opened(value) {\n      if (typeof value === 'boolean') {\n        this[value ? 'open' : 'close']();\n      }\n\n      return this.opened_;\n    }\n    /**\n     * Closes the modal, does nothing if the `ModalDialog` is\n     * not open.\n     *\n     * @fires ModalDialog#beforemodalclose\n     * @fires ModalDialog#modalclose\n     */\n    ;\n\n    _proto.close = function close() {\n      if (!this.opened_) {\n        return;\n      }\n\n      var player = this.player();\n      /**\n        * Fired just before a `ModalDialog` is closed.\n        *\n        * @event ModalDialog#beforemodalclose\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('beforemodalclose');\n      this.opened_ = false;\n\n      if (this.wasPlaying_ && this.options_.pauseOnOpen) {\n        player.play();\n      }\n\n      this.off('keydown', this.handleKeyDown);\n\n      if (this.hadControls_) {\n        player.controls(true);\n      }\n\n      this.hide();\n      this.el().setAttribute('aria-hidden', 'true');\n      /**\n        * Fired just after a `ModalDialog` is closed.\n        *\n        * @event ModalDialog#modalclose\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('modalclose');\n      this.conditionalBlur_();\n\n      if (this.options_.temporary) {\n        this.dispose();\n      }\n    }\n    /**\n     * Check to see if the `ModalDialog` is closeable via the UI.\n     *\n     * @param  {boolean} [value]\n     *         If given as a boolean, it will set the `closeable` option.\n     *\n     * @return {boolean}\n     *         Returns the final value of the closable option.\n     */\n    ;\n\n    _proto.closeable = function closeable(value) {\n      if (typeof value === 'boolean') {\n        var closeable = this.closeable_ = !!value;\n        var close = this.getChild('closeButton'); // If this is being made closeable and has no close button, add one.\n\n        if (closeable && !close) {\n          // The close button should be a child of the modal - not its\n          // content element, so temporarily change the content element.\n          var temp = this.contentEl_;\n          this.contentEl_ = this.el_;\n          close = this.addChild('closeButton', {\n            controlText: 'Close Modal Dialog'\n          });\n          this.contentEl_ = temp;\n          this.on(close, 'close', this.close);\n        } // If this is being made uncloseable and has a close button, remove it.\n\n\n        if (!closeable && close) {\n          this.off(close, 'close', this.close);\n          this.removeChild(close);\n          close.dispose();\n        }\n      }\n\n      return this.closeable_;\n    }\n    /**\n     * Fill the modal's content element with the modal's \"content\" option.\n     * The content element will be emptied before this change takes place.\n     */\n    ;\n\n    _proto.fill = function fill() {\n      this.fillWith(this.content());\n    }\n    /**\n     * Fill the modal's content element with arbitrary content.\n     * The content element will be emptied before this change takes place.\n     *\n     * @fires ModalDialog#beforemodalfill\n     * @fires ModalDialog#modalfill\n     *\n     * @param {Mixed} [content]\n     *        The same rules apply to this as apply to the `content` option.\n     */\n    ;\n\n    _proto.fillWith = function fillWith(content) {\n      var contentEl = this.contentEl();\n      var parentEl = contentEl.parentNode;\n      var nextSiblingEl = contentEl.nextSibling;\n      /**\n        * Fired just before a `ModalDialog` is filled with content.\n        *\n        * @event ModalDialog#beforemodalfill\n        * @type {EventTarget~Event}\n        */\n\n      this.trigger('beforemodalfill');\n      this.hasBeenFilled_ = true; // Detach the content element from the DOM before performing\n      // manipulation to avoid modifying the live DOM multiple times.\n\n      parentEl.removeChild(contentEl);\n      this.empty();\n      insertContent(contentEl, content);\n      /**\n       * Fired just after a `ModalDialog` is filled with content.\n       *\n       * @event ModalDialog#modalfill\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('modalfill'); // Re-inject the re-filled content element.\n\n      if (nextSiblingEl) {\n        parentEl.insertBefore(contentEl, nextSiblingEl);\n      } else {\n        parentEl.appendChild(contentEl);\n      } // make sure that the close button is last in the dialog DOM\n\n\n      var closeButton = this.getChild('closeButton');\n\n      if (closeButton) {\n        parentEl.appendChild(closeButton.el_);\n      }\n    }\n    /**\n     * Empties the content element. This happens anytime the modal is filled.\n     *\n     * @fires ModalDialog#beforemodalempty\n     * @fires ModalDialog#modalempty\n     */\n    ;\n\n    _proto.empty = function empty() {\n      /**\n      * Fired just before a `ModalDialog` is emptied.\n      *\n      * @event ModalDialog#beforemodalempty\n      * @type {EventTarget~Event}\n      */\n      this.trigger('beforemodalempty');\n      emptyEl(this.contentEl());\n      /**\n      * Fired just after a `ModalDialog` is emptied.\n      *\n      * @event ModalDialog#modalempty\n      * @type {EventTarget~Event}\n      */\n\n      this.trigger('modalempty');\n    }\n    /**\n     * Gets or sets the modal content, which gets normalized before being\n     * rendered into the DOM.\n     *\n     * This does not update the DOM or fill the modal, but it is called during\n     * that process.\n     *\n     * @param  {Mixed} [value]\n     *         If defined, sets the internal content value to be used on the\n     *         next call(s) to `fill`. This value is normalized before being\n     *         inserted. To \"clear\" the internal content value, pass `null`.\n     *\n     * @return {Mixed}\n     *         The current content of the modal dialog\n     */\n    ;\n\n    _proto.content = function content(value) {\n      if (typeof value !== 'undefined') {\n        this.content_ = value;\n      }\n\n      return this.content_;\n    }\n    /**\n     * conditionally focus the modal dialog if focus was previously on the player.\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalFocus_ = function conditionalFocus_() {\n      var activeEl = document.activeElement;\n      var playerEl = this.player_.el_;\n      this.previouslyActiveEl_ = null;\n\n      if (playerEl.contains(activeEl) || playerEl === activeEl) {\n        this.previouslyActiveEl_ = activeEl;\n        this.focus();\n      }\n    }\n    /**\n     * conditionally blur the element and refocus the last focused element\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalBlur_ = function conditionalBlur_() {\n      if (this.previouslyActiveEl_) {\n        this.previouslyActiveEl_.focus();\n        this.previouslyActiveEl_ = null;\n      }\n    }\n    /**\n     * Keydown handler. Attached when modal is focused.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Do not allow keydowns to reach out of the modal dialog.\n      event.stopPropagation();\n\n      if (keycode.isEventKey(event, 'Escape') && this.closeable()) {\n        event.preventDefault();\n        this.close();\n        return;\n      } // exit early if it isn't a tab key\n\n\n      if (!keycode.isEventKey(event, 'Tab')) {\n        return;\n      }\n\n      var focusableEls = this.focusableEls_();\n      var activeEl = this.el_.querySelector(':focus');\n      var focusIndex;\n\n      for (var i = 0; i < focusableEls.length; i++) {\n        if (activeEl === focusableEls[i]) {\n          focusIndex = i;\n          break;\n        }\n      }\n\n      if (document.activeElement === this.el_) {\n        focusIndex = 0;\n      }\n\n      if (event.shiftKey && focusIndex === 0) {\n        focusableEls[focusableEls.length - 1].focus();\n        event.preventDefault();\n      } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {\n        focusableEls[0].focus();\n        event.preventDefault();\n      }\n    }\n    /**\n     * get all focusable elements\n     *\n     * @private\n     */\n    ;\n\n    _proto.focusableEls_ = function focusableEls_() {\n      var allChildren = this.el_.querySelectorAll('*');\n      return Array.prototype.filter.call(allChildren, function (child) {\n        return (child instanceof window$3.HTMLAnchorElement || child instanceof window$3.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window$3.HTMLInputElement || child instanceof window$3.HTMLSelectElement || child instanceof window$3.HTMLTextAreaElement || child instanceof window$3.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window$3.HTMLIFrameElement || child instanceof window$3.HTMLObjectElement || child instanceof window$3.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');\n      });\n    };\n\n    return ModalDialog;\n  }(Component);\n  /**\n   * Default options for `ModalDialog` default options.\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ModalDialog.prototype.options_ = {\n    pauseOnOpen: true,\n    temporary: true\n  };\n  Component.registerComponent('ModalDialog', ModalDialog);\n\n  /**\n   * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and\n   * {@link VideoTrackList}\n   *\n   * @extends EventTarget\n   */\n\n  var TrackList = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(TrackList, _EventTarget);\n\n    /**\n     * Create an instance of this class\n     *\n     * @param {Track[]} tracks\n     *        A list of tracks to initialize the list with.\n     *\n     * @abstract\n     */\n    function TrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      _this = _EventTarget.call(this) || this;\n      _this.tracks_ = [];\n      /**\n       * @memberof TrackList\n       * @member {number} length\n       *         The current number of `Track`s in the this Trackist.\n       * @instance\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'length', {\n        get: function get() {\n          return this.tracks_.length;\n        }\n      });\n\n      for (var i = 0; i < tracks.length; i++) {\n        _this.addTrack(tracks[i]);\n      }\n\n      return _this;\n    }\n    /**\n     * Add a {@link Track} to the `TrackList`\n     *\n     * @param {Track} track\n     *        The audio, video, or text track to add to the list.\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = TrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var index = this.tracks_.length;\n\n      if (!('' + index in this)) {\n        Object.defineProperty(this, index, {\n          get: function get() {\n            return this.tracks_[index];\n          }\n        });\n      } // Do not add duplicate tracks\n\n\n      if (this.tracks_.indexOf(track) === -1) {\n        this.tracks_.push(track);\n        /**\n         * Triggered when a track is added to a track list.\n         *\n         * @event TrackList#addtrack\n         * @type {EventTarget~Event}\n         * @property {Track} track\n         *           A reference to track that was added.\n         */\n\n        this.trigger({\n          track: track,\n          type: 'addtrack',\n          target: this\n        });\n      }\n    }\n    /**\n     * Remove a {@link Track} from the `TrackList`\n     *\n     * @param {Track} rtrack\n     *        The audio, video, or text track to remove from the list.\n     *\n     * @fires TrackList#removetrack\n     */\n    ;\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      var track;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        if (this[i] === rtrack) {\n          track = this[i];\n\n          if (track.off) {\n            track.off();\n          }\n\n          this.tracks_.splice(i, 1);\n          break;\n        }\n      }\n\n      if (!track) {\n        return;\n      }\n      /**\n       * Triggered when a track is removed from track list.\n       *\n       * @event TrackList#removetrack\n       * @type {EventTarget~Event}\n       * @property {Track} track\n       *           A reference to track that was removed.\n       */\n\n\n      this.trigger({\n        track: track,\n        type: 'removetrack',\n        target: this\n      });\n    }\n    /**\n     * Get a Track from the TrackList by a tracks id\n     *\n     * @param {string} id - the id of the track to get\n     * @method getTrackById\n     * @return {Track}\n     * @private\n     */\n    ;\n\n    _proto.getTrackById = function getTrackById(id) {\n      var result = null;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        var track = this[i];\n\n        if (track.id === id) {\n          result = track;\n          break;\n        }\n      }\n\n      return result;\n    };\n\n    return TrackList;\n  }(EventTarget);\n  /**\n   * Triggered when a different track is selected/enabled.\n   *\n   * @event TrackList#change\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Events that can be called with on + eventName. See {@link EventHandler}.\n   *\n   * @property {Object} TrackList#allowedEvents_\n   * @private\n   */\n\n\n  TrackList.prototype.allowedEvents_ = {\n    change: 'change',\n    addtrack: 'addtrack',\n    removetrack: 'removetrack'\n  }; // emulate attribute EventHandler support to allow for feature detection\n\n  for (var event in TrackList.prototype.allowedEvents_) {\n    TrackList.prototype['on' + event] = null;\n  }\n\n  /**\n   * Anywhere we call this function we diverge from the spec\n   * as we only support one enabled audiotrack at a time\n   *\n   * @param {AudioTrackList} list\n   *        list to work on\n   *\n   * @param {AudioTrack} track\n   *        The track to skip\n   *\n   * @private\n   */\n\n  var disableOthers = function disableOthers(list, track) {\n    for (var i = 0; i < list.length; i++) {\n      if (!Object.keys(list[i]).length || track.id === list[i].id) {\n        continue;\n      } // another audio track is enabled, disable it\n\n\n      list[i].enabled = false;\n    }\n  };\n  /**\n   * The current list of {@link AudioTrack} for a media file.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}\n   * @extends TrackList\n   */\n\n\n  var AudioTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(AudioTrackList, _TrackList);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {AudioTrack[]} [tracks=[]]\n     *        A list of `AudioTrack` to instantiate the list with.\n     */\n    function AudioTrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      // make sure only 1 track is enabled\n      // sorted from last index to first index\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        if (tracks[i].enabled) {\n          disableOthers(tracks, tracks[i]);\n          break;\n        }\n      }\n\n      _this = _TrackList.call(this, tracks) || this;\n      _this.changing_ = false;\n      return _this;\n    }\n    /**\n     * Add an {@link AudioTrack} to the `AudioTrackList`.\n     *\n     * @param {AudioTrack} track\n     *        The AudioTrack to add to the list\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = AudioTrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var _this2 = this;\n\n      if (track.enabled) {\n        disableOthers(this, track);\n      }\n\n      _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this\n\n\n      if (!track.addEventListener) {\n        return;\n      }\n\n      track.enabledChange_ = function () {\n        // when we are disabling other tracks (since we don't support\n        // more than one track at a time) we will set changing_\n        // to true so that we don't trigger additional change events\n        if (_this2.changing_) {\n          return;\n        }\n\n        _this2.changing_ = true;\n        disableOthers(_this2, track);\n        _this2.changing_ = false;\n\n        _this2.trigger('change');\n      };\n      /**\n       * @listens AudioTrack#enabledchange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('enabledchange', track.enabledChange_);\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack);\n\n      if (rtrack.removeEventListener && rtrack.enabledChange_) {\n        rtrack.removeEventListener('enabledchange', rtrack.enabledChange_);\n        rtrack.enabledChange_ = null;\n      }\n    };\n\n    return AudioTrackList;\n  }(TrackList);\n\n  /**\n   * Un-select all other {@link VideoTrack}s that are selected.\n   *\n   * @param {VideoTrackList} list\n   *        list to work on\n   *\n   * @param {VideoTrack} track\n   *        The track to skip\n   *\n   * @private\n   */\n\n  var disableOthers$1 = function disableOthers(list, track) {\n    for (var i = 0; i < list.length; i++) {\n      if (!Object.keys(list[i]).length || track.id === list[i].id) {\n        continue;\n      } // another video track is enabled, disable it\n\n\n      list[i].selected = false;\n    }\n  };\n  /**\n   * The current list of {@link VideoTrack} for a video.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}\n   * @extends TrackList\n   */\n\n\n  var VideoTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(VideoTrackList, _TrackList);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {VideoTrack[]} [tracks=[]]\n     *        A list of `VideoTrack` to instantiate the list with.\n     */\n    function VideoTrackList(tracks) {\n      var _this;\n\n      if (tracks === void 0) {\n        tracks = [];\n      }\n\n      // make sure only 1 track is enabled\n      // sorted from last index to first index\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        if (tracks[i].selected) {\n          disableOthers$1(tracks, tracks[i]);\n          break;\n        }\n      }\n\n      _this = _TrackList.call(this, tracks) || this;\n      _this.changing_ = false;\n      /**\n       * @member {number} VideoTrackList#selectedIndex\n       *         The current index of the selected {@link VideoTrack`}.\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'selectedIndex', {\n        get: function get() {\n          for (var _i = 0; _i < this.length; _i++) {\n            if (this[_i].selected) {\n              return _i;\n            }\n          }\n\n          return -1;\n        },\n        set: function set() {}\n      });\n      return _this;\n    }\n    /**\n     * Add a {@link VideoTrack} to the `VideoTrackList`.\n     *\n     * @param {VideoTrack} track\n     *        The VideoTrack to add to the list\n     *\n     * @fires TrackList#addtrack\n     */\n\n\n    var _proto = VideoTrackList.prototype;\n\n    _proto.addTrack = function addTrack(track) {\n      var _this2 = this;\n\n      if (track.selected) {\n        disableOthers$1(this, track);\n      }\n\n      _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this\n\n\n      if (!track.addEventListener) {\n        return;\n      }\n\n      track.selectedChange_ = function () {\n        if (_this2.changing_) {\n          return;\n        }\n\n        _this2.changing_ = true;\n        disableOthers$1(_this2, track);\n        _this2.changing_ = false;\n\n        _this2.trigger('change');\n      };\n      /**\n       * @listens VideoTrack#selectedchange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('selectedchange', track.selectedChange_);\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack);\n\n      if (rtrack.removeEventListener && rtrack.selectedChange_) {\n        rtrack.removeEventListener('selectedchange', rtrack.selectedChange_);\n        rtrack.selectedChange_ = null;\n      }\n    };\n\n    return VideoTrackList;\n  }(TrackList);\n\n  /**\n   * The current list of {@link TextTrack} for a media file.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}\n   * @extends TrackList\n   */\n\n  var TextTrackList = /*#__PURE__*/function (_TrackList) {\n    inheritsLoose(TextTrackList, _TrackList);\n\n    function TextTrackList() {\n      return _TrackList.apply(this, arguments) || this;\n    }\n\n    var _proto = TextTrackList.prototype;\n\n    /**\n     * Add a {@link TextTrack} to the `TextTrackList`\n     *\n     * @param {TextTrack} track\n     *        The text track to add to the list.\n     *\n     * @fires TrackList#addtrack\n     */\n    _proto.addTrack = function addTrack(track) {\n      var _this = this;\n\n      _TrackList.prototype.addTrack.call(this, track);\n\n      if (!this.queueChange_) {\n        this.queueChange_ = function () {\n          return _this.queueTrigger('change');\n        };\n      }\n\n      if (!this.triggerSelectedlanguagechange) {\n        this.triggerSelectedlanguagechange_ = function () {\n          return _this.trigger('selectedlanguagechange');\n        };\n      }\n      /**\n       * @listens TextTrack#modechange\n       * @fires TrackList#change\n       */\n\n\n      track.addEventListener('modechange', this.queueChange_);\n      var nonLanguageTextTrackKind = ['metadata', 'chapters'];\n\n      if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {\n        track.addEventListener('modechange', this.triggerSelectedlanguagechange_);\n      }\n    };\n\n    _proto.removeTrack = function removeTrack(rtrack) {\n      _TrackList.prototype.removeTrack.call(this, rtrack); // manually remove the event handlers we added\n\n\n      if (rtrack.removeEventListener) {\n        if (this.queueChange_) {\n          rtrack.removeEventListener('modechange', this.queueChange_);\n        }\n\n        if (this.selectedlanguagechange_) {\n          rtrack.removeEventListener('modechange', this.triggerSelectedlanguagechange_);\n        }\n      }\n    };\n\n    return TextTrackList;\n  }(TrackList);\n\n  /**\n   * @file html-track-element-list.js\n   */\n\n  /**\n   * The current list of {@link HtmlTrackElement}s.\n   */\n  var HtmlTrackElementList = /*#__PURE__*/function () {\n    /**\n     * Create an instance of this class.\n     *\n     * @param {HtmlTrackElement[]} [tracks=[]]\n     *        A list of `HtmlTrackElement` to instantiate the list with.\n     */\n    function HtmlTrackElementList(trackElements) {\n      if (trackElements === void 0) {\n        trackElements = [];\n      }\n\n      this.trackElements_ = [];\n      /**\n       * @memberof HtmlTrackElementList\n       * @member {number} length\n       *         The current number of `Track`s in the this Trackist.\n       * @instance\n       */\n\n      Object.defineProperty(this, 'length', {\n        get: function get() {\n          return this.trackElements_.length;\n        }\n      });\n\n      for (var i = 0, length = trackElements.length; i < length; i++) {\n        this.addTrackElement_(trackElements[i]);\n      }\n    }\n    /**\n     * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`\n     *\n     * @param {HtmlTrackElement} trackElement\n     *        The track element to add to the list.\n     *\n     * @private\n     */\n\n\n    var _proto = HtmlTrackElementList.prototype;\n\n    _proto.addTrackElement_ = function addTrackElement_(trackElement) {\n      var index = this.trackElements_.length;\n\n      if (!('' + index in this)) {\n        Object.defineProperty(this, index, {\n          get: function get() {\n            return this.trackElements_[index];\n          }\n        });\n      } // Do not add duplicate elements\n\n\n      if (this.trackElements_.indexOf(trackElement) === -1) {\n        this.trackElements_.push(trackElement);\n      }\n    }\n    /**\n     * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an\n     * {@link TextTrack}.\n     *\n     * @param {TextTrack} track\n     *        The track associated with a track element.\n     *\n     * @return {HtmlTrackElement|undefined}\n     *         The track element that was found or undefined.\n     *\n     * @private\n     */\n    ;\n\n    _proto.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {\n      var trackElement_;\n\n      for (var i = 0, length = this.trackElements_.length; i < length; i++) {\n        if (track === this.trackElements_[i].track) {\n          trackElement_ = this.trackElements_[i];\n          break;\n        }\n      }\n\n      return trackElement_;\n    }\n    /**\n     * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`\n     *\n     * @param {HtmlTrackElement} trackElement\n     *        The track element to remove from the list.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeTrackElement_ = function removeTrackElement_(trackElement) {\n      for (var i = 0, length = this.trackElements_.length; i < length; i++) {\n        if (trackElement === this.trackElements_[i]) {\n          if (this.trackElements_[i].track && typeof this.trackElements_[i].track.off === 'function') {\n            this.trackElements_[i].track.off();\n          }\n\n          if (typeof this.trackElements_[i].off === 'function') {\n            this.trackElements_[i].off();\n          }\n\n          this.trackElements_.splice(i, 1);\n          break;\n        }\n      }\n    };\n\n    return HtmlTrackElementList;\n  }();\n\n  /**\n   * @file text-track-cue-list.js\n   */\n\n  /**\n   * @typedef {Object} TextTrackCueList~TextTrackCue\n   *\n   * @property {string} id\n   *           The unique id for this text track cue\n   *\n   * @property {number} startTime\n   *           The start time for this text track cue\n   *\n   * @property {number} endTime\n   *           The end time for this text track cue\n   *\n   * @property {boolean} pauseOnExit\n   *           Pause when the end time is reached if true.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}\n   */\n\n  /**\n   * A List of TextTrackCues.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}\n   */\n  var TextTrackCueList = /*#__PURE__*/function () {\n    /**\n     * Create an instance of this class..\n     *\n     * @param {Array} cues\n     *        A list of cues to be initialized with\n     */\n    function TextTrackCueList(cues) {\n      TextTrackCueList.prototype.setCues_.call(this, cues);\n      /**\n       * @memberof TextTrackCueList\n       * @member {number} length\n       *         The current number of `TextTrackCue`s in the TextTrackCueList.\n       * @instance\n       */\n\n      Object.defineProperty(this, 'length', {\n        get: function get() {\n          return this.length_;\n        }\n      });\n    }\n    /**\n     * A setter for cues in this list. Creates getters\n     * an an index for the cues.\n     *\n     * @param {Array} cues\n     *        An array of cues to set\n     *\n     * @private\n     */\n\n\n    var _proto = TextTrackCueList.prototype;\n\n    _proto.setCues_ = function setCues_(cues) {\n      var oldLength = this.length || 0;\n      var i = 0;\n      var l = cues.length;\n      this.cues_ = cues;\n      this.length_ = cues.length;\n\n      var defineProp = function defineProp(index) {\n        if (!('' + index in this)) {\n          Object.defineProperty(this, '' + index, {\n            get: function get() {\n              return this.cues_[index];\n            }\n          });\n        }\n      };\n\n      if (oldLength < l) {\n        i = oldLength;\n\n        for (; i < l; i++) {\n          defineProp.call(this, i);\n        }\n      }\n    }\n    /**\n     * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.\n     *\n     * @param {string} id\n     *        The id of the cue that should be searched for.\n     *\n     * @return {TextTrackCueList~TextTrackCue|null}\n     *         A single cue or null if none was found.\n     */\n    ;\n\n    _proto.getCueById = function getCueById(id) {\n      var result = null;\n\n      for (var i = 0, l = this.length; i < l; i++) {\n        var cue = this[i];\n\n        if (cue.id === id) {\n          result = cue;\n          break;\n        }\n      }\n\n      return result;\n    };\n\n    return TextTrackCueList;\n  }();\n\n  /**\n   * @file track-kinds.js\n   */\n\n  /**\n   * All possible `VideoTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind\n   * @typedef VideoTrack~Kind\n   * @enum\n   */\n  var VideoTrackKind = {\n    alternative: 'alternative',\n    captions: 'captions',\n    main: 'main',\n    sign: 'sign',\n    subtitles: 'subtitles',\n    commentary: 'commentary'\n  };\n  /**\n   * All possible `AudioTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind\n   * @typedef AudioTrack~Kind\n   * @enum\n   */\n\n  var AudioTrackKind = {\n    'alternative': 'alternative',\n    'descriptions': 'descriptions',\n    'main': 'main',\n    'main-desc': 'main-desc',\n    'translation': 'translation',\n    'commentary': 'commentary'\n  };\n  /**\n   * All possible `TextTrackKind`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind\n   * @typedef TextTrack~Kind\n   * @enum\n   */\n\n  var TextTrackKind = {\n    subtitles: 'subtitles',\n    captions: 'captions',\n    descriptions: 'descriptions',\n    chapters: 'chapters',\n    metadata: 'metadata'\n  };\n  /**\n   * All possible `TextTrackMode`s\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode\n   * @typedef TextTrack~Mode\n   * @enum\n   */\n\n  var TextTrackMode = {\n    disabled: 'disabled',\n    hidden: 'hidden',\n    showing: 'showing'\n  };\n\n  /**\n   * A Track class that contains all of the common functionality for {@link AudioTrack},\n   * {@link VideoTrack}, and {@link TextTrack}.\n   *\n   * > Note: This class should not be used directly\n   *\n   * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}\n   * @extends EventTarget\n   * @abstract\n   */\n\n  var Track = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(Track, _EventTarget);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {string} [options.kind='']\n     *        A valid kind for the track type you are creating.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @abstract\n     */\n    function Track(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _EventTarget.call(this) || this;\n      var trackProps = {\n        id: options.id || 'vjs_track_' + newGUID(),\n        kind: options.kind || '',\n        label: options.label || '',\n        language: options.language || ''\n      };\n      /**\n       * @memberof Track\n       * @member {string} id\n       *         The id of this track. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} kind\n       *         The kind of track that this is. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} label\n       *         The label of this track. Cannot be changed after creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      /**\n       * @memberof Track\n       * @member {string} language\n       *         The two letter language code for this track. Cannot be changed after\n       *         creation.\n       * @instance\n       *\n       * @readonly\n       */\n\n      var _loop = function _loop(key) {\n        Object.defineProperty(assertThisInitialized(_this), key, {\n          get: function get() {\n            return trackProps[key];\n          },\n          set: function set() {}\n        });\n      };\n\n      for (var key in trackProps) {\n        _loop(key);\n      }\n\n      return _this;\n    }\n\n    return Track;\n  }(EventTarget);\n\n  /**\n   * @file url.js\n   * @module url\n   */\n  /**\n   * @typedef {Object} url:URLObject\n   *\n   * @property {string} protocol\n   *           The protocol of the url that was parsed.\n   *\n   * @property {string} hostname\n   *           The hostname of the url that was parsed.\n   *\n   * @property {string} port\n   *           The port of the url that was parsed.\n   *\n   * @property {string} pathname\n   *           The pathname of the url that was parsed.\n   *\n   * @property {string} search\n   *           The search query of the url that was parsed.\n   *\n   * @property {string} hash\n   *           The hash of the url that was parsed.\n   *\n   * @property {string} host\n   *           The host of the url that was parsed.\n   */\n\n  /**\n   * Resolve and parse the elements of a URL.\n   *\n   * @function\n   * @param    {String} url\n   *           The url to parse\n   *\n   * @return   {url:URLObject}\n   *           An object of url details\n   */\n\n  var parseUrl = function parseUrl(url) {\n    var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host']; // add the url to an anchor and let the browser parse the URL\n\n    var a = document.createElement('a');\n    a.href = url; // IE8 (and 9?) Fix\n    // ie8 doesn't parse the URL correctly until the anchor is actually\n    // added to the body, and an innerHTML is needed to trigger the parsing\n\n    var addToBody = a.host === '' && a.protocol !== 'file:';\n    var div;\n\n    if (addToBody) {\n      div = document.createElement('div');\n      div.innerHTML = \"<a href=\\\"\" + url + \"\\\"></a>\";\n      a = div.firstChild; // prevent the div from affecting layout\n\n      div.setAttribute('style', 'display:none; position:absolute;');\n      document.body.appendChild(div);\n    } // Copy the specific URL properties to a new object\n    // This is also needed for IE8 because the anchor loses its\n    // properties when it's removed from the dom\n\n\n    var details = {};\n\n    for (var i = 0; i < props.length; i++) {\n      details[props[i]] = a[props[i]];\n    } // IE9 adds the port to the host property unlike everyone else. If\n    // a port identifier is added for standard ports, strip it.\n\n\n    if (details.protocol === 'http:') {\n      details.host = details.host.replace(/:80$/, '');\n    }\n\n    if (details.protocol === 'https:') {\n      details.host = details.host.replace(/:443$/, '');\n    }\n\n    if (!details.protocol) {\n      details.protocol = window$3.location.protocol;\n    }\n\n    if (addToBody) {\n      document.body.removeChild(div);\n    }\n\n    return details;\n  };\n  /**\n   * Get absolute version of relative URL. Used to tell Flash the correct URL.\n   *\n   * @function\n   * @param    {string} url\n   *           URL to make absolute\n   *\n   * @return   {string}\n   *           Absolute URL\n   *\n   * @see      http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue\n   */\n\n  var getAbsoluteURL = function getAbsoluteURL(url) {\n    // Check if absolute URL\n    if (!url.match(/^https?:\\/\\//)) {\n      // Convert to absolute URL. Flash hosted off-site needs an absolute URL.\n      var div = document.createElement('div');\n      div.innerHTML = \"<a href=\\\"\" + url + \"\\\">x</a>\";\n      url = div.firstChild.href;\n    }\n\n    return url;\n  };\n  /**\n   * Returns the extension of the passed file name. It will return an empty string\n   * if passed an invalid path.\n   *\n   * @function\n   * @param    {string} path\n   *           The fileName path like '/path/to/file.mp4'\n   *\n   * @return  {string}\n   *           The extension in lower case or an empty string if no\n   *           extension could be found.\n   */\n\n  var getFileExtension = function getFileExtension(path) {\n    if (typeof path === 'string') {\n      var splitPathRe = /^(\\/?)([\\s\\S]*?)((?:\\.{1,2}|[^\\/]+?)(\\.([^\\.\\/\\?]+)))(?:[\\/]*|[\\?].*)$/;\n      var pathParts = splitPathRe.exec(path);\n\n      if (pathParts) {\n        return pathParts.pop().toLowerCase();\n      }\n    }\n\n    return '';\n  };\n  /**\n   * Returns whether the url passed is a cross domain request or not.\n   *\n   * @function\n   * @param    {string} url\n   *           The url to check.\n   *\n   * @param    {Object} [winLoc]\n   *           the domain to check the url against, defaults to window.location\n   *\n   * @param    {string} [winLoc.protocol]\n   *           The window location protocol defaults to window.location.protocol\n   *\n   * @param    {string} [winLoc.host]\n   *           The window location host defaults to window.location.host\n   *\n   * @return   {boolean}\n   *           Whether it is a cross domain request or not.\n   */\n\n  var isCrossOrigin = function isCrossOrigin(url, winLoc) {\n    if (winLoc === void 0) {\n      winLoc = window$3.location;\n    }\n\n    var urlInfo = parseUrl(url); // IE8 protocol relative urls will return ':' for protocol\n\n    var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol; // Check if url is for another domain/origin\n    // IE8 doesn't know location.origin, so we won't rely on it here\n\n    var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;\n    return crossOrigin;\n  };\n\n  var Url = /*#__PURE__*/Object.freeze({\n    parseUrl: parseUrl,\n    getAbsoluteURL: getAbsoluteURL,\n    getFileExtension: getFileExtension,\n    isCrossOrigin: isCrossOrigin\n  });\n\n  var isFunction_1 = isFunction;\n  var toString$1 = Object.prototype.toString;\n\n  function isFunction(fn) {\n    var string = toString$1.call(fn);\n    return string === '[object Function]' || typeof fn === 'function' && string !== '[object RegExp]' || typeof window !== 'undefined' && ( // IE8 and below\n    fn === window.setTimeout || fn === window.alert || fn === window.confirm || fn === window.prompt);\n  }\n\n  /**\n   * @license\n   * slighly modified parse-headers 2.0.2 <https://github.com/kesla/parse-headers/>\n   * Copyright (c) 2014 David Björklund\n   * Available under the MIT license\n   * <https://github.com/kesla/parse-headers/blob/master/LICENCE>\n   */\n\n\n  var parseHeaders = function parseHeaders(headers) {\n    var result = {};\n\n    if (!headers) {\n      return result;\n    }\n\n    headers.trim().split('\\n').forEach(function (row) {\n      var index = row.indexOf(':');\n      var key = row.slice(0, index).trim().toLowerCase();\n      var value = row.slice(index + 1).trim();\n\n      if (typeof result[key] === 'undefined') {\n        result[key] = value;\n      } else if (Array.isArray(result[key])) {\n        result[key].push(value);\n      } else {\n        result[key] = [result[key], value];\n      }\n    });\n    return result;\n  };\n\n  var xhr = createXHR; // Allow use of default import syntax in TypeScript\n\n  var default_1 = createXHR;\n  createXHR.XMLHttpRequest = window$3.XMLHttpRequest || noop;\n  createXHR.XDomainRequest = \"withCredentials\" in new createXHR.XMLHttpRequest() ? createXHR.XMLHttpRequest : window$3.XDomainRequest;\n  forEachArray([\"get\", \"put\", \"post\", \"patch\", \"head\", \"delete\"], function (method) {\n    createXHR[method === \"delete\" ? \"del\" : method] = function (uri, options, callback) {\n      options = initParams(uri, options, callback);\n      options.method = method.toUpperCase();\n      return _createXHR(options);\n    };\n  });\n\n  function forEachArray(array, iterator) {\n    for (var i = 0; i < array.length; i++) {\n      iterator(array[i]);\n    }\n  }\n\n  function isEmpty(obj) {\n    for (var i in obj) {\n      if (obj.hasOwnProperty(i)) return false;\n    }\n\n    return true;\n  }\n\n  function initParams(uri, options, callback) {\n    var params = uri;\n\n    if (isFunction_1(options)) {\n      callback = options;\n\n      if (typeof uri === \"string\") {\n        params = {\n          uri: uri\n        };\n      }\n    } else {\n      params = _extends_1({}, options, {\n        uri: uri\n      });\n    }\n\n    params.callback = callback;\n    return params;\n  }\n\n  function createXHR(uri, options, callback) {\n    options = initParams(uri, options, callback);\n    return _createXHR(options);\n  }\n\n  function _createXHR(options) {\n    if (typeof options.callback === \"undefined\") {\n      throw new Error(\"callback argument missing\");\n    }\n\n    var called = false;\n\n    var callback = function cbOnce(err, response, body) {\n      if (!called) {\n        called = true;\n        options.callback(err, response, body);\n      }\n    };\n\n    function readystatechange() {\n      if (xhr.readyState === 4) {\n        setTimeout(loadFunc, 0);\n      }\n    }\n\n    function getBody() {\n      // Chrome with requestType=blob throws errors arround when even testing access to responseText\n      var body = undefined;\n\n      if (xhr.response) {\n        body = xhr.response;\n      } else {\n        body = xhr.responseText || getXml(xhr);\n      }\n\n      if (isJson) {\n        try {\n          body = JSON.parse(body);\n        } catch (e) {}\n      }\n\n      return body;\n    }\n\n    function errorFunc(evt) {\n      clearTimeout(timeoutTimer);\n\n      if (!(evt instanceof Error)) {\n        evt = new Error(\"\" + (evt || \"Unknown XMLHttpRequest Error\"));\n      }\n\n      evt.statusCode = 0;\n      return callback(evt, failureResponse);\n    } // will load the data & process the response in a special response object\n\n\n    function loadFunc() {\n      if (aborted) return;\n      var status;\n      clearTimeout(timeoutTimer);\n\n      if (options.useXDR && xhr.status === undefined) {\n        //IE8 CORS GET successful response doesn't have a status field, but body is fine\n        status = 200;\n      } else {\n        status = xhr.status === 1223 ? 204 : xhr.status;\n      }\n\n      var response = failureResponse;\n      var err = null;\n\n      if (status !== 0) {\n        response = {\n          body: getBody(),\n          statusCode: status,\n          method: method,\n          headers: {},\n          url: uri,\n          rawRequest: xhr\n        };\n\n        if (xhr.getAllResponseHeaders) {\n          //remember xhr can in fact be XDR for CORS in IE\n          response.headers = parseHeaders(xhr.getAllResponseHeaders());\n        }\n      } else {\n        err = new Error(\"Internal XMLHttpRequest Error\");\n      }\n\n      return callback(err, response, response.body);\n    }\n\n    var xhr = options.xhr || null;\n\n    if (!xhr) {\n      if (options.cors || options.useXDR) {\n        xhr = new createXHR.XDomainRequest();\n      } else {\n        xhr = new createXHR.XMLHttpRequest();\n      }\n    }\n\n    var key;\n    var aborted;\n    var uri = xhr.url = options.uri || options.url;\n    var method = xhr.method = options.method || \"GET\";\n    var body = options.body || options.data;\n    var headers = xhr.headers = options.headers || {};\n    var sync = !!options.sync;\n    var isJson = false;\n    var timeoutTimer;\n    var failureResponse = {\n      body: undefined,\n      headers: {},\n      statusCode: 0,\n      method: method,\n      url: uri,\n      rawRequest: xhr\n    };\n\n    if (\"json\" in options && options.json !== false) {\n      isJson = true;\n      headers[\"accept\"] || headers[\"Accept\"] || (headers[\"Accept\"] = \"application/json\"); //Don't override existing accept header declared by user\n\n      if (method !== \"GET\" && method !== \"HEAD\") {\n        headers[\"content-type\"] || headers[\"Content-Type\"] || (headers[\"Content-Type\"] = \"application/json\"); //Don't override existing accept header declared by user\n\n        body = JSON.stringify(options.json === true ? body : options.json);\n      }\n    }\n\n    xhr.onreadystatechange = readystatechange;\n    xhr.onload = loadFunc;\n    xhr.onerror = errorFunc; // IE9 must have onprogress be set to a unique function.\n\n    xhr.onprogress = function () {// IE must die\n    };\n\n    xhr.onabort = function () {\n      aborted = true;\n    };\n\n    xhr.ontimeout = errorFunc;\n    xhr.open(method, uri, !sync, options.username, options.password); //has to be after open\n\n    if (!sync) {\n      xhr.withCredentials = !!options.withCredentials;\n    } // Cannot set timeout with sync request\n    // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly\n    // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent\n\n\n    if (!sync && options.timeout > 0) {\n      timeoutTimer = setTimeout(function () {\n        if (aborted) return;\n        aborted = true; //IE9 may still call readystatechange\n\n        xhr.abort(\"timeout\");\n        var e = new Error(\"XMLHttpRequest timeout\");\n        e.code = \"ETIMEDOUT\";\n        errorFunc(e);\n      }, options.timeout);\n    }\n\n    if (xhr.setRequestHeader) {\n      for (key in headers) {\n        if (headers.hasOwnProperty(key)) {\n          xhr.setRequestHeader(key, headers[key]);\n        }\n      }\n    } else if (options.headers && !isEmpty(options.headers)) {\n      throw new Error(\"Headers cannot be set on an XDomainRequest object\");\n    }\n\n    if (\"responseType\" in options) {\n      xhr.responseType = options.responseType;\n    }\n\n    if (\"beforeSend\" in options && typeof options.beforeSend === \"function\") {\n      options.beforeSend(xhr);\n    } // Microsoft Edge browser sends \"undefined\" when send is called with undefined value.\n    // XMLHttpRequest spec says to pass null as body to indicate no body\n    // See https://github.com/naugtur/xhr/issues/100.\n\n\n    xhr.send(body || null);\n    return xhr;\n  }\n\n  function getXml(xhr) {\n    // xhr.responseXML will throw Exception \"InvalidStateError\" or \"DOMException\"\n    // See https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseXML.\n    try {\n      if (xhr.responseType === \"document\") {\n        return xhr.responseXML;\n      }\n\n      var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === \"parsererror\";\n\n      if (xhr.responseType === \"\" && !firefoxBugTakenEffect) {\n        return xhr.responseXML;\n      }\n    } catch (e) {}\n\n    return null;\n  }\n\n  function noop() {}\n  xhr[\"default\"] = default_1;\n\n  /**\n   * Takes a webvtt file contents and parses it into cues\n   *\n   * @param {string} srcContent\n   *        webVTT file contents\n   *\n   * @param {TextTrack} track\n   *        TextTrack to add cues to. Cues come from the srcContent.\n   *\n   * @private\n   */\n\n  var parseCues = function parseCues(srcContent, track) {\n    var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, window$3.WebVTT.StringDecoder());\n    var errors = [];\n\n    parser.oncue = function (cue) {\n      track.addCue(cue);\n    };\n\n    parser.onparsingerror = function (error) {\n      errors.push(error);\n    };\n\n    parser.onflush = function () {\n      track.trigger({\n        type: 'loadeddata',\n        target: track\n      });\n    };\n\n    parser.parse(srcContent);\n\n    if (errors.length > 0) {\n      if (window$3.console && window$3.console.groupCollapsed) {\n        window$3.console.groupCollapsed(\"Text Track parsing errors for \" + track.src);\n      }\n\n      errors.forEach(function (error) {\n        return log.error(error);\n      });\n\n      if (window$3.console && window$3.console.groupEnd) {\n        window$3.console.groupEnd();\n      }\n    }\n\n    parser.flush();\n  };\n  /**\n   * Load a `TextTrack` from a specified url.\n   *\n   * @param {string} src\n   *        Url to load track from.\n   *\n   * @param {TextTrack} track\n   *        Track to add cues to. Comes from the content at the end of `url`.\n   *\n   * @private\n   */\n\n\n  var loadTrack = function loadTrack(src, track) {\n    var opts = {\n      uri: src\n    };\n    var crossOrigin = isCrossOrigin(src);\n\n    if (crossOrigin) {\n      opts.cors = crossOrigin;\n    }\n\n    xhr(opts, bind(this, function (err, response, responseBody) {\n      if (err) {\n        return log.error(err, response);\n      }\n\n      track.loaded_ = true; // Make sure that vttjs has loaded, otherwise, wait till it finished loading\n      // NOTE: this is only used for the alt/video.novtt.js build\n\n      if (typeof window$3.WebVTT !== 'function') {\n        if (track.tech_) {\n          // to prevent use before define eslint error, we define loadHandler\n          // as a let here\n          track.tech_.any(['vttjsloaded', 'vttjserror'], function (event) {\n            if (event.type === 'vttjserror') {\n              log.error(\"vttjs failed to load, stopping trying to process \" + track.src);\n              return;\n            }\n\n            return parseCues(responseBody, track);\n          });\n        }\n      } else {\n        parseCues(responseBody, track);\n      }\n    }));\n  };\n  /**\n   * A representation of a single `TextTrack`.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}\n   * @extends Track\n   */\n\n\n  var TextTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(TextTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} options={}\n     *        Object of option names and values\n     *\n     * @param {Tech} options.tech\n     *        A reference to the tech that owns this TextTrack.\n     *\n     * @param {TextTrack~Kind} [options.kind='subtitles']\n     *        A valid text track kind.\n     *\n     * @param {TextTrack~Mode} [options.mode='disabled']\n     *        A valid text track mode.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this TextTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {string} [options.srclang='']\n     *        A valid two character language code. An alternative, but deprioritized\n     *        version of `options.language`\n     *\n     * @param {string} [options.src]\n     *        A url to TextTrack cues.\n     *\n     * @param {boolean} [options.default]\n     *        If this track should default to on or off.\n     */\n    function TextTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (!options.tech) {\n        throw new Error('A tech was not provided.');\n      }\n\n      var settings = mergeOptions(options, {\n        kind: TextTrackKind[options.kind] || 'subtitles',\n        language: options.language || options.srclang || ''\n      });\n      var mode = TextTrackMode[settings.mode] || 'disabled';\n      var default_ = settings[\"default\"];\n\n      if (settings.kind === 'metadata' || settings.kind === 'chapters') {\n        mode = 'hidden';\n      }\n\n      _this = _Track.call(this, settings) || this;\n      _this.tech_ = settings.tech;\n      _this.cues_ = [];\n      _this.activeCues_ = [];\n      _this.preload_ = _this.tech_.preloadTextTracks !== false;\n      var cues = new TextTrackCueList(_this.cues_);\n      var activeCues = new TextTrackCueList(_this.activeCues_);\n      var changed = false;\n      var timeupdateHandler = bind(assertThisInitialized(_this), function () {\n        // Accessing this.activeCues for the side-effects of updating itself\n        // due to its nature as a getter function. Do not remove or cues will\n        // stop updating!\n        // Use the setter to prevent deletion from uglify (pure_getters rule)\n        this.activeCues = this.activeCues;\n\n        if (changed) {\n          this.trigger('cuechange');\n          changed = false;\n        }\n      });\n\n      if (mode !== 'disabled') {\n        _this.tech_.ready(function () {\n          _this.tech_.on('timeupdate', timeupdateHandler);\n        }, true);\n      }\n\n      Object.defineProperties(assertThisInitialized(_this), {\n        /**\n         * @memberof TextTrack\n         * @member {boolean} default\n         *         If this track was set to be on or off by default. Cannot be changed after\n         *         creation.\n         * @instance\n         *\n         * @readonly\n         */\n        \"default\": {\n          get: function get() {\n            return default_;\n          },\n          set: function set() {}\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {string} mode\n         *         Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will\n         *         not be set if setting to an invalid mode.\n         * @instance\n         *\n         * @fires TextTrack#modechange\n         */\n        mode: {\n          get: function get() {\n            return mode;\n          },\n          set: function set(newMode) {\n            var _this2 = this;\n\n            if (!TextTrackMode[newMode]) {\n              return;\n            }\n\n            mode = newMode;\n\n            if (!this.preload_ && mode !== 'disabled' && this.cues.length === 0) {\n              // On-demand load.\n              loadTrack(this.src, this);\n            }\n\n            if (mode !== 'disabled') {\n              this.tech_.ready(function () {\n                _this2.tech_.on('timeupdate', timeupdateHandler);\n              }, true);\n            } else {\n              this.tech_.off('timeupdate', timeupdateHandler);\n            }\n            /**\n             * An event that fires when mode changes on this track. This allows\n             * the TextTrackList that holds this track to act accordingly.\n             *\n             * > Note: This is not part of the spec!\n             *\n             * @event TextTrack#modechange\n             * @type {EventTarget~Event}\n             */\n\n\n            this.trigger('modechange');\n          }\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {TextTrackCueList} cues\n         *         The text track cue list for this TextTrack.\n         * @instance\n         */\n        cues: {\n          get: function get() {\n            if (!this.loaded_) {\n              return null;\n            }\n\n            return cues;\n          },\n          set: function set() {}\n        },\n\n        /**\n         * @memberof TextTrack\n         * @member {TextTrackCueList} activeCues\n         *         The list text track cues that are currently active for this TextTrack.\n         * @instance\n         */\n        activeCues: {\n          get: function get() {\n            if (!this.loaded_) {\n              return null;\n            } // nothing to do\n\n\n            if (this.cues.length === 0) {\n              return activeCues;\n            }\n\n            var ct = this.tech_.currentTime();\n            var active = [];\n\n            for (var i = 0, l = this.cues.length; i < l; i++) {\n              var cue = this.cues[i];\n\n              if (cue.startTime <= ct && cue.endTime >= ct) {\n                active.push(cue);\n              } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {\n                active.push(cue);\n              }\n            }\n\n            changed = false;\n\n            if (active.length !== this.activeCues_.length) {\n              changed = true;\n            } else {\n              for (var _i = 0; _i < active.length; _i++) {\n                if (this.activeCues_.indexOf(active[_i]) === -1) {\n                  changed = true;\n                }\n              }\n            }\n\n            this.activeCues_ = active;\n            activeCues.setCues_(this.activeCues_);\n            return activeCues;\n          },\n          // /!\\ Keep this setter empty (see the timeupdate handler above)\n          set: function set() {}\n        }\n      });\n\n      if (settings.src) {\n        _this.src = settings.src;\n\n        if (!_this.preload_) {\n          // Tracks will load on-demand.\n          // Act like we're loaded for other purposes.\n          _this.loaded_ = true;\n        }\n\n        if (_this.preload_ || default_ || settings.kind !== 'subtitles' && settings.kind !== 'captions') {\n          loadTrack(_this.src, assertThisInitialized(_this));\n        }\n      } else {\n        _this.loaded_ = true;\n      }\n\n      return _this;\n    }\n    /**\n     * Add a cue to the internal list of cues.\n     *\n     * @param {TextTrack~Cue} cue\n     *        The cue to add to our internal list\n     */\n\n\n    var _proto = TextTrack.prototype;\n\n    _proto.addCue = function addCue(originalCue) {\n      var cue = originalCue;\n\n      if (window$3.vttjs && !(originalCue instanceof window$3.vttjs.VTTCue)) {\n        cue = new window$3.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);\n\n        for (var prop in originalCue) {\n          if (!(prop in cue)) {\n            cue[prop] = originalCue[prop];\n          }\n        } // make sure that `id` is copied over\n\n\n        cue.id = originalCue.id;\n        cue.originalCue_ = originalCue;\n      }\n\n      var tracks = this.tech_.textTracks();\n\n      for (var i = 0; i < tracks.length; i++) {\n        if (tracks[i] !== this) {\n          tracks[i].removeCue(cue);\n        }\n      }\n\n      this.cues_.push(cue);\n      this.cues.setCues_(this.cues_);\n    }\n    /**\n     * Remove a cue from our internal list\n     *\n     * @param {TextTrack~Cue} removeCue\n     *        The cue to remove from our internal list\n     */\n    ;\n\n    _proto.removeCue = function removeCue(_removeCue) {\n      var i = this.cues_.length;\n\n      while (i--) {\n        var cue = this.cues_[i];\n\n        if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {\n          this.cues_.splice(i, 1);\n          this.cues.setCues_(this.cues_);\n          break;\n        }\n      }\n    };\n\n    return TextTrack;\n  }(Track);\n  /**\n   * cuechange - One or more cues in the track have become active or stopped being active.\n   */\n\n\n  TextTrack.prototype.allowedEvents_ = {\n    cuechange: 'cuechange'\n  };\n\n  /**\n   * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}\n   * only one `AudioTrack` in the list will be enabled at a time.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}\n   * @extends Track\n   */\n\n  var AudioTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(AudioTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {AudioTrack~Kind} [options.kind='']\n     *        A valid audio track kind\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {boolean} [options.enabled]\n     *        If this track is the one that is currently playing. If this track is part of\n     *        an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.\n     */\n    function AudioTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var settings = mergeOptions(options, {\n        kind: AudioTrackKind[options.kind] || ''\n      });\n      _this = _Track.call(this, settings) || this;\n      var enabled = false;\n      /**\n       * @memberof AudioTrack\n       * @member {boolean} enabled\n       *         If this `AudioTrack` is enabled or not. When setting this will\n       *         fire {@link AudioTrack#enabledchange} if the state of enabled is changed.\n       * @instance\n       *\n       * @fires VideoTrack#selectedchange\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'enabled', {\n        get: function get() {\n          return enabled;\n        },\n        set: function set(newEnabled) {\n          // an invalid or unchanged value\n          if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {\n            return;\n          }\n\n          enabled = newEnabled;\n          /**\n           * An event that fires when enabled changes on this track. This allows\n           * the AudioTrackList that holds this track to act accordingly.\n           *\n           * > Note: This is not part of the spec! Native tracks will do\n           *         this internally without an event.\n           *\n           * @event AudioTrack#enabledchange\n           * @type {EventTarget~Event}\n           */\n\n          this.trigger('enabledchange');\n        }\n      }); // if the user sets this track to selected then\n      // set selected to that true value otherwise\n      // we keep it false\n\n      if (settings.enabled) {\n        _this.enabled = settings.enabled;\n      }\n\n      _this.loaded_ = true;\n      return _this;\n    }\n\n    return AudioTrack;\n  }(Track);\n\n  /**\n   * A representation of a single `VideoTrack`.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}\n   * @extends Track\n   */\n\n  var VideoTrack = /*#__PURE__*/function (_Track) {\n    inheritsLoose(VideoTrack, _Track);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} [options={}]\n     *        Object of option names and values\n     *\n     * @param {string} [options.kind='']\n     *        A valid {@link VideoTrack~Kind}\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this AudioTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {boolean} [options.selected]\n     *        If this track is the one that is currently playing.\n     */\n    function VideoTrack(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var settings = mergeOptions(options, {\n        kind: VideoTrackKind[options.kind] || ''\n      });\n      _this = _Track.call(this, settings) || this;\n      var selected = false;\n      /**\n       * @memberof VideoTrack\n       * @member {boolean} selected\n       *         If this `VideoTrack` is selected or not. When setting this will\n       *         fire {@link VideoTrack#selectedchange} if the state of selected changed.\n       * @instance\n       *\n       * @fires VideoTrack#selectedchange\n       */\n\n      Object.defineProperty(assertThisInitialized(_this), 'selected', {\n        get: function get() {\n          return selected;\n        },\n        set: function set(newSelected) {\n          // an invalid or unchanged value\n          if (typeof newSelected !== 'boolean' || newSelected === selected) {\n            return;\n          }\n\n          selected = newSelected;\n          /**\n           * An event that fires when selected changes on this track. This allows\n           * the VideoTrackList that holds this track to act accordingly.\n           *\n           * > Note: This is not part of the spec! Native tracks will do\n           *         this internally without an event.\n           *\n           * @event VideoTrack#selectedchange\n           * @type {EventTarget~Event}\n           */\n\n          this.trigger('selectedchange');\n        }\n      }); // if the user sets this track to selected then\n      // set selected to that true value otherwise\n      // we keep it false\n\n      if (settings.selected) {\n        _this.selected = settings.selected;\n      }\n\n      return _this;\n    }\n\n    return VideoTrack;\n  }(Track);\n\n  /**\n   * @memberof HTMLTrackElement\n   * @typedef {HTMLTrackElement~ReadyState}\n   * @enum {number}\n   */\n\n  var NONE = 0;\n  var LOADING = 1;\n  var LOADED = 2;\n  var ERROR = 3;\n  /**\n   * A single track represented in the DOM.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}\n   * @extends EventTarget\n   */\n\n  var HTMLTrackElement = /*#__PURE__*/function (_EventTarget) {\n    inheritsLoose(HTMLTrackElement, _EventTarget);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Object} options={}\n     *        Object of option names and values\n     *\n     * @param {Tech} options.tech\n     *        A reference to the tech that owns this HTMLTrackElement.\n     *\n     * @param {TextTrack~Kind} [options.kind='subtitles']\n     *        A valid text track kind.\n     *\n     * @param {TextTrack~Mode} [options.mode='disabled']\n     *        A valid text track mode.\n     *\n     * @param {string} [options.id='vjs_track_' + Guid.newGUID()]\n     *        A unique id for this TextTrack.\n     *\n     * @param {string} [options.label='']\n     *        The menu label for this track.\n     *\n     * @param {string} [options.language='']\n     *        A valid two character language code.\n     *\n     * @param {string} [options.srclang='']\n     *        A valid two character language code. An alternative, but deprioritized\n     *        vesion of `options.language`\n     *\n     * @param {string} [options.src]\n     *        A url to TextTrack cues.\n     *\n     * @param {boolean} [options.default]\n     *        If this track should default to on or off.\n     */\n    function HTMLTrackElement(options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _EventTarget.call(this) || this;\n      var readyState;\n      var track = new TextTrack(options);\n      _this.kind = track.kind;\n      _this.src = track.src;\n      _this.srclang = track.language;\n      _this.label = track.label;\n      _this[\"default\"] = track[\"default\"];\n      Object.defineProperties(assertThisInitialized(_this), {\n        /**\n         * @memberof HTMLTrackElement\n         * @member {HTMLTrackElement~ReadyState} readyState\n         *         The current ready state of the track element.\n         * @instance\n         */\n        readyState: {\n          get: function get() {\n            return readyState;\n          }\n        },\n\n        /**\n         * @memberof HTMLTrackElement\n         * @member {TextTrack} track\n         *         The underlying TextTrack object.\n         * @instance\n         *\n         */\n        track: {\n          get: function get() {\n            return track;\n          }\n        }\n      });\n      readyState = NONE;\n      /**\n       * @listens TextTrack#loadeddata\n       * @fires HTMLTrackElement#load\n       */\n\n      track.addEventListener('loadeddata', function () {\n        readyState = LOADED;\n\n        _this.trigger({\n          type: 'load',\n          target: assertThisInitialized(_this)\n        });\n      });\n      return _this;\n    }\n\n    return HTMLTrackElement;\n  }(EventTarget);\n\n  HTMLTrackElement.prototype.allowedEvents_ = {\n    load: 'load'\n  };\n  HTMLTrackElement.NONE = NONE;\n  HTMLTrackElement.LOADING = LOADING;\n  HTMLTrackElement.LOADED = LOADED;\n  HTMLTrackElement.ERROR = ERROR;\n\n  /*\n   * This file contains all track properties that are used in\n   * player.js, tech.js, html5.js and possibly other techs in the future.\n   */\n\n  var NORMAL = {\n    audio: {\n      ListClass: AudioTrackList,\n      TrackClass: AudioTrack,\n      capitalName: 'Audio'\n    },\n    video: {\n      ListClass: VideoTrackList,\n      TrackClass: VideoTrack,\n      capitalName: 'Video'\n    },\n    text: {\n      ListClass: TextTrackList,\n      TrackClass: TextTrack,\n      capitalName: 'Text'\n    }\n  };\n  Object.keys(NORMAL).forEach(function (type) {\n    NORMAL[type].getterName = type + \"Tracks\";\n    NORMAL[type].privateName = type + \"Tracks_\";\n  });\n  var REMOTE = {\n    remoteText: {\n      ListClass: TextTrackList,\n      TrackClass: TextTrack,\n      capitalName: 'RemoteText',\n      getterName: 'remoteTextTracks',\n      privateName: 'remoteTextTracks_'\n    },\n    remoteTextEl: {\n      ListClass: HtmlTrackElementList,\n      TrackClass: HTMLTrackElement,\n      capitalName: 'RemoteTextTrackEls',\n      getterName: 'remoteTextTrackEls',\n      privateName: 'remoteTextTrackEls_'\n    }\n  };\n\n  var ALL = _extends_1({}, NORMAL, REMOTE);\n\n  REMOTE.names = Object.keys(REMOTE);\n  NORMAL.names = Object.keys(NORMAL);\n  ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n\n  /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */\n\n  /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */\n\n  var _objCreate = Object.create || function () {\n    function F() {}\n\n    return function (o) {\n      if (arguments.length !== 1) {\n        throw new Error('Object.create shim only accepts one parameter.');\n      }\n\n      F.prototype = o;\n      return new F();\n    };\n  }(); // Creates a new ParserError object from an errorData object. The errorData\n  // object should have default code and message properties. The default message\n  // property can be overriden by passing in a message parameter.\n  // See ParsingError.Errors below for acceptable errors.\n\n\n  function ParsingError(errorData, message) {\n    this.name = \"ParsingError\";\n    this.code = errorData.code;\n    this.message = message || errorData.message;\n  }\n\n  ParsingError.prototype = _objCreate(Error.prototype);\n  ParsingError.prototype.constructor = ParsingError; // ParsingError metadata for acceptable ParsingErrors.\n\n  ParsingError.Errors = {\n    BadSignature: {\n      code: 0,\n      message: \"Malformed WebVTT signature.\"\n    },\n    BadTimeStamp: {\n      code: 1,\n      message: \"Malformed time stamp.\"\n    }\n  }; // Try to parse input as a time stamp.\n\n  function parseTimeStamp(input) {\n    function computeSeconds(h, m, s, f) {\n      return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;\n    }\n\n    var m = input.match(/^(\\d+):(\\d{1,2})(:\\d{1,2})?\\.(\\d{3})/);\n\n    if (!m) {\n      return null;\n    }\n\n    if (m[3]) {\n      // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]\n      return computeSeconds(m[1], m[2], m[3].replace(\":\", \"\"), m[4]);\n    } else if (m[1] > 59) {\n      // Timestamp takes the form of [hours]:[minutes].[milliseconds]\n      // First position is hours as it's over 59.\n      return computeSeconds(m[1], m[2], 0, m[4]);\n    } else {\n      // Timestamp takes the form of [minutes]:[seconds].[milliseconds]\n      return computeSeconds(0, m[1], m[2], m[4]);\n    }\n  } // A settings object holds key/value pairs and will ignore anything but the first\n  // assignment to a specific key.\n\n\n  function Settings() {\n    this.values = _objCreate(null);\n  }\n\n  Settings.prototype = {\n    // Only accept the first assignment to any key.\n    set: function set(k, v) {\n      if (!this.get(k) && v !== \"\") {\n        this.values[k] = v;\n      }\n    },\n    // Return the value for a key, or a default value.\n    // If 'defaultKey' is passed then 'dflt' is assumed to be an object with\n    // a number of possible default values as properties where 'defaultKey' is\n    // the key of the property that will be chosen; otherwise it's assumed to be\n    // a single value.\n    get: function get(k, dflt, defaultKey) {\n      if (defaultKey) {\n        return this.has(k) ? this.values[k] : dflt[defaultKey];\n      }\n\n      return this.has(k) ? this.values[k] : dflt;\n    },\n    // Check whether we have a value for a key.\n    has: function has(k) {\n      return k in this.values;\n    },\n    // Accept a setting if its one of the given alternatives.\n    alt: function alt(k, v, a) {\n      for (var n = 0; n < a.length; ++n) {\n        if (v === a[n]) {\n          this.set(k, v);\n          break;\n        }\n      }\n    },\n    // Accept a setting if its a valid (signed) integer.\n    integer: function integer(k, v) {\n      if (/^-?\\d+$/.test(v)) {\n        // integer\n        this.set(k, parseInt(v, 10));\n      }\n    },\n    // Accept a setting if its a valid percentage.\n    percent: function percent(k, v) {\n      var m;\n\n      if (m = v.match(/^([\\d]{1,3})(\\.[\\d]*)?%$/)) {\n        v = parseFloat(v);\n\n        if (v >= 0 && v <= 100) {\n          this.set(k, v);\n          return true;\n        }\n      }\n\n      return false;\n    }\n  }; // Helper function to parse input into groups separated by 'groupDelim', and\n  // interprete each group as a key/value pair separated by 'keyValueDelim'.\n\n  function parseOptions(input, callback, keyValueDelim, groupDelim) {\n    var groups = groupDelim ? input.split(groupDelim) : [input];\n\n    for (var i in groups) {\n      if (typeof groups[i] !== \"string\") {\n        continue;\n      }\n\n      var kv = groups[i].split(keyValueDelim);\n\n      if (kv.length !== 2) {\n        continue;\n      }\n\n      var k = kv[0];\n      var v = kv[1];\n      callback(k, v);\n    }\n  }\n\n  function parseCue(input, cue, regionList) {\n    // Remember the original input if we need to throw an error.\n    var oInput = input; // 4.1 WebVTT timestamp\n\n    function consumeTimeStamp() {\n      var ts = parseTimeStamp(input);\n\n      if (ts === null) {\n        throw new ParsingError(ParsingError.Errors.BadTimeStamp, \"Malformed timestamp: \" + oInput);\n      } // Remove time stamp from input.\n\n\n      input = input.replace(/^[^\\sa-zA-Z-]+/, \"\");\n      return ts;\n    } // 4.4.2 WebVTT cue settings\n\n\n    function consumeCueSettings(input, cue) {\n      var settings = new Settings();\n      parseOptions(input, function (k, v) {\n        switch (k) {\n          case \"region\":\n            // Find the last region we parsed with the same region id.\n            for (var i = regionList.length - 1; i >= 0; i--) {\n              if (regionList[i].id === v) {\n                settings.set(k, regionList[i].region);\n                break;\n              }\n            }\n\n            break;\n\n          case \"vertical\":\n            settings.alt(k, v, [\"rl\", \"lr\"]);\n            break;\n\n          case \"line\":\n            var vals = v.split(\",\"),\n                vals0 = vals[0];\n            settings.integer(k, vals0);\n            settings.percent(k, vals0) ? settings.set(\"snapToLines\", false) : null;\n            settings.alt(k, vals0, [\"auto\"]);\n\n            if (vals.length === 2) {\n              settings.alt(\"lineAlign\", vals[1], [\"start\", \"center\", \"end\"]);\n            }\n\n            break;\n\n          case \"position\":\n            vals = v.split(\",\");\n            settings.percent(k, vals[0]);\n\n            if (vals.length === 2) {\n              settings.alt(\"positionAlign\", vals[1], [\"start\", \"center\", \"end\"]);\n            }\n\n            break;\n\n          case \"size\":\n            settings.percent(k, v);\n            break;\n\n          case \"align\":\n            settings.alt(k, v, [\"start\", \"center\", \"end\", \"left\", \"right\"]);\n            break;\n        }\n      }, /:/, /\\s/); // Apply default values for any missing fields.\n\n      cue.region = settings.get(\"region\", null);\n      cue.vertical = settings.get(\"vertical\", \"\");\n\n      try {\n        cue.line = settings.get(\"line\", \"auto\");\n      } catch (e) {}\n\n      cue.lineAlign = settings.get(\"lineAlign\", \"start\");\n      cue.snapToLines = settings.get(\"snapToLines\", true);\n      cue.size = settings.get(\"size\", 100); // Safari still uses the old middle value and won't accept center\n\n      try {\n        cue.align = settings.get(\"align\", \"center\");\n      } catch (e) {\n        cue.align = settings.get(\"align\", \"middle\");\n      }\n\n      try {\n        cue.position = settings.get(\"position\", \"auto\");\n      } catch (e) {\n        cue.position = settings.get(\"position\", {\n          start: 0,\n          left: 0,\n          center: 50,\n          middle: 50,\n          end: 100,\n          right: 100\n        }, cue.align);\n      }\n\n      cue.positionAlign = settings.get(\"positionAlign\", {\n        start: \"start\",\n        left: \"start\",\n        center: \"center\",\n        middle: \"center\",\n        end: \"end\",\n        right: \"end\"\n      }, cue.align);\n    }\n\n    function skipWhitespace() {\n      input = input.replace(/^\\s+/, \"\");\n    } // 4.1 WebVTT cue timings.\n\n\n    skipWhitespace();\n    cue.startTime = consumeTimeStamp(); // (1) collect cue start time\n\n    skipWhitespace();\n\n    if (input.substr(0, 3) !== \"-->\") {\n      // (3) next characters must match \"-->\"\n      throw new ParsingError(ParsingError.Errors.BadTimeStamp, \"Malformed time stamp (time stamps must be separated by '-->'): \" + oInput);\n    }\n\n    input = input.substr(3);\n    skipWhitespace();\n    cue.endTime = consumeTimeStamp(); // (5) collect cue end time\n    // 4.1 WebVTT cue settings list.\n\n    skipWhitespace();\n    consumeCueSettings(input, cue);\n  }\n\n  var TEXTAREA_ELEMENT = document.createElement(\"textarea\");\n  var TAG_NAME = {\n    c: \"span\",\n    i: \"i\",\n    b: \"b\",\n    u: \"u\",\n    ruby: \"ruby\",\n    rt: \"rt\",\n    v: \"span\",\n    lang: \"span\"\n  }; // 5.1 default text color\n  // 5.2 default text background color is equivalent to text color with bg_ prefix\n\n  var DEFAULT_COLOR_CLASS = {\n    white: 'rgba(255,255,255,1)',\n    lime: 'rgba(0,255,0,1)',\n    cyan: 'rgba(0,255,255,1)',\n    red: 'rgba(255,0,0,1)',\n    yellow: 'rgba(255,255,0,1)',\n    magenta: 'rgba(255,0,255,1)',\n    blue: 'rgba(0,0,255,1)',\n    black: 'rgba(0,0,0,1)'\n  };\n  var TAG_ANNOTATION = {\n    v: \"title\",\n    lang: \"lang\"\n  };\n  var NEEDS_PARENT = {\n    rt: \"ruby\"\n  }; // Parse content into a document fragment.\n\n  function parseContent(window, input) {\n    function nextToken() {\n      // Check for end-of-string.\n      if (!input) {\n        return null;\n      } // Consume 'n' characters from the input.\n\n\n      function consume(result) {\n        input = input.substr(result.length);\n        return result;\n      }\n\n      var m = input.match(/^([^<]*)(<[^>]*>?)?/); // If there is some text before the next tag, return it, otherwise return\n      // the tag.\n\n      return consume(m[1] ? m[1] : m[2]);\n    }\n\n    function unescape(s) {\n      TEXTAREA_ELEMENT.innerHTML = s;\n      s = TEXTAREA_ELEMENT.textContent;\n      TEXTAREA_ELEMENT.textContent = \"\";\n      return s;\n    }\n\n    function shouldAdd(current, element) {\n      return !NEEDS_PARENT[element.localName] || NEEDS_PARENT[element.localName] === current.localName;\n    } // Create an element for this tag.\n\n\n    function createElement(type, annotation) {\n      var tagName = TAG_NAME[type];\n\n      if (!tagName) {\n        return null;\n      }\n\n      var element = window.document.createElement(tagName);\n      var name = TAG_ANNOTATION[type];\n\n      if (name && annotation) {\n        element[name] = annotation.trim();\n      }\n\n      return element;\n    }\n\n    var rootDiv = window.document.createElement(\"div\"),\n        current = rootDiv,\n        t,\n        tagStack = [];\n\n    while ((t = nextToken()) !== null) {\n      if (t[0] === '<') {\n        if (t[1] === \"/\") {\n          // If the closing tag matches, move back up to the parent node.\n          if (tagStack.length && tagStack[tagStack.length - 1] === t.substr(2).replace(\">\", \"\")) {\n            tagStack.pop();\n            current = current.parentNode;\n          } // Otherwise just ignore the end tag.\n\n\n          continue;\n        }\n\n        var ts = parseTimeStamp(t.substr(1, t.length - 2));\n        var node;\n\n        if (ts) {\n          // Timestamps are lead nodes as well.\n          node = window.document.createProcessingInstruction(\"timestamp\", ts);\n          current.appendChild(node);\n          continue;\n        }\n\n        var m = t.match(/^<([^.\\s/0-9>]+)(\\.[^\\s\\\\>]+)?([^>\\\\]+)?(\\\\?)>?$/); // If we can't parse the tag, skip to the next tag.\n\n        if (!m) {\n          continue;\n        } // Try to construct an element, and ignore the tag if we couldn't.\n\n\n        node = createElement(m[1], m[3]);\n\n        if (!node) {\n          continue;\n        } // Determine if the tag should be added based on the context of where it\n        // is placed in the cuetext.\n\n\n        if (!shouldAdd(current, node)) {\n          continue;\n        } // Set the class list (as a list of classes, separated by space).\n\n\n        if (m[2]) {\n          var classes = m[2].split('.');\n          classes.forEach(function (cl) {\n            var bgColor = /^bg_/.test(cl); // slice out `bg_` if it's a background color\n\n            var colorName = bgColor ? cl.slice(3) : cl;\n\n            if (DEFAULT_COLOR_CLASS.hasOwnProperty(colorName)) {\n              var propName = bgColor ? 'background-color' : 'color';\n              var propValue = DEFAULT_COLOR_CLASS[colorName];\n              node.style[propName] = propValue;\n            }\n          });\n          node.className = classes.join(' ');\n        } // Append the node to the current node, and enter the scope of the new\n        // node.\n\n\n        tagStack.push(m[1]);\n        current.appendChild(node);\n        current = node;\n        continue;\n      } // Text nodes are leaf nodes.\n\n\n      current.appendChild(window.document.createTextNode(unescape(t)));\n    }\n\n    return rootDiv;\n  } // This is a list of all the Unicode characters that have a strong\n  // right-to-left category. What this means is that these characters are\n  // written right-to-left for sure. It was generated by pulling all the strong\n  // right-to-left characters out of the Unicode data table. That table can\n  // found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt\n\n\n  var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6], [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d], [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6], [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5], [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815], [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858], [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f], [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c], [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1], [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc], [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808], [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855], [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f], [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13], [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58], [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72], [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f], [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32], [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42], [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f], [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59], [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62], [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77], [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b], [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];\n\n  function isStrongRTLChar(charCode) {\n    for (var i = 0; i < strongRTLRanges.length; i++) {\n      var currentRange = strongRTLRanges[i];\n\n      if (charCode >= currentRange[0] && charCode <= currentRange[1]) {\n        return true;\n      }\n    }\n\n    return false;\n  }\n\n  function determineBidi(cueDiv) {\n    var nodeStack = [],\n        text = \"\",\n        charCode;\n\n    if (!cueDiv || !cueDiv.childNodes) {\n      return \"ltr\";\n    }\n\n    function pushNodes(nodeStack, node) {\n      for (var i = node.childNodes.length - 1; i >= 0; i--) {\n        nodeStack.push(node.childNodes[i]);\n      }\n    }\n\n    function nextTextNode(nodeStack) {\n      if (!nodeStack || !nodeStack.length) {\n        return null;\n      }\n\n      var node = nodeStack.pop(),\n          text = node.textContent || node.innerText;\n\n      if (text) {\n        // TODO: This should match all unicode type B characters (paragraph\n        // separator characters). See issue #115.\n        var m = text.match(/^.*(\\n|\\r)/);\n\n        if (m) {\n          nodeStack.length = 0;\n          return m[0];\n        }\n\n        return text;\n      }\n\n      if (node.tagName === \"ruby\") {\n        return nextTextNode(nodeStack);\n      }\n\n      if (node.childNodes) {\n        pushNodes(nodeStack, node);\n        return nextTextNode(nodeStack);\n      }\n    }\n\n    pushNodes(nodeStack, cueDiv);\n\n    while (text = nextTextNode(nodeStack)) {\n      for (var i = 0; i < text.length; i++) {\n        charCode = text.charCodeAt(i);\n\n        if (isStrongRTLChar(charCode)) {\n          return \"rtl\";\n        }\n      }\n    }\n\n    return \"ltr\";\n  }\n\n  function computeLinePos(cue) {\n    if (typeof cue.line === \"number\" && (cue.snapToLines || cue.line >= 0 && cue.line <= 100)) {\n      return cue.line;\n    }\n\n    if (!cue.track || !cue.track.textTrackList || !cue.track.textTrackList.mediaElement) {\n      return -1;\n    }\n\n    var track = cue.track,\n        trackList = track.textTrackList,\n        count = 0;\n\n    for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {\n      if (trackList[i].mode === \"showing\") {\n        count++;\n      }\n    }\n\n    return ++count * -1;\n  }\n\n  function StyleBox() {} // Apply styles to a div. If there is no div passed then it defaults to the\n  // div on 'this'.\n\n\n  StyleBox.prototype.applyStyles = function (styles, div) {\n    div = div || this.div;\n\n    for (var prop in styles) {\n      if (styles.hasOwnProperty(prop)) {\n        div.style[prop] = styles[prop];\n      }\n    }\n  };\n\n  StyleBox.prototype.formatStyle = function (val, unit) {\n    return val === 0 ? 0 : val + unit;\n  }; // Constructs the computed display state of the cue (a div). Places the div\n  // into the overlay which should be a block level element (usually a div).\n\n\n  function CueStyleBox(window, cue, styleOptions) {\n    StyleBox.call(this);\n    this.cue = cue; // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will\n    // have inline positioning and will function as the cue background box.\n\n    this.cueDiv = parseContent(window, cue.text);\n    var styles = {\n      color: \"rgba(255, 255, 255, 1)\",\n      backgroundColor: \"rgba(0, 0, 0, 0.8)\",\n      position: \"relative\",\n      left: 0,\n      right: 0,\n      top: 0,\n      bottom: 0,\n      display: \"inline\",\n      writingMode: cue.vertical === \"\" ? \"horizontal-tb\" : cue.vertical === \"lr\" ? \"vertical-lr\" : \"vertical-rl\",\n      unicodeBidi: \"plaintext\"\n    };\n    this.applyStyles(styles, this.cueDiv); // Create an absolutely positioned div that will be used to position the cue\n    // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS\n    // mirrors of them except middle instead of center on Safari.\n\n    this.div = window.document.createElement(\"div\");\n    styles = {\n      direction: determineBidi(this.cueDiv),\n      writingMode: cue.vertical === \"\" ? \"horizontal-tb\" : cue.vertical === \"lr\" ? \"vertical-lr\" : \"vertical-rl\",\n      unicodeBidi: \"plaintext\",\n      textAlign: cue.align === \"middle\" ? \"center\" : cue.align,\n      font: styleOptions.font,\n      whiteSpace: \"pre-line\",\n      position: \"absolute\"\n    };\n    this.applyStyles(styles);\n    this.div.appendChild(this.cueDiv); // Calculate the distance from the reference edge of the viewport to the text\n    // position of the cue box. The reference edge will be resolved later when\n    // the box orientation styles are applied.\n\n    var textPos = 0;\n\n    switch (cue.positionAlign) {\n      case \"start\":\n        textPos = cue.position;\n        break;\n\n      case \"center\":\n        textPos = cue.position - cue.size / 2;\n        break;\n\n      case \"end\":\n        textPos = cue.position - cue.size;\n        break;\n    } // Horizontal box orientation; textPos is the distance from the left edge of the\n    // area to the left edge of the box and cue.size is the distance extending to\n    // the right from there.\n\n\n    if (cue.vertical === \"\") {\n      this.applyStyles({\n        left: this.formatStyle(textPos, \"%\"),\n        width: this.formatStyle(cue.size, \"%\")\n      }); // Vertical box orientation; textPos is the distance from the top edge of the\n      // area to the top edge of the box and cue.size is the height extending\n      // downwards from there.\n    } else {\n      this.applyStyles({\n        top: this.formatStyle(textPos, \"%\"),\n        height: this.formatStyle(cue.size, \"%\")\n      });\n    }\n\n    this.move = function (box) {\n      this.applyStyles({\n        top: this.formatStyle(box.top, \"px\"),\n        bottom: this.formatStyle(box.bottom, \"px\"),\n        left: this.formatStyle(box.left, \"px\"),\n        right: this.formatStyle(box.right, \"px\"),\n        height: this.formatStyle(box.height, \"px\"),\n        width: this.formatStyle(box.width, \"px\")\n      });\n    };\n  }\n\n  CueStyleBox.prototype = _objCreate(StyleBox.prototype);\n  CueStyleBox.prototype.constructor = CueStyleBox; // Represents the co-ordinates of an Element in a way that we can easily\n  // compute things with such as if it overlaps or intersects with another Element.\n  // Can initialize it with either a StyleBox or another BoxPosition.\n\n  function BoxPosition(obj) {\n    // Either a BoxPosition was passed in and we need to copy it, or a StyleBox\n    // was passed in and we need to copy the results of 'getBoundingClientRect'\n    // as the object returned is readonly. All co-ordinate values are in reference\n    // to the viewport origin (top left).\n    var lh, height, width, top;\n\n    if (obj.div) {\n      height = obj.div.offsetHeight;\n      width = obj.div.offsetWidth;\n      top = obj.div.offsetTop;\n      var rects = (rects = obj.div.childNodes) && (rects = rects[0]) && rects.getClientRects && rects.getClientRects();\n      obj = obj.div.getBoundingClientRect(); // In certain cases the outter div will be slightly larger then the sum of\n      // the inner div's lines. This could be due to bold text, etc, on some platforms.\n      // In this case we should get the average line height and use that. This will\n      // result in the desired behaviour.\n\n      lh = rects ? Math.max(rects[0] && rects[0].height || 0, obj.height / rects.length) : 0;\n    }\n\n    this.left = obj.left;\n    this.right = obj.right;\n    this.top = obj.top || top;\n    this.height = obj.height || height;\n    this.bottom = obj.bottom || top + (obj.height || height);\n    this.width = obj.width || width;\n    this.lineHeight = lh !== undefined ? lh : obj.lineHeight;\n  } // Move the box along a particular axis. Optionally pass in an amount to move\n  // the box. If no amount is passed then the default is the line height of the\n  // box.\n\n\n  BoxPosition.prototype.move = function (axis, toMove) {\n    toMove = toMove !== undefined ? toMove : this.lineHeight;\n\n    switch (axis) {\n      case \"+x\":\n        this.left += toMove;\n        this.right += toMove;\n        break;\n\n      case \"-x\":\n        this.left -= toMove;\n        this.right -= toMove;\n        break;\n\n      case \"+y\":\n        this.top += toMove;\n        this.bottom += toMove;\n        break;\n\n      case \"-y\":\n        this.top -= toMove;\n        this.bottom -= toMove;\n        break;\n    }\n  }; // Check if this box overlaps another box, b2.\n\n\n  BoxPosition.prototype.overlaps = function (b2) {\n    return this.left < b2.right && this.right > b2.left && this.top < b2.bottom && this.bottom > b2.top;\n  }; // Check if this box overlaps any other boxes in boxes.\n\n\n  BoxPosition.prototype.overlapsAny = function (boxes) {\n    for (var i = 0; i < boxes.length; i++) {\n      if (this.overlaps(boxes[i])) {\n        return true;\n      }\n    }\n\n    return false;\n  }; // Check if this box is within another box.\n\n\n  BoxPosition.prototype.within = function (container) {\n    return this.top >= container.top && this.bottom <= container.bottom && this.left >= container.left && this.right <= container.right;\n  }; // Check if this box is entirely within the container or it is overlapping\n  // on the edge opposite of the axis direction passed. For example, if \"+x\" is\n  // passed and the box is overlapping on the left edge of the container, then\n  // return true.\n\n\n  BoxPosition.prototype.overlapsOppositeAxis = function (container, axis) {\n    switch (axis) {\n      case \"+x\":\n        return this.left < container.left;\n\n      case \"-x\":\n        return this.right > container.right;\n\n      case \"+y\":\n        return this.top < container.top;\n\n      case \"-y\":\n        return this.bottom > container.bottom;\n    }\n  }; // Find the percentage of the area that this box is overlapping with another\n  // box.\n\n\n  BoxPosition.prototype.intersectPercentage = function (b2) {\n    var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),\n        y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),\n        intersectArea = x * y;\n    return intersectArea / (this.height * this.width);\n  }; // Convert the positions from this box to CSS compatible positions using\n  // the reference container's positions. This has to be done because this\n  // box's positions are in reference to the viewport origin, whereas, CSS\n  // values are in referecne to their respective edges.\n\n\n  BoxPosition.prototype.toCSSCompatValues = function (reference) {\n    return {\n      top: this.top - reference.top,\n      bottom: reference.bottom - this.bottom,\n      left: this.left - reference.left,\n      right: reference.right - this.right,\n      height: this.height,\n      width: this.width\n    };\n  }; // Get an object that represents the box's position without anything extra.\n  // Can pass a StyleBox, HTMLElement, or another BoxPositon.\n\n\n  BoxPosition.getSimpleBoxPosition = function (obj) {\n    var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;\n    var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;\n    var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;\n    obj = obj.div ? obj.div.getBoundingClientRect() : obj.tagName ? obj.getBoundingClientRect() : obj;\n    var ret = {\n      left: obj.left,\n      right: obj.right,\n      top: obj.top || top,\n      height: obj.height || height,\n      bottom: obj.bottom || top + (obj.height || height),\n      width: obj.width || width\n    };\n    return ret;\n  }; // Move a StyleBox to its specified, or next best, position. The containerBox\n  // is the box that contains the StyleBox, such as a div. boxPositions are\n  // a list of other boxes that the styleBox can't overlap with.\n\n\n  function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {\n    // Find the best position for a cue box, b, on the video. The axis parameter\n    // is a list of axis, the order of which, it will move the box along. For example:\n    // Passing [\"+x\", \"-x\"] will move the box first along the x axis in the positive\n    // direction. If it doesn't find a good position for it there it will then move\n    // it along the x axis in the negative direction.\n    function findBestPosition(b, axis) {\n      var bestPosition,\n          specifiedPosition = new BoxPosition(b),\n          percentage = 1; // Highest possible so the first thing we get is better.\n\n      for (var i = 0; i < axis.length; i++) {\n        while (b.overlapsOppositeAxis(containerBox, axis[i]) || b.within(containerBox) && b.overlapsAny(boxPositions)) {\n          b.move(axis[i]);\n        } // We found a spot where we aren't overlapping anything. This is our\n        // best position.\n\n\n        if (b.within(containerBox)) {\n          return b;\n        }\n\n        var p = b.intersectPercentage(containerBox); // If we're outside the container box less then we were on our last try\n        // then remember this position as the best position.\n\n        if (percentage > p) {\n          bestPosition = new BoxPosition(b);\n          percentage = p;\n        } // Reset the box position to the specified position.\n\n\n        b = new BoxPosition(specifiedPosition);\n      }\n\n      return bestPosition || specifiedPosition;\n    }\n\n    var boxPosition = new BoxPosition(styleBox),\n        cue = styleBox.cue,\n        linePos = computeLinePos(cue),\n        axis = []; // If we have a line number to align the cue to.\n\n    if (cue.snapToLines) {\n      var size;\n\n      switch (cue.vertical) {\n        case \"\":\n          axis = [\"+y\", \"-y\"];\n          size = \"height\";\n          break;\n\n        case \"rl\":\n          axis = [\"+x\", \"-x\"];\n          size = \"width\";\n          break;\n\n        case \"lr\":\n          axis = [\"-x\", \"+x\"];\n          size = \"width\";\n          break;\n      }\n\n      var step = boxPosition.lineHeight,\n          position = step * Math.round(linePos),\n          maxPosition = containerBox[size] + step,\n          initialAxis = axis[0]; // If the specified intial position is greater then the max position then\n      // clamp the box to the amount of steps it would take for the box to\n      // reach the max position.\n\n      if (Math.abs(position) > maxPosition) {\n        position = position < 0 ? -1 : 1;\n        position *= Math.ceil(maxPosition / step) * step;\n      } // If computed line position returns negative then line numbers are\n      // relative to the bottom of the video instead of the top. Therefore, we\n      // need to increase our initial position by the length or width of the\n      // video, depending on the writing direction, and reverse our axis directions.\n\n\n      if (linePos < 0) {\n        position += cue.vertical === \"\" ? containerBox.height : containerBox.width;\n        axis = axis.reverse();\n      } // Move the box to the specified position. This may not be its best\n      // position.\n\n\n      boxPosition.move(initialAxis, position);\n    } else {\n      // If we have a percentage line value for the cue.\n      var calculatedPercentage = boxPosition.lineHeight / containerBox.height * 100;\n\n      switch (cue.lineAlign) {\n        case \"center\":\n          linePos -= calculatedPercentage / 2;\n          break;\n\n        case \"end\":\n          linePos -= calculatedPercentage;\n          break;\n      } // Apply initial line position to the cue box.\n\n\n      switch (cue.vertical) {\n        case \"\":\n          styleBox.applyStyles({\n            top: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n\n        case \"rl\":\n          styleBox.applyStyles({\n            left: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n\n        case \"lr\":\n          styleBox.applyStyles({\n            right: styleBox.formatStyle(linePos, \"%\")\n          });\n          break;\n      }\n\n      axis = [\"+y\", \"-x\", \"+x\", \"-y\"]; // Get the box position again after we've applied the specified positioning\n      // to it.\n\n      boxPosition = new BoxPosition(styleBox);\n    }\n\n    var bestPosition = findBestPosition(boxPosition, axis);\n    styleBox.move(bestPosition.toCSSCompatValues(containerBox));\n  }\n\n  function WebVTT$1() {} // Nothing\n  // Helper to allow strings to be decoded instead of the default binary utf8 data.\n\n\n  WebVTT$1.StringDecoder = function () {\n    return {\n      decode: function decode(data) {\n        if (!data) {\n          return \"\";\n        }\n\n        if (typeof data !== \"string\") {\n          throw new Error(\"Error - expected string data.\");\n        }\n\n        return decodeURIComponent(encodeURIComponent(data));\n      }\n    };\n  };\n\n  WebVTT$1.convertCueToDOMTree = function (window, cuetext) {\n    if (!window || !cuetext) {\n      return null;\n    }\n\n    return parseContent(window, cuetext);\n  };\n\n  var FONT_SIZE_PERCENT = 0.05;\n  var FONT_STYLE = \"sans-serif\";\n  var CUE_BACKGROUND_PADDING = \"1.5%\"; // Runs the processing model over the cues and regions passed to it.\n  // @param overlay A block level element (usually a div) that the computed cues\n  //                and regions will be placed into.\n\n  WebVTT$1.processCues = function (window, cues, overlay) {\n    if (!window || !cues || !overlay) {\n      return null;\n    } // Remove all previous children.\n\n\n    while (overlay.firstChild) {\n      overlay.removeChild(overlay.firstChild);\n    }\n\n    var paddedOverlay = window.document.createElement(\"div\");\n    paddedOverlay.style.position = \"absolute\";\n    paddedOverlay.style.left = \"0\";\n    paddedOverlay.style.right = \"0\";\n    paddedOverlay.style.top = \"0\";\n    paddedOverlay.style.bottom = \"0\";\n    paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;\n    overlay.appendChild(paddedOverlay); // Determine if we need to compute the display states of the cues. This could\n    // be the case if a cue's state has been changed since the last computation or\n    // if it has not been computed yet.\n\n    function shouldCompute(cues) {\n      for (var i = 0; i < cues.length; i++) {\n        if (cues[i].hasBeenReset || !cues[i].displayState) {\n          return true;\n        }\n      }\n\n      return false;\n    } // We don't need to recompute the cues' display states. Just reuse them.\n\n\n    if (!shouldCompute(cues)) {\n      for (var i = 0; i < cues.length; i++) {\n        paddedOverlay.appendChild(cues[i].displayState);\n      }\n\n      return;\n    }\n\n    var boxPositions = [],\n        containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),\n        fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;\n    var styleOptions = {\n      font: fontSize + \"px \" + FONT_STYLE\n    };\n\n    (function () {\n      var styleBox, cue;\n\n      for (var i = 0; i < cues.length; i++) {\n        cue = cues[i]; // Compute the intial position and styles of the cue div.\n\n        styleBox = new CueStyleBox(window, cue, styleOptions);\n        paddedOverlay.appendChild(styleBox.div); // Move the cue div to it's correct line position.\n\n        moveBoxToLinePosition(window, styleBox, containerBox, boxPositions); // Remember the computed div so that we don't have to recompute it later\n        // if we don't have too.\n\n        cue.displayState = styleBox.div;\n        boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));\n      }\n    })();\n  };\n\n  WebVTT$1.Parser = function (window, vttjs, decoder) {\n    if (!decoder) {\n      decoder = vttjs;\n      vttjs = {};\n    }\n\n    if (!vttjs) {\n      vttjs = {};\n    }\n\n    this.window = window;\n    this.vttjs = vttjs;\n    this.state = \"INITIAL\";\n    this.buffer = \"\";\n    this.decoder = decoder || new TextDecoder(\"utf8\");\n    this.regionList = [];\n  };\n\n  WebVTT$1.Parser.prototype = {\n    // If the error is a ParsingError then report it to the consumer if\n    // possible. If it's not a ParsingError then throw it like normal.\n    reportOrThrowError: function reportOrThrowError(e) {\n      if (e instanceof ParsingError) {\n        this.onparsingerror && this.onparsingerror(e);\n      } else {\n        throw e;\n      }\n    },\n    parse: function parse(data) {\n      var self = this; // If there is no data then we won't decode it, but will just try to parse\n      // whatever is in buffer already. This may occur in circumstances, for\n      // example when flush() is called.\n\n      if (data) {\n        // Try to decode the data that we received.\n        self.buffer += self.decoder.decode(data, {\n          stream: true\n        });\n      }\n\n      function collectNextLine() {\n        var buffer = self.buffer;\n        var pos = 0;\n\n        while (pos < buffer.length && buffer[pos] !== '\\r' && buffer[pos] !== '\\n') {\n          ++pos;\n        }\n\n        var line = buffer.substr(0, pos); // Advance the buffer early in case we fail below.\n\n        if (buffer[pos] === '\\r') {\n          ++pos;\n        }\n\n        if (buffer[pos] === '\\n') {\n          ++pos;\n        }\n\n        self.buffer = buffer.substr(pos);\n        return line;\n      } // 3.4 WebVTT region and WebVTT region settings syntax\n\n\n      function parseRegion(input) {\n        var settings = new Settings();\n        parseOptions(input, function (k, v) {\n          switch (k) {\n            case \"id\":\n              settings.set(k, v);\n              break;\n\n            case \"width\":\n              settings.percent(k, v);\n              break;\n\n            case \"lines\":\n              settings.integer(k, v);\n              break;\n\n            case \"regionanchor\":\n            case \"viewportanchor\":\n              var xy = v.split(',');\n\n              if (xy.length !== 2) {\n                break;\n              } // We have to make sure both x and y parse, so use a temporary\n              // settings object here.\n\n\n              var anchor = new Settings();\n              anchor.percent(\"x\", xy[0]);\n              anchor.percent(\"y\", xy[1]);\n\n              if (!anchor.has(\"x\") || !anchor.has(\"y\")) {\n                break;\n              }\n\n              settings.set(k + \"X\", anchor.get(\"x\"));\n              settings.set(k + \"Y\", anchor.get(\"y\"));\n              break;\n\n            case \"scroll\":\n              settings.alt(k, v, [\"up\"]);\n              break;\n          }\n        }, /=/, /\\s/); // Create the region, using default values for any values that were not\n        // specified.\n\n        if (settings.has(\"id\")) {\n          var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();\n          region.width = settings.get(\"width\", 100);\n          region.lines = settings.get(\"lines\", 3);\n          region.regionAnchorX = settings.get(\"regionanchorX\", 0);\n          region.regionAnchorY = settings.get(\"regionanchorY\", 100);\n          region.viewportAnchorX = settings.get(\"viewportanchorX\", 0);\n          region.viewportAnchorY = settings.get(\"viewportanchorY\", 100);\n          region.scroll = settings.get(\"scroll\", \"\"); // Register the region.\n\n          self.onregion && self.onregion(region); // Remember the VTTRegion for later in case we parse any VTTCues that\n          // reference it.\n\n          self.regionList.push({\n            id: settings.get(\"id\"),\n            region: region\n          });\n        }\n      } // draft-pantos-http-live-streaming-20\n      // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5\n      // 3.5 WebVTT\n\n\n      function parseTimestampMap(input) {\n        var settings = new Settings();\n        parseOptions(input, function (k, v) {\n          switch (k) {\n            case \"MPEGT\":\n              settings.integer(k + 'S', v);\n              break;\n\n            case \"LOCA\":\n              settings.set(k + 'L', parseTimeStamp(v));\n              break;\n          }\n        }, /[^\\d]:/, /,/);\n        self.ontimestampmap && self.ontimestampmap({\n          \"MPEGTS\": settings.get(\"MPEGTS\"),\n          \"LOCAL\": settings.get(\"LOCAL\")\n        });\n      } // 3.2 WebVTT metadata header syntax\n\n\n      function parseHeader(input) {\n        if (input.match(/X-TIMESTAMP-MAP/)) {\n          // This line contains HLS X-TIMESTAMP-MAP metadata\n          parseOptions(input, function (k, v) {\n            switch (k) {\n              case \"X-TIMESTAMP-MAP\":\n                parseTimestampMap(v);\n                break;\n            }\n          }, /=/);\n        } else {\n          parseOptions(input, function (k, v) {\n            switch (k) {\n              case \"Region\":\n                // 3.3 WebVTT region metadata header syntax\n                parseRegion(v);\n                break;\n            }\n          }, /:/);\n        }\n      } // 5.1 WebVTT file parsing.\n\n\n      try {\n        var line;\n\n        if (self.state === \"INITIAL\") {\n          // We can't start parsing until we have the first line.\n          if (!/\\r\\n|\\n/.test(self.buffer)) {\n            return this;\n          }\n\n          line = collectNextLine();\n          var m = line.match(/^WEBVTT([ \\t].*)?$/);\n\n          if (!m || !m[0]) {\n            throw new ParsingError(ParsingError.Errors.BadSignature);\n          }\n\n          self.state = \"HEADER\";\n        }\n\n        var alreadyCollectedLine = false;\n\n        while (self.buffer) {\n          // We can't parse a line until we have the full line.\n          if (!/\\r\\n|\\n/.test(self.buffer)) {\n            return this;\n          }\n\n          if (!alreadyCollectedLine) {\n            line = collectNextLine();\n          } else {\n            alreadyCollectedLine = false;\n          }\n\n          switch (self.state) {\n            case \"HEADER\":\n              // 13-18 - Allow a header (metadata) under the WEBVTT line.\n              if (/:/.test(line)) {\n                parseHeader(line);\n              } else if (!line) {\n                // An empty line terminates the header and starts the body (cues).\n                self.state = \"ID\";\n              }\n\n              continue;\n\n            case \"NOTE\":\n              // Ignore NOTE blocks.\n              if (!line) {\n                self.state = \"ID\";\n              }\n\n              continue;\n\n            case \"ID\":\n              // Check for the start of NOTE blocks.\n              if (/^NOTE($|[ \\t])/.test(line)) {\n                self.state = \"NOTE\";\n                break;\n              } // 19-29 - Allow any number of line terminators, then initialize new cue values.\n\n\n              if (!line) {\n                continue;\n              }\n\n              self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, \"\"); // Safari still uses the old middle value and won't accept center\n\n              try {\n                self.cue.align = \"center\";\n              } catch (e) {\n                self.cue.align = \"middle\";\n              }\n\n              self.state = \"CUE\"; // 30-39 - Check if self line contains an optional identifier or timing data.\n\n              if (line.indexOf(\"-->\") === -1) {\n                self.cue.id = line;\n                continue;\n              }\n\n            // Process line as start of a cue.\n\n            /*falls through*/\n\n            case \"CUE\":\n              // 40 - Collect cue timings and settings.\n              try {\n                parseCue(line, self.cue, self.regionList);\n              } catch (e) {\n                self.reportOrThrowError(e); // In case of an error ignore rest of the cue.\n\n                self.cue = null;\n                self.state = \"BADCUE\";\n                continue;\n              }\n\n              self.state = \"CUETEXT\";\n              continue;\n\n            case \"CUETEXT\":\n              var hasSubstring = line.indexOf(\"-->\") !== -1; // 34 - If we have an empty line then report the cue.\n              // 35 - If we have the special substring '-->' then report the cue,\n              // but do not collect the line as we need to process the current\n              // one as a new cue.\n\n              if (!line || hasSubstring && (alreadyCollectedLine = true)) {\n                // We are done parsing self cue.\n                self.oncue && self.oncue(self.cue);\n                self.cue = null;\n                self.state = \"ID\";\n                continue;\n              }\n\n              if (self.cue.text) {\n                self.cue.text += \"\\n\";\n              }\n\n              self.cue.text += line.replace(/\\u2028/g, '\\n').replace(/u2029/g, '\\n');\n              continue;\n\n            case \"BADCUE\":\n              // BADCUE\n              // 54-62 - Collect and discard the remaining cue.\n              if (!line) {\n                self.state = \"ID\";\n              }\n\n              continue;\n          }\n        }\n      } catch (e) {\n        self.reportOrThrowError(e); // If we are currently parsing a cue, report what we have.\n\n        if (self.state === \"CUETEXT\" && self.cue && self.oncue) {\n          self.oncue(self.cue);\n        }\n\n        self.cue = null; // Enter BADWEBVTT state if header was not parsed correctly otherwise\n        // another exception occurred so enter BADCUE state.\n\n        self.state = self.state === \"INITIAL\" ? \"BADWEBVTT\" : \"BADCUE\";\n      }\n\n      return this;\n    },\n    flush: function flush() {\n      var self = this;\n\n      try {\n        // Finish decoding the stream.\n        self.buffer += self.decoder.decode(); // Synthesize the end of the current cue or region.\n\n        if (self.cue || self.state === \"HEADER\") {\n          self.buffer += \"\\n\\n\";\n          self.parse();\n        } // If we've flushed, parsed, and we're still on the INITIAL state then\n        // that means we don't have enough of the stream to parse the first\n        // line.\n\n\n        if (self.state === \"INITIAL\") {\n          throw new ParsingError(ParsingError.Errors.BadSignature);\n        }\n      } catch (e) {\n        self.reportOrThrowError(e);\n      }\n\n      self.onflush && self.onflush();\n      return this;\n    }\n  };\n  var vtt = WebVTT$1;\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n  var autoKeyword = \"auto\";\n  var directionSetting = {\n    \"\": 1,\n    \"lr\": 1,\n    \"rl\": 1\n  };\n  var alignSetting = {\n    \"start\": 1,\n    \"center\": 1,\n    \"end\": 1,\n    \"left\": 1,\n    \"right\": 1,\n    \"auto\": 1,\n    \"line-left\": 1,\n    \"line-right\": 1\n  };\n\n  function findDirectionSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var dir = directionSetting[value.toLowerCase()];\n    return dir ? value.toLowerCase() : false;\n  }\n\n  function findAlignSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var align = alignSetting[value.toLowerCase()];\n    return align ? value.toLowerCase() : false;\n  }\n\n  function VTTCue(startTime, endTime, text) {\n    /**\n     * Shim implementation specific properties. These properties are not in\n     * the spec.\n     */\n    // Lets us know when the VTTCue's data has changed in such a way that we need\n    // to recompute its display state. This lets us compute its display state\n    // lazily.\n    this.hasBeenReset = false;\n    /**\n     * VTTCue and TextTrackCue properties\n     * http://dev.w3.org/html5/webvtt/#vttcue-interface\n     */\n\n    var _id = \"\";\n    var _pauseOnExit = false;\n    var _startTime = startTime;\n    var _endTime = endTime;\n    var _text = text;\n    var _region = null;\n    var _vertical = \"\";\n    var _snapToLines = true;\n    var _line = \"auto\";\n    var _lineAlign = \"start\";\n    var _position = \"auto\";\n    var _positionAlign = \"auto\";\n    var _size = 100;\n    var _align = \"center\";\n    Object.defineProperties(this, {\n      \"id\": {\n        enumerable: true,\n        get: function get() {\n          return _id;\n        },\n        set: function set(value) {\n          _id = \"\" + value;\n        }\n      },\n      \"pauseOnExit\": {\n        enumerable: true,\n        get: function get() {\n          return _pauseOnExit;\n        },\n        set: function set(value) {\n          _pauseOnExit = !!value;\n        }\n      },\n      \"startTime\": {\n        enumerable: true,\n        get: function get() {\n          return _startTime;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"Start time must be set to a number.\");\n          }\n\n          _startTime = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"endTime\": {\n        enumerable: true,\n        get: function get() {\n          return _endTime;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"End time must be set to a number.\");\n          }\n\n          _endTime = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"text\": {\n        enumerable: true,\n        get: function get() {\n          return _text;\n        },\n        set: function set(value) {\n          _text = \"\" + value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"region\": {\n        enumerable: true,\n        get: function get() {\n          return _region;\n        },\n        set: function set(value) {\n          _region = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"vertical\": {\n        enumerable: true,\n        get: function get() {\n          return _vertical;\n        },\n        set: function set(value) {\n          var setting = findDirectionSetting(value); // Have to check for false because the setting an be an empty string.\n\n          if (setting === false) {\n            throw new SyntaxError(\"Vertical: an invalid or illegal direction string was specified.\");\n          }\n\n          _vertical = setting;\n          this.hasBeenReset = true;\n        }\n      },\n      \"snapToLines\": {\n        enumerable: true,\n        get: function get() {\n          return _snapToLines;\n        },\n        set: function set(value) {\n          _snapToLines = !!value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"line\": {\n        enumerable: true,\n        get: function get() {\n          return _line;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\" && value !== autoKeyword) {\n            throw new SyntaxError(\"Line: an invalid number or illegal string was specified.\");\n          }\n\n          _line = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"lineAlign\": {\n        enumerable: true,\n        get: function get() {\n          return _lineAlign;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            console.warn(\"lineAlign: an invalid or illegal string was specified.\");\n          } else {\n            _lineAlign = setting;\n            this.hasBeenReset = true;\n          }\n        }\n      },\n      \"position\": {\n        enumerable: true,\n        get: function get() {\n          return _position;\n        },\n        set: function set(value) {\n          if (value < 0 || value > 100) {\n            throw new Error(\"Position must be between 0 and 100.\");\n          }\n\n          _position = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"positionAlign\": {\n        enumerable: true,\n        get: function get() {\n          return _positionAlign;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            console.warn(\"positionAlign: an invalid or illegal string was specified.\");\n          } else {\n            _positionAlign = setting;\n            this.hasBeenReset = true;\n          }\n        }\n      },\n      \"size\": {\n        enumerable: true,\n        get: function get() {\n          return _size;\n        },\n        set: function set(value) {\n          if (value < 0 || value > 100) {\n            throw new Error(\"Size must be between 0 and 100.\");\n          }\n\n          _size = value;\n          this.hasBeenReset = true;\n        }\n      },\n      \"align\": {\n        enumerable: true,\n        get: function get() {\n          return _align;\n        },\n        set: function set(value) {\n          var setting = findAlignSetting(value);\n\n          if (!setting) {\n            throw new SyntaxError(\"align: an invalid or illegal alignment string was specified.\");\n          }\n\n          _align = setting;\n          this.hasBeenReset = true;\n        }\n      }\n    });\n    /**\n     * Other <track> spec defined properties\n     */\n    // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state\n\n    this.displayState = undefined;\n  }\n  /**\n   * VTTCue methods\n   */\n\n\n  VTTCue.prototype.getCueAsHTML = function () {\n    // Assume WebVTT.convertCueToDOMTree is on the global.\n    return WebVTT.convertCueToDOMTree(window, this.text);\n  };\n\n  var vttcue = VTTCue;\n\n  /**\n   * Copyright 2013 vtt.js Contributors\n   *\n   * Licensed under the Apache License, Version 2.0 (the \"License\");\n   * you may not use this file except in compliance with the License.\n   * You may obtain a copy of the License at\n   *\n   *   http://www.apache.org/licenses/LICENSE-2.0\n   *\n   * Unless required by applicable law or agreed to in writing, software\n   * distributed under the License is distributed on an \"AS IS\" BASIS,\n   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n   * See the License for the specific language governing permissions and\n   * limitations under the License.\n   */\n  var scrollSetting = {\n    \"\": true,\n    \"up\": true\n  };\n\n  function findScrollSetting(value) {\n    if (typeof value !== \"string\") {\n      return false;\n    }\n\n    var scroll = scrollSetting[value.toLowerCase()];\n    return scroll ? value.toLowerCase() : false;\n  }\n\n  function isValidPercentValue(value) {\n    return typeof value === \"number\" && value >= 0 && value <= 100;\n  } // VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface\n\n\n  function VTTRegion() {\n    var _width = 100;\n    var _lines = 3;\n    var _regionAnchorX = 0;\n    var _regionAnchorY = 100;\n    var _viewportAnchorX = 0;\n    var _viewportAnchorY = 100;\n    var _scroll = \"\";\n    Object.defineProperties(this, {\n      \"width\": {\n        enumerable: true,\n        get: function get() {\n          return _width;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"Width must be between 0 and 100.\");\n          }\n\n          _width = value;\n        }\n      },\n      \"lines\": {\n        enumerable: true,\n        get: function get() {\n          return _lines;\n        },\n        set: function set(value) {\n          if (typeof value !== \"number\") {\n            throw new TypeError(\"Lines must be set to a number.\");\n          }\n\n          _lines = value;\n        }\n      },\n      \"regionAnchorY\": {\n        enumerable: true,\n        get: function get() {\n          return _regionAnchorY;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"RegionAnchorX must be between 0 and 100.\");\n          }\n\n          _regionAnchorY = value;\n        }\n      },\n      \"regionAnchorX\": {\n        enumerable: true,\n        get: function get() {\n          return _regionAnchorX;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"RegionAnchorY must be between 0 and 100.\");\n          }\n\n          _regionAnchorX = value;\n        }\n      },\n      \"viewportAnchorY\": {\n        enumerable: true,\n        get: function get() {\n          return _viewportAnchorY;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"ViewportAnchorY must be between 0 and 100.\");\n          }\n\n          _viewportAnchorY = value;\n        }\n      },\n      \"viewportAnchorX\": {\n        enumerable: true,\n        get: function get() {\n          return _viewportAnchorX;\n        },\n        set: function set(value) {\n          if (!isValidPercentValue(value)) {\n            throw new Error(\"ViewportAnchorX must be between 0 and 100.\");\n          }\n\n          _viewportAnchorX = value;\n        }\n      },\n      \"scroll\": {\n        enumerable: true,\n        get: function get() {\n          return _scroll;\n        },\n        set: function set(value) {\n          var setting = findScrollSetting(value); // Have to check for false as an empty string is a legal value.\n\n          if (setting === false) {\n            console.warn(\"Scroll: an invalid or illegal string was specified.\");\n          } else {\n            _scroll = setting;\n          }\n        }\n      }\n    });\n  }\n\n  var vttregion = VTTRegion;\n\n  var browserIndex = createCommonjsModule(function (module) {\n    /**\n     * Copyright 2013 vtt.js Contributors\n     *\n     * Licensed under the Apache License, Version 2.0 (the \"License\");\n     * you may not use this file except in compliance with the License.\n     * You may obtain a copy of the License at\n     *\n     *   http://www.apache.org/licenses/LICENSE-2.0\n     *\n     * Unless required by applicable law or agreed to in writing, software\n     * distributed under the License is distributed on an \"AS IS\" BASIS,\n     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n     * See the License for the specific language governing permissions and\n     * limitations under the License.\n     */\n    // Default exports for Node. Export the extended versions of VTTCue and\n    // VTTRegion in Node since we likely want the capability to convert back and\n    // forth between JSON. If we don't then it's not that big of a deal since we're\n    // off browser.\n    var vttjs = module.exports = {\n      WebVTT: vtt,\n      VTTCue: vttcue,\n      VTTRegion: vttregion\n    };\n    window$3.vttjs = vttjs;\n    window$3.WebVTT = vttjs.WebVTT;\n    var cueShim = vttjs.VTTCue;\n    var regionShim = vttjs.VTTRegion;\n    var nativeVTTCue = window$3.VTTCue;\n    var nativeVTTRegion = window$3.VTTRegion;\n\n    vttjs.shim = function () {\n      window$3.VTTCue = cueShim;\n      window$3.VTTRegion = regionShim;\n    };\n\n    vttjs.restore = function () {\n      window$3.VTTCue = nativeVTTCue;\n      window$3.VTTRegion = nativeVTTRegion;\n    };\n\n    if (!window$3.VTTCue) {\n      vttjs.shim();\n    }\n  });\n  var browserIndex_1 = browserIndex.WebVTT;\n  var browserIndex_2 = browserIndex.VTTCue;\n  var browserIndex_3 = browserIndex.VTTRegion;\n\n  /**\n   * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string\n   * that just contains the src url alone.\n   * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`\n     * `var SourceString = 'http://example.com/some-video.mp4';`\n   *\n   * @typedef {Object|string} Tech~SourceObject\n   *\n   * @property {string} src\n   *           The url to the source\n   *\n   * @property {string} type\n   *           The mime type of the source\n   */\n\n  /**\n   * A function used by {@link Tech} to create a new {@link TextTrack}.\n   *\n   * @private\n   *\n   * @param {Tech} self\n   *        An instance of the Tech class.\n   *\n   * @param {string} kind\n   *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n   *\n   * @param {string} [label]\n   *        Label to identify the text track\n   *\n   * @param {string} [language]\n   *        Two letter language abbreviation\n   *\n   * @param {Object} [options={}]\n   *        An object with additional text track options\n   *\n   * @return {TextTrack}\n   *          The text track that was created.\n   */\n\n  function createTrackHelper(self, kind, label, language, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var tracks = self.textTracks();\n    options.kind = kind;\n\n    if (label) {\n      options.label = label;\n    }\n\n    if (language) {\n      options.language = language;\n    }\n\n    options.tech = self;\n    var track = new ALL.text.TrackClass(options);\n    tracks.addTrack(track);\n    return track;\n  }\n  /**\n   * This is the base class for media playback technology controllers, such as\n   * {@link Flash} and {@link HTML5}\n   *\n   * @extends Component\n   */\n\n\n  var Tech = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Tech, _Component);\n\n    /**\n    * Create an instance of this Tech.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    *\n    * @param {Component~ReadyCallback} ready\n    *        Callback function to call when the `HTML5` Tech is ready.\n    */\n    function Tech(options, ready) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (ready === void 0) {\n        ready = function ready() {};\n      }\n\n      // we don't want the tech to report user activity automatically.\n      // This is done manually in addControlsListeners\n      options.reportTouchActivity = false;\n      _this = _Component.call(this, null, options, ready) || this; // keep track of whether the current source has played at all to\n      // implement a very limited played()\n\n      _this.hasStarted_ = false;\n\n      _this.on('playing', function () {\n        this.hasStarted_ = true;\n      });\n\n      _this.on('loadstart', function () {\n        this.hasStarted_ = false;\n      });\n\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n\n        if (options && options[props.getterName]) {\n          _this[props.privateName] = options[props.getterName];\n        }\n      }); // Manually track progress in cases where the browser/flash player doesn't report it.\n\n      if (!_this.featuresProgressEvents) {\n        _this.manualProgressOn();\n      } // Manually track timeupdates in cases where the browser/flash player doesn't report it.\n\n\n      if (!_this.featuresTimeupdateEvents) {\n        _this.manualTimeUpdatesOn();\n      }\n\n      ['Text', 'Audio', 'Video'].forEach(function (track) {\n        if (options[\"native\" + track + \"Tracks\"] === false) {\n          _this[\"featuresNative\" + track + \"Tracks\"] = false;\n        }\n      });\n\n      if (options.nativeCaptions === false || options.nativeTextTracks === false) {\n        _this.featuresNativeTextTracks = false;\n      } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {\n        _this.featuresNativeTextTracks = true;\n      }\n\n      if (!_this.featuresNativeTextTracks) {\n        _this.emulateTextTracks();\n      }\n\n      _this.preloadTextTracks = options.preloadTextTracks !== false;\n      _this.autoRemoteTextTracks_ = new ALL.text.ListClass();\n\n      _this.initTrackListeners(); // Turn on component tap events only if not using native controls\n\n\n      if (!options.nativeControlsForTouch) {\n        _this.emitTapEvents();\n      }\n\n      if (_this.constructor) {\n        _this.name_ = _this.constructor.name || 'Unknown Tech';\n      }\n\n      return _this;\n    }\n    /**\n     * A special function to trigger source set in a way that will allow player\n     * to re-trigger if the player or tech are not ready yet.\n     *\n     * @fires Tech#sourceset\n     * @param {string} src The source string at the time of the source changing.\n     */\n\n\n    var _proto = Tech.prototype;\n\n    _proto.triggerSourceset = function triggerSourceset(src) {\n      var _this2 = this;\n\n      if (!this.isReady_) {\n        // on initial ready we have to trigger source set\n        // 1ms after ready so that player can watch for it.\n        this.one('ready', function () {\n          return _this2.setTimeout(function () {\n            return _this2.triggerSourceset(src);\n          }, 1);\n        });\n      }\n      /**\n       * Fired when the source is set on the tech causing the media element\n       * to reload.\n       *\n       * @see {@link Player#event:sourceset}\n       * @event Tech#sourceset\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger({\n        src: src,\n        type: 'sourceset'\n      });\n    }\n    /* Fallbacks for unsupported event types\n    ================================================================================ */\n\n    /**\n     * Polyfill the `progress` event for browsers that don't support it natively.\n     *\n     * @see {@link Tech#trackProgress}\n     */\n    ;\n\n    _proto.manualProgressOn = function manualProgressOn() {\n      this.on('durationchange', this.onDurationChange);\n      this.manualProgress = true; // Trigger progress watching when a source begins loading\n\n      this.one('ready', this.trackProgress);\n    }\n    /**\n     * Turn off the polyfill for `progress` events that was created in\n     * {@link Tech#manualProgressOn}\n     */\n    ;\n\n    _proto.manualProgressOff = function manualProgressOff() {\n      this.manualProgress = false;\n      this.stopTrackingProgress();\n      this.off('durationchange', this.onDurationChange);\n    }\n    /**\n     * This is used to trigger a `progress` event when the buffered percent changes. It\n     * sets an interval function that will be called every 500 milliseconds to check if the\n     * buffer end percent has changed.\n     *\n     * > This function is called by {@link Tech#manualProgressOn}\n     *\n     * @param {EventTarget~Event} event\n     *        The `ready` event that caused this to run.\n     *\n     * @listens Tech#ready\n     * @fires Tech#progress\n     */\n    ;\n\n    _proto.trackProgress = function trackProgress(event) {\n      this.stopTrackingProgress();\n      this.progressInterval = this.setInterval(bind(this, function () {\n        // Don't trigger unless buffered amount is greater than last time\n        var numBufferedPercent = this.bufferedPercent();\n\n        if (this.bufferedPercent_ !== numBufferedPercent) {\n          /**\n           * See {@link Player#progress}\n           *\n           * @event Tech#progress\n           * @type {EventTarget~Event}\n           */\n          this.trigger('progress');\n        }\n\n        this.bufferedPercent_ = numBufferedPercent;\n\n        if (numBufferedPercent === 1) {\n          this.stopTrackingProgress();\n        }\n      }), 500);\n    }\n    /**\n     * Update our internal duration on a `durationchange` event by calling\n     * {@link Tech#duration}.\n     *\n     * @param {EventTarget~Event} event\n     *        The `durationchange` event that caused this to run.\n     *\n     * @listens Tech#durationchange\n     */\n    ;\n\n    _proto.onDurationChange = function onDurationChange(event) {\n      this.duration_ = this.duration();\n    }\n    /**\n     * Get and create a `TimeRange` object for buffering.\n     *\n     * @return {TimeRange}\n     *         The time range object that was created.\n     */\n    ;\n\n    _proto.buffered = function buffered() {\n      return createTimeRanges(0, 0);\n    }\n    /**\n     * Get the percentage of the current video that is currently buffered.\n     *\n     * @return {number}\n     *         A number from 0 to 1 that represents the decimal percentage of the\n     *         video that is buffered.\n     *\n     */\n    ;\n\n    _proto.bufferedPercent = function bufferedPercent$1() {\n      return bufferedPercent(this.buffered(), this.duration_);\n    }\n    /**\n     * Turn off the polyfill for `progress` events that was created in\n     * {@link Tech#manualProgressOn}\n     * Stop manually tracking progress events by clearing the interval that was set in\n     * {@link Tech#trackProgress}.\n     */\n    ;\n\n    _proto.stopTrackingProgress = function stopTrackingProgress() {\n      this.clearInterval(this.progressInterval);\n    }\n    /**\n     * Polyfill the `timeupdate` event for browsers that don't support it.\n     *\n     * @see {@link Tech#trackCurrentTime}\n     */\n    ;\n\n    _proto.manualTimeUpdatesOn = function manualTimeUpdatesOn() {\n      this.manualTimeUpdates = true;\n      this.on('play', this.trackCurrentTime);\n      this.on('pause', this.stopTrackingCurrentTime);\n    }\n    /**\n     * Turn off the polyfill for `timeupdate` events that was created in\n     * {@link Tech#manualTimeUpdatesOn}\n     */\n    ;\n\n    _proto.manualTimeUpdatesOff = function manualTimeUpdatesOff() {\n      this.manualTimeUpdates = false;\n      this.stopTrackingCurrentTime();\n      this.off('play', this.trackCurrentTime);\n      this.off('pause', this.stopTrackingCurrentTime);\n    }\n    /**\n     * Sets up an interval function to track current time and trigger `timeupdate` every\n     * 250 milliseconds.\n     *\n     * @listens Tech#play\n     * @triggers Tech#timeupdate\n     */\n    ;\n\n    _proto.trackCurrentTime = function trackCurrentTime() {\n      if (this.currentTimeInterval) {\n        this.stopTrackingCurrentTime();\n      }\n\n      this.currentTimeInterval = this.setInterval(function () {\n        /**\n         * Triggered at an interval of 250ms to indicated that time is passing in the video.\n         *\n         * @event Tech#timeupdate\n         * @type {EventTarget~Event}\n         */\n        this.trigger({\n          type: 'timeupdate',\n          target: this,\n          manuallyTriggered: true\n        }); // 42 = 24 fps // 250 is what Webkit uses // FF uses 15\n      }, 250);\n    }\n    /**\n     * Stop the interval function created in {@link Tech#trackCurrentTime} so that the\n     * `timeupdate` event is no longer triggered.\n     *\n     * @listens {Tech#pause}\n     */\n    ;\n\n    _proto.stopTrackingCurrentTime = function stopTrackingCurrentTime() {\n      this.clearInterval(this.currentTimeInterval); // #1002 - if the video ends right before the next timeupdate would happen,\n      // the progress bar won't make it all the way to the end\n\n      this.trigger({\n        type: 'timeupdate',\n        target: this,\n        manuallyTriggered: true\n      });\n    }\n    /**\n     * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},\n     * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.\n     *\n     * @fires Component#dispose\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      // clear out all tracks because we can't reuse them between techs\n      this.clearTracks(NORMAL.names); // Turn off any manual progress or timeupdate tracking\n\n      if (this.manualProgress) {\n        this.manualProgressOff();\n      }\n\n      if (this.manualTimeUpdates) {\n        this.manualTimeUpdatesOff();\n      }\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Clear out a single `TrackList` or an array of `TrackLists` given their names.\n     *\n     * > Note: Techs without source handlers should call this between sources for `video`\n     *         & `audio` tracks. You don't want to use them between tracks!\n     *\n     * @param {string[]|string} types\n     *        TrackList names to clear, valid names are `video`, `audio`, and\n     *        `text`.\n     */\n    ;\n\n    _proto.clearTracks = function clearTracks(types) {\n      var _this3 = this;\n\n      types = [].concat(types); // clear out all tracks because we can't reuse them between techs\n\n      types.forEach(function (type) {\n        var list = _this3[type + \"Tracks\"]() || [];\n        var i = list.length;\n\n        while (i--) {\n          var track = list[i];\n\n          if (type === 'text') {\n            _this3.removeRemoteTextTrack(track);\n          }\n\n          list.removeTrack(track);\n        }\n      });\n    }\n    /**\n     * Remove any TextTracks added via addRemoteTextTrack that are\n     * flagged for automatic garbage collection\n     */\n    ;\n\n    _proto.cleanupAutoTextTracks = function cleanupAutoTextTracks() {\n      var list = this.autoRemoteTextTracks_ || [];\n      var i = list.length;\n\n      while (i--) {\n        var track = list[i];\n        this.removeRemoteTextTrack(track);\n      }\n    }\n    /**\n     * Reset the tech, which will removes all sources and reset the internal readyState.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.reset = function reset() {}\n    /**\n     * Get or set an error on the Tech.\n     *\n     * @param {MediaError} [err]\n     *        Error to set on the Tech\n     *\n     * @return {MediaError|null}\n     *         The current error object on the tech, or null if there isn't one.\n     */\n    ;\n\n    _proto.error = function error(err) {\n      if (err !== undefined) {\n        this.error_ = new MediaError(err);\n        this.trigger('error');\n      }\n\n      return this.error_;\n    }\n    /**\n     * Returns the `TimeRange`s that have been played through for the current source.\n     *\n     * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.\n     *         It only checks whether the source has played at all or not.\n     *\n     * @return {TimeRange}\n     *         - A single time range if this video has played\n     *         - An empty set of ranges if not.\n     */\n    ;\n\n    _proto.played = function played() {\n      if (this.hasStarted_) {\n        return createTimeRanges(0, 0);\n      }\n\n      return createTimeRanges();\n    }\n    /**\n     * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was\n     * previously called.\n     *\n     * @fires Tech#timeupdate\n     */\n    ;\n\n    _proto.setCurrentTime = function setCurrentTime() {\n      // improve the accuracy of manual timeupdates\n      if (this.manualTimeUpdates) {\n        /**\n         * A manual `timeupdate` event.\n         *\n         * @event Tech#timeupdate\n         * @type {EventTarget~Event}\n         */\n        this.trigger({\n          type: 'timeupdate',\n          target: this,\n          manuallyTriggered: true\n        });\n      }\n    }\n    /**\n     * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and\n     * {@link TextTrackList} events.\n     *\n     * This adds {@link EventTarget~EventListeners} for `addtrack`, and  `removetrack`.\n     *\n     * @fires Tech#audiotrackchange\n     * @fires Tech#videotrackchange\n     * @fires Tech#texttrackchange\n     */\n    ;\n\n    _proto.initTrackListeners = function initTrackListeners() {\n      var _this4 = this;\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}\n        *\n        * @event Tech#audiotrackchange\n        * @type {EventTarget~Event}\n        */\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}\n        *\n        * @event Tech#videotrackchange\n        * @type {EventTarget~Event}\n        */\n\n      /**\n        * Triggered when tracks are added or removed on the Tech {@link TextTrackList}\n        *\n        * @event Tech#texttrackchange\n        * @type {EventTarget~Event}\n        */\n      NORMAL.names.forEach(function (name) {\n        var props = NORMAL[name];\n\n        var trackListChanges = function trackListChanges() {\n          _this4.trigger(name + \"trackchange\");\n        };\n\n        var tracks = _this4[props.getterName]();\n\n        tracks.addEventListener('removetrack', trackListChanges);\n        tracks.addEventListener('addtrack', trackListChanges);\n\n        _this4.on('dispose', function () {\n          tracks.removeEventListener('removetrack', trackListChanges);\n          tracks.removeEventListener('addtrack', trackListChanges);\n        });\n      });\n    }\n    /**\n     * Emulate TextTracks using vtt.js if necessary\n     *\n     * @fires Tech#vttjsloaded\n     * @fires Tech#vttjserror\n     */\n    ;\n\n    _proto.addWebVttScript_ = function addWebVttScript_() {\n      var _this5 = this;\n\n      if (window$3.WebVTT) {\n        return;\n      } // Initially, Tech.el_ is a child of a dummy-div wait until the Component system\n      // signals that the Tech is ready at which point Tech.el_ is part of the DOM\n      // before inserting the WebVTT script\n\n\n      if (document.body.contains(this.el())) {\n        // load via require if available and vtt.js script location was not passed in\n        // as an option. novtt builds will turn the above require call into an empty object\n        // which will cause this if check to always fail.\n        if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {\n          this.trigger('vttjsloaded');\n          return;\n        } // load vtt.js via the script location option or the cdn of no location was\n        // passed in\n\n\n        var script = document.createElement('script');\n        script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js';\n\n        script.onload = function () {\n          /**\n           * Fired when vtt.js is loaded.\n           *\n           * @event Tech#vttjsloaded\n           * @type {EventTarget~Event}\n           */\n          _this5.trigger('vttjsloaded');\n        };\n\n        script.onerror = function () {\n          /**\n           * Fired when vtt.js was not loaded due to an error\n           *\n           * @event Tech#vttjsloaded\n           * @type {EventTarget~Event}\n           */\n          _this5.trigger('vttjserror');\n        };\n\n        this.on('dispose', function () {\n          script.onload = null;\n          script.onerror = null;\n        }); // but have not loaded yet and we set it to true before the inject so that\n        // we don't overwrite the injected window.WebVTT if it loads right away\n\n        window$3.WebVTT = true;\n        this.el().parentNode.appendChild(script);\n      } else {\n        this.ready(this.addWebVttScript_);\n      }\n    }\n    /**\n     * Emulate texttracks\n     *\n     */\n    ;\n\n    _proto.emulateTextTracks = function emulateTextTracks() {\n      var _this6 = this;\n\n      var tracks = this.textTracks();\n      var remoteTracks = this.remoteTextTracks();\n\n      var handleAddTrack = function handleAddTrack(e) {\n        return tracks.addTrack(e.track);\n      };\n\n      var handleRemoveTrack = function handleRemoveTrack(e) {\n        return tracks.removeTrack(e.track);\n      };\n\n      remoteTracks.on('addtrack', handleAddTrack);\n      remoteTracks.on('removetrack', handleRemoveTrack);\n      this.addWebVttScript_();\n\n      var updateDisplay = function updateDisplay() {\n        return _this6.trigger('texttrackchange');\n      };\n\n      var textTracksChanges = function textTracksChanges() {\n        updateDisplay();\n\n        for (var i = 0; i < tracks.length; i++) {\n          var track = tracks[i];\n          track.removeEventListener('cuechange', updateDisplay);\n\n          if (track.mode === 'showing') {\n            track.addEventListener('cuechange', updateDisplay);\n          }\n        }\n      };\n\n      textTracksChanges();\n      tracks.addEventListener('change', textTracksChanges);\n      tracks.addEventListener('addtrack', textTracksChanges);\n      tracks.addEventListener('removetrack', textTracksChanges);\n      this.on('dispose', function () {\n        remoteTracks.off('addtrack', handleAddTrack);\n        remoteTracks.off('removetrack', handleRemoveTrack);\n        tracks.removeEventListener('change', textTracksChanges);\n        tracks.removeEventListener('addtrack', textTracksChanges);\n        tracks.removeEventListener('removetrack', textTracksChanges);\n\n        for (var i = 0; i < tracks.length; i++) {\n          var track = tracks[i];\n          track.removeEventListener('cuechange', updateDisplay);\n        }\n      });\n    }\n    /**\n     * Create and returns a remote {@link TextTrack} object.\n     *\n     * @param {string} kind\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n     *\n     * @param {string} [label]\n     *        Label to identify the text track\n     *\n     * @param {string} [language]\n     *        Two letter language abbreviation\n     *\n     * @return {TextTrack}\n     *         The TextTrack that gets created.\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (!kind) {\n        throw new Error('TextTrack kind is required but was not provided');\n      }\n\n      return createTrackHelper(this, kind, label, language);\n    }\n    /**\n     * Create an emulated TextTrack for use by addRemoteTextTrack\n     *\n     * This is intended to be overridden by classes that inherit from\n     * Tech in order to create native or custom TextTracks.\n     *\n     * @param {Object} options\n     *        The object should contain the options to initialize the TextTrack with.\n     *\n     * @param {string} [options.kind]\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).\n     *\n     * @param {string} [options.label].\n     *        Label to identify the text track\n     *\n     * @param {string} [options.language]\n     *        Two letter language abbreviation.\n     *\n     * @return {HTMLTrackElement}\n     *         The track element that gets created.\n     */\n    ;\n\n    _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {\n      var track = mergeOptions(options, {\n        tech: this\n      });\n      return new REMOTE.remoteTextEl.TrackClass(track);\n    }\n    /**\n     * Creates a remote text track object and returns an html track element.\n     *\n     * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.\n     *\n     * @param {Object} options\n     *        See {@link Tech#createRemoteTextTrack} for more detailed properties.\n     *\n     * @param {boolean} [manualCleanup=true]\n     *        - When false: the TextTrack will be automatically removed from the video\n     *          element whenever the source changes\n     *        - When True: The TextTrack will have to be cleaned up manually\n     *\n     * @return {HTMLTrackElement}\n     *         An Html Track Element.\n     *\n     * @deprecated The default functionality for this function will be equivalent\n     *             to \"manualCleanup=false\" in the future. The manualCleanup parameter will\n     *             also be removed.\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      var _this7 = this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      var htmlTrackElement = this.createRemoteTextTrack(options);\n\n      if (manualCleanup !== true && manualCleanup !== false) {\n        // deprecation warning\n        log.warn('Calling addRemoteTextTrack without explicitly setting the \"manualCleanup\" parameter to `true` is deprecated and default to `false` in future version of video.js');\n        manualCleanup = true;\n      } // store HTMLTrackElement and TextTrack to remote list\n\n\n      this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);\n      this.remoteTextTracks().addTrack(htmlTrackElement.track);\n\n      if (manualCleanup !== true) {\n        // create the TextTrackList if it doesn't exist\n        this.ready(function () {\n          return _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);\n        });\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Remove a remote text track from the remote `TextTrackList`.\n     *\n     * @param {TextTrack} track\n     *        `TextTrack` to remove from the `TextTrackList`\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {\n      var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track); // remove HTMLTrackElement and TextTrack from remote list\n\n      this.remoteTextTrackEls().removeTrackElement_(trackElement);\n      this.remoteTextTracks().removeTrack(track);\n      this.autoRemoteTextTracks_.removeTrack(track);\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object}\n     *         An object with supported media playback quality metrics\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      return {};\n    }\n    /**\n     * Attempt to create a floating video window always on top of other windows\n     * so that users may continue consuming media while they interact with other\n     * content sites, or applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @return {Promise|undefined}\n     *         A promise with a Picture-in-Picture window if the browser supports\n     *         Promises (or one was passed in as an option). It returns undefined\n     *         otherwise.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (PromiseClass) {\n        return PromiseClass.reject();\n      }\n    }\n    /**\n     * A method to set a poster from a `Tech`.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.setPoster = function setPoster() {}\n    /**\n     * A method to check for the presence of the 'playsinline' <video> attribute.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.playsinline = function playsinline() {}\n    /**\n     * A method to set or unset the 'playsinline' <video> attribute.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.setPlaysinline = function setPlaysinline() {}\n    /**\n     * Attempt to force override of native audio tracks.\n     *\n     * @param {boolean} override - If set to true native audio will be overridden,\n     * otherwise native audio will potentially be used.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks() {}\n    /**\n     * Attempt to force override of native video tracks.\n     *\n     * @param {boolean} override - If set to true native video will be overridden,\n     * otherwise native video will potentially be used.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks() {}\n    /*\n     * Check if the tech can support the given mime-type.\n     *\n     * The base tech does not support any type, but source handlers might\n     * overwrite this.\n     *\n     * @param  {string} type\n     *         The mimetype to check for support\n     *\n     * @return {string}\n     *         'probably', 'maybe', or empty string\n     *\n     * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.canPlayType = function canPlayType() {\n      return '';\n    }\n    /**\n     * Check if the type is supported by this tech.\n     *\n     * The base tech does not support any type, but source handlers might\n     * overwrite this.\n     *\n     * @param {string} type\n     *        The media type to check\n     * @return {string} Returns the native video element's response\n     */\n    ;\n\n    Tech.canPlayType = function canPlayType() {\n      return '';\n    }\n    /**\n     * Check if the tech can support the given source\n     *\n     * @param {Object} srcObj\n     *        The source object\n     * @param {Object} options\n     *        The options passed to the tech\n     * @return {string} 'probably', 'maybe', or '' (empty string)\n     */\n    ;\n\n    Tech.canPlaySource = function canPlaySource(srcObj, options) {\n      return Tech.canPlayType(srcObj.type);\n    }\n    /*\n     * Return whether the argument is a Tech or not.\n     * Can be passed either a Class like `Html5` or a instance like `player.tech_`\n     *\n     * @param {Object} component\n     *        The item to check\n     *\n     * @return {boolean}\n     *         Whether it is a tech or not\n     *         - True if it is a tech\n     *         - False if it is not\n     */\n    ;\n\n    Tech.isTech = function isTech(component) {\n      return component.prototype instanceof Tech || component instanceof Tech || component === Tech;\n    }\n    /**\n     * Registers a `Tech` into a shared list for videojs.\n     *\n     * @param {string} name\n     *        Name of the `Tech` to register.\n     *\n     * @param {Object} tech\n     *        The `Tech` class to register.\n     */\n    ;\n\n    Tech.registerTech = function registerTech(name, tech) {\n      if (!Tech.techs_) {\n        Tech.techs_ = {};\n      }\n\n      if (!Tech.isTech(tech)) {\n        throw new Error(\"Tech \" + name + \" must be a Tech\");\n      }\n\n      if (!Tech.canPlayType) {\n        throw new Error('Techs must have a static canPlayType method on them');\n      }\n\n      if (!Tech.canPlaySource) {\n        throw new Error('Techs must have a static canPlaySource method on them');\n      }\n\n      name = toTitleCase(name);\n      Tech.techs_[name] = tech;\n      Tech.techs_[toLowerCase(name)] = tech;\n\n      if (name !== 'Tech') {\n        // camel case the techName for use in techOrder\n        Tech.defaultTechOrder_.push(name);\n      }\n\n      return tech;\n    }\n    /**\n     * Get a `Tech` from the shared list by name.\n     *\n     * @param {string} name\n     *        `camelCase` or `TitleCase` name of the Tech to get\n     *\n     * @return {Tech|undefined}\n     *         The `Tech` or undefined if there was no tech with the name requested.\n     */\n    ;\n\n    Tech.getTech = function getTech(name) {\n      if (!name) {\n        return;\n      }\n\n      if (Tech.techs_ && Tech.techs_[name]) {\n        return Tech.techs_[name];\n      }\n\n      name = toTitleCase(name);\n\n      if (window$3 && window$3.videojs && window$3.videojs[name]) {\n        log.warn(\"The \" + name + \" tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)\");\n        return window$3.videojs[name];\n      }\n    };\n\n    return Tech;\n  }(Component);\n  /**\n   * Get the {@link VideoTrackList}\n   *\n   * @returns {VideoTrackList}\n   * @method Tech.prototype.videoTracks\n   */\n\n  /**\n   * Get the {@link AudioTrackList}\n   *\n   * @returns {AudioTrackList}\n   * @method Tech.prototype.audioTracks\n   */\n\n  /**\n   * Get the {@link TextTrackList}\n   *\n   * @returns {TextTrackList}\n   * @method Tech.prototype.textTracks\n   */\n\n  /**\n   * Get the remote element {@link TextTrackList}\n   *\n   * @returns {TextTrackList}\n   * @method Tech.prototype.remoteTextTracks\n   */\n\n  /**\n   * Get the remote element {@link HtmlTrackElementList}\n   *\n   * @returns {HtmlTrackElementList}\n   * @method Tech.prototype.remoteTextTrackEls\n   */\n\n\n  ALL.names.forEach(function (name) {\n    var props = ALL[name];\n\n    Tech.prototype[props.getterName] = function () {\n      this[props.privateName] = this[props.privateName] || new props.ListClass();\n      return this[props.privateName];\n    };\n  });\n  /**\n   * List of associated text tracks\n   *\n   * @type {TextTrackList}\n   * @private\n   * @property Tech#textTracks_\n   */\n\n  /**\n   * List of associated audio tracks.\n   *\n   * @type {AudioTrackList}\n   * @private\n   * @property Tech#audioTracks_\n   */\n\n  /**\n   * List of associated video tracks.\n   *\n   * @type {VideoTrackList}\n   * @private\n   * @property Tech#videoTracks_\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports volume control.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresVolumeControl = true;\n  /**\n   * Boolean indicating whether the `Tech` supports muting volume.\n   *\n   * @type {bolean}\n   * @default\n   */\n\n  Tech.prototype.featuresMuteControl = true;\n  /**\n   * Boolean indicating whether the `Tech` supports fullscreen resize control.\n   * Resizing plugins using request fullscreen reloads the plugin\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresFullscreenResize = false;\n  /**\n   * Boolean indicating whether the `Tech` supports changing the speed at which the video\n   * plays. Examples:\n   *   - Set player to play 2x (twice) as fast\n   *   - Set player to play 0.5x (half) as fast\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresPlaybackRate = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `progress` event. This is currently\n   * not triggered by video-js-swf. This will be used to determine if\n   * {@link Tech#manualProgressOn} should be called.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresProgressEvents = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `sourceset` event.\n   *\n   * A tech should set this to `true` and then use {@link Tech#triggerSourceset}\n   * to trigger a {@link Tech#event:sourceset} at the earliest time after getting\n   * a new source.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresSourceset = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the `timeupdate` event. This is currently\n   * not triggered by video-js-swf. This will be used to determine if\n   * {@link Tech#manualTimeUpdates} should be called.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresTimeupdateEvents = false;\n  /**\n   * Boolean indicating whether the `Tech` supports the native `TextTrack`s.\n   * This will help us integrate with native `TextTrack`s if the browser supports them.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Tech.prototype.featuresNativeTextTracks = false;\n  /**\n   * A functional mixin for techs that want to use the Source Handler pattern.\n   * Source handlers are scripts for handling specific formats.\n   * The source handler pattern is used for adaptive formats (HLS, DASH) that\n   * manually load video data and feed it into a Source Buffer (Media Source Extensions)\n   * Example: `Tech.withSourceHandlers.call(MyTech);`\n   *\n   * @param {Tech} _Tech\n   *        The tech to add source handler functions to.\n   *\n   * @mixes Tech~SourceHandlerAdditions\n   */\n\n  Tech.withSourceHandlers = function (_Tech) {\n    /**\n     * Register a source handler\n     *\n     * @param {Function} handler\n     *        The source handler class\n     *\n     * @param {number} [index]\n     *        Register it at the following index\n     */\n    _Tech.registerSourceHandler = function (handler, index) {\n      var handlers = _Tech.sourceHandlers;\n\n      if (!handlers) {\n        handlers = _Tech.sourceHandlers = [];\n      }\n\n      if (index === undefined) {\n        // add to the end of the list\n        index = handlers.length;\n      }\n\n      handlers.splice(index, 0, handler);\n    };\n    /**\n     * Check if the tech can support the given type. Also checks the\n     * Techs sourceHandlers.\n     *\n     * @param {string} type\n     *         The mimetype to check.\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n\n\n    _Tech.canPlayType = function (type) {\n      var handlers = _Tech.sourceHandlers || [];\n      var can;\n\n      for (var i = 0; i < handlers.length; i++) {\n        can = handlers[i].canPlayType(type);\n\n        if (can) {\n          return can;\n        }\n      }\n\n      return '';\n    };\n    /**\n     * Returns the first source handler that supports the source.\n     *\n     * TODO: Answer question: should 'probably' be prioritized over 'maybe'\n     *\n     * @param {Tech~SourceObject} source\n     *        The source object\n     *\n     * @param {Object} options\n     *        The options passed to the tech\n     *\n     * @return {SourceHandler|null}\n     *          The first source handler that supports the source or null if\n     *          no SourceHandler supports the source\n     */\n\n\n    _Tech.selectSourceHandler = function (source, options) {\n      var handlers = _Tech.sourceHandlers || [];\n      var can;\n\n      for (var i = 0; i < handlers.length; i++) {\n        can = handlers[i].canHandleSource(source, options);\n\n        if (can) {\n          return handlers[i];\n        }\n      }\n\n      return null;\n    };\n    /**\n     * Check if the tech can support the given source.\n     *\n     * @param {Tech~SourceObject} srcObj\n     *        The source object\n     *\n     * @param {Object} options\n     *        The options passed to the tech\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n\n\n    _Tech.canPlaySource = function (srcObj, options) {\n      var sh = _Tech.selectSourceHandler(srcObj, options);\n\n      if (sh) {\n        return sh.canHandleSource(srcObj, options);\n      }\n\n      return '';\n    };\n    /**\n     * When using a source handler, prefer its implementation of\n     * any function normally provided by the tech.\n     */\n\n\n    var deferrable = ['seekable', 'seeking', 'duration'];\n    /**\n     * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable\n     * function if it exists, with a fallback to the Techs seekable function.\n     *\n     * @method _Tech.seekable\n     */\n\n    /**\n     * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration\n     * function if it exists, otherwise it will fallback to the techs duration function.\n     *\n     * @method _Tech.duration\n     */\n\n    deferrable.forEach(function (fnName) {\n      var originalFn = this[fnName];\n\n      if (typeof originalFn !== 'function') {\n        return;\n      }\n\n      this[fnName] = function () {\n        if (this.sourceHandler_ && this.sourceHandler_[fnName]) {\n          return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);\n        }\n\n        return originalFn.apply(this, arguments);\n      };\n    }, _Tech.prototype);\n    /**\n     * Create a function for setting the source using a source object\n     * and source handlers.\n     * Should never be called unless a source handler was found.\n     *\n     * @param {Tech~SourceObject} source\n     *        A source object with src and type keys\n     */\n\n    _Tech.prototype.setSource = function (source) {\n      var sh = _Tech.selectSourceHandler(source, this.options_);\n\n      if (!sh) {\n        // Fall back to a native source hander when unsupported sources are\n        // deliberately set\n        if (_Tech.nativeSourceHandler) {\n          sh = _Tech.nativeSourceHandler;\n        } else {\n          log.error('No source handler found for the current source.');\n        }\n      } // Dispose any existing source handler\n\n\n      this.disposeSourceHandler();\n      this.off('dispose', this.disposeSourceHandler);\n\n      if (sh !== _Tech.nativeSourceHandler) {\n        this.currentSource_ = source;\n      }\n\n      this.sourceHandler_ = sh.handleSource(source, this, this.options_);\n      this.one('dispose', this.disposeSourceHandler);\n    };\n    /**\n     * Clean up any existing SourceHandlers and listeners when the Tech is disposed.\n     *\n     * @listens Tech#dispose\n     */\n\n\n    _Tech.prototype.disposeSourceHandler = function () {\n      // if we have a source and get another one\n      // then we are loading something new\n      // than clear all of our current tracks\n      if (this.currentSource_) {\n        this.clearTracks(['audio', 'video']);\n        this.currentSource_ = null;\n      } // always clean up auto-text tracks\n\n\n      this.cleanupAutoTextTracks();\n\n      if (this.sourceHandler_) {\n        if (this.sourceHandler_.dispose) {\n          this.sourceHandler_.dispose();\n        }\n\n        this.sourceHandler_ = null;\n      }\n    };\n  }; // The base Tech class needs to be registered as a Component. It is the only\n  // Tech that can be registered as a Component.\n\n\n  Component.registerComponent('Tech', Tech);\n  Tech.registerTech('Tech', Tech);\n  /**\n   * A list of techs that should be added to techOrder on Players\n   *\n   * @private\n   */\n\n  Tech.defaultTechOrder_ = [];\n\n  /**\n   * @file middleware.js\n   * @module middleware\n   */\n  var middlewares = {};\n  var middlewareInstances = {};\n  var TERMINATOR = {};\n  /**\n   * A middleware object is a plain JavaScript object that has methods that\n   * match the {@link Tech} methods found in the lists of allowed\n   * {@link module:middleware.allowedGetters|getters},\n   * {@link module:middleware.allowedSetters|setters}, and\n   * {@link module:middleware.allowedMediators|mediators}.\n   *\n   * @typedef {Object} MiddlewareObject\n   */\n\n  /**\n   * A middleware factory function that should return a\n   * {@link module:middleware~MiddlewareObject|MiddlewareObject}.\n   *\n   * This factory will be called for each player when needed, with the player\n   * passed in as an argument.\n   *\n   * @callback MiddlewareFactory\n   * @param {Player} player\n   *        A Video.js player.\n   */\n\n  /**\n   * Define a middleware that the player should use by way of a factory function\n   * that returns a middleware object.\n   *\n   * @param  {string} type\n   *         The MIME type to match or `\"*\"` for all MIME types.\n   *\n   * @param  {MiddlewareFactory} middleware\n   *         A middleware factory function that will be executed for\n   *         matching types.\n   */\n\n  function use(type, middleware) {\n    middlewares[type] = middlewares[type] || [];\n    middlewares[type].push(middleware);\n  }\n  /**\n   * Asynchronously sets a source using middleware by recursing through any\n   * matching middlewares and calling `setSource` on each, passing along the\n   * previous returned value each time.\n   *\n   * @param  {Player} player\n   *         A {@link Player} instance.\n   *\n   * @param  {Tech~SourceObject} src\n   *         A source object.\n   *\n   * @param  {Function}\n   *         The next middleware to run.\n   */\n\n  function setSource(player, src, next) {\n    player.setTimeout(function () {\n      return setSourceHelper(src, middlewares[src.type], next, player);\n    }, 1);\n  }\n  /**\n   * When the tech is set, passes the tech to each middleware's `setTech` method.\n   *\n   * @param {Object[]} middleware\n   *        An array of middleware instances.\n   *\n   * @param {Tech} tech\n   *        A Video.js tech.\n   */\n\n  function setTech(middleware, tech) {\n    middleware.forEach(function (mw) {\n      return mw.setTech && mw.setTech(tech);\n    });\n  }\n  /**\n   * Calls a getter on the tech first, through each middleware\n   * from right to left to the player.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @return {Mixed}\n   *         The final value from the tech after middleware has intercepted it.\n   */\n\n  function get(middleware, tech, method) {\n    return middleware.reduceRight(middlewareIterator(method), tech[method]());\n  }\n  /**\n   * Takes the argument given to the player and calls the setter method on each\n   * middleware from left to right to the tech.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @param  {Mixed} arg\n   *         The value to set on the tech.\n   *\n   * @return {Mixed}\n   *         The return value of the `method` of the `tech`.\n   */\n\n  function set(middleware, tech, method, arg) {\n    return tech[method](middleware.reduce(middlewareIterator(method), arg));\n  }\n  /**\n   * Takes the argument given to the player and calls the `call` version of the\n   * method on each middleware from left to right.\n   *\n   * Then, call the passed in method on the tech and return the result unchanged\n   * back to the player, through middleware, this time from right to left.\n   *\n   * @param  {Object[]} middleware\n   *         An array of middleware instances.\n   *\n   * @param  {Tech} tech\n   *         The current tech.\n   *\n   * @param  {string} method\n   *         A method name.\n   *\n   * @param  {Mixed} arg\n   *         The value to set on the tech.\n   *\n   * @return {Mixed}\n   *         The return value of the `method` of the `tech`, regardless of the\n   *         return values of middlewares.\n   */\n\n  function mediate(middleware, tech, method, arg) {\n    if (arg === void 0) {\n      arg = null;\n    }\n\n    var callMethod = 'call' + toTitleCase(method);\n    var middlewareValue = middleware.reduce(middlewareIterator(callMethod), arg);\n    var terminated = middlewareValue === TERMINATOR; // deprecated. The `null` return value should instead return TERMINATOR to\n    // prevent confusion if a techs method actually returns null.\n\n    var returnValue = terminated ? null : tech[method](middlewareValue);\n    executeRight(middleware, method, returnValue, terminated);\n    return returnValue;\n  }\n  /**\n   * Enumeration of allowed getters where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedGetters = {\n    buffered: 1,\n    currentTime: 1,\n    duration: 1,\n    muted: 1,\n    played: 1,\n    paused: 1,\n    seekable: 1,\n    volume: 1\n  };\n  /**\n   * Enumeration of allowed setters where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedSetters = {\n    setCurrentTime: 1,\n    setMuted: 1,\n    setVolume: 1\n  };\n  /**\n   * Enumeration of allowed mediators where the keys are method names.\n   *\n   * @type {Object}\n   */\n\n  var allowedMediators = {\n    play: 1,\n    pause: 1\n  };\n\n  function middlewareIterator(method) {\n    return function (value, mw) {\n      // if the previous middleware terminated, pass along the termination\n      if (value === TERMINATOR) {\n        return TERMINATOR;\n      }\n\n      if (mw[method]) {\n        return mw[method](value);\n      }\n\n      return value;\n    };\n  }\n\n  function executeRight(mws, method, value, terminated) {\n    for (var i = mws.length - 1; i >= 0; i--) {\n      var mw = mws[i];\n\n      if (mw[method]) {\n        mw[method](terminated, value);\n      }\n    }\n  }\n  /**\n   * Clear the middleware cache for a player.\n   *\n   * @param  {Player} player\n   *         A {@link Player} instance.\n   */\n\n\n  function clearCacheForPlayer(player) {\n    middlewareInstances[player.id()] = null;\n  }\n  /**\n   * {\n   *  [playerId]: [[mwFactory, mwInstance], ...]\n   * }\n   *\n   * @private\n   */\n\n  function getOrCreateFactory(player, mwFactory) {\n    var mws = middlewareInstances[player.id()];\n    var mw = null;\n\n    if (mws === undefined || mws === null) {\n      mw = mwFactory(player);\n      middlewareInstances[player.id()] = [[mwFactory, mw]];\n      return mw;\n    }\n\n    for (var i = 0; i < mws.length; i++) {\n      var _mws$i = mws[i],\n          mwf = _mws$i[0],\n          mwi = _mws$i[1];\n\n      if (mwf !== mwFactory) {\n        continue;\n      }\n\n      mw = mwi;\n    }\n\n    if (mw === null) {\n      mw = mwFactory(player);\n      mws.push([mwFactory, mw]);\n    }\n\n    return mw;\n  }\n\n  function setSourceHelper(src, middleware, next, player, acc, lastRun) {\n    if (src === void 0) {\n      src = {};\n    }\n\n    if (middleware === void 0) {\n      middleware = [];\n    }\n\n    if (acc === void 0) {\n      acc = [];\n    }\n\n    if (lastRun === void 0) {\n      lastRun = false;\n    }\n\n    var _middleware = middleware,\n        mwFactory = _middleware[0],\n        mwrest = _middleware.slice(1); // if mwFactory is a string, then we're at a fork in the road\n\n\n    if (typeof mwFactory === 'string') {\n      setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun); // if we have an mwFactory, call it with the player to get the mw,\n      // then call the mw's setSource method\n    } else if (mwFactory) {\n      var mw = getOrCreateFactory(player, mwFactory); // if setSource isn't present, implicitly select this middleware\n\n      if (!mw.setSource) {\n        acc.push(mw);\n        return setSourceHelper(src, mwrest, next, player, acc, lastRun);\n      }\n\n      mw.setSource(assign({}, src), function (err, _src) {\n        // something happened, try the next middleware on the current level\n        // make sure to use the old src\n        if (err) {\n          return setSourceHelper(src, mwrest, next, player, acc, lastRun);\n        } // we've succeeded, now we need to go deeper\n\n\n        acc.push(mw); // if it's the same type, continue down the current chain\n        // otherwise, we want to go down the new chain\n\n        setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);\n      });\n    } else if (mwrest.length) {\n      setSourceHelper(src, mwrest, next, player, acc, lastRun);\n    } else if (lastRun) {\n      next(src, acc);\n    } else {\n      setSourceHelper(src, middlewares['*'], next, player, acc, true);\n    }\n  }\n\n  /**\n   * Mimetypes\n   *\n   * @see http://hul.harvard.edu/ois/////systems/wax/wax-public-help/mimetypes.htm\n   * @typedef Mimetypes~Kind\n   * @enum\n   */\n\n  var MimetypesKind = {\n    opus: 'video/ogg',\n    ogv: 'video/ogg',\n    mp4: 'video/mp4',\n    mov: 'video/mp4',\n    m4v: 'video/mp4',\n    mkv: 'video/x-matroska',\n    m4a: 'audio/mp4',\n    mp3: 'audio/mpeg',\n    aac: 'audio/aac',\n    oga: 'audio/ogg',\n    m3u8: 'application/x-mpegURL',\n    jpg: 'image/jpeg',\n    jpeg: 'image/jpeg',\n    gif: 'image/gif',\n    png: 'image/png',\n    svg: 'image/svg+xml',\n    webp: 'image/webp'\n  };\n  /**\n   * Get the mimetype of a given src url if possible\n   *\n   * @param {string} src\n   *        The url to the src\n   *\n   * @return {string}\n   *         return the mimetype if it was known or empty string otherwise\n   */\n\n  var getMimetype = function getMimetype(src) {\n    if (src === void 0) {\n      src = '';\n    }\n\n    var ext = getFileExtension(src);\n    var mimetype = MimetypesKind[ext.toLowerCase()];\n    return mimetype || '';\n  };\n  /**\n   * Find the mime type of a given source string if possible. Uses the player\n   * source cache.\n   *\n   * @param {Player} player\n   *        The player object\n   *\n   * @param {string} src\n   *        The source string\n   *\n   * @return {string}\n   *         The type that was found\n   */\n\n  var findMimetype = function findMimetype(player, src) {\n    if (!src) {\n      return '';\n    } // 1. check for the type in the `source` cache\n\n\n    if (player.cache_.source.src === src && player.cache_.source.type) {\n      return player.cache_.source.type;\n    } // 2. see if we have this source in our `currentSources` cache\n\n\n    var matchingSources = player.cache_.sources.filter(function (s) {\n      return s.src === src;\n    });\n\n    if (matchingSources.length) {\n      return matchingSources[0].type;\n    } // 3. look for the src url in source elements and use the type there\n\n\n    var sources = player.$$('source');\n\n    for (var i = 0; i < sources.length; i++) {\n      var s = sources[i];\n\n      if (s.type && s.src && s.src === src) {\n        return s.type;\n      }\n    } // 4. finally fallback to our list of mime types based on src url extension\n\n\n    return getMimetype(src);\n  };\n\n  /**\n   * @module filter-source\n   */\n  /**\n   * Filter out single bad source objects or multiple source objects in an\n   * array. Also flattens nested source object arrays into a 1 dimensional\n   * array of source objects.\n   *\n   * @param {Tech~SourceObject|Tech~SourceObject[]} src\n   *        The src object to filter\n   *\n   * @return {Tech~SourceObject[]}\n   *         An array of sourceobjects containing only valid sources\n   *\n   * @private\n   */\n\n  var filterSource = function filterSource(src) {\n    // traverse array\n    if (Array.isArray(src)) {\n      var newsrc = [];\n      src.forEach(function (srcobj) {\n        srcobj = filterSource(srcobj);\n\n        if (Array.isArray(srcobj)) {\n          newsrc = newsrc.concat(srcobj);\n        } else if (isObject(srcobj)) {\n          newsrc.push(srcobj);\n        }\n      });\n      src = newsrc;\n    } else if (typeof src === 'string' && src.trim()) {\n      // convert string into object\n      src = [fixSource({\n        src: src\n      })];\n    } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {\n      // src is already valid\n      src = [fixSource(src)];\n    } else {\n      // invalid source, turn it into an empty array\n      src = [];\n    }\n\n    return src;\n  };\n  /**\n   * Checks src mimetype, adding it when possible\n   *\n   * @param {Tech~SourceObject} src\n   *        The src object to check\n   * @return {Tech~SourceObject}\n   *        src Object with known type\n   */\n\n\n  function fixSource(src) {\n    if (!src.type) {\n      var mimetype = getMimetype(src.src);\n\n      if (mimetype) {\n        src.type = mimetype;\n      }\n    }\n\n    return src;\n  }\n\n  /**\n   * The `MediaLoader` is the `Component` that decides which playback technology to load\n   * when a player is initialized.\n   *\n   * @extends Component\n   */\n\n  var MediaLoader = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MediaLoader, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should attach to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function that is run when this component is ready.\n     */\n    function MediaLoader(player, options, ready) {\n      var _this;\n\n      // MediaLoader has no element\n      var options_ = mergeOptions({\n        createEl: false\n      }, options);\n      _this = _Component.call(this, player, options_, ready) || this; // If there are no sources when the player is initialized,\n      // load the first supported playback technology.\n\n      if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {\n        for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {\n          var techName = toTitleCase(j[i]);\n          var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.\n          // Remove once that deprecated behavior is removed.\n\n          if (!techName) {\n            tech = Component.getComponent(techName);\n          } // Check if the browser supports this technology\n\n\n          if (tech && tech.isSupported()) {\n            player.loadTech_(techName);\n            break;\n          }\n        }\n      } else {\n        // Loop through playback technologies (HTML5, Flash) and check for support.\n        // Then load the best source.\n        // A few assumptions here:\n        //   All playback technologies respect preload false.\n        player.src(options.playerOptions.sources);\n      }\n\n      return _this;\n    }\n\n    return MediaLoader;\n  }(Component);\n\n  Component.registerComponent('MediaLoader', MediaLoader);\n\n  /**\n   * Component which is clickable or keyboard actionable, but is not a\n   * native HTML button.\n   *\n   * @extends Component\n   */\n\n  var ClickableComponent = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ClickableComponent, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param  {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param  {Object} [options]\n     *         The key/value store of player options.\n     *\n     * @param  {function} [options.clickHandler]\n     *         The function to call when the button is clicked / activated\n     */\n    function ClickableComponent(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.emitTapEvents();\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Create the `ClickableComponent`s DOM element.\n     *\n     * @param {string} [tag=div]\n     *        The element's node type.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element.\n     *\n     * @param {Object} [attributes={}]\n     *        An object of attributes that should be set on the element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n\n\n    var _proto = ClickableComponent.prototype;\n\n    _proto.createEl = function createEl(tag, props, attributes) {\n      if (tag === void 0) {\n        tag = 'div';\n      }\n\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      props = assign({\n        innerHTML: '<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>',\n        className: this.buildCSSClass(),\n        tabIndex: 0\n      }, props);\n\n      if (tag === 'button') {\n        log.error(\"Creating a ClickableComponent with an HTML element of \" + tag + \" is not supported; use a Button instead.\");\n      } // Add ARIA attributes for clickable element which is not a native HTML button\n\n\n      attributes = assign({\n        role: 'button'\n      }, attributes);\n      this.tabIndex_ = props.tabIndex;\n\n      var el = _Component.prototype.createEl.call(this, tag, props, attributes);\n\n      this.createControlTextEl(el);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      // remove controlTextEl_ on dispose\n      this.controlTextEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Create a control text element on this `ClickableComponent`\n     *\n     * @param {Element} [el]\n     *        Parent element for the control text.\n     *\n     * @return {Element}\n     *         The control text element that gets created.\n     */\n    ;\n\n    _proto.createControlTextEl = function createControlTextEl(el) {\n      this.controlTextEl_ = createEl('span', {\n        className: 'vjs-control-text'\n      }, {\n        // let the screen reader user know that the text of the element may change\n        'aria-live': 'polite'\n      });\n\n      if (el) {\n        el.appendChild(this.controlTextEl_);\n      }\n\n      this.controlText(this.controlText_, el);\n      return this.controlTextEl_;\n    }\n    /**\n     * Get or set the localize text to use for the controls on the `ClickableComponent`.\n     *\n     * @param {string} [text]\n     *        Control text for element.\n     *\n     * @param {Element} [el=this.el()]\n     *        Element to set the title on.\n     *\n     * @return {string}\n     *         - The control text when getting\n     */\n    ;\n\n    _proto.controlText = function controlText(text, el) {\n      if (el === void 0) {\n        el = this.el();\n      }\n\n      if (text === undefined) {\n        return this.controlText_ || 'Need Text';\n      }\n\n      var localizedText = this.localize(text);\n      this.controlText_ = text;\n      textContent(this.controlTextEl_, localizedText);\n\n      if (!this.nonIconControl) {\n        // Set title attribute if only an icon is shown\n        el.setAttribute('title', localizedText);\n      }\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-control vjs-button \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Enable this `ClickableComponent`\n     */\n    ;\n\n    _proto.enable = function enable() {\n      if (!this.enabled_) {\n        this.enabled_ = true;\n        this.removeClass('vjs-disabled');\n        this.el_.setAttribute('aria-disabled', 'false');\n\n        if (typeof this.tabIndex_ !== 'undefined') {\n          this.el_.setAttribute('tabIndex', this.tabIndex_);\n        }\n\n        this.on(['tap', 'click'], this.handleClick);\n        this.on('keydown', this.handleKeyDown);\n      }\n    }\n    /**\n     * Disable this `ClickableComponent`\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.enabled_ = false;\n      this.addClass('vjs-disabled');\n      this.el_.setAttribute('aria-disabled', 'true');\n\n      if (typeof this.tabIndex_ !== 'undefined') {\n        this.el_.removeAttribute('tabIndex');\n      }\n\n      this.off('mouseover', this.handleMouseOver);\n      this.off('mouseout', this.handleMouseOut);\n      this.off(['tap', 'click'], this.handleClick);\n      this.off('keydown', this.handleKeyDown);\n    }\n    /**\n     * Event handler that is called when a `ClickableComponent` receives a\n     * `click` or `tap` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `tap` or `click` event that caused this function to be called.\n     *\n     * @listens tap\n     * @listens click\n     * @abstract\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.options_.clickHandler) {\n        this.options_.clickHandler.call(this, arguments);\n      }\n    }\n    /**\n     * Event handler that is called when a `ClickableComponent` receives a\n     * `keydown` event.\n     *\n     * By default, if the key is Space or Enter, it will trigger a `click` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Support Space or Enter key operation to fire a click event. Also,\n      // prevent the event from propagating through the DOM and triggering\n      // Player hotkeys.\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.trigger('click');\n      } else {\n        // Pass keypress handling up for unsupported keys\n        _Component.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return ClickableComponent;\n  }(Component);\n\n  Component.registerComponent('ClickableComponent', ClickableComponent);\n\n  /**\n   * A `ClickableComponent` that handles showing the poster image for the player.\n   *\n   * @extends ClickableComponent\n   */\n\n  var PosterImage = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(PosterImage, _ClickableComponent);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should attach to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PosterImage(player, options) {\n      var _this;\n\n      _this = _ClickableComponent.call(this, player, options) || this;\n\n      _this.update();\n\n      player.on('posterchange', bind(assertThisInitialized(_this), _this.update));\n      return _this;\n    }\n    /**\n     * Clean up and dispose of the `PosterImage`.\n     */\n\n\n    var _proto = PosterImage.prototype;\n\n    _proto.dispose = function dispose() {\n      this.player().off('posterchange', this.update);\n\n      _ClickableComponent.prototype.dispose.call(this);\n    }\n    /**\n     * Create the `PosterImage`s DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var el = createEl('div', {\n        className: 'vjs-poster',\n        // Don't want poster to be tabbable.\n        tabIndex: -1\n      });\n      return el;\n    }\n    /**\n     * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.\n     *\n     * @listens Player#posterchange\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `Player#posterchange` event that triggered this function.\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var url = this.player().poster();\n      this.setSrc(url); // If there's no poster source we should display:none on this component\n      // so it's not still clickable or right-clickable\n\n      if (url) {\n        this.show();\n      } else {\n        this.hide();\n      }\n    }\n    /**\n     * Set the source of the `PosterImage` depending on the display method.\n     *\n     * @param {string} url\n     *        The URL to the source for the `PosterImage`.\n     */\n    ;\n\n    _proto.setSrc = function setSrc(url) {\n      var backgroundImage = ''; // Any falsy value should stay as an empty string, otherwise\n      // this will throw an extra error\n\n      if (url) {\n        backgroundImage = \"url(\\\"\" + url + \"\\\")\";\n      }\n\n      this.el_.style.backgroundImage = backgroundImage;\n    }\n    /**\n     * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See\n     * {@link ClickableComponent#handleClick} for instances where this will be triggered.\n     *\n     * @listens tap\n     * @listens click\n     * @listens keydown\n     *\n     * @param {EventTarget~Event} event\n     +        The `click`, `tap` or `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      // We don't want a click to trigger playback when controls are disabled\n      if (!this.player_.controls()) {\n        return;\n      }\n\n      var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;\n\n      if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where\n      // calling .focus() on the video element causes the video to go black,\n      // so we avoid it in that specific case\n      !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {\n        this.player_.tech(true).focus();\n      }\n\n      if (this.player_.paused()) {\n        silencePromise(this.player_.play());\n      } else {\n        this.player_.pause();\n      }\n    };\n\n    return PosterImage;\n  }(ClickableComponent);\n\n  Component.registerComponent('PosterImage', PosterImage);\n\n  var darkGray = '#222';\n  var lightGray = '#ccc';\n  var fontMap = {\n    monospace: 'monospace',\n    sansSerif: 'sans-serif',\n    serif: 'serif',\n    monospaceSansSerif: '\"Andale Mono\", \"Lucida Console\", monospace',\n    monospaceSerif: '\"Courier New\", monospace',\n    proportionalSansSerif: 'sans-serif',\n    proportionalSerif: 'serif',\n    casual: '\"Comic Sans MS\", Impact, fantasy',\n    script: '\"Monotype Corsiva\", cursive',\n    smallcaps: '\"Andale Mono\", \"Lucida Console\", monospace, sans-serif'\n  };\n  /**\n   * Construct an rgba color from a given hex color code.\n   *\n   * @param {number} color\n   *        Hex number for color, like #f0e or #f604e2.\n   *\n   * @param {number} opacity\n   *        Value for opacity, 0.0 - 1.0.\n   *\n   * @return {string}\n   *         The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.\n   */\n\n  function constructColor(color, opacity) {\n    var hex;\n\n    if (color.length === 4) {\n      // color looks like \"#f0e\"\n      hex = color[1] + color[1] + color[2] + color[2] + color[3] + color[3];\n    } else if (color.length === 7) {\n      // color looks like \"#f604e2\"\n      hex = color.slice(1);\n    } else {\n      throw new Error('Invalid color code provided, ' + color + '; must be formatted as e.g. #f0e or #f604e2.');\n    }\n\n    return 'rgba(' + parseInt(hex.slice(0, 2), 16) + ',' + parseInt(hex.slice(2, 4), 16) + ',' + parseInt(hex.slice(4, 6), 16) + ',' + opacity + ')';\n  }\n  /**\n   * Try to update the style of a DOM element. Some style changes will throw an error,\n   * particularly in IE8. Those should be noops.\n   *\n   * @param {Element} el\n   *        The DOM element to be styled.\n   *\n   * @param {string} style\n   *        The CSS property on the element that should be styled.\n   *\n   * @param {string} rule\n   *        The style rule that should be applied to the property.\n   *\n   * @private\n   */\n\n  function tryUpdateStyle(el, style, rule) {\n    try {\n      el.style[style] = rule;\n    } catch (e) {\n      // Satisfies linter.\n      return;\n    }\n  }\n  /**\n   * The component for displaying text track cues.\n   *\n   * @extends Component\n   */\n\n\n  var TextTrackDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TextTrackDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when `TextTrackDisplay` is ready.\n     */\n    function TextTrackDisplay(player, options, ready) {\n      var _this;\n\n      _this = _Component.call(this, player, options, ready) || this;\n      var updateDisplayHandler = bind(assertThisInitialized(_this), _this.updateDisplay);\n      player.on('loadstart', bind(assertThisInitialized(_this), _this.toggleDisplay));\n      player.on('texttrackchange', updateDisplayHandler);\n      player.on('loadedmetadata', bind(assertThisInitialized(_this), _this.preselectTrack)); // This used to be called during player init, but was causing an error\n      // if a track should show by default and the display hadn't loaded yet.\n      // Should probably be moved to an external track loader when we support\n      // tracks that don't need a display.\n\n      player.ready(bind(assertThisInitialized(_this), function () {\n        if (player.tech_ && player.tech_.featuresNativeTextTracks) {\n          this.hide();\n          return;\n        }\n\n        player.on('fullscreenchange', updateDisplayHandler);\n        player.on('playerresize', updateDisplayHandler);\n        window$3.addEventListener('orientationchange', updateDisplayHandler);\n        player.on('dispose', function () {\n          return window$3.removeEventListener('orientationchange', updateDisplayHandler);\n        });\n        var tracks = this.options_.playerOptions.tracks || [];\n\n        for (var i = 0; i < tracks.length; i++) {\n          this.player_.addRemoteTextTrack(tracks[i], true);\n        }\n\n        this.preselectTrack();\n      }));\n      return _this;\n    }\n    /**\n    * Preselect a track following this precedence:\n    * - matches the previously selected {@link TextTrack}'s language and kind\n    * - matches the previously selected {@link TextTrack}'s language only\n    * - is the first default captions track\n    * - is the first default descriptions track\n    *\n    * @listens Player#loadstart\n    */\n\n\n    var _proto = TextTrackDisplay.prototype;\n\n    _proto.preselectTrack = function preselectTrack() {\n      var modes = {\n        captions: 1,\n        subtitles: 1\n      };\n      var trackList = this.player_.textTracks();\n      var userPref = this.player_.cache_.selectedLanguage;\n      var firstDesc;\n      var firstCaptions;\n      var preferredTrack;\n\n      for (var i = 0; i < trackList.length; i++) {\n        var track = trackList[i];\n\n        if (userPref && userPref.enabled && userPref.language && userPref.language === track.language && track.kind in modes) {\n          // Always choose the track that matches both language and kind\n          if (track.kind === userPref.kind) {\n            preferredTrack = track; // or choose the first track that matches language\n          } else if (!preferredTrack) {\n            preferredTrack = track;\n          } // clear everything if offTextTrackMenuItem was clicked\n\n        } else if (userPref && !userPref.enabled) {\n          preferredTrack = null;\n          firstDesc = null;\n          firstCaptions = null;\n        } else if (track[\"default\"]) {\n          if (track.kind === 'descriptions' && !firstDesc) {\n            firstDesc = track;\n          } else if (track.kind in modes && !firstCaptions) {\n            firstCaptions = track;\n          }\n        }\n      } // The preferredTrack matches the user preference and takes\n      // precedence over all the other tracks.\n      // So, display the preferredTrack before the first default track\n      // and the subtitles/captions track before the descriptions track\n\n\n      if (preferredTrack) {\n        preferredTrack.mode = 'showing';\n      } else if (firstCaptions) {\n        firstCaptions.mode = 'showing';\n      } else if (firstDesc) {\n        firstDesc.mode = 'showing';\n      }\n    }\n    /**\n     * Turn display of {@link TextTrack}'s from the current state into the other state.\n     * There are only two states:\n     * - 'shown'\n     * - 'hidden'\n     *\n     * @listens Player#loadstart\n     */\n    ;\n\n    _proto.toggleDisplay = function toggleDisplay() {\n      if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {\n        this.hide();\n      } else {\n        this.show();\n      }\n    }\n    /**\n     * Create the {@link Component}'s DOM element.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-text-track-display'\n      }, {\n        'aria-live': 'off',\n        'aria-atomic': 'true'\n      });\n    }\n    /**\n     * Clear all displayed {@link TextTrack}s.\n     */\n    ;\n\n    _proto.clearDisplay = function clearDisplay() {\n      if (typeof window$3.WebVTT === 'function') {\n        window$3.WebVTT.processCues(window$3, [], this.el_);\n      }\n    }\n    /**\n     * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or\n     * a {@link Player#fullscreenchange} is fired.\n     *\n     * @listens Player#texttrackchange\n     * @listens Player#fullscreenchange\n     */\n    ;\n\n    _proto.updateDisplay = function updateDisplay() {\n      var tracks = this.player_.textTracks();\n      var allowMultipleShowingTracks = this.options_.allowMultipleShowingTracks;\n      this.clearDisplay();\n\n      if (allowMultipleShowingTracks) {\n        var showingTracks = [];\n\n        for (var _i = 0; _i < tracks.length; ++_i) {\n          var track = tracks[_i];\n\n          if (track.mode !== 'showing') {\n            continue;\n          }\n\n          showingTracks.push(track);\n        }\n\n        this.updateForTrack(showingTracks);\n        return;\n      } //  Track display prioritization model: if multiple tracks are 'showing',\n      //  display the first 'subtitles' or 'captions' track which is 'showing',\n      //  otherwise display the first 'descriptions' track which is 'showing'\n\n\n      var descriptionsTrack = null;\n      var captionsSubtitlesTrack = null;\n      var i = tracks.length;\n\n      while (i--) {\n        var _track = tracks[i];\n\n        if (_track.mode === 'showing') {\n          if (_track.kind === 'descriptions') {\n            descriptionsTrack = _track;\n          } else {\n            captionsSubtitlesTrack = _track;\n          }\n        }\n      }\n\n      if (captionsSubtitlesTrack) {\n        if (this.getAttribute('aria-live') !== 'off') {\n          this.setAttribute('aria-live', 'off');\n        }\n\n        this.updateForTrack(captionsSubtitlesTrack);\n      } else if (descriptionsTrack) {\n        if (this.getAttribute('aria-live') !== 'assertive') {\n          this.setAttribute('aria-live', 'assertive');\n        }\n\n        this.updateForTrack(descriptionsTrack);\n      }\n    }\n    /**\n     * Style {@Link TextTrack} activeCues according to {@Link TextTrackSettings}.\n     *\n     * @param {TextTrack} track\n     *        Text track object containing active cues to style.\n     */\n    ;\n\n    _proto.updateDisplayState = function updateDisplayState(track) {\n      var overrides = this.player_.textTrackSettings.getValues();\n      var cues = track.activeCues;\n      var i = cues.length;\n\n      while (i--) {\n        var cue = cues[i];\n\n        if (!cue) {\n          continue;\n        }\n\n        var cueDiv = cue.displayState;\n\n        if (overrides.color) {\n          cueDiv.firstChild.style.color = overrides.color;\n        }\n\n        if (overrides.textOpacity) {\n          tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));\n        }\n\n        if (overrides.backgroundColor) {\n          cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;\n        }\n\n        if (overrides.backgroundOpacity) {\n          tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));\n        }\n\n        if (overrides.windowColor) {\n          if (overrides.windowOpacity) {\n            tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));\n          } else {\n            cueDiv.style.backgroundColor = overrides.windowColor;\n          }\n        }\n\n        if (overrides.edgeStyle) {\n          if (overrides.edgeStyle === 'dropshadow') {\n            cueDiv.firstChild.style.textShadow = \"2px 2px 3px \" + darkGray + \", 2px 2px 4px \" + darkGray + \", 2px 2px 5px \" + darkGray;\n          } else if (overrides.edgeStyle === 'raised') {\n            cueDiv.firstChild.style.textShadow = \"1px 1px \" + darkGray + \", 2px 2px \" + darkGray + \", 3px 3px \" + darkGray;\n          } else if (overrides.edgeStyle === 'depressed') {\n            cueDiv.firstChild.style.textShadow = \"1px 1px \" + lightGray + \", 0 1px \" + lightGray + \", -1px -1px \" + darkGray + \", 0 -1px \" + darkGray;\n          } else if (overrides.edgeStyle === 'uniform') {\n            cueDiv.firstChild.style.textShadow = \"0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray + \", 0 0 4px \" + darkGray;\n          }\n        }\n\n        if (overrides.fontPercent && overrides.fontPercent !== 1) {\n          var fontSize = window$3.parseFloat(cueDiv.style.fontSize);\n          cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';\n          cueDiv.style.height = 'auto';\n          cueDiv.style.top = 'auto';\n          cueDiv.style.bottom = '2px';\n        }\n\n        if (overrides.fontFamily && overrides.fontFamily !== 'default') {\n          if (overrides.fontFamily === 'small-caps') {\n            cueDiv.firstChild.style.fontVariant = 'small-caps';\n          } else {\n            cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];\n          }\n        }\n      }\n    }\n    /**\n     * Add an {@link TextTrack} to to the {@link Tech}s {@link TextTrackList}.\n     *\n     * @param {TextTrack|TextTrack[]} tracks\n     *        Text track object or text track array to be added to the list.\n     */\n    ;\n\n    _proto.updateForTrack = function updateForTrack(tracks) {\n      if (!Array.isArray(tracks)) {\n        tracks = [tracks];\n      }\n\n      if (typeof window$3.WebVTT !== 'function' || tracks.every(function (track) {\n        return !track.activeCues;\n      })) {\n        return;\n      }\n\n      var cues = []; // push all active track cues\n\n      for (var i = 0; i < tracks.length; ++i) {\n        var track = tracks[i];\n\n        for (var j = 0; j < track.activeCues.length; ++j) {\n          cues.push(track.activeCues[j]);\n        }\n      } // removes all cues before it processes new ones\n\n\n      window$3.WebVTT.processCues(window$3, cues, this.el_); // add unique class to each language text track & add settings styling if necessary\n\n      for (var _i2 = 0; _i2 < tracks.length; ++_i2) {\n        var _track2 = tracks[_i2];\n\n        for (var _j = 0; _j < _track2.activeCues.length; ++_j) {\n          var cueEl = _track2.activeCues[_j].displayState;\n          addClass(cueEl, 'vjs-text-track-cue');\n          addClass(cueEl, 'vjs-text-track-cue-' + (_track2.language ? _track2.language : _i2));\n        }\n\n        if (this.player_.textTrackSettings) {\n          this.updateDisplayState(_track2);\n        }\n      }\n    };\n\n    return TextTrackDisplay;\n  }(Component);\n\n  Component.registerComponent('TextTrackDisplay', TextTrackDisplay);\n\n  /**\n   * A loading spinner for use during waiting/loading events.\n   *\n   * @extends Component\n   */\n\n  var LoadingSpinner = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LoadingSpinner, _Component);\n\n    function LoadingSpinner() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = LoadingSpinner.prototype;\n\n    /**\n     * Create the `LoadingSpinner`s DOM element.\n     *\n     * @return {Element}\n     *         The dom element that gets created.\n     */\n    _proto.createEl = function createEl$1() {\n      var isAudio = this.player_.isAudio();\n      var playerType = this.localize(isAudio ? 'Audio Player' : 'Video Player');\n      var controlText = createEl('span', {\n        className: 'vjs-control-text',\n        innerHTML: this.localize('{1} is loading.', [playerType])\n      });\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-loading-spinner',\n        dir: 'ltr'\n      });\n\n      el.appendChild(controlText);\n      return el;\n    };\n\n    return LoadingSpinner;\n  }(Component);\n\n  Component.registerComponent('LoadingSpinner', LoadingSpinner);\n\n  /**\n   * Base class for all buttons.\n   *\n   * @extends ClickableComponent\n   */\n\n  var Button = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(Button, _ClickableComponent);\n\n    function Button() {\n      return _ClickableComponent.apply(this, arguments) || this;\n    }\n\n    var _proto = Button.prototype;\n\n    /**\n     * Create the `Button`s DOM element.\n     *\n     * @param {string} [tag=\"button\"]\n     *        The element's node type. This argument is IGNORED: no matter what\n     *        is passed, it will always create a `button` element.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element.\n     *\n     * @param {Object} [attributes={}]\n     *        An object of attributes that should be set on the element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    _proto.createEl = function createEl(tag, props, attributes) {\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      tag = 'button';\n      props = assign({\n        innerHTML: '<span aria-hidden=\"true\" class=\"vjs-icon-placeholder\"></span>',\n        className: this.buildCSSClass()\n      }, props); // Add attributes for button element\n\n      attributes = assign({\n        // Necessary since the default button type is \"submit\"\n        type: 'button'\n      }, attributes);\n      var el = Component.prototype.createEl.call(this, tag, props, attributes);\n      this.createControlTextEl(el);\n      return el;\n    }\n    /**\n     * Add a child `Component` inside of this `Button`.\n     *\n     * @param {string|Component} child\n     *        The name or instance of a child to add.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of options that will get passed to children of\n     *        the child.\n     *\n     * @return {Component}\n     *         The `Component` that gets added as a child. When using a string the\n     *         `Component` will get created by this process.\n     *\n     * @deprecated since version 5\n     */\n    ;\n\n    _proto.addChild = function addChild(child, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      var className = this.constructor.name;\n      log.warn(\"Adding an actionable (user controllable) child to a Button (\" + className + \") is not supported; use a ClickableComponent instead.\"); // Avoid the error message generated by ClickableComponent's addChild method\n\n      return Component.prototype.addChild.call(this, child, options);\n    }\n    /**\n     * Enable the `Button` element so that it can be activated or clicked. Use this with\n     * {@link Button#disable}.\n     */\n    ;\n\n    _proto.enable = function enable() {\n      _ClickableComponent.prototype.enable.call(this);\n\n      this.el_.removeAttribute('disabled');\n    }\n    /**\n     * Disable the `Button` element so that it cannot be activated or clicked. Use this with\n     * {@link Button#enable}.\n     */\n    ;\n\n    _proto.disable = function disable() {\n      _ClickableComponent.prototype.disable.call(this);\n\n      this.el_.setAttribute('disabled', 'disabled');\n    }\n    /**\n     * This gets called when a `Button` has focus and `keydown` is triggered via a key\n     * press.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to get called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Ignore Space or Enter key operation, which is handled by the browser for\n      // a button - though not for its super class, ClickableComponent. Also,\n      // prevent the event from propagating through the DOM and triggering Player\n      // hotkeys. We do not preventDefault here because we _want_ the browser to\n      // handle it.\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.stopPropagation();\n        return;\n      } // Pass keypress handling up for unsupported keys\n\n\n      _ClickableComponent.prototype.handleKeyDown.call(this, event);\n    };\n\n    return Button;\n  }(ClickableComponent);\n\n  Component.registerComponent('Button', Button);\n\n  /**\n   * The initial play button that shows before the video has played. The hiding of the\n   * `BigPlayButton` get done via CSS and `Player` states.\n   *\n   * @extends Button\n   */\n\n  var BigPlayButton = /*#__PURE__*/function (_Button) {\n    inheritsLoose(BigPlayButton, _Button);\n\n    function BigPlayButton(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n      _this.mouseused_ = false;\n\n      _this.on('mousedown', _this.handleMouseDown);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object. Always returns 'vjs-big-play-button'.\n     */\n\n\n    var _proto = BigPlayButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-big-play-button';\n    }\n    /**\n     * This gets called when a `BigPlayButton` \"clicked\". See {@link ClickableComponent}\n     * for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var playPromise = this.player_.play(); // exit early if clicked via the mouse\n\n      if (this.mouseused_ && event.clientX && event.clientY) {\n        var sourceIsEncrypted = this.player_.usingPlugin('eme') && this.player_.eme.sessions && this.player_.eme.sessions.length > 0;\n        silencePromise(playPromise);\n\n        if (this.player_.tech(true) && // We've observed a bug in IE and Edge when playing back DRM content where\n        // calling .focus() on the video element causes the video to go black,\n        // so we avoid it in that specific case\n        !((IE_VERSION || IS_EDGE) && sourceIsEncrypted)) {\n          this.player_.tech(true).focus();\n        }\n\n        return;\n      }\n\n      var cb = this.player_.getChild('controlBar');\n      var playToggle = cb && cb.getChild('playToggle');\n\n      if (!playToggle) {\n        this.player_.tech(true).focus();\n        return;\n      }\n\n      var playFocus = function playFocus() {\n        return playToggle.focus();\n      };\n\n      if (isPromise(playPromise)) {\n        playPromise.then(playFocus, function () {});\n      } else {\n        this.setTimeout(playFocus, 1);\n      }\n    };\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      this.mouseused_ = false;\n\n      _Button.prototype.handleKeyDown.call(this, event);\n    };\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      this.mouseused_ = true;\n    };\n\n    return BigPlayButton;\n  }(Button);\n  /**\n   * The text that should display over the `BigPlayButton`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  BigPlayButton.prototype.controlText_ = 'Play Video';\n  Component.registerComponent('BigPlayButton', BigPlayButton);\n\n  /**\n   * The `CloseButton` is a `{@link Button}` that fires a `close` event when\n   * it gets clicked.\n   *\n   * @extends Button\n   */\n\n  var CloseButton = /*#__PURE__*/function (_Button) {\n    inheritsLoose(CloseButton, _Button);\n\n    /**\n    * Creates an instance of the this class.\n    *\n    * @param  {Player} player\n    *         The `Player` that this class should be attached to.\n    *\n    * @param  {Object} [options]\n    *         The key/value store of player options.\n    */\n    function CloseButton(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.controlText(options && options.controlText || _this.localize('Close'));\n\n      return _this;\n    }\n    /**\n    * Builds the default DOM `className`.\n    *\n    * @return {string}\n    *         The DOM `className` for this object.\n    */\n\n\n    var _proto = CloseButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-close-button \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when a `CloseButton` gets clicked. See\n     * {@link ClickableComponent#handleClick} for more information on when\n     * this will be triggered\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     * @fires CloseButton#close\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      /**\n       * Triggered when the a `CloseButton` is clicked.\n       *\n       * @event CloseButton#close\n       * @type {EventTarget~Event}\n       *\n       * @property {boolean} [bubbles=false]\n       *           set to false so that the close event does not\n       *           bubble up to parents if there is no listener\n       */\n      this.trigger({\n        type: 'close',\n        bubbles: false\n      });\n    }\n    /**\n     * Event handler that is called when a `CloseButton` receives a\n     * `keydown` event.\n     *\n     * By default, if the key is Esc, it will trigger a `click` event.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Esc button will trigger `click` event\n      if (keycode.isEventKey(event, 'Esc')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.trigger('click');\n      } else {\n        // Pass keypress handling up for unsupported keys\n        _Button.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return CloseButton;\n  }(Button);\n\n  Component.registerComponent('CloseButton', CloseButton);\n\n  /**\n   * Button to toggle between play and pause.\n   *\n   * @extends Button\n   */\n\n  var PlayToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(PlayToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function PlayToggle(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _Button.call(this, player, options) || this; // show or hide replay icon\n\n      options.replay = options.replay === undefined || options.replay;\n\n      _this.on(player, 'play', _this.handlePlay);\n\n      _this.on(player, 'pause', _this.handlePause);\n\n      if (options.replay) {\n        _this.on(player, 'ended', _this.handleEnded);\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = PlayToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-play-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when an `PlayToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.player_.paused()) {\n        this.player_.play();\n      } else {\n        this.player_.pause();\n      }\n    }\n    /**\n     * This gets called once after the video has ended and the user seeks so that\n     * we can change the replay button back to a play button.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#seeked\n     */\n    ;\n\n    _proto.handleSeeked = function handleSeeked(event) {\n      this.removeClass('vjs-ended');\n\n      if (this.player_.paused()) {\n        this.handlePause(event);\n      } else {\n        this.handlePlay(event);\n      }\n    }\n    /**\n     * Add the vjs-playing class to the element so it can change appearance.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#play\n     */\n    ;\n\n    _proto.handlePlay = function handlePlay(event) {\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-paused');\n      this.addClass('vjs-playing'); // change the button text to \"Pause\"\n\n      this.controlText('Pause');\n    }\n    /**\n     * Add the vjs-paused class to the element so it can change appearance.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#pause\n     */\n    ;\n\n    _proto.handlePause = function handlePause(event) {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-paused'); // change the button text to \"Play\"\n\n      this.controlText('Play');\n    }\n    /**\n     * Add the vjs-ended class to the element so it can change appearance\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#ended\n     */\n    ;\n\n    _proto.handleEnded = function handleEnded(event) {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-ended'); // change the button text to \"Replay\"\n\n      this.controlText('Replay'); // on the next seek remove the replay button\n\n      this.one(this.player_, 'seeked', this.handleSeeked);\n    };\n\n    return PlayToggle;\n  }(Button);\n  /**\n   * The text that should display over the `PlayToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlayToggle.prototype.controlText_ = 'Play';\n  Component.registerComponent('PlayToggle', PlayToggle);\n\n  /**\n   * @file format-time.js\n   * @module format-time\n   */\n\n  /**\n   * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in\n   * seconds) will force a number of leading zeros to cover the length of the\n   * guide.\n   *\n   * @private\n   * @param  {number} seconds\n   *         Number of seconds to be turned into a string\n   *\n   * @param  {number} guide\n   *         Number (in seconds) to model the string after\n   *\n   * @return {string}\n   *         Time formatted as H:MM:SS or M:SS\n   */\n  var defaultImplementation = function defaultImplementation(seconds, guide) {\n    seconds = seconds < 0 ? 0 : seconds;\n    var s = Math.floor(seconds % 60);\n    var m = Math.floor(seconds / 60 % 60);\n    var h = Math.floor(seconds / 3600);\n    var gm = Math.floor(guide / 60 % 60);\n    var gh = Math.floor(guide / 3600); // handle invalid times\n\n    if (isNaN(seconds) || seconds === Infinity) {\n      // '-' is false for all relational operators (e.g. <, >=) so this setting\n      // will add the minimum number of fields specified by the guide\n      h = m = s = '-';\n    } // Check if we need to show hours\n\n\n    h = h > 0 || gh > 0 ? h + ':' : ''; // If hours are showing, we may need to add a leading zero.\n    // Always show at least one digit of minutes.\n\n    m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':'; // Check if leading zero is need for seconds\n\n    s = s < 10 ? '0' + s : s;\n    return h + m + s;\n  }; // Internal pointer to the current implementation.\n\n\n  var implementation = defaultImplementation;\n  /**\n   * Replaces the default formatTime implementation with a custom implementation.\n   *\n   * @param {Function} customImplementation\n   *        A function which will be used in place of the default formatTime\n   *        implementation. Will receive the current time in seconds and the\n   *        guide (in seconds) as arguments.\n   */\n\n  function setFormatTime(customImplementation) {\n    implementation = customImplementation;\n  }\n  /**\n   * Resets formatTime to the default implementation.\n   */\n\n  function resetFormatTime() {\n    implementation = defaultImplementation;\n  }\n  /**\n   * Delegates to either the default time formatting function or a custom\n   * function supplied via `setFormatTime`.\n   *\n   * Formats seconds as a time string (H:MM:SS or M:SS). Supplying a\n   * guide (in seconds) will force a number of leading zeros to cover the\n   * length of the guide.\n   *\n   * @static\n   * @example  formatTime(125, 600) === \"02:05\"\n   * @param    {number} seconds\n   *           Number of seconds to be turned into a string\n   *\n   * @param    {number} guide\n   *           Number (in seconds) to model the string after\n   *\n   * @return   {string}\n   *           Time formatted as H:MM:SS or M:SS\n   */\n\n  function formatTime(seconds, guide) {\n    if (guide === void 0) {\n      guide = seconds;\n    }\n\n    return implementation(seconds, guide);\n  }\n\n  /**\n   * Displays time information about the video\n   *\n   * @extends Component\n   */\n\n  var TimeDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TimeDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.on(player, ['timeupdate', 'ended'], _this.updateContent);\n\n      _this.updateTextNode_();\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = TimeDisplay.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var className = this.buildCSSClass();\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: className + \" vjs-time-control vjs-control\",\n        innerHTML: \"<span class=\\\"vjs-control-text\\\" role=\\\"presentation\\\">\" + this.localize(this.labelText_) + \"\\xA0</span>\"\n      });\n\n      this.contentEl_ = createEl('span', {\n        className: className + \"-display\"\n      }, {\n        // tell screen readers not to automatically read the time as it changes\n        'aria-live': 'off',\n        // span elements have no implicit role, but some screen readers (notably VoiceOver)\n        // treat them as a break between items in the DOM when using arrow keys\n        // (or left-to-right swipes on iOS) to read contents of a page. Using\n        // role='presentation' causes VoiceOver to NOT treat this span as a break.\n        'role': 'presentation'\n      });\n      el.appendChild(this.contentEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.textNode_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Updates the time display text node with a new time\n     *\n     * @param {number} [time=0] the time to update to\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateTextNode_ = function updateTextNode_(time) {\n      var _this2 = this;\n\n      if (time === void 0) {\n        time = 0;\n      }\n\n      time = formatTime(time);\n\n      if (this.formattedTime_ === time) {\n        return;\n      }\n\n      this.formattedTime_ = time;\n      this.requestAnimationFrame(function () {\n        if (!_this2.contentEl_) {\n          return;\n        }\n\n        var oldNode = _this2.textNode_;\n        _this2.textNode_ = document.createTextNode(_this2.formattedTime_);\n\n        if (!_this2.textNode_) {\n          return;\n        }\n\n        if (oldNode) {\n          _this2.contentEl_.replaceChild(_this2.textNode_, oldNode);\n        } else {\n          _this2.contentEl_.appendChild(_this2.textNode_);\n        }\n      });\n    }\n    /**\n     * To be filled out in the child class, should update the displayed time\n     * in accordance with the fact that the current time has changed.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate`  event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {};\n\n    return TimeDisplay;\n  }(Component);\n  /**\n   * The text that is added to the `TimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  TimeDisplay.prototype.labelText_ = 'Time';\n  /**\n   * The text that should display over the `TimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  TimeDisplay.prototype.controlText_ = 'Time';\n  Component.registerComponent('TimeDisplay', TimeDisplay);\n\n  /**\n   * Displays the current time\n   *\n   * @extends Component\n   */\n\n  var CurrentTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(CurrentTimeDisplay, _TimeDisplay);\n\n    function CurrentTimeDisplay() {\n      return _TimeDisplay.apply(this, arguments) || this;\n    }\n\n    var _proto = CurrentTimeDisplay.prototype;\n\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-current-time';\n    }\n    /**\n     * Update current time display\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` event that caused this function to run.\n     *\n     * @listens Player#timeupdate\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      // Allows for smooth scrubbing, when player can't keep up.\n      var time;\n\n      if (this.player_.ended()) {\n        time = this.player_.duration();\n      } else {\n        time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n      }\n\n      this.updateTextNode_(time);\n    };\n\n    return CurrentTimeDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `CurrentTimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  CurrentTimeDisplay.prototype.labelText_ = 'Current Time';\n  /**\n   * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  CurrentTimeDisplay.prototype.controlText_ = 'Current Time';\n  Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);\n\n  /**\n   * Displays the duration\n   *\n   * @extends Component\n   */\n\n  var DurationDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(DurationDisplay, _TimeDisplay);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function DurationDisplay(player, options) {\n      var _this;\n\n      _this = _TimeDisplay.call(this, player, options) || this; // we do not want to/need to throttle duration changes,\n      // as they should always display the changed duration as\n      // it has changed\n\n      _this.on(player, 'durationchange', _this.updateContent); // Listen to loadstart because the player duration is reset when a new media element is loaded,\n      // but the durationchange on the user agent will not fire.\n      // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}\n\n\n      _this.on(player, 'loadstart', _this.updateContent); // Also listen for timeupdate (in the parent) and loadedmetadata because removing those\n      // listeners could have broken dependent applications/libraries. These\n      // can likely be removed for 7.0.\n\n\n      _this.on(player, 'loadedmetadata', _this.updateContent);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = DurationDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-duration';\n    }\n    /**\n     * Update duration time display.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused\n     *        this function to be called.\n     *\n     * @listens Player#durationchange\n     * @listens Player#timeupdate\n     * @listens Player#loadedmetadata\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      var duration = this.player_.duration();\n      this.updateTextNode_(duration);\n    };\n\n    return DurationDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `DurationDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  DurationDisplay.prototype.labelText_ = 'Duration';\n  /**\n   * The text that should display over the `DurationDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  DurationDisplay.prototype.controlText_ = 'Duration';\n  Component.registerComponent('DurationDisplay', DurationDisplay);\n\n  /**\n   * The separator between the current time and duration.\n   * Can be hidden if it's not needed in the design.\n   *\n   * @extends Component\n   */\n\n  var TimeDivider = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeDivider, _Component);\n\n    function TimeDivider() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = TimeDivider.prototype;\n\n    /**\n     * Create the component's DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-time-control vjs-time-divider',\n        innerHTML: '<div><span>/</span></div>'\n      }, {\n        // this element and its contents can be hidden from assistive techs since\n        // it is made extraneous by the announcement of the control text\n        // for the current time and duration displays\n        'aria-hidden': true\n      });\n    };\n\n    return TimeDivider;\n  }(Component);\n\n  Component.registerComponent('TimeDivider', TimeDivider);\n\n  /**\n   * Displays the time left in the video\n   *\n   * @extends Component\n   */\n\n  var RemainingTimeDisplay = /*#__PURE__*/function (_TimeDisplay) {\n    inheritsLoose(RemainingTimeDisplay, _TimeDisplay);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function RemainingTimeDisplay(player, options) {\n      var _this;\n\n      _this = _TimeDisplay.call(this, player, options) || this;\n\n      _this.on(player, 'durationchange', _this.updateContent);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = RemainingTimeDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return 'vjs-remaining-time';\n    }\n    /**\n     * Create the `Component`'s DOM element with the \"minus\" characted prepend to the time\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var el = _TimeDisplay.prototype.createEl.call(this);\n\n      el.insertBefore(createEl('span', {}, {\n        'aria-hidden': true\n      }, '-'), this.contentEl_);\n      return el;\n    }\n    /**\n     * Update remaining time display.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` or `durationchange` event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     * @listens Player#durationchange\n     */\n    ;\n\n    _proto.updateContent = function updateContent(event) {\n      if (typeof this.player_.duration() !== 'number') {\n        return;\n      }\n\n      var time; // @deprecated We should only use remainingTimeDisplay\n      // as of video.js 7\n\n      if (this.player_.ended()) {\n        time = 0;\n      } else if (this.player_.remainingTimeDisplay) {\n        time = this.player_.remainingTimeDisplay();\n      } else {\n        time = this.player_.remainingTime();\n      }\n\n      this.updateTextNode_(time);\n    };\n\n    return RemainingTimeDisplay;\n  }(TimeDisplay);\n  /**\n   * The text that is added to the `RemainingTimeDisplay` for screen reader users.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  RemainingTimeDisplay.prototype.labelText_ = 'Remaining Time';\n  /**\n   * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.\n   *\n   * @type {string}\n   * @private\n   *\n   * @deprecated in v7; controlText_ is not used in non-active display Components\n   */\n\n  RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';\n  Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);\n\n  /**\n   * Displays the live indicator when duration is Infinity.\n   *\n   * @extends Component\n   */\n\n  var LiveDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LiveDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function LiveDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.updateShowing();\n\n      _this.on(_this.player(), 'durationchange', _this.updateShowing);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = LiveDisplay.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-live-control vjs-control'\n      });\n\n      this.contentEl_ = createEl('div', {\n        className: 'vjs-live-display',\n        innerHTML: \"<span class=\\\"vjs-control-text\\\">\" + this.localize('Stream Type') + \"\\xA0</span>\" + this.localize('LIVE')\n      }, {\n        'aria-live': 'off'\n      });\n      el.appendChild(this.contentEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide\n     * it accordingly\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#durationchange} event that caused this function to run.\n     *\n     * @listens Player#durationchange\n     */\n    ;\n\n    _proto.updateShowing = function updateShowing(event) {\n      if (this.player().duration() === Infinity) {\n        this.show();\n      } else {\n        this.hide();\n      }\n    };\n\n    return LiveDisplay;\n  }(Component);\n\n  Component.registerComponent('LiveDisplay', LiveDisplay);\n\n  /**\n   * Displays the live indicator when duration is Infinity.\n   *\n   * @extends Component\n   */\n\n  var SeekToLive = /*#__PURE__*/function (_Button) {\n    inheritsLoose(SeekToLive, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function SeekToLive(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.updateLiveEdgeStatus();\n\n      if (_this.player_.liveTracker) {\n        _this.on(_this.player_.liveTracker, 'liveedgechange', _this.updateLiveEdgeStatus);\n      }\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = SeekToLive.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Button.prototype.createEl.call(this, 'button', {\n        className: 'vjs-seek-to-live-control vjs-control'\n      });\n\n      this.textEl_ = createEl('span', {\n        className: 'vjs-seek-to-live-text',\n        innerHTML: this.localize('LIVE')\n      }, {\n        'aria-hidden': 'true'\n      });\n      el.appendChild(this.textEl_);\n      return el;\n    }\n    /**\n     * Update the state of this button if we are at the live edge\n     * or not\n     */\n    ;\n\n    _proto.updateLiveEdgeStatus = function updateLiveEdgeStatus(e) {\n      // default to live edge\n      if (!this.player_.liveTracker || this.player_.liveTracker.atLiveEdge()) {\n        this.setAttribute('aria-disabled', true);\n        this.addClass('vjs-at-live-edge');\n        this.controlText('Seek to live, currently playing live');\n      } else {\n        this.setAttribute('aria-disabled', false);\n        this.removeClass('vjs-at-live-edge');\n        this.controlText('Seek to live, currently behind live');\n      }\n    }\n    /**\n     * On click bring us as near to the live point as possible.\n     * This requires that we wait for the next `live-seekable-change`\n     * event which will happen every segment length seconds.\n     */\n    ;\n\n    _proto.handleClick = function handleClick() {\n      this.player_.liveTracker.seekToLiveEdge();\n    }\n    /**\n     * Dispose of the element and stop tracking\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      if (this.player_.liveTracker) {\n        this.off(this.player_.liveTracker, 'liveedgechange', this.updateLiveEdgeStatus);\n      }\n\n      this.textEl_ = null;\n\n      _Button.prototype.dispose.call(this);\n    };\n\n    return SeekToLive;\n  }(Button);\n\n  SeekToLive.prototype.controlText_ = 'Seek to live, currently playing live';\n  Component.registerComponent('SeekToLive', SeekToLive);\n\n  /**\n   * Keep a number between a min and a max value\n   *\n   * @param {number} number\n   *        The number to clamp\n   *\n   * @param {number} min\n   *        The minimum value\n   * @param {number} max\n   *        The maximum value\n   *\n   * @return {number}\n   *         the clamped number\n   */\n  var clamp = function clamp(number, min, max) {\n    number = Number(number);\n    return Math.min(max, Math.max(min, isNaN(number) ? min : number));\n  };\n\n  /**\n   * The base functionality for a slider. Can be vertical or horizontal.\n   * For instance the volume bar or the seek bar on a video is a slider.\n   *\n   * @extends Component\n   */\n\n  var Slider = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Slider, _Component);\n\n    /**\n    * Create an instance of this class\n    *\n    * @param {Player} player\n    *        The `Player` that this class should be attached to.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    */\n    function Slider(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this; // Set property names to bar to match with the child Slider class is looking for\n\n      _this.bar = _this.getChild(_this.options_.barName); // Set a horizontal or vertical class on the slider depending on the slider type\n\n      _this.vertical(!!_this.options_.vertical);\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Are controls are currently enabled for this slider or not.\n     *\n     * @return {boolean}\n     *         true if controls are enabled, false otherwise\n     */\n\n\n    var _proto = Slider.prototype;\n\n    _proto.enabled = function enabled() {\n      return this.enabled_;\n    }\n    /**\n     * Enable controls for this slider if they are disabled\n     */\n    ;\n\n    _proto.enable = function enable() {\n      if (this.enabled()) {\n        return;\n      }\n\n      this.on('mousedown', this.handleMouseDown);\n      this.on('touchstart', this.handleMouseDown);\n      this.on('keydown', this.handleKeyDown);\n      this.on('click', this.handleClick); // TODO: deprecated, controlsvisible does not seem to be fired\n\n      this.on(this.player_, 'controlsvisible', this.update);\n\n      if (this.playerEvent) {\n        this.on(this.player_, this.playerEvent, this.update);\n      }\n\n      this.removeClass('disabled');\n      this.setAttribute('tabindex', 0);\n      this.enabled_ = true;\n    }\n    /**\n     * Disable controls for this slider if they are enabled\n     */\n    ;\n\n    _proto.disable = function disable() {\n      if (!this.enabled()) {\n        return;\n      }\n\n      var doc = this.bar.el_.ownerDocument;\n      this.off('mousedown', this.handleMouseDown);\n      this.off('touchstart', this.handleMouseDown);\n      this.off('keydown', this.handleKeyDown);\n      this.off('click', this.handleClick);\n      this.off(this.player_, 'controlsvisible', this.update);\n      this.off(doc, 'mousemove', this.handleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchmove', this.handleMouseMove);\n      this.off(doc, 'touchend', this.handleMouseUp);\n      this.removeAttribute('tabindex');\n      this.addClass('disabled');\n\n      if (this.playerEvent) {\n        this.off(this.player_, this.playerEvent, this.update);\n      }\n\n      this.enabled_ = false;\n    }\n    /**\n     * Create the `Slider`s DOM element.\n     *\n     * @param {string} type\n     *        Type of element to create.\n     *\n     * @param {Object} [props={}]\n     *        List of properties in Object form.\n     *\n     * @param {Object} [attributes={}]\n     *        list of attributes in Object form.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl(type, props, attributes) {\n      if (props === void 0) {\n        props = {};\n      }\n\n      if (attributes === void 0) {\n        attributes = {};\n      }\n\n      // Add the slider element class to all sub classes\n      props.className = props.className + ' vjs-slider';\n      props = assign({\n        tabIndex: 0\n      }, props);\n      attributes = assign({\n        'role': 'slider',\n        'aria-valuenow': 0,\n        'aria-valuemin': 0,\n        'aria-valuemax': 100,\n        'tabIndex': 0\n      }, attributes);\n      return _Component.prototype.createEl.call(this, type, props, attributes);\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `Slider`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     * @fires Slider#slideractive\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.bar.el_.ownerDocument;\n\n      if (event.type === 'mousedown') {\n        event.preventDefault();\n      } // Do not call preventDefault() on touchstart in Chrome\n      // to avoid console warnings. Use a 'touch-action: none' style\n      // instead to prevent unintented scrolling.\n      // https://developers.google.com/web/updates/2017/01/scrolling-intervention\n\n\n      if (event.type === 'touchstart' && !IS_CHROME) {\n        event.preventDefault();\n      }\n\n      blockTextSelection();\n      this.addClass('vjs-sliding');\n      /**\n       * Triggered when the slider is in an active state\n       *\n       * @event Slider#slideractive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('slideractive');\n      this.on(doc, 'mousemove', this.handleMouseMove);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchmove', this.handleMouseMove);\n      this.on(doc, 'touchend', this.handleMouseUp);\n      this.handleMouseMove(event);\n    }\n    /**\n     * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.\n     * The `mousemove` and `touchmove` events will only only trigger this function during\n     * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and\n     * {@link Slider#handleMouseUp}.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered\n     *        this function\n     *\n     * @listens mousemove\n     * @listens touchmove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {}\n    /**\n     * Handle `mouseup` or `touchend` events on the `Slider`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     * @fires Slider#sliderinactive\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp() {\n      var doc = this.bar.el_.ownerDocument;\n      unblockTextSelection();\n      this.removeClass('vjs-sliding');\n      /**\n       * Triggered when the slider is no longer in an active state.\n       *\n       * @event Slider#sliderinactive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('sliderinactive');\n      this.off(doc, 'mousemove', this.handleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchmove', this.handleMouseMove);\n      this.off(doc, 'touchend', this.handleMouseUp);\n      this.update();\n    }\n    /**\n     * Update the progress bar of the `Slider`.\n     *\n     * @return {number}\n     *          The percentage of progress the progress bar represents as a\n     *          number from 0 to 1.\n     */\n    ;\n\n    _proto.update = function update() {\n      var _this2 = this;\n\n      // In VolumeBar init we have a setTimeout for update that pops and update\n      // to the end of the execution stack. The player is destroyed before then\n      // update will cause an error\n      // If there's no bar...\n      if (!this.el_ || !this.bar) {\n        return;\n      } // clamp progress between 0 and 1\n      // and only round to four decimal places, as we round to two below\n\n\n      var progress = this.getProgress();\n\n      if (progress === this.progress_) {\n        return progress;\n      }\n\n      this.progress_ = progress;\n      this.requestAnimationFrame(function () {\n        // Set the new bar width or height\n        var sizeKey = _this2.vertical() ? 'height' : 'width'; // Convert to a percentage for css value\n\n        _this2.bar.el().style[sizeKey] = (progress * 100).toFixed(2) + '%';\n      });\n      return progress;\n    }\n    /**\n     * Get the percentage of the bar that should be filled\n     * but clamped and rounded.\n     *\n     * @return {number}\n     *         percentage filled that the slider is\n     */\n    ;\n\n    _proto.getProgress = function getProgress() {\n      return Number(clamp(this.getPercent(), 0, 1).toFixed(4));\n    }\n    /**\n     * Calculate distance for slider\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run.\n     *\n     * @return {number}\n     *         The current position of the Slider.\n     *         - position.x for vertical `Slider`s\n     *         - position.y for horizontal `Slider`s\n     */\n    ;\n\n    _proto.calculateDistance = function calculateDistance(event) {\n      var position = getPointerPosition(this.el_, event);\n\n      if (this.vertical()) {\n        return position.y;\n      }\n\n      return position.x;\n    }\n    /**\n     * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down\n     * arrow keys. This function will only be called when the slider has focus. See\n     * {@link Slider#handleFocus} and {@link Slider#handleBlur}.\n     *\n     * @param {EventTarget~Event} event\n     *        the `keydown` event that caused this function to run.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Left and Down Arrows\n      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepBack(); // Up and Right Arrows\n      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepForward();\n      } else {\n        // Pass keydown handling up for unsupported keys\n        _Component.prototype.handleKeyDown.call(this, event);\n      }\n    }\n    /**\n     * Listener for click events on slider, used to prevent clicks\n     *   from bubbling up to parent elements like button menus.\n     *\n     * @param {Object} event\n     *        Event that caused this object to run\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      event.stopPropagation();\n      event.preventDefault();\n    }\n    /**\n     * Get/set if slider is horizontal for vertical\n     *\n     * @param {boolean} [bool]\n     *        - true if slider is vertical,\n     *        - false is horizontal\n     *\n     * @return {boolean}\n     *         - true if slider is vertical, and getting\n     *         - false if the slider is horizontal, and getting\n     */\n    ;\n\n    _proto.vertical = function vertical(bool) {\n      if (bool === undefined) {\n        return this.vertical_ || false;\n      }\n\n      this.vertical_ = !!bool;\n\n      if (this.vertical_) {\n        this.addClass('vjs-slider-vertical');\n      } else {\n        this.addClass('vjs-slider-horizontal');\n      }\n    };\n\n    return Slider;\n  }(Component);\n\n  Component.registerComponent('Slider', Slider);\n\n  var percentify = function percentify(time, end) {\n    return clamp(time / end * 100, 0, 100).toFixed(2) + '%';\n  };\n  /**\n   * Shows loading progress\n   *\n   * @extends Component\n   */\n\n\n  var LoadProgressBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LoadProgressBar, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function LoadProgressBar(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.partEls_ = [];\n\n      _this.on(player, 'progress', _this.update);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = LoadProgressBar.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-load-progress'\n      });\n\n      var wrapper = createEl('span', {\n        className: 'vjs-control-text'\n      });\n      var loadedText = createEl('span', {\n        textContent: this.localize('Loaded')\n      });\n      var separator = document.createTextNode(': ');\n      this.percentageEl_ = createEl('span', {\n        className: 'vjs-control-text-loaded-percentage',\n        textContent: '0%'\n      });\n      el.appendChild(wrapper);\n      wrapper.appendChild(loadedText);\n      wrapper.appendChild(separator);\n      wrapper.appendChild(this.percentageEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.partEls_ = null;\n      this.percentageEl_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Update progress bar\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `progress` event that caused this function to run.\n     *\n     * @listens Player#progress\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var _this2 = this;\n\n      this.requestAnimationFrame(function () {\n        var liveTracker = _this2.player_.liveTracker;\n\n        var buffered = _this2.player_.buffered();\n\n        var duration = liveTracker && liveTracker.isLive() ? liveTracker.seekableEnd() : _this2.player_.duration();\n\n        var bufferedEnd = _this2.player_.bufferedEnd();\n\n        var children = _this2.partEls_;\n        var percent = percentify(bufferedEnd, duration);\n\n        if (_this2.percent_ !== percent) {\n          // update the width of the progress bar\n          _this2.el_.style.width = percent; // update the control-text\n\n          textContent(_this2.percentageEl_, percent);\n          _this2.percent_ = percent;\n        } // add child elements to represent the individual buffered time ranges\n\n\n        for (var i = 0; i < buffered.length; i++) {\n          var start = buffered.start(i);\n          var end = buffered.end(i);\n          var part = children[i];\n\n          if (!part) {\n            part = _this2.el_.appendChild(createEl());\n            children[i] = part;\n          } //  only update if changed\n\n\n          if (part.dataset.start === start && part.dataset.end === end) {\n            continue;\n          }\n\n          part.dataset.start = start;\n          part.dataset.end = end; // set the percent based on the width of the progress bar (bufferedEnd)\n\n          part.style.left = percentify(start, bufferedEnd);\n          part.style.width = percentify(end - start, bufferedEnd);\n        } // remove unused buffered range elements\n\n\n        for (var _i = children.length; _i > buffered.length; _i--) {\n          _this2.el_.removeChild(children[_i - 1]);\n        }\n\n        children.length = buffered.length;\n      });\n    };\n\n    return LoadProgressBar;\n  }(Component);\n\n  Component.registerComponent('LoadProgressBar', LoadProgressBar);\n\n  /**\n   * Time tooltips display a time above the progress bar.\n   *\n   * @extends Component\n   */\n\n  var TimeTooltip = /*#__PURE__*/function (_Component) {\n    inheritsLoose(TimeTooltip, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TimeTooltip(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the time tooltip DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = TimeTooltip.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-time-tooltip'\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Updates the position of the time tooltip relative to the `SeekBar`.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint, content) {\n      var tooltipRect = getBoundingClientRect(this.el_);\n      var playerRect = getBoundingClientRect(this.player_.el());\n      var seekBarPointPx = seekBarRect.width * seekBarPoint; // do nothing if either rect isn't available\n      // for example, if the player isn't in the DOM for testing\n\n      if (!playerRect || !tooltipRect) {\n        return;\n      } // This is the space left of the `seekBarPoint` available within the bounds\n      // of the player. We calculate any gap between the left edge of the player\n      // and the left edge of the `SeekBar` and add the number of pixels in the\n      // `SeekBar` before hitting the `seekBarPoint`\n\n\n      var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx; // This is the space right of the `seekBarPoint` available within the bounds\n      // of the player. We calculate the number of pixels from the `seekBarPoint`\n      // to the right edge of the `SeekBar` and add to that any gap between the\n      // right edge of the `SeekBar` and the player.\n\n      var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right); // This is the number of pixels by which the tooltip will need to be pulled\n      // further to the right to center it over the `seekBarPoint`.\n\n      var pullTooltipBy = tooltipRect.width / 2; // Adjust the `pullTooltipBy` distance to the left or right depending on\n      // the results of the space calculations above.\n\n      if (spaceLeftOfPoint < pullTooltipBy) {\n        pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;\n      } else if (spaceRightOfPoint < pullTooltipBy) {\n        pullTooltipBy = spaceRightOfPoint;\n      } // Due to the imprecision of decimal/ratio based calculations and varying\n      // rounding behaviors, there are cases where the spacing adjustment is off\n      // by a pixel or two. This adds insurance to these calculations.\n\n\n      if (pullTooltipBy < 0) {\n        pullTooltipBy = 0;\n      } else if (pullTooltipBy > tooltipRect.width) {\n        pullTooltipBy = tooltipRect.width;\n      }\n\n      this.el_.style.right = \"-\" + pullTooltipBy + \"px\";\n      this.write(content);\n    }\n    /**\n     * Write the time to the tooltip DOM element.\n     *\n     * @param {string} content\n     *        The formatted time for the tooltip.\n     */\n    ;\n\n    _proto.write = function write(content) {\n      textContent(this.el_, content);\n    }\n    /**\n     * Updates the position of the time tooltip relative to the `SeekBar`.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     *\n     * @param {number} time\n     *        The time to update the tooltip to, not used during live playback\n     *\n     * @param {Function} cb\n     *        A function that will be called during the request animation frame\n     *        for tooltips that need to do additional animations from the default\n     */\n    ;\n\n    _proto.updateTime = function updateTime(seekBarRect, seekBarPoint, time, cb) {\n      var _this2 = this;\n\n      // If there is an existing rAF ID, cancel it so we don't over-queue.\n      if (this.rafId_) {\n        this.cancelAnimationFrame(this.rafId_);\n      }\n\n      this.rafId_ = this.requestAnimationFrame(function () {\n        var content;\n\n        var duration = _this2.player_.duration();\n\n        if (_this2.player_.liveTracker && _this2.player_.liveTracker.isLive()) {\n          var liveWindow = _this2.player_.liveTracker.liveWindow();\n\n          var secondsBehind = liveWindow - seekBarPoint * liveWindow;\n          content = (secondsBehind < 1 ? '' : '-') + formatTime(secondsBehind, liveWindow);\n        } else {\n          content = formatTime(time, duration);\n        }\n\n        _this2.update(seekBarRect, seekBarPoint, content);\n\n        if (cb) {\n          cb();\n        }\n      });\n    };\n\n    return TimeTooltip;\n  }(Component);\n\n  Component.registerComponent('TimeTooltip', TimeTooltip);\n\n  /**\n   * Used by {@link SeekBar} to display media playback progress as part of the\n   * {@link ProgressControl}.\n   *\n   * @extends Component\n   */\n\n  var PlayProgressBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(PlayProgressBar, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlayProgressBar(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the the DOM element for this class.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = PlayProgressBar.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-play-progress vjs-slider-bar'\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Enqueues updates to its own DOM as well as the DOM of its\n     * {@link TimeTooltip} child.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint) {\n      var timeTooltip = this.getChild('timeTooltip');\n\n      if (!timeTooltip) {\n        return;\n      }\n\n      var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n      timeTooltip.updateTime(seekBarRect, seekBarPoint, time);\n    };\n\n    return PlayProgressBar;\n  }(Component);\n  /**\n   * Default options for {@link PlayProgressBar}.\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  PlayProgressBar.prototype.options_ = {\n    children: []\n  }; // Time tooltips should not be added to a player on mobile devices\n\n  if (!IS_IOS && !IS_ANDROID) {\n    PlayProgressBar.prototype.options_.children.push('timeTooltip');\n  }\n\n  Component.registerComponent('PlayProgressBar', PlayProgressBar);\n\n  /**\n   * The {@link MouseTimeDisplay} component tracks mouse movement over the\n   * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}\n   * indicating the time which is represented by a given point in the\n   * {@link ProgressControl}.\n   *\n   * @extends Component\n   */\n\n  var MouseTimeDisplay = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MouseTimeDisplay, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The {@link Player} that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function MouseTimeDisplay(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.update = throttle(bind(assertThisInitialized(_this), _this.update), UPDATE_REFRESH_INTERVAL);\n      return _this;\n    }\n    /**\n     * Create the DOM element for this class.\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = MouseTimeDisplay.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-mouse-display'\n      });\n    }\n    /**\n     * Enqueues updates to its own DOM as well as the DOM of its\n     * {@link TimeTooltip} child.\n     *\n     * @param {Object} seekBarRect\n     *        The `ClientRect` for the {@link SeekBar} element.\n     *\n     * @param {number} seekBarPoint\n     *        A number from 0 to 1, representing a horizontal reference point\n     *        from the left edge of the {@link SeekBar}\n     */\n    ;\n\n    _proto.update = function update(seekBarRect, seekBarPoint) {\n      var _this2 = this;\n\n      var time = seekBarPoint * this.player_.duration();\n      this.getChild('timeTooltip').updateTime(seekBarRect, seekBarPoint, time, function () {\n        _this2.el_.style.left = seekBarRect.width * seekBarPoint + \"px\";\n      });\n    };\n\n    return MouseTimeDisplay;\n  }(Component);\n  /**\n   * Default options for `MouseTimeDisplay`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  MouseTimeDisplay.prototype.options_ = {\n    children: ['timeTooltip']\n  };\n  Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);\n\n  var STEP_SECONDS = 5; // The multiplier of STEP_SECONDS that PgUp/PgDown move the timeline.\n\n  var PAGE_KEY_MULTIPLIER = 12;\n  /**\n   * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}\n   * as its `bar`.\n   *\n   * @extends Slider\n   */\n\n  var SeekBar = /*#__PURE__*/function (_Slider) {\n    inheritsLoose(SeekBar, _Slider);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function SeekBar(player, options) {\n      var _this;\n\n      _this = _Slider.call(this, player, options) || this;\n\n      _this.setEventHandlers_();\n\n      return _this;\n    }\n    /**\n     * Sets the event handlers\n     *\n     * @private\n     */\n\n\n    var _proto = SeekBar.prototype;\n\n    _proto.setEventHandlers_ = function setEventHandlers_() {\n      this.update_ = bind(this, this.update);\n      this.update = throttle(this.update_, UPDATE_REFRESH_INTERVAL);\n      this.on(this.player_, ['ended', 'durationchange', 'timeupdate'], this.update);\n\n      if (this.player_.liveTracker) {\n        this.on(this.player_.liveTracker, 'liveedgechange', this.update);\n      } // when playing, let's ensure we smoothly update the play progress bar\n      // via an interval\n\n\n      this.updateInterval = null;\n      this.on(this.player_, ['playing'], this.enableInterval_);\n      this.on(this.player_, ['ended', 'pause', 'waiting'], this.disableInterval_); // we don't need to update the play progress if the document is hidden,\n      // also, this causes the CPU to spike and eventually crash the page on IE11.\n\n      if ('hidden' in document && 'visibilityState' in document) {\n        this.on(document, 'visibilitychange', this.toggleVisibility_);\n      }\n    };\n\n    _proto.toggleVisibility_ = function toggleVisibility_(e) {\n      if (document.hidden) {\n        this.disableInterval_(e);\n      } else {\n        this.enableInterval_(); // we just switched back to the page and someone may be looking, so, update ASAP\n\n        this.update();\n      }\n    };\n\n    _proto.enableInterval_ = function enableInterval_() {\n      if (this.updateInterval) {\n        return;\n      }\n\n      this.updateInterval = this.setInterval(this.update, UPDATE_REFRESH_INTERVAL);\n    };\n\n    _proto.disableInterval_ = function disableInterval_(e) {\n      if (this.player_.liveTracker && this.player_.liveTracker.isLive() && e.type !== 'ended') {\n        return;\n      }\n\n      if (!this.updateInterval) {\n        return;\n      }\n\n      this.clearInterval(this.updateInterval);\n      this.updateInterval = null;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Slider.prototype.createEl.call(this, 'div', {\n        className: 'vjs-progress-holder'\n      }, {\n        'aria-label': this.localize('Progress Bar')\n      });\n    }\n    /**\n     * This function updates the play progress bar and accessibility\n     * attributes to whatever is passed in.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `timeupdate` or `ended` event that caused this to run.\n     *\n     * @listens Player#timeupdate\n     *\n     * @return {number}\n     *          The current percent at a number from 0-1\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var _this2 = this;\n\n      var percent = _Slider.prototype.update.call(this);\n\n      this.requestAnimationFrame(function () {\n        var currentTime = _this2.player_.ended() ? _this2.player_.duration() : _this2.getCurrentTime_();\n        var liveTracker = _this2.player_.liveTracker;\n\n        var duration = _this2.player_.duration();\n\n        if (liveTracker && liveTracker.isLive()) {\n          duration = _this2.player_.liveTracker.liveCurrentTime();\n        }\n\n        if (_this2.percent_ !== percent) {\n          // machine readable value of progress bar (percentage complete)\n          _this2.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));\n\n          _this2.percent_ = percent;\n        }\n\n        if (_this2.currentTime_ !== currentTime || _this2.duration_ !== duration) {\n          // human readable value of progress bar (time complete)\n          _this2.el_.setAttribute('aria-valuetext', _this2.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));\n\n          _this2.currentTime_ = currentTime;\n          _this2.duration_ = duration;\n        } // update the progress bar time tooltip with the current time\n\n\n        if (_this2.bar) {\n          _this2.bar.update(getBoundingClientRect(_this2.el()), _this2.getProgress());\n        }\n      });\n      return percent;\n    }\n    /**\n     * Get the value of current time but allows for smooth scrubbing,\n     * when player can't keep up.\n     *\n     * @return {number}\n     *         The current time value to display\n     *\n     * @private\n     */\n    ;\n\n    _proto.getCurrentTime_ = function getCurrentTime_() {\n      return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();\n    }\n    /**\n     * Get the percentage of media played so far.\n     *\n     * @return {number}\n     *         The percentage of media played so far (0 to 1).\n     */\n    ;\n\n    _proto.getPercent = function getPercent() {\n      var currentTime = this.getCurrentTime_();\n      var percent;\n      var liveTracker = this.player_.liveTracker;\n\n      if (liveTracker && liveTracker.isLive()) {\n        percent = (currentTime - liveTracker.seekableStart()) / liveTracker.liveWindow(); // prevent the percent from changing at the live edge\n\n        if (liveTracker.atLiveEdge()) {\n          percent = 1;\n        }\n      } else {\n        percent = currentTime / this.player_.duration();\n      }\n\n      return percent;\n    }\n    /**\n     * Handle mouse down on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousedown` event that caused this to run.\n     *\n     * @listens mousedown\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      } // Stop event propagation to prevent double fire in progress-control.js\n\n\n      event.stopPropagation();\n      this.player_.scrubbing(true);\n      this.videoWasPlaying = !this.player_.paused();\n      this.player_.pause();\n\n      _Slider.prototype.handleMouseDown.call(this, event);\n    }\n    /**\n     * Handle mouse move on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this to run.\n     *\n     * @listens mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      var newTime;\n      var distance = this.calculateDistance(event);\n      var liveTracker = this.player_.liveTracker;\n\n      if (!liveTracker || !liveTracker.isLive()) {\n        newTime = distance * this.player_.duration(); // Don't let video end while scrubbing.\n\n        if (newTime === this.player_.duration()) {\n          newTime = newTime - 0.1;\n        }\n      } else {\n        var seekableStart = liveTracker.seekableStart();\n        var seekableEnd = liveTracker.liveCurrentTime();\n        newTime = seekableStart + distance * liveTracker.liveWindow(); // Don't let video end while scrubbing.\n\n        if (newTime >= seekableEnd) {\n          newTime = seekableEnd;\n        } // Compensate for precision differences so that currentTime is not less\n        // than seekable start\n\n\n        if (newTime <= seekableStart) {\n          newTime = seekableStart + 0.1;\n        } // On android seekableEnd can be Infinity sometimes,\n        // this will cause newTime to be Infinity, which is\n        // not a valid currentTime.\n\n\n        if (newTime === Infinity) {\n          return;\n        }\n      } // Set new time (tell player to seek to new time)\n\n\n      this.player_.currentTime(newTime);\n    };\n\n    _proto.enable = function enable() {\n      _Slider.prototype.enable.call(this);\n\n      var mouseTimeDisplay = this.getChild('mouseTimeDisplay');\n\n      if (!mouseTimeDisplay) {\n        return;\n      }\n\n      mouseTimeDisplay.show();\n    };\n\n    _proto.disable = function disable() {\n      _Slider.prototype.disable.call(this);\n\n      var mouseTimeDisplay = this.getChild('mouseTimeDisplay');\n\n      if (!mouseTimeDisplay) {\n        return;\n      }\n\n      mouseTimeDisplay.hide();\n    }\n    /**\n     * Handle mouse up on seek bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseup` event that caused this to run.\n     *\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      _Slider.prototype.handleMouseUp.call(this, event); // Stop event propagation to prevent double fire in progress-control.js\n\n\n      if (event) {\n        event.stopPropagation();\n      }\n\n      this.player_.scrubbing(false);\n      /**\n       * Trigger timeupdate because we're done seeking and the time has changed.\n       * This is particularly useful for if the player is paused to time the time displays.\n       *\n       * @event Tech#timeupdate\n       * @type {EventTarget~Event}\n       */\n\n      this.player_.trigger({\n        type: 'timeupdate',\n        target: this,\n        manuallyTriggered: true\n      });\n\n      if (this.videoWasPlaying) {\n        silencePromise(this.player_.play());\n      } else {\n        // We're done seeking and the time has changed.\n        // If the player is paused, make sure we display the correct time on the seek bar.\n        this.update_();\n      }\n    }\n    /**\n     * Move more quickly fast forward for keyboard-only users\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);\n    }\n    /**\n     * Move more quickly rewind for keyboard-only users\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);\n    }\n    /**\n     * Toggles the playback state of the player\n     * This gets called when enter or space is used on the seekbar\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called\n     *\n     */\n    ;\n\n    _proto.handleAction = function handleAction(event) {\n      if (this.player_.paused()) {\n        this.player_.play();\n      } else {\n        this.player_.pause();\n      }\n    }\n    /**\n     * Called when this SeekBar has focus and a key gets pressed down.\n     * Supports the following keys:\n     *\n     *   Space or Enter key fire a click event\n     *   Home key moves to start of the timeline\n     *   End key moves to end of the timeline\n     *   Digit \"0\" through \"9\" keys move to 0%, 10% ... 80%, 90% of the timeline\n     *   PageDown key moves back a larger step than ArrowDown\n     *   PageUp key moves forward a large step\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (keycode.isEventKey(event, 'Space') || keycode.isEventKey(event, 'Enter')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.handleAction(event);\n      } else if (keycode.isEventKey(event, 'Home')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(0);\n      } else if (keycode.isEventKey(event, 'End')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.duration());\n      } else if (/^[0-9]$/.test(keycode(event))) {\n        event.preventDefault();\n        event.stopPropagation();\n        var gotoFraction = (keycode.codes[keycode(event)] - keycode.codes['0']) * 10.0 / 100.0;\n        this.player_.currentTime(this.player_.duration() * gotoFraction);\n      } else if (keycode.isEventKey(event, 'PgDn')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS * PAGE_KEY_MULTIPLIER);\n      } else if (keycode.isEventKey(event, 'PgUp')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS * PAGE_KEY_MULTIPLIER);\n      } else {\n        // Pass keydown handling up for unsupported keys\n        _Slider.prototype.handleKeyDown.call(this, event);\n      }\n    };\n\n    return SeekBar;\n  }(Slider);\n  /**\n   * Default options for the `SeekBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  SeekBar.prototype.options_ = {\n    children: ['loadProgressBar', 'playProgressBar'],\n    barName: 'playProgressBar'\n  }; // MouseTimeDisplay tooltips should not be added to a player on mobile devices\n\n  if (!IS_IOS && !IS_ANDROID) {\n    SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');\n  }\n\n  Component.registerComponent('SeekBar', SeekBar);\n\n  /**\n   * The Progress Control component contains the seek bar, load progress,\n   * and play progress.\n   *\n   * @extends Component\n   */\n\n  var ProgressControl = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ProgressControl, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function ProgressControl(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n      _this.handleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);\n      _this.throttledHandleMouseSeek = throttle(bind(assertThisInitialized(_this), _this.handleMouseSeek), UPDATE_REFRESH_INTERVAL);\n\n      _this.enable();\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = ProgressControl.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-progress-control vjs-control'\n      });\n    }\n    /**\n     * When the mouse moves over the `ProgressControl`, the pointer position\n     * gets passed down to the `MouseTimeDisplay` component.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this function to run.\n     *\n     * @listen mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      var seekBar = this.getChild('seekBar');\n\n      if (!seekBar) {\n        return;\n      }\n\n      var playProgressBar = seekBar.getChild('playProgressBar');\n      var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');\n\n      if (!playProgressBar && !mouseTimeDisplay) {\n        return;\n      }\n\n      var seekBarEl = seekBar.el();\n      var seekBarRect = getBoundingClientRect(seekBarEl);\n      var seekBarPoint = getPointerPosition(seekBarEl, event).x; // The default skin has a gap on either side of the `SeekBar`. This means\n      // that it's possible to trigger this behavior outside the boundaries of\n      // the `SeekBar`. This ensures we stay within it at all times.\n\n      seekBarPoint = clamp(0, 1, seekBarPoint);\n\n      if (mouseTimeDisplay) {\n        mouseTimeDisplay.update(seekBarRect, seekBarPoint);\n      }\n\n      if (playProgressBar) {\n        playProgressBar.update(seekBarRect, seekBar.getProgress());\n      }\n    }\n    /**\n     * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.\n     *\n     * @method ProgressControl#throttledHandleMouseSeek\n     * @param {EventTarget~Event} event\n     *        The `mousemove` event that caused this function to run.\n     *\n     * @listen mousemove\n     * @listen touchmove\n     */\n\n    /**\n     * Handle `mousemove` or `touchmove` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousemove\n     * @listens touchmove\n     */\n    ;\n\n    _proto.handleMouseSeek = function handleMouseSeek(event) {\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseMove(event);\n      }\n    }\n    /**\n     * Are controls are currently enabled for this progress control.\n     *\n     * @return {boolean}\n     *         true if controls are enabled, false otherwise\n     */\n    ;\n\n    _proto.enabled = function enabled() {\n      return this.enabled_;\n    }\n    /**\n     * Disable all controls on the progress control and its children\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.children().forEach(function (child) {\n        return child.disable && child.disable();\n      });\n\n      if (!this.enabled()) {\n        return;\n      }\n\n      this.off(['mousedown', 'touchstart'], this.handleMouseDown);\n      this.off(this.el_, 'mousemove', this.handleMouseMove);\n      this.handleMouseUp();\n      this.addClass('disabled');\n      this.enabled_ = false;\n    }\n    /**\n     * Enable all controls on the progress control and its children\n     */\n    ;\n\n    _proto.enable = function enable() {\n      this.children().forEach(function (child) {\n        return child.enable && child.enable();\n      });\n\n      if (this.enabled()) {\n        return;\n      }\n\n      this.on(['mousedown', 'touchstart'], this.handleMouseDown);\n      this.on(this.el_, 'mousemove', this.handleMouseMove);\n      this.removeClass('disabled');\n      this.enabled_ = true;\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.el_.ownerDocument;\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseDown(event);\n      }\n\n      this.on(doc, 'mousemove', this.throttledHandleMouseSeek);\n      this.on(doc, 'touchmove', this.throttledHandleMouseSeek);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mouseup` or `touchend` events on the `ProgressControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      var doc = this.el_.ownerDocument;\n      var seekBar = this.getChild('seekBar');\n\n      if (seekBar) {\n        seekBar.handleMouseUp(event);\n      }\n\n      this.off(doc, 'mousemove', this.throttledHandleMouseSeek);\n      this.off(doc, 'touchmove', this.throttledHandleMouseSeek);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchend', this.handleMouseUp);\n    };\n\n    return ProgressControl;\n  }(Component);\n  /**\n   * Default options for `ProgressControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ProgressControl.prototype.options_ = {\n    children: ['seekBar']\n  };\n  Component.registerComponent('ProgressControl', ProgressControl);\n\n  /**\n   * Toggle Picture-in-Picture mode\n   *\n   * @extends Button\n   */\n\n  var PictureInPictureToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(PictureInPictureToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @listens Player#enterpictureinpicture\n     * @listens Player#leavepictureinpicture\n     */\n    function PictureInPictureToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.on(player, ['enterpictureinpicture', 'leavepictureinpicture'], _this.handlePictureInPictureChange); // TODO: Activate button on player loadedmetadata event.\n      // TODO: Deactivate button on player emptied event.\n      // TODO: Deactivate button if disablepictureinpicture attribute is present.\n\n\n      if (!document.pictureInPictureEnabled) {\n        _this.disable();\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = PictureInPictureToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-picture-in-picture-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Handles enterpictureinpicture and leavepictureinpicture on the player and change control text accordingly.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#enterpictureinpicture} or {@link Player#leavepictureinpicture} event that caused this function to be\n     *        called.\n     *\n     * @listens Player#enterpictureinpicture\n     * @listens Player#leavepictureinpicture\n     */\n    ;\n\n    _proto.handlePictureInPictureChange = function handlePictureInPictureChange(event) {\n      if (this.player_.isInPictureInPicture()) {\n        this.controlText('Exit Picture-in-Picture');\n      } else {\n        this.controlText('Picture-in-Picture');\n      }\n    }\n    /**\n     * This gets called when an `PictureInPictureToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (!this.player_.isInPictureInPicture()) {\n        this.player_.requestPictureInPicture();\n      } else {\n        this.player_.exitPictureInPicture();\n      }\n    };\n\n    return PictureInPictureToggle;\n  }(Button);\n  /**\n   * The text that should display over the `PictureInPictureToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PictureInPictureToggle.prototype.controlText_ = 'Picture-in-Picture';\n  Component.registerComponent('PictureInPictureToggle', PictureInPictureToggle);\n\n  /**\n   * Toggle fullscreen video\n   *\n   * @extends Button\n   */\n\n  var FullscreenToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(FullscreenToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function FullscreenToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this;\n\n      _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);\n\n      if (document[player.fsApi_.fullscreenEnabled] === false) {\n        _this.disable();\n      }\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = FullscreenToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-fullscreen-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Handles fullscreenchange on the player and change control text accordingly.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#fullscreenchange} event that caused this function to be\n     *        called.\n     *\n     * @listens Player#fullscreenchange\n     */\n    ;\n\n    _proto.handleFullscreenChange = function handleFullscreenChange(event) {\n      if (this.player_.isFullscreen()) {\n        this.controlText('Non-Fullscreen');\n      } else {\n        this.controlText('Fullscreen');\n      }\n    }\n    /**\n     * This gets called when an `FullscreenToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (!this.player_.isFullscreen()) {\n        this.player_.requestFullscreen();\n      } else {\n        this.player_.exitFullscreen();\n      }\n    };\n\n    return FullscreenToggle;\n  }(Button);\n  /**\n   * The text that should display over the `FullscreenToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  FullscreenToggle.prototype.controlText_ = 'Fullscreen';\n  Component.registerComponent('FullscreenToggle', FullscreenToggle);\n\n  /**\n   * Check if volume control is supported and if it isn't hide the\n   * `Component` that was passed  using the `vjs-hidden` class.\n   *\n   * @param {Component} self\n   *        The component that should be hidden if volume is unsupported\n   *\n   * @param {Player} player\n   *        A reference to the player\n   *\n   * @private\n   */\n  var checkVolumeSupport = function checkVolumeSupport(self, player) {\n    // hide volume controls when they're not supported by the current tech\n    if (player.tech_ && !player.tech_.featuresVolumeControl) {\n      self.addClass('vjs-hidden');\n    }\n\n    self.on(player, 'loadstart', function () {\n      if (!player.tech_.featuresVolumeControl) {\n        self.addClass('vjs-hidden');\n      } else {\n        self.removeClass('vjs-hidden');\n      }\n    });\n  };\n\n  /**\n   * Shows volume level\n   *\n   * @extends Component\n   */\n\n  var VolumeLevel = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumeLevel, _Component);\n\n    function VolumeLevel() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = VolumeLevel.prototype;\n\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-volume-level',\n        innerHTML: '<span class=\"vjs-control-text\"></span>'\n      });\n    };\n\n    return VolumeLevel;\n  }(Component);\n\n  Component.registerComponent('VolumeLevel', VolumeLevel);\n\n  /**\n   * The bar that contains the volume level and can be clicked on to adjust the level\n   *\n   * @extends Slider\n   */\n\n  var VolumeBar = /*#__PURE__*/function (_Slider) {\n    inheritsLoose(VolumeBar, _Slider);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function VolumeBar(player, options) {\n      var _this;\n\n      _this = _Slider.call(this, player, options) || this;\n\n      _this.on('slideractive', _this.updateLastVolume_);\n\n      _this.on(player, 'volumechange', _this.updateARIAAttributes);\n\n      player.ready(function () {\n        return _this.updateARIAAttributes();\n      });\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = VolumeBar.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Slider.prototype.createEl.call(this, 'div', {\n        className: 'vjs-volume-bar vjs-slider-bar'\n      }, {\n        'aria-label': this.localize('Volume Level'),\n        'aria-live': 'polite'\n      });\n    }\n    /**\n     * Handle mouse down on volume bar\n     *\n     * @param {EventTarget~Event} event\n     *        The `mousedown` event that caused this to run.\n     *\n     * @listens mousedown\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      _Slider.prototype.handleMouseDown.call(this, event);\n    }\n    /**\n     * Handle movement events on the {@link VolumeMenuButton}.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run.\n     *\n     * @listens mousemove\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      }\n\n      this.checkMuted();\n      this.player_.volume(this.calculateDistance(event));\n    }\n    /**\n     * If the player is muted unmute it.\n     */\n    ;\n\n    _proto.checkMuted = function checkMuted() {\n      if (this.player_.muted()) {\n        this.player_.muted(false);\n      }\n    }\n    /**\n     * Get percent of volume level\n     *\n     * @return {number}\n     *         Volume level percent as a decimal number.\n     */\n    ;\n\n    _proto.getPercent = function getPercent() {\n      if (this.player_.muted()) {\n        return 0;\n      }\n\n      return this.player_.volume();\n    }\n    /**\n     * Increase volume level for keyboard users\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      this.checkMuted();\n      this.player_.volume(this.player_.volume() + 0.1);\n    }\n    /**\n     * Decrease volume level for keyboard users\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      this.checkMuted();\n      this.player_.volume(this.player_.volume() - 0.1);\n    }\n    /**\n     * Update ARIA accessibility attributes\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `volumechange` event that caused this function to run.\n     *\n     * @listens Player#volumechange\n     */\n    ;\n\n    _proto.updateARIAAttributes = function updateARIAAttributes(event) {\n      var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();\n      this.el_.setAttribute('aria-valuenow', ariaValue);\n      this.el_.setAttribute('aria-valuetext', ariaValue + '%');\n    }\n    /**\n     * Returns the current value of the player volume as a percentage\n     *\n     * @private\n     */\n    ;\n\n    _proto.volumeAsPercentage_ = function volumeAsPercentage_() {\n      return Math.round(this.player_.volume() * 100);\n    }\n    /**\n     * When user starts dragging the VolumeBar, store the volume and listen for\n     * the end of the drag. When the drag ends, if the volume was set to zero,\n     * set lastVolume to the stored volume.\n     *\n     * @listens slideractive\n     * @private\n     */\n    ;\n\n    _proto.updateLastVolume_ = function updateLastVolume_() {\n      var _this2 = this;\n\n      var volumeBeforeDrag = this.player_.volume();\n      this.one('sliderinactive', function () {\n        if (_this2.player_.volume() === 0) {\n          _this2.player_.lastVolume_(volumeBeforeDrag);\n        }\n      });\n    };\n\n    return VolumeBar;\n  }(Slider);\n  /**\n   * Default options for the `VolumeBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumeBar.prototype.options_ = {\n    children: ['volumeLevel'],\n    barName: 'volumeLevel'\n  };\n  /**\n   * Call the update event for this Slider when this event happens on the player.\n   *\n   * @type {string}\n   */\n\n  VolumeBar.prototype.playerEvent = 'volumechange';\n  Component.registerComponent('VolumeBar', VolumeBar);\n\n  /**\n   * The component for controlling the volume level\n   *\n   * @extends Component\n   */\n\n  var VolumeControl = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumeControl, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function VolumeControl(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.vertical = options.vertical || false; // Pass the vertical option down to the VolumeBar if\n      // the VolumeBar is turned on.\n\n      if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {\n        options.volumeBar = options.volumeBar || {};\n        options.volumeBar.vertical = options.vertical;\n      }\n\n      _this = _Component.call(this, player, options) || this; // hide this control if volume support is missing\n\n      checkVolumeSupport(assertThisInitialized(_this), player);\n      _this.throttledHandleMouseMove = throttle(bind(assertThisInitialized(_this), _this.handleMouseMove), UPDATE_REFRESH_INTERVAL);\n\n      _this.on('mousedown', _this.handleMouseDown);\n\n      _this.on('touchstart', _this.handleMouseDown); // while the slider is active (the mouse has been pressed down and\n      // is dragging) or in focus we do not want to hide the VolumeBar\n\n\n      _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {\n        _this.volumeBar.addClass('vjs-slider-active');\n\n        _this.addClass('vjs-slider-active');\n\n        _this.trigger('slideractive');\n      });\n\n      _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {\n        _this.volumeBar.removeClass('vjs-slider-active');\n\n        _this.removeClass('vjs-slider-active');\n\n        _this.trigger('sliderinactive');\n      });\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = VolumeControl.prototype;\n\n    _proto.createEl = function createEl() {\n      var orientationClass = 'vjs-volume-horizontal';\n\n      if (this.options_.vertical) {\n        orientationClass = 'vjs-volume-vertical';\n      }\n\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: \"vjs-volume-control vjs-control \" + orientationClass\n      });\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseDown = function handleMouseDown(event) {\n      var doc = this.el_.ownerDocument;\n      this.on(doc, 'mousemove', this.throttledHandleMouseMove);\n      this.on(doc, 'touchmove', this.throttledHandleMouseMove);\n      this.on(doc, 'mouseup', this.handleMouseUp);\n      this.on(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mouseup` or `touchend` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mouseup` or `touchend` event that triggered this function.\n     *\n     * @listens touchend\n     * @listens mouseup\n     */\n    ;\n\n    _proto.handleMouseUp = function handleMouseUp(event) {\n      var doc = this.el_.ownerDocument;\n      this.off(doc, 'mousemove', this.throttledHandleMouseMove);\n      this.off(doc, 'touchmove', this.throttledHandleMouseMove);\n      this.off(doc, 'mouseup', this.handleMouseUp);\n      this.off(doc, 'touchend', this.handleMouseUp);\n    }\n    /**\n     * Handle `mousedown` or `touchstart` events on the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        `mousedown` or `touchstart` event that triggered this function\n     *\n     * @listens mousedown\n     * @listens touchstart\n     */\n    ;\n\n    _proto.handleMouseMove = function handleMouseMove(event) {\n      this.volumeBar.handleMouseMove(event);\n    };\n\n    return VolumeControl;\n  }(Component);\n  /**\n   * Default options for the `VolumeControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumeControl.prototype.options_ = {\n    children: ['volumeBar']\n  };\n  Component.registerComponent('VolumeControl', VolumeControl);\n\n  /**\n   * Check if muting volume is supported and if it isn't hide the mute toggle\n   * button.\n   *\n   * @param {Component} self\n   *        A reference to the mute toggle button\n   *\n   * @param {Player} player\n   *        A reference to the player\n   *\n   * @private\n   */\n  var checkMuteSupport = function checkMuteSupport(self, player) {\n    // hide mute toggle button if it's not supported by the current tech\n    if (player.tech_ && !player.tech_.featuresMuteControl) {\n      self.addClass('vjs-hidden');\n    }\n\n    self.on(player, 'loadstart', function () {\n      if (!player.tech_.featuresMuteControl) {\n        self.addClass('vjs-hidden');\n      } else {\n        self.removeClass('vjs-hidden');\n      }\n    });\n  };\n\n  /**\n   * A button component for muting the audio.\n   *\n   * @extends Button\n   */\n\n  var MuteToggle = /*#__PURE__*/function (_Button) {\n    inheritsLoose(MuteToggle, _Button);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function MuteToggle(player, options) {\n      var _this;\n\n      _this = _Button.call(this, player, options) || this; // hide this control if volume support is missing\n\n      checkMuteSupport(assertThisInitialized(_this), player);\n\n      _this.on(player, ['loadstart', 'volumechange'], _this.update);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = MuteToggle.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-mute-control \" + _Button.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * This gets called when an `MuteToggle` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var vol = this.player_.volume();\n      var lastVolume = this.player_.lastVolume_();\n\n      if (vol === 0) {\n        var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;\n        this.player_.volume(volumeToSet);\n        this.player_.muted(false);\n      } else {\n        this.player_.muted(this.player_.muted() ? false : true);\n      }\n    }\n    /**\n     * Update the `MuteToggle` button based on the state of `volume` and `muted`\n     * on the player.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link Player#loadstart} event if this function was called\n     *        through an event.\n     *\n     * @listens Player#loadstart\n     * @listens Player#volumechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      this.updateIcon_();\n      this.updateControlText_();\n    }\n    /**\n     * Update the appearance of the `MuteToggle` icon.\n     *\n     * Possible states (given `level` variable below):\n     * - 0: crossed out\n     * - 1: zero bars of volume\n     * - 2: one bar of volume\n     * - 3: two bars of volume\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateIcon_ = function updateIcon_() {\n      var vol = this.player_.volume();\n      var level = 3; // in iOS when a player is loaded with muted attribute\n      // and volume is changed with a native mute button\n      // we want to make sure muted state is updated\n\n      if (IS_IOS && this.player_.tech_ && this.player_.tech_.el_) {\n        this.player_.muted(this.player_.tech_.el_.muted);\n      }\n\n      if (vol === 0 || this.player_.muted()) {\n        level = 0;\n      } else if (vol < 0.33) {\n        level = 1;\n      } else if (vol < 0.67) {\n        level = 2;\n      } // TODO improve muted icon classes\n\n\n      for (var i = 0; i < 4; i++) {\n        removeClass(this.el_, \"vjs-vol-\" + i);\n      }\n\n      addClass(this.el_, \"vjs-vol-\" + level);\n    }\n    /**\n     * If `muted` has changed on the player, update the control text\n     * (`title` attribute on `vjs-mute-control` element and content of\n     * `vjs-control-text` element).\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateControlText_ = function updateControlText_() {\n      var soundOff = this.player_.muted() || this.player_.volume() === 0;\n      var text = soundOff ? 'Unmute' : 'Mute';\n\n      if (this.controlText() !== text) {\n        this.controlText(text);\n      }\n    };\n\n    return MuteToggle;\n  }(Button);\n  /**\n   * The text that should display over the `MuteToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  MuteToggle.prototype.controlText_ = 'Mute';\n  Component.registerComponent('MuteToggle', MuteToggle);\n\n  /**\n   * A Component to contain the MuteToggle and VolumeControl so that\n   * they can work together.\n   *\n   * @extends Component\n   */\n\n  var VolumePanel = /*#__PURE__*/function (_Component) {\n    inheritsLoose(VolumePanel, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function VolumePanel(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      if (typeof options.inline !== 'undefined') {\n        options.inline = options.inline;\n      } else {\n        options.inline = true;\n      } // pass the inline option down to the VolumeControl as vertical if\n      // the VolumeControl is on.\n\n\n      if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {\n        options.volumeControl = options.volumeControl || {};\n        options.volumeControl.vertical = !options.inline;\n      }\n\n      _this = _Component.call(this, player, options) || this;\n\n      _this.on(player, ['loadstart'], _this.volumePanelState_);\n\n      _this.on(_this.muteToggle, 'keyup', _this.handleKeyPress);\n\n      _this.on(_this.volumeControl, 'keyup', _this.handleVolumeControlKeyUp);\n\n      _this.on('keydown', _this.handleKeyPress);\n\n      _this.on('mouseover', _this.handleMouseOver);\n\n      _this.on('mouseout', _this.handleMouseOut); // while the slider is active (the mouse has been pressed down and\n      // is dragging) we do not want to hide the VolumeBar\n\n\n      _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);\n\n      _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);\n\n      return _this;\n    }\n    /**\n     * Add vjs-slider-active class to the VolumePanel\n     *\n     * @listens VolumeControl#slideractive\n     * @private\n     */\n\n\n    var _proto = VolumePanel.prototype;\n\n    _proto.sliderActive_ = function sliderActive_() {\n      this.addClass('vjs-slider-active');\n    }\n    /**\n     * Removes vjs-slider-active class to the VolumePanel\n     *\n     * @listens VolumeControl#sliderinactive\n     * @private\n     */\n    ;\n\n    _proto.sliderInactive_ = function sliderInactive_() {\n      this.removeClass('vjs-slider-active');\n    }\n    /**\n     * Adds vjs-hidden or vjs-mute-toggle-only to the VolumePanel\n     * depending on MuteToggle and VolumeControl state\n     *\n     * @listens Player#loadstart\n     * @private\n     */\n    ;\n\n    _proto.volumePanelState_ = function volumePanelState_() {\n      // hide volume panel if neither volume control or mute toggle\n      // are displayed\n      if (this.volumeControl.hasClass('vjs-hidden') && this.muteToggle.hasClass('vjs-hidden')) {\n        this.addClass('vjs-hidden');\n      } // if only mute toggle is visible we don't want\n      // volume panel expanding when hovered or active\n\n\n      if (this.volumeControl.hasClass('vjs-hidden') && !this.muteToggle.hasClass('vjs-hidden')) {\n        this.addClass('vjs-mute-toggle-only');\n      }\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var orientationClass = 'vjs-volume-panel-horizontal';\n\n      if (!this.options_.inline) {\n        orientationClass = 'vjs-volume-panel-vertical';\n      }\n\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: \"vjs-volume-panel vjs-control \" + orientationClass\n      });\n    }\n    /**\n     * Dispose of the `volume-panel` and all child components.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.handleMouseOut();\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Handles `keyup` events on the `VolumeControl`, looking for ESC, which closes\n     * the volume panel and sets focus on `MuteToggle`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keyup` event that caused this function to be called.\n     *\n     * @listens keyup\n     */\n    ;\n\n    _proto.handleVolumeControlKeyUp = function handleVolumeControlKeyUp(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        this.muteToggle.focus();\n      }\n    }\n    /**\n     * This gets called when a `VolumePanel` gains hover via a `mouseover` event.\n     * Turns on listening for `mouseover` event. When they happen it\n     * calls `this.handleMouseOver`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseover` event that caused this function to be called.\n     *\n     * @listens mouseover\n     */\n    ;\n\n    _proto.handleMouseOver = function handleMouseOver(event) {\n      this.addClass('vjs-hover');\n      on(document, 'keyup', bind(this, this.handleKeyPress));\n    }\n    /**\n     * This gets called when a `VolumePanel` gains hover via a `mouseout` event.\n     * Turns on listening for `mouseout` event. When they happen it\n     * calls `this.handleMouseOut`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseout` event that caused this function to be called.\n     *\n     * @listens mouseout\n     */\n    ;\n\n    _proto.handleMouseOut = function handleMouseOut(event) {\n      this.removeClass('vjs-hover');\n      off(document, 'keyup', bind(this, this.handleKeyPress));\n    }\n    /**\n     * Handles `keyup` event on the document or `keydown` event on the `VolumePanel`,\n     * looking for ESC, which hides the `VolumeControl`.\n     *\n     * @param {EventTarget~Event} event\n     *        The keypress that triggered this event.\n     *\n     * @listens keydown | keyup\n     */\n    ;\n\n    _proto.handleKeyPress = function handleKeyPress(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        this.handleMouseOut();\n      }\n    };\n\n    return VolumePanel;\n  }(Component);\n  /**\n   * Default options for the `VolumeControl`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  VolumePanel.prototype.options_ = {\n    children: ['muteToggle', 'volumeControl']\n  };\n  Component.registerComponent('VolumePanel', VolumePanel);\n\n  /**\n   * The Menu component is used to build popup menus, including subtitle and\n   * captions selection menus.\n   *\n   * @extends Component\n   */\n\n  var Menu = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Menu, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Player} player\n     *        the player that this component should attach to\n     *\n     * @param {Object} [options]\n     *        Object of option names and values\n     *\n     */\n    function Menu(player, options) {\n      var _this;\n\n      _this = _Component.call(this, player, options) || this;\n\n      if (options) {\n        _this.menuButton_ = options.menuButton;\n      }\n\n      _this.focusedChild_ = -1;\n\n      _this.on('keydown', _this.handleKeyDown); // All the menu item instances share the same blur handler provided by the menu container.\n\n\n      _this.boundHandleBlur_ = bind(assertThisInitialized(_this), _this.handleBlur);\n      _this.boundHandleTapClick_ = bind(assertThisInitialized(_this), _this.handleTapClick);\n      return _this;\n    }\n    /**\n     * Add event listeners to the {@link MenuItem}.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem` to add listeners to.\n     *\n     */\n\n\n    var _proto = Menu.prototype;\n\n    _proto.addEventListenerForItem = function addEventListenerForItem(component) {\n      if (!(component instanceof Component)) {\n        return;\n      }\n\n      this.on(component, 'blur', this.boundHandleBlur_);\n      this.on(component, ['tap', 'click'], this.boundHandleTapClick_);\n    }\n    /**\n     * Remove event listeners from the {@link MenuItem}.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem` to remove listeners.\n     *\n     */\n    ;\n\n    _proto.removeEventListenerForItem = function removeEventListenerForItem(component) {\n      if (!(component instanceof Component)) {\n        return;\n      }\n\n      this.off(component, 'blur', this.boundHandleBlur_);\n      this.off(component, ['tap', 'click'], this.boundHandleTapClick_);\n    }\n    /**\n     * This method will be called indirectly when the component has been added\n     * before the component adds to the new menu instance by `addItem`.\n     * In this case, the original menu instance will remove the component\n     * by calling `removeChild`.\n     *\n     * @param {Object} component\n     *        The instance of the `MenuItem`\n     */\n    ;\n\n    _proto.removeChild = function removeChild(component) {\n      if (typeof component === 'string') {\n        component = this.getChild(component);\n      }\n\n      this.removeEventListenerForItem(component);\n\n      _Component.prototype.removeChild.call(this, component);\n    }\n    /**\n     * Add a {@link MenuItem} to the menu.\n     *\n     * @param {Object|string} component\n     *        The name or instance of the `MenuItem` to add.\n     *\n     */\n    ;\n\n    _proto.addItem = function addItem(component) {\n      var childComponent = this.addChild(component);\n\n      if (childComponent) {\n        this.addEventListenerForItem(childComponent);\n      }\n    }\n    /**\n     * Create the `Menu`s DOM element.\n     *\n     * @return {Element}\n     *         the element that was created\n     */\n    ;\n\n    _proto.createEl = function createEl$1() {\n      var contentElType = this.options_.contentElType || 'ul';\n      this.contentEl_ = createEl(contentElType, {\n        className: 'vjs-menu-content'\n      });\n      this.contentEl_.setAttribute('role', 'menu');\n\n      var el = _Component.prototype.createEl.call(this, 'div', {\n        append: this.contentEl_,\n        className: 'vjs-menu'\n      });\n\n      el.appendChild(this.contentEl_); // Prevent clicks from bubbling up. Needed for Menu Buttons,\n      // where a click on the parent is significant\n\n      on(el, 'click', function (event) {\n        event.preventDefault();\n        event.stopImmediatePropagation();\n      });\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.contentEl_ = null;\n      this.boundHandleBlur_ = null;\n      this.boundHandleTapClick_ = null;\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Called when a `MenuItem` loses focus.\n     *\n     * @param {EventTarget~Event} event\n     *        The `blur` event that caused this function to be called.\n     *\n     * @listens blur\n     */\n    ;\n\n    _proto.handleBlur = function handleBlur(event) {\n      var relatedTarget = event.relatedTarget || document.activeElement; // Close menu popup when a user clicks outside the menu\n\n      if (!this.children().some(function (element) {\n        return element.el() === relatedTarget;\n      })) {\n        var btn = this.menuButton_;\n\n        if (btn && btn.buttonPressed_ && relatedTarget !== btn.el().firstChild) {\n          btn.unpressButton();\n        }\n      }\n    }\n    /**\n     * Called when a `MenuItem` gets clicked or tapped.\n     *\n     * @param {EventTarget~Event} event\n     *        The `click` or `tap` event that caused this function to be called.\n     *\n     * @listens click,tap\n     */\n    ;\n\n    _proto.handleTapClick = function handleTapClick(event) {\n      // Unpress the associated MenuButton, and move focus back to it\n      if (this.menuButton_) {\n        this.menuButton_.unpressButton();\n        var childComponents = this.children();\n\n        if (!Array.isArray(childComponents)) {\n          return;\n        }\n\n        var foundComponent = childComponents.filter(function (component) {\n          return component.el() === event.target;\n        })[0];\n\n        if (!foundComponent) {\n          return;\n        } // don't focus menu button if item is a caption settings item\n        // because focus will move elsewhere\n\n\n        if (foundComponent.name() !== 'CaptionSettingsMenuItem') {\n          this.menuButton_.focus();\n        }\n      }\n    }\n    /**\n     * Handle a `keydown` event on this menu. This listener is added in the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        A `keydown` event that happened on the menu.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Left and Down Arrows\n      if (keycode.isEventKey(event, 'Left') || keycode.isEventKey(event, 'Down')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepForward(); // Up and Right Arrows\n      } else if (keycode.isEventKey(event, 'Right') || keycode.isEventKey(event, 'Up')) {\n        event.preventDefault();\n        event.stopPropagation();\n        this.stepBack();\n      }\n    }\n    /**\n     * Move to next (lower) menu item for keyboard users.\n     */\n    ;\n\n    _proto.stepForward = function stepForward() {\n      var stepChild = 0;\n\n      if (this.focusedChild_ !== undefined) {\n        stepChild = this.focusedChild_ + 1;\n      }\n\n      this.focus(stepChild);\n    }\n    /**\n     * Move to previous (higher) menu item for keyboard users.\n     */\n    ;\n\n    _proto.stepBack = function stepBack() {\n      var stepChild = 0;\n\n      if (this.focusedChild_ !== undefined) {\n        stepChild = this.focusedChild_ - 1;\n      }\n\n      this.focus(stepChild);\n    }\n    /**\n     * Set focus on a {@link MenuItem} in the `Menu`.\n     *\n     * @param {Object|string} [item=0]\n     *        Index of child item set focus on.\n     */\n    ;\n\n    _proto.focus = function focus(item) {\n      if (item === void 0) {\n        item = 0;\n      }\n\n      var children = this.children().slice();\n      var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);\n\n      if (haveTitle) {\n        children.shift();\n      }\n\n      if (children.length > 0) {\n        if (item < 0) {\n          item = 0;\n        } else if (item >= children.length) {\n          item = children.length - 1;\n        }\n\n        this.focusedChild_ = item;\n        children[item].el_.focus();\n      }\n    };\n\n    return Menu;\n  }(Component);\n\n  Component.registerComponent('Menu', Menu);\n\n  /**\n   * A `MenuButton` class for any popup {@link Menu}.\n   *\n   * @extends Component\n   */\n\n  var MenuButton = /*#__PURE__*/function (_Component) {\n    inheritsLoose(MenuButton, _Component);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function MenuButton(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _Component.call(this, player, options) || this;\n      _this.menuButton_ = new Button(player, options);\n\n      _this.menuButton_.controlText(_this.controlText_);\n\n      _this.menuButton_.el_.setAttribute('aria-haspopup', 'true'); // Add buildCSSClass values to the button, not the wrapper\n\n\n      var buttonClass = Button.prototype.buildCSSClass();\n      _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;\n\n      _this.menuButton_.removeClass('vjs-control');\n\n      _this.addChild(_this.menuButton_);\n\n      _this.update();\n\n      _this.enabled_ = true;\n\n      _this.on(_this.menuButton_, 'tap', _this.handleClick);\n\n      _this.on(_this.menuButton_, 'click', _this.handleClick);\n\n      _this.on(_this.menuButton_, 'keydown', _this.handleKeyDown);\n\n      _this.on(_this.menuButton_, 'mouseenter', function () {\n        _this.addClass('vjs-hover');\n\n        _this.menu.show();\n\n        on(document, 'keyup', bind(assertThisInitialized(_this), _this.handleMenuKeyUp));\n      });\n\n      _this.on('mouseleave', _this.handleMouseLeave);\n\n      _this.on('keydown', _this.handleSubmenuKeyDown);\n\n      return _this;\n    }\n    /**\n     * Update the menu based on the current state of its items.\n     */\n\n\n    var _proto = MenuButton.prototype;\n\n    _proto.update = function update() {\n      var menu = this.createMenu();\n\n      if (this.menu) {\n        this.menu.dispose();\n        this.removeChild(this.menu);\n      }\n\n      this.menu = menu;\n      this.addChild(menu);\n      /**\n       * Track the state of the menu button\n       *\n       * @type {Boolean}\n       * @private\n       */\n\n      this.buttonPressed_ = false;\n      this.menuButton_.el_.setAttribute('aria-expanded', 'false');\n\n      if (this.items && this.items.length <= this.hideThreshold_) {\n        this.hide();\n      } else {\n        this.show();\n      }\n    }\n    /**\n     * Create the menu and add all items to it.\n     *\n     * @return {Menu}\n     *         The constructed menu\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      var menu = new Menu(this.player_, {\n        menuButton: this\n      });\n      /**\n       * Hide the menu if the number of items is less than or equal to this threshold. This defaults\n       * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list\n       * it here because every time we run `createMenu` we need to reset the value.\n       *\n       * @protected\n       * @type {Number}\n       */\n\n      this.hideThreshold_ = 0; // Add a title list item to the top\n\n      if (this.options_.title) {\n        var titleEl = createEl('li', {\n          className: 'vjs-menu-title',\n          innerHTML: toTitleCase(this.options_.title),\n          tabIndex: -1\n        });\n        this.hideThreshold_ += 1;\n        var titleComponent = new Component(this.player_, {\n          el: titleEl\n        });\n        menu.addItem(titleComponent);\n      }\n\n      this.items = this.createItems();\n\n      if (this.items) {\n        // Add menu items to the menu\n        for (var i = 0; i < this.items.length; i++) {\n          menu.addItem(this.items[i]);\n        }\n      }\n\n      return menu;\n    }\n    /**\n     * Create the list of menu items. Specific to each subclass.\n     *\n     * @abstract\n     */\n    ;\n\n    _proto.createItems = function createItems() {}\n    /**\n     * Create the `MenuButtons`s DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildWrapperCSSClass()\n      }, {});\n    }\n    /**\n     * Allow sub components to stack CSS class names for the wrapper element\n     *\n     * @return {string}\n     *         The constructed wrapper DOM `className`\n     */\n    ;\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.\n\n      if (this.options_.inline === true) {\n        menuButtonClass += '-inline';\n      } else {\n        menuButtonClass += '-popup';\n      } // TODO: Fix the CSS so that this isn't necessary\n\n\n      var buttonClass = Button.prototype.buildCSSClass();\n      return \"vjs-menu-button \" + menuButtonClass + \" \" + buttonClass + \" \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      var menuButtonClass = 'vjs-menu-button'; // If the inline option is passed, we want to use different styles altogether.\n\n      if (this.options_.inline === true) {\n        menuButtonClass += '-inline';\n      } else {\n        menuButtonClass += '-popup';\n      }\n\n      return \"vjs-menu-button \" + menuButtonClass + \" \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Get or set the localized control text that will be used for accessibility.\n     *\n     * > NOTE: This will come from the internal `menuButton_` element.\n     *\n     * @param {string} [text]\n     *        Control text for element.\n     *\n     * @param {Element} [el=this.menuButton_.el()]\n     *        Element to set the title on.\n     *\n     * @return {string}\n     *         - The control text when getting\n     */\n    ;\n\n    _proto.controlText = function controlText(text, el) {\n      if (el === void 0) {\n        el = this.menuButton_.el();\n      }\n\n      return this.menuButton_.controlText(text, el);\n    }\n    /**\n     * Dispose of the `menu-button` and all child components.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.handleMouseLeave();\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Handle a click on a `MenuButton`.\n     * See {@link ClickableComponent#handleClick} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      if (this.buttonPressed_) {\n        this.unpressButton();\n      } else {\n        this.pressButton();\n      }\n    }\n    /**\n     * Handle `mouseleave` for `MenuButton`.\n     *\n     * @param {EventTarget~Event} event\n     *        The `mouseleave` event that caused this function to be called.\n     *\n     * @listens mouseleave\n     */\n    ;\n\n    _proto.handleMouseLeave = function handleMouseLeave(event) {\n      this.removeClass('vjs-hover');\n      off(document, 'keyup', bind(this, this.handleMenuKeyUp));\n    }\n    /**\n     * Set the focus to the actual button, not to this element\n     */\n    ;\n\n    _proto.focus = function focus() {\n      this.menuButton_.focus();\n    }\n    /**\n     * Remove the focus from the actual button, not this element\n     */\n    ;\n\n    _proto.blur = function blur() {\n      this.menuButton_.blur();\n    }\n    /**\n     * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See\n     * {@link ClickableComponent#handleKeyDown} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      // Escape or Tab unpress the 'button'\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        if (this.buttonPressed_) {\n          this.unpressButton();\n        } // Don't preventDefault for Tab key - we still want to lose focus\n\n\n        if (!keycode.isEventKey(event, 'Tab')) {\n          event.preventDefault(); // Set focus back to the menu button's button\n\n          this.menuButton_.focus();\n        } // Up Arrow or Down Arrow also 'press' the button to open the menu\n\n      } else if (keycode.isEventKey(event, 'Up') || keycode.isEventKey(event, 'Down')) {\n        if (!this.buttonPressed_) {\n          event.preventDefault();\n          this.pressButton();\n        }\n      }\n    }\n    /**\n     * Handle a `keyup` event on a `MenuButton`. The listener for this is added in\n     * the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        Key press event\n     *\n     * @listens keyup\n     */\n    ;\n\n    _proto.handleMenuKeyUp = function handleMenuKeyUp(event) {\n      // Escape hides popup menu\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        this.removeClass('vjs-hover');\n      }\n    }\n    /**\n     * This method name now delegates to `handleSubmenuKeyDown`. This means\n     * anyone calling `handleSubmenuKeyPress` will not see their method calls\n     * stop working.\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {\n      this.handleSubmenuKeyDown(event);\n    }\n    /**\n     * Handle a `keydown` event on a sub-menu. The listener for this is added in\n     * the constructor.\n     *\n     * @param {EventTarget~Event} event\n     *        Key press event\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleSubmenuKeyDown = function handleSubmenuKeyDown(event) {\n      // Escape or Tab unpress the 'button'\n      if (keycode.isEventKey(event, 'Esc') || keycode.isEventKey(event, 'Tab')) {\n        if (this.buttonPressed_) {\n          this.unpressButton();\n        } // Don't preventDefault for Tab key - we still want to lose focus\n\n\n        if (!keycode.isEventKey(event, 'Tab')) {\n          event.preventDefault(); // Set focus back to the menu button's button\n\n          this.menuButton_.focus();\n        }\n      }\n    }\n    /**\n     * Put the current `MenuButton` into a pressed state.\n     */\n    ;\n\n    _proto.pressButton = function pressButton() {\n      if (this.enabled_) {\n        this.buttonPressed_ = true;\n        this.menu.show();\n        this.menu.lockShowing();\n        this.menuButton_.el_.setAttribute('aria-expanded', 'true'); // set the focus into the submenu, except on iOS where it is resulting in\n        // undesired scrolling behavior when the player is in an iframe\n\n        if (IS_IOS && isInFrame()) {\n          // Return early so that the menu isn't focused\n          return;\n        }\n\n        this.menu.focus();\n      }\n    }\n    /**\n     * Take the current `MenuButton` out of a pressed state.\n     */\n    ;\n\n    _proto.unpressButton = function unpressButton() {\n      if (this.enabled_) {\n        this.buttonPressed_ = false;\n        this.menu.unlockShowing();\n        this.menu.hide();\n        this.menuButton_.el_.setAttribute('aria-expanded', 'false');\n      }\n    }\n    /**\n     * Disable the `MenuButton`. Don't allow it to be clicked.\n     */\n    ;\n\n    _proto.disable = function disable() {\n      this.unpressButton();\n      this.enabled_ = false;\n      this.addClass('vjs-disabled');\n      this.menuButton_.disable();\n    }\n    /**\n     * Enable the `MenuButton`. Allow it to be clicked.\n     */\n    ;\n\n    _proto.enable = function enable() {\n      this.enabled_ = true;\n      this.removeClass('vjs-disabled');\n      this.menuButton_.enable();\n    };\n\n    return MenuButton;\n  }(Component);\n\n  Component.registerComponent('MenuButton', MenuButton);\n\n  /**\n   * The base class for buttons that toggle specific  track types (e.g. subtitles).\n   *\n   * @extends MenuButton\n   */\n\n  var TrackButton = /*#__PURE__*/function (_MenuButton) {\n    inheritsLoose(TrackButton, _MenuButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TrackButton(player, options) {\n      var _this;\n\n      var tracks = options.tracks;\n      _this = _MenuButton.call(this, player, options) || this;\n\n      if (_this.items.length <= 1) {\n        _this.hide();\n      }\n\n      if (!tracks) {\n        return assertThisInitialized(_this);\n      }\n\n      var updateHandler = bind(assertThisInitialized(_this), _this.update);\n      tracks.addEventListener('removetrack', updateHandler);\n      tracks.addEventListener('addtrack', updateHandler);\n\n      _this.player_.on('ready', updateHandler);\n\n      _this.player_.on('dispose', function () {\n        tracks.removeEventListener('removetrack', updateHandler);\n        tracks.removeEventListener('addtrack', updateHandler);\n      });\n\n      return _this;\n    }\n\n    return TrackButton;\n  }(MenuButton);\n\n  Component.registerComponent('TrackButton', TrackButton);\n\n  /**\n   * @file menu-keys.js\n   */\n\n  /**\n    * All keys used for operation of a menu (`MenuButton`, `Menu`, and `MenuItem`)\n    * Note that 'Enter' and 'Space' are not included here (otherwise they would\n    * prevent the `MenuButton` and `MenuItem` from being keyboard-clickable)\n    * @typedef MenuKeys\n    * @array\n    */\n  var MenuKeys = ['Tab', 'Esc', 'Up', 'Down', 'Right', 'Left'];\n\n  /**\n   * The component for a menu item. `<li>`\n   *\n   * @extends ClickableComponent\n   */\n\n  var MenuItem = /*#__PURE__*/function (_ClickableComponent) {\n    inheritsLoose(MenuItem, _ClickableComponent);\n\n    /**\n     * Creates an instance of the this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     *\n     */\n    function MenuItem(player, options) {\n      var _this;\n\n      _this = _ClickableComponent.call(this, player, options) || this;\n      _this.selectable = options.selectable;\n      _this.isSelected_ = options.selected || false;\n      _this.multiSelectable = options.multiSelectable;\n\n      _this.selected(_this.isSelected_);\n\n      if (_this.selectable) {\n        if (_this.multiSelectable) {\n          _this.el_.setAttribute('role', 'menuitemcheckbox');\n        } else {\n          _this.el_.setAttribute('role', 'menuitemradio');\n        }\n      } else {\n        _this.el_.setAttribute('role', 'menuitem');\n      }\n\n      return _this;\n    }\n    /**\n     * Create the `MenuItem's DOM element\n     *\n     * @param {string} [type=li]\n     *        Element's node type, not actually used, always set to `li`.\n     *\n     * @param {Object} [props={}]\n     *        An object of properties that should be set on the element\n     *\n     * @param {Object} [attrs={}]\n     *        An object of attributes that should be set on the element\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n\n\n    var _proto = MenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      // The control is textual, not just an icon\n      this.nonIconControl = true;\n      return _ClickableComponent.prototype.createEl.call(this, 'li', assign({\n        className: 'vjs-menu-item',\n        innerHTML: \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label) + \"</span>\",\n        tabIndex: -1\n      }, props), attrs);\n    }\n    /**\n     * Ignore keys which are used by the menu, but pass any other ones up. See\n     * {@link ClickableComponent#handleKeyDown} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      if (!MenuKeys.some(function (key) {\n        return keycode.isEventKey(event, key);\n      })) {\n        // Pass keydown handling up for unused keys\n        _ClickableComponent.prototype.handleKeyDown.call(this, event);\n      }\n    }\n    /**\n     * Any click on a `MenuItem` puts it into the selected state.\n     * See {@link ClickableComponent#handleClick} for instances where this is called.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      this.selected(true);\n    }\n    /**\n     * Set the state for this menu item as selected or not.\n     *\n     * @param {boolean} selected\n     *        if the menu item is selected or not\n     */\n    ;\n\n    _proto.selected = function selected(_selected) {\n      if (this.selectable) {\n        if (_selected) {\n          this.addClass('vjs-selected');\n          this.el_.setAttribute('aria-checked', 'true'); // aria-checked isn't fully supported by browsers/screen readers,\n          // so indicate selected state to screen reader in the control text.\n\n          this.controlText(', selected');\n          this.isSelected_ = true;\n        } else {\n          this.removeClass('vjs-selected');\n          this.el_.setAttribute('aria-checked', 'false'); // Indicate un-selected state to screen reader\n\n          this.controlText('');\n          this.isSelected_ = false;\n        }\n      }\n    };\n\n    return MenuItem;\n  }(ClickableComponent);\n\n  Component.registerComponent('MenuItem', MenuItem);\n\n  /**\n   * The specific menu item type for selecting a language within a text track kind\n   *\n   * @extends MenuItem\n   */\n\n  var TextTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(TextTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function TextTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var tracks = player.textTracks(); // Modify options for parent MenuItem class's init.\n\n      options.label = track.label || track.language || 'Unknown';\n      options.selected = track.mode === 'showing';\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track; // Determine the relevant kind(s) of tracks for this component and filter\n      // out empty kinds.\n\n      _this.kinds = (options.kinds || [options.kind || _this.track.kind]).filter(Boolean);\n\n      var changeHandler = function changeHandler() {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        _this.handleTracksChange.apply(assertThisInitialized(_this), args);\n      };\n\n      var selectedLanguageChangeHandler = function selectedLanguageChangeHandler() {\n        for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {\n          args[_key2] = arguments[_key2];\n        }\n\n        _this.handleSelectedLanguageChange.apply(assertThisInitialized(_this), args);\n      };\n\n      player.on(['loadstart', 'texttrackchange'], changeHandler);\n      tracks.addEventListener('change', changeHandler);\n      tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);\n\n      _this.on('dispose', function () {\n        player.off(['loadstart', 'texttrackchange'], changeHandler);\n        tracks.removeEventListener('change', changeHandler);\n        tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);\n      }); // iOS7 doesn't dispatch change events to TextTrackLists when an\n      // associated track's mode changes. Without something like\n      // Object.observe() (also not present on iOS7), it's not\n      // possible to detect changes to the mode attribute and polyfill\n      // the change event. As a poor substitute, we manually dispatch\n      // change events whenever the controls modify the mode.\n\n\n      if (tracks.onchange === undefined) {\n        var event;\n\n        _this.on(['tap', 'click'], function () {\n          if (typeof window$3.Event !== 'object') {\n            // Android 2.3 throws an Illegal Constructor error for window.Event\n            try {\n              event = new window$3.Event('change');\n            } catch (err) {// continue regardless of error\n            }\n          }\n\n          if (!event) {\n            event = document.createEvent('Event');\n            event.initEvent('change', true, true);\n          }\n\n          tracks.dispatchEvent(event);\n        });\n      } // set the default state based on current tracks\n\n\n      _this.handleTracksChange();\n\n      return _this;\n    }\n    /**\n     * This gets called when an `TextTrackMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = TextTrackMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      var referenceTrack = this.track;\n      var tracks = this.player_.textTracks();\n\n      _MenuItem.prototype.handleClick.call(this, event);\n\n      if (!tracks) {\n        return;\n      }\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // If the track from the text tracks list is not of the right kind,\n        // skip it. We do not want to affect tracks of incompatible kind(s).\n\n        if (this.kinds.indexOf(track.kind) === -1) {\n          continue;\n        } // If this text track is the component's track and it is not showing,\n        // set it to showing.\n\n\n        if (track === referenceTrack) {\n          if (track.mode !== 'showing') {\n            track.mode = 'showing';\n          } // If this text track is not the component's track and it is not\n          // disabled, set it to disabled.\n\n        } else if (track.mode !== 'disabled') {\n          track.mode = 'disabled';\n        }\n      }\n    }\n    /**\n     * Handle text track list change\n     *\n     * @param {EventTarget~Event} event\n     *        The `change` event that caused this function to be called.\n     *\n     * @listens TextTrackList#change\n     */\n    ;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var shouldBeSelected = this.track.mode === 'showing'; // Prevent redundant selected() calls because they may cause\n      // screen readers to read the appended control text unnecessarily\n\n      if (shouldBeSelected !== this.isSelected_) {\n        this.selected(shouldBeSelected);\n      }\n    };\n\n    _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {\n      if (this.track.mode === 'showing') {\n        var selectedLanguage = this.player_.cache_.selectedLanguage; // Don't replace the kind of track across the same language\n\n        if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {\n          return;\n        }\n\n        this.player_.cache_.selectedLanguage = {\n          enabled: true,\n          language: this.track.language,\n          kind: this.track.kind\n        };\n      }\n    };\n\n    _proto.dispose = function dispose() {\n      // remove reference to track object on dispose\n      this.track = null;\n\n      _MenuItem.prototype.dispose.call(this);\n    };\n\n    return TextTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);\n\n  /**\n   * A special menu item for turning of a specific type of text track\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var OffTextTrackMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(OffTextTrackMenuItem, _TextTrackMenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function OffTextTrackMenuItem(player, options) {\n      // Create pseudo track info\n      // Requires options['kind']\n      options.track = {\n        player: player,\n        // it is no longer necessary to store `kind` or `kinds` on the track itself\n        // since they are now stored in the `kinds` property of all instances of\n        // TextTrackMenuItem, but this will remain for backwards compatibility\n        kind: options.kind,\n        kinds: options.kinds,\n        \"default\": false,\n        mode: 'disabled'\n      };\n\n      if (!options.kinds) {\n        options.kinds = [options.kind];\n      }\n\n      if (options.label) {\n        options.track.label = options.label;\n      } else {\n        options.track.label = options.kinds.join(' and ') + ' off';\n      } // MenuItem is selectable\n\n\n      options.selectable = true; // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n\n      options.multiSelectable = false;\n      return _TextTrackMenuItem.call(this, player, options) || this;\n    }\n    /**\n     * Handle text track change\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run\n     */\n\n\n    var _proto = OffTextTrackMenuItem.prototype;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var tracks = this.player().textTracks();\n      var shouldBeSelected = true;\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {\n          shouldBeSelected = false;\n          break;\n        }\n      } // Prevent redundant selected() calls because they may cause\n      // screen readers to read the appended control text unnecessarily\n\n\n      if (shouldBeSelected !== this.isSelected_) {\n        this.selected(shouldBeSelected);\n      }\n    };\n\n    _proto.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {\n      var tracks = this.player().textTracks();\n      var allHidden = true;\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {\n          allHidden = false;\n          break;\n        }\n      }\n\n      if (allHidden) {\n        this.player_.cache_.selectedLanguage = {\n          enabled: false\n        };\n      }\n    };\n\n    return OffTextTrackMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);\n\n  /**\n   * The base class for buttons that toggle specific text track types (e.g. subtitles)\n   *\n   * @extends MenuButton\n   */\n\n  var TextTrackButton = /*#__PURE__*/function (_TrackButton) {\n    inheritsLoose(TextTrackButton, _TrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function TextTrackButton(player, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.tracks = player.textTracks();\n      return _TrackButton.call(this, player, options) || this;\n    }\n    /**\n     * Create a menu item for each text track\n     *\n     * @param {TextTrackMenuItem[]} [items=[]]\n     *        Existing array of items to use during creation\n     *\n     * @return {TextTrackMenuItem[]}\n     *         Array of menu items that were created\n     */\n\n\n    var _proto = TextTrackButton.prototype;\n\n    _proto.createItems = function createItems(items, TrackMenuItem) {\n      if (items === void 0) {\n        items = [];\n      }\n\n      if (TrackMenuItem === void 0) {\n        TrackMenuItem = TextTrackMenuItem;\n      }\n\n      // Label is an override for the [track] off label\n      // USed to localise captions/subtitles\n      var label;\n\n      if (this.label_) {\n        label = this.label_ + \" off\";\n      } // Add an OFF menu item to turn all tracks off\n\n\n      items.push(new OffTextTrackMenuItem(this.player_, {\n        kinds: this.kinds_,\n        kind: this.kind_,\n        label: label\n      }));\n      this.hideThreshold_ += 1;\n      var tracks = this.player_.textTracks();\n\n      if (!Array.isArray(this.kinds_)) {\n        this.kinds_ = [this.kind_];\n      }\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // only add tracks that are of an appropriate kind and have a label\n\n        if (this.kinds_.indexOf(track.kind) > -1) {\n          var item = new TrackMenuItem(this.player_, {\n            track: track,\n            kinds: this.kinds_,\n            kind: this.kind_,\n            // MenuItem is selectable\n            selectable: true,\n            // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n            multiSelectable: false\n          });\n          item.addClass(\"vjs-\" + track.kind + \"-menu-item\");\n          items.push(item);\n        }\n      }\n\n      return items;\n    };\n\n    return TextTrackButton;\n  }(TrackButton);\n\n  Component.registerComponent('TextTrackButton', TextTrackButton);\n\n  /**\n   * The chapter track menu item\n   *\n   * @extends MenuItem\n   */\n\n  var ChaptersTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(ChaptersTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function ChaptersTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var cue = options.cue;\n      var currentTime = player.currentTime(); // Modify options for parent MenuItem class's init.\n\n      options.selectable = true;\n      options.multiSelectable = false;\n      options.label = cue.text;\n      options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track;\n      _this.cue = cue;\n      track.addEventListener('cuechange', bind(assertThisInitialized(_this), _this.update));\n      return _this;\n    }\n    /**\n     * This gets called when an `ChaptersTrackMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = ChaptersTrackMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      _MenuItem.prototype.handleClick.call(this);\n\n      this.player_.currentTime(this.cue.startTime);\n      this.update(this.cue.startTime);\n    }\n    /**\n     * Update chapter menu item\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `cuechange` event that caused this function to run.\n     *\n     * @listens TextTrack#cuechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      var cue = this.cue;\n      var currentTime = this.player_.currentTime(); // vjs.log(currentTime, cue.startTime);\n\n      this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);\n    };\n\n    return ChaptersTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);\n\n  /**\n   * The button component for toggling and selecting chapters\n   * Chapters act much differently than other text tracks\n   * Cues are navigation vs. other tracks of alternative languages\n   *\n   * @extends TextTrackButton\n   */\n\n  var ChaptersButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(ChaptersButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this function is ready.\n     */\n    function ChaptersButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = ChaptersButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-chapters-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-chapters-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Update the menu based on the current state of its items.\n     *\n     * @param {EventTarget~Event} [event]\n     *        An event that triggered this function to run.\n     *\n     * @listens TextTrackList#addtrack\n     * @listens TextTrackList#removetrack\n     * @listens TextTrackList#change\n     */\n    ;\n\n    _proto.update = function update(event) {\n      if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {\n        this.setTrack(this.findChaptersTrack());\n      }\n\n      _TextTrackButton.prototype.update.call(this);\n    }\n    /**\n     * Set the currently selected track for the chapters button.\n     *\n     * @param {TextTrack} track\n     *        The new track to select. Nothing will change if this is the currently selected\n     *        track.\n     */\n    ;\n\n    _proto.setTrack = function setTrack(track) {\n      if (this.track_ === track) {\n        return;\n      }\n\n      if (!this.updateHandler_) {\n        this.updateHandler_ = this.update.bind(this);\n      } // here this.track_ refers to the old track instance\n\n\n      if (this.track_) {\n        var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);\n\n        if (remoteTextTrackEl) {\n          remoteTextTrackEl.removeEventListener('load', this.updateHandler_);\n        }\n\n        this.track_ = null;\n      }\n\n      this.track_ = track; // here this.track_ refers to the new track instance\n\n      if (this.track_) {\n        this.track_.mode = 'hidden';\n\n        var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);\n\n        if (_remoteTextTrackEl) {\n          _remoteTextTrackEl.addEventListener('load', this.updateHandler_);\n        }\n      }\n    }\n    /**\n     * Find the track object that is currently in use by this ChaptersButton\n     *\n     * @return {TextTrack|undefined}\n     *         The current track or undefined if none was found.\n     */\n    ;\n\n    _proto.findChaptersTrack = function findChaptersTrack() {\n      var tracks = this.player_.textTracks() || [];\n\n      for (var i = tracks.length - 1; i >= 0; i--) {\n        // We will always choose the last track as our chaptersTrack\n        var track = tracks[i];\n\n        if (track.kind === this.kind_) {\n          return track;\n        }\n      }\n    }\n    /**\n     * Get the caption for the ChaptersButton based on the track label. This will also\n     * use the current tracks localized kind as a fallback if a label does not exist.\n     *\n     * @return {string}\n     *         The tracks current label or the localized track kind.\n     */\n    ;\n\n    _proto.getMenuCaption = function getMenuCaption() {\n      if (this.track_ && this.track_.label) {\n        return this.track_.label;\n      }\n\n      return this.localize(toTitleCase(this.kind_));\n    }\n    /**\n     * Create menu from chapter track\n     *\n     * @return {Menu}\n     *         New menu for the chapter buttons\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      this.options_.title = this.getMenuCaption();\n      return _TextTrackButton.prototype.createMenu.call(this);\n    }\n    /**\n     * Create a menu item for each text track\n     *\n     * @return {TextTrackMenuItem[]}\n     *         Array of menu items\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!this.track_) {\n        return items;\n      }\n\n      var cues = this.track_.cues;\n\n      if (!cues) {\n        return items;\n      }\n\n      for (var i = 0, l = cues.length; i < l; i++) {\n        var cue = cues[i];\n        var mi = new ChaptersTrackMenuItem(this.player_, {\n          track: this.track_,\n          cue: cue\n        });\n        items.push(mi);\n      }\n\n      return items;\n    };\n\n    return ChaptersButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  ChaptersButton.prototype.kind_ = 'chapters';\n  /**\n   * The text that should display over the `ChaptersButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  ChaptersButton.prototype.controlText_ = 'Chapters';\n  Component.registerComponent('ChaptersButton', ChaptersButton);\n\n  /**\n   * The button component for toggling and selecting descriptions\n   *\n   * @extends TextTrackButton\n   */\n\n  var DescriptionsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(DescriptionsButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function DescriptionsButton(player, options, ready) {\n      var _this;\n\n      _this = _TextTrackButton.call(this, player, options, ready) || this;\n      var tracks = player.textTracks();\n      var changeHandler = bind(assertThisInitialized(_this), _this.handleTracksChange);\n      tracks.addEventListener('change', changeHandler);\n\n      _this.on('dispose', function () {\n        tracks.removeEventListener('change', changeHandler);\n      });\n\n      return _this;\n    }\n    /**\n     * Handle text track change\n     *\n     * @param {EventTarget~Event} event\n     *        The event that caused this function to run\n     *\n     * @listens TextTrackList#change\n     */\n\n\n    var _proto = DescriptionsButton.prototype;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      var tracks = this.player().textTracks();\n      var disabled = false; // Check whether a track of a different kind is showing\n\n      for (var i = 0, l = tracks.length; i < l; i++) {\n        var track = tracks[i];\n\n        if (track.kind !== this.kind_ && track.mode === 'showing') {\n          disabled = true;\n          break;\n        }\n      } // If another track is showing, disable this menu button\n\n\n      if (disabled) {\n        this.disable();\n      } else {\n        this.enable();\n      }\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-descriptions-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-descriptions-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    };\n\n    return DescriptionsButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  DescriptionsButton.prototype.kind_ = 'descriptions';\n  /**\n   * The text that should display over the `DescriptionsButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  DescriptionsButton.prototype.controlText_ = 'Descriptions';\n  Component.registerComponent('DescriptionsButton', DescriptionsButton);\n\n  /**\n   * The button component for toggling and selecting subtitles\n   *\n   * @extends TextTrackButton\n   */\n\n  var SubtitlesButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(SubtitlesButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function SubtitlesButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = SubtitlesButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-subtitles-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-subtitles-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    };\n\n    return SubtitlesButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  SubtitlesButton.prototype.kind_ = 'subtitles';\n  /**\n   * The text that should display over the `SubtitlesButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  SubtitlesButton.prototype.controlText_ = 'Subtitles';\n  Component.registerComponent('SubtitlesButton', SubtitlesButton);\n\n  /**\n   * The menu item for caption track settings menu\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var CaptionSettingsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(CaptionSettingsMenuItem, _TextTrackMenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function CaptionSettingsMenuItem(player, options) {\n      var _this;\n\n      options.track = {\n        player: player,\n        kind: options.kind,\n        label: options.kind + ' settings',\n        selectable: false,\n        \"default\": false,\n        mode: 'disabled'\n      }; // CaptionSettingsMenuItem has no concept of 'selected'\n\n      options.selectable = false;\n      options.name = 'CaptionSettingsMenuItem';\n      _this = _TextTrackMenuItem.call(this, player, options) || this;\n\n      _this.addClass('vjs-texttrack-settings');\n\n      _this.controlText(', opens ' + options.kind + ' settings dialog');\n\n      return _this;\n    }\n    /**\n     * This gets called when an `CaptionSettingsMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = CaptionSettingsMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      this.player().getChild('textTrackSettings').open();\n    };\n\n    return CaptionSettingsMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);\n\n  /**\n   * The button component for toggling and selecting captions\n   *\n   * @extends TextTrackButton\n   */\n\n  var CaptionsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(CaptionsButton, _TextTrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        The function to call when this component is ready.\n     */\n    function CaptionsButton(player, options, ready) {\n      return _TextTrackButton.call(this, player, options, ready) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = CaptionsButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-captions-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-captions-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create caption menu items\n     *\n     * @return {CaptionSettingsMenuItem[]}\n     *         The array of current menu items.\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {\n        items.push(new CaptionSettingsMenuItem(this.player_, {\n          kind: this.kind_\n        }));\n        this.hideThreshold_ += 1;\n      }\n\n      return _TextTrackButton.prototype.createItems.call(this, items);\n    };\n\n    return CaptionsButton;\n  }(TextTrackButton);\n  /**\n   * `kind` of TextTrack to look for to associate it with this menu.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  CaptionsButton.prototype.kind_ = 'captions';\n  /**\n   * The text that should display over the `CaptionsButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n  CaptionsButton.prototype.controlText_ = 'Captions';\n  Component.registerComponent('CaptionsButton', CaptionsButton);\n\n  /**\n   * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles\n   * in the SubsCapsMenu.\n   *\n   * @extends TextTrackMenuItem\n   */\n\n  var SubsCapsMenuItem = /*#__PURE__*/function (_TextTrackMenuItem) {\n    inheritsLoose(SubsCapsMenuItem, _TextTrackMenuItem);\n\n    function SubsCapsMenuItem() {\n      return _TextTrackMenuItem.apply(this, arguments) || this;\n    }\n\n    var _proto = SubsCapsMenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      var innerHTML = \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label);\n\n      if (this.options_.track.kind === 'captions') {\n        innerHTML += \"\\n        <span aria-hidden=\\\"true\\\" class=\\\"vjs-icon-placeholder\\\"></span>\\n        <span class=\\\"vjs-control-text\\\"> \" + this.localize('Captions') + \"</span>\\n      \";\n      }\n\n      innerHTML += '</span>';\n\n      var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({\n        innerHTML: innerHTML\n      }, props), attrs);\n\n      return el;\n    };\n\n    return SubsCapsMenuItem;\n  }(TextTrackMenuItem);\n\n  Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);\n\n  /**\n   * The button component for toggling and selecting captions and/or subtitles\n   *\n   * @extends TextTrackButton\n   */\n\n  var SubsCapsButton = /*#__PURE__*/function (_TextTrackButton) {\n    inheritsLoose(SubsCapsButton, _TextTrackButton);\n\n    function SubsCapsButton(player, options) {\n      var _this;\n\n      if (options === void 0) {\n        options = {};\n      }\n\n      _this = _TextTrackButton.call(this, player, options) || this; // Although North America uses \"captions\" in most cases for\n      // \"captions and subtitles\" other locales use \"subtitles\"\n\n      _this.label_ = 'subtitles';\n\n      if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {\n        _this.label_ = 'captions';\n      }\n\n      _this.menuButton_.controlText(toTitleCase(_this.label_));\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = SubsCapsButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-subs-caps-button \" + _TextTrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-subs-caps-button \" + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create caption/subtitles menu items\n     *\n     * @return {CaptionSettingsMenuItem[]}\n     *         The array of current menu items.\n     */\n    ;\n\n    _proto.createItems = function createItems() {\n      var items = [];\n\n      if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks) && this.player().getChild('textTrackSettings')) {\n        items.push(new CaptionSettingsMenuItem(this.player_, {\n          kind: this.label_\n        }));\n        this.hideThreshold_ += 1;\n      }\n\n      items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);\n      return items;\n    };\n\n    return SubsCapsButton;\n  }(TextTrackButton);\n  /**\n   * `kind`s of TextTrack to look for to associate it with this menu.\n   *\n   * @type {array}\n   * @private\n   */\n\n\n  SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];\n  /**\n   * The text that should display over the `SubsCapsButton`s controls.\n   *\n   *\n   * @type {string}\n   * @private\n   */\n\n  SubsCapsButton.prototype.controlText_ = 'Subtitles';\n  Component.registerComponent('SubsCapsButton', SubsCapsButton);\n\n  /**\n   * An {@link AudioTrack} {@link MenuItem}\n   *\n   * @extends MenuItem\n   */\n\n  var AudioTrackMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(AudioTrackMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function AudioTrackMenuItem(player, options) {\n      var _this;\n\n      var track = options.track;\n      var tracks = player.audioTracks(); // Modify options for parent MenuItem class's init.\n\n      options.label = track.label || track.language || 'Unknown';\n      options.selected = track.enabled;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.track = track;\n\n      _this.addClass(\"vjs-\" + track.kind + \"-menu-item\");\n\n      var changeHandler = function changeHandler() {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        _this.handleTracksChange.apply(assertThisInitialized(_this), args);\n      };\n\n      tracks.addEventListener('change', changeHandler);\n\n      _this.on('dispose', function () {\n        tracks.removeEventListener('change', changeHandler);\n      });\n\n      return _this;\n    }\n\n    var _proto = AudioTrackMenuItem.prototype;\n\n    _proto.createEl = function createEl(type, props, attrs) {\n      var innerHTML = \"<span class=\\\"vjs-menu-item-text\\\">\" + this.localize(this.options_.label);\n\n      if (this.options_.track.kind === 'main-desc') {\n        innerHTML += \"\\n        <span aria-hidden=\\\"true\\\" class=\\\"vjs-icon-placeholder\\\"></span>\\n        <span class=\\\"vjs-control-text\\\"> \" + this.localize('Descriptions') + \"</span>\\n      \";\n      }\n\n      innerHTML += '</span>';\n\n      var el = _MenuItem.prototype.createEl.call(this, type, assign({\n        innerHTML: innerHTML\n      }, props), attrs);\n\n      return el;\n    }\n    /**\n     * This gets called when an `AudioTrackMenuItem is \"clicked\". See {@link ClickableComponent}\n     * for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      var tracks = this.player_.audioTracks();\n\n      _MenuItem.prototype.handleClick.call(this, event);\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i];\n        track.enabled = track === this.track;\n      }\n    }\n    /**\n     * Handle any {@link AudioTrack} change.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The {@link AudioTrackList#change} event that caused this to run.\n     *\n     * @listens AudioTrackList#change\n     */\n    ;\n\n    _proto.handleTracksChange = function handleTracksChange(event) {\n      this.selected(this.track.enabled);\n    };\n\n    return AudioTrackMenuItem;\n  }(MenuItem);\n\n  Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);\n\n  /**\n   * The base class for buttons that toggle specific {@link AudioTrack} types.\n   *\n   * @extends TrackButton\n   */\n\n  var AudioTrackButton = /*#__PURE__*/function (_TrackButton) {\n    inheritsLoose(AudioTrackButton, _TrackButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options={}]\n     *        The key/value store of player options.\n     */\n    function AudioTrackButton(player, options) {\n      if (options === void 0) {\n        options = {};\n      }\n\n      options.tracks = player.audioTracks();\n      return _TrackButton.call(this, player, options) || this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n\n\n    var _proto = AudioTrackButton.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-audio-button \" + _TrackButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-audio-button \" + _TrackButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create a menu item for each audio track\n     *\n     * @param {AudioTrackMenuItem[]} [items=[]]\n     *        An array of existing menu items to use.\n     *\n     * @return {AudioTrackMenuItem[]}\n     *         An array of menu items\n     */\n    ;\n\n    _proto.createItems = function createItems(items) {\n      if (items === void 0) {\n        items = [];\n      }\n\n      // if there's only one audio track, there no point in showing it\n      this.hideThreshold_ = 1;\n      var tracks = this.player_.audioTracks();\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i];\n        items.push(new AudioTrackMenuItem(this.player_, {\n          track: track,\n          // MenuItem is selectable\n          selectable: true,\n          // MenuItem is NOT multiSelectable (i.e. only one can be marked \"selected\" at a time)\n          multiSelectable: false\n        }));\n      }\n\n      return items;\n    };\n\n    return AudioTrackButton;\n  }(TrackButton);\n  /**\n   * The text that should display over the `AudioTrackButton`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  AudioTrackButton.prototype.controlText_ = 'Audio Track';\n  Component.registerComponent('AudioTrackButton', AudioTrackButton);\n\n  /**\n   * The specific menu item type for selecting a playback rate.\n   *\n   * @extends MenuItem\n   */\n\n  var PlaybackRateMenuItem = /*#__PURE__*/function (_MenuItem) {\n    inheritsLoose(PlaybackRateMenuItem, _MenuItem);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlaybackRateMenuItem(player, options) {\n      var _this;\n\n      var label = options.rate;\n      var rate = parseFloat(label, 10); // Modify options for parent MenuItem class's init.\n\n      options.label = label;\n      options.selected = rate === 1;\n      options.selectable = true;\n      options.multiSelectable = false;\n      _this = _MenuItem.call(this, player, options) || this;\n      _this.label = label;\n      _this.rate = rate;\n\n      _this.on(player, 'ratechange', _this.update);\n\n      return _this;\n    }\n    /**\n     * This gets called when an `PlaybackRateMenuItem` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n\n\n    var _proto = PlaybackRateMenuItem.prototype;\n\n    _proto.handleClick = function handleClick(event) {\n      _MenuItem.prototype.handleClick.call(this);\n\n      this.player().playbackRate(this.rate);\n    }\n    /**\n     * Update the PlaybackRateMenuItem when the playbackrate changes.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `ratechange` event that caused this function to run.\n     *\n     * @listens Player#ratechange\n     */\n    ;\n\n    _proto.update = function update(event) {\n      this.selected(this.player().playbackRate() === this.rate);\n    };\n\n    return PlaybackRateMenuItem;\n  }(MenuItem);\n  /**\n   * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlaybackRateMenuItem.prototype.contentElType = 'button';\n  Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);\n\n  /**\n   * The component for controlling the playback rate.\n   *\n   * @extends MenuButton\n   */\n\n  var PlaybackRateMenuButton = /*#__PURE__*/function (_MenuButton) {\n    inheritsLoose(PlaybackRateMenuButton, _MenuButton);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of player options.\n     */\n    function PlaybackRateMenuButton(player, options) {\n      var _this;\n\n      _this = _MenuButton.call(this, player, options) || this;\n\n      _this.updateVisibility();\n\n      _this.updateLabel();\n\n      _this.on(player, 'loadstart', _this.updateVisibility);\n\n      _this.on(player, 'ratechange', _this.updateLabel);\n\n      return _this;\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n\n\n    var _proto = PlaybackRateMenuButton.prototype;\n\n    _proto.createEl = function createEl$1() {\n      var el = _MenuButton.prototype.createEl.call(this);\n\n      this.labelEl_ = createEl('div', {\n        className: 'vjs-playback-rate-value',\n        innerHTML: '1x'\n      });\n      el.appendChild(this.labelEl_);\n      return el;\n    };\n\n    _proto.dispose = function dispose() {\n      this.labelEl_ = null;\n\n      _MenuButton.prototype.dispose.call(this);\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    ;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-playback-rate \" + _MenuButton.prototype.buildCSSClass.call(this);\n    };\n\n    _proto.buildWrapperCSSClass = function buildWrapperCSSClass() {\n      return \"vjs-playback-rate \" + _MenuButton.prototype.buildWrapperCSSClass.call(this);\n    }\n    /**\n     * Create the playback rate menu\n     *\n     * @return {Menu}\n     *         Menu object populated with {@link PlaybackRateMenuItem}s\n     */\n    ;\n\n    _proto.createMenu = function createMenu() {\n      var menu = new Menu(this.player());\n      var rates = this.playbackRates();\n\n      if (rates) {\n        for (var i = rates.length - 1; i >= 0; i--) {\n          menu.addChild(new PlaybackRateMenuItem(this.player(), {\n            rate: rates[i] + 'x'\n          }));\n        }\n      }\n\n      return menu;\n    }\n    /**\n     * Updates ARIA accessibility attributes\n     */\n    ;\n\n    _proto.updateARIAAttributes = function updateARIAAttributes() {\n      // Current playback rate\n      this.el().setAttribute('aria-valuenow', this.player().playbackRate());\n    }\n    /**\n     * This gets called when an `PlaybackRateMenuButton` is \"clicked\". See\n     * {@link ClickableComponent} for more detailed information on what a click can be.\n     *\n     * @param {EventTarget~Event} [event]\n     *        The `keydown`, `tap`, or `click` event that caused this function to be\n     *        called.\n     *\n     * @listens tap\n     * @listens click\n     */\n    ;\n\n    _proto.handleClick = function handleClick(event) {\n      // select next rate option\n      var currentRate = this.player().playbackRate();\n      var rates = this.playbackRates(); // this will select first one if the last one currently selected\n\n      var newRate = rates[0];\n\n      for (var i = 0; i < rates.length; i++) {\n        if (rates[i] > currentRate) {\n          newRate = rates[i];\n          break;\n        }\n      }\n\n      this.player().playbackRate(newRate);\n    }\n    /**\n     * Get possible playback rates\n     *\n     * @return {Array}\n     *         All possible playback rates\n     */\n    ;\n\n    _proto.playbackRates = function playbackRates() {\n      return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;\n    }\n    /**\n     * Get whether playback rates is supported by the tech\n     * and an array of playback rates exists\n     *\n     * @return {boolean}\n     *         Whether changing playback rate is supported\n     */\n    ;\n\n    _proto.playbackRateSupported = function playbackRateSupported() {\n      return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;\n    }\n    /**\n     * Hide playback rate controls when they're no playback rate options to select\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#loadstart\n     */\n    ;\n\n    _proto.updateVisibility = function updateVisibility(event) {\n      if (this.playbackRateSupported()) {\n        this.removeClass('vjs-hidden');\n      } else {\n        this.addClass('vjs-hidden');\n      }\n    }\n    /**\n     * Update button label when rate changed\n     *\n     * @param {EventTarget~Event} [event]\n     *        The event that caused this function to run.\n     *\n     * @listens Player#ratechange\n     */\n    ;\n\n    _proto.updateLabel = function updateLabel(event) {\n      if (this.playbackRateSupported()) {\n        this.labelEl_.innerHTML = this.player().playbackRate() + 'x';\n      }\n    };\n\n    return PlaybackRateMenuButton;\n  }(MenuButton);\n  /**\n   * The text that should display over the `FullscreenToggle`s controls. Added for localization.\n   *\n   * @type {string}\n   * @private\n   */\n\n\n  PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';\n  Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);\n\n  /**\n   * Just an empty spacer element that can be used as an append point for plugins, etc.\n   * Also can be used to create space between elements when necessary.\n   *\n   * @extends Component\n   */\n\n  var Spacer = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Spacer, _Component);\n\n    function Spacer() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = Spacer.prototype;\n\n    /**\n    * Builds the default DOM `className`.\n    *\n    * @return {string}\n    *         The DOM `className` for this object.\n    */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-spacer \" + _Component.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: this.buildCSSClass()\n      });\n    };\n\n    return Spacer;\n  }(Component);\n\n  Component.registerComponent('Spacer', Spacer);\n\n  /**\n   * Spacer specifically meant to be used as an insertion point for new plugins, etc.\n   *\n   * @extends Spacer\n   */\n\n  var CustomControlSpacer = /*#__PURE__*/function (_Spacer) {\n    inheritsLoose(CustomControlSpacer, _Spacer);\n\n    function CustomControlSpacer() {\n      return _Spacer.apply(this, arguments) || this;\n    }\n\n    var _proto = CustomControlSpacer.prototype;\n\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     */\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-custom-control-spacer \" + _Spacer.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var el = _Spacer.prototype.createEl.call(this, {\n        className: this.buildCSSClass()\n      }); // No-flex/table-cell mode requires there be some content\n      // in the cell to fill the remaining space of the table.\n\n\n      el.innerHTML = \"\\xA0\";\n      return el;\n    };\n\n    return CustomControlSpacer;\n  }(Spacer);\n\n  Component.registerComponent('CustomControlSpacer', CustomControlSpacer);\n\n  /**\n   * Container of main controls.\n   *\n   * @extends Component\n   */\n\n  var ControlBar = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ControlBar, _Component);\n\n    function ControlBar() {\n      return _Component.apply(this, arguments) || this;\n    }\n\n    var _proto = ControlBar.prototype;\n\n    /**\n     * Create the `Component`'s DOM element\n     *\n     * @return {Element}\n     *         The element that was created.\n     */\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'div', {\n        className: 'vjs-control-bar',\n        dir: 'ltr'\n      });\n    };\n\n    return ControlBar;\n  }(Component);\n  /**\n   * Default options for `ControlBar`\n   *\n   * @type {Object}\n   * @private\n   */\n\n\n  ControlBar.prototype.options_ = {\n    children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'seekToLive', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']\n  };\n\n  if ('exitPictureInPicture' in document) {\n    ControlBar.prototype.options_.children.splice(ControlBar.prototype.options_.children.length - 1, 0, 'pictureInPictureToggle');\n  }\n\n  Component.registerComponent('ControlBar', ControlBar);\n\n  /**\n   * A display that indicates an error has occurred. This means that the video\n   * is unplayable.\n   *\n   * @extends ModalDialog\n   */\n\n  var ErrorDisplay = /*#__PURE__*/function (_ModalDialog) {\n    inheritsLoose(ErrorDisplay, _ModalDialog);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param  {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param  {Object} [options]\n     *         The key/value store of player options.\n     */\n    function ErrorDisplay(player, options) {\n      var _this;\n\n      _this = _ModalDialog.call(this, player, options) || this;\n\n      _this.on(player, 'error', _this.open);\n\n      return _this;\n    }\n    /**\n     * Builds the default DOM `className`.\n     *\n     * @return {string}\n     *         The DOM `className` for this object.\n     *\n     * @deprecated Since version 5.\n     */\n\n\n    var _proto = ErrorDisplay.prototype;\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return \"vjs-error-display \" + _ModalDialog.prototype.buildCSSClass.call(this);\n    }\n    /**\n     * Gets the localized error message based on the `Player`s error.\n     *\n     * @return {string}\n     *         The `Player`s error message localized or an empty string.\n     */\n    ;\n\n    _proto.content = function content() {\n      var error = this.player().error();\n      return error ? this.localize(error.message) : '';\n    };\n\n    return ErrorDisplay;\n  }(ModalDialog);\n  /**\n   * The default options for an `ErrorDisplay`.\n   *\n   * @private\n   */\n\n\n  ErrorDisplay.prototype.options_ = _extends_1({}, ModalDialog.prototype.options_, {\n    pauseOnOpen: false,\n    fillAlways: true,\n    temporary: false,\n    uncloseable: true\n  });\n  Component.registerComponent('ErrorDisplay', ErrorDisplay);\n\n  var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';\n  var COLOR_BLACK = ['#000', 'Black'];\n  var COLOR_BLUE = ['#00F', 'Blue'];\n  var COLOR_CYAN = ['#0FF', 'Cyan'];\n  var COLOR_GREEN = ['#0F0', 'Green'];\n  var COLOR_MAGENTA = ['#F0F', 'Magenta'];\n  var COLOR_RED = ['#F00', 'Red'];\n  var COLOR_WHITE = ['#FFF', 'White'];\n  var COLOR_YELLOW = ['#FF0', 'Yellow'];\n  var OPACITY_OPAQUE = ['1', 'Opaque'];\n  var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];\n  var OPACITY_TRANS = ['0', 'Transparent']; // Configuration for the various <select> elements in the DOM of this component.\n  //\n  // Possible keys include:\n  //\n  // `default`:\n  //   The default option index. Only needs to be provided if not zero.\n  // `parser`:\n  //   A function which is used to parse the value from the selected option in\n  //   a customized way.\n  // `selector`:\n  //   The selector used to find the associated <select> element.\n\n  var selectConfigs = {\n    backgroundColor: {\n      selector: '.vjs-bg-color > select',\n      id: 'captions-background-color-%s',\n      label: 'Color',\n      options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]\n    },\n    backgroundOpacity: {\n      selector: '.vjs-bg-opacity > select',\n      id: 'captions-background-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]\n    },\n    color: {\n      selector: '.vjs-fg-color > select',\n      id: 'captions-foreground-color-%s',\n      label: 'Color',\n      options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]\n    },\n    edgeStyle: {\n      selector: '.vjs-edge-style > select',\n      id: '%s',\n      label: 'Text Edge Style',\n      options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]\n    },\n    fontFamily: {\n      selector: '.vjs-font-family > select',\n      id: 'captions-font-family-%s',\n      label: 'Font Family',\n      options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]\n    },\n    fontPercent: {\n      selector: '.vjs-font-percent > select',\n      id: 'captions-font-size-%s',\n      label: 'Font Size',\n      options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],\n      \"default\": 2,\n      parser: function parser(v) {\n        return v === '1.00' ? null : Number(v);\n      }\n    },\n    textOpacity: {\n      selector: '.vjs-text-opacity > select',\n      id: 'captions-foreground-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_OPAQUE, OPACITY_SEMI]\n    },\n    // Options for this object are defined below.\n    windowColor: {\n      selector: '.vjs-window-color > select',\n      id: 'captions-window-color-%s',\n      label: 'Color'\n    },\n    // Options for this object are defined below.\n    windowOpacity: {\n      selector: '.vjs-window-opacity > select',\n      id: 'captions-window-opacity-%s',\n      label: 'Transparency',\n      options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]\n    }\n  };\n  selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;\n  /**\n   * Get the actual value of an option.\n   *\n   * @param  {string} value\n   *         The value to get\n   *\n   * @param  {Function} [parser]\n   *         Optional function to adjust the value.\n   *\n   * @return {Mixed}\n   *         - Will be `undefined` if no value exists\n   *         - Will be `undefined` if the given value is \"none\".\n   *         - Will be the actual value otherwise.\n   *\n   * @private\n   */\n\n  function parseOptionValue(value, parser) {\n    if (parser) {\n      value = parser(value);\n    }\n\n    if (value && value !== 'none') {\n      return value;\n    }\n  }\n  /**\n   * Gets the value of the selected <option> element within a <select> element.\n   *\n   * @param  {Element} el\n   *         the element to look in\n   *\n   * @param  {Function} [parser]\n   *         Optional function to adjust the value.\n   *\n   * @return {Mixed}\n   *         - Will be `undefined` if no value exists\n   *         - Will be `undefined` if the given value is \"none\".\n   *         - Will be the actual value otherwise.\n   *\n   * @private\n   */\n\n\n  function getSelectedOptionValue(el, parser) {\n    var value = el.options[el.options.selectedIndex].value;\n    return parseOptionValue(value, parser);\n  }\n  /**\n   * Sets the selected <option> element within a <select> element based on a\n   * given value.\n   *\n   * @param {Element} el\n   *        The element to look in.\n   *\n   * @param {string} value\n   *        the property to look on.\n   *\n   * @param {Function} [parser]\n   *        Optional function to adjust the value before comparing.\n   *\n   * @private\n   */\n\n\n  function setSelectedOption(el, value, parser) {\n    if (!value) {\n      return;\n    }\n\n    for (var i = 0; i < el.options.length; i++) {\n      if (parseOptionValue(el.options[i].value, parser) === value) {\n        el.selectedIndex = i;\n        break;\n      }\n    }\n  }\n  /**\n   * Manipulate Text Tracks settings.\n   *\n   * @extends ModalDialog\n   */\n\n\n  var TextTrackSettings = /*#__PURE__*/function (_ModalDialog) {\n    inheritsLoose(TextTrackSettings, _ModalDialog);\n\n    /**\n     * Creates an instance of this class.\n     *\n     * @param {Player} player\n     *         The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *         The key/value store of player options.\n     */\n    function TextTrackSettings(player, options) {\n      var _this;\n\n      options.temporary = false;\n      _this = _ModalDialog.call(this, player, options) || this;\n      _this.updateDisplay = bind(assertThisInitialized(_this), _this.updateDisplay); // fill the modal and pretend we have opened it\n\n      _this.fill();\n\n      _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;\n      _this.endDialog = createEl('p', {\n        className: 'vjs-control-text',\n        textContent: _this.localize('End of dialog window.')\n      });\n\n      _this.el().appendChild(_this.endDialog);\n\n      _this.setDefaults(); // Grab `persistTextTrackSettings` from the player options if not passed in child options\n\n\n      if (options.persistTextTrackSettings === undefined) {\n        _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;\n      }\n\n      _this.on(_this.$('.vjs-done-button'), 'click', function () {\n        _this.saveSettings();\n\n        _this.close();\n      });\n\n      _this.on(_this.$('.vjs-default-button'), 'click', function () {\n        _this.setDefaults();\n\n        _this.updateDisplay();\n      });\n\n      each(selectConfigs, function (config) {\n        _this.on(_this.$(config.selector), 'change', _this.updateDisplay);\n      });\n\n      if (_this.options_.persistTextTrackSettings) {\n        _this.restoreSettings();\n      }\n\n      return _this;\n    }\n\n    var _proto = TextTrackSettings.prototype;\n\n    _proto.dispose = function dispose() {\n      this.endDialog = null;\n\n      _ModalDialog.prototype.dispose.call(this);\n    }\n    /**\n     * Create a <select> element with configured options.\n     *\n     * @param {string} key\n     *        Configuration key to use during creation.\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElSelect_ = function createElSelect_(key, legendId, type) {\n      var _this2 = this;\n\n      if (legendId === void 0) {\n        legendId = '';\n      }\n\n      if (type === void 0) {\n        type = 'label';\n      }\n\n      var config = selectConfigs[key];\n      var id = config.id.replace('%s', this.id_);\n      var selectLabelledbyIds = [legendId, id].join(' ').trim();\n      return [\"<\" + type + \" id=\\\"\" + id + \"\\\" class=\\\"\" + (type === 'label' ? 'vjs-label' : '') + \"\\\">\", this.localize(config.label), \"</\" + type + \">\", \"<select aria-labelledby=\\\"\" + selectLabelledbyIds + \"\\\">\"].concat(config.options.map(function (o) {\n        var optionId = id + '-' + o[1].replace(/\\W+/g, '');\n        return [\"<option id=\\\"\" + optionId + \"\\\" value=\\\"\" + o[0] + \"\\\" \", \"aria-labelledby=\\\"\" + selectLabelledbyIds + \" \" + optionId + \"\\\">\", _this2.localize(o[1]), '</option>'].join('');\n      })).concat('</select>').join('');\n    }\n    /**\n     * Create foreground color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElFgColor_ = function createElFgColor_() {\n      var legendId = \"captions-text-legend-\" + this.id_;\n      return ['<fieldset class=\"vjs-fg-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class=\"vjs-text-opacity vjs-opacity\">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create background color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElBgColor_ = function createElBgColor_() {\n      var legendId = \"captions-background-\" + this.id_;\n      return ['<fieldset class=\"vjs-bg-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class=\"vjs-bg-opacity vjs-opacity\">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create window color element for the component\n     *\n     * @return {string}\n     *         An HTML string.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElWinColor_ = function createElWinColor_() {\n      var legendId = \"captions-window-\" + this.id_;\n      return ['<fieldset class=\"vjs-window-color vjs-track-setting\">', \"<legend id=\\\"\" + legendId + \"\\\">\", this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class=\"vjs-window-opacity vjs-opacity\">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');\n    }\n    /**\n     * Create color elements for the component\n     *\n     * @return {Element}\n     *         The element that was created\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElColors_ = function createElColors_() {\n      return createEl('div', {\n        className: 'vjs-track-settings-colors',\n        innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')\n      });\n    }\n    /**\n     * Create font elements for the component\n     *\n     * @return {Element}\n     *         The element that was created.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElFont_ = function createElFont_() {\n      return createEl('div', {\n        className: 'vjs-track-settings-font',\n        innerHTML: ['<fieldset class=\"vjs-font-percent vjs-track-setting\">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class=\"vjs-edge-style vjs-track-setting\">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class=\"vjs-font-family vjs-track-setting\">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')\n      });\n    }\n    /**\n     * Create controls for the component\n     *\n     * @return {Element}\n     *         The element that was created.\n     *\n     * @private\n     */\n    ;\n\n    _proto.createElControls_ = function createElControls_() {\n      var defaultsDescription = this.localize('restore all settings to the default values');\n      return createEl('div', {\n        className: 'vjs-track-settings-controls',\n        innerHTML: [\"<button type=\\\"button\\\" class=\\\"vjs-default-button\\\" title=\\\"\" + defaultsDescription + \"\\\">\", this.localize('Reset'), \"<span class=\\\"vjs-control-text\\\"> \" + defaultsDescription + \"</span>\", '</button>', \"<button type=\\\"button\\\" class=\\\"vjs-done-button\\\">\" + this.localize('Done') + \"</button>\"].join('')\n      });\n    };\n\n    _proto.content = function content() {\n      return [this.createElColors_(), this.createElFont_(), this.createElControls_()];\n    };\n\n    _proto.label = function label() {\n      return this.localize('Caption Settings Dialog');\n    };\n\n    _proto.description = function description() {\n      return this.localize('Beginning of dialog window. Escape will cancel and close the window.');\n    };\n\n    _proto.buildCSSClass = function buildCSSClass() {\n      return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';\n    }\n    /**\n     * Gets an object of text track settings (or null).\n     *\n     * @return {Object}\n     *         An object with config values parsed from the DOM or localStorage.\n     */\n    ;\n\n    _proto.getValues = function getValues() {\n      var _this3 = this;\n\n      return reduce(selectConfigs, function (accum, config, key) {\n        var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);\n\n        if (value !== undefined) {\n          accum[key] = value;\n        }\n\n        return accum;\n      }, {});\n    }\n    /**\n     * Sets text track settings from an object of values.\n     *\n     * @param {Object} values\n     *        An object with config values parsed from the DOM or localStorage.\n     */\n    ;\n\n    _proto.setValues = function setValues(values) {\n      var _this4 = this;\n\n      each(selectConfigs, function (config, key) {\n        setSelectedOption(_this4.$(config.selector), values[key], config.parser);\n      });\n    }\n    /**\n     * Sets all `<select>` elements to their default values.\n     */\n    ;\n\n    _proto.setDefaults = function setDefaults() {\n      var _this5 = this;\n\n      each(selectConfigs, function (config) {\n        var index = config.hasOwnProperty('default') ? config[\"default\"] : 0;\n        _this5.$(config.selector).selectedIndex = index;\n      });\n    }\n    /**\n     * Restore texttrack settings from localStorage\n     */\n    ;\n\n    _proto.restoreSettings = function restoreSettings() {\n      var values;\n\n      try {\n        values = JSON.parse(window$3.localStorage.getItem(LOCAL_STORAGE_KEY));\n      } catch (err) {\n        log.warn(err);\n      }\n\n      if (values) {\n        this.setValues(values);\n      }\n    }\n    /**\n     * Save text track settings to localStorage\n     */\n    ;\n\n    _proto.saveSettings = function saveSettings() {\n      if (!this.options_.persistTextTrackSettings) {\n        return;\n      }\n\n      var values = this.getValues();\n\n      try {\n        if (Object.keys(values).length) {\n          window$3.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));\n        } else {\n          window$3.localStorage.removeItem(LOCAL_STORAGE_KEY);\n        }\n      } catch (err) {\n        log.warn(err);\n      }\n    }\n    /**\n     * Update display of text track settings\n     */\n    ;\n\n    _proto.updateDisplay = function updateDisplay() {\n      var ttDisplay = this.player_.getChild('textTrackDisplay');\n\n      if (ttDisplay) {\n        ttDisplay.updateDisplay();\n      }\n    }\n    /**\n     * conditionally blur the element and refocus the captions button\n     *\n     * @private\n     */\n    ;\n\n    _proto.conditionalBlur_ = function conditionalBlur_() {\n      this.previouslyActiveEl_ = null;\n      var cb = this.player_.controlBar;\n      var subsCapsBtn = cb && cb.subsCapsButton;\n      var ccBtn = cb && cb.captionsButton;\n\n      if (subsCapsBtn) {\n        subsCapsBtn.focus();\n      } else if (ccBtn) {\n        ccBtn.focus();\n      }\n    };\n\n    return TextTrackSettings;\n  }(ModalDialog);\n\n  Component.registerComponent('TextTrackSettings', TextTrackSettings);\n\n  /**\n   * A Resize Manager. It is in charge of triggering `playerresize` on the player in the right conditions.\n   *\n   * It'll either create an iframe and use a debounced resize handler on it or use the new {@link https://wicg.github.io/ResizeObserver/|ResizeObserver}.\n   *\n   * If the ResizeObserver is available natively, it will be used. A polyfill can be passed in as an option.\n   * If a `playerresize` event is not needed, the ResizeManager component can be removed from the player, see the example below.\n   * @example <caption>How to disable the resize manager</caption>\n   * const player = videojs('#vid', {\n   *   resizeManager: false\n   * });\n   *\n   * @see {@link https://wicg.github.io/ResizeObserver/|ResizeObserver specification}\n   *\n   * @extends Component\n   */\n\n  var ResizeManager = /*#__PURE__*/function (_Component) {\n    inheritsLoose(ResizeManager, _Component);\n\n    /**\n     * Create the ResizeManager.\n     *\n     * @param {Object} player\n     *        The `Player` that this class should be attached to.\n     *\n     * @param {Object} [options]\n     *        The key/value store of ResizeManager options.\n     *\n     * @param {Object} [options.ResizeObserver]\n     *        A polyfill for ResizeObserver can be passed in here.\n     *        If this is set to null it will ignore the native ResizeObserver and fall back to the iframe fallback.\n     */\n    function ResizeManager(player, options) {\n      var _this;\n\n      var RESIZE_OBSERVER_AVAILABLE = options.ResizeObserver || window$3.ResizeObserver; // if `null` was passed, we want to disable the ResizeObserver\n\n      if (options.ResizeObserver === null) {\n        RESIZE_OBSERVER_AVAILABLE = false;\n      } // Only create an element when ResizeObserver isn't available\n\n\n      var options_ = mergeOptions({\n        createEl: !RESIZE_OBSERVER_AVAILABLE,\n        reportTouchActivity: false\n      }, options);\n      _this = _Component.call(this, player, options_) || this;\n      _this.ResizeObserver = options.ResizeObserver || window$3.ResizeObserver;\n      _this.loadListener_ = null;\n      _this.resizeObserver_ = null;\n      _this.debouncedHandler_ = debounce(function () {\n        _this.resizeHandler();\n      }, 100, false, assertThisInitialized(_this));\n\n      if (RESIZE_OBSERVER_AVAILABLE) {\n        _this.resizeObserver_ = new _this.ResizeObserver(_this.debouncedHandler_);\n\n        _this.resizeObserver_.observe(player.el());\n      } else {\n        _this.loadListener_ = function () {\n          if (!_this.el_ || !_this.el_.contentWindow) {\n            return;\n          }\n\n          var debouncedHandler_ = _this.debouncedHandler_;\n\n          var unloadListener_ = _this.unloadListener_ = function () {\n            off(this, 'resize', debouncedHandler_);\n            off(this, 'unload', unloadListener_);\n            unloadListener_ = null;\n          }; // safari and edge can unload the iframe before resizemanager dispose\n          // we have to dispose of event handlers correctly before that happens\n\n\n          on(_this.el_.contentWindow, 'unload', unloadListener_);\n          on(_this.el_.contentWindow, 'resize', debouncedHandler_);\n        };\n\n        _this.one('load', _this.loadListener_);\n      }\n\n      return _this;\n    }\n\n    var _proto = ResizeManager.prototype;\n\n    _proto.createEl = function createEl() {\n      return _Component.prototype.createEl.call(this, 'iframe', {\n        className: 'vjs-resize-manager',\n        tabIndex: -1\n      }, {\n        'aria-hidden': 'true'\n      });\n    }\n    /**\n     * Called when a resize is triggered on the iframe or a resize is observed via the ResizeObserver\n     *\n     * @fires Player#playerresize\n     */\n    ;\n\n    _proto.resizeHandler = function resizeHandler() {\n      /**\n       * Called when the player size has changed\n       *\n       * @event Player#playerresize\n       * @type {EventTarget~Event}\n       */\n      // make sure player is still around to trigger\n      // prevents this from causing an error after dispose\n      if (!this.player_ || !this.player_.trigger) {\n        return;\n      }\n\n      this.player_.trigger('playerresize');\n    };\n\n    _proto.dispose = function dispose() {\n      if (this.debouncedHandler_) {\n        this.debouncedHandler_.cancel();\n      }\n\n      if (this.resizeObserver_) {\n        if (this.player_.el()) {\n          this.resizeObserver_.unobserve(this.player_.el());\n        }\n\n        this.resizeObserver_.disconnect();\n      }\n\n      if (this.loadListener_) {\n        this.off('load', this.loadListener_);\n      }\n\n      if (this.el_ && this.el_.contentWindow && this.unloadListener_) {\n        this.unloadListener_.call(this.el_.contentWindow);\n      }\n\n      this.ResizeObserver = null;\n      this.resizeObserver = null;\n      this.debouncedHandler_ = null;\n      this.loadListener_ = null;\n\n      _Component.prototype.dispose.call(this);\n    };\n\n    return ResizeManager;\n  }(Component);\n\n  Component.registerComponent('ResizeManager', ResizeManager);\n\n  /**\n   * Computes the median of an array.\n   *\n   * @param {number[]} arr\n   *        Input array of numbers.\n   *\n   * @return {number}\n   *        Median value.\n   */\n  var median = function median(arr) {\n    var mid = Math.floor(arr.length / 2);\n    var sortedList = [].concat(arr).sort(function (a, b) {\n      return a - b;\n    });\n    return arr.length % 2 !== 0 ? sortedList[mid] : (sortedList[mid - 1] + sortedList[mid]) / 2;\n  };\n\n  var defaults = {\n    // Number of seconds of live window (seekableEnd - seekableStart) that\n    // a video needs to have before the liveui will be shown.\n    trackingThreshold: 30\n  };\n  /* track when we are at the live edge, and other helpers for live playback */\n\n  var LiveTracker = /*#__PURE__*/function (_Component) {\n    inheritsLoose(LiveTracker, _Component);\n\n    function LiveTracker(player, options) {\n      var _this;\n\n      // LiveTracker does not need an element\n      var options_ = mergeOptions(defaults, options, {\n        createEl: false\n      });\n      _this = _Component.call(this, player, options_) || this;\n\n      _this.reset_();\n\n      _this.on(_this.player_, 'durationchange', _this.handleDurationchange); // we don't need to track live playback if the document is hidden,\n      // also, tracking when the document is hidden can\n      // cause the CPU to spike and eventually crash the page on IE11.\n\n\n      if (IE_VERSION && 'hidden' in document && 'visibilityState' in document) {\n        _this.on(document, 'visibilitychange', _this.handleVisibilityChange);\n      }\n\n      return _this;\n    }\n\n    var _proto = LiveTracker.prototype;\n\n    _proto.handleVisibilityChange = function handleVisibilityChange() {\n      if (this.player_.duration() !== Infinity) {\n        return;\n      }\n\n      if (document.hidden) {\n        this.stopTracking();\n      } else {\n        this.startTracking();\n      }\n    };\n\n    _proto.isBehind_ = function isBehind_() {\n      // don't report that we are behind until a timeupdate has been seen\n      if (!this.timeupdateSeen_) {\n        return false;\n      }\n\n      var liveCurrentTime = this.liveCurrentTime();\n      var currentTime = this.player_.currentTime(); // the live edge window is the amount of seconds away from live\n      // that a player can be, but still be considered live.\n      // we add 0.07 because the live tracking happens every 30ms\n      // and we want some wiggle room for short segment live playback\n\n      var liveEdgeWindow = this.seekableIncrement_ * 2 + 0.07; // on Android liveCurrentTime can bee Infinity, because seekableEnd\n      // can be Infinity, so we handle that case.\n\n      return liveCurrentTime !== Infinity && liveCurrentTime - liveEdgeWindow >= currentTime;\n    } // all the functionality for tracking when seek end changes\n    // and for tracking how far past seek end we should be\n    ;\n\n    _proto.trackLive_ = function trackLive_() {\n      this.pastSeekEnd_ = this.pastSeekEnd_;\n      var seekable = this.player_.seekable(); // skip undefined seekable\n\n      if (!seekable || !seekable.length) {\n        return;\n      }\n\n      var newSeekEnd = this.seekableEnd(); // we can only tell if we are behind live, when seekable changes\n      // once we detect that seekable has changed we check the new seek\n      // end against current time, with a fudge value of half a second.\n\n      if (newSeekEnd !== this.lastSeekEnd_) {\n        if (this.lastSeekEnd_) {\n          // we try to get the best fit value for the seeking increment\n          // variable from the last 12 values.\n          this.seekableIncrementList_ = this.seekableIncrementList_.slice(-11);\n          this.seekableIncrementList_.push(Math.abs(newSeekEnd - this.lastSeekEnd_));\n\n          if (this.seekableIncrementList_.length > 3) {\n            this.seekableIncrement_ = median(this.seekableIncrementList_);\n          }\n        }\n\n        this.pastSeekEnd_ = 0;\n        this.lastSeekEnd_ = newSeekEnd;\n        this.trigger('seekableendchange');\n      } // we should reset pastSeekEnd when the value\n      // is much higher than seeking increment.\n\n\n      if (this.pastSeekEnd() > this.seekableIncrement_ * 1.5) {\n        this.pastSeekEnd_ = 0;\n      } else {\n        this.pastSeekEnd_ = this.pastSeekEnd() + 0.03;\n      }\n\n      if (this.isBehind_() !== this.behindLiveEdge()) {\n        this.behindLiveEdge_ = this.isBehind_();\n        this.trigger('liveedgechange');\n      }\n    }\n    /**\n     * handle a durationchange event on the player\n     * and start/stop tracking accordingly.\n     */\n    ;\n\n    _proto.handleDurationchange = function handleDurationchange() {\n      if (this.player_.duration() === Infinity && this.liveWindow() >= this.options_.trackingThreshold) {\n        if (this.player_.options_.liveui) {\n          this.player_.addClass('vjs-liveui');\n        }\n\n        this.startTracking();\n      } else {\n        this.player_.removeClass('vjs-liveui');\n        this.stopTracking();\n      }\n    }\n    /**\n     * start tracking live playback\n     */\n    ;\n\n    _proto.startTracking = function startTracking() {\n      var _this2 = this;\n\n      if (this.isTracking()) {\n        return;\n      } // If we haven't seen a timeupdate, we need to check whether playback\n      // began before this component started tracking. This can happen commonly\n      // when using autoplay.\n\n\n      if (!this.timeupdateSeen_) {\n        this.timeupdateSeen_ = this.player_.hasStarted();\n      }\n\n      this.trackingInterval_ = this.setInterval(this.trackLive_, UPDATE_REFRESH_INTERVAL);\n      this.trackLive_();\n      this.on(this.player_, 'play', this.trackLive_);\n      this.on(this.player_, 'pause', this.trackLive_); // this is to prevent showing that we are not live\n      // before a video starts to play\n\n      if (!this.timeupdateSeen_) {\n        this.one(this.player_, 'play', this.handlePlay);\n\n        this.handleTimeupdate = function () {\n          _this2.timeupdateSeen_ = true;\n          _this2.handleTimeupdate = null;\n        };\n\n        this.one(this.player_, 'timeupdate', this.handleTimeupdate);\n      }\n    };\n\n    _proto.handlePlay = function handlePlay() {\n      this.one(this.player_, 'timeupdate', this.seekToLiveEdge);\n    }\n    /**\n     * Stop tracking, and set all internal variables to\n     * their initial value.\n     */\n    ;\n\n    _proto.reset_ = function reset_() {\n      this.pastSeekEnd_ = 0;\n      this.lastSeekEnd_ = null;\n      this.behindLiveEdge_ = null;\n      this.timeupdateSeen_ = false;\n      this.clearInterval(this.trackingInterval_);\n      this.trackingInterval_ = null;\n      this.seekableIncrement_ = 12;\n      this.seekableIncrementList_ = [];\n      this.off(this.player_, 'play', this.trackLive_);\n      this.off(this.player_, 'pause', this.trackLive_);\n      this.off(this.player_, 'play', this.handlePlay);\n      this.off(this.player_, 'timeupdate', this.seekToLiveEdge);\n\n      if (this.handleTimeupdate) {\n        this.off(this.player_, 'timeupdate', this.handleTimeupdate);\n        this.handleTimeupdate = null;\n      }\n    }\n    /**\n     * stop tracking live playback\n     */\n    ;\n\n    _proto.stopTracking = function stopTracking() {\n      if (!this.isTracking()) {\n        return;\n      }\n\n      this.reset_();\n    }\n    /**\n     * A helper to get the player seekable end\n     * so that we don't have to null check everywhere\n     */\n    ;\n\n    _proto.seekableEnd = function seekableEnd() {\n      var seekable = this.player_.seekable();\n      var seekableEnds = [];\n      var i = seekable ? seekable.length : 0;\n\n      while (i--) {\n        seekableEnds.push(seekable.end(i));\n      } // grab the furthest seekable end after sorting, or if there are none\n      // default to Infinity\n\n\n      return seekableEnds.length ? seekableEnds.sort()[seekableEnds.length - 1] : Infinity;\n    }\n    /**\n     * A helper to get the player seekable start\n     * so that we don't have to null check everywhere\n     */\n    ;\n\n    _proto.seekableStart = function seekableStart() {\n      var seekable = this.player_.seekable();\n      var seekableStarts = [];\n      var i = seekable ? seekable.length : 0;\n\n      while (i--) {\n        seekableStarts.push(seekable.start(i));\n      } // grab the first seekable start after sorting, or if there are none\n      // default to 0\n\n\n      return seekableStarts.length ? seekableStarts.sort()[0] : 0;\n    }\n    /**\n     * Get the live time window\n     */\n    ;\n\n    _proto.liveWindow = function liveWindow() {\n      var liveCurrentTime = this.liveCurrentTime();\n\n      if (liveCurrentTime === Infinity) {\n        return Infinity;\n      }\n\n      return liveCurrentTime - this.seekableStart();\n    }\n    /**\n     * Determines if the player is live, only checks if this component\n     * is tracking live playback or not\n     */\n    ;\n\n    _proto.isLive = function isLive() {\n      return this.isTracking();\n    }\n    /**\n     * Determines if currentTime is at the live edge and won't fall behind\n     * on each seekableendchange\n     */\n    ;\n\n    _proto.atLiveEdge = function atLiveEdge() {\n      return !this.behindLiveEdge();\n    }\n    /**\n     * get what we expect the live current time to be\n     */\n    ;\n\n    _proto.liveCurrentTime = function liveCurrentTime() {\n      return this.pastSeekEnd() + this.seekableEnd();\n    }\n    /**\n     * Returns how far past seek end we expect current time to be\n     */\n    ;\n\n    _proto.pastSeekEnd = function pastSeekEnd() {\n      return this.pastSeekEnd_;\n    }\n    /**\n     * If we are currently behind the live edge, aka currentTime will be\n     * behind on a seekableendchange\n     */\n    ;\n\n    _proto.behindLiveEdge = function behindLiveEdge() {\n      return this.behindLiveEdge_;\n    };\n\n    _proto.isTracking = function isTracking() {\n      return typeof this.trackingInterval_ === 'number';\n    }\n    /**\n     * Seek to the live edge if we are behind the live edge\n     */\n    ;\n\n    _proto.seekToLiveEdge = function seekToLiveEdge() {\n      if (this.atLiveEdge()) {\n        return;\n      }\n\n      this.player_.currentTime(this.liveCurrentTime());\n\n      if (this.player_.paused()) {\n        this.player_.play();\n      }\n    };\n\n    _proto.dispose = function dispose() {\n      this.stopTracking();\n\n      _Component.prototype.dispose.call(this);\n    };\n\n    return LiveTracker;\n  }(Component);\n\n  Component.registerComponent('LiveTracker', LiveTracker);\n\n  /**\n   * This function is used to fire a sourceset when there is something\n   * similar to `mediaEl.load()` being called. It will try to find the source via\n   * the `src` attribute and then the `<source>` elements. It will then fire `sourceset`\n   * with the source that was found or empty string if we cannot know. If it cannot\n   * find a source then `sourceset` will not be fired.\n   *\n   * @param {Html5} tech\n   *        The tech object that sourceset was setup on\n   *\n   * @return {boolean}\n   *         returns false if the sourceset was not fired and true otherwise.\n   */\n\n  var sourcesetLoad = function sourcesetLoad(tech) {\n    var el = tech.el(); // if `el.src` is set, that source will be loaded.\n\n    if (el.hasAttribute('src')) {\n      tech.triggerSourceset(el.src);\n      return true;\n    }\n    /**\n     * Since there isn't a src property on the media element, source elements will be used for\n     * implementing the source selection algorithm. This happens asynchronously and\n     * for most cases were there is more than one source we cannot tell what source will\n     * be loaded, without re-implementing the source selection algorithm. At this time we are not\n     * going to do that. There are three special cases that we do handle here though:\n     *\n     * 1. If there are no sources, do not fire `sourceset`.\n     * 2. If there is only one `<source>` with a `src` property/attribute that is our `src`\n     * 3. If there is more than one `<source>` but all of them have the same `src` url.\n     *    That will be our src.\n     */\n\n\n    var sources = tech.$$('source');\n    var srcUrls = [];\n    var src = ''; // if there are no sources, do not fire sourceset\n\n    if (!sources.length) {\n      return false;\n    } // only count valid/non-duplicate source elements\n\n\n    for (var i = 0; i < sources.length; i++) {\n      var url = sources[i].src;\n\n      if (url && srcUrls.indexOf(url) === -1) {\n        srcUrls.push(url);\n      }\n    } // there were no valid sources\n\n\n    if (!srcUrls.length) {\n      return false;\n    } // there is only one valid source element url\n    // use that\n\n\n    if (srcUrls.length === 1) {\n      src = srcUrls[0];\n    }\n\n    tech.triggerSourceset(src);\n    return true;\n  };\n  /**\n   * our implementation of an `innerHTML` descriptor for browsers\n   * that do not have one.\n   */\n\n\n  var innerHTMLDescriptorPolyfill = Object.defineProperty({}, 'innerHTML', {\n    get: function get() {\n      return this.cloneNode(true).innerHTML;\n    },\n    set: function set(v) {\n      // make a dummy node to use innerHTML on\n      var dummy = document.createElement(this.nodeName.toLowerCase()); // set innerHTML to the value provided\n\n      dummy.innerHTML = v; // make a document fragment to hold the nodes from dummy\n\n      var docFrag = document.createDocumentFragment(); // copy all of the nodes created by the innerHTML on dummy\n      // to the document fragment\n\n      while (dummy.childNodes.length) {\n        docFrag.appendChild(dummy.childNodes[0]);\n      } // remove content\n\n\n      this.innerText = ''; // now we add all of that html in one by appending the\n      // document fragment. This is how innerHTML does it.\n\n      window$3.Element.prototype.appendChild.call(this, docFrag); // then return the result that innerHTML's setter would\n\n      return this.innerHTML;\n    }\n  });\n  /**\n   * Get a property descriptor given a list of priorities and the\n   * property to get.\n   */\n\n  var getDescriptor = function getDescriptor(priority, prop) {\n    var descriptor = {};\n\n    for (var i = 0; i < priority.length; i++) {\n      descriptor = Object.getOwnPropertyDescriptor(priority[i], prop);\n\n      if (descriptor && descriptor.set && descriptor.get) {\n        break;\n      }\n    }\n\n    descriptor.enumerable = true;\n    descriptor.configurable = true;\n    return descriptor;\n  };\n\n  var getInnerHTMLDescriptor = function getInnerHTMLDescriptor(tech) {\n    return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, window$3.Element.prototype, innerHTMLDescriptorPolyfill], 'innerHTML');\n  };\n  /**\n   * Patches browser internal functions so that we can tell synchronously\n   * if a `<source>` was appended to the media element. For some reason this\n   * causes a `sourceset` if the the media element is ready and has no source.\n   * This happens when:\n   * - The page has just loaded and the media element does not have a source.\n   * - The media element was emptied of all sources, then `load()` was called.\n   *\n   * It does this by patching the following functions/properties when they are supported:\n   *\n   * - `append()` - can be used to add a `<source>` element to the media element\n   * - `appendChild()` - can be used to add a `<source>` element to the media element\n   * - `insertAdjacentHTML()` -  can be used to add a `<source>` element to the media element\n   * - `innerHTML` -  can be used to add a `<source>` element to the media element\n   *\n   * @param {Html5} tech\n   *        The tech object that sourceset is being setup on.\n   */\n\n\n  var firstSourceWatch = function firstSourceWatch(tech) {\n    var el = tech.el(); // make sure firstSourceWatch isn't setup twice.\n\n    if (el.resetSourceWatch_) {\n      return;\n    }\n\n    var old = {};\n    var innerDescriptor = getInnerHTMLDescriptor(tech);\n\n    var appendWrapper = function appendWrapper(appendFn) {\n      return function () {\n        for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n          args[_key] = arguments[_key];\n        }\n\n        var retval = appendFn.apply(el, args);\n        sourcesetLoad(tech);\n        return retval;\n      };\n    };\n\n    ['append', 'appendChild', 'insertAdjacentHTML'].forEach(function (k) {\n      if (!el[k]) {\n        return;\n      } // store the old function\n\n\n      old[k] = el[k]; // call the old function with a sourceset if a source\n      // was loaded\n\n      el[k] = appendWrapper(old[k]);\n    });\n    Object.defineProperty(el, 'innerHTML', mergeOptions(innerDescriptor, {\n      set: appendWrapper(innerDescriptor.set)\n    }));\n\n    el.resetSourceWatch_ = function () {\n      el.resetSourceWatch_ = null;\n      Object.keys(old).forEach(function (k) {\n        el[k] = old[k];\n      });\n      Object.defineProperty(el, 'innerHTML', innerDescriptor);\n    }; // on the first sourceset, we need to revert our changes\n\n\n    tech.one('sourceset', el.resetSourceWatch_);\n  };\n  /**\n   * our implementation of a `src` descriptor for browsers\n   * that do not have one.\n   */\n\n\n  var srcDescriptorPolyfill = Object.defineProperty({}, 'src', {\n    get: function get() {\n      if (this.hasAttribute('src')) {\n        return getAbsoluteURL(window$3.Element.prototype.getAttribute.call(this, 'src'));\n      }\n\n      return '';\n    },\n    set: function set(v) {\n      window$3.Element.prototype.setAttribute.call(this, 'src', v);\n      return v;\n    }\n  });\n\n  var getSrcDescriptor = function getSrcDescriptor(tech) {\n    return getDescriptor([tech.el(), window$3.HTMLMediaElement.prototype, srcDescriptorPolyfill], 'src');\n  };\n  /**\n   * setup `sourceset` handling on the `Html5` tech. This function\n   * patches the following element properties/functions:\n   *\n   * - `src` - to determine when `src` is set\n   * - `setAttribute()` - to determine when `src` is set\n   * - `load()` - this re-triggers the source selection algorithm, and can\n   *              cause a sourceset.\n   *\n   * If there is no source when we are adding `sourceset` support or during a `load()`\n   * we also patch the functions listed in `firstSourceWatch`.\n   *\n   * @param {Html5} tech\n   *        The tech to patch\n   */\n\n\n  var setupSourceset = function setupSourceset(tech) {\n    if (!tech.featuresSourceset) {\n      return;\n    }\n\n    var el = tech.el(); // make sure sourceset isn't setup twice.\n\n    if (el.resetSourceset_) {\n      return;\n    }\n\n    var srcDescriptor = getSrcDescriptor(tech);\n    var oldSetAttribute = el.setAttribute;\n    var oldLoad = el.load;\n    Object.defineProperty(el, 'src', mergeOptions(srcDescriptor, {\n      set: function set(v) {\n        var retval = srcDescriptor.set.call(el, v); // we use the getter here to get the actual value set on src\n\n        tech.triggerSourceset(el.src);\n        return retval;\n      }\n    }));\n\n    el.setAttribute = function (n, v) {\n      var retval = oldSetAttribute.call(el, n, v);\n\n      if (/src/i.test(n)) {\n        tech.triggerSourceset(el.src);\n      }\n\n      return retval;\n    };\n\n    el.load = function () {\n      var retval = oldLoad.call(el); // if load was called, but there was no source to fire\n      // sourceset on. We have to watch for a source append\n      // as that can trigger a `sourceset` when the media element\n      // has no source\n\n      if (!sourcesetLoad(tech)) {\n        tech.triggerSourceset('');\n        firstSourceWatch(tech);\n      }\n\n      return retval;\n    };\n\n    if (el.currentSrc) {\n      tech.triggerSourceset(el.currentSrc);\n    } else if (!sourcesetLoad(tech)) {\n      firstSourceWatch(tech);\n    }\n\n    el.resetSourceset_ = function () {\n      el.resetSourceset_ = null;\n      el.load = oldLoad;\n      el.setAttribute = oldSetAttribute;\n      Object.defineProperty(el, 'src', srcDescriptor);\n\n      if (el.resetSourceWatch_) {\n        el.resetSourceWatch_();\n      }\n    };\n  };\n\n  /**\n   * Object.defineProperty but \"lazy\", which means that the value is only set after\n   * it retrieved the first time, rather than being set right away.\n   *\n   * @param {Object} obj the object to set the property on\n   * @param {string} key the key for the property to set\n   * @param {Function} getValue the function used to get the value when it is needed.\n   * @param {boolean} setter wether a setter shoould be allowed or not\n   */\n  var defineLazyProperty = function defineLazyProperty(obj, key, getValue, setter) {\n    if (setter === void 0) {\n      setter = true;\n    }\n\n    var set = function set(value) {\n      return Object.defineProperty(obj, key, {\n        value: value,\n        enumerable: true,\n        writable: true\n      });\n    };\n\n    var options = {\n      configurable: true,\n      enumerable: true,\n      get: function get() {\n        var value = getValue();\n        set(value);\n        return value;\n      }\n    };\n\n    if (setter) {\n      options.set = set;\n    }\n\n    return Object.defineProperty(obj, key, options);\n  };\n\n  /**\n   * HTML5 Media Controller - Wrapper for HTML5 Media API\n   *\n   * @mixes Tech~SourceHandlerAdditions\n   * @extends Tech\n   */\n\n  var Html5 = /*#__PURE__*/function (_Tech) {\n    inheritsLoose(Html5, _Tech);\n\n    /**\n    * Create an instance of this Tech.\n    *\n    * @param {Object} [options]\n    *        The key/value store of player options.\n    *\n    * @param {Component~ReadyCallback} ready\n    *        Callback function to call when the `HTML5` Tech is ready.\n    */\n    function Html5(options, ready) {\n      var _this;\n\n      _this = _Tech.call(this, options, ready) || this;\n      var source = options.source;\n      var crossoriginTracks = false; // Set the source if one is provided\n      // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)\n      // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source\n      // anyway so the error gets fired.\n\n      if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {\n        _this.setSource(source);\n      } else {\n        _this.handleLateInit_(_this.el_);\n      } // setup sourceset after late sourceset/init\n\n\n      if (options.enableSourceset) {\n        _this.setupSourcesetHandling_();\n      }\n\n      if (_this.el_.hasChildNodes()) {\n        var nodes = _this.el_.childNodes;\n        var nodesLength = nodes.length;\n        var removeNodes = [];\n\n        while (nodesLength--) {\n          var node = nodes[nodesLength];\n          var nodeName = node.nodeName.toLowerCase();\n\n          if (nodeName === 'track') {\n            if (!_this.featuresNativeTextTracks) {\n              // Empty video tag tracks so the built-in player doesn't use them also.\n              // This may not be fast enough to stop HTML5 browsers from reading the tags\n              // so we'll need to turn off any default tracks if we're manually doing\n              // captions and subtitles. videoElement.textTracks\n              removeNodes.push(node);\n            } else {\n              // store HTMLTrackElement and TextTrack to remote list\n              _this.remoteTextTrackEls().addTrackElement_(node);\n\n              _this.remoteTextTracks().addTrack(node.track);\n\n              _this.textTracks().addTrack(node.track);\n\n              if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {\n                crossoriginTracks = true;\n              }\n            }\n          }\n        }\n\n        for (var i = 0; i < removeNodes.length; i++) {\n          _this.el_.removeChild(removeNodes[i]);\n        }\n      }\n\n      _this.proxyNativeTracks_();\n\n      if (_this.featuresNativeTextTracks && crossoriginTracks) {\n        log.warn('Text Tracks are being loaded from another origin but the crossorigin attribute isn\\'t used.\\n' + 'This may prevent text tracks from loading.');\n      } // prevent iOS Safari from disabling metadata text tracks during native playback\n\n\n      _this.restoreMetadataTracksInIOSNativePlayer_(); // Determine if native controls should be used\n      // Our goal should be to get the custom controls on mobile solid everywhere\n      // so we can remove this all together. Right now this will block custom\n      // controls on touch enabled laptops like the Chrome Pixel\n\n\n      if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {\n        _this.setControls(true);\n      } // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`\n      // into a `fullscreenchange` event\n\n\n      _this.proxyWebkitFullscreen_();\n\n      _this.triggerReady();\n\n      return _this;\n    }\n    /**\n     * Dispose of `HTML5` media element and remove all tracks.\n     */\n\n\n    var _proto = Html5.prototype;\n\n    _proto.dispose = function dispose() {\n      if (this.el_ && this.el_.resetSourceset_) {\n        this.el_.resetSourceset_();\n      }\n\n      Html5.disposeMediaElement(this.el_);\n      this.options_ = null; // tech will handle clearing of the emulated track list\n\n      _Tech.prototype.dispose.call(this);\n    }\n    /**\n     * Modify the media element so that we can detect when\n     * the source is changed. Fires `sourceset` just after the source has changed\n     */\n    ;\n\n    _proto.setupSourcesetHandling_ = function setupSourcesetHandling_() {\n      setupSourceset(this);\n    }\n    /**\n     * When a captions track is enabled in the iOS Safari native player, all other\n     * tracks are disabled (including metadata tracks), which nulls all of their\n     * associated cue points. This will restore metadata tracks to their pre-fullscreen\n     * state in those cases so that cue points are not needlessly lost.\n     *\n     * @private\n     */\n    ;\n\n    _proto.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {\n      var textTracks = this.textTracks();\n      var metadataTracksPreFullscreenState; // captures a snapshot of every metadata track's current state\n\n      var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {\n        metadataTracksPreFullscreenState = [];\n\n        for (var i = 0; i < textTracks.length; i++) {\n          var track = textTracks[i];\n\n          if (track.kind === 'metadata') {\n            metadataTracksPreFullscreenState.push({\n              track: track,\n              storedMode: track.mode\n            });\n          }\n        }\n      }; // snapshot each metadata track's initial state, and update the snapshot\n      // each time there is a track 'change' event\n\n\n      takeMetadataTrackSnapshot();\n      textTracks.addEventListener('change', takeMetadataTrackSnapshot);\n      this.on('dispose', function () {\n        return textTracks.removeEventListener('change', takeMetadataTrackSnapshot);\n      });\n\n      var restoreTrackMode = function restoreTrackMode() {\n        for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {\n          var storedTrack = metadataTracksPreFullscreenState[i];\n\n          if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {\n            storedTrack.track.mode = storedTrack.storedMode;\n          }\n        } // we only want this handler to be executed on the first 'change' event\n\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n      }; // when we enter fullscreen playback, stop updating the snapshot and\n      // restore all track modes to their pre-fullscreen state\n\n\n      this.on('webkitbeginfullscreen', function () {\n        textTracks.removeEventListener('change', takeMetadataTrackSnapshot); // remove the listener before adding it just in case it wasn't previously removed\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n        textTracks.addEventListener('change', restoreTrackMode);\n      }); // start updating the snapshot again after leaving fullscreen\n\n      this.on('webkitendfullscreen', function () {\n        // remove the listener before adding it just in case it wasn't previously removed\n        textTracks.removeEventListener('change', takeMetadataTrackSnapshot);\n        textTracks.addEventListener('change', takeMetadataTrackSnapshot); // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback\n\n        textTracks.removeEventListener('change', restoreTrackMode);\n      });\n    }\n    /**\n     * Attempt to force override of tracks for the given type\n     *\n     * @param {string} type - Track type to override, possible values include 'Audio',\n     * 'Video', and 'Text'.\n     * @param {boolean} override - If set to true native audio/video will be overridden,\n     * otherwise native audio/video will potentially be used.\n     * @private\n     */\n    ;\n\n    _proto.overrideNative_ = function overrideNative_(type, override) {\n      var _this2 = this;\n\n      // If there is no behavioral change don't add/remove listeners\n      if (override !== this[\"featuresNative\" + type + \"Tracks\"]) {\n        return;\n      }\n\n      var lowerCaseType = type.toLowerCase();\n\n      if (this[lowerCaseType + \"TracksListeners_\"]) {\n        Object.keys(this[lowerCaseType + \"TracksListeners_\"]).forEach(function (eventName) {\n          var elTracks = _this2.el()[lowerCaseType + \"Tracks\"];\n\n          elTracks.removeEventListener(eventName, _this2[lowerCaseType + \"TracksListeners_\"][eventName]);\n        });\n      }\n\n      this[\"featuresNative\" + type + \"Tracks\"] = !override;\n      this[lowerCaseType + \"TracksListeners_\"] = null;\n      this.proxyNativeTracksForType_(lowerCaseType);\n    }\n    /**\n     * Attempt to force override of native audio tracks.\n     *\n     * @param {boolean} override - If set to true native audio will be overridden,\n     * otherwise native audio will potentially be used.\n     */\n    ;\n\n    _proto.overrideNativeAudioTracks = function overrideNativeAudioTracks(override) {\n      this.overrideNative_('Audio', override);\n    }\n    /**\n     * Attempt to force override of native video tracks.\n     *\n     * @param {boolean} override - If set to true native video will be overridden,\n     * otherwise native video will potentially be used.\n     */\n    ;\n\n    _proto.overrideNativeVideoTracks = function overrideNativeVideoTracks(override) {\n      this.overrideNative_('Video', override);\n    }\n    /**\n     * Proxy native track list events for the given type to our track\n     * lists if the browser we are playing in supports that type of track list.\n     *\n     * @param {string} name - Track type; values include 'audio', 'video', and 'text'\n     * @private\n     */\n    ;\n\n    _proto.proxyNativeTracksForType_ = function proxyNativeTracksForType_(name) {\n      var _this3 = this;\n\n      var props = NORMAL[name];\n      var elTracks = this.el()[props.getterName];\n      var techTracks = this[props.getterName]();\n\n      if (!this[\"featuresNative\" + props.capitalName + \"Tracks\"] || !elTracks || !elTracks.addEventListener) {\n        return;\n      }\n\n      var listeners = {\n        change: function change(e) {\n          var event = {\n            type: 'change',\n            target: techTracks,\n            currentTarget: techTracks,\n            srcElement: techTracks\n          };\n          techTracks.trigger(event); // if we are a text track change event, we should also notify the\n          // remote text track list. This can potentially cause a false positive\n          // if we were to get a change event on a non-remote track and\n          // we triggered the event on the remote text track list which doesn't\n          // contain that track. However, best practices mean looping through the\n          // list of tracks and searching for the appropriate mode value, so,\n          // this shouldn't pose an issue\n\n          if (name === 'text') {\n            _this3[REMOTE.remoteText.getterName]().trigger(event);\n          }\n        },\n        addtrack: function addtrack(e) {\n          techTracks.addTrack(e.track);\n        },\n        removetrack: function removetrack(e) {\n          techTracks.removeTrack(e.track);\n        }\n      };\n\n      var removeOldTracks = function removeOldTracks() {\n        var removeTracks = [];\n\n        for (var i = 0; i < techTracks.length; i++) {\n          var found = false;\n\n          for (var j = 0; j < elTracks.length; j++) {\n            if (elTracks[j] === techTracks[i]) {\n              found = true;\n              break;\n            }\n          }\n\n          if (!found) {\n            removeTracks.push(techTracks[i]);\n          }\n        }\n\n        while (removeTracks.length) {\n          techTracks.removeTrack(removeTracks.shift());\n        }\n      };\n\n      this[props.getterName + 'Listeners_'] = listeners;\n      Object.keys(listeners).forEach(function (eventName) {\n        var listener = listeners[eventName];\n        elTracks.addEventListener(eventName, listener);\n\n        _this3.on('dispose', function (e) {\n          return elTracks.removeEventListener(eventName, listener);\n        });\n      }); // Remove (native) tracks that are not used anymore\n\n      this.on('loadstart', removeOldTracks);\n      this.on('dispose', function (e) {\n        return _this3.off('loadstart', removeOldTracks);\n      });\n    }\n    /**\n     * Proxy all native track list events to our track lists if the browser we are playing\n     * in supports that type of track list.\n     *\n     * @private\n     */\n    ;\n\n    _proto.proxyNativeTracks_ = function proxyNativeTracks_() {\n      var _this4 = this;\n\n      NORMAL.names.forEach(function (name) {\n        _this4.proxyNativeTracksForType_(name);\n      });\n    }\n    /**\n     * Create the `Html5` Tech's DOM element.\n     *\n     * @return {Element}\n     *         The element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var el = this.options_.tag; // Check if this browser supports moving the element into the box.\n      // On the iPhone video will break if you move the element,\n      // So we have to create a brand new element.\n      // If we ingested the player div, we do not need to move the media element.\n\n      if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {\n        // If the original tag is still there, clone and remove it.\n        if (el) {\n          var clone = el.cloneNode(true);\n\n          if (el.parentNode) {\n            el.parentNode.insertBefore(clone, el);\n          }\n\n          Html5.disposeMediaElement(el);\n          el = clone;\n        } else {\n          el = document.createElement('video'); // determine if native controls should be used\n\n          var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);\n          var attributes = mergeOptions({}, tagAttributes);\n\n          if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {\n            delete attributes.controls;\n          }\n\n          setAttributes(el, assign(attributes, {\n            id: this.options_.techId,\n            \"class\": 'vjs-tech'\n          }));\n        }\n\n        el.playerId = this.options_.playerId;\n      }\n\n      if (typeof this.options_.preload !== 'undefined') {\n        setAttribute(el, 'preload', this.options_.preload);\n      } // Update specific tag settings, in case they were overridden\n      // `autoplay` has to be *last* so that `muted` and `playsinline` are present\n      // when iOS/Safari or other browsers attempt to autoplay.\n\n\n      var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];\n\n      for (var i = 0; i < settingsAttrs.length; i++) {\n        var attr = settingsAttrs[i];\n        var value = this.options_[attr];\n\n        if (typeof value !== 'undefined') {\n          if (value) {\n            setAttribute(el, attr, attr);\n          } else {\n            removeAttribute(el, attr);\n          }\n\n          el[attr] = value;\n        }\n      }\n\n      return el;\n    }\n    /**\n     * This will be triggered if the loadstart event has already fired, before videojs was\n     * ready. Two known examples of when this can happen are:\n     * 1. If we're loading the playback object after it has started loading\n     * 2. The media is already playing the (often with autoplay on) then\n     *\n     * This function will fire another loadstart so that videojs can catchup.\n     *\n     * @fires Tech#loadstart\n     *\n     * @return {undefined}\n     *         returns nothing.\n     */\n    ;\n\n    _proto.handleLateInit_ = function handleLateInit_(el) {\n      if (el.networkState === 0 || el.networkState === 3) {\n        // The video element hasn't started loading the source yet\n        // or didn't find a source\n        return;\n      }\n\n      if (el.readyState === 0) {\n        // NetworkState is set synchronously BUT loadstart is fired at the\n        // end of the current stack, usually before setInterval(fn, 0).\n        // So at this point we know loadstart may have already fired or is\n        // about to fire, and either way the player hasn't seen it yet.\n        // We don't want to fire loadstart prematurely here and cause a\n        // double loadstart so we'll wait and see if it happens between now\n        // and the next loop, and fire it if not.\n        // HOWEVER, we also want to make sure it fires before loadedmetadata\n        // which could also happen between now and the next loop, so we'll\n        // watch for that also.\n        var loadstartFired = false;\n\n        var setLoadstartFired = function setLoadstartFired() {\n          loadstartFired = true;\n        };\n\n        this.on('loadstart', setLoadstartFired);\n\n        var triggerLoadstart = function triggerLoadstart() {\n          // We did miss the original loadstart. Make sure the player\n          // sees loadstart before loadedmetadata\n          if (!loadstartFired) {\n            this.trigger('loadstart');\n          }\n        };\n\n        this.on('loadedmetadata', triggerLoadstart);\n        this.ready(function () {\n          this.off('loadstart', setLoadstartFired);\n          this.off('loadedmetadata', triggerLoadstart);\n\n          if (!loadstartFired) {\n            // We did miss the original native loadstart. Fire it now.\n            this.trigger('loadstart');\n          }\n        });\n        return;\n      } // From here on we know that loadstart already fired and we missed it.\n      // The other readyState events aren't as much of a problem if we double\n      // them, so not going to go to as much trouble as loadstart to prevent\n      // that unless we find reason to.\n\n\n      var eventsToTrigger = ['loadstart']; // loadedmetadata: newly equal to HAVE_METADATA (1) or greater\n\n      eventsToTrigger.push('loadedmetadata'); // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater\n\n      if (el.readyState >= 2) {\n        eventsToTrigger.push('loadeddata');\n      } // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater\n\n\n      if (el.readyState >= 3) {\n        eventsToTrigger.push('canplay');\n      } // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)\n\n\n      if (el.readyState >= 4) {\n        eventsToTrigger.push('canplaythrough');\n      } // We still need to give the player time to add event listeners\n\n\n      this.ready(function () {\n        eventsToTrigger.forEach(function (type) {\n          this.trigger(type);\n        }, this);\n      });\n    }\n    /**\n     * Set current time for the `HTML5` tech.\n     *\n     * @param {number} seconds\n     *        Set the current time of the media to this.\n     */\n    ;\n\n    _proto.setCurrentTime = function setCurrentTime(seconds) {\n      try {\n        this.el_.currentTime = seconds;\n      } catch (e) {\n        log(e, 'Video is not ready. (Video.js)'); // this.warning(VideoJS.warnings.videoNotReady);\n      }\n    }\n    /**\n     * Get the current duration of the HTML5 media element.\n     *\n     * @return {number}\n     *         The duration of the media or 0 if there is no duration.\n     */\n    ;\n\n    _proto.duration = function duration() {\n      var _this5 = this;\n\n      // Android Chrome will report duration as Infinity for VOD HLS until after\n      // playback has started, which triggers the live display erroneously.\n      // Return NaN if playback has not started and trigger a durationupdate once\n      // the duration can be reliably known.\n      if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {\n        // Wait for the first `timeupdate` with currentTime > 0 - there may be\n        // several with 0\n        var checkProgress = function checkProgress() {\n          if (_this5.el_.currentTime > 0) {\n            // Trigger durationchange for genuinely live video\n            if (_this5.el_.duration === Infinity) {\n              _this5.trigger('durationchange');\n            }\n\n            _this5.off('timeupdate', checkProgress);\n          }\n        };\n\n        this.on('timeupdate', checkProgress);\n        return NaN;\n      }\n\n      return this.el_.duration || NaN;\n    }\n    /**\n     * Get the current width of the HTML5 media element.\n     *\n     * @return {number}\n     *         The width of the HTML5 media element.\n     */\n    ;\n\n    _proto.width = function width() {\n      return this.el_.offsetWidth;\n    }\n    /**\n     * Get the current height of the HTML5 media element.\n     *\n     * @return {number}\n     *         The height of the HTML5 media element.\n     */\n    ;\n\n    _proto.height = function height() {\n      return this.el_.offsetHeight;\n    }\n    /**\n     * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into\n     * `fullscreenchange` event.\n     *\n     * @private\n     * @fires fullscreenchange\n     * @listens webkitendfullscreen\n     * @listens webkitbeginfullscreen\n     * @listens webkitbeginfullscreen\n     */\n    ;\n\n    _proto.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {\n      var _this6 = this;\n\n      if (!('webkitDisplayingFullscreen' in this.el_)) {\n        return;\n      }\n\n      var endFn = function endFn() {\n        this.trigger('fullscreenchange', {\n          isFullscreen: false\n        });\n      };\n\n      var beginFn = function beginFn() {\n        if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {\n          this.one('webkitendfullscreen', endFn);\n          this.trigger('fullscreenchange', {\n            isFullscreen: true\n          });\n        }\n      };\n\n      this.on('webkitbeginfullscreen', beginFn);\n      this.on('dispose', function () {\n        _this6.off('webkitbeginfullscreen', beginFn);\n\n        _this6.off('webkitendfullscreen', endFn);\n      });\n    }\n    /**\n     * Check if fullscreen is supported on the current playback device.\n     *\n     * @return {boolean}\n     *         - True if fullscreen is supported.\n     *         - False if fullscreen is not supported.\n     */\n    ;\n\n    _proto.supportsFullScreen = function supportsFullScreen() {\n      if (typeof this.el_.webkitEnterFullScreen === 'function') {\n        var userAgent = window$3.navigator && window$3.navigator.userAgent || ''; // Seems to be broken in Chromium/Chrome && Safari in Leopard\n\n        if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {\n          return true;\n        }\n      }\n\n      return false;\n    }\n    /**\n     * Request that the `HTML5` Tech enter fullscreen.\n     */\n    ;\n\n    _proto.enterFullScreen = function enterFullScreen() {\n      var video = this.el_;\n\n      if (video.paused && video.networkState <= video.HAVE_METADATA) {\n        // attempt to prime the video element for programmatic access\n        // this isn't necessary on the desktop but shouldn't hurt\n        this.el_.play(); // playing and pausing synchronously during the transition to fullscreen\n        // can get iOS ~6.1 devices into a play/pause loop\n\n        this.setTimeout(function () {\n          video.pause();\n          video.webkitEnterFullScreen();\n        }, 0);\n      } else {\n        video.webkitEnterFullScreen();\n      }\n    }\n    /**\n     * Request that the `HTML5` Tech exit fullscreen.\n     */\n    ;\n\n    _proto.exitFullScreen = function exitFullScreen() {\n      this.el_.webkitExitFullScreen();\n    }\n    /**\n     * Create a floating video window always on top of other windows so that users may\n     * continue consuming media while they interact with other content sites, or\n     * applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @return {Promise}\n     *         A promise with a Picture-in-Picture window.\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      return this.el_.requestPictureInPicture();\n    }\n    /**\n     * A getter/setter for the `Html5` Tech's source object.\n     * > Note: Please use {@link Html5#setSource}\n     *\n     * @param {Tech~SourceObject} [src]\n     *        The source object you want to set on the `HTML5` techs element.\n     *\n     * @return {Tech~SourceObject|undefined}\n     *         - The current source object when a source is not passed in.\n     *         - undefined when setting\n     *\n     * @deprecated Since version 5.\n     */\n    ;\n\n    _proto.src = function src(_src) {\n      if (_src === undefined) {\n        return this.el_.src;\n      } // Setting src through `src` instead of `setSrc` will be deprecated\n\n\n      this.setSrc(_src);\n    }\n    /**\n     * Reset the tech by removing all sources and then calling\n     * {@link Html5.resetMediaElement}.\n     */\n    ;\n\n    _proto.reset = function reset() {\n      Html5.resetMediaElement(this.el_);\n    }\n    /**\n     * Get the current source on the `HTML5` Tech. Falls back to returning the source from\n     * the HTML5 media element.\n     *\n     * @return {Tech~SourceObject}\n     *         The current source object from the HTML5 tech. With a fallback to the\n     *         elements source.\n     */\n    ;\n\n    _proto.currentSrc = function currentSrc() {\n      if (this.currentSource_) {\n        return this.currentSource_.src;\n      }\n\n      return this.el_.currentSrc;\n    }\n    /**\n     * Set controls attribute for the HTML5 media Element.\n     *\n     * @param {string} val\n     *        Value to set the controls attribute to\n     */\n    ;\n\n    _proto.setControls = function setControls(val) {\n      this.el_.controls = !!val;\n    }\n    /**\n     * Create and returns a remote {@link TextTrack} object.\n     *\n     * @param {string} kind\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)\n     *\n     * @param {string} [label]\n     *        Label to identify the text track\n     *\n     * @param {string} [language]\n     *        Two letter language abbreviation\n     *\n     * @return {TextTrack}\n     *         The TextTrack that gets created.\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (!this.featuresNativeTextTracks) {\n        return _Tech.prototype.addTextTrack.call(this, kind, label, language);\n      }\n\n      return this.el_.addTextTrack(kind, label, language);\n    }\n    /**\n     * Creates either native TextTrack or an emulated TextTrack depending\n     * on the value of `featuresNativeTextTracks`\n     *\n     * @param {Object} options\n     *        The object should contain the options to initialize the TextTrack with.\n     *\n     * @param {string} [options.kind]\n     *        `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).\n     *\n     * @param {string} [options.label]\n     *        Label to identify the text track\n     *\n     * @param {string} [options.language]\n     *        Two letter language abbreviation.\n     *\n     * @param {boolean} [options.default]\n     *        Default this track to on.\n     *\n     * @param {string} [options.id]\n     *        The internal id to assign this track.\n     *\n     * @param {string} [options.src]\n     *        A source url for the track.\n     *\n     * @return {HTMLTrackElement}\n     *         The track element that gets created.\n     */\n    ;\n\n    _proto.createRemoteTextTrack = function createRemoteTextTrack(options) {\n      if (!this.featuresNativeTextTracks) {\n        return _Tech.prototype.createRemoteTextTrack.call(this, options);\n      }\n\n      var htmlTrackElement = document.createElement('track');\n\n      if (options.kind) {\n        htmlTrackElement.kind = options.kind;\n      }\n\n      if (options.label) {\n        htmlTrackElement.label = options.label;\n      }\n\n      if (options.language || options.srclang) {\n        htmlTrackElement.srclang = options.language || options.srclang;\n      }\n\n      if (options[\"default\"]) {\n        htmlTrackElement[\"default\"] = options[\"default\"];\n      }\n\n      if (options.id) {\n        htmlTrackElement.id = options.id;\n      }\n\n      if (options.src) {\n        htmlTrackElement.src = options.src;\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Creates a remote text track object and returns an html track element.\n     *\n     * @param {Object} options The object should contain values for\n     * kind, language, label, and src (location of the WebVTT file)\n     * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be\n     * automatically removed from the video element whenever the source changes\n     * @return {HTMLTrackElement} An Html Track Element.\n     * This can be an emulated {@link HTMLTrackElement} or a native one.\n     * @deprecated The default value of the \"manualCleanup\" parameter will default\n     * to \"false\" in upcoming versions of Video.js\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);\n\n      if (this.featuresNativeTextTracks) {\n        this.el().appendChild(htmlTrackElement);\n      }\n\n      return htmlTrackElement;\n    }\n    /**\n     * Remove remote `TextTrack` from `TextTrackList` object\n     *\n     * @param {TextTrack} track\n     *        `TextTrack` object to remove\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(track) {\n      _Tech.prototype.removeRemoteTextTrack.call(this, track);\n\n      if (this.featuresNativeTextTracks) {\n        var tracks = this.$$('track');\n        var i = tracks.length;\n\n        while (i--) {\n          if (track === tracks[i] || track === tracks[i].track) {\n            this.el().removeChild(tracks[i]);\n          }\n        }\n      }\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object}\n     *         An object with supported media playback quality metrics\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      if (typeof this.el().getVideoPlaybackQuality === 'function') {\n        return this.el().getVideoPlaybackQuality();\n      }\n\n      var videoPlaybackQuality = {};\n\n      if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {\n        videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;\n        videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;\n      }\n\n      if (window$3.performance && typeof window$3.performance.now === 'function') {\n        videoPlaybackQuality.creationTime = window$3.performance.now();\n      } else if (window$3.performance && window$3.performance.timing && typeof window$3.performance.timing.navigationStart === 'number') {\n        videoPlaybackQuality.creationTime = window$3.Date.now() - window$3.performance.timing.navigationStart;\n      }\n\n      return videoPlaybackQuality;\n    };\n\n    return Html5;\n  }(Tech);\n  /* HTML5 Support Testing ---------------------------------------------------- */\n\n  /**\n   * Element for testing browser HTML5 media capabilities\n   *\n   * @type {Element}\n   * @constant\n   * @private\n   */\n\n\n  defineLazyProperty(Html5, 'TEST_VID', function () {\n    if (!isReal()) {\n      return;\n    }\n\n    var video = document.createElement('video');\n    var track = document.createElement('track');\n    track.kind = 'captions';\n    track.srclang = 'en';\n    track.label = 'English';\n    video.appendChild(track);\n    return video;\n  });\n  /**\n   * Check if HTML5 media is supported by this browser/device.\n   *\n   * @return {boolean}\n   *         - True if HTML5 media is supported.\n   *         - False if HTML5 media is not supported.\n   */\n\n  Html5.isSupported = function () {\n    // IE with no Media Player is a LIAR! (#984)\n    try {\n      Html5.TEST_VID.volume = 0.5;\n    } catch (e) {\n      return false;\n    }\n\n    return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);\n  };\n  /**\n   * Check if the tech can support the given type\n   *\n   * @param {string} type\n   *        The mimetype to check\n   * @return {string} 'probably', 'maybe', or '' (empty string)\n   */\n\n\n  Html5.canPlayType = function (type) {\n    return Html5.TEST_VID.canPlayType(type);\n  };\n  /**\n   * Check if the tech can support the given source\n   *\n   * @param {Object} srcObj\n   *        The source object\n   * @param {Object} options\n   *        The options passed to the tech\n   * @return {string} 'probably', 'maybe', or '' (empty string)\n   */\n\n\n  Html5.canPlaySource = function (srcObj, options) {\n    return Html5.canPlayType(srcObj.type);\n  };\n  /**\n   * Check if the volume can be changed in this browser/device.\n   * Volume cannot be changed in a lot of mobile devices.\n   * Specifically, it can't be changed from 1 on iOS.\n   *\n   * @return {boolean}\n   *         - True if volume can be controlled\n   *         - False otherwise\n   */\n\n\n  Html5.canControlVolume = function () {\n    // IE will error if Windows Media Player not installed #3315\n    try {\n      var volume = Html5.TEST_VID.volume;\n      Html5.TEST_VID.volume = volume / 2 + 0.1;\n      return volume !== Html5.TEST_VID.volume;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if the volume can be muted in this browser/device.\n   * Some devices, e.g. iOS, don't allow changing volume\n   * but permits muting/unmuting.\n   *\n   * @return {bolean}\n   *      - True if volume can be muted\n   *      - False otherwise\n   */\n\n\n  Html5.canMuteVolume = function () {\n    try {\n      var muted = Html5.TEST_VID.muted; // in some versions of iOS muted property doesn't always\n      // work, so we want to set both property and attribute\n\n      Html5.TEST_VID.muted = !muted;\n\n      if (Html5.TEST_VID.muted) {\n        setAttribute(Html5.TEST_VID, 'muted', 'muted');\n      } else {\n        removeAttribute(Html5.TEST_VID, 'muted', 'muted');\n      }\n\n      return muted !== Html5.TEST_VID.muted;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if the playback rate can be changed in this browser/device.\n   *\n   * @return {boolean}\n   *         - True if playback rate can be controlled\n   *         - False otherwise\n   */\n\n\n  Html5.canControlPlaybackRate = function () {\n    // Playback rate API is implemented in Android Chrome, but doesn't do anything\n    // https://github.com/videojs/video.js/issues/3180\n    if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {\n      return false;\n    } // IE will error if Windows Media Player not installed #3315\n\n\n    try {\n      var playbackRate = Html5.TEST_VID.playbackRate;\n      Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;\n      return playbackRate !== Html5.TEST_VID.playbackRate;\n    } catch (e) {\n      return false;\n    }\n  };\n  /**\n   * Check if we can override a video/audio elements attributes, with\n   * Object.defineProperty.\n   *\n   * @return {boolean}\n   *         - True if builtin attributes can be overridden\n   *         - False otherwise\n   */\n\n\n  Html5.canOverrideAttributes = function () {\n    // if we cannot overwrite the src/innerHTML property, there is no support\n    // iOS 7 safari for instance cannot do this.\n    try {\n      var noop = function noop() {};\n\n      Object.defineProperty(document.createElement('video'), 'src', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('audio'), 'src', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('video'), 'innerHTML', {\n        get: noop,\n        set: noop\n      });\n      Object.defineProperty(document.createElement('audio'), 'innerHTML', {\n        get: noop,\n        set: noop\n      });\n    } catch (e) {\n      return false;\n    }\n\n    return true;\n  };\n  /**\n   * Check to see if native `TextTrack`s are supported by this browser/device.\n   *\n   * @return {boolean}\n   *         - True if native `TextTrack`s are supported.\n   *         - False otherwise\n   */\n\n\n  Html5.supportsNativeTextTracks = function () {\n    return IS_ANY_SAFARI || IS_IOS && IS_CHROME;\n  };\n  /**\n   * Check to see if native `VideoTrack`s are supported by this browser/device\n   *\n   * @return {boolean}\n   *        - True if native `VideoTrack`s are supported.\n   *        - False otherwise\n   */\n\n\n  Html5.supportsNativeVideoTracks = function () {\n    return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);\n  };\n  /**\n   * Check to see if native `AudioTrack`s are supported by this browser/device\n   *\n   * @return {boolean}\n   *        - True if native `AudioTrack`s are supported.\n   *        - False otherwise\n   */\n\n\n  Html5.supportsNativeAudioTracks = function () {\n    return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);\n  };\n  /**\n   * An array of events available on the Html5 tech.\n   *\n   * @private\n   * @type {Array}\n   */\n\n\n  Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];\n  /**\n   * Boolean indicating whether the `Tech` supports volume control.\n   *\n   * @type {boolean}\n   * @default {@link Html5.canControlVolume}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports muting volume.\n   *\n   * @type {bolean}\n   * @default {@link Html5.canMuteVolume}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports changing the speed at which the media\n   * plays. Examples:\n   *   - Set player to play 2x (twice) as fast\n   *   - Set player to play 0.5x (half) as fast\n   *\n   * @type {boolean}\n   * @default {@link Html5.canControlPlaybackRate}\n   */\n\n  /**\n   * Boolean indicating whether the `Tech` supports the `sourceset` event.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeTextTracks}\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeVideoTracks}\n   */\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.\n   *\n   * @type {boolean}\n   * @default {@link Html5.supportsNativeAudioTracks}\n   */\n\n  [['featuresVolumeControl', 'canControlVolume'], ['featuresMuteControl', 'canMuteVolume'], ['featuresPlaybackRate', 'canControlPlaybackRate'], ['featuresSourceset', 'canOverrideAttributes'], ['featuresNativeTextTracks', 'supportsNativeTextTracks'], ['featuresNativeVideoTracks', 'supportsNativeVideoTracks'], ['featuresNativeAudioTracks', 'supportsNativeAudioTracks']].forEach(function (_ref) {\n    var key = _ref[0],\n        fn = _ref[1];\n    defineLazyProperty(Html5.prototype, key, function () {\n      return Html5[fn]();\n    }, true);\n  });\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the media element\n   * moving in the DOM. iOS breaks if you move the media element, so this is set this to\n   * false there. Everywhere else this should be true.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.movingMediaElementInDOM = !IS_IOS; // TODO: Previous comment: No longer appears to be used. Can probably be removed.\n  //       Is this true?\n\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports automatic media resize\n   * when going into fullscreen.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.featuresFullscreenResize = true;\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the progress event.\n   * If this is false, manual `progress` events will be triggered instead.\n   *\n   * @type {boolean}\n   * @default\n   */\n\n  Html5.prototype.featuresProgressEvents = true;\n  /**\n   * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.\n   * If this is false, manual `timeupdate` events will be triggered instead.\n   *\n   * @default\n   */\n\n  Html5.prototype.featuresTimeupdateEvents = true; // HTML5 Feature detection and Device Fixes --------------------------------- //\n\n  var canPlayType;\n\n  Html5.patchCanPlayType = function () {\n    // Android 4.0 and above can play HLS to some extent but it reports being unable to do so\n    // Firefox and Chrome report correctly\n    if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX && !IS_CHROME) {\n      canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;\n\n      Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {\n        var mpegurlRE = /^application\\/(?:x-|vnd\\.apple\\.)mpegurl/i;\n\n        if (type && mpegurlRE.test(type)) {\n          return 'maybe';\n        }\n\n        return canPlayType.call(this, type);\n      };\n    }\n  };\n\n  Html5.unpatchCanPlayType = function () {\n    var r = Html5.TEST_VID.constructor.prototype.canPlayType;\n\n    if (canPlayType) {\n      Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;\n    }\n\n    return r;\n  }; // by default, patch the media element\n\n\n  Html5.patchCanPlayType();\n\n  Html5.disposeMediaElement = function (el) {\n    if (!el) {\n      return;\n    }\n\n    if (el.parentNode) {\n      el.parentNode.removeChild(el);\n    } // remove any child track or source nodes to prevent their loading\n\n\n    while (el.hasChildNodes()) {\n      el.removeChild(el.firstChild);\n    } // remove any src reference. not setting `src=''` because that causes a warning\n    // in firefox\n\n\n    el.removeAttribute('src'); // force the media element to update its loading state by calling load()\n    // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)\n\n    if (typeof el.load === 'function') {\n      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)\n      (function () {\n        try {\n          el.load();\n        } catch (e) {// not supported\n        }\n      })();\n    }\n  };\n\n  Html5.resetMediaElement = function (el) {\n    if (!el) {\n      return;\n    }\n\n    var sources = el.querySelectorAll('source');\n    var i = sources.length;\n\n    while (i--) {\n      el.removeChild(sources[i]);\n    } // remove any src reference.\n    // not setting `src=''` because that throws an error\n\n\n    el.removeAttribute('src');\n\n    if (typeof el.load === 'function') {\n      // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)\n      (function () {\n        try {\n          el.load();\n        } catch (e) {// satisfy linter\n        }\n      })();\n    }\n  };\n  /* Native HTML5 element property wrapping ----------------------------------- */\n  // Wrap native boolean attributes with getters that check both property and attribute\n  // The list is as followed:\n  // muted, defaultMuted, autoplay, controls, loop, playsinline\n\n\n  [\n  /**\n   * Get the value of `muted` from the media element. `muted` indicates\n   * that the volume for the media should be set to silent. This does not actually change\n   * the `volume` attribute.\n   *\n   * @method Html5#muted\n   * @return {boolean}\n   *         - True if the value of `volume` should be ignored and the audio set to silent.\n   *         - False if the value of `volume` should be used.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}\n   */\n  'muted',\n  /**\n   * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates\n   * whether the media should start muted or not. Only changes the default state of the\n   * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the\n   * current state.\n   *\n   * @method Html5#defaultMuted\n   * @return {boolean}\n   *         - The value of `defaultMuted` from the media element.\n   *         - True indicates that the media should start muted.\n   *         - False indicates that the media should not start muted\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}\n   */\n  'defaultMuted',\n  /**\n   * Get the value of `autoplay` from the media element. `autoplay` indicates\n   * that the media should start to play as soon as the page is ready.\n   *\n   * @method Html5#autoplay\n   * @return {boolean}\n   *         - The value of `autoplay` from the media element.\n   *         - True indicates that the media should start as soon as the page loads.\n   *         - False indicates that the media should not start as soon as the page loads.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}\n   */\n  'autoplay',\n  /**\n   * Get the value of `controls` from the media element. `controls` indicates\n   * whether the native media controls should be shown or hidden.\n   *\n   * @method Html5#controls\n   * @return {boolean}\n   *         - The value of `controls` from the media element.\n   *         - True indicates that native controls should be showing.\n   *         - False indicates that native controls should be hidden.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}\n   */\n  'controls',\n  /**\n   * Get the value of `loop` from the media element. `loop` indicates\n   * that the media should return to the start of the media and continue playing once\n   * it reaches the end.\n   *\n   * @method Html5#loop\n   * @return {boolean}\n   *         - The value of `loop` from the media element.\n   *         - True indicates that playback should seek back to start once\n   *           the end of a media is reached.\n   *         - False indicates that playback should not loop back to the start when the\n   *           end of the media is reached.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}\n   */\n  'loop',\n  /**\n   * Get the value of `playsinline` from the media element. `playsinline` indicates\n   * to the browser that non-fullscreen playback is preferred when fullscreen\n   * playback is the native default, such as in iOS Safari.\n   *\n   * @method Html5#playsinline\n   * @return {boolean}\n   *         - The value of `playsinline` from the media element.\n   *         - True indicates that the media should play inline.\n   *         - False indicates that the media should not play inline.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n   */\n  'playsinline'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop] || this.el_.hasAttribute(prop);\n    };\n  }); // Wrap native boolean attributes with setters that set both property and attribute\n  // The list is as followed:\n  // setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline\n  // setControls is special-cased above\n\n  [\n  /**\n   * Set the value of `muted` on the media element. `muted` indicates that the current\n   * audio level should be silent.\n   *\n   * @method Html5#setMuted\n   * @param {boolean} muted\n   *        - True if the audio should be set to silent\n   *        - False otherwise\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}\n   */\n  'muted',\n  /**\n   * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current\n   * audio level should be silent, but will only effect the muted level on intial playback..\n   *\n   * @method Html5.prototype.setDefaultMuted\n   * @param {boolean} defaultMuted\n   *        - True if the audio should be set to silent\n   *        - False otherwise\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}\n   */\n  'defaultMuted',\n  /**\n   * Set the value of `autoplay` on the media element. `autoplay` indicates\n   * that the media should start to play as soon as the page is ready.\n   *\n   * @method Html5#setAutoplay\n   * @param {boolean} autoplay\n   *         - True indicates that the media should start as soon as the page loads.\n   *         - False indicates that the media should not start as soon as the page loads.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}\n   */\n  'autoplay',\n  /**\n   * Set the value of `loop` on the media element. `loop` indicates\n   * that the media should return to the start of the media and continue playing once\n   * it reaches the end.\n   *\n   * @method Html5#setLoop\n   * @param {boolean} loop\n   *         - True indicates that playback should seek back to start once\n   *           the end of a media is reached.\n   *         - False indicates that playback should not loop back to the start when the\n   *           end of the media is reached.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}\n   */\n  'loop',\n  /**\n   * Set the value of `playsinline` from the media element. `playsinline` indicates\n   * to the browser that non-fullscreen playback is preferred when fullscreen\n   * playback is the native default, such as in iOS Safari.\n   *\n   * @method Html5#setPlaysinline\n   * @param {boolean} playsinline\n   *         - True indicates that the media should play inline.\n   *         - False indicates that the media should not play inline.\n   *\n   * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n   */\n  'playsinline'].forEach(function (prop) {\n    Html5.prototype['set' + toTitleCase(prop)] = function (v) {\n      this.el_[prop] = v;\n\n      if (v) {\n        this.el_.setAttribute(prop, prop);\n      } else {\n        this.el_.removeAttribute(prop);\n      }\n    };\n  }); // Wrap native properties with a getter\n  // The list is as followed\n  // paused, currentTime, buffered, volume, poster, preload, error, seeking\n  // seekable, ended, playbackRate, defaultPlaybackRate, played, networkState\n  // readyState, videoWidth, videoHeight\n\n  [\n  /**\n   * Get the value of `paused` from the media element. `paused` indicates whether the media element\n   * is currently paused or not.\n   *\n   * @method Html5#paused\n   * @return {boolean}\n   *         The value of `paused` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}\n   */\n  'paused',\n  /**\n   * Get the value of `currentTime` from the media element. `currentTime` indicates\n   * the current second that the media is at in playback.\n   *\n   * @method Html5#currentTime\n   * @return {number}\n   *         The value of `currentTime` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}\n   */\n  'currentTime',\n  /**\n   * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`\n   * object that represents the parts of the media that are already downloaded and\n   * available for playback.\n   *\n   * @method Html5#buffered\n   * @return {TimeRange}\n   *         The value of `buffered` from the media element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}\n   */\n  'buffered',\n  /**\n   * Get the value of `volume` from the media element. `volume` indicates\n   * the current playback volume of audio for a media. `volume` will be a value from 0\n   * (silent) to 1 (loudest and default).\n   *\n   * @method Html5#volume\n   * @return {number}\n   *         The value of `volume` from the media element. Value will be between 0-1.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}\n   */\n  'volume',\n  /**\n   * Get the value of `poster` from the media element. `poster` indicates\n   * that the url of an image file that can/will be shown when no media data is available.\n   *\n   * @method Html5#poster\n   * @return {string}\n   *         The value of `poster` from the media element. Value will be a url to an\n   *         image.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}\n   */\n  'poster',\n  /**\n   * Get the value of `preload` from the media element. `preload` indicates\n   * what should download before the media is interacted with. It can have the following\n   * values:\n   * - none: nothing should be downloaded\n   * - metadata: poster and the first few frames of the media may be downloaded to get\n   *   media dimensions and other metadata\n   * - auto: allow the media and metadata for the media to be downloaded before\n   *    interaction\n   *\n   * @method Html5#preload\n   * @return {string}\n   *         The value of `preload` from the media element. Will be 'none', 'metadata',\n   *         or 'auto'.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}\n   */\n  'preload',\n  /**\n   * Get the value of the `error` from the media element. `error` indicates any\n   * MediaError that may have occurred during playback. If error returns null there is no\n   * current error.\n   *\n   * @method Html5#error\n   * @return {MediaError|null}\n   *         The value of `error` from the media element. Will be `MediaError` if there\n   *         is a current error and null otherwise.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}\n   */\n  'error',\n  /**\n   * Get the value of `seeking` from the media element. `seeking` indicates whether the\n   * media is currently seeking to a new position or not.\n   *\n   * @method Html5#seeking\n   * @return {boolean}\n   *         - The value of `seeking` from the media element.\n   *         - True indicates that the media is currently seeking to a new position.\n   *         - False indicates that the media is not seeking to a new position at this time.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}\n   */\n  'seeking',\n  /**\n   * Get the value of `seekable` from the media element. `seekable` returns a\n   * `TimeRange` object indicating ranges of time that can currently be `seeked` to.\n   *\n   * @method Html5#seekable\n   * @return {TimeRange}\n   *         The value of `seekable` from the media element. A `TimeRange` object\n   *         indicating the current ranges of time that can be seeked to.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}\n   */\n  'seekable',\n  /**\n   * Get the value of `ended` from the media element. `ended` indicates whether\n   * the media has reached the end or not.\n   *\n   * @method Html5#ended\n   * @return {boolean}\n   *         - The value of `ended` from the media element.\n   *         - True indicates that the media has ended.\n   *         - False indicates that the media has not ended.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}\n   */\n  'ended',\n  /**\n   * Get the value of `playbackRate` from the media element. `playbackRate` indicates\n   * the rate at which the media is currently playing back. Examples:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5#playbackRate\n   * @return {number}\n   *         The value of `playbackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'playbackRate',\n  /**\n   * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates\n   * the rate at which the media is currently playing back. This value will not indicate the current\n   * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.\n   *\n   * Examples:\n   *   - if defaultPlaybackRate is set to 2, media will play twice as fast.\n   *   - if defaultPlaybackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5.prototype.defaultPlaybackRate\n   * @return {number}\n   *         The value of `defaultPlaybackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'defaultPlaybackRate',\n  /**\n   * Get the value of `played` from the media element. `played` returns a `TimeRange`\n   * object representing points in the media timeline that have been played.\n   *\n   * @method Html5#played\n   * @return {TimeRange}\n   *         The value of `played` from the media element. A `TimeRange` object indicating\n   *         the ranges of time that have been played.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}\n   */\n  'played',\n  /**\n   * Get the value of `networkState` from the media element. `networkState` indicates\n   * the current network state. It returns an enumeration from the following list:\n   * - 0: NETWORK_EMPTY\n   * - 1: NETWORK_IDLE\n   * - 2: NETWORK_LOADING\n   * - 3: NETWORK_NO_SOURCE\n   *\n   * @method Html5#networkState\n   * @return {number}\n   *         The value of `networkState` from the media element. This will be a number\n   *         from the list in the description.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}\n   */\n  'networkState',\n  /**\n   * Get the value of `readyState` from the media element. `readyState` indicates\n   * the current state of the media element. It returns an enumeration from the\n   * following list:\n   * - 0: HAVE_NOTHING\n   * - 1: HAVE_METADATA\n   * - 2: HAVE_CURRENT_DATA\n   * - 3: HAVE_FUTURE_DATA\n   * - 4: HAVE_ENOUGH_DATA\n   *\n   * @method Html5#readyState\n   * @return {number}\n   *         The value of `readyState` from the media element. This will be a number\n   *         from the list in the description.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}\n   */\n  'readyState',\n  /**\n   * Get the value of `videoWidth` from the video element. `videoWidth` indicates\n   * the current width of the video in css pixels.\n   *\n   * @method Html5#videoWidth\n   * @return {number}\n   *         The value of `videoWidth` from the video element. This will be a number\n   *         in css pixels.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}\n   */\n  'videoWidth',\n  /**\n   * Get the value of `videoHeight` from the video element. `videoHeight` indicates\n   * the current height of the video in css pixels.\n   *\n   * @method Html5#videoHeight\n   * @return {number}\n   *         The value of `videoHeight` from the video element. This will be a number\n   *         in css pixels.\n   *\n   * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}\n   */\n  'videoHeight'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop];\n    };\n  }); // Wrap native properties with a setter in this format:\n  // set + toTitleCase(name)\n  // The list is as follows:\n  // setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate\n\n  [\n  /**\n   * Set the value of `volume` on the media element. `volume` indicates the current\n   * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n   * so on.\n   *\n   * @method Html5#setVolume\n   * @param {number} percentAsDecimal\n   *        The volume percent as a decimal. Valid range is from 0-1.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}\n   */\n  'volume',\n  /**\n   * Set the value of `src` on the media element. `src` indicates the current\n   * {@link Tech~SourceObject} for the media.\n   *\n   * @method Html5#setSrc\n   * @param {Tech~SourceObject} src\n   *        The source object to set as the current source.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}\n   */\n  'src',\n  /**\n   * Set the value of `poster` on the media element. `poster` is the url to\n   * an image file that can/will be shown when no media data is available.\n   *\n   * @method Html5#setPoster\n   * @param {string} poster\n   *        The url to an image that should be used as the `poster` for the media\n   *        element.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}\n   */\n  'poster',\n  /**\n   * Set the value of `preload` on the media element. `preload` indicates\n   * what should download before the media is interacted with. It can have the following\n   * values:\n   * - none: nothing should be downloaded\n   * - metadata: poster and the first few frames of the media may be downloaded to get\n   *   media dimensions and other metadata\n   * - auto: allow the media and metadata for the media to be downloaded before\n   *    interaction\n   *\n   * @method Html5#setPreload\n   * @param {string} preload\n   *         The value of `preload` to set on the media element. Must be 'none', 'metadata',\n   *         or 'auto'.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}\n   */\n  'preload',\n  /**\n   * Set the value of `playbackRate` on the media element. `playbackRate` indicates\n   * the rate at which the media should play back. Examples:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5#setPlaybackRate\n   * @return {number}\n   *         The value of `playbackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}\n   */\n  'playbackRate',\n  /**\n   * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates\n   * the rate at which the media should play back upon initial startup. Changing this value\n   * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.\n   *\n   * Example Values:\n   *   - if playbackRate is set to 2, media will play twice as fast.\n   *   - if playbackRate is set to 0.5, media will play half as fast.\n   *\n   * @method Html5.prototype.setDefaultPlaybackRate\n   * @return {number}\n   *         The value of `defaultPlaybackRate` from the media element. A number indicating\n   *         the current playback speed of the media, where 1 is normal speed.\n   *\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}\n   */\n  'defaultPlaybackRate'].forEach(function (prop) {\n    Html5.prototype['set' + toTitleCase(prop)] = function (v) {\n      this.el_[prop] = v;\n    };\n  }); // wrap native functions with a function\n  // The list is as follows:\n  // pause, load, play\n\n  [\n  /**\n   * A wrapper around the media elements `pause` function. This will call the `HTML5`\n   * media elements `pause` function.\n   *\n   * @method Html5#pause\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}\n   */\n  'pause',\n  /**\n   * A wrapper around the media elements `load` function. This will call the `HTML5`s\n   * media element `load` function.\n   *\n   * @method Html5#load\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}\n   */\n  'load',\n  /**\n   * A wrapper around the media elements `play` function. This will call the `HTML5`s\n   * media element `play` function.\n   *\n   * @method Html5#play\n   * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}\n   */\n  'play'].forEach(function (prop) {\n    Html5.prototype[prop] = function () {\n      return this.el_[prop]();\n    };\n  });\n  Tech.withSourceHandlers(Html5);\n  /**\n   * Native source handler for Html5, simply passes the source to the media element.\n   *\n   * @property {Tech~SourceObject} source\n   *        The source object\n   *\n   * @property {Html5} tech\n   *        The instance of the HTML5 tech.\n   */\n\n  Html5.nativeSourceHandler = {};\n  /**\n   * Check if the media element can play the given mime type.\n   *\n   * @param {string} type\n   *        The mimetype to check\n   *\n   * @return {string}\n   *         'probably', 'maybe', or '' (empty string)\n   */\n\n  Html5.nativeSourceHandler.canPlayType = function (type) {\n    // IE without MediaPlayer throws an error (#519)\n    try {\n      return Html5.TEST_VID.canPlayType(type);\n    } catch (e) {\n      return '';\n    }\n  };\n  /**\n   * Check if the media element can handle a source natively.\n   *\n   * @param {Tech~SourceObject} source\n   *         The source object\n   *\n   * @param {Object} [options]\n   *         Options to be passed to the tech.\n   *\n   * @return {string}\n   *         'probably', 'maybe', or '' (empty string).\n   */\n\n\n  Html5.nativeSourceHandler.canHandleSource = function (source, options) {\n    // If a type was provided we should rely on that\n    if (source.type) {\n      return Html5.nativeSourceHandler.canPlayType(source.type); // If no type, fall back to checking 'video/[EXTENSION]'\n    } else if (source.src) {\n      var ext = getFileExtension(source.src);\n      return Html5.nativeSourceHandler.canPlayType(\"video/\" + ext);\n    }\n\n    return '';\n  };\n  /**\n   * Pass the source to the native media element.\n   *\n   * @param {Tech~SourceObject} source\n   *        The source object\n   *\n   * @param {Html5} tech\n   *        The instance of the Html5 tech\n   *\n   * @param {Object} [options]\n   *        The options to pass to the source\n   */\n\n\n  Html5.nativeSourceHandler.handleSource = function (source, tech, options) {\n    tech.setSrc(source.src);\n  };\n  /**\n   * A noop for the native dispose function, as cleanup is not needed.\n   */\n\n\n  Html5.nativeSourceHandler.dispose = function () {}; // Register the native source handler\n\n\n  Html5.registerSourceHandler(Html5.nativeSourceHandler);\n  Tech.registerTech('Html5', Html5);\n\n  // on the player when they happen\n\n  var TECH_EVENTS_RETRIGGER = [\n  /**\n   * Fired while the user agent is downloading media data.\n   *\n   * @event Player#progress\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `progress` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechProgress_\n   * @fires Player#progress\n   * @listens Tech#progress\n   */\n  'progress',\n  /**\n   * Fires when the loading of an audio/video is aborted.\n   *\n   * @event Player#abort\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `abort` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechAbort_\n   * @fires Player#abort\n   * @listens Tech#abort\n   */\n  'abort',\n  /**\n   * Fires when the browser is intentionally not getting media data.\n   *\n   * @event Player#suspend\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `suspend` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechSuspend_\n   * @fires Player#suspend\n   * @listens Tech#suspend\n   */\n  'suspend',\n  /**\n   * Fires when the current playlist is empty.\n   *\n   * @event Player#emptied\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `emptied` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechEmptied_\n   * @fires Player#emptied\n   * @listens Tech#emptied\n   */\n  'emptied',\n  /**\n   * Fires when the browser is trying to get media data, but data is not available.\n   *\n   * @event Player#stalled\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `stalled` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechStalled_\n   * @fires Player#stalled\n   * @listens Tech#stalled\n   */\n  'stalled',\n  /**\n   * Fires when the browser has loaded meta data for the audio/video.\n   *\n   * @event Player#loadedmetadata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Retrigger the `stalled` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechLoadedmetadata_\n   * @fires Player#loadedmetadata\n   * @listens Tech#loadedmetadata\n   */\n  'loadedmetadata',\n  /**\n   * Fires when the browser has loaded the current frame of the audio/video.\n   *\n   * @event Player#loadeddata\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechLoaddeddata_\n   * @fires Player#loadeddata\n   * @listens Tech#loadeddata\n   */\n  'loadeddata',\n  /**\n   * Fires when the current playback position has changed.\n   *\n   * @event Player#timeupdate\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechTimeUpdate_\n   * @fires Player#timeupdate\n   * @listens Tech#timeupdate\n   */\n  'timeupdate',\n  /**\n   * Fires when the video's intrinsic dimensions change\n   *\n   * @event Player#resize\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `resize` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechResize_\n   * @fires Player#resize\n   * @listens Tech#resize\n   */\n  'resize',\n  /**\n   * Fires when the volume has been changed\n   *\n   * @event Player#volumechange\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `volumechange` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechVolumechange_\n   * @fires Player#volumechange\n   * @listens Tech#volumechange\n   */\n  'volumechange',\n  /**\n   * Fires when the text track has been changed\n   *\n   * @event Player#texttrackchange\n   * @type {event}\n   */\n\n  /**\n   * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.\n   *\n   * @private\n   * @method Player#handleTechTexttrackchange_\n   * @fires Player#texttrackchange\n   * @listens Tech#texttrackchange\n   */\n  'texttrackchange']; // events to queue when playback rate is zero\n  // this is a hash for the sole purpose of mapping non-camel-cased event names\n  // to camel-cased function names\n\n  var TECH_EVENTS_QUEUE = {\n    canplay: 'CanPlay',\n    canplaythrough: 'CanPlayThrough',\n    playing: 'Playing',\n    seeked: 'Seeked'\n  };\n  var BREAKPOINT_ORDER = ['tiny', 'xsmall', 'small', 'medium', 'large', 'xlarge', 'huge'];\n  var BREAKPOINT_CLASSES = {}; // grep: vjs-layout-tiny\n  // grep: vjs-layout-x-small\n  // grep: vjs-layout-small\n  // grep: vjs-layout-medium\n  // grep: vjs-layout-large\n  // grep: vjs-layout-x-large\n  // grep: vjs-layout-huge\n\n  BREAKPOINT_ORDER.forEach(function (k) {\n    var v = k.charAt(0) === 'x' ? \"x-\" + k.substring(1) : k;\n    BREAKPOINT_CLASSES[k] = \"vjs-layout-\" + v;\n  });\n  var DEFAULT_BREAKPOINTS = {\n    tiny: 210,\n    xsmall: 320,\n    small: 425,\n    medium: 768,\n    large: 1440,\n    xlarge: 2560,\n    huge: Infinity\n  };\n  /**\n   * An instance of the `Player` class is created when any of the Video.js setup methods\n   * are used to initialize a video.\n   *\n   * After an instance has been created it can be accessed globally in two ways:\n   * 1. By calling `videojs('example_video_1');`\n   * 2. By using it directly via  `videojs.players.example_video_1;`\n   *\n   * @extends Component\n   */\n\n  var Player = /*#__PURE__*/function (_Component) {\n    inheritsLoose(Player, _Component);\n\n    /**\n     * Create an instance of this class.\n     *\n     * @param {Element} tag\n     *        The original video DOM element used for configuring options.\n     *\n     * @param {Object} [options]\n     *        Object of option names and values.\n     *\n     * @param {Component~ReadyCallback} [ready]\n     *        Ready callback function.\n     */\n    function Player(tag, options, ready) {\n      var _this;\n\n      // Make sure tag ID exists\n      tag.id = tag.id || options.id || \"vjs_video_\" + newGUID(); // Set Options\n      // The options argument overrides options set in the video tag\n      // which overrides globally set options.\n      // This latter part coincides with the load order\n      // (tag must exist before Player)\n\n      options = assign(Player.getTagSettings(tag), options); // Delay the initialization of children because we need to set up\n      // player properties first, and can't use `this` before `super()`\n\n      options.initChildren = false; // Same with creating the element\n\n      options.createEl = false; // don't auto mixin the evented mixin\n\n      options.evented = false; // we don't want the player to report touch activity on itself\n      // see enableTouchActivity in Component\n\n      options.reportTouchActivity = false; // If language is not set, get the closest lang attribute\n\n      if (!options.language) {\n        if (typeof tag.closest === 'function') {\n          var closest = tag.closest('[lang]');\n\n          if (closest && closest.getAttribute) {\n            options.language = closest.getAttribute('lang');\n          }\n        } else {\n          var element = tag;\n\n          while (element && element.nodeType === 1) {\n            if (getAttributes(element).hasOwnProperty('lang')) {\n              options.language = element.getAttribute('lang');\n              break;\n            }\n\n            element = element.parentNode;\n          }\n        }\n      } // Run base component initializing with new options\n\n\n      _this = _Component.call(this, null, options, ready) || this; // Create bound methods for document listeners.\n\n      _this.boundDocumentFullscreenChange_ = bind(assertThisInitialized(_this), _this.documentFullscreenChange_);\n      _this.boundFullWindowOnEscKey_ = bind(assertThisInitialized(_this), _this.fullWindowOnEscKey); // default isFullscreen_ to false\n\n      _this.isFullscreen_ = false; // create logger\n\n      _this.log = createLogger$1(_this.id_); // Hold our own reference to fullscreen api so it can be mocked in tests\n\n      _this.fsApi_ = FullscreenApi; // Tracks when a tech changes the poster\n\n      _this.isPosterFromTech_ = false; // Holds callback info that gets queued when playback rate is zero\n      // and a seek is happening\n\n      _this.queuedCallbacks_ = []; // Turn off API access because we're loading a new tech that might load asynchronously\n\n      _this.isReady_ = false; // Init state hasStarted_\n\n      _this.hasStarted_ = false; // Init state userActive_\n\n      _this.userActive_ = false; // if the global option object was accidentally blown away by\n      // someone, bail early with an informative error\n\n      if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {\n        throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');\n      } // Store the original tag used to set options\n\n\n      _this.tag = tag; // Store the tag attributes used to restore html5 element\n\n      _this.tagAttributes = tag && getAttributes(tag); // Update current language\n\n      _this.language(_this.options_.language); // Update Supported Languages\n\n\n      if (options.languages) {\n        // Normalise player option languages to lowercase\n        var languagesToLower = {};\n        Object.getOwnPropertyNames(options.languages).forEach(function (name) {\n          languagesToLower[name.toLowerCase()] = options.languages[name];\n        });\n        _this.languages_ = languagesToLower;\n      } else {\n        _this.languages_ = Player.prototype.options_.languages;\n      }\n\n      _this.resetCache_(); // Set poster\n\n\n      _this.poster_ = options.poster || ''; // Set controls\n\n      _this.controls_ = !!options.controls; // Original tag settings stored in options\n      // now remove immediately so native controls don't flash.\n      // May be turned back on by HTML5 tech if nativeControlsForTouch is true\n\n      tag.controls = false;\n      tag.removeAttribute('controls');\n      _this.changingSrc_ = false;\n      _this.playCallbacks_ = [];\n      _this.playTerminatedQueue_ = []; // the attribute overrides the option\n\n      if (tag.hasAttribute('autoplay')) {\n        _this.autoplay(true);\n      } else {\n        // otherwise use the setter to validate and\n        // set the correct value.\n        _this.autoplay(_this.options_.autoplay);\n      } // check plugins\n\n\n      if (options.plugins) {\n        Object.keys(options.plugins).forEach(function (name) {\n          if (typeof _this[name] !== 'function') {\n            throw new Error(\"plugin \\\"\" + name + \"\\\" does not exist\");\n          }\n        });\n      }\n      /*\n       * Store the internal state of scrubbing\n       *\n       * @private\n       * @return {Boolean} True if the user is scrubbing\n       */\n\n\n      _this.scrubbing_ = false;\n      _this.el_ = _this.createEl(); // Make this an evented object and use `el_` as its event bus.\n\n      evented(assertThisInitialized(_this), {\n        eventBusKey: 'el_'\n      }); // listen to document and player fullscreenchange handlers so we receive those events\n      // before a user can receive them so we can update isFullscreen appropriately.\n      // make sure that we listen to fullscreenchange events before everything else to make sure that\n      // our isFullscreen method is updated properly for internal components as well as external.\n\n      if (_this.fsApi_.requestFullscreen) {\n        on(document, _this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);\n\n        _this.on(_this.fsApi_.fullscreenchange, _this.boundDocumentFullscreenChange_);\n      }\n\n      if (_this.fluid_) {\n        _this.on('playerreset', _this.updateStyleEl_);\n      } // We also want to pass the original player options to each component and plugin\n      // as well so they don't need to reach back into the player for options later.\n      // We also need to do another copy of this.options_ so we don't end up with\n      // an infinite loop.\n\n\n      var playerOptionsCopy = mergeOptions(_this.options_); // Load plugins\n\n      if (options.plugins) {\n        Object.keys(options.plugins).forEach(function (name) {\n          _this[name](options.plugins[name]);\n        });\n      }\n\n      _this.options_.playerOptions = playerOptionsCopy;\n      _this.middleware_ = [];\n\n      _this.initChildren(); // Set isAudio based on whether or not an audio tag was used\n\n\n      _this.isAudio(tag.nodeName.toLowerCase() === 'audio'); // Update controls className. Can't do this when the controls are initially\n      // set because the element doesn't exist yet.\n\n\n      if (_this.controls()) {\n        _this.addClass('vjs-controls-enabled');\n      } else {\n        _this.addClass('vjs-controls-disabled');\n      } // Set ARIA label and region role depending on player type\n\n\n      _this.el_.setAttribute('role', 'region');\n\n      if (_this.isAudio()) {\n        _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));\n      } else {\n        _this.el_.setAttribute('aria-label', _this.localize('Video Player'));\n      }\n\n      if (_this.isAudio()) {\n        _this.addClass('vjs-audio');\n      }\n\n      if (_this.flexNotSupported_()) {\n        _this.addClass('vjs-no-flex');\n      } // TODO: Make this smarter. Toggle user state between touching/mousing\n      // using events, since devices can have both touch and mouse events.\n      // TODO: Make this check be performed again when the window switches between monitors\n      // (See https://github.com/videojs/video.js/issues/5683)\n\n\n      if (TOUCH_ENABLED) {\n        _this.addClass('vjs-touch-enabled');\n      } // iOS Safari has broken hover handling\n\n\n      if (!IS_IOS) {\n        _this.addClass('vjs-workinghover');\n      } // Make player easily findable by ID\n\n\n      Player.players[_this.id_] = assertThisInitialized(_this); // Add a major version class to aid css in plugins\n\n      var majorVersion = version.split('.')[0];\n\n      _this.addClass(\"vjs-v\" + majorVersion); // When the player is first initialized, trigger activity so components\n      // like the control bar show themselves if needed\n\n\n      _this.userActive(true);\n\n      _this.reportUserActivity();\n\n      _this.one('play', _this.listenForUserActivity_);\n\n      _this.on('stageclick', _this.handleStageClick_);\n\n      _this.on('keydown', _this.handleKeyDown);\n\n      _this.breakpoints(_this.options_.breakpoints);\n\n      _this.responsive(_this.options_.responsive);\n\n      return _this;\n    }\n    /**\n     * Destroys the video player and does any necessary cleanup.\n     *\n     * This is especially helpful if you are dynamically adding and removing videos\n     * to/from the DOM.\n     *\n     * @fires Player#dispose\n     */\n\n\n    var _proto = Player.prototype;\n\n    _proto.dispose = function dispose() {\n      var _this2 = this;\n\n      /**\n       * Called when the player is being disposed of.\n       *\n       * @event Player#dispose\n       * @type {EventTarget~Event}\n       */\n      this.trigger('dispose'); // prevent dispose from being called twice\n\n      this.off('dispose'); // Make sure all player-specific document listeners are unbound. This is\n\n      off(document, this.fsApi_.fullscreenchange, this.boundDocumentFullscreenChange_);\n      off(document, 'keydown', this.boundFullWindowOnEscKey_);\n\n      if (this.styleEl_ && this.styleEl_.parentNode) {\n        this.styleEl_.parentNode.removeChild(this.styleEl_);\n        this.styleEl_ = null;\n      } // Kill reference to this player\n\n\n      Player.players[this.id_] = null;\n\n      if (this.tag && this.tag.player) {\n        this.tag.player = null;\n      }\n\n      if (this.el_ && this.el_.player) {\n        this.el_.player = null;\n      }\n\n      if (this.tech_) {\n        this.tech_.dispose();\n        this.isPosterFromTech_ = false;\n        this.poster_ = '';\n      }\n\n      if (this.playerElIngest_) {\n        this.playerElIngest_ = null;\n      }\n\n      if (this.tag) {\n        this.tag = null;\n      }\n\n      clearCacheForPlayer(this); // remove all event handlers for track lists\n      // all tracks and track listeners are removed on\n      // tech dispose\n\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n\n        var list = _this2[props.getterName](); // if it is not a native list\n        // we have to manually remove event listeners\n\n\n        if (list && list.off) {\n          list.off();\n        }\n      }); // the actual .el_ is removed here\n\n      _Component.prototype.dispose.call(this);\n    }\n    /**\n     * Create the `Player`'s DOM element.\n     *\n     * @return {Element}\n     *         The DOM element that gets created.\n     */\n    ;\n\n    _proto.createEl = function createEl() {\n      var tag = this.tag;\n      var el;\n      var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');\n      var divEmbed = this.tag.tagName.toLowerCase() === 'video-js';\n\n      if (playerElIngest) {\n        el = this.el_ = tag.parentNode;\n      } else if (!divEmbed) {\n        el = this.el_ = _Component.prototype.createEl.call(this, 'div');\n      } // Copy over all the attributes from the tag, including ID and class\n      // ID will now reference player box, not the video tag\n\n\n      var attrs = getAttributes(tag);\n\n      if (divEmbed) {\n        el = this.el_ = tag;\n        tag = this.tag = document.createElement('video');\n\n        while (el.children.length) {\n          tag.appendChild(el.firstChild);\n        }\n\n        if (!hasClass(el, 'video-js')) {\n          addClass(el, 'video-js');\n        }\n\n        el.appendChild(tag);\n        playerElIngest = this.playerElIngest_ = el; // move properties over from our custom `video-js` element\n        // to our new `video` element. This will move things like\n        // `src` or `controls` that were set via js before the player\n        // was initialized.\n\n        Object.keys(el).forEach(function (k) {\n          try {\n            tag[k] = el[k];\n          } catch (e) {// we got a a property like outerHTML which we can't actually copy, ignore it\n          }\n        });\n      } // set tabindex to -1 to remove the video element from the focus order\n\n\n      tag.setAttribute('tabindex', '-1');\n      attrs.tabindex = '-1'; // Workaround for #4583 (JAWS+IE doesn't announce BPB or play button), and\n      // for the same issue with Chrome (on Windows) with JAWS.\n      // See https://github.com/FreedomScientific/VFO-standards-support/issues/78\n      // Note that we can't detect if JAWS is being used, but this ARIA attribute\n      //  doesn't change behavior of IE11 or Chrome if JAWS is not being used\n\n      if (IE_VERSION || IS_CHROME && IS_WINDOWS) {\n        tag.setAttribute('role', 'application');\n        attrs.role = 'application';\n      } // Remove width/height attrs from tag so CSS can make it 100% width/height\n\n\n      tag.removeAttribute('width');\n      tag.removeAttribute('height');\n\n      if ('width' in attrs) {\n        delete attrs.width;\n      }\n\n      if ('height' in attrs) {\n        delete attrs.height;\n      }\n\n      Object.getOwnPropertyNames(attrs).forEach(function (attr) {\n        // don't copy over the class attribute to the player element when we're in a div embed\n        // the class is already set up properly in the divEmbed case\n        // and we want to make sure that the `video-js` class doesn't get lost\n        if (!(divEmbed && attr === 'class')) {\n          el.setAttribute(attr, attrs[attr]);\n        }\n\n        if (divEmbed) {\n          tag.setAttribute(attr, attrs[attr]);\n        }\n      }); // Update tag id/class for use as HTML5 playback tech\n      // Might think we should do this after embedding in container so .vjs-tech class\n      // doesn't flash 100% width/height, but class only applies with .video-js parent\n\n      tag.playerId = tag.id;\n      tag.id += '_html5_api';\n      tag.className = 'vjs-tech'; // Make player findable on elements\n\n      tag.player = el.player = this; // Default state of video is paused\n\n      this.addClass('vjs-paused'); // Add a style element in the player that we'll use to set the width/height\n      // of the player in a way that's still overrideable by CSS, just like the\n      // video element\n\n      if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true) {\n        this.styleEl_ = createStyleElement('vjs-styles-dimensions');\n        var defaultsStyleEl = $('.vjs-styles-defaults');\n        var head = $('head');\n        head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);\n      }\n\n      this.fill_ = false;\n      this.fluid_ = false; // Pass in the width/height/aspectRatio options which will update the style el\n\n      this.width(this.options_.width);\n      this.height(this.options_.height);\n      this.fill(this.options_.fill);\n      this.fluid(this.options_.fluid);\n      this.aspectRatio(this.options_.aspectRatio); // Hide any links within the video/audio tag,\n      // because IE doesn't hide them completely from screen readers.\n\n      var links = tag.getElementsByTagName('a');\n\n      for (var i = 0; i < links.length; i++) {\n        var linkEl = links.item(i);\n        addClass(linkEl, 'vjs-hidden');\n        linkEl.setAttribute('hidden', 'hidden');\n      } // insertElFirst seems to cause the networkState to flicker from 3 to 2, so\n      // keep track of the original for later so we can know if the source originally failed\n\n\n      tag.initNetworkState_ = tag.networkState; // Wrap video tag in div (el/box) container\n\n      if (tag.parentNode && !playerElIngest) {\n        tag.parentNode.insertBefore(el, tag);\n      } // insert the tag as the first child of the player element\n      // then manually add it to the children array so that this.addChild\n      // will work properly for other components\n      //\n      // Breaks iPhone, fixed in HTML5 setup.\n\n\n      prependTo(tag, el);\n      this.children_.unshift(tag); // Set lang attr on player to ensure CSS :lang() in consistent with player\n      // if it's been set to something different to the doc\n\n      this.el_.setAttribute('lang', this.language_);\n      this.el_ = el;\n      return el;\n    }\n    /**\n     * A getter/setter for the `Player`'s width. Returns the player's configured value.\n     * To get the current width use `currentWidth()`.\n     *\n     * @param {number} [value]\n     *        The value to set the `Player`'s width to.\n     *\n     * @return {number}\n     *         The current width of the `Player` when getting.\n     */\n    ;\n\n    _proto.width = function width(value) {\n      return this.dimension('width', value);\n    }\n    /**\n     * A getter/setter for the `Player`'s height. Returns the player's configured value.\n     * To get the current height use `currentheight()`.\n     *\n     * @param {number} [value]\n     *        The value to set the `Player`'s heigth to.\n     *\n     * @return {number}\n     *         The current height of the `Player` when getting.\n     */\n    ;\n\n    _proto.height = function height(value) {\n      return this.dimension('height', value);\n    }\n    /**\n     * A getter/setter for the `Player`'s width & height.\n     *\n     * @param {string} dimension\n     *        This string can be:\n     *        - 'width'\n     *        - 'height'\n     *\n     * @param {number} [value]\n     *        Value for dimension specified in the first argument.\n     *\n     * @return {number}\n     *         The dimension arguments value when getting (width/height).\n     */\n    ;\n\n    _proto.dimension = function dimension(_dimension, value) {\n      var privDimension = _dimension + '_';\n\n      if (value === undefined) {\n        return this[privDimension] || 0;\n      }\n\n      if (value === '' || value === 'auto') {\n        // If an empty string is given, reset the dimension to be automatic\n        this[privDimension] = undefined;\n        this.updateStyleEl_();\n        return;\n      }\n\n      var parsedVal = parseFloat(value);\n\n      if (isNaN(parsedVal)) {\n        log.error(\"Improper value \\\"\" + value + \"\\\" supplied for for \" + _dimension);\n        return;\n      }\n\n      this[privDimension] = parsedVal;\n      this.updateStyleEl_();\n    }\n    /**\n     * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.\n     *\n     * Turning this on will turn off fill mode.\n     *\n     * @param {boolean} [bool]\n     *        - A value of true adds the class.\n     *        - A value of false removes the class.\n     *        - No value will be a getter.\n     *\n     * @return {boolean|undefined}\n     *         - The value of fluid when getting.\n     *         - `undefined` when setting.\n     */\n    ;\n\n    _proto.fluid = function fluid(bool) {\n      if (bool === undefined) {\n        return !!this.fluid_;\n      }\n\n      this.fluid_ = !!bool;\n\n      if (isEvented(this)) {\n        this.off('playerreset', this.updateStyleEl_);\n      }\n\n      if (bool) {\n        this.addClass('vjs-fluid');\n        this.fill(false);\n        addEventedCallback(function () {\n          this.on('playerreset', this.updateStyleEl_);\n        });\n      } else {\n        this.removeClass('vjs-fluid');\n      }\n\n      this.updateStyleEl_();\n    }\n    /**\n     * A getter/setter/toggler for the vjs-fill `className` on the `Player`.\n     *\n     * Turning this on will turn off fluid mode.\n     *\n     * @param {boolean} [bool]\n     *        - A value of true adds the class.\n     *        - A value of false removes the class.\n     *        - No value will be a getter.\n     *\n     * @return {boolean|undefined}\n     *         - The value of fluid when getting.\n     *         - `undefined` when setting.\n     */\n    ;\n\n    _proto.fill = function fill(bool) {\n      if (bool === undefined) {\n        return !!this.fill_;\n      }\n\n      this.fill_ = !!bool;\n\n      if (bool) {\n        this.addClass('vjs-fill');\n        this.fluid(false);\n      } else {\n        this.removeClass('vjs-fill');\n      }\n    }\n    /**\n     * Get/Set the aspect ratio\n     *\n     * @param {string} [ratio]\n     *        Aspect ratio for player\n     *\n     * @return {string|undefined}\n     *         returns the current aspect ratio when getting\n     */\n\n    /**\n     * A getter/setter for the `Player`'s aspect ratio.\n     *\n     * @param {string} [ratio]\n     *        The value to set the `Player's aspect ratio to.\n     *\n     * @return {string|undefined}\n     *         - The current aspect ratio of the `Player` when getting.\n     *         - undefined when setting\n     */\n    ;\n\n    _proto.aspectRatio = function aspectRatio(ratio) {\n      if (ratio === undefined) {\n        return this.aspectRatio_;\n      } // Check for width:height format\n\n\n      if (!/^\\d+\\:\\d+$/.test(ratio)) {\n        throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');\n      }\n\n      this.aspectRatio_ = ratio; // We're assuming if you set an aspect ratio you want fluid mode,\n      // because in fixed mode you could calculate width and height yourself.\n\n      this.fluid(true);\n      this.updateStyleEl_();\n    }\n    /**\n     * Update styles of the `Player` element (height, width and aspect ratio).\n     *\n     * @private\n     * @listens Tech#loadedmetadata\n     */\n    ;\n\n    _proto.updateStyleEl_ = function updateStyleEl_() {\n      if (window$3.VIDEOJS_NO_DYNAMIC_STYLE === true) {\n        var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;\n\n        var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;\n\n        var techEl = this.tech_ && this.tech_.el();\n\n        if (techEl) {\n          if (_width >= 0) {\n            techEl.width = _width;\n          }\n\n          if (_height >= 0) {\n            techEl.height = _height;\n          }\n        }\n\n        return;\n      }\n\n      var width;\n      var height;\n      var aspectRatio;\n      var idClass; // The aspect ratio is either used directly or to calculate width and height.\n\n      if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {\n        // Use any aspectRatio that's been specifically set\n        aspectRatio = this.aspectRatio_;\n      } else if (this.videoWidth() > 0) {\n        // Otherwise try to get the aspect ratio from the video metadata\n        aspectRatio = this.videoWidth() + ':' + this.videoHeight();\n      } else {\n        // Or use a default. The video element's is 2:1, but 16:9 is more common.\n        aspectRatio = '16:9';\n      } // Get the ratio as a decimal we can use to calculate dimensions\n\n\n      var ratioParts = aspectRatio.split(':');\n      var ratioMultiplier = ratioParts[1] / ratioParts[0];\n\n      if (this.width_ !== undefined) {\n        // Use any width that's been specifically set\n        width = this.width_;\n      } else if (this.height_ !== undefined) {\n        // Or calulate the width from the aspect ratio if a height has been set\n        width = this.height_ / ratioMultiplier;\n      } else {\n        // Or use the video's metadata, or use the video el's default of 300\n        width = this.videoWidth() || 300;\n      }\n\n      if (this.height_ !== undefined) {\n        // Use any height that's been specifically set\n        height = this.height_;\n      } else {\n        // Otherwise calculate the height from the ratio and the width\n        height = width * ratioMultiplier;\n      } // Ensure the CSS class is valid by starting with an alpha character\n\n\n      if (/^[^a-zA-Z]/.test(this.id())) {\n        idClass = 'dimensions-' + this.id();\n      } else {\n        idClass = this.id() + '-dimensions';\n      } // Ensure the right class is still on the player for the style element\n\n\n      this.addClass(idClass);\n      setTextContent(this.styleEl_, \"\\n      .\" + idClass + \" {\\n        width: \" + width + \"px;\\n        height: \" + height + \"px;\\n      }\\n\\n      .\" + idClass + \".vjs-fluid {\\n        padding-top: \" + ratioMultiplier * 100 + \"%;\\n      }\\n    \");\n    }\n    /**\n     * Load/Create an instance of playback {@link Tech} including element\n     * and API methods. Then append the `Tech` element in `Player` as a child.\n     *\n     * @param {string} techName\n     *        name of the playback technology\n     *\n     * @param {string} source\n     *        video source\n     *\n     * @private\n     */\n    ;\n\n    _proto.loadTech_ = function loadTech_(techName, source) {\n      var _this3 = this;\n\n      // Pause and remove current playback technology\n      if (this.tech_) {\n        this.unloadTech_();\n      }\n\n      var titleTechName = toTitleCase(techName);\n      var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1); // get rid of the HTML5 video tag as soon as we are using another tech\n\n      if (titleTechName !== 'Html5' && this.tag) {\n        Tech.getTech('Html5').disposeMediaElement(this.tag);\n        this.tag.player = null;\n        this.tag = null;\n      }\n\n      this.techName_ = titleTechName; // Turn off API access because we're loading a new tech that might load asynchronously\n\n      this.isReady_ = false; // if autoplay is a string we pass false to the tech\n      // because the player is going to handle autoplay on `loadstart`\n\n      var autoplay = typeof this.autoplay() === 'string' ? false : this.autoplay(); // Grab tech-specific options from player options and add source and parent element to use.\n\n      var techOptions = {\n        source: source,\n        autoplay: autoplay,\n        'nativeControlsForTouch': this.options_.nativeControlsForTouch,\n        'playerId': this.id(),\n        'techId': this.id() + \"_\" + camelTechName + \"_api\",\n        'playsinline': this.options_.playsinline,\n        'preload': this.options_.preload,\n        'loop': this.options_.loop,\n        'muted': this.options_.muted,\n        'poster': this.poster(),\n        'language': this.language(),\n        'playerElIngest': this.playerElIngest_ || false,\n        'vtt.js': this.options_['vtt.js'],\n        'canOverridePoster': !!this.options_.techCanOverridePoster,\n        'enableSourceset': this.options_.enableSourceset,\n        'Promise': this.options_.Promise\n      };\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n        techOptions[props.getterName] = _this3[props.privateName];\n      });\n      assign(techOptions, this.options_[titleTechName]);\n      assign(techOptions, this.options_[camelTechName]);\n      assign(techOptions, this.options_[techName.toLowerCase()]);\n\n      if (this.tag) {\n        techOptions.tag = this.tag;\n      }\n\n      if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {\n        techOptions.startTime = this.cache_.currentTime;\n      } // Initialize tech instance\n\n\n      var TechClass = Tech.getTech(techName);\n\n      if (!TechClass) {\n        throw new Error(\"No Tech named '\" + titleTechName + \"' exists! '\" + titleTechName + \"' should be registered using videojs.registerTech()'\");\n      }\n\n      this.tech_ = new TechClass(techOptions); // player.triggerReady is always async, so don't need this to be async\n\n      this.tech_.ready(bind(this, this.handleTechReady_), true);\n      textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_); // Listen to all HTML5-defined events and trigger them on the player\n\n      TECH_EVENTS_RETRIGGER.forEach(function (event) {\n        _this3.on(_this3.tech_, event, _this3[\"handleTech\" + toTitleCase(event) + \"_\"]);\n      });\n      Object.keys(TECH_EVENTS_QUEUE).forEach(function (event) {\n        _this3.on(_this3.tech_, event, function (eventObj) {\n          if (_this3.tech_.playbackRate() === 0 && _this3.tech_.seeking()) {\n            _this3.queuedCallbacks_.push({\n              callback: _this3[\"handleTech\" + TECH_EVENTS_QUEUE[event] + \"_\"].bind(_this3),\n              event: eventObj\n            });\n\n            return;\n          }\n\n          _this3[\"handleTech\" + TECH_EVENTS_QUEUE[event] + \"_\"](eventObj);\n        });\n      });\n      this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);\n      this.on(this.tech_, 'sourceset', this.handleTechSourceset_);\n      this.on(this.tech_, 'waiting', this.handleTechWaiting_);\n      this.on(this.tech_, 'ended', this.handleTechEnded_);\n      this.on(this.tech_, 'seeking', this.handleTechSeeking_);\n      this.on(this.tech_, 'play', this.handleTechPlay_);\n      this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);\n      this.on(this.tech_, 'pause', this.handleTechPause_);\n      this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);\n      this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);\n      this.on(this.tech_, 'enterpictureinpicture', this.handleTechEnterPictureInPicture_);\n      this.on(this.tech_, 'leavepictureinpicture', this.handleTechLeavePictureInPicture_);\n      this.on(this.tech_, 'error', this.handleTechError_);\n      this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);\n      this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);\n      this.on(this.tech_, 'textdata', this.handleTechTextData_);\n      this.on(this.tech_, 'ratechange', this.handleTechRateChange_);\n      this.usingNativeControls(this.techGet_('controls'));\n\n      if (this.controls() && !this.usingNativeControls()) {\n        this.addTechControlsListeners_();\n      } // Add the tech element in the DOM if it was not already there\n      // Make sure to not insert the original video element if using Html5\n\n\n      if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {\n        prependTo(this.tech_.el(), this.el());\n      } // Get rid of the original video tag reference after the first tech is loaded\n\n\n      if (this.tag) {\n        this.tag.player = null;\n        this.tag = null;\n      }\n    }\n    /**\n     * Unload and dispose of the current playback {@link Tech}.\n     *\n     * @private\n     */\n    ;\n\n    _proto.unloadTech_ = function unloadTech_() {\n      var _this4 = this;\n\n      // Save the current text tracks so that we can reuse the same text tracks with the next tech\n      ALL.names.forEach(function (name) {\n        var props = ALL[name];\n        _this4[props.privateName] = _this4[props.getterName]();\n      });\n      this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);\n      this.isReady_ = false;\n      this.tech_.dispose();\n      this.tech_ = false;\n\n      if (this.isPosterFromTech_) {\n        this.poster_ = '';\n        this.trigger('posterchange');\n      }\n\n      this.isPosterFromTech_ = false;\n    }\n    /**\n     * Return a reference to the current {@link Tech}.\n     * It will print a warning by default about the danger of using the tech directly\n     * but any argument that is passed in will silence the warning.\n     *\n     * @param {*} [safety]\n     *        Anything passed in to silence the warning\n     *\n     * @return {Tech}\n     *         The Tech\n     */\n    ;\n\n    _proto.tech = function tech(safety) {\n      if (safety === undefined) {\n        log.warn('Using the tech directly can be dangerous. I hope you know what you\\'re doing.\\n' + 'See https://github.com/videojs/video.js/issues/2617 for more info.\\n');\n      }\n\n      return this.tech_;\n    }\n    /**\n     * Set up click and touch listeners for the playback element\n     *\n     * - On desktops: a click on the video itself will toggle playback\n     * - On mobile devices: a click on the video toggles controls\n     *   which is done by toggling the user state between active and\n     *   inactive\n     * - A tap can signal that a user has become active or has become inactive\n     *   e.g. a quick tap on an iPhone movie should reveal the controls. Another\n     *   quick tap should hide them again (signaling the user is in an inactive\n     *   viewing state)\n     * - In addition to this, we still want the user to be considered inactive after\n     *   a few seconds of inactivity.\n     *\n     * > Note: the only part of iOS interaction we can't mimic with this setup\n     * is a touch and hold on the video element counting as activity in order to\n     * keep the controls showing, but that shouldn't be an issue. A touch and hold\n     * on any controls will still keep the user active\n     *\n     * @private\n     */\n    ;\n\n    _proto.addTechControlsListeners_ = function addTechControlsListeners_() {\n      // Make sure to remove all the previous listeners in case we are called multiple times.\n      this.removeTechControlsListeners_(); // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do\n      // trigger mousedown/up.\n      // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object\n      // Any touch events are set to block the mousedown event from happening\n\n      this.on(this.tech_, 'mouseup', this.handleTechClick_);\n      this.on(this.tech_, 'dblclick', this.handleTechDoubleClick_); // If the controls were hidden we don't want that to change without a tap event\n      // so we'll check if the controls were already showing before reporting user\n      // activity\n\n      this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);\n      this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);\n      this.on(this.tech_, 'touchend', this.handleTechTouchEnd_); // The tap listener needs to come after the touchend listener because the tap\n      // listener cancels out any reportedUserActivity when setting userActive(false)\n\n      this.on(this.tech_, 'tap', this.handleTechTap_);\n    }\n    /**\n     * Remove the listeners used for click and tap controls. This is needed for\n     * toggling to controls disabled, where a tap/touch should do nothing.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeTechControlsListeners_ = function removeTechControlsListeners_() {\n      // We don't want to just use `this.off()` because there might be other needed\n      // listeners added by techs that extend this.\n      this.off(this.tech_, 'tap', this.handleTechTap_);\n      this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);\n      this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);\n      this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);\n      this.off(this.tech_, 'mouseup', this.handleTechClick_);\n      this.off(this.tech_, 'dblclick', this.handleTechDoubleClick_);\n    }\n    /**\n     * Player waits for the tech to be ready\n     *\n     * @private\n     */\n    ;\n\n    _proto.handleTechReady_ = function handleTechReady_() {\n      this.triggerReady(); // Keep the same volume as before\n\n      if (this.cache_.volume) {\n        this.techCall_('setVolume', this.cache_.volume);\n      } // Look if the tech found a higher resolution poster while loading\n\n\n      this.handleTechPosterChange_(); // Update the duration if available\n\n      this.handleTechDurationChange_();\n    }\n    /**\n     * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This\n     * function will also trigger {@link Player#firstplay} if it is the first loadstart\n     * for a video.\n     *\n     * @fires Player#loadstart\n     * @fires Player#firstplay\n     * @listens Tech#loadstart\n     * @private\n     */\n    ;\n\n    _proto.handleTechLoadStart_ = function handleTechLoadStart_() {\n      // TODO: Update to use `emptied` event instead. See #1277.\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-seeking'); // reset the error state\n\n      this.error(null); // Update the duration\n\n      this.handleTechDurationChange_(); // If it's already playing we want to trigger a firstplay event now.\n      // The firstplay event relies on both the play and loadstart events\n      // which can happen in any order for a new source\n\n      if (!this.paused()) {\n        /**\n         * Fired when the user agent begins looking for media data\n         *\n         * @event Player#loadstart\n         * @type {EventTarget~Event}\n         */\n        this.trigger('loadstart');\n        this.trigger('firstplay');\n      } else {\n        // reset the hasStarted state\n        this.hasStarted(false);\n        this.trigger('loadstart');\n      } // autoplay happens after loadstart for the browser,\n      // so we mimic that behavior\n\n\n      this.manualAutoplay_(this.autoplay());\n    }\n    /**\n     * Handle autoplay string values, rather than the typical boolean\n     * values that should be handled by the tech. Note that this is not\n     * part of any specification. Valid values and what they do can be\n     * found on the autoplay getter at Player#autoplay()\n     */\n    ;\n\n    _proto.manualAutoplay_ = function manualAutoplay_(type) {\n      var _this5 = this;\n\n      if (!this.tech_ || typeof type !== 'string') {\n        return;\n      }\n\n      var muted = function muted() {\n        var previouslyMuted = _this5.muted();\n\n        _this5.muted(true);\n\n        var restoreMuted = function restoreMuted() {\n          _this5.muted(previouslyMuted);\n        }; // restore muted on play terminatation\n\n\n        _this5.playTerminatedQueue_.push(restoreMuted);\n\n        var mutedPromise = _this5.play();\n\n        if (!isPromise(mutedPromise)) {\n          return;\n        }\n\n        return mutedPromise[\"catch\"](restoreMuted);\n      };\n\n      var promise; // if muted defaults to true\n      // the only thing we can do is call play\n\n      if (type === 'any' && this.muted() !== true) {\n        promise = this.play();\n\n        if (isPromise(promise)) {\n          promise = promise[\"catch\"](muted);\n        }\n      } else if (type === 'muted' && this.muted() !== true) {\n        promise = muted();\n      } else {\n        promise = this.play();\n      }\n\n      if (!isPromise(promise)) {\n        return;\n      }\n\n      return promise.then(function () {\n        _this5.trigger({\n          type: 'autoplay-success',\n          autoplay: type\n        });\n      })[\"catch\"](function (e) {\n        _this5.trigger({\n          type: 'autoplay-failure',\n          autoplay: type\n        });\n      });\n    }\n    /**\n     * Update the internal source caches so that we return the correct source from\n     * `src()`, `currentSource()`, and `currentSources()`.\n     *\n     * > Note: `currentSources` will not be updated if the source that is passed in exists\n     *         in the current `currentSources` cache.\n     *\n     *\n     * @param {Tech~SourceObject} srcObj\n     *        A string or object source to update our caches to.\n     */\n    ;\n\n    _proto.updateSourceCaches_ = function updateSourceCaches_(srcObj) {\n      if (srcObj === void 0) {\n        srcObj = '';\n      }\n\n      var src = srcObj;\n      var type = '';\n\n      if (typeof src !== 'string') {\n        src = srcObj.src;\n        type = srcObj.type;\n      } // make sure all the caches are set to default values\n      // to prevent null checking\n\n\n      this.cache_.source = this.cache_.source || {};\n      this.cache_.sources = this.cache_.sources || []; // try to get the type of the src that was passed in\n\n      if (src && !type) {\n        type = findMimetype(this, src);\n      } // update `currentSource` cache always\n\n\n      this.cache_.source = mergeOptions({}, srcObj, {\n        src: src,\n        type: type\n      });\n      var matchingSources = this.cache_.sources.filter(function (s) {\n        return s.src && s.src === src;\n      });\n      var sourceElSources = [];\n      var sourceEls = this.$$('source');\n      var matchingSourceEls = [];\n\n      for (var i = 0; i < sourceEls.length; i++) {\n        var sourceObj = getAttributes(sourceEls[i]);\n        sourceElSources.push(sourceObj);\n\n        if (sourceObj.src && sourceObj.src === src) {\n          matchingSourceEls.push(sourceObj.src);\n        }\n      } // if we have matching source els but not matching sources\n      // the current source cache is not up to date\n\n\n      if (matchingSourceEls.length && !matchingSources.length) {\n        this.cache_.sources = sourceElSources; // if we don't have matching source or source els set the\n        // sources cache to the `currentSource` cache\n      } else if (!matchingSources.length) {\n        this.cache_.sources = [this.cache_.source];\n      } // update the tech `src` cache\n\n\n      this.cache_.src = src;\n    }\n    /**\n     * *EXPERIMENTAL* Fired when the source is set or changed on the {@link Tech}\n     * causing the media element to reload.\n     *\n     * It will fire for the initial source and each subsequent source.\n     * This event is a custom event from Video.js and is triggered by the {@link Tech}.\n     *\n     * The event object for this event contains a `src` property that will contain the source\n     * that was available when the event was triggered. This is generally only necessary if Video.js\n     * is switching techs while the source was being changed.\n     *\n     * It is also fired when `load` is called on the player (or media element)\n     * because the {@link https://html.spec.whatwg.org/multipage/media.html#dom-media-load|specification for `load`}\n     * says that the resource selection algorithm needs to be aborted and restarted.\n     * In this case, it is very likely that the `src` property will be set to the\n     * empty string `\"\"` to indicate we do not know what the source will be but\n     * that it is changing.\n     *\n     * *This event is currently still experimental and may change in minor releases.*\n     * __To use this, pass `enableSourceset` option to the player.__\n     *\n     * @event Player#sourceset\n     * @type {EventTarget~Event}\n     * @prop {string} src\n     *                The source url available when the `sourceset` was triggered.\n     *                It will be an empty string if we cannot know what the source is\n     *                but know that the source will change.\n     */\n\n    /**\n     * Retrigger the `sourceset` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#sourceset\n     * @listens Tech#sourceset\n     * @private\n     */\n    ;\n\n    _proto.handleTechSourceset_ = function handleTechSourceset_(event) {\n      var _this6 = this;\n\n      // only update the source cache when the source\n      // was not updated using the player api\n      if (!this.changingSrc_) {\n        var updateSourceCaches = function updateSourceCaches(src) {\n          return _this6.updateSourceCaches_(src);\n        };\n\n        var playerSrc = this.currentSource().src;\n        var eventSrc = event.src; // if we have a playerSrc that is not a blob, and a tech src that is a blob\n\n        if (playerSrc && !/^blob:/.test(playerSrc) && /^blob:/.test(eventSrc)) {\n          // if both the tech source and the player source were updated we assume\n          // something like @videojs/http-streaming did the sourceset and skip updating the source cache.\n          if (!this.lastSource_ || this.lastSource_.tech !== eventSrc && this.lastSource_.player !== playerSrc) {\n            updateSourceCaches = function updateSourceCaches() {};\n          }\n        } // update the source to the intial source right away\n        // in some cases this will be empty string\n\n\n        updateSourceCaches(eventSrc); // if the `sourceset` `src` was an empty string\n        // wait for a `loadstart` to update the cache to `currentSrc`.\n        // If a sourceset happens before a `loadstart`, we reset the state\n\n        if (!event.src) {\n          this.tech_.any(['sourceset', 'loadstart'], function (e) {\n            // if a sourceset happens before a `loadstart` there\n            // is nothing to do as this `handleTechSourceset_`\n            // will be called again and this will be handled there.\n            if (e.type === 'sourceset') {\n              return;\n            }\n\n            var techSrc = _this6.techGet('currentSrc');\n\n            _this6.lastSource_.tech = techSrc;\n\n            _this6.updateSourceCaches_(techSrc);\n          });\n        }\n      }\n\n      this.lastSource_ = {\n        player: this.currentSource().src,\n        tech: event.src\n      };\n      this.trigger({\n        src: event.src,\n        type: 'sourceset'\n      });\n    }\n    /**\n     * Add/remove the vjs-has-started class\n     *\n     * @fires Player#firstplay\n     *\n     * @param {boolean} request\n     *        - true: adds the class\n     *        - false: remove the class\n     *\n     * @return {boolean}\n     *         the boolean value of hasStarted_\n     */\n    ;\n\n    _proto.hasStarted = function hasStarted(request) {\n      if (request === undefined) {\n        // act as getter, if we have no request to change\n        return this.hasStarted_;\n      }\n\n      if (request === this.hasStarted_) {\n        return;\n      }\n\n      this.hasStarted_ = request;\n\n      if (this.hasStarted_) {\n        this.addClass('vjs-has-started');\n        this.trigger('firstplay');\n      } else {\n        this.removeClass('vjs-has-started');\n      }\n    }\n    /**\n     * Fired whenever the media begins or resumes playback\n     *\n     * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}\n     * @fires Player#play\n     * @listens Tech#play\n     * @private\n     */\n    ;\n\n    _proto.handleTechPlay_ = function handleTechPlay_() {\n      this.removeClass('vjs-ended');\n      this.removeClass('vjs-paused');\n      this.addClass('vjs-playing'); // hide the poster when the user hits play\n\n      this.hasStarted(true);\n      /**\n       * Triggered whenever an {@link Tech#play} event happens. Indicates that\n       * playback has started or resumed.\n       *\n       * @event Player#play\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('play');\n    }\n    /**\n     * Retrigger the `ratechange` event that was triggered by the {@link Tech}.\n     *\n     * If there were any events queued while the playback rate was zero, fire\n     * those events now.\n     *\n     * @private\n     * @method Player#handleTechRateChange_\n     * @fires Player#ratechange\n     * @listens Tech#ratechange\n     */\n    ;\n\n    _proto.handleTechRateChange_ = function handleTechRateChange_() {\n      if (this.tech_.playbackRate() > 0 && this.cache_.lastPlaybackRate === 0) {\n        this.queuedCallbacks_.forEach(function (queued) {\n          return queued.callback(queued.event);\n        });\n        this.queuedCallbacks_ = [];\n      }\n\n      this.cache_.lastPlaybackRate = this.tech_.playbackRate();\n      /**\n       * Fires when the playing speed of the audio/video is changed\n       *\n       * @event Player#ratechange\n       * @type {event}\n       */\n\n      this.trigger('ratechange');\n    }\n    /**\n     * Retrigger the `waiting` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#waiting\n     * @listens Tech#waiting\n     * @private\n     */\n    ;\n\n    _proto.handleTechWaiting_ = function handleTechWaiting_() {\n      var _this7 = this;\n\n      this.addClass('vjs-waiting');\n      /**\n       * A readyState change on the DOM element has caused playback to stop.\n       *\n       * @event Player#waiting\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('waiting'); // Browsers may emit a timeupdate event after a waiting event. In order to prevent\n      // premature removal of the waiting class, wait for the time to change.\n\n      var timeWhenWaiting = this.currentTime();\n\n      var timeUpdateListener = function timeUpdateListener() {\n        if (timeWhenWaiting !== _this7.currentTime()) {\n          _this7.removeClass('vjs-waiting');\n\n          _this7.off('timeupdate', timeUpdateListener);\n        }\n      };\n\n      this.on('timeupdate', timeUpdateListener);\n    }\n    /**\n     * Retrigger the `canplay` event that was triggered by the {@link Tech}.\n     * > Note: This is not consistent between browsers. See #1351\n     *\n     * @fires Player#canplay\n     * @listens Tech#canplay\n     * @private\n     */\n    ;\n\n    _proto.handleTechCanPlay_ = function handleTechCanPlay_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media has a readyState of HAVE_FUTURE_DATA or greater.\n       *\n       * @event Player#canplay\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('canplay');\n    }\n    /**\n     * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#canplaythrough\n     * @listens Tech#canplaythrough\n     * @private\n     */\n    ;\n\n    _proto.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the\n       * entire media file can be played without buffering.\n       *\n       * @event Player#canplaythrough\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('canplaythrough');\n    }\n    /**\n     * Retrigger the `playing` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#playing\n     * @listens Tech#playing\n     * @private\n     */\n    ;\n\n    _proto.handleTechPlaying_ = function handleTechPlaying_() {\n      this.removeClass('vjs-waiting');\n      /**\n       * The media is no longer blocked from playback, and has started playing.\n       *\n       * @event Player#playing\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('playing');\n    }\n    /**\n     * Retrigger the `seeking` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#seeking\n     * @listens Tech#seeking\n     * @private\n     */\n    ;\n\n    _proto.handleTechSeeking_ = function handleTechSeeking_() {\n      this.addClass('vjs-seeking');\n      /**\n       * Fired whenever the player is jumping to a new time\n       *\n       * @event Player#seeking\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('seeking');\n    }\n    /**\n     * Retrigger the `seeked` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#seeked\n     * @listens Tech#seeked\n     * @private\n     */\n    ;\n\n    _proto.handleTechSeeked_ = function handleTechSeeked_() {\n      this.removeClass('vjs-seeking');\n      this.removeClass('vjs-ended');\n      /**\n       * Fired when the player has finished jumping to a new time\n       *\n       * @event Player#seeked\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('seeked');\n    }\n    /**\n     * Retrigger the `firstplay` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#firstplay\n     * @listens Tech#firstplay\n     * @deprecated As of 6.0 firstplay event is deprecated.\n     *             As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.\n     * @private\n     */\n    ;\n\n    _proto.handleTechFirstPlay_ = function handleTechFirstPlay_() {\n      // If the first starttime attribute is specified\n      // then we will start at the given offset in seconds\n      if (this.options_.starttime) {\n        log.warn('Passing the `starttime` option to the player will be deprecated in 6.0');\n        this.currentTime(this.options_.starttime);\n      }\n\n      this.addClass('vjs-has-started');\n      /**\n       * Fired the first time a video is played. Not part of the HLS spec, and this is\n       * probably not the best implementation yet, so use sparingly. If you don't have a\n       * reason to prevent playback, use `myPlayer.one('play');` instead.\n       *\n       * @event Player#firstplay\n       * @deprecated As of 6.0 firstplay event is deprecated.\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('firstplay');\n    }\n    /**\n     * Retrigger the `pause` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#pause\n     * @listens Tech#pause\n     * @private\n     */\n    ;\n\n    _proto.handleTechPause_ = function handleTechPause_() {\n      this.removeClass('vjs-playing');\n      this.addClass('vjs-paused');\n      /**\n       * Fired whenever the media has been paused\n       *\n       * @event Player#pause\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('pause');\n    }\n    /**\n     * Retrigger the `ended` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#ended\n     * @listens Tech#ended\n     * @private\n     */\n    ;\n\n    _proto.handleTechEnded_ = function handleTechEnded_() {\n      this.addClass('vjs-ended');\n\n      if (this.options_.loop) {\n        this.currentTime(0);\n        this.play();\n      } else if (!this.paused()) {\n        this.pause();\n      }\n      /**\n       * Fired when the end of the media resource is reached (currentTime == duration)\n       *\n       * @event Player#ended\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger('ended');\n    }\n    /**\n     * Fired when the duration of the media resource is first known or changed\n     *\n     * @listens Tech#durationchange\n     * @private\n     */\n    ;\n\n    _proto.handleTechDurationChange_ = function handleTechDurationChange_() {\n      this.duration(this.techGet_('duration'));\n    }\n    /**\n     * Handle a click on the media element to play/pause\n     *\n     * @param {EventTarget~Event} event\n     *        the event that caused this function to trigger\n     *\n     * @listens Tech#mouseup\n     * @private\n     */\n    ;\n\n    _proto.handleTechClick_ = function handleTechClick_(event) {\n      if (!isSingleLeftClick(event)) {\n        return;\n      } // When controls are disabled a click should not toggle playback because\n      // the click is considered a control\n\n\n      if (!this.controls_) {\n        return;\n      }\n\n      if (this.paused()) {\n        silencePromise(this.play());\n      } else {\n        this.pause();\n      }\n    }\n    /**\n     * Handle a double-click on the media element to enter/exit fullscreen\n     *\n     * @param {EventTarget~Event} event\n     *        the event that caused this function to trigger\n     *\n     * @listens Tech#dblclick\n     * @private\n     */\n    ;\n\n    _proto.handleTechDoubleClick_ = function handleTechDoubleClick_(event) {\n      if (!this.controls_) {\n        return;\n      } // we do not want to toggle fullscreen state\n      // when double-clicking inside a control bar or a modal\n\n\n      var inAllowedEls = Array.prototype.some.call(this.$$('.vjs-control-bar, .vjs-modal-dialog'), function (el) {\n        return el.contains(event.target);\n      });\n\n      if (!inAllowedEls) {\n        /*\n         * options.userActions.doubleClick\n         *\n         * If `undefined` or `true`, double-click toggles fullscreen if controls are present\n         * Set to `false` to disable double-click handling\n         * Set to a function to substitute an external double-click handler\n         */\n        if (this.options_ === undefined || this.options_.userActions === undefined || this.options_.userActions.doubleClick === undefined || this.options_.userActions.doubleClick !== false) {\n          if (this.options_ !== undefined && this.options_.userActions !== undefined && typeof this.options_.userActions.doubleClick === 'function') {\n            this.options_.userActions.doubleClick.call(this, event);\n          } else if (this.isFullscreen()) {\n            this.exitFullscreen();\n          } else {\n            this.requestFullscreen();\n          }\n        }\n      }\n    }\n    /**\n     * Handle a tap on the media element. It will toggle the user\n     * activity state, which hides and shows the controls.\n     *\n     * @listens Tech#tap\n     * @private\n     */\n    ;\n\n    _proto.handleTechTap_ = function handleTechTap_() {\n      this.userActive(!this.userActive());\n    }\n    /**\n     * Handle touch to start\n     *\n     * @listens Tech#touchstart\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchStart_ = function handleTechTouchStart_() {\n      this.userWasActive = this.userActive();\n    }\n    /**\n     * Handle touch to move\n     *\n     * @listens Tech#touchmove\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchMove_ = function handleTechTouchMove_() {\n      if (this.userWasActive) {\n        this.reportUserActivity();\n      }\n    }\n    /**\n     * Handle touch to end\n     *\n     * @param {EventTarget~Event} event\n     *        the touchend event that triggered\n     *        this function\n     *\n     * @listens Tech#touchend\n     * @private\n     */\n    ;\n\n    _proto.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {\n      // Stop the mouse events from also happening\n      event.preventDefault();\n    }\n    /**\n     * native click events on the SWF aren't triggered on IE11, Win8.1RT\n     * use stageclick events triggered from inside the SWF instead\n     *\n     * @private\n     * @listens stageclick\n     */\n    ;\n\n    _proto.handleStageClick_ = function handleStageClick_() {\n      this.reportUserActivity();\n    }\n    /**\n     * @private\n     */\n    ;\n\n    _proto.toggleFullscreenClass_ = function toggleFullscreenClass_() {\n      if (this.isFullscreen()) {\n        this.addClass('vjs-fullscreen');\n      } else {\n        this.removeClass('vjs-fullscreen');\n      }\n    }\n    /**\n     * when the document fschange event triggers it calls this\n     */\n    ;\n\n    _proto.documentFullscreenChange_ = function documentFullscreenChange_(e) {\n      var targetPlayer = e.target.player; // if another player was fullscreen\n      // do a null check for targetPlayer because older firefox's would put document as e.target\n\n      if (targetPlayer && targetPlayer !== this) {\n        return;\n      }\n\n      var el = this.el();\n      var isFs = document[this.fsApi_.fullscreenElement] === el;\n\n      if (!isFs && el.matches) {\n        isFs = el.matches(':' + this.fsApi_.fullscreen);\n      } else if (!isFs && el.msMatchesSelector) {\n        isFs = el.msMatchesSelector(':' + this.fsApi_.fullscreen);\n      }\n\n      this.isFullscreen(isFs);\n    }\n    /**\n     * Handle Tech Fullscreen Change\n     *\n     * @param {EventTarget~Event} event\n     *        the fullscreenchange event that triggered this function\n     *\n     * @param {Object} data\n     *        the data that was sent with the event\n     *\n     * @private\n     * @listens Tech#fullscreenchange\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {\n      if (data) {\n        this.isFullscreen(data.isFullscreen);\n      }\n    }\n    /**\n     * @private\n     */\n    ;\n\n    _proto.togglePictureInPictureClass_ = function togglePictureInPictureClass_() {\n      if (this.isInPictureInPicture()) {\n        this.addClass('vjs-picture-in-picture');\n      } else {\n        this.removeClass('vjs-picture-in-picture');\n      }\n    }\n    /**\n     * Handle Tech Enter Picture-in-Picture.\n     *\n     * @param {EventTarget~Event} event\n     *        the enterpictureinpicture event that triggered this function\n     *\n     * @private\n     * @listens Tech#enterpictureinpicture\n     */\n    ;\n\n    _proto.handleTechEnterPictureInPicture_ = function handleTechEnterPictureInPicture_(event) {\n      this.isInPictureInPicture(true);\n    }\n    /**\n     * Handle Tech Leave Picture-in-Picture.\n     *\n     * @param {EventTarget~Event} event\n     *        the leavepictureinpicture event that triggered this function\n     *\n     * @private\n     * @listens Tech#leavepictureinpicture\n     */\n    ;\n\n    _proto.handleTechLeavePictureInPicture_ = function handleTechLeavePictureInPicture_(event) {\n      this.isInPictureInPicture(false);\n    }\n    /**\n     * Fires when an error occurred during the loading of an audio/video.\n     *\n     * @private\n     * @listens Tech#error\n     */\n    ;\n\n    _proto.handleTechError_ = function handleTechError_() {\n      var error = this.tech_.error();\n      this.error(error);\n    }\n    /**\n     * Retrigger the `textdata` event that was triggered by the {@link Tech}.\n     *\n     * @fires Player#textdata\n     * @listens Tech#textdata\n     * @private\n     */\n    ;\n\n    _proto.handleTechTextData_ = function handleTechTextData_() {\n      var data = null;\n\n      if (arguments.length > 1) {\n        data = arguments[1];\n      }\n      /**\n       * Fires when we get a textdata event from tech\n       *\n       * @event Player#textdata\n       * @type {EventTarget~Event}\n       */\n\n\n      this.trigger('textdata', data);\n    }\n    /**\n     * Get object for cached values.\n     *\n     * @return {Object}\n     *         get the current object cache\n     */\n    ;\n\n    _proto.getCache = function getCache() {\n      return this.cache_;\n    }\n    /**\n     * Resets the internal cache object.\n     *\n     * Using this function outside the player constructor or reset method may\n     * have unintended side-effects.\n     *\n     * @private\n     */\n    ;\n\n    _proto.resetCache_ = function resetCache_() {\n      this.cache_ = {\n        // Right now, the currentTime is not _really_ cached because it is always\n        // retrieved from the tech (see: currentTime). However, for completeness,\n        // we set it to zero here to ensure that if we do start actually caching\n        // it, we reset it along with everything else.\n        currentTime: 0,\n        inactivityTimeout: this.options_.inactivityTimeout,\n        duration: NaN,\n        lastVolume: 1,\n        lastPlaybackRate: this.defaultPlaybackRate(),\n        media: null,\n        src: '',\n        source: {},\n        sources: [],\n        volume: 1\n      };\n    }\n    /**\n     * Pass values to the playback tech\n     *\n     * @param {string} [method]\n     *        the method to call\n     *\n     * @param {Object} arg\n     *        the argument to pass\n     *\n     * @private\n     */\n    ;\n\n    _proto.techCall_ = function techCall_(method, arg) {\n      // If it's not ready yet, call method when it is\n      this.ready(function () {\n        if (method in allowedSetters) {\n          return set(this.middleware_, this.tech_, method, arg);\n        } else if (method in allowedMediators) {\n          return mediate(this.middleware_, this.tech_, method, arg);\n        }\n\n        try {\n          if (this.tech_) {\n            this.tech_[method](arg);\n          }\n        } catch (e) {\n          log(e);\n          throw e;\n        }\n      }, true);\n    }\n    /**\n     * Get calls can't wait for the tech, and sometimes don't need to.\n     *\n     * @param {string} method\n     *        Tech method\n     *\n     * @return {Function|undefined}\n     *         the method or undefined\n     *\n     * @private\n     */\n    ;\n\n    _proto.techGet_ = function techGet_(method) {\n      if (!this.tech_ || !this.tech_.isReady_) {\n        return;\n      }\n\n      if (method in allowedGetters) {\n        return get(this.middleware_, this.tech_, method);\n      } else if (method in allowedMediators) {\n        return mediate(this.middleware_, this.tech_, method);\n      } // Flash likes to die and reload when you hide or reposition it.\n      // In these cases the object methods go away and we get errors.\n      // When that happens we'll catch the errors and inform tech that it's not ready any more.\n\n\n      try {\n        return this.tech_[method]();\n      } catch (e) {\n        // When building additional tech libs, an expected method may not be defined yet\n        if (this.tech_[method] === undefined) {\n          log(\"Video.js: \" + method + \" method not defined for \" + this.techName_ + \" playback technology.\", e);\n          throw e;\n        } // When a method isn't available on the object it throws a TypeError\n\n\n        if (e.name === 'TypeError') {\n          log(\"Video.js: \" + method + \" unavailable on \" + this.techName_ + \" playback technology element.\", e);\n          this.tech_.isReady_ = false;\n          throw e;\n        } // If error unknown, just log and throw\n\n\n        log(e);\n        throw e;\n      }\n    }\n    /**\n     * Attempt to begin playback at the first opportunity.\n     *\n     * @return {Promise|undefined}\n     *         Returns a promise if the browser supports Promises (or one\n     *         was passed in as an option). This promise will be resolved on\n     *         the return value of play. If this is undefined it will fulfill the\n     *         promise chain otherwise the promise chain will be fulfilled when\n     *         the promise from play is fulfilled.\n     */\n    ;\n\n    _proto.play = function play() {\n      var _this8 = this;\n\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (PromiseClass) {\n        return new PromiseClass(function (resolve) {\n          _this8.play_(resolve);\n        });\n      }\n\n      return this.play_();\n    }\n    /**\n     * The actual logic for play, takes a callback that will be resolved on the\n     * return value of play. This allows us to resolve to the play promise if there\n     * is one on modern browsers.\n     *\n     * @private\n     * @param {Function} [callback]\n     *        The callback that should be called when the techs play is actually called\n     */\n    ;\n\n    _proto.play_ = function play_(callback) {\n      var _this9 = this;\n\n      if (callback === void 0) {\n        callback = silencePromise;\n      }\n\n      this.playCallbacks_.push(callback);\n      var isSrcReady = Boolean(!this.changingSrc_ && (this.src() || this.currentSrc())); // treat calls to play_ somewhat like the `one` event function\n\n      if (this.waitToPlay_) {\n        this.off(['ready', 'loadstart'], this.waitToPlay_);\n        this.waitToPlay_ = null;\n      } // if the player/tech is not ready or the src itself is not ready\n      // queue up a call to play on `ready` or `loadstart`\n\n\n      if (!this.isReady_ || !isSrcReady) {\n        this.waitToPlay_ = function (e) {\n          _this9.play_();\n        };\n\n        this.one(['ready', 'loadstart'], this.waitToPlay_); // if we are in Safari, there is a high chance that loadstart will trigger after the gesture timeperiod\n        // in that case, we need to prime the video element by calling load so it'll be ready in time\n\n        if (!isSrcReady && (IS_ANY_SAFARI || IS_IOS)) {\n          this.load();\n        }\n\n        return;\n      } // If the player/tech is ready and we have a source, we can attempt playback.\n\n\n      var val = this.techGet_('play'); // play was terminated if the returned value is null\n\n      if (val === null) {\n        this.runPlayTerminatedQueue_();\n      } else {\n        this.runPlayCallbacks_(val);\n      }\n    }\n    /**\n     * These functions will be run when if play is terminated. If play\n     * runPlayCallbacks_ is run these function will not be run. This allows us\n     * to differenciate between a terminated play and an actual call to play.\n     */\n    ;\n\n    _proto.runPlayTerminatedQueue_ = function runPlayTerminatedQueue_() {\n      var queue = this.playTerminatedQueue_.slice(0);\n      this.playTerminatedQueue_ = [];\n      queue.forEach(function (q) {\n        q();\n      });\n    }\n    /**\n     * When a callback to play is delayed we have to run these\n     * callbacks when play is actually called on the tech. This function\n     * runs the callbacks that were delayed and accepts the return value\n     * from the tech.\n     *\n     * @param {undefined|Promise} val\n     *        The return value from the tech.\n     */\n    ;\n\n    _proto.runPlayCallbacks_ = function runPlayCallbacks_(val) {\n      var callbacks = this.playCallbacks_.slice(0);\n      this.playCallbacks_ = []; // clear play terminatedQueue since we finished a real play\n\n      this.playTerminatedQueue_ = [];\n      callbacks.forEach(function (cb) {\n        cb(val);\n      });\n    }\n    /**\n     * Pause the video playback\n     *\n     * @return {Player}\n     *         A reference to the player object this function was called on\n     */\n    ;\n\n    _proto.pause = function pause() {\n      this.techCall_('pause');\n    }\n    /**\n     * Check if the player is paused or has yet to play\n     *\n     * @return {boolean}\n     *         - false: if the media is currently playing\n     *         - true: if media is not currently playing\n     */\n    ;\n\n    _proto.paused = function paused() {\n      // The initial state of paused should be true (in Safari it's actually false)\n      return this.techGet_('paused') === false ? false : true;\n    }\n    /**\n     * Get a TimeRange object representing the current ranges of time that the user\n     * has played.\n     *\n     * @return {TimeRange}\n     *         A time range object that represents all the increments of time that have\n     *         been played.\n     */\n    ;\n\n    _proto.played = function played() {\n      return this.techGet_('played') || createTimeRanges(0, 0);\n    }\n    /**\n     * Returns whether or not the user is \"scrubbing\". Scrubbing is\n     * when the user has clicked the progress bar handle and is\n     * dragging it along the progress bar.\n     *\n     * @param {boolean} [isScrubbing]\n     *        whether the user is or is not scrubbing\n     *\n     * @return {boolean}\n     *         The value of scrubbing when getting\n     */\n    ;\n\n    _proto.scrubbing = function scrubbing(isScrubbing) {\n      if (typeof isScrubbing === 'undefined') {\n        return this.scrubbing_;\n      }\n\n      this.scrubbing_ = !!isScrubbing;\n\n      if (isScrubbing) {\n        this.addClass('vjs-scrubbing');\n      } else {\n        this.removeClass('vjs-scrubbing');\n      }\n    }\n    /**\n     * Get or set the current time (in seconds)\n     *\n     * @param {number|string} [seconds]\n     *        The time to seek to in seconds\n     *\n     * @return {number}\n     *         - the current time in seconds when getting\n     */\n    ;\n\n    _proto.currentTime = function currentTime(seconds) {\n      if (typeof seconds !== 'undefined') {\n        if (seconds < 0) {\n          seconds = 0;\n        }\n\n        this.techCall_('setCurrentTime', seconds);\n        return;\n      } // cache last currentTime and return. default to 0 seconds\n      //\n      // Caching the currentTime is meant to prevent a massive amount of reads on the tech's\n      // currentTime when scrubbing, but may not provide much performance benefit afterall.\n      // Should be tested. Also something has to read the actual current time or the cache will\n      // never get updated.\n\n\n      this.cache_.currentTime = this.techGet_('currentTime') || 0;\n      return this.cache_.currentTime;\n    }\n    /**\n     * Normally gets the length in time of the video in seconds;\n     * in all but the rarest use cases an argument will NOT be passed to the method\n     *\n     * > **NOTE**: The video must have started loading before the duration can be\n     * known, and in the case of Flash, may not be known until the video starts\n     * playing.\n     *\n     * @fires Player#durationchange\n     *\n     * @param {number} [seconds]\n     *        The duration of the video to set in seconds\n     *\n     * @return {number}\n     *         - The duration of the video in seconds when getting\n     */\n    ;\n\n    _proto.duration = function duration(seconds) {\n      if (seconds === undefined) {\n        // return NaN if the duration is not known\n        return this.cache_.duration !== undefined ? this.cache_.duration : NaN;\n      }\n\n      seconds = parseFloat(seconds); // Standardize on Infinity for signaling video is live\n\n      if (seconds < 0) {\n        seconds = Infinity;\n      }\n\n      if (seconds !== this.cache_.duration) {\n        // Cache the last set value for optimized scrubbing (esp. Flash)\n        this.cache_.duration = seconds;\n\n        if (seconds === Infinity) {\n          this.addClass('vjs-live');\n        } else {\n          this.removeClass('vjs-live');\n        }\n\n        if (!isNaN(seconds)) {\n          // Do not fire durationchange unless the duration value is known.\n          // @see [Spec]{@link https://www.w3.org/TR/2011/WD-html5-20110113/video.html#media-element-load-algorithm}\n\n          /**\n           * @event Player#durationchange\n           * @type {EventTarget~Event}\n           */\n          this.trigger('durationchange');\n        }\n      }\n    }\n    /**\n     * Calculates how much time is left in the video. Not part\n     * of the native video API.\n     *\n     * @return {number}\n     *         The time remaining in seconds\n     */\n    ;\n\n    _proto.remainingTime = function remainingTime() {\n      return this.duration() - this.currentTime();\n    }\n    /**\n     * A remaining time function that is intented to be used when\n     * the time is to be displayed directly to the user.\n     *\n     * @return {number}\n     *         The rounded time remaining in seconds\n     */\n    ;\n\n    _proto.remainingTimeDisplay = function remainingTimeDisplay() {\n      return Math.floor(this.duration()) - Math.floor(this.currentTime());\n    } //\n    // Kind of like an array of portions of the video that have been downloaded.\n\n    /**\n     * Get a TimeRange object with an array of the times of the video\n     * that have been downloaded. If you just want the percent of the\n     * video that's been downloaded, use bufferedPercent.\n     *\n     * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}\n     *\n     * @return {TimeRange}\n     *         A mock TimeRange object (following HTML spec)\n     */\n    ;\n\n    _proto.buffered = function buffered() {\n      var buffered = this.techGet_('buffered');\n\n      if (!buffered || !buffered.length) {\n        buffered = createTimeRanges(0, 0);\n      }\n\n      return buffered;\n    }\n    /**\n     * Get the percent (as a decimal) of the video that's been downloaded.\n     * This method is not a part of the native HTML video API.\n     *\n     * @return {number}\n     *         A decimal between 0 and 1 representing the percent\n     *         that is buffered 0 being 0% and 1 being 100%\n     */\n    ;\n\n    _proto.bufferedPercent = function bufferedPercent$1() {\n      return bufferedPercent(this.buffered(), this.duration());\n    }\n    /**\n     * Get the ending time of the last buffered time range\n     * This is used in the progress bar to encapsulate all time ranges.\n     *\n     * @return {number}\n     *         The end of the last buffered time range\n     */\n    ;\n\n    _proto.bufferedEnd = function bufferedEnd() {\n      var buffered = this.buffered();\n      var duration = this.duration();\n      var end = buffered.end(buffered.length - 1);\n\n      if (end > duration) {\n        end = duration;\n      }\n\n      return end;\n    }\n    /**\n     * Get or set the current volume of the media\n     *\n     * @param  {number} [percentAsDecimal]\n     *         The new volume as a decimal percent:\n     *         - 0 is muted/0%/off\n     *         - 1.0 is 100%/full\n     *         - 0.5 is half volume or 50%\n     *\n     * @return {number}\n     *         The current volume as a percent when getting\n     */\n    ;\n\n    _proto.volume = function volume(percentAsDecimal) {\n      var vol;\n\n      if (percentAsDecimal !== undefined) {\n        // Force value to between 0 and 1\n        vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));\n        this.cache_.volume = vol;\n        this.techCall_('setVolume', vol);\n\n        if (vol > 0) {\n          this.lastVolume_(vol);\n        }\n\n        return;\n      } // Default to 1 when returning current volume.\n\n\n      vol = parseFloat(this.techGet_('volume'));\n      return isNaN(vol) ? 1 : vol;\n    }\n    /**\n     * Get the current muted state, or turn mute on or off\n     *\n     * @param {boolean} [muted]\n     *        - true to mute\n     *        - false to unmute\n     *\n     * @return {boolean}\n     *         - true if mute is on and getting\n     *         - false if mute is off and getting\n     */\n    ;\n\n    _proto.muted = function muted(_muted) {\n      if (_muted !== undefined) {\n        this.techCall_('setMuted', _muted);\n        return;\n      }\n\n      return this.techGet_('muted') || false;\n    }\n    /**\n     * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted\n     * indicates the state of muted on initial playback.\n     *\n     * ```js\n     *   var myPlayer = videojs('some-player-id');\n     *\n     *   myPlayer.src(\"http://www.example.com/path/to/video.mp4\");\n     *\n     *   // get, should be false\n     *   console.log(myPlayer.defaultMuted());\n     *   // set to true\n     *   myPlayer.defaultMuted(true);\n     *   // get should be true\n     *   console.log(myPlayer.defaultMuted());\n     * ```\n     *\n     * @param {boolean} [defaultMuted]\n     *        - true to mute\n     *        - false to unmute\n     *\n     * @return {boolean|Player}\n     *         - true if defaultMuted is on and getting\n     *         - false if defaultMuted is off and getting\n     *         - A reference to the current player when setting\n     */\n    ;\n\n    _proto.defaultMuted = function defaultMuted(_defaultMuted) {\n      if (_defaultMuted !== undefined) {\n        return this.techCall_('setDefaultMuted', _defaultMuted);\n      }\n\n      return this.techGet_('defaultMuted') || false;\n    }\n    /**\n     * Get the last volume, or set it\n     *\n     * @param  {number} [percentAsDecimal]\n     *         The new last volume as a decimal percent:\n     *         - 0 is muted/0%/off\n     *         - 1.0 is 100%/full\n     *         - 0.5 is half volume or 50%\n     *\n     * @return {number}\n     *         the current value of lastVolume as a percent when getting\n     *\n     * @private\n     */\n    ;\n\n    _proto.lastVolume_ = function lastVolume_(percentAsDecimal) {\n      if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {\n        this.cache_.lastVolume = percentAsDecimal;\n        return;\n      }\n\n      return this.cache_.lastVolume;\n    }\n    /**\n     * Check if current tech can support native fullscreen\n     * (e.g. with built in controls like iOS, so not our flash swf)\n     *\n     * @return {boolean}\n     *         if native fullscreen is supported\n     */\n    ;\n\n    _proto.supportsFullScreen = function supportsFullScreen() {\n      return this.techGet_('supportsFullScreen') || false;\n    }\n    /**\n     * Check if the player is in fullscreen mode or tell the player that it\n     * is or is not in fullscreen mode.\n     *\n     * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official\n     * property and instead document.fullscreenElement is used. But isFullscreen is\n     * still a valuable property for internal player workings.\n     *\n     * @param  {boolean} [isFS]\n     *         Set the players current fullscreen state\n     *\n     * @return {boolean}\n     *         - true if fullscreen is on and getting\n     *         - false if fullscreen is off and getting\n     */\n    ;\n\n    _proto.isFullscreen = function isFullscreen(isFS) {\n      if (isFS !== undefined) {\n        var oldValue = this.isFullscreen_;\n        this.isFullscreen_ = Boolean(isFS); // if we changed fullscreen state and we're in prefixed mode, trigger fullscreenchange\n        // this is the only place where we trigger fullscreenchange events for older browsers\n        // fullWindow mode is treated as a prefixed event and will get a fullscreenchange event as well\n\n        if (this.isFullscreen_ !== oldValue && this.fsApi_.prefixed) {\n          /**\n             * @event Player#fullscreenchange\n             * @type {EventTarget~Event}\n             */\n          this.trigger('fullscreenchange');\n        }\n\n        this.toggleFullscreenClass_();\n        return;\n      }\n\n      return this.isFullscreen_;\n    }\n    /**\n     * Increase the size of the video to full screen\n     * In some browsers, full screen is not supported natively, so it enters\n     * \"full window mode\", where the video fills the browser window.\n     * In browsers and devices that support native full screen, sometimes the\n     * browser's default controls will be shown, and not the Video.js custom skin.\n     * This includes most mobile devices (iOS, Android) and older versions of\n     * Safari.\n     *\n     * @param  {Object} [fullscreenOptions]\n     *         Override the player fullscreen options\n     *\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.requestFullscreen = function requestFullscreen(fullscreenOptions) {\n      var _this10 = this;\n\n      var fsOptions; // Only pass fullscreen options to requestFullscreen in spec-compliant browsers.\n      // Use defaults or player configured option unless passed directly to this method.\n\n      if (!this.fsApi_.prefixed) {\n        fsOptions = this.options_.fullscreen && this.options_.fullscreen.options || {};\n\n        if (fullscreenOptions !== undefined) {\n          fsOptions = fullscreenOptions;\n        }\n      } // This method works as follows:\n      // 1. if a fullscreen api is available, use it\n      //   1. call requestFullscreen with potential options\n      //   2. if we got a promise from above, use it to update isFullscreen()\n      // 2. otherwise, if the tech supports fullscreen, call `enterFullScreen` on it.\n      //   This is particularly used for iPhone, older iPads, and non-safari browser on iOS.\n      // 3. otherwise, use \"fullWindow\" mode\n\n\n      if (this.fsApi_.requestFullscreen) {\n        var promise = this.el_[this.fsApi_.requestFullscreen](fsOptions);\n\n        if (promise) {\n          promise.then(function () {\n            return _this10.isFullscreen(true);\n          }, function () {\n            return _this10.isFullscreen(false);\n          });\n        }\n\n        return promise;\n      } else if (this.tech_.supportsFullScreen()) {\n        // we can't take the video.js controls fullscreen but we can go fullscreen\n        // with native controls\n        this.techCall_('enterFullScreen');\n      } else {\n        // fullscreen isn't supported so we'll just stretch the video element to\n        // fill the viewport\n        this.enterFullWindow();\n      }\n    }\n    /**\n     * Return the video to its normal size after having been in full screen mode\n     *\n     * @fires Player#fullscreenchange\n     */\n    ;\n\n    _proto.exitFullscreen = function exitFullscreen() {\n      var _this11 = this;\n\n      if (this.fsApi_.requestFullscreen) {\n        var promise = document[this.fsApi_.exitFullscreen]();\n\n        if (promise) {\n          promise.then(function () {\n            return _this11.isFullscreen(false);\n          });\n        }\n\n        return promise;\n      } else if (this.tech_.supportsFullScreen()) {\n        this.techCall_('exitFullScreen');\n      } else {\n        this.exitFullWindow();\n      }\n    }\n    /**\n     * When fullscreen isn't supported we can stretch the\n     * video container to as wide as the browser will let us.\n     *\n     * @fires Player#enterFullWindow\n     */\n    ;\n\n    _proto.enterFullWindow = function enterFullWindow() {\n      this.isFullscreen(true);\n      this.isFullWindow = true; // Storing original doc overflow value to return to when fullscreen is off\n\n      this.docOrigOverflow = document.documentElement.style.overflow; // Add listener for esc key to exit fullscreen\n\n      on(document, 'keydown', this.boundFullWindowOnEscKey_); // Hide any scroll bars\n\n      document.documentElement.style.overflow = 'hidden'; // Apply fullscreen styles\n\n      addClass(document.body, 'vjs-full-window');\n      /**\n       * @event Player#enterFullWindow\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('enterFullWindow');\n    }\n    /**\n     * Check for call to either exit full window or\n     * full screen on ESC key\n     *\n     * @param {string} event\n     *        Event to check for key press\n     */\n    ;\n\n    _proto.fullWindowOnEscKey = function fullWindowOnEscKey(event) {\n      if (keycode.isEventKey(event, 'Esc')) {\n        if (this.isFullscreen() === true) {\n          this.exitFullscreen();\n        } else {\n          this.exitFullWindow();\n        }\n      }\n    }\n    /**\n     * Exit full window\n     *\n     * @fires Player#exitFullWindow\n     */\n    ;\n\n    _proto.exitFullWindow = function exitFullWindow() {\n      this.isFullscreen(false);\n      this.isFullWindow = false;\n      off(document, 'keydown', this.boundFullWindowOnEscKey_); // Unhide scroll bars.\n\n      document.documentElement.style.overflow = this.docOrigOverflow; // Remove fullscreen styles\n\n      removeClass(document.body, 'vjs-full-window'); // Resize the box, controller, and poster to original sizes\n      // this.positionAll();\n\n      /**\n       * @event Player#exitFullWindow\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('exitFullWindow');\n    }\n    /**\n     * Check if the player is in Picture-in-Picture mode or tell the player that it\n     * is or is not in Picture-in-Picture mode.\n     *\n     * @param  {boolean} [isPiP]\n     *         Set the players current Picture-in-Picture state\n     *\n     * @return {boolean}\n     *         - true if Picture-in-Picture is on and getting\n     *         - false if Picture-in-Picture is off and getting\n     */\n    ;\n\n    _proto.isInPictureInPicture = function isInPictureInPicture(isPiP) {\n      if (isPiP !== undefined) {\n        this.isInPictureInPicture_ = !!isPiP;\n        this.togglePictureInPictureClass_();\n        return;\n      }\n\n      return !!this.isInPictureInPicture_;\n    }\n    /**\n     * Create a floating video window always on top of other windows so that users may\n     * continue consuming media while they interact with other content sites, or\n     * applications on their device.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @fires Player#enterpictureinpicture\n     *\n     * @return {Promise}\n     *         A promise with a Picture-in-Picture window.\n     */\n    ;\n\n    _proto.requestPictureInPicture = function requestPictureInPicture() {\n      if ('pictureInPictureEnabled' in document) {\n        /**\n         * This event fires when the player enters picture in picture mode\n         *\n         * @event Player#enterpictureinpicture\n         * @type {EventTarget~Event}\n         */\n        return this.techGet_('requestPictureInPicture');\n      }\n    }\n    /**\n     * Exit Picture-in-Picture mode.\n     *\n     * @see [Spec]{@link https://wicg.github.io/picture-in-picture}\n     *\n     * @fires Player#leavepictureinpicture\n     *\n     * @return {Promise}\n     *         A promise.\n     */\n    ;\n\n    _proto.exitPictureInPicture = function exitPictureInPicture() {\n      if ('pictureInPictureEnabled' in document) {\n        /**\n         * This event fires when the player leaves picture in picture mode\n         *\n         * @event Player#leavepictureinpicture\n         * @type {EventTarget~Event}\n         */\n        return document.exitPictureInPicture();\n      }\n    }\n    /**\n     * Called when this Player has focus and a key gets pressed down, or when\n     * any Component of this player receives a key press that it doesn't handle.\n     * This allows player-wide hotkeys (either as defined below, or optionally\n     * by an external function).\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     *\n     * @listens keydown\n     */\n    ;\n\n    _proto.handleKeyDown = function handleKeyDown(event) {\n      var userActions = this.options_.userActions; // Bail out if hotkeys are not configured.\n\n      if (!userActions || !userActions.hotkeys) {\n        return;\n      } // Function that determines whether or not to exclude an element from\n      // hotkeys handling.\n\n\n      var excludeElement = function excludeElement(el) {\n        var tagName = el.tagName.toLowerCase(); // The first and easiest test is for `contenteditable` elements.\n\n        if (el.isContentEditable) {\n          return true;\n        } // Inputs matching these types will still trigger hotkey handling as\n        // they are not text inputs.\n\n\n        var allowedInputTypes = ['button', 'checkbox', 'hidden', 'radio', 'reset', 'submit'];\n\n        if (tagName === 'input') {\n          return allowedInputTypes.indexOf(el.type) === -1;\n        } // The final test is by tag name. These tags will be excluded entirely.\n\n\n        var excludedTags = ['textarea'];\n        return excludedTags.indexOf(tagName) !== -1;\n      }; // Bail out if the user is focused on an interactive form element.\n\n\n      if (excludeElement(this.el_.ownerDocument.activeElement)) {\n        return;\n      }\n\n      if (typeof userActions.hotkeys === 'function') {\n        userActions.hotkeys.call(this, event);\n      } else {\n        this.handleHotkeys(event);\n      }\n    }\n    /**\n     * Called when this Player receives a hotkey keydown event.\n     * Supported player-wide hotkeys are:\n     *\n     *   f          - toggle fullscreen\n     *   m          - toggle mute\n     *   k or Space - toggle play/pause\n     *\n     * @param {EventTarget~Event} event\n     *        The `keydown` event that caused this function to be called.\n     */\n    ;\n\n    _proto.handleHotkeys = function handleHotkeys(event) {\n      var hotkeys = this.options_.userActions ? this.options_.userActions.hotkeys : {}; // set fullscreenKey, muteKey, playPauseKey from `hotkeys`, use defaults if not set\n\n      var _hotkeys$fullscreenKe = hotkeys.fullscreenKey,\n          fullscreenKey = _hotkeys$fullscreenKe === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'f');\n      } : _hotkeys$fullscreenKe,\n          _hotkeys$muteKey = hotkeys.muteKey,\n          muteKey = _hotkeys$muteKey === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'm');\n      } : _hotkeys$muteKey,\n          _hotkeys$playPauseKey = hotkeys.playPauseKey,\n          playPauseKey = _hotkeys$playPauseKey === void 0 ? function (keydownEvent) {\n        return keycode.isEventKey(keydownEvent, 'k') || keycode.isEventKey(keydownEvent, 'Space');\n      } : _hotkeys$playPauseKey;\n\n      if (fullscreenKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var FSToggle = Component.getComponent('FullscreenToggle');\n\n        if (document[this.fsApi_.fullscreenEnabled] !== false) {\n          FSToggle.prototype.handleClick.call(this, event);\n        }\n      } else if (muteKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var MuteToggle = Component.getComponent('MuteToggle');\n        MuteToggle.prototype.handleClick.call(this, event);\n      } else if (playPauseKey.call(this, event)) {\n        event.preventDefault();\n        event.stopPropagation();\n        var PlayToggle = Component.getComponent('PlayToggle');\n        PlayToggle.prototype.handleClick.call(this, event);\n      }\n    }\n    /**\n     * Check whether the player can play a given mimetype\n     *\n     * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype\n     *\n     * @param {string} type\n     *        The mimetype to check\n     *\n     * @return {string}\n     *         'probably', 'maybe', or '' (empty string)\n     */\n    ;\n\n    _proto.canPlayType = function canPlayType(type) {\n      var can; // Loop through each playback technology in the options order\n\n      for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {\n        var techName = j[i];\n        var tech = Tech.getTech(techName); // Support old behavior of techs being registered as components.\n        // Remove once that deprecated behavior is removed.\n\n        if (!tech) {\n          tech = Component.getComponent(techName);\n        } // Check if the current tech is defined before continuing\n\n\n        if (!tech) {\n          log.error(\"The \\\"\" + techName + \"\\\" tech is undefined. Skipped browser support check for that tech.\");\n          continue;\n        } // Check if the browser supports this technology\n\n\n        if (tech.isSupported()) {\n          can = tech.canPlayType(type);\n\n          if (can) {\n            return can;\n          }\n        }\n      }\n\n      return '';\n    }\n    /**\n     * Select source based on tech-order or source-order\n     * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,\n     * defaults to tech-order selection\n     *\n     * @param {Array} sources\n     *        The sources for a media asset\n     *\n     * @return {Object|boolean}\n     *         Object of source and tech order or false\n     */\n    ;\n\n    _proto.selectSource = function selectSource(sources) {\n      var _this12 = this;\n\n      // Get only the techs specified in `techOrder` that exist and are supported by the\n      // current platform\n      var techs = this.options_.techOrder.map(function (techName) {\n        return [techName, Tech.getTech(techName)];\n      }).filter(function (_ref) {\n        var techName = _ref[0],\n            tech = _ref[1];\n\n        // Check if the current tech is defined before continuing\n        if (tech) {\n          // Check if the browser supports this technology\n          return tech.isSupported();\n        }\n\n        log.error(\"The \\\"\" + techName + \"\\\" tech is undefined. Skipped browser support check for that tech.\");\n        return false;\n      }); // Iterate over each `innerArray` element once per `outerArray` element and execute\n      // `tester` with both. If `tester` returns a non-falsy value, exit early and return\n      // that value.\n\n      var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {\n        var found;\n        outerArray.some(function (outerChoice) {\n          return innerArray.some(function (innerChoice) {\n            found = tester(outerChoice, innerChoice);\n\n            if (found) {\n              return true;\n            }\n          });\n        });\n        return found;\n      };\n\n      var foundSourceAndTech;\n\n      var flip = function flip(fn) {\n        return function (a, b) {\n          return fn(b, a);\n        };\n      };\n\n      var finder = function finder(_ref2, source) {\n        var techName = _ref2[0],\n            tech = _ref2[1];\n\n        if (tech.canPlaySource(source, _this12.options_[techName.toLowerCase()])) {\n          return {\n            source: source,\n            tech: techName\n          };\n        }\n      }; // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources\n      // to select from them based on their priority.\n\n\n      if (this.options_.sourceOrder) {\n        // Source-first ordering\n        foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));\n      } else {\n        // Tech-first ordering\n        foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);\n      }\n\n      return foundSourceAndTech || false;\n    }\n    /**\n     * Get or set the video source.\n     *\n     * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]\n     *        A SourceObject, an array of SourceObjects, or a string referencing\n     *        a URL to a media source. It is _highly recommended_ that an object\n     *        or array of objects is used here, so that source selection\n     *        algorithms can take the `type` into account.\n     *\n     *        If not provided, this method acts as a getter.\n     *\n     * @return {string|undefined}\n     *         If the `source` argument is missing, returns the current source\n     *         URL. Otherwise, returns nothing/undefined.\n     */\n    ;\n\n    _proto.src = function src(source) {\n      var _this13 = this;\n\n      // getter usage\n      if (typeof source === 'undefined') {\n        return this.cache_.src || '';\n      } // filter out invalid sources and turn our source into\n      // an array of source objects\n\n\n      var sources = filterSource(source); // if a source was passed in then it is invalid because\n      // it was filtered to a zero length Array. So we have to\n      // show an error\n\n      if (!sources.length) {\n        this.setTimeout(function () {\n          this.error({\n            code: 4,\n            message: this.localize(this.options_.notSupportedMessage)\n          });\n        }, 0);\n        return;\n      } // intial sources\n\n\n      this.changingSrc_ = true;\n      this.cache_.sources = sources;\n      this.updateSourceCaches_(sources[0]); // middlewareSource is the source after it has been changed by middleware\n\n      setSource(this, sources[0], function (middlewareSource, mws) {\n        _this13.middleware_ = mws; // since sourceSet is async we have to update the cache again after we select a source since\n        // the source that is selected could be out of order from the cache update above this callback.\n\n        _this13.cache_.sources = sources;\n\n        _this13.updateSourceCaches_(middlewareSource);\n\n        var err = _this13.src_(middlewareSource);\n\n        if (err) {\n          if (sources.length > 1) {\n            return _this13.src(sources.slice(1));\n          }\n\n          _this13.changingSrc_ = false; // We need to wrap this in a timeout to give folks a chance to add error event handlers\n\n          _this13.setTimeout(function () {\n            this.error({\n              code: 4,\n              message: this.localize(this.options_.notSupportedMessage)\n            });\n          }, 0); // we could not find an appropriate tech, but let's still notify the delegate that this is it\n          // this needs a better comment about why this is needed\n\n\n          _this13.triggerReady();\n\n          return;\n        }\n\n        setTech(mws, _this13.tech_);\n      });\n    }\n    /**\n     * Set the source object on the tech, returns a boolean that indicates whether\n     * there is a tech that can play the source or not\n     *\n     * @param {Tech~SourceObject} source\n     *        The source object to set on the Tech\n     *\n     * @return {boolean}\n     *         - True if there is no Tech to playback this source\n     *         - False otherwise\n     *\n     * @private\n     */\n    ;\n\n    _proto.src_ = function src_(source) {\n      var _this14 = this;\n\n      var sourceTech = this.selectSource([source]);\n\n      if (!sourceTech) {\n        return true;\n      }\n\n      if (!titleCaseEquals(sourceTech.tech, this.techName_)) {\n        this.changingSrc_ = true; // load this technology with the chosen source\n\n        this.loadTech_(sourceTech.tech, sourceTech.source);\n        this.tech_.ready(function () {\n          _this14.changingSrc_ = false;\n        });\n        return false;\n      } // wait until the tech is ready to set the source\n      // and set it synchronously if possible (#2326)\n\n\n      this.ready(function () {\n        // The setSource tech method was added with source handlers\n        // so older techs won't support it\n        // We need to check the direct prototype for the case where subclasses\n        // of the tech do not support source handlers\n        if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {\n          this.techCall_('setSource', source);\n        } else {\n          this.techCall_('src', source.src);\n        }\n\n        this.changingSrc_ = false;\n      }, true);\n      return false;\n    }\n    /**\n     * Begin loading the src data.\n     */\n    ;\n\n    _proto.load = function load() {\n      this.techCall_('load');\n    }\n    /**\n     * Reset the player. Loads the first tech in the techOrder,\n     * removes all the text tracks in the existing `tech`,\n     * and calls `reset` on the `tech`.\n     */\n    ;\n\n    _proto.reset = function reset() {\n      var _this15 = this;\n\n      var PromiseClass = this.options_.Promise || window$3.Promise;\n\n      if (this.paused() || !PromiseClass) {\n        this.doReset_();\n      } else {\n        var playPromise = this.play();\n        silencePromise(playPromise.then(function () {\n          return _this15.doReset_();\n        }));\n      }\n    };\n\n    _proto.doReset_ = function doReset_() {\n      if (this.tech_) {\n        this.tech_.clearTracks('text');\n      }\n\n      this.resetCache_();\n      this.poster('');\n      this.loadTech_(this.options_.techOrder[0], null);\n      this.techCall_('reset');\n      this.resetControlBarUI_();\n\n      if (isEvented(this)) {\n        this.trigger('playerreset');\n      }\n    }\n    /**\n     * Reset Control Bar's UI by calling sub-methods that reset\n     * all of Control Bar's components\n     */\n    ;\n\n    _proto.resetControlBarUI_ = function resetControlBarUI_() {\n      this.resetProgressBar_();\n      this.resetPlaybackRate_();\n      this.resetVolumeBar_();\n    }\n    /**\n     * Reset tech's progress so progress bar is reset in the UI\n     */\n    ;\n\n    _proto.resetProgressBar_ = function resetProgressBar_() {\n      this.currentTime(0);\n      var _this$controlBar = this.controlBar,\n          durationDisplay = _this$controlBar.durationDisplay,\n          remainingTimeDisplay = _this$controlBar.remainingTimeDisplay;\n\n      if (durationDisplay) {\n        durationDisplay.updateContent();\n      }\n\n      if (remainingTimeDisplay) {\n        remainingTimeDisplay.updateContent();\n      }\n    }\n    /**\n     * Reset Playback ratio\n     */\n    ;\n\n    _proto.resetPlaybackRate_ = function resetPlaybackRate_() {\n      this.playbackRate(this.defaultPlaybackRate());\n      this.handleTechRateChange_();\n    }\n    /**\n     * Reset Volume bar\n     */\n    ;\n\n    _proto.resetVolumeBar_ = function resetVolumeBar_() {\n      this.volume(1.0);\n      this.trigger('volumechange');\n    }\n    /**\n     * Returns all of the current source objects.\n     *\n     * @return {Tech~SourceObject[]}\n     *         The current source objects\n     */\n    ;\n\n    _proto.currentSources = function currentSources() {\n      var source = this.currentSource();\n      var sources = []; // assume `{}` or `{ src }`\n\n      if (Object.keys(source).length !== 0) {\n        sources.push(source);\n      }\n\n      return this.cache_.sources || sources;\n    }\n    /**\n     * Returns the current source object.\n     *\n     * @return {Tech~SourceObject}\n     *         The current source object\n     */\n    ;\n\n    _proto.currentSource = function currentSource() {\n      return this.cache_.source || {};\n    }\n    /**\n     * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4\n     * Can be used in conjunction with `currentType` to assist in rebuilding the current source object.\n     *\n     * @return {string}\n     *         The current source\n     */\n    ;\n\n    _proto.currentSrc = function currentSrc() {\n      return this.currentSource() && this.currentSource().src || '';\n    }\n    /**\n     * Get the current source type e.g. video/mp4\n     * This can allow you rebuild the current source object so that you could load the same\n     * source and tech later\n     *\n     * @return {string}\n     *         The source MIME type\n     */\n    ;\n\n    _proto.currentType = function currentType() {\n      return this.currentSource() && this.currentSource().type || '';\n    }\n    /**\n     * Get or set the preload attribute\n     *\n     * @param {boolean} [value]\n     *        - true means that we should preload\n     *        - false means that we should not preload\n     *\n     * @return {string}\n     *         The preload attribute value when getting\n     */\n    ;\n\n    _proto.preload = function preload(value) {\n      if (value !== undefined) {\n        this.techCall_('setPreload', value);\n        this.options_.preload = value;\n        return;\n      }\n\n      return this.techGet_('preload');\n    }\n    /**\n     * Get or set the autoplay option. When this is a boolean it will\n     * modify the attribute on the tech. When this is a string the attribute on\n     * the tech will be removed and `Player` will handle autoplay on loadstarts.\n     *\n     * @param {boolean|string} [value]\n     *        - true: autoplay using the browser behavior\n     *        - false: do not autoplay\n     *        - 'play': call play() on every loadstart\n     *        - 'muted': call muted() then play() on every loadstart\n     *        - 'any': call play() on every loadstart. if that fails call muted() then play().\n     *        - *: values other than those listed here will be set `autoplay` to true\n     *\n     * @return {boolean|string}\n     *         The current value of autoplay when getting\n     */\n    ;\n\n    _proto.autoplay = function autoplay(value) {\n      // getter usage\n      if (value === undefined) {\n        return this.options_.autoplay || false;\n      }\n\n      var techAutoplay; // if the value is a valid string set it to that\n\n      if (typeof value === 'string' && /(any|play|muted)/.test(value)) {\n        this.options_.autoplay = value;\n        this.manualAutoplay_(value);\n        techAutoplay = false; // any falsy value sets autoplay to false in the browser,\n        // lets do the same\n      } else if (!value) {\n        this.options_.autoplay = false; // any other value (ie truthy) sets autoplay to true\n      } else {\n        this.options_.autoplay = true;\n      }\n\n      techAutoplay = typeof techAutoplay === 'undefined' ? this.options_.autoplay : techAutoplay; // if we don't have a tech then we do not queue up\n      // a setAutoplay call on tech ready. We do this because the\n      // autoplay option will be passed in the constructor and we\n      // do not need to set it twice\n\n      if (this.tech_) {\n        this.techCall_('setAutoplay', techAutoplay);\n      }\n    }\n    /**\n     * Set or unset the playsinline attribute.\n     * Playsinline tells the browser that non-fullscreen playback is preferred.\n     *\n     * @param {boolean} [value]\n     *        - true means that we should try to play inline by default\n     *        - false means that we should use the browser's default playback mode,\n     *          which in most cases is inline. iOS Safari is a notable exception\n     *          and plays fullscreen by default.\n     *\n     * @return {string|Player}\n     *         - the current value of playsinline\n     *         - the player when setting\n     *\n     * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}\n     */\n    ;\n\n    _proto.playsinline = function playsinline(value) {\n      if (value !== undefined) {\n        this.techCall_('setPlaysinline', value);\n        this.options_.playsinline = value;\n        return this;\n      }\n\n      return this.techGet_('playsinline');\n    }\n    /**\n     * Get or set the loop attribute on the video element.\n     *\n     * @param {boolean} [value]\n     *        - true means that we should loop the video\n     *        - false means that we should not loop the video\n     *\n     * @return {boolean}\n     *         The current value of loop when getting\n     */\n    ;\n\n    _proto.loop = function loop(value) {\n      if (value !== undefined) {\n        this.techCall_('setLoop', value);\n        this.options_.loop = value;\n        return;\n      }\n\n      return this.techGet_('loop');\n    }\n    /**\n     * Get or set the poster image source url\n     *\n     * @fires Player#posterchange\n     *\n     * @param {string} [src]\n     *        Poster image source URL\n     *\n     * @return {string}\n     *         The current value of poster when getting\n     */\n    ;\n\n    _proto.poster = function poster(src) {\n      if (src === undefined) {\n        return this.poster_;\n      } // The correct way to remove a poster is to set as an empty string\n      // other falsey values will throw errors\n\n\n      if (!src) {\n        src = '';\n      }\n\n      if (src === this.poster_) {\n        return;\n      } // update the internal poster variable\n\n\n      this.poster_ = src; // update the tech's poster\n\n      this.techCall_('setPoster', src);\n      this.isPosterFromTech_ = false; // alert components that the poster has been set\n\n      /**\n       * This event fires when the poster image is changed on the player.\n       *\n       * @event Player#posterchange\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('posterchange');\n    }\n    /**\n     * Some techs (e.g. YouTube) can provide a poster source in an\n     * asynchronous way. We want the poster component to use this\n     * poster source so that it covers up the tech's controls.\n     * (YouTube's play button). However we only want to use this\n     * source if the player user hasn't set a poster through\n     * the normal APIs.\n     *\n     * @fires Player#posterchange\n     * @listens Tech#posterchange\n     * @private\n     */\n    ;\n\n    _proto.handleTechPosterChange_ = function handleTechPosterChange_() {\n      if ((!this.poster_ || this.options_.techCanOverridePoster) && this.tech_ && this.tech_.poster) {\n        var newPoster = this.tech_.poster() || '';\n\n        if (newPoster !== this.poster_) {\n          this.poster_ = newPoster;\n          this.isPosterFromTech_ = true; // Let components know the poster has changed\n\n          this.trigger('posterchange');\n        }\n      }\n    }\n    /**\n     * Get or set whether or not the controls are showing.\n     *\n     * @fires Player#controlsenabled\n     *\n     * @param {boolean} [bool]\n     *        - true to turn controls on\n     *        - false to turn controls off\n     *\n     * @return {boolean}\n     *         The current value of controls when getting\n     */\n    ;\n\n    _proto.controls = function controls(bool) {\n      if (bool === undefined) {\n        return !!this.controls_;\n      }\n\n      bool = !!bool; // Don't trigger a change event unless it actually changed\n\n      if (this.controls_ === bool) {\n        return;\n      }\n\n      this.controls_ = bool;\n\n      if (this.usingNativeControls()) {\n        this.techCall_('setControls', bool);\n      }\n\n      if (this.controls_) {\n        this.removeClass('vjs-controls-disabled');\n        this.addClass('vjs-controls-enabled');\n        /**\n         * @event Player#controlsenabled\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('controlsenabled');\n\n        if (!this.usingNativeControls()) {\n          this.addTechControlsListeners_();\n        }\n      } else {\n        this.removeClass('vjs-controls-enabled');\n        this.addClass('vjs-controls-disabled');\n        /**\n         * @event Player#controlsdisabled\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('controlsdisabled');\n\n        if (!this.usingNativeControls()) {\n          this.removeTechControlsListeners_();\n        }\n      }\n    }\n    /**\n     * Toggle native controls on/off. Native controls are the controls built into\n     * devices (e.g. default iPhone controls), Flash, or other techs\n     * (e.g. Vimeo Controls)\n     * **This should only be set by the current tech, because only the tech knows\n     * if it can support native controls**\n     *\n     * @fires Player#usingnativecontrols\n     * @fires Player#usingcustomcontrols\n     *\n     * @param {boolean} [bool]\n     *        - true to turn native controls on\n     *        - false to turn native controls off\n     *\n     * @return {boolean}\n     *         The current value of native controls when getting\n     */\n    ;\n\n    _proto.usingNativeControls = function usingNativeControls(bool) {\n      if (bool === undefined) {\n        return !!this.usingNativeControls_;\n      }\n\n      bool = !!bool; // Don't trigger a change event unless it actually changed\n\n      if (this.usingNativeControls_ === bool) {\n        return;\n      }\n\n      this.usingNativeControls_ = bool;\n\n      if (this.usingNativeControls_) {\n        this.addClass('vjs-using-native-controls');\n        /**\n         * player is using the native device controls\n         *\n         * @event Player#usingnativecontrols\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('usingnativecontrols');\n      } else {\n        this.removeClass('vjs-using-native-controls');\n        /**\n         * player is using the custom HTML controls\n         *\n         * @event Player#usingcustomcontrols\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('usingcustomcontrols');\n      }\n    }\n    /**\n     * Set or get the current MediaError\n     *\n     * @fires Player#error\n     *\n     * @param  {MediaError|string|number} [err]\n     *         A MediaError or a string/number to be turned\n     *         into a MediaError\n     *\n     * @return {MediaError|null}\n     *         The current MediaError when getting (or null)\n     */\n    ;\n\n    _proto.error = function error(err) {\n      if (err === undefined) {\n        return this.error_ || null;\n      } // Suppress the first error message for no compatible source until\n      // user interaction\n\n\n      if (this.options_.suppressNotSupportedError && err && err.code === 4) {\n        var triggerSuppressedError = function triggerSuppressedError() {\n          this.error(err);\n        };\n\n        this.options_.suppressNotSupportedError = false;\n        this.any(['click', 'touchstart'], triggerSuppressedError);\n        this.one('loadstart', function () {\n          this.off(['click', 'touchstart'], triggerSuppressedError);\n        });\n        return;\n      } // restoring to default\n\n\n      if (err === null) {\n        this.error_ = err;\n        this.removeClass('vjs-error');\n\n        if (this.errorDisplay) {\n          this.errorDisplay.close();\n        }\n\n        return;\n      }\n\n      this.error_ = new MediaError(err); // add the vjs-error classname to the player\n\n      this.addClass('vjs-error'); // log the name of the error type and any message\n      // IE11 logs \"[object object]\" and required you to expand message to see error object\n\n      log.error(\"(CODE:\" + this.error_.code + \" \" + MediaError.errorTypes[this.error_.code] + \")\", this.error_.message, this.error_);\n      /**\n       * @event Player#error\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('error');\n      return;\n    }\n    /**\n     * Report user activity\n     *\n     * @param {Object} event\n     *        Event object\n     */\n    ;\n\n    _proto.reportUserActivity = function reportUserActivity(event) {\n      this.userActivity_ = true;\n    }\n    /**\n     * Get/set if user is active\n     *\n     * @fires Player#useractive\n     * @fires Player#userinactive\n     *\n     * @param {boolean} [bool]\n     *        - true if the user is active\n     *        - false if the user is inactive\n     *\n     * @return {boolean}\n     *         The current value of userActive when getting\n     */\n    ;\n\n    _proto.userActive = function userActive(bool) {\n      if (bool === undefined) {\n        return this.userActive_;\n      }\n\n      bool = !!bool;\n\n      if (bool === this.userActive_) {\n        return;\n      }\n\n      this.userActive_ = bool;\n\n      if (this.userActive_) {\n        this.userActivity_ = true;\n        this.removeClass('vjs-user-inactive');\n        this.addClass('vjs-user-active');\n        /**\n         * @event Player#useractive\n         * @type {EventTarget~Event}\n         */\n\n        this.trigger('useractive');\n        return;\n      } // Chrome/Safari/IE have bugs where when you change the cursor it can\n      // trigger a mousemove event. This causes an issue when you're hiding\n      // the cursor when the user is inactive, and a mousemove signals user\n      // activity. Making it impossible to go into inactive mode. Specifically\n      // this happens in fullscreen when we really need to hide the cursor.\n      //\n      // When this gets resolved in ALL browsers it can be removed\n      // https://code.google.com/p/chromium/issues/detail?id=103041\n\n\n      if (this.tech_) {\n        this.tech_.one('mousemove', function (e) {\n          e.stopPropagation();\n          e.preventDefault();\n        });\n      }\n\n      this.userActivity_ = false;\n      this.removeClass('vjs-user-active');\n      this.addClass('vjs-user-inactive');\n      /**\n       * @event Player#userinactive\n       * @type {EventTarget~Event}\n       */\n\n      this.trigger('userinactive');\n    }\n    /**\n     * Listen for user activity based on timeout value\n     *\n     * @private\n     */\n    ;\n\n    _proto.listenForUserActivity_ = function listenForUserActivity_() {\n      var mouseInProgress;\n      var lastMoveX;\n      var lastMoveY;\n      var handleActivity = bind(this, this.reportUserActivity);\n\n      var handleMouseMove = function handleMouseMove(e) {\n        // #1068 - Prevent mousemove spamming\n        // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970\n        if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {\n          lastMoveX = e.screenX;\n          lastMoveY = e.screenY;\n          handleActivity();\n        }\n      };\n\n      var handleMouseDown = function handleMouseDown() {\n        handleActivity(); // For as long as the they are touching the device or have their mouse down,\n        // we consider them active even if they're not moving their finger or mouse.\n        // So we want to continue to update that they are active\n\n        this.clearInterval(mouseInProgress); // Setting userActivity=true now and setting the interval to the same time\n        // as the activityCheck interval (250) should ensure we never miss the\n        // next activityCheck\n\n        mouseInProgress = this.setInterval(handleActivity, 250);\n      };\n\n      var handleMouseUpAndMouseLeave = function handleMouseUpAndMouseLeave(event) {\n        handleActivity(); // Stop the interval that maintains activity if the mouse/touch is down\n\n        this.clearInterval(mouseInProgress);\n      }; // Any mouse movement will be considered user activity\n\n\n      this.on('mousedown', handleMouseDown);\n      this.on('mousemove', handleMouseMove);\n      this.on('mouseup', handleMouseUpAndMouseLeave);\n      this.on('mouseleave', handleMouseUpAndMouseLeave);\n      var controlBar = this.getChild('controlBar'); // Fixes bug on Android & iOS where when tapping progressBar (when control bar is displayed)\n      // controlBar would no longer be hidden by default timeout.\n\n      if (controlBar && !IS_IOS && !IS_ANDROID) {\n        controlBar.on('mouseenter', function (event) {\n          this.player().cache_.inactivityTimeout = this.player().options_.inactivityTimeout;\n          this.player().options_.inactivityTimeout = 0;\n        });\n        controlBar.on('mouseleave', function (event) {\n          this.player().options_.inactivityTimeout = this.player().cache_.inactivityTimeout;\n        });\n      } // Listen for keyboard navigation\n      // Shouldn't need to use inProgress interval because of key repeat\n\n\n      this.on('keydown', handleActivity);\n      this.on('keyup', handleActivity); // Run an interval every 250 milliseconds instead of stuffing everything into\n      // the mousemove/touchmove function itself, to prevent performance degradation.\n      // `this.reportUserActivity` simply sets this.userActivity_ to true, which\n      // then gets picked up by this loop\n      // http://ejohn.org/blog/learning-from-twitter/\n\n      var inactivityTimeout;\n      this.setInterval(function () {\n        // Check to see if mouse/touch activity has happened\n        if (!this.userActivity_) {\n          return;\n        } // Reset the activity tracker\n\n\n        this.userActivity_ = false; // If the user state was inactive, set the state to active\n\n        this.userActive(true); // Clear any existing inactivity timeout to start the timer over\n\n        this.clearTimeout(inactivityTimeout);\n        var timeout = this.options_.inactivityTimeout;\n\n        if (timeout <= 0) {\n          return;\n        } // In <timeout> milliseconds, if no more activity has occurred the\n        // user will be considered inactive\n\n\n        inactivityTimeout = this.setTimeout(function () {\n          // Protect against the case where the inactivityTimeout can trigger just\n          // before the next user activity is picked up by the activity check loop\n          // causing a flicker\n          if (!this.userActivity_) {\n            this.userActive(false);\n          }\n        }, timeout);\n      }, 250);\n    }\n    /**\n     * Gets or sets the current playback rate. A playback rate of\n     * 1.0 represents normal speed and 0.5 would indicate half-speed\n     * playback, for instance.\n     *\n     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate\n     *\n     * @param {number} [rate]\n     *       New playback rate to set.\n     *\n     * @return {number}\n     *         The current playback rate when getting or 1.0\n     */\n    ;\n\n    _proto.playbackRate = function playbackRate(rate) {\n      if (rate !== undefined) {\n        // NOTE: this.cache_.lastPlaybackRate is set from the tech handler\n        // that is registered above\n        this.techCall_('setPlaybackRate', rate);\n        return;\n      }\n\n      if (this.tech_ && this.tech_.featuresPlaybackRate) {\n        return this.cache_.lastPlaybackRate || this.techGet_('playbackRate');\n      }\n\n      return 1.0;\n    }\n    /**\n     * Gets or sets the current default playback rate. A default playback rate of\n     * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.\n     * defaultPlaybackRate will only represent what the initial playbackRate of a video was, not\n     * not the current playbackRate.\n     *\n     * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate\n     *\n     * @param {number} [rate]\n     *       New default playback rate to set.\n     *\n     * @return {number|Player}\n     *         - The default playback rate when getting or 1.0\n     *         - the player when setting\n     */\n    ;\n\n    _proto.defaultPlaybackRate = function defaultPlaybackRate(rate) {\n      if (rate !== undefined) {\n        return this.techCall_('setDefaultPlaybackRate', rate);\n      }\n\n      if (this.tech_ && this.tech_.featuresPlaybackRate) {\n        return this.techGet_('defaultPlaybackRate');\n      }\n\n      return 1.0;\n    }\n    /**\n     * Gets or sets the audio flag\n     *\n     * @param {boolean} bool\n     *        - true signals that this is an audio player\n     *        - false signals that this is not an audio player\n     *\n     * @return {boolean}\n     *         The current value of isAudio when getting\n     */\n    ;\n\n    _proto.isAudio = function isAudio(bool) {\n      if (bool !== undefined) {\n        this.isAudio_ = !!bool;\n        return;\n      }\n\n      return !!this.isAudio_;\n    }\n    /**\n     * A helper method for adding a {@link TextTrack} to our\n     * {@link TextTrackList}.\n     *\n     * In addition to the W3C settings we allow adding additional info through options.\n     *\n     * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack\n     *\n     * @param {string} [kind]\n     *        the kind of TextTrack you are adding\n     *\n     * @param {string} [label]\n     *        the label to give the TextTrack label\n     *\n     * @param {string} [language]\n     *        the language to set on the TextTrack\n     *\n     * @return {TextTrack|undefined}\n     *         the TextTrack that was added or undefined\n     *         if there is no tech\n     */\n    ;\n\n    _proto.addTextTrack = function addTextTrack(kind, label, language) {\n      if (this.tech_) {\n        return this.tech_.addTextTrack(kind, label, language);\n      }\n    }\n    /**\n     * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}.\n     * When manualCleanup is set to false, the track will be automatically removed\n     * on source changes.\n     *\n     * @param {Object} options\n     *        Options to pass to {@link HTMLTrackElement} during creation. See\n     *        {@link HTMLTrackElement} for object properties that you should use.\n     *\n     * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be\n     *                                       removed on a source change\n     *\n     * @return {HtmlTrackElement}\n     *         the HTMLTrackElement that was created and added\n     *         to the HtmlTrackElementList and the remote\n     *         TextTrackList\n     *\n     * @deprecated The default value of the \"manualCleanup\" parameter will default\n     *             to \"false\" in upcoming versions of Video.js\n     */\n    ;\n\n    _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {\n      if (this.tech_) {\n        return this.tech_.addRemoteTextTrack(options, manualCleanup);\n      }\n    }\n    /**\n     * Remove a remote {@link TextTrack} from the respective\n     * {@link TextTrackList} and {@link HtmlTrackElementList}.\n     *\n     * @param {Object} track\n     *        Remote {@link TextTrack} to remove\n     *\n     * @return {undefined}\n     *         does not return anything\n     */\n    ;\n\n    _proto.removeRemoteTextTrack = function removeRemoteTextTrack(obj) {\n      if (obj === void 0) {\n        obj = {};\n      }\n\n      var _obj = obj,\n          track = _obj.track;\n\n      if (!track) {\n        track = obj;\n      } // destructure the input into an object with a track argument, defaulting to arguments[0]\n      // default the whole argument to an empty object if nothing was passed in\n\n\n      if (this.tech_) {\n        return this.tech_.removeRemoteTextTrack(track);\n      }\n    }\n    /**\n     * Gets available media playback quality metrics as specified by the W3C's Media\n     * Playback Quality API.\n     *\n     * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n     *\n     * @return {Object|undefined}\n     *         An object with supported media playback quality metrics or undefined if there\n     *         is no tech or the tech does not support it.\n     */\n    ;\n\n    _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n      return this.techGet_('getVideoPlaybackQuality');\n    }\n    /**\n     * Get video width\n     *\n     * @return {number}\n     *         current video width\n     */\n    ;\n\n    _proto.videoWidth = function videoWidth() {\n      return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;\n    }\n    /**\n     * Get video height\n     *\n     * @return {number}\n     *         current video height\n     */\n    ;\n\n    _proto.videoHeight = function videoHeight() {\n      return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;\n    }\n    /**\n     * The player's language code\n     * NOTE: The language should be set in the player options if you want the\n     * the controls to be built with a specific language. Changing the language\n     * later will not update controls text.\n     *\n     * @param {string} [code]\n     *        the language code to set the player to\n     *\n     * @return {string}\n     *         The current language code when getting\n     */\n    ;\n\n    _proto.language = function language(code) {\n      if (code === undefined) {\n        return this.language_;\n      }\n\n      this.language_ = String(code).toLowerCase();\n    }\n    /**\n     * Get the player's language dictionary\n     * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time\n     * Languages specified directly in the player options have precedence\n     *\n     * @return {Array}\n     *         An array of of supported languages\n     */\n    ;\n\n    _proto.languages = function languages() {\n      return mergeOptions(Player.prototype.options_.languages, this.languages_);\n    }\n    /**\n     * returns a JavaScript object reperesenting the current track\n     * information. **DOES not return it as JSON**\n     *\n     * @return {Object}\n     *         Object representing the current of track info\n     */\n    ;\n\n    _proto.toJSON = function toJSON() {\n      var options = mergeOptions(this.options_);\n      var tracks = options.tracks;\n      options.tracks = [];\n\n      for (var i = 0; i < tracks.length; i++) {\n        var track = tracks[i]; // deep merge tracks and null out player so no circular references\n\n        track = mergeOptions(track);\n        track.player = undefined;\n        options.tracks[i] = track;\n      }\n\n      return options;\n    }\n    /**\n     * Creates a simple modal dialog (an instance of the {@link ModalDialog}\n     * component) that immediately overlays the player with arbitrary\n     * content and removes itself when closed.\n     *\n     * @param {string|Function|Element|Array|null} content\n     *        Same as {@link ModalDialog#content}'s param of the same name.\n     *        The most straight-forward usage is to provide a string or DOM\n     *        element.\n     *\n     * @param {Object} [options]\n     *        Extra options which will be passed on to the {@link ModalDialog}.\n     *\n     * @return {ModalDialog}\n     *         the {@link ModalDialog} that was created\n     */\n    ;\n\n    _proto.createModal = function createModal(content, options) {\n      var _this16 = this;\n\n      options = options || {};\n      options.content = content || '';\n      var modal = new ModalDialog(this, options);\n      this.addChild(modal);\n      modal.on('dispose', function () {\n        _this16.removeChild(modal);\n      });\n      modal.open();\n      return modal;\n    }\n    /**\n     * Change breakpoint classes when the player resizes.\n     *\n     * @private\n     */\n    ;\n\n    _proto.updateCurrentBreakpoint_ = function updateCurrentBreakpoint_() {\n      if (!this.responsive()) {\n        return;\n      }\n\n      var currentBreakpoint = this.currentBreakpoint();\n      var currentWidth = this.currentWidth();\n\n      for (var i = 0; i < BREAKPOINT_ORDER.length; i++) {\n        var candidateBreakpoint = BREAKPOINT_ORDER[i];\n        var maxWidth = this.breakpoints_[candidateBreakpoint];\n\n        if (currentWidth <= maxWidth) {\n          // The current breakpoint did not change, nothing to do.\n          if (currentBreakpoint === candidateBreakpoint) {\n            return;\n          } // Only remove a class if there is a current breakpoint.\n\n\n          if (currentBreakpoint) {\n            this.removeClass(BREAKPOINT_CLASSES[currentBreakpoint]);\n          }\n\n          this.addClass(BREAKPOINT_CLASSES[candidateBreakpoint]);\n          this.breakpoint_ = candidateBreakpoint;\n          break;\n        }\n      }\n    }\n    /**\n     * Removes the current breakpoint.\n     *\n     * @private\n     */\n    ;\n\n    _proto.removeCurrentBreakpoint_ = function removeCurrentBreakpoint_() {\n      var className = this.currentBreakpointClass();\n      this.breakpoint_ = '';\n\n      if (className) {\n        this.removeClass(className);\n      }\n    }\n    /**\n     * Get or set breakpoints on the player.\n     *\n     * Calling this method with an object or `true` will remove any previous\n     * custom breakpoints and start from the defaults again.\n     *\n     * @param  {Object|boolean} [breakpoints]\n     *         If an object is given, it can be used to provide custom\n     *         breakpoints. If `true` is given, will set default breakpoints.\n     *         If this argument is not given, will simply return the current\n     *         breakpoints.\n     *\n     * @param  {number} [breakpoints.tiny]\n     *         The maximum width for the \"vjs-layout-tiny\" class.\n     *\n     * @param  {number} [breakpoints.xsmall]\n     *         The maximum width for the \"vjs-layout-x-small\" class.\n     *\n     * @param  {number} [breakpoints.small]\n     *         The maximum width for the \"vjs-layout-small\" class.\n     *\n     * @param  {number} [breakpoints.medium]\n     *         The maximum width for the \"vjs-layout-medium\" class.\n     *\n     * @param  {number} [breakpoints.large]\n     *         The maximum width for the \"vjs-layout-large\" class.\n     *\n     * @param  {number} [breakpoints.xlarge]\n     *         The maximum width for the \"vjs-layout-x-large\" class.\n     *\n     * @param  {number} [breakpoints.huge]\n     *         The maximum width for the \"vjs-layout-huge\" class.\n     *\n     * @return {Object}\n     *         An object mapping breakpoint names to maximum width values.\n     */\n    ;\n\n    _proto.breakpoints = function breakpoints(_breakpoints) {\n      // Used as a getter.\n      if (_breakpoints === undefined) {\n        return assign(this.breakpoints_);\n      }\n\n      this.breakpoint_ = '';\n      this.breakpoints_ = assign({}, DEFAULT_BREAKPOINTS, _breakpoints); // When breakpoint definitions change, we need to update the currently\n      // selected breakpoint.\n\n      this.updateCurrentBreakpoint_(); // Clone the breakpoints before returning.\n\n      return assign(this.breakpoints_);\n    }\n    /**\n     * Get or set a flag indicating whether or not this player should adjust\n     * its UI based on its dimensions.\n     *\n     * @param  {boolean} value\n     *         Should be `true` if the player should adjust its UI based on its\n     *         dimensions; otherwise, should be `false`.\n     *\n     * @return {boolean}\n     *         Will be `true` if this player should adjust its UI based on its\n     *         dimensions; otherwise, will be `false`.\n     */\n    ;\n\n    _proto.responsive = function responsive(value) {\n      // Used as a getter.\n      if (value === undefined) {\n        return this.responsive_;\n      }\n\n      value = Boolean(value);\n      var current = this.responsive_; // Nothing changed.\n\n      if (value === current) {\n        return;\n      } // The value actually changed, set it.\n\n\n      this.responsive_ = value; // Start listening for breakpoints and set the initial breakpoint if the\n      // player is now responsive.\n\n      if (value) {\n        this.on('playerresize', this.updateCurrentBreakpoint_);\n        this.updateCurrentBreakpoint_(); // Stop listening for breakpoints if the player is no longer responsive.\n      } else {\n        this.off('playerresize', this.updateCurrentBreakpoint_);\n        this.removeCurrentBreakpoint_();\n      }\n\n      return value;\n    }\n    /**\n     * Get current breakpoint name, if any.\n     *\n     * @return {string}\n     *         If there is currently a breakpoint set, returns a the key from the\n     *         breakpoints object matching it. Otherwise, returns an empty string.\n     */\n    ;\n\n    _proto.currentBreakpoint = function currentBreakpoint() {\n      return this.breakpoint_;\n    }\n    /**\n     * Get the current breakpoint class name.\n     *\n     * @return {string}\n     *         The matching class name (e.g. `\"vjs-layout-tiny\"` or\n     *         `\"vjs-layout-large\"`) for the current breakpoint. Empty string if\n     *         there is no current breakpoint.\n     */\n    ;\n\n    _proto.currentBreakpointClass = function currentBreakpointClass() {\n      return BREAKPOINT_CLASSES[this.breakpoint_] || '';\n    }\n    /**\n     * An object that describes a single piece of media.\n     *\n     * Properties that are not part of this type description will be retained; so,\n     * this can be viewed as a generic metadata storage mechanism as well.\n     *\n     * @see      {@link https://wicg.github.io/mediasession/#the-mediametadata-interface}\n     * @typedef  {Object} Player~MediaObject\n     *\n     * @property {string} [album]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {string} [artist]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {Object[]} [artwork]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API. If not specified, will be populated via the `poster`, if\n     *           available.\n     *\n     * @property {string} [poster]\n     *           URL to an image that will display before playback.\n     *\n     * @property {Tech~SourceObject|Tech~SourceObject[]|string} [src]\n     *           A single source object, an array of source objects, or a string\n     *           referencing a URL to a media source. It is _highly recommended_\n     *           that an object or array of objects is used here, so that source\n     *           selection algorithms can take the `type` into account.\n     *\n     * @property {string} [title]\n     *           Unused, except if this object is passed to the `MediaSession`\n     *           API.\n     *\n     * @property {Object[]} [textTracks]\n     *           An array of objects to be used to create text tracks, following\n     *           the {@link https://www.w3.org/TR/html50/embedded-content-0.html#the-track-element|native track element format}.\n     *           For ease of removal, these will be created as \"remote\" text\n     *           tracks and set to automatically clean up on source changes.\n     *\n     *           These objects may have properties like `src`, `kind`, `label`,\n     *           and `language`, see {@link Tech#createRemoteTextTrack}.\n     */\n\n    /**\n     * Populate the player using a {@link Player~MediaObject|MediaObject}.\n     *\n     * @param  {Player~MediaObject} media\n     *         A media object.\n     *\n     * @param  {Function} ready\n     *         A callback to be called when the player is ready.\n     */\n    ;\n\n    _proto.loadMedia = function loadMedia(media, ready) {\n      var _this17 = this;\n\n      if (!media || typeof media !== 'object') {\n        return;\n      }\n\n      this.reset(); // Clone the media object so it cannot be mutated from outside.\n\n      this.cache_.media = mergeOptions(media);\n      var _this$cache_$media = this.cache_.media,\n          artwork = _this$cache_$media.artwork,\n          poster = _this$cache_$media.poster,\n          src = _this$cache_$media.src,\n          textTracks = _this$cache_$media.textTracks; // If `artwork` is not given, create it using `poster`.\n\n      if (!artwork && poster) {\n        this.cache_.media.artwork = [{\n          src: poster,\n          type: getMimetype(poster)\n        }];\n      }\n\n      if (src) {\n        this.src(src);\n      }\n\n      if (poster) {\n        this.poster(poster);\n      }\n\n      if (Array.isArray(textTracks)) {\n        textTracks.forEach(function (tt) {\n          return _this17.addRemoteTextTrack(tt, false);\n        });\n      }\n\n      this.ready(ready);\n    }\n    /**\n     * Get a clone of the current {@link Player~MediaObject} for this player.\n     *\n     * If the `loadMedia` method has not been used, will attempt to return a\n     * {@link Player~MediaObject} based on the current state of the player.\n     *\n     * @return {Player~MediaObject}\n     */\n    ;\n\n    _proto.getMedia = function getMedia() {\n      if (!this.cache_.media) {\n        var poster = this.poster();\n        var src = this.currentSources();\n        var textTracks = Array.prototype.map.call(this.remoteTextTracks(), function (tt) {\n          return {\n            kind: tt.kind,\n            label: tt.label,\n            language: tt.language,\n            src: tt.src\n          };\n        });\n        var media = {\n          src: src,\n          textTracks: textTracks\n        };\n\n        if (poster) {\n          media.poster = poster;\n          media.artwork = [{\n            src: media.poster,\n            type: getMimetype(media.poster)\n          }];\n        }\n\n        return media;\n      }\n\n      return mergeOptions(this.cache_.media);\n    }\n    /**\n     * Gets tag settings\n     *\n     * @param {Element} tag\n     *        The player tag\n     *\n     * @return {Object}\n     *         An object containing all of the settings\n     *         for a player tag\n     */\n    ;\n\n    Player.getTagSettings = function getTagSettings(tag) {\n      var baseOptions = {\n        sources: [],\n        tracks: []\n      };\n      var tagOptions = getAttributes(tag);\n      var dataSetup = tagOptions['data-setup'];\n\n      if (hasClass(tag, 'vjs-fill')) {\n        tagOptions.fill = true;\n      }\n\n      if (hasClass(tag, 'vjs-fluid')) {\n        tagOptions.fluid = true;\n      } // Check if data-setup attr exists.\n\n\n      if (dataSetup !== null) {\n        // Parse options JSON\n        // If empty string, make it a parsable json object.\n        var _safeParseTuple = tuple(dataSetup || '{}'),\n            err = _safeParseTuple[0],\n            data = _safeParseTuple[1];\n\n        if (err) {\n          log.error(err);\n        }\n\n        assign(tagOptions, data);\n      }\n\n      assign(baseOptions, tagOptions); // Get tag children settings\n\n      if (tag.hasChildNodes()) {\n        var children = tag.childNodes;\n\n        for (var i = 0, j = children.length; i < j; i++) {\n          var child = children[i]; // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/\n\n          var childName = child.nodeName.toLowerCase();\n\n          if (childName === 'source') {\n            baseOptions.sources.push(getAttributes(child));\n          } else if (childName === 'track') {\n            baseOptions.tracks.push(getAttributes(child));\n          }\n        }\n      }\n\n      return baseOptions;\n    }\n    /**\n     * Determine whether or not flexbox is supported\n     *\n     * @return {boolean}\n     *         - true if flexbox is supported\n     *         - false if flexbox is not supported\n     */\n    ;\n\n    _proto.flexNotSupported_ = function flexNotSupported_() {\n      var elem = document.createElement('i'); // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more\n      // common flex features that we can rely on when checking for flex support.\n\n      return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style || // IE10-specific (2012 flex spec), available for completeness\n      'msFlexOrder' in elem.style);\n    };\n\n    return Player;\n  }(Component);\n  /**\n   * Get the {@link VideoTrackList}\n   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist\n   *\n   * @return {VideoTrackList}\n   *         the current video track list\n   *\n   * @method Player.prototype.videoTracks\n   */\n\n  /**\n   * Get the {@link AudioTrackList}\n   * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist\n   *\n   * @return {AudioTrackList}\n   *         the current audio track list\n   *\n   * @method Player.prototype.audioTracks\n   */\n\n  /**\n   * Get the {@link TextTrackList}\n   *\n   * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks\n   *\n   * @return {TextTrackList}\n   *         the current text track list\n   *\n   * @method Player.prototype.textTracks\n   */\n\n  /**\n   * Get the remote {@link TextTrackList}\n   *\n   * @return {TextTrackList}\n   *         The current remote text track list\n   *\n   * @method Player.prototype.remoteTextTracks\n   */\n\n  /**\n   * Get the remote {@link HtmlTrackElementList} tracks.\n   *\n   * @return {HtmlTrackElementList}\n   *         The current remote text track element list\n   *\n   * @method Player.prototype.remoteTextTrackEls\n   */\n\n\n  ALL.names.forEach(function (name) {\n    var props = ALL[name];\n\n    Player.prototype[props.getterName] = function () {\n      if (this.tech_) {\n        return this.tech_[props.getterName]();\n      } // if we have not yet loadTech_, we create {video,audio,text}Tracks_\n      // these will be passed to the tech during loading\n\n\n      this[props.privateName] = this[props.privateName] || new props.ListClass();\n      return this[props.privateName];\n    };\n  });\n  /**\n   * Global enumeration of players.\n   *\n   * The keys are the player IDs and the values are either the {@link Player}\n   * instance or `null` for disposed players.\n   *\n   * @type {Object}\n   */\n\n  Player.players = {};\n  var navigator = window$3.navigator;\n  /*\n   * Player instance options, surfaced using options\n   * options = Player.prototype.options_\n   * Make changes in options, not here.\n   *\n   * @type {Object}\n   * @private\n   */\n\n  Player.prototype.options_ = {\n    // Default order of fallback technology\n    techOrder: Tech.defaultTechOrder_,\n    html5: {},\n    flash: {},\n    // default inactivity timeout\n    inactivityTimeout: 2000,\n    // default playback rates\n    playbackRates: [],\n    // Add playback rate selection by adding rates\n    // 'playbackRates': [0.5, 1, 1.5, 2],\n    liveui: false,\n    // Included control sets\n    children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'liveTracker', 'controlBar', 'errorDisplay', 'textTrackSettings', 'resizeManager'],\n    language: navigator && (navigator.languages && navigator.languages[0] || navigator.userLanguage || navigator.language) || 'en',\n    // locales and their language translations\n    languages: {},\n    // Default message to show when a video cannot be played.\n    notSupportedMessage: 'No compatible source was found for this media.',\n    fullscreen: {\n      options: {\n        navigationUI: 'hide'\n      }\n    },\n    breakpoints: {},\n    responsive: false\n  };\n  [\n  /**\n   * Returns whether or not the player is in the \"ended\" state.\n   *\n   * @return {Boolean} True if the player is in the ended state, false if not.\n   * @method Player#ended\n   */\n  'ended',\n  /**\n   * Returns whether or not the player is in the \"seeking\" state.\n   *\n   * @return {Boolean} True if the player is in the seeking state, false if not.\n   * @method Player#seeking\n   */\n  'seeking',\n  /**\n   * Returns the TimeRanges of the media that are currently available\n   * for seeking to.\n   *\n   * @return {TimeRanges} the seekable intervals of the media timeline\n   * @method Player#seekable\n   */\n  'seekable',\n  /**\n   * Returns the current state of network activity for the element, from\n   * the codes in the list below.\n   * - NETWORK_EMPTY (numeric value 0)\n   *   The element has not yet been initialised. All attributes are in\n   *   their initial states.\n   * - NETWORK_IDLE (numeric value 1)\n   *   The element's resource selection algorithm is active and has\n   *   selected a resource, but it is not actually using the network at\n   *   this time.\n   * - NETWORK_LOADING (numeric value 2)\n   *   The user agent is actively trying to download data.\n   * - NETWORK_NO_SOURCE (numeric value 3)\n   *   The element's resource selection algorithm is active, but it has\n   *   not yet found a resource to use.\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states\n   * @return {number} the current network activity state\n   * @method Player#networkState\n   */\n  'networkState',\n  /**\n   * Returns a value that expresses the current state of the element\n   * with respect to rendering the current playback position, from the\n   * codes in the list below.\n   * - HAVE_NOTHING (numeric value 0)\n   *   No information regarding the media resource is available.\n   * - HAVE_METADATA (numeric value 1)\n   *   Enough of the resource has been obtained that the duration of the\n   *   resource is available.\n   * - HAVE_CURRENT_DATA (numeric value 2)\n   *   Data for the immediate current playback position is available.\n   * - HAVE_FUTURE_DATA (numeric value 3)\n   *   Data for the immediate current playback position is available, as\n   *   well as enough data for the user agent to advance the current\n   *   playback position in the direction of playback.\n   * - HAVE_ENOUGH_DATA (numeric value 4)\n   *   The user agent estimates that enough data is available for\n   *   playback to proceed uninterrupted.\n   *\n   * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate\n   * @return {number} the current playback rendering state\n   * @method Player#readyState\n   */\n  'readyState'].forEach(function (fn) {\n    Player.prototype[fn] = function () {\n      return this.techGet_(fn);\n    };\n  });\n  TECH_EVENTS_RETRIGGER.forEach(function (event) {\n    Player.prototype[\"handleTech\" + toTitleCase(event) + \"_\"] = function () {\n      return this.trigger(event);\n    };\n  });\n  /**\n   * Fired when the player has initial duration and dimension information\n   *\n   * @event Player#loadedmetadata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the player has downloaded data at the current playback position\n   *\n   * @event Player#loadeddata\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the current playback position has changed *\n   * During playback this is fired every 15-250 milliseconds, depending on the\n   * playback technology in use.\n   *\n   * @event Player#timeupdate\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Fired when the volume changes\n   *\n   * @event Player#volumechange\n   * @type {EventTarget~Event}\n   */\n\n  /**\n   * Reports whether or not a player has a plugin available.\n   *\n   * This does not report whether or not the plugin has ever been initialized\n   * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.\n   *\n   * @method Player#hasPlugin\n   * @param  {string}  name\n   *         The name of a plugin.\n   *\n   * @return {boolean}\n   *         Whether or not this player has the requested plugin available.\n   */\n\n  /**\n   * Reports whether or not a player is using a plugin by name.\n   *\n   * For basic plugins, this only reports whether the plugin has _ever_ been\n   * initialized on this player.\n   *\n   * @method Player#usingPlugin\n   * @param  {string} name\n   *         The name of a plugin.\n   *\n   * @return {boolean}\n   *         Whether or not this player is using the requested plugin.\n   */\n\n  Component.registerComponent('Player', Player);\n\n  var setPrototypeOf = createCommonjsModule(function (module) {\n    function _setPrototypeOf(o, p) {\n      module.exports = _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {\n        o.__proto__ = p;\n        return o;\n      };\n\n      return _setPrototypeOf(o, p);\n    }\n\n    module.exports = _setPrototypeOf;\n  });\n\n  function _isNativeReflectConstruct() {\n    if (typeof Reflect === \"undefined\" || !Reflect.construct) return false;\n    if (Reflect.construct.sham) return false;\n    if (typeof Proxy === \"function\") return true;\n\n    try {\n      Date.prototype.toString.call(Reflect.construct(Date, [], function () {}));\n      return true;\n    } catch (e) {\n      return false;\n    }\n  }\n\n  var isNativeReflectConstruct = _isNativeReflectConstruct;\n\n  var construct = createCommonjsModule(function (module) {\n    function _construct(Parent, args, Class) {\n      if (isNativeReflectConstruct()) {\n        module.exports = _construct = Reflect.construct;\n      } else {\n        module.exports = _construct = function _construct(Parent, args, Class) {\n          var a = [null];\n          a.push.apply(a, args);\n          var Constructor = Function.bind.apply(Parent, a);\n          var instance = new Constructor();\n          if (Class) setPrototypeOf(instance, Class.prototype);\n          return instance;\n        };\n      }\n\n      return _construct.apply(null, arguments);\n    }\n\n    module.exports = _construct;\n  });\n\n  /**\n   * The base plugin name.\n   *\n   * @private\n   * @constant\n   * @type {string}\n   */\n\n  var BASE_PLUGIN_NAME = 'plugin';\n  /**\n   * The key on which a player's active plugins cache is stored.\n   *\n   * @private\n   * @constant\n   * @type     {string}\n   */\n\n  var PLUGIN_CACHE_KEY = 'activePlugins_';\n  /**\n   * Stores registered plugins in a private space.\n   *\n   * @private\n   * @type    {Object}\n   */\n\n  var pluginStorage = {};\n  /**\n   * Reports whether or not a plugin has been registered.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of a plugin.\n   *\n   * @return {boolean}\n   *          Whether or not the plugin has been registered.\n   */\n\n  var pluginExists = function pluginExists(name) {\n    return pluginStorage.hasOwnProperty(name);\n  };\n  /**\n   * Get a single registered plugin by name.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of a plugin.\n   *\n   * @return {Function|undefined}\n   *          The plugin (or undefined).\n   */\n\n\n  var getPlugin = function getPlugin(name) {\n    return pluginExists(name) ? pluginStorage[name] : undefined;\n  };\n  /**\n   * Marks a plugin as \"active\" on a player.\n   *\n   * Also, ensures that the player has an object for tracking active plugins.\n   *\n   * @private\n   * @param   {Player} player\n   *          A Video.js player instance.\n   *\n   * @param   {string} name\n   *          The name of a plugin.\n   */\n\n\n  var markPluginAsActive = function markPluginAsActive(player, name) {\n    player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};\n    player[PLUGIN_CACHE_KEY][name] = true;\n  };\n  /**\n   * Triggers a pair of plugin setup events.\n   *\n   * @private\n   * @param  {Player} player\n   *         A Video.js player instance.\n   *\n   * @param  {Plugin~PluginEventHash} hash\n   *         A plugin event hash.\n   *\n   * @param  {boolean} [before]\n   *         If true, prefixes the event name with \"before\". In other words,\n   *         use this to trigger \"beforepluginsetup\" instead of \"pluginsetup\".\n   */\n\n\n  var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {\n    var eventName = (before ? 'before' : '') + 'pluginsetup';\n    player.trigger(eventName, hash);\n    player.trigger(eventName + ':' + hash.name, hash);\n  };\n  /**\n   * Takes a basic plugin function and returns a wrapper function which marks\n   * on the player that the plugin has been activated.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of the plugin.\n   *\n   * @param   {Function} plugin\n   *          The basic plugin.\n   *\n   * @return {Function}\n   *          A wrapper function for the given plugin.\n   */\n\n\n  var createBasicPlugin = function createBasicPlugin(name, plugin) {\n    var basicPluginWrapper = function basicPluginWrapper() {\n      // We trigger the \"beforepluginsetup\" and \"pluginsetup\" events on the player\n      // regardless, but we want the hash to be consistent with the hash provided\n      // for advanced plugins.\n      //\n      // The only potentially counter-intuitive thing here is the `instance` in\n      // the \"pluginsetup\" event is the value returned by the `plugin` function.\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: plugin,\n        instance: null\n      }, true);\n      var instance = plugin.apply(this, arguments);\n      markPluginAsActive(this, name);\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: plugin,\n        instance: instance\n      });\n      return instance;\n    };\n\n    Object.keys(plugin).forEach(function (prop) {\n      basicPluginWrapper[prop] = plugin[prop];\n    });\n    return basicPluginWrapper;\n  };\n  /**\n   * Takes a plugin sub-class and returns a factory function for generating\n   * instances of it.\n   *\n   * This factory function will replace itself with an instance of the requested\n   * sub-class of Plugin.\n   *\n   * @private\n   * @param   {string} name\n   *          The name of the plugin.\n   *\n   * @param   {Plugin} PluginSubClass\n   *          The advanced plugin.\n   *\n   * @return {Function}\n   */\n\n\n  var createPluginFactory = function createPluginFactory(name, PluginSubClass) {\n    // Add a `name` property to the plugin prototype so that each plugin can\n    // refer to itself by name.\n    PluginSubClass.prototype.name = name;\n    return function () {\n      triggerSetupEvent(this, {\n        name: name,\n        plugin: PluginSubClass,\n        instance: null\n      }, true);\n\n      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {\n        args[_key] = arguments[_key];\n      }\n\n      var instance = construct(PluginSubClass, [this].concat(args)); // The plugin is replaced by a function that returns the current instance.\n\n\n      this[name] = function () {\n        return instance;\n      };\n\n      triggerSetupEvent(this, instance.getEventHash());\n      return instance;\n    };\n  };\n  /**\n   * Parent class for all advanced plugins.\n   *\n   * @mixes   module:evented~EventedMixin\n   * @mixes   module:stateful~StatefulMixin\n   * @fires   Player#beforepluginsetup\n   * @fires   Player#beforepluginsetup:$name\n   * @fires   Player#pluginsetup\n   * @fires   Player#pluginsetup:$name\n   * @listens Player#dispose\n   * @throws  {Error}\n   *          If attempting to instantiate the base {@link Plugin} class\n   *          directly instead of via a sub-class.\n   */\n\n\n  var Plugin = /*#__PURE__*/function () {\n    /**\n     * Creates an instance of this class.\n     *\n     * Sub-classes should call `super` to ensure plugins are properly initialized.\n     *\n     * @param {Player} player\n     *        A Video.js player instance.\n     */\n    function Plugin(player) {\n      if (this.constructor === Plugin) {\n        throw new Error('Plugin must be sub-classed; not directly instantiated.');\n      }\n\n      this.player = player; // Make this object evented, but remove the added `trigger` method so we\n      // use the prototype version instead.\n\n      evented(this);\n      delete this.trigger;\n      stateful(this, this.constructor.defaultState);\n      markPluginAsActive(player, this.name); // Auto-bind the dispose method so we can use it as a listener and unbind\n      // it later easily.\n\n      this.dispose = bind(this, this.dispose); // If the player is disposed, dispose the plugin.\n\n      player.on('dispose', this.dispose);\n    }\n    /**\n     * Get the version of the plugin that was set on <pluginName>.VERSION\n     */\n\n\n    var _proto = Plugin.prototype;\n\n    _proto.version = function version() {\n      return this.constructor.VERSION;\n    }\n    /**\n     * Each event triggered by plugins includes a hash of additional data with\n     * conventional properties.\n     *\n     * This returns that object or mutates an existing hash.\n     *\n     * @param   {Object} [hash={}]\n     *          An object to be used as event an event hash.\n     *\n     * @return {Plugin~PluginEventHash}\n     *          An event hash object with provided properties mixed-in.\n     */\n    ;\n\n    _proto.getEventHash = function getEventHash(hash) {\n      if (hash === void 0) {\n        hash = {};\n      }\n\n      hash.name = this.name;\n      hash.plugin = this.constructor;\n      hash.instance = this;\n      return hash;\n    }\n    /**\n     * Triggers an event on the plugin object and overrides\n     * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.\n     *\n     * @param   {string|Object} event\n     *          An event type or an object with a type property.\n     *\n     * @param   {Object} [hash={}]\n     *          Additional data hash to merge with a\n     *          {@link Plugin~PluginEventHash|PluginEventHash}.\n     *\n     * @return {boolean}\n     *          Whether or not default was prevented.\n     */\n    ;\n\n    _proto.trigger = function trigger$1(event, hash) {\n      if (hash === void 0) {\n        hash = {};\n      }\n\n      return trigger(this.eventBusEl_, event, this.getEventHash(hash));\n    }\n    /**\n     * Handles \"statechanged\" events on the plugin. No-op by default, override by\n     * subclassing.\n     *\n     * @abstract\n     * @param    {Event} e\n     *           An event object provided by a \"statechanged\" event.\n     *\n     * @param    {Object} e.changes\n     *           An object describing changes that occurred with the \"statechanged\"\n     *           event.\n     */\n    ;\n\n    _proto.handleStateChanged = function handleStateChanged(e) {}\n    /**\n     * Disposes a plugin.\n     *\n     * Subclasses can override this if they want, but for the sake of safety,\n     * it's probably best to subscribe the \"dispose\" event.\n     *\n     * @fires Plugin#dispose\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      var name = this.name,\n          player = this.player;\n      /**\n       * Signals that a advanced plugin is about to be disposed.\n       *\n       * @event Plugin#dispose\n       * @type  {EventTarget~Event}\n       */\n\n      this.trigger('dispose');\n      this.off();\n      player.off('dispose', this.dispose); // Eliminate any possible sources of leaking memory by clearing up\n      // references between the player and the plugin instance and nulling out\n      // the plugin's state and replacing methods with a function that throws.\n\n      player[PLUGIN_CACHE_KEY][name] = false;\n      this.player = this.state = null; // Finally, replace the plugin name on the player with a new factory\n      // function, so that the plugin is ready to be set up again.\n\n      player[name] = createPluginFactory(name, pluginStorage[name]);\n    }\n    /**\n     * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).\n     *\n     * @param   {string|Function} plugin\n     *          If a string, matches the name of a plugin. If a function, will be\n     *          tested directly.\n     *\n     * @return {boolean}\n     *          Whether or not a plugin is a basic plugin.\n     */\n    ;\n\n    Plugin.isBasic = function isBasic(plugin) {\n      var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;\n      return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);\n    }\n    /**\n     * Register a Video.js plugin.\n     *\n     * @param   {string} name\n     *          The name of the plugin to be registered. Must be a string and\n     *          must not match an existing plugin or a method on the `Player`\n     *          prototype.\n     *\n     * @param   {Function} plugin\n     *          A sub-class of `Plugin` or a function for basic plugins.\n     *\n     * @return {Function}\n     *          For advanced plugins, a factory function for that plugin. For\n     *          basic plugins, a wrapper function that initializes the plugin.\n     */\n    ;\n\n    Plugin.registerPlugin = function registerPlugin(name, plugin) {\n      if (typeof name !== 'string') {\n        throw new Error(\"Illegal plugin name, \\\"\" + name + \"\\\", must be a string, was \" + typeof name + \".\");\n      }\n\n      if (pluginExists(name)) {\n        log.warn(\"A plugin named \\\"\" + name + \"\\\" already exists. You may want to avoid re-registering plugins!\");\n      } else if (Player.prototype.hasOwnProperty(name)) {\n        throw new Error(\"Illegal plugin name, \\\"\" + name + \"\\\", cannot share a name with an existing player method!\");\n      }\n\n      if (typeof plugin !== 'function') {\n        throw new Error(\"Illegal plugin for \\\"\" + name + \"\\\", must be a function, was \" + typeof plugin + \".\");\n      }\n\n      pluginStorage[name] = plugin; // Add a player prototype method for all sub-classed plugins (but not for\n      // the base Plugin class).\n\n      if (name !== BASE_PLUGIN_NAME) {\n        if (Plugin.isBasic(plugin)) {\n          Player.prototype[name] = createBasicPlugin(name, plugin);\n        } else {\n          Player.prototype[name] = createPluginFactory(name, plugin);\n        }\n      }\n\n      return plugin;\n    }\n    /**\n     * De-register a Video.js plugin.\n     *\n     * @param  {string} name\n     *         The name of the plugin to be de-registered. Must be a string that\n     *         matches an existing plugin.\n     *\n     * @throws {Error}\n     *         If an attempt is made to de-register the base plugin.\n     */\n    ;\n\n    Plugin.deregisterPlugin = function deregisterPlugin(name) {\n      if (name === BASE_PLUGIN_NAME) {\n        throw new Error('Cannot de-register base plugin.');\n      }\n\n      if (pluginExists(name)) {\n        delete pluginStorage[name];\n        delete Player.prototype[name];\n      }\n    }\n    /**\n     * Gets an object containing multiple Video.js plugins.\n     *\n     * @param   {Array} [names]\n     *          If provided, should be an array of plugin names. Defaults to _all_\n     *          plugin names.\n     *\n     * @return {Object|undefined}\n     *          An object containing plugin(s) associated with their name(s) or\n     *          `undefined` if no matching plugins exist).\n     */\n    ;\n\n    Plugin.getPlugins = function getPlugins(names) {\n      if (names === void 0) {\n        names = Object.keys(pluginStorage);\n      }\n\n      var result;\n      names.forEach(function (name) {\n        var plugin = getPlugin(name);\n\n        if (plugin) {\n          result = result || {};\n          result[name] = plugin;\n        }\n      });\n      return result;\n    }\n    /**\n     * Gets a plugin's version, if available\n     *\n     * @param   {string} name\n     *          The name of a plugin.\n     *\n     * @return {string}\n     *          The plugin's version or an empty string.\n     */\n    ;\n\n    Plugin.getPluginVersion = function getPluginVersion(name) {\n      var plugin = getPlugin(name);\n      return plugin && plugin.VERSION || '';\n    };\n\n    return Plugin;\n  }();\n  /**\n   * Gets a plugin by name if it exists.\n   *\n   * @static\n   * @method   getPlugin\n   * @memberOf Plugin\n   * @param    {string} name\n   *           The name of a plugin.\n   *\n   * @returns  {Function|undefined}\n   *           The plugin (or `undefined`).\n   */\n\n\n  Plugin.getPlugin = getPlugin;\n  /**\n   * The name of the base plugin class as it is registered.\n   *\n   * @type {string}\n   */\n\n  Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;\n  Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);\n  /**\n   * Documented in player.js\n   *\n   * @ignore\n   */\n\n  Player.prototype.usingPlugin = function (name) {\n    return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;\n  };\n  /**\n   * Documented in player.js\n   *\n   * @ignore\n   */\n\n\n  Player.prototype.hasPlugin = function (name) {\n    return !!pluginExists(name);\n  };\n  /**\n   * Signals that a plugin is about to be set up on a player.\n   *\n   * @event    Player#beforepluginsetup\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin is about to be set up on a player - by name. The name\n   * is the name of the plugin.\n   *\n   * @event    Player#beforepluginsetup:$name\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin has just been set up on a player.\n   *\n   * @event    Player#pluginsetup\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * Signals that a plugin has just been set up on a player - by name. The name\n   * is the name of the plugin.\n   *\n   * @event    Player#pluginsetup:$name\n   * @type     {Plugin~PluginEventHash}\n   */\n\n  /**\n   * @typedef  {Object} Plugin~PluginEventHash\n   *\n   * @property {string} instance\n   *           For basic plugins, the return value of the plugin function. For\n   *           advanced plugins, the plugin instance on which the event is fired.\n   *\n   * @property {string} name\n   *           The name of the plugin.\n   *\n   * @property {string} plugin\n   *           For basic plugins, the plugin function. For advanced plugins, the\n   *           plugin class/constructor.\n   */\n\n  function _inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function\");\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) setPrototypeOf(subClass, superClass);\n  }\n\n  var inherits = _inherits;\n\n  /**\n   * @file extend.js\n   * @module extend\n   */\n  /**\n   * Used to subclass an existing class by emulating ES subclassing using the\n   * `extends` keyword.\n   *\n   * @function\n   * @example\n   * var MyComponent = videojs.extend(videojs.getComponent('Component'), {\n   *   myCustomMethod: function() {\n   *     // Do things in my method.\n   *   }\n   * });\n   *\n   * @param    {Function} superClass\n   *           The class to inherit from\n   *\n   * @param    {Object}   [subClassMethods={}]\n   *           Methods of the new class\n   *\n   * @return   {Function}\n   *           The new class with subClassMethods that inherited superClass.\n   */\n\n  var extend = function extend(superClass, subClassMethods) {\n    if (subClassMethods === void 0) {\n      subClassMethods = {};\n    }\n\n    var subClass = function subClass() {\n      superClass.apply(this, arguments);\n    };\n\n    var methods = {};\n\n    if (typeof subClassMethods === 'object') {\n      if (subClassMethods.constructor !== Object.prototype.constructor) {\n        subClass = subClassMethods.constructor;\n      }\n\n      methods = subClassMethods;\n    } else if (typeof subClassMethods === 'function') {\n      subClass = subClassMethods;\n    }\n\n    inherits(subClass, superClass); // this is needed for backward-compatibility and node compatibility.\n\n\n    if (superClass) {\n      subClass.super_ = superClass;\n    } // Extend subObj's prototype with functions and other properties from props\n\n\n    for (var name in methods) {\n      if (methods.hasOwnProperty(name)) {\n        subClass.prototype[name] = methods[name];\n      }\n    }\n\n    return subClass;\n  };\n\n  /**\n   * @file video.js\n   * @module videojs\n   */\n  /**\n   * Normalize an `id` value by trimming off a leading `#`\n   *\n   * @private\n   * @param   {string} id\n   *          A string, maybe with a leading `#`.\n   *\n   * @return {string}\n   *          The string, without any leading `#`.\n   */\n\n  var normalizeId = function normalizeId(id) {\n    return id.indexOf('#') === 0 ? id.slice(1) : id;\n  };\n  /**\n   * The `videojs()` function doubles as the main function for users to create a\n   * {@link Player} instance as well as the main library namespace.\n   *\n   * It can also be used as a getter for a pre-existing {@link Player} instance.\n   * However, we _strongly_ recommend using `videojs.getPlayer()` for this\n   * purpose because it avoids any potential for unintended initialization.\n   *\n   * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149)\n   * of our JSDoc template, we cannot properly document this as both a function\n   * and a namespace, so its function signature is documented here.\n   *\n   * #### Arguments\n   * ##### id\n   * string|Element, **required**\n   *\n   * Video element or video element ID.\n   *\n   * ##### options\n   * Object, optional\n   *\n   * Options object for providing settings.\n   * See: [Options Guide](https://docs.videojs.com/tutorial-options.html).\n   *\n   * ##### ready\n   * {@link Component~ReadyCallback}, optional\n   *\n   * A function to be called when the {@link Player} and {@link Tech} are ready.\n   *\n   * #### Return Value\n   *\n   * The `videojs()` function returns a {@link Player} instance.\n   *\n   * @namespace\n   *\n   * @borrows AudioTrack as AudioTrack\n   * @borrows Component.getComponent as getComponent\n   * @borrows module:computed-style~computedStyle as computedStyle\n   * @borrows module:events.on as on\n   * @borrows module:events.one as one\n   * @borrows module:events.off as off\n   * @borrows module:events.trigger as trigger\n   * @borrows EventTarget as EventTarget\n   * @borrows module:extend~extend as extend\n   * @borrows module:fn.bind as bind\n   * @borrows module:format-time.formatTime as formatTime\n   * @borrows module:format-time.resetFormatTime as resetFormatTime\n   * @borrows module:format-time.setFormatTime as setFormatTime\n   * @borrows module:merge-options.mergeOptions as mergeOptions\n   * @borrows module:middleware.use as use\n   * @borrows Player.players as players\n   * @borrows Plugin.registerPlugin as registerPlugin\n   * @borrows Plugin.deregisterPlugin as deregisterPlugin\n   * @borrows Plugin.getPlugins as getPlugins\n   * @borrows Plugin.getPlugin as getPlugin\n   * @borrows Plugin.getPluginVersion as getPluginVersion\n   * @borrows Tech.getTech as getTech\n   * @borrows Tech.registerTech as registerTech\n   * @borrows TextTrack as TextTrack\n   * @borrows module:time-ranges.createTimeRanges as createTimeRange\n   * @borrows module:time-ranges.createTimeRanges as createTimeRanges\n   * @borrows module:url.isCrossOrigin as isCrossOrigin\n   * @borrows module:url.parseUrl as parseUrl\n   * @borrows VideoTrack as VideoTrack\n   *\n   * @param  {string|Element} id\n   *         Video element or video element ID.\n   *\n   * @param  {Object} [options]\n   *         Options object for providing settings.\n   *         See: [Options Guide](https://docs.videojs.com/tutorial-options.html).\n   *\n   * @param  {Component~ReadyCallback} [ready]\n   *         A function to be called when the {@link Player} and {@link Tech} are\n   *         ready.\n   *\n   * @return {Player}\n   *         The `videojs()` function returns a {@link Player|Player} instance.\n   */\n\n\n  function videojs$1(id, options, ready) {\n    var player = videojs$1.getPlayer(id);\n\n    if (player) {\n      if (options) {\n        log.warn(\"Player \\\"\" + id + \"\\\" is already initialised. Options will not be applied.\");\n      }\n\n      if (ready) {\n        player.ready(ready);\n      }\n\n      return player;\n    }\n\n    var el = typeof id === 'string' ? $('#' + normalizeId(id)) : id;\n\n    if (!isEl(el)) {\n      throw new TypeError('The element or ID supplied is not valid. (videojs)');\n    } // document.body.contains(el) will only check if el is contained within that one document.\n    // This causes problems for elements in iframes.\n    // Instead, use the element's ownerDocument instead of the global document.\n    // This will make sure that the element is indeed in the dom of that document.\n    // Additionally, check that the document in question has a default view.\n    // If the document is no longer attached to the dom, the defaultView of the document will be null.\n\n\n    if (!el.ownerDocument.defaultView || !el.ownerDocument.body.contains(el)) {\n      log.warn('The element supplied is not included in the DOM');\n    }\n\n    options = options || {};\n    videojs$1.hooks('beforesetup').forEach(function (hookFunction) {\n      var opts = hookFunction(el, mergeOptions(options));\n\n      if (!isObject(opts) || Array.isArray(opts)) {\n        log.error('please return an object in beforesetup hooks');\n        return;\n      }\n\n      options = mergeOptions(options, opts);\n    }); // We get the current \"Player\" component here in case an integration has\n    // replaced it with a custom player.\n\n    var PlayerComponent = Component.getComponent('Player');\n    player = new PlayerComponent(el, options, ready);\n    videojs$1.hooks('setup').forEach(function (hookFunction) {\n      return hookFunction(player);\n    });\n    return player;\n  }\n  /**\n   * An Object that contains lifecycle hooks as keys which point to an array\n   * of functions that are run when a lifecycle is triggered\n   *\n   * @private\n   */\n\n\n  videojs$1.hooks_ = {};\n  /**\n   * Get a list of hooks for a specific lifecycle\n   *\n   * @param  {string} type\n   *         the lifecyle to get hooks from\n   *\n   * @param  {Function|Function[]} [fn]\n   *         Optionally add a hook (or hooks) to the lifecycle that your are getting.\n   *\n   * @return {Array}\n   *         an array of hooks, or an empty array if there are none.\n   */\n\n  videojs$1.hooks = function (type, fn) {\n    videojs$1.hooks_[type] = videojs$1.hooks_[type] || [];\n\n    if (fn) {\n      videojs$1.hooks_[type] = videojs$1.hooks_[type].concat(fn);\n    }\n\n    return videojs$1.hooks_[type];\n  };\n  /**\n   * Add a function hook to a specific videojs lifecycle.\n   *\n   * @param {string} type\n   *        the lifecycle to hook the function to.\n   *\n   * @param {Function|Function[]}\n   *        The function or array of functions to attach.\n   */\n\n\n  videojs$1.hook = function (type, fn) {\n    videojs$1.hooks(type, fn);\n  };\n  /**\n   * Add a function hook that will only run once to a specific videojs lifecycle.\n   *\n   * @param {string} type\n   *        the lifecycle to hook the function to.\n   *\n   * @param {Function|Function[]}\n   *        The function or array of functions to attach.\n   */\n\n\n  videojs$1.hookOnce = function (type, fn) {\n    videojs$1.hooks(type, [].concat(fn).map(function (original) {\n      var wrapper = function wrapper() {\n        videojs$1.removeHook(type, wrapper);\n        return original.apply(void 0, arguments);\n      };\n\n      return wrapper;\n    }));\n  };\n  /**\n   * Remove a hook from a specific videojs lifecycle.\n   *\n   * @param  {string} type\n   *         the lifecycle that the function hooked to\n   *\n   * @param  {Function} fn\n   *         The hooked function to remove\n   *\n   * @return {boolean}\n   *         The function that was removed or undef\n   */\n\n\n  videojs$1.removeHook = function (type, fn) {\n    var index = videojs$1.hooks(type).indexOf(fn);\n\n    if (index <= -1) {\n      return false;\n    }\n\n    videojs$1.hooks_[type] = videojs$1.hooks_[type].slice();\n    videojs$1.hooks_[type].splice(index, 1);\n    return true;\n  }; // Add default styles\n\n\n  if (window$3.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {\n    var style = $('.vjs-styles-defaults');\n\n    if (!style) {\n      style = createStyleElement('vjs-styles-defaults');\n      var head = $('head');\n\n      if (head) {\n        head.insertBefore(style, head.firstChild);\n      }\n\n      setTextContent(style, \"\\n      .video-js {\\n        width: 300px;\\n        height: 150px;\\n      }\\n\\n      .vjs-fluid {\\n        padding-top: 56.25%\\n      }\\n    \");\n    }\n  } // Run Auto-load players\n  // You have to wait at least once in case this script is loaded after your\n  // video in the DOM (weird behavior only with minified version)\n\n\n  autoSetupTimeout(1, videojs$1);\n  /**\n   * Current Video.js version. Follows [semantic versioning](https://semver.org/).\n   *\n   * @type {string}\n   */\n\n  videojs$1.VERSION = version;\n  /**\n   * The global options object. These are the settings that take effect\n   * if no overrides are specified when the player is created.\n   *\n   * @type {Object}\n   */\n\n  videojs$1.options = Player.prototype.options_;\n  /**\n   * Get an object with the currently created players, keyed by player ID\n   *\n   * @return {Object}\n   *         The created players\n   */\n\n  videojs$1.getPlayers = function () {\n    return Player.players;\n  };\n  /**\n   * Get a single player based on an ID or DOM element.\n   *\n   * This is useful if you want to check if an element or ID has an associated\n   * Video.js player, but not create one if it doesn't.\n   *\n   * @param   {string|Element} id\n   *          An HTML element - `<video>`, `<audio>`, or `<video-js>` -\n   *          or a string matching the `id` of such an element.\n   *\n   * @return {Player|undefined}\n   *          A player instance or `undefined` if there is no player instance\n   *          matching the argument.\n   */\n\n\n  videojs$1.getPlayer = function (id) {\n    var players = Player.players;\n    var tag;\n\n    if (typeof id === 'string') {\n      var nId = normalizeId(id);\n      var player = players[nId];\n\n      if (player) {\n        return player;\n      }\n\n      tag = $('#' + nId);\n    } else {\n      tag = id;\n    }\n\n    if (isEl(tag)) {\n      var _tag = tag,\n          _player = _tag.player,\n          playerId = _tag.playerId; // Element may have a `player` property referring to an already created\n      // player instance. If so, return that.\n\n      if (_player || players[playerId]) {\n        return _player || players[playerId];\n      }\n    }\n  };\n  /**\n   * Returns an array of all current players.\n   *\n   * @return {Array}\n   *         An array of all players. The array will be in the order that\n   *         `Object.keys` provides, which could potentially vary between\n   *         JavaScript engines.\n   *\n   */\n\n\n  videojs$1.getAllPlayers = function () {\n    return (// Disposed players leave a key with a `null` value, so we need to make sure\n      // we filter those out.\n      Object.keys(Player.players).map(function (k) {\n        return Player.players[k];\n      }).filter(Boolean)\n    );\n  };\n\n  videojs$1.players = Player.players;\n  videojs$1.getComponent = Component.getComponent;\n  /**\n   * Register a component so it can referred to by name. Used when adding to other\n   * components, either through addChild `component.addChild('myComponent')` or through\n   * default children options  `{ children: ['myComponent'] }`.\n   *\n   * > NOTE: You could also just initialize the component before adding.\n   * `component.addChild(new MyComponent());`\n   *\n   * @param {string} name\n   *        The class name of the component\n   *\n   * @param {Component} comp\n   *        The component class\n   *\n   * @return {Component}\n   *         The newly registered component\n   */\n\n  videojs$1.registerComponent = function (name, comp) {\n    if (Tech.isTech(comp)) {\n      log.warn(\"The \" + name + \" tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)\");\n    }\n\n    Component.registerComponent.call(Component, name, comp);\n  };\n\n  videojs$1.getTech = Tech.getTech;\n  videojs$1.registerTech = Tech.registerTech;\n  videojs$1.use = use;\n  /**\n   * An object that can be returned by a middleware to signify\n   * that the middleware is being terminated.\n   *\n   * @type {object}\n   * @property {object} middleware.TERMINATOR\n   */\n\n  Object.defineProperty(videojs$1, 'middleware', {\n    value: {},\n    writeable: false,\n    enumerable: true\n  });\n  Object.defineProperty(videojs$1.middleware, 'TERMINATOR', {\n    value: TERMINATOR,\n    writeable: false,\n    enumerable: true\n  });\n  /**\n   * A reference to the {@link module:browser|browser utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:browser|browser}\n   */\n\n  videojs$1.browser = browser;\n  /**\n   * Use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED} instead; only\n   * included for backward-compatibility with 4.x.\n   *\n   * @deprecated Since version 5.0, use {@link module:browser.TOUCH_ENABLED|browser.TOUCH_ENABLED instead.\n   * @type {boolean}\n   */\n\n  videojs$1.TOUCH_ENABLED = TOUCH_ENABLED;\n  videojs$1.extend = extend;\n  videojs$1.mergeOptions = mergeOptions;\n  videojs$1.bind = bind;\n  videojs$1.registerPlugin = Plugin.registerPlugin;\n  videojs$1.deregisterPlugin = Plugin.deregisterPlugin;\n  /**\n   * Deprecated method to register a plugin with Video.js\n   *\n   * @deprecated videojs.plugin() is deprecated; use videojs.registerPlugin() instead\n   *\n   * @param {string} name\n   *        The plugin name\n   *\n   * @param {Plugin|Function} plugin\n   *         The plugin sub-class or function\n   */\n\n  videojs$1.plugin = function (name, plugin) {\n    log.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');\n    return Plugin.registerPlugin(name, plugin);\n  };\n\n  videojs$1.getPlugins = Plugin.getPlugins;\n  videojs$1.getPlugin = Plugin.getPlugin;\n  videojs$1.getPluginVersion = Plugin.getPluginVersion;\n  /**\n   * Adding languages so that they're available to all players.\n   * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`\n   *\n   * @param {string} code\n   *        The language code or dictionary property\n   *\n   * @param {Object} data\n   *        The data values to be translated\n   *\n   * @return {Object}\n   *         The resulting language dictionary object\n   */\n\n  videojs$1.addLanguage = function (code, data) {\n    var _mergeOptions;\n\n    code = ('' + code).toLowerCase();\n    videojs$1.options.languages = mergeOptions(videojs$1.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));\n    return videojs$1.options.languages[code];\n  };\n  /**\n   * A reference to the {@link module:log|log utility module} as an object.\n   *\n   * @type {Function}\n   * @see  {@link module:log|log}\n   */\n\n\n  videojs$1.log = log;\n  videojs$1.createLogger = createLogger$1;\n  videojs$1.createTimeRange = videojs$1.createTimeRanges = createTimeRanges;\n  videojs$1.formatTime = formatTime;\n  videojs$1.setFormatTime = setFormatTime;\n  videojs$1.resetFormatTime = resetFormatTime;\n  videojs$1.parseUrl = parseUrl;\n  videojs$1.isCrossOrigin = isCrossOrigin;\n  videojs$1.EventTarget = EventTarget;\n  videojs$1.on = on;\n  videojs$1.one = one;\n  videojs$1.off = off;\n  videojs$1.trigger = trigger;\n  /**\n   * A cross-browser XMLHttpRequest wrapper.\n   *\n   * @function\n   * @param    {Object} options\n   *           Settings for the request.\n   *\n   * @return   {XMLHttpRequest|XDomainRequest}\n   *           The request object.\n   *\n   * @see      https://github.com/Raynos/xhr\n   */\n\n  videojs$1.xhr = xhr;\n  videojs$1.TextTrack = TextTrack;\n  videojs$1.AudioTrack = AudioTrack;\n  videojs$1.VideoTrack = VideoTrack;\n  ['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {\n    videojs$1[k] = function () {\n      log.warn(\"videojs.\" + k + \"() is deprecated; use videojs.dom.\" + k + \"() instead\");\n      return Dom[k].apply(null, arguments);\n    };\n  });\n  videojs$1.computedStyle = computedStyle;\n  /**\n   * A reference to the {@link module:dom|DOM utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:dom|dom}\n   */\n\n  videojs$1.dom = Dom;\n  /**\n   * A reference to the {@link module:url|URL utility module} as an object.\n   *\n   * @type {Object}\n   * @see  {@link module:url|url}\n   */\n\n  videojs$1.url = Url;\n  videojs$1.defineLazyProperty = defineLazyProperty;\n\n  var urlToolkit = createCommonjsModule(function (module, exports) {\n    // see https://tools.ietf.org/html/rfc1808\n\n    /* jshint ignore:start */\n    (function (root) {\n      /* jshint ignore:end */\n      var URL_REGEX = /^((?:[a-zA-Z0-9+\\-.]+:)?)(\\/\\/[^\\/?#]*)?((?:[^\\/\\?#]*\\/)*.*?)??(;.*?)?(\\?.*?)?(#.*?)?$/;\n      var FIRST_SEGMENT_REGEX = /^([^\\/?#]*)(.*)$/;\n      var SLASH_DOT_REGEX = /(?:\\/|^)\\.(?=\\/)/g;\n      var SLASH_DOT_DOT_REGEX = /(?:\\/|^)\\.\\.\\/(?!\\.\\.\\/).*?(?=\\/)/g;\n      var URLToolkit = {\n        // jshint ignore:line\n        // If opts.alwaysNormalize is true then the path will always be normalized even when it starts with / or //\n        // E.g\n        // With opts.alwaysNormalize = false (default, spec compliant)\n        // http://a.com/b/cd + /e/f/../g => http://a.com/e/f/../g\n        // With opts.alwaysNormalize = true (not spec compliant)\n        // http://a.com/b/cd + /e/f/../g => http://a.com/e/g\n        buildAbsoluteURL: function buildAbsoluteURL(baseURL, relativeURL, opts) {\n          opts = opts || {}; // remove any remaining space and CRLF\n\n          baseURL = baseURL.trim();\n          relativeURL = relativeURL.trim();\n\n          if (!relativeURL) {\n            // 2a) If the embedded URL is entirely empty, it inherits the\n            // entire base URL (i.e., is set equal to the base URL)\n            // and we are done.\n            if (!opts.alwaysNormalize) {\n              return baseURL;\n            }\n\n            var basePartsForNormalise = URLToolkit.parseURL(baseURL);\n\n            if (!basePartsForNormalise) {\n              throw new Error('Error trying to parse base URL.');\n            }\n\n            basePartsForNormalise.path = URLToolkit.normalizePath(basePartsForNormalise.path);\n            return URLToolkit.buildURLFromParts(basePartsForNormalise);\n          }\n\n          var relativeParts = URLToolkit.parseURL(relativeURL);\n\n          if (!relativeParts) {\n            throw new Error('Error trying to parse relative URL.');\n          }\n\n          if (relativeParts.scheme) {\n            // 2b) If the embedded URL starts with a scheme name, it is\n            // interpreted as an absolute URL and we are done.\n            if (!opts.alwaysNormalize) {\n              return relativeURL;\n            }\n\n            relativeParts.path = URLToolkit.normalizePath(relativeParts.path);\n            return URLToolkit.buildURLFromParts(relativeParts);\n          }\n\n          var baseParts = URLToolkit.parseURL(baseURL);\n\n          if (!baseParts) {\n            throw new Error('Error trying to parse base URL.');\n          }\n\n          if (!baseParts.netLoc && baseParts.path && baseParts.path[0] !== '/') {\n            // If netLoc missing and path doesn't start with '/', assume everthing before the first '/' is the netLoc\n            // This causes 'example.com/a' to be handled as '//example.com/a' instead of '/example.com/a'\n            var pathParts = FIRST_SEGMENT_REGEX.exec(baseParts.path);\n            baseParts.netLoc = pathParts[1];\n            baseParts.path = pathParts[2];\n          }\n\n          if (baseParts.netLoc && !baseParts.path) {\n            baseParts.path = '/';\n          }\n\n          var builtParts = {\n            // 2c) Otherwise, the embedded URL inherits the scheme of\n            // the base URL.\n            scheme: baseParts.scheme,\n            netLoc: relativeParts.netLoc,\n            path: null,\n            params: relativeParts.params,\n            query: relativeParts.query,\n            fragment: relativeParts.fragment\n          };\n\n          if (!relativeParts.netLoc) {\n            // 3) If the embedded URL's <net_loc> is non-empty, we skip to\n            // Step 7.  Otherwise, the embedded URL inherits the <net_loc>\n            // (if any) of the base URL.\n            builtParts.netLoc = baseParts.netLoc; // 4) If the embedded URL path is preceded by a slash \"/\", the\n            // path is not relative and we skip to Step 7.\n\n            if (relativeParts.path[0] !== '/') {\n              if (!relativeParts.path) {\n                // 5) If the embedded URL path is empty (and not preceded by a\n                // slash), then the embedded URL inherits the base URL path\n                builtParts.path = baseParts.path; // 5a) if the embedded URL's <params> is non-empty, we skip to\n                // step 7; otherwise, it inherits the <params> of the base\n                // URL (if any) and\n\n                if (!relativeParts.params) {\n                  builtParts.params = baseParts.params; // 5b) if the embedded URL's <query> is non-empty, we skip to\n                  // step 7; otherwise, it inherits the <query> of the base\n                  // URL (if any) and we skip to step 7.\n\n                  if (!relativeParts.query) {\n                    builtParts.query = baseParts.query;\n                  }\n                }\n              } else {\n                // 6) The last segment of the base URL's path (anything\n                // following the rightmost slash \"/\", or the entire path if no\n                // slash is present) is removed and the embedded URL's path is\n                // appended in its place.\n                var baseURLPath = baseParts.path;\n                var newPath = baseURLPath.substring(0, baseURLPath.lastIndexOf('/') + 1) + relativeParts.path;\n                builtParts.path = URLToolkit.normalizePath(newPath);\n              }\n            }\n          }\n\n          if (builtParts.path === null) {\n            builtParts.path = opts.alwaysNormalize ? URLToolkit.normalizePath(relativeParts.path) : relativeParts.path;\n          }\n\n          return URLToolkit.buildURLFromParts(builtParts);\n        },\n        parseURL: function parseURL(url) {\n          var parts = URL_REGEX.exec(url);\n\n          if (!parts) {\n            return null;\n          }\n\n          return {\n            scheme: parts[1] || '',\n            netLoc: parts[2] || '',\n            path: parts[3] || '',\n            params: parts[4] || '',\n            query: parts[5] || '',\n            fragment: parts[6] || ''\n          };\n        },\n        normalizePath: function normalizePath(path) {\n          // The following operations are\n          // then applied, in order, to the new path:\n          // 6a) All occurrences of \"./\", where \".\" is a complete path\n          // segment, are removed.\n          // 6b) If the path ends with \".\" as a complete path segment,\n          // that \".\" is removed.\n          path = path.split('').reverse().join('').replace(SLASH_DOT_REGEX, ''); // 6c) All occurrences of \"<segment>/../\", where <segment> is a\n          // complete path segment not equal to \"..\", are removed.\n          // Removal of these path segments is performed iteratively,\n          // removing the leftmost matching pattern on each iteration,\n          // until no matching pattern remains.\n          // 6d) If the path ends with \"<segment>/..\", where <segment> is a\n          // complete path segment not equal to \"..\", that\n          // \"<segment>/..\" is removed.\n\n          while (path.length !== (path = path.replace(SLASH_DOT_DOT_REGEX, '')).length) {} // jshint ignore:line\n\n\n          return path.split('').reverse().join('');\n        },\n        buildURLFromParts: function buildURLFromParts(parts) {\n          return parts.scheme + parts.netLoc + parts.path + parts.params + parts.query + parts.fragment;\n        }\n      };\n      /* jshint ignore:start */\n\n      module.exports = URLToolkit;\n    })();\n    /* jshint ignore:end */\n\n  });\n\n  /*! @name m3u8-parser @version 4.4.0 @license Apache-2.0 */\n\n  function _extends() {\n    _extends = Object.assign || function (target) {\n      for (var i = 1; i < arguments.length; i++) {\n        var source = arguments[i];\n\n        for (var key in source) {\n          if (Object.prototype.hasOwnProperty.call(source, key)) {\n            target[key] = source[key];\n          }\n        }\n      }\n\n      return target;\n    };\n\n    return _extends.apply(this, arguments);\n  }\n\n  function _inheritsLoose$1(subClass, superClass) {\n    subClass.prototype = Object.create(superClass.prototype);\n    subClass.prototype.constructor = subClass;\n    subClass.__proto__ = superClass;\n  }\n\n  function _assertThisInitialized$1(self) {\n    if (self === void 0) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return self;\n  }\n  /**\n   * @file stream.js\n   */\n\n  /**\n   * A lightweight readable stream implementation that handles event dispatching.\n   *\n   * @class Stream\n   */\n\n\n  var Stream = /*#__PURE__*/function () {\n    function Stream() {\n      this.listeners = {};\n    }\n    /**\n     * Add a listener for a specified event type.\n     *\n     * @param {string} type the event name\n     * @param {Function} listener the callback to be invoked when an event of\n     * the specified type occurs\n     */\n\n\n    var _proto = Stream.prototype;\n\n    _proto.on = function on(type, listener) {\n      if (!this.listeners[type]) {\n        this.listeners[type] = [];\n      }\n\n      this.listeners[type].push(listener);\n    }\n    /**\n     * Remove a listener for a specified event type.\n     *\n     * @param {string} type the event name\n     * @param {Function} listener  a function previously registered for this\n     * type of event through `on`\n     * @return {boolean} if we could turn it off or not\n     */\n    ;\n\n    _proto.off = function off(type, listener) {\n      if (!this.listeners[type]) {\n        return false;\n      }\n\n      var index = this.listeners[type].indexOf(listener);\n      this.listeners[type].splice(index, 1);\n      return index > -1;\n    }\n    /**\n     * Trigger an event of the specified type on this stream. Any additional\n     * arguments to this function are passed as parameters to event listeners.\n     *\n     * @param {string} type the event name\n     */\n    ;\n\n    _proto.trigger = function trigger(type) {\n      var callbacks = this.listeners[type];\n      var i;\n      var length;\n      var args;\n\n      if (!callbacks) {\n        return;\n      } // Slicing the arguments on every invocation of this method\n      // can add a significant amount of overhead. Avoid the\n      // intermediate object creation for the common case of a\n      // single callback argument\n\n\n      if (arguments.length === 2) {\n        length = callbacks.length;\n\n        for (i = 0; i < length; ++i) {\n          callbacks[i].call(this, arguments[1]);\n        }\n      } else {\n        args = Array.prototype.slice.call(arguments, 1);\n        length = callbacks.length;\n\n        for (i = 0; i < length; ++i) {\n          callbacks[i].apply(this, args);\n        }\n      }\n    }\n    /**\n     * Destroys the stream and cleans up.\n     */\n    ;\n\n    _proto.dispose = function dispose() {\n      this.listeners = {};\n    }\n    /**\n     * Forwards all `data` events on this stream to the destination stream. The\n     * destination stream should provide a method `push` to receive the data\n     * events as they arrive.\n     *\n     * @param {Stream} destination the stream that will receive all `data` events\n     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n     */\n    ;\n\n    _proto.pipe = function pipe(destination) {\n      this.on('data', function (data) {\n        destination.push(data);\n      });\n    };\n\n    return Stream;\n  }();\n  /**\n   * A stream that buffers string input and generates a `data` event for each\n   * line.\n   *\n   * @class LineStream\n   * @extends Stream\n   */\n\n\n  var LineStream = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(LineStream, _Stream);\n\n    function LineStream() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.buffer = '';\n      return _this;\n    }\n    /**\n     * Add new data to be parsed.\n     *\n     * @param {string} data the text to process\n     */\n\n\n    var _proto = LineStream.prototype;\n\n    _proto.push = function push(data) {\n      var nextNewline;\n      this.buffer += data;\n      nextNewline = this.buffer.indexOf('\\n');\n\n      for (; nextNewline > -1; nextNewline = this.buffer.indexOf('\\n')) {\n        this.trigger('data', this.buffer.substring(0, nextNewline));\n        this.buffer = this.buffer.substring(nextNewline + 1);\n      }\n    };\n\n    return LineStream;\n  }(Stream);\n  /**\n   * \"forgiving\" attribute list psuedo-grammar:\n   * attributes -> keyvalue (',' keyvalue)*\n   * keyvalue   -> key '=' value\n   * key        -> [^=]*\n   * value      -> '\"' [^\"]* '\"' | [^,]*\n   */\n\n\n  var attributeSeparator = function attributeSeparator() {\n    var key = '[^=]*';\n    var value = '\"[^\"]*\"|[^,]*';\n    var keyvalue = '(?:' + key + ')=(?:' + value + ')';\n    return new RegExp('(?:^|,)(' + keyvalue + ')');\n  };\n  /**\n   * Parse attributes from a line given the separator\n   *\n   * @param {string} attributes the attribute line to parse\n   */\n\n\n  var parseAttributes = function parseAttributes(attributes) {\n    // split the string using attributes as the separator\n    var attrs = attributes.split(attributeSeparator());\n    var result = {};\n    var i = attrs.length;\n    var attr;\n\n    while (i--) {\n      // filter out unmatched portions of the string\n      if (attrs[i] === '') {\n        continue;\n      } // split the key and value\n\n\n      attr = /([^=]*)=(.*)/.exec(attrs[i]).slice(1); // trim whitespace and remove optional quotes around the value\n\n      attr[0] = attr[0].replace(/^\\s+|\\s+$/g, '');\n      attr[1] = attr[1].replace(/^\\s+|\\s+$/g, '');\n      attr[1] = attr[1].replace(/^['\"](.*)['\"]$/g, '$1');\n      result[attr[0]] = attr[1];\n    }\n\n    return result;\n  };\n  /**\n   * A line-level M3U8 parser event stream. It expects to receive input one\n   * line at a time and performs a context-free parse of its contents. A stream\n   * interpretation of a manifest can be useful if the manifest is expected to\n   * be too large to fit comfortably into memory or the entirety of the input\n   * is not immediately available. Otherwise, it's probably much easier to work\n   * with a regular `Parser` object.\n   *\n   * Produces `data` events with an object that captures the parser's\n   * interpretation of the input. That object has a property `tag` that is one\n   * of `uri`, `comment`, or `tag`. URIs only have a single additional\n   * property, `line`, which captures the entirety of the input without\n   * interpretation. Comments similarly have a single additional property\n   * `text` which is the input without the leading `#`.\n   *\n   * Tags always have a property `tagType` which is the lower-cased version of\n   * the M3U8 directive without the `#EXT` or `#EXT-X-` prefix. For instance,\n   * `#EXT-X-MEDIA-SEQUENCE` becomes `media-sequence` when parsed. Unrecognized\n   * tags are given the tag type `unknown` and a single additional property\n   * `data` with the remainder of the input.\n   *\n   * @class ParseStream\n   * @extends Stream\n   */\n\n\n  var ParseStream = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(ParseStream, _Stream);\n\n    function ParseStream() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.customParsers = [];\n      _this.tagMappers = [];\n      return _this;\n    }\n    /**\n     * Parses an additional line of input.\n     *\n     * @param {string} line a single line of an M3U8 file to parse\n     */\n\n\n    var _proto = ParseStream.prototype;\n\n    _proto.push = function push(line) {\n      var _this2 = this;\n\n      var match;\n      var event; // strip whitespace\n\n      line = line.trim();\n\n      if (line.length === 0) {\n        // ignore empty lines\n        return;\n      } // URIs\n\n\n      if (line[0] !== '#') {\n        this.trigger('data', {\n          type: 'uri',\n          uri: line\n        });\n        return;\n      } // map tags\n\n\n      var newLines = this.tagMappers.reduce(function (acc, mapper) {\n        var mappedLine = mapper(line); // skip if unchanged\n\n        if (mappedLine === line) {\n          return acc;\n        }\n\n        return acc.concat([mappedLine]);\n      }, [line]);\n      newLines.forEach(function (newLine) {\n        for (var i = 0; i < _this2.customParsers.length; i++) {\n          if (_this2.customParsers[i].call(_this2, newLine)) {\n            return;\n          }\n        } // Comments\n\n\n        if (newLine.indexOf('#EXT') !== 0) {\n          _this2.trigger('data', {\n            type: 'comment',\n            text: newLine.slice(1)\n          });\n\n          return;\n        } // strip off any carriage returns here so the regex matching\n        // doesn't have to account for them.\n\n\n        newLine = newLine.replace('\\r', ''); // Tags\n\n        match = /^#EXTM3U/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'm3u'\n          });\n\n          return;\n        }\n\n        match = /^#EXTINF:?([0-9\\.]*)?,?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'inf'\n          };\n\n          if (match[1]) {\n            event.duration = parseFloat(match[1]);\n          }\n\n          if (match[2]) {\n            event.title = match[2];\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-TARGETDURATION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'targetduration'\n          };\n\n          if (match[1]) {\n            event.duration = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#ZEN-TOTAL-DURATION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'totalduration'\n          };\n\n          if (match[1]) {\n            event.duration = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-VERSION:?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'version'\n          };\n\n          if (match[1]) {\n            event.version = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MEDIA-SEQUENCE:?(\\-?[0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'media-sequence'\n          };\n\n          if (match[1]) {\n            event.number = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-DISCONTINUITY-SEQUENCE:?(\\-?[0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'discontinuity-sequence'\n          };\n\n          if (match[1]) {\n            event.number = parseInt(match[1], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-PLAYLIST-TYPE:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'playlist-type'\n          };\n\n          if (match[1]) {\n            event.playlistType = match[1];\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-BYTERANGE:?([0-9.]*)?@?([0-9.]*)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'byterange'\n          };\n\n          if (match[1]) {\n            event.length = parseInt(match[1], 10);\n          }\n\n          if (match[2]) {\n            event.offset = parseInt(match[2], 10);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-ALLOW-CACHE:?(YES|NO)?/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'allow-cache'\n          };\n\n          if (match[1]) {\n            event.allowed = !/NO/.test(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MAP:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'map'\n          };\n\n          if (match[1]) {\n            var attributes = parseAttributes(match[1]);\n\n            if (attributes.URI) {\n              event.uri = attributes.URI;\n            }\n\n            if (attributes.BYTERANGE) {\n              var _attributes$BYTERANGE = attributes.BYTERANGE.split('@'),\n                  length = _attributes$BYTERANGE[0],\n                  offset = _attributes$BYTERANGE[1];\n\n              event.byterange = {};\n\n              if (length) {\n                event.byterange.length = parseInt(length, 10);\n              }\n\n              if (offset) {\n                event.byterange.offset = parseInt(offset, 10);\n              }\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-STREAM-INF:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'stream-inf'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n\n            if (event.attributes.RESOLUTION) {\n              var split = event.attributes.RESOLUTION.split('x');\n              var resolution = {};\n\n              if (split[0]) {\n                resolution.width = parseInt(split[0], 10);\n              }\n\n              if (split[1]) {\n                resolution.height = parseInt(split[1], 10);\n              }\n\n              event.attributes.RESOLUTION = resolution;\n            }\n\n            if (event.attributes.BANDWIDTH) {\n              event.attributes.BANDWIDTH = parseInt(event.attributes.BANDWIDTH, 10);\n            }\n\n            if (event.attributes['PROGRAM-ID']) {\n              event.attributes['PROGRAM-ID'] = parseInt(event.attributes['PROGRAM-ID'], 10);\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-MEDIA:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'media'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-ENDLIST/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'endlist'\n          });\n\n          return;\n        }\n\n        match = /^#EXT-X-DISCONTINUITY/.exec(newLine);\n\n        if (match) {\n          _this2.trigger('data', {\n            type: 'tag',\n            tagType: 'discontinuity'\n          });\n\n          return;\n        }\n\n        match = /^#EXT-X-PROGRAM-DATE-TIME:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'program-date-time'\n          };\n\n          if (match[1]) {\n            event.dateTimeString = match[1];\n            event.dateTimeObject = new Date(match[1]);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-KEY:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'key'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]); // parse the IV string into a Uint32Array\n\n            if (event.attributes.IV) {\n              if (event.attributes.IV.substring(0, 2).toLowerCase() === '0x') {\n                event.attributes.IV = event.attributes.IV.substring(2);\n              }\n\n              event.attributes.IV = event.attributes.IV.match(/.{8}/g);\n              event.attributes.IV[0] = parseInt(event.attributes.IV[0], 16);\n              event.attributes.IV[1] = parseInt(event.attributes.IV[1], 16);\n              event.attributes.IV[2] = parseInt(event.attributes.IV[2], 16);\n              event.attributes.IV[3] = parseInt(event.attributes.IV[3], 16);\n              event.attributes.IV = new Uint32Array(event.attributes.IV);\n            }\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-START:?(.*)$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'start'\n          };\n\n          if (match[1]) {\n            event.attributes = parseAttributes(match[1]);\n            event.attributes['TIME-OFFSET'] = parseFloat(event.attributes['TIME-OFFSET']);\n            event.attributes.PRECISE = /YES/.test(event.attributes.PRECISE);\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-OUT-CONT:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-out-cont'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-OUT:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-out'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        }\n\n        match = /^#EXT-X-CUE-IN:?(.*)?$/.exec(newLine);\n\n        if (match) {\n          event = {\n            type: 'tag',\n            tagType: 'cue-in'\n          };\n\n          if (match[1]) {\n            event.data = match[1];\n          } else {\n            event.data = '';\n          }\n\n          _this2.trigger('data', event);\n\n          return;\n        } // unknown tag type\n\n\n        _this2.trigger('data', {\n          type: 'tag',\n          data: newLine.slice(4)\n        });\n      });\n    }\n    /**\n     * Add a parser for custom headers\n     *\n     * @param {Object}   options              a map of options for the added parser\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {string}   options.customType   the custom type to register to the output\n     * @param {Function} [options.dataParser] function to parse the line into an object\n     * @param {boolean}  [options.segment]    should tag data be attached to the segment object\n     */\n    ;\n\n    _proto.addParser = function addParser(_ref) {\n      var _this3 = this;\n\n      var expression = _ref.expression,\n          customType = _ref.customType,\n          dataParser = _ref.dataParser,\n          segment = _ref.segment;\n\n      if (typeof dataParser !== 'function') {\n        dataParser = function dataParser(line) {\n          return line;\n        };\n      }\n\n      this.customParsers.push(function (line) {\n        var match = expression.exec(line);\n\n        if (match) {\n          _this3.trigger('data', {\n            type: 'custom',\n            data: dataParser(line),\n            customType: customType,\n            segment: segment\n          });\n\n          return true;\n        }\n      });\n    }\n    /**\n     * Add a custom header mapper\n     *\n     * @param {Object}   options\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {Function} options.map          function to translate tag into a different tag\n     */\n    ;\n\n    _proto.addTagMapper = function addTagMapper(_ref2) {\n      var expression = _ref2.expression,\n          map = _ref2.map;\n\n      var mapFn = function mapFn(line) {\n        if (expression.test(line)) {\n          return map(line);\n        }\n\n        return line;\n      };\n\n      this.tagMappers.push(mapFn);\n    };\n\n    return ParseStream;\n  }(Stream);\n\n  function decodeB64ToUint8Array(b64Text) {\n    var decodedString = window$3.atob(b64Text || '');\n    var array = new Uint8Array(decodedString.length);\n\n    for (var i = 0; i < decodedString.length; i++) {\n      array[i] = decodedString.charCodeAt(i);\n    }\n\n    return array;\n  }\n  /**\n   * A parser for M3U8 files. The current interpretation of the input is\n   * exposed as a property `manifest` on parser objects. It's just two lines to\n   * create and parse a manifest once you have the contents available as a string:\n   *\n   * ```js\n   * var parser = new m3u8.Parser();\n   * parser.push(xhr.responseText);\n   * ```\n   *\n   * New input can later be applied to update the manifest object by calling\n   * `push` again.\n   *\n   * The parser attempts to create a usable manifest object even if the\n   * underlying input is somewhat nonsensical. It emits `info` and `warning`\n   * events during the parse if it encounters input that seems invalid or\n   * requires some property of the manifest object to be defaulted.\n   *\n   * @class Parser\n   * @extends Stream\n   */\n\n\n  var Parser = /*#__PURE__*/function (_Stream) {\n    _inheritsLoose$1(Parser, _Stream);\n\n    function Parser() {\n      var _this;\n\n      _this = _Stream.call(this) || this;\n      _this.lineStream = new LineStream();\n      _this.parseStream = new ParseStream();\n\n      _this.lineStream.pipe(_this.parseStream);\n      /* eslint-disable consistent-this */\n\n\n      var self = _assertThisInitialized$1(_this);\n      /* eslint-enable consistent-this */\n\n\n      var uris = [];\n      var currentUri = {}; // if specified, the active EXT-X-MAP definition\n\n      var currentMap; // if specified, the active decryption key\n\n      var _key;\n\n      var noop = function noop() {};\n\n      var defaultMediaGroups = {\n        'AUDIO': {},\n        'VIDEO': {},\n        'CLOSED-CAPTIONS': {},\n        'SUBTITLES': {}\n      }; // This is the Widevine UUID from DASH IF IOP. The same exact string is\n      // used in MPDs with Widevine encrypted streams.\n\n      var widevineUuid = 'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed'; // group segments into numbered timelines delineated by discontinuities\n\n      var currentTimeline = 0; // the manifest is empty until the parse stream begins delivering data\n\n      _this.manifest = {\n        allowCache: true,\n        discontinuityStarts: [],\n        segments: []\n      }; // update the manifest with the m3u8 entry from the parse stream\n\n      _this.parseStream.on('data', function (entry) {\n        var mediaGroup;\n        var rendition;\n        ({\n          tag: function tag() {\n            // switch based on the tag type\n            (({\n              'allow-cache': function allowCache() {\n                this.manifest.allowCache = entry.allowed;\n\n                if (!('allowed' in entry)) {\n                  this.trigger('info', {\n                    message: 'defaulting allowCache to YES'\n                  });\n                  this.manifest.allowCache = true;\n                }\n              },\n              byterange: function byterange() {\n                var byterange = {};\n\n                if ('length' in entry) {\n                  currentUri.byterange = byterange;\n                  byterange.length = entry.length;\n\n                  if (!('offset' in entry)) {\n                    this.trigger('info', {\n                      message: 'defaulting offset to zero'\n                    });\n                    entry.offset = 0;\n                  }\n                }\n\n                if ('offset' in entry) {\n                  currentUri.byterange = byterange;\n                  byterange.offset = entry.offset;\n                }\n              },\n              endlist: function endlist() {\n                this.manifest.endList = true;\n              },\n              inf: function inf() {\n                if (!('mediaSequence' in this.manifest)) {\n                  this.manifest.mediaSequence = 0;\n                  this.trigger('info', {\n                    message: 'defaulting media sequence to zero'\n                  });\n                }\n\n                if (!('discontinuitySequence' in this.manifest)) {\n                  this.manifest.discontinuitySequence = 0;\n                  this.trigger('info', {\n                    message: 'defaulting discontinuity sequence to zero'\n                  });\n                }\n\n                if (entry.duration > 0) {\n                  currentUri.duration = entry.duration;\n                }\n\n                if (entry.duration === 0) {\n                  currentUri.duration = 0.01;\n                  this.trigger('info', {\n                    message: 'updating zero segment duration to a small value'\n                  });\n                }\n\n                this.manifest.segments = uris;\n              },\n              key: function key() {\n                if (!entry.attributes) {\n                  this.trigger('warn', {\n                    message: 'ignoring key declaration without attribute list'\n                  });\n                  return;\n                } // clear the active encryption key\n\n\n                if (entry.attributes.METHOD === 'NONE') {\n                  _key = null;\n                  return;\n                }\n\n                if (!entry.attributes.URI) {\n                  this.trigger('warn', {\n                    message: 'ignoring key declaration without URI'\n                  });\n                  return;\n                } // check if the content is encrypted for Widevine\n                // Widevine/HLS spec: https://storage.googleapis.com/wvdocs/Widevine_DRM_HLS.pdf\n\n\n                if (entry.attributes.KEYFORMAT === widevineUuid) {\n                  var VALID_METHODS = ['SAMPLE-AES', 'SAMPLE-AES-CTR', 'SAMPLE-AES-CENC'];\n\n                  if (VALID_METHODS.indexOf(entry.attributes.METHOD) === -1) {\n                    this.trigger('warn', {\n                      message: 'invalid key method provided for Widevine'\n                    });\n                    return;\n                  }\n\n                  if (entry.attributes.METHOD === 'SAMPLE-AES-CENC') {\n                    this.trigger('warn', {\n                      message: 'SAMPLE-AES-CENC is deprecated, please use SAMPLE-AES-CTR instead'\n                    });\n                  }\n\n                  if (entry.attributes.URI.substring(0, 23) !== 'data:text/plain;base64,') {\n                    this.trigger('warn', {\n                      message: 'invalid key URI provided for Widevine'\n                    });\n                    return;\n                  }\n\n                  if (!(entry.attributes.KEYID && entry.attributes.KEYID.substring(0, 2) === '0x')) {\n                    this.trigger('warn', {\n                      message: 'invalid key ID provided for Widevine'\n                    });\n                    return;\n                  } // if Widevine key attributes are valid, store them as `contentProtection`\n                  // on the manifest to emulate Widevine tag structure in a DASH mpd\n\n\n                  this.manifest.contentProtection = {\n                    'com.widevine.alpha': {\n                      attributes: {\n                        schemeIdUri: entry.attributes.KEYFORMAT,\n                        // remove '0x' from the key id string\n                        keyId: entry.attributes.KEYID.substring(2)\n                      },\n                      // decode the base64-encoded PSSH box\n                      pssh: decodeB64ToUint8Array(entry.attributes.URI.split(',')[1])\n                    }\n                  };\n                  return;\n                }\n\n                if (!entry.attributes.METHOD) {\n                  this.trigger('warn', {\n                    message: 'defaulting key method to AES-128'\n                  });\n                } // setup an encryption key for upcoming segments\n\n\n                _key = {\n                  method: entry.attributes.METHOD || 'AES-128',\n                  uri: entry.attributes.URI\n                };\n\n                if (typeof entry.attributes.IV !== 'undefined') {\n                  _key.iv = entry.attributes.IV;\n                }\n              },\n              'media-sequence': function mediaSequence() {\n                if (!isFinite(entry.number)) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid media sequence: ' + entry.number\n                  });\n                  return;\n                }\n\n                this.manifest.mediaSequence = entry.number;\n              },\n              'discontinuity-sequence': function discontinuitySequence() {\n                if (!isFinite(entry.number)) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid discontinuity sequence: ' + entry.number\n                  });\n                  return;\n                }\n\n                this.manifest.discontinuitySequence = entry.number;\n                currentTimeline = entry.number;\n              },\n              'playlist-type': function playlistType() {\n                if (!/VOD|EVENT/.test(entry.playlistType)) {\n                  this.trigger('warn', {\n                    message: 'ignoring unknown playlist type: ' + entry.playlist\n                  });\n                  return;\n                }\n\n                this.manifest.playlistType = entry.playlistType;\n              },\n              map: function map() {\n                currentMap = {};\n\n                if (entry.uri) {\n                  currentMap.uri = entry.uri;\n                }\n\n                if (entry.byterange) {\n                  currentMap.byterange = entry.byterange;\n                }\n              },\n              'stream-inf': function streamInf() {\n                this.manifest.playlists = uris;\n                this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;\n\n                if (!entry.attributes) {\n                  this.trigger('warn', {\n                    message: 'ignoring empty stream-inf attributes'\n                  });\n                  return;\n                }\n\n                if (!currentUri.attributes) {\n                  currentUri.attributes = {};\n                }\n\n                _extends(currentUri.attributes, entry.attributes);\n              },\n              media: function media() {\n                this.manifest.mediaGroups = this.manifest.mediaGroups || defaultMediaGroups;\n\n                if (!(entry.attributes && entry.attributes.TYPE && entry.attributes['GROUP-ID'] && entry.attributes.NAME)) {\n                  this.trigger('warn', {\n                    message: 'ignoring incomplete or missing media group'\n                  });\n                  return;\n                } // find the media group, creating defaults as necessary\n\n\n                var mediaGroupType = this.manifest.mediaGroups[entry.attributes.TYPE];\n                mediaGroupType[entry.attributes['GROUP-ID']] = mediaGroupType[entry.attributes['GROUP-ID']] || {};\n                mediaGroup = mediaGroupType[entry.attributes['GROUP-ID']]; // collect the rendition metadata\n\n                rendition = {\n                  \"default\": /yes/i.test(entry.attributes.DEFAULT)\n                };\n\n                if (rendition[\"default\"]) {\n                  rendition.autoselect = true;\n                } else {\n                  rendition.autoselect = /yes/i.test(entry.attributes.AUTOSELECT);\n                }\n\n                if (entry.attributes.LANGUAGE) {\n                  rendition.language = entry.attributes.LANGUAGE;\n                }\n\n                if (entry.attributes.URI) {\n                  rendition.uri = entry.attributes.URI;\n                }\n\n                if (entry.attributes['INSTREAM-ID']) {\n                  rendition.instreamId = entry.attributes['INSTREAM-ID'];\n                }\n\n                if (entry.attributes.CHARACTERISTICS) {\n                  rendition.characteristics = entry.attributes.CHARACTERISTICS;\n                }\n\n                if (entry.attributes.FORCED) {\n                  rendition.forced = /yes/i.test(entry.attributes.FORCED);\n                } // insert the new rendition\n\n\n                mediaGroup[entry.attributes.NAME] = rendition;\n              },\n              discontinuity: function discontinuity() {\n                currentTimeline += 1;\n                currentUri.discontinuity = true;\n                this.manifest.discontinuityStarts.push(uris.length);\n              },\n              'program-date-time': function programDateTime() {\n                if (typeof this.manifest.dateTimeString === 'undefined') {\n                  // PROGRAM-DATE-TIME is a media-segment tag, but for backwards\n                  // compatibility, we add the first occurence of the PROGRAM-DATE-TIME tag\n                  // to the manifest object\n                  // TODO: Consider removing this in future major version\n                  this.manifest.dateTimeString = entry.dateTimeString;\n                  this.manifest.dateTimeObject = entry.dateTimeObject;\n                }\n\n                currentUri.dateTimeString = entry.dateTimeString;\n                currentUri.dateTimeObject = entry.dateTimeObject;\n              },\n              targetduration: function targetduration() {\n                if (!isFinite(entry.duration) || entry.duration < 0) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid target duration: ' + entry.duration\n                  });\n                  return;\n                }\n\n                this.manifest.targetDuration = entry.duration;\n              },\n              totalduration: function totalduration() {\n                if (!isFinite(entry.duration) || entry.duration < 0) {\n                  this.trigger('warn', {\n                    message: 'ignoring invalid total duration: ' + entry.duration\n                  });\n                  return;\n                }\n\n                this.manifest.totalDuration = entry.duration;\n              },\n              start: function start() {\n                if (!entry.attributes || isNaN(entry.attributes['TIME-OFFSET'])) {\n                  this.trigger('warn', {\n                    message: 'ignoring start declaration without appropriate attribute list'\n                  });\n                  return;\n                }\n\n                this.manifest.start = {\n                  timeOffset: entry.attributes['TIME-OFFSET'],\n                  precise: entry.attributes.PRECISE\n                };\n              },\n              'cue-out': function cueOut() {\n                currentUri.cueOut = entry.data;\n              },\n              'cue-out-cont': function cueOutCont() {\n                currentUri.cueOutCont = entry.data;\n              },\n              'cue-in': function cueIn() {\n                currentUri.cueIn = entry.data;\n              }\n            })[entry.tagType] || noop).call(self);\n          },\n          uri: function uri() {\n            currentUri.uri = entry.uri;\n            uris.push(currentUri); // if no explicit duration was declared, use the target duration\n\n            if (this.manifest.targetDuration && !('duration' in currentUri)) {\n              this.trigger('warn', {\n                message: 'defaulting segment duration to the target duration'\n              });\n              currentUri.duration = this.manifest.targetDuration;\n            } // annotate with encryption information, if necessary\n\n\n            if (_key) {\n              currentUri.key = _key;\n            }\n\n            currentUri.timeline = currentTimeline; // annotate with initialization segment information, if necessary\n\n            if (currentMap) {\n              currentUri.map = currentMap;\n            } // prepare for the next URI\n\n\n            currentUri = {};\n          },\n          comment: function comment() {// comments are not important for playback\n          },\n          custom: function custom() {\n            // if this is segment-level data attach the output to the segment\n            if (entry.segment) {\n              currentUri.custom = currentUri.custom || {};\n              currentUri.custom[entry.customType] = entry.data; // if this is manifest-level data attach to the top level manifest object\n            } else {\n              this.manifest.custom = this.manifest.custom || {};\n              this.manifest.custom[entry.customType] = entry.data;\n            }\n          }\n        })[entry.type].call(self);\n      });\n\n      return _this;\n    }\n    /**\n     * Parse the input string and update the manifest object.\n     *\n     * @param {string} chunk a potentially incomplete portion of the manifest\n     */\n\n\n    var _proto = Parser.prototype;\n\n    _proto.push = function push(chunk) {\n      this.lineStream.push(chunk);\n    }\n    /**\n     * Flush any remaining input. This can be handy if the last line of an M3U8\n     * manifest did not contain a trailing newline but the file has been\n     * completely received.\n     */\n    ;\n\n    _proto.end = function end() {\n      // flush any buffered input\n      this.lineStream.push('\\n');\n    }\n    /**\n     * Add an additional parser for non-standard tags\n     *\n     * @param {Object}   options              a map of options for the added parser\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {string}   options.type         the type to register to the output\n     * @param {Function} [options.dataParser] function to parse the line into an object\n     * @param {boolean}  [options.segment]    should tag data be attached to the segment object\n     */\n    ;\n\n    _proto.addParser = function addParser(options) {\n      this.parseStream.addParser(options);\n    }\n    /**\n     * Add a custom header mapper\n     *\n     * @param {Object}   options\n     * @param {RegExp}   options.expression   a regular expression to match the custom header\n     * @param {Function} options.map          function to translate tag into a different tag\n     */\n    ;\n\n    _proto.addTagMapper = function addTagMapper(options) {\n      this.parseStream.addTagMapper(options);\n    };\n\n    return Parser;\n  }(Stream);\n\n  function _interopDefault(ex) {\n    return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n  }\n\n  var URLToolkit = _interopDefault(urlToolkit);\n\n  var window$1 = _interopDefault(window$3);\n\n  var resolveUrl = function resolveUrl(baseUrl, relativeUrl) {\n    // return early if we don't need to resolve\n    if (/^[a-z]+:/i.test(relativeUrl)) {\n      return relativeUrl;\n    } // if the base URL is relative then combine with the current location\n\n\n    if (!/\\/\\//i.test(baseUrl)) {\n      baseUrl = URLToolkit.buildAbsoluteURL(window$1.location && window$1.location.href || '', baseUrl);\n    }\n\n    return URLToolkit.buildAbsoluteURL(baseUrl, relativeUrl);\n  };\n\n  var resolveUrl_1 = resolveUrl;\n\n  function _interopDefault$1(ex) {\n    return ex && typeof ex === 'object' && 'default' in ex ? ex['default'] : ex;\n  }\n\n  var window$2 = _interopDefault$1(window$3);\n\n  var atob = function atob(s) {\n    return window$2.atob ? window$2.atob(s) : Buffer.from(s, 'base64').toString('binary');\n  };\n\n  function decodeB64ToUint8Array$1(b64Text) {\n    var decodedString = atob(b64Text);\n    var array = new Uint8Array(decodedString.length);\n\n    for (var i = 0; i < decodedString.length; i++) {\n      array[i] = decodedString.charCodeAt(i);\n    }\n\n    return array;\n  }\n\n  var decodeB64ToUint8Array_1 = decodeB64ToUint8Array$1;\n\n  //[4]   \tNameStartChar\t   ::=   \t\":\" | [A-Z] | \"_\" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]\n  //[4a]   \tNameChar\t   ::=   \tNameStartChar | \"-\" | \".\" | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]\n  //[5]   \tName\t   ::=   \tNameStartChar (NameChar)*\n  var nameStartChar = /[A-Z_a-z\\xC0-\\xD6\\xD8-\\xF6\\u00F8-\\u02FF\\u0370-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD]/; //\\u10000-\\uEFFFF\n\n  var nameChar = new RegExp(\"[\\\\-\\\\.0-9\" + nameStartChar.source.slice(1, -1) + \"\\\\u00B7\\\\u0300-\\\\u036F\\\\u203F-\\\\u2040]\");\n  var tagNamePattern = new RegExp('^' + nameStartChar.source + nameChar.source + '*(?:\\:' + nameStartChar.source + nameChar.source + '*)?$'); //var tagNamePattern = /^[a-zA-Z_][\\w\\-\\.]*(?:\\:[a-zA-Z_][\\w\\-\\.]*)?$/\n  //var handlers = 'resolveEntity,getExternalSubset,characters,endDocument,endElement,endPrefixMapping,ignorableWhitespace,processingInstruction,setDocumentLocator,skippedEntity,startDocument,startElement,startPrefixMapping,notationDecl,unparsedEntityDecl,error,fatalError,warning,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,comment,endCDATA,endDTD,endEntity,startCDATA,startDTD,startEntity'.split(',')\n  //S_TAG,\tS_ATTR,\tS_EQ,\tS_ATTR_NOQUOT_VALUE\n  //S_ATTR_SPACE,\tS_ATTR_END,\tS_TAG_SPACE, S_TAG_CLOSE\n\n  var S_TAG = 0; //tag name offerring\n\n  var S_ATTR = 1; //attr name offerring\n\n  var S_ATTR_SPACE = 2; //attr name end and space offer\n\n  var S_EQ = 3; //=space?\n\n  var S_ATTR_NOQUOT_VALUE = 4; //attr value(no quot value only)\n\n  var S_ATTR_END = 5; //attr value end and no space(quot end)\n\n  var S_TAG_SPACE = 6; //(attr value end || tag end ) && (space offer)\n\n  var S_TAG_CLOSE = 7; //closed el<el />\n\n  function XMLReader() {}\n\n  XMLReader.prototype = {\n    parse: function parse(source, defaultNSMap, entityMap) {\n      var domBuilder = this.domBuilder;\n      domBuilder.startDocument();\n\n      _copy(defaultNSMap, defaultNSMap = {});\n\n      _parse(source, defaultNSMap, entityMap, domBuilder, this.errorHandler);\n\n      domBuilder.endDocument();\n    }\n  };\n\n  function _parse(source, defaultNSMapCopy, entityMap, domBuilder, errorHandler) {\n    function fixedFromCharCode(code) {\n      // String.prototype.fromCharCode does not supports\n      // > 2 bytes unicode chars directly\n      if (code > 0xffff) {\n        code -= 0x10000;\n        var surrogate1 = 0xd800 + (code >> 10),\n            surrogate2 = 0xdc00 + (code & 0x3ff);\n        return String.fromCharCode(surrogate1, surrogate2);\n      } else {\n        return String.fromCharCode(code);\n      }\n    }\n\n    function entityReplacer(a) {\n      var k = a.slice(1, -1);\n\n      if (k in entityMap) {\n        return entityMap[k];\n      } else if (k.charAt(0) === '#') {\n        return fixedFromCharCode(parseInt(k.substr(1).replace('x', '0x')));\n      } else {\n        errorHandler.error('entity not found:' + a);\n        return a;\n      }\n    }\n\n    function appendText(end) {\n      //has some bugs\n      if (end > start) {\n        var xt = source.substring(start, end).replace(/&#?\\w+;/g, entityReplacer);\n        locator && position(start);\n        domBuilder.characters(xt, 0, end - start);\n        start = end;\n      }\n    }\n\n    function position(p, m) {\n      while (p >= lineEnd && (m = linePattern.exec(source))) {\n        lineStart = m.index;\n        lineEnd = lineStart + m[0].length;\n        locator.lineNumber++; //console.log('line++:',locator,startPos,endPos)\n      }\n\n      locator.columnNumber = p - lineStart + 1;\n    }\n\n    var lineStart = 0;\n    var lineEnd = 0;\n    var linePattern = /.*(?:\\r\\n?|\\n)|.*$/g;\n    var locator = domBuilder.locator;\n    var parseStack = [{\n      currentNSMap: defaultNSMapCopy\n    }];\n    var closeMap = {};\n    var start = 0;\n\n    while (true) {\n      try {\n        var tagStart = source.indexOf('<', start);\n\n        if (tagStart < 0) {\n          if (!source.substr(start).match(/^\\s*$/)) {\n            var doc = domBuilder.doc;\n            var text = doc.createTextNode(source.substr(start));\n            doc.appendChild(text);\n            domBuilder.currentElement = text;\n          }\n\n          return;\n        }\n\n        if (tagStart > start) {\n          appendText(tagStart);\n        }\n\n        switch (source.charAt(tagStart + 1)) {\n          case '/':\n            var end = source.indexOf('>', tagStart + 3);\n            var tagName = source.substring(tagStart + 2, end);\n            var config = parseStack.pop();\n\n            if (end < 0) {\n              tagName = source.substring(tagStart + 2).replace(/[\\s<].*/, ''); //console.error('#@@@@@@'+tagName)\n\n              errorHandler.error(\"end tag name: \" + tagName + ' is not complete:' + config.tagName);\n              end = tagStart + 1 + tagName.length;\n            } else if (tagName.match(/\\s</)) {\n              tagName = tagName.replace(/[\\s<].*/, '');\n              errorHandler.error(\"end tag name: \" + tagName + ' maybe not complete');\n              end = tagStart + 1 + tagName.length;\n            } //console.error(parseStack.length,parseStack)\n            //console.error(config);\n\n\n            var localNSMap = config.localNSMap;\n            var endMatch = config.tagName == tagName;\n            var endIgnoreCaseMach = endMatch || config.tagName && config.tagName.toLowerCase() == tagName.toLowerCase();\n\n            if (endIgnoreCaseMach) {\n              domBuilder.endElement(config.uri, config.localName, tagName);\n\n              if (localNSMap) {\n                for (var prefix in localNSMap) {\n                  domBuilder.endPrefixMapping(prefix);\n                }\n              }\n\n              if (!endMatch) {\n                errorHandler.fatalError(\"end tag name: \" + tagName + ' is not match the current start tagName:' + config.tagName);\n              }\n            } else {\n              parseStack.push(config);\n            }\n\n            end++;\n            break;\n          // end elment\n\n          case '?':\n            // <?...?>\n            locator && position(tagStart);\n            end = parseInstruction(source, tagStart, domBuilder);\n            break;\n\n          case '!':\n            // <!doctype,<![CDATA,<!--\n            locator && position(tagStart);\n            end = parseDCC(source, tagStart, domBuilder, errorHandler);\n            break;\n\n          default:\n            locator && position(tagStart);\n            var el = new ElementAttributes();\n            var currentNSMap = parseStack[parseStack.length - 1].currentNSMap; //elStartEnd\n\n            var end = parseElementStartPart(source, tagStart, el, currentNSMap, entityReplacer, errorHandler);\n            var len = el.length;\n\n            if (!el.closed && fixSelfClosed(source, end, el.tagName, closeMap)) {\n              el.closed = true;\n\n              if (!entityMap.nbsp) {\n                errorHandler.warning('unclosed xml attribute');\n              }\n            }\n\n            if (locator && len) {\n              var locator2 = copyLocator(locator, {}); //try{//attribute position fixed\n\n              for (var i = 0; i < len; i++) {\n                var a = el[i];\n                position(a.offset);\n                a.locator = copyLocator(locator, {});\n              } //}catch(e){console.error('@@@@@'+e)}\n\n\n              domBuilder.locator = locator2;\n\n              if (appendElement(el, domBuilder, currentNSMap)) {\n                parseStack.push(el);\n              }\n\n              domBuilder.locator = locator;\n            } else {\n              if (appendElement(el, domBuilder, currentNSMap)) {\n                parseStack.push(el);\n              }\n            }\n\n            if (el.uri === 'http://www.w3.org/1999/xhtml' && !el.closed) {\n              end = parseHtmlSpecialContent(source, end, el.tagName, entityReplacer, domBuilder);\n            } else {\n              end++;\n            }\n\n        }\n      } catch (e) {\n        errorHandler.error('element parse error: ' + e); //errorHandler.error('element parse error: '+e);\n\n        end = -1; //throw e;\n      }\n\n      if (end > start) {\n        start = end;\n      } else {\n        //TODO: 这里有可能sax回退，有位置错误风险\n        appendText(Math.max(tagStart, start) + 1);\n      }\n    }\n  }\n\n  function copyLocator(f, t) {\n    t.lineNumber = f.lineNumber;\n    t.columnNumber = f.columnNumber;\n    return t;\n  }\n  /**\n   * @see #appendElement(source,elStartEnd,el,selfClosed,entityReplacer,domBuilder,parseStack);\n   * @return end of the elementStartPart(end of elementEndPart for selfClosed el)\n   */\n\n\n  function parseElementStartPart(source, start, el, currentNSMap, entityReplacer, errorHandler) {\n    var attrName;\n    var value;\n    var p = ++start;\n    var s = S_TAG; //status\n\n    while (true) {\n      var c = source.charAt(p);\n\n      switch (c) {\n        case '=':\n          if (s === S_ATTR) {\n            //attrName\n            attrName = source.slice(start, p);\n            s = S_EQ;\n          } else if (s === S_ATTR_SPACE) {\n            s = S_EQ;\n          } else {\n            //fatalError: equal must after attrName or space after attrName\n            throw new Error('attribute equal must after attrName');\n          }\n\n          break;\n\n        case '\\'':\n        case '\"':\n          if (s === S_EQ || s === S_ATTR //|| s == S_ATTR_SPACE\n          ) {\n              //equal\n              if (s === S_ATTR) {\n                errorHandler.warning('attribute value must after \"=\"');\n                attrName = source.slice(start, p);\n              }\n\n              start = p + 1;\n              p = source.indexOf(c, start);\n\n              if (p > 0) {\n                value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer);\n                el.add(attrName, value, start - 1);\n                s = S_ATTR_END;\n              } else {\n                //fatalError: no end quot match\n                throw new Error('attribute value no end \\'' + c + '\\' match');\n              }\n            } else if (s == S_ATTR_NOQUOT_VALUE) {\n            value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer); //console.log(attrName,value,start,p)\n\n            el.add(attrName, value, start); //console.dir(el)\n\n            errorHandler.warning('attribute \"' + attrName + '\" missed start quot(' + c + ')!!');\n            start = p + 1;\n            s = S_ATTR_END;\n          } else {\n            //fatalError: no equal before\n            throw new Error('attribute value must after \"=\"');\n          }\n\n          break;\n\n        case '/':\n          switch (s) {\n            case S_TAG:\n              el.setTagName(source.slice(start, p));\n\n            case S_ATTR_END:\n            case S_TAG_SPACE:\n            case S_TAG_CLOSE:\n              s = S_TAG_CLOSE;\n              el.closed = true;\n\n            case S_ATTR_NOQUOT_VALUE:\n            case S_ATTR:\n            case S_ATTR_SPACE:\n              break;\n            //case S_EQ:\n\n            default:\n              throw new Error(\"attribute invalid close char('/')\");\n          }\n\n          break;\n\n        case '':\n          //end document\n          //throw new Error('unexpected end of input')\n          errorHandler.error('unexpected end of input');\n\n          if (s == S_TAG) {\n            el.setTagName(source.slice(start, p));\n          }\n\n          return p;\n\n        case '>':\n          switch (s) {\n            case S_TAG:\n              el.setTagName(source.slice(start, p));\n\n            case S_ATTR_END:\n            case S_TAG_SPACE:\n            case S_TAG_CLOSE:\n              break;\n            //normal\n\n            case S_ATTR_NOQUOT_VALUE: //Compatible state\n\n            case S_ATTR:\n              value = source.slice(start, p);\n\n              if (value.slice(-1) === '/') {\n                el.closed = true;\n                value = value.slice(0, -1);\n              }\n\n            case S_ATTR_SPACE:\n              if (s === S_ATTR_SPACE) {\n                value = attrName;\n              }\n\n              if (s == S_ATTR_NOQUOT_VALUE) {\n                errorHandler.warning('attribute \"' + value + '\" missed quot(\")!!');\n                el.add(attrName, value.replace(/&#?\\w+;/g, entityReplacer), start);\n              } else {\n                if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !value.match(/^(?:disabled|checked|selected)$/i)) {\n                  errorHandler.warning('attribute \"' + value + '\" missed value!! \"' + value + '\" instead!!');\n                }\n\n                el.add(value, value, start);\n              }\n\n              break;\n\n            case S_EQ:\n              throw new Error('attribute value missed!!');\n          } //\t\t\tconsole.log(tagName,tagNamePattern,tagNamePattern.test(tagName))\n\n\n          return p;\n\n        /*xml space '\\x20' | #x9 | #xD | #xA; */\n\n        case \"\\x80\":\n          c = ' ';\n\n        default:\n          if (c <= ' ') {\n            //space\n            switch (s) {\n              case S_TAG:\n                el.setTagName(source.slice(start, p)); //tagName\n\n                s = S_TAG_SPACE;\n                break;\n\n              case S_ATTR:\n                attrName = source.slice(start, p);\n                s = S_ATTR_SPACE;\n                break;\n\n              case S_ATTR_NOQUOT_VALUE:\n                var value = source.slice(start, p).replace(/&#?\\w+;/g, entityReplacer);\n                errorHandler.warning('attribute \"' + value + '\" missed quot(\")!!');\n                el.add(attrName, value, start);\n\n              case S_ATTR_END:\n                s = S_TAG_SPACE;\n                break;\n              //case S_TAG_SPACE:\n              //case S_EQ:\n              //case S_ATTR_SPACE:\n              //\tvoid();break;\n              //case S_TAG_CLOSE:\n              //ignore warning\n            }\n          } else {\n            //not space\n            //S_TAG,\tS_ATTR,\tS_EQ,\tS_ATTR_NOQUOT_VALUE\n            //S_ATTR_SPACE,\tS_ATTR_END,\tS_TAG_SPACE, S_TAG_CLOSE\n            switch (s) {\n              //case S_TAG:void();break;\n              //case S_ATTR:void();break;\n              //case S_ATTR_NOQUOT_VALUE:void();break;\n              case S_ATTR_SPACE:\n                var tagName = el.tagName;\n\n                if (currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !attrName.match(/^(?:disabled|checked|selected)$/i)) {\n                  errorHandler.warning('attribute \"' + attrName + '\" missed value!! \"' + attrName + '\" instead2!!');\n                }\n\n                el.add(attrName, attrName, start);\n                start = p;\n                s = S_ATTR;\n                break;\n\n              case S_ATTR_END:\n                errorHandler.warning('attribute space is required\"' + attrName + '\"!!');\n\n              case S_TAG_SPACE:\n                s = S_ATTR;\n                start = p;\n                break;\n\n              case S_EQ:\n                s = S_ATTR_NOQUOT_VALUE;\n                start = p;\n                break;\n\n              case S_TAG_CLOSE:\n                throw new Error(\"elements closed character '/' and '>' must be connected to\");\n            }\n          }\n\n      } //end outer switch\n      //console.log('p++',p)\n\n\n      p++;\n    }\n  }\n  /**\n   * @return true if has new namespace define\n   */\n\n\n  function appendElement(el, domBuilder, currentNSMap) {\n    var tagName = el.tagName;\n    var localNSMap = null; //var currentNSMap = parseStack[parseStack.length-1].currentNSMap;\n\n    var i = el.length;\n\n    while (i--) {\n      var a = el[i];\n      var qName = a.qName;\n      var value = a.value;\n      var nsp = qName.indexOf(':');\n\n      if (nsp > 0) {\n        var prefix = a.prefix = qName.slice(0, nsp);\n        var localName = qName.slice(nsp + 1);\n        var nsPrefix = prefix === 'xmlns' && localName;\n      } else {\n        localName = qName;\n        prefix = null;\n        nsPrefix = qName === 'xmlns' && '';\n      } //can not set prefix,because prefix !== ''\n\n\n      a.localName = localName; //prefix == null for no ns prefix attribute\n\n      if (nsPrefix !== false) {\n        //hack!!\n        if (localNSMap == null) {\n          localNSMap = {}; //console.log(currentNSMap,0)\n\n          _copy(currentNSMap, currentNSMap = {}); //console.log(currentNSMap,1)\n\n        }\n\n        currentNSMap[nsPrefix] = localNSMap[nsPrefix] = value;\n        a.uri = 'http://www.w3.org/2000/xmlns/';\n        domBuilder.startPrefixMapping(nsPrefix, value);\n      }\n    }\n\n    var i = el.length;\n\n    while (i--) {\n      a = el[i];\n      var prefix = a.prefix;\n\n      if (prefix) {\n        //no prefix attribute has no namespace\n        if (prefix === 'xml') {\n          a.uri = 'http://www.w3.org/XML/1998/namespace';\n        }\n\n        if (prefix !== 'xmlns') {\n          a.uri = currentNSMap[prefix || '']; //{console.log('###'+a.qName,domBuilder.locator.systemId+'',currentNSMap,a.uri)}\n        }\n      }\n    }\n\n    var nsp = tagName.indexOf(':');\n\n    if (nsp > 0) {\n      prefix = el.prefix = tagName.slice(0, nsp);\n      localName = el.localName = tagName.slice(nsp + 1);\n    } else {\n      prefix = null; //important!!\n\n      localName = el.localName = tagName;\n    } //no prefix element has default namespace\n\n\n    var ns = el.uri = currentNSMap[prefix || ''];\n    domBuilder.startElement(ns, localName, tagName, el); //endPrefixMapping and startPrefixMapping have not any help for dom builder\n    //localNSMap = null\n\n    if (el.closed) {\n      domBuilder.endElement(ns, localName, tagName);\n\n      if (localNSMap) {\n        for (prefix in localNSMap) {\n          domBuilder.endPrefixMapping(prefix);\n        }\n      }\n    } else {\n      el.currentNSMap = currentNSMap;\n      el.localNSMap = localNSMap; //parseStack.push(el);\n\n      return true;\n    }\n  }\n\n  function parseHtmlSpecialContent(source, elStartEnd, tagName, entityReplacer, domBuilder) {\n    if (/^(?:script|textarea)$/i.test(tagName)) {\n      var elEndStart = source.indexOf('</' + tagName + '>', elStartEnd);\n      var text = source.substring(elStartEnd + 1, elEndStart);\n\n      if (/[&<]/.test(text)) {\n        if (/^script$/i.test(tagName)) {\n          //if(!/\\]\\]>/.test(text)){\n          //lexHandler.startCDATA();\n          domBuilder.characters(text, 0, text.length); //lexHandler.endCDATA();\n\n          return elEndStart; //}\n        } //}else{//text area\n\n\n        text = text.replace(/&#?\\w+;/g, entityReplacer);\n        domBuilder.characters(text, 0, text.length);\n        return elEndStart; //}\n      }\n    }\n\n    return elStartEnd + 1;\n  }\n\n  function fixSelfClosed(source, elStartEnd, tagName, closeMap) {\n    //if(tagName in closeMap){\n    var pos = closeMap[tagName];\n\n    if (pos == null) {\n      //console.log(tagName)\n      pos = source.lastIndexOf('</' + tagName + '>');\n\n      if (pos < elStartEnd) {\n        //忘记闭合\n        pos = source.lastIndexOf('</' + tagName);\n      }\n\n      closeMap[tagName] = pos;\n    }\n\n    return pos < elStartEnd; //}\n  }\n\n  function _copy(source, target) {\n    for (var n in source) {\n      target[n] = source[n];\n    }\n  }\n\n  function parseDCC(source, start, domBuilder, errorHandler) {\n    //sure start with '<!'\n    var next = source.charAt(start + 2);\n\n    switch (next) {\n      case '-':\n        if (source.charAt(start + 3) === '-') {\n          var end = source.indexOf('-->', start + 4); //append comment source.substring(4,end)//<!--\n\n          if (end > start) {\n            domBuilder.comment(source, start + 4, end - start - 4);\n            return end + 3;\n          } else {\n            errorHandler.error(\"Unclosed comment\");\n            return -1;\n          }\n        } else {\n          //error\n          return -1;\n        }\n\n      default:\n        if (source.substr(start + 3, 6) == 'CDATA[') {\n          var end = source.indexOf(']]>', start + 9);\n          domBuilder.startCDATA();\n          domBuilder.characters(source, start + 9, end - start - 9);\n          domBuilder.endCDATA();\n          return end + 3;\n        } //<!DOCTYPE\n        //startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId)\n\n\n        var matchs = split(source, start);\n        var len = matchs.length;\n\n        if (len > 1 && /!doctype/i.test(matchs[0][0])) {\n          var name = matchs[1][0];\n          var pubid = len > 3 && /^public$/i.test(matchs[2][0]) && matchs[3][0];\n          var sysid = len > 4 && matchs[4][0];\n          var lastMatch = matchs[len - 1];\n          domBuilder.startDTD(name, pubid && pubid.replace(/^(['\"])(.*?)\\1$/, '$2'), sysid && sysid.replace(/^(['\"])(.*?)\\1$/, '$2'));\n          domBuilder.endDTD();\n          return lastMatch.index + lastMatch[0].length;\n        }\n\n    }\n\n    return -1;\n  }\n\n  function parseInstruction(source, start, domBuilder) {\n    var end = source.indexOf('?>', start);\n\n    if (end) {\n      var match = source.substring(start, end).match(/^<\\?(\\S*)\\s*([\\s\\S]*?)\\s*$/);\n\n      if (match) {\n        var len = match[0].length;\n        domBuilder.processingInstruction(match[1], match[2]);\n        return end + 2;\n      } else {\n        //error\n        return -1;\n      }\n    }\n\n    return -1;\n  }\n  /**\n   * @param source\n   */\n\n\n  function ElementAttributes(source) {}\n\n  ElementAttributes.prototype = {\n    setTagName: function setTagName(tagName) {\n      if (!tagNamePattern.test(tagName)) {\n        throw new Error('invalid tagName:' + tagName);\n      }\n\n      this.tagName = tagName;\n    },\n    add: function add(qName, value, offset) {\n      if (!tagNamePattern.test(qName)) {\n        throw new Error('invalid attribute:' + qName);\n      }\n\n      this[this.length++] = {\n        qName: qName,\n        value: value,\n        offset: offset\n      };\n    },\n    length: 0,\n    getLocalName: function getLocalName(i) {\n      return this[i].localName;\n    },\n    getLocator: function getLocator(i) {\n      return this[i].locator;\n    },\n    getQName: function getQName(i) {\n      return this[i].qName;\n    },\n    getURI: function getURI(i) {\n      return this[i].uri;\n    },\n    getValue: function getValue(i) {\n      return this[i].value;\n    } //\t,getIndex:function(uri, localName)){\n    //\t\tif(localName){\n    //\n    //\t\t}else{\n    //\t\t\tvar qName = uri\n    //\t\t}\n    //\t},\n    //\tgetValue:function(){return this.getValue(this.getIndex.apply(this,arguments))},\n    //\tgetType:function(uri,localName){}\n    //\tgetType:function(i){},\n\n  };\n\n  function _set_proto_(thiz, parent) {\n    thiz.__proto__ = parent;\n    return thiz;\n  }\n\n  if (!(_set_proto_({}, _set_proto_.prototype) instanceof _set_proto_)) {\n    _set_proto_ = function _set_proto_(thiz, parent) {\n      function p() {}\n      p.prototype = parent;\n      p = new p();\n\n      for (parent in thiz) {\n        p[parent] = thiz[parent];\n      }\n\n      return p;\n    };\n  }\n\n  function split(source, start) {\n    var match;\n    var buf = [];\n    var reg = /'[^']+'|\"[^\"]+\"|[^\\s<>\\/=]+=?|(\\/?\\s*>|<)/g;\n    reg.lastIndex = start;\n    reg.exec(source); //skip <\n\n    while (match = reg.exec(source)) {\n      buf.push(match);\n      if (match[1]) return buf;\n    }\n  }\n\n  var XMLReader_1 = XMLReader;\n  var sax = {\n    XMLReader: XMLReader_1\n  };\n\n  /*\n   * DOM Level 2\n   * Object DOMException\n   * @see http://www.w3.org/TR/REC-DOM-Level-1/ecma-script-language-binding.html\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html\n   */\n  function copy(src, dest) {\n    for (var p in src) {\n      dest[p] = src[p];\n    }\n  }\n  /**\n  ^\\w+\\.prototype\\.([_\\w]+)\\s*=\\s*((?:.*\\{\\s*?[\\r\\n][\\s\\S]*?^})|\\S.*?(?=[;\\r\\n]));?\n  ^\\w+\\.prototype\\.([_\\w]+)\\s*=\\s*(\\S.*?(?=[;\\r\\n]));?\n   */\n\n\n  function _extends$1(Class, Super) {\n    var pt = Class.prototype;\n\n    if (Object.create) {\n      var ppt = Object.create(Super.prototype);\n      pt.__proto__ = ppt;\n    }\n\n    if (!(pt instanceof Super)) {\n      var t = function t() {};\n      t.prototype = Super.prototype;\n      t = new t();\n      copy(pt, t);\n      Class.prototype = pt = t;\n    }\n\n    if (pt.constructor != Class) {\n      if (typeof Class != 'function') {\n        console.error(\"unknow Class:\" + Class);\n      }\n\n      pt.constructor = Class;\n    }\n  }\n\n  var htmlns = 'http://www.w3.org/1999/xhtml'; // Node Types\n\n  var NodeType = {};\n  var ELEMENT_NODE = NodeType.ELEMENT_NODE = 1;\n  var ATTRIBUTE_NODE = NodeType.ATTRIBUTE_NODE = 2;\n  var TEXT_NODE = NodeType.TEXT_NODE = 3;\n  var CDATA_SECTION_NODE = NodeType.CDATA_SECTION_NODE = 4;\n  var ENTITY_REFERENCE_NODE = NodeType.ENTITY_REFERENCE_NODE = 5;\n  var ENTITY_NODE = NodeType.ENTITY_NODE = 6;\n  var PROCESSING_INSTRUCTION_NODE = NodeType.PROCESSING_INSTRUCTION_NODE = 7;\n  var COMMENT_NODE = NodeType.COMMENT_NODE = 8;\n  var DOCUMENT_NODE = NodeType.DOCUMENT_NODE = 9;\n  var DOCUMENT_TYPE_NODE = NodeType.DOCUMENT_TYPE_NODE = 10;\n  var DOCUMENT_FRAGMENT_NODE = NodeType.DOCUMENT_FRAGMENT_NODE = 11;\n  var NOTATION_NODE = NodeType.NOTATION_NODE = 12; // ExceptionCode\n\n  var ExceptionCode = {};\n  var ExceptionMessage = {};\n  var INDEX_SIZE_ERR = ExceptionCode.INDEX_SIZE_ERR = (ExceptionMessage[1] = \"Index size error\", 1);\n  var DOMSTRING_SIZE_ERR = ExceptionCode.DOMSTRING_SIZE_ERR = (ExceptionMessage[2] = \"DOMString size error\", 2);\n  var HIERARCHY_REQUEST_ERR = ExceptionCode.HIERARCHY_REQUEST_ERR = (ExceptionMessage[3] = \"Hierarchy request error\", 3);\n  var WRONG_DOCUMENT_ERR = ExceptionCode.WRONG_DOCUMENT_ERR = (ExceptionMessage[4] = \"Wrong document\", 4);\n  var INVALID_CHARACTER_ERR = ExceptionCode.INVALID_CHARACTER_ERR = (ExceptionMessage[5] = \"Invalid character\", 5);\n  var NO_DATA_ALLOWED_ERR = ExceptionCode.NO_DATA_ALLOWED_ERR = (ExceptionMessage[6] = \"No data allowed\", 6);\n  var NO_MODIFICATION_ALLOWED_ERR = ExceptionCode.NO_MODIFICATION_ALLOWED_ERR = (ExceptionMessage[7] = \"No modification allowed\", 7);\n  var NOT_FOUND_ERR = ExceptionCode.NOT_FOUND_ERR = (ExceptionMessage[8] = \"Not found\", 8);\n  var NOT_SUPPORTED_ERR = ExceptionCode.NOT_SUPPORTED_ERR = (ExceptionMessage[9] = \"Not supported\", 9);\n  var INUSE_ATTRIBUTE_ERR = ExceptionCode.INUSE_ATTRIBUTE_ERR = (ExceptionMessage[10] = \"Attribute in use\", 10); //level2\n\n  var INVALID_STATE_ERR = ExceptionCode.INVALID_STATE_ERR = (ExceptionMessage[11] = \"Invalid state\", 11);\n  var SYNTAX_ERR = ExceptionCode.SYNTAX_ERR = (ExceptionMessage[12] = \"Syntax error\", 12);\n  var INVALID_MODIFICATION_ERR = ExceptionCode.INVALID_MODIFICATION_ERR = (ExceptionMessage[13] = \"Invalid modification\", 13);\n  var NAMESPACE_ERR = ExceptionCode.NAMESPACE_ERR = (ExceptionMessage[14] = \"Invalid namespace\", 14);\n  var INVALID_ACCESS_ERR = ExceptionCode.INVALID_ACCESS_ERR = (ExceptionMessage[15] = \"Invalid access\", 15);\n\n  function DOMException(code, message) {\n    if (message instanceof Error) {\n      var error = message;\n    } else {\n      error = this;\n      Error.call(this, ExceptionMessage[code]);\n      this.message = ExceptionMessage[code];\n      if (Error.captureStackTrace) Error.captureStackTrace(this, DOMException);\n    }\n\n    error.code = code;\n    if (message) this.message = this.message + \": \" + message;\n    return error;\n  }\n  DOMException.prototype = Error.prototype;\n  copy(ExceptionCode, DOMException);\n  /**\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-536297177\n   * The NodeList interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented. NodeList objects in the DOM are live.\n   * The items in the NodeList are accessible via an integral index, starting from 0.\n   */\n\n  function NodeList() {}\n  NodeList.prototype = {\n    /**\n     * The number of nodes in the list. The range of valid child node indices is 0 to length-1 inclusive.\n     * @standard level1\n     */\n    length: 0,\n\n    /**\n     * Returns the indexth item in the collection. If index is greater than or equal to the number of nodes in the list, this returns null.\n     * @standard level1\n     * @param index  unsigned long\n     *   Index into the collection.\n     * @return Node\n     * \tThe node at the indexth position in the NodeList, or null if that is not a valid index.\n     */\n    item: function item(index) {\n      return this[index] || null;\n    },\n    toString: function toString(isHTML, nodeFilter) {\n      for (var buf = [], i = 0; i < this.length; i++) {\n        serializeToString(this[i], buf, isHTML, nodeFilter);\n      }\n\n      return buf.join('');\n    }\n  };\n\n  function LiveNodeList(node, refresh) {\n    this._node = node;\n    this._refresh = refresh;\n\n    _updateLiveList(this);\n  }\n\n  function _updateLiveList(list) {\n    var inc = list._node._inc || list._node.ownerDocument._inc;\n\n    if (list._inc != inc) {\n      var ls = list._refresh(list._node); //console.log(ls.length)\n\n\n      __set__(list, 'length', ls.length);\n\n      copy(ls, list);\n      list._inc = inc;\n    }\n  }\n\n  LiveNodeList.prototype.item = function (i) {\n    _updateLiveList(this);\n\n    return this[i];\n  };\n\n  _extends$1(LiveNodeList, NodeList);\n  /**\n   *\n   * Objects implementing the NamedNodeMap interface are used to represent collections of nodes that can be accessed by name. Note that NamedNodeMap does not inherit from NodeList; NamedNodeMaps are not maintained in any particular order. Objects contained in an object implementing NamedNodeMap may also be accessed by an ordinal index, but this is simply to allow convenient enumeration of the contents of a NamedNodeMap, and does not imply that the DOM specifies an order to these Nodes.\n   * NamedNodeMap objects in the DOM are live.\n   * used for attributes or DocumentType entities\n   */\n\n\n  function NamedNodeMap() {}\n\n  function _findNodeIndex(list, node) {\n    var i = list.length;\n\n    while (i--) {\n      if (list[i] === node) {\n        return i;\n      }\n    }\n  }\n\n  function _addNamedNode(el, list, newAttr, oldAttr) {\n    if (oldAttr) {\n      list[_findNodeIndex(list, oldAttr)] = newAttr;\n    } else {\n      list[list.length++] = newAttr;\n    }\n\n    if (el) {\n      newAttr.ownerElement = el;\n      var doc = el.ownerDocument;\n\n      if (doc) {\n        oldAttr && _onRemoveAttribute(doc, el, oldAttr);\n\n        _onAddAttribute(doc, el, newAttr);\n      }\n    }\n  }\n\n  function _removeNamedNode(el, list, attr) {\n    //console.log('remove attr:'+attr)\n    var i = _findNodeIndex(list, attr);\n\n    if (i >= 0) {\n      var lastIndex = list.length - 1;\n\n      while (i < lastIndex) {\n        list[i] = list[++i];\n      }\n\n      list.length = lastIndex;\n\n      if (el) {\n        var doc = el.ownerDocument;\n\n        if (doc) {\n          _onRemoveAttribute(doc, el, attr);\n\n          attr.ownerElement = null;\n        }\n      }\n    } else {\n      throw DOMException(NOT_FOUND_ERR, new Error(el.tagName + '@' + attr));\n    }\n  }\n\n  NamedNodeMap.prototype = {\n    length: 0,\n    item: NodeList.prototype.item,\n    getNamedItem: function getNamedItem(key) {\n      //\t\tif(key.indexOf(':')>0 || key == 'xmlns'){\n      //\t\t\treturn null;\n      //\t\t}\n      //console.log()\n      var i = this.length;\n\n      while (i--) {\n        var attr = this[i]; //console.log(attr.nodeName,key)\n\n        if (attr.nodeName == key) {\n          return attr;\n        }\n      }\n    },\n    setNamedItem: function setNamedItem(attr) {\n      var el = attr.ownerElement;\n\n      if (el && el != this._ownerElement) {\n        throw new DOMException(INUSE_ATTRIBUTE_ERR);\n      }\n\n      var oldAttr = this.getNamedItem(attr.nodeName);\n\n      _addNamedNode(this._ownerElement, this, attr, oldAttr);\n\n      return oldAttr;\n    },\n\n    /* returns Node */\n    setNamedItemNS: function setNamedItemNS(attr) {\n      // raises: WRONG_DOCUMENT_ERR,NO_MODIFICATION_ALLOWED_ERR,INUSE_ATTRIBUTE_ERR\n      var el = attr.ownerElement,\n          oldAttr;\n\n      if (el && el != this._ownerElement) {\n        throw new DOMException(INUSE_ATTRIBUTE_ERR);\n      }\n\n      oldAttr = this.getNamedItemNS(attr.namespaceURI, attr.localName);\n\n      _addNamedNode(this._ownerElement, this, attr, oldAttr);\n\n      return oldAttr;\n    },\n\n    /* returns Node */\n    removeNamedItem: function removeNamedItem(key) {\n      var attr = this.getNamedItem(key);\n\n      _removeNamedNode(this._ownerElement, this, attr);\n\n      return attr;\n    },\n    // raises: NOT_FOUND_ERR,NO_MODIFICATION_ALLOWED_ERR\n    //for level2\n    removeNamedItemNS: function removeNamedItemNS(namespaceURI, localName) {\n      var attr = this.getNamedItemNS(namespaceURI, localName);\n\n      _removeNamedNode(this._ownerElement, this, attr);\n\n      return attr;\n    },\n    getNamedItemNS: function getNamedItemNS(namespaceURI, localName) {\n      var i = this.length;\n\n      while (i--) {\n        var node = this[i];\n\n        if (node.localName == localName && node.namespaceURI == namespaceURI) {\n          return node;\n        }\n      }\n\n      return null;\n    }\n  };\n  /**\n   * @see http://www.w3.org/TR/REC-DOM-Level-1/level-one-core.html#ID-102161490\n   */\n\n  function DOMImplementation(\n  /* Object */\n  features) {\n    this._features = {};\n\n    if (features) {\n      for (var feature in features) {\n        this._features = features[feature];\n      }\n    }\n  }\n  DOMImplementation.prototype = {\n    hasFeature: function hasFeature(\n    /* string */\n    feature,\n    /* string */\n    version) {\n      var versions = this._features[feature.toLowerCase()];\n\n      if (versions && (!version || version in versions)) {\n        return true;\n      } else {\n        return false;\n      }\n    },\n    // Introduced in DOM Level 2:\n    createDocument: function createDocument(namespaceURI, qualifiedName, doctype) {\n      // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR,WRONG_DOCUMENT_ERR\n      var doc = new Document();\n      doc.implementation = this;\n      doc.childNodes = new NodeList();\n      doc.doctype = doctype;\n\n      if (doctype) {\n        doc.appendChild(doctype);\n      }\n\n      if (qualifiedName) {\n        var root = doc.createElementNS(namespaceURI, qualifiedName);\n        doc.appendChild(root);\n      }\n\n      return doc;\n    },\n    // Introduced in DOM Level 2:\n    createDocumentType: function createDocumentType(qualifiedName, publicId, systemId) {\n      // raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR\n      var node = new DocumentType();\n      node.name = qualifiedName;\n      node.nodeName = qualifiedName;\n      node.publicId = publicId;\n      node.systemId = systemId; // Introduced in DOM Level 2:\n      //readonly attribute DOMString        internalSubset;\n      //TODO:..\n      //  readonly attribute NamedNodeMap     entities;\n      //  readonly attribute NamedNodeMap     notations;\n\n      return node;\n    }\n  };\n  /**\n   * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-1950641247\n   */\n\n  function Node() {}\n  Node.prototype = {\n    firstChild: null,\n    lastChild: null,\n    previousSibling: null,\n    nextSibling: null,\n    attributes: null,\n    parentNode: null,\n    childNodes: null,\n    ownerDocument: null,\n    nodeValue: null,\n    namespaceURI: null,\n    prefix: null,\n    localName: null,\n    // Modified in DOM Level 2:\n    insertBefore: function insertBefore(newChild, refChild) {\n      //raises\n      return _insertBefore(this, newChild, refChild);\n    },\n    replaceChild: function replaceChild(newChild, oldChild) {\n      //raises\n      this.insertBefore(newChild, oldChild);\n\n      if (oldChild) {\n        this.removeChild(oldChild);\n      }\n    },\n    removeChild: function removeChild(oldChild) {\n      return _removeChild(this, oldChild);\n    },\n    appendChild: function appendChild(newChild) {\n      return this.insertBefore(newChild, null);\n    },\n    hasChildNodes: function hasChildNodes() {\n      return this.firstChild != null;\n    },\n    cloneNode: function cloneNode(deep) {\n      return _cloneNode(this.ownerDocument || this, this, deep);\n    },\n    // Modified in DOM Level 2:\n    normalize: function normalize() {\n      var child = this.firstChild;\n\n      while (child) {\n        var next = child.nextSibling;\n\n        if (next && next.nodeType == TEXT_NODE && child.nodeType == TEXT_NODE) {\n          this.removeChild(next);\n          child.appendData(next.data);\n        } else {\n          child.normalize();\n          child = next;\n        }\n      }\n    },\n    // Introduced in DOM Level 2:\n    isSupported: function isSupported(feature, version) {\n      return this.ownerDocument.implementation.hasFeature(feature, version);\n    },\n    // Introduced in DOM Level 2:\n    hasAttributes: function hasAttributes() {\n      return this.attributes.length > 0;\n    },\n    lookupPrefix: function lookupPrefix(namespaceURI) {\n      var el = this;\n\n      while (el) {\n        var map = el._nsMap; //console.dir(map)\n\n        if (map) {\n          for (var n in map) {\n            if (map[n] == namespaceURI) {\n              return n;\n            }\n          }\n        }\n\n        el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;\n      }\n\n      return null;\n    },\n    // Introduced in DOM Level 3:\n    lookupNamespaceURI: function lookupNamespaceURI(prefix) {\n      var el = this;\n\n      while (el) {\n        var map = el._nsMap; //console.dir(map)\n\n        if (map) {\n          if (prefix in map) {\n            return map[prefix];\n          }\n        }\n\n        el = el.nodeType == ATTRIBUTE_NODE ? el.ownerDocument : el.parentNode;\n      }\n\n      return null;\n    },\n    // Introduced in DOM Level 3:\n    isDefaultNamespace: function isDefaultNamespace(namespaceURI) {\n      var prefix = this.lookupPrefix(namespaceURI);\n      return prefix == null;\n    }\n  };\n\n  function _xmlEncoder(c) {\n    return c == '<' && '&lt;' || c == '>' && '&gt;' || c == '&' && '&amp;' || c == '\"' && '&quot;' || '&#' + c.charCodeAt() + ';';\n  }\n\n  copy(NodeType, Node);\n  copy(NodeType, Node.prototype);\n  /**\n   * @param callback return true for continue,false for break\n   * @return boolean true: break visit;\n   */\n\n  function _visitNode(node, callback) {\n    if (callback(node)) {\n      return true;\n    }\n\n    if (node = node.firstChild) {\n      do {\n        if (_visitNode(node, callback)) {\n          return true;\n        }\n      } while (node = node.nextSibling);\n    }\n  }\n\n  function Document() {}\n\n  function _onAddAttribute(doc, el, newAttr) {\n    doc && doc._inc++;\n    var ns = newAttr.namespaceURI;\n\n    if (ns == 'http://www.w3.org/2000/xmlns/') {\n      //update namespace\n      el._nsMap[newAttr.prefix ? newAttr.localName : ''] = newAttr.value;\n    }\n  }\n\n  function _onRemoveAttribute(doc, el, newAttr, remove) {\n    doc && doc._inc++;\n    var ns = newAttr.namespaceURI;\n\n    if (ns == 'http://www.w3.org/2000/xmlns/') {\n      //update namespace\n      delete el._nsMap[newAttr.prefix ? newAttr.localName : ''];\n    }\n  }\n\n  function _onUpdateChild(doc, el, newChild) {\n    if (doc && doc._inc) {\n      doc._inc++; //update childNodes\n\n      var cs = el.childNodes;\n\n      if (newChild) {\n        cs[cs.length++] = newChild;\n      } else {\n        //console.log(1)\n        var child = el.firstChild;\n        var i = 0;\n\n        while (child) {\n          cs[i++] = child;\n          child = child.nextSibling;\n        }\n\n        cs.length = i;\n      }\n    }\n  }\n  /**\n   * attributes;\n   * children;\n   *\n   * writeable properties:\n   * nodeValue,Attr:value,CharacterData:data\n   * prefix\n   */\n\n\n  function _removeChild(parentNode, child) {\n    var previous = child.previousSibling;\n    var next = child.nextSibling;\n\n    if (previous) {\n      previous.nextSibling = next;\n    } else {\n      parentNode.firstChild = next;\n    }\n\n    if (next) {\n      next.previousSibling = previous;\n    } else {\n      parentNode.lastChild = previous;\n    }\n\n    _onUpdateChild(parentNode.ownerDocument, parentNode);\n\n    return child;\n  }\n  /**\n   * preformance key(refChild == null)\n   */\n\n\n  function _insertBefore(parentNode, newChild, nextChild) {\n    var cp = newChild.parentNode;\n\n    if (cp) {\n      cp.removeChild(newChild); //remove and update\n    }\n\n    if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {\n      var newFirst = newChild.firstChild;\n\n      if (newFirst == null) {\n        return newChild;\n      }\n\n      var newLast = newChild.lastChild;\n    } else {\n      newFirst = newLast = newChild;\n    }\n\n    var pre = nextChild ? nextChild.previousSibling : parentNode.lastChild;\n    newFirst.previousSibling = pre;\n    newLast.nextSibling = nextChild;\n\n    if (pre) {\n      pre.nextSibling = newFirst;\n    } else {\n      parentNode.firstChild = newFirst;\n    }\n\n    if (nextChild == null) {\n      parentNode.lastChild = newLast;\n    } else {\n      nextChild.previousSibling = newLast;\n    }\n\n    do {\n      newFirst.parentNode = parentNode;\n    } while (newFirst !== newLast && (newFirst = newFirst.nextSibling));\n\n    _onUpdateChild(parentNode.ownerDocument || parentNode, parentNode); //console.log(parentNode.lastChild.nextSibling == null)\n\n\n    if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {\n      newChild.firstChild = newChild.lastChild = null;\n    }\n\n    return newChild;\n  }\n\n  function _appendSingleChild(parentNode, newChild) {\n    var cp = newChild.parentNode;\n\n    if (cp) {\n      var pre = parentNode.lastChild;\n      cp.removeChild(newChild); //remove and update\n\n      var pre = parentNode.lastChild;\n    }\n\n    var pre = parentNode.lastChild;\n    newChild.parentNode = parentNode;\n    newChild.previousSibling = pre;\n    newChild.nextSibling = null;\n\n    if (pre) {\n      pre.nextSibling = newChild;\n    } else {\n      parentNode.firstChild = newChild;\n    }\n\n    parentNode.lastChild = newChild;\n\n    _onUpdateChild(parentNode.ownerDocument, parentNode, newChild);\n\n    return newChild; //console.log(\"__aa\",parentNode.lastChild.nextSibling == null)\n  }\n\n  Document.prototype = {\n    //implementation : null,\n    nodeName: '#document',\n    nodeType: DOCUMENT_NODE,\n    doctype: null,\n    documentElement: null,\n    _inc: 1,\n    insertBefore: function insertBefore(newChild, refChild) {\n      //raises\n      if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {\n        var child = newChild.firstChild;\n\n        while (child) {\n          var next = child.nextSibling;\n          this.insertBefore(child, refChild);\n          child = next;\n        }\n\n        return newChild;\n      }\n\n      if (this.documentElement == null && newChild.nodeType == ELEMENT_NODE) {\n        this.documentElement = newChild;\n      }\n\n      return _insertBefore(this, newChild, refChild), newChild.ownerDocument = this, newChild;\n    },\n    removeChild: function removeChild(oldChild) {\n      if (this.documentElement == oldChild) {\n        this.documentElement = null;\n      }\n\n      return _removeChild(this, oldChild);\n    },\n    // Introduced in DOM Level 2:\n    importNode: function importNode(importedNode, deep) {\n      return _importNode(this, importedNode, deep);\n    },\n    // Introduced in DOM Level 2:\n    getElementById: function getElementById(id) {\n      var rtv = null;\n\n      _visitNode(this.documentElement, function (node) {\n        if (node.nodeType == ELEMENT_NODE) {\n          if (node.getAttribute('id') == id) {\n            rtv = node;\n            return true;\n          }\n        }\n      });\n\n      return rtv;\n    },\n    //document factory method:\n    createElement: function createElement(tagName) {\n      var node = new Element();\n      node.ownerDocument = this;\n      node.nodeName = tagName;\n      node.tagName = tagName;\n      node.childNodes = new NodeList();\n      var attrs = node.attributes = new NamedNodeMap();\n      attrs._ownerElement = node;\n      return node;\n    },\n    createDocumentFragment: function createDocumentFragment() {\n      var node = new DocumentFragment();\n      node.ownerDocument = this;\n      node.childNodes = new NodeList();\n      return node;\n    },\n    createTextNode: function createTextNode(data) {\n      var node = new Text();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createComment: function createComment(data) {\n      var node = new Comment();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createCDATASection: function createCDATASection(data) {\n      var node = new CDATASection();\n      node.ownerDocument = this;\n      node.appendData(data);\n      return node;\n    },\n    createProcessingInstruction: function createProcessingInstruction(target, data) {\n      var node = new ProcessingInstruction();\n      node.ownerDocument = this;\n      node.tagName = node.target = target;\n      node.nodeValue = node.data = data;\n      return node;\n    },\n    createAttribute: function createAttribute(name) {\n      var node = new Attr();\n      node.ownerDocument = this;\n      node.name = name;\n      node.nodeName = name;\n      node.localName = name;\n      node.specified = true;\n      return node;\n    },\n    createEntityReference: function createEntityReference(name) {\n      var node = new EntityReference();\n      node.ownerDocument = this;\n      node.nodeName = name;\n      return node;\n    },\n    // Introduced in DOM Level 2:\n    createElementNS: function createElementNS(namespaceURI, qualifiedName) {\n      var node = new Element();\n      var pl = qualifiedName.split(':');\n      var attrs = node.attributes = new NamedNodeMap();\n      node.childNodes = new NodeList();\n      node.ownerDocument = this;\n      node.nodeName = qualifiedName;\n      node.tagName = qualifiedName;\n      node.namespaceURI = namespaceURI;\n\n      if (pl.length == 2) {\n        node.prefix = pl[0];\n        node.localName = pl[1];\n      } else {\n        //el.prefix = null;\n        node.localName = qualifiedName;\n      }\n\n      attrs._ownerElement = node;\n      return node;\n    },\n    // Introduced in DOM Level 2:\n    createAttributeNS: function createAttributeNS(namespaceURI, qualifiedName) {\n      var node = new Attr();\n      var pl = qualifiedName.split(':');\n      node.ownerDocument = this;\n      node.nodeName = qualifiedName;\n      node.name = qualifiedName;\n      node.namespaceURI = namespaceURI;\n      node.specified = true;\n\n      if (pl.length == 2) {\n        node.prefix = pl[0];\n        node.localName = pl[1];\n      } else {\n        //el.prefix = null;\n        node.localName = qualifiedName;\n      }\n\n      return node;\n    }\n  };\n\n  _extends$1(Document, Node);\n\n  function Element() {\n    this._nsMap = {};\n  }\n  Element.prototype = {\n    nodeType: ELEMENT_NODE,\n    hasAttribute: function hasAttribute(name) {\n      return this.getAttributeNode(name) != null;\n    },\n    getAttribute: function getAttribute(name) {\n      var attr = this.getAttributeNode(name);\n      return attr && attr.value || '';\n    },\n    getAttributeNode: function getAttributeNode(name) {\n      return this.attributes.getNamedItem(name);\n    },\n    setAttribute: function setAttribute(name, value) {\n      var attr = this.ownerDocument.createAttribute(name);\n      attr.value = attr.nodeValue = \"\" + value;\n      this.setAttributeNode(attr);\n    },\n    removeAttribute: function removeAttribute(name) {\n      var attr = this.getAttributeNode(name);\n      attr && this.removeAttributeNode(attr);\n    },\n    //four real opeartion method\n    appendChild: function appendChild(newChild) {\n      if (newChild.nodeType === DOCUMENT_FRAGMENT_NODE) {\n        return this.insertBefore(newChild, null);\n      } else {\n        return _appendSingleChild(this, newChild);\n      }\n    },\n    setAttributeNode: function setAttributeNode(newAttr) {\n      return this.attributes.setNamedItem(newAttr);\n    },\n    setAttributeNodeNS: function setAttributeNodeNS(newAttr) {\n      return this.attributes.setNamedItemNS(newAttr);\n    },\n    removeAttributeNode: function removeAttributeNode(oldAttr) {\n      //console.log(this == oldAttr.ownerElement)\n      return this.attributes.removeNamedItem(oldAttr.nodeName);\n    },\n    //get real attribute name,and remove it by removeAttributeNode\n    removeAttributeNS: function removeAttributeNS(namespaceURI, localName) {\n      var old = this.getAttributeNodeNS(namespaceURI, localName);\n      old && this.removeAttributeNode(old);\n    },\n    hasAttributeNS: function hasAttributeNS(namespaceURI, localName) {\n      return this.getAttributeNodeNS(namespaceURI, localName) != null;\n    },\n    getAttributeNS: function getAttributeNS(namespaceURI, localName) {\n      var attr = this.getAttributeNodeNS(namespaceURI, localName);\n      return attr && attr.value || '';\n    },\n    setAttributeNS: function setAttributeNS(namespaceURI, qualifiedName, value) {\n      var attr = this.ownerDocument.createAttributeNS(namespaceURI, qualifiedName);\n      attr.value = attr.nodeValue = \"\" + value;\n      this.setAttributeNode(attr);\n    },\n    getAttributeNodeNS: function getAttributeNodeNS(namespaceURI, localName) {\n      return this.attributes.getNamedItemNS(namespaceURI, localName);\n    },\n    getElementsByTagName: function getElementsByTagName(tagName) {\n      return new LiveNodeList(this, function (base) {\n        var ls = [];\n\n        _visitNode(base, function (node) {\n          if (node !== base && node.nodeType == ELEMENT_NODE && (tagName === '*' || node.tagName == tagName)) {\n            ls.push(node);\n          }\n        });\n\n        return ls;\n      });\n    },\n    getElementsByTagNameNS: function getElementsByTagNameNS(namespaceURI, localName) {\n      return new LiveNodeList(this, function (base) {\n        var ls = [];\n\n        _visitNode(base, function (node) {\n          if (node !== base && node.nodeType === ELEMENT_NODE && (namespaceURI === '*' || node.namespaceURI === namespaceURI) && (localName === '*' || node.localName == localName)) {\n            ls.push(node);\n          }\n        });\n\n        return ls;\n      });\n    }\n  };\n  Document.prototype.getElementsByTagName = Element.prototype.getElementsByTagName;\n  Document.prototype.getElementsByTagNameNS = Element.prototype.getElementsByTagNameNS;\n\n  _extends$1(Element, Node);\n\n  function Attr() {}\n  Attr.prototype.nodeType = ATTRIBUTE_NODE;\n\n  _extends$1(Attr, Node);\n\n  function CharacterData() {}\n  CharacterData.prototype = {\n    data: '',\n    substringData: function substringData(offset, count) {\n      return this.data.substring(offset, offset + count);\n    },\n    appendData: function appendData(text) {\n      text = this.data + text;\n      this.nodeValue = this.data = text;\n      this.length = text.length;\n    },\n    insertData: function insertData(offset, text) {\n      this.replaceData(offset, 0, text);\n    },\n    appendChild: function appendChild(newChild) {\n      throw new Error(ExceptionMessage[HIERARCHY_REQUEST_ERR]);\n    },\n    deleteData: function deleteData(offset, count) {\n      this.replaceData(offset, count, \"\");\n    },\n    replaceData: function replaceData(offset, count, text) {\n      var start = this.data.substring(0, offset);\n      var end = this.data.substring(offset + count);\n      text = start + text + end;\n      this.nodeValue = this.data = text;\n      this.length = text.length;\n    }\n  };\n\n  _extends$1(CharacterData, Node);\n\n  function Text() {}\n  Text.prototype = {\n    nodeName: \"#text\",\n    nodeType: TEXT_NODE,\n    splitText: function splitText(offset) {\n      var text = this.data;\n      var newText = text.substring(offset);\n      text = text.substring(0, offset);\n      this.data = this.nodeValue = text;\n      this.length = text.length;\n      var newNode = this.ownerDocument.createTextNode(newText);\n\n      if (this.parentNode) {\n        this.parentNode.insertBefore(newNode, this.nextSibling);\n      }\n\n      return newNode;\n    }\n  };\n\n  _extends$1(Text, CharacterData);\n\n  function Comment() {}\n  Comment.prototype = {\n    nodeName: \"#comment\",\n    nodeType: COMMENT_NODE\n  };\n\n  _extends$1(Comment, CharacterData);\n\n  function CDATASection() {}\n  CDATASection.prototype = {\n    nodeName: \"#cdata-section\",\n    nodeType: CDATA_SECTION_NODE\n  };\n\n  _extends$1(CDATASection, CharacterData);\n\n  function DocumentType() {}\n  DocumentType.prototype.nodeType = DOCUMENT_TYPE_NODE;\n\n  _extends$1(DocumentType, Node);\n\n  function Notation() {}\n  Notation.prototype.nodeType = NOTATION_NODE;\n\n  _extends$1(Notation, Node);\n\n  function Entity() {}\n  Entity.prototype.nodeType = ENTITY_NODE;\n\n  _extends$1(Entity, Node);\n\n  function EntityReference() {}\n  EntityReference.prototype.nodeType = ENTITY_REFERENCE_NODE;\n\n  _extends$1(EntityReference, Node);\n\n  function DocumentFragment() {}\n  DocumentFragment.prototype.nodeName = \"#document-fragment\";\n  DocumentFragment.prototype.nodeType = DOCUMENT_FRAGMENT_NODE;\n\n  _extends$1(DocumentFragment, Node);\n\n  function ProcessingInstruction() {}\n\n  ProcessingInstruction.prototype.nodeType = PROCESSING_INSTRUCTION_NODE;\n\n  _extends$1(ProcessingInstruction, Node);\n\n  function XMLSerializer() {}\n\n  XMLSerializer.prototype.serializeToString = function (node, isHtml, nodeFilter) {\n    return nodeSerializeToString.call(node, isHtml, nodeFilter);\n  };\n\n  Node.prototype.toString = nodeSerializeToString;\n\n  function nodeSerializeToString(isHtml, nodeFilter) {\n    var buf = [];\n    var refNode = this.nodeType == 9 ? this.documentElement : this;\n    var prefix = refNode.prefix;\n    var uri = refNode.namespaceURI;\n\n    if (uri && prefix == null) {\n      //console.log(prefix)\n      var prefix = refNode.lookupPrefix(uri);\n\n      if (prefix == null) {\n        //isHTML = true;\n        var visibleNamespaces = [{\n          namespace: uri,\n          prefix: null\n        } //{namespace:uri,prefix:''}\n        ];\n      }\n    }\n\n    serializeToString(this, buf, isHtml, nodeFilter, visibleNamespaces); //console.log('###',this.nodeType,uri,prefix,buf.join(''))\n\n    return buf.join('');\n  }\n\n  function needNamespaceDefine(node, isHTML, visibleNamespaces) {\n    var prefix = node.prefix || '';\n    var uri = node.namespaceURI;\n\n    if (!prefix && !uri) {\n      return false;\n    }\n\n    if (prefix === \"xml\" && uri === \"http://www.w3.org/XML/1998/namespace\" || uri == 'http://www.w3.org/2000/xmlns/') {\n      return false;\n    }\n\n    var i = visibleNamespaces.length; //console.log('@@@@',node.tagName,prefix,uri,visibleNamespaces)\n\n    while (i--) {\n      var ns = visibleNamespaces[i]; // get namespace prefix\n      //console.log(node.nodeType,node.tagName,ns.prefix,prefix)\n\n      if (ns.prefix == prefix) {\n        return ns.namespace != uri;\n      }\n    } //console.log(isHTML,uri,prefix=='')\n    //if(isHTML && prefix ==null && uri == 'http://www.w3.org/1999/xhtml'){\n    //\treturn false;\n    //}\n    //node.flag = '11111'\n    //console.error(3,true,node.flag,node.prefix,node.namespaceURI)\n\n\n    return true;\n  }\n\n  function serializeToString(node, buf, isHTML, nodeFilter, visibleNamespaces) {\n    if (nodeFilter) {\n      node = nodeFilter(node);\n\n      if (node) {\n        if (typeof node == 'string') {\n          buf.push(node);\n          return;\n        }\n      } else {\n        return;\n      } //buf.sort.apply(attrs, attributeSorter);\n\n    }\n\n    switch (node.nodeType) {\n      case ELEMENT_NODE:\n        if (!visibleNamespaces) visibleNamespaces = [];\n        var startVisibleNamespaces = visibleNamespaces.length;\n        var attrs = node.attributes;\n        var len = attrs.length;\n        var child = node.firstChild;\n        var nodeName = node.tagName;\n        isHTML = htmlns === node.namespaceURI || isHTML;\n        buf.push('<', nodeName);\n\n        for (var i = 0; i < len; i++) {\n          // add namespaces for attributes\n          var attr = attrs.item(i);\n\n          if (attr.prefix == 'xmlns') {\n            visibleNamespaces.push({\n              prefix: attr.localName,\n              namespace: attr.value\n            });\n          } else if (attr.nodeName == 'xmlns') {\n            visibleNamespaces.push({\n              prefix: '',\n              namespace: attr.value\n            });\n          }\n        }\n\n        for (var i = 0; i < len; i++) {\n          var attr = attrs.item(i);\n\n          if (needNamespaceDefine(attr, isHTML, visibleNamespaces)) {\n            var prefix = attr.prefix || '';\n            var uri = attr.namespaceURI;\n            var ns = prefix ? ' xmlns:' + prefix : \" xmlns\";\n            buf.push(ns, '=\"', uri, '\"');\n            visibleNamespaces.push({\n              prefix: prefix,\n              namespace: uri\n            });\n          }\n\n          serializeToString(attr, buf, isHTML, nodeFilter, visibleNamespaces);\n        } // add namespace for current node\n\n\n        if (needNamespaceDefine(node, isHTML, visibleNamespaces)) {\n          var prefix = node.prefix || '';\n          var uri = node.namespaceURI;\n          var ns = prefix ? ' xmlns:' + prefix : \" xmlns\";\n          buf.push(ns, '=\"', uri, '\"');\n          visibleNamespaces.push({\n            prefix: prefix,\n            namespace: uri\n          });\n        }\n\n        if (child || isHTML && !/^(?:meta|link|img|br|hr|input)$/i.test(nodeName)) {\n          buf.push('>'); //if is cdata child node\n\n          if (isHTML && /^script$/i.test(nodeName)) {\n            while (child) {\n              if (child.data) {\n                buf.push(child.data);\n              } else {\n                serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n              }\n\n              child = child.nextSibling;\n            }\n          } else {\n            while (child) {\n              serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n              child = child.nextSibling;\n            }\n          }\n\n          buf.push('</', nodeName, '>');\n        } else {\n          buf.push('/>');\n        } // remove added visible namespaces\n        //visibleNamespaces.length = startVisibleNamespaces;\n\n\n        return;\n\n      case DOCUMENT_NODE:\n      case DOCUMENT_FRAGMENT_NODE:\n        var child = node.firstChild;\n\n        while (child) {\n          serializeToString(child, buf, isHTML, nodeFilter, visibleNamespaces);\n          child = child.nextSibling;\n        }\n\n        return;\n\n      case ATTRIBUTE_NODE:\n        return buf.push(' ', node.name, '=\"', node.value.replace(/[<&\"]/g, _xmlEncoder), '\"');\n\n      case TEXT_NODE:\n        return buf.push(node.data.replace(/[<&]/g, _xmlEncoder));\n\n      case CDATA_SECTION_NODE:\n        return buf.push('<![CDATA[', node.data, ']]>');\n\n      case COMMENT_NODE:\n        return buf.push(\"<!--\", node.data, \"-->\");\n\n      case DOCUMENT_TYPE_NODE:\n        var pubid = node.publicId;\n        var sysid = node.systemId;\n        buf.push('<!DOCTYPE ', node.name);\n\n        if (pubid) {\n          buf.push(' PUBLIC \"', pubid);\n\n          if (sysid && sysid != '.') {\n            buf.push('\" \"', sysid);\n          }\n\n          buf.push('\">');\n        } else if (sysid && sysid != '.') {\n          buf.push(' SYSTEM \"', sysid, '\">');\n        } else {\n          var sub = node.internalSubset;\n\n          if (sub) {\n            buf.push(\" [\", sub, \"]\");\n          }\n\n          buf.push(\">\");\n        }\n\n        return;\n\n      case PROCESSING_INSTRUCTION_NODE:\n        return buf.push(\"<?\", node.target, \" \", node.data, \"?>\");\n\n      case ENTITY_REFERENCE_NODE:\n        return buf.push('&', node.nodeName, ';');\n      //case ENTITY_NODE:\n      //case NOTATION_NODE:\n\n      default:\n        buf.push('??', node.nodeName);\n    }\n  }\n\n  function _importNode(doc, node, deep) {\n    var node2;\n\n    switch (node.nodeType) {\n      case ELEMENT_NODE:\n        node2 = node.cloneNode(false);\n        node2.ownerDocument = doc;\n      //var attrs = node2.attributes;\n      //var len = attrs.length;\n      //for(var i=0;i<len;i++){\n      //node2.setAttributeNodeNS(importNode(doc,attrs.item(i),deep));\n      //}\n\n      case DOCUMENT_FRAGMENT_NODE:\n        break;\n\n      case ATTRIBUTE_NODE:\n        deep = true;\n        break;\n      //case ENTITY_REFERENCE_NODE:\n      //case PROCESSING_INSTRUCTION_NODE:\n      ////case TEXT_NODE:\n      //case CDATA_SECTION_NODE:\n      //case COMMENT_NODE:\n      //\tdeep = false;\n      //\tbreak;\n      //case DOCUMENT_NODE:\n      //case DOCUMENT_TYPE_NODE:\n      //cannot be imported.\n      //case ENTITY_NODE:\n      //case NOTATION_NODE：\n      //can not hit in level3\n      //default:throw e;\n    }\n\n    if (!node2) {\n      node2 = node.cloneNode(false); //false\n    }\n\n    node2.ownerDocument = doc;\n    node2.parentNode = null;\n\n    if (deep) {\n      var child = node.firstChild;\n\n      while (child) {\n        node2.appendChild(_importNode(doc, child, deep));\n        child = child.nextSibling;\n      }\n    }\n\n    return node2;\n  } //\n  //var _relationMap = {firstChild:1,lastChild:1,previousSibling:1,nextSibling:1,\n  //\t\t\t\t\tattributes:1,childNodes:1,parentNode:1,documentElement:1,doctype,};\n\n\n  function _cloneNode(doc, node, deep) {\n    var node2 = new node.constructor();\n\n    for (var n in node) {\n      var v = node[n];\n\n      if (typeof v != 'object') {\n        if (v != node2[n]) {\n          node2[n] = v;\n        }\n      }\n    }\n\n    if (node.childNodes) {\n      node2.childNodes = new NodeList();\n    }\n\n    node2.ownerDocument = doc;\n\n    switch (node2.nodeType) {\n      case ELEMENT_NODE:\n        var attrs = node.attributes;\n        var attrs2 = node2.attributes = new NamedNodeMap();\n        var len = attrs.length;\n        attrs2._ownerElement = node2;\n\n        for (var i = 0; i < len; i++) {\n          node2.setAttributeNode(_cloneNode(doc, attrs.item(i), true));\n        }\n\n        break;\n\n\n      case ATTRIBUTE_NODE:\n        deep = true;\n    }\n\n    if (deep) {\n      var child = node.firstChild;\n\n      while (child) {\n        node2.appendChild(_cloneNode(doc, child, deep));\n        child = child.nextSibling;\n      }\n    }\n\n    return node2;\n  }\n\n  function __set__(object, key, value) {\n    object[key] = value;\n  } //do dynamic\n\n\n  try {\n    if (Object.defineProperty) {\n      var getTextContent = function getTextContent(node) {\n        switch (node.nodeType) {\n          case ELEMENT_NODE:\n          case DOCUMENT_FRAGMENT_NODE:\n            var buf = [];\n            node = node.firstChild;\n\n            while (node) {\n              if (node.nodeType !== 7 && node.nodeType !== 8) {\n                buf.push(getTextContent(node));\n              }\n\n              node = node.nextSibling;\n            }\n\n            return buf.join('');\n\n          default:\n            return node.nodeValue;\n        }\n      };\n\n      Object.defineProperty(LiveNodeList.prototype, 'length', {\n        get: function get() {\n          _updateLiveList(this);\n\n          return this.$$length;\n        }\n      });\n      Object.defineProperty(Node.prototype, 'textContent', {\n        get: function get() {\n          return getTextContent(this);\n        },\n        set: function set(data) {\n          switch (this.nodeType) {\n            case ELEMENT_NODE:\n            case DOCUMENT_FRAGMENT_NODE:\n              while (this.firstChild) {\n                this.removeChild(this.firstChild);\n              }\n\n              if (data || String(data)) {\n                this.appendChild(this.ownerDocument.createTextNode(data));\n              }\n\n              break;\n\n            default:\n              //TODO:\n              this.data = data;\n              this.value = data;\n              this.nodeValue = data;\n          }\n        }\n      });\n\n      __set__ = function __set__(object, key, value) {\n        //console.log(value)\n        object['$$' + key] = value;\n      };\n    }\n  } catch (e) {} //ie8\n  //if(typeof require == 'function'){\n\n\n  var DOMImplementation_1 = DOMImplementation;\n  var XMLSerializer_1 = XMLSerializer; //}\n\n  var dom = {\n    DOMImplementation: DOMImplementation_1,\n    XMLSerializer: XMLSerializer_1\n  };\n\n  var domParser = createCommonjsModule(function (module, exports) {\n    function DOMParser(options) {\n      this.options = options || {\n        locator: {}\n      };\n    }\n\n    DOMParser.prototype.parseFromString = function (source, mimeType) {\n      var options = this.options;\n      var sax = new XMLReader();\n      var domBuilder = options.domBuilder || new DOMHandler(); //contentHandler and LexicalHandler\n\n      var errorHandler = options.errorHandler;\n      var locator = options.locator;\n      var defaultNSMap = options.xmlns || {};\n      var entityMap = {\n        'lt': '<',\n        'gt': '>',\n        'amp': '&',\n        'quot': '\"',\n        'apos': \"'\"\n      };\n\n      if (locator) {\n        domBuilder.setDocumentLocator(locator);\n      }\n\n      sax.errorHandler = buildErrorHandler(errorHandler, domBuilder, locator);\n      sax.domBuilder = options.domBuilder || domBuilder;\n\n      if (/\\/x?html?$/.test(mimeType)) {\n        entityMap.nbsp = '\\xa0';\n        entityMap.copy = '\\xa9';\n        defaultNSMap[''] = 'http://www.w3.org/1999/xhtml';\n      }\n\n      defaultNSMap.xml = defaultNSMap.xml || 'http://www.w3.org/XML/1998/namespace';\n\n      if (source) {\n        sax.parse(source, defaultNSMap, entityMap);\n      } else {\n        sax.errorHandler.error(\"invalid doc source\");\n      }\n\n      return domBuilder.doc;\n    };\n\n    function buildErrorHandler(errorImpl, domBuilder, locator) {\n      if (!errorImpl) {\n        if (domBuilder instanceof DOMHandler) {\n          return domBuilder;\n        }\n\n        errorImpl = domBuilder;\n      }\n\n      var errorHandler = {};\n      var isCallback = errorImpl instanceof Function;\n      locator = locator || {};\n\n      function build(key) {\n        var fn = errorImpl[key];\n\n        if (!fn && isCallback) {\n          fn = errorImpl.length == 2 ? function (msg) {\n            errorImpl(key, msg);\n          } : errorImpl;\n        }\n\n        errorHandler[key] = fn && function (msg) {\n          fn('[xmldom ' + key + ']\\t' + msg + _locator(locator));\n        } || function () {};\n      }\n\n      build('warning');\n      build('error');\n      build('fatalError');\n      return errorHandler;\n    } //console.log('#\\n\\n\\n\\n\\n\\n\\n####')\n\n    /**\n     * +ContentHandler+ErrorHandler\n     * +LexicalHandler+EntityResolver2\n     * -DeclHandler-DTDHandler\n     *\n     * DefaultHandler:EntityResolver, DTDHandler, ContentHandler, ErrorHandler\n     * DefaultHandler2:DefaultHandler,LexicalHandler, DeclHandler, EntityResolver2\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/helpers/DefaultHandler.html\n     */\n\n\n    function DOMHandler() {\n      this.cdata = false;\n    }\n\n    function position(locator, node) {\n      node.lineNumber = locator.lineNumber;\n      node.columnNumber = locator.columnNumber;\n    }\n    /**\n     * @see org.xml.sax.ContentHandler#startDocument\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ContentHandler.html\n     */\n\n\n    DOMHandler.prototype = {\n      startDocument: function startDocument() {\n        this.doc = new DOMImplementation().createDocument(null, null, null);\n\n        if (this.locator) {\n          this.doc.documentURI = this.locator.systemId;\n        }\n      },\n      startElement: function startElement(namespaceURI, localName, qName, attrs) {\n        var doc = this.doc;\n        var el = doc.createElementNS(namespaceURI, qName || localName);\n        var len = attrs.length;\n        appendElement(this, el);\n        this.currentElement = el;\n        this.locator && position(this.locator, el);\n\n        for (var i = 0; i < len; i++) {\n          var namespaceURI = attrs.getURI(i);\n          var value = attrs.getValue(i);\n          var qName = attrs.getQName(i);\n          var attr = doc.createAttributeNS(namespaceURI, qName);\n          this.locator && position(attrs.getLocator(i), attr);\n          attr.value = attr.nodeValue = value;\n          el.setAttributeNode(attr);\n        }\n      },\n      endElement: function endElement(namespaceURI, localName, qName) {\n        var current = this.currentElement;\n        var tagName = current.tagName;\n        this.currentElement = current.parentNode;\n      },\n      startPrefixMapping: function startPrefixMapping(prefix, uri) {},\n      endPrefixMapping: function endPrefixMapping(prefix) {},\n      processingInstruction: function processingInstruction(target, data) {\n        var ins = this.doc.createProcessingInstruction(target, data);\n        this.locator && position(this.locator, ins);\n        appendElement(this, ins);\n      },\n      ignorableWhitespace: function ignorableWhitespace(ch, start, length) {},\n      characters: function characters(chars, start, length) {\n        chars = _toString.apply(this, arguments); //console.log(chars)\n\n        if (chars) {\n          if (this.cdata) {\n            var charNode = this.doc.createCDATASection(chars);\n          } else {\n            var charNode = this.doc.createTextNode(chars);\n          }\n\n          if (this.currentElement) {\n            this.currentElement.appendChild(charNode);\n          } else if (/^\\s*$/.test(chars)) {\n            this.doc.appendChild(charNode); //process xml\n          }\n\n          this.locator && position(this.locator, charNode);\n        }\n      },\n      skippedEntity: function skippedEntity(name) {},\n      endDocument: function endDocument() {\n        this.doc.normalize();\n      },\n      setDocumentLocator: function setDocumentLocator(locator) {\n        if (this.locator = locator) {\n          // && !('lineNumber' in locator)){\n          locator.lineNumber = 0;\n        }\n      },\n      //LexicalHandler\n      comment: function comment(chars, start, length) {\n        chars = _toString.apply(this, arguments);\n        var comm = this.doc.createComment(chars);\n        this.locator && position(this.locator, comm);\n        appendElement(this, comm);\n      },\n      startCDATA: function startCDATA() {\n        //used in characters() methods\n        this.cdata = true;\n      },\n      endCDATA: function endCDATA() {\n        this.cdata = false;\n      },\n      startDTD: function startDTD(name, publicId, systemId) {\n        var impl = this.doc.implementation;\n\n        if (impl && impl.createDocumentType) {\n          var dt = impl.createDocumentType(name, publicId, systemId);\n          this.locator && position(this.locator, dt);\n          appendElement(this, dt);\n        }\n      },\n\n      /**\n       * @see org.xml.sax.ErrorHandler\n       * @link http://www.saxproject.org/apidoc/org/xml/sax/ErrorHandler.html\n       */\n      warning: function warning(error) {\n        console.warn('[xmldom warning]\\t' + error, _locator(this.locator));\n      },\n      error: function error(_error) {\n        console.error('[xmldom error]\\t' + _error, _locator(this.locator));\n      },\n      fatalError: function fatalError(error) {\n        console.error('[xmldom fatalError]\\t' + error, _locator(this.locator));\n        throw error;\n      }\n    };\n\n    function _locator(l) {\n      if (l) {\n        return '\\n@' + (l.systemId || '') + '#[line:' + l.lineNumber + ',col:' + l.columnNumber + ']';\n      }\n    }\n\n    function _toString(chars, start, length) {\n      if (typeof chars == 'string') {\n        return chars.substr(start, length);\n      } else {\n        //java sax connect width xmldom on rhino(what about: \"? && !(chars instanceof String)\")\n        if (chars.length >= start + length || start) {\n          return new java.lang.String(chars, start, length) + '';\n        }\n\n        return chars;\n      }\n    }\n    /*\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/LexicalHandler.html\n     * used method of org.xml.sax.ext.LexicalHandler:\n     *  #comment(chars, start, length)\n     *  #startCDATA()\n     *  #endCDATA()\n     *  #startDTD(name, publicId, systemId)\n     *\n     *\n     * IGNORED method of org.xml.sax.ext.LexicalHandler:\n     *  #endDTD()\n     *  #startEntity(name)\n     *  #endEntity(name)\n     *\n     *\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/DeclHandler.html\n     * IGNORED method of org.xml.sax.ext.DeclHandler\n     * \t#attributeDecl(eName, aName, type, mode, value)\n     *  #elementDecl(name, model)\n     *  #externalEntityDecl(name, publicId, systemId)\n     *  #internalEntityDecl(name, value)\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/EntityResolver2.html\n     * IGNORED method of org.xml.sax.EntityResolver2\n     *  #resolveEntity(String name,String publicId,String baseURI,String systemId)\n     *  #resolveEntity(publicId, systemId)\n     *  #getExternalSubset(name, baseURI)\n     * @link http://www.saxproject.org/apidoc/org/xml/sax/DTDHandler.html\n     * IGNORED method of org.xml.sax.DTDHandler\n     *  #notationDecl(name, publicId, systemId) {};\n     *  #unparsedEntityDecl(name, publicId, systemId, notationName) {};\n     */\n\n\n    \"endDTD,startEntity,endEntity,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,resolveEntity,getExternalSubset,notationDecl,unparsedEntityDecl\".replace(/\\w+/g, function (key) {\n      DOMHandler.prototype[key] = function () {\n        return null;\n      };\n    });\n    /* Private static helpers treated below as private instance methods, so don't need to add these to the public API; we might use a Relator to also get rid of non-standard public properties */\n\n    function appendElement(hander, node) {\n      if (!hander.currentElement) {\n        hander.doc.appendChild(node);\n      } else {\n        hander.currentElement.appendChild(node);\n      }\n    } //appendChild and setAttributeNS are preformance key\n    //if(typeof require == 'function'){\n\n\n    var XMLReader = sax.XMLReader;\n    var DOMImplementation = exports.DOMImplementation = dom.DOMImplementation;\n    exports.XMLSerializer = dom.XMLSerializer;\n    exports.DOMParser = DOMParser; //}\n  });\n  var domParser_1 = domParser.DOMImplementation;\n  var domParser_2 = domParser.XMLSerializer;\n  var domParser_3 = domParser.DOMParser;\n\n  /*! @name mpd-parser @version 0.10.0 @license Apache-2.0 */\n\n  var isObject$1 = function isObject(obj) {\n    return !!obj && typeof obj === 'object';\n  };\n\n  var merge = function merge() {\n    for (var _len = arguments.length, objects = new Array(_len), _key = 0; _key < _len; _key++) {\n      objects[_key] = arguments[_key];\n    }\n\n    return objects.reduce(function (result, source) {\n      Object.keys(source).forEach(function (key) {\n        if (Array.isArray(result[key]) && Array.isArray(source[key])) {\n          result[key] = result[key].concat(source[key]);\n        } else if (isObject$1(result[key]) && isObject$1(source[key])) {\n          result[key] = merge(result[key], source[key]);\n        } else {\n          result[key] = source[key];\n        }\n      });\n      return result;\n    }, {});\n  };\n\n  var values = function values(o) {\n    return Object.keys(o).map(function (k) {\n      return o[k];\n    });\n  };\n\n  var range = function range(start, end) {\n    var result = [];\n\n    for (var i = start; i < end; i++) {\n      result.push(i);\n    }\n\n    return result;\n  };\n\n  var flatten = function flatten(lists) {\n    return lists.reduce(function (x, y) {\n      return x.concat(y);\n    }, []);\n  };\n\n  var from = function from(list) {\n    if (!list.length) {\n      return [];\n    }\n\n    var result = [];\n\n    for (var i = 0; i < list.length; i++) {\n      result.push(list[i]);\n    }\n\n    return result;\n  };\n\n  var findIndexes = function findIndexes(l, key) {\n    return l.reduce(function (a, e, i) {\n      if (e[key]) {\n        a.push(i);\n      }\n\n      return a;\n    }, []);\n  };\n\n  var errors = {\n    INVALID_NUMBER_OF_PERIOD: 'INVALID_NUMBER_OF_PERIOD',\n    DASH_EMPTY_MANIFEST: 'DASH_EMPTY_MANIFEST',\n    DASH_INVALID_XML: 'DASH_INVALID_XML',\n    NO_BASE_URL: 'NO_BASE_URL',\n    MISSING_SEGMENT_INFORMATION: 'MISSING_SEGMENT_INFORMATION',\n    SEGMENT_TIME_UNSPECIFIED: 'SEGMENT_TIME_UNSPECIFIED',\n    UNSUPPORTED_UTC_TIMING_SCHEME: 'UNSUPPORTED_UTC_TIMING_SCHEME'\n  };\n  /**\n   * @typedef {Object} SingleUri\n   * @property {string} uri - relative location of segment\n   * @property {string} resolvedUri - resolved location of segment\n   * @property {Object} byterange - Object containing information on how to make byte range\n   *   requests following byte-range-spec per RFC2616.\n   * @property {String} byterange.length - length of range request\n   * @property {String} byterange.offset - byte offset of range request\n   *\n   * @see https://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35.1\n   */\n\n  /**\n   * Converts a URLType node (5.3.9.2.3 Table 13) to a segment object\n   * that conforms to how m3u8-parser is structured\n   *\n   * @see https://github.com/videojs/m3u8-parser\n   *\n   * @param {string} baseUrl - baseUrl provided by <BaseUrl> nodes\n   * @param {string} source - source url for segment\n   * @param {string} range - optional range used for range calls,\n   *   follows  RFC 2616, Clause 14.35.1\n   * @return {SingleUri} full segment information transformed into a format similar\n   *   to m3u8-parser\n   */\n\n  var urlTypeToSegment = function urlTypeToSegment(_ref) {\n    var _ref$baseUrl = _ref.baseUrl,\n        baseUrl = _ref$baseUrl === void 0 ? '' : _ref$baseUrl,\n        _ref$source = _ref.source,\n        source = _ref$source === void 0 ? '' : _ref$source,\n        _ref$range = _ref.range,\n        range = _ref$range === void 0 ? '' : _ref$range,\n        _ref$indexRange = _ref.indexRange,\n        indexRange = _ref$indexRange === void 0 ? '' : _ref$indexRange;\n    var segment = {\n      uri: source,\n      resolvedUri: resolveUrl_1(baseUrl || '', source)\n    };\n\n    if (range || indexRange) {\n      var rangeStr = range ? range : indexRange;\n      var ranges = rangeStr.split('-');\n      var startRange = parseInt(ranges[0], 10);\n      var endRange = parseInt(ranges[1], 10); // byterange should be inclusive according to\n      // RFC 2616, Clause 14.35.1\n\n      segment.byterange = {\n        length: endRange - startRange + 1,\n        offset: startRange\n      };\n    }\n\n    return segment;\n  };\n\n  var byteRangeToString = function byteRangeToString(byterange) {\n    // `endRange` is one less than `offset + length` because the HTTP range\n    // header uses inclusive ranges\n    var endRange = byterange.offset + byterange.length - 1;\n    return byterange.offset + \"-\" + endRange;\n  };\n  /**\n   * Functions for calculating the range of available segments in static and dynamic\n   * manifests.\n   */\n\n\n  var segmentRange = {\n    /**\n     * Returns the entire range of available segments for a static MPD\n     *\n     * @param {Object} attributes\n     *        Inheritied MPD attributes\n     * @return {{ start: number, end: number }}\n     *         The start and end numbers for available segments\n     */\n    \"static\": function _static(attributes) {\n      var duration = attributes.duration,\n          _attributes$timescale = attributes.timescale,\n          timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n          sourceDuration = attributes.sourceDuration;\n      return {\n        start: 0,\n        end: Math.ceil(sourceDuration / (duration / timescale))\n      };\n    },\n\n    /**\n     * Returns the current live window range of available segments for a dynamic MPD\n     *\n     * @param {Object} attributes\n     *        Inheritied MPD attributes\n     * @return {{ start: number, end: number }}\n     *         The start and end numbers for available segments\n     */\n    dynamic: function dynamic(attributes) {\n      var NOW = attributes.NOW,\n          clientOffset = attributes.clientOffset,\n          availabilityStartTime = attributes.availabilityStartTime,\n          _attributes$timescale2 = attributes.timescale,\n          timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,\n          duration = attributes.duration,\n          _attributes$start = attributes.start,\n          start = _attributes$start === void 0 ? 0 : _attributes$start,\n          _attributes$minimumUp = attributes.minimumUpdatePeriod,\n          minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp,\n          _attributes$timeShift = attributes.timeShiftBufferDepth,\n          timeShiftBufferDepth = _attributes$timeShift === void 0 ? Infinity : _attributes$timeShift;\n      var now = (NOW + clientOffset) / 1000;\n      var periodStartWC = availabilityStartTime + start;\n      var periodEndWC = now + minimumUpdatePeriod;\n      var periodDuration = periodEndWC - periodStartWC;\n      var segmentCount = Math.ceil(periodDuration * timescale / duration);\n      var availableStart = Math.floor((now - periodStartWC - timeShiftBufferDepth) * timescale / duration);\n      var availableEnd = Math.floor((now - periodStartWC) * timescale / duration);\n      return {\n        start: Math.max(0, availableStart),\n        end: Math.min(segmentCount, availableEnd)\n      };\n    }\n  };\n  /**\n   * Maps a range of numbers to objects with information needed to build the corresponding\n   * segment list\n   *\n   * @name toSegmentsCallback\n   * @function\n   * @param {number} number\n   *        Number of the segment\n   * @param {number} index\n   *        Index of the number in the range list\n   * @return {{ number: Number, duration: Number, timeline: Number, time: Number }}\n   *         Object with segment timing and duration info\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping a range of numbers to\n   * information needed to build the segment list.\n   *\n   * @param {Object} attributes\n   *        Inherited MPD attributes\n   * @return {toSegmentsCallback}\n   *         Callback map function\n   */\n\n  var toSegments = function toSegments(attributes) {\n    return function (number, index) {\n      var duration = attributes.duration,\n          _attributes$timescale3 = attributes.timescale,\n          timescale = _attributes$timescale3 === void 0 ? 1 : _attributes$timescale3,\n          periodIndex = attributes.periodIndex,\n          _attributes$startNumb = attributes.startNumber,\n          startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb;\n      return {\n        number: startNumber + number,\n        duration: duration / timescale,\n        timeline: periodIndex,\n        time: index * duration\n      };\n    };\n  };\n  /**\n   * Returns a list of objects containing segment timing and duration info used for\n   * building the list of segments. This uses the @duration attribute specified\n   * in the MPD manifest to derive the range of segments.\n   *\n   * @param {Object} attributes\n   *        Inherited MPD attributes\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseByDuration = function parseByDuration(attributes) {\n    var _attributes$type = attributes.type,\n        type = _attributes$type === void 0 ? 'static' : _attributes$type,\n        duration = attributes.duration,\n        _attributes$timescale4 = attributes.timescale,\n        timescale = _attributes$timescale4 === void 0 ? 1 : _attributes$timescale4,\n        sourceDuration = attributes.sourceDuration;\n\n    var _segmentRange$type = segmentRange[type](attributes),\n        start = _segmentRange$type.start,\n        end = _segmentRange$type.end;\n\n    var segments = range(start, end).map(toSegments(attributes));\n\n    if (type === 'static') {\n      var index = segments.length - 1; // final segment may be less than full segment duration\n\n      segments[index].duration = sourceDuration - duration / timescale * index;\n    }\n\n    return segments;\n  };\n  /**\n   * Translates SegmentBase into a set of segments.\n   * (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes.  Each\n   * node should be translated into segment.\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @return {Object.<Array>} list of segments\n   */\n\n\n  var segmentsFromBase = function segmentsFromBase(attributes) {\n    var baseUrl = attributes.baseUrl,\n        _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ,\n        sourceDuration = attributes.sourceDuration,\n        _attributes$timescale = attributes.timescale,\n        timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n        _attributes$indexRang = attributes.indexRange,\n        indexRange = _attributes$indexRang === void 0 ? '' : _attributes$indexRang,\n        duration = attributes.duration; // base url is required for SegmentBase to work, per spec (Section 5.3.9.2.1)\n\n    if (!baseUrl) {\n      throw new Error(errors.NO_BASE_URL);\n    }\n\n    var initSegment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: initialization.sourceURL,\n      range: initialization.range\n    });\n    var segment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: baseUrl,\n      indexRange: indexRange\n    });\n    segment.map = initSegment; // If there is a duration, use it, otherwise use the given duration of the source\n    // (since SegmentBase is only for one total segment)\n\n    if (duration) {\n      var segmentTimeInfo = parseByDuration(attributes);\n\n      if (segmentTimeInfo.length) {\n        segment.duration = segmentTimeInfo[0].duration;\n        segment.timeline = segmentTimeInfo[0].timeline;\n      }\n    } else if (sourceDuration) {\n      segment.duration = sourceDuration / timescale;\n      segment.timeline = 0;\n    } // This is used for mediaSequence\n\n\n    segment.number = 0;\n    return [segment];\n  };\n  /**\n   * Given a playlist, a sidx box, and a baseUrl, update the segment list of the playlist\n   * according to the sidx information given.\n   *\n   * playlist.sidx has metadadata about the sidx where-as the sidx param\n   * is the parsed sidx box itself.\n   *\n   * @param {Object} playlist the playlist to update the sidx information for\n   * @param {Object} sidx the parsed sidx box\n   * @return {Object} the playlist object with the updated sidx information\n   */\n\n\n  var addSegmentsToPlaylist = function addSegmentsToPlaylist(playlist, sidx, baseUrl) {\n    // Retain init segment information\n    var initSegment = playlist.sidx.map ? playlist.sidx.map : null; // Retain source duration from initial master manifest parsing\n\n    var sourceDuration = playlist.sidx.duration; // Retain source timeline\n\n    var timeline = playlist.timeline || 0;\n    var sidxByteRange = playlist.sidx.byterange;\n    var sidxEnd = sidxByteRange.offset + sidxByteRange.length; // Retain timescale of the parsed sidx\n\n    var timescale = sidx.timescale; // referenceType 1 refers to other sidx boxes\n\n    var mediaReferences = sidx.references.filter(function (r) {\n      return r.referenceType !== 1;\n    });\n    var segments = []; // firstOffset is the offset from the end of the sidx box\n\n    var startIndex = sidxEnd + sidx.firstOffset;\n\n    for (var i = 0; i < mediaReferences.length; i++) {\n      var reference = sidx.references[i]; // size of the referenced (sub)segment\n\n      var size = reference.referencedSize; // duration of the referenced (sub)segment, in  the  timescale\n      // this will be converted to seconds when generating segments\n\n      var duration = reference.subsegmentDuration; // should be an inclusive range\n\n      var endIndex = startIndex + size - 1;\n      var indexRange = startIndex + \"-\" + endIndex;\n      var attributes = {\n        baseUrl: baseUrl,\n        timescale: timescale,\n        timeline: timeline,\n        // this is used in parseByDuration\n        periodIndex: timeline,\n        duration: duration,\n        sourceDuration: sourceDuration,\n        indexRange: indexRange\n      };\n      var segment = segmentsFromBase(attributes)[0];\n\n      if (initSegment) {\n        segment.map = initSegment;\n      }\n\n      segments.push(segment);\n      startIndex += size;\n    }\n\n    playlist.segments = segments;\n    return playlist;\n  };\n\n  var mergeDiscontiguousPlaylists = function mergeDiscontiguousPlaylists(playlists) {\n    var mergedPlaylists = values(playlists.reduce(function (acc, playlist) {\n      // assuming playlist IDs are the same across periods\n      // TODO: handle multiperiod where representation sets are not the same\n      // across periods\n      var name = playlist.attributes.id + (playlist.attributes.lang || ''); // Periods after first\n\n      if (acc[name]) {\n        var _acc$name$segments; // first segment of subsequent periods signal a discontinuity\n\n\n        if (playlist.segments[0]) {\n          playlist.segments[0].discontinuity = true;\n        }\n\n        (_acc$name$segments = acc[name].segments).push.apply(_acc$name$segments, playlist.segments); // bubble up contentProtection, this assumes all DRM content\n        // has the same contentProtection\n\n\n        if (playlist.attributes.contentProtection) {\n          acc[name].attributes.contentProtection = playlist.attributes.contentProtection;\n        }\n      } else {\n        // first Period\n        acc[name] = playlist;\n      }\n\n      return acc;\n    }, {}));\n    return mergedPlaylists.map(function (playlist) {\n      playlist.discontinuityStarts = findIndexes(playlist.segments, 'discontinuity');\n      return playlist;\n    });\n  };\n\n  var addSegmentInfoFromSidx = function addSegmentInfoFromSidx(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    if (!Object.keys(sidxMapping).length) {\n      return playlists;\n    }\n\n    for (var i in playlists) {\n      var playlist = playlists[i];\n\n      if (!playlist.sidx) {\n        continue;\n      }\n\n      var sidxKey = playlist.sidx.uri + '-' + byteRangeToString(playlist.sidx.byterange);\n      var sidxMatch = sidxMapping[sidxKey] && sidxMapping[sidxKey].sidx;\n\n      if (playlist.sidx && sidxMatch) {\n        addSegmentsToPlaylist(playlist, sidxMatch, playlist.sidx.resolvedUri);\n      }\n    }\n\n    return playlists;\n  };\n\n  var formatAudioPlaylist = function formatAudioPlaylist(_ref) {\n    var _attributes;\n\n    var attributes = _ref.attributes,\n        segments = _ref.segments,\n        sidx = _ref.sidx;\n    var playlist = {\n      attributes: (_attributes = {\n        NAME: attributes.id,\n        BANDWIDTH: attributes.bandwidth,\n        CODECS: attributes.codecs\n      }, _attributes['PROGRAM-ID'] = 1, _attributes),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n\n    if (attributes.contentProtection) {\n      playlist.contentProtection = attributes.contentProtection;\n    }\n\n    if (sidx) {\n      playlist.sidx = sidx;\n    }\n\n    return playlist;\n  };\n\n  var formatVttPlaylist = function formatVttPlaylist(_ref2) {\n    var _attributes2;\n\n    var attributes = _ref2.attributes,\n        segments = _ref2.segments;\n\n    if (typeof segments === 'undefined') {\n      // vtt tracks may use single file in BaseURL\n      segments = [{\n        uri: attributes.baseUrl,\n        timeline: attributes.periodIndex,\n        resolvedUri: attributes.baseUrl || '',\n        duration: attributes.sourceDuration,\n        number: 0\n      }]; // targetDuration should be the same duration as the only segment\n\n      attributes.duration = attributes.sourceDuration;\n    }\n\n    return {\n      attributes: (_attributes2 = {\n        NAME: attributes.id,\n        BANDWIDTH: attributes.bandwidth\n      }, _attributes2['PROGRAM-ID'] = 1, _attributes2),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: attributes.baseUrl || '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n  };\n\n  var organizeAudioPlaylists = function organizeAudioPlaylists(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    var mainPlaylist;\n    var formattedPlaylists = playlists.reduce(function (a, playlist) {\n      var role = playlist.attributes.role && playlist.attributes.role.value || '';\n      var language = playlist.attributes.lang || '';\n      var label = 'main';\n\n      if (language) {\n        var roleLabel = role ? \" (\" + role + \")\" : '';\n        label = \"\" + playlist.attributes.lang + roleLabel;\n      } // skip if we already have the highest quality audio for a language\n\n\n      if (a[label] && a[label].playlists[0].attributes.BANDWIDTH > playlist.attributes.bandwidth) {\n        return a;\n      }\n\n      a[label] = {\n        language: language,\n        autoselect: true,\n        \"default\": role === 'main',\n        playlists: addSegmentInfoFromSidx([formatAudioPlaylist(playlist)], sidxMapping),\n        uri: ''\n      };\n\n      if (typeof mainPlaylist === 'undefined' && role === 'main') {\n        mainPlaylist = playlist;\n        mainPlaylist[\"default\"] = true;\n      }\n\n      return a;\n    }, {}); // if no playlists have role \"main\", mark the first as main\n\n    if (!mainPlaylist) {\n      var firstLabel = Object.keys(formattedPlaylists)[0];\n      formattedPlaylists[firstLabel][\"default\"] = true;\n    }\n\n    return formattedPlaylists;\n  };\n\n  var organizeVttPlaylists = function organizeVttPlaylists(playlists, sidxMapping) {\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    return playlists.reduce(function (a, playlist) {\n      var label = playlist.attributes.lang || 'text'; // skip if we already have subtitles\n\n      if (a[label]) {\n        return a;\n      }\n\n      a[label] = {\n        language: label,\n        \"default\": false,\n        autoselect: false,\n        playlists: addSegmentInfoFromSidx([formatVttPlaylist(playlist)], sidxMapping),\n        uri: ''\n      };\n      return a;\n    }, {});\n  };\n\n  var formatVideoPlaylist = function formatVideoPlaylist(_ref3) {\n    var _attributes3;\n\n    var attributes = _ref3.attributes,\n        segments = _ref3.segments,\n        sidx = _ref3.sidx;\n    var playlist = {\n      attributes: (_attributes3 = {\n        NAME: attributes.id,\n        AUDIO: 'audio',\n        SUBTITLES: 'subs',\n        RESOLUTION: {\n          width: attributes.width,\n          height: attributes.height\n        },\n        CODECS: attributes.codecs,\n        BANDWIDTH: attributes.bandwidth\n      }, _attributes3['PROGRAM-ID'] = 1, _attributes3),\n      uri: '',\n      endList: (attributes.type || 'static') === 'static',\n      timeline: attributes.periodIndex,\n      resolvedUri: '',\n      targetDuration: attributes.duration,\n      segments: segments,\n      mediaSequence: segments.length ? segments[0].number : 1\n    };\n\n    if (attributes.contentProtection) {\n      playlist.contentProtection = attributes.contentProtection;\n    }\n\n    if (sidx) {\n      playlist.sidx = sidx;\n    }\n\n    return playlist;\n  };\n\n  var toM3u8 = function toM3u8(dashPlaylists, sidxMapping) {\n    var _mediaGroups;\n\n    if (sidxMapping === void 0) {\n      sidxMapping = {};\n    }\n\n    if (!dashPlaylists.length) {\n      return {};\n    } // grab all master attributes\n\n\n    var _dashPlaylists$0$attr = dashPlaylists[0].attributes,\n        duration = _dashPlaylists$0$attr.sourceDuration,\n        _dashPlaylists$0$attr2 = _dashPlaylists$0$attr.type,\n        type = _dashPlaylists$0$attr2 === void 0 ? 'static' : _dashPlaylists$0$attr2,\n        suggestedPresentationDelay = _dashPlaylists$0$attr.suggestedPresentationDelay,\n        _dashPlaylists$0$attr3 = _dashPlaylists$0$attr.minimumUpdatePeriod,\n        minimumUpdatePeriod = _dashPlaylists$0$attr3 === void 0 ? 0 : _dashPlaylists$0$attr3;\n\n    var videoOnly = function videoOnly(_ref4) {\n      var attributes = _ref4.attributes;\n      return attributes.mimeType === 'video/mp4' || attributes.contentType === 'video';\n    };\n\n    var audioOnly = function audioOnly(_ref5) {\n      var attributes = _ref5.attributes;\n      return attributes.mimeType === 'audio/mp4' || attributes.contentType === 'audio';\n    };\n\n    var vttOnly = function vttOnly(_ref6) {\n      var attributes = _ref6.attributes;\n      return attributes.mimeType === 'text/vtt' || attributes.contentType === 'text';\n    };\n\n    var videoPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(videoOnly)).map(formatVideoPlaylist);\n    var audioPlaylists = mergeDiscontiguousPlaylists(dashPlaylists.filter(audioOnly));\n    var vttPlaylists = dashPlaylists.filter(vttOnly);\n    var master = {\n      allowCache: true,\n      discontinuityStarts: [],\n      segments: [],\n      endList: true,\n      mediaGroups: (_mediaGroups = {\n        AUDIO: {},\n        VIDEO: {}\n      }, _mediaGroups['CLOSED-CAPTIONS'] = {}, _mediaGroups.SUBTITLES = {}, _mediaGroups),\n      uri: '',\n      duration: duration,\n      playlists: addSegmentInfoFromSidx(videoPlaylists, sidxMapping),\n      minimumUpdatePeriod: minimumUpdatePeriod * 1000\n    };\n\n    if (type === 'dynamic') {\n      master.suggestedPresentationDelay = suggestedPresentationDelay;\n    }\n\n    if (audioPlaylists.length) {\n      master.mediaGroups.AUDIO.audio = organizeAudioPlaylists(audioPlaylists, sidxMapping);\n    }\n\n    if (vttPlaylists.length) {\n      master.mediaGroups.SUBTITLES.subs = organizeVttPlaylists(vttPlaylists, sidxMapping);\n    }\n\n    return master;\n  };\n  /**\n   * Calculates the R (repetition) value for a live stream (for the final segment\n   * in a manifest where the r value is negative 1)\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {number} time\n   *        current time (typically the total time up until the final segment)\n   * @param {number} duration\n   *        duration property for the given <S />\n   *\n   * @return {number}\n   *        R value to reach the end of the given period\n   */\n\n\n  var getLiveRValue = function getLiveRValue(attributes, time, duration) {\n    var NOW = attributes.NOW,\n        clientOffset = attributes.clientOffset,\n        availabilityStartTime = attributes.availabilityStartTime,\n        _attributes$timescale = attributes.timescale,\n        timescale = _attributes$timescale === void 0 ? 1 : _attributes$timescale,\n        _attributes$start = attributes.start,\n        start = _attributes$start === void 0 ? 0 : _attributes$start,\n        _attributes$minimumUp = attributes.minimumUpdatePeriod,\n        minimumUpdatePeriod = _attributes$minimumUp === void 0 ? 0 : _attributes$minimumUp;\n    var now = (NOW + clientOffset) / 1000;\n    var periodStartWC = availabilityStartTime + start;\n    var periodEndWC = now + minimumUpdatePeriod;\n    var periodDuration = periodEndWC - periodStartWC;\n    return Math.ceil((periodDuration * timescale - time) / duration);\n  };\n  /**\n   * Uses information provided by SegmentTemplate.SegmentTimeline to determine segment\n   * timing and duration\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseByTimeline = function parseByTimeline(attributes, segmentTimeline) {\n    var _attributes$type = attributes.type,\n        type = _attributes$type === void 0 ? 'static' : _attributes$type,\n        _attributes$minimumUp2 = attributes.minimumUpdatePeriod,\n        minimumUpdatePeriod = _attributes$minimumUp2 === void 0 ? 0 : _attributes$minimumUp2,\n        _attributes$media = attributes.media,\n        media = _attributes$media === void 0 ? '' : _attributes$media,\n        sourceDuration = attributes.sourceDuration,\n        _attributes$timescale2 = attributes.timescale,\n        timescale = _attributes$timescale2 === void 0 ? 1 : _attributes$timescale2,\n        _attributes$startNumb = attributes.startNumber,\n        startNumber = _attributes$startNumb === void 0 ? 1 : _attributes$startNumb,\n        timeline = attributes.periodIndex;\n    var segments = [];\n    var time = -1;\n\n    for (var sIndex = 0; sIndex < segmentTimeline.length; sIndex++) {\n      var S = segmentTimeline[sIndex];\n      var duration = S.d;\n      var repeat = S.r || 0;\n      var segmentTime = S.t || 0;\n\n      if (time < 0) {\n        // first segment\n        time = segmentTime;\n      }\n\n      if (segmentTime && segmentTime > time) {\n        // discontinuity\n        // TODO: How to handle this type of discontinuity\n        // timeline++ here would treat it like HLS discontuity and content would\n        // get appended without gap\n        // E.G.\n        //  <S t=\"0\" d=\"1\" />\n        //  <S d=\"1\" />\n        //  <S d=\"1\" />\n        //  <S t=\"5\" d=\"1\" />\n        // would have $Time$ values of [0, 1, 2, 5]\n        // should this be appened at time positions [0, 1, 2, 3],(#EXT-X-DISCONTINUITY)\n        // or [0, 1, 2, gap, gap, 5]? (#EXT-X-GAP)\n        // does the value of sourceDuration consider this when calculating arbitrary\n        // negative @r repeat value?\n        // E.G. Same elements as above with this added at the end\n        //  <S d=\"1\" r=\"-1\" />\n        //  with a sourceDuration of 10\n        // Would the 2 gaps be included in the time duration calculations resulting in\n        // 8 segments with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9] or 10 segments\n        // with $Time$ values of [0, 1, 2, 5, 6, 7, 8, 9, 10, 11] ?\n        time = segmentTime;\n      }\n\n      var count = void 0;\n\n      if (repeat < 0) {\n        var nextS = sIndex + 1;\n\n        if (nextS === segmentTimeline.length) {\n          // last segment\n          if (type === 'dynamic' && minimumUpdatePeriod > 0 && media.indexOf('$Number$') > 0) {\n            count = getLiveRValue(attributes, time, duration);\n          } else {\n            // TODO: This may be incorrect depending on conclusion of TODO above\n            count = (sourceDuration * timescale - time) / duration;\n          }\n        } else {\n          count = (segmentTimeline[nextS].t - time) / duration;\n        }\n      } else {\n        count = repeat + 1;\n      }\n\n      var end = startNumber + segments.length + count;\n      var number = startNumber + segments.length;\n\n      while (number < end) {\n        segments.push({\n          number: number,\n          duration: duration / timescale,\n          time: time,\n          timeline: timeline\n        });\n        time += duration;\n        number++;\n      }\n    }\n\n    return segments;\n  };\n\n  var identifierPattern = /\\$([A-z]*)(?:(%0)([0-9]+)d)?\\$/g;\n  /**\n   * Replaces template identifiers with corresponding values. To be used as the callback\n   * for String.prototype.replace\n   *\n   * @name replaceCallback\n   * @function\n   * @param {string} match\n   *        Entire match of identifier\n   * @param {string} identifier\n   *        Name of matched identifier\n   * @param {string} format\n   *        Format tag string. Its presence indicates that padding is expected\n   * @param {string} width\n   *        Desired length of the replaced value. Values less than this width shall be left\n   *        zero padded\n   * @return {string}\n   *         Replacement for the matched identifier\n   */\n\n  /**\n   * Returns a function to be used as a callback for String.prototype.replace to replace\n   * template identifiers\n   *\n   * @param {Obect} values\n   *        Object containing values that shall be used to replace known identifiers\n   * @param {number} values.RepresentationID\n   *        Value of the Representation@id attribute\n   * @param {number} values.Number\n   *        Number of the corresponding segment\n   * @param {number} values.Bandwidth\n   *        Value of the Representation@bandwidth attribute.\n   * @param {number} values.Time\n   *        Timestamp value of the corresponding segment\n   * @return {replaceCallback}\n   *         Callback to be used with String.prototype.replace to replace identifiers\n   */\n\n  var identifierReplacement = function identifierReplacement(values) {\n    return function (match, identifier, format, width) {\n      if (match === '$$') {\n        // escape sequence\n        return '$';\n      }\n\n      if (typeof values[identifier] === 'undefined') {\n        return match;\n      }\n\n      var value = '' + values[identifier];\n\n      if (identifier === 'RepresentationID') {\n        // Format tag shall not be present with RepresentationID\n        return value;\n      }\n\n      if (!format) {\n        width = 1;\n      } else {\n        width = parseInt(width, 10);\n      }\n\n      if (value.length >= width) {\n        return value;\n      }\n\n      return \"\" + new Array(width - value.length + 1).join('0') + value;\n    };\n  };\n  /**\n   * Constructs a segment url from a template string\n   *\n   * @param {string} url\n   *        Template string to construct url from\n   * @param {Obect} values\n   *        Object containing values that shall be used to replace known identifiers\n   * @param {number} values.RepresentationID\n   *        Value of the Representation@id attribute\n   * @param {number} values.Number\n   *        Number of the corresponding segment\n   * @param {number} values.Bandwidth\n   *        Value of the Representation@bandwidth attribute.\n   * @param {number} values.Time\n   *        Timestamp value of the corresponding segment\n   * @return {string}\n   *         Segment url with identifiers replaced\n   */\n\n\n  var constructTemplateUrl = function constructTemplateUrl(url, values) {\n    return url.replace(identifierPattern, identifierReplacement(values));\n  };\n  /**\n   * Generates a list of objects containing timing and duration information about each\n   * segment needed to generate segment uris and the complete segment object\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {{number: number, duration: number, time: number, timeline: number}[]}\n   *         List of Objects with segment timing and duration info\n   */\n\n\n  var parseTemplateInfo = function parseTemplateInfo(attributes, segmentTimeline) {\n    if (!attributes.duration && !segmentTimeline) {\n      // if neither @duration or SegmentTimeline are present, then there shall be exactly\n      // one media segment\n      return [{\n        number: attributes.startNumber || 1,\n        duration: attributes.sourceDuration,\n        time: 0,\n        timeline: attributes.periodIndex\n      }];\n    }\n\n    if (attributes.duration) {\n      return parseByDuration(attributes);\n    }\n\n    return parseByTimeline(attributes, segmentTimeline);\n  };\n  /**\n   * Generates a list of segments using information provided by the SegmentTemplate element\n   *\n   * @param {Object} attributes\n   *        Object containing all inherited attributes from parent elements with attribute\n   *        names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {Object[]}\n   *         List of segment objects\n   */\n\n\n  var segmentsFromTemplate = function segmentsFromTemplate(attributes, segmentTimeline) {\n    var templateValues = {\n      RepresentationID: attributes.id,\n      Bandwidth: attributes.bandwidth || 0\n    };\n    var _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {\n      sourceURL: '',\n      range: ''\n    } : _attributes$initializ;\n    var mapSegment = urlTypeToSegment({\n      baseUrl: attributes.baseUrl,\n      source: constructTemplateUrl(initialization.sourceURL, templateValues),\n      range: initialization.range\n    });\n    var segments = parseTemplateInfo(attributes, segmentTimeline);\n    return segments.map(function (segment) {\n      templateValues.Number = segment.number;\n      templateValues.Time = segment.time;\n      var uri = constructTemplateUrl(attributes.media || '', templateValues);\n      return {\n        uri: uri,\n        timeline: segment.timeline,\n        duration: segment.duration,\n        resolvedUri: resolveUrl_1(attributes.baseUrl || '', uri),\n        map: mapSegment,\n        number: segment.number\n      };\n    });\n  };\n  /**\n   * Converts a <SegmentUrl> (of type URLType from the DASH spec 5.3.9.2 Table 14)\n   * to an object that matches the output of a segment in videojs/mpd-parser\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @param {Object} segmentUrl\n   *   <SegmentURL> node to translate into a segment object\n   * @return {Object} translated segment object\n   */\n\n\n  var SegmentURLToSegmentObject = function SegmentURLToSegmentObject(attributes, segmentUrl) {\n    var baseUrl = attributes.baseUrl,\n        _attributes$initializ = attributes.initialization,\n        initialization = _attributes$initializ === void 0 ? {} : _attributes$initializ;\n    var initSegment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: initialization.sourceURL,\n      range: initialization.range\n    });\n    var segment = urlTypeToSegment({\n      baseUrl: baseUrl,\n      source: segmentUrl.media,\n      range: segmentUrl.mediaRange\n    });\n    segment.map = initSegment;\n    return segment;\n  };\n  /**\n   * Generates a list of segments using information provided by the SegmentList element\n   * SegmentList (DASH SPEC Section 5.3.9.3.2) contains a set of <SegmentURL> nodes.  Each\n   * node should be translated into segment.\n   *\n   * @param {Object} attributes\n   *   Object containing all inherited attributes from parent elements with attribute\n   *   names as keys\n   * @param {Object[]|undefined} segmentTimeline\n   *        List of objects representing the attributes of each S element contained within\n   *        the SegmentTimeline element\n   * @return {Object.<Array>} list of segments\n   */\n\n\n  var segmentsFromList = function segmentsFromList(attributes, segmentTimeline) {\n    var duration = attributes.duration,\n        _attributes$segmentUr = attributes.segmentUrls,\n        segmentUrls = _attributes$segmentUr === void 0 ? [] : _attributes$segmentUr; // Per spec (5.3.9.2.1) no way to determine segment duration OR\n    // if both SegmentTimeline and @duration are defined, it is outside of spec.\n\n    if (!duration && !segmentTimeline || duration && segmentTimeline) {\n      throw new Error(errors.SEGMENT_TIME_UNSPECIFIED);\n    }\n\n    var segmentUrlMap = segmentUrls.map(function (segmentUrlObject) {\n      return SegmentURLToSegmentObject(attributes, segmentUrlObject);\n    });\n    var segmentTimeInfo;\n\n    if (duration) {\n      segmentTimeInfo = parseByDuration(attributes);\n    }\n\n    if (segmentTimeline) {\n      segmentTimeInfo = parseByTimeline(attributes, segmentTimeline);\n    }\n\n    var segments = segmentTimeInfo.map(function (segmentTime, index) {\n      if (segmentUrlMap[index]) {\n        var segment = segmentUrlMap[index];\n        segment.timeline = segmentTime.timeline;\n        segment.duration = segmentTime.duration;\n        segment.number = segmentTime.number;\n        return segment;\n      } // Since we're mapping we should get rid of any blank segments (in case\n      // the given SegmentTimeline is handling for more elements than we have\n      // SegmentURLs for).\n\n    }).filter(function (segment) {\n      return segment;\n    });\n    return segments;\n  };\n\n  var generateSegments = function generateSegments(_ref) {\n    var attributes = _ref.attributes,\n        segmentInfo = _ref.segmentInfo;\n    var segmentAttributes;\n    var segmentsFn;\n\n    if (segmentInfo.template) {\n      segmentsFn = segmentsFromTemplate;\n      segmentAttributes = merge(attributes, segmentInfo.template);\n    } else if (segmentInfo.base) {\n      segmentsFn = segmentsFromBase;\n      segmentAttributes = merge(attributes, segmentInfo.base);\n    } else if (segmentInfo.list) {\n      segmentsFn = segmentsFromList;\n      segmentAttributes = merge(attributes, segmentInfo.list);\n    }\n\n    var segmentsInfo = {\n      attributes: attributes\n    };\n\n    if (!segmentsFn) {\n      return segmentsInfo;\n    }\n\n    var segments = segmentsFn(segmentAttributes, segmentInfo.timeline); // The @duration attribute will be used to determin the playlist's targetDuration which\n    // must be in seconds. Since we've generated the segment list, we no longer need\n    // @duration to be in @timescale units, so we can convert it here.\n\n    if (segmentAttributes.duration) {\n      var _segmentAttributes = segmentAttributes,\n          duration = _segmentAttributes.duration,\n          _segmentAttributes$ti = _segmentAttributes.timescale,\n          timescale = _segmentAttributes$ti === void 0 ? 1 : _segmentAttributes$ti;\n      segmentAttributes.duration = duration / timescale;\n    } else if (segments.length) {\n      // if there is no @duration attribute, use the largest segment duration as\n      // as target duration\n      segmentAttributes.duration = segments.reduce(function (max, segment) {\n        return Math.max(max, Math.ceil(segment.duration));\n      }, 0);\n    } else {\n      segmentAttributes.duration = 0;\n    }\n\n    segmentsInfo.attributes = segmentAttributes;\n    segmentsInfo.segments = segments; // This is a sidx box without actual segment information\n\n    if (segmentInfo.base && segmentAttributes.indexRange) {\n      segmentsInfo.sidx = segments[0];\n      segmentsInfo.segments = [];\n    }\n\n    return segmentsInfo;\n  };\n\n  var toPlaylists = function toPlaylists(representations) {\n    return representations.map(generateSegments);\n  };\n\n  var findChildren = function findChildren(element, name) {\n    return from(element.childNodes).filter(function (_ref) {\n      var tagName = _ref.tagName;\n      return tagName === name;\n    });\n  };\n\n  var getContent = function getContent(element) {\n    return element.textContent.trim();\n  };\n\n  var parseDuration = function parseDuration(str) {\n    var SECONDS_IN_YEAR = 365 * 24 * 60 * 60;\n    var SECONDS_IN_MONTH = 30 * 24 * 60 * 60;\n    var SECONDS_IN_DAY = 24 * 60 * 60;\n    var SECONDS_IN_HOUR = 60 * 60;\n    var SECONDS_IN_MIN = 60; // P10Y10M10DT10H10M10.1S\n\n    var durationRegex = /P(?:(\\d*)Y)?(?:(\\d*)M)?(?:(\\d*)D)?(?:T(?:(\\d*)H)?(?:(\\d*)M)?(?:([\\d.]*)S)?)?/;\n    var match = durationRegex.exec(str);\n\n    if (!match) {\n      return 0;\n    }\n\n    var _match$slice = match.slice(1),\n        year = _match$slice[0],\n        month = _match$slice[1],\n        day = _match$slice[2],\n        hour = _match$slice[3],\n        minute = _match$slice[4],\n        second = _match$slice[5];\n\n    return parseFloat(year || 0) * SECONDS_IN_YEAR + parseFloat(month || 0) * SECONDS_IN_MONTH + parseFloat(day || 0) * SECONDS_IN_DAY + parseFloat(hour || 0) * SECONDS_IN_HOUR + parseFloat(minute || 0) * SECONDS_IN_MIN + parseFloat(second || 0);\n  };\n\n  var parseDate = function parseDate(str) {\n    // Date format without timezone according to ISO 8601\n    // YYY-MM-DDThh:mm:ss.ssssss\n    var dateRegex = /^\\d+-\\d+-\\d+T\\d+:\\d+:\\d+(\\.\\d+)?$/; // If the date string does not specifiy a timezone, we must specifiy UTC. This is\n    // expressed by ending with 'Z'\n\n    if (dateRegex.test(str)) {\n      str += 'Z';\n    }\n\n    return Date.parse(str);\n  };\n\n  var parsers = {\n    /**\n     * Specifies the duration of the entire Media Presentation. Format is a duration string\n     * as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    mediaPresentationDuration: function mediaPresentationDuration(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the Segment availability start time for all Segments referred to in this\n     * MPD. For a dynamic manifest, it specifies the anchor for the earliest availability\n     * time. Format is a date string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The date as seconds from unix epoch\n     */\n    availabilityStartTime: function availabilityStartTime(value) {\n      return parseDate(value) / 1000;\n    },\n\n    /**\n     * Specifies the smallest period between potential changes to the MPD. Format is a\n     * duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    minimumUpdatePeriod: function minimumUpdatePeriod(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the suggested presentation delay. Format is a\n     * duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    suggestedPresentationDelay: function suggestedPresentationDelay(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * specifices the type of mpd. Can be either \"static\" or \"dynamic\"\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     *\n     * @return {string}\n     *         The type as a string\n     */\n    type: function type(value) {\n      return value;\n    },\n\n    /**\n     * Specifies the duration of the smallest time shifting buffer for any Representation\n     * in the MPD. Format is a duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    timeShiftBufferDepth: function timeShiftBufferDepth(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the PeriodStart time of the Period relative to the availabilityStarttime.\n     * Format is a duration string as specified in ISO 8601\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The duration in seconds\n     */\n    start: function start(value) {\n      return parseDuration(value);\n    },\n\n    /**\n     * Specifies the width of the visual presentation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed width\n     */\n    width: function width(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the height of the visual presentation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed height\n     */\n    height: function height(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the bitrate of the representation\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed bandwidth\n     */\n    bandwidth: function bandwidth(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the number of the first Media Segment in this Representation in the Period\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed number\n     */\n    startNumber: function startNumber(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the timescale in units per seconds\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The aprsed timescale\n     */\n    timescale: function timescale(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the constant approximate Segment duration\n     * NOTE: The <Period> element also contains an @duration attribute. This duration\n     *       specifies the duration of the Period. This attribute is currently not\n     *       supported by the rest of the parser, however we still check for it to prevent\n     *       errors.\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed duration\n     */\n    duration: function duration(value) {\n      var parsedValue = parseInt(value, 10);\n\n      if (isNaN(parsedValue)) {\n        return parseDuration(value);\n      }\n\n      return parsedValue;\n    },\n\n    /**\n     * Specifies the Segment duration, in units of the value of the @timescale.\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed duration\n     */\n    d: function d(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the MPD start time, in @timescale units, the first Segment in the series\n     * starts relative to the beginning of the Period\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed time\n     */\n    t: function t(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Specifies the repeat count of the number of following contiguous Segments with the\n     * same duration expressed by the value of @d\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {number}\n     *         The parsed number\n     */\n    r: function r(value) {\n      return parseInt(value, 10);\n    },\n\n    /**\n     * Default parser for all other attributes. Acts as a no-op and just returns the value\n     * as a string\n     *\n     * @param {string} value\n     *        value of attribute as a string\n     * @return {string}\n     *         Unparsed value\n     */\n    DEFAULT: function DEFAULT(value) {\n      return value;\n    }\n  };\n  /**\n   * Gets all the attributes and values of the provided node, parses attributes with known\n   * types, and returns an object with attribute names mapped to values.\n   *\n   * @param {Node} el\n   *        The node to parse attributes from\n   * @return {Object}\n   *         Object with all attributes of el parsed\n   */\n\n  var parseAttributes$1 = function parseAttributes(el) {\n    if (!(el && el.attributes)) {\n      return {};\n    }\n\n    return from(el.attributes).reduce(function (a, e) {\n      var parseFn = parsers[e.name] || parsers.DEFAULT;\n      a[e.name] = parseFn(e.value);\n      return a;\n    }, {});\n  };\n\n  var keySystemsMap = {\n    'urn:uuid:1077efec-c0b2-4d02-ace3-3c1e52e2fb4b': 'org.w3.clearkey',\n    'urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed': 'com.widevine.alpha',\n    'urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95': 'com.microsoft.playready',\n    'urn:uuid:f239e769-efa3-4850-9c16-a903c6932efb': 'com.adobe.primetime'\n  };\n  /**\n   * Builds a list of urls that is the product of the reference urls and BaseURL values\n   *\n   * @param {string[]} referenceUrls\n   *        List of reference urls to resolve to\n   * @param {Node[]} baseUrlElements\n   *        List of BaseURL nodes from the mpd\n   * @return {string[]}\n   *         List of resolved urls\n   */\n\n  var buildBaseUrls = function buildBaseUrls(referenceUrls, baseUrlElements) {\n    if (!baseUrlElements.length) {\n      return referenceUrls;\n    }\n\n    return flatten(referenceUrls.map(function (reference) {\n      return baseUrlElements.map(function (baseUrlElement) {\n        return resolveUrl_1(reference, getContent(baseUrlElement));\n      });\n    }));\n  };\n  /**\n   * Contains all Segment information for its containing AdaptationSet\n   *\n   * @typedef {Object} SegmentInformation\n   * @property {Object|undefined} template\n   *           Contains the attributes for the SegmentTemplate node\n   * @property {Object[]|undefined} timeline\n   *           Contains a list of atrributes for each S node within the SegmentTimeline node\n   * @property {Object|undefined} list\n   *           Contains the attributes for the SegmentList node\n   * @property {Object|undefined} base\n   *           Contains the attributes for the SegmentBase node\n   */\n\n  /**\n   * Returns all available Segment information contained within the AdaptationSet node\n   *\n   * @param {Node} adaptationSet\n   *        The AdaptationSet node to get Segment information from\n   * @return {SegmentInformation}\n   *         The Segment information contained within the provided AdaptationSet\n   */\n\n\n  var getSegmentInformation = function getSegmentInformation(adaptationSet) {\n    var segmentTemplate = findChildren(adaptationSet, 'SegmentTemplate')[0];\n    var segmentList = findChildren(adaptationSet, 'SegmentList')[0];\n    var segmentUrls = segmentList && findChildren(segmentList, 'SegmentURL').map(function (s) {\n      return merge({\n        tag: 'SegmentURL'\n      }, parseAttributes$1(s));\n    });\n    var segmentBase = findChildren(adaptationSet, 'SegmentBase')[0];\n    var segmentTimelineParentNode = segmentList || segmentTemplate;\n    var segmentTimeline = segmentTimelineParentNode && findChildren(segmentTimelineParentNode, 'SegmentTimeline')[0];\n    var segmentInitializationParentNode = segmentList || segmentBase || segmentTemplate;\n    var segmentInitialization = segmentInitializationParentNode && findChildren(segmentInitializationParentNode, 'Initialization')[0]; // SegmentTemplate is handled slightly differently, since it can have both\n    // @initialization and an <Initialization> node.  @initialization can be templated,\n    // while the node can have a url and range specified.  If the <SegmentTemplate> has\n    // both @initialization and an <Initialization> subelement we opt to override with\n    // the node, as this interaction is not defined in the spec.\n\n    var template = segmentTemplate && parseAttributes$1(segmentTemplate);\n\n    if (template && segmentInitialization) {\n      template.initialization = segmentInitialization && parseAttributes$1(segmentInitialization);\n    } else if (template && template.initialization) {\n      // If it is @initialization we convert it to an object since this is the format that\n      // later functions will rely on for the initialization segment.  This is only valid\n      // for <SegmentTemplate>\n      template.initialization = {\n        sourceURL: template.initialization\n      };\n    }\n\n    var segmentInfo = {\n      template: template,\n      timeline: segmentTimeline && findChildren(segmentTimeline, 'S').map(function (s) {\n        return parseAttributes$1(s);\n      }),\n      list: segmentList && merge(parseAttributes$1(segmentList), {\n        segmentUrls: segmentUrls,\n        initialization: parseAttributes$1(segmentInitialization)\n      }),\n      base: segmentBase && merge(parseAttributes$1(segmentBase), {\n        initialization: parseAttributes$1(segmentInitialization)\n      })\n    };\n    Object.keys(segmentInfo).forEach(function (key) {\n      if (!segmentInfo[key]) {\n        delete segmentInfo[key];\n      }\n    });\n    return segmentInfo;\n  };\n  /**\n   * Contains Segment information and attributes needed to construct a Playlist object\n   * from a Representation\n   *\n   * @typedef {Object} RepresentationInformation\n   * @property {SegmentInformation} segmentInfo\n   *           Segment information for this Representation\n   * @property {Object} attributes\n   *           Inherited attributes for this Representation\n   */\n\n  /**\n   * Maps a Representation node to an object containing Segment information and attributes\n   *\n   * @name inheritBaseUrlsCallback\n   * @function\n   * @param {Node} representation\n   *        Representation node from the mpd\n   * @return {RepresentationInformation}\n   *         Representation information needed to construct a Playlist object\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping Representation nodes to\n   * Segment information and attributes using inherited BaseURL nodes.\n   *\n   * @param {Object} adaptationSetAttributes\n   *        Contains attributes inherited by the AdaptationSet\n   * @param {string[]} adaptationSetBaseUrls\n   *        Contains list of resolved base urls inherited by the AdaptationSet\n   * @param {SegmentInformation} adaptationSetSegmentInfo\n   *        Contains Segment information for the AdaptationSet\n   * @return {inheritBaseUrlsCallback}\n   *         Callback map function\n   */\n\n\n  var inheritBaseUrls = function inheritBaseUrls(adaptationSetAttributes, adaptationSetBaseUrls, adaptationSetSegmentInfo) {\n    return function (representation) {\n      var repBaseUrlElements = findChildren(representation, 'BaseURL');\n      var repBaseUrls = buildBaseUrls(adaptationSetBaseUrls, repBaseUrlElements);\n      var attributes = merge(adaptationSetAttributes, parseAttributes$1(representation));\n      var representationSegmentInfo = getSegmentInformation(representation);\n      return repBaseUrls.map(function (baseUrl) {\n        return {\n          segmentInfo: merge(adaptationSetSegmentInfo, representationSegmentInfo),\n          attributes: merge(attributes, {\n            baseUrl: baseUrl\n          })\n        };\n      });\n    };\n  };\n  /**\n   * Tranforms a series of content protection nodes to\n   * an object containing pssh data by key system\n   *\n   * @param {Node[]} contentProtectionNodes\n   *        Content protection nodes\n   * @return {Object}\n   *        Object containing pssh data by key system\n   */\n\n\n  var generateKeySystemInformation = function generateKeySystemInformation(contentProtectionNodes) {\n    return contentProtectionNodes.reduce(function (acc, node) {\n      var attributes = parseAttributes$1(node);\n      var keySystem = keySystemsMap[attributes.schemeIdUri];\n\n      if (keySystem) {\n        acc[keySystem] = {\n          attributes: attributes\n        };\n        var psshNode = findChildren(node, 'cenc:pssh')[0];\n\n        if (psshNode) {\n          var pssh = getContent(psshNode);\n          var psshBuffer = pssh && decodeB64ToUint8Array_1(pssh);\n          acc[keySystem].pssh = psshBuffer;\n        }\n      }\n\n      return acc;\n    }, {});\n  };\n  /**\n   * Maps an AdaptationSet node to a list of Representation information objects\n   *\n   * @name toRepresentationsCallback\n   * @function\n   * @param {Node} adaptationSet\n   *        AdaptationSet node from the mpd\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representaion information\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping AdaptationSet nodes to a list of\n   * Representation information objects\n   *\n   * @param {Object} periodAttributes\n   *        Contains attributes inherited by the Period\n   * @param {string[]} periodBaseUrls\n   *        Contains list of resolved base urls inherited by the Period\n   * @param {string[]} periodSegmentInfo\n   *        Contains Segment Information at the period level\n   * @return {toRepresentationsCallback}\n   *         Callback map function\n   */\n\n\n  var toRepresentations = function toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo) {\n    return function (adaptationSet) {\n      var adaptationSetAttributes = parseAttributes$1(adaptationSet);\n      var adaptationSetBaseUrls = buildBaseUrls(periodBaseUrls, findChildren(adaptationSet, 'BaseURL'));\n      var role = findChildren(adaptationSet, 'Role')[0];\n      var roleAttributes = {\n        role: parseAttributes$1(role)\n      };\n      var attrs = merge(periodAttributes, adaptationSetAttributes, roleAttributes);\n      var contentProtection = generateKeySystemInformation(findChildren(adaptationSet, 'ContentProtection'));\n\n      if (Object.keys(contentProtection).length) {\n        attrs = merge(attrs, {\n          contentProtection: contentProtection\n        });\n      }\n\n      var segmentInfo = getSegmentInformation(adaptationSet);\n      var representations = findChildren(adaptationSet, 'Representation');\n      var adaptationSetSegmentInfo = merge(periodSegmentInfo, segmentInfo);\n      return flatten(representations.map(inheritBaseUrls(attrs, adaptationSetBaseUrls, adaptationSetSegmentInfo)));\n    };\n  };\n  /**\n   * Maps an Period node to a list of Representation inforamtion objects for all\n   * AdaptationSet nodes contained within the Period\n   *\n   * @name toAdaptationSetsCallback\n   * @function\n   * @param {Node} period\n   *        Period node from the mpd\n   * @param {number} periodIndex\n   *        Index of the Period within the mpd\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representaion information\n   */\n\n  /**\n   * Returns a callback for Array.prototype.map for mapping Period nodes to a list of\n   * Representation information objects\n   *\n   * @param {Object} mpdAttributes\n   *        Contains attributes inherited by the mpd\n   * @param {string[]} mpdBaseUrls\n   *        Contains list of resolved base urls inherited by the mpd\n   * @return {toAdaptationSetsCallback}\n   *         Callback map function\n   */\n\n\n  var toAdaptationSets = function toAdaptationSets(mpdAttributes, mpdBaseUrls) {\n    return function (period, index) {\n      var periodBaseUrls = buildBaseUrls(mpdBaseUrls, findChildren(period, 'BaseURL'));\n      var periodAtt = parseAttributes$1(period);\n      var parsedPeriodId = parseInt(periodAtt.id, 10); // fallback to mapping index if Period@id is not a number\n\n      var periodIndex = window$3.isNaN(parsedPeriodId) ? index : parsedPeriodId;\n      var periodAttributes = merge(mpdAttributes, {\n        periodIndex: periodIndex\n      });\n      var adaptationSets = findChildren(period, 'AdaptationSet');\n      var periodSegmentInfo = getSegmentInformation(period);\n      return flatten(adaptationSets.map(toRepresentations(periodAttributes, periodBaseUrls, periodSegmentInfo)));\n    };\n  };\n  /**\n   * Traverses the mpd xml tree to generate a list of Representation information objects\n   * that have inherited attributes from parent nodes\n   *\n   * @param {Node} mpd\n   *        The root node of the mpd\n   * @param {Object} options\n   *        Available options for inheritAttributes\n   * @param {string} options.manifestUri\n   *        The uri source of the mpd\n   * @param {number} options.NOW\n   *        Current time per DASH IOP.  Default is current time in ms since epoch\n   * @param {number} options.clientOffset\n   *        Client time difference from NOW (in milliseconds)\n   * @return {RepresentationInformation[]}\n   *         List of objects containing Representation information\n   */\n\n\n  var inheritAttributes = function inheritAttributes(mpd, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    var _options = options,\n        _options$manifestUri = _options.manifestUri,\n        manifestUri = _options$manifestUri === void 0 ? '' : _options$manifestUri,\n        _options$NOW = _options.NOW,\n        NOW = _options$NOW === void 0 ? Date.now() : _options$NOW,\n        _options$clientOffset = _options.clientOffset,\n        clientOffset = _options$clientOffset === void 0 ? 0 : _options$clientOffset;\n    var periods = findChildren(mpd, 'Period');\n\n    if (!periods.length) {\n      throw new Error(errors.INVALID_NUMBER_OF_PERIOD);\n    }\n\n    var mpdAttributes = parseAttributes$1(mpd);\n    var mpdBaseUrls = buildBaseUrls([manifestUri], findChildren(mpd, 'BaseURL'));\n    mpdAttributes.sourceDuration = mpdAttributes.mediaPresentationDuration || 0;\n    mpdAttributes.NOW = NOW;\n    mpdAttributes.clientOffset = clientOffset;\n    return flatten(periods.map(toAdaptationSets(mpdAttributes, mpdBaseUrls)));\n  };\n\n  var stringToMpdXml = function stringToMpdXml(manifestString) {\n    if (manifestString === '') {\n      throw new Error(errors.DASH_EMPTY_MANIFEST);\n    }\n\n    var parser = new domParser_3();\n    var xml = parser.parseFromString(manifestString, 'application/xml');\n    var mpd = xml && xml.documentElement.tagName === 'MPD' ? xml.documentElement : null;\n\n    if (!mpd || mpd && mpd.getElementsByTagName('parsererror').length > 0) {\n      throw new Error(errors.DASH_INVALID_XML);\n    }\n\n    return mpd;\n  };\n  /**\n   * Parses the manifest for a UTCTiming node, returning the nodes attributes if found\n   *\n   * @param {string} mpd\n   *        XML string of the MPD manifest\n   * @return {Object|null}\n   *         Attributes of UTCTiming node specified in the manifest. Null if none found\n   */\n\n\n  var parseUTCTimingScheme = function parseUTCTimingScheme(mpd) {\n    var UTCTimingNode = findChildren(mpd, 'UTCTiming')[0];\n\n    if (!UTCTimingNode) {\n      return null;\n    }\n\n    var attributes = parseAttributes$1(UTCTimingNode);\n\n    switch (attributes.schemeIdUri) {\n      case 'urn:mpeg:dash:utc:http-head:2014':\n      case 'urn:mpeg:dash:utc:http-head:2012':\n        attributes.method = 'HEAD';\n        break;\n\n      case 'urn:mpeg:dash:utc:http-xsdate:2014':\n      case 'urn:mpeg:dash:utc:http-iso:2014':\n      case 'urn:mpeg:dash:utc:http-xsdate:2012':\n      case 'urn:mpeg:dash:utc:http-iso:2012':\n        attributes.method = 'GET';\n        break;\n\n      case 'urn:mpeg:dash:utc:direct:2014':\n      case 'urn:mpeg:dash:utc:direct:2012':\n        attributes.method = 'DIRECT';\n        attributes.value = Date.parse(attributes.value);\n        break;\n\n      case 'urn:mpeg:dash:utc:http-ntp:2014':\n      case 'urn:mpeg:dash:utc:ntp:2014':\n      case 'urn:mpeg:dash:utc:sntp:2014':\n      default:\n        throw new Error(errors.UNSUPPORTED_UTC_TIMING_SCHEME);\n    }\n\n    return attributes;\n  };\n\n  var parse = function parse(manifestString, options) {\n    if (options === void 0) {\n      options = {};\n    }\n\n    return toM3u8(toPlaylists(inheritAttributes(stringToMpdXml(manifestString), options)), options.sidxMapping);\n  };\n  /**\n   * Parses the manifest for a UTCTiming node, returning the nodes attributes if found\n   *\n   * @param {string} manifestString\n   *        XML string of the MPD manifest\n   * @return {Object|null}\n   *         Attributes of UTCTiming node specified in the manifest. Null if none found\n   */\n\n\n  var parseUTCTiming = function parseUTCTiming(manifestString) {\n    return parseUTCTimingScheme(stringToMpdXml(manifestString));\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n  var toUnsigned = function toUnsigned(value) {\n    return value >>> 0;\n  };\n\n  var toHexString = function toHexString(value) {\n    return ('00' + value.toString(16)).slice(-2);\n  };\n\n  var bin = {\n    toUnsigned: toUnsigned,\n    toHexString: toHexString\n  };\n\n  var inspectMp4,\n      _textifyMp,\n      toUnsigned$1 = bin.toUnsigned,\n      parseMp4Date = function parseMp4Date(seconds) {\n    return new Date(seconds * 1000 - 2082844800000);\n  },\n      parseSampleFlags = function parseSampleFlags(flags) {\n    return {\n      isLeading: (flags[0] & 0x0c) >>> 2,\n      dependsOn: flags[0] & 0x03,\n      isDependedOn: (flags[1] & 0xc0) >>> 6,\n      hasRedundancy: (flags[1] & 0x30) >>> 4,\n      paddingValue: (flags[1] & 0x0e) >>> 1,\n      isNonSyncSample: flags[1] & 0x01,\n      degradationPriority: flags[2] << 8 | flags[3]\n    };\n  },\n\n  /**\n   * Returns the string representation of an ASCII encoded four byte buffer.\n   * @param buffer {Uint8Array} a four-byte buffer to translate\n   * @return {string} the corresponding string\n   */\n  parseType = function parseType(buffer) {\n    var result = '';\n    result += String.fromCharCode(buffer[0]);\n    result += String.fromCharCode(buffer[1]);\n    result += String.fromCharCode(buffer[2]);\n    result += String.fromCharCode(buffer[3]);\n    return result;\n  },\n      // Find the data for a box specified by its path\n  findBox = function findBox(data, path) {\n    var results = [],\n        i,\n        size,\n        type,\n        end,\n        subresults;\n\n    if (!path.length) {\n      // short-circuit the search for empty paths\n      return null;\n    }\n\n    for (i = 0; i < data.byteLength;) {\n      size = toUnsigned$1(data[i] << 24 | data[i + 1] << 16 | data[i + 2] << 8 | data[i + 3]);\n      type = parseType(data.subarray(i + 4, i + 8));\n      end = size > 1 ? i + size : data.byteLength;\n\n      if (type === path[0]) {\n        if (path.length === 1) {\n          // this is the end of the path and we've found the box we were\n          // looking for\n          results.push(data.subarray(i + 8, end));\n        } else {\n          // recursively search for the next box along the path\n          subresults = findBox(data.subarray(i + 8, end), path.slice(1));\n\n          if (subresults.length) {\n            results = results.concat(subresults);\n          }\n        }\n      }\n\n      i = end;\n    } // we've finished searching all of data\n\n\n    return results;\n  },\n      nalParse = function nalParse(avcStream) {\n    var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),\n        result = [],\n        i,\n        length;\n\n    for (i = 0; i + 4 < avcStream.length; i += length) {\n      length = avcView.getUint32(i);\n      i += 4; // bail if this doesn't appear to be an H264 stream\n\n      if (length <= 0) {\n        result.push('<span style=\\'color:red;\\'>MALFORMED DATA</span>');\n        continue;\n      }\n\n      switch (avcStream[i] & 0x1F) {\n        case 0x01:\n          result.push('slice_layer_without_partitioning_rbsp');\n          break;\n\n        case 0x05:\n          result.push('slice_layer_without_partitioning_rbsp_idr');\n          break;\n\n        case 0x06:\n          result.push('sei_rbsp');\n          break;\n\n        case 0x07:\n          result.push('seq_parameter_set_rbsp');\n          break;\n\n        case 0x08:\n          result.push('pic_parameter_set_rbsp');\n          break;\n\n        case 0x09:\n          result.push('access_unit_delimiter_rbsp');\n          break;\n\n        default:\n          result.push('UNKNOWN NAL - ' + avcStream[i] & 0x1F);\n          break;\n      }\n    }\n\n    return result;\n  },\n      // registry of handlers for individual mp4 box types\n  parse$1 = {\n    // codingname, not a first-class box type. stsd entries share the\n    // same format as real boxes so the parsing infrastructure can be\n    // shared\n    avc1: function avc1(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        dataReferenceIndex: view.getUint16(6),\n        width: view.getUint16(24),\n        height: view.getUint16(26),\n        horizresolution: view.getUint16(28) + view.getUint16(30) / 16,\n        vertresolution: view.getUint16(32) + view.getUint16(34) / 16,\n        frameCount: view.getUint16(40),\n        depth: view.getUint16(74),\n        config: inspectMp4(data.subarray(78, data.byteLength))\n      };\n    },\n    avcC: function avcC(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        configurationVersion: data[0],\n        avcProfileIndication: data[1],\n        profileCompatibility: data[2],\n        avcLevelIndication: data[3],\n        lengthSizeMinusOne: data[4] & 0x03,\n        sps: [],\n        pps: []\n      },\n          numOfSequenceParameterSets = data[5] & 0x1f,\n          numOfPictureParameterSets,\n          nalSize,\n          offset,\n          i; // iterate past any SPSs\n\n      offset = 6;\n\n      for (i = 0; i < numOfSequenceParameterSets; i++) {\n        nalSize = view.getUint16(offset);\n        offset += 2;\n        result.sps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));\n        offset += nalSize;\n      } // iterate past any PPSs\n\n\n      numOfPictureParameterSets = data[offset];\n      offset++;\n\n      for (i = 0; i < numOfPictureParameterSets; i++) {\n        nalSize = view.getUint16(offset);\n        offset += 2;\n        result.pps.push(new Uint8Array(data.subarray(offset, offset + nalSize)));\n        offset += nalSize;\n      }\n\n      return result;\n    },\n    btrt: function btrt(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        bufferSizeDB: view.getUint32(0),\n        maxBitrate: view.getUint32(4),\n        avgBitrate: view.getUint32(8)\n      };\n    },\n    esds: function esds(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        esId: data[6] << 8 | data[7],\n        streamPriority: data[8] & 0x1f,\n        decoderConfig: {\n          objectProfileIndication: data[11],\n          streamType: data[12] >>> 2 & 0x3f,\n          bufferSize: data[13] << 16 | data[14] << 8 | data[15],\n          maxBitrate: data[16] << 24 | data[17] << 16 | data[18] << 8 | data[19],\n          avgBitrate: data[20] << 24 | data[21] << 16 | data[22] << 8 | data[23],\n          decoderConfigDescriptor: {\n            tag: data[24],\n            length: data[25],\n            audioObjectType: data[26] >>> 3 & 0x1f,\n            samplingFrequencyIndex: (data[26] & 0x07) << 1 | data[27] >>> 7 & 0x01,\n            channelConfiguration: data[27] >>> 3 & 0x0f\n          }\n        }\n      };\n    },\n    ftyp: function ftyp(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        majorBrand: parseType(data.subarray(0, 4)),\n        minorVersion: view.getUint32(4),\n        compatibleBrands: []\n      },\n          i = 8;\n\n      while (i < data.byteLength) {\n        result.compatibleBrands.push(parseType(data.subarray(i, i + 4)));\n        i += 4;\n      }\n\n      return result;\n    },\n    dinf: function dinf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    dref: function dref(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        dataReferences: inspectMp4(data.subarray(8))\n      };\n    },\n    hdlr: function hdlr(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        handlerType: parseType(data.subarray(8, 12)),\n        name: ''\n      },\n          i = 8; // parse out the name field\n\n      for (i = 24; i < data.byteLength; i++) {\n        if (data[i] === 0x00) {\n          // the name field is null-terminated\n          i++;\n          break;\n        }\n\n        result.name += String.fromCharCode(data[i]);\n      } // decode UTF-8 to javascript's internal representation\n      // see http://ecmanaut.blogspot.com/2006/07/encoding-decoding-utf8-in-javascript.html\n\n\n      result.name = decodeURIComponent(escape(result.name));\n      return result;\n    },\n    mdat: function mdat(data) {\n      return {\n        byteLength: data.byteLength,\n        nals: nalParse(data)\n      };\n    },\n    mdhd: function mdhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          language,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        language: ''\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4; // language is stored as an ISO-639-2/T code in an array of three 5-bit fields\n      // each field is the packed difference between its ASCII value and 0x60\n\n      language = view.getUint16(i);\n      result.language += String.fromCharCode((language >> 10) + 0x60);\n      result.language += String.fromCharCode(((language & 0x03e0) >> 5) + 0x60);\n      result.language += String.fromCharCode((language & 0x1f) + 0x60);\n      return result;\n    },\n    mdia: function mdia(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mfhd: function mfhd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sequenceNumber: data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7]\n      };\n    },\n    minf: function minf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    // codingname, not a first-class box type. stsd entries share the\n    // same format as real boxes so the parsing infrastructure can be\n    // shared\n    mp4a: function mp4a(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        // 6 bytes reserved\n        dataReferenceIndex: view.getUint16(6),\n        // 4 + 4 bytes reserved\n        channelcount: view.getUint16(16),\n        samplesize: view.getUint16(18),\n        // 2 bytes pre_defined\n        // 2 bytes reserved\n        samplerate: view.getUint16(24) + view.getUint16(26) / 65536\n      }; // if there are more bytes to process, assume this is an ISO/IEC\n      // 14496-14 MP4AudioSampleEntry and parse the ESDBox\n\n      if (data.byteLength > 28) {\n        result.streamDescriptor = inspectMp4(data.subarray(28))[0];\n      }\n\n      return result;\n    },\n    moof: function moof(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    moov: function moov(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mvex: function mvex(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    mvhd: function mvhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.timescale = view.getUint32(i);\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4; // convert fixed-point, base 16 back to a number\n\n      result.rate = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      i += 4;\n      result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;\n      i += 2;\n      i += 2;\n      i += 2 * 4;\n      result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));\n      i += 9 * 4;\n      i += 6 * 4;\n      result.nextTrackId = view.getUint32(i);\n      return result;\n    },\n    pdin: function pdin(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4)),\n        rate: view.getUint32(4),\n        initialDelay: view.getUint32(8)\n      };\n    },\n    sdtp: function sdtp(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        samples: []\n      },\n          i;\n\n      for (i = 4; i < data.byteLength; i++) {\n        result.samples.push({\n          dependsOn: (data[i] & 0x30) >> 4,\n          isDependedOn: (data[i] & 0x0c) >> 2,\n          hasRedundancy: data[i] & 0x03\n        });\n      }\n\n      return result;\n    },\n    sidx: function sidx(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        references: [],\n        referenceId: view.getUint32(4),\n        timescale: view.getUint32(8),\n        earliestPresentationTime: view.getUint32(12),\n        firstOffset: view.getUint32(16)\n      },\n          referenceCount = view.getUint16(22),\n          i;\n\n      for (i = 24; referenceCount; i += 12, referenceCount--) {\n        result.references.push({\n          referenceType: (data[i] & 0x80) >>> 7,\n          referencedSize: view.getUint32(i) & 0x7FFFFFFF,\n          subsegmentDuration: view.getUint32(i + 4),\n          startsWithSap: !!(data[i + 8] & 0x80),\n          sapType: (data[i + 8] & 0x70) >>> 4,\n          sapDeltaTime: view.getUint32(i + 8) & 0x0FFFFFFF\n        });\n      }\n\n      return result;\n    },\n    smhd: function smhd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        balance: data[4] + data[5] / 256\n      };\n    },\n    stbl: function stbl(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    stco: function stco(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        chunkOffsets: []\n      },\n          entryCount = view.getUint32(4),\n          i;\n\n      for (i = 8; entryCount; i += 4, entryCount--) {\n        result.chunkOffsets.push(view.getUint32(i));\n      }\n\n      return result;\n    },\n    stsc: function stsc(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          entryCount = view.getUint32(4),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleToChunks: []\n      },\n          i;\n\n      for (i = 8; entryCount; i += 12, entryCount--) {\n        result.sampleToChunks.push({\n          firstChunk: view.getUint32(i),\n          samplesPerChunk: view.getUint32(i + 4),\n          sampleDescriptionIndex: view.getUint32(i + 8)\n        });\n      }\n\n      return result;\n    },\n    stsd: function stsd(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleDescriptions: inspectMp4(data.subarray(8))\n      };\n    },\n    stsz: function stsz(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        sampleSize: view.getUint32(4),\n        entries: []\n      },\n          i;\n\n      for (i = 12; i < data.byteLength; i += 4) {\n        result.entries.push(view.getUint32(i));\n      }\n\n      return result;\n    },\n    stts: function stts(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        timeToSamples: []\n      },\n          entryCount = view.getUint32(4),\n          i;\n\n      for (i = 8; entryCount; i += 8, entryCount--) {\n        result.timeToSamples.push({\n          sampleCount: view.getUint32(i),\n          sampleDelta: view.getUint32(i + 4)\n        });\n      }\n\n      return result;\n    },\n    styp: function styp(data) {\n      return parse$1.ftyp(data);\n    },\n    tfdt: function tfdt(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        baseMediaDecodeTime: toUnsigned$1(data[4] << 24 | data[5] << 16 | data[6] << 8 | data[7])\n      };\n\n      if (result.version === 1) {\n        result.baseMediaDecodeTime *= Math.pow(2, 32);\n        result.baseMediaDecodeTime += toUnsigned$1(data[8] << 24 | data[9] << 16 | data[10] << 8 | data[11]);\n      }\n\n      return result;\n    },\n    tfhd: function tfhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        trackId: view.getUint32(4)\n      },\n          baseDataOffsetPresent = result.flags[2] & 0x01,\n          sampleDescriptionIndexPresent = result.flags[2] & 0x02,\n          defaultSampleDurationPresent = result.flags[2] & 0x08,\n          defaultSampleSizePresent = result.flags[2] & 0x10,\n          defaultSampleFlagsPresent = result.flags[2] & 0x20,\n          durationIsEmpty = result.flags[0] & 0x010000,\n          defaultBaseIsMoof = result.flags[0] & 0x020000,\n          i;\n      i = 8;\n\n      if (baseDataOffsetPresent) {\n        i += 4; // truncate top 4 bytes\n        // FIXME: should we read the full 64 bits?\n\n        result.baseDataOffset = view.getUint32(12);\n        i += 4;\n      }\n\n      if (sampleDescriptionIndexPresent) {\n        result.sampleDescriptionIndex = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleDurationPresent) {\n        result.defaultSampleDuration = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleSizePresent) {\n        result.defaultSampleSize = view.getUint32(i);\n        i += 4;\n      }\n\n      if (defaultSampleFlagsPresent) {\n        result.defaultSampleFlags = view.getUint32(i);\n      }\n\n      if (durationIsEmpty) {\n        result.durationIsEmpty = true;\n      }\n\n      if (!baseDataOffsetPresent && defaultBaseIsMoof) {\n        result.baseDataOffsetIsMoof = true;\n      }\n\n      return result;\n    },\n    tkhd: function tkhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          i = 4,\n          result = {\n        version: view.getUint8(0),\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n\n      if (result.version === 1) {\n        i += 4;\n        result.creationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 8;\n        result.modificationTime = parseMp4Date(view.getUint32(i)); // truncating top 4 bytes\n\n        i += 4;\n        result.trackId = view.getUint32(i);\n        i += 4;\n        i += 8;\n        result.duration = view.getUint32(i); // truncating top 4 bytes\n      } else {\n        result.creationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.modificationTime = parseMp4Date(view.getUint32(i));\n        i += 4;\n        result.trackId = view.getUint32(i);\n        i += 4;\n        i += 4;\n        result.duration = view.getUint32(i);\n      }\n\n      i += 4;\n      i += 2 * 4;\n      result.layer = view.getUint16(i);\n      i += 2;\n      result.alternateGroup = view.getUint16(i);\n      i += 2; // convert fixed-point, base 16 back to a number\n\n      result.volume = view.getUint8(i) + view.getUint8(i + 1) / 8;\n      i += 2;\n      i += 2;\n      result.matrix = new Uint32Array(data.subarray(i, i + 9 * 4));\n      i += 9 * 4;\n      result.width = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      i += 4;\n      result.height = view.getUint16(i) + view.getUint16(i + 2) / 16;\n      return result;\n    },\n    traf: function traf(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    trak: function trak(data) {\n      return {\n        boxes: inspectMp4(data)\n      };\n    },\n    trex: function trex(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        trackId: view.getUint32(4),\n        defaultSampleDescriptionIndex: view.getUint32(8),\n        defaultSampleDuration: view.getUint32(12),\n        defaultSampleSize: view.getUint32(16),\n        sampleDependsOn: data[20] & 0x03,\n        sampleIsDependedOn: (data[21] & 0xc0) >> 6,\n        sampleHasRedundancy: (data[21] & 0x30) >> 4,\n        samplePaddingValue: (data[21] & 0x0e) >> 1,\n        sampleIsDifferenceSample: !!(data[21] & 0x01),\n        sampleDegradationPriority: view.getUint16(22)\n      };\n    },\n    trun: function trun(data) {\n      var result = {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        samples: []\n      },\n          view = new DataView(data.buffer, data.byteOffset, data.byteLength),\n          // Flag interpretation\n      dataOffsetPresent = result.flags[2] & 0x01,\n          // compare with 2nd byte of 0x1\n      firstSampleFlagsPresent = result.flags[2] & 0x04,\n          // compare with 2nd byte of 0x4\n      sampleDurationPresent = result.flags[1] & 0x01,\n          // compare with 2nd byte of 0x100\n      sampleSizePresent = result.flags[1] & 0x02,\n          // compare with 2nd byte of 0x200\n      sampleFlagsPresent = result.flags[1] & 0x04,\n          // compare with 2nd byte of 0x400\n      sampleCompositionTimeOffsetPresent = result.flags[1] & 0x08,\n          // compare with 2nd byte of 0x800\n      sampleCount = view.getUint32(4),\n          offset = 8,\n          sample;\n\n      if (dataOffsetPresent) {\n        // 32 bit signed integer\n        result.dataOffset = view.getInt32(offset);\n        offset += 4;\n      } // Overrides the flags for the first sample only. The order of\n      // optional values will be: duration, size, compositionTimeOffset\n\n\n      if (firstSampleFlagsPresent && sampleCount) {\n        sample = {\n          flags: parseSampleFlags(data.subarray(offset, offset + 4))\n        };\n        offset += 4;\n\n        if (sampleDurationPresent) {\n          sample.duration = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleSizePresent) {\n          sample.size = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleCompositionTimeOffsetPresent) {\n          // Note: this should be a signed int if version is 1\n          sample.compositionTimeOffset = view.getUint32(offset);\n          offset += 4;\n        }\n\n        result.samples.push(sample);\n        sampleCount--;\n      }\n\n      while (sampleCount--) {\n        sample = {};\n\n        if (sampleDurationPresent) {\n          sample.duration = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleSizePresent) {\n          sample.size = view.getUint32(offset);\n          offset += 4;\n        }\n\n        if (sampleFlagsPresent) {\n          sample.flags = parseSampleFlags(data.subarray(offset, offset + 4));\n          offset += 4;\n        }\n\n        if (sampleCompositionTimeOffsetPresent) {\n          // Note: this should be a signed int if version is 1\n          sample.compositionTimeOffset = view.getUint32(offset);\n          offset += 4;\n        }\n\n        result.samples.push(sample);\n      }\n\n      return result;\n    },\n    'url ': function url(data) {\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4))\n      };\n    },\n    vmhd: function vmhd(data) {\n      var view = new DataView(data.buffer, data.byteOffset, data.byteLength);\n      return {\n        version: data[0],\n        flags: new Uint8Array(data.subarray(1, 4)),\n        graphicsmode: view.getUint16(4),\n        opcolor: new Uint16Array([view.getUint16(6), view.getUint16(8), view.getUint16(10)])\n      };\n    }\n  };\n  /**\n   * Return a javascript array of box objects parsed from an ISO base\n   * media file.\n   * @param data {Uint8Array} the binary data of the media to be inspected\n   * @return {array} a javascript array of potentially nested box objects\n   */\n\n\n  inspectMp4 = function inspectMp4(data) {\n    var i = 0,\n        result = [],\n        view,\n        size,\n        type,\n        end,\n        box; // Convert data from Uint8Array to ArrayBuffer, to follow Dataview API\n\n    var ab = new ArrayBuffer(data.length);\n    var v = new Uint8Array(ab);\n\n    for (var z = 0; z < data.length; ++z) {\n      v[z] = data[z];\n    }\n\n    view = new DataView(ab);\n\n    while (i < data.byteLength) {\n      // parse box data\n      size = view.getUint32(i);\n      type = parseType(data.subarray(i + 4, i + 8));\n      end = size > 1 ? i + size : data.byteLength; // parse type-specific data\n\n      box = (parse$1[type] || function (data) {\n        return {\n          data: data\n        };\n      })(data.subarray(i + 8, end));\n\n      box.size = size;\n      box.type = type; // store this box and move to the next\n\n      result.push(box);\n      i = end;\n    }\n\n    return result;\n  };\n  /**\n   * Returns a textual representation of the javascript represtentation\n   * of an MP4 file. You can use it as an alternative to\n   * JSON.stringify() to compare inspected MP4s.\n   * @param inspectedMp4 {array} the parsed array of boxes in an MP4\n   * file\n   * @param depth {number} (optional) the number of ancestor boxes of\n   * the elements of inspectedMp4. Assumed to be zero if unspecified.\n   * @return {string} a text representation of the parsed MP4\n   */\n\n\n  _textifyMp = function textifyMp4(inspectedMp4, depth) {\n    var indent;\n    depth = depth || 0;\n    indent = new Array(depth * 2 + 1).join(' '); // iterate over all the boxes\n\n    return inspectedMp4.map(function (box, index) {\n      // list the box type first at the current indentation level\n      return indent + box.type + '\\n' + // the type is already included and handle child boxes separately\n      Object.keys(box).filter(function (key) {\n        return key !== 'type' && key !== 'boxes'; // output all the box properties\n      }).map(function (key) {\n        var prefix = indent + '  ' + key + ': ',\n            value = box[key]; // print out raw bytes as hexademical\n\n        if (value instanceof Uint8Array || value instanceof Uint32Array) {\n          var bytes = Array.prototype.slice.call(new Uint8Array(value.buffer, value.byteOffset, value.byteLength)).map(function (_byte) {\n            return ' ' + ('00' + _byte.toString(16)).slice(-2);\n          }).join('').match(/.{1,24}/g);\n\n          if (!bytes) {\n            return prefix + '<>';\n          }\n\n          if (bytes.length === 1) {\n            return prefix + '<' + bytes.join('').slice(1) + '>';\n          }\n\n          return prefix + '<\\n' + bytes.map(function (line) {\n            return indent + '  ' + line;\n          }).join('\\n') + '\\n' + indent + '  >';\n        } // stringify generic objects\n\n\n        return prefix + JSON.stringify(value, null, 2).split('\\n').map(function (line, index) {\n          if (index === 0) {\n            return line;\n          }\n\n          return indent + '  ' + line;\n        }).join('\\n');\n      }).join('\\n') + ( // recursively textify the child boxes\n      box.boxes ? '\\n' + _textifyMp(box.boxes, depth + 1) : '');\n    }).join('\\n');\n  };\n\n  var mp4Inspector = {\n    inspect: inspectMp4,\n    textify: _textifyMp,\n    parseType: parseType,\n    findBox: findBox,\n    parseTraf: parse$1.traf,\n    parseTfdt: parse$1.tfdt,\n    parseHdlr: parse$1.hdlr,\n    parseTfhd: parse$1.tfhd,\n    parseTrun: parse$1.trun,\n    parseSidx: parse$1.sidx\n  };\n\n  var toUnsigned$2 = bin.toUnsigned;\n  var toHexString$1 = bin.toHexString;\n  var timescale, startTime, compositionStartTime, getVideoTrackIds, getTracks;\n  /**\n   * Parses an MP4 initialization segment and extracts the timescale\n   * values for any declared tracks. Timescale values indicate the\n   * number of clock ticks per second to assume for time-based values\n   * elsewhere in the MP4.\n   *\n   * To determine the start time of an MP4, you need two pieces of\n   * information: the timescale unit and the earliest base media decode\n   * time. Multiple timescales can be specified within an MP4 but the\n   * base media decode time is always expressed in the timescale from\n   * the media header box for the track:\n   * ```\n   * moov > trak > mdia > mdhd.timescale\n   * ```\n   * @param init {Uint8Array} the bytes of the init segment\n   * @return {object} a hash of track ids to timescale values or null if\n   * the init segment is malformed.\n   */\n\n  timescale = function timescale(init) {\n    var result = {},\n        traks = mp4Inspector.findBox(init, ['moov', 'trak']); // mdhd timescale\n\n    return traks.reduce(function (result, trak) {\n      var tkhd, version, index, id, mdhd;\n      tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];\n\n      if (!tkhd) {\n        return null;\n      }\n\n      version = tkhd[0];\n      index = version === 0 ? 12 : 20;\n      id = toUnsigned$2(tkhd[index] << 24 | tkhd[index + 1] << 16 | tkhd[index + 2] << 8 | tkhd[index + 3]);\n      mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];\n\n      if (!mdhd) {\n        return null;\n      }\n\n      version = mdhd[0];\n      index = version === 0 ? 12 : 20;\n      result[id] = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);\n      return result;\n    }, result);\n  };\n  /**\n   * Determine the base media decode start time, in seconds, for an MP4\n   * fragment. If multiple fragments are specified, the earliest time is\n   * returned.\n   *\n   * The base media decode time can be parsed from track fragment\n   * metadata:\n   * ```\n   * moof > traf > tfdt.baseMediaDecodeTime\n   * ```\n   * It requires the timescale value from the mdhd to interpret.\n   *\n   * @param timescale {object} a hash of track ids to timescale values.\n   * @return {number} the earliest base media decode start time for the\n   * fragment, in seconds\n   */\n\n\n  startTime = function startTime(timescale, fragment) {\n    var trafs, baseTimes, result; // we need info from two childrend of each track fragment box\n\n    trafs = mp4Inspector.findBox(fragment, ['moof', 'traf']); // determine the start times for each track\n\n    baseTimes = [].concat.apply([], trafs.map(function (traf) {\n      return mp4Inspector.findBox(traf, ['tfhd']).map(function (tfhd) {\n        var id, scale, baseTime; // get the track id from the tfhd\n\n        id = toUnsigned$2(tfhd[4] << 24 | tfhd[5] << 16 | tfhd[6] << 8 | tfhd[7]); // assume a 90kHz clock if no timescale was specified\n\n        scale = timescale[id] || 90e3; // get the base media decode time from the tfdt\n\n        baseTime = mp4Inspector.findBox(traf, ['tfdt']).map(function (tfdt) {\n          var version, result;\n          version = tfdt[0];\n          result = toUnsigned$2(tfdt[4] << 24 | tfdt[5] << 16 | tfdt[6] << 8 | tfdt[7]);\n\n          if (version === 1) {\n            result *= Math.pow(2, 32);\n            result += toUnsigned$2(tfdt[8] << 24 | tfdt[9] << 16 | tfdt[10] << 8 | tfdt[11]);\n          }\n\n          return result;\n        })[0];\n        baseTime = baseTime || Infinity; // convert base time to seconds\n\n        return baseTime / scale;\n      });\n    })); // return the minimum\n\n    result = Math.min.apply(null, baseTimes);\n    return isFinite(result) ? result : 0;\n  };\n  /**\n   * Determine the composition start, in seconds, for an MP4\n   * fragment.\n   *\n   * The composition start time of a fragment can be calculated using the base\n   * media decode time, composition time offset, and timescale, as follows:\n   *\n   * compositionStartTime = (baseMediaDecodeTime + compositionTimeOffset) / timescale\n   *\n   * All of the aforementioned information is contained within a media fragment's\n   * `traf` box, except for timescale info, which comes from the initialization\n   * segment, so a track id (also contained within a `traf`) is also necessary to\n   * associate it with a timescale\n   *\n   *\n   * @param timescales {object} - a hash of track ids to timescale values.\n   * @param fragment {Unit8Array} - the bytes of a media segment\n   * @return {number} the composition start time for the fragment, in seconds\n   **/\n\n\n  compositionStartTime = function compositionStartTime(timescales, fragment) {\n    var trafBoxes = mp4Inspector.findBox(fragment, ['moof', 'traf']);\n    var baseMediaDecodeTime = 0;\n    var compositionTimeOffset = 0;\n    var trackId;\n\n    if (trafBoxes && trafBoxes.length) {\n      // The spec states that track run samples contained within a `traf` box are contiguous, but\n      // it does not explicitly state whether the `traf` boxes themselves are contiguous.\n      // We will assume that they are, so we only need the first to calculate start time.\n      var parsedTraf = mp4Inspector.parseTraf(trafBoxes[0]);\n\n      for (var i = 0; i < parsedTraf.boxes.length; i++) {\n        if (parsedTraf.boxes[i].type === 'tfhd') {\n          trackId = parsedTraf.boxes[i].trackId;\n        } else if (parsedTraf.boxes[i].type === 'tfdt') {\n          baseMediaDecodeTime = parsedTraf.boxes[i].baseMediaDecodeTime;\n        } else if (parsedTraf.boxes[i].type === 'trun' && parsedTraf.boxes[i].samples.length) {\n          compositionTimeOffset = parsedTraf.boxes[i].samples[0].compositionTimeOffset || 0;\n        }\n      }\n    } // Get timescale for this specific track. Assume a 90kHz clock if no timescale was\n    // specified.\n\n\n    var timescale = timescales[trackId] || 90e3; // return the composition start time, in seconds\n\n    return (baseMediaDecodeTime + compositionTimeOffset) / timescale;\n  };\n  /**\n    * Find the trackIds of the video tracks in this source.\n    * Found by parsing the Handler Reference and Track Header Boxes:\n    *   moov > trak > mdia > hdlr\n    *   moov > trak > tkhd\n    *\n    * @param {Uint8Array} init - The bytes of the init segment for this source\n    * @return {Number[]} A list of trackIds\n    *\n    * @see ISO-BMFF-12/2015, Section 8.4.3\n   **/\n\n\n  getVideoTrackIds = function getVideoTrackIds(init) {\n    var traks = mp4Inspector.findBox(init, ['moov', 'trak']);\n    var videoTrackIds = [];\n    traks.forEach(function (trak) {\n      var hdlrs = mp4Inspector.findBox(trak, ['mdia', 'hdlr']);\n      var tkhds = mp4Inspector.findBox(trak, ['tkhd']);\n      hdlrs.forEach(function (hdlr, index) {\n        var handlerType = mp4Inspector.parseType(hdlr.subarray(8, 12));\n        var tkhd = tkhds[index];\n        var view;\n        var version;\n        var trackId;\n\n        if (handlerType === 'vide') {\n          view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);\n          version = view.getUint8(0);\n          trackId = version === 0 ? view.getUint32(12) : view.getUint32(20);\n          videoTrackIds.push(trackId);\n        }\n      });\n    });\n    return videoTrackIds;\n  };\n  /**\n   * Get all the video, audio, and hint tracks from a non fragmented\n   * mp4 segment\n   */\n\n\n  getTracks = function getTracks(init) {\n    var traks = mp4Inspector.findBox(init, ['moov', 'trak']);\n    var tracks = [];\n    traks.forEach(function (trak) {\n      var track = {};\n      var tkhd = mp4Inspector.findBox(trak, ['tkhd'])[0];\n      var view, version; // id\n\n      if (tkhd) {\n        view = new DataView(tkhd.buffer, tkhd.byteOffset, tkhd.byteLength);\n        version = view.getUint8(0);\n        track.id = version === 0 ? view.getUint32(12) : view.getUint32(20);\n      }\n\n      var hdlr = mp4Inspector.findBox(trak, ['mdia', 'hdlr'])[0]; // type\n\n      if (hdlr) {\n        var type = mp4Inspector.parseType(hdlr.subarray(8, 12));\n\n        if (type === 'vide') {\n          track.type = 'video';\n        } else if (type === 'soun') {\n          track.type = 'audio';\n        } else {\n          track.type = type;\n        }\n      } // codec\n\n\n      var stsd = mp4Inspector.findBox(trak, ['mdia', 'minf', 'stbl', 'stsd'])[0];\n\n      if (stsd) {\n        var sampleDescriptions = stsd.subarray(8); // gives the codec type string\n\n        track.codec = mp4Inspector.parseType(sampleDescriptions.subarray(4, 8));\n        var codecBox = mp4Inspector.findBox(sampleDescriptions, [track.codec])[0];\n        var codecConfig, codecConfigType;\n\n        if (codecBox) {\n          // https://tools.ietf.org/html/rfc6381#section-3.3\n          if (/^[a-z]vc[1-9]$/i.test(track.codec)) {\n            // we don't need anything but the \"config\" parameter of the\n            // avc1 codecBox\n            codecConfig = codecBox.subarray(78);\n            codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));\n\n            if (codecConfigType === 'avcC' && codecConfig.length > 11) {\n              track.codec += '.'; // left padded with zeroes for single digit hex\n              // profile idc\n\n              track.codec += toHexString$1(codecConfig[9]); // the byte containing the constraint_set flags\n\n              track.codec += toHexString$1(codecConfig[10]); // level idc\n\n              track.codec += toHexString$1(codecConfig[11]);\n            } else {\n              // TODO: show a warning that we couldn't parse the codec\n              // and are using the default\n              track.codec = 'avc1.4d400d';\n            }\n          } else if (/^mp4[a,v]$/i.test(track.codec)) {\n            // we do not need anything but the streamDescriptor of the mp4a codecBox\n            codecConfig = codecBox.subarray(28);\n            codecConfigType = mp4Inspector.parseType(codecConfig.subarray(4, 8));\n\n            if (codecConfigType === 'esds' && codecConfig.length > 20 && codecConfig[19] !== 0) {\n              track.codec += '.' + toHexString$1(codecConfig[19]); // this value is only a single digit\n\n              track.codec += '.' + toHexString$1(codecConfig[20] >>> 2 & 0x3f).replace(/^0/, '');\n            } else {\n              // TODO: show a warning that we couldn't parse the codec\n              // and are using the default\n              track.codec = 'mp4a.40.2';\n            }\n          }\n        }\n      }\n\n      var mdhd = mp4Inspector.findBox(trak, ['mdia', 'mdhd'])[0];\n\n      if (mdhd && tkhd) {\n        var index = version === 0 ? 12 : 20;\n        track.timescale = toUnsigned$2(mdhd[index] << 24 | mdhd[index + 1] << 16 | mdhd[index + 2] << 8 | mdhd[index + 3]);\n      }\n\n      tracks.push(track);\n    });\n    return tracks;\n  };\n\n  var probe = {\n    // export mp4 inspector's findBox and parseType for backwards compatibility\n    findBox: mp4Inspector.findBox,\n    parseType: mp4Inspector.parseType,\n    timescale: timescale,\n    startTime: startTime,\n    compositionStartTime: compositionStartTime,\n    videoTrackIds: getVideoTrackIds,\n    tracks: getTracks\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * Reads in-band caption information from a video elementary\n   * stream. Captions must follow the CEA-708 standard for injection\n   * into an MPEG-2 transport streams.\n   * @see https://en.wikipedia.org/wiki/CEA-708\n   * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf\n   */\n  // payload type field to indicate how they are to be\n  // interpreted. CEAS-708 caption content is always transmitted with\n  // payload type 0x04.\n\n  var USER_DATA_REGISTERED_ITU_T_T35 = 4,\n      RBSP_TRAILING_BITS = 128;\n  /**\n    * Parse a supplemental enhancement information (SEI) NAL unit.\n    * Stops parsing once a message of type ITU T T35 has been found.\n    *\n    * @param bytes {Uint8Array} the bytes of a SEI NAL unit\n    * @return {object} the parsed SEI payload\n    * @see Rec. ITU-T H.264, 7.3.2.3.1\n    */\n\n  var parseSei = function parseSei(bytes) {\n    var i = 0,\n        result = {\n      payloadType: -1,\n      payloadSize: 0\n    },\n        payloadType = 0,\n        payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message\n\n    while (i < bytes.byteLength) {\n      // stop once we have hit the end of the sei_rbsp\n      if (bytes[i] === RBSP_TRAILING_BITS) {\n        break;\n      } // Parse payload type\n\n\n      while (bytes[i] === 0xFF) {\n        payloadType += 255;\n        i++;\n      }\n\n      payloadType += bytes[i++]; // Parse payload size\n\n      while (bytes[i] === 0xFF) {\n        payloadSize += 255;\n        i++;\n      }\n\n      payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break\n      // there can only ever be one caption message in a frame's sei\n\n      if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {\n        result.payloadType = payloadType;\n        result.payloadSize = payloadSize;\n        result.payload = bytes.subarray(i, i + payloadSize);\n        break;\n      } // skip the payload and parse the next message\n\n\n      i += payloadSize;\n      payloadType = 0;\n      payloadSize = 0;\n    }\n\n    return result;\n  }; // see ANSI/SCTE 128-1 (2013), section 8.1\n\n\n  var parseUserData = function parseUserData(sei) {\n    // itu_t_t35_contry_code must be 181 (United States) for\n    // captions\n    if (sei.payload[0] !== 181) {\n      return null;\n    } // itu_t_t35_provider_code should be 49 (ATSC) for captions\n\n\n    if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {\n      return null;\n    } // the user_identifier should be \"GA94\" to indicate ATSC1 data\n\n\n    if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {\n      return null;\n    } // finally, user_data_type_code should be 0x03 for caption data\n\n\n    if (sei.payload[7] !== 0x03) {\n      return null;\n    } // return the user_data_type_structure and strip the trailing\n    // marker bits\n\n\n    return sei.payload.subarray(8, sei.payload.length - 1);\n  }; // see CEA-708-D, section 4.4\n\n\n  var parseCaptionPackets = function parseCaptionPackets(pts, userData) {\n    var results = [],\n        i,\n        count,\n        offset,\n        data; // if this is just filler, return immediately\n\n    if (!(userData[0] & 0x40)) {\n      return results;\n    } // parse out the cc_data_1 and cc_data_2 fields\n\n\n    count = userData[0] & 0x1f;\n\n    for (i = 0; i < count; i++) {\n      offset = i * 3;\n      data = {\n        type: userData[offset + 2] & 0x03,\n        pts: pts\n      }; // capture cc data when cc_valid is 1\n\n      if (userData[offset + 2] & 0x04) {\n        data.ccData = userData[offset + 3] << 8 | userData[offset + 4];\n        results.push(data);\n      }\n    }\n\n    return results;\n  };\n\n  var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n    var length = data.byteLength,\n        emulationPreventionBytesPositions = [],\n        i = 1,\n        newLength,\n        newData; // Find all `Emulation Prevention Bytes`\n\n    while (i < length - 2) {\n      if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n        emulationPreventionBytesPositions.push(i + 2);\n        i += 2;\n      } else {\n        i++;\n      }\n    } // If no Emulation Prevention Bytes were found just return the original\n    // array\n\n\n    if (emulationPreventionBytesPositions.length === 0) {\n      return data;\n    } // Create a new array to hold the NAL unit data\n\n\n    newLength = length - emulationPreventionBytesPositions.length;\n    newData = new Uint8Array(newLength);\n    var sourceIndex = 0;\n\n    for (i = 0; i < newLength; sourceIndex++, i++) {\n      if (sourceIndex === emulationPreventionBytesPositions[0]) {\n        // Skip this byte\n        sourceIndex++; // Remove this position index\n\n        emulationPreventionBytesPositions.shift();\n      }\n\n      newData[i] = data[sourceIndex];\n    }\n\n    return newData;\n  }; // exports\n\n\n  var captionPacketParser = {\n    parseSei: parseSei,\n    parseUserData: parseUserData,\n    parseCaptionPackets: parseCaptionPackets,\n    discardEmulationPreventionBytes: discardEmulationPreventionBytes,\n    USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * A lightweight readable stream implemention that handles event dispatching.\n   * Objects that inherit from streams should call init in their constructors.\n   */\n\n  var Stream$1 = function Stream() {\n    this.init = function () {\n      var listeners = {};\n      /**\n       * Add a listener for a specified event type.\n       * @param type {string} the event name\n       * @param listener {function} the callback to be invoked when an event of\n       * the specified type occurs\n       */\n\n      this.on = function (type, listener) {\n        if (!listeners[type]) {\n          listeners[type] = [];\n        }\n\n        listeners[type] = listeners[type].concat(listener);\n      };\n      /**\n       * Remove a listener for a specified event type.\n       * @param type {string} the event name\n       * @param listener {function} a function previously registered for this\n       * type of event through `on`\n       */\n\n\n      this.off = function (type, listener) {\n        var index;\n\n        if (!listeners[type]) {\n          return false;\n        }\n\n        index = listeners[type].indexOf(listener);\n        listeners[type] = listeners[type].slice();\n        listeners[type].splice(index, 1);\n        return index > -1;\n      };\n      /**\n       * Trigger an event of the specified type on this stream. Any additional\n       * arguments to this function are passed as parameters to event listeners.\n       * @param type {string} the event name\n       */\n\n\n      this.trigger = function (type) {\n        var callbacks, i, length, args;\n        callbacks = listeners[type];\n\n        if (!callbacks) {\n          return;\n        } // Slicing the arguments on every invocation of this method\n        // can add a significant amount of overhead. Avoid the\n        // intermediate object creation for the common case of a\n        // single callback argument\n\n\n        if (arguments.length === 2) {\n          length = callbacks.length;\n\n          for (i = 0; i < length; ++i) {\n            callbacks[i].call(this, arguments[1]);\n          }\n        } else {\n          args = [];\n          i = arguments.length;\n\n          for (i = 1; i < arguments.length; ++i) {\n            args.push(arguments[i]);\n          }\n\n          length = callbacks.length;\n\n          for (i = 0; i < length; ++i) {\n            callbacks[i].apply(this, args);\n          }\n        }\n      };\n      /**\n       * Destroys the stream and cleans up.\n       */\n\n\n      this.dispose = function () {\n        listeners = {};\n      };\n    };\n  };\n  /**\n   * Forwards all `data` events on this stream to the destination stream. The\n   * destination stream should provide a method `push` to receive the data\n   * events as they arrive.\n   * @param destination {stream} the stream that will receive all `data` events\n   * @param autoFlush {boolean} if false, we will not call `flush` on the destination\n   *                            when the current stream emits a 'done' event\n   * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n   */\n\n\n  Stream$1.prototype.pipe = function (destination) {\n    this.on('data', function (data) {\n      destination.push(data);\n    });\n    this.on('done', function (flushSource) {\n      destination.flush(flushSource);\n    });\n    this.on('partialdone', function (flushSource) {\n      destination.partialFlush(flushSource);\n    });\n    this.on('endedtimeline', function (flushSource) {\n      destination.endTimeline(flushSource);\n    });\n    this.on('reset', function (flushSource) {\n      destination.reset(flushSource);\n    });\n    return destination;\n  }; // Default stream functions that are expected to be overridden to perform\n  // actual work. These are provided by the prototype as a sort of no-op\n  // implementation so that we don't have to check for their existence in the\n  // `pipe` function above.\n\n\n  Stream$1.prototype.push = function (data) {\n    this.trigger('data', data);\n  };\n\n  Stream$1.prototype.flush = function (flushSource) {\n    this.trigger('done', flushSource);\n  };\n\n  Stream$1.prototype.partialFlush = function (flushSource) {\n    this.trigger('partialdone', flushSource);\n  };\n\n  Stream$1.prototype.endTimeline = function (flushSource) {\n    this.trigger('endedtimeline', flushSource);\n  };\n\n  Stream$1.prototype.reset = function (flushSource) {\n    this.trigger('reset', flushSource);\n  };\n\n  var stream = Stream$1;\n\n  // Link To Transport\n  // -----------------\n\n\n  var CaptionStream = function CaptionStream() {\n    CaptionStream.prototype.init.call(this);\n    this.captionPackets_ = [];\n    this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define\n    new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define\n    new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define\n    new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define\n    ];\n    this.reset(); // forward data and done events from CCs to this CaptionStream\n\n    this.ccStreams_.forEach(function (cc) {\n      cc.on('data', this.trigger.bind(this, 'data'));\n      cc.on('partialdone', this.trigger.bind(this, 'partialdone'));\n      cc.on('done', this.trigger.bind(this, 'done'));\n    }, this);\n  };\n\n  CaptionStream.prototype = new stream();\n\n  CaptionStream.prototype.push = function (event) {\n    var sei, userData, newCaptionPackets; // only examine SEI NALs\n\n    if (event.nalUnitType !== 'sei_rbsp') {\n      return;\n    } // parse the sei\n\n\n    sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35\n\n    if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {\n      return;\n    } // parse out the user data payload\n\n\n    userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData\n\n    if (!userData) {\n      return;\n    } // Sometimes, the same segment # will be downloaded twice. To stop the\n    // caption data from being processed twice, we track the latest dts we've\n    // received and ignore everything with a dts before that. However, since\n    // data for a specific dts can be split across packets on either side of\n    // a segment boundary, we need to make sure we *don't* ignore the packets\n    // from the *next* segment that have dts === this.latestDts_. By constantly\n    // tracking the number of packets received with dts === this.latestDts_, we\n    // know how many should be ignored once we start receiving duplicates.\n\n\n    if (event.dts < this.latestDts_) {\n      // We've started getting older data, so set the flag.\n      this.ignoreNextEqualDts_ = true;\n      return;\n    } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {\n      this.numSameDts_--;\n\n      if (!this.numSameDts_) {\n        // We've received the last duplicate packet, time to start processing again\n        this.ignoreNextEqualDts_ = false;\n      }\n\n      return;\n    } // parse out CC data packets and save them for later\n\n\n    newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);\n    this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);\n\n    if (this.latestDts_ !== event.dts) {\n      this.numSameDts_ = 0;\n    }\n\n    this.numSameDts_++;\n    this.latestDts_ = event.dts;\n  };\n\n  CaptionStream.prototype.flushCCStreams = function (flushType) {\n    this.ccStreams_.forEach(function (cc) {\n      return flushType === 'flush' ? cc.flush() : cc.partialFlush();\n    }, this);\n  };\n\n  CaptionStream.prototype.flushStream = function (flushType) {\n    // make sure we actually parsed captions before proceeding\n    if (!this.captionPackets_.length) {\n      this.flushCCStreams(flushType);\n      return;\n    } // In Chrome, the Array#sort function is not stable so add a\n    // presortIndex that we can use to ensure we get a stable-sort\n\n\n    this.captionPackets_.forEach(function (elem, idx) {\n      elem.presortIndex = idx;\n    }); // sort caption byte-pairs based on their PTS values\n\n    this.captionPackets_.sort(function (a, b) {\n      if (a.pts === b.pts) {\n        return a.presortIndex - b.presortIndex;\n      }\n\n      return a.pts - b.pts;\n    });\n    this.captionPackets_.forEach(function (packet) {\n      if (packet.type < 2) {\n        // Dispatch packet to the right Cea608Stream\n        this.dispatchCea608Packet(packet);\n      } // this is where an 'else' would go for a dispatching packets\n      // to a theoretical Cea708Stream that handles SERVICEn data\n\n    }, this);\n    this.captionPackets_.length = 0;\n    this.flushCCStreams(flushType);\n  };\n\n  CaptionStream.prototype.flush = function () {\n    return this.flushStream('flush');\n  }; // Only called if handling partial data\n\n\n  CaptionStream.prototype.partialFlush = function () {\n    return this.flushStream('partialFlush');\n  };\n\n  CaptionStream.prototype.reset = function () {\n    this.latestDts_ = null;\n    this.ignoreNextEqualDts_ = false;\n    this.numSameDts_ = 0;\n    this.activeCea608Channel_ = [null, null];\n    this.ccStreams_.forEach(function (ccStream) {\n      ccStream.reset();\n    });\n  }; // From the CEA-608 spec:\n\n  /*\n   * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed\n   * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is\n   * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair\n   * and subsequent data should then be processed according to the FCC rules. It may be necessary for the\n   * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)\n   * to switch to captioning or Text.\n  */\n  // With that in mind, we ignore any data between an XDS control code and a\n  // subsequent closed-captioning control code.\n\n\n  CaptionStream.prototype.dispatchCea608Packet = function (packet) {\n    // NOTE: packet.type is the CEA608 field\n    if (this.setsTextOrXDSActive(packet)) {\n      this.activeCea608Channel_[packet.type] = null;\n    } else if (this.setsChannel1Active(packet)) {\n      this.activeCea608Channel_[packet.type] = 0;\n    } else if (this.setsChannel2Active(packet)) {\n      this.activeCea608Channel_[packet.type] = 1;\n    }\n\n    if (this.activeCea608Channel_[packet.type] === null) {\n      // If we haven't received anything to set the active channel, or the\n      // packets are Text/XDS data, discard the data; we don't want jumbled\n      // captions\n      return;\n    }\n\n    this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);\n  };\n\n  CaptionStream.prototype.setsChannel1Active = function (packet) {\n    return (packet.ccData & 0x7800) === 0x1000;\n  };\n\n  CaptionStream.prototype.setsChannel2Active = function (packet) {\n    return (packet.ccData & 0x7800) === 0x1800;\n  };\n\n  CaptionStream.prototype.setsTextOrXDSActive = function (packet) {\n    return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;\n  }; // ----------------------\n  // Session to Application\n  // ----------------------\n  // This hash maps non-ASCII, special, and extended character codes to their\n  // proper Unicode equivalent. The first keys that are only a single byte\n  // are the non-standard ASCII characters, which simply map the CEA608 byte\n  // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608\n  // character codes, but have their MSB bitmasked with 0x03 so that a lookup\n  // can be performed regardless of the field and data channel on which the\n  // character code was received.\n\n\n  var CHARACTER_TRANSLATION = {\n    0x2a: 0xe1,\n    // á\n    0x5c: 0xe9,\n    // é\n    0x5e: 0xed,\n    // í\n    0x5f: 0xf3,\n    // ó\n    0x60: 0xfa,\n    // ú\n    0x7b: 0xe7,\n    // ç\n    0x7c: 0xf7,\n    // ÷\n    0x7d: 0xd1,\n    // Ñ\n    0x7e: 0xf1,\n    // ñ\n    0x7f: 0x2588,\n    // █\n    0x0130: 0xae,\n    // ®\n    0x0131: 0xb0,\n    // °\n    0x0132: 0xbd,\n    // ½\n    0x0133: 0xbf,\n    // ¿\n    0x0134: 0x2122,\n    // ™\n    0x0135: 0xa2,\n    // ¢\n    0x0136: 0xa3,\n    // £\n    0x0137: 0x266a,\n    // ♪\n    0x0138: 0xe0,\n    // à\n    0x0139: 0xa0,\n    //\n    0x013a: 0xe8,\n    // è\n    0x013b: 0xe2,\n    // â\n    0x013c: 0xea,\n    // ê\n    0x013d: 0xee,\n    // î\n    0x013e: 0xf4,\n    // ô\n    0x013f: 0xfb,\n    // û\n    0x0220: 0xc1,\n    // Á\n    0x0221: 0xc9,\n    // É\n    0x0222: 0xd3,\n    // Ó\n    0x0223: 0xda,\n    // Ú\n    0x0224: 0xdc,\n    // Ü\n    0x0225: 0xfc,\n    // ü\n    0x0226: 0x2018,\n    // ‘\n    0x0227: 0xa1,\n    // ¡\n    0x0228: 0x2a,\n    // *\n    0x0229: 0x27,\n    // '\n    0x022a: 0x2014,\n    // —\n    0x022b: 0xa9,\n    // ©\n    0x022c: 0x2120,\n    // ℠\n    0x022d: 0x2022,\n    // •\n    0x022e: 0x201c,\n    // “\n    0x022f: 0x201d,\n    // ”\n    0x0230: 0xc0,\n    // À\n    0x0231: 0xc2,\n    // Â\n    0x0232: 0xc7,\n    // Ç\n    0x0233: 0xc8,\n    // È\n    0x0234: 0xca,\n    // Ê\n    0x0235: 0xcb,\n    // Ë\n    0x0236: 0xeb,\n    // ë\n    0x0237: 0xce,\n    // Î\n    0x0238: 0xcf,\n    // Ï\n    0x0239: 0xef,\n    // ï\n    0x023a: 0xd4,\n    // Ô\n    0x023b: 0xd9,\n    // Ù\n    0x023c: 0xf9,\n    // ù\n    0x023d: 0xdb,\n    // Û\n    0x023e: 0xab,\n    // «\n    0x023f: 0xbb,\n    // »\n    0x0320: 0xc3,\n    // Ã\n    0x0321: 0xe3,\n    // ã\n    0x0322: 0xcd,\n    // Í\n    0x0323: 0xcc,\n    // Ì\n    0x0324: 0xec,\n    // ì\n    0x0325: 0xd2,\n    // Ò\n    0x0326: 0xf2,\n    // ò\n    0x0327: 0xd5,\n    // Õ\n    0x0328: 0xf5,\n    // õ\n    0x0329: 0x7b,\n    // {\n    0x032a: 0x7d,\n    // }\n    0x032b: 0x5c,\n    // \\\n    0x032c: 0x5e,\n    // ^\n    0x032d: 0x5f,\n    // _\n    0x032e: 0x7c,\n    // |\n    0x032f: 0x7e,\n    // ~\n    0x0330: 0xc4,\n    // Ä\n    0x0331: 0xe4,\n    // ä\n    0x0332: 0xd6,\n    // Ö\n    0x0333: 0xf6,\n    // ö\n    0x0334: 0xdf,\n    // ß\n    0x0335: 0xa5,\n    // ¥\n    0x0336: 0xa4,\n    // ¤\n    0x0337: 0x2502,\n    // │\n    0x0338: 0xc5,\n    // Å\n    0x0339: 0xe5,\n    // å\n    0x033a: 0xd8,\n    // Ø\n    0x033b: 0xf8,\n    // ø\n    0x033c: 0x250c,\n    // ┌\n    0x033d: 0x2510,\n    // ┐\n    0x033e: 0x2514,\n    // └\n    0x033f: 0x2518 // ┘\n\n  };\n\n  var getCharFromCode = function getCharFromCode(code) {\n    if (code === null) {\n      return '';\n    }\n\n    code = CHARACTER_TRANSLATION[code] || code;\n    return String.fromCharCode(code);\n  }; // the index of the last row in a CEA-608 display buffer\n\n\n  var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of\n  // getting it through bit logic.\n\n  var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character\n  // cells. The \"bottom\" row is the last element in the outer array.\n\n  var createDisplayBuffer = function createDisplayBuffer() {\n    var result = [],\n        i = BOTTOM_ROW + 1;\n\n    while (i--) {\n      result.push('');\n    }\n\n    return result;\n  };\n\n  var Cea608Stream = function Cea608Stream(field, dataChannel) {\n    Cea608Stream.prototype.init.call(this);\n    this.field_ = field || 0;\n    this.dataChannel_ = dataChannel || 0;\n    this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);\n    this.setConstants();\n    this.reset();\n\n    this.push = function (packet) {\n      var data, swap, char0, char1, text; // remove the parity bits\n\n      data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice\n\n      if (data === this.lastControlCode_) {\n        this.lastControlCode_ = null;\n        return;\n      } // Store control codes\n\n\n      if ((data & 0xf000) === 0x1000) {\n        this.lastControlCode_ = data;\n      } else if (data !== this.PADDING_) {\n        this.lastControlCode_ = null;\n      }\n\n      char0 = data >>> 8;\n      char1 = data & 0xff;\n\n      if (data === this.PADDING_) {\n        return;\n      } else if (data === this.RESUME_CAPTION_LOADING_) {\n        this.mode_ = 'popOn';\n      } else if (data === this.END_OF_CAPTION_) {\n        // If an EOC is received while in paint-on mode, the displayed caption\n        // text should be swapped to non-displayed memory as if it was a pop-on\n        // caption. Because of that, we should explicitly switch back to pop-on\n        // mode\n        this.mode_ = 'popOn';\n        this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now\n\n        this.flushDisplayed(packet.pts); // flip memory\n\n        swap = this.displayed_;\n        this.displayed_ = this.nonDisplayed_;\n        this.nonDisplayed_ = swap; // start measuring the time to display the caption\n\n        this.startPts_ = packet.pts;\n      } else if (data === this.ROLL_UP_2_ROWS_) {\n        this.rollUpRows_ = 2;\n        this.setRollUp(packet.pts);\n      } else if (data === this.ROLL_UP_3_ROWS_) {\n        this.rollUpRows_ = 3;\n        this.setRollUp(packet.pts);\n      } else if (data === this.ROLL_UP_4_ROWS_) {\n        this.rollUpRows_ = 4;\n        this.setRollUp(packet.pts);\n      } else if (data === this.CARRIAGE_RETURN_) {\n        this.clearFormatting(packet.pts);\n        this.flushDisplayed(packet.pts);\n        this.shiftRowsUp_();\n        this.startPts_ = packet.pts;\n      } else if (data === this.BACKSPACE_) {\n        if (this.mode_ === 'popOn') {\n          this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n        } else {\n          this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n        }\n      } else if (data === this.ERASE_DISPLAYED_MEMORY_) {\n        this.flushDisplayed(packet.pts);\n        this.displayed_ = createDisplayBuffer();\n      } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {\n        this.nonDisplayed_ = createDisplayBuffer();\n      } else if (data === this.RESUME_DIRECT_CAPTIONING_) {\n        if (this.mode_ !== 'paintOn') {\n          // NOTE: This should be removed when proper caption positioning is\n          // implemented\n          this.flushDisplayed(packet.pts);\n          this.displayed_ = createDisplayBuffer();\n        }\n\n        this.mode_ = 'paintOn';\n        this.startPts_ = packet.pts; // Append special characters to caption text\n      } else if (this.isSpecialCharacter(char0, char1)) {\n        // Bitmask char0 so that we can apply character transformations\n        // regardless of field and data channel.\n        // Then byte-shift to the left and OR with char1 so we can pass the\n        // entire character code to `getCharFromCode`.\n        char0 = (char0 & 0x03) << 8;\n        text = getCharFromCode(char0 | char1);\n        this[this.mode_](packet.pts, text);\n        this.column_++; // Append extended characters to caption text\n      } else if (this.isExtCharacter(char0, char1)) {\n        // Extended characters always follow their \"non-extended\" equivalents.\n        // IE if a \"è\" is desired, you'll always receive \"eè\"; non-compliant\n        // decoders are supposed to drop the \"è\", while compliant decoders\n        // backspace the \"e\" and insert \"è\".\n        // Delete the previous character\n        if (this.mode_ === 'popOn') {\n          this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n        } else {\n          this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n        } // Bitmask char0 so that we can apply character transformations\n        // regardless of field and data channel.\n        // Then byte-shift to the left and OR with char1 so we can pass the\n        // entire character code to `getCharFromCode`.\n\n\n        char0 = (char0 & 0x03) << 8;\n        text = getCharFromCode(char0 | char1);\n        this[this.mode_](packet.pts, text);\n        this.column_++; // Process mid-row codes\n      } else if (this.isMidRowCode(char0, char1)) {\n        // Attributes are not additive, so clear all formatting\n        this.clearFormatting(packet.pts); // According to the standard, mid-row codes\n        // should be replaced with spaces, so add one now\n\n        this[this.mode_](packet.pts, ' ');\n        this.column_++;\n\n        if ((char1 & 0xe) === 0xe) {\n          this.addFormatting(packet.pts, ['i']);\n        }\n\n        if ((char1 & 0x1) === 0x1) {\n          this.addFormatting(packet.pts, ['u']);\n        } // Detect offset control codes and adjust cursor\n\n      } else if (this.isOffsetControlCode(char0, char1)) {\n        // Cursor position is set by indent PAC (see below) in 4-column\n        // increments, with an additional offset code of 1-3 to reach any\n        // of the 32 columns specified by CEA-608. So all we need to do\n        // here is increment the column cursor by the given offset.\n        this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)\n      } else if (this.isPAC(char0, char1)) {\n        // There's no logic for PAC -> row mapping, so we have to just\n        // find the row code in an array and use its index :(\n        var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode\n\n        if (this.mode_ === 'rollUp') {\n          // This implies that the base row is incorrectly set.\n          // As per the recommendation in CEA-608(Base Row Implementation), defer to the number\n          // of roll-up rows set.\n          if (row - this.rollUpRows_ + 1 < 0) {\n            row = this.rollUpRows_ - 1;\n          }\n\n          this.setRollUp(packet.pts, row);\n        }\n\n        if (row !== this.row_) {\n          // formatting is only persistent for current row\n          this.clearFormatting(packet.pts);\n          this.row_ = row;\n        } // All PACs can apply underline, so detect and apply\n        // (All odd-numbered second bytes set underline)\n\n\n        if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {\n          this.addFormatting(packet.pts, ['u']);\n        }\n\n        if ((data & 0x10) === 0x10) {\n          // We've got an indent level code. Each successive even number\n          // increments the column cursor by 4, so we can get the desired\n          // column position by bit-shifting to the right (to get n/2)\n          // and multiplying by 4.\n          this.column_ = ((data & 0xe) >> 1) * 4;\n        }\n\n        if (this.isColorPAC(char1)) {\n          // it's a color code, though we only support white, which\n          // can be either normal or italicized. white italics can be\n          // either 0x4e or 0x6e depending on the row, so we just\n          // bitwise-and with 0xe to see if italics should be turned on\n          if ((char1 & 0xe) === 0xe) {\n            this.addFormatting(packet.pts, ['i']);\n          }\n        } // We have a normal character in char0, and possibly one in char1\n\n      } else if (this.isNormalChar(char0)) {\n        if (char1 === 0x00) {\n          char1 = null;\n        }\n\n        text = getCharFromCode(char0);\n        text += getCharFromCode(char1);\n        this[this.mode_](packet.pts, text);\n        this.column_ += text.length;\n      } // finish data processing\n\n    };\n  };\n\n  Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the\n  // display buffer\n\n  Cea608Stream.prototype.flushDisplayed = function (pts) {\n    var content = this.displayed_ // remove spaces from the start and end of the string\n    .map(function (row) {\n      try {\n        return row.trim();\n      } catch (e) {\n        // Ordinarily, this shouldn't happen. However, caption\n        // parsing errors should not throw exceptions and\n        // break playback.\n        // eslint-disable-next-line no-console\n        console.error('Skipping malformed caption.');\n        return '';\n      }\n    }) // combine all text rows to display in one cue\n    .join('\\n') // and remove blank rows from the start and end, but not the middle\n    .replace(/^\\n+|\\n+$/g, '');\n\n    if (content.length) {\n      this.trigger('data', {\n        startPts: this.startPts_,\n        endPts: pts,\n        text: content,\n        stream: this.name_\n      });\n    }\n  };\n  /**\n   * Zero out the data, used for startup and on seek\n   */\n\n\n  Cea608Stream.prototype.reset = function () {\n    this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will\n    // actually display captions. If a caption is shifted to a row\n    // with a lower index than this, it is cleared from the display\n    // buffer\n\n    this.topRow_ = 0;\n    this.startPts_ = 0;\n    this.displayed_ = createDisplayBuffer();\n    this.nonDisplayed_ = createDisplayBuffer();\n    this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing\n\n    this.column_ = 0;\n    this.row_ = BOTTOM_ROW;\n    this.rollUpRows_ = 2; // This variable holds currently-applied formatting\n\n    this.formatting_ = [];\n  };\n  /**\n   * Sets up control code and related constants for this instance\n   */\n\n\n  Cea608Stream.prototype.setConstants = function () {\n    // The following attributes have these uses:\n    // ext_ :    char0 for mid-row codes, and the base for extended\n    //           chars (ext_+0, ext_+1, and ext_+2 are char0s for\n    //           extended codes)\n    // control_: char0 for control codes, except byte-shifted to the\n    //           left so that we can do this.control_ | CONTROL_CODE\n    // offset_:  char0 for tab offset codes\n    //\n    // It's also worth noting that control codes, and _only_ control codes,\n    // differ between field 1 and field2. Field 2 control codes are always\n    // their field 1 value plus 1. That's why there's the \"| field\" on the\n    // control value.\n    if (this.dataChannel_ === 0) {\n      this.BASE_ = 0x10;\n      this.EXT_ = 0x11;\n      this.CONTROL_ = (0x14 | this.field_) << 8;\n      this.OFFSET_ = 0x17;\n    } else if (this.dataChannel_ === 1) {\n      this.BASE_ = 0x18;\n      this.EXT_ = 0x19;\n      this.CONTROL_ = (0x1c | this.field_) << 8;\n      this.OFFSET_ = 0x1f;\n    } // Constants for the LSByte command codes recognized by Cea608Stream. This\n    // list is not exhaustive. For a more comprehensive listing and semantics see\n    // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf\n    // Padding\n\n\n    this.PADDING_ = 0x0000; // Pop-on Mode\n\n    this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;\n    this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode\n\n    this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;\n    this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;\n    this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;\n    this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode\n\n    this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure\n\n    this.BACKSPACE_ = this.CONTROL_ | 0x21;\n    this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;\n    this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;\n  };\n  /**\n   * Detects if the 2-byte packet data is a special character\n   *\n   * Special characters have a second byte in the range 0x30 to 0x3f,\n   * with the first byte being 0x11 (for data channel 1) or 0x19 (for\n   * data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an special character\n   */\n\n\n  Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {\n    return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;\n  };\n  /**\n   * Detects if the 2-byte packet data is an extended character\n   *\n   * Extended characters have a second byte in the range 0x20 to 0x3f,\n   * with the first byte being 0x12 or 0x13 (for data channel 1) or\n   * 0x1a or 0x1b (for data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an extended character\n   */\n\n\n  Cea608Stream.prototype.isExtCharacter = function (char0, char1) {\n    return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;\n  };\n  /**\n   * Detects if the 2-byte packet is a mid-row code\n   *\n   * Mid-row codes have a second byte in the range 0x20 to 0x2f, with\n   * the first byte being 0x11 (for data channel 1) or 0x19 (for data\n   * channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are a mid-row code\n   */\n\n\n  Cea608Stream.prototype.isMidRowCode = function (char0, char1) {\n    return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;\n  };\n  /**\n   * Detects if the 2-byte packet is an offset control code\n   *\n   * Offset control codes have a second byte in the range 0x21 to 0x23,\n   * with the first byte being 0x17 (for data channel 1) or 0x1f (for\n   * data channel 2).\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are an offset control code\n   */\n\n\n  Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {\n    return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;\n  };\n  /**\n   * Detects if the 2-byte packet is a Preamble Address Code\n   *\n   * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)\n   * or 0x18 to 0x1f (for data channel 2), with the second byte in the\n   * range 0x40 to 0x7f.\n   *\n   * @param  {Integer} char0 The first byte\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the 2 bytes are a PAC\n   */\n\n\n  Cea608Stream.prototype.isPAC = function (char0, char1) {\n    return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;\n  };\n  /**\n   * Detects if a packet's second byte is in the range of a PAC color code\n   *\n   * PAC color codes have the second byte be in the range 0x40 to 0x4f, or\n   * 0x60 to 0x6f.\n   *\n   * @param  {Integer} char1 The second byte\n   * @return {Boolean}       Whether the byte is a color PAC\n   */\n\n\n  Cea608Stream.prototype.isColorPAC = function (char1) {\n    return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;\n  };\n  /**\n   * Detects if a single byte is in the range of a normal character\n   *\n   * Normal text bytes are in the range 0x20 to 0x7f.\n   *\n   * @param  {Integer} char  The byte\n   * @return {Boolean}       Whether the byte is a normal character\n   */\n\n\n  Cea608Stream.prototype.isNormalChar = function (_char) {\n    return _char >= 0x20 && _char <= 0x7f;\n  };\n  /**\n   * Configures roll-up\n   *\n   * @param  {Integer} pts         Current PTS\n   * @param  {Integer} newBaseRow  Used by PACs to slide the current window to\n   *                               a new position\n   */\n\n\n  Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {\n    // Reset the base row to the bottom row when switching modes\n    if (this.mode_ !== 'rollUp') {\n      this.row_ = BOTTOM_ROW;\n      this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up\n\n      this.flushDisplayed(pts);\n      this.nonDisplayed_ = createDisplayBuffer();\n      this.displayed_ = createDisplayBuffer();\n    }\n\n    if (newBaseRow !== undefined && newBaseRow !== this.row_) {\n      // move currently displayed captions (up or down) to the new base row\n      for (var i = 0; i < this.rollUpRows_; i++) {\n        this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];\n        this.displayed_[this.row_ - i] = '';\n      }\n    }\n\n    if (newBaseRow === undefined) {\n      newBaseRow = this.row_;\n    }\n\n    this.topRow_ = newBaseRow - this.rollUpRows_ + 1;\n  }; // Adds the opening HTML tag for the passed character to the caption text,\n  // and keeps track of it for later closing\n\n\n  Cea608Stream.prototype.addFormatting = function (pts, format) {\n    this.formatting_ = this.formatting_.concat(format);\n    var text = format.reduce(function (text, format) {\n      return text + '<' + format + '>';\n    }, '');\n    this[this.mode_](pts, text);\n  }; // Adds HTML closing tags for current formatting to caption text and\n  // clears remembered formatting\n\n\n  Cea608Stream.prototype.clearFormatting = function (pts) {\n    if (!this.formatting_.length) {\n      return;\n    }\n\n    var text = this.formatting_.reverse().reduce(function (text, format) {\n      return text + '</' + format + '>';\n    }, '');\n    this.formatting_ = [];\n    this[this.mode_](pts, text);\n  }; // Mode Implementations\n\n\n  Cea608Stream.prototype.popOn = function (pts, text) {\n    var baseRow = this.nonDisplayed_[this.row_]; // buffer characters\n\n    baseRow += text;\n    this.nonDisplayed_[this.row_] = baseRow;\n  };\n\n  Cea608Stream.prototype.rollUp = function (pts, text) {\n    var baseRow = this.displayed_[this.row_];\n    baseRow += text;\n    this.displayed_[this.row_] = baseRow;\n  };\n\n  Cea608Stream.prototype.shiftRowsUp_ = function () {\n    var i; // clear out inactive rows\n\n    for (i = 0; i < this.topRow_; i++) {\n      this.displayed_[i] = '';\n    }\n\n    for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {\n      this.displayed_[i] = '';\n    } // shift displayed rows up\n\n\n    for (i = this.topRow_; i < this.row_; i++) {\n      this.displayed_[i] = this.displayed_[i + 1];\n    } // clear out the bottom row\n\n\n    this.displayed_[this.row_] = '';\n  };\n\n  Cea608Stream.prototype.paintOn = function (pts, text) {\n    var baseRow = this.displayed_[this.row_];\n    baseRow += text;\n    this.displayed_[this.row_] = baseRow;\n  }; // exports\n\n\n  var captionStream = {\n    CaptionStream: CaptionStream,\n    Cea608Stream: Cea608Stream\n  };\n\n  var discardEmulationPreventionBytes$1 = captionPacketParser.discardEmulationPreventionBytes;\n  var CaptionStream$1 = captionStream.CaptionStream;\n  /**\n    * Maps an offset in the mdat to a sample based on the the size of the samples.\n    * Assumes that `parseSamples` has been called first.\n    *\n    * @param {Number} offset - The offset into the mdat\n    * @param {Object[]} samples - An array of samples, parsed using `parseSamples`\n    * @return {?Object} The matching sample, or null if no match was found.\n    *\n    * @see ISO-BMFF-12/2015, Section 8.8.8\n   **/\n\n  var mapToSample = function mapToSample(offset, samples) {\n    var approximateOffset = offset;\n\n    for (var i = 0; i < samples.length; i++) {\n      var sample = samples[i];\n\n      if (approximateOffset < sample.size) {\n        return sample;\n      }\n\n      approximateOffset -= sample.size;\n    }\n\n    return null;\n  };\n  /**\n    * Finds SEI nal units contained in a Media Data Box.\n    * Assumes that `parseSamples` has been called first.\n    *\n    * @param {Uint8Array} avcStream - The bytes of the mdat\n    * @param {Object[]} samples - The samples parsed out by `parseSamples`\n    * @param {Number} trackId - The trackId of this video track\n    * @return {Object[]} seiNals - the parsed SEI NALUs found.\n    *   The contents of the seiNal should match what is expected by\n    *   CaptionStream.push (nalUnitType, size, data, escapedRBSP, pts, dts)\n    *\n    * @see ISO-BMFF-12/2015, Section 8.1.1\n    * @see Rec. ITU-T H.264, 7.3.2.3.1\n   **/\n\n\n  var findSeiNals = function findSeiNals(avcStream, samples, trackId) {\n    var avcView = new DataView(avcStream.buffer, avcStream.byteOffset, avcStream.byteLength),\n        result = [],\n        seiNal,\n        i,\n        length,\n        lastMatchedSample;\n\n    for (i = 0; i + 4 < avcStream.length; i += length) {\n      length = avcView.getUint32(i);\n      i += 4; // Bail if this doesn't appear to be an H264 stream\n\n      if (length <= 0) {\n        continue;\n      }\n\n      switch (avcStream[i] & 0x1F) {\n        case 0x06:\n          var data = avcStream.subarray(i + 1, i + 1 + length);\n          var matchingSample = mapToSample(i, samples);\n          seiNal = {\n            nalUnitType: 'sei_rbsp',\n            size: length,\n            data: data,\n            escapedRBSP: discardEmulationPreventionBytes$1(data),\n            trackId: trackId\n          };\n\n          if (matchingSample) {\n            seiNal.pts = matchingSample.pts;\n            seiNal.dts = matchingSample.dts;\n            lastMatchedSample = matchingSample;\n          } else {\n            // If a matching sample cannot be found, use the last\n            // sample's values as they should be as close as possible\n            seiNal.pts = lastMatchedSample.pts;\n            seiNal.dts = lastMatchedSample.dts;\n          }\n\n          result.push(seiNal);\n          break;\n\n        default:\n          break;\n      }\n    }\n\n    return result;\n  };\n  /**\n    * Parses sample information out of Track Run Boxes and calculates\n    * the absolute presentation and decode timestamps of each sample.\n    *\n    * @param {Array<Uint8Array>} truns - The Trun Run boxes to be parsed\n    * @param {Number} baseMediaDecodeTime - base media decode time from tfdt\n        @see ISO-BMFF-12/2015, Section 8.8.12\n    * @param {Object} tfhd - The parsed Track Fragment Header\n    *   @see inspect.parseTfhd\n    * @return {Object[]} the parsed samples\n    *\n    * @see ISO-BMFF-12/2015, Section 8.8.8\n   **/\n\n\n  var parseSamples = function parseSamples(truns, baseMediaDecodeTime, tfhd) {\n    var currentDts = baseMediaDecodeTime;\n    var defaultSampleDuration = tfhd.defaultSampleDuration || 0;\n    var defaultSampleSize = tfhd.defaultSampleSize || 0;\n    var trackId = tfhd.trackId;\n    var allSamples = [];\n    truns.forEach(function (trun) {\n      // Note: We currently do not parse the sample table as well\n      // as the trun. It's possible some sources will require this.\n      // moov > trak > mdia > minf > stbl\n      var trackRun = mp4Inspector.parseTrun(trun);\n      var samples = trackRun.samples;\n      samples.forEach(function (sample) {\n        if (sample.duration === undefined) {\n          sample.duration = defaultSampleDuration;\n        }\n\n        if (sample.size === undefined) {\n          sample.size = defaultSampleSize;\n        }\n\n        sample.trackId = trackId;\n        sample.dts = currentDts;\n\n        if (sample.compositionTimeOffset === undefined) {\n          sample.compositionTimeOffset = 0;\n        }\n\n        sample.pts = currentDts + sample.compositionTimeOffset;\n        currentDts += sample.duration;\n      });\n      allSamples = allSamples.concat(samples);\n    });\n    return allSamples;\n  };\n  /**\n    * Parses out caption nals from an FMP4 segment's video tracks.\n    *\n    * @param {Uint8Array} segment - The bytes of a single segment\n    * @param {Number} videoTrackId - The trackId of a video track in the segment\n    * @return {Object.<Number, Object[]>} A mapping of video trackId to\n    *   a list of seiNals found in that track\n   **/\n\n\n  var parseCaptionNals = function parseCaptionNals(segment, videoTrackId) {\n    // To get the samples\n    var trafs = probe.findBox(segment, ['moof', 'traf']); // To get SEI NAL units\n\n    var mdats = probe.findBox(segment, ['mdat']);\n    var captionNals = {};\n    var mdatTrafPairs = []; // Pair up each traf with a mdat as moofs and mdats are in pairs\n\n    mdats.forEach(function (mdat, index) {\n      var matchingTraf = trafs[index];\n      mdatTrafPairs.push({\n        mdat: mdat,\n        traf: matchingTraf\n      });\n    });\n    mdatTrafPairs.forEach(function (pair) {\n      var mdat = pair.mdat;\n      var traf = pair.traf;\n      var tfhd = probe.findBox(traf, ['tfhd']); // Exactly 1 tfhd per traf\n\n      var headerInfo = mp4Inspector.parseTfhd(tfhd[0]);\n      var trackId = headerInfo.trackId;\n      var tfdt = probe.findBox(traf, ['tfdt']); // Either 0 or 1 tfdt per traf\n\n      var baseMediaDecodeTime = tfdt.length > 0 ? mp4Inspector.parseTfdt(tfdt[0]).baseMediaDecodeTime : 0;\n      var truns = probe.findBox(traf, ['trun']);\n      var samples;\n      var seiNals; // Only parse video data for the chosen video track\n\n      if (videoTrackId === trackId && truns.length > 0) {\n        samples = parseSamples(truns, baseMediaDecodeTime, headerInfo);\n        seiNals = findSeiNals(mdat, samples, trackId);\n\n        if (!captionNals[trackId]) {\n          captionNals[trackId] = [];\n        }\n\n        captionNals[trackId] = captionNals[trackId].concat(seiNals);\n      }\n    });\n    return captionNals;\n  };\n  /**\n    * Parses out inband captions from an MP4 container and returns\n    * caption objects that can be used by WebVTT and the TextTrack API.\n    * @see https://developer.mozilla.org/en-US/docs/Web/API/VTTCue\n    * @see https://developer.mozilla.org/en-US/docs/Web/API/TextTrack\n    * Assumes that `probe.getVideoTrackIds` and `probe.timescale` have been called first\n    *\n    * @param {Uint8Array} segment - The fmp4 segment containing embedded captions\n    * @param {Number} trackId - The id of the video track to parse\n    * @param {Number} timescale - The timescale for the video track from the init segment\n    *\n    * @return {?Object[]} parsedCaptions - A list of captions or null if no video tracks\n    * @return {Number} parsedCaptions[].startTime - The time to show the caption in seconds\n    * @return {Number} parsedCaptions[].endTime - The time to stop showing the caption in seconds\n    * @return {String} parsedCaptions[].text - The visible content of the caption\n   **/\n\n\n  var parseEmbeddedCaptions = function parseEmbeddedCaptions(segment, trackId, timescale) {\n    var seiNals; // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there\n\n    if (trackId === null) {\n      return null;\n    }\n\n    seiNals = parseCaptionNals(segment, trackId);\n    return {\n      seiNals: seiNals[trackId],\n      timescale: timescale\n    };\n  };\n  /**\n    * Converts SEI NALUs into captions that can be used by video.js\n   **/\n\n\n  var CaptionParser = function CaptionParser() {\n    var isInitialized = false;\n    var captionStream; // Stores segments seen before trackId and timescale are set\n\n    var segmentCache; // Stores video track ID of the track being parsed\n\n    var trackId; // Stores the timescale of the track being parsed\n\n    var timescale; // Stores captions parsed so far\n\n    var parsedCaptions; // Stores whether we are receiving partial data or not\n\n    var parsingPartial;\n    /**\n      * A method to indicate whether a CaptionParser has been initalized\n      * @returns {Boolean}\n     **/\n\n    this.isInitialized = function () {\n      return isInitialized;\n    };\n    /**\n      * Initializes the underlying CaptionStream, SEI NAL parsing\n      * and management, and caption collection\n     **/\n\n\n    this.init = function (options) {\n      captionStream = new CaptionStream$1();\n      isInitialized = true;\n      parsingPartial = options ? options.isPartial : false; // Collect dispatched captions\n\n      captionStream.on('data', function (event) {\n        // Convert to seconds in the source's timescale\n        event.startTime = event.startPts / timescale;\n        event.endTime = event.endPts / timescale;\n        parsedCaptions.captions.push(event);\n        parsedCaptions.captionStreams[event.stream] = true;\n      });\n    };\n    /**\n      * Determines if a new video track will be selected\n      * or if the timescale changed\n      * @return {Boolean}\n     **/\n\n\n    this.isNewInit = function (videoTrackIds, timescales) {\n      if (videoTrackIds && videoTrackIds.length === 0 || timescales && typeof timescales === 'object' && Object.keys(timescales).length === 0) {\n        return false;\n      }\n\n      return trackId !== videoTrackIds[0] || timescale !== timescales[trackId];\n    };\n    /**\n      * Parses out SEI captions and interacts with underlying\n      * CaptionStream to return dispatched captions\n      *\n      * @param {Uint8Array} segment - The fmp4 segment containing embedded captions\n      * @param {Number[]} videoTrackIds - A list of video tracks found in the init segment\n      * @param {Object.<Number, Number>} timescales - The timescales found in the init segment\n      * @see parseEmbeddedCaptions\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.parse = function (segment, videoTrackIds, timescales) {\n      var parsedData;\n\n      if (!this.isInitialized()) {\n        return null; // This is not likely to be a video segment\n      } else if (!videoTrackIds || !timescales) {\n        return null;\n      } else if (this.isNewInit(videoTrackIds, timescales)) {\n        // Use the first video track only as there is no\n        // mechanism to switch to other video tracks\n        trackId = videoTrackIds[0];\n        timescale = timescales[trackId]; // If an init segment has not been seen yet, hold onto segment\n        // data until we have one.\n        // the ISO-BMFF spec says that trackId can't be zero, but there's some broken content out there\n      } else if (trackId === null || !timescale) {\n        segmentCache.push(segment);\n        return null;\n      } // Now that a timescale and trackId is set, parse cached segments\n\n\n      while (segmentCache.length > 0) {\n        var cachedSegment = segmentCache.shift();\n        this.parse(cachedSegment, videoTrackIds, timescales);\n      }\n\n      parsedData = parseEmbeddedCaptions(segment, trackId, timescale);\n\n      if (parsedData === null || !parsedData.seiNals) {\n        return null;\n      }\n\n      this.pushNals(parsedData.seiNals); // Force the parsed captions to be dispatched\n\n      this.flushStream();\n      return parsedCaptions;\n    };\n    /**\n      * Pushes SEI NALUs onto CaptionStream\n      * @param {Object[]} nals - A list of SEI nals parsed using `parseCaptionNals`\n      * Assumes that `parseCaptionNals` has been called first\n      * @see m2ts/caption-stream.js\n      **/\n\n\n    this.pushNals = function (nals) {\n      if (!this.isInitialized() || !nals || nals.length === 0) {\n        return null;\n      }\n\n      nals.forEach(function (nal) {\n        captionStream.push(nal);\n      });\n    };\n    /**\n      * Flushes underlying CaptionStream to dispatch processed, displayable captions\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.flushStream = function () {\n      if (!this.isInitialized()) {\n        return null;\n      }\n\n      if (!parsingPartial) {\n        captionStream.flush();\n      } else {\n        captionStream.partialFlush();\n      }\n    };\n    /**\n      * Reset caption buckets for new data\n     **/\n\n\n    this.clearParsedCaptions = function () {\n      parsedCaptions.captions = [];\n      parsedCaptions.captionStreams = {};\n    };\n    /**\n      * Resets underlying CaptionStream\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.resetCaptionStream = function () {\n      if (!this.isInitialized()) {\n        return null;\n      }\n\n      captionStream.reset();\n    };\n    /**\n      * Convenience method to clear all captions flushed from the\n      * CaptionStream and still being parsed\n      * @see m2ts/caption-stream.js\n     **/\n\n\n    this.clearAllCaptions = function () {\n      this.clearParsedCaptions();\n      this.resetCaptionStream();\n    };\n    /**\n      * Reset caption parser\n     **/\n\n\n    this.reset = function () {\n      segmentCache = [];\n      trackId = null;\n      timescale = null;\n\n      if (!parsedCaptions) {\n        parsedCaptions = {\n          captions: [],\n          // CC1, CC2, CC3, CC4\n          captionStreams: {}\n        };\n      } else {\n        this.clearParsedCaptions();\n      }\n\n      this.resetCaptionStream();\n    };\n\n    this.reset();\n  };\n\n  var captionParser = CaptionParser;\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n\n  var streamTypes = {\n    H264_STREAM_TYPE: 0x1B,\n    ADTS_STREAM_TYPE: 0x0F,\n    METADATA_STREAM_TYPE: 0x15\n  };\n\n  var MAX_TS = 8589934592;\n  var RO_THRESH = 4294967296;\n  var TYPE_SHARED = 'shared';\n\n  var handleRollover = function handleRollover(value, reference) {\n    var direction = 1;\n\n    if (value > reference) {\n      // If the current timestamp value is greater than our reference timestamp and we detect a\n      // timestamp rollover, this means the roll over is happening in the opposite direction.\n      // Example scenario: Enter a long stream/video just after a rollover occurred. The reference\n      // point will be set to a small number, e.g. 1. The user then seeks backwards over the\n      // rollover point. In loading this segment, the timestamp values will be very large,\n      // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust\n      // the time stamp to be `value - 2^33`.\n      direction = -1;\n    } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will\n    // cause an incorrect adjustment.\n\n\n    while (Math.abs(reference - value) > RO_THRESH) {\n      value += direction * MAX_TS;\n    }\n\n    return value;\n  };\n\n  var TimestampRolloverStream = function TimestampRolloverStream(type) {\n    var lastDTS, referenceDTS;\n    TimestampRolloverStream.prototype.init.call(this); // The \"shared\" type is used in cases where a stream will contain muxed\n    // video and audio. We could use `undefined` here, but having a string\n    // makes debugging a little clearer.\n\n    this.type_ = type || TYPE_SHARED;\n\n    this.push = function (data) {\n      // Any \"shared\" rollover streams will accept _all_ data. Otherwise,\n      // streams will only accept data that matches their type.\n      if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {\n        return;\n      }\n\n      if (referenceDTS === undefined) {\n        referenceDTS = data.dts;\n      }\n\n      data.dts = handleRollover(data.dts, referenceDTS);\n      data.pts = handleRollover(data.pts, referenceDTS);\n      lastDTS = data.dts;\n      this.trigger('data', data);\n    };\n\n    this.flush = function () {\n      referenceDTS = lastDTS;\n      this.trigger('done');\n    };\n\n    this.endTimeline = function () {\n      this.flush();\n      this.trigger('endedtimeline');\n    };\n\n    this.discontinuity = function () {\n      referenceDTS = void 0;\n      lastDTS = void 0;\n    };\n\n    this.reset = function () {\n      this.discontinuity();\n      this.trigger('reset');\n    };\n  };\n\n  TimestampRolloverStream.prototype = new stream();\n  var timestampRolloverStream = {\n    TimestampRolloverStream: TimestampRolloverStream,\n    handleRollover: handleRollover\n  };\n\n  var parsePid = function parsePid(packet) {\n    var pid = packet[1] & 0x1f;\n    pid <<= 8;\n    pid |= packet[2];\n    return pid;\n  };\n\n  var parsePayloadUnitStartIndicator = function parsePayloadUnitStartIndicator(packet) {\n    return !!(packet[1] & 0x40);\n  };\n\n  var parseAdaptionField = function parseAdaptionField(packet) {\n    var offset = 0; // if an adaption field is present, its length is specified by the\n    // fifth byte of the TS packet header. The adaptation field is\n    // used to add stuffing to PES packets that don't fill a complete\n    // TS packet, and to specify some forms of timing and control data\n    // that we do not currently use.\n\n    if ((packet[3] & 0x30) >>> 4 > 0x01) {\n      offset += packet[4] + 1;\n    }\n\n    return offset;\n  };\n\n  var parseType$1 = function parseType(packet, pmtPid) {\n    var pid = parsePid(packet);\n\n    if (pid === 0) {\n      return 'pat';\n    } else if (pid === pmtPid) {\n      return 'pmt';\n    } else if (pmtPid) {\n      return 'pes';\n    }\n\n    return null;\n  };\n\n  var parsePat = function parsePat(packet) {\n    var pusi = parsePayloadUnitStartIndicator(packet);\n    var offset = 4 + parseAdaptionField(packet);\n\n    if (pusi) {\n      offset += packet[offset] + 1;\n    }\n\n    return (packet[offset + 10] & 0x1f) << 8 | packet[offset + 11];\n  };\n\n  var parsePmt = function parsePmt(packet) {\n    var programMapTable = {};\n    var pusi = parsePayloadUnitStartIndicator(packet);\n    var payloadOffset = 4 + parseAdaptionField(packet);\n\n    if (pusi) {\n      payloadOffset += packet[payloadOffset] + 1;\n    } // PMTs can be sent ahead of the time when they should actually\n    // take effect. We don't believe this should ever be the case\n    // for HLS but we'll ignore \"forward\" PMT declarations if we see\n    // them. Future PMT declarations have the current_next_indicator\n    // set to zero.\n\n\n    if (!(packet[payloadOffset + 5] & 0x01)) {\n      return;\n    }\n\n    var sectionLength, tableEnd, programInfoLength; // the mapping table ends at the end of the current section\n\n    sectionLength = (packet[payloadOffset + 1] & 0x0f) << 8 | packet[payloadOffset + 2];\n    tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how\n    // long the program info descriptors are\n\n    programInfoLength = (packet[payloadOffset + 10] & 0x0f) << 8 | packet[payloadOffset + 11]; // advance the offset to the first entry in the mapping table\n\n    var offset = 12 + programInfoLength;\n\n    while (offset < tableEnd) {\n      var i = payloadOffset + offset; // add an entry that maps the elementary_pid to the stream_type\n\n      programMapTable[(packet[i + 1] & 0x1F) << 8 | packet[i + 2]] = packet[i]; // move to the next table entry\n      // skip past the elementary stream descriptors, if present\n\n      offset += ((packet[i + 3] & 0x0F) << 8 | packet[i + 4]) + 5;\n    }\n\n    return programMapTable;\n  };\n\n  var parsePesType = function parsePesType(packet, programMapTable) {\n    var pid = parsePid(packet);\n    var type = programMapTable[pid];\n\n    switch (type) {\n      case streamTypes.H264_STREAM_TYPE:\n        return 'video';\n\n      case streamTypes.ADTS_STREAM_TYPE:\n        return 'audio';\n\n      case streamTypes.METADATA_STREAM_TYPE:\n        return 'timed-metadata';\n\n      default:\n        return null;\n    }\n  };\n\n  var parsePesTime = function parsePesTime(packet) {\n    var pusi = parsePayloadUnitStartIndicator(packet);\n\n    if (!pusi) {\n      return null;\n    }\n\n    var offset = 4 + parseAdaptionField(packet);\n\n    if (offset >= packet.byteLength) {\n      // From the H 222.0 MPEG-TS spec\n      // \"For transport stream packets carrying PES packets, stuffing is needed when there\n      //  is insufficient PES packet data to completely fill the transport stream packet\n      //  payload bytes. Stuffing is accomplished by defining an adaptation field longer than\n      //  the sum of the lengths of the data elements in it, so that the payload bytes\n      //  remaining after the adaptation field exactly accommodates the available PES packet\n      //  data.\"\n      //\n      // If the offset is >= the length of the packet, then the packet contains no data\n      // and instead is just adaption field stuffing bytes\n      return null;\n    }\n\n    var pes = null;\n    var ptsDtsFlags; // PES packets may be annotated with a PTS value, or a PTS value\n    // and a DTS value. Determine what combination of values is\n    // available to work with.\n\n    ptsDtsFlags = packet[offset + 7]; // PTS and DTS are normally stored as a 33-bit number.  Javascript\n    // performs all bitwise operations on 32-bit integers but javascript\n    // supports a much greater range (52-bits) of integer using standard\n    // mathematical operations.\n    // We construct a 31-bit value using bitwise operators over the 31\n    // most significant bits and then multiply by 4 (equal to a left-shift\n    // of 2) before we add the final 2 least significant bits of the\n    // timestamp (equal to an OR.)\n\n    if (ptsDtsFlags & 0xC0) {\n      pes = {}; // the PTS and DTS are not written out directly. For information\n      // on how they are encoded, see\n      // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n\n      pes.pts = (packet[offset + 9] & 0x0E) << 27 | (packet[offset + 10] & 0xFF) << 20 | (packet[offset + 11] & 0xFE) << 12 | (packet[offset + 12] & 0xFF) << 5 | (packet[offset + 13] & 0xFE) >>> 3;\n      pes.pts *= 4; // Left shift by 2\n\n      pes.pts += (packet[offset + 13] & 0x06) >>> 1; // OR by the two LSBs\n\n      pes.dts = pes.pts;\n\n      if (ptsDtsFlags & 0x40) {\n        pes.dts = (packet[offset + 14] & 0x0E) << 27 | (packet[offset + 15] & 0xFF) << 20 | (packet[offset + 16] & 0xFE) << 12 | (packet[offset + 17] & 0xFF) << 5 | (packet[offset + 18] & 0xFE) >>> 3;\n        pes.dts *= 4; // Left shift by 2\n\n        pes.dts += (packet[offset + 18] & 0x06) >>> 1; // OR by the two LSBs\n      }\n    }\n\n    return pes;\n  };\n\n  var parseNalUnitType = function parseNalUnitType(type) {\n    switch (type) {\n      case 0x05:\n        return 'slice_layer_without_partitioning_rbsp_idr';\n\n      case 0x06:\n        return 'sei_rbsp';\n\n      case 0x07:\n        return 'seq_parameter_set_rbsp';\n\n      case 0x08:\n        return 'pic_parameter_set_rbsp';\n\n      case 0x09:\n        return 'access_unit_delimiter_rbsp';\n\n      default:\n        return null;\n    }\n  };\n\n  var videoPacketContainsKeyFrame = function videoPacketContainsKeyFrame(packet) {\n    var offset = 4 + parseAdaptionField(packet);\n    var frameBuffer = packet.subarray(offset);\n    var frameI = 0;\n    var frameSyncPoint = 0;\n    var foundKeyFrame = false;\n    var nalType; // advance the sync point to a NAL start, if necessary\n\n    for (; frameSyncPoint < frameBuffer.byteLength - 3; frameSyncPoint++) {\n      if (frameBuffer[frameSyncPoint + 2] === 1) {\n        // the sync point is properly aligned\n        frameI = frameSyncPoint + 5;\n        break;\n      }\n    }\n\n    while (frameI < frameBuffer.byteLength) {\n      // look at the current byte to determine if we've hit the end of\n      // a NAL unit boundary\n      switch (frameBuffer[frameI]) {\n        case 0:\n          // skip past non-sync sequences\n          if (frameBuffer[frameI - 1] !== 0) {\n            frameI += 2;\n            break;\n          } else if (frameBuffer[frameI - 2] !== 0) {\n            frameI++;\n            break;\n          }\n\n          if (frameSyncPoint + 3 !== frameI - 2) {\n            nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n            if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n              foundKeyFrame = true;\n            }\n          } // drop trailing zeroes\n\n\n          do {\n            frameI++;\n          } while (frameBuffer[frameI] !== 1 && frameI < frameBuffer.length);\n\n          frameSyncPoint = frameI - 2;\n          frameI += 3;\n          break;\n\n        case 1:\n          // skip past non-sync sequences\n          if (frameBuffer[frameI - 1] !== 0 || frameBuffer[frameI - 2] !== 0) {\n            frameI += 3;\n            break;\n          }\n\n          nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n          if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n            foundKeyFrame = true;\n          }\n\n          frameSyncPoint = frameI - 2;\n          frameI += 3;\n          break;\n\n        default:\n          // the current byte isn't a one or zero, so it cannot be part\n          // of a sync sequence\n          frameI += 3;\n          break;\n      }\n    }\n\n    frameBuffer = frameBuffer.subarray(frameSyncPoint);\n    frameI -= frameSyncPoint;\n    frameSyncPoint = 0; // parse the final nal\n\n    if (frameBuffer && frameBuffer.byteLength > 3) {\n      nalType = parseNalUnitType(frameBuffer[frameSyncPoint + 3] & 0x1f);\n\n      if (nalType === 'slice_layer_without_partitioning_rbsp_idr') {\n        foundKeyFrame = true;\n      }\n    }\n\n    return foundKeyFrame;\n  };\n\n  var probe$1 = {\n    parseType: parseType$1,\n    parsePat: parsePat,\n    parsePmt: parsePmt,\n    parsePayloadUnitStartIndicator: parsePayloadUnitStartIndicator,\n    parsePesType: parsePesType,\n    parsePesTime: parsePesTime,\n    videoPacketContainsKeyFrame: videoPacketContainsKeyFrame\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   *\n   * Utilities to detect basic properties and metadata about Aac data.\n   */\n\n  var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n\n  var isLikelyAacData = function isLikelyAacData(data) {\n    if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {\n      return true;\n    }\n\n    return false;\n  };\n\n  var parseSyncSafeInteger = function parseSyncSafeInteger(data) {\n    return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n  }; // return a percent-encoded representation of the specified byte range\n  // @see http://en.wikipedia.org/wiki/Percent-encoding\n\n\n  var percentEncode = function percentEncode(bytes, start, end) {\n    var i,\n        result = '';\n\n    for (i = start; i < end; i++) {\n      result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n    }\n\n    return result;\n  }; // return the string representation of the specified byte range,\n  // interpreted as ISO-8859-1.\n\n\n  var parseIso88591 = function parseIso88591(bytes, start, end) {\n    return unescape(percentEncode(bytes, start, end)); // jshint ignore:line\n  };\n\n  var parseId3TagSize = function parseId3TagSize(header, byteIndex) {\n    var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],\n        flags = header[byteIndex + 5],\n        footerPresent = (flags & 16) >> 4;\n\n    if (footerPresent) {\n      return returnSize + 20;\n    }\n\n    return returnSize + 10;\n  };\n\n  var parseAdtsSize = function parseAdtsSize(header, byteIndex) {\n    var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,\n        middle = header[byteIndex + 4] << 3,\n        highTwo = header[byteIndex + 3] & 0x3 << 11;\n    return highTwo | middle | lowThree;\n  };\n\n  var parseType$2 = function parseType(header, byteIndex) {\n    if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {\n      return 'timed-metadata';\n    } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {\n      return 'audio';\n    }\n\n    return null;\n  };\n\n  var parseSampleRate = function parseSampleRate(packet) {\n    var i = 0;\n\n    while (i + 5 < packet.length) {\n      if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {\n        // If a valid header was not found,  jump one forward and attempt to\n        // find a valid ADTS header starting at the next byte\n        i++;\n        continue;\n      }\n\n      return ADTS_SAMPLING_FREQUENCIES[(packet[i + 2] & 0x3c) >>> 2];\n    }\n\n    return null;\n  };\n\n  var parseAacTimestamp = function parseAacTimestamp(packet) {\n    var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag\n\n    frameStart = 10;\n\n    if (packet[5] & 0x40) {\n      // advance the frame start past the extended header\n      frameStart += 4; // header size field\n\n      frameStart += parseSyncSafeInteger(packet.subarray(10, 14));\n    } // parse one or more ID3 frames\n    // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n    do {\n      // determine the number of bytes in this frame\n      frameSize = parseSyncSafeInteger(packet.subarray(frameStart + 4, frameStart + 8));\n\n      if (frameSize < 1) {\n        return null;\n      }\n\n      frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);\n\n      if (frameHeader === 'PRIV') {\n        frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);\n\n        for (var i = 0; i < frame.byteLength; i++) {\n          if (frame[i] === 0) {\n            var owner = parseIso88591(frame, 0, i);\n\n            if (owner === 'com.apple.streaming.transportStreamTimestamp') {\n              var d = frame.subarray(i + 1);\n              var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n              size *= 4;\n              size += d[7] & 0x03;\n              return size;\n            }\n\n            break;\n          }\n        }\n      }\n\n      frameStart += 10; // advance past the frame header\n\n      frameStart += frameSize; // advance past the frame body\n    } while (frameStart < packet.byteLength);\n\n    return null;\n  };\n\n  var utils = {\n    isLikelyAacData: isLikelyAacData,\n    parseId3TagSize: parseId3TagSize,\n    parseAdtsSize: parseAdtsSize,\n    parseType: parseType$2,\n    parseSampleRate: parseSampleRate,\n    parseAacTimestamp: parseAacTimestamp\n  };\n\n  /**\n   * mux.js\n   *\n   * Copyright (c) Brightcove\n   * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n   */\n  var ONE_SECOND_IN_TS = 90000,\n      // 90kHz clock\n  secondsToVideoTs,\n      secondsToAudioTs,\n      videoTsToSeconds,\n      audioTsToSeconds,\n      audioTsToVideoTs,\n      videoTsToAudioTs,\n      metadataTsToSeconds;\n\n  secondsToVideoTs = function secondsToVideoTs(seconds) {\n    return seconds * ONE_SECOND_IN_TS;\n  };\n\n  secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {\n    return seconds * sampleRate;\n  };\n\n  videoTsToSeconds = function videoTsToSeconds(timestamp) {\n    return timestamp / ONE_SECOND_IN_TS;\n  };\n\n  audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {\n    return timestamp / sampleRate;\n  };\n\n  audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {\n    return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));\n  };\n\n  videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {\n    return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);\n  };\n  /**\n   * Adjust ID3 tag or caption timing information by the timeline pts values\n   * (if keepOriginalTimestamps is false) and convert to seconds\n   */\n\n\n  metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {\n    return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);\n  };\n\n  var clock = {\n    ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,\n    secondsToVideoTs: secondsToVideoTs,\n    secondsToAudioTs: secondsToAudioTs,\n    videoTsToSeconds: videoTsToSeconds,\n    audioTsToSeconds: audioTsToSeconds,\n    audioTsToVideoTs: audioTsToVideoTs,\n    videoTsToAudioTs: videoTsToAudioTs,\n    metadataTsToSeconds: metadataTsToSeconds\n  };\n\n  var handleRollover$1 = timestampRolloverStream.handleRollover;\n  var probe$2 = {};\n  probe$2.ts = probe$1;\n  probe$2.aac = utils;\n  var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;\n  var MP2T_PACKET_LENGTH = 188,\n      // bytes\n  SYNC_BYTE = 0x47;\n  /**\n   * walks through segment data looking for pat and pmt packets to parse out\n   * program map table information\n   */\n\n  var parsePsi_ = function parsePsi_(bytes, pmt) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type;\n\n    while (endIndex < bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pat':\n            if (!pmt.pid) {\n              pmt.pid = probe$2.ts.parsePat(packet);\n            }\n\n            break;\n\n          case 'pmt':\n            if (!pmt.table) {\n              pmt.table = probe$2.ts.parsePmt(packet);\n            }\n\n            break;\n\n          default:\n            break;\n        } // Found the pat and pmt, we can stop walking the segment\n\n\n        if (pmt.pid && pmt.table) {\n          return;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    }\n  };\n  /**\n   * walks through the segment data from the start and end to get timing information\n   * for the first and last audio pes packets\n   */\n\n\n  var parseAudioPes_ = function parseAudioPes_(bytes, pmt, result) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type,\n        pesType,\n        pusi,\n        parsed;\n    var endLoop = false; // Start walking from start of segment to get first audio packet\n\n    while (endIndex <= bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'audio' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'audio';\n                result.audio.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    } // Start walking from end of segment to get last audio packet\n\n\n    endIndex = bytes.byteLength;\n    startIndex = endIndex - MP2T_PACKET_LENGTH;\n    endLoop = false;\n\n    while (startIndex >= 0) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && (bytes[endIndex] === SYNC_BYTE || endIndex === bytes.byteLength)) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'audio' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'audio';\n                result.audio.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex -= MP2T_PACKET_LENGTH;\n        endIndex -= MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex--;\n      endIndex--;\n    }\n  };\n  /**\n   * walks through the segment data from the start and end to get timing information\n   * for the first and last video pes packets as well as timing information for the first\n   * key frame.\n   */\n\n\n  var parseVideoPes_ = function parseVideoPes_(bytes, pmt, result) {\n    var startIndex = 0,\n        endIndex = MP2T_PACKET_LENGTH,\n        packet,\n        type,\n        pesType,\n        pusi,\n        parsed,\n        frame,\n        i,\n        pes;\n    var endLoop = false;\n    var currentFrame = {\n      data: [],\n      size: 0\n    }; // Start walking from start of segment to get first video packet\n\n    while (endIndex < bytes.byteLength) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'video') {\n              if (pusi && !endLoop) {\n                parsed = probe$2.ts.parsePesTime(packet);\n\n                if (parsed) {\n                  parsed.type = 'video';\n                  result.video.push(parsed);\n                  endLoop = true;\n                }\n              }\n\n              if (!result.firstKeyFrame) {\n                if (pusi) {\n                  if (currentFrame.size !== 0) {\n                    frame = new Uint8Array(currentFrame.size);\n                    i = 0;\n\n                    while (currentFrame.data.length) {\n                      pes = currentFrame.data.shift();\n                      frame.set(pes, i);\n                      i += pes.byteLength;\n                    }\n\n                    if (probe$2.ts.videoPacketContainsKeyFrame(frame)) {\n                      var firstKeyFrame = probe$2.ts.parsePesTime(frame); // PTS/DTS may not be available. Simply *not* setting\n                      // the keyframe seems to work fine with HLS playback\n                      // and definitely preferable to a crash with TypeError...\n\n                      if (firstKeyFrame) {\n                        result.firstKeyFrame = firstKeyFrame;\n                        result.firstKeyFrame.type = 'video';\n                      } else {\n                        // eslint-disable-next-line\n                        console.warn('Failed to extract PTS/DTS from PES at first keyframe. ' + 'This could be an unusual TS segment, or else mux.js did not ' + 'parse your TS segment correctly. If you know your TS ' + 'segments do contain PTS/DTS on keyframes please file a bug ' + 'report! You can try ffprobe to double check for yourself.');\n                      }\n                    }\n\n                    currentFrame.size = 0;\n                  }\n                }\n\n                currentFrame.data.push(packet);\n                currentFrame.size += packet.byteLength;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop && result.firstKeyFrame) {\n          break;\n        }\n\n        startIndex += MP2T_PACKET_LENGTH;\n        endIndex += MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex++;\n      endIndex++;\n    } // Start walking from end of segment to get last video packet\n\n\n    endIndex = bytes.byteLength;\n    startIndex = endIndex - MP2T_PACKET_LENGTH;\n    endLoop = false;\n\n    while (startIndex >= 0) {\n      // Look for a pair of start and end sync bytes in the data..\n      if (bytes[startIndex] === SYNC_BYTE && bytes[endIndex] === SYNC_BYTE) {\n        // We found a packet\n        packet = bytes.subarray(startIndex, endIndex);\n        type = probe$2.ts.parseType(packet, pmt.pid);\n\n        switch (type) {\n          case 'pes':\n            pesType = probe$2.ts.parsePesType(packet, pmt.table);\n            pusi = probe$2.ts.parsePayloadUnitStartIndicator(packet);\n\n            if (pesType === 'video' && pusi) {\n              parsed = probe$2.ts.parsePesTime(packet);\n\n              if (parsed) {\n                parsed.type = 'video';\n                result.video.push(parsed);\n                endLoop = true;\n              }\n            }\n\n            break;\n\n          default:\n            break;\n        }\n\n        if (endLoop) {\n          break;\n        }\n\n        startIndex -= MP2T_PACKET_LENGTH;\n        endIndex -= MP2T_PACKET_LENGTH;\n        continue;\n      } // If we get here, we have somehow become de-synchronized and we need to step\n      // forward one byte at a time until we find a pair of sync bytes that denote\n      // a packet\n\n\n      startIndex--;\n      endIndex--;\n    }\n  };\n  /**\n   * Adjusts the timestamp information for the segment to account for\n   * rollover and convert to seconds based on pes packet timescale (90khz clock)\n   */\n\n\n  var adjustTimestamp_ = function adjustTimestamp_(segmentInfo, baseTimestamp) {\n    if (segmentInfo.audio && segmentInfo.audio.length) {\n      var audioBaseTimestamp = baseTimestamp;\n\n      if (typeof audioBaseTimestamp === 'undefined') {\n        audioBaseTimestamp = segmentInfo.audio[0].dts;\n      }\n\n      segmentInfo.audio.forEach(function (info) {\n        info.dts = handleRollover$1(info.dts, audioBaseTimestamp);\n        info.pts = handleRollover$1(info.pts, audioBaseTimestamp); // time in seconds\n\n        info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;\n        info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;\n      });\n    }\n\n    if (segmentInfo.video && segmentInfo.video.length) {\n      var videoBaseTimestamp = baseTimestamp;\n\n      if (typeof videoBaseTimestamp === 'undefined') {\n        videoBaseTimestamp = segmentInfo.video[0].dts;\n      }\n\n      segmentInfo.video.forEach(function (info) {\n        info.dts = handleRollover$1(info.dts, videoBaseTimestamp);\n        info.pts = handleRollover$1(info.pts, videoBaseTimestamp); // time in seconds\n\n        info.dtsTime = info.dts / ONE_SECOND_IN_TS$1;\n        info.ptsTime = info.pts / ONE_SECOND_IN_TS$1;\n      });\n\n      if (segmentInfo.firstKeyFrame) {\n        var frame = segmentInfo.firstKeyFrame;\n        frame.dts = handleRollover$1(frame.dts, videoBaseTimestamp);\n        frame.pts = handleRollover$1(frame.pts, videoBaseTimestamp); // time in seconds\n\n        frame.dtsTime = frame.dts / ONE_SECOND_IN_TS$1;\n        frame.ptsTime = frame.dts / ONE_SECOND_IN_TS$1;\n      }\n    }\n  };\n  /**\n   * inspects the aac data stream for start and end time information\n   */\n\n\n  var inspectAac_ = function inspectAac_(bytes) {\n    var endLoop = false,\n        audioCount = 0,\n        sampleRate = null,\n        timestamp = null,\n        frameSize = 0,\n        byteIndex = 0,\n        packet;\n\n    while (bytes.length - byteIndex >= 3) {\n      var type = probe$2.aac.parseType(bytes, byteIndex);\n\n      switch (type) {\n        case 'timed-metadata':\n          // Exit early because we don't have enough to parse\n          // the ID3 tag header\n          if (bytes.length - byteIndex < 10) {\n            endLoop = true;\n            break;\n          }\n\n          frameSize = probe$2.aac.parseId3TagSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer\n          // to emit a full packet\n\n          if (frameSize > bytes.length) {\n            endLoop = true;\n            break;\n          }\n\n          if (timestamp === null) {\n            packet = bytes.subarray(byteIndex, byteIndex + frameSize);\n            timestamp = probe$2.aac.parseAacTimestamp(packet);\n          }\n\n          byteIndex += frameSize;\n          break;\n\n        case 'audio':\n          // Exit early because we don't have enough to parse\n          // the ADTS frame header\n          if (bytes.length - byteIndex < 7) {\n            endLoop = true;\n            break;\n          }\n\n          frameSize = probe$2.aac.parseAdtsSize(bytes, byteIndex); // Exit early if we don't have enough in the buffer\n          // to emit a full packet\n\n          if (frameSize > bytes.length) {\n            endLoop = true;\n            break;\n          }\n\n          if (sampleRate === null) {\n            packet = bytes.subarray(byteIndex, byteIndex + frameSize);\n            sampleRate = probe$2.aac.parseSampleRate(packet);\n          }\n\n          audioCount++;\n          byteIndex += frameSize;\n          break;\n\n        default:\n          byteIndex++;\n          break;\n      }\n\n      if (endLoop) {\n        return null;\n      }\n    }\n\n    if (sampleRate === null || timestamp === null) {\n      return null;\n    }\n\n    var audioTimescale = ONE_SECOND_IN_TS$1 / sampleRate;\n    var result = {\n      audio: [{\n        type: 'audio',\n        dts: timestamp,\n        pts: timestamp\n      }, {\n        type: 'audio',\n        dts: timestamp + audioCount * 1024 * audioTimescale,\n        pts: timestamp + audioCount * 1024 * audioTimescale\n      }]\n    };\n    return result;\n  };\n  /**\n   * inspects the transport stream segment data for start and end time information\n   * of the audio and video tracks (when present) as well as the first key frame's\n   * start time.\n   */\n\n\n  var inspectTs_ = function inspectTs_(bytes) {\n    var pmt = {\n      pid: null,\n      table: null\n    };\n    var result = {};\n    parsePsi_(bytes, pmt);\n\n    for (var pid in pmt.table) {\n      if (pmt.table.hasOwnProperty(pid)) {\n        var type = pmt.table[pid];\n\n        switch (type) {\n          case streamTypes.H264_STREAM_TYPE:\n            result.video = [];\n            parseVideoPes_(bytes, pmt, result);\n\n            if (result.video.length === 0) {\n              delete result.video;\n            }\n\n            break;\n\n          case streamTypes.ADTS_STREAM_TYPE:\n            result.audio = [];\n            parseAudioPes_(bytes, pmt, result);\n\n            if (result.audio.length === 0) {\n              delete result.audio;\n            }\n\n            break;\n\n          default:\n            break;\n        }\n      }\n    }\n\n    return result;\n  };\n  /**\n   * Inspects segment byte data and returns an object with start and end timing information\n   *\n   * @param {Uint8Array} bytes The segment byte data\n   * @param {Number} baseTimestamp Relative reference timestamp used when adjusting frame\n   *  timestamps for rollover. This value must be in 90khz clock.\n   * @return {Object} Object containing start and end frame timing info of segment.\n   */\n\n\n  var inspect = function inspect(bytes, baseTimestamp) {\n    var isAacData = probe$2.aac.isLikelyAacData(bytes);\n    var result;\n\n    if (isAacData) {\n      result = inspectAac_(bytes);\n    } else {\n      result = inspectTs_(bytes);\n    }\n\n    if (!result || !result.audio && !result.video) {\n      return null;\n    }\n\n    adjustTimestamp_(result, baseTimestamp);\n    return result;\n  };\n\n  var tsInspector = {\n    inspect: inspect,\n    parseAudioPes_: parseAudioPes_\n  };\n\n  /*\n   * pkcs7.pad\n   * https://github.com/brightcove/pkcs7\n   *\n   * Copyright (c) 2014 Brightcove\n   * Licensed under the apache2 license.\n   */\n  /**\n   * Returns the subarray of a Uint8Array without PKCS#7 padding.\n   * @param padded {Uint8Array} unencrypted bytes that have been padded\n   * @return {Uint8Array} the unpadded bytes\n   * @see http://tools.ietf.org/html/rfc5652\n   */\n\n  function unpad(padded) {\n    return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);\n  }\n\n  var classCallCheck = function classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var inherits$1 = function inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n  /**\n   * @file aes.js\n   *\n   * This file contains an adaptation of the AES decryption algorithm\n   * from the Standford Javascript Cryptography Library. That work is\n   * covered by the following copyright and permissions notice:\n   *\n   * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n   * All rights reserved.\n   *\n   * Redistribution and use in source and binary forms, with or without\n   * modification, are permitted provided that the following conditions are\n   * met:\n   *\n   * 1. Redistributions of source code must retain the above copyright\n   *    notice, this list of conditions and the following disclaimer.\n   *\n   * 2. Redistributions in binary form must reproduce the above\n   *    copyright notice, this list of conditions and the following\n   *    disclaimer in the documentation and/or other materials provided\n   *    with the distribution.\n   *\n   * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n   * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n   * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE\n   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n   * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n   * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n   * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n   *\n   * The views and conclusions contained in the software and documentation\n   * are those of the authors and should not be interpreted as representing\n   * official policies, either expressed or implied, of the authors.\n   */\n\n  /**\n   * Expand the S-box tables.\n   *\n   * @private\n   */\n\n\n  var precompute = function precompute() {\n    var tables = [[[], [], [], [], []], [[], [], [], [], []]];\n    var encTable = tables[0];\n    var decTable = tables[1];\n    var sbox = encTable[4];\n    var sboxInv = decTable[4];\n    var i = void 0;\n    var x = void 0;\n    var xInv = void 0;\n    var d = [];\n    var th = [];\n    var x2 = void 0;\n    var x4 = void 0;\n    var x8 = void 0;\n    var s = void 0;\n    var tEnc = void 0;\n    var tDec = void 0; // Compute double and third tables\n\n    for (i = 0; i < 256; i++) {\n      th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;\n    }\n\n    for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n      // Compute sbox\n      s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;\n      s = s >> 8 ^ s & 255 ^ 99;\n      sbox[x] = s;\n      sboxInv[s] = x; // Compute MixColumns\n\n      x8 = d[x4 = d[x2 = d[x]]];\n      tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;\n      tEnc = d[s] * 0x101 ^ s * 0x1010100;\n\n      for (i = 0; i < 4; i++) {\n        encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;\n        decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;\n      }\n    } // Compactify. Considerable speedup on Firefox.\n\n\n    for (i = 0; i < 5; i++) {\n      encTable[i] = encTable[i].slice(0);\n      decTable[i] = decTable[i].slice(0);\n    }\n\n    return tables;\n  };\n\n  var aesTables = null;\n  /**\n   * Schedule out an AES key for both encryption and decryption. This\n   * is a low-level class. Use a cipher mode to do bulk encryption.\n   *\n   * @class AES\n   * @param key {Array} The key as an array of 4, 6 or 8 words.\n   */\n\n  var AES = function () {\n    function AES(key) {\n      classCallCheck(this, AES);\n      /**\n       * The expanded S-box and inverse S-box tables. These will be computed\n       * on the client so that we don't have to send them down the wire.\n       *\n       * There are two tables, _tables[0] is for encryption and\n       * _tables[1] is for decryption.\n       *\n       * The first 4 sub-tables are the expanded S-box with MixColumns. The\n       * last (_tables[01][4]) is the S-box itself.\n       *\n       * @private\n       */\n      // if we have yet to precompute the S-box tables\n      // do so now\n\n      if (!aesTables) {\n        aesTables = precompute();\n      } // then make a copy of that object for use\n\n\n      this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];\n      var i = void 0;\n      var j = void 0;\n      var tmp = void 0;\n      var encKey = void 0;\n      var decKey = void 0;\n      var sbox = this._tables[0][4];\n      var decTable = this._tables[1];\n      var keyLen = key.length;\n      var rcon = 1;\n\n      if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n        throw new Error('Invalid aes key size');\n      }\n\n      encKey = key.slice(0);\n      decKey = [];\n      this._key = [encKey, decKey]; // schedule encryption keys\n\n      for (i = keyLen; i < 4 * keyLen + 28; i++) {\n        tmp = encKey[i - 1]; // apply sbox\n\n        if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {\n          tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon\n\n          if (i % keyLen === 0) {\n            tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;\n            rcon = rcon << 1 ^ (rcon >> 7) * 283;\n          }\n        }\n\n        encKey[i] = encKey[i - keyLen] ^ tmp;\n      } // schedule decryption keys\n\n\n      for (j = 0; i; j++, i--) {\n        tmp = encKey[j & 3 ? i : i - 4];\n\n        if (i <= 4 || j < 4) {\n          decKey[j] = tmp;\n        } else {\n          decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];\n        }\n      }\n    }\n    /**\n     * Decrypt 16 bytes, specified as four 32-bit words.\n     *\n     * @param {Number} encrypted0 the first word to decrypt\n     * @param {Number} encrypted1 the second word to decrypt\n     * @param {Number} encrypted2 the third word to decrypt\n     * @param {Number} encrypted3 the fourth word to decrypt\n     * @param {Int32Array} out the array to write the decrypted words\n     * into\n     * @param {Number} offset the offset into the output array to start\n     * writing results\n     * @return {Array} The plaintext.\n     */\n\n\n    AES.prototype.decrypt = function decrypt(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n      var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data\n\n      var a = encrypted0 ^ key[0];\n      var b = encrypted3 ^ key[1];\n      var c = encrypted2 ^ key[2];\n      var d = encrypted1 ^ key[3];\n      var a2 = void 0;\n      var b2 = void 0;\n      var c2 = void 0; // key.length === 2 ?\n\n      var nInnerRounds = key.length / 4 - 2;\n      var i = void 0;\n      var kIndex = 4;\n      var table = this._tables[1]; // load up the tables\n\n      var table0 = table[0];\n      var table1 = table[1];\n      var table2 = table[2];\n      var table3 = table[3];\n      var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.\n\n      for (i = 0; i < nInnerRounds; i++) {\n        a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];\n        b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n        c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n        d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n        kIndex += 4;\n        a = a2;\n        b = b2;\n        c = c2;\n      } // Last round.\n\n\n      for (i = 0; i < 4; i++) {\n        out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];\n        a2 = a;\n        a = b;\n        b = c;\n        c = d;\n        d = a2;\n      }\n    };\n\n    return AES;\n  }();\n  /**\n   * @file stream.js\n   */\n\n  /**\n   * A lightweight readable stream implemention that handles event dispatching.\n   *\n   * @class Stream\n   */\n\n\n  var Stream$2 = function () {\n    function Stream() {\n      classCallCheck(this, Stream);\n      this.listeners = {};\n    }\n    /**\n     * Add a listener for a specified event type.\n     *\n     * @param {String} type the event name\n     * @param {Function} listener the callback to be invoked when an event of\n     * the specified type occurs\n     */\n\n\n    Stream.prototype.on = function on(type, listener) {\n      if (!this.listeners[type]) {\n        this.listeners[type] = [];\n      }\n\n      this.listeners[type].push(listener);\n    };\n    /**\n     * Remove a listener for a specified event type.\n     *\n     * @param {String} type the event name\n     * @param {Function} listener  a function previously registered for this\n     * type of event through `on`\n     * @return {Boolean} if we could turn it off or not\n     */\n\n\n    Stream.prototype.off = function off(type, listener) {\n      if (!this.listeners[type]) {\n        return false;\n      }\n\n      var index = this.listeners[type].indexOf(listener);\n      this.listeners[type].splice(index, 1);\n      return index > -1;\n    };\n    /**\n     * Trigger an event of the specified type on this stream. Any additional\n     * arguments to this function are passed as parameters to event listeners.\n     *\n     * @param {String} type the event name\n     */\n\n\n    Stream.prototype.trigger = function trigger(type) {\n      var callbacks = this.listeners[type];\n\n      if (!callbacks) {\n        return;\n      } // Slicing the arguments on every invocation of this method\n      // can add a significant amount of overhead. Avoid the\n      // intermediate object creation for the common case of a\n      // single callback argument\n\n\n      if (arguments.length === 2) {\n        var length = callbacks.length;\n\n        for (var i = 0; i < length; ++i) {\n          callbacks[i].call(this, arguments[1]);\n        }\n      } else {\n        var args = Array.prototype.slice.call(arguments, 1);\n        var _length = callbacks.length;\n\n        for (var _i = 0; _i < _length; ++_i) {\n          callbacks[_i].apply(this, args);\n        }\n      }\n    };\n    /**\n     * Destroys the stream and cleans up.\n     */\n\n\n    Stream.prototype.dispose = function dispose() {\n      this.listeners = {};\n    };\n    /**\n     * Forwards all `data` events on this stream to the destination stream. The\n     * destination stream should provide a method `push` to receive the data\n     * events as they arrive.\n     *\n     * @param {Stream} destination the stream that will receive all `data` events\n     * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n     */\n\n\n    Stream.prototype.pipe = function pipe(destination) {\n      this.on('data', function (data) {\n        destination.push(data);\n      });\n    };\n\n    return Stream;\n  }();\n  /**\n   * @file async-stream.js\n   */\n\n  /**\n   * A wrapper around the Stream class to use setTiemout\n   * and run stream \"jobs\" Asynchronously\n   *\n   * @class AsyncStream\n   * @extends Stream\n   */\n\n\n  var AsyncStream = function (_Stream) {\n    inherits$1(AsyncStream, _Stream);\n\n    function AsyncStream() {\n      classCallCheck(this, AsyncStream);\n\n      var _this = possibleConstructorReturn(this, _Stream.call(this, Stream$2));\n\n      _this.jobs = [];\n      _this.delay = 1;\n      _this.timeout_ = null;\n      return _this;\n    }\n    /**\n     * process an async job\n     *\n     * @private\n     */\n\n\n    AsyncStream.prototype.processJob_ = function processJob_() {\n      this.jobs.shift()();\n\n      if (this.jobs.length) {\n        this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n      } else {\n        this.timeout_ = null;\n      }\n    };\n    /**\n     * push a job into the stream\n     *\n     * @param {Function} job the job to push into the stream\n     */\n\n\n    AsyncStream.prototype.push = function push(job) {\n      this.jobs.push(job);\n\n      if (!this.timeout_) {\n        this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n      }\n    };\n\n    return AsyncStream;\n  }(Stream$2);\n  /**\n   * @file decrypter.js\n   *\n   * An asynchronous implementation of AES-128 CBC decryption with\n   * PKCS#7 padding.\n   */\n\n  /**\n   * Convert network-order (big-endian) bytes into their little-endian\n   * representation.\n   */\n\n\n  var ntoh = function ntoh(word) {\n    return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;\n  };\n  /**\n   * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n   *\n   * @param {Uint8Array} encrypted the encrypted bytes\n   * @param {Uint32Array} key the bytes of the decryption key\n   * @param {Uint32Array} initVector the initialization vector (IV) to\n   * use for the first round of CBC.\n   * @return {Uint8Array} the decrypted bytes\n   *\n   * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n   * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n   * @see https://tools.ietf.org/html/rfc2315\n   */\n\n\n  var decrypt = function decrypt(encrypted, key, initVector) {\n    // word-level access to the encrypted bytes\n    var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);\n    var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output\n\n    var decrypted = new Uint8Array(encrypted.byteLength);\n    var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and\n    // decrypted data\n\n    var init0 = void 0;\n    var init1 = void 0;\n    var init2 = void 0;\n    var init3 = void 0;\n    var encrypted0 = void 0;\n    var encrypted1 = void 0;\n    var encrypted2 = void 0;\n    var encrypted3 = void 0; // iteration variable\n\n    var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the\n    // passed-in reference and easier access\n\n    init0 = initVector[0];\n    init1 = initVector[1];\n    init2 = initVector[2];\n    init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)\n    // to each decrypted block\n\n    for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n      // convert big-endian (network order) words into little-endian\n      // (javascript order)\n      encrypted0 = ntoh(encrypted32[wordIx]);\n      encrypted1 = ntoh(encrypted32[wordIx + 1]);\n      encrypted2 = ntoh(encrypted32[wordIx + 2]);\n      encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block\n\n      decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the\n      // plaintext\n\n      decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);\n      decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);\n      decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);\n      decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round\n\n      init0 = encrypted0;\n      init1 = encrypted1;\n      init2 = encrypted2;\n      init3 = encrypted3;\n    }\n\n    return decrypted;\n  };\n  /**\n   * The `Decrypter` class that manages decryption of AES\n   * data through `AsyncStream` objects and the `decrypt`\n   * function\n   *\n   * @param {Uint8Array} encrypted the encrypted bytes\n   * @param {Uint32Array} key the bytes of the decryption key\n   * @param {Uint32Array} initVector the initialization vector (IV) to\n   * @param {Function} done the function to run when done\n   * @class Decrypter\n   */\n\n\n  var Decrypter = function () {\n    function Decrypter(encrypted, key, initVector, done) {\n      classCallCheck(this, Decrypter);\n      var step = Decrypter.STEP;\n      var encrypted32 = new Int32Array(encrypted.buffer);\n      var decrypted = new Uint8Array(encrypted.byteLength);\n      var i = 0;\n      this.asyncStream_ = new AsyncStream(); // split up the encryption job and do the individual chunks asynchronously\n\n      this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n\n      for (i = step; i < encrypted32.length; i += step) {\n        initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);\n        this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n      } // invoke the done() callback when everything is finished\n\n\n      this.asyncStream_.push(function () {\n        // remove pkcs#7 padding from the decrypted bytes\n        done(null, unpad(decrypted));\n      });\n    }\n    /**\n     * a getter for step the maximum number of bytes to process at one time\n     *\n     * @return {Number} the value of step 32000\n     */\n\n    /**\n     * @private\n     */\n\n\n    Decrypter.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {\n      return function () {\n        var bytes = decrypt(encrypted, key, initVector);\n        decrypted.set(bytes, encrypted.byteOffset);\n      };\n    };\n\n    createClass(Decrypter, null, [{\n      key: 'STEP',\n      get: function get$$1() {\n        // 4 * 8000;\n        return 32000;\n      }\n    }]);\n    return Decrypter;\n  }();\n\n  /**\n   * @videojs/http-streaming\n   * @version 1.12.3\n   * @copyright 2020 Brightcove, Inc\n   * @license Apache-2.0\n   */\n  /**\n   * @file resolve-url.js - Handling how URLs are resolved and manipulated\n   */\n\n  var resolveUrl$1 = function resolveUrl(baseURL, relativeURL) {\n    // return early if we don't need to resolve\n    if (/^[a-z]+:/i.test(relativeURL)) {\n      return relativeURL;\n    } // if the base URL is relative then combine with the current location\n\n\n    if (!/\\/\\//i.test(baseURL)) {\n      baseURL = urlToolkit.buildAbsoluteURL(window$3.location.href, baseURL);\n    }\n\n    return urlToolkit.buildAbsoluteURL(baseURL, relativeURL);\n  };\n  /**\n   * Checks whether xhr request was redirected and returns correct url depending\n   * on `handleManifestRedirects` option\n   *\n   * @api private\n   *\n   * @param  {String} url - an url being requested\n   * @param  {XMLHttpRequest} req - xhr request result\n   *\n   * @return {String}\n   */\n\n\n  var resolveManifestRedirect = function resolveManifestRedirect(handleManifestRedirect, url, req) {\n    // To understand how the responseURL below is set and generated:\n    // - https://fetch.spec.whatwg.org/#concept-response-url\n    // - https://fetch.spec.whatwg.org/#atomic-http-redirect-handling\n    if (handleManifestRedirect && req.responseURL && url !== req.responseURL) {\n      return req.responseURL;\n    }\n\n    return url;\n  };\n\n  var classCallCheck$1 = function classCallCheck(instance, Constructor) {\n    if (!(instance instanceof Constructor)) {\n      throw new TypeError(\"Cannot call a class as a function\");\n    }\n  };\n\n  var createClass$1 = function () {\n    function defineProperties(target, props) {\n      for (var i = 0; i < props.length; i++) {\n        var descriptor = props[i];\n        descriptor.enumerable = descriptor.enumerable || false;\n        descriptor.configurable = true;\n        if (\"value\" in descriptor) descriptor.writable = true;\n        Object.defineProperty(target, descriptor.key, descriptor);\n      }\n    }\n\n    return function (Constructor, protoProps, staticProps) {\n      if (protoProps) defineProperties(Constructor.prototype, protoProps);\n      if (staticProps) defineProperties(Constructor, staticProps);\n      return Constructor;\n    };\n  }();\n\n  var get$1 = function get(object, property, receiver) {\n    if (object === null) object = Function.prototype;\n    var desc = Object.getOwnPropertyDescriptor(object, property);\n\n    if (desc === undefined) {\n      var parent = Object.getPrototypeOf(object);\n\n      if (parent === null) {\n        return undefined;\n      } else {\n        return get(parent, property, receiver);\n      }\n    } else if (\"value\" in desc) {\n      return desc.value;\n    } else {\n      var getter = desc.get;\n\n      if (getter === undefined) {\n        return undefined;\n      }\n\n      return getter.call(receiver);\n    }\n  };\n\n  var inherits$2 = function inherits(subClass, superClass) {\n    if (typeof superClass !== \"function\" && superClass !== null) {\n      throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n    }\n\n    subClass.prototype = Object.create(superClass && superClass.prototype, {\n      constructor: {\n        value: subClass,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n  };\n\n  var possibleConstructorReturn$1 = function possibleConstructorReturn(self, call) {\n    if (!self) {\n      throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n    }\n\n    return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n  };\n\n  var slicedToArray = function () {\n    function sliceIterator(arr, i) {\n      var _arr = [];\n      var _n = true;\n      var _d = false;\n      var _e = undefined;\n\n      try {\n        for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {\n          _arr.push(_s.value);\n\n          if (i && _arr.length === i) break;\n        }\n      } catch (err) {\n        _d = true;\n        _e = err;\n      } finally {\n        try {\n          if (!_n && _i[\"return\"]) _i[\"return\"]();\n        } finally {\n          if (_d) throw _e;\n        }\n      }\n\n      return _arr;\n    }\n\n    return function (arr, i) {\n      if (Array.isArray(arr)) {\n        return arr;\n      } else if (Symbol.iterator in Object(arr)) {\n        return sliceIterator(arr, i);\n      } else {\n        throw new TypeError(\"Invalid attempt to destructure non-iterable instance\");\n      }\n    };\n  }();\n  /**\n   * @file playlist-loader.js\n   *\n   * A state machine that manages the loading, caching, and updating of\n   * M3U8 playlists.\n   *\n   */\n\n\n  var mergeOptions$1 = videojs$1.mergeOptions,\n      EventTarget$1 = videojs$1.EventTarget,\n      log$1 = videojs$1.log;\n  /**\n   * Loops through all supported media groups in master and calls the provided\n   * callback for each group\n   *\n   * @param {Object} master\n   *        The parsed master manifest object\n   * @param {Function} callback\n   *        Callback to call for each media group\n   */\n\n  var forEachMediaGroup = function forEachMediaGroup(master, callback) {\n    ['AUDIO', 'SUBTITLES'].forEach(function (mediaType) {\n      for (var groupKey in master.mediaGroups[mediaType]) {\n        for (var labelKey in master.mediaGroups[mediaType][groupKey]) {\n          var mediaProperties = master.mediaGroups[mediaType][groupKey][labelKey];\n          callback(mediaProperties, mediaType, groupKey, labelKey);\n        }\n      }\n    });\n  };\n  /**\n    * Returns a new array of segments that is the result of merging\n    * properties from an older list of segments onto an updated\n    * list. No properties on the updated playlist will be overridden.\n    *\n    * @param {Array} original the outdated list of segments\n    * @param {Array} update the updated list of segments\n    * @param {Number=} offset the index of the first update\n    * segment in the original segment list. For non-live playlists,\n    * this should always be zero and does not need to be\n    * specified. For live playlists, it should be the difference\n    * between the media sequence numbers in the original and updated\n    * playlists.\n    * @return a list of merged segment objects\n    */\n\n\n  var updateSegments = function updateSegments(original, update, offset) {\n    var result = update.slice();\n    offset = offset || 0;\n    var length = Math.min(original.length, update.length + offset);\n\n    for (var i = offset; i < length; i++) {\n      result[i - offset] = mergeOptions$1(original[i], result[i - offset]);\n    }\n\n    return result;\n  };\n\n  var resolveSegmentUris = function resolveSegmentUris(segment, baseUri) {\n    if (!segment.resolvedUri) {\n      segment.resolvedUri = resolveUrl$1(baseUri, segment.uri);\n    }\n\n    if (segment.key && !segment.key.resolvedUri) {\n      segment.key.resolvedUri = resolveUrl$1(baseUri, segment.key.uri);\n    }\n\n    if (segment.map && !segment.map.resolvedUri) {\n      segment.map.resolvedUri = resolveUrl$1(baseUri, segment.map.uri);\n    }\n  };\n  /**\n    * Returns a new master playlist that is the result of merging an\n    * updated media playlist into the original version. If the\n    * updated media playlist does not match any of the playlist\n    * entries in the original master playlist, null is returned.\n    *\n    * @param {Object} master a parsed master M3U8 object\n    * @param {Object} media a parsed media M3U8 object\n    * @return {Object} a new object that represents the original\n    * master playlist with the updated media playlist merged in, or\n    * null if the merge produced no change.\n    */\n\n\n  var updateMaster = function updateMaster(master, media) {\n    var result = mergeOptions$1(master, {});\n    var playlist = result.playlists[media.id];\n\n    if (!playlist) {\n      return null;\n    } // consider the playlist unchanged if the number of segments is equal, the media\n    // sequence number is unchanged, and this playlist hasn't become the end of the playlist\n\n\n    if (playlist.segments && media.segments && playlist.segments.length === media.segments.length && playlist.endList === media.endList && playlist.mediaSequence === media.mediaSequence) {\n      return null;\n    }\n\n    var mergedPlaylist = mergeOptions$1(playlist, media); // if the update could overlap existing segment information, merge the two segment lists\n\n    if (playlist.segments) {\n      mergedPlaylist.segments = updateSegments(playlist.segments, media.segments, media.mediaSequence - playlist.mediaSequence);\n    } // resolve any segment URIs to prevent us from having to do it later\n\n\n    mergedPlaylist.segments.forEach(function (segment) {\n      resolveSegmentUris(segment, mergedPlaylist.resolvedUri);\n    }); // TODO Right now in the playlists array there are two references to each playlist, one\n    // that is referenced by index, and one by URI. The index reference may no longer be\n    // necessary.\n\n    for (var i = 0; i < result.playlists.length; i++) {\n      if (result.playlists[i].id === media.id) {\n        result.playlists[i] = mergedPlaylist;\n      }\n    }\n\n    result.playlists[media.id] = mergedPlaylist; // URI reference added for backwards compatibility\n\n    result.playlists[media.uri] = mergedPlaylist;\n    return result;\n  };\n\n  var createPlaylistID = function createPlaylistID(index, uri) {\n    return index + '-' + uri;\n  };\n\n  var setupMediaPlaylists = function setupMediaPlaylists(master) {\n    // setup by-URI lookups and resolve media playlist URIs\n    var i = master.playlists.length;\n\n    while (i--) {\n      var playlist = master.playlists[i];\n      playlist.resolvedUri = resolveUrl$1(master.uri, playlist.uri);\n      playlist.id = createPlaylistID(i, playlist.uri);\n      master.playlists[playlist.id] = playlist; // URI reference added for backwards compatibility\n\n      master.playlists[playlist.uri] = playlist;\n\n      if (!playlist.attributes) {\n        // Although the spec states an #EXT-X-STREAM-INF tag MUST have a\n        // BANDWIDTH attribute, we can play the stream without it. This means a poorly\n        // formatted master playlist may not have an attribute list. An attributes\n        // property is added here to prevent undefined references when we encounter\n        // this scenario.\n        playlist.attributes = {};\n        log$1.warn('Invalid playlist STREAM-INF detected. Missing BANDWIDTH attribute.');\n      }\n    }\n  };\n\n  var resolveMediaGroupUris = function resolveMediaGroupUris(master) {\n    forEachMediaGroup(master, function (properties) {\n      if (properties.uri) {\n        properties.resolvedUri = resolveUrl$1(master.uri, properties.uri);\n      }\n    });\n  };\n  /**\n   * Calculates the time to wait before refreshing a live playlist\n   *\n   * @param {Object} media\n   *        The current media\n   * @param {Boolean} update\n   *        True if there were any updates from the last refresh, false otherwise\n   * @return {Number}\n   *         The time in ms to wait before refreshing the live playlist\n   */\n\n\n  var refreshDelay = function refreshDelay(media, update) {\n    var lastSegment = media.segments[media.segments.length - 1];\n    var delay = void 0;\n\n    if (update && lastSegment && lastSegment.duration) {\n      delay = lastSegment.duration * 1000;\n    } else {\n      // if the playlist is unchanged since the last reload or last segment duration\n      // cannot be determined, try again after half the target duration\n      delay = (media.targetDuration || 10) * 500;\n    }\n\n    return delay;\n  };\n  /**\n   * Load a playlist from a remote location\n   *\n   * @class PlaylistLoader\n   * @extends Stream\n   * @param {String} srcUrl the url to start with\n   * @param {Boolean} withCredentials the withCredentials xhr option\n   * @constructor\n   */\n\n\n  var PlaylistLoader = function (_EventTarget) {\n    inherits$2(PlaylistLoader, _EventTarget);\n\n    function PlaylistLoader(srcUrl, hls) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      classCallCheck$1(this, PlaylistLoader);\n\n      var _this = possibleConstructorReturn$1(this, (PlaylistLoader.__proto__ || Object.getPrototypeOf(PlaylistLoader)).call(this));\n\n      var _options$withCredenti = options.withCredentials,\n          withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,\n          _options$handleManife = options.handleManifestRedirects,\n          handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;\n      _this.srcUrl = srcUrl;\n      _this.hls_ = hls;\n      _this.withCredentials = withCredentials;\n      _this.handleManifestRedirects = handleManifestRedirects;\n      var hlsOptions = hls.options_;\n      _this.customTagParsers = hlsOptions && hlsOptions.customTagParsers || [];\n      _this.customTagMappers = hlsOptions && hlsOptions.customTagMappers || [];\n\n      if (!_this.srcUrl) {\n        throw new Error('A non-empty playlist URL is required');\n      } // initialize the loader state\n\n\n      _this.state = 'HAVE_NOTHING'; // live playlist staleness timeout\n\n      _this.on('mediaupdatetimeout', function () {\n        if (_this.state !== 'HAVE_METADATA') {\n          // only refresh the media playlist if no other activity is going on\n          return;\n        }\n\n        _this.state = 'HAVE_CURRENT_METADATA';\n        _this.request = _this.hls_.xhr({\n          uri: resolveUrl$1(_this.master.uri, _this.media().uri),\n          withCredentials: _this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this.request) {\n            return;\n          }\n\n          if (error) {\n            return _this.playlistRequestError(_this.request, _this.media(), 'HAVE_METADATA');\n          }\n\n          _this.haveMetadata(_this.request, _this.media().uri, _this.media().id);\n        });\n      });\n\n      return _this;\n    }\n\n    createClass$1(PlaylistLoader, [{\n      key: 'playlistRequestError',\n      value: function playlistRequestError(xhr, playlist, startingState) {\n        var uri = playlist.uri,\n            id = playlist.id; // any in-flight request is now finished\n\n        this.request = null;\n\n        if (startingState) {\n          this.state = startingState;\n        }\n\n        this.error = {\n          playlist: this.master.playlists[id],\n          status: xhr.status,\n          message: 'HLS playlist request error at URL: ' + uri + '.',\n          responseText: xhr.responseText,\n          code: xhr.status >= 500 ? 4 : 2\n        };\n        this.trigger('error');\n      } // update the playlist loader's state in response to a new or\n      // updated playlist.\n\n    }, {\n      key: 'haveMetadata',\n      value: function haveMetadata(xhr, url, id) {\n        var _this2 = this; // any in-flight request is now finished\n\n\n        this.request = null;\n        this.state = 'HAVE_METADATA';\n        var parser = new Parser(); // adding custom tag parsers\n\n        this.customTagParsers.forEach(function (customParser) {\n          return parser.addParser(customParser);\n        }); // adding custom tag mappers\n\n        this.customTagMappers.forEach(function (mapper) {\n          return parser.addTagMapper(mapper);\n        });\n        parser.push(xhr.responseText);\n        parser.end();\n        parser.manifest.uri = url;\n        parser.manifest.id = id; // m3u8-parser does not attach an attributes property to media playlists so make\n        // sure that the property is attached to avoid undefined reference errors\n\n        parser.manifest.attributes = parser.manifest.attributes || {}; // merge this playlist into the master\n\n        var update = updateMaster(this.master, parser.manifest);\n        this.targetDuration = parser.manifest.targetDuration;\n\n        if (update) {\n          this.master = update;\n          this.media_ = this.master.playlists[id];\n        } else {\n          this.trigger('playlistunchanged');\n        } // refresh live playlists after a target duration passes\n\n\n        if (!this.media().endList) {\n          window$3.clearTimeout(this.mediaUpdateTimeout);\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            _this2.trigger('mediaupdatetimeout');\n          }, refreshDelay(this.media(), !!update));\n        }\n\n        this.trigger('loadedplaylist');\n      }\n      /**\n       * Abort any outstanding work and clean up.\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.finalRenditionTimeout);\n        this.off();\n      }\n    }, {\n      key: 'stopRequest',\n      value: function stopRequest() {\n        if (this.request) {\n          var oldRequest = this.request;\n          this.request = null;\n          oldRequest.onreadystatechange = null;\n          oldRequest.abort();\n        }\n      }\n      /**\n       * When called without any arguments, returns the currently\n       * active media playlist. When called with a single argument,\n       * triggers the playlist loader to asynchronously switch to the\n       * specified media playlist. Calling this method while the\n       * loader is in the HAVE_NOTHING causes an error to be emitted\n       * but otherwise has no effect.\n       *\n       * @param {Object=} playlist the parsed media playlist\n       * object to switch to\n       * @param {Boolean=} is this the last available playlist\n       *\n       * @return {Playlist} the current loaded media\n       */\n\n    }, {\n      key: 'media',\n      value: function media(playlist, isFinalRendition) {\n        var _this3 = this; // getter\n\n\n        if (!playlist) {\n          return this.media_;\n        } // setter\n\n\n        if (this.state === 'HAVE_NOTHING') {\n          throw new Error('Cannot switch media playlist from ' + this.state);\n        } // find the playlist object if the target playlist has been\n        // specified by URI\n\n\n        if (typeof playlist === 'string') {\n          if (!this.master.playlists[playlist]) {\n            throw new Error('Unknown playlist URI: ' + playlist);\n          }\n\n          playlist = this.master.playlists[playlist];\n        }\n\n        window$3.clearTimeout(this.finalRenditionTimeout);\n\n        if (isFinalRendition) {\n          var delay = playlist.targetDuration / 2 * 1000 || 5 * 1000;\n          this.finalRenditionTimeout = window$3.setTimeout(this.media.bind(this, playlist, false), delay);\n          return;\n        }\n\n        var startingState = this.state;\n        var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to fully loaded playlists immediately\n\n        if (this.master.playlists[playlist.id].endList) {\n          // abort outstanding playlist requests\n          if (this.request) {\n            this.request.onreadystatechange = null;\n            this.request.abort();\n            this.request = null;\n          }\n\n          this.state = 'HAVE_METADATA';\n          this.media_ = playlist; // trigger media change if the active media has been updated\n\n          if (mediaChange) {\n            this.trigger('mediachanging');\n            this.trigger('mediachange');\n          }\n\n          return;\n        } // switching to the active playlist is a no-op\n\n\n        if (!mediaChange) {\n          return;\n        }\n\n        this.state = 'SWITCHING_MEDIA'; // there is already an outstanding playlist request\n\n        if (this.request) {\n          if (playlist.resolvedUri === this.request.url) {\n            // requesting to switch to the same playlist multiple times\n            // has no effect after the first\n            return;\n          }\n\n          this.request.onreadystatechange = null;\n          this.request.abort();\n          this.request = null;\n        } // request the new playlist\n\n\n        if (this.media_) {\n          this.trigger('mediachanging');\n        }\n\n        this.request = this.hls_.xhr({\n          uri: playlist.resolvedUri,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this3.request) {\n            return;\n          }\n\n          playlist.resolvedUri = resolveManifestRedirect(_this3.handleManifestRedirects, playlist.resolvedUri, req);\n\n          if (error) {\n            return _this3.playlistRequestError(_this3.request, playlist, startingState);\n          }\n\n          _this3.haveMetadata(req, playlist.uri, playlist.id); // fire loadedmetadata the first time a media playlist is loaded\n\n\n          if (startingState === 'HAVE_MASTER') {\n            _this3.trigger('loadedmetadata');\n          } else {\n            _this3.trigger('mediachange');\n          }\n        });\n      }\n      /**\n       * pause loading of the playlist\n       */\n\n    }, {\n      key: 'pause',\n      value: function pause() {\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n\n        if (this.state === 'HAVE_NOTHING') {\n          // If we pause the loader before any data has been retrieved, its as if we never\n          // started, so reset to an unstarted state.\n          this.started = false;\n        } // Need to restore state now that no activity is happening\n\n\n        if (this.state === 'SWITCHING_MEDIA') {\n          // if the loader was in the process of switching media, it should either return to\n          // HAVE_MASTER or HAVE_METADATA depending on if the loader has loaded a media\n          // playlist yet. This is determined by the existence of loader.media_\n          if (this.media_) {\n            this.state = 'HAVE_METADATA';\n          } else {\n            this.state = 'HAVE_MASTER';\n          }\n        } else if (this.state === 'HAVE_CURRENT_METADATA') {\n          this.state = 'HAVE_METADATA';\n        }\n      }\n      /**\n       * start loading of the playlist\n       */\n\n    }, {\n      key: 'load',\n      value: function load(isFinalRendition) {\n        var _this4 = this;\n\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        var media = this.media();\n\n        if (isFinalRendition) {\n          var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            return _this4.load();\n          }, delay);\n          return;\n        }\n\n        if (!this.started) {\n          this.start();\n          return;\n        }\n\n        if (media && !media.endList) {\n          this.trigger('mediaupdatetimeout');\n        } else {\n          this.trigger('loadedplaylist');\n        }\n      }\n      /**\n       * start loading of the playlist\n       */\n\n    }, {\n      key: 'start',\n      value: function start() {\n        var _this5 = this;\n\n        this.started = true; // request the specified URL\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this5.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this5.request = null;\n\n          if (error) {\n            _this5.error = {\n              status: req.status,\n              message: 'HLS playlist request error at URL: ' + _this5.srcUrl + '.',\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this5.state === 'HAVE_NOTHING') {\n              _this5.started = false;\n            }\n\n            return _this5.trigger('error');\n          }\n\n          var parser = new Parser(); // adding custom tag parsers\n\n          _this5.customTagParsers.forEach(function (customParser) {\n            return parser.addParser(customParser);\n          }); // adding custom tag mappers\n\n\n          _this5.customTagMappers.forEach(function (mapper) {\n            return parser.addTagMapper(mapper);\n          });\n\n          parser.push(req.responseText);\n          parser.end();\n          _this5.state = 'HAVE_MASTER';\n          _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);\n          parser.manifest.uri = _this5.srcUrl; // loaded a master playlist\n\n          if (parser.manifest.playlists) {\n            _this5.master = parser.manifest;\n            setupMediaPlaylists(_this5.master);\n            resolveMediaGroupUris(_this5.master);\n\n            _this5.trigger('loadedplaylist');\n\n            if (!_this5.request) {\n              // no media playlist was specifically selected so start\n              // from the first listed one\n              _this5.media(parser.manifest.playlists[0]);\n            }\n\n            return;\n          }\n\n          var id = createPlaylistID(0, _this5.srcUrl); // loaded a media playlist\n          // infer a master playlist if none was previously requested\n\n          _this5.master = {\n            mediaGroups: {\n              'AUDIO': {},\n              'VIDEO': {},\n              'CLOSED-CAPTIONS': {},\n              'SUBTITLES': {}\n            },\n            uri: window$3.location.href,\n            playlists: [{\n              uri: _this5.srcUrl,\n              id: id,\n              resolvedUri: _this5.srcUrl,\n              // m3u8-parser does not attach an attributes property to media playlists so make\n              // sure that the property is attached to avoid undefined reference errors\n              attributes: {}\n            }]\n          };\n          _this5.master.playlists[id] = _this5.master.playlists[0]; // URI reference added for backwards compatibility\n\n          _this5.master.playlists[_this5.srcUrl] = _this5.master.playlists[0];\n\n          _this5.haveMetadata(req, _this5.srcUrl, id);\n\n          return _this5.trigger('loadedmetadata');\n        });\n      }\n    }]);\n    return PlaylistLoader;\n  }(EventTarget$1);\n  /**\n   * @file playlist.js\n   *\n   * Playlist related utilities.\n   */\n\n\n  var createTimeRange = videojs$1.createTimeRange;\n  /**\n   * walk backward until we find a duration we can use\n   * or return a failure\n   *\n   * @param {Playlist} playlist the playlist to walk through\n   * @param {Number} endSequence the mediaSequence to stop walking on\n   */\n\n  var backwardDuration = function backwardDuration(playlist, endSequence) {\n    var result = 0;\n    var i = endSequence - playlist.mediaSequence; // if a start time is available for segment immediately following\n    // the interval, use it\n\n    var segment = playlist.segments[i]; // Walk backward until we find the latest segment with timeline\n    // information that is earlier than endSequence\n\n    if (segment) {\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: segment.start,\n          precise: true\n        };\n      }\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: segment.end - segment.duration,\n          precise: true\n        };\n      }\n    }\n\n    while (i--) {\n      segment = playlist.segments[i];\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: result + segment.end,\n          precise: true\n        };\n      }\n\n      result += segment.duration;\n\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: result + segment.start,\n          precise: true\n        };\n      }\n    }\n\n    return {\n      result: result,\n      precise: false\n    };\n  };\n  /**\n   * walk forward until we find a duration we can use\n   * or return a failure\n   *\n   * @param {Playlist} playlist the playlist to walk through\n   * @param {Number} endSequence the mediaSequence to stop walking on\n   */\n\n\n  var forwardDuration = function forwardDuration(playlist, endSequence) {\n    var result = 0;\n    var segment = void 0;\n    var i = endSequence - playlist.mediaSequence; // Walk forward until we find the earliest segment with timeline\n    // information\n\n    for (; i < playlist.segments.length; i++) {\n      segment = playlist.segments[i];\n\n      if (typeof segment.start !== 'undefined') {\n        return {\n          result: segment.start - result,\n          precise: true\n        };\n      }\n\n      result += segment.duration;\n\n      if (typeof segment.end !== 'undefined') {\n        return {\n          result: segment.end - result,\n          precise: true\n        };\n      }\n    } // indicate we didn't find a useful duration estimate\n\n\n    return {\n      result: -1,\n      precise: false\n    };\n  };\n  /**\n    * Calculate the media duration from the segments associated with a\n    * playlist. The duration of a subinterval of the available segments\n    * may be calculated by specifying an end index.\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number=} endSequence an exclusive upper boundary\n    * for the playlist.  Defaults to playlist length.\n    * @param {Number} expired the amount of time that has dropped\n    * off the front of the playlist in a live scenario\n    * @return {Number} the duration between the first available segment\n    * and end index.\n    */\n\n\n  var intervalDuration = function intervalDuration(playlist, endSequence, expired) {\n    var backward = void 0;\n    var forward = void 0;\n\n    if (typeof endSequence === 'undefined') {\n      endSequence = playlist.mediaSequence + playlist.segments.length;\n    }\n\n    if (endSequence < playlist.mediaSequence) {\n      return 0;\n    } // do a backward walk to estimate the duration\n\n\n    backward = backwardDuration(playlist, endSequence);\n\n    if (backward.precise) {\n      // if we were able to base our duration estimate on timing\n      // information provided directly from the Media Source, return\n      // it\n      return backward.result;\n    } // walk forward to see if a precise duration estimate can be made\n    // that way\n\n\n    forward = forwardDuration(playlist, endSequence);\n\n    if (forward.precise) {\n      // we found a segment that has been buffered and so it's\n      // position is known precisely\n      return forward.result;\n    } // return the less-precise, playlist-based duration estimate\n\n\n    return backward.result + expired;\n  };\n  /**\n    * Calculates the duration of a playlist. If a start and end index\n    * are specified, the duration will be for the subset of the media\n    * timeline between those two indices. The total duration for live\n    * playlists is always Infinity.\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number=} endSequence an exclusive upper\n    * boundary for the playlist. Defaults to the playlist media\n    * sequence number plus its length.\n    * @param {Number=} expired the amount of time that has\n    * dropped off the front of the playlist in a live scenario\n    * @return {Number} the duration between the start index and end\n    * index.\n    */\n\n\n  var duration = function duration(playlist, endSequence, expired) {\n    if (!playlist) {\n      return 0;\n    }\n\n    if (typeof expired !== 'number') {\n      expired = 0;\n    } // if a slice of the total duration is not requested, use\n    // playlist-level duration indicators when they're present\n\n\n    if (typeof endSequence === 'undefined') {\n      // if present, use the duration specified in the playlist\n      if (playlist.totalDuration) {\n        return playlist.totalDuration;\n      } // duration should be Infinity for live playlists\n\n\n      if (!playlist.endList) {\n        return window$3.Infinity;\n      }\n    } // calculate the total duration based on the segment durations\n\n\n    return intervalDuration(playlist, endSequence, expired);\n  };\n  /**\n    * Calculate the time between two indexes in the current playlist\n    * neight the start- nor the end-index need to be within the current\n    * playlist in which case, the targetDuration of the playlist is used\n    * to approximate the durations of the segments\n    *\n    * @param {Object} playlist a media playlist object\n    * @param {Number} startIndex\n    * @param {Number} endIndex\n    * @return {Number} the number of seconds between startIndex and endIndex\n    */\n\n\n  var sumDurations = function sumDurations(playlist, startIndex, endIndex) {\n    var durations = 0;\n\n    if (startIndex > endIndex) {\n      var _ref = [endIndex, startIndex];\n      startIndex = _ref[0];\n      endIndex = _ref[1];\n    }\n\n    if (startIndex < 0) {\n      for (var i = startIndex; i < Math.min(0, endIndex); i++) {\n        durations += playlist.targetDuration;\n      }\n\n      startIndex = 0;\n    }\n\n    for (var _i = startIndex; _i < endIndex; _i++) {\n      durations += playlist.segments[_i].duration;\n    }\n\n    return durations;\n  };\n  /**\n   * Determines the media index of the segment corresponding to the safe edge of the live\n   * window which is the duration of the last segment plus 2 target durations from the end\n   * of the playlist.\n   *\n   * A liveEdgePadding can be provided which will be used instead of calculating the safe live edge.\n   * This corresponds to suggestedPresentationDelay in DASH manifests.\n   *\n   * @param {Object} playlist\n   *        a media playlist object\n   * @param {Number} [liveEdgePadding]\n   *        A number in seconds indicating how far from the end we want to be.\n   *        If provided, this value is used instead of calculating the safe live index from the target durations.\n   *        Corresponds to suggestedPresentationDelay in DASH manifests.\n   * @return {Number}\n   *         The media index of the segment at the safe live point. 0 if there is no \"safe\"\n   *         point.\n   * @function safeLiveIndex\n   */\n\n\n  var safeLiveIndex = function safeLiveIndex(playlist, liveEdgePadding) {\n    if (!playlist.segments.length) {\n      return 0;\n    }\n\n    var i = playlist.segments.length;\n    var lastSegmentDuration = playlist.segments[i - 1].duration || playlist.targetDuration;\n    var safeDistance = typeof liveEdgePadding === 'number' ? liveEdgePadding : lastSegmentDuration + playlist.targetDuration * 2;\n\n    if (safeDistance === 0) {\n      return i;\n    }\n\n    var distanceFromEnd = 0;\n\n    while (i--) {\n      distanceFromEnd += playlist.segments[i].duration;\n\n      if (distanceFromEnd >= safeDistance) {\n        break;\n      }\n    }\n\n    return Math.max(0, i);\n  };\n  /**\n   * Calculates the playlist end time\n   *\n   * @param {Object} playlist a media playlist object\n   * @param {Number=} expired the amount of time that has\n   *                  dropped off the front of the playlist in a live scenario\n   * @param {Boolean|false} useSafeLiveEnd a boolean value indicating whether or not the\n   *                        playlist end calculation should consider the safe live end\n   *                        (truncate the playlist end by three segments). This is normally\n   *                        used for calculating the end of the playlist's seekable range.\n   *                        This takes into account the value of liveEdgePadding.\n   *                        Setting liveEdgePadding to 0 is equivalent to setting this to false.\n   * @param {Number} liveEdgePadding a number indicating how far from the end of the playlist we should be in seconds.\n   *                 If this is provided, it is used in the safe live end calculation.\n   *                 Setting useSafeLiveEnd=false or liveEdgePadding=0 are equivalent.\n   *                 Corresponds to suggestedPresentationDelay in DASH manifests.\n   * @returns {Number} the end time of playlist\n   * @function playlistEnd\n   */\n\n\n  var playlistEnd = function playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding) {\n    if (!playlist || !playlist.segments) {\n      return null;\n    }\n\n    if (playlist.endList) {\n      return duration(playlist);\n    }\n\n    if (expired === null) {\n      return null;\n    }\n\n    expired = expired || 0;\n    var endSequence = useSafeLiveEnd ? safeLiveIndex(playlist, liveEdgePadding) : playlist.segments.length;\n    return intervalDuration(playlist, playlist.mediaSequence + endSequence, expired);\n  };\n  /**\n    * Calculates the interval of time that is currently seekable in a\n    * playlist. The returned time ranges are relative to the earliest\n    * moment in the specified playlist that is still available. A full\n    * seekable implementation for live streams would need to offset\n    * these values by the duration of content that has expired from the\n    * stream.\n    *\n    * @param {Object} playlist a media playlist object\n    * dropped off the front of the playlist in a live scenario\n    * @param {Number=} expired the amount of time that has\n    * dropped off the front of the playlist in a live scenario\n    * @param {Number} liveEdgePadding how far from the end of the playlist we should be in seconds.\n    *        Corresponds to suggestedPresentationDelay in DASH manifests.\n    * @return {TimeRanges} the periods of time that are valid targets\n    * for seeking\n    */\n\n\n  var seekable = function seekable(playlist, expired, liveEdgePadding) {\n    var useSafeLiveEnd = true;\n    var seekableStart = expired || 0;\n    var seekableEnd = playlistEnd(playlist, expired, useSafeLiveEnd, liveEdgePadding);\n\n    if (seekableEnd === null) {\n      return createTimeRange();\n    }\n\n    return createTimeRange(seekableStart, seekableEnd);\n  };\n\n  var isWholeNumber = function isWholeNumber(num) {\n    return num - Math.floor(num) === 0;\n  };\n\n  var roundSignificantDigit = function roundSignificantDigit(increment, num) {\n    // If we have a whole number, just add 1 to it\n    if (isWholeNumber(num)) {\n      return num + increment * 0.1;\n    }\n\n    var numDecimalDigits = num.toString().split('.')[1].length;\n\n    for (var i = 1; i <= numDecimalDigits; i++) {\n      var scale = Math.pow(10, i);\n      var temp = num * scale;\n\n      if (isWholeNumber(temp) || i === numDecimalDigits) {\n        return (temp + increment) / scale;\n      }\n    }\n  };\n\n  var ceilLeastSignificantDigit = roundSignificantDigit.bind(null, 1);\n  var floorLeastSignificantDigit = roundSignificantDigit.bind(null, -1);\n  /**\n   * Determine the index and estimated starting time of the segment that\n   * contains a specified playback position in a media playlist.\n   *\n   * @param {Object} playlist the media playlist to query\n   * @param {Number} currentTime The number of seconds since the earliest\n   * possible position to determine the containing segment for\n   * @param {Number} startIndex\n   * @param {Number} startTime\n   * @return {Object}\n   */\n\n  var getMediaInfoForTime = function getMediaInfoForTime(playlist, currentTime, startIndex, startTime) {\n    var i = void 0;\n    var segment = void 0;\n    var numSegments = playlist.segments.length;\n    var time = currentTime - startTime;\n\n    if (time < 0) {\n      // Walk backward from startIndex in the playlist, adding durations\n      // until we find a segment that contains `time` and return it\n      if (startIndex > 0) {\n        for (i = startIndex - 1; i >= 0; i--) {\n          segment = playlist.segments[i];\n          time += floorLeastSignificantDigit(segment.duration);\n\n          if (time > 0) {\n            return {\n              mediaIndex: i,\n              startTime: startTime - sumDurations(playlist, startIndex, i)\n            };\n          }\n        }\n      } // We were unable to find a good segment within the playlist\n      // so select the first segment\n\n\n      return {\n        mediaIndex: 0,\n        startTime: currentTime\n      };\n    } // When startIndex is negative, we first walk forward to first segment\n    // adding target durations. If we \"run out of time\" before getting to\n    // the first segment, return the first segment\n\n\n    if (startIndex < 0) {\n      for (i = startIndex; i < 0; i++) {\n        time -= playlist.targetDuration;\n\n        if (time < 0) {\n          return {\n            mediaIndex: 0,\n            startTime: currentTime\n          };\n        }\n      }\n\n      startIndex = 0;\n    } // Walk forward from startIndex in the playlist, subtracting durations\n    // until we find a segment that contains `time` and return it\n\n\n    for (i = startIndex; i < numSegments; i++) {\n      segment = playlist.segments[i];\n      time -= ceilLeastSignificantDigit(segment.duration);\n\n      if (time < 0) {\n        return {\n          mediaIndex: i,\n          startTime: startTime + sumDurations(playlist, startIndex, i)\n        };\n      }\n    } // We are out of possible candidates so load the last one...\n\n\n    return {\n      mediaIndex: numSegments - 1,\n      startTime: currentTime\n    };\n  };\n  /**\n   * Check whether the playlist is blacklisted or not.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is blacklisted or not\n   * @function isBlacklisted\n   */\n\n\n  var isBlacklisted = function isBlacklisted(playlist) {\n    return playlist.excludeUntil && playlist.excludeUntil > Date.now();\n  };\n  /**\n   * Check whether the playlist is compatible with current playback configuration or has\n   * been blacklisted permanently for being incompatible.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is incompatible or not\n   * @function isIncompatible\n   */\n\n\n  var isIncompatible = function isIncompatible(playlist) {\n    return playlist.excludeUntil && playlist.excludeUntil === Infinity;\n  };\n  /**\n   * Check whether the playlist is enabled or not.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is enabled or not\n   * @function isEnabled\n   */\n\n\n  var isEnabled = function isEnabled(playlist) {\n    var blacklisted = isBlacklisted(playlist);\n    return !playlist.disabled && !blacklisted;\n  };\n  /**\n   * Check whether the playlist has been manually disabled through the representations api.\n   *\n   * @param {Object} playlist the media playlist object\n   * @return {boolean} whether the playlist is disabled manually or not\n   * @function isDisabled\n   */\n\n\n  var isDisabled = function isDisabled(playlist) {\n    return playlist.disabled;\n  };\n  /**\n   * Returns whether the current playlist is an AES encrypted HLS stream\n   *\n   * @return {Boolean} true if it's an AES encrypted HLS stream\n   */\n\n\n  var isAes = function isAes(media) {\n    for (var i = 0; i < media.segments.length; i++) {\n      if (media.segments[i].key) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n  /**\n   * Returns whether the current playlist contains fMP4\n   *\n   * @return {Boolean} true if the playlist contains fMP4\n   */\n\n\n  var isFmp4 = function isFmp4(media) {\n    for (var i = 0; i < media.segments.length; i++) {\n      if (media.segments[i].map) {\n        return true;\n      }\n    }\n\n    return false;\n  };\n  /**\n   * Checks if the playlist has a value for the specified attribute\n   *\n   * @param {String} attr\n   *        Attribute to check for\n   * @param {Object} playlist\n   *        The media playlist object\n   * @return {Boolean}\n   *         Whether the playlist contains a value for the attribute or not\n   * @function hasAttribute\n   */\n\n\n  var hasAttribute = function hasAttribute(attr, playlist) {\n    return playlist.attributes && playlist.attributes[attr];\n  };\n  /**\n   * Estimates the time required to complete a segment download from the specified playlist\n   *\n   * @param {Number} segmentDuration\n   *        Duration of requested segment\n   * @param {Number} bandwidth\n   *        Current measured bandwidth of the player\n   * @param {Object} playlist\n   *        The media playlist object\n   * @param {Number=} bytesReceived\n   *        Number of bytes already received for the request. Defaults to 0\n   * @return {Number|NaN}\n   *         The estimated time to request the segment. NaN if bandwidth information for\n   *         the given playlist is unavailable\n   * @function estimateSegmentRequestTime\n   */\n\n\n  var estimateSegmentRequestTime = function estimateSegmentRequestTime(segmentDuration, bandwidth, playlist) {\n    var bytesReceived = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;\n\n    if (!hasAttribute('BANDWIDTH', playlist)) {\n      return NaN;\n    }\n\n    var size = segmentDuration * playlist.attributes.BANDWIDTH;\n    return (size - bytesReceived * 8) / bandwidth;\n  };\n  /*\n   * Returns whether the current playlist is the lowest rendition\n   *\n   * @return {Boolean} true if on lowest rendition\n   */\n\n\n  var isLowestEnabledRendition = function isLowestEnabledRendition(master, media) {\n    if (master.playlists.length === 1) {\n      return true;\n    }\n\n    var currentBandwidth = media.attributes.BANDWIDTH || Number.MAX_VALUE;\n    return master.playlists.filter(function (playlist) {\n      if (!isEnabled(playlist)) {\n        return false;\n      }\n\n      return (playlist.attributes.BANDWIDTH || 0) < currentBandwidth;\n    }).length === 0;\n  }; // exports\n\n\n  var Playlist = {\n    duration: duration,\n    seekable: seekable,\n    safeLiveIndex: safeLiveIndex,\n    getMediaInfoForTime: getMediaInfoForTime,\n    isEnabled: isEnabled,\n    isDisabled: isDisabled,\n    isBlacklisted: isBlacklisted,\n    isIncompatible: isIncompatible,\n    playlistEnd: playlistEnd,\n    isAes: isAes,\n    isFmp4: isFmp4,\n    hasAttribute: hasAttribute,\n    estimateSegmentRequestTime: estimateSegmentRequestTime,\n    isLowestEnabledRendition: isLowestEnabledRendition\n  };\n  /**\n   * @file xhr.js\n   */\n\n  var videojsXHR = videojs$1.xhr,\n      mergeOptions$1$1 = videojs$1.mergeOptions;\n\n  var xhrFactory = function xhrFactory() {\n    var xhr = function XhrFunction(options, callback) {\n      // Add a default timeout for all hls requests\n      options = mergeOptions$1$1({\n        timeout: 45e3\n      }, options); // Allow an optional user-specified function to modify the option\n      // object before we construct the xhr request\n\n      var beforeRequest = XhrFunction.beforeRequest || videojs$1.Hls.xhr.beforeRequest;\n\n      if (beforeRequest && typeof beforeRequest === 'function') {\n        var newOptions = beforeRequest(options);\n\n        if (newOptions) {\n          options = newOptions;\n        }\n      }\n\n      var request = videojsXHR(options, function (error, response) {\n        var reqResponse = request.response;\n\n        if (!error && reqResponse) {\n          request.responseTime = Date.now();\n          request.roundTripTime = request.responseTime - request.requestTime;\n          request.bytesReceived = reqResponse.byteLength || reqResponse.length;\n\n          if (!request.bandwidth) {\n            request.bandwidth = Math.floor(request.bytesReceived / request.roundTripTime * 8 * 1000);\n          }\n        }\n\n        if (response.headers) {\n          request.responseHeaders = response.headers;\n        } // videojs.xhr now uses a specific code on the error\n        // object to signal that a request has timed out instead\n        // of setting a boolean on the request object\n\n\n        if (error && error.code === 'ETIMEDOUT') {\n          request.timedout = true;\n        } // videojs.xhr no longer considers status codes outside of 200 and 0\n        // (for file uris) to be errors, but the old XHR did, so emulate that\n        // behavior. Status 206 may be used in response to byterange requests.\n\n\n        if (!error && !request.aborted && response.statusCode !== 200 && response.statusCode !== 206 && response.statusCode !== 0) {\n          error = new Error('XHR Failed with a response of: ' + (request && (reqResponse || request.responseText)));\n        }\n\n        callback(error, request);\n      });\n      var originalAbort = request.abort;\n\n      request.abort = function () {\n        request.aborted = true;\n        return originalAbort.apply(request, arguments);\n      };\n\n      request.uri = options.uri;\n      request.requestTime = Date.now();\n      return request;\n    };\n\n    return xhr;\n  };\n  /**\n   * Turns segment byterange into a string suitable for use in\n   * HTTP Range requests\n   *\n   * @param {Object} byterange - an object with two values defining the start and end\n   *                             of a byte-range\n   */\n\n\n  var byterangeStr = function byterangeStr(byterange) {\n    var byterangeStart = void 0;\n    var byterangeEnd = void 0; // `byterangeEnd` is one less than `offset + length` because the HTTP range\n    // header uses inclusive ranges\n\n    byterangeEnd = byterange.offset + byterange.length - 1;\n    byterangeStart = byterange.offset;\n    return 'bytes=' + byterangeStart + '-' + byterangeEnd;\n  };\n  /**\n   * Defines headers for use in the xhr request for a particular segment.\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   */\n\n\n  var segmentXhrHeaders = function segmentXhrHeaders(segment) {\n    var headers = {};\n\n    if (segment.byterange) {\n      headers.Range = byterangeStr(segment.byterange);\n    }\n\n    return headers;\n  };\n  /**\n   * @file bin-utils.js\n   */\n\n  /**\n   * convert a TimeRange to text\n   *\n   * @param {TimeRange} range the timerange to use for conversion\n   * @param {Number} i the iterator on the range to convert\n   */\n\n\n  var textRange = function textRange(range, i) {\n    return range.start(i) + '-' + range.end(i);\n  };\n  /**\n   * format a number as hex string\n   *\n   * @param {Number} e The number\n   * @param {Number} i the iterator\n   */\n\n\n  var formatHexString = function formatHexString(e, i) {\n    var value = e.toString(16);\n    return '00'.substring(0, 2 - value.length) + value + (i % 2 ? ' ' : '');\n  };\n\n  var formatAsciiString = function formatAsciiString(e) {\n    if (e >= 0x20 && e < 0x7e) {\n      return String.fromCharCode(e);\n    }\n\n    return '.';\n  };\n  /**\n   * Creates an object for sending to a web worker modifying properties that are TypedArrays\n   * into a new object with seperated properties for the buffer, byteOffset, and byteLength.\n   *\n   * @param {Object} message\n   *        Object of properties and values to send to the web worker\n   * @return {Object}\n   *         Modified message with TypedArray values expanded\n   * @function createTransferableMessage\n   */\n\n\n  var createTransferableMessage = function createTransferableMessage(message) {\n    var transferable = {};\n    Object.keys(message).forEach(function (key) {\n      var value = message[key];\n\n      if (ArrayBuffer.isView(value)) {\n        transferable[key] = {\n          bytes: value.buffer,\n          byteOffset: value.byteOffset,\n          byteLength: value.byteLength\n        };\n      } else {\n        transferable[key] = value;\n      }\n    });\n    return transferable;\n  };\n  /**\n   * Returns a unique string identifier for a media initialization\n   * segment.\n   */\n\n\n  var initSegmentId = function initSegmentId(initSegment) {\n    var byterange = initSegment.byterange || {\n      length: Infinity,\n      offset: 0\n    };\n    return [byterange.length, byterange.offset, initSegment.resolvedUri].join(',');\n  };\n  /**\n   * Returns a unique string identifier for a media segment key.\n   */\n\n\n  var segmentKeyId = function segmentKeyId(key) {\n    return key.resolvedUri;\n  };\n  /**\n   * utils to help dump binary data to the console\n   */\n\n\n  var hexDump = function hexDump(data) {\n    var bytes = Array.prototype.slice.call(data);\n    var step = 16;\n    var result = '';\n    var hex = void 0;\n    var ascii = void 0;\n\n    for (var j = 0; j < bytes.length / step; j++) {\n      hex = bytes.slice(j * step, j * step + step).map(formatHexString).join('');\n      ascii = bytes.slice(j * step, j * step + step).map(formatAsciiString).join('');\n      result += hex + ' ' + ascii + '\\n';\n    }\n\n    return result;\n  };\n\n  var tagDump = function tagDump(_ref) {\n    var bytes = _ref.bytes;\n    return hexDump(bytes);\n  };\n\n  var textRanges = function textRanges(ranges) {\n    var result = '';\n    var i = void 0;\n\n    for (i = 0; i < ranges.length; i++) {\n      result += textRange(ranges, i) + ' ';\n    }\n\n    return result;\n  };\n\n  var utils$1 = /*#__PURE__*/Object.freeze({\n    createTransferableMessage: createTransferableMessage,\n    initSegmentId: initSegmentId,\n    segmentKeyId: segmentKeyId,\n    hexDump: hexDump,\n    tagDump: tagDump,\n    textRanges: textRanges\n  }); // TODO handle fmp4 case where the timing info is accurate and doesn't involve transmux\n  // Add 25% to the segment duration to account for small discrepencies in segment timing.\n  // 25% was arbitrarily chosen, and may need to be refined over time.\n\n  var SEGMENT_END_FUDGE_PERCENT = 0.25;\n  /**\n   * Converts a player time (any time that can be gotten/set from player.currentTime(),\n   * e.g., any time within player.seekable().start(0) to player.seekable().end(0)) to a\n   * program time (any time referencing the real world (e.g., EXT-X-PROGRAM-DATE-TIME)).\n   *\n   * The containing segment is required as the EXT-X-PROGRAM-DATE-TIME serves as an \"anchor\n   * point\" (a point where we have a mapping from program time to player time, with player\n   * time being the post transmux start of the segment).\n   *\n   * For more details, see [this doc](../../docs/program-time-from-player-time.md).\n   *\n   * @param {Number} playerTime the player time\n   * @param {Object} segment the segment which contains the player time\n   * @return {Date} program time\n   */\n\n  var playerTimeToProgramTime = function playerTimeToProgramTime(playerTime, segment) {\n    if (!segment.dateTimeObject) {\n      // Can't convert without an \"anchor point\" for the program time (i.e., a time that can\n      // be used to map the start of a segment with a real world time).\n      return null;\n    }\n\n    var transmuxerPrependedSeconds = segment.videoTimingInfo.transmuxerPrependedSeconds;\n    var transmuxedStart = segment.videoTimingInfo.transmuxedPresentationStart; // get the start of the content from before old content is prepended\n\n    var startOfSegment = transmuxedStart + transmuxerPrependedSeconds;\n    var offsetFromSegmentStart = playerTime - startOfSegment;\n    return new Date(segment.dateTimeObject.getTime() + offsetFromSegmentStart * 1000);\n  };\n\n  var originalSegmentVideoDuration = function originalSegmentVideoDuration(videoTimingInfo) {\n    return videoTimingInfo.transmuxedPresentationEnd - videoTimingInfo.transmuxedPresentationStart - videoTimingInfo.transmuxerPrependedSeconds;\n  };\n  /**\n   * Finds a segment that contains the time requested given as an ISO-8601 string. The\n   * returned segment might be an estimate or an accurate match.\n   *\n   * @param {String} programTime The ISO-8601 programTime to find a match for\n   * @param {Object} playlist A playlist object to search within\n   */\n\n\n  var findSegmentForProgramTime = function findSegmentForProgramTime(programTime, playlist) {\n    // Assumptions:\n    //  - verifyProgramDateTimeTags has already been run\n    //  - live streams have been started\n    var dateTimeObject = void 0;\n\n    try {\n      dateTimeObject = new Date(programTime);\n    } catch (e) {\n      return null;\n    }\n\n    if (!playlist || !playlist.segments || playlist.segments.length === 0) {\n      return null;\n    }\n\n    var segment = playlist.segments[0];\n\n    if (dateTimeObject < segment.dateTimeObject) {\n      // Requested time is before stream start.\n      return null;\n    }\n\n    for (var i = 0; i < playlist.segments.length - 1; i++) {\n      segment = playlist.segments[i];\n      var nextSegmentStart = playlist.segments[i + 1].dateTimeObject;\n\n      if (dateTimeObject < nextSegmentStart) {\n        break;\n      }\n    }\n\n    var lastSegment = playlist.segments[playlist.segments.length - 1];\n    var lastSegmentStart = lastSegment.dateTimeObject;\n    var lastSegmentDuration = lastSegment.videoTimingInfo ? originalSegmentVideoDuration(lastSegment.videoTimingInfo) : lastSegment.duration + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT;\n    var lastSegmentEnd = new Date(lastSegmentStart.getTime() + lastSegmentDuration * 1000);\n\n    if (dateTimeObject > lastSegmentEnd) {\n      // Beyond the end of the stream, or our best guess of the end of the stream.\n      return null;\n    }\n\n    if (dateTimeObject > lastSegmentStart) {\n      segment = lastSegment;\n    }\n\n    return {\n      segment: segment,\n      estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : Playlist.duration(playlist, playlist.mediaSequence + playlist.segments.indexOf(segment)),\n      // Although, given that all segments have accurate date time objects, the segment\n      // selected should be accurate, unless the video has been transmuxed at some point\n      // (determined by the presence of the videoTimingInfo object), the segment's \"player\n      // time\" (the start time in the player) can't be considered accurate.\n      type: segment.videoTimingInfo ? 'accurate' : 'estimate'\n    };\n  };\n  /**\n   * Finds a segment that contains the given player time(in seconds).\n   *\n   * @param {Number} time The player time to find a match for\n   * @param {Object} playlist A playlist object to search within\n   */\n\n\n  var findSegmentForPlayerTime = function findSegmentForPlayerTime(time, playlist) {\n    // Assumptions:\n    // - there will always be a segment.duration\n    // - we can start from zero\n    // - segments are in time order\n    if (!playlist || !playlist.segments || playlist.segments.length === 0) {\n      return null;\n    }\n\n    var segmentEnd = 0;\n    var segment = void 0;\n\n    for (var i = 0; i < playlist.segments.length; i++) {\n      segment = playlist.segments[i]; // videoTimingInfo is set after the segment is downloaded and transmuxed, and\n      // should contain the most accurate values we have for the segment's player times.\n      //\n      // Use the accurate transmuxedPresentationEnd value if it is available, otherwise fall\n      // back to an estimate based on the manifest derived (inaccurate) segment.duration, to\n      // calculate an end value.\n\n      segmentEnd = segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationEnd : segmentEnd + segment.duration;\n\n      if (time <= segmentEnd) {\n        break;\n      }\n    }\n\n    var lastSegment = playlist.segments[playlist.segments.length - 1];\n\n    if (lastSegment.videoTimingInfo && lastSegment.videoTimingInfo.transmuxedPresentationEnd < time) {\n      // The time requested is beyond the stream end.\n      return null;\n    }\n\n    if (time > segmentEnd) {\n      // The time is within or beyond the last segment.\n      //\n      // Check to see if the time is beyond a reasonable guess of the end of the stream.\n      if (time > segmentEnd + lastSegment.duration * SEGMENT_END_FUDGE_PERCENT) {\n        // Technically, because the duration value is only an estimate, the time may still\n        // exist in the last segment, however, there isn't enough information to make even\n        // a reasonable estimate.\n        return null;\n      }\n\n      segment = lastSegment;\n    }\n\n    return {\n      segment: segment,\n      estimatedStart: segment.videoTimingInfo ? segment.videoTimingInfo.transmuxedPresentationStart : segmentEnd - segment.duration,\n      // Because videoTimingInfo is only set after transmux, it is the only way to get\n      // accurate timing values.\n      type: segment.videoTimingInfo ? 'accurate' : 'estimate'\n    };\n  };\n  /**\n   * Gives the offset of the comparisonTimestamp from the programTime timestamp in seconds.\n   * If the offset returned is positive, the programTime occurs after the\n   * comparisonTimestamp.\n   * If the offset is negative, the programTime occurs before the comparisonTimestamp.\n   *\n   * @param {String} comparisonTimeStamp An ISO-8601 timestamp to compare against\n   * @param {String} programTime The programTime as an ISO-8601 string\n   * @return {Number} offset\n   */\n\n\n  var getOffsetFromTimestamp = function getOffsetFromTimestamp(comparisonTimeStamp, programTime) {\n    var segmentDateTime = void 0;\n    var programDateTime = void 0;\n\n    try {\n      segmentDateTime = new Date(comparisonTimeStamp);\n      programDateTime = new Date(programTime);\n    } catch (e) {// TODO handle error\n    }\n\n    var segmentTimeEpoch = segmentDateTime.getTime();\n    var programTimeEpoch = programDateTime.getTime();\n    return (programTimeEpoch - segmentTimeEpoch) / 1000;\n  };\n  /**\n   * Checks that all segments in this playlist have programDateTime tags.\n   *\n   * @param {Object} playlist A playlist object\n   */\n\n\n  var verifyProgramDateTimeTags = function verifyProgramDateTimeTags(playlist) {\n    if (!playlist.segments || playlist.segments.length === 0) {\n      return false;\n    }\n\n    for (var i = 0; i < playlist.segments.length; i++) {\n      var segment = playlist.segments[i];\n\n      if (!segment.dateTimeObject) {\n        return false;\n      }\n    }\n\n    return true;\n  };\n  /**\n   * Returns the programTime of the media given a playlist and a playerTime.\n   * The playlist must have programDateTime tags for a programDateTime tag to be returned.\n   * If the segments containing the time requested have not been buffered yet, an estimate\n   * may be returned to the callback.\n   *\n   * @param {Object} args\n   * @param {Object} args.playlist A playlist object to search within\n   * @param {Number} time A playerTime in seconds\n   * @param {Function} callback(err, programTime)\n   * @returns {String} err.message A detailed error message\n   * @returns {Object} programTime\n   * @returns {Number} programTime.mediaSeconds The streamTime in seconds\n   * @returns {String} programTime.programDateTime The programTime as an ISO-8601 String\n   */\n\n\n  var getProgramTime = function getProgramTime(_ref) {\n    var playlist = _ref.playlist,\n        _ref$time = _ref.time,\n        time = _ref$time === undefined ? undefined : _ref$time,\n        callback = _ref.callback;\n\n    if (!callback) {\n      throw new Error('getProgramTime: callback must be provided');\n    }\n\n    if (!playlist || time === undefined) {\n      return callback({\n        message: 'getProgramTime: playlist and time must be provided'\n      });\n    }\n\n    var matchedSegment = findSegmentForPlayerTime(time, playlist);\n\n    if (!matchedSegment) {\n      return callback({\n        message: 'valid programTime was not found'\n      });\n    }\n\n    if (matchedSegment.type === 'estimate') {\n      return callback({\n        message: 'Accurate programTime could not be determined.' + ' Please seek to e.seekTime and try again',\n        seekTime: matchedSegment.estimatedStart\n      });\n    }\n\n    var programTimeObject = {\n      mediaSeconds: time\n    };\n    var programTime = playerTimeToProgramTime(time, matchedSegment.segment);\n\n    if (programTime) {\n      programTimeObject.programDateTime = programTime.toISOString();\n    }\n\n    return callback(null, programTimeObject);\n  };\n  /**\n   * Seeks in the player to a time that matches the given programTime ISO-8601 string.\n   *\n   * @param {Object} args\n   * @param {String} args.programTime A programTime to seek to as an ISO-8601 String\n   * @param {Object} args.playlist A playlist to look within\n   * @param {Number} args.retryCount The number of times to try for an accurate seek. Default is 2.\n   * @param {Function} args.seekTo A method to perform a seek\n   * @param {Boolean} args.pauseAfterSeek Whether to end in a paused state after seeking. Default is true.\n   * @param {Object} args.tech The tech to seek on\n   * @param {Function} args.callback(err, newTime) A callback to return the new time to\n   * @returns {String} err.message A detailed error message\n   * @returns {Number} newTime The exact time that was seeked to in seconds\n   */\n\n\n  var seekToProgramTime = function seekToProgramTime(_ref2) {\n    var programTime = _ref2.programTime,\n        playlist = _ref2.playlist,\n        _ref2$retryCount = _ref2.retryCount,\n        retryCount = _ref2$retryCount === undefined ? 2 : _ref2$retryCount,\n        seekTo = _ref2.seekTo,\n        _ref2$pauseAfterSeek = _ref2.pauseAfterSeek,\n        pauseAfterSeek = _ref2$pauseAfterSeek === undefined ? true : _ref2$pauseAfterSeek,\n        tech = _ref2.tech,\n        callback = _ref2.callback;\n\n    if (!callback) {\n      throw new Error('seekToProgramTime: callback must be provided');\n    }\n\n    if (typeof programTime === 'undefined' || !playlist || !seekTo) {\n      return callback({\n        message: 'seekToProgramTime: programTime, seekTo and playlist must be provided'\n      });\n    }\n\n    if (!playlist.endList && !tech.hasStarted_) {\n      return callback({\n        message: 'player must be playing a live stream to start buffering'\n      });\n    }\n\n    if (!verifyProgramDateTimeTags(playlist)) {\n      return callback({\n        message: 'programDateTime tags must be provided in the manifest ' + playlist.resolvedUri\n      });\n    }\n\n    var matchedSegment = findSegmentForProgramTime(programTime, playlist); // no match\n\n    if (!matchedSegment) {\n      return callback({\n        message: programTime + ' was not found in the stream'\n      });\n    }\n\n    var segment = matchedSegment.segment;\n    var mediaOffset = getOffsetFromTimestamp(segment.dateTimeObject, programTime);\n\n    if (matchedSegment.type === 'estimate') {\n      // we've run out of retries\n      if (retryCount === 0) {\n        return callback({\n          message: programTime + ' is not buffered yet. Try again'\n        });\n      }\n\n      seekTo(matchedSegment.estimatedStart + mediaOffset);\n      tech.one('seeked', function () {\n        seekToProgramTime({\n          programTime: programTime,\n          playlist: playlist,\n          retryCount: retryCount - 1,\n          seekTo: seekTo,\n          pauseAfterSeek: pauseAfterSeek,\n          tech: tech,\n          callback: callback\n        });\n      });\n      return;\n    } // Since the segment.start value is determined from the buffered end or ending time\n    // of the prior segment, the seekToTime doesn't need to account for any transmuxer\n    // modifications.\n\n\n    var seekToTime = segment.start + mediaOffset;\n\n    var seekedCallback = function seekedCallback() {\n      return callback(null, tech.currentTime());\n    }; // listen for seeked event\n\n\n    tech.one('seeked', seekedCallback); // pause before seeking as video.js will restore this state\n\n    if (pauseAfterSeek) {\n      tech.pause();\n    }\n\n    seekTo(seekToTime);\n  };\n  /**\n   * ranges\n   *\n   * Utilities for working with TimeRanges.\n   *\n   */\n  // Fudge factor to account for TimeRanges rounding\n\n\n  var TIME_FUDGE_FACTOR = 1 / 30; // Comparisons between time values such as current time and the end of the buffered range\n  // can be misleading because of precision differences or when the current media has poorly\n  // aligned audio and video, which can cause values to be slightly off from what you would\n  // expect. This value is what we consider to be safe to use in such comparisons to account\n  // for these scenarios.\n\n  var SAFE_TIME_DELTA = TIME_FUDGE_FACTOR * 3;\n\n  var filterRanges = function filterRanges(timeRanges, predicate) {\n    var results = [];\n    var i = void 0;\n\n    if (timeRanges && timeRanges.length) {\n      // Search for ranges that match the predicate\n      for (i = 0; i < timeRanges.length; i++) {\n        if (predicate(timeRanges.start(i), timeRanges.end(i))) {\n          results.push([timeRanges.start(i), timeRanges.end(i)]);\n        }\n      }\n    }\n\n    return videojs$1.createTimeRanges(results);\n  };\n  /**\n   * Attempts to find the buffered TimeRange that contains the specified\n   * time.\n   * @param {TimeRanges} buffered - the TimeRanges object to query\n   * @param {number} time  - the time to filter on.\n   * @returns {TimeRanges} a new TimeRanges object\n   */\n\n\n  var findRange = function findRange(buffered, time) {\n    return filterRanges(buffered, function (start, end) {\n      return start - SAFE_TIME_DELTA <= time && end + SAFE_TIME_DELTA >= time;\n    });\n  };\n  /**\n   * Returns the TimeRanges that begin later than the specified time.\n   * @param {TimeRanges} timeRanges - the TimeRanges object to query\n   * @param {number} time - the time to filter on.\n   * @returns {TimeRanges} a new TimeRanges object.\n   */\n\n\n  var findNextRange = function findNextRange(timeRanges, time) {\n    return filterRanges(timeRanges, function (start) {\n      return start - TIME_FUDGE_FACTOR >= time;\n    });\n  };\n  /**\n   * Returns gaps within a list of TimeRanges\n   * @param {TimeRanges} buffered - the TimeRanges object\n   * @return {TimeRanges} a TimeRanges object of gaps\n   */\n\n\n  var findGaps = function findGaps(buffered) {\n    if (buffered.length < 2) {\n      return videojs$1.createTimeRanges();\n    }\n\n    var ranges = [];\n\n    for (var i = 1; i < buffered.length; i++) {\n      var start = buffered.end(i - 1);\n      var end = buffered.start(i);\n      ranges.push([start, end]);\n    }\n\n    return videojs$1.createTimeRanges(ranges);\n  };\n  /**\n   * Gets a human readable string for a TimeRange\n   *\n   * @param {TimeRange} range\n   * @returns {String} a human readable string\n   */\n\n\n  var printableRange = function printableRange(range) {\n    var strArr = [];\n\n    if (!range || !range.length) {\n      return '';\n    }\n\n    for (var i = 0; i < range.length; i++) {\n      strArr.push(range.start(i) + ' => ' + range.end(i));\n    }\n\n    return strArr.join(', ');\n  };\n  /**\n   * Calculates the amount of time left in seconds until the player hits the end of the\n   * buffer and causes a rebuffer\n   *\n   * @param {TimeRange} buffered\n   *        The state of the buffer\n   * @param {Numnber} currentTime\n   *        The current time of the player\n   * @param {Number} playbackRate\n   *        The current playback rate of the player. Defaults to 1.\n   * @return {Number}\n   *         Time until the player has to start rebuffering in seconds.\n   * @function timeUntilRebuffer\n   */\n\n\n  var timeUntilRebuffer = function timeUntilRebuffer(buffered, currentTime) {\n    var playbackRate = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;\n    var bufferedEnd = buffered.length ? buffered.end(buffered.length - 1) : 0;\n    return (bufferedEnd - currentTime) / playbackRate;\n  };\n  /**\n   * Converts a TimeRanges object into an array representation\n   * @param {TimeRanges} timeRanges\n   * @returns {Array}\n   */\n\n\n  var timeRangesToArray = function timeRangesToArray(timeRanges) {\n    var timeRangesList = [];\n\n    for (var i = 0; i < timeRanges.length; i++) {\n      timeRangesList.push({\n        start: timeRanges.start(i),\n        end: timeRanges.end(i)\n      });\n    }\n\n    return timeRangesList;\n  };\n  /**\n   * @file create-text-tracks-if-necessary.js\n   */\n\n  /**\n   * Create text tracks on video.js if they exist on a segment.\n   *\n   * @param {Object} sourceBuffer the VSB or FSB\n   * @param {Object} mediaSource the HTML media source\n   * @param {Object} segment the segment that may contain the text track\n   * @private\n   */\n\n\n  var createTextTracksIfNecessary = function createTextTracksIfNecessary(sourceBuffer, mediaSource, segment) {\n    var player = mediaSource.player_; // create an in-band caption track if one is present in the segment\n\n    if (segment.captions && segment.captions.length) {\n      if (!sourceBuffer.inbandTextTracks_) {\n        sourceBuffer.inbandTextTracks_ = {};\n      }\n\n      for (var trackId in segment.captionStreams) {\n        if (!sourceBuffer.inbandTextTracks_[trackId]) {\n          player.tech_.trigger({\n            type: 'usage',\n            name: 'hls-608'\n          });\n          var track = player.textTracks().getTrackById(trackId);\n\n          if (track) {\n            // Resuse an existing track with a CC# id because this was\n            // very likely created by videojs-contrib-hls from information\n            // in the m3u8 for us to use\n            sourceBuffer.inbandTextTracks_[trackId] = track;\n          } else {\n            // Otherwise, create a track with the default `CC#` label and\n            // without a language\n            sourceBuffer.inbandTextTracks_[trackId] = player.addRemoteTextTrack({\n              kind: 'captions',\n              id: trackId,\n              label: trackId\n            }, false).track;\n          }\n        }\n      }\n    }\n\n    if (segment.metadata && segment.metadata.length && !sourceBuffer.metadataTrack_) {\n      sourceBuffer.metadataTrack_ = player.addRemoteTextTrack({\n        kind: 'metadata',\n        label: 'Timed Metadata'\n      }, false).track;\n      sourceBuffer.metadataTrack_.inBandMetadataTrackDispatchType = segment.metadata.dispatchType;\n    }\n  };\n  /**\n   * @file remove-cues-from-track.js\n   */\n\n  /**\n   * Remove cues from a track on video.js.\n   *\n   * @param {Double} start start of where we should remove the cue\n   * @param {Double} end end of where the we should remove the cue\n   * @param {Object} track the text track to remove the cues from\n   * @private\n   */\n\n\n  var removeCuesFromTrack = function removeCuesFromTrack(start, end, track) {\n    var i = void 0;\n    var cue = void 0;\n\n    if (!track) {\n      return;\n    }\n\n    if (!track.cues) {\n      return;\n    }\n\n    i = track.cues.length;\n\n    while (i--) {\n      cue = track.cues[i]; // Remove any overlapping cue\n\n      if (cue.startTime <= end && cue.endTime >= start) {\n        track.removeCue(cue);\n      }\n    }\n  };\n  /**\n   * @file add-text-track-data.js\n   */\n\n  /**\n   * Define properties on a cue for backwards compatability,\n   * but warn the user that the way that they are using it\n   * is depricated and will be removed at a later date.\n   *\n   * @param {Cue} cue the cue to add the properties on\n   * @private\n   */\n\n\n  var deprecateOldCue = function deprecateOldCue(cue) {\n    Object.defineProperties(cue.frame, {\n      id: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.id is deprecated. Use cue.value.key instead.');\n          return cue.value.key;\n        }\n      },\n      value: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.value is deprecated. Use cue.value.data instead.');\n          return cue.value.data;\n        }\n      },\n      privateData: {\n        get: function get() {\n          videojs$1.log.warn('cue.frame.privateData is deprecated. Use cue.value.data instead.');\n          return cue.value.data;\n        }\n      }\n    });\n  };\n\n  var durationOfVideo = function durationOfVideo(duration) {\n    var dur = void 0;\n\n    if (isNaN(duration) || Math.abs(duration) === Infinity) {\n      dur = Number.MAX_VALUE;\n    } else {\n      dur = duration;\n    }\n\n    return dur;\n  };\n  /**\n   * Add text track data to a source handler given the captions and\n   * metadata from the buffer.\n   *\n   * @param {Object} sourceHandler the virtual source buffer\n   * @param {Array} captionArray an array of caption data\n   * @param {Array} metadataArray an array of meta data\n   * @private\n   */\n\n\n  var addTextTrackData = function addTextTrackData(sourceHandler, captionArray, metadataArray) {\n    var Cue = window$3.WebKitDataCue || window$3.VTTCue;\n\n    if (captionArray) {\n      captionArray.forEach(function (caption) {\n        var track = caption.stream;\n        this.inbandTextTracks_[track].addCue(new Cue(caption.startTime + this.timestampOffset, caption.endTime + this.timestampOffset, caption.text));\n      }, sourceHandler);\n    }\n\n    if (metadataArray) {\n      var videoDuration = durationOfVideo(sourceHandler.mediaSource_.duration);\n      metadataArray.forEach(function (metadata) {\n        var time = metadata.cueTime + this.timestampOffset; // if time isn't a finite number between 0 and Infinity, like NaN,\n        // ignore this bit of metadata.\n        // This likely occurs when you have an non-timed ID3 tag like TIT2,\n        // which is the \"Title/Songname/Content description\" frame\n\n        if (typeof time !== 'number' || window$3.isNaN(time) || time < 0 || !(time < Infinity)) {\n          return;\n        }\n\n        metadata.frames.forEach(function (frame) {\n          var cue = new Cue(time, time, frame.value || frame.url || frame.data || '');\n          cue.frame = frame;\n          cue.value = frame;\n          deprecateOldCue(cue);\n          this.metadataTrack_.addCue(cue);\n        }, this);\n      }, sourceHandler); // Updating the metadeta cues so that\n      // the endTime of each cue is the startTime of the next cue\n      // the endTime of last cue is the duration of the video\n\n      if (sourceHandler.metadataTrack_ && sourceHandler.metadataTrack_.cues && sourceHandler.metadataTrack_.cues.length) {\n        var cues = sourceHandler.metadataTrack_.cues;\n        var cuesArray = []; // Create a copy of the TextTrackCueList...\n        // ...disregarding cues with a falsey value\n\n        for (var i = 0; i < cues.length; i++) {\n          if (cues[i]) {\n            cuesArray.push(cues[i]);\n          }\n        } // Group cues by their startTime value\n\n\n        var cuesGroupedByStartTime = cuesArray.reduce(function (obj, cue) {\n          var timeSlot = obj[cue.startTime] || [];\n          timeSlot.push(cue);\n          obj[cue.startTime] = timeSlot;\n          return obj;\n        }, {}); // Sort startTimes by ascending order\n\n        var sortedStartTimes = Object.keys(cuesGroupedByStartTime).sort(function (a, b) {\n          return Number(a) - Number(b);\n        }); // Map each cue group's endTime to the next group's startTime\n\n        sortedStartTimes.forEach(function (startTime, idx) {\n          var cueGroup = cuesGroupedByStartTime[startTime];\n          var nextTime = Number(sortedStartTimes[idx + 1]) || videoDuration; // Map each cue's endTime the next group's startTime\n\n          cueGroup.forEach(function (cue) {\n            cue.endTime = nextTime;\n          });\n        });\n      }\n    }\n  };\n\n  var win = typeof window !== 'undefined' ? window : {},\n      TARGET = typeof Symbol === 'undefined' ? '__target' : Symbol(),\n      SCRIPT_TYPE = 'application/javascript',\n      BlobBuilder = win.BlobBuilder || win.WebKitBlobBuilder || win.MozBlobBuilder || win.MSBlobBuilder,\n      URL = win.URL || win.webkitURL || URL && URL.msURL,\n      Worker = win.Worker;\n  /**\n   * Returns a wrapper around Web Worker code that is constructible.\n   *\n   * @function shimWorker\n   *\n   * @param { String }    filename    The name of the file\n   * @param { Function }  fn          Function wrapping the code of the worker\n   */\n\n  function shimWorker(filename, fn) {\n    return function ShimWorker(forceFallback) {\n      var o = this;\n\n      if (!fn) {\n        return new Worker(filename);\n      } else if (Worker && !forceFallback) {\n        // Convert the function's inner code to a string to construct the worker\n        var source = fn.toString().replace(/^function.+?{/, '').slice(0, -1),\n            objURL = createSourceObject(source);\n        this[TARGET] = new Worker(objURL);\n        wrapTerminate(this[TARGET], objURL);\n        return this[TARGET];\n      } else {\n        var selfShim = {\n          postMessage: function postMessage(m) {\n            if (o.onmessage) {\n              setTimeout(function () {\n                o.onmessage({\n                  data: m,\n                  target: selfShim\n                });\n              });\n            }\n          }\n        };\n        fn.call(selfShim);\n\n        this.postMessage = function (m) {\n          setTimeout(function () {\n            selfShim.onmessage({\n              data: m,\n              target: o\n            });\n          });\n        };\n\n        this.isThisThread = true;\n      }\n    };\n  } // Test Worker capabilities\n\n\n  if (Worker) {\n    var testWorker,\n        objURL = createSourceObject('self.onmessage = function () {}'),\n        testArray = new Uint8Array(1);\n\n    try {\n      testWorker = new Worker(objURL); // Native browser on some Samsung devices throws for transferables, let's detect it\n\n      testWorker.postMessage(testArray, [testArray.buffer]);\n    } catch (e) {\n      Worker = null;\n    } finally {\n      URL.revokeObjectURL(objURL);\n\n      if (testWorker) {\n        testWorker.terminate();\n      }\n    }\n  }\n\n  function createSourceObject(str) {\n    try {\n      return URL.createObjectURL(new Blob([str], {\n        type: SCRIPT_TYPE\n      }));\n    } catch (e) {\n      var blob = new BlobBuilder();\n      blob.append(str);\n      return URL.createObjectURL(blob.getBlob(type));\n    }\n  }\n\n  function wrapTerminate(worker, objURL) {\n    if (!worker || !objURL) return;\n    var term = worker.terminate;\n    worker.objURL = objURL;\n\n    worker.terminate = function () {\n      if (worker.objURL) URL.revokeObjectURL(worker.objURL);\n      term.call(worker);\n    };\n  }\n\n  var TransmuxWorker = new shimWorker(\"./transmuxer-worker.worker.js\", function (window, document$$1) {\n    var self = this;\n\n    var transmuxerWorker = function () {\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * A lightweight readable stream implemention that handles event dispatching.\n       * Objects that inherit from streams should call init in their constructors.\n       */\n      var Stream = function Stream() {\n        this.init = function () {\n          var listeners = {};\n          /**\n           * Add a listener for a specified event type.\n           * @param type {string} the event name\n           * @param listener {function} the callback to be invoked when an event of\n           * the specified type occurs\n           */\n\n          this.on = function (type, listener) {\n            if (!listeners[type]) {\n              listeners[type] = [];\n            }\n\n            listeners[type] = listeners[type].concat(listener);\n          };\n          /**\n           * Remove a listener for a specified event type.\n           * @param type {string} the event name\n           * @param listener {function} a function previously registered for this\n           * type of event through `on`\n           */\n\n\n          this.off = function (type, listener) {\n            var index;\n\n            if (!listeners[type]) {\n              return false;\n            }\n\n            index = listeners[type].indexOf(listener);\n            listeners[type] = listeners[type].slice();\n            listeners[type].splice(index, 1);\n            return index > -1;\n          };\n          /**\n           * Trigger an event of the specified type on this stream. Any additional\n           * arguments to this function are passed as parameters to event listeners.\n           * @param type {string} the event name\n           */\n\n\n          this.trigger = function (type) {\n            var callbacks, i, length, args;\n            callbacks = listeners[type];\n\n            if (!callbacks) {\n              return;\n            } // Slicing the arguments on every invocation of this method\n            // can add a significant amount of overhead. Avoid the\n            // intermediate object creation for the common case of a\n            // single callback argument\n\n\n            if (arguments.length === 2) {\n              length = callbacks.length;\n\n              for (i = 0; i < length; ++i) {\n                callbacks[i].call(this, arguments[1]);\n              }\n            } else {\n              args = [];\n              i = arguments.length;\n\n              for (i = 1; i < arguments.length; ++i) {\n                args.push(arguments[i]);\n              }\n\n              length = callbacks.length;\n\n              for (i = 0; i < length; ++i) {\n                callbacks[i].apply(this, args);\n              }\n            }\n          };\n          /**\n           * Destroys the stream and cleans up.\n           */\n\n\n          this.dispose = function () {\n            listeners = {};\n          };\n        };\n      };\n      /**\n       * Forwards all `data` events on this stream to the destination stream. The\n       * destination stream should provide a method `push` to receive the data\n       * events as they arrive.\n       * @param destination {stream} the stream that will receive all `data` events\n       * @param autoFlush {boolean} if false, we will not call `flush` on the destination\n       *                            when the current stream emits a 'done' event\n       * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n       */\n\n\n      Stream.prototype.pipe = function (destination) {\n        this.on('data', function (data) {\n          destination.push(data);\n        });\n        this.on('done', function (flushSource) {\n          destination.flush(flushSource);\n        });\n        this.on('partialdone', function (flushSource) {\n          destination.partialFlush(flushSource);\n        });\n        this.on('endedtimeline', function (flushSource) {\n          destination.endTimeline(flushSource);\n        });\n        this.on('reset', function (flushSource) {\n          destination.reset(flushSource);\n        });\n        return destination;\n      }; // Default stream functions that are expected to be overridden to perform\n      // actual work. These are provided by the prototype as a sort of no-op\n      // implementation so that we don't have to check for their existence in the\n      // `pipe` function above.\n\n\n      Stream.prototype.push = function (data) {\n        this.trigger('data', data);\n      };\n\n      Stream.prototype.flush = function (flushSource) {\n        this.trigger('done', flushSource);\n      };\n\n      Stream.prototype.partialFlush = function (flushSource) {\n        this.trigger('partialdone', flushSource);\n      };\n\n      Stream.prototype.endTimeline = function (flushSource) {\n        this.trigger('endedtimeline', flushSource);\n      };\n\n      Stream.prototype.reset = function (flushSource) {\n        this.trigger('reset', flushSource);\n      };\n\n      var stream = Stream;\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Functions that generate fragmented MP4s suitable for use with Media\n       * Source Extensions.\n       */\n\n      var UINT32_MAX = Math.pow(2, 32) - 1;\n      var box, dinf, esds, ftyp, mdat, mfhd, minf, moof, moov, mvex, mvhd, trak, tkhd, mdia, mdhd, hdlr, sdtp, stbl, stsd, traf, trex, trun, types, MAJOR_BRAND, MINOR_VERSION, AVC1_BRAND, VIDEO_HDLR, AUDIO_HDLR, HDLR_TYPES, VMHD, SMHD, DREF, STCO, STSC, STSZ, STTS; // pre-calculate constants\n\n      (function () {\n        var i;\n        types = {\n          avc1: [],\n          // codingname\n          avcC: [],\n          btrt: [],\n          dinf: [],\n          dref: [],\n          esds: [],\n          ftyp: [],\n          hdlr: [],\n          mdat: [],\n          mdhd: [],\n          mdia: [],\n          mfhd: [],\n          minf: [],\n          moof: [],\n          moov: [],\n          mp4a: [],\n          // codingname\n          mvex: [],\n          mvhd: [],\n          pasp: [],\n          sdtp: [],\n          smhd: [],\n          stbl: [],\n          stco: [],\n          stsc: [],\n          stsd: [],\n          stsz: [],\n          stts: [],\n          styp: [],\n          tfdt: [],\n          tfhd: [],\n          traf: [],\n          trak: [],\n          trun: [],\n          trex: [],\n          tkhd: [],\n          vmhd: []\n        }; // In environments where Uint8Array is undefined (e.g., IE8), skip set up so that we\n        // don't throw an error\n\n        if (typeof Uint8Array === 'undefined') {\n          return;\n        }\n\n        for (i in types) {\n          if (types.hasOwnProperty(i)) {\n            types[i] = [i.charCodeAt(0), i.charCodeAt(1), i.charCodeAt(2), i.charCodeAt(3)];\n          }\n        }\n\n        MAJOR_BRAND = new Uint8Array(['i'.charCodeAt(0), 's'.charCodeAt(0), 'o'.charCodeAt(0), 'm'.charCodeAt(0)]);\n        AVC1_BRAND = new Uint8Array(['a'.charCodeAt(0), 'v'.charCodeAt(0), 'c'.charCodeAt(0), '1'.charCodeAt(0)]);\n        MINOR_VERSION = new Uint8Array([0, 0, 0, 1]);\n        VIDEO_HDLR = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // pre_defined\n        0x76, 0x69, 0x64, 0x65, // handler_type: 'vide'\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x56, 0x69, 0x64, 0x65, 0x6f, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'VideoHandler'\n        ]);\n        AUDIO_HDLR = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // pre_defined\n        0x73, 0x6f, 0x75, 0x6e, // handler_type: 'soun'\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x53, 0x6f, 0x75, 0x6e, 0x64, 0x48, 0x61, 0x6e, 0x64, 0x6c, 0x65, 0x72, 0x00 // name: 'SoundHandler'\n        ]);\n        HDLR_TYPES = {\n          video: VIDEO_HDLR,\n          audio: AUDIO_HDLR\n        };\n        DREF = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x01, // entry_count\n        0x00, 0x00, 0x00, 0x0c, // entry_size\n        0x75, 0x72, 0x6c, 0x20, // 'url' type\n        0x00, // version 0\n        0x00, 0x00, 0x01 // entry_flags\n        ]);\n        SMHD = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, // balance, 0 means centered\n        0x00, 0x00 // reserved\n        ]);\n        STCO = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00 // entry_count\n        ]);\n        STSC = STCO;\n        STSZ = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x00, // sample_size\n        0x00, 0x00, 0x00, 0x00 // sample_count\n        ]);\n        STTS = STCO;\n        VMHD = new Uint8Array([0x00, // version\n        0x00, 0x00, 0x01, // flags\n        0x00, 0x00, // graphicsmode\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00 // opcolor\n        ]);\n      })();\n\n      box = function box(type) {\n        var payload = [],\n            size = 0,\n            i,\n            result,\n            view;\n\n        for (i = 1; i < arguments.length; i++) {\n          payload.push(arguments[i]);\n        }\n\n        i = payload.length; // calculate the total size we need to allocate\n\n        while (i--) {\n          size += payload[i].byteLength;\n        }\n\n        result = new Uint8Array(size + 8);\n        view = new DataView(result.buffer, result.byteOffset, result.byteLength);\n        view.setUint32(0, result.byteLength);\n        result.set(type, 4); // copy the payload into the result\n\n        for (i = 0, size = 8; i < payload.length; i++) {\n          result.set(payload[i], size);\n          size += payload[i].byteLength;\n        }\n\n        return result;\n      };\n\n      dinf = function dinf() {\n        return box(types.dinf, box(types.dref, DREF));\n      };\n\n      esds = function esds(track) {\n        return box(types.esds, new Uint8Array([0x00, // version\n        0x00, 0x00, 0x00, // flags\n        // ES_Descriptor\n        0x03, // tag, ES_DescrTag\n        0x19, // length\n        0x00, 0x00, // ES_ID\n        0x00, // streamDependenceFlag, URL_flag, reserved, streamPriority\n        // DecoderConfigDescriptor\n        0x04, // tag, DecoderConfigDescrTag\n        0x11, // length\n        0x40, // object type\n        0x15, // streamType\n        0x00, 0x06, 0x00, // bufferSizeDB\n        0x00, 0x00, 0xda, 0xc0, // maxBitrate\n        0x00, 0x00, 0xda, 0xc0, // avgBitrate\n        // DecoderSpecificInfo\n        0x05, // tag, DecoderSpecificInfoTag\n        0x02, // length\n        // ISO/IEC 14496-3, AudioSpecificConfig\n        // for samplingFrequencyIndex see ISO/IEC 13818-7:2006, 8.1.3.2.2, Table 35\n        track.audioobjecttype << 3 | track.samplingfrequencyindex >>> 1, track.samplingfrequencyindex << 7 | track.channelcount << 3, 0x06, 0x01, 0x02 // GASpecificConfig\n        ]));\n      };\n\n      ftyp = function ftyp() {\n        return box(types.ftyp, MAJOR_BRAND, MINOR_VERSION, MAJOR_BRAND, AVC1_BRAND);\n      };\n\n      hdlr = function hdlr(type) {\n        return box(types.hdlr, HDLR_TYPES[type]);\n      };\n\n      mdat = function mdat(data) {\n        return box(types.mdat, data);\n      };\n\n      mdhd = function mdhd(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x02, // creation_time\n        0x00, 0x00, 0x00, 0x03, // modification_time\n        0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 \"ticks\" per second\n        track.duration >>> 24 & 0xFF, track.duration >>> 16 & 0xFF, track.duration >>> 8 & 0xFF, track.duration & 0xFF, // duration\n        0x55, 0xc4, // 'und' language (undetermined)\n        0x00, 0x00]); // Use the sample rate from the track metadata, when it is\n        // defined. The sample rate can be parsed out of an ADTS header, for\n        // instance.\n\n        if (track.samplerate) {\n          result[12] = track.samplerate >>> 24 & 0xFF;\n          result[13] = track.samplerate >>> 16 & 0xFF;\n          result[14] = track.samplerate >>> 8 & 0xFF;\n          result[15] = track.samplerate & 0xFF;\n        }\n\n        return box(types.mdhd, result);\n      };\n\n      mdia = function mdia(track) {\n        return box(types.mdia, mdhd(track), hdlr(track.type), minf(track));\n      };\n\n      mfhd = function mfhd(sequenceNumber) {\n        return box(types.mfhd, new Uint8Array([0x00, 0x00, 0x00, 0x00, // flags\n        (sequenceNumber & 0xFF000000) >> 24, (sequenceNumber & 0xFF0000) >> 16, (sequenceNumber & 0xFF00) >> 8, sequenceNumber & 0xFF // sequence_number\n        ]));\n      };\n\n      minf = function minf(track) {\n        return box(types.minf, track.type === 'video' ? box(types.vmhd, VMHD) : box(types.smhd, SMHD), dinf(), stbl(track));\n      };\n\n      moof = function moof(sequenceNumber, tracks) {\n        var trackFragments = [],\n            i = tracks.length; // build traf boxes for each track fragment\n\n        while (i--) {\n          trackFragments[i] = traf(tracks[i]);\n        }\n\n        return box.apply(null, [types.moof, mfhd(sequenceNumber)].concat(trackFragments));\n      };\n      /**\n       * Returns a movie box.\n       * @param tracks {array} the tracks associated with this movie\n       * @see ISO/IEC 14496-12:2012(E), section 8.2.1\n       */\n\n\n      moov = function moov(tracks) {\n        var i = tracks.length,\n            boxes = [];\n\n        while (i--) {\n          boxes[i] = trak(tracks[i]);\n        }\n\n        return box.apply(null, [types.moov, mvhd(0xffffffff)].concat(boxes).concat(mvex(tracks)));\n      };\n\n      mvex = function mvex(tracks) {\n        var i = tracks.length,\n            boxes = [];\n\n        while (i--) {\n          boxes[i] = trex(tracks[i]);\n        }\n\n        return box.apply(null, [types.mvex].concat(boxes));\n      };\n\n      mvhd = function mvhd(duration) {\n        var bytes = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        0x00, 0x00, 0x00, 0x01, // creation_time\n        0x00, 0x00, 0x00, 0x02, // modification_time\n        0x00, 0x01, 0x5f, 0x90, // timescale, 90,000 \"ticks\" per second\n        (duration & 0xFF000000) >> 24, (duration & 0xFF0000) >> 16, (duration & 0xFF00) >> 8, duration & 0xFF, // duration\n        0x00, 0x01, 0x00, 0x00, // 1.0 rate\n        0x01, 0x00, // 1.0 volume\n        0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined\n        0xff, 0xff, 0xff, 0xff // next_track_ID\n        ]);\n        return box(types.mvhd, bytes);\n      };\n\n      sdtp = function sdtp(track) {\n        var samples = track.samples || [],\n            bytes = new Uint8Array(4 + samples.length),\n            flags,\n            i; // leave the full box header (4 bytes) all zero\n        // write the sample table\n\n        for (i = 0; i < samples.length; i++) {\n          flags = samples[i].flags;\n          bytes[i + 4] = flags.dependsOn << 4 | flags.isDependedOn << 2 | flags.hasRedundancy;\n        }\n\n        return box(types.sdtp, bytes);\n      };\n\n      stbl = function stbl(track) {\n        return box(types.stbl, stsd(track), box(types.stts, STTS), box(types.stsc, STSC), box(types.stsz, STSZ), box(types.stco, STCO));\n      };\n\n      (function () {\n        var videoSample, audioSample;\n\n        stsd = function stsd(track) {\n          return box(types.stsd, new Uint8Array([0x00, // version 0\n          0x00, 0x00, 0x00, // flags\n          0x00, 0x00, 0x00, 0x01]), track.type === 'video' ? videoSample(track) : audioSample(track));\n        };\n\n        videoSample = function videoSample(track) {\n          var sps = track.sps || [],\n              pps = track.pps || [],\n              sequenceParameterSets = [],\n              pictureParameterSets = [],\n              i,\n              avc1Box; // assemble the SPSs\n\n          for (i = 0; i < sps.length; i++) {\n            sequenceParameterSets.push((sps[i].byteLength & 0xFF00) >>> 8);\n            sequenceParameterSets.push(sps[i].byteLength & 0xFF); // sequenceParameterSetLength\n\n            sequenceParameterSets = sequenceParameterSets.concat(Array.prototype.slice.call(sps[i])); // SPS\n          } // assemble the PPSs\n\n\n          for (i = 0; i < pps.length; i++) {\n            pictureParameterSets.push((pps[i].byteLength & 0xFF00) >>> 8);\n            pictureParameterSets.push(pps[i].byteLength & 0xFF);\n            pictureParameterSets = pictureParameterSets.concat(Array.prototype.slice.call(pps[i]));\n          }\n\n          avc1Box = [types.avc1, new Uint8Array([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // data_reference_index\n          0x00, 0x00, // pre_defined\n          0x00, 0x00, // reserved\n          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // pre_defined\n          (track.width & 0xff00) >> 8, track.width & 0xff, // width\n          (track.height & 0xff00) >> 8, track.height & 0xff, // height\n          0x00, 0x48, 0x00, 0x00, // horizresolution\n          0x00, 0x48, 0x00, 0x00, // vertresolution\n          0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // frame_count\n          0x13, 0x76, 0x69, 0x64, 0x65, 0x6f, 0x6a, 0x73, 0x2d, 0x63, 0x6f, 0x6e, 0x74, 0x72, 0x69, 0x62, 0x2d, 0x68, 0x6c, 0x73, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // compressorname\n          0x00, 0x18, // depth = 24\n          0x11, 0x11 // pre_defined = -1\n          ]), box(types.avcC, new Uint8Array([0x01, // configurationVersion\n          track.profileIdc, // AVCProfileIndication\n          track.profileCompatibility, // profile_compatibility\n          track.levelIdc, // AVCLevelIndication\n          0xff // lengthSizeMinusOne, hard-coded to 4 bytes\n          ].concat([sps.length], // numOfSequenceParameterSets\n          sequenceParameterSets, // \"SPS\"\n          [pps.length], // numOfPictureParameterSets\n          pictureParameterSets // \"PPS\"\n          ))), box(types.btrt, new Uint8Array([0x00, 0x1c, 0x9c, 0x80, // bufferSizeDB\n          0x00, 0x2d, 0xc6, 0xc0, // maxBitrate\n          0x00, 0x2d, 0xc6, 0xc0 // avgBitrate\n          ]))];\n\n          if (track.sarRatio) {\n            var hSpacing = track.sarRatio[0],\n                vSpacing = track.sarRatio[1];\n            avc1Box.push(box(types.pasp, new Uint8Array([(hSpacing & 0xFF000000) >> 24, (hSpacing & 0xFF0000) >> 16, (hSpacing & 0xFF00) >> 8, hSpacing & 0xFF, (vSpacing & 0xFF000000) >> 24, (vSpacing & 0xFF0000) >> 16, (vSpacing & 0xFF00) >> 8, vSpacing & 0xFF])));\n          }\n\n          return box.apply(null, avc1Box);\n        };\n\n        audioSample = function audioSample(track) {\n          return box(types.mp4a, new Uint8Array([// SampleEntry, ISO/IEC 14496-12\n          0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x01, // data_reference_index\n          // AudioSampleEntry, ISO/IEC 14496-12\n          0x00, 0x00, 0x00, 0x00, // reserved\n          0x00, 0x00, 0x00, 0x00, // reserved\n          (track.channelcount & 0xff00) >> 8, track.channelcount & 0xff, // channelcount\n          (track.samplesize & 0xff00) >> 8, track.samplesize & 0xff, // samplesize\n          0x00, 0x00, // pre_defined\n          0x00, 0x00, // reserved\n          (track.samplerate & 0xff00) >> 8, track.samplerate & 0xff, 0x00, 0x00 // samplerate, 16.16\n          // MP4AudioSampleEntry, ISO/IEC 14496-14\n          ]), esds(track));\n        };\n      })();\n\n      tkhd = function tkhd(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x07, // flags\n        0x00, 0x00, 0x00, 0x00, // creation_time\n        0x00, 0x00, 0x00, 0x00, // modification_time\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x00, // reserved\n        (track.duration & 0xFF000000) >> 24, (track.duration & 0xFF0000) >> 16, (track.duration & 0xFF00) >> 8, track.duration & 0xFF, // duration\n        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // reserved\n        0x00, 0x00, // layer\n        0x00, 0x00, // alternate_group\n        0x01, 0x00, // non-audio track volume\n        0x00, 0x00, // reserved\n        0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, 0x00, // transformation: unity matrix\n        (track.width & 0xFF00) >> 8, track.width & 0xFF, 0x00, 0x00, // width\n        (track.height & 0xFF00) >> 8, track.height & 0xFF, 0x00, 0x00 // height\n        ]);\n        return box(types.tkhd, result);\n      };\n      /**\n       * Generate a track fragment (traf) box. A traf box collects metadata\n       * about tracks in a movie fragment (moof) box.\n       */\n\n\n      traf = function traf(track) {\n        var trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable, dataOffset, upperWordBaseMediaDecodeTime, lowerWordBaseMediaDecodeTime;\n        trackFragmentHeader = box(types.tfhd, new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x3a, // flags\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x01, // sample_description_index\n        0x00, 0x00, 0x00, 0x00, // default_sample_duration\n        0x00, 0x00, 0x00, 0x00, // default_sample_size\n        0x00, 0x00, 0x00, 0x00 // default_sample_flags\n        ]));\n        upperWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime / (UINT32_MAX + 1));\n        lowerWordBaseMediaDecodeTime = Math.floor(track.baseMediaDecodeTime % (UINT32_MAX + 1));\n        trackFragmentDecodeTime = box(types.tfdt, new Uint8Array([0x01, // version 1\n        0x00, 0x00, 0x00, // flags\n        // baseMediaDecodeTime\n        upperWordBaseMediaDecodeTime >>> 24 & 0xFF, upperWordBaseMediaDecodeTime >>> 16 & 0xFF, upperWordBaseMediaDecodeTime >>> 8 & 0xFF, upperWordBaseMediaDecodeTime & 0xFF, lowerWordBaseMediaDecodeTime >>> 24 & 0xFF, lowerWordBaseMediaDecodeTime >>> 16 & 0xFF, lowerWordBaseMediaDecodeTime >>> 8 & 0xFF, lowerWordBaseMediaDecodeTime & 0xFF])); // the data offset specifies the number of bytes from the start of\n        // the containing moof to the first payload byte of the associated\n        // mdat\n\n        dataOffset = 32 + // tfhd\n        20 + // tfdt\n        8 + // traf header\n        16 + // mfhd\n        8 + // moof header\n        8; // mdat header\n        // audio tracks require less metadata\n\n        if (track.type === 'audio') {\n          trackFragmentRun = trun(track, dataOffset);\n          return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun);\n        } // video tracks should contain an independent and disposable samples\n        // box (sdtp)\n        // generate one and adjust offsets to match\n\n\n        sampleDependencyTable = sdtp(track);\n        trackFragmentRun = trun(track, sampleDependencyTable.length + dataOffset);\n        return box(types.traf, trackFragmentHeader, trackFragmentDecodeTime, trackFragmentRun, sampleDependencyTable);\n      };\n      /**\n       * Generate a track box.\n       * @param track {object} a track definition\n       * @return {Uint8Array} the track box\n       */\n\n\n      trak = function trak(track) {\n        track.duration = track.duration || 0xffffffff;\n        return box(types.trak, tkhd(track), mdia(track));\n      };\n\n      trex = function trex(track) {\n        var result = new Uint8Array([0x00, // version 0\n        0x00, 0x00, 0x00, // flags\n        (track.id & 0xFF000000) >> 24, (track.id & 0xFF0000) >> 16, (track.id & 0xFF00) >> 8, track.id & 0xFF, // track_ID\n        0x00, 0x00, 0x00, 0x01, // default_sample_description_index\n        0x00, 0x00, 0x00, 0x00, // default_sample_duration\n        0x00, 0x00, 0x00, 0x00, // default_sample_size\n        0x00, 0x01, 0x00, 0x01 // default_sample_flags\n        ]); // the last two bytes of default_sample_flags is the sample\n        // degradation priority, a hint about the importance of this sample\n        // relative to others. Lower the degradation priority for all sample\n        // types other than video.\n\n        if (track.type !== 'video') {\n          result[result.length - 1] = 0x00;\n        }\n\n        return box(types.trex, result);\n      };\n\n      (function () {\n        var audioTrun, videoTrun, trunHeader; // This method assumes all samples are uniform. That is, if a\n        // duration is present for the first sample, it will be present for\n        // all subsequent samples.\n        // see ISO/IEC 14496-12:2012, Section 8.8.8.1\n\n        trunHeader = function trunHeader(samples, offset) {\n          var durationPresent = 0,\n              sizePresent = 0,\n              flagsPresent = 0,\n              compositionTimeOffset = 0; // trun flag constants\n\n          if (samples.length) {\n            if (samples[0].duration !== undefined) {\n              durationPresent = 0x1;\n            }\n\n            if (samples[0].size !== undefined) {\n              sizePresent = 0x2;\n            }\n\n            if (samples[0].flags !== undefined) {\n              flagsPresent = 0x4;\n            }\n\n            if (samples[0].compositionTimeOffset !== undefined) {\n              compositionTimeOffset = 0x8;\n            }\n          }\n\n          return [0x00, // version 0\n          0x00, durationPresent | sizePresent | flagsPresent | compositionTimeOffset, 0x01, // flags\n          (samples.length & 0xFF000000) >>> 24, (samples.length & 0xFF0000) >>> 16, (samples.length & 0xFF00) >>> 8, samples.length & 0xFF, // sample_count\n          (offset & 0xFF000000) >>> 24, (offset & 0xFF0000) >>> 16, (offset & 0xFF00) >>> 8, offset & 0xFF // data_offset\n          ];\n        };\n\n        videoTrun = function videoTrun(track, offset) {\n          var bytes, samples, sample, i;\n          samples = track.samples || [];\n          offset += 8 + 12 + 16 * samples.length;\n          bytes = trunHeader(samples, offset);\n\n          for (i = 0; i < samples.length; i++) {\n            sample = samples[i];\n            bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration\n            (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF, // sample_size\n            sample.flags.isLeading << 2 | sample.flags.dependsOn, sample.flags.isDependedOn << 6 | sample.flags.hasRedundancy << 4 | sample.flags.paddingValue << 1 | sample.flags.isNonSyncSample, sample.flags.degradationPriority & 0xF0 << 8, sample.flags.degradationPriority & 0x0F, // sample_flags\n            (sample.compositionTimeOffset & 0xFF000000) >>> 24, (sample.compositionTimeOffset & 0xFF0000) >>> 16, (sample.compositionTimeOffset & 0xFF00) >>> 8, sample.compositionTimeOffset & 0xFF // sample_composition_time_offset\n            ]);\n          }\n\n          return box(types.trun, new Uint8Array(bytes));\n        };\n\n        audioTrun = function audioTrun(track, offset) {\n          var bytes, samples, sample, i;\n          samples = track.samples || [];\n          offset += 8 + 12 + 8 * samples.length;\n          bytes = trunHeader(samples, offset);\n\n          for (i = 0; i < samples.length; i++) {\n            sample = samples[i];\n            bytes = bytes.concat([(sample.duration & 0xFF000000) >>> 24, (sample.duration & 0xFF0000) >>> 16, (sample.duration & 0xFF00) >>> 8, sample.duration & 0xFF, // sample_duration\n            (sample.size & 0xFF000000) >>> 24, (sample.size & 0xFF0000) >>> 16, (sample.size & 0xFF00) >>> 8, sample.size & 0xFF]); // sample_size\n          }\n\n          return box(types.trun, new Uint8Array(bytes));\n        };\n\n        trun = function trun(track, offset) {\n          if (track.type === 'audio') {\n            return audioTrun(track, offset);\n          }\n\n          return videoTrun(track, offset);\n        };\n      })();\n\n      var mp4Generator = {\n        ftyp: ftyp,\n        mdat: mdat,\n        moof: moof,\n        moov: moov,\n        initSegment: function initSegment(tracks) {\n          var fileType = ftyp(),\n              movie = moov(tracks),\n              result;\n          result = new Uint8Array(fileType.byteLength + movie.byteLength);\n          result.set(fileType);\n          result.set(movie, fileType.byteLength);\n          return result;\n        }\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n      // Convert an array of nal units into an array of frames with each frame being\n      // composed of the nal units that make up that frame\n      // Also keep track of cummulative data about the frame from the nal units such\n      // as the frame duration, starting pts, etc.\n\n      var groupNalsIntoFrames = function groupNalsIntoFrames(nalUnits) {\n        var i,\n            currentNal,\n            currentFrame = [],\n            frames = []; // TODO added for LHLS, make sure this is OK\n\n        frames.byteLength = 0;\n        frames.nalCount = 0;\n        frames.duration = 0;\n        currentFrame.byteLength = 0;\n\n        for (i = 0; i < nalUnits.length; i++) {\n          currentNal = nalUnits[i]; // Split on 'aud'-type nal units\n\n          if (currentNal.nalUnitType === 'access_unit_delimiter_rbsp') {\n            // Since the very first nal unit is expected to be an AUD\n            // only push to the frames array when currentFrame is not empty\n            if (currentFrame.length) {\n              currentFrame.duration = currentNal.dts - currentFrame.dts; // TODO added for LHLS, make sure this is OK\n\n              frames.byteLength += currentFrame.byteLength;\n              frames.nalCount += currentFrame.length;\n              frames.duration += currentFrame.duration;\n              frames.push(currentFrame);\n            }\n\n            currentFrame = [currentNal];\n            currentFrame.byteLength = currentNal.data.byteLength;\n            currentFrame.pts = currentNal.pts;\n            currentFrame.dts = currentNal.dts;\n          } else {\n            // Specifically flag key frames for ease of use later\n            if (currentNal.nalUnitType === 'slice_layer_without_partitioning_rbsp_idr') {\n              currentFrame.keyFrame = true;\n            }\n\n            currentFrame.duration = currentNal.dts - currentFrame.dts;\n            currentFrame.byteLength += currentNal.data.byteLength;\n            currentFrame.push(currentNal);\n          }\n        } // For the last frame, use the duration of the previous frame if we\n        // have nothing better to go on\n\n\n        if (frames.length && (!currentFrame.duration || currentFrame.duration <= 0)) {\n          currentFrame.duration = frames[frames.length - 1].duration;\n        } // Push the final frame\n        // TODO added for LHLS, make sure this is OK\n\n\n        frames.byteLength += currentFrame.byteLength;\n        frames.nalCount += currentFrame.length;\n        frames.duration += currentFrame.duration;\n        frames.push(currentFrame);\n        return frames;\n      }; // Convert an array of frames into an array of Gop with each Gop being composed\n      // of the frames that make up that Gop\n      // Also keep track of cummulative data about the Gop from the frames such as the\n      // Gop duration, starting pts, etc.\n\n\n      var groupFramesIntoGops = function groupFramesIntoGops(frames) {\n        var i,\n            currentFrame,\n            currentGop = [],\n            gops = []; // We must pre-set some of the values on the Gop since we\n        // keep running totals of these values\n\n        currentGop.byteLength = 0;\n        currentGop.nalCount = 0;\n        currentGop.duration = 0;\n        currentGop.pts = frames[0].pts;\n        currentGop.dts = frames[0].dts; // store some metadata about all the Gops\n\n        gops.byteLength = 0;\n        gops.nalCount = 0;\n        gops.duration = 0;\n        gops.pts = frames[0].pts;\n        gops.dts = frames[0].dts;\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n\n          if (currentFrame.keyFrame) {\n            // Since the very first frame is expected to be an keyframe\n            // only push to the gops array when currentGop is not empty\n            if (currentGop.length) {\n              gops.push(currentGop);\n              gops.byteLength += currentGop.byteLength;\n              gops.nalCount += currentGop.nalCount;\n              gops.duration += currentGop.duration;\n            }\n\n            currentGop = [currentFrame];\n            currentGop.nalCount = currentFrame.length;\n            currentGop.byteLength = currentFrame.byteLength;\n            currentGop.pts = currentFrame.pts;\n            currentGop.dts = currentFrame.dts;\n            currentGop.duration = currentFrame.duration;\n          } else {\n            currentGop.duration += currentFrame.duration;\n            currentGop.nalCount += currentFrame.length;\n            currentGop.byteLength += currentFrame.byteLength;\n            currentGop.push(currentFrame);\n          }\n        }\n\n        if (gops.length && currentGop.duration <= 0) {\n          currentGop.duration = gops[gops.length - 1].duration;\n        }\n\n        gops.byteLength += currentGop.byteLength;\n        gops.nalCount += currentGop.nalCount;\n        gops.duration += currentGop.duration; // push the final Gop\n\n        gops.push(currentGop);\n        return gops;\n      };\n      /*\n       * Search for the first keyframe in the GOPs and throw away all frames\n       * until that keyframe. Then extend the duration of the pulled keyframe\n       * and pull the PTS and DTS of the keyframe so that it covers the time\n       * range of the frames that were disposed.\n       *\n       * @param {Array} gops video GOPs\n       * @returns {Array} modified video GOPs\n       */\n\n\n      var extendFirstKeyFrame = function extendFirstKeyFrame(gops) {\n        var currentGop;\n\n        if (!gops[0][0].keyFrame && gops.length > 1) {\n          // Remove the first GOP\n          currentGop = gops.shift();\n          gops.byteLength -= currentGop.byteLength;\n          gops.nalCount -= currentGop.nalCount; // Extend the first frame of what is now the\n          // first gop to cover the time period of the\n          // frames we just removed\n\n          gops[0][0].dts = currentGop.dts;\n          gops[0][0].pts = currentGop.pts;\n          gops[0][0].duration += currentGop.duration;\n        }\n\n        return gops;\n      };\n      /**\n       * Default sample object\n       * see ISO/IEC 14496-12:2012, section 8.6.4.3\n       */\n\n\n      var createDefaultSample = function createDefaultSample() {\n        return {\n          size: 0,\n          flags: {\n            isLeading: 0,\n            dependsOn: 1,\n            isDependedOn: 0,\n            hasRedundancy: 0,\n            degradationPriority: 0,\n            isNonSyncSample: 1\n          }\n        };\n      };\n      /*\n       * Collates information from a video frame into an object for eventual\n       * entry into an MP4 sample table.\n       *\n       * @param {Object} frame the video frame\n       * @param {Number} dataOffset the byte offset to position the sample\n       * @return {Object} object containing sample table info for a frame\n       */\n\n\n      var sampleForFrame = function sampleForFrame(frame, dataOffset) {\n        var sample = createDefaultSample();\n        sample.dataOffset = dataOffset;\n        sample.compositionTimeOffset = frame.pts - frame.dts;\n        sample.duration = frame.duration;\n        sample.size = 4 * frame.length; // Space for nal unit size\n\n        sample.size += frame.byteLength;\n\n        if (frame.keyFrame) {\n          sample.flags.dependsOn = 2;\n          sample.flags.isNonSyncSample = 0;\n        }\n\n        return sample;\n      }; // generate the track's sample table from an array of gops\n\n\n      var generateSampleTable = function generateSampleTable(gops, baseDataOffset) {\n        var h,\n            i,\n            sample,\n            currentGop,\n            currentFrame,\n            dataOffset = baseDataOffset || 0,\n            samples = [];\n\n        for (h = 0; h < gops.length; h++) {\n          currentGop = gops[h];\n\n          for (i = 0; i < currentGop.length; i++) {\n            currentFrame = currentGop[i];\n            sample = sampleForFrame(currentFrame, dataOffset);\n            dataOffset += sample.size;\n            samples.push(sample);\n          }\n        }\n\n        return samples;\n      }; // generate the track's raw mdat data from an array of gops\n\n\n      var concatenateNalData = function concatenateNalData(gops) {\n        var h,\n            i,\n            j,\n            currentGop,\n            currentFrame,\n            currentNal,\n            dataOffset = 0,\n            nalsByteLength = gops.byteLength,\n            numberOfNals = gops.nalCount,\n            totalByteLength = nalsByteLength + 4 * numberOfNals,\n            data = new Uint8Array(totalByteLength),\n            view = new DataView(data.buffer); // For each Gop..\n\n        for (h = 0; h < gops.length; h++) {\n          currentGop = gops[h]; // For each Frame..\n\n          for (i = 0; i < currentGop.length; i++) {\n            currentFrame = currentGop[i]; // For each NAL..\n\n            for (j = 0; j < currentFrame.length; j++) {\n              currentNal = currentFrame[j];\n              view.setUint32(dataOffset, currentNal.data.byteLength);\n              dataOffset += 4;\n              data.set(currentNal.data, dataOffset);\n              dataOffset += currentNal.data.byteLength;\n            }\n          }\n        }\n\n        return data;\n      }; // generate the track's sample table from a frame\n\n\n      var generateSampleTableForFrame = function generateSampleTableForFrame(frame, baseDataOffset) {\n        var sample,\n            dataOffset = baseDataOffset || 0,\n            samples = [];\n        sample = sampleForFrame(frame, dataOffset);\n        samples.push(sample);\n        return samples;\n      }; // generate the track's raw mdat data from a frame\n\n\n      var concatenateNalDataForFrame = function concatenateNalDataForFrame(frame) {\n        var i,\n            currentNal,\n            dataOffset = 0,\n            nalsByteLength = frame.byteLength,\n            numberOfNals = frame.length,\n            totalByteLength = nalsByteLength + 4 * numberOfNals,\n            data = new Uint8Array(totalByteLength),\n            view = new DataView(data.buffer); // For each NAL..\n\n        for (i = 0; i < frame.length; i++) {\n          currentNal = frame[i];\n          view.setUint32(dataOffset, currentNal.data.byteLength);\n          dataOffset += 4;\n          data.set(currentNal.data, dataOffset);\n          dataOffset += currentNal.data.byteLength;\n        }\n\n        return data;\n      };\n\n      var frameUtils = {\n        groupNalsIntoFrames: groupNalsIntoFrames,\n        groupFramesIntoGops: groupFramesIntoGops,\n        extendFirstKeyFrame: extendFirstKeyFrame,\n        generateSampleTable: generateSampleTable,\n        concatenateNalData: concatenateNalData,\n        generateSampleTableForFrame: generateSampleTableForFrame,\n        concatenateNalDataForFrame: concatenateNalDataForFrame\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var highPrefix = [33, 16, 5, 32, 164, 27];\n      var lowPrefix = [33, 65, 108, 84, 1, 2, 4, 8, 168, 2, 4, 8, 17, 191, 252];\n\n      var zeroFill = function zeroFill(count) {\n        var a = [];\n\n        while (count--) {\n          a.push(0);\n        }\n\n        return a;\n      };\n\n      var makeTable = function makeTable(metaTable) {\n        return Object.keys(metaTable).reduce(function (obj, key) {\n          obj[key] = new Uint8Array(metaTable[key].reduce(function (arr, part) {\n            return arr.concat(part);\n          }, []));\n          return obj;\n        }, {});\n      }; // Frames-of-silence to use for filling in missing AAC frames\n\n\n      var coneOfSilence = {\n        96000: [highPrefix, [227, 64], zeroFill(154), [56]],\n        88200: [highPrefix, [231], zeroFill(170), [56]],\n        64000: [highPrefix, [248, 192], zeroFill(240), [56]],\n        48000: [highPrefix, [255, 192], zeroFill(268), [55, 148, 128], zeroFill(54), [112]],\n        44100: [highPrefix, [255, 192], zeroFill(268), [55, 163, 128], zeroFill(84), [112]],\n        32000: [highPrefix, [255, 192], zeroFill(268), [55, 234], zeroFill(226), [112]],\n        24000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 112], zeroFill(126), [224]],\n        16000: [highPrefix, [255, 192], zeroFill(268), [55, 255, 128], zeroFill(268), [111, 255], zeroFill(269), [223, 108], zeroFill(195), [1, 192]],\n        12000: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 253, 128], zeroFill(259), [56]],\n        11025: [lowPrefix, zeroFill(268), [3, 127, 248], zeroFill(268), [6, 255, 240], zeroFill(268), [13, 255, 224], zeroFill(268), [27, 255, 192], zeroFill(268), [55, 175, 128], zeroFill(108), [112]],\n        8000: [lowPrefix, zeroFill(268), [3, 121, 16], zeroFill(47), [7]]\n      };\n      var silence = makeTable(coneOfSilence);\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ONE_SECOND_IN_TS = 90000,\n          // 90kHz clock\n      secondsToVideoTs,\n          secondsToAudioTs,\n          videoTsToSeconds,\n          audioTsToSeconds,\n          audioTsToVideoTs,\n          videoTsToAudioTs,\n          metadataTsToSeconds;\n\n      secondsToVideoTs = function secondsToVideoTs(seconds) {\n        return seconds * ONE_SECOND_IN_TS;\n      };\n\n      secondsToAudioTs = function secondsToAudioTs(seconds, sampleRate) {\n        return seconds * sampleRate;\n      };\n\n      videoTsToSeconds = function videoTsToSeconds(timestamp) {\n        return timestamp / ONE_SECOND_IN_TS;\n      };\n\n      audioTsToSeconds = function audioTsToSeconds(timestamp, sampleRate) {\n        return timestamp / sampleRate;\n      };\n\n      audioTsToVideoTs = function audioTsToVideoTs(timestamp, sampleRate) {\n        return secondsToVideoTs(audioTsToSeconds(timestamp, sampleRate));\n      };\n\n      videoTsToAudioTs = function videoTsToAudioTs(timestamp, sampleRate) {\n        return secondsToAudioTs(videoTsToSeconds(timestamp), sampleRate);\n      };\n      /**\n       * Adjust ID3 tag or caption timing information by the timeline pts values\n       * (if keepOriginalTimestamps is false) and convert to seconds\n       */\n\n\n      metadataTsToSeconds = function metadataTsToSeconds(timestamp, timelineStartPts, keepOriginalTimestamps) {\n        return videoTsToSeconds(keepOriginalTimestamps ? timestamp : timestamp - timelineStartPts);\n      };\n\n      var clock = {\n        ONE_SECOND_IN_TS: ONE_SECOND_IN_TS,\n        secondsToVideoTs: secondsToVideoTs,\n        secondsToAudioTs: secondsToAudioTs,\n        videoTsToSeconds: videoTsToSeconds,\n        audioTsToSeconds: audioTsToSeconds,\n        audioTsToVideoTs: audioTsToVideoTs,\n        videoTsToAudioTs: videoTsToAudioTs,\n        metadataTsToSeconds: metadataTsToSeconds\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      /**\n       * Sum the `byteLength` properties of the data in each AAC frame\n       */\n\n      var sumFrameByteLengths = function sumFrameByteLengths(array) {\n        var i,\n            currentObj,\n            sum = 0; // sum the byteLength's all each nal unit in the frame\n\n        for (i = 0; i < array.length; i++) {\n          currentObj = array[i];\n          sum += currentObj.data.byteLength;\n        }\n\n        return sum;\n      }; // Possibly pad (prefix) the audio track with silence if appending this track\n      // would lead to the introduction of a gap in the audio buffer\n\n\n      var prefixWithSilence = function prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime) {\n        var baseMediaDecodeTimeTs,\n            frameDuration = 0,\n            audioGapDuration = 0,\n            audioFillFrameCount = 0,\n            audioFillDuration = 0,\n            silentFrame,\n            i,\n            firstFrame;\n\n        if (!frames.length) {\n          return;\n        }\n\n        baseMediaDecodeTimeTs = clock.audioTsToVideoTs(track.baseMediaDecodeTime, track.samplerate); // determine frame clock duration based on sample rate, round up to avoid overfills\n\n        frameDuration = Math.ceil(clock.ONE_SECOND_IN_TS / (track.samplerate / 1024));\n\n        if (audioAppendStartTs && videoBaseMediaDecodeTime) {\n          // insert the shortest possible amount (audio gap or audio to video gap)\n          audioGapDuration = baseMediaDecodeTimeTs - Math.max(audioAppendStartTs, videoBaseMediaDecodeTime); // number of full frames in the audio gap\n\n          audioFillFrameCount = Math.floor(audioGapDuration / frameDuration);\n          audioFillDuration = audioFillFrameCount * frameDuration;\n        } // don't attempt to fill gaps smaller than a single frame or larger\n        // than a half second\n\n\n        if (audioFillFrameCount < 1 || audioFillDuration > clock.ONE_SECOND_IN_TS / 2) {\n          return;\n        }\n\n        silentFrame = silence[track.samplerate];\n\n        if (!silentFrame) {\n          // we don't have a silent frame pregenerated for the sample rate, so use a frame\n          // from the content instead\n          silentFrame = frames[0].data;\n        }\n\n        for (i = 0; i < audioFillFrameCount; i++) {\n          firstFrame = frames[0];\n          frames.splice(0, 0, {\n            data: silentFrame,\n            dts: firstFrame.dts - frameDuration,\n            pts: firstFrame.pts - frameDuration\n          });\n        }\n\n        track.baseMediaDecodeTime -= Math.floor(clock.videoTsToAudioTs(audioFillDuration, track.samplerate));\n      }; // If the audio segment extends before the earliest allowed dts\n      // value, remove AAC frames until starts at or after the earliest\n      // allowed DTS so that we don't end up with a negative baseMedia-\n      // DecodeTime for the audio track\n\n\n      var trimAdtsFramesByEarliestDts = function trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts) {\n        if (track.minSegmentDts >= earliestAllowedDts) {\n          return adtsFrames;\n        } // We will need to recalculate the earliest segment Dts\n\n\n        track.minSegmentDts = Infinity;\n        return adtsFrames.filter(function (currentFrame) {\n          // If this is an allowed frame, keep it and record it's Dts\n          if (currentFrame.dts >= earliestAllowedDts) {\n            track.minSegmentDts = Math.min(track.minSegmentDts, currentFrame.dts);\n            track.minSegmentPts = track.minSegmentDts;\n            return true;\n          } // Otherwise, discard it\n\n\n          return false;\n        });\n      }; // generate the track's raw mdat data from an array of frames\n\n\n      var generateSampleTable$1 = function generateSampleTable(frames) {\n        var i,\n            currentFrame,\n            samples = [];\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n          samples.push({\n            size: currentFrame.data.byteLength,\n            duration: 1024 // For AAC audio, all samples contain 1024 samples\n\n          });\n        }\n\n        return samples;\n      }; // generate the track's sample table from an array of frames\n\n\n      var concatenateFrameData = function concatenateFrameData(frames) {\n        var i,\n            currentFrame,\n            dataOffset = 0,\n            data = new Uint8Array(sumFrameByteLengths(frames));\n\n        for (i = 0; i < frames.length; i++) {\n          currentFrame = frames[i];\n          data.set(currentFrame.data, dataOffset);\n          dataOffset += currentFrame.data.byteLength;\n        }\n\n        return data;\n      };\n\n      var audioFrameUtils = {\n        prefixWithSilence: prefixWithSilence,\n        trimAdtsFramesByEarliestDts: trimAdtsFramesByEarliestDts,\n        generateSampleTable: generateSampleTable$1,\n        concatenateFrameData: concatenateFrameData\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ONE_SECOND_IN_TS$1 = clock.ONE_SECOND_IN_TS;\n      /**\n       * Store information about the start and end of the track and the\n       * duration for each frame/sample we process in order to calculate\n       * the baseMediaDecodeTime\n       */\n\n      var collectDtsInfo = function collectDtsInfo(track, data) {\n        if (typeof data.pts === 'number') {\n          if (track.timelineStartInfo.pts === undefined) {\n            track.timelineStartInfo.pts = data.pts;\n          }\n\n          if (track.minSegmentPts === undefined) {\n            track.minSegmentPts = data.pts;\n          } else {\n            track.minSegmentPts = Math.min(track.minSegmentPts, data.pts);\n          }\n\n          if (track.maxSegmentPts === undefined) {\n            track.maxSegmentPts = data.pts;\n          } else {\n            track.maxSegmentPts = Math.max(track.maxSegmentPts, data.pts);\n          }\n        }\n\n        if (typeof data.dts === 'number') {\n          if (track.timelineStartInfo.dts === undefined) {\n            track.timelineStartInfo.dts = data.dts;\n          }\n\n          if (track.minSegmentDts === undefined) {\n            track.minSegmentDts = data.dts;\n          } else {\n            track.minSegmentDts = Math.min(track.minSegmentDts, data.dts);\n          }\n\n          if (track.maxSegmentDts === undefined) {\n            track.maxSegmentDts = data.dts;\n          } else {\n            track.maxSegmentDts = Math.max(track.maxSegmentDts, data.dts);\n          }\n        }\n      };\n      /**\n       * Clear values used to calculate the baseMediaDecodeTime between\n       * tracks\n       */\n\n\n      var clearDtsInfo = function clearDtsInfo(track) {\n        delete track.minSegmentDts;\n        delete track.maxSegmentDts;\n        delete track.minSegmentPts;\n        delete track.maxSegmentPts;\n      };\n      /**\n       * Calculate the track's baseMediaDecodeTime based on the earliest\n       * DTS the transmuxer has ever seen and the minimum DTS for the\n       * current track\n       * @param track {object} track metadata configuration\n       * @param keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n\n      var calculateTrackBaseMediaDecodeTime = function calculateTrackBaseMediaDecodeTime(track, keepOriginalTimestamps) {\n        var baseMediaDecodeTime,\n            scale,\n            minSegmentDts = track.minSegmentDts; // Optionally adjust the time so the first segment starts at zero.\n\n        if (!keepOriginalTimestamps) {\n          minSegmentDts -= track.timelineStartInfo.dts;\n        } // track.timelineStartInfo.baseMediaDecodeTime is the location, in time, where\n        // we want the start of the first segment to be placed\n\n\n        baseMediaDecodeTime = track.timelineStartInfo.baseMediaDecodeTime; // Add to that the distance this segment is from the very first\n\n        baseMediaDecodeTime += minSegmentDts; // baseMediaDecodeTime must not become negative\n\n        baseMediaDecodeTime = Math.max(0, baseMediaDecodeTime);\n\n        if (track.type === 'audio') {\n          // Audio has a different clock equal to the sampling_rate so we need to\n          // scale the PTS values into the clock rate of the track\n          scale = track.samplerate / ONE_SECOND_IN_TS$1;\n          baseMediaDecodeTime *= scale;\n          baseMediaDecodeTime = Math.floor(baseMediaDecodeTime);\n        }\n\n        return baseMediaDecodeTime;\n      };\n\n      var trackDecodeInfo = {\n        clearDtsInfo: clearDtsInfo,\n        calculateTrackBaseMediaDecodeTime: calculateTrackBaseMediaDecodeTime,\n        collectDtsInfo: collectDtsInfo\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Reads in-band caption information from a video elementary\n       * stream. Captions must follow the CEA-708 standard for injection\n       * into an MPEG-2 transport streams.\n       * @see https://en.wikipedia.org/wiki/CEA-708\n       * @see https://www.gpo.gov/fdsys/pkg/CFR-2007-title47-vol1/pdf/CFR-2007-title47-vol1-sec15-119.pdf\n       */\n      // Supplemental enhancement information (SEI) NAL units have a\n      // payload type field to indicate how they are to be\n      // interpreted. CEAS-708 caption content is always transmitted with\n      // payload type 0x04.\n\n      var USER_DATA_REGISTERED_ITU_T_T35 = 4,\n          RBSP_TRAILING_BITS = 128;\n      /**\n        * Parse a supplemental enhancement information (SEI) NAL unit.\n        * Stops parsing once a message of type ITU T T35 has been found.\n        *\n        * @param bytes {Uint8Array} the bytes of a SEI NAL unit\n        * @return {object} the parsed SEI payload\n        * @see Rec. ITU-T H.264, 7.3.2.3.1\n        */\n\n      var parseSei = function parseSei(bytes) {\n        var i = 0,\n            result = {\n          payloadType: -1,\n          payloadSize: 0\n        },\n            payloadType = 0,\n            payloadSize = 0; // go through the sei_rbsp parsing each each individual sei_message\n\n        while (i < bytes.byteLength) {\n          // stop once we have hit the end of the sei_rbsp\n          if (bytes[i] === RBSP_TRAILING_BITS) {\n            break;\n          } // Parse payload type\n\n\n          while (bytes[i] === 0xFF) {\n            payloadType += 255;\n            i++;\n          }\n\n          payloadType += bytes[i++]; // Parse payload size\n\n          while (bytes[i] === 0xFF) {\n            payloadSize += 255;\n            i++;\n          }\n\n          payloadSize += bytes[i++]; // this sei_message is a 608/708 caption so save it and break\n          // there can only ever be one caption message in a frame's sei\n\n          if (!result.payload && payloadType === USER_DATA_REGISTERED_ITU_T_T35) {\n            result.payloadType = payloadType;\n            result.payloadSize = payloadSize;\n            result.payload = bytes.subarray(i, i + payloadSize);\n            break;\n          } // skip the payload and parse the next message\n\n\n          i += payloadSize;\n          payloadType = 0;\n          payloadSize = 0;\n        }\n\n        return result;\n      }; // see ANSI/SCTE 128-1 (2013), section 8.1\n\n\n      var parseUserData = function parseUserData(sei) {\n        // itu_t_t35_contry_code must be 181 (United States) for\n        // captions\n        if (sei.payload[0] !== 181) {\n          return null;\n        } // itu_t_t35_provider_code should be 49 (ATSC) for captions\n\n\n        if ((sei.payload[1] << 8 | sei.payload[2]) !== 49) {\n          return null;\n        } // the user_identifier should be \"GA94\" to indicate ATSC1 data\n\n\n        if (String.fromCharCode(sei.payload[3], sei.payload[4], sei.payload[5], sei.payload[6]) !== 'GA94') {\n          return null;\n        } // finally, user_data_type_code should be 0x03 for caption data\n\n\n        if (sei.payload[7] !== 0x03) {\n          return null;\n        } // return the user_data_type_structure and strip the trailing\n        // marker bits\n\n\n        return sei.payload.subarray(8, sei.payload.length - 1);\n      }; // see CEA-708-D, section 4.4\n\n\n      var parseCaptionPackets = function parseCaptionPackets(pts, userData) {\n        var results = [],\n            i,\n            count,\n            offset,\n            data; // if this is just filler, return immediately\n\n        if (!(userData[0] & 0x40)) {\n          return results;\n        } // parse out the cc_data_1 and cc_data_2 fields\n\n\n        count = userData[0] & 0x1f;\n\n        for (i = 0; i < count; i++) {\n          offset = i * 3;\n          data = {\n            type: userData[offset + 2] & 0x03,\n            pts: pts\n          }; // capture cc data when cc_valid is 1\n\n          if (userData[offset + 2] & 0x04) {\n            data.ccData = userData[offset + 3] << 8 | userData[offset + 4];\n            results.push(data);\n          }\n        }\n\n        return results;\n      };\n\n      var discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n        var length = data.byteLength,\n            emulationPreventionBytesPositions = [],\n            i = 1,\n            newLength,\n            newData; // Find all `Emulation Prevention Bytes`\n\n        while (i < length - 2) {\n          if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n            emulationPreventionBytesPositions.push(i + 2);\n            i += 2;\n          } else {\n            i++;\n          }\n        } // If no Emulation Prevention Bytes were found just return the original\n        // array\n\n\n        if (emulationPreventionBytesPositions.length === 0) {\n          return data;\n        } // Create a new array to hold the NAL unit data\n\n\n        newLength = length - emulationPreventionBytesPositions.length;\n        newData = new Uint8Array(newLength);\n        var sourceIndex = 0;\n\n        for (i = 0; i < newLength; sourceIndex++, i++) {\n          if (sourceIndex === emulationPreventionBytesPositions[0]) {\n            // Skip this byte\n            sourceIndex++; // Remove this position index\n\n            emulationPreventionBytesPositions.shift();\n          }\n\n          newData[i] = data[sourceIndex];\n        }\n\n        return newData;\n      }; // exports\n\n\n      var captionPacketParser = {\n        parseSei: parseSei,\n        parseUserData: parseUserData,\n        parseCaptionPackets: parseCaptionPackets,\n        discardEmulationPreventionBytes: discardEmulationPreventionBytes,\n        USER_DATA_REGISTERED_ITU_T_T35: USER_DATA_REGISTERED_ITU_T_T35\n      }; // -----------------\n      // Link To Transport\n      // -----------------\n\n      var CaptionStream = function CaptionStream() {\n        CaptionStream.prototype.init.call(this);\n        this.captionPackets_ = [];\n        this.ccStreams_ = [new Cea608Stream(0, 0), // eslint-disable-line no-use-before-define\n        new Cea608Stream(0, 1), // eslint-disable-line no-use-before-define\n        new Cea608Stream(1, 0), // eslint-disable-line no-use-before-define\n        new Cea608Stream(1, 1) // eslint-disable-line no-use-before-define\n        ];\n        this.reset(); // forward data and done events from CCs to this CaptionStream\n\n        this.ccStreams_.forEach(function (cc) {\n          cc.on('data', this.trigger.bind(this, 'data'));\n          cc.on('partialdone', this.trigger.bind(this, 'partialdone'));\n          cc.on('done', this.trigger.bind(this, 'done'));\n        }, this);\n      };\n\n      CaptionStream.prototype = new stream();\n\n      CaptionStream.prototype.push = function (event) {\n        var sei, userData, newCaptionPackets; // only examine SEI NALs\n\n        if (event.nalUnitType !== 'sei_rbsp') {\n          return;\n        } // parse the sei\n\n\n        sei = captionPacketParser.parseSei(event.escapedRBSP); // ignore everything but user_data_registered_itu_t_t35\n\n        if (sei.payloadType !== captionPacketParser.USER_DATA_REGISTERED_ITU_T_T35) {\n          return;\n        } // parse out the user data payload\n\n\n        userData = captionPacketParser.parseUserData(sei); // ignore unrecognized userData\n\n        if (!userData) {\n          return;\n        } // Sometimes, the same segment # will be downloaded twice. To stop the\n        // caption data from being processed twice, we track the latest dts we've\n        // received and ignore everything with a dts before that. However, since\n        // data for a specific dts can be split across packets on either side of\n        // a segment boundary, we need to make sure we *don't* ignore the packets\n        // from the *next* segment that have dts === this.latestDts_. By constantly\n        // tracking the number of packets received with dts === this.latestDts_, we\n        // know how many should be ignored once we start receiving duplicates.\n\n\n        if (event.dts < this.latestDts_) {\n          // We've started getting older data, so set the flag.\n          this.ignoreNextEqualDts_ = true;\n          return;\n        } else if (event.dts === this.latestDts_ && this.ignoreNextEqualDts_) {\n          this.numSameDts_--;\n\n          if (!this.numSameDts_) {\n            // We've received the last duplicate packet, time to start processing again\n            this.ignoreNextEqualDts_ = false;\n          }\n\n          return;\n        } // parse out CC data packets and save them for later\n\n\n        newCaptionPackets = captionPacketParser.parseCaptionPackets(event.pts, userData);\n        this.captionPackets_ = this.captionPackets_.concat(newCaptionPackets);\n\n        if (this.latestDts_ !== event.dts) {\n          this.numSameDts_ = 0;\n        }\n\n        this.numSameDts_++;\n        this.latestDts_ = event.dts;\n      };\n\n      CaptionStream.prototype.flushCCStreams = function (flushType) {\n        this.ccStreams_.forEach(function (cc) {\n          return flushType === 'flush' ? cc.flush() : cc.partialFlush();\n        }, this);\n      };\n\n      CaptionStream.prototype.flushStream = function (flushType) {\n        // make sure we actually parsed captions before proceeding\n        if (!this.captionPackets_.length) {\n          this.flushCCStreams(flushType);\n          return;\n        } // In Chrome, the Array#sort function is not stable so add a\n        // presortIndex that we can use to ensure we get a stable-sort\n\n\n        this.captionPackets_.forEach(function (elem, idx) {\n          elem.presortIndex = idx;\n        }); // sort caption byte-pairs based on their PTS values\n\n        this.captionPackets_.sort(function (a, b) {\n          if (a.pts === b.pts) {\n            return a.presortIndex - b.presortIndex;\n          }\n\n          return a.pts - b.pts;\n        });\n        this.captionPackets_.forEach(function (packet) {\n          if (packet.type < 2) {\n            // Dispatch packet to the right Cea608Stream\n            this.dispatchCea608Packet(packet);\n          } // this is where an 'else' would go for a dispatching packets\n          // to a theoretical Cea708Stream that handles SERVICEn data\n\n        }, this);\n        this.captionPackets_.length = 0;\n        this.flushCCStreams(flushType);\n      };\n\n      CaptionStream.prototype.flush = function () {\n        return this.flushStream('flush');\n      }; // Only called if handling partial data\n\n\n      CaptionStream.prototype.partialFlush = function () {\n        return this.flushStream('partialFlush');\n      };\n\n      CaptionStream.prototype.reset = function () {\n        this.latestDts_ = null;\n        this.ignoreNextEqualDts_ = false;\n        this.numSameDts_ = 0;\n        this.activeCea608Channel_ = [null, null];\n        this.ccStreams_.forEach(function (ccStream) {\n          ccStream.reset();\n        });\n      }; // From the CEA-608 spec:\n\n      /*\n       * When XDS sub-packets are interleaved with other services, the end of each sub-packet shall be followed\n       * by a control pair to change to a different service. When any of the control codes from 0x10 to 0x1F is\n       * used to begin a control code pair, it indicates the return to captioning or Text data. The control code pair\n       * and subsequent data should then be processed according to the FCC rules. It may be necessary for the\n       * line 21 data encoder to automatically insert a control code pair (i.e. RCL, RU2, RU3, RU4, RDC, or RTD)\n       * to switch to captioning or Text.\n      */\n      // With that in mind, we ignore any data between an XDS control code and a\n      // subsequent closed-captioning control code.\n\n\n      CaptionStream.prototype.dispatchCea608Packet = function (packet) {\n        // NOTE: packet.type is the CEA608 field\n        if (this.setsTextOrXDSActive(packet)) {\n          this.activeCea608Channel_[packet.type] = null;\n        } else if (this.setsChannel1Active(packet)) {\n          this.activeCea608Channel_[packet.type] = 0;\n        } else if (this.setsChannel2Active(packet)) {\n          this.activeCea608Channel_[packet.type] = 1;\n        }\n\n        if (this.activeCea608Channel_[packet.type] === null) {\n          // If we haven't received anything to set the active channel, or the\n          // packets are Text/XDS data, discard the data; we don't want jumbled\n          // captions\n          return;\n        }\n\n        this.ccStreams_[(packet.type << 1) + this.activeCea608Channel_[packet.type]].push(packet);\n      };\n\n      CaptionStream.prototype.setsChannel1Active = function (packet) {\n        return (packet.ccData & 0x7800) === 0x1000;\n      };\n\n      CaptionStream.prototype.setsChannel2Active = function (packet) {\n        return (packet.ccData & 0x7800) === 0x1800;\n      };\n\n      CaptionStream.prototype.setsTextOrXDSActive = function (packet) {\n        return (packet.ccData & 0x7100) === 0x0100 || (packet.ccData & 0x78fe) === 0x102a || (packet.ccData & 0x78fe) === 0x182a;\n      }; // ----------------------\n      // Session to Application\n      // ----------------------\n      // This hash maps non-ASCII, special, and extended character codes to their\n      // proper Unicode equivalent. The first keys that are only a single byte\n      // are the non-standard ASCII characters, which simply map the CEA608 byte\n      // to the standard ASCII/Unicode. The two-byte keys that follow are the CEA608\n      // character codes, but have their MSB bitmasked with 0x03 so that a lookup\n      // can be performed regardless of the field and data channel on which the\n      // character code was received.\n\n\n      var CHARACTER_TRANSLATION = {\n        0x2a: 0xe1,\n        // á\n        0x5c: 0xe9,\n        // é\n        0x5e: 0xed,\n        // í\n        0x5f: 0xf3,\n        // ó\n        0x60: 0xfa,\n        // ú\n        0x7b: 0xe7,\n        // ç\n        0x7c: 0xf7,\n        // ÷\n        0x7d: 0xd1,\n        // Ñ\n        0x7e: 0xf1,\n        // ñ\n        0x7f: 0x2588,\n        // █\n        0x0130: 0xae,\n        // ®\n        0x0131: 0xb0,\n        // °\n        0x0132: 0xbd,\n        // ½\n        0x0133: 0xbf,\n        // ¿\n        0x0134: 0x2122,\n        // ™\n        0x0135: 0xa2,\n        // ¢\n        0x0136: 0xa3,\n        // £\n        0x0137: 0x266a,\n        // ♪\n        0x0138: 0xe0,\n        // à\n        0x0139: 0xa0,\n        //\n        0x013a: 0xe8,\n        // è\n        0x013b: 0xe2,\n        // â\n        0x013c: 0xea,\n        // ê\n        0x013d: 0xee,\n        // î\n        0x013e: 0xf4,\n        // ô\n        0x013f: 0xfb,\n        // û\n        0x0220: 0xc1,\n        // Á\n        0x0221: 0xc9,\n        // É\n        0x0222: 0xd3,\n        // Ó\n        0x0223: 0xda,\n        // Ú\n        0x0224: 0xdc,\n        // Ü\n        0x0225: 0xfc,\n        // ü\n        0x0226: 0x2018,\n        // ‘\n        0x0227: 0xa1,\n        // ¡\n        0x0228: 0x2a,\n        // *\n        0x0229: 0x27,\n        // '\n        0x022a: 0x2014,\n        // —\n        0x022b: 0xa9,\n        // ©\n        0x022c: 0x2120,\n        // ℠\n        0x022d: 0x2022,\n        // •\n        0x022e: 0x201c,\n        // “\n        0x022f: 0x201d,\n        // ”\n        0x0230: 0xc0,\n        // À\n        0x0231: 0xc2,\n        // Â\n        0x0232: 0xc7,\n        // Ç\n        0x0233: 0xc8,\n        // È\n        0x0234: 0xca,\n        // Ê\n        0x0235: 0xcb,\n        // Ë\n        0x0236: 0xeb,\n        // ë\n        0x0237: 0xce,\n        // Î\n        0x0238: 0xcf,\n        // Ï\n        0x0239: 0xef,\n        // ï\n        0x023a: 0xd4,\n        // Ô\n        0x023b: 0xd9,\n        // Ù\n        0x023c: 0xf9,\n        // ù\n        0x023d: 0xdb,\n        // Û\n        0x023e: 0xab,\n        // «\n        0x023f: 0xbb,\n        // »\n        0x0320: 0xc3,\n        // Ã\n        0x0321: 0xe3,\n        // ã\n        0x0322: 0xcd,\n        // Í\n        0x0323: 0xcc,\n        // Ì\n        0x0324: 0xec,\n        // ì\n        0x0325: 0xd2,\n        // Ò\n        0x0326: 0xf2,\n        // ò\n        0x0327: 0xd5,\n        // Õ\n        0x0328: 0xf5,\n        // õ\n        0x0329: 0x7b,\n        // {\n        0x032a: 0x7d,\n        // }\n        0x032b: 0x5c,\n        // \\\n        0x032c: 0x5e,\n        // ^\n        0x032d: 0x5f,\n        // _\n        0x032e: 0x7c,\n        // |\n        0x032f: 0x7e,\n        // ~\n        0x0330: 0xc4,\n        // Ä\n        0x0331: 0xe4,\n        // ä\n        0x0332: 0xd6,\n        // Ö\n        0x0333: 0xf6,\n        // ö\n        0x0334: 0xdf,\n        // ß\n        0x0335: 0xa5,\n        // ¥\n        0x0336: 0xa4,\n        // ¤\n        0x0337: 0x2502,\n        // │\n        0x0338: 0xc5,\n        // Å\n        0x0339: 0xe5,\n        // å\n        0x033a: 0xd8,\n        // Ø\n        0x033b: 0xf8,\n        // ø\n        0x033c: 0x250c,\n        // ┌\n        0x033d: 0x2510,\n        // ┐\n        0x033e: 0x2514,\n        // └\n        0x033f: 0x2518 // ┘\n\n      };\n\n      var getCharFromCode = function getCharFromCode(code) {\n        if (code === null) {\n          return '';\n        }\n\n        code = CHARACTER_TRANSLATION[code] || code;\n        return String.fromCharCode(code);\n      }; // the index of the last row in a CEA-608 display buffer\n\n\n      var BOTTOM_ROW = 14; // This array is used for mapping PACs -> row #, since there's no way of\n      // getting it through bit logic.\n\n      var ROWS = [0x1100, 0x1120, 0x1200, 0x1220, 0x1500, 0x1520, 0x1600, 0x1620, 0x1700, 0x1720, 0x1000, 0x1300, 0x1320, 0x1400, 0x1420]; // CEA-608 captions are rendered onto a 34x15 matrix of character\n      // cells. The \"bottom\" row is the last element in the outer array.\n\n      var createDisplayBuffer = function createDisplayBuffer() {\n        var result = [],\n            i = BOTTOM_ROW + 1;\n\n        while (i--) {\n          result.push('');\n        }\n\n        return result;\n      };\n\n      var Cea608Stream = function Cea608Stream(field, dataChannel) {\n        Cea608Stream.prototype.init.call(this);\n        this.field_ = field || 0;\n        this.dataChannel_ = dataChannel || 0;\n        this.name_ = 'CC' + ((this.field_ << 1 | this.dataChannel_) + 1);\n        this.setConstants();\n        this.reset();\n\n        this.push = function (packet) {\n          var data, swap, char0, char1, text; // remove the parity bits\n\n          data = packet.ccData & 0x7f7f; // ignore duplicate control codes; the spec demands they're sent twice\n\n          if (data === this.lastControlCode_) {\n            this.lastControlCode_ = null;\n            return;\n          } // Store control codes\n\n\n          if ((data & 0xf000) === 0x1000) {\n            this.lastControlCode_ = data;\n          } else if (data !== this.PADDING_) {\n            this.lastControlCode_ = null;\n          }\n\n          char0 = data >>> 8;\n          char1 = data & 0xff;\n\n          if (data === this.PADDING_) {\n            return;\n          } else if (data === this.RESUME_CAPTION_LOADING_) {\n            this.mode_ = 'popOn';\n          } else if (data === this.END_OF_CAPTION_) {\n            // If an EOC is received while in paint-on mode, the displayed caption\n            // text should be swapped to non-displayed memory as if it was a pop-on\n            // caption. Because of that, we should explicitly switch back to pop-on\n            // mode\n            this.mode_ = 'popOn';\n            this.clearFormatting(packet.pts); // if a caption was being displayed, it's gone now\n\n            this.flushDisplayed(packet.pts); // flip memory\n\n            swap = this.displayed_;\n            this.displayed_ = this.nonDisplayed_;\n            this.nonDisplayed_ = swap; // start measuring the time to display the caption\n\n            this.startPts_ = packet.pts;\n          } else if (data === this.ROLL_UP_2_ROWS_) {\n            this.rollUpRows_ = 2;\n            this.setRollUp(packet.pts);\n          } else if (data === this.ROLL_UP_3_ROWS_) {\n            this.rollUpRows_ = 3;\n            this.setRollUp(packet.pts);\n          } else if (data === this.ROLL_UP_4_ROWS_) {\n            this.rollUpRows_ = 4;\n            this.setRollUp(packet.pts);\n          } else if (data === this.CARRIAGE_RETURN_) {\n            this.clearFormatting(packet.pts);\n            this.flushDisplayed(packet.pts);\n            this.shiftRowsUp_();\n            this.startPts_ = packet.pts;\n          } else if (data === this.BACKSPACE_) {\n            if (this.mode_ === 'popOn') {\n              this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n            } else {\n              this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n            }\n          } else if (data === this.ERASE_DISPLAYED_MEMORY_) {\n            this.flushDisplayed(packet.pts);\n            this.displayed_ = createDisplayBuffer();\n          } else if (data === this.ERASE_NON_DISPLAYED_MEMORY_) {\n            this.nonDisplayed_ = createDisplayBuffer();\n          } else if (data === this.RESUME_DIRECT_CAPTIONING_) {\n            if (this.mode_ !== 'paintOn') {\n              // NOTE: This should be removed when proper caption positioning is\n              // implemented\n              this.flushDisplayed(packet.pts);\n              this.displayed_ = createDisplayBuffer();\n            }\n\n            this.mode_ = 'paintOn';\n            this.startPts_ = packet.pts; // Append special characters to caption text\n          } else if (this.isSpecialCharacter(char0, char1)) {\n            // Bitmask char0 so that we can apply character transformations\n            // regardless of field and data channel.\n            // Then byte-shift to the left and OR with char1 so we can pass the\n            // entire character code to `getCharFromCode`.\n            char0 = (char0 & 0x03) << 8;\n            text = getCharFromCode(char0 | char1);\n            this[this.mode_](packet.pts, text);\n            this.column_++; // Append extended characters to caption text\n          } else if (this.isExtCharacter(char0, char1)) {\n            // Extended characters always follow their \"non-extended\" equivalents.\n            // IE if a \"è\" is desired, you'll always receive \"eè\"; non-compliant\n            // decoders are supposed to drop the \"è\", while compliant decoders\n            // backspace the \"e\" and insert \"è\".\n            // Delete the previous character\n            if (this.mode_ === 'popOn') {\n              this.nonDisplayed_[this.row_] = this.nonDisplayed_[this.row_].slice(0, -1);\n            } else {\n              this.displayed_[this.row_] = this.displayed_[this.row_].slice(0, -1);\n            } // Bitmask char0 so that we can apply character transformations\n            // regardless of field and data channel.\n            // Then byte-shift to the left and OR with char1 so we can pass the\n            // entire character code to `getCharFromCode`.\n\n\n            char0 = (char0 & 0x03) << 8;\n            text = getCharFromCode(char0 | char1);\n            this[this.mode_](packet.pts, text);\n            this.column_++; // Process mid-row codes\n          } else if (this.isMidRowCode(char0, char1)) {\n            // Attributes are not additive, so clear all formatting\n            this.clearFormatting(packet.pts); // According to the standard, mid-row codes\n            // should be replaced with spaces, so add one now\n\n            this[this.mode_](packet.pts, ' ');\n            this.column_++;\n\n            if ((char1 & 0xe) === 0xe) {\n              this.addFormatting(packet.pts, ['i']);\n            }\n\n            if ((char1 & 0x1) === 0x1) {\n              this.addFormatting(packet.pts, ['u']);\n            } // Detect offset control codes and adjust cursor\n\n          } else if (this.isOffsetControlCode(char0, char1)) {\n            // Cursor position is set by indent PAC (see below) in 4-column\n            // increments, with an additional offset code of 1-3 to reach any\n            // of the 32 columns specified by CEA-608. So all we need to do\n            // here is increment the column cursor by the given offset.\n            this.column_ += char1 & 0x03; // Detect PACs (Preamble Address Codes)\n          } else if (this.isPAC(char0, char1)) {\n            // There's no logic for PAC -> row mapping, so we have to just\n            // find the row code in an array and use its index :(\n            var row = ROWS.indexOf(data & 0x1f20); // Configure the caption window if we're in roll-up mode\n\n            if (this.mode_ === 'rollUp') {\n              // This implies that the base row is incorrectly set.\n              // As per the recommendation in CEA-608(Base Row Implementation), defer to the number\n              // of roll-up rows set.\n              if (row - this.rollUpRows_ + 1 < 0) {\n                row = this.rollUpRows_ - 1;\n              }\n\n              this.setRollUp(packet.pts, row);\n            }\n\n            if (row !== this.row_) {\n              // formatting is only persistent for current row\n              this.clearFormatting(packet.pts);\n              this.row_ = row;\n            } // All PACs can apply underline, so detect and apply\n            // (All odd-numbered second bytes set underline)\n\n\n            if (char1 & 0x1 && this.formatting_.indexOf('u') === -1) {\n              this.addFormatting(packet.pts, ['u']);\n            }\n\n            if ((data & 0x10) === 0x10) {\n              // We've got an indent level code. Each successive even number\n              // increments the column cursor by 4, so we can get the desired\n              // column position by bit-shifting to the right (to get n/2)\n              // and multiplying by 4.\n              this.column_ = ((data & 0xe) >> 1) * 4;\n            }\n\n            if (this.isColorPAC(char1)) {\n              // it's a color code, though we only support white, which\n              // can be either normal or italicized. white italics can be\n              // either 0x4e or 0x6e depending on the row, so we just\n              // bitwise-and with 0xe to see if italics should be turned on\n              if ((char1 & 0xe) === 0xe) {\n                this.addFormatting(packet.pts, ['i']);\n              }\n            } // We have a normal character in char0, and possibly one in char1\n\n          } else if (this.isNormalChar(char0)) {\n            if (char1 === 0x00) {\n              char1 = null;\n            }\n\n            text = getCharFromCode(char0);\n            text += getCharFromCode(char1);\n            this[this.mode_](packet.pts, text);\n            this.column_ += text.length;\n          } // finish data processing\n\n        };\n      };\n\n      Cea608Stream.prototype = new stream(); // Trigger a cue point that captures the current state of the\n      // display buffer\n\n      Cea608Stream.prototype.flushDisplayed = function (pts) {\n        var content = this.displayed_ // remove spaces from the start and end of the string\n        .map(function (row) {\n          try {\n            return row.trim();\n          } catch (e) {\n            // Ordinarily, this shouldn't happen. However, caption\n            // parsing errors should not throw exceptions and\n            // break playback.\n            // eslint-disable-next-line no-console\n            console.error('Skipping malformed caption.');\n            return '';\n          }\n        }) // combine all text rows to display in one cue\n        .join('\\n') // and remove blank rows from the start and end, but not the middle\n        .replace(/^\\n+|\\n+$/g, '');\n\n        if (content.length) {\n          this.trigger('data', {\n            startPts: this.startPts_,\n            endPts: pts,\n            text: content,\n            stream: this.name_\n          });\n        }\n      };\n      /**\n       * Zero out the data, used for startup and on seek\n       */\n\n\n      Cea608Stream.prototype.reset = function () {\n        this.mode_ = 'popOn'; // When in roll-up mode, the index of the last row that will\n        // actually display captions. If a caption is shifted to a row\n        // with a lower index than this, it is cleared from the display\n        // buffer\n\n        this.topRow_ = 0;\n        this.startPts_ = 0;\n        this.displayed_ = createDisplayBuffer();\n        this.nonDisplayed_ = createDisplayBuffer();\n        this.lastControlCode_ = null; // Track row and column for proper line-breaking and spacing\n\n        this.column_ = 0;\n        this.row_ = BOTTOM_ROW;\n        this.rollUpRows_ = 2; // This variable holds currently-applied formatting\n\n        this.formatting_ = [];\n      };\n      /**\n       * Sets up control code and related constants for this instance\n       */\n\n\n      Cea608Stream.prototype.setConstants = function () {\n        // The following attributes have these uses:\n        // ext_ :    char0 for mid-row codes, and the base for extended\n        //           chars (ext_+0, ext_+1, and ext_+2 are char0s for\n        //           extended codes)\n        // control_: char0 for control codes, except byte-shifted to the\n        //           left so that we can do this.control_ | CONTROL_CODE\n        // offset_:  char0 for tab offset codes\n        //\n        // It's also worth noting that control codes, and _only_ control codes,\n        // differ between field 1 and field2. Field 2 control codes are always\n        // their field 1 value plus 1. That's why there's the \"| field\" on the\n        // control value.\n        if (this.dataChannel_ === 0) {\n          this.BASE_ = 0x10;\n          this.EXT_ = 0x11;\n          this.CONTROL_ = (0x14 | this.field_) << 8;\n          this.OFFSET_ = 0x17;\n        } else if (this.dataChannel_ === 1) {\n          this.BASE_ = 0x18;\n          this.EXT_ = 0x19;\n          this.CONTROL_ = (0x1c | this.field_) << 8;\n          this.OFFSET_ = 0x1f;\n        } // Constants for the LSByte command codes recognized by Cea608Stream. This\n        // list is not exhaustive. For a more comprehensive listing and semantics see\n        // http://www.gpo.gov/fdsys/pkg/CFR-2010-title47-vol1/pdf/CFR-2010-title47-vol1-sec15-119.pdf\n        // Padding\n\n\n        this.PADDING_ = 0x0000; // Pop-on Mode\n\n        this.RESUME_CAPTION_LOADING_ = this.CONTROL_ | 0x20;\n        this.END_OF_CAPTION_ = this.CONTROL_ | 0x2f; // Roll-up Mode\n\n        this.ROLL_UP_2_ROWS_ = this.CONTROL_ | 0x25;\n        this.ROLL_UP_3_ROWS_ = this.CONTROL_ | 0x26;\n        this.ROLL_UP_4_ROWS_ = this.CONTROL_ | 0x27;\n        this.CARRIAGE_RETURN_ = this.CONTROL_ | 0x2d; // paint-on mode\n\n        this.RESUME_DIRECT_CAPTIONING_ = this.CONTROL_ | 0x29; // Erasure\n\n        this.BACKSPACE_ = this.CONTROL_ | 0x21;\n        this.ERASE_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2c;\n        this.ERASE_NON_DISPLAYED_MEMORY_ = this.CONTROL_ | 0x2e;\n      };\n      /**\n       * Detects if the 2-byte packet data is a special character\n       *\n       * Special characters have a second byte in the range 0x30 to 0x3f,\n       * with the first byte being 0x11 (for data channel 1) or 0x19 (for\n       * data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an special character\n       */\n\n\n      Cea608Stream.prototype.isSpecialCharacter = function (char0, char1) {\n        return char0 === this.EXT_ && char1 >= 0x30 && char1 <= 0x3f;\n      };\n      /**\n       * Detects if the 2-byte packet data is an extended character\n       *\n       * Extended characters have a second byte in the range 0x20 to 0x3f,\n       * with the first byte being 0x12 or 0x13 (for data channel 1) or\n       * 0x1a or 0x1b (for data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an extended character\n       */\n\n\n      Cea608Stream.prototype.isExtCharacter = function (char0, char1) {\n        return (char0 === this.EXT_ + 1 || char0 === this.EXT_ + 2) && char1 >= 0x20 && char1 <= 0x3f;\n      };\n      /**\n       * Detects if the 2-byte packet is a mid-row code\n       *\n       * Mid-row codes have a second byte in the range 0x20 to 0x2f, with\n       * the first byte being 0x11 (for data channel 1) or 0x19 (for data\n       * channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are a mid-row code\n       */\n\n\n      Cea608Stream.prototype.isMidRowCode = function (char0, char1) {\n        return char0 === this.EXT_ && char1 >= 0x20 && char1 <= 0x2f;\n      };\n      /**\n       * Detects if the 2-byte packet is an offset control code\n       *\n       * Offset control codes have a second byte in the range 0x21 to 0x23,\n       * with the first byte being 0x17 (for data channel 1) or 0x1f (for\n       * data channel 2).\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are an offset control code\n       */\n\n\n      Cea608Stream.prototype.isOffsetControlCode = function (char0, char1) {\n        return char0 === this.OFFSET_ && char1 >= 0x21 && char1 <= 0x23;\n      };\n      /**\n       * Detects if the 2-byte packet is a Preamble Address Code\n       *\n       * PACs have a first byte in the range 0x10 to 0x17 (for data channel 1)\n       * or 0x18 to 0x1f (for data channel 2), with the second byte in the\n       * range 0x40 to 0x7f.\n       *\n       * @param  {Integer} char0 The first byte\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the 2 bytes are a PAC\n       */\n\n\n      Cea608Stream.prototype.isPAC = function (char0, char1) {\n        return char0 >= this.BASE_ && char0 < this.BASE_ + 8 && char1 >= 0x40 && char1 <= 0x7f;\n      };\n      /**\n       * Detects if a packet's second byte is in the range of a PAC color code\n       *\n       * PAC color codes have the second byte be in the range 0x40 to 0x4f, or\n       * 0x60 to 0x6f.\n       *\n       * @param  {Integer} char1 The second byte\n       * @return {Boolean}       Whether the byte is a color PAC\n       */\n\n\n      Cea608Stream.prototype.isColorPAC = function (char1) {\n        return char1 >= 0x40 && char1 <= 0x4f || char1 >= 0x60 && char1 <= 0x7f;\n      };\n      /**\n       * Detects if a single byte is in the range of a normal character\n       *\n       * Normal text bytes are in the range 0x20 to 0x7f.\n       *\n       * @param  {Integer} char  The byte\n       * @return {Boolean}       Whether the byte is a normal character\n       */\n\n\n      Cea608Stream.prototype.isNormalChar = function (_char) {\n        return _char >= 0x20 && _char <= 0x7f;\n      };\n      /**\n       * Configures roll-up\n       *\n       * @param  {Integer} pts         Current PTS\n       * @param  {Integer} newBaseRow  Used by PACs to slide the current window to\n       *                               a new position\n       */\n\n\n      Cea608Stream.prototype.setRollUp = function (pts, newBaseRow) {\n        // Reset the base row to the bottom row when switching modes\n        if (this.mode_ !== 'rollUp') {\n          this.row_ = BOTTOM_ROW;\n          this.mode_ = 'rollUp'; // Spec says to wipe memories when switching to roll-up\n\n          this.flushDisplayed(pts);\n          this.nonDisplayed_ = createDisplayBuffer();\n          this.displayed_ = createDisplayBuffer();\n        }\n\n        if (newBaseRow !== undefined && newBaseRow !== this.row_) {\n          // move currently displayed captions (up or down) to the new base row\n          for (var i = 0; i < this.rollUpRows_; i++) {\n            this.displayed_[newBaseRow - i] = this.displayed_[this.row_ - i];\n            this.displayed_[this.row_ - i] = '';\n          }\n        }\n\n        if (newBaseRow === undefined) {\n          newBaseRow = this.row_;\n        }\n\n        this.topRow_ = newBaseRow - this.rollUpRows_ + 1;\n      }; // Adds the opening HTML tag for the passed character to the caption text,\n      // and keeps track of it for later closing\n\n\n      Cea608Stream.prototype.addFormatting = function (pts, format) {\n        this.formatting_ = this.formatting_.concat(format);\n        var text = format.reduce(function (text, format) {\n          return text + '<' + format + '>';\n        }, '');\n        this[this.mode_](pts, text);\n      }; // Adds HTML closing tags for current formatting to caption text and\n      // clears remembered formatting\n\n\n      Cea608Stream.prototype.clearFormatting = function (pts) {\n        if (!this.formatting_.length) {\n          return;\n        }\n\n        var text = this.formatting_.reverse().reduce(function (text, format) {\n          return text + '</' + format + '>';\n        }, '');\n        this.formatting_ = [];\n        this[this.mode_](pts, text);\n      }; // Mode Implementations\n\n\n      Cea608Stream.prototype.popOn = function (pts, text) {\n        var baseRow = this.nonDisplayed_[this.row_]; // buffer characters\n\n        baseRow += text;\n        this.nonDisplayed_[this.row_] = baseRow;\n      };\n\n      Cea608Stream.prototype.rollUp = function (pts, text) {\n        var baseRow = this.displayed_[this.row_];\n        baseRow += text;\n        this.displayed_[this.row_] = baseRow;\n      };\n\n      Cea608Stream.prototype.shiftRowsUp_ = function () {\n        var i; // clear out inactive rows\n\n        for (i = 0; i < this.topRow_; i++) {\n          this.displayed_[i] = '';\n        }\n\n        for (i = this.row_ + 1; i < BOTTOM_ROW + 1; i++) {\n          this.displayed_[i] = '';\n        } // shift displayed rows up\n\n\n        for (i = this.topRow_; i < this.row_; i++) {\n          this.displayed_[i] = this.displayed_[i + 1];\n        } // clear out the bottom row\n\n\n        this.displayed_[this.row_] = '';\n      };\n\n      Cea608Stream.prototype.paintOn = function (pts, text) {\n        var baseRow = this.displayed_[this.row_];\n        baseRow += text;\n        this.displayed_[this.row_] = baseRow;\n      }; // exports\n\n\n      var captionStream = {\n        CaptionStream: CaptionStream,\n        Cea608Stream: Cea608Stream\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var streamTypes = {\n        H264_STREAM_TYPE: 0x1B,\n        ADTS_STREAM_TYPE: 0x0F,\n        METADATA_STREAM_TYPE: 0x15\n      };\n      var MAX_TS = 8589934592;\n      var RO_THRESH = 4294967296;\n      var TYPE_SHARED = 'shared';\n\n      var handleRollover = function handleRollover(value, reference) {\n        var direction = 1;\n\n        if (value > reference) {\n          // If the current timestamp value is greater than our reference timestamp and we detect a\n          // timestamp rollover, this means the roll over is happening in the opposite direction.\n          // Example scenario: Enter a long stream/video just after a rollover occurred. The reference\n          // point will be set to a small number, e.g. 1. The user then seeks backwards over the\n          // rollover point. In loading this segment, the timestamp values will be very large,\n          // e.g. 2^33 - 1. Since this comes before the data we loaded previously, we want to adjust\n          // the time stamp to be `value - 2^33`.\n          direction = -1;\n        } // Note: A seek forwards or back that is greater than the RO_THRESH (2^32, ~13 hours) will\n        // cause an incorrect adjustment.\n\n\n        while (Math.abs(reference - value) > RO_THRESH) {\n          value += direction * MAX_TS;\n        }\n\n        return value;\n      };\n\n      var TimestampRolloverStream = function TimestampRolloverStream(type) {\n        var lastDTS, referenceDTS;\n        TimestampRolloverStream.prototype.init.call(this); // The \"shared\" type is used in cases where a stream will contain muxed\n        // video and audio. We could use `undefined` here, but having a string\n        // makes debugging a little clearer.\n\n        this.type_ = type || TYPE_SHARED;\n\n        this.push = function (data) {\n          // Any \"shared\" rollover streams will accept _all_ data. Otherwise,\n          // streams will only accept data that matches their type.\n          if (this.type_ !== TYPE_SHARED && data.type !== this.type_) {\n            return;\n          }\n\n          if (referenceDTS === undefined) {\n            referenceDTS = data.dts;\n          }\n\n          data.dts = handleRollover(data.dts, referenceDTS);\n          data.pts = handleRollover(data.pts, referenceDTS);\n          lastDTS = data.dts;\n          this.trigger('data', data);\n        };\n\n        this.flush = function () {\n          referenceDTS = lastDTS;\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n\n        this.discontinuity = function () {\n          referenceDTS = void 0;\n          lastDTS = void 0;\n        };\n\n        this.reset = function () {\n          this.discontinuity();\n          this.trigger('reset');\n        };\n      };\n\n      TimestampRolloverStream.prototype = new stream();\n      var timestampRolloverStream = {\n        TimestampRolloverStream: TimestampRolloverStream,\n        handleRollover: handleRollover\n      };\n\n      var percentEncode = function percentEncode(bytes, start, end) {\n        var i,\n            result = '';\n\n        for (i = start; i < end; i++) {\n          result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n        }\n\n        return result;\n      },\n          // return the string representation of the specified byte range,\n      // interpreted as UTf-8.\n      parseUtf8 = function parseUtf8(bytes, start, end) {\n        return decodeURIComponent(percentEncode(bytes, start, end));\n      },\n          // return the string representation of the specified byte range,\n      // interpreted as ISO-8859-1.\n      parseIso88591 = function parseIso88591(bytes, start, end) {\n        return unescape(percentEncode(bytes, start, end)); // jshint ignore:line\n      },\n          parseSyncSafeInteger = function parseSyncSafeInteger(data) {\n        return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n      },\n          tagParsers = {\n        TXXX: function TXXX(tag) {\n          var i;\n\n          if (tag.data[0] !== 3) {\n            // ignore frames with unrecognized character encodings\n            return;\n          }\n\n          for (i = 1; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the text fields\n              tag.description = parseUtf8(tag.data, 1, i); // do not include the null terminator in the tag value\n\n              tag.value = parseUtf8(tag.data, i + 1, tag.data.length).replace(/\\0*$/, '');\n              break;\n            }\n          }\n\n          tag.data = tag.value;\n        },\n        WXXX: function WXXX(tag) {\n          var i;\n\n          if (tag.data[0] !== 3) {\n            // ignore frames with unrecognized character encodings\n            return;\n          }\n\n          for (i = 1; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the description and URL fields\n              tag.description = parseUtf8(tag.data, 1, i);\n              tag.url = parseUtf8(tag.data, i + 1, tag.data.length);\n              break;\n            }\n          }\n        },\n        PRIV: function PRIV(tag) {\n          var i;\n\n          for (i = 0; i < tag.data.length; i++) {\n            if (tag.data[i] === 0) {\n              // parse the description and URL fields\n              tag.owner = parseIso88591(tag.data, 0, i);\n              break;\n            }\n          }\n\n          tag.privateData = tag.data.subarray(i + 1);\n          tag.data = tag.privateData;\n        }\n      },\n          _MetadataStream;\n\n      _MetadataStream = function MetadataStream(options) {\n        var settings = {\n          debug: !!(options && options.debug),\n          // the bytes of the program-level descriptor field in MP2T\n          // see ISO/IEC 13818-1:2013 (E), section 2.6 \"Program and\n          // program element descriptors\"\n          descriptor: options && options.descriptor\n        },\n            // the total size in bytes of the ID3 tag being parsed\n        tagSize = 0,\n            // tag data that is not complete enough to be parsed\n        buffer = [],\n            // the total number of bytes currently in the buffer\n        bufferSize = 0,\n            i;\n\n        _MetadataStream.prototype.init.call(this); // calculate the text track in-band metadata track dispatch type\n        // https://html.spec.whatwg.org/multipage/embedded-content.html#steps-to-expose-a-media-resource-specific-text-track\n\n\n        this.dispatchType = streamTypes.METADATA_STREAM_TYPE.toString(16);\n\n        if (settings.descriptor) {\n          for (i = 0; i < settings.descriptor.length; i++) {\n            this.dispatchType += ('00' + settings.descriptor[i].toString(16)).slice(-2);\n          }\n        }\n\n        this.push = function (chunk) {\n          var tag, frameStart, frameSize, frame, i, frameHeader;\n\n          if (chunk.type !== 'timed-metadata') {\n            return;\n          } // if data_alignment_indicator is set in the PES header,\n          // we must have the start of a new ID3 tag. Assume anything\n          // remaining in the buffer was malformed and throw it out\n\n\n          if (chunk.dataAlignmentIndicator) {\n            bufferSize = 0;\n            buffer.length = 0;\n          } // ignore events that don't look like ID3 data\n\n\n          if (buffer.length === 0 && (chunk.data.length < 10 || chunk.data[0] !== 'I'.charCodeAt(0) || chunk.data[1] !== 'D'.charCodeAt(0) || chunk.data[2] !== '3'.charCodeAt(0))) {\n            if (settings.debug) {\n              // eslint-disable-next-line no-console\n              console.log('Skipping unrecognized metadata packet');\n            }\n\n            return;\n          } // add this chunk to the data we've collected so far\n\n\n          buffer.push(chunk);\n          bufferSize += chunk.data.byteLength; // grab the size of the entire frame from the ID3 header\n\n          if (buffer.length === 1) {\n            // the frame size is transmitted as a 28-bit integer in the\n            // last four bytes of the ID3 header.\n            // The most significant bit of each byte is dropped and the\n            // results concatenated to recover the actual value.\n            tagSize = parseSyncSafeInteger(chunk.data.subarray(6, 10)); // ID3 reports the tag size excluding the header but it's more\n            // convenient for our comparisons to include it\n\n            tagSize += 10;\n          } // if the entire frame has not arrived, wait for more data\n\n\n          if (bufferSize < tagSize) {\n            return;\n          } // collect the entire frame so it can be parsed\n\n\n          tag = {\n            data: new Uint8Array(tagSize),\n            frames: [],\n            pts: buffer[0].pts,\n            dts: buffer[0].dts\n          };\n\n          for (i = 0; i < tagSize;) {\n            tag.data.set(buffer[0].data.subarray(0, tagSize - i), i);\n            i += buffer[0].data.byteLength;\n            bufferSize -= buffer[0].data.byteLength;\n            buffer.shift();\n          } // find the start of the first frame and the end of the tag\n\n\n          frameStart = 10;\n\n          if (tag.data[5] & 0x40) {\n            // advance the frame start past the extended header\n            frameStart += 4; // header size field\n\n            frameStart += parseSyncSafeInteger(tag.data.subarray(10, 14)); // clip any padding off the end\n\n            tagSize -= parseSyncSafeInteger(tag.data.subarray(16, 20));\n          } // parse one or more ID3 frames\n          // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n          do {\n            // determine the number of bytes in this frame\n            frameSize = parseSyncSafeInteger(tag.data.subarray(frameStart + 4, frameStart + 8));\n\n            if (frameSize < 1) {\n              // eslint-disable-next-line no-console\n              return console.log('Malformed ID3 frame encountered. Skipping metadata parsing.');\n            }\n\n            frameHeader = String.fromCharCode(tag.data[frameStart], tag.data[frameStart + 1], tag.data[frameStart + 2], tag.data[frameStart + 3]);\n            frame = {\n              id: frameHeader,\n              data: tag.data.subarray(frameStart + 10, frameStart + frameSize + 10)\n            };\n            frame.key = frame.id;\n\n            if (tagParsers[frame.id]) {\n              tagParsers[frame.id](frame); // handle the special PRIV frame used to indicate the start\n              // time for raw AAC data\n\n              if (frame.owner === 'com.apple.streaming.transportStreamTimestamp') {\n                var d = frame.data,\n                    size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n                size *= 4;\n                size += d[7] & 0x03;\n                frame.timeStamp = size; // in raw AAC, all subsequent data will be timestamped based\n                // on the value of this frame\n                // we couldn't have known the appropriate pts and dts before\n                // parsing this ID3 tag so set those values now\n\n                if (tag.pts === undefined && tag.dts === undefined) {\n                  tag.pts = frame.timeStamp;\n                  tag.dts = frame.timeStamp;\n                }\n\n                this.trigger('timestamp', frame);\n              }\n            }\n\n            tag.frames.push(frame);\n            frameStart += 10; // advance past the frame header\n\n            frameStart += frameSize; // advance past the frame body\n          } while (frameStart < tagSize);\n\n          this.trigger('data', tag);\n        };\n      };\n\n      _MetadataStream.prototype = new stream();\n      var metadataStream = _MetadataStream;\n      var TimestampRolloverStream$1 = timestampRolloverStream.TimestampRolloverStream; // object types\n\n      var _TransportPacketStream, _TransportParseStream, _ElementaryStream; // constants\n\n\n      var MP2T_PACKET_LENGTH = 188,\n          // bytes\n      SYNC_BYTE = 0x47;\n      /**\n       * Splits an incoming stream of binary data into MPEG-2 Transport\n       * Stream packets.\n       */\n\n      _TransportPacketStream = function TransportPacketStream() {\n        var buffer = new Uint8Array(MP2T_PACKET_LENGTH),\n            bytesInBuffer = 0;\n\n        _TransportPacketStream.prototype.init.call(this); // Deliver new bytes to the stream.\n\n        /**\n         * Split a stream of data into M2TS packets\n        **/\n\n\n        this.push = function (bytes) {\n          var startIndex = 0,\n              endIndex = MP2T_PACKET_LENGTH,\n              everything; // If there are bytes remaining from the last segment, prepend them to the\n          // bytes that were pushed in\n\n          if (bytesInBuffer) {\n            everything = new Uint8Array(bytes.byteLength + bytesInBuffer);\n            everything.set(buffer.subarray(0, bytesInBuffer));\n            everything.set(bytes, bytesInBuffer);\n            bytesInBuffer = 0;\n          } else {\n            everything = bytes;\n          } // While we have enough data for a packet\n\n\n          while (endIndex < everything.byteLength) {\n            // Look for a pair of start and end sync bytes in the data..\n            if (everything[startIndex] === SYNC_BYTE && everything[endIndex] === SYNC_BYTE) {\n              // We found a packet so emit it and jump one whole packet forward in\n              // the stream\n              this.trigger('data', everything.subarray(startIndex, endIndex));\n              startIndex += MP2T_PACKET_LENGTH;\n              endIndex += MP2T_PACKET_LENGTH;\n              continue;\n            } // If we get here, we have somehow become de-synchronized and we need to step\n            // forward one byte at a time until we find a pair of sync bytes that denote\n            // a packet\n\n\n            startIndex++;\n            endIndex++;\n          } // If there was some data left over at the end of the segment that couldn't\n          // possibly be a whole packet, keep it because it might be the start of a packet\n          // that continues in the next segment\n\n\n          if (startIndex < everything.byteLength) {\n            buffer.set(everything.subarray(startIndex), 0);\n            bytesInBuffer = everything.byteLength - startIndex;\n          }\n        };\n        /**\n         * Passes identified M2TS packets to the TransportParseStream to be parsed\n        **/\n\n\n        this.flush = function () {\n          // If the buffer contains a whole packet when we are being flushed, emit it\n          // and empty the buffer. Otherwise hold onto the data because it may be\n          // important for decoding the next segment\n          if (bytesInBuffer === MP2T_PACKET_LENGTH && buffer[0] === SYNC_BYTE) {\n            this.trigger('data', buffer);\n            bytesInBuffer = 0;\n          }\n\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n\n        this.reset = function () {\n          bytesInBuffer = 0;\n          this.trigger('reset');\n        };\n      };\n\n      _TransportPacketStream.prototype = new stream();\n      /**\n       * Accepts an MP2T TransportPacketStream and emits data events with parsed\n       * forms of the individual transport stream packets.\n       */\n\n      _TransportParseStream = function TransportParseStream() {\n        var parsePsi, parsePat, parsePmt, self;\n\n        _TransportParseStream.prototype.init.call(this);\n\n        self = this;\n        this.packetsWaitingForPmt = [];\n        this.programMapTable = undefined;\n\n        parsePsi = function parsePsi(payload, psi) {\n          var offset = 0; // PSI packets may be split into multiple sections and those\n          // sections may be split into multiple packets. If a PSI\n          // section starts in this packet, the payload_unit_start_indicator\n          // will be true and the first byte of the payload will indicate\n          // the offset from the current position to the start of the\n          // section.\n\n          if (psi.payloadUnitStartIndicator) {\n            offset += payload[offset] + 1;\n          }\n\n          if (psi.type === 'pat') {\n            parsePat(payload.subarray(offset), psi);\n          } else {\n            parsePmt(payload.subarray(offset), psi);\n          }\n        };\n\n        parsePat = function parsePat(payload, pat) {\n          pat.section_number = payload[7]; // eslint-disable-line camelcase\n\n          pat.last_section_number = payload[8]; // eslint-disable-line camelcase\n          // skip the PSI header and parse the first PMT entry\n\n          self.pmtPid = (payload[10] & 0x1F) << 8 | payload[11];\n          pat.pmtPid = self.pmtPid;\n        };\n        /**\n         * Parse out the relevant fields of a Program Map Table (PMT).\n         * @param payload {Uint8Array} the PMT-specific portion of an MP2T\n         * packet. The first byte in this array should be the table_id\n         * field.\n         * @param pmt {object} the object that should be decorated with\n         * fields parsed from the PMT.\n         */\n\n\n        parsePmt = function parsePmt(payload, pmt) {\n          var sectionLength, tableEnd, programInfoLength, offset; // PMTs can be sent ahead of the time when they should actually\n          // take effect. We don't believe this should ever be the case\n          // for HLS but we'll ignore \"forward\" PMT declarations if we see\n          // them. Future PMT declarations have the current_next_indicator\n          // set to zero.\n\n          if (!(payload[5] & 0x01)) {\n            return;\n          } // overwrite any existing program map table\n\n\n          self.programMapTable = {\n            video: null,\n            audio: null,\n            'timed-metadata': {}\n          }; // the mapping table ends at the end of the current section\n\n          sectionLength = (payload[1] & 0x0f) << 8 | payload[2];\n          tableEnd = 3 + sectionLength - 4; // to determine where the table is, we have to figure out how\n          // long the program info descriptors are\n\n          programInfoLength = (payload[10] & 0x0f) << 8 | payload[11]; // advance the offset to the first entry in the mapping table\n\n          offset = 12 + programInfoLength;\n\n          while (offset < tableEnd) {\n            var streamType = payload[offset];\n            var pid = (payload[offset + 1] & 0x1F) << 8 | payload[offset + 2]; // only map a single elementary_pid for audio and video stream types\n            // TODO: should this be done for metadata too? for now maintain behavior of\n            //       multiple metadata streams\n\n            if (streamType === streamTypes.H264_STREAM_TYPE && self.programMapTable.video === null) {\n              self.programMapTable.video = pid;\n            } else if (streamType === streamTypes.ADTS_STREAM_TYPE && self.programMapTable.audio === null) {\n              self.programMapTable.audio = pid;\n            } else if (streamType === streamTypes.METADATA_STREAM_TYPE) {\n              // map pid to stream type for metadata streams\n              self.programMapTable['timed-metadata'][pid] = streamType;\n            } // move to the next table entry\n            // skip past the elementary stream descriptors, if present\n\n\n            offset += ((payload[offset + 3] & 0x0F) << 8 | payload[offset + 4]) + 5;\n          } // record the map on the packet as well\n\n\n          pmt.programMapTable = self.programMapTable;\n        };\n        /**\n         * Deliver a new MP2T packet to the next stream in the pipeline.\n         */\n\n\n        this.push = function (packet) {\n          var result = {},\n              offset = 4;\n          result.payloadUnitStartIndicator = !!(packet[1] & 0x40); // pid is a 13-bit field starting at the last bit of packet[1]\n\n          result.pid = packet[1] & 0x1f;\n          result.pid <<= 8;\n          result.pid |= packet[2]; // if an adaption field is present, its length is specified by the\n          // fifth byte of the TS packet header. The adaptation field is\n          // used to add stuffing to PES packets that don't fill a complete\n          // TS packet, and to specify some forms of timing and control data\n          // that we do not currently use.\n\n          if ((packet[3] & 0x30) >>> 4 > 0x01) {\n            offset += packet[offset] + 1;\n          } // parse the rest of the packet based on the type\n\n\n          if (result.pid === 0) {\n            result.type = 'pat';\n            parsePsi(packet.subarray(offset), result);\n            this.trigger('data', result);\n          } else if (result.pid === this.pmtPid) {\n            result.type = 'pmt';\n            parsePsi(packet.subarray(offset), result);\n            this.trigger('data', result); // if there are any packets waiting for a PMT to be found, process them now\n\n            while (this.packetsWaitingForPmt.length) {\n              this.processPes_.apply(this, this.packetsWaitingForPmt.shift());\n            }\n          } else if (this.programMapTable === undefined) {\n            // When we have not seen a PMT yet, defer further processing of\n            // PES packets until one has been parsed\n            this.packetsWaitingForPmt.push([packet, offset, result]);\n          } else {\n            this.processPes_(packet, offset, result);\n          }\n        };\n\n        this.processPes_ = function (packet, offset, result) {\n          // set the appropriate stream type\n          if (result.pid === this.programMapTable.video) {\n            result.streamType = streamTypes.H264_STREAM_TYPE;\n          } else if (result.pid === this.programMapTable.audio) {\n            result.streamType = streamTypes.ADTS_STREAM_TYPE;\n          } else {\n            // if not video or audio, it is timed-metadata or unknown\n            // if unknown, streamType will be undefined\n            result.streamType = this.programMapTable['timed-metadata'][result.pid];\n          }\n\n          result.type = 'pes';\n          result.data = packet.subarray(offset);\n          this.trigger('data', result);\n        };\n      };\n\n      _TransportParseStream.prototype = new stream();\n      _TransportParseStream.STREAM_TYPES = {\n        h264: 0x1b,\n        adts: 0x0f\n      };\n      /**\n       * Reconsistutes program elementary stream (PES) packets from parsed\n       * transport stream packets. That is, if you pipe an\n       * mp2t.TransportParseStream into a mp2t.ElementaryStream, the output\n       * events will be events which capture the bytes for individual PES\n       * packets plus relevant metadata that has been extracted from the\n       * container.\n       */\n\n      _ElementaryStream = function ElementaryStream() {\n        var self = this,\n            // PES packet fragments\n        video = {\n          data: [],\n          size: 0\n        },\n            audio = {\n          data: [],\n          size: 0\n        },\n            timedMetadata = {\n          data: [],\n          size: 0\n        },\n            programMapTable,\n            parsePes = function parsePes(payload, pes) {\n          var ptsDtsFlags; // get the packet length, this will be 0 for video\n\n          pes.packetLength = 6 + (payload[4] << 8 | payload[5]); // find out if this packets starts a new keyframe\n\n          pes.dataAlignmentIndicator = (payload[6] & 0x04) !== 0; // PES packets may be annotated with a PTS value, or a PTS value\n          // and a DTS value. Determine what combination of values is\n          // available to work with.\n\n          ptsDtsFlags = payload[7]; // PTS and DTS are normally stored as a 33-bit number.  Javascript\n          // performs all bitwise operations on 32-bit integers but javascript\n          // supports a much greater range (52-bits) of integer using standard\n          // mathematical operations.\n          // We construct a 31-bit value using bitwise operators over the 31\n          // most significant bits and then multiply by 4 (equal to a left-shift\n          // of 2) before we add the final 2 least significant bits of the\n          // timestamp (equal to an OR.)\n\n          if (ptsDtsFlags & 0xC0) {\n            // the PTS and DTS are not written out directly. For information\n            // on how they are encoded, see\n            // http://dvd.sourceforge.net/dvdinfo/pes-hdr.html\n            pes.pts = (payload[9] & 0x0E) << 27 | (payload[10] & 0xFF) << 20 | (payload[11] & 0xFE) << 12 | (payload[12] & 0xFF) << 5 | (payload[13] & 0xFE) >>> 3;\n            pes.pts *= 4; // Left shift by 2\n\n            pes.pts += (payload[13] & 0x06) >>> 1; // OR by the two LSBs\n\n            pes.dts = pes.pts;\n\n            if (ptsDtsFlags & 0x40) {\n              pes.dts = (payload[14] & 0x0E) << 27 | (payload[15] & 0xFF) << 20 | (payload[16] & 0xFE) << 12 | (payload[17] & 0xFF) << 5 | (payload[18] & 0xFE) >>> 3;\n              pes.dts *= 4; // Left shift by 2\n\n              pes.dts += (payload[18] & 0x06) >>> 1; // OR by the two LSBs\n            }\n          } // the data section starts immediately after the PES header.\n          // pes_header_data_length specifies the number of header bytes\n          // that follow the last byte of the field.\n\n\n          pes.data = payload.subarray(9 + payload[8]);\n        },\n\n        /**\n          * Pass completely parsed PES packets to the next stream in the pipeline\n         **/\n        flushStream = function flushStream(stream$$1, type, forceFlush) {\n          var packetData = new Uint8Array(stream$$1.size),\n              event = {\n            type: type\n          },\n              i = 0,\n              offset = 0,\n              packetFlushable = false,\n              fragment; // do nothing if there is not enough buffered data for a complete\n          // PES header\n\n          if (!stream$$1.data.length || stream$$1.size < 9) {\n            return;\n          }\n\n          event.trackId = stream$$1.data[0].pid; // reassemble the packet\n\n          for (i = 0; i < stream$$1.data.length; i++) {\n            fragment = stream$$1.data[i];\n            packetData.set(fragment.data, offset);\n            offset += fragment.data.byteLength;\n          } // parse assembled packet's PES header\n\n\n          parsePes(packetData, event); // non-video PES packets MUST have a non-zero PES_packet_length\n          // check that there is enough stream data to fill the packet\n\n          packetFlushable = type === 'video' || event.packetLength <= stream$$1.size; // flush pending packets if the conditions are right\n\n          if (forceFlush || packetFlushable) {\n            stream$$1.size = 0;\n            stream$$1.data.length = 0;\n          } // only emit packets that are complete. this is to avoid assembling\n          // incomplete PES packets due to poor segmentation\n\n\n          if (packetFlushable) {\n            self.trigger('data', event);\n          }\n        };\n\n        _ElementaryStream.prototype.init.call(this);\n        /**\n         * Identifies M2TS packet types and parses PES packets using metadata\n         * parsed from the PMT\n         **/\n\n\n        this.push = function (data) {\n          ({\n            pat: function pat() {// we have to wait for the PMT to arrive as well before we\n              // have any meaningful metadata\n            },\n            pes: function pes() {\n              var stream$$1, streamType;\n\n              switch (data.streamType) {\n                case streamTypes.H264_STREAM_TYPE:\n                case streamTypes.H264_STREAM_TYPE:\n                  stream$$1 = video;\n                  streamType = 'video';\n                  break;\n\n                case streamTypes.ADTS_STREAM_TYPE:\n                  stream$$1 = audio;\n                  streamType = 'audio';\n                  break;\n\n                case streamTypes.METADATA_STREAM_TYPE:\n                  stream$$1 = timedMetadata;\n                  streamType = 'timed-metadata';\n                  break;\n\n                default:\n                  // ignore unknown stream types\n                  return;\n              } // if a new packet is starting, we can flush the completed\n              // packet\n\n\n              if (data.payloadUnitStartIndicator) {\n                flushStream(stream$$1, streamType, true);\n              } // buffer this fragment until we are sure we've received the\n              // complete payload\n\n\n              stream$$1.data.push(data);\n              stream$$1.size += data.data.byteLength;\n            },\n            pmt: function pmt() {\n              var event = {\n                type: 'metadata',\n                tracks: []\n              };\n              programMapTable = data.programMapTable; // translate audio and video streams to tracks\n\n              if (programMapTable.video !== null) {\n                event.tracks.push({\n                  timelineStartInfo: {\n                    baseMediaDecodeTime: 0\n                  },\n                  id: +programMapTable.video,\n                  codec: 'avc',\n                  type: 'video'\n                });\n              }\n\n              if (programMapTable.audio !== null) {\n                event.tracks.push({\n                  timelineStartInfo: {\n                    baseMediaDecodeTime: 0\n                  },\n                  id: +programMapTable.audio,\n                  codec: 'adts',\n                  type: 'audio'\n                });\n              }\n\n              self.trigger('data', event);\n            }\n          })[data.type]();\n        };\n\n        this.reset = function () {\n          video.size = 0;\n          video.data.length = 0;\n          audio.size = 0;\n          audio.data.length = 0;\n          this.trigger('reset');\n        };\n        /**\n         * Flush any remaining input. Video PES packets may be of variable\n         * length. Normally, the start of a new video packet can trigger the\n         * finalization of the previous packet. That is not possible if no\n         * more video is forthcoming, however. In that case, some other\n         * mechanism (like the end of the file) has to be employed. When it is\n         * clear that no additional data is forthcoming, calling this method\n         * will flush the buffered packets.\n         */\n\n\n        this.flushStreams_ = function () {\n          // !!THIS ORDER IS IMPORTANT!!\n          // video first then audio\n          flushStream(video, 'video');\n          flushStream(audio, 'audio');\n          flushStream(timedMetadata, 'timed-metadata');\n        };\n\n        this.flush = function () {\n          this.flushStreams_();\n          this.trigger('done');\n        };\n      };\n\n      _ElementaryStream.prototype = new stream();\n      var m2ts = {\n        PAT_PID: 0x0000,\n        MP2T_PACKET_LENGTH: MP2T_PACKET_LENGTH,\n        TransportPacketStream: _TransportPacketStream,\n        TransportParseStream: _TransportParseStream,\n        ElementaryStream: _ElementaryStream,\n        TimestampRolloverStream: TimestampRolloverStream$1,\n        CaptionStream: captionStream.CaptionStream,\n        Cea608Stream: captionStream.Cea608Stream,\n        MetadataStream: metadataStream\n      };\n\n      for (var type in streamTypes) {\n        if (streamTypes.hasOwnProperty(type)) {\n          m2ts[type] = streamTypes[type];\n        }\n      }\n\n      var m2ts_1 = m2ts;\n      var ONE_SECOND_IN_TS$2 = clock.ONE_SECOND_IN_TS;\n\n      var _AdtsStream;\n\n      var ADTS_SAMPLING_FREQUENCIES = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n      /*\n       * Accepts a ElementaryStream and emits data events with parsed\n       * AAC Audio Frames of the individual packets. Input audio in ADTS\n       * format is unpacked and re-emitted as AAC frames.\n       *\n       * @see http://wiki.multimedia.cx/index.php?title=ADTS\n       * @see http://wiki.multimedia.cx/?title=Understanding_AAC\n       */\n\n      _AdtsStream = function AdtsStream(handlePartialSegments) {\n        var buffer,\n            frameNum = 0;\n\n        _AdtsStream.prototype.init.call(this);\n\n        this.push = function (packet) {\n          var i = 0,\n              frameLength,\n              protectionSkipBytes,\n              frameEnd,\n              oldBuffer,\n              sampleCount,\n              adtsFrameDuration;\n\n          if (!handlePartialSegments) {\n            frameNum = 0;\n          }\n\n          if (packet.type !== 'audio') {\n            // ignore non-audio data\n            return;\n          } // Prepend any data in the buffer to the input data so that we can parse\n          // aac frames the cross a PES packet boundary\n\n\n          if (buffer) {\n            oldBuffer = buffer;\n            buffer = new Uint8Array(oldBuffer.byteLength + packet.data.byteLength);\n            buffer.set(oldBuffer);\n            buffer.set(packet.data, oldBuffer.byteLength);\n          } else {\n            buffer = packet.data;\n          } // unpack any ADTS frames which have been fully received\n          // for details on the ADTS header, see http://wiki.multimedia.cx/index.php?title=ADTS\n\n\n          while (i + 5 < buffer.length) {\n            // Look for the start of an ADTS header..\n            if (buffer[i] !== 0xFF || (buffer[i + 1] & 0xF6) !== 0xF0) {\n              // If a valid header was not found,  jump one forward and attempt to\n              // find a valid ADTS header starting at the next byte\n              i++;\n              continue;\n            } // The protection skip bit tells us if we have 2 bytes of CRC data at the\n            // end of the ADTS header\n\n\n            protectionSkipBytes = (~buffer[i + 1] & 0x01) * 2; // Frame length is a 13 bit integer starting 16 bits from the\n            // end of the sync sequence\n\n            frameLength = (buffer[i + 3] & 0x03) << 11 | buffer[i + 4] << 3 | (buffer[i + 5] & 0xe0) >> 5;\n            sampleCount = ((buffer[i + 6] & 0x03) + 1) * 1024;\n            adtsFrameDuration = sampleCount * ONE_SECOND_IN_TS$2 / ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2];\n            frameEnd = i + frameLength; // If we don't have enough data to actually finish this ADTS frame, return\n            // and wait for more data\n\n            if (buffer.byteLength < frameEnd) {\n              return;\n            } // Otherwise, deliver the complete AAC frame\n\n\n            this.trigger('data', {\n              pts: packet.pts + frameNum * adtsFrameDuration,\n              dts: packet.dts + frameNum * adtsFrameDuration,\n              sampleCount: sampleCount,\n              audioobjecttype: (buffer[i + 2] >>> 6 & 0x03) + 1,\n              channelcount: (buffer[i + 2] & 1) << 2 | (buffer[i + 3] & 0xc0) >>> 6,\n              samplerate: ADTS_SAMPLING_FREQUENCIES[(buffer[i + 2] & 0x3c) >>> 2],\n              samplingfrequencyindex: (buffer[i + 2] & 0x3c) >>> 2,\n              // assume ISO/IEC 14496-12 AudioSampleEntry default of 16\n              samplesize: 16,\n              data: buffer.subarray(i + 7 + protectionSkipBytes, frameEnd)\n            });\n            frameNum++; // If the buffer is empty, clear it and return\n\n            if (buffer.byteLength === frameEnd) {\n              buffer = undefined;\n              return;\n            } // Remove the finished frame from the buffer and start the process again\n\n\n            buffer = buffer.subarray(frameEnd);\n          }\n        };\n\n        this.flush = function () {\n          frameNum = 0;\n          this.trigger('done');\n        };\n\n        this.reset = function () {\n          buffer = void 0;\n          this.trigger('reset');\n        };\n\n        this.endTimeline = function () {\n          buffer = void 0;\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _AdtsStream.prototype = new stream();\n      var adts = _AdtsStream;\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       */\n\n      var ExpGolomb;\n      /**\n       * Parser for exponential Golomb codes, a variable-bitwidth number encoding\n       * scheme used by h264.\n       */\n\n      ExpGolomb = function ExpGolomb(workingData) {\n        var // the number of bytes left to examine in workingData\n        workingBytesAvailable = workingData.byteLength,\n            // the current word being examined\n        workingWord = 0,\n            // :uint\n        // the number of bits left to examine in the current word\n        workingBitsAvailable = 0; // :uint;\n        // ():uint\n\n        this.length = function () {\n          return 8 * workingBytesAvailable;\n        }; // ():uint\n\n\n        this.bitsAvailable = function () {\n          return 8 * workingBytesAvailable + workingBitsAvailable;\n        }; // ():void\n\n\n        this.loadWord = function () {\n          var position = workingData.byteLength - workingBytesAvailable,\n              workingBytes = new Uint8Array(4),\n              availableBytes = Math.min(4, workingBytesAvailable);\n\n          if (availableBytes === 0) {\n            throw new Error('no bytes available');\n          }\n\n          workingBytes.set(workingData.subarray(position, position + availableBytes));\n          workingWord = new DataView(workingBytes.buffer).getUint32(0); // track the amount of workingData that has been processed\n\n          workingBitsAvailable = availableBytes * 8;\n          workingBytesAvailable -= availableBytes;\n        }; // (count:int):void\n\n\n        this.skipBits = function (count) {\n          var skipBytes; // :int\n\n          if (workingBitsAvailable > count) {\n            workingWord <<= count;\n            workingBitsAvailable -= count;\n          } else {\n            count -= workingBitsAvailable;\n            skipBytes = Math.floor(count / 8);\n            count -= skipBytes * 8;\n            workingBytesAvailable -= skipBytes;\n            this.loadWord();\n            workingWord <<= count;\n            workingBitsAvailable -= count;\n          }\n        }; // (size:int):uint\n\n\n        this.readBits = function (size) {\n          var bits = Math.min(workingBitsAvailable, size),\n              // :uint\n          valu = workingWord >>> 32 - bits; // :uint\n          // if size > 31, handle error\n\n          workingBitsAvailable -= bits;\n\n          if (workingBitsAvailable > 0) {\n            workingWord <<= bits;\n          } else if (workingBytesAvailable > 0) {\n            this.loadWord();\n          }\n\n          bits = size - bits;\n\n          if (bits > 0) {\n            return valu << bits | this.readBits(bits);\n          }\n\n          return valu;\n        }; // ():uint\n\n\n        this.skipLeadingZeros = function () {\n          var leadingZeroCount; // :uint\n\n          for (leadingZeroCount = 0; leadingZeroCount < workingBitsAvailable; ++leadingZeroCount) {\n            if ((workingWord & 0x80000000 >>> leadingZeroCount) !== 0) {\n              // the first bit of working word is 1\n              workingWord <<= leadingZeroCount;\n              workingBitsAvailable -= leadingZeroCount;\n              return leadingZeroCount;\n            }\n          } // we exhausted workingWord and still have not found a 1\n\n\n          this.loadWord();\n          return leadingZeroCount + this.skipLeadingZeros();\n        }; // ():void\n\n\n        this.skipUnsignedExpGolomb = function () {\n          this.skipBits(1 + this.skipLeadingZeros());\n        }; // ():void\n\n\n        this.skipExpGolomb = function () {\n          this.skipBits(1 + this.skipLeadingZeros());\n        }; // ():uint\n\n\n        this.readUnsignedExpGolomb = function () {\n          var clz = this.skipLeadingZeros(); // :uint\n\n          return this.readBits(clz + 1) - 1;\n        }; // ():int\n\n\n        this.readExpGolomb = function () {\n          var valu = this.readUnsignedExpGolomb(); // :int\n\n          if (0x01 & valu) {\n            // the number is odd if the low order bit is set\n            return 1 + valu >>> 1; // add 1 to make it even, and divide by 2\n          }\n\n          return -1 * (valu >>> 1); // divide by two then make it negative\n        }; // Some convenience functions\n        // :Boolean\n\n\n        this.readBoolean = function () {\n          return this.readBits(1) === 1;\n        }; // ():int\n\n\n        this.readUnsignedByte = function () {\n          return this.readBits(8);\n        };\n\n        this.loadWord();\n      };\n\n      var expGolomb = ExpGolomb;\n\n      var _H264Stream, _NalByteStream;\n\n      var PROFILES_WITH_OPTIONAL_SPS_DATA;\n      /**\n       * Accepts a NAL unit byte stream and unpacks the embedded NAL units.\n       */\n\n      _NalByteStream = function NalByteStream() {\n        var syncPoint = 0,\n            i,\n            buffer;\n\n        _NalByteStream.prototype.init.call(this);\n        /*\n         * Scans a byte stream and triggers a data event with the NAL units found.\n         * @param {Object} data Event received from H264Stream\n         * @param {Uint8Array} data.data The h264 byte stream to be scanned\n         *\n         * @see H264Stream.push\n         */\n\n\n        this.push = function (data) {\n          var swapBuffer;\n\n          if (!buffer) {\n            buffer = data.data;\n          } else {\n            swapBuffer = new Uint8Array(buffer.byteLength + data.data.byteLength);\n            swapBuffer.set(buffer);\n            swapBuffer.set(data.data, buffer.byteLength);\n            buffer = swapBuffer;\n          }\n\n          var len = buffer.byteLength; // Rec. ITU-T H.264, Annex B\n          // scan for NAL unit boundaries\n          // a match looks like this:\n          // 0 0 1 .. NAL .. 0 0 1\n          // ^ sync point        ^ i\n          // or this:\n          // 0 0 1 .. NAL .. 0 0 0\n          // ^ sync point        ^ i\n          // advance the sync point to a NAL start, if necessary\n\n          for (; syncPoint < len - 3; syncPoint++) {\n            if (buffer[syncPoint + 2] === 1) {\n              // the sync point is properly aligned\n              i = syncPoint + 5;\n              break;\n            }\n          }\n\n          while (i < len) {\n            // look at the current byte to determine if we've hit the end of\n            // a NAL unit boundary\n            switch (buffer[i]) {\n              case 0:\n                // skip past non-sync sequences\n                if (buffer[i - 1] !== 0) {\n                  i += 2;\n                  break;\n                } else if (buffer[i - 2] !== 0) {\n                  i++;\n                  break;\n                } // deliver the NAL unit if it isn't empty\n\n\n                if (syncPoint + 3 !== i - 2) {\n                  this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));\n                } // drop trailing zeroes\n\n\n                do {\n                  i++;\n                } while (buffer[i] !== 1 && i < len);\n\n                syncPoint = i - 2;\n                i += 3;\n                break;\n\n              case 1:\n                // skip past non-sync sequences\n                if (buffer[i - 1] !== 0 || buffer[i - 2] !== 0) {\n                  i += 3;\n                  break;\n                } // deliver the NAL unit\n\n\n                this.trigger('data', buffer.subarray(syncPoint + 3, i - 2));\n                syncPoint = i - 2;\n                i += 3;\n                break;\n\n              default:\n                // the current byte isn't a one or zero, so it cannot be part\n                // of a sync sequence\n                i += 3;\n                break;\n            }\n          } // filter out the NAL units that were delivered\n\n\n          buffer = buffer.subarray(syncPoint);\n          i -= syncPoint;\n          syncPoint = 0;\n        };\n\n        this.reset = function () {\n          buffer = null;\n          syncPoint = 0;\n          this.trigger('reset');\n        };\n\n        this.flush = function () {\n          // deliver the last buffered NAL unit\n          if (buffer && buffer.byteLength > 3) {\n            this.trigger('data', buffer.subarray(syncPoint + 3));\n          } // reset the stream state\n\n\n          buffer = null;\n          syncPoint = 0;\n          this.trigger('done');\n        };\n\n        this.endTimeline = function () {\n          this.flush();\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _NalByteStream.prototype = new stream(); // values of profile_idc that indicate additional fields are included in the SPS\n      // see Recommendation ITU-T H.264 (4/2013),\n      // 7.3.2.1.1 Sequence parameter set data syntax\n\n      PROFILES_WITH_OPTIONAL_SPS_DATA = {\n        100: true,\n        110: true,\n        122: true,\n        244: true,\n        44: true,\n        83: true,\n        86: true,\n        118: true,\n        128: true,\n        138: true,\n        139: true,\n        134: true\n      };\n      /**\n       * Accepts input from a ElementaryStream and produces H.264 NAL unit data\n       * events.\n       */\n\n      _H264Stream = function H264Stream() {\n        var nalByteStream = new _NalByteStream(),\n            self,\n            trackId,\n            currentPts,\n            currentDts,\n            discardEmulationPreventionBytes,\n            readSequenceParameterSet,\n            skipScalingList;\n\n        _H264Stream.prototype.init.call(this);\n\n        self = this;\n        /*\n         * Pushes a packet from a stream onto the NalByteStream\n         *\n         * @param {Object} packet - A packet received from a stream\n         * @param {Uint8Array} packet.data - The raw bytes of the packet\n         * @param {Number} packet.dts - Decode timestamp of the packet\n         * @param {Number} packet.pts - Presentation timestamp of the packet\n         * @param {Number} packet.trackId - The id of the h264 track this packet came from\n         * @param {('video'|'audio')} packet.type - The type of packet\n         *\n         */\n\n        this.push = function (packet) {\n          if (packet.type !== 'video') {\n            return;\n          }\n\n          trackId = packet.trackId;\n          currentPts = packet.pts;\n          currentDts = packet.dts;\n          nalByteStream.push(packet);\n        };\n        /*\n         * Identify NAL unit types and pass on the NALU, trackId, presentation and decode timestamps\n         * for the NALUs to the next stream component.\n         * Also, preprocess caption and sequence parameter NALUs.\n         *\n         * @param {Uint8Array} data - A NAL unit identified by `NalByteStream.push`\n         * @see NalByteStream.push\n         */\n\n\n        nalByteStream.on('data', function (data) {\n          var event = {\n            trackId: trackId,\n            pts: currentPts,\n            dts: currentDts,\n            data: data\n          };\n\n          switch (data[0] & 0x1f) {\n            case 0x05:\n              event.nalUnitType = 'slice_layer_without_partitioning_rbsp_idr';\n              break;\n\n            case 0x06:\n              event.nalUnitType = 'sei_rbsp';\n              event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));\n              break;\n\n            case 0x07:\n              event.nalUnitType = 'seq_parameter_set_rbsp';\n              event.escapedRBSP = discardEmulationPreventionBytes(data.subarray(1));\n              event.config = readSequenceParameterSet(event.escapedRBSP);\n              break;\n\n            case 0x08:\n              event.nalUnitType = 'pic_parameter_set_rbsp';\n              break;\n\n            case 0x09:\n              event.nalUnitType = 'access_unit_delimiter_rbsp';\n              break;\n\n            default:\n              break;\n          } // This triggers data on the H264Stream\n\n\n          self.trigger('data', event);\n        });\n        nalByteStream.on('done', function () {\n          self.trigger('done');\n        });\n        nalByteStream.on('partialdone', function () {\n          self.trigger('partialdone');\n        });\n        nalByteStream.on('reset', function () {\n          self.trigger('reset');\n        });\n        nalByteStream.on('endedtimeline', function () {\n          self.trigger('endedtimeline');\n        });\n\n        this.flush = function () {\n          nalByteStream.flush();\n        };\n\n        this.partialFlush = function () {\n          nalByteStream.partialFlush();\n        };\n\n        this.reset = function () {\n          nalByteStream.reset();\n        };\n\n        this.endTimeline = function () {\n          nalByteStream.endTimeline();\n        };\n        /**\n         * Advance the ExpGolomb decoder past a scaling list. The scaling\n         * list is optionally transmitted as part of a sequence parameter\n         * set and is not relevant to transmuxing.\n         * @param count {number} the number of entries in this scaling list\n         * @param expGolombDecoder {object} an ExpGolomb pointed to the\n         * start of a scaling list\n         * @see Recommendation ITU-T H.264, Section 7.3.2.1.1.1\n         */\n\n\n        skipScalingList = function skipScalingList(count, expGolombDecoder) {\n          var lastScale = 8,\n              nextScale = 8,\n              j,\n              deltaScale;\n\n          for (j = 0; j < count; j++) {\n            if (nextScale !== 0) {\n              deltaScale = expGolombDecoder.readExpGolomb();\n              nextScale = (lastScale + deltaScale + 256) % 256;\n            }\n\n            lastScale = nextScale === 0 ? lastScale : nextScale;\n          }\n        };\n        /**\n         * Expunge any \"Emulation Prevention\" bytes from a \"Raw Byte\n         * Sequence Payload\"\n         * @param data {Uint8Array} the bytes of a RBSP from a NAL\n         * unit\n         * @return {Uint8Array} the RBSP without any Emulation\n         * Prevention Bytes\n         */\n\n\n        discardEmulationPreventionBytes = function discardEmulationPreventionBytes(data) {\n          var length = data.byteLength,\n              emulationPreventionBytesPositions = [],\n              i = 1,\n              newLength,\n              newData; // Find all `Emulation Prevention Bytes`\n\n          while (i < length - 2) {\n            if (data[i] === 0 && data[i + 1] === 0 && data[i + 2] === 0x03) {\n              emulationPreventionBytesPositions.push(i + 2);\n              i += 2;\n            } else {\n              i++;\n            }\n          } // If no Emulation Prevention Bytes were found just return the original\n          // array\n\n\n          if (emulationPreventionBytesPositions.length === 0) {\n            return data;\n          } // Create a new array to hold the NAL unit data\n\n\n          newLength = length - emulationPreventionBytesPositions.length;\n          newData = new Uint8Array(newLength);\n          var sourceIndex = 0;\n\n          for (i = 0; i < newLength; sourceIndex++, i++) {\n            if (sourceIndex === emulationPreventionBytesPositions[0]) {\n              // Skip this byte\n              sourceIndex++; // Remove this position index\n\n              emulationPreventionBytesPositions.shift();\n            }\n\n            newData[i] = data[sourceIndex];\n          }\n\n          return newData;\n        };\n        /**\n         * Read a sequence parameter set and return some interesting video\n         * properties. A sequence parameter set is the H264 metadata that\n         * describes the properties of upcoming video frames.\n         * @param data {Uint8Array} the bytes of a sequence parameter set\n         * @return {object} an object with configuration parsed from the\n         * sequence parameter set, including the dimensions of the\n         * associated video frames.\n         */\n\n\n        readSequenceParameterSet = function readSequenceParameterSet(data) {\n          var frameCropLeftOffset = 0,\n              frameCropRightOffset = 0,\n              frameCropTopOffset = 0,\n              frameCropBottomOffset = 0,\n              sarScale = 1,\n              expGolombDecoder,\n              profileIdc,\n              levelIdc,\n              profileCompatibility,\n              chromaFormatIdc,\n              picOrderCntType,\n              numRefFramesInPicOrderCntCycle,\n              picWidthInMbsMinus1,\n              picHeightInMapUnitsMinus1,\n              frameMbsOnlyFlag,\n              scalingListCount,\n              sarRatio,\n              aspectRatioIdc,\n              i;\n          expGolombDecoder = new expGolomb(data);\n          profileIdc = expGolombDecoder.readUnsignedByte(); // profile_idc\n\n          profileCompatibility = expGolombDecoder.readUnsignedByte(); // constraint_set[0-5]_flag\n\n          levelIdc = expGolombDecoder.readUnsignedByte(); // level_idc u(8)\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // seq_parameter_set_id\n          // some profiles have more optional data we don't need\n\n          if (PROFILES_WITH_OPTIONAL_SPS_DATA[profileIdc]) {\n            chromaFormatIdc = expGolombDecoder.readUnsignedExpGolomb();\n\n            if (chromaFormatIdc === 3) {\n              expGolombDecoder.skipBits(1); // separate_colour_plane_flag\n            }\n\n            expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_luma_minus8\n\n            expGolombDecoder.skipUnsignedExpGolomb(); // bit_depth_chroma_minus8\n\n            expGolombDecoder.skipBits(1); // qpprime_y_zero_transform_bypass_flag\n\n            if (expGolombDecoder.readBoolean()) {\n              // seq_scaling_matrix_present_flag\n              scalingListCount = chromaFormatIdc !== 3 ? 8 : 12;\n\n              for (i = 0; i < scalingListCount; i++) {\n                if (expGolombDecoder.readBoolean()) {\n                  // seq_scaling_list_present_flag[ i ]\n                  if (i < 6) {\n                    skipScalingList(16, expGolombDecoder);\n                  } else {\n                    skipScalingList(64, expGolombDecoder);\n                  }\n                }\n              }\n            }\n          }\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // log2_max_frame_num_minus4\n\n          picOrderCntType = expGolombDecoder.readUnsignedExpGolomb();\n\n          if (picOrderCntType === 0) {\n            expGolombDecoder.readUnsignedExpGolomb(); // log2_max_pic_order_cnt_lsb_minus4\n          } else if (picOrderCntType === 1) {\n            expGolombDecoder.skipBits(1); // delta_pic_order_always_zero_flag\n\n            expGolombDecoder.skipExpGolomb(); // offset_for_non_ref_pic\n\n            expGolombDecoder.skipExpGolomb(); // offset_for_top_to_bottom_field\n\n            numRefFramesInPicOrderCntCycle = expGolombDecoder.readUnsignedExpGolomb();\n\n            for (i = 0; i < numRefFramesInPicOrderCntCycle; i++) {\n              expGolombDecoder.skipExpGolomb(); // offset_for_ref_frame[ i ]\n            }\n          }\n\n          expGolombDecoder.skipUnsignedExpGolomb(); // max_num_ref_frames\n\n          expGolombDecoder.skipBits(1); // gaps_in_frame_num_value_allowed_flag\n\n          picWidthInMbsMinus1 = expGolombDecoder.readUnsignedExpGolomb();\n          picHeightInMapUnitsMinus1 = expGolombDecoder.readUnsignedExpGolomb();\n          frameMbsOnlyFlag = expGolombDecoder.readBits(1);\n\n          if (frameMbsOnlyFlag === 0) {\n            expGolombDecoder.skipBits(1); // mb_adaptive_frame_field_flag\n          }\n\n          expGolombDecoder.skipBits(1); // direct_8x8_inference_flag\n\n          if (expGolombDecoder.readBoolean()) {\n            // frame_cropping_flag\n            frameCropLeftOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropRightOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropTopOffset = expGolombDecoder.readUnsignedExpGolomb();\n            frameCropBottomOffset = expGolombDecoder.readUnsignedExpGolomb();\n          }\n\n          if (expGolombDecoder.readBoolean()) {\n            // vui_parameters_present_flag\n            if (expGolombDecoder.readBoolean()) {\n              // aspect_ratio_info_present_flag\n              aspectRatioIdc = expGolombDecoder.readUnsignedByte();\n\n              switch (aspectRatioIdc) {\n                case 1:\n                  sarRatio = [1, 1];\n                  break;\n\n                case 2:\n                  sarRatio = [12, 11];\n                  break;\n\n                case 3:\n                  sarRatio = [10, 11];\n                  break;\n\n                case 4:\n                  sarRatio = [16, 11];\n                  break;\n\n                case 5:\n                  sarRatio = [40, 33];\n                  break;\n\n                case 6:\n                  sarRatio = [24, 11];\n                  break;\n\n                case 7:\n                  sarRatio = [20, 11];\n                  break;\n\n                case 8:\n                  sarRatio = [32, 11];\n                  break;\n\n                case 9:\n                  sarRatio = [80, 33];\n                  break;\n\n                case 10:\n                  sarRatio = [18, 11];\n                  break;\n\n                case 11:\n                  sarRatio = [15, 11];\n                  break;\n\n                case 12:\n                  sarRatio = [64, 33];\n                  break;\n\n                case 13:\n                  sarRatio = [160, 99];\n                  break;\n\n                case 14:\n                  sarRatio = [4, 3];\n                  break;\n\n                case 15:\n                  sarRatio = [3, 2];\n                  break;\n\n                case 16:\n                  sarRatio = [2, 1];\n                  break;\n\n                case 255:\n                  {\n                    sarRatio = [expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte(), expGolombDecoder.readUnsignedByte() << 8 | expGolombDecoder.readUnsignedByte()];\n                    break;\n                  }\n              }\n\n              if (sarRatio) {\n                sarScale = sarRatio[0] / sarRatio[1];\n              }\n            }\n          }\n\n          return {\n            profileIdc: profileIdc,\n            levelIdc: levelIdc,\n            profileCompatibility: profileCompatibility,\n            width: Math.ceil(((picWidthInMbsMinus1 + 1) * 16 - frameCropLeftOffset * 2 - frameCropRightOffset * 2) * sarScale),\n            height: (2 - frameMbsOnlyFlag) * (picHeightInMapUnitsMinus1 + 1) * 16 - frameCropTopOffset * 2 - frameCropBottomOffset * 2,\n            sarRatio: sarRatio\n          };\n        };\n      };\n\n      _H264Stream.prototype = new stream();\n      var h264 = {\n        H264Stream: _H264Stream,\n        NalByteStream: _NalByteStream\n      };\n      /**\n       * mux.js\n       *\n       * Copyright (c) Brightcove\n       * Licensed Apache-2.0 https://github.com/videojs/mux.js/blob/master/LICENSE\n       *\n       * Utilities to detect basic properties and metadata about Aac data.\n       */\n\n      var ADTS_SAMPLING_FREQUENCIES$1 = [96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350];\n\n      var isLikelyAacData = function isLikelyAacData(data) {\n        if (data[0] === 'I'.charCodeAt(0) && data[1] === 'D'.charCodeAt(0) && data[2] === '3'.charCodeAt(0)) {\n          return true;\n        }\n\n        return false;\n      };\n\n      var parseSyncSafeInteger$1 = function parseSyncSafeInteger(data) {\n        return data[0] << 21 | data[1] << 14 | data[2] << 7 | data[3];\n      }; // return a percent-encoded representation of the specified byte range\n      // @see http://en.wikipedia.org/wiki/Percent-encoding\n\n\n      var percentEncode$1 = function percentEncode(bytes, start, end) {\n        var i,\n            result = '';\n\n        for (i = start; i < end; i++) {\n          result += '%' + ('00' + bytes[i].toString(16)).slice(-2);\n        }\n\n        return result;\n      }; // return the string representation of the specified byte range,\n      // interpreted as ISO-8859-1.\n\n\n      var parseIso88591$1 = function parseIso88591(bytes, start, end) {\n        return unescape(percentEncode$1(bytes, start, end)); // jshint ignore:line\n      };\n\n      var parseId3TagSize = function parseId3TagSize(header, byteIndex) {\n        var returnSize = header[byteIndex + 6] << 21 | header[byteIndex + 7] << 14 | header[byteIndex + 8] << 7 | header[byteIndex + 9],\n            flags = header[byteIndex + 5],\n            footerPresent = (flags & 16) >> 4;\n\n        if (footerPresent) {\n          return returnSize + 20;\n        }\n\n        return returnSize + 10;\n      };\n\n      var parseAdtsSize = function parseAdtsSize(header, byteIndex) {\n        var lowThree = (header[byteIndex + 5] & 0xE0) >> 5,\n            middle = header[byteIndex + 4] << 3,\n            highTwo = header[byteIndex + 3] & 0x3 << 11;\n        return highTwo | middle | lowThree;\n      };\n\n      var parseType = function parseType(header, byteIndex) {\n        if (header[byteIndex] === 'I'.charCodeAt(0) && header[byteIndex + 1] === 'D'.charCodeAt(0) && header[byteIndex + 2] === '3'.charCodeAt(0)) {\n          return 'timed-metadata';\n        } else if (header[byteIndex] & 0xff === 0xff && (header[byteIndex + 1] & 0xf0) === 0xf0) {\n          return 'audio';\n        }\n\n        return null;\n      };\n\n      var parseSampleRate = function parseSampleRate(packet) {\n        var i = 0;\n\n        while (i + 5 < packet.length) {\n          if (packet[i] !== 0xFF || (packet[i + 1] & 0xF6) !== 0xF0) {\n            // If a valid header was not found,  jump one forward and attempt to\n            // find a valid ADTS header starting at the next byte\n            i++;\n            continue;\n          }\n\n          return ADTS_SAMPLING_FREQUENCIES$1[(packet[i + 2] & 0x3c) >>> 2];\n        }\n\n        return null;\n      };\n\n      var parseAacTimestamp = function parseAacTimestamp(packet) {\n        var frameStart, frameSize, frame, frameHeader; // find the start of the first frame and the end of the tag\n\n        frameStart = 10;\n\n        if (packet[5] & 0x40) {\n          // advance the frame start past the extended header\n          frameStart += 4; // header size field\n\n          frameStart += parseSyncSafeInteger$1(packet.subarray(10, 14));\n        } // parse one or more ID3 frames\n        // http://id3.org/id3v2.3.0#ID3v2_frame_overview\n\n\n        do {\n          // determine the number of bytes in this frame\n          frameSize = parseSyncSafeInteger$1(packet.subarray(frameStart + 4, frameStart + 8));\n\n          if (frameSize < 1) {\n            return null;\n          }\n\n          frameHeader = String.fromCharCode(packet[frameStart], packet[frameStart + 1], packet[frameStart + 2], packet[frameStart + 3]);\n\n          if (frameHeader === 'PRIV') {\n            frame = packet.subarray(frameStart + 10, frameStart + frameSize + 10);\n\n            for (var i = 0; i < frame.byteLength; i++) {\n              if (frame[i] === 0) {\n                var owner = parseIso88591$1(frame, 0, i);\n\n                if (owner === 'com.apple.streaming.transportStreamTimestamp') {\n                  var d = frame.subarray(i + 1);\n                  var size = (d[3] & 0x01) << 30 | d[4] << 22 | d[5] << 14 | d[6] << 6 | d[7] >>> 2;\n                  size *= 4;\n                  size += d[7] & 0x03;\n                  return size;\n                }\n\n                break;\n              }\n            }\n          }\n\n          frameStart += 10; // advance past the frame header\n\n          frameStart += frameSize; // advance past the frame body\n        } while (frameStart < packet.byteLength);\n\n        return null;\n      };\n\n      var utils = {\n        isLikelyAacData: isLikelyAacData,\n        parseId3TagSize: parseId3TagSize,\n        parseAdtsSize: parseAdtsSize,\n        parseType: parseType,\n        parseSampleRate: parseSampleRate,\n        parseAacTimestamp: parseAacTimestamp\n      }; // Constants\n\n      var _AacStream;\n      /**\n       * Splits an incoming stream of binary data into ADTS and ID3 Frames.\n       */\n\n\n      _AacStream = function AacStream() {\n        var everything = new Uint8Array(),\n            timeStamp = 0;\n\n        _AacStream.prototype.init.call(this);\n\n        this.setTimestamp = function (timestamp) {\n          timeStamp = timestamp;\n        };\n\n        this.push = function (bytes) {\n          var frameSize = 0,\n              byteIndex = 0,\n              bytesLeft,\n              chunk,\n              packet,\n              tempLength; // If there are bytes remaining from the last segment, prepend them to the\n          // bytes that were pushed in\n\n          if (everything.length) {\n            tempLength = everything.length;\n            everything = new Uint8Array(bytes.byteLength + tempLength);\n            everything.set(everything.subarray(0, tempLength));\n            everything.set(bytes, tempLength);\n          } else {\n            everything = bytes;\n          }\n\n          while (everything.length - byteIndex >= 3) {\n            if (everything[byteIndex] === 'I'.charCodeAt(0) && everything[byteIndex + 1] === 'D'.charCodeAt(0) && everything[byteIndex + 2] === '3'.charCodeAt(0)) {\n              // Exit early because we don't have enough to parse\n              // the ID3 tag header\n              if (everything.length - byteIndex < 10) {\n                break;\n              } // check framesize\n\n\n              frameSize = utils.parseId3TagSize(everything, byteIndex); // Exit early if we don't have enough in the buffer\n              // to emit a full packet\n              // Add to byteIndex to support multiple ID3 tags in sequence\n\n              if (byteIndex + frameSize > everything.length) {\n                break;\n              }\n\n              chunk = {\n                type: 'timed-metadata',\n                data: everything.subarray(byteIndex, byteIndex + frameSize)\n              };\n              this.trigger('data', chunk);\n              byteIndex += frameSize;\n              continue;\n            } else if ((everything[byteIndex] & 0xff) === 0xff && (everything[byteIndex + 1] & 0xf0) === 0xf0) {\n              // Exit early because we don't have enough to parse\n              // the ADTS frame header\n              if (everything.length - byteIndex < 7) {\n                break;\n              }\n\n              frameSize = utils.parseAdtsSize(everything, byteIndex); // Exit early if we don't have enough in the buffer\n              // to emit a full packet\n\n              if (byteIndex + frameSize > everything.length) {\n                break;\n              }\n\n              packet = {\n                type: 'audio',\n                data: everything.subarray(byteIndex, byteIndex + frameSize),\n                pts: timeStamp,\n                dts: timeStamp\n              };\n              this.trigger('data', packet);\n              byteIndex += frameSize;\n              continue;\n            }\n\n            byteIndex++;\n          }\n\n          bytesLeft = everything.length - byteIndex;\n\n          if (bytesLeft > 0) {\n            everything = everything.subarray(byteIndex);\n          } else {\n            everything = new Uint8Array();\n          }\n        };\n\n        this.reset = function () {\n          everything = new Uint8Array();\n          this.trigger('reset');\n        };\n\n        this.endTimeline = function () {\n          everything = new Uint8Array();\n          this.trigger('endedtimeline');\n        };\n      };\n\n      _AacStream.prototype = new stream();\n      var aac = _AacStream;\n      var H264Stream = h264.H264Stream;\n      var isLikelyAacData$1 = utils.isLikelyAacData;\n      var ONE_SECOND_IN_TS$3 = clock.ONE_SECOND_IN_TS; // constants\n\n      var AUDIO_PROPERTIES = ['audioobjecttype', 'channelcount', 'samplerate', 'samplingfrequencyindex', 'samplesize'];\n      var VIDEO_PROPERTIES = ['width', 'height', 'profileIdc', 'levelIdc', 'profileCompatibility', 'sarRatio']; // object types\n\n      var _VideoSegmentStream, _AudioSegmentStream, _Transmuxer, _CoalesceStream;\n      /**\n       * Compare two arrays (even typed) for same-ness\n       */\n\n\n      var arrayEquals = function arrayEquals(a, b) {\n        var i;\n\n        if (a.length !== b.length) {\n          return false;\n        } // compare the value of each element in the array\n\n\n        for (i = 0; i < a.length; i++) {\n          if (a[i] !== b[i]) {\n            return false;\n          }\n        }\n\n        return true;\n      };\n\n      var generateVideoSegmentTimingInfo = function generateVideoSegmentTimingInfo(baseMediaDecodeTime, startDts, startPts, endDts, endPts, prependedContentDuration) {\n        var ptsOffsetFromDts = startPts - startDts,\n            decodeDuration = endDts - startDts,\n            presentationDuration = endPts - startPts; // The PTS and DTS values are based on the actual stream times from the segment,\n        // however, the player time values will reflect a start from the baseMediaDecodeTime.\n        // In order to provide relevant values for the player times, base timing info on the\n        // baseMediaDecodeTime and the DTS and PTS durations of the segment.\n\n        return {\n          start: {\n            dts: baseMediaDecodeTime,\n            pts: baseMediaDecodeTime + ptsOffsetFromDts\n          },\n          end: {\n            dts: baseMediaDecodeTime + decodeDuration,\n            pts: baseMediaDecodeTime + presentationDuration\n          },\n          prependedContentDuration: prependedContentDuration,\n          baseMediaDecodeTime: baseMediaDecodeTime\n        };\n      };\n      /**\n       * Constructs a single-track, ISO BMFF media segment from AAC data\n       * events. The output of this stream can be fed to a SourceBuffer\n       * configured with a suitable initialization segment.\n       * @param track {object} track metadata configuration\n       * @param options {object} transmuxer options object\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n\n      _AudioSegmentStream = function AudioSegmentStream(track, options) {\n        var adtsFrames = [],\n            sequenceNumber = 0,\n            earliestAllowedDts = 0,\n            audioAppendStartTs = 0,\n            videoBaseMediaDecodeTime = Infinity;\n        options = options || {};\n\n        _AudioSegmentStream.prototype.init.call(this);\n\n        this.push = function (data) {\n          trackDecodeInfo.collectDtsInfo(track, data);\n\n          if (track) {\n            AUDIO_PROPERTIES.forEach(function (prop) {\n              track[prop] = data[prop];\n            });\n          } // buffer audio data until end() is called\n\n\n          adtsFrames.push(data);\n        };\n\n        this.setEarliestDts = function (earliestDts) {\n          earliestAllowedDts = earliestDts - track.timelineStartInfo.baseMediaDecodeTime;\n        };\n\n        this.setVideoBaseMediaDecodeTime = function (baseMediaDecodeTime) {\n          videoBaseMediaDecodeTime = baseMediaDecodeTime;\n        };\n\n        this.setAudioAppendStart = function (timestamp) {\n          audioAppendStartTs = timestamp;\n        };\n\n        this.flush = function () {\n          var frames, moof, mdat, boxes, frameDuration; // return early if no audio data has been observed\n\n          if (adtsFrames.length === 0) {\n            this.trigger('done', 'AudioSegmentStream');\n            return;\n          }\n\n          frames = audioFrameUtils.trimAdtsFramesByEarliestDts(adtsFrames, track, earliestAllowedDts);\n          track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);\n          audioFrameUtils.prefixWithSilence(track, frames, audioAppendStartTs, videoBaseMediaDecodeTime); // we have to build the index from byte locations to\n          // samples (that is, adts frames) in the audio data\n\n          track.samples = audioFrameUtils.generateSampleTable(frames); // concatenate the audio data to constuct the mdat\n\n          mdat = mp4Generator.mdat(audioFrameUtils.concatenateFrameData(frames));\n          adtsFrames = [];\n          moof = mp4Generator.moof(sequenceNumber, [track]);\n          boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // bump the sequence number for next time\n\n          sequenceNumber++;\n          boxes.set(moof);\n          boxes.set(mdat, moof.byteLength);\n          trackDecodeInfo.clearDtsInfo(track);\n          frameDuration = Math.ceil(ONE_SECOND_IN_TS$3 * 1024 / track.samplerate); // TODO this check was added to maintain backwards compatibility (particularly with\n          // tests) on adding the timingInfo event. However, it seems unlikely that there's a\n          // valid use-case where an init segment/data should be triggered without associated\n          // frames. Leaving for now, but should be looked into.\n\n          if (frames.length) {\n            this.trigger('timingInfo', {\n              start: frames[0].pts,\n              end: frames[0].pts + frames.length * frameDuration\n            });\n          }\n\n          this.trigger('data', {\n            track: track,\n            boxes: boxes\n          });\n          this.trigger('done', 'AudioSegmentStream');\n        };\n\n        this.reset = function () {\n          trackDecodeInfo.clearDtsInfo(track);\n          adtsFrames = [];\n          this.trigger('reset');\n        };\n      };\n\n      _AudioSegmentStream.prototype = new stream();\n      /**\n       * Constructs a single-track, ISO BMFF media segment from H264 data\n       * events. The output of this stream can be fed to a SourceBuffer\n       * configured with a suitable initialization segment.\n       * @param track {object} track metadata configuration\n       * @param options {object} transmuxer options object\n       * @param options.alignGopsAtEnd {boolean} If true, start from the end of the\n       *        gopsToAlignWith list when attempting to align gop pts\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at 0.\n       */\n\n      _VideoSegmentStream = function VideoSegmentStream(track, options) {\n        var sequenceNumber = 0,\n            nalUnits = [],\n            gopsToAlignWith = [],\n            config,\n            pps;\n        options = options || {};\n\n        _VideoSegmentStream.prototype.init.call(this);\n\n        delete track.minPTS;\n        this.gopCache_ = [];\n        /**\n          * Constructs a ISO BMFF segment given H264 nalUnits\n          * @param {Object} nalUnit A data event representing a nalUnit\n          * @param {String} nalUnit.nalUnitType\n          * @param {Object} nalUnit.config Properties for a mp4 track\n          * @param {Uint8Array} nalUnit.data The nalUnit bytes\n          * @see lib/codecs/h264.js\n         **/\n\n        this.push = function (nalUnit) {\n          trackDecodeInfo.collectDtsInfo(track, nalUnit); // record the track config\n\n          if (nalUnit.nalUnitType === 'seq_parameter_set_rbsp' && !config) {\n            config = nalUnit.config;\n            track.sps = [nalUnit.data];\n            VIDEO_PROPERTIES.forEach(function (prop) {\n              track[prop] = config[prop];\n            }, this);\n          }\n\n          if (nalUnit.nalUnitType === 'pic_parameter_set_rbsp' && !pps) {\n            pps = nalUnit.data;\n            track.pps = [nalUnit.data];\n          } // buffer video until flush() is called\n\n\n          nalUnits.push(nalUnit);\n        };\n        /**\n          * Pass constructed ISO BMFF track and boxes on to the\n          * next stream in the pipeline\n         **/\n\n\n        this.flush = function () {\n          var frames,\n              gopForFusion,\n              gops,\n              moof,\n              mdat,\n              boxes,\n              prependedContentDuration = 0,\n              firstGop,\n              lastGop; // Throw away nalUnits at the start of the byte stream until\n          // we find the first AUD\n\n          while (nalUnits.length) {\n            if (nalUnits[0].nalUnitType === 'access_unit_delimiter_rbsp') {\n              break;\n            }\n\n            nalUnits.shift();\n          } // Return early if no video data has been observed\n\n\n          if (nalUnits.length === 0) {\n            this.resetStream_();\n            this.trigger('done', 'VideoSegmentStream');\n            return;\n          } // Organize the raw nal-units into arrays that represent\n          // higher-level constructs such as frames and gops\n          // (group-of-pictures)\n\n\n          frames = frameUtils.groupNalsIntoFrames(nalUnits);\n          gops = frameUtils.groupFramesIntoGops(frames); // If the first frame of this fragment is not a keyframe we have\n          // a problem since MSE (on Chrome) requires a leading keyframe.\n          //\n          // We have two approaches to repairing this situation:\n          // 1) GOP-FUSION:\n          //    This is where we keep track of the GOPS (group-of-pictures)\n          //    from previous fragments and attempt to find one that we can\n          //    prepend to the current fragment in order to create a valid\n          //    fragment.\n          // 2) KEYFRAME-PULLING:\n          //    Here we search for the first keyframe in the fragment and\n          //    throw away all the frames between the start of the fragment\n          //    and that keyframe. We then extend the duration and pull the\n          //    PTS of the keyframe forward so that it covers the time range\n          //    of the frames that were disposed of.\n          //\n          // #1 is far prefereable over #2 which can cause \"stuttering\" but\n          // requires more things to be just right.\n\n          if (!gops[0][0].keyFrame) {\n            // Search for a gop for fusion from our gopCache\n            gopForFusion = this.getGopForFusion_(nalUnits[0], track);\n\n            if (gopForFusion) {\n              // in order to provide more accurate timing information about the segment, save\n              // the number of seconds prepended to the original segment due to GOP fusion\n              prependedContentDuration = gopForFusion.duration;\n              gops.unshift(gopForFusion); // Adjust Gops' metadata to account for the inclusion of the\n              // new gop at the beginning\n\n              gops.byteLength += gopForFusion.byteLength;\n              gops.nalCount += gopForFusion.nalCount;\n              gops.pts = gopForFusion.pts;\n              gops.dts = gopForFusion.dts;\n              gops.duration += gopForFusion.duration;\n            } else {\n              // If we didn't find a candidate gop fall back to keyframe-pulling\n              gops = frameUtils.extendFirstKeyFrame(gops);\n            }\n          } // Trim gops to align with gopsToAlignWith\n\n\n          if (gopsToAlignWith.length) {\n            var alignedGops;\n\n            if (options.alignGopsAtEnd) {\n              alignedGops = this.alignGopsAtEnd_(gops);\n            } else {\n              alignedGops = this.alignGopsAtStart_(gops);\n            }\n\n            if (!alignedGops) {\n              // save all the nals in the last GOP into the gop cache\n              this.gopCache_.unshift({\n                gop: gops.pop(),\n                pps: track.pps,\n                sps: track.sps\n              }); // Keep a maximum of 6 GOPs in the cache\n\n              this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits\n\n              nalUnits = []; // return early no gops can be aligned with desired gopsToAlignWith\n\n              this.resetStream_();\n              this.trigger('done', 'VideoSegmentStream');\n              return;\n            } // Some gops were trimmed. clear dts info so minSegmentDts and pts are correct\n            // when recalculated before sending off to CoalesceStream\n\n\n            trackDecodeInfo.clearDtsInfo(track);\n            gops = alignedGops;\n          }\n\n          trackDecodeInfo.collectDtsInfo(track, gops); // First, we have to build the index from byte locations to\n          // samples (that is, frames) in the video data\n\n          track.samples = frameUtils.generateSampleTable(gops); // Concatenate the video data and construct the mdat\n\n          mdat = mp4Generator.mdat(frameUtils.concatenateNalData(gops));\n          track.baseMediaDecodeTime = trackDecodeInfo.calculateTrackBaseMediaDecodeTime(track, options.keepOriginalTimestamps);\n          this.trigger('processedGopsInfo', gops.map(function (gop) {\n            return {\n              pts: gop.pts,\n              dts: gop.dts,\n              byteLength: gop.byteLength\n            };\n          }));\n          firstGop = gops[0];\n          lastGop = gops[gops.length - 1];\n          this.trigger('segmentTimingInfo', generateVideoSegmentTimingInfo(track.baseMediaDecodeTime, firstGop.dts, firstGop.pts, lastGop.dts + lastGop.duration, lastGop.pts + lastGop.duration, prependedContentDuration));\n          this.trigger('timingInfo', {\n            start: gops[0].pts,\n            end: gops[gops.length - 1].pts + gops[gops.length - 1].duration\n          }); // save all the nals in the last GOP into the gop cache\n\n          this.gopCache_.unshift({\n            gop: gops.pop(),\n            pps: track.pps,\n            sps: track.sps\n          }); // Keep a maximum of 6 GOPs in the cache\n\n          this.gopCache_.length = Math.min(6, this.gopCache_.length); // Clear nalUnits\n\n          nalUnits = [];\n          this.trigger('baseMediaDecodeTime', track.baseMediaDecodeTime);\n          this.trigger('timelineStartInfo', track.timelineStartInfo);\n          moof = mp4Generator.moof(sequenceNumber, [track]); // it would be great to allocate this array up front instead of\n          // throwing away hundreds of media segment fragments\n\n          boxes = new Uint8Array(moof.byteLength + mdat.byteLength); // Bump the sequence number for next time\n\n          sequenceNumber++;\n          boxes.set(moof);\n          boxes.set(mdat, moof.byteLength);\n          this.trigger('data', {\n            track: track,\n            boxes: boxes\n          });\n          this.resetStream_(); // Continue with the flush process now\n\n          this.trigger('done', 'VideoSegmentStream');\n        };\n\n        this.reset = function () {\n          this.resetStream_();\n          nalUnits = [];\n          this.gopCache_.length = 0;\n          gopsToAlignWith.length = 0;\n          this.trigger('reset');\n        };\n\n        this.resetStream_ = function () {\n          trackDecodeInfo.clearDtsInfo(track); // reset config and pps because they may differ across segments\n          // for instance, when we are rendition switching\n\n          config = undefined;\n          pps = undefined;\n        }; // Search for a candidate Gop for gop-fusion from the gop cache and\n        // return it or return null if no good candidate was found\n\n\n        this.getGopForFusion_ = function (nalUnit) {\n          var halfSecond = 45000,\n              // Half-a-second in a 90khz clock\n          allowableOverlap = 10000,\n              // About 3 frames @ 30fps\n          nearestDistance = Infinity,\n              dtsDistance,\n              nearestGopObj,\n              currentGop,\n              currentGopObj,\n              i; // Search for the GOP nearest to the beginning of this nal unit\n\n          for (i = 0; i < this.gopCache_.length; i++) {\n            currentGopObj = this.gopCache_[i];\n            currentGop = currentGopObj.gop; // Reject Gops with different SPS or PPS\n\n            if (!(track.pps && arrayEquals(track.pps[0], currentGopObj.pps[0])) || !(track.sps && arrayEquals(track.sps[0], currentGopObj.sps[0]))) {\n              continue;\n            } // Reject Gops that would require a negative baseMediaDecodeTime\n\n\n            if (currentGop.dts < track.timelineStartInfo.dts) {\n              continue;\n            } // The distance between the end of the gop and the start of the nalUnit\n\n\n            dtsDistance = nalUnit.dts - currentGop.dts - currentGop.duration; // Only consider GOPS that start before the nal unit and end within\n            // a half-second of the nal unit\n\n            if (dtsDistance >= -allowableOverlap && dtsDistance <= halfSecond) {\n              // Always use the closest GOP we found if there is more than\n              // one candidate\n              if (!nearestGopObj || nearestDistance > dtsDistance) {\n                nearestGopObj = currentGopObj;\n                nearestDistance = dtsDistance;\n              }\n            }\n          }\n\n          if (nearestGopObj) {\n            return nearestGopObj.gop;\n          }\n\n          return null;\n        }; // trim gop list to the first gop found that has a matching pts with a gop in the list\n        // of gopsToAlignWith starting from the START of the list\n\n\n        this.alignGopsAtStart_ = function (gops) {\n          var alignIndex, gopIndex, align, gop, byteLength, nalCount, duration, alignedGops;\n          byteLength = gops.byteLength;\n          nalCount = gops.nalCount;\n          duration = gops.duration;\n          alignIndex = gopIndex = 0;\n\n          while (alignIndex < gopsToAlignWith.length && gopIndex < gops.length) {\n            align = gopsToAlignWith[alignIndex];\n            gop = gops[gopIndex];\n\n            if (align.pts === gop.pts) {\n              break;\n            }\n\n            if (gop.pts > align.pts) {\n              // this current gop starts after the current gop we want to align on, so increment\n              // align index\n              alignIndex++;\n              continue;\n            } // current gop starts before the current gop we want to align on. so increment gop\n            // index\n\n\n            gopIndex++;\n            byteLength -= gop.byteLength;\n            nalCount -= gop.nalCount;\n            duration -= gop.duration;\n          }\n\n          if (gopIndex === 0) {\n            // no gops to trim\n            return gops;\n          }\n\n          if (gopIndex === gops.length) {\n            // all gops trimmed, skip appending all gops\n            return null;\n          }\n\n          alignedGops = gops.slice(gopIndex);\n          alignedGops.byteLength = byteLength;\n          alignedGops.duration = duration;\n          alignedGops.nalCount = nalCount;\n          alignedGops.pts = alignedGops[0].pts;\n          alignedGops.dts = alignedGops[0].dts;\n          return alignedGops;\n        }; // trim gop list to the first gop found that has a matching pts with a gop in the list\n        // of gopsToAlignWith starting from the END of the list\n\n\n        this.alignGopsAtEnd_ = function (gops) {\n          var alignIndex, gopIndex, align, gop, alignEndIndex, matchFound;\n          alignIndex = gopsToAlignWith.length - 1;\n          gopIndex = gops.length - 1;\n          alignEndIndex = null;\n          matchFound = false;\n\n          while (alignIndex >= 0 && gopIndex >= 0) {\n            align = gopsToAlignWith[alignIndex];\n            gop = gops[gopIndex];\n\n            if (align.pts === gop.pts) {\n              matchFound = true;\n              break;\n            }\n\n            if (align.pts > gop.pts) {\n              alignIndex--;\n              continue;\n            }\n\n            if (alignIndex === gopsToAlignWith.length - 1) {\n              // gop.pts is greater than the last alignment candidate. If no match is found\n              // by the end of this loop, we still want to append gops that come after this\n              // point\n              alignEndIndex = gopIndex;\n            }\n\n            gopIndex--;\n          }\n\n          if (!matchFound && alignEndIndex === null) {\n            return null;\n          }\n\n          var trimIndex;\n\n          if (matchFound) {\n            trimIndex = gopIndex;\n          } else {\n            trimIndex = alignEndIndex;\n          }\n\n          if (trimIndex === 0) {\n            return gops;\n          }\n\n          var alignedGops = gops.slice(trimIndex);\n          var metadata = alignedGops.reduce(function (total, gop) {\n            total.byteLength += gop.byteLength;\n            total.duration += gop.duration;\n            total.nalCount += gop.nalCount;\n            return total;\n          }, {\n            byteLength: 0,\n            duration: 0,\n            nalCount: 0\n          });\n          alignedGops.byteLength = metadata.byteLength;\n          alignedGops.duration = metadata.duration;\n          alignedGops.nalCount = metadata.nalCount;\n          alignedGops.pts = alignedGops[0].pts;\n          alignedGops.dts = alignedGops[0].dts;\n          return alignedGops;\n        };\n\n        this.alignGopsWith = function (newGopsToAlignWith) {\n          gopsToAlignWith = newGopsToAlignWith;\n        };\n      };\n\n      _VideoSegmentStream.prototype = new stream();\n      /**\n       * A Stream that can combine multiple streams (ie. audio & video)\n       * into a single output segment for MSE. Also supports audio-only\n       * and video-only streams.\n       * @param options {object} transmuxer options object\n       * @param options.keepOriginalTimestamps {boolean} If true, keep the timestamps\n       *        in the source; false to adjust the first segment to start at media timeline start.\n       */\n\n      _CoalesceStream = function CoalesceStream(options, metadataStream) {\n        // Number of Tracks per output segment\n        // If greater than 1, we combine multiple\n        // tracks into a single segment\n        this.numberOfTracks = 0;\n        this.metadataStream = metadataStream;\n        options = options || {};\n\n        if (typeof options.remux !== 'undefined') {\n          this.remuxTracks = !!options.remux;\n        } else {\n          this.remuxTracks = true;\n        }\n\n        if (typeof options.keepOriginalTimestamps === 'boolean') {\n          this.keepOriginalTimestamps = options.keepOriginalTimestamps;\n        } else {\n          this.keepOriginalTimestamps = false;\n        }\n\n        this.pendingTracks = [];\n        this.videoTrack = null;\n        this.pendingBoxes = [];\n        this.pendingCaptions = [];\n        this.pendingMetadata = [];\n        this.pendingBytes = 0;\n        this.emittedTracks = 0;\n\n        _CoalesceStream.prototype.init.call(this); // Take output from multiple\n\n\n        this.push = function (output) {\n          // buffer incoming captions until the associated video segment\n          // finishes\n          if (output.text) {\n            return this.pendingCaptions.push(output);\n          } // buffer incoming id3 tags until the final flush\n\n\n          if (output.frames) {\n            return this.pendingMetadata.push(output);\n          } // Add this track to the list of pending tracks and store\n          // important information required for the construction of\n          // the final segment\n\n\n          this.pendingTracks.push(output.track);\n          this.pendingBytes += output.boxes.byteLength; // TODO: is there an issue for this against chrome?\n          // We unshift audio and push video because\n          // as of Chrome 75 when switching from\n          // one init segment to another if the video\n          // mdat does not appear after the audio mdat\n          // only audio will play for the duration of our transmux.\n\n          if (output.track.type === 'video') {\n            this.videoTrack = output.track;\n            this.pendingBoxes.push(output.boxes);\n          }\n\n          if (output.track.type === 'audio') {\n            this.audioTrack = output.track;\n            this.pendingBoxes.unshift(output.boxes);\n          }\n        };\n      };\n\n      _CoalesceStream.prototype = new stream();\n\n      _CoalesceStream.prototype.flush = function (flushSource) {\n        var offset = 0,\n            event = {\n          captions: [],\n          captionStreams: {},\n          metadata: [],\n          info: {}\n        },\n            caption,\n            id3,\n            initSegment,\n            timelineStartPts = 0,\n            i;\n\n        if (this.pendingTracks.length < this.numberOfTracks) {\n          if (flushSource !== 'VideoSegmentStream' && flushSource !== 'AudioSegmentStream') {\n            // Return because we haven't received a flush from a data-generating\n            // portion of the segment (meaning that we have only recieved meta-data\n            // or captions.)\n            return;\n          } else if (this.remuxTracks) {\n            // Return until we have enough tracks from the pipeline to remux (if we\n            // are remuxing audio and video into a single MP4)\n            return;\n          } else if (this.pendingTracks.length === 0) {\n            // In the case where we receive a flush without any data having been\n            // received we consider it an emitted track for the purposes of coalescing\n            // `done` events.\n            // We do this for the case where there is an audio and video track in the\n            // segment but no audio data. (seen in several playlists with alternate\n            // audio tracks and no audio present in the main TS segments.)\n            this.emittedTracks++;\n\n            if (this.emittedTracks >= this.numberOfTracks) {\n              this.trigger('done');\n              this.emittedTracks = 0;\n            }\n\n            return;\n          }\n        }\n\n        if (this.videoTrack) {\n          timelineStartPts = this.videoTrack.timelineStartInfo.pts;\n          VIDEO_PROPERTIES.forEach(function (prop) {\n            event.info[prop] = this.videoTrack[prop];\n          }, this);\n        } else if (this.audioTrack) {\n          timelineStartPts = this.audioTrack.timelineStartInfo.pts;\n          AUDIO_PROPERTIES.forEach(function (prop) {\n            event.info[prop] = this.audioTrack[prop];\n          }, this);\n        }\n\n        if (this.videoTrack || this.audioTrack) {\n          if (this.pendingTracks.length === 1) {\n            event.type = this.pendingTracks[0].type;\n          } else {\n            event.type = 'combined';\n          }\n\n          this.emittedTracks += this.pendingTracks.length;\n          initSegment = mp4Generator.initSegment(this.pendingTracks); // Create a new typed array to hold the init segment\n\n          event.initSegment = new Uint8Array(initSegment.byteLength); // Create an init segment containing a moov\n          // and track definitions\n\n          event.initSegment.set(initSegment); // Create a new typed array to hold the moof+mdats\n\n          event.data = new Uint8Array(this.pendingBytes); // Append each moof+mdat (one per track) together\n\n          for (i = 0; i < this.pendingBoxes.length; i++) {\n            event.data.set(this.pendingBoxes[i], offset);\n            offset += this.pendingBoxes[i].byteLength;\n          } // Translate caption PTS times into second offsets to match the\n          // video timeline for the segment, and add track info\n\n\n          for (i = 0; i < this.pendingCaptions.length; i++) {\n            caption = this.pendingCaptions[i];\n            caption.startTime = clock.metadataTsToSeconds(caption.startPts, timelineStartPts, this.keepOriginalTimestamps);\n            caption.endTime = clock.metadataTsToSeconds(caption.endPts, timelineStartPts, this.keepOriginalTimestamps);\n            event.captionStreams[caption.stream] = true;\n            event.captions.push(caption);\n          } // Translate ID3 frame PTS times into second offsets to match the\n          // video timeline for the segment\n\n\n          for (i = 0; i < this.pendingMetadata.length; i++) {\n            id3 = this.pendingMetadata[i];\n            id3.cueTime = clock.metadataTsToSeconds(id3.pts, timelineStartPts, this.keepOriginalTimestamps);\n            event.metadata.push(id3);\n          } // We add this to every single emitted segment even though we only need\n          // it for the first\n\n\n          event.metadata.dispatchType = this.metadataStream.dispatchType; // Reset stream state\n\n          this.pendingTracks.length = 0;\n          this.videoTrack = null;\n          this.pendingBoxes.length = 0;\n          this.pendingCaptions.length = 0;\n          this.pendingBytes = 0;\n          this.pendingMetadata.length = 0; // Emit the built segment\n          // We include captions and ID3 tags for backwards compatibility,\n          // ideally we should send only video and audio in the data event\n\n          this.trigger('data', event); // Emit each caption to the outside world\n          // Ideally, this would happen immediately on parsing captions,\n          // but we need to ensure that video data is sent back first\n          // so that caption timing can be adjusted to match video timing\n\n          for (i = 0; i < event.captions.length; i++) {\n            caption = event.captions[i];\n            this.trigger('caption', caption);\n          } // Emit each id3 tag to the outside world\n          // Ideally, this would happen immediately on parsing the tag,\n          // but we need to ensure that video data is sent back first\n          // so that ID3 frame timing can be adjusted to match video timing\n\n\n          for (i = 0; i < event.metadata.length; i++) {\n            id3 = event.metadata[i];\n            this.trigger('id3Frame', id3);\n          }\n        } // Only emit `done` if all tracks have been flushed and emitted\n\n\n        if (this.emittedTracks >= this.numberOfTracks) {\n          this.trigger('done');\n          this.emittedTracks = 0;\n        }\n      };\n\n      _CoalesceStream.prototype.setRemux = function (val) {\n        this.remuxTracks = val;\n      };\n      /**\n       * A Stream that expects MP2T binary data as input and produces\n       * corresponding media segments, suitable for use with Media Source\n       * Extension (MSE) implementations that support the ISO BMFF byte\n       * stream format, like Chrome.\n       */\n\n\n      _Transmuxer = function Transmuxer(options) {\n        var self = this,\n            hasFlushed = true,\n            videoTrack,\n            audioTrack;\n\n        _Transmuxer.prototype.init.call(this);\n\n        options = options || {};\n        this.baseMediaDecodeTime = options.baseMediaDecodeTime || 0;\n        this.transmuxPipeline_ = {};\n\n        this.setupAacPipeline = function () {\n          var pipeline = {};\n          this.transmuxPipeline_ = pipeline;\n          pipeline.type = 'aac';\n          pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline\n\n          pipeline.aacStream = new aac();\n          pipeline.audioTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('audio');\n          pipeline.timedMetadataTimestampRolloverStream = new m2ts_1.TimestampRolloverStream('timed-metadata');\n          pipeline.adtsStream = new adts();\n          pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);\n          pipeline.headOfPipeline = pipeline.aacStream;\n          pipeline.aacStream.pipe(pipeline.audioTimestampRolloverStream).pipe(pipeline.adtsStream);\n          pipeline.aacStream.pipe(pipeline.timedMetadataTimestampRolloverStream).pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream);\n          pipeline.metadataStream.on('timestamp', function (frame) {\n            pipeline.aacStream.setTimestamp(frame.timeStamp);\n          });\n          pipeline.aacStream.on('data', function (data) {\n            if (data.type === 'timed-metadata' && !pipeline.audioSegmentStream) {\n              audioTrack = audioTrack || {\n                timelineStartInfo: {\n                  baseMediaDecodeTime: self.baseMediaDecodeTime\n                },\n                codec: 'adts',\n                type: 'audio'\n              }; // hook up the audio segment stream to the first track with aac data\n\n              pipeline.coalesceStream.numberOfTracks++;\n              pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);\n              pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline\n\n              pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);\n            } // emit pmt info\n\n\n            self.trigger('trackinfo', {\n              hasAudio: !!audioTrack,\n              hasVideo: !!videoTrack\n            });\n          }); // Re-emit any data coming from the coalesce stream to the outside world\n\n          pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data')); // Let the consumer know we have finished flushing the entire pipeline\n\n          pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));\n        };\n\n        this.setupTsPipeline = function () {\n          var pipeline = {};\n          this.transmuxPipeline_ = pipeline;\n          pipeline.type = 'ts';\n          pipeline.metadataStream = new m2ts_1.MetadataStream(); // set up the parsing pipeline\n\n          pipeline.packetStream = new m2ts_1.TransportPacketStream();\n          pipeline.parseStream = new m2ts_1.TransportParseStream();\n          pipeline.elementaryStream = new m2ts_1.ElementaryStream();\n          pipeline.timestampRolloverStream = new m2ts_1.TimestampRolloverStream();\n          pipeline.adtsStream = new adts();\n          pipeline.h264Stream = new H264Stream();\n          pipeline.captionStream = new m2ts_1.CaptionStream();\n          pipeline.coalesceStream = new _CoalesceStream(options, pipeline.metadataStream);\n          pipeline.headOfPipeline = pipeline.packetStream; // disassemble MPEG2-TS packets into elementary streams\n\n          pipeline.packetStream.pipe(pipeline.parseStream).pipe(pipeline.elementaryStream).pipe(pipeline.timestampRolloverStream); // !!THIS ORDER IS IMPORTANT!!\n          // demux the streams\n\n          pipeline.timestampRolloverStream.pipe(pipeline.h264Stream);\n          pipeline.timestampRolloverStream.pipe(pipeline.adtsStream);\n          pipeline.timestampRolloverStream.pipe(pipeline.metadataStream).pipe(pipeline.coalesceStream); // Hook up CEA-608/708 caption stream\n\n          pipeline.h264Stream.pipe(pipeline.captionStream).pipe(pipeline.coalesceStream);\n          pipeline.elementaryStream.on('data', function (data) {\n            var i;\n\n            if (data.type === 'metadata') {\n              i = data.tracks.length; // scan the tracks listed in the metadata\n\n              while (i--) {\n                if (!videoTrack && data.tracks[i].type === 'video') {\n                  videoTrack = data.tracks[i];\n                  videoTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;\n                } else if (!audioTrack && data.tracks[i].type === 'audio') {\n                  audioTrack = data.tracks[i];\n                  audioTrack.timelineStartInfo.baseMediaDecodeTime = self.baseMediaDecodeTime;\n                }\n              } // hook up the video segment stream to the first track with h264 data\n\n\n              if (videoTrack && !pipeline.videoSegmentStream) {\n                pipeline.coalesceStream.numberOfTracks++;\n                pipeline.videoSegmentStream = new _VideoSegmentStream(videoTrack, options);\n                pipeline.videoSegmentStream.on('timelineStartInfo', function (timelineStartInfo) {\n                  // When video emits timelineStartInfo data after a flush, we forward that\n                  // info to the AudioSegmentStream, if it exists, because video timeline\n                  // data takes precedence.\n                  if (audioTrack) {\n                    audioTrack.timelineStartInfo = timelineStartInfo; // On the first segment we trim AAC frames that exist before the\n                    // very earliest DTS we have seen in video because Chrome will\n                    // interpret any video track with a baseMediaDecodeTime that is\n                    // non-zero as a gap.\n\n                    pipeline.audioSegmentStream.setEarliestDts(timelineStartInfo.dts);\n                  }\n                });\n                pipeline.videoSegmentStream.on('processedGopsInfo', self.trigger.bind(self, 'gopInfo'));\n                pipeline.videoSegmentStream.on('segmentTimingInfo', self.trigger.bind(self, 'videoSegmentTimingInfo'));\n                pipeline.videoSegmentStream.on('baseMediaDecodeTime', function (baseMediaDecodeTime) {\n                  if (audioTrack) {\n                    pipeline.audioSegmentStream.setVideoBaseMediaDecodeTime(baseMediaDecodeTime);\n                  }\n                });\n                pipeline.videoSegmentStream.on('timingInfo', self.trigger.bind(self, 'videoTimingInfo')); // Set up the final part of the video pipeline\n\n                pipeline.h264Stream.pipe(pipeline.videoSegmentStream).pipe(pipeline.coalesceStream);\n              }\n\n              if (audioTrack && !pipeline.audioSegmentStream) {\n                // hook up the audio segment stream to the first track with aac data\n                pipeline.coalesceStream.numberOfTracks++;\n                pipeline.audioSegmentStream = new _AudioSegmentStream(audioTrack, options);\n                pipeline.audioSegmentStream.on('timingInfo', self.trigger.bind(self, 'audioTimingInfo')); // Set up the final part of the audio pipeline\n\n                pipeline.adtsStream.pipe(pipeline.audioSegmentStream).pipe(pipeline.coalesceStream);\n              } // emit pmt info\n\n\n              self.trigger('trackinfo', {\n                hasAudio: !!audioTrack,\n                hasVideo: !!videoTrack\n              });\n            }\n          }); // Re-emit any data coming from the coalesce stream to the outside world\n\n          pipeline.coalesceStream.on('data', this.trigger.bind(this, 'data'));\n          pipeline.coalesceStream.on('id3Frame', function (id3Frame) {\n            id3Frame.dispatchType = pipeline.metadataStream.dispatchType;\n            self.trigger('id3Frame', id3Frame);\n          });\n          pipeline.coalesceStream.on('caption', this.trigger.bind(this, 'caption')); // Let the consumer know we have finished flushing the entire pipeline\n\n          pipeline.coalesceStream.on('done', this.trigger.bind(this, 'done'));\n        }; // hook up the segment streams once track metadata is delivered\n\n\n        this.setBaseMediaDecodeTime = function (baseMediaDecodeTime) {\n          var pipeline = this.transmuxPipeline_;\n\n          if (!options.keepOriginalTimestamps) {\n            this.baseMediaDecodeTime = baseMediaDecodeTime;\n          }\n\n          if (audioTrack) {\n            audioTrack.timelineStartInfo.dts = undefined;\n            audioTrack.timelineStartInfo.pts = undefined;\n            trackDecodeInfo.clearDtsInfo(audioTrack);\n\n            if (!options.keepOriginalTimestamps) {\n              audioTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;\n            }\n\n            if (pipeline.audioTimestampRolloverStream) {\n              pipeline.audioTimestampRolloverStream.discontinuity();\n            }\n          }\n\n          if (videoTrack) {\n            if (pipeline.videoSegmentStream) {\n              pipeline.videoSegmentStream.gopCache_ = [];\n            }\n\n            videoTrack.timelineStartInfo.dts = undefined;\n            videoTrack.timelineStartInfo.pts = undefined;\n            trackDecodeInfo.clearDtsInfo(videoTrack);\n            pipeline.captionStream.reset();\n\n            if (!options.keepOriginalTimestamps) {\n              videoTrack.timelineStartInfo.baseMediaDecodeTime = baseMediaDecodeTime;\n            }\n          }\n\n          if (pipeline.timestampRolloverStream) {\n            pipeline.timestampRolloverStream.discontinuity();\n          }\n        };\n\n        this.setAudioAppendStart = function (timestamp) {\n          if (audioTrack) {\n            this.transmuxPipeline_.audioSegmentStream.setAudioAppendStart(timestamp);\n          }\n        };\n\n        this.setRemux = function (val) {\n          var pipeline = this.transmuxPipeline_;\n          options.remux = val;\n\n          if (pipeline && pipeline.coalesceStream) {\n            pipeline.coalesceStream.setRemux(val);\n          }\n        };\n\n        this.alignGopsWith = function (gopsToAlignWith) {\n          if (videoTrack && this.transmuxPipeline_.videoSegmentStream) {\n            this.transmuxPipeline_.videoSegmentStream.alignGopsWith(gopsToAlignWith);\n          }\n        }; // feed incoming data to the front of the parsing pipeline\n\n\n        this.push = function (data) {\n          if (hasFlushed) {\n            var isAac = isLikelyAacData$1(data);\n\n            if (isAac && this.transmuxPipeline_.type !== 'aac') {\n              this.setupAacPipeline();\n            } else if (!isAac && this.transmuxPipeline_.type !== 'ts') {\n              this.setupTsPipeline();\n            }\n\n            hasFlushed = false;\n          }\n\n          this.transmuxPipeline_.headOfPipeline.push(data);\n        }; // flush any buffered data\n\n\n        this.flush = function () {\n          hasFlushed = true; // Start at the top of the pipeline and flush all pending work\n\n          this.transmuxPipeline_.headOfPipeline.flush();\n        };\n\n        this.endTimeline = function () {\n          this.transmuxPipeline_.headOfPipeline.endTimeline();\n        };\n\n        this.reset = function () {\n          if (this.transmuxPipeline_.headOfPipeline) {\n            this.transmuxPipeline_.headOfPipeline.reset();\n          }\n        }; // Caption data has to be reset when seeking outside buffered range\n\n\n        this.resetCaptions = function () {\n          if (this.transmuxPipeline_.captionStream) {\n            this.transmuxPipeline_.captionStream.reset();\n          }\n        };\n      };\n\n      _Transmuxer.prototype = new stream();\n      var transmuxer = {\n        Transmuxer: _Transmuxer,\n        VideoSegmentStream: _VideoSegmentStream,\n        AudioSegmentStream: _AudioSegmentStream,\n        AUDIO_PROPERTIES: AUDIO_PROPERTIES,\n        VIDEO_PROPERTIES: VIDEO_PROPERTIES,\n        // exported for testing\n        generateVideoSegmentTimingInfo: generateVideoSegmentTimingInfo\n      };\n\n      var classCallCheck = function classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n          throw new TypeError(\"Cannot call a class as a function\");\n        }\n      };\n\n      var createClass = function () {\n        function defineProperties(target, props) {\n          for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n          }\n        }\n\n        return function (Constructor, protoProps, staticProps) {\n          if (protoProps) defineProperties(Constructor.prototype, protoProps);\n          if (staticProps) defineProperties(Constructor, staticProps);\n          return Constructor;\n        };\n      }();\n      /**\n       * @file transmuxer-worker.js\n       */\n\n      /**\n       * Re-emits transmuxer events by converting them into messages to the\n       * world outside the worker.\n       *\n       * @param {Object} transmuxer the transmuxer to wire events on\n       * @private\n       */\n\n\n      var wireTransmuxerEvents = function wireTransmuxerEvents(self, transmuxer$$1) {\n        transmuxer$$1.on('data', function (segment) {\n          // transfer ownership of the underlying ArrayBuffer\n          // instead of doing a copy to save memory\n          // ArrayBuffers are transferable but generic TypedArrays are not\n          // @link https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers#Passing_data_by_transferring_ownership_(transferable_objects)\n          var initArray = segment.initSegment;\n          segment.initSegment = {\n            data: initArray.buffer,\n            byteOffset: initArray.byteOffset,\n            byteLength: initArray.byteLength\n          };\n          var typedArray = segment.data;\n          segment.data = typedArray.buffer;\n          self.postMessage({\n            action: 'data',\n            segment: segment,\n            byteOffset: typedArray.byteOffset,\n            byteLength: typedArray.byteLength\n          }, [segment.data]);\n        });\n\n        if (transmuxer$$1.captionStream) {\n          transmuxer$$1.captionStream.on('data', function (caption) {\n            self.postMessage({\n              action: 'caption',\n              data: caption\n            });\n          });\n        }\n\n        transmuxer$$1.on('done', function (data) {\n          self.postMessage({\n            action: 'done'\n          });\n        });\n        transmuxer$$1.on('gopInfo', function (gopInfo) {\n          self.postMessage({\n            action: 'gopInfo',\n            gopInfo: gopInfo\n          });\n        });\n        transmuxer$$1.on('videoSegmentTimingInfo', function (videoSegmentTimingInfo) {\n          self.postMessage({\n            action: 'videoSegmentTimingInfo',\n            videoSegmentTimingInfo: videoSegmentTimingInfo\n          });\n        });\n      };\n      /**\n       * All incoming messages route through this hash. If no function exists\n       * to handle an incoming message, then we ignore the message.\n       *\n       * @class MessageHandlers\n       * @param {Object} options the options to initialize with\n       */\n\n\n      var MessageHandlers = function () {\n        function MessageHandlers(self, options) {\n          classCallCheck(this, MessageHandlers);\n          this.options = options || {};\n          this.self = self;\n          this.init();\n        }\n        /**\n         * initialize our web worker and wire all the events.\n         */\n\n\n        createClass(MessageHandlers, [{\n          key: 'init',\n          value: function init() {\n            if (this.transmuxer) {\n              this.transmuxer.dispose();\n            }\n\n            this.transmuxer = new transmuxer.Transmuxer(this.options);\n            wireTransmuxerEvents(this.self, this.transmuxer);\n          }\n          /**\n           * Adds data (a ts segment) to the start of the transmuxer pipeline for\n           * processing.\n           *\n           * @param {ArrayBuffer} data data to push into the muxer\n           */\n\n        }, {\n          key: 'push',\n          value: function push(data) {\n            // Cast array buffer to correct type for transmuxer\n            var segment = new Uint8Array(data.data, data.byteOffset, data.byteLength);\n            this.transmuxer.push(segment);\n          }\n          /**\n           * Recreate the transmuxer so that the next segment added via `push`\n           * start with a fresh transmuxer.\n           */\n\n        }, {\n          key: 'reset',\n          value: function reset() {\n            this.init();\n          }\n          /**\n           * Set the value that will be used as the `baseMediaDecodeTime` time for the\n           * next segment pushed in. Subsequent segments will have their `baseMediaDecodeTime`\n           * set relative to the first based on the PTS values.\n           *\n           * @param {Object} data used to set the timestamp offset in the muxer\n           */\n\n        }, {\n          key: 'setTimestampOffset',\n          value: function setTimestampOffset(data) {\n            var timestampOffset = data.timestampOffset || 0;\n            this.transmuxer.setBaseMediaDecodeTime(Math.round(timestampOffset * 90000));\n          }\n        }, {\n          key: 'setAudioAppendStart',\n          value: function setAudioAppendStart(data) {\n            this.transmuxer.setAudioAppendStart(Math.ceil(data.appendStart * 90000));\n          }\n          /**\n           * Forces the pipeline to finish processing the last segment and emit it's\n           * results.\n           *\n           * @param {Object} data event data, not really used\n           */\n\n        }, {\n          key: 'flush',\n          value: function flush(data) {\n            this.transmuxer.flush();\n          }\n        }, {\n          key: 'resetCaptions',\n          value: function resetCaptions() {\n            this.transmuxer.resetCaptions();\n          }\n        }, {\n          key: 'alignGopsWith',\n          value: function alignGopsWith(data) {\n            this.transmuxer.alignGopsWith(data.gopsToAlignWith.slice());\n          }\n        }]);\n        return MessageHandlers;\n      }();\n      /**\n       * Our web wroker interface so that things can talk to mux.js\n       * that will be running in a web worker. the scope is passed to this by\n       * webworkify.\n       *\n       * @param {Object} self the scope for the web worker\n       */\n\n\n      var TransmuxerWorker = function TransmuxerWorker(self) {\n        self.onmessage = function (event) {\n          if (event.data.action === 'init' && event.data.options) {\n            this.messageHandlers = new MessageHandlers(self, event.data.options);\n            return;\n          }\n\n          if (!this.messageHandlers) {\n            this.messageHandlers = new MessageHandlers(self);\n          }\n\n          if (event.data && event.data.action && event.data.action !== 'init') {\n            if (this.messageHandlers[event.data.action]) {\n              this.messageHandlers[event.data.action](event.data);\n            }\n          }\n        };\n      };\n\n      var transmuxerWorker = new TransmuxerWorker(self);\n      return transmuxerWorker;\n    }();\n  });\n  /**\n   * @file - codecs.js - Handles tasks regarding codec strings such as translating them to\n   * codec strings, or translating codec strings into objects that can be examined.\n   */\n  // Default codec parameters if none were provided for video and/or audio\n\n  var defaultCodecs = {\n    videoCodec: 'avc1',\n    videoObjectTypeIndicator: '.4d400d',\n    // AAC-LC\n    audioProfile: '2'\n  };\n  /**\n   * Replace the old apple-style `avc1.<dd>.<dd>` codec string with the standard\n   * `avc1.<hhhhhh>`\n   *\n   * @param {Array} codecs an array of codec strings to fix\n   * @return {Array} the translated codec array\n   * @private\n   */\n\n  var translateLegacyCodecs = function translateLegacyCodecs(codecs) {\n    return codecs.map(function (codec) {\n      return codec.replace(/avc1\\.(\\d+)\\.(\\d+)/i, function (orig, profile, avcLevel) {\n        var profileHex = ('00' + Number(profile).toString(16)).slice(-2);\n        var avcLevelHex = ('00' + Number(avcLevel).toString(16)).slice(-2);\n        return 'avc1.' + profileHex + '00' + avcLevelHex;\n      });\n    });\n  };\n  /**\n   * Parses a codec string to retrieve the number of codecs specified,\n   * the video codec and object type indicator, and the audio profile.\n   */\n\n\n  var parseCodecs = function parseCodecs() {\n    var codecs = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';\n    var result = {\n      codecCount: 0\n    };\n    var parsed = void 0;\n    result.codecCount = codecs.split(',').length;\n    result.codecCount = result.codecCount || 2; // parse the video codec\n\n    parsed = /(^|\\s|,)+(avc[13])([^ ,]*)/i.exec(codecs);\n\n    if (parsed) {\n      result.videoCodec = parsed[2];\n      result.videoObjectTypeIndicator = parsed[3];\n    } // parse the last field of the audio codec\n\n\n    result.audioProfile = /(^|\\s|,)+mp4a.[0-9A-Fa-f]+\\.([0-9A-Fa-f]+)/i.exec(codecs);\n    result.audioProfile = result.audioProfile && result.audioProfile[2];\n    return result;\n  };\n  /**\n   * Replace codecs in the codec string with the old apple-style `avc1.<dd>.<dd>` to the\n   * standard `avc1.<hhhhhh>`.\n   *\n   * @param codecString {String} the codec string\n   * @return {String} the codec string with old apple-style codecs replaced\n   *\n   * @private\n   */\n\n\n  var mapLegacyAvcCodecs = function mapLegacyAvcCodecs(codecString) {\n    return codecString.replace(/avc1\\.(\\d+)\\.(\\d+)/i, function (match) {\n      return translateLegacyCodecs([match])[0];\n    });\n  };\n  /**\n   * Build a media mime-type string from a set of parameters\n   * @param {String} type either 'audio' or 'video'\n   * @param {String} container either 'mp2t' or 'mp4'\n   * @param {Array} codecs an array of codec strings to add\n   * @return {String} a valid media mime-type\n   */\n\n\n  var makeMimeTypeString = function makeMimeTypeString(type, container, codecs) {\n    // The codecs array is filtered so that falsey values are\n    // dropped and don't cause Array#join to create spurious\n    // commas\n    return type + '/' + container + '; codecs=\"' + codecs.filter(function (c) {\n      return !!c;\n    }).join(', ') + '\"';\n  };\n  /**\n   * Returns the type container based on information in the playlist\n   * @param {Playlist} media the current media playlist\n   * @return {String} a valid media container type\n   */\n\n\n  var getContainerType = function getContainerType(media) {\n    // An initialization segment means the media playlist is an iframe\n    // playlist or is using the mp4 container. We don't currently\n    // support iframe playlists, so assume this is signalling mp4\n    // fragments.\n    if (media.segments && media.segments.length && media.segments[0].map) {\n      return 'mp4';\n    }\n\n    return 'mp2t';\n  };\n  /**\n   * Returns a set of codec strings parsed from the playlist or the default\n   * codec strings if no codecs were specified in the playlist\n   * @param {Playlist} media the current media playlist\n   * @return {Object} an object with the video and audio codecs\n   */\n\n\n  var getCodecs = function getCodecs(media) {\n    // if the codecs were explicitly specified, use them instead of the\n    // defaults\n    var mediaAttributes = media.attributes || {};\n\n    if (mediaAttributes.CODECS) {\n      return parseCodecs(mediaAttributes.CODECS);\n    }\n\n    return defaultCodecs;\n  };\n\n  var audioProfileFromDefault = function audioProfileFromDefault(master, audioGroupId) {\n    if (!master.mediaGroups.AUDIO || !audioGroupId) {\n      return null;\n    }\n\n    var audioGroup = master.mediaGroups.AUDIO[audioGroupId];\n\n    if (!audioGroup) {\n      return null;\n    }\n\n    for (var name in audioGroup) {\n      var audioType = audioGroup[name];\n\n      if (audioType[\"default\"] && audioType.playlists) {\n        // codec should be the same for all playlists within the audio type\n        return parseCodecs(audioType.playlists[0].attributes.CODECS).audioProfile;\n      }\n    }\n\n    return null;\n  };\n  /**\n   * Calculates the MIME type strings for a working configuration of\n   * SourceBuffers to play variant streams in a master playlist. If\n   * there is no possible working configuration, an empty array will be\n   * returned.\n   *\n   * @param master {Object} the m3u8 object for the master playlist\n   * @param media {Object} the m3u8 object for the variant playlist\n   * @return {Array} the MIME type strings. If the array has more than\n   * one entry, the first element should be applied to the video\n   * SourceBuffer and the second to the audio SourceBuffer.\n   *\n   * @private\n   */\n\n\n  var mimeTypesForPlaylist = function mimeTypesForPlaylist(master, media) {\n    var containerType = getContainerType(media);\n    var codecInfo = getCodecs(media);\n    var mediaAttributes = media.attributes || {}; // Default condition for a traditional HLS (no demuxed audio/video)\n\n    var isMuxed = true;\n    var isMaat = false;\n\n    if (!media) {\n      // Not enough information\n      return [];\n    }\n\n    if (master.mediaGroups.AUDIO && mediaAttributes.AUDIO) {\n      var audioGroup = master.mediaGroups.AUDIO[mediaAttributes.AUDIO]; // Handle the case where we are in a multiple-audio track scenario\n\n      if (audioGroup) {\n        isMaat = true; // Start with the everything demuxed then...\n\n        isMuxed = false; // ...check to see if any audio group tracks are muxed (ie. lacking a uri)\n\n        for (var groupId in audioGroup) {\n          // either a uri is present (if the case of HLS and an external playlist), or\n          // playlists is present (in the case of DASH where we don't have external audio\n          // playlists)\n          if (!audioGroup[groupId].uri && !audioGroup[groupId].playlists) {\n            isMuxed = true;\n            break;\n          }\n        }\n      }\n    } // HLS with multiple-audio tracks must always get an audio codec.\n    // Put another way, there is no way to have a video-only multiple-audio HLS!\n\n\n    if (isMaat && !codecInfo.audioProfile) {\n      if (!isMuxed) {\n        // It is possible for codecs to be specified on the audio media group playlist but\n        // not on the rendition playlist. This is mostly the case for DASH, where audio and\n        // video are always separate (and separately specified).\n        codecInfo.audioProfile = audioProfileFromDefault(master, mediaAttributes.AUDIO);\n      }\n\n      if (!codecInfo.audioProfile) {\n        videojs$1.log.warn('Multiple audio tracks present but no audio codec string is specified. ' + 'Attempting to use the default audio codec (mp4a.40.2)');\n        codecInfo.audioProfile = defaultCodecs.audioProfile;\n      }\n    } // Generate the final codec strings from the codec object generated above\n\n\n    var codecStrings = {};\n\n    if (codecInfo.videoCodec) {\n      codecStrings.video = '' + codecInfo.videoCodec + codecInfo.videoObjectTypeIndicator;\n    }\n\n    if (codecInfo.audioProfile) {\n      codecStrings.audio = 'mp4a.40.' + codecInfo.audioProfile;\n    } // Finally, make and return an array with proper mime-types depending on\n    // the configuration\n\n\n    var justAudio = makeMimeTypeString('audio', containerType, [codecStrings.audio]);\n    var justVideo = makeMimeTypeString('video', containerType, [codecStrings.video]);\n    var bothVideoAudio = makeMimeTypeString('video', containerType, [codecStrings.video, codecStrings.audio]);\n\n    if (isMaat) {\n      if (!isMuxed && codecStrings.video) {\n        return [justVideo, justAudio];\n      }\n\n      if (!isMuxed && !codecStrings.video) {\n        // There is no muxed content and no video codec string, so this is an audio only\n        // stream with alternate audio.\n        return [justAudio, justAudio];\n      } // There exists the possiblity that this will return a `video/container`\n      // mime-type for the first entry in the array even when there is only audio.\n      // This doesn't appear to be a problem and simplifies the code.\n\n\n      return [bothVideoAudio, justAudio];\n    } // If there is no video codec at all, always just return a single\n    // audio/<container> mime-type\n\n\n    if (!codecStrings.video) {\n      return [justAudio];\n    } // When not using separate audio media groups, audio and video is\n    // *always* muxed\n\n\n    return [bothVideoAudio];\n  };\n  /**\n   * Parse a content type header into a type and parameters\n   * object\n   *\n   * @param {String} type the content type header\n   * @return {Object} the parsed content-type\n   * @private\n   */\n\n\n  var parseContentType = function parseContentType(type) {\n    var object = {\n      type: '',\n      parameters: {}\n    };\n    var parameters = type.trim().split(';'); // first parameter should always be content-type\n\n    object.type = parameters.shift().trim();\n    parameters.forEach(function (parameter) {\n      var pair = parameter.trim().split('=');\n\n      if (pair.length > 1) {\n        var name = pair[0].replace(/\"/g, '').trim();\n        var value = pair[1].replace(/\"/g, '').trim();\n        object.parameters[name] = value;\n      }\n    });\n    return object;\n  };\n  /**\n   * Check if a codec string refers to an audio codec.\n   *\n   * @param {String} codec codec string to check\n   * @return {Boolean} if this is an audio codec\n   * @private\n   */\n\n\n  var isAudioCodec = function isAudioCodec(codec) {\n    return /mp4a\\.\\d+.\\d+/i.test(codec);\n  };\n  /**\n   * Check if a codec string refers to a video codec.\n   *\n   * @param {String} codec codec string to check\n   * @return {Boolean} if this is a video codec\n   * @private\n   */\n\n\n  var isVideoCodec = function isVideoCodec(codec) {\n    return /avc1\\.[\\da-f]+/i.test(codec);\n  };\n  /**\n   * Returns a list of gops in the buffer that have a pts value of 3 seconds or more in\n   * front of current time.\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Number} currentTime\n   *        The current time\n   * @param {Double} mapping\n   *        Offset to map display time to stream presentation time\n   * @return {Array}\n   *         List of gops considered safe to append over\n   */\n\n\n  var gopsSafeToAlignWith = function gopsSafeToAlignWith(buffer, currentTime, mapping) {\n    if (typeof currentTime === 'undefined' || currentTime === null || !buffer.length) {\n      return [];\n    } // pts value for current time + 3 seconds to give a bit more wiggle room\n\n\n    var currentTimePts = Math.ceil((currentTime - mapping + 3) * 90000);\n    var i = void 0;\n\n    for (i = 0; i < buffer.length; i++) {\n      if (buffer[i].pts > currentTimePts) {\n        break;\n      }\n    }\n\n    return buffer.slice(i);\n  };\n  /**\n   * Appends gop information (timing and byteLength) received by the transmuxer for the\n   * gops appended in the last call to appendBuffer\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Array} gops\n   *        List of new gop information\n   * @param {boolean} replace\n   *        If true, replace the buffer with the new gop information. If false, append the\n   *        new gop information to the buffer in the right location of time.\n   * @return {Array}\n   *         Updated list of gop information\n   */\n\n\n  var updateGopBuffer = function updateGopBuffer(buffer, gops, replace) {\n    if (!gops.length) {\n      return buffer;\n    }\n\n    if (replace) {\n      // If we are in safe append mode, then completely overwrite the gop buffer\n      // with the most recent appeneded data. This will make sure that when appending\n      // future segments, we only try to align with gops that are both ahead of current\n      // time and in the last segment appended.\n      return gops.slice();\n    }\n\n    var start = gops[0].pts;\n    var i = 0;\n\n    for (i; i < buffer.length; i++) {\n      if (buffer[i].pts >= start) {\n        break;\n      }\n    }\n\n    return buffer.slice(0, i).concat(gops);\n  };\n  /**\n   * Removes gop information in buffer that overlaps with provided start and end\n   *\n   * @param {Array} buffer\n   *        The current buffer of gop information\n   * @param {Double} start\n   *        position to start the remove at\n   * @param {Double} end\n   *        position to end the remove at\n   * @param {Double} mapping\n   *        Offset to map display time to stream presentation time\n   */\n\n\n  var removeGopBuffer = function removeGopBuffer(buffer, start, end, mapping) {\n    var startPts = Math.ceil((start - mapping) * 90000);\n    var endPts = Math.ceil((end - mapping) * 90000);\n    var updatedBuffer = buffer.slice();\n    var i = buffer.length;\n\n    while (i--) {\n      if (buffer[i].pts <= endPts) {\n        break;\n      }\n    }\n\n    if (i === -1) {\n      // no removal because end of remove range is before start of buffer\n      return updatedBuffer;\n    }\n\n    var j = i + 1;\n\n    while (j--) {\n      if (buffer[j].pts <= startPts) {\n        break;\n      }\n    } // clamp remove range start to 0 index\n\n\n    j = Math.max(j, 0);\n    updatedBuffer.splice(j, i - j + 1);\n    return updatedBuffer;\n  };\n\n  var buffered = function buffered(videoBuffer, audioBuffer, audioDisabled) {\n    var start = null;\n    var end = null;\n    var arity = 0;\n    var extents = [];\n    var ranges = []; // neither buffer has been created yet\n\n    if (!videoBuffer && !audioBuffer) {\n      return videojs$1.createTimeRange();\n    } // only one buffer is configured\n\n\n    if (!videoBuffer) {\n      return audioBuffer.buffered;\n    }\n\n    if (!audioBuffer) {\n      return videoBuffer.buffered;\n    } // both buffers are configured\n\n\n    if (audioDisabled) {\n      return videoBuffer.buffered;\n    } // both buffers are empty\n\n\n    if (videoBuffer.buffered.length === 0 && audioBuffer.buffered.length === 0) {\n      return videojs$1.createTimeRange();\n    } // Handle the case where we have both buffers and create an\n    // intersection of the two\n\n\n    var videoBuffered = videoBuffer.buffered;\n    var audioBuffered = audioBuffer.buffered;\n    var count = videoBuffered.length; // A) Gather up all start and end times\n\n    while (count--) {\n      extents.push({\n        time: videoBuffered.start(count),\n        type: 'start'\n      });\n      extents.push({\n        time: videoBuffered.end(count),\n        type: 'end'\n      });\n    }\n\n    count = audioBuffered.length;\n\n    while (count--) {\n      extents.push({\n        time: audioBuffered.start(count),\n        type: 'start'\n      });\n      extents.push({\n        time: audioBuffered.end(count),\n        type: 'end'\n      });\n    } // B) Sort them by time\n\n\n    extents.sort(function (a, b) {\n      return a.time - b.time;\n    }); // C) Go along one by one incrementing arity for start and decrementing\n    //    arity for ends\n\n    for (count = 0; count < extents.length; count++) {\n      if (extents[count].type === 'start') {\n        arity++; // D) If arity is ever incremented to 2 we are entering an\n        //    overlapping range\n\n        if (arity === 2) {\n          start = extents[count].time;\n        }\n      } else if (extents[count].type === 'end') {\n        arity--; // E) If arity is ever decremented to 1 we leaving an\n        //    overlapping range\n\n        if (arity === 1) {\n          end = extents[count].time;\n        }\n      } // F) Record overlapping ranges\n\n\n      if (start !== null && end !== null) {\n        ranges.push([start, end]);\n        start = null;\n        end = null;\n      }\n    }\n\n    return videojs$1.createTimeRanges(ranges);\n  };\n  /**\n   * @file virtual-source-buffer.js\n   */\n\n\n  var ONE_SECOND_IN_TS$2 = 90000; // We create a wrapper around the SourceBuffer so that we can manage the\n  // state of the `updating` property manually. We have to do this because\n  // Firefox changes `updating` to false long before triggering `updateend`\n  // events and that was causing strange problems in videojs-contrib-hls\n\n  var makeWrappedSourceBuffer = function makeWrappedSourceBuffer(mediaSource, mimeType) {\n    var sourceBuffer = mediaSource.addSourceBuffer(mimeType);\n    var wrapper = Object.create(null);\n    wrapper.updating = false;\n    wrapper.realBuffer_ = sourceBuffer;\n\n    var _loop = function _loop(key) {\n      if (typeof sourceBuffer[key] === 'function') {\n        wrapper[key] = function () {\n          return sourceBuffer[key].apply(sourceBuffer, arguments);\n        };\n      } else if (typeof wrapper[key] === 'undefined') {\n        Object.defineProperty(wrapper, key, {\n          get: function get$$1() {\n            return sourceBuffer[key];\n          },\n          set: function set$$1(v) {\n            return sourceBuffer[key] = v;\n          }\n        });\n      }\n    };\n\n    for (var key in sourceBuffer) {\n      _loop(key);\n    }\n\n    return wrapper;\n  };\n  /**\n   * VirtualSourceBuffers exist so that we can transmux non native formats\n   * into a native format, but keep the same api as a native source buffer.\n   * It creates a transmuxer, that works in its own thread (a web worker) and\n   * that transmuxer muxes the data into a native format. VirtualSourceBuffer will\n   * then send all of that data to the naive sourcebuffer so that it is\n   * indestinguishable from a natively supported format.\n   *\n   * @param {HtmlMediaSource} mediaSource the parent mediaSource\n   * @param {Array} codecs array of codecs that we will be dealing with\n   * @class VirtualSourceBuffer\n   * @extends video.js.EventTarget\n   */\n\n\n  var VirtualSourceBuffer = function (_videojs$EventTarget) {\n    inherits$2(VirtualSourceBuffer, _videojs$EventTarget);\n\n    function VirtualSourceBuffer(mediaSource, codecs) {\n      classCallCheck$1(this, VirtualSourceBuffer);\n\n      var _this = possibleConstructorReturn$1(this, (VirtualSourceBuffer.__proto__ || Object.getPrototypeOf(VirtualSourceBuffer)).call(this, videojs$1.EventTarget));\n\n      _this.timestampOffset_ = 0;\n      _this.pendingBuffers_ = [];\n      _this.bufferUpdating_ = false;\n      _this.mediaSource_ = mediaSource;\n      _this.codecs_ = codecs;\n      _this.audioCodec_ = null;\n      _this.videoCodec_ = null;\n      _this.audioDisabled_ = false;\n      _this.appendAudioInitSegment_ = true;\n      _this.gopBuffer_ = [];\n      _this.timeMapping_ = 0;\n      _this.safeAppend_ = videojs$1.browser.IE_VERSION >= 11;\n      var options = {\n        remux: false,\n        alignGopsAtEnd: _this.safeAppend_\n      };\n\n      _this.codecs_.forEach(function (codec) {\n        if (isAudioCodec(codec)) {\n          _this.audioCodec_ = codec;\n        } else if (isVideoCodec(codec)) {\n          _this.videoCodec_ = codec;\n        }\n      }); // append muxed segments to their respective native buffers as\n      // soon as they are available\n\n\n      _this.transmuxer_ = new TransmuxWorker();\n\n      _this.transmuxer_.postMessage({\n        action: 'init',\n        options: options\n      });\n\n      _this.transmuxer_.onmessage = function (event) {\n        if (event.data.action === 'data') {\n          return _this.data_(event);\n        }\n\n        if (event.data.action === 'done') {\n          return _this.done_(event);\n        }\n\n        if (event.data.action === 'gopInfo') {\n          return _this.appendGopInfo_(event);\n        }\n\n        if (event.data.action === 'videoSegmentTimingInfo') {\n          return _this.videoSegmentTimingInfo_(event.data.videoSegmentTimingInfo);\n        }\n      }; // this timestampOffset is a property with the side-effect of resetting\n      // baseMediaDecodeTime in the transmuxer on the setter\n\n\n      Object.defineProperty(_this, 'timestampOffset', {\n        get: function get$$1() {\n          return this.timestampOffset_;\n        },\n        set: function set$$1(val) {\n          if (typeof val === 'number' && val >= 0) {\n            this.timestampOffset_ = val;\n            this.appendAudioInitSegment_ = true; // reset gop buffer on timestampoffset as this signals a change in timeline\n\n            this.gopBuffer_.length = 0;\n            this.timeMapping_ = 0; // We have to tell the transmuxer to set the baseMediaDecodeTime to\n            // the desired timestampOffset for the next segment\n\n            this.transmuxer_.postMessage({\n              action: 'setTimestampOffset',\n              timestampOffset: val\n            });\n          }\n        }\n      }); // setting the append window affects both source buffers\n\n      Object.defineProperty(_this, 'appendWindowStart', {\n        get: function get$$1() {\n          return (this.videoBuffer_ || this.audioBuffer_).appendWindowStart;\n        },\n        set: function set$$1(start) {\n          if (this.videoBuffer_) {\n            this.videoBuffer_.appendWindowStart = start;\n          }\n\n          if (this.audioBuffer_) {\n            this.audioBuffer_.appendWindowStart = start;\n          }\n        }\n      }); // this buffer is \"updating\" if either of its native buffers are\n\n      Object.defineProperty(_this, 'updating', {\n        get: function get$$1() {\n          return !!(this.bufferUpdating_ || !this.audioDisabled_ && this.audioBuffer_ && this.audioBuffer_.updating || this.videoBuffer_ && this.videoBuffer_.updating);\n        }\n      }); // the buffered property is the intersection of the buffered\n      // ranges of the native source buffers\n\n      Object.defineProperty(_this, 'buffered', {\n        get: function get$$1() {\n          return buffered(this.videoBuffer_, this.audioBuffer_, this.audioDisabled_);\n        }\n      });\n      return _this;\n    }\n    /**\n     * When we get a data event from the transmuxer\n     * we call this function and handle the data that\n     * was sent to us\n     *\n     * @private\n     * @param {Event} event the data event from the transmuxer\n     */\n\n\n    createClass$1(VirtualSourceBuffer, [{\n      key: 'data_',\n      value: function data_(event) {\n        var segment = event.data.segment; // Cast ArrayBuffer to TypedArray\n\n        segment.data = new Uint8Array(segment.data, event.data.byteOffset, event.data.byteLength);\n        segment.initSegment = new Uint8Array(segment.initSegment.data, segment.initSegment.byteOffset, segment.initSegment.byteLength);\n        createTextTracksIfNecessary(this, this.mediaSource_, segment); // Add the segments to the pendingBuffers array\n\n        this.pendingBuffers_.push(segment);\n        return;\n      }\n      /**\n       * When we get a done event from the transmuxer\n       * we call this function and we process all\n       * of the pending data that we have been saving in the\n       * data_ function\n       *\n       * @private\n       * @param {Event} event the done event from the transmuxer\n       */\n\n    }, {\n      key: 'done_',\n      value: function done_(event) {\n        // Don't process and append data if the mediaSource is closed\n        if (this.mediaSource_.readyState === 'closed') {\n          this.pendingBuffers_.length = 0;\n          return;\n        } // All buffers should have been flushed from the muxer\n        // start processing anything we have received\n\n\n        this.processPendingSegments_();\n        return;\n      }\n    }, {\n      key: 'videoSegmentTimingInfo_',\n      value: function videoSegmentTimingInfo_(timingInfo) {\n        var timingInfoInSeconds = {\n          start: {\n            decode: timingInfo.start.dts / ONE_SECOND_IN_TS$2,\n            presentation: timingInfo.start.pts / ONE_SECOND_IN_TS$2\n          },\n          end: {\n            decode: timingInfo.end.dts / ONE_SECOND_IN_TS$2,\n            presentation: timingInfo.end.pts / ONE_SECOND_IN_TS$2\n          },\n          baseMediaDecodeTime: timingInfo.baseMediaDecodeTime / ONE_SECOND_IN_TS$2\n        };\n\n        if (timingInfo.prependedContentDuration) {\n          timingInfoInSeconds.prependedContentDuration = timingInfo.prependedContentDuration / ONE_SECOND_IN_TS$2;\n        }\n\n        this.trigger({\n          type: 'videoSegmentTimingInfo',\n          videoSegmentTimingInfo: timingInfoInSeconds\n        });\n      }\n      /**\n       * Create our internal native audio/video source buffers and add\n       * event handlers to them with the following conditions:\n       * 1. they do not already exist on the mediaSource\n       * 2. this VSB has a codec for them\n       *\n       * @private\n       */\n\n    }, {\n      key: 'createRealSourceBuffers_',\n      value: function createRealSourceBuffers_() {\n        var _this2 = this;\n\n        var types = ['audio', 'video'];\n        types.forEach(function (type) {\n          // Don't create a SourceBuffer of this type if we don't have a\n          // codec for it\n          if (!_this2[type + 'Codec_']) {\n            return;\n          } // Do nothing if a SourceBuffer of this type already exists\n\n\n          if (_this2[type + 'Buffer_']) {\n            return;\n          }\n\n          var buffer = null; // If the mediasource already has a SourceBuffer for the codec\n          // use that\n\n          if (_this2.mediaSource_[type + 'Buffer_']) {\n            buffer = _this2.mediaSource_[type + 'Buffer_']; // In multiple audio track cases, the audio source buffer is disabled\n            // on the main VirtualSourceBuffer by the HTMLMediaSource much earlier\n            // than createRealSourceBuffers_ is called to create the second\n            // VirtualSourceBuffer because that happens as a side-effect of\n            // videojs-contrib-hls starting the audioSegmentLoader. As a result,\n            // the audioBuffer is essentially \"ownerless\" and no one will toggle\n            // the `updating` state back to false once the `updateend` event is received\n            //\n            // Setting `updating` to false manually will work around this\n            // situation and allow work to continue\n\n            buffer.updating = false;\n          } else {\n            var codecProperty = type + 'Codec_';\n            var mimeType = type + '/mp4;codecs=\"' + _this2[codecProperty] + '\"';\n            buffer = makeWrappedSourceBuffer(_this2.mediaSource_.nativeMediaSource_, mimeType);\n            _this2.mediaSource_[type + 'Buffer_'] = buffer;\n          }\n\n          _this2[type + 'Buffer_'] = buffer; // Wire up the events to the SourceBuffer\n\n          ['update', 'updatestart', 'updateend'].forEach(function (event) {\n            buffer.addEventListener(event, function () {\n              // if audio is disabled\n              if (type === 'audio' && _this2.audioDisabled_) {\n                return;\n              }\n\n              if (event === 'updateend') {\n                _this2[type + 'Buffer_'].updating = false;\n              }\n\n              var shouldTrigger = types.every(function (t) {\n                // skip checking audio's updating status if audio\n                // is not enabled\n                if (t === 'audio' && _this2.audioDisabled_) {\n                  return true;\n                } // if the other type is updating we don't trigger\n\n\n                if (type !== t && _this2[t + 'Buffer_'] && _this2[t + 'Buffer_'].updating) {\n                  return false;\n                }\n\n                return true;\n              });\n\n              if (shouldTrigger) {\n                return _this2.trigger(event);\n              }\n            });\n          });\n        });\n      }\n      /**\n       * Emulate the native mediasource function, but our function will\n       * send all of the proposed segments to the transmuxer so that we\n       * can transmux them before we append them to our internal\n       * native source buffers in the correct format.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/appendBuffer\n       * @param {Uint8Array} segment the segment to append to the buffer\n       */\n\n    }, {\n      key: 'appendBuffer',\n      value: function appendBuffer(segment) {\n        // Start the internal \"updating\" state\n        this.bufferUpdating_ = true;\n\n        if (this.audioBuffer_ && this.audioBuffer_.buffered.length) {\n          var audioBuffered = this.audioBuffer_.buffered;\n          this.transmuxer_.postMessage({\n            action: 'setAudioAppendStart',\n            appendStart: audioBuffered.end(audioBuffered.length - 1)\n          });\n        }\n\n        if (this.videoBuffer_) {\n          this.transmuxer_.postMessage({\n            action: 'alignGopsWith',\n            gopsToAlignWith: gopsSafeToAlignWith(this.gopBuffer_, this.mediaSource_.player_ ? this.mediaSource_.player_.currentTime() : null, this.timeMapping_)\n          });\n        }\n\n        this.transmuxer_.postMessage({\n          action: 'push',\n          // Send the typed-array of data as an ArrayBuffer so that\n          // it can be sent as a \"Transferable\" and avoid the costly\n          // memory copy\n          data: segment.buffer,\n          // To recreate the original typed-array, we need information\n          // about what portion of the ArrayBuffer it was a view into\n          byteOffset: segment.byteOffset,\n          byteLength: segment.byteLength\n        }, [segment.buffer]);\n        this.transmuxer_.postMessage({\n          action: 'flush'\n        });\n      }\n      /**\n       * Appends gop information (timing and byteLength) received by the transmuxer for the\n       * gops appended in the last call to appendBuffer\n       *\n       * @param {Event} event\n       *        The gopInfo event from the transmuxer\n       * @param {Array} event.data.gopInfo\n       *        List of gop info to append\n       */\n\n    }, {\n      key: 'appendGopInfo_',\n      value: function appendGopInfo_(event) {\n        this.gopBuffer_ = updateGopBuffer(this.gopBuffer_, event.data.gopInfo, this.safeAppend_);\n      }\n      /**\n       * Emulate the native mediasource function and remove parts\n       * of the buffer from any of our internal buffers that exist\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/remove\n       * @param {Double} start position to start the remove at\n       * @param {Double} end position to end the remove at\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        if (this.videoBuffer_) {\n          this.videoBuffer_.updating = true;\n          this.videoBuffer_.remove(start, end);\n          this.gopBuffer_ = removeGopBuffer(this.gopBuffer_, start, end, this.timeMapping_);\n        }\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.audioBuffer_.updating = true;\n          this.audioBuffer_.remove(start, end);\n        } // Remove Metadata Cues (id3)\n\n\n        removeCuesFromTrack(start, end, this.metadataTrack_); // Remove Any Captions\n\n        if (this.inbandTextTracks_) {\n          for (var track in this.inbandTextTracks_) {\n            removeCuesFromTrack(start, end, this.inbandTextTracks_[track]);\n          }\n        }\n      }\n      /**\n       * Process any segments that the muxer has output\n       * Concatenate segments together based on type and append them into\n       * their respective sourceBuffers\n       *\n       * @private\n       */\n\n    }, {\n      key: 'processPendingSegments_',\n      value: function processPendingSegments_() {\n        var sortedSegments = {\n          video: {\n            segments: [],\n            bytes: 0\n          },\n          audio: {\n            segments: [],\n            bytes: 0\n          },\n          captions: [],\n          metadata: []\n        };\n\n        if (!this.pendingBuffers_.length) {\n          // We are no longer in the internal \"updating\" state\n          this.trigger('updateend');\n          this.bufferUpdating_ = false;\n          return;\n        } // Sort segments into separate video/audio arrays and\n        // keep track of their total byte lengths\n\n\n        sortedSegments = this.pendingBuffers_.reduce(function (segmentObj, segment) {\n          var type = segment.type;\n          var data = segment.data;\n          var initSegment = segment.initSegment;\n          segmentObj[type].segments.push(data);\n          segmentObj[type].bytes += data.byteLength;\n          segmentObj[type].initSegment = initSegment; // Gather any captions into a single array\n\n          if (segment.captions) {\n            segmentObj.captions = segmentObj.captions.concat(segment.captions);\n          }\n\n          if (segment.info) {\n            segmentObj[type].info = segment.info;\n          } // Gather any metadata into a single array\n\n\n          if (segment.metadata) {\n            segmentObj.metadata = segmentObj.metadata.concat(segment.metadata);\n          }\n\n          return segmentObj;\n        }, sortedSegments); // Create the real source buffers if they don't exist by now since we\n        // finally are sure what tracks are contained in the source\n\n        if (!this.videoBuffer_ && !this.audioBuffer_) {\n          // Remove any codecs that may have been specified by default but\n          // are no longer applicable now\n          if (sortedSegments.video.bytes === 0) {\n            this.videoCodec_ = null;\n          }\n\n          if (sortedSegments.audio.bytes === 0) {\n            this.audioCodec_ = null;\n          }\n\n          this.createRealSourceBuffers_();\n        }\n\n        if (sortedSegments.audio.info) {\n          this.mediaSource_.trigger({\n            type: 'audioinfo',\n            info: sortedSegments.audio.info\n          });\n        }\n\n        if (sortedSegments.video.info) {\n          this.mediaSource_.trigger({\n            type: 'videoinfo',\n            info: sortedSegments.video.info\n          });\n        }\n\n        if (this.appendAudioInitSegment_) {\n          if (!this.audioDisabled_ && this.audioBuffer_) {\n            sortedSegments.audio.segments.unshift(sortedSegments.audio.initSegment);\n            sortedSegments.audio.bytes += sortedSegments.audio.initSegment.byteLength;\n          }\n\n          this.appendAudioInitSegment_ = false;\n        }\n\n        var triggerUpdateend = false; // Merge multiple video and audio segments into one and append\n\n        if (this.videoBuffer_ && sortedSegments.video.bytes) {\n          sortedSegments.video.segments.unshift(sortedSegments.video.initSegment);\n          sortedSegments.video.bytes += sortedSegments.video.initSegment.byteLength;\n          this.concatAndAppendSegments_(sortedSegments.video, this.videoBuffer_);\n        } else if (this.videoBuffer_ && (this.audioDisabled_ || !this.audioBuffer_)) {\n          // The transmuxer did not return any bytes of video, meaning it was all trimmed\n          // for gop alignment. Since we have a video buffer and audio is disabled, updateend\n          // will never be triggered by this source buffer, which will cause contrib-hls\n          // to be stuck forever waiting for updateend. If audio is not disabled, updateend\n          // will be triggered by the audio buffer, which will be sent upwards since the video\n          // buffer will not be in an updating state.\n          triggerUpdateend = true;\n        } // Add text-track data for all\n\n\n        addTextTrackData(this, sortedSegments.captions, sortedSegments.metadata);\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.concatAndAppendSegments_(sortedSegments.audio, this.audioBuffer_);\n        }\n\n        this.pendingBuffers_.length = 0;\n\n        if (triggerUpdateend) {\n          this.trigger('updateend');\n        } // We are no longer in the internal \"updating\" state\n\n\n        this.bufferUpdating_ = false;\n      }\n      /**\n       * Combine all segments into a single Uint8Array and then append them\n       * to the destination buffer\n       *\n       * @param {Object} segmentObj\n       * @param {SourceBuffer} destinationBuffer native source buffer to append data to\n       * @private\n       */\n\n    }, {\n      key: 'concatAndAppendSegments_',\n      value: function concatAndAppendSegments_(segmentObj, destinationBuffer) {\n        var offset = 0;\n        var tempBuffer = void 0;\n\n        if (segmentObj.bytes) {\n          tempBuffer = new Uint8Array(segmentObj.bytes); // Combine the individual segments into one large typed-array\n\n          segmentObj.segments.forEach(function (segment) {\n            tempBuffer.set(segment, offset);\n            offset += segment.byteLength;\n          });\n\n          try {\n            destinationBuffer.updating = true;\n            destinationBuffer.appendBuffer(tempBuffer);\n          } catch (error) {\n            if (this.mediaSource_.player_) {\n              this.mediaSource_.player_.error({\n                code: -3,\n                type: 'APPEND_BUFFER_ERR',\n                message: error.message,\n                originalError: error\n              });\n            }\n          }\n        }\n      }\n      /**\n       * Emulate the native mediasource function. abort any soureBuffer\n       * actions and throw out any un-appended data.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/SourceBuffer/abort\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort() {\n        if (this.videoBuffer_) {\n          this.videoBuffer_.abort();\n        }\n\n        if (!this.audioDisabled_ && this.audioBuffer_) {\n          this.audioBuffer_.abort();\n        }\n\n        if (this.transmuxer_) {\n          this.transmuxer_.postMessage({\n            action: 'reset'\n          });\n        }\n\n        this.pendingBuffers_.length = 0;\n        this.bufferUpdating_ = false;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n      }\n    }]);\n    return VirtualSourceBuffer;\n  }(videojs$1.EventTarget);\n  /**\n   * @file html-media-source.js\n   */\n\n  /**\n   * Our MediaSource implementation in HTML, mimics native\n   * MediaSource where/if possible.\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource\n   * @class HtmlMediaSource\n   * @extends videojs.EventTarget\n   */\n\n\n  var HtmlMediaSource = function (_videojs$EventTarget) {\n    inherits$2(HtmlMediaSource, _videojs$EventTarget);\n\n    function HtmlMediaSource() {\n      classCallCheck$1(this, HtmlMediaSource);\n\n      var _this = possibleConstructorReturn$1(this, (HtmlMediaSource.__proto__ || Object.getPrototypeOf(HtmlMediaSource)).call(this));\n\n      var property = void 0;\n      _this.nativeMediaSource_ = new window$3.MediaSource(); // delegate to the native MediaSource's methods by default\n\n      for (property in _this.nativeMediaSource_) {\n        if (!(property in HtmlMediaSource.prototype) && typeof _this.nativeMediaSource_[property] === 'function') {\n          _this[property] = _this.nativeMediaSource_[property].bind(_this.nativeMediaSource_);\n        }\n      } // emulate `duration` and `seekable` until seeking can be\n      // handled uniformly for live streams\n      // see https://github.com/w3c/media-source/issues/5\n\n\n      _this.duration_ = NaN;\n      Object.defineProperty(_this, 'duration', {\n        get: function get$$1() {\n          if (this.duration_ === Infinity) {\n            return this.duration_;\n          }\n\n          return this.nativeMediaSource_.duration;\n        },\n        set: function set$$1(duration) {\n          this.duration_ = duration;\n\n          if (duration !== Infinity) {\n            this.nativeMediaSource_.duration = duration;\n            return;\n          }\n        }\n      });\n      Object.defineProperty(_this, 'seekable', {\n        get: function get$$1() {\n          if (this.duration_ === Infinity) {\n            return videojs$1.createTimeRanges([[0, this.nativeMediaSource_.duration]]);\n          }\n\n          return this.nativeMediaSource_.seekable;\n        }\n      });\n      Object.defineProperty(_this, 'readyState', {\n        get: function get$$1() {\n          return this.nativeMediaSource_.readyState;\n        }\n      });\n      Object.defineProperty(_this, 'activeSourceBuffers', {\n        get: function get$$1() {\n          return this.activeSourceBuffers_;\n        }\n      }); // the list of virtual and native SourceBuffers created by this\n      // MediaSource\n\n      _this.sourceBuffers = [];\n      _this.activeSourceBuffers_ = [];\n      /**\n       * update the list of active source buffers based upon various\n       * imformation from HLS and video.js\n       *\n       * @private\n       */\n\n      _this.updateActiveSourceBuffers_ = function () {\n        // Retain the reference but empty the array\n        _this.activeSourceBuffers_.length = 0; // If there is only one source buffer, then it will always be active and audio will\n        // be disabled based on the codec of the source buffer\n\n        if (_this.sourceBuffers.length === 1) {\n          var sourceBuffer = _this.sourceBuffers[0];\n          sourceBuffer.appendAudioInitSegment_ = true;\n          sourceBuffer.audioDisabled_ = !sourceBuffer.audioCodec_;\n\n          _this.activeSourceBuffers_.push(sourceBuffer);\n\n          return;\n        } // There are 2 source buffers, a combined (possibly video only) source buffer and\n        // and an audio only source buffer.\n        // By default, the audio in the combined virtual source buffer is enabled\n        // and the audio-only source buffer (if it exists) is disabled.\n\n\n        var disableCombined = false;\n        var disableAudioOnly = true; // TODO: maybe we can store the sourcebuffers on the track objects?\n        // safari may do something like this\n\n        for (var i = 0; i < _this.player_.audioTracks().length; i++) {\n          var track = _this.player_.audioTracks()[i];\n\n          if (track.enabled && track.kind !== 'main') {\n            // The enabled track is an alternate audio track so disable the audio in\n            // the combined source buffer and enable the audio-only source buffer.\n            disableCombined = true;\n            disableAudioOnly = false;\n            break;\n          }\n        }\n\n        _this.sourceBuffers.forEach(function (sourceBuffer, index) {\n          /* eslinst-disable */\n          // TODO once codecs are required, we can switch to using the codecs to determine\n          //      what stream is the video stream, rather than relying on videoTracks\n\n          /* eslinst-enable */\n          sourceBuffer.appendAudioInitSegment_ = true;\n\n          if (sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {\n            // combined\n            sourceBuffer.audioDisabled_ = disableCombined;\n          } else if (sourceBuffer.videoCodec_ && !sourceBuffer.audioCodec_) {\n            // If the \"combined\" source buffer is video only, then we do not want\n            // disable the audio-only source buffer (this is mostly for demuxed\n            // audio and video hls)\n            sourceBuffer.audioDisabled_ = true;\n            disableAudioOnly = false;\n          } else if (!sourceBuffer.videoCodec_ && sourceBuffer.audioCodec_) {\n            // audio only\n            // In the case of audio only with alternate audio and disableAudioOnly is true\n            // this means we want to disable the audio on the alternate audio sourcebuffer\n            // but not the main \"combined\" source buffer. The \"combined\" source buffer is\n            // always at index 0, so this ensures audio won't be disabled in both source\n            // buffers.\n            sourceBuffer.audioDisabled_ = index ? disableAudioOnly : !disableAudioOnly;\n\n            if (sourceBuffer.audioDisabled_) {\n              return;\n            }\n          }\n\n          _this.activeSourceBuffers_.push(sourceBuffer);\n        });\n      };\n\n      _this.onPlayerMediachange_ = function () {\n        _this.sourceBuffers.forEach(function (sourceBuffer) {\n          sourceBuffer.appendAudioInitSegment_ = true;\n        });\n      };\n\n      _this.onHlsReset_ = function () {\n        _this.sourceBuffers.forEach(function (sourceBuffer) {\n          if (sourceBuffer.transmuxer_) {\n            sourceBuffer.transmuxer_.postMessage({\n              action: 'resetCaptions'\n            });\n          }\n        });\n      };\n\n      _this.onHlsSegmentTimeMapping_ = function (event) {\n        _this.sourceBuffers.forEach(function (buffer) {\n          return buffer.timeMapping_ = event.mapping;\n        });\n      }; // Re-emit MediaSource events on the polyfill\n\n\n      ['sourceopen', 'sourceclose', 'sourceended'].forEach(function (eventName) {\n        this.nativeMediaSource_.addEventListener(eventName, this.trigger.bind(this));\n      }, _this); // capture the associated player when the MediaSource is\n      // successfully attached\n\n      _this.on('sourceopen', function (event) {\n        // Get the player this MediaSource is attached to\n        var video = document.querySelector('[src=\"' + _this.url_ + '\"]');\n\n        if (!video) {\n          return;\n        }\n\n        _this.player_ = videojs$1(video.parentNode);\n\n        if (!_this.player_) {\n          return;\n        } // hls-reset is fired by videojs.Hls on to the tech after the main SegmentLoader\n        // resets its state and flushes the buffer\n\n\n        _this.player_.tech_.on('hls-reset', _this.onHlsReset_); // hls-segment-time-mapping is fired by videojs.Hls on to the tech after the main\n        // SegmentLoader inspects an MTS segment and has an accurate stream to display\n        // time mapping\n\n\n        _this.player_.tech_.on('hls-segment-time-mapping', _this.onHlsSegmentTimeMapping_);\n\n        if (_this.player_.audioTracks && _this.player_.audioTracks()) {\n          _this.player_.audioTracks().on('change', _this.updateActiveSourceBuffers_);\n\n          _this.player_.audioTracks().on('addtrack', _this.updateActiveSourceBuffers_);\n\n          _this.player_.audioTracks().on('removetrack', _this.updateActiveSourceBuffers_);\n        }\n\n        _this.player_.on('mediachange', _this.onPlayerMediachange_);\n      });\n\n      _this.on('sourceended', function (event) {\n        var duration = durationOfVideo(_this.duration);\n\n        for (var i = 0; i < _this.sourceBuffers.length; i++) {\n          var sourcebuffer = _this.sourceBuffers[i];\n          var cues = sourcebuffer.metadataTrack_ && sourcebuffer.metadataTrack_.cues;\n\n          if (cues && cues.length) {\n            cues[cues.length - 1].endTime = duration;\n          }\n        }\n      }); // explicitly terminate any WebWorkers that were created\n      // by SourceHandlers\n\n\n      _this.on('sourceclose', function (event) {\n        this.sourceBuffers.forEach(function (sourceBuffer) {\n          if (sourceBuffer.transmuxer_) {\n            sourceBuffer.transmuxer_.terminate();\n          }\n        });\n        this.sourceBuffers.length = 0;\n\n        if (!this.player_) {\n          return;\n        }\n\n        if (this.player_.audioTracks && this.player_.audioTracks()) {\n          this.player_.audioTracks().off('change', this.updateActiveSourceBuffers_);\n          this.player_.audioTracks().off('addtrack', this.updateActiveSourceBuffers_);\n          this.player_.audioTracks().off('removetrack', this.updateActiveSourceBuffers_);\n        } // We can only change this if the player hasn't been disposed of yet\n        // because `off` eventually tries to use the el_ property. If it has\n        // been disposed of, then don't worry about it because there are no\n        // event handlers left to unbind anyway\n\n\n        if (this.player_.el_) {\n          this.player_.off('mediachange', this.onPlayerMediachange_);\n        }\n\n        if (this.player_.tech_ && this.player_.tech_.el_) {\n          this.player_.tech_.off('hls-reset', this.onHlsReset_);\n          this.player_.tech_.off('hls-segment-time-mapping', this.onHlsSegmentTimeMapping_);\n        }\n      });\n\n      return _this;\n    }\n    /**\n     * Add a range that that can now be seeked to.\n     *\n     * @param {Double} start where to start the addition\n     * @param {Double} end where to end the addition\n     * @private\n     */\n\n\n    createClass$1(HtmlMediaSource, [{\n      key: 'addSeekableRange_',\n      value: function addSeekableRange_(start, end) {\n        var error = void 0;\n\n        if (this.duration !== Infinity) {\n          error = new Error('MediaSource.addSeekableRange() can only be invoked ' + 'when the duration is Infinity');\n          error.name = 'InvalidStateError';\n          error.code = 11;\n          throw error;\n        }\n\n        if (end > this.nativeMediaSource_.duration || isNaN(this.nativeMediaSource_.duration)) {\n          this.nativeMediaSource_.duration = end;\n        }\n      }\n      /**\n       * Add a source buffer to the media source.\n       *\n       * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/addSourceBuffer\n       * @param {String} type the content-type of the content\n       * @return {Object} the created source buffer\n       */\n\n    }, {\n      key: 'addSourceBuffer',\n      value: function addSourceBuffer(type) {\n        var buffer = void 0;\n        var parsedType = parseContentType(type); // Create a VirtualSourceBuffer to transmux MPEG-2 transport\n        // stream segments into fragmented MP4s\n\n        if (/^(video|audio)\\/mp2t$/i.test(parsedType.type)) {\n          var codecs = [];\n\n          if (parsedType.parameters && parsedType.parameters.codecs) {\n            codecs = parsedType.parameters.codecs.split(',');\n            codecs = translateLegacyCodecs(codecs);\n            codecs = codecs.filter(function (codec) {\n              return isAudioCodec(codec) || isVideoCodec(codec);\n            });\n          }\n\n          if (codecs.length === 0) {\n            codecs = ['avc1.4d400d', 'mp4a.40.2'];\n          }\n\n          buffer = new VirtualSourceBuffer(this, codecs);\n\n          if (this.sourceBuffers.length !== 0) {\n            // If another VirtualSourceBuffer already exists, then we are creating a\n            // SourceBuffer for an alternate audio track and therefore we know that\n            // the source has both an audio and video track.\n            // That means we should trigger the manual creation of the real\n            // SourceBuffers instead of waiting for the transmuxer to return data\n            this.sourceBuffers[0].createRealSourceBuffers_();\n            buffer.createRealSourceBuffers_(); // Automatically disable the audio on the first source buffer if\n            // a second source buffer is ever created\n\n            this.sourceBuffers[0].audioDisabled_ = true;\n          }\n        } else {\n          // delegate to the native implementation\n          buffer = this.nativeMediaSource_.addSourceBuffer(type);\n        }\n\n        this.sourceBuffers.push(buffer);\n        return buffer;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n        this.sourceBuffers.forEach(function (buffer) {\n          if (buffer.dispose) {\n            buffer.dispose();\n          }\n        });\n        this.sourceBuffers.length = 0;\n      }\n    }]);\n    return HtmlMediaSource;\n  }(videojs$1.EventTarget);\n  /**\n   * @file videojs-contrib-media-sources.js\n   */\n\n\n  var urlCount = 0; // ------------\n  // Media Source\n  // ------------\n  // store references to the media sources so they can be connected\n  // to a video element (a swf object)\n  // TODO: can we store this somewhere local to this module?\n\n  videojs$1.mediaSources = {};\n  /**\n   * Provide a method for a swf object to notify JS that a\n   * media source is now open.\n   *\n   * @param {String} msObjectURL string referencing the MSE Object URL\n   * @param {String} swfId the swf id\n   */\n\n  var open = function open(msObjectURL, swfId) {\n    var mediaSource = videojs$1.mediaSources[msObjectURL];\n\n    if (mediaSource) {\n      mediaSource.trigger({\n        type: 'sourceopen',\n        swfId: swfId\n      });\n    } else {\n      throw new Error('Media Source not found (Video.js)');\n    }\n  };\n  /**\n   * Check to see if the native MediaSource object exists and supports\n   * an MP4 container with both H.264 video and AAC-LC audio.\n   *\n   * @return {Boolean} if  native media sources are supported\n   */\n\n\n  var supportsNativeMediaSources = function supportsNativeMediaSources() {\n    return !!window$3.MediaSource && !!window$3.MediaSource.isTypeSupported && window$3.MediaSource.isTypeSupported('video/mp4;codecs=\"avc1.4d400d,mp4a.40.2\"');\n  };\n  /**\n   * An emulation of the MediaSource API so that we can support\n   * native and non-native functionality. returns an instance of\n   * HtmlMediaSource.\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/MediaSource/MediaSource\n   */\n\n\n  var MediaSource = function MediaSource() {\n    this.MediaSource = {\n      open: open,\n      supportsNativeMediaSources: supportsNativeMediaSources\n    };\n\n    if (supportsNativeMediaSources()) {\n      return new HtmlMediaSource();\n    }\n\n    throw new Error('Cannot use create a virtual MediaSource for this video');\n  };\n\n  MediaSource.open = open;\n  MediaSource.supportsNativeMediaSources = supportsNativeMediaSources;\n  /**\n   * A wrapper around the native URL for our MSE object\n   * implementation, this object is exposed under videojs.URL\n   *\n   * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/URL\n   */\n\n  var URL$1 = {\n    /**\n     * A wrapper around the native createObjectURL for our objects.\n     * This function maps a native or emulated mediaSource to a blob\n     * url so that it can be loaded into video.js\n     *\n     * @link https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL\n     * @param {MediaSource} object the object to create a blob url to\n     */\n    createObjectURL: function createObjectURL(object) {\n      var objectUrlPrefix = 'blob:vjs-media-source/';\n      var url = void 0; // use the native MediaSource to generate an object URL\n\n      if (object instanceof HtmlMediaSource) {\n        url = window$3.URL.createObjectURL(object.nativeMediaSource_);\n        object.url_ = url;\n        return url;\n      } // if the object isn't an emulated MediaSource, delegate to the\n      // native implementation\n\n\n      if (!(object instanceof HtmlMediaSource)) {\n        url = window$3.URL.createObjectURL(object);\n        object.url_ = url;\n        return url;\n      } // build a URL that can be used to map back to the emulated\n      // MediaSource\n\n\n      url = objectUrlPrefix + urlCount;\n      urlCount++; // setup the mapping back to object\n\n      videojs$1.mediaSources[url] = object;\n      return url;\n    }\n  };\n  videojs$1.MediaSource = MediaSource;\n  videojs$1.URL = URL$1;\n  var EventTarget$1$1 = videojs$1.EventTarget,\n      mergeOptions$2 = videojs$1.mergeOptions;\n  /**\n   * Returns a new master manifest that is the result of merging an updated master manifest\n   * into the original version.\n   *\n   * @param {Object} oldMaster\n   *        The old parsed mpd object\n   * @param {Object} newMaster\n   *        The updated parsed mpd object\n   * @return {Object}\n   *         A new object representing the original master manifest with the updated media\n   *         playlists merged in\n   */\n\n  var updateMaster$1 = function updateMaster$$1(oldMaster, newMaster) {\n    var noChanges = void 0;\n    var update = mergeOptions$2(oldMaster, {\n      // These are top level properties that can be updated\n      duration: newMaster.duration,\n      minimumUpdatePeriod: newMaster.minimumUpdatePeriod\n    }); // First update the playlists in playlist list\n\n    for (var i = 0; i < newMaster.playlists.length; i++) {\n      var playlistUpdate = updateMaster(update, newMaster.playlists[i]);\n\n      if (playlistUpdate) {\n        update = playlistUpdate;\n      } else {\n        noChanges = true;\n      }\n    } // Then update media group playlists\n\n\n    forEachMediaGroup(newMaster, function (properties, type, group, label) {\n      if (properties.playlists && properties.playlists.length) {\n        var id = properties.playlists[0].id;\n\n        var _playlistUpdate = updateMaster(update, properties.playlists[0]);\n\n        if (_playlistUpdate) {\n          update = _playlistUpdate; // update the playlist reference within media groups\n\n          update.mediaGroups[type][group][label].playlists[0] = update.playlists[id];\n          noChanges = false;\n        }\n      }\n    });\n\n    if (noChanges) {\n      return null;\n    }\n\n    return update;\n  };\n\n  var generateSidxKey = function generateSidxKey(sidxInfo) {\n    // should be non-inclusive\n    var sidxByteRangeEnd = sidxInfo.byterange.offset + sidxInfo.byterange.length - 1;\n    return sidxInfo.uri + '-' + sidxInfo.byterange.offset + '-' + sidxByteRangeEnd;\n  }; // SIDX should be equivalent if the URI and byteranges of the SIDX match.\n  // If the SIDXs have maps, the two maps should match,\n  // both `a` and `b` missing SIDXs is considered matching.\n  // If `a` or `b` but not both have a map, they aren't matching.\n\n\n  var equivalentSidx = function equivalentSidx(a, b) {\n    var neitherMap = Boolean(!a.map && !b.map);\n    var equivalentMap = neitherMap || Boolean(a.map && b.map && a.map.byterange.offset === b.map.byterange.offset && a.map.byterange.length === b.map.byterange.length);\n    return equivalentMap && a.uri === b.uri && a.byterange.offset === b.byterange.offset && a.byterange.length === b.byterange.length;\n  }; // exported for testing\n\n\n  var compareSidxEntry = function compareSidxEntry(playlists, oldSidxMapping) {\n    var newSidxMapping = {};\n\n    for (var id in playlists) {\n      var playlist = playlists[id];\n      var currentSidxInfo = playlist.sidx;\n\n      if (currentSidxInfo) {\n        var key = generateSidxKey(currentSidxInfo);\n\n        if (!oldSidxMapping[key]) {\n          break;\n        }\n\n        var savedSidxInfo = oldSidxMapping[key].sidxInfo;\n\n        if (equivalentSidx(savedSidxInfo, currentSidxInfo)) {\n          newSidxMapping[key] = oldSidxMapping[key];\n        }\n      }\n    }\n\n    return newSidxMapping;\n  };\n  /**\n   *  A function that filters out changed items as they need to be requested separately.\n   *\n   *  The method is exported for testing\n   *\n   *  @param {Object} masterXml the mpd XML\n   *  @param {string} srcUrl the mpd url\n   *  @param {Date} clientOffset a time difference between server and client (passed through and not used)\n   *  @param {Object} oldSidxMapping the SIDX to compare against\n   */\n\n\n  var filterChangedSidxMappings = function filterChangedSidxMappings(masterXml, srcUrl, clientOffset, oldSidxMapping) {\n    // Don't pass current sidx mapping\n    var master = parse(masterXml, {\n      manifestUri: srcUrl,\n      clientOffset: clientOffset\n    });\n    var videoSidx = compareSidxEntry(master.playlists, oldSidxMapping);\n    var mediaGroupSidx = videoSidx;\n    forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {\n      if (properties.playlists && properties.playlists.length) {\n        var playlists = properties.playlists;\n        mediaGroupSidx = mergeOptions$2(mediaGroupSidx, compareSidxEntry(playlists, oldSidxMapping));\n      }\n    });\n    return mediaGroupSidx;\n  }; // exported for testing\n\n\n  var requestSidx_ = function requestSidx_(sidxRange, playlist, xhr, options, finishProcessingFn) {\n    var sidxInfo = {\n      // resolve the segment URL relative to the playlist\n      uri: resolveManifestRedirect(options.handleManifestRedirects, sidxRange.resolvedUri),\n      // resolvedUri: sidxRange.resolvedUri,\n      byterange: sidxRange.byterange,\n      // the segment's playlist\n      playlist: playlist\n    };\n    var sidxRequestOptions = videojs$1.mergeOptions(sidxInfo, {\n      responseType: 'arraybuffer',\n      headers: segmentXhrHeaders(sidxInfo)\n    });\n    return xhr(sidxRequestOptions, finishProcessingFn);\n  };\n\n  var DashPlaylistLoader = function (_EventTarget) {\n    inherits$2(DashPlaylistLoader, _EventTarget); // DashPlaylistLoader must accept either a src url or a playlist because subsequent\n    // playlist loader setups from media groups will expect to be able to pass a playlist\n    // (since there aren't external URLs to media playlists with DASH)\n\n    function DashPlaylistLoader(srcUrlOrPlaylist, hls) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      var masterPlaylistLoader = arguments[3];\n      classCallCheck$1(this, DashPlaylistLoader);\n\n      var _this = possibleConstructorReturn$1(this, (DashPlaylistLoader.__proto__ || Object.getPrototypeOf(DashPlaylistLoader)).call(this));\n\n      var _options$withCredenti = options.withCredentials,\n          withCredentials = _options$withCredenti === undefined ? false : _options$withCredenti,\n          _options$handleManife = options.handleManifestRedirects,\n          handleManifestRedirects = _options$handleManife === undefined ? false : _options$handleManife;\n      _this.hls_ = hls;\n      _this.withCredentials = withCredentials;\n      _this.handleManifestRedirects = handleManifestRedirects;\n\n      if (!srcUrlOrPlaylist) {\n        throw new Error('A non-empty playlist URL or playlist is required');\n      } // event naming?\n\n\n      _this.on('minimumUpdatePeriod', function () {\n        _this.refreshXml_();\n      }); // live playlist staleness timeout\n\n\n      _this.on('mediaupdatetimeout', function () {\n        _this.refreshMedia_(_this.media().id);\n      });\n\n      _this.state = 'HAVE_NOTHING';\n      _this.loadedPlaylists_ = {}; // initialize the loader state\n      // The masterPlaylistLoader will be created with a string\n\n      if (typeof srcUrlOrPlaylist === 'string') {\n        _this.srcUrl = srcUrlOrPlaylist; // TODO: reset sidxMapping between period changes\n        // once multi-period is refactored\n\n        _this.sidxMapping_ = {};\n        return possibleConstructorReturn$1(_this);\n      }\n\n      _this.setupChildLoader(masterPlaylistLoader, srcUrlOrPlaylist);\n\n      return _this;\n    }\n\n    createClass$1(DashPlaylistLoader, [{\n      key: 'setupChildLoader',\n      value: function setupChildLoader(masterPlaylistLoader, playlist) {\n        this.masterPlaylistLoader_ = masterPlaylistLoader;\n        this.childPlaylist_ = playlist;\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.stopRequest();\n        this.loadedPlaylists_ = {};\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n        window$3.clearTimeout(this.mediaRequest_);\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        this.off();\n      }\n    }, {\n      key: 'hasPendingRequest',\n      value: function hasPendingRequest() {\n        return this.request || this.mediaRequest_;\n      }\n    }, {\n      key: 'stopRequest',\n      value: function stopRequest() {\n        if (this.request) {\n          var oldRequest = this.request;\n          this.request = null;\n          oldRequest.onreadystatechange = null;\n          oldRequest.abort();\n        }\n      }\n    }, {\n      key: 'sidxRequestFinished_',\n      value: function sidxRequestFinished_(playlist, master, startingState, doneFn) {\n        var _this2 = this;\n\n        return function (err, request) {\n          // disposed\n          if (!_this2.request) {\n            return;\n          } // pending request is cleared\n\n\n          _this2.request = null;\n\n          if (err) {\n            _this2.error = {\n              status: request.status,\n              message: 'DASH playlist request error at URL: ' + playlist.uri,\n              response: request.response,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (startingState) {\n              _this2.state = startingState;\n            }\n\n            _this2.trigger('error');\n\n            return doneFn(master, null);\n          }\n\n          var bytes = new Uint8Array(request.response);\n          var sidx = mp4Inspector.parseSidx(bytes.subarray(8));\n          return doneFn(master, sidx);\n        };\n      }\n    }, {\n      key: 'media',\n      value: function media(playlist) {\n        var _this3 = this; // getter\n\n\n        if (!playlist) {\n          return this.media_;\n        } // setter\n\n\n        if (this.state === 'HAVE_NOTHING') {\n          throw new Error('Cannot switch media playlist from ' + this.state);\n        }\n\n        var startingState = this.state; // find the playlist object if the target playlist has been specified by URI\n\n        if (typeof playlist === 'string') {\n          if (!this.master.playlists[playlist]) {\n            throw new Error('Unknown playlist URI: ' + playlist);\n          }\n\n          playlist = this.master.playlists[playlist];\n        }\n\n        var mediaChange = !this.media_ || playlist.id !== this.media_.id; // switch to previously loaded playlists immediately\n\n        if (mediaChange && this.loadedPlaylists_[playlist.id] && this.loadedPlaylists_[playlist.id].endList) {\n          this.state = 'HAVE_METADATA';\n          this.media_ = playlist; // trigger media change if the active media has been updated\n\n          if (mediaChange) {\n            this.trigger('mediachanging');\n            this.trigger('mediachange');\n          }\n\n          return;\n        } // switching to the active playlist is a no-op\n\n\n        if (!mediaChange) {\n          return;\n        } // switching from an already loaded playlist\n\n\n        if (this.media_) {\n          this.trigger('mediachanging');\n        }\n\n        if (!playlist.sidx) {\n          // Continue asynchronously if there is no sidx\n          // wait one tick to allow haveMaster to run first on a child loader\n          this.mediaRequest_ = window$3.setTimeout(this.haveMetadata.bind(this, {\n            startingState: startingState,\n            playlist: playlist\n          }), 0); // exit early and don't do sidx work\n\n          return;\n        } // we have sidx mappings\n\n\n        var oldMaster = void 0;\n        var sidxMapping = void 0; // sidxMapping is used when parsing the masterXml, so store\n        // it on the masterPlaylistLoader\n\n        if (this.masterPlaylistLoader_) {\n          oldMaster = this.masterPlaylistLoader_.master;\n          sidxMapping = this.masterPlaylistLoader_.sidxMapping_;\n        } else {\n          oldMaster = this.master;\n          sidxMapping = this.sidxMapping_;\n        }\n\n        var sidxKey = generateSidxKey(playlist.sidx);\n        sidxMapping[sidxKey] = {\n          sidxInfo: playlist.sidx\n        };\n        this.request = requestSidx_(playlist.sidx, playlist, this.hls_.xhr, {\n          handleManifestRedirects: this.handleManifestRedirects\n        }, this.sidxRequestFinished_(playlist, oldMaster, startingState, function (newMaster, sidx) {\n          if (!newMaster || !sidx) {\n            throw new Error('failed to request sidx');\n          } // update loader's sidxMapping with parsed sidx box\n\n\n          sidxMapping[sidxKey].sidx = sidx; // everything is ready just continue to haveMetadata\n\n          _this3.haveMetadata({\n            startingState: startingState,\n            playlist: newMaster.playlists[playlist.id]\n          });\n        }));\n      }\n    }, {\n      key: 'haveMetadata',\n      value: function haveMetadata(_ref) {\n        var startingState = _ref.startingState,\n            playlist = _ref.playlist;\n        this.state = 'HAVE_METADATA';\n        this.loadedPlaylists_[playlist.id] = playlist;\n        this.mediaRequest_ = null; // This will trigger loadedplaylist\n\n        this.refreshMedia_(playlist.id); // fire loadedmetadata the first time a media playlist is loaded\n        // to resolve setup of media groups\n\n        if (startingState === 'HAVE_MASTER') {\n          this.trigger('loadedmetadata');\n        } else {\n          // trigger media change if the active media has been updated\n          this.trigger('mediachange');\n        }\n      }\n    }, {\n      key: 'pause',\n      value: function pause() {\n        this.stopRequest();\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n\n        if (this.state === 'HAVE_NOTHING') {\n          // If we pause the loader before any data has been retrieved, its as if we never\n          // started, so reset to an unstarted state.\n          this.started = false;\n        }\n      }\n    }, {\n      key: 'load',\n      value: function load(isFinalRendition) {\n        var _this4 = this;\n\n        window$3.clearTimeout(this.mediaUpdateTimeout);\n        window$3.clearTimeout(this.minimumUpdatePeriodTimeout_);\n        var media = this.media();\n\n        if (isFinalRendition) {\n          var delay = media ? media.targetDuration / 2 * 1000 : 5 * 1000;\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            return _this4.load();\n          }, delay);\n          return;\n        } // because the playlists are internal to the manifest, load should either load the\n        // main manifest, or do nothing but trigger an event\n\n\n        if (!this.started) {\n          this.start();\n          return;\n        }\n\n        if (media && !media.endList) {\n          this.trigger('mediaupdatetimeout');\n        } else {\n          this.trigger('loadedplaylist');\n        }\n      }\n      /**\n       * Parses the master xml string and updates playlist uri references\n       *\n       * @return {Object}\n       *         The parsed mpd manifest object\n       */\n\n    }, {\n      key: 'parseMasterXml',\n      value: function parseMasterXml() {\n        var master = parse(this.masterXml_, {\n          manifestUri: this.srcUrl,\n          clientOffset: this.clientOffset_,\n          sidxMapping: this.sidxMapping_\n        });\n        master.uri = this.srcUrl; // Set up phony URIs for the playlists since we won't have external URIs for DASH\n        // but reference playlists by their URI throughout the project\n        // TODO: Should we create the dummy uris in mpd-parser as well (leaning towards yes).\n\n        for (var i = 0; i < master.playlists.length; i++) {\n          var phonyUri = 'placeholder-uri-' + i;\n          master.playlists[i].uri = phonyUri;\n        } // set up phony URIs for the media group playlists since we won't have external\n        // URIs for DASH but reference playlists by their URI throughout the project\n\n\n        forEachMediaGroup(master, function (properties, mediaType, groupKey, labelKey) {\n          if (properties.playlists && properties.playlists.length) {\n            var _phonyUri = 'placeholder-uri-' + mediaType + '-' + groupKey + '-' + labelKey;\n\n            var id = createPlaylistID(0, _phonyUri);\n            properties.playlists[0].uri = _phonyUri;\n            properties.playlists[0].id = id; // setup ID and URI references (URI for backwards compatibility)\n\n            master.playlists[id] = properties.playlists[0];\n            master.playlists[_phonyUri] = properties.playlists[0];\n          }\n        });\n        setupMediaPlaylists(master);\n        resolveMediaGroupUris(master);\n        return master;\n      }\n    }, {\n      key: 'start',\n      value: function start() {\n        var _this5 = this;\n\n        this.started = true; // We don't need to request the master manifest again\n        // Call this asynchronously to match the xhr request behavior below\n\n        if (this.masterPlaylistLoader_) {\n          this.mediaRequest_ = window$3.setTimeout(this.haveMaster_.bind(this), 0);\n          return;\n        } // request the specified URL\n\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this5.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this5.request = null;\n\n          if (error) {\n            _this5.error = {\n              status: req.status,\n              message: 'DASH playlist request error at URL: ' + _this5.srcUrl,\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this5.state === 'HAVE_NOTHING') {\n              _this5.started = false;\n            }\n\n            return _this5.trigger('error');\n          }\n\n          _this5.masterXml_ = req.responseText;\n\n          if (req.responseHeaders && req.responseHeaders.date) {\n            _this5.masterLoaded_ = Date.parse(req.responseHeaders.date);\n          } else {\n            _this5.masterLoaded_ = Date.now();\n          }\n\n          _this5.srcUrl = resolveManifestRedirect(_this5.handleManifestRedirects, _this5.srcUrl, req);\n\n          _this5.syncClientServerClock_(_this5.onClientServerClockSync_.bind(_this5));\n        });\n      }\n      /**\n       * Parses the master xml for UTCTiming node to sync the client clock to the server\n       * clock. If the UTCTiming node requires a HEAD or GET request, that request is made.\n       *\n       * @param {Function} done\n       *        Function to call when clock sync has completed\n       */\n\n    }, {\n      key: 'syncClientServerClock_',\n      value: function syncClientServerClock_(done) {\n        var _this6 = this;\n\n        var utcTiming = parseUTCTiming(this.masterXml_); // No UTCTiming element found in the mpd. Use Date header from mpd request as the\n        // server clock\n\n        if (utcTiming === null) {\n          this.clientOffset_ = this.masterLoaded_ - Date.now();\n          return done();\n        }\n\n        if (utcTiming.method === 'DIRECT') {\n          this.clientOffset_ = utcTiming.value - Date.now();\n          return done();\n        }\n\n        this.request = this.hls_.xhr({\n          uri: resolveUrl$1(this.srcUrl, utcTiming.value),\n          method: utcTiming.method,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this6.request) {\n            return;\n          }\n\n          if (error) {\n            // sync request failed, fall back to using date header from mpd\n            // TODO: log warning\n            _this6.clientOffset_ = _this6.masterLoaded_ - Date.now();\n            return done();\n          }\n\n          var serverTime = void 0;\n\n          if (utcTiming.method === 'HEAD') {\n            if (!req.responseHeaders || !req.responseHeaders.date) {\n              // expected date header not preset, fall back to using date header from mpd\n              // TODO: log warning\n              serverTime = _this6.masterLoaded_;\n            } else {\n              serverTime = Date.parse(req.responseHeaders.date);\n            }\n          } else {\n            serverTime = Date.parse(req.responseText);\n          }\n\n          _this6.clientOffset_ = serverTime - Date.now();\n          done();\n        });\n      }\n    }, {\n      key: 'haveMaster_',\n      value: function haveMaster_() {\n        this.state = 'HAVE_MASTER'; // clear media request\n\n        this.mediaRequest_ = null;\n\n        if (!this.masterPlaylistLoader_) {\n          this.master = this.parseMasterXml(); // We have the master playlist at this point, so\n          // trigger this to allow MasterPlaylistController\n          // to make an initial playlist selection\n\n          this.trigger('loadedplaylist');\n        } else if (!this.media_) {\n          // no media playlist was specifically selected so select\n          // the one the child playlist loader was created with\n          this.media(this.childPlaylist_);\n        }\n      }\n      /**\n       * Handler for after client/server clock synchronization has happened. Sets up\n       * xml refresh timer if specificed by the manifest.\n       */\n\n    }, {\n      key: 'onClientServerClockSync_',\n      value: function onClientServerClockSync_() {\n        var _this7 = this;\n\n        this.haveMaster_();\n\n        if (!this.hasPendingRequest() && !this.media_) {\n          this.media(this.master.playlists[0]);\n        } // TODO: minimumUpdatePeriod can have a value of 0. Currently the manifest will not\n        // be refreshed when this is the case. The inter-op guide says that when the\n        // minimumUpdatePeriod is 0, the manifest should outline all currently available\n        // segments, but future segments may require an update. I think a good solution\n        // would be to update the manifest at the same rate that the media playlists\n        // are \"refreshed\", i.e. every targetDuration.\n\n\n        if (this.master && this.master.minimumUpdatePeriod) {\n          this.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n            _this7.trigger('minimumUpdatePeriod');\n          }, this.master.minimumUpdatePeriod);\n        }\n      }\n      /**\n       * Sends request to refresh the master xml and updates the parsed master manifest\n       * TODO: Does the client offset need to be recalculated when the xml is refreshed?\n       */\n\n    }, {\n      key: 'refreshXml_',\n      value: function refreshXml_() {\n        var _this8 = this; // The srcUrl here *may* need to pass through handleManifestsRedirects when\n        // sidx is implemented\n\n\n        this.request = this.hls_.xhr({\n          uri: this.srcUrl,\n          withCredentials: this.withCredentials\n        }, function (error, req) {\n          // disposed\n          if (!_this8.request) {\n            return;\n          } // clear the loader's request reference\n\n\n          _this8.request = null;\n\n          if (error) {\n            _this8.error = {\n              status: req.status,\n              message: 'DASH playlist request error at URL: ' + _this8.srcUrl,\n              responseText: req.responseText,\n              // MEDIA_ERR_NETWORK\n              code: 2\n            };\n\n            if (_this8.state === 'HAVE_NOTHING') {\n              _this8.started = false;\n            }\n\n            return _this8.trigger('error');\n          }\n\n          _this8.masterXml_ = req.responseText; // This will filter out updated sidx info from the mapping\n\n          _this8.sidxMapping_ = filterChangedSidxMappings(_this8.masterXml_, _this8.srcUrl, _this8.clientOffset_, _this8.sidxMapping_);\n\n          var master = _this8.parseMasterXml();\n\n          var updatedMaster = updateMaster$1(_this8.master, master);\n\n          var currentSidxInfo = _this8.media().sidx;\n\n          if (updatedMaster) {\n            if (currentSidxInfo) {\n              var sidxKey = generateSidxKey(currentSidxInfo); // the sidx was updated, so the previous mapping was removed\n\n              if (!_this8.sidxMapping_[sidxKey]) {\n                var playlist = _this8.media();\n\n                _this8.request = requestSidx_(playlist.sidx, playlist, _this8.hls_.xhr, {\n                  handleManifestRedirects: _this8.handleManifestRedirects\n                }, _this8.sidxRequestFinished_(playlist, master, _this8.state, function (newMaster, sidx) {\n                  if (!newMaster || !sidx) {\n                    throw new Error('failed to request sidx on minimumUpdatePeriod');\n                  } // update loader's sidxMapping with parsed sidx box\n\n\n                  _this8.sidxMapping_[sidxKey].sidx = sidx;\n                  _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n                    _this8.trigger('minimumUpdatePeriod');\n                  }, _this8.master.minimumUpdatePeriod); // TODO: do we need to reload the current playlist?\n\n                  _this8.refreshMedia_(_this8.media().id);\n\n                  return;\n                }));\n              }\n            } else {\n              _this8.master = updatedMaster;\n            }\n          }\n\n          _this8.minimumUpdatePeriodTimeout_ = window$3.setTimeout(function () {\n            _this8.trigger('minimumUpdatePeriod');\n          }, _this8.master.minimumUpdatePeriod);\n        });\n      }\n      /**\n       * Refreshes the media playlist by re-parsing the master xml and updating playlist\n       * references. If this is an alternate loader, the updated parsed manifest is retrieved\n       * from the master loader.\n       */\n\n    }, {\n      key: 'refreshMedia_',\n      value: function refreshMedia_(mediaID) {\n        var _this9 = this;\n\n        if (!mediaID) {\n          throw new Error('refreshMedia_ must take a media id');\n        }\n\n        var oldMaster = void 0;\n        var newMaster = void 0;\n\n        if (this.masterPlaylistLoader_) {\n          oldMaster = this.masterPlaylistLoader_.master;\n          newMaster = this.masterPlaylistLoader_.parseMasterXml();\n        } else {\n          oldMaster = this.master;\n          newMaster = this.parseMasterXml();\n        }\n\n        var updatedMaster = updateMaster$1(oldMaster, newMaster);\n\n        if (updatedMaster) {\n          if (this.masterPlaylistLoader_) {\n            this.masterPlaylistLoader_.master = updatedMaster;\n          } else {\n            this.master = updatedMaster;\n          }\n\n          this.media_ = updatedMaster.playlists[mediaID];\n        } else {\n          this.media_ = newMaster.playlists[mediaID];\n          this.trigger('playlistunchanged');\n        }\n\n        if (!this.media().endList) {\n          this.mediaUpdateTimeout = window$3.setTimeout(function () {\n            _this9.trigger('mediaupdatetimeout');\n          }, refreshDelay(this.media(), !!updatedMaster));\n        }\n\n        this.trigger('loadedplaylist');\n      }\n    }]);\n    return DashPlaylistLoader;\n  }(EventTarget$1$1);\n\n  var logger = function logger(source) {\n    if (videojs$1.log.debug) {\n      return videojs$1.log.debug.bind(videojs$1, 'VHS:', source + ' >');\n    }\n\n    return function () {};\n  };\n\n  function noop$1() {}\n  /**\n   * @file source-updater.js\n   */\n\n  /**\n   * A queue of callbacks to be serialized and applied when a\n   * MediaSource and its associated SourceBuffers are not in the\n   * updating state. It is used by the segment loader to update the\n   * underlying SourceBuffers when new data is loaded, for instance.\n   *\n   * @class SourceUpdater\n   * @param {MediaSource} mediaSource the MediaSource to create the\n   * SourceBuffer from\n   * @param {String} mimeType the desired MIME type of the underlying\n   * SourceBuffer\n   * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer is\n   * added to the media source\n   */\n\n\n  var SourceUpdater = function () {\n    function SourceUpdater(mediaSource, mimeType, type, sourceBufferEmitter) {\n      classCallCheck$1(this, SourceUpdater);\n      this.callbacks_ = [];\n      this.pendingCallback_ = null;\n      this.timestampOffset_ = 0;\n      this.mediaSource = mediaSource;\n      this.processedAppend_ = false;\n      this.type_ = type;\n      this.mimeType_ = mimeType;\n      this.logger_ = logger('SourceUpdater[' + type + '][' + mimeType + ']');\n\n      if (mediaSource.readyState === 'closed') {\n        mediaSource.addEventListener('sourceopen', this.createSourceBuffer_.bind(this, mimeType, sourceBufferEmitter));\n      } else {\n        this.createSourceBuffer_(mimeType, sourceBufferEmitter);\n      }\n    }\n\n    createClass$1(SourceUpdater, [{\n      key: 'createSourceBuffer_',\n      value: function createSourceBuffer_(mimeType, sourceBufferEmitter) {\n        var _this = this;\n\n        this.sourceBuffer_ = this.mediaSource.addSourceBuffer(mimeType);\n        this.logger_('created SourceBuffer');\n\n        if (sourceBufferEmitter) {\n          sourceBufferEmitter.trigger('sourcebufferadded');\n\n          if (this.mediaSource.sourceBuffers.length < 2) {\n            // There's another source buffer we must wait for before we can start updating\n            // our own (or else we can get into a bad state, i.e., appending video/audio data\n            // before the other video/audio source buffer is available and leading to a video\n            // or audio only buffer).\n            sourceBufferEmitter.on('sourcebufferadded', function () {\n              _this.start_();\n            });\n            return;\n          }\n        }\n\n        this.start_();\n      }\n    }, {\n      key: 'start_',\n      value: function start_() {\n        var _this2 = this;\n\n        this.started_ = true; // run completion handlers and process callbacks as updateend\n        // events fire\n\n        this.onUpdateendCallback_ = function () {\n          var pendingCallback = _this2.pendingCallback_;\n          _this2.pendingCallback_ = null;\n          _this2.sourceBuffer_.removing = false;\n\n          _this2.logger_('buffered [' + printableRange(_this2.buffered()) + ']');\n\n          if (pendingCallback) {\n            pendingCallback();\n          }\n\n          _this2.runCallback_();\n        };\n\n        this.sourceBuffer_.addEventListener('updateend', this.onUpdateendCallback_);\n        this.runCallback_();\n      }\n      /**\n       * Aborts the current segment and resets the segment parser.\n       *\n       * @param {Function} done function to call when done\n       * @see http://w3c.github.io/media-source/#widl-SourceBuffer-abort-void\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort(done) {\n        var _this3 = this;\n\n        if (this.processedAppend_) {\n          this.queueCallback_(function () {\n            _this3.sourceBuffer_.abort();\n          }, done);\n        }\n      }\n      /**\n       * Queue an update to append an ArrayBuffer.\n       *\n       * @param {ArrayBuffer} bytes\n       * @param {Function} done the function to call when done\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-appendBuffer-void-ArrayBuffer-data\n       */\n\n    }, {\n      key: 'appendBuffer',\n      value: function appendBuffer(config, done) {\n        var _this4 = this;\n\n        this.processedAppend_ = true;\n        this.queueCallback_(function () {\n          if (config.videoSegmentTimingInfoCallback) {\n            _this4.sourceBuffer_.addEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);\n          }\n\n          _this4.sourceBuffer_.appendBuffer(config.bytes);\n        }, function () {\n          if (config.videoSegmentTimingInfoCallback) {\n            _this4.sourceBuffer_.removeEventListener('videoSegmentTimingInfo', config.videoSegmentTimingInfoCallback);\n          }\n\n          done();\n        });\n      }\n      /**\n       * Indicates what TimeRanges are buffered in the managed SourceBuffer.\n       *\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-buffered\n       */\n\n    }, {\n      key: 'buffered',\n      value: function buffered() {\n        if (!this.sourceBuffer_) {\n          return videojs$1.createTimeRanges();\n        }\n\n        return this.sourceBuffer_.buffered;\n      }\n      /**\n       * Queue an update to remove a time range from the buffer.\n       *\n       * @param {Number} start where to start the removal\n       * @param {Number} end where to end the removal\n       * @param {Function} [done=noop] optional callback to be executed when the remove\n       * operation is complete\n       * @see http://www.w3.org/TR/media-source/#widl-SourceBuffer-remove-void-double-start-unrestricted-double-end\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        var _this5 = this;\n\n        var done = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : noop$1;\n\n        if (this.processedAppend_) {\n          this.queueCallback_(function () {\n            _this5.logger_('remove [' + start + ' => ' + end + ']');\n\n            _this5.sourceBuffer_.removing = true;\n\n            _this5.sourceBuffer_.remove(start, end);\n          }, done);\n        }\n      }\n      /**\n       * Whether the underlying sourceBuffer is updating or not\n       *\n       * @return {Boolean} the updating status of the SourceBuffer\n       */\n\n    }, {\n      key: 'updating',\n      value: function updating() {\n        // we are updating if the sourcebuffer is updating or\n        return !this.sourceBuffer_ || this.sourceBuffer_.updating || // if we have a pending callback that is not our internal noop\n        !!this.pendingCallback_ && this.pendingCallback_ !== noop$1;\n      }\n      /**\n       * Set/get the timestampoffset on the SourceBuffer\n       *\n       * @return {Number} the timestamp offset\n       */\n\n    }, {\n      key: 'timestampOffset',\n      value: function timestampOffset(offset) {\n        var _this6 = this;\n\n        if (typeof offset !== 'undefined') {\n          this.queueCallback_(function () {\n            _this6.sourceBuffer_.timestampOffset = offset;\n\n            _this6.runCallback_();\n          });\n          this.timestampOffset_ = offset;\n        }\n\n        return this.timestampOffset_;\n      }\n      /**\n       * Queue a callback to run\n       */\n\n    }, {\n      key: 'queueCallback_',\n      value: function queueCallback_(callback, done) {\n        this.callbacks_.push([callback.bind(this), done]);\n        this.runCallback_();\n      }\n      /**\n       * Run a queued callback\n       */\n\n    }, {\n      key: 'runCallback_',\n      value: function runCallback_() {\n        var callbacks = void 0;\n\n        if (!this.updating() && this.callbacks_.length && this.started_) {\n          callbacks = this.callbacks_.shift();\n          this.pendingCallback_ = callbacks[1];\n          callbacks[0]();\n        }\n      }\n      /**\n       * dispose of the source updater and the underlying sourceBuffer\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        var _this7 = this;\n\n        var disposeFn = function disposeFn() {\n          if (_this7.sourceBuffer_ && _this7.mediaSource.readyState === 'open') {\n            _this7.sourceBuffer_.abort();\n          }\n\n          _this7.sourceBuffer_.removeEventListener('updateend', disposeFn);\n        };\n\n        this.sourceBuffer_.removeEventListener('updateend', this.onUpdateendCallback_);\n\n        if (this.sourceBuffer_.removing) {\n          this.sourceBuffer_.addEventListener('updateend', disposeFn);\n        } else {\n          disposeFn();\n        }\n      }\n    }]);\n    return SourceUpdater;\n  }();\n\n  var Config = {\n    GOAL_BUFFER_LENGTH: 30,\n    MAX_GOAL_BUFFER_LENGTH: 60,\n    GOAL_BUFFER_LENGTH_RATE: 1,\n    // 0.5 MB/s\n    INITIAL_BANDWIDTH: 4194304,\n    // A fudge factor to apply to advertised playlist bitrates to account for\n    // temporary flucations in client bandwidth\n    BANDWIDTH_VARIANCE: 1.2,\n    // How much of the buffer must be filled before we consider upswitching\n    BUFFER_LOW_WATER_LINE: 0,\n    MAX_BUFFER_LOW_WATER_LINE: 30,\n    BUFFER_LOW_WATER_LINE_RATE: 1\n  };\n  var REQUEST_ERRORS = {\n    FAILURE: 2,\n    TIMEOUT: -101,\n    ABORTED: -102\n  };\n  /**\n   * Abort all requests\n   *\n   * @param {Object} activeXhrs - an object that tracks all XHR requests\n   */\n\n  var abortAll = function abortAll(activeXhrs) {\n    activeXhrs.forEach(function (xhr) {\n      xhr.abort();\n    });\n  };\n  /**\n   * Gather important bandwidth stats once a request has completed\n   *\n   * @param {Object} request - the XHR request from which to gather stats\n   */\n\n\n  var getRequestStats = function getRequestStats(request) {\n    return {\n      bandwidth: request.bandwidth,\n      bytesReceived: request.bytesReceived || 0,\n      roundTripTime: request.roundTripTime || 0\n    };\n  };\n  /**\n   * If possible gather bandwidth stats as a request is in\n   * progress\n   *\n   * @param {Event} progressEvent - an event object from an XHR's progress event\n   */\n\n\n  var getProgressStats = function getProgressStats(progressEvent) {\n    var request = progressEvent.target;\n    var roundTripTime = Date.now() - request.requestTime;\n    var stats = {\n      bandwidth: Infinity,\n      bytesReceived: 0,\n      roundTripTime: roundTripTime || 0\n    };\n    stats.bytesReceived = progressEvent.loaded; // This can result in Infinity if stats.roundTripTime is 0 but that is ok\n    // because we should only use bandwidth stats on progress to determine when\n    // abort a request early due to insufficient bandwidth\n\n    stats.bandwidth = Math.floor(stats.bytesReceived / stats.roundTripTime * 8 * 1000);\n    return stats;\n  };\n  /**\n   * Handle all error conditions in one place and return an object\n   * with all the information\n   *\n   * @param {Error|null} error - if non-null signals an error occured with the XHR\n   * @param {Object} request -  the XHR request that possibly generated the error\n   */\n\n\n  var handleErrors = function handleErrors(error, request) {\n    if (request.timedout) {\n      return {\n        status: request.status,\n        message: 'HLS request timed-out at URL: ' + request.uri,\n        code: REQUEST_ERRORS.TIMEOUT,\n        xhr: request\n      };\n    }\n\n    if (request.aborted) {\n      return {\n        status: request.status,\n        message: 'HLS request aborted at URL: ' + request.uri,\n        code: REQUEST_ERRORS.ABORTED,\n        xhr: request\n      };\n    }\n\n    if (error) {\n      return {\n        status: request.status,\n        message: 'HLS request errored at URL: ' + request.uri,\n        code: REQUEST_ERRORS.FAILURE,\n        xhr: request\n      };\n    }\n\n    return null;\n  };\n  /**\n   * Handle responses for key data and convert the key data to the correct format\n   * for the decryption step later\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleKeyResponse = function handleKeyResponse(segment, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      }\n\n      if (response.byteLength !== 16) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Invalid HLS key at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      var view = new DataView(response);\n      segment.key.bytes = new Uint32Array([view.getUint32(0), view.getUint32(4), view.getUint32(8), view.getUint32(12)]);\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Handle init-segment responses\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleInitSegmentResponse = function handleInitSegmentResponse(segment, captionParser, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      } // stop processing if received empty content\n\n\n      if (response.byteLength === 0) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Empty HLS segment content at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      segment.map.bytes = new Uint8Array(request.response); // Initialize CaptionParser if it hasn't been yet\n\n      if (captionParser && !captionParser.isInitialized()) {\n        captionParser.init();\n      }\n\n      segment.map.timescales = probe.timescale(segment.map.bytes);\n      segment.map.videoTrackIds = probe.videoTrackIds(segment.map.bytes);\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Response handler for segment-requests being sure to set the correct\n   * property depending on whether the segment is encryped or not\n   * Also records and keeps track of stats that are used for ABR purposes\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} finishProcessingFn - a callback to execute to continue processing\n   *                                        this request\n   */\n\n\n  var handleSegmentResponse = function handleSegmentResponse(segment, captionParser, finishProcessingFn) {\n    return function (error, request) {\n      var response = request.response;\n      var errorObj = handleErrors(error, request);\n      var parsed = void 0;\n\n      if (errorObj) {\n        return finishProcessingFn(errorObj, segment);\n      } // stop processing if received empty content\n\n\n      if (response.byteLength === 0) {\n        return finishProcessingFn({\n          status: request.status,\n          message: 'Empty HLS segment content at URL: ' + request.uri,\n          code: REQUEST_ERRORS.FAILURE,\n          xhr: request\n        }, segment);\n      }\n\n      segment.stats = getRequestStats(request);\n\n      if (segment.key) {\n        segment.encryptedBytes = new Uint8Array(request.response);\n      } else {\n        segment.bytes = new Uint8Array(request.response);\n      } // This is likely an FMP4 and has the init segment.\n      // Run through the CaptionParser in case there are captions.\n\n\n      if (captionParser && segment.map && segment.map.bytes) {\n        // Initialize CaptionParser if it hasn't been yet\n        if (!captionParser.isInitialized()) {\n          captionParser.init();\n        }\n\n        parsed = captionParser.parse(segment.bytes, segment.map.videoTrackIds, segment.map.timescales);\n\n        if (parsed && parsed.captions) {\n          segment.captionStreams = parsed.captionStreams;\n          segment.fmp4Captions = parsed.captions;\n        }\n      }\n\n      return finishProcessingFn(null, segment);\n    };\n  };\n  /**\n   * Decrypt the segment via the decryption web worker\n   *\n   * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} doneFn - a callback that is executed after decryption has completed\n   */\n\n\n  var decryptSegment = function decryptSegment(decrypter, segment, doneFn) {\n    var decryptionHandler = function decryptionHandler(event) {\n      if (event.data.source === segment.requestId) {\n        decrypter.removeEventListener('message', decryptionHandler);\n        var decrypted = event.data.decrypted;\n        segment.bytes = new Uint8Array(decrypted.bytes, decrypted.byteOffset, decrypted.byteLength);\n        return doneFn(null, segment);\n      }\n    };\n\n    decrypter.addEventListener('message', decryptionHandler);\n    var keyBytes = void 0;\n\n    if (segment.key.bytes.slice) {\n      keyBytes = segment.key.bytes.slice();\n    } else {\n      keyBytes = new Uint32Array(Array.prototype.slice.call(segment.key.bytes));\n    } // this is an encrypted segment\n    // incrementally decrypt the segment\n\n\n    decrypter.postMessage(createTransferableMessage({\n      source: segment.requestId,\n      encrypted: segment.encryptedBytes,\n      key: keyBytes,\n      iv: segment.key.iv\n    }), [segment.encryptedBytes.buffer, keyBytes.buffer]);\n  };\n  /**\n   * This function waits for all XHRs to finish (with either success or failure)\n   * before continueing processing via it's callback. The function gathers errors\n   * from each request into a single errors array so that the error status for\n   * each request can be examined later.\n   *\n   * @param {Object} activeXhrs - an object that tracks all XHR requests\n   * @param {WebWorker} decrypter - a WebWorker interface to AES-128 decryption routines\n   * @param {Function} doneFn - a callback that is executed after all resources have been\n   *                            downloaded and any decryption completed\n   */\n\n\n  var waitForCompletion = function waitForCompletion(activeXhrs, decrypter, doneFn) {\n    var count = 0;\n    var didError = false;\n    return function (error, segment) {\n      if (didError) {\n        return;\n      }\n\n      if (error) {\n        didError = true; // If there are errors, we have to abort any outstanding requests\n\n        abortAll(activeXhrs); // Even though the requests above are aborted, and in theory we could wait until we\n        // handle the aborted events from those requests, there are some cases where we may\n        // never get an aborted event. For instance, if the network connection is lost and\n        // there were two requests, the first may have triggered an error immediately, while\n        // the second request remains unsent. In that case, the aborted algorithm will not\n        // trigger an abort: see https://xhr.spec.whatwg.org/#the-abort()-method\n        //\n        // We also can't rely on the ready state of the XHR, since the request that\n        // triggered the connection error may also show as a ready state of 0 (unsent).\n        // Therefore, we have to finish this group of requests immediately after the first\n        // seen error.\n\n        return doneFn(error, segment);\n      }\n\n      count += 1;\n\n      if (count === activeXhrs.length) {\n        // Keep track of when *all* of the requests have completed\n        segment.endOfAllRequests = Date.now();\n\n        if (segment.encryptedBytes) {\n          return decryptSegment(decrypter, segment, doneFn);\n        } // Otherwise, everything is ready just continue\n\n\n        return doneFn(null, segment);\n      }\n    };\n  };\n  /**\n   * Simple progress event callback handler that gathers some stats before\n   * executing a provided callback with the `segment` object\n   *\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} progressFn - a callback that is executed each time a progress event\n   *                                is received\n   * @param {Event} event - the progress event object from XMLHttpRequest\n   */\n\n\n  var handleProgress = function handleProgress(segment, progressFn) {\n    return function (event) {\n      segment.stats = videojs$1.mergeOptions(segment.stats, getProgressStats(event)); // record the time that we receive the first byte of data\n\n      if (!segment.stats.firstBytesReceivedAt && segment.stats.bytesReceived) {\n        segment.stats.firstBytesReceivedAt = Date.now();\n      }\n\n      return progressFn(event, segment);\n    };\n  };\n  /**\n   * Load all resources and does any processing necessary for a media-segment\n   *\n   * Features:\n   *   decrypts the media-segment if it has a key uri and an iv\n   *   aborts *all* requests if *any* one request fails\n   *\n   * The segment object, at minimum, has the following format:\n   * {\n   *   resolvedUri: String,\n   *   [byterange]: {\n   *     offset: Number,\n   *     length: Number\n   *   },\n   *   [key]: {\n   *     resolvedUri: String\n   *     [byterange]: {\n   *       offset: Number,\n   *       length: Number\n   *     },\n   *     iv: {\n   *       bytes: Uint32Array\n   *     }\n   *   },\n   *   [map]: {\n   *     resolvedUri: String,\n   *     [byterange]: {\n   *       offset: Number,\n   *       length: Number\n   *     },\n   *     [bytes]: Uint8Array\n   *   }\n   * }\n   * ...where [name] denotes optional properties\n   *\n   * @param {Function} xhr - an instance of the xhr wrapper in xhr.js\n   * @param {Object} xhrOptions - the base options to provide to all xhr requests\n   * @param {WebWorker} decryptionWorker - a WebWorker interface to AES-128\n   *                                       decryption routines\n   * @param {Object} segment - a simplified copy of the segmentInfo object\n   *                           from SegmentLoader\n   * @param {Function} progressFn - a callback that receives progress events from the main\n   *                                segment's xhr request\n   * @param {Function} doneFn - a callback that is executed only once all requests have\n   *                            succeeded or failed\n   * @returns {Function} a function that, when invoked, immediately aborts all\n   *                     outstanding requests\n   */\n\n\n  var mediaSegmentRequest = function mediaSegmentRequest(xhr, xhrOptions, decryptionWorker, captionParser, segment, progressFn, doneFn) {\n    var activeXhrs = [];\n    var finishProcessingFn = waitForCompletion(activeXhrs, decryptionWorker, doneFn); // optionally, request the decryption key\n\n    if (segment.key && !segment.key.bytes) {\n      var keyRequestOptions = videojs$1.mergeOptions(xhrOptions, {\n        uri: segment.key.resolvedUri,\n        responseType: 'arraybuffer'\n      });\n      var keyRequestCallback = handleKeyResponse(segment, finishProcessingFn);\n      var keyXhr = xhr(keyRequestOptions, keyRequestCallback);\n      activeXhrs.push(keyXhr);\n    } // optionally, request the associated media init segment\n\n\n    if (segment.map && !segment.map.bytes) {\n      var initSegmentOptions = videojs$1.mergeOptions(xhrOptions, {\n        uri: segment.map.resolvedUri,\n        responseType: 'arraybuffer',\n        headers: segmentXhrHeaders(segment.map)\n      });\n      var initSegmentRequestCallback = handleInitSegmentResponse(segment, captionParser, finishProcessingFn);\n      var initSegmentXhr = xhr(initSegmentOptions, initSegmentRequestCallback);\n      activeXhrs.push(initSegmentXhr);\n    }\n\n    var segmentRequestOptions = videojs$1.mergeOptions(xhrOptions, {\n      uri: segment.resolvedUri,\n      responseType: 'arraybuffer',\n      headers: segmentXhrHeaders(segment)\n    });\n    var segmentRequestCallback = handleSegmentResponse(segment, captionParser, finishProcessingFn);\n    var segmentXhr = xhr(segmentRequestOptions, segmentRequestCallback);\n    segmentXhr.addEventListener('progress', handleProgress(segment, progressFn));\n    activeXhrs.push(segmentXhr);\n    return function () {\n      return abortAll(activeXhrs);\n    };\n  }; // Utilities\n\n  /**\n   * Returns the CSS value for the specified property on an element\n   * using `getComputedStyle`. Firefox has a long-standing issue where\n   * getComputedStyle() may return null when running in an iframe with\n   * `display: none`.\n   *\n   * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397\n   * @param {HTMLElement} el the htmlelement to work on\n   * @param {string} the proprety to get the style for\n   */\n\n\n  var safeGetComputedStyle = function safeGetComputedStyle(el, property) {\n    var result = void 0;\n\n    if (!el) {\n      return '';\n    }\n\n    result = window$3.getComputedStyle(el);\n\n    if (!result) {\n      return '';\n    }\n\n    return result[property];\n  };\n  /**\n   * Resuable stable sort function\n   *\n   * @param {Playlists} array\n   * @param {Function} sortFn Different comparators\n   * @function stableSort\n   */\n\n\n  var stableSort = function stableSort(array, sortFn) {\n    var newArray = array.slice();\n    array.sort(function (left, right) {\n      var cmp = sortFn(left, right);\n\n      if (cmp === 0) {\n        return newArray.indexOf(left) - newArray.indexOf(right);\n      }\n\n      return cmp;\n    });\n  };\n  /**\n   * A comparator function to sort two playlist object by bandwidth.\n   *\n   * @param {Object} left a media playlist object\n   * @param {Object} right a media playlist object\n   * @return {Number} Greater than zero if the bandwidth attribute of\n   * left is greater than the corresponding attribute of right. Less\n   * than zero if the bandwidth of right is greater than left and\n   * exactly zero if the two are equal.\n   */\n\n\n  var comparePlaylistBandwidth = function comparePlaylistBandwidth(left, right) {\n    var leftBandwidth = void 0;\n    var rightBandwidth = void 0;\n\n    if (left.attributes.BANDWIDTH) {\n      leftBandwidth = left.attributes.BANDWIDTH;\n    }\n\n    leftBandwidth = leftBandwidth || window$3.Number.MAX_VALUE;\n\n    if (right.attributes.BANDWIDTH) {\n      rightBandwidth = right.attributes.BANDWIDTH;\n    }\n\n    rightBandwidth = rightBandwidth || window$3.Number.MAX_VALUE;\n    return leftBandwidth - rightBandwidth;\n  };\n  /**\n   * A comparator function to sort two playlist object by resolution (width).\n   * @param {Object} left a media playlist object\n   * @param {Object} right a media playlist object\n   * @return {Number} Greater than zero if the resolution.width attribute of\n   * left is greater than the corresponding attribute of right. Less\n   * than zero if the resolution.width of right is greater than left and\n   * exactly zero if the two are equal.\n   */\n\n\n  var comparePlaylistResolution = function comparePlaylistResolution(left, right) {\n    var leftWidth = void 0;\n    var rightWidth = void 0;\n\n    if (left.attributes.RESOLUTION && left.attributes.RESOLUTION.width) {\n      leftWidth = left.attributes.RESOLUTION.width;\n    }\n\n    leftWidth = leftWidth || window$3.Number.MAX_VALUE;\n\n    if (right.attributes.RESOLUTION && right.attributes.RESOLUTION.width) {\n      rightWidth = right.attributes.RESOLUTION.width;\n    }\n\n    rightWidth = rightWidth || window$3.Number.MAX_VALUE; // NOTE - Fallback to bandwidth sort as appropriate in cases where multiple renditions\n    // have the same media dimensions/ resolution\n\n    if (leftWidth === rightWidth && left.attributes.BANDWIDTH && right.attributes.BANDWIDTH) {\n      return left.attributes.BANDWIDTH - right.attributes.BANDWIDTH;\n    }\n\n    return leftWidth - rightWidth;\n  };\n  /**\n   * Chooses the appropriate media playlist based on bandwidth and player size\n   *\n   * @param {Object} master\n   *        Object representation of the master manifest\n   * @param {Number} playerBandwidth\n   *        Current calculated bandwidth of the player\n   * @param {Number} playerWidth\n   *        Current width of the player element\n   * @param {Number} playerHeight\n   *        Current height of the player element\n   * @param {Boolean} limitRenditionByPlayerDimensions\n   *        True if the player width and height should be used during the selection, false otherwise\n   * @return {Playlist} the highest bitrate playlist less than the\n   * currently detected bandwidth, accounting for some amount of\n   * bandwidth variance\n   */\n\n\n  var simpleSelector = function simpleSelector(master, playerBandwidth, playerWidth, playerHeight, limitRenditionByPlayerDimensions) {\n    // convert the playlists to an intermediary representation to make comparisons easier\n    var sortedPlaylistReps = master.playlists.map(function (playlist) {\n      var width = void 0;\n      var height = void 0;\n      var bandwidth = void 0;\n      width = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.width;\n      height = playlist.attributes.RESOLUTION && playlist.attributes.RESOLUTION.height;\n      bandwidth = playlist.attributes.BANDWIDTH;\n      bandwidth = bandwidth || window$3.Number.MAX_VALUE;\n      return {\n        bandwidth: bandwidth,\n        width: width,\n        height: height,\n        playlist: playlist\n      };\n    });\n    stableSort(sortedPlaylistReps, function (left, right) {\n      return left.bandwidth - right.bandwidth;\n    }); // filter out any playlists that have been excluded due to\n    // incompatible configurations\n\n    sortedPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n      return !Playlist.isIncompatible(rep.playlist);\n    }); // filter out any playlists that have been disabled manually through the representations\n    // api or blacklisted temporarily due to playback errors.\n\n    var enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n      return Playlist.isEnabled(rep.playlist);\n    });\n\n    if (!enabledPlaylistReps.length) {\n      // if there are no enabled playlists, then they have all been blacklisted or disabled\n      // by the user through the representations api. In this case, ignore blacklisting and\n      // fallback to what the user wants by using playlists the user has not disabled.\n      enabledPlaylistReps = sortedPlaylistReps.filter(function (rep) {\n        return !Playlist.isDisabled(rep.playlist);\n      });\n    } // filter out any variant that has greater effective bitrate\n    // than the current estimated bandwidth\n\n\n    var bandwidthPlaylistReps = enabledPlaylistReps.filter(function (rep) {\n      return rep.bandwidth * Config.BANDWIDTH_VARIANCE < playerBandwidth;\n    });\n    var highestRemainingBandwidthRep = bandwidthPlaylistReps[bandwidthPlaylistReps.length - 1]; // get all of the renditions with the same (highest) bandwidth\n    // and then taking the very first element\n\n    var bandwidthBestRep = bandwidthPlaylistReps.filter(function (rep) {\n      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n    })[0]; // if we're not going to limit renditions by player size, make an early decision.\n\n    if (limitRenditionByPlayerDimensions === false) {\n      var _chosenRep = bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];\n\n      return _chosenRep ? _chosenRep.playlist : null;\n    } // filter out playlists without resolution information\n\n\n    var haveResolution = bandwidthPlaylistReps.filter(function (rep) {\n      return rep.width && rep.height;\n    }); // sort variants by resolution\n\n    stableSort(haveResolution, function (left, right) {\n      return left.width - right.width;\n    }); // if we have the exact resolution as the player use it\n\n    var resolutionBestRepList = haveResolution.filter(function (rep) {\n      return rep.width === playerWidth && rep.height === playerHeight;\n    });\n    highestRemainingBandwidthRep = resolutionBestRepList[resolutionBestRepList.length - 1]; // ensure that we pick the highest bandwidth variant that have exact resolution\n\n    var resolutionBestRep = resolutionBestRepList.filter(function (rep) {\n      return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n    })[0];\n    var resolutionPlusOneList = void 0;\n    var resolutionPlusOneSmallest = void 0;\n    var resolutionPlusOneRep = void 0; // find the smallest variant that is larger than the player\n    // if there is no match of exact resolution\n\n    if (!resolutionBestRep) {\n      resolutionPlusOneList = haveResolution.filter(function (rep) {\n        return rep.width > playerWidth || rep.height > playerHeight;\n      }); // find all the variants have the same smallest resolution\n\n      resolutionPlusOneSmallest = resolutionPlusOneList.filter(function (rep) {\n        return rep.width === resolutionPlusOneList[0].width && rep.height === resolutionPlusOneList[0].height;\n      }); // ensure that we also pick the highest bandwidth variant that\n      // is just-larger-than the video player\n\n      highestRemainingBandwidthRep = resolutionPlusOneSmallest[resolutionPlusOneSmallest.length - 1];\n      resolutionPlusOneRep = resolutionPlusOneSmallest.filter(function (rep) {\n        return rep.bandwidth === highestRemainingBandwidthRep.bandwidth;\n      })[0];\n    } // fallback chain of variants\n\n\n    var chosenRep = resolutionPlusOneRep || resolutionBestRep || bandwidthBestRep || enabledPlaylistReps[0] || sortedPlaylistReps[0];\n    return chosenRep ? chosenRep.playlist : null;\n  }; // Playlist Selectors\n\n  /**\n   * Chooses the appropriate media playlist based on the most recent\n   * bandwidth estimate and the player size.\n   *\n   * Expects to be called within the context of an instance of HlsHandler\n   *\n   * @return {Playlist} the highest bitrate playlist less than the\n   * currently detected bandwidth, accounting for some amount of\n   * bandwidth variance\n   */\n\n\n  var lastBandwidthSelector = function lastBandwidthSelector() {\n    return simpleSelector(this.playlists.master, this.systemBandwidth, parseInt(safeGetComputedStyle(this.tech_.el(), 'width'), 10), parseInt(safeGetComputedStyle(this.tech_.el(), 'height'), 10), this.limitRenditionByPlayerDimensions);\n  };\n  /**\n   * Chooses the appropriate media playlist based on the potential to rebuffer\n   *\n   * @param {Object} settings\n   *        Object of information required to use this selector\n   * @param {Object} settings.master\n   *        Object representation of the master manifest\n   * @param {Number} settings.currentTime\n   *        The current time of the player\n   * @param {Number} settings.bandwidth\n   *        Current measured bandwidth\n   * @param {Number} settings.duration\n   *        Duration of the media\n   * @param {Number} settings.segmentDuration\n   *        Segment duration to be used in round trip time calculations\n   * @param {Number} settings.timeUntilRebuffer\n   *        Time left in seconds until the player has to rebuffer\n   * @param {Number} settings.currentTimeline\n   *        The current timeline segments are being loaded from\n   * @param {SyncController} settings.syncController\n   *        SyncController for determining if we have a sync point for a given playlist\n   * @return {Object|null}\n   *         {Object} return.playlist\n   *         The highest bandwidth playlist with the least amount of rebuffering\n   *         {Number} return.rebufferingImpact\n   *         The amount of time in seconds switching to this playlist will rebuffer. A\n   *         negative value means that switching will cause zero rebuffering.\n   */\n\n\n  var minRebufferMaxBandwidthSelector = function minRebufferMaxBandwidthSelector(settings) {\n    var master = settings.master,\n        currentTime = settings.currentTime,\n        bandwidth = settings.bandwidth,\n        duration$$1 = settings.duration,\n        segmentDuration = settings.segmentDuration,\n        timeUntilRebuffer = settings.timeUntilRebuffer,\n        currentTimeline = settings.currentTimeline,\n        syncController = settings.syncController; // filter out any playlists that have been excluded due to\n    // incompatible configurations\n\n    var compatiblePlaylists = master.playlists.filter(function (playlist) {\n      return !Playlist.isIncompatible(playlist);\n    }); // filter out any playlists that have been disabled manually through the representations\n    // api or blacklisted temporarily due to playback errors.\n\n    var enabledPlaylists = compatiblePlaylists.filter(Playlist.isEnabled);\n\n    if (!enabledPlaylists.length) {\n      // if there are no enabled playlists, then they have all been blacklisted or disabled\n      // by the user through the representations api. In this case, ignore blacklisting and\n      // fallback to what the user wants by using playlists the user has not disabled.\n      enabledPlaylists = compatiblePlaylists.filter(function (playlist) {\n        return !Playlist.isDisabled(playlist);\n      });\n    }\n\n    var bandwidthPlaylists = enabledPlaylists.filter(Playlist.hasAttribute.bind(null, 'BANDWIDTH'));\n    var rebufferingEstimates = bandwidthPlaylists.map(function (playlist) {\n      var syncPoint = syncController.getSyncPoint(playlist, duration$$1, currentTimeline, currentTime); // If there is no sync point for this playlist, switching to it will require a\n      // sync request first. This will double the request time\n\n      var numRequests = syncPoint ? 1 : 2;\n      var requestTimeEstimate = Playlist.estimateSegmentRequestTime(segmentDuration, bandwidth, playlist);\n      var rebufferingImpact = requestTimeEstimate * numRequests - timeUntilRebuffer;\n      return {\n        playlist: playlist,\n        rebufferingImpact: rebufferingImpact\n      };\n    });\n    var noRebufferingPlaylists = rebufferingEstimates.filter(function (estimate) {\n      return estimate.rebufferingImpact <= 0;\n    }); // Sort by bandwidth DESC\n\n    stableSort(noRebufferingPlaylists, function (a, b) {\n      return comparePlaylistBandwidth(b.playlist, a.playlist);\n    });\n\n    if (noRebufferingPlaylists.length) {\n      return noRebufferingPlaylists[0];\n    }\n\n    stableSort(rebufferingEstimates, function (a, b) {\n      return a.rebufferingImpact - b.rebufferingImpact;\n    });\n    return rebufferingEstimates[0] || null;\n  };\n  /**\n   * Chooses the appropriate media playlist, which in this case is the lowest bitrate\n   * one with video.  If no renditions with video exist, return the lowest audio rendition.\n   *\n   * Expects to be called within the context of an instance of HlsHandler\n   *\n   * @return {Object|null}\n   *         {Object} return.playlist\n   *         The lowest bitrate playlist that contains a video codec.  If no such rendition\n   *         exists pick the lowest audio rendition.\n   */\n\n\n  var lowestBitrateCompatibleVariantSelector = function lowestBitrateCompatibleVariantSelector() {\n    // filter out any playlists that have been excluded due to\n    // incompatible configurations or playback errors\n    var playlists = this.playlists.master.playlists.filter(Playlist.isEnabled); // Sort ascending by bitrate\n\n    stableSort(playlists, function (a, b) {\n      return comparePlaylistBandwidth(a, b);\n    }); // Parse and assume that playlists with no video codec have no video\n    // (this is not necessarily true, although it is generally true).\n    //\n    // If an entire manifest has no valid videos everything will get filtered\n    // out.\n\n    var playlistsWithVideo = playlists.filter(function (playlist) {\n      return parseCodecs(playlist.attributes.CODECS).videoCodec;\n    });\n    return playlistsWithVideo[0] || null;\n  };\n  /**\n   * Create captions text tracks on video.js if they do not exist\n   *\n   * @param {Object} inbandTextTracks a reference to current inbandTextTracks\n   * @param {Object} tech the video.js tech\n   * @param {Object} captionStreams the caption streams to create\n   * @private\n   */\n\n\n  var createCaptionsTrackIfNotExists = function createCaptionsTrackIfNotExists(inbandTextTracks, tech, captionStreams) {\n    for (var trackId in captionStreams) {\n      if (!inbandTextTracks[trackId]) {\n        tech.trigger({\n          type: 'usage',\n          name: 'hls-608'\n        });\n        var track = tech.textTracks().getTrackById(trackId);\n\n        if (track) {\n          // Resuse an existing track with a CC# id because this was\n          // very likely created by videojs-contrib-hls from information\n          // in the m3u8 for us to use\n          inbandTextTracks[trackId] = track;\n        } else {\n          // Otherwise, create a track with the default `CC#` label and\n          // without a language\n          inbandTextTracks[trackId] = tech.addRemoteTextTrack({\n            kind: 'captions',\n            id: trackId,\n            label: trackId\n          }, false).track;\n        }\n      }\n    }\n  };\n\n  var addCaptionData = function addCaptionData(_ref) {\n    var inbandTextTracks = _ref.inbandTextTracks,\n        captionArray = _ref.captionArray,\n        timestampOffset = _ref.timestampOffset;\n\n    if (!captionArray) {\n      return;\n    }\n\n    var Cue = window.WebKitDataCue || window.VTTCue;\n    captionArray.forEach(function (caption) {\n      var track = caption.stream;\n      var startTime = caption.startTime;\n      var endTime = caption.endTime;\n\n      if (!inbandTextTracks[track]) {\n        return;\n      }\n\n      startTime += timestampOffset;\n      endTime += timestampOffset;\n      inbandTextTracks[track].addCue(new Cue(startTime, endTime, caption.text));\n    });\n  };\n  /**\n   * @file segment-loader.js\n   */\n  // in ms\n\n\n  var CHECK_BUFFER_DELAY = 500;\n  /**\n   * Determines if we should call endOfStream on the media source based\n   * on the state of the buffer or if appened segment was the final\n   * segment in the playlist.\n   *\n   * @param {Object} playlist a media playlist object\n   * @param {Object} mediaSource the MediaSource object\n   * @param {Number} segmentIndex the index of segment we last appended\n   * @returns {Boolean} do we need to call endOfStream on the MediaSource\n   */\n\n  var detectEndOfStream = function detectEndOfStream(playlist, mediaSource, segmentIndex) {\n    if (!playlist || !mediaSource) {\n      return false;\n    }\n\n    var segments = playlist.segments; // determine a few boolean values to help make the branch below easier\n    // to read\n\n    var appendedLastSegment = segmentIndex === segments.length; // if we've buffered to the end of the video, we need to call endOfStream\n    // so that MediaSources can trigger the `ended` event when it runs out of\n    // buffered data instead of waiting for me\n\n    return playlist.endList && mediaSource.readyState === 'open' && appendedLastSegment;\n  };\n\n  var finite = function finite(num) {\n    return typeof num === 'number' && isFinite(num);\n  };\n\n  var illegalMediaSwitch = function illegalMediaSwitch(loaderType, startingMedia, newSegmentMedia) {\n    // Although these checks should most likely cover non 'main' types, for now it narrows\n    // the scope of our checks.\n    if (loaderType !== 'main' || !startingMedia || !newSegmentMedia) {\n      return null;\n    }\n\n    if (!newSegmentMedia.containsAudio && !newSegmentMedia.containsVideo) {\n      return 'Neither audio nor video found in segment.';\n    }\n\n    if (startingMedia.containsVideo && !newSegmentMedia.containsVideo) {\n      return 'Only audio found in segment when we expected video.' + ' We can\\'t switch to audio only from a stream that had video.' + ' To get rid of this message, please add codec information to the manifest.';\n    }\n\n    if (!startingMedia.containsVideo && newSegmentMedia.containsVideo) {\n      return 'Video found in segment when we expected only audio.' + ' We can\\'t switch to a stream with video from an audio only stream.' + ' To get rid of this message, please add codec information to the manifest.';\n    }\n\n    return null;\n  };\n  /**\n   * Calculates a time value that is safe to remove from the back buffer without interupting\n   * playback.\n   *\n   * @param {TimeRange} seekable\n   *        The current seekable range\n   * @param {Number} currentTime\n   *        The current time of the player\n   * @param {Number} targetDuration\n   *        The target duration of the current playlist\n   * @return {Number}\n   *         Time that is safe to remove from the back buffer without interupting playback\n   */\n\n\n  var safeBackBufferTrimTime = function safeBackBufferTrimTime(seekable$$1, currentTime, targetDuration) {\n    // 30 seconds before the playhead provides a safe default for trimming.\n    //\n    // Choosing a reasonable default is particularly important for high bitrate content and\n    // VOD videos/live streams with large windows, as the buffer may end up overfilled and\n    // throw an APPEND_BUFFER_ERR.\n    var trimTime = currentTime - 30;\n\n    if (seekable$$1.length) {\n      // Some live playlists may have a shorter window of content than the full allowed back\n      // buffer. For these playlists, don't save content that's no longer within the window.\n      trimTime = Math.max(trimTime, seekable$$1.start(0));\n    } // Don't remove within target duration of the current time to avoid the possibility of\n    // removing the GOP currently being played, as removing it can cause playback stalls.\n\n\n    var maxTrimTime = currentTime - targetDuration;\n    return Math.min(maxTrimTime, trimTime);\n  };\n\n  var segmentInfoString = function segmentInfoString(segmentInfo) {\n    var _segmentInfo$segment = segmentInfo.segment,\n        start = _segmentInfo$segment.start,\n        end = _segmentInfo$segment.end,\n        _segmentInfo$playlist = segmentInfo.playlist,\n        seq = _segmentInfo$playlist.mediaSequence,\n        id = _segmentInfo$playlist.id,\n        _segmentInfo$playlist2 = _segmentInfo$playlist.segments,\n        segments = _segmentInfo$playlist2 === undefined ? [] : _segmentInfo$playlist2,\n        index = segmentInfo.mediaIndex,\n        timeline = segmentInfo.timeline;\n    return ['appending [' + index + '] of [' + seq + ', ' + (seq + segments.length) + '] from playlist [' + id + ']', '[' + start + ' => ' + end + '] in timeline [' + timeline + ']'].join(' ');\n  };\n  /**\n   * An object that manages segment loading and appending.\n   *\n   * @class SegmentLoader\n   * @param {Object} options required and optional options\n   * @extends videojs.EventTarget\n   */\n\n\n  var SegmentLoader = function (_videojs$EventTarget) {\n    inherits$2(SegmentLoader, _videojs$EventTarget);\n\n    function SegmentLoader(settings) {\n      classCallCheck$1(this, SegmentLoader); // check pre-conditions\n\n      var _this = possibleConstructorReturn$1(this, (SegmentLoader.__proto__ || Object.getPrototypeOf(SegmentLoader)).call(this));\n\n      if (!settings) {\n        throw new TypeError('Initialization settings are required');\n      }\n\n      if (typeof settings.currentTime !== 'function') {\n        throw new TypeError('No currentTime getter specified');\n      }\n\n      if (!settings.mediaSource) {\n        throw new TypeError('No MediaSource specified');\n      } // public properties\n\n\n      _this.bandwidth = settings.bandwidth;\n      _this.throughput = {\n        rate: 0,\n        count: 0\n      };\n      _this.roundTrip = NaN;\n\n      _this.resetStats_();\n\n      _this.mediaIndex = null; // private settings\n\n      _this.hasPlayed_ = settings.hasPlayed;\n      _this.currentTime_ = settings.currentTime;\n      _this.seekable_ = settings.seekable;\n      _this.seeking_ = settings.seeking;\n      _this.duration_ = settings.duration;\n      _this.mediaSource_ = settings.mediaSource;\n      _this.hls_ = settings.hls;\n      _this.loaderType_ = settings.loaderType;\n      _this.startingMedia_ = void 0;\n      _this.segmentMetadataTrack_ = settings.segmentMetadataTrack;\n      _this.goalBufferLength_ = settings.goalBufferLength;\n      _this.sourceType_ = settings.sourceType;\n      _this.inbandTextTracks_ = settings.inbandTextTracks;\n      _this.state_ = 'INIT'; // private instance variables\n\n      _this.checkBufferTimeout_ = null;\n      _this.error_ = void 0;\n      _this.currentTimeline_ = -1;\n      _this.pendingSegment_ = null;\n      _this.mimeType_ = null;\n      _this.sourceUpdater_ = null;\n      _this.xhrOptions_ = null; // Fragmented mp4 playback\n\n      _this.activeInitSegmentId_ = null;\n      _this.initSegments_ = {}; // HLSe playback\n\n      _this.cacheEncryptionKeys_ = settings.cacheEncryptionKeys;\n      _this.keyCache_ = {}; // Fmp4 CaptionParser\n\n      if (_this.loaderType_ === 'main') {\n        _this.captionParser_ = new captionParser();\n      } else {\n        _this.captionParser_ = null;\n      }\n\n      _this.decrypter_ = settings.decrypter; // Manages the tracking and generation of sync-points, mappings\n      // between a time in the display time and a segment index within\n      // a playlist\n\n      _this.syncController_ = settings.syncController;\n      _this.syncPoint_ = {\n        segmentIndex: 0,\n        time: 0\n      };\n\n      _this.triggerSyncInfoUpdate_ = function () {\n        return _this.trigger('syncinfoupdate');\n      };\n\n      _this.syncController_.on('syncinfoupdate', _this.triggerSyncInfoUpdate_);\n\n      _this.mediaSource_.addEventListener('sourceopen', function () {\n        return _this.ended_ = false;\n      }); // ...for determining the fetch location\n\n\n      _this.fetchAtBuffer_ = false;\n      _this.logger_ = logger('SegmentLoader[' + _this.loaderType_ + ']');\n      Object.defineProperty(_this, 'state', {\n        get: function get$$1() {\n          return this.state_;\n        },\n        set: function set$$1(newState) {\n          if (newState !== this.state_) {\n            this.logger_(this.state_ + ' -> ' + newState);\n            this.state_ = newState;\n          }\n        }\n      });\n      return _this;\n    }\n    /**\n     * reset all of our media stats\n     *\n     * @private\n     */\n\n\n    createClass$1(SegmentLoader, [{\n      key: 'resetStats_',\n      value: function resetStats_() {\n        this.mediaBytesTransferred = 0;\n        this.mediaRequests = 0;\n        this.mediaRequestsAborted = 0;\n        this.mediaRequestsTimedout = 0;\n        this.mediaRequestsErrored = 0;\n        this.mediaTransferDuration = 0;\n        this.mediaSecondsLoaded = 0;\n      }\n      /**\n       * dispose of the SegmentLoader and reset to the default state\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.state = 'DISPOSED';\n        this.pause();\n        this.abort_();\n\n        if (this.sourceUpdater_) {\n          this.sourceUpdater_.dispose();\n        }\n\n        this.resetStats_();\n\n        if (this.captionParser_) {\n          this.captionParser_.reset();\n        }\n\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        if (this.syncController_ && this.triggerSyncInfoUpdate_) {\n          this.syncController_.off('syncinfoupdate', this.triggerSyncInfoUpdate_);\n        }\n\n        this.off();\n      }\n      /**\n       * abort anything that is currently doing on with the SegmentLoader\n       * and reset to a default state\n       */\n\n    }, {\n      key: 'abort',\n      value: function abort() {\n        if (this.state !== 'WAITING') {\n          if (this.pendingSegment_) {\n            this.pendingSegment_ = null;\n          }\n\n          return;\n        }\n\n        this.abort_(); // We aborted the requests we were waiting on, so reset the loader's state to READY\n        // since we are no longer \"waiting\" on any requests. XHR callback is not always run\n        // when the request is aborted. This will prevent the loader from being stuck in the\n        // WAITING state indefinitely.\n\n        this.state = 'READY'; // don't wait for buffer check timeouts to begin fetching the\n        // next segment\n\n        if (!this.paused()) {\n          this.monitorBuffer_();\n        }\n      }\n      /**\n       * abort all pending xhr requests and null any pending segements\n       *\n       * @private\n       */\n\n    }, {\n      key: 'abort_',\n      value: function abort_() {\n        if (this.pendingSegment_) {\n          this.pendingSegment_.abortRequests();\n        } // clear out the segment being processed\n\n\n        this.pendingSegment_ = null;\n      }\n      /**\n       * set an error on the segment loader and null out any pending segements\n       *\n       * @param {Error} error the error to set on the SegmentLoader\n       * @return {Error} the error that was set or that is currently set\n       */\n\n    }, {\n      key: 'error',\n      value: function error(_error) {\n        if (typeof _error !== 'undefined') {\n          this.error_ = _error;\n        }\n\n        this.pendingSegment_ = null;\n        return this.error_;\n      }\n    }, {\n      key: 'endOfStream',\n      value: function endOfStream() {\n        this.ended_ = true;\n        this.pause();\n        this.trigger('ended');\n      }\n      /**\n       * Indicates which time ranges are buffered\n       *\n       * @return {TimeRange}\n       *         TimeRange object representing the current buffered ranges\n       */\n\n    }, {\n      key: 'buffered_',\n      value: function buffered_() {\n        if (!this.sourceUpdater_) {\n          return videojs$1.createTimeRanges();\n        }\n\n        return this.sourceUpdater_.buffered();\n      }\n      /**\n       * Gets and sets init segment for the provided map\n       *\n       * @param {Object} map\n       *        The map object representing the init segment to get or set\n       * @param {Boolean=} set\n       *        If true, the init segment for the provided map should be saved\n       * @return {Object}\n       *         map object for desired init segment\n       */\n\n    }, {\n      key: 'initSegment',\n      value: function initSegment(map) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!map) {\n          return null;\n        }\n\n        var id = initSegmentId(map);\n        var storedMap = this.initSegments_[id];\n\n        if (set$$1 && !storedMap && map.bytes) {\n          this.initSegments_[id] = storedMap = {\n            resolvedUri: map.resolvedUri,\n            byterange: map.byterange,\n            bytes: map.bytes,\n            timescales: map.timescales,\n            videoTrackIds: map.videoTrackIds\n          };\n        }\n\n        return storedMap || map;\n      }\n      /**\n       * Gets and sets key for the provided key\n       *\n       * @param {Object} key\n       *        The key object representing the key to get or set\n       * @param {Boolean=} set\n       *        If true, the key for the provided key should be saved\n       * @return {Object}\n       *         Key object for desired key\n       */\n\n    }, {\n      key: 'segmentKey',\n      value: function segmentKey(key) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!key) {\n          return null;\n        }\n\n        var id = segmentKeyId(key);\n        var storedKey = this.keyCache_[id]; // TODO: We should use the HTTP Expires header to invalidate our cache per\n        // https://tools.ietf.org/html/draft-pantos-http-live-streaming-23#section-6.2.3\n\n        if (this.cacheEncryptionKeys_ && set$$1 && !storedKey && key.bytes) {\n          this.keyCache_[id] = storedKey = {\n            resolvedUri: key.resolvedUri,\n            bytes: key.bytes\n          };\n        }\n\n        var result = {\n          resolvedUri: (storedKey || key).resolvedUri\n        };\n\n        if (storedKey) {\n          result.bytes = storedKey.bytes;\n        }\n\n        return result;\n      }\n      /**\n       * Returns true if all configuration required for loading is present, otherwise false.\n       *\n       * @return {Boolean} True if the all configuration is ready for loading\n       * @private\n       */\n\n    }, {\n      key: 'couldBeginLoading_',\n      value: function couldBeginLoading_() {\n        return this.playlist_ && ( // the source updater is created when init_ is called, so either having a\n        // source updater or being in the INIT state with a mimeType is enough\n        // to say we have all the needed configuration to start loading.\n        this.sourceUpdater_ || this.mimeType_ && this.state === 'INIT') && !this.paused();\n      }\n      /**\n       * load a playlist and start to fill the buffer\n       */\n\n    }, {\n      key: 'load',\n      value: function load() {\n        // un-pause\n        this.monitorBuffer_(); // if we don't have a playlist yet, keep waiting for one to be\n        // specified\n\n        if (!this.playlist_) {\n          return;\n        } // not sure if this is the best place for this\n\n\n        this.syncController_.setDateTimeMapping(this.playlist_); // if all the configuration is ready, initialize and begin loading\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          return this.init_();\n        } // if we're in the middle of processing a segment already, don't\n        // kick off an additional segment request\n\n\n        if (!this.couldBeginLoading_() || this.state !== 'READY' && this.state !== 'INIT') {\n          return;\n        }\n\n        this.state = 'READY';\n      }\n      /**\n       * Once all the starting parameters have been specified, begin\n       * operation. This method should only be invoked from the INIT\n       * state.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'init_',\n      value: function init_() {\n        this.state = 'READY';\n        this.sourceUpdater_ = new SourceUpdater(this.mediaSource_, this.mimeType_, this.loaderType_, this.sourceBufferEmitter_);\n        this.resetEverything();\n        return this.monitorBuffer_();\n      }\n      /**\n       * set a playlist on the segment loader\n       *\n       * @param {PlaylistLoader} media the playlist to set on the segment loader\n       */\n\n    }, {\n      key: 'playlist',\n      value: function playlist(newPlaylist) {\n        var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n        if (!newPlaylist) {\n          return;\n        }\n\n        var oldPlaylist = this.playlist_;\n        var segmentInfo = this.pendingSegment_;\n        this.playlist_ = newPlaylist;\n        this.xhrOptions_ = options; // when we haven't started playing yet, the start of a live playlist\n        // is always our zero-time so force a sync update each time the playlist\n        // is refreshed from the server\n        //\n        // Use the INIT state to determine if playback has started, as the playlist sync info\n        // should be fixed once requests begin (as sync points are generated based on sync\n        // info), but not before then.\n\n        if (this.state === 'INIT') {\n          newPlaylist.syncInfo = {\n            mediaSequence: newPlaylist.mediaSequence,\n            time: 0\n          };\n        }\n\n        var oldId = null;\n\n        if (oldPlaylist) {\n          if (oldPlaylist.id) {\n            oldId = oldPlaylist.id;\n          } else if (oldPlaylist.uri) {\n            oldId = oldPlaylist.uri;\n          }\n        }\n\n        this.logger_('playlist update [' + oldId + ' => ' + (newPlaylist.id || newPlaylist.uri) + ']'); // in VOD, this is always a rendition switch (or we updated our syncInfo above)\n        // in LIVE, we always want to update with new playlists (including refreshes)\n\n        this.trigger('syncinfoupdate'); // if we were unpaused but waiting for a playlist, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          return this.init_();\n        }\n\n        if (!oldPlaylist || oldPlaylist.uri !== newPlaylist.uri) {\n          if (this.mediaIndex !== null) {\n            // we must \"resync\" the segment loader when we switch renditions and\n            // the segment loader is already synced to the previous rendition\n            this.resyncLoader();\n          } // the rest of this function depends on `oldPlaylist` being defined\n\n\n          return;\n        } // we reloaded the same playlist so we are in a live scenario\n        // and we will likely need to adjust the mediaIndex\n\n\n        var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence;\n        this.logger_('live window shift [' + mediaSequenceDiff + ']'); // update the mediaIndex on the SegmentLoader\n        // this is important because we can abort a request and this value must be\n        // equal to the last appended mediaIndex\n\n        if (this.mediaIndex !== null) {\n          this.mediaIndex -= mediaSequenceDiff;\n        } // update the mediaIndex on the SegmentInfo object\n        // this is important because we will update this.mediaIndex with this value\n        // in `handleUpdateEnd_` after the segment has been successfully appended\n\n\n        if (segmentInfo) {\n          segmentInfo.mediaIndex -= mediaSequenceDiff; // we need to update the referenced segment so that timing information is\n          // saved for the new playlist's segment, however, if the segment fell off the\n          // playlist, we can leave the old reference and just lose the timing info\n\n          if (segmentInfo.mediaIndex >= 0) {\n            segmentInfo.segment = newPlaylist.segments[segmentInfo.mediaIndex];\n          }\n        }\n\n        this.syncController_.saveExpiredSegmentInfo(oldPlaylist, newPlaylist);\n      }\n      /**\n       * Prevent the loader from fetching additional segments. If there\n       * is a segment request outstanding, it will finish processing\n       * before the loader halts. A segment loader can be unpaused by\n       * calling load().\n       */\n\n    }, {\n      key: 'pause',\n      value: function pause() {\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n          this.checkBufferTimeout_ = null;\n        }\n      }\n      /**\n       * Returns whether the segment loader is fetching additional\n       * segments when given the opportunity. This property can be\n       * modified through calls to pause() and load().\n       */\n\n    }, {\n      key: 'paused',\n      value: function paused() {\n        return this.checkBufferTimeout_ === null;\n      }\n      /**\n       * create/set the following mimetype on the SourceBuffer through a\n       * SourceUpdater\n       *\n       * @param {String} mimeType the mime type string to use\n       * @param {Object} sourceBufferEmitter an event emitter that fires when a source buffer\n       * is added to the media source\n       */\n\n    }, {\n      key: 'mimeType',\n      value: function mimeType(_mimeType, sourceBufferEmitter) {\n        if (this.mimeType_) {\n          return;\n        }\n\n        this.mimeType_ = _mimeType;\n        this.sourceBufferEmitter_ = sourceBufferEmitter; // if we were unpaused but waiting for a sourceUpdater, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          this.init_();\n        }\n      }\n      /**\n       * Delete all the buffered data and reset the SegmentLoader\n       * @param {Function} [done] an optional callback to be executed when the remove\n       * operation is complete\n       */\n\n    }, {\n      key: 'resetEverything',\n      value: function resetEverything(done) {\n        this.ended_ = false;\n        this.resetLoader(); // remove from 0, the earliest point, to Infinity, to signify removal of everything.\n        // VTT Segment Loader doesn't need to do anything but in the regular SegmentLoader,\n        // we then clamp the value to duration if necessary.\n\n        this.remove(0, Infinity, done); // clears fmp4 captions\n\n        if (this.captionParser_) {\n          this.captionParser_.clearAllCaptions();\n        }\n\n        this.trigger('reseteverything');\n      }\n      /**\n       * Force the SegmentLoader to resync and start loading around the currentTime instead\n       * of starting at the end of the buffer\n       *\n       * Useful for fast quality changes\n       */\n\n    }, {\n      key: 'resetLoader',\n      value: function resetLoader() {\n        this.fetchAtBuffer_ = false;\n        this.resyncLoader();\n      }\n      /**\n       * Force the SegmentLoader to restart synchronization and make a conservative guess\n       * before returning to the simple walk-forward method\n       */\n\n    }, {\n      key: 'resyncLoader',\n      value: function resyncLoader() {\n        this.mediaIndex = null;\n        this.syncPoint_ = null;\n        this.abort();\n      }\n      /**\n       * Remove any data in the source buffer between start and end times\n       * @param {Number} start - the start time of the region to remove from the buffer\n       * @param {Number} end - the end time of the region to remove from the buffer\n       * @param {Function} [done] - an optional callback to be executed when the remove\n       * operation is complete\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end, done) {\n        // clamp end to duration if we need to remove everything.\n        // This is due to a browser bug that causes issues if we remove to Infinity.\n        // videojs/videojs-contrib-hls#1225\n        if (end === Infinity) {\n          end = this.duration_();\n        }\n\n        if (this.sourceUpdater_) {\n          this.sourceUpdater_.remove(start, end, done);\n        }\n\n        removeCuesFromTrack(start, end, this.segmentMetadataTrack_);\n\n        if (this.inbandTextTracks_) {\n          for (var id in this.inbandTextTracks_) {\n            removeCuesFromTrack(start, end, this.inbandTextTracks_[id]);\n          }\n        }\n      }\n      /**\n       * (re-)schedule monitorBufferTick_ to run as soon as possible\n       *\n       * @private\n       */\n\n    }, {\n      key: 'monitorBuffer_',\n      value: function monitorBuffer_() {\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), 1);\n      }\n      /**\n       * As long as the SegmentLoader is in the READY state, periodically\n       * invoke fillBuffer_().\n       *\n       * @private\n       */\n\n    }, {\n      key: 'monitorBufferTick_',\n      value: function monitorBufferTick_() {\n        if (this.state === 'READY') {\n          this.fillBuffer_();\n        }\n\n        if (this.checkBufferTimeout_) {\n          window$3.clearTimeout(this.checkBufferTimeout_);\n        }\n\n        this.checkBufferTimeout_ = window$3.setTimeout(this.monitorBufferTick_.bind(this), CHECK_BUFFER_DELAY);\n      }\n      /**\n       * fill the buffer with segements unless the sourceBuffers are\n       * currently updating\n       *\n       * Note: this function should only ever be called by monitorBuffer_\n       * and never directly\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fillBuffer_',\n      value: function fillBuffer_() {\n        if (this.sourceUpdater_.updating()) {\n          return;\n        }\n\n        if (!this.syncPoint_) {\n          this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());\n        } // see if we need to begin loading immediately\n\n\n        var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);\n\n        if (!segmentInfo) {\n          return;\n        }\n\n        if (this.isEndOfStream_(segmentInfo.mediaIndex)) {\n          this.endOfStream();\n          return;\n        }\n\n        if (segmentInfo.mediaIndex === this.playlist_.segments.length - 1 && this.mediaSource_.readyState === 'ended' && !this.seeking_()) {\n          return;\n        } // We will need to change timestampOffset of the sourceBuffer if:\n        // - The segment.timeline !== this.currentTimeline\n        //   (we are crossing a discontinuity somehow)\n        // - The \"timestampOffset\" for the start of this segment is less than\n        //   the currently set timestampOffset\n        // Also, clear captions if we are crossing a discontinuity boundary\n        // Previously, we changed the timestampOffset if the start of this segment\n        // is less than the currently set timestampOffset but this isn't wanted\n        // as it can produce bad behavior, especially around long running\n        // live streams\n\n\n        if (segmentInfo.timeline !== this.currentTimeline_) {\n          this.syncController_.reset();\n          segmentInfo.timestampOffset = segmentInfo.startOfSegment;\n\n          if (this.captionParser_) {\n            this.captionParser_.clearAllCaptions();\n          }\n        }\n\n        this.loadSegment_(segmentInfo);\n      }\n      /**\n       * Determines if this segment loader is at the end of it's stream.\n       *\n       * @param {Number} mediaIndex the index of segment we last appended\n       * @param {Object} [playlist=this.playlist_] a media playlist object\n       * @returns {Boolean} true if at end of stream, false otherwise.\n       */\n\n    }, {\n      key: 'isEndOfStream_',\n      value: function isEndOfStream_(mediaIndex) {\n        var playlist = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.playlist_;\n        return detectEndOfStream(playlist, this.mediaSource_, mediaIndex) && !this.sourceUpdater_.updating();\n      }\n      /**\n       * Determines what segment request should be made, given current playback\n       * state.\n       *\n       * @param {TimeRanges} buffered - the state of the buffer\n       * @param {Object} playlist - the playlist object to fetch segments from\n       * @param {Number} mediaIndex - the previous mediaIndex fetched or null\n       * @param {Boolean} hasPlayed - a flag indicating whether we have played or not\n       * @param {Number} currentTime - the playback position in seconds\n       * @param {Object} syncPoint - a segment info object that describes the\n       * @returns {Object} a segment request object that describes the segment to load\n       */\n\n    }, {\n      key: 'checkBuffer_',\n      value: function checkBuffer_(buffered, playlist, mediaIndex, hasPlayed, currentTime, syncPoint) {\n        var lastBufferedEnd = 0;\n        var startOfSegment = void 0;\n\n        if (buffered.length) {\n          lastBufferedEnd = buffered.end(buffered.length - 1);\n        }\n\n        var bufferedTime = Math.max(0, lastBufferedEnd - currentTime);\n\n        if (!playlist.segments.length) {\n          return null;\n        } // if there is plenty of content buffered, and the video has\n        // been played before relax for awhile\n\n\n        if (bufferedTime >= this.goalBufferLength_()) {\n          return null;\n        } // if the video has not yet played once, and we already have\n        // one segment downloaded do nothing\n\n\n        if (!hasPlayed && bufferedTime >= 1) {\n          return null;\n        } // When the syncPoint is null, there is no way of determining a good\n        // conservative segment index to fetch from\n        // The best thing to do here is to get the kind of sync-point data by\n        // making a request\n\n\n        if (syncPoint === null) {\n          mediaIndex = this.getSyncSegmentCandidate_(playlist);\n          return this.generateSegmentInfo_(playlist, mediaIndex, null, true);\n        } // Under normal playback conditions fetching is a simple walk forward\n\n\n        if (mediaIndex !== null) {\n          var segment = playlist.segments[mediaIndex];\n          startOfSegment = lastBufferedEnd;\n          return this.generateSegmentInfo_(playlist, mediaIndex + 1, startOfSegment, false);\n        } // There is a sync-point but the lack of a mediaIndex indicates that\n        // we need to make a good conservative guess about which segment to\n        // fetch\n\n\n        if (this.fetchAtBuffer_) {\n          // Find the segment containing the end of the buffer\n          var mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, lastBufferedEnd, syncPoint.segmentIndex, syncPoint.time);\n          mediaIndex = mediaSourceInfo.mediaIndex;\n          startOfSegment = mediaSourceInfo.startTime;\n        } else {\n          // Find the segment containing currentTime\n          var _mediaSourceInfo = Playlist.getMediaInfoForTime(playlist, currentTime, syncPoint.segmentIndex, syncPoint.time);\n\n          mediaIndex = _mediaSourceInfo.mediaIndex;\n          startOfSegment = _mediaSourceInfo.startTime;\n        }\n\n        return this.generateSegmentInfo_(playlist, mediaIndex, startOfSegment, false);\n      }\n      /**\n       * The segment loader has no recourse except to fetch a segment in the\n       * current playlist and use the internal timestamps in that segment to\n       * generate a syncPoint. This function returns a good candidate index\n       * for that process.\n       *\n       * @param {Object} playlist - the playlist object to look for a\n       * @returns {Number} An index of a segment from the playlist to load\n       */\n\n    }, {\n      key: 'getSyncSegmentCandidate_',\n      value: function getSyncSegmentCandidate_(playlist) {\n        var _this2 = this;\n\n        if (this.currentTimeline_ === -1) {\n          return 0;\n        }\n\n        var segmentIndexArray = playlist.segments.map(function (s, i) {\n          return {\n            timeline: s.timeline,\n            segmentIndex: i\n          };\n        }).filter(function (s) {\n          return s.timeline === _this2.currentTimeline_;\n        });\n\n        if (segmentIndexArray.length) {\n          return segmentIndexArray[Math.min(segmentIndexArray.length - 1, 1)].segmentIndex;\n        }\n\n        return Math.max(playlist.segments.length - 1, 0);\n      }\n    }, {\n      key: 'generateSegmentInfo_',\n      value: function generateSegmentInfo_(playlist, mediaIndex, startOfSegment, isSyncRequest) {\n        if (mediaIndex < 0 || mediaIndex >= playlist.segments.length) {\n          return null;\n        }\n\n        var segment = playlist.segments[mediaIndex];\n        return {\n          requestId: 'segment-loader-' + Math.random(),\n          // resolve the segment URL relative to the playlist\n          uri: segment.resolvedUri,\n          // the segment's mediaIndex at the time it was requested\n          mediaIndex: mediaIndex,\n          // whether or not to update the SegmentLoader's state with this\n          // segment's mediaIndex\n          isSyncRequest: isSyncRequest,\n          startOfSegment: startOfSegment,\n          // the segment's playlist\n          playlist: playlist,\n          // unencrypted bytes of the segment\n          bytes: null,\n          // when a key is defined for this segment, the encrypted bytes\n          encryptedBytes: null,\n          // The target timestampOffset for this segment when we append it\n          // to the source buffer\n          timestampOffset: null,\n          // The timeline that the segment is in\n          timeline: segment.timeline,\n          // The expected duration of the segment in seconds\n          duration: segment.duration,\n          // retain the segment in case the playlist updates while doing an async process\n          segment: segment\n        };\n      }\n      /**\n       * Determines if the network has enough bandwidth to complete the current segment\n       * request in a timely manner. If not, the request will be aborted early and bandwidth\n       * updated to trigger a playlist switch.\n       *\n       * @param {Object} stats\n       *        Object containing stats about the request timing and size\n       * @return {Boolean} True if the request was aborted, false otherwise\n       * @private\n       */\n\n    }, {\n      key: 'abortRequestEarly_',\n      value: function abortRequestEarly_(stats) {\n        if (this.hls_.tech_.paused() || // Don't abort if the current playlist is on the lowestEnabledRendition\n        // TODO: Replace using timeout with a boolean indicating whether this playlist is\n        //       the lowestEnabledRendition.\n        !this.xhrOptions_.timeout || // Don't abort if we have no bandwidth information to estimate segment sizes\n        !this.playlist_.attributes.BANDWIDTH) {\n          return false;\n        } // Wait at least 1 second since the first byte of data has been received before\n        // using the calculated bandwidth from the progress event to allow the bitrate\n        // to stabilize\n\n\n        if (Date.now() - (stats.firstBytesReceivedAt || Date.now()) < 1000) {\n          return false;\n        }\n\n        var currentTime = this.currentTime_();\n        var measuredBandwidth = stats.bandwidth;\n        var segmentDuration = this.pendingSegment_.duration;\n        var requestTimeRemaining = Playlist.estimateSegmentRequestTime(segmentDuration, measuredBandwidth, this.playlist_, stats.bytesReceived); // Subtract 1 from the timeUntilRebuffer so we still consider an early abort\n        // if we are only left with less than 1 second when the request completes.\n        // A negative timeUntilRebuffering indicates we are already rebuffering\n\n        var timeUntilRebuffer$$1 = timeUntilRebuffer(this.buffered_(), currentTime, this.hls_.tech_.playbackRate()) - 1; // Only consider aborting early if the estimated time to finish the download\n        // is larger than the estimated time until the player runs out of forward buffer\n\n        if (requestTimeRemaining <= timeUntilRebuffer$$1) {\n          return false;\n        }\n\n        var switchCandidate = minRebufferMaxBandwidthSelector({\n          master: this.hls_.playlists.master,\n          currentTime: currentTime,\n          bandwidth: measuredBandwidth,\n          duration: this.duration_(),\n          segmentDuration: segmentDuration,\n          timeUntilRebuffer: timeUntilRebuffer$$1,\n          currentTimeline: this.currentTimeline_,\n          syncController: this.syncController_\n        });\n\n        if (!switchCandidate) {\n          return;\n        }\n\n        var rebufferingImpact = requestTimeRemaining - timeUntilRebuffer$$1;\n        var timeSavedBySwitching = rebufferingImpact - switchCandidate.rebufferingImpact;\n        var minimumTimeSaving = 0.5; // If we are already rebuffering, increase the amount of variance we add to the\n        // potential round trip time of the new request so that we are not too aggressive\n        // with switching to a playlist that might save us a fraction of a second.\n\n        if (timeUntilRebuffer$$1 <= TIME_FUDGE_FACTOR) {\n          minimumTimeSaving = 1;\n        }\n\n        if (!switchCandidate.playlist || switchCandidate.playlist.uri === this.playlist_.uri || timeSavedBySwitching < minimumTimeSaving) {\n          return false;\n        } // set the bandwidth to that of the desired playlist being sure to scale by\n        // BANDWIDTH_VARIANCE and add one so the playlist selector does not exclude it\n        // don't trigger a bandwidthupdate as the bandwidth is artifial\n\n\n        this.bandwidth = switchCandidate.playlist.attributes.BANDWIDTH * Config.BANDWIDTH_VARIANCE + 1;\n        this.abort();\n        this.trigger('earlyabort');\n        return true;\n      }\n      /**\n       * XHR `progress` event handler\n       *\n       * @param {Event}\n       *        The XHR `progress` event\n       * @param {Object} simpleSegment\n       *        A simplified segment object copy\n       * @private\n       */\n\n    }, {\n      key: 'handleProgress_',\n      value: function handleProgress_(event, simpleSegment) {\n        if (!this.pendingSegment_ || simpleSegment.requestId !== this.pendingSegment_.requestId || this.abortRequestEarly_(simpleSegment.stats)) {\n          return;\n        }\n\n        this.trigger('progress');\n      }\n      /**\n       * load a specific segment from a request into the buffer\n       *\n       * @private\n       */\n\n    }, {\n      key: 'loadSegment_',\n      value: function loadSegment_(segmentInfo) {\n        this.state = 'WAITING';\n        this.pendingSegment_ = segmentInfo;\n        this.trimBackBuffer_(segmentInfo);\n        segmentInfo.abortRequests = mediaSegmentRequest(this.hls_.xhr, this.xhrOptions_, this.decrypter_, this.captionParser_, this.createSimplifiedSegmentObj_(segmentInfo), // progress callback\n        this.handleProgress_.bind(this), this.segmentRequestFinished_.bind(this));\n      }\n      /**\n       * trim the back buffer so that we don't have too much data\n       * in the source buffer\n       *\n       * @private\n       *\n       * @param {Object} segmentInfo - the current segment\n       */\n\n    }, {\n      key: 'trimBackBuffer_',\n      value: function trimBackBuffer_(segmentInfo) {\n        var removeToTime = safeBackBufferTrimTime(this.seekable_(), this.currentTime_(), this.playlist_.targetDuration || 10); // Chrome has a hard limit of 150MB of\n        // buffer and a very conservative \"garbage collector\"\n        // We manually clear out the old buffer to ensure\n        // we don't trigger the QuotaExceeded error\n        // on the source buffer during subsequent appends\n\n        if (removeToTime > 0) {\n          this.remove(0, removeToTime);\n        }\n      }\n      /**\n       * created a simplified copy of the segment object with just the\n       * information necessary to perform the XHR and decryption\n       *\n       * @private\n       *\n       * @param {Object} segmentInfo - the current segment\n       * @returns {Object} a simplified segment object copy\n       */\n\n    }, {\n      key: 'createSimplifiedSegmentObj_',\n      value: function createSimplifiedSegmentObj_(segmentInfo) {\n        var segment = segmentInfo.segment;\n        var simpleSegment = {\n          resolvedUri: segment.resolvedUri,\n          byterange: segment.byterange,\n          requestId: segmentInfo.requestId\n        };\n\n        if (segment.key) {\n          // if the media sequence is greater than 2^32, the IV will be incorrect\n          // assuming 10s segments, that would be about 1300 years\n          var iv = segment.key.iv || new Uint32Array([0, 0, 0, segmentInfo.mediaIndex + segmentInfo.playlist.mediaSequence]);\n          simpleSegment.key = this.segmentKey(segment.key);\n          simpleSegment.key.iv = iv;\n        }\n\n        if (segment.map) {\n          simpleSegment.map = this.initSegment(segment.map);\n        }\n\n        return simpleSegment;\n      }\n      /**\n       * Handle the callback from the segmentRequest function and set the\n       * associated SegmentLoader state and errors if necessary\n       *\n       * @private\n       */\n\n    }, {\n      key: 'segmentRequestFinished_',\n      value: function segmentRequestFinished_(error, simpleSegment) {\n        // every request counts as a media request even if it has been aborted\n        // or canceled due to a timeout\n        this.mediaRequests += 1;\n\n        if (simpleSegment.stats) {\n          this.mediaBytesTransferred += simpleSegment.stats.bytesReceived;\n          this.mediaTransferDuration += simpleSegment.stats.roundTripTime;\n        } // The request was aborted and the SegmentLoader has already been reset\n\n\n        if (!this.pendingSegment_) {\n          this.mediaRequestsAborted += 1;\n          return;\n        } // the request was aborted and the SegmentLoader has already started\n        // another request. this can happen when the timeout for an aborted\n        // request triggers due to a limitation in the XHR library\n        // do not count this as any sort of request or we risk double-counting\n\n\n        if (simpleSegment.requestId !== this.pendingSegment_.requestId) {\n          return;\n        } // an error occurred from the active pendingSegment_ so reset everything\n\n\n        if (error) {\n          this.pendingSegment_ = null;\n          this.state = 'READY'; // the requests were aborted just record the aborted stat and exit\n          // this is not a true error condition and nothing corrective needs\n          // to be done\n\n          if (error.code === REQUEST_ERRORS.ABORTED) {\n            this.mediaRequestsAborted += 1;\n            return;\n          }\n\n          this.pause(); // the error is really just that at least one of the requests timed-out\n          // set the bandwidth to a very low value and trigger an ABR switch to\n          // take emergency action\n\n          if (error.code === REQUEST_ERRORS.TIMEOUT) {\n            this.mediaRequestsTimedout += 1;\n            this.bandwidth = 1;\n            this.roundTrip = NaN;\n            this.trigger('bandwidthupdate');\n            return;\n          } // if control-flow has arrived here, then the error is real\n          // emit an error event to blacklist the current playlist\n\n\n          this.mediaRequestsErrored += 1;\n          this.error(error);\n          this.trigger('error');\n          return;\n        } // the response was a success so set any bandwidth stats the request\n        // generated for ABR purposes\n\n\n        this.bandwidth = simpleSegment.stats.bandwidth;\n        this.roundTrip = simpleSegment.stats.roundTripTime; // if this request included an initialization segment, save that data\n        // to the initSegment cache\n\n        if (simpleSegment.map) {\n          simpleSegment.map = this.initSegment(simpleSegment.map, true);\n        } // if this request included a segment key, save that data in the cache\n\n\n        if (simpleSegment.key) {\n          this.segmentKey(simpleSegment.key, true);\n        }\n\n        this.processSegmentResponse_(simpleSegment);\n      }\n      /**\n       * Move any important data from the simplified segment object\n       * back to the real segment object for future phases\n       *\n       * @private\n       */\n\n    }, {\n      key: 'processSegmentResponse_',\n      value: function processSegmentResponse_(simpleSegment) {\n        var segmentInfo = this.pendingSegment_;\n        segmentInfo.bytes = simpleSegment.bytes;\n\n        if (simpleSegment.map) {\n          segmentInfo.segment.map.bytes = simpleSegment.map.bytes;\n        }\n\n        segmentInfo.endOfAllRequests = simpleSegment.endOfAllRequests; // This has fmp4 captions, add them to text tracks\n\n        if (simpleSegment.fmp4Captions) {\n          createCaptionsTrackIfNotExists(this.inbandTextTracks_, this.hls_.tech_, simpleSegment.captionStreams);\n          addCaptionData({\n            inbandTextTracks: this.inbandTextTracks_,\n            captionArray: simpleSegment.fmp4Captions,\n            // fmp4s will not have a timestamp offset\n            timestampOffset: 0\n          }); // Reset stored captions since we added parsed\n          // captions to a text track at this point\n\n          if (this.captionParser_) {\n            this.captionParser_.clearParsedCaptions();\n          }\n        }\n\n        this.handleSegment_();\n      }\n      /**\n       * append a decrypted segement to the SourceBuffer through a SourceUpdater\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSegment_',\n      value: function handleSegment_() {\n        var _this3 = this;\n\n        if (!this.pendingSegment_) {\n          this.state = 'READY';\n          return;\n        }\n\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment;\n        var timingInfo = this.syncController_.probeSegmentInfo(segmentInfo); // When we have our first timing info, determine what media types this loader is\n        // dealing with. Although we're maintaining extra state, it helps to preserve the\n        // separation of segment loader from the actual source buffers.\n\n        if (typeof this.startingMedia_ === 'undefined' && timingInfo && ( // Guard against cases where we're not getting timing info at all until we are\n        // certain that all streams will provide it.\n        timingInfo.containsAudio || timingInfo.containsVideo)) {\n          this.startingMedia_ = {\n            containsAudio: timingInfo.containsAudio,\n            containsVideo: timingInfo.containsVideo\n          };\n        }\n\n        var illegalMediaSwitchError = illegalMediaSwitch(this.loaderType_, this.startingMedia_, timingInfo);\n\n        if (illegalMediaSwitchError) {\n          this.error({\n            message: illegalMediaSwitchError,\n            blacklistDuration: Infinity\n          });\n          this.trigger('error');\n          return;\n        }\n\n        if (segmentInfo.isSyncRequest) {\n          this.trigger('syncinfoupdate');\n          this.pendingSegment_ = null;\n          this.state = 'READY';\n          return;\n        }\n\n        if (segmentInfo.timestampOffset !== null && segmentInfo.timestampOffset !== this.sourceUpdater_.timestampOffset()) {\n          // Subtract any difference between the PTS and DTS times of the first frame\n          // from the timeStampOffset (which currently equals the buffered.end) to prevent\n          // creating any gaps in the buffer\n          if (timingInfo && timingInfo.segmentTimestampInfo) {\n            var ptsStartTime = timingInfo.segmentTimestampInfo[0].ptsTime;\n            var dtsStartTime = timingInfo.segmentTimestampInfo[0].dtsTime;\n            segmentInfo.timestampOffset -= ptsStartTime - dtsStartTime;\n          }\n\n          this.sourceUpdater_.timestampOffset(segmentInfo.timestampOffset); // fired when a timestamp offset is set in HLS (can also identify discontinuities)\n\n          this.trigger('timestampoffset');\n        }\n\n        var timelineMapping = this.syncController_.mappingForTimeline(segmentInfo.timeline);\n\n        if (timelineMapping !== null) {\n          this.trigger({\n            type: 'segmenttimemapping',\n            mapping: timelineMapping\n          });\n        }\n\n        this.state = 'APPENDING'; // if the media initialization segment is changing, append it\n        // before the content segment\n\n        if (segment.map) {\n          var initId = initSegmentId(segment.map);\n\n          if (!this.activeInitSegmentId_ || this.activeInitSegmentId_ !== initId) {\n            var initSegment = this.initSegment(segment.map);\n            this.sourceUpdater_.appendBuffer({\n              bytes: initSegment.bytes\n            }, function () {\n              _this3.activeInitSegmentId_ = initId;\n            });\n          }\n        }\n\n        segmentInfo.byteLength = segmentInfo.bytes.byteLength;\n\n        if (typeof segment.start === 'number' && typeof segment.end === 'number') {\n          this.mediaSecondsLoaded += segment.end - segment.start;\n        } else {\n          this.mediaSecondsLoaded += segment.duration;\n        }\n\n        this.logger_(segmentInfoString(segmentInfo));\n        this.sourceUpdater_.appendBuffer({\n          bytes: segmentInfo.bytes,\n          videoSegmentTimingInfoCallback: this.handleVideoSegmentTimingInfo_.bind(this, segmentInfo.requestId)\n        }, this.handleUpdateEnd_.bind(this));\n      }\n    }, {\n      key: 'handleVideoSegmentTimingInfo_',\n      value: function handleVideoSegmentTimingInfo_(requestId, event) {\n        if (!this.pendingSegment_ || requestId !== this.pendingSegment_.requestId) {\n          return;\n        }\n\n        var segment = this.pendingSegment_.segment;\n\n        if (!segment.videoTimingInfo) {\n          segment.videoTimingInfo = {};\n        }\n\n        segment.videoTimingInfo.transmuxerPrependedSeconds = event.videoSegmentTimingInfo.prependedContentDuration || 0;\n        segment.videoTimingInfo.transmuxedPresentationStart = event.videoSegmentTimingInfo.start.presentation;\n        segment.videoTimingInfo.transmuxedPresentationEnd = event.videoSegmentTimingInfo.end.presentation; // mainly used as a reference for debugging\n\n        segment.videoTimingInfo.baseMediaDecodeTime = event.videoSegmentTimingInfo.baseMediaDecodeTime;\n      }\n      /**\n       * callback to run when appendBuffer is finished. detects if we are\n       * in a good state to do things with the data we got, or if we need\n       * to wait for more\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleUpdateEnd_',\n      value: function handleUpdateEnd_() {\n        if (!this.pendingSegment_) {\n          this.state = 'READY';\n\n          if (!this.paused()) {\n            this.monitorBuffer_();\n          }\n\n          return;\n        }\n\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment;\n        var isWalkingForward = this.mediaIndex !== null;\n        this.pendingSegment_ = null;\n        this.recordThroughput_(segmentInfo);\n        this.addSegmentMetadataCue_(segmentInfo);\n        this.state = 'READY';\n        this.mediaIndex = segmentInfo.mediaIndex;\n        this.fetchAtBuffer_ = true;\n        this.currentTimeline_ = segmentInfo.timeline; // We must update the syncinfo to recalculate the seekable range before\n        // the following conditional otherwise it may consider this a bad \"guess\"\n        // and attempt to resync when the post-update seekable window and live\n        // point would mean that this was the perfect segment to fetch\n\n        this.trigger('syncinfoupdate'); // If we previously appended a segment that ends more than 3 targetDurations before\n        // the currentTime_ that means that our conservative guess was too conservative.\n        // In that case, reset the loader state so that we try to use any information gained\n        // from the previous request to create a new, more accurate, sync-point.\n\n        if (segment.end && this.currentTime_() - segment.end > segmentInfo.playlist.targetDuration * 3) {\n          this.resetEverything();\n          return;\n        } // Don't do a rendition switch unless we have enough time to get a sync segment\n        // and conservatively guess\n\n\n        if (isWalkingForward) {\n          this.trigger('bandwidthupdate');\n        }\n\n        this.trigger('progress'); // any time an update finishes and the last segment is in the\n        // buffer, end the stream. this ensures the \"ended\" event will\n        // fire if playback reaches that point.\n\n        if (this.isEndOfStream_(segmentInfo.mediaIndex + 1, segmentInfo.playlist)) {\n          this.endOfStream();\n        }\n\n        if (!this.paused()) {\n          this.monitorBuffer_();\n        }\n      }\n      /**\n       * Records the current throughput of the decrypt, transmux, and append\n       * portion of the semgment pipeline. `throughput.rate` is a the cumulative\n       * moving average of the throughput. `throughput.count` is the number of\n       * data points in the average.\n       *\n       * @private\n       * @param {Object} segmentInfo the object returned by loadSegment\n       */\n\n    }, {\n      key: 'recordThroughput_',\n      value: function recordThroughput_(segmentInfo) {\n        var rate = this.throughput.rate; // Add one to the time to ensure that we don't accidentally attempt to divide\n        // by zero in the case where the throughput is ridiculously high\n\n        var segmentProcessingTime = Date.now() - segmentInfo.endOfAllRequests + 1; // Multiply by 8000 to convert from bytes/millisecond to bits/second\n\n        var segmentProcessingThroughput = Math.floor(segmentInfo.byteLength / segmentProcessingTime * 8 * 1000); // This is just a cumulative moving average calculation:\n        //   newAvg = oldAvg + (sample - oldAvg) / (sampleCount + 1)\n\n        this.throughput.rate += (segmentProcessingThroughput - rate) / ++this.throughput.count;\n      }\n      /**\n       * Adds a cue to the segment-metadata track with some metadata information about the\n       * segment\n       *\n       * @private\n       * @param {Object} segmentInfo\n       *        the object returned by loadSegment\n       * @method addSegmentMetadataCue_\n       */\n\n    }, {\n      key: 'addSegmentMetadataCue_',\n      value: function addSegmentMetadataCue_(segmentInfo) {\n        if (!this.segmentMetadataTrack_) {\n          return;\n        }\n\n        var segment = segmentInfo.segment;\n        var start = segment.start;\n        var end = segment.end; // Do not try adding the cue if the start and end times are invalid.\n\n        if (!finite(start) || !finite(end)) {\n          return;\n        }\n\n        removeCuesFromTrack(start, end, this.segmentMetadataTrack_);\n        var Cue = window$3.WebKitDataCue || window$3.VTTCue;\n        var value = {\n          custom: segment.custom,\n          dateTimeObject: segment.dateTimeObject,\n          dateTimeString: segment.dateTimeString,\n          bandwidth: segmentInfo.playlist.attributes.BANDWIDTH,\n          resolution: segmentInfo.playlist.attributes.RESOLUTION,\n          codecs: segmentInfo.playlist.attributes.CODECS,\n          byteLength: segmentInfo.byteLength,\n          uri: segmentInfo.uri,\n          timeline: segmentInfo.timeline,\n          playlist: segmentInfo.playlist.id,\n          start: start,\n          end: end\n        };\n        var data = JSON.stringify(value);\n        var cue = new Cue(start, end, data); // Attach the metadata to the value property of the cue to keep consistency between\n        // the differences of WebKitDataCue in safari and VTTCue in other browsers\n\n        cue.value = value;\n        this.segmentMetadataTrack_.addCue(cue);\n      }\n    }]);\n    return SegmentLoader;\n  }(videojs$1.EventTarget);\n\n  var uint8ToUtf8 = function uint8ToUtf8(uintArray) {\n    return decodeURIComponent(escape(String.fromCharCode.apply(null, uintArray)));\n  };\n  /**\n   * @file vtt-segment-loader.js\n   */\n\n\n  var VTT_LINE_TERMINATORS = new Uint8Array('\\n\\n'.split('').map(function (_char2) {\n    return _char2.charCodeAt(0);\n  }));\n  /**\n   * An object that manages segment loading and appending.\n   *\n   * @class VTTSegmentLoader\n   * @param {Object} options required and optional options\n   * @extends videojs.EventTarget\n   */\n\n  var VTTSegmentLoader = function (_SegmentLoader) {\n    inherits$2(VTTSegmentLoader, _SegmentLoader);\n\n    function VTTSegmentLoader(settings) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      classCallCheck$1(this, VTTSegmentLoader); // SegmentLoader requires a MediaSource be specified or it will throw an error;\n      // however, VTTSegmentLoader has no need of a media source, so delete the reference\n\n      var _this = possibleConstructorReturn$1(this, (VTTSegmentLoader.__proto__ || Object.getPrototypeOf(VTTSegmentLoader)).call(this, settings, options));\n\n      _this.mediaSource_ = null;\n      _this.subtitlesTrack_ = null;\n      _this.featuresNativeTextTracks_ = settings.featuresNativeTextTracks;\n      return _this;\n    }\n    /**\n     * Indicates which time ranges are buffered\n     *\n     * @return {TimeRange}\n     *         TimeRange object representing the current buffered ranges\n     */\n\n\n    createClass$1(VTTSegmentLoader, [{\n      key: 'buffered_',\n      value: function buffered_() {\n        if (!this.subtitlesTrack_ || !this.subtitlesTrack_.cues.length) {\n          return videojs$1.createTimeRanges();\n        }\n\n        var cues = this.subtitlesTrack_.cues;\n        var start = cues[0].startTime;\n        var end = cues[cues.length - 1].startTime;\n        return videojs$1.createTimeRanges([[start, end]]);\n      }\n      /**\n       * Gets and sets init segment for the provided map\n       *\n       * @param {Object} map\n       *        The map object representing the init segment to get or set\n       * @param {Boolean=} set\n       *        If true, the init segment for the provided map should be saved\n       * @return {Object}\n       *         map object for desired init segment\n       */\n\n    }, {\n      key: 'initSegment',\n      value: function initSegment(map) {\n        var set$$1 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n        if (!map) {\n          return null;\n        }\n\n        var id = initSegmentId(map);\n        var storedMap = this.initSegments_[id];\n\n        if (set$$1 && !storedMap && map.bytes) {\n          // append WebVTT line terminators to the media initialization segment if it exists\n          // to follow the WebVTT spec (https://w3c.github.io/webvtt/#file-structure) that\n          // requires two or more WebVTT line terminators between the WebVTT header and the\n          // rest of the file\n          var combinedByteLength = VTT_LINE_TERMINATORS.byteLength + map.bytes.byteLength;\n          var combinedSegment = new Uint8Array(combinedByteLength);\n          combinedSegment.set(map.bytes);\n          combinedSegment.set(VTT_LINE_TERMINATORS, map.bytes.byteLength);\n          this.initSegments_[id] = storedMap = {\n            resolvedUri: map.resolvedUri,\n            byterange: map.byterange,\n            bytes: combinedSegment\n          };\n        }\n\n        return storedMap || map;\n      }\n      /**\n       * Returns true if all configuration required for loading is present, otherwise false.\n       *\n       * @return {Boolean} True if the all configuration is ready for loading\n       * @private\n       */\n\n    }, {\n      key: 'couldBeginLoading_',\n      value: function couldBeginLoading_() {\n        return this.playlist_ && this.subtitlesTrack_ && !this.paused();\n      }\n      /**\n       * Once all the starting parameters have been specified, begin\n       * operation. This method should only be invoked from the INIT\n       * state.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'init_',\n      value: function init_() {\n        this.state = 'READY';\n        this.resetEverything();\n        return this.monitorBuffer_();\n      }\n      /**\n       * Set a subtitle track on the segment loader to add subtitles to\n       *\n       * @param {TextTrack=} track\n       *        The text track to add loaded subtitles to\n       * @return {TextTrack}\n       *        Returns the subtitles track\n       */\n\n    }, {\n      key: 'track',\n      value: function track(_track) {\n        if (typeof _track === 'undefined') {\n          return this.subtitlesTrack_;\n        }\n\n        this.subtitlesTrack_ = _track; // if we were unpaused but waiting for a sourceUpdater, start\n        // buffering now\n\n        if (this.state === 'INIT' && this.couldBeginLoading_()) {\n          this.init_();\n        }\n\n        return this.subtitlesTrack_;\n      }\n      /**\n       * Remove any data in the source buffer between start and end times\n       * @param {Number} start - the start time of the region to remove from the buffer\n       * @param {Number} end - the end time of the region to remove from the buffer\n       */\n\n    }, {\n      key: 'remove',\n      value: function remove(start, end) {\n        removeCuesFromTrack(start, end, this.subtitlesTrack_);\n      }\n      /**\n       * fill the buffer with segements unless the sourceBuffers are\n       * currently updating\n       *\n       * Note: this function should only ever be called by monitorBuffer_\n       * and never directly\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fillBuffer_',\n      value: function fillBuffer_() {\n        var _this2 = this;\n\n        if (!this.syncPoint_) {\n          this.syncPoint_ = this.syncController_.getSyncPoint(this.playlist_, this.duration_(), this.currentTimeline_, this.currentTime_());\n        } // see if we need to begin loading immediately\n\n\n        var segmentInfo = this.checkBuffer_(this.buffered_(), this.playlist_, this.mediaIndex, this.hasPlayed_(), this.currentTime_(), this.syncPoint_);\n        segmentInfo = this.skipEmptySegments_(segmentInfo);\n\n        if (!segmentInfo) {\n          return;\n        }\n\n        if (this.syncController_.timestampOffsetForTimeline(segmentInfo.timeline) === null) {\n          // We don't have the timestamp offset that we need to sync subtitles.\n          // Rerun on a timestamp offset or user interaction.\n          var checkTimestampOffset = function checkTimestampOffset() {\n            _this2.state = 'READY';\n\n            if (!_this2.paused()) {\n              // if not paused, queue a buffer check as soon as possible\n              _this2.monitorBuffer_();\n            }\n          };\n\n          this.syncController_.one('timestampoffset', checkTimestampOffset);\n          this.state = 'WAITING_ON_TIMELINE';\n          return;\n        }\n\n        this.loadSegment_(segmentInfo);\n      }\n      /**\n       * Prevents the segment loader from requesting segments we know contain no subtitles\n       * by walking forward until we find the next segment that we don't know whether it is\n       * empty or not.\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @return {Object}\n       *         a segment info object that describes the current segment\n       */\n\n    }, {\n      key: 'skipEmptySegments_',\n      value: function skipEmptySegments_(segmentInfo) {\n        while (segmentInfo && segmentInfo.segment.empty) {\n          segmentInfo = this.generateSegmentInfo_(segmentInfo.playlist, segmentInfo.mediaIndex + 1, segmentInfo.startOfSegment + segmentInfo.duration, segmentInfo.isSyncRequest);\n        }\n\n        return segmentInfo;\n      }\n      /**\n       * append a decrypted segement to the SourceBuffer through a SourceUpdater\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSegment_',\n      value: function handleSegment_() {\n        var _this3 = this;\n\n        if (!this.pendingSegment_ || !this.subtitlesTrack_) {\n          this.state = 'READY';\n          return;\n        }\n\n        this.state = 'APPENDING';\n        var segmentInfo = this.pendingSegment_;\n        var segment = segmentInfo.segment; // Make sure that vttjs has loaded, otherwise, wait till it finished loading\n\n        if (typeof window$3.WebVTT !== 'function' && this.subtitlesTrack_ && this.subtitlesTrack_.tech_) {\n          var loadHandler = void 0;\n\n          var errorHandler = function errorHandler() {\n            _this3.subtitlesTrack_.tech_.off('vttjsloaded', loadHandler);\n\n            _this3.error({\n              message: 'Error loading vtt.js'\n            });\n\n            _this3.state = 'READY';\n\n            _this3.pause();\n\n            _this3.trigger('error');\n          };\n\n          loadHandler = function loadHandler() {\n            _this3.subtitlesTrack_.tech_.off('vttjserror', errorHandler);\n\n            _this3.handleSegment_();\n          };\n\n          this.state = 'WAITING_ON_VTTJS';\n          this.subtitlesTrack_.tech_.one('vttjsloaded', loadHandler);\n          this.subtitlesTrack_.tech_.one('vttjserror', errorHandler);\n          return;\n        }\n\n        segment.requested = true;\n\n        try {\n          this.parseVTTCues_(segmentInfo);\n        } catch (e) {\n          this.error({\n            message: e.message\n          });\n          this.state = 'READY';\n          this.pause();\n          return this.trigger('error');\n        }\n\n        this.updateTimeMapping_(segmentInfo, this.syncController_.timelines[segmentInfo.timeline], this.playlist_);\n\n        if (segmentInfo.isSyncRequest) {\n          this.trigger('syncinfoupdate');\n          this.pendingSegment_ = null;\n          this.state = 'READY';\n          return;\n        }\n\n        segmentInfo.byteLength = segmentInfo.bytes.byteLength;\n        this.mediaSecondsLoaded += segment.duration;\n\n        if (segmentInfo.cues.length) {\n          // remove any overlapping cues to prevent doubling\n          this.remove(segmentInfo.cues[0].endTime, segmentInfo.cues[segmentInfo.cues.length - 1].endTime);\n        }\n\n        segmentInfo.cues.forEach(function (cue) {\n          _this3.subtitlesTrack_.addCue(_this3.featuresNativeTextTracks_ ? new window$3.VTTCue(cue.startTime, cue.endTime, cue.text) : cue);\n        });\n        this.handleUpdateEnd_();\n      }\n      /**\n       * Uses the WebVTT parser to parse the segment response\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @private\n       */\n\n    }, {\n      key: 'parseVTTCues_',\n      value: function parseVTTCues_(segmentInfo) {\n        var decoder = void 0;\n        var decodeBytesToString = false;\n\n        if (typeof window$3.TextDecoder === 'function') {\n          decoder = new window$3.TextDecoder('utf8');\n        } else {\n          decoder = window$3.WebVTT.StringDecoder();\n          decodeBytesToString = true;\n        }\n\n        var parser = new window$3.WebVTT.Parser(window$3, window$3.vttjs, decoder);\n        segmentInfo.cues = [];\n        segmentInfo.timestampmap = {\n          MPEGTS: 0,\n          LOCAL: 0\n        };\n        parser.oncue = segmentInfo.cues.push.bind(segmentInfo.cues);\n\n        parser.ontimestampmap = function (map) {\n          return segmentInfo.timestampmap = map;\n        };\n\n        parser.onparsingerror = function (error) {\n          videojs$1.log.warn('Error encountered when parsing cues: ' + error.message);\n        };\n\n        if (segmentInfo.segment.map) {\n          var mapData = segmentInfo.segment.map.bytes;\n\n          if (decodeBytesToString) {\n            mapData = uint8ToUtf8(mapData);\n          }\n\n          parser.parse(mapData);\n        }\n\n        var segmentData = segmentInfo.bytes;\n\n        if (decodeBytesToString) {\n          segmentData = uint8ToUtf8(segmentData);\n        }\n\n        parser.parse(segmentData);\n        parser.flush();\n      }\n      /**\n       * Updates the start and end times of any cues parsed by the WebVTT parser using\n       * the information parsed from the X-TIMESTAMP-MAP header and a TS to media time mapping\n       * from the SyncController\n       *\n       * @param {Object} segmentInfo\n       *        a segment info object that describes the current segment\n       * @param {Object} mappingObj\n       *        object containing a mapping from TS to media time\n       * @param {Object} playlist\n       *        the playlist object containing the segment\n       * @private\n       */\n\n    }, {\n      key: 'updateTimeMapping_',\n      value: function updateTimeMapping_(segmentInfo, mappingObj, playlist) {\n        var segment = segmentInfo.segment;\n\n        if (!mappingObj) {\n          // If the sync controller does not have a mapping of TS to Media Time for the\n          // timeline, then we don't have enough information to update the cue\n          // start/end times\n          return;\n        }\n\n        if (!segmentInfo.cues.length) {\n          // If there are no cues, we also do not have enough information to figure out\n          // segment timing. Mark that the segment contains no cues so we don't re-request\n          // an empty segment.\n          segment.empty = true;\n          return;\n        }\n\n        var timestampmap = segmentInfo.timestampmap;\n        var diff = timestampmap.MPEGTS / 90000 - timestampmap.LOCAL + mappingObj.mapping;\n        segmentInfo.cues.forEach(function (cue) {\n          // First convert cue time to TS time using the timestamp-map provided within the vtt\n          cue.startTime += diff;\n          cue.endTime += diff;\n        });\n\n        if (!playlist.syncInfo) {\n          var firstStart = segmentInfo.cues[0].startTime;\n          var lastStart = segmentInfo.cues[segmentInfo.cues.length - 1].startTime;\n          playlist.syncInfo = {\n            mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,\n            time: Math.min(firstStart, lastStart - segment.duration)\n          };\n        }\n      }\n    }]);\n    return VTTSegmentLoader;\n  }(SegmentLoader);\n  /**\n   * @file ad-cue-tags.js\n   */\n\n  /**\n   * Searches for an ad cue that overlaps with the given mediaTime\n   */\n\n\n  var findAdCue = function findAdCue(track, mediaTime) {\n    var cues = track.cues;\n\n    for (var i = 0; i < cues.length; i++) {\n      var cue = cues[i];\n\n      if (mediaTime >= cue.adStartTime && mediaTime <= cue.adEndTime) {\n        return cue;\n      }\n    }\n\n    return null;\n  };\n\n  var updateAdCues = function updateAdCues(media, track) {\n    var offset = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;\n\n    if (!media.segments) {\n      return;\n    }\n\n    var mediaTime = offset;\n    var cue = void 0;\n\n    for (var i = 0; i < media.segments.length; i++) {\n      var segment = media.segments[i];\n\n      if (!cue) {\n        // Since the cues will span for at least the segment duration, adding a fudge\n        // factor of half segment duration will prevent duplicate cues from being\n        // created when timing info is not exact (e.g. cue start time initialized\n        // at 10.006677, but next call mediaTime is 10.003332 )\n        cue = findAdCue(track, mediaTime + segment.duration / 2);\n      }\n\n      if (cue) {\n        if ('cueIn' in segment) {\n          // Found a CUE-IN so end the cue\n          cue.endTime = mediaTime;\n          cue.adEndTime = mediaTime;\n          mediaTime += segment.duration;\n          cue = null;\n          continue;\n        }\n\n        if (mediaTime < cue.endTime) {\n          // Already processed this mediaTime for this cue\n          mediaTime += segment.duration;\n          continue;\n        } // otherwise extend cue until a CUE-IN is found\n\n\n        cue.endTime += segment.duration;\n      } else {\n        if ('cueOut' in segment) {\n          cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, segment.cueOut);\n          cue.adStartTime = mediaTime; // Assumes tag format to be\n          // #EXT-X-CUE-OUT:30\n\n          cue.adEndTime = mediaTime + parseFloat(segment.cueOut);\n          track.addCue(cue);\n        }\n\n        if ('cueOutCont' in segment) {\n          // Entered into the middle of an ad cue\n          var adOffset = void 0;\n          var adTotal = void 0; // Assumes tag formate to be\n          // #EXT-X-CUE-OUT-CONT:10/30\n\n          var _segment$cueOutCont$s = segment.cueOutCont.split('/').map(parseFloat);\n\n          var _segment$cueOutCont$s2 = slicedToArray(_segment$cueOutCont$s, 2);\n\n          adOffset = _segment$cueOutCont$s2[0];\n          adTotal = _segment$cueOutCont$s2[1];\n          cue = new window$3.VTTCue(mediaTime, mediaTime + segment.duration, '');\n          cue.adStartTime = mediaTime - adOffset;\n          cue.adEndTime = cue.adStartTime + adTotal;\n          track.addCue(cue);\n        }\n      }\n\n      mediaTime += segment.duration;\n    }\n  };\n  /**\n   * @file sync-controller.js\n   */\n\n\n  var tsprobe = tsInspector.inspect;\n  var syncPointStrategies = [// Stategy \"VOD\": Handle the VOD-case where the sync-point is *always*\n  //                the equivalence display-time 0 === segment-index 0\n  {\n    name: 'VOD',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (duration$$1 !== Infinity) {\n        var syncPoint = {\n          time: 0,\n          segmentIndex: 0\n        };\n        return syncPoint;\n      }\n\n      return null;\n    }\n  }, // Stategy \"ProgramDateTime\": We have a program-date-time tag in this playlist\n  {\n    name: 'ProgramDateTime',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (!syncController.datetimeToDisplayTime) {\n        return null;\n      }\n\n      var segments = playlist.segments || [];\n      var syncPoint = null;\n      var lastDistance = null;\n      currentTime = currentTime || 0;\n\n      for (var i = 0; i < segments.length; i++) {\n        var segment = segments[i];\n\n        if (segment.dateTimeObject) {\n          var segmentTime = segment.dateTimeObject.getTime() / 1000;\n          var segmentStart = segmentTime + syncController.datetimeToDisplayTime;\n          var distance = Math.abs(currentTime - segmentStart); // Once the distance begins to increase, or if distance is 0, we have passed\n          // currentTime and can stop looking for better candidates\n\n          if (lastDistance !== null && (distance === 0 || lastDistance < distance)) {\n            break;\n          }\n\n          lastDistance = distance;\n          syncPoint = {\n            time: segmentStart,\n            segmentIndex: i\n          };\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Segment\": We have a known time mapping for a timeline and a\n  //                    segment in the current timeline with timing data\n  {\n    name: 'Segment',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      var segments = playlist.segments || [];\n      var syncPoint = null;\n      var lastDistance = null;\n      currentTime = currentTime || 0;\n\n      for (var i = 0; i < segments.length; i++) {\n        var segment = segments[i];\n\n        if (segment.timeline === currentTimeline && typeof segment.start !== 'undefined') {\n          var distance = Math.abs(currentTime - segment.start); // Once the distance begins to increase, we have passed\n          // currentTime and can stop looking for better candidates\n\n          if (lastDistance !== null && lastDistance < distance) {\n            break;\n          }\n\n          if (!syncPoint || lastDistance === null || lastDistance >= distance) {\n            lastDistance = distance;\n            syncPoint = {\n              time: segment.start,\n              segmentIndex: i\n            };\n          }\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Discontinuity\": We have a discontinuity with a known\n  //                          display-time\n  {\n    name: 'Discontinuity',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      var syncPoint = null;\n      currentTime = currentTime || 0;\n\n      if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {\n        var lastDistance = null;\n\n        for (var i = 0; i < playlist.discontinuityStarts.length; i++) {\n          var segmentIndex = playlist.discontinuityStarts[i];\n          var discontinuity = playlist.discontinuitySequence + i + 1;\n          var discontinuitySync = syncController.discontinuities[discontinuity];\n\n          if (discontinuitySync) {\n            var distance = Math.abs(currentTime - discontinuitySync.time); // Once the distance begins to increase, we have passed\n            // currentTime and can stop looking for better candidates\n\n            if (lastDistance !== null && lastDistance < distance) {\n              break;\n            }\n\n            if (!syncPoint || lastDistance === null || lastDistance >= distance) {\n              lastDistance = distance;\n              syncPoint = {\n                time: discontinuitySync.time,\n                segmentIndex: segmentIndex\n              };\n            }\n          }\n        }\n      }\n\n      return syncPoint;\n    }\n  }, // Stategy \"Playlist\": We have a playlist with a known mapping of\n  //                     segment index to display time\n  {\n    name: 'Playlist',\n    run: function run(syncController, playlist, duration$$1, currentTimeline, currentTime) {\n      if (playlist.syncInfo) {\n        var syncPoint = {\n          time: playlist.syncInfo.time,\n          segmentIndex: playlist.syncInfo.mediaSequence - playlist.mediaSequence\n        };\n        return syncPoint;\n      }\n\n      return null;\n    }\n  }];\n\n  var SyncController = function (_videojs$EventTarget) {\n    inherits$2(SyncController, _videojs$EventTarget);\n\n    function SyncController() {\n      classCallCheck$1(this, SyncController); // Segment Loader state variables...\n      // ...for synching across variants\n\n      var _this = possibleConstructorReturn$1(this, (SyncController.__proto__ || Object.getPrototypeOf(SyncController)).call(this));\n\n      _this.inspectCache_ = undefined; // ...for synching across variants\n\n      _this.timelines = [];\n      _this.discontinuities = [];\n      _this.datetimeToDisplayTime = null;\n      _this.logger_ = logger('SyncController');\n      return _this;\n    }\n    /**\n     * Find a sync-point for the playlist specified\n     *\n     * A sync-point is defined as a known mapping from display-time to\n     * a segment-index in the current playlist.\n     *\n     * @param {Playlist} playlist\n     *        The playlist that needs a sync-point\n     * @param {Number} duration\n     *        Duration of the MediaSource (Infinite if playing a live source)\n     * @param {Number} currentTimeline\n     *        The last timeline from which a segment was loaded\n     * @returns {Object}\n     *          A sync-point object\n     */\n\n\n    createClass$1(SyncController, [{\n      key: 'getSyncPoint',\n      value: function getSyncPoint(playlist, duration$$1, currentTimeline, currentTime) {\n        var syncPoints = this.runStrategies_(playlist, duration$$1, currentTimeline, currentTime);\n\n        if (!syncPoints.length) {\n          // Signal that we need to attempt to get a sync-point manually\n          // by fetching a segment in the playlist and constructing\n          // a sync-point from that information\n          return null;\n        } // Now find the sync-point that is closest to the currentTime because\n        // that should result in the most accurate guess about which segment\n        // to fetch\n\n\n        return this.selectSyncPoint_(syncPoints, {\n          key: 'time',\n          value: currentTime\n        });\n      }\n      /**\n       * Calculate the amount of time that has expired off the playlist during playback\n       *\n       * @param {Playlist} playlist\n       *        Playlist object to calculate expired from\n       * @param {Number} duration\n       *        Duration of the MediaSource (Infinity if playling a live source)\n       * @returns {Number|null}\n       *          The amount of time that has expired off the playlist during playback. Null\n       *          if no sync-points for the playlist can be found.\n       */\n\n    }, {\n      key: 'getExpiredTime',\n      value: function getExpiredTime(playlist, duration$$1) {\n        if (!playlist || !playlist.segments) {\n          return null;\n        }\n\n        var syncPoints = this.runStrategies_(playlist, duration$$1, playlist.discontinuitySequence, 0); // Without sync-points, there is not enough information to determine the expired time\n\n        if (!syncPoints.length) {\n          return null;\n        }\n\n        var syncPoint = this.selectSyncPoint_(syncPoints, {\n          key: 'segmentIndex',\n          value: 0\n        }); // If the sync-point is beyond the start of the playlist, we want to subtract the\n        // duration from index 0 to syncPoint.segmentIndex instead of adding.\n\n        if (syncPoint.segmentIndex > 0) {\n          syncPoint.time *= -1;\n        }\n\n        return Math.abs(syncPoint.time + sumDurations(playlist, syncPoint.segmentIndex, 0));\n      }\n      /**\n       * Runs each sync-point strategy and returns a list of sync-points returned by the\n       * strategies\n       *\n       * @private\n       * @param {Playlist} playlist\n       *        The playlist that needs a sync-point\n       * @param {Number} duration\n       *        Duration of the MediaSource (Infinity if playing a live source)\n       * @param {Number} currentTimeline\n       *        The last timeline from which a segment was loaded\n       * @returns {Array}\n       *          A list of sync-point objects\n       */\n\n    }, {\n      key: 'runStrategies_',\n      value: function runStrategies_(playlist, duration$$1, currentTimeline, currentTime) {\n        var syncPoints = []; // Try to find a sync-point in by utilizing various strategies...\n\n        for (var i = 0; i < syncPointStrategies.length; i++) {\n          var strategy = syncPointStrategies[i];\n          var syncPoint = strategy.run(this, playlist, duration$$1, currentTimeline, currentTime);\n\n          if (syncPoint) {\n            syncPoint.strategy = strategy.name;\n            syncPoints.push({\n              strategy: strategy.name,\n              syncPoint: syncPoint\n            });\n          }\n        }\n\n        return syncPoints;\n      }\n      /**\n       * Selects the sync-point nearest the specified target\n       *\n       * @private\n       * @param {Array} syncPoints\n       *        List of sync-points to select from\n       * @param {Object} target\n       *        Object specifying the property and value we are targeting\n       * @param {String} target.key\n       *        Specifies the property to target. Must be either 'time' or 'segmentIndex'\n       * @param {Number} target.value\n       *        The value to target for the specified key.\n       * @returns {Object}\n       *          The sync-point nearest the target\n       */\n\n    }, {\n      key: 'selectSyncPoint_',\n      value: function selectSyncPoint_(syncPoints, target) {\n        var bestSyncPoint = syncPoints[0].syncPoint;\n        var bestDistance = Math.abs(syncPoints[0].syncPoint[target.key] - target.value);\n        var bestStrategy = syncPoints[0].strategy;\n\n        for (var i = 1; i < syncPoints.length; i++) {\n          var newDistance = Math.abs(syncPoints[i].syncPoint[target.key] - target.value);\n\n          if (newDistance < bestDistance) {\n            bestDistance = newDistance;\n            bestSyncPoint = syncPoints[i].syncPoint;\n            bestStrategy = syncPoints[i].strategy;\n          }\n        }\n\n        this.logger_('syncPoint for [' + target.key + ': ' + target.value + '] chosen with strategy' + (' [' + bestStrategy + ']: [time:' + bestSyncPoint.time + ',') + (' segmentIndex:' + bestSyncPoint.segmentIndex + ']'));\n        return bestSyncPoint;\n      }\n      /**\n       * Save any meta-data present on the segments when segments leave\n       * the live window to the playlist to allow for synchronization at the\n       * playlist level later.\n       *\n       * @param {Playlist} oldPlaylist - The previous active playlist\n       * @param {Playlist} newPlaylist - The updated and most current playlist\n       */\n\n    }, {\n      key: 'saveExpiredSegmentInfo',\n      value: function saveExpiredSegmentInfo(oldPlaylist, newPlaylist) {\n        var mediaSequenceDiff = newPlaylist.mediaSequence - oldPlaylist.mediaSequence; // When a segment expires from the playlist and it has a start time\n        // save that information as a possible sync-point reference in future\n\n        for (var i = mediaSequenceDiff - 1; i >= 0; i--) {\n          var lastRemovedSegment = oldPlaylist.segments[i];\n\n          if (lastRemovedSegment && typeof lastRemovedSegment.start !== 'undefined') {\n            newPlaylist.syncInfo = {\n              mediaSequence: oldPlaylist.mediaSequence + i,\n              time: lastRemovedSegment.start\n            };\n            this.logger_('playlist refresh sync: [time:' + newPlaylist.syncInfo.time + ',' + (' mediaSequence: ' + newPlaylist.syncInfo.mediaSequence + ']'));\n            this.trigger('syncinfoupdate');\n            break;\n          }\n        }\n      }\n      /**\n       * Save the mapping from playlist's ProgramDateTime to display. This should\n       * only ever happen once at the start of playback.\n       *\n       * @param {Playlist} playlist - The currently active playlist\n       */\n\n    }, {\n      key: 'setDateTimeMapping',\n      value: function setDateTimeMapping(playlist) {\n        if (!this.datetimeToDisplayTime && playlist.segments && playlist.segments.length && playlist.segments[0].dateTimeObject) {\n          var playlistTimestamp = playlist.segments[0].dateTimeObject.getTime() / 1000;\n          this.datetimeToDisplayTime = -playlistTimestamp;\n        }\n      }\n      /**\n       * Reset the state of the inspection cache when we do a rendition\n       * switch\n       */\n\n    }, {\n      key: 'reset',\n      value: function reset() {\n        this.inspectCache_ = undefined;\n      }\n      /**\n       * Probe or inspect a fmp4 or an mpeg2-ts segment to determine the start\n       * and end of the segment in it's internal \"media time\". Used to generate\n       * mappings from that internal \"media time\" to the display time that is\n       * shown on the player.\n       *\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       */\n\n    }, {\n      key: 'probeSegmentInfo',\n      value: function probeSegmentInfo(segmentInfo) {\n        var segment = segmentInfo.segment;\n        var playlist = segmentInfo.playlist;\n        var timingInfo = void 0;\n\n        if (segment.map) {\n          timingInfo = this.probeMp4Segment_(segmentInfo);\n        } else {\n          timingInfo = this.probeTsSegment_(segmentInfo);\n        }\n\n        if (timingInfo) {\n          if (this.calculateSegmentTimeMapping_(segmentInfo, timingInfo)) {\n            this.saveDiscontinuitySyncInfo_(segmentInfo); // If the playlist does not have sync information yet, record that information\n            // now with segment timing information\n\n            if (!playlist.syncInfo) {\n              playlist.syncInfo = {\n                mediaSequence: playlist.mediaSequence + segmentInfo.mediaIndex,\n                time: segment.start\n              };\n            }\n          }\n        }\n\n        return timingInfo;\n      }\n      /**\n       * Probe an fmp4 segment to determine the start of the segment\n       * in it's internal \"composition time\", which is equal to the base\n       * media decode time plus the composition time offset value\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       * @return {object} The start and end time of the current segment in \"composition time\"\n       */\n\n    }, {\n      key: 'probeMp4Segment_',\n      value: function probeMp4Segment_(segmentInfo) {\n        var segment = segmentInfo.segment; // get timescales from init segment\n\n        var timescales = probe.timescale(segment.map.bytes); // calculate composition start time using the timescales and information\n        // contained within the media segment\n\n        var compositionStartTime = probe.compositionStartTime(timescales, segmentInfo.bytes);\n\n        if (segmentInfo.timestampOffset !== null) {\n          segmentInfo.timestampOffset -= compositionStartTime;\n        }\n\n        return {\n          start: compositionStartTime,\n          end: compositionStartTime + segment.duration\n        };\n      }\n      /**\n       * Probe an mpeg2-ts segment to determine the start and end of the segment\n       * in it's internal \"media time\".\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       * @return {object} The start and end time of the current segment in \"media time\"\n       */\n\n    }, {\n      key: 'probeTsSegment_',\n      value: function probeTsSegment_(segmentInfo) {\n        var timeInfo = tsprobe(segmentInfo.bytes, this.inspectCache_);\n        var segmentStartTime = void 0;\n        var segmentEndTime = void 0;\n        var segmentTimestampInfo = void 0;\n\n        if (!timeInfo) {\n          return null;\n        }\n\n        if (timeInfo.video && timeInfo.video.length === 2) {\n          this.inspectCache_ = timeInfo.video[1].dts;\n          segmentStartTime = timeInfo.video[0].dtsTime;\n          segmentEndTime = timeInfo.video[1].dtsTime;\n          segmentTimestampInfo = timeInfo.video;\n        } else if (timeInfo.audio && timeInfo.audio.length === 2) {\n          this.inspectCache_ = timeInfo.audio[1].dts;\n          segmentStartTime = timeInfo.audio[0].dtsTime;\n          segmentEndTime = timeInfo.audio[1].dtsTime;\n          segmentTimestampInfo = timeInfo.audio;\n        }\n\n        var probedInfo = {\n          segmentTimestampInfo: segmentTimestampInfo,\n          start: segmentStartTime,\n          end: segmentEndTime,\n          containsVideo: timeInfo.video && timeInfo.video.length === 2,\n          containsAudio: timeInfo.audio && timeInfo.audio.length === 2\n        };\n        return probedInfo;\n      }\n    }, {\n      key: 'timestampOffsetForTimeline',\n      value: function timestampOffsetForTimeline(timeline) {\n        if (typeof this.timelines[timeline] === 'undefined') {\n          return null;\n        }\n\n        return this.timelines[timeline].time;\n      }\n    }, {\n      key: 'mappingForTimeline',\n      value: function mappingForTimeline(timeline) {\n        if (typeof this.timelines[timeline] === 'undefined') {\n          return null;\n        }\n\n        return this.timelines[timeline].mapping;\n      }\n      /**\n       * Use the \"media time\" for a segment to generate a mapping to \"display time\" and\n       * save that display time to the segment.\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo\n       *        The current active request information\n       * @param {object} timingInfo\n       *        The start and end time of the current segment in \"media time\"\n       * @returns {Boolean}\n       *          Returns false if segment time mapping could not be calculated\n       */\n\n    }, {\n      key: 'calculateSegmentTimeMapping_',\n      value: function calculateSegmentTimeMapping_(segmentInfo, timingInfo) {\n        var segment = segmentInfo.segment;\n        var mappingObj = this.timelines[segmentInfo.timeline];\n\n        if (segmentInfo.timestampOffset !== null) {\n          mappingObj = {\n            time: segmentInfo.startOfSegment,\n            mapping: segmentInfo.startOfSegment - timingInfo.start\n          };\n          this.timelines[segmentInfo.timeline] = mappingObj;\n          this.trigger('timestampoffset');\n          this.logger_('time mapping for timeline ' + segmentInfo.timeline + ': ' + ('[time: ' + mappingObj.time + '] [mapping: ' + mappingObj.mapping + ']'));\n          segment.start = segmentInfo.startOfSegment;\n          segment.end = timingInfo.end + mappingObj.mapping;\n        } else if (mappingObj) {\n          segment.start = timingInfo.start + mappingObj.mapping;\n          segment.end = timingInfo.end + mappingObj.mapping;\n        } else {\n          return false;\n        }\n\n        return true;\n      }\n      /**\n       * Each time we have discontinuity in the playlist, attempt to calculate the location\n       * in display of the start of the discontinuity and save that. We also save an accuracy\n       * value so that we save values with the most accuracy (closest to 0.)\n       *\n       * @private\n       * @param {SegmentInfo} segmentInfo - The current active request information\n       */\n\n    }, {\n      key: 'saveDiscontinuitySyncInfo_',\n      value: function saveDiscontinuitySyncInfo_(segmentInfo) {\n        var playlist = segmentInfo.playlist;\n        var segment = segmentInfo.segment; // If the current segment is a discontinuity then we know exactly where\n        // the start of the range and it's accuracy is 0 (greater accuracy values\n        // mean more approximation)\n\n        if (segment.discontinuity) {\n          this.discontinuities[segment.timeline] = {\n            time: segment.start,\n            accuracy: 0\n          };\n        } else if (playlist.discontinuityStarts && playlist.discontinuityStarts.length) {\n          // Search for future discontinuities that we can provide better timing\n          // information for and save that information for sync purposes\n          for (var i = 0; i < playlist.discontinuityStarts.length; i++) {\n            var segmentIndex = playlist.discontinuityStarts[i];\n            var discontinuity = playlist.discontinuitySequence + i + 1;\n            var mediaIndexDiff = segmentIndex - segmentInfo.mediaIndex;\n            var accuracy = Math.abs(mediaIndexDiff);\n\n            if (!this.discontinuities[discontinuity] || this.discontinuities[discontinuity].accuracy > accuracy) {\n              var time = void 0;\n\n              if (mediaIndexDiff < 0) {\n                time = segment.start - sumDurations(playlist, segmentInfo.mediaIndex, segmentIndex);\n              } else {\n                time = segment.end + sumDurations(playlist, segmentInfo.mediaIndex + 1, segmentIndex);\n              }\n\n              this.discontinuities[discontinuity] = {\n                time: time,\n                accuracy: accuracy\n              };\n            }\n          }\n        }\n      }\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        this.trigger('dispose');\n        this.off();\n      }\n    }]);\n    return SyncController;\n  }(videojs$1.EventTarget);\n\n  var Decrypter$1 = new shimWorker(\"./decrypter-worker.worker.js\", function (window, document$$1) {\n    var self = this;\n\n    var decrypterWorker = function () {\n      /*\n       * pkcs7.pad\n       * https://github.com/brightcove/pkcs7\n       *\n       * Copyright (c) 2014 Brightcove\n       * Licensed under the apache2 license.\n       */\n\n      /**\n       * Returns the subarray of a Uint8Array without PKCS#7 padding.\n       * @param padded {Uint8Array} unencrypted bytes that have been padded\n       * @return {Uint8Array} the unpadded bytes\n       * @see http://tools.ietf.org/html/rfc5652\n       */\n      function unpad(padded) {\n        return padded.subarray(0, padded.byteLength - padded[padded.byteLength - 1]);\n      }\n\n      var classCallCheck = function classCallCheck(instance, Constructor) {\n        if (!(instance instanceof Constructor)) {\n          throw new TypeError(\"Cannot call a class as a function\");\n        }\n      };\n\n      var createClass = function () {\n        function defineProperties(target, props) {\n          for (var i = 0; i < props.length; i++) {\n            var descriptor = props[i];\n            descriptor.enumerable = descriptor.enumerable || false;\n            descriptor.configurable = true;\n            if (\"value\" in descriptor) descriptor.writable = true;\n            Object.defineProperty(target, descriptor.key, descriptor);\n          }\n        }\n\n        return function (Constructor, protoProps, staticProps) {\n          if (protoProps) defineProperties(Constructor.prototype, protoProps);\n          if (staticProps) defineProperties(Constructor, staticProps);\n          return Constructor;\n        };\n      }();\n\n      var inherits = function inherits(subClass, superClass) {\n        if (typeof superClass !== \"function\" && superClass !== null) {\n          throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n        }\n\n        subClass.prototype = Object.create(superClass && superClass.prototype, {\n          constructor: {\n            value: subClass,\n            enumerable: false,\n            writable: true,\n            configurable: true\n          }\n        });\n        if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n      };\n\n      var possibleConstructorReturn = function possibleConstructorReturn(self, call) {\n        if (!self) {\n          throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n        }\n\n        return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n      };\n      /**\n       * @file aes.js\n       *\n       * This file contains an adaptation of the AES decryption algorithm\n       * from the Standford Javascript Cryptography Library. That work is\n       * covered by the following copyright and permissions notice:\n       *\n       * Copyright 2009-2010 Emily Stark, Mike Hamburg, Dan Boneh.\n       * All rights reserved.\n       *\n       * Redistribution and use in source and binary forms, with or without\n       * modification, are permitted provided that the following conditions are\n       * met:\n       *\n       * 1. Redistributions of source code must retain the above copyright\n       *    notice, this list of conditions and the following disclaimer.\n       *\n       * 2. Redistributions in binary form must reproduce the above\n       *    copyright notice, this list of conditions and the following\n       *    disclaimer in the documentation and/or other materials provided\n       *    with the distribution.\n       *\n       * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR\n       * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n       * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n       * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR CONTRIBUTORS BE\n       * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR\n       * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF\n       * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR\n       * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\n       * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE\n       * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN\n       * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n       *\n       * The views and conclusions contained in the software and documentation\n       * are those of the authors and should not be interpreted as representing\n       * official policies, either expressed or implied, of the authors.\n       */\n\n      /**\n       * Expand the S-box tables.\n       *\n       * @private\n       */\n\n\n      var precompute = function precompute() {\n        var tables = [[[], [], [], [], []], [[], [], [], [], []]];\n        var encTable = tables[0];\n        var decTable = tables[1];\n        var sbox = encTable[4];\n        var sboxInv = decTable[4];\n        var i = void 0;\n        var x = void 0;\n        var xInv = void 0;\n        var d = [];\n        var th = [];\n        var x2 = void 0;\n        var x4 = void 0;\n        var x8 = void 0;\n        var s = void 0;\n        var tEnc = void 0;\n        var tDec = void 0; // Compute double and third tables\n\n        for (i = 0; i < 256; i++) {\n          th[(d[i] = i << 1 ^ (i >> 7) * 283) ^ i] = i;\n        }\n\n        for (x = xInv = 0; !sbox[x]; x ^= x2 || 1, xInv = th[xInv] || 1) {\n          // Compute sbox\n          s = xInv ^ xInv << 1 ^ xInv << 2 ^ xInv << 3 ^ xInv << 4;\n          s = s >> 8 ^ s & 255 ^ 99;\n          sbox[x] = s;\n          sboxInv[s] = x; // Compute MixColumns\n\n          x8 = d[x4 = d[x2 = d[x]]];\n          tDec = x8 * 0x1010101 ^ x4 * 0x10001 ^ x2 * 0x101 ^ x * 0x1010100;\n          tEnc = d[s] * 0x101 ^ s * 0x1010100;\n\n          for (i = 0; i < 4; i++) {\n            encTable[i][x] = tEnc = tEnc << 24 ^ tEnc >>> 8;\n            decTable[i][s] = tDec = tDec << 24 ^ tDec >>> 8;\n          }\n        } // Compactify. Considerable speedup on Firefox.\n\n\n        for (i = 0; i < 5; i++) {\n          encTable[i] = encTable[i].slice(0);\n          decTable[i] = decTable[i].slice(0);\n        }\n\n        return tables;\n      };\n\n      var aesTables = null;\n      /**\n       * Schedule out an AES key for both encryption and decryption. This\n       * is a low-level class. Use a cipher mode to do bulk encryption.\n       *\n       * @class AES\n       * @param key {Array} The key as an array of 4, 6 or 8 words.\n       */\n\n      var AES = function () {\n        function AES(key) {\n          classCallCheck(this, AES);\n          /**\n           * The expanded S-box and inverse S-box tables. These will be computed\n           * on the client so that we don't have to send them down the wire.\n           *\n           * There are two tables, _tables[0] is for encryption and\n           * _tables[1] is for decryption.\n           *\n           * The first 4 sub-tables are the expanded S-box with MixColumns. The\n           * last (_tables[01][4]) is the S-box itself.\n           *\n           * @private\n           */\n          // if we have yet to precompute the S-box tables\n          // do so now\n\n          if (!aesTables) {\n            aesTables = precompute();\n          } // then make a copy of that object for use\n\n\n          this._tables = [[aesTables[0][0].slice(), aesTables[0][1].slice(), aesTables[0][2].slice(), aesTables[0][3].slice(), aesTables[0][4].slice()], [aesTables[1][0].slice(), aesTables[1][1].slice(), aesTables[1][2].slice(), aesTables[1][3].slice(), aesTables[1][4].slice()]];\n          var i = void 0;\n          var j = void 0;\n          var tmp = void 0;\n          var encKey = void 0;\n          var decKey = void 0;\n          var sbox = this._tables[0][4];\n          var decTable = this._tables[1];\n          var keyLen = key.length;\n          var rcon = 1;\n\n          if (keyLen !== 4 && keyLen !== 6 && keyLen !== 8) {\n            throw new Error('Invalid aes key size');\n          }\n\n          encKey = key.slice(0);\n          decKey = [];\n          this._key = [encKey, decKey]; // schedule encryption keys\n\n          for (i = keyLen; i < 4 * keyLen + 28; i++) {\n            tmp = encKey[i - 1]; // apply sbox\n\n            if (i % keyLen === 0 || keyLen === 8 && i % keyLen === 4) {\n              tmp = sbox[tmp >>> 24] << 24 ^ sbox[tmp >> 16 & 255] << 16 ^ sbox[tmp >> 8 & 255] << 8 ^ sbox[tmp & 255]; // shift rows and add rcon\n\n              if (i % keyLen === 0) {\n                tmp = tmp << 8 ^ tmp >>> 24 ^ rcon << 24;\n                rcon = rcon << 1 ^ (rcon >> 7) * 283;\n              }\n            }\n\n            encKey[i] = encKey[i - keyLen] ^ tmp;\n          } // schedule decryption keys\n\n\n          for (j = 0; i; j++, i--) {\n            tmp = encKey[j & 3 ? i : i - 4];\n\n            if (i <= 4 || j < 4) {\n              decKey[j] = tmp;\n            } else {\n              decKey[j] = decTable[0][sbox[tmp >>> 24]] ^ decTable[1][sbox[tmp >> 16 & 255]] ^ decTable[2][sbox[tmp >> 8 & 255]] ^ decTable[3][sbox[tmp & 255]];\n            }\n          }\n        }\n        /**\n         * Decrypt 16 bytes, specified as four 32-bit words.\n         *\n         * @param {Number} encrypted0 the first word to decrypt\n         * @param {Number} encrypted1 the second word to decrypt\n         * @param {Number} encrypted2 the third word to decrypt\n         * @param {Number} encrypted3 the fourth word to decrypt\n         * @param {Int32Array} out the array to write the decrypted words\n         * into\n         * @param {Number} offset the offset into the output array to start\n         * writing results\n         * @return {Array} The plaintext.\n         */\n\n\n        AES.prototype.decrypt = function decrypt$$1(encrypted0, encrypted1, encrypted2, encrypted3, out, offset) {\n          var key = this._key[1]; // state variables a,b,c,d are loaded with pre-whitened data\n\n          var a = encrypted0 ^ key[0];\n          var b = encrypted3 ^ key[1];\n          var c = encrypted2 ^ key[2];\n          var d = encrypted1 ^ key[3];\n          var a2 = void 0;\n          var b2 = void 0;\n          var c2 = void 0; // key.length === 2 ?\n\n          var nInnerRounds = key.length / 4 - 2;\n          var i = void 0;\n          var kIndex = 4;\n          var table = this._tables[1]; // load up the tables\n\n          var table0 = table[0];\n          var table1 = table[1];\n          var table2 = table[2];\n          var table3 = table[3];\n          var sbox = table[4]; // Inner rounds. Cribbed from OpenSSL.\n\n          for (i = 0; i < nInnerRounds; i++) {\n            a2 = table0[a >>> 24] ^ table1[b >> 16 & 255] ^ table2[c >> 8 & 255] ^ table3[d & 255] ^ key[kIndex];\n            b2 = table0[b >>> 24] ^ table1[c >> 16 & 255] ^ table2[d >> 8 & 255] ^ table3[a & 255] ^ key[kIndex + 1];\n            c2 = table0[c >>> 24] ^ table1[d >> 16 & 255] ^ table2[a >> 8 & 255] ^ table3[b & 255] ^ key[kIndex + 2];\n            d = table0[d >>> 24] ^ table1[a >> 16 & 255] ^ table2[b >> 8 & 255] ^ table3[c & 255] ^ key[kIndex + 3];\n            kIndex += 4;\n            a = a2;\n            b = b2;\n            c = c2;\n          } // Last round.\n\n\n          for (i = 0; i < 4; i++) {\n            out[(3 & -i) + offset] = sbox[a >>> 24] << 24 ^ sbox[b >> 16 & 255] << 16 ^ sbox[c >> 8 & 255] << 8 ^ sbox[d & 255] ^ key[kIndex++];\n            a2 = a;\n            a = b;\n            b = c;\n            c = d;\n            d = a2;\n          }\n        };\n\n        return AES;\n      }();\n      /**\n       * @file stream.js\n       */\n\n      /**\n       * A lightweight readable stream implemention that handles event dispatching.\n       *\n       * @class Stream\n       */\n\n\n      var Stream = function () {\n        function Stream() {\n          classCallCheck(this, Stream);\n          this.listeners = {};\n        }\n        /**\n         * Add a listener for a specified event type.\n         *\n         * @param {String} type the event name\n         * @param {Function} listener the callback to be invoked when an event of\n         * the specified type occurs\n         */\n\n\n        Stream.prototype.on = function on(type, listener) {\n          if (!this.listeners[type]) {\n            this.listeners[type] = [];\n          }\n\n          this.listeners[type].push(listener);\n        };\n        /**\n         * Remove a listener for a specified event type.\n         *\n         * @param {String} type the event name\n         * @param {Function} listener  a function previously registered for this\n         * type of event through `on`\n         * @return {Boolean} if we could turn it off or not\n         */\n\n\n        Stream.prototype.off = function off(type, listener) {\n          if (!this.listeners[type]) {\n            return false;\n          }\n\n          var index = this.listeners[type].indexOf(listener);\n          this.listeners[type].splice(index, 1);\n          return index > -1;\n        };\n        /**\n         * Trigger an event of the specified type on this stream. Any additional\n         * arguments to this function are passed as parameters to event listeners.\n         *\n         * @param {String} type the event name\n         */\n\n\n        Stream.prototype.trigger = function trigger(type) {\n          var callbacks = this.listeners[type];\n\n          if (!callbacks) {\n            return;\n          } // Slicing the arguments on every invocation of this method\n          // can add a significant amount of overhead. Avoid the\n          // intermediate object creation for the common case of a\n          // single callback argument\n\n\n          if (arguments.length === 2) {\n            var length = callbacks.length;\n\n            for (var i = 0; i < length; ++i) {\n              callbacks[i].call(this, arguments[1]);\n            }\n          } else {\n            var args = Array.prototype.slice.call(arguments, 1);\n            var _length = callbacks.length;\n\n            for (var _i = 0; _i < _length; ++_i) {\n              callbacks[_i].apply(this, args);\n            }\n          }\n        };\n        /**\n         * Destroys the stream and cleans up.\n         */\n\n\n        Stream.prototype.dispose = function dispose() {\n          this.listeners = {};\n        };\n        /**\n         * Forwards all `data` events on this stream to the destination stream. The\n         * destination stream should provide a method `push` to receive the data\n         * events as they arrive.\n         *\n         * @param {Stream} destination the stream that will receive all `data` events\n         * @see http://nodejs.org/api/stream.html#stream_readable_pipe_destination_options\n         */\n\n\n        Stream.prototype.pipe = function pipe(destination) {\n          this.on('data', function (data) {\n            destination.push(data);\n          });\n        };\n\n        return Stream;\n      }();\n      /**\n       * @file async-stream.js\n       */\n\n      /**\n       * A wrapper around the Stream class to use setTiemout\n       * and run stream \"jobs\" Asynchronously\n       *\n       * @class AsyncStream\n       * @extends Stream\n       */\n\n\n      var AsyncStream$$1 = function (_Stream) {\n        inherits(AsyncStream$$1, _Stream);\n\n        function AsyncStream$$1() {\n          classCallCheck(this, AsyncStream$$1);\n\n          var _this = possibleConstructorReturn(this, _Stream.call(this, Stream));\n\n          _this.jobs = [];\n          _this.delay = 1;\n          _this.timeout_ = null;\n          return _this;\n        }\n        /**\n         * process an async job\n         *\n         * @private\n         */\n\n\n        AsyncStream$$1.prototype.processJob_ = function processJob_() {\n          this.jobs.shift()();\n\n          if (this.jobs.length) {\n            this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n          } else {\n            this.timeout_ = null;\n          }\n        };\n        /**\n         * push a job into the stream\n         *\n         * @param {Function} job the job to push into the stream\n         */\n\n\n        AsyncStream$$1.prototype.push = function push(job) {\n          this.jobs.push(job);\n\n          if (!this.timeout_) {\n            this.timeout_ = setTimeout(this.processJob_.bind(this), this.delay);\n          }\n        };\n\n        return AsyncStream$$1;\n      }(Stream);\n      /**\n       * @file decrypter.js\n       *\n       * An asynchronous implementation of AES-128 CBC decryption with\n       * PKCS#7 padding.\n       */\n\n      /**\n       * Convert network-order (big-endian) bytes into their little-endian\n       * representation.\n       */\n\n\n      var ntoh = function ntoh(word) {\n        return word << 24 | (word & 0xff00) << 8 | (word & 0xff0000) >> 8 | word >>> 24;\n      };\n      /**\n       * Decrypt bytes using AES-128 with CBC and PKCS#7 padding.\n       *\n       * @param {Uint8Array} encrypted the encrypted bytes\n       * @param {Uint32Array} key the bytes of the decryption key\n       * @param {Uint32Array} initVector the initialization vector (IV) to\n       * use for the first round of CBC.\n       * @return {Uint8Array} the decrypted bytes\n       *\n       * @see http://en.wikipedia.org/wiki/Advanced_Encryption_Standard\n       * @see http://en.wikipedia.org/wiki/Block_cipher_mode_of_operation#Cipher_Block_Chaining_.28CBC.29\n       * @see https://tools.ietf.org/html/rfc2315\n       */\n\n\n      var decrypt$$1 = function decrypt$$1(encrypted, key, initVector) {\n        // word-level access to the encrypted bytes\n        var encrypted32 = new Int32Array(encrypted.buffer, encrypted.byteOffset, encrypted.byteLength >> 2);\n        var decipher = new AES(Array.prototype.slice.call(key)); // byte and word-level access for the decrypted output\n\n        var decrypted = new Uint8Array(encrypted.byteLength);\n        var decrypted32 = new Int32Array(decrypted.buffer); // temporary variables for working with the IV, encrypted, and\n        // decrypted data\n\n        var init0 = void 0;\n        var init1 = void 0;\n        var init2 = void 0;\n        var init3 = void 0;\n        var encrypted0 = void 0;\n        var encrypted1 = void 0;\n        var encrypted2 = void 0;\n        var encrypted3 = void 0; // iteration variable\n\n        var wordIx = void 0; // pull out the words of the IV to ensure we don't modify the\n        // passed-in reference and easier access\n\n        init0 = initVector[0];\n        init1 = initVector[1];\n        init2 = initVector[2];\n        init3 = initVector[3]; // decrypt four word sequences, applying cipher-block chaining (CBC)\n        // to each decrypted block\n\n        for (wordIx = 0; wordIx < encrypted32.length; wordIx += 4) {\n          // convert big-endian (network order) words into little-endian\n          // (javascript order)\n          encrypted0 = ntoh(encrypted32[wordIx]);\n          encrypted1 = ntoh(encrypted32[wordIx + 1]);\n          encrypted2 = ntoh(encrypted32[wordIx + 2]);\n          encrypted3 = ntoh(encrypted32[wordIx + 3]); // decrypt the block\n\n          decipher.decrypt(encrypted0, encrypted1, encrypted2, encrypted3, decrypted32, wordIx); // XOR with the IV, and restore network byte-order to obtain the\n          // plaintext\n\n          decrypted32[wordIx] = ntoh(decrypted32[wordIx] ^ init0);\n          decrypted32[wordIx + 1] = ntoh(decrypted32[wordIx + 1] ^ init1);\n          decrypted32[wordIx + 2] = ntoh(decrypted32[wordIx + 2] ^ init2);\n          decrypted32[wordIx + 3] = ntoh(decrypted32[wordIx + 3] ^ init3); // setup the IV for the next round\n\n          init0 = encrypted0;\n          init1 = encrypted1;\n          init2 = encrypted2;\n          init3 = encrypted3;\n        }\n\n        return decrypted;\n      };\n      /**\n       * The `Decrypter` class that manages decryption of AES\n       * data through `AsyncStream` objects and the `decrypt`\n       * function\n       *\n       * @param {Uint8Array} encrypted the encrypted bytes\n       * @param {Uint32Array} key the bytes of the decryption key\n       * @param {Uint32Array} initVector the initialization vector (IV) to\n       * @param {Function} done the function to run when done\n       * @class Decrypter\n       */\n\n\n      var Decrypter$$1 = function () {\n        function Decrypter$$1(encrypted, key, initVector, done) {\n          classCallCheck(this, Decrypter$$1);\n          var step = Decrypter$$1.STEP;\n          var encrypted32 = new Int32Array(encrypted.buffer);\n          var decrypted = new Uint8Array(encrypted.byteLength);\n          var i = 0;\n          this.asyncStream_ = new AsyncStream$$1(); // split up the encryption job and do the individual chunks asynchronously\n\n          this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n\n          for (i = step; i < encrypted32.length; i += step) {\n            initVector = new Uint32Array([ntoh(encrypted32[i - 4]), ntoh(encrypted32[i - 3]), ntoh(encrypted32[i - 2]), ntoh(encrypted32[i - 1])]);\n            this.asyncStream_.push(this.decryptChunk_(encrypted32.subarray(i, i + step), key, initVector, decrypted));\n          } // invoke the done() callback when everything is finished\n\n\n          this.asyncStream_.push(function () {\n            // remove pkcs#7 padding from the decrypted bytes\n            done(null, unpad(decrypted));\n          });\n        }\n        /**\n         * a getter for step the maximum number of bytes to process at one time\n         *\n         * @return {Number} the value of step 32000\n         */\n\n        /**\n         * @private\n         */\n\n\n        Decrypter$$1.prototype.decryptChunk_ = function decryptChunk_(encrypted, key, initVector, decrypted) {\n          return function () {\n            var bytes = decrypt$$1(encrypted, key, initVector);\n            decrypted.set(bytes, encrypted.byteOffset);\n          };\n        };\n\n        createClass(Decrypter$$1, null, [{\n          key: 'STEP',\n          get: function get$$1() {\n            // 4 * 8000;\n            return 32000;\n          }\n        }]);\n        return Decrypter$$1;\n      }();\n      /**\n       * @file bin-utils.js\n       */\n\n      /**\n       * Creates an object for sending to a web worker modifying properties that are TypedArrays\n       * into a new object with seperated properties for the buffer, byteOffset, and byteLength.\n       *\n       * @param {Object} message\n       *        Object of properties and values to send to the web worker\n       * @return {Object}\n       *         Modified message with TypedArray values expanded\n       * @function createTransferableMessage\n       */\n\n\n      var createTransferableMessage = function createTransferableMessage(message) {\n        var transferable = {};\n        Object.keys(message).forEach(function (key) {\n          var value = message[key];\n\n          if (ArrayBuffer.isView(value)) {\n            transferable[key] = {\n              bytes: value.buffer,\n              byteOffset: value.byteOffset,\n              byteLength: value.byteLength\n            };\n          } else {\n            transferable[key] = value;\n          }\n        });\n        return transferable;\n      };\n      /**\n       * Our web worker interface so that things can talk to aes-decrypter\n       * that will be running in a web worker. the scope is passed to this by\n       * webworkify.\n       *\n       * @param {Object} self\n       *        the scope for the web worker\n       */\n\n\n      var DecrypterWorker = function DecrypterWorker(self) {\n        self.onmessage = function (event) {\n          var data = event.data;\n          var encrypted = new Uint8Array(data.encrypted.bytes, data.encrypted.byteOffset, data.encrypted.byteLength);\n          var key = new Uint32Array(data.key.bytes, data.key.byteOffset, data.key.byteLength / 4);\n          var iv = new Uint32Array(data.iv.bytes, data.iv.byteOffset, data.iv.byteLength / 4);\n          /* eslint-disable no-new, handle-callback-err */\n\n          new Decrypter$$1(encrypted, key, iv, function (err, bytes) {\n            self.postMessage(createTransferableMessage({\n              source: data.source,\n              decrypted: bytes\n            }), [bytes.buffer]);\n          });\n          /* eslint-enable */\n        };\n      };\n\n      var decrypterWorker = new DecrypterWorker(self);\n      return decrypterWorker;\n    }();\n  });\n  /**\n   * Convert the properties of an HLS track into an audioTrackKind.\n   *\n   * @private\n   */\n\n  var audioTrackKind_ = function audioTrackKind_(properties) {\n    var kind = properties[\"default\"] ? 'main' : 'alternative';\n\n    if (properties.characteristics && properties.characteristics.indexOf('public.accessibility.describes-video') >= 0) {\n      kind = 'main-desc';\n    }\n\n    return kind;\n  };\n  /**\n   * Pause provided segment loader and playlist loader if active\n   *\n   * @param {SegmentLoader} segmentLoader\n   *        SegmentLoader to pause\n   * @param {Object} mediaType\n   *        Active media type\n   * @function stopLoaders\n   */\n\n\n  var stopLoaders = function stopLoaders(segmentLoader, mediaType) {\n    segmentLoader.abort();\n    segmentLoader.pause();\n\n    if (mediaType && mediaType.activePlaylistLoader) {\n      mediaType.activePlaylistLoader.pause();\n      mediaType.activePlaylistLoader = null;\n    }\n  };\n  /**\n   * Start loading provided segment loader and playlist loader\n   *\n   * @param {PlaylistLoader} playlistLoader\n   *        PlaylistLoader to start loading\n   * @param {Object} mediaType\n   *        Active media type\n   * @function startLoaders\n   */\n\n\n  var startLoaders = function startLoaders(playlistLoader, mediaType) {\n    // Segment loader will be started after `loadedmetadata` or `loadedplaylist` from the\n    // playlist loader\n    mediaType.activePlaylistLoader = playlistLoader;\n    playlistLoader.load();\n  };\n  /**\n   * Returns a function to be called when the media group changes. It performs a\n   * non-destructive (preserve the buffer) resync of the SegmentLoader. This is because a\n   * change of group is merely a rendition switch of the same content at another encoding,\n   * rather than a change of content, such as switching audio from English to Spanish.\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Handler for a non-destructive resync of SegmentLoader when the active media\n   *         group changes.\n   * @function onGroupChanged\n   */\n\n\n  var onGroupChanged = function onGroupChanged(type, settings) {\n    return function () {\n      var _settings$segmentLoad = settings.segmentLoaders,\n          segmentLoader = _settings$segmentLoad[type],\n          mainSegmentLoader = _settings$segmentLoad.main,\n          mediaType = settings.mediaTypes[type];\n      var activeTrack = mediaType.activeTrack();\n      var activeGroup = mediaType.activeGroup(activeTrack);\n      var previousActiveLoader = mediaType.activePlaylistLoader;\n      stopLoaders(segmentLoader, mediaType);\n\n      if (!activeGroup) {\n        // there is no group active\n        return;\n      }\n\n      if (!activeGroup.playlistLoader) {\n        if (previousActiveLoader) {\n          // The previous group had a playlist loader but the new active group does not\n          // this means we are switching from demuxed to muxed audio. In this case we want to\n          // do a destructive reset of the main segment loader and not restart the audio\n          // loaders.\n          mainSegmentLoader.resetEverything();\n        }\n\n        return;\n      } // Non-destructive resync\n\n\n      segmentLoader.resyncLoader();\n      startLoaders(activeGroup.playlistLoader, mediaType);\n    };\n  };\n  /**\n   * Returns a function to be called when the media track changes. It performs a\n   * destructive reset of the SegmentLoader to ensure we start loading as close to\n   * currentTime as possible.\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Handler for a destructive reset of SegmentLoader when the active media\n   *         track changes.\n   * @function onTrackChanged\n   */\n\n\n  var onTrackChanged = function onTrackChanged(type, settings) {\n    return function () {\n      var _settings$segmentLoad2 = settings.segmentLoaders,\n          segmentLoader = _settings$segmentLoad2[type],\n          mainSegmentLoader = _settings$segmentLoad2.main,\n          mediaType = settings.mediaTypes[type];\n      var activeTrack = mediaType.activeTrack();\n      var activeGroup = mediaType.activeGroup(activeTrack);\n      var previousActiveLoader = mediaType.activePlaylistLoader;\n      stopLoaders(segmentLoader, mediaType);\n\n      if (!activeGroup) {\n        // there is no group active so we do not want to restart loaders\n        return;\n      }\n\n      if (!activeGroup.playlistLoader) {\n        // when switching from demuxed audio/video to muxed audio/video (noted by no playlist\n        // loader for the audio group), we want to do a destructive reset of the main segment\n        // loader and not restart the audio loaders\n        mainSegmentLoader.resetEverything();\n        return;\n      }\n\n      if (previousActiveLoader === activeGroup.playlistLoader) {\n        // Nothing has actually changed. This can happen because track change events can fire\n        // multiple times for a \"single\" change. One for enabling the new active track, and\n        // one for disabling the track that was active\n        startLoaders(activeGroup.playlistLoader, mediaType);\n        return;\n      }\n\n      if (segmentLoader.track) {\n        // For WebVTT, set the new text track in the segmentloader\n        segmentLoader.track(activeTrack);\n      } // destructive reset\n\n\n      segmentLoader.resetEverything();\n      startLoaders(activeGroup.playlistLoader, mediaType);\n    };\n  };\n\n  var onError = {\n    /**\n     * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters\n     * an error.\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Error handler. Logs warning (or error if the playlist is blacklisted) to\n     *         console and switches back to default audio track.\n     * @function onError.AUDIO\n     */\n    AUDIO: function AUDIO(type, settings) {\n      return function () {\n        var segmentLoader = settings.segmentLoaders[type],\n            mediaType = settings.mediaTypes[type],\n            blacklistCurrentPlaylist = settings.blacklistCurrentPlaylist;\n        stopLoaders(segmentLoader, mediaType); // switch back to default audio track\n\n        var activeTrack = mediaType.activeTrack();\n        var activeGroup = mediaType.activeGroup();\n        var id = (activeGroup.filter(function (group) {\n          return group[\"default\"];\n        })[0] || activeGroup[0]).id;\n        var defaultTrack = mediaType.tracks[id];\n\n        if (activeTrack === defaultTrack) {\n          // Default track encountered an error. All we can do now is blacklist the current\n          // rendition and hope another will switch audio groups\n          blacklistCurrentPlaylist({\n            message: 'Problem encountered loading the default audio track.'\n          });\n          return;\n        }\n\n        videojs$1.log.warn('Problem encountered loading the alternate audio track.' + 'Switching back to default.');\n\n        for (var trackId in mediaType.tracks) {\n          mediaType.tracks[trackId].enabled = mediaType.tracks[trackId] === defaultTrack;\n        }\n\n        mediaType.onTrackChanged();\n      };\n    },\n\n    /**\n     * Returns a function to be called when a SegmentLoader or PlaylistLoader encounters\n     * an error.\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Error handler. Logs warning to console and disables the active subtitle track\n     * @function onError.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, settings) {\n      return function () {\n        var segmentLoader = settings.segmentLoaders[type],\n            mediaType = settings.mediaTypes[type];\n        videojs$1.log.warn('Problem encountered loading the subtitle track.' + 'Disabling subtitle track.');\n        stopLoaders(segmentLoader, mediaType);\n        var track = mediaType.activeTrack();\n\n        if (track) {\n          track.mode = 'disabled';\n        }\n\n        mediaType.onTrackChanged();\n      };\n    }\n  };\n  var setupListeners = {\n    /**\n     * Setup event listeners for audio playlist loader\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {PlaylistLoader|null} playlistLoader\n     *        PlaylistLoader to register listeners on\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function setupListeners.AUDIO\n     */\n    AUDIO: function AUDIO(type, playlistLoader, settings) {\n      if (!playlistLoader) {\n        // no playlist loader means audio will be muxed with the video\n        return;\n      }\n\n      var tech = settings.tech,\n          requestOptions = settings.requestOptions,\n          segmentLoader = settings.segmentLoaders[type];\n      playlistLoader.on('loadedmetadata', function () {\n        var media = playlistLoader.media();\n        segmentLoader.playlist(media, requestOptions); // if the video is already playing, or if this isn't a live video and preload\n        // permits, start downloading segments\n\n        if (!tech.paused() || media.endList && tech.preload() !== 'none') {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('loadedplaylist', function () {\n        segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running\n\n        if (!tech.paused()) {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup event listeners for subtitle playlist loader\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {PlaylistLoader|null} playlistLoader\n     *        PlaylistLoader to register listeners on\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function setupListeners.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, playlistLoader, settings) {\n      var tech = settings.tech,\n          requestOptions = settings.requestOptions,\n          segmentLoader = settings.segmentLoaders[type],\n          mediaType = settings.mediaTypes[type];\n      playlistLoader.on('loadedmetadata', function () {\n        var media = playlistLoader.media();\n        segmentLoader.playlist(media, requestOptions);\n        segmentLoader.track(mediaType.activeTrack()); // if the video is already playing, or if this isn't a live video and preload\n        // permits, start downloading segments\n\n        if (!tech.paused() || media.endList && tech.preload() !== 'none') {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('loadedplaylist', function () {\n        segmentLoader.playlist(playlistLoader.media(), requestOptions); // If the player isn't paused, ensure that the segment loader is running\n\n        if (!tech.paused()) {\n          segmentLoader.load();\n        }\n      });\n      playlistLoader.on('error', onError[type](type, settings));\n    }\n  };\n  var initialize = {\n    /**\n     * Setup PlaylistLoaders and AudioTracks for the audio groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize.AUDIO\n     */\n    'AUDIO': function AUDIO(type, settings) {\n      var hls = settings.hls,\n          sourceType = settings.sourceType,\n          segmentLoader = settings.segmentLoaders[type],\n          requestOptions = settings.requestOptions,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$ = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$.groups,\n          tracks = _settings$mediaTypes$.tracks,\n          masterPlaylistLoader = settings.masterPlaylistLoader; // force a default if we have none\n\n      if (!mediaGroups[type] || Object.keys(mediaGroups[type]).length === 0) {\n        mediaGroups[type] = {\n          main: {\n            \"default\": {\n              \"default\": true\n            }\n          }\n        };\n      }\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        } // List of playlists that have an AUDIO attribute value matching the current\n        // group ID\n\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          var properties = mediaGroups[type][groupId][variantLabel];\n          var playlistLoader = void 0;\n\n          if (properties.resolvedUri) {\n            playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);\n          } else if (properties.playlists && sourceType === 'dash') {\n            playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);\n          } else {\n            // no resolvedUri means the audio is muxed with the video when using this\n            // audio track\n            playlistLoader = null;\n          }\n\n          properties = videojs$1.mergeOptions({\n            id: variantLabel,\n            playlistLoader: playlistLoader\n          }, properties);\n          setupListeners[type](type, properties.playlistLoader, settings);\n          groups[groupId].push(properties);\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = new videojs$1.AudioTrack({\n              id: variantLabel,\n              kind: audioTrackKind_(properties),\n              enabled: false,\n              language: properties.language,\n              \"default\": properties[\"default\"],\n              label: variantLabel\n            });\n            tracks[variantLabel] = track;\n          }\n        }\n      } // setup single error event handler for the segment loader\n\n\n      segmentLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup PlaylistLoaders and TextTracks for the subtitle groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize.SUBTITLES\n     */\n    'SUBTITLES': function SUBTITLES(type, settings) {\n      var tech = settings.tech,\n          hls = settings.hls,\n          sourceType = settings.sourceType,\n          segmentLoader = settings.segmentLoaders[type],\n          requestOptions = settings.requestOptions,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$2 = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$2.groups,\n          tracks = _settings$mediaTypes$2.tracks,\n          masterPlaylistLoader = settings.masterPlaylistLoader;\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        }\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          if (mediaGroups[type][groupId][variantLabel].forced) {\n            // Subtitle playlists with the forced attribute are not selectable in Safari.\n            // According to Apple's HLS Authoring Specification:\n            //   If content has forced subtitles and regular subtitles in a given language,\n            //   the regular subtitles track in that language MUST contain both the forced\n            //   subtitles and the regular subtitles for that language.\n            // Because of this requirement and that Safari does not add forced subtitles,\n            // forced subtitles are skipped here to maintain consistent experience across\n            // all platforms\n            continue;\n          }\n\n          var properties = mediaGroups[type][groupId][variantLabel];\n          var playlistLoader = void 0;\n\n          if (sourceType === 'hls') {\n            playlistLoader = new PlaylistLoader(properties.resolvedUri, hls, requestOptions);\n          } else if (sourceType === 'dash') {\n            playlistLoader = new DashPlaylistLoader(properties.playlists[0], hls, requestOptions, masterPlaylistLoader);\n          }\n\n          properties = videojs$1.mergeOptions({\n            id: variantLabel,\n            playlistLoader: playlistLoader\n          }, properties);\n          setupListeners[type](type, properties.playlistLoader, settings);\n          groups[groupId].push(properties);\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = tech.addRemoteTextTrack({\n              id: variantLabel,\n              kind: 'subtitles',\n              \"default\": properties[\"default\"] && properties.autoselect,\n              language: properties.language,\n              label: variantLabel\n            }, false).track;\n            tracks[variantLabel] = track;\n          }\n        }\n      } // setup single error event handler for the segment loader\n\n\n      segmentLoader.on('error', onError[type](type, settings));\n    },\n\n    /**\n     * Setup TextTracks for the closed-caption groups\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @function initialize['CLOSED-CAPTIONS']\n     */\n    'CLOSED-CAPTIONS': function CLOSEDCAPTIONS(type, settings) {\n      var tech = settings.tech,\n          mediaGroups = settings.master.mediaGroups,\n          _settings$mediaTypes$3 = settings.mediaTypes[type],\n          groups = _settings$mediaTypes$3.groups,\n          tracks = _settings$mediaTypes$3.tracks;\n\n      for (var groupId in mediaGroups[type]) {\n        if (!groups[groupId]) {\n          groups[groupId] = [];\n        }\n\n        for (var variantLabel in mediaGroups[type][groupId]) {\n          var properties = mediaGroups[type][groupId][variantLabel]; // We only support CEA608 captions for now, so ignore anything that\n          // doesn't use a CCx INSTREAM-ID\n\n          if (!properties.instreamId.match(/CC\\d/)) {\n            continue;\n          } // No PlaylistLoader is required for Closed-Captions because the captions are\n          // embedded within the video stream\n\n\n          groups[groupId].push(videojs$1.mergeOptions({\n            id: variantLabel\n          }, properties));\n\n          if (typeof tracks[variantLabel] === 'undefined') {\n            var track = tech.addRemoteTextTrack({\n              id: properties.instreamId,\n              kind: 'captions',\n              \"default\": properties[\"default\"] && properties.autoselect,\n              language: properties.language,\n              label: variantLabel\n            }, false).track;\n            tracks[variantLabel] = track;\n          }\n        }\n      }\n    }\n  };\n  /**\n   * Returns a function used to get the active group of the provided type\n   *\n   * @param {String} type\n   *        MediaGroup type\n   * @param {Object} settings\n   *        Object containing required information for media groups\n   * @return {Function}\n   *         Function that returns the active media group for the provided type. Takes an\n   *         optional parameter {TextTrack} track. If no track is provided, a list of all\n   *         variants in the group, otherwise the variant corresponding to the provided\n   *         track is returned.\n   * @function activeGroup\n   */\n\n  var activeGroup = function activeGroup(type, settings) {\n    return function (track) {\n      var masterPlaylistLoader = settings.masterPlaylistLoader,\n          groups = settings.mediaTypes[type].groups;\n      var media = masterPlaylistLoader.media();\n\n      if (!media) {\n        return null;\n      }\n\n      var variants = null;\n\n      if (media.attributes[type]) {\n        variants = groups[media.attributes[type]];\n      }\n\n      variants = variants || groups.main;\n\n      if (typeof track === 'undefined') {\n        return variants;\n      }\n\n      if (track === null) {\n        // An active track was specified so a corresponding group is expected. track === null\n        // means no track is currently active so there is no corresponding group\n        return null;\n      }\n\n      return variants.filter(function (props) {\n        return props.id === track.id;\n      })[0] || null;\n    };\n  };\n\n  var activeTrack = {\n    /**\n     * Returns a function used to get the active track of type provided\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Function that returns the active media track for the provided type. Returns\n     *         null if no track is active\n     * @function activeTrack.AUDIO\n     */\n    AUDIO: function AUDIO(type, settings) {\n      return function () {\n        var tracks = settings.mediaTypes[type].tracks;\n\n        for (var id in tracks) {\n          if (tracks[id].enabled) {\n            return tracks[id];\n          }\n        }\n\n        return null;\n      };\n    },\n\n    /**\n     * Returns a function used to get the active track of type provided\n     *\n     * @param {String} type\n     *        MediaGroup type\n     * @param {Object} settings\n     *        Object containing required information for media groups\n     * @return {Function}\n     *         Function that returns the active media track for the provided type. Returns\n     *         null if no track is active\n     * @function activeTrack.SUBTITLES\n     */\n    SUBTITLES: function SUBTITLES(type, settings) {\n      return function () {\n        var tracks = settings.mediaTypes[type].tracks;\n\n        for (var id in tracks) {\n          if (tracks[id].mode === 'showing' || tracks[id].mode === 'hidden') {\n            return tracks[id];\n          }\n        }\n\n        return null;\n      };\n    }\n  };\n  /**\n   * Setup PlaylistLoaders and Tracks for media groups (Audio, Subtitles,\n   * Closed-Captions) specified in the master manifest.\n   *\n   * @param {Object} settings\n   *        Object containing required information for setting up the media groups\n   * @param {SegmentLoader} settings.segmentLoaders.AUDIO\n   *        Audio segment loader\n   * @param {SegmentLoader} settings.segmentLoaders.SUBTITLES\n   *        Subtitle segment loader\n   * @param {SegmentLoader} settings.segmentLoaders.main\n   *        Main segment loader\n   * @param {Tech} settings.tech\n   *        The tech of the player\n   * @param {Object} settings.requestOptions\n   *        XHR request options used by the segment loaders\n   * @param {PlaylistLoader} settings.masterPlaylistLoader\n   *        PlaylistLoader for the master source\n   * @param {HlsHandler} settings.hls\n   *        HLS SourceHandler\n   * @param {Object} settings.master\n   *        The parsed master manifest\n   * @param {Object} settings.mediaTypes\n   *        Object to store the loaders, tracks, and utility methods for each media type\n   * @param {Function} settings.blacklistCurrentPlaylist\n   *        Blacklists the current rendition and forces a rendition switch.\n   * @function setupMediaGroups\n   */\n\n  var setupMediaGroups = function setupMediaGroups(settings) {\n    ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {\n      initialize[type](type, settings);\n    });\n    var mediaTypes = settings.mediaTypes,\n        masterPlaylistLoader = settings.masterPlaylistLoader,\n        tech = settings.tech,\n        hls = settings.hls; // setup active group and track getters and change event handlers\n\n    ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n      mediaTypes[type].activeGroup = activeGroup(type, settings);\n      mediaTypes[type].activeTrack = activeTrack[type](type, settings);\n      mediaTypes[type].onGroupChanged = onGroupChanged(type, settings);\n      mediaTypes[type].onTrackChanged = onTrackChanged(type, settings);\n    }); // DO NOT enable the default subtitle or caption track.\n    // DO enable the default audio track\n\n    var audioGroup = mediaTypes.AUDIO.activeGroup();\n    var groupId = (audioGroup.filter(function (group) {\n      return group[\"default\"];\n    })[0] || audioGroup[0]).id;\n    mediaTypes.AUDIO.tracks[groupId].enabled = true;\n    mediaTypes.AUDIO.onTrackChanged();\n    masterPlaylistLoader.on('mediachange', function () {\n      ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n        return mediaTypes[type].onGroupChanged();\n      });\n    }); // custom audio track change event handler for usage event\n\n    var onAudioTrackChanged = function onAudioTrackChanged() {\n      mediaTypes.AUDIO.onTrackChanged();\n      tech.trigger({\n        type: 'usage',\n        name: 'hls-audio-change'\n      });\n    };\n\n    tech.audioTracks().addEventListener('change', onAudioTrackChanged);\n    tech.remoteTextTracks().addEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);\n    hls.on('dispose', function () {\n      tech.audioTracks().removeEventListener('change', onAudioTrackChanged);\n      tech.remoteTextTracks().removeEventListener('change', mediaTypes.SUBTITLES.onTrackChanged);\n    }); // clear existing audio tracks and add the ones we just created\n\n    tech.clearTracks('audio');\n\n    for (var id in mediaTypes.AUDIO.tracks) {\n      tech.audioTracks().addTrack(mediaTypes.AUDIO.tracks[id]);\n    }\n  };\n  /**\n   * Creates skeleton object used to store the loaders, tracks, and utility methods for each\n   * media type\n   *\n   * @return {Object}\n   *         Object to store the loaders, tracks, and utility methods for each media type\n   * @function createMediaTypes\n   */\n\n\n  var createMediaTypes = function createMediaTypes() {\n    var mediaTypes = {};\n    ['AUDIO', 'SUBTITLES', 'CLOSED-CAPTIONS'].forEach(function (type) {\n      mediaTypes[type] = {\n        groups: {},\n        tracks: {},\n        activePlaylistLoader: null,\n        activeGroup: noop$1,\n        activeTrack: noop$1,\n        onGroupChanged: noop$1,\n        onTrackChanged: noop$1\n      };\n    });\n    return mediaTypes;\n  };\n  /**\n   * @file master-playlist-controller.js\n   */\n\n\n  var ABORT_EARLY_BLACKLIST_SECONDS = 60 * 2;\n  var Hls = void 0; // SegmentLoader stats that need to have each loader's\n  // values summed to calculate the final value\n\n  var loaderStats = ['mediaRequests', 'mediaRequestsAborted', 'mediaRequestsTimedout', 'mediaRequestsErrored', 'mediaTransferDuration', 'mediaBytesTransferred'];\n\n  var sumLoaderStat = function sumLoaderStat(stat) {\n    return this.audioSegmentLoader_[stat] + this.mainSegmentLoader_[stat];\n  };\n  /**\n   * the master playlist controller controller all interactons\n   * between playlists and segmentloaders. At this time this mainly\n   * involves a master playlist and a series of audio playlists\n   * if they are available\n   *\n   * @class MasterPlaylistController\n   * @extends videojs.EventTarget\n   */\n\n\n  var MasterPlaylistController = function (_videojs$EventTarget) {\n    inherits$2(MasterPlaylistController, _videojs$EventTarget);\n\n    function MasterPlaylistController(options) {\n      classCallCheck$1(this, MasterPlaylistController);\n\n      var _this = possibleConstructorReturn$1(this, (MasterPlaylistController.__proto__ || Object.getPrototypeOf(MasterPlaylistController)).call(this));\n\n      var url = options.url,\n          handleManifestRedirects = options.handleManifestRedirects,\n          withCredentials = options.withCredentials,\n          tech = options.tech,\n          bandwidth = options.bandwidth,\n          externHls = options.externHls,\n          useCueTags = options.useCueTags,\n          blacklistDuration = options.blacklistDuration,\n          enableLowInitialPlaylist = options.enableLowInitialPlaylist,\n          sourceType = options.sourceType,\n          seekTo = options.seekTo,\n          cacheEncryptionKeys = options.cacheEncryptionKeys;\n\n      if (!url) {\n        throw new Error('A non-empty playlist URL is required');\n      }\n\n      Hls = externHls;\n      _this.withCredentials = withCredentials;\n      _this.tech_ = tech;\n      _this.hls_ = tech.hls;\n      _this.seekTo_ = seekTo;\n      _this.sourceType_ = sourceType;\n      _this.useCueTags_ = useCueTags;\n      _this.blacklistDuration = blacklistDuration;\n      _this.enableLowInitialPlaylist = enableLowInitialPlaylist;\n\n      if (_this.useCueTags_) {\n        _this.cueTagsTrack_ = _this.tech_.addTextTrack('metadata', 'ad-cues');\n        _this.cueTagsTrack_.inBandMetadataTrackDispatchType = '';\n      }\n\n      _this.requestOptions_ = {\n        withCredentials: withCredentials,\n        handleManifestRedirects: handleManifestRedirects,\n        timeout: null\n      };\n      _this.mediaTypes_ = createMediaTypes();\n      _this.mediaSource = new videojs$1.MediaSource(); // load the media source into the player\n\n      _this.mediaSource.addEventListener('sourceopen', _this.handleSourceOpen_.bind(_this));\n\n      _this.seekable_ = videojs$1.createTimeRanges();\n      _this.hasPlayed_ = false;\n      _this.syncController_ = new SyncController(options);\n      _this.segmentMetadataTrack_ = tech.addRemoteTextTrack({\n        kind: 'metadata',\n        label: 'segment-metadata'\n      }, false).track;\n      _this.decrypter_ = new Decrypter$1();\n      _this.inbandTextTracks_ = {};\n      var segmentLoaderSettings = {\n        hls: _this.hls_,\n        mediaSource: _this.mediaSource,\n        currentTime: _this.tech_.currentTime.bind(_this.tech_),\n        seekable: function seekable$$1() {\n          return _this.seekable();\n        },\n        seeking: function seeking() {\n          return _this.tech_.seeking();\n        },\n        duration: function duration$$1() {\n          return _this.mediaSource.duration;\n        },\n        hasPlayed: function hasPlayed() {\n          return _this.hasPlayed_;\n        },\n        goalBufferLength: function goalBufferLength() {\n          return _this.goalBufferLength();\n        },\n        bandwidth: bandwidth,\n        syncController: _this.syncController_,\n        decrypter: _this.decrypter_,\n        sourceType: _this.sourceType_,\n        inbandTextTracks: _this.inbandTextTracks_,\n        cacheEncryptionKeys: cacheEncryptionKeys\n      };\n      _this.masterPlaylistLoader_ = _this.sourceType_ === 'dash' ? new DashPlaylistLoader(url, _this.hls_, _this.requestOptions_) : new PlaylistLoader(url, _this.hls_, _this.requestOptions_);\n\n      _this.setupMasterPlaylistLoaderListeners_(); // setup segment loaders\n      // combined audio/video or just video when alternate audio track is selected\n\n\n      _this.mainSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        segmentMetadataTrack: _this.segmentMetadataTrack_,\n        loaderType: 'main'\n      }), options); // alternate audio track\n\n      _this.audioSegmentLoader_ = new SegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        loaderType: 'audio'\n      }), options);\n      _this.subtitleSegmentLoader_ = new VTTSegmentLoader(videojs$1.mergeOptions(segmentLoaderSettings, {\n        loaderType: 'vtt',\n        featuresNativeTextTracks: _this.tech_.featuresNativeTextTracks\n      }), options);\n\n      _this.setupSegmentLoaderListeners_(); // Create SegmentLoader stat-getters\n\n\n      loaderStats.forEach(function (stat) {\n        _this[stat + '_'] = sumLoaderStat.bind(_this, stat);\n      });\n      _this.logger_ = logger('MPC');\n\n      _this.masterPlaylistLoader_.load();\n\n      return _this;\n    }\n    /**\n     * Register event handlers on the master playlist loader. A helper\n     * function for construction time.\n     *\n     * @private\n     */\n\n\n    createClass$1(MasterPlaylistController, [{\n      key: 'setupMasterPlaylistLoaderListeners_',\n      value: function setupMasterPlaylistLoaderListeners_() {\n        var _this2 = this;\n\n        this.masterPlaylistLoader_.on('loadedmetadata', function () {\n          var media = _this2.masterPlaylistLoader_.media();\n\n          var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to\n          // timeout the request.\n\n          if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {\n            _this2.requestOptions_.timeout = 0;\n          } else {\n            _this2.requestOptions_.timeout = requestTimeout;\n          } // if this isn't a live video and preload permits, start\n          // downloading segments\n\n\n          if (media.endList && _this2.tech_.preload() !== 'none') {\n            _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);\n\n            _this2.mainSegmentLoader_.load();\n          }\n\n          setupMediaGroups({\n            sourceType: _this2.sourceType_,\n            segmentLoaders: {\n              AUDIO: _this2.audioSegmentLoader_,\n              SUBTITLES: _this2.subtitleSegmentLoader_,\n              main: _this2.mainSegmentLoader_\n            },\n            tech: _this2.tech_,\n            requestOptions: _this2.requestOptions_,\n            masterPlaylistLoader: _this2.masterPlaylistLoader_,\n            hls: _this2.hls_,\n            master: _this2.master(),\n            mediaTypes: _this2.mediaTypes_,\n            blacklistCurrentPlaylist: _this2.blacklistCurrentPlaylist.bind(_this2)\n          });\n\n          _this2.triggerPresenceUsage_(_this2.master(), media);\n\n          try {\n            _this2.setupSourceBuffers_();\n          } catch (e) {\n            videojs$1.log.warn('Failed to create SourceBuffers', e);\n            return _this2.mediaSource.endOfStream('decode');\n          }\n\n          _this2.setupFirstPlay();\n\n          if (!_this2.mediaTypes_.AUDIO.activePlaylistLoader || _this2.mediaTypes_.AUDIO.activePlaylistLoader.media()) {\n            _this2.trigger('selectedinitialmedia');\n          } else {\n            // We must wait for the active audio playlist loader to\n            // finish setting up before triggering this event so the\n            // representations API and EME setup is correct\n            _this2.mediaTypes_.AUDIO.activePlaylistLoader.one('loadedmetadata', function () {\n              _this2.trigger('selectedinitialmedia');\n            });\n          }\n        });\n        this.masterPlaylistLoader_.on('loadedplaylist', function () {\n          var updatedPlaylist = _this2.masterPlaylistLoader_.media();\n\n          if (!updatedPlaylist) {\n            // blacklist any variants that are not supported by the browser before selecting\n            // an initial media as the playlist selectors do not consider browser support\n            _this2.excludeUnsupportedVariants_();\n\n            var selectedMedia = void 0;\n\n            if (_this2.enableLowInitialPlaylist) {\n              selectedMedia = _this2.selectInitialPlaylist();\n            }\n\n            if (!selectedMedia) {\n              selectedMedia = _this2.selectPlaylist();\n            }\n\n            _this2.initialMedia_ = selectedMedia;\n\n            _this2.masterPlaylistLoader_.media(_this2.initialMedia_);\n\n            return;\n          }\n\n          if (_this2.useCueTags_) {\n            _this2.updateAdCues_(updatedPlaylist);\n          } // TODO: Create a new event on the PlaylistLoader that signals\n          // that the segments have changed in some way and use that to\n          // update the SegmentLoader instead of doing it twice here and\n          // on `mediachange`\n\n\n          _this2.mainSegmentLoader_.playlist(updatedPlaylist, _this2.requestOptions_);\n\n          _this2.updateDuration(); // If the player isn't paused, ensure that the segment loader is running,\n          // as it is possible that it was temporarily stopped while waiting for\n          // a playlist (e.g., in case the playlist errored and we re-requested it).\n\n\n          if (!_this2.tech_.paused()) {\n            _this2.mainSegmentLoader_.load();\n\n            if (_this2.audioSegmentLoader_) {\n              _this2.audioSegmentLoader_.load();\n            }\n          }\n\n          if (!updatedPlaylist.endList) {\n            var addSeekableRange = function addSeekableRange() {\n              var seekable$$1 = _this2.seekable();\n\n              if (seekable$$1.length !== 0) {\n                _this2.mediaSource.addSeekableRange_(seekable$$1.start(0), seekable$$1.end(0));\n              }\n            };\n\n            if (_this2.duration() !== Infinity) {\n              var onDurationchange = function onDurationchange() {\n                if (_this2.duration() === Infinity) {\n                  addSeekableRange();\n                } else {\n                  _this2.tech_.one('durationchange', onDurationchange);\n                }\n              };\n\n              _this2.tech_.one('durationchange', onDurationchange);\n            } else {\n              addSeekableRange();\n            }\n          }\n        });\n        this.masterPlaylistLoader_.on('error', function () {\n          _this2.blacklistCurrentPlaylist(_this2.masterPlaylistLoader_.error);\n        });\n        this.masterPlaylistLoader_.on('mediachanging', function () {\n          _this2.mainSegmentLoader_.abort();\n\n          _this2.mainSegmentLoader_.pause();\n        });\n        this.masterPlaylistLoader_.on('mediachange', function () {\n          var media = _this2.masterPlaylistLoader_.media();\n\n          var requestTimeout = media.targetDuration * 1.5 * 1000; // If we don't have any more available playlists, we don't want to\n          // timeout the request.\n\n          if (isLowestEnabledRendition(_this2.masterPlaylistLoader_.master, _this2.masterPlaylistLoader_.media())) {\n            _this2.requestOptions_.timeout = 0;\n          } else {\n            _this2.requestOptions_.timeout = requestTimeout;\n          } // TODO: Create a new event on the PlaylistLoader that signals\n          // that the segments have changed in some way and use that to\n          // update the SegmentLoader instead of doing it twice here and\n          // on `loadedplaylist`\n\n\n          _this2.mainSegmentLoader_.playlist(media, _this2.requestOptions_);\n\n          _this2.mainSegmentLoader_.load();\n\n          _this2.tech_.trigger({\n            type: 'mediachange',\n            bubbles: true\n          });\n        });\n        this.masterPlaylistLoader_.on('playlistunchanged', function () {\n          var updatedPlaylist = _this2.masterPlaylistLoader_.media();\n\n          var playlistOutdated = _this2.stuckAtPlaylistEnd_(updatedPlaylist);\n\n          if (playlistOutdated) {\n            // Playlist has stopped updating and we're stuck at its end. Try to\n            // blacklist it and switch to another playlist in the hope that that\n            // one is updating (and give the player a chance to re-adjust to the\n            // safe live point).\n            _this2.blacklistCurrentPlaylist({\n              message: 'Playlist no longer updating.'\n            }); // useful for monitoring QoS\n\n\n            _this2.tech_.trigger('playliststuck');\n          }\n        });\n        this.masterPlaylistLoader_.on('renditiondisabled', function () {\n          _this2.tech_.trigger({\n            type: 'usage',\n            name: 'hls-rendition-disabled'\n          });\n        });\n        this.masterPlaylistLoader_.on('renditionenabled', function () {\n          _this2.tech_.trigger({\n            type: 'usage',\n            name: 'hls-rendition-enabled'\n          });\n        });\n      }\n      /**\n       * A helper function for triggerring presence usage events once per source\n       *\n       * @private\n       */\n\n    }, {\n      key: 'triggerPresenceUsage_',\n      value: function triggerPresenceUsage_(master, media) {\n        var mediaGroups = master.mediaGroups || {};\n        var defaultDemuxed = true;\n        var audioGroupKeys = Object.keys(mediaGroups.AUDIO);\n\n        for (var mediaGroup in mediaGroups.AUDIO) {\n          for (var label in mediaGroups.AUDIO[mediaGroup]) {\n            var properties = mediaGroups.AUDIO[mediaGroup][label];\n\n            if (!properties.uri) {\n              defaultDemuxed = false;\n            }\n          }\n        }\n\n        if (defaultDemuxed) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-demuxed'\n          });\n        }\n\n        if (Object.keys(mediaGroups.SUBTITLES).length) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-webvtt'\n          });\n        }\n\n        if (Hls.Playlist.isAes(media)) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-aes'\n          });\n        }\n\n        if (Hls.Playlist.isFmp4(media)) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-fmp4'\n          });\n        }\n\n        if (audioGroupKeys.length && Object.keys(mediaGroups.AUDIO[audioGroupKeys[0]]).length > 1) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-alternate-audio'\n          });\n        }\n\n        if (this.useCueTags_) {\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-playlist-cue-tags'\n          });\n        }\n      }\n      /**\n       * Register event handlers on the segment loaders. A helper function\n       * for construction time.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'setupSegmentLoaderListeners_',\n      value: function setupSegmentLoaderListeners_() {\n        var _this3 = this;\n\n        this.mainSegmentLoader_.on('bandwidthupdate', function () {\n          var nextPlaylist = _this3.selectPlaylist();\n\n          var currentPlaylist = _this3.masterPlaylistLoader_.media();\n\n          var buffered = _this3.tech_.buffered();\n\n          var forwardBuffer = buffered.length ? buffered.end(buffered.length - 1) - _this3.tech_.currentTime() : 0;\n\n          var bufferLowWaterLine = _this3.bufferLowWaterLine(); // If the playlist is live, then we want to not take low water line into account.\n          // This is because in LIVE, the player plays 3 segments from the end of the\n          // playlist, and if `BUFFER_LOW_WATER_LINE` is greater than the duration availble\n          // in those segments, a viewer will never experience a rendition upswitch.\n\n\n          if (!currentPlaylist.endList || // For the same reason as LIVE, we ignore the low water line when the VOD\n          // duration is below the max potential low water line\n          _this3.duration() < Config.MAX_BUFFER_LOW_WATER_LINE || // we want to switch down to lower resolutions quickly to continue playback, but\n          nextPlaylist.attributes.BANDWIDTH < currentPlaylist.attributes.BANDWIDTH || // ensure we have some buffer before we switch up to prevent us running out of\n          // buffer while loading a higher rendition.\n          forwardBuffer >= bufferLowWaterLine) {\n            _this3.masterPlaylistLoader_.media(nextPlaylist);\n          }\n\n          _this3.tech_.trigger('bandwidthupdate');\n        });\n        this.mainSegmentLoader_.on('progress', function () {\n          _this3.trigger('progress');\n        });\n        this.mainSegmentLoader_.on('error', function () {\n          _this3.blacklistCurrentPlaylist(_this3.mainSegmentLoader_.error());\n        });\n        this.mainSegmentLoader_.on('syncinfoupdate', function () {\n          _this3.onSyncInfoUpdate_();\n        });\n        this.mainSegmentLoader_.on('timestampoffset', function () {\n          _this3.tech_.trigger({\n            type: 'usage',\n            name: 'hls-timestamp-offset'\n          });\n        });\n        this.audioSegmentLoader_.on('syncinfoupdate', function () {\n          _this3.onSyncInfoUpdate_();\n        });\n        this.mainSegmentLoader_.on('ended', function () {\n          _this3.onEndOfStream();\n        });\n        this.mainSegmentLoader_.on('earlyabort', function () {\n          _this3.blacklistCurrentPlaylist({\n            message: 'Aborted early because there isn\\'t enough bandwidth to complete the ' + 'request without rebuffering.'\n          }, ABORT_EARLY_BLACKLIST_SECONDS);\n        });\n        this.mainSegmentLoader_.on('reseteverything', function () {\n          // If playing an MTS stream, a videojs.MediaSource is listening for\n          // hls-reset to reset caption parsing state in the transmuxer\n          _this3.tech_.trigger('hls-reset');\n        });\n        this.mainSegmentLoader_.on('segmenttimemapping', function (event) {\n          // If playing an MTS stream in html, a videojs.MediaSource is listening for\n          // hls-segment-time-mapping update its internal mapping of stream to display time\n          _this3.tech_.trigger({\n            type: 'hls-segment-time-mapping',\n            mapping: event.mapping\n          });\n        });\n        this.audioSegmentLoader_.on('ended', function () {\n          _this3.onEndOfStream();\n        });\n      }\n    }, {\n      key: 'mediaSecondsLoaded_',\n      value: function mediaSecondsLoaded_() {\n        return Math.max(this.audioSegmentLoader_.mediaSecondsLoaded + this.mainSegmentLoader_.mediaSecondsLoaded);\n      }\n      /**\n       * Call load on our SegmentLoaders\n       */\n\n    }, {\n      key: 'load',\n      value: function load() {\n        this.mainSegmentLoader_.load();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.load();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.load();\n        }\n      }\n      /**\n       * Re-tune playback quality level for the current player\n       * conditions without performing destructive actions, like\n       * removing already buffered content\n       *\n       * @private\n       */\n\n    }, {\n      key: 'smoothQualityChange_',\n      value: function smoothQualityChange_() {\n        var media = this.selectPlaylist();\n\n        if (media !== this.masterPlaylistLoader_.media()) {\n          this.masterPlaylistLoader_.media(media);\n          this.mainSegmentLoader_.resetLoader(); // don't need to reset audio as it is reset when media changes\n        }\n      }\n      /**\n       * Re-tune playback quality level for the current player\n       * conditions. This method will perform destructive actions like removing\n       * already buffered content in order to readjust the currently active\n       * playlist quickly. This is good for manual quality changes\n       *\n       * @private\n       */\n\n    }, {\n      key: 'fastQualityChange_',\n      value: function fastQualityChange_() {\n        var _this4 = this;\n\n        var media = this.selectPlaylist();\n\n        if (media === this.masterPlaylistLoader_.media()) {\n          return;\n        }\n\n        this.masterPlaylistLoader_.media(media); // Delete all buffered data to allow an immediate quality switch, then seek to give\n        // the browser a kick to remove any cached frames from the previous rendtion (.04 seconds\n        // ahead is roughly the minimum that will accomplish this across a variety of content\n        // in IE and Edge, but seeking in place is sufficient on all other browsers)\n        // Edge/IE bug: https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/14600375/\n        // Chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=651904\n\n        this.mainSegmentLoader_.resetEverything(function () {\n          // Since this is not a typical seek, we avoid the seekTo method which can cause segments\n          // from the previously enabled rendition to load before the new playlist has finished loading\n          if (videojs$1.browser.IE_VERSION || videojs$1.browser.IS_EDGE) {\n            _this4.tech_.setCurrentTime(_this4.tech_.currentTime() + 0.04);\n          } else {\n            _this4.tech_.setCurrentTime(_this4.tech_.currentTime());\n          }\n        }); // don't need to reset audio as it is reset when media changes\n      }\n      /**\n       * Begin playback.\n       */\n\n    }, {\n      key: 'play',\n      value: function play() {\n        if (this.setupFirstPlay()) {\n          return;\n        }\n\n        if (this.tech_.ended()) {\n          this.seekTo_(0);\n        }\n\n        if (this.hasPlayed_) {\n          this.load();\n        }\n\n        var seekable$$1 = this.tech_.seekable(); // if the viewer has paused and we fell out of the live window,\n        // seek forward to the live point\n\n        if (this.tech_.duration() === Infinity) {\n          if (this.tech_.currentTime() < seekable$$1.start(0)) {\n            return this.seekTo_(seekable$$1.end(seekable$$1.length - 1));\n          }\n        }\n      }\n      /**\n       * Seek to the latest media position if this is a live video and the\n       * player and video are loaded and initialized.\n       */\n\n    }, {\n      key: 'setupFirstPlay',\n      value: function setupFirstPlay() {\n        var _this5 = this;\n\n        var media = this.masterPlaylistLoader_.media(); // Check that everything is ready to begin buffering for the first call to play\n        //  If 1) there is no active media\n        //     2) the player is paused\n        //     3) the first play has already been setup\n        // then exit early\n\n        if (!media || this.tech_.paused() || this.hasPlayed_) {\n          return false;\n        } // when the video is a live stream\n\n\n        if (!media.endList) {\n          var seekable$$1 = this.seekable();\n\n          if (!seekable$$1.length) {\n            // without a seekable range, the player cannot seek to begin buffering at the live\n            // point\n            return false;\n          }\n\n          if (videojs$1.browser.IE_VERSION && this.tech_.readyState() === 0) {\n            // IE11 throws an InvalidStateError if you try to set currentTime while the\n            // readyState is 0, so it must be delayed until the tech fires loadedmetadata.\n            this.tech_.one('loadedmetadata', function () {\n              _this5.trigger('firstplay');\n\n              _this5.seekTo_(seekable$$1.end(0));\n\n              _this5.hasPlayed_ = true;\n            });\n            return false;\n          } // trigger firstplay to inform the source handler to ignore the next seek event\n\n\n          this.trigger('firstplay'); // seek to the live point\n\n          this.seekTo_(seekable$$1.end(0));\n        }\n\n        this.hasPlayed_ = true; // we can begin loading now that everything is ready\n\n        this.load();\n        return true;\n      }\n      /**\n       * handle the sourceopen event on the MediaSource\n       *\n       * @private\n       */\n\n    }, {\n      key: 'handleSourceOpen_',\n      value: function handleSourceOpen_() {\n        // Only attempt to create the source buffer if none already exist.\n        // handleSourceOpen is also called when we are \"re-opening\" a source buffer\n        // after `endOfStream` has been called (in response to a seek for instance)\n        try {\n          this.setupSourceBuffers_();\n        } catch (e) {\n          videojs$1.log.warn('Failed to create Source Buffers', e);\n          return this.mediaSource.endOfStream('decode');\n        } // if autoplay is enabled, begin playback. This is duplicative of\n        // code in video.js but is required because play() must be invoked\n        // *after* the media source has opened.\n\n\n        if (this.tech_.autoplay()) {\n          var playPromise = this.tech_.play(); // Catch/silence error when a pause interrupts a play request\n          // on browsers which return a promise\n\n          if (typeof playPromise !== 'undefined' && typeof playPromise.then === 'function') {\n            playPromise.then(null, function (e) {});\n          }\n        }\n\n        this.trigger('sourceopen');\n      }\n      /**\n       * Calls endOfStream on the media source when all active stream types have called\n       * endOfStream\n       *\n       * @param {string} streamType\n       *        Stream type of the segment loader that called endOfStream\n       * @private\n       */\n\n    }, {\n      key: 'onEndOfStream',\n      value: function onEndOfStream() {\n        var isEndOfStream = this.mainSegmentLoader_.ended_;\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          // if the audio playlist loader exists, then alternate audio is active\n          if (!this.mainSegmentLoader_.startingMedia_ || this.mainSegmentLoader_.startingMedia_.containsVideo) {\n            // if we do not know if the main segment loader contains video yet or if we\n            // definitively know the main segment loader contains video, then we need to wait\n            // for both main and audio segment loaders to call endOfStream\n            isEndOfStream = isEndOfStream && this.audioSegmentLoader_.ended_;\n          } else {\n            // otherwise just rely on the audio loader\n            isEndOfStream = this.audioSegmentLoader_.ended_;\n          }\n        }\n\n        if (!isEndOfStream) {\n          return;\n        }\n\n        this.logger_('calling mediaSource.endOfStream()'); // on chrome calling endOfStream can sometimes cause an exception,\n        // even when the media source is in a valid state.\n\n        try {\n          this.mediaSource.endOfStream();\n        } catch (e) {\n          videojs$1.log.warn('Failed to call media source endOfStream', e);\n        }\n      }\n      /**\n       * Check if a playlist has stopped being updated\n       * @param {Object} playlist the media playlist object\n       * @return {boolean} whether the playlist has stopped being updated or not\n       */\n\n    }, {\n      key: 'stuckAtPlaylistEnd_',\n      value: function stuckAtPlaylistEnd_(playlist) {\n        var seekable$$1 = this.seekable();\n\n        if (!seekable$$1.length) {\n          // playlist doesn't have enough information to determine whether we are stuck\n          return false;\n        }\n\n        var expired = this.syncController_.getExpiredTime(playlist, this.mediaSource.duration);\n\n        if (expired === null) {\n          return false;\n        } // does not use the safe live end to calculate playlist end, since we\n        // don't want to say we are stuck while there is still content\n\n\n        var absolutePlaylistEnd = Hls.Playlist.playlistEnd(playlist, expired);\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n\n        if (!buffered.length) {\n          // return true if the playhead reached the absolute end of the playlist\n          return absolutePlaylistEnd - currentTime <= SAFE_TIME_DELTA;\n        }\n\n        var bufferedEnd = buffered.end(buffered.length - 1); // return true if there is too little buffer left and buffer has reached absolute\n        // end of playlist\n\n        return bufferedEnd - currentTime <= SAFE_TIME_DELTA && absolutePlaylistEnd - bufferedEnd <= SAFE_TIME_DELTA;\n      }\n      /**\n       * Blacklists a playlist when an error occurs for a set amount of time\n       * making it unavailable for selection by the rendition selection algorithm\n       * and then forces a new playlist (rendition) selection.\n       *\n       * @param {Object=} error an optional error that may include the playlist\n       * to blacklist\n       * @param {Number=} blacklistDuration an optional number of seconds to blacklist the\n       * playlist\n       */\n\n    }, {\n      key: 'blacklistCurrentPlaylist',\n      value: function blacklistCurrentPlaylist() {\n        var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n        var blacklistDuration = arguments[1];\n        var currentPlaylist = void 0;\n        var nextPlaylist = void 0; // If the `error` was generated by the playlist loader, it will contain\n        // the playlist we were trying to load (but failed) and that should be\n        // blacklisted instead of the currently selected playlist which is likely\n        // out-of-date in this scenario\n\n        currentPlaylist = error.playlist || this.masterPlaylistLoader_.media();\n        blacklistDuration = blacklistDuration || error.blacklistDuration || this.blacklistDuration; // If there is no current playlist, then an error occurred while we were\n        // trying to load the master OR while we were disposing of the tech\n\n        if (!currentPlaylist) {\n          this.error = error;\n\n          try {\n            return this.mediaSource.endOfStream('network');\n          } catch (e) {\n            return this.trigger('error');\n          }\n        }\n\n        var isFinalRendition = this.masterPlaylistLoader_.master.playlists.filter(isEnabled).length === 1;\n        var playlists = this.masterPlaylistLoader_.master.playlists;\n\n        if (playlists.length === 1) {\n          // Never blacklisting this playlist because it's the only playlist\n          videojs$1.log.warn('Problem encountered with the current ' + 'HLS playlist. Trying again since it is the only playlist.');\n          this.tech_.trigger('retryplaylist');\n          return this.masterPlaylistLoader_.load(isFinalRendition);\n        }\n\n        if (isFinalRendition) {\n          // Since we're on the final non-blacklisted playlist, and we're about to blacklist\n          // it, instead of erring the player or retrying this playlist, clear out the current\n          // blacklist. This allows other playlists to be attempted in case any have been\n          // fixed.\n          videojs$1.log.warn('Removing all playlists from the blacklist because the last ' + 'rendition is about to be blacklisted.');\n          playlists.forEach(function (playlist) {\n            if (playlist.excludeUntil !== Infinity) {\n              delete playlist.excludeUntil;\n            }\n          }); // Technically we are retrying a playlist, in that we are simply retrying a previous\n          // playlist. This is needed for users relying on the retryplaylist event to catch a\n          // case where the player might be stuck and looping through \"dead\" playlists.\n\n          this.tech_.trigger('retryplaylist');\n        } // Blacklist this playlist\n\n\n        currentPlaylist.excludeUntil = Date.now() + blacklistDuration * 1000;\n        this.tech_.trigger('blacklistplaylist');\n        this.tech_.trigger({\n          type: 'usage',\n          name: 'hls-rendition-blacklisted'\n        }); // Select a new playlist\n\n        nextPlaylist = this.selectPlaylist();\n        videojs$1.log.warn('Problem encountered with the current HLS playlist.' + (error.message ? ' ' + error.message : '') + ' Switching to another playlist.');\n        return this.masterPlaylistLoader_.media(nextPlaylist, isFinalRendition);\n      }\n      /**\n       * Pause all segment loaders\n       */\n\n    }, {\n      key: 'pauseLoading',\n      value: function pauseLoading() {\n        this.mainSegmentLoader_.pause();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.pause();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.pause();\n        }\n      }\n      /**\n       * set the current time on all segment loaders\n       *\n       * @param {TimeRange} currentTime the current time to set\n       * @return {TimeRange} the current time\n       */\n\n    }, {\n      key: 'setCurrentTime',\n      value: function setCurrentTime(currentTime) {\n        var buffered = findRange(this.tech_.buffered(), currentTime);\n\n        if (!(this.masterPlaylistLoader_ && this.masterPlaylistLoader_.media())) {\n          // return immediately if the metadata is not ready yet\n          return 0;\n        } // it's clearly an edge-case but don't thrown an error if asked to\n        // seek within an empty playlist\n\n\n        if (!this.masterPlaylistLoader_.media().segments) {\n          return 0;\n        } // In flash playback, the segment loaders should be reset on every seek, even\n        // in buffer seeks. If the seek location is already buffered, continue buffering as\n        // usual\n        // TODO: redo this comment\n\n\n        if (buffered && buffered.length) {\n          return currentTime;\n        } // cancel outstanding requests so we begin buffering at the new\n        // location\n\n\n        this.mainSegmentLoader_.resetEverything();\n        this.mainSegmentLoader_.abort();\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          this.audioSegmentLoader_.resetEverything();\n          this.audioSegmentLoader_.abort();\n        }\n\n        if (this.mediaTypes_.SUBTITLES.activePlaylistLoader) {\n          this.subtitleSegmentLoader_.resetEverything();\n          this.subtitleSegmentLoader_.abort();\n        } // start segment loader loading in case they are paused\n\n\n        this.load();\n      }\n      /**\n       * get the current duration\n       *\n       * @return {TimeRange} the duration\n       */\n\n    }, {\n      key: 'duration',\n      value: function duration$$1() {\n        if (!this.masterPlaylistLoader_) {\n          return 0;\n        }\n\n        if (this.mediaSource) {\n          return this.mediaSource.duration;\n        }\n\n        return Hls.Playlist.duration(this.masterPlaylistLoader_.media());\n      }\n      /**\n       * check the seekable range\n       *\n       * @return {TimeRange} the seekable range\n       */\n\n    }, {\n      key: 'seekable',\n      value: function seekable$$1() {\n        return this.seekable_;\n      }\n    }, {\n      key: 'onSyncInfoUpdate_',\n      value: function onSyncInfoUpdate_() {\n        var audioSeekable = void 0;\n\n        if (!this.masterPlaylistLoader_) {\n          return;\n        }\n\n        var media = this.masterPlaylistLoader_.media();\n\n        if (!media) {\n          return;\n        }\n\n        var expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);\n\n        if (expired === null) {\n          // not enough information to update seekable\n          return;\n        }\n\n        var suggestedPresentationDelay = this.masterPlaylistLoader_.master.suggestedPresentationDelay;\n        var mainSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);\n\n        if (mainSeekable.length === 0) {\n          return;\n        }\n\n        if (this.mediaTypes_.AUDIO.activePlaylistLoader) {\n          media = this.mediaTypes_.AUDIO.activePlaylistLoader.media();\n          expired = this.syncController_.getExpiredTime(media, this.mediaSource.duration);\n\n          if (expired === null) {\n            return;\n          }\n\n          audioSeekable = Hls.Playlist.seekable(media, expired, suggestedPresentationDelay);\n\n          if (audioSeekable.length === 0) {\n            return;\n          }\n        }\n\n        var oldEnd = void 0;\n        var oldStart = void 0;\n\n        if (this.seekable_ && this.seekable_.length) {\n          oldEnd = this.seekable_.end(0);\n          oldStart = this.seekable_.start(0);\n        }\n\n        if (!audioSeekable) {\n          // seekable has been calculated based on buffering video data so it\n          // can be returned directly\n          this.seekable_ = mainSeekable;\n        } else if (audioSeekable.start(0) > mainSeekable.end(0) || mainSeekable.start(0) > audioSeekable.end(0)) {\n          // seekables are pretty far off, rely on main\n          this.seekable_ = mainSeekable;\n        } else {\n          this.seekable_ = videojs$1.createTimeRanges([[audioSeekable.start(0) > mainSeekable.start(0) ? audioSeekable.start(0) : mainSeekable.start(0), audioSeekable.end(0) < mainSeekable.end(0) ? audioSeekable.end(0) : mainSeekable.end(0)]]);\n        } // seekable is the same as last time\n\n\n        if (this.seekable_ && this.seekable_.length) {\n          if (this.seekable_.end(0) === oldEnd && this.seekable_.start(0) === oldStart) {\n            return;\n          }\n        }\n\n        this.logger_('seekable updated [' + printableRange(this.seekable_) + ']');\n        this.tech_.trigger('seekablechanged');\n      }\n      /**\n       * Update the player duration\n       */\n\n    }, {\n      key: 'updateDuration',\n      value: function updateDuration() {\n        var _this6 = this;\n\n        var oldDuration = this.mediaSource.duration;\n        var newDuration = Hls.Playlist.duration(this.masterPlaylistLoader_.media());\n        var buffered = this.tech_.buffered();\n\n        var setDuration = function setDuration() {\n          // on firefox setting the duration may sometimes cause an exception\n          // even if the media source is open and source buffers are not\n          // updating, something about the media source being in an invalid state.\n          _this6.logger_('Setting duration from ' + _this6.mediaSource.duration + ' => ' + newDuration);\n\n          try {\n            _this6.mediaSource.duration = newDuration;\n          } catch (e) {\n            videojs$1.log.warn('Failed to set media source duration', e);\n          }\n\n          _this6.tech_.trigger('durationchange');\n\n          _this6.mediaSource.removeEventListener('sourceopen', setDuration);\n        };\n\n        if (buffered.length > 0) {\n          newDuration = Math.max(newDuration, buffered.end(buffered.length - 1));\n        } // if the duration has changed, invalidate the cached value\n\n\n        if (oldDuration !== newDuration) {\n          // update the duration\n          if (this.mediaSource.readyState !== 'open') {\n            this.mediaSource.addEventListener('sourceopen', setDuration);\n          } else {\n            setDuration();\n          }\n        }\n      }\n      /**\n       * dispose of the MasterPlaylistController and everything\n       * that it controls\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        var _this7 = this;\n\n        this.trigger('dispose');\n        this.decrypter_.terminate();\n        this.masterPlaylistLoader_.dispose();\n        this.mainSegmentLoader_.dispose();\n        ['AUDIO', 'SUBTITLES'].forEach(function (type) {\n          var groups = _this7.mediaTypes_[type].groups;\n\n          for (var id in groups) {\n            groups[id].forEach(function (group) {\n              if (group.playlistLoader) {\n                group.playlistLoader.dispose();\n              }\n            });\n          }\n        });\n        this.audioSegmentLoader_.dispose();\n        this.subtitleSegmentLoader_.dispose();\n        this.off();\n\n        if (this.mediaSource.dispose) {\n          this.mediaSource.dispose();\n        }\n      }\n      /**\n       * return the master playlist object if we have one\n       *\n       * @return {Object} the master playlist object that we parsed\n       */\n\n    }, {\n      key: 'master',\n      value: function master() {\n        return this.masterPlaylistLoader_.master;\n      }\n      /**\n       * return the currently selected playlist\n       *\n       * @return {Object} the currently selected playlist object that we parsed\n       */\n\n    }, {\n      key: 'media',\n      value: function media() {\n        // playlist loader will not return media if it has not been fully loaded\n        return this.masterPlaylistLoader_.media() || this.initialMedia_;\n      }\n      /**\n       * setup our internal source buffers on our segment Loaders\n       *\n       * @private\n       */\n\n    }, {\n      key: 'setupSourceBuffers_',\n      value: function setupSourceBuffers_() {\n        var media = this.masterPlaylistLoader_.media();\n        var mimeTypes = void 0; // wait until a media playlist is available and the Media Source is\n        // attached\n\n        if (!media || this.mediaSource.readyState !== 'open') {\n          return;\n        }\n\n        mimeTypes = mimeTypesForPlaylist(this.masterPlaylistLoader_.master, media);\n\n        if (mimeTypes.length < 1) {\n          this.error = 'No compatible SourceBuffer configuration for the variant stream:' + media.resolvedUri;\n          return this.mediaSource.endOfStream('decode');\n        }\n\n        this.configureLoaderMimeTypes_(mimeTypes); // exclude any incompatible variant streams from future playlist\n        // selection\n\n        this.excludeIncompatibleVariants_(media);\n      }\n    }, {\n      key: 'configureLoaderMimeTypes_',\n      value: function configureLoaderMimeTypes_(mimeTypes) {\n        // If the content is demuxed, we can't start appending segments to a source buffer\n        // until both source buffers are set up, or else the browser may not let us add the\n        // second source buffer (it will assume we are playing either audio only or video\n        // only).\n        var sourceBufferEmitter = // If there is more than one mime type\n        mimeTypes.length > 1 && // and the first mime type does not have muxed video and audio\n        mimeTypes[0].indexOf(',') === -1 && // and the two mime types are different (they can be the same in the case of audio\n        // only with alternate audio)\n        mimeTypes[0] !== mimeTypes[1] ? // then we want to wait on the second source buffer\n        new videojs$1.EventTarget() : // otherwise there is no need to wait as the content is either audio only,\n        // video only, or muxed content.\n        null;\n        this.mainSegmentLoader_.mimeType(mimeTypes[0], sourceBufferEmitter);\n\n        if (mimeTypes[1]) {\n          this.audioSegmentLoader_.mimeType(mimeTypes[1], sourceBufferEmitter);\n        }\n      }\n      /**\n       * Blacklists playlists with codecs that are unsupported by the browser.\n       */\n\n    }, {\n      key: 'excludeUnsupportedVariants_',\n      value: function excludeUnsupportedVariants_() {\n        this.master().playlists.forEach(function (variant) {\n          if (variant.attributes.CODECS && window$3.MediaSource && window$3.MediaSource.isTypeSupported && !window$3.MediaSource.isTypeSupported('video/mp4; codecs=\"' + mapLegacyAvcCodecs(variant.attributes.CODECS) + '\"')) {\n            variant.excludeUntil = Infinity;\n          }\n        });\n      }\n      /**\n       * Blacklist playlists that are known to be codec or\n       * stream-incompatible with the SourceBuffer configuration. For\n       * instance, Media Source Extensions would cause the video element to\n       * stall waiting for video data if you switched from a variant with\n       * video and audio to an audio-only one.\n       *\n       * @param {Object} media a media playlist compatible with the current\n       * set of SourceBuffers. Variants in the current master playlist that\n       * do not appear to have compatible codec or stream configurations\n       * will be excluded from the default playlist selection algorithm\n       * indefinitely.\n       * @private\n       */\n\n    }, {\n      key: 'excludeIncompatibleVariants_',\n      value: function excludeIncompatibleVariants_(media) {\n        var codecCount = 2;\n        var videoCodec = null;\n        var codecs = void 0;\n\n        if (media.attributes.CODECS) {\n          codecs = parseCodecs(media.attributes.CODECS);\n          videoCodec = codecs.videoCodec;\n          codecCount = codecs.codecCount;\n        }\n\n        this.master().playlists.forEach(function (variant) {\n          var variantCodecs = {\n            codecCount: 2,\n            videoCodec: null\n          };\n\n          if (variant.attributes.CODECS) {\n            variantCodecs = parseCodecs(variant.attributes.CODECS);\n          } // if the streams differ in the presence or absence of audio or\n          // video, they are incompatible\n\n\n          if (variantCodecs.codecCount !== codecCount) {\n            variant.excludeUntil = Infinity;\n          } // if h.264 is specified on the current playlist, some flavor of\n          // it must be specified on all compatible variants\n\n\n          if (variantCodecs.videoCodec !== videoCodec) {\n            variant.excludeUntil = Infinity;\n          }\n        });\n      }\n    }, {\n      key: 'updateAdCues_',\n      value: function updateAdCues_(media) {\n        var offset = 0;\n        var seekable$$1 = this.seekable();\n\n        if (seekable$$1.length) {\n          offset = seekable$$1.start(0);\n        }\n\n        updateAdCues(media, this.cueTagsTrack_, offset);\n      }\n      /**\n       * Calculates the desired forward buffer length based on current time\n       *\n       * @return {Number} Desired forward buffer length in seconds\n       */\n\n    }, {\n      key: 'goalBufferLength',\n      value: function goalBufferLength() {\n        var currentTime = this.tech_.currentTime();\n        var initial = Config.GOAL_BUFFER_LENGTH;\n        var rate = Config.GOAL_BUFFER_LENGTH_RATE;\n        var max = Math.max(initial, Config.MAX_GOAL_BUFFER_LENGTH);\n        return Math.min(initial + currentTime * rate, max);\n      }\n      /**\n       * Calculates the desired buffer low water line based on current time\n       *\n       * @return {Number} Desired buffer low water line in seconds\n       */\n\n    }, {\n      key: 'bufferLowWaterLine',\n      value: function bufferLowWaterLine() {\n        var currentTime = this.tech_.currentTime();\n        var initial = Config.BUFFER_LOW_WATER_LINE;\n        var rate = Config.BUFFER_LOW_WATER_LINE_RATE;\n        var max = Math.max(initial, Config.MAX_BUFFER_LOW_WATER_LINE);\n        return Math.min(initial + currentTime * rate, max);\n      }\n    }]);\n    return MasterPlaylistController;\n  }(videojs$1.EventTarget);\n  /**\n   * Returns a function that acts as the Enable/disable playlist function.\n   *\n   * @param {PlaylistLoader} loader - The master playlist loader\n\n   * @param {string} playlistID - id of the playlist\n   * @param {Function} changePlaylistFn - A function to be called after a\n   * playlist's enabled-state has been changed. Will NOT be called if a\n   * playlist's enabled-state is unchanged\n   * @param {Boolean=} enable - Value to set the playlist enabled-state to\n   * or if undefined returns the current enabled-state for the playlist\n   * @return {Function} Function for setting/getting enabled\n   */\n\n\n  var enableFunction = function enableFunction(loader, playlistID, changePlaylistFn) {\n    return function (enable) {\n      var playlist = loader.master.playlists[playlistID];\n      var incompatible = isIncompatible(playlist);\n      var currentlyEnabled = isEnabled(playlist);\n\n      if (typeof enable === 'undefined') {\n        return currentlyEnabled;\n      }\n\n      if (enable) {\n        delete playlist.disabled;\n      } else {\n        playlist.disabled = true;\n      }\n\n      if (enable !== currentlyEnabled && !incompatible) {\n        // Ensure the outside world knows about our changes\n        changePlaylistFn();\n\n        if (enable) {\n          loader.trigger('renditionenabled');\n        } else {\n          loader.trigger('renditiondisabled');\n        }\n      }\n\n      return enable;\n    };\n  };\n  /**\n   * The representation object encapsulates the publicly visible information\n   * in a media playlist along with a setter/getter-type function (enabled)\n   * for changing the enabled-state of a particular playlist entry\n   *\n   * @class Representation\n   */\n\n\n  var Representation = function Representation(hlsHandler, playlist, id) {\n    classCallCheck$1(this, Representation);\n    var mpc = hlsHandler.masterPlaylistController_,\n        smoothQualityChange = hlsHandler.options_.smoothQualityChange; // Get a reference to a bound version of the quality change function\n\n    var changeType = smoothQualityChange ? 'smooth' : 'fast';\n    var qualityChangeFunction = mpc[changeType + 'QualityChange_'].bind(mpc); // some playlist attributes are optional\n\n    if (playlist.attributes.RESOLUTION) {\n      var resolution = playlist.attributes.RESOLUTION;\n      this.width = resolution.width;\n      this.height = resolution.height;\n    }\n\n    this.bandwidth = playlist.attributes.BANDWIDTH; // The id is simply the ordinality of the media playlist\n    // within the master playlist\n\n    this.id = id; // Partially-apply the enableFunction to create a playlist-\n    // specific variant\n\n    this.enabled = enableFunction(hlsHandler.playlists, playlist.id, qualityChangeFunction);\n  };\n  /**\n   * A mixin function that adds the `representations` api to an instance\n   * of the HlsHandler class\n   * @param {HlsHandler} hlsHandler - An instance of HlsHandler to add the\n   * representation API into\n   */\n\n\n  var renditionSelectionMixin = function renditionSelectionMixin(hlsHandler) {\n    var playlists = hlsHandler.playlists; // Add a single API-specific function to the HlsHandler instance\n\n    hlsHandler.representations = function () {\n      if (!playlists || !playlists.master || !playlists.master.playlists) {\n        return [];\n      }\n\n      return playlists.master.playlists.filter(function (media) {\n        return !isIncompatible(media);\n      }).map(function (e, i) {\n        return new Representation(hlsHandler, e, e.id);\n      });\n    };\n  };\n  /**\n   * @file playback-watcher.js\n   *\n   * Playback starts, and now my watch begins. It shall not end until my death. I shall\n   * take no wait, hold no uncleared timeouts, father no bad seeks. I shall wear no crowns\n   * and win no glory. I shall live and die at my post. I am the corrector of the underflow.\n   * I am the watcher of gaps. I am the shield that guards the realms of seekable. I pledge\n   * my life and honor to the Playback Watch, for this Player and all the Players to come.\n   */\n  // Set of events that reset the playback-watcher time check logic and clear the timeout\n\n\n  var timerCancelEvents = ['seeking', 'seeked', 'pause', 'playing', 'error'];\n  /**\n   * @class PlaybackWatcher\n   */\n\n  var PlaybackWatcher = function () {\n    /**\n     * Represents an PlaybackWatcher object.\n     * @constructor\n     * @param {object} options an object that includes the tech and settings\n     */\n    function PlaybackWatcher(options) {\n      var _this = this;\n\n      classCallCheck$1(this, PlaybackWatcher);\n      this.tech_ = options.tech;\n      this.seekable = options.seekable;\n      this.seekTo = options.seekTo;\n      this.allowSeeksWithinUnsafeLiveWindow = options.allowSeeksWithinUnsafeLiveWindow;\n      this.media = options.media;\n      this.consecutiveUpdates = 0;\n      this.lastRecordedTime = null;\n      this.timer_ = null;\n      this.checkCurrentTimeTimeout_ = null;\n      this.logger_ = logger('PlaybackWatcher');\n      this.logger_('initialize');\n\n      var canPlayHandler = function canPlayHandler() {\n        return _this.monitorCurrentTime_();\n      };\n\n      var waitingHandler = function waitingHandler() {\n        return _this.techWaiting_();\n      };\n\n      var cancelTimerHandler = function cancelTimerHandler() {\n        return _this.cancelTimer_();\n      };\n\n      var fixesBadSeeksHandler = function fixesBadSeeksHandler() {\n        return _this.fixesBadSeeks_();\n      };\n\n      this.tech_.on('seekablechanged', fixesBadSeeksHandler);\n      this.tech_.on('waiting', waitingHandler);\n      this.tech_.on(timerCancelEvents, cancelTimerHandler);\n      this.tech_.on('canplay', canPlayHandler); // Define the dispose function to clean up our events\n\n      this.dispose = function () {\n        _this.logger_('dispose');\n\n        _this.tech_.off('seekablechanged', fixesBadSeeksHandler);\n\n        _this.tech_.off('waiting', waitingHandler);\n\n        _this.tech_.off(timerCancelEvents, cancelTimerHandler);\n\n        _this.tech_.off('canplay', canPlayHandler);\n\n        if (_this.checkCurrentTimeTimeout_) {\n          window$3.clearTimeout(_this.checkCurrentTimeTimeout_);\n        }\n\n        _this.cancelTimer_();\n      };\n    }\n    /**\n     * Periodically check current time to see if playback stopped\n     *\n     * @private\n     */\n\n\n    createClass$1(PlaybackWatcher, [{\n      key: 'monitorCurrentTime_',\n      value: function monitorCurrentTime_() {\n        this.checkCurrentTime_();\n\n        if (this.checkCurrentTimeTimeout_) {\n          window$3.clearTimeout(this.checkCurrentTimeTimeout_);\n        } // 42 = 24 fps // 250 is what Webkit uses // FF uses 15\n\n\n        this.checkCurrentTimeTimeout_ = window$3.setTimeout(this.monitorCurrentTime_.bind(this), 250);\n      }\n      /**\n       * The purpose of this function is to emulate the \"waiting\" event on\n       * browsers that do not emit it when they are waiting for more\n       * data to continue playback\n       *\n       * @private\n       */\n\n    }, {\n      key: 'checkCurrentTime_',\n      value: function checkCurrentTime_() {\n        if (this.tech_.seeking() && this.fixesBadSeeks_()) {\n          this.consecutiveUpdates = 0;\n          this.lastRecordedTime = this.tech_.currentTime();\n          return;\n        }\n\n        if (this.tech_.paused() || this.tech_.seeking()) {\n          return;\n        }\n\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n\n        if (this.lastRecordedTime === currentTime && (!buffered.length || currentTime + SAFE_TIME_DELTA >= buffered.end(buffered.length - 1))) {\n          // If current time is at the end of the final buffered region, then any playback\n          // stall is most likely caused by buffering in a low bandwidth environment. The tech\n          // should fire a `waiting` event in this scenario, but due to browser and tech\n          // inconsistencies. Calling `techWaiting_` here allows us to simulate\n          // responding to a native `waiting` event when the tech fails to emit one.\n          return this.techWaiting_();\n        }\n\n        if (this.consecutiveUpdates >= 5 && currentTime === this.lastRecordedTime) {\n          this.consecutiveUpdates++;\n          this.waiting_();\n        } else if (currentTime === this.lastRecordedTime) {\n          this.consecutiveUpdates++;\n        } else {\n          this.consecutiveUpdates = 0;\n          this.lastRecordedTime = currentTime;\n        }\n      }\n      /**\n       * Cancels any pending timers and resets the 'timeupdate' mechanism\n       * designed to detect that we are stalled\n       *\n       * @private\n       */\n\n    }, {\n      key: 'cancelTimer_',\n      value: function cancelTimer_() {\n        this.consecutiveUpdates = 0;\n\n        if (this.timer_) {\n          this.logger_('cancelTimer_');\n          clearTimeout(this.timer_);\n        }\n\n        this.timer_ = null;\n      }\n      /**\n       * Fixes situations where there's a bad seek\n       *\n       * @return {Boolean} whether an action was taken to fix the seek\n       * @private\n       */\n\n    }, {\n      key: 'fixesBadSeeks_',\n      value: function fixesBadSeeks_() {\n        var seeking = this.tech_.seeking();\n\n        if (!seeking) {\n          return false;\n        }\n\n        var seekable = this.seekable();\n        var currentTime = this.tech_.currentTime();\n        var isAfterSeekableRange = this.afterSeekableWindow_(seekable, currentTime, this.media(), this.allowSeeksWithinUnsafeLiveWindow);\n        var seekTo = void 0;\n\n        if (isAfterSeekableRange) {\n          var seekableEnd = seekable.end(seekable.length - 1); // sync to live point (if VOD, our seekable was updated and we're simply adjusting)\n\n          seekTo = seekableEnd;\n        }\n\n        if (this.beforeSeekableWindow_(seekable, currentTime)) {\n          var seekableStart = seekable.start(0); // sync to the beginning of the live window\n          // provide a buffer of .1 seconds to handle rounding/imprecise numbers\n\n          seekTo = seekableStart + SAFE_TIME_DELTA;\n        }\n\n        if (typeof seekTo !== 'undefined') {\n          this.logger_('Trying to seek outside of seekable at time ' + currentTime + ' with ' + ('seekable range ' + printableRange(seekable) + '. Seeking to ') + (seekTo + '.'));\n          this.seekTo(seekTo);\n          return true;\n        }\n\n        return false;\n      }\n      /**\n       * Handler for situations when we determine the player is waiting.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'waiting_',\n      value: function waiting_() {\n        if (this.techWaiting_()) {\n          return;\n        } // All tech waiting checks failed. Use last resort correction\n\n\n        var currentTime = this.tech_.currentTime();\n        var buffered = this.tech_.buffered();\n        var currentRange = findRange(buffered, currentTime); // Sometimes the player can stall for unknown reasons within a contiguous buffered\n        // region with no indication that anything is amiss (seen in Firefox). Seeking to\n        // currentTime is usually enough to kickstart the player. This checks that the player\n        // is currently within a buffered region before attempting a corrective seek.\n        // Chrome does not appear to continue `timeupdate` events after a `waiting` event\n        // until there is ~ 3 seconds of forward buffer available. PlaybackWatcher should also\n        // make sure there is ~3 seconds of forward buffer before taking any corrective action\n        // to avoid triggering an `unknownwaiting` event when the network is slow.\n\n        if (currentRange.length && currentTime + 3 <= currentRange.end(0)) {\n          this.cancelTimer_();\n          this.seekTo(currentTime);\n          this.logger_('Stopped at ' + currentTime + ' while inside a buffered region ' + ('[' + currentRange.start(0) + ' -> ' + currentRange.end(0) + ']. Attempting to resume ') + 'playback by seeking to the current time.'); // unknown waiting corrections may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-unknown-waiting'\n          });\n          return;\n        }\n      }\n      /**\n       * Handler for situations when the tech fires a `waiting` event\n       *\n       * @return {Boolean}\n       *         True if an action (or none) was needed to correct the waiting. False if no\n       *         checks passed\n       * @private\n       */\n\n    }, {\n      key: 'techWaiting_',\n      value: function techWaiting_() {\n        var seekable = this.seekable();\n        var currentTime = this.tech_.currentTime();\n\n        if (this.tech_.seeking() && this.fixesBadSeeks_()) {\n          // Tech is seeking or bad seek fixed, no action needed\n          return true;\n        }\n\n        if (this.tech_.seeking() || this.timer_ !== null) {\n          // Tech is seeking or already waiting on another action, no action needed\n          return true;\n        }\n\n        if (this.beforeSeekableWindow_(seekable, currentTime)) {\n          var livePoint = seekable.end(seekable.length - 1);\n          this.logger_('Fell out of live window at time ' + currentTime + '. Seeking to ' + ('live point (seekable end) ' + livePoint));\n          this.cancelTimer_();\n          this.seekTo(livePoint); // live window resyncs may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-live-resync'\n          });\n          return true;\n        }\n\n        var buffered = this.tech_.buffered();\n        var nextRange = findNextRange(buffered, currentTime);\n\n        if (this.videoUnderflow_(nextRange, buffered, currentTime)) {\n          // Even though the video underflowed and was stuck in a gap, the audio overplayed\n          // the gap, leading currentTime into a buffered range. Seeking to currentTime\n          // allows the video to catch up to the audio position without losing any audio\n          // (only suffering ~3 seconds of frozen video and a pause in audio playback).\n          this.cancelTimer_();\n          this.seekTo(currentTime); // video underflow may be useful for monitoring QoS\n\n          this.tech_.trigger({\n            type: 'usage',\n            name: 'hls-video-underflow'\n          });\n          return true;\n        } // check for gap\n\n\n        if (nextRange.length > 0) {\n          var difference = nextRange.start(0) - currentTime;\n          this.logger_('Stopped at ' + currentTime + ', setting timer for ' + difference + ', seeking ' + ('to ' + nextRange.start(0)));\n          this.timer_ = setTimeout(this.skipTheGap_.bind(this), difference * 1000, currentTime);\n          return true;\n        } // All checks failed. Returning false to indicate failure to correct waiting\n\n\n        return false;\n      }\n    }, {\n      key: 'afterSeekableWindow_',\n      value: function afterSeekableWindow_(seekable, currentTime, playlist) {\n        var allowSeeksWithinUnsafeLiveWindow = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;\n\n        if (!seekable.length) {\n          // we can't make a solid case if there's no seekable, default to false\n          return false;\n        }\n\n        var allowedEnd = seekable.end(seekable.length - 1) + SAFE_TIME_DELTA;\n        var isLive = !playlist.endList;\n\n        if (isLive && allowSeeksWithinUnsafeLiveWindow) {\n          allowedEnd = seekable.end(seekable.length - 1) + playlist.targetDuration * 3;\n        }\n\n        if (currentTime > allowedEnd) {\n          return true;\n        }\n\n        return false;\n      }\n    }, {\n      key: 'beforeSeekableWindow_',\n      value: function beforeSeekableWindow_(seekable, currentTime) {\n        if (seekable.length && // can't fall before 0 and 0 seekable start identifies VOD stream\n        seekable.start(0) > 0 && currentTime < seekable.start(0) - SAFE_TIME_DELTA) {\n          return true;\n        }\n\n        return false;\n      }\n    }, {\n      key: 'videoUnderflow_',\n      value: function videoUnderflow_(nextRange, buffered, currentTime) {\n        if (nextRange.length === 0) {\n          // Even if there is no available next range, there is still a possibility we are\n          // stuck in a gap due to video underflow.\n          var gap = this.gapFromVideoUnderflow_(buffered, currentTime);\n\n          if (gap) {\n            this.logger_('Encountered a gap in video from ' + gap.start + ' to ' + gap.end + '. ' + ('Seeking to current time ' + currentTime));\n            return true;\n          }\n        }\n\n        return false;\n      }\n      /**\n       * Timer callback. If playback still has not proceeded, then we seek\n       * to the start of the next buffered region.\n       *\n       * @private\n       */\n\n    }, {\n      key: 'skipTheGap_',\n      value: function skipTheGap_(scheduledCurrentTime) {\n        var buffered = this.tech_.buffered();\n        var currentTime = this.tech_.currentTime();\n        var nextRange = findNextRange(buffered, currentTime);\n        this.cancelTimer_();\n\n        if (nextRange.length === 0 || currentTime !== scheduledCurrentTime) {\n          return;\n        }\n\n        this.logger_('skipTheGap_:', 'currentTime:', currentTime, 'scheduled currentTime:', scheduledCurrentTime, 'nextRange start:', nextRange.start(0)); // only seek if we still have not played\n\n        this.seekTo(nextRange.start(0) + TIME_FUDGE_FACTOR);\n        this.tech_.trigger({\n          type: 'usage',\n          name: 'hls-gap-skip'\n        });\n      }\n    }, {\n      key: 'gapFromVideoUnderflow_',\n      value: function gapFromVideoUnderflow_(buffered, currentTime) {\n        // At least in Chrome, if there is a gap in the video buffer, the audio will continue\n        // playing for ~3 seconds after the video gap starts. This is done to account for\n        // video buffer underflow/underrun (note that this is not done when there is audio\n        // buffer underflow/underrun -- in that case the video will stop as soon as it\n        // encounters the gap, as audio stalls are more noticeable/jarring to a user than\n        // video stalls). The player's time will reflect the playthrough of audio, so the\n        // time will appear as if we are in a buffered region, even if we are stuck in a\n        // \"gap.\"\n        //\n        // Example:\n        // video buffer:   0 => 10.1, 10.2 => 20\n        // audio buffer:   0 => 20\n        // overall buffer: 0 => 10.1, 10.2 => 20\n        // current time: 13\n        //\n        // Chrome's video froze at 10 seconds, where the video buffer encountered the gap,\n        // however, the audio continued playing until it reached ~3 seconds past the gap\n        // (13 seconds), at which point it stops as well. Since current time is past the\n        // gap, findNextRange will return no ranges.\n        //\n        // To check for this issue, we see if there is a gap that starts somewhere within\n        // a 3 second range (3 seconds +/- 1 second) back from our current time.\n        var gaps = findGaps(buffered);\n\n        for (var i = 0; i < gaps.length; i++) {\n          var start = gaps.start(i);\n          var end = gaps.end(i); // gap is starts no more than 4 seconds back\n\n          if (currentTime - start < 4 && currentTime - start > 2) {\n            return {\n              start: start,\n              end: end\n            };\n          }\n        }\n\n        return null;\n      }\n    }]);\n    return PlaybackWatcher;\n  }();\n\n  var defaultOptions = {\n    errorInterval: 30,\n    getSource: function getSource(next) {\n      var tech = this.tech({\n        IWillNotUseThisInPlugins: true\n      });\n      var sourceObj = tech.currentSource_;\n      return next(sourceObj);\n    }\n  };\n  /**\n   * Main entry point for the plugin\n   *\n   * @param {Player} player a reference to a videojs Player instance\n   * @param {Object} [options] an object with plugin options\n   * @private\n   */\n\n  var initPlugin = function initPlugin(player, options) {\n    var lastCalled = 0;\n    var seekTo = 0;\n    var localOptions = videojs$1.mergeOptions(defaultOptions, options);\n    player.ready(function () {\n      player.trigger({\n        type: 'usage',\n        name: 'hls-error-reload-initialized'\n      });\n    });\n    /**\n     * Player modifications to perform that must wait until `loadedmetadata`\n     * has been triggered\n     *\n     * @private\n     */\n\n    var loadedMetadataHandler = function loadedMetadataHandler() {\n      if (seekTo) {\n        player.currentTime(seekTo);\n      }\n    };\n    /**\n     * Set the source on the player element, play, and seek if necessary\n     *\n     * @param {Object} sourceObj An object specifying the source url and mime-type to play\n     * @private\n     */\n\n\n    var setSource = function setSource(sourceObj) {\n      if (sourceObj === null || sourceObj === undefined) {\n        return;\n      }\n\n      seekTo = player.duration() !== Infinity && player.currentTime() || 0;\n      player.one('loadedmetadata', loadedMetadataHandler);\n      player.src(sourceObj);\n      player.trigger({\n        type: 'usage',\n        name: 'hls-error-reload'\n      });\n      player.play();\n    };\n    /**\n     * Attempt to get a source from either the built-in getSource function\n     * or a custom function provided via the options\n     *\n     * @private\n     */\n\n\n    var errorHandler = function errorHandler() {\n      // Do not attempt to reload the source if a source-reload occurred before\n      // 'errorInterval' time has elapsed since the last source-reload\n      if (Date.now() - lastCalled < localOptions.errorInterval * 1000) {\n        player.trigger({\n          type: 'usage',\n          name: 'hls-error-reload-canceled'\n        });\n        return;\n      }\n\n      if (!localOptions.getSource || typeof localOptions.getSource !== 'function') {\n        videojs$1.log.error('ERROR: reloadSourceOnError - The option getSource must be a function!');\n        return;\n      }\n\n      lastCalled = Date.now();\n      return localOptions.getSource.call(player, setSource);\n    };\n    /**\n     * Unbind any event handlers that were bound by the plugin\n     *\n     * @private\n     */\n\n\n    var cleanupEvents = function cleanupEvents() {\n      player.off('loadedmetadata', loadedMetadataHandler);\n      player.off('error', errorHandler);\n      player.off('dispose', cleanupEvents);\n    };\n    /**\n     * Cleanup before re-initializing the plugin\n     *\n     * @param {Object} [newOptions] an object with plugin options\n     * @private\n     */\n\n\n    var reinitPlugin = function reinitPlugin(newOptions) {\n      cleanupEvents();\n      initPlugin(player, newOptions);\n    };\n\n    player.on('error', errorHandler);\n    player.on('dispose', cleanupEvents); // Overwrite the plugin function so that we can correctly cleanup before\n    // initializing the plugin\n\n    player.reloadSourceOnError = reinitPlugin;\n  };\n  /**\n   * Reload the source when an error is detected as long as there\n   * wasn't an error previously within the last 30 seconds\n   *\n   * @param {Object} [options] an object with plugin options\n   */\n\n\n  var reloadSourceOnError = function reloadSourceOnError(options) {\n    initPlugin(this, options);\n  };\n\n  var version$1 = \"1.12.3\"; // since VHS handles HLS and DASH (and in the future, more types), use * to capture all\n\n  videojs$1.use('*', function (player) {\n    return {\n      setSource: function setSource(srcObj, next) {\n        // pass null as the first argument to indicate that the source is not rejected\n        next(null, srcObj);\n      },\n      // VHS needs to know when seeks happen. For external seeks (generated at the player\n      // level), this middleware will capture the action. For internal seeks (generated at\n      // the tech level), we use a wrapped function so that we can handle it on our own\n      // (specified elsewhere).\n      setCurrentTime: function setCurrentTime(time) {\n        if (player.vhs && player.currentSource().src === player.vhs.source_.src) {\n          player.vhs.setCurrentTime(time);\n        }\n\n        return time;\n      },\n      // Sync VHS after play requests.\n      // This specifically handles replay where the order of actions is\n      // play, video element will seek to 0 (skipping the setCurrentTime middleware)\n      // then triggers a play event.\n      play: function play() {\n        if (player.vhs && player.currentSource().src === player.vhs.source_.src) {\n          player.vhs.setCurrentTime(player.tech_.currentTime());\n        }\n      }\n    };\n  });\n  /**\n   * @file videojs-http-streaming.js\n   *\n   * The main file for the HLS project.\n   * License: https://github.com/videojs/videojs-http-streaming/blob/master/LICENSE\n   */\n\n  var Hls$1 = {\n    PlaylistLoader: PlaylistLoader,\n    Playlist: Playlist,\n    Decrypter: Decrypter,\n    AsyncStream: AsyncStream,\n    decrypt: decrypt,\n    utils: utils$1,\n    STANDARD_PLAYLIST_SELECTOR: lastBandwidthSelector,\n    INITIAL_PLAYLIST_SELECTOR: lowestBitrateCompatibleVariantSelector,\n    comparePlaylistBandwidth: comparePlaylistBandwidth,\n    comparePlaylistResolution: comparePlaylistResolution,\n    xhr: xhrFactory()\n  }; // Define getter/setters for config properites\n\n  ['GOAL_BUFFER_LENGTH', 'MAX_GOAL_BUFFER_LENGTH', 'GOAL_BUFFER_LENGTH_RATE', 'BUFFER_LOW_WATER_LINE', 'MAX_BUFFER_LOW_WATER_LINE', 'BUFFER_LOW_WATER_LINE_RATE', 'BANDWIDTH_VARIANCE'].forEach(function (prop) {\n    Object.defineProperty(Hls$1, prop, {\n      get: function get$$1() {\n        videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');\n        return Config[prop];\n      },\n      set: function set$$1(value) {\n        videojs$1.log.warn('using Hls.' + prop + ' is UNSAFE be sure you know what you are doing');\n\n        if (typeof value !== 'number' || value < 0) {\n          videojs$1.log.warn('value of Hls.' + prop + ' must be greater than or equal to 0');\n          return;\n        }\n\n        Config[prop] = value;\n      }\n    });\n  });\n  var LOCAL_STORAGE_KEY$1 = 'videojs-vhs';\n\n  var simpleTypeFromSourceType = function simpleTypeFromSourceType(type) {\n    var mpegurlRE = /^(audio|video|application)\\/(x-|vnd\\.apple\\.)?mpegurl/i;\n\n    if (mpegurlRE.test(type)) {\n      return 'hls';\n    }\n\n    var dashRE = /^application\\/dash\\+xml/i;\n\n    if (dashRE.test(type)) {\n      return 'dash';\n    }\n\n    return null;\n  };\n  /**\n   * Updates the selectedIndex of the QualityLevelList when a mediachange happens in hls.\n   *\n   * @param {QualityLevelList} qualityLevels The QualityLevelList to update.\n   * @param {PlaylistLoader} playlistLoader PlaylistLoader containing the new media info.\n   * @function handleHlsMediaChange\n   */\n\n\n  var handleHlsMediaChange = function handleHlsMediaChange(qualityLevels, playlistLoader) {\n    var newPlaylist = playlistLoader.media();\n    var selectedIndex = -1;\n\n    for (var i = 0; i < qualityLevels.length; i++) {\n      if (qualityLevels[i].id === newPlaylist.id) {\n        selectedIndex = i;\n        break;\n      }\n    }\n\n    qualityLevels.selectedIndex_ = selectedIndex;\n    qualityLevels.trigger({\n      selectedIndex: selectedIndex,\n      type: 'change'\n    });\n  };\n  /**\n   * Adds quality levels to list once playlist metadata is available\n   *\n   * @param {QualityLevelList} qualityLevels The QualityLevelList to attach events to.\n   * @param {Object} hls Hls object to listen to for media events.\n   * @function handleHlsLoadedMetadata\n   */\n\n\n  var handleHlsLoadedMetadata = function handleHlsLoadedMetadata(qualityLevels, hls) {\n    hls.representations().forEach(function (rep) {\n      qualityLevels.addQualityLevel(rep);\n    });\n    handleHlsMediaChange(qualityLevels, hls.playlists);\n  }; // HLS is a source handler, not a tech. Make sure attempts to use it\n  // as one do not cause exceptions.\n\n\n  Hls$1.canPlaySource = function () {\n    return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\\'s techOrder.');\n  };\n\n  var emeKeySystems = function emeKeySystems(keySystemOptions, mainSegmentLoader, audioSegmentLoader) {\n    if (!keySystemOptions) {\n      return keySystemOptions;\n    }\n\n    var videoMimeType = void 0;\n    var audioMimeType = void 0; // if there is a mimeType associated with the audioSegmentLoader, then the audio\n    // and video mimeType and codec strings are already in the format we need to\n    // pass with the other key systems\n\n    if (audioSegmentLoader.mimeType_) {\n      videoMimeType = mainSegmentLoader.mimeType_;\n      audioMimeType = audioSegmentLoader.mimeType_; // if there is no audioSegmentLoader mimeType, then we have to create the\n      // the audio and video mimeType/codec strings from information extrapolated\n      // from the mainSegmentLoader mimeType (ex. 'video/mp4; codecs=\"mp4, avc1\"' -->\n      // 'video/mp4; codecs=\"avc1\"' and 'audio/mp4; codecs=\"mp4\"')\n    } else {\n      var parsedMimeType = parseContentType(mainSegmentLoader.mimeType_);\n      var codecs = parsedMimeType.parameters.codecs.split(',');\n      var audioCodec = void 0;\n      var videoCodec = void 0;\n      codecs.forEach(function (codec) {\n        codec = codec.trim();\n\n        if (isAudioCodec(codec)) {\n          audioCodec = codec;\n        } else if (isVideoCodec(codec)) {\n          videoCodec = codec;\n        }\n      });\n      videoMimeType = parsedMimeType.type + '; codecs=\"' + videoCodec + '\"';\n      audioMimeType = parsedMimeType.type.replace('video', 'audio') + '; codecs=\"' + audioCodec + '\"';\n    } // upsert the content types based on the selected playlist\n\n\n    var keySystemContentTypes = {};\n    var videoPlaylist = mainSegmentLoader.playlist_;\n\n    for (var keySystem in keySystemOptions) {\n      keySystemContentTypes[keySystem] = {\n        audioContentType: audioMimeType,\n        videoContentType: videoMimeType\n      };\n\n      if (videoPlaylist.contentProtection && videoPlaylist.contentProtection[keySystem] && videoPlaylist.contentProtection[keySystem].pssh) {\n        keySystemContentTypes[keySystem].pssh = videoPlaylist.contentProtection[keySystem].pssh;\n      } // videojs-contrib-eme accepts the option of specifying: 'com.some.cdm': 'url'\n      // so we need to prevent overwriting the URL entirely\n\n\n      if (typeof keySystemOptions[keySystem] === 'string') {\n        keySystemContentTypes[keySystem].url = keySystemOptions[keySystem];\n      }\n    }\n\n    return videojs$1.mergeOptions(keySystemOptions, keySystemContentTypes);\n  };\n\n  var setupEmeOptions = function setupEmeOptions(hlsHandler) {\n    var mainSegmentLoader = hlsHandler.masterPlaylistController_.mainSegmentLoader_;\n    var audioSegmentLoader = hlsHandler.masterPlaylistController_.audioSegmentLoader_;\n    var player = videojs$1.players[hlsHandler.tech_.options_.playerId];\n\n    if (player.eme) {\n      var sourceOptions = emeKeySystems(hlsHandler.source_.keySystems, mainSegmentLoader, audioSegmentLoader);\n\n      if (sourceOptions) {\n        player.currentSource().keySystems = sourceOptions; // Works around https://bugs.chromium.org/p/chromium/issues/detail?id=895449\n        // in non-IE11 browsers. In IE11 this is too early to initialize media keys\n\n        if (!(videojs$1.browser.IE_VERSION === 11) && player.eme.initializeMediaKeys) {\n          player.eme.initializeMediaKeys();\n        }\n      }\n    }\n  };\n\n  var getVhsLocalStorage = function getVhsLocalStorage() {\n    if (!window.localStorage) {\n      return null;\n    }\n\n    var storedObject = window.localStorage.getItem(LOCAL_STORAGE_KEY$1);\n\n    if (!storedObject) {\n      return null;\n    }\n\n    try {\n      return JSON.parse(storedObject);\n    } catch (e) {\n      // someone may have tampered with the value\n      return null;\n    }\n  };\n\n  var updateVhsLocalStorage = function updateVhsLocalStorage(options) {\n    if (!window.localStorage) {\n      return false;\n    }\n\n    var objectToStore = getVhsLocalStorage();\n    objectToStore = objectToStore ? videojs$1.mergeOptions(objectToStore, options) : options;\n\n    try {\n      window.localStorage.setItem(LOCAL_STORAGE_KEY$1, JSON.stringify(objectToStore));\n    } catch (e) {\n      // Throws if storage is full (e.g., always on iOS 5+ Safari private mode, where\n      // storage is set to 0).\n      // https://developer.mozilla.org/en-US/docs/Web/API/Storage/setItem#Exceptions\n      // No need to perform any operation.\n      return false;\n    }\n\n    return objectToStore;\n  };\n  /**\n   * Whether the browser has built-in HLS support.\n   */\n\n\n  Hls$1.supportsNativeHls = function () {\n    var video = document.createElement('video'); // native HLS is definitely not supported if HTML5 video isn't\n\n    if (!videojs$1.getTech('Html5').isSupported()) {\n      return false;\n    } // HLS manifests can go by many mime-types\n\n\n    var canPlay = [// Apple santioned\n    'application/vnd.apple.mpegurl', // Apple sanctioned for backwards compatibility\n    'audio/mpegurl', // Very common\n    'audio/x-mpegurl', // Very common\n    'application/x-mpegurl', // Included for completeness\n    'video/x-mpegurl', 'video/mpegurl', 'application/mpegurl'];\n    return canPlay.some(function (canItPlay) {\n      return /maybe|probably/i.test(video.canPlayType(canItPlay));\n    });\n  }();\n\n  Hls$1.supportsNativeDash = function () {\n    if (!videojs$1.getTech('Html5').isSupported()) {\n      return false;\n    }\n\n    return /maybe|probably/i.test(document.createElement('video').canPlayType('application/dash+xml'));\n  }();\n\n  Hls$1.supportsTypeNatively = function (type) {\n    if (type === 'hls') {\n      return Hls$1.supportsNativeHls;\n    }\n\n    if (type === 'dash') {\n      return Hls$1.supportsNativeDash;\n    }\n\n    return false;\n  };\n  /**\n   * HLS is a source handler, not a tech. Make sure attempts to use it\n   * as one do not cause exceptions.\n   */\n\n\n  Hls$1.isSupported = function () {\n    return videojs$1.log.warn('HLS is no longer a tech. Please remove it from ' + 'your player\\'s techOrder.');\n  };\n\n  var Component$1 = videojs$1.getComponent('Component');\n  /**\n   * The Hls Handler object, where we orchestrate all of the parts\n   * of HLS to interact with video.js\n   *\n   * @class HlsHandler\n   * @extends videojs.Component\n   * @param {Object} source the soruce object\n   * @param {Tech} tech the parent tech object\n   * @param {Object} options optional and required options\n   */\n\n  var HlsHandler = function (_Component) {\n    inherits$2(HlsHandler, _Component);\n\n    function HlsHandler(source, tech, options) {\n      classCallCheck$1(this, HlsHandler); // tech.player() is deprecated but setup a reference to HLS for\n      // backwards-compatibility\n\n      var _this = possibleConstructorReturn$1(this, (HlsHandler.__proto__ || Object.getPrototypeOf(HlsHandler)).call(this, tech, options.hls));\n\n      if (tech.options_ && tech.options_.playerId) {\n        var _player = videojs$1(tech.options_.playerId);\n\n        if (!_player.hasOwnProperty('hls')) {\n          Object.defineProperty(_player, 'hls', {\n            get: function get$$1() {\n              videojs$1.log.warn('player.hls is deprecated. Use player.tech().hls instead.');\n              tech.trigger({\n                type: 'usage',\n                name: 'hls-player-access'\n              });\n              return _this;\n            },\n            configurable: true\n          });\n        } // Set up a reference to the HlsHandler from player.vhs. This allows users to start\n        // migrating from player.tech_.hls... to player.vhs... for API access. Although this\n        // isn't the most appropriate form of reference for video.js (since all APIs should\n        // be provided through core video.js), it is a common pattern for plugins, and vhs\n        // will act accordingly.\n\n\n        _player.vhs = _this; // deprecated, for backwards compatibility\n\n        _player.dash = _this;\n        _this.player_ = _player;\n      }\n\n      _this.tech_ = tech;\n      _this.source_ = source;\n      _this.stats = {};\n\n      _this.setOptions_();\n\n      if (_this.options_.overrideNative && tech.overrideNativeAudioTracks && tech.overrideNativeVideoTracks) {\n        tech.overrideNativeAudioTracks(true);\n        tech.overrideNativeVideoTracks(true);\n      } else if (_this.options_.overrideNative && (tech.featuresNativeVideoTracks || tech.featuresNativeAudioTracks)) {\n        // overriding native HLS only works if audio tracks have been emulated\n        // error early if we're misconfigured\n        throw new Error('Overriding native HLS requires emulated tracks. ' + 'See https://git.io/vMpjB');\n      } // listen for fullscreenchange events for this player so that we\n      // can adjust our quality selection quickly\n\n\n      _this.on(document, ['fullscreenchange', 'webkitfullscreenchange', 'mozfullscreenchange', 'MSFullscreenChange'], function (event) {\n        var fullscreenElement = document.fullscreenElement || document.webkitFullscreenElement || document.mozFullScreenElement || document.msFullscreenElement;\n\n        if (fullscreenElement && fullscreenElement.contains(_this.tech_.el())) {\n          _this.masterPlaylistController_.smoothQualityChange_();\n        }\n      }); // Handle seeking when looping - middleware doesn't handle this seek event from the tech\n\n\n      _this.on(_this.tech_, 'seeking', function () {\n        if (this.tech_.currentTime() === 0 && this.tech_.player_.loop()) {\n          this.setCurrentTime(0);\n        }\n      });\n\n      _this.on(_this.tech_, 'error', function () {\n        if (this.masterPlaylistController_) {\n          this.masterPlaylistController_.pauseLoading();\n        }\n      });\n\n      _this.on(_this.tech_, 'play', _this.play);\n\n      return _this;\n    }\n\n    createClass$1(HlsHandler, [{\n      key: 'setOptions_',\n      value: function setOptions_() {\n        var _this2 = this; // defaults\n\n\n        this.options_.withCredentials = this.options_.withCredentials || false;\n        this.options_.handleManifestRedirects = this.options_.handleManifestRedirects || false;\n        this.options_.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions === false ? false : true;\n        this.options_.smoothQualityChange = this.options_.smoothQualityChange || false;\n        this.options_.useBandwidthFromLocalStorage = typeof this.source_.useBandwidthFromLocalStorage !== 'undefined' ? this.source_.useBandwidthFromLocalStorage : this.options_.useBandwidthFromLocalStorage || false;\n        this.options_.customTagParsers = this.options_.customTagParsers || [];\n        this.options_.customTagMappers = this.options_.customTagMappers || [];\n        this.options_.cacheEncryptionKeys = this.options_.cacheEncryptionKeys || false;\n\n        if (typeof this.options_.blacklistDuration !== 'number') {\n          this.options_.blacklistDuration = 5 * 60;\n        }\n\n        if (typeof this.options_.bandwidth !== 'number') {\n          if (this.options_.useBandwidthFromLocalStorage) {\n            var storedObject = getVhsLocalStorage();\n\n            if (storedObject && storedObject.bandwidth) {\n              this.options_.bandwidth = storedObject.bandwidth;\n              this.tech_.trigger({\n                type: 'usage',\n                name: 'hls-bandwidth-from-local-storage'\n              });\n            }\n\n            if (storedObject && storedObject.throughput) {\n              this.options_.throughput = storedObject.throughput;\n              this.tech_.trigger({\n                type: 'usage',\n                name: 'hls-throughput-from-local-storage'\n              });\n            }\n          }\n        } // if bandwidth was not set by options or pulled from local storage, start playlist\n        // selection at a reasonable bandwidth\n\n\n        if (typeof this.options_.bandwidth !== 'number') {\n          this.options_.bandwidth = Config.INITIAL_BANDWIDTH;\n        } // If the bandwidth number is unchanged from the initial setting\n        // then this takes precedence over the enableLowInitialPlaylist option\n\n\n        this.options_.enableLowInitialPlaylist = this.options_.enableLowInitialPlaylist && this.options_.bandwidth === Config.INITIAL_BANDWIDTH; // grab options passed to player.src\n\n        ['withCredentials', 'limitRenditionByPlayerDimensions', 'bandwidth', 'smoothQualityChange', 'customTagParsers', 'customTagMappers', 'handleManifestRedirects', 'cacheEncryptionKeys'].forEach(function (option) {\n          if (typeof _this2.source_[option] !== 'undefined') {\n            _this2.options_[option] = _this2.source_[option];\n          }\n        });\n        this.limitRenditionByPlayerDimensions = this.options_.limitRenditionByPlayerDimensions;\n      }\n      /**\n       * called when player.src gets called, handle a new source\n       *\n       * @param {Object} src the source object to handle\n       */\n\n    }, {\n      key: 'src',\n      value: function src(_src, type) {\n        var _this3 = this; // do nothing if the src is falsey\n\n\n        if (!_src) {\n          return;\n        }\n\n        this.setOptions_(); // add master playlist controller options\n\n        this.options_.url = this.source_.src;\n        this.options_.tech = this.tech_;\n        this.options_.externHls = Hls$1;\n        this.options_.sourceType = simpleTypeFromSourceType(type); // Whenever we seek internally, we should update both the tech and call our own\n        // setCurrentTime function. This is needed because \"seeking\" events aren't always\n        // reliable. External seeks (via the player object) are handled via middleware.\n\n        this.options_.seekTo = function (time) {\n          _this3.tech_.setCurrentTime(time);\n\n          _this3.setCurrentTime(time);\n        };\n\n        this.masterPlaylistController_ = new MasterPlaylistController(this.options_);\n        this.playbackWatcher_ = new PlaybackWatcher(videojs$1.mergeOptions(this.options_, {\n          seekable: function seekable$$1() {\n            return _this3.seekable();\n          },\n          media: function media() {\n            return _this3.masterPlaylistController_.media();\n          }\n        }));\n        this.masterPlaylistController_.on('error', function () {\n          var player = videojs$1.players[_this3.tech_.options_.playerId];\n          player.error(_this3.masterPlaylistController_.error);\n        }); // `this` in selectPlaylist should be the HlsHandler for backwards\n        // compatibility with < v2\n\n        this.masterPlaylistController_.selectPlaylist = this.selectPlaylist ? this.selectPlaylist.bind(this) : Hls$1.STANDARD_PLAYLIST_SELECTOR.bind(this);\n        this.masterPlaylistController_.selectInitialPlaylist = Hls$1.INITIAL_PLAYLIST_SELECTOR.bind(this); // re-expose some internal objects for backwards compatibility with < v2\n\n        this.playlists = this.masterPlaylistController_.masterPlaylistLoader_;\n        this.mediaSource = this.masterPlaylistController_.mediaSource; // Proxy assignment of some properties to the master playlist\n        // controller. Using a custom property for backwards compatibility\n        // with < v2\n\n        Object.defineProperties(this, {\n          selectPlaylist: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.selectPlaylist;\n            },\n            set: function set$$1(selectPlaylist) {\n              this.masterPlaylistController_.selectPlaylist = selectPlaylist.bind(this);\n            }\n          },\n          throughput: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate;\n            },\n            set: function set$$1(throughput) {\n              this.masterPlaylistController_.mainSegmentLoader_.throughput.rate = throughput; // By setting `count` to 1 the throughput value becomes the starting value\n              // for the cumulative average\n\n              this.masterPlaylistController_.mainSegmentLoader_.throughput.count = 1;\n            }\n          },\n          bandwidth: {\n            get: function get$$1() {\n              return this.masterPlaylistController_.mainSegmentLoader_.bandwidth;\n            },\n            set: function set$$1(bandwidth) {\n              this.masterPlaylistController_.mainSegmentLoader_.bandwidth = bandwidth; // setting the bandwidth manually resets the throughput counter\n              // `count` is set to zero that current value of `rate` isn't included\n              // in the cumulative average\n\n              this.masterPlaylistController_.mainSegmentLoader_.throughput = {\n                rate: 0,\n                count: 0\n              };\n            }\n          },\n\n          /**\n           * `systemBandwidth` is a combination of two serial processes bit-rates. The first\n           * is the network bitrate provided by `bandwidth` and the second is the bitrate of\n           * the entire process after that - decryption, transmuxing, and appending - provided\n           * by `throughput`.\n           *\n           * Since the two process are serial, the overall system bandwidth is given by:\n           *   sysBandwidth = 1 / (1 / bandwidth + 1 / throughput)\n           */\n          systemBandwidth: {\n            get: function get$$1() {\n              var invBandwidth = 1 / (this.bandwidth || 1);\n              var invThroughput = void 0;\n\n              if (this.throughput > 0) {\n                invThroughput = 1 / this.throughput;\n              } else {\n                invThroughput = 0;\n              }\n\n              var systemBitrate = Math.floor(1 / (invBandwidth + invThroughput));\n              return systemBitrate;\n            },\n            set: function set$$1() {\n              videojs$1.log.error('The \"systemBandwidth\" property is read-only');\n            }\n          }\n        });\n\n        if (this.options_.bandwidth) {\n          this.bandwidth = this.options_.bandwidth;\n        }\n\n        if (this.options_.throughput) {\n          this.throughput = this.options_.throughput;\n        }\n\n        Object.defineProperties(this.stats, {\n          bandwidth: {\n            get: function get$$1() {\n              return _this3.bandwidth || 0;\n            },\n            enumerable: true\n          },\n          mediaRequests: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequests_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsAborted: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsAborted_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsTimedout: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsTimedout_() || 0;\n            },\n            enumerable: true\n          },\n          mediaRequestsErrored: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaRequestsErrored_() || 0;\n            },\n            enumerable: true\n          },\n          mediaTransferDuration: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaTransferDuration_() || 0;\n            },\n            enumerable: true\n          },\n          mediaBytesTransferred: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaBytesTransferred_() || 0;\n            },\n            enumerable: true\n          },\n          mediaSecondsLoaded: {\n            get: function get$$1() {\n              return _this3.masterPlaylistController_.mediaSecondsLoaded_() || 0;\n            },\n            enumerable: true\n          },\n          buffered: {\n            get: function get$$1() {\n              return timeRangesToArray(_this3.tech_.buffered());\n            },\n            enumerable: true\n          },\n          currentTime: {\n            get: function get$$1() {\n              return _this3.tech_.currentTime();\n            },\n            enumerable: true\n          },\n          currentSource: {\n            get: function get$$1() {\n              return _this3.tech_.currentSource_;\n            },\n            enumerable: true\n          },\n          currentTech: {\n            get: function get$$1() {\n              return _this3.tech_.name_;\n            },\n            enumerable: true\n          },\n          duration: {\n            get: function get$$1() {\n              return _this3.tech_.duration();\n            },\n            enumerable: true\n          },\n          master: {\n            get: function get$$1() {\n              return _this3.playlists.master;\n            },\n            enumerable: true\n          },\n          playerDimensions: {\n            get: function get$$1() {\n              return _this3.tech_.currentDimensions();\n            },\n            enumerable: true\n          },\n          seekable: {\n            get: function get$$1() {\n              return timeRangesToArray(_this3.tech_.seekable());\n            },\n            enumerable: true\n          },\n          timestamp: {\n            get: function get$$1() {\n              return Date.now();\n            },\n            enumerable: true\n          },\n          videoPlaybackQuality: {\n            get: function get$$1() {\n              return _this3.tech_.getVideoPlaybackQuality();\n            },\n            enumerable: true\n          }\n        });\n        this.tech_.one('canplay', this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_));\n        this.tech_.on('bandwidthupdate', function () {\n          if (_this3.options_.useBandwidthFromLocalStorage) {\n            updateVhsLocalStorage({\n              bandwidth: _this3.bandwidth,\n              throughput: Math.round(_this3.throughput)\n            });\n          }\n        });\n        this.masterPlaylistController_.on('selectedinitialmedia', function () {\n          // Add the manual rendition mix-in to HlsHandler\n          renditionSelectionMixin(_this3);\n          setupEmeOptions(_this3);\n        }); // the bandwidth of the primary segment loader is our best\n        // estimate of overall bandwidth\n\n        this.on(this.masterPlaylistController_, 'progress', function () {\n          this.tech_.trigger('progress');\n        });\n        this.setupQualityLevels_(); // do nothing if the tech has been disposed already\n        // this can occur if someone sets the src in player.ready(), for instance\n\n        if (!this.tech_.el()) {\n          return;\n        }\n\n        this.tech_.src(videojs$1.URL.createObjectURL(this.masterPlaylistController_.mediaSource));\n      }\n      /**\n       * Initializes the quality levels and sets listeners to update them.\n       *\n       * @method setupQualityLevels_\n       * @private\n       */\n\n    }, {\n      key: 'setupQualityLevels_',\n      value: function setupQualityLevels_() {\n        var _this4 = this;\n\n        var player = videojs$1.players[this.tech_.options_.playerId]; // if there isn't a player or there isn't a qualityLevels plugin\n        // or qualityLevels_ listeners have already been setup, do nothing.\n\n        if (!player || !player.qualityLevels || this.qualityLevels_) {\n          return;\n        }\n\n        this.qualityLevels_ = player.qualityLevels();\n        this.masterPlaylistController_.on('selectedinitialmedia', function () {\n          handleHlsLoadedMetadata(_this4.qualityLevels_, _this4);\n        });\n        this.playlists.on('mediachange', function () {\n          handleHlsMediaChange(_this4.qualityLevels_, _this4.playlists);\n        });\n      }\n      /**\n       * Begin playing the video.\n       */\n\n    }, {\n      key: 'play',\n      value: function play() {\n        this.masterPlaylistController_.play();\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'setCurrentTime',\n      value: function setCurrentTime(currentTime) {\n        this.masterPlaylistController_.setCurrentTime(currentTime);\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'duration',\n      value: function duration$$1() {\n        return this.masterPlaylistController_.duration();\n      }\n      /**\n       * a wrapper around the function in MasterPlaylistController\n       */\n\n    }, {\n      key: 'seekable',\n      value: function seekable$$1() {\n        return this.masterPlaylistController_.seekable();\n      }\n      /**\n       * Abort all outstanding work and cleanup.\n       */\n\n    }, {\n      key: 'dispose',\n      value: function dispose() {\n        if (this.playbackWatcher_) {\n          this.playbackWatcher_.dispose();\n        }\n\n        if (this.masterPlaylistController_) {\n          this.masterPlaylistController_.dispose();\n        }\n\n        if (this.qualityLevels_) {\n          this.qualityLevels_.dispose();\n        }\n\n        if (this.player_) {\n          delete this.player_.vhs;\n          delete this.player_.dash;\n          delete this.player_.hls;\n        }\n\n        if (this.tech_ && this.tech_.hls) {\n          delete this.tech_.hls;\n        }\n\n        get$1(HlsHandler.prototype.__proto__ || Object.getPrototypeOf(HlsHandler.prototype), 'dispose', this).call(this);\n      }\n    }, {\n      key: 'convertToProgramTime',\n      value: function convertToProgramTime(time, callback) {\n        return getProgramTime({\n          playlist: this.masterPlaylistController_.media(),\n          time: time,\n          callback: callback\n        });\n      } // the player must be playing before calling this\n\n    }, {\n      key: 'seekToProgramTime',\n      value: function seekToProgramTime$$1(programTime, callback) {\n        var pauseAfterSeek = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;\n        var retryCount = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 2;\n        return seekToProgramTime({\n          programTime: programTime,\n          playlist: this.masterPlaylistController_.media(),\n          retryCount: retryCount,\n          pauseAfterSeek: pauseAfterSeek,\n          seekTo: this.options_.seekTo,\n          tech: this.options_.tech,\n          callback: callback\n        });\n      }\n    }]);\n    return HlsHandler;\n  }(Component$1);\n  /**\n   * The Source Handler object, which informs video.js what additional\n   * MIME types are supported and sets up playback. It is registered\n   * automatically to the appropriate tech based on the capabilities of\n   * the browser it is running in. It is not necessary to use or modify\n   * this object in normal usage.\n   */\n\n\n  var HlsSourceHandler = {\n    name: 'videojs-http-streaming',\n    VERSION: version$1,\n    canHandleSource: function canHandleSource(srcObj) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n      var localOptions = videojs$1.mergeOptions(videojs$1.options, options);\n      return HlsSourceHandler.canPlayType(srcObj.type, localOptions);\n    },\n    handleSource: function handleSource(source, tech) {\n      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};\n      var localOptions = videojs$1.mergeOptions(videojs$1.options, options);\n      tech.hls = new HlsHandler(source, tech, localOptions);\n      tech.hls.xhr = xhrFactory();\n      tech.hls.src(source.src, source.type);\n      return tech.hls;\n    },\n    canPlayType: function canPlayType(type) {\n      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};\n\n      var _videojs$mergeOptions = videojs$1.mergeOptions(videojs$1.options, options),\n          overrideNative = _videojs$mergeOptions.hls.overrideNative;\n\n      var supportedType = simpleTypeFromSourceType(type);\n      var canUseMsePlayback = supportedType && (!Hls$1.supportsTypeNatively(supportedType) || overrideNative);\n      return canUseMsePlayback ? 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diff --git a/media/player/videojs/amd/build/videojs-flash-lazy.min.js b/media/player/videojs/amd/build/videojs-flash-lazy.min.js
index 4261a460773..70beccecd1e 100644
--- a/media/player/videojs/amd/build/videojs-flash-lazy.min.js
+++ b/media/player/videojs/amd/build/videojs-flash-lazy.min.js
@@ -1,2 +1,9 @@
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d=a.streamToParts(b.src);c.setRtmpConnection(d.connection);c.setRtmpStream(d.stream)};a.registerSourceHandler(a.rtmpSourceHandler);return a})(o);if(h.getTech("Flash")){a.log.warn("Not using videojs-flash as it appears to already be registered");a.log.warn("videojs-flash should only be used with video.js@6 and above")}else{a.registerTech("Flash",o)}o.VERSION="2.2.1";return o});
-//# sourceMappingURL=videojs-flash-lazy.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * videojs-flash
+ * @version 2.2.1
+ * @copyright 2020 Brightcove, Inc.
+ * @license Apache-2.0
+ */}!function(global,factory){"object"===("undefined"==typeof exports?"undefined":_typeof(exports))&&"undefined"!=typeof module?module.exports=factory(require("video.js")):"function"==typeof define&&define.amd?define("media_videojs/videojs-flash-lazy",["media_videojs/video-lazy"],factory):global.videojsFlash=factory(global.videojs)}(window,(function(videojs){videojs=videojs&&videojs.hasOwnProperty("default")?videojs.default:videojs;var commonjsGlobal="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{},window_1="undefined"!=typeof window?window:void 0!==commonjsGlobal?commonjsGlobal:"undefined"!=typeof self?self:{},Tech=videojs.getComponent("Tech"),Dom=videojs.dom,Url=videojs.url,createTimeRange=videojs.createTimeRange,mergeOptions=videojs.mergeOptions,navigator=window_1&&window_1.navigator||{},Flash=function(_Tech){function Flash(options,ready){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Flash);var _this=function(self,call){if(!self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!call||"object"!==_typeof(call)&&"function"!=typeof call?self:call}(this,_Tech.call(this,options,ready));return options.source&&_this.ready((function(){this.setSource(options.source)}),!0),options.startTime&&_this.ready((function(){this.load(),this.play(),this.currentTime(options.startTime)}),!0),window_1.videojs=window_1.videojs||{},window_1.videojs.Flash=window_1.videojs.Flash||{},window_1.videojs.Flash.onReady=Flash.onReady,window_1.videojs.Flash.onEvent=Flash.onEvent,window_1.videojs.Flash.onError=Flash.onError,_this.on("seeked",(function(){this.lastSeekTarget_=void 0})),_this}return function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function, not "+_typeof(superClass));subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,enumerable:!1,writable:!0,configurable:!0}}),superClass&&(Object.setPrototypeOf?Object.setPrototypeOf(subClass,superClass):subClass.__proto__=superClass)}(Flash,_Tech),Flash.prototype.createEl=function(){var options=this.options_;options.swf||(options.swf="https://vjs.zencdn.net/swf/5.4.2/video-js.swf");var objId=options.techId,flashVars=mergeOptions({readyFunction:"videojs.Flash.onReady",eventProxyFunction:"videojs.Flash.onEvent",errorEventProxyFunction:"videojs.Flash.onError",autoplay:options.autoplay,preload:options.preload,loop:options.loop,muted:options.muted},options.flashVars),params=mergeOptions({wmode:"opaque",bgcolor:"#000000"},options.params),attributes=mergeOptions({id:objId,name:objId,class:"vjs-tech"},options.attributes);return this.el_=Flash.embed(options.swf,flashVars,params,attributes),this.el_.tech=this,this.el_},Flash.prototype.play=function(){this.ended()&&this.setCurrentTime(0),this.el_.vjs_play()},Flash.prototype.pause=function(){this.el_.vjs_pause()},Flash.prototype.src=function(_src){return void 0===_src?this.currentSrc():this.setSrc(_src)},Flash.prototype.setSrc=function(src){var _this2=this;src=Url.getAbsoluteURL(src),this.el_.vjs_src(src),this.autoplay()&&this.setTimeout((function(){return _this2.play()}),0)},Flash.prototype.seeking=function(){return void 0!==this.lastSeekTarget_},Flash.prototype.setCurrentTime=function(time){var seekable=this.seekable();seekable.length&&(time=(time=time>seekable.start(0)?time:seekable.start(0))<seekable.end(seekable.length-1)?time:seekable.end(seekable.length-1),this.lastSeekTarget_=time,this.trigger("seeking"),this.el_.vjs_setProperty("currentTime",time),_Tech.prototype.setCurrentTime.call(this))},Flash.prototype.currentTime=function(){return this.seeking()?this.lastSeekTarget_||0:this.el_.vjs_getProperty("currentTime")},Flash.prototype.currentSrc=function(){return this.currentSource_?this.currentSource_.src:this.el_.vjs_getProperty("currentSrc")},Flash.prototype.duration=function(){if(0===this.readyState())return NaN;var duration=this.el_.vjs_getProperty("duration");return duration>=0?duration:1/0},Flash.prototype.load=function(){this.el_.vjs_load()},Flash.prototype.poster=function(){this.el_.vjs_getProperty("poster")},Flash.prototype.setPoster=function(){},Flash.prototype.seekable=function(){var duration=this.duration();return 0===duration?createTimeRange():createTimeRange(0,duration)},Flash.prototype.buffered=function(){var ranges=this.el_.vjs_getProperty("buffered");return 0===ranges.length?createTimeRange():createTimeRange(ranges[0][0],ranges[0][1])},Flash.prototype.supportsFullScreen=function(){return!1},Flash.prototype.enterFullScreen=function(){return!1},Flash.prototype.getVideoPlaybackQuality=function(){var videoPlaybackQuality=this.el_.vjs_getProperty("getVideoPlaybackQuality");return window_1.performance&&"function"==typeof window_1.performance.now?videoPlaybackQuality.creationTime=window_1.performance.now():window_1.performance&&window_1.performance.timing&&"number"==typeof window_1.performance.timing.navigationStart&&(videoPlaybackQuality.creationTime=window_1.Date.now()-window_1.performance.timing.navigationStart),videoPlaybackQuality},Flash}(Tech),_readWrite=["rtmpConnection","rtmpStream","preload","defaultPlaybackRate","playbackRate","autoplay","loop","controls","volume","muted","defaultMuted"],_readOnly=["networkState","readyState","initialTime","startOffsetTime","paused","ended","videoWidth","videoHeight"],_api=Flash.prototype;function _createSetter(attr){var attrUpper=attr.charAt(0).toUpperCase()+attr.slice(1);_api["set"+attrUpper]=function(val){return this.el_.vjs_setProperty(attr,val)}}function _createGetter(attr){_api[attr]=function(){return this.el_.vjs_getProperty(attr)}}for(var i=0;i<_readWrite.length;i++)_createGetter(_readWrite[i]),_createSetter(_readWrite[i]);for(var _i=0;_i<_readOnly.length;_i++)_createGetter(_readOnly[_i]);return Flash.isSupported=function(){return!((!videojs.browser.IS_CHROME||videojs.browser.IS_ANDROID&&videojs.browser.IS_IOS)&&(!videojs.browser.IS_SAFARI||videojs.browser.IS_IOS)&&!videojs.browser.IS_EDGE)||Flash.version()[0]>=10},Tech.withSourceHandlers(Flash),Flash.nativeSourceHandler={},Flash.nativeSourceHandler.canPlayType=function(type){return type in Flash.formats?"maybe":""},Flash.nativeSourceHandler.canHandleSource=function(source,options){var src,ext,type=void 0;return source.type?type=source.type.replace(/;.*/,"").toLowerCase():(src=source.src,type=(ext=Url.getFileExtension(src))?"video/"+ext:""),Flash.nativeSourceHandler.canPlayType(type)},Flash.nativeSourceHandler.handleSource=function(source,tech,options){tech.setSrc(source.src)},Flash.nativeSourceHandler.dispose=function(){},Flash.registerSourceHandler(Flash.nativeSourceHandler),Flash.formats={"video/flv":"FLV","video/x-flv":"FLV","video/mp4":"MP4","video/m4v":"MP4"},Flash.onReady=function(currSwf){var el=Dom.$("#"+currSwf),tech=el&&el.tech;tech&&tech.el()&&Flash.checkReady(tech)},Flash.checkReady=function(tech){tech.el()&&(tech.el().vjs_getProperty?tech.triggerReady():this.setTimeout((function(){Flash.checkReady(tech)}),50))},Flash.onEvent=function(swfID,eventName){var tech=Dom.$("#"+swfID).tech,args=Array.prototype.slice.call(arguments,2);tech.setTimeout((function(){tech.trigger(eventName,args)}),1)},Flash.onError=function(swfID,err){var tech=Dom.$("#"+swfID).tech;if("srcnotfound"===err)return tech.error(4);"string"==typeof err?tech.error("FLASH: "+err):(err.origin="flash",tech.error(err))},Flash.version=function(){var version$$1="0,0,0";try{version$$1=new window_1.ActiveXObject("ShockwaveFlash.ShockwaveFlash").GetVariable("$version").replace(/\D+/g,",").match(/^,?(.+),?$/)[1]}catch(e){try{navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin&&(version$$1=(navigator.plugins["Shockwave Flash 2.0"]||navigator.plugins["Shockwave Flash"]).description.replace(/\D+/g,",").match(/^,?(.+),?$/)[1])}catch(err){}}return version$$1.split(",")},Flash.embed=function(swf,flashVars,params,attributes){var code=Flash.getEmbedCode(swf,flashVars,params,attributes);return Dom.createEl("div",{innerHTML:code}).childNodes[0]},Flash.getEmbedCode=function(swf,flashVars,params,attributes){var flashVarsString="",paramsString="",attrsString="";return flashVars&&Object.getOwnPropertyNames(flashVars).forEach((function(key){flashVarsString+=key+"="+flashVars[key]+"&amp;"})),params=mergeOptions({movie:swf,flashvars:flashVarsString,allowScriptAccess:"always",allowNetworking:"all"},params),Object.getOwnPropertyNames(params).forEach((function(key){paramsString+='<param name="'+key+'" value="'+params[key]+'" />'})),attributes=mergeOptions({data:swf,width:"100%",height:"100%"},attributes),Object.getOwnPropertyNames(attributes).forEach((function(key){attrsString+=key+'="'+attributes[key]+'" '})),'<object type="application/x-shockwave-flash" '+attrsString+">"+paramsString+"</object>"},function(Flash){Flash.streamingFormats={"rtmp/mp4":"MP4","rtmp/flv":"FLV"},Flash.streamFromParts=function(connection,stream){return connection+"&"+stream},Flash.streamToParts=function(src){var parts={connection:"",stream:""};if(!src)return parts;var connEnd=src.search(/&(?![\w-]+=)/),streamBegin=void 0;return-1!==connEnd?streamBegin=connEnd+1:0===(connEnd=streamBegin=src.lastIndexOf("/")+1)&&(connEnd=streamBegin=src.length),parts.connection=src.substring(0,connEnd),parts.stream=src.substring(streamBegin,src.length),parts},Flash.isStreamingType=function(srcType){return srcType in Flash.streamingFormats},Flash.RTMP_RE=/^rtmp[set]?:\/\//i,Flash.isStreamingSrc=function(src){return Flash.RTMP_RE.test(src)},Flash.rtmpSourceHandler={},Flash.rtmpSourceHandler.canPlayType=function(type){return Flash.isStreamingType(type)?"maybe":""},Flash.rtmpSourceHandler.canHandleSource=function(source,options){var can=Flash.rtmpSourceHandler.canPlayType(source.type);return can||(Flash.isStreamingSrc(source.src)?"maybe":"")},Flash.rtmpSourceHandler.handleSource=function(source,tech,options){var srcParts=Flash.streamToParts(source.src);tech.setRtmpConnection(srcParts.connection),tech.setRtmpStream(srcParts.stream)},Flash.registerSourceHandler(Flash.rtmpSourceHandler)}(Flash),Tech.getTech("Flash")?(videojs.log.warn("Not using videojs-flash as it appears to already be registered"),videojs.log.warn("videojs-flash should only be used with video.js@6 and above")):videojs.registerTech("Flash",Flash),Flash.VERSION="2.2.1",Flash}));
+
+//# sourceMappingURL=videojs-flash-lazy.min.js.map
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/videojs-flash-lazy.min.js.map b/media/player/videojs/amd/build/videojs-flash-lazy.min.js.map
index ffa2673f02a..0a704063305 100644
--- a/media/player/videojs/amd/build/videojs-flash-lazy.min.js.map
+++ b/media/player/videojs/amd/build/videojs-flash-lazy.min.js.map
@@ -1 +1 @@
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* videojs-flash\n * @version 2.2.1\n * @copyright 2020 Brightcove, Inc.\n * @license Apache-2.0\n */\n(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('video.js')) :\n\ttypeof define === 'function' && define.amd ? define(['media_videojs/video-lazy'], factory) :\n\t(global.videojsFlash = factory(global.videojs));\n}(this, (function (videojs) { 'use strict';\n\nvideojs = videojs && videojs.hasOwnProperty('default') ? videojs['default'] : videojs;\n\nvar version = \"5.4.2\";\n\nvar version$1 = \"2.2.1\";\n\n/**\n * @file flash-rtmp.js\n * @module flash-rtmp\n */\n\n/**\n * Add RTMP properties to the {@link Flash} Tech.\n *\n * @param {Flash} Flash\n *        The flash tech class.\n *\n * @mixin FlashRtmpDecorator\n *\n * @return {Flash}\n *         The flash tech with RTMP properties added.\n */\nfunction FlashRtmpDecorator(Flash) {\n  Flash.streamingFormats = {\n    'rtmp/mp4': 'MP4',\n    'rtmp/flv': 'FLV'\n  };\n\n  /**\n   * Join connection and stream with an ampersand.\n   *\n   * @param {string} connection\n   *        The connection string.\n   *\n   * @param {string} stream\n   *        The stream string.\n   *\n   * @return {string}\n   *         The connection and stream joined with an `&` character\n   */\n  Flash.streamFromParts = function (connection, stream) {\n    return connection + '&' + stream;\n  };\n\n  /**\n   * The flash parts object that contains connection and stream info.\n   *\n   * @typedef {Object} Flash~PartsObject\n   *\n   * @property {string} connection\n   *           The connection string of a source, defaults to an empty string.\n   *\n   * @property {string} stream\n   *           The stream string of the source, defaults to an empty string.\n   */\n\n  /**\n   * Convert a source url into a stream and connection parts.\n   *\n   * @param {string} src\n   *        the source url\n   *\n   * @return {Flash~PartsObject}\n   *         The parts object that contains a connection and a stream\n   */\n  Flash.streamToParts = function (src) {\n    var parts = {\n      connection: '',\n      stream: ''\n    };\n\n    if (!src) {\n      return parts;\n    }\n\n    // Look for the normal URL separator we expect, '&'.\n    // If found, we split the URL into two pieces around the\n    // first '&'.\n    var connEnd = src.search(/&(?![\\w-]+=)/);\n    var streamBegin = void 0;\n\n    if (connEnd !== -1) {\n      streamBegin = connEnd + 1;\n    } else {\n      // If there's not a '&', we use the last '/' as the delimiter.\n      connEnd = streamBegin = src.lastIndexOf('/') + 1;\n      if (connEnd === 0) {\n        // really, there's not a '/'?\n        connEnd = streamBegin = src.length;\n      }\n    }\n\n    parts.connection = src.substring(0, connEnd);\n    parts.stream = src.substring(streamBegin, src.length);\n\n    return parts;\n  };\n\n  /**\n   * Check if the source type is a streaming type.\n   *\n   * @param {string} srcType\n   *        The mime type to check.\n   *\n   * @return {boolean}\n   *          - True if the source type is a streaming type.\n   *          - False if the source type is not a streaming type.\n   */\n  Flash.isStreamingType = function (srcType) {\n    return srcType in Flash.streamingFormats;\n  };\n\n  // RTMP has four variations, any string starting\n  // with one of these protocols should be valid\n\n  /**\n   * Regular expression used to check if the source is an rtmp source.\n   *\n   * @property {RegExp} Flash.RTMP_RE\n   */\n  Flash.RTMP_RE = /^rtmp[set]?:\\/\\//i;\n\n  /**\n   * Check if the source itself is a streaming type.\n   *\n   * @param {string} src\n   *        The url to the source.\n   *\n   * @return {boolean}\n   *          - True if the source url indicates that the source is streaming.\n   *          - False if the shource url indicates that the source url is not streaming.\n   */\n  Flash.isStreamingSrc = function (src) {\n    return Flash.RTMP_RE.test(src);\n  };\n\n  /**\n   * A source handler for RTMP urls\n   * @type {Object}\n   */\n  Flash.rtmpSourceHandler = {};\n\n  /**\n   * Check if Flash can play the given mime type.\n   *\n   * @param {string} type\n   *        The mime type to check\n   *\n   * @return {string}\n   *         'maybe', or '' (empty string)\n   */\n  Flash.rtmpSourceHandler.canPlayType = function (type) {\n    if (Flash.isStreamingType(type)) {\n      return 'maybe';\n    }\n\n    return '';\n  };\n\n  /**\n   * Check if Flash can handle the source natively\n   *\n   * @param {Object} source\n   *        The source object\n   *\n   * @param {Object} [options]\n   *        The options passed to the tech\n   *\n   * @return {string}\n   *         'maybe', or '' (empty string)\n   */\n  Flash.rtmpSourceHandler.canHandleSource = function (source, options) {\n    var can = Flash.rtmpSourceHandler.canPlayType(source.type);\n\n    if (can) {\n      return can;\n    }\n\n    if (Flash.isStreamingSrc(source.src)) {\n      return 'maybe';\n    }\n\n    return '';\n  };\n\n  /**\n   * Pass the source to the flash object.\n   *\n   * @param {Object} source\n   *        The source object\n   *\n   * @param {Flash} tech\n   *        The instance of the Flash tech\n   *\n   * @param {Object} [options]\n   *        The options to pass to the source\n   */\n  Flash.rtmpSourceHandler.handleSource = function (source, tech, options) {\n    var srcParts = Flash.streamToParts(source.src);\n\n    tech.setRtmpConnection(srcParts.connection);\n    tech.setRtmpStream(srcParts.stream);\n  };\n\n  // Register the native source handler\n  Flash.registerSourceHandler(Flash.rtmpSourceHandler);\n\n  return Flash;\n}\n\nvar commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};\n\nvar win;\n\nif (typeof window !== \"undefined\") {\n    win = window;\n} else if (typeof commonjsGlobal !== \"undefined\") {\n    win = commonjsGlobal;\n} else if (typeof self !== \"undefined\"){\n    win = self;\n} else {\n    win = {};\n}\n\nvar window_1 = win;\n\nvar classCallCheck = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\nvar inherits = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n  }\n\n  subClass.prototype = Object.create(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n};\n\nvar possibleConstructorReturn = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n};\n\n/**\n * @file flash.js\n * VideoJS-SWF - Custom Flash Player with HTML5-ish API\n * https://github.com/zencoder/video-js-swf\n * Not using setupTriggers. Using global onEvent func to distribute events\n */\n\nvar Tech = videojs.getComponent('Tech');\nvar Dom = videojs.dom;\nvar Url = videojs.url;\nvar createTimeRange = videojs.createTimeRange;\nvar mergeOptions = videojs.mergeOptions;\n\nvar navigator = window_1 && window_1.navigator || {};\n\n/**\n * Flash Media Controller - Wrapper for Flash Media API\n *\n * @mixes FlashRtmpDecorator\n * @mixes Tech~SouceHandlerAdditions\n * @extends Tech\n */\n\nvar Flash = function (_Tech) {\n  inherits(Flash, _Tech);\n\n  /**\n  * Create an instance of this Tech.\n  *\n  * @param {Object} [options]\n  *        The key/value store of player options.\n  *\n  * @param {Component~ReadyCallback} ready\n  *        Callback function to call when the `Flash` Tech is ready.\n  */\n  function Flash(options, ready) {\n    classCallCheck(this, Flash);\n\n    // Set the source when ready\n    var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));\n\n    if (options.source) {\n      _this.ready(function () {\n        this.setSource(options.source);\n      }, true);\n    }\n\n    // Having issues with Flash reloading on certain page actions\n    // (hide/resize/fullscreen) in certain browsers\n    // This allows resetting the playhead when we catch the reload\n    if (options.startTime) {\n      _this.ready(function () {\n        this.load();\n        this.play();\n        this.currentTime(options.startTime);\n      }, true);\n    }\n\n    // Add global window functions that the swf expects\n    // A 4.x workflow we weren't able to solve for in 5.0\n    // because of the need to hard code these functions\n    // into the swf for security reasons\n    window_1.videojs = window_1.videojs || {};\n    window_1.videojs.Flash = window_1.videojs.Flash || {};\n    window_1.videojs.Flash.onReady = Flash.onReady;\n    window_1.videojs.Flash.onEvent = Flash.onEvent;\n    window_1.videojs.Flash.onError = Flash.onError;\n\n    _this.on('seeked', function () {\n      this.lastSeekTarget_ = undefined;\n    });\n\n    return _this;\n  }\n\n  /**\n   * Create the `Flash` Tech's DOM element.\n   *\n   * @return {Element}\n   *         The element that gets created.\n   */\n\n\n  Flash.prototype.createEl = function createEl() {\n    var options = this.options_;\n\n    // If video.js is hosted locally you should also set the location\n    // for the hosted swf, which should be relative to the page (not video.js)\n    // Otherwise this adds a CDN url.\n    // The CDN also auto-adds a swf URL for that specific version.\n    if (!options.swf) {\n      options.swf = 'https://vjs.zencdn.net/swf/' + version + '/video-js.swf';\n    }\n\n    // Generate ID for swf object\n    var objId = options.techId;\n\n    // Merge default flashvars with ones passed in to init\n    var flashVars = mergeOptions({\n\n      // SWF Callback Functions\n      readyFunction: 'videojs.Flash.onReady',\n      eventProxyFunction: 'videojs.Flash.onEvent',\n      errorEventProxyFunction: 'videojs.Flash.onError',\n\n      // Player Settings\n      autoplay: options.autoplay,\n      preload: options.preload,\n      loop: options.loop,\n      muted: options.muted\n\n    }, options.flashVars);\n\n    // Merge default parames with ones passed in\n    var params = mergeOptions({\n      // Opaque is needed to overlay controls, but can affect playback performance\n      wmode: 'opaque',\n      // Using bgcolor prevents a white flash when the object is loading\n      bgcolor: '#000000'\n    }, options.params);\n\n    // Merge default attributes with ones passed in\n    var attributes = mergeOptions({\n      // Both ID and Name needed or swf to identify itself\n      id: objId,\n      name: objId,\n      'class': 'vjs-tech'\n    }, options.attributes);\n\n    this.el_ = Flash.embed(options.swf, flashVars, params, attributes);\n    this.el_.tech = this;\n\n    return this.el_;\n  };\n\n  /**\n   * Called by {@link Player#play} to play using the `Flash` `Tech`.\n   */\n\n\n  Flash.prototype.play = function play() {\n    if (this.ended()) {\n      this.setCurrentTime(0);\n    }\n    this.el_.vjs_play();\n  };\n\n  /**\n   * Called by {@link Player#pause} to pause using the `Flash` `Tech`.\n   */\n\n\n  Flash.prototype.pause = function pause() {\n    this.el_.vjs_pause();\n  };\n\n  /**\n   * A getter/setter for the `Flash` Tech's source object.\n   * > Note: Please use {@link Flash#setSource}\n   *\n   * @param {Tech~SourceObject} [src]\n   *        The source object you want to set on the `Flash` techs.\n   *\n   * @return {Tech~SourceObject|undefined}\n   *         - The current source object when a source is not passed in.\n   *         - undefined when setting\n   *\n   * @deprecated Since version 5.\n   */\n\n\n  Flash.prototype.src = function src(_src) {\n    if (_src === undefined) {\n      return this.currentSrc();\n    }\n\n    // Setting src through `src` not `setSrc` will be deprecated\n    return this.setSrc(_src);\n  };\n\n  /**\n   * A getter/setter for the `Flash` Tech's source object.\n   *\n   * @param {Tech~SourceObject} [src]\n   *        The source object you want to set on the `Flash` techs.\n   */\n\n\n  Flash.prototype.setSrc = function setSrc(src) {\n    var _this2 = this;\n\n    // Make sure source URL is absolute.\n    src = Url.getAbsoluteURL(src);\n    this.el_.vjs_src(src);\n\n    // Currently the SWF doesn't autoplay if you load a source later.\n    // e.g. Load player w/ no source, wait 2s, set src.\n    if (this.autoplay()) {\n      this.setTimeout(function () {\n        return _this2.play();\n      }, 0);\n    }\n  };\n\n  /**\n   * Indicates whether the media is currently seeking to a new position or not.\n   *\n   * @return {boolean}\n   *         - True if seeking to a new position\n   *         - False otherwise\n   */\n\n\n  Flash.prototype.seeking = function seeking() {\n    return this.lastSeekTarget_ !== undefined;\n  };\n\n  /**\n   * Returns the current time in seconds that the media is at in playback.\n   *\n   * @param {number} time\n   *        Current playtime of the media in seconds.\n   */\n\n\n  Flash.prototype.setCurrentTime = function setCurrentTime(time) {\n    var seekable = this.seekable();\n\n    if (seekable.length) {\n      // clamp to the current seekable range\n      time = time > seekable.start(0) ? time : seekable.start(0);\n      time = time < seekable.end(seekable.length - 1) ? time : seekable.end(seekable.length - 1);\n\n      this.lastSeekTarget_ = time;\n      this.trigger('seeking');\n      this.el_.vjs_setProperty('currentTime', time);\n      _Tech.prototype.setCurrentTime.call(this);\n    }\n  };\n\n  /**\n   * Get the current playback time in seconds\n   *\n   * @return {number}\n   *         The current time of playback in seconds.\n   */\n\n\n  Flash.prototype.currentTime = function currentTime() {\n    // when seeking make the reported time keep up with the requested time\n    // by reading the time we're seeking to\n    if (this.seeking()) {\n      return this.lastSeekTarget_ || 0;\n    }\n    return this.el_.vjs_getProperty('currentTime');\n  };\n\n  /**\n   * Get the current source\n   *\n   * @method currentSrc\n   * @return {Tech~SourceObject}\n   *         The current source\n   */\n\n\n  Flash.prototype.currentSrc = function currentSrc() {\n    if (this.currentSource_) {\n      return this.currentSource_.src;\n    }\n    return this.el_.vjs_getProperty('currentSrc');\n  };\n\n  /**\n   * Get the total duration of the current media.\n   *\n   * @return {number}\n   8          The total duration of the current media.\n   */\n\n\n  Flash.prototype.duration = function duration() {\n    if (this.readyState() === 0) {\n      return NaN;\n    }\n    var duration = this.el_.vjs_getProperty('duration');\n\n    return duration >= 0 ? duration : Infinity;\n  };\n\n  /**\n   * Load media into Tech.\n   */\n\n\n  Flash.prototype.load = function load() {\n    this.el_.vjs_load();\n  };\n\n  /**\n   * Get the poster image that was set on the tech.\n   */\n\n\n  Flash.prototype.poster = function poster() {\n    this.el_.vjs_getProperty('poster');\n  };\n\n  /**\n   * Poster images are not handled by the Flash tech so make this is a no-op.\n   */\n\n\n  Flash.prototype.setPoster = function setPoster() {};\n\n  /**\n   * Determine the time ranges that can be seeked to in the media.\n   *\n   * @return {TimeRange}\n   *         Returns the time ranges that can be seeked to.\n   */\n\n\n  Flash.prototype.seekable = function seekable() {\n    var duration = this.duration();\n\n    if (duration === 0) {\n      return createTimeRange();\n    }\n    return createTimeRange(0, duration);\n  };\n\n  /**\n   * Get and create a `TimeRange` object for buffering.\n   *\n   * @return {TimeRange}\n   *         The time range object that was created.\n   */\n\n\n  Flash.prototype.buffered = function buffered() {\n    var ranges = this.el_.vjs_getProperty('buffered');\n\n    if (ranges.length === 0) {\n      return createTimeRange();\n    }\n    return createTimeRange(ranges[0][0], ranges[0][1]);\n  };\n\n  /**\n   * Get fullscreen support -\n   *\n   * Flash does not allow fullscreen through javascript\n   * so this always returns false.\n   *\n   * @return {boolean}\n   *         The Flash tech does not support fullscreen, so it will always return false.\n   */\n\n\n  Flash.prototype.supportsFullScreen = function supportsFullScreen() {\n    // Flash does not allow fullscreen through javascript\n    return false;\n  };\n\n  /**\n   * Flash does not allow fullscreen through javascript\n   * so this always returns false.\n   *\n   * @return {boolean}\n   *         The Flash tech does not support fullscreen, so it will always return false.\n   */\n\n\n  Flash.prototype.enterFullScreen = function enterFullScreen() {\n    return false;\n  };\n\n  /**\n   * Gets available media playback quality metrics as specified by the W3C's Media\n   * Playback Quality API.\n   *\n   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n   *\n   * @return {Object}\n   *         An object with supported media playback quality metrics\n   */\n\n\n  Flash.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n    var videoPlaybackQuality = this.el_.vjs_getProperty('getVideoPlaybackQuality');\n\n    if (window_1.performance && typeof window_1.performance.now === 'function') {\n      videoPlaybackQuality.creationTime = window_1.performance.now();\n    } else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') {\n      videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart;\n    }\n\n    return videoPlaybackQuality;\n  };\n\n  return Flash;\n}(Tech);\n\n// Create setters and getters for attributes\n\n\nvar _readWrite = ['rtmpConnection', 'rtmpStream', 'preload', 'defaultPlaybackRate', 'playbackRate', 'autoplay', 'loop', 'controls', 'volume', 'muted', 'defaultMuted'];\nvar _readOnly = ['networkState', 'readyState', 'initialTime', 'startOffsetTime', 'paused', 'ended', 'videoWidth', 'videoHeight'];\nvar _api = Flash.prototype;\n\n/**\n * Create setters for the swf on the element\n *\n * @param {string} attr\n *        The name of the parameter\n *\n * @private\n */\nfunction _createSetter(attr) {\n  var attrUpper = attr.charAt(0).toUpperCase() + attr.slice(1);\n\n  _api['set' + attrUpper] = function (val) {\n    return this.el_.vjs_setProperty(attr, val);\n  };\n}\n\n/**\n * Create getters for the swf on the element\n *\n * @param {string} attr\n *        The name of the parameter\n *\n * @private\n */\nfunction _createGetter(attr) {\n  _api[attr] = function () {\n    return this.el_.vjs_getProperty(attr);\n  };\n}\n\n// Create getter and setters for all read/write attributes\nfor (var i = 0; i < _readWrite.length; i++) {\n  _createGetter(_readWrite[i]);\n  _createSetter(_readWrite[i]);\n}\n\n// Create getters for read-only attributes\nfor (var _i = 0; _i < _readOnly.length; _i++) {\n  _createGetter(_readOnly[_i]);\n}\n\n/** ------------------------------ Getters ------------------------------ **/\n/**\n * Get the value of `rtmpConnection` from the swf.\n *\n * @method Flash#rtmpConnection\n * @return {string}\n *         The current value of `rtmpConnection` on the swf.\n */\n\n/**\n * Get the value of `rtmpStream` from the swf.\n *\n * @method Flash#rtmpStream\n * @return {string}\n *         The current value of `rtmpStream` on the swf.\n */\n\n/**\n * Get the value of `preload` from the swf. `preload` indicates\n * what should download before the media is interacted with. It can have the following\n * values:\n * - none: nothing should be downloaded\n * - metadata: poster and the first few frames of the media may be downloaded to get\n *   media dimensions and other metadata\n * - auto: allow the media and metadata for the media to be downloaded before\n *    interaction\n *\n * @method Flash#preload\n * @return {string}\n *         The value of `preload` from the swf. Will be 'none', 'metadata',\n *         or 'auto'.\n */\n\n/**\n * Get the value of `defaultPlaybackRate` from the swf.\n *\n * @method Flash#defaultPlaybackRate\n * @return {number}\n *         The current value of `defaultPlaybackRate` on the swf.\n */\n\n/**\n * Get the value of `playbackRate` from the swf. `playbackRate` indicates\n * the rate at which the media is currently playing back. Examples:\n *   - if playbackRate is set to 2, media will play twice as fast.\n *   - if playbackRate is set to 0.5, media will play half as fast.\n *\n * @method Flash#playbackRate\n * @return {number}\n *         The value of `playbackRate` from the swf. A number indicating\n *         the current playback speed of the media, where 1 is normal speed.\n */\n\n/**\n * Get the value of `autoplay` from the swf. `autoplay` indicates\n * that the media should start to play as soon as the page is ready.\n *\n * @method Flash#autoplay\n * @return {boolean}\n *         - The value of `autoplay` from the swf.\n *         - True indicates that the media ashould start as soon as the page loads.\n *         - False indicates that the media should not start as soon as the page loads.\n */\n\n/**\n * Get the value of `loop` from the swf. `loop` indicates\n * that the media should return to the start of the media and continue playing once\n * it reaches the end.\n *\n * @method Flash#loop\n * @return {boolean}\n *         - The value of `loop` from the swf.\n *         - True indicates that playback should seek back to start once\n *           the end of a media is reached.\n *         - False indicates that playback should not loop back to the start when the\n *           end of the media is reached.\n */\n\n/**\n * Get the value of `mediaGroup` from the swf.\n *\n * @method Flash#mediaGroup\n * @return {string}\n *         The current value of `mediaGroup` on the swf.\n */\n\n/**\n * Get the value of `controller` from the swf.\n *\n * @method Flash#controller\n * @return {string}\n *         The current value of `controller` on the swf.\n */\n\n/**\n * Get the value of `controls` from the swf. `controls` indicates\n * whether the native flash controls should be shown or hidden.\n *\n * @method Flash#controls\n * @return {boolean}\n *         - The value of `controls` from the swf.\n *         - True indicates that native controls should be showing.\n *         - False indicates that native controls should be hidden.\n */\n\n/**\n * Get the value of the `volume` from the swf. `volume` indicates the current\n * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n * so on.\n *\n * @method Flash#volume\n * @return {number}\n *         The volume percent as a decimal. Value will be between 0-1.\n */\n\n/**\n * Get the value of the `muted` from the swf. `muted` indicates the current\n * audio level should be silent.\n *\n * @method Flash#muted\n * @return {boolean}\n *         - True if the audio should be set to silent\n *         - False otherwise\n */\n\n/**\n * Get the value of `defaultMuted` from the swf. `defaultMuted` indicates\n * whether the media should start muted or not. Only changes the default state of the\n * media. `muted` and `defaultMuted` can have different values. `muted` indicates the\n * current state.\n *\n * @method Flash#defaultMuted\n * @return {boolean}\n *         - The value of `defaultMuted` from the swf.\n *         - True indicates that the media should start muted.\n *         - False indicates that the media should not start muted.\n */\n\n/**\n * Get the value of `networkState` from the swf. `networkState` indicates\n * the current network state. It returns an enumeration from the following list:\n * - 0: NETWORK_EMPTY\n * - 1: NEWORK_IDLE\n * - 2: NETWORK_LOADING\n * - 3: NETWORK_NO_SOURCE\n *\n * @method Flash#networkState\n * @return {number}\n *         The value of `networkState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `readyState` from the swf. `readyState` indicates\n * the current state of the media element. It returns an enumeration from the\n * following list:\n * - 0: HAVE_NOTHING\n * - 1: HAVE_METADATA\n * - 2: HAVE_CURRENT_DATA\n * - 3: HAVE_FUTURE_DATA\n * - 4: HAVE_ENOUGH_DATA\n *\n * @method Flash#readyState\n * @return {number}\n *         The value of `readyState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `readyState` from the swf. `readyState` indicates\n * the current state of the media element. It returns an enumeration from the\n * following list:\n * - 0: HAVE_NOTHING\n * - 1: HAVE_METADATA\n * - 2: HAVE_CURRENT_DATA\n * - 3: HAVE_FUTURE_DATA\n * - 4: HAVE_ENOUGH_DATA\n *\n * @method Flash#readyState\n * @return {number}\n *         The value of `readyState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `initialTime` from the swf.\n *\n * @method Flash#initialTime\n * @return {number}\n *         The `initialTime` proprety on the swf.\n */\n\n/**\n * Get the value of `startOffsetTime` from the swf.\n *\n * @method Flash#startOffsetTime\n * @return {number}\n *         The `startOffsetTime` proprety on the swf.\n */\n\n/**\n * Get the value of `paused` from the swf. `paused` indicates whether the swf\n * is current paused or not.\n *\n * @method Flash#paused\n * @return {boolean}\n *         The value of `paused` from the swf.\n */\n\n/**\n * Get the value of `ended` from the swf. `ended` indicates whether\n * the media has reached the end or not.\n *\n * @method Flash#ended\n * @return {boolean}\n *         - True indicates that the media has ended.\n *         - False indicates that the media has not ended.\n *\n * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}\n */\n\n/**\n * Get the value of `videoWidth` from the swf. `videoWidth` indicates\n * the current width of the media in css pixels.\n *\n * @method Flash#videoWidth\n * @return {number}\n *         The value of `videoWidth` from the swf. This will be a number\n *         in css pixels.\n */\n\n/**\n * Get the value of `videoHeight` from the swf. `videoHeigth` indicates\n * the current height of the media in css pixels.\n *\n * @method Flassh.prototype.videoHeight\n * @return {number}\n *         The value of `videoHeight` from the swf. This will be a number\n *         in css pixels.\n */\n/** ------------------------------ Setters ------------------------------ **/\n\n/**\n * Set the value of `rtmpConnection` on the swf.\n *\n * @method Flash#setRtmpConnection\n * @param {string} rtmpConnection\n *        New value to set the `rtmpConnection` property to.\n */\n\n/**\n * Set the value of `rtmpStream` on the swf.\n *\n * @method Flash#setRtmpStream\n * @param {string} rtmpStream\n *        New value to set the `rtmpStream` property to.\n */\n\n/**\n * Set the value of `preload` on the swf. `preload` indicates\n * what should download before the media is interacted with. It can have the following\n * values:\n * - none: nothing should be downloaded\n * - metadata: poster and the first few frames of the media may be downloaded to get\n *   media dimensions and other metadata\n * - auto: allow the media and metadata for the media to be downloaded before\n *    interaction\n *\n * @method Flash#setPreload\n * @param {string} preload\n *        The value of `preload` to set on the swf. Should be 'none', 'metadata',\n *        or 'auto'.\n */\n\n/**\n * Set the value of `defaultPlaybackRate` on the swf.\n *\n * @method Flash#setDefaultPlaybackRate\n * @param {number} defaultPlaybackRate\n *        New value to set the `defaultPlaybackRate` property to.\n */\n\n/**\n * Set the value of `playbackRate` on the swf. `playbackRate` indicates\n * the rate at which the media is currently playing back. Examples:\n *   - if playbackRate is set to 2, media will play twice as fast.\n *   - if playbackRate is set to 0.5, media will play half as fast.\n *\n * @method Flash#setPlaybackRate\n * @param {number} playbackRate\n *        New value of `playbackRate` on the swf. A number indicating\n *        the current playback speed of the media, where 1 is normal speed.\n */\n\n/**\n * Set the value of `autoplay` on the swf. `autoplay` indicates\n * that the media should start to play as soon as the page is ready.\n *\n * @method Flash#setAutoplay\n * @param {boolean} autoplay\n *        - The value of `autoplay` from the swf.\n *        - True indicates that the media ashould start as soon as the page loads.\n *        - False indicates that the media should not start as soon as the page loads.\n */\n\n/**\n * Set the value of `loop` on the swf. `loop` indicates\n * that the media should return to the start of the media and continue playing once\n * it reaches the end.\n *\n * @method Flash#setLoop\n * @param {boolean} loop\n *        - True indicates that playback should seek back to start once\n *          the end of a media is reached.\n *        - False indicates that playback should not loop back to the start when the\n *          end of the media is reached.\n */\n\n/**\n * Set the value of `mediaGroup` on the swf.\n *\n * @method Flash#setMediaGroup\n * @param {string} mediaGroup\n *        New value of `mediaGroup` to set on the swf.\n */\n\n/**\n * Set the value of `controller` on the swf.\n *\n * @method Flash#setController\n * @param {string} controller\n *        New value the current value of `controller` on the swf.\n */\n\n/**\n * Get the value of `controls` from the swf. `controls` indicates\n * whether the native flash controls should be shown or hidden.\n *\n * @method Flash#controls\n * @return {boolean}\n *         - The value of `controls` from the swf.\n *         - True indicates that native controls should be showing.\n *         - False indicates that native controls should be hidden.\n */\n\n/**\n * Set the value of the `volume` on the swf. `volume` indicates the current\n * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n * so on.\n *\n * @method Flash#setVolume\n * @param {number} percentAsDecimal\n *         The volume percent as a decimal. Value will be between 0-1.\n */\n\n/**\n * Set the value of the `muted` on the swf. `muted` indicates that the current\n * audio level should be silent.\n *\n * @method Flash#setMuted\n * @param {boolean} muted\n *         - True if the audio should be set to silent\n *         - False otherwise\n */\n\n/**\n * Set the value of `defaultMuted` on the swf. `defaultMuted` indicates\n * whether the media should start muted or not. Only changes the default state of the\n * media. `muted` and `defaultMuted` can have different values. `muted` indicates the\n * current state.\n *\n * @method Flash#setDefaultMuted\n * @param {boolean} defaultMuted\n *         - True indicates that the media should start muted.\n *         - False indicates that the media should not start muted.\n */\n\n/* Flash Support Testing -------------------------------------------------------- */\n\n/**\n * Check if the Flash tech is currently supported.\n *\n * @return {boolean}\n *          - True for Chrome and Safari Desktop and Microsoft Edge and if flash tech is supported\n *          - False otherwise\n */\nFlash.isSupported = function () {\n  // for Chrome Desktop and Safari Desktop\n  if (videojs.browser.IS_CHROME && (!videojs.browser.IS_ANDROID || !videojs.browser.IS_IOS) || videojs.browser.IS_SAFARI && !videojs.browser.IS_IOS || videojs.browser.IS_EDGE) {\n    return true;\n  }\n  // for other browsers\n  return Flash.version()[0] >= 10;\n};\n\n// Add Source Handler pattern functions to this tech\nTech.withSourceHandlers(Flash);\n\n/*\n * Native source handler for flash,  simply passes the source to the swf element.\n *\n * @property {Tech~SourceObject} source\n *           The source object\n *\n * @property {Flash} tech\n *           The instance of the Flash tech\n */\nFlash.nativeSourceHandler = {};\n\n/**\n * Check if the Flash can play the given mime type.\n *\n * @param {string} type\n *        The mimetype to check\n *\n * @return {string}\n *         'maybe', or '' (empty string)\n */\nFlash.nativeSourceHandler.canPlayType = function (type) {\n  if (type in Flash.formats) {\n    return 'maybe';\n  }\n\n  return '';\n};\n\n/**\n * Check if the media element can handle a source natively.\n *\n * @param {Tech~SourceObject} source\n *         The source object\n *\n * @param {Object} [options]\n *         Options to be passed to the tech.\n *\n * @return {string}\n *         'maybe', or '' (empty string).\n */\nFlash.nativeSourceHandler.canHandleSource = function (source, options) {\n  var type = void 0;\n\n  /**\n   * Guess the mime type of a file if it does not have one\n   *\n   * @param {Tech~SourceObject} src\n   *        The source object to guess the mime type for\n   *\n   * @return {string}\n   *         The mime type that was guessed\n   */\n  function guessMimeType(src) {\n    var ext = Url.getFileExtension(src);\n\n    if (ext) {\n      return 'video/' + ext;\n    }\n    return '';\n  }\n\n  if (!source.type) {\n    type = guessMimeType(source.src);\n  } else {\n    // Strip code information from the type because we don't get that specific\n    type = source.type.replace(/;.*/, '').toLowerCase();\n  }\n\n  return Flash.nativeSourceHandler.canPlayType(type);\n};\n\n/**\n * Pass the source to the swf.\n *\n * @param {Tech~SourceObject} source\n *        The source object\n *\n * @param {Flash} tech\n *        The instance of the Flash tech\n *\n * @param {Object} [options]\n *        The options to pass to the source\n */\nFlash.nativeSourceHandler.handleSource = function (source, tech, options) {\n  tech.setSrc(source.src);\n};\n\n/**\n * noop for native source handler dispose, as cleanup will happen automatically.\n */\nFlash.nativeSourceHandler.dispose = function () {};\n\n// Register the native source handler\nFlash.registerSourceHandler(Flash.nativeSourceHandler);\n\n/**\n * Flash supported mime types.\n *\n * @constant {Object}\n */\nFlash.formats = {\n  'video/flv': 'FLV',\n  'video/x-flv': 'FLV',\n  'video/mp4': 'MP4',\n  'video/m4v': 'MP4'\n};\n\n/**\n * Called when the the swf is \"ready\", and makes sure that the swf is really\n * ready using {@link Flash#checkReady}\n *\n * @param {Object} currSwf\n *        The current swf object\n */\nFlash.onReady = function (currSwf) {\n  var el = Dom.$('#' + currSwf);\n  var tech = el && el.tech;\n\n  // if there is no el then the tech has been disposed\n  // and the tech element was removed from the player div\n  if (tech && tech.el()) {\n    // check that the flash object is really ready\n    Flash.checkReady(tech);\n  }\n};\n\n/**\n * The SWF isn't always ready when it says it is. Sometimes the API functions still\n * need to be added to the object. If it's not ready, we set a timeout to check again\n * shortly.\n *\n * @param {Flash} tech\n *        The instance of the flash tech to check.\n */\nFlash.checkReady = function (tech) {\n  // stop worrying if the tech has been disposed\n  if (!tech.el()) {\n    return;\n  }\n\n  // check if API property exists\n  if (tech.el().vjs_getProperty) {\n    // tell tech it's ready\n    tech.triggerReady();\n  } else {\n    // wait longer\n    this.setTimeout(function () {\n      Flash.checkReady(tech);\n    }, 50);\n  }\n};\n\n/**\n * Trigger events from the swf on the Flash Tech.\n *\n * @param {number} swfID\n *        The id of the swf that had the event\n *\n * @param {string} eventName\n *        The name of the event to trigger\n */\nFlash.onEvent = function (swfID, eventName) {\n  var tech = Dom.$('#' + swfID).tech;\n  var args = Array.prototype.slice.call(arguments, 2);\n\n  // dispatch Flash events asynchronously for two reasons:\n  // - Flash swallows any exceptions generated by javascript it\n  //   invokes\n  // - Flash is suspended until the javascript returns which may cause\n  //   playback performance issues\n  tech.setTimeout(function () {\n    tech.trigger(eventName, args);\n  }, 1);\n};\n\n/**\n * Log errors from the swf on the Flash tech.\n *\n * @param {number} swfID\n *        The id of the swf that had an error.\n *\n * @param {string} err\n *        The error to set on the Flash Tech.\n *\n * @return {MediaError|undefined}\n *          - Returns a MediaError when err is 'srcnotfound'\n *          - Returns undefined otherwise.\n */\nFlash.onError = function (swfID, err) {\n  var tech = Dom.$('#' + swfID).tech;\n\n  // trigger MEDIA_ERR_SRC_NOT_SUPPORTED\n  if (err === 'srcnotfound') {\n    return tech.error(4);\n  }\n\n  // trigger a custom error\n  if (typeof err === 'string') {\n    tech.error('FLASH: ' + err);\n  } else {\n    err.origin = 'flash';\n    tech.error(err);\n  }\n};\n\n/**\n * Get the current version of Flash that is in use on the page.\n *\n * @return {Array}\n *          an array of versions that are available.\n */\nFlash.version = function () {\n  var version$$1 = '0,0,0';\n\n  // IE\n  try {\n    version$$1 = new window_1.ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version').replace(/\\D+/g, ',').match(/^,?(.+),?$/)[1];\n\n    // other browsers\n  } catch (e) {\n    try {\n      if (navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin) {\n        version$$1 = (navigator.plugins['Shockwave Flash 2.0'] || navigator.plugins['Shockwave Flash']).description.replace(/\\D+/g, ',').match(/^,?(.+),?$/)[1];\n      }\n    } catch (err) {\n      // satisfy linter\n    }\n  }\n  return version$$1.split(',');\n};\n\n/**\n * Only use for non-iframe embeds.\n *\n * @param {Object} swf\n *        The videojs-swf object.\n *\n * @param {Object} flashVars\n *        Names and values to use as flash option variables.\n *\n * @param {Object} params\n *        Style parameters to set on the object.\n *\n * @param {Object} attributes\n *        Attributes to set on the element.\n *\n * @return {Element}\n *          The embeded Flash DOM element.\n */\nFlash.embed = function (swf, flashVars, params, attributes) {\n  var code = Flash.getEmbedCode(swf, flashVars, params, attributes);\n\n  // Get element by embedding code and retrieving created element\n  var obj = Dom.createEl('div', { innerHTML: code }).childNodes[0];\n\n  return obj;\n};\n\n/**\n * Only use for non-iframe embeds.\n *\n * @param {Object} swf\n *        The videojs-swf object.\n *\n * @param {Object} flashVars\n *        Names and values to use as flash option variables.\n *\n * @param {Object} params\n *        Style parameters to set on the object.\n *\n * @param {Object} attributes\n *        Attributes to set on the element.\n *\n * @return {Element}\n *          The embeded Flash DOM element.\n */\nFlash.getEmbedCode = function (swf, flashVars, params, attributes) {\n  var objTag = '<object type=\"application/x-shockwave-flash\" ';\n  var flashVarsString = '';\n  var paramsString = '';\n  var attrsString = '';\n\n  // Convert flash vars to string\n  if (flashVars) {\n    Object.getOwnPropertyNames(flashVars).forEach(function (key) {\n      flashVarsString += key + '=' + flashVars[key] + '&amp;';\n    });\n  }\n\n  // Add swf, flashVars, and other default params\n  params = mergeOptions({\n    movie: swf,\n    flashvars: flashVarsString,\n    // Required to talk to swf\n    allowScriptAccess: 'always',\n    // All should be default, but having security issues.\n    allowNetworking: 'all'\n  }, params);\n\n  // Create param tags string\n  Object.getOwnPropertyNames(params).forEach(function (key) {\n    paramsString += '<param name=\"' + key + '\" value=\"' + params[key] + '\" />';\n  });\n\n  attributes = mergeOptions({\n    // Add swf to attributes (need both for IE and Others to work)\n    data: swf,\n\n    // Default to 100% width/height\n    width: '100%',\n    height: '100%'\n\n  }, attributes);\n\n  // Create Attributes string\n  Object.getOwnPropertyNames(attributes).forEach(function (key) {\n    attrsString += key + '=\"' + attributes[key] + '\" ';\n  });\n\n  return '' + objTag + attrsString + '>' + paramsString + '</object>';\n};\n\n// Run Flash through the RTMP decorator\nFlashRtmpDecorator(Flash);\n\nif (Tech.getTech('Flash')) {\n  videojs.log.warn('Not using videojs-flash as it appears to already be registered');\n  videojs.log.warn('videojs-flash should only be used with video.js@6 and above');\n} else {\n  videojs.registerTech('Flash', Flash);\n}\n\nFlash.VERSION = version$1;\n\nreturn Flash;\n\n})));\n"],"file":"videojs-flash-lazy.min.js"}
\ No newline at end of file
+{"version":3,"file":"videojs-flash-lazy.min.js","sources":["../src/videojs-flash-lazy.js"],"sourcesContent":["/**\n * videojs-flash\n * @version 2.2.1\n * @copyright 2020 Brightcove, Inc.\n * @license Apache-2.0\n */\n(function (global, factory) {\n\ttypeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('video.js')) :\n\ttypeof define === 'function' && define.amd ? define(['media_videojs/video-lazy'], factory) :\n\t(global.videojsFlash = factory(global.videojs));\n}(this, (function (videojs) { 'use strict';\n\nvideojs = videojs && videojs.hasOwnProperty('default') ? videojs['default'] : videojs;\n\nvar version = \"5.4.2\";\n\nvar version$1 = \"2.2.1\";\n\n/**\n * @file flash-rtmp.js\n * @module flash-rtmp\n */\n\n/**\n * Add RTMP properties to the {@link Flash} Tech.\n *\n * @param {Flash} Flash\n *        The flash tech class.\n *\n * @mixin FlashRtmpDecorator\n *\n * @return {Flash}\n *         The flash tech with RTMP properties added.\n */\nfunction FlashRtmpDecorator(Flash) {\n  Flash.streamingFormats = {\n    'rtmp/mp4': 'MP4',\n    'rtmp/flv': 'FLV'\n  };\n\n  /**\n   * Join connection and stream with an ampersand.\n   *\n   * @param {string} connection\n   *        The connection string.\n   *\n   * @param {string} stream\n   *        The stream string.\n   *\n   * @return {string}\n   *         The connection and stream joined with an `&` character\n   */\n  Flash.streamFromParts = function (connection, stream) {\n    return connection + '&' + stream;\n  };\n\n  /**\n   * The flash parts object that contains connection and stream info.\n   *\n   * @typedef {Object} Flash~PartsObject\n   *\n   * @property {string} connection\n   *           The connection string of a source, defaults to an empty string.\n   *\n   * @property {string} stream\n   *           The stream string of the source, defaults to an empty string.\n   */\n\n  /**\n   * Convert a source url into a stream and connection parts.\n   *\n   * @param {string} src\n   *        the source url\n   *\n   * @return {Flash~PartsObject}\n   *         The parts object that contains a connection and a stream\n   */\n  Flash.streamToParts = function (src) {\n    var parts = {\n      connection: '',\n      stream: ''\n    };\n\n    if (!src) {\n      return parts;\n    }\n\n    // Look for the normal URL separator we expect, '&'.\n    // If found, we split the URL into two pieces around the\n    // first '&'.\n    var connEnd = src.search(/&(?![\\w-]+=)/);\n    var streamBegin = void 0;\n\n    if (connEnd !== -1) {\n      streamBegin = connEnd + 1;\n    } else {\n      // If there's not a '&', we use the last '/' as the delimiter.\n      connEnd = streamBegin = src.lastIndexOf('/') + 1;\n      if (connEnd === 0) {\n        // really, there's not a '/'?\n        connEnd = streamBegin = src.length;\n      }\n    }\n\n    parts.connection = src.substring(0, connEnd);\n    parts.stream = src.substring(streamBegin, src.length);\n\n    return parts;\n  };\n\n  /**\n   * Check if the source type is a streaming type.\n   *\n   * @param {string} srcType\n   *        The mime type to check.\n   *\n   * @return {boolean}\n   *          - True if the source type is a streaming type.\n   *          - False if the source type is not a streaming type.\n   */\n  Flash.isStreamingType = function (srcType) {\n    return srcType in Flash.streamingFormats;\n  };\n\n  // RTMP has four variations, any string starting\n  // with one of these protocols should be valid\n\n  /**\n   * Regular expression used to check if the source is an rtmp source.\n   *\n   * @property {RegExp} Flash.RTMP_RE\n   */\n  Flash.RTMP_RE = /^rtmp[set]?:\\/\\//i;\n\n  /**\n   * Check if the source itself is a streaming type.\n   *\n   * @param {string} src\n   *        The url to the source.\n   *\n   * @return {boolean}\n   *          - True if the source url indicates that the source is streaming.\n   *          - False if the shource url indicates that the source url is not streaming.\n   */\n  Flash.isStreamingSrc = function (src) {\n    return Flash.RTMP_RE.test(src);\n  };\n\n  /**\n   * A source handler for RTMP urls\n   * @type {Object}\n   */\n  Flash.rtmpSourceHandler = {};\n\n  /**\n   * Check if Flash can play the given mime type.\n   *\n   * @param {string} type\n   *        The mime type to check\n   *\n   * @return {string}\n   *         'maybe', or '' (empty string)\n   */\n  Flash.rtmpSourceHandler.canPlayType = function (type) {\n    if (Flash.isStreamingType(type)) {\n      return 'maybe';\n    }\n\n    return '';\n  };\n\n  /**\n   * Check if Flash can handle the source natively\n   *\n   * @param {Object} source\n   *        The source object\n   *\n   * @param {Object} [options]\n   *        The options passed to the tech\n   *\n   * @return {string}\n   *         'maybe', or '' (empty string)\n   */\n  Flash.rtmpSourceHandler.canHandleSource = function (source, options) {\n    var can = Flash.rtmpSourceHandler.canPlayType(source.type);\n\n    if (can) {\n      return can;\n    }\n\n    if (Flash.isStreamingSrc(source.src)) {\n      return 'maybe';\n    }\n\n    return '';\n  };\n\n  /**\n   * Pass the source to the flash object.\n   *\n   * @param {Object} source\n   *        The source object\n   *\n   * @param {Flash} tech\n   *        The instance of the Flash tech\n   *\n   * @param {Object} [options]\n   *        The options to pass to the source\n   */\n  Flash.rtmpSourceHandler.handleSource = function (source, tech, options) {\n    var srcParts = Flash.streamToParts(source.src);\n\n    tech.setRtmpConnection(srcParts.connection);\n    tech.setRtmpStream(srcParts.stream);\n  };\n\n  // Register the native source handler\n  Flash.registerSourceHandler(Flash.rtmpSourceHandler);\n\n  return Flash;\n}\n\nvar commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};\n\nvar win;\n\nif (typeof window !== \"undefined\") {\n    win = window;\n} else if (typeof commonjsGlobal !== \"undefined\") {\n    win = commonjsGlobal;\n} else if (typeof self !== \"undefined\"){\n    win = self;\n} else {\n    win = {};\n}\n\nvar window_1 = win;\n\nvar classCallCheck = function (instance, Constructor) {\n  if (!(instance instanceof Constructor)) {\n    throw new TypeError(\"Cannot call a class as a function\");\n  }\n};\n\nvar inherits = function (subClass, superClass) {\n  if (typeof superClass !== \"function\" && superClass !== null) {\n    throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass);\n  }\n\n  subClass.prototype = Object.create(superClass && superClass.prototype, {\n    constructor: {\n      value: subClass,\n      enumerable: false,\n      writable: true,\n      configurable: true\n    }\n  });\n  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;\n};\n\nvar possibleConstructorReturn = function (self, call) {\n  if (!self) {\n    throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\");\n  }\n\n  return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self;\n};\n\n/**\n * @file flash.js\n * VideoJS-SWF - Custom Flash Player with HTML5-ish API\n * https://github.com/zencoder/video-js-swf\n * Not using setupTriggers. Using global onEvent func to distribute events\n */\n\nvar Tech = videojs.getComponent('Tech');\nvar Dom = videojs.dom;\nvar Url = videojs.url;\nvar createTimeRange = videojs.createTimeRange;\nvar mergeOptions = videojs.mergeOptions;\n\nvar navigator = window_1 && window_1.navigator || {};\n\n/**\n * Flash Media Controller - Wrapper for Flash Media API\n *\n * @mixes FlashRtmpDecorator\n * @mixes Tech~SouceHandlerAdditions\n * @extends Tech\n */\n\nvar Flash = function (_Tech) {\n  inherits(Flash, _Tech);\n\n  /**\n  * Create an instance of this Tech.\n  *\n  * @param {Object} [options]\n  *        The key/value store of player options.\n  *\n  * @param {Component~ReadyCallback} ready\n  *        Callback function to call when the `Flash` Tech is ready.\n  */\n  function Flash(options, ready) {\n    classCallCheck(this, Flash);\n\n    // Set the source when ready\n    var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));\n\n    if (options.source) {\n      _this.ready(function () {\n        this.setSource(options.source);\n      }, true);\n    }\n\n    // Having issues with Flash reloading on certain page actions\n    // (hide/resize/fullscreen) in certain browsers\n    // This allows resetting the playhead when we catch the reload\n    if (options.startTime) {\n      _this.ready(function () {\n        this.load();\n        this.play();\n        this.currentTime(options.startTime);\n      }, true);\n    }\n\n    // Add global window functions that the swf expects\n    // A 4.x workflow we weren't able to solve for in 5.0\n    // because of the need to hard code these functions\n    // into the swf for security reasons\n    window_1.videojs = window_1.videojs || {};\n    window_1.videojs.Flash = window_1.videojs.Flash || {};\n    window_1.videojs.Flash.onReady = Flash.onReady;\n    window_1.videojs.Flash.onEvent = Flash.onEvent;\n    window_1.videojs.Flash.onError = Flash.onError;\n\n    _this.on('seeked', function () {\n      this.lastSeekTarget_ = undefined;\n    });\n\n    return _this;\n  }\n\n  /**\n   * Create the `Flash` Tech's DOM element.\n   *\n   * @return {Element}\n   *         The element that gets created.\n   */\n\n\n  Flash.prototype.createEl = function createEl() {\n    var options = this.options_;\n\n    // If video.js is hosted locally you should also set the location\n    // for the hosted swf, which should be relative to the page (not video.js)\n    // Otherwise this adds a CDN url.\n    // The CDN also auto-adds a swf URL for that specific version.\n    if (!options.swf) {\n      options.swf = 'https://vjs.zencdn.net/swf/' + version + '/video-js.swf';\n    }\n\n    // Generate ID for swf object\n    var objId = options.techId;\n\n    // Merge default flashvars with ones passed in to init\n    var flashVars = mergeOptions({\n\n      // SWF Callback Functions\n      readyFunction: 'videojs.Flash.onReady',\n      eventProxyFunction: 'videojs.Flash.onEvent',\n      errorEventProxyFunction: 'videojs.Flash.onError',\n\n      // Player Settings\n      autoplay: options.autoplay,\n      preload: options.preload,\n      loop: options.loop,\n      muted: options.muted\n\n    }, options.flashVars);\n\n    // Merge default parames with ones passed in\n    var params = mergeOptions({\n      // Opaque is needed to overlay controls, but can affect playback performance\n      wmode: 'opaque',\n      // Using bgcolor prevents a white flash when the object is loading\n      bgcolor: '#000000'\n    }, options.params);\n\n    // Merge default attributes with ones passed in\n    var attributes = mergeOptions({\n      // Both ID and Name needed or swf to identify itself\n      id: objId,\n      name: objId,\n      'class': 'vjs-tech'\n    }, options.attributes);\n\n    this.el_ = Flash.embed(options.swf, flashVars, params, attributes);\n    this.el_.tech = this;\n\n    return this.el_;\n  };\n\n  /**\n   * Called by {@link Player#play} to play using the `Flash` `Tech`.\n   */\n\n\n  Flash.prototype.play = function play() {\n    if (this.ended()) {\n      this.setCurrentTime(0);\n    }\n    this.el_.vjs_play();\n  };\n\n  /**\n   * Called by {@link Player#pause} to pause using the `Flash` `Tech`.\n   */\n\n\n  Flash.prototype.pause = function pause() {\n    this.el_.vjs_pause();\n  };\n\n  /**\n   * A getter/setter for the `Flash` Tech's source object.\n   * > Note: Please use {@link Flash#setSource}\n   *\n   * @param {Tech~SourceObject} [src]\n   *        The source object you want to set on the `Flash` techs.\n   *\n   * @return {Tech~SourceObject|undefined}\n   *         - The current source object when a source is not passed in.\n   *         - undefined when setting\n   *\n   * @deprecated Since version 5.\n   */\n\n\n  Flash.prototype.src = function src(_src) {\n    if (_src === undefined) {\n      return this.currentSrc();\n    }\n\n    // Setting src through `src` not `setSrc` will be deprecated\n    return this.setSrc(_src);\n  };\n\n  /**\n   * A getter/setter for the `Flash` Tech's source object.\n   *\n   * @param {Tech~SourceObject} [src]\n   *        The source object you want to set on the `Flash` techs.\n   */\n\n\n  Flash.prototype.setSrc = function setSrc(src) {\n    var _this2 = this;\n\n    // Make sure source URL is absolute.\n    src = Url.getAbsoluteURL(src);\n    this.el_.vjs_src(src);\n\n    // Currently the SWF doesn't autoplay if you load a source later.\n    // e.g. Load player w/ no source, wait 2s, set src.\n    if (this.autoplay()) {\n      this.setTimeout(function () {\n        return _this2.play();\n      }, 0);\n    }\n  };\n\n  /**\n   * Indicates whether the media is currently seeking to a new position or not.\n   *\n   * @return {boolean}\n   *         - True if seeking to a new position\n   *         - False otherwise\n   */\n\n\n  Flash.prototype.seeking = function seeking() {\n    return this.lastSeekTarget_ !== undefined;\n  };\n\n  /**\n   * Returns the current time in seconds that the media is at in playback.\n   *\n   * @param {number} time\n   *        Current playtime of the media in seconds.\n   */\n\n\n  Flash.prototype.setCurrentTime = function setCurrentTime(time) {\n    var seekable = this.seekable();\n\n    if (seekable.length) {\n      // clamp to the current seekable range\n      time = time > seekable.start(0) ? time : seekable.start(0);\n      time = time < seekable.end(seekable.length - 1) ? time : seekable.end(seekable.length - 1);\n\n      this.lastSeekTarget_ = time;\n      this.trigger('seeking');\n      this.el_.vjs_setProperty('currentTime', time);\n      _Tech.prototype.setCurrentTime.call(this);\n    }\n  };\n\n  /**\n   * Get the current playback time in seconds\n   *\n   * @return {number}\n   *         The current time of playback in seconds.\n   */\n\n\n  Flash.prototype.currentTime = function currentTime() {\n    // when seeking make the reported time keep up with the requested time\n    // by reading the time we're seeking to\n    if (this.seeking()) {\n      return this.lastSeekTarget_ || 0;\n    }\n    return this.el_.vjs_getProperty('currentTime');\n  };\n\n  /**\n   * Get the current source\n   *\n   * @method currentSrc\n   * @return {Tech~SourceObject}\n   *         The current source\n   */\n\n\n  Flash.prototype.currentSrc = function currentSrc() {\n    if (this.currentSource_) {\n      return this.currentSource_.src;\n    }\n    return this.el_.vjs_getProperty('currentSrc');\n  };\n\n  /**\n   * Get the total duration of the current media.\n   *\n   * @return {number}\n   8          The total duration of the current media.\n   */\n\n\n  Flash.prototype.duration = function duration() {\n    if (this.readyState() === 0) {\n      return NaN;\n    }\n    var duration = this.el_.vjs_getProperty('duration');\n\n    return duration >= 0 ? duration : Infinity;\n  };\n\n  /**\n   * Load media into Tech.\n   */\n\n\n  Flash.prototype.load = function load() {\n    this.el_.vjs_load();\n  };\n\n  /**\n   * Get the poster image that was set on the tech.\n   */\n\n\n  Flash.prototype.poster = function poster() {\n    this.el_.vjs_getProperty('poster');\n  };\n\n  /**\n   * Poster images are not handled by the Flash tech so make this is a no-op.\n   */\n\n\n  Flash.prototype.setPoster = function setPoster() {};\n\n  /**\n   * Determine the time ranges that can be seeked to in the media.\n   *\n   * @return {TimeRange}\n   *         Returns the time ranges that can be seeked to.\n   */\n\n\n  Flash.prototype.seekable = function seekable() {\n    var duration = this.duration();\n\n    if (duration === 0) {\n      return createTimeRange();\n    }\n    return createTimeRange(0, duration);\n  };\n\n  /**\n   * Get and create a `TimeRange` object for buffering.\n   *\n   * @return {TimeRange}\n   *         The time range object that was created.\n   */\n\n\n  Flash.prototype.buffered = function buffered() {\n    var ranges = this.el_.vjs_getProperty('buffered');\n\n    if (ranges.length === 0) {\n      return createTimeRange();\n    }\n    return createTimeRange(ranges[0][0], ranges[0][1]);\n  };\n\n  /**\n   * Get fullscreen support -\n   *\n   * Flash does not allow fullscreen through javascript\n   * so this always returns false.\n   *\n   * @return {boolean}\n   *         The Flash tech does not support fullscreen, so it will always return false.\n   */\n\n\n  Flash.prototype.supportsFullScreen = function supportsFullScreen() {\n    // Flash does not allow fullscreen through javascript\n    return false;\n  };\n\n  /**\n   * Flash does not allow fullscreen through javascript\n   * so this always returns false.\n   *\n   * @return {boolean}\n   *         The Flash tech does not support fullscreen, so it will always return false.\n   */\n\n\n  Flash.prototype.enterFullScreen = function enterFullScreen() {\n    return false;\n  };\n\n  /**\n   * Gets available media playback quality metrics as specified by the W3C's Media\n   * Playback Quality API.\n   *\n   * @see [Spec]{@link https://wicg.github.io/media-playback-quality}\n   *\n   * @return {Object}\n   *         An object with supported media playback quality metrics\n   */\n\n\n  Flash.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {\n    var videoPlaybackQuality = this.el_.vjs_getProperty('getVideoPlaybackQuality');\n\n    if (window_1.performance && typeof window_1.performance.now === 'function') {\n      videoPlaybackQuality.creationTime = window_1.performance.now();\n    } else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') {\n      videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart;\n    }\n\n    return videoPlaybackQuality;\n  };\n\n  return Flash;\n}(Tech);\n\n// Create setters and getters for attributes\n\n\nvar _readWrite = ['rtmpConnection', 'rtmpStream', 'preload', 'defaultPlaybackRate', 'playbackRate', 'autoplay', 'loop', 'controls', 'volume', 'muted', 'defaultMuted'];\nvar _readOnly = ['networkState', 'readyState', 'initialTime', 'startOffsetTime', 'paused', 'ended', 'videoWidth', 'videoHeight'];\nvar _api = Flash.prototype;\n\n/**\n * Create setters for the swf on the element\n *\n * @param {string} attr\n *        The name of the parameter\n *\n * @private\n */\nfunction _createSetter(attr) {\n  var attrUpper = attr.charAt(0).toUpperCase() + attr.slice(1);\n\n  _api['set' + attrUpper] = function (val) {\n    return this.el_.vjs_setProperty(attr, val);\n  };\n}\n\n/**\n * Create getters for the swf on the element\n *\n * @param {string} attr\n *        The name of the parameter\n *\n * @private\n */\nfunction _createGetter(attr) {\n  _api[attr] = function () {\n    return this.el_.vjs_getProperty(attr);\n  };\n}\n\n// Create getter and setters for all read/write attributes\nfor (var i = 0; i < _readWrite.length; i++) {\n  _createGetter(_readWrite[i]);\n  _createSetter(_readWrite[i]);\n}\n\n// Create getters for read-only attributes\nfor (var _i = 0; _i < _readOnly.length; _i++) {\n  _createGetter(_readOnly[_i]);\n}\n\n/** ------------------------------ Getters ------------------------------ **/\n/**\n * Get the value of `rtmpConnection` from the swf.\n *\n * @method Flash#rtmpConnection\n * @return {string}\n *         The current value of `rtmpConnection` on the swf.\n */\n\n/**\n * Get the value of `rtmpStream` from the swf.\n *\n * @method Flash#rtmpStream\n * @return {string}\n *         The current value of `rtmpStream` on the swf.\n */\n\n/**\n * Get the value of `preload` from the swf. `preload` indicates\n * what should download before the media is interacted with. It can have the following\n * values:\n * - none: nothing should be downloaded\n * - metadata: poster and the first few frames of the media may be downloaded to get\n *   media dimensions and other metadata\n * - auto: allow the media and metadata for the media to be downloaded before\n *    interaction\n *\n * @method Flash#preload\n * @return {string}\n *         The value of `preload` from the swf. Will be 'none', 'metadata',\n *         or 'auto'.\n */\n\n/**\n * Get the value of `defaultPlaybackRate` from the swf.\n *\n * @method Flash#defaultPlaybackRate\n * @return {number}\n *         The current value of `defaultPlaybackRate` on the swf.\n */\n\n/**\n * Get the value of `playbackRate` from the swf. `playbackRate` indicates\n * the rate at which the media is currently playing back. Examples:\n *   - if playbackRate is set to 2, media will play twice as fast.\n *   - if playbackRate is set to 0.5, media will play half as fast.\n *\n * @method Flash#playbackRate\n * @return {number}\n *         The value of `playbackRate` from the swf. A number indicating\n *         the current playback speed of the media, where 1 is normal speed.\n */\n\n/**\n * Get the value of `autoplay` from the swf. `autoplay` indicates\n * that the media should start to play as soon as the page is ready.\n *\n * @method Flash#autoplay\n * @return {boolean}\n *         - The value of `autoplay` from the swf.\n *         - True indicates that the media ashould start as soon as the page loads.\n *         - False indicates that the media should not start as soon as the page loads.\n */\n\n/**\n * Get the value of `loop` from the swf. `loop` indicates\n * that the media should return to the start of the media and continue playing once\n * it reaches the end.\n *\n * @method Flash#loop\n * @return {boolean}\n *         - The value of `loop` from the swf.\n *         - True indicates that playback should seek back to start once\n *           the end of a media is reached.\n *         - False indicates that playback should not loop back to the start when the\n *           end of the media is reached.\n */\n\n/**\n * Get the value of `mediaGroup` from the swf.\n *\n * @method Flash#mediaGroup\n * @return {string}\n *         The current value of `mediaGroup` on the swf.\n */\n\n/**\n * Get the value of `controller` from the swf.\n *\n * @method Flash#controller\n * @return {string}\n *         The current value of `controller` on the swf.\n */\n\n/**\n * Get the value of `controls` from the swf. `controls` indicates\n * whether the native flash controls should be shown or hidden.\n *\n * @method Flash#controls\n * @return {boolean}\n *         - The value of `controls` from the swf.\n *         - True indicates that native controls should be showing.\n *         - False indicates that native controls should be hidden.\n */\n\n/**\n * Get the value of the `volume` from the swf. `volume` indicates the current\n * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n * so on.\n *\n * @method Flash#volume\n * @return {number}\n *         The volume percent as a decimal. Value will be between 0-1.\n */\n\n/**\n * Get the value of the `muted` from the swf. `muted` indicates the current\n * audio level should be silent.\n *\n * @method Flash#muted\n * @return {boolean}\n *         - True if the audio should be set to silent\n *         - False otherwise\n */\n\n/**\n * Get the value of `defaultMuted` from the swf. `defaultMuted` indicates\n * whether the media should start muted or not. Only changes the default state of the\n * media. `muted` and `defaultMuted` can have different values. `muted` indicates the\n * current state.\n *\n * @method Flash#defaultMuted\n * @return {boolean}\n *         - The value of `defaultMuted` from the swf.\n *         - True indicates that the media should start muted.\n *         - False indicates that the media should not start muted.\n */\n\n/**\n * Get the value of `networkState` from the swf. `networkState` indicates\n * the current network state. It returns an enumeration from the following list:\n * - 0: NETWORK_EMPTY\n * - 1: NEWORK_IDLE\n * - 2: NETWORK_LOADING\n * - 3: NETWORK_NO_SOURCE\n *\n * @method Flash#networkState\n * @return {number}\n *         The value of `networkState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `readyState` from the swf. `readyState` indicates\n * the current state of the media element. It returns an enumeration from the\n * following list:\n * - 0: HAVE_NOTHING\n * - 1: HAVE_METADATA\n * - 2: HAVE_CURRENT_DATA\n * - 3: HAVE_FUTURE_DATA\n * - 4: HAVE_ENOUGH_DATA\n *\n * @method Flash#readyState\n * @return {number}\n *         The value of `readyState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `readyState` from the swf. `readyState` indicates\n * the current state of the media element. It returns an enumeration from the\n * following list:\n * - 0: HAVE_NOTHING\n * - 1: HAVE_METADATA\n * - 2: HAVE_CURRENT_DATA\n * - 3: HAVE_FUTURE_DATA\n * - 4: HAVE_ENOUGH_DATA\n *\n * @method Flash#readyState\n * @return {number}\n *         The value of `readyState` from the swf. This will be a number\n *         from the list in the description.\n */\n\n/**\n * Get the value of `initialTime` from the swf.\n *\n * @method Flash#initialTime\n * @return {number}\n *         The `initialTime` proprety on the swf.\n */\n\n/**\n * Get the value of `startOffsetTime` from the swf.\n *\n * @method Flash#startOffsetTime\n * @return {number}\n *         The `startOffsetTime` proprety on the swf.\n */\n\n/**\n * Get the value of `paused` from the swf. `paused` indicates whether the swf\n * is current paused or not.\n *\n * @method Flash#paused\n * @return {boolean}\n *         The value of `paused` from the swf.\n */\n\n/**\n * Get the value of `ended` from the swf. `ended` indicates whether\n * the media has reached the end or not.\n *\n * @method Flash#ended\n * @return {boolean}\n *         - True indicates that the media has ended.\n *         - False indicates that the media has not ended.\n *\n * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}\n */\n\n/**\n * Get the value of `videoWidth` from the swf. `videoWidth` indicates\n * the current width of the media in css pixels.\n *\n * @method Flash#videoWidth\n * @return {number}\n *         The value of `videoWidth` from the swf. This will be a number\n *         in css pixels.\n */\n\n/**\n * Get the value of `videoHeight` from the swf. `videoHeigth` indicates\n * the current height of the media in css pixels.\n *\n * @method Flassh.prototype.videoHeight\n * @return {number}\n *         The value of `videoHeight` from the swf. This will be a number\n *         in css pixels.\n */\n/** ------------------------------ Setters ------------------------------ **/\n\n/**\n * Set the value of `rtmpConnection` on the swf.\n *\n * @method Flash#setRtmpConnection\n * @param {string} rtmpConnection\n *        New value to set the `rtmpConnection` property to.\n */\n\n/**\n * Set the value of `rtmpStream` on the swf.\n *\n * @method Flash#setRtmpStream\n * @param {string} rtmpStream\n *        New value to set the `rtmpStream` property to.\n */\n\n/**\n * Set the value of `preload` on the swf. `preload` indicates\n * what should download before the media is interacted with. It can have the following\n * values:\n * - none: nothing should be downloaded\n * - metadata: poster and the first few frames of the media may be downloaded to get\n *   media dimensions and other metadata\n * - auto: allow the media and metadata for the media to be downloaded before\n *    interaction\n *\n * @method Flash#setPreload\n * @param {string} preload\n *        The value of `preload` to set on the swf. Should be 'none', 'metadata',\n *        or 'auto'.\n */\n\n/**\n * Set the value of `defaultPlaybackRate` on the swf.\n *\n * @method Flash#setDefaultPlaybackRate\n * @param {number} defaultPlaybackRate\n *        New value to set the `defaultPlaybackRate` property to.\n */\n\n/**\n * Set the value of `playbackRate` on the swf. `playbackRate` indicates\n * the rate at which the media is currently playing back. Examples:\n *   - if playbackRate is set to 2, media will play twice as fast.\n *   - if playbackRate is set to 0.5, media will play half as fast.\n *\n * @method Flash#setPlaybackRate\n * @param {number} playbackRate\n *        New value of `playbackRate` on the swf. A number indicating\n *        the current playback speed of the media, where 1 is normal speed.\n */\n\n/**\n * Set the value of `autoplay` on the swf. `autoplay` indicates\n * that the media should start to play as soon as the page is ready.\n *\n * @method Flash#setAutoplay\n * @param {boolean} autoplay\n *        - The value of `autoplay` from the swf.\n *        - True indicates that the media ashould start as soon as the page loads.\n *        - False indicates that the media should not start as soon as the page loads.\n */\n\n/**\n * Set the value of `loop` on the swf. `loop` indicates\n * that the media should return to the start of the media and continue playing once\n * it reaches the end.\n *\n * @method Flash#setLoop\n * @param {boolean} loop\n *        - True indicates that playback should seek back to start once\n *          the end of a media is reached.\n *        - False indicates that playback should not loop back to the start when the\n *          end of the media is reached.\n */\n\n/**\n * Set the value of `mediaGroup` on the swf.\n *\n * @method Flash#setMediaGroup\n * @param {string} mediaGroup\n *        New value of `mediaGroup` to set on the swf.\n */\n\n/**\n * Set the value of `controller` on the swf.\n *\n * @method Flash#setController\n * @param {string} controller\n *        New value the current value of `controller` on the swf.\n */\n\n/**\n * Get the value of `controls` from the swf. `controls` indicates\n * whether the native flash controls should be shown or hidden.\n *\n * @method Flash#controls\n * @return {boolean}\n *         - The value of `controls` from the swf.\n *         - True indicates that native controls should be showing.\n *         - False indicates that native controls should be hidden.\n */\n\n/**\n * Set the value of the `volume` on the swf. `volume` indicates the current\n * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and\n * so on.\n *\n * @method Flash#setVolume\n * @param {number} percentAsDecimal\n *         The volume percent as a decimal. Value will be between 0-1.\n */\n\n/**\n * Set the value of the `muted` on the swf. `muted` indicates that the current\n * audio level should be silent.\n *\n * @method Flash#setMuted\n * @param {boolean} muted\n *         - True if the audio should be set to silent\n *         - False otherwise\n */\n\n/**\n * Set the value of `defaultMuted` on the swf. `defaultMuted` indicates\n * whether the media should start muted or not. Only changes the default state of the\n * media. `muted` and `defaultMuted` can have different values. `muted` indicates the\n * current state.\n *\n * @method Flash#setDefaultMuted\n * @param {boolean} defaultMuted\n *         - True indicates that the media should start muted.\n *         - False indicates that the media should not start muted.\n */\n\n/* Flash Support Testing -------------------------------------------------------- */\n\n/**\n * Check if the Flash tech is currently supported.\n *\n * @return {boolean}\n *          - True for Chrome and Safari Desktop and Microsoft Edge and if flash tech is supported\n *          - False otherwise\n */\nFlash.isSupported = function () {\n  // for Chrome Desktop and Safari Desktop\n  if (videojs.browser.IS_CHROME && (!videojs.browser.IS_ANDROID || !videojs.browser.IS_IOS) || videojs.browser.IS_SAFARI && !videojs.browser.IS_IOS || videojs.browser.IS_EDGE) {\n    return true;\n  }\n  // for other browsers\n  return Flash.version()[0] >= 10;\n};\n\n// Add Source Handler pattern functions to this tech\nTech.withSourceHandlers(Flash);\n\n/*\n * Native source handler for flash,  simply passes the source to the swf element.\n *\n * @property {Tech~SourceObject} source\n *           The source object\n *\n * @property {Flash} tech\n *           The instance of the Flash tech\n */\nFlash.nativeSourceHandler = {};\n\n/**\n * Check if the Flash can play the given mime type.\n *\n * @param {string} type\n *        The mimetype to check\n *\n * @return {string}\n *         'maybe', or '' (empty string)\n */\nFlash.nativeSourceHandler.canPlayType = function (type) {\n  if (type in Flash.formats) {\n    return 'maybe';\n  }\n\n  return '';\n};\n\n/**\n * Check if the media element can handle a source natively.\n *\n * @param {Tech~SourceObject} source\n *         The source object\n *\n * @param {Object} [options]\n *         Options to be passed to the tech.\n *\n * @return {string}\n *         'maybe', or '' (empty string).\n */\nFlash.nativeSourceHandler.canHandleSource = function (source, options) {\n  var type = void 0;\n\n  /**\n   * Guess the mime type of a file if it does not have one\n   *\n   * @param {Tech~SourceObject} src\n   *        The source object to guess the mime type for\n   *\n   * @return {string}\n   *         The mime type that was guessed\n   */\n  function guessMimeType(src) {\n    var ext = Url.getFileExtension(src);\n\n    if (ext) {\n      return 'video/' + ext;\n    }\n    return '';\n  }\n\n  if (!source.type) {\n    type = guessMimeType(source.src);\n  } else {\n    // Strip code information from the type because we don't get that specific\n    type = source.type.replace(/;.*/, '').toLowerCase();\n  }\n\n  return Flash.nativeSourceHandler.canPlayType(type);\n};\n\n/**\n * Pass the source to the swf.\n *\n * @param {Tech~SourceObject} source\n *        The source object\n *\n * @param {Flash} tech\n *        The instance of the Flash tech\n *\n * @param {Object} [options]\n *        The options to pass to the source\n */\nFlash.nativeSourceHandler.handleSource = function (source, tech, options) {\n  tech.setSrc(source.src);\n};\n\n/**\n * noop for native source handler dispose, as cleanup will happen automatically.\n */\nFlash.nativeSourceHandler.dispose = function () {};\n\n// Register the native source handler\nFlash.registerSourceHandler(Flash.nativeSourceHandler);\n\n/**\n * Flash supported mime types.\n *\n * @constant {Object}\n */\nFlash.formats = {\n  'video/flv': 'FLV',\n  'video/x-flv': 'FLV',\n  'video/mp4': 'MP4',\n  'video/m4v': 'MP4'\n};\n\n/**\n * Called when the the swf is \"ready\", and makes sure that the swf is really\n * ready using {@link Flash#checkReady}\n *\n * @param {Object} currSwf\n *        The current swf object\n */\nFlash.onReady = function (currSwf) {\n  var el = Dom.$('#' + currSwf);\n  var tech = el && el.tech;\n\n  // if there is no el then the tech has been disposed\n  // and the tech element was removed from the player div\n  if (tech && tech.el()) {\n    // check that the flash object is really ready\n    Flash.checkReady(tech);\n  }\n};\n\n/**\n * The SWF isn't always ready when it says it is. 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javascript it\n  //   invokes\n  // - Flash is suspended until the javascript returns which may cause\n  //   playback performance issues\n  tech.setTimeout(function () {\n    tech.trigger(eventName, args);\n  }, 1);\n};\n\n/**\n * Log errors from the swf on the Flash tech.\n *\n * @param {number} swfID\n *        The id of the swf that had an error.\n *\n * @param {string} err\n *        The error to set on the Flash Tech.\n *\n * @return {MediaError|undefined}\n *          - Returns a MediaError when err is 'srcnotfound'\n *          - Returns undefined otherwise.\n */\nFlash.onError = function (swfID, err) {\n  var tech = Dom.$('#' + swfID).tech;\n\n  // trigger MEDIA_ERR_SRC_NOT_SUPPORTED\n  if (err === 'srcnotfound') {\n    return tech.error(4);\n  }\n\n  // trigger a custom error\n  if (typeof err === 'string') {\n    tech.error('FLASH: ' + err);\n  } else {\n    err.origin = 'flash';\n    tech.error(err);\n  }\n};\n\n/**\n * Get the current version of Flash that is in use on the page.\n *\n * @return {Array}\n *          an array of versions that are available.\n */\nFlash.version = function () {\n  var version$$1 = '0,0,0';\n\n  // IE\n  try {\n    version$$1 = new window_1.ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version').replace(/\\D+/g, ',').match(/^,?(.+),?$/)[1];\n\n    // other browsers\n  } catch (e) {\n    try {\n      if (navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin) {\n        version$$1 = (navigator.plugins['Shockwave Flash 2.0'] || navigator.plugins['Shockwave Flash']).description.replace(/\\D+/g, ',').match(/^,?(.+),?$/)[1];\n      }\n    } catch (err) {\n      // satisfy linter\n    }\n  }\n  return version$$1.split(',');\n};\n\n/**\n * Only use for non-iframe embeds.\n *\n * @param {Object} swf\n *        The videojs-swf object.\n *\n * @param {Object} flashVars\n *        Names and values to use as flash option variables.\n *\n * @param {Object} params\n *        Style parameters to set on the 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\ No newline at end of file
diff --git a/media/player/videojs/amd/build/window.min.js b/media/player/videojs/amd/build/window.min.js
index c22a3591559..2ca0a8c2987 100644
--- a/media/player/videojs/amd/build/window.min.js
+++ b/media/player/videojs/amd/build/window.min.js
@@ -1,2 +1,10 @@
-define ("media_videojs/window",[],function(){return window});
-//# sourceMappingURL=window.min.js.map
+/**
+ * AMD module to access the DOM global window object.
+ *
+ * @package    media_videojs
+ * @copyright  2019 Tom Dickman <tomdickman@catalyst-au.net>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("media_videojs/window",[],(function(){return window}));
+
+//# sourceMappingURL=window.min.js.map
\ No newline at end of file
diff --git a/media/player/videojs/amd/build/window.min.js.map b/media/player/videojs/amd/build/window.min.js.map
index 3f93f56846b..110d9b36f00 100644
--- a/media/player/videojs/amd/build/window.min.js.map
+++ b/media/player/videojs/amd/build/window.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/window.js"],"names":["define","window"],"mappings":"AAuBAA,OAAM,wBAAC,EAAD,CAAK,UAAW,CAClB,MAAOC,CAAAA,MACV,CAFK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module to access the DOM global window object.\n *\n * @package    media_videojs\n * @copyright  2019 Tom Dickman <tomdickman@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine([], function() {\n    return window;\n});\n"],"file":"window.min.js"}
\ No newline at end of file
+{"version":3,"file":"window.min.js","sources":["../src/window.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module to access the DOM global window object.\n *\n * @package    media_videojs\n * @copyright  2019 Tom Dickman <tomdickman@catalyst-au.net>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine([], function() {\n    return window;\n});\n"],"names":["define","window"],"mappings":";;;;;;;AAuBAA,8BAAO,IAAI,kBACAC"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer.min.js b/message/amd/build/message_drawer.min.js
index bcb430f8a01..94357a7da3b 100644
--- a/message/amd/build/message_drawer.min.js
+++ b/message/amd/build/message_drawer.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_drawer",["jquery","core/custom_interaction_events","core/pubsub","core_message/message_drawer_view_contact","core_message/message_drawer_view_contacts","core_message/message_drawer_view_conversation","core_message/message_drawer_view_group_info","core_message/message_drawer_view_overview","core_message/message_drawer_view_search","core_message/message_drawer_view_settings","core_message/message_drawer_router","core_message/message_drawer_routes","core_message/message_drawer_events","core/pending","core/drawer"],function(a,b,c,d,e,f,g,h,i,j,k,l,m,n,o){var p={DRAWER:"[data-region=\"right-hand-drawer\"]",JUMPTO:".popover-region [data-region=\"jumpto\"]",PANEL_BODY_CONTAINER:"[data-region=\"panel-body-container\"]",PANEL_HEADER_CONTAINER:"[data-region=\"panel-header-container\"]",VIEW_CONTACT:"[data-region=\"view-contact\"]",VIEW_CONTACTS:"[data-region=\"view-contacts\"]",VIEW_CONVERSATION:"[data-region=\"view-conversation\"]",VIEW_GROUP_INFO:"[data-region=\"view-group-info\"]",VIEW_OVERVIEW:"[data-region=\"view-overview\"]",VIEW_SEARCH:"[data-region=\"view-search\"]",VIEW_SETTINGS:"[data-region=\"view-settings\"]",ROUTES:"[data-route]",ROUTES_BACK:"[data-route-back]",HEADER_CONTAINER:"[data-region=\"header-container\"]",BODY_CONTAINER:"[data-region=\"body-container\"]",FOOTER_CONTAINER:"[data-region=\"footer-container\"]",CLOSE_BUTTON:"[data-action=\"closedrawer\"]"},q=function(a,b,c){var d=b.find(p.HEADER_CONTAINER).find(c);if(!d.length){d=b.find(p.PANEL_HEADER_CONTAINER).find(c)}var e=b.find(p.BODY_CONTAINER).find(c);if(!e.length){e=b.find(p.PANEL_BODY_CONTAINER).find(c)}var f=b.find(p.FOOTER_CONTAINER).find(c);return[a,d.length?d:null,e.length?e:null,f.length?f:null]},r=[[l.VIEW_CONTACT,p.VIEW_CONTACT,d.show,d.description],[l.VIEW_CONTACTS,p.VIEW_CONTACTS,e.show,e.description],[l.VIEW_CONVERSATION,p.VIEW_CONVERSATION,f.show,f.description],[l.VIEW_GROUP_INFO,p.VIEW_GROUP_INFO,g.show,g.description],[l.VIEW_OVERVIEW,p.VIEW_OVERVIEW,h.show,h.description],[l.VIEW_SEARCH,p.VIEW_SEARCH,i.show,i.description],[l.VIEW_SETTINGS,p.VIEW_SETTINGS,j.show,j.description]],s=function(a,b){r.forEach(function(c){k.add(a,c[0],q(a,b,c[1]),c[2],c[3])})},t=function(a,b){if(!b.attr("data-shown")){k.go(a,l.VIEW_OVERVIEW);b.attr("data-shown",!0)}var c=o.getDrawerRoot(b);if(c.length){o.show(c)}},u=function(a){var b=o.getDrawerRoot(a);if(b.length){o.hide(b)}},v=function(a){var b=o.getDrawerRoot(a);if(b.length){return o.isVisible(b)}return!0},w=function(b){a(p.DRAWER).attr("data-origin",b)},x=function(d,e,f){b.define(e,[b.events.activate]);var g=/^data-route-param-?(\d*)$/;e.on(b.events.activate,p.ROUTES,function(b,c){for(var e=a(b.target).closest(p.ROUTES),f=e.attr("data-route"),h=[],j=0;j<e[0].attributes.length;j++){h.push(e[0].attributes[j])}var l=h.filter(function(a){var b=a.nodeName,c=g.test(b);return c});l.sort(function(c,a){var b=g.exec(c.nodeName),d=g.exec(a.nodeName),e=1<b.length?b[1]:0,f=1<d.length?d[1]:0;if(e<f){return-1}else if(f<e){return 1}else{return 0}});var m=l.map(function(a){return a.nodeValue}),n=[d,f].concat(m);k.go.apply(null,n);c.originalEvent.preventDefault()});e.on(b.events.activate,p.ROUTES_BACK,function(a,b){k.back(d);b.originalEvent.preventDefault()});e.on("hide.bs.collapse",".collapse",function(b){var c=new n;a(b.target).one("hidden.bs.collapse",function(){c.resolve()})});e.on("show.bs.collapse",".collapse",function(b){var c=new n;a(b.target).one("shown.bs.collapse",function(){c.resolve()})});a(p.JUMPTO).focus(function(){var b=a(p.HEADER_CONTAINER).find("input:visible");if(b.length){b.focus()}else{a(p.HEADER_CONTAINER).find(p.ROUTES_BACK).focus()}});a(p.DRAWER).focus(function(){var b=a(this).attr("data-origin");if(b){a("#"+b).focus()}});if(!f){c.subscribe(m.SHOW,function(){t(d,e)});c.subscribe(m.HIDE,function(){u(e)});c.subscribe(m.TOGGLE_VISIBILITY,function(b){if(v(e)){u(e);a(p.JUMPTO).attr("tabindex",-1)}else{t(d,e);w(b);a(p.JUMPTO).attr("tabindex",0)}})}c.subscribe(m.SHOW_CONVERSATION,function(a){w(a.buttonid);t(d,e);k.go(d,l.VIEW_CONVERSATION,a.conversationid)});var h=e.find(p.CLOSE_BUTTON);h.on(b.events.activate,function(){c.publish(m.TOGGLE_VISIBILITY)});c.subscribe(m.CREATE_CONVERSATION_WITH_USER,function(a){w(a.buttonid);t(d,e);k.go(d,l.VIEW_CONVERSATION,null,"create",a.userid)});c.subscribe(m.SHOW_SETTINGS,function(){t(d,e);k.go(d,l.VIEW_SETTINGS)});c.subscribe(m.PREFERENCES_UPDATED,function(a){var b=a.filter(function(a){return"message_entertosend"==a.type}),c=b.length?b[0]:null;if(c){var d=e.find(p.FOOTER_CONTAINER).find(p.VIEW_CONVERSATION);d.attr("data-enter-to-send",c.value)}})};return{init:function init(b,c,d,e){b=a(b);s(c,b);x(c,b,d);if(d){t(c,b);if(e){var f=e.params||[];f=[c,e.path].concat(f);k.go.apply(null,f)}}}}});
-//# sourceMappingURL=message_drawer.min.js.map
+/**
+ * Controls the message drawer.
+ *
+ * @module     core_message/message_drawer
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer",["jquery","core/custom_interaction_events","core/pubsub","core_message/message_drawer_view_contact","core_message/message_drawer_view_contacts","core_message/message_drawer_view_conversation","core_message/message_drawer_view_group_info","core_message/message_drawer_view_overview","core_message/message_drawer_view_search","core_message/message_drawer_view_settings","core_message/message_drawer_router","core_message/message_drawer_routes","core_message/message_drawer_events","core/pending","core/drawer"],(function($,CustomEvents,PubSub,ViewContact,ViewContacts,ViewConversation,ViewGroupInfo,ViewOverview,ViewSearch,ViewSettings,Router,Routes,Events,Pending,Drawer){var SELECTORS_DRAWER='[data-region="right-hand-drawer"]',SELECTORS_JUMPTO='.popover-region [data-region="jumpto"]',SELECTORS_PANEL_BODY_CONTAINER='[data-region="panel-body-container"]',SELECTORS_PANEL_HEADER_CONTAINER='[data-region="panel-header-container"]',SELECTORS_VIEW_CONTACT='[data-region="view-contact"]',SELECTORS_VIEW_CONTACTS='[data-region="view-contacts"]',SELECTORS_VIEW_CONVERSATION='[data-region="view-conversation"]',SELECTORS_VIEW_GROUP_INFO='[data-region="view-group-info"]',SELECTORS_VIEW_OVERVIEW='[data-region="view-overview"]',SELECTORS_VIEW_SEARCH='[data-region="view-search"]',SELECTORS_VIEW_SETTINGS='[data-region="view-settings"]',SELECTORS_ROUTES="[data-route]",SELECTORS_ROUTES_BACK="[data-route-back]",SELECTORS_HEADER_CONTAINER='[data-region="header-container"]',SELECTORS_BODY_CONTAINER='[data-region="body-container"]',SELECTORS_FOOTER_CONTAINER='[data-region="footer-container"]',SELECTORS_CLOSE_BUTTON='[data-action="closedrawer"]',routes=[[Routes.VIEW_CONTACT,SELECTORS_VIEW_CONTACT,ViewContact.show,ViewContact.description],[Routes.VIEW_CONTACTS,SELECTORS_VIEW_CONTACTS,ViewContacts.show,ViewContacts.description],[Routes.VIEW_CONVERSATION,SELECTORS_VIEW_CONVERSATION,ViewConversation.show,ViewConversation.description],[Routes.VIEW_GROUP_INFO,SELECTORS_VIEW_GROUP_INFO,ViewGroupInfo.show,ViewGroupInfo.description],[Routes.VIEW_OVERVIEW,SELECTORS_VIEW_OVERVIEW,ViewOverview.show,ViewOverview.description],[Routes.VIEW_SEARCH,SELECTORS_VIEW_SEARCH,ViewSearch.show,ViewSearch.description],[Routes.VIEW_SETTINGS,SELECTORS_VIEW_SETTINGS,ViewSettings.show,ViewSettings.description]],createRoutes=function(namespace,root){routes.forEach((function(route){Router.add(namespace,route[0],function(namespace,root,selector){var header=root.find(SELECTORS_HEADER_CONTAINER).find(selector);header.length||(header=root.find(SELECTORS_PANEL_HEADER_CONTAINER).find(selector));var body=root.find(SELECTORS_BODY_CONTAINER).find(selector);body.length||(body=root.find(SELECTORS_PANEL_BODY_CONTAINER).find(selector));var footer=root.find(SELECTORS_FOOTER_CONTAINER).find(selector);return[namespace,header.length?header:null,body.length?body:null,footer.length?footer:null]}(namespace,root,route[1]),route[2],route[3])}))},show=function(namespace,root){root.attr("data-shown")||(Router.go(namespace,Routes.VIEW_OVERVIEW),root.attr("data-shown",!0));var drawerRoot=Drawer.getDrawerRoot(root);drawerRoot.length&&Drawer.show(drawerRoot)},hide=function(root){var drawerRoot=Drawer.getDrawerRoot(root);drawerRoot.length&&Drawer.hide(drawerRoot)},setJumpFrom=function(buttonid){$(SELECTORS_DRAWER).attr("data-origin",buttonid)},registerEventListeners=function(namespace,root,alwaysVisible){CustomEvents.define(root,[CustomEvents.events.activate]);var paramRegex=/^data-route-param-?(\d*)$/;root.on(CustomEvents.events.activate,SELECTORS_ROUTES,(function(e,data){for(var element=$(e.target).closest(SELECTORS_ROUTES),route=element.attr("data-route"),attributes=[],i=0;i<element[0].attributes.length;i++)attributes.push(element[0].attributes[i]);var paramAttributes=attributes.filter((function(attribute){var name=attribute.nodeName;return paramRegex.test(name)}));paramAttributes.sort((function(a,b){var aParts=paramRegex.exec(a.nodeName),bParts=paramRegex.exec(b.nodeName),aIndex=aParts.length>1?aParts[1]:0,bIndex=bParts.length>1?bParts[1]:0;return aIndex<bIndex?-1:bIndex<aIndex?1:0}));var params=paramAttributes.map((function(attribute){return attribute.nodeValue})),routeParams=[namespace,route].concat(params);Router.go.apply(null,routeParams),data.originalEvent.preventDefault()})),root.on(CustomEvents.events.activate,SELECTORS_ROUTES_BACK,(function(e,data){Router.back(namespace),data.originalEvent.preventDefault()})),root.on("hide.bs.collapse",".collapse",(function(e){var pendingPromise=new Pending;$(e.target).one("hidden.bs.collapse",(function(){pendingPromise.resolve()}))})),root.on("show.bs.collapse",".collapse",(function(e){var pendingPromise=new Pending;$(e.target).one("shown.bs.collapse",(function(){pendingPromise.resolve()}))})),$(SELECTORS_JUMPTO).focus((function(){var firstInput=$(SELECTORS_HEADER_CONTAINER).find("input:visible");firstInput.length?firstInput.focus():$(SELECTORS_HEADER_CONTAINER).find(SELECTORS_ROUTES_BACK).focus()})),$(SELECTORS_DRAWER).focus((function(){var button=$(this).attr("data-origin");button&&$("#"+button).focus()})),alwaysVisible||(PubSub.subscribe(Events.SHOW,(function(){show(namespace,root)})),PubSub.subscribe(Events.HIDE,(function(){hide(root)})),PubSub.subscribe(Events.TOGGLE_VISIBILITY,(function(buttonid){!function(root){var drawerRoot=Drawer.getDrawerRoot(root);return!drawerRoot.length||Drawer.isVisible(drawerRoot)}(root)?(show(namespace,root),setJumpFrom(buttonid),$(SELECTORS_JUMPTO).attr("tabindex",0)):(hide(root),$(SELECTORS_JUMPTO).attr("tabindex",-1))}))),PubSub.subscribe(Events.SHOW_CONVERSATION,(function(args){setJumpFrom(args.buttonid),show(namespace,root),Router.go(namespace,Routes.VIEW_CONVERSATION,args.conversationid)})),root.find(SELECTORS_CLOSE_BUTTON).on(CustomEvents.events.activate,(function(){PubSub.publish(Events.TOGGLE_VISIBILITY)})),PubSub.subscribe(Events.CREATE_CONVERSATION_WITH_USER,(function(args){setJumpFrom(args.buttonid),show(namespace,root),Router.go(namespace,Routes.VIEW_CONVERSATION,null,"create",args.userid)})),PubSub.subscribe(Events.SHOW_SETTINGS,(function(){show(namespace,root),Router.go(namespace,Routes.VIEW_SETTINGS)})),PubSub.subscribe(Events.PREFERENCES_UPDATED,(function(preferences){var filteredPreferences=preferences.filter((function(preference){return"message_entertosend"==preference.type})),enterToSendPreference=filteredPreferences.length?filteredPreferences[0]:null;enterToSendPreference&&root.find(SELECTORS_FOOTER_CONTAINER).find(SELECTORS_VIEW_CONVERSATION).attr("data-enter-to-send",enterToSendPreference.value)}))};return{init:function(root,uniqueId,alwaysVisible,route){if(root=$(root),createRoutes(uniqueId,root),registerEventListeners(uniqueId,root,alwaysVisible),alwaysVisible&&(show(uniqueId,root),route)){var routeParams=route.params||[];routeParams=[uniqueId,route.path].concat(routeParams),Router.go.apply(null,routeParams)}}}}));
+
+//# sourceMappingURL=message_drawer.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer.min.js.map b/message/amd/build/message_drawer.min.js.map
index fad71131eaa..bac2589e12b 100644
--- a/message/amd/build/message_drawer.min.js.map
+++ b/message/amd/build/message_drawer.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the message drawer.\n *\n * @module     core_message/message_drawer\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/pubsub',\n    'core_message/message_drawer_view_contact',\n    'core_message/message_drawer_view_contacts',\n    'core_message/message_drawer_view_conversation',\n    'core_message/message_drawer_view_group_info',\n    'core_message/message_drawer_view_overview',\n    'core_message/message_drawer_view_search',\n    'core_message/message_drawer_view_settings',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core_message/message_drawer_events',\n    'core/pending',\n    'core/drawer',\n],\nfunction(\n    $,\n    CustomEvents,\n    PubSub,\n    ViewContact,\n    ViewContacts,\n    ViewConversation,\n    ViewGroupInfo,\n    ViewOverview,\n    ViewSearch,\n    ViewSettings,\n    Router,\n    Routes,\n    Events,\n    Pending,\n    Drawer\n) {\n\n    var SELECTORS = {\n        DRAWER: '[data-region=\"right-hand-drawer\"]',\n        JUMPTO: '.popover-region [data-region=\"jumpto\"]',\n        PANEL_BODY_CONTAINER: '[data-region=\"panel-body-container\"]',\n        PANEL_HEADER_CONTAINER: '[data-region=\"panel-header-container\"]',\n        VIEW_CONTACT: '[data-region=\"view-contact\"]',\n        VIEW_CONTACTS: '[data-region=\"view-contacts\"]',\n        VIEW_CONVERSATION: '[data-region=\"view-conversation\"]',\n        VIEW_GROUP_INFO: '[data-region=\"view-group-info\"]',\n        VIEW_OVERVIEW: '[data-region=\"view-overview\"]',\n        VIEW_SEARCH: '[data-region=\"view-search\"]',\n        VIEW_SETTINGS: '[data-region=\"view-settings\"]',\n        ROUTES: '[data-route]',\n        ROUTES_BACK: '[data-route-back]',\n        HEADER_CONTAINER: '[data-region=\"header-container\"]',\n        BODY_CONTAINER: '[data-region=\"body-container\"]',\n        FOOTER_CONTAINER: '[data-region=\"footer-container\"]',\n        CLOSE_BUTTON: '[data-action=\"closedrawer\"]'\n    };\n\n    /**\n     * Get elements for route.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} root The message drawer container.\n     * @param {string} selector The route container.\n     *\n     * @return {array} elements Found route container objects.\n    */\n    var getParametersForRoute = function(namespace, root, selector) {\n\n        var header = root.find(SELECTORS.HEADER_CONTAINER).find(selector);\n        if (!header.length) {\n            header = root.find(SELECTORS.PANEL_HEADER_CONTAINER).find(selector);\n        }\n        var body = root.find(SELECTORS.BODY_CONTAINER).find(selector);\n        if (!body.length) {\n            body = root.find(SELECTORS.PANEL_BODY_CONTAINER).find(selector);\n        }\n        var footer = root.find(SELECTORS.FOOTER_CONTAINER).find(selector);\n\n        return [\n            namespace,\n            header.length ? header : null,\n            body.length ? body : null,\n            footer.length ? footer : null\n        ];\n    };\n\n    var routes = [\n        [Routes.VIEW_CONTACT, SELECTORS.VIEW_CONTACT, ViewContact.show, ViewContact.description],\n        [Routes.VIEW_CONTACTS, SELECTORS.VIEW_CONTACTS, ViewContacts.show, ViewContacts.description],\n        [Routes.VIEW_CONVERSATION, SELECTORS.VIEW_CONVERSATION, ViewConversation.show, ViewConversation.description],\n        [Routes.VIEW_GROUP_INFO, SELECTORS.VIEW_GROUP_INFO, ViewGroupInfo.show, ViewGroupInfo.description],\n        [Routes.VIEW_OVERVIEW, SELECTORS.VIEW_OVERVIEW, ViewOverview.show, ViewOverview.description],\n        [Routes.VIEW_SEARCH, SELECTORS.VIEW_SEARCH, ViewSearch.show, ViewSearch.description],\n        [Routes.VIEW_SETTINGS, SELECTORS.VIEW_SETTINGS, ViewSettings.show, ViewSettings.description]\n    ];\n\n    /**\n     * Create routes.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} root The message drawer container.\n     */\n    var createRoutes = function(namespace, root) {\n        routes.forEach(function(route) {\n            Router.add(namespace, route[0], getParametersForRoute(namespace, root, route[1]), route[2], route[3]);\n        });\n    };\n\n    /**\n     * Show the message drawer.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} root The message drawer container.\n     */\n    var show = function(namespace, root) {\n        if (!root.attr('data-shown')) {\n            Router.go(namespace, Routes.VIEW_OVERVIEW);\n            root.attr('data-shown', true);\n        }\n\n        var drawerRoot = Drawer.getDrawerRoot(root);\n        if (drawerRoot.length) {\n            Drawer.show(drawerRoot);\n        }\n    };\n\n    /**\n     * Hide the message drawer.\n     *\n     * @param {Object} root The message drawer container.\n     */\n    var hide = function(root) {\n        var drawerRoot = Drawer.getDrawerRoot(root);\n        if (drawerRoot.length) {\n            Drawer.hide(drawerRoot);\n        }\n    };\n\n    /**\n     * Check if the drawer is visible.\n     *\n     * @param {Object} root The message drawer container.\n     * @return {boolean}\n     */\n    var isVisible = function(root) {\n        var drawerRoot = Drawer.getDrawerRoot(root);\n        if (drawerRoot.length) {\n            return Drawer.isVisible(drawerRoot);\n        }\n        return true;\n    };\n\n    /**\n     * Set Jump from button\n     *\n     * @param {String} buttonid The originating button id\n     */\n    var setJumpFrom = function(buttonid) {\n        $(SELECTORS.DRAWER).attr('data-origin', buttonid);\n    };\n\n    /**\n     * Listen to and handle events for routing, showing and hiding the message drawer.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} root The message drawer container.\n     * @param {bool} alwaysVisible Is this messaging app always shown?\n     */\n    var registerEventListeners = function(namespace, root, alwaysVisible) {\n        CustomEvents.define(root, [CustomEvents.events.activate]);\n        var paramRegex = /^data-route-param-?(\\d*)$/;\n\n        root.on(CustomEvents.events.activate, SELECTORS.ROUTES, function(e, data) {\n            var element = $(e.target).closest(SELECTORS.ROUTES);\n            var route = element.attr('data-route');\n            var attributes = [];\n\n            for (var i = 0; i < element[0].attributes.length; i++) {\n                attributes.push(element[0].attributes[i]);\n            }\n\n            var paramAttributes = attributes.filter(function(attribute) {\n                var name = attribute.nodeName;\n                var match = paramRegex.test(name);\n                return match;\n            });\n            paramAttributes.sort(function(a, b) {\n                var aParts = paramRegex.exec(a.nodeName);\n                var bParts = paramRegex.exec(b.nodeName);\n                var aIndex = aParts.length > 1 ? aParts[1] : 0;\n                var bIndex = bParts.length > 1 ? bParts[1] : 0;\n\n                if (aIndex < bIndex) {\n                    return -1;\n                } else if (bIndex < aIndex) {\n                    return 1;\n                } else {\n                    return 0;\n                }\n            });\n\n            var params = paramAttributes.map(function(attribute) {\n                return attribute.nodeValue;\n            });\n\n            var routeParams = [namespace, route].concat(params);\n\n            Router.go.apply(null, routeParams);\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.ROUTES_BACK, function(e, data) {\n            Router.back(namespace);\n\n            data.originalEvent.preventDefault();\n        });\n\n        // These are theme-specific to help us fix random behat fails.\n        // These events target those events defined in BS3 and BS4 onwards.\n        root.on('hide.bs.collapse', '.collapse', function(e) {\n            var pendingPromise = new Pending();\n            $(e.target).one('hidden.bs.collapse', function() {\n                pendingPromise.resolve();\n            });\n        });\n\n        root.on('show.bs.collapse', '.collapse', function(e) {\n            var pendingPromise = new Pending();\n            $(e.target).one('shown.bs.collapse', function() {\n                pendingPromise.resolve();\n            });\n        });\n\n        $(SELECTORS.JUMPTO).focus(function() {\n            var firstInput = $(SELECTORS.HEADER_CONTAINER).find('input:visible');\n            if (firstInput.length) {\n                firstInput.focus();\n            } else {\n                $(SELECTORS.HEADER_CONTAINER).find(SELECTORS.ROUTES_BACK).focus();\n            }\n        });\n\n        $(SELECTORS.DRAWER).focus(function() {\n            var button = $(this).attr('data-origin');\n            if (button) {\n                $('#' + button).focus();\n            }\n        });\n\n        if (!alwaysVisible) {\n            PubSub.subscribe(Events.SHOW, function() {\n                show(namespace, root);\n            });\n\n            PubSub.subscribe(Events.HIDE, function() {\n                hide(root);\n            });\n\n            PubSub.subscribe(Events.TOGGLE_VISIBILITY, function(buttonid) {\n                if (isVisible(root)) {\n                    hide(root);\n                    $(SELECTORS.JUMPTO).attr('tabindex', -1);\n                } else {\n                    show(namespace, root);\n                    setJumpFrom(buttonid);\n                    $(SELECTORS.JUMPTO).attr('tabindex', 0);\n                }\n            });\n        }\n\n        PubSub.subscribe(Events.SHOW_CONVERSATION, function(args) {\n            setJumpFrom(args.buttonid);\n            show(namespace, root);\n            Router.go(namespace, Routes.VIEW_CONVERSATION, args.conversationid);\n        });\n\n        var closebutton = root.find(SELECTORS.CLOSE_BUTTON);\n        closebutton.on(CustomEvents.events.activate, function() {\n            PubSub.publish(Events.TOGGLE_VISIBILITY);\n        });\n\n        PubSub.subscribe(Events.CREATE_CONVERSATION_WITH_USER, function(args) {\n            setJumpFrom(args.buttonid);\n            show(namespace, root);\n            Router.go(namespace, Routes.VIEW_CONVERSATION, null, 'create', args.userid);\n        });\n\n        PubSub.subscribe(Events.SHOW_SETTINGS, function() {\n            show(namespace, root);\n            Router.go(namespace, Routes.VIEW_SETTINGS);\n        });\n\n        PubSub.subscribe(Events.PREFERENCES_UPDATED, function(preferences) {\n            var filteredPreferences = preferences.filter(function(preference) {\n                return preference.type == 'message_entertosend';\n            });\n            var enterToSendPreference = filteredPreferences.length ? filteredPreferences[0] : null;\n\n            if (enterToSendPreference) {\n                var viewConversationFooter = root.find(SELECTORS.FOOTER_CONTAINER).find(SELECTORS.VIEW_CONVERSATION);\n                viewConversationFooter.attr('data-enter-to-send', enterToSendPreference.value);\n            }\n        });\n    };\n\n    /**\n     * Initialise the message drawer.\n     *\n     * @param {Object} root The message drawer container.\n     * @param {String} uniqueId Unique identifier for the Routes\n     * @param {bool} alwaysVisible Should we show the app now, or wait for the user?\n     * @param {Object} route\n     */\n    var init = function(root, uniqueId, alwaysVisible, route) {\n        root = $(root);\n        createRoutes(uniqueId, root);\n        registerEventListeners(uniqueId, root, alwaysVisible);\n\n        if (alwaysVisible) {\n            show(uniqueId, root);\n\n            if (route) {\n                var routeParams = route.params || [];\n                routeParams = [uniqueId, route.path].concat(routeParams);\n                Router.go.apply(null, routeParams);\n            }\n        }\n    };\n\n    return {\n        init: init,\n    };\n});\n"],"file":"message_drawer.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer.min.js","sources":["../src/message_drawer.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the message drawer.\n *\n * @module     core_message/message_drawer\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/pubsub',\n    'core_message/message_drawer_view_contact',\n    'core_message/message_drawer_view_contacts',\n    'core_message/message_drawer_view_conversation',\n    'core_message/message_drawer_view_group_info',\n    'core_message/message_drawer_view_overview',\n    'core_message/message_drawer_view_search',\n    'core_message/message_drawer_view_settings',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core_message/message_drawer_events',\n    'core/pending',\n    'core/drawer',\n],\nfunction(\n    $,\n    CustomEvents,\n    PubSub,\n    ViewContact,\n    ViewContacts,\n    ViewConversation,\n    ViewGroupInfo,\n    ViewOverview,\n    ViewSearch,\n    ViewSettings,\n    Router,\n    Routes,\n    Events,\n    Pending,\n    Drawer\n) {\n\n    var SELECTORS = {\n        DRAWER: '[data-region=\"right-hand-drawer\"]',\n        JUMPTO: '.popover-region [data-region=\"jumpto\"]',\n        PANEL_BODY_CONTAINER: '[data-region=\"panel-body-container\"]',\n        PANEL_HEADER_CONTAINER: '[data-region=\"panel-header-container\"]',\n        VIEW_CONTACT: '[data-region=\"view-contact\"]',\n        VIEW_CONTACTS: '[data-region=\"view-contacts\"]',\n        VIEW_CONVERSATION: '[data-region=\"view-conversation\"]',\n        VIEW_GROUP_INFO: '[data-region=\"view-group-info\"]',\n        VIEW_OVERVIEW: '[data-region=\"view-overview\"]',\n        VIEW_SEARCH: '[data-region=\"view-search\"]',\n        VIEW_SETTINGS: '[data-region=\"view-settings\"]',\n        ROUTES: '[data-route]',\n        ROUTES_BACK: '[data-route-back]',\n        HEADER_CONTAINER: '[data-region=\"header-container\"]',\n        BODY_CONTAINER: '[data-region=\"body-container\"]',\n        FOOTER_CONTAINER: '[data-region=\"footer-container\"]',\n        CLOSE_BUTTON: '[data-action=\"closedrawer\"]'\n    };\n\n    /**\n     * Get elements for route.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} root The message drawer container.\n     * @param {string} selector The route container.\n     *\n     * @return {array} elements Found route container objects.\n    */\n    var getParametersForRoute = function(namespace, root, selector) {\n\n        var header = root.find(SELECTORS.HEADER_CONTAINER).find(selector);\n        if (!header.length) {\n            header = root.find(SELECTORS.PANEL_HEADER_CONTAINER).find(selector);\n        }\n        var body = root.find(SELECTORS.BODY_CONTAINER).find(selector);\n        if (!body.length) {\n            body = root.find(SELECTORS.PANEL_BODY_CONTAINER).find(selector);\n        }\n        var footer = root.find(SELECTORS.FOOTER_CONTAINER).find(selector);\n\n        return [\n            namespace,\n            header.length ? header : null,\n            body.length ? body : null,\n            footer.length ? footer : null\n        ];\n    };\n\n    var routes = [\n        [Routes.VIEW_CONTACT, SELECTORS.VIEW_CONTACT, ViewContact.show, ViewContact.description],\n        [Routes.VIEW_CONTACTS, SELECTORS.VIEW_CONTACTS, ViewContacts.show, ViewContacts.description],\n        [Routes.VIEW_CONVERSATION, SELECTORS.VIEW_CONVERSATION, ViewConversation.show, ViewConversation.description],\n        [Routes.VIEW_GROUP_INFO, SELECTORS.VIEW_GROUP_INFO, ViewGroupInfo.show, ViewGroupInfo.description],\n        [Routes.VIEW_OVERVIEW, SELECTORS.VIEW_OVERVIEW, ViewOverview.show, ViewOverview.description],\n        [Routes.VIEW_SEARCH, SELECTORS.VIEW_SEARCH, ViewSearch.show, ViewSearch.description],\n        [Routes.VIEW_SETTINGS, SELECTORS.VIEW_SETTINGS, ViewSettings.show, ViewSettings.description]\n    ];\n\n    /**\n     * Create routes.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} root The message drawer container.\n     */\n    var createRoutes = function(namespace, root) {\n        routes.forEach(function(route) {\n            Router.add(namespace, route[0], getParametersForRoute(namespace, root, route[1]), route[2], route[3]);\n        });\n    };\n\n    /**\n     * Show the message drawer.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} root The message drawer container.\n     */\n    var show = function(namespace, root) {\n        if (!root.attr('data-shown')) {\n            Router.go(namespace, Routes.VIEW_OVERVIEW);\n            root.attr('data-shown', true);\n        }\n\n        var drawerRoot = Drawer.getDrawerRoot(root);\n        if (drawerRoot.length) {\n            Drawer.show(drawerRoot);\n        }\n    };\n\n    /**\n     * Hide the message drawer.\n     *\n     * @param {Object} root The message drawer container.\n     */\n    var hide = function(root) {\n        var drawerRoot = Drawer.getDrawerRoot(root);\n        if (drawerRoot.length) {\n            Drawer.hide(drawerRoot);\n        }\n    };\n\n    /**\n     * Check if the drawer is visible.\n     *\n     * @param {Object} root The message drawer container.\n     * @return {boolean}\n     */\n    var isVisible = function(root) {\n        var drawerRoot = Drawer.getDrawerRoot(root);\n        if (drawerRoot.length) {\n            return Drawer.isVisible(drawerRoot);\n        }\n        return true;\n    };\n\n    /**\n     * Set Jump from button\n     *\n     * @param {String} buttonid The originating button id\n     */\n    var setJumpFrom = function(buttonid) {\n        $(SELECTORS.DRAWER).attr('data-origin', buttonid);\n    };\n\n    /**\n     * Listen to and handle events for routing, showing and hiding the message drawer.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} root The message drawer container.\n     * @param {bool} alwaysVisible Is this messaging app always shown?\n     */\n    var registerEventListeners = function(namespace, root, alwaysVisible) {\n        CustomEvents.define(root, [CustomEvents.events.activate]);\n        var paramRegex = /^data-route-param-?(\\d*)$/;\n\n        root.on(CustomEvents.events.activate, SELECTORS.ROUTES, function(e, data) {\n            var element = $(e.target).closest(SELECTORS.ROUTES);\n            var route = element.attr('data-route');\n            var attributes = [];\n\n            for (var i = 0; i < element[0].attributes.length; i++) {\n                attributes.push(element[0].attributes[i]);\n            }\n\n            var paramAttributes = attributes.filter(function(attribute) {\n                var name = attribute.nodeName;\n                var match = paramRegex.test(name);\n                return match;\n            });\n            paramAttributes.sort(function(a, b) {\n                var aParts = paramRegex.exec(a.nodeName);\n                var bParts = paramRegex.exec(b.nodeName);\n                var aIndex = aParts.length > 1 ? aParts[1] : 0;\n                var bIndex = bParts.length > 1 ? bParts[1] : 0;\n\n                if (aIndex < bIndex) {\n                    return -1;\n                } else if (bIndex < aIndex) {\n                    return 1;\n                } else {\n                    return 0;\n                }\n            });\n\n            var params = paramAttributes.map(function(attribute) {\n                return attribute.nodeValue;\n            });\n\n            var routeParams = [namespace, route].concat(params);\n\n            Router.go.apply(null, routeParams);\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.activate, SELECTORS.ROUTES_BACK, function(e, data) {\n            Router.back(namespace);\n\n            data.originalEvent.preventDefault();\n        });\n\n        // These are theme-specific to help us fix random behat fails.\n        // These events target those events defined in BS3 and BS4 onwards.\n        root.on('hide.bs.collapse', '.collapse', function(e) {\n            var pendingPromise = new Pending();\n            $(e.target).one('hidden.bs.collapse', function() {\n                pendingPromise.resolve();\n            });\n        });\n\n        root.on('show.bs.collapse', '.collapse', function(e) {\n            var pendingPromise = new Pending();\n            $(e.target).one('shown.bs.collapse', function() {\n                pendingPromise.resolve();\n            });\n        });\n\n        $(SELECTORS.JUMPTO).focus(function() {\n            var firstInput = $(SELECTORS.HEADER_CONTAINER).find('input:visible');\n            if (firstInput.length) {\n                firstInput.focus();\n            } else {\n                $(SELECTORS.HEADER_CONTAINER).find(SELECTORS.ROUTES_BACK).focus();\n            }\n        });\n\n        $(SELECTORS.DRAWER).focus(function() {\n            var button = $(this).attr('data-origin');\n            if (button) {\n                $('#' + button).focus();\n            }\n        });\n\n        if (!alwaysVisible) {\n            PubSub.subscribe(Events.SHOW, function() {\n                show(namespace, root);\n            });\n\n            PubSub.subscribe(Events.HIDE, function() {\n                hide(root);\n            });\n\n            PubSub.subscribe(Events.TOGGLE_VISIBILITY, function(buttonid) {\n                if (isVisible(root)) {\n                    hide(root);\n                    $(SELECTORS.JUMPTO).attr('tabindex', -1);\n                } else {\n                    show(namespace, root);\n                    setJumpFrom(buttonid);\n                    $(SELECTORS.JUMPTO).attr('tabindex', 0);\n                }\n            });\n        }\n\n        PubSub.subscribe(Events.SHOW_CONVERSATION, function(args) {\n            setJumpFrom(args.buttonid);\n            show(namespace, root);\n            Router.go(namespace, Routes.VIEW_CONVERSATION, args.conversationid);\n        });\n\n        var closebutton = root.find(SELECTORS.CLOSE_BUTTON);\n        closebutton.on(CustomEvents.events.activate, function() {\n            PubSub.publish(Events.TOGGLE_VISIBILITY);\n        });\n\n        PubSub.subscribe(Events.CREATE_CONVERSATION_WITH_USER, function(args) {\n            setJumpFrom(args.buttonid);\n            show(namespace, root);\n            Router.go(namespace, Routes.VIEW_CONVERSATION, null, 'create', args.userid);\n        });\n\n        PubSub.subscribe(Events.SHOW_SETTINGS, function() {\n            show(namespace, root);\n            Router.go(namespace, Routes.VIEW_SETTINGS);\n        });\n\n        PubSub.subscribe(Events.PREFERENCES_UPDATED, function(preferences) {\n            var filteredPreferences = preferences.filter(function(preference) {\n                return preference.type == 'message_entertosend';\n            });\n            var enterToSendPreference = filteredPreferences.length ? filteredPreferences[0] : null;\n\n            if (enterToSendPreference) {\n                var viewConversationFooter = root.find(SELECTORS.FOOTER_CONTAINER).find(SELECTORS.VIEW_CONVERSATION);\n                viewConversationFooter.attr('data-enter-to-send', enterToSendPreference.value);\n            }\n        });\n    };\n\n    /**\n     * Initialise the message drawer.\n     *\n     * @param {Object} root The message drawer container.\n     * @param {String} uniqueId Unique identifier for the Routes\n     * @param {bool} alwaysVisible Should we show the app now, or wait for the user?\n     * @param {Object} route\n     */\n    var init = function(root, uniqueId, alwaysVisible, route) {\n        root = $(root);\n        createRoutes(uniqueId, root);\n        registerEventListeners(uniqueId, root, alwaysVisible);\n\n        if (alwaysVisible) {\n            show(uniqueId, root);\n\n            if (route) {\n                var routeParams = route.params || [];\n                routeParams = [uniqueId, route.path].concat(routeParams);\n                Router.go.apply(null, routeParams);\n            }\n        }\n    };\n\n    return {\n        init: init,\n    };\n});\n"],"names":["define","$","CustomEvents","PubSub","ViewContact","ViewContacts","ViewConversation","ViewGroupInfo","ViewOverview","ViewSearch","ViewSettings","Router","Routes","Events","Pending","Drawer","SELECTORS","routes","VIEW_CONTACT","show","description","VIEW_CONTACTS","VIEW_CONVERSATION","VIEW_GROUP_INFO","VIEW_OVERVIEW","VIEW_SEARCH","VIEW_SETTINGS","createRoutes","namespace","root","forEach","route","add","selector","header","find","length","body","footer","getParametersForRoute","attr","go","drawerRoot","getDrawerRoot","hide","setJumpFrom","buttonid","registerEventListeners","alwaysVisible","events","activate","paramRegex","on","e","data","element","target","closest","attributes","i","push","paramAttributes","filter","attribute","name","nodeName","test","sort","a","b","aParts","exec","bParts","aIndex","bIndex","params","map","nodeValue","routeParams","concat","apply","originalEvent","preventDefault","back","pendingPromise","one","resolve","focus","firstInput","button","this","subscribe","SHOW","HIDE","TOGGLE_VISIBILITY","isVisible","SHOW_CONVERSATION","args","conversationid","publish","CREATE_CONVERSATION_WITH_USER","userid","SHOW_SETTINGS","PREFERENCES_UPDATED","preferences","filteredPreferences","preference","type","enterToSendPreference","value","init","uniqueId","path"],"mappings":";;;;;;;AAsBAA,qCACA,CACI,SACA,iCACA,cACA,2CACA,4CACA,gDACA,8CACA,4CACA,0CACA,4CACA,qCACA,qCACA,qCACA,eACA,gBAEJ,SACIC,EACAC,aACAC,OACAC,YACAC,aACAC,iBACAC,cACAC,aACAC,WACAC,aACAC,OACAC,OACAC,OACAC,QACAC,YAGIC,iBACQ,oCADRA,iBAEQ,yCAFRA,+BAGsB,uCAHtBA,iCAIwB,yCAJxBA,uBAKc,+BALdA,wBAMe,gCANfA,4BAOmB,oCAPnBA,0BAQiB,kCARjBA,wBASe,gCATfA,sBAUa,8BAVbA,wBAWe,gCAXfA,iBAYQ,eAZRA,sBAaa,oBAbbA,2BAckB,mCAdlBA,yBAegB,iCAfhBA,2BAgBkB,mCAhBlBA,uBAiBc,8BAgCdC,OAAS,CACT,CAACL,OAAOM,aAAcF,uBAAwBZ,YAAYe,KAAMf,YAAYgB,aAC5E,CAACR,OAAOS,cAAeL,wBAAyBX,aAAac,KAAMd,aAAae,aAChF,CAACR,OAAOU,kBAAmBN,4BAA6BV,iBAAiBa,KAAMb,iBAAiBc,aAChG,CAACR,OAAOW,gBAAiBP,0BAA2BT,cAAcY,KAAMZ,cAAca,aACtF,CAACR,OAAOY,cAAeR,wBAAyBR,aAAaW,KAAMX,aAAaY,aAChF,CAACR,OAAOa,YAAaT,sBAAuBP,WAAWU,KAAMV,WAAWW,aACxE,CAACR,OAAOc,cAAeV,wBAAyBN,aAAaS,KAAMT,aAAaU,cAShFO,aAAe,SAASC,UAAWC,MACnCZ,OAAOa,SAAQ,SAASC,OACpBpB,OAAOqB,IAAIJ,UAAWG,MAAM,GAtCR,SAASH,UAAWC,KAAMI,cAE9CC,OAASL,KAAKM,KAAKnB,4BAA4BmB,KAAKF,UACnDC,OAAOE,SACRF,OAASL,KAAKM,KAAKnB,kCAAkCmB,KAAKF,eAE1DI,KAAOR,KAAKM,KAAKnB,0BAA0BmB,KAAKF,UAC/CI,KAAKD,SACNC,KAAOR,KAAKM,KAAKnB,gCAAgCmB,KAAKF,eAEtDK,OAAST,KAAKM,KAAKnB,4BAA4BmB,KAAKF,gBAEjD,CACHL,UACAM,OAAOE,OAASF,OAAS,KACzBG,KAAKD,OAASC,KAAO,KACrBC,OAAOF,OAASE,OAAS,MAsBOC,CAAsBX,UAAWC,KAAME,MAAM,IAAKA,MAAM,GAAIA,MAAM,QAUtGZ,KAAO,SAASS,UAAWC,MACtBA,KAAKW,KAAK,gBACX7B,OAAO8B,GAAGb,UAAWhB,OAAOY,eAC5BK,KAAKW,KAAK,cAAc,QAGxBE,WAAa3B,OAAO4B,cAAcd,MAClCa,WAAWN,QACXrB,OAAOI,KAAKuB,aAShBE,KAAO,SAASf,UACZa,WAAa3B,OAAO4B,cAAcd,MAClCa,WAAWN,QACXrB,OAAO6B,KAAKF,aAuBhBG,YAAc,SAASC,UACvB7C,EAAEe,kBAAkBwB,KAAK,cAAeM,WAUxCC,uBAAyB,SAASnB,UAAWC,KAAMmB,eACnD9C,aAAaF,OAAO6B,KAAM,CAAC3B,aAAa+C,OAAOC,eAC3CC,WAAa,4BAEjBtB,KAAKuB,GAAGlD,aAAa+C,OAAOC,SAAUlC,kBAAkB,SAASqC,EAAGC,cAC5DC,QAAUtD,EAAEoD,EAAEG,QAAQC,QAAQzC,kBAC9Be,MAAQwB,QAAQf,KAAK,cACrBkB,WAAa,GAERC,EAAI,EAAGA,EAAIJ,QAAQ,GAAGG,WAAWtB,OAAQuB,IAC9CD,WAAWE,KAAKL,QAAQ,GAAGG,WAAWC,QAGtCE,gBAAkBH,WAAWI,QAAO,SAASC,eACzCC,KAAOD,UAAUE,gBACTd,WAAWe,KAAKF,SAGhCH,gBAAgBM,MAAK,SAASC,EAAGC,OACzBC,OAASnB,WAAWoB,KAAKH,EAAEH,UAC3BO,OAASrB,WAAWoB,KAAKF,EAAEJ,UAC3BQ,OAASH,OAAOlC,OAAS,EAAIkC,OAAO,GAAK,EACzCI,OAASF,OAAOpC,OAAS,EAAIoC,OAAO,GAAK,SAEzCC,OAASC,QACD,EACDA,OAASD,OACT,EAEA,SAIXE,OAASd,gBAAgBe,KAAI,SAASb,kBAC/BA,UAAUc,aAGjBC,YAAc,CAAClD,UAAWG,OAAOgD,OAAOJ,QAE5ChE,OAAO8B,GAAGuC,MAAM,KAAMF,aAEtBxB,KAAK2B,cAAcC,oBAGvBrD,KAAKuB,GAAGlD,aAAa+C,OAAOC,SAAUlC,uBAAuB,SAASqC,EAAGC,MACrE3C,OAAOwE,KAAKvD,WAEZ0B,KAAK2B,cAAcC,oBAKvBrD,KAAKuB,GAAG,mBAAoB,aAAa,SAASC,OAC1C+B,eAAiB,IAAItE,QACzBb,EAAEoD,EAAEG,QAAQ6B,IAAI,sBAAsB,WAClCD,eAAeE,gBAIvBzD,KAAKuB,GAAG,mBAAoB,aAAa,SAASC,OAC1C+B,eAAiB,IAAItE,QACzBb,EAAEoD,EAAEG,QAAQ6B,IAAI,qBAAqB,WACjCD,eAAeE,gBAIvBrF,EAAEe,kBAAkBuE,OAAM,eAClBC,WAAavF,EAAEe,4BAA4BmB,KAAK,iBAChDqD,WAAWpD,OACXoD,WAAWD,QAEXtF,EAAEe,4BAA4BmB,KAAKnB,uBAAuBuE,WAIlEtF,EAAEe,kBAAkBuE,OAAM,eAClBE,OAASxF,EAAEyF,MAAMlD,KAAK,eACtBiD,QACAxF,EAAE,IAAMwF,QAAQF,WAInBvC,gBACD7C,OAAOwF,UAAU9E,OAAO+E,MAAM,WAC1BzE,KAAKS,UAAWC,SAGpB1B,OAAOwF,UAAU9E,OAAOgF,MAAM,WAC1BjD,KAAKf,SAGT1B,OAAOwF,UAAU9E,OAAOiF,mBAAmB,SAAShD,WAnH5C,SAASjB,UACjBa,WAAa3B,OAAO4B,cAAcd,aAClCa,WAAWN,QACJrB,OAAOgF,UAAUrD,YAiHhBqD,CAAUlE,OAIVV,KAAKS,UAAWC,MAChBgB,YAAYC,UACZ7C,EAAEe,kBAAkBwB,KAAK,WAAY,KALrCI,KAAKf,MACL5B,EAAEe,kBAAkBwB,KAAK,YAAa,QASlDrC,OAAOwF,UAAU9E,OAAOmF,mBAAmB,SAASC,MAChDpD,YAAYoD,KAAKnD,UACjB3B,KAAKS,UAAWC,MAChBlB,OAAO8B,GAAGb,UAAWhB,OAAOU,kBAAmB2E,KAAKC,mBAGtCrE,KAAKM,KAAKnB,wBAChBoC,GAAGlD,aAAa+C,OAAOC,UAAU,WACzC/C,OAAOgG,QAAQtF,OAAOiF,sBAG1B3F,OAAOwF,UAAU9E,OAAOuF,+BAA+B,SAASH,MAC5DpD,YAAYoD,KAAKnD,UACjB3B,KAAKS,UAAWC,MAChBlB,OAAO8B,GAAGb,UAAWhB,OAAOU,kBAAmB,KAAM,SAAU2E,KAAKI,WAGxElG,OAAOwF,UAAU9E,OAAOyF,eAAe,WACnCnF,KAAKS,UAAWC,MAChBlB,OAAO8B,GAAGb,UAAWhB,OAAOc,kBAG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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_events.min.js b/message/amd/build/message_drawer_events.min.js
index 34134830412..1ed3ab92d61 100644
--- a/message/amd/build/message_drawer_events.min.js
+++ b/message/amd/build/message_drawer_events.min.js
@@ -1,2 +1,11 @@
-define ("core_message/message_drawer_events",[],function(){return{CREATE_CONVERSATION_WITH_USER:"message-drawer-create-conversation-with-user",CONTACT_BLOCKED:"message-drawer-contact-blocked",CONTACT_UNBLOCKED:"message-drawer-contact-unblocked",CONTACT_ADDED:"message-drawer-contact-added",CONTACT_REMOVED:"message-drawer-contact-removed",CONTACT_REQUEST_ACCEPTED:"message-drawer-contact-request-accepted",CONTACT_REQUEST_DECLINED:"message-drawer-contact-request-declined",CONVERSATION_CREATED:"message-drawer-conversation-created",CONVERSATION_NEW_LAST_MESSAGE:"message-drawer-conversation-new-last-message",CONVERSATION_DELETED:"message-drawer-conversation-deleted",CONVERSATION_READ:"message-drawer-conversation-read",CONVERSATION_SET_FAVOURITE:"message-drawer-conversation-set-favourite",CONVERSATION_SET_MUTED:"message-drawer-conversation-set-muted",CONVERSATION_UNSET_FAVOURITE:"message-drawer-conversation-unset-favourite",CONVERSATION_UNSET_MUTED:"message-drawer-conversation-unset-muted",PREFERENCES_UPDATED:"message-drawer-preferences-updated",ROUTE_CHANGED:"message-drawer-route-change",SHOW:"message-drawer-show",HIDE:"message-drawer-hide",TOGGLE_VISIBILITY:"message-drawer-toggle",SHOW_CONVERSATION:"message-drawer-show-conversation",SHOW_SETTINGS:"message-drawer-show-settings"}});
-//# sourceMappingURL=message_drawer_events.min.js.map
+/**
+ * Events for the message drawer.
+ *
+ * @module     core_message/message_drawer_events
+ * @package    message
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_events",[],(function(){return{CREATE_CONVERSATION_WITH_USER:"message-drawer-create-conversation-with-user",CONTACT_BLOCKED:"message-drawer-contact-blocked",CONTACT_UNBLOCKED:"message-drawer-contact-unblocked",CONTACT_ADDED:"message-drawer-contact-added",CONTACT_REMOVED:"message-drawer-contact-removed",CONTACT_REQUEST_ACCEPTED:"message-drawer-contact-request-accepted",CONTACT_REQUEST_DECLINED:"message-drawer-contact-request-declined",CONVERSATION_CREATED:"message-drawer-conversation-created",CONVERSATION_NEW_LAST_MESSAGE:"message-drawer-conversation-new-last-message",CONVERSATION_DELETED:"message-drawer-conversation-deleted",CONVERSATION_READ:"message-drawer-conversation-read",CONVERSATION_SET_FAVOURITE:"message-drawer-conversation-set-favourite",CONVERSATION_SET_MUTED:"message-drawer-conversation-set-muted",CONVERSATION_UNSET_FAVOURITE:"message-drawer-conversation-unset-favourite",CONVERSATION_UNSET_MUTED:"message-drawer-conversation-unset-muted",PREFERENCES_UPDATED:"message-drawer-preferences-updated",ROUTE_CHANGED:"message-drawer-route-change",SHOW:"message-drawer-show",HIDE:"message-drawer-hide",TOGGLE_VISIBILITY:"message-drawer-toggle",SHOW_CONVERSATION:"message-drawer-show-conversation",SHOW_SETTINGS:"message-drawer-show-settings"}}));
+
+//# sourceMappingURL=message_drawer_events.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_events.min.js.map b/message/amd/build/message_drawer_events.min.js.map
index b992eeb2bb0..4812427838e 100644
--- a/message/amd/build/message_drawer_events.min.js.map
+++ b/message/amd/build/message_drawer_events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_drawer_events.js"],"names":["define","CREATE_CONVERSATION_WITH_USER","CONTACT_BLOCKED","CONTACT_UNBLOCKED","CONTACT_ADDED","CONTACT_REMOVED","CONTACT_REQUEST_ACCEPTED","CONTACT_REQUEST_DECLINED","CONVERSATION_CREATED","CONVERSATION_NEW_LAST_MESSAGE","CONVERSATION_DELETED","CONVERSATION_READ","CONVERSATION_SET_FAVOURITE","CONVERSATION_SET_MUTED","CONVERSATION_UNSET_FAVOURITE","CONVERSATION_UNSET_MUTED","PREFERENCES_UPDATED","ROUTE_CHANGED","SHOW","HIDE","TOGGLE_VISIBILITY","SHOW_CONVERSATION","SHOW_SETTINGS"],"mappings":"AAuBAA,OAAM,sCAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,6BAA6B,CAAE,8CAD5B,CAEHC,eAAe,CAAE,gCAFd,CAGHC,iBAAiB,CAAE,kCAHhB,CAIHC,aAAa,CAAE,8BAJZ,CAKHC,eAAe,CAAE,gCALd,CAMHC,wBAAwB,CAAE,yCANvB,CAOHC,wBAAwB,CAAE,yCAPvB,CAQHC,oBAAoB,CAAE,qCARnB,CASHC,6BAA6B,CAAE,8CAT5B,CAUHC,oBAAoB,CAAE,qCAVnB,CAWHC,iBAAiB,CAAE,kCAXhB,CAYHC,0BAA0B,CAAE,2CAZzB,CAaHC,sBAAsB,CAAE,uCAbrB,CAcHC,4BAA4B,CAAE,6CAd3B,CAeHC,wBAAwB,CAAE,yCAfvB,CAgBHC,mBAAmB,CAAE,oCAhBlB,CAiBHC,aAAa,CAAE,6BAjBZ,CAkBHC,IAAI,CAAE,qBAlBH,CAmBHC,IAAI,CAAE,qBAnBH,CAoBHC,iBAAiB,CAAE,uBApBhB,CAqBHC,iBAAiB,CAAE,kCArBhB,CAsBHC,aAAa,CAAE,8BAtBZ,CAwBV,CAzBK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the message drawer.\n *\n * @module     core_message/message_drawer_events\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        CREATE_CONVERSATION_WITH_USER: 'message-drawer-create-conversation-with-user',\n        CONTACT_BLOCKED: 'message-drawer-contact-blocked',\n        CONTACT_UNBLOCKED: 'message-drawer-contact-unblocked',\n        CONTACT_ADDED: 'message-drawer-contact-added',\n        CONTACT_REMOVED: 'message-drawer-contact-removed',\n        CONTACT_REQUEST_ACCEPTED: 'message-drawer-contact-request-accepted',\n        CONTACT_REQUEST_DECLINED: 'message-drawer-contact-request-declined',\n        CONVERSATION_CREATED: 'message-drawer-conversation-created',\n        CONVERSATION_NEW_LAST_MESSAGE: 'message-drawer-conversation-new-last-message',\n        CONVERSATION_DELETED: 'message-drawer-conversation-deleted',\n        CONVERSATION_READ: 'message-drawer-conversation-read',\n        CONVERSATION_SET_FAVOURITE: 'message-drawer-conversation-set-favourite',\n        CONVERSATION_SET_MUTED: 'message-drawer-conversation-set-muted',\n        CONVERSATION_UNSET_FAVOURITE: 'message-drawer-conversation-unset-favourite',\n        CONVERSATION_UNSET_MUTED: 'message-drawer-conversation-unset-muted',\n        PREFERENCES_UPDATED: 'message-drawer-preferences-updated',\n        ROUTE_CHANGED: 'message-drawer-route-change',\n        SHOW: 'message-drawer-show',\n        HIDE: 'message-drawer-hide',\n        TOGGLE_VISIBILITY: 'message-drawer-toggle',\n        SHOW_CONVERSATION: 'message-drawer-show-conversation',\n        SHOW_SETTINGS: 'message-drawer-show-settings',\n    };\n});\n"],"file":"message_drawer_events.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_events.min.js","sources":["../src/message_drawer_events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the message drawer.\n *\n * @module     core_message/message_drawer_events\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        CREATE_CONVERSATION_WITH_USER: 'message-drawer-create-conversation-with-user',\n        CONTACT_BLOCKED: 'message-drawer-contact-blocked',\n        CONTACT_UNBLOCKED: 'message-drawer-contact-unblocked',\n        CONTACT_ADDED: 'message-drawer-contact-added',\n        CONTACT_REMOVED: 'message-drawer-contact-removed',\n        CONTACT_REQUEST_ACCEPTED: 'message-drawer-contact-request-accepted',\n        CONTACT_REQUEST_DECLINED: 'message-drawer-contact-request-declined',\n        CONVERSATION_CREATED: 'message-drawer-conversation-created',\n        CONVERSATION_NEW_LAST_MESSAGE: 'message-drawer-conversation-new-last-message',\n        CONVERSATION_DELETED: 'message-drawer-conversation-deleted',\n        CONVERSATION_READ: 'message-drawer-conversation-read',\n        CONVERSATION_SET_FAVOURITE: 'message-drawer-conversation-set-favourite',\n        CONVERSATION_SET_MUTED: 'message-drawer-conversation-set-muted',\n        CONVERSATION_UNSET_FAVOURITE: 'message-drawer-conversation-unset-favourite',\n        CONVERSATION_UNSET_MUTED: 'message-drawer-conversation-unset-muted',\n        PREFERENCES_UPDATED: 'message-drawer-preferences-updated',\n        ROUTE_CHANGED: 'message-drawer-route-change',\n        SHOW: 'message-drawer-show',\n        HIDE: 'message-drawer-hide',\n        TOGGLE_VISIBILITY: 'message-drawer-toggle',\n        SHOW_CONVERSATION: 'message-drawer-show-conversation',\n        SHOW_SETTINGS: 'message-drawer-show-settings',\n    };\n});\n"],"names":["define","CREATE_CONVERSATION_WITH_USER","CONTACT_BLOCKED","CONTACT_UNBLOCKED","CONTACT_ADDED","CONTACT_REMOVED","CONTACT_REQUEST_ACCEPTED","CONTACT_REQUEST_DECLINED","CONVERSATION_CREATED","CONVERSATION_NEW_LAST_MESSAGE","CONVERSATION_DELETED","CONVERSATION_READ","CONVERSATION_SET_FAVOURITE","CONVERSATION_SET_MUTED","CONVERSATION_UNSET_FAVOURITE","CONVERSATION_UNSET_MUTED","PREFERENCES_UPDATED","ROUTE_CHANGED","SHOW","HIDE","TOGGLE_VISIBILITY","SHOW_CONVERSATION","SHOW_SETTINGS"],"mappings":";;;;;;;;AAuBAA,4CAAO,IAAI,iBACA,CACHC,8BAA+B,+CAC/BC,gBAAiB,iCACjBC,kBAAmB,mCACnBC,cAAe,+BACfC,gBAAiB,iCACjBC,yBAA0B,0CAC1BC,yBAA0B,0CAC1BC,qBAAsB,sCACtBC,8BAA+B,+CAC/BC,qBAAsB,sCACtBC,kBAAmB,mCACnBC,2BAA4B,4CAC5BC,uBAAwB,wCACxBC,6BAA8B,8CAC9BC,yBAA0B,0CAC1BC,oBAAqB,qCACrBC,cAAe,8BACfC,KAAM,sBACNC,KAAM,sBACNC,kBAAmB,wBACnBC,kBAAmB,mCACnBC,cAAe"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_helper.min.js b/message/amd/build/message_drawer_helper.min.js
index ce288e5bdd1..47993501743 100644
--- a/message/amd/build/message_drawer_helper.min.js
+++ b/message/amd/build/message_drawer_helper.min.js
@@ -1,2 +1,11 @@
-define ("core_message/message_drawer_helper",["core/pubsub","core_message/message_drawer_events"],function(a,b){return{createConversationWithUser:function createConversationWithUser(c){a.publish(b.CREATE_CONVERSATION_WITH_USER,c)},hide:function hide(){a.publish(b.HIDE)},show:function show(){a.publish(b.SHOW)},showConversation:function showConversation(c){a.publish(b.SHOW_CONVERSATION,c)},showSettings:function showSettings(){a.publish(b.SHOW_SETTINGS)}}});
-//# sourceMappingURL=message_drawer_helper.min.js.map
+/**
+ * Provides some helper functions to trigger actions in the message drawer.
+ *
+ * @module     core_message/message_drawer_helper
+ * @package    message
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_helper",["core/pubsub","core_message/message_drawer_events"],(function(PubSub,MessageDrawerEvents){return{createConversationWithUser:function(args){PubSub.publish(MessageDrawerEvents.CREATE_CONVERSATION_WITH_USER,args)},hide:function(){PubSub.publish(MessageDrawerEvents.HIDE)},show:function(){PubSub.publish(MessageDrawerEvents.SHOW)},showConversation:function(args){PubSub.publish(MessageDrawerEvents.SHOW_CONVERSATION,args)},showSettings:function(){PubSub.publish(MessageDrawerEvents.SHOW_SETTINGS)}}}));
+
+//# sourceMappingURL=message_drawer_helper.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_helper.min.js.map b/message/amd/build/message_drawer_helper.min.js.map
index b675cf58077..fb2d47ccb77 100644
--- a/message/amd/build/message_drawer_helper.min.js.map
+++ b/message/amd/build/message_drawer_helper.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_drawer_helper.js"],"names":["define","PubSub","MessageDrawerEvents","createConversationWithUser","args","publish","CREATE_CONVERSATION_WITH_USER","hide","HIDE","show","SHOW","showConversation","SHOW_CONVERSATION","showSettings","SHOW_SETTINGS"],"mappings":"AAuBAA,OAAM,sCACN,CACI,aADJ,CAEI,oCAFJ,CADM,CAKN,SACIC,CADJ,CAEIC,CAFJ,CAGE,CAyCE,MAAO,CACHC,0BAA0B,CAnCG,QAA7BA,CAAAA,0BAA6B,CAASC,CAAT,CAAe,CAC5CH,CAAM,CAACI,OAAP,CAAeH,CAAmB,CAACI,6BAAnC,CAAkEF,CAAlE,CACH,CAgCM,CAEHG,IAAI,CA7BG,QAAPA,CAAAA,IAAO,EAAW,CAClBN,CAAM,CAACI,OAAP,CAAeH,CAAmB,CAACM,IAAnC,CACH,CAyBM,CAGHC,IAAI,CAvBG,QAAPA,CAAAA,IAAO,EAAW,CAClBR,CAAM,CAACI,OAAP,CAAeH,CAAmB,CAACQ,IAAnC,CACH,CAkBM,CAIHC,gBAAgB,CAfG,QAAnBA,CAAAA,gBAAmB,CAASP,CAAT,CAAe,CAClCH,CAAM,CAACI,OAAP,CAAeH,CAAmB,CAACU,iBAAnC,CAAsDR,CAAtD,CACH,CASM,CAKHS,YAAY,CATG,QAAfA,CAAAA,YAAe,EAAW,CAC1BZ,CAAM,CAACI,OAAP,CAAeH,CAAmB,CAACY,aAAnC,CACH,CAEM,CAOV,CAxDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provides some helper functions to trigger actions in the message drawer.\n *\n * @module     core_message/message_drawer_helper\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'core/pubsub',\n    'core_message/message_drawer_events'\n],\nfunction(\n    PubSub,\n    MessageDrawerEvents\n) {\n\n    /**\n     * Trigger an event to create a new conversation in the message drawer.\n     *\n     * @param {Number} userId The user id to start a conversation.\n     */\n    var createConversationWithUser = function(args) {\n        PubSub.publish(MessageDrawerEvents.CREATE_CONVERSATION_WITH_USER, args);\n    };\n\n    /**\n     * Trigger an event to hide the message drawer.\n     */\n    var hide = function() {\n        PubSub.publish(MessageDrawerEvents.HIDE);\n    };\n\n    /**\n     * Trigger an event to show the message drawer.\n     */\n    var show = function() {\n        PubSub.publish(MessageDrawerEvents.SHOW);\n    };\n\n    /**\n     * Trigger an event to show the given conversation.\n     *\n     * @param {int} conversationId Id for the conversation to show.\n     */\n    var showConversation = function(args) {\n        PubSub.publish(MessageDrawerEvents.SHOW_CONVERSATION, args);\n    };\n\n    /**\n     * Trigger an event to show messaging settings.\n     */\n    var showSettings = function() {\n        PubSub.publish(MessageDrawerEvents.SHOW_SETTINGS);\n    };\n\n    return {\n        createConversationWithUser: createConversationWithUser,\n        hide: hide,\n        show: show,\n        showConversation: showConversation,\n        showSettings: showSettings\n    };\n});\n"],"file":"message_drawer_helper.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_helper.min.js","sources":["../src/message_drawer_helper.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provides some helper functions to trigger actions in the message drawer.\n *\n * @module     core_message/message_drawer_helper\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'core/pubsub',\n    'core_message/message_drawer_events'\n],\nfunction(\n    PubSub,\n    MessageDrawerEvents\n) {\n\n    /**\n     * Trigger an event to create a new conversation in the message drawer.\n     *\n     * @param {Number} userId The user id to start a conversation.\n     */\n    var createConversationWithUser = function(args) {\n        PubSub.publish(MessageDrawerEvents.CREATE_CONVERSATION_WITH_USER, args);\n    };\n\n    /**\n     * Trigger an event to hide the message drawer.\n     */\n    var hide = function() {\n        PubSub.publish(MessageDrawerEvents.HIDE);\n    };\n\n    /**\n     * Trigger an event to show the message drawer.\n     */\n    var show = function() {\n        PubSub.publish(MessageDrawerEvents.SHOW);\n    };\n\n    /**\n     * Trigger an event to show the given conversation.\n     *\n     * @param {int} conversationId Id for the conversation to show.\n     */\n    var showConversation = function(args) {\n        PubSub.publish(MessageDrawerEvents.SHOW_CONVERSATION, args);\n    };\n\n    /**\n     * Trigger an event to show messaging settings.\n     */\n    var showSettings = function() {\n        PubSub.publish(MessageDrawerEvents.SHOW_SETTINGS);\n    };\n\n    return {\n        createConversationWithUser: createConversationWithUser,\n        hide: hide,\n        show: show,\n        showConversation: showConversation,\n        showSettings: showSettings\n    };\n});\n"],"names":["define","PubSub","MessageDrawerEvents","createConversationWithUser","args","publish","CREATE_CONVERSATION_WITH_USER","hide","HIDE","show","SHOW","showConversation","SHOW_CONVERSATION","showSettings","SHOW_SETTINGS"],"mappings":";;;;;;;;AAuBAA,4CACA,CACI,cACA,uCAEJ,SACIC,OACAC,2BA0CO,CACHC,2BAnC6B,SAASC,MACtCH,OAAOI,QAAQH,oBAAoBI,8BAA+BF,OAmClEG,KA7BO,WACPN,OAAOI,QAAQH,oBAAoBM,OA6BnCC,KAvBO,WACPR,OAAOI,QAAQH,oBAAoBQ,OAuBnCC,iBAfmB,SAASP,MAC5BH,OAAOI,QAAQH,oBAAoBU,kBAAmBR,OAetDS,aATe,WACfZ,OAAOI,QAAQH,oBAAoBY"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_lazy_load_list.min.js b/message/amd/build/message_drawer_lazy_load_list.min.js
index 8af02b7c6b9..6ba945c076b 100644
--- a/message/amd/build/message_drawer_lazy_load_list.min.js
+++ b/message/amd/build/message_drawer_lazy_load_list.min.js
@@ -1,2 +1,11 @@
-define ("core_message/message_drawer_lazy_load_list",["jquery","core/custom_interaction_events"],function(a,b){var c={ROOT:"[data-region=\"lazy-load-list\"]",LOADING_ICON_CONTAINER:"[data-region=\"loading-icon-container\"]",CONTENT_CONTAINER:"[data-region=\"content-container\"]",EMPTY_MESSAGE:"[data-region=\"empty-message-container\"]",PLACEHOLDER:"[data-region=\"placeholder-container\"]"},d=function(a){a.attr("data-loading",!0)},e=function(a){a.attr("data-loading",!1)},f=function(a){return"true"===a.attr("data-loading")},g=function(a){return a.attr("data-user-id")},h=function(a){return a.find(c.CONTENT_CONTAINER)},i=function(a){a.find(c.LOADING_ICON_CONTAINER).removeClass("hidden")},j=function(a){a.find(c.LOADING_ICON_CONTAINER).addClass("hidden")},k=function(a){a.find(c.EMPTY_MESSAGE).removeClass("hidden")},l=function(a){a.find(c.PLACEHOLDER).removeClass("hidden")},m=function(a){a.find(c.PLACEHOLDER).addClass("hidden")},n=function(a){h(a).removeClass("hidden")},o=function(a){h(a).addClass("hidden")},p=function(a){return"true"==a.attr("data-loaded-all")},q=function(a,b){a.attr("data-loaded-all",b)},r=function(a){return!p(a)&&!f(a)},s=function(a,b,c){var f=g(a);d(a);return b(a,f).then(function(b){if(0<b.length){var d=h(a);return c(d,b,f).then(function(){return b})}else{return b}}).then(function(b){e(a);a.attr("data-seen",!0);if(!b.length){q(a,!0)}return b}).catch(function(){e(a);a.attr("data-seen",!0)})},t=function(a,b,c){h(a).empty();l(a);o(a);return s(a,b,c).then(function(b){m(a);if(!b.length){k(a)}else{n(a)}}).catch(function(){m(a);n(a)})},u=function(a,c,d){b.define(a,[b.events.scrollBottom]);a.on(b.events.scrollBottom,function(){if(r(a)){i(a);s(a,c,d).then(function(){return j(a)}).catch(function(){return j(a)})}})};return{show:function show(b,c,d){b=a(b);if(!b.attr("data-init")){u(b,c,d);t(b,c,d);b.attr("data-init",!0)}},getContentContainer:h,getRoot:function getRoot(a){return a.find(c.ROOT)},setLoadedAll:q,showEmptyMessage:k,hideEmptyMessage:function hideEmptyMessage(a){a.find(c.EMPTY_MESSAGE).addClass("hidden")},showContent:n,hideContent:o}});
-//# sourceMappingURL=message_drawer_lazy_load_list.min.js.map
+/**
+ * Lazy loaded list of items.
+ *
+ * @module     core_message/message_drawer_lazy_load_list
+ * @package    message
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_lazy_load_list",["jquery","core/custom_interaction_events"],(function($,CustomEvents){var SELECTORS_ROOT='[data-region="lazy-load-list"]',SELECTORS_LOADING_ICON_CONTAINER='[data-region="loading-icon-container"]',SELECTORS_CONTENT_CONTAINER='[data-region="content-container"]',SELECTORS_EMPTY_MESSAGE='[data-region="empty-message-container"]',SELECTORS_PLACEHOLDER='[data-region="placeholder-container"]',stopLoading=function(root){root.attr("data-loading",!1)},getContentContainer=function(root){return root.find(SELECTORS_CONTENT_CONTAINER)},hideLoadingIcon=function(root){root.find(SELECTORS_LOADING_ICON_CONTAINER).addClass("hidden")},showEmptyMessage=function(root){root.find(SELECTORS_EMPTY_MESSAGE).removeClass("hidden")},hidePlaceholder=function(root){root.find(SELECTORS_PLACEHOLDER).addClass("hidden")},showContent=function(root){getContentContainer(root).removeClass("hidden")},hideContent=function(root){getContentContainer(root).addClass("hidden")},setLoadedAll=function(root,value){root.attr("data-loaded-all",value)},loadAndRender=function(root,loadCallback,renderCallback){var userId=function(root){return root.attr("data-user-id")}(root);return function(root){root.attr("data-loading",!0)}(root),loadCallback(root,userId).then((function(items){if(items.length>0){var contentContainer=getContentContainer(root);return renderCallback(contentContainer,items,userId).then((function(){return items}))}return items})).then((function(items){return stopLoading(root),root.attr("data-seen",!0),items.length||setLoadedAll(root,!0),items})).catch((function(){stopLoading(root),root.attr("data-seen",!0)}))},initialLoadAndRender=function(root,loadCallback,renderCallback){return getContentContainer(root).empty(),function(root){root.find(SELECTORS_PLACEHOLDER).removeClass("hidden")}(root),hideContent(root),loadAndRender(root,loadCallback,renderCallback).then((function(items){hidePlaceholder(root),items.length?showContent(root):showEmptyMessage(root)})).catch((function(){hidePlaceholder(root),showContent(root)}))},registerEventListeners=function(root,loadCallback,renderCallback){CustomEvents.define(root,[CustomEvents.events.scrollBottom]),root.on(CustomEvents.events.scrollBottom,(function(){(function(root){return!function(root){return"true"==root.attr("data-loaded-all")}(root)&&!function(root){return"true"===root.attr("data-loading")}(root)})(root)&&(!function(root){root.find(SELECTORS_LOADING_ICON_CONTAINER).removeClass("hidden")}(root),loadAndRender(root,loadCallback,renderCallback).then((function(){return hideLoadingIcon(root)})).catch((function(){return hideLoadingIcon(root)})))}))};return{show:function(root,loadCallback,renderCallback){(root=$(root)).attr("data-init")||(registerEventListeners(root,loadCallback,renderCallback),initialLoadAndRender(root,loadCallback,renderCallback),root.attr("data-init",!0))},getContentContainer:getContentContainer,getRoot:function(containerElement){return containerElement.find(SELECTORS_ROOT)},setLoadedAll:setLoadedAll,showEmptyMessage:showEmptyMessage,hideEmptyMessage:function(root){root.find(SELECTORS_EMPTY_MESSAGE).addClass("hidden")},showContent:showContent,hideContent:hideContent}}));
+
+//# sourceMappingURL=message_drawer_lazy_load_list.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_lazy_load_list.min.js.map b/message/amd/build/message_drawer_lazy_load_list.min.js.map
index 890a81911ff..31080d332a8 100644
--- a/message/amd/build/message_drawer_lazy_load_list.min.js.map
+++ b/message/amd/build/message_drawer_lazy_load_list.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Lazy loaded list of items.\n *\n * @module     core_message/message_drawer_lazy_load_list\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events'\n],\nfunction(\n    $,\n    CustomEvents\n) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"lazy-load-list\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n        CONTENT_CONTAINER: '[data-region=\"content-container\"]',\n        EMPTY_MESSAGE: '[data-region=\"empty-message-container\"]',\n        PLACEHOLDER: '[data-region=\"placeholder-container\"]'\n    };\n\n    /**\n     * Flag element as loading.\n     *\n     * @param {Object} root The section container element.\n     */\n    var startLoading = function(root) {\n        root.attr('data-loading', true);\n    };\n\n    /**\n     * Flag element as not loading.\n     *\n     * @param {Object} root The section container element.\n     */\n    var stopLoading = function(root) {\n        root.attr('data-loading', false);\n    };\n\n    /**\n     * Check if the element is loading.\n     *\n     * @param {Object} root The section container element.\n     * @return {Bool}\n     */\n    var isLoading = function(root) {\n        return root.attr('data-loading') === 'true';\n    };\n\n    /**\n     * Get user id\n     *\n     * @param  {Object} root The section container element.\n     * @return {Number} Logged in user id.\n     */\n    var getUserId = function(root) {\n        return root.attr('data-user-id');\n    };\n\n    /**\n     * Get the section content container element.\n     *\n     * @param  {Object} root The section container element.\n     * @return {Object} The section content container element.\n     */\n    var getContentContainer = function(root) {\n        return root.find(SELECTORS.CONTENT_CONTAINER);\n    };\n\n    /**\n     * Get the root element.\n     *\n     * @param  {Object} containerElement The container element to search in.\n     * @return {Object} The list root element.\n     */\n    var getRoot = function(containerElement) {\n        return containerElement.find(SELECTORS.ROOT);\n    };\n\n    /**\n     * Show the loading icon.\n     *\n     * @param {Object} root The section container element.\n     */\n    var showLoadingIcon = function(root) {\n        root.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading icon.\n     *\n     * @param {Object} root The section container element.\n     */\n    var hideLoadingIcon = function(root) {\n        root.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the empty message.\n     *\n     * @param {Object} root The section container element.\n     */\n    var showEmptyMessage = function(root) {\n        root.find(SELECTORS.EMPTY_MESSAGE).removeClass('hidden');\n    };\n\n    /**\n     * Hide the empty message.\n     *\n     * @param {Object} root The section container element.\n     */\n    var hideEmptyMessage = function(root) {\n        root.find(SELECTORS.EMPTY_MESSAGE).addClass('hidden');\n    };\n\n    /**\n     * Show the placeholder element.\n     *\n     * @param {Object} root The section container element.\n     */\n    var showPlaceholder = function(root) {\n        root.find(SELECTORS.PLACEHOLDER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the placeholder element.\n     *\n     * @param {Object} root The section container element.\n     */\n    var hidePlaceholder = function(root) {\n        root.find(SELECTORS.PLACEHOLDER).addClass('hidden');\n    };\n\n    /**\n     * Show the section content container.\n     *\n     * @param {Object} root The section container element.\n     */\n    var showContent = function(root) {\n        getContentContainer(root).removeClass('hidden');\n    };\n\n    /**\n     * Hide the section content container.\n     *\n     * @param {Object} root The section container element.\n     */\n    var hideContent = function(root) {\n        getContentContainer(root).addClass('hidden');\n    };\n\n    /**\n     * If the section has loaded all content.\n     *\n     * @param {Object} root The section container element.\n     * @return {Bool}\n     */\n    var hasLoadedAll = function(root) {\n        return root.attr('data-loaded-all') == 'true';\n    };\n\n    /**\n     * If the section has loaded all content.\n     *\n     * @param {Object} root The section container element.\n     * @param {Bool} value If all items have been loaded.\n     */\n    var setLoadedAll = function(root, value) {\n        root.attr('data-loaded-all', value);\n    };\n\n    /**\n     * If the section can load more items.\n     *\n     * @param {Object} root The section container element.\n     * @return {Bool}\n     */\n    var canLoadMore = function(root) {\n        return !hasLoadedAll(root) && !isLoading(root);\n    };\n\n    /**\n     * Load all items in this container from callback and render them.\n     *\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Function} renderCallback The callback to render the results.\n     * @return {Object} jQuery promise\n     */\n    var loadAndRender = function(root, loadCallback, renderCallback) {\n        var userId = getUserId(root);\n        startLoading(root);\n\n        return loadCallback(root, userId)\n            .then(function(items) {\n                if (items.length > 0) {\n                    var contentContainer = getContentContainer(root);\n                    return renderCallback(contentContainer, items, userId)\n                        .then(function() {\n                            return items;\n                        });\n                } else {\n                    return items;\n                }\n            })\n            .then(function(items) {\n                stopLoading(root);\n                root.attr('data-seen', true);\n\n                if (!items.length) {\n                    setLoadedAll(root, true);\n                }\n\n                return items;\n            })\n            .catch(function() {\n                stopLoading(root);\n                root.attr('data-seen', true);\n                return;\n            });\n    };\n\n    /**\n     * First load of this section.\n     *\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Function} renderCallback The callback to render the results.\n     * @return {Object} promise\n     */\n    var initialLoadAndRender = function(root, loadCallback, renderCallback) {\n        getContentContainer(root).empty();\n        showPlaceholder(root);\n        hideContent(root);\n        return loadAndRender(root, loadCallback, renderCallback)\n            .then(function(items) {\n                hidePlaceholder(root);\n\n                if (!items.length) {\n                    showEmptyMessage(root);\n                } else {\n                    showContent(root);\n                }\n\n                return;\n            })\n            .catch(function() {\n                hidePlaceholder(root);\n                showContent(root);\n                return;\n            });\n    };\n\n    /**\n     * Listen to, and handle events in this section.\n     *\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Function} renderCallback The callback to render the results.\n     */\n    var registerEventListeners = function(root, loadCallback, renderCallback) {\n        CustomEvents.define(root, [\n            CustomEvents.events.scrollBottom\n        ]);\n\n        root.on(CustomEvents.events.scrollBottom, function() {\n            if (canLoadMore(root)) {\n                showLoadingIcon(root);\n                loadAndRender(root, loadCallback, renderCallback)\n                    .then(function() {\n                        return hideLoadingIcon(root);\n                    })\n                    .catch(function() {\n                        return hideLoadingIcon(root);\n                    });\n            }\n        });\n    };\n\n    /**\n     * Setup the section.\n     *\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Function} renderCallback The callback to render the results.\n     */\n    var show = function(root, loadCallback, renderCallback) {\n        root = $(root);\n\n        if (!root.attr('data-init')) {\n            registerEventListeners(root, loadCallback, renderCallback);\n            initialLoadAndRender(root, loadCallback, renderCallback);\n            root.attr('data-init', true);\n        }\n    };\n\n    return {\n        show: show,\n        getContentContainer: getContentContainer,\n        getRoot: getRoot,\n        setLoadedAll: setLoadedAll,\n        showEmptyMessage: showEmptyMessage,\n        hideEmptyMessage: hideEmptyMessage,\n        showContent: showContent,\n        hideContent: hideContent\n    };\n});\n"],"file":"message_drawer_lazy_load_list.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_lazy_load_list.min.js","sources":["../src/message_drawer_lazy_load_list.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Lazy loaded list of items.\n *\n * @module     core_message/message_drawer_lazy_load_list\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events'\n],\nfunction(\n    $,\n    CustomEvents\n) {\n\n    var SELECTORS = {\n        ROOT: '[data-region=\"lazy-load-list\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n        CONTENT_CONTAINER: '[data-region=\"content-container\"]',\n        EMPTY_MESSAGE: '[data-region=\"empty-message-container\"]',\n        PLACEHOLDER: '[data-region=\"placeholder-container\"]'\n    };\n\n    /**\n     * Flag element as loading.\n     *\n     * @param {Object} root The section container element.\n     */\n    var startLoading = function(root) {\n        root.attr('data-loading', true);\n    };\n\n    /**\n     * Flag element as not loading.\n     *\n     * @param {Object} root The section container element.\n     */\n    var stopLoading = function(root) {\n        root.attr('data-loading', false);\n    };\n\n    /**\n     * Check if the element is loading.\n     *\n     * @param {Object} root The section container element.\n     * @return {Bool}\n     */\n    var isLoading = function(root) {\n        return root.attr('data-loading') === 'true';\n    };\n\n    /**\n     * Get user id\n     *\n     * @param  {Object} root The section container element.\n     * @return {Number} Logged in user id.\n     */\n    var getUserId = function(root) {\n        return root.attr('data-user-id');\n    };\n\n    /**\n     * Get the section content container element.\n     *\n     * @param  {Object} root The section container element.\n     * @return {Object} The section content container element.\n     */\n    var getContentContainer = function(root) {\n        return root.find(SELECTORS.CONTENT_CONTAINER);\n    };\n\n    /**\n     * Get the root element.\n     *\n     * @param  {Object} containerElement The container element to search in.\n     * @return {Object} The list root element.\n     */\n    var getRoot = function(containerElement) {\n        return containerElement.find(SELECTORS.ROOT);\n    };\n\n    /**\n     * Show the loading icon.\n     *\n     * @param {Object} root The section container element.\n     */\n    var showLoadingIcon = function(root) {\n        root.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading icon.\n     *\n     * @param {Object} root The section container element.\n     */\n    var hideLoadingIcon = function(root) {\n        root.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the empty message.\n     *\n     * @param {Object} root The section container element.\n     */\n    var showEmptyMessage = function(root) {\n        root.find(SELECTORS.EMPTY_MESSAGE).removeClass('hidden');\n    };\n\n    /**\n     * Hide the empty message.\n     *\n     * @param {Object} root The section container element.\n     */\n    var hideEmptyMessage = function(root) {\n        root.find(SELECTORS.EMPTY_MESSAGE).addClass('hidden');\n    };\n\n    /**\n     * Show the placeholder element.\n     *\n     * @param {Object} root The section container element.\n     */\n    var showPlaceholder = function(root) {\n        root.find(SELECTORS.PLACEHOLDER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the placeholder element.\n     *\n     * @param {Object} root The section container element.\n     */\n    var hidePlaceholder = function(root) {\n        root.find(SELECTORS.PLACEHOLDER).addClass('hidden');\n    };\n\n    /**\n     * Show the section content container.\n     *\n     * @param {Object} root The section container element.\n     */\n    var showContent = function(root) {\n        getContentContainer(root).removeClass('hidden');\n    };\n\n    /**\n     * Hide the section content container.\n     *\n     * @param {Object} root The section container element.\n     */\n    var hideContent = function(root) {\n        getContentContainer(root).addClass('hidden');\n    };\n\n    /**\n     * If the section has loaded all content.\n     *\n     * @param {Object} root The section container element.\n     * @return {Bool}\n     */\n    var hasLoadedAll = function(root) {\n        return root.attr('data-loaded-all') == 'true';\n    };\n\n    /**\n     * If the section has loaded all content.\n     *\n     * @param {Object} root The section container element.\n     * @param {Bool} value If all items have been loaded.\n     */\n    var setLoadedAll = function(root, value) {\n        root.attr('data-loaded-all', value);\n    };\n\n    /**\n     * If the section can load more items.\n     *\n     * @param {Object} root The section container element.\n     * @return {Bool}\n     */\n    var canLoadMore = function(root) {\n        return !hasLoadedAll(root) && !isLoading(root);\n    };\n\n    /**\n     * Load all items in this container from callback and render them.\n     *\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Function} renderCallback The callback to render the results.\n     * @return {Object} jQuery promise\n     */\n    var loadAndRender = function(root, loadCallback, renderCallback) {\n        var userId = getUserId(root);\n        startLoading(root);\n\n        return loadCallback(root, userId)\n            .then(function(items) {\n                if (items.length > 0) {\n                    var contentContainer = getContentContainer(root);\n                    return renderCallback(contentContainer, items, userId)\n                        .then(function() {\n                            return items;\n                        });\n                } else {\n                    return items;\n                }\n            })\n            .then(function(items) {\n                stopLoading(root);\n                root.attr('data-seen', true);\n\n                if (!items.length) {\n                    setLoadedAll(root, true);\n                }\n\n                return items;\n            })\n            .catch(function() {\n                stopLoading(root);\n                root.attr('data-seen', true);\n                return;\n            });\n    };\n\n    /**\n     * First load of this section.\n     *\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Function} renderCallback The callback to render the results.\n     * @return {Object} promise\n     */\n    var initialLoadAndRender = function(root, loadCallback, renderCallback) {\n        getContentContainer(root).empty();\n        showPlaceholder(root);\n        hideContent(root);\n        return loadAndRender(root, loadCallback, renderCallback)\n            .then(function(items) {\n                hidePlaceholder(root);\n\n                if (!items.length) {\n                    showEmptyMessage(root);\n                } else {\n                    showContent(root);\n                }\n\n                return;\n            })\n            .catch(function() {\n                hidePlaceholder(root);\n                showContent(root);\n                return;\n            });\n    };\n\n    /**\n     * Listen to, and handle events in this section.\n     *\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Function} renderCallback The callback to render the results.\n     */\n    var registerEventListeners = function(root, loadCallback, renderCallback) {\n        CustomEvents.define(root, [\n            CustomEvents.events.scrollBottom\n        ]);\n\n        root.on(CustomEvents.events.scrollBottom, function() {\n            if (canLoadMore(root)) {\n                showLoadingIcon(root);\n                loadAndRender(root, loadCallback, renderCallback)\n                    .then(function() {\n                        return hideLoadingIcon(root);\n                    })\n                    .catch(function() {\n                        return hideLoadingIcon(root);\n                    });\n            }\n        });\n    };\n\n    /**\n     * Setup the section.\n     *\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Function} renderCallback The callback to render the results.\n     */\n    var show = function(root, loadCallback, renderCallback) {\n        root = $(root);\n\n        if (!root.attr('data-init')) {\n            registerEventListeners(root, loadCallback, renderCallback);\n            initialLoadAndRender(root, loadCallback, renderCallback);\n            root.attr('data-init', true);\n        }\n    };\n\n    return {\n        show: show,\n        getContentContainer: getContentContainer,\n        getRoot: getRoot,\n        setLoadedAll: setLoadedAll,\n        showEmptyMessage: showEmptyMessage,\n        hideEmptyMessage: hideEmptyMessage,\n        showContent: showContent,\n        hideContent: hideContent\n    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diff --git a/message/amd/build/message_drawer_router.min.js b/message/amd/build/message_drawer_router.min.js
index bfde9876cfe..605a5ba6ba4 100644
--- a/message/amd/build/message_drawer_router.min.js
+++ b/message/amd/build/message_drawer_router.min.js
@@ -1,2 +1,14 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core_message/message_drawer_router",["jquery","core/pubsub","core/str","core_message/message_drawer_events"],function(a,b,c,d){var e={},f={},g={CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]",ROUTES_BACK:"[data-route-back]"},h=function(c,f){var h,j=[].slice.call(arguments).some(function(a){return"frompanel"==a}),k=[].slice.call(arguments,2),l=a.Deferred().resolve().promise();Object.keys(e[c]).forEach(function(a){var b=e[c][a],d=a===f;if(d){h=b}b.parameters.forEach(function(a){if("object"!==_typeof(a)||null===a){return}a.removeClass("previous");a.attr("data-from-panel",!1);if(d){if(j){a.attr("data-from-panel",!0)}a.removeClass("hidden");a.attr("aria-hidden",!1)}else{if(!a.attr("data-in-panel")){a.addClass("hidden");a.attr("aria-hidden",!0)}else if("view-search"==f||"view-overview"==f){a.addClass("hidden");a.attr("aria-hidden",!0)}}})});if(h){if(h.onGo){l=h.onGo.apply(void 0,h.parameters.concat(k));for(var m=a(document.activeElement),n=!1,o=null,p=1,q;p<h.parameters.length;p++){q=h.parameters[p];if("object"!==_typeof(q)||null===q){continue}if(!o){o=q}if(q.has(m).length){n=!0;break}}if(!n){o.find(g.CAN_RECEIVE_FOCUS).filter(":visible").first().focus()}}}var r={route:f,params:k,renderPromise:l};b.publish(d.ROUTE_CHANGED,r);return r},i=function(b){var d=a(document.activeElement),j=h.apply(b,arguments),k=!1;if(!f[b]){f[b]=[]}f[b]=f[b].reduce(function(a,b){if(b.route===j.route){k=!0}if(!k){a.push(b)}return a},[]);var l=f[b].length,m=l?f[b][l-1]:null;if(m){for(var n=e[b][m.route],o=n.parameters,p=1;p<o.length;p++){if("object"!==_typeof(o[p])||null===o[p]){continue}o[p].addClass("previous")}m.focusElement=d;if(n.getDescription){n.getDescription.apply(null,n.parameters.concat(m.params)).then(function(a){return c.get_string("backto","core_message",a)}).then(function(a){return j.renderPromise.then(function(){e[b][j.route].parameters.forEach(function(b){if("object"!==_typeof(b)||!b){return}b.find(g.ROUTES_BACK).attr("aria-label",a)})})}).catch(function(){})}}f[b].push(j);return j};return{add:function add(a,b,c,d,f){if(!e[a]){e[a]=[]}e[a][b]={parameters:c,onGo:d,getDescription:f}},go:i,back:function back(a){if(f[a].length){f[a].pop();var b=f[a].pop();if(b){i.apply(void 0,[a,b.route].concat(b.params));window.setTimeout(function(){b.focusElement.focus()},50)}}}}});
-//# sourceMappingURL=message_drawer_router.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * A simple router for the message drawer that allows navigating between
+ * the "pages" in the drawer.
+ *
+ * This module will maintain a linear history of the unique pages access
+ * to allow navigating back.
+ *
+ * @module     core_message/message_drawer_router
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */}define("core_message/message_drawer_router",["jquery","core/pubsub","core/str","core_message/message_drawer_events"],(function($,PubSub,Str,MessageDrawerEvents){var routes={},history={},SELECTORS_CAN_RECEIVE_FOCUS='input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]',SELECTORS_ROUTES_BACK="[data-route-back]",changeRoute=function(namespace,newRoute){var newConfig,fromPanel=[].slice.call(arguments).some((function(arg){return"frompanel"==arg})),args=[].slice.call(arguments,2),renderPromise=$.Deferred().resolve().promise();if(Object.keys(routes[namespace]).forEach((function(route){var config=routes[namespace][route],isMatch=route===newRoute;isMatch&&(newConfig=config),config.parameters.forEach((function(element){"object"===_typeof(element)&&null!==element&&(element.removeClass("previous"),element.attr("data-from-panel",!1),isMatch?(fromPanel&&element.attr("data-from-panel",!0),element.removeClass("hidden"),element.attr("aria-hidden",!1)):element.attr("data-in-panel")&&"view-search"!=newRoute&&"view-overview"!=newRoute||(element.addClass("hidden"),element.attr("aria-hidden",!0)))}))})),newConfig&&newConfig.onGo){renderPromise=newConfig.onGo.apply(void 0,newConfig.parameters.concat(args));for(var currentFocusElement=$(document.activeElement),hasFocus=!1,firstFocusable=null,i=1;i<newConfig.parameters.length;i++){var element=newConfig.parameters[i];if("object"===_typeof(element)&&null!==element&&(firstFocusable||(firstFocusable=element),element.has(currentFocusElement).length)){hasFocus=!0;break}}hasFocus||firstFocusable.find(SELECTORS_CAN_RECEIVE_FOCUS).filter(":visible").first().focus()}var record={route:newRoute,params:args,renderPromise:renderPromise};return PubSub.publish(MessageDrawerEvents.ROUTE_CHANGED,record),record},go=function(namespace){var currentFocusElement=$(document.activeElement),record=changeRoute.apply(namespace,arguments),inHistory=!1;history[namespace]||(history[namespace]=[]),history[namespace]=history[namespace].reduce((function(carry,previous){return previous.route===record.route&&(inHistory=!0),inHistory||carry.push(previous),carry}),[]);var historylength=history[namespace].length,previousRecord=historylength?history[namespace][historylength-1]:null;if(previousRecord){for(var prevConfig=routes[namespace][previousRecord.route],elements=prevConfig.parameters,i=1;i<elements.length;i++)"object"===_typeof(elements[i])&&null!==elements[i]&&elements[i].addClass("previous");previousRecord.focusElement=currentFocusElement,prevConfig.getDescription&&prevConfig.getDescription.apply(null,prevConfig.parameters.concat(previousRecord.params)).then((function(description){return Str.get_string("backto","core_message",description)})).then((function(label){return record.renderPromise.then((function(){routes[namespace][record.route].parameters.forEach((function(element){"object"===_typeof(element)&&element&&element.find(SELECTORS_ROUTES_BACK).attr("aria-label",label)}))}))})).catch((function(){}))}return history[namespace].push(record),record};return{add:function(namespace,route,parameters,onGo,getDescription){routes[namespace]||(routes[namespace]=[]),routes[namespace][route]={parameters:parameters,onGo:onGo,getDescription:getDescription}},go:go,back:function(namespace){if(history[namespace].length){history[namespace].pop();var previous=history[namespace].pop();previous&&(go.apply(void 0,[namespace,previous.route].concat(previous.params)),window.setTimeout((function(){previous.focusElement.focus()}),50))}}}}));
+
+//# sourceMappingURL=message_drawer_router.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_router.min.js.map b/message/amd/build/message_drawer_router.min.js.map
index a40a096fb30..958a43fabe4 100644
--- a/message/amd/build/message_drawer_router.min.js.map
+++ b/message/amd/build/message_drawer_router.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A simple router for the message drawer that allows navigating between\n * the \"pages\" in the drawer.\n *\n * This module will maintain a linear history of the unique pages access\n * to allow navigating back.\n *\n * @module     core_message/message_drawer_router\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_drawer_events'\n],\nfunction(\n    $,\n    PubSub,\n    Str,\n    MessageDrawerEvents\n) {\n\n    /* @var {object} routes Message drawer route elements and callbacks. */\n    var routes = {};\n\n    /* @var {object} history Store for route objects history. */\n    var history = {};\n\n    var SELECTORS = {\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n        ROUTES_BACK: '[data-route-back]'\n    };\n\n    /**\n     * Add a route.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {string} route Route config name.\n     * @param {array} parameters Route parameters.\n     * @param {callback} onGo Route initialization function.\n     * @param {callback} getDescription Route initialization function.\n     */\n    var add = function(namespace, route, parameters, onGo, getDescription) {\n        if (!routes[namespace]) {\n            routes[namespace] = [];\n        }\n\n        routes[namespace][route] =\n            {\n                parameters: parameters,\n                onGo: onGo,\n                getDescription: getDescription\n            };\n    };\n\n    /**\n     * Go to a defined route and run the route callbacks.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {string} newRoute Route config name.\n     * @return {object} record Current route record with route config name and parameters.\n     */\n    var changeRoute = function(namespace, newRoute) {\n        var newConfig;\n\n        // Check if the Route change call is made from an element in the app panel.\n        var fromPanel = [].slice.call(arguments).some(function(arg) {\n            return arg == 'frompanel';\n        });\n        // Get the rest of the arguments, if any.\n        var args = [].slice.call(arguments, 2);\n        var renderPromise = $.Deferred().resolve().promise();\n\n        Object.keys(routes[namespace]).forEach(function(route) {\n            var config = routes[namespace][route];\n            var isMatch = route === newRoute;\n\n            if (isMatch) {\n                newConfig = config;\n            }\n\n            config.parameters.forEach(function(element) {\n                // Some parameters may be null, or not an element.\n                if (typeof element !== 'object' || element === null) {\n                    return;\n                }\n\n                element.removeClass('previous');\n                element.attr('data-from-panel', false);\n\n                if (isMatch) {\n                    if (fromPanel) {\n                        // Set this attribute to let the conversation renderer know not to show a back button.\n                        element.attr('data-from-panel', true);\n                    }\n                    element.removeClass('hidden');\n                    element.attr('aria-hidden', false);\n                } else {\n                    // For the message index page elements in the left panel should not be hidden.\n                    if (!element.attr('data-in-panel')) {\n                        element.addClass('hidden');\n                        element.attr('aria-hidden', true);\n                    } else if (newRoute == 'view-search' || newRoute == 'view-overview') {\n                        element.addClass('hidden');\n                        element.attr('aria-hidden', true);\n                    }\n                }\n            });\n        });\n\n        if (newConfig) {\n            if (newConfig.onGo) {\n                renderPromise = newConfig.onGo.apply(undefined, newConfig.parameters.concat(args));\n                var currentFocusElement = $(document.activeElement);\n                var hasFocus = false;\n                var firstFocusable = null;\n\n                // No need to start at 0 as we know that is the namespace.\n                for (var i = 1; i < newConfig.parameters.length; i++) {\n                    var element = newConfig.parameters[i];\n\n                    // Some parameters may be null, or not an element.\n                    if (typeof element !== 'object' || element === null) {\n                        continue;\n                    }\n\n                    if (!firstFocusable) {\n                        firstFocusable = element;\n                    }\n\n                    if (element.has(currentFocusElement).length) {\n                        hasFocus = true;\n                        break;\n                    }\n                }\n\n                if (!hasFocus) {\n                    // This page doesn't have focus yet so focus the first focusable\n                    // element in the new view.\n                    firstFocusable.find(SELECTORS.CAN_RECEIVE_FOCUS).filter(':visible').first().focus();\n                }\n            }\n        }\n\n        var record = {\n            route: newRoute,\n            params: args,\n            renderPromise: renderPromise\n        };\n\n        PubSub.publish(MessageDrawerEvents.ROUTE_CHANGED, record);\n\n        return record;\n    };\n\n    /**\n     * Go to a defined route and store the route history.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {object} record Current route record with route config name and parameters.\n     */\n    var go = function(namespace) {\n        var currentFocusElement = $(document.activeElement);\n\n        var record = changeRoute.apply(namespace, arguments);\n        var inHistory = false;\n\n        if (!history[namespace]) {\n            history[namespace] = [];\n        }\n\n        // History stores a unique list of routes. Check to see if the new route\n        // is already in the history, if it is then forget all history after it.\n        // This ensures there are no duplicate routes in history and that it represents\n        // a linear path of routes (it never stores something like [foo, bar, foo])).\n        history[namespace] = history[namespace].reduce(function(carry, previous) {\n            if (previous.route === record.route) {\n                inHistory = true;\n            }\n\n            if (!inHistory) {\n                carry.push(previous);\n            }\n\n            return carry;\n        }, []);\n\n        var historylength = history[namespace].length;\n        var previousRecord = historylength ? history[namespace][historylength - 1] : null;\n\n        if (previousRecord) {\n            var prevConfig = routes[namespace][previousRecord.route];\n            var elements = prevConfig.parameters;\n\n            // The first one will be the namespace, skip it.\n            for (var i = 1; i < elements.length; i++) {\n                // Some parameters may be null, or not an element.\n                if (typeof elements[i] !== 'object' || elements[i] === null) {\n                    continue;\n                }\n\n                elements[i].addClass('previous');\n            }\n\n            previousRecord.focusElement = currentFocusElement;\n\n            if (prevConfig.getDescription) {\n                // If the route has a description then set it on the back button for\n                // the new page we're displaying.\n                prevConfig.getDescription.apply(null, prevConfig.parameters.concat(previousRecord.params))\n                    .then(function(description) {\n                        return Str.get_string('backto', 'core_message', description);\n                    })\n                    .then(function(label) {\n                        // Wait for the new page to finish rendering so that we know\n                        // that the back button is visible.\n                        return record.renderPromise.then(function() {\n                            // Find the elements for the new route we displayed.\n                            routes[namespace][record.route].parameters.forEach(function(element) {\n                                // Some parameters may be null, or not an element.\n                                if (typeof element !== 'object' || !element) {\n                                    return;\n                                }\n                                // Update the aria label for the back button.\n                                element.find(SELECTORS.ROUTES_BACK).attr('aria-label', label);\n                            });\n                        });\n                    })\n                    .catch(function() {\n                        // Silently ignore.\n                    });\n            }\n        }\n        history[namespace].push(record);\n        return record;\n    };\n\n    /**\n     * Go back to the previous route record stored in history.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     */\n    var back = function(namespace) {\n        if (history[namespace].length) {\n            // Remove the current route.\n            history[namespace].pop();\n            var previous = history[namespace].pop();\n\n            if (previous) {\n                // If we have a previous route then show it.\n                go.apply(undefined, [namespace, previous.route].concat(previous.params));\n                // Delay the focus 50 milliseconds otherwise it doesn't correctly\n                // focus the element for some reason...\n                window.setTimeout(function() {\n                    previous.focusElement.focus();\n                }, 50);\n            }\n        }\n    };\n\n    return {\n        add: add,\n        go: go,\n        back: back\n    };\n});\n"],"file":"message_drawer_router.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_router.min.js","sources":["../src/message_drawer_router.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A simple router for the message drawer that allows navigating between\n * the \"pages\" in the drawer.\n *\n * This module will maintain a linear history of the unique pages access\n * to allow navigating back.\n *\n * @module     core_message/message_drawer_router\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_drawer_events'\n],\nfunction(\n    $,\n    PubSub,\n    Str,\n    MessageDrawerEvents\n) {\n\n    /* @var {object} routes Message drawer route elements and callbacks. */\n    var routes = {};\n\n    /* @var {object} history Store for route objects history. */\n    var history = {};\n\n    var SELECTORS = {\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n        ROUTES_BACK: '[data-route-back]'\n    };\n\n    /**\n     * Add a route.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {string} route Route config name.\n     * @param {array} parameters Route parameters.\n     * @param {callback} onGo Route initialization function.\n     * @param {callback} getDescription Route initialization function.\n     */\n    var add = function(namespace, route, parameters, onGo, getDescription) {\n        if (!routes[namespace]) {\n            routes[namespace] = [];\n        }\n\n        routes[namespace][route] =\n            {\n                parameters: parameters,\n                onGo: onGo,\n                getDescription: getDescription\n            };\n    };\n\n    /**\n     * Go to a defined route and run the route callbacks.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {string} newRoute Route config name.\n     * @return {object} record Current route record with route config name and parameters.\n     */\n    var changeRoute = function(namespace, newRoute) {\n        var newConfig;\n\n        // Check if the Route change call is made from an element in the app panel.\n        var fromPanel = [].slice.call(arguments).some(function(arg) {\n            return arg == 'frompanel';\n        });\n        // Get the rest of the arguments, if any.\n        var args = [].slice.call(arguments, 2);\n        var renderPromise = $.Deferred().resolve().promise();\n\n        Object.keys(routes[namespace]).forEach(function(route) {\n            var config = routes[namespace][route];\n            var isMatch = route === newRoute;\n\n            if (isMatch) {\n                newConfig = config;\n            }\n\n            config.parameters.forEach(function(element) {\n                // Some parameters may be null, or not an element.\n                if (typeof element !== 'object' || element === null) {\n                    return;\n                }\n\n                element.removeClass('previous');\n                element.attr('data-from-panel', false);\n\n                if (isMatch) {\n                    if (fromPanel) {\n                        // Set this attribute to let the conversation renderer know not to show a back button.\n                        element.attr('data-from-panel', true);\n                    }\n                    element.removeClass('hidden');\n                    element.attr('aria-hidden', false);\n                } else {\n                    // For the message index page elements in the left panel should not be hidden.\n                    if (!element.attr('data-in-panel')) {\n                        element.addClass('hidden');\n                        element.attr('aria-hidden', true);\n                    } else if (newRoute == 'view-search' || newRoute == 'view-overview') {\n                        element.addClass('hidden');\n                        element.attr('aria-hidden', true);\n                    }\n                }\n            });\n        });\n\n        if (newConfig) {\n            if (newConfig.onGo) {\n                renderPromise = newConfig.onGo.apply(undefined, newConfig.parameters.concat(args));\n                var currentFocusElement = $(document.activeElement);\n                var hasFocus = false;\n                var firstFocusable = null;\n\n                // No need to start at 0 as we know that is the namespace.\n                for (var i = 1; i < newConfig.parameters.length; i++) {\n                    var element = newConfig.parameters[i];\n\n                    // Some parameters may be null, or not an element.\n                    if (typeof element !== 'object' || element === null) {\n                        continue;\n                    }\n\n                    if (!firstFocusable) {\n                        firstFocusable = element;\n                    }\n\n                    if (element.has(currentFocusElement).length) {\n                        hasFocus = true;\n                        break;\n                    }\n                }\n\n                if (!hasFocus) {\n                    // This page doesn't have focus yet so focus the first focusable\n                    // element in the new view.\n                    firstFocusable.find(SELECTORS.CAN_RECEIVE_FOCUS).filter(':visible').first().focus();\n                }\n            }\n        }\n\n        var record = {\n            route: newRoute,\n            params: args,\n            renderPromise: renderPromise\n        };\n\n        PubSub.publish(MessageDrawerEvents.ROUTE_CHANGED, record);\n\n        return record;\n    };\n\n    /**\n     * Go to a defined route and store the route history.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {object} record Current route record with route config name and parameters.\n     */\n    var go = function(namespace) {\n        var currentFocusElement = $(document.activeElement);\n\n        var record = changeRoute.apply(namespace, arguments);\n        var inHistory = false;\n\n        if (!history[namespace]) {\n            history[namespace] = [];\n        }\n\n        // History stores a unique list of routes. Check to see if the new route\n        // is already in the history, if it is then forget all history after it.\n        // This ensures there are no duplicate routes in history and that it represents\n        // a linear path of routes (it never stores something like [foo, bar, foo])).\n        history[namespace] = history[namespace].reduce(function(carry, previous) {\n            if (previous.route === record.route) {\n                inHistory = true;\n            }\n\n            if (!inHistory) {\n                carry.push(previous);\n            }\n\n            return carry;\n        }, []);\n\n        var historylength = history[namespace].length;\n        var previousRecord = historylength ? history[namespace][historylength - 1] : null;\n\n        if (previousRecord) {\n            var prevConfig = routes[namespace][previousRecord.route];\n            var elements = prevConfig.parameters;\n\n            // The first one will be the namespace, skip it.\n            for (var i = 1; i < elements.length; i++) {\n                // Some parameters may be null, or not an element.\n                if (typeof elements[i] !== 'object' || elements[i] === null) {\n                    continue;\n                }\n\n                elements[i].addClass('previous');\n            }\n\n            previousRecord.focusElement = currentFocusElement;\n\n            if (prevConfig.getDescription) {\n                // If the route has a description then set it on the back button for\n                // the new page we're displaying.\n                prevConfig.getDescription.apply(null, prevConfig.parameters.concat(previousRecord.params))\n                    .then(function(description) {\n                        return Str.get_string('backto', 'core_message', description);\n                    })\n                    .then(function(label) {\n                        // Wait for the new page to finish rendering so that we know\n                        // that the back button is visible.\n                        return record.renderPromise.then(function() {\n                            // Find the elements for the new route we displayed.\n                            routes[namespace][record.route].parameters.forEach(function(element) {\n                                // Some parameters may be null, or not an element.\n                                if (typeof element !== 'object' || !element) {\n                                    return;\n                                }\n                                // Update the aria label for the back button.\n                                element.find(SELECTORS.ROUTES_BACK).attr('aria-label', label);\n                            });\n                        });\n                    })\n                    .catch(function() {\n                        // Silently ignore.\n                    });\n            }\n        }\n        history[namespace].push(record);\n        return record;\n    };\n\n    /**\n     * Go back to the previous route record stored in history.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     */\n    var back = function(namespace) {\n        if (history[namespace].length) {\n            // Remove the current route.\n            history[namespace].pop();\n            var previous = history[namespace].pop();\n\n            if (previous) {\n                // If we have a previous route then show it.\n                go.apply(undefined, [namespace, previous.route].concat(previous.params));\n                // Delay the focus 50 milliseconds otherwise it doesn't correctly\n                // focus the element for some reason...\n                window.setTimeout(function() {\n                    previous.focusElement.focus();\n                }, 50);\n            }\n        }\n    };\n\n    return {\n        add: add,\n        go: go,\n        back: back\n    };\n});\n"],"names":["define","$","PubSub","Str","MessageDrawerEvents","routes","history","SELECTORS","changeRoute","namespace","newRoute","newConfig","fromPanel","slice","call","arguments","some","arg","args","renderPromise","Deferred","resolve","promise","Object","keys","forEach","route","config","isMatch","parameters","element","_typeof","removeClass","attr","addClass","onGo","apply","undefined","concat","currentFocusElement","document","activeElement","hasFocus","firstFocusable","i","length","has","find","filter","first","focus","record","params","publish","ROUTE_CHANGED","go","inHistory","reduce","carry","previous","push","historylength","previousRecord","prevConfig","elements","focusElement","getDescription","then","description","get_string","label","catch","add","back","pop","window","setTimeout"],"mappings":";;;;;;;;;;;IA0BAA,4CACA,CACI,SACA,cACA,WACA,uCAEJ,SACIC,EACAC,OACAC,IACAC,yBAIIC,OAAS,GAGTC,QAAU,GAEVC,4BACmB,4EADnBA,sBAEa,oBAgCbC,YAAc,SAASC,UAAWC,cAC9BC,UAGAC,UAAY,GAAGC,MAAMC,KAAKC,WAAWC,MAAK,SAASC,WACrC,aAAPA,OAGPC,KAAO,GAAGL,MAAMC,KAAKC,UAAW,GAChCI,cAAgBlB,EAAEmB,WAAWC,UAAUC,aAE3CC,OAAOC,KAAKnB,OAAOI,YAAYgB,SAAQ,SAASC,WACxCC,OAAStB,OAAOI,WAAWiB,OAC3BE,QAAUF,QAAUhB,SAEpBkB,UACAjB,UAAYgB,QAGhBA,OAAOE,WAAWJ,SAAQ,SAASK,SAER,WAAnBC,QAAOD,UAAoC,OAAZA,UAInCA,QAAQE,YAAY,YACpBF,QAAQG,KAAK,mBAAmB,GAE5BL,SACIhB,WAEAkB,QAAQG,KAAK,mBAAmB,GAEpCH,QAAQE,YAAY,UACpBF,QAAQG,KAAK,eAAe,IAGvBH,QAAQG,KAAK,kBAGK,eAAZvB,UAAyC,iBAAZA,WAFpCoB,QAAQI,SAAS,UACjBJ,QAAQG,KAAK,eAAe,WASxCtB,WACIA,UAAUwB,KAAM,CAChBhB,cAAgBR,UAAUwB,KAAKC,WAAMC,EAAW1B,UAAUkB,WAAWS,OAAOpB,eACxEqB,oBAAsBtC,EAAEuC,SAASC,eACjCC,UAAW,EACXC,eAAiB,KAGZC,EAAI,EAAGA,EAAIjC,UAAUkB,WAAWgB,OAAQD,IAAK,KAC9Cd,QAAUnB,UAAUkB,WAAWe,MAGZ,WAAnBb,QAAOD,UAAoC,OAAZA,UAI9Ba,iBACDA,eAAiBb,SAGjBA,QAAQgB,IAAIP,qBAAqBM,QAAQ,CACzCH,UAAW,SAKdA,UAGDC,eAAeI,KAAKxC,6BAA6ByC,OAAO,YAAYC,QAAQC,YAKpFC,OAAS,CACTzB,MAAOhB,SACP0C,OAAQlC,KACRC,cAAeA,sBAGnBjB,OAAOmD,QAAQjD,oBAAoBkD,cAAeH,QAE3CA,QASPI,GAAK,SAAS9C,eACV8B,oBAAsBtC,EAAEuC,SAASC,eAEjCU,OAAS3C,YAAY4B,MAAM3B,UAAWM,WACtCyC,WAAY,EAEXlD,QAAQG,aACTH,QAAQG,WAAa,IAOzBH,QAAQG,WAAaH,QAAQG,WAAWgD,QAAO,SAASC,MAAOC,iBACvDA,SAASjC,QAAUyB,OAAOzB,QAC1B8B,WAAY,GAGXA,WACDE,MAAME,KAAKD,UAGRD,QACR,QAECG,cAAgBvD,QAAQG,WAAWoC,OACnCiB,eAAiBD,cAAgBvD,QAAQG,WAAWoD,cAAgB,GAAK,QAEzEC,eAAgB,SACZC,WAAa1D,OAAOI,WAAWqD,eAAepC,OAC9CsC,SAAWD,WAAWlC,WAGjBe,EAAI,EAAGA,EAAIoB,SAASnB,OAAQD,IAEN,WAAvBb,QAAOiC,SAASpB,KAAmC,OAAhBoB,SAASpB,IAIhDoB,SAASpB,GAAGV,SAAS,YAGzB4B,eAAeG,aAAe1B,oBAE1BwB,WAAWG,gBAGXH,WAAWG,eAAe9B,MAAM,KAAM2B,WAAWlC,WAAWS,OAAOwB,eAAeV,SAC7Ee,MAAK,SAASC,oBACJjE,IAAIkE,WAAW,SAAU,eAAgBD,gBAEnDD,MAAK,SAASG,cAGJnB,OAAOhC,cAAcgD,MAAK,WAE7B9D,OAAOI,WAAW0C,OAAOzB,OAAOG,WAAWJ,SAAQ,SAASK,SAEjC,WAAnBC,QAAOD,UAAyBA,SAIpCA,QAAQiB,KAAKxC,uBAAuB0B,KAAK,aAAcqC,gBAIlEC,OAAM,sBAKnBjE,QAAQG,WAAWmD,KAAKT,QACjBA,cA0BJ,CACHqB,IA3NM,SAAS/D,UAAWiB,MAAOG,WAAYM,KAAM+B,gBAC9C7D,OAAOI,aACRJ,OAAOI,WAAa,IAGxBJ,OAAOI,WAAWiB,OACd,CACIG,WAAYA,WACZM,KAAMA,KACN+B,eAAgBA,iBAmNxBX,GAAIA,GACJkB,KArBO,SAAShE,cACZH,QAAQG,WAAWoC,OAAQ,CAE3BvC,QAAQG,WAAWiE,UACff,SAAWrD,QAAQG,WAAWiE,MAE9Bf,WAEAJ,GAAGnB,WAAMC,EAAW,CAAC5B,UAAWkD,SAASjC,OAAOY,OAAOqB,SAASP,SAGhEuB,OAAOC,YAAW,WACdjB,SAASM,aAAaf,UACvB"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_routes.min.js b/message/amd/build/message_drawer_routes.min.js
index 4ea2c349888..299bc00935e 100644
--- a/message/amd/build/message_drawer_routes.min.js
+++ b/message/amd/build/message_drawer_routes.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_drawer_routes",[],function(){return{VIEW_CONTACT:"view-contact",VIEW_CONTACTS:"view-contacts",VIEW_CONVERSATION:"view-conversation",VIEW_GROUP_INFO:"view-group-info",VIEW_OVERVIEW:"view-overview",VIEW_SEARCH:"view-search",VIEW_SETTINGS:"view-settings"}});
-//# sourceMappingURL=message_drawer_routes.min.js.map
+/**
+ * Available routes for the message drawer.
+ *
+ * @module     core_message/message_drawer_routes
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_routes",[],(function(){return{VIEW_CONTACT:"view-contact",VIEW_CONTACTS:"view-contacts",VIEW_CONVERSATION:"view-conversation",VIEW_GROUP_INFO:"view-group-info",VIEW_OVERVIEW:"view-overview",VIEW_SEARCH:"view-search",VIEW_SETTINGS:"view-settings"}}));
+
+//# sourceMappingURL=message_drawer_routes.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_routes.min.js.map b/message/amd/build/message_drawer_routes.min.js.map
index b19ebfaaf47..29d2eb9448c 100644
--- a/message/amd/build/message_drawer_routes.min.js.map
+++ b/message/amd/build/message_drawer_routes.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_drawer_routes.js"],"names":["define","VIEW_CONTACT","VIEW_CONTACTS","VIEW_CONVERSATION","VIEW_GROUP_INFO","VIEW_OVERVIEW","VIEW_SEARCH","VIEW_SETTINGS"],"mappings":"AAsBAA,OAAM,sCAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,YAAY,CAAE,cADX,CAEHC,aAAa,CAAE,eAFZ,CAGHC,iBAAiB,CAAE,mBAHhB,CAIHC,eAAe,CAAE,iBAJd,CAKHC,aAAa,CAAE,eALZ,CAMHC,WAAW,CAAE,aANV,CAOHC,aAAa,CAAE,eAPZ,CASV,CAVK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Available routes for the message drawer.\n *\n * @module     core_message/message_drawer_routes\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        VIEW_CONTACT: 'view-contact',\n        VIEW_CONTACTS: 'view-contacts',\n        VIEW_CONVERSATION: 'view-conversation',\n        VIEW_GROUP_INFO: 'view-group-info',\n        VIEW_OVERVIEW: 'view-overview',\n        VIEW_SEARCH: 'view-search',\n        VIEW_SETTINGS: 'view-settings'\n    };\n});\n"],"file":"message_drawer_routes.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_routes.min.js","sources":["../src/message_drawer_routes.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Available routes for the message drawer.\n *\n * @module     core_message/message_drawer_routes\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        VIEW_CONTACT: 'view-contact',\n        VIEW_CONTACTS: 'view-contacts',\n        VIEW_CONVERSATION: 'view-conversation',\n        VIEW_GROUP_INFO: 'view-group-info',\n        VIEW_OVERVIEW: 'view-overview',\n        VIEW_SEARCH: 'view-search',\n        VIEW_SETTINGS: 'view-settings'\n    };\n});\n"],"names":["define","VIEW_CONTACT","VIEW_CONTACTS","VIEW_CONVERSATION","VIEW_GROUP_INFO","VIEW_OVERVIEW","VIEW_SEARCH","VIEW_SETTINGS"],"mappings":";;;;;;;AAsBAA,4CAAO,IAAI,iBACA,CACHC,aAAc,eACdC,cAAe,gBACfC,kBAAmB,oBACnBC,gBAAiB,kBACjBC,cAAe,gBACfC,YAAa,cACbC,cAAe"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_contact.min.js b/message/amd/build/message_drawer_view_contact.min.js
index b0774325e92..be56a1d6ac8 100644
--- a/message/amd/build/message_drawer_view_contact.min.js
+++ b/message/amd/build/message_drawer_view_contact.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_drawer_view_contact",["jquery","core/str","core/templates"],function(a,b,c){var d={CONTENT_CONTAINER:"[data-region=\"content-container\"]"},e={CONTENT:"core_message/message_drawer_view_contact_body_content"},f=function(a){return a.find(d.CONTENT_CONTAINER)},g=function(a,b){return c.render(e.CONTENT,b).then(function(b){f(a).append(b);return b})};return{show:function show(b,c,d,e,h){var i=a(d);f(i).empty();return g(i,h)},description:function description(a,c){return b.get_string("messagedrawerviewcontact","core_message",c.fullname)}}});
-//# sourceMappingURL=message_drawer_view_contact.min.js.map
+/**
+ * Controls the contact page in the message drawer.
+ *
+ * @module     core_message/message_drawer_view_contact
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_contact",["jquery","core/str","core/templates"],(function($,Str,Templates){var SELECTORS_CONTENT_CONTAINER='[data-region="content-container"]',TEMPLATES_CONTENT="core_message/message_drawer_view_contact_body_content",getContentContainer=function(root){return root.find(SELECTORS_CONTENT_CONTAINER)};return{show:function(namespace,header,body,footer,contact){var root=$(body);return getContentContainer(root).empty(),function(root,profile){return Templates.render(TEMPLATES_CONTENT,profile).then((function(html){return getContentContainer(root).append(html),html}))}(root,contact)},description:function(root,contact){return Str.get_string("messagedrawerviewcontact","core_message",contact.fullname)}}}));
+
+//# sourceMappingURL=message_drawer_view_contact.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_contact.min.js.map b/message/amd/build/message_drawer_view_contact.min.js.map
index 2b64462e943..731a8e88356 100644
--- a/message/amd/build/message_drawer_view_contact.min.js.map
+++ b/message/amd/build/message_drawer_view_contact.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_drawer_view_contact.js"],"names":["define","$","Str","Templates","SELECTORS","CONTENT_CONTAINER","TEMPLATES","CONTENT","getContentContainer","root","find","render","profile","then","html","append","show","namespace","header","body","footer","contact","empty","description","get_string","fullname"],"mappings":"AAsBAA,OAAM,4CACN,CACI,QADJ,CAEI,UAFJ,CAGI,gBAHJ,CADM,CAMN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIE,IAEMC,CAAAA,CAAS,CAAG,CACZC,iBAAiB,CAAE,qCADP,CAFlB,CAMMC,CAAS,CAAG,CACZC,OAAO,CAAE,uDADG,CANlB,CAgBMC,CAAmB,CAAG,SAASC,CAAT,CAAe,CACrC,MAAOA,CAAAA,CAAI,CAACC,IAAL,CAAUN,CAAS,CAACC,iBAApB,CACV,CAlBH,CA2BMM,CAAM,CAAG,SAASF,CAAT,CAAeG,CAAf,CAAwB,CACjC,MAAOT,CAAAA,CAAS,CAACQ,MAAV,CAAiBL,CAAS,CAACC,OAA3B,CAAoCK,CAApC,EACFC,IADE,CACG,SAASC,CAAT,CAAe,CACjBN,CAAmB,CAACC,CAAD,CAAnB,CAA0BM,MAA1B,CAAiCD,CAAjC,EACA,MAAOA,CAAAA,CACV,CAJE,CAKV,CAjCH,CA+DE,MAAO,CACHE,IAAI,CAnBG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAoBC,CAApB,CAA4BC,CAA5B,CAAkCC,CAAlC,CAA0CC,CAA1C,CAAmD,CAC1D,GAAIZ,CAAAA,CAAI,CAAGR,CAAC,CAACkB,CAAD,CAAZ,CAEAX,CAAmB,CAACC,CAAD,CAAnB,CAA0Ba,KAA1B,GACA,MAAOX,CAAAA,CAAM,CAACF,CAAD,CAAOY,CAAP,CAChB,CAaM,CAEHE,WAAW,CANG,QAAdA,CAAAA,WAAc,CAASd,CAAT,CAAeY,CAAf,CAAwB,CACtC,MAAOnB,CAAAA,CAAG,CAACsB,UAAJ,CAAe,0BAAf,CAA2C,cAA3C,CAA2DH,CAAO,CAACI,QAAnE,CACV,CAEM,CAIV,CA7EK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the contact page in the message drawer.\n *\n * @module     core_message/message_drawer_view_contact\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/str',\n    'core/templates'\n],\nfunction(\n    $,\n    Str,\n    Templates\n) {\n\n    var SELECTORS = {\n        CONTENT_CONTAINER: '[data-region=\"content-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONTENT: 'core_message/message_drawer_view_contact_body_content'\n    };\n\n    /**\n     * Get the content container of the contact view container.\n     *\n     * @param {Object} root Contact container element.\n     * @returns {Object} jQuery object\n     */\n    var getContentContainer = function(root) {\n        return root.find(SELECTORS.CONTENT_CONTAINER);\n    };\n\n    /**\n     * Render the contact profile in the content container.\n     *\n     * @param {Object} root Contact container element.\n     * @param {Object} profile Contact profile details.\n     * @returns {Object} jQuery promise\n     */\n    var render = function(root, profile) {\n        return Templates.render(TEMPLATES.CONTENT, profile)\n            .then(function(html) {\n                getContentContainer(root).append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Setup the contact page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contact header element.\n     * @param {Object} body Contact body container element.\n     * @param {Object} footer Contact footer container element.\n     * @param {Object} contact The contact object.\n     * @returns {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, contact) {\n        var root = $(body);\n\n        getContentContainer(root).empty();\n        return render(root, contact);\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @param {Object} root Contact container element.\n     * @param {Object} contact The contact object.\n     * @return {Object} jQuery promise\n     */\n    var description = function(root, contact) {\n        return Str.get_string('messagedrawerviewcontact', 'core_message', contact.fullname);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_contact.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_contact.min.js","sources":["../src/message_drawer_view_contact.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the contact page in the message drawer.\n *\n * @module     core_message/message_drawer_view_contact\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/str',\n    'core/templates'\n],\nfunction(\n    $,\n    Str,\n    Templates\n) {\n\n    var SELECTORS = {\n        CONTENT_CONTAINER: '[data-region=\"content-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONTENT: 'core_message/message_drawer_view_contact_body_content'\n    };\n\n    /**\n     * Get the content container of the contact view container.\n     *\n     * @param {Object} root Contact container element.\n     * @returns {Object} jQuery object\n     */\n    var getContentContainer = function(root) {\n        return root.find(SELECTORS.CONTENT_CONTAINER);\n    };\n\n    /**\n     * Render the contact profile in the content container.\n     *\n     * @param {Object} root Contact container element.\n     * @param {Object} profile Contact profile details.\n     * @returns {Object} jQuery promise\n     */\n    var render = function(root, profile) {\n        return Templates.render(TEMPLATES.CONTENT, profile)\n            .then(function(html) {\n                getContentContainer(root).append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Setup the contact page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contact header element.\n     * @param {Object} body Contact body container element.\n     * @param {Object} footer Contact footer container element.\n     * @param {Object} contact The contact object.\n     * @returns {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, contact) {\n        var root = $(body);\n\n        getContentContainer(root).empty();\n        return render(root, contact);\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @param {Object} root Contact container element.\n     * @param {Object} contact The contact object.\n     * @return {Object} jQuery promise\n     */\n    var description = function(root, contact) {\n        return Str.get_string('messagedrawerviewcontact', 'core_message', contact.fullname);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"names":["define","$","Str","Templates","SELECTORS","TEMPLATES","getContentContainer","root","find","show","namespace","header","body","footer","contact","empty","profile","render","then","html","append","description","get_string","fullname"],"mappings":";;;;;;;AAsBAA,kDACA,CACI,SACA,WACA,mBAEJ,SACIC,EACAC,IACAC,eAGIC,4BACmB,oCAGnBC,kBACS,wDASTC,oBAAsB,SAASC,aACxBA,KAAKC,KAAKJ,oCA8Cd,CACHK,KAnBO,SAASC,UAAWC,OAAQC,KAAMC,OAAQC,aAC7CP,KAAON,EAAEW,aAEbN,oBAAoBC,MAAMQ,QArBjB,SAASR,KAAMS,gBACjBb,UAAUc,OAAOZ,kBAAmBW,SACtCE,MAAK,SAASC,aACXb,oBAAoBC,MAAMa,OAAOD,MAC1BA,QAkBRF,CAAOV,KAAMO,UAgBpBO,YANc,SAASd,KAAMO,gBACtBZ,IAAIoB,WAAW,2BAA4B,eAAgBR,QAAQS"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_contacts.min.js b/message/amd/build/message_drawer_view_contacts.min.js
index 67936f61f83..eff99c1fe04 100644
--- a/message/amd/build/message_drawer_view_contacts.min.js
+++ b/message/amd/build/message_drawer_view_contacts.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_drawer_view_contacts",["jquery","core/pubsub","core/str","core_message/message_drawer_events","core_message/message_drawer_view_contacts_section_contacts","core_message/message_drawer_view_contacts_section_requests"],function(a,b,c,d,e,f){var g={ACTION_SHOW_CONTACTS_SECTION:"[data-action=\"show-contacts-section\"]",ACTION_SHOW_REQUESTS_SECTION:"[data-action=\"show-requests-section\"]",CONTACT_REQUEST_COUNT:"[data-region=\"contact-request-count\"]",CONTACTS_SECTION_CONTAINER:"[data-section=\"contacts\"]",REQUESTS_SECTION_CONTAINER:"[data-section=\"requests\"]"},h=function(a){return a.find(g.CONTACTS_SECTION_CONTAINER)},i=function(a){return a.find(g.REQUESTS_SECTION_CONTAINER)},j=function(a){return a.find(g.ACTION_SHOW_CONTACTS_SECTION)},k=function(a){return a.find(g.ACTION_SHOW_REQUESTS_SECTION)},l=function(a){return a.hasClass("active")},m=function(a){return function(){var b=a.find(g.CONTACT_REQUEST_COUNT),c=parseInt(b.text(),10);c=isNaN(c)?0:c-1;if(0>=c){b.addClass("hidden")}else{b.text(c)}}},n=function(a){var c=h(a),g=i(a),l=j(a),n=k(a);l.on("show.bs.tab",function(){e.show(c)});n.on("show.bs.tab",function(){f.show(g)});b.subscribe(d.CONTACT_REQUEST_ACCEPTED,m(a));b.subscribe(d.CONTACT_REQUEST_DECLINED,m(a))};return{show:function show(b,c,d,g,m){d=a(d);if(!d.attr("data-contacts-init")){n(d);d.attr("data-contacts-init",!0)}var o=h(d),p=i(d);if(m){var q=j(d),r=k(d);if("requests"==m){q.removeClass("active");o.removeClass("show active");r.addClass("active");p.addClass("show active")}else{r.removeClass("active");p.removeClass("show active");q.addClass("active");o.addClass("show active")}}if(l(o)){e.show(o)}else{f.show(p)}return a.Deferred().resolve().promise()},description:function description(){return c.get_string("messagedrawerviewcontacts","core_message")}}});
-//# sourceMappingURL=message_drawer_view_contacts.min.js.map
+/**
+ * Controls the contacts page of the message drawer.
+ *
+ * @module     core_message/message_drawer_view_contacts
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_contacts",["jquery","core/pubsub","core/str","core_message/message_drawer_events","core_message/message_drawer_view_contacts_section_contacts","core_message/message_drawer_view_contacts_section_requests"],(function($,PubSub,Str,MessageDrawerEvents,ContactsSection,RequestsSection){var SELECTORS_ACTION_SHOW_CONTACTS_SECTION='[data-action="show-contacts-section"]',SELECTORS_ACTION_SHOW_REQUESTS_SECTION='[data-action="show-requests-section"]',SELECTORS_CONTACT_REQUEST_COUNT='[data-region="contact-request-count"]',SELECTORS_CONTACTS_SECTION_CONTAINER='[data-section="contacts"]',SELECTORS_REQUESTS_SECTION_CONTAINER='[data-section="requests"]',getContactsSectionContainer=function(body){return body.find(SELECTORS_CONTACTS_SECTION_CONTAINER)},getRequestsSectionContainer=function(body){return body.find(SELECTORS_REQUESTS_SECTION_CONTAINER)},getShowContactsAction=function(body){return body.find(SELECTORS_ACTION_SHOW_CONTACTS_SECTION)},getShowRequestsAction=function(body){return body.find(SELECTORS_ACTION_SHOW_REQUESTS_SECTION)},decrementContactRequestCount=function(body){return function(){var countContainer=body.find(SELECTORS_CONTACT_REQUEST_COUNT),count=parseInt(countContainer.text(),10);(count=isNaN(count)?0:count-1)<=0?countContainer.addClass("hidden"):countContainer.text(count)}};return{show:function(namespace,header,body,footer,tab){(body=$(body)).attr("data-contacts-init")||(!function(body){var contactsSection=getContactsSectionContainer(body),requestsSection=getRequestsSectionContainer(body),showContactsAction=getShowContactsAction(body),showRequestsAction=getShowRequestsAction(body);showContactsAction.on("show.bs.tab",(function(){ContactsSection.show(contactsSection)})),showRequestsAction.on("show.bs.tab",(function(){RequestsSection.show(requestsSection)})),PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED,decrementContactRequestCount(body)),PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED,decrementContactRequestCount(body))}(body),body.attr("data-contacts-init",!0));var contactsSection=getContactsSectionContainer(body),requestsSection=getRequestsSectionContainer(body);if(tab){var showContactsAction=getShowContactsAction(body),showRequestsAction=getShowRequestsAction(body);"requests"==tab?(showContactsAction.removeClass("active"),contactsSection.removeClass("show active"),showRequestsAction.addClass("active"),requestsSection.addClass("show active")):(showRequestsAction.removeClass("active"),requestsSection.removeClass("show active"),showContactsAction.addClass("active"),contactsSection.addClass("show active"))}return contactsSection.hasClass("active")?ContactsSection.show(contactsSection):RequestsSection.show(requestsSection),$.Deferred().resolve().promise()},description:function(){return Str.get_string("messagedrawerviewcontacts","core_message")}}}));
+
+//# sourceMappingURL=message_drawer_view_contacts.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_contacts.min.js.map b/message/amd/build/message_drawer_view_contacts.min.js.map
index 7aa57bdf3e5..70c35fd8bad 100644
--- a/message/amd/build/message_drawer_view_contacts.min.js.map
+++ b/message/amd/build/message_drawer_view_contacts.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the contacts page of the message drawer.\n *\n * @module     core_message/message_drawer_view_contacts\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_view_contacts_section_contacts',\n    'core_message/message_drawer_view_contacts_section_requests'\n],\nfunction(\n    $,\n    PubSub,\n    Str,\n    MessageDrawerEvents,\n    ContactsSection,\n    RequestsSection\n) {\n\n    var SELECTORS = {\n        ACTION_SHOW_CONTACTS_SECTION: '[data-action=\"show-contacts-section\"]',\n        ACTION_SHOW_REQUESTS_SECTION: '[data-action=\"show-requests-section\"]',\n        CONTACT_REQUEST_COUNT: '[data-region=\"contact-request-count\"]',\n        CONTACTS_SECTION_CONTAINER: '[data-section=\"contacts\"]',\n        REQUESTS_SECTION_CONTAINER: '[data-section=\"requests\"]',\n    };\n\n    /**\n     * Get the container element for the contacts section.\n     *\n     * @param {Object} body Contacts page body element.\n     * @return {Object}\n     */\n    var getContactsSectionContainer = function(body) {\n        return body.find(SELECTORS.CONTACTS_SECTION_CONTAINER);\n    };\n\n    /**\n     * Get the container element for the requests section.\n     *\n     * @param {Object} body Contacts page body element.\n     * @return {Object}\n     */\n    var getRequestsSectionContainer = function(body) {\n        return body.find(SELECTORS.REQUESTS_SECTION_CONTAINER);\n    };\n\n    /**\n     * Get the element that triggers showing the contacts section.\n     *\n     * @param {Object} body Contacts page body element.\n     * @return {Object}\n     */\n    var getShowContactsAction = function(body) {\n        return body.find(SELECTORS.ACTION_SHOW_CONTACTS_SECTION);\n    };\n\n    /**\n     * Get the element that triggers showing the requests section.\n     *\n     * @param {Object} body Contacts page body element.\n     * @return {Object}\n     */\n    var getShowRequestsAction = function(body) {\n        return body.find(SELECTORS.ACTION_SHOW_REQUESTS_SECTION);\n    };\n\n    /**\n     * Check if the given section is visible.\n     *\n     * @param {Object} sectionRoot The root element for the section\n     * @return {Bool}\n     */\n    var isSectionVisible = function(sectionRoot) {\n        return sectionRoot.hasClass('active');\n    };\n\n    /**\n     * Decrement the contact request count. If the count is zero or below then\n     * hide the count.\n     *\n     * @param {Object} body Conversation body container element.\n     * @return {Function} A function to handle decrementing the count.\n     */\n    var decrementContactRequestCount = function(body) {\n        return function() {\n            var countContainer = body.find(SELECTORS.CONTACT_REQUEST_COUNT);\n            var count = parseInt(countContainer.text(), 10);\n            count = isNaN(count) ? 0 : count - 1;\n\n            if (count <= 0) {\n                countContainer.addClass('hidden');\n            } else {\n                countContainer.text(count);\n            }\n        };\n    };\n\n    /**\n     * Listen to and handle events for contacts.\n     *\n     * @param {Object} body Contacts body container element.\n     */\n    var registerEventListeners = function(body) {\n        var contactsSection = getContactsSectionContainer(body);\n        var requestsSection = getRequestsSectionContainer(body);\n        var showContactsAction = getShowContactsAction(body);\n        var showRequestsAction = getShowRequestsAction(body);\n\n        showContactsAction.on('show.bs.tab', function() {\n            ContactsSection.show(contactsSection);\n        });\n\n        showRequestsAction.on('show.bs.tab', function() {\n            RequestsSection.show(requestsSection);\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, decrementContactRequestCount(body));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, decrementContactRequestCount(body));\n    };\n\n    /**\n     * Setup the contact page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @param {Object} body Contacts body container element.\n     * @param {Object} footer Contacts footer container element.\n     * @param {String|null} tab Tab to show, either 'requests' or 'contacts', if any.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, tab) {\n        body = $(body);\n\n        if (!body.attr('data-contacts-init')) {\n            registerEventListeners(body);\n            body.attr('data-contacts-init', true);\n        }\n\n        var contactsSection = getContactsSectionContainer(body);\n        var requestsSection = getRequestsSectionContainer(body);\n\n        if (tab) {\n            var showContactsAction = getShowContactsAction(body);\n            var showRequestsAction = getShowRequestsAction(body);\n\n            // Unfortunately we need to hardcode the class changes here rather than trigger\n            // the bootstrap tab functionality because the bootstrap JS doesn't appear to be\n            // loaded by this point which means the tab plugin isn't added and the event listeners\n            // haven't been set up so we can't just trigger a click either.\n            if (tab == 'requests') {\n                showContactsAction.removeClass('active');\n                contactsSection.removeClass('show active');\n                showRequestsAction.addClass('active');\n                requestsSection.addClass('show active');\n            } else {\n                showRequestsAction.removeClass('active');\n                requestsSection.removeClass('show active');\n                showContactsAction.addClass('active');\n                contactsSection.addClass('show active');\n            }\n        }\n\n        if (isSectionVisible(contactsSection)) {\n            ContactsSection.show(contactsSection);\n        } else {\n            RequestsSection.show(requestsSection);\n        }\n\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewcontacts', 'core_message');\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_contacts.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_contacts.min.js","sources":["../src/message_drawer_view_contacts.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the contacts page of the message drawer.\n *\n * @module     core_message/message_drawer_view_contacts\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_view_contacts_section_contacts',\n    'core_message/message_drawer_view_contacts_section_requests'\n],\nfunction(\n    $,\n    PubSub,\n    Str,\n    MessageDrawerEvents,\n    ContactsSection,\n    RequestsSection\n) {\n\n    var SELECTORS = {\n        ACTION_SHOW_CONTACTS_SECTION: '[data-action=\"show-contacts-section\"]',\n        ACTION_SHOW_REQUESTS_SECTION: '[data-action=\"show-requests-section\"]',\n        CONTACT_REQUEST_COUNT: '[data-region=\"contact-request-count\"]',\n        CONTACTS_SECTION_CONTAINER: '[data-section=\"contacts\"]',\n        REQUESTS_SECTION_CONTAINER: '[data-section=\"requests\"]',\n    };\n\n    /**\n     * Get the container element for the contacts section.\n     *\n     * @param {Object} body Contacts page body element.\n     * @return {Object}\n     */\n    var getContactsSectionContainer = function(body) {\n        return body.find(SELECTORS.CONTACTS_SECTION_CONTAINER);\n    };\n\n    /**\n     * Get the container element for the requests section.\n     *\n     * @param {Object} body Contacts page body element.\n     * @return {Object}\n     */\n    var getRequestsSectionContainer = function(body) {\n        return body.find(SELECTORS.REQUESTS_SECTION_CONTAINER);\n    };\n\n    /**\n     * Get the element that triggers showing the contacts section.\n     *\n     * @param {Object} body Contacts page body element.\n     * @return {Object}\n     */\n    var getShowContactsAction = function(body) {\n        return body.find(SELECTORS.ACTION_SHOW_CONTACTS_SECTION);\n    };\n\n    /**\n     * Get the element that triggers showing the requests section.\n     *\n     * @param {Object} body Contacts page body element.\n     * @return {Object}\n     */\n    var getShowRequestsAction = function(body) {\n        return body.find(SELECTORS.ACTION_SHOW_REQUESTS_SECTION);\n    };\n\n    /**\n     * Check if the given section is visible.\n     *\n     * @param {Object} sectionRoot The root element for the section\n     * @return {Bool}\n     */\n    var isSectionVisible = function(sectionRoot) {\n        return sectionRoot.hasClass('active');\n    };\n\n    /**\n     * Decrement the contact request count. If the count is zero or below then\n     * hide the count.\n     *\n     * @param {Object} body Conversation body container element.\n     * @return {Function} A function to handle decrementing the count.\n     */\n    var decrementContactRequestCount = function(body) {\n        return function() {\n            var countContainer = body.find(SELECTORS.CONTACT_REQUEST_COUNT);\n            var count = parseInt(countContainer.text(), 10);\n            count = isNaN(count) ? 0 : count - 1;\n\n            if (count <= 0) {\n                countContainer.addClass('hidden');\n            } else {\n                countContainer.text(count);\n            }\n        };\n    };\n\n    /**\n     * Listen to and handle events for contacts.\n     *\n     * @param {Object} body Contacts body container element.\n     */\n    var registerEventListeners = function(body) {\n        var contactsSection = getContactsSectionContainer(body);\n        var requestsSection = getRequestsSectionContainer(body);\n        var showContactsAction = getShowContactsAction(body);\n        var showRequestsAction = getShowRequestsAction(body);\n\n        showContactsAction.on('show.bs.tab', function() {\n            ContactsSection.show(contactsSection);\n        });\n\n        showRequestsAction.on('show.bs.tab', function() {\n            RequestsSection.show(requestsSection);\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, decrementContactRequestCount(body));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, decrementContactRequestCount(body));\n    };\n\n    /**\n     * Setup the contact page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @param {Object} body Contacts body container element.\n     * @param {Object} footer Contacts footer container element.\n     * @param {String|null} tab Tab to show, either 'requests' or 'contacts', if any.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, tab) {\n        body = $(body);\n\n        if (!body.attr('data-contacts-init')) {\n            registerEventListeners(body);\n            body.attr('data-contacts-init', true);\n        }\n\n        var contactsSection = getContactsSectionContainer(body);\n        var requestsSection = getRequestsSectionContainer(body);\n\n        if (tab) {\n            var showContactsAction = getShowContactsAction(body);\n            var showRequestsAction = getShowRequestsAction(body);\n\n            // Unfortunately we need to hardcode the class changes here rather than trigger\n            // the bootstrap tab functionality because the bootstrap JS doesn't appear to be\n            // loaded by this point which means the tab plugin isn't added and the event listeners\n            // haven't been set up so we can't just trigger a click either.\n            if (tab == 'requests') {\n                showContactsAction.removeClass('active');\n                contactsSection.removeClass('show active');\n                showRequestsAction.addClass('active');\n                requestsSection.addClass('show active');\n            } else {\n                showRequestsAction.removeClass('active');\n                requestsSection.removeClass('show active');\n                showContactsAction.addClass('active');\n                contactsSection.addClass('show active');\n            }\n        }\n\n        if (isSectionVisible(contactsSection)) {\n            ContactsSection.show(contactsSection);\n        } else {\n            RequestsSection.show(requestsSection);\n        }\n\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return 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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_contacts_section_contacts.min.js b/message/amd/build/message_drawer_view_contacts_section_contacts.min.js
index 33bbb2b328f..abb750f659b 100644
--- a/message/amd/build/message_drawer_view_contacts_section_contacts.min.js
+++ b/message/amd/build/message_drawer_view_contacts_section_contacts.min.js
@@ -1,2 +1,11 @@
-define ("core_message/message_drawer_view_contacts_section_contacts",["jquery","core/notification","core/pubsub","core/templates","core_message/message_repository","core_message/message_drawer_events","core_message/message_drawer_lazy_load_list"],function(a,b,c,d,e,f,g){var h={BLOCK_ICON_CONTAINER:"[data-region=\"block-icon-container\"]",CONTACT:"[data-region=\"contact\"]",CONTENT_CONTAINER:"[data-region=\"contacts-content-container\"]"},i={CONTACTS_LIST:"core_message/message_drawer_contacts_list"},j=function(a,b){return a.find("[data-contact-user-id=\""+b+"\"]")},k=function(c,e){var f=e.map(function(b){return a.extend(b,{id:b.userid})});return d.render(i.CONTACTS_LIST,{contacts:f}).then(function(a){c.append(a);return a}).catch(b.exception)},l=function(a){return function(c,d){return e.getContacts(d,101,a).then(function(a){return a}).then(function(a){if(a.length>100){a.pop()}else{g.setLoadedAll(c,!0)}return a}).then(function(b){a=a+100;return b}).catch(b.exception)}},m=function(a,b){j(a,b).remove()},n=function(a,b){var c=j(a,b);if(c.length){c.find(h.BLOCK_ICON_CONTAINER).removeClass("hidden")}},o=function(a,b){var c=j(a,b);if(c.length){c.find(h.BLOCK_ICON_CONTAINER).addClass("hidden")}},p=function(a){c.subscribe(f.CONTACT_ADDED,function(b){var c=g.getContentContainer(a);k(c,[b]);g.hideEmptyMessage(a);g.showContent(a)});c.subscribe(f.CONTACT_REMOVED,function(b){m(a,b);var c=a.find(h.CONTACT);if(!c.length){g.hideContent(a);g.showEmptyMessage(a)}});c.subscribe(f.CONTACT_BLOCKED,function(b){n(a,b)});c.subscribe(f.CONTACT_UNBLOCKED,function(b){o(a,b)})};return{show:function show(a){if(!a.attr("data-contacts-init")){p(a);a.attr("data-contacts-init",!0)}g.show(a,l(0),k)}}});
-//# sourceMappingURL=message_drawer_view_contacts_section_contacts.min.js.map
+/**
+ * Controls the contacts section of the contacts page.
+ *
+ * @module     core_message/message_drawer_view_contacts_section_contacts
+ * @package    message
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_contacts_section_contacts",["jquery","core/notification","core/pubsub","core/templates","core_message/message_repository","core_message/message_drawer_events","core_message/message_drawer_lazy_load_list"],(function($,Notification,PubSub,Templates,MessageRepository,Events,LazyLoadList){var SELECTORS_BLOCK_ICON_CONTAINER='[data-region="block-icon-container"]',SELECTORS_CONTACT='[data-region="contact"]',TEMPLATES_CONTACTS_LIST="core_message/message_drawer_contacts_list",findContact=function(body,userId){return body.find('[data-contact-user-id="'+userId+'"]')},render=function(contentContainer,contacts){var formattedContacts=contacts.map((function(contact){return $.extend(contact,{id:contact.userid})}));return Templates.render(TEMPLATES_CONTACTS_LIST,{contacts:formattedContacts}).then((function(html){return contentContainer.append(html),html})).catch(Notification.exception)},registerEventListeners=function(root){PubSub.subscribe(Events.CONTACT_ADDED,(function(profile){var listContentContainer=LazyLoadList.getContentContainer(root);render(listContentContainer,[profile]),LazyLoadList.hideEmptyMessage(root),LazyLoadList.showContent(root)})),PubSub.subscribe(Events.CONTACT_REMOVED,(function(userId){!function(body,userId){findContact(body,userId).remove()}(root,userId),root.find(SELECTORS_CONTACT).length||(LazyLoadList.hideContent(root),LazyLoadList.showEmptyMessage(root))})),PubSub.subscribe(Events.CONTACT_BLOCKED,(function(userId){!function(body,userId){var contact=findContact(body,userId);contact.length&&contact.find(SELECTORS_BLOCK_ICON_CONTAINER).removeClass("hidden")}(root,userId)})),PubSub.subscribe(Events.CONTACT_UNBLOCKED,(function(userId){!function(body,userId){var contact=findContact(body,userId);contact.length&&contact.find(SELECTORS_BLOCK_ICON_CONTAINER).addClass("hidden")}(root,userId)}))};return{show:function(root){var offset;root.attr("data-contacts-init")||(registerEventListeners(root),root.attr("data-contacts-init",!0)),LazyLoadList.show(root,(offset=0,function(listRoot,userId){return MessageRepository.getContacts(userId,101,offset).then((function(result){return result})).then((function(contacts){return contacts.length>100?contacts.pop():LazyLoadList.setLoadedAll(listRoot,!0),contacts})).then((function(contacts){return offset+=100,contacts})).catch(Notification.exception)}),render)}}}));
+
+//# sourceMappingURL=message_drawer_view_contacts_section_contacts.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_contacts_section_contacts.min.js.map b/message/amd/build/message_drawer_view_contacts_section_contacts.min.js.map
index 5d420f7cda3..8082bb8f642 100644
--- a/message/amd/build/message_drawer_view_contacts_section_contacts.min.js.map
+++ b/message/amd/build/message_drawer_view_contacts_section_contacts.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_drawer_view_contacts_section_contacts.js"],"names":["define","$","Notification","PubSub","Templates","MessageRepository","Events","LazyLoadList","SELECTORS","BLOCK_ICON_CONTAINER","CONTACT","CONTENT_CONTAINER","TEMPLATES","CONTACTS_LIST","findContact","body","userId","find","render","contentContainer","contacts","formattedContacts","map","contact","extend","id","userid","then","html","append","catch","exception","getLoadFunction","offset","listRoot","getContacts","result","length","pop","setLoadedAll","removeContact","remove","showContactBlocked","removeClass","showContactUnblocked","addClass","registerEventListeners","root","subscribe","CONTACT_ADDED","profile","listContentContainer","getContentContainer","hideEmptyMessage","showContent","CONTACT_REMOVED","hideContent","showEmptyMessage","CONTACT_BLOCKED","CONTACT_UNBLOCKED","show","attr"],"mappings":"AAuBAA,OAAM,8DACN,CACI,QADJ,CAEI,mBAFJ,CAGI,aAHJ,CAII,gBAJJ,CAKI,iCALJ,CAMI,oCANJ,CAOI,4CAPJ,CADM,CAUN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAMIC,CANJ,CAOIC,CAPJ,CAQE,IAKMC,CAAAA,CAAS,CAAG,CACZC,oBAAoB,CAAE,wCADV,CAEZC,OAAO,CAAE,2BAFG,CAGZC,iBAAiB,CAAE,8CAHP,CALlB,CAWMC,CAAS,CAAG,CACZC,aAAa,CAAE,2CADH,CAXlB,CAsBMC,CAAW,CAAG,SAASC,CAAT,CAAeC,CAAf,CAAuB,CACrC,MAAOD,CAAAA,CAAI,CAACE,IAAL,CAAU,2BAA4BD,CAA5B,CAAqC,KAA/C,CACV,CAxBH,CAiCME,CAAM,CAAG,SAASC,CAAT,CAA2BC,CAA3B,CAAqC,CAC9C,GAAIC,CAAAA,CAAiB,CAAGD,CAAQ,CAACE,GAAT,CAAa,SAASC,CAAT,CAAkB,CACnD,MAAOtB,CAAAA,CAAC,CAACuB,MAAF,CAASD,CAAT,CAAkB,CAACE,EAAE,CAAEF,CAAO,CAACG,MAAb,CAAlB,CACV,CAFuB,CAAxB,CAGA,MAAOtB,CAAAA,CAAS,CAACc,MAAV,CAAiBN,CAAS,CAACC,aAA3B,CAA0C,CAACO,QAAQ,CAAEC,CAAX,CAA1C,EACFM,IADE,CACG,SAASC,CAAT,CAAe,CACjBT,CAAgB,CAACU,MAAjB,CAAwBD,CAAxB,EACA,MAAOA,CAAAA,CACV,CAJE,EAKFE,KALE,CAKI5B,CAAY,CAAC6B,SALjB,CAMV,CA3CH,CAmDMC,CAAe,CAAG,SAASC,CAAT,CAAiB,CACnC,MAAO,UAASC,CAAT,CAAmBlB,CAAnB,CAA2B,CAC9B,MAAOX,CAAAA,CAAiB,CAAC8B,WAAlB,CAA8BnB,CAA9B,KAAmDiB,CAAnD,EACFN,IADE,CACG,SAASS,CAAT,CAAiB,CACnB,MAAOA,CAAAA,CACV,CAHE,EAIFT,IAJE,CAIG,SAASP,CAAT,CAAmB,CACrB,GAAIA,CAAQ,CAACiB,MAAT,IAAJ,CAA6B,CACzBjB,CAAQ,CAACkB,GAAT,EACH,CAFD,IAEO,CACH/B,CAAY,CAACgC,YAAb,CAA0BL,CAA1B,IACH,CACD,MAAOd,CAAAA,CACV,CAXE,EAYFO,IAZE,CAYG,SAASP,CAAT,CAAmB,CACrBa,CAAM,CAAGA,CAAM,IAAf,CACA,MAAOb,CAAAA,CACV,CAfE,EAgBFU,KAhBE,CAgBI5B,CAAY,CAAC6B,SAhBjB,CAiBV,CACJ,CAvEH,CA+EMS,CAAa,CAAG,SAASzB,CAAT,CAAeC,CAAf,CAAuB,CACvCF,CAAW,CAACC,CAAD,CAAOC,CAAP,CAAX,CAA0ByB,MAA1B,EACH,CAjFH,CAyFMC,CAAkB,CAAG,SAAS3B,CAAT,CAAeC,CAAf,CAAuB,CAC5C,GAAIO,CAAAA,CAAO,CAAGT,CAAW,CAACC,CAAD,CAAOC,CAAP,CAAzB,CACA,GAAIO,CAAO,CAACc,MAAZ,CAAoB,CAChBd,CAAO,CAACN,IAAR,CAAaT,CAAS,CAACC,oBAAvB,EAA6CkC,WAA7C,CAAyD,QAAzD,CACH,CACJ,CA9FH,CAsGMC,CAAoB,CAAG,SAAS7B,CAAT,CAAeC,CAAf,CAAuB,CAC9C,GAAIO,CAAAA,CAAO,CAAGT,CAAW,CAACC,CAAD,CAAOC,CAAP,CAAzB,CACA,GAAIO,CAAO,CAACc,MAAZ,CAAoB,CAChBd,CAAO,CAACN,IAAR,CAAaT,CAAS,CAACC,oBAAvB,EAA6CoC,QAA7C,CAAsD,QAAtD,CACH,CACJ,CA3GH,CAkHMC,CAAsB,CAAG,SAASC,CAAT,CAAe,CACxC5C,CAAM,CAAC6C,SAAP,CAAiB1C,CAAM,CAAC2C,aAAxB,CAAuC,SAASC,CAAT,CAAkB,CACrD,GAAIC,CAAAA,CAAoB,CAAG5C,CAAY,CAAC6C,mBAAb,CAAiCL,CAAjC,CAA3B,CACA7B,CAAM,CAACiC,CAAD,CAAuB,CAACD,CAAD,CAAvB,CAAN,CACA3C,CAAY,CAAC8C,gBAAb,CAA8BN,CAA9B,EACAxC,CAAY,CAAC+C,WAAb,CAAyBP,CAAzB,CACH,CALD,EAOA5C,CAAM,CAAC6C,SAAP,CAAiB1C,CAAM,CAACiD,eAAxB,CAAyC,SAASvC,CAAT,CAAiB,CACtDwB,CAAa,CAACO,CAAD,CAAO/B,CAAP,CAAb,CACA,GAAII,CAAAA,CAAQ,CAAG2B,CAAI,CAAC9B,IAAL,CAAUT,CAAS,CAACE,OAApB,CAAf,CAEA,GAAI,CAACU,CAAQ,CAACiB,MAAd,CAAsB,CAClB9B,CAAY,CAACiD,WAAb,CAAyBT,CAAzB,EACAxC,CAAY,CAACkD,gBAAb,CAA8BV,CAA9B,CACH,CACJ,CARD,EAUA5C,CAAM,CAAC6C,SAAP,CAAiB1C,CAAM,CAACoD,eAAxB,CAAyC,SAAS1C,CAAT,CAAiB,CACtD0B,CAAkB,CAACK,CAAD,CAAO/B,CAAP,CACrB,CAFD,EAIAb,CAAM,CAAC6C,SAAP,CAAiB1C,CAAM,CAACqD,iBAAxB,CAA2C,SAAS3C,CAAT,CAAiB,CACxD4B,CAAoB,CAACG,CAAD,CAAO/B,CAAP,CACvB,CAFD,CAGH,CA3IH,CA4JE,MAAO,CACH4C,IAAI,CAXG,QAAPA,CAAAA,IAAO,CAASb,CAAT,CAAe,CACtB,GAAI,CAACA,CAAI,CAACc,IAAL,CAAU,oBAAV,CAAL,CAAsC,CAClCf,CAAsB,CAACC,CAAD,CAAtB,CACAA,CAAI,CAACc,IAAL,CAAU,oBAAV,IACH,CAGDtD,CAAY,CAACqD,IAAb,CAAkBb,CAAlB,CAAwBf,CAAe,CAtJvB,CAsJuB,CAAvC,CAAwDd,CAAxD,CACH,CAEM,CAGV,CAjLK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the contacts section of the contacts page.\n *\n * @module     core_message/message_drawer_view_contacts_section_contacts\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/pubsub',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_lazy_load_list'\n],\nfunction(\n    $,\n    Notification,\n    PubSub,\n    Templates,\n    MessageRepository,\n    Events,\n    LazyLoadList\n) {\n\n    var limit = 100;\n    var initialOffset = 0;\n\n    var SELECTORS = {\n        BLOCK_ICON_CONTAINER: '[data-region=\"block-icon-container\"]',\n        CONTACT: '[data-region=\"contact\"]',\n        CONTENT_CONTAINER: '[data-region=\"contacts-content-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONTACTS_LIST: 'core_message/message_drawer_contacts_list'\n    };\n\n    /**\n     * Find a contact element.\n     *\n     * @param {Object} body Contacts body container element.\n     * @param {Number} userId User id of contact.\n     * @return {Object} contact element.\n     */\n    var findContact = function(body, userId) {\n        return body.find('[data-contact-user-id=\"' + userId + '\"]');\n    };\n\n    /**\n     * Render the contacts in the content container.\n     *\n     * @param {Object} contentContainer Content container element.\n     * @param {Array} contacts List of contacts.\n     * @return {Object} jQuery promise\n     */\n    var render = function(contentContainer, contacts) {\n        var formattedContacts = contacts.map(function(contact) {\n            return $.extend(contact, {id: contact.userid});\n        });\n        return Templates.render(TEMPLATES.CONTACTS_LIST, {contacts: formattedContacts})\n            .then(function(html) {\n                contentContainer.append(html);\n                return html;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Load the user contacts and call the renderer.\n     *\n     * @param {Number} offset The offset to use for loading contacts\n     * @return {Function} the callback.\n     */\n    var getLoadFunction = function(offset) {\n        return function(listRoot, userId) {\n            return MessageRepository.getContacts(userId, (limit + 1), offset)\n                .then(function(result) {\n                    return result;\n                })\n                .then(function(contacts) {\n                    if (contacts.length > limit) {\n                        contacts.pop();\n                    } else {\n                        LazyLoadList.setLoadedAll(listRoot, true);\n                    }\n                    return contacts;\n                })\n                .then(function(contacts) {\n                    offset = offset + limit;\n                    return contacts;\n                })\n                .catch(Notification.exception);\n        };\n    };\n\n    /**\n     * Remove contact from view.\n     *\n     * @param {Object} body Contacts body container element.\n     * @param {Number} userId Contact userid.\n     */\n    var removeContact = function(body, userId) {\n        findContact(body, userId).remove();\n    };\n\n    /**\n     * Show the contact has been blocked.\n     *\n     * @param {Object} body Contacts body container element.\n     * @param {Number} userId Contact userid.\n     */\n    var showContactBlocked = function(body, userId) {\n        var contact = findContact(body, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).removeClass('hidden');\n        }\n    };\n\n    /**\n     * Show the contact has been unblocked.\n     *\n     * @param {Object} body Contacts body container element.\n     * @param {Number} userId Contact userid.\n     */\n    var showContactUnblocked = function(body, userId) {\n        var contact = findContact(body, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).addClass('hidden');\n        }\n    };\n\n    /**\n     * Listen to and handle events for contacts.\n     *\n     * @param {Object} root Contacts section container element.\n     */\n    var registerEventListeners = function(root) {\n        PubSub.subscribe(Events.CONTACT_ADDED, function(profile) {\n            var listContentContainer = LazyLoadList.getContentContainer(root);\n            render(listContentContainer, [profile]);\n            LazyLoadList.hideEmptyMessage(root);\n            LazyLoadList.showContent(root);\n        });\n\n        PubSub.subscribe(Events.CONTACT_REMOVED, function(userId) {\n            removeContact(root, userId);\n            var contacts = root.find(SELECTORS.CONTACT);\n\n            if (!contacts.length) {\n                LazyLoadList.hideContent(root);\n                LazyLoadList.showEmptyMessage(root);\n            }\n        });\n\n        PubSub.subscribe(Events.CONTACT_BLOCKED, function(userId) {\n            showContactBlocked(root, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_UNBLOCKED, function(userId) {\n            showContactUnblocked(root, userId);\n        });\n    };\n\n    /**\n     * Setup the contacts section.\n     *\n     * @param {Object} root Contacts section container.\n     */\n    var show = function(root) {\n        if (!root.attr('data-contacts-init')) {\n            registerEventListeners(root);\n            root.attr('data-contacts-init', true);\n        }\n\n        // The root element is already the lazy loaded list root.\n        LazyLoadList.show(root, getLoadFunction(initialOffset), render);\n    };\n\n    return {\n        show: show,\n    };\n});\n"],"file":"message_drawer_view_contacts_section_contacts.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_contacts_section_contacts.min.js","sources":["../src/message_drawer_view_contacts_section_contacts.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the contacts section of the contacts page.\n *\n * @module     core_message/message_drawer_view_contacts_section_contacts\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/pubsub',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_lazy_load_list'\n],\nfunction(\n    $,\n    Notification,\n    PubSub,\n    Templates,\n    MessageRepository,\n    Events,\n    LazyLoadList\n) {\n\n    var limit = 100;\n    var initialOffset = 0;\n\n    var SELECTORS = {\n        BLOCK_ICON_CONTAINER: '[data-region=\"block-icon-container\"]',\n        CONTACT: '[data-region=\"contact\"]',\n        CONTENT_CONTAINER: '[data-region=\"contacts-content-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONTACTS_LIST: 'core_message/message_drawer_contacts_list'\n    };\n\n    /**\n     * Find a contact element.\n     *\n     * @param {Object} body Contacts body container element.\n     * @param {Number} userId User id of contact.\n     * @return {Object} contact element.\n     */\n    var findContact = function(body, userId) {\n        return body.find('[data-contact-user-id=\"' + userId + '\"]');\n    };\n\n    /**\n     * Render the contacts in the content container.\n     *\n     * @param {Object} contentContainer Content container element.\n     * @param {Array} contacts List of contacts.\n     * @return {Object} jQuery promise\n     */\n    var render = function(contentContainer, contacts) {\n        var formattedContacts = contacts.map(function(contact) {\n            return $.extend(contact, {id: contact.userid});\n        });\n        return Templates.render(TEMPLATES.CONTACTS_LIST, {contacts: formattedContacts})\n            .then(function(html) {\n                contentContainer.append(html);\n                return html;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Load the user contacts and call the renderer.\n     *\n     * @param {Number} offset The offset to use for loading contacts\n     * @return {Function} the callback.\n     */\n    var getLoadFunction = function(offset) {\n        return function(listRoot, userId) {\n            return MessageRepository.getContacts(userId, (limit + 1), offset)\n                .then(function(result) {\n                    return result;\n                })\n                .then(function(contacts) {\n                    if (contacts.length > limit) {\n                        contacts.pop();\n                    } else {\n                        LazyLoadList.setLoadedAll(listRoot, true);\n                    }\n                    return contacts;\n                })\n                .then(function(contacts) {\n                    offset = offset + limit;\n                    return contacts;\n                })\n                .catch(Notification.exception);\n        };\n    };\n\n    /**\n     * Remove contact from view.\n     *\n     * @param {Object} body Contacts body container element.\n     * @param {Number} userId Contact userid.\n     */\n    var removeContact = function(body, userId) {\n        findContact(body, userId).remove();\n    };\n\n    /**\n     * Show the contact has been blocked.\n     *\n     * @param {Object} body Contacts body container element.\n     * @param {Number} userId Contact userid.\n     */\n    var showContactBlocked = function(body, userId) {\n        var contact = findContact(body, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).removeClass('hidden');\n        }\n    };\n\n    /**\n     * Show the contact has been unblocked.\n     *\n     * @param {Object} body Contacts body container element.\n     * @param {Number} userId Contact userid.\n     */\n    var showContactUnblocked = function(body, userId) {\n        var contact = findContact(body, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).addClass('hidden');\n        }\n    };\n\n    /**\n     * Listen to and handle events for contacts.\n     *\n     * @param {Object} root Contacts section container element.\n     */\n    var registerEventListeners = function(root) {\n        PubSub.subscribe(Events.CONTACT_ADDED, function(profile) {\n            var listContentContainer = LazyLoadList.getContentContainer(root);\n            render(listContentContainer, [profile]);\n            LazyLoadList.hideEmptyMessage(root);\n            LazyLoadList.showContent(root);\n        });\n\n        PubSub.subscribe(Events.CONTACT_REMOVED, function(userId) {\n            removeContact(root, userId);\n            var contacts = root.find(SELECTORS.CONTACT);\n\n            if (!contacts.length) {\n                LazyLoadList.hideContent(root);\n                LazyLoadList.showEmptyMessage(root);\n            }\n        });\n\n        PubSub.subscribe(Events.CONTACT_BLOCKED, function(userId) {\n            showContactBlocked(root, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_UNBLOCKED, function(userId) {\n            showContactUnblocked(root, userId);\n        });\n    };\n\n    /**\n     * Setup the contacts section.\n     *\n     * @param {Object} root Contacts section container.\n     */\n    var show = function(root) {\n        if (!root.attr('data-contacts-init')) {\n            registerEventListeners(root);\n            root.attr('data-contacts-init', true);\n        }\n\n        // The root element is already the lazy loaded list root.\n        LazyLoadList.show(root, getLoadFunction(initialOffset), render);\n    };\n\n    return {\n        show: show,\n    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diff --git a/message/amd/build/message_drawer_view_contacts_section_requests.min.js b/message/amd/build/message_drawer_view_contacts_section_requests.min.js
index d892769cbc1..a8a1a185202 100644
--- a/message/amd/build/message_drawer_view_contacts_section_requests.min.js
+++ b/message/amd/build/message_drawer_view_contacts_section_requests.min.js
@@ -1,2 +1,11 @@
-define ("core_message/message_drawer_view_contacts_section_requests",["jquery","core/notification","core/pubsub","core/templates","core_message/message_repository","core_message/message_drawer_events","core_message/message_drawer_lazy_load_list"],function(a,b,c,d,e,f,g){var h={CONTACT_REQUEST:"[data-region=\"contact-request\"]"},i={REQUESTS_LIST:"core_message/message_drawer_view_contacts_body_section_requests_list"},j=function(a,c){var e=c.map(function(a){return{id:a.id,profileimageurl:a.profileimageurl,fullname:a.fullname}});return d.render(i.REQUESTS_LIST,{requests:e}).then(function(b){a.append(b);return b}).catch(b.exception)},k=function(a,c){return e.getContactRequests(c).then(function(b){g.setLoadedAll(a,!0);return b}).catch(b.exception)},l=function(a){return function(b){a.find("[data-request-id=\""+b.userid+"\"]").remove();var c=a.find(h.CONTACT_REQUEST);if(!c.length){g.showEmptyMessage(a);g.hideContent(a)}}},m=function(a){c.subscribe(f.CONTACT_REQUEST_ACCEPTED,l(a));c.subscribe(f.CONTACT_REQUEST_DECLINED,l(a))};return{show:function show(a){if(!a.attr("data-contacts-init")){m(a);a.attr("data-contacts-init",!0)}g.show(a,k,j)}}});
-//# sourceMappingURL=message_drawer_view_contacts_section_requests.min.js.map
+/**
+ * Controls the requests section of the contacts page.
+ *
+ * @module     core_message/message_drawer_view_contacts_section_requests
+ * @package    message
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_contacts_section_requests",["jquery","core/notification","core/pubsub","core/templates","core_message/message_repository","core_message/message_drawer_events","core_message/message_drawer_lazy_load_list"],(function($,Notification,PubSub,Templates,MessageRepository,MessageDrawerEvents,LazyLoadList){var SELECTORS_CONTACT_REQUEST='[data-region="contact-request"]',TEMPLATES_REQUESTS_LIST="core_message/message_drawer_view_contacts_body_section_requests_list",render=function(contentContainer,requests){var formattedRequests=requests.map((function(request){return{id:request.id,profileimageurl:request.profileimageurl,fullname:request.fullname}}));return Templates.render(TEMPLATES_REQUESTS_LIST,{requests:formattedRequests}).then((function(html){return contentContainer.append(html),html})).catch(Notification.exception)},load=function(listRoot,userId){return MessageRepository.getContactRequests(userId).then((function(requests){return LazyLoadList.setLoadedAll(listRoot,!0),requests})).catch(Notification.exception)},handleContactRequestProcessed=function(root){return function(request){root.find('[data-request-id="'+request.userid+'"]').remove(),root.find(SELECTORS_CONTACT_REQUEST).length||(LazyLoadList.showEmptyMessage(root),LazyLoadList.hideContent(root))}};return{show:function(root){root.attr("data-contacts-init")||(!function(root){PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED,handleContactRequestProcessed(root)),PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED,handleContactRequestProcessed(root))}(root),root.attr("data-contacts-init",!0)),LazyLoadList.show(root,load,render)}}}));
+
+//# sourceMappingURL=message_drawer_view_contacts_section_requests.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_contacts_section_requests.min.js.map b/message/amd/build/message_drawer_view_contacts_section_requests.min.js.map
index 1254da0114b..5bb09744e73 100644
--- a/message/amd/build/message_drawer_view_contacts_section_requests.min.js.map
+++ b/message/amd/build/message_drawer_view_contacts_section_requests.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the requests section of the contacts page.\n *\n * @module     core_message/message_drawer_view_contacts_section_requests\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/pubsub',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_lazy_load_list'\n],\nfunction(\n    $,\n    Notification,\n    PubSub,\n    Templates,\n    MessageRepository,\n    MessageDrawerEvents,\n    LazyLoadList\n) {\n\n    var SELECTORS = {\n        CONTACT_REQUEST: '[data-region=\"contact-request\"]'\n    };\n\n    var TEMPLATES = {\n        REQUESTS_LIST: 'core_message/message_drawer_view_contacts_body_section_requests_list'\n    };\n\n    /**\n     * Render the requests in the content container.\n     *\n     * @param {Object} contentContainer List container element.\n     * @param {Array} requests List of requests.\n     * @return {Object} jQuery promise\n     */\n    var render = function(contentContainer, requests) {\n        var formattedRequests = requests.map(function(request) {\n            return {\n                // This is actually the user id.\n                id: request.id,\n                profileimageurl: request.profileimageurl,\n                fullname: request.fullname\n            };\n        });\n        return Templates.render(TEMPLATES.REQUESTS_LIST, {requests: formattedRequests})\n            .then(function(html) {\n                contentContainer.append(html);\n                return html;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Load the user contacts and call the renderer.\n     *\n     * @param {Object} listRoot The lazy loaded list root element\n     * @param {Integer} userId The logged in user id.\n     * @return {Object} jQuery promise\n     */\n    var load = function(listRoot, userId) {\n        return MessageRepository.getContactRequests(userId)\n            .then(function(requests) {\n                LazyLoadList.setLoadedAll(listRoot, true);\n                return requests;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Handle when a contact request is accepted or declined by removing the contact\n     * list from the page.\n     *\n     * @param {Object} root The section root element\n     * @return {Function} The event handler function\n     */\n    var handleContactRequestProcessed = function(root) {\n        return function(request) {\n            root.find('[data-request-id=\"' + request.userid + '\"]').remove();\n            var contactRequests = root.find(SELECTORS.CONTACT_REQUEST);\n\n            if (!contactRequests.length) {\n                LazyLoadList.showEmptyMessage(root);\n                LazyLoadList.hideContent(root);\n            }\n        };\n    };\n\n    /**\n     * Listen for any events that might affect the requests section.\n     *\n     * @param {Object} root The section root element\n     */\n    var registerEventListeners = function(root) {\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, handleContactRequestProcessed(root));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, handleContactRequestProcessed(root));\n    };\n\n    /**\n     * Setup the requests section.\n     *\n     * @param {Object} root Requests section container.\n     */\n    var show = function(root) {\n        if (!root.attr('data-contacts-init')) {\n            registerEventListeners(root);\n            root.attr('data-contacts-init', true);\n        }\n\n        // The root element is already the lazy loaded list root.\n        LazyLoadList.show(root, load, render);\n    };\n\n    return {\n        show: show,\n    };\n});\n"],"file":"message_drawer_view_contacts_section_requests.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_contacts_section_requests.min.js","sources":["../src/message_drawer_view_contacts_section_requests.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the requests section of the contacts page.\n *\n * @module     core_message/message_drawer_view_contacts_section_requests\n * @package    message\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/pubsub',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_lazy_load_list'\n],\nfunction(\n    $,\n    Notification,\n    PubSub,\n    Templates,\n    MessageRepository,\n    MessageDrawerEvents,\n    LazyLoadList\n) {\n\n    var SELECTORS = {\n        CONTACT_REQUEST: '[data-region=\"contact-request\"]'\n    };\n\n    var TEMPLATES = {\n        REQUESTS_LIST: 'core_message/message_drawer_view_contacts_body_section_requests_list'\n    };\n\n    /**\n     * Render the requests in the content container.\n     *\n     * @param {Object} contentContainer List container element.\n     * @param {Array} requests List of requests.\n     * @return {Object} jQuery promise\n     */\n    var render = function(contentContainer, requests) {\n        var formattedRequests = requests.map(function(request) {\n            return {\n                // This is actually the user id.\n                id: request.id,\n                profileimageurl: request.profileimageurl,\n                fullname: request.fullname\n            };\n        });\n        return Templates.render(TEMPLATES.REQUESTS_LIST, {requests: formattedRequests})\n            .then(function(html) {\n                contentContainer.append(html);\n                return html;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Load the user contacts and call the renderer.\n     *\n     * @param {Object} listRoot The lazy loaded list root element\n     * @param {Integer} userId The logged in user id.\n     * @return {Object} jQuery promise\n     */\n    var load = function(listRoot, userId) {\n        return MessageRepository.getContactRequests(userId)\n            .then(function(requests) {\n                LazyLoadList.setLoadedAll(listRoot, true);\n                return requests;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Handle when a contact request is accepted or declined by removing the contact\n     * list from the page.\n     *\n     * @param {Object} root The section root element\n     * @return {Function} The event handler function\n     */\n    var handleContactRequestProcessed = function(root) {\n        return function(request) {\n            root.find('[data-request-id=\"' + request.userid + '\"]').remove();\n            var contactRequests = root.find(SELECTORS.CONTACT_REQUEST);\n\n            if (!contactRequests.length) {\n                LazyLoadList.showEmptyMessage(root);\n                LazyLoadList.hideContent(root);\n            }\n        };\n    };\n\n    /**\n     * Listen for any events that might affect the requests section.\n     *\n     * @param {Object} root The section root element\n     */\n    var registerEventListeners = function(root) {\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, handleContactRequestProcessed(root));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, handleContactRequestProcessed(root));\n    };\n\n    /**\n     * Setup the requests section.\n     *\n     * @param {Object} root Requests section container.\n     */\n    var show = function(root) {\n        if (!root.attr('data-contacts-init')) {\n            registerEventListeners(root);\n            root.attr('data-contacts-init', true);\n        }\n\n        // The root element is already the lazy loaded list root.\n        LazyLoadList.show(root, load, render);\n    };\n\n    return {\n        show: show,\n    };\n});\n"],"names":["define","$","Notification","PubSub","Templates","MessageRepository","MessageDrawerEvents","LazyLoadList","SELECTORS","TEMPLATES","render","contentContainer","requests","formattedRequests","map","request","id","profileimageurl","fullname","then","html","append","catch","exception","load","listRoot","userId","getContactRequests","setLoadedAll","handleContactRequestProcessed","root","find","userid","remove","length","showEmptyMessage","hideContent","show","attr","subscribe","CONTACT_REQUEST_ACCEPTED","CONTACT_REQUEST_DECLINED","registerEventListeners"],"mappings":";;;;;;;;AAuBAA,oEACA,CACI,SACA,oBACA,cACA,iBACA,kCACA,qCACA,+CAEJ,SACIC,EACAC,aACAC,OACAC,UACAC,kBACAC,oBACAC,kBAGIC,0BACiB,kCAGjBC,wBACe,uEAUfC,OAAS,SAASC,iBAAkBC,cAChCC,kBAAoBD,SAASE,KAAI,SAASC,eACnC,CAEHC,GAAID,QAAQC,GACZC,gBAAiBF,QAAQE,gBACzBC,SAAUH,QAAQG,oBAGnBd,UAAUM,OAAOD,wBAAyB,CAACG,SAAUC,oBACvDM,MAAK,SAASC,aACXT,iBAAiBU,OAAOD,MACjBA,QAEVE,MAAMpB,aAAaqB,YAUxBC,KAAO,SAASC,SAAUC,eACnBrB,kBAAkBsB,mBAAmBD,QACvCP,MAAK,SAASP,iBACXL,aAAaqB,aAAaH,UAAU,GAC7Bb,YAEVU,MAAMpB,aAAaqB,YAUxBM,8BAAgC,SAASC,aAClC,SAASf,SACZe,KAAKC,KAAK,qBAAuBhB,QAAQiB,OAAS,MAAMC,SAClCH,KAAKC,KAAKvB,2BAEX0B,SACjB3B,aAAa4B,iBAAiBL,MAC9BvB,aAAa6B,YAAYN,eA8B9B,CACHO,KAXO,SAASP,MACXA,KAAKQ,KAAK,yBAXU,SAASR,MAClC3B,OAAOoC,UAAUjC,oBAAoBkC,yBAA0BX,8BAA8BC,OAC7F3B,OAAOoC,UAAUjC,oBAAoBmC,yBAA0BZ,8BAA8BC,OAUzFY,CAAuBZ,MACvBA,KAAKQ,KAAK,sBAAsB,IAIpC/B,aAAa8B,KAAKP,KAAMN,KAAMd"}
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation.min.js b/message/amd/build/message_drawer_view_conversation.min.js
index 106d9615496..e00cb10f777 100644
--- a/message/amd/build/message_drawer_view_conversation.min.js
+++ b/message/amd/build/message_drawer_view_conversation.min.js
@@ -1,2 +1,42 @@
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l=!1,m=j(i),c=o.find(y.EMOJI_PICKER),E=o.find(y.EMOJI_AUTO_COMPLETE_CONTAINER),v=o.find(y.MESSAGE_TEXT_AREA),f=[[y.ACTION_REQUEST_BLOCK,Me(Z)],[y.ACTION_REQUEST_UNBLOCK,Me(ee)],[y.ACTION_REQUEST_ADD_CONTACT,Me(ae)],[y.ACTION_REQUEST_REMOVE_CONTACT,Me(te)],[y.ACTION_REQUEST_DELETE_CONVERSATION,Me(ce)],[y.ACTION_CANCEL_EDIT_MODE,Re],[y.ACTION_VIEW_CONTACT,Ue(t)],[y.ACTION_VIEW_GROUP_INFO,Be(t)],[y.ACTION_CONFIRM_FAVOURITE,Le],[y.ACTION_CONFIRM_MUTE,we],[y.ACTION_CONFIRM_UNFAVOURITE,De],[y.ACTION_CONFIRM_UNMUTE,ye]],T=[[y.ACTION_CANCEL_CONFIRM,Me(Ee)],[y.ACTION_CONFIRM_BLOCK,Me($)],[y.ACTION_CONFIRM_UNBLOCK,Me(se)],[y.ACTION_CONFIRM_ADD_CONTACT,Me(de)],[y.ACTION_CONFIRM_REMOVE_CONTACT,Me(ne)],[y.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES,Me(me)],[y.ACTION_CONFIRM_DELETE_CONVERSATION,Me(_e)],[y.ACTION_OKAY_CONFIRM,Me(Ee)],[y.ACTION_REQUEST_ADD_CONTACT,Me(ae)],[y.ACTION_ACCEPT_CONTACT_REQUEST,Me(ue)],[y.ACTION_DECLINE_CONTACT_REQUEST,Me(Ce)],[y.MESSAGE,Ne],[y.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE,Pe],[y.RETRY_SEND,be]],p=[[y.SEND_MESSAGE_BUTTON,Se],[y.TOGGLE_EMOJI_PICKER_BUTTON,Fe],[y.ACTION_REQUEST_DELETE_SELECTED_MESSAGES,Me(le)],[y.ACTION_REQUEST_ADD_CONTACT,Me(ae)],[y.ACTION_REQUEST_UNBLOCK,Me(ee)]];e.init(o);if(E.length){C(E[0],v[0],function(e){var s=_.setShowEmojiAutoComplete(h,e);R(s)},function(e){var s=_.setShowEmojiAutoComplete(h,!1);R(s);v.focus();var t=v.prop("selectionStart"),n=v.val(),a=n.substring(0,t).replace(/\S*$/,""),d=n.substring(t).replace(/^\S*/,"");v.val(a+e+d);v.prop("selectionStart",a.length+e.length);v.prop("selectionEnd",a.length+e.length)})}if(c.length){I(c[0],function(e){var s=_.setShowEmojiPicker(h,!h.showEmojiPicker);R(s);v.focus();var t=v.prop("selectionStart"),n=v.val(),a=n.substring(0,t),d=n.substring(t,n.length);v.val(a+e+d);v.prop("selectionStart",t+e.length);v.prop("selectionEnd",t+e.length)})}n.define(d,[n.events.activate]);n.define(i,[n.events.activate]);n.define(o,[n.events.activate,n.events.enter,n.events.escape]);n.define(m,[n.events.scrollTop,n.events.scrollLock]);m.on(n.events.scrollTop,function(s,e){var t=1<Object.keys(h.members).length;if(!M&&!l&&!G()&&t){l=!0;var n=_.setLoadingMessages(h,!0);R(n);Y(h.id,D,V(),L,[]).then(function(){l=!1;x(V()+D)}).catch(function(e){l=!1;a.exception(e)})}e.originalEvent.preventDefault()});f.forEach(function(e){var s=e[0],t=e[1];d.on(n.events.activate,s,t)});T.forEach(function(e){var s=e[0],t=e[1];i.on(n.events.activate,s,t)});p.forEach(function(e){var s=e[0],t=e[1];o.on(n.events.activate,s,t)});o.on(n.events.enter,y.MESSAGE_TEXT_AREA,function(s,e){var t=o.attr("data-enter-to-send");if(t&&"false"!=t&&"0"!=t){Se(s,e)}});o.on(n.events.escape,y.EMOJI_PICKER_CONTAINER,Fe);s(document.body).on("click",ke);r.subscribe(g.ROUTE_CHANGED,function(e){if(A){if(e.route!=u.VIEW_CONVERSATION){A.stop()}}})},xe=function(e){if(A){A.stop()}A=new t(H(e,L),t.getIncrementalCallback(h.messagePollMin*w,w,h.messagePollMax*w,h.messagePollAfterMax*w));A.start()},Ge=function(e,s,t){if(A){A.stop()}f=!1;T=0;A=null;p=!1;O=[];M=!0;S=!1;N=!1;b=[];var n=t.id,a=parseInt(e.attr("data-midnight"),10),d=parseInt(e.attr("data-message-poll-min"),10),r=parseInt(e.attr("data-message-poll-max"),10),i=parseInt(e.attr("data-message-poll-after-max"),10),o=_.buildInitialState(a,n,s,d,r,i);if(!h){h=o}R(o)},qe=function(e,s,t){Ge(e,null,s);var n=null;if(s.id!=t){n=o.getConversationBetweenUsers(s.id,t,!0,!0,0,0,D,0,L)}else{n=o.getSelfConversation(s.id,D,0,L)}return n.then(function(t){return Ke(e,t,s)}).catch(function(){return Q(s,t)})},je=function(e,t,n){var a=null;if(t in v){a=v[t]}Ge(e,t,n);var d=s.Deferred().resolve({}).promise();if(a){var r=a.state;r=_.setLoadingMessages(r,!1);r=_.setLoadingMembers(r,!1);x(a.messagesOffset);q(a.loadedAllMessages);R(r)}else{d=J(t,n,D,0,L)}return d.then(function(){return xe(t)})},Ke=function(e,t,n){var a=null;if(t.id in v){a=v[t.id]}Ge(e,t.id,n);var d=s.Deferred().resolve({}).promise();if(a){var r=a.state;r=_.setLoadingMessages(r,!1);r=_.setLoadingMembers(r,!1);x(a.messagesOffset);q(a.loadedAllMessages);R(r)}else{d=X(t,n,D,L)}return d.then(function(){return xe(t.id)})},Qe=function(e,t,n,d,r,i,o){var g=null,m=null;if(r&&null!==r&&"object"==_typeof(r)){g=r;m=parseInt(g.id,10)}else{g=null;m=parseInt(r,10);m=isNaN(m)?null:m}if(!m&&i&&o){m=F(o)}var c=!h||h.id!=m||o&&o!=B();if(!n.attr("data-init")){R=Oe(t,n,d,c);Ve(e,t,n,d);n.attr("data-init",!0)}if(c){var _=null,E=k(n);if(g){_=Ke(n,g,E,o)}else if(m){_=je(n,m,E,o)}else{_=qe(n,E,o)}return _.then(function(){M=!1;t.find(l.SELECTORS.CAN_RECEIVE_FOCUS).first().focus()}).catch(function(e){M=!1;a.exception(e)})}xe(m);if(h.type==P.PRIVATE&&i){var u=B();switch(i){case"block":return Z(u);case"unblock":return ee(u);case"add-contact":return ae(u);case"remove-contact":return te(u);}}return s.Deferred().resolve().promise()},We=function(){return i.get_string("messagedrawerviewconversation","core_message",h.name)};return{show:Qe,description:We}});
-//# sourceMappingURL=message_drawer_view_conversation.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * Controls the conversation page in the message drawer.
+ *
+ * This function handles all of the user actions that the user can take
+ * when interacting with the conversation page.
+ *
+ * It maintains a view state which is a data representation of the view
+ * and only operates on that data.
+ *
+ * The view state is immutable and should never be modified directly. Instead
+ * all changes to the view state should be done using the StateManager which
+ * will generate a new version of the view state with the requested changes.
+ *
+ * After any changes to the view state the module will call the render function
+ * to ask the renderer to update the UI.
+ *
+ * General rules for this module:
+ * 1.) Never modify viewState directly. All changes should be via the StateManager.
+ * 2.) Call render() with the new state when you want to update the UI
+ * 3.) Never modify the UI directly in this module. This module is only concerned
+ *     with the data in the view state.
+ *
+ * The general flow for a user interaction will be something like:
+ * User interaction: User clicks "confirm block" button to block the other user
+ *      1.) This module is hears the click
+ *      2.) This module sends a request to the server to block the user
+ *      3.) The server responds with the new user profile
+ *      4.) This module generates a new state using the StateManager with the updated
+ *          user profile.
+ *      5.) This module asks the Patcher to generate a patch from the current state and
+ *          the newly generated state. This patch tells the renderer what has changed
+ *          between the states.
+ *      6.) This module gives the Renderer the generated patch. The renderer updates
+ *          the UI with changes according to the patch.
+ *
+ * @module     core_message/message_drawer_view_conversation
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */}define("core_message/message_drawer_view_conversation",["jquery","core/auto_rows","core/backoff_timer","core/custom_interaction_events","core/notification","core/pending","core/pubsub","core/str","core_message/message_repository","core_message/message_drawer_events","core_message/message_drawer_view_conversation_constants","core_message/message_drawer_view_conversation_patcher","core_message/message_drawer_view_conversation_renderer","core_message/message_drawer_view_conversation_state_manager","core_message/message_drawer_router","core_message/message_drawer_routes","core/emoji/auto_complete","core/emoji/picker"],(function($,AutoRows,BackOffTimer,CustomEvents,Notification,Pending,PubSub,Str,Repository,MessageDrawerEvents,Constants,Patcher,Renderer,StateManager,MessageDrawerRouter,MessageDrawerRoutes,initialiseEmojiAutoComplete,initialiseEmojiPicker){var stateCache={},viewState=null,loadedAllMessages=!1,messagesOffset=0,newMessagesPollTimer=null,isRendering=!1,renderBuffer=[],isResetting=!0,isSendingMessage=!1,isDeletingConversationContent=!1,sendMessageBuffer=[],render=null,renderers=[],NEWEST_FIRST=Constants.NEWEST_MESSAGES_FIRST,LOAD_MESSAGE_LIMIT=Constants.LOAD_MESSAGE_LIMIT,MILLISECONDS_IN_SEC=Constants.MILLISECONDS_IN_SEC,SELECTORS=Constants.SELECTORS,CONVERSATION_TYPES=Constants.CONVERSATION_TYPES,getOtherUserId=function(){if(!viewState||viewState.type==CONVERSATION_TYPES.PUBLIC)return null;var loggedInUserId=viewState.loggedInUserId;if(viewState.type==CONVERSATION_TYPES.SELF)return loggedInUserId;var otherUserIds=Object.keys(viewState.members).filter((function(userId){return loggedInUserId!=userId}));return otherUserIds.length?otherUserIds[0]:null},getMessagesOffset=function(){return messagesOffset},setMessagesOffset=function(value){messagesOffset=value,stateCache[viewState.id].messagesOffset=value},hasLoadedAllMessages=function(){return loadedAllMessages},setLoadedAllMessages=function(value){loadedAllMessages=value,stateCache[viewState.id].loadedAllMessages=value},formatConversationForEvent=function(state){return{id:state.id,name:state.name,subname:state.subname,imageUrl:state.imageUrl,isFavourite:state.isFavourite,isMuted:state.isMuted,type:state.type,totalMemberCount:state.totalMemberCount,loggedInUserId:state.loggedInUserId,messages:state.messages.map((function(message){return $.extend({},message)})),members:Object.keys(state.members).map((function(id){var formattedMember=$.extend({},state.members[id]);return formattedMember.contactrequests=state.members[id].contactrequests.map((function(request){return $.extend({},request)})),formattedMember}))}},updateStateFromConversation=function(conversation,loggedInUserId){var otherUser=null;if(conversation.type==CONVERSATION_TYPES.PRIVATE){var otherUsers=conversation.members.filter((function(member){return member.id!=loggedInUserId}));otherUser=otherUsers.length?otherUsers[0]:null}else conversation.type==CONVERSATION_TYPES.SELF&&(otherUser=conversation.members[0]);var name=conversation.name,imageUrl=conversation.imageurl;conversation.type!=CONVERSATION_TYPES.PUBLIC&&(name=name||otherUser?otherUser.fullname:"",imageUrl=imageUrl||otherUser?otherUser.profileimageurl:"");var newState=StateManager.addMembers(viewState,conversation.members);return newState=StateManager.setName(newState,name),newState=StateManager.setSubname(newState,conversation.subname),newState=StateManager.setType(newState,conversation.type),newState=StateManager.setImageUrl(newState,imageUrl),newState=StateManager.setTotalMemberCount(newState,conversation.membercount),newState=StateManager.setIsFavourite(newState,conversation.isfavourite),newState=StateManager.setIsMuted(newState,conversation.ismuted),newState=StateManager.addMessages(newState,conversation.messages),newState=StateManager.setCanDeleteMessagesForAllUsers(newState,conversation.candeletemessagesforallusers)},loadMessages=function(conversationId,limit,offset,newestFirst,ignoreList,timeFrom){return Repository.getMessages(viewState.loggedInUserId,conversationId,limit?limit+1:limit,offset,newestFirst,timeFrom).then((function(result){return result.id!=viewState.id&&(result.messages=[],result.id in stateCache&&delete stateCache[result.id]),result})).then((function(result){return result.messages.length&&ignoreList.length&&(result.messages=result.messages.filter((function(message){return ignoreList.indexOf(parseInt(message.id,10))<0}))),result})).then((function(result){return limit?(result.messages.length>limit?result.messages=result.messages.slice(0,-1):setLoadedAllMessages(!0),result):result})).then((function(result){var membersToAdd=result.members.filter((function(member){return!(member.id in viewState.members)})),newState=StateManager.addMembers(viewState,membersToAdd);return newState=StateManager.addMessages(newState,result.messages),newState=StateManager.setLoadingMessages(newState,!1),render(newState).then((function(){return result}))})).catch((function(error){var newState=StateManager.setLoadingMessages(viewState,!1);throw render(newState),error}))},markConversationAsRead=function(conversationId){var loggedInUserId=viewState.loggedInUserId,pendingPromise=new Pending("core_message/message_drawer_view_conversation:markConversationAsRead");return Repository.markAllConversationMessagesAsRead(loggedInUserId,conversationId).then((function(){var newState=StateManager.markMessagesAsRead(viewState,viewState.messages);return PubSub.publish(MessageDrawerEvents.CONVERSATION_READ,conversationId),render(newState)})).then((function(result){return pendingPromise.resolve(),result}))},requestBlockUser=function(userId){cancelRequest(userId);var newState=StateManager.addPendingBlockUsersById(viewState,[userId]);render(newState)},blockUser=function(userId){var newState=StateManager.setLoadingConfirmAction(viewState,!0),pendingPromise=new Pending("core_message/message_drawer_view_conversation:blockUser");return render(newState),Repository.blockUser(viewState.loggedInUserId,userId).then((function(profile){var newState=StateManager.addMembers(viewState,[profile]);return newState=StateManager.removePendingBlockUsersById(newState,[userId]),newState=StateManager.setLoadingConfirmAction(newState,!1),PubSub.publish(MessageDrawerEvents.CONTACT_BLOCKED,userId),render(newState)})).then((function(result){return pendingPromise.resolve(),result}))},requestUnblockUser=function(userId){cancelRequest(userId);var newState=StateManager.addPendingUnblockUsersById(viewState,[userId]);render(newState)},unblockUser=function(userId){var newState=StateManager.setLoadingConfirmAction(viewState,!0),pendingPromise=new Pending("core_message/message_drawer_view_conversation:unblockUser");return render(newState),Repository.unblockUser(viewState.loggedInUserId,userId).then((function(profile){var newState=StateManager.addMembers(viewState,[profile]);return newState=StateManager.removePendingUnblockUsersById(newState,[userId]),newState=StateManager.setLoadingConfirmAction(newState,!1),PubSub.publish(MessageDrawerEvents.CONTACT_UNBLOCKED,userId),render(newState)})).then((function(result){return pendingPromise.resolve(),result}))},requestRemoveContact=function(userId){cancelRequest(userId);var newState=StateManager.addPendingRemoveContactsById(viewState,[userId]);render(newState)},removeContact=function(userId){var newState=StateManager.setLoadingConfirmAction(viewState,!0),pendingPromise=new Pending("core_message/message_drawer_view_conversation:removeContact");return render(newState),Repository.deleteContacts(viewState.loggedInUserId,[userId]).then((function(profiles){var newState=StateManager.addMembers(viewState,profiles);return newState=StateManager.removePendingRemoveContactsById(newState,[userId]),newState=StateManager.setLoadingConfirmAction(newState,!1),PubSub.publish(MessageDrawerEvents.CONTACT_REMOVED,userId),render(newState)})).then((function(result){return pendingPromise.resolve(),result}))},requestAddContact=function(userId){cancelRequest(userId);var newState=StateManager.addPendingAddContactsById(viewState,[userId]);render(newState)},addContact=function(userId){var newState=StateManager.setLoadingConfirmAction(viewState,!0),pendingPromise=new Pending("core_message/message_drawer_view_conversation:addContactRequests");return render(newState),Repository.createContactRequest(viewState.loggedInUserId,userId).then((function(response){if(!response.request)throw new Error(response.warnings[0].message);return response.request})).then((function(request){var newState=StateManager.removePendingAddContactsById(viewState,[userId]);return newState=StateManager.addContactRequests(newState,[request]),newState=StateManager.setLoadingConfirmAction(newState,!1),render(newState)})).then((function(result){return pendingPromise.resolve(),result}))},requestDeleteSelectedMessages=function(userId){var selectedMessageIds=viewState.selectedMessageIds;cancelRequest(userId);var newState=StateManager.addPendingDeleteMessagesById(viewState,selectedMessageIds);render(newState)},deleteSelectedMessages=function(){var pendingPromise=new Pending("core_message/message_drawer_view_conversation:deleteSelectedMessages"),messageIds=viewState.pendingDeleteMessageIds,sentMessages=viewState.messages.filter((function(message){return messageIds.indexOf(message.id)>=0&&("sent"==message.sendState||null===message.sendState)})),newState=StateManager.setLoadingConfirmAction(viewState,!0);render(newState);var deleteMessagesPromise=$.Deferred().resolve().promise();if(sentMessages.length){var sentMessageIds=sentMessages.map((function(message){return message.id}));deleteMessagesPromise=newState.deleteMessagesForAllUsers?Repository.deleteMessagesForAllUsers(viewState.loggedInUserId,sentMessageIds):Repository.deleteMessages(viewState.loggedInUserId,sentMessageIds)}return isDeletingConversationContent=!0,newMessagesPollTimer&&newMessagesPollTimer.stop(),deleteMessagesPromise.then((function(){var newState=StateManager.removeMessagesById(viewState,messageIds);newState=StateManager.removePendingDeleteMessagesById(newState,messageIds),newState=StateManager.removeSelectedMessagesById(newState,messageIds),newState=StateManager.setLoadingConfirmAction(newState,!1),newState=StateManager.setDeleteMessagesForAllUsers(newState,!1);var prevLastMessage=viewState.messages[viewState.messages.length-1],newLastMessage=newState.messages.length?newState.messages[newState.messages.length-1]:null;if(newLastMessage&&newLastMessage.id!=prevLastMessage.id){var conversation=formatConversationForEvent(newState);PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE,conversation)}else newState.messages.length||PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED,newState.id);return isDeletingConversationContent=!1,render(newState)})).then((function(result){return pendingPromise.resolve(),result})).catch(Notification.exception)},requestDeleteConversation=function(userId){cancelRequest(userId);var newState=StateManager.setPendingDeleteConversation(viewState,!0);render(newState)},deleteConversation=function(){var pendingPromise=new Pending("core_message/message_drawer_view_conversation:markConversationAsRead"),newState=StateManager.setLoadingConfirmAction(viewState,!0);return render(newState),isDeletingConversationContent=!0,newMessagesPollTimer&&newMessagesPollTimer.stop(),Repository.deleteConversation(viewState.loggedInUserId,viewState.id).then((function(){var newState=StateManager.removeMessages(viewState,viewState.messages);return newState=StateManager.removeSelectedMessagesById(newState,viewState.selectedMessageIds),newState=StateManager.setPendingDeleteConversation(newState,!1),newState=StateManager.setLoadingConfirmAction(newState,!1),PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED,newState.id),isDeletingConversationContent=!1,render(newState)})).then((function(result){return pendingPromise.resolve(),result}))},cancelRequest=function(userId){var pendingDeleteMessageIds=viewState.pendingDeleteMessageIds,newState=StateManager.removePendingAddContactsById(viewState,[userId]);newState=StateManager.removePendingRemoveContactsById(newState,[userId]),newState=StateManager.removePendingUnblockUsersById(newState,[userId]),newState=StateManager.removePendingBlockUsersById(newState,[userId]),newState=StateManager.removePendingDeleteMessagesById(newState,pendingDeleteMessageIds),newState=StateManager.setPendingDeleteConversation(newState,!1),newState=StateManager.setDeleteMessagesForAllUsers(newState,!1),render(newState)},acceptContactRequest=function(userId){var pendingPromise=new Pending("core_message/message_drawer_view_conversation:acceptContactRequest"),loggedInUserId=viewState.loggedInUserId,requests=viewState.members[userId].contactrequests.filter((function(request){return request.requesteduserid==loggedInUserId})),request=requests[0],newState=StateManager.setLoadingConfirmAction(viewState,!0);return render(newState),Repository.acceptContactRequest(userId,loggedInUserId).then((function(profile){var newState=StateManager.removeContactRequests(viewState,[request]);return newState=StateManager.addMembers(viewState,[profile]),newState=StateManager.setLoadingConfirmAction(newState,!1),render(newState)})).then((function(){PubSub.publish(MessageDrawerEvents.CONTACT_ADDED,viewState.members[userId]),PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED,request)})).then((function(result){return pendingPromise.resolve(),result}))},declineContactRequest=function(userId){var pendingPromise=new Pending("core_message/message_drawer_view_conversation:declineContactRequest"),loggedInUserId=viewState.loggedInUserId,requests=viewState.members[userId].contactrequests.filter((function(request){return request.requesteduserid==loggedInUserId})),request=requests[0],newState=StateManager.setLoadingConfirmAction(viewState,!0);return render(newState),Repository.declineContactRequest(userId,loggedInUserId).then((function(profile){var newState=StateManager.removeContactRequests(viewState,[request]);return newState=StateManager.addMembers(viewState,[profile]),newState=StateManager.setLoadingConfirmAction(newState,!1),render(newState)})).then((function(){PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_DECLINED,request)})).then((function(result){return pendingPromise.resolve(),result}))},processSendMessageBuffer=function processSendMessageBuffer(){if(!isSendingMessage&&sendMessageBuffer.length){var pendingPromise=new Pending("core_message/message_drawer_view_conversation:processSendMessageBuffer");isSendingMessage=!0;var messagesToSend=sendMessageBuffer.slice();sendMessageBuffer=[];var conversationId=viewState.id,newConversationId=null,messagesText=messagesToSend.map((function(message){return message.text})),messageIds=messagesToSend.map((function(message){return message.id})),sendMessagePromise=null,newCanDeleteMessagesForAllUsers=null;if(conversationId||viewState.type==CONVERSATION_TYPES.PUBLIC)sendMessagePromise=Repository.sendMessagesToConversation(conversationId,messagesText);else{var otherUserId=getOtherUserId();sendMessagePromise=Repository.sendMessagesToUser(otherUserId,messagesText).then((function(messages){return messages.length&&(newConversationId=parseInt(messages[0].conversationid,10),newCanDeleteMessagesForAllUsers=messages[0].candeletemessagesforallusers),messages}))}sendMessagePromise.then((function(messages){var newMessageIds=messages.map((function(message){return message.id})),data=[],selectedToRemove=[],selectedToAdd=[];messagesToSend.forEach((function(oldMessage,index){var newMessage=messages[index];data.push([oldMessage,newMessage]),viewState.selectedMessageIds.indexOf(oldMessage.id)>=0&&(selectedToRemove.push(oldMessage.id),selectedToAdd.push(newMessage.id))}));var newState=StateManager.updateMessages(viewState,data);newState=StateManager.setMessagesSendSuccessById(newState,newMessageIds),selectedToRemove.length&&(newState=StateManager.removeSelectedMessagesById(newState,selectedToRemove)),selectedToAdd.length&&(newState=StateManager.addSelectedMessagesById(newState,selectedToAdd));var conversation=formatConversationForEvent(newState);newState.id||(newState=StateManager.setId(newState,newConversationId),conversation.id=newConversationId,resetMessagePollTimer(newConversationId),PubSub.publish(MessageDrawerEvents.CONVERSATION_CREATED,conversation),newState=StateManager.setCanDeleteMessagesForAllUsers(newState,newCanDeleteMessagesForAllUsers)),render(newState),isSendingMessage=!1,processSendMessageBuffer(),PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE,conversation)})).then((function(result){return pendingPromise.resolve(),result})).catch((function(e){var errorMessage;errorMessage=e.message?$.Deferred().resolve(e.message).promise():Str.get_string("unknownerror","core");var handleFailedMessages=function(errorMessage){var newState=StateManager.setMessagesSendFailById(viewState,messageIds,errorMessage);render(newState),isSendingMessage=!1,processSendMessageBuffer()};errorMessage.then(handleFailedMessages).then((function(result){return pendingPromise.resolve(),result})).catch((function(e){var finalError=e.message||"Something went wrong!";handleFailedMessages(finalError)}))}))}},previewText=function(text){var plaintext=text.replace(/<style([\s\S]*?)<\/style>/gi,"");return(plaintext=(plaintext=(plaintext=(plaintext=(plaintext=(plaintext=(plaintext=(plaintext=(plaintext=plaintext.replace(/<script([\s\S]*?)<\/script>/gi,"")).replace(/<\/div>/gi,"\n")).replace(/<\/li>/gi,"\n")).replace(/<li>/gi,"  *  ")).replace(/<\/ul>/gi,"\n")).replace(/<\/p>/gi,"\n")).replace(/<br[^>]*>/gi,"\n")).replace(/<[^>]+>/gi,"")).replace(/\n+/gi,"\n")).replace(/\n/gi,"<br>")},processRenderBuffer=function processRenderBuffer(header,body,footer){if(!isRendering&&renderBuffer.length){isRendering=!0;var renderable=renderBuffer.shift(),renderPromises=renderers.map((function(renderFunc){return renderFunc(renderable.patch)}));$.when.apply(null,renderPromises).then((function(){isRendering=!1,renderable.deferred.resolve(!0),processRenderBuffer(header,body,footer)})).catch((function(error){isRendering=!1,renderable.deferred.reject(error),Notification.exception(error)}))}},generateRenderFunction=function(header,body,footer,isNewConversation){var rendererFunc=function(patch){return Renderer.render(header,body,footer,patch)};if(!isNewConversation){var initialState=StateManager.buildInitialState(viewState.midnight,viewState.loggedInUserId,viewState.id);rendererFunc(Patcher.buildPatch(initialState,viewState))}return renderers.push(rendererFunc),function(newState){var patch=Patcher.buildPatch(viewState,newState),deferred=$.Deferred();return Object.keys(patch).length?renderBuffer.push({patch:patch,deferred:deferred}):deferred.resolve(!0),viewState=newState,newState.id&&(stateCache[newState.id]={state:newState,messagesOffset:getMessagesOffset(),loadedAllMessages:hasLoadedAllMessages()}),processRenderBuffer(header,body,footer),deferred.promise()}},generateConfirmActionHandler=function(actionCallback){return function(e,data){if(!viewState.loadingConfirmAction){actionCallback(getOtherUserId());var newState=StateManager.setLoadingConfirmAction(viewState,!1);render(newState)}data.originalEvent.preventDefault()}},handleSendMessage=function(e,data){var textArea=$(e.target).closest(SELECTORS.FOOTER_CONTAINER).find(SELECTORS.MESSAGE_TEXT_AREA),text=textArea.val().trim();""!==text&&(!function(text){var id="temp"+Date.now(),loadingmessage={id:id,useridfrom:viewState.loggedInUserId,text:previewText(text),timecreated:null},newState=StateManager.addMessages(viewState,[loadingmessage]);render(newState);var message={id:id,useridfrom:viewState.loggedInUserId,text:text,timecreated:null};sendMessageBuffer.push(message),processSendMessageBuffer()}(text),textArea.val(""),textArea.focus()),data.originalEvent.preventDefault()},handleSelectMessage=function(e,data){var selection=window.getSelection(),target=$(e.target);""==selection.toString()&&(target.is("a")||(!function(messageId){var newState=viewState;newState=viewState.selectedMessageIds.indexOf(messageId)>-1?StateManager.removeSelectedMessagesById(viewState,[messageId]):StateManager.addSelectedMessagesById(viewState,[messageId]),render(newState)}(target.closest(SELECTORS.MESSAGE).attr("data-message-id")),data.originalEvent.preventDefault()))},handleRetrySendMessage=function(e,data){var messageId=$(e.target).closest(SELECTORS.MESSAGE).attr("data-message-id"),messages=viewState.messages.filter((function(message){return message.id==messageId})),message=messages.length?messages[0]:null;message&&function(message){var newState=StateManager.setMessagesSendPendingById(viewState,[message.id]);render(newState),sendMessageBuffer.push(message),processSendMessageBuffer()}(message),data.originalEvent.preventDefault(),data.originalEvent.stopPropagation(),e.stopPropagation()},handleCancelEditMode=function(e,data){!function(){cancelRequest(getOtherUserId());var newState=StateManager.removeSelectedMessagesById(viewState,viewState.selectedMessageIds);render(newState)}(),data.originalEvent.preventDefault()},generateHandleViewContact=function(namespace){return function(e,data){var otherUserId=getOtherUserId(),otherUser=viewState.members[otherUserId];MessageDrawerRouter.go(namespace,MessageDrawerRoutes.VIEW_CONTACT,otherUser),data.originalEvent.preventDefault()}},handleSetFavourite=function(e,data){var userId,conversationId,pendingPromise;(userId=viewState.loggedInUserId,conversationId=viewState.id,pendingPromise=new Pending("core_message/message_drawer_view_conversation:setFavourite"),Repository.setFavouriteConversations(userId,[conversationId]).then((function(){var newState=StateManager.setIsFavourite(viewState,!0);return render(newState)})).then((function(){return PubSub.publish(MessageDrawerEvents.CONVERSATION_SET_FAVOURITE,formatConversationForEvent(viewState))})).then((function(result){return pendingPromise.resolve(),result}))).catch(Notification.exception),data.originalEvent.preventDefault()},handleUnsetFavourite=function(e,data){var userId,conversationId,pendingPromise;(userId=viewState.loggedInUserId,conversationId=viewState.id,pendingPromise=new Pending("core_message/message_drawer_view_conversation:unsetFavourite"),Repository.unsetFavouriteConversations(userId,[conversationId]).then((function(){var newState=StateManager.setIsFavourite(viewState,!1);return render(newState)})).then((function(){return PubSub.publish(MessageDrawerEvents.CONVERSATION_UNSET_FAVOURITE,formatConversationForEvent(viewState))})).then((function(result){return pendingPromise.resolve(),result}))).catch(Notification.exception),data.originalEvent.preventDefault()},handleSetMuted=function(e,data){var userId,conversationId,pendingPromise;(userId=viewState.loggedInUserId,conversationId=viewState.id,pendingPromise=new Pending("core_message/message_drawer_view_conversation:markConversationAsRead"),Repository.setMutedConversations(userId,[conversationId]).then((function(){var newState=StateManager.setIsMuted(viewState,!0);return render(newState)})).then((function(){return PubSub.publish(MessageDrawerEvents.CONVERSATION_SET_MUTED,formatConversationForEvent(viewState))})).then((function(result){return pendingPromise.resolve(),result}))).catch(Notification.exception),data.originalEvent.preventDefault()},handleUnsetMuted=function(e,data){var userId,conversationId;(userId=viewState.loggedInUserId,conversationId=viewState.id,Repository.unsetMutedConversations(userId,[conversationId]).then((function(){var newState=StateManager.setIsMuted(viewState,!1);return render(newState)})).then((function(){return PubSub.publish(MessageDrawerEvents.CONVERSATION_UNSET_MUTED,formatConversationForEvent(viewState))}))).catch(Notification.exception),data.originalEvent.preventDefault()},handleDeleteMessagesForAllUsersToggle=function(e){var newValue=$(e.target).prop("checked"),newState=StateManager.setDeleteMessagesForAllUsers(viewState,newValue);render(newState)},generateHandleViewGroupInfo=function(namespace){return function(e,data){MessageDrawerRouter.go(namespace,MessageDrawerRoutes.VIEW_GROUP_INFO,{id:viewState.id,name:viewState.name,subname:viewState.subname,imageUrl:viewState.imageUrl,totalMemberCount:viewState.totalMemberCount},viewState.loggedInUserId),data.originalEvent.preventDefault()}},handleToggleEmojiPicker=function(e,data){var newState=StateManager.setShowEmojiPicker(viewState,!viewState.showEmojiPicker);render(newState),data.originalEvent.preventDefault()},handleCloseEmojiPicker=function(e){var target=$(e.target);if(viewState.showEmojiPicker&&!target.closest(SELECTORS.EMOJI_PICKER_CONTAINER).length&&!target.closest(SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON).length){var newState=StateManager.setShowEmojiPicker(viewState,!1);render(newState)}},registerEventListeners=function(namespace,header,body,footer){var isLoadingMoreMessages=!1,messagesContainer=function(body){return body.find(SELECTORS.MESSAGES_CONTAINER)}(body),emojiPickerElement=footer.find(SELECTORS.EMOJI_PICKER),emojiAutoCompleteContainer=footer.find(SELECTORS.EMOJI_AUTO_COMPLETE_CONTAINER),messageTextArea=footer.find(SELECTORS.MESSAGE_TEXT_AREA),headerActivateHandlers=[[SELECTORS.ACTION_REQUEST_BLOCK,generateConfirmActionHandler(requestBlockUser)],[SELECTORS.ACTION_REQUEST_UNBLOCK,generateConfirmActionHandler(requestUnblockUser)],[SELECTORS.ACTION_REQUEST_ADD_CONTACT,generateConfirmActionHandler(requestAddContact)],[SELECTORS.ACTION_REQUEST_REMOVE_CONTACT,generateConfirmActionHandler(requestRemoveContact)],[SELECTORS.ACTION_REQUEST_DELETE_CONVERSATION,generateConfirmActionHandler(requestDeleteConversation)],[SELECTORS.ACTION_CANCEL_EDIT_MODE,handleCancelEditMode],[SELECTORS.ACTION_VIEW_CONTACT,generateHandleViewContact(namespace)],[SELECTORS.ACTION_VIEW_GROUP_INFO,generateHandleViewGroupInfo(namespace)],[SELECTORS.ACTION_CONFIRM_FAVOURITE,handleSetFavourite],[SELECTORS.ACTION_CONFIRM_MUTE,handleSetMuted],[SELECTORS.ACTION_CONFIRM_UNFAVOURITE,handleUnsetFavourite],[SELECTORS.ACTION_CONFIRM_UNMUTE,handleUnsetMuted]],bodyActivateHandlers=[[SELECTORS.ACTION_CANCEL_CONFIRM,generateConfirmActionHandler(cancelRequest)],[SELECTORS.ACTION_CONFIRM_BLOCK,generateConfirmActionHandler(blockUser)],[SELECTORS.ACTION_CONFIRM_UNBLOCK,generateConfirmActionHandler(unblockUser)],[SELECTORS.ACTION_CONFIRM_ADD_CONTACT,generateConfirmActionHandler(addContact)],[SELECTORS.ACTION_CONFIRM_REMOVE_CONTACT,generateConfirmActionHandler(removeContact)],[SELECTORS.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES,generateConfirmActionHandler(deleteSelectedMessages)],[SELECTORS.ACTION_CONFIRM_DELETE_CONVERSATION,generateConfirmActionHandler(deleteConversation)],[SELECTORS.ACTION_OKAY_CONFIRM,generateConfirmActionHandler(cancelRequest)],[SELECTORS.ACTION_REQUEST_ADD_CONTACT,generateConfirmActionHandler(requestAddContact)],[SELECTORS.ACTION_ACCEPT_CONTACT_REQUEST,generateConfirmActionHandler(acceptContactRequest)],[SELECTORS.ACTION_DECLINE_CONTACT_REQUEST,generateConfirmActionHandler(declineContactRequest)],[SELECTORS.MESSAGE,handleSelectMessage],[SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE,handleDeleteMessagesForAllUsersToggle],[SELECTORS.RETRY_SEND,handleRetrySendMessage]],footerActivateHandlers=[[SELECTORS.SEND_MESSAGE_BUTTON,handleSendMessage],[SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON,handleToggleEmojiPicker],[SELECTORS.ACTION_REQUEST_DELETE_SELECTED_MESSAGES,generateConfirmActionHandler(requestDeleteSelectedMessages)],[SELECTORS.ACTION_REQUEST_ADD_CONTACT,generateConfirmActionHandler(requestAddContact)],[SELECTORS.ACTION_REQUEST_UNBLOCK,generateConfirmActionHandler(requestUnblockUser)]];AutoRows.init(footer),emojiAutoCompleteContainer.length&&initialiseEmojiAutoComplete(emojiAutoCompleteContainer[0],messageTextArea[0],(function(hasSuggestions){var newState=StateManager.setShowEmojiAutoComplete(viewState,hasSuggestions);render(newState)}),(function(emoji){var newState=StateManager.setShowEmojiAutoComplete(viewState,!1);render(newState),messageTextArea.focus();var cursorPos=messageTextArea.prop("selectionStart"),currentText=messageTextArea.val(),textBefore=currentText.substring(0,cursorPos).replace(/\S*$/,""),textAfter=currentText.substring(cursorPos).replace(/^\S*/,"");messageTextArea.val(textBefore+emoji+textAfter),messageTextArea.prop("selectionStart",textBefore.length+emoji.length),messageTextArea.prop("selectionEnd",textBefore.length+emoji.length)})),emojiPickerElement.length&&initialiseEmojiPicker(emojiPickerElement[0],(function(emoji){var newState=StateManager.setShowEmojiPicker(viewState,!viewState.showEmojiPicker);render(newState),messageTextArea.focus();var cursorPos=messageTextArea.prop("selectionStart"),currentText=messageTextArea.val(),textBefore=currentText.substring(0,cursorPos),textAfter=currentText.substring(cursorPos,currentText.length);messageTextArea.val(textBefore+emoji+textAfter),messageTextArea.prop("selectionStart",cursorPos+emoji.length),messageTextArea.prop("selectionEnd",cursorPos+emoji.length)})),CustomEvents.define(header,[CustomEvents.events.activate]),CustomEvents.define(body,[CustomEvents.events.activate]),CustomEvents.define(footer,[CustomEvents.events.activate,CustomEvents.events.enter,CustomEvents.events.escape]),CustomEvents.define(messagesContainer,[CustomEvents.events.scrollTop,CustomEvents.events.scrollLock]),messagesContainer.on(CustomEvents.events.scrollTop,(function(e,data){var hasMembers=Object.keys(viewState.members).length>1;if(!isResetting&&!isLoadingMoreMessages&&!hasLoadedAllMessages()&&hasMembers){isLoadingMoreMessages=!0;var newState=StateManager.setLoadingMessages(viewState,!0);render(newState),loadMessages(viewState.id,LOAD_MESSAGE_LIMIT,getMessagesOffset(),NEWEST_FIRST,[]).then((function(){isLoadingMoreMessages=!1,setMessagesOffset(getMessagesOffset()+LOAD_MESSAGE_LIMIT)})).catch((function(error){isLoadingMoreMessages=!1,Notification.exception(error)}))}data.originalEvent.preventDefault()})),headerActivateHandlers.forEach((function(handler){var selector=handler[0],handlerFunction=handler[1];header.on(CustomEvents.events.activate,selector,handlerFunction)})),bodyActivateHandlers.forEach((function(handler){var selector=handler[0],handlerFunction=handler[1];body.on(CustomEvents.events.activate,selector,handlerFunction)})),footerActivateHandlers.forEach((function(handler){var selector=handler[0],handlerFunction=handler[1];footer.on(CustomEvents.events.activate,selector,handlerFunction)})),footer.on(CustomEvents.events.enter,SELECTORS.MESSAGE_TEXT_AREA,(function(e,data){var enterToSend=footer.attr("data-enter-to-send");enterToSend&&"false"!=enterToSend&&"0"!=enterToSend&&handleSendMessage(e,data)})),footer.on(CustomEvents.events.escape,SELECTORS.EMOJI_PICKER_CONTAINER,handleToggleEmojiPicker),$(document.body).on("click",handleCloseEmojiPicker),PubSub.subscribe(MessageDrawerEvents.ROUTE_CHANGED,(function(newRouteData){newMessagesPollTimer&&newRouteData.route!=MessageDrawerRoutes.VIEW_CONVERSATION&&newMessagesPollTimer.stop()}))},resetMessagePollTimer=function(conversationId){newMessagesPollTimer&&newMessagesPollTimer.stop(),newMessagesPollTimer=new BackOffTimer(function(conversationId,newestFirst){return function(){var messages=viewState.messages,mostRecentMessage=messages.length?messages[messages.length-1]:null,lastTimeCreated=mostRecentMessage?mostRecentMessage.timeCreated:null;if(lastTimeCreated&&!isResetting&&!isSendingMessage&&!isDeletingConversationContent){for(var ignoreMessageIds=[],i=messages.length-1;i>=0;i--){var message=messages[i];if(message.timeCreated!==lastTimeCreated)break;ignoreMessageIds.push(message.id)}return loadMessages(conversationId,0,0,newestFirst,ignoreMessageIds,lastTimeCreated).then((function(result){if(result.messages.length){newMessagesPollTimer.restart();var conversation=formatConversationForEvent(viewState);return PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE,conversation),markConversationAsRead(conversationId)}return result}))}return $.Deferred().resolve().promise()}}(conversationId,NEWEST_FIRST),BackOffTimer.getIncrementalCallback(viewState.messagePollMin*MILLISECONDS_IN_SEC,MILLISECONDS_IN_SEC,viewState.messagePollMax*MILLISECONDS_IN_SEC,viewState.messagePollAfterMax*MILLISECONDS_IN_SEC)),newMessagesPollTimer.start()},resetState=function(body,conversationId,loggedInUserProfile){newMessagesPollTimer&&newMessagesPollTimer.stop(),loadedAllMessages=!1,messagesOffset=0,newMessagesPollTimer=null,isRendering=!1,renderBuffer=[],isResetting=!0,isSendingMessage=!1,isDeletingConversationContent=!1,sendMessageBuffer=[];var loggedInUserId=loggedInUserProfile.id,midnight=parseInt(body.attr("data-midnight"),10),messagePollMin=parseInt(body.attr("data-message-poll-min"),10),messagePollMax=parseInt(body.attr("data-message-poll-max"),10),messagePollAfterMax=parseInt(body.attr("data-message-poll-after-max"),10),initialState=StateManager.buildInitialState(midnight,loggedInUserId,conversationId,messagePollMin,messagePollMax,messagePollAfterMax);viewState||(viewState=initialState),render(initialState)},resetNoConversation=function(body,loggedInUserProfile,otherUserId){resetState(body,null,loggedInUserProfile);return(loggedInUserProfile.id!=otherUserId?Repository.getConversationBetweenUsers(loggedInUserProfile.id,otherUserId,!0,!0,0,0,LOAD_MESSAGE_LIMIT,0,NEWEST_FIRST):Repository.getSelfConversation(loggedInUserProfile.id,LOAD_MESSAGE_LIMIT,0,NEWEST_FIRST)).then((function(conversation){return resetByConversation(body,conversation,loggedInUserProfile)})).catch((function(){return function(loggedInUserProfile,otherUserId){var loggedInUserId=loggedInUserProfile.id,conversationType=loggedInUserId==otherUserId?CONVERSATION_TYPES.SELF:CONVERSATION_TYPES.PRIVATE,newState=StateManager.setLoadingMembers(viewState,!0);return newState=StateManager.setLoadingMessages(newState,!0),render(newState),Repository.getMemberInfo(loggedInUserId,[otherUserId],!0,!0).then((function(profiles){if(profiles.length)return profiles[0];throw new Error("Unable to load other user profile")})).then((function(profile){var members=conversationType==CONVERSATION_TYPES.SELF?[profile]:[profile,loggedInUserProfile],newState=StateManager.addMembers(viewState,members);return newState=StateManager.setLoadingMembers(newState,!1),newState=StateManager.setLoadingMessages(newState,!1),newState=StateManager.setName(newState,profile.fullname),newState=StateManager.setType(newState,conversationType),newState=StateManager.setImageUrl(newState,profile.profileimageurl),newState=StateManager.setTotalMemberCount(newState,members.length),render(newState),profile})).catch((function(error){var newState=StateManager.setLoadingMembers(viewState,!1);render(newState),Notification.exception(error)}))}(loggedInUserProfile,otherUserId)}))},resetById=function(body,conversationId,loggedInUserProfile){var cache=null;conversationId in stateCache&&(cache=stateCache[conversationId]),resetState(body,conversationId,loggedInUserProfile);var promise=$.Deferred().resolve({}).promise();if(cache){var newState=cache.state;newState=StateManager.setLoadingMessages(newState,!1),newState=StateManager.setLoadingMembers(newState,!1),setMessagesOffset(cache.messagesOffset),setLoadedAllMessages(cache.loadedAllMessages),render(newState)}else promise=function(conversationId,loggedInUserProfile,messageLimit,messageOffset,newestFirst){var loggedInUserId=loggedInUserProfile.id,newState=StateManager.setLoadingMembers(viewState,!0);return newState=StateManager.setLoadingMessages(newState,!0),render(newState),Repository.getConversation(loggedInUserId,conversationId,!0,!0,0,0,messageLimit+1,messageOffset,newestFirst).then((function(conversation){return conversation.messages.length>messageLimit?conversation.messages=conversation.messages.slice(1):setLoadedAllMessages(!0),setMessagesOffset(messageOffset+messageLimit),conversation})).then((function(conversation){conversation.members.filter((function(member){return member.id==loggedInUserProfile.id})).length<1&&(conversation.members=conversation.members.concat([loggedInUserProfile]));var newState=updateStateFromConversation(conversation,loggedInUserProfile.id);return newState=StateManager.setLoadingMembers(newState,!1),newState=StateManager.setLoadingMessages(newState,!1),render(newState).then((function(){return conversation}))})).then((function(){return markConversationAsRead(conversationId)})).catch((function(error){var newState=StateManager.setLoadingMembers(viewState,!1);newState=StateManager.setLoadingMessages(newState,!1),render(newState),Notification.exception(error)}))}(conversationId,loggedInUserProfile,LOAD_MESSAGE_LIMIT,0,NEWEST_FIRST);return promise.then((function(){return resetMessagePollTimer(conversationId)}))},resetByConversation=function(body,conversation,loggedInUserProfile){var cache=null;conversation.id in stateCache&&(cache=stateCache[conversation.id]),resetState(body,conversation.id,loggedInUserProfile);var promise=$.Deferred().resolve({}).promise();if(cache){var newState=cache.state;newState=StateManager.setLoadingMessages(newState,!1),newState=StateManager.setLoadingMembers(newState,!1),setMessagesOffset(cache.messagesOffset),setLoadedAllMessages(cache.loadedAllMessages),render(newState)}else promise=function(conversation,loggedInUserProfile,messageLimit,newestFirst){conversation.members.filter((function(member){return member.id==loggedInUserProfile.id})).length<1&&(conversation.members=conversation.members.concat([loggedInUserProfile]));var messageCount=conversation.messages.length,hasLoadedEnoughMessages=messageCount>=messageLimit,newState=updateStateFromConversation(conversation,loggedInUserProfile.id);return newState=StateManager.setLoadingMembers(newState,!1),newState=StateManager.setLoadingMessages(newState,!hasLoadedEnoughMessages),render(newState).then((function(){return hasLoadedEnoughMessages?{messages:conversation.messages}:loadMessages(conversation.id,messageLimit,messageCount,newestFirst,[])})).then((function(){var messages=viewState.messages;return setMessagesOffset(messages.length),markConversationAsRead(viewState.id),messages})).catch(Notification.exception)}(conversation,loggedInUserProfile,LOAD_MESSAGE_LIMIT,NEWEST_FIRST);return promise.then((function(){return resetMessagePollTimer(conversation.id)}))};return{show:function(namespace,header,body,footer,conversationOrId,action,otherUserId){var userId,conversation=null,conversationId=null;conversationOrId&&null!==conversationOrId&&"object"==_typeof(conversationOrId)?(conversation=conversationOrId,conversationId=parseInt(conversation.id,10)):(conversation=null,conversationId=parseInt(conversationOrId,10),conversationId=isNaN(conversationId)?null:conversationId),!conversationId&&action&&otherUserId&&(userId=otherUserId,conversationId=Object.keys(stateCache).reduce((function(carry,id){if(!carry){var state=stateCache[id].state;state.type!=CONVERSATION_TYPES.PUBLIC&&userId in state.members&&(carry=state.id)}return carry}),null));var isNewConversation=!viewState||viewState.id!=conversationId||otherUserId&&otherUserId!=getOtherUserId();if(body.attr("data-init")||(render=generateRenderFunction(header,body,footer,isNewConversation),registerEventListeners(namespace,header,body,footer),body.attr("data-init",!0)),isNewConversation){var loggedInUserProfile=function(body){return{id:parseInt(body.attr("data-user-id"),10),fullname:null,profileimageurl:null,profileimageurlsmall:null,isonline:null,showonlinestatus:null,isblocked:null,iscontact:null,isdeleted:null,canmessage:null,canmessageevenifblocked:null,requirescontact:null,contactrequests:[]}}(body);return(conversation?resetByConversation(body,conversation,loggedInUserProfile,otherUserId):conversationId?resetById(body,conversationId,loggedInUserProfile):resetNoConversation(body,loggedInUserProfile,otherUserId)).then((function(){isResetting=!1,header.find(Constants.SELECTORS.CAN_RECEIVE_FOCUS).first().focus()})).catch((function(error){isResetting=!1,Notification.exception(error)}))}if(resetMessagePollTimer(conversationId),viewState.type==CONVERSATION_TYPES.PRIVATE&&action){var currentOtherUserId=getOtherUserId();switch(action){case"block":return requestBlockUser(currentOtherUserId);case"unblock":return requestUnblockUser(currentOtherUserId);case"add-contact":return requestAddContact(currentOtherUserId);case"remove-contact":return requestRemoveContact(currentOtherUserId)}}return $.Deferred().resolve().promise()},description:function(){return Str.get_string("messagedrawerviewconversation","core_message",viewState.name)}}}));
+
+//# sourceMappingURL=message_drawer_view_conversation.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation.min.js.map b/message/amd/build/message_drawer_view_conversation.min.js.map
index 81645571a72..1a10bcf19f4 100644
--- a/message/amd/build/message_drawer_view_conversation.min.js.map
+++ b/message/amd/build/message_drawer_view_conversation.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the conversation page in the message drawer.\n *\n * This function handles all of the user actions that the user can take\n * when interacting with the conversation page.\n *\n * It maintains a view state which is a data representation of the view\n * and only operates on that data.\n *\n * The view state is immutable and should never be modified directly. Instead\n * all changes to the view state should be done using the StateManager which\n * will generate a new version of the view state with the requested changes.\n *\n * After any changes to the view state the module will call the render function\n * to ask the renderer to update the UI.\n *\n * General rules for this module:\n * 1.) Never modify viewState directly. All changes should be via the StateManager.\n * 2.) Call render() with the new state when you want to update the UI\n * 3.) Never modify the UI directly in this module. This module is only concerned\n *     with the data in the view state.\n *\n * The general flow for a user interaction will be something like:\n * User interaction: User clicks \"confirm block\" button to block the other user\n *      1.) This module is hears the click\n *      2.) This module sends a request to the server to block the user\n *      3.) The server responds with the new user profile\n *      4.) This module generates a new state using the StateManager with the updated\n *          user profile.\n *      5.) This module asks the Patcher to generate a patch from the current state and\n *          the newly generated state. This patch tells the renderer what has changed\n *          between the states.\n *      6.) This module gives the Renderer the generated patch. The renderer updates\n *          the UI with changes according to the patch.\n *\n * @module     core_message/message_drawer_view_conversation\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/auto_rows',\n    'core/backoff_timer',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pending',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_view_conversation_constants',\n    'core_message/message_drawer_view_conversation_patcher',\n    'core_message/message_drawer_view_conversation_renderer',\n    'core_message/message_drawer_view_conversation_state_manager',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core/emoji/auto_complete',\n    'core/emoji/picker'\n],\nfunction(\n    $,\n    AutoRows,\n    BackOffTimer,\n    CustomEvents,\n    Notification,\n    Pending,\n    PubSub,\n    Str,\n    Repository,\n    MessageDrawerEvents,\n    Constants,\n    Patcher,\n    Renderer,\n    StateManager,\n    MessageDrawerRouter,\n    MessageDrawerRoutes,\n    initialiseEmojiAutoComplete,\n    initialiseEmojiPicker\n) {\n\n    // Contains a cache of all view states that have been loaded so far\n    // which saves us having to reload stuff with network requests when\n    // switching between conversations.\n    var stateCache = {};\n    // The current data representation of the view.\n    var viewState = null;\n    var loadedAllMessages = false;\n    var messagesOffset = 0;\n    var newMessagesPollTimer = null;\n    var isRendering = false;\n    var renderBuffer = [];\n    // If the UI is currently resetting.\n    var isResetting = true;\n    // If the UI is currently sending a message.\n    var isSendingMessage = false;\n    // If the UI is currently deleting a conversation.\n    var isDeletingConversationContent = false;\n    // A buffer of messages to send.\n    var sendMessageBuffer = [];\n    // These functions which will be generated when this module is\n    // first called. See generateRenderFunction for details.\n    var render = null;\n    // The list of renderers that have been registered to render\n    // this conversation. See generateRenderFunction for details.\n    var renderers = [];\n\n    var NEWEST_FIRST = Constants.NEWEST_MESSAGES_FIRST;\n    var LOAD_MESSAGE_LIMIT = Constants.LOAD_MESSAGE_LIMIT;\n    var MILLISECONDS_IN_SEC = Constants.MILLISECONDS_IN_SEC;\n    var SELECTORS = Constants.SELECTORS;\n    var CONVERSATION_TYPES = Constants.CONVERSATION_TYPES;\n\n    /**\n     * Get the other user userid.\n     *\n     * @return {Number} Userid.\n     */\n    var getOtherUserId = function() {\n        if (!viewState || viewState.type == CONVERSATION_TYPES.PUBLIC) {\n            return null;\n        }\n\n        var loggedInUserId = viewState.loggedInUserId;\n        if (viewState.type == CONVERSATION_TYPES.SELF) {\n            // It's a self-conversation, so the other user is the one logged in.\n            return loggedInUserId;\n        }\n\n        var otherUserIds = Object.keys(viewState.members).filter(function(userId) {\n            return loggedInUserId != userId;\n        });\n\n        return otherUserIds.length ? otherUserIds[0] : null;\n    };\n\n    /**\n     * Search the cache to see if we've already loaded a private conversation\n     * with the given user id.\n     *\n     * @param {Number} userId The id of the other user.\n     * @return {Number|null} Conversation id.\n     */\n    var getCachedPrivateConversationIdFromUserId = function(userId) {\n        return Object.keys(stateCache).reduce(function(carry, id) {\n            if (!carry) {\n                var state = stateCache[id].state;\n\n                if (state.type != CONVERSATION_TYPES.PUBLIC) {\n                    if (userId in state.members) {\n                        // We've found a cached conversation for this user!\n                        carry = state.id;\n                    }\n                }\n            }\n\n            return carry;\n        }, null);\n    };\n\n    /**\n     * Get profile info for logged in user.\n     *\n     * @param {Object} body Conversation body container element.\n     * @return {Object}\n     */\n    var getLoggedInUserProfile = function(body) {\n        return {\n            id: parseInt(body.attr('data-user-id'), 10),\n            fullname: null,\n            profileimageurl: null,\n            profileimageurlsmall: null,\n            isonline:  null,\n            showonlinestatus: null,\n            isblocked: null,\n            iscontact: null,\n            isdeleted: null,\n            canmessage: null,\n            canmessageevenifblocked: null,\n            requirescontact: null,\n            contactrequests: []\n        };\n    };\n\n    /**\n     * Get the messages offset value to load more messages.\n     *\n     * @return {Number}\n     */\n    var getMessagesOffset = function() {\n        return messagesOffset;\n    };\n\n    /**\n     * Set the messages offset value for loading more messages.\n     *\n     * @param {Number} value The offset value\n     */\n    var setMessagesOffset = function(value) {\n        messagesOffset = value;\n        stateCache[viewState.id].messagesOffset = value;\n    };\n\n    /**\n     * Check if all messages have been loaded.\n     *\n     * @return {Bool}\n     */\n    var hasLoadedAllMessages = function() {\n        return loadedAllMessages;\n    };\n\n    /**\n     * Set whether all messages have been loaded or not.\n     *\n     * @param {Bool} value If all messages have been loaded.\n     */\n    var setLoadedAllMessages = function(value) {\n        loadedAllMessages = value;\n        stateCache[viewState.id].loadedAllMessages = value;\n    };\n\n    /**\n     * Get the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.MESSAGES_CONTAINER);\n    };\n\n    /**\n     * Reformat the conversation for an event payload.\n     *\n     * @param  {Object} state The view state.\n     * @return {Object} New formatted conversation.\n     */\n    var formatConversationForEvent = function(state) {\n        return {\n            id: state.id,\n            name: state.name,\n            subname: state.subname,\n            imageUrl: state.imageUrl,\n            isFavourite: state.isFavourite,\n            isMuted: state.isMuted,\n            type: state.type,\n            totalMemberCount: state.totalMemberCount,\n            loggedInUserId: state.loggedInUserId,\n            messages: state.messages.map(function(message) {\n                return $.extend({}, message);\n            }),\n            members: Object.keys(state.members).map(function(id) {\n                var formattedMember = $.extend({}, state.members[id]);\n                formattedMember.contactrequests = state.members[id].contactrequests.map(function(request) {\n                    return $.extend({}, request);\n                });\n                return formattedMember;\n            })\n        };\n    };\n\n    /**\n     * Load up an empty private conversation between the logged in user and the\n     * other user. Sets all of the conversation details based on the other user.\n     *\n     * A conversation isn't created until the user sends the first message.\n     *\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} otherUserId The other user id.\n     * @return {Object} Profile returned from repository.\n     */\n    var loadEmptyPrivateConversation = function(loggedInUserProfile, otherUserId) {\n        var loggedInUserId = loggedInUserProfile.id;\n        // If the other user id is the same as the logged in user then this is a self\n        // conversation.\n        var conversationType = loggedInUserId == otherUserId ? CONVERSATION_TYPES.SELF : CONVERSATION_TYPES.PRIVATE;\n        var newState = StateManager.setLoadingMembers(viewState, true);\n        newState = StateManager.setLoadingMessages(newState, true);\n        render(newState);\n\n        return Repository.getMemberInfo(loggedInUserId, [otherUserId], true, true)\n            .then(function(profiles) {\n                if (profiles.length) {\n                    return profiles[0];\n                } else {\n                    throw new Error('Unable to load other user profile');\n                }\n            })\n            .then(function(profile) {\n                // If the conversation is a self conversation then the profile loaded is the\n                // logged in user so only add that to the members array.\n                var members = conversationType == CONVERSATION_TYPES.SELF ? [profile] : [profile, loggedInUserProfile];\n                var newState = StateManager.addMembers(viewState, members);\n                newState = StateManager.setLoadingMembers(newState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                newState = StateManager.setName(newState, profile.fullname);\n                newState = StateManager.setType(newState, conversationType);\n                newState = StateManager.setImageUrl(newState, profile.profileimageurl);\n                newState = StateManager.setTotalMemberCount(newState, members.length);\n                render(newState);\n                return profile;\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMembers(viewState, false);\n                render(newState);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Create a new state from a conversation object.\n     *\n     * @param {Object} conversation The conversation object.\n     * @param {Number} loggedInUserId The logged in user id.\n     * @return {Object} new state.\n     */\n    var updateStateFromConversation = function(conversation, loggedInUserId) {\n        var otherUser = null;\n        if (conversation.type == CONVERSATION_TYPES.PRIVATE) {\n            // For private conversations, remove current logged in user from the members list to get the other user.\n            var otherUsers = conversation.members.filter(function(member) {\n                return member.id != loggedInUserId;\n            });\n            otherUser = otherUsers.length ? otherUsers[0] : null;\n        } else if (conversation.type == CONVERSATION_TYPES.SELF) {\n            // Self-conversations have only one member.\n            otherUser = conversation.members[0];\n        }\n\n        var name = conversation.name;\n        var imageUrl = conversation.imageurl;\n\n        if (conversation.type != CONVERSATION_TYPES.PUBLIC) {\n            name = name || otherUser ? otherUser.fullname : '';\n            imageUrl = imageUrl || otherUser ? otherUser.profileimageurl : '';\n        }\n\n        var newState = StateManager.addMembers(viewState, conversation.members);\n        newState = StateManager.setName(newState, name);\n        newState = StateManager.setSubname(newState, conversation.subname);\n        newState = StateManager.setType(newState, conversation.type);\n        newState = StateManager.setImageUrl(newState, imageUrl);\n        newState = StateManager.setTotalMemberCount(newState, conversation.membercount);\n        newState = StateManager.setIsFavourite(newState, conversation.isfavourite);\n        newState = StateManager.setIsMuted(newState, conversation.ismuted);\n        newState = StateManager.addMessages(newState, conversation.messages);\n        newState = StateManager.setCanDeleteMessagesForAllUsers(newState, conversation.candeletemessagesforallusers);\n        return newState;\n    };\n\n    /**\n     * Get the details for a conversation from the conversation id.\n     *\n     * @param  {Number} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} messageLimit The number of messages to include.\n     * @param  {Number} messageOffset The number of messages to skip.\n     * @param  {Bool} newestFirst Order messages newest first.\n     * @return {Object} Promise resolved when loaded.\n     */\n    var loadNewConversation = function(\n        conversationId,\n        loggedInUserProfile,\n        messageLimit,\n        messageOffset,\n        newestFirst\n    ) {\n        var loggedInUserId = loggedInUserProfile.id;\n        var newState = StateManager.setLoadingMembers(viewState, true);\n        newState = StateManager.setLoadingMessages(newState, true);\n        render(newState);\n\n        return Repository.getConversation(\n            loggedInUserId,\n            conversationId,\n            true,\n            true,\n            0,\n            0,\n            messageLimit + 1,\n            messageOffset,\n            newestFirst\n        )\n            .then(function(conversation) {\n                if (conversation.messages.length > messageLimit) {\n                    conversation.messages = conversation.messages.slice(1);\n                } else {\n                    setLoadedAllMessages(true);\n                }\n\n                setMessagesOffset(messageOffset + messageLimit);\n\n                return conversation;\n            })\n            .then(function(conversation) {\n                var hasLoggedInUser = conversation.members.filter(function(member) {\n                    return member.id == loggedInUserProfile.id;\n                });\n\n                if (hasLoggedInUser.length < 1) {\n                    conversation.members = conversation.members.concat([loggedInUserProfile]);\n                }\n\n                var newState = updateStateFromConversation(conversation, loggedInUserProfile.id);\n                newState = StateManager.setLoadingMembers(newState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                return render(newState)\n                    .then(function() {\n                        return conversation;\n                    });\n            })\n            .then(function() {\n                return markConversationAsRead(conversationId);\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMembers(viewState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                render(newState);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Get the details for a conversation from and existing conversation object.\n     *\n     * @param  {Object} conversation The conversation object.\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} messageLimit The number of messages to include.\n     * @param  {Bool} newestFirst Order messages newest first.\n     * @return {Object} Promise resolved when loaded.\n     */\n    var loadExistingConversation = function(\n        conversation,\n        loggedInUserProfile,\n        messageLimit,\n        newestFirst\n    ) {\n        var hasLoggedInUser = conversation.members.filter(function(member) {\n            return member.id == loggedInUserProfile.id;\n        });\n\n        if (hasLoggedInUser.length < 1) {\n            conversation.members = conversation.members.concat([loggedInUserProfile]);\n        }\n\n        var messageCount = conversation.messages.length;\n        var hasLoadedEnoughMessages = messageCount >= messageLimit;\n        var newState = updateStateFromConversation(conversation, loggedInUserProfile.id);\n        newState = StateManager.setLoadingMembers(newState, false);\n        newState = StateManager.setLoadingMessages(newState, !hasLoadedEnoughMessages);\n        var renderPromise = render(newState);\n\n        return renderPromise.then(function() {\n                if (!hasLoadedEnoughMessages) {\n                    // We haven't got enough messages so let's load some more.\n                    return loadMessages(conversation.id, messageLimit, messageCount, newestFirst, []);\n                } else {\n                    // We've got enough messages. No need to load any more for now.\n                    return {messages: conversation.messages};\n                }\n            })\n            .then(function() {\n                var messages = viewState.messages;\n                // Update the offset to reflect the number of messages we've loaded.\n                setMessagesOffset(messages.length);\n                markConversationAsRead(viewState.id);\n\n                return messages;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Load messages for this conversation and pass them to the renderer.\n     *\n     * @param  {Number} conversationId Conversation id.\n     * @param  {Number} limit Number of messages to load.\n     * @param  {Number} offset Get messages from offset.\n     * @param  {Bool} newestFirst Get newest messages first.\n     * @param  {Array} ignoreList Ignore any messages with ids in this list.\n     * @param  {Number|null} timeFrom Only get messages from this time onwards.\n     * @return {Promise} renderer promise.\n     */\n    var loadMessages = function(conversationId, limit, offset, newestFirst, ignoreList, timeFrom) {\n        return Repository.getMessages(\n                viewState.loggedInUserId,\n                conversationId,\n                limit ? limit + 1 : limit,\n                offset,\n                newestFirst,\n                timeFrom\n            )\n            .then(function(result) {\n                // Prevent older requests from contaminating the current view.\n                if (result.id != viewState.id) {\n                    result.messages = [];\n                    // Purge old conversation cache to prevent messages lose.\n                    if (result.id in stateCache) {\n                        delete stateCache[result.id];\n                    }\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                if (result.messages.length && ignoreList.length) {\n                    result.messages = result.messages.filter(function(message) {\n                        // Skip any messages in our ignore list.\n                        return ignoreList.indexOf(parseInt(message.id, 10)) < 0;\n                    });\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                if (!limit) {\n                    return result;\n                } else if (result.messages.length > limit) {\n                    // Ignore the last result which was just to test if there are more\n                    // to load.\n                    result.messages = result.messages.slice(0, -1);\n                } else {\n                    setLoadedAllMessages(true);\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                var membersToAdd = result.members.filter(function(member) {\n                    return !(member.id in viewState.members);\n                });\n                var newState = StateManager.addMembers(viewState, membersToAdd);\n                newState = StateManager.addMessages(newState, result.messages);\n                newState = StateManager.setLoadingMessages(newState, false);\n                return render(newState)\n                    .then(function() {\n                        return result;\n                    });\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMessages(viewState, false);\n                render(newState);\n                // Re-throw the error for other error handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Create a callback function for getting new messages for this conversation.\n     *\n     * @param  {Number} conversationId Conversation id.\n     * @param  {Bool} newestFirst Show newest messages first\n     * @return {Function} Callback function that returns a renderer promise.\n     */\n    var getLoadNewMessagesCallback = function(conversationId, newestFirst) {\n        return function() {\n            var messages = viewState.messages;\n            var mostRecentMessage = messages.length ? messages[messages.length - 1] : null;\n            var lastTimeCreated = mostRecentMessage ? mostRecentMessage.timeCreated : null;\n\n            if (lastTimeCreated && !isResetting && !isSendingMessage && !isDeletingConversationContent) {\n                // There may be multiple messages with the same time created value since\n                // the accuracy is only down to the second. The server will include these\n                // messages in the result (since it does a >= comparison on time from) so\n                // we need to filter them back out of the result so that we're left only\n                // with the new messages.\n                var ignoreMessageIds = [];\n                for (var i = messages.length - 1; i >= 0; i--) {\n                    var message = messages[i];\n                    if (message.timeCreated === lastTimeCreated) {\n                        ignoreMessageIds.push(message.id);\n                    } else {\n                        // Since the messages are ordered in ascending order of time created\n                        // we can break as soon as we hit a message with a different time created\n                        // because we know all other messages will have lower values.\n                        break;\n                    }\n                }\n\n                return loadMessages(\n                        conversationId,\n                        0,\n                        0,\n                        newestFirst,\n                        ignoreMessageIds,\n                        lastTimeCreated\n                    )\n                    .then(function(result) {\n                        if (result.messages.length) {\n                            // If we found some results then restart the polling timer\n                            // because the other user might be sending messages.\n                            newMessagesPollTimer.restart();\n                            // We've also got a new last message so publish that for other\n                            // components to update.\n                            var conversation = formatConversationForEvent(viewState);\n                            PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                            return markConversationAsRead(conversationId);\n                        } else {\n                            return result;\n                        }\n                    });\n            }\n\n            return $.Deferred().resolve().promise();\n        };\n    };\n\n    /**\n     * Mark a conversation as read.\n     *\n     * @param  {Number} conversationId The conversation id.\n     * @return {Promise} The renderer promise.\n     */\n    var markConversationAsRead = function(conversationId) {\n        var loggedInUserId = viewState.loggedInUserId;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n\n        return Repository.markAllConversationMessagesAsRead(loggedInUserId, conversationId)\n            .then(function() {\n                var newState = StateManager.markMessagesAsRead(viewState, viewState.messages);\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_READ, conversationId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is request to block a user and run the renderer\n     * to show the block user dialogue.\n     *\n     * @param {Number} userId User id.\n     */\n    var requestBlockUser = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingBlockUsersById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to block a user, update the statemanager and publish\n     * a contact has been blocked.\n     *\n     * @param  {Number} userId User id of user to block.\n     * @return {Promise} Renderer promise.\n     */\n    var blockUser = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:blockUser');\n\n        render(newState);\n\n        return Repository.blockUser(viewState.loggedInUserId, userId)\n            .then(function(profile) {\n                var newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.removePendingBlockUsersById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_BLOCKED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to unblock a user and run the renderer\n     * to show the unblock user dialogue.\n     *\n     * @param {Number} userId User id of user to unblock.\n     */\n    var requestUnblockUser = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingUnblockUsersById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to unblock a user, update the statemanager and publish\n     * a contact has been unblocked.\n     *\n     * @param  {Number} userId User id of user to unblock.\n     * @return {Promise} Renderer promise.\n     */\n    var unblockUser = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:unblockUser');\n        render(newState);\n\n        return Repository.unblockUser(viewState.loggedInUserId, userId)\n            .then(function(profile) {\n                var newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.removePendingUnblockUsersById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_UNBLOCKED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to remove a user from the contact list\n     * and run the renderer to show the remove user from contacts dialogue.\n     *\n     * @param {Number} userId User id of user to remove from contacts.\n     */\n    var requestRemoveContact = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingRemoveContactsById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to remove a user from the contacts list. update the statemanager\n     * and publish a contact has been removed.\n     *\n     * @param  {Number} userId User id of user to remove from contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var removeContact = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:removeContact');\n        render(newState);\n\n        return Repository.deleteContacts(viewState.loggedInUserId, [userId])\n            .then(function(profiles) {\n                var newState = StateManager.addMembers(viewState, profiles);\n                newState = StateManager.removePendingRemoveContactsById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_REMOVED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to add a user to the contact list\n     * and run the renderer to show the add user to contacts dialogue.\n     *\n     * @param {Number} userId User id of user to add to contacts.\n     */\n    var requestAddContact = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingAddContactsById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to add a user to the contacts list. update the statemanager\n     * and publish a contact has been added.\n     *\n     * @param  {Number} userId User id of user to add to contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var addContact = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:addContactRequests');\n        render(newState);\n\n        return Repository.createContactRequest(viewState.loggedInUserId, userId)\n            .then(function(response) {\n                if (!response.request) {\n                    throw new Error(response.warnings[0].message);\n                }\n\n                return response.request;\n            })\n            .then(function(request) {\n                var newState = StateManager.removePendingAddContactsById(viewState, [userId]);\n                newState = StateManager.addContactRequests(newState, [request]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Set the current conversation as a favourite conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var setFavourite = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:setFavourite');\n\n        return Repository.setFavouriteConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsFavourite(viewState, true);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_SET_FAVOURITE,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Unset the current conversation as a favourite conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var unsetFavourite = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:unsetFavourite');\n\n        return Repository.unsetFavouriteConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsFavourite(viewState, false);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_UNSET_FAVOURITE,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Set the current conversation as a muted conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var setMuted = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n\n        return Repository.setMutedConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsMuted(viewState, true);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_SET_MUTED,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Unset the current conversation as a muted conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var unsetMuted = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n\n        return Repository.unsetMutedConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsMuted(viewState, false);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_UNSET_MUTED,\n                    formatConversationForEvent(viewState)\n                );\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to delete the selected messages\n     * and run the renderer to show confirm delete messages dialogue.\n     *\n     * @param {Number} userId User id.\n     */\n    var requestDeleteSelectedMessages = function(userId) {\n        var selectedMessageIds = viewState.selectedMessageIds;\n        cancelRequest(userId);\n        var newState = StateManager.addPendingDeleteMessagesById(viewState, selectedMessageIds);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to delete the messages pending deletion. Update the statemanager\n     * and publish a message deletion event.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var deleteSelectedMessages = function() {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:deleteSelectedMessages');\n        var messageIds = viewState.pendingDeleteMessageIds;\n        var sentMessages = viewState.messages.filter(function(message) {\n            // If a message sendState is null then it means it was loaded from the server or if it's\n            // set to sent then it means the user has successfully sent it in this page load.\n            return messageIds.indexOf(message.id) >= 0 && (message.sendState == 'sent' || message.sendState === null);\n        });\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n\n        render(newState);\n\n        var deleteMessagesPromise = $.Deferred().resolve().promise();\n\n\n        if (sentMessages.length) {\n            // We only need to send a request to the server if we're trying to delete messages that\n            // have successfully been sent.\n            var sentMessageIds = sentMessages.map(function(message) {\n                return message.id;\n            });\n            if (newState.deleteMessagesForAllUsers) {\n                deleteMessagesPromise = Repository.deleteMessagesForAllUsers(viewState.loggedInUserId, sentMessageIds);\n            } else {\n                deleteMessagesPromise = Repository.deleteMessages(viewState.loggedInUserId, sentMessageIds);\n            }\n        }\n\n        // Mark that we are deleting content from the  conversation to prevent updates of it.\n        isDeletingConversationContent = true;\n\n        // Stop polling for new messages to the open conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        return deleteMessagesPromise.then(function() {\n                var newState = StateManager.removeMessagesById(viewState, messageIds);\n                newState = StateManager.removePendingDeleteMessagesById(newState, messageIds);\n                newState = StateManager.removeSelectedMessagesById(newState, messageIds);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                newState = StateManager.setDeleteMessagesForAllUsers(newState, false);\n\n                var prevLastMessage = viewState.messages[viewState.messages.length - 1];\n                var newLastMessage = newState.messages.length ? newState.messages[newState.messages.length - 1] : null;\n\n                if (newLastMessage && newLastMessage.id != prevLastMessage.id) {\n                    var conversation = formatConversationForEvent(newState);\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                } else if (!newState.messages.length) {\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED, newState.id);\n                }\n\n                isDeletingConversationContent = false;\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Tell the statemanager there is a request to delete a conversation\n     * and run the renderer to show confirm delete conversation dialogue.\n     *\n     * @param {Number} userId User id of other user.\n     */\n    var requestDeleteConversation = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.setPendingDeleteConversation(viewState, true);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to delete a conversation. Update the statemanager\n     * and publish a conversation deleted event.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var deleteConversation = function() {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        // Mark that we are deleting the conversation to prevent updates of it.\n        isDeletingConversationContent = true;\n\n        // Stop polling for new messages to the open conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        return Repository.deleteConversation(viewState.loggedInUserId, viewState.id)\n            .then(function() {\n                var newState = StateManager.removeMessages(viewState, viewState.messages);\n                newState = StateManager.removeSelectedMessagesById(newState, viewState.selectedMessageIds);\n                newState = StateManager.setPendingDeleteConversation(newState, false);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED, newState.id);\n\n                isDeletingConversationContent = false;\n\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager to cancel all pending actions.\n     *\n     * @param  {Number} userId User id.\n     */\n    var cancelRequest = function(userId) {\n        var pendingDeleteMessageIds = viewState.pendingDeleteMessageIds;\n        var newState = StateManager.removePendingAddContactsById(viewState, [userId]);\n        newState = StateManager.removePendingRemoveContactsById(newState, [userId]);\n        newState = StateManager.removePendingUnblockUsersById(newState, [userId]);\n        newState = StateManager.removePendingBlockUsersById(newState, [userId]);\n        newState = StateManager.removePendingDeleteMessagesById(newState, pendingDeleteMessageIds);\n        newState = StateManager.setPendingDeleteConversation(newState, false);\n        newState = StateManager.setDeleteMessagesForAllUsers(newState, false);\n        render(newState);\n    };\n\n    /**\n     * Accept the contact request from the given user.\n     *\n     * @param  {Number} userId User id of other user.\n     * @return {Promise} Renderer promise.\n     */\n    var acceptContactRequest = function(userId) {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:acceptContactRequest');\n\n        // Search the list of the logged in user's contact requests to find the\n        // one from this user.\n        var loggedInUserId = viewState.loggedInUserId;\n        var requests = viewState.members[userId].contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId;\n        });\n        var request = requests[0];\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        return Repository.acceptContactRequest(userId, loggedInUserId)\n            .then(function(profile) {\n                var newState = StateManager.removeContactRequests(viewState, [request]);\n                newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.CONTACT_ADDED, viewState.members[userId]);\n                PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, request);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Decline the contact request from the given user.\n     *\n     * @param  {Number} userId User id of other user.\n     * @return {Promise} Renderer promise.\n     */\n    var declineContactRequest = function(userId) {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:declineContactRequest');\n\n        // Search the list of the logged in user's contact requests to find the\n        // one from this user.\n        var loggedInUserId = viewState.loggedInUserId;\n        var requests = viewState.members[userId].contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId;\n        });\n        var request = requests[0];\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        return Repository.declineContactRequest(userId, loggedInUserId)\n            .then(function(profile) {\n                var newState = StateManager.removeContactRequests(viewState, [request]);\n                newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, request);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Send all of the messages in the buffer to the server to be created. Update the\n     * UI with the newly created message information.\n     *\n     * This function will recursively call itself in order to make sure the buffer is\n     * always being processed.\n     */\n    var processSendMessageBuffer = function() {\n        if (isSendingMessage) {\n            // We're already sending messages so nothing to do.\n            return;\n        }\n        if (!sendMessageBuffer.length) {\n            // No messages waiting to send. Nothing to do.\n            return;\n        }\n\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:processSendMessageBuffer');\n\n        // Flag that we're processing the queue.\n        isSendingMessage = true;\n        // Grab all of the messages in the buffer.\n        var messagesToSend = sendMessageBuffer.slice();\n        // Empty the buffer since we're processing it.\n        sendMessageBuffer = [];\n        var conversationId = viewState.id;\n        var newConversationId = null;\n        var messagesText = messagesToSend.map(function(message) {\n            return message.text;\n        });\n        var messageIds = messagesToSend.map(function(message) {\n            return message.id;\n        });\n        var sendMessagePromise = null;\n        var newCanDeleteMessagesForAllUsers = null;\n        if (!conversationId && (viewState.type != CONVERSATION_TYPES.PUBLIC)) {\n            // If it's a new private conversation then we need to use the old\n            // web service function to create the conversation.\n            var otherUserId = getOtherUserId();\n            sendMessagePromise = Repository.sendMessagesToUser(otherUserId, messagesText)\n                .then(function(messages) {\n                    if (messages.length) {\n                        newConversationId = parseInt(messages[0].conversationid, 10);\n                        newCanDeleteMessagesForAllUsers = messages[0].candeletemessagesforallusers;\n                    }\n                    return messages;\n                });\n        } else {\n            sendMessagePromise = Repository.sendMessagesToConversation(conversationId, messagesText);\n        }\n\n        sendMessagePromise\n            .then(function(messages) {\n                var newMessageIds = messages.map(function(message) {\n                    return message.id;\n                });\n                var data = [];\n                var selectedToRemove = [];\n                var selectedToAdd = [];\n\n                messagesToSend.forEach(function(oldMessage, index) {\n                    var newMessage = messages[index];\n                    // Update messages expects and array of arrays where the first value\n                    // is the old message to update and the second value is the new values\n                    // to set.\n                    data.push([oldMessage, newMessage]);\n\n                    if (viewState.selectedMessageIds.indexOf(oldMessage.id) >= 0) {\n                        // If the message was added to the \"selected messages\" list while it was still\n                        // being sent then we should update it's id in that list now to make sure future\n                        // actions work.\n                        selectedToRemove.push(oldMessage.id);\n                        selectedToAdd.push(newMessage.id);\n                    }\n                });\n                var newState = StateManager.updateMessages(viewState, data);\n                newState = StateManager.setMessagesSendSuccessById(newState, newMessageIds);\n\n                if (selectedToRemove.length) {\n                    newState = StateManager.removeSelectedMessagesById(newState, selectedToRemove);\n                }\n\n                if (selectedToAdd.length) {\n                    newState = StateManager.addSelectedMessagesById(newState, selectedToAdd);\n                }\n\n                var conversation = formatConversationForEvent(newState);\n\n                if (!newState.id) {\n                    // If this message created the conversation then save the conversation\n                    // id.\n                    newState = StateManager.setId(newState, newConversationId);\n                    conversation.id = newConversationId;\n                    resetMessagePollTimer(newConversationId);\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_CREATED, conversation);\n                    newState = StateManager.setCanDeleteMessagesForAllUsers(newState, newCanDeleteMessagesForAllUsers);\n                }\n\n                // Update the UI with the new message values from the server.\n                render(newState);\n                // Recurse just in case there has been more messages added to the buffer.\n                isSendingMessage = false;\n                processSendMessageBuffer();\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            })\n            .catch(function(e) {\n                var errorMessage;\n                if (e.message) {\n                    errorMessage = $.Deferred().resolve(e.message).promise();\n                } else {\n                    errorMessage = Str.get_string('unknownerror', 'core');\n                }\n\n                var handleFailedMessages = function(errorMessage) {\n                    // We failed to create messages so remove the old messages from the pending queue\n                    // and update the UI to indicate that the message failed.\n                    var newState = StateManager.setMessagesSendFailById(viewState, messageIds, errorMessage);\n                    render(newState);\n                    isSendingMessage = false;\n                    processSendMessageBuffer();\n                };\n\n                errorMessage.then(handleFailedMessages)\n                    .then(function(result) {\n                        pendingPromise.resolve();\n\n                        return result;\n                    })\n                    .catch(function(e) {\n                        // Hrmm, we can't even load the error messages string! We'll have to\n                        // hard code something in English here if we still haven't got a message\n                        // to show.\n                        var finalError = e.message || 'Something went wrong!';\n                        handleFailedMessages(finalError);\n                    });\n            });\n    };\n\n    /**\n     * Create a plain version of an HTML text.\n     *\n     * This texts is used as a message preview while is sent to the server. This way\n     * it is possible to prevent self-xss.\n     *\n     * @param {String} text Text to send.\n     * @return {String} The plain text version of the text.\n     */\n    const previewText = function(text) {\n        // Remove all script and styles from text (we don't want it there).\n        let plaintext = text.replace(/<style([\\s\\S]*?)<\\/style>/gi, '');\n        plaintext = plaintext.replace(/<script([\\s\\S]*?)<\\/script>/gi, '');\n        // Beautify a bit the output adding some line breaks.\n        plaintext = plaintext.replace(/<\\/div>/ig, '\\n');\n        plaintext = plaintext.replace(/<\\/li>/ig, '\\n');\n        plaintext = plaintext.replace(/<li>/ig, '  *  ');\n        plaintext = plaintext.replace(/<\\/ul>/ig, '\\n');\n        plaintext = plaintext.replace(/<\\/p>/ig, '\\n');\n        plaintext = plaintext.replace(/<br[^>]*>/gi, '\\n');\n        // Remove all remaining tags and convert line breaks into html.\n        plaintext = plaintext.replace(/<[^>]+>/ig, '');\n        plaintext = plaintext.replace(/\\n+/ig, '\\n');\n        return plaintext.replace(/\\n/ig, '<br>');\n    };\n\n    /**\n     * Buffers messages to be sent to the server. We use a buffer here to allow the\n     * user to freely input messages without blocking the interface for them.\n     *\n     * Instead we just queue all of their messages up and send them as fast as we can.\n     *\n     * @param {String} text Text to send.\n     */\n    var sendMessage = function(text) {\n        var id = 'temp' + Date.now();\n        // Render a preview version of the message while sending.\n        let loadingmessage = {\n            id: id,\n            useridfrom: viewState.loggedInUserId,\n            text:  previewText(text),\n            timecreated: null\n        };\n        var newState = StateManager.addMessages(viewState, [loadingmessage]);\n        render(newState);\n        // Send the real message.\n        var message = {\n            id: id,\n            useridfrom: viewState.loggedInUserId,\n            text: text,\n            timecreated: null\n        };\n        sendMessageBuffer.push(message);\n        processSendMessageBuffer();\n    };\n\n    /**\n     * Retry sending a message that failed.\n     *\n     * @param {Object} message The message to send.\n     */\n    var retrySendMessage = function(message) {\n        var newState = StateManager.setMessagesSendPendingById(viewState, [message.id]);\n        render(newState);\n        sendMessageBuffer.push(message);\n        processSendMessageBuffer();\n    };\n\n    /**\n     * Toggle the selected messages update the statemanager and render the result.\n     *\n     * @param  {Number} messageId The id of the message to be toggled\n     */\n    var toggleSelectMessage = function(messageId) {\n        var newState = viewState;\n\n        if (viewState.selectedMessageIds.indexOf(messageId) > -1) {\n            newState = StateManager.removeSelectedMessagesById(viewState, [messageId]);\n        } else {\n            newState = StateManager.addSelectedMessagesById(viewState, [messageId]);\n        }\n\n        render(newState);\n    };\n\n    /**\n     * Cancel edit mode (selecting the messages).\n     */\n    var cancelEditMode = function() {\n        cancelRequest(getOtherUserId());\n        var newState = StateManager.removeSelectedMessagesById(viewState, viewState.selectedMessageIds);\n        render(newState);\n    };\n\n    /**\n     * Process the patches in the render buffer one at a time in order until the\n     * buffer is empty.\n     *\n     * @param {Object} header The conversation header container element.\n     * @param {Object} body The conversation body container element.\n     * @param {Object} footer The conversation footer container element.\n     */\n    var processRenderBuffer = function(header, body, footer) {\n        if (isRendering) {\n            return;\n        }\n\n        if (!renderBuffer.length) {\n            return;\n        }\n\n        isRendering = true;\n        var renderable = renderBuffer.shift();\n        var renderPromises = renderers.map(function(renderFunc) {\n            return renderFunc(renderable.patch);\n        });\n\n        $.when.apply(null, renderPromises)\n            .then(function() {\n                isRendering = false;\n                renderable.deferred.resolve(true);\n                // Keep processing the buffer until it's empty.\n                processRenderBuffer(header, body, footer);\n\n                return;\n            })\n            .catch(function(error) {\n                isRendering = false;\n                renderable.deferred.reject(error);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Create a function to render the Conversation.\n     *\n     * @param  {Object} header The conversation header container element.\n     * @param  {Object} body The conversation body container element.\n     * @param  {Object} footer The conversation footer container element.\n     * @param  {Bool} isNewConversation Has someone else already initialised a conversation?\n     * @return {Promise} Renderer promise.\n     */\n    var generateRenderFunction = function(header, body, footer, isNewConversation) {\n        var rendererFunc = function(patch) {\n            return Renderer.render(header, body, footer, patch);\n        };\n\n        if (!isNewConversation) {\n            // Looks like someone got here before us! We'd better update our\n            // UI to make sure it matches.\n            var initialState = StateManager.buildInitialState(viewState.midnight, viewState.loggedInUserId, viewState.id);\n            var syncPatch = Patcher.buildPatch(initialState, viewState);\n            rendererFunc(syncPatch);\n        }\n\n        renderers.push(rendererFunc);\n\n        return function(newState) {\n            var patch = Patcher.buildPatch(viewState, newState);\n            var deferred = $.Deferred();\n\n            // Check if the patch has any data. Ignore empty patches.\n            if (Object.keys(patch).length) {\n                // Add the patch to the render buffer which gets processed in order.\n                renderBuffer.push({\n                    patch: patch,\n                    deferred: deferred\n                });\n            } else {\n                deferred.resolve(true);\n            }\n            // This is a great place to add in some console logging if you need\n            // to debug something. You can log the current state, the next state,\n            // and the generated patch and see exactly what will be updated.\n\n            // Optimistically update the state. We're going to assume that the rendering\n            // will always succeed. The rendering is asynchronous (annoyingly) so it's buffered\n            // but it'll reach eventual consistency with the current state.\n            viewState = newState;\n            if (newState.id) {\n                // Only cache created conversations.\n                stateCache[newState.id] = {\n                    state: newState,\n                    messagesOffset: getMessagesOffset(),\n                    loadedAllMessages: hasLoadedAllMessages()\n                };\n            }\n\n            // Start processing the buffer.\n            processRenderBuffer(header, body, footer);\n\n            return deferred.promise();\n        };\n    };\n\n    /**\n     * Create a confirm action function.\n     *\n     * @param {Function} actionCallback The callback function.\n     * @return {Function} Confirm action handler.\n     */\n    var generateConfirmActionHandler = function(actionCallback) {\n        return function(e, data) {\n            if (!viewState.loadingConfirmAction) {\n                actionCallback(getOtherUserId());\n                var newState = StateManager.setLoadingConfirmAction(viewState, false);\n                render(newState);\n            }\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Send message event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSendMessage = function(e, data) {\n        var target = $(e.target);\n        var footerContainer = target.closest(SELECTORS.FOOTER_CONTAINER);\n        var textArea = footerContainer.find(SELECTORS.MESSAGE_TEXT_AREA);\n        var text = textArea.val().trim();\n\n        if (text !== '') {\n            sendMessage(text);\n            textArea.val('');\n            textArea.focus();\n        }\n\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Select message event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSelectMessage = function(e, data) {\n        var selection = window.getSelection();\n        var target = $(e.target);\n\n        if (selection.toString() != '') {\n            // Bail if we're selecting.\n            return;\n        }\n\n        if (target.is('a')) {\n            // Clicking on a link in the message so ignore it.\n            return;\n        }\n\n        var element = target.closest(SELECTORS.MESSAGE);\n        var messageId = element.attr('data-message-id');\n\n        toggleSelectMessage(messageId);\n\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle retry sending of message.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleRetrySendMessage = function(e, data) {\n        var target = $(e.target);\n        var element = target.closest(SELECTORS.MESSAGE);\n        var messageId = element.attr('data-message-id');\n        var messages = viewState.messages.filter(function(message) {\n            return message.id == messageId;\n        });\n        var message = messages.length ? messages[0] : null;\n\n        if (message) {\n            retrySendMessage(message);\n        }\n\n        data.originalEvent.preventDefault();\n        data.originalEvent.stopPropagation();\n        e.stopPropagation();\n    };\n\n    /**\n     * Cancel edit mode event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleCancelEditMode = function(e, data) {\n        cancelEditMode();\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Show the view contact page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {Function} View contact handler.\n     */\n    var generateHandleViewContact = function(namespace) {\n        return function(e, data) {\n            var otherUserId = getOtherUserId();\n            var otherUser = viewState.members[otherUserId];\n            MessageDrawerRouter.go(namespace, MessageDrawerRoutes.VIEW_CONTACT, otherUser);\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Set this conversation as a favourite.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSetFavourite = function(e, data) {\n        setFavourite().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Unset this conversation as a favourite.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleUnsetFavourite = function(e, data) {\n        unsetFavourite().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Show the view group info page.\n     * Set this conversation as muted.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSetMuted = function(e, data) {\n        setMuted().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Unset this conversation as muted.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleUnsetMuted = function(e, data) {\n        unsetMuted().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle clicking on the checkbox that toggles deleting messages for\n     * all users.\n     *\n     * @param {Object} e Element this event handler is called on.\n     */\n    var handleDeleteMessagesForAllUsersToggle = function(e) {\n        var newValue = $(e.target).prop('checked');\n        var newState = StateManager.setDeleteMessagesForAllUsers(viewState, newValue);\n        render(newState);\n    };\n\n    /**\n     * Show the view contact page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {Function} View group info handler.\n     */\n    var generateHandleViewGroupInfo = function(namespace) {\n        return function(e, data) {\n            MessageDrawerRouter.go(\n                namespace,\n                MessageDrawerRoutes.VIEW_GROUP_INFO,\n                {\n                    id: viewState.id,\n                    name: viewState.name,\n                    subname: viewState.subname,\n                    imageUrl: viewState.imageUrl,\n                    totalMemberCount: viewState.totalMemberCount\n                },\n                viewState.loggedInUserId\n            );\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Handle clicking on the emoji toggle button.\n     *\n     * @param {Object} e The event\n     * @param {Object} data The custom interaction event data\n     */\n    var handleToggleEmojiPicker = function(e, data) {\n        var newState = StateManager.setShowEmojiPicker(viewState, !viewState.showEmojiPicker);\n        render(newState);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle clicking outside the emoji picker to close it.\n     *\n     * @param {Object} e The event\n     */\n    var handleCloseEmojiPicker = function(e) {\n        var target = $(e.target);\n\n        if (\n            viewState.showEmojiPicker &&\n            !target.closest(SELECTORS.EMOJI_PICKER_CONTAINER).length &&\n            !target.closest(SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON).length\n        ) {\n            var newState = StateManager.setShowEmojiPicker(viewState, false);\n            render(newState);\n        }\n    };\n\n    /**\n     * Listen to, and handle events for conversations.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Conversation header container element.\n     * @param {Object} body Conversation body container element.\n     * @param {Object} footer Conversation footer container element.\n     */\n    var registerEventListeners = function(namespace, header, body, footer) {\n        var isLoadingMoreMessages = false;\n        var messagesContainer = getMessagesContainer(body);\n        var emojiPickerElement = footer.find(SELECTORS.EMOJI_PICKER);\n        var emojiAutoCompleteContainer = footer.find(SELECTORS.EMOJI_AUTO_COMPLETE_CONTAINER);\n        var messageTextArea = footer.find(SELECTORS.MESSAGE_TEXT_AREA);\n        var headerActivateHandlers = [\n            [SELECTORS.ACTION_REQUEST_BLOCK, generateConfirmActionHandler(requestBlockUser)],\n            [SELECTORS.ACTION_REQUEST_UNBLOCK, generateConfirmActionHandler(requestUnblockUser)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_REQUEST_REMOVE_CONTACT, generateConfirmActionHandler(requestRemoveContact)],\n            [SELECTORS.ACTION_REQUEST_DELETE_CONVERSATION, generateConfirmActionHandler(requestDeleteConversation)],\n            [SELECTORS.ACTION_CANCEL_EDIT_MODE, handleCancelEditMode],\n            [SELECTORS.ACTION_VIEW_CONTACT, generateHandleViewContact(namespace)],\n            [SELECTORS.ACTION_VIEW_GROUP_INFO, generateHandleViewGroupInfo(namespace)],\n            [SELECTORS.ACTION_CONFIRM_FAVOURITE, handleSetFavourite],\n            [SELECTORS.ACTION_CONFIRM_MUTE, handleSetMuted],\n            [SELECTORS.ACTION_CONFIRM_UNFAVOURITE, handleUnsetFavourite],\n            [SELECTORS.ACTION_CONFIRM_UNMUTE, handleUnsetMuted]\n        ];\n        var bodyActivateHandlers = [\n            [SELECTORS.ACTION_CANCEL_CONFIRM, generateConfirmActionHandler(cancelRequest)],\n            [SELECTORS.ACTION_CONFIRM_BLOCK, generateConfirmActionHandler(blockUser)],\n            [SELECTORS.ACTION_CONFIRM_UNBLOCK, generateConfirmActionHandler(unblockUser)],\n            [SELECTORS.ACTION_CONFIRM_ADD_CONTACT, generateConfirmActionHandler(addContact)],\n            [SELECTORS.ACTION_CONFIRM_REMOVE_CONTACT, generateConfirmActionHandler(removeContact)],\n            [SELECTORS.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES, generateConfirmActionHandler(deleteSelectedMessages)],\n            [SELECTORS.ACTION_CONFIRM_DELETE_CONVERSATION, generateConfirmActionHandler(deleteConversation)],\n            [SELECTORS.ACTION_OKAY_CONFIRM, generateConfirmActionHandler(cancelRequest)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_ACCEPT_CONTACT_REQUEST, generateConfirmActionHandler(acceptContactRequest)],\n            [SELECTORS.ACTION_DECLINE_CONTACT_REQUEST, generateConfirmActionHandler(declineContactRequest)],\n            [SELECTORS.MESSAGE, handleSelectMessage],\n            [SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE, handleDeleteMessagesForAllUsersToggle],\n            [SELECTORS.RETRY_SEND, handleRetrySendMessage]\n        ];\n        var footerActivateHandlers = [\n            [SELECTORS.SEND_MESSAGE_BUTTON, handleSendMessage],\n            [SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON, handleToggleEmojiPicker],\n            [SELECTORS.ACTION_REQUEST_DELETE_SELECTED_MESSAGES, generateConfirmActionHandler(requestDeleteSelectedMessages)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_REQUEST_UNBLOCK, generateConfirmActionHandler(requestUnblockUser)],\n        ];\n\n        AutoRows.init(footer);\n\n        if (emojiAutoCompleteContainer.length) {\n            initialiseEmojiAutoComplete(\n                emojiAutoCompleteContainer[0],\n                messageTextArea[0],\n                function(hasSuggestions) {\n                    var newState = StateManager.setShowEmojiAutoComplete(viewState, hasSuggestions);\n                    render(newState);\n                },\n                function(emoji) {\n                    var newState = StateManager.setShowEmojiAutoComplete(viewState, false);\n                    render(newState);\n\n                    messageTextArea.focus();\n                    var cursorPos = messageTextArea.prop('selectionStart');\n                    var currentText = messageTextArea.val();\n                    var textBefore = currentText.substring(0, cursorPos).replace(/\\S*$/, '');\n                    var textAfter = currentText.substring(cursorPos).replace(/^\\S*/, '');\n\n                    messageTextArea.val(textBefore + emoji + textAfter);\n                    // Set the cursor position to after the inserted emoji.\n                    messageTextArea.prop('selectionStart', textBefore.length + emoji.length);\n                    messageTextArea.prop('selectionEnd', textBefore.length + emoji.length);\n                }\n            );\n        }\n\n        if (emojiPickerElement.length) {\n            initialiseEmojiPicker(emojiPickerElement[0], function(emoji) {\n                var newState = StateManager.setShowEmojiPicker(viewState, !viewState.showEmojiPicker);\n                render(newState);\n\n                messageTextArea.focus();\n                var cursorPos = messageTextArea.prop('selectionStart');\n                var currentText = messageTextArea.val();\n                var textBefore = currentText.substring(0, cursorPos);\n                var textAfter = currentText.substring(cursorPos, currentText.length);\n\n                messageTextArea.val(textBefore + emoji + textAfter);\n                // Set the cursor position to after the inserted emoji.\n                messageTextArea.prop('selectionStart', cursorPos + emoji.length);\n                messageTextArea.prop('selectionEnd', cursorPos + emoji.length);\n            });\n        }\n\n        CustomEvents.define(header, [\n            CustomEvents.events.activate\n        ]);\n        CustomEvents.define(body, [\n            CustomEvents.events.activate\n        ]);\n        CustomEvents.define(footer, [\n            CustomEvents.events.activate,\n            CustomEvents.events.enter,\n            CustomEvents.events.escape\n        ]);\n        CustomEvents.define(messagesContainer, [\n            CustomEvents.events.scrollTop,\n            CustomEvents.events.scrollLock\n        ]);\n\n        messagesContainer.on(CustomEvents.events.scrollTop, function(e, data) {\n            var hasMembers = Object.keys(viewState.members).length > 1;\n\n            if (!isResetting && !isLoadingMoreMessages && !hasLoadedAllMessages() && hasMembers) {\n                isLoadingMoreMessages = true;\n                var newState = StateManager.setLoadingMessages(viewState, true);\n                render(newState);\n\n                loadMessages(viewState.id, LOAD_MESSAGE_LIMIT, getMessagesOffset(), NEWEST_FIRST, [])\n                    .then(function() {\n                        isLoadingMoreMessages = false;\n                        setMessagesOffset(getMessagesOffset() + LOAD_MESSAGE_LIMIT);\n                        return;\n                    })\n                    .catch(function(error) {\n                        isLoadingMoreMessages = false;\n                        Notification.exception(error);\n                    });\n            }\n\n            data.originalEvent.preventDefault();\n        });\n\n        headerActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            header.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        bodyActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            body.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        footerActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            footer.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        footer.on(CustomEvents.events.enter, SELECTORS.MESSAGE_TEXT_AREA, function(e, data) {\n            var enterToSend = footer.attr('data-enter-to-send');\n            if (enterToSend && enterToSend != 'false' && enterToSend != '0') {\n                handleSendMessage(e, data);\n            }\n        });\n\n        footer.on(CustomEvents.events.escape, SELECTORS.EMOJI_PICKER_CONTAINER, handleToggleEmojiPicker);\n        $(document.body).on('click', handleCloseEmojiPicker);\n\n        PubSub.subscribe(MessageDrawerEvents.ROUTE_CHANGED, function(newRouteData) {\n            if (newMessagesPollTimer) {\n                if (newRouteData.route != MessageDrawerRoutes.VIEW_CONVERSATION) {\n                    newMessagesPollTimer.stop();\n                }\n            }\n        });\n    };\n\n    /**\n     * Reset the timer that polls for new messages.\n     *\n     * @param  {Number} conversationId The conversation id\n     */\n    var resetMessagePollTimer = function(conversationId) {\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        newMessagesPollTimer = new BackOffTimer(\n            getLoadNewMessagesCallback(conversationId, NEWEST_FIRST),\n            BackOffTimer.getIncrementalCallback(\n                viewState.messagePollMin * MILLISECONDS_IN_SEC,\n                MILLISECONDS_IN_SEC,\n                viewState.messagePollMax * MILLISECONDS_IN_SEC,\n                viewState.messagePollAfterMax * MILLISECONDS_IN_SEC\n            )\n        );\n\n        newMessagesPollTimer.start();\n    };\n\n    /**\n     * Reset the state to the initial state and render the UI.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number|null} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     */\n    var resetState = function(body, conversationId, loggedInUserProfile) {\n        // Reset all of the states back to the beginning if we're loading a new\n        // conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n        loadedAllMessages = false;\n        messagesOffset = 0;\n        newMessagesPollTimer = null;\n        isRendering = false;\n        renderBuffer = [];\n        isResetting = true;\n        isSendingMessage = false;\n        isDeletingConversationContent = false;\n        sendMessageBuffer = [];\n\n        var loggedInUserId = loggedInUserProfile.id;\n        var midnight = parseInt(body.attr('data-midnight'), 10);\n        var messagePollMin = parseInt(body.attr('data-message-poll-min'), 10);\n        var messagePollMax = parseInt(body.attr('data-message-poll-max'), 10);\n        var messagePollAfterMax = parseInt(body.attr('data-message-poll-after-max'), 10);\n        var initialState = StateManager.buildInitialState(\n            midnight,\n            loggedInUserId,\n            conversationId,\n            messagePollMin,\n            messagePollMax,\n            messagePollAfterMax\n        );\n\n        if (!viewState) {\n            viewState = initialState;\n        }\n\n        render(initialState);\n    };\n\n    /**\n     * Load a new empty private conversation between two users or self-conversation.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @param  {Int} otherUserId The other user's id.\n     * @return {Promise} Renderer promise.\n     */\n    var resetNoConversation = function(body, loggedInUserProfile, otherUserId) {\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, null, loggedInUserProfile);\n\n        var resetNoConversationPromise = null;\n\n        if (loggedInUserProfile.id != otherUserId) {\n            // Private conversation between two different users.\n            resetNoConversationPromise = Repository.getConversationBetweenUsers(\n                loggedInUserProfile.id,\n                otherUserId,\n                true,\n                true,\n                0,\n                0,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        } else {\n            // Self conversation.\n            resetNoConversationPromise = Repository.getSelfConversation(\n                loggedInUserProfile.id,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        }\n\n        return resetNoConversationPromise.then(function(conversation) {\n                // Looks like we have a conversation after all! Let's use that.\n                return resetByConversation(body, conversation, loggedInUserProfile);\n            })\n            .catch(function() {\n                // Can't find a conversation. Oh well. Just load up a blank one.\n                return loadEmptyPrivateConversation(loggedInUserProfile, otherUserId);\n            });\n    };\n\n    /**\n     * Load new messages into the conversation based on a time interval.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @return {Promise} Renderer promise.\n     */\n    var resetById = function(body, conversationId, loggedInUserProfile) {\n        var cache = null;\n        if (conversationId in stateCache) {\n            cache = stateCache[conversationId];\n        }\n\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, conversationId, loggedInUserProfile);\n\n        var promise = $.Deferred().resolve({}).promise();\n        if (cache) {\n            // We've seen this conversation before so there is no need to\n            // send any network requests.\n            var newState = cache.state;\n            // Reset some loading states just in case they were left weirdly.\n            newState = StateManager.setLoadingMessages(newState, false);\n            newState = StateManager.setLoadingMembers(newState, false);\n            setMessagesOffset(cache.messagesOffset);\n            setLoadedAllMessages(cache.loadedAllMessages);\n            render(newState);\n        } else {\n            promise = loadNewConversation(\n                conversationId,\n                loggedInUserProfile,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        }\n\n        return promise.then(function() {\n            return resetMessagePollTimer(conversationId);\n        });\n    };\n\n    /**\n     * Load new messages into the conversation based on a time interval.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Object} conversation The conversation.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @return {Promise} Renderer promise.\n     */\n    var resetByConversation = function(body, conversation, loggedInUserProfile) {\n        var cache = null;\n        if (conversation.id in stateCache) {\n            cache = stateCache[conversation.id];\n        }\n\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, conversation.id, loggedInUserProfile);\n\n        var promise = $.Deferred().resolve({}).promise();\n        if (cache) {\n            // We've seen this conversation before so there is no need to\n            // send any network requests.\n            var newState = cache.state;\n            // Reset some loading states just in case they were left weirdly.\n            newState = StateManager.setLoadingMessages(newState, false);\n            newState = StateManager.setLoadingMembers(newState, false);\n            setMessagesOffset(cache.messagesOffset);\n            setLoadedAllMessages(cache.loadedAllMessages);\n            render(newState);\n        } else {\n            promise = loadExistingConversation(\n                conversation,\n                loggedInUserProfile,\n                LOAD_MESSAGE_LIMIT,\n                NEWEST_FIRST\n            );\n        }\n\n        return promise.then(function() {\n            return resetMessagePollTimer(conversation.id);\n        });\n    };\n\n    /**\n     * Setup the conversation page. This is a rather complex function because there are a\n     * few combinations of arguments that can be provided to this function to show the\n     * conversation.\n     *\n     * There are:\n     * 1.) A conversation object with no action or other user id (e.g. from the overview page)\n     * 2.) A conversation id with no action or other user id (e.g. from the contacts page)\n     * 3.) No conversation/id with an action and other other user id. (e.g. from contact page)\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Conversation header container element.\n     * @param {Object} body Conversation body container element.\n     * @param {Object} footer Conversation footer container element.\n     * @param {Object|Number|null} conversationOrId Conversation or id or null\n     * @param {String} action An action to take on the conversation\n     * @param {Number} otherUserId The other user id for a private conversation\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, conversationOrId, action, otherUserId) {\n        var conversation = null;\n        var conversationId = null;\n\n        // Check what we were given to identify the conversation.\n        if (conversationOrId && conversationOrId !== null && typeof conversationOrId == 'object') {\n            conversation = conversationOrId;\n            conversationId = parseInt(conversation.id, 10);\n        } else {\n            conversation = null;\n            conversationId = parseInt(conversationOrId, 10);\n            conversationId = isNaN(conversationId) ? null : conversationId;\n        }\n\n        if (!conversationId && action && otherUserId) {\n            // If we didn't get a conversation id got a user id then let's see if we've\n            // previously loaded a private conversation with this user.\n            conversationId = getCachedPrivateConversationIdFromUserId(otherUserId);\n        }\n\n        // This is a new conversation if:\n        // 1. We don't already have a state\n        // 2. The given conversation doesn't match the one currently loaded\n        // 3. We have a view state without a conversation id and we weren't given one\n        //    but we were given a different other user id. This happens when the user\n        //    goes from viewing a user that they haven't yet initialised a conversation\n        //    with to viewing a different user that they also haven't initialised a\n        //    conversation with.\n        var isNewConversation = !viewState || (viewState.id != conversationId) || (otherUserId && otherUserId != getOtherUserId());\n\n        if (!body.attr('data-init')) {\n            // Generate the render function to bind the header, body, and footer\n            // elements to it so that we don't need to pass them around this module.\n            render = generateRenderFunction(header, body, footer, isNewConversation);\n            registerEventListeners(namespace, header, body, footer);\n            body.attr('data-init', true);\n        }\n\n        if (isNewConversation) {\n            var renderPromise = null;\n            var loggedInUserProfile = getLoggedInUserProfile(body);\n\n            if (conversation) {\n                renderPromise = resetByConversation(body, conversation, loggedInUserProfile, otherUserId);\n            } else if (conversationId) {\n                renderPromise = resetById(body, conversationId, loggedInUserProfile, otherUserId);\n            } else {\n                renderPromise = resetNoConversation(body, loggedInUserProfile, otherUserId);\n            }\n\n            return renderPromise\n                .then(function() {\n                    isResetting = false;\n                    // Focus the first element that can receieve it in the header.\n                    header.find(Constants.SELECTORS.CAN_RECEIVE_FOCUS).first().focus();\n                    return;\n                })\n                .catch(function(error) {\n                    isResetting = false;\n                    Notification.exception(error);\n                });\n        }\n\n        // We're not loading a new conversation so we should reset the poll timer to try to load\n        // new messages.\n        resetMessagePollTimer(conversationId);\n\n        if (viewState.type == CONVERSATION_TYPES.PRIVATE && action) {\n            // There are special actions that the user can perform in a private (aka 1-to-1)\n            // conversation.\n            var currentOtherUserId = getOtherUserId();\n\n            switch (action) {\n                case 'block':\n                    return requestBlockUser(currentOtherUserId);\n                case 'unblock':\n                    return requestUnblockUser(currentOtherUserId);\n                case 'add-contact':\n                    return requestAddContact(currentOtherUserId);\n                case 'remove-contact':\n                    return requestRemoveContact(currentOtherUserId);\n            }\n        }\n\n        // Final fallback to return a promise if we didn't need to do anything.\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewconversation', 'core_message', viewState.name);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_conversation.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_conversation.min.js","sources":["../src/message_drawer_view_conversation.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the conversation page in the message drawer.\n *\n * This function handles all of the user actions that the user can take\n * when interacting with the conversation page.\n *\n * It maintains a view state which is a data representation of the view\n * and only operates on that data.\n *\n * The view state is immutable and should never be modified directly. Instead\n * all changes to the view state should be done using the StateManager which\n * will generate a new version of the view state with the requested changes.\n *\n * After any changes to the view state the module will call the render function\n * to ask the renderer to update the UI.\n *\n * General rules for this module:\n * 1.) Never modify viewState directly. All changes should be via the StateManager.\n * 2.) Call render() with the new state when you want to update the UI\n * 3.) Never modify the UI directly in this module. This module is only concerned\n *     with the data in the view state.\n *\n * The general flow for a user interaction will be something like:\n * User interaction: User clicks \"confirm block\" button to block the other user\n *      1.) This module is hears the click\n *      2.) This module sends a request to the server to block the user\n *      3.) The server responds with the new user profile\n *      4.) This module generates a new state using the StateManager with the updated\n *          user profile.\n *      5.) This module asks the Patcher to generate a patch from the current state and\n *          the newly generated state. This patch tells the renderer what has changed\n *          between the states.\n *      6.) This module gives the Renderer the generated patch. The renderer updates\n *          the UI with changes according to the patch.\n *\n * @module     core_message/message_drawer_view_conversation\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/auto_rows',\n    'core/backoff_timer',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pending',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_view_conversation_constants',\n    'core_message/message_drawer_view_conversation_patcher',\n    'core_message/message_drawer_view_conversation_renderer',\n    'core_message/message_drawer_view_conversation_state_manager',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core/emoji/auto_complete',\n    'core/emoji/picker'\n],\nfunction(\n    $,\n    AutoRows,\n    BackOffTimer,\n    CustomEvents,\n    Notification,\n    Pending,\n    PubSub,\n    Str,\n    Repository,\n    MessageDrawerEvents,\n    Constants,\n    Patcher,\n    Renderer,\n    StateManager,\n    MessageDrawerRouter,\n    MessageDrawerRoutes,\n    initialiseEmojiAutoComplete,\n    initialiseEmojiPicker\n) {\n\n    // Contains a cache of all view states that have been loaded so far\n    // which saves us having to reload stuff with network requests when\n    // switching between conversations.\n    var stateCache = {};\n    // The current data representation of the view.\n    var viewState = null;\n    var loadedAllMessages = false;\n    var messagesOffset = 0;\n    var newMessagesPollTimer = null;\n    var isRendering = false;\n    var renderBuffer = [];\n    // If the UI is currently resetting.\n    var isResetting = true;\n    // If the UI is currently sending a message.\n    var isSendingMessage = false;\n    // If the UI is currently deleting a conversation.\n    var isDeletingConversationContent = false;\n    // A buffer of messages to send.\n    var sendMessageBuffer = [];\n    // These functions which will be generated when this module is\n    // first called. See generateRenderFunction for details.\n    var render = null;\n    // The list of renderers that have been registered to render\n    // this conversation. See generateRenderFunction for details.\n    var renderers = [];\n\n    var NEWEST_FIRST = Constants.NEWEST_MESSAGES_FIRST;\n    var LOAD_MESSAGE_LIMIT = Constants.LOAD_MESSAGE_LIMIT;\n    var MILLISECONDS_IN_SEC = Constants.MILLISECONDS_IN_SEC;\n    var SELECTORS = Constants.SELECTORS;\n    var CONVERSATION_TYPES = Constants.CONVERSATION_TYPES;\n\n    /**\n     * Get the other user userid.\n     *\n     * @return {Number} Userid.\n     */\n    var getOtherUserId = function() {\n        if (!viewState || viewState.type == CONVERSATION_TYPES.PUBLIC) {\n            return null;\n        }\n\n        var loggedInUserId = viewState.loggedInUserId;\n        if (viewState.type == CONVERSATION_TYPES.SELF) {\n            // It's a self-conversation, so the other user is the one logged in.\n            return loggedInUserId;\n        }\n\n        var otherUserIds = Object.keys(viewState.members).filter(function(userId) {\n            return loggedInUserId != userId;\n        });\n\n        return otherUserIds.length ? otherUserIds[0] : null;\n    };\n\n    /**\n     * Search the cache to see if we've already loaded a private conversation\n     * with the given user id.\n     *\n     * @param {Number} userId The id of the other user.\n     * @return {Number|null} Conversation id.\n     */\n    var getCachedPrivateConversationIdFromUserId = function(userId) {\n        return Object.keys(stateCache).reduce(function(carry, id) {\n            if (!carry) {\n                var state = stateCache[id].state;\n\n                if (state.type != CONVERSATION_TYPES.PUBLIC) {\n                    if (userId in state.members) {\n                        // We've found a cached conversation for this user!\n                        carry = state.id;\n                    }\n                }\n            }\n\n            return carry;\n        }, null);\n    };\n\n    /**\n     * Get profile info for logged in user.\n     *\n     * @param {Object} body Conversation body container element.\n     * @return {Object}\n     */\n    var getLoggedInUserProfile = function(body) {\n        return {\n            id: parseInt(body.attr('data-user-id'), 10),\n            fullname: null,\n            profileimageurl: null,\n            profileimageurlsmall: null,\n            isonline:  null,\n            showonlinestatus: null,\n            isblocked: null,\n            iscontact: null,\n            isdeleted: null,\n            canmessage: null,\n            canmessageevenifblocked: null,\n            requirescontact: null,\n            contactrequests: []\n        };\n    };\n\n    /**\n     * Get the messages offset value to load more messages.\n     *\n     * @return {Number}\n     */\n    var getMessagesOffset = function() {\n        return messagesOffset;\n    };\n\n    /**\n     * Set the messages offset value for loading more messages.\n     *\n     * @param {Number} value The offset value\n     */\n    var setMessagesOffset = function(value) {\n        messagesOffset = value;\n        stateCache[viewState.id].messagesOffset = value;\n    };\n\n    /**\n     * Check if all messages have been loaded.\n     *\n     * @return {Bool}\n     */\n    var hasLoadedAllMessages = function() {\n        return loadedAllMessages;\n    };\n\n    /**\n     * Set whether all messages have been loaded or not.\n     *\n     * @param {Bool} value If all messages have been loaded.\n     */\n    var setLoadedAllMessages = function(value) {\n        loadedAllMessages = value;\n        stateCache[viewState.id].loadedAllMessages = value;\n    };\n\n    /**\n     * Get the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.MESSAGES_CONTAINER);\n    };\n\n    /**\n     * Reformat the conversation for an event payload.\n     *\n     * @param  {Object} state The view state.\n     * @return {Object} New formatted conversation.\n     */\n    var formatConversationForEvent = function(state) {\n        return {\n            id: state.id,\n            name: state.name,\n            subname: state.subname,\n            imageUrl: state.imageUrl,\n            isFavourite: state.isFavourite,\n            isMuted: state.isMuted,\n            type: state.type,\n            totalMemberCount: state.totalMemberCount,\n            loggedInUserId: state.loggedInUserId,\n            messages: state.messages.map(function(message) {\n                return $.extend({}, message);\n            }),\n            members: Object.keys(state.members).map(function(id) {\n                var formattedMember = $.extend({}, state.members[id]);\n                formattedMember.contactrequests = state.members[id].contactrequests.map(function(request) {\n                    return $.extend({}, request);\n                });\n                return formattedMember;\n            })\n        };\n    };\n\n    /**\n     * Load up an empty private conversation between the logged in user and the\n     * other user. Sets all of the conversation details based on the other user.\n     *\n     * A conversation isn't created until the user sends the first message.\n     *\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} otherUserId The other user id.\n     * @return {Object} Profile returned from repository.\n     */\n    var loadEmptyPrivateConversation = function(loggedInUserProfile, otherUserId) {\n        var loggedInUserId = loggedInUserProfile.id;\n        // If the other user id is the same as the logged in user then this is a self\n        // conversation.\n        var conversationType = loggedInUserId == otherUserId ? CONVERSATION_TYPES.SELF : CONVERSATION_TYPES.PRIVATE;\n        var newState = StateManager.setLoadingMembers(viewState, true);\n        newState = StateManager.setLoadingMessages(newState, true);\n        render(newState);\n\n        return Repository.getMemberInfo(loggedInUserId, [otherUserId], true, true)\n            .then(function(profiles) {\n                if (profiles.length) {\n                    return profiles[0];\n                } else {\n                    throw new Error('Unable to load other user profile');\n                }\n            })\n            .then(function(profile) {\n                // If the conversation is a self conversation then the profile loaded is the\n                // logged in user so only add that to the members array.\n                var members = conversationType == CONVERSATION_TYPES.SELF ? [profile] : [profile, loggedInUserProfile];\n                var newState = StateManager.addMembers(viewState, members);\n                newState = StateManager.setLoadingMembers(newState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                newState = StateManager.setName(newState, profile.fullname);\n                newState = StateManager.setType(newState, conversationType);\n                newState = StateManager.setImageUrl(newState, profile.profileimageurl);\n                newState = StateManager.setTotalMemberCount(newState, members.length);\n                render(newState);\n                return profile;\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMembers(viewState, false);\n                render(newState);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Create a new state from a conversation object.\n     *\n     * @param {Object} conversation The conversation object.\n     * @param {Number} loggedInUserId The logged in user id.\n     * @return {Object} new state.\n     */\n    var updateStateFromConversation = function(conversation, loggedInUserId) {\n        var otherUser = null;\n        if (conversation.type == CONVERSATION_TYPES.PRIVATE) {\n            // For private conversations, remove current logged in user from the members list to get the other user.\n            var otherUsers = conversation.members.filter(function(member) {\n                return member.id != loggedInUserId;\n            });\n            otherUser = otherUsers.length ? otherUsers[0] : null;\n        } else if (conversation.type == CONVERSATION_TYPES.SELF) {\n            // Self-conversations have only one member.\n            otherUser = conversation.members[0];\n        }\n\n        var name = conversation.name;\n        var imageUrl = conversation.imageurl;\n\n        if (conversation.type != CONVERSATION_TYPES.PUBLIC) {\n            name = name || otherUser ? otherUser.fullname : '';\n            imageUrl = imageUrl || otherUser ? otherUser.profileimageurl : '';\n        }\n\n        var newState = StateManager.addMembers(viewState, conversation.members);\n        newState = StateManager.setName(newState, name);\n        newState = StateManager.setSubname(newState, conversation.subname);\n        newState = StateManager.setType(newState, conversation.type);\n        newState = StateManager.setImageUrl(newState, imageUrl);\n        newState = StateManager.setTotalMemberCount(newState, conversation.membercount);\n        newState = StateManager.setIsFavourite(newState, conversation.isfavourite);\n        newState = StateManager.setIsMuted(newState, conversation.ismuted);\n        newState = StateManager.addMessages(newState, conversation.messages);\n        newState = StateManager.setCanDeleteMessagesForAllUsers(newState, conversation.candeletemessagesforallusers);\n        return newState;\n    };\n\n    /**\n     * Get the details for a conversation from the conversation id.\n     *\n     * @param  {Number} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} messageLimit The number of messages to include.\n     * @param  {Number} messageOffset The number of messages to skip.\n     * @param  {Bool} newestFirst Order messages newest first.\n     * @return {Object} Promise resolved when loaded.\n     */\n    var loadNewConversation = function(\n        conversationId,\n        loggedInUserProfile,\n        messageLimit,\n        messageOffset,\n        newestFirst\n    ) {\n        var loggedInUserId = loggedInUserProfile.id;\n        var newState = StateManager.setLoadingMembers(viewState, true);\n        newState = StateManager.setLoadingMessages(newState, true);\n        render(newState);\n\n        return Repository.getConversation(\n            loggedInUserId,\n            conversationId,\n            true,\n            true,\n            0,\n            0,\n            messageLimit + 1,\n            messageOffset,\n            newestFirst\n        )\n            .then(function(conversation) {\n                if (conversation.messages.length > messageLimit) {\n                    conversation.messages = conversation.messages.slice(1);\n                } else {\n                    setLoadedAllMessages(true);\n                }\n\n                setMessagesOffset(messageOffset + messageLimit);\n\n                return conversation;\n            })\n            .then(function(conversation) {\n                var hasLoggedInUser = conversation.members.filter(function(member) {\n                    return member.id == loggedInUserProfile.id;\n                });\n\n                if (hasLoggedInUser.length < 1) {\n                    conversation.members = conversation.members.concat([loggedInUserProfile]);\n                }\n\n                var newState = updateStateFromConversation(conversation, loggedInUserProfile.id);\n                newState = StateManager.setLoadingMembers(newState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                return render(newState)\n                    .then(function() {\n                        return conversation;\n                    });\n            })\n            .then(function() {\n                return markConversationAsRead(conversationId);\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMembers(viewState, false);\n                newState = StateManager.setLoadingMessages(newState, false);\n                render(newState);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Get the details for a conversation from and existing conversation object.\n     *\n     * @param  {Object} conversation The conversation object.\n     * @param  {Object} loggedInUserProfile The logged in user profile.\n     * @param  {Number} messageLimit The number of messages to include.\n     * @param  {Bool} newestFirst Order messages newest first.\n     * @return {Object} Promise resolved when loaded.\n     */\n    var loadExistingConversation = function(\n        conversation,\n        loggedInUserProfile,\n        messageLimit,\n        newestFirst\n    ) {\n        var hasLoggedInUser = conversation.members.filter(function(member) {\n            return member.id == loggedInUserProfile.id;\n        });\n\n        if (hasLoggedInUser.length < 1) {\n            conversation.members = conversation.members.concat([loggedInUserProfile]);\n        }\n\n        var messageCount = conversation.messages.length;\n        var hasLoadedEnoughMessages = messageCount >= messageLimit;\n        var newState = updateStateFromConversation(conversation, loggedInUserProfile.id);\n        newState = StateManager.setLoadingMembers(newState, false);\n        newState = StateManager.setLoadingMessages(newState, !hasLoadedEnoughMessages);\n        var renderPromise = render(newState);\n\n        return renderPromise.then(function() {\n                if (!hasLoadedEnoughMessages) {\n                    // We haven't got enough messages so let's load some more.\n                    return loadMessages(conversation.id, messageLimit, messageCount, newestFirst, []);\n                } else {\n                    // We've got enough messages. No need to load any more for now.\n                    return {messages: conversation.messages};\n                }\n            })\n            .then(function() {\n                var messages = viewState.messages;\n                // Update the offset to reflect the number of messages we've loaded.\n                setMessagesOffset(messages.length);\n                markConversationAsRead(viewState.id);\n\n                return messages;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Load messages for this conversation and pass them to the renderer.\n     *\n     * @param  {Number} conversationId Conversation id.\n     * @param  {Number} limit Number of messages to load.\n     * @param  {Number} offset Get messages from offset.\n     * @param  {Bool} newestFirst Get newest messages first.\n     * @param  {Array} ignoreList Ignore any messages with ids in this list.\n     * @param  {Number|null} timeFrom Only get messages from this time onwards.\n     * @return {Promise} renderer promise.\n     */\n    var loadMessages = function(conversationId, limit, offset, newestFirst, ignoreList, timeFrom) {\n        return Repository.getMessages(\n                viewState.loggedInUserId,\n                conversationId,\n                limit ? limit + 1 : limit,\n                offset,\n                newestFirst,\n                timeFrom\n            )\n            .then(function(result) {\n                // Prevent older requests from contaminating the current view.\n                if (result.id != viewState.id) {\n                    result.messages = [];\n                    // Purge old conversation cache to prevent messages lose.\n                    if (result.id in stateCache) {\n                        delete stateCache[result.id];\n                    }\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                if (result.messages.length && ignoreList.length) {\n                    result.messages = result.messages.filter(function(message) {\n                        // Skip any messages in our ignore list.\n                        return ignoreList.indexOf(parseInt(message.id, 10)) < 0;\n                    });\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                if (!limit) {\n                    return result;\n                } else if (result.messages.length > limit) {\n                    // Ignore the last result which was just to test if there are more\n                    // to load.\n                    result.messages = result.messages.slice(0, -1);\n                } else {\n                    setLoadedAllMessages(true);\n                }\n\n                return result;\n            })\n            .then(function(result) {\n                var membersToAdd = result.members.filter(function(member) {\n                    return !(member.id in viewState.members);\n                });\n                var newState = StateManager.addMembers(viewState, membersToAdd);\n                newState = StateManager.addMessages(newState, result.messages);\n                newState = StateManager.setLoadingMessages(newState, false);\n                return render(newState)\n                    .then(function() {\n                        return result;\n                    });\n            })\n            .catch(function(error) {\n                var newState = StateManager.setLoadingMessages(viewState, false);\n                render(newState);\n                // Re-throw the error for other error handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Create a callback function for getting new messages for this conversation.\n     *\n     * @param  {Number} conversationId Conversation id.\n     * @param  {Bool} newestFirst Show newest messages first\n     * @return {Function} Callback function that returns a renderer promise.\n     */\n    var getLoadNewMessagesCallback = function(conversationId, newestFirst) {\n        return function() {\n            var messages = viewState.messages;\n            var mostRecentMessage = messages.length ? messages[messages.length - 1] : null;\n            var lastTimeCreated = mostRecentMessage ? mostRecentMessage.timeCreated : null;\n\n            if (lastTimeCreated && !isResetting && !isSendingMessage && !isDeletingConversationContent) {\n                // There may be multiple messages with the same time created value since\n                // the accuracy is only down to the second. The server will include these\n                // messages in the result (since it does a >= comparison on time from) so\n                // we need to filter them back out of the result so that we're left only\n                // with the new messages.\n                var ignoreMessageIds = [];\n                for (var i = messages.length - 1; i >= 0; i--) {\n                    var message = messages[i];\n                    if (message.timeCreated === lastTimeCreated) {\n                        ignoreMessageIds.push(message.id);\n                    } else {\n                        // Since the messages are ordered in ascending order of time created\n                        // we can break as soon as we hit a message with a different time created\n                        // because we know all other messages will have lower values.\n                        break;\n                    }\n                }\n\n                return loadMessages(\n                        conversationId,\n                        0,\n                        0,\n                        newestFirst,\n                        ignoreMessageIds,\n                        lastTimeCreated\n                    )\n                    .then(function(result) {\n                        if (result.messages.length) {\n                            // If we found some results then restart the polling timer\n                            // because the other user might be sending messages.\n                            newMessagesPollTimer.restart();\n                            // We've also got a new last message so publish that for other\n                            // components to update.\n                            var conversation = formatConversationForEvent(viewState);\n                            PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                            return markConversationAsRead(conversationId);\n                        } else {\n                            return result;\n                        }\n                    });\n            }\n\n            return $.Deferred().resolve().promise();\n        };\n    };\n\n    /**\n     * Mark a conversation as read.\n     *\n     * @param  {Number} conversationId The conversation id.\n     * @return {Promise} The renderer promise.\n     */\n    var markConversationAsRead = function(conversationId) {\n        var loggedInUserId = viewState.loggedInUserId;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n\n        return Repository.markAllConversationMessagesAsRead(loggedInUserId, conversationId)\n            .then(function() {\n                var newState = StateManager.markMessagesAsRead(viewState, viewState.messages);\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_READ, conversationId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is request to block a user and run the renderer\n     * to show the block user dialogue.\n     *\n     * @param {Number} userId User id.\n     */\n    var requestBlockUser = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingBlockUsersById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to block a user, update the statemanager and publish\n     * a contact has been blocked.\n     *\n     * @param  {Number} userId User id of user to block.\n     * @return {Promise} Renderer promise.\n     */\n    var blockUser = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:blockUser');\n\n        render(newState);\n\n        return Repository.blockUser(viewState.loggedInUserId, userId)\n            .then(function(profile) {\n                var newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.removePendingBlockUsersById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_BLOCKED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to unblock a user and run the renderer\n     * to show the unblock user dialogue.\n     *\n     * @param {Number} userId User id of user to unblock.\n     */\n    var requestUnblockUser = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingUnblockUsersById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to unblock a user, update the statemanager and publish\n     * a contact has been unblocked.\n     *\n     * @param  {Number} userId User id of user to unblock.\n     * @return {Promise} Renderer promise.\n     */\n    var unblockUser = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:unblockUser');\n        render(newState);\n\n        return Repository.unblockUser(viewState.loggedInUserId, userId)\n            .then(function(profile) {\n                var newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.removePendingUnblockUsersById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_UNBLOCKED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to remove a user from the contact list\n     * and run the renderer to show the remove user from contacts dialogue.\n     *\n     * @param {Number} userId User id of user to remove from contacts.\n     */\n    var requestRemoveContact = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingRemoveContactsById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to remove a user from the contacts list. update the statemanager\n     * and publish a contact has been removed.\n     *\n     * @param  {Number} userId User id of user to remove from contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var removeContact = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:removeContact');\n        render(newState);\n\n        return Repository.deleteContacts(viewState.loggedInUserId, [userId])\n            .then(function(profiles) {\n                var newState = StateManager.addMembers(viewState, profiles);\n                newState = StateManager.removePendingRemoveContactsById(newState, [userId]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONTACT_REMOVED, userId);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to add a user to the contact list\n     * and run the renderer to show the add user to contacts dialogue.\n     *\n     * @param {Number} userId User id of user to add to contacts.\n     */\n    var requestAddContact = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.addPendingAddContactsById(viewState, [userId]);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to add a user to the contacts list. update the statemanager\n     * and publish a contact has been added.\n     *\n     * @param  {Number} userId User id of user to add to contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var addContact = function(userId) {\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:addContactRequests');\n        render(newState);\n\n        return Repository.createContactRequest(viewState.loggedInUserId, userId)\n            .then(function(response) {\n                if (!response.request) {\n                    throw new Error(response.warnings[0].message);\n                }\n\n                return response.request;\n            })\n            .then(function(request) {\n                var newState = StateManager.removePendingAddContactsById(viewState, [userId]);\n                newState = StateManager.addContactRequests(newState, [request]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Set the current conversation as a favourite conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var setFavourite = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:setFavourite');\n\n        return Repository.setFavouriteConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsFavourite(viewState, true);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_SET_FAVOURITE,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Unset the current conversation as a favourite conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var unsetFavourite = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:unsetFavourite');\n\n        return Repository.unsetFavouriteConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsFavourite(viewState, false);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_UNSET_FAVOURITE,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Set the current conversation as a muted conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var setMuted = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n\n        return Repository.setMutedConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsMuted(viewState, true);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_SET_MUTED,\n                    formatConversationForEvent(viewState)\n                );\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Unset the current conversation as a muted conversation.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var unsetMuted = function() {\n        var userId = viewState.loggedInUserId;\n        var conversationId = viewState.id;\n\n        return Repository.unsetMutedConversations(userId, [conversationId])\n            .then(function() {\n                var newState = StateManager.setIsMuted(viewState, false);\n                return render(newState);\n            })\n            .then(function() {\n                return PubSub.publish(\n                    MessageDrawerEvents.CONVERSATION_UNSET_MUTED,\n                    formatConversationForEvent(viewState)\n                );\n            });\n    };\n\n    /**\n     * Tell the statemanager there is a request to delete the selected messages\n     * and run the renderer to show confirm delete messages dialogue.\n     *\n     * @param {Number} userId User id.\n     */\n    var requestDeleteSelectedMessages = function(userId) {\n        var selectedMessageIds = viewState.selectedMessageIds;\n        cancelRequest(userId);\n        var newState = StateManager.addPendingDeleteMessagesById(viewState, selectedMessageIds);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to delete the messages pending deletion. Update the statemanager\n     * and publish a message deletion event.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var deleteSelectedMessages = function() {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:deleteSelectedMessages');\n        var messageIds = viewState.pendingDeleteMessageIds;\n        var sentMessages = viewState.messages.filter(function(message) {\n            // If a message sendState is null then it means it was loaded from the server or if it's\n            // set to sent then it means the user has successfully sent it in this page load.\n            return messageIds.indexOf(message.id) >= 0 && (message.sendState == 'sent' || message.sendState === null);\n        });\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n\n        render(newState);\n\n        var deleteMessagesPromise = $.Deferred().resolve().promise();\n\n\n        if (sentMessages.length) {\n            // We only need to send a request to the server if we're trying to delete messages that\n            // have successfully been sent.\n            var sentMessageIds = sentMessages.map(function(message) {\n                return message.id;\n            });\n            if (newState.deleteMessagesForAllUsers) {\n                deleteMessagesPromise = Repository.deleteMessagesForAllUsers(viewState.loggedInUserId, sentMessageIds);\n            } else {\n                deleteMessagesPromise = Repository.deleteMessages(viewState.loggedInUserId, sentMessageIds);\n            }\n        }\n\n        // Mark that we are deleting content from the  conversation to prevent updates of it.\n        isDeletingConversationContent = true;\n\n        // Stop polling for new messages to the open conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        return deleteMessagesPromise.then(function() {\n                var newState = StateManager.removeMessagesById(viewState, messageIds);\n                newState = StateManager.removePendingDeleteMessagesById(newState, messageIds);\n                newState = StateManager.removeSelectedMessagesById(newState, messageIds);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                newState = StateManager.setDeleteMessagesForAllUsers(newState, false);\n\n                var prevLastMessage = viewState.messages[viewState.messages.length - 1];\n                var newLastMessage = newState.messages.length ? newState.messages[newState.messages.length - 1] : null;\n\n                if (newLastMessage && newLastMessage.id != prevLastMessage.id) {\n                    var conversation = formatConversationForEvent(newState);\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                } else if (!newState.messages.length) {\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED, newState.id);\n                }\n\n                isDeletingConversationContent = false;\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Tell the statemanager there is a request to delete a conversation\n     * and run the renderer to show confirm delete conversation dialogue.\n     *\n     * @param {Number} userId User id of other user.\n     */\n    var requestDeleteConversation = function(userId) {\n        cancelRequest(userId);\n        var newState = StateManager.setPendingDeleteConversation(viewState, true);\n        render(newState);\n    };\n\n    /**\n     * Send the repository a request to delete a conversation. Update the statemanager\n     * and publish a conversation deleted event.\n     *\n     * @return {Promise} Renderer promise.\n     */\n    var deleteConversation = function() {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:markConversationAsRead');\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        // Mark that we are deleting the conversation to prevent updates of it.\n        isDeletingConversationContent = true;\n\n        // Stop polling for new messages to the open conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        return Repository.deleteConversation(viewState.loggedInUserId, viewState.id)\n            .then(function() {\n                var newState = StateManager.removeMessages(viewState, viewState.messages);\n                newState = StateManager.removeSelectedMessagesById(newState, viewState.selectedMessageIds);\n                newState = StateManager.setPendingDeleteConversation(newState, false);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_DELETED, newState.id);\n\n                isDeletingConversationContent = false;\n\n                return render(newState);\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Tell the statemanager to cancel all pending actions.\n     *\n     * @param  {Number} userId User id.\n     */\n    var cancelRequest = function(userId) {\n        var pendingDeleteMessageIds = viewState.pendingDeleteMessageIds;\n        var newState = StateManager.removePendingAddContactsById(viewState, [userId]);\n        newState = StateManager.removePendingRemoveContactsById(newState, [userId]);\n        newState = StateManager.removePendingUnblockUsersById(newState, [userId]);\n        newState = StateManager.removePendingBlockUsersById(newState, [userId]);\n        newState = StateManager.removePendingDeleteMessagesById(newState, pendingDeleteMessageIds);\n        newState = StateManager.setPendingDeleteConversation(newState, false);\n        newState = StateManager.setDeleteMessagesForAllUsers(newState, false);\n        render(newState);\n    };\n\n    /**\n     * Accept the contact request from the given user.\n     *\n     * @param  {Number} userId User id of other user.\n     * @return {Promise} Renderer promise.\n     */\n    var acceptContactRequest = function(userId) {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:acceptContactRequest');\n\n        // Search the list of the logged in user's contact requests to find the\n        // one from this user.\n        var loggedInUserId = viewState.loggedInUserId;\n        var requests = viewState.members[userId].contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId;\n        });\n        var request = requests[0];\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        return Repository.acceptContactRequest(userId, loggedInUserId)\n            .then(function(profile) {\n                var newState = StateManager.removeContactRequests(viewState, [request]);\n                newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.CONTACT_ADDED, viewState.members[userId]);\n                PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, request);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Decline the contact request from the given user.\n     *\n     * @param  {Number} userId User id of other user.\n     * @return {Promise} Renderer promise.\n     */\n    var declineContactRequest = function(userId) {\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:declineContactRequest');\n\n        // Search the list of the logged in user's contact requests to find the\n        // one from this user.\n        var loggedInUserId = viewState.loggedInUserId;\n        var requests = viewState.members[userId].contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId;\n        });\n        var request = requests[0];\n        var newState = StateManager.setLoadingConfirmAction(viewState, true);\n        render(newState);\n\n        return Repository.declineContactRequest(userId, loggedInUserId)\n            .then(function(profile) {\n                var newState = StateManager.removeContactRequests(viewState, [request]);\n                newState = StateManager.addMembers(viewState, [profile]);\n                newState = StateManager.setLoadingConfirmAction(newState, false);\n                return render(newState);\n            })\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, request);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            });\n    };\n\n    /**\n     * Send all of the messages in the buffer to the server to be created. Update the\n     * UI with the newly created message information.\n     *\n     * This function will recursively call itself in order to make sure the buffer is\n     * always being processed.\n     */\n    var processSendMessageBuffer = function() {\n        if (isSendingMessage) {\n            // We're already sending messages so nothing to do.\n            return;\n        }\n        if (!sendMessageBuffer.length) {\n            // No messages waiting to send. Nothing to do.\n            return;\n        }\n\n        var pendingPromise = new Pending('core_message/message_drawer_view_conversation:processSendMessageBuffer');\n\n        // Flag that we're processing the queue.\n        isSendingMessage = true;\n        // Grab all of the messages in the buffer.\n        var messagesToSend = sendMessageBuffer.slice();\n        // Empty the buffer since we're processing it.\n        sendMessageBuffer = [];\n        var conversationId = viewState.id;\n        var newConversationId = null;\n        var messagesText = messagesToSend.map(function(message) {\n            return message.text;\n        });\n        var messageIds = messagesToSend.map(function(message) {\n            return message.id;\n        });\n        var sendMessagePromise = null;\n        var newCanDeleteMessagesForAllUsers = null;\n        if (!conversationId && (viewState.type != CONVERSATION_TYPES.PUBLIC)) {\n            // If it's a new private conversation then we need to use the old\n            // web service function to create the conversation.\n            var otherUserId = getOtherUserId();\n            sendMessagePromise = Repository.sendMessagesToUser(otherUserId, messagesText)\n                .then(function(messages) {\n                    if (messages.length) {\n                        newConversationId = parseInt(messages[0].conversationid, 10);\n                        newCanDeleteMessagesForAllUsers = messages[0].candeletemessagesforallusers;\n                    }\n                    return messages;\n                });\n        } else {\n            sendMessagePromise = Repository.sendMessagesToConversation(conversationId, messagesText);\n        }\n\n        sendMessagePromise\n            .then(function(messages) {\n                var newMessageIds = messages.map(function(message) {\n                    return message.id;\n                });\n                var data = [];\n                var selectedToRemove = [];\n                var selectedToAdd = [];\n\n                messagesToSend.forEach(function(oldMessage, index) {\n                    var newMessage = messages[index];\n                    // Update messages expects and array of arrays where the first value\n                    // is the old message to update and the second value is the new values\n                    // to set.\n                    data.push([oldMessage, newMessage]);\n\n                    if (viewState.selectedMessageIds.indexOf(oldMessage.id) >= 0) {\n                        // If the message was added to the \"selected messages\" list while it was still\n                        // being sent then we should update it's id in that list now to make sure future\n                        // actions work.\n                        selectedToRemove.push(oldMessage.id);\n                        selectedToAdd.push(newMessage.id);\n                    }\n                });\n                var newState = StateManager.updateMessages(viewState, data);\n                newState = StateManager.setMessagesSendSuccessById(newState, newMessageIds);\n\n                if (selectedToRemove.length) {\n                    newState = StateManager.removeSelectedMessagesById(newState, selectedToRemove);\n                }\n\n                if (selectedToAdd.length) {\n                    newState = StateManager.addSelectedMessagesById(newState, selectedToAdd);\n                }\n\n                var conversation = formatConversationForEvent(newState);\n\n                if (!newState.id) {\n                    // If this message created the conversation then save the conversation\n                    // id.\n                    newState = StateManager.setId(newState, newConversationId);\n                    conversation.id = newConversationId;\n                    resetMessagePollTimer(newConversationId);\n                    PubSub.publish(MessageDrawerEvents.CONVERSATION_CREATED, conversation);\n                    newState = StateManager.setCanDeleteMessagesForAllUsers(newState, newCanDeleteMessagesForAllUsers);\n                }\n\n                // Update the UI with the new message values from the server.\n                render(newState);\n                // Recurse just in case there has been more messages added to the buffer.\n                isSendingMessage = false;\n                processSendMessageBuffer();\n                PubSub.publish(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, conversation);\n                return;\n            })\n            .then(function(result) {\n                pendingPromise.resolve();\n\n                return result;\n            })\n            .catch(function(e) {\n                var errorMessage;\n                if (e.message) {\n                    errorMessage = $.Deferred().resolve(e.message).promise();\n                } else {\n                    errorMessage = Str.get_string('unknownerror', 'core');\n                }\n\n                var handleFailedMessages = function(errorMessage) {\n                    // We failed to create messages so remove the old messages from the pending queue\n                    // and update the UI to indicate that the message failed.\n                    var newState = StateManager.setMessagesSendFailById(viewState, messageIds, errorMessage);\n                    render(newState);\n                    isSendingMessage = false;\n                    processSendMessageBuffer();\n                };\n\n                errorMessage.then(handleFailedMessages)\n                    .then(function(result) {\n                        pendingPromise.resolve();\n\n                        return result;\n                    })\n                    .catch(function(e) {\n                        // Hrmm, we can't even load the error messages string! We'll have to\n                        // hard code something in English here if we still haven't got a message\n                        // to show.\n                        var finalError = e.message || 'Something went wrong!';\n                        handleFailedMessages(finalError);\n                    });\n            });\n    };\n\n    /**\n     * Create a plain version of an HTML text.\n     *\n     * This texts is used as a message preview while is sent to the server. This way\n     * it is possible to prevent self-xss.\n     *\n     * @param {String} text Text to send.\n     * @return {String} The plain text version of the text.\n     */\n    const previewText = function(text) {\n        // Remove all script and styles from text (we don't want it there).\n        let plaintext = text.replace(/<style([\\s\\S]*?)<\\/style>/gi, '');\n        plaintext = plaintext.replace(/<script([\\s\\S]*?)<\\/script>/gi, '');\n        // Beautify a bit the output adding some line breaks.\n        plaintext = plaintext.replace(/<\\/div>/ig, '\\n');\n        plaintext = plaintext.replace(/<\\/li>/ig, '\\n');\n        plaintext = plaintext.replace(/<li>/ig, '  *  ');\n        plaintext = plaintext.replace(/<\\/ul>/ig, '\\n');\n        plaintext = plaintext.replace(/<\\/p>/ig, '\\n');\n        plaintext = plaintext.replace(/<br[^>]*>/gi, '\\n');\n        // Remove all remaining tags and convert line breaks into html.\n        plaintext = plaintext.replace(/<[^>]+>/ig, '');\n        plaintext = plaintext.replace(/\\n+/ig, '\\n');\n        return plaintext.replace(/\\n/ig, '<br>');\n    };\n\n    /**\n     * Buffers messages to be sent to the server. We use a buffer here to allow the\n     * user to freely input messages without blocking the interface for them.\n     *\n     * Instead we just queue all of their messages up and send them as fast as we can.\n     *\n     * @param {String} text Text to send.\n     */\n    var sendMessage = function(text) {\n        var id = 'temp' + Date.now();\n        // Render a preview version of the message while sending.\n        let loadingmessage = {\n            id: id,\n            useridfrom: viewState.loggedInUserId,\n            text:  previewText(text),\n            timecreated: null\n        };\n        var newState = StateManager.addMessages(viewState, [loadingmessage]);\n        render(newState);\n        // Send the real message.\n        var message = {\n            id: id,\n            useridfrom: viewState.loggedInUserId,\n            text: text,\n            timecreated: null\n        };\n        sendMessageBuffer.push(message);\n        processSendMessageBuffer();\n    };\n\n    /**\n     * Retry sending a message that failed.\n     *\n     * @param {Object} message The message to send.\n     */\n    var retrySendMessage = function(message) {\n        var newState = StateManager.setMessagesSendPendingById(viewState, [message.id]);\n        render(newState);\n        sendMessageBuffer.push(message);\n        processSendMessageBuffer();\n    };\n\n    /**\n     * Toggle the selected messages update the statemanager and render the result.\n     *\n     * @param  {Number} messageId The id of the message to be toggled\n     */\n    var toggleSelectMessage = function(messageId) {\n        var newState = viewState;\n\n        if (viewState.selectedMessageIds.indexOf(messageId) > -1) {\n            newState = StateManager.removeSelectedMessagesById(viewState, [messageId]);\n        } else {\n            newState = StateManager.addSelectedMessagesById(viewState, [messageId]);\n        }\n\n        render(newState);\n    };\n\n    /**\n     * Cancel edit mode (selecting the messages).\n     */\n    var cancelEditMode = function() {\n        cancelRequest(getOtherUserId());\n        var newState = StateManager.removeSelectedMessagesById(viewState, viewState.selectedMessageIds);\n        render(newState);\n    };\n\n    /**\n     * Process the patches in the render buffer one at a time in order until the\n     * buffer is empty.\n     *\n     * @param {Object} header The conversation header container element.\n     * @param {Object} body The conversation body container element.\n     * @param {Object} footer The conversation footer container element.\n     */\n    var processRenderBuffer = function(header, body, footer) {\n        if (isRendering) {\n            return;\n        }\n\n        if (!renderBuffer.length) {\n            return;\n        }\n\n        isRendering = true;\n        var renderable = renderBuffer.shift();\n        var renderPromises = renderers.map(function(renderFunc) {\n            return renderFunc(renderable.patch);\n        });\n\n        $.when.apply(null, renderPromises)\n            .then(function() {\n                isRendering = false;\n                renderable.deferred.resolve(true);\n                // Keep processing the buffer until it's empty.\n                processRenderBuffer(header, body, footer);\n\n                return;\n            })\n            .catch(function(error) {\n                isRendering = false;\n                renderable.deferred.reject(error);\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Create a function to render the Conversation.\n     *\n     * @param  {Object} header The conversation header container element.\n     * @param  {Object} body The conversation body container element.\n     * @param  {Object} footer The conversation footer container element.\n     * @param  {Bool} isNewConversation Has someone else already initialised a conversation?\n     * @return {Promise} Renderer promise.\n     */\n    var generateRenderFunction = function(header, body, footer, isNewConversation) {\n        var rendererFunc = function(patch) {\n            return Renderer.render(header, body, footer, patch);\n        };\n\n        if (!isNewConversation) {\n            // Looks like someone got here before us! We'd better update our\n            // UI to make sure it matches.\n            var initialState = StateManager.buildInitialState(viewState.midnight, viewState.loggedInUserId, viewState.id);\n            var syncPatch = Patcher.buildPatch(initialState, viewState);\n            rendererFunc(syncPatch);\n        }\n\n        renderers.push(rendererFunc);\n\n        return function(newState) {\n            var patch = Patcher.buildPatch(viewState, newState);\n            var deferred = $.Deferred();\n\n            // Check if the patch has any data. Ignore empty patches.\n            if (Object.keys(patch).length) {\n                // Add the patch to the render buffer which gets processed in order.\n                renderBuffer.push({\n                    patch: patch,\n                    deferred: deferred\n                });\n            } else {\n                deferred.resolve(true);\n            }\n            // This is a great place to add in some console logging if you need\n            // to debug something. You can log the current state, the next state,\n            // and the generated patch and see exactly what will be updated.\n\n            // Optimistically update the state. We're going to assume that the rendering\n            // will always succeed. The rendering is asynchronous (annoyingly) so it's buffered\n            // but it'll reach eventual consistency with the current state.\n            viewState = newState;\n            if (newState.id) {\n                // Only cache created conversations.\n                stateCache[newState.id] = {\n                    state: newState,\n                    messagesOffset: getMessagesOffset(),\n                    loadedAllMessages: hasLoadedAllMessages()\n                };\n            }\n\n            // Start processing the buffer.\n            processRenderBuffer(header, body, footer);\n\n            return deferred.promise();\n        };\n    };\n\n    /**\n     * Create a confirm action function.\n     *\n     * @param {Function} actionCallback The callback function.\n     * @return {Function} Confirm action handler.\n     */\n    var generateConfirmActionHandler = function(actionCallback) {\n        return function(e, data) {\n            if (!viewState.loadingConfirmAction) {\n                actionCallback(getOtherUserId());\n                var newState = StateManager.setLoadingConfirmAction(viewState, false);\n                render(newState);\n            }\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Send message event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSendMessage = function(e, data) {\n        var target = $(e.target);\n        var footerContainer = target.closest(SELECTORS.FOOTER_CONTAINER);\n        var textArea = footerContainer.find(SELECTORS.MESSAGE_TEXT_AREA);\n        var text = textArea.val().trim();\n\n        if (text !== '') {\n            sendMessage(text);\n            textArea.val('');\n            textArea.focus();\n        }\n\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Select message event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSelectMessage = function(e, data) {\n        var selection = window.getSelection();\n        var target = $(e.target);\n\n        if (selection.toString() != '') {\n            // Bail if we're selecting.\n            return;\n        }\n\n        if (target.is('a')) {\n            // Clicking on a link in the message so ignore it.\n            return;\n        }\n\n        var element = target.closest(SELECTORS.MESSAGE);\n        var messageId = element.attr('data-message-id');\n\n        toggleSelectMessage(messageId);\n\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle retry sending of message.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleRetrySendMessage = function(e, data) {\n        var target = $(e.target);\n        var element = target.closest(SELECTORS.MESSAGE);\n        var messageId = element.attr('data-message-id');\n        var messages = viewState.messages.filter(function(message) {\n            return message.id == messageId;\n        });\n        var message = messages.length ? messages[0] : null;\n\n        if (message) {\n            retrySendMessage(message);\n        }\n\n        data.originalEvent.preventDefault();\n        data.originalEvent.stopPropagation();\n        e.stopPropagation();\n    };\n\n    /**\n     * Cancel edit mode event handler.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleCancelEditMode = function(e, data) {\n        cancelEditMode();\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Show the view contact page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {Function} View contact handler.\n     */\n    var generateHandleViewContact = function(namespace) {\n        return function(e, data) {\n            var otherUserId = getOtherUserId();\n            var otherUser = viewState.members[otherUserId];\n            MessageDrawerRouter.go(namespace, MessageDrawerRoutes.VIEW_CONTACT, otherUser);\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Set this conversation as a favourite.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSetFavourite = function(e, data) {\n        setFavourite().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Unset this conversation as a favourite.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleUnsetFavourite = function(e, data) {\n        unsetFavourite().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Show the view group info page.\n     * Set this conversation as muted.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleSetMuted = function(e, data) {\n        setMuted().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Unset this conversation as muted.\n     *\n     * @param {Object} e Element this event handler is called on.\n     * @param {Object} data Data for this event.\n     */\n    var handleUnsetMuted = function(e, data) {\n        unsetMuted().catch(Notification.exception);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle clicking on the checkbox that toggles deleting messages for\n     * all users.\n     *\n     * @param {Object} e Element this event handler is called on.\n     */\n    var handleDeleteMessagesForAllUsersToggle = function(e) {\n        var newValue = $(e.target).prop('checked');\n        var newState = StateManager.setDeleteMessagesForAllUsers(viewState, newValue);\n        render(newState);\n    };\n\n    /**\n     * Show the view contact page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @return {Function} View group info handler.\n     */\n    var generateHandleViewGroupInfo = function(namespace) {\n        return function(e, data) {\n            MessageDrawerRouter.go(\n                namespace,\n                MessageDrawerRoutes.VIEW_GROUP_INFO,\n                {\n                    id: viewState.id,\n                    name: viewState.name,\n                    subname: viewState.subname,\n                    imageUrl: viewState.imageUrl,\n                    totalMemberCount: viewState.totalMemberCount\n                },\n                viewState.loggedInUserId\n            );\n            data.originalEvent.preventDefault();\n        };\n    };\n\n    /**\n     * Handle clicking on the emoji toggle button.\n     *\n     * @param {Object} e The event\n     * @param {Object} data The custom interaction event data\n     */\n    var handleToggleEmojiPicker = function(e, data) {\n        var newState = StateManager.setShowEmojiPicker(viewState, !viewState.showEmojiPicker);\n        render(newState);\n        data.originalEvent.preventDefault();\n    };\n\n    /**\n     * Handle clicking outside the emoji picker to close it.\n     *\n     * @param {Object} e The event\n     */\n    var handleCloseEmojiPicker = function(e) {\n        var target = $(e.target);\n\n        if (\n            viewState.showEmojiPicker &&\n            !target.closest(SELECTORS.EMOJI_PICKER_CONTAINER).length &&\n            !target.closest(SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON).length\n        ) {\n            var newState = StateManager.setShowEmojiPicker(viewState, false);\n            render(newState);\n        }\n    };\n\n    /**\n     * Listen to, and handle events for conversations.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Conversation header container element.\n     * @param {Object} body Conversation body container element.\n     * @param {Object} footer Conversation footer container element.\n     */\n    var registerEventListeners = function(namespace, header, body, footer) {\n        var isLoadingMoreMessages = false;\n        var messagesContainer = getMessagesContainer(body);\n        var emojiPickerElement = footer.find(SELECTORS.EMOJI_PICKER);\n        var emojiAutoCompleteContainer = footer.find(SELECTORS.EMOJI_AUTO_COMPLETE_CONTAINER);\n        var messageTextArea = footer.find(SELECTORS.MESSAGE_TEXT_AREA);\n        var headerActivateHandlers = [\n            [SELECTORS.ACTION_REQUEST_BLOCK, generateConfirmActionHandler(requestBlockUser)],\n            [SELECTORS.ACTION_REQUEST_UNBLOCK, generateConfirmActionHandler(requestUnblockUser)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_REQUEST_REMOVE_CONTACT, generateConfirmActionHandler(requestRemoveContact)],\n            [SELECTORS.ACTION_REQUEST_DELETE_CONVERSATION, generateConfirmActionHandler(requestDeleteConversation)],\n            [SELECTORS.ACTION_CANCEL_EDIT_MODE, handleCancelEditMode],\n            [SELECTORS.ACTION_VIEW_CONTACT, generateHandleViewContact(namespace)],\n            [SELECTORS.ACTION_VIEW_GROUP_INFO, generateHandleViewGroupInfo(namespace)],\n            [SELECTORS.ACTION_CONFIRM_FAVOURITE, handleSetFavourite],\n            [SELECTORS.ACTION_CONFIRM_MUTE, handleSetMuted],\n            [SELECTORS.ACTION_CONFIRM_UNFAVOURITE, handleUnsetFavourite],\n            [SELECTORS.ACTION_CONFIRM_UNMUTE, handleUnsetMuted]\n        ];\n        var bodyActivateHandlers = [\n            [SELECTORS.ACTION_CANCEL_CONFIRM, generateConfirmActionHandler(cancelRequest)],\n            [SELECTORS.ACTION_CONFIRM_BLOCK, generateConfirmActionHandler(blockUser)],\n            [SELECTORS.ACTION_CONFIRM_UNBLOCK, generateConfirmActionHandler(unblockUser)],\n            [SELECTORS.ACTION_CONFIRM_ADD_CONTACT, generateConfirmActionHandler(addContact)],\n            [SELECTORS.ACTION_CONFIRM_REMOVE_CONTACT, generateConfirmActionHandler(removeContact)],\n            [SELECTORS.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES, generateConfirmActionHandler(deleteSelectedMessages)],\n            [SELECTORS.ACTION_CONFIRM_DELETE_CONVERSATION, generateConfirmActionHandler(deleteConversation)],\n            [SELECTORS.ACTION_OKAY_CONFIRM, generateConfirmActionHandler(cancelRequest)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_ACCEPT_CONTACT_REQUEST, generateConfirmActionHandler(acceptContactRequest)],\n            [SELECTORS.ACTION_DECLINE_CONTACT_REQUEST, generateConfirmActionHandler(declineContactRequest)],\n            [SELECTORS.MESSAGE, handleSelectMessage],\n            [SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE, handleDeleteMessagesForAllUsersToggle],\n            [SELECTORS.RETRY_SEND, handleRetrySendMessage]\n        ];\n        var footerActivateHandlers = [\n            [SELECTORS.SEND_MESSAGE_BUTTON, handleSendMessage],\n            [SELECTORS.TOGGLE_EMOJI_PICKER_BUTTON, handleToggleEmojiPicker],\n            [SELECTORS.ACTION_REQUEST_DELETE_SELECTED_MESSAGES, generateConfirmActionHandler(requestDeleteSelectedMessages)],\n            [SELECTORS.ACTION_REQUEST_ADD_CONTACT, generateConfirmActionHandler(requestAddContact)],\n            [SELECTORS.ACTION_REQUEST_UNBLOCK, generateConfirmActionHandler(requestUnblockUser)],\n        ];\n\n        AutoRows.init(footer);\n\n        if (emojiAutoCompleteContainer.length) {\n            initialiseEmojiAutoComplete(\n                emojiAutoCompleteContainer[0],\n                messageTextArea[0],\n                function(hasSuggestions) {\n                    var newState = StateManager.setShowEmojiAutoComplete(viewState, hasSuggestions);\n                    render(newState);\n                },\n                function(emoji) {\n                    var newState = StateManager.setShowEmojiAutoComplete(viewState, false);\n                    render(newState);\n\n                    messageTextArea.focus();\n                    var cursorPos = messageTextArea.prop('selectionStart');\n                    var currentText = messageTextArea.val();\n                    var textBefore = currentText.substring(0, cursorPos).replace(/\\S*$/, '');\n                    var textAfter = currentText.substring(cursorPos).replace(/^\\S*/, '');\n\n                    messageTextArea.val(textBefore + emoji + textAfter);\n                    // Set the cursor position to after the inserted emoji.\n                    messageTextArea.prop('selectionStart', textBefore.length + emoji.length);\n                    messageTextArea.prop('selectionEnd', textBefore.length + emoji.length);\n                }\n            );\n        }\n\n        if (emojiPickerElement.length) {\n            initialiseEmojiPicker(emojiPickerElement[0], function(emoji) {\n                var newState = StateManager.setShowEmojiPicker(viewState, !viewState.showEmojiPicker);\n                render(newState);\n\n                messageTextArea.focus();\n                var cursorPos = messageTextArea.prop('selectionStart');\n                var currentText = messageTextArea.val();\n                var textBefore = currentText.substring(0, cursorPos);\n                var textAfter = currentText.substring(cursorPos, currentText.length);\n\n                messageTextArea.val(textBefore + emoji + textAfter);\n                // Set the cursor position to after the inserted emoji.\n                messageTextArea.prop('selectionStart', cursorPos + emoji.length);\n                messageTextArea.prop('selectionEnd', cursorPos + emoji.length);\n            });\n        }\n\n        CustomEvents.define(header, [\n            CustomEvents.events.activate\n        ]);\n        CustomEvents.define(body, [\n            CustomEvents.events.activate\n        ]);\n        CustomEvents.define(footer, [\n            CustomEvents.events.activate,\n            CustomEvents.events.enter,\n            CustomEvents.events.escape\n        ]);\n        CustomEvents.define(messagesContainer, [\n            CustomEvents.events.scrollTop,\n            CustomEvents.events.scrollLock\n        ]);\n\n        messagesContainer.on(CustomEvents.events.scrollTop, function(e, data) {\n            var hasMembers = Object.keys(viewState.members).length > 1;\n\n            if (!isResetting && !isLoadingMoreMessages && !hasLoadedAllMessages() && hasMembers) {\n                isLoadingMoreMessages = true;\n                var newState = StateManager.setLoadingMessages(viewState, true);\n                render(newState);\n\n                loadMessages(viewState.id, LOAD_MESSAGE_LIMIT, getMessagesOffset(), NEWEST_FIRST, [])\n                    .then(function() {\n                        isLoadingMoreMessages = false;\n                        setMessagesOffset(getMessagesOffset() + LOAD_MESSAGE_LIMIT);\n                        return;\n                    })\n                    .catch(function(error) {\n                        isLoadingMoreMessages = false;\n                        Notification.exception(error);\n                    });\n            }\n\n            data.originalEvent.preventDefault();\n        });\n\n        headerActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            header.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        bodyActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            body.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        footerActivateHandlers.forEach(function(handler) {\n            var selector = handler[0];\n            var handlerFunction = handler[1];\n            footer.on(CustomEvents.events.activate, selector, handlerFunction);\n        });\n\n        footer.on(CustomEvents.events.enter, SELECTORS.MESSAGE_TEXT_AREA, function(e, data) {\n            var enterToSend = footer.attr('data-enter-to-send');\n            if (enterToSend && enterToSend != 'false' && enterToSend != '0') {\n                handleSendMessage(e, data);\n            }\n        });\n\n        footer.on(CustomEvents.events.escape, SELECTORS.EMOJI_PICKER_CONTAINER, handleToggleEmojiPicker);\n        $(document.body).on('click', handleCloseEmojiPicker);\n\n        PubSub.subscribe(MessageDrawerEvents.ROUTE_CHANGED, function(newRouteData) {\n            if (newMessagesPollTimer) {\n                if (newRouteData.route != MessageDrawerRoutes.VIEW_CONVERSATION) {\n                    newMessagesPollTimer.stop();\n                }\n            }\n        });\n    };\n\n    /**\n     * Reset the timer that polls for new messages.\n     *\n     * @param  {Number} conversationId The conversation id\n     */\n    var resetMessagePollTimer = function(conversationId) {\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n\n        newMessagesPollTimer = new BackOffTimer(\n            getLoadNewMessagesCallback(conversationId, NEWEST_FIRST),\n            BackOffTimer.getIncrementalCallback(\n                viewState.messagePollMin * MILLISECONDS_IN_SEC,\n                MILLISECONDS_IN_SEC,\n                viewState.messagePollMax * MILLISECONDS_IN_SEC,\n                viewState.messagePollAfterMax * MILLISECONDS_IN_SEC\n            )\n        );\n\n        newMessagesPollTimer.start();\n    };\n\n    /**\n     * Reset the state to the initial state and render the UI.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number|null} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     */\n    var resetState = function(body, conversationId, loggedInUserProfile) {\n        // Reset all of the states back to the beginning if we're loading a new\n        // conversation.\n        if (newMessagesPollTimer) {\n            newMessagesPollTimer.stop();\n        }\n        loadedAllMessages = false;\n        messagesOffset = 0;\n        newMessagesPollTimer = null;\n        isRendering = false;\n        renderBuffer = [];\n        isResetting = true;\n        isSendingMessage = false;\n        isDeletingConversationContent = false;\n        sendMessageBuffer = [];\n\n        var loggedInUserId = loggedInUserProfile.id;\n        var midnight = parseInt(body.attr('data-midnight'), 10);\n        var messagePollMin = parseInt(body.attr('data-message-poll-min'), 10);\n        var messagePollMax = parseInt(body.attr('data-message-poll-max'), 10);\n        var messagePollAfterMax = parseInt(body.attr('data-message-poll-after-max'), 10);\n        var initialState = StateManager.buildInitialState(\n            midnight,\n            loggedInUserId,\n            conversationId,\n            messagePollMin,\n            messagePollMax,\n            messagePollAfterMax\n        );\n\n        if (!viewState) {\n            viewState = initialState;\n        }\n\n        render(initialState);\n    };\n\n    /**\n     * Load a new empty private conversation between two users or self-conversation.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @param  {Int} otherUserId The other user's id.\n     * @return {Promise} Renderer promise.\n     */\n    var resetNoConversation = function(body, loggedInUserProfile, otherUserId) {\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, null, loggedInUserProfile);\n\n        var resetNoConversationPromise = null;\n\n        if (loggedInUserProfile.id != otherUserId) {\n            // Private conversation between two different users.\n            resetNoConversationPromise = Repository.getConversationBetweenUsers(\n                loggedInUserProfile.id,\n                otherUserId,\n                true,\n                true,\n                0,\n                0,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        } else {\n            // Self conversation.\n            resetNoConversationPromise = Repository.getSelfConversation(\n                loggedInUserProfile.id,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        }\n\n        return resetNoConversationPromise.then(function(conversation) {\n                // Looks like we have a conversation after all! Let's use that.\n                return resetByConversation(body, conversation, loggedInUserProfile);\n            })\n            .catch(function() {\n                // Can't find a conversation. Oh well. Just load up a blank one.\n                return loadEmptyPrivateConversation(loggedInUserProfile, otherUserId);\n            });\n    };\n\n    /**\n     * Load new messages into the conversation based on a time interval.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number} conversationId The conversation id.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @return {Promise} Renderer promise.\n     */\n    var resetById = function(body, conversationId, loggedInUserProfile) {\n        var cache = null;\n        if (conversationId in stateCache) {\n            cache = stateCache[conversationId];\n        }\n\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, conversationId, loggedInUserProfile);\n\n        var promise = $.Deferred().resolve({}).promise();\n        if (cache) {\n            // We've seen this conversation before so there is no need to\n            // send any network requests.\n            var newState = cache.state;\n            // Reset some loading states just in case they were left weirdly.\n            newState = StateManager.setLoadingMessages(newState, false);\n            newState = StateManager.setLoadingMembers(newState, false);\n            setMessagesOffset(cache.messagesOffset);\n            setLoadedAllMessages(cache.loadedAllMessages);\n            render(newState);\n        } else {\n            promise = loadNewConversation(\n                conversationId,\n                loggedInUserProfile,\n                LOAD_MESSAGE_LIMIT,\n                0,\n                NEWEST_FIRST\n            );\n        }\n\n        return promise.then(function() {\n            return resetMessagePollTimer(conversationId);\n        });\n    };\n\n    /**\n     * Load new messages into the conversation based on a time interval.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Object} conversation The conversation.\n     * @param  {Object} loggedInUserProfile The logged in user's profile.\n     * @return {Promise} Renderer promise.\n     */\n    var resetByConversation = function(body, conversation, loggedInUserProfile) {\n        var cache = null;\n        if (conversation.id in stateCache) {\n            cache = stateCache[conversation.id];\n        }\n\n        // Always reset the state back to the initial state so that the\n        // state manager and patcher can work correctly.\n        resetState(body, conversation.id, loggedInUserProfile);\n\n        var promise = $.Deferred().resolve({}).promise();\n        if (cache) {\n            // We've seen this conversation before so there is no need to\n            // send any network requests.\n            var newState = cache.state;\n            // Reset some loading states just in case they were left weirdly.\n            newState = StateManager.setLoadingMessages(newState, false);\n            newState = StateManager.setLoadingMembers(newState, false);\n            setMessagesOffset(cache.messagesOffset);\n            setLoadedAllMessages(cache.loadedAllMessages);\n            render(newState);\n        } else {\n            promise = loadExistingConversation(\n                conversation,\n                loggedInUserProfile,\n                LOAD_MESSAGE_LIMIT,\n                NEWEST_FIRST\n            );\n        }\n\n        return promise.then(function() {\n            return resetMessagePollTimer(conversation.id);\n        });\n    };\n\n    /**\n     * Setup the conversation page. This is a rather complex function because there are a\n     * few combinations of arguments that can be provided to this function to show the\n     * conversation.\n     *\n     * There are:\n     * 1.) A conversation object with no action or other user id (e.g. from the overview page)\n     * 2.) A conversation id with no action or other user id (e.g. from the contacts page)\n     * 3.) No conversation/id with an action and other other user id. (e.g. from contact page)\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Conversation header container element.\n     * @param {Object} body Conversation body container element.\n     * @param {Object} footer Conversation footer container element.\n     * @param {Object|Number|null} conversationOrId Conversation or id or null\n     * @param {String} action An action to take on the conversation\n     * @param {Number} otherUserId The other user id for a private conversation\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, conversationOrId, action, otherUserId) {\n        var conversation = null;\n        var conversationId = null;\n\n        // Check what we were given to identify the conversation.\n        if (conversationOrId && conversationOrId !== null && typeof conversationOrId == 'object') {\n            conversation = conversationOrId;\n            conversationId = parseInt(conversation.id, 10);\n        } else {\n            conversation = null;\n            conversationId = parseInt(conversationOrId, 10);\n            conversationId = isNaN(conversationId) ? null : conversationId;\n        }\n\n        if (!conversationId && action && otherUserId) {\n            // If we didn't get a conversation id got a user id then let's see if we've\n            // previously loaded a private conversation with this user.\n            conversationId = getCachedPrivateConversationIdFromUserId(otherUserId);\n        }\n\n        // This is a new conversation if:\n        // 1. We don't already have a state\n        // 2. The given conversation doesn't match the one currently loaded\n        // 3. We have a view state without a conversation id and we weren't given one\n        //    but we were given a different other user id. This happens when the user\n        //    goes from viewing a user that they haven't yet initialised a conversation\n        //    with to viewing a different user that they also haven't initialised a\n        //    conversation with.\n        var isNewConversation = !viewState || (viewState.id != conversationId) || (otherUserId && otherUserId != getOtherUserId());\n\n        if (!body.attr('data-init')) {\n            // Generate the render function to bind the header, body, and footer\n            // elements to it so that we don't need to pass them around this module.\n            render = generateRenderFunction(header, body, footer, isNewConversation);\n            registerEventListeners(namespace, header, body, footer);\n            body.attr('data-init', true);\n        }\n\n        if (isNewConversation) {\n            var renderPromise = null;\n            var loggedInUserProfile = getLoggedInUserProfile(body);\n\n            if (conversation) {\n                renderPromise = resetByConversation(body, conversation, loggedInUserProfile, otherUserId);\n            } else if (conversationId) {\n                renderPromise = resetById(body, conversationId, loggedInUserProfile, otherUserId);\n            } else {\n                renderPromise = resetNoConversation(body, loggedInUserProfile, otherUserId);\n            }\n\n            return renderPromise\n                .then(function() {\n                    isResetting = false;\n                    // Focus the first element that can receieve it in the header.\n                    header.find(Constants.SELECTORS.CAN_RECEIVE_FOCUS).first().focus();\n                    return;\n                })\n                .catch(function(error) {\n                    isResetting = false;\n                    Notification.exception(error);\n                });\n        }\n\n        // We're not loading a new conversation so we should reset the poll timer to try to load\n        // new messages.\n        resetMessagePollTimer(conversationId);\n\n        if (viewState.type == CONVERSATION_TYPES.PRIVATE && action) {\n            // There are special actions that the user can perform in a private (aka 1-to-1)\n            // conversation.\n            var currentOtherUserId = getOtherUserId();\n\n            switch (action) {\n                case 'block':\n                    return requestBlockUser(currentOtherUserId);\n                case 'unblock':\n                    return requestUnblockUser(currentOtherUserId);\n                case 'add-contact':\n                    return requestAddContact(currentOtherUserId);\n                case 'remove-contact':\n                    return requestRemoveContact(currentOtherUserId);\n            }\n        }\n\n        // Final fallback to return a promise if we didn't need to do anything.\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewconversation', 'core_message', viewState.name);\n    };\n\n    return {\n        show: show,\n        description: description\n    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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation_constants.min.js b/message/amd/build/message_drawer_view_conversation_constants.min.js
index b603cf21c5d..09559fc9ae0 100644
--- a/message/amd/build/message_drawer_view_conversation_constants.min.js
+++ b/message/amd/build/message_drawer_view_conversation_constants.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_drawer_view_conversation_constants",[],function(){return{SELECTORS:{ACTION_ACCEPT_CONTACT_REQUEST:"[data-action=\"accept-contact-request\"]",ACTION_CANCEL_CONFIRM:"[data-action=\"cancel-confirm\"]",ACTION_OKAY_CONFIRM:"[data-action=\"okay-confirm\"]",ACTION_CANCEL_EDIT_MODE:"[data-action=\"cancel-edit-mode\"]",ACTION_CONFIRM_ADD_CONTACT:"[data-action=\"confirm-add-contact\"]",ACTION_CONFIRM_BLOCK:"[data-action=\"confirm-block\"]",ACTION_CONFIRM_DELETE_SELECTED_MESSAGES:"[data-action=\"confirm-delete-selected-messages\"]",ACTION_CONFIRM_DELETE_CONVERSATION:"[data-action=\"confirm-delete-conversation\"]",ACTION_CONFIRM_FAVOURITE:"[data-action=\"confirm-favourite\"]",ACTION_CONFIRM_MUTE:"[data-action=\"confirm-mute\"]",ACTION_CONFIRM_UNFAVOURITE:"[data-action=\"confirm-unfavourite\"]",ACTION_CONFIRM_REMOVE_CONTACT:"[data-action=\"confirm-remove-contact\"]",ACTION_CONFIRM_UNBLOCK:"[data-action=\"confirm-unblock\"]",ACTION_CONFIRM_UNMUTE:"[data-action=\"confirm-unmute\"]",ACTION_DECLINE_CONTACT_REQUEST:"[data-action=\"decline-contact-request\"]",ACTION_REQUEST_ADD_CONTACT:"[data-action=\"request-add-contact\"]",ACTION_REQUEST_BLOCK:"[data-action=\"request-block\"]",ACTION_REQUEST_DELETE_CONVERSATION:"[data-action=\"request-delete-conversation\"]",ACTION_REQUEST_DELETE_SELECTED_MESSAGES:"[data-action=\"delete-selected-messages\"]",ACTION_REQUEST_REMOVE_CONTACT:"[data-action=\"request-remove-contact\"]",ACTION_REQUEST_UNBLOCK:"[data-action=\"request-unblock\"]",ACTION_VIEW_CONTACT:"[data-action=\"view-contact\"]",ACTION_VIEW_GROUP_INFO:"[data-action=\"view-group-info\"]",CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]",CONFIRM_DIALOGUE:"[data-region=\"confirm-dialogue\"]",CONFIRM_DIALOGUE_BUTTON_TEXT:"[data-region=\"dialogue-button-text\"]",CONFIRM_DIALOGUE_CANCEL_BUTTON:"[data-action=\"cancel-confirm\"]",CONFIRM_DIALOGUE_CONTAINER:"[data-region=\"confirm-dialogue-container\"]",CONFIRM_DIALOGUE_HEADER:"[data-region=\"dialogue-header\"]",CONFIRM_DIALOGUE_OKAY_BUTTON:"[data-action=\"okay-confirm\"]",CONFIRM_DIALOGUE_TEXT:"[data-region=\"dialogue-text\"]",CONTACT_REQUEST_SENT_MESSAGE_CONTAINER:"[data-region=\"contact-request-sent-message-container\"]",CONTENT_PLACEHOLDER_CONTAINER:"[data-region=\"content-placeholder\"]",CONTENT_CONTAINER:"[data-region=\"content-container\"]",CONTENT_MESSAGES_CONTAINER:"[data-region=\"content-message-container\"]",CONTENT_MESSAGES_FOOTER_CONTAINER:"[data-region=\"content-messages-footer-container\"]",CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER:"[data-region=\"content-messages-footer-edit-mode-container\"]",CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER:"[data-region=\"content-messages-footer-require-contact-container\"]",CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER:"[data-region=\"content-messages-footer-require-unblock-container\"]",CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER:"[data-region=\"content-messages-footer-unable-to-message\"]",DAY_MESSAGES_CONTAINER:"[data-region=\"day-messages-container\"]",DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE:"[data-region=\"delete-messages-for-all-users-toggle\"]",DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER:"[data-region=\"delete-messages-for-all-users-toggle-container\"]",EMOJI_AUTO_COMPLETE_CONTAINER:"[data-region=\"emoji-auto-complete-container\"]",EMOJI_PICKER_CONTAINER:"[data-region=\"emoji-picker-container\"]",EMOJI_PICKER:"[data-region=\"emoji-picker\"]",EMOJI_PICKER_SEARCH_INPUT:"[data-region=\"search-input\"]",ERROR_MESSAGE_CONTAINER:"[data-region=\"error-message-container\"]",ERROR_MESSAGE:"[data-region=\"error-message\"]",FAVOURITE_ICON_CONTAINER:"[data-region=\"favourite-icon-container\"]",FOOTER_CONTAINER:"[data-region=\"content-messages-footer-container\"]",HEADER:"[data-region=\"header-content\"]",HEADER_EDIT_MODE:"[data-region=\"header-edit-mode\"]",HEADER_PLACEHOLDER_CONTAINER:"[data-region=\"header-placeholder\"]",LOADING_ICON_CONTAINER:"[data-region=\"loading-icon-container\"]",MESSAGE:"[data-region=\"message\"]",MESSAGE_NOT_SELECTED:"[data-region=\"message\"][aria-checked=\"false\"]",MESSAGE_NOT_SELECTED_ICON:"[data-region=\"not-selected-icon\"]",MESSAGE_SELECTED_ICON:"[data-region=\"selected-icon\"]",MESSAGES:"[data-region=\"content-message-container\"]",MESSAGES_CONTAINER:"[data-region=\"content-message-container\"]",MESSAGES_SELECTED_COUNT:"[data-region=\"message-selected-court\"]",MESSAGE_TEXT_AREA:"[data-region=\"send-message-txt\"]",MORE_MESSAGES_LOADING_ICON_CONTAINER:"[data-region=\"more-messages-loading-icon-container\"]",MUTED_ICON_CONTAINER:"[data-region=\"muted-icon-container\"]",PLACEHOLDER_CONTAINER:"[data-region=\"placeholder-container\"]",RETRY_SEND:"[data-region=\"retry-send\"]",SELF_CONVERSATION_MESSAGE_CONTAINER:"[data-region=\"self-conversation-message-container\"]",SEND_MESSAGE_BUTTON:"[data-action=\"send-message\"]",SEND_MESSAGE_ICON_CONTAINER:"[data-region=\"send-icon-container\"]",TEXT:"[data-region=\"text\"]",TEXT_CONTAINER:"[data-region=\"text-container\"]",TIME_CREATED:"[data-region=\"time-created\"]",TITLE:"[data-region=\"title\"]",TOGGLE_EMOJI_PICKER_BUTTON:"[data-action=\"toggle-emoji-picker\"]"},TEMPLATES:{HEADER_PRIVATE:"core_message/message_drawer_view_conversation_header_content_type_private",HEADER_PRIVATE_NO_CONTROLS:"core_message/message_drawer_view_conversation_header_content_type_private_no_controls",HEADER_PUBLIC:"core_message/message_drawer_view_conversation_header_content_type_public",HEADER_SELF:"core_message/message_drawer_view_conversation_header_content_type_self",DAY:"core_message/message_drawer_view_conversation_body_day",MESSAGE:"core_message/message_drawer_view_conversation_body_message",MESSAGES:"core_message/message_drawer_view_conversation_body_messages"},CONVERSATION_TYPES:{PRIVATE:1,PUBLIC:2,SELF:3},NEWEST_MESSAGES_FIRST:!0,LOAD_MESSAGE_LIMIT:100,MILLISECONDS_IN_SEC:1e3}});
-//# sourceMappingURL=message_drawer_view_conversation_constants.min.js.map
+/**
+ * Constant values for the conversation page in the message drawer.
+ *
+ * @module     core_message/message_drawer_view_conversation_constants
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_conversation_constants",[],(function(){return{SELECTORS:{ACTION_ACCEPT_CONTACT_REQUEST:'[data-action="accept-contact-request"]',ACTION_CANCEL_CONFIRM:'[data-action="cancel-confirm"]',ACTION_OKAY_CONFIRM:'[data-action="okay-confirm"]',ACTION_CANCEL_EDIT_MODE:'[data-action="cancel-edit-mode"]',ACTION_CONFIRM_ADD_CONTACT:'[data-action="confirm-add-contact"]',ACTION_CONFIRM_BLOCK:'[data-action="confirm-block"]',ACTION_CONFIRM_DELETE_SELECTED_MESSAGES:'[data-action="confirm-delete-selected-messages"]',ACTION_CONFIRM_DELETE_CONVERSATION:'[data-action="confirm-delete-conversation"]',ACTION_CONFIRM_FAVOURITE:'[data-action="confirm-favourite"]',ACTION_CONFIRM_MUTE:'[data-action="confirm-mute"]',ACTION_CONFIRM_UNFAVOURITE:'[data-action="confirm-unfavourite"]',ACTION_CONFIRM_REMOVE_CONTACT:'[data-action="confirm-remove-contact"]',ACTION_CONFIRM_UNBLOCK:'[data-action="confirm-unblock"]',ACTION_CONFIRM_UNMUTE:'[data-action="confirm-unmute"]',ACTION_DECLINE_CONTACT_REQUEST:'[data-action="decline-contact-request"]',ACTION_REQUEST_ADD_CONTACT:'[data-action="request-add-contact"]',ACTION_REQUEST_BLOCK:'[data-action="request-block"]',ACTION_REQUEST_DELETE_CONVERSATION:'[data-action="request-delete-conversation"]',ACTION_REQUEST_DELETE_SELECTED_MESSAGES:'[data-action="delete-selected-messages"]',ACTION_REQUEST_REMOVE_CONTACT:'[data-action="request-remove-contact"]',ACTION_REQUEST_UNBLOCK:'[data-action="request-unblock"]',ACTION_VIEW_CONTACT:'[data-action="view-contact"]',ACTION_VIEW_GROUP_INFO:'[data-action="view-group-info"]',CAN_RECEIVE_FOCUS:'input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]',CONFIRM_DIALOGUE:'[data-region="confirm-dialogue"]',CONFIRM_DIALOGUE_BUTTON_TEXT:'[data-region="dialogue-button-text"]',CONFIRM_DIALOGUE_CANCEL_BUTTON:'[data-action="cancel-confirm"]',CONFIRM_DIALOGUE_CONTAINER:'[data-region="confirm-dialogue-container"]',CONFIRM_DIALOGUE_HEADER:'[data-region="dialogue-header"]',CONFIRM_DIALOGUE_OKAY_BUTTON:'[data-action="okay-confirm"]',CONFIRM_DIALOGUE_TEXT:'[data-region="dialogue-text"]',CONTACT_REQUEST_SENT_MESSAGE_CONTAINER:'[data-region="contact-request-sent-message-container"]',CONTENT_PLACEHOLDER_CONTAINER:'[data-region="content-placeholder"]',CONTENT_CONTAINER:'[data-region="content-container"]',CONTENT_MESSAGES_CONTAINER:'[data-region="content-message-container"]',CONTENT_MESSAGES_FOOTER_CONTAINER:'[data-region="content-messages-footer-container"]',CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER:'[data-region="content-messages-footer-edit-mode-container"]',CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER:'[data-region="content-messages-footer-require-contact-container"]',CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER:'[data-region="content-messages-footer-require-unblock-container"]',CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER:'[data-region="content-messages-footer-unable-to-message"]',DAY_MESSAGES_CONTAINER:'[data-region="day-messages-container"]',DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE:'[data-region="delete-messages-for-all-users-toggle"]',DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER:'[data-region="delete-messages-for-all-users-toggle-container"]',EMOJI_AUTO_COMPLETE_CONTAINER:'[data-region="emoji-auto-complete-container"]',EMOJI_PICKER_CONTAINER:'[data-region="emoji-picker-container"]',EMOJI_PICKER:'[data-region="emoji-picker"]',EMOJI_PICKER_SEARCH_INPUT:'[data-region="search-input"]',ERROR_MESSAGE_CONTAINER:'[data-region="error-message-container"]',ERROR_MESSAGE:'[data-region="error-message"]',FAVOURITE_ICON_CONTAINER:'[data-region="favourite-icon-container"]',FOOTER_CONTAINER:'[data-region="content-messages-footer-container"]',HEADER:'[data-region="header-content"]',HEADER_EDIT_MODE:'[data-region="header-edit-mode"]',HEADER_PLACEHOLDER_CONTAINER:'[data-region="header-placeholder"]',LOADING_ICON_CONTAINER:'[data-region="loading-icon-container"]',MESSAGE:'[data-region="message"]',MESSAGE_NOT_SELECTED:'[data-region="message"][aria-checked="false"]',MESSAGE_NOT_SELECTED_ICON:'[data-region="not-selected-icon"]',MESSAGE_SELECTED_ICON:'[data-region="selected-icon"]',MESSAGES:'[data-region="content-message-container"]',MESSAGES_CONTAINER:'[data-region="content-message-container"]',MESSAGES_SELECTED_COUNT:'[data-region="message-selected-court"]',MESSAGE_TEXT_AREA:'[data-region="send-message-txt"]',MORE_MESSAGES_LOADING_ICON_CONTAINER:'[data-region="more-messages-loading-icon-container"]',MUTED_ICON_CONTAINER:'[data-region="muted-icon-container"]',PLACEHOLDER_CONTAINER:'[data-region="placeholder-container"]',RETRY_SEND:'[data-region="retry-send"]',SELF_CONVERSATION_MESSAGE_CONTAINER:'[data-region="self-conversation-message-container"]',SEND_MESSAGE_BUTTON:'[data-action="send-message"]',SEND_MESSAGE_ICON_CONTAINER:'[data-region="send-icon-container"]',TEXT:'[data-region="text"]',TEXT_CONTAINER:'[data-region="text-container"]',TIME_CREATED:'[data-region="time-created"]',TITLE:'[data-region="title"]',TOGGLE_EMOJI_PICKER_BUTTON:'[data-action="toggle-emoji-picker"]'},TEMPLATES:{HEADER_PRIVATE:"core_message/message_drawer_view_conversation_header_content_type_private",HEADER_PRIVATE_NO_CONTROLS:"core_message/message_drawer_view_conversation_header_content_type_private_no_controls",HEADER_PUBLIC:"core_message/message_drawer_view_conversation_header_content_type_public",HEADER_SELF:"core_message/message_drawer_view_conversation_header_content_type_self",DAY:"core_message/message_drawer_view_conversation_body_day",MESSAGE:"core_message/message_drawer_view_conversation_body_message",MESSAGES:"core_message/message_drawer_view_conversation_body_messages"},CONVERSATION_TYPES:{PRIVATE:1,PUBLIC:2,SELF:3},NEWEST_MESSAGES_FIRST:!0,LOAD_MESSAGE_LIMIT:100,MILLISECONDS_IN_SEC:1e3}}));
+
+//# sourceMappingURL=message_drawer_view_conversation_constants.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation_constants.min.js.map b/message/amd/build/message_drawer_view_conversation_constants.min.js.map
index 3a66da7532a..eed5c512f1b 100644
--- a/message/amd/build/message_drawer_view_conversation_constants.min.js.map
+++ b/message/amd/build/message_drawer_view_conversation_constants.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_drawer_view_conversation_constants.js"],"names":["define","SELECTORS","ACTION_ACCEPT_CONTACT_REQUEST","ACTION_CANCEL_CONFIRM","ACTION_OKAY_CONFIRM","ACTION_CANCEL_EDIT_MODE","ACTION_CONFIRM_ADD_CONTACT","ACTION_CONFIRM_BLOCK","ACTION_CONFIRM_DELETE_SELECTED_MESSAGES","ACTION_CONFIRM_DELETE_CONVERSATION","ACTION_CONFIRM_FAVOURITE","ACTION_CONFIRM_MUTE","ACTION_CONFIRM_UNFAVOURITE","ACTION_CONFIRM_REMOVE_CONTACT","ACTION_CONFIRM_UNBLOCK","ACTION_CONFIRM_UNMUTE","ACTION_DECLINE_CONTACT_REQUEST","ACTION_REQUEST_ADD_CONTACT","ACTION_REQUEST_BLOCK","ACTION_REQUEST_DELETE_CONVERSATION","ACTION_REQUEST_DELETE_SELECTED_MESSAGES","ACTION_REQUEST_REMOVE_CONTACT","ACTION_REQUEST_UNBLOCK","ACTION_VIEW_CONTACT","ACTION_VIEW_GROUP_INFO","CAN_RECEIVE_FOCUS","CONFIRM_DIALOGUE","CONFIRM_DIALOGUE_BUTTON_TEXT","CONFIRM_DIALOGUE_CANCEL_BUTTON","CONFIRM_DIALOGUE_CONTAINER","CONFIRM_DIALOGUE_HEADER","CONFIRM_DIALOGUE_OKAY_BUTTON","CONFIRM_DIALOGUE_TEXT","CONTACT_REQUEST_SENT_MESSAGE_CONTAINER","CONTENT_PLACEHOLDER_CONTAINER","CONTENT_CONTAINER","CONTENT_MESSAGES_CONTAINER","CONTENT_MESSAGES_FOOTER_CONTAINER","CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER","CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER","CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER","CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER","DAY_MESSAGES_CONTAINER","DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE","DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER","EMOJI_AUTO_COMPLETE_CONTAINER","EMOJI_PICKER_CONTAINER","EMOJI_PICKER","EMOJI_PICKER_SEARCH_INPUT","ERROR_MESSAGE_CONTAINER","ERROR_MESSAGE","FAVOURITE_ICON_CONTAINER","FOOTER_CONTAINER","HEADER","HEADER_EDIT_MODE","HEADER_PLACEHOLDER_CONTAINER","LOADING_ICON_CONTAINER","MESSAGE","MESSAGE_NOT_SELECTED","MESSAGE_NOT_SELECTED_ICON","MESSAGE_SELECTED_ICON","MESSAGES","MESSAGES_CONTAINER","MESSAGES_SELECTED_COUNT","MESSAGE_TEXT_AREA","MORE_MESSAGES_LOADING_ICON_CONTAINER","MUTED_ICON_CONTAINER","PLACEHOLDER_CONTAINER","RETRY_SEND","SELF_CONVERSATION_MESSAGE_CONTAINER","SEND_MESSAGE_BUTTON","SEND_MESSAGE_ICON_CONTAINER","TEXT","TEXT_CONTAINER","TIME_CREATED","TITLE","TOGGLE_EMOJI_PICKER_BUTTON","TEMPLATES","HEADER_PRIVATE","HEADER_PRIVATE_NO_CONTROLS","HEADER_PUBLIC","HEADER_SELF","DAY","CONVERSATION_TYPES","PRIVATE","PUBLIC","SELF","NEWEST_MESSAGES_FIRST","LOAD_MESSAGE_LIMIT","MILLISECONDS_IN_SEC"],"mappings":"AAsBAA,OAAM,2DAAC,EAAD,CAAK,UAAW,CAiGlB,MAAO,CACHC,SAAS,CAhGG,CACZC,6BAA6B,CAAE,0CADnB,CAEZC,qBAAqB,CAAE,kCAFX,CAGZC,mBAAmB,CAAE,gCAHT,CAIZC,uBAAuB,CAAE,oCAJb,CAKZC,0BAA0B,CAAE,uCALhB,CAMZC,oBAAoB,CAAE,iCANV,CAOZC,uCAAuC,CAAE,oDAP7B,CAQZC,kCAAkC,CAAE,+CARxB,CASZC,wBAAwB,CAAE,qCATd,CAUZC,mBAAmB,CAAE,gCAVT,CAWZC,0BAA0B,CAAE,uCAXhB,CAYZC,6BAA6B,CAAE,0CAZnB,CAaZC,sBAAsB,CAAE,mCAbZ,CAcZC,qBAAqB,CAAE,kCAdX,CAeZC,8BAA8B,CAAE,2CAfpB,CAgBZC,0BAA0B,CAAE,uCAhBhB,CAiBZC,oBAAoB,CAAE,iCAjBV,CAkBZC,kCAAkC,CAAE,+CAlBxB,CAmBZC,uCAAuC,CAAE,4CAnB7B,CAoBZC,6BAA6B,CAAE,0CApBnB,CAqBZC,sBAAsB,CAAE,mCArBZ,CAsBZC,mBAAmB,CAAE,gCAtBT,CAuBZC,sBAAsB,CAAE,mCAvBZ,CAwBZC,iBAAiB,CAAE,6EAxBP,CAyBZC,gBAAgB,CAAE,oCAzBN,CA0BZC,4BAA4B,CAAE,wCA1BlB,CA2BZC,8BAA8B,CAAE,kCA3BpB,CA4BZC,0BAA0B,CAAE,8CA5BhB,CA6BZC,uBAAuB,CAAE,mCA7Bb,CA8BZC,4BAA4B,CAAE,gCA9BlB,CA+BZC,qBAAqB,CAAE,iCA/BX,CAgCZC,sCAAsC,CAAE,0DAhC5B,CAiCZC,6BAA6B,CAAE,uCAjCnB,CAkCZC,iBAAiB,CAAE,qCAlCP,CAmCZC,0BAA0B,CAAE,6CAnChB,CAoCZC,iCAAiC,CAAE,qDApCvB,CAqCZC,2CAA2C,CAAE,+DArCjC,CAsCZC,iDAAiD,CAAE,qEAtCvC,CAuCZC,iDAAiD,CAAE,qEAvCvC,CAwCZC,mDAAmD,CAAE,6DAxCzC,CAyCZC,sBAAsB,CAAE,0CAzCZ,CA0CZC,oCAAoC,CAAE,wDA1C1B,CA2CZC,8CAA8C,CAAE,kEA3CpC,CA4CZC,6BAA6B,CAAE,iDA5CnB,CA6CZC,sBAAsB,CAAE,0CA7CZ,CA8CZC,YAAY,CAAE,gCA9CF,CA+CZC,yBAAyB,CAAE,gCA/Cf,CAgDZC,uBAAuB,CAAE,2CAhDb,CAiDZC,aAAa,CAAE,iCAjDH,CAkDZC,wBAAwB,CAAE,4CAlDd,CAmDZC,gBAAgB,CAAE,qDAnDN,CAoDZC,MAAM,CAAE,kCApDI,CAqDZC,gBAAgB,CAAE,oCArDN,CAsDZC,4BAA4B,CAAE,sCAtDlB,CAuDZC,sBAAsB,CAAE,0CAvDZ,CAwDZC,OAAO,CAAE,2BAxDG,CAyDZC,oBAAoB,CAAE,mDAzDV,CA0DZC,yBAAyB,CAAE,qCA1Df,CA2DZC,qBAAqB,CAAE,iCA3DX,CA4DZC,QAAQ,CAAE,6CA5DE,CA6DZC,kBAAkB,CAAE,6CA7DR,CA8DZC,uBAAuB,CAAE,0CA9Db,CA+DZC,iBAAiB,CAAE,oCA/DP,CAgEZC,oCAAoC,CAAE,wDAhE1B,CAiEZC,oBAAoB,CAAE,wCAjEV,CAkEZC,qBAAqB,CAAE,yCAlEX,CAmEZC,UAAU,CAAE,8BAnEA,CAoEZC,mCAAmC,CAAE,uDApEzB,CAqEZC,mBAAmB,CAAE,gCArET,CAsEZC,2BAA2B,CAAE,uCAtEjB,CAuEZC,IAAI,CAAE,wBAvEM,CAwEZC,cAAc,CAAE,kCAxEJ,CAyEZC,YAAY,CAAE,gCAzEF,CA0EZC,KAAK,CAAE,yBA1EK,CA2EZC,0BAA0B,CAAE,uCA3EhB,CA+FT,CAEHC,SAAS,CAnBG,CACZC,cAAc,CAAE,2EADJ,CAEZC,0BAA0B,CAAE,uFAFhB,CAGZC,aAAa,CAAE,0EAHH,CAIZC,WAAW,CAAE,wEAJD,CAKZC,GAAG,CAAE,wDALO,CAMZzB,OAAO,CAAE,4DANG,CAOZI,QAAQ,CAAE,6DAPE,CAiBT,CAGHsB,kBAAkB,CATG,CACrBC,OAAO,CAAE,CADY,CAErBC,MAAM,CAAE,CAFa,CAGrBC,IAAI,CAAE,CAHe,CAMlB,CAIHC,qBAAqB,GAJlB,CAKHC,kBAAkB,CAAE,GALjB,CAMHC,mBAAmB,CAAE,GANlB,CAQV,CAzGK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Constant values for the conversation page in the message drawer.\n *\n * @module     core_message/message_drawer_view_conversation_constants\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n\n    var SELECTORS = {\n        ACTION_ACCEPT_CONTACT_REQUEST: '[data-action=\"accept-contact-request\"]',\n        ACTION_CANCEL_CONFIRM: '[data-action=\"cancel-confirm\"]',\n        ACTION_OKAY_CONFIRM: '[data-action=\"okay-confirm\"]',\n        ACTION_CANCEL_EDIT_MODE: '[data-action=\"cancel-edit-mode\"]',\n        ACTION_CONFIRM_ADD_CONTACT: '[data-action=\"confirm-add-contact\"]',\n        ACTION_CONFIRM_BLOCK: '[data-action=\"confirm-block\"]',\n        ACTION_CONFIRM_DELETE_SELECTED_MESSAGES: '[data-action=\"confirm-delete-selected-messages\"]',\n        ACTION_CONFIRM_DELETE_CONVERSATION: '[data-action=\"confirm-delete-conversation\"]',\n        ACTION_CONFIRM_FAVOURITE: '[data-action=\"confirm-favourite\"]',\n        ACTION_CONFIRM_MUTE: '[data-action=\"confirm-mute\"]',\n        ACTION_CONFIRM_UNFAVOURITE: '[data-action=\"confirm-unfavourite\"]',\n        ACTION_CONFIRM_REMOVE_CONTACT: '[data-action=\"confirm-remove-contact\"]',\n        ACTION_CONFIRM_UNBLOCK: '[data-action=\"confirm-unblock\"]',\n        ACTION_CONFIRM_UNMUTE: '[data-action=\"confirm-unmute\"]',\n        ACTION_DECLINE_CONTACT_REQUEST: '[data-action=\"decline-contact-request\"]',\n        ACTION_REQUEST_ADD_CONTACT: '[data-action=\"request-add-contact\"]',\n        ACTION_REQUEST_BLOCK: '[data-action=\"request-block\"]',\n        ACTION_REQUEST_DELETE_CONVERSATION: '[data-action=\"request-delete-conversation\"]',\n        ACTION_REQUEST_DELETE_SELECTED_MESSAGES: '[data-action=\"delete-selected-messages\"]',\n        ACTION_REQUEST_REMOVE_CONTACT: '[data-action=\"request-remove-contact\"]',\n        ACTION_REQUEST_UNBLOCK: '[data-action=\"request-unblock\"]',\n        ACTION_VIEW_CONTACT: '[data-action=\"view-contact\"]',\n        ACTION_VIEW_GROUP_INFO: '[data-action=\"view-group-info\"]',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n        CONFIRM_DIALOGUE: '[data-region=\"confirm-dialogue\"]',\n        CONFIRM_DIALOGUE_BUTTON_TEXT: '[data-region=\"dialogue-button-text\"]',\n        CONFIRM_DIALOGUE_CANCEL_BUTTON: '[data-action=\"cancel-confirm\"]',\n        CONFIRM_DIALOGUE_CONTAINER: '[data-region=\"confirm-dialogue-container\"]',\n        CONFIRM_DIALOGUE_HEADER: '[data-region=\"dialogue-header\"]',\n        CONFIRM_DIALOGUE_OKAY_BUTTON: '[data-action=\"okay-confirm\"]',\n        CONFIRM_DIALOGUE_TEXT: '[data-region=\"dialogue-text\"]',\n        CONTACT_REQUEST_SENT_MESSAGE_CONTAINER: '[data-region=\"contact-request-sent-message-container\"]',\n        CONTENT_PLACEHOLDER_CONTAINER: '[data-region=\"content-placeholder\"]',\n        CONTENT_CONTAINER: '[data-region=\"content-container\"]',\n        CONTENT_MESSAGES_CONTAINER: '[data-region=\"content-message-container\"]',\n        CONTENT_MESSAGES_FOOTER_CONTAINER: '[data-region=\"content-messages-footer-container\"]',\n        CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER: '[data-region=\"content-messages-footer-edit-mode-container\"]',\n        CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER: '[data-region=\"content-messages-footer-require-contact-container\"]',\n        CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER: '[data-region=\"content-messages-footer-require-unblock-container\"]',\n        CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER: '[data-region=\"content-messages-footer-unable-to-message\"]',\n        DAY_MESSAGES_CONTAINER: '[data-region=\"day-messages-container\"]',\n        DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE: '[data-region=\"delete-messages-for-all-users-toggle\"]',\n        DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER: '[data-region=\"delete-messages-for-all-users-toggle-container\"]',\n        EMOJI_AUTO_COMPLETE_CONTAINER: '[data-region=\"emoji-auto-complete-container\"]',\n        EMOJI_PICKER_CONTAINER: '[data-region=\"emoji-picker-container\"]',\n        EMOJI_PICKER: '[data-region=\"emoji-picker\"]',\n        EMOJI_PICKER_SEARCH_INPUT: '[data-region=\"search-input\"]',\n        ERROR_MESSAGE_CONTAINER: '[data-region=\"error-message-container\"]',\n        ERROR_MESSAGE: '[data-region=\"error-message\"]',\n        FAVOURITE_ICON_CONTAINER: '[data-region=\"favourite-icon-container\"]',\n        FOOTER_CONTAINER: '[data-region=\"content-messages-footer-container\"]',\n        HEADER: '[data-region=\"header-content\"]',\n        HEADER_EDIT_MODE: '[data-region=\"header-edit-mode\"]',\n        HEADER_PLACEHOLDER_CONTAINER: '[data-region=\"header-placeholder\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n        MESSAGE: '[data-region=\"message\"]',\n        MESSAGE_NOT_SELECTED: '[data-region=\"message\"][aria-checked=\"false\"]',\n        MESSAGE_NOT_SELECTED_ICON: '[data-region=\"not-selected-icon\"]',\n        MESSAGE_SELECTED_ICON: '[data-region=\"selected-icon\"]',\n        MESSAGES: '[data-region=\"content-message-container\"]',\n        MESSAGES_CONTAINER: '[data-region=\"content-message-container\"]',\n        MESSAGES_SELECTED_COUNT: '[data-region=\"message-selected-court\"]',\n        MESSAGE_TEXT_AREA: '[data-region=\"send-message-txt\"]',\n        MORE_MESSAGES_LOADING_ICON_CONTAINER: '[data-region=\"more-messages-loading-icon-container\"]',\n        MUTED_ICON_CONTAINER: '[data-region=\"muted-icon-container\"]',\n        PLACEHOLDER_CONTAINER: '[data-region=\"placeholder-container\"]',\n        RETRY_SEND: '[data-region=\"retry-send\"]',\n        SELF_CONVERSATION_MESSAGE_CONTAINER: '[data-region=\"self-conversation-message-container\"]',\n        SEND_MESSAGE_BUTTON: '[data-action=\"send-message\"]',\n        SEND_MESSAGE_ICON_CONTAINER: '[data-region=\"send-icon-container\"]',\n        TEXT: '[data-region=\"text\"]',\n        TEXT_CONTAINER: '[data-region=\"text-container\"]',\n        TIME_CREATED: '[data-region=\"time-created\"]',\n        TITLE: '[data-region=\"title\"]',\n        TOGGLE_EMOJI_PICKER_BUTTON: '[data-action=\"toggle-emoji-picker\"]'\n    };\n\n    var TEMPLATES = {\n        HEADER_PRIVATE: 'core_message/message_drawer_view_conversation_header_content_type_private',\n        HEADER_PRIVATE_NO_CONTROLS: 'core_message/message_drawer_view_conversation_header_content_type_private_no_controls',\n        HEADER_PUBLIC: 'core_message/message_drawer_view_conversation_header_content_type_public',\n        HEADER_SELF: 'core_message/message_drawer_view_conversation_header_content_type_self',\n        DAY: 'core_message/message_drawer_view_conversation_body_day',\n        MESSAGE: 'core_message/message_drawer_view_conversation_body_message',\n        MESSAGES: 'core_message/message_drawer_view_conversation_body_messages'\n    };\n\n    // Conversation types. They must have the same values defined in \\core_message\\api.\n    var CONVERSATION_TYPES = {\n        PRIVATE: 1,\n        PUBLIC: 2,\n        SELF: 3\n    };\n\n    return {\n        SELECTORS: SELECTORS,\n        TEMPLATES: TEMPLATES,\n        CONVERSATION_TYPES: CONVERSATION_TYPES,\n        NEWEST_MESSAGES_FIRST: true,\n        LOAD_MESSAGE_LIMIT: 100,\n        MILLISECONDS_IN_SEC: 1000\n    };\n});\n"],"file":"message_drawer_view_conversation_constants.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_conversation_constants.min.js","sources":["../src/message_drawer_view_conversation_constants.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Constant values for the conversation page in the message drawer.\n *\n * @module     core_message/message_drawer_view_conversation_constants\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n\n    var SELECTORS = {\n        ACTION_ACCEPT_CONTACT_REQUEST: '[data-action=\"accept-contact-request\"]',\n        ACTION_CANCEL_CONFIRM: '[data-action=\"cancel-confirm\"]',\n        ACTION_OKAY_CONFIRM: '[data-action=\"okay-confirm\"]',\n        ACTION_CANCEL_EDIT_MODE: '[data-action=\"cancel-edit-mode\"]',\n        ACTION_CONFIRM_ADD_CONTACT: '[data-action=\"confirm-add-contact\"]',\n        ACTION_CONFIRM_BLOCK: '[data-action=\"confirm-block\"]',\n        ACTION_CONFIRM_DELETE_SELECTED_MESSAGES: '[data-action=\"confirm-delete-selected-messages\"]',\n        ACTION_CONFIRM_DELETE_CONVERSATION: '[data-action=\"confirm-delete-conversation\"]',\n        ACTION_CONFIRM_FAVOURITE: '[data-action=\"confirm-favourite\"]',\n        ACTION_CONFIRM_MUTE: '[data-action=\"confirm-mute\"]',\n        ACTION_CONFIRM_UNFAVOURITE: '[data-action=\"confirm-unfavourite\"]',\n        ACTION_CONFIRM_REMOVE_CONTACT: '[data-action=\"confirm-remove-contact\"]',\n        ACTION_CONFIRM_UNBLOCK: '[data-action=\"confirm-unblock\"]',\n        ACTION_CONFIRM_UNMUTE: '[data-action=\"confirm-unmute\"]',\n        ACTION_DECLINE_CONTACT_REQUEST: '[data-action=\"decline-contact-request\"]',\n        ACTION_REQUEST_ADD_CONTACT: '[data-action=\"request-add-contact\"]',\n        ACTION_REQUEST_BLOCK: '[data-action=\"request-block\"]',\n        ACTION_REQUEST_DELETE_CONVERSATION: '[data-action=\"request-delete-conversation\"]',\n        ACTION_REQUEST_DELETE_SELECTED_MESSAGES: '[data-action=\"delete-selected-messages\"]',\n        ACTION_REQUEST_REMOVE_CONTACT: '[data-action=\"request-remove-contact\"]',\n        ACTION_REQUEST_UNBLOCK: '[data-action=\"request-unblock\"]',\n        ACTION_VIEW_CONTACT: '[data-action=\"view-contact\"]',\n        ACTION_VIEW_GROUP_INFO: '[data-action=\"view-group-info\"]',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n        CONFIRM_DIALOGUE: '[data-region=\"confirm-dialogue\"]',\n        CONFIRM_DIALOGUE_BUTTON_TEXT: '[data-region=\"dialogue-button-text\"]',\n        CONFIRM_DIALOGUE_CANCEL_BUTTON: '[data-action=\"cancel-confirm\"]',\n        CONFIRM_DIALOGUE_CONTAINER: '[data-region=\"confirm-dialogue-container\"]',\n        CONFIRM_DIALOGUE_HEADER: '[data-region=\"dialogue-header\"]',\n        CONFIRM_DIALOGUE_OKAY_BUTTON: '[data-action=\"okay-confirm\"]',\n        CONFIRM_DIALOGUE_TEXT: '[data-region=\"dialogue-text\"]',\n        CONTACT_REQUEST_SENT_MESSAGE_CONTAINER: '[data-region=\"contact-request-sent-message-container\"]',\n        CONTENT_PLACEHOLDER_CONTAINER: '[data-region=\"content-placeholder\"]',\n        CONTENT_CONTAINER: '[data-region=\"content-container\"]',\n        CONTENT_MESSAGES_CONTAINER: '[data-region=\"content-message-container\"]',\n        CONTENT_MESSAGES_FOOTER_CONTAINER: '[data-region=\"content-messages-footer-container\"]',\n        CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER: '[data-region=\"content-messages-footer-edit-mode-container\"]',\n        CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER: '[data-region=\"content-messages-footer-require-contact-container\"]',\n        CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER: '[data-region=\"content-messages-footer-require-unblock-container\"]',\n        CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER: '[data-region=\"content-messages-footer-unable-to-message\"]',\n        DAY_MESSAGES_CONTAINER: '[data-region=\"day-messages-container\"]',\n        DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE: '[data-region=\"delete-messages-for-all-users-toggle\"]',\n        DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER: '[data-region=\"delete-messages-for-all-users-toggle-container\"]',\n        EMOJI_AUTO_COMPLETE_CONTAINER: '[data-region=\"emoji-auto-complete-container\"]',\n        EMOJI_PICKER_CONTAINER: '[data-region=\"emoji-picker-container\"]',\n        EMOJI_PICKER: '[data-region=\"emoji-picker\"]',\n        EMOJI_PICKER_SEARCH_INPUT: '[data-region=\"search-input\"]',\n        ERROR_MESSAGE_CONTAINER: '[data-region=\"error-message-container\"]',\n        ERROR_MESSAGE: '[data-region=\"error-message\"]',\n        FAVOURITE_ICON_CONTAINER: '[data-region=\"favourite-icon-container\"]',\n        FOOTER_CONTAINER: '[data-region=\"content-messages-footer-container\"]',\n        HEADER: '[data-region=\"header-content\"]',\n        HEADER_EDIT_MODE: '[data-region=\"header-edit-mode\"]',\n        HEADER_PLACEHOLDER_CONTAINER: '[data-region=\"header-placeholder\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n        MESSAGE: '[data-region=\"message\"]',\n        MESSAGE_NOT_SELECTED: '[data-region=\"message\"][aria-checked=\"false\"]',\n        MESSAGE_NOT_SELECTED_ICON: '[data-region=\"not-selected-icon\"]',\n        MESSAGE_SELECTED_ICON: '[data-region=\"selected-icon\"]',\n        MESSAGES: '[data-region=\"content-message-container\"]',\n        MESSAGES_CONTAINER: '[data-region=\"content-message-container\"]',\n        MESSAGES_SELECTED_COUNT: '[data-region=\"message-selected-court\"]',\n        MESSAGE_TEXT_AREA: '[data-region=\"send-message-txt\"]',\n        MORE_MESSAGES_LOADING_ICON_CONTAINER: '[data-region=\"more-messages-loading-icon-container\"]',\n        MUTED_ICON_CONTAINER: '[data-region=\"muted-icon-container\"]',\n        PLACEHOLDER_CONTAINER: '[data-region=\"placeholder-container\"]',\n        RETRY_SEND: '[data-region=\"retry-send\"]',\n        SELF_CONVERSATION_MESSAGE_CONTAINER: '[data-region=\"self-conversation-message-container\"]',\n        SEND_MESSAGE_BUTTON: '[data-action=\"send-message\"]',\n        SEND_MESSAGE_ICON_CONTAINER: '[data-region=\"send-icon-container\"]',\n        TEXT: '[data-region=\"text\"]',\n        TEXT_CONTAINER: '[data-region=\"text-container\"]',\n        TIME_CREATED: '[data-region=\"time-created\"]',\n        TITLE: '[data-region=\"title\"]',\n        TOGGLE_EMOJI_PICKER_BUTTON: '[data-action=\"toggle-emoji-picker\"]'\n    };\n\n    var TEMPLATES = {\n        HEADER_PRIVATE: 'core_message/message_drawer_view_conversation_header_content_type_private',\n        HEADER_PRIVATE_NO_CONTROLS: 'core_message/message_drawer_view_conversation_header_content_type_private_no_controls',\n        HEADER_PUBLIC: 'core_message/message_drawer_view_conversation_header_content_type_public',\n        HEADER_SELF: 'core_message/message_drawer_view_conversation_header_content_type_self',\n        DAY: 'core_message/message_drawer_view_conversation_body_day',\n        MESSAGE: 'core_message/message_drawer_view_conversation_body_message',\n        MESSAGES: 'core_message/message_drawer_view_conversation_body_messages'\n    };\n\n    // Conversation types. They must have the same values defined in \\core_message\\api.\n    var CONVERSATION_TYPES = {\n        PRIVATE: 1,\n        PUBLIC: 2,\n        SELF: 3\n    };\n\n    return {\n        SELECTORS: SELECTORS,\n        TEMPLATES: TEMPLATES,\n        CONVERSATION_TYPES: CONVERSATION_TYPES,\n        NEWEST_MESSAGES_FIRST: true,\n        LOAD_MESSAGE_LIMIT: 100,\n        MILLISECONDS_IN_SEC: 1000\n    };\n});\n"],"names":["define","SELECTORS","ACTION_ACCEPT_CONTACT_REQUEST","ACTION_CANCEL_CONFIRM","ACTION_OKAY_CONFIRM","ACTION_CANCEL_EDIT_MODE","ACTION_CONFIRM_ADD_CONTACT","ACTION_CONFIRM_BLOCK","ACTION_CONFIRM_DELETE_SELECTED_MESSAGES","ACTION_CONFIRM_DELETE_CONVERSATION","ACTION_CONFIRM_FAVOURITE","ACTION_CONFIRM_MUTE","ACTION_CONFIRM_UNFAVOURITE","ACTION_CONFIRM_REMOVE_CONTACT","ACTION_CONFIRM_UNBLOCK","ACTION_CONFIRM_UNMUTE","ACTION_DECLINE_CONTACT_REQUEST","ACTION_REQUEST_ADD_CONTACT","ACTION_REQUEST_BLOCK","ACTION_REQUEST_DELETE_CONVERSATION","ACTION_REQUEST_DELETE_SELECTED_MESSAGES","ACTION_REQUEST_REMOVE_CONTACT","ACTION_REQUEST_UNBLOCK","ACTION_VIEW_CONTACT","ACTION_VIEW_GROUP_INFO","CAN_RECEIVE_FOCUS","CONFIRM_DIALOGUE","CONFIRM_DIALOGUE_BUTTON_TEXT","CONFIRM_DIALOGUE_CANCEL_BUTTON","CONFIRM_DIALOGUE_CONTAINER","CONFIRM_DIALOGUE_HEADER","CONFIRM_DIALOGUE_OKAY_BUTTON","CONFIRM_DIALOGUE_TEXT","CONTACT_REQUEST_SENT_MESSAGE_CONTAINER","CONTENT_PLACEHOLDER_CONTAINER","CONTENT_CONTAINER","CONTENT_MESSAGES_CONTAINER","CONTENT_MESSAGES_FOOTER_CONTAINER","CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER","CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER","CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER","CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER","DAY_MESSAGES_CONTAINER","DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE","DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER","EMOJI_AUTO_COMPLETE_CONTAINER","EMOJI_PICKER_CONTAINER","EMOJI_PICKER","EMOJI_PICKER_SEARCH_INPUT","ERROR_MESSAGE_CONTAINER","ERROR_MESSAGE","FAVOURITE_ICON_CONTAINER","FOOTER_CONTAINER","HEADER","HEADER_EDIT_MODE","HEADER_PLACEHOLDER_CONTAINER","LOADING_ICON_CONTAINER","MESSAGE","MESSAGE_NOT_SELECTED","MESSAGE_NOT_SELECTED_ICON","MESSAGE_SELECTED_ICON","MESSAGES","MESSAGES_CONTAINER","MESSAGES_SELECTED_COUNT","MESSAGE_TEXT_AREA","MORE_MESSAGES_LOADING_ICON_CONTAINER","MUTED_ICON_CONTAINER","PLACEHOLDER_CONTAINER","RETRY_SEND","SELF_CONVERSATION_MESSAGE_CONTAINER","SEND_MESSAGE_BUTTON","SEND_MESSAGE_ICON_CONTAINER","TEXT","TEXT_CONTAINER","TIME_CREATED","TITLE","TOGGLE_EMOJI_PICKER_BUTTON","TEMPLATES","HEADER_PRIVATE","HEADER_PRIVATE_NO_CONTROLS","HEADER_PUBLIC","HEADER_SELF","DAY","CONVERSATION_TYPES","PRIVATE","PUBLIC","SELF","NEWEST_MESSAGES_FIRST","LOAD_MESSAGE_LIMIT","MILLISECONDS_IN_SEC"],"mappings":";;;;;;;AAsBAA,iEAAO,IAAI,iBAiGA,CACHC,UAhGY,CACZC,8BAA+B,yCAC/BC,sBAAuB,iCACvBC,oBAAqB,+BACrBC,wBAAyB,mCACzBC,2BAA4B,sCAC5BC,qBAAsB,gCACtBC,wCAAyC,mDACzCC,mCAAoC,8CACpCC,yBAA0B,oCAC1BC,oBAAqB,+BACrBC,2BAA4B,sCAC5BC,8BAA+B,yCAC/BC,uBAAwB,kCACxBC,sBAAuB,iCACvBC,+BAAgC,0CAChCC,2BAA4B,sCAC5BC,qBAAsB,gCACtBC,mCAAoC,8CACpCC,wCAAyC,2CACzCC,8BAA+B,yCAC/BC,uBAAwB,kCACxBC,oBAAqB,+BACrBC,uBAAwB,kCACxBC,kBAAmB,4EACnBC,iBAAkB,mCAClBC,6BAA8B,uCAC9BC,+BAAgC,iCAChCC,2BAA4B,6CAC5BC,wBAAyB,kCACzBC,6BAA8B,+BAC9BC,sBAAuB,gCACvBC,uCAAwC,yDACxCC,8BAA+B,sCAC/BC,kBAAmB,oCACnBC,2BAA4B,4CAC5BC,kCAAmC,oDACnCC,4CAA6C,8DAC7CC,kDAAmD,oEACnDC,kDAAmD,oEACnDC,oDAAqD,4DACrDC,uBAAwB,yCACxBC,qCAAsC,uDACtCC,+CAAgD,iEAChDC,8BAA+B,gDAC/BC,uBAAwB,yCACxBC,aAAc,+BACdC,0BAA2B,+BAC3BC,wBAAyB,0CACzBC,cAAe,gCACfC,yBAA0B,2CAC1BC,iBAAkB,oDAClBC,OAAQ,iCACRC,iBAAkB,mCAClBC,6BAA8B,qCAC9BC,uBAAwB,yCACxBC,QAAS,0BACTC,qBAAsB,gDACtBC,0BAA2B,oCAC3BC,sBAAuB,gCACvBC,SAAU,4CACVC,mBAAoB,4CACpBC,wBAAyB,yCACzBC,kBAAmB,mCACnBC,qCAAsC,uDACtCC,qBAAsB,uCACtBC,sBAAuB,wCACvBC,WAAY,6BACZC,oCAAqC,sDACrCC,oBAAqB,+BACrBC,4BAA6B,sCAC7BC,KAAM,uBACNC,eAAgB,iCAChBC,aAAc,+BACdC,MAAO,wBACPC,2BAA4B,uCAsB5BC,UAnBY,CACZC,eAAgB,4EAChBC,2BAA4B,wFAC5BC,cAAe,2EACfC,YAAa,yEACbC,IAAK,yDACLzB,QAAS,6DACTI,SAAU,+DAaVsB,mBATqB,CACrBC,QAAS,EACTC,OAAQ,EACRC,KAAM,GAONC,uBAAuB,EACvBC,mBAAoB,IACpBC,oBAAqB"}
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diff --git a/message/amd/build/message_drawer_view_conversation_patcher.min.js b/message/amd/build/message_drawer_view_conversation_patcher.min.js
index 27e8229d8f7..39a779c4cd6 100644
--- a/message/amd/build/message_drawer_view_conversation_patcher.min.js
+++ b/message/amd/build/message_drawer_view_conversation_patcher.min.js
@@ -1,2 +1,15 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core_message/message_drawer_view_conversation_patcher",["jquery","core/user_date","core_message/message_drawer_view_conversation_constants"],function(a,b,c){var d=function(a,c){var d=a.reduce(function(a,d){var e=d.timeCreated?d.timeCreated:c,f=b.getUserMidnightForTimestamp(e,c);if(a.hasOwnProperty(f)){a[f].push(d)}else{a[f]=[d]}return a},{});return Object.keys(d).map(function(a){return{timestamp:a,messages:d[a]}})},e=function(c,a,d){a=a.slice();var e=[],f=[],g=[];c.forEach(function(b){var c=!1,e=0;for(;e<a.length;e++){var h=a[e];if(d(b,h)){c=!0;g.push({a:b,b:h});break}}if(c){a.splice(e,1)}else{f.push(b)}});e=a;return{missingFromA:e,missingFromB:f,matches:g}},f=function(a,b){for(var c=null,d=0,e;d<a.length;d++){e=a[d];if(b(e)){return e}}return c},g=function(c,d){c=c.slice();d=d.slice();c.sort();d.sort();var e=c.length,f=d.length;if(1>e&&1>f){return!0}if(e!=f){return!1}return c.every(function(a,b){return a==d[b]})},h=function(c,a){var b=Object.keys(c),d=Object.keys(a);if(b.length!=d.length){return!1}return b.every(function(b){var d=c[b],e=a[b],f=_typeof(d),i=_typeof(e);f=null===d?"null":f;i=null===d?"null":i;f="object"===f&&Array.isArray(f)?"array":f;i="object"===i&&Array.isArray(i)?"array":i;if(f!==i){return!1}switch(f){case"object":return h(d,e);case"array":return g(d,e);default:return c[b]==a[b];}})},i=function(c,a){return h({id:c.id,state:c.sendState,text:c.text,timeCreated:c.timeCreated},{id:a.id,state:a.sendState,text:a.text,timeCreated:a.timeCreated})},j=function(a,b,c){return{remove:b,add:c.map(function(b){var c=f(a,function(a){return b.timestamp<a.timestamp});return{before:c,value:b}})}},k=function(a){var b=[],c=[],d=[];a.forEach(function(a){var g=a.a,h=a.b,j=e(g.messages,h.messages,i),k=e(j.missingFromB,j.missingFromA,function(c,a){return c.id==a.id||c.sendState!=a.sendState&&c.timeAdded==a.timeAdded});b=b.concat(k.missingFromB);k.missingFromA.forEach(function(a){var b=null;if(a.timeCreated){b=f(g.messages,function(b){if(a.timeCreated==b.timeCreated){return a.id<b.id}else{return a.timeCreated<b.timeCreated}})}c.push({before:b,value:a,day:g})});d=d.concat(k.matches.map(function(a){return{before:a.a,after:a.b}}))});return{add:c,remove:b,update:d}},l=function(a,b){var c=e(a.messages,b.messages,i);if(c.missingFromA.length||c.missingFromB.length){var f=d(a.messages,a.midnight),g=d(b.messages,b.midnight),h=e(f,g,function(a,b){return a.timestamp==b.timestamp});return{days:j(f,h.missingFromB,h.missingFromA),messages:k(h.matches)}}else{return null}},m=function(a,b){var d=L(a,b),e=B(a,b),f=J(a),g=J(b),h=d&&d.show&&!d.hasMessages,i=d&&!d.show,j=!f&&g;j=j||h||i;j=j||null!==e;if(j){return{type:c.CONVERSATION_TYPES.PRIVATE,showControls:!h&&!e,context:{id:b.id,name:b.name,subname:b.subname,totalmembercount:b.totalMemberCount,imageurl:b.imageUrl,isfavourite:b.isFavourite,ismuted:b.isMuted,showfavourite:null!==b.id,userid:g.id,showonlinestatus:g.showonlinestatus,isonline:g.isonline,isblocked:g.isblocked,iscontact:g.iscontact}}}return null},n=function(a,b){var d=null===a.name&&null!==b.name;if(d){return{type:c.CONVERSATION_TYPES.SELF,showControls:!1,context:{id:b.id,name:b.name,subname:b.subname,imageurl:b.imageUrl,isfavourite:b.isFavourite,showfavourite:null!==b.id,showonlinestatus:!0}}}return null},o=function(a,b){var d=a.totalMemberCount,e=b.totalMemberCount;if(d!=e){return{type:c.CONVERSATION_TYPES.PUBLIC,showControls:!0,context:{id:b.id,name:b.name,subname:b.subname,totalmembercount:b.totalMemberCount,imageurl:b.imageUrl,isfavourite:b.isFavourite,ismuted:b.isMuted,showfavourite:null!==b.id}}}else{return null}},p=function(a,b){var c=a.messages,d=b.messages;if(1>d.length){return null}if(1>c.length){return d[d.length-1].id}var e=c[a.messages.length-1],f=d[d.length-1],g=c[0],h=d[0];if(e.id!=f.id){return f.id}else if(g.id!=h.id){return g.id}return null},q=function(a,b){if(!a.loadingMembers&&b.loadingMembers){return!0}else if(a.loadingMembers&&!b.loadingMembers){return!1}else{return null}},r=function(a,b){if(a.hasTriedToLoadMessages===b.hasTriedToLoadMessages){return null}else if(!b.hasTriedToLoadMessages&&b.loadingMessages){return!0}else if(b.hasTriedToLoadMessages&&!b.loadingMessages){return!1}else{return null}},s=function(a,b){if(!a.loadingMessages&&b.loadingMessages){return!0}else if(a.loadingMessages&&!b.loadingMessages){return!1}else{return null}},t=function(a,b){if(!a.showEmojiPicker&&b.showEmojiPicker){return!0}else if(a.showEmojiPicker&&!b.showEmojiPicker){return!1}else{return null}},u=function(a,b){if(!a.showEmojiAutoComplete&&b.showEmojiAutoComplete){return!0}else if(a.showEmojiAutoComplete&&!b.showEmojiAutoComplete){return!1}else{return null}},v=function(a,b){if(b.pendingBlockUserIds.length){var c=b.pendingBlockUserIds[0];return b.members[c]}else if(a.pendingBlockUserIds.length){return!1}return null},w=function(a,b){if(b.pendingUnblockUserIds.length){var c=b.pendingUnblockUserIds[0];return b.members[c]}else if(a.pendingUnblockUserIds.length){return!1}return null},x=function(a,b){if(b.pendingAddContactIds.length){var c=b.pendingAddContactIds[0];return b.members[c]}else if(a.pendingAddContactIds.length){return!1}return null},y=function(a,b){if(b.pendingRemoveContactIds.length){var c=b.pendingRemoveContactIds[0];return b.members[c]}else 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if(!c.isblocked&&d.isblocked){return!0}else{return null}},D=function(a,b){var c=a.isFavourite,d=b.isFavourite;if(null===a.id&&null===b.id){return null}else if(null===a.id&&null!==b.id){return"show-add"}else if(null!==a.id&&null===b.id){return"hide"}else if(c==d){return null}else if(!c&&d){return"show-remove"}else if(c&&!d){return"show-add"}else{return null}},E=function(a,b){var c=a.isMuted,d=b.isMuted;if(null===a.id&&null===b.id){return null}else if(null===a.id&&null!==b.id){return"show-mute"}else if(null!==a.id&&null===b.id){return"hide"}else if(c==d){return null}else if(!c&&d){return"show-unmute"}else if(c&&!d){return"show-mute"}else{return null}},F=function(a,b){var c=a.loggedInUserId,d=J(a),e=J(b),f=!d?[]:d.contactrequests.filter(function(a){return a.userid==c&&a.requesteduserid==d.id||a.userid==d.id&&a.requesteduserid==c}),g=!e?[]:e.contactrequests.filter(function(a){return a.userid==c&&a.requesteduserid==e.id||a.userid==e.id&&a.requesteduserid==c}),h=0<f.length,i=0<g.length;if(!d&&!e){return null}else if(h&&i){return null}else if(!h&&i&&!e.iscontact){return"pending-contact"}else if(!d&&e){return e.iscontact?"contact":null}else if(!e&&d){return d.iscontact?"non-contact":null}else if(d.iscontact&&!e.iscontact){return i?"pending-contact":"non-contact"}else if(!d.iscontact&&e.iscontact){return"contact"}else{return null}},G=function(a,b){if(!a.loadingConfirmAction&&b.loadingConfirmAction){return!0}else if(a.loadingConfirmAction&&!b.loadingConfirmAction){return!1}else{return null}},H=function(a,b){var c=0<a.selectedMessageIds.length,d=0<b.selectedMessageIds.length,e=a.messages.length!=b.messages.length;if(!c&&d){return!0}else if(c&&!d){return!1}else if(c&&e){return!0}else{return null}},I=function(a,b){var c=a.selectedMessageIds,d=b.selectedMessageIds;if(g(c,d)){return null}var f=e(c,d,function(c,a){return c==a});return{count:d.length,add:f.missingFromA,remove:f.missingFromB}},J=function(a){return Object.keys(a.members).reduce(function(b,c){if(c!=a.loggedInUserId&&!b){b=a.members[c]}return b},null)},K=function(a,b){if(b.canmessage){return!1}var c=b.contactrequests.filter(function(b){return b.userid==a||b.requesteduserid}),d=0<c.length;return b.requirescontact&&!b.iscontact&&!d},L=function(a,b){var c=J(a),d=J(b),e=0<a.messages.length,f=0<b.messages.length,g=b.loggedInUserId,h=c&&K(g,c),i=d&&K(g,d),j=x(a,b);if(!a.hasTriedToLoadMessages&&!b.hasTriedToLoadMessages){return null}if(!c&&!d){return null}if(!c&&i){return{show:!0,hasMessages:f,user:d}}if(!1===j&&i){return{show:!0,hasMessages:f,user:d}}if(a.hasTriedToLoadMessages&&b.hasTriedToLoadMessages){if(!h&&i){return{show:!0,hasMessages:f,user:d}}if(h&&!i){return{show:!1,hasMessages:f}}}if(!a.hasTriedToLoadMessages&&b.hasTriedToLoadMessages){if(i){return{show:!0,hasMessages:f,user:d}}}if(a.hasTriedToLoadMessages&&!b.hasTriedToLoadMessages){if(h){return{show:!1,hasMessages:e}}}return null},M=function(a,b){var c=J(a),d=J(b);if(!c&&!d){return null}else if(c&&!d){return c.isblocked?!1:null}else if(!c&&d){return d.isblocked?!0:null}else if(!c.isblocked&&d.isblocked){return!0}else if(c.isblocked&&!d.isblocked){return!1}return null},N=function(a,b){var d=J(a),e=J(b);if(b.type==c.CONVERSATION_TYPES.SELF){return null}if(!d&&!e){return null}else if(d&&!e){return d.canmessage?null:!0}else if(!d&&e){return e.canmessage?null:!0}else if(!d.canmessage&&e.canmessage){return!1}else if(d.canmessage&&!e.canmessage){return!0}return null},O=function(a,b){var c=r(a,b),d=H(a,b),e=L(a,b),f=M(a,b),g=N(a,b),h=null!==e?e.show&&e.hasMessages:null,j=J(b),k=function(a,c){if(a){return c}else if(null!==a&&!a){if(!j){return{type:"content"}}else if(j.isblocked){return{type:"unblock"}}else if(b.messages.length&&K(b.loggedInUserId,j)){return{type:"add-contact",user:j}}else if(!j.canmessage&&j.requirescontact&&!j.iscontact){return{type:"unable-to-message"}}}return null};if(null===c&&null===d&&null===e&&null===f){return null}for(var l=[[c,{type:"placeholder"}],[d,{type:"edit-mode"}],[g,{type:"unable-to-message"}],[f,{type:"unblock"}],[h,{type:"add-contact",user:j}]],m=0;m<l.length;m++){var n=l[m][0],o=l[m][1],p=k(n,o);if(null!==p){return p}}return{type:"content"}},P=function(a,b){var c=r(a,b),d=H(a,b);if(null===c&&null===d){return null}if(c){return{type:"placeholder"}}if(d){return{type:"edit-mode"}}return{type:"content"}},Q=function(a,b){var c=a.type,d=b.type,e=a.id,f=b.id,g=Object.keys(a.members),h=Object.keys(b.members);g.sort();h.sort();var i=g.every(function(a,b){return a==h[b]});if(c!=d){return!0}else if(e&&!f){return!0}else if(e&&f&&e!=f){return!0}else if(!e&&!f&&!i){return!0}return null},R=function(a,b){if(a.type!=b.type){return b.type==c.CONVERSATION_TYPES.SELF}return null},S=function(a,b){var c=b.loggedInUserId,d=J(a),e=J(b),f=!d?[]:d.contactrequests.filter(function(a){return a.userid==c}),g=!e?[]:e.contactrequests.filter(function(a){return a.userid==c}),h=0<f.length,i=0<g.length,j=0<a.messages.length,k=0<a.messages.length;if(!h&&i&&!e.iscontact&&!k){return e.fullname}else if(d&&!d.iscontact&&i&&e.iscontact){return!1}else if(h&&!i){return!1}else if(!j&&k){return!1}else{return null}},T=function(b,d){var e={all:{reset:Q,conversation:l,scrollToMessage:p,loadingMembers:q,loadingFirstMessages:r,loadingMessages:s,confirmDeleteSelectedMessages:z,inEditMode:H,selectedMessages:I,isFavourite:D,isMuted:E,showEmojiPicker:t,showEmojiAutoComplete:u}};e[c.CONVERSATION_TYPES.PRIVATE]={header:m,footer:O,confirmBlockUser:v,confirmUnblockUser:w,confirmAddContact:x,confirmRemoveContact:y,confirmContactRequest:B,confirmDeleteConversation:A,isBlocked:C,isContact:F,loadingConfirmAction:G,requireAddContact:L,contactRequestSent:S};e[c.CONVERSATION_TYPES.PUBLIC]={header:o,footer:P};e[c.CONVERSATION_TYPES.SELF]={header:n,footer:P,confirmDeleteConversation:A,selfConversationMessage:R};var f=a.extend({},e.all);if(d.type&&d.type in e){f=a.extend(f,e[d.type])}return Object.keys(f).reduce(function(a,c){var e=f[c],g=e(b,d);if(null!==g){a[c]=g}return a},{})};return{buildPatch:T}});
-//# sourceMappingURL=message_drawer_view_conversation_patcher.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * This module will take 2 view states from the message_drawer_view_conversation
+ * module and generate a patch that can be given to the
+ * message_drawer_view_conversation_renderer module to update the UI.
+ *
+ * This module should never modify either state. It's purely a read only
+ * module.
+ *
+ * @module     core_message/message_drawer_view_conversation_patcher
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */}define("core_message/message_drawer_view_conversation_patcher",["jquery","core/user_date","core_message/message_drawer_view_conversation_constants"],(function($,UserDate,Constants){var sortMessagesByDay=function(messages,midnight){var messagesByDay=messages.reduce((function(carry,message){var timeCreated=message.timeCreated?message.timeCreated:midnight,dayTimestamp=UserDate.getUserMidnightForTimestamp(timeCreated,midnight);return carry.hasOwnProperty(dayTimestamp)?carry[dayTimestamp].push(message):carry[dayTimestamp]=[message],carry}),{});return Object.keys(messagesByDay).map((function(dayTimestamp){return{timestamp:dayTimestamp,messages:messagesByDay[dayTimestamp]}}))},diffArrays=function(a,b,matchFunction){b=b.slice();var missingFromB=[],matches=[];return a.forEach((function(current){for(var found=!1,index=0;index<b.length;index++){var next=b[index];if(matchFunction(current,next)){found=!0,matches.push({a:current,b:next});break}}found?b.splice(index,1):missingFromB.push(current)})),{missingFromA:b,missingFromB:missingFromB,matches:matches}},findPositionInArray=function(array,breakFunction){for(var i=0;i<array.length;i++){var candidate=array[i];if(breakFunction(candidate))return candidate}return null},isArrayEqual=function(a,b){a=a.slice(),b=b.slice(),a.sort(),b.sort();var aLength=a.length,bLength=b.length;return aLength<1&&bLength<1||aLength==bLength&&a.every((function(item,index){return item==b[index]}))},isObjectEqual=function isObjectEqual(a,b){var aKeys=Object.keys(a),bKeys=Object.keys(b);return aKeys.length==bKeys.length&&aKeys.every((function(key){var aVal=a[key],bVal=b[key],aType=_typeof(aVal),bType=_typeof(bVal);if(bType=null===aVal?"null":bType,(aType="object"===(aType=null===aVal?"null":aType)&&Array.isArray(aType)?"array":aType)!==(bType="object"===bType&&Array.isArray(bType)?"array":bType))return!1;switch(aType){case"object":return isObjectEqual(aVal,bVal);case"array":return isArrayEqual(aVal,bVal);default:return a[key]==b[key]}}))},isMessageEqual=function(a,b){return isObjectEqual({id:a.id,state:a.sendState,text:a.text,timeCreated:a.timeCreated},{id:b.id,state:b.sendState,text:b.text,timeCreated:b.timeCreated})},buildDaysPatch=function(current,remove,add){return{remove:remove,add:add.map((function(day){return{before:findPositionInArray(current,(function(candidate){return day.timestamp<candidate.timestamp})),value:day}}))}},buildConversationPatch=function(state,newState){var matchingDays,remove,add,update,diff=diffArrays(state.messages,newState.messages,isMessageEqual);if(diff.missingFromA.length||diff.missingFromB.length){var current=sortMessagesByDay(state.messages,state.midnight),next=sortMessagesByDay(newState.messages,newState.midnight),daysDiff=diffArrays(current,next,(function(dayCurrent,dayNext){return dayCurrent.timestamp==dayNext.timestamp}));return{days:buildDaysPatch(current,daysDiff.missingFromB,daysDiff.missingFromA),messages:(matchingDays=daysDiff.matches,remove=[],add=[],update=[],matchingDays.forEach((function(days){var dayCurrent=days.a,dayNext=days.b,messagesDiff=diffArrays(dayCurrent.messages,dayNext.messages,isMessageEqual),patch=diffArrays(messagesDiff.missingFromB,messagesDiff.missingFromA,(function(a,b){return a.id==b.id||a.sendState!=b.sendState&&a.timeAdded==b.timeAdded}));remove=remove.concat(patch.missingFromB),patch.missingFromA.forEach((function(message){var before=null;message.timeCreated&&(before=findPositionInArray(dayCurrent.messages,(function(candidate){return message.timeCreated==candidate.timeCreated?message.id<candidate.id:message.timeCreated<candidate.timeCreated}))),add.push({before:before,value:message,day:dayCurrent})})),update=update.concat(patch.matches.map((function(message){return{before:message.a,after:message.b}})))})),{add:add,remove:remove,update:update})}}return null},buildHeaderPatchTypePrivate=function(state,newState){var requireAddContact=buildRequireAddContact(state,newState),confirmContactRequest=buildConfirmContactRequest(state,newState),oldOtherUser=getOtherUserFromState(state),newOtherUser=getOtherUserFromState(newState),requiresAddContact=requireAddContact&&requireAddContact.show&&!requireAddContact.hasMessages,requiredAddContact=requireAddContact&&!requireAddContact.show,shouldRenderHeader=!oldOtherUser&&newOtherUser;return(shouldRenderHeader=(shouldRenderHeader=shouldRenderHeader||requiresAddContact||requiredAddContact)||null!==confirmContactRequest)?{type:Constants.CONVERSATION_TYPES.PRIVATE,showControls:!requiresAddContact&&!confirmContactRequest,context:{id:newState.id,name:newState.name,subname:newState.subname,totalmembercount:newState.totalMemberCount,imageurl:newState.imageUrl,isfavourite:newState.isFavourite,ismuted:newState.isMuted,showfavourite:null!==newState.id,userid:newOtherUser.id,showonlinestatus:newOtherUser.showonlinestatus,isonline:newOtherUser.isonline,isblocked:newOtherUser.isblocked,iscontact:newOtherUser.iscontact}}:null},buildHeaderPatchTypeSelf=function(state,newState){return null===state.name&&null!==newState.name?{type:Constants.CONVERSATION_TYPES.SELF,showControls:!1,context:{id:newState.id,name:newState.name,subname:newState.subname,imageurl:newState.imageUrl,isfavourite:newState.isFavourite,showfavourite:null!==newState.id,showonlinestatus:!0}}:null},buildHeaderPatchTypePublic=function(state,newState){return state.totalMemberCount!=newState.totalMemberCount?{type:Constants.CONVERSATION_TYPES.PUBLIC,showControls:!0,context:{id:newState.id,name:newState.name,subname:newState.subname,totalmembercount:newState.totalMemberCount,imageurl:newState.imageUrl,isfavourite:newState.isFavourite,ismuted:newState.isMuted,showfavourite:null!==newState.id}}:null},buildScrollToMessagePatch=function(state,newState){var oldMessages=state.messages,newMessages=newState.messages;if(newMessages.length<1)return null;if(oldMessages.length<1)return newMessages[newMessages.length-1].id;var previousNewest=oldMessages[state.messages.length-1],currentNewest=newMessages[newMessages.length-1],previousOldest=oldMessages[0],currentOldest=newMessages[0];return previousNewest.id!=currentNewest.id?currentNewest.id:previousOldest.id!=currentOldest.id?previousOldest.id:null},buildLoadingMembersPatch=function(state,newState){return!(state.loadingMembers||!newState.loadingMembers)||!(state.loadingMembers&&!newState.loadingMembers)&&null},buildLoadingFirstMessages=function(state,newState){return state.hasTriedToLoadMessages===newState.hasTriedToLoadMessages?null:!(newState.hasTriedToLoadMessages||!newState.loadingMessages)||!(newState.hasTriedToLoadMessages&&!newState.loadingMessages)&&null},buildLoadingMessages=function(state,newState){return!(state.loadingMessages||!newState.loadingMessages)||!(state.loadingMessages&&!newState.loadingMessages)&&null},buildShowEmojiPicker=function(state,newState){return!(state.showEmojiPicker||!newState.showEmojiPicker)||!(state.showEmojiPicker&&!newState.showEmojiPicker)&&null},buildShowEmojiAutoComplete=function(state,newState){return!(state.showEmojiAutoComplete||!newState.showEmojiAutoComplete)||!(state.showEmojiAutoComplete&&!newState.showEmojiAutoComplete)&&null},buildConfirmBlockUser=function(state,newState){if(newState.pendingBlockUserIds.length){var userId=newState.pendingBlockUserIds[0];return newState.members[userId]}return!state.pendingBlockUserIds.length&&null},buildConfirmUnblockUser=function(state,newState){if(newState.pendingUnblockUserIds.length){var userId=newState.pendingUnblockUserIds[0];return newState.members[userId]}return!state.pendingUnblockUserIds.length&&null},buildConfirmAddContact=function(state,newState){if(newState.pendingAddContactIds.length){var userId=newState.pendingAddContactIds[0];return newState.members[userId]}return!state.pendingAddContactIds.length&&null},buildConfirmRemoveContact=function(state,newState){if(newState.pendingRemoveContactIds.length){var userId=newState.pendingRemoveContactIds[0];return newState.members[userId]}return!state.pendingRemoveContactIds.length&&null},buildConfirmDeleteSelectedMessages=function(state,newState){var oldPendingCount=state.pendingDeleteMessageIds.length,newPendingCount=newState.pendingDeleteMessageIds.length;return newPendingCount&&!oldPendingCount?{show:!0,type:newState.type,canDeleteMessagesForAllUsers:newState.canDeleteMessagesForAllUsers}:oldPendingCount&&!newPendingCount?{show:!1}:null},buildConfirmDeleteConversation=function(state,newState){return!state.pendingDeleteConversation&&newState.pendingDeleteConversation?newState.type:!(state.pendingDeleteConversation&&!newState.pendingDeleteConversation)&&null},buildConfirmContactRequest=function(state,newState){var loggedInUserId=state.loggedInUserId,oldOtherUser=getOtherUserFromState(state),newOtherUser=getOtherUserFromState(newState),oldReceivedRequests=oldOtherUser?oldOtherUser.contactrequests.filter((function(request){return request.requesteduserid==loggedInUserId&&request.userid==oldOtherUser.id})):[],newReceivedRequests=newOtherUser?newOtherUser.contactrequests.filter((function(request){return request.requesteduserid==loggedInUserId&&request.userid==newOtherUser.id})):[],oldRequest=oldReceivedRequests.length?oldReceivedRequests[0]:null,newRequest=newReceivedRequests.length?newReceivedRequests[0]:null;return!oldRequest&&newRequest?newOtherUser:!(oldRequest&&!newRequest)&&null},buildIsBlocked=function(state,newState){var oldOtherUser=getOtherUserFromState(state),newOtherUser=getOtherUserFromState(newState);return oldOtherUser||newOtherUser?!oldOtherUser&&newOtherUser?!!newOtherUser.isblocked||null:!newOtherUser&&oldOtherUser?!oldOtherUser.isblocked&&null:!(oldOtherUser.isblocked&&!newOtherUser.isblocked)&&(!(oldOtherUser.isblocked||!newOtherUser.isblocked)||null):null},buildIsFavourite=function(state,newState){var oldIsFavourite=state.isFavourite,newIsFavourite=newState.isFavourite;return null===state.id&&null===newState.id?null:null===state.id&&null!==newState.id?"show-add":null!==state.id&&null===newState.id?"hide":oldIsFavourite==newIsFavourite?null:!oldIsFavourite&&newIsFavourite?"show-remove":oldIsFavourite&&!newIsFavourite?"show-add":null},buildIsMuted=function(state,newState){var oldIsMuted=state.isMuted,newIsMuted=newState.isMuted;return null===state.id&&null===newState.id?null:null===state.id&&null!==newState.id?"show-mute":null!==state.id&&null===newState.id?"hide":oldIsMuted==newIsMuted?null:!oldIsMuted&&newIsMuted?"show-unmute":oldIsMuted&&!newIsMuted?"show-mute":null},buildIsContact=function(state,newState){var loggedInUserId=state.loggedInUserId,oldOtherUser=getOtherUserFromState(state),newOtherUser=getOtherUserFromState(newState),oldContactRequests=oldOtherUser?oldOtherUser.contactrequests.filter((function(request){return request.userid==loggedInUserId&&request.requesteduserid==oldOtherUser.id||request.userid==oldOtherUser.id&&request.requesteduserid==loggedInUserId})):[],newContactRequests=newOtherUser?newOtherUser.contactrequests.filter((function(request){return request.userid==loggedInUserId&&request.requesteduserid==newOtherUser.id||request.userid==newOtherUser.id&&request.requesteduserid==loggedInUserId})):[],oldHasContactRequests=oldContactRequests.length>0,newHasContactRequests=newContactRequests.length>0;return oldOtherUser||newOtherUser?oldHasContactRequests&&newHasContactRequests?null:oldHasContactRequests||!newHasContactRequests||newOtherUser.iscontact?!oldOtherUser&&newOtherUser?newOtherUser.iscontact?"contact":null:!newOtherUser&&oldOtherUser?oldOtherUser.iscontact?"non-contact":null:oldOtherUser.iscontact&&!newOtherUser.iscontact?newHasContactRequests?"pending-contact":"non-contact":!oldOtherUser.iscontact&&newOtherUser.iscontact?"contact":null:"pending-contact":null},buildLoadingConfirmationAction=function(state,newState){return!(state.loadingConfirmAction||!newState.loadingConfirmAction)||!(state.loadingConfirmAction&&!newState.loadingConfirmAction)&&null},buildInEditMode=function(state,newState){var oldHasSelectedMessages=state.selectedMessageIds.length>0,newHasSelectedMessages=newState.selectedMessageIds.length>0,numberOfMessagesHasChanged=state.messages.length!=newState.messages.length;return!(oldHasSelectedMessages||!newHasSelectedMessages)||!(oldHasSelectedMessages&&!newHasSelectedMessages)&&(!(!oldHasSelectedMessages||!numberOfMessagesHasChanged)||null)},buildSelectedMessages=function(state,newState){var oldSelectedMessages=state.selectedMessageIds,newSelectedMessages=newState.selectedMessageIds;if(isArrayEqual(oldSelectedMessages,newSelectedMessages))return null;var diff=diffArrays(oldSelectedMessages,newSelectedMessages,(function(a,b){return a==b}));return{count:newSelectedMessages.length,add:diff.missingFromA,remove:diff.missingFromB}},getOtherUserFromState=function(state){return Object.keys(state.members).reduce((function(carry,userId){return userId==state.loggedInUserId||carry||(carry=state.members[userId]),carry}),null)},requiresContactRequest=function(loggedInUserId,user){if(user.canmessage)return!1;var hasSentContactRequest=user.contactrequests.filter((function(request){return request.userid==loggedInUserId||request.requesteduserid})).length>0;return user.requirescontact&&!user.iscontact&&!hasSentContactRequest},buildRequireAddContact=function(state,newState){var oldOtherUser=getOtherUserFromState(state),newOtherUser=getOtherUserFromState(newState),hadMessages=state.messages.length>0,hasMessages=newState.messages.length>0,loggedInUserId=newState.loggedInUserId,prevRequiresContactRequest=oldOtherUser&&requiresContactRequest(loggedInUserId,oldOtherUser),nextRequiresContactRequest=newOtherUser&&requiresContactRequest(loggedInUserId,newOtherUser),finishedAddContact=!1===buildConfirmAddContact(state,newState);if(!state.hasTriedToLoadMessages&&!newState.hasTriedToLoadMessages)return null;if(!oldOtherUser&&!newOtherUser)return null;if(!oldOtherUser&&nextRequiresContactRequest)return{show:!0,hasMessages:hasMessages,user:newOtherUser};if(finishedAddContact&&nextRequiresContactRequest)return{show:!0,hasMessages:hasMessages,user:newOtherUser};if(state.hasTriedToLoadMessages&&newState.hasTriedToLoadMessages){if(!prevRequiresContactRequest&&nextRequiresContactRequest)return{show:!0,hasMessages:hasMessages,user:newOtherUser};if(prevRequiresContactRequest&&!nextRequiresContactRequest)return{show:!1,hasMessages:hasMessages}}return!state.hasTriedToLoadMessages&&newState.hasTriedToLoadMessages&&nextRequiresContactRequest?{show:!0,hasMessages:hasMessages,user:newOtherUser}:state.hasTriedToLoadMessages&&!newState.hasTriedToLoadMessages&&prevRequiresContactRequest?{show:!1,hasMessages:hadMessages}:null},buildFooterPatchTypePrivate=function(state,newState){var loadingFirstMessages=buildLoadingFirstMessages(state,newState),inEditMode=buildInEditMode(state,newState),requireAddContact=buildRequireAddContact(state,newState),requireUnblock=function(state,newState){var oldOtherUser=getOtherUserFromState(state),newOtherUser=getOtherUserFromState(newState);return oldOtherUser||newOtherUser?oldOtherUser&&!newOtherUser?!oldOtherUser.isblocked&&null:!oldOtherUser&&newOtherUser?!!newOtherUser.isblocked||null:!(oldOtherUser.isblocked||!newOtherUser.isblocked)||!(oldOtherUser.isblocked&&!newOtherUser.isblocked)&&null:null}(state,newState),unableToMessage=function(state,newState){var oldOtherUser=getOtherUserFromState(state),newOtherUser=getOtherUserFromState(newState);return newState.type==Constants.CONVERSATION_TYPES.SELF?null:oldOtherUser||newOtherUser?oldOtherUser&&!newOtherUser?!oldOtherUser.canmessage||null:!oldOtherUser&&newOtherUser?!newOtherUser.canmessage||null:!(!oldOtherUser.canmessage&&newOtherUser.canmessage)&&(!(!oldOtherUser.canmessage||newOtherUser.canmessage)||null):null}(state,newState),showRequireAddContact=null!==requireAddContact?requireAddContact.show&&requireAddContact.hasMessages:null,otherUser=getOtherUserFromState(newState),generateReturnValue=function(checkValue,successReturn){if(checkValue)return successReturn;if(null!==checkValue&&!checkValue){if(!otherUser)return{type:"content"};if(otherUser.isblocked)return{type:"unblock"};if(newState.messages.length&&requiresContactRequest(newState.loggedInUserId,otherUser))return{type:"add-contact",user:otherUser};if(!otherUser.canmessage&&otherUser.requirescontact&&!otherUser.iscontact)return{type:"unable-to-message"}}return null};if(null===loadingFirstMessages&&null===inEditMode&&null===requireAddContact&&null===requireUnblock)return null;for(var checks=[[loadingFirstMessages,{type:"placeholder"}],[inEditMode,{type:"edit-mode"}],[unableToMessage,{type:"unable-to-message"}],[requireUnblock,{type:"unblock"}],[showRequireAddContact,{type:"add-contact",user:otherUser}]],i=0;i<checks.length;i++){var result=generateReturnValue(checks[i][0],checks[i][1]);if(null!==result)return result}return{type:"content"}},buildFooterPatchTypePublic=function(state,newState){var loadingFirstMessages=buildLoadingFirstMessages(state,newState),inEditMode=buildInEditMode(state,newState);return null===loadingFirstMessages&&null===inEditMode?null:loadingFirstMessages?{type:"placeholder"}:inEditMode?{type:"edit-mode"}:{type:"content"}},buildReset=function(state,newState){var oldType=state.type,newType=newState.type,oldConversationId=state.id,newConversationId=newState.id,oldMemberIds=Object.keys(state.members),newMemberIds=Object.keys(newState.members);oldMemberIds.sort(),newMemberIds.sort();var membersUnchanged=oldMemberIds.every((function(id,index){return id==newMemberIds[index]}));return oldType!=newType||(!(!oldConversationId||newConversationId)||(!(!oldConversationId||!newConversationId||oldConversationId==newConversationId)||(!(oldConversationId||newConversationId||membersUnchanged)||null)))},buildSelfConversationMessage=function(state,newState){return state.type!=newState.type?newState.type==Constants.CONVERSATION_TYPES.SELF:null},buildContactRequestSent=function(state,newState){var loggedInUserId=newState.loggedInUserId,oldOtherUser=getOtherUserFromState(state),newOtherUser=getOtherUserFromState(newState),oldSentRequests=oldOtherUser?oldOtherUser.contactrequests.filter((function(request){return request.userid==loggedInUserId})):[],newSentRequests=newOtherUser?newOtherUser.contactrequests.filter((function(request){return request.userid==loggedInUserId})):[],oldRequest=oldSentRequests.length>0,newRequest=newSentRequests.length>0,hadMessages=state.messages.length>0,hasMessages=state.messages.length>0;return oldRequest||!newRequest||newOtherUser.iscontact||hasMessages?!(oldOtherUser&&!oldOtherUser.iscontact&&newRequest&&newOtherUser.iscontact)&&(!(oldRequest&&!newRequest)&&(!(!hadMessages&&hasMessages)&&null)):newOtherUser.fullname};return{buildPatch:function(state,newState){var config={all:{reset:buildReset,conversation:buildConversationPatch,scrollToMessage:buildScrollToMessagePatch,loadingMembers:buildLoadingMembersPatch,loadingFirstMessages:buildLoadingFirstMessages,loadingMessages:buildLoadingMessages,confirmDeleteSelectedMessages:buildConfirmDeleteSelectedMessages,inEditMode:buildInEditMode,selectedMessages:buildSelectedMessages,isFavourite:buildIsFavourite,isMuted:buildIsMuted,showEmojiPicker:buildShowEmojiPicker,showEmojiAutoComplete:buildShowEmojiAutoComplete}};config[Constants.CONVERSATION_TYPES.PRIVATE]={header:buildHeaderPatchTypePrivate,footer:buildFooterPatchTypePrivate,confirmBlockUser:buildConfirmBlockUser,confirmUnblockUser:buildConfirmUnblockUser,confirmAddContact:buildConfirmAddContact,confirmRemoveContact:buildConfirmRemoveContact,confirmContactRequest:buildConfirmContactRequest,confirmDeleteConversation:buildConfirmDeleteConversation,isBlocked:buildIsBlocked,isContact:buildIsContact,loadingConfirmAction:buildLoadingConfirmationAction,requireAddContact:buildRequireAddContact,contactRequestSent:buildContactRequestSent},config[Constants.CONVERSATION_TYPES.PUBLIC]={header:buildHeaderPatchTypePublic,footer:buildFooterPatchTypePublic},config[Constants.CONVERSATION_TYPES.SELF]={header:buildHeaderPatchTypeSelf,footer:buildFooterPatchTypePublic,confirmDeleteConversation:buildConfirmDeleteConversation,selfConversationMessage:buildSelfConversationMessage};var patchConfig=$.extend({},config.all);return newState.type&&newState.type in config&&(patchConfig=$.extend(patchConfig,config[newState.type])),Object.keys(patchConfig).reduce((function(patch,key){var value=(0,patchConfig[key])(state,newState);return null!==value&&(patch[key]=value),patch}),{})}}}));
+
+//# sourceMappingURL=message_drawer_view_conversation_patcher.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation_patcher.min.js.map b/message/amd/build/message_drawer_view_conversation_patcher.min.js.map
index bc94f4e6031..88160f52e4a 100644
--- a/message/amd/build/message_drawer_view_conversation_patcher.min.js.map
+++ b/message/amd/build/message_drawer_view_conversation_patcher.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will take 2 view states from the message_drawer_view_conversation\n * module and generate a patch that can be given to the\n * message_drawer_view_conversation_renderer module to update the UI.\n *\n * This module should never modify either state. It's purely a read only\n * module.\n *\n * @module     core_message/message_drawer_view_conversation_patcher\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/user_date',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    UserDate,\n    Constants\n) {\n    /**\n     * Sort messages by day.\n     *\n     * @param  {Array} messages The list of messages to sort.\n     * @param  {Number} midnight User's midnight timestamp.\n     * @return {Array} messages sorted by day.\n     */\n    var sortMessagesByDay = function(messages, midnight) {\n        var messagesByDay = messages.reduce(function(carry, message) {\n            var timeCreated = message.timeCreated ? message.timeCreated : midnight;\n            var dayTimestamp = UserDate.getUserMidnightForTimestamp(timeCreated, midnight);\n\n            if (carry.hasOwnProperty(dayTimestamp)) {\n                carry[dayTimestamp].push(message);\n            } else {\n                carry[dayTimestamp] = [message];\n            }\n\n            return carry;\n        }, {});\n\n        return Object.keys(messagesByDay).map(function(dayTimestamp) {\n            return {\n                timestamp: dayTimestamp,\n                messages: messagesByDay[dayTimestamp]\n            };\n        });\n    };\n\n    /**\n     * Diff 2 arrays using a match function\n     *\n     * @param  {Array} a The first array.\n     * @param  {Array} b The second array.\n     * @param  {Function} matchFunction Function used for matching array items.\n     * @return {Object} Object containing array items missing from a, array items missing from b\n     * and matches\n     */\n    var diffArrays = function(a, b, matchFunction) {\n        // Make copy of it.\n        b = b.slice();\n        var missingFromA = [];\n        var missingFromB = [];\n        var matches = [];\n\n        a.forEach(function(current) {\n            var found = false;\n            var index = 0;\n\n            for (; index < b.length; index++) {\n                var next = b[index];\n\n                if (matchFunction(current, next)) {\n                    found = true;\n                    matches.push({\n                        a: current,\n                        b: next\n                    });\n                    break;\n                }\n            }\n\n            if (found) {\n                // This day has been processed so removed it from the list.\n                b.splice(index, 1);\n            } else {\n                // If we couldn't find it in the next messages then it means\n                // it needs to be added.\n                missingFromB.push(current);\n            }\n        });\n\n        missingFromA = b;\n\n        return {\n            missingFromA: missingFromA,\n            missingFromB: missingFromB,\n            matches: matches\n        };\n    };\n\n    /**\n     * Find an element in a array based on a matching function.\n     *\n     * @param  {array} array Array to search.\n     * @param  {Function} breakFunction Function to run on array item.\n     * @return {*} The array item.\n     */\n    var findPositionInArray = function(array, breakFunction) {\n        var before = null;\n\n        for (var i = 0; i < array.length; i++) {\n            var candidate = array[i];\n\n            if (breakFunction(candidate)) {\n                return candidate;\n            }\n        }\n\n        return before;\n    };\n\n    /**\n     * Check if 2 arrays are equal.\n     *\n     * @param  {Array} a The first array.\n     * @param  {Array} b The second array.\n     * @return {Boolean} Are arrays equal.\n     */\n    var isArrayEqual = function(a, b) {\n        // Make shallow copies so that we don't mess with the array sorting.\n        a = a.slice();\n        b = b.slice();\n        a.sort();\n        b.sort();\n        var aLength = a.length;\n        var bLength = b.length;\n\n        if (aLength < 1 && bLength < 1) {\n            return true;\n        }\n\n        if (aLength != bLength) {\n            return false;\n        }\n\n        return a.every(function(item, index) {\n            return item == b[index];\n        });\n    };\n\n    /**\n     * Do a shallow check to see if two objects appear to be equal. This should\n     * only be used for pretty basic objects.\n     *\n     * @param {Object} a First object to compare.\n     * @param {Object} b Second object to compare\n     * @return {Bool}\n     */\n    var isObjectEqual = function(a, b) {\n        var aKeys = Object.keys(a);\n        var bKeys = Object.keys(b);\n\n        if (aKeys.length != bKeys.length) {\n            return false;\n        }\n\n        return aKeys.every(function(key) {\n            var aVal = a[key];\n            var bVal = b[key];\n            var aType = typeof aVal;\n            var bType = typeof bVal;\n            aType = (aVal === null) ? 'null' : aType;\n            bType = (aVal === null) ? 'null' : bType;\n            aType = (aType === 'object' && Array.isArray(aType)) ? 'array' : aType;\n            bType = (bType === 'object' && Array.isArray(bType)) ? 'array' : bType;\n\n            if (aType !== bType) {\n                return false;\n            }\n\n            switch (aType) {\n                case 'object':\n                    return isObjectEqual(aVal, bVal);\n                case 'array':\n                    return isArrayEqual(aVal, bVal);\n                default:\n                    return a[key] == b[key];\n            }\n        });\n    };\n\n    /**\n     * Compare two messages to check if they are equal. This function only checks a subset\n     * of the message properties which we know will change rather than all properties.\n     *\n     * @param {Object} a The first message\n     * @param {Object} b The second message\n     * @return {Bool}\n     */\n    var isMessageEqual = function(a, b) {\n        return isObjectEqual(\n            {\n                id: a.id,\n                state: a.sendState,\n                text: a.text,\n                timeCreated: a.timeCreated\n            },\n            {\n                id: b.id,\n                state: b.sendState,\n                text: b.text,\n                timeCreated: b.timeCreated\n            }\n        );\n    };\n\n    /**\n     * Build a patch based on days.\n     *\n     * @param  {Object} current Current list current items.\n     * @param  {Array} remove List of days to remove.\n     * @param  {Array} add List of days to add.\n     * @return {Object} Patch with elements to add and remove.\n     */\n    var buildDaysPatch = function(current, remove, add) {\n        return {\n            remove: remove,\n            add: add.map(function(day) {\n                // Any days left over in the \"next\" list weren't in the \"current\" list\n                // so they will need to be added.\n                var before = findPositionInArray(current, function(candidate) {\n                    return day.timestamp < candidate.timestamp;\n                });\n\n                return {\n                    before: before,\n                    value: day\n                };\n            })\n        };\n    };\n\n    /**\n     * Build the messages patch for each day.\n     *\n     * @param {Array} matchingDays Array of old and new messages sorted by day.\n     * @return {Object} patch.\n     */\n    var buildMessagesPatch = function(matchingDays) {\n        var remove = [];\n        var add = [];\n        var update = [];\n\n        // Iterate over the list of days and determine which messages in those days\n        // have been changed.\n        matchingDays.forEach(function(days) {\n            var dayCurrent = days.a;\n            var dayNext = days.b;\n            // Find out which messages have changed in this day. This will return a list of messages\n            // from the current state that couldn't be found in the next state and a list of messages in\n            // the next state which couldn't be count in the current state.\n            var messagesDiff = diffArrays(dayCurrent.messages, dayNext.messages, isMessageEqual);\n            // Take the two arrays (list of messages changed from dayNext and list of messages changed\n            // from dayCurrent) any work out which messages have been added/removed from the list and\n            // which messages were just updated.\n            var patch = diffArrays(\n                // The messages from dayCurrent.message that weren't in dayNext.messages.\n                messagesDiff.missingFromB,\n                // The messages from dayNext.message that weren't in dayCurrent.messages.\n                messagesDiff.missingFromA,\n                function(a, b) {\n                    // This function is going to determine if the messages were\n                    // added/removed from either list or if they were simply an updated.\n                    //\n                    // If the IDs match or it was a state change (i.e. message with a temp\n                    // ID goes from pending to sent and receives an actual id) then they are\n                    // the same message which should be an update not an add/remove.\n                    return a.id == b.id || (a.sendState != b.sendState && a.timeAdded == b.timeAdded);\n                }\n            );\n\n            // Any messages from the current state for this day which aren't in the next state\n            // for this day (i.e. the user deleted the message) means we need to remove them from\n            // the UI.\n            remove = remove.concat(patch.missingFromB);\n\n            // Any messages not in the current state for this day which are in the next state\n            // for this day (i.e. it's a new message) means we need to add it to the UI so work\n            // out where in the list of messages it should appear (it could be a new message the\n            // user has sent or older messages loaded as part of the conversation scroll back).\n            patch.missingFromA.forEach(function(message) {\n                // By default a null value for before will render the message at the bottom of\n                // the message UI (i.e. it's the newest message).\n                var before = null;\n\n                if (message.timeCreated) {\n                    // If this message has a time created then find where it sits in the list of\n                    // message to insert it into the correct position.\n                    before = findPositionInArray(dayCurrent.messages, function(candidate) {\n                        if (message.timeCreated == candidate.timeCreated) {\n                            return message.id < candidate.id;\n                        } else {\n                            return message.timeCreated < candidate.timeCreated;\n                        }\n                    });\n                }\n\n                add.push({\n                    before: before,\n                    value: message,\n                    day: dayCurrent\n                });\n            });\n\n            // Any message that appears in both the current state for this day and the next state\n            // for this day means something in the message was updated.\n            update = update.concat(patch.matches.map(function(message) {\n                return {\n                    before: message.a,\n                    after: message.b\n                };\n            }));\n        });\n\n        return {\n            add: add,\n            remove: remove,\n            update: update\n        };\n    };\n\n    /**\n     * Build a patch for this conversation.\n     *\n     * @param  {Object} state, The current state of this conversation.\n     * @param  {Object} newState, The new state of this conversation.\n     * @return {Object} Patch with days and messsages for each day.\n     */\n    var buildConversationPatch = function(state, newState) {\n        var diff = diffArrays(state.messages, newState.messages, isMessageEqual);\n\n        if (diff.missingFromA.length || diff.missingFromB.length) {\n            // Some messages have changed so let's work out which ones by sorting\n            // them into their respective days.\n            var current = sortMessagesByDay(state.messages, state.midnight);\n            var next = sortMessagesByDay(newState.messages, newState.midnight);\n            // This diffs the arrays to work out if there are any missing days that need\n            // to be added (i.e. we've got some new messages on a new day) or if there\n            // are any days that need to be deleted (i.e. the user has deleted some old messages).\n            var daysDiff = diffArrays(current, next, function(dayCurrent, dayNext) {\n                return dayCurrent.timestamp == dayNext.timestamp;\n            });\n\n            return {\n                // Handle adding or removing whole days.\n                days: buildDaysPatch(current, daysDiff.missingFromB, daysDiff.missingFromA),\n                // Handle updating messages that don't require adding/removing a whole day.\n                messages: buildMessagesPatch(daysDiff.matches)\n            };\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypePrivate = function(state, newState) {\n        var requireAddContact = buildRequireAddContact(state, newState);\n        var confirmContactRequest = buildConfirmContactRequest(state, newState);\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var requiresAddContact = requireAddContact && requireAddContact.show && !requireAddContact.hasMessages;\n        var requiredAddContact = requireAddContact && !requireAddContact.show;\n        // Render the header once we've got a user.\n        var shouldRenderHeader = !oldOtherUser && newOtherUser;\n        // We should also re-render the header if the other user requires\n        // being added as a contact or if they did but no longer do.\n        shouldRenderHeader = shouldRenderHeader || requiresAddContact || requiredAddContact;\n        // Finally, we should re-render if the other user has sent this user\n        // a contact request that is waiting for approval or if it's been approved/declined.\n        shouldRenderHeader = shouldRenderHeader || confirmContactRequest !== null;\n\n        if (shouldRenderHeader) {\n            return {\n                type: Constants.CONVERSATION_TYPES.PRIVATE,\n                // We can show controls if the other user doesn't require add contact\n                // and we aren't waiting for this user to respond to a contact request.\n                showControls: !requiresAddContact && !confirmContactRequest,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    totalmembercount: newState.totalMemberCount,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    ismuted: newState.isMuted,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null,\n                    userid: newOtherUser.id,\n                    showonlinestatus: newOtherUser.showonlinestatus,\n                    isonline: newOtherUser.isonline,\n                    isblocked: newOtherUser.isblocked,\n                    iscontact: newOtherUser.iscontact\n                }\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypeSelf = function(state, newState) {\n        var shouldRenderHeader = (state.name === null && newState.name !== null);\n\n        if (shouldRenderHeader) {\n            return {\n                type: Constants.CONVERSATION_TYPES.SELF,\n                // Don't display the controls for the self-conversations.\n                showControls: false,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null,\n                    showonlinestatus: true,\n                }\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypePublic = function(state, newState) {\n        var oldMemberCount = state.totalMemberCount;\n        var newMemberCount = newState.totalMemberCount;\n\n        if (oldMemberCount != newMemberCount) {\n            return {\n                type: Constants.CONVERSATION_TYPES.PUBLIC,\n                showControls: true,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    totalmembercount: newState.totalMemberCount,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    ismuted: newState.isMuted,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null\n                }\n            };\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Find the newest or oldest message.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Number} Oldest or newest message id.\n     */\n    var buildScrollToMessagePatch = function(state, newState) {\n        var oldMessages = state.messages;\n        var newMessages = newState.messages;\n\n        if (newMessages.length < 1) {\n            return null;\n        }\n\n        if (oldMessages.length < 1) {\n            return newMessages[newMessages.length - 1].id;\n        }\n\n        var previousNewest = oldMessages[state.messages.length - 1];\n        var currentNewest = newMessages[newMessages.length - 1];\n        var previousOldest = oldMessages[0];\n        var currentOldest = newMessages[0];\n\n        if (previousNewest.id != currentNewest.id) {\n            return currentNewest.id;\n        } else if (previousOldest.id != currentOldest.id) {\n            return previousOldest.id;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if members should be loaded.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingMembersPatch = function(state, newState) {\n        if (!state.loadingMembers && newState.loadingMembers) {\n            return true;\n        } else if (state.loadingMembers && !newState.loadingMembers) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if the messages are being loaded for the first time.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingFirstMessages = function(state, newState) {\n        if (state.hasTriedToLoadMessages === newState.hasTriedToLoadMessages) {\n            return null;\n        } else if (!newState.hasTriedToLoadMessages && newState.loadingMessages) {\n            return true;\n        } else if (newState.hasTriedToLoadMessages && !newState.loadingMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if the messages are still being loaded\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingMessages = function(state, newState) {\n        if (!state.loadingMessages && newState.loadingMessages) {\n            return true;\n        } else if (state.loadingMessages && !newState.loadingMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Determine if we should show the emoji picker.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildShowEmojiPicker = function(state, newState) {\n        if (!state.showEmojiPicker && newState.showEmojiPicker) {\n            return true;\n        } else if (state.showEmojiPicker && !newState.showEmojiPicker) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Determine if we should show the emoji auto complete.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildShowEmojiAutoComplete = function(state, newState) {\n        if (!state.showEmojiAutoComplete && newState.showEmojiAutoComplete) {\n            return true;\n        } else if (state.showEmojiAutoComplete && !newState.showEmojiAutoComplete) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Get the user Object of user to be blocked if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmBlockUser = function(state, newState) {\n        if (newState.pendingBlockUserIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingBlockUserIds[0];\n            return newState.members[userId];\n        } else if (state.pendingBlockUserIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be unblocked if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmUnblockUser = function(state, newState) {\n        if (newState.pendingUnblockUserIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingUnblockUserIds[0];\n            return newState.members[userId];\n        } else if (state.pendingUnblockUserIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be added as contact if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmAddContact = function(state, newState) {\n        if (newState.pendingAddContactIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingAddContactIds[0];\n            return newState.members[userId];\n        } else if (state.pendingAddContactIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be removed as contact if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmRemoveContact = function(state, newState) {\n        if (newState.pendingRemoveContactIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingRemoveContactIds[0];\n            return newState.members[userId];\n        } else if (state.pendingRemoveContactIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there are any messages to be deleted.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Null} The conversation type and if the user can delete  the messages for all users.\n     */\n    var buildConfirmDeleteSelectedMessages = function(state, newState) {\n        var oldPendingCount = state.pendingDeleteMessageIds.length;\n        var newPendingCount = newState.pendingDeleteMessageIds.length;\n\n        if (newPendingCount && !oldPendingCount) {\n            return {\n                show: true,\n                type: newState.type,\n                canDeleteMessagesForAllUsers: newState.canDeleteMessagesForAllUsers\n            };\n        } else if (oldPendingCount && !newPendingCount) {\n            return {\n                show: false\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there is a conversation to be deleted.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {int|Null} The conversation type to be deleted.\n     */\n    var buildConfirmDeleteConversation = function(state, newState) {\n        if (!state.pendingDeleteConversation && newState.pendingDeleteConversation) {\n            return newState.type;\n        } else if (state.pendingDeleteConversation && !newState.pendingDeleteConversation) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there is a pending contact request to accept or decline.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildConfirmContactRequest = function(state, newState) {\n        var loggedInUserId = state.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldReceivedRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId && request.userid == oldOtherUser.id;\n        });\n        var newReceivedRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId && request.userid == newOtherUser.id;\n        });\n        var oldRequest = oldReceivedRequests.length ? oldReceivedRequests[0] : null;\n        var newRequest = newReceivedRequests.length ? newReceivedRequests[0] : null;\n\n        if (!oldRequest && newRequest) {\n            return newOtherUser;\n        } else if (oldRequest && !newRequest) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes in blocked users.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsBlocked = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.isblocked ? true : null;\n        } else if (!newOtherUser && oldOtherUser) {\n            return oldOtherUser.isblocked ? false : null;\n        } else if (oldOtherUser.isblocked && !newOtherUser.isblocked) {\n            return false;\n        } else if (!oldOtherUser.isblocked && newOtherUser.isblocked) {\n            return true;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes the conversation favourite state.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsFavourite = function(state, newState) {\n        var oldIsFavourite = state.isFavourite;\n        var newIsFavourite = newState.isFavourite;\n\n        if (state.id === null && newState.id === null) {\n            // The conversation isn't yet created so don't change anything.\n            return null;\n        } else if (state.id === null && newState.id !== null) {\n            // The conversation was created so we can show the add favourite button.\n            return 'show-add';\n        } else if (state.id !== null && newState.id === null) {\n            // We're changing from a created conversation to a new conversation so hide\n            // the favouriting functionality for now.\n            return 'hide';\n        } else if (oldIsFavourite == newIsFavourite) {\n            // No change.\n            return null;\n        } else if (!oldIsFavourite && newIsFavourite) {\n            return 'show-remove';\n        } else if (oldIsFavourite && !newIsFavourite) {\n            return 'show-add';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes the conversation muted state.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {string|null}\n     */\n    var buildIsMuted = function(state, newState) {\n        var oldIsMuted = state.isMuted;\n        var newIsMuted = newState.isMuted;\n\n        if (state.id === null && newState.id === null) {\n            // The conversation isn't yet created so don't change anything.\n            return null;\n        } else if (state.id === null && newState.id !== null) {\n            // The conversation was created so we can show the mute button.\n            return 'show-mute';\n        } else if (state.id !== null && newState.id === null) {\n            // We're changing from a created conversation to a new conversation so hide\n            // the muting functionality for now.\n            return 'hide';\n        } else if (oldIsMuted == newIsMuted) {\n            // No change.\n            return null;\n        } else if (!oldIsMuted && newIsMuted) {\n            return 'show-unmute';\n        } else if (oldIsMuted && !newIsMuted) {\n            return 'show-mute';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes in the contact status of the current user\n     * and other user.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsContact = function(state, newState) {\n        var loggedInUserId = state.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldContactRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return (request.userid == loggedInUserId && request.requesteduserid == oldOtherUser.id) ||\n                (request.userid == oldOtherUser.id && request.requesteduserid == loggedInUserId);\n        });\n        var newContactRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return (request.userid == loggedInUserId && request.requesteduserid == newOtherUser.id) ||\n                (request.userid == newOtherUser.id && request.requesteduserid == loggedInUserId);\n        });\n        var oldHasContactRequests = oldContactRequests.length > 0;\n        var newHasContactRequests = newContactRequests.length > 0;\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldHasContactRequests && newHasContactRequests) {\n            return null;\n        } else if (!oldHasContactRequests && newHasContactRequests && !newOtherUser.iscontact) {\n            return 'pending-contact';\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.iscontact ? 'contact' : null;\n        } else if (!newOtherUser && oldOtherUser) {\n            return oldOtherUser.iscontact ? 'non-contact' : null;\n        } else if (oldOtherUser.iscontact && !newOtherUser.iscontact) {\n            return newHasContactRequests ? 'pending-contact' : 'non-contact';\n        } else if (!oldOtherUser.iscontact && newOtherUser.iscontact) {\n            return 'contact';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if a confirm action is active.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingConfirmationAction = function(state, newState) {\n        if (!state.loadingConfirmAction && newState.loadingConfirmAction) {\n            return true;\n        } else if (state.loadingConfirmAction && !newState.loadingConfirmAction) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if a edit mode is active.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildInEditMode = function(state, newState) {\n        var oldHasSelectedMessages = state.selectedMessageIds.length > 0;\n        var newHasSelectedMessages = newState.selectedMessageIds.length > 0;\n        var numberOfMessagesHasChanged = state.messages.length != newState.messages.length;\n\n        if (!oldHasSelectedMessages && newHasSelectedMessages) {\n            return true;\n        } else if (oldHasSelectedMessages && !newHasSelectedMessages) {\n            return false;\n        } else if (oldHasSelectedMessages && numberOfMessagesHasChanged) {\n            return true;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build a patch for the messages selected.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildSelectedMessages = function(state, newState) {\n        var oldSelectedMessages = state.selectedMessageIds;\n        var newSelectedMessages = newState.selectedMessageIds;\n\n        if (isArrayEqual(oldSelectedMessages, newSelectedMessages)) {\n            return null;\n        }\n\n        var diff = diffArrays(oldSelectedMessages, newSelectedMessages, function(a, b) {\n            return a == b;\n        });\n\n        return {\n            count: newSelectedMessages.length,\n            add: diff.missingFromA,\n            remove: diff.missingFromB\n        };\n    };\n\n    /**\n     * Get a list of users from the state that are not the logged in user. Use to find group\n     * message members or the other user in a conversation.\n     *\n     * @param  {Object} state State\n     * @return {Array} List of users.\n     */\n    var getOtherUserFromState = function(state) {\n        return Object.keys(state.members).reduce(function(carry, userId) {\n            if (userId != state.loggedInUserId && !carry) {\n                carry = state.members[userId];\n            }\n\n            return carry;\n        }, null);\n    };\n\n    /**\n     * Check if the given user requires a contact request from the logged in user.\n     *\n     * @param  {Integer} loggedInUserId The logged in user id\n     * @param  {Object} user User record\n     * @return {Bool}\n     */\n    var requiresContactRequest = function(loggedInUserId, user) {\n        // If a user can message then no contact request is required.\n        if (user.canmessage) {\n            return false;\n        }\n\n        var contactRequests = user.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId || request.requesteduserid;\n        });\n        var hasSentContactRequest = contactRequests.length > 0;\n        return user.requirescontact && !user.iscontact && !hasSentContactRequest;\n    };\n\n    /**\n     * Check if other users are required to be added as contact.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} Object controlling the required to add contact dialog variables.\n     */\n    var buildRequireAddContact = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var hadMessages = state.messages.length > 0;\n        var hasMessages = newState.messages.length > 0;\n        var loggedInUserId = newState.loggedInUserId;\n        var prevRequiresContactRequest = oldOtherUser && requiresContactRequest(loggedInUserId, oldOtherUser);\n        var nextRequiresContactRequest = newOtherUser && requiresContactRequest(loggedInUserId, newOtherUser);\n        var confirmAddContact = buildConfirmAddContact(state, newState);\n        var finishedAddContact = confirmAddContact === false;\n\n        // Still doing first load.\n        if (!state.hasTriedToLoadMessages && !newState.hasTriedToLoadMessages) {\n            return null;\n        }\n\n        // No users yet.\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        }\n\n        // We've loaded a new user and they require a contact request.\n        if (!oldOtherUser && nextRequiresContactRequest) {\n            return {\n                show: true,\n                hasMessages: hasMessages,\n                user: newOtherUser\n            };\n        }\n\n        // The logged in user has completed the confirm contact request dialogue\n        // but the other user still requires a contact request which means the logged\n        // in user either declined the confirmation or it failed.\n        if (finishedAddContact && nextRequiresContactRequest) {\n            return {\n                show: true,\n                hasMessages: hasMessages,\n                user: newOtherUser\n            };\n        }\n\n        // Everything is loaded.\n        if (state.hasTriedToLoadMessages && newState.hasTriedToLoadMessages) {\n            if (!prevRequiresContactRequest && nextRequiresContactRequest) {\n                return {\n                    show: true,\n                    hasMessages: hasMessages,\n                    user: newOtherUser\n                };\n            }\n\n            if (prevRequiresContactRequest && !nextRequiresContactRequest) {\n                return {\n                    show: false,\n                    hasMessages: hasMessages\n                };\n            }\n        }\n\n        // First load just completed.\n        if (!state.hasTriedToLoadMessages && newState.hasTriedToLoadMessages) {\n            if (nextRequiresContactRequest) {\n                return {\n                    show: true,\n                    hasMessages: hasMessages,\n                    user: newOtherUser\n                };\n            }\n        }\n\n        // Being reset.\n        if (state.hasTriedToLoadMessages && !newState.hasTriedToLoadMessages) {\n            if (prevRequiresContactRequest) {\n                return {\n                    show: false,\n                    hasMessages: hadMessages\n                };\n            }\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if other users are required to be unblocked.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildRequireUnblock = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldOtherUser && !newOtherUser) {\n            return oldOtherUser.isblocked ? false : null;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.isblocked ? true : null;\n        } else if (!oldOtherUser.isblocked && newOtherUser.isblocked) {\n            return true;\n        } else if (oldOtherUser.isblocked && !newOtherUser.isblocked) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if other users can be messaged.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildUnableToMessage = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (newState.type == Constants.CONVERSATION_TYPES.SELF) {\n            // Users always can send message themselves on self-conversations.\n            return null;\n        }\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldOtherUser && !newOtherUser) {\n            return oldOtherUser.canmessage ? null : true;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.canmessage ? null : true;\n        } else if (!oldOtherUser.canmessage && newOtherUser.canmessage) {\n            return false;\n        } else if (oldOtherUser.canmessage && !newOtherUser.canmessage) {\n            return true;\n        }\n\n        return null;\n    };\n\n    /**\n     * Build patch for footer information for a private conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} containing footer state type.\n     */\n    var buildFooterPatchTypePrivate = function(state, newState) {\n        var loadingFirstMessages = buildLoadingFirstMessages(state, newState);\n        var inEditMode = buildInEditMode(state, newState);\n        var requireAddContact = buildRequireAddContact(state, newState);\n        var requireUnblock = buildRequireUnblock(state, newState);\n        var unableToMessage = buildUnableToMessage(state, newState);\n        var showRequireAddContact = requireAddContact !== null ? requireAddContact.show && requireAddContact.hasMessages : null;\n        var otherUser = getOtherUserFromState(newState);\n        var generateReturnValue = function(checkValue, successReturn) {\n            if (checkValue) {\n                return successReturn;\n            } else if (checkValue !== null && !checkValue) {\n                if (!otherUser) {\n                    return {type: 'content'};\n                } else if (otherUser.isblocked) {\n                    return {type: 'unblock'};\n                } else if (newState.messages.length && requiresContactRequest(newState.loggedInUserId, otherUser)) {\n                    return {\n                        type: 'add-contact',\n                        user: otherUser\n                    };\n                } else if (!otherUser.canmessage && (otherUser.requirescontact && !otherUser.iscontact)) {\n                    return {type: 'unable-to-message'};\n                }\n            }\n\n            return null;\n        };\n\n        if (\n            loadingFirstMessages === null &&\n            inEditMode === null &&\n            requireAddContact === null &&\n            requireUnblock === null\n        ) {\n            return null;\n        }\n\n        var checks = [\n            [loadingFirstMessages, {type: 'placeholder'}],\n            [inEditMode, {type: 'edit-mode'}],\n            [unableToMessage, {type: 'unable-to-message'}],\n            [requireUnblock, {type: 'unblock'}],\n            [showRequireAddContact, {type: 'add-contact', user: otherUser}]\n        ];\n\n        for (var i = 0; i < checks.length; i++) {\n            var checkValue = checks[i][0];\n            var successReturn = checks[i][1];\n            var result = generateReturnValue(checkValue, successReturn);\n\n            if (result !== null) {\n                return result;\n            }\n        }\n\n        return {\n            type: 'content'\n        };\n    };\n\n    /**\n     * Build patch for footer information for a public conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} containing footer state type.\n     */\n    var buildFooterPatchTypePublic = function(state, newState) {\n        var loadingFirstMessages = buildLoadingFirstMessages(state, newState);\n        var inEditMode = buildInEditMode(state, newState);\n\n        if (loadingFirstMessages === null && inEditMode === null) {\n            return null;\n        }\n\n        if (loadingFirstMessages) {\n            return {type: 'placeholder'};\n        }\n\n        if (inEditMode) {\n            return {type: 'edit-mode'};\n        }\n\n        return {\n            type: 'content'\n        };\n    };\n\n    /**\n     * Check if we're viewing a different conversation. If so then we need to\n     * reset the UI.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {bool|null} If a reset needs to occur\n     */\n    var buildReset = function(state, newState) {\n        var oldType = state.type;\n        var newType = newState.type;\n        var oldConversationId = state.id;\n        var newConversationId = newState.id;\n        var oldMemberIds = Object.keys(state.members);\n        var newMemberIds = Object.keys(newState.members);\n\n        oldMemberIds.sort();\n        newMemberIds.sort();\n\n        var membersUnchanged = oldMemberIds.every(function(id, index) {\n            return id == newMemberIds[index];\n        });\n\n        if (oldType != newType) {\n            // If we've changed conversation type then we need to reset.\n            return true;\n        } else if (oldConversationId && !newConversationId) {\n            // We previously had a conversation id but no longer do. This likely means\n            // the user is viewing the conversation with someone they've never spoken to\n            // before.\n            return true;\n        } else if (oldConversationId && newConversationId && oldConversationId != newConversationId) {\n            // If we had a conversation id and it's changed then we need to reset.\n            return true;\n        } else if (!oldConversationId && !newConversationId && !membersUnchanged) {\n            // If we never had a conversation id but the members of the conversation have\n            // changed then we need to reset. This can happen if the user goes from viewing\n            // a user they've never had a conversation with to viewing a different user that\n            // they've never had a conversation with.\n            return true;\n        }\n\n        return null;\n    };\n\n    /**\n     * We should show this message always, for all the self-conversations.\n     *\n     * The message should be hidden when it's not a self-conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {bool}\n     */\n    var buildSelfConversationMessage = function(state, newState) {\n        if (state.type != newState.type) {\n            return (newState.type == Constants.CONVERSATION_TYPES.SELF);\n        }\n\n        return null;\n    };\n\n    /**\n     * We should show the contact request sent message if the user just sent\n     * a contact request to the other user and there are no messages in the\n     * conversation.\n     *\n     * The messages should be hidden when there are messages in the conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {string|false|null}\n     */\n    var buildContactRequestSent = function(state, newState) {\n        var loggedInUserId = newState.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldSentRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId;\n        });\n        var newSentRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId;\n        });\n        var oldRequest = oldSentRequests.length > 0;\n        var newRequest = newSentRequests.length > 0;\n        var hadMessages = state.messages.length > 0;\n        var hasMessages = state.messages.length > 0;\n\n        if (!oldRequest && newRequest && !newOtherUser.iscontact && !hasMessages) {\n            return newOtherUser.fullname;\n        } else if (oldOtherUser && !oldOtherUser.iscontact && newRequest && newOtherUser.iscontact) {\n            // Contact request accepted.\n            return false;\n        } else if (oldRequest && !newRequest) {\n            return false;\n        } else if (!hadMessages && hasMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build the full patch comparing the current state and the new state. This patch is used by\n     * the conversation renderer to render the UI on any update.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} Patch containing all information changed.\n     */\n    var buildPatch = function(state, newState) {\n        var config = {\n            all: {\n                reset: buildReset,\n                conversation: buildConversationPatch,\n                scrollToMessage: buildScrollToMessagePatch,\n                loadingMembers: buildLoadingMembersPatch,\n                loadingFirstMessages: buildLoadingFirstMessages,\n                loadingMessages: buildLoadingMessages,\n                confirmDeleteSelectedMessages: buildConfirmDeleteSelectedMessages,\n                inEditMode: buildInEditMode,\n                selectedMessages: buildSelectedMessages,\n                isFavourite: buildIsFavourite,\n                isMuted: buildIsMuted,\n                showEmojiPicker: buildShowEmojiPicker,\n                showEmojiAutoComplete: buildShowEmojiAutoComplete\n            }\n        };\n        // These build functions are only applicable to private conversations.\n        config[Constants.CONVERSATION_TYPES.PRIVATE] = {\n            header: buildHeaderPatchTypePrivate,\n            footer: buildFooterPatchTypePrivate,\n            confirmBlockUser: buildConfirmBlockUser,\n            confirmUnblockUser: buildConfirmUnblockUser,\n            confirmAddContact: buildConfirmAddContact,\n            confirmRemoveContact: buildConfirmRemoveContact,\n            confirmContactRequest: buildConfirmContactRequest,\n            confirmDeleteConversation: buildConfirmDeleteConversation,\n            isBlocked: buildIsBlocked,\n            isContact: buildIsContact,\n            loadingConfirmAction: buildLoadingConfirmationAction,\n            requireAddContact: buildRequireAddContact,\n            contactRequestSent: buildContactRequestSent\n        };\n        // These build functions are only applicable to public (group) conversations.\n        config[Constants.CONVERSATION_TYPES.PUBLIC] = {\n            header: buildHeaderPatchTypePublic,\n            footer: buildFooterPatchTypePublic,\n        };\n        // These build functions are only applicable to self-conversations.\n        config[Constants.CONVERSATION_TYPES.SELF] = {\n            header: buildHeaderPatchTypeSelf,\n            footer: buildFooterPatchTypePublic,\n            confirmDeleteConversation: buildConfirmDeleteConversation,\n            selfConversationMessage: buildSelfConversationMessage\n        };\n\n        var patchConfig = $.extend({}, config.all);\n        if (newState.type && newState.type in config) {\n            // Add the type specific builders to the patch config.\n            patchConfig = $.extend(patchConfig, config[newState.type]);\n        }\n\n        return Object.keys(patchConfig).reduce(function(patch, key) {\n            var buildFunc = patchConfig[key];\n            var value = buildFunc(state, newState);\n\n            if (value !== null) {\n                patch[key] = value;\n            }\n\n            return patch;\n        }, {});\n    };\n\n    return {\n        buildPatch: buildPatch\n    };\n});\n"],"file":"message_drawer_view_conversation_patcher.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_conversation_patcher.min.js","sources":["../src/message_drawer_view_conversation_patcher.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will take 2 view states from the message_drawer_view_conversation\n * module and generate a patch that can be given to the\n * message_drawer_view_conversation_renderer module to update the UI.\n *\n * This module should never modify either state. It's purely a read only\n * module.\n *\n * @module     core_message/message_drawer_view_conversation_patcher\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/user_date',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    UserDate,\n    Constants\n) {\n    /**\n     * Sort messages by day.\n     *\n     * @param  {Array} messages The list of messages to sort.\n     * @param  {Number} midnight User's midnight timestamp.\n     * @return {Array} messages sorted by day.\n     */\n    var sortMessagesByDay = function(messages, midnight) {\n        var messagesByDay = messages.reduce(function(carry, message) {\n            var timeCreated = message.timeCreated ? message.timeCreated : midnight;\n            var dayTimestamp = UserDate.getUserMidnightForTimestamp(timeCreated, midnight);\n\n            if (carry.hasOwnProperty(dayTimestamp)) {\n                carry[dayTimestamp].push(message);\n            } else {\n                carry[dayTimestamp] = [message];\n            }\n\n            return carry;\n        }, {});\n\n        return Object.keys(messagesByDay).map(function(dayTimestamp) {\n            return {\n                timestamp: dayTimestamp,\n                messages: messagesByDay[dayTimestamp]\n            };\n        });\n    };\n\n    /**\n     * Diff 2 arrays using a match function\n     *\n     * @param  {Array} a The first array.\n     * @param  {Array} b The second array.\n     * @param  {Function} matchFunction Function used for matching array items.\n     * @return {Object} Object containing array items missing from a, array items missing from b\n     * and matches\n     */\n    var diffArrays = function(a, b, matchFunction) {\n        // Make copy of it.\n        b = b.slice();\n        var missingFromA = [];\n        var missingFromB = [];\n        var matches = [];\n\n        a.forEach(function(current) {\n            var found = false;\n            var index = 0;\n\n            for (; index < b.length; index++) {\n                var next = b[index];\n\n                if (matchFunction(current, next)) {\n                    found = true;\n                    matches.push({\n                        a: current,\n                        b: next\n                    });\n                    break;\n                }\n            }\n\n            if (found) {\n                // This day has been processed so removed it from the list.\n                b.splice(index, 1);\n            } else {\n                // If we couldn't find it in the next messages then it means\n                // it needs to be added.\n                missingFromB.push(current);\n            }\n        });\n\n        missingFromA = b;\n\n        return {\n            missingFromA: missingFromA,\n            missingFromB: missingFromB,\n            matches: matches\n        };\n    };\n\n    /**\n     * Find an element in a array based on a matching function.\n     *\n     * @param  {array} array Array to search.\n     * @param  {Function} breakFunction Function to run on array item.\n     * @return {*} The array item.\n     */\n    var findPositionInArray = function(array, breakFunction) {\n        var before = null;\n\n        for (var i = 0; i < array.length; i++) {\n            var candidate = array[i];\n\n            if (breakFunction(candidate)) {\n                return candidate;\n            }\n        }\n\n        return before;\n    };\n\n    /**\n     * Check if 2 arrays are equal.\n     *\n     * @param  {Array} a The first array.\n     * @param  {Array} b The second array.\n     * @return {Boolean} Are arrays equal.\n     */\n    var isArrayEqual = function(a, b) {\n        // Make shallow copies so that we don't mess with the array sorting.\n        a = a.slice();\n        b = b.slice();\n        a.sort();\n        b.sort();\n        var aLength = a.length;\n        var bLength = b.length;\n\n        if (aLength < 1 && bLength < 1) {\n            return true;\n        }\n\n        if (aLength != bLength) {\n            return false;\n        }\n\n        return a.every(function(item, index) {\n            return item == b[index];\n        });\n    };\n\n    /**\n     * Do a shallow check to see if two objects appear to be equal. This should\n     * only be used for pretty basic objects.\n     *\n     * @param {Object} a First object to compare.\n     * @param {Object} b Second object to compare\n     * @return {Bool}\n     */\n    var isObjectEqual = function(a, b) {\n        var aKeys = Object.keys(a);\n        var bKeys = Object.keys(b);\n\n        if (aKeys.length != bKeys.length) {\n            return false;\n        }\n\n        return aKeys.every(function(key) {\n            var aVal = a[key];\n            var bVal = b[key];\n            var aType = typeof aVal;\n            var bType = typeof bVal;\n            aType = (aVal === null) ? 'null' : aType;\n            bType = (aVal === null) ? 'null' : bType;\n            aType = (aType === 'object' && Array.isArray(aType)) ? 'array' : aType;\n            bType = (bType === 'object' && Array.isArray(bType)) ? 'array' : bType;\n\n            if (aType !== bType) {\n                return false;\n            }\n\n            switch (aType) {\n                case 'object':\n                    return isObjectEqual(aVal, bVal);\n                case 'array':\n                    return isArrayEqual(aVal, bVal);\n                default:\n                    return a[key] == b[key];\n            }\n        });\n    };\n\n    /**\n     * Compare two messages to check if they are equal. This function only checks a subset\n     * of the message properties which we know will change rather than all properties.\n     *\n     * @param {Object} a The first message\n     * @param {Object} b The second message\n     * @return {Bool}\n     */\n    var isMessageEqual = function(a, b) {\n        return isObjectEqual(\n            {\n                id: a.id,\n                state: a.sendState,\n                text: a.text,\n                timeCreated: a.timeCreated\n            },\n            {\n                id: b.id,\n                state: b.sendState,\n                text: b.text,\n                timeCreated: b.timeCreated\n            }\n        );\n    };\n\n    /**\n     * Build a patch based on days.\n     *\n     * @param  {Object} current Current list current items.\n     * @param  {Array} remove List of days to remove.\n     * @param  {Array} add List of days to add.\n     * @return {Object} Patch with elements to add and remove.\n     */\n    var buildDaysPatch = function(current, remove, add) {\n        return {\n            remove: remove,\n            add: add.map(function(day) {\n                // Any days left over in the \"next\" list weren't in the \"current\" list\n                // so they will need to be added.\n                var before = findPositionInArray(current, function(candidate) {\n                    return day.timestamp < candidate.timestamp;\n                });\n\n                return {\n                    before: before,\n                    value: day\n                };\n            })\n        };\n    };\n\n    /**\n     * Build the messages patch for each day.\n     *\n     * @param {Array} matchingDays Array of old and new messages sorted by day.\n     * @return {Object} patch.\n     */\n    var buildMessagesPatch = function(matchingDays) {\n        var remove = [];\n        var add = [];\n        var update = [];\n\n        // Iterate over the list of days and determine which messages in those days\n        // have been changed.\n        matchingDays.forEach(function(days) {\n            var dayCurrent = days.a;\n            var dayNext = days.b;\n            // Find out which messages have changed in this day. This will return a list of messages\n            // from the current state that couldn't be found in the next state and a list of messages in\n            // the next state which couldn't be count in the current state.\n            var messagesDiff = diffArrays(dayCurrent.messages, dayNext.messages, isMessageEqual);\n            // Take the two arrays (list of messages changed from dayNext and list of messages changed\n            // from dayCurrent) any work out which messages have been added/removed from the list and\n            // which messages were just updated.\n            var patch = diffArrays(\n                // The messages from dayCurrent.message that weren't in dayNext.messages.\n                messagesDiff.missingFromB,\n                // The messages from dayNext.message that weren't in dayCurrent.messages.\n                messagesDiff.missingFromA,\n                function(a, b) {\n                    // This function is going to determine if the messages were\n                    // added/removed from either list or if they were simply an updated.\n                    //\n                    // If the IDs match or it was a state change (i.e. message with a temp\n                    // ID goes from pending to sent and receives an actual id) then they are\n                    // the same message which should be an update not an add/remove.\n                    return a.id == b.id || (a.sendState != b.sendState && a.timeAdded == b.timeAdded);\n                }\n            );\n\n            // Any messages from the current state for this day which aren't in the next state\n            // for this day (i.e. the user deleted the message) means we need to remove them from\n            // the UI.\n            remove = remove.concat(patch.missingFromB);\n\n            // Any messages not in the current state for this day which are in the next state\n            // for this day (i.e. it's a new message) means we need to add it to the UI so work\n            // out where in the list of messages it should appear (it could be a new message the\n            // user has sent or older messages loaded as part of the conversation scroll back).\n            patch.missingFromA.forEach(function(message) {\n                // By default a null value for before will render the message at the bottom of\n                // the message UI (i.e. it's the newest message).\n                var before = null;\n\n                if (message.timeCreated) {\n                    // If this message has a time created then find where it sits in the list of\n                    // message to insert it into the correct position.\n                    before = findPositionInArray(dayCurrent.messages, function(candidate) {\n                        if (message.timeCreated == candidate.timeCreated) {\n                            return message.id < candidate.id;\n                        } else {\n                            return message.timeCreated < candidate.timeCreated;\n                        }\n                    });\n                }\n\n                add.push({\n                    before: before,\n                    value: message,\n                    day: dayCurrent\n                });\n            });\n\n            // Any message that appears in both the current state for this day and the next state\n            // for this day means something in the message was updated.\n            update = update.concat(patch.matches.map(function(message) {\n                return {\n                    before: message.a,\n                    after: message.b\n                };\n            }));\n        });\n\n        return {\n            add: add,\n            remove: remove,\n            update: update\n        };\n    };\n\n    /**\n     * Build a patch for this conversation.\n     *\n     * @param  {Object} state, The current state of this conversation.\n     * @param  {Object} newState, The new state of this conversation.\n     * @return {Object} Patch with days and messsages for each day.\n     */\n    var buildConversationPatch = function(state, newState) {\n        var diff = diffArrays(state.messages, newState.messages, isMessageEqual);\n\n        if (diff.missingFromA.length || diff.missingFromB.length) {\n            // Some messages have changed so let's work out which ones by sorting\n            // them into their respective days.\n            var current = sortMessagesByDay(state.messages, state.midnight);\n            var next = sortMessagesByDay(newState.messages, newState.midnight);\n            // This diffs the arrays to work out if there are any missing days that need\n            // to be added (i.e. we've got some new messages on a new day) or if there\n            // are any days that need to be deleted (i.e. the user has deleted some old messages).\n            var daysDiff = diffArrays(current, next, function(dayCurrent, dayNext) {\n                return dayCurrent.timestamp == dayNext.timestamp;\n            });\n\n            return {\n                // Handle adding or removing whole days.\n                days: buildDaysPatch(current, daysDiff.missingFromB, daysDiff.missingFromA),\n                // Handle updating messages that don't require adding/removing a whole day.\n                messages: buildMessagesPatch(daysDiff.matches)\n            };\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypePrivate = function(state, newState) {\n        var requireAddContact = buildRequireAddContact(state, newState);\n        var confirmContactRequest = buildConfirmContactRequest(state, newState);\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var requiresAddContact = requireAddContact && requireAddContact.show && !requireAddContact.hasMessages;\n        var requiredAddContact = requireAddContact && !requireAddContact.show;\n        // Render the header once we've got a user.\n        var shouldRenderHeader = !oldOtherUser && newOtherUser;\n        // We should also re-render the header if the other user requires\n        // being added as a contact or if they did but no longer do.\n        shouldRenderHeader = shouldRenderHeader || requiresAddContact || requiredAddContact;\n        // Finally, we should re-render if the other user has sent this user\n        // a contact request that is waiting for approval or if it's been approved/declined.\n        shouldRenderHeader = shouldRenderHeader || confirmContactRequest !== null;\n\n        if (shouldRenderHeader) {\n            return {\n                type: Constants.CONVERSATION_TYPES.PRIVATE,\n                // We can show controls if the other user doesn't require add contact\n                // and we aren't waiting for this user to respond to a contact request.\n                showControls: !requiresAddContact && !confirmContactRequest,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    totalmembercount: newState.totalMemberCount,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    ismuted: newState.isMuted,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null,\n                    userid: newOtherUser.id,\n                    showonlinestatus: newOtherUser.showonlinestatus,\n                    isonline: newOtherUser.isonline,\n                    isblocked: newOtherUser.isblocked,\n                    iscontact: newOtherUser.iscontact\n                }\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypeSelf = function(state, newState) {\n        var shouldRenderHeader = (state.name === null && newState.name !== null);\n\n        if (shouldRenderHeader) {\n            return {\n                type: Constants.CONVERSATION_TYPES.SELF,\n                // Don't display the controls for the self-conversations.\n                showControls: false,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null,\n                    showonlinestatus: true,\n                }\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Build a patch for the header of this conversation. Check if this conversation\n     * is a group conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildHeaderPatchTypePublic = function(state, newState) {\n        var oldMemberCount = state.totalMemberCount;\n        var newMemberCount = newState.totalMemberCount;\n\n        if (oldMemberCount != newMemberCount) {\n            return {\n                type: Constants.CONVERSATION_TYPES.PUBLIC,\n                showControls: true,\n                context: {\n                    id: newState.id,\n                    name: newState.name,\n                    subname: newState.subname,\n                    totalmembercount: newState.totalMemberCount,\n                    imageurl: newState.imageUrl,\n                    isfavourite: newState.isFavourite,\n                    ismuted: newState.isMuted,\n                    // Don't show favouriting if we don't have a conversation.\n                    showfavourite: newState.id !== null\n                }\n            };\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Find the newest or oldest message.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Number} Oldest or newest message id.\n     */\n    var buildScrollToMessagePatch = function(state, newState) {\n        var oldMessages = state.messages;\n        var newMessages = newState.messages;\n\n        if (newMessages.length < 1) {\n            return null;\n        }\n\n        if (oldMessages.length < 1) {\n            return newMessages[newMessages.length - 1].id;\n        }\n\n        var previousNewest = oldMessages[state.messages.length - 1];\n        var currentNewest = newMessages[newMessages.length - 1];\n        var previousOldest = oldMessages[0];\n        var currentOldest = newMessages[0];\n\n        if (previousNewest.id != currentNewest.id) {\n            return currentNewest.id;\n        } else if (previousOldest.id != currentOldest.id) {\n            return previousOldest.id;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if members should be loaded.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingMembersPatch = function(state, newState) {\n        if (!state.loadingMembers && newState.loadingMembers) {\n            return true;\n        } else if (state.loadingMembers && !newState.loadingMembers) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if the messages are being loaded for the first time.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingFirstMessages = function(state, newState) {\n        if (state.hasTriedToLoadMessages === newState.hasTriedToLoadMessages) {\n            return null;\n        } else if (!newState.hasTriedToLoadMessages && newState.loadingMessages) {\n            return true;\n        } else if (newState.hasTriedToLoadMessages && !newState.loadingMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if the messages are still being loaded\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingMessages = function(state, newState) {\n        if (!state.loadingMessages && newState.loadingMessages) {\n            return true;\n        } else if (state.loadingMessages && !newState.loadingMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Determine if we should show the emoji picker.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildShowEmojiPicker = function(state, newState) {\n        if (!state.showEmojiPicker && newState.showEmojiPicker) {\n            return true;\n        } else if (state.showEmojiPicker && !newState.showEmojiPicker) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Determine if we should show the emoji auto complete.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildShowEmojiAutoComplete = function(state, newState) {\n        if (!state.showEmojiAutoComplete && newState.showEmojiAutoComplete) {\n            return true;\n        } else if (state.showEmojiAutoComplete && !newState.showEmojiAutoComplete) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Get the user Object of user to be blocked if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmBlockUser = function(state, newState) {\n        if (newState.pendingBlockUserIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingBlockUserIds[0];\n            return newState.members[userId];\n        } else if (state.pendingBlockUserIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be unblocked if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmUnblockUser = function(state, newState) {\n        if (newState.pendingUnblockUserIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingUnblockUserIds[0];\n            return newState.members[userId];\n        } else if (state.pendingUnblockUserIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be added as contact if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmAddContact = function(state, newState) {\n        if (newState.pendingAddContactIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingAddContactIds[0];\n            return newState.members[userId];\n        } else if (state.pendingAddContactIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Get the user Object of user to be removed as contact if pending.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Bool|Null} User Object if Object.\n     */\n    var buildConfirmRemoveContact = function(state, newState) {\n        if (newState.pendingRemoveContactIds.length) {\n            // We currently only support a single user;\n            var userId = newState.pendingRemoveContactIds[0];\n            return newState.members[userId];\n        } else if (state.pendingRemoveContactIds.length) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there are any messages to be deleted.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object|Null} The conversation type and if the user can delete  the messages for all users.\n     */\n    var buildConfirmDeleteSelectedMessages = function(state, newState) {\n        var oldPendingCount = state.pendingDeleteMessageIds.length;\n        var newPendingCount = newState.pendingDeleteMessageIds.length;\n\n        if (newPendingCount && !oldPendingCount) {\n            return {\n                show: true,\n                type: newState.type,\n                canDeleteMessagesForAllUsers: newState.canDeleteMessagesForAllUsers\n            };\n        } else if (oldPendingCount && !newPendingCount) {\n            return {\n                show: false\n            };\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there is a conversation to be deleted.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {int|Null} The conversation type to be deleted.\n     */\n    var buildConfirmDeleteConversation = function(state, newState) {\n        if (!state.pendingDeleteConversation && newState.pendingDeleteConversation) {\n            return newState.type;\n        } else if (state.pendingDeleteConversation && !newState.pendingDeleteConversation) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if there is a pending contact request to accept or decline.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildConfirmContactRequest = function(state, newState) {\n        var loggedInUserId = state.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldReceivedRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId && request.userid == oldOtherUser.id;\n        });\n        var newReceivedRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return request.requesteduserid == loggedInUserId && request.userid == newOtherUser.id;\n        });\n        var oldRequest = oldReceivedRequests.length ? oldReceivedRequests[0] : null;\n        var newRequest = newReceivedRequests.length ? newReceivedRequests[0] : null;\n\n        if (!oldRequest && newRequest) {\n            return newOtherUser;\n        } else if (oldRequest && !newRequest) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes in blocked users.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsBlocked = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.isblocked ? true : null;\n        } else if (!newOtherUser && oldOtherUser) {\n            return oldOtherUser.isblocked ? false : null;\n        } else if (oldOtherUser.isblocked && !newOtherUser.isblocked) {\n            return false;\n        } else if (!oldOtherUser.isblocked && newOtherUser.isblocked) {\n            return true;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes the conversation favourite state.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsFavourite = function(state, newState) {\n        var oldIsFavourite = state.isFavourite;\n        var newIsFavourite = newState.isFavourite;\n\n        if (state.id === null && newState.id === null) {\n            // The conversation isn't yet created so don't change anything.\n            return null;\n        } else if (state.id === null && newState.id !== null) {\n            // The conversation was created so we can show the add favourite button.\n            return 'show-add';\n        } else if (state.id !== null && newState.id === null) {\n            // We're changing from a created conversation to a new conversation so hide\n            // the favouriting functionality for now.\n            return 'hide';\n        } else if (oldIsFavourite == newIsFavourite) {\n            // No change.\n            return null;\n        } else if (!oldIsFavourite && newIsFavourite) {\n            return 'show-remove';\n        } else if (oldIsFavourite && !newIsFavourite) {\n            return 'show-add';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes the conversation muted state.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {string|null}\n     */\n    var buildIsMuted = function(state, newState) {\n        var oldIsMuted = state.isMuted;\n        var newIsMuted = newState.isMuted;\n\n        if (state.id === null && newState.id === null) {\n            // The conversation isn't yet created so don't change anything.\n            return null;\n        } else if (state.id === null && newState.id !== null) {\n            // The conversation was created so we can show the mute button.\n            return 'show-mute';\n        } else if (state.id !== null && newState.id === null) {\n            // We're changing from a created conversation to a new conversation so hide\n            // the muting functionality for now.\n            return 'hide';\n        } else if (oldIsMuted == newIsMuted) {\n            // No change.\n            return null;\n        } else if (!oldIsMuted && newIsMuted) {\n            return 'show-unmute';\n        } else if (oldIsMuted && !newIsMuted) {\n            return 'show-mute';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if there are any changes in the contact status of the current user\n     * and other user.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildIsContact = function(state, newState) {\n        var loggedInUserId = state.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldContactRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return (request.userid == loggedInUserId && request.requesteduserid == oldOtherUser.id) ||\n                (request.userid == oldOtherUser.id && request.requesteduserid == loggedInUserId);\n        });\n        var newContactRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return (request.userid == loggedInUserId && request.requesteduserid == newOtherUser.id) ||\n                (request.userid == newOtherUser.id && request.requesteduserid == loggedInUserId);\n        });\n        var oldHasContactRequests = oldContactRequests.length > 0;\n        var newHasContactRequests = newContactRequests.length > 0;\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldHasContactRequests && newHasContactRequests) {\n            return null;\n        } else if (!oldHasContactRequests && newHasContactRequests && !newOtherUser.iscontact) {\n            return 'pending-contact';\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.iscontact ? 'contact' : null;\n        } else if (!newOtherUser && oldOtherUser) {\n            return oldOtherUser.iscontact ? 'non-contact' : null;\n        } else if (oldOtherUser.iscontact && !newOtherUser.iscontact) {\n            return newHasContactRequests ? 'pending-contact' : 'non-contact';\n        } else if (!oldOtherUser.iscontact && newOtherUser.iscontact) {\n            return 'contact';\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if a confirm action is active.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildLoadingConfirmationAction = function(state, newState) {\n        if (!state.loadingConfirmAction && newState.loadingConfirmAction) {\n            return true;\n        } else if (state.loadingConfirmAction && !newState.loadingConfirmAction) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Check if a edit mode is active.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildInEditMode = function(state, newState) {\n        var oldHasSelectedMessages = state.selectedMessageIds.length > 0;\n        var newHasSelectedMessages = newState.selectedMessageIds.length > 0;\n        var numberOfMessagesHasChanged = state.messages.length != newState.messages.length;\n\n        if (!oldHasSelectedMessages && newHasSelectedMessages) {\n            return true;\n        } else if (oldHasSelectedMessages && !newHasSelectedMessages) {\n            return false;\n        } else if (oldHasSelectedMessages && numberOfMessagesHasChanged) {\n            return true;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build a patch for the messages selected.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} patch\n     */\n    var buildSelectedMessages = function(state, newState) {\n        var oldSelectedMessages = state.selectedMessageIds;\n        var newSelectedMessages = newState.selectedMessageIds;\n\n        if (isArrayEqual(oldSelectedMessages, newSelectedMessages)) {\n            return null;\n        }\n\n        var diff = diffArrays(oldSelectedMessages, newSelectedMessages, function(a, b) {\n            return a == b;\n        });\n\n        return {\n            count: newSelectedMessages.length,\n            add: diff.missingFromA,\n            remove: diff.missingFromB\n        };\n    };\n\n    /**\n     * Get a list of users from the state that are not the logged in user. Use to find group\n     * message members or the other user in a conversation.\n     *\n     * @param  {Object} state State\n     * @return {Array} List of users.\n     */\n    var getOtherUserFromState = function(state) {\n        return Object.keys(state.members).reduce(function(carry, userId) {\n            if (userId != state.loggedInUserId && !carry) {\n                carry = state.members[userId];\n            }\n\n            return carry;\n        }, null);\n    };\n\n    /**\n     * Check if the given user requires a contact request from the logged in user.\n     *\n     * @param  {Integer} loggedInUserId The logged in user id\n     * @param  {Object} user User record\n     * @return {Bool}\n     */\n    var requiresContactRequest = function(loggedInUserId, user) {\n        // If a user can message then no contact request is required.\n        if (user.canmessage) {\n            return false;\n        }\n\n        var contactRequests = user.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId || request.requesteduserid;\n        });\n        var hasSentContactRequest = contactRequests.length > 0;\n        return user.requirescontact && !user.iscontact && !hasSentContactRequest;\n    };\n\n    /**\n     * Check if other users are required to be added as contact.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} Object controlling the required to add contact dialog variables.\n     */\n    var buildRequireAddContact = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var hadMessages = state.messages.length > 0;\n        var hasMessages = newState.messages.length > 0;\n        var loggedInUserId = newState.loggedInUserId;\n        var prevRequiresContactRequest = oldOtherUser && requiresContactRequest(loggedInUserId, oldOtherUser);\n        var nextRequiresContactRequest = newOtherUser && requiresContactRequest(loggedInUserId, newOtherUser);\n        var confirmAddContact = buildConfirmAddContact(state, newState);\n        var finishedAddContact = confirmAddContact === false;\n\n        // Still doing first load.\n        if (!state.hasTriedToLoadMessages && !newState.hasTriedToLoadMessages) {\n            return null;\n        }\n\n        // No users yet.\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        }\n\n        // We've loaded a new user and they require a contact request.\n        if (!oldOtherUser && nextRequiresContactRequest) {\n            return {\n                show: true,\n                hasMessages: hasMessages,\n                user: newOtherUser\n            };\n        }\n\n        // The logged in user has completed the confirm contact request dialogue\n        // but the other user still requires a contact request which means the logged\n        // in user either declined the confirmation or it failed.\n        if (finishedAddContact && nextRequiresContactRequest) {\n            return {\n                show: true,\n                hasMessages: hasMessages,\n                user: newOtherUser\n            };\n        }\n\n        // Everything is loaded.\n        if (state.hasTriedToLoadMessages && newState.hasTriedToLoadMessages) {\n            if (!prevRequiresContactRequest && nextRequiresContactRequest) {\n                return {\n                    show: true,\n                    hasMessages: hasMessages,\n                    user: newOtherUser\n                };\n            }\n\n            if (prevRequiresContactRequest && !nextRequiresContactRequest) {\n                return {\n                    show: false,\n                    hasMessages: hasMessages\n                };\n            }\n        }\n\n        // First load just completed.\n        if (!state.hasTriedToLoadMessages && newState.hasTriedToLoadMessages) {\n            if (nextRequiresContactRequest) {\n                return {\n                    show: true,\n                    hasMessages: hasMessages,\n                    user: newOtherUser\n                };\n            }\n        }\n\n        // Being reset.\n        if (state.hasTriedToLoadMessages && !newState.hasTriedToLoadMessages) {\n            if (prevRequiresContactRequest) {\n                return {\n                    show: false,\n                    hasMessages: hadMessages\n                };\n            }\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if other users are required to be unblocked.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildRequireUnblock = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldOtherUser && !newOtherUser) {\n            return oldOtherUser.isblocked ? false : null;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.isblocked ? true : null;\n        } else if (!oldOtherUser.isblocked && newOtherUser.isblocked) {\n            return true;\n        } else if (oldOtherUser.isblocked && !newOtherUser.isblocked) {\n            return false;\n        }\n\n        return null;\n    };\n\n    /**\n     * Check if other users can be messaged.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Bool|Null}\n     */\n    var buildUnableToMessage = function(state, newState) {\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n\n        if (newState.type == Constants.CONVERSATION_TYPES.SELF) {\n            // Users always can send message themselves on self-conversations.\n            return null;\n        }\n\n        if (!oldOtherUser && !newOtherUser) {\n            return null;\n        } else if (oldOtherUser && !newOtherUser) {\n            return oldOtherUser.canmessage ? null : true;\n        } else if (!oldOtherUser && newOtherUser) {\n            return newOtherUser.canmessage ? null : true;\n        } else if (!oldOtherUser.canmessage && newOtherUser.canmessage) {\n            return false;\n        } else if (oldOtherUser.canmessage && !newOtherUser.canmessage) {\n            return true;\n        }\n\n        return null;\n    };\n\n    /**\n     * Build patch for footer information for a private conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} containing footer state type.\n     */\n    var buildFooterPatchTypePrivate = function(state, newState) {\n        var loadingFirstMessages = buildLoadingFirstMessages(state, newState);\n        var inEditMode = buildInEditMode(state, newState);\n        var requireAddContact = buildRequireAddContact(state, newState);\n        var requireUnblock = buildRequireUnblock(state, newState);\n        var unableToMessage = buildUnableToMessage(state, newState);\n        var showRequireAddContact = requireAddContact !== null ? requireAddContact.show && requireAddContact.hasMessages : null;\n        var otherUser = getOtherUserFromState(newState);\n        var generateReturnValue = function(checkValue, successReturn) {\n            if (checkValue) {\n                return successReturn;\n            } else if (checkValue !== null && !checkValue) {\n                if (!otherUser) {\n                    return {type: 'content'};\n                } else if (otherUser.isblocked) {\n                    return {type: 'unblock'};\n                } else if (newState.messages.length && requiresContactRequest(newState.loggedInUserId, otherUser)) {\n                    return {\n                        type: 'add-contact',\n                        user: otherUser\n                    };\n                } else if (!otherUser.canmessage && (otherUser.requirescontact && !otherUser.iscontact)) {\n                    return {type: 'unable-to-message'};\n                }\n            }\n\n            return null;\n        };\n\n        if (\n            loadingFirstMessages === null &&\n            inEditMode === null &&\n            requireAddContact === null &&\n            requireUnblock === null\n        ) {\n            return null;\n        }\n\n        var checks = [\n            [loadingFirstMessages, {type: 'placeholder'}],\n            [inEditMode, {type: 'edit-mode'}],\n            [unableToMessage, {type: 'unable-to-message'}],\n            [requireUnblock, {type: 'unblock'}],\n            [showRequireAddContact, {type: 'add-contact', user: otherUser}]\n        ];\n\n        for (var i = 0; i < checks.length; i++) {\n            var checkValue = checks[i][0];\n            var successReturn = checks[i][1];\n            var result = generateReturnValue(checkValue, successReturn);\n\n            if (result !== null) {\n                return result;\n            }\n        }\n\n        return {\n            type: 'content'\n        };\n    };\n\n    /**\n     * Build patch for footer information for a public conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} containing footer state type.\n     */\n    var buildFooterPatchTypePublic = function(state, newState) {\n        var loadingFirstMessages = buildLoadingFirstMessages(state, newState);\n        var inEditMode = buildInEditMode(state, newState);\n\n        if (loadingFirstMessages === null && inEditMode === null) {\n            return null;\n        }\n\n        if (loadingFirstMessages) {\n            return {type: 'placeholder'};\n        }\n\n        if (inEditMode) {\n            return {type: 'edit-mode'};\n        }\n\n        return {\n            type: 'content'\n        };\n    };\n\n    /**\n     * Check if we're viewing a different conversation. If so then we need to\n     * reset the UI.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {bool|null} If a reset needs to occur\n     */\n    var buildReset = function(state, newState) {\n        var oldType = state.type;\n        var newType = newState.type;\n        var oldConversationId = state.id;\n        var newConversationId = newState.id;\n        var oldMemberIds = Object.keys(state.members);\n        var newMemberIds = Object.keys(newState.members);\n\n        oldMemberIds.sort();\n        newMemberIds.sort();\n\n        var membersUnchanged = oldMemberIds.every(function(id, index) {\n            return id == newMemberIds[index];\n        });\n\n        if (oldType != newType) {\n            // If we've changed conversation type then we need to reset.\n            return true;\n        } else if (oldConversationId && !newConversationId) {\n            // We previously had a conversation id but no longer do. This likely means\n            // the user is viewing the conversation with someone they've never spoken to\n            // before.\n            return true;\n        } else if (oldConversationId && newConversationId && oldConversationId != newConversationId) {\n            // If we had a conversation id and it's changed then we need to reset.\n            return true;\n        } else if (!oldConversationId && !newConversationId && !membersUnchanged) {\n            // If we never had a conversation id but the members of the conversation have\n            // changed then we need to reset. This can happen if the user goes from viewing\n            // a user they've never had a conversation with to viewing a different user that\n            // they've never had a conversation with.\n            return true;\n        }\n\n        return null;\n    };\n\n    /**\n     * We should show this message always, for all the self-conversations.\n     *\n     * The message should be hidden when it's not a self-conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {bool}\n     */\n    var buildSelfConversationMessage = function(state, newState) {\n        if (state.type != newState.type) {\n            return (newState.type == Constants.CONVERSATION_TYPES.SELF);\n        }\n\n        return null;\n    };\n\n    /**\n     * We should show the contact request sent message if the user just sent\n     * a contact request to the other user and there are no messages in the\n     * conversation.\n     *\n     * The messages should be hidden when there are messages in the conversation.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {string|false|null}\n     */\n    var buildContactRequestSent = function(state, newState) {\n        var loggedInUserId = newState.loggedInUserId;\n        var oldOtherUser = getOtherUserFromState(state);\n        var newOtherUser = getOtherUserFromState(newState);\n        var oldSentRequests = !oldOtherUser ? [] : oldOtherUser.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId;\n        });\n        var newSentRequests = !newOtherUser ? [] : newOtherUser.contactrequests.filter(function(request) {\n            return request.userid == loggedInUserId;\n        });\n        var oldRequest = oldSentRequests.length > 0;\n        var newRequest = newSentRequests.length > 0;\n        var hadMessages = state.messages.length > 0;\n        var hasMessages = state.messages.length > 0;\n\n        if (!oldRequest && newRequest && !newOtherUser.iscontact && !hasMessages) {\n            return newOtherUser.fullname;\n        } else if (oldOtherUser && !oldOtherUser.iscontact && newRequest && newOtherUser.iscontact) {\n            // Contact request accepted.\n            return false;\n        } else if (oldRequest && !newRequest) {\n            return false;\n        } else if (!hadMessages && hasMessages) {\n            return false;\n        } else {\n            return null;\n        }\n    };\n\n    /**\n     * Build the full patch comparing the current state and the new state. This patch is used by\n     * the conversation renderer to render the UI on any update.\n     *\n     * @param  {Object} state The current state.\n     * @param  {Object} newState The new state.\n     * @return {Object} Patch containing all information changed.\n     */\n    var buildPatch = function(state, newState) {\n        var config = {\n            all: {\n                reset: buildReset,\n                conversation: buildConversationPatch,\n                scrollToMessage: buildScrollToMessagePatch,\n                loadingMembers: buildLoadingMembersPatch,\n                loadingFirstMessages: buildLoadingFirstMessages,\n                loadingMessages: buildLoadingMessages,\n                confirmDeleteSelectedMessages: buildConfirmDeleteSelectedMessages,\n                inEditMode: buildInEditMode,\n                selectedMessages: buildSelectedMessages,\n                isFavourite: buildIsFavourite,\n                isMuted: buildIsMuted,\n                showEmojiPicker: buildShowEmojiPicker,\n                showEmojiAutoComplete: buildShowEmojiAutoComplete\n            }\n        };\n        // These build functions are only applicable to private conversations.\n        config[Constants.CONVERSATION_TYPES.PRIVATE] = {\n            header: buildHeaderPatchTypePrivate,\n            footer: buildFooterPatchTypePrivate,\n            confirmBlockUser: buildConfirmBlockUser,\n            confirmUnblockUser: buildConfirmUnblockUser,\n            confirmAddContact: buildConfirmAddContact,\n            confirmRemoveContact: buildConfirmRemoveContact,\n            confirmContactRequest: buildConfirmContactRequest,\n            confirmDeleteConversation: buildConfirmDeleteConversation,\n            isBlocked: buildIsBlocked,\n            isContact: buildIsContact,\n            loadingConfirmAction: buildLoadingConfirmationAction,\n            requireAddContact: buildRequireAddContact,\n            contactRequestSent: buildContactRequestSent\n        };\n        // These build functions are only applicable to public (group) conversations.\n        config[Constants.CONVERSATION_TYPES.PUBLIC] = {\n            header: buildHeaderPatchTypePublic,\n            footer: buildFooterPatchTypePublic,\n        };\n        // These build functions are only applicable to self-conversations.\n        config[Constants.CONVERSATION_TYPES.SELF] = {\n            header: buildHeaderPatchTypeSelf,\n            footer: buildFooterPatchTypePublic,\n            confirmDeleteConversation: buildConfirmDeleteConversation,\n            selfConversationMessage: buildSelfConversationMessage\n        };\n\n        var patchConfig = $.extend({}, config.all);\n        if (newState.type && newState.type in config) {\n            // Add the type specific builders to the patch config.\n            patchConfig = $.extend(patchConfig, config[newState.type]);\n        }\n\n        return Object.keys(patchConfig).reduce(function(patch, key) {\n            var buildFunc = patchConfig[key];\n            var value = buildFunc(state, newState);\n\n            if (value !== null) {\n                patch[key] = value;\n            }\n\n            return patch;\n        }, {});\n    };\n\n    return {\n        buildPatch: buildPatch\n    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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation_renderer.min.js b/message/amd/build/message_drawer_view_conversation_renderer.min.js
index 6d35caebdfb..d6ce295aa75 100644
--- a/message/amd/build/message_drawer_view_conversation_renderer.min.js
+++ b/message/amd/build/message_drawer_view_conversation_renderer.min.js
@@ -1,2 +1,16 @@
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border-danger");break;case"sent":j.removeClass("hidden");j.attr("aria-hidden","false");break;}}if(c.text!=d.text){f.find(g.TEXT_CONTAINER).html(d.text)}if(c.errorMessage!=d.errorMessage){var l=f.find(g.ERROR_MESSAGE_CONTAINER),a=l.find(g.ERROR_MESSAGE);if(d.errorMessage){l.removeClass("hidden");l.attr("aria-hidden","false");a.text(d.errorMessage)}else{l.addClass("hidden");l.attr("aria-hidden","true");a.text("")}}})},ja=function(a,b){b.forEach(function(b){Z(a,b.timestamp).remove()})},ka=function(a,b){b.forEach(function(b){Y(a,b.id).remove()})},la=function(b,d,f,g){var h=[],i=0<g.days.add.length,j=0<g.messages.add.length,k=0<g.messages.update.length,l=[],m=a.Deferred().resolve({}).promise();if(i){l=l.concat(g.days.add.reduce(function(a,b){return a.concat(b.value.messages.reduce(function(a,b){if(b.timeCreated){a.push(b.timeCreated)}return a},[]))},[]))}if(j){l=l.concat(g.messages.add.reduce(function(a,b){if(b.value.timeCreated){a.push(b.value.timeCreated)}return 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d.render(g,e.context).then(function(a,b){d.replaceNodeContents(f,a,b)})},na=function(a,b,d,e){J(d);switch(e.type){case"placeholder":return x(d);case"add-contact":return c.get_strings([{key:"requirecontacttomessage",component:"core_message",param:e.user.fullname},{key:"isnotinyourcontacts",component:"core_message",param:e.user.fullname}]).then(function(a){var b=a[1],c=a[0],e=z(d);e.find(g.TITLE).text(b);e.find(g.TEXT).text(c);A(d);return a});case"edit-mode":return u(d);case"content":return r(d);case"unblock":return D(d);case"unable-to-message":return G(d);}return!0},oa=function(a,b,c,d){var e=j(b),f=Y(b,d),g=f.position();if(g){var h=e.scrollTop()+g.top;e.scrollTop(h)}},pa=function(a,b,c,d){if(d){P(a);U(a)}else{O(a);V(a)}},qa=function(a,b,c,d){if(d){l(b);L(b)}else{k(b);M(b)}},ra=function(a,b,c,d){if(d){_(b)}else{aa(b)}},sa=function(a,b,c,d){var e=W(c);if(d){e.removeClass("hidden");e.attr("aria-hidden",!1);e.find(g.EMOJI_PICKER_SEARCH_INPUT).focus()}else{e.addClass("hidden");e.attr("aria-hidden",!0)}},ta=function(a,b,c,d){var e=X(c);if(d){e.removeClass("hidden");e.attr("aria-hidden",!1)}else{e.addClass("hidden");e.attr("aria-hidden",!0)}},ua=function(b,c,d,e,f,h,i,j,k){var l=ba(c),m=e.map(function(a){return l.find(a)}),n=l.find(g.CONFIRM_DIALOGUE_CANCEL_BUTTON),o=l.find(g.CONFIRM_DIALOGUE_OKAY_BUTTON),p=l.find(g.CONFIRM_DIALOGUE_TEXT),q=l.find(g.CONFIRM_DIALOGUE_HEADER);l.find("button").addClass("hidden");if(i){n.removeClass("hidden")}else{n.addClass("hidden")}if(k){o.removeClass("hidden")}else{o.addClass("hidden")}if(h){q=a("<h3 class=\"h6\" data-region=\"dialogue-header\"></h3>");q.text(h);var r=l.find(g.CONFIRM_DIALOGUE);r.prepend(q)}else if(q.length){q.remove()}m.forEach(function(a){a.removeClass("hidden")});p.text(f);ca(d);ca(c);if(!j){ca(b)}l.find(g.CAN_RECEIVE_FOCUS).filter(":visible").first().focus()},va=function(a,b,c){var d=ba(b),e=d.find(g.CONFIRM_DIALOGUE_CANCEL_BUTTON),f=d.find(g.CONFIRM_DIALOGUE_OKAY_BUTTON),h=d.find(g.CONFIRM_DIALOGUE_TEXT),i=d.find(g.CONFIRM_DIALOGUE_HEADER);Ea(b);da(b);da(c);da(a);d.find("button").addClass("hidden");e.removeClass("hidden");f.removeClass("hidden");h.text("");if(i.length){i.remove()}a.find(g.CAN_RECEIVE_FOCUS).first().focus();return!0},wa=function(a,b,d,e){if(e){if(e.canmessageevenifblocked){return c.get_string("cantblockuser","core_message",e.fullname).then(function(c){return ua(a,b,d,[],c,"",!1,!1,!0)})}else{return c.get_string("blockuserconfirm","core_message",e.fullname).then(function(c){return ua(a,b,d,[g.ACTION_CONFIRM_BLOCK],c,"",!0,!1)})}}else{return va(a,b,d)}},xa=function(a,b,d,e){if(e){return c.get_string("unblockuserconfirm","core_message",e.fullname).then(function(c){return ua(a,b,d,[g.ACTION_CONFIRM_UNBLOCK],c,"",!0,!1)})}else{return va(a,b,d)}},ya=function(a,b,d,e){if(e){return c.get_string("addcontactconfirm","core_message",e.fullname).then(function(c){return ua(a,b,d,[g.ACTION_CONFIRM_ADD_CONTACT],c,"",!0,!1)})}else{return va(a,b,d)}},za=function(a,b,d,e){if(e){return c.get_string("removecontactconfirm","core_message",e.fullname).then(function(c){return ua(a,b,d,[g.ACTION_CONFIRM_REMOVE_CONTACT],c,"",!0,!1)})}else{return va(a,b,d)}},Aa=function(a,b,d,e){var f=null;if(e.type==i.SELF){f="deleteselectedmessagesconfirmselfconversation"}else{if(e.canDeleteMessagesForAllUsers){Da(b);f="deleteforeveryoneselectedmessagesconfirm"}else{f="deleteselectedmessagesconfirm"}}if(e.show){return c.get_string(f,"core_message").then(function(c){return ua(a,b,d,[g.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES],c,"",!0,!1)})}else{return va(a,b,d)}},Ba=function(a,b,d,e){var f=null;if(e==i.SELF){f="deleteallselfconfirm"}else if(e){f="deleteallconfirm"}if(f){return c.get_string(f,"core_message").then(function(c){return ua(a,b,d,[g.ACTION_CONFIRM_DELETE_CONVERSATION],c,"",!0,!1)})}else{return va(a,b,d)}},Ca=function(a,b,d,e){if(e){return c.get_string("userwouldliketocontactyou","core_message",e.fullname).then(function(c){var e=[g.ACTION_ACCEPT_CONTACT_REQUEST,g.ACTION_DECLINE_CONTACT_REQUEST];return ua(a,b,d,e,c,"",!1,!0)})}else{return va(a,b,d)}},Da=function(a){var b=ba(a),c=b.find(g.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER);c.removeClass("hidden")},Ea=function(a){var b=ba(a),c=b.find(g.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER),d=b.find(g.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE);d.prop("checked",!1);c.addClass("hidden")},Fa=function(a,b,c,d){if(d){a.find(g.ACTION_REQUEST_BLOCK).addClass("hidden");a.find(g.ACTION_REQUEST_UNBLOCK).removeClass("hidden")}else{a.find(g.ACTION_REQUEST_BLOCK).removeClass("hidden");a.find(g.ACTION_REQUEST_UNBLOCK).addClass("hidden")}},Ga=function(a,b,c,d){var e=a.find(g.FAVOURITE_ICON_CONTAINER),f=a.find(g.ACTION_CONFIRM_FAVOURITE),h=a.find(g.ACTION_CONFIRM_UNFAVOURITE);switch(d){case"hide":e.addClass("hidden");f.addClass("hidden");h.addClass("hidden");break;case"show-add":e.addClass("hidden");f.removeClass("hidden");h.addClass("hidden");break;case"show-remove":e.removeClass("hidden");f.addClass("hidden");h.removeClass("hidden");break;}},Ha=function(a,b,c,d){var e=a.find(g.MUTED_ICON_CONTAINER),f=a.find(g.ACTION_CONFIRM_MUTE),h=a.find(g.ACTION_CONFIRM_UNMUTE);switch(d){case"hide":e.addClass("hidden");f.addClass("hidden");h.addClass("hidden");break;case"show-mute":e.addClass("hidden");f.removeClass("hidden");h.addClass("hidden");break;case"show-unmute":e.removeClass("hidden");f.addClass("hidden");h.removeClass("hidden");break;}},Ia=function(a,b,c,d){var e=a.find(g.ACTION_REQUEST_ADD_CONTACT),f=a.find(g.ACTION_REQUEST_REMOVE_CONTACT);switch(d){case"pending-contact":e.addClass("hidden");f.addClass("hidden");break;case"contact":e.addClass("hidden");f.removeClass("hidden");break;case"non-contact":e.removeClass("hidden");f.addClass("hidden");break;}},Ja=function(a,b,c,d){var e=ba(b),f=e.find("button"),h=e.find(g.CONFIRM_DIALOGUE_BUTTON_TEXT),i=e.find(g.LOADING_ICON_CONTAINER);if(d){f.prop("disabled",!0);h.addClass("hidden");i.removeClass("hidden")}else{f.prop("disabled",!1);h.removeClass("hidden");i.addClass("hidden")}},Ka=function(a,b,c,d){var e=null;if(d){e=b.find(g.MESSAGE_NOT_SELECTED);e.find(g.MESSAGE_NOT_SELECTED_ICON).removeClass("hidden");P(a);R(a)}else{e=j(b);e.find(g.MESSAGE_NOT_SELECTED_ICON).addClass("hidden");e.find(g.MESSAGE_SELECTED_ICON).addClass("hidden");O(a);S(a)}},La=function(a,b,c,d){var e=0<d.count;if(d.add.length){d.add.forEach(function(a){var c=Y(b,a);c.find(g.MESSAGE_NOT_SELECTED_ICON).addClass("hidden");c.find(g.MESSAGE_SELECTED_ICON).removeClass("hidden");c.attr("aria-checked",!0)})}if(d.remove.length){d.remove.forEach(function(a){var c=Y(b,a);if(e){c.find(g.MESSAGE_NOT_SELECTED_ICON).removeClass("hidden")}c.find(g.MESSAGE_SELECTED_ICON).addClass("hidden");c.attr("aria-checked",!1)})}ea(a,d.count)},Ma=function(a,b,d,e){if(e.show&&!e.hasMessages){return c.get_strings([{key:"requirecontacttomessage",component:"core_message",param:e.user.fullname},{key:"isnotinyourcontacts",component:"core_message",param:e.user.fullname}]).then(function(c){var e=c[1],f=c[0];return ua(a,b,d,[g.ACTION_REQUEST_ADD_CONTACT],f,e,!1,!0)})}else{return va(a,b,d)}},Na=function(a,b,c,d){var e=m(b);if(d){e.removeClass("hidden")}else{e.addClass("hidden")}return!0},Oa=function(a,b,d,e){var f=o(b);if(e){return c.get_string("yourcontactrequestpending","core_message",e).then(function(a){f.find(g.TEXT).text(a);f.removeClass("hidden");return a})}else{f.addClass("hidden");return!0}},Pa=function(a,b,c){va(a,b,c);p(b);n(b);I(a);U(a);J(c);x(c);return!0};return{render:function render(c,d,e,f){var g=[{reset:Pa},{conversation:la,header:ma,footer:na,confirmBlockUser:wa,confirmUnblockUser:xa,confirmAddContact:ya,confirmRemoveContact:za,confirmDeleteSelectedMessages:Aa,confirmDeleteConversation:Ba,confirmContactRequest:Ca,requireAddContact:Ma,selfConversationMessage:Na,contactRequestSent:Oa},{loadingMembers:pa,loadingFirstMessages:qa,loadingMessages:ra,isBlocked:Fa,isContact:Ia,isFavourite:Ga,isMuted:Ha,loadingConfirmAction:Ja,inEditMode:Ka,showEmojiPicker:sa,showEmojiAutoComplete:ta},{scrollToMessage:oa,selectedMessages:La}],h=function(a){var b=[];for(var g in f){if(a.hasOwnProperty(g)){var h=a[g],i=f[g];b.push(h(c,d,e,i))}}return b},i=h(g[0]);i=i.concat(h(g[1]));return a.when.apply(a,i).then(function(){for(var a=2;a<g.length;a++){h(g[a])}}).catch(b.exception)}}});
-//# sourceMappingURL=message_drawer_view_conversation_renderer.min.js.map
+/**
+ * This module updates the UI for the conversation page in the message
+ * drawer.
+ *
+ * The module will take a patch from the message_drawer_view_conversation_patcher
+ * module and update the UI to reflect the changes.
+ *
+ * This is the only module that ever modifies the UI of the conversation page.
+ *
+ * @module     core_message/message_drawer_view_conversation_renderer
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_conversation_renderer",["jquery","core/notification","core/str","core/templates","core/user_date","core_message/message_drawer_view_conversation_constants"],(function($,Notification,Str,Templates,UserDate,Constants){var SELECTORS=Constants.SELECTORS,TEMPLATES=Constants.TEMPLATES,CONVERSATION_TYPES=Constants.CONVERSATION_TYPES,getMessagesContainer=function(body){return body.find(SELECTORS.CONTENT_MESSAGES_CONTAINER)},getSelfConversationMessageContainer=function(body){return body.find(SELECTORS.SELF_CONVERSATION_MESSAGE_CONTAINER)},getContactRequestSentContainer=function(body){return body.find(SELECTORS.CONTACT_REQUEST_SENT_MESSAGE_CONTAINER)},getFooterContentContainer=function(footer){return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_CONTAINER)},getFooterEditModeContainer=function(footer){return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER)},getFooterPlaceholderContainer=function(footer){return footer.find(SELECTORS.PLACEHOLDER_CONTAINER)},showFooterPlaceholder=function(footer){getFooterPlaceholderContainer(footer).removeClass("hidden")},getFooterRequireContactContainer=function(footer){return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER)},getFooterRequireUnblockContainer=function(footer){return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER)},getFooterUnableToMessageContainer=function(footer){return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER)},hideAllFooterElements=function(footer){!function(footer){getFooterContentContainer(footer).addClass("hidden")}(footer),function(footer){getFooterEditModeContainer(footer).addClass("hidden")}(footer),function(footer){getFooterPlaceholderContainer(footer).addClass("hidden")}(footer),function(footer){getFooterRequireContactContainer(footer).addClass("hidden")}(footer),function(footer){getFooterRequireUnblockContainer(footer).addClass("hidden")}(footer),function(footer){getFooterUnableToMessageContainer(footer).addClass("hidden")}(footer)},getContentPlaceholderContainer=function(body){return body.find(SELECTORS.CONTENT_PLACEHOLDER_CONTAINER)},getHeaderContent=function(header){return header.find(SELECTORS.HEADER)},showHeaderContent=function(header){getHeaderContent(header).removeClass("hidden")},hideHeaderContent=function(header){getHeaderContent(header).addClass("hidden")},getHeaderEditMode=function(header){return header.find(SELECTORS.HEADER_EDIT_MODE)},hideHeaderEditMode=function(header){getHeaderEditMode(header).addClass("hidden")},getHeaderPlaceholderContainer=function(header){return header.find(SELECTORS.HEADER_PLACEHOLDER_CONTAINER)},showHeaderPlaceholder=function(header){getHeaderPlaceholderContainer(header).removeClass("hidden")},hideHeaderPlaceholder=function(header){getHeaderPlaceholderContainer(header).addClass("hidden")},getMessageElement=function(body,messageId){return getMessagesContainer(body).find('[data-message-id="'+messageId+'"]')},getDayElement=function(body,dayTimeCreated){return getMessagesContainer(body).find('[data-day-id="'+dayTimeCreated+'"]')},getMoreMessagesLoadingIconContainer=function(body){return body.find(SELECTORS.MORE_MESSAGES_LOADING_ICON_CONTAINER)},getConfirmDialogueContainer=function(root){return root.find(SELECTORS.CONFIRM_DIALOGUE_CONTAINER)},showConfirmDialogueContainer=function(root){var container=getConfirmDialogueContainer(root),siblings=container.siblings(":not(.hidden)");siblings.attr("aria-hidden",!0),siblings.attr("tabindex",-1),siblings.attr("data-confirm-dialogue-hidden",!0),container.removeClass("hidden")},hideConfirmDialogueContainer=function(root){var container=getConfirmDialogueContainer(root),siblings=container.siblings('[data-confirm-dialogue-hidden="true"]');siblings.removeAttr("aria-hidden"),siblings.removeAttr("tabindex"),siblings.removeAttr("data-confirm-dialogue-hidden"),container.addClass("hidden")},formatMessagesForTemplate=function(messages,datesCache){return messages.map((function(message){return{id:message.id,isread:message.isRead,fromloggedinuser:message.fromLoggedInUser,userfrom:message.userFrom,text:message.text,formattedtime:message.timeCreated?datesCache[message.timeCreated]:null}}))},renderConversation=function(header,body,footer,data){var renderingPromises=[],hasAddDays=data.days.add.length>0,hasAddMessages=data.messages.add.length>0,hasUpdateMessages=data.messages.update.length>0,timestampsToFormat=[],datesCachePromise=$.Deferred().resolve({}).promise();return hasAddDays&&(timestampsToFormat=timestampsToFormat.concat(data.days.add.reduce((function(carry,day){return carry.concat(day.value.messages.reduce((function(timestamps,message){return message.timeCreated&&timestamps.push(message.timeCreated),timestamps}),[]))}),[]))),hasAddMessages&&(timestampsToFormat=timestampsToFormat.concat(data.messages.add.reduce((function(timestamps,message){return message.value.timeCreated&&timestamps.push(message.value.timeCreated),timestamps}),[]))),hasUpdateMessages&&(timestampsToFormat=timestampsToFormat.concat(data.messages.update.reduce((function(timestamps,message){return message.before.timeCreated!=message.after.timeCreated&&timestamps.push(message.after.timeCreated),timestamps}),[]))),timestampsToFormat.length&&(datesCachePromise=Str.get_string("strftimetime24","core_langconfig").then((function(format){var requests=timestampsToFormat.map((function(timestamp){return{timestamp:timestamp,format:format}}));return UserDate.get(requests)})).then((function(formattedTimes){return timestampsToFormat.reduce((function(carry,timestamp,index){return carry[timestamp]=formattedTimes[index],carry}),{})}))),hasAddDays&&renderingPromises.push(datesCachePromise.then((function(datesCache){return function(header,body,footer,days,datesCache){var messagesContainer=getMessagesContainer(body),daysRenderPromises=days.map((function(data){return Templates.render(TEMPLATES.DAY,{timestamp:data.value.timestamp,messages:formatMessagesForTemplate(data.value.messages,datesCache)})}));return $.when.apply($,daysRenderPromises).then((function(){days.forEach((function(data,index){daysRenderPromises[index].then((function(html){if(data.before){var element=getDayElement(body,data.before.timestamp);return $(html).insertBefore(element)}return messagesContainer.append(html)})).catch((function(){}))}))}))}(0,body,0,data.days.add,datesCache)}))),hasAddMessages&&renderingPromises.push(datesCachePromise.then((function(datesCache){return function(header,body,footer,messages,datesCache){var messagesData=messages.map((function(data){return data.value})),formattedMessages=formatMessagesForTemplate(messagesData,datesCache);return Templates.render(TEMPLATES.MESSAGES,{messages:formattedMessages}).then((function(html){var messageList=$(html);messages.forEach((function(data){var messageHtml=messageList.find('[data-message-id="'+data.value.id+'"]');if(data.before){var element=getMessageElement(body,data.before.id);return messageHtml.insertBefore(element)}return getDayElement(body,data.day.timestamp).find(SELECTORS.DAY_MESSAGES_CONTAINER).append(messageHtml)}))}))}(0,body,0,data.messages.add,datesCache)}))),hasUpdateMessages&&renderingPromises.push(datesCachePromise.then((function(datesCache){return function(header,body,footer,messages,datesCache){messages.forEach((function(message){var before=message.before,after=message.after,element=getMessageElement(body,before.id);if(before.id!=after.id&&element.attr("data-message-id",after.id),before.timeCreated!=after.timeCreated){var formattedTime=datesCache[after.timeCreated];element.find(SELECTORS.LOADING_ICON_CONTAINER).addClass("hidden"),element.find(SELECTORS.TIME_CREATED).text(formattedTime).removeClass("hidden")}if(before.sendState!=after.sendState){var loading=element.find(SELECTORS.LOADING_ICON_CONTAINER),time=element.find(SELECTORS.TIME_CREATED),retry=element.find(SELECTORS.RETRY_SEND);switch(loading.addClass("hidden"),loading.attr("aria-hidden","true"),time.addClass("hidden"),time.attr("aria-hidden","true"),retry.addClass("hidden"),retry.attr("aria-hidden","true"),element.removeClass("border border-danger"),after.sendState){case"pending":loading.removeClass("hidden"),loading.attr("aria-hidden","false");break;case"error":retry.removeClass("hidden"),retry.attr("aria-hidden","false"),element.addClass("border border-danger");break;case"sent":time.removeClass("hidden"),time.attr("aria-hidden","false")}}if(before.text!=after.text&&element.find(SELECTORS.TEXT_CONTAINER).html(after.text),before.errorMessage!=after.errorMessage){var messageContainer=element.find(SELECTORS.ERROR_MESSAGE_CONTAINER);message=messageContainer.find(SELECTORS.ERROR_MESSAGE),after.errorMessage?(messageContainer.removeClass("hidden"),messageContainer.attr("aria-hidden","false"),message.text(after.errorMessage)):(messageContainer.addClass("hidden"),messageContainer.attr("aria-hidden","true"),message.text(""))}}))}(0,body,0,data.messages.update,datesCache)}))),data.days.remove.length>0&&function(body,days){days.forEach((function(data){getDayElement(body,data.timestamp).remove()}))}(body,data.days.remove),data.messages.remove.length>0&&function(body,messages){messages.forEach((function(data){getMessageElement(body,data.id).remove()}))}(body,data.messages.remove),$.when.apply($,renderingPromises)},renderHeader=function(header,body,footer,data){var headerContainer=getHeaderContent(header),template=TEMPLATES.HEADER_PUBLIC;return data.context.showrouteback="false"===header.attr("data-from-panel"),data.type==CONVERSATION_TYPES.PRIVATE?template=data.showControls?TEMPLATES.HEADER_PRIVATE:TEMPLATES.HEADER_PRIVATE_NO_CONTROLS:data.type==CONVERSATION_TYPES.SELF&&(template=TEMPLATES.HEADER_SELF),Templates.render(template,data.context).then((function(html,js){Templates.replaceNodeContents(headerContainer,html,js)}))},renderFooter=function(header,body,footer,data){switch(hideAllFooterElements(footer),data.type){case"placeholder":return showFooterPlaceholder(footer);case"add-contact":return Str.get_strings([{key:"requirecontacttomessage",component:"core_message",param:data.user.fullname},{key:"isnotinyourcontacts",component:"core_message",param:data.user.fullname}]).then((function(strings){var title=strings[1],text=strings[0],footerContainer=getFooterRequireContactContainer(footer);return footerContainer.find(SELECTORS.TITLE).text(title),footerContainer.find(SELECTORS.TEXT).text(text),function(footer){getFooterRequireContactContainer(footer).removeClass("hidden")}(footer),strings}));case"edit-mode":return function(footer){getFooterEditModeContainer(footer).removeClass("hidden")}(footer);case"content":return function(footer){getFooterContentContainer(footer).removeClass("hidden")}(footer);case"unblock":return function(footer){getFooterRequireUnblockContainer(footer).removeClass("hidden")}(footer);case"unable-to-message":return function(footer){getFooterUnableToMessageContainer(footer).removeClass("hidden")}(footer)}return!0},renderScrollToMessage=function(header,body,footer,messageId){var messagesContainer=getMessagesContainer(body),position=getMessageElement(body,messageId).position();if(position){var scrollTop=messagesContainer.scrollTop()+position.top;messagesContainer.scrollTop(scrollTop)}},renderLoadingMembers=function(header,body,footer,isLoadingMembers){isLoadingMembers?(hideHeaderContent(header),showHeaderPlaceholder(header)):(showHeaderContent(header),hideHeaderPlaceholder(header))},renderLoadingFirstMessages=function(header,body,footer,isLoadingFirstMessages){isLoadingFirstMessages?(function(body){getMessagesContainer(body).addClass("hidden")}(body),function(body){getContentPlaceholderContainer(body).removeClass("hidden")}(body)):(function(body){getMessagesContainer(body).removeClass("hidden")}(body),function(body){getContentPlaceholderContainer(body).addClass("hidden")}(body))},renderLoadingMessages=function(header,body,footer,isLoading){isLoading?function(body){getMoreMessagesLoadingIconContainer(body).removeClass("hidden")}(body):function(body){getMoreMessagesLoadingIconContainer(body).addClass("hidden")}(body)},renderShowEmojiPicker=function(header,body,footer,show){var container=function(footer){return footer.find(SELECTORS.EMOJI_PICKER_CONTAINER)}(footer);show?(container.removeClass("hidden"),container.attr("aria-hidden",!1),container.find(SELECTORS.EMOJI_PICKER_SEARCH_INPUT).focus()):(container.addClass("hidden"),container.attr("aria-hidden",!0))},renderShowEmojiAutoComplete=function(header,body,footer,show){var container=function(footer){return footer.find(SELECTORS.EMOJI_AUTO_COMPLETE_CONTAINER)}(footer);show?(container.removeClass("hidden"),container.attr("aria-hidden",!1)):(container.addClass("hidden"),container.attr("aria-hidden",!0))},showConfirmDialogue=function(header,body,footer,buttonSelectors,bodyText,headerText,canCancel,skipHeader,showOk){var dialogue=getConfirmDialogueContainer(body),buttons=buttonSelectors.map((function(selector){return dialogue.find(selector)})),cancelButton=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_CANCEL_BUTTON),okayButton=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_OKAY_BUTTON),text=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_TEXT),dialogueHeader=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_HEADER);(dialogue.find("button").addClass("hidden"),canCancel?cancelButton.removeClass("hidden"):cancelButton.addClass("hidden"),showOk?okayButton.removeClass("hidden"):okayButton.addClass("hidden"),headerText)?((dialogueHeader=$('<h3 class="h6" data-region="dialogue-header"></h3>')).text(headerText),dialogue.find(SELECTORS.CONFIRM_DIALOGUE).prepend(dialogueHeader)):dialogueHeader.length&&dialogueHeader.remove();buttons.forEach((function(button){button.removeClass("hidden")})),text.text(bodyText),showConfirmDialogueContainer(footer),showConfirmDialogueContainer(body),skipHeader||showConfirmDialogueContainer(header),dialogue.find(SELECTORS.CAN_RECEIVE_FOCUS).filter(":visible").first().focus()},hideConfirmDialogue=function(header,body,footer){var dialogue=getConfirmDialogueContainer(body),cancelButton=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_CANCEL_BUTTON),okayButton=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_OKAY_BUTTON),text=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_TEXT),dialogueHeader=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_HEADER);return hideCheckDeleteDialogue(body),hideConfirmDialogueContainer(body),hideConfirmDialogueContainer(footer),hideConfirmDialogueContainer(header),dialogue.find("button").addClass("hidden"),cancelButton.removeClass("hidden"),okayButton.removeClass("hidden"),text.text(""),dialogueHeader.length&&dialogueHeader.remove(),header.find(SELECTORS.CAN_RECEIVE_FOCUS).first().focus(),!0},renderConfirmBlockUser=function(header,body,footer,user){return user?user.canmessageevenifblocked?Str.get_string("cantblockuser","core_message",user.fullname).then((function(string){return showConfirmDialogue(header,body,footer,[],string,"",!1,!1,!0)})):Str.get_string("blockuserconfirm","core_message",user.fullname).then((function(string){return showConfirmDialogue(header,body,footer,[SELECTORS.ACTION_CONFIRM_BLOCK],string,"",!0,!1)})):hideConfirmDialogue(header,body,footer)},renderConfirmUnblockUser=function(header,body,footer,user){return user?Str.get_string("unblockuserconfirm","core_message",user.fullname).then((function(string){return showConfirmDialogue(header,body,footer,[SELECTORS.ACTION_CONFIRM_UNBLOCK],string,"",!0,!1)})):hideConfirmDialogue(header,body,footer)},renderConfirmAddContact=function(header,body,footer,user){return user?Str.get_string("addcontactconfirm","core_message",user.fullname).then((function(string){return showConfirmDialogue(header,body,footer,[SELECTORS.ACTION_CONFIRM_ADD_CONTACT],string,"",!0,!1)})):hideConfirmDialogue(header,body,footer)},renderConfirmRemoveContact=function(header,body,footer,user){return user?Str.get_string("removecontactconfirm","core_message",user.fullname).then((function(string){return showConfirmDialogue(header,body,footer,[SELECTORS.ACTION_CONFIRM_REMOVE_CONTACT],string,"",!0,!1)})):hideConfirmDialogue(header,body,footer)},renderConfirmDeleteSelectedMessages=function(header,body,footer,data){var showmessage=null;return data.type==CONVERSATION_TYPES.SELF?showmessage="deleteselectedmessagesconfirmselfconversation":data.canDeleteMessagesForAllUsers?(showCheckDeleteDialogue(body),showmessage="deleteforeveryoneselectedmessagesconfirm"):showmessage="deleteselectedmessagesconfirm",data.show?Str.get_string(showmessage,"core_message").then((function(string){return showConfirmDialogue(header,body,footer,[SELECTORS.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES],string,"",!0,!1)})):hideConfirmDialogue(header,body,footer)},renderConfirmDeleteConversation=function(header,body,footer,type){var showmessage=null;return type==CONVERSATION_TYPES.SELF?showmessage="deleteallselfconfirm":type&&(showmessage="deleteallconfirm"),showmessage?Str.get_string(showmessage,"core_message").then((function(string){return showConfirmDialogue(header,body,footer,[SELECTORS.ACTION_CONFIRM_DELETE_CONVERSATION],string,"",!0,!1)})):hideConfirmDialogue(header,body,footer)},renderConfirmContactRequest=function(header,body,footer,user){return user?Str.get_string("userwouldliketocontactyou","core_message",user.fullname).then((function(string){var buttonSelectors=[SELECTORS.ACTION_ACCEPT_CONTACT_REQUEST,SELECTORS.ACTION_DECLINE_CONTACT_REQUEST];return showConfirmDialogue(header,body,footer,buttonSelectors,string,"",!1,!0)})):hideConfirmDialogue(header,body,footer)},showCheckDeleteDialogue=function(body){getConfirmDialogueContainer(body).find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER).removeClass("hidden")},hideCheckDeleteDialogue=function(body){var dialogue=getConfirmDialogueContainer(body),checkboxRegion=dialogue.find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER);dialogue.find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE).prop("checked",!1),checkboxRegion.addClass("hidden")},renderIsBlocked=function(header,body,footer,isBlocked){isBlocked?(header.find(SELECTORS.ACTION_REQUEST_BLOCK).addClass("hidden"),header.find(SELECTORS.ACTION_REQUEST_UNBLOCK).removeClass("hidden")):(header.find(SELECTORS.ACTION_REQUEST_BLOCK).removeClass("hidden"),header.find(SELECTORS.ACTION_REQUEST_UNBLOCK).addClass("hidden"))},renderIsFavourite=function(header,body,footer,state){var favouriteIcon=header.find(SELECTORS.FAVOURITE_ICON_CONTAINER),addFavourite=header.find(SELECTORS.ACTION_CONFIRM_FAVOURITE),removeFavourite=header.find(SELECTORS.ACTION_CONFIRM_UNFAVOURITE);switch(state){case"hide":favouriteIcon.addClass("hidden"),addFavourite.addClass("hidden"),removeFavourite.addClass("hidden");break;case"show-add":favouriteIcon.addClass("hidden"),addFavourite.removeClass("hidden"),removeFavourite.addClass("hidden");break;case"show-remove":favouriteIcon.removeClass("hidden"),addFavourite.addClass("hidden"),removeFavourite.removeClass("hidden")}},renderIsMuted=function(header,body,footer,state){var muteIcon=header.find(SELECTORS.MUTED_ICON_CONTAINER),setMuted=header.find(SELECTORS.ACTION_CONFIRM_MUTE),unsetMuted=header.find(SELECTORS.ACTION_CONFIRM_UNMUTE);switch(state){case"hide":muteIcon.addClass("hidden"),setMuted.addClass("hidden"),unsetMuted.addClass("hidden");break;case"show-mute":muteIcon.addClass("hidden"),setMuted.removeClass("hidden"),unsetMuted.addClass("hidden");break;case"show-unmute":muteIcon.removeClass("hidden"),setMuted.addClass("hidden"),unsetMuted.removeClass("hidden")}},renderIsContact=function(header,body,footer,state){var addContact=header.find(SELECTORS.ACTION_REQUEST_ADD_CONTACT),removeContact=header.find(SELECTORS.ACTION_REQUEST_REMOVE_CONTACT);switch(state){case"pending-contact":addContact.addClass("hidden"),removeContact.addClass("hidden");break;case"contact":addContact.addClass("hidden"),removeContact.removeClass("hidden");break;case"non-contact":addContact.removeClass("hidden"),removeContact.addClass("hidden")}},renderLoadingConfirmAction=function(header,body,footer,isLoading){var dialogue=getConfirmDialogueContainer(body),buttons=dialogue.find("button"),buttonText=dialogue.find(SELECTORS.CONFIRM_DIALOGUE_BUTTON_TEXT),loadingIcon=dialogue.find(SELECTORS.LOADING_ICON_CONTAINER);isLoading?(buttons.prop("disabled",!0),buttonText.addClass("hidden"),loadingIcon.removeClass("hidden")):(buttons.prop("disabled",!1),buttonText.removeClass("hidden"),loadingIcon.addClass("hidden"))},renderInEditMode=function(header,body,footer,inEditMode){var messages=null;inEditMode?((messages=body.find(SELECTORS.MESSAGE_NOT_SELECTED)).find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).removeClass("hidden"),hideHeaderContent(header),function(header){getHeaderEditMode(header).removeClass("hidden")}(header)):((messages=getMessagesContainer(body)).find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).addClass("hidden"),messages.find(SELECTORS.MESSAGE_SELECTED_ICON).addClass("hidden"),showHeaderContent(header),hideHeaderEditMode(header))},renderSelectedMessages=function(header,body,footer,data){var hasSelectedMessages=data.count>0;data.add.length&&data.add.forEach((function(messageId){var message=getMessageElement(body,messageId);message.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).addClass("hidden"),message.find(SELECTORS.MESSAGE_SELECTED_ICON).removeClass("hidden"),message.attr("aria-checked",!0)})),data.remove.length&&data.remove.forEach((function(messageId){var message=getMessageElement(body,messageId);hasSelectedMessages&&message.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).removeClass("hidden"),message.find(SELECTORS.MESSAGE_SELECTED_ICON).addClass("hidden"),message.attr("aria-checked",!1)})),function(header,value){getHeaderEditMode(header).find(SELECTORS.MESSAGES_SELECTED_COUNT).text(value)}(header,data.count)},renderRequireAddContact=function(header,body,footer,data){return data.show&&!data.hasMessages?Str.get_strings([{key:"requirecontacttomessage",component:"core_message",param:data.user.fullname},{key:"isnotinyourcontacts",component:"core_message",param:data.user.fullname}]).then((function(strings){var title=strings[1],text=strings[0];return showConfirmDialogue(header,body,footer,[SELECTORS.ACTION_REQUEST_ADD_CONTACT],text,title,!1,!0)})):hideConfirmDialogue(header,body,footer)},renderSelfConversationMessage=function(header,body,footer,displayMessage){var container=getSelfConversationMessageContainer(body);return displayMessage?container.removeClass("hidden"):container.addClass("hidden"),!0},renderContactRequestSent=function(header,body,footer,userFullName){var container=getContactRequestSentContainer(body);return userFullName?Str.get_string("yourcontactrequestpending","core_message",userFullName).then((function(string){return container.find(SELECTORS.TEXT).text(string),container.removeClass("hidden"),string})):(container.addClass("hidden"),!0)},renderReset=function(header,body,footer){return hideConfirmDialogue(header,body,footer),function(body){getContactRequestSentContainer(body).addClass("hidden")}(body),function(body){getSelfConversationMessageContainer(body).addClass("hidden")}(body),function(header){hideHeaderContent(header),hideHeaderEditMode(header),hideHeaderPlaceholder(header)}(header),showHeaderPlaceholder(header),hideAllFooterElements(footer),showFooterPlaceholder(footer),!0};return{render:function(header,body,footer,patch){var configs=[{reset:renderReset},{conversation:renderConversation,header:renderHeader,footer:renderFooter,confirmBlockUser:renderConfirmBlockUser,confirmUnblockUser:renderConfirmUnblockUser,confirmAddContact:renderConfirmAddContact,confirmRemoveContact:renderConfirmRemoveContact,confirmDeleteSelectedMessages:renderConfirmDeleteSelectedMessages,confirmDeleteConversation:renderConfirmDeleteConversation,confirmContactRequest:renderConfirmContactRequest,requireAddContact:renderRequireAddContact,selfConversationMessage:renderSelfConversationMessage,contactRequestSent:renderContactRequestSent},{loadingMembers:renderLoadingMembers,loadingFirstMessages:renderLoadingFirstMessages,loadingMessages:renderLoadingMessages,isBlocked:renderIsBlocked,isContact:renderIsContact,isFavourite:renderIsFavourite,isMuted:renderIsMuted,loadingConfirmAction:renderLoadingConfirmAction,inEditMode:renderInEditMode,showEmojiPicker:renderShowEmojiPicker,showEmojiAutoComplete:renderShowEmojiAutoComplete},{scrollToMessage:renderScrollToMessage,selectedMessages:renderSelectedMessages}],processConfig=function(config){var results=[];for(var key in patch)if(config.hasOwnProperty(key)){var renderFunc=config[key],patchValue=patch[key];results.push(renderFunc(header,body,footer,patchValue))}return results},renderingPromises=processConfig(configs[0]);return renderingPromises=renderingPromises.concat(processConfig(configs[1])),$.when.apply($,renderingPromises).then((function(){for(var i=2;i<configs.length;i++)processConfig(configs[i])})).catch(Notification.exception)}}}));
+
+//# sourceMappingURL=message_drawer_view_conversation_renderer.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation_renderer.min.js.map b/message/amd/build/message_drawer_view_conversation_renderer.min.js.map
index 6bd9db10d9a..d6e07e3f891 100644
--- a/message/amd/build/message_drawer_view_conversation_renderer.min.js.map
+++ b/message/amd/build/message_drawer_view_conversation_renderer.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module updates the UI for the conversation page in the message\n * drawer.\n *\n * The module will take a patch from the message_drawer_view_conversation_patcher\n * module and update the UI to reflect the changes.\n *\n * This is the only module that ever modifies the UI of the conversation page.\n *\n * @module     core_message/message_drawer_view_conversation_renderer\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/str',\n    'core/templates',\n    'core/user_date',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    Notification,\n    Str,\n    Templates,\n    UserDate,\n    Constants\n) {\n    var SELECTORS = Constants.SELECTORS;\n    var TEMPLATES = Constants.TEMPLATES;\n    var CONVERSATION_TYPES = Constants.CONVERSATION_TYPES;\n\n    /**\n     * Get the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.CONTENT_MESSAGES_CONTAINER);\n    };\n\n    /**\n     * Show the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var showMessagesContainer = function(body) {\n        getMessagesContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var hideMessagesContainer = function(body) {\n        getMessagesContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the self-conversation message container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getSelfConversationMessageContainer = function(body) {\n        return body.find(SELECTORS.SELF_CONVERSATION_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Hide the self-conversation message container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var hideSelfConversationMessageContainer = function(body) {\n        return getSelfConversationMessageContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the contact request sent container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getContactRequestSentContainer = function(body) {\n        return body.find(SELECTORS.CONTACT_REQUEST_SENT_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Hide the contact request sent container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var hideContactRequestSentContainer = function(body) {\n        return getContactRequestSentContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the footer container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer container element.\n     */\n    var getFooterContentContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_CONTAINER);\n    };\n\n    /**\n     * Show the footer container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterContent = function(footer) {\n        getFooterContentContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterContent = function(footer) {\n        getFooterContentContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer edit mode container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer container element.\n     */\n    var getFooterEditModeContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER);\n    };\n\n    /**\n     * Show the footer edit mode container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterEditMode = function(footer) {\n        getFooterEditModeContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer edit mode container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterEditMode = function(footer) {\n        getFooterEditModeContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer placeholder.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer placeholder container element.\n     */\n    var getFooterPlaceholderContainer = function(footer) {\n        return footer.find(SELECTORS.PLACEHOLDER_CONTAINER);\n    };\n\n    /**\n     * Show the footer placeholder\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterPlaceholder = function(footer) {\n        getFooterPlaceholderContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer placeholder\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterPlaceholder = function(footer) {\n        getFooterPlaceholderContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer Require add as contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer Require add as contact container element.\n     */\n    var getFooterRequireContactContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER);\n    };\n\n    /**\n     * Show the footer add as contact dialogue.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterRequireContact = function(footer) {\n        getFooterRequireContactContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer add as contact dialogue.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterRequireContact = function(footer) {\n        getFooterRequireContactContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer Required to unblock contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer Required to unblock contact container element.\n     */\n    var getFooterRequireUnblockContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER);\n    };\n\n    /**\n     * Show the footer Required to unblock contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterRequireUnblock = function(footer) {\n        getFooterRequireUnblockContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer Required to unblock contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterRequireUnblock = function(footer) {\n        getFooterRequireUnblockContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer Unable to message contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer Unable to message contact container element.\n     */\n    var getFooterUnableToMessageContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Show the footer Unable to message contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterUnableToMessage = function(footer) {\n        getFooterUnableToMessageContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer Unable to message contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterUnableToMessage = function(footer) {\n        getFooterUnableToMessageContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Hide all header elements.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var hideAllHeaderElements = function(header) {\n        hideHeaderContent(header);\n        hideHeaderEditMode(header);\n        hideHeaderPlaceholder(header);\n    };\n\n    /**\n     * Hide all footer dialogues and messages.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideAllFooterElements = function(footer) {\n        hideFooterContent(footer);\n        hideFooterEditMode(footer);\n        hideFooterPlaceholder(footer);\n        hideFooterRequireContact(footer);\n        hideFooterRequireUnblock(footer);\n        hideFooterUnableToMessage(footer);\n    };\n\n    /**\n     * Get the content placeholder container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The body placeholder container element.\n     */\n    var getContentPlaceholderContainer = function(body) {\n        return body.find(SELECTORS.CONTENT_PLACEHOLDER_CONTAINER);\n    };\n\n    /**\n     * Show the content placeholder.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var showContentPlaceholder = function(body) {\n        getContentPlaceholderContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the content placeholder.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var hideContentPlaceholder = function(body) {\n        getContentPlaceholderContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the header content container element.\n     *\n     * @param  {Object} header Conversation header container element.\n     * @return {Object} The header content container element.\n     */\n    var getHeaderContent = function(header) {\n        return header.find(SELECTORS.HEADER);\n    };\n\n    /**\n     * Show the header content.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var showHeaderContent = function(header) {\n        getHeaderContent(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the header content.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var hideHeaderContent = function(header) {\n        getHeaderContent(header).addClass('hidden');\n    };\n\n    /**\n     * Get the header edit mode container element.\n     *\n     * @param  {Object} header Conversation header container element.\n     * @return {Object} The header content container element.\n     */\n    var getHeaderEditMode = function(header) {\n        return header.find(SELECTORS.HEADER_EDIT_MODE);\n    };\n\n    /**\n     * Show the header edit mode container.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var showHeaderEditMode = function(header) {\n        getHeaderEditMode(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the header edit mode container.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var hideHeaderEditMode = function(header) {\n        getHeaderEditMode(header).addClass('hidden');\n    };\n\n    /**\n     * Get the header placeholder container element.\n     *\n     * @param  {Object} header Conversation header container element.\n     * @return {Object} The header placeholder container element.\n     */\n    var getHeaderPlaceholderContainer = function(header) {\n        return header.find(SELECTORS.HEADER_PLACEHOLDER_CONTAINER);\n    };\n\n    /**\n     * Show the header placeholder.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var showHeaderPlaceholder = function(header) {\n        getHeaderPlaceholderContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the header placeholder.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var hideHeaderPlaceholder = function(header) {\n        getHeaderPlaceholderContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Get the emoji picker container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The emoji picker container element.\n     */\n    var getEmojiPickerContainer = function(footer) {\n        return footer.find(SELECTORS.EMOJI_PICKER_CONTAINER);\n    };\n\n    /**\n     * Get the emoji picker container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The emoji picker container element.\n     */\n    var getEmojiAutoCompleteContainer = function(footer) {\n        return footer.find(SELECTORS.EMOJI_AUTO_COMPLETE_CONTAINER);\n    };\n\n    /**\n     * Get a message element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number} messageId the Message id.\n     * @return {Object} A message element from the conversation.\n     */\n    var getMessageElement = function(body, messageId) {\n        var messagesContainer = getMessagesContainer(body);\n        return messagesContainer.find('[data-message-id=\"' + messageId + '\"]');\n    };\n\n    /**\n     * Get the day container element. The day container element holds a list of messages for that day.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number} dayTimeCreated Midnight timestamp for the day.\n     * @return {Object} jQuery object\n     */\n    var getDayElement = function(body, dayTimeCreated) {\n        var messagesContainer = getMessagesContainer(body);\n        return messagesContainer.find('[data-day-id=\"' + dayTimeCreated + '\"]');\n    };\n\n    /**\n     * Get the more messages loading icon container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The more messages loading container element.\n     */\n    var getMoreMessagesLoadingIconContainer = function(body) {\n        return body.find(SELECTORS.MORE_MESSAGES_LOADING_ICON_CONTAINER);\n    };\n\n    /**\n     * Show the more messages loading icon.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var showMoreMessagesLoadingIcon = function(body) {\n        getMoreMessagesLoadingIconContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the more messages loading icon.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var hideMoreMessagesLoadingIcon = function(body) {\n        getMoreMessagesLoadingIconContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the confirm dialogue container element.\n     *\n     * @param  {Object} root The container element to search.\n     * @return {Object} The confirm dialogue container element.\n     */\n    var getConfirmDialogueContainer = function(root) {\n        return root.find(SELECTORS.CONFIRM_DIALOGUE_CONTAINER);\n    };\n\n    /**\n     * Show the confirm dialogue container element.\n     *\n     * @param  {Object} root The container element containing a dialogue.\n     */\n    var showConfirmDialogueContainer = function(root) {\n        var container = getConfirmDialogueContainer(root);\n        var siblings = container.siblings(':not(.hidden)');\n        siblings.attr('aria-hidden', true);\n        siblings.attr('tabindex', -1);\n        siblings.attr('data-confirm-dialogue-hidden', true);\n\n        container.removeClass('hidden');\n    };\n\n    /**\n     * Hide the confirm dialogue container element.\n     *\n     * @param  {Object} root The container element containing a dialogue.\n     */\n    var hideConfirmDialogueContainer = function(root) {\n        var container = getConfirmDialogueContainer(root);\n        var siblings = container.siblings('[data-confirm-dialogue-hidden=\"true\"]');\n        siblings.removeAttr('aria-hidden');\n        siblings.removeAttr('tabindex');\n        siblings.removeAttr('data-confirm-dialogue-hidden');\n\n        container.addClass('hidden');\n    };\n\n    /**\n     * Set the number of selected messages.\n     *\n     * @param {Object} header The header container element.\n     * @param {Number} value The new number to display.\n     */\n    var setMessagesSelectedCount = function(header, value) {\n        getHeaderEditMode(header).find(SELECTORS.MESSAGES_SELECTED_COUNT).text(value);\n    };\n\n    /**\n     * Format message for the mustache template, transform camelCase properties to lowercase properties.\n     *\n     * @param  {Array} messages Array of message objects.\n     * @param  {Object} datesCache Cache timestamps and their formatted date string.\n     * @return {Array} Messages formated for mustache template.\n     */\n    var formatMessagesForTemplate = function(messages, datesCache) {\n        return messages.map(function(message) {\n            return {\n                id: message.id,\n                isread: message.isRead,\n                fromloggedinuser: message.fromLoggedInUser,\n                userfrom: message.userFrom,\n                text: message.text,\n                formattedtime: message.timeCreated ? datesCache[message.timeCreated] : null\n            };\n        });\n    };\n\n    /**\n     * Create rendering promises for each day containing messages.\n     *\n     * @param  {Object} header The header container element.\n     * @param  {Object} body The body container element.\n     * @param  {Object} footer The footer container element.\n     * @param  {Array} days Array of days containing messages.\n     * @param  {Object} datesCache Cache timestamps and their formatted date string.\n     * @return {Promise} Days rendering promises.\n     */\n    var renderAddDays = function(header, body, footer, days, datesCache) {\n        var messagesContainer = getMessagesContainer(body);\n        var daysRenderPromises = days.map(function(data) {\n            return Templates.render(TEMPLATES.DAY, {\n                timestamp: data.value.timestamp,\n                messages: formatMessagesForTemplate(data.value.messages, datesCache)\n            });\n        });\n\n        return $.when.apply($, daysRenderPromises).then(function() {\n            // Wait until all of the rendering is done for each of the days\n            // to ensure they are added to the page in the correct order.\n            days.forEach(function(data, index) {\n                daysRenderPromises[index]\n                    .then(function(html) {\n                        if (data.before) {\n                            var element = getDayElement(body, data.before.timestamp);\n                            return $(html).insertBefore(element);\n                        } else {\n                            return messagesContainer.append(html);\n                        }\n                    })\n                    .catch(function() {\n                        // Fail silently.\n                    });\n            });\n\n            return;\n        });\n    };\n\n    /**\n     * Add (more) messages to day containers.\n     *\n     * @param  {Object} header The header container element.\n     * @param  {Object} body The body container element.\n     * @param  {Object} footer The footer container element.\n     * @param  {Array} messages List of messages.\n     * @param  {Object} datesCache Cache timestamps and their formatted date string.\n     * @return {Promise} Messages rendering promises.\n     */\n    var renderAddMessages = function(header, body, footer, messages, datesCache) {\n        var messagesData = messages.map(function(data) {\n            return data.value;\n        });\n        var formattedMessages = formatMessagesForTemplate(messagesData, datesCache);\n\n        return Templates.render(TEMPLATES.MESSAGES, {messages: formattedMessages})\n            .then(function(html) {\n                var messageList = $(html);\n                messages.forEach(function(data) {\n                    var messageHtml = messageList.find('[data-message-id=\"' + data.value.id + '\"]');\n                    if (data.before) {\n                        var element = getMessageElement(body, data.before.id);\n                        return messageHtml.insertBefore(element);\n                    } else {\n                        var dayContainer = getDayElement(body, data.day.timestamp);\n                        var dayMessagesContainer = dayContainer.find(SELECTORS.DAY_MESSAGES_CONTAINER);\n                        return dayMessagesContainer.append(messageHtml);\n                    }\n                });\n\n                return;\n            });\n    };\n\n    /**\n     * Update existing messages.\n     *\n     * @param  {Object} header The header container element.\n     * @param  {Object} body The body container element.\n     * @param  {Object} footer The footer container element.\n     * @param  {Array} messages List of messages.\n     * @param  {Object} datesCache Cache timestamps and their formatted date string.\n     */\n    var renderUpdateMessages = function(header, body, footer, messages, datesCache) {\n        messages.forEach(function(message) {\n            var before = message.before;\n            var after = message.after;\n            var element = getMessageElement(body, before.id);\n\n            if (before.id != after.id) {\n                element.attr('data-message-id', after.id);\n            }\n\n            if (before.timeCreated != after.timeCreated) {\n                var formattedTime = datesCache[after.timeCreated];\n                element.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n                element.find(SELECTORS.TIME_CREATED).text(formattedTime).removeClass('hidden');\n            }\n\n            if (before.sendState != after.sendState) {\n                var loading = element.find(SELECTORS.LOADING_ICON_CONTAINER);\n                var time = element.find(SELECTORS.TIME_CREATED);\n                var retry = element.find(SELECTORS.RETRY_SEND);\n\n                loading.addClass('hidden');\n                loading.attr('aria-hidden', 'true');\n                time.addClass('hidden');\n                time.attr('aria-hidden', 'true');\n                retry.addClass('hidden');\n                retry.attr('aria-hidden', 'true');\n                element.removeClass('border border-danger');\n\n                switch (after.sendState) {\n                    case 'pending':\n                        loading.removeClass('hidden');\n                        loading.attr('aria-hidden', 'false');\n                        break;\n                    case 'error':\n                        retry.removeClass('hidden');\n                        retry.attr('aria-hidden', 'false');\n                        element.addClass('border border-danger');\n                        break;\n                    case 'sent':\n                        time.removeClass('hidden');\n                        time.attr('aria-hidden', 'false');\n                        break;\n                }\n            }\n\n            if (before.text != after.text) {\n                element.find(SELECTORS.TEXT_CONTAINER).html(after.text);\n            }\n\n            if (before.errorMessage != after.errorMessage) {\n                var messageContainer = element.find(SELECTORS.ERROR_MESSAGE_CONTAINER);\n                var message = messageContainer.find(SELECTORS.ERROR_MESSAGE);\n\n                if (after.errorMessage) {\n                    messageContainer.removeClass('hidden');\n                    messageContainer.attr('aria-hidden', 'false');\n                    message.text(after.errorMessage);\n                } else {\n                    messageContainer.addClass('hidden');\n                    messageContainer.attr('aria-hidden', 'true');\n                    message.text('');\n                }\n            }\n        });\n    };\n\n    /**\n     * Remove days from conversation.\n     *\n     * @param  {Object} body The body container element.\n     * @param  {Array} days Array of days to be removed.\n     */\n    var renderRemoveDays = function(body, days) {\n        days.forEach(function(data) {\n            getDayElement(body, data.timestamp).remove();\n        });\n    };\n\n    /**\n     * Remove messages from conversation.\n     *\n     * @param  {Object} body The body container element.\n     * @param  {Array} messages Array of messages to be removed.\n     */\n    var renderRemoveMessages = function(body, messages) {\n        messages.forEach(function(data) {\n            getMessageElement(body, data.id).remove();\n        });\n    };\n\n    /**\n     * Render the full conversation base on input from the statemanager.\n     *\n     * This will pre-load all of the formatted timestamps for each message that\n     * needs to render to reduce the number of networks requests.\n     *\n     * @param  {Object} header The header container element.\n     * @param  {Object} body The body container element.\n     * @param  {Object} footer The footer container element.\n     * @param  {Object} data The conversation diff.\n     * @return {Object} jQuery promise.\n     */\n    var renderConversation = function(header, body, footer, data) {\n        var renderingPromises = [];\n        var hasAddDays = data.days.add.length > 0;\n        var hasAddMessages = data.messages.add.length > 0;\n        var hasUpdateMessages = data.messages.update.length > 0;\n        var timestampsToFormat = [];\n        var datesCachePromise = $.Deferred().resolve({}).promise();\n\n        if (hasAddDays) {\n            // Search for all of the timeCreated values in all of the messages in all of\n            // the days that we need to render.\n            timestampsToFormat = timestampsToFormat.concat(data.days.add.reduce(function(carry, day) {\n                return carry.concat(day.value.messages.reduce(function(timestamps, message) {\n                    if (message.timeCreated) {\n                        timestamps.push(message.timeCreated);\n                    }\n                    return timestamps;\n                }, []));\n            }, []));\n        }\n\n        if (hasAddMessages) {\n            // Search for all of the timeCreated values in all of the messages that we\n            // need to render.\n            timestampsToFormat = timestampsToFormat.concat(data.messages.add.reduce(function(timestamps, message) {\n                if (message.value.timeCreated) {\n                    timestamps.push(message.value.timeCreated);\n                }\n                return timestamps;\n            }, []));\n        }\n\n        if (hasUpdateMessages) {\n            timestampsToFormat = timestampsToFormat.concat(data.messages.update.reduce(function(timestamps, message) {\n                if (message.before.timeCreated != message.after.timeCreated) {\n                    timestamps.push(message.after.timeCreated);\n                }\n                return timestamps;\n            }, []));\n        }\n\n        if (timestampsToFormat.length) {\n            // If we have timestamps then pre-load the formatted version of each of them\n            // in a single request to the server. This saves the templates doing multiple\n            // individual requests.\n            datesCachePromise = Str.get_string('strftimetime24', 'core_langconfig')\n                .then(function(format) {\n                    var requests = timestampsToFormat.map(function(timestamp) {\n                        return {\n                            timestamp: timestamp,\n                            format: format\n                        };\n                    });\n\n                    return UserDate.get(requests);\n                })\n                .then(function(formattedTimes) {\n                    return timestampsToFormat.reduce(function(carry, timestamp, index) {\n                        carry[timestamp] = formattedTimes[index];\n                        return carry;\n                    }, {});\n                });\n        }\n\n        if (hasAddDays) {\n            renderingPromises.push(datesCachePromise.then(function(datesCache) {\n                return renderAddDays(header, body, footer, data.days.add, datesCache);\n            }));\n        }\n\n        if (hasAddMessages) {\n            renderingPromises.push(datesCachePromise.then(function(datesCache) {\n                return renderAddMessages(header, body, footer, data.messages.add, datesCache);\n            }));\n        }\n\n        if (hasUpdateMessages) {\n            renderingPromises.push(datesCachePromise.then(function(datesCache) {\n                return renderUpdateMessages(header, body, footer, data.messages.update, datesCache);\n            }));\n        }\n\n        if (data.days.remove.length > 0) {\n            renderRemoveDays(body, data.days.remove);\n        }\n\n        if (data.messages.remove.length > 0) {\n            renderRemoveMessages(body, data.messages.remove);\n        }\n\n        return $.when.apply($, renderingPromises);\n    };\n\n    /**\n     * Render the conversation header.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data Data for header.\n     * @return {Object} jQuery promise\n     */\n    var renderHeader = function(header, body, footer, data) {\n        var headerContainer = getHeaderContent(header);\n        var template = TEMPLATES.HEADER_PUBLIC;\n        data.context.showrouteback = (header.attr('data-from-panel') === \"false\");\n        if (data.type == CONVERSATION_TYPES.PRIVATE) {\n            template = data.showControls ? TEMPLATES.HEADER_PRIVATE : TEMPLATES.HEADER_PRIVATE_NO_CONTROLS;\n        } else if (data.type == CONVERSATION_TYPES.SELF) {\n            template = TEMPLATES.HEADER_SELF;\n        }\n\n        return Templates.render(template, data.context)\n            .then(function(html, js) {\n                Templates.replaceNodeContents(headerContainer, html, js);\n                return;\n            });\n    };\n\n    /**\n     * Render the conversation footer.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data Data for footer.\n     * @return {Object} jQuery promise.\n     */\n    var renderFooter = function(header, body, footer, data) {\n        hideAllFooterElements(footer);\n\n        switch (data.type) {\n            case 'placeholder':\n                return showFooterPlaceholder(footer);\n            case 'add-contact':\n                return Str.get_strings([\n                        {\n                            key: 'requirecontacttomessage',\n                            component: 'core_message',\n                            param: data.user.fullname\n                        },\n                        {\n                            key: 'isnotinyourcontacts',\n                            component: 'core_message',\n                            param: data.user.fullname\n                        }\n                    ])\n                    .then(function(strings) {\n                        var title = strings[1];\n                        var text = strings[0];\n                        var footerContainer = getFooterRequireContactContainer(footer);\n                        footerContainer.find(SELECTORS.TITLE).text(title);\n                        footerContainer.find(SELECTORS.TEXT).text(text);\n                        showFooterRequireContact(footer);\n                        return strings;\n                    });\n            case 'edit-mode':\n                return showFooterEditMode(footer);\n            case 'content':\n                return showFooterContent(footer);\n            case 'unblock':\n                return showFooterRequireUnblock(footer);\n            case 'unable-to-message':\n                return showFooterUnableToMessage(footer);\n        }\n\n        return true;\n    };\n\n    /**\n     * Scroll to a message in the conversation.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Number} messageId Message id.\n     */\n    var renderScrollToMessage = function(header, body, footer, messageId) {\n        var messagesContainer = getMessagesContainer(body);\n        var messageElement = getMessageElement(body, messageId);\n        var position = messageElement.position();\n        // Scroll the message container down to the top of the message element.\n        if (position) {\n            var scrollTop = messagesContainer.scrollTop() + position.top;\n            messagesContainer.scrollTop(scrollTop);\n        }\n    };\n\n    /**\n     * Hide or show the conversation header.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isLoadingMembers Members loading.\n     */\n    var renderLoadingMembers = function(header, body, footer, isLoadingMembers) {\n        if (isLoadingMembers) {\n            hideHeaderContent(header);\n            showHeaderPlaceholder(header);\n        } else {\n            showHeaderContent(header);\n            hideHeaderPlaceholder(header);\n        }\n    };\n\n    /**\n     * Hide or show loading conversation messages.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isLoadingFirstMessages Messages loading.\n     */\n    var renderLoadingFirstMessages = function(header, body, footer, isLoadingFirstMessages) {\n        if (isLoadingFirstMessages) {\n            hideMessagesContainer(body);\n            showContentPlaceholder(body);\n        } else {\n            showMessagesContainer(body);\n            hideContentPlaceholder(body);\n        }\n    };\n\n    /**\n     * Hide or show loading more messages.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isLoading Messages loading.\n     */\n    var renderLoadingMessages = function(header, body, footer, isLoading) {\n        if (isLoading) {\n            showMoreMessagesLoadingIcon(body);\n        } else {\n            hideMoreMessagesLoadingIcon(body);\n        }\n    };\n\n    /**\n     * Hide or show the emoji picker.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} show Should the emoji picker be visible.\n     */\n    var renderShowEmojiPicker = function(header, body, footer, show) {\n        var container = getEmojiPickerContainer(footer);\n\n        if (show) {\n            container.removeClass('hidden');\n            container.attr('aria-hidden', false);\n            container.find(SELECTORS.EMOJI_PICKER_SEARCH_INPUT).focus();\n        } else {\n            container.addClass('hidden');\n            container.attr('aria-hidden', true);\n        }\n    };\n\n    /**\n     * Hide or show the emoji auto complete.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} show Should the emoji picker be visible.\n     */\n    var renderShowEmojiAutoComplete = function(header, body, footer, show) {\n        var container = getEmojiAutoCompleteContainer(footer);\n\n        if (show) {\n            container.removeClass('hidden');\n            container.attr('aria-hidden', false);\n        } else {\n            container.addClass('hidden');\n            container.attr('aria-hidden', true);\n        }\n    };\n\n    /**\n     * Show a confirmation dialogue\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {String} buttonSelectors Selectors for the buttons to show.\n     * @param {String} bodyText Text to show in dialogue.\n     * @param {String} headerText Text to show in dialogue header.\n     * @param {Bool} canCancel Can this dialogue be cancelled.\n     * @param {Bool} skipHeader Skip blanking out the header\n     * @param {Bool} showOk Show an 'Okay' button for a dialogue which will close it\n     */\n    var showConfirmDialogue = function(\n        header,\n        body,\n        footer,\n        buttonSelectors,\n        bodyText,\n        headerText,\n        canCancel,\n        skipHeader,\n        showOk\n    ) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var buttons = buttonSelectors.map(function(selector) {\n            return dialogue.find(selector);\n        });\n        var cancelButton = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_CANCEL_BUTTON);\n        var okayButton = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_OKAY_BUTTON);\n        var text = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_TEXT);\n        var dialogueHeader = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_HEADER);\n\n        dialogue.find('button').addClass('hidden');\n\n        if (canCancel) {\n            cancelButton.removeClass('hidden');\n        } else {\n            cancelButton.addClass('hidden');\n        }\n\n        if (showOk) {\n            okayButton.removeClass('hidden');\n        } else {\n            okayButton.addClass('hidden');\n        }\n\n        if (headerText) {\n            // Create the dialogue header.\n            dialogueHeader = $('<h3 class=\"h6\" data-region=\"dialogue-header\"></h3>');\n            dialogueHeader.text(headerText);\n            // Prepend it to the confirmation body.\n            var confirmDialogue = dialogue.find(SELECTORS.CONFIRM_DIALOGUE);\n            confirmDialogue.prepend(dialogueHeader);\n        } else if (dialogueHeader.length) {\n            // Header text is empty but dialogue header is present, so remove it.\n            dialogueHeader.remove();\n        }\n\n        buttons.forEach(function(button) {\n            button.removeClass('hidden');\n        });\n        text.text(bodyText);\n        showConfirmDialogueContainer(footer);\n        showConfirmDialogueContainer(body);\n\n        if (!skipHeader) {\n            showConfirmDialogueContainer(header);\n        }\n\n        dialogue.find(SELECTORS.CAN_RECEIVE_FOCUS).filter(':visible').first().focus();\n    };\n\n    /**\n     * Hide the dialogue\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @return {Bool} always true.\n     */\n    var hideConfirmDialogue = function(header, body, footer) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var cancelButton = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_CANCEL_BUTTON);\n        var okayButton = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_OKAY_BUTTON);\n        var text = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_TEXT);\n        var dialogueHeader = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_HEADER);\n\n        hideCheckDeleteDialogue(body);\n        hideConfirmDialogueContainer(body);\n        hideConfirmDialogueContainer(footer);\n        hideConfirmDialogueContainer(header);\n        dialogue.find('button').addClass('hidden');\n        cancelButton.removeClass('hidden');\n        okayButton.removeClass('hidden');\n        text.text('');\n\n        // Remove dialogue header if present.\n        if (dialogueHeader.length) {\n            dialogueHeader.remove();\n        }\n\n        header.find(SELECTORS.CAN_RECEIVE_FOCUS).first().focus();\n        return true;\n    };\n\n    /**\n     * Render the confirm block user dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} user User to block.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmBlockUser = function(header, body, footer, user) {\n        if (user) {\n            if (user.canmessageevenifblocked) {\n                return Str.get_string('cantblockuser', 'core_message', user.fullname)\n                    .then(function(string) {\n                        return showConfirmDialogue(header, body, footer, [], string, '', false, false, true);\n                    });\n            } else {\n                return Str.get_string('blockuserconfirm', 'core_message', user.fullname)\n                    .then(function(string) {\n                        return showConfirmDialogue(header, body, footer, [SELECTORS.ACTION_CONFIRM_BLOCK], string, '', true, false);\n                    });\n            }\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the confirm unblock user dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} user User to unblock.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmUnblockUser = function(header, body, footer, user) {\n        if (user) {\n            return Str.get_string('unblockuserconfirm', 'core_message', user.fullname)\n                .then(function(string) {\n                    return showConfirmDialogue(header, body, footer, [SELECTORS.ACTION_CONFIRM_UNBLOCK], string, '', true, false);\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the add user as contact dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} user User to add as contact.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmAddContact = function(header, body, footer, user) {\n        if (user) {\n            return Str.get_string('addcontactconfirm', 'core_message', user.fullname)\n                .then(function(string) {\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_CONFIRM_ADD_CONTACT],\n                        string,\n                        '',\n                        true,\n                        false\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the remove user from contacts dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} user User to remove from contacts.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmRemoveContact = function(header, body, footer, user) {\n        if (user) {\n            return Str.get_string('removecontactconfirm', 'core_message', user.fullname)\n                .then(function(string) {\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_CONFIRM_REMOVE_CONTACT],\n                        string,\n                        '',\n                        true,\n                        false\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the delete selected messages dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data If the dialogue should show and checkbox shows to delete message for all users.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmDeleteSelectedMessages = function(header, body, footer, data) {\n        var showmessage = null;\n        if (data.type == CONVERSATION_TYPES.SELF) {\n            // Message displayed to self-conversations is slighly different.\n            showmessage = 'deleteselectedmessagesconfirmselfconversation';\n        } else {\n            // This other message should be displayed.\n            if (data.canDeleteMessagesForAllUsers) {\n                showCheckDeleteDialogue(body);\n                showmessage = 'deleteforeveryoneselectedmessagesconfirm';\n            } else {\n                showmessage = 'deleteselectedmessagesconfirm';\n            }\n        }\n\n        if (data.show) {\n            return Str.get_string(showmessage, 'core_message')\n                .then(function(string) {\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES],\n                        string,\n                        '',\n                        true,\n                        false\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the confirm delete conversation dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {int|Null} type The conversation type to be removed.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmDeleteConversation = function(header, body, footer, type) {\n        var showmessage = null;\n        if (type == CONVERSATION_TYPES.SELF) {\n            // Message displayed to self-conversations is slighly different.\n            showmessage = 'deleteallselfconfirm';\n        } else if (type) {\n            // This other message should be displayed.\n            showmessage = 'deleteallconfirm';\n        }\n\n        if (showmessage) {\n            return Str.get_string(showmessage, 'core_message')\n                .then(function(string) {\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_CONFIRM_DELETE_CONVERSATION],\n                        string,\n                        '',\n                        true,\n                        false\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the confirm delete conversation dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} user The other user object.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmContactRequest = function(header, body, footer, user) {\n        if (user) {\n            return Str.get_string('userwouldliketocontactyou', 'core_message', user.fullname)\n                .then(function(string) {\n                    var buttonSelectors = [\n                        SELECTORS.ACTION_ACCEPT_CONTACT_REQUEST,\n                        SELECTORS.ACTION_DECLINE_CONTACT_REQUEST\n                    ];\n                    return showConfirmDialogue(header, body, footer, buttonSelectors, string, '', false, true);\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Show the checkbox to allow delete message for all.\n     *\n     * @param {Object} body The body container element.\n     */\n    var showCheckDeleteDialogue = function(body) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var checkboxRegion = dialogue.find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER);\n        checkboxRegion.removeClass('hidden');\n    };\n\n    /**\n     * Hide the checkbox to allow delete message for all.\n     *\n     * @param {Object} body The body container element.\n     */\n    var hideCheckDeleteDialogue = function(body) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var checkboxRegion = dialogue.find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER);\n        var checkbox = dialogue.find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE);\n        checkbox.prop('checked', false);\n        checkboxRegion.addClass('hidden');\n    };\n\n    /**\n     * Show or hide the block / unblock option in the header dropdown menu.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isBlocked is user blocked.\n     */\n    var renderIsBlocked = function(header, body, footer, isBlocked) {\n        if (isBlocked) {\n            header.find(SELECTORS.ACTION_REQUEST_BLOCK).addClass('hidden');\n            header.find(SELECTORS.ACTION_REQUEST_UNBLOCK).removeClass('hidden');\n        } else {\n            header.find(SELECTORS.ACTION_REQUEST_BLOCK).removeClass('hidden');\n            header.find(SELECTORS.ACTION_REQUEST_UNBLOCK).addClass('hidden');\n        }\n    };\n\n    /**\n     * Show or hide the favourite / unfavourite option in the header dropdown menu\n     * and the favourite star in the header title.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isFavourite is this conversation a favourite.\n     */\n    var renderIsFavourite = function(header, body, footer, state) {\n        var favouriteIcon = header.find(SELECTORS.FAVOURITE_ICON_CONTAINER);\n        var addFavourite = header.find(SELECTORS.ACTION_CONFIRM_FAVOURITE);\n        var removeFavourite = header.find(SELECTORS.ACTION_CONFIRM_UNFAVOURITE);\n\n        switch (state) {\n            case 'hide':\n                favouriteIcon.addClass('hidden');\n                addFavourite.addClass('hidden');\n                removeFavourite.addClass('hidden');\n                break;\n            case 'show-add':\n                favouriteIcon.addClass('hidden');\n                addFavourite.removeClass('hidden');\n                removeFavourite.addClass('hidden');\n                break;\n            case 'show-remove':\n                favouriteIcon.removeClass('hidden');\n                addFavourite.addClass('hidden');\n                removeFavourite.removeClass('hidden');\n                break;\n        }\n    };\n\n    /**\n     * Show or hide the mute / unmute option in the header dropdown menu\n     * and the muted icon in the header title.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {string} state The state of the conversation as defined by the patcher.\n     */\n    var renderIsMuted = function(header, body, footer, state) {\n        var muteIcon = header.find(SELECTORS.MUTED_ICON_CONTAINER);\n        var setMuted = header.find(SELECTORS.ACTION_CONFIRM_MUTE);\n        var unsetMuted = header.find(SELECTORS.ACTION_CONFIRM_UNMUTE);\n\n        switch (state) {\n            case 'hide':\n                muteIcon.addClass('hidden');\n                setMuted.addClass('hidden');\n                unsetMuted.addClass('hidden');\n                break;\n            case 'show-mute':\n                muteIcon.addClass('hidden');\n                setMuted.removeClass('hidden');\n                unsetMuted.addClass('hidden');\n                break;\n            case 'show-unmute':\n                muteIcon.removeClass('hidden');\n                setMuted.addClass('hidden');\n                unsetMuted.removeClass('hidden');\n                break;\n        }\n    };\n\n    /**\n     * Show or hide the add / remove user as contact option in the header dropdown menu.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} state the contact state.\n     */\n    var renderIsContact = function(header, body, footer, state) {\n        var addContact = header.find(SELECTORS.ACTION_REQUEST_ADD_CONTACT);\n        var removeContact = header.find(SELECTORS.ACTION_REQUEST_REMOVE_CONTACT);\n\n        switch (state) {\n            case 'pending-contact':\n                addContact.addClass('hidden');\n                removeContact.addClass('hidden');\n                break;\n            case 'contact':\n                addContact.addClass('hidden');\n                removeContact.removeClass('hidden');\n                break;\n            case 'non-contact':\n                addContact.removeClass('hidden');\n                removeContact.addClass('hidden');\n                break;\n        }\n    };\n\n    /**\n     * Show or hide confirm action from confirm dialogue is loading.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isLoading confirm action is loading.\n     */\n    var renderLoadingConfirmAction = function(header, body, footer, isLoading) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var buttons = dialogue.find('button');\n        var buttonText = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_BUTTON_TEXT);\n        var loadingIcon = dialogue.find(SELECTORS.LOADING_ICON_CONTAINER);\n\n        if (isLoading) {\n            buttons.prop('disabled', true);\n            buttonText.addClass('hidden');\n            loadingIcon.removeClass('hidden');\n        } else {\n            buttons.prop('disabled', false);\n            buttonText.removeClass('hidden');\n            loadingIcon.addClass('hidden');\n        }\n    };\n\n    /**\n     * Show or hide the header and footer content for edit mode.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} inEditMode In edit mode or not.\n     */\n    var renderInEditMode = function(header, body, footer, inEditMode) {\n        var messages = null;\n\n        if (inEditMode) {\n            messages = body.find(SELECTORS.MESSAGE_NOT_SELECTED);\n            messages.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).removeClass('hidden');\n            hideHeaderContent(header);\n            showHeaderEditMode(header);\n        } else {\n            messages = getMessagesContainer(body);\n            messages.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).addClass('hidden');\n            messages.find(SELECTORS.MESSAGE_SELECTED_ICON).addClass('hidden');\n            showHeaderContent(header);\n            hideHeaderEditMode(header);\n        }\n    };\n\n    /**\n     * Select or unselect messages.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data The messages to select or unselect.\n     */\n    var renderSelectedMessages = function(header, body, footer, data) {\n        var hasSelectedMessages = data.count > 0;\n\n        if (data.add.length) {\n            data.add.forEach(function(messageId) {\n                var message = getMessageElement(body, messageId);\n                message.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).addClass('hidden');\n                message.find(SELECTORS.MESSAGE_SELECTED_ICON).removeClass('hidden');\n                message.attr('aria-checked', true);\n            });\n        }\n\n        if (data.remove.length) {\n            data.remove.forEach(function(messageId) {\n                var message = getMessageElement(body, messageId);\n\n                if (hasSelectedMessages) {\n                    message.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).removeClass('hidden');\n                }\n\n                message.find(SELECTORS.MESSAGE_SELECTED_ICON).addClass('hidden');\n                message.attr('aria-checked', false);\n            });\n        }\n\n        setMessagesSelectedCount(header, data.count);\n    };\n\n    /**\n     * Show or hide the require add contact panel.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data Whether the user has to be added a a contact.\n     * @return {Object} jQuery promise\n     */\n    var renderRequireAddContact = function(header, body, footer, data) {\n        if (data.show && !data.hasMessages) {\n            return Str.get_strings([\n                    {\n                        key: 'requirecontacttomessage',\n                        component: 'core_message',\n                        param: data.user.fullname\n                    },\n                    {\n                        key: 'isnotinyourcontacts',\n                        component: 'core_message',\n                        param: data.user.fullname\n                    }\n                ])\n                .then(function(strings) {\n                    var title = strings[1];\n                    var text = strings[0];\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_REQUEST_ADD_CONTACT],\n                        text,\n                        title,\n                        false,\n                        true\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Show or hide the self-conversation message.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} displayMessage should the message be displayed?.\n     * @return {Object|true} jQuery promise\n     */\n    var renderSelfConversationMessage = function(header, body, footer, displayMessage) {\n        var container = getSelfConversationMessageContainer(body);\n        if (displayMessage) {\n            container.removeClass('hidden');\n        } else {\n            container.addClass('hidden');\n        }\n        return true;\n    };\n\n    /**\n     * Show or hide the require add contact panel.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} userFullName Full name of the other user.\n     * @return {Object|true} jQuery promise\n     */\n    var renderContactRequestSent = function(header, body, footer, userFullName) {\n        var container = getContactRequestSentContainer(body);\n        if (userFullName) {\n            return Str.get_string('yourcontactrequestpending', 'core_message', userFullName)\n                .then(function(string) {\n                    container.find(SELECTORS.TEXT).text(string);\n                    container.removeClass('hidden');\n                    return string;\n                });\n        } else {\n            container.addClass('hidden');\n            return true;\n        }\n    };\n\n    /**\n     * Reset the UI to the initial state.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @return {Bool}\n     */\n    var renderReset = function(header, body, footer) {\n        hideConfirmDialogue(header, body, footer);\n        hideContactRequestSentContainer(body);\n        hideSelfConversationMessageContainer(body);\n        hideAllHeaderElements(header);\n        showHeaderPlaceholder(header);\n        hideAllFooterElements(footer);\n        showFooterPlaceholder(footer);\n        return true;\n    };\n\n    var render = function(header, body, footer, patch) {\n        var configs = [\n            {\n                // Resetting the UI needs to come first, if it's required.\n                reset: renderReset\n            },\n            {\n                // Any async rendering (stuff that requires templates, strings etc) should\n                // go in here.\n                conversation: renderConversation,\n                header: renderHeader,\n                footer: renderFooter,\n                confirmBlockUser: renderConfirmBlockUser,\n                confirmUnblockUser: renderConfirmUnblockUser,\n                confirmAddContact: renderConfirmAddContact,\n                confirmRemoveContact: renderConfirmRemoveContact,\n                confirmDeleteSelectedMessages: renderConfirmDeleteSelectedMessages,\n                confirmDeleteConversation: renderConfirmDeleteConversation,\n                confirmContactRequest: renderConfirmContactRequest,\n                requireAddContact: renderRequireAddContact,\n                selfConversationMessage: renderSelfConversationMessage,\n                contactRequestSent: renderContactRequestSent\n            },\n            {\n                loadingMembers: renderLoadingMembers,\n                loadingFirstMessages: renderLoadingFirstMessages,\n                loadingMessages: renderLoadingMessages,\n                isBlocked: renderIsBlocked,\n                isContact: renderIsContact,\n                isFavourite: renderIsFavourite,\n                isMuted: renderIsMuted,\n                loadingConfirmAction: renderLoadingConfirmAction,\n                inEditMode: renderInEditMode,\n                showEmojiPicker: renderShowEmojiPicker,\n                showEmojiAutoComplete: renderShowEmojiAutoComplete,\n            },\n            {\n                // Scrolling should be last to make sure everything\n                // on the page is visible.\n                scrollToMessage: renderScrollToMessage,\n                selectedMessages: renderSelectedMessages\n            }\n        ];\n        // Helper function to process each of the configs above.\n        var processConfig = function(config) {\n            var results = [];\n\n            for (var key in patch) {\n                if (config.hasOwnProperty(key)) {\n                    var renderFunc = config[key];\n                    var patchValue = patch[key];\n                    results.push(renderFunc(header, body, footer, patchValue));\n                }\n            }\n\n            return results;\n        };\n\n        // The first config is special because it resets the UI.\n        var renderingPromises = processConfig(configs[0]);\n        // The second config is special because it contains async rendering.\n        renderingPromises = renderingPromises.concat(processConfig(configs[1]));\n\n        // Wait for the async rendering to complete before processing the\n        // rest of the configs, in order.\n        return $.when.apply($, renderingPromises)\n            .then(function() {\n                for (var i = 2; i < configs.length; i++) {\n                    processConfig(configs[i]);\n                }\n\n                return;\n            })\n            .catch(Notification.exception);\n    };\n\n    return {\n        render: render,\n    };\n});\n"],"file":"message_drawer_view_conversation_renderer.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_conversation_renderer.min.js","sources":["../src/message_drawer_view_conversation_renderer.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module updates the UI for the conversation page in the message\n * drawer.\n *\n * The module will take a patch from the message_drawer_view_conversation_patcher\n * module and update the UI to reflect the changes.\n *\n * This is the only module that ever modifies the UI of the conversation page.\n *\n * @module     core_message/message_drawer_view_conversation_renderer\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/str',\n    'core/templates',\n    'core/user_date',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    Notification,\n    Str,\n    Templates,\n    UserDate,\n    Constants\n) {\n    var SELECTORS = Constants.SELECTORS;\n    var TEMPLATES = Constants.TEMPLATES;\n    var CONVERSATION_TYPES = Constants.CONVERSATION_TYPES;\n\n    /**\n     * Get the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.CONTENT_MESSAGES_CONTAINER);\n    };\n\n    /**\n     * Show the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var showMessagesContainer = function(body) {\n        getMessagesContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var hideMessagesContainer = function(body) {\n        getMessagesContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the self-conversation message container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getSelfConversationMessageContainer = function(body) {\n        return body.find(SELECTORS.SELF_CONVERSATION_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Hide the self-conversation message container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var hideSelfConversationMessageContainer = function(body) {\n        return getSelfConversationMessageContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the contact request sent container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var getContactRequestSentContainer = function(body) {\n        return body.find(SELECTORS.CONTACT_REQUEST_SENT_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Hide the contact request sent container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The messages container element.\n     */\n    var hideContactRequestSentContainer = function(body) {\n        return getContactRequestSentContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the footer container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer container element.\n     */\n    var getFooterContentContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_CONTAINER);\n    };\n\n    /**\n     * Show the footer container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterContent = function(footer) {\n        getFooterContentContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterContent = function(footer) {\n        getFooterContentContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer edit mode container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer container element.\n     */\n    var getFooterEditModeContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_EDIT_MODE_CONTAINER);\n    };\n\n    /**\n     * Show the footer edit mode container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterEditMode = function(footer) {\n        getFooterEditModeContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer edit mode container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterEditMode = function(footer) {\n        getFooterEditModeContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer placeholder.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer placeholder container element.\n     */\n    var getFooterPlaceholderContainer = function(footer) {\n        return footer.find(SELECTORS.PLACEHOLDER_CONTAINER);\n    };\n\n    /**\n     * Show the footer placeholder\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterPlaceholder = function(footer) {\n        getFooterPlaceholderContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer placeholder\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterPlaceholder = function(footer) {\n        getFooterPlaceholderContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer Require add as contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer Require add as contact container element.\n     */\n    var getFooterRequireContactContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_REQUIRE_CONTACT_CONTAINER);\n    };\n\n    /**\n     * Show the footer add as contact dialogue.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterRequireContact = function(footer) {\n        getFooterRequireContactContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer add as contact dialogue.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterRequireContact = function(footer) {\n        getFooterRequireContactContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer Required to unblock contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer Required to unblock contact container element.\n     */\n    var getFooterRequireUnblockContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_REQUIRE_UNBLOCK_CONTAINER);\n    };\n\n    /**\n     * Show the footer Required to unblock contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterRequireUnblock = function(footer) {\n        getFooterRequireUnblockContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer Required to unblock contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterRequireUnblock = function(footer) {\n        getFooterRequireUnblockContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Get the footer Unable to message contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The footer Unable to message contact container element.\n     */\n    var getFooterUnableToMessageContainer = function(footer) {\n        return footer.find(SELECTORS.CONTENT_MESSAGES_FOOTER_UNABLE_TO_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Show the footer Unable to message contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var showFooterUnableToMessage = function(footer) {\n        getFooterUnableToMessageContainer(footer).removeClass('hidden');\n    };\n\n    /**\n     * Hide the footer Unable to message contact container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideFooterUnableToMessage = function(footer) {\n        getFooterUnableToMessageContainer(footer).addClass('hidden');\n    };\n\n    /**\n     * Hide all header elements.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var hideAllHeaderElements = function(header) {\n        hideHeaderContent(header);\n        hideHeaderEditMode(header);\n        hideHeaderPlaceholder(header);\n    };\n\n    /**\n     * Hide all footer dialogues and messages.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     */\n    var hideAllFooterElements = function(footer) {\n        hideFooterContent(footer);\n        hideFooterEditMode(footer);\n        hideFooterPlaceholder(footer);\n        hideFooterRequireContact(footer);\n        hideFooterRequireUnblock(footer);\n        hideFooterUnableToMessage(footer);\n    };\n\n    /**\n     * Get the content placeholder container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The body placeholder container element.\n     */\n    var getContentPlaceholderContainer = function(body) {\n        return body.find(SELECTORS.CONTENT_PLACEHOLDER_CONTAINER);\n    };\n\n    /**\n     * Show the content placeholder.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var showContentPlaceholder = function(body) {\n        getContentPlaceholderContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the content placeholder.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var hideContentPlaceholder = function(body) {\n        getContentPlaceholderContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the header content container element.\n     *\n     * @param  {Object} header Conversation header container element.\n     * @return {Object} The header content container element.\n     */\n    var getHeaderContent = function(header) {\n        return header.find(SELECTORS.HEADER);\n    };\n\n    /**\n     * Show the header content.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var showHeaderContent = function(header) {\n        getHeaderContent(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the header content.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var hideHeaderContent = function(header) {\n        getHeaderContent(header).addClass('hidden');\n    };\n\n    /**\n     * Get the header edit mode container element.\n     *\n     * @param  {Object} header Conversation header container element.\n     * @return {Object} The header content container element.\n     */\n    var getHeaderEditMode = function(header) {\n        return header.find(SELECTORS.HEADER_EDIT_MODE);\n    };\n\n    /**\n     * Show the header edit mode container.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var showHeaderEditMode = function(header) {\n        getHeaderEditMode(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the header edit mode container.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var hideHeaderEditMode = function(header) {\n        getHeaderEditMode(header).addClass('hidden');\n    };\n\n    /**\n     * Get the header placeholder container element.\n     *\n     * @param  {Object} header Conversation header container element.\n     * @return {Object} The header placeholder container element.\n     */\n    var getHeaderPlaceholderContainer = function(header) {\n        return header.find(SELECTORS.HEADER_PLACEHOLDER_CONTAINER);\n    };\n\n    /**\n     * Show the header placeholder.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var showHeaderPlaceholder = function(header) {\n        getHeaderPlaceholderContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the header placeholder.\n     *\n     * @param  {Object} header Conversation header container element.\n     */\n    var hideHeaderPlaceholder = function(header) {\n        getHeaderPlaceholderContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Get the emoji picker container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The emoji picker container element.\n     */\n    var getEmojiPickerContainer = function(footer) {\n        return footer.find(SELECTORS.EMOJI_PICKER_CONTAINER);\n    };\n\n    /**\n     * Get the emoji picker container element.\n     *\n     * @param  {Object} footer Conversation footer container element.\n     * @return {Object} The emoji picker container element.\n     */\n    var getEmojiAutoCompleteContainer = function(footer) {\n        return footer.find(SELECTORS.EMOJI_AUTO_COMPLETE_CONTAINER);\n    };\n\n    /**\n     * Get a message element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number} messageId the Message id.\n     * @return {Object} A message element from the conversation.\n     */\n    var getMessageElement = function(body, messageId) {\n        var messagesContainer = getMessagesContainer(body);\n        return messagesContainer.find('[data-message-id=\"' + messageId + '\"]');\n    };\n\n    /**\n     * Get the day container element. The day container element holds a list of messages for that day.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @param  {Number} dayTimeCreated Midnight timestamp for the day.\n     * @return {Object} jQuery object\n     */\n    var getDayElement = function(body, dayTimeCreated) {\n        var messagesContainer = getMessagesContainer(body);\n        return messagesContainer.find('[data-day-id=\"' + dayTimeCreated + '\"]');\n    };\n\n    /**\n     * Get the more messages loading icon container element.\n     *\n     * @param  {Object} body Conversation body container element.\n     * @return {Object} The more messages loading container element.\n     */\n    var getMoreMessagesLoadingIconContainer = function(body) {\n        return body.find(SELECTORS.MORE_MESSAGES_LOADING_ICON_CONTAINER);\n    };\n\n    /**\n     * Show the more messages loading icon.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var showMoreMessagesLoadingIcon = function(body) {\n        getMoreMessagesLoadingIconContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the more messages loading icon.\n     *\n     * @param  {Object} body Conversation body container element.\n     */\n    var hideMoreMessagesLoadingIcon = function(body) {\n        getMoreMessagesLoadingIconContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Get the confirm dialogue container element.\n     *\n     * @param  {Object} root The container element to search.\n     * @return {Object} The confirm dialogue container element.\n     */\n    var getConfirmDialogueContainer = function(root) {\n        return root.find(SELECTORS.CONFIRM_DIALOGUE_CONTAINER);\n    };\n\n    /**\n     * Show the confirm dialogue container element.\n     *\n     * @param  {Object} root The container element containing a dialogue.\n     */\n    var showConfirmDialogueContainer = function(root) {\n        var container = getConfirmDialogueContainer(root);\n        var siblings = container.siblings(':not(.hidden)');\n        siblings.attr('aria-hidden', true);\n        siblings.attr('tabindex', -1);\n        siblings.attr('data-confirm-dialogue-hidden', true);\n\n        container.removeClass('hidden');\n    };\n\n    /**\n     * Hide the confirm dialogue container element.\n     *\n     * @param  {Object} root The container element containing a dialogue.\n     */\n    var hideConfirmDialogueContainer = function(root) {\n        var container = getConfirmDialogueContainer(root);\n        var siblings = container.siblings('[data-confirm-dialogue-hidden=\"true\"]');\n        siblings.removeAttr('aria-hidden');\n        siblings.removeAttr('tabindex');\n        siblings.removeAttr('data-confirm-dialogue-hidden');\n\n        container.addClass('hidden');\n    };\n\n    /**\n     * Set the number of selected messages.\n     *\n     * @param {Object} header The header container element.\n     * @param {Number} value The new number to display.\n     */\n    var setMessagesSelectedCount = function(header, value) {\n        getHeaderEditMode(header).find(SELECTORS.MESSAGES_SELECTED_COUNT).text(value);\n    };\n\n    /**\n     * Format message for the mustache template, transform camelCase properties to lowercase properties.\n     *\n     * @param  {Array} messages Array of message objects.\n     * @param  {Object} datesCache Cache timestamps and their formatted date string.\n     * @return {Array} Messages formated for mustache template.\n     */\n    var formatMessagesForTemplate = function(messages, datesCache) {\n        return messages.map(function(message) {\n            return {\n                id: message.id,\n                isread: message.isRead,\n                fromloggedinuser: message.fromLoggedInUser,\n                userfrom: message.userFrom,\n                text: message.text,\n                formattedtime: message.timeCreated ? datesCache[message.timeCreated] : null\n            };\n        });\n    };\n\n    /**\n     * Create rendering promises for each day containing messages.\n     *\n     * @param  {Object} header The header container element.\n     * @param  {Object} body The body container element.\n     * @param  {Object} footer The footer container element.\n     * @param  {Array} days Array of days containing messages.\n     * @param  {Object} datesCache Cache timestamps and their formatted date string.\n     * @return {Promise} Days rendering promises.\n     */\n    var renderAddDays = function(header, body, footer, days, datesCache) {\n        var messagesContainer = getMessagesContainer(body);\n        var daysRenderPromises = days.map(function(data) {\n            return Templates.render(TEMPLATES.DAY, {\n                timestamp: data.value.timestamp,\n                messages: formatMessagesForTemplate(data.value.messages, datesCache)\n            });\n        });\n\n        return $.when.apply($, daysRenderPromises).then(function() {\n            // Wait until all of the rendering is done for each of the days\n            // to ensure they are added to the page in the correct order.\n            days.forEach(function(data, index) {\n                daysRenderPromises[index]\n                    .then(function(html) {\n                        if (data.before) {\n                            var element = getDayElement(body, data.before.timestamp);\n                            return $(html).insertBefore(element);\n                        } else {\n                            return messagesContainer.append(html);\n                        }\n                    })\n                    .catch(function() {\n                        // Fail silently.\n                    });\n            });\n\n            return;\n        });\n    };\n\n    /**\n     * Add (more) messages to day containers.\n     *\n     * @param  {Object} header The header container element.\n     * @param  {Object} body The body container element.\n     * @param  {Object} footer The footer container element.\n     * @param  {Array} messages List of messages.\n     * @param  {Object} datesCache Cache timestamps and their formatted date string.\n     * @return {Promise} Messages rendering promises.\n     */\n    var renderAddMessages = function(header, body, footer, messages, datesCache) {\n        var messagesData = messages.map(function(data) {\n            return data.value;\n        });\n        var formattedMessages = formatMessagesForTemplate(messagesData, datesCache);\n\n        return Templates.render(TEMPLATES.MESSAGES, {messages: formattedMessages})\n            .then(function(html) {\n                var messageList = $(html);\n                messages.forEach(function(data) {\n                    var messageHtml = messageList.find('[data-message-id=\"' + data.value.id + '\"]');\n                    if (data.before) {\n                        var element = getMessageElement(body, data.before.id);\n                        return messageHtml.insertBefore(element);\n                    } else {\n                        var dayContainer = getDayElement(body, data.day.timestamp);\n                        var dayMessagesContainer = dayContainer.find(SELECTORS.DAY_MESSAGES_CONTAINER);\n                        return dayMessagesContainer.append(messageHtml);\n                    }\n                });\n\n                return;\n            });\n    };\n\n    /**\n     * Update existing messages.\n     *\n     * @param  {Object} header The header container element.\n     * @param  {Object} body The body container element.\n     * @param  {Object} footer The footer container element.\n     * @param  {Array} messages List of messages.\n     * @param  {Object} datesCache Cache timestamps and their formatted date string.\n     */\n    var renderUpdateMessages = function(header, body, footer, messages, datesCache) {\n        messages.forEach(function(message) {\n            var before = message.before;\n            var after = message.after;\n            var element = getMessageElement(body, before.id);\n\n            if (before.id != after.id) {\n                element.attr('data-message-id', after.id);\n            }\n\n            if (before.timeCreated != after.timeCreated) {\n                var formattedTime = datesCache[after.timeCreated];\n                element.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n                element.find(SELECTORS.TIME_CREATED).text(formattedTime).removeClass('hidden');\n            }\n\n            if (before.sendState != after.sendState) {\n                var loading = element.find(SELECTORS.LOADING_ICON_CONTAINER);\n                var time = element.find(SELECTORS.TIME_CREATED);\n                var retry = element.find(SELECTORS.RETRY_SEND);\n\n                loading.addClass('hidden');\n                loading.attr('aria-hidden', 'true');\n                time.addClass('hidden');\n                time.attr('aria-hidden', 'true');\n                retry.addClass('hidden');\n                retry.attr('aria-hidden', 'true');\n                element.removeClass('border border-danger');\n\n                switch (after.sendState) {\n                    case 'pending':\n                        loading.removeClass('hidden');\n                        loading.attr('aria-hidden', 'false');\n                        break;\n                    case 'error':\n                        retry.removeClass('hidden');\n                        retry.attr('aria-hidden', 'false');\n                        element.addClass('border border-danger');\n                        break;\n                    case 'sent':\n                        time.removeClass('hidden');\n                        time.attr('aria-hidden', 'false');\n                        break;\n                }\n            }\n\n            if (before.text != after.text) {\n                element.find(SELECTORS.TEXT_CONTAINER).html(after.text);\n            }\n\n            if (before.errorMessage != after.errorMessage) {\n                var messageContainer = element.find(SELECTORS.ERROR_MESSAGE_CONTAINER);\n                var message = messageContainer.find(SELECTORS.ERROR_MESSAGE);\n\n                if (after.errorMessage) {\n                    messageContainer.removeClass('hidden');\n                    messageContainer.attr('aria-hidden', 'false');\n                    message.text(after.errorMessage);\n                } else {\n                    messageContainer.addClass('hidden');\n                    messageContainer.attr('aria-hidden', 'true');\n                    message.text('');\n                }\n            }\n        });\n    };\n\n    /**\n     * Remove days from conversation.\n     *\n     * @param  {Object} body The body container element.\n     * @param  {Array} days Array of days to be removed.\n     */\n    var renderRemoveDays = function(body, days) {\n        days.forEach(function(data) {\n            getDayElement(body, data.timestamp).remove();\n        });\n    };\n\n    /**\n     * Remove messages from conversation.\n     *\n     * @param  {Object} body The body container element.\n     * @param  {Array} messages Array of messages to be removed.\n     */\n    var renderRemoveMessages = function(body, messages) {\n        messages.forEach(function(data) {\n            getMessageElement(body, data.id).remove();\n        });\n    };\n\n    /**\n     * Render the full conversation base on input from the statemanager.\n     *\n     * This will pre-load all of the formatted timestamps for each message that\n     * needs to render to reduce the number of networks requests.\n     *\n     * @param  {Object} header The header container element.\n     * @param  {Object} body The body container element.\n     * @param  {Object} footer The footer container element.\n     * @param  {Object} data The conversation diff.\n     * @return {Object} jQuery promise.\n     */\n    var renderConversation = function(header, body, footer, data) {\n        var renderingPromises = [];\n        var hasAddDays = data.days.add.length > 0;\n        var hasAddMessages = data.messages.add.length > 0;\n        var hasUpdateMessages = data.messages.update.length > 0;\n        var timestampsToFormat = [];\n        var datesCachePromise = $.Deferred().resolve({}).promise();\n\n        if (hasAddDays) {\n            // Search for all of the timeCreated values in all of the messages in all of\n            // the days that we need to render.\n            timestampsToFormat = timestampsToFormat.concat(data.days.add.reduce(function(carry, day) {\n                return carry.concat(day.value.messages.reduce(function(timestamps, message) {\n                    if (message.timeCreated) {\n                        timestamps.push(message.timeCreated);\n                    }\n                    return timestamps;\n                }, []));\n            }, []));\n        }\n\n        if (hasAddMessages) {\n            // Search for all of the timeCreated values in all of the messages that we\n            // need to render.\n            timestampsToFormat = timestampsToFormat.concat(data.messages.add.reduce(function(timestamps, message) {\n                if (message.value.timeCreated) {\n                    timestamps.push(message.value.timeCreated);\n                }\n                return timestamps;\n            }, []));\n        }\n\n        if (hasUpdateMessages) {\n            timestampsToFormat = timestampsToFormat.concat(data.messages.update.reduce(function(timestamps, message) {\n                if (message.before.timeCreated != message.after.timeCreated) {\n                    timestamps.push(message.after.timeCreated);\n                }\n                return timestamps;\n            }, []));\n        }\n\n        if (timestampsToFormat.length) {\n            // If we have timestamps then pre-load the formatted version of each of them\n            // in a single request to the server. This saves the templates doing multiple\n            // individual requests.\n            datesCachePromise = Str.get_string('strftimetime24', 'core_langconfig')\n                .then(function(format) {\n                    var requests = timestampsToFormat.map(function(timestamp) {\n                        return {\n                            timestamp: timestamp,\n                            format: format\n                        };\n                    });\n\n                    return UserDate.get(requests);\n                })\n                .then(function(formattedTimes) {\n                    return timestampsToFormat.reduce(function(carry, timestamp, index) {\n                        carry[timestamp] = formattedTimes[index];\n                        return carry;\n                    }, {});\n                });\n        }\n\n        if (hasAddDays) {\n            renderingPromises.push(datesCachePromise.then(function(datesCache) {\n                return renderAddDays(header, body, footer, data.days.add, datesCache);\n            }));\n        }\n\n        if (hasAddMessages) {\n            renderingPromises.push(datesCachePromise.then(function(datesCache) {\n                return renderAddMessages(header, body, footer, data.messages.add, datesCache);\n            }));\n        }\n\n        if (hasUpdateMessages) {\n            renderingPromises.push(datesCachePromise.then(function(datesCache) {\n                return renderUpdateMessages(header, body, footer, data.messages.update, datesCache);\n            }));\n        }\n\n        if (data.days.remove.length > 0) {\n            renderRemoveDays(body, data.days.remove);\n        }\n\n        if (data.messages.remove.length > 0) {\n            renderRemoveMessages(body, data.messages.remove);\n        }\n\n        return $.when.apply($, renderingPromises);\n    };\n\n    /**\n     * Render the conversation header.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data Data for header.\n     * @return {Object} jQuery promise\n     */\n    var renderHeader = function(header, body, footer, data) {\n        var headerContainer = getHeaderContent(header);\n        var template = TEMPLATES.HEADER_PUBLIC;\n        data.context.showrouteback = (header.attr('data-from-panel') === \"false\");\n        if (data.type == CONVERSATION_TYPES.PRIVATE) {\n            template = data.showControls ? TEMPLATES.HEADER_PRIVATE : TEMPLATES.HEADER_PRIVATE_NO_CONTROLS;\n        } else if (data.type == CONVERSATION_TYPES.SELF) {\n            template = TEMPLATES.HEADER_SELF;\n        }\n\n        return Templates.render(template, data.context)\n            .then(function(html, js) {\n                Templates.replaceNodeContents(headerContainer, html, js);\n                return;\n            });\n    };\n\n    /**\n     * Render the conversation footer.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data Data for footer.\n     * @return {Object} jQuery promise.\n     */\n    var renderFooter = function(header, body, footer, data) {\n        hideAllFooterElements(footer);\n\n        switch (data.type) {\n            case 'placeholder':\n                return showFooterPlaceholder(footer);\n            case 'add-contact':\n                return Str.get_strings([\n                        {\n                            key: 'requirecontacttomessage',\n                            component: 'core_message',\n                            param: data.user.fullname\n                        },\n                        {\n                            key: 'isnotinyourcontacts',\n                            component: 'core_message',\n                            param: data.user.fullname\n                        }\n                    ])\n                    .then(function(strings) {\n                        var title = strings[1];\n                        var text = strings[0];\n                        var footerContainer = getFooterRequireContactContainer(footer);\n                        footerContainer.find(SELECTORS.TITLE).text(title);\n                        footerContainer.find(SELECTORS.TEXT).text(text);\n                        showFooterRequireContact(footer);\n                        return strings;\n                    });\n            case 'edit-mode':\n                return showFooterEditMode(footer);\n            case 'content':\n                return showFooterContent(footer);\n            case 'unblock':\n                return showFooterRequireUnblock(footer);\n            case 'unable-to-message':\n                return showFooterUnableToMessage(footer);\n        }\n\n        return true;\n    };\n\n    /**\n     * Scroll to a message in the conversation.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Number} messageId Message id.\n     */\n    var renderScrollToMessage = function(header, body, footer, messageId) {\n        var messagesContainer = getMessagesContainer(body);\n        var messageElement = getMessageElement(body, messageId);\n        var position = messageElement.position();\n        // Scroll the message container down to the top of the message element.\n        if (position) {\n            var scrollTop = messagesContainer.scrollTop() + position.top;\n            messagesContainer.scrollTop(scrollTop);\n        }\n    };\n\n    /**\n     * Hide or show the conversation header.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isLoadingMembers Members loading.\n     */\n    var renderLoadingMembers = function(header, body, footer, isLoadingMembers) {\n        if (isLoadingMembers) {\n            hideHeaderContent(header);\n            showHeaderPlaceholder(header);\n        } else {\n            showHeaderContent(header);\n            hideHeaderPlaceholder(header);\n        }\n    };\n\n    /**\n     * Hide or show loading conversation messages.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isLoadingFirstMessages Messages loading.\n     */\n    var renderLoadingFirstMessages = function(header, body, footer, isLoadingFirstMessages) {\n        if (isLoadingFirstMessages) {\n            hideMessagesContainer(body);\n            showContentPlaceholder(body);\n        } else {\n            showMessagesContainer(body);\n            hideContentPlaceholder(body);\n        }\n    };\n\n    /**\n     * Hide or show loading more messages.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isLoading Messages loading.\n     */\n    var renderLoadingMessages = function(header, body, footer, isLoading) {\n        if (isLoading) {\n            showMoreMessagesLoadingIcon(body);\n        } else {\n            hideMoreMessagesLoadingIcon(body);\n        }\n    };\n\n    /**\n     * Hide or show the emoji picker.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} show Should the emoji picker be visible.\n     */\n    var renderShowEmojiPicker = function(header, body, footer, show) {\n        var container = getEmojiPickerContainer(footer);\n\n        if (show) {\n            container.removeClass('hidden');\n            container.attr('aria-hidden', false);\n            container.find(SELECTORS.EMOJI_PICKER_SEARCH_INPUT).focus();\n        } else {\n            container.addClass('hidden');\n            container.attr('aria-hidden', true);\n        }\n    };\n\n    /**\n     * Hide or show the emoji auto complete.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} show Should the emoji picker be visible.\n     */\n    var renderShowEmojiAutoComplete = function(header, body, footer, show) {\n        var container = getEmojiAutoCompleteContainer(footer);\n\n        if (show) {\n            container.removeClass('hidden');\n            container.attr('aria-hidden', false);\n        } else {\n            container.addClass('hidden');\n            container.attr('aria-hidden', true);\n        }\n    };\n\n    /**\n     * Show a confirmation dialogue\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {String} buttonSelectors Selectors for the buttons to show.\n     * @param {String} bodyText Text to show in dialogue.\n     * @param {String} headerText Text to show in dialogue header.\n     * @param {Bool} canCancel Can this dialogue be cancelled.\n     * @param {Bool} skipHeader Skip blanking out the header\n     * @param {Bool} showOk Show an 'Okay' button for a dialogue which will close it\n     */\n    var showConfirmDialogue = function(\n        header,\n        body,\n        footer,\n        buttonSelectors,\n        bodyText,\n        headerText,\n        canCancel,\n        skipHeader,\n        showOk\n    ) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var buttons = buttonSelectors.map(function(selector) {\n            return dialogue.find(selector);\n        });\n        var cancelButton = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_CANCEL_BUTTON);\n        var okayButton = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_OKAY_BUTTON);\n        var text = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_TEXT);\n        var dialogueHeader = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_HEADER);\n\n        dialogue.find('button').addClass('hidden');\n\n        if (canCancel) {\n            cancelButton.removeClass('hidden');\n        } else {\n            cancelButton.addClass('hidden');\n        }\n\n        if (showOk) {\n            okayButton.removeClass('hidden');\n        } else {\n            okayButton.addClass('hidden');\n        }\n\n        if (headerText) {\n            // Create the dialogue header.\n            dialogueHeader = $('<h3 class=\"h6\" data-region=\"dialogue-header\"></h3>');\n            dialogueHeader.text(headerText);\n            // Prepend it to the confirmation body.\n            var confirmDialogue = dialogue.find(SELECTORS.CONFIRM_DIALOGUE);\n            confirmDialogue.prepend(dialogueHeader);\n        } else if (dialogueHeader.length) {\n            // Header text is empty but dialogue header is present, so remove it.\n            dialogueHeader.remove();\n        }\n\n        buttons.forEach(function(button) {\n            button.removeClass('hidden');\n        });\n        text.text(bodyText);\n        showConfirmDialogueContainer(footer);\n        showConfirmDialogueContainer(body);\n\n        if (!skipHeader) {\n            showConfirmDialogueContainer(header);\n        }\n\n        dialogue.find(SELECTORS.CAN_RECEIVE_FOCUS).filter(':visible').first().focus();\n    };\n\n    /**\n     * Hide the dialogue\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @return {Bool} always true.\n     */\n    var hideConfirmDialogue = function(header, body, footer) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var cancelButton = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_CANCEL_BUTTON);\n        var okayButton = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_OKAY_BUTTON);\n        var text = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_TEXT);\n        var dialogueHeader = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_HEADER);\n\n        hideCheckDeleteDialogue(body);\n        hideConfirmDialogueContainer(body);\n        hideConfirmDialogueContainer(footer);\n        hideConfirmDialogueContainer(header);\n        dialogue.find('button').addClass('hidden');\n        cancelButton.removeClass('hidden');\n        okayButton.removeClass('hidden');\n        text.text('');\n\n        // Remove dialogue header if present.\n        if (dialogueHeader.length) {\n            dialogueHeader.remove();\n        }\n\n        header.find(SELECTORS.CAN_RECEIVE_FOCUS).first().focus();\n        return true;\n    };\n\n    /**\n     * Render the confirm block user dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} user User to block.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmBlockUser = function(header, body, footer, user) {\n        if (user) {\n            if (user.canmessageevenifblocked) {\n                return Str.get_string('cantblockuser', 'core_message', user.fullname)\n                    .then(function(string) {\n                        return showConfirmDialogue(header, body, footer, [], string, '', false, false, true);\n                    });\n            } else {\n                return Str.get_string('blockuserconfirm', 'core_message', user.fullname)\n                    .then(function(string) {\n                        return showConfirmDialogue(header, body, footer, [SELECTORS.ACTION_CONFIRM_BLOCK], string, '', true, false);\n                    });\n            }\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the confirm unblock user dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} user User to unblock.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmUnblockUser = function(header, body, footer, user) {\n        if (user) {\n            return Str.get_string('unblockuserconfirm', 'core_message', user.fullname)\n                .then(function(string) {\n                    return showConfirmDialogue(header, body, footer, [SELECTORS.ACTION_CONFIRM_UNBLOCK], string, '', true, false);\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the add user as contact dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} user User to add as contact.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmAddContact = function(header, body, footer, user) {\n        if (user) {\n            return Str.get_string('addcontactconfirm', 'core_message', user.fullname)\n                .then(function(string) {\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_CONFIRM_ADD_CONTACT],\n                        string,\n                        '',\n                        true,\n                        false\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the remove user from contacts dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} user User to remove from contacts.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmRemoveContact = function(header, body, footer, user) {\n        if (user) {\n            return Str.get_string('removecontactconfirm', 'core_message', user.fullname)\n                .then(function(string) {\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_CONFIRM_REMOVE_CONTACT],\n                        string,\n                        '',\n                        true,\n                        false\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the delete selected messages dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data If the dialogue should show and checkbox shows to delete message for all users.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmDeleteSelectedMessages = function(header, body, footer, data) {\n        var showmessage = null;\n        if (data.type == CONVERSATION_TYPES.SELF) {\n            // Message displayed to self-conversations is slighly different.\n            showmessage = 'deleteselectedmessagesconfirmselfconversation';\n        } else {\n            // This other message should be displayed.\n            if (data.canDeleteMessagesForAllUsers) {\n                showCheckDeleteDialogue(body);\n                showmessage = 'deleteforeveryoneselectedmessagesconfirm';\n            } else {\n                showmessage = 'deleteselectedmessagesconfirm';\n            }\n        }\n\n        if (data.show) {\n            return Str.get_string(showmessage, 'core_message')\n                .then(function(string) {\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_CONFIRM_DELETE_SELECTED_MESSAGES],\n                        string,\n                        '',\n                        true,\n                        false\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the confirm delete conversation dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {int|Null} type The conversation type to be removed.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmDeleteConversation = function(header, body, footer, type) {\n        var showmessage = null;\n        if (type == CONVERSATION_TYPES.SELF) {\n            // Message displayed to self-conversations is slighly different.\n            showmessage = 'deleteallselfconfirm';\n        } else if (type) {\n            // This other message should be displayed.\n            showmessage = 'deleteallconfirm';\n        }\n\n        if (showmessage) {\n            return Str.get_string(showmessage, 'core_message')\n                .then(function(string) {\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_CONFIRM_DELETE_CONVERSATION],\n                        string,\n                        '',\n                        true,\n                        false\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Render the confirm delete conversation dialogue.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} user The other user object.\n     * @return {Object} jQuery promise\n     */\n    var renderConfirmContactRequest = function(header, body, footer, user) {\n        if (user) {\n            return Str.get_string('userwouldliketocontactyou', 'core_message', user.fullname)\n                .then(function(string) {\n                    var buttonSelectors = [\n                        SELECTORS.ACTION_ACCEPT_CONTACT_REQUEST,\n                        SELECTORS.ACTION_DECLINE_CONTACT_REQUEST\n                    ];\n                    return showConfirmDialogue(header, body, footer, buttonSelectors, string, '', false, true);\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Show the checkbox to allow delete message for all.\n     *\n     * @param {Object} body The body container element.\n     */\n    var showCheckDeleteDialogue = function(body) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var checkboxRegion = dialogue.find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER);\n        checkboxRegion.removeClass('hidden');\n    };\n\n    /**\n     * Hide the checkbox to allow delete message for all.\n     *\n     * @param {Object} body The body container element.\n     */\n    var hideCheckDeleteDialogue = function(body) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var checkboxRegion = dialogue.find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE_CONTAINER);\n        var checkbox = dialogue.find(SELECTORS.DELETE_MESSAGES_FOR_ALL_USERS_TOGGLE);\n        checkbox.prop('checked', false);\n        checkboxRegion.addClass('hidden');\n    };\n\n    /**\n     * Show or hide the block / unblock option in the header dropdown menu.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isBlocked is user blocked.\n     */\n    var renderIsBlocked = function(header, body, footer, isBlocked) {\n        if (isBlocked) {\n            header.find(SELECTORS.ACTION_REQUEST_BLOCK).addClass('hidden');\n            header.find(SELECTORS.ACTION_REQUEST_UNBLOCK).removeClass('hidden');\n        } else {\n            header.find(SELECTORS.ACTION_REQUEST_BLOCK).removeClass('hidden');\n            header.find(SELECTORS.ACTION_REQUEST_UNBLOCK).addClass('hidden');\n        }\n    };\n\n    /**\n     * Show or hide the favourite / unfavourite option in the header dropdown menu\n     * and the favourite star in the header title.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isFavourite is this conversation a favourite.\n     */\n    var renderIsFavourite = function(header, body, footer, state) {\n        var favouriteIcon = header.find(SELECTORS.FAVOURITE_ICON_CONTAINER);\n        var addFavourite = header.find(SELECTORS.ACTION_CONFIRM_FAVOURITE);\n        var removeFavourite = header.find(SELECTORS.ACTION_CONFIRM_UNFAVOURITE);\n\n        switch (state) {\n            case 'hide':\n                favouriteIcon.addClass('hidden');\n                addFavourite.addClass('hidden');\n                removeFavourite.addClass('hidden');\n                break;\n            case 'show-add':\n                favouriteIcon.addClass('hidden');\n                addFavourite.removeClass('hidden');\n                removeFavourite.addClass('hidden');\n                break;\n            case 'show-remove':\n                favouriteIcon.removeClass('hidden');\n                addFavourite.addClass('hidden');\n                removeFavourite.removeClass('hidden');\n                break;\n        }\n    };\n\n    /**\n     * Show or hide the mute / unmute option in the header dropdown menu\n     * and the muted icon in the header title.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {string} state The state of the conversation as defined by the patcher.\n     */\n    var renderIsMuted = function(header, body, footer, state) {\n        var muteIcon = header.find(SELECTORS.MUTED_ICON_CONTAINER);\n        var setMuted = header.find(SELECTORS.ACTION_CONFIRM_MUTE);\n        var unsetMuted = header.find(SELECTORS.ACTION_CONFIRM_UNMUTE);\n\n        switch (state) {\n            case 'hide':\n                muteIcon.addClass('hidden');\n                setMuted.addClass('hidden');\n                unsetMuted.addClass('hidden');\n                break;\n            case 'show-mute':\n                muteIcon.addClass('hidden');\n                setMuted.removeClass('hidden');\n                unsetMuted.addClass('hidden');\n                break;\n            case 'show-unmute':\n                muteIcon.removeClass('hidden');\n                setMuted.addClass('hidden');\n                unsetMuted.removeClass('hidden');\n                break;\n        }\n    };\n\n    /**\n     * Show or hide the add / remove user as contact option in the header dropdown menu.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} state the contact state.\n     */\n    var renderIsContact = function(header, body, footer, state) {\n        var addContact = header.find(SELECTORS.ACTION_REQUEST_ADD_CONTACT);\n        var removeContact = header.find(SELECTORS.ACTION_REQUEST_REMOVE_CONTACT);\n\n        switch (state) {\n            case 'pending-contact':\n                addContact.addClass('hidden');\n                removeContact.addClass('hidden');\n                break;\n            case 'contact':\n                addContact.addClass('hidden');\n                removeContact.removeClass('hidden');\n                break;\n            case 'non-contact':\n                addContact.removeClass('hidden');\n                removeContact.addClass('hidden');\n                break;\n        }\n    };\n\n    /**\n     * Show or hide confirm action from confirm dialogue is loading.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} isLoading confirm action is loading.\n     */\n    var renderLoadingConfirmAction = function(header, body, footer, isLoading) {\n        var dialogue = getConfirmDialogueContainer(body);\n        var buttons = dialogue.find('button');\n        var buttonText = dialogue.find(SELECTORS.CONFIRM_DIALOGUE_BUTTON_TEXT);\n        var loadingIcon = dialogue.find(SELECTORS.LOADING_ICON_CONTAINER);\n\n        if (isLoading) {\n            buttons.prop('disabled', true);\n            buttonText.addClass('hidden');\n            loadingIcon.removeClass('hidden');\n        } else {\n            buttons.prop('disabled', false);\n            buttonText.removeClass('hidden');\n            loadingIcon.addClass('hidden');\n        }\n    };\n\n    /**\n     * Show or hide the header and footer content for edit mode.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Bool} inEditMode In edit mode or not.\n     */\n    var renderInEditMode = function(header, body, footer, inEditMode) {\n        var messages = null;\n\n        if (inEditMode) {\n            messages = body.find(SELECTORS.MESSAGE_NOT_SELECTED);\n            messages.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).removeClass('hidden');\n            hideHeaderContent(header);\n            showHeaderEditMode(header);\n        } else {\n            messages = getMessagesContainer(body);\n            messages.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).addClass('hidden');\n            messages.find(SELECTORS.MESSAGE_SELECTED_ICON).addClass('hidden');\n            showHeaderContent(header);\n            hideHeaderEditMode(header);\n        }\n    };\n\n    /**\n     * Select or unselect messages.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data The messages to select or unselect.\n     */\n    var renderSelectedMessages = function(header, body, footer, data) {\n        var hasSelectedMessages = data.count > 0;\n\n        if (data.add.length) {\n            data.add.forEach(function(messageId) {\n                var message = getMessageElement(body, messageId);\n                message.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).addClass('hidden');\n                message.find(SELECTORS.MESSAGE_SELECTED_ICON).removeClass('hidden');\n                message.attr('aria-checked', true);\n            });\n        }\n\n        if (data.remove.length) {\n            data.remove.forEach(function(messageId) {\n                var message = getMessageElement(body, messageId);\n\n                if (hasSelectedMessages) {\n                    message.find(SELECTORS.MESSAGE_NOT_SELECTED_ICON).removeClass('hidden');\n                }\n\n                message.find(SELECTORS.MESSAGE_SELECTED_ICON).addClass('hidden');\n                message.attr('aria-checked', false);\n            });\n        }\n\n        setMessagesSelectedCount(header, data.count);\n    };\n\n    /**\n     * Show or hide the require add contact panel.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} data Whether the user has to be added a a contact.\n     * @return {Object} jQuery promise\n     */\n    var renderRequireAddContact = function(header, body, footer, data) {\n        if (data.show && !data.hasMessages) {\n            return Str.get_strings([\n                    {\n                        key: 'requirecontacttomessage',\n                        component: 'core_message',\n                        param: data.user.fullname\n                    },\n                    {\n                        key: 'isnotinyourcontacts',\n                        component: 'core_message',\n                        param: data.user.fullname\n                    }\n                ])\n                .then(function(strings) {\n                    var title = strings[1];\n                    var text = strings[0];\n                    return showConfirmDialogue(\n                        header,\n                        body,\n                        footer,\n                        [SELECTORS.ACTION_REQUEST_ADD_CONTACT],\n                        text,\n                        title,\n                        false,\n                        true\n                    );\n                });\n        } else {\n            return hideConfirmDialogue(header, body, footer);\n        }\n    };\n\n    /**\n     * Show or hide the self-conversation message.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} displayMessage should the message be displayed?.\n     * @return {Object|true} jQuery promise\n     */\n    var renderSelfConversationMessage = function(header, body, footer, displayMessage) {\n        var container = getSelfConversationMessageContainer(body);\n        if (displayMessage) {\n            container.removeClass('hidden');\n        } else {\n            container.addClass('hidden');\n        }\n        return true;\n    };\n\n    /**\n     * Show or hide the require add contact panel.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @param {Object} userFullName Full name of the other user.\n     * @return {Object|true} jQuery promise\n     */\n    var renderContactRequestSent = function(header, body, footer, userFullName) {\n        var container = getContactRequestSentContainer(body);\n        if (userFullName) {\n            return Str.get_string('yourcontactrequestpending', 'core_message', userFullName)\n                .then(function(string) {\n                    container.find(SELECTORS.TEXT).text(string);\n                    container.removeClass('hidden');\n                    return string;\n                });\n        } else {\n            container.addClass('hidden');\n            return true;\n        }\n    };\n\n    /**\n     * Reset the UI to the initial state.\n     *\n     * @param {Object} header The header container element.\n     * @param {Object} body The body container element.\n     * @param {Object} footer The footer container element.\n     * @return {Bool}\n     */\n    var renderReset = function(header, body, footer) {\n        hideConfirmDialogue(header, body, footer);\n        hideContactRequestSentContainer(body);\n        hideSelfConversationMessageContainer(body);\n        hideAllHeaderElements(header);\n        showHeaderPlaceholder(header);\n        hideAllFooterElements(footer);\n        showFooterPlaceholder(footer);\n        return true;\n    };\n\n    var render = function(header, body, footer, patch) {\n      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selfConversationMessage: renderSelfConversationMessage,\n                contactRequestSent: renderContactRequestSent\n            },\n            {\n                loadingMembers: renderLoadingMembers,\n                loadingFirstMessages: renderLoadingFirstMessages,\n                loadingMessages: renderLoadingMessages,\n                isBlocked: renderIsBlocked,\n                isContact: renderIsContact,\n                isFavourite: renderIsFavourite,\n                isMuted: renderIsMuted,\n                loadingConfirmAction: renderLoadingConfirmAction,\n                inEditMode: renderInEditMode,\n                showEmojiPicker: renderShowEmojiPicker,\n                showEmojiAutoComplete: renderShowEmojiAutoComplete,\n            },\n            {\n                // Scrolling should be last to make sure everything\n                // on the page is visible.\n                scrollToMessage: renderScrollToMessage,\n                selectedMessages: 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renderingPromises)\n            .then(function() {\n                for (var i = 2; i < configs.length; i++) {\n                    processConfig(configs[i]);\n                }\n\n                return;\n            })\n            .catch(Notification.exception);\n    };\n\n    return {\n        render: render,\n    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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation_state_manager.min.js b/message/amd/build/message_drawer_view_conversation_state_manager.min.js
index 71db5bebb1b..5e574861803 100644
--- a/message/amd/build/message_drawer_view_conversation_state_manager.min.js
+++ b/message/amd/build/message_drawer_view_conversation_state_manager.min.js
@@ -1,2 +1,20 @@
-define ("core_message/message_drawer_view_conversation_state_manager",["jquery"],function(a){var b=function(b){return a.extend(!0,{},b)},c=function(a,b,c){return a.map(function(a){var d=a.useridfrom==b;return{id:""+a.id,fromLoggedInUser:d,userFrom:c[a.useridfrom],text:a.text,timeCreated:a.timecreated?parseInt(a.timecreated,10):null}})},d=function(a){return a.map(function(a){return{id:a.id,fullname:a.fullname,profileurl:a.profileurl,profileimageurl:a.profileimageurl,profileimageurlsmall:a.profileimageurlsmall,isonline:a.isonline,showonlinestatus:a.showonlinestatus,isblocked:a.isblocked,iscontact:a.iscontact,isdeleted:a.isdeleted,canmessage:a.canmessage,canmessageevenifblocked:a.canmessageevenifblocked,requirescontact:a.requirescontact,contactrequests:a.contactrequests||[]}})};return{buildInitialState:function buildInitialState(a,b,c,d,e,f){return{midnight:a,loggedInUserId:b,id:c,messagePollMin:d,messagePollMax:e,messagePollAfterMax:f,name:null,subname:null,type:null,totalMemberCount:null,imageUrl:null,isFavourite:null,isMuted:null,canDeleteMessagesForAllUsers:!1,deleteMessagesForAllUsers:!1,members:{},messages:[],hasTriedToLoadMessages:!1,loadingMessages:!0,loadingMembers:!0,loadingConfirmAction:!1,pendingBlockUserIds:[],pendingUnblockUserIds:[],pendingRemoveContactIds:[],pendingAddContactIds:[],pendingDeleteMessageIds:[],pendingSendMessageIds:[],pendingDeleteConversation:!1,selectedMessageIds:[],showEmojiAutoComplete:!1,showEmojiPicker:!1}},addMessages:function addMessages(a,d){var e=b(a),f=c(d,a.loggedInUserId,a.members);f=f.map(function(a){a.sendState=null;a.timeAdded=Date.now();a.errorMessage=null;return a});var g=a.messages.concat(f);g.sort(function(c,a){if(null===c.timeCreated&&null===a.timeCreated){if(c.timeAdded<a.timeAdded){return-1}else if(c.timeAdded>a.timeAdded){return 1}}if(null===c.timeCreated&&null!==a.timeCreated){return 1}else if(null!==c.timeCreated&&null===a.timeCreated){return-1}else if(c.timeCreated<a.timeCreated){return-1}else if(c.timeCreated>a.timeCreated){return 1}else if(c.id<a.id){return-1}else if(c.id>a.id){return 1}else{return 0}});e.messages=g.filter(function(a,b,c){return!b||a.id!=c[b-1].id});return e},updateMessages:function updateMessages(d,e){var f=b(d),g=e.reduce(function(a,b){var e=b[0],f=b[1],g=c([f],d.loggedInUserId,d.members),h=g[0];a[e.id]=h;return a},{});f.messages=f.messages.map(function(b){if(b.id in g){return a.extend(b,g[b.id])}else{return b}});return f},removeMessages:function removeMessages(a,c){var d=b(a),e=c.map(function(a){return""+a.id});d.messages=d.messages.filter(function(a){return 0>e.indexOf(a.id)});return d},removeMessagesById:function removeMessagesById(a,c){var d=b(a);c=c.map(function(a){return""+a});d.messages=d.messages.filter(function(a){return 0>c.indexOf(a.id)});return d},addMembers:function addMembers(a,c){var e=b(a),f=d(c);f.forEach(function(a){e.members[a.id]=a});return e},removeMembers:function removeMembers(a,c){var d=b(a);c.forEach(function(a){delete d.members[a.id]});return d},setLoadingMessages:function setLoadingMessages(a,c){var d=b(a);d.loadingMessages=c;if(a.loadingMessages&&!c){d.hasTriedToLoadMessages=!0}return d},setLoadingMembers:function setLoadingMembers(a,c){var d=b(a);d.loadingMembers=c;return d},setId:function setId(a,c){var d=b(a);d.id=c;return d},setName:function setName(a,c){var d=b(a);d.name=c;return d},setSubname:function setSubname(a,c){var d=b(a);d.subname=c;return d},setType:function setType(a,c){var d=b(a);d.type=c;return d},setIsFavourite:function setIsFavourite(a,c){var d=b(a);d.isFavourite=c;return d},setIsMuted:function setIsMuted(a,c){var d=b(a);d.isMuted=c;return d},setCanDeleteMessagesForAllUsers:function setCanDeleteMessagesForAllUsers(a,c){var d=b(a);d.canDeleteMessagesForAllUsers=c;return d},setDeleteMessagesForAllUsers:function setDeleteMessagesForAllUsers(a,c){var d=b(a);d.deleteMessagesForAllUsers=c;return d},setTotalMemberCount:function setTotalMemberCount(a,c){var d=b(a);d.totalMemberCount=c;return d},setImageUrl:function setImageUrl(a,c){var d=b(a);d.imageUrl=c;return d},setLoadingConfirmAction:function setLoadingConfirmAction(a,c){var d=b(a);d.loadingConfirmAction=c;return d},setPendingDeleteConversation:function setPendingDeleteConversation(a,c){var d=b(a);d.pendingDeleteConversation=c;return d},setMessagesSendPendingById:function setMessagesSendPendingById(a,c){var d=b(a);c=c.map(function(a){return""+a});d.messages.forEach(function(a){if(0<=c.indexOf(a.id)){a.sendState="pending";a.errorMessage=null}});return d},setMessagesSendSuccessById:function setMessagesSendSuccessById(a,c){var d=b(a);c=c.map(function(a){return""+a});d.messages.forEach(function(a){if(0<=c.indexOf(a.id)){a.sendState="sent";a.errorMessage=null}});return d},setMessagesSendFailById:function setMessagesSendFailById(a,c,d){var e=b(a);c=c.map(function(a){return""+a});e.messages.forEach(function(a){if(0<=c.indexOf(a.id)){a.sendState="error";a.errorMessage=d}});return e},setShowEmojiAutoComplete:function setShowEmojiAutoComplete(a,c){var d=b(a);d.showEmojiAutoComplete=c;return d},setShowEmojiPicker:function setShowEmojiPicker(a,c){var d=b(a);d.showEmojiPicker=c;return d},addPendingBlockUsersById:function addPendingBlockUsersById(a,c){var d=b(a);c.forEach(function(a){d.pendingBlockUserIds.push(a)});return d},addPendingRemoveContactsById:function addPendingRemoveContactsById(a,c){var d=b(a);c.forEach(function(a){d.pendingRemoveContactIds.push(a)});return d},addPendingUnblockUsersById:function addPendingUnblockUsersById(a,c){var d=b(a);c.forEach(function(a){d.pendingUnblockUserIds.push(a)});return d},addPendingAddContactsById:function addPendingAddContactsById(a,c){var d=b(a);c.forEach(function(a){d.pendingAddContactIds.push(a)});return d},addPendingDeleteMessagesById:function addPendingDeleteMessagesById(a,c){var d=b(a);c.forEach(function(a){d.pendingDeleteMessageIds.push(a)});return d},removePendingBlockUsersById:function removePendingBlockUsersById(a,c){var d=b(a);d.pendingBlockUserIds=d.pendingBlockUserIds.filter(function(a){return 0>c.indexOf(a)});return d},removePendingRemoveContactsById:function removePendingRemoveContactsById(a,c){var d=b(a);d.pendingRemoveContactIds=d.pendingRemoveContactIds.filter(function(a){return 0>c.indexOf(a)});return d},removePendingUnblockUsersById:function removePendingUnblockUsersById(a,c){var d=b(a);d.pendingUnblockUserIds=d.pendingUnblockUserIds.filter(function(a){return 0>c.indexOf(a)});return d},removePendingAddContactsById:function removePendingAddContactsById(a,c){var d=b(a);d.pendingAddContactIds=d.pendingAddContactIds.filter(function(a){return 0>c.indexOf(a)});return d},removePendingDeleteMessagesById:function removePendingDeleteMessagesById(a,c){var d=b(a);c=c.map(function(a){return""+a});d.pendingDeleteMessageIds=d.pendingDeleteMessageIds.filter(function(a){return 0>c.indexOf(a)});return d},addSelectedMessagesById:function addSelectedMessagesById(a,c){var d=b(a);c=c.map(function(a){return""+a});d.selectedMessageIds=d.selectedMessageIds.concat(c);return d},removeSelectedMessagesById:function removeSelectedMessagesById(a,c){var d=b(a);c=c.map(function(a){return""+a});d.selectedMessageIds=d.selectedMessageIds.filter(function(a){return 0>c.indexOf(a)});return d},markMessagesAsRead:function markMessagesAsRead(a,c){var d=b(a),e=c.map(function(a){return a.id});d.messages=d.messages.map(function(a){if(0<=e.indexOf(a.id)){a.isRead=!0}return a});return d},addContactRequests:function addContactRequests(a,c){var d=b(a);c.forEach(function(a){var b=a.userid,c=a.requesteduserid;d.members[b].contactrequests.push(a);d.members[c].contactrequests.push(a)});return d},removeContactRequests:function removeContactRequests(a,c){var d=b(a);c.forEach(function(a){var b=a.userid,c=a.requesteduserid;d.members[b].contactrequests=d.members[b].contactrequests.filter(function(a){return a.userid!=b});d.members[c].contactrequests=d.members[c].contactrequests.filter(function(a){return a.requesteduserid!=c})});return d}}});
-//# sourceMappingURL=message_drawer_view_conversation_state_manager.min.js.map
+/**
+ * This module operates on the view states from the message_drawer_view_conversation module.
+ * It exposes functions that can be used to generate new version of the state.
+ *
+ * Important notes for this module:
+ * 1.) The existing state is always immutable. It should never be modified.
+ * 2.) All functions that operate on the state should always clone the state and
+ *     modify the cloned state before returning it.
+ *
+ * It's important that the states remain immutable because they are diff'd in
+ * the message_drawer_view_conversation_patcher module in order to work out what
+ * has changed.
+ *
+ * @module     core_message/message_drawer_view_conversation_state_manager
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_conversation_state_manager",["jquery"],(function($){var cloneState=function(state){return $.extend(!0,{},state)},formatMessages=function(messages,loggedInUserId,members){return messages.map((function(message){var fromLoggedInUser=message.useridfrom==loggedInUserId;return{id:""+message.id,fromLoggedInUser:fromLoggedInUser,userFrom:members[message.useridfrom],text:message.text,timeCreated:message.timecreated?parseInt(message.timecreated,10):null}}))};return{buildInitialState:function(midnight,loggedInUserId,id,messagePollMin,messagePollMax,messagePollAfterMax){return{midnight:midnight,loggedInUserId:loggedInUserId,id:id,messagePollMin:messagePollMin,messagePollMax:messagePollMax,messagePollAfterMax:messagePollAfterMax,name:null,subname:null,type:null,totalMemberCount:null,imageUrl:null,isFavourite:null,isMuted:null,canDeleteMessagesForAllUsers:!1,deleteMessagesForAllUsers:!1,members:{},messages:[],hasTriedToLoadMessages:!1,loadingMessages:!0,loadingMembers:!0,loadingConfirmAction:!1,pendingBlockUserIds:[],pendingUnblockUserIds:[],pendingRemoveContactIds:[],pendingAddContactIds:[],pendingDeleteMessageIds:[],pendingSendMessageIds:[],pendingDeleteConversation:!1,selectedMessageIds:[],showEmojiAutoComplete:!1,showEmojiPicker:!1}},addMessages:function(state,messages){var newState=cloneState(state),formattedMessages=formatMessages(messages,state.loggedInUserId,state.members);formattedMessages=formattedMessages.map((function(message){return message.sendState=null,message.timeAdded=Date.now(),message.errorMessage=null,message}));var allMessages=state.messages.concat(formattedMessages);return allMessages.sort((function(a,b){if(null===a.timeCreated&&null===b.timeCreated){if(a.timeAdded<b.timeAdded)return-1;if(a.timeAdded>b.timeAdded)return 1}return null===a.timeCreated&&null!==b.timeCreated?1:null!==a.timeCreated&&null===b.timeCreated||a.timeCreated<b.timeCreated?-1:a.timeCreated>b.timeCreated?1:a.id<b.id?-1:a.id>b.id?1:0})),newState.messages=allMessages.filter((function(message,index,sortedMessages){return!index||message.id!=sortedMessages[index-1].id})),newState},updateMessages:function(state,data){var newState=cloneState(state),updatesById=data.reduce((function(carry,messageData){var oldMessage=messageData[0],newMessage=messageData[1],formattedMessage=formatMessages([newMessage],state.loggedInUserId,state.members)[0];return carry[oldMessage.id]=formattedMessage,carry}),{});return newState.messages=newState.messages.map((function(message){return message.id in updatesById?$.extend(message,updatesById[message.id]):message})),newState},removeMessages:function(state,messages){var newState=cloneState(state),removeMessageIds=messages.map((function(message){return""+message.id}));return newState.messages=newState.messages.filter((function(message){return removeMessageIds.indexOf(message.id)<0})),newState},removeMessagesById:function(state,messageIds){var newState=cloneState(state);return messageIds=messageIds.map((function(id){return""+id})),newState.messages=newState.messages.filter((function(message){return messageIds.indexOf(message.id)<0})),newState},addMembers:function(state,members){var newState=cloneState(state),formattedMembers=function(members){return members.map((function(member){return{id:member.id,fullname:member.fullname,profileurl:member.profileurl,profileimageurl:member.profileimageurl,profileimageurlsmall:member.profileimageurlsmall,isonline:member.isonline,showonlinestatus:member.showonlinestatus,isblocked:member.isblocked,iscontact:member.iscontact,isdeleted:member.isdeleted,canmessage:member.canmessage,canmessageevenifblocked:member.canmessageevenifblocked,requirescontact:member.requirescontact,contactrequests:member.contactrequests||[]}}))}(members);return formattedMembers.forEach((function(member){newState.members[member.id]=member})),newState},removeMembers:function(state,members){var newState=cloneState(state);return members.forEach((function(member){delete newState.members[member.id]})),newState},setLoadingMessages:function(state,value){var newState=cloneState(state);return newState.loadingMessages=value,state.loadingMessages&&!value&&(newState.hasTriedToLoadMessages=!0),newState},setLoadingMembers:function(state,value){var newState=cloneState(state);return newState.loadingMembers=value,newState},setId:function(state,value){var newState=cloneState(state);return newState.id=value,newState},setName:function(state,value){var newState=cloneState(state);return newState.name=value,newState},setSubname:function(state,value){var newState=cloneState(state);return newState.subname=value,newState},setType:function(state,type){var newState=cloneState(state);return newState.type=type,newState},setIsFavourite:function(state,isFavourite){var newState=cloneState(state);return newState.isFavourite=isFavourite,newState},setIsMuted:function(state,isMuted){var newState=cloneState(state);return newState.isMuted=isMuted,newState},setCanDeleteMessagesForAllUsers:function(state,value){var newState=cloneState(state);return newState.canDeleteMessagesForAllUsers=value,newState},setDeleteMessagesForAllUsers:function(state,value){var newState=cloneState(state);return newState.deleteMessagesForAllUsers=value,newState},setTotalMemberCount:function(state,count){var newState=cloneState(state);return newState.totalMemberCount=count,newState},setImageUrl:function(state,url){var newState=cloneState(state);return newState.imageUrl=url,newState},setLoadingConfirmAction:function(state,value){var newState=cloneState(state);return newState.loadingConfirmAction=value,newState},setPendingDeleteConversation:function(state,value){var newState=cloneState(state);return newState.pendingDeleteConversation=value,newState},setMessagesSendPendingById:function(state,messageIds){var newState=cloneState(state);return messageIds=messageIds.map((function(id){return""+id})),newState.messages.forEach((function(message){messageIds.indexOf(message.id)>=0&&(message.sendState="pending",message.errorMessage=null)})),newState},setMessagesSendSuccessById:function(state,messageIds){var newState=cloneState(state);return messageIds=messageIds.map((function(id){return""+id})),newState.messages.forEach((function(message){messageIds.indexOf(message.id)>=0&&(message.sendState="sent",message.errorMessage=null)})),newState},setMessagesSendFailById:function(state,messageIds,errorMessage){var newState=cloneState(state);return messageIds=messageIds.map((function(id){return""+id})),newState.messages.forEach((function(message){messageIds.indexOf(message.id)>=0&&(message.sendState="error",message.errorMessage=errorMessage)})),newState},setShowEmojiAutoComplete:function(state,show){var newState=cloneState(state);return newState.showEmojiAutoComplete=show,newState},setShowEmojiPicker:function(state,show){var newState=cloneState(state);return newState.showEmojiPicker=show,newState},addPendingBlockUsersById:function(state,userIds){var newState=cloneState(state);return userIds.forEach((function(id){newState.pendingBlockUserIds.push(id)})),newState},addPendingRemoveContactsById:function(state,userIds){var newState=cloneState(state);return userIds.forEach((function(id){newState.pendingRemoveContactIds.push(id)})),newState},addPendingUnblockUsersById:function(state,userIds){var newState=cloneState(state);return userIds.forEach((function(id){newState.pendingUnblockUserIds.push(id)})),newState},addPendingAddContactsById:function(state,userIds){var newState=cloneState(state);return userIds.forEach((function(id){newState.pendingAddContactIds.push(id)})),newState},addPendingDeleteMessagesById:function(state,messageIds){var newState=cloneState(state);return messageIds.forEach((function(id){newState.pendingDeleteMessageIds.push(id)})),newState},removePendingBlockUsersById:function(state,userIds){var newState=cloneState(state);return newState.pendingBlockUserIds=newState.pendingBlockUserIds.filter((function(id){return userIds.indexOf(id)<0})),newState},removePendingRemoveContactsById:function(state,userIds){var newState=cloneState(state);return newState.pendingRemoveContactIds=newState.pendingRemoveContactIds.filter((function(id){return userIds.indexOf(id)<0})),newState},removePendingUnblockUsersById:function(state,userIds){var newState=cloneState(state);return newState.pendingUnblockUserIds=newState.pendingUnblockUserIds.filter((function(id){return userIds.indexOf(id)<0})),newState},removePendingAddContactsById:function(state,userIds){var newState=cloneState(state);return newState.pendingAddContactIds=newState.pendingAddContactIds.filter((function(id){return userIds.indexOf(id)<0})),newState},removePendingDeleteMessagesById:function(state,messageIds){var newState=cloneState(state);return messageIds=messageIds.map((function(id){return""+id})),newState.pendingDeleteMessageIds=newState.pendingDeleteMessageIds.filter((function(id){return messageIds.indexOf(id)<0})),newState},addSelectedMessagesById:function(state,messageIds){var newState=cloneState(state);return messageIds=messageIds.map((function(id){return""+id})),newState.selectedMessageIds=newState.selectedMessageIds.concat(messageIds),newState},removeSelectedMessagesById:function(state,messageIds){var newState=cloneState(state);return messageIds=messageIds.map((function(id){return""+id})),newState.selectedMessageIds=newState.selectedMessageIds.filter((function(id){return messageIds.indexOf(id)<0})),newState},markMessagesAsRead:function(state,readMessages){var newState=cloneState(state),readMessageIds=readMessages.map((function(message){return message.id}));return newState.messages=newState.messages.map((function(message){return readMessageIds.indexOf(message.id)>=0&&(message.isRead=!0),message})),newState},addContactRequests:function(state,requests){var newState=cloneState(state);return requests.forEach((function(request){var fromUserId=request.userid,toUserId=request.requesteduserid;newState.members[fromUserId].contactrequests.push(request),newState.members[toUserId].contactrequests.push(request)})),newState},removeContactRequests:function(state,requests){var newState=cloneState(state);return requests.forEach((function(request){var fromUserId=request.userid,toUserId=request.requesteduserid;newState.members[fromUserId].contactrequests=newState.members[fromUserId].contactrequests.filter((function(existing){return existing.userid!=fromUserId})),newState.members[toUserId].contactrequests=newState.members[toUserId].contactrequests.filter((function(existing){return existing.requesteduserid!=toUserId}))})),newState}}}));
+
+//# sourceMappingURL=message_drawer_view_conversation_state_manager.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_conversation_state_manager.min.js.map b/message/amd/build/message_drawer_view_conversation_state_manager.min.js.map
index d848b36fb2d..0f18284f27a 100644
--- a/message/amd/build/message_drawer_view_conversation_state_manager.min.js.map
+++ b/message/amd/build/message_drawer_view_conversation_state_manager.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module operates on the view states from the message_drawer_view_conversation module.\n * It exposes functions that can be used to generate new version of the state.\n *\n * Important notes for this module:\n * 1.) The existing state is always immutable. It should never be modified.\n * 2.) All functions that operate on the state should always clone the state and\n *     modify the cloned state before returning it.\n *\n * It's important that the states remain immutable because they are diff'd in\n * the message_drawer_view_conversation_patcher module in order to work out what\n * has changed.\n *\n * @module     core_message/message_drawer_view_conversation_state_manager\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Clone a state, a state is a collection of information about the variables required to build\n     * the conversation user interface.\n     *\n     * @param  {Object} state State to clone\n     * @return {Object} newstate A copy of the state to clone.\n     */\n    var cloneState = function(state) {\n        // Do a deep extend to make sure we recursively copy objects and\n        // arrays so that the new state doesn't contain any references to\n        // the old state, e.g. adding a value to an array in the new state\n        // shouldn't also add it to the old state.\n        return $.extend(true, {}, state);\n    };\n\n    /**\n     * Format messages to be used in a state.\n     *\n     * @param  {Array} messages The messages to format.\n     * @param  {Number} loggedInUserId The logged in user id.\n     * @param  {Array} members The converstation members.\n     * @return {Array} Formatted messages.\n     */\n    var formatMessages = function(messages, loggedInUserId, members) {\n        return messages.map(function(message) {\n            var fromLoggedInUser = message.useridfrom == loggedInUserId;\n            return {\n                // Stringify the id.\n                id: \"\" + message.id,\n                fromLoggedInUser: fromLoggedInUser,\n                userFrom: members[message.useridfrom],\n                text: message.text,\n                timeCreated: message.timecreated ? parseInt(message.timecreated, 10) : null\n            };\n        });\n    };\n\n    /**\n     * Format members to be used in a state.\n     *\n     * @param  {Array} members The messages to format.\n     * @return {Array} Formatted members.\n     */\n    var formatMembers = function(members) {\n        return members.map(function(member) {\n            return {\n                id: member.id,\n                fullname: member.fullname,\n                profileurl: member.profileurl,\n                profileimageurl: member.profileimageurl,\n                profileimageurlsmall: member.profileimageurlsmall,\n                isonline:  member.isonline,\n                showonlinestatus: member.showonlinestatus,\n                isblocked: member.isblocked,\n                iscontact: member.iscontact,\n                isdeleted: member.isdeleted,\n                canmessage: member.canmessage,\n                canmessageevenifblocked: member.canmessageevenifblocked,\n                requirescontact: member.requirescontact,\n                contactrequests: member.contactrequests || []\n            };\n        });\n    };\n\n    /**\n     * Create an initial (blank) state.\n     *\n     * @param  {Number} midnight Midnight time.\n     * @param  {Number} loggedInUserId The logged in user id.\n     * @param  {Number} id The conversation id.\n     * @param  {Number} messagePollMin The message poll start timeout in seconds.\n     * @param  {Number} messagePollMax The message poll max timeout limit in seconds.\n     * @param  {Number} messagePollAfterMax The message poll frequency in seconds to reset to after max limit is reached.\n     * @return {Object} Initial state.\n     */\n    var buildInitialState = function(\n        midnight,\n        loggedInUserId,\n        id,\n        messagePollMin,\n        messagePollMax,\n        messagePollAfterMax\n    ) {\n        return {\n            midnight: midnight,\n            loggedInUserId: loggedInUserId,\n            id: id,\n            messagePollMin: messagePollMin,\n            messagePollMax: messagePollMax,\n            messagePollAfterMax: messagePollAfterMax,\n            name: null,\n            subname: null,\n            type: null,\n            totalMemberCount: null,\n            imageUrl: null,\n            isFavourite: null,\n            isMuted: null,\n            canDeleteMessagesForAllUsers: false,\n            deleteMessagesForAllUsers: false,\n            members: {},\n            messages: [],\n            hasTriedToLoadMessages: false,\n            loadingMessages: true,\n            loadingMembers: true,\n            loadingConfirmAction: false,\n            pendingBlockUserIds: [],\n            pendingUnblockUserIds: [],\n            pendingRemoveContactIds: [],\n            pendingAddContactIds: [],\n            pendingDeleteMessageIds: [],\n            pendingSendMessageIds: [],\n            pendingDeleteConversation: false,\n            selectedMessageIds: [],\n            showEmojiAutoComplete: false,\n            showEmojiPicker: false\n        };\n    };\n\n    /**\n     * Add messages to a state and sort them by timecreated.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messages Messages to add to state.\n     * @return {Object} state New state with added messages.\n     */\n    var addMessages = function(state, messages) {\n        var newState = cloneState(state);\n        var formattedMessages = formatMessages(messages, state.loggedInUserId, state.members);\n        formattedMessages = formattedMessages.map(function(message) {\n            message.sendState = null;\n            message.timeAdded = Date.now();\n            message.errorMessage = null;\n            return message;\n        });\n        var allMessages = state.messages.concat(formattedMessages);\n        // Sort the messages. Oldest to newest.\n        allMessages.sort(function(a, b) {\n            if (a.timeCreated === null && b.timeCreated === null) {\n                if (a.timeAdded < b.timeAdded) {\n                    return -1;\n                } else if (a.timeAdded > b.timeAdded) {\n                    return 1;\n                }\n            }\n\n            if (a.timeCreated === null && b.timeCreated !== null) {\n                // A comes after b.\n                return 1;\n            } else if (a.timeCreated !== null && b.timeCreated === null) {\n                // A comes before b.\n                return -1;\n            } else if (a.timeCreated < b.timeCreated) {\n                // A comes before b.\n                return -1;\n            } else if (a.timeCreated > b.timeCreated) {\n                // A comes after b.\n                return 1;\n            } else if (a.id < b.id) {\n                return -1;\n            } else if (a.id > b.id) {\n                return 1;\n            } else {\n                return 0;\n            }\n        });\n\n        // Filter out any duplicate messages.\n        newState.messages = allMessages.filter(function(message, index, sortedMessages) {\n            return !index || message.id != sortedMessages[index - 1].id;\n        });\n\n        return newState;\n    };\n\n    /**\n     * Update existing messages.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} data 2D array of old and new messages\n     * @return {Object} state.\n     */\n    var updateMessages = function(state, data) {\n        var newState = cloneState(state);\n        var updatesById = data.reduce(function(carry, messageData) {\n            var oldMessage = messageData[0];\n            var newMessage = messageData[1];\n            var formattedMessages = formatMessages([newMessage], state.loggedInUserId, state.members);\n            var formattedMessage = formattedMessages[0];\n\n            carry[oldMessage.id] = formattedMessage;\n            return carry;\n        }, {});\n\n        newState.messages = newState.messages.map(function(message) {\n            if (message.id in updatesById) {\n                return $.extend(message, updatesById[message.id]);\n            } else {\n                return message;\n            }\n        });\n\n        return newState;\n    };\n\n    /**\n     * Remove messages from state.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messages Messages to remove from state.\n     * @return {Object} state New state with removed messages.\n     */\n    var removeMessages = function(state, messages) {\n        var newState = cloneState(state);\n        var removeMessageIds = messages.map(function(message) {\n            return \"\" + message.id;\n        });\n        newState.messages = newState.messages.filter(function(message) {\n            return removeMessageIds.indexOf(message.id) < 0;\n        });\n\n        return newState;\n    };\n\n    /**\n     * Remove messages from state by message id.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Message ids to remove from state.\n     * @return {Object} state New state with removed messages.\n     */\n    var removeMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.messages = newState.messages.filter(function(message) {\n            return messageIds.indexOf(message.id) < 0;\n        });\n\n        return newState;\n    };\n\n    /**\n     * Add conversation member to state.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} members Conversation members to be added to state.\n     * @return {Object} New state with added members.\n     */\n    var addMembers = function(state, members) {\n        var newState = cloneState(state);\n        var formattedMembers = formatMembers(members);\n        formattedMembers.forEach(function(member) {\n            newState.members[member.id] = member;\n        });\n        return newState;\n    };\n\n    /**\n     * Remove members from state.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} members Members to be removed from state.\n     * @return {Object} New state with removed members.\n     */\n    var removeMembers = function(state, members) {\n        var newState = cloneState(state);\n        members.forEach(function(member) {\n            delete newState.members[member.id];\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state loading messages attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value New loading messages value.\n     * @return {Object} New state with loading messages attribute.\n     */\n    var setLoadingMessages = function(state, value) {\n        var newState = cloneState(state);\n        newState.loadingMessages = value;\n        if (state.loadingMessages && !value) {\n            // If we're going from loading to not loading then\n            // it means we've tried to load.\n            newState.hasTriedToLoadMessages = true;\n        }\n        return newState;\n    };\n\n    /**\n     * Set the state loading members attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value New loading members value.\n     * @return {Object} New state with loading members attribute.\n     */\n    var setLoadingMembers = function(state, value) {\n        var newState = cloneState(state);\n        newState.loadingMembers = value;\n        return newState;\n    };\n\n    /**\n     * Set the conversation id.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} value The ID.\n     * @return {Object} New state.\n     */\n    var setId = function(state, value) {\n        var newState = cloneState(state);\n        newState.id = value;\n        return newState;\n    };\n\n    /**\n     * Set the state name attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} value New name value.\n     * @return {Object} New state with name attribute.\n     */\n    var setName = function(state, value) {\n        var newState = cloneState(state);\n        newState.name = value;\n        return newState;\n    };\n\n    /**\n     * Set the state subname attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} value New subname value.\n     * @return {Object} New state.\n     */\n    var setSubname = function(state, value) {\n        var newState = cloneState(state);\n        newState.subname = value;\n        return newState;\n    };\n\n    /**\n     * Set the conversation type.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Int} type Conversation type.\n     * @return {Object} New state.\n     */\n    var setType = function(state, type) {\n        var newState = cloneState(state);\n        newState.type = type;\n        return newState;\n    };\n\n    /**\n     * Set whether the conversation is a favourite conversation.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} isFavourite If it's a favourite.\n     * @return {Object} New state.\n     */\n    var setIsFavourite = function(state, isFavourite) {\n        var newState = cloneState(state);\n        newState.isFavourite = isFavourite;\n        return newState;\n    };\n\n    /**\n     * Set whether the conversation is a muted conversation.\n     *\n     * @param  {Object} state Current state.\n     * @param  {bool} isMuted If it's muted.\n     * @return {Object} New state.\n     */\n    var setIsMuted = function(state, isMuted) {\n        var newState = cloneState(state);\n        newState.isMuted = isMuted;\n        return newState;\n    };\n\n    /**\n     * Set the total member count.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} count The count.\n     * @return {Object} New state.\n     */\n    var setTotalMemberCount = function(state, count) {\n        var newState = cloneState(state);\n        newState.totalMemberCount = count;\n        return newState;\n    };\n\n    /**\n     * Set the conversation image url.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} url The url to the image.\n     * @return {Object} New state.\n     */\n    var setImageUrl = function(state, url) {\n        var newState = cloneState(state);\n        newState.imageUrl = url;\n        return newState;\n    };\n\n    /**\n     * Set the state loading confirm action attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value New loading confirm action value.\n     * @return {Object} New state with loading confirm action attribute.\n     */\n    var setLoadingConfirmAction = function(state, value) {\n        var newState = cloneState(state);\n        newState.loadingConfirmAction = value;\n        return newState;\n    };\n\n    /**\n     * Set the state pending delete conversation attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value New pending delete conversation value.\n     * @return {Object} New state with pending delete conversation attribute.\n     */\n    var setPendingDeleteConversation = function(state, value) {\n        var newState = cloneState(state);\n        newState.pendingDeleteConversation = value;\n        return newState;\n    };\n\n    /**\n     * Set the state of message to pending.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to delete.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setMessagesSendPendingById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.messages.forEach(function(message) {\n            if (messageIds.indexOf(message.id) >= 0) {\n                message.sendState = 'pending';\n                message.errorMessage = null;\n            }\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state of message to sent.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to delete.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setMessagesSendSuccessById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.messages.forEach(function(message) {\n            if (messageIds.indexOf(message.id) >= 0) {\n                message.sendState = 'sent';\n                message.errorMessage = null;\n            }\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state of messages to error.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to delete.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setMessagesSendFailById = function(state, messageIds, errorMessage) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.messages.forEach(function(message) {\n            if (messageIds.indexOf(message.id) >= 0) {\n                message.sendState = 'error';\n                message.errorMessage = errorMessage;\n            }\n        });\n        return newState;\n    };\n\n    /**\n     * Set the visibility of the emoji picker.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} show Should the emoji picker be shown.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setShowEmojiPicker = function(state, show) {\n        var newState = cloneState(state);\n        newState.showEmojiPicker = show;\n        return newState;\n    };\n\n    /**\n     * Set whether emojis auto complete suggestions should be shown.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} show Show the autocomplete\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setShowEmojiAutoComplete = function(state, show) {\n        var newState = cloneState(state);\n        newState.showEmojiAutoComplete = show;\n        return newState;\n    };\n\n    /**\n     * Set the state pending block userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to block.\n     * @return {Object} New state with array of pending block userids.\n     */\n    var addPendingBlockUsersById = function(state, userIds) {\n        var newState = cloneState(state);\n        userIds.forEach(function(id) {\n            newState.pendingBlockUserIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state pending remove userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove.\n     * @return {Object} New state with array of pending remove userids.\n     */\n    var addPendingRemoveContactsById = function(state, userIds) {\n        var newState = cloneState(state);\n        userIds.forEach(function(id) {\n            newState.pendingRemoveContactIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state pending unblock userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to unblock.\n     * @return {Object} New state with array of pending unblock userids.\n     */\n    var addPendingUnblockUsersById = function(state, userIds) {\n        var newState = cloneState(state);\n        userIds.forEach(function(id) {\n            newState.pendingUnblockUserIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state pending add users to contacts userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to add users to contacts.\n     * @return {Object} New state with array of pending add users to contacts userids.\n     */\n    var addPendingAddContactsById = function(state, userIds) {\n        var newState = cloneState(state);\n        userIds.forEach(function(id) {\n            newState.pendingAddContactIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state pending delete messages.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to delete.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var addPendingDeleteMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds.forEach(function(id) {\n            newState.pendingDeleteMessageIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending block userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove from the list of user ids to block.\n     * @return {Object} New state with array of pending block userids.\n     */\n    var removePendingBlockUsersById = function(state, userIds) {\n        var newState = cloneState(state);\n        newState.pendingBlockUserIds = newState.pendingBlockUserIds.filter(function(id) {\n            return userIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending remove userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove from the list of user ids to remove.\n     * @return {Object} New state with array of pending remove userids.\n     */\n    var removePendingRemoveContactsById = function(state, userIds) {\n        var newState = cloneState(state);\n        newState.pendingRemoveContactIds = newState.pendingRemoveContactIds.filter(function(id) {\n            return userIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending unblock userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove from the list of user ids to unblock.\n     * @return {Object} New state with array of pending unblock userids.\n     */\n    var removePendingUnblockUsersById = function(state, userIds) {\n        var newState = cloneState(state);\n        newState.pendingUnblockUserIds = newState.pendingUnblockUserIds.filter(function(id) {\n            return userIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending add to contacts userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove from the list of user ids to add to contacts.\n     * @return {Object} New state with array of pending add to contacts userids.\n     */\n    var removePendingAddContactsById = function(state, userIds) {\n        var newState = cloneState(state);\n        newState.pendingAddContactIds = newState.pendingAddContactIds.filter(function(id) {\n            return userIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending delete messages userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Message ids to remove from the list of messages to delete.\n     * @return {Object} New state with array of messages to delete.\n     */\n    var removePendingDeleteMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.pendingDeleteMessageIds = newState.pendingDeleteMessageIds.filter(function(id) {\n            return messageIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Add messages to state selected messages.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages that are selected.\n     * @return {Object} New state with array of not blocked members.\n     */\n    var addSelectedMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.selectedMessageIds = newState.selectedMessageIds.concat(messageIds);\n        return newState;\n    };\n\n    /**\n     * Remove messages from the state selected messages.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to remove from selected messages.\n     * @return {Object} New state with array of selected messages.\n     */\n    var removeSelectedMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.selectedMessageIds = newState.selectedMessageIds.filter(function(id) {\n            return messageIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Mark messages as read.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} readMessages Messages that are read.\n     * @return {Object} New state with array of messages that have the isread attribute set.\n     */\n    var markMessagesAsRead = function(state, readMessages) {\n        var newState = cloneState(state);\n        var readMessageIds = readMessages.map(function(message) {\n            return message.id;\n        });\n        newState.messages = newState.messages.map(function(message) {\n            if (readMessageIds.indexOf(message.id) >= 0) {\n                message.isRead = true;\n            }\n\n            return message;\n        });\n        return newState;\n    };\n\n    /**\n     * Add a contact request to each of the members that the request is for.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} requests The contact requests\n     * @return {Object} New state\n     */\n    var addContactRequests = function(state, requests) {\n        var newState = cloneState(state);\n\n        requests.forEach(function(request) {\n            var fromUserId = request.userid;\n            var toUserId = request.requesteduserid;\n            newState.members[fromUserId].contactrequests.push(request);\n            newState.members[toUserId].contactrequests.push(request);\n        });\n\n        return newState;\n    };\n\n    /**\n     * Remove a contact request from the members of that request.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} requests The contact requests\n     * @return {Object} New state\n     */\n    var removeContactRequests = function(state, requests) {\n        var newState = cloneState(state);\n        requests.forEach(function(request) {\n            var fromUserId = request.userid;\n            var toUserId = request.requesteduserid;\n\n            newState.members[fromUserId].contactrequests = newState.members[fromUserId].contactrequests.filter(function(existing) {\n                return existing.userid != fromUserId;\n            });\n            newState.members[toUserId].contactrequests = newState.members[toUserId].contactrequests.filter(function(existing) {\n                return existing.requesteduserid != toUserId;\n            });\n        });\n\n        return newState;\n    };\n\n    /**\n     * Set wheter the message of the conversation can delete for all users.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value If it can delete for all users.\n     * @return {Object} New state.\n     */\n    var setCanDeleteMessagesForAllUsers = function(state, value) {\n        var newState = cloneState(state);\n        newState.canDeleteMessagesForAllUsers = value;\n        return newState;\n    };\n\n    /**\n     * Set wheter the messages of the conversation delete for all users.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value Delete messages for all users.\n     * @return {Object} New state.\n     */\n    var setDeleteMessagesForAllUsers = function(state, value) {\n        var newState = cloneState(state);\n        newState.deleteMessagesForAllUsers = value;\n        return newState;\n    };\n\n    return {\n        buildInitialState: buildInitialState,\n        addMessages: addMessages,\n        updateMessages: updateMessages,\n        removeMessages: removeMessages,\n        removeMessagesById: removeMessagesById,\n        addMembers: addMembers,\n        removeMembers: removeMembers,\n        setLoadingMessages: setLoadingMessages,\n        setLoadingMembers: setLoadingMembers,\n        setId: setId,\n        setName: setName,\n        setSubname: setSubname,\n        setType: setType,\n        setIsFavourite: setIsFavourite,\n        setIsMuted: setIsMuted,\n        setCanDeleteMessagesForAllUsers: setCanDeleteMessagesForAllUsers,\n        setDeleteMessagesForAllUsers: setDeleteMessagesForAllUsers,\n        setTotalMemberCount: setTotalMemberCount,\n        setImageUrl: setImageUrl,\n        setLoadingConfirmAction: setLoadingConfirmAction,\n        setPendingDeleteConversation: setPendingDeleteConversation,\n        setMessagesSendPendingById: setMessagesSendPendingById,\n        setMessagesSendSuccessById: setMessagesSendSuccessById,\n        setMessagesSendFailById: setMessagesSendFailById,\n        setShowEmojiAutoComplete: setShowEmojiAutoComplete,\n        setShowEmojiPicker: setShowEmojiPicker,\n        addPendingBlockUsersById: addPendingBlockUsersById,\n        addPendingRemoveContactsById: addPendingRemoveContactsById,\n        addPendingUnblockUsersById: addPendingUnblockUsersById,\n        addPendingAddContactsById: addPendingAddContactsById,\n        addPendingDeleteMessagesById: addPendingDeleteMessagesById,\n        removePendingBlockUsersById: removePendingBlockUsersById,\n        removePendingRemoveContactsById: removePendingRemoveContactsById,\n        removePendingUnblockUsersById: removePendingUnblockUsersById,\n        removePendingAddContactsById: removePendingAddContactsById,\n        removePendingDeleteMessagesById: removePendingDeleteMessagesById,\n        addSelectedMessagesById: addSelectedMessagesById,\n        removeSelectedMessagesById: removeSelectedMessagesById,\n        markMessagesAsRead: markMessagesAsRead,\n        addContactRequests: addContactRequests,\n        removeContactRequests: removeContactRequests\n    };\n});\n"],"file":"message_drawer_view_conversation_state_manager.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_conversation_state_manager.min.js","sources":["../src/message_drawer_view_conversation_state_manager.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module operates on the view states from the message_drawer_view_conversation module.\n * It exposes functions that can be used to generate new version of the state.\n *\n * Important notes for this module:\n * 1.) The existing state is always immutable. It should never be modified.\n * 2.) All functions that operate on the state should always clone the state and\n *     modify the cloned state before returning it.\n *\n * It's important that the states remain immutable because they are diff'd in\n * the message_drawer_view_conversation_patcher module in order to work out what\n * has changed.\n *\n * @module     core_message/message_drawer_view_conversation_state_manager\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Clone a state, a state is a collection of information about the variables required to build\n     * the conversation user interface.\n     *\n     * @param  {Object} state State to clone\n     * @return {Object} newstate A copy of the state to clone.\n     */\n    var cloneState = function(state) {\n        // Do a deep extend to make sure we recursively copy objects and\n        // arrays so that the new state doesn't contain any references to\n        // the old state, e.g. adding a value to an array in the new state\n        // shouldn't also add it to the old state.\n        return $.extend(true, {}, state);\n    };\n\n    /**\n     * Format messages to be used in a state.\n     *\n     * @param  {Array} messages The messages to format.\n     * @param  {Number} loggedInUserId The logged in user id.\n     * @param  {Array} members The converstation members.\n     * @return {Array} Formatted messages.\n     */\n    var formatMessages = function(messages, loggedInUserId, members) {\n        return messages.map(function(message) {\n            var fromLoggedInUser = message.useridfrom == loggedInUserId;\n            return {\n                // Stringify the id.\n                id: \"\" + message.id,\n                fromLoggedInUser: fromLoggedInUser,\n                userFrom: members[message.useridfrom],\n                text: message.text,\n                timeCreated: message.timecreated ? parseInt(message.timecreated, 10) : null\n            };\n        });\n    };\n\n    /**\n     * Format members to be used in a state.\n     *\n     * @param  {Array} members The messages to format.\n     * @return {Array} Formatted members.\n     */\n    var formatMembers = function(members) {\n        return members.map(function(member) {\n            return {\n                id: member.id,\n                fullname: member.fullname,\n                profileurl: member.profileurl,\n                profileimageurl: member.profileimageurl,\n                profileimageurlsmall: member.profileimageurlsmall,\n                isonline:  member.isonline,\n                showonlinestatus: member.showonlinestatus,\n                isblocked: member.isblocked,\n                iscontact: member.iscontact,\n                isdeleted: member.isdeleted,\n                canmessage: member.canmessage,\n                canmessageevenifblocked: member.canmessageevenifblocked,\n                requirescontact: member.requirescontact,\n                contactrequests: member.contactrequests || []\n            };\n        });\n    };\n\n    /**\n     * Create an initial (blank) state.\n     *\n     * @param  {Number} midnight Midnight time.\n     * @param  {Number} loggedInUserId The logged in user id.\n     * @param  {Number} id The conversation id.\n     * @param  {Number} messagePollMin The message poll start timeout in seconds.\n     * @param  {Number} messagePollMax The message poll max timeout limit in seconds.\n     * @param  {Number} messagePollAfterMax The message poll frequency in seconds to reset to after max limit is reached.\n     * @return {Object} Initial state.\n     */\n    var buildInitialState = function(\n        midnight,\n        loggedInUserId,\n        id,\n        messagePollMin,\n        messagePollMax,\n        messagePollAfterMax\n    ) {\n        return {\n            midnight: midnight,\n            loggedInUserId: loggedInUserId,\n            id: id,\n            messagePollMin: messagePollMin,\n            messagePollMax: messagePollMax,\n            messagePollAfterMax: messagePollAfterMax,\n            name: null,\n            subname: null,\n            type: null,\n            totalMemberCount: null,\n            imageUrl: null,\n            isFavourite: null,\n            isMuted: null,\n            canDeleteMessagesForAllUsers: false,\n            deleteMessagesForAllUsers: false,\n            members: {},\n            messages: [],\n            hasTriedToLoadMessages: false,\n            loadingMessages: true,\n            loadingMembers: true,\n            loadingConfirmAction: false,\n            pendingBlockUserIds: [],\n            pendingUnblockUserIds: [],\n            pendingRemoveContactIds: [],\n            pendingAddContactIds: [],\n            pendingDeleteMessageIds: [],\n            pendingSendMessageIds: [],\n            pendingDeleteConversation: false,\n            selectedMessageIds: [],\n            showEmojiAutoComplete: false,\n            showEmojiPicker: false\n        };\n    };\n\n    /**\n     * Add messages to a state and sort them by timecreated.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messages Messages to add to state.\n     * @return {Object} state New state with added messages.\n     */\n    var addMessages = function(state, messages) {\n        var newState = cloneState(state);\n        var formattedMessages = formatMessages(messages, state.loggedInUserId, state.members);\n        formattedMessages = formattedMessages.map(function(message) {\n            message.sendState = null;\n            message.timeAdded = Date.now();\n            message.errorMessage = null;\n            return message;\n        });\n        var allMessages = state.messages.concat(formattedMessages);\n        // Sort the messages. Oldest to newest.\n        allMessages.sort(function(a, b) {\n            if (a.timeCreated === null && b.timeCreated === null) {\n                if (a.timeAdded < b.timeAdded) {\n                    return -1;\n                } else if (a.timeAdded > b.timeAdded) {\n                    return 1;\n                }\n            }\n\n            if (a.timeCreated === null && b.timeCreated !== null) {\n                // A comes after b.\n                return 1;\n            } else if (a.timeCreated !== null && b.timeCreated === null) {\n                // A comes before b.\n                return -1;\n            } else if (a.timeCreated < b.timeCreated) {\n                // A comes before b.\n                return -1;\n            } else if (a.timeCreated > b.timeCreated) {\n                // A comes after b.\n                return 1;\n            } else if (a.id < b.id) {\n                return -1;\n            } else if (a.id > b.id) {\n                return 1;\n            } else {\n                return 0;\n            }\n        });\n\n        // Filter out any duplicate messages.\n        newState.messages = allMessages.filter(function(message, index, sortedMessages) {\n            return !index || message.id != sortedMessages[index - 1].id;\n        });\n\n        return newState;\n    };\n\n    /**\n     * Update existing messages.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} data 2D array of old and new messages\n     * @return {Object} state.\n     */\n    var updateMessages = function(state, data) {\n        var newState = cloneState(state);\n        var updatesById = data.reduce(function(carry, messageData) {\n            var oldMessage = messageData[0];\n            var newMessage = messageData[1];\n            var formattedMessages = formatMessages([newMessage], state.loggedInUserId, state.members);\n            var formattedMessage = formattedMessages[0];\n\n            carry[oldMessage.id] = formattedMessage;\n            return carry;\n        }, {});\n\n        newState.messages = newState.messages.map(function(message) {\n            if (message.id in updatesById) {\n                return $.extend(message, updatesById[message.id]);\n            } else {\n                return message;\n            }\n        });\n\n        return newState;\n    };\n\n    /**\n     * Remove messages from state.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messages Messages to remove from state.\n     * @return {Object} state New state with removed messages.\n     */\n    var removeMessages = function(state, messages) {\n        var newState = cloneState(state);\n        var removeMessageIds = messages.map(function(message) {\n            return \"\" + message.id;\n        });\n        newState.messages = newState.messages.filter(function(message) {\n            return removeMessageIds.indexOf(message.id) < 0;\n        });\n\n        return newState;\n    };\n\n    /**\n     * Remove messages from state by message id.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Message ids to remove from state.\n     * @return {Object} state New state with removed messages.\n     */\n    var removeMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.messages = newState.messages.filter(function(message) {\n            return messageIds.indexOf(message.id) < 0;\n        });\n\n        return newState;\n    };\n\n    /**\n     * Add conversation member to state.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} members Conversation members to be added to state.\n     * @return {Object} New state with added members.\n     */\n    var addMembers = function(state, members) {\n        var newState = cloneState(state);\n        var formattedMembers = formatMembers(members);\n        formattedMembers.forEach(function(member) {\n            newState.members[member.id] = member;\n        });\n        return newState;\n    };\n\n    /**\n     * Remove members from state.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} members Members to be removed from state.\n     * @return {Object} New state with removed members.\n     */\n    var removeMembers = function(state, members) {\n        var newState = cloneState(state);\n        members.forEach(function(member) {\n            delete newState.members[member.id];\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state loading messages attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value New loading messages value.\n     * @return {Object} New state with loading messages attribute.\n     */\n    var setLoadingMessages = function(state, value) {\n        var newState = cloneState(state);\n        newState.loadingMessages = value;\n        if (state.loadingMessages && !value) {\n            // If we're going from loading to not loading then\n            // it means we've tried to load.\n            newState.hasTriedToLoadMessages = true;\n        }\n        return newState;\n    };\n\n    /**\n     * Set the state loading members attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value New loading members value.\n     * @return {Object} New state with loading members attribute.\n     */\n    var setLoadingMembers = function(state, value) {\n        var newState = cloneState(state);\n        newState.loadingMembers = value;\n        return newState;\n    };\n\n    /**\n     * Set the conversation id.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} value The ID.\n     * @return {Object} New state.\n     */\n    var setId = function(state, value) {\n        var newState = cloneState(state);\n        newState.id = value;\n        return newState;\n    };\n\n    /**\n     * Set the state name attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} value New name value.\n     * @return {Object} New state with name attribute.\n     */\n    var setName = function(state, value) {\n        var newState = cloneState(state);\n        newState.name = value;\n        return newState;\n    };\n\n    /**\n     * Set the state subname attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} value New subname value.\n     * @return {Object} New state.\n     */\n    var setSubname = function(state, value) {\n        var newState = cloneState(state);\n        newState.subname = value;\n        return newState;\n    };\n\n    /**\n     * Set the conversation type.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Int} type Conversation type.\n     * @return {Object} New state.\n     */\n    var setType = function(state, type) {\n        var newState = cloneState(state);\n        newState.type = type;\n        return newState;\n    };\n\n    /**\n     * Set whether the conversation is a favourite conversation.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} isFavourite If it's a favourite.\n     * @return {Object} New state.\n     */\n    var setIsFavourite = function(state, isFavourite) {\n        var newState = cloneState(state);\n        newState.isFavourite = isFavourite;\n        return newState;\n    };\n\n    /**\n     * Set whether the conversation is a muted conversation.\n     *\n     * @param  {Object} state Current state.\n     * @param  {bool} isMuted If it's muted.\n     * @return {Object} New state.\n     */\n    var setIsMuted = function(state, isMuted) {\n        var newState = cloneState(state);\n        newState.isMuted = isMuted;\n        return newState;\n    };\n\n    /**\n     * Set the total member count.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} count The count.\n     * @return {Object} New state.\n     */\n    var setTotalMemberCount = function(state, count) {\n        var newState = cloneState(state);\n        newState.totalMemberCount = count;\n        return newState;\n    };\n\n    /**\n     * Set the conversation image url.\n     *\n     * @param  {Object} state Current state.\n     * @param  {String} url The url to the image.\n     * @return {Object} New state.\n     */\n    var setImageUrl = function(state, url) {\n        var newState = cloneState(state);\n        newState.imageUrl = url;\n        return newState;\n    };\n\n    /**\n     * Set the state loading confirm action attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value New loading confirm action value.\n     * @return {Object} New state with loading confirm action attribute.\n     */\n    var setLoadingConfirmAction = function(state, value) {\n        var newState = cloneState(state);\n        newState.loadingConfirmAction = value;\n        return newState;\n    };\n\n    /**\n     * Set the state pending delete conversation attribute.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value New pending delete conversation value.\n     * @return {Object} New state with pending delete conversation attribute.\n     */\n    var setPendingDeleteConversation = function(state, value) {\n        var newState = cloneState(state);\n        newState.pendingDeleteConversation = value;\n        return newState;\n    };\n\n    /**\n     * Set the state of message to pending.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to delete.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setMessagesSendPendingById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.messages.forEach(function(message) {\n            if (messageIds.indexOf(message.id) >= 0) {\n                message.sendState = 'pending';\n                message.errorMessage = null;\n            }\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state of message to sent.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to delete.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setMessagesSendSuccessById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.messages.forEach(function(message) {\n            if (messageIds.indexOf(message.id) >= 0) {\n                message.sendState = 'sent';\n                message.errorMessage = null;\n            }\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state of messages to error.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to delete.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setMessagesSendFailById = function(state, messageIds, errorMessage) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.messages.forEach(function(message) {\n            if (messageIds.indexOf(message.id) >= 0) {\n                message.sendState = 'error';\n                message.errorMessage = errorMessage;\n            }\n        });\n        return newState;\n    };\n\n    /**\n     * Set the visibility of the emoji picker.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} show Should the emoji picker be shown.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setShowEmojiPicker = function(state, show) {\n        var newState = cloneState(state);\n        newState.showEmojiPicker = show;\n        return newState;\n    };\n\n    /**\n     * Set whether emojis auto complete suggestions should be shown.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} show Show the autocomplete\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var setShowEmojiAutoComplete = function(state, show) {\n        var newState = cloneState(state);\n        newState.showEmojiAutoComplete = show;\n        return newState;\n    };\n\n    /**\n     * Set the state pending block userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to block.\n     * @return {Object} New state with array of pending block userids.\n     */\n    var addPendingBlockUsersById = function(state, userIds) {\n        var newState = cloneState(state);\n        userIds.forEach(function(id) {\n            newState.pendingBlockUserIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state pending remove userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove.\n     * @return {Object} New state with array of pending remove userids.\n     */\n    var addPendingRemoveContactsById = function(state, userIds) {\n        var newState = cloneState(state);\n        userIds.forEach(function(id) {\n            newState.pendingRemoveContactIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state pending unblock userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to unblock.\n     * @return {Object} New state with array of pending unblock userids.\n     */\n    var addPendingUnblockUsersById = function(state, userIds) {\n        var newState = cloneState(state);\n        userIds.forEach(function(id) {\n            newState.pendingUnblockUserIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state pending add users to contacts userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to add users to contacts.\n     * @return {Object} New state with array of pending add users to contacts userids.\n     */\n    var addPendingAddContactsById = function(state, userIds) {\n        var newState = cloneState(state);\n        userIds.forEach(function(id) {\n            newState.pendingAddContactIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Set the state pending delete messages.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to delete.\n     * @return {Object} New state with array of pending delete message ids.\n     */\n    var addPendingDeleteMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds.forEach(function(id) {\n            newState.pendingDeleteMessageIds.push(id);\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending block userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove from the list of user ids to block.\n     * @return {Object} New state with array of pending block userids.\n     */\n    var removePendingBlockUsersById = function(state, userIds) {\n        var newState = cloneState(state);\n        newState.pendingBlockUserIds = newState.pendingBlockUserIds.filter(function(id) {\n            return userIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending remove userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove from the list of user ids to remove.\n     * @return {Object} New state with array of pending remove userids.\n     */\n    var removePendingRemoveContactsById = function(state, userIds) {\n        var newState = cloneState(state);\n        newState.pendingRemoveContactIds = newState.pendingRemoveContactIds.filter(function(id) {\n            return userIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending unblock userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove from the list of user ids to unblock.\n     * @return {Object} New state with array of pending unblock userids.\n     */\n    var removePendingUnblockUsersById = function(state, userIds) {\n        var newState = cloneState(state);\n        newState.pendingUnblockUserIds = newState.pendingUnblockUserIds.filter(function(id) {\n            return userIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending add to contacts userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} userIds User ids to remove from the list of user ids to add to contacts.\n     * @return {Object} New state with array of pending add to contacts userids.\n     */\n    var removePendingAddContactsById = function(state, userIds) {\n        var newState = cloneState(state);\n        newState.pendingAddContactIds = newState.pendingAddContactIds.filter(function(id) {\n            return userIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Update the state pending delete messages userids.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Message ids to remove from the list of messages to delete.\n     * @return {Object} New state with array of messages to delete.\n     */\n    var removePendingDeleteMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.pendingDeleteMessageIds = newState.pendingDeleteMessageIds.filter(function(id) {\n            return messageIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Add messages to state selected messages.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages that are selected.\n     * @return {Object} New state with array of not blocked members.\n     */\n    var addSelectedMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.selectedMessageIds = newState.selectedMessageIds.concat(messageIds);\n        return newState;\n    };\n\n    /**\n     * Remove messages from the state selected messages.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} messageIds Messages to remove from selected messages.\n     * @return {Object} New state with array of selected messages.\n     */\n    var removeSelectedMessagesById = function(state, messageIds) {\n        var newState = cloneState(state);\n        messageIds = messageIds.map(function(id) {\n            return \"\" + id;\n        });\n        newState.selectedMessageIds = newState.selectedMessageIds.filter(function(id) {\n            return messageIds.indexOf(id) < 0;\n        });\n        return newState;\n    };\n\n    /**\n     * Mark messages as read.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} readMessages Messages that are read.\n     * @return {Object} New state with array of messages that have the isread attribute set.\n     */\n    var markMessagesAsRead = function(state, readMessages) {\n        var newState = cloneState(state);\n        var readMessageIds = readMessages.map(function(message) {\n            return message.id;\n        });\n        newState.messages = newState.messages.map(function(message) {\n            if (readMessageIds.indexOf(message.id) >= 0) {\n                message.isRead = true;\n            }\n\n            return message;\n        });\n        return newState;\n    };\n\n    /**\n     * Add a contact request to each of the members that the request is for.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} requests The contact requests\n     * @return {Object} New state\n     */\n    var addContactRequests = function(state, requests) {\n        var newState = cloneState(state);\n\n        requests.forEach(function(request) {\n            var fromUserId = request.userid;\n            var toUserId = request.requesteduserid;\n            newState.members[fromUserId].contactrequests.push(request);\n            newState.members[toUserId].contactrequests.push(request);\n        });\n\n        return newState;\n    };\n\n    /**\n     * Remove a contact request from the members of that request.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Array} requests The contact requests\n     * @return {Object} New state\n     */\n    var removeContactRequests = function(state, requests) {\n        var newState = cloneState(state);\n        requests.forEach(function(request) {\n            var fromUserId = request.userid;\n            var toUserId = request.requesteduserid;\n\n            newState.members[fromUserId].contactrequests = newState.members[fromUserId].contactrequests.filter(function(existing) {\n                return existing.userid != fromUserId;\n            });\n            newState.members[toUserId].contactrequests = newState.members[toUserId].contactrequests.filter(function(existing) {\n                return existing.requesteduserid != toUserId;\n            });\n        });\n\n        return newState;\n    };\n\n    /**\n     * Set wheter the message of the conversation can delete for all users.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value If it can delete for all users.\n     * @return {Object} New state.\n     */\n    var setCanDeleteMessagesForAllUsers = function(state, value) {\n        var newState = cloneState(state);\n        newState.canDeleteMessagesForAllUsers = value;\n        return newState;\n    };\n\n    /**\n     * Set wheter the messages of the conversation delete for all users.\n     *\n     * @param  {Object} state Current state.\n     * @param  {Bool} value Delete messages for all users.\n     * @return {Object} New state.\n     */\n    var setDeleteMessagesForAllUsers = function(state, value) {\n        var newState = cloneState(state);\n        newState.deleteMessagesForAllUsers = value;\n        return newState;\n    };\n\n    return {\n        buildInitialState: buildInitialState,\n        addMessages: addMessages,\n        updateMessages: updateMessages,\n        removeMessages: removeMessages,\n        removeMessagesById: removeMessagesById,\n        addMembers: addMembers,\n        removeMembers: removeMembers,\n        setLoadingMessages: setLoadingMessages,\n        setLoadingMembers: setLoadingMembers,\n        setId: setId,\n        setName: setName,\n        setSubname: setSubname,\n        setType: setType,\n        setIsFavourite: setIsFavourite,\n        setIsMuted: setIsMuted,\n        setCanDeleteMessagesForAllUsers: setCanDeleteMessagesForAllUsers,\n        setDeleteMessagesForAllUsers: setDeleteMessagesForAllUsers,\n        setTotalMemberCount: setTotalMemberCount,\n        setImageUrl: setImageUrl,\n        setLoadingConfirmAction: setLoadingConfirmAction,\n        setPendingDeleteConversation: setPendingDeleteConversation,\n        setMessagesSendPendingById: setMessagesSendPendingById,\n        setMessagesSendSuccessById: setMessagesSendSuccessById,\n        setMessagesSendFailById: setMessagesSendFailById,\n        setShowEmojiAutoComplete: setShowEmojiAutoComplete,\n        setShowEmojiPicker: setShowEmojiPicker,\n        addPendingBlockUsersById: addPendingBlockUsersById,\n        addPendingRemoveContactsById: addPendingRemoveContactsById,\n        addPendingUnblockUsersById: addPendingUnblockUsersById,\n        addPendingAddContactsById: addPendingAddContactsById,\n        addPendingDeleteMessagesById: addPendingDeleteMessagesById,\n        removePendingBlockUsersById: removePendingBlockUsersById,\n        removePendingRemoveContactsById: removePendingRemoveContactsById,\n        removePendingUnblockUsersById: removePendingUnblockUsersById,\n        removePendingAddContactsById: removePendingAddContactsById,\n        removePendingDeleteMessagesById: removePendingDeleteMessagesById,\n        addSelectedMessagesById: addSelectedMessagesById,\n        removeSelectedMessagesById: removeSelectedMessagesById,\n        markMessagesAsRead: markMessagesAsRead,\n        addContactRequests: addContactRequests,\n        removeContactRequests: 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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_group_info.min.js b/message/amd/build/message_drawer_view_group_info.min.js
index bf2860372a5..8b83da2fa67 100644
--- a/message/amd/build/message_drawer_view_group_info.min.js
+++ b/message/amd/build/message_drawer_view_group_info.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_drawer_view_group_info",["jquery","core/str","core/templates","core_message/message_repository","core_message/message_drawer_lazy_load_list"],function(a,b,c,d,e){var f={CONTENT_CONTAINER:"[data-region=\"group-info-content-container\"]",MEMBERS_LIST:"[data-region=\"members-list\"]"},g={CONTENT:"core_message/message_drawer_view_group_info_body_content",MEMBERS_LIST:"core_message/message_drawer_view_group_info_participants_list"},h=function(a){return a.find(f.CONTENT_CONTAINER)},i=function(a,b,d){var e=50<b.totalMemberCount?50:b.totalMemberCount,f=Array.apply(null,Array(e)).map(function(){return!0}),i={name:b.name,subname:b.subname,imageurl:b.imageUrl,placeholders:f,loggedinuser:{id:d}};return c.render(g.CONTENT,i).then(function(b){h(a).append(b);return b})},j=function(a,b,c){return function(f,g){return d.getConversationMembers(a.id,g,b+1,c).then(function(a){if(a.length>b){a=a.slice(0,-1)}else{e.setLoadedAll(f,!0)}c=c+b;return a.filter(function(a){return a.id!=g})})}},k=function(a,b){return c.render(g.MEMBERS_LIST,{contacts:b}).then(function(b){a.append(b);return b})};return{show:function show(b,c,d,f,g,l){var m=a(d);h(m).empty();return i(m,g,l).then(function(){var a=e.getRoot(m);e.show(a,j(g,50,0),k)})},description:function description(a,c){return b.get_string("messagedrawerviewgroupinfo","core_message",c.name)}}});
-//# sourceMappingURL=message_drawer_view_group_info.min.js.map
+/**
+ * Controls the group info page of the message drawer.
+ *
+ * @module     core_message/message_drawer_view_group_info
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_group_info",["jquery","core/str","core/templates","core_message/message_repository","core_message/message_drawer_lazy_load_list"],(function($,Str,Templates,Repository,LazyLoadList){var SELECTORS_CONTENT_CONTAINER='[data-region="group-info-content-container"]',TEMPLATES_CONTENT="core_message/message_drawer_view_group_info_body_content",TEMPLATES_MEMBERS_LIST="core_message/message_drawer_view_group_info_participants_list",getContentContainer=function(root){return root.find(SELECTORS_CONTENT_CONTAINER)},renderMembersCallback=function(contentContainer,members){return Templates.render(TEMPLATES_MEMBERS_LIST,{contacts:members}).then((function(html){return contentContainer.append(html),html}))};return{show:function(namespace,header,body,footer,conversation,loggedInUserId){var root=$(body);return getContentContainer(root).empty(),function(root,conversation,loggedInUserId){var placeholderCount=conversation.totalMemberCount>50?50:conversation.totalMemberCount,placeholders=Array.apply(null,Array(placeholderCount)).map((function(){return!0})),templateContext={name:conversation.name,subname:conversation.subname,imageurl:conversation.imageUrl,placeholders:placeholders,loggedinuser:{id:loggedInUserId}};return Templates.render(TEMPLATES_CONTENT,templateContext).then((function(html){return getContentContainer(root).append(html),html}))}(root,conversation,loggedInUserId).then((function(){var listRoot=LazyLoadList.getRoot(root);LazyLoadList.show(listRoot,function(conversation,limit,offset){return function(root,userId){return Repository.getConversationMembers(conversation.id,userId,limit+1,offset).then((function(members){return members.length>limit?members=members.slice(0,-1):LazyLoadList.setLoadedAll(root,!0),offset+=limit,members.filter((function(member){return member.id!=userId}))}))}}(conversation,50,0),renderMembersCallback)}))},description:function(root,conversation){return Str.get_string("messagedrawerviewgroupinfo","core_message",conversation.name)}}}));
+
+//# sourceMappingURL=message_drawer_view_group_info.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_group_info.min.js.map b/message/amd/build/message_drawer_view_group_info.min.js.map
index 992835602e8..31a027214cb 100644
--- a/message/amd/build/message_drawer_view_group_info.min.js.map
+++ b/message/amd/build/message_drawer_view_group_info.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the group info page of the message drawer.\n *\n * @module     core_message/message_drawer_view_group_info\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/str',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_lazy_load_list',\n],\nfunction(\n    $,\n    Str,\n    Templates,\n    Repository,\n    LazyLoadList\n) {\n\n    var LOAD_MEMBERS_LIMIT = 50;\n\n    var SELECTORS = {\n        CONTENT_CONTAINER: '[data-region=\"group-info-content-container\"]',\n        MEMBERS_LIST: '[data-region=\"members-list\"]',\n    };\n\n    var TEMPLATES = {\n        CONTENT: 'core_message/message_drawer_view_group_info_body_content',\n        MEMBERS_LIST: 'core_message/message_drawer_view_group_info_participants_list'\n    };\n\n    /**\n     * Get the content container of the group info view container.\n     *\n     * @param {Object} root Contact container element.\n     * @return {Object} jQuery object\n     */\n    var getContentContainer = function(root) {\n        return root.find(SELECTORS.CONTENT_CONTAINER);\n    };\n\n    /**\n     * Render the group info page.\n     *\n     * @param {Object} root Container element.\n     * @param {Object} conversation The group conversation.\n     * @param {Number} loggedInUserId The logged in user's id.\n     * @return {Object} jQuery promise\n     */\n    var render = function(root, conversation, loggedInUserId) {\n        var placeholderCount = conversation.totalMemberCount > 50 ? 50 : conversation.totalMemberCount;\n        var placeholders = Array.apply(null, Array(placeholderCount)).map(function() {\n            return true;\n        });\n        var templateContext = {\n            name: conversation.name,\n            subname: conversation.subname,\n            imageurl: conversation.imageUrl,\n            placeholders: placeholders,\n            loggedinuser: {\n                id: loggedInUserId\n            }\n        };\n\n        return Templates.render(TEMPLATES.CONTENT, templateContext)\n            .then(function(html) {\n                getContentContainer(root).append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Get the callback to load members of the conversation.\n     *\n     * @param {Object} conversation The conversation\n     * @param {Number} limit How many members to load\n     * @param {Number} offset How many memebers to skip\n     * @return {Function} the callback.\n     */\n    var getLoadMembersCallback = function(conversation, limit, offset) {\n        return function(root, userId) {\n            return Repository.getConversationMembers(conversation.id, userId, limit + 1, offset)\n                .then(function(members) {\n                    if (members.length > limit) {\n                        members = members.slice(0, -1);\n                    } else {\n                        LazyLoadList.setLoadedAll(root, true);\n                    }\n\n                    offset = offset + limit;\n\n                    // Filter out the logged in user so that they don't appear in the list.\n                    return members.filter(function(member) {\n                        return member.id != userId;\n                    });\n                });\n        };\n    };\n\n    /**\n     * Function to render the members in the list.\n     *\n     * @param {Object} contentContainer The list content container.\n     * @param {Array} members The list of members to render\n     * @return {Object} jQuery promise\n     */\n    var renderMembersCallback = function(contentContainer, members) {\n        return Templates.render(TEMPLATES.MEMBERS_LIST, {contacts: members})\n            .then(function(html) {\n                contentContainer.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Setup the contact page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contact header container element.\n     * @param {Object} body Contact body container element.\n     * @param {Object} footer Contact body container element.\n     * @param {Number} conversation The conversation\n     * @param {Number} loggedInUserId The logged in user id\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, conversation, loggedInUserId) {\n        var root = $(body);\n\n        getContentContainer(root).empty();\n        return render(root, conversation, loggedInUserId)\n            .then(function() {\n                var listRoot = LazyLoadList.getRoot(root);\n                LazyLoadList.show(\n                    listRoot,\n                    getLoadMembersCallback(conversation, LOAD_MEMBERS_LIMIT, 0),\n                    renderMembersCallback\n                );\n                return;\n            });\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @param {Object} root Contact container element.\n     * @param {Number} conversation The conversation\n     * @return {Object} jQuery promise\n     */\n    var description = function(root, conversation) {\n        return Str.get_string('messagedrawerviewgroupinfo', 'core_message', conversation.name);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_group_info.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_group_info.min.js","sources":["../src/message_drawer_view_group_info.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the group info page of the message drawer.\n *\n * @module     core_message/message_drawer_view_group_info\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/str',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_lazy_load_list',\n],\nfunction(\n    $,\n    Str,\n    Templates,\n    Repository,\n    LazyLoadList\n) {\n\n    var LOAD_MEMBERS_LIMIT = 50;\n\n    var SELECTORS = {\n        CONTENT_CONTAINER: '[data-region=\"group-info-content-container\"]',\n        MEMBERS_LIST: '[data-region=\"members-list\"]',\n    };\n\n    var TEMPLATES = {\n        CONTENT: 'core_message/message_drawer_view_group_info_body_content',\n        MEMBERS_LIST: 'core_message/message_drawer_view_group_info_participants_list'\n    };\n\n    /**\n     * Get the content container of the group info view container.\n     *\n     * @param {Object} root Contact container element.\n     * @return {Object} jQuery object\n     */\n    var getContentContainer = function(root) {\n        return root.find(SELECTORS.CONTENT_CONTAINER);\n    };\n\n    /**\n     * Render the group info page.\n     *\n     * @param {Object} root Container element.\n     * @param {Object} conversation The group conversation.\n     * @param {Number} loggedInUserId The logged in user's id.\n     * @return {Object} jQuery promise\n     */\n    var render = function(root, conversation, loggedInUserId) {\n        var placeholderCount = conversation.totalMemberCount > 50 ? 50 : conversation.totalMemberCount;\n        var placeholders = Array.apply(null, Array(placeholderCount)).map(function() {\n            return true;\n        });\n        var templateContext = {\n            name: conversation.name,\n            subname: conversation.subname,\n            imageurl: conversation.imageUrl,\n            placeholders: placeholders,\n            loggedinuser: {\n                id: loggedInUserId\n            }\n        };\n\n        return Templates.render(TEMPLATES.CONTENT, templateContext)\n            .then(function(html) {\n                getContentContainer(root).append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Get the callback to load members of the conversation.\n     *\n     * @param {Object} conversation The conversation\n     * @param {Number} limit How many members to load\n     * @param {Number} offset How many memebers to skip\n     * @return {Function} the callback.\n     */\n    var getLoadMembersCallback = function(conversation, limit, offset) {\n        return function(root, userId) {\n            return Repository.getConversationMembers(conversation.id, userId, limit + 1, offset)\n                .then(function(members) {\n                    if (members.length > limit) {\n                        members = members.slice(0, -1);\n                    } else {\n                        LazyLoadList.setLoadedAll(root, true);\n                    }\n\n                    offset = offset + limit;\n\n                    // Filter out the logged in user so that they don't appear in the list.\n                    return members.filter(function(member) {\n                        return member.id != userId;\n                    });\n                });\n        };\n    };\n\n    /**\n     * Function to render the members in the list.\n     *\n     * @param {Object} contentContainer The list content container.\n     * @param {Array} members The list of members to render\n     * @return {Object} jQuery promise\n     */\n    var renderMembersCallback = function(contentContainer, members) {\n        return Templates.render(TEMPLATES.MEMBERS_LIST, {contacts: members})\n            .then(function(html) {\n                contentContainer.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Setup the contact page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contact header container element.\n     * @param {Object} body Contact body container element.\n     * @param {Object} footer Contact body container element.\n     * @param {Number} conversation The conversation\n     * @param {Number} loggedInUserId The logged in user id\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, conversation, loggedInUserId) {\n        var root = $(body);\n\n        getContentContainer(root).empty();\n        return render(root, conversation, loggedInUserId)\n            .then(function() {\n                var listRoot = LazyLoadList.getRoot(root);\n                LazyLoadList.show(\n                    listRoot,\n                    getLoadMembersCallback(conversation, LOAD_MEMBERS_LIMIT, 0),\n                    renderMembersCallback\n                );\n                return;\n            });\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @param {Object} root Contact container element.\n     * @param {Number} conversation The conversation\n     * @return {Object} jQuery promise\n     */\n    var description = function(root, conversation) {\n        return Str.get_string('messagedrawerviewgroupinfo', 'core_message', conversation.name);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"names":["define","$","Str","Templates","Repository","LazyLoadList","SELECTORS","TEMPLATES","getContentContainer","root","find","renderMembersCallback","contentContainer","members","render","contacts","then","html","append","show","namespace","header","body","footer","conversation","loggedInUserId","empty","placeholderCount","totalMemberCount","placeholders","Array","apply","map","templateContext","name","subname","imageurl","imageUrl","loggedinuser","id","listRoot","getRoot","limit","offset","userId","getConversationMembers","length","slice","setLoadedAll","filter","member","getLoadMembersCallback","description","get_string"],"mappings":";;;;;;;AAsBAA,qDACA,CACI,SACA,WACA,iBACA,kCACA,+CAEJ,SACIC,EACAC,IACAC,UACAC,WACAC,kBAKIC,4BACmB,+CAInBC,kBACS,2DADTA,uBAEc,gEASdC,oBAAsB,SAASC,aACxBA,KAAKC,KAAKJ,8BAoEjBK,sBAAwB,SAASC,iBAAkBC,gBAC5CV,UAAUW,OAAOP,uBAAwB,CAACQ,SAAUF,UACtDG,MAAK,SAASC,aACXL,iBAAiBM,OAAOD,MACjBA,eA0CZ,CACHE,KA5BO,SAASC,UAAWC,OAAQC,KAAMC,OAAQC,aAAcC,oBAC3DhB,KAAOR,EAAEqB,aAEbd,oBAAoBC,MAAMiB,QA/EjB,SAASjB,KAAMe,aAAcC,oBAClCE,iBAAmBH,aAAaI,iBAAmB,GAAK,GAAKJ,aAAaI,iBAC1EC,aAAeC,MAAMC,MAAM,KAAMD,MAAMH,mBAAmBK,KAAI,kBACvD,KAEPC,gBAAkB,CAClBC,KAAMV,aAAaU,KACnBC,QAASX,aAAaW,QACtBC,SAAUZ,aAAaa,SACvBR,aAAcA,aACdS,aAAc,CACVC,GAAId,wBAILtB,UAAUW,OAAOP,kBAAmB0B,iBACtCjB,MAAK,SAASC,aACXT,oBAAoBC,MAAMS,OAAOD,MAC1BA,QA8DRH,CAAOL,KAAMe,aAAcC,gBAC7BT,MAAK,eACEwB,SAAWnC,aAAaoC,QAAQhC,MACpCJ,aAAac,KACTqB,SAtDa,SAAShB,aAAckB,MAAOC,eAChD,SAASlC,KAAMmC,eACXxC,WAAWyC,uBAAuBrB,aAAae,GAAIK,OAAQF,MAAQ,EAAGC,QACxE3B,MAAK,SAASH,gBACPA,QAAQiC,OAASJ,MACjB7B,QAAUA,QAAQkC,MAAM,GAAI,GAE5B1C,aAAa2C,aAAavC,MAAM,GAGpCkC,QAAkBD,MAGX7B,QAAQoC,QAAO,SAASC,eACpBA,OAAOX,IAAMK,cAyCxBO,CAAuB3B,aAnHd,GAmHgD,GACzDb,2BAmBZyC,YANc,SAAS3C,KAAMe,qBACtBtB,IAAImD,WAAW,6BAA8B,eAAgB7B,aAAaU"}
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diff --git a/message/amd/build/message_drawer_view_overview.min.js b/message/amd/build/message_drawer_view_overview.min.js
index 3bf5b894014..dff859641fa 100644
--- a/message/amd/build/message_drawer_view_overview.min.js
+++ b/message/amd/build/message_drawer_view_overview.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_drawer_view_overview",["jquery","core/key_codes","core/pubsub","core/str","core_message/message_drawer_router","core_message/message_drawer_routes","core_message/message_drawer_events","core_message/message_drawer_view_overview_section","core_message/message_repository","core_message/message_drawer_view_conversation_constants"],function(a,b,c,d,e,f,g,h,i,j){var k={CONTACT_REQUEST_COUNT:"[data-region=\"contact-request-count\"]",FAVOURITES:"[data-region=\"view-overview-favourites\"]",GROUP_MESSAGES:"[data-region=\"view-overview-group-messages\"]",MESSAGES:"[data-region=\"view-overview-messages\"]",SEARCH_INPUT:"[data-region=\"view-overview-search-input\"]",SECTION_TOGGLE_BUTTON:"[data-toggle]"},l={PRIVATE:[j.CONVERSATION_TYPES.PRIVATE,j.CONVERSATION_TYPES.SELF],PUBLIC:[j.CONVERSATION_TYPES.PUBLIC],FAVOURITE:null},m=null,n=function(a){if(null===m){m=i.getAllConversationCounts(a)}return m},o=function(a,b,c){var d=0;if(b&&b.length){d=b.reduce(function(b,c){return b+a.types[c]},d)}if(c){d+=a.favourites}return d},p=function(a){var b=a.some(function(a){var b=a[0];return h.isVisible(b)});if(b){return}a.sort(function(c,a){var b=c[1],d=c[2],e=a[1],f=a[2];if(0<d&&0==f){return-1}else if(0==d&&0<f){return 1}else if(0<b&&0==e){return-1}else if(0==b&&0<e){return 1}else{return 0}});var c=a[0][0],d=c.find(k.SECTION_TOGGLE_BUTTON);d.click()},q=function(a){return a.find(k.SEARCH_INPUT)},r=function(a){return a.attr("data-user-id")},s=function(a){return function(){var b=a.find(k.CONTACT_REQUEST_COUNT),c=parseInt(b.text(),10);c=isNaN(c)?0:c-1;if(0>=c){b.addClass("hidden")}else{b.text(c)}}},t=function(a,d){var h=q(d),i=[b.tab,b.shift,b.ctrl,b.alt];h.on("click",function(){e.go(a,f.VIEW_SEARCH)});h.on("keydown",function(b){if(0>i.indexOf(b.keyCode)&&"Meta"!=b.key){e.go(a,f.VIEW_SEARCH)}});c.subscribe(g.CONTACT_REQUEST_ACCEPTED,s(d));c.subscribe(g.CONTACT_REQUEST_DECLINED,s(d))};return{show:function show(a,b,c){if(!b.attr("data-init")){t(a,b);b.attr("data-init",!0)}var d=b.attr("data-in-panel")?"frompanel":null;q(b).val("");var e=r(c),f=n(e),g=[[c.find(k.FAVOURITES),l.FAVOURITE,!0],[c.find(k.GROUP_MESSAGES),l.PUBLIC,!1],[c.find(k.MESSAGES),l.PRIVATE,!1]];g.forEach(function(b){var c=b[0],e=b[1],g=b[2],i=f.then(function(a){return o(a.total,e,g)}),j=f.then(function(a){return o(a.unread,e,g)});h.show(a,null,c,null,e,g,i,j,d)});return f.then(function(a){var b=g.map(function(b){var c=b[0],d=b[1],e=b[2],f=o(a.total,d,e),g=o(a.unread,d,e);return[c,f,g]});return p(b)})},description:function description(){return d.get_string("messagedrawerviewoverview","core_message")}}});
-//# sourceMappingURL=message_drawer_view_overview.min.js.map
+/**
+ * Controls the overview page of the message drawer.
+ *
+ * @module     core_message/message_drawer_view_overview
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_overview",["jquery","core/key_codes","core/pubsub","core/str","core_message/message_drawer_router","core_message/message_drawer_routes","core_message/message_drawer_events","core_message/message_drawer_view_overview_section","core_message/message_repository","core_message/message_drawer_view_conversation_constants"],(function($,KeyCodes,PubSub,Str,Router,Routes,MessageDrawerEvents,Section,MessageRepository,Constants){var SELECTORS_CONTACT_REQUEST_COUNT='[data-region="contact-request-count"]',SELECTORS_FAVOURITES='[data-region="view-overview-favourites"]',SELECTORS_GROUP_MESSAGES='[data-region="view-overview-group-messages"]',SELECTORS_MESSAGES='[data-region="view-overview-messages"]',SELECTORS_SEARCH_INPUT='[data-region="view-overview-search-input"]',SELECTORS_SECTION_TOGGLE_BUTTON="[data-toggle]",OVERVIEW_SECTION_TYPES={PRIVATE:[Constants.CONVERSATION_TYPES.PRIVATE,Constants.CONVERSATION_TYPES.SELF],PUBLIC:[Constants.CONVERSATION_TYPES.PUBLIC],FAVOURITE:null},loadAllCountsPromise=null,filterCountsByTypes=function(counts,types,includeFavourites){var total=0;return types&&types.length&&(total=types.reduce((function(carry,type){return carry+counts.types[type]}),total)),includeFavourites&&(total+=counts.favourites),total},getSearchInput=function(header){return header.find(SELECTORS_SEARCH_INPUT)},decrementContactRequestCount=function(header){return function(){var countContainer=header.find(SELECTORS_CONTACT_REQUEST_COUNT),count=parseInt(countContainer.text(),10);(count=isNaN(count)?0:count-1)<=0?countContainer.addClass("hidden"):countContainer.text(count)}};return{show:function(namespace,header,body){header.attr("data-init")||(!function(namespace,header){var searchInput=getSearchInput(header),ignoredKeys=[KeyCodes.tab,KeyCodes.shift,KeyCodes.ctrl,KeyCodes.alt];searchInput.on("click",(function(){Router.go(namespace,Routes.VIEW_SEARCH)})),searchInput.on("keydown",(function(e){ignoredKeys.indexOf(e.keyCode)<0&&"Meta"!=e.key&&Router.go(namespace,Routes.VIEW_SEARCH)})),PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED,decrementContactRequestCount(header)),PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED,decrementContactRequestCount(header))}(namespace,header),header.attr("data-init",!0));var fromPanel=header.attr("data-in-panel")?"frompanel":null;getSearchInput(header).val("");var loggedInUserId=function(body){return body.attr("data-user-id")}(body),allCounts=function(loggedInUserId){return null===loadAllCountsPromise&&(loadAllCountsPromise=MessageRepository.getAllConversationCounts(loggedInUserId)),loadAllCountsPromise}(loggedInUserId),sections=[[body.find(SELECTORS_FAVOURITES),OVERVIEW_SECTION_TYPES.FAVOURITE,!0],[body.find(SELECTORS_GROUP_MESSAGES),OVERVIEW_SECTION_TYPES.PUBLIC,!1],[body.find(SELECTORS_MESSAGES),OVERVIEW_SECTION_TYPES.PRIVATE,!1]];return sections.forEach((function(args){var sectionRoot=args[0],sectionTypes=args[1],includeFavourites=args[2],totalCountPromise=allCounts.then((function(result){return filterCountsByTypes(result.total,sectionTypes,includeFavourites)})),unreadCountPromise=allCounts.then((function(result){return filterCountsByTypes(result.unread,sectionTypes,includeFavourites)}));Section.show(namespace,null,sectionRoot,null,sectionTypes,includeFavourites,totalCountPromise,unreadCountPromise,fromPanel)})),allCounts.then((function(result){return function(sections){sections.some((function(section){var sectionRoot=section[0];return Section.isVisible(sectionRoot)}))||(sections.sort((function(a,b){var aTotal=a[1],aUnread=a[2],bTotal=b[1],bUnread=b[2];return aUnread>0&&0==bUnread?-1:0==aUnread&&bUnread>0?1:aTotal>0&&0==bTotal?-1:0==aTotal&&bTotal>0?1:0})),sections[0][0].find(SELECTORS_SECTION_TOGGLE_BUTTON).click())}(sections.map((function(section){var sectionRoot=section[0],sectionTypes=section[1],includeFavourites=section[2];return[sectionRoot,filterCountsByTypes(result.total,sectionTypes,includeFavourites),filterCountsByTypes(result.unread,sectionTypes,includeFavourites)]})))}))},description:function(){return Str.get_string("messagedrawerviewoverview","core_message")}}}));
+
+//# sourceMappingURL=message_drawer_view_overview.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_overview.min.js.map b/message/amd/build/message_drawer_view_overview.min.js.map
index 4b01032db2f..fd931949215 100644
--- a/message/amd/build/message_drawer_view_overview.min.js.map
+++ b/message/amd/build/message_drawer_view_overview.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the overview page of the message drawer.\n *\n * @module     core_message/message_drawer_view_overview\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/key_codes',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_view_overview_section',\n    'core_message/message_repository',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    KeyCodes,\n    PubSub,\n    Str,\n    Router,\n    Routes,\n    MessageDrawerEvents,\n    Section,\n    MessageRepository,\n    Constants\n) {\n\n    var SELECTORS = {\n        CONTACT_REQUEST_COUNT: '[data-region=\"contact-request-count\"]',\n        FAVOURITES: '[data-region=\"view-overview-favourites\"]',\n        GROUP_MESSAGES: '[data-region=\"view-overview-group-messages\"]',\n        MESSAGES: '[data-region=\"view-overview-messages\"]',\n        SEARCH_INPUT: '[data-region=\"view-overview-search-input\"]',\n        SECTION_TOGGLE_BUTTON: '[data-toggle]'\n    };\n\n    // Categories displayed in the message drawer. Some methods (such as filterCountsByType) are expecting their value\n    // will be the same as the defined in the CONVERSATION_TYPES, except for the favourite.\n    var OVERVIEW_SECTION_TYPES = {\n        PRIVATE: [Constants.CONVERSATION_TYPES.PRIVATE, Constants.CONVERSATION_TYPES.SELF],\n        PUBLIC: [Constants.CONVERSATION_TYPES.PUBLIC],\n        FAVOURITE: null\n    };\n\n    var loadAllCountsPromise = null;\n\n    /**\n     * Load the total and unread conversation counts from the server for this user. This function\n     * returns a jQuery promise that will be resolved with the counts.\n     *\n     * The request is only sent once per page load and will be cached for subsequent\n     * calls to this function.\n     *\n     * @param {Number} loggedInUserId The logged in user's id\n     * @return {Object} jQuery promise\n     */\n    var loadAllCounts = function(loggedInUserId) {\n        if (loadAllCountsPromise === null) {\n            loadAllCountsPromise = MessageRepository.getAllConversationCounts(loggedInUserId);\n        }\n\n        return loadAllCountsPromise;\n    };\n\n    /**\n     * Filter a set of counts to return only the count for the given type.\n     *\n     * This is used on the result returned by the loadAllCounts function.\n     *\n     * @param {Object} counts Conversation counts indexed by conversation type.\n     * @param {Array|null} types The conversation types handlded by this section (null for all conversation types).\n     * @param {bool} includeFavourites If this section includes favourites\n     * @return {Number}\n     */\n    var filterCountsByTypes = function(counts, types, includeFavourites) {\n        var total = 0;\n\n        if (types && types.length) {\n            total = types.reduce(function(carry, type) {\n                return carry + counts.types[type];\n            }, total);\n        }\n\n        if (includeFavourites) {\n            total += counts.favourites;\n        }\n\n        return total;\n    };\n\n    /**\n     * Opens one of the sections based on whether the section has unread conversations\n     * or any conversations\n     *\n     * Default section priority is favourites, groups, then messages. A section can increase\n     * in priority if it has conversations in it. It can increase even further if it has\n     * unread conversations.\n     *\n     * @param {Array} sections List of section roots, total counts, and unread counts.\n     */\n    var openSection = function(sections) {\n        var isAlreadyOpen = sections.some(function(section) {\n            var sectionRoot = section[0];\n            return Section.isVisible(sectionRoot);\n        });\n\n        if (isAlreadyOpen) {\n            // The user has already opened a section so there is nothing to do.\n            return;\n        }\n\n        // Order the sections so that sections with unread conversations are prioritised\n        // over sections without and sections with total conversations are prioritised\n        // over sections without.\n        sections.sort(function(a, b) {\n            var aTotal = a[1];\n            var aUnread = a[2];\n            var bTotal = b[1];\n            var bUnread = b[2];\n\n            if (aUnread > 0 && bUnread == 0) {\n                return -1;\n            } else if (aUnread == 0 && bUnread > 0) {\n                return 1;\n            } else if (aTotal > 0 && bTotal == 0) {\n                return -1;\n            } else if (aTotal == 0 && bTotal > 0) {\n                return 1;\n            } else {\n                return 0;\n            }\n        });\n\n        // Get the root of the first section after sorting.\n        var sectionRoot = sections[0][0];\n        var button = sectionRoot.find(SELECTORS.SECTION_TOGGLE_BUTTON);\n        // Click it to expand it.\n        button.click();\n    };\n\n    /**\n     * Get the search input text element.\n     *\n     * @param  {Object} header Overview header container element.\n     * @return {Object} The search input element.\n     */\n    var getSearchInput = function(header) {\n        return header.find(SELECTORS.SEARCH_INPUT);\n    };\n\n    /**\n     * Get the logged in user id.\n     *\n     * @param {Object} body Overview body container element.\n     * @return {String} Logged in user id.\n     */\n    var getLoggedInUserId = function(body) {\n        return body.attr('data-user-id');\n    };\n\n    /**\n     * Decrement the contact request count. If the count is zero or below then\n     * hide the count.\n     *\n     * @param {Object} header Conversation header container element.\n     * @return {Function} A function to handle decrementing the count.\n     */\n    var decrementContactRequestCount = function(header) {\n        return function() {\n            var countContainer = header.find(SELECTORS.CONTACT_REQUEST_COUNT);\n            var count = parseInt(countContainer.text(), 10);\n            count = isNaN(count) ? 0 : count - 1;\n\n            if (count <= 0) {\n                countContainer.addClass('hidden');\n            } else {\n                countContainer.text(count);\n            }\n        };\n    };\n\n    /**\n     * Listen to, and handle event in the overview header.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} header Conversation header container element.\n     */\n    var registerEventListeners = function(namespace, header) {\n        var searchInput = getSearchInput(header);\n        var ignoredKeys = [KeyCodes.tab, KeyCodes.shift, KeyCodes.ctrl, KeyCodes.alt];\n\n        searchInput.on('click', function() {\n            Router.go(namespace, Routes.VIEW_SEARCH);\n        });\n        searchInput.on('keydown', function(e) {\n            if (ignoredKeys.indexOf(e.keyCode) < 0 && e.key != 'Meta') {\n                Router.go(namespace, Routes.VIEW_SEARCH);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, decrementContactRequestCount(header));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, decrementContactRequestCount(header));\n    };\n\n    /**\n     * Setup the overview page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} header Overview header container element.\n     * @param {Object} body Overview body container element.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body) {\n        if (!header.attr('data-init')) {\n            registerEventListeners(namespace, header);\n            header.attr('data-init', true);\n        }\n        var fromPanel = header.attr('data-in-panel') ? 'frompanel' : null;\n\n        getSearchInput(header).val('');\n        var loggedInUserId = getLoggedInUserId(body);\n        var allCounts = loadAllCounts(loggedInUserId);\n\n        var sections = [\n            // Favourite conversations section.\n            [body.find(SELECTORS.FAVOURITES), OVERVIEW_SECTION_TYPES.FAVOURITE, true],\n            // Group conversations section.\n            [body.find(SELECTORS.GROUP_MESSAGES), OVERVIEW_SECTION_TYPES.PUBLIC, false],\n            // Private conversations section.\n            [body.find(SELECTORS.MESSAGES), OVERVIEW_SECTION_TYPES.PRIVATE, false]\n        ];\n\n        sections.forEach(function(args) {\n            var sectionRoot = args[0];\n            var sectionTypes = args[1];\n            var includeFavourites = args[2];\n            var totalCountPromise = allCounts.then(function(result) {\n                return filterCountsByTypes(result.total, sectionTypes, includeFavourites);\n            });\n            var unreadCountPromise = allCounts.then(function(result) {\n                return filterCountsByTypes(result.unread, sectionTypes, includeFavourites);\n            });\n\n            Section.show(namespace, null, sectionRoot, null, sectionTypes, includeFavourites,\n                totalCountPromise, unreadCountPromise, fromPanel);\n        });\n\n        return allCounts.then(function(result) {\n                var sectionParams = sections.map(function(section) {\n                    var sectionRoot = section[0];\n                    var sectionTypes = section[1];\n                    var includeFavourites = section[2];\n                    var totalCount = filterCountsByTypes(result.total, sectionTypes, includeFavourites);\n                    var unreadCount = filterCountsByTypes(result.unread, sectionTypes, includeFavourites);\n\n                    return [sectionRoot, totalCount, unreadCount];\n                });\n\n                // Open up one of the sections for the user.\n                return openSection(sectionParams);\n            });\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewoverview', 'core_message');\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_overview.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_overview.min.js","sources":["../src/message_drawer_view_overview.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the overview page of the message drawer.\n *\n * @module     core_message/message_drawer_view_overview\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/key_codes',\n    'core/pubsub',\n    'core/str',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_view_overview_section',\n    'core_message/message_repository',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    KeyCodes,\n    PubSub,\n    Str,\n    Router,\n    Routes,\n    MessageDrawerEvents,\n    Section,\n    MessageRepository,\n    Constants\n) {\n\n    var SELECTORS = {\n        CONTACT_REQUEST_COUNT: '[data-region=\"contact-request-count\"]',\n        FAVOURITES: '[data-region=\"view-overview-favourites\"]',\n        GROUP_MESSAGES: '[data-region=\"view-overview-group-messages\"]',\n        MESSAGES: '[data-region=\"view-overview-messages\"]',\n        SEARCH_INPUT: '[data-region=\"view-overview-search-input\"]',\n        SECTION_TOGGLE_BUTTON: '[data-toggle]'\n    };\n\n    // Categories displayed in the message drawer. Some methods (such as filterCountsByType) are expecting their value\n    // will be the same as the defined in the CONVERSATION_TYPES, except for the favourite.\n    var OVERVIEW_SECTION_TYPES = {\n        PRIVATE: [Constants.CONVERSATION_TYPES.PRIVATE, Constants.CONVERSATION_TYPES.SELF],\n        PUBLIC: [Constants.CONVERSATION_TYPES.PUBLIC],\n        FAVOURITE: null\n    };\n\n    var loadAllCountsPromise = null;\n\n    /**\n     * Load the total and unread conversation counts from the server for this user. This function\n     * returns a jQuery promise that will be resolved with the counts.\n     *\n     * The request is only sent once per page load and will be cached for subsequent\n     * calls to this function.\n     *\n     * @param {Number} loggedInUserId The logged in user's id\n     * @return {Object} jQuery promise\n     */\n    var loadAllCounts = function(loggedInUserId) {\n        if (loadAllCountsPromise === null) {\n            loadAllCountsPromise = MessageRepository.getAllConversationCounts(loggedInUserId);\n        }\n\n        return loadAllCountsPromise;\n    };\n\n    /**\n     * Filter a set of counts to return only the count for the given type.\n     *\n     * This is used on the result returned by the loadAllCounts function.\n     *\n     * @param {Object} counts Conversation counts indexed by conversation type.\n     * @param {Array|null} types The conversation types handlded by this section (null for all conversation types).\n     * @param {bool} includeFavourites If this section includes favourites\n     * @return {Number}\n     */\n    var filterCountsByTypes = function(counts, types, includeFavourites) {\n        var total = 0;\n\n        if (types && types.length) {\n            total = types.reduce(function(carry, type) {\n                return carry + counts.types[type];\n            }, total);\n        }\n\n        if (includeFavourites) {\n            total += counts.favourites;\n        }\n\n        return total;\n    };\n\n    /**\n     * Opens one of the sections based on whether the section has unread conversations\n     * or any conversations\n     *\n     * Default section priority is favourites, groups, then messages. A section can increase\n     * in priority if it has conversations in it. It can increase even further if it has\n     * unread conversations.\n     *\n     * @param {Array} sections List of section roots, total counts, and unread counts.\n     */\n    var openSection = function(sections) {\n        var isAlreadyOpen = sections.some(function(section) {\n            var sectionRoot = section[0];\n            return Section.isVisible(sectionRoot);\n        });\n\n        if (isAlreadyOpen) {\n            // The user has already opened a section so there is nothing to do.\n            return;\n        }\n\n        // Order the sections so that sections with unread conversations are prioritised\n        // over sections without and sections with total conversations are prioritised\n        // over sections without.\n        sections.sort(function(a, b) {\n            var aTotal = a[1];\n            var aUnread = a[2];\n            var bTotal = b[1];\n            var bUnread = b[2];\n\n            if (aUnread > 0 && bUnread == 0) {\n                return -1;\n            } else if (aUnread == 0 && bUnread > 0) {\n                return 1;\n            } else if (aTotal > 0 && bTotal == 0) {\n                return -1;\n            } else if (aTotal == 0 && bTotal > 0) {\n                return 1;\n            } else {\n                return 0;\n            }\n        });\n\n        // Get the root of the first section after sorting.\n        var sectionRoot = sections[0][0];\n        var button = sectionRoot.find(SELECTORS.SECTION_TOGGLE_BUTTON);\n        // Click it to expand it.\n        button.click();\n    };\n\n    /**\n     * Get the search input text element.\n     *\n     * @param  {Object} header Overview header container element.\n     * @return {Object} The search input element.\n     */\n    var getSearchInput = function(header) {\n        return header.find(SELECTORS.SEARCH_INPUT);\n    };\n\n    /**\n     * Get the logged in user id.\n     *\n     * @param {Object} body Overview body container element.\n     * @return {String} Logged in user id.\n     */\n    var getLoggedInUserId = function(body) {\n        return body.attr('data-user-id');\n    };\n\n    /**\n     * Decrement the contact request count. If the count is zero or below then\n     * hide the count.\n     *\n     * @param {Object} header Conversation header container element.\n     * @return {Function} A function to handle decrementing the count.\n     */\n    var decrementContactRequestCount = function(header) {\n        return function() {\n            var countContainer = header.find(SELECTORS.CONTACT_REQUEST_COUNT);\n            var count = parseInt(countContainer.text(), 10);\n            count = isNaN(count) ? 0 : count - 1;\n\n            if (count <= 0) {\n                countContainer.addClass('hidden');\n            } else {\n                countContainer.text(count);\n            }\n        };\n    };\n\n    /**\n     * Listen to, and handle event in the overview header.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} header Conversation header container element.\n     */\n    var registerEventListeners = function(namespace, header) {\n        var searchInput = getSearchInput(header);\n        var ignoredKeys = [KeyCodes.tab, KeyCodes.shift, KeyCodes.ctrl, KeyCodes.alt];\n\n        searchInput.on('click', function() {\n            Router.go(namespace, Routes.VIEW_SEARCH);\n        });\n        searchInput.on('keydown', function(e) {\n            if (ignoredKeys.indexOf(e.keyCode) < 0 && e.key != 'Meta') {\n                Router.go(namespace, Routes.VIEW_SEARCH);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, decrementContactRequestCount(header));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, decrementContactRequestCount(header));\n    };\n\n    /**\n     * Setup the overview page.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} header Overview header container element.\n     * @param {Object} body Overview body container element.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body) {\n        if (!header.attr('data-init')) {\n            registerEventListeners(namespace, header);\n            header.attr('data-init', true);\n        }\n        var fromPanel = header.attr('data-in-panel') ? 'frompanel' : null;\n\n        getSearchInput(header).val('');\n        var loggedInUserId = getLoggedInUserId(body);\n        var allCounts = loadAllCounts(loggedInUserId);\n\n        var sections = [\n            // Favourite conversations section.\n            [body.find(SELECTORS.FAVOURITES), OVERVIEW_SECTION_TYPES.FAVOURITE, true],\n            // Group conversations section.\n            [body.find(SELECTORS.GROUP_MESSAGES), OVERVIEW_SECTION_TYPES.PUBLIC, false],\n            // Private conversations section.\n            [body.find(SELECTORS.MESSAGES), OVERVIEW_SECTION_TYPES.PRIVATE, false]\n        ];\n\n        sections.forEach(function(args) {\n            var sectionRoot = args[0];\n            var sectionTypes = args[1];\n            var includeFavourites = args[2];\n            var totalCountPromise = allCounts.then(function(result) {\n                return filterCountsByTypes(result.total, sectionTypes, includeFavourites);\n            });\n            var unreadCountPromise = allCounts.then(function(result) {\n                return filterCountsByTypes(result.unread, sectionTypes, includeFavourites);\n            });\n\n            Section.show(namespace, null, sectionRoot, null, sectionTypes, includeFavourites,\n                totalCountPromise, unreadCountPromise, fromPanel);\n        });\n\n        return allCounts.then(function(result) {\n                var sectionParams = sections.map(function(section) {\n                    var sectionRoot = section[0];\n                    var sectionTypes = section[1];\n                    var includeFavourites = section[2];\n                    var totalCount = filterCountsByTypes(result.total, sectionTypes, includeFavourites);\n                    var unreadCount = filterCountsByTypes(result.unread, sectionTypes, includeFavourites);\n\n                    return [sectionRoot, totalCount, unreadCount];\n                });\n\n                // Open up one of the sections for the user.\n                return openSection(sectionParams);\n            });\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewoverview', 'core_message');\n    };\n\n    return {\n        show: show,\n        description: description\n    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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_overview_section.min.js b/message/amd/build/message_drawer_view_overview_section.min.js
index 1f2e82eff30..af7e218f6be 100644
--- a/message/amd/build/message_drawer_view_overview_section.min.js
+++ b/message/amd/build/message_drawer_view_overview_section.min.js
@@ -1,2 +1,11 @@
-function asyncGeneratorStep(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function _asyncToGenerator(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var f=a.apply(b,c);function g(a){asyncGeneratorStep(f,d,e,g,h,"next",a)}function h(a){asyncGeneratorStep(f,d,e,g,h,"throw",a)}g(void 0)})}}define ("core_message/message_drawer_view_overview_section",["jquery","core/custom_interaction_events","core/notification","core/pubsub","core/str","core/pending","core/templates","core/user_date","core_message/message_repository","core_message/message_drawer_events","core_message/message_drawer_router","core_message/message_drawer_routes","core_message/message_drawer_lazy_load_list","core_message/message_drawer_view_conversation_constants"],function(a,b,c,d,e,f,g,h,i,j,k,l,m,n){var o={TOGGLE:"[data-region=\"toggle\"]",CONVERSATION:"[data-conversation-id]",BLOCKED_ICON_CONTAINER:"[data-region=\"contact-icon-blocked\"]",LAST_MESSAGE:"[data-region=\"last-message\"]",LAST_MESSAGE_DATE:"[data-region=\"last-message-date\"]",MUTED_ICON_CONTAINER:"[data-region=\"muted-icon-container\"]",UNREAD_COUNT:"[data-region=\"unread-count\"]",SECTION_TOTAL_COUNT:"[data-region=\"section-total-count\"]",SECTION_TOTAL_COUNT_CONTAINER:"[data-region=\"section-total-count-container\"]",SECTION_UNREAD_COUNT:"[data-region=\"section-unread-count\"]",PLACEHOLDER_CONTAINER:"[data-region=\"placeholder-container\"]"},p={CONVERSATIONS_LIST:"core_message/message_drawer_conversations_list",CONVERSATIONS_LIST_ITEMS_PLACEHOLDER:"core_message/message_drawer_conversations_list_items_placeholder"},q=50,r={},s={},t=!1,u=!1,v=function(a){return m.getRoot(a).hasClass("show")},w=function(a){a.addClass("expanded")},x=function(a){a.removeClass("expanded")},y=function(a,b){var c=a.find(o.SECTION_TOTAL_COUNT_CONTAINER),d=c.find(o.SECTION_TOTAL_COUNT);d.text(b);c.removeClass("hidden");e.get_string("totalconversations","core_message",b).done(function(a){c.attr("aria-label",a)});var f=20<b?20:b,h=Array.apply(null,Array(f)).map(function(){return!0});g.render(p.CONVERSATIONS_LIST_ITEMS_PLACEHOLDER,{placeholders:h}).then(function(b){var c=a.find(o.PLACEHOLDER_CONTAINER);c.html(b)}).catch(function(){})},z=function(a,b){var c=a.find(o.SECTION_UNREAD_COUNT);c.text(b);e.get_string("unreadconversations","core_message",b).done(function(a){c.attr("aria-label",a)});if(0<b){c.removeClass("hidden")}},A=function(b){var c=function(b){return Object.keys(b).reduce(function(d,e){if(a.isArray(b[e])){d[e.toLowerCase()]=b[e].map(c)}else{d[e.toLowerCase()]=b[e]}return d},{})},d=c(b);d.messages=d.messages.map(function(a){a.useridfrom=a.userfrom.id;return a});return d},B=function(b,d){var h=new f,i=function(){var b=_asyncToGenerator(regeneratorRuntime.mark(function d(b){var f,h,i,j,k,l,m;return regeneratorRuntime.wrap(function(d){while(1){switch(d.prev=d.next){case 0:if(b){d.next=2;break}return d.abrupt("return",null);case 2:f=document.createElement("element");f.innerHTML=b.text.replace(/<img /g,"<noimg ");h=f.querySelector("[src]")||!1;if(h){d.next=10;break}i=a(b.text).text();if(!i){d.next=10;break}if(!(-1==i.indexOf("<"))){d.next=10;break}return d.abrupt("return",i);case 10:j="i/messagecontentmultimediageneral";k="messagecontentmultimediageneral";if(b.text.includes("<img")){j="i/messagecontentimage";k="messagecontentimage"}else if(b.text.includes("<video")){j="i/messagecontentvideo";k="messagecontentvideo"}else if(b.text.includes("<audio")){j="i/messagecontentaudio";k="messagecontentaudio"}d.prev=13;d.next=16;return e.get_string(k,"core_message");case 16:l=d.sent;d.next=19;return g.renderPix(j,"core",l);case 19:m=d.sent;return d.abrupt("return",m+" "+l);case 23:d.prev=23;d.t0=d["catch"](13);c.exception(d.t0);return d.abrupt("return",null);case 27:case"end":return d.stop();}}},d,null,[[13,23]])}));return function(){return b.apply(this,arguments)}}(),j=b.map(function(a){var b=a.messages.length?a.messages[a.messages.length-1]:null;return i(b).then(function(c){var e={id:a.id,imageurl:a.imageurl,name:a.name,subname:a.subname,unreadcount:a.unreadcount,ismuted:a.ismuted,lastmessagedate:b?b.timecreated:null,sentfromcurrentuser:b?b.useridfrom==d:null,lastmessage:c},f=null;if(a.type==n.CONVERSATION_TYPES.SELF){f=a.members[0]}else if(a.type==n.CONVERSATION_TYPES.PRIVATE){f=a.members.reduce(function(a,b){if(!a&&b.id!=d){a=b}return a},null)}if(null!==f){e.userid=f.id;e.showonlinestatus=f.showonlinestatus;e.isonline=f.isonline;e.isblocked=f.isblocked}if(a.type==n.CONVERSATION_TYPES.PUBLIC){e.lastsendername=a.members.reduce(function(a,c){if(!a&&b&&c.id==b.useridfrom){a=c.fullname}return a},null)}return e}).catch(c.exception)});return Promise.all(j).then(function(a){a.forEach(function(a){if(new Date().toDateString()==new Date(1e3*a.lastmessagedate).toDateString()){a.istoday=!0}});return g.render(p.CONVERSATIONS_LIST,{conversations:a})}).then(function(b,c){h.resolve();return a.Deferred().resolve(b,c)}).catch(function(a){h.resolve();c.exception(a)})},C=function(a,b,d){var e=null,f=!0;if(a&&a.length){var g=a.filter(function(a){return a!=n.CONVERSATION_TYPES.SELF});f=a.length!=g.length;e=g[0]}return function(a,g){return i.getConversations(g,e,q+1,d,b,f).then(function(b){var c=b.conversations;if(c.length>q){c=c.slice(0,-1)}else{m.setLoadedAll(a,!0)}d=d+q;c.forEach(function(a){r[a.id]=a});return c}).catch(c.exception)}},D=function(a){return a.find(o.SECTION_TOTAL_COUNT)},E=function(a){return a.find(o.SECTION_UNREAD_COUNT)},F=function(a){if(t){var b=D(a),c=parseInt(b.text());c=c+1;b.text(c)}},G=function(a){if(t){var b=D(a),c=parseInt(b.text());c=c-1;b.text(c)}},H=function(a){if(u){var b=E(a),c=parseInt(b.text());c=c-1;b.text(c);if(1>c){b.addClass("hidden")}}},I=function(a,b){return a.find("[data-conversation-id=\""+b+"\"]")},J=function(a,b){return a.find("[data-user-id=\""+b+"\"]")},K=function(a){a.find(o.MUTED_ICON_CONTAINER).removeClass("hidden")},L=function(a){a.find(o.MUTED_ICON_CONTAINER).addClass("hidden")},M=function(a){a.find(o.BLOCKED_ICON_CONTAINER).removeClass("hidden")},N=function(a){a.find(o.BLOCKED_ICON_CONTAINER).addClass("hidden")},O=function(a,b,d){var e=a.find(o.CONVERSATION);if(!e.length){var f=m.getRoot(a);m.showContent(f);m.hideEmptyMessage(f)}r[b.id]=b;return B([b],d).then(function(b){var c=m.getContentContainer(a);return c.prepend(b)}).then(function(){return F(a)}).catch(c.exception)},P=function(a,b){b.remove();G(a);var c=a.find(o.CONVERSATION);if(!c.length){var d=m.getRoot(a);m.hideContent(d);m.showEmptyMessage(d)}},Q=function(a,b){var c=b.find(o.UNREAD_COUNT);c.text("0");c.addClass("hidden");H(a)},R=function(g,h,i,n,p,q){var t=m.getRoot(h),u=function(a){var b=parseInt(a.type,10);if(n&&0>n.indexOf(b)||p&&!a.isFavourite||!p&&a.isFavourite){return!1}return!0},v=h.find(o.TOGGLE);h.css("min-height",v.outerHeight());h.on("show.bs.collapse",function(){w(h);m.show(t,i,function(a,b,d){return B(b,d).then(function(b){a.append(b);return b}).catch(c.exception)})});h.on("hidden.bs.collapse",function(){x(h)});d.subscribe(j.CONTACT_BLOCKED,function(a){var b=J(h,a);if(b.length){M(b)}});d.subscribe(j.CONTACT_UNBLOCKED,function(a){var b=J(h,a);if(b.length){N(b)}});d.subscribe(j.CONVERSATION_SET_MUTED,function(a){var b=a.id,c=I(h,b);if(c.length){K(c)}});d.subscribe(j.CONVERSATION_UNSET_MUTED,function(a){var b=a.id,c=I(h,b);if(c.length){L(c)}});d.subscribe(j.CONVERSATION_NEW_LAST_MESSAGE,function(a){if(!u(a)){return}var b=new f("core_message/message_drawer_view_overview_section:new"),d=a.loggedInUserId,e=a.id,g=I(h,e);a=A(a);if(g.length){var i=m.getContentContainer(h);B([a],d).then(function(b){if(s[e]){if(a.messages[0].timeadded<s[e]){return}}i.prepend(b);g.remove()}).then(b.resolve).catch(c.exception)}else if(a.messages.length){O(h,a,d).then(b.resolve).catch()}else{b.resolve()}});d.subscribe(j.CONVERSATION_DELETED,function(a){var b=I(h,a);delete r[a];s[a]=new Date;if(b.length){P(h,b)}});d.subscribe(j.CONVERSATION_READ,function(a){var b=I(h,a);if(b.length){Q(h,b)}});d.subscribe(j.CONVERSATION_SET_FAVOURITE,function(a){var b=null;if(u(a)){b=I(h,a.id);if(!b.length){O(h,A(a),a.loggedInUserId)}}else{b=I(h,a.id);if(b.length){P(h,b)}}});d.subscribe(j.CONVERSATION_UNSET_FAVOURITE,function(a){var b=null;if(u(a)){b=I(h,a.id);if(!b.length){O(h,A(a),a.loggedInUserId)}}else{b=I(h,a.id);if(b.length){P(h,b)}}});b.define(h,[b.events.activate]);h.on(b.events.activate,o.CONVERSATION,function(b,c){var d=a(b.target).closest(o.CONVERSATION),e=d.attr("data-conversation-id"),f=r[e];k.go(g,l.VIEW_CONVERSATION,f,q);c.originalEvent.preventDefault()})};return{show:function show(b,d,e,f,g,h,i,j,k){var l=a(e);if(!l.attr("data-init")){var n=C(g,h,0);R(b,l,n,g,h,k);if(v(l)){w(l);var o=m.getRoot(l);m.show(o,n,function(a,b,d){return B(b,d).then(function(b){a.append(b);return b}).catch(c.exception)})}i.then(function(a){y(l,a);t=!0}).catch(function(){});j.then(function(a){z(l,a);u=!0}).catch(function(){});l.attr("data-init",!0)}},isVisible:v}});
-//# sourceMappingURL=message_drawer_view_overview_section.min.js.map
+function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}
+/**
+ * Controls a section of the overview page in the message drawer.
+ *
+ * @module     core_message/message_drawer_view_overview_section
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_overview_section",["jquery","core/custom_interaction_events","core/notification","core/pubsub","core/str","core/pending","core/templates","core/user_date","core_message/message_repository","core_message/message_drawer_events","core_message/message_drawer_router","core_message/message_drawer_routes","core_message/message_drawer_lazy_load_list","core_message/message_drawer_view_conversation_constants"],(function($,CustomEvents,Notification,PubSub,Str,Pending,Templates,UserDate,MessageRepository,MessageDrawerEvents,MessageDrawerRouter,MessageDrawerRoutes,LazyLoadList,MessageDrawerViewConversationContants){var SELECTORS_TOGGLE='[data-region="toggle"]',SELECTORS_CONVERSATION="[data-conversation-id]",SELECTORS_BLOCKED_ICON_CONTAINER='[data-region="contact-icon-blocked"]',SELECTORS_MUTED_ICON_CONTAINER='[data-region="muted-icon-container"]',SELECTORS_UNREAD_COUNT='[data-region="unread-count"]',SELECTORS_SECTION_TOTAL_COUNT='[data-region="section-total-count"]',SELECTORS_SECTION_TOTAL_COUNT_CONTAINER='[data-region="section-total-count-container"]',SELECTORS_SECTION_UNREAD_COUNT='[data-region="section-unread-count"]',SELECTORS_PLACEHOLDER_CONTAINER='[data-region="placeholder-container"]',TEMPLATES_CONVERSATIONS_LIST="core_message/message_drawer_conversations_list",TEMPLATES_CONVERSATIONS_LIST_ITEMS_PLACEHOLDER="core_message/message_drawer_conversations_list_items_placeholder",loadedConversationsById={},deletedConversationsById={},loadedTotalCounts=!1,loadedUnreadCounts=!1,isVisible=function(root){return LazyLoadList.getRoot(root).hasClass("show")},setExpanded=function(root){root.addClass("expanded")},formatConversationFromEvent=function(conversation){var formatted=function recursivelyLowercaseKeys(object){return Object.keys(object).reduce((function(carry,key){return $.isArray(object[key])?carry[key.toLowerCase()]=object[key].map(recursivelyLowercaseKeys):carry[key.toLowerCase()]=object[key],carry}),{})}(conversation);return formatted.messages=formatted.messages.map((function(message){return message.useridfrom=message.userfrom.id,message})),formatted},render=function(conversations,userId){var fn,_ref,pending=new Pending,formatMessagePreview=(fn=regeneratorRuntime.mark((function _callee(lastMessage){var tmpElement,messagePreview,pix,label,labelString,icon;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:if(lastMessage){_context.next=2;break}return _context.abrupt("return",null);case 2:if((tmpElement=document.createElement("element")).innerHTML=lastMessage.text.replace(/<img /g,"<noimg "),tmpElement.querySelector("[src]")){_context.next=10;break}if(!(messagePreview=$(lastMessage.text).text())){_context.next=10;break}if(-1!=messagePreview.indexOf("<")){_context.next=10;break}return _context.abrupt("return",messagePreview);case 10:return pix="i/messagecontentmultimediageneral",label="messagecontentmultimediageneral",lastMessage.text.includes("<img")?(pix="i/messagecontentimage",label="messagecontentimage"):lastMessage.text.includes("<video")?(pix="i/messagecontentvideo",label="messagecontentvideo"):lastMessage.text.includes("<audio")&&(pix="i/messagecontentaudio",label="messagecontentaudio"),_context.prev=13,_context.next=16,Str.get_string(label,"core_message");case 16:return labelString=_context.sent,_context.next=19,Templates.renderPix(pix,"core",labelString);case 19:return icon=_context.sent,_context.abrupt("return",icon+" "+labelString);case 23:return _context.prev=23,_context.t0=_context.catch(13),Notification.exception(_context.t0),_context.abrupt("return",null);case 27:case"end":return _context.stop()}}),_callee,null,[[13,23]])})),_ref=function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))},function(_x){return _ref.apply(this,arguments)}),mapPromises=conversations.map((function(conversation){var lastMessage=conversation.messages.length?conversation.messages[conversation.messages.length-1]:null;return formatMessagePreview(lastMessage).then((function(messagePreview){var formattedConversation={id:conversation.id,imageurl:conversation.imageurl,name:conversation.name,subname:conversation.subname,unreadcount:conversation.unreadcount,ismuted:conversation.ismuted,lastmessagedate:lastMessage?lastMessage.timecreated:null,sentfromcurrentuser:lastMessage?lastMessage.useridfrom==userId:null,lastmessage:messagePreview},otherUser=null;return conversation.type==MessageDrawerViewConversationContants.CONVERSATION_TYPES.SELF?otherUser=conversation.members[0]:conversation.type==MessageDrawerViewConversationContants.CONVERSATION_TYPES.PRIVATE&&(otherUser=conversation.members.reduce((function(carry,member){return carry||member.id==userId||(carry=member),carry}),null)),null!==otherUser&&(formattedConversation.userid=otherUser.id,formattedConversation.showonlinestatus=otherUser.showonlinestatus,formattedConversation.isonline=otherUser.isonline,formattedConversation.isblocked=otherUser.isblocked),conversation.type==MessageDrawerViewConversationContants.CONVERSATION_TYPES.PUBLIC&&(formattedConversation.lastsendername=conversation.members.reduce((function(carry,member){return!carry&&lastMessage&&member.id==lastMessage.useridfrom&&(carry=member.fullname),carry}),null)),formattedConversation})).catch(Notification.exception)}));return Promise.all(mapPromises).then((function(formattedConversations){return formattedConversations.forEach((function(conversation){(new Date).toDateString()==new Date(1e3*conversation.lastmessagedate).toDateString()&&(conversation.istoday=!0)})),Templates.render(TEMPLATES_CONVERSATIONS_LIST,{conversations:formattedConversations})})).then((function(html,js){return pending.resolve(),$.Deferred().resolve(html,js)})).catch((function(error){pending.resolve(),Notification.exception(error)}))},getTotalConversationCountElement=function(root){return root.find(SELECTORS_SECTION_TOTAL_COUNT)},decrementTotalUnreadConversationCount=function(root){if(loadedUnreadCounts){var element=function(root){return root.find(SELECTORS_SECTION_UNREAD_COUNT)}(root),count=parseInt(element.text());count-=1,element.text(count),count<1&&element.addClass("hidden")}},getConversationElement=function(root,conversationId){return root.find('[data-conversation-id="'+conversationId+'"]')},getConversationElementFromUserId=function(root,userId){return root.find('[data-user-id="'+userId+'"]')},createNewConversationFromEvent=function(root,conversation,userId){if(!root.find(SELECTORS_CONVERSATION).length){var listRoot=LazyLoadList.getRoot(root);LazyLoadList.showContent(listRoot),LazyLoadList.hideEmptyMessage(listRoot)}return loadedConversationsById[conversation.id]=conversation,render([conversation],userId).then((function(html){return LazyLoadList.getContentContainer(root).prepend(html)})).then((function(){return function(root){if(loadedTotalCounts){var element=getTotalConversationCountElement(root),count=parseInt(element.text());count+=1,element.text(count)}}(root)})).catch(Notification.exception)},deleteConversation=function(root,conversationElement){if(conversationElement.remove(),function(root){if(loadedTotalCounts){var element=getTotalConversationCountElement(root),count=parseInt(element.text());count-=1,element.text(count)}}(root),!root.find(SELECTORS_CONVERSATION).length){var listRoot=LazyLoadList.getRoot(root);LazyLoadList.hideContent(listRoot),LazyLoadList.showEmptyMessage(listRoot)}},registerEventListeners=function(namespace,root,loadCallback,types,includeFavourites,fromPanel){var listRoot=LazyLoadList.getRoot(root),conversationBelongsToThisSection=function(conversation){var conversationType=parseInt(conversation.type,10);return!(types&&types.indexOf(conversationType)<0||includeFavourites&&!conversation.isFavourite||!includeFavourites&&conversation.isFavourite)},toggle=root.find(SELECTORS_TOGGLE);root.css("min-height",toggle.outerHeight()),root.on("show.bs.collapse",(function(){setExpanded(root),LazyLoadList.show(listRoot,loadCallback,(function(contentContainer,conversations,userId){return render(conversations,userId).then((function(html){return contentContainer.append(html),html})).catch(Notification.exception)}))})),root.on("hidden.bs.collapse",(function(){!function(root){root.removeClass("expanded")}(root)})),PubSub.subscribe(MessageDrawerEvents.CONTACT_BLOCKED,(function(userId){var conversationElement=getConversationElementFromUserId(root,userId);conversationElement.length&&function(conversationElement){conversationElement.find(SELECTORS_BLOCKED_ICON_CONTAINER).removeClass("hidden")}(conversationElement)})),PubSub.subscribe(MessageDrawerEvents.CONTACT_UNBLOCKED,(function(userId){var conversationElement=getConversationElementFromUserId(root,userId);conversationElement.length&&function(conversationElement){conversationElement.find(SELECTORS_BLOCKED_ICON_CONTAINER).addClass("hidden")}(conversationElement)})),PubSub.subscribe(MessageDrawerEvents.CONVERSATION_SET_MUTED,(function(conversation){var conversationId=conversation.id,conversationElement=getConversationElement(root,conversationId);conversationElement.length&&function(conversationElement){conversationElement.find(SELECTORS_MUTED_ICON_CONTAINER).removeClass("hidden")}(conversationElement)})),PubSub.subscribe(MessageDrawerEvents.CONVERSATION_UNSET_MUTED,(function(conversation){var conversationId=conversation.id,conversationElement=getConversationElement(root,conversationId);conversationElement.length&&function(conversationElement){conversationElement.find(SELECTORS_MUTED_ICON_CONTAINER).addClass("hidden")}(conversationElement)})),PubSub.subscribe(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE,(function(conversation){if(conversationBelongsToThisSection(conversation)){var pendingPromise=new Pending("core_message/message_drawer_view_overview_section:new"),loggedInUserId=conversation.loggedInUserId,conversationId=conversation.id,element=getConversationElement(root,conversationId);if(conversation=formatConversationFromEvent(conversation),element.length){var contentContainer=LazyLoadList.getContentContainer(root);render([conversation],loggedInUserId).then((function(html){deletedConversationsById[conversationId]&&conversation.messages[0].timeadded<deletedConversationsById[conversationId]||(contentContainer.prepend(html),element.remove())})).then(pendingPromise.resolve).catch(Notification.exception)}else conversation.messages.length?createNewConversationFromEvent(root,conversation,loggedInUserId).then(pendingPromise.resolve).catch():pendingPromise.resolve()}})),PubSub.subscribe(MessageDrawerEvents.CONVERSATION_DELETED,(function(conversationId){var conversationElement=getConversationElement(root,conversationId);delete loadedConversationsById[conversationId],deletedConversationsById[conversationId]=new Date,conversationElement.length&&deleteConversation(root,conversationElement)})),PubSub.subscribe(MessageDrawerEvents.CONVERSATION_READ,(function(conversationId){var conversationElement=getConversationElement(root,conversationId);conversationElement.length&&function(root,conversationElement){var unreadCount=conversationElement.find(SELECTORS_UNREAD_COUNT);unreadCount.text("0"),unreadCount.addClass("hidden"),decrementTotalUnreadConversationCount(root)}(root,conversationElement)})),PubSub.subscribe(MessageDrawerEvents.CONVERSATION_SET_FAVOURITE,(function(conversation){var conversationElement=null;conversationBelongsToThisSection(conversation)?(conversationElement=getConversationElement(root,conversation.id)).length||createNewConversationFromEvent(root,formatConversationFromEvent(conversation),conversation.loggedInUserId):(conversationElement=getConversationElement(root,conversation.id)).length&&deleteConversation(root,conversationElement)})),PubSub.subscribe(MessageDrawerEvents.CONVERSATION_UNSET_FAVOURITE,(function(conversation){var conversationElement=null;conversationBelongsToThisSection(conversation)?(conversationElement=getConversationElement(root,conversation.id)).length||createNewConversationFromEvent(root,formatConversationFromEvent(conversation),conversation.loggedInUserId):(conversationElement=getConversationElement(root,conversation.id)).length&&deleteConversation(root,conversationElement)})),CustomEvents.define(root,[CustomEvents.events.activate]),root.on(CustomEvents.events.activate,SELECTORS_CONVERSATION,(function(e,data){var conversationId=$(e.target).closest(SELECTORS_CONVERSATION).attr("data-conversation-id"),conversation=loadedConversationsById[conversationId];MessageDrawerRouter.go(namespace,MessageDrawerRoutes.VIEW_CONVERSATION,conversation,fromPanel),data.originalEvent.preventDefault()}))};return{show:function(namespace,header,body,footer,types,includeFavourites,totalCountPromise,unreadCountPromise,fromPanel){var root=$(body);if(!root.attr("data-init")){var loadCallback=function(types,includeFavourites,offset){var type=null,includeSelfConversations=!0;if(types&&types.length){var nonSelfConversationTypes=types.filter((function(candidate){return candidate!=MessageDrawerViewConversationContants.CONVERSATION_TYPES.SELF}));includeSelfConversations=types.length!=nonSelfConversationTypes.length,type=nonSelfConversationTypes[0]}return function(root,userId){return MessageRepository.getConversations(userId,type,51,offset,includeFavourites,includeSelfConversations).then((function(response){var conversations=response.conversations;return conversations.length>50?conversations=conversations.slice(0,-1):LazyLoadList.setLoadedAll(root,!0),offset+=50,conversations.forEach((function(conversation){loadedConversationsById[conversation.id]=conversation})),conversations})).catch(Notification.exception)}}(types,includeFavourites,0);if(registerEventListeners(namespace,root,loadCallback,types,includeFavourites,fromPanel),isVisible(root)){setExpanded(root);var listRoot=LazyLoadList.getRoot(root);LazyLoadList.show(listRoot,loadCallback,(function(contentContainer,conversations,userId){return render(conversations,userId).then((function(html){return contentContainer.append(html),html})).catch(Notification.exception)}))}totalCountPromise.then((function(count){!function(root,count){var container=root.find(SELECTORS_SECTION_TOTAL_COUNT_CONTAINER);container.find(SELECTORS_SECTION_TOTAL_COUNT).text(count),container.removeClass("hidden"),Str.get_string("totalconversations","core_message",count).done((function(string){container.attr("aria-label",string)}));var numPlaceholders=count>20?20:count,placeholders=Array.apply(null,Array(numPlaceholders)).map((function(){return!0}));Templates.render(TEMPLATES_CONVERSATIONS_LIST_ITEMS_PLACEHOLDER,{placeholders:placeholders}).then((function(html){root.find(SELECTORS_PLACEHOLDER_CONTAINER).html(html)})).catch((function(){}))}(root,count),loadedTotalCounts=!0})).catch((function(){})),unreadCountPromise.then((function(count){!function(root,count){var countElement=root.find(SELECTORS_SECTION_UNREAD_COUNT);countElement.text(count),Str.get_string("unreadconversations","core_message",count).done((function(string){countElement.attr("aria-label",string)})),count>0&&countElement.removeClass("hidden")}(root,count),loadedUnreadCounts=!0})).catch((function(){})),root.attr("data-init",!0)}},isVisible:isVisible}}));
+
+//# sourceMappingURL=message_drawer_view_overview_section.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_overview_section.min.js.map b/message/amd/build/message_drawer_view_overview_section.min.js.map
index 346dadc45ab..126447e041b 100644
--- a/message/amd/build/message_drawer_view_overview_section.min.js.map
+++ b/message/amd/build/message_drawer_view_overview_section.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls a section of the overview page in the message drawer.\n *\n * @module     core_message/message_drawer_view_overview_section\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pubsub',\n    'core/str',\n    'core/pending',\n    'core/templates',\n    'core/user_date',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core_message/message_drawer_lazy_load_list',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    CustomEvents,\n    Notification,\n    PubSub,\n    Str,\n    Pending,\n    Templates,\n    UserDate,\n    MessageRepository,\n    MessageDrawerEvents,\n    MessageDrawerRouter,\n    MessageDrawerRoutes,\n    LazyLoadList,\n    MessageDrawerViewConversationContants\n) {\n\n    var SELECTORS = {\n        TOGGLE: '[data-region=\"toggle\"]',\n        CONVERSATION: '[data-conversation-id]',\n        BLOCKED_ICON_CONTAINER: '[data-region=\"contact-icon-blocked\"]',\n        LAST_MESSAGE: '[data-region=\"last-message\"]',\n        LAST_MESSAGE_DATE: '[data-region=\"last-message-date\"]',\n        MUTED_ICON_CONTAINER: '[data-region=\"muted-icon-container\"]',\n        UNREAD_COUNT: '[data-region=\"unread-count\"]',\n        SECTION_TOTAL_COUNT: '[data-region=\"section-total-count\"]',\n        SECTION_TOTAL_COUNT_CONTAINER: '[data-region=\"section-total-count-container\"]',\n        SECTION_UNREAD_COUNT: '[data-region=\"section-unread-count\"]',\n        PLACEHOLDER_CONTAINER: '[data-region=\"placeholder-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONVERSATIONS_LIST: 'core_message/message_drawer_conversations_list',\n        CONVERSATIONS_LIST_ITEMS_PLACEHOLDER: 'core_message/message_drawer_conversations_list_items_placeholder'\n    };\n\n    var LOAD_LIMIT = 50;\n    var loadedConversationsById = {};\n    var deletedConversationsById = {};\n    var loadedTotalCounts = false;\n    var loadedUnreadCounts = false;\n\n    /**\n     * Get the section visibility status.\n     *\n     * @param  {Object} root The section container element.\n     * @return {Bool} Is section visible.\n     */\n    var isVisible = function(root) {\n        return LazyLoadList.getRoot(root).hasClass('show');\n    };\n\n    /**\n     * Set this section as expanded.\n     *\n     * @param  {Object} root The section container element.\n     */\n    var setExpanded = function(root) {\n        root.addClass('expanded');\n    };\n\n    /**\n     * Set this section as collapsed.\n     *\n     * @param  {Object} root The section container element.\n     */\n    var setCollapsed = function(root) {\n        root.removeClass('expanded');\n    };\n\n    /**\n     * Render the total count value and show it for the user. Also update the placeholder\n     * HTML for better visuals.\n     *\n     * @param {Object} root The section container element.\n     * @param {Number} count The total count\n     */\n    var renderTotalCount = function(root, count) {\n        var container = root.find(SELECTORS.SECTION_TOTAL_COUNT_CONTAINER);\n        var countElement = container.find(SELECTORS.SECTION_TOTAL_COUNT);\n        countElement.text(count);\n        container.removeClass('hidden');\n        Str.get_string('totalconversations', 'core_message', count).done(function(string) {\n            container.attr('aria-label', string);\n        });\n\n        var numPlaceholders = count > 20 ? 20 : count;\n        // Array of \"true\" up to the number of placeholders we want.\n        var placeholders = Array.apply(null, Array(numPlaceholders)).map(function() {\n            return true;\n        });\n\n        // Replace the current placeholder (loading spinner) with some nicer placeholders that\n        // better represent the content.\n        Templates.render(TEMPLATES.CONVERSATIONS_LIST_ITEMS_PLACEHOLDER, {placeholders: placeholders})\n            .then(function(html) {\n                var placeholderContainer = root.find(SELECTORS.PLACEHOLDER_CONTAINER);\n                placeholderContainer.html(html);\n                return;\n            })\n            .catch(function() {\n                // Silently ignore. Doesn't matter if we can't render the placeholders.\n            });\n    };\n\n    /**\n     * Render the unread count value and show it for the user if it's higher than zero.\n     *\n     * @param {Object} root The section container element.\n     * @param {Number} count The unread count\n     */\n    var renderUnreadCount = function(root, count) {\n        var countElement = root.find(SELECTORS.SECTION_UNREAD_COUNT);\n        countElement.text(count);\n\n        Str.get_string('unreadconversations', 'core_message', count).done(function(string) {\n            countElement.attr('aria-label', string);\n        });\n\n        if (count > 0) {\n            countElement.removeClass('hidden');\n        }\n    };\n\n    /**\n     * Create a formatted conversation object from the the one we get from events. The new object\n     * will be in a format that matches what we receive from the server.\n     *\n     * @param {Object} conversation\n     * @return {Object} formatted conversation.\n     */\n    var formatConversationFromEvent = function(conversation) {\n        // Recursively lowercase all of the keys for an object.\n        var recursivelyLowercaseKeys = function(object) {\n            return Object.keys(object).reduce(function(carry, key) {\n                if ($.isArray(object[key])) {\n                    carry[key.toLowerCase()] = object[key].map(recursivelyLowercaseKeys);\n                } else {\n                    carry[key.toLowerCase()] = object[key];\n                }\n\n                return carry;\n            }, {});\n        };\n\n        // Recursively lowercase all of the keys for the conversation.\n        var formatted = recursivelyLowercaseKeys(conversation);\n\n        // Make sure all messages have the useridfrom property set.\n        formatted.messages = formatted.messages.map(function(message) {\n            message.useridfrom = message.userfrom.id;\n            return message;\n        });\n\n        return formatted;\n    };\n\n    /**\n     * Render the messages in the overview page.\n     *\n     * @param {Array} conversations List of conversations to render.\n     * @param {Number} userId Logged in user id.\n     * @return {Object} jQuery promise.\n     */\n    var render = function(conversations, userId) {\n\n        // Helper to format the last message for rendering.\n        // Returns a promise which resolves to either a string, or null\n        // (such as in the event of an empty personal space).\n        var pending = new Pending();\n\n        var formatMessagePreview = async function(lastMessage) {\n            if (!lastMessage) {\n                return null;\n            }\n            // Check the message html for a src attribute, indicative of media.\n            // Replace <img with <noimg to stop browsers pre-fetching the image as part of tmp element creation.\n            var tmpElement = document.createElement(\"element\");\n            tmpElement.innerHTML = lastMessage.text.replace(/<img /g, '<noimg ');\n            var isMedia = tmpElement.querySelector(\"[src]\") || false;\n\n            if (!isMedia) {\n                // Try to get the text value of the content.\n                // If that's not possible, we'll report it under the catch-all 'other media'.\n                var messagePreview = $(lastMessage.text).text();\n                if (messagePreview) {\n                    // The text value of the message must have no html/script tags.\n                    if (messagePreview.indexOf('<') == -1) {\n                        return messagePreview;\n                    }\n                }\n            }\n\n            // As a fallback, report unknowns as 'other media' type content.\n            var pix = 'i/messagecontentmultimediageneral';\n            var label = 'messagecontentmultimediageneral';\n\n            if (lastMessage.text.includes('<img')) {\n                pix = 'i/messagecontentimage';\n                label = 'messagecontentimage';\n            } else if (lastMessage.text.includes('<video')) {\n                pix = 'i/messagecontentvideo';\n                label = 'messagecontentvideo';\n            } else if (lastMessage.text.includes('<audio')) {\n                pix = 'i/messagecontentaudio';\n                label = 'messagecontentaudio';\n            }\n\n            try {\n                var labelString = await Str.get_string(label, 'core_message');\n                var icon = await Templates.renderPix(pix, 'core', labelString);\n                return icon + ' ' + labelString;\n            } catch (error) {\n                Notification.exception(error);\n                return null;\n            }\n        };\n\n        var mapPromises = conversations.map(function(conversation) {\n\n            var lastMessage = conversation.messages.length ? conversation.messages[conversation.messages.length - 1] : null;\n\n            return formatMessagePreview(lastMessage)\n                .then(function(messagePreview) {\n                    var formattedConversation = {\n                        id: conversation.id,\n                        imageurl: conversation.imageurl,\n                        name: conversation.name,\n                        subname: conversation.subname,\n                        unreadcount: conversation.unreadcount,\n                        ismuted: conversation.ismuted,\n                        lastmessagedate: lastMessage ? lastMessage.timecreated : null,\n                        sentfromcurrentuser: lastMessage ? lastMessage.useridfrom == userId : null,\n                        lastmessage: messagePreview\n                    };\n\n                    var otherUser = null;\n                    if (conversation.type == MessageDrawerViewConversationContants.CONVERSATION_TYPES.SELF) {\n                        // Self-conversations have only one member.\n                        otherUser = conversation.members[0];\n                    } else if (conversation.type == MessageDrawerViewConversationContants.CONVERSATION_TYPES.PRIVATE) {\n                        // For private conversations, remove the current userId from the members to get the other user.\n                        otherUser = conversation.members.reduce(function(carry, member) {\n                            if (!carry && member.id != userId) {\n                                carry = member;\n                            }\n                            return carry;\n                        }, null);\n                    }\n\n                    if (otherUser !== null) {\n                        formattedConversation.userid = otherUser.id;\n                        formattedConversation.showonlinestatus = otherUser.showonlinestatus;\n                        formattedConversation.isonline = otherUser.isonline;\n                        formattedConversation.isblocked = otherUser.isblocked;\n                    }\n\n                    if (conversation.type == MessageDrawerViewConversationContants.CONVERSATION_TYPES.PUBLIC) {\n                        formattedConversation.lastsendername = conversation.members.reduce(function(carry, member) {\n                            if (!carry && lastMessage && member.id == lastMessage.useridfrom) {\n                                carry = member.fullname;\n                            }\n                            return carry;\n                        }, null);\n                    }\n\n                    return formattedConversation;\n                }).catch(Notification.exception);\n        });\n\n        return Promise.all(mapPromises)\n            .then(function(formattedConversations) {\n                formattedConversations.forEach(function(conversation) {\n                    if (new Date().toDateString() == new Date(conversation.lastmessagedate * 1000).toDateString()) {\n                        conversation.istoday = true;\n                    }\n                });\n\n                return Templates.render(TEMPLATES.CONVERSATIONS_LIST, {conversations: formattedConversations});\n            }).then(function(html, js) {\n                pending.resolve();\n                return $.Deferred().resolve(html, js);\n            }).catch(function(error) {\n                pending.resolve();\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Build the callback to load conversations.\n     *\n     * @param  {Array|null} types The conversation types for this section.\n     * @param  {bool} includeFavourites Include/exclude favourites.\n     * @param  {Number} offset Result offset\n     * @return {Function}\n     */\n    var getLoadCallback = function(types, includeFavourites, offset) {\n        // Note: This function is a bit messy because we've added the concept of loading\n        // multiple conversations types (e.g. private + self) at once but haven't properly\n        // updated the web service to accept an array of types. Instead we've added a new\n        // parameter for the self type which means we can only ever load self + other type.\n        // This should be improved to make it more extensible in the future. Adding new params\n        // for each type isn't very scalable.\n        var type = null;\n        // Include self conversations in the results by default.\n        var includeSelfConversations = true;\n        if (types && types.length) {\n            // Just get the conversation types that aren't \"self\" for now.\n            var nonSelfConversationTypes = types.filter(function(candidate) {\n                return candidate != MessageDrawerViewConversationContants.CONVERSATION_TYPES.SELF;\n            });\n            // If we're specifically asking for a list of types that doesn't include the self\n            // conversations then we don't need to include them.\n            includeSelfConversations = types.length != nonSelfConversationTypes.length;\n            // As mentioned above the webservice is currently limited to loading one type at a\n            // time (plus self conversations) so let's hope we never change this.\n            type = nonSelfConversationTypes[0];\n        }\n\n        return function(root, userId) {\n            return MessageRepository.getConversations(\n                    userId,\n                    type,\n                    LOAD_LIMIT + 1,\n                    offset,\n                    includeFavourites,\n                    includeSelfConversations\n                )\n                .then(function(response) {\n                    var conversations = response.conversations;\n\n                    if (conversations.length > LOAD_LIMIT) {\n                        conversations = conversations.slice(0, -1);\n                    } else {\n                        LazyLoadList.setLoadedAll(root, true);\n                    }\n\n                    offset = offset + LOAD_LIMIT;\n\n                    conversations.forEach(function(conversation) {\n                        loadedConversationsById[conversation.id] = conversation;\n                    });\n\n                    return conversations;\n                })\n                .catch(Notification.exception);\n        };\n    };\n\n    /**\n     * Get the total count container element.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @return {Object} Total count container element.\n     */\n    var getTotalConversationCountElement = function(root) {\n        return root.find(SELECTORS.SECTION_TOTAL_COUNT);\n    };\n\n    /**\n     * Get the unread conversations count container element.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @return {Object} Unread conversations count container element.\n     */\n    var getTotalUnreadConversationCountElement = function(root) {\n        return root.find(SELECTORS.SECTION_UNREAD_COUNT);\n    };\n\n    /**\n     * Increment the total conversations count.\n     *\n     * @param  {Object} root Overview messages container element.\n     */\n    var incrementTotalConversationCount = function(root) {\n        if (loadedTotalCounts) {\n            var element = getTotalConversationCountElement(root);\n            var count = parseInt(element.text());\n            count = count + 1;\n            element.text(count);\n        }\n    };\n\n    /**\n     * Decrement the total conversations count.\n     *\n     * @param  {Object} root Overview messages container element.\n     */\n    var decrementTotalConversationCount = function(root) {\n        if (loadedTotalCounts) {\n            var element = getTotalConversationCountElement(root);\n            var count = parseInt(element.text());\n            count = count - 1;\n            element.text(count);\n        }\n    };\n\n    /**\n     * Decrement the total unread conversations count.\n     *\n     * @param  {Object} root Overview messages container element.\n     */\n    var decrementTotalUnreadConversationCount = function(root) {\n        if (loadedUnreadCounts) {\n            var element = getTotalUnreadConversationCountElement(root);\n            var count = parseInt(element.text());\n            count = count - 1;\n            element.text(count);\n\n            if (count < 1) {\n                element.addClass('hidden');\n            }\n        }\n    };\n\n    /**\n     * Get a contact / conversation element.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Number} conversationId The conversation id.\n     * @return {Object} Conversation element.\n     */\n    var getConversationElement = function(root, conversationId) {\n        return root.find('[data-conversation-id=\"' + conversationId + '\"]');\n    };\n\n    /**\n     * Get a contact / conversation element from a user id.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Number} userId The user id.\n     * @return {Object} Conversation element.\n     */\n    var getConversationElementFromUserId = function(root, userId) {\n        return root.find('[data-user-id=\"' + userId + '\"]');\n    };\n\n    /**\n     * Show the conversation is muted icon.\n     *\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var muteConversation = function(conversationElement) {\n        conversationElement.find(SELECTORS.MUTED_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the conversation is muted icon.\n     *\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var unmuteConversation = function(conversationElement) {\n        conversationElement.find(SELECTORS.MUTED_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the contact is blocked icon.\n     *\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var blockContact = function(conversationElement) {\n        conversationElement.find(SELECTORS.BLOCKED_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the contact is blocked icon.\n     *\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var unblockContact = function(conversationElement) {\n        conversationElement.find(SELECTORS.BLOCKED_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Create an render new conversation element in the list of conversations.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Object} conversation The conversation.\n     * @param  {Number} userId The logged in user id.\n     * @return {Object} jQuery promise\n     */\n    var createNewConversationFromEvent = function(root, conversation, userId) {\n        var existingConversations = root.find(SELECTORS.CONVERSATION);\n\n        if (!existingConversations.length) {\n            // If we didn't have any conversations then we need to show\n            // the content of the list and hide the empty message.\n            var listRoot = LazyLoadList.getRoot(root);\n            LazyLoadList.showContent(listRoot);\n            LazyLoadList.hideEmptyMessage(listRoot);\n        }\n\n        // Cache the conversation.\n        loadedConversationsById[conversation.id] = conversation;\n\n        return render([conversation], userId)\n            .then(function(html) {\n                var contentContainer = LazyLoadList.getContentContainer(root);\n                return contentContainer.prepend(html);\n            })\n            .then(function() {\n                return incrementTotalConversationCount(root);\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Delete a conversation from the list of conversations.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var deleteConversation = function(root, conversationElement) {\n        conversationElement.remove();\n        decrementTotalConversationCount(root);\n\n        var conversations = root.find(SELECTORS.CONVERSATION);\n        if (!conversations.length) {\n            // If we don't have any conversations then we need to hide\n            // the content of the list and show the empty message.\n            var listRoot = LazyLoadList.getRoot(root);\n            LazyLoadList.hideContent(listRoot);\n            LazyLoadList.showEmptyMessage(listRoot);\n        }\n    };\n\n    /**\n     * Mark a conversation as read.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var markConversationAsRead = function(root, conversationElement) {\n        var unreadCount = conversationElement.find(SELECTORS.UNREAD_COUNT);\n        unreadCount.text('0');\n        unreadCount.addClass('hidden');\n        decrementTotalUnreadConversationCount(root);\n    };\n\n    /**\n     * Listen to, and handle events in this section.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Array|null} types The conversation types for this section\n     * @param {bool} includeFavourites If this section includes favourites\n     * @param {String} fromPanel Routing argument to send if the section is loaded in message index left panel.\n     */\n    var registerEventListeners = function(namespace, root, loadCallback, types, includeFavourites, fromPanel) {\n        var listRoot = LazyLoadList.getRoot(root);\n        var conversationBelongsToThisSection = function(conversation) {\n            // Make sure the type is an int so that the index of check matches correctly.\n            var conversationType = parseInt(conversation.type, 10);\n            if (\n                // If the conversation type isn't one this section cares about then we can ignore it.\n                (types && types.indexOf(conversationType) < 0) ||\n                // If this is the favourites section and the conversation isn't a favourite then ignore it.\n                (includeFavourites && !conversation.isFavourite) ||\n                // If this section doesn't include favourites and the conversation is a favourite then ignore it.\n                (!includeFavourites && conversation.isFavourite)\n            ) {\n                return false;\n            }\n\n            return true;\n        };\n\n        // Set the minimum height of the section to the height of the toggle. This\n        // smooths out the collapse animation.\n        var toggle = root.find(SELECTORS.TOGGLE);\n        root.css('min-height', toggle.outerHeight());\n\n        root.on('show.bs.collapse', function() {\n            setExpanded(root);\n            LazyLoadList.show(listRoot, loadCallback, function(contentContainer, conversations, userId) {\n                return render(conversations, userId)\n                    .then(function(html) {\n                        contentContainer.append(html);\n                        return html;\n                    })\n                    .catch(Notification.exception);\n            });\n        });\n\n        root.on('hidden.bs.collapse', function() {\n            setCollapsed(root);\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_BLOCKED, function(userId) {\n            var conversationElement = getConversationElementFromUserId(root, userId);\n            if (conversationElement.length) {\n                blockContact(conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_UNBLOCKED, function(userId) {\n            var conversationElement = getConversationElementFromUserId(root, userId);\n\n            if (conversationElement.length) {\n                unblockContact(conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_SET_MUTED, function(conversation) {\n            var conversationId = conversation.id;\n            var conversationElement = getConversationElement(root, conversationId);\n            if (conversationElement.length) {\n                muteConversation(conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_UNSET_MUTED, function(conversation) {\n            var conversationId = conversation.id;\n            var conversationElement = getConversationElement(root, conversationId);\n            if (conversationElement.length) {\n                unmuteConversation(conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, function(conversation) {\n            if (!conversationBelongsToThisSection(conversation)) {\n                return;\n            }\n\n            var pendingPromise = new Pending('core_message/message_drawer_view_overview_section:new');\n            var loggedInUserId = conversation.loggedInUserId;\n            var conversationId = conversation.id;\n            var element = getConversationElement(root, conversationId);\n            conversation = formatConversationFromEvent(conversation);\n            if (element.length) {\n                var contentContainer = LazyLoadList.getContentContainer(root);\n                render([conversation], loggedInUserId)\n                    .then(function(html) {\n                        if (deletedConversationsById[conversationId]) {\n                            // This conversation was deleted at some point since the messaging drawer was created.\n                            if (conversation.messages[0].timeadded < deletedConversationsById[conversationId]) {\n                                // The 'new' message was added before the conversation was deleted.\n                                // This is probably stale data.\n                                return;\n                            }\n                        }\n                        contentContainer.prepend(html);\n                        element.remove();\n\n                        return;\n                    })\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n            } else if (conversation.messages.length) {\n                createNewConversationFromEvent(root, conversation, loggedInUserId)\n                .then(pendingPromise.resolve)\n                .catch();\n            } else {\n                pendingPromise.resolve();\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_DELETED, function(conversationId) {\n            var conversationElement = getConversationElement(root, conversationId);\n            delete loadedConversationsById[conversationId];\n            deletedConversationsById[conversationId] = new Date();\n            if (conversationElement.length) {\n                deleteConversation(root, conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_READ, function(conversationId) {\n            var conversationElement = getConversationElement(root, conversationId);\n            if (conversationElement.length) {\n                markConversationAsRead(root, conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_SET_FAVOURITE, function(conversation) {\n            var conversationElement = null;\n            if (conversationBelongsToThisSection(conversation)) {\n                conversationElement = getConversationElement(root, conversation.id);\n                if (!conversationElement.length) {\n                    createNewConversationFromEvent(\n                        root,\n                        formatConversationFromEvent(conversation),\n                        conversation.loggedInUserId\n                    );\n                }\n            } else {\n                conversationElement = getConversationElement(root, conversation.id);\n                if (conversationElement.length) {\n                    deleteConversation(root, conversationElement);\n                }\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_UNSET_FAVOURITE, function(conversation) {\n            var conversationElement = null;\n            if (conversationBelongsToThisSection(conversation)) {\n                conversationElement = getConversationElement(root, conversation.id);\n                if (!conversationElement.length) {\n                    createNewConversationFromEvent(\n                        root,\n                        formatConversationFromEvent(conversation),\n                        conversation.loggedInUserId\n                    );\n                }\n            } else {\n                conversationElement = getConversationElement(root, conversation.id);\n                if (conversationElement.length) {\n                    deleteConversation(root, conversationElement);\n                }\n            }\n        });\n\n        CustomEvents.define(root, [CustomEvents.events.activate]);\n        root.on(CustomEvents.events.activate, SELECTORS.CONVERSATION, function(e, data) {\n            var conversationElement = $(e.target).closest(SELECTORS.CONVERSATION);\n            var conversationId = conversationElement.attr('data-conversation-id');\n            var conversation = loadedConversationsById[conversationId];\n            MessageDrawerRouter.go(namespace, MessageDrawerRoutes.VIEW_CONVERSATION, conversation, fromPanel);\n\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    /**\n     * Setup the section.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} header The header container element.\n     * @param {Object} body The section container element.\n     * @param {Object} footer The footer container element.\n     * @param {Array} types The conversation types that show in this section\n     * @param {bool} includeFavourites If this section includes favourites\n     * @param {Object} totalCountPromise Resolves wth the total conversations count\n     * @param {Object} unreadCountPromise Resolves wth the unread conversations count\n     * @param {bool} fromPanel shown in message app panel.\n     */\n    var show = function(namespace, header, body, footer, types, includeFavourites, totalCountPromise, unreadCountPromise,\n        fromPanel) {\n        var root = $(body);\n\n        if (!root.attr('data-init')) {\n            var loadCallback = getLoadCallback(types, includeFavourites, 0);\n            registerEventListeners(namespace, root, loadCallback, types, includeFavourites, fromPanel);\n\n            if (isVisible(root)) {\n                setExpanded(root);\n                var listRoot = LazyLoadList.getRoot(root);\n                LazyLoadList.show(listRoot, loadCallback, function(contentContainer, conversations, userId) {\n                    return render(conversations, userId)\n                        .then(function(html) {\n                            contentContainer.append(html);\n                            return html;\n                        })\n                        .catch(Notification.exception);\n                });\n            }\n\n            // This is given to us by the calling code because the total counts for all sections\n            // are loaded in a single ajax request rather than one request per section.\n            totalCountPromise.then(function(count) {\n                renderTotalCount(root, count);\n                loadedTotalCounts = true;\n                return;\n            })\n            .catch(function() {\n                // Silently ignore if we can't updated the counts. No need to bother the user.\n            });\n\n            // This is given to us by the calling code because the unread counts for all sections\n            // are loaded in a single ajax request rather than one request per section.\n            unreadCountPromise.then(function(count) {\n                renderUnreadCount(root, count);\n                loadedUnreadCounts = true;\n                return;\n            })\n            .catch(function() {\n                // Silently ignore if we can't updated the counts. No need to bother the user.\n            });\n\n            root.attr('data-init', true);\n        }\n    };\n\n    return {\n        show: show,\n        isVisible: isVisible\n    };\n});\n"],"file":"message_drawer_view_overview_section.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_overview_section.min.js","sources":["../src/message_drawer_view_overview_section.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls a section of the overview page in the message drawer.\n *\n * @module     core_message/message_drawer_view_overview_section\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pubsub',\n    'core/str',\n    'core/pending',\n    'core/templates',\n    'core/user_date',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n    'core_message/message_drawer_router',\n    'core_message/message_drawer_routes',\n    'core_message/message_drawer_lazy_load_list',\n    'core_message/message_drawer_view_conversation_constants'\n],\nfunction(\n    $,\n    CustomEvents,\n    Notification,\n    PubSub,\n    Str,\n    Pending,\n    Templates,\n    UserDate,\n    MessageRepository,\n    MessageDrawerEvents,\n    MessageDrawerRouter,\n    MessageDrawerRoutes,\n    LazyLoadList,\n    MessageDrawerViewConversationContants\n) {\n\n    var SELECTORS = {\n        TOGGLE: '[data-region=\"toggle\"]',\n        CONVERSATION: '[data-conversation-id]',\n        BLOCKED_ICON_CONTAINER: '[data-region=\"contact-icon-blocked\"]',\n        LAST_MESSAGE: '[data-region=\"last-message\"]',\n        LAST_MESSAGE_DATE: '[data-region=\"last-message-date\"]',\n        MUTED_ICON_CONTAINER: '[data-region=\"muted-icon-container\"]',\n        UNREAD_COUNT: '[data-region=\"unread-count\"]',\n        SECTION_TOTAL_COUNT: '[data-region=\"section-total-count\"]',\n        SECTION_TOTAL_COUNT_CONTAINER: '[data-region=\"section-total-count-container\"]',\n        SECTION_UNREAD_COUNT: '[data-region=\"section-unread-count\"]',\n        PLACEHOLDER_CONTAINER: '[data-region=\"placeholder-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONVERSATIONS_LIST: 'core_message/message_drawer_conversations_list',\n        CONVERSATIONS_LIST_ITEMS_PLACEHOLDER: 'core_message/message_drawer_conversations_list_items_placeholder'\n    };\n\n    var LOAD_LIMIT = 50;\n    var loadedConversationsById = {};\n    var deletedConversationsById = {};\n    var loadedTotalCounts = false;\n    var loadedUnreadCounts = false;\n\n    /**\n     * Get the section visibility status.\n     *\n     * @param  {Object} root The section container element.\n     * @return {Bool} Is section visible.\n     */\n    var isVisible = function(root) {\n        return LazyLoadList.getRoot(root).hasClass('show');\n    };\n\n    /**\n     * Set this section as expanded.\n     *\n     * @param  {Object} root The section container element.\n     */\n    var setExpanded = function(root) {\n        root.addClass('expanded');\n    };\n\n    /**\n     * Set this section as collapsed.\n     *\n     * @param  {Object} root The section container element.\n     */\n    var setCollapsed = function(root) {\n        root.removeClass('expanded');\n    };\n\n    /**\n     * Render the total count value and show it for the user. Also update the placeholder\n     * HTML for better visuals.\n     *\n     * @param {Object} root The section container element.\n     * @param {Number} count The total count\n     */\n    var renderTotalCount = function(root, count) {\n        var container = root.find(SELECTORS.SECTION_TOTAL_COUNT_CONTAINER);\n        var countElement = container.find(SELECTORS.SECTION_TOTAL_COUNT);\n        countElement.text(count);\n        container.removeClass('hidden');\n        Str.get_string('totalconversations', 'core_message', count).done(function(string) {\n            container.attr('aria-label', string);\n        });\n\n        var numPlaceholders = count > 20 ? 20 : count;\n        // Array of \"true\" up to the number of placeholders we want.\n        var placeholders = Array.apply(null, Array(numPlaceholders)).map(function() {\n            return true;\n        });\n\n        // Replace the current placeholder (loading spinner) with some nicer placeholders that\n        // better represent the content.\n        Templates.render(TEMPLATES.CONVERSATIONS_LIST_ITEMS_PLACEHOLDER, {placeholders: placeholders})\n            .then(function(html) {\n                var placeholderContainer = root.find(SELECTORS.PLACEHOLDER_CONTAINER);\n                placeholderContainer.html(html);\n                return;\n            })\n            .catch(function() {\n                // Silently ignore. Doesn't matter if we can't render the placeholders.\n            });\n    };\n\n    /**\n     * Render the unread count value and show it for the user if it's higher than zero.\n     *\n     * @param {Object} root The section container element.\n     * @param {Number} count The unread count\n     */\n    var renderUnreadCount = function(root, count) {\n        var countElement = root.find(SELECTORS.SECTION_UNREAD_COUNT);\n        countElement.text(count);\n\n        Str.get_string('unreadconversations', 'core_message', count).done(function(string) {\n            countElement.attr('aria-label', string);\n        });\n\n        if (count > 0) {\n            countElement.removeClass('hidden');\n        }\n    };\n\n    /**\n     * Create a formatted conversation object from the the one we get from events. The new object\n     * will be in a format that matches what we receive from the server.\n     *\n     * @param {Object} conversation\n     * @return {Object} formatted conversation.\n     */\n    var formatConversationFromEvent = function(conversation) {\n        // Recursively lowercase all of the keys for an object.\n        var recursivelyLowercaseKeys = function(object) {\n            return Object.keys(object).reduce(function(carry, key) {\n                if ($.isArray(object[key])) {\n                    carry[key.toLowerCase()] = object[key].map(recursivelyLowercaseKeys);\n                } else {\n                    carry[key.toLowerCase()] = object[key];\n                }\n\n                return carry;\n            }, {});\n        };\n\n        // Recursively lowercase all of the keys for the conversation.\n        var formatted = recursivelyLowercaseKeys(conversation);\n\n        // Make sure all messages have the useridfrom property set.\n        formatted.messages = formatted.messages.map(function(message) {\n            message.useridfrom = message.userfrom.id;\n            return message;\n        });\n\n        return formatted;\n    };\n\n    /**\n     * Render the messages in the overview page.\n     *\n     * @param {Array} conversations List of conversations to render.\n     * @param {Number} userId Logged in user id.\n     * @return {Object} jQuery promise.\n     */\n    var render = function(conversations, userId) {\n\n        // Helper to format the last message for rendering.\n        // Returns a promise which resolves to either a string, or null\n        // (such as in the event of an empty personal space).\n        var pending = new Pending();\n\n        var formatMessagePreview = async function(lastMessage) {\n            if (!lastMessage) {\n                return null;\n            }\n            // Check the message html for a src attribute, indicative of media.\n            // Replace <img with <noimg to stop browsers pre-fetching the image as part of tmp element creation.\n            var tmpElement = document.createElement(\"element\");\n            tmpElement.innerHTML = lastMessage.text.replace(/<img /g, '<noimg ');\n            var isMedia = tmpElement.querySelector(\"[src]\") || false;\n\n            if (!isMedia) {\n                // Try to get the text value of the content.\n                // If that's not possible, we'll report it under the catch-all 'other media'.\n                var messagePreview = $(lastMessage.text).text();\n                if (messagePreview) {\n                    // The text value of the message must have no html/script tags.\n                    if (messagePreview.indexOf('<') == -1) {\n                        return messagePreview;\n                    }\n                }\n            }\n\n            // As a fallback, report unknowns as 'other media' type content.\n            var pix = 'i/messagecontentmultimediageneral';\n            var label = 'messagecontentmultimediageneral';\n\n            if (lastMessage.text.includes('<img')) {\n                pix = 'i/messagecontentimage';\n                label = 'messagecontentimage';\n            } else if (lastMessage.text.includes('<video')) {\n                pix = 'i/messagecontentvideo';\n                label = 'messagecontentvideo';\n            } else if (lastMessage.text.includes('<audio')) {\n                pix = 'i/messagecontentaudio';\n                label = 'messagecontentaudio';\n            }\n\n            try {\n                var labelString = await Str.get_string(label, 'core_message');\n                var icon = await Templates.renderPix(pix, 'core', labelString);\n                return icon + ' ' + labelString;\n            } catch (error) {\n                Notification.exception(error);\n                return null;\n            }\n        };\n\n        var mapPromises = conversations.map(function(conversation) {\n\n            var lastMessage = conversation.messages.length ? conversation.messages[conversation.messages.length - 1] : null;\n\n            return formatMessagePreview(lastMessage)\n                .then(function(messagePreview) {\n                    var formattedConversation = {\n                        id: conversation.id,\n                        imageurl: conversation.imageurl,\n                        name: conversation.name,\n                        subname: conversation.subname,\n                        unreadcount: conversation.unreadcount,\n                        ismuted: conversation.ismuted,\n                        lastmessagedate: lastMessage ? lastMessage.timecreated : null,\n                        sentfromcurrentuser: lastMessage ? lastMessage.useridfrom == userId : null,\n                        lastmessage: messagePreview\n                    };\n\n                    var otherUser = null;\n                    if (conversation.type == MessageDrawerViewConversationContants.CONVERSATION_TYPES.SELF) {\n                        // Self-conversations have only one member.\n                        otherUser = conversation.members[0];\n                    } else if (conversation.type == MessageDrawerViewConversationContants.CONVERSATION_TYPES.PRIVATE) {\n                        // For private conversations, remove the current userId from the members to get the other user.\n                        otherUser = conversation.members.reduce(function(carry, member) {\n                            if (!carry && member.id != userId) {\n                                carry = member;\n                            }\n                            return carry;\n                        }, null);\n                    }\n\n                    if (otherUser !== null) {\n                        formattedConversation.userid = otherUser.id;\n                        formattedConversation.showonlinestatus = otherUser.showonlinestatus;\n                        formattedConversation.isonline = otherUser.isonline;\n                        formattedConversation.isblocked = otherUser.isblocked;\n                    }\n\n                    if (conversation.type == MessageDrawerViewConversationContants.CONVERSATION_TYPES.PUBLIC) {\n                        formattedConversation.lastsendername = conversation.members.reduce(function(carry, member) {\n                            if (!carry && lastMessage && member.id == lastMessage.useridfrom) {\n                                carry = member.fullname;\n                            }\n                            return carry;\n                        }, null);\n                    }\n\n                    return formattedConversation;\n                }).catch(Notification.exception);\n        });\n\n        return Promise.all(mapPromises)\n            .then(function(formattedConversations) {\n                formattedConversations.forEach(function(conversation) {\n                    if (new Date().toDateString() == new Date(conversation.lastmessagedate * 1000).toDateString()) {\n                        conversation.istoday = true;\n                    }\n                });\n\n                return Templates.render(TEMPLATES.CONVERSATIONS_LIST, {conversations: formattedConversations});\n            }).then(function(html, js) {\n                pending.resolve();\n                return $.Deferred().resolve(html, js);\n            }).catch(function(error) {\n                pending.resolve();\n                Notification.exception(error);\n            });\n    };\n\n    /**\n     * Build the callback to load conversations.\n     *\n     * @param  {Array|null} types The conversation types for this section.\n     * @param  {bool} includeFavourites Include/exclude favourites.\n     * @param  {Number} offset Result offset\n     * @return {Function}\n     */\n    var getLoadCallback = function(types, includeFavourites, offset) {\n        // Note: This function is a bit messy because we've added the concept of loading\n        // multiple conversations types (e.g. private + self) at once but haven't properly\n        // updated the web service to accept an array of types. Instead we've added a new\n        // parameter for the self type which means we can only ever load self + other type.\n        // This should be improved to make it more extensible in the future. Adding new params\n        // for each type isn't very scalable.\n        var type = null;\n        // Include self conversations in the results by default.\n        var includeSelfConversations = true;\n        if (types && types.length) {\n            // Just get the conversation types that aren't \"self\" for now.\n            var nonSelfConversationTypes = types.filter(function(candidate) {\n                return candidate != MessageDrawerViewConversationContants.CONVERSATION_TYPES.SELF;\n            });\n            // If we're specifically asking for a list of types that doesn't include the self\n            // conversations then we don't need to include them.\n            includeSelfConversations = types.length != nonSelfConversationTypes.length;\n            // As mentioned above the webservice is currently limited to loading one type at a\n            // time (plus self conversations) so let's hope we never change this.\n            type = nonSelfConversationTypes[0];\n        }\n\n        return function(root, userId) {\n            return MessageRepository.getConversations(\n                    userId,\n                    type,\n                    LOAD_LIMIT + 1,\n                    offset,\n                    includeFavourites,\n                    includeSelfConversations\n                )\n                .then(function(response) {\n                    var conversations = response.conversations;\n\n                    if (conversations.length > LOAD_LIMIT) {\n                        conversations = conversations.slice(0, -1);\n                    } else {\n                        LazyLoadList.setLoadedAll(root, true);\n                    }\n\n                    offset = offset + LOAD_LIMIT;\n\n                    conversations.forEach(function(conversation) {\n                        loadedConversationsById[conversation.id] = conversation;\n                    });\n\n                    return conversations;\n                })\n                .catch(Notification.exception);\n        };\n    };\n\n    /**\n     * Get the total count container element.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @return {Object} Total count container element.\n     */\n    var getTotalConversationCountElement = function(root) {\n        return root.find(SELECTORS.SECTION_TOTAL_COUNT);\n    };\n\n    /**\n     * Get the unread conversations count container element.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @return {Object} Unread conversations count container element.\n     */\n    var getTotalUnreadConversationCountElement = function(root) {\n        return root.find(SELECTORS.SECTION_UNREAD_COUNT);\n    };\n\n    /**\n     * Increment the total conversations count.\n     *\n     * @param  {Object} root Overview messages container element.\n     */\n    var incrementTotalConversationCount = function(root) {\n        if (loadedTotalCounts) {\n            var element = getTotalConversationCountElement(root);\n            var count = parseInt(element.text());\n            count = count + 1;\n            element.text(count);\n        }\n    };\n\n    /**\n     * Decrement the total conversations count.\n     *\n     * @param  {Object} root Overview messages container element.\n     */\n    var decrementTotalConversationCount = function(root) {\n        if (loadedTotalCounts) {\n            var element = getTotalConversationCountElement(root);\n            var count = parseInt(element.text());\n            count = count - 1;\n            element.text(count);\n        }\n    };\n\n    /**\n     * Decrement the total unread conversations count.\n     *\n     * @param  {Object} root Overview messages container element.\n     */\n    var decrementTotalUnreadConversationCount = function(root) {\n        if (loadedUnreadCounts) {\n            var element = getTotalUnreadConversationCountElement(root);\n            var count = parseInt(element.text());\n            count = count - 1;\n            element.text(count);\n\n            if (count < 1) {\n                element.addClass('hidden');\n            }\n        }\n    };\n\n    /**\n     * Get a contact / conversation element.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Number} conversationId The conversation id.\n     * @return {Object} Conversation element.\n     */\n    var getConversationElement = function(root, conversationId) {\n        return root.find('[data-conversation-id=\"' + conversationId + '\"]');\n    };\n\n    /**\n     * Get a contact / conversation element from a user id.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Number} userId The user id.\n     * @return {Object} Conversation element.\n     */\n    var getConversationElementFromUserId = function(root, userId) {\n        return root.find('[data-user-id=\"' + userId + '\"]');\n    };\n\n    /**\n     * Show the conversation is muted icon.\n     *\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var muteConversation = function(conversationElement) {\n        conversationElement.find(SELECTORS.MUTED_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the conversation is muted icon.\n     *\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var unmuteConversation = function(conversationElement) {\n        conversationElement.find(SELECTORS.MUTED_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the contact is blocked icon.\n     *\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var blockContact = function(conversationElement) {\n        conversationElement.find(SELECTORS.BLOCKED_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the contact is blocked icon.\n     *\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var unblockContact = function(conversationElement) {\n        conversationElement.find(SELECTORS.BLOCKED_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Create an render new conversation element in the list of conversations.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Object} conversation The conversation.\n     * @param  {Number} userId The logged in user id.\n     * @return {Object} jQuery promise\n     */\n    var createNewConversationFromEvent = function(root, conversation, userId) {\n        var existingConversations = root.find(SELECTORS.CONVERSATION);\n\n        if (!existingConversations.length) {\n            // If we didn't have any conversations then we need to show\n            // the content of the list and hide the empty message.\n            var listRoot = LazyLoadList.getRoot(root);\n            LazyLoadList.showContent(listRoot);\n            LazyLoadList.hideEmptyMessage(listRoot);\n        }\n\n        // Cache the conversation.\n        loadedConversationsById[conversation.id] = conversation;\n\n        return render([conversation], userId)\n            .then(function(html) {\n                var contentContainer = LazyLoadList.getContentContainer(root);\n                return contentContainer.prepend(html);\n            })\n            .then(function() {\n                return incrementTotalConversationCount(root);\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Delete a conversation from the list of conversations.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var deleteConversation = function(root, conversationElement) {\n        conversationElement.remove();\n        decrementTotalConversationCount(root);\n\n        var conversations = root.find(SELECTORS.CONVERSATION);\n        if (!conversations.length) {\n            // If we don't have any conversations then we need to hide\n            // the content of the list and show the empty message.\n            var listRoot = LazyLoadList.getRoot(root);\n            LazyLoadList.hideContent(listRoot);\n            LazyLoadList.showEmptyMessage(listRoot);\n        }\n    };\n\n    /**\n     * Mark a conversation as read.\n     *\n     * @param  {Object} root Overview messages container element.\n     * @param  {Object} conversationElement The conversation element.\n     */\n    var markConversationAsRead = function(root, conversationElement) {\n        var unreadCount = conversationElement.find(SELECTORS.UNREAD_COUNT);\n        unreadCount.text('0');\n        unreadCount.addClass('hidden');\n        decrementTotalUnreadConversationCount(root);\n    };\n\n    /**\n     * Listen to, and handle events in this section.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} root The section container element.\n     * @param {Function} loadCallback The callback to load items.\n     * @param {Array|null} types The conversation types for this section\n     * @param {bool} includeFavourites If this section includes favourites\n     * @param {String} fromPanel Routing argument to send if the section is loaded in message index left panel.\n     */\n    var registerEventListeners = function(namespace, root, loadCallback, types, includeFavourites, fromPanel) {\n        var listRoot = LazyLoadList.getRoot(root);\n        var conversationBelongsToThisSection = function(conversation) {\n            // Make sure the type is an int so that the index of check matches correctly.\n            var conversationType = parseInt(conversation.type, 10);\n            if (\n                // If the conversation type isn't one this section cares about then we can ignore it.\n                (types && types.indexOf(conversationType) < 0) ||\n                // If this is the favourites section and the conversation isn't a favourite then ignore it.\n                (includeFavourites && !conversation.isFavourite) ||\n                // If this section doesn't include favourites and the conversation is a favourite then ignore it.\n                (!includeFavourites && conversation.isFavourite)\n            ) {\n                return false;\n            }\n\n            return true;\n        };\n\n        // Set the minimum height of the section to the height of the toggle. This\n        // smooths out the collapse animation.\n        var toggle = root.find(SELECTORS.TOGGLE);\n        root.css('min-height', toggle.outerHeight());\n\n        root.on('show.bs.collapse', function() {\n            setExpanded(root);\n            LazyLoadList.show(listRoot, loadCallback, function(contentContainer, conversations, userId) {\n                return render(conversations, userId)\n                    .then(function(html) {\n                        contentContainer.append(html);\n                        return html;\n                    })\n                    .catch(Notification.exception);\n            });\n        });\n\n        root.on('hidden.bs.collapse', function() {\n            setCollapsed(root);\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_BLOCKED, function(userId) {\n            var conversationElement = getConversationElementFromUserId(root, userId);\n            if (conversationElement.length) {\n                blockContact(conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_UNBLOCKED, function(userId) {\n            var conversationElement = getConversationElementFromUserId(root, userId);\n\n            if (conversationElement.length) {\n                unblockContact(conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_SET_MUTED, function(conversation) {\n            var conversationId = conversation.id;\n            var conversationElement = getConversationElement(root, conversationId);\n            if (conversationElement.length) {\n                muteConversation(conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_UNSET_MUTED, function(conversation) {\n            var conversationId = conversation.id;\n            var conversationElement = getConversationElement(root, conversationId);\n            if (conversationElement.length) {\n                unmuteConversation(conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_NEW_LAST_MESSAGE, function(conversation) {\n            if (!conversationBelongsToThisSection(conversation)) {\n                return;\n            }\n\n            var pendingPromise = new Pending('core_message/message_drawer_view_overview_section:new');\n            var loggedInUserId = conversation.loggedInUserId;\n            var conversationId = conversation.id;\n            var element = getConversationElement(root, conversationId);\n            conversation = formatConversationFromEvent(conversation);\n            if (element.length) {\n                var contentContainer = LazyLoadList.getContentContainer(root);\n                render([conversation], loggedInUserId)\n                    .then(function(html) {\n                        if (deletedConversationsById[conversationId]) {\n                            // This conversation was deleted at some point since the messaging drawer was created.\n                            if (conversation.messages[0].timeadded < deletedConversationsById[conversationId]) {\n                                // The 'new' message was added before the conversation was deleted.\n                                // This is probably stale data.\n                                return;\n                            }\n                        }\n                        contentContainer.prepend(html);\n                        element.remove();\n\n                        return;\n                    })\n                    .then(pendingPromise.resolve)\n                    .catch(Notification.exception);\n            } else if (conversation.messages.length) {\n                createNewConversationFromEvent(root, conversation, loggedInUserId)\n                .then(pendingPromise.resolve)\n                .catch();\n            } else {\n                pendingPromise.resolve();\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_DELETED, function(conversationId) {\n            var conversationElement = getConversationElement(root, conversationId);\n            delete loadedConversationsById[conversationId];\n            deletedConversationsById[conversationId] = new Date();\n            if (conversationElement.length) {\n                deleteConversation(root, conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_READ, function(conversationId) {\n            var conversationElement = getConversationElement(root, conversationId);\n            if (conversationElement.length) {\n                markConversationAsRead(root, conversationElement);\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_SET_FAVOURITE, function(conversation) {\n            var conversationElement = null;\n            if (conversationBelongsToThisSection(conversation)) {\n                conversationElement = getConversationElement(root, conversation.id);\n                if (!conversationElement.length) {\n                    createNewConversationFromEvent(\n                        root,\n                        formatConversationFromEvent(conversation),\n                        conversation.loggedInUserId\n                    );\n                }\n            } else {\n                conversationElement = getConversationElement(root, conversation.id);\n                if (conversationElement.length) {\n                    deleteConversation(root, conversationElement);\n                }\n            }\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_UNSET_FAVOURITE, function(conversation) {\n            var conversationElement = null;\n            if (conversationBelongsToThisSection(conversation)) {\n                conversationElement = getConversationElement(root, conversation.id);\n                if (!conversationElement.length) {\n                    createNewConversationFromEvent(\n                        root,\n                        formatConversationFromEvent(conversation),\n                        conversation.loggedInUserId\n                    );\n                }\n            } else {\n                conversationElement = getConversationElement(root, conversation.id);\n                if (conversationElement.length) {\n                    deleteConversation(root, conversationElement);\n                }\n            }\n        });\n\n        CustomEvents.define(root, [CustomEvents.events.activate]);\n        root.on(CustomEvents.events.activate, SELECTORS.CONVERSATION, function(e, data) {\n            var conversationElement = $(e.target).closest(SELECTORS.CONVERSATION);\n            var conversationId = conversationElement.attr('data-conversation-id');\n            var conversation = loadedConversationsById[conversationId];\n            MessageDrawerRouter.go(namespace, MessageDrawerRoutes.VIEW_CONVERSATION, conversation, fromPanel);\n\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    /**\n     * Setup the section.\n     *\n     * @param {String} namespace Unique identifier for the Routes\n     * @param {Object} header The header container element.\n     * @param {Object} body The section container element.\n     * @param {Object} footer The footer container element.\n     * @param {Array} types The conversation types that show in this section\n     * @param {bool} includeFavourites If this section includes favourites\n     * @param {Object} totalCountPromise Resolves wth the total conversations count\n     * @param {Object} unreadCountPromise Resolves wth the unread conversations count\n     * @param {bool} fromPanel shown in message app panel.\n     */\n    var show = function(namespace, header, body, footer, types, includeFavourites, totalCountPromise, unreadCountPromise,\n        fromPanel) {\n        var root = $(body);\n\n        if (!root.attr('data-init')) {\n            var loadCallback = getLoadCallback(types, includeFavourites, 0);\n            registerEventListeners(namespace, root, loadCallback, types, includeFavourites, fromPanel);\n\n            if (isVisible(root)) {\n                setExpanded(root);\n                var listRoot = LazyLoadList.getRoot(root);\n                LazyLoadList.show(listRoot, loadCallback, function(contentContainer, conversations, userId) {\n                    return render(conversations, userId)\n                        .then(function(html) {\n                            contentContainer.append(html);\n                            return html;\n                        })\n                        .catch(Notification.exception);\n                });\n            }\n\n            // This is given to us by the calling code because the total counts for all sections\n            // are loaded in a single ajax request rather than one request per section.\n            totalCountPromise.then(function(count) {\n                renderTotalCount(root, count);\n                loadedTotalCounts = true;\n                return;\n            })\n            .catch(function() {\n                // Silently ignore if we can't updated the counts. No need to bother the user.\n            });\n\n            // This is given to us by the calling code because the unread counts for all sections\n            // are loaded in a single ajax request rather than one request per section.\n            unreadCountPromise.then(function(count) {\n                renderUnreadCount(root, count);\n                loadedUnreadCounts = true;\n                return;\n            })\n            .catch(function() {\n                // Silently ignore if we can't updated the counts. No need to bother the user.\n            });\n\n            root.attr('data-init', true);\n        }\n    };\n\n    return {\n        show: show,\n        isVisible: isVisible\n    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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_search.min.js b/message/amd/build/message_drawer_view_search.min.js
index dc2cf825c6a..167cdfd5516 100644
--- a/message/amd/build/message_drawer_view_search.min.js
+++ b/message/amd/build/message_drawer_view_search.min.js
@@ -1,2 +1,10 @@
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[data-region=\"list\"]",EMPTY_MESSAGE_CONTAINER:"[data-region=\"empty-message-container\"]",LIST:"[data-region=\"list\"]",LOADING_ICON_CONTAINER:"[data-region=\"loading-icon-container\"]",LOADING_PLACEHOLDER:"[data-region=\"loading-placeholder\"]",MESSAGES_LIST:"[data-region=\"messages-container\"] [data-region=\"list\"]",MESSAGES_CONTAINER:"[data-region=\"messages-container\"]",NON_CONTACTS_CONTAINER:"[data-region=\"non-contacts-container\"]",NON_CONTACTS_LIST:"[data-region=\"non-contacts-container\"] [data-region=\"list\"]",SEARCH_ICON_CONTAINER:"[data-region=\"search-icon-container\"]",SEARCH_ACTION:"[data-action=\"search\"]",SEARCH_INPUT:"[data-region=\"search-input\"]",SEARCH_RESULTS_CONTAINER:"[data-region=\"search-results-container\"]",LOAD_MORE_USERS:"[data-action=\"load-more-users\"]",LOAD_MORE_MESSAGES:"[data-action=\"load-more-messages\"]",BUTTON_TEXT:"[data-region=\"button-text\"]",NO_RESULTS_CONTAINTER:"[data-region=\"no-results-container\"]",ALL_CONTACTS_CONTAINER:"[data-region=\"all-contacts-container\"]"},l={CONTACTS_LIST:"core_message/message_drawer_contacts_list",NON_CONTACTS_LIST:"core_message/message_drawer_non_contacts_list",MESSAGES_LIST:"core_message/message_drawer_messages_list"},m=function(a){return a.attr("data-user-id")},n=function(a){return a.find(k.EMPTY_MESSAGE_CONTAINER)},o=function(a){return a.find(k.LOADING_ICON_CONTAINER)},p=function(a){return a.find(k.LOADING_PLACEHOLDER)},q=function(a){return a.find(k.SEARCH_ICON_CONTAINER)},r=function(a){return a.find(k.SEARCH_INPUT)},s=function(a){return a.find(k.SEARCH_RESULTS_CONTAINER)},t=function(a){return a.find(k.CONTACTS_CONTAINER)},u=function(a){return a.find(k.NON_CONTACTS_CONTAINER)},v=function(a){return a.find(k.MESSAGES_CONTAINER)},w=function(a){n(a).removeClass("hidden")},x=function(a){n(a).addClass("hidden")},y=function(a){o(a).removeClass("hidden")},z=function(a){o(a).addClass("hidden")},A=function(a){p(a).removeClass("hidden")},B=function(a){p(a).addClass("hidden")},C=function(a){q(a).removeClass("hidden")},D=function(a){q(a).addClass("hidden")},E=function(a){s(a).removeClass("hidden")},F=function(a){s(a).addClass("hidden")},G=function(a){var b=s(a);b.find(k.ALL_CONTACTS_CONTAINER).addClass("hidden");b.find(k.MESSAGES_CONTAINER).addClass("hidden");b.find(k.NO_RESULTS_CONTAINTER).removeClass("hidden")},H=function(a){var b=s(a);b.find(k.ALL_CONTACTS_CONTAINER).removeClass("hidden");b.find(k.MESSAGES_CONTAINER).removeClass("hidden");b.find(k.NO_RESULTS_CONTAINTER).addClass("hidden")},I=function(a){var b=s(a);b.find(k.ALL_CONTACTS_CONTAINER).removeClass("hidden")},J=function(a){var b=s(a);b.find(k.ALL_CONTACTS_CONTAINER).addClass("hidden")},K=function(a){var b=s(a);b.find(k.CONTACTS_CONTAINER).removeClass("hidden")},L=function(a){var b=s(a);b.find(k.CONTACTS_CONTAINER).addClass("hidden")},M=function(a){var b=s(a);b.find(k.NON_CONTACTS_CONTAINER).removeClass("hidden")},N=function(a){var b=s(a);b.find(k.NON_CONTACTS_CONTAINER).addClass("hidden")},O=function(a){var b=s(a);b.find(k.MESSAGES_CONTAINER).removeClass("hidden")},P=function(a){var b=s(a);b.find(k.MESSAGES_CONTAINER).addClass("hidden")},Q=function(a){r(a).prop("disabled",!0)},R=function(a){r(a).prop("disabled",!1)},S=function(a){r(a).val("")},T=function(a){a.find(k.CONTACTS_LIST).empty();a.find(k.NON_CONTACTS_LIST).empty();a.find(k.MESSAGES_LIST).empty();H(a);I(a);K(a);M(a);O(a);Y(a);aa(a)},U=function(a,b){D(a);x(b);F(b);y(a);A(b);Q(a)},V=function(a,b){C(a);x(b);E(b);z(a);B(b);R(a)},W=function(a){var b=a.find(k.LOAD_MORE_USERS);b.prop("disabled",!0);b.find(k.BUTTON_TEXT).addClass("hidden");b.find(k.LOADING_ICON_CONTAINER).removeClass("hidden")},X=function(a){var b=a.find(k.LOAD_MORE_USERS);b.prop("disabled",!1);b.find(k.BUTTON_TEXT).removeClass("hidden");b.find(k.LOADING_ICON_CONTAINER).addClass("hidden")},Y=function(a){a.find(k.LOAD_MORE_USERS).removeClass("hidden")},Z=function(a){a.find(k.LOAD_MORE_USERS).addClass("hidden")},$=function(a){var b=a.find(k.LOAD_MORE_MESSAGES);b.prop("disabled",!0);b.find(k.BUTTON_TEXT).addClass("hidden");b.find(k.LOADING_ICON_CONTAINER).removeClass("hidden")},_=function(a){var b=a.find(k.LOAD_MORE_MESSAGES);b.prop("disabled",!1);b.find(k.BUTTON_TEXT).removeClass("hidden");b.find(k.LOADING_ICON_CONTAINER).addClass("hidden")},aa=function(a){a.find(k.LOAD_MORE_MESSAGES).removeClass("hidden")},ba=function(a){a.find(k.LOAD_MORE_MESSAGES).addClass("hidden")},ca=function(a,b){return a.find("[data-contact-user-id=\""+b+"\"]")},da=function(a,b){var c=u(a),d=ca(c,b.userid);if(d.length){d.remove();var e=t(a);e.removeClass("hidden");e.find(k.LIST).append(d)}if(!c.find(k.LIST).children().length){c.addClass("hidden")}},ea=function(a,b){var c=t(a),d=ca(c,b);if(d.length){d.remove();var e=u(a);e.removeClass("hidden");e.find(k.LIST).append(d)}if(!c.find(k.LIST).children().length){c.addClass("hidden")}},fa=function(a,b){var c=ca(a,b);if(c.length){c.find(k.BLOCK_ICON_CONTAINER).removeClass("hidden")}},ga=function(a,b){var c=ca(a,b);if(c.length){c.find(k.BLOCK_ICON_CONTAINER).addClass("hidden")}},ha=function(a,b){if(!a){return""}var c=new RegExp("("+b+")","gi");return a.replace(c,"<span class=\"matchtext\">$1</span>")},ia=function(a,b){var c=t(a),d=a.attr("data-in-panel"),e=c.find(k.LIST);return f.render(l.CONTACTS_LIST,{contacts:b,frompanel:d}).then(function(a){e.append(a);return a})},ja=function(a,b){var c=u(a),d=a.attr("data-in-panel"),e=c.find(k.LIST);return f.render(l.NON_CONTACTS_LIST,{noncontacts:b,frompanel:d}).then(function(a){e.append(a);return a})},ka=function(a,b){var c=v(a),d=a.attr("data-in-panel"),e=c.find(k.LIST);return f.render(l.MESSAGES_LIST,{messages:b,frompanel:d}).then(function(a){e.append(a);return a})},la=function(b,c,d,e,f){var h=!1;W(b);return g.searchUsers(c,d,e+1,f).then(function(a){var b=a.contacts,c=a.noncontacts;if(b.length<=e&&c.length<=e){h=!0;return{contacts:b,noncontacts:c}}else{return{contacts:b.slice(0,e),noncontacts:c.slice(0,e)}}}).then(function(c){var e=c.contacts.length,f=c.noncontacts.length;if(e){c.contacts.forEach(function(a){a.highlight=ha(a.fullname,d)})}if(f){c.noncontacts.forEach(function(a){a.highlight=ha(a.fullname,d)})}return a.when(e?ia(b,c.contacts):!0,f?ja(b,c.noncontacts):!0).then(function(){return{contactsCount:e,nonContactsCount:f}})}).then(function(a){X(b);if(h){Z(b)}return a}).catch(function(a){X(b);throw a})},ma=function(a,b,c,d,e){var f=!1;$(a);return g.searchMessages(b,c,d+1,e).then(function(a){var b=a.contacts;if(b.length<=d){f=!0;return b}else{return b.slice(0,d)}}).then(function(b){if(b.length){b.forEach(function(a){a.lastmessage=ha(a.lastmessage,c)});return ka(a,b).then(function(){return b.length})}else{return b.length}}).then(function(b){_(a);if(f){ba(a)}return b}).catch(function(b){_(a);throw b})},na=function(b,c,d,e,f,g,h){var i=m(c);U(b,c);T(c);return a.when(la(c,i,d,e,f),ma(c,i,d,g,h)).then(function(a,d){var e=a.contactsCount,f=a.nonContactsCount;V(b,c);if(!e&&!f&&!d){G(c)}else{if(!e&&!f){J(c)}else{if(!e){L(c)}if(!f){N(c)}}if(!d){P(c)}}})},oa=function(a,e){var f=m(e),g=r(a),l="",n=0,o=0,p=function(b,d){l=g.val().trim();if(""!==l){n=0;o=0;na(a,e,l,j,o,50,n).then(function(){g.focus();o=o+j;n=n+50}).catch(c.exception)}d.originalEvent.preventDefault()};b.define(g,[b.events.enter]);b.define(a,[b.events.activate]);b.define(e,[b.events.activate]);g.on(b.events.enter,p);a.on(b.events.activate,k.SEARCH_ACTION,p);e.on(b.events.activate,k.LOAD_MORE_MESSAGES,function(a,b){if(""!==l){ma(e,f,l,50,n).then(function(){n=n+50}).catch(c.exception)}b.originalEvent.preventDefault()});e.on(b.events.activate,k.LOAD_MORE_USERS,function(a,b){if(""!==l){la(e,f,l,i,o).then(function(){o=o+i}).catch(c.exception)}b.originalEvent.preventDefault()});a.on(b.events.activate,k.CANCEL_SEARCH_BUTTON,function(){S(a);w(e);C(a);F(e);z(a);B(e);o=0;n=0});d.subscribe(h.CONTACT_ADDED,function(a){da(e,a)});d.subscribe(h.CONTACT_REMOVED,function(a){ea(e,a)});d.subscribe(h.CONTACT_BLOCKED,function(a){fa(e,a)});d.subscribe(h.CONTACT_UNBLOCKED,function(a){ga(e,a)})},pa=function(a,b){if("object"!==_typeof(b)){return e.get_string("messagedrawerviewsearch","core_message")}var c=r(b),d=c.val().trim();return e.get_string("messagedrawerviewsearch","core_message",d)};return{show:function show(b,c,d){if(!d.attr("data-init")){oa(c,d);d.attr("data-init",!0)}var e=r(c);e.focus();return a.Deferred().resolve().promise()},description:pa}});
-//# sourceMappingURL=message_drawer_view_search.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * Controls the search page of the message drawer.
+ *
+ * @module     core_message/message_drawer_view_search
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */}define("core_message/message_drawer_view_search",["jquery","core/custom_interaction_events","core/notification","core/pubsub","core/str","core/templates","core_message/message_repository","core_message/message_drawer_events"],(function($,CustomEvents,Notification,PubSub,Str,Templates,Repository,Events){var SELECTORS_BLOCK_ICON_CONTAINER='[data-region="block-icon-container"]',SELECTORS_CANCEL_SEARCH_BUTTON='[data-action="cancel-search"]',SELECTORS_CONTACTS_CONTAINER='[data-region="contacts-container"]',SELECTORS_CONTACTS_LIST='[data-region="contacts-container"] [data-region="list"]',SELECTORS_EMPTY_MESSAGE_CONTAINER='[data-region="empty-message-container"]',SELECTORS_LIST='[data-region="list"]',SELECTORS_LOADING_ICON_CONTAINER='[data-region="loading-icon-container"]',SELECTORS_LOADING_PLACEHOLDER='[data-region="loading-placeholder"]',SELECTORS_MESSAGES_LIST='[data-region="messages-container"] [data-region="list"]',SELECTORS_MESSAGES_CONTAINER='[data-region="messages-container"]',SELECTORS_NON_CONTACTS_CONTAINER='[data-region="non-contacts-container"]',SELECTORS_NON_CONTACTS_LIST='[data-region="non-contacts-container"] [data-region="list"]',SELECTORS_SEARCH_ICON_CONTAINER='[data-region="search-icon-container"]',SELECTORS_SEARCH_ACTION='[data-action="search"]',SELECTORS_SEARCH_INPUT='[data-region="search-input"]',SELECTORS_SEARCH_RESULTS_CONTAINER='[data-region="search-results-container"]',SELECTORS_LOAD_MORE_USERS='[data-action="load-more-users"]',SELECTORS_LOAD_MORE_MESSAGES='[data-action="load-more-messages"]',SELECTORS_BUTTON_TEXT='[data-region="button-text"]',SELECTORS_NO_RESULTS_CONTAINTER='[data-region="no-results-container"]',SELECTORS_ALL_CONTACTS_CONTAINER='[data-region="all-contacts-container"]',TEMPLATES_CONTACTS_LIST="core_message/message_drawer_contacts_list",TEMPLATES_NON_CONTACTS_LIST="core_message/message_drawer_non_contacts_list",TEMPLATES_MESSAGES_LIST="core_message/message_drawer_messages_list",getLoggedInUserId=function(body){return body.attr("data-user-id")},getEmptyMessageContainer=function(body){return body.find(SELECTORS_EMPTY_MESSAGE_CONTAINER)},getLoadingIconContainer=function(header){return header.find(SELECTORS_LOADING_ICON_CONTAINER)},getLoadingPlaceholder=function(body){return body.find(SELECTORS_LOADING_PLACEHOLDER)},getSearchIconContainer=function(header){return header.find(SELECTORS_SEARCH_ICON_CONTAINER)},getSearchInput=function(header){return header.find(SELECTORS_SEARCH_INPUT)},getSearchResultsContainer=function(body){return body.find(SELECTORS_SEARCH_RESULTS_CONTAINER)},getContactsContainer=function(body){return body.find(SELECTORS_CONTACTS_CONTAINER)},getNonContactsContainer=function(body){return body.find(SELECTORS_NON_CONTACTS_CONTAINER)},hideEmptyMessage=function(body){getEmptyMessageContainer(body).addClass("hidden")},hideLoadingIcon=function(header){getLoadingIconContainer(header).addClass("hidden")},hideLoadingPlaceholder=function(body){getLoadingPlaceholder(body).addClass("hidden")},showSearchIcon=function(header){getSearchIconContainer(header).removeClass("hidden")},hideSearchResults=function(body){getSearchResultsContainer(body).addClass("hidden")},clearAllSearchResults=function(body){body.find(SELECTORS_CONTACTS_LIST).empty(),body.find(SELECTORS_NON_CONTACTS_LIST).empty(),body.find(SELECTORS_MESSAGES_LIST).empty(),function(body){var container=getSearchResultsContainer(body);container.find(SELECTORS_ALL_CONTACTS_CONTAINER).removeClass("hidden"),container.find(SELECTORS_MESSAGES_CONTAINER).removeClass("hidden"),container.find(SELECTORS_NO_RESULTS_CONTAINTER).addClass("hidden")}(body),function(body){getSearchResultsContainer(body).find(SELECTORS_ALL_CONTACTS_CONTAINER).removeClass("hidden")}(body),function(body){getSearchResultsContainer(body).find(SELECTORS_CONTACTS_CONTAINER).removeClass("hidden")}(body),function(body){getSearchResultsContainer(body).find(SELECTORS_NON_CONTACTS_CONTAINER).removeClass("hidden")}(body),function(body){getSearchResultsContainer(body).find(SELECTORS_MESSAGES_CONTAINER).removeClass("hidden")}(body),showLoadMoreUsersButton(body),showLoadMoreMessagesButton(body)},startLoading=function(header,body){!function(header){getSearchIconContainer(header).addClass("hidden")}(header),hideEmptyMessage(body),hideSearchResults(body),function(header){getLoadingIconContainer(header).removeClass("hidden")}(header),function(body){getLoadingPlaceholder(body).removeClass("hidden")}(body),function(header){getSearchInput(header).prop("disabled",!0)}(header)},stopLoading=function(header,body){showSearchIcon(header),hideEmptyMessage(body),function(body){getSearchResultsContainer(body).removeClass("hidden")}(body),hideLoadingIcon(header),hideLoadingPlaceholder(body),function(header){getSearchInput(header).prop("disabled",!1)}(header)},hideUsersLoadingIcon=function(root){var button=root.find(SELECTORS_LOAD_MORE_USERS);button.prop("disabled",!1),button.find(SELECTORS_BUTTON_TEXT).removeClass("hidden"),button.find(SELECTORS_LOADING_ICON_CONTAINER).addClass("hidden")},showLoadMoreUsersButton=function(root){root.find(SELECTORS_LOAD_MORE_USERS).removeClass("hidden")},hideMessagesLoadingIcon=function(root){var button=root.find(SELECTORS_LOAD_MORE_MESSAGES);button.prop("disabled",!1),button.find(SELECTORS_BUTTON_TEXT).removeClass("hidden"),button.find(SELECTORS_LOADING_ICON_CONTAINER).addClass("hidden")},showLoadMoreMessagesButton=function(root){root.find(SELECTORS_LOAD_MORE_MESSAGES).removeClass("hidden")},findContact=function(root,userId){return root.find('[data-contact-user-id="'+userId+'"]')},highlightSearch=function(content,searchText){if(!content)return"";var regex=new RegExp("("+searchText+")","gi");return content.replace(regex,'<span class="matchtext">$1</span>')},renderMessages=function(root,messages){var container=root.find(SELECTORS_MESSAGES_CONTAINER),frompanel=root.attr("data-in-panel"),list=container.find(SELECTORS_LIST);return Templates.render(TEMPLATES_MESSAGES_LIST,{messages:messages,frompanel:frompanel}).then((function(html){return list.append(html),html}))},loadMoreUsers=function(root,loggedInUserId,text,limit,offset){var loadedAll=!1;return function(root){var button=root.find(SELECTORS_LOAD_MORE_USERS);button.prop("disabled",!0),button.find(SELECTORS_BUTTON_TEXT).addClass("hidden"),button.find(SELECTORS_LOADING_ICON_CONTAINER).removeClass("hidden")}(root),Repository.searchUsers(loggedInUserId,text,limit+1,offset).then((function(results){var contacts=results.contacts,noncontacts=results.noncontacts;return contacts.length<=limit&&noncontacts.length<=limit?(loadedAll=!0,{contacts:contacts,noncontacts:noncontacts}):{contacts:contacts.slice(0,limit),noncontacts:noncontacts.slice(0,limit)}})).then((function(results){var contactsCount=results.contacts.length,nonContactsCount=results.noncontacts.length;return contactsCount&&results.contacts.forEach((function(contact){contact.highlight=highlightSearch(contact.fullname,text)})),nonContactsCount&&results.noncontacts.forEach((function(contact){contact.highlight=highlightSearch(contact.fullname,text)})),$.when(!contactsCount||function(root,contacts){var container=getContactsContainer(root),frompanel=root.attr("data-in-panel"),list=container.find(SELECTORS_LIST);return Templates.render(TEMPLATES_CONTACTS_LIST,{contacts:contacts,frompanel:frompanel}).then((function(html){return list.append(html),html}))}(root,results.contacts),!nonContactsCount||function(root,nonContacts){var container=getNonContactsContainer(root),frompanel=root.attr("data-in-panel"),list=container.find(SELECTORS_LIST);return Templates.render(TEMPLATES_NON_CONTACTS_LIST,{noncontacts:nonContacts,frompanel:frompanel}).then((function(html){return list.append(html),html}))}(root,results.noncontacts)).then((function(){return{contactsCount:contactsCount,nonContactsCount:nonContactsCount}}))})).then((function(counts){return hideUsersLoadingIcon(root),loadedAll&&function(root){root.find(SELECTORS_LOAD_MORE_USERS).addClass("hidden")}(root),counts})).catch((function(error){throw hideUsersLoadingIcon(root),error}))},loadMoreMessages=function(root,loggedInUserId,text,limit,offset){var loadedAll=!1;return function(root){var button=root.find(SELECTORS_LOAD_MORE_MESSAGES);button.prop("disabled",!0),button.find(SELECTORS_BUTTON_TEXT).addClass("hidden"),button.find(SELECTORS_LOADING_ICON_CONTAINER).removeClass("hidden")}(root),Repository.searchMessages(loggedInUserId,text,limit+1,offset).then((function(results){var messages=results.contacts;return messages.length<=limit?(loadedAll=!0,messages):messages.slice(0,limit)})).then((function(messages){return messages.length?(messages.forEach((function(message){message.lastmessage=highlightSearch(message.lastmessage,text)})),renderMessages(root,messages).then((function(){return messages.length}))):messages.length})).then((function(count){return hideMessagesLoadingIcon(root),loadedAll&&function(root){root.find(SELECTORS_LOAD_MORE_MESSAGES).addClass("hidden")}(root),count})).catch((function(error){throw hideMessagesLoadingIcon(root),error}))},search=function(header,body,searchText,usersLimit,usersOffset,messagesLimit,messagesOffset){var loggedInUserId=getLoggedInUserId(body);return startLoading(header,body),clearAllSearchResults(body),$.when(loadMoreUsers(body,loggedInUserId,searchText,usersLimit,usersOffset),loadMoreMessages(body,loggedInUserId,searchText,messagesLimit,messagesOffset)).then((function(userCounts,messagesCount){var contactsCount=userCounts.contactsCount,nonContactsCount=userCounts.nonContactsCount;stopLoading(header,body),contactsCount||nonContactsCount||messagesCount?(contactsCount||nonContactsCount?(contactsCount||function(body){getSearchResultsContainer(body).find(SELECTORS_CONTACTS_CONTAINER).addClass("hidden")}(body),nonContactsCount||function(body){getSearchResultsContainer(body).find(SELECTORS_NON_CONTACTS_CONTAINER).addClass("hidden")}(body)):function(body){getSearchResultsContainer(body).find(SELECTORS_ALL_CONTACTS_CONTAINER).addClass("hidden")}(body),messagesCount||function(body){getSearchResultsContainer(body).find(SELECTORS_MESSAGES_CONTAINER).addClass("hidden")}(body)):function(body){var container=getSearchResultsContainer(body);container.find(SELECTORS_ALL_CONTACTS_CONTAINER).addClass("hidden"),container.find(SELECTORS_MESSAGES_CONTAINER).addClass("hidden"),container.find(SELECTORS_NO_RESULTS_CONTAINTER).removeClass("hidden")}(body)}))},registerEventListeners=function(header,body){var loggedInUserId=getLoggedInUserId(body),searchInput=getSearchInput(header),searchText="",messagesOffset=0,usersOffset=0,searchEventHandler=function(e,data){""!==(searchText=searchInput.val().trim())&&search(header,body,searchText,3,usersOffset=0,50,messagesOffset=0).then((function(){searchInput.focus(),usersOffset+=3,messagesOffset+=50})).catch(Notification.exception),data.originalEvent.preventDefault()};CustomEvents.define(searchInput,[CustomEvents.events.enter]),CustomEvents.define(header,[CustomEvents.events.activate]),CustomEvents.define(body,[CustomEvents.events.activate]),searchInput.on(CustomEvents.events.enter,searchEventHandler),header.on(CustomEvents.events.activate,SELECTORS_SEARCH_ACTION,searchEventHandler),body.on(CustomEvents.events.activate,SELECTORS_LOAD_MORE_MESSAGES,(function(e,data){""!==searchText&&loadMoreMessages(body,loggedInUserId,searchText,50,messagesOffset).then((function(){messagesOffset+=50})).catch(Notification.exception),data.originalEvent.preventDefault()})),body.on(CustomEvents.events.activate,SELECTORS_LOAD_MORE_USERS,(function(e,data){""!==searchText&&loadMoreUsers(body,loggedInUserId,searchText,50,usersOffset).then((function(){usersOffset+=50})).catch(Notification.exception),data.originalEvent.preventDefault()})),header.on(CustomEvents.events.activate,SELECTORS_CANCEL_SEARCH_BUTTON,(function(){!function(header){getSearchInput(header).val("")}(header),function(body){getEmptyMessageContainer(body).removeClass("hidden")}(body),showSearchIcon(header),hideSearchResults(body),hideLoadingIcon(header),hideLoadingPlaceholder(body),usersOffset=0,messagesOffset=0})),PubSub.subscribe(Events.CONTACT_ADDED,(function(userId){!function(root,contact){var nonContactsContainer=getNonContactsContainer(root),nonContact=findContact(nonContactsContainer,contact.userid);if(nonContact.length){nonContact.remove();var contactsContainer=getContactsContainer(root);contactsContainer.removeClass("hidden"),contactsContainer.find(SELECTORS_LIST).append(nonContact)}nonContactsContainer.find(SELECTORS_LIST).children().length||nonContactsContainer.addClass("hidden")}(body,userId)})),PubSub.subscribe(Events.CONTACT_REMOVED,(function(userId){!function(root,userId){var contactsContainer=getContactsContainer(root),contact=findContact(contactsContainer,userId);if(contact.length){contact.remove();var nonContactsContainer=getNonContactsContainer(root);nonContactsContainer.removeClass("hidden"),nonContactsContainer.find(SELECTORS_LIST).append(contact)}contactsContainer.find(SELECTORS_LIST).children().length||contactsContainer.addClass("hidden")}(body,userId)})),PubSub.subscribe(Events.CONTACT_BLOCKED,(function(userId){!function(root,userId){var contact=findContact(root,userId);contact.length&&contact.find(SELECTORS_BLOCK_ICON_CONTAINER).removeClass("hidden")}(body,userId)})),PubSub.subscribe(Events.CONTACT_UNBLOCKED,(function(userId){!function(root,userId){var contact=findContact(root,userId);contact.length&&contact.find(SELECTORS_BLOCK_ICON_CONTAINER).addClass("hidden")}(body,userId)}))};return{show:function(namespace,header,body){return body.attr("data-init")||(registerEventListeners(header,body),body.attr("data-init",!0)),getSearchInput(header).focus(),$.Deferred().resolve().promise()},description:function(namespace,header){if("object"!==_typeof(header))return Str.get_string("messagedrawerviewsearch","core_message");var searchText=getSearchInput(header).val().trim();return Str.get_string("messagedrawerviewsearch","core_message",searchText)}}}));
+
+//# sourceMappingURL=message_drawer_view_search.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_search.min.js.map b/message/amd/build/message_drawer_view_search.min.js.map
index 95d1ce91693..604172fc68c 100644
--- a/message/amd/build/message_drawer_view_search.min.js.map
+++ b/message/amd/build/message_drawer_view_search.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the search page of the message drawer.\n *\n * @module     core_message/message_drawer_view_search\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pubsub',\n    'core/str',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n],\nfunction(\n    $,\n    CustomEvents,\n    Notification,\n    PubSub,\n    Str,\n    Templates,\n    Repository,\n    Events\n) {\n\n    var MESSAGE_SEARCH_LIMIT = 50;\n    var USERS_SEARCH_LIMIT = 50;\n    var USERS_INITIAL_SEARCH_LIMIT = 3;\n\n    var SELECTORS = {\n        BLOCK_ICON_CONTAINER: '[data-region=\"block-icon-container\"]',\n        CANCEL_SEARCH_BUTTON: '[data-action=\"cancel-search\"]',\n        CONTACTS_CONTAINER: '[data-region=\"contacts-container\"]',\n        CONTACTS_LIST: '[data-region=\"contacts-container\"] [data-region=\"list\"]',\n        EMPTY_MESSAGE_CONTAINER: '[data-region=\"empty-message-container\"]',\n        LIST: '[data-region=\"list\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n        LOADING_PLACEHOLDER: '[data-region=\"loading-placeholder\"]',\n        MESSAGES_LIST: '[data-region=\"messages-container\"] [data-region=\"list\"]',\n        MESSAGES_CONTAINER: '[data-region=\"messages-container\"]',\n        NON_CONTACTS_CONTAINER: '[data-region=\"non-contacts-container\"]',\n        NON_CONTACTS_LIST: '[data-region=\"non-contacts-container\"] [data-region=\"list\"]',\n        SEARCH_ICON_CONTAINER: '[data-region=\"search-icon-container\"]',\n        SEARCH_ACTION: '[data-action=\"search\"]',\n        SEARCH_INPUT: '[data-region=\"search-input\"]',\n        SEARCH_RESULTS_CONTAINER: '[data-region=\"search-results-container\"]',\n        LOAD_MORE_USERS: '[data-action=\"load-more-users\"]',\n        LOAD_MORE_MESSAGES: '[data-action=\"load-more-messages\"]',\n        BUTTON_TEXT: '[data-region=\"button-text\"]',\n        NO_RESULTS_CONTAINTER: '[data-region=\"no-results-container\"]',\n        ALL_CONTACTS_CONTAINER: '[data-region=\"all-contacts-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONTACTS_LIST: 'core_message/message_drawer_contacts_list',\n        NON_CONTACTS_LIST: 'core_message/message_drawer_non_contacts_list',\n        MESSAGES_LIST: 'core_message/message_drawer_messages_list'\n    };\n\n    /**\n     * Get the logged in user id.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Number} User id.\n     */\n    var getLoggedInUserId = function(body) {\n        return body.attr('data-user-id');\n    };\n\n    /**\n     * Show the no messages container element.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} No messages container element.\n     */\n    var getEmptyMessageContainer = function(body) {\n        return body.find(SELECTORS.EMPTY_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Get the search loading icon.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Loading icon element.\n     */\n    var getLoadingIconContainer = function(header) {\n        return header.find(SELECTORS.LOADING_ICON_CONTAINER);\n    };\n\n    /**\n     * Get the loading container element.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Loading container element.\n     */\n    var getLoadingPlaceholder = function(body) {\n        return body.find(SELECTORS.LOADING_PLACEHOLDER);\n    };\n\n    /**\n     * Get the search icon container.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Search icon container.\n     */\n    var getSearchIconContainer = function(header) {\n        return header.find(SELECTORS.SEARCH_ICON_CONTAINER);\n    };\n\n    /**\n     * Get the search input container.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Search input container.\n     */\n    var getSearchInput = function(header) {\n        return header.find(SELECTORS.SEARCH_INPUT);\n    };\n\n    /**\n     * Get the search results container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search results container.\n     */\n    var getSearchResultsContainer = function(body) {\n        return body.find(SELECTORS.SEARCH_RESULTS_CONTAINER);\n    };\n\n    /**\n     * Get the search contacts container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search contacts container.\n     */\n    var getContactsContainer = function(body) {\n        return body.find(SELECTORS.CONTACTS_CONTAINER);\n    };\n\n    /**\n     * Get the search non contacts container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search non contacts container.\n     */\n    var getNonContactsContainer = function(body) {\n        return body.find(SELECTORS.NON_CONTACTS_CONTAINER);\n    };\n\n    /**\n     * Get the search messages container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search messages container.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.MESSAGES_CONTAINER);\n    };\n\n\n    /**\n     * Show the messages empty container.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showEmptyMessage = function(body) {\n        getEmptyMessageContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages empty container.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideEmptyMessage = function(body) {\n        getEmptyMessageContainer(body).addClass('hidden');\n    };\n\n\n    /**\n     * Show the loading icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var showLoadingIcon = function(header) {\n        getLoadingIconContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var hideLoadingIcon = function(header) {\n        getLoadingIconContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Show loading placeholder.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showLoadingPlaceholder = function(body) {\n        getLoadingPlaceholder(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide loading placeholder.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideLoadingPlaceholder = function(body) {\n        getLoadingPlaceholder(body).addClass('hidden');\n    };\n\n    /**\n     * Show search icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var showSearchIcon = function(header) {\n        getSearchIconContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide search icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var hideSearchIcon = function(header) {\n        getSearchIconContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Show search results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showSearchResults = function(body) {\n        getSearchResultsContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide search results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideSearchResults = function(body) {\n        getSearchResultsContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Show the no search results message.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showNoSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).addClass('hidden');\n        container.find(SELECTORS.MESSAGES_CONTAINER).addClass('hidden');\n        container.find(SELECTORS.NO_RESULTS_CONTAINTER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the no search results message.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideNoSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).removeClass('hidden');\n        container.find(SELECTORS.MESSAGES_CONTAINER).removeClass('hidden');\n        container.find(SELECTORS.NO_RESULTS_CONTAINTER).addClass('hidden');\n    };\n\n    /**\n     * Show the whole contacts results area.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showAllContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the whole contacts results area.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideAllContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the non contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showNonContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.NON_CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the non contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideNonContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.NON_CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the messages results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showMessagesSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.MESSAGES_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideMessagesSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.MESSAGES_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Disable the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var disableSearchInput = function(header) {\n        getSearchInput(header).prop('disabled', true);\n    };\n\n    /**\n     * Enable the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var enableSearchInput = function(header) {\n        getSearchInput(header).prop('disabled', false);\n    };\n\n    /**\n     * Clear the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var clearSearchInput = function(header) {\n        getSearchInput(header).val('');\n    };\n\n    /**\n     * Clear all search results\n     *\n     * @param {Object} body Search body container element.\n     */\n    var clearAllSearchResults = function(body) {\n        body.find(SELECTORS.CONTACTS_LIST).empty();\n        body.find(SELECTORS.NON_CONTACTS_LIST).empty();\n        body.find(SELECTORS.MESSAGES_LIST).empty();\n        hideNoSearchResults(body);\n        showAllContactsSearchResults(body);\n        showContactsSearchResults(body);\n        showNonContactsSearchResults(body);\n        showMessagesSearchResults(body);\n        showLoadMoreUsersButton(body);\n        showLoadMoreMessagesButton(body);\n    };\n\n    /**\n     * Update the body and header to indicate the search is loading.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var startLoading = function(header, body) {\n        hideSearchIcon(header);\n        hideEmptyMessage(body);\n        hideSearchResults(body);\n        showLoadingIcon(header);\n        showLoadingPlaceholder(body);\n        disableSearchInput(header);\n    };\n\n    /**\n     * Update the body and header to indicate the search has stopped loading.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var stopLoading = function(header, body) {\n        showSearchIcon(header);\n        hideEmptyMessage(body);\n        showSearchResults(body);\n        hideLoadingIcon(header);\n        hideLoadingPlaceholder(body);\n        enableSearchInput(header);\n    };\n\n    /**\n     * Show the more users loading icon.\n     *\n     * @param {Object} root The more users container element.\n     */\n    var showUsersLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_USERS);\n        button.prop('disabled', true);\n        button.find(SELECTORS.BUTTON_TEXT).addClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the more users loading icon.\n     *\n     * @param {Object} root The more users container element.\n     */\n    var hideUsersLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_USERS);\n        button.prop('disabled', false);\n        button.find(SELECTORS.BUTTON_TEXT).removeClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the load more users button.\n     *\n     * @param {Object} root The users container element.\n     */\n    var showLoadMoreUsersButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_USERS).removeClass('hidden');\n    };\n\n    /**\n     * Hide the load more users button.\n     *\n     * @param {Object} root The users container element.\n     */\n    var hideLoadMoreUsersButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_USERS).addClass('hidden');\n    };\n\n    /**\n     * Show the messages are loading icon.\n     *\n     * @param {Object} root Messages root element.\n     */\n    var showMessagesLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_MESSAGES);\n        button.prop('disabled', true);\n        button.find(SELECTORS.BUTTON_TEXT).addClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages are loading icon.\n     *\n     * @param {Object} root Messages root element.\n     */\n    var hideMessagesLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_MESSAGES);\n        button.prop('disabled', false);\n        button.find(SELECTORS.BUTTON_TEXT).removeClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the load more messages button.\n     *\n     * @param  {Object} root The messages container element.\n     */\n    var showLoadMoreMessagesButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_MESSAGES).removeClass('hidden');\n    };\n\n    /**\n     * Hide the load more messages button.\n     *\n     * @param  {Object} root The messages container element.\n     */\n    var hideLoadMoreMessagesButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_MESSAGES).addClass('hidden');\n    };\n\n    /**\n     * Find a contact in the search results.\n     *\n     * @param  {Object} root Search results container element.\n     * @param  {Number} userId User id.\n     * @return {Object} User container element.\n     */\n    var findContact = function(root, userId) {\n        return root.find('[data-contact-user-id=\"' + userId + '\"]');\n    };\n\n    /**\n     * Add a contact to the search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} contact User in contacts list.\n     */\n    var addContact = function(root, contact) {\n        var nonContactsContainer = getNonContactsContainer(root);\n        var nonContact = findContact(nonContactsContainer, contact.userid);\n\n        if (nonContact.length) {\n            nonContact.remove();\n            var contactsContainer = getContactsContainer(root);\n            contactsContainer.removeClass('hidden');\n            contactsContainer.find(SELECTORS.LIST).append(nonContact);\n        }\n\n        if (!nonContactsContainer.find(SELECTORS.LIST).children().length) {\n            nonContactsContainer.addClass('hidden');\n        }\n    };\n\n    /**\n     * Remove a contact from the contacts results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var removeContact = function(root, userId) {\n        var contactsContainer = getContactsContainer(root);\n        var contact = findContact(contactsContainer, userId);\n\n        if (contact.length) {\n            contact.remove();\n            var nonContactsContainer = getNonContactsContainer(root);\n            nonContactsContainer.removeClass('hidden');\n            nonContactsContainer.find(SELECTORS.LIST).append(contact);\n        }\n\n        if (!contactsContainer.find(SELECTORS.LIST).children().length) {\n            contactsContainer.addClass('hidden');\n        }\n    };\n\n    /**\n     * Show the contact is blocked icon.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var blockContact = function(root, userId) {\n        var contact = findContact(root, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).removeClass('hidden');\n        }\n    };\n\n    /**\n     * Hide the contact is blocked icon.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var unblockContact = function(root, userId) {\n        var contact = findContact(root, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).addClass('hidden');\n        }\n    };\n\n    /**\n     * Highlight words in search results.\n     *\n     * @param  {String} content HTML to search.\n     * @param  {String} searchText Search text.\n     * @return {String} searchText with search wrapped in matchtext span.\n     */\n    var highlightSearch = function(content, searchText) {\n        if (!content) {\n            return '';\n        }\n        var regex = new RegExp('(' + searchText + ')', 'gi');\n        return content.replace(regex, '<span class=\"matchtext\">$1</span>');\n    };\n\n\n    /**\n     * Render contacts in the contacts search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} contacts List of contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var renderContacts = function(root, contacts) {\n        var container = getContactsContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.CONTACTS_LIST, {contacts: contacts, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Render non contacts in the contacts search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} nonContacts List of non contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var renderNonContacts = function(root, nonContacts) {\n        var container = getNonContactsContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.NON_CONTACTS_LIST, {noncontacts: nonContacts, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Render messages in the messages search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} messages List of messages.\n     * @return {Promise} Renderer promise.\n     */\n    var renderMessages = function(root, messages) {\n        var container = getMessagesContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.MESSAGES_LIST, {messages: messages, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Load more users from the repository and render the results into the users search results.\n     *\n     * @param  {Object} root Search results container.\n     * @param  {Number} loggedInUserId Current logged in user.\n     * @param  {String} text Search text.\n     * @param  {Number} limit Number of users to get.\n     * @param  {Number} offset Load users from\n     * @return {Object} jQuery promise\n     */\n    var loadMoreUsers = function(root, loggedInUserId, text, limit, offset) {\n        var loadedAll = false;\n        showUsersLoadingIcon(root);\n\n        return Repository.searchUsers(loggedInUserId, text, limit + 1, offset)\n            .then(function(results) {\n                var contacts = results.contacts;\n                var noncontacts = results.noncontacts;\n\n                if (contacts.length <= limit && noncontacts.length <= limit) {\n                    loadedAll = true;\n                    return {\n                        contacts: contacts,\n                        noncontacts: noncontacts\n                    };\n                } else {\n                    return {\n                        contacts: contacts.slice(0, limit),\n                        noncontacts: noncontacts.slice(0, limit)\n                    };\n                }\n            })\n            .then(function(results) {\n                var contactsCount = results.contacts.length;\n                var nonContactsCount = results.noncontacts.length;\n\n                if (contactsCount) {\n                    results.contacts.forEach(function(contact) {\n                        contact.highlight = highlightSearch(contact.fullname, text);\n                    });\n                }\n\n                if (nonContactsCount) {\n                    results.noncontacts.forEach(function(contact) {\n                        contact.highlight = highlightSearch(contact.fullname, text);\n                    });\n                }\n\n                return $.when(\n                    contactsCount ? renderContacts(root, results.contacts) : true,\n                    nonContactsCount ? renderNonContacts(root, results.noncontacts) : true\n                )\n                .then(function() {\n                    return {\n                        contactsCount: contactsCount,\n                        nonContactsCount: nonContactsCount\n                    };\n                });\n            })\n            .then(function(counts) {\n                hideUsersLoadingIcon(root);\n\n                if (loadedAll) {\n                    hideLoadMoreUsersButton(root);\n                }\n\n                return counts;\n            })\n            .catch(function(error) {\n                hideUsersLoadingIcon(root);\n                // Rethrow error for other handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Load more messages from the repository and render the results into the messages search results.\n     *\n     * @param  {Object} root Search results container.\n     * @param  {Number} loggedInUserId Current logged in user.\n     * @param  {String} text Search text.\n     * @param  {Number} limit Number of messages to get.\n     * @param  {Number} offset Load messages from\n     * @return {Object} jQuery promise\n     */\n    var loadMoreMessages = function(root, loggedInUserId, text, limit, offset) {\n        var loadedAll = false;\n        showMessagesLoadingIcon(root);\n\n        return Repository.searchMessages(loggedInUserId, text, limit + 1, offset)\n            .then(function(results) {\n                var messages = results.contacts;\n\n                if (messages.length <= limit) {\n                    loadedAll = true;\n                    return messages;\n                } else {\n                    return messages.slice(0, limit);\n                }\n            })\n            .then(function(messages) {\n                if (messages.length) {\n                    messages.forEach(function(message) {\n                        message.lastmessage = highlightSearch(message.lastmessage, text);\n                    });\n                    return renderMessages(root, messages)\n                        .then(function() {\n                            return messages.length;\n                        });\n                } else {\n                    return messages.length;\n                }\n            })\n            .then(function(count) {\n                hideMessagesLoadingIcon(root);\n\n                if (loadedAll) {\n                    hideLoadMoreMessagesButton(root);\n                }\n\n                return count;\n            })\n            .catch(function(error) {\n                hideMessagesLoadingIcon(root);\n                // Rethrow error for other handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Search for users and messages.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     * @param {String} searchText Search text.\n     * @param {Number} usersLimit The users limit.\n     * @param {Number} usersOffset The users offset.\n     * @param {Number} messagesLimit The message limit.\n     * @param {Number} messagesOffset The message offset.\n     * @return {Object} jQuery promise\n     */\n    var search = function(header, body, searchText, usersLimit, usersOffset, messagesLimit, messagesOffset) {\n        var loggedInUserId = getLoggedInUserId(body);\n        startLoading(header, body);\n        clearAllSearchResults(body);\n\n        return $.when(\n            loadMoreUsers(body, loggedInUserId, searchText, usersLimit, usersOffset),\n            loadMoreMessages(body, loggedInUserId, searchText, messagesLimit, messagesOffset)\n        )\n        .then(function(userCounts, messagesCount) {\n            var contactsCount = userCounts.contactsCount;\n            var nonContactsCount = userCounts.nonContactsCount;\n\n            stopLoading(header, body);\n\n            if (!contactsCount && !nonContactsCount && !messagesCount) {\n                showNoSearchResults(body);\n            } else {\n                if (!contactsCount && !nonContactsCount) {\n                    hideAllContactsSearchResults(body);\n                } else {\n                    if (!contactsCount) {\n                        hideContactsSearchResults(body);\n                    }\n\n                    if (!nonContactsCount) {\n                        hideNonContactsSearchResults(body);\n                    }\n                }\n\n                if (!messagesCount) {\n                    hideMessagesSearchResults(body);\n                }\n            }\n\n            return;\n        });\n    };\n\n\n    /**\n     * Listen to and handle events for searching.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var registerEventListeners = function(header, body) {\n        var loggedInUserId = getLoggedInUserId(body);\n        var searchInput = getSearchInput(header);\n        var searchText = '';\n        var messagesOffset = 0;\n        var usersOffset = 0;\n\n        var searchEventHandler = function(e, data) {\n            searchText = searchInput.val().trim();\n\n            if (searchText !== '') {\n                messagesOffset = 0;\n                usersOffset = 0;\n                search(\n                    header,\n                    body,\n                    searchText,\n                    USERS_INITIAL_SEARCH_LIMIT,\n                    usersOffset,\n                    MESSAGE_SEARCH_LIMIT,\n                    messagesOffset\n                )\n                .then(function() {\n                    searchInput.focus();\n                    usersOffset = usersOffset + USERS_INITIAL_SEARCH_LIMIT;\n                    messagesOffset = messagesOffset + MESSAGE_SEARCH_LIMIT;\n                    return;\n                })\n                .catch(Notification.exception);\n            }\n\n            data.originalEvent.preventDefault();\n        };\n\n        CustomEvents.define(searchInput, [CustomEvents.events.enter]);\n        CustomEvents.define(header, [CustomEvents.events.activate]);\n        CustomEvents.define(body, [CustomEvents.events.activate]);\n\n        searchInput.on(CustomEvents.events.enter, searchEventHandler);\n\n        header.on(CustomEvents.events.activate, SELECTORS.SEARCH_ACTION, searchEventHandler);\n\n        body.on(CustomEvents.events.activate, SELECTORS.LOAD_MORE_MESSAGES, function(e, data) {\n            if (searchText !== '') {\n                loadMoreMessages(body, loggedInUserId, searchText, MESSAGE_SEARCH_LIMIT, messagesOffset)\n                    .then(function() {\n                        messagesOffset = messagesOffset + MESSAGE_SEARCH_LIMIT;\n                        return;\n                    })\n                    .catch(Notification.exception);\n            }\n            data.originalEvent.preventDefault();\n        });\n\n        body.on(CustomEvents.events.activate, SELECTORS.LOAD_MORE_USERS, function(e, data) {\n            if (searchText !== '') {\n                loadMoreUsers(body, loggedInUserId, searchText, USERS_SEARCH_LIMIT, usersOffset)\n                    .then(function() {\n                        usersOffset = usersOffset + USERS_SEARCH_LIMIT;\n                        return;\n                    })\n                    .catch(Notification.exception);\n            }\n            data.originalEvent.preventDefault();\n        });\n\n        header.on(CustomEvents.events.activate, SELECTORS.CANCEL_SEARCH_BUTTON, function() {\n            clearSearchInput(header);\n            showEmptyMessage(body);\n            showSearchIcon(header);\n            hideSearchResults(body);\n            hideLoadingIcon(header);\n            hideLoadingPlaceholder(body);\n            usersOffset = 0;\n            messagesOffset = 0;\n        });\n\n        PubSub.subscribe(Events.CONTACT_ADDED, function(userId) {\n            addContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_REMOVED, function(userId) {\n            removeContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_BLOCKED, function(userId) {\n            blockContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_UNBLOCKED, function(userId) {\n            unblockContact(body, userId);\n        });\n    };\n\n    /**\n     * Setup the search page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @param {Object} body Contacts body container element.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body) {\n        if (!body.attr('data-init')) {\n            registerEventListeners(header, body);\n            body.attr('data-init', true);\n        }\n        var searchInput = getSearchInput(header);\n        searchInput.focus();\n\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @return {Object} jQuery promise\n     */\n    var description = function(namespace, header) {\n        if (typeof header !== 'object') {\n            return Str.get_string('messagedrawerviewsearch', 'core_message');\n        }\n        var searchInput = getSearchInput(header);\n        var searchText = searchInput.val().trim();\n        return Str.get_string('messagedrawerviewsearch', 'core_message', searchText);\n    };\n\n    return {\n        show: show,\n        description: description\n    };\n});\n"],"file":"message_drawer_view_search.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_search.min.js","sources":["../src/message_drawer_view_search.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the search page of the message drawer.\n *\n * @module     core_message/message_drawer_view_search\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/notification',\n    'core/pubsub',\n    'core/str',\n    'core/templates',\n    'core_message/message_repository',\n    'core_message/message_drawer_events',\n],\nfunction(\n    $,\n    CustomEvents,\n    Notification,\n    PubSub,\n    Str,\n    Templates,\n    Repository,\n    Events\n) {\n\n    var MESSAGE_SEARCH_LIMIT = 50;\n    var USERS_SEARCH_LIMIT = 50;\n    var USERS_INITIAL_SEARCH_LIMIT = 3;\n\n    var SELECTORS = {\n        BLOCK_ICON_CONTAINER: '[data-region=\"block-icon-container\"]',\n        CANCEL_SEARCH_BUTTON: '[data-action=\"cancel-search\"]',\n        CONTACTS_CONTAINER: '[data-region=\"contacts-container\"]',\n        CONTACTS_LIST: '[data-region=\"contacts-container\"] [data-region=\"list\"]',\n        EMPTY_MESSAGE_CONTAINER: '[data-region=\"empty-message-container\"]',\n        LIST: '[data-region=\"list\"]',\n        LOADING_ICON_CONTAINER: '[data-region=\"loading-icon-container\"]',\n        LOADING_PLACEHOLDER: '[data-region=\"loading-placeholder\"]',\n        MESSAGES_LIST: '[data-region=\"messages-container\"] [data-region=\"list\"]',\n        MESSAGES_CONTAINER: '[data-region=\"messages-container\"]',\n        NON_CONTACTS_CONTAINER: '[data-region=\"non-contacts-container\"]',\n        NON_CONTACTS_LIST: '[data-region=\"non-contacts-container\"] [data-region=\"list\"]',\n        SEARCH_ICON_CONTAINER: '[data-region=\"search-icon-container\"]',\n        SEARCH_ACTION: '[data-action=\"search\"]',\n        SEARCH_INPUT: '[data-region=\"search-input\"]',\n        SEARCH_RESULTS_CONTAINER: '[data-region=\"search-results-container\"]',\n        LOAD_MORE_USERS: '[data-action=\"load-more-users\"]',\n        LOAD_MORE_MESSAGES: '[data-action=\"load-more-messages\"]',\n        BUTTON_TEXT: '[data-region=\"button-text\"]',\n        NO_RESULTS_CONTAINTER: '[data-region=\"no-results-container\"]',\n        ALL_CONTACTS_CONTAINER: '[data-region=\"all-contacts-container\"]'\n    };\n\n    var TEMPLATES = {\n        CONTACTS_LIST: 'core_message/message_drawer_contacts_list',\n        NON_CONTACTS_LIST: 'core_message/message_drawer_non_contacts_list',\n        MESSAGES_LIST: 'core_message/message_drawer_messages_list'\n    };\n\n    /**\n     * Get the logged in user id.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Number} User id.\n     */\n    var getLoggedInUserId = function(body) {\n        return body.attr('data-user-id');\n    };\n\n    /**\n     * Show the no messages container element.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} No messages container element.\n     */\n    var getEmptyMessageContainer = function(body) {\n        return body.find(SELECTORS.EMPTY_MESSAGE_CONTAINER);\n    };\n\n    /**\n     * Get the search loading icon.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Loading icon element.\n     */\n    var getLoadingIconContainer = function(header) {\n        return header.find(SELECTORS.LOADING_ICON_CONTAINER);\n    };\n\n    /**\n     * Get the loading container element.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Loading container element.\n     */\n    var getLoadingPlaceholder = function(body) {\n        return body.find(SELECTORS.LOADING_PLACEHOLDER);\n    };\n\n    /**\n     * Get the search icon container.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Search icon container.\n     */\n    var getSearchIconContainer = function(header) {\n        return header.find(SELECTORS.SEARCH_ICON_CONTAINER);\n    };\n\n    /**\n     * Get the search input container.\n     *\n     * @param  {Object} header Search header container element.\n     * @return {Object} Search input container.\n     */\n    var getSearchInput = function(header) {\n        return header.find(SELECTORS.SEARCH_INPUT);\n    };\n\n    /**\n     * Get the search results container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search results container.\n     */\n    var getSearchResultsContainer = function(body) {\n        return body.find(SELECTORS.SEARCH_RESULTS_CONTAINER);\n    };\n\n    /**\n     * Get the search contacts container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search contacts container.\n     */\n    var getContactsContainer = function(body) {\n        return body.find(SELECTORS.CONTACTS_CONTAINER);\n    };\n\n    /**\n     * Get the search non contacts container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search non contacts container.\n     */\n    var getNonContactsContainer = function(body) {\n        return body.find(SELECTORS.NON_CONTACTS_CONTAINER);\n    };\n\n    /**\n     * Get the search messages container.\n     *\n     * @param  {Object} body Search body container element.\n     * @return {Object} Search messages container.\n     */\n    var getMessagesContainer = function(body) {\n        return body.find(SELECTORS.MESSAGES_CONTAINER);\n    };\n\n\n    /**\n     * Show the messages empty container.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showEmptyMessage = function(body) {\n        getEmptyMessageContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages empty container.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideEmptyMessage = function(body) {\n        getEmptyMessageContainer(body).addClass('hidden');\n    };\n\n\n    /**\n     * Show the loading icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var showLoadingIcon = function(header) {\n        getLoadingIconContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var hideLoadingIcon = function(header) {\n        getLoadingIconContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Show loading placeholder.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showLoadingPlaceholder = function(body) {\n        getLoadingPlaceholder(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide loading placeholder.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideLoadingPlaceholder = function(body) {\n        getLoadingPlaceholder(body).addClass('hidden');\n    };\n\n    /**\n     * Show search icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var showSearchIcon = function(header) {\n        getSearchIconContainer(header).removeClass('hidden');\n    };\n\n    /**\n     * Hide search icon.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var hideSearchIcon = function(header) {\n        getSearchIconContainer(header).addClass('hidden');\n    };\n\n    /**\n     * Show search results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showSearchResults = function(body) {\n        getSearchResultsContainer(body).removeClass('hidden');\n    };\n\n    /**\n     * Hide search results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideSearchResults = function(body) {\n        getSearchResultsContainer(body).addClass('hidden');\n    };\n\n    /**\n     * Show the no search results message.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showNoSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).addClass('hidden');\n        container.find(SELECTORS.MESSAGES_CONTAINER).addClass('hidden');\n        container.find(SELECTORS.NO_RESULTS_CONTAINTER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the no search results message.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideNoSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).removeClass('hidden');\n        container.find(SELECTORS.MESSAGES_CONTAINER).removeClass('hidden');\n        container.find(SELECTORS.NO_RESULTS_CONTAINTER).addClass('hidden');\n    };\n\n    /**\n     * Show the whole contacts results area.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showAllContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the whole contacts results area.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideAllContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.ALL_CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the non contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showNonContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.NON_CONTACTS_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the non contacts results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideNonContactsSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.NON_CONTACTS_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the messages results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var showMessagesSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.MESSAGES_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages results.\n     *\n     * @param {Object} body Search body container element.\n     */\n    var hideMessagesSearchResults = function(body) {\n        var container = getSearchResultsContainer(body);\n        container.find(SELECTORS.MESSAGES_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Disable the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var disableSearchInput = function(header) {\n        getSearchInput(header).prop('disabled', true);\n    };\n\n    /**\n     * Enable the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var enableSearchInput = function(header) {\n        getSearchInput(header).prop('disabled', false);\n    };\n\n    /**\n     * Clear the search input.\n     *\n     * @param {Object} header Search header container element.\n     */\n    var clearSearchInput = function(header) {\n        getSearchInput(header).val('');\n    };\n\n    /**\n     * Clear all search results\n     *\n     * @param {Object} body Search body container element.\n     */\n    var clearAllSearchResults = function(body) {\n        body.find(SELECTORS.CONTACTS_LIST).empty();\n        body.find(SELECTORS.NON_CONTACTS_LIST).empty();\n        body.find(SELECTORS.MESSAGES_LIST).empty();\n        hideNoSearchResults(body);\n        showAllContactsSearchResults(body);\n        showContactsSearchResults(body);\n        showNonContactsSearchResults(body);\n        showMessagesSearchResults(body);\n        showLoadMoreUsersButton(body);\n        showLoadMoreMessagesButton(body);\n    };\n\n    /**\n     * Update the body and header to indicate the search is loading.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var startLoading = function(header, body) {\n        hideSearchIcon(header);\n        hideEmptyMessage(body);\n        hideSearchResults(body);\n        showLoadingIcon(header);\n        showLoadingPlaceholder(body);\n        disableSearchInput(header);\n    };\n\n    /**\n     * Update the body and header to indicate the search has stopped loading.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var stopLoading = function(header, body) {\n        showSearchIcon(header);\n        hideEmptyMessage(body);\n        showSearchResults(body);\n        hideLoadingIcon(header);\n        hideLoadingPlaceholder(body);\n        enableSearchInput(header);\n    };\n\n    /**\n     * Show the more users loading icon.\n     *\n     * @param {Object} root The more users container element.\n     */\n    var showUsersLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_USERS);\n        button.prop('disabled', true);\n        button.find(SELECTORS.BUTTON_TEXT).addClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the more users loading icon.\n     *\n     * @param {Object} root The more users container element.\n     */\n    var hideUsersLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_USERS);\n        button.prop('disabled', false);\n        button.find(SELECTORS.BUTTON_TEXT).removeClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the load more users button.\n     *\n     * @param {Object} root The users container element.\n     */\n    var showLoadMoreUsersButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_USERS).removeClass('hidden');\n    };\n\n    /**\n     * Hide the load more users button.\n     *\n     * @param {Object} root The users container element.\n     */\n    var hideLoadMoreUsersButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_USERS).addClass('hidden');\n    };\n\n    /**\n     * Show the messages are loading icon.\n     *\n     * @param {Object} root Messages root element.\n     */\n    var showMessagesLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_MESSAGES);\n        button.prop('disabled', true);\n        button.find(SELECTORS.BUTTON_TEXT).addClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the messages are loading icon.\n     *\n     * @param {Object} root Messages root element.\n     */\n    var hideMessagesLoadingIcon = function(root) {\n        var button = root.find(SELECTORS.LOAD_MORE_MESSAGES);\n        button.prop('disabled', false);\n        button.find(SELECTORS.BUTTON_TEXT).removeClass('hidden');\n        button.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Show the load more messages button.\n     *\n     * @param  {Object} root The messages container element.\n     */\n    var showLoadMoreMessagesButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_MESSAGES).removeClass('hidden');\n    };\n\n    /**\n     * Hide the load more messages button.\n     *\n     * @param  {Object} root The messages container element.\n     */\n    var hideLoadMoreMessagesButton = function(root) {\n        root.find(SELECTORS.LOAD_MORE_MESSAGES).addClass('hidden');\n    };\n\n    /**\n     * Find a contact in the search results.\n     *\n     * @param  {Object} root Search results container element.\n     * @param  {Number} userId User id.\n     * @return {Object} User container element.\n     */\n    var findContact = function(root, userId) {\n        return root.find('[data-contact-user-id=\"' + userId + '\"]');\n    };\n\n    /**\n     * Add a contact to the search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} contact User in contacts list.\n     */\n    var addContact = function(root, contact) {\n        var nonContactsContainer = getNonContactsContainer(root);\n        var nonContact = findContact(nonContactsContainer, contact.userid);\n\n        if (nonContact.length) {\n            nonContact.remove();\n            var contactsContainer = getContactsContainer(root);\n            contactsContainer.removeClass('hidden');\n            contactsContainer.find(SELECTORS.LIST).append(nonContact);\n        }\n\n        if (!nonContactsContainer.find(SELECTORS.LIST).children().length) {\n            nonContactsContainer.addClass('hidden');\n        }\n    };\n\n    /**\n     * Remove a contact from the contacts results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var removeContact = function(root, userId) {\n        var contactsContainer = getContactsContainer(root);\n        var contact = findContact(contactsContainer, userId);\n\n        if (contact.length) {\n            contact.remove();\n            var nonContactsContainer = getNonContactsContainer(root);\n            nonContactsContainer.removeClass('hidden');\n            nonContactsContainer.find(SELECTORS.LIST).append(contact);\n        }\n\n        if (!contactsContainer.find(SELECTORS.LIST).children().length) {\n            contactsContainer.addClass('hidden');\n        }\n    };\n\n    /**\n     * Show the contact is blocked icon.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var blockContact = function(root, userId) {\n        var contact = findContact(root, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).removeClass('hidden');\n        }\n    };\n\n    /**\n     * Hide the contact is blocked icon.\n     *\n     * @param {Object} root Search results container.\n     * @param {Object} userId Contact user id.\n     */\n    var unblockContact = function(root, userId) {\n        var contact = findContact(root, userId);\n        if (contact.length) {\n            contact.find(SELECTORS.BLOCK_ICON_CONTAINER).addClass('hidden');\n        }\n    };\n\n    /**\n     * Highlight words in search results.\n     *\n     * @param  {String} content HTML to search.\n     * @param  {String} searchText Search text.\n     * @return {String} searchText with search wrapped in matchtext span.\n     */\n    var highlightSearch = function(content, searchText) {\n        if (!content) {\n            return '';\n        }\n        var regex = new RegExp('(' + searchText + ')', 'gi');\n        return content.replace(regex, '<span class=\"matchtext\">$1</span>');\n    };\n\n\n    /**\n     * Render contacts in the contacts search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} contacts List of contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var renderContacts = function(root, contacts) {\n        var container = getContactsContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.CONTACTS_LIST, {contacts: contacts, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Render non contacts in the contacts search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} nonContacts List of non contacts.\n     * @return {Promise} Renderer promise.\n     */\n    var renderNonContacts = function(root, nonContacts) {\n        var container = getNonContactsContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.NON_CONTACTS_LIST, {noncontacts: nonContacts, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Render messages in the messages search results.\n     *\n     * @param {Object} root Search results container.\n     * @param {Array} messages List of messages.\n     * @return {Promise} Renderer promise.\n     */\n    var renderMessages = function(root, messages) {\n        var container = getMessagesContainer(root);\n        var frompanel = root.attr('data-in-panel');\n        var list = container.find(SELECTORS.LIST);\n\n        return Templates.render(TEMPLATES.MESSAGES_LIST, {messages: messages, frompanel: frompanel})\n            .then(function(html) {\n                list.append(html);\n                return html;\n            });\n    };\n\n    /**\n     * Load more users from the repository and render the results into the users search results.\n     *\n     * @param  {Object} root Search results container.\n     * @param  {Number} loggedInUserId Current logged in user.\n     * @param  {String} text Search text.\n     * @param  {Number} limit Number of users to get.\n     * @param  {Number} offset Load users from\n     * @return {Object} jQuery promise\n     */\n    var loadMoreUsers = function(root, loggedInUserId, text, limit, offset) {\n        var loadedAll = false;\n        showUsersLoadingIcon(root);\n\n        return Repository.searchUsers(loggedInUserId, text, limit + 1, offset)\n            .then(function(results) {\n                var contacts = results.contacts;\n                var noncontacts = results.noncontacts;\n\n                if (contacts.length <= limit && noncontacts.length <= limit) {\n                    loadedAll = true;\n                    return {\n                        contacts: contacts,\n                        noncontacts: noncontacts\n                    };\n                } else {\n                    return {\n                        contacts: contacts.slice(0, limit),\n                        noncontacts: noncontacts.slice(0, limit)\n                    };\n                }\n            })\n            .then(function(results) {\n                var contactsCount = results.contacts.length;\n                var nonContactsCount = results.noncontacts.length;\n\n                if (contactsCount) {\n                    results.contacts.forEach(function(contact) {\n                        contact.highlight = highlightSearch(contact.fullname, text);\n                    });\n                }\n\n                if (nonContactsCount) {\n                    results.noncontacts.forEach(function(contact) {\n                        contact.highlight = highlightSearch(contact.fullname, text);\n                    });\n                }\n\n                return $.when(\n                    contactsCount ? renderContacts(root, results.contacts) : true,\n                    nonContactsCount ? renderNonContacts(root, results.noncontacts) : true\n                )\n                .then(function() {\n                    return {\n                        contactsCount: contactsCount,\n                        nonContactsCount: nonContactsCount\n                    };\n                });\n            })\n            .then(function(counts) {\n                hideUsersLoadingIcon(root);\n\n                if (loadedAll) {\n                    hideLoadMoreUsersButton(root);\n                }\n\n                return counts;\n            })\n            .catch(function(error) {\n                hideUsersLoadingIcon(root);\n                // Rethrow error for other handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Load more messages from the repository and render the results into the messages search results.\n     *\n     * @param  {Object} root Search results container.\n     * @param  {Number} loggedInUserId Current logged in user.\n     * @param  {String} text Search text.\n     * @param  {Number} limit Number of messages to get.\n     * @param  {Number} offset Load messages from\n     * @return {Object} jQuery promise\n     */\n    var loadMoreMessages = function(root, loggedInUserId, text, limit, offset) {\n        var loadedAll = false;\n        showMessagesLoadingIcon(root);\n\n        return Repository.searchMessages(loggedInUserId, text, limit + 1, offset)\n            .then(function(results) {\n                var messages = results.contacts;\n\n                if (messages.length <= limit) {\n                    loadedAll = true;\n                    return messages;\n                } else {\n                    return messages.slice(0, limit);\n                }\n            })\n            .then(function(messages) {\n                if (messages.length) {\n                    messages.forEach(function(message) {\n                        message.lastmessage = highlightSearch(message.lastmessage, text);\n                    });\n                    return renderMessages(root, messages)\n                        .then(function() {\n                            return messages.length;\n                        });\n                } else {\n                    return messages.length;\n                }\n            })\n            .then(function(count) {\n                hideMessagesLoadingIcon(root);\n\n                if (loadedAll) {\n                    hideLoadMoreMessagesButton(root);\n                }\n\n                return count;\n            })\n            .catch(function(error) {\n                hideMessagesLoadingIcon(root);\n                // Rethrow error for other handlers.\n                throw error;\n            });\n    };\n\n    /**\n     * Search for users and messages.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     * @param {String} searchText Search text.\n     * @param {Number} usersLimit The users limit.\n     * @param {Number} usersOffset The users offset.\n     * @param {Number} messagesLimit The message limit.\n     * @param {Number} messagesOffset The message offset.\n     * @return {Object} jQuery promise\n     */\n    var search = function(header, body, searchText, usersLimit, usersOffset, messagesLimit, messagesOffset) {\n        var loggedInUserId = getLoggedInUserId(body);\n        startLoading(header, body);\n        clearAllSearchResults(body);\n\n        return $.when(\n            loadMoreUsers(body, loggedInUserId, searchText, usersLimit, usersOffset),\n            loadMoreMessages(body, loggedInUserId, searchText, messagesLimit, messagesOffset)\n        )\n        .then(function(userCounts, messagesCount) {\n            var contactsCount = userCounts.contactsCount;\n            var nonContactsCount = userCounts.nonContactsCount;\n\n            stopLoading(header, body);\n\n            if (!contactsCount && !nonContactsCount && !messagesCount) {\n                showNoSearchResults(body);\n            } else {\n                if (!contactsCount && !nonContactsCount) {\n                    hideAllContactsSearchResults(body);\n                } else {\n                    if (!contactsCount) {\n                        hideContactsSearchResults(body);\n                    }\n\n                    if (!nonContactsCount) {\n                        hideNonContactsSearchResults(body);\n                    }\n                }\n\n                if (!messagesCount) {\n                    hideMessagesSearchResults(body);\n                }\n            }\n\n            return;\n        });\n    };\n\n\n    /**\n     * Listen to and handle events for searching.\n     *\n     * @param {Object} header Search header container element.\n     * @param {Object} body Search body container element.\n     */\n    var registerEventListeners = function(header, body) {\n        var loggedInUserId = getLoggedInUserId(body);\n        var searchInput = getSearchInput(header);\n        var searchText = '';\n        var messagesOffset = 0;\n        var usersOffset = 0;\n\n        var searchEventHandler = function(e, data) {\n            searchText = searchInput.val().trim();\n\n            if (searchText !== '') {\n                messagesOffset = 0;\n                usersOffset = 0;\n                search(\n                    header,\n                    body,\n                    searchText,\n                    USERS_INITIAL_SEARCH_LIMIT,\n                    usersOffset,\n                    MESSAGE_SEARCH_LIMIT,\n                    messagesOffset\n                )\n                .then(function() {\n                    searchInput.focus();\n                    usersOffset = usersOffset + USERS_INITIAL_SEARCH_LIMIT;\n                    messagesOffset = messagesOffset + MESSAGE_SEARCH_LIMIT;\n                    return;\n                })\n                .catch(Notification.exception);\n            }\n\n            data.originalEvent.preventDefault();\n        };\n\n        CustomEvents.define(searchInput, [CustomEvents.events.enter]);\n        CustomEvents.define(header, [CustomEvents.events.activate]);\n        CustomEvents.define(body, [CustomEvents.events.activate]);\n\n        searchInput.on(CustomEvents.events.enter, searchEventHandler);\n\n        header.on(CustomEvents.events.activate, SELECTORS.SEARCH_ACTION, searchEventHandler);\n\n        body.on(CustomEvents.events.activate, SELECTORS.LOAD_MORE_MESSAGES, function(e, data) {\n            if (searchText !== '') {\n                loadMoreMessages(body, loggedInUserId, searchText, MESSAGE_SEARCH_LIMIT, messagesOffset)\n                    .then(function() {\n                        messagesOffset = messagesOffset + MESSAGE_SEARCH_LIMIT;\n                        return;\n                    })\n                    .catch(Notification.exception);\n            }\n            data.originalEvent.preventDefault();\n        });\n\n        body.on(CustomEvents.events.activate, SELECTORS.LOAD_MORE_USERS, function(e, data) {\n            if (searchText !== '') {\n                loadMoreUsers(body, loggedInUserId, searchText, USERS_SEARCH_LIMIT, usersOffset)\n                    .then(function() {\n                        usersOffset = usersOffset + USERS_SEARCH_LIMIT;\n                        return;\n                    })\n                    .catch(Notification.exception);\n            }\n            data.originalEvent.preventDefault();\n        });\n\n        header.on(CustomEvents.events.activate, SELECTORS.CANCEL_SEARCH_BUTTON, function() {\n            clearSearchInput(header);\n            showEmptyMessage(body);\n            showSearchIcon(header);\n            hideSearchResults(body);\n            hideLoadingIcon(header);\n            hideLoadingPlaceholder(body);\n            usersOffset = 0;\n            messagesOffset = 0;\n        });\n\n        PubSub.subscribe(Events.CONTACT_ADDED, function(userId) {\n            addContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_REMOVED, function(userId) {\n            removeContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_BLOCKED, function(userId) {\n            blockContact(body, userId);\n        });\n\n        PubSub.subscribe(Events.CONTACT_UNBLOCKED, function(userId) {\n            unblockContact(body, userId);\n        });\n    };\n\n    /**\n     * Setup the search page.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @param {Object} body Contacts body container element.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body) {\n        if (!body.attr('data-init')) {\n            registerEventListeners(header, body);\n            body.attr('data-init', true);\n        }\n        var searchInput = getSearchInput(header);\n        searchInput.focus();\n\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header Contacts header container element.\n     * @return {Object} jQuery promise\n     */\n    var description = function(namespace, header) {\n        if (typeof header !== 'object') {\n            return Str.get_string('messagedrawerviewsearch', 'core_message');\n        }\n        var searchInput = getSearchInput(header);\n        var searchText = searchInput.val().trim();\n        return Str.get_string('messagedrawerviewsearch', 'core_message', searchText);\n    };\n\n    return {\n        show: show,\n        description: description\n    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\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_settings.min.js b/message/amd/build/message_drawer_view_settings.min.js
index 21e25770e5b..16687d05b91 100644
--- a/message/amd/build/message_drawer_view_settings.min.js
+++ b/message/amd/build/message_drawer_view_settings.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_drawer_view_settings",["jquery","core/notification","core/str","core/pubsub","core/templates","core_message/message_repository","core/custom_interaction_events","core_message/message_drawer_events"],function(a,b,c,d,e,f,g,h){var i={CHECKBOX:"input[type=\"checkbox\"]",SETTINGS:"[data-region=\"settings\"]",PRIVACY_PREFERENCE:"[data-preference=\"blocknoncontacts\"] input[type=\"radio\"]",NOTIFICATIONS_PREFERENCE:"[data-preference=\"notifications\"] input[type=\"checkbox\"]",ENTER_TO_SEND_PREFERENCE:"[data-preference=\"entertosend\"] input[type=\"checkbox\"]",NOTIFICATION_PREFERENCES_CONTAINER:"[data-region=\"notification-preference-container\"]",CONTENT_CONTAINER:"[data-region=\"content-container\"]",PLACEHOLDER_CONTAINER:"[data-region=\"placeholder-container\"]"},j={NOTIFICATION_PREFERENCES:"core_message/message_drawer_view_settings_body_content_notification_preferences"},k=function(b,c){var d=b.find(i.PRIVACY_PREFERENCE);d.each(function(b,d){d=a(d);if(d.val()==c){d.prop("checked",!0)}else{d.prop("checked",!1)}})},l=function(a,b){var c=a.find(i.ENTER_TO_SEND_PREFERENCE);if(b){c.prop("checked",!0)}else{c.prop("checked",!1)}},m=function(a,c){return f.savePreferences(a,c).then(function(){d.publish(h.PREFERENCES_UPDATED,c)}).catch(b.exception)},n=function(b,c){var d=b.find(i.SETTINGS);g.define(d,[g.events.activate]);d.on(g.events.activate,i.NOTIFICATIONS_PREFERENCE,function(b){var d=a(b.target).closest(i.NOTIFICATION_PREFERENCES_CONTAINER),e=d.find(i.CHECKBOX);if(!e.length){return}var f=e.toArray().reduce(function(b,c){c=a(c);if(c.prop("checked")){b.push(c.attr("data-name"))}return b},[]),g=f.length?f.join(","):"none";m(c,[{type:"message_provider_moodle_instantmessage_loggedoff",value:g},{type:"message_provider_moodle_instantmessage_loggedin",value:g}])});d.on("change",i.PRIVACY_PREFERENCE,function(b){var d=a(b.target).val();m(c,[{type:"message_blocknoncontacts",value:d}])});d.on(g.events.activate,i.ENTER_TO_SEND_PREFERENCE,function(b){var d=a(b.target).prop("checked");m(c,[{type:"message_entertosend",value:d}])})},o=function(a,c){f.getUserMessagePreferences(c).then(function(b){k(a,b.blocknoncontacts);l(a,b.entertosend);var c=[];if(b.preferences.components.length){b.preferences.components.forEach(function(a){if(a.notifications.length){var b=a.notifications.filter(function(a){return a.preferencekey=="message_provider_moodle_instantmessage"});if(b.length){var d=a.notifications[0];c=d.processors.map(function(a){var b=a.loggedin.checked||a.loggedoff.checked;return{displayname:a.displayname,name:a.name,checked:b,locked:a.locked,lockedmessage:a.lockedmessage||null}})}}})}var d=a.find(i.NOTIFICATION_PREFERENCES_CONTAINER);if(c.length){d.removeClass("hidden");return e.render(j.NOTIFICATION_PREFERENCES,{processors:c}).then(function(a){d.append(a);return a})}else{return!0}}).then(function(){a.find(i.CONTENT_CONTAINER).removeClass("hidden");a.find(i.PLACEHOLDER_CONTAINER).addClass("hidden");n(a,c)}).catch(b.exception)};return{show:function show(b,c,d,e,f){if(!d.attr("data-init")){o(d,f);d.attr("data-init",!0)}return a.Deferred().resolve().promise()},description:function description(){return c.get_string("messagedrawerviewsettings","core_message")}}});
-//# sourceMappingURL=message_drawer_view_settings.min.js.map
+/**
+ * Controls the settings page in the message drawer.
+ *
+ * @module     core_message/message_drawer_view_settings
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_drawer_view_settings",["jquery","core/notification","core/str","core/pubsub","core/templates","core_message/message_repository","core/custom_interaction_events","core_message/message_drawer_events"],(function($,Notification,Str,PubSub,Templates,Repository,CustomEvents,MessageDrawerEvents){var SELECTORS_CHECKBOX='input[type="checkbox"]',SELECTORS_SETTINGS='[data-region="settings"]',SELECTORS_PRIVACY_PREFERENCE='[data-preference="blocknoncontacts"] input[type="radio"]',SELECTORS_NOTIFICATIONS_PREFERENCE='[data-preference="notifications"] input[type="checkbox"]',SELECTORS_ENTER_TO_SEND_PREFERENCE='[data-preference="entertosend"] input[type="checkbox"]',SELECTORS_NOTIFICATION_PREFERENCES_CONTAINER='[data-region="notification-preference-container"]',SELECTORS_CONTENT_CONTAINER='[data-region="content-container"]',SELECTORS_PLACEHOLDER_CONTAINER='[data-region="placeholder-container"]',TEMPLATES_NOTIFICATION_PREFERENCES="core_message/message_drawer_view_settings_body_content_notification_preferences",savePreferences=function(loggedInUserId,preferences){return Repository.savePreferences(loggedInUserId,preferences).then((function(){PubSub.publish(MessageDrawerEvents.PREFERENCES_UPDATED,preferences)})).catch(Notification.exception)},init=function(body,loggedInUserId){Repository.getUserMessagePreferences(loggedInUserId).then((function(response){!function(body,value){body.find(SELECTORS_PRIVACY_PREFERENCE).each((function(index,input){(input=$(input)).val()==value?input.prop("checked",!0):input.prop("checked",!1)}))}(body,response.blocknoncontacts),function(body,value){var checkbox=body.find(SELECTORS_ENTER_TO_SEND_PREFERENCE);value?checkbox.prop("checked",!0):checkbox.prop("checked",!1)}(body,response.entertosend);var notificationProcessors=[];response.preferences.components.length&&response.preferences.components.forEach((function(component){if(component.notifications.length&&component.notifications.filter((function(notification){return"message_provider_moodle_instantmessage"==notification.preferencekey})).length){var configuration=component.notifications[0];notificationProcessors=configuration.processors.map((function(processor){var checked=processor.loggedin.checked||processor.loggedoff.checked;return{displayname:processor.displayname,name:processor.name,checked:checked,locked:processor.locked,lockedmessage:processor.lockedmessage||null}}))}}));var container=body.find(SELECTORS_NOTIFICATION_PREFERENCES_CONTAINER);return!notificationProcessors.length||(container.removeClass("hidden"),Templates.render(TEMPLATES_NOTIFICATION_PREFERENCES,{processors:notificationProcessors}).then((function(html){return container.append(html),html})))})).then((function(){body.find(SELECTORS_CONTENT_CONTAINER).removeClass("hidden"),body.find(SELECTORS_PLACEHOLDER_CONTAINER).addClass("hidden"),function(body,loggedInUserId){var settingsContainer=body.find(SELECTORS_SETTINGS);CustomEvents.define(settingsContainer,[CustomEvents.events.activate]),settingsContainer.on(CustomEvents.events.activate,SELECTORS_NOTIFICATIONS_PREFERENCE,(function(e){var checkboxes=$(e.target).closest(SELECTORS_NOTIFICATION_PREFERENCES_CONTAINER).find(SELECTORS_CHECKBOX);if(checkboxes.length){var values=checkboxes.toArray().reduce((function(carry,checkbox){return(checkbox=$(checkbox)).prop("checked")&&carry.push(checkbox.attr("data-name")),carry}),[]),newValue=values.length?values.join(","):"none";savePreferences(loggedInUserId,[{type:"message_provider_moodle_instantmessage_loggedoff",value:newValue},{type:"message_provider_moodle_instantmessage_loggedin",value:newValue}])}})),settingsContainer.on("change",SELECTORS_PRIVACY_PREFERENCE,(function(e){var newValue=$(e.target).val();savePreferences(loggedInUserId,[{type:"message_blocknoncontacts",value:newValue}])})),settingsContainer.on(CustomEvents.events.activate,SELECTORS_ENTER_TO_SEND_PREFERENCE,(function(e){var newValue=$(e.target).prop("checked");savePreferences(loggedInUserId,[{type:"message_entertosend",value:newValue}])}))}(body,loggedInUserId)})).catch(Notification.exception)};return{show:function(namespace,header,body,footer,loggedInUserId){return body.attr("data-init")||(init(body,loggedInUserId),body.attr("data-init",!0)),$.Deferred().resolve().promise()},description:function(){return Str.get_string("messagedrawerviewsettings","core_message")}}}));
+
+//# sourceMappingURL=message_drawer_view_settings.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_drawer_view_settings.min.js.map b/message/amd/build/message_drawer_view_settings.min.js.map
index fc00026752a..62c8b2e208d 100644
--- a/message/amd/build/message_drawer_view_settings.min.js.map
+++ b/message/amd/build/message_drawer_view_settings.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_drawer_view_settings.js"],"names":["define","$","Notification","Str","PubSub","Templates","Repository","CustomEvents","MessageDrawerEvents","SELECTORS","CHECKBOX","SETTINGS","PRIVACY_PREFERENCE","NOTIFICATIONS_PREFERENCE","ENTER_TO_SEND_PREFERENCE","NOTIFICATION_PREFERENCES_CONTAINER","CONTENT_CONTAINER","PLACEHOLDER_CONTAINER","TEMPLATES","NOTIFICATION_PREFERENCES","setPrivacyPreference","body","value","inputs","find","each","index","input","val","prop","setEnterToSend","checkbox","savePreferences","loggedInUserId","preferences","then","publish","PREFERENCES_UPDATED","catch","exception","registerEventListeners","settingsContainer","events","activate","on","e","container","target","closest","checkboxes","length","values","toArray","reduce","carry","push","attr","newValue","join","type","init","getUserMessagePreferences","response","blocknoncontacts","entertosend","notificationProcessors","components","forEach","component","notifications","notificationPreferences","filter","notification","preferencekey","configuration","processors","map","processor","checked","loggedin","loggedoff","displayname","name","locked","lockedmessage","removeClass","render","html","append","addClass","show","namespace","header","footer","Deferred","resolve","promise","description","get_string"],"mappings":"AAsBAA,OAAM,6CACN,CACI,QADJ,CAEI,mBAFJ,CAGI,UAHJ,CAII,aAJJ,CAKI,gBALJ,CAMI,iCANJ,CAOI,gCAPJ,CAQI,oCARJ,CADM,CAWN,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAMIC,CANJ,CAOIC,CAPJ,CAQIC,CARJ,CASE,IAEMC,CAAAA,CAAS,CAAG,CACZC,QAAQ,CAAE,0BADE,CAEZC,QAAQ,CAAE,4BAFE,CAGZC,kBAAkB,CAAE,8DAHR,CAIZC,wBAAwB,CAAE,8DAJd,CAKZC,wBAAwB,CAAE,4DALd,CAMZC,kCAAkC,CAAE,qDANxB,CAOZC,iBAAiB,CAAE,qCAPP,CAQZC,qBAAqB,CAAE,yCARX,CAFlB,CAaMC,CAAS,CAAG,CACZC,wBAAwB,CAAE,iFADd,CAblB,CAyBMC,CAAoB,CAAG,SAASC,CAAT,CAAeC,CAAf,CAAsB,CAC7C,GAAIC,CAAAA,CAAM,CAAGF,CAAI,CAACG,IAAL,CAAUf,CAAS,CAACG,kBAApB,CAAb,CACAW,CAAM,CAACE,IAAP,CAAY,SAASC,CAAT,CAAgBC,CAAhB,CAAuB,CAC/BA,CAAK,CAAG1B,CAAC,CAAC0B,CAAD,CAAT,CACA,GAAIA,CAAK,CAACC,GAAN,IAAeN,CAAnB,CAA0B,CACtBK,CAAK,CAACE,IAAN,CAAW,SAAX,IACH,CAFD,IAEO,CACHF,CAAK,CAACE,IAAN,CAAW,SAAX,IACH,CACJ,CAPD,CAQH,CAnCH,CA2CMC,CAAc,CAAG,SAAST,CAAT,CAAeC,CAAf,CAAsB,CACvC,GAAIS,CAAAA,CAAQ,CAAGV,CAAI,CAACG,IAAL,CAAUf,CAAS,CAACK,wBAApB,CAAf,CAEA,GAAIQ,CAAJ,CAAW,CACPS,CAAQ,CAACF,IAAT,CAAc,SAAd,IACH,CAFD,IAEO,CACHE,CAAQ,CAACF,IAAT,CAAc,SAAd,IACH,CACJ,CAnDH,CA8DMG,CAAe,CAAG,SAASC,CAAT,CAAyBC,CAAzB,CAAsC,CACxD,MAAO5B,CAAAA,CAAU,CAAC0B,eAAX,CAA2BC,CAA3B,CAA2CC,CAA3C,EACFC,IADE,CACG,UAAW,CACb/B,CAAM,CAACgC,OAAP,CAAe5B,CAAmB,CAAC6B,mBAAnC,CAAwDH,CAAxD,CAEH,CAJE,EAKFI,KALE,CAKIpC,CAAY,CAACqC,SALjB,CAMV,CArEH,CA8EMC,CAAsB,CAAG,SAASnB,CAAT,CAAeY,CAAf,CAA+B,CACxD,GAAIQ,CAAAA,CAAiB,CAAGpB,CAAI,CAACG,IAAL,CAAUf,CAAS,CAACE,QAApB,CAAxB,CAEAJ,CAAY,CAACP,MAAb,CAAoByC,CAApB,CAAuC,CACnClC,CAAY,CAACmC,MAAb,CAAoBC,QADe,CAAvC,EAIAF,CAAiB,CAACG,EAAlB,CAAqBrC,CAAY,CAACmC,MAAb,CAAoBC,QAAzC,CAAmDlC,CAAS,CAACI,wBAA7D,CAAuF,SAASgC,CAAT,CAAY,IAC3FC,CAAAA,CAAS,CAAG7C,CAAC,CAAC4C,CAAC,CAACE,MAAH,CAAD,CAAYC,OAAZ,CAAoBvC,CAAS,CAACM,kCAA9B,CAD+E,CAE3FkC,CAAU,CAAGH,CAAS,CAACtB,IAAV,CAAef,CAAS,CAACC,QAAzB,CAF8E,CAG/F,GAAI,CAACuC,CAAU,CAACC,MAAhB,CAAwB,CACpB,MACH,CAL8F,GAQ3FC,CAAAA,CAAM,CAAGF,CAAU,CAACG,OAAX,GAAqBC,MAArB,CAA4B,SAASC,CAAT,CAAgBvB,CAAhB,CAA0B,CAC/DA,CAAQ,CAAG9B,CAAC,CAAC8B,CAAD,CAAZ,CACA,GAAIA,CAAQ,CAACF,IAAT,CAAc,SAAd,CAAJ,CAA8B,CAC1ByB,CAAK,CAACC,IAAN,CAAWxB,CAAQ,CAACyB,IAAT,CAAc,WAAd,CAAX,CACH,CAED,MAAOF,CAAAA,CACV,CAPY,CAOV,EAPU,CARkF,CAgB3FG,CAAQ,CAAGN,CAAM,CAACD,MAAP,CAAgBC,CAAM,CAACO,IAAP,CAAY,GAAZ,CAAhB,CAAmC,MAhB6C,CA4B/F1B,CAAe,CAACC,CAAD,CAXG,CACd,CACI0B,IAAI,CAAE,kDADV,CAEIrC,KAAK,CAAEmC,CAFX,CADc,CAKd,CACIE,IAAI,CAAE,iDADV,CAEIrC,KAAK,CAAEmC,CAFX,CALc,CAWH,CAClB,CA7BD,EA+BAhB,CAAiB,CAACG,EAAlB,CAAqB,QAArB,CAA+BnC,CAAS,CAACG,kBAAzC,CAA6D,SAASiC,CAAT,CAAY,IACjEY,CAAAA,CAAQ,CAAGxD,CAAC,CAAC4C,CAAC,CAACE,MAAH,CAAD,CAAYnB,GAAZ,EADsD,CASrEI,CAAe,CAACC,CAAD,CAPG,CACd,CACI0B,IAAI,CAAE,0BADV,CAEIrC,KAAK,CAAEmC,CAFX,CADc,CAOH,CAClB,CAVD,EAYAhB,CAAiB,CAACG,EAAlB,CAAqBrC,CAAY,CAACmC,MAAb,CAAoBC,QAAzC,CAAmDlC,CAAS,CAACK,wBAA7D,CAAuF,SAAS+B,CAAT,CAAY,IAC3FY,CAAAA,CAAQ,CAAGxD,CAAC,CAAC4C,CAAC,CAACE,MAAH,CAAD,CAAYlB,IAAZ,CAAiB,SAAjB,CADgF,CAS/FG,CAAe,CAACC,CAAD,CAPG,CACd,CACI0B,IAAI,CAAE,qBADV,CAEIrC,KAAK,CAAEmC,CAFX,CADc,CAOH,CAClB,CAVD,CAWH,CA3IH,CAwJMG,CAAI,CAAG,SAASvC,CAAT,CAAeY,CAAf,CAA+B,CAEtC3B,CAAU,CAACuD,yBAAX,CAAqC5B,CAArC,EACKE,IADL,CACU,SAAS2B,CAAT,CAAmB,CAErB1C,CAAoB,CAACC,CAAD,CAAOyC,CAAQ,CAACC,gBAAhB,CAApB,CACAjC,CAAc,CAACT,CAAD,CAAOyC,CAAQ,CAACE,WAAhB,CAAd,CAGA,GAAIC,CAAAA,CAAsB,CAAG,EAA7B,CACA,GAAIH,CAAQ,CAAC5B,WAAT,CAAqBgC,UAArB,CAAgChB,MAApC,CAA4C,CACxCY,CAAQ,CAAC5B,WAAT,CAAqBgC,UAArB,CAAgCC,OAAhC,CAAwC,SAASC,CAAT,CAAoB,CACxD,GAAIA,CAAS,CAACC,aAAV,CAAwBnB,MAA5B,CAAoC,CAGhC,GAAIoB,CAAAA,CAAuB,CAAGF,CAAS,CAACC,aAAV,CAAwBE,MAAxB,CAA+B,SAASC,CAAT,CAAuB,CAChF,MAAOA,CAAAA,CAAY,CAACC,aAAb,EAvJA,wCAwJV,CAF6B,CAA9B,CAIA,GAAIH,CAAuB,CAACpB,MAA5B,CAAoC,CAGhC,GAAIwB,CAAAA,CAAa,CAAGN,CAAS,CAACC,aAAV,CAAwB,C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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the settings page in the message drawer.\n *\n * @module     core_message/message_drawer_view_settings\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/str',\n    'core/pubsub',\n    'core/templates',\n    'core_message/message_repository',\n    'core/custom_interaction_events',\n    'core_message/message_drawer_events'\n],\nfunction(\n    $,\n    Notification,\n    Str,\n    PubSub,\n    Templates,\n    Repository,\n    CustomEvents,\n    MessageDrawerEvents\n) {\n\n    var SELECTORS = {\n        CHECKBOX: 'input[type=\"checkbox\"]',\n        SETTINGS: '[data-region=\"settings\"]',\n        PRIVACY_PREFERENCE: '[data-preference=\"blocknoncontacts\"] input[type=\"radio\"]',\n        NOTIFICATIONS_PREFERENCE: '[data-preference=\"notifications\"] input[type=\"checkbox\"]',\n        ENTER_TO_SEND_PREFERENCE: '[data-preference=\"entertosend\"] input[type=\"checkbox\"]',\n        NOTIFICATION_PREFERENCES_CONTAINER: '[data-region=\"notification-preference-container\"]',\n        CONTENT_CONTAINER: '[data-region=\"content-container\"]',\n        PLACEHOLDER_CONTAINER: '[data-region=\"placeholder-container\"]'\n    };\n\n    var TEMPLATES = {\n        NOTIFICATION_PREFERENCES: 'core_message/message_drawer_view_settings_body_content_notification_preferences'\n    };\n\n    var NOTIFICATION_PREFERENCES_KEY = 'message_provider_moodle_instantmessage';\n\n    /**\n     * Select the correct radio button in the DOM for the privacy preference.\n     *\n     * @param {Object} body The settings body element.\n     * @param {Number} value Which radio button should be set\n     */\n    var setPrivacyPreference = function(body, value) {\n        var inputs = body.find(SELECTORS.PRIVACY_PREFERENCE);\n        inputs.each(function(index, input) {\n            input = $(input);\n            if (input.val() == value) {\n                input.prop('checked', true);\n            } else {\n                input.prop('checked', false);\n            }\n        });\n    };\n\n    /**\n     * Set the \"enter to send\" checkbox to the correct value in the DOM.\n     *\n     * @param {Object} body The settings body element.\n     * @param {Bool} value Whether enter to send is enabled or disabled.\n     */\n    var setEnterToSend = function(body, value) {\n        var checkbox = body.find(SELECTORS.ENTER_TO_SEND_PREFERENCE);\n\n        if (value) {\n            checkbox.prop('checked', true);\n        } else {\n            checkbox.prop('checked', false);\n        }\n    };\n\n    /**\n     * Send a request to the server to save the given preferences. Also publish\n     * a preferences updated event for the rest of the message drawer to\n     * subscribe to.\n     *\n     * @param {Number} loggedInUserId The logged in user id.\n     * @param {Array} preferences The preferences to set.\n     * @return {Object} jQuery promise\n     */\n    var savePreferences = function(loggedInUserId, preferences) {\n        return Repository.savePreferences(loggedInUserId, preferences)\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.PREFERENCES_UPDATED, preferences);\n                return;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Create all of the event listeners for the message preferences page.\n     *\n     * @method registerEventListeners\n     * @param {Object} body The settings body element.\n     * @param {Number} loggedInUserId The logged in user id.\n     */\n    var registerEventListeners = function(body, loggedInUserId) {\n        var settingsContainer = body.find(SELECTORS.SETTINGS);\n\n        CustomEvents.define(settingsContainer, [\n            CustomEvents.events.activate\n        ]);\n\n        settingsContainer.on(CustomEvents.events.activate, SELECTORS.NOTIFICATIONS_PREFERENCE, function(e) {\n            var container = $(e.target).closest(SELECTORS.NOTIFICATION_PREFERENCES_CONTAINER);\n            var checkboxes = container.find(SELECTORS.CHECKBOX);\n            if (!checkboxes.length) {\n                return;\n            }\n            // The preference value is all of the enabled processors, comma separated, so let's\n            // see which ones are enabled.\n            var values = checkboxes.toArray().reduce(function(carry, checkbox) {\n                checkbox = $(checkbox);\n                if (checkbox.prop('checked')) {\n                    carry.push(checkbox.attr('data-name'));\n                }\n\n                return carry;\n            }, []);\n            var newValue = values.length ? values.join(',') : 'none';\n            var preferences = [\n                {\n                    type: 'message_provider_moodle_instantmessage_loggedoff',\n                    value: newValue\n                },\n                {\n                    type: 'message_provider_moodle_instantmessage_loggedin',\n                    value: newValue\n                }\n            ];\n\n            savePreferences(loggedInUserId, preferences);\n        });\n\n        settingsContainer.on('change', SELECTORS.PRIVACY_PREFERENCE, function(e) {\n            var newValue = $(e.target).val();\n            var preferences = [\n                {\n                    type: 'message_blocknoncontacts',\n                    value: newValue\n                }\n            ];\n\n            savePreferences(loggedInUserId, preferences);\n        });\n\n        settingsContainer.on(CustomEvents.events.activate, SELECTORS.ENTER_TO_SEND_PREFERENCE, function(e) {\n            var newValue = $(e.target).prop('checked');\n            var preferences = [\n                {\n                    type: 'message_entertosend',\n                    value: newValue\n                }\n            ];\n\n            savePreferences(loggedInUserId, preferences);\n        });\n    };\n\n    /**\n     * Initialise the module by loading the user's messaging preferences from the server and\n     * rendering them in the settings page.\n     *\n     * Moodle may have many (or no) message processors enabled to notify the user when they\n     * receive messages. We need to dynamically build the settings page based on which processors\n     * are configured for the user.\n     *\n     * @param {Object} body The settings body element.\n     * @param {Number} loggedInUserId The logged in user id.\n     */\n    var init = function(body, loggedInUserId) {\n        // Load the message preferences from the server.\n        Repository.getUserMessagePreferences(loggedInUserId)\n            .then(function(response) {\n                // Set the values of the stright forward preferences.\n                setPrivacyPreference(body, response.blocknoncontacts);\n                setEnterToSend(body, response.entertosend);\n\n                // Parse the list of other preferences into a more usable format.\n                var notificationProcessors = [];\n                if (response.preferences.components.length) {\n                    response.preferences.components.forEach(function(component) {\n                        if (component.notifications.length) {\n                            // Filter down to just the notification processors that work on instant\n                            // messaging. We don't care about another other ones.\n                            var notificationPreferences = component.notifications.filter(function(notification) {\n                                return notification.preferencekey == NOTIFICATION_PREFERENCES_KEY;\n                            });\n\n                            if (notificationPreferences.length) {\n                                // Messaging only has one config at the moment which is for notifications\n                                // on personal messages.\n                                var configuration = component.notifications[0];\n                                notificationProcessors = configuration.processors.map(function(processor) {\n                                    // Consider the the processor enabled if either preference is set. This is\n                                    // for backwards compatibility. Going forward they will be treated as one\n                                    // setting.\n                                    var checked = processor.loggedin.checked || processor.loggedoff.checked;\n                                    return {\n                                        displayname: processor.displayname,\n                                        name: processor.name,\n                                        checked: checked,\n                                        // The admin can force processors to be enabled at a site level so\n                                        // we need to check if this processor has been locked by the admin.\n                                        locked: processor.locked,\n                                        lockedmessage: processor.lockedmessage || null,\n                                    };\n                                });\n                            }\n                        }\n                    });\n                }\n\n                var container = body.find(SELECTORS.NOTIFICATION_PREFERENCES_CONTAINER);\n                if (notificationProcessors.length) {\n                    // We have processors (i.e. email, mobile, jabber) to show.\n                    container.removeClass('hidden');\n                    // Render the processor options.\n                    return Templates.render(TEMPLATES.NOTIFICATION_PREFERENCES, {processors: notificationProcessors})\n                        .then(function(html) {\n                            container.append(html);\n                            return html;\n                        });\n                } else {\n                    return true;\n                }\n            })\n            .then(function() {\n                // We're done loading so hide the loading placeholder and show the settings.\n                body.find(SELECTORS.CONTENT_CONTAINER).removeClass('hidden');\n                body.find(SELECTORS.PLACEHOLDER_CONTAINER).addClass('hidden');\n                // Register the event listers for if the user wants to change the preferences.\n                registerEventListeners(body, loggedInUserId);\n                return;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Initialise the settings page by adding event listeners to\n     * the checkboxes.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header The settings header element.\n     * @param {Object} body The settings body element.\n     * @param {Object} footer The footer body element.\n     * @param {Number} loggedInUserId The logged in user id.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, loggedInUserId) {\n        if (!body.attr('data-init')) {\n            init(body, loggedInUserId);\n            body.attr('data-init', true);\n        }\n\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewsettings', 'core_message');\n    };\n\n    return {\n        show: show,\n        description: description,\n    };\n});\n"],"file":"message_drawer_view_settings.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_drawer_view_settings.min.js","sources":["../src/message_drawer_view_settings.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the settings page in the message drawer.\n *\n * @module     core_message/message_drawer_view_settings\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/notification',\n    'core/str',\n    'core/pubsub',\n    'core/templates',\n    'core_message/message_repository',\n    'core/custom_interaction_events',\n    'core_message/message_drawer_events'\n],\nfunction(\n    $,\n    Notification,\n    Str,\n    PubSub,\n    Templates,\n    Repository,\n    CustomEvents,\n    MessageDrawerEvents\n) {\n\n    var SELECTORS = {\n        CHECKBOX: 'input[type=\"checkbox\"]',\n        SETTINGS: '[data-region=\"settings\"]',\n        PRIVACY_PREFERENCE: '[data-preference=\"blocknoncontacts\"] input[type=\"radio\"]',\n        NOTIFICATIONS_PREFERENCE: '[data-preference=\"notifications\"] input[type=\"checkbox\"]',\n        ENTER_TO_SEND_PREFERENCE: '[data-preference=\"entertosend\"] input[type=\"checkbox\"]',\n        NOTIFICATION_PREFERENCES_CONTAINER: '[data-region=\"notification-preference-container\"]',\n        CONTENT_CONTAINER: '[data-region=\"content-container\"]',\n        PLACEHOLDER_CONTAINER: '[data-region=\"placeholder-container\"]'\n    };\n\n    var TEMPLATES = {\n        NOTIFICATION_PREFERENCES: 'core_message/message_drawer_view_settings_body_content_notification_preferences'\n    };\n\n    var NOTIFICATION_PREFERENCES_KEY = 'message_provider_moodle_instantmessage';\n\n    /**\n     * Select the correct radio button in the DOM for the privacy preference.\n     *\n     * @param {Object} body The settings body element.\n     * @param {Number} value Which radio button should be set\n     */\n    var setPrivacyPreference = function(body, value) {\n        var inputs = body.find(SELECTORS.PRIVACY_PREFERENCE);\n        inputs.each(function(index, input) {\n            input = $(input);\n            if (input.val() == value) {\n                input.prop('checked', true);\n            } else {\n                input.prop('checked', false);\n            }\n        });\n    };\n\n    /**\n     * Set the \"enter to send\" checkbox to the correct value in the DOM.\n     *\n     * @param {Object} body The settings body element.\n     * @param {Bool} value Whether enter to send is enabled or disabled.\n     */\n    var setEnterToSend = function(body, value) {\n        var checkbox = body.find(SELECTORS.ENTER_TO_SEND_PREFERENCE);\n\n        if (value) {\n            checkbox.prop('checked', true);\n        } else {\n            checkbox.prop('checked', false);\n        }\n    };\n\n    /**\n     * Send a request to the server to save the given preferences. Also publish\n     * a preferences updated event for the rest of the message drawer to\n     * subscribe to.\n     *\n     * @param {Number} loggedInUserId The logged in user id.\n     * @param {Array} preferences The preferences to set.\n     * @return {Object} jQuery promise\n     */\n    var savePreferences = function(loggedInUserId, preferences) {\n        return Repository.savePreferences(loggedInUserId, preferences)\n            .then(function() {\n                PubSub.publish(MessageDrawerEvents.PREFERENCES_UPDATED, preferences);\n                return;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Create all of the event listeners for the message preferences page.\n     *\n     * @method registerEventListeners\n     * @param {Object} body The settings body element.\n     * @param {Number} loggedInUserId The logged in user id.\n     */\n    var registerEventListeners = function(body, loggedInUserId) {\n        var settingsContainer = body.find(SELECTORS.SETTINGS);\n\n        CustomEvents.define(settingsContainer, [\n            CustomEvents.events.activate\n        ]);\n\n        settingsContainer.on(CustomEvents.events.activate, SELECTORS.NOTIFICATIONS_PREFERENCE, function(e) {\n            var container = $(e.target).closest(SELECTORS.NOTIFICATION_PREFERENCES_CONTAINER);\n            var checkboxes = container.find(SELECTORS.CHECKBOX);\n            if (!checkboxes.length) {\n                return;\n            }\n            // The preference value is all of the enabled processors, comma separated, so let's\n            // see which ones are enabled.\n            var values = checkboxes.toArray().reduce(function(carry, checkbox) {\n                checkbox = $(checkbox);\n                if (checkbox.prop('checked')) {\n                    carry.push(checkbox.attr('data-name'));\n                }\n\n                return carry;\n            }, []);\n            var newValue = values.length ? values.join(',') : 'none';\n            var preferences = [\n                {\n                    type: 'message_provider_moodle_instantmessage_loggedoff',\n                    value: newValue\n                },\n                {\n                    type: 'message_provider_moodle_instantmessage_loggedin',\n                    value: newValue\n                }\n            ];\n\n            savePreferences(loggedInUserId, preferences);\n        });\n\n        settingsContainer.on('change', SELECTORS.PRIVACY_PREFERENCE, function(e) {\n            var newValue = $(e.target).val();\n            var preferences = [\n                {\n                    type: 'message_blocknoncontacts',\n                    value: newValue\n                }\n            ];\n\n            savePreferences(loggedInUserId, preferences);\n        });\n\n        settingsContainer.on(CustomEvents.events.activate, SELECTORS.ENTER_TO_SEND_PREFERENCE, function(e) {\n            var newValue = $(e.target).prop('checked');\n            var preferences = [\n                {\n                    type: 'message_entertosend',\n                    value: newValue\n                }\n            ];\n\n            savePreferences(loggedInUserId, preferences);\n        });\n    };\n\n    /**\n     * Initialise the module by loading the user's messaging preferences from the server and\n     * rendering them in the settings page.\n     *\n     * Moodle may have many (or no) message processors enabled to notify the user when they\n     * receive messages. We need to dynamically build the settings page based on which processors\n     * are configured for the user.\n     *\n     * @param {Object} body The settings body element.\n     * @param {Number} loggedInUserId The logged in user id.\n     */\n    var init = function(body, loggedInUserId) {\n        // Load the message preferences from the server.\n        Repository.getUserMessagePreferences(loggedInUserId)\n            .then(function(response) {\n                // Set the values of the stright forward preferences.\n                setPrivacyPreference(body, response.blocknoncontacts);\n                setEnterToSend(body, response.entertosend);\n\n                // Parse the list of other preferences into a more usable format.\n                var notificationProcessors = [];\n                if (response.preferences.components.length) {\n                    response.preferences.components.forEach(function(component) {\n                        if (component.notifications.length) {\n                            // Filter down to just the notification processors that work on instant\n                            // messaging. We don't care about another other ones.\n                            var notificationPreferences = component.notifications.filter(function(notification) {\n                                return notification.preferencekey == NOTIFICATION_PREFERENCES_KEY;\n                            });\n\n                            if (notificationPreferences.length) {\n                                // Messaging only has one config at the moment which is for notifications\n                                // on personal messages.\n                                var configuration = component.notifications[0];\n                                notificationProcessors = configuration.processors.map(function(processor) {\n                                    // Consider the the processor enabled if either preference is set. This is\n                                    // for backwards compatibility. Going forward they will be treated as one\n                                    // setting.\n                                    var checked = processor.loggedin.checked || processor.loggedoff.checked;\n                                    return {\n                                        displayname: processor.displayname,\n                                        name: processor.name,\n                                        checked: checked,\n                                        // The admin can force processors to be enabled at a site level so\n                                        // we need to check if this processor has been locked by the admin.\n                                        locked: processor.locked,\n                                        lockedmessage: processor.lockedmessage || null,\n                                    };\n                                });\n                            }\n                        }\n                    });\n                }\n\n                var container = body.find(SELECTORS.NOTIFICATION_PREFERENCES_CONTAINER);\n                if (notificationProcessors.length) {\n                    // We have processors (i.e. email, mobile, jabber) to show.\n                    container.removeClass('hidden');\n                    // Render the processor options.\n                    return Templates.render(TEMPLATES.NOTIFICATION_PREFERENCES, {processors: notificationProcessors})\n                        .then(function(html) {\n                            container.append(html);\n                            return html;\n                        });\n                } else {\n                    return true;\n                }\n            })\n            .then(function() {\n                // We're done loading so hide the loading placeholder and show the settings.\n                body.find(SELECTORS.CONTENT_CONTAINER).removeClass('hidden');\n                body.find(SELECTORS.PLACEHOLDER_CONTAINER).addClass('hidden');\n                // Register the event listers for if the user wants to change the preferences.\n                registerEventListeners(body, loggedInUserId);\n                return;\n            })\n            .catch(Notification.exception);\n    };\n\n    /**\n     * Initialise the settings page by adding event listeners to\n     * the checkboxes.\n     *\n     * @param {string} namespace The route namespace.\n     * @param {Object} header The settings header element.\n     * @param {Object} body The settings body element.\n     * @param {Object} footer The footer body element.\n     * @param {Number} loggedInUserId The logged in user id.\n     * @return {Object} jQuery promise\n     */\n    var show = function(namespace, header, body, footer, loggedInUserId) {\n        if (!body.attr('data-init')) {\n            init(body, loggedInUserId);\n            body.attr('data-init', true);\n        }\n\n        return $.Deferred().resolve().promise();\n    };\n\n    /**\n     * String describing this page used for aria-labels.\n     *\n     * @return {Object} jQuery promise\n     */\n    var description = function() {\n        return Str.get_string('messagedrawerviewsettings', 'core_message');\n    };\n\n    return {\n        show: show,\n        description: description,\n    };\n});\n"],"names":["define","$","Notification","Str","PubSub","Templates","Repository","CustomEvents","MessageDrawerEvents","SELECTORS","TEMPLATES","savePreferences","loggedInUserId","preferences","then","publish","PREFERENCES_UPDATED","catch","exception","init","body","getUserMessagePreferences","response","value","find","each","index","input","val","prop","setPrivacyPreference","blocknoncontacts","checkbox","setEnterToSend","entertosend","notificationProcessors","components","length","forEach","component","notifications","filter","notification","preferencekey","configuration","processors","map","processor","checked","loggedin","loggedoff","displayname","name","locked","lockedmessage","container","removeClass","render","html","append","addClass","settingsContainer","events","activate","on","e","checkboxes","target","closest","values","toArray","reduce","carry","push","attr","newValue","join","type","registerEventListeners","show","namespace","header","footer","Deferred","resolve","promise","description","get_string"],"mappings":";;;;;;;AAsBAA,mDACA,CACI,SACA,oBACA,WACA,cACA,iBACA,kCACA,iCACA,uCAEJ,SACIC,EACAC,aACAC,IACAC,OACAC,UACAC,WACAC,aACAC,yBAGIC,mBACU,yBADVA,mBAEU,2BAFVA,6BAGoB,2DAHpBA,mCAI0B,2DAJ1BA,mCAK0B,yDAL1BA,6CAMoC,oDANpCA,4BAOmB,oCAPnBA,gCAQuB,wCAGvBC,mCAC0B,kFAgD1BC,gBAAkB,SAASC,eAAgBC,oBACpCP,WAAWK,gBAAgBC,eAAgBC,aAC7CC,MAAK,WACFV,OAAOW,QAAQP,oBAAoBQ,oBAAqBH,gBAG3DI,MAAMf,aAAagB,YAoFxBC,KAAO,SAASC,KAAMR,gBAEtBN,WAAWe,0BAA0BT,gBAChCE,MAAK,SAASQ,WAlII,SAASF,KAAMG,OACzBH,KAAKI,KAAKf,8BAChBgB,MAAK,SAASC,MAAOC,QACxBA,MAAQ1B,EAAE0B,QACAC,OAASL,MACfI,MAAME,KAAK,WAAW,GAEtBF,MAAME,KAAK,WAAW,MA6HtBC,CAAqBV,KAAME,SAASS,kBAlH3B,SAASX,KAAMG,WAC5BS,SAAWZ,KAAKI,KAAKf,oCAErBc,MACAS,SAASH,KAAK,WAAW,GAEzBG,SAASH,KAAK,WAAW,GA6GrBI,CAAeb,KAAME,SAASY,iBAG1BC,uBAAyB,GACzBb,SAAST,YAAYuB,WAAWC,QAChCf,SAAST,YAAYuB,WAAWE,SAAQ,SAASC,cACzCA,UAAUC,cAAcH,QAGME,UAAUC,cAAcC,QAAO,SAASC,oBAtJ3D,0CAuJAA,aAAaC,iBAGIN,OAAQ,KAG5BO,cAAgBL,UAAUC,cAAc,GAC5CL,uBAAyBS,cAAcC,WAAWC,KAAI,SAASC,eAIvDC,QAAUD,UAAUE,SAASD,SAAWD,UAAUG,UAAUF,cACzD,CACHG,YAAaJ,UAAUI,YACvBC,KAAML,UAAUK,KAChBJ,QAASA,QAGTK,OAAQN,UAAUM,OAClBC,cAAeP,UAAUO,eAAiB,iBAQ9DC,UAAYnC,KAAKI,KAAKf,qDACtB0B,uBAAuBE,SAEvBkB,UAAUC,YAAY,UAEfnD,UAAUoD,OAAO/C,mCAAoC,CAACmC,WAAYV,yBACpErB,MAAK,SAAS4C,aACXH,UAAUI,OAAOD,MACVA,YAMtB5C,MAAK,WAEFM,KAAKI,KAAKf,6BAA6B+C,YAAY,UACnDpC,KAAKI,KAAKf,iCAAiCmD,SAAS,UAtInC,SAASxC,KAAMR,oBACpCiD,kBAAoBzC,KAAKI,KAAKf,oBAElCF,aAAaP,OAAO6D,kBAAmB,CACnCtD,aAAauD,OAAOC,WAGxBF,kBAAkBG,GAAGzD,aAAauD,OAAOC,SAAUtD,oCAAoC,SAASwD,OAExFC,WADYjE,EAAEgE,EAAEE,QAAQC,QAAQ3D,8CACTe,KAAKf,uBAC3ByD,WAAW7B,YAKZgC,OAASH,WAAWI,UAAUC,QAAO,SAASC,MAAOxC,iBACrDA,SAAW/B,EAAE+B,WACAH,KAAK,YACd2C,MAAMC,KAAKzC,SAAS0C,KAAK,cAGtBF,QACR,IACCG,SAAWN,OAAOhC,OAASgC,OAAOO,KAAK,KAAO,OAYlDjE,gBAAgBC,eAXE,CACd,CACIiE,KAAM,mDACNtD,MAAOoD,UAEX,CACIE,KAAM,kDACNtD,MAAOoD,gBAOnBd,kBAAkBG,GAAG,SAAUvD,8BAA8B,SAASwD,OAC9DU,SAAW1E,EAAEgE,EAAEE,QAAQvC,MAQ3BjB,gBAAgBC,eAPE,CACd,CACIiE,KAAM,2BACNtD,MAAOoD,eAOnBd,kBAAkBG,GAAGzD,aAAauD,OAAOC,SAAUtD,oCAAoC,SAASwD,OACxFU,SAAW1E,EAAEgE,EAAEE,QAAQtC,KAAK,WAQhClB,gBAAgBC,eAPE,CACd,CACIiE,KAAM,sBACNtD,MAAOoD,eAiFXG,CAAuB1D,KAAMR,mBAGhCK,MAAMf,aAAagB,kBAgCrB,CACH6D,KAnBO,SAASC,UAAWC,OAAQ7D,KAAM8D,OAAQtE,uBAC5CQ,KAAKsD,KAAK,eACXvD,KAAKC,KAAMR,gBACXQ,KAAKsD,KAAK,aAAa,IAGpBzE,EAAEkF,WAAWC,UAAUC,WAc9BC,YANc,kBACPnF,IAAIoF,WAAW,4BAA6B"}
\ No newline at end of file
diff --git a/message/amd/build/message_notification_preference.min.js b/message/amd/build/message_notification_preference.min.js
index 68d37a69a14..d5fb735a4db 100644
--- a/message/amd/build/message_notification_preference.min.js
+++ b/message/amd/build/message_notification_preference.min.js
@@ -1,2 +1,13 @@
-define ("core_message/message_notification_preference",["jquery","core_message/notification_preference"],function(a,b){var c={PREFERENCE_KEY:"[data-preference-key]"},d=function(a,c){b.call(this,a,c)};d.prototype=Object.create(b.prototype);d.prototype.constructor=d;d.prototype.getPreferenceKey=function(){return this.root.find(c.PREFERENCE_KEY).attr("data-preference-key")};return d});
-//# sourceMappingURL=message_notification_preference.min.js.map
+/**
+ * Controls the preference for an individual notification type on the
+ * message preference page.
+ *
+ * @module     core_message/message_notification_preference
+ * @class      message_notification_preference
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_notification_preference",["jquery","core_message/notification_preference"],(function($,NotificationPreference){var SELECTORS_PREFERENCE_KEY="[data-preference-key]",MessageNotificationPreference=function(element,userId){NotificationPreference.call(this,element,userId)};return(MessageNotificationPreference.prototype=Object.create(NotificationPreference.prototype)).constructor=MessageNotificationPreference,MessageNotificationPreference.prototype.getPreferenceKey=function(){return this.root.find(SELECTORS_PREFERENCE_KEY).attr("data-preference-key")},MessageNotificationPreference}));
+
+//# sourceMappingURL=message_notification_preference.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_notification_preference.min.js.map b/message/amd/build/message_notification_preference.min.js.map
index a463a6d8525..c5a8f8889fa 100644
--- a/message/amd/build/message_notification_preference.min.js.map
+++ b/message/amd/build/message_notification_preference.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_notification_preference.js"],"names":["define","$","NotificationPreference","SELECTORS","PREFERENCE_KEY","MessageNotificationPreference","element","userId","call","prototype","Object","create","constructor","getPreferenceKey","root","find","attr"],"mappings":"AAyBAA,OAAM,gDAAC,CAAC,QAAD,CAAW,sCAAX,CAAD,CACE,SAASC,CAAT,CAAYC,CAAZ,CAAoC,IAEpCC,CAAAA,CAAS,CAAG,CACZC,cAAc,CAAE,uBADJ,CAFwB,CAYpCC,CAA6B,CAAG,SAASC,CAAT,CAAkBC,CAAlB,CAA0B,CAC1DL,CAAsB,CAACM,IAAvB,CAA4B,IAA5B,CAAkCF,CAAlC,CAA2CC,CAA3C,CACH,CAduC,CAmBxCF,CAA6B,CAACI,SAA9B,CAA0CC,MAAM,CAACC,MAAP,CAAcT,CAAsB,CAACO,SAArC,CAA1C,CAKAJ,CAA6B,CAACI,SAA9B,CAAwCG,WAAxC,CAAsDP,CAAtD,CAQAA,CAA6B,CAACI,SAA9B,CAAwCI,gBAAxC,CAA2D,UAAW,CAClE,MAAO,MAAKC,IAAL,CAAUC,IAAV,CAAeZ,CAAS,CAACC,cAAzB,EAAyCY,IAAzC,CAA8C,qBAA9C,CACV,CAFD,CAIA,MAAOX,CAAAA,CACV,CAtCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the preference for an individual notification type on the\n * message preference page.\n *\n * @module     core_message/message_notification_preference\n * @class      message_notification_preference\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core_message/notification_preference'],\n        function($, NotificationPreference) {\n\n    var SELECTORS = {\n        PREFERENCE_KEY: '[data-preference-key]',\n    };\n\n    /**\n     * Constructor for the Preference.\n     *\n     * @param {object} element jQuery object root element of the preference\n     * @param {int} userId The current user id\n     */\n    var MessageNotificationPreference = function(element, userId) {\n        NotificationPreference.call(this, element, userId);\n    };\n\n    /**\n     * Clone the parent prototype.\n     */\n    MessageNotificationPreference.prototype = Object.create(NotificationPreference.prototype);\n\n    /**\n     * Set constructor.\n     */\n    MessageNotificationPreference.prototype.constructor = MessageNotificationPreference;\n\n    /**\n     * Get the unique prefix key that identifies this user preference.\n     *\n     * @method getPreferenceKey\n     * @return {string}\n     */\n    MessageNotificationPreference.prototype.getPreferenceKey = function() {\n        return this.root.find(SELECTORS.PREFERENCE_KEY).attr('data-preference-key');\n    };\n\n    return MessageNotificationPreference;\n});\n"],"file":"message_notification_preference.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_notification_preference.min.js","sources":["../src/message_notification_preference.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the preference for an individual notification type on the\n * message preference page.\n *\n * @module     core_message/message_notification_preference\n * @class      message_notification_preference\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core_message/notification_preference'],\n        function($, NotificationPreference) {\n\n    var SELECTORS = {\n        PREFERENCE_KEY: '[data-preference-key]',\n    };\n\n    /**\n     * Constructor for the Preference.\n     *\n     * @param {object} element jQuery object root element of the preference\n     * @param {int} userId The current user id\n     */\n    var MessageNotificationPreference = function(element, userId) {\n        NotificationPreference.call(this, element, userId);\n    };\n\n    /**\n     * Clone the parent prototype.\n     */\n    MessageNotificationPreference.prototype = Object.create(NotificationPreference.prototype);\n\n    /**\n     * Set constructor.\n     */\n    MessageNotificationPreference.prototype.constructor = MessageNotificationPreference;\n\n    /**\n     * Get the unique prefix key that identifies this user preference.\n     *\n     * @method getPreferenceKey\n     * @return {string}\n     */\n    MessageNotificationPreference.prototype.getPreferenceKey = function() {\n        return this.root.find(SELECTORS.PREFERENCE_KEY).attr('data-preference-key');\n    };\n\n    return MessageNotificationPreference;\n});\n"],"names":["define","$","NotificationPreference","SELECTORS","MessageNotificationPreference","element","userId","call","this","prototype","Object","create","constructor","getPreferenceKey","root","find","attr"],"mappings":";;;;;;;;;;AAyBAA,sDAAO,CAAC,SAAU,yCACV,SAASC,EAAGC,4BAEZC,yBACgB,wBAShBC,8BAAgC,SAASC,QAASC,QAClDJ,uBAAuBK,KAAKC,KAAMH,QAASC,gBAM/CF,8BAA8BK,UAAYC,OAAOC,OAAOT,uBAAuBO,YAKvCG,YAAcR,8BAQtDA,8BAA8BK,UAAUI,iBAAmB,kBAChDL,KAAKM,KAAKC,KAAKZ,0BAA0Ba,KAAK,wBAGlDZ"}
\ No newline at end of file
diff --git a/message/amd/build/message_popover.min.js b/message/amd/build/message_popover.min.js
index d8a2983840d..9647468aed2 100644
--- a/message/amd/build/message_popover.min.js
+++ b/message/amd/build/message_popover.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_popover",["jquery","core/custom_interaction_events","core/pubsub","core_message/message_drawer_events"],function(a,b,c,d){var e={COUNT_CONTAINER:"[data-region=\"count-container\"]"},f=function(a){c.publish(d.TOGGLE_VISIBILITY,a)},g=function(a){return function(){var b=a.find(e.COUNT_CONTAINER),c=parseInt(b.text(),10);if(isNaN(c)){b.addClass("hidden")}else if(!c||2>c){b.addClass("hidden")}else{c=c-1;b.text(c)}}},h=function(a){b.define(a,[b.events.activate]);a.on(b.events.activate,function(b,c){f(a.attr("id"));a.focus();c.originalEvent.preventDefault()});c.subscribe(d.CONVERSATION_READ,g(a));c.subscribe(d.CONTACT_REQUEST_ACCEPTED,g(a));c.subscribe(d.CONTACT_REQUEST_DECLINED,g(a))};return{init:function init(b){b=a(b);h(b)}}});
-//# sourceMappingURL=message_popover.min.js.map
+/**
+ * Controls the message popover in the nav bar.
+ *
+ * @module     core_message/message_popover
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_popover",["jquery","core/custom_interaction_events","core/pubsub","core_message/message_drawer_events"],(function($,CustomEvents,PubSub,MessageDrawerEvents){var SELECTORS_COUNT_CONTAINER='[data-region="count-container"]',handleDecrementConversationCount=function(button){return function(){var countContainer=button.find(SELECTORS_COUNT_CONTAINER),count=parseInt(countContainer.text(),10);isNaN(count)||!count||count<2?countContainer.addClass("hidden"):(count-=1,countContainer.text(count))}},registerEventListeners=function(button){CustomEvents.define(button,[CustomEvents.events.activate]),button.on(CustomEvents.events.activate,(function(e,data){var buttonid;buttonid=button.attr("id"),PubSub.publish(MessageDrawerEvents.TOGGLE_VISIBILITY,buttonid),button.focus(),data.originalEvent.preventDefault()})),PubSub.subscribe(MessageDrawerEvents.CONVERSATION_READ,handleDecrementConversationCount(button)),PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED,handleDecrementConversationCount(button)),PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED,handleDecrementConversationCount(button))};return{init:function(button){button=$(button),registerEventListeners(button)}}}));
+
+//# sourceMappingURL=message_popover.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_popover.min.js.map b/message/amd/build/message_popover.min.js.map
index d78b7542d46..72e4414a537 100644
--- a/message/amd/build/message_popover.min.js.map
+++ b/message/amd/build/message_popover.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_popover.js"],"names":["define","$","CustomEvents","PubSub","MessageDrawerEvents","SELECTORS","COUNT_CONTAINER","toggleMessageDrawerVisibility","buttonid","publish","TOGGLE_VISIBILITY","handleDecrementConversationCount","button","countContainer","find","count","parseInt","text","isNaN","addClass","registerEventListeners","events","activate","on","e","data","attr","focus","originalEvent","preventDefault","subscribe","CONVERSATION_READ","CONTACT_REQUEST_ACCEPTED","CONTACT_REQUEST_DECLINED","init"],"mappings":"AAsBAA,OAAM,gCACN,CACI,QADJ,CAEI,gCAFJ,CAGI,aAHJ,CAII,oCAJJ,CADM,CAON,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKE,IACMC,CAAAA,CAAS,CAAG,CACZC,eAAe,CAAE,mCADL,CADlB,CAUMC,CAA6B,CAAG,SAASC,CAAT,CAAmB,CACnDL,CAAM,CAACM,OAAP,CAAeL,CAAmB,CAACM,iBAAnC,CAAsDF,CAAtD,CACH,CAZH,CAqBMG,CAAgC,CAAG,SAASC,CAAT,CAAiB,CACpD,MAAO,WAAW,IACVC,CAAAA,CAAc,CAAGD,CAAM,CAACE,IAAP,CAAYT,CAAS,CAACC,eAAtB,CADP,CAEVS,CAAK,CAAGC,QAAQ,CAACH,CAAc,CAACI,IAAf,EAAD,CAAwB,EAAxB,CAFN,CAId,GAAIC,KAAK,CAACH,CAAD,CAAT,CAAkB,CACdF,CAAc,CAACM,QAAf,CAAwB,QAAxB,CACH,CAFD,IAEO,IAAI,CAACJ,CAAD,EAAkB,CAAR,CAAAA,CAAd,CAAyB,CAC5BF,CAAc,CAACM,QAAf,CAAwB,QAAxB,CACH,CAFM,IAEA,CACHJ,CAAK,CAAGA,CAAK,CAAG,CAAhB,CACAF,CAAc,CAACI,IAAf,CAAoBF,CAApB,CACH,CACJ,CACJ,CAnCH,CA2CMK,CAAsB,CAAG,SAASR,CAAT,CAAiB,CAC1CV,CAAY,CAACF,MAAb,CAAoBY,CAApB,CAA4B,CAACV,CAAY,CAACmB,MAAb,CAAoBC,QAArB,CAA5B,EAEAV,CAAM,CAACW,EAAP,CAAUrB,CAAY,CAACmB,MAAb,CAAoBC,QAA9B,CAAwC,SAASE,CAAT,CAAYC,CAAZ,CAAkB,CACtDlB,CAA6B,CAACK,CAAM,CAACc,IAAP,CAAY,IAAZ,CAAD,CAA7B,CACAd,CAAM,CAACe,KAAP,GACAF,CAAI,CAACG,aAAL,CAAmBC,cAAnB,EACH,CAJD,EAMA1B,CAAM,CAAC2B,SAAP,CAAiB1B,CAAmB,CAAC2B,iBAArC,CAAwDpB,CAAgC,CAACC,CAAD,CAAxF,EACAT,CAAM,CAAC2B,SAAP,CAAiB1B,CAAmB,CAAC4B,wBAArC,CAA+DrB,CAAgC,CAACC,CAAD,CAA/F,EACAT,CAAM,CAAC2B,SAAP,CAAiB1B,CAAmB,CAAC6B,wBAArC,CAA+DtB,CAAgC,CAACC,CAAD,CAA/F,CACH,CAvDH,CAmEE,MAAO,CACHsB,IAAI,CANG,QAAPA,CAAAA,IAAO,CAAStB,CAAT,CAAiB,CACxBA,CAAM,CAAGX,CAAC,CAACW,CAAD,CAAV,CACAQ,CAAsB,CAACR,CAAD,CACzB,CAEM,CAGV,CAlFK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the message popover in the nav bar.\n *\n * @module     core_message/message_popover\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/pubsub',\n    'core_message/message_drawer_events'\n],\nfunction(\n    $,\n    CustomEvents,\n    PubSub,\n    MessageDrawerEvents\n) {\n    var SELECTORS = {\n        COUNT_CONTAINER: '[data-region=\"count-container\"]'\n    };\n\n    /**\n     * Toggle the message drawer visibility.\n     *\n     * @param {String} button The button id for the popover.\n     */\n    var toggleMessageDrawerVisibility = function(buttonid) {\n        PubSub.publish(MessageDrawerEvents.TOGGLE_VISIBILITY, buttonid);\n    };\n\n    /**\n     * Decrement the unread conversation count in the nav bar if a conversation\n     * is read. When there are no unread conversations then hide the counter.\n     *\n     * @param {Object} button The button element for the popover.\n     * @return {Function}\n     */\n    var handleDecrementConversationCount = function(button) {\n        return function() {\n            var countContainer = button.find(SELECTORS.COUNT_CONTAINER);\n            var count = parseInt(countContainer.text(), 10);\n\n            if (isNaN(count)) {\n                countContainer.addClass('hidden');\n            } else if (!count || count < 2) {\n                countContainer.addClass('hidden');\n            } else {\n                count = count - 1;\n                countContainer.text(count);\n            }\n        };\n    };\n\n    /**\n     * Add events listeners for when the popover icon is clicked and when conversations\n     * are read.\n     *\n     * @param {Object} button The button element for the popover.\n     */\n    var registerEventListeners = function(button) {\n        CustomEvents.define(button, [CustomEvents.events.activate]);\n\n        button.on(CustomEvents.events.activate, function(e, data) {\n            toggleMessageDrawerVisibility(button.attr('id'));\n            button.focus();\n            data.originalEvent.preventDefault();\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_READ, handleDecrementConversationCount(button));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, handleDecrementConversationCount(button));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, handleDecrementConversationCount(button));\n    };\n\n    /**\n     * Initialise the message popover.\n     *\n     * @param {Object} button The button element for the popover.\n     */\n    var init = function(button) {\n        button = $(button);\n        registerEventListeners(button);\n    };\n\n    return {\n        init: init,\n    };\n});\n"],"file":"message_popover.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_popover.min.js","sources":["../src/message_popover.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the message popover in the nav bar.\n *\n * @module     core_message/message_popover\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'core/pubsub',\n    'core_message/message_drawer_events'\n],\nfunction(\n    $,\n    CustomEvents,\n    PubSub,\n    MessageDrawerEvents\n) {\n    var SELECTORS = {\n        COUNT_CONTAINER: '[data-region=\"count-container\"]'\n    };\n\n    /**\n     * Toggle the message drawer visibility.\n     *\n     * @param {String} button The button id for the popover.\n     */\n    var toggleMessageDrawerVisibility = function(buttonid) {\n        PubSub.publish(MessageDrawerEvents.TOGGLE_VISIBILITY, buttonid);\n    };\n\n    /**\n     * Decrement the unread conversation count in the nav bar if a conversation\n     * is read. When there are no unread conversations then hide the counter.\n     *\n     * @param {Object} button The button element for the popover.\n     * @return {Function}\n     */\n    var handleDecrementConversationCount = function(button) {\n        return function() {\n            var countContainer = button.find(SELECTORS.COUNT_CONTAINER);\n            var count = parseInt(countContainer.text(), 10);\n\n            if (isNaN(count)) {\n                countContainer.addClass('hidden');\n            } else if (!count || count < 2) {\n                countContainer.addClass('hidden');\n            } else {\n                count = count - 1;\n                countContainer.text(count);\n            }\n        };\n    };\n\n    /**\n     * Add events listeners for when the popover icon is clicked and when conversations\n     * are read.\n     *\n     * @param {Object} button The button element for the popover.\n     */\n    var registerEventListeners = function(button) {\n        CustomEvents.define(button, [CustomEvents.events.activate]);\n\n        button.on(CustomEvents.events.activate, function(e, data) {\n            toggleMessageDrawerVisibility(button.attr('id'));\n            button.focus();\n            data.originalEvent.preventDefault();\n        });\n\n        PubSub.subscribe(MessageDrawerEvents.CONVERSATION_READ, handleDecrementConversationCount(button));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_ACCEPTED, handleDecrementConversationCount(button));\n        PubSub.subscribe(MessageDrawerEvents.CONTACT_REQUEST_DECLINED, handleDecrementConversationCount(button));\n    };\n\n    /**\n     * Initialise the message popover.\n     *\n     * @param {Object} button The button element for the popover.\n     */\n    var init = function(button) {\n        button = $(button);\n        registerEventListeners(button);\n    };\n\n    return {\n        init: init,\n    };\n});\n"],"names":["define","$","CustomEvents","PubSub","MessageDrawerEvents","SELECTORS","handleDecrementConversationCount","button","countContainer","find","count","parseInt","text","isNaN","addClass","registerEventListeners","events","activate","on","e","data","buttonid","attr","publish","TOGGLE_VISIBILITY","focus","originalEvent","preventDefault","subscribe","CONVERSATION_READ","CONTACT_REQUEST_ACCEPTED","CONTACT_REQUEST_DECLINED","init"],"mappings":";;;;;;;AAsBAA,sCACA,CACI,SACA,iCACA,cACA,uCAEJ,SACIC,EACAC,aACAC,OACAC,yBAEIC,0BACiB,kCAmBjBC,iCAAmC,SAASC,eACrC,eACCC,eAAiBD,OAAOE,KAAKJ,2BAC7BK,MAAQC,SAASH,eAAeI,OAAQ,IAExCC,MAAMH,SAEEA,OAASA,MAAQ,EADzBF,eAAeM,SAAS,WAIxBJ,OAAgB,EAChBF,eAAeI,KAAKF,UAW5BK,uBAAyB,SAASR,QAClCL,aAAaF,OAAOO,OAAQ,CAACL,aAAac,OAAOC,WAEjDV,OAAOW,GAAGhB,aAAac,OAAOC,UAAU,SAASE,EAAGC,MApCpB,IAASC,SAAAA,SAqCPd,OAAOe,KAAK,MApC9CnB,OAAOoB,QAAQnB,oBAAoBoB,kBAAmBH,UAqClDd,OAAOkB,QACPL,KAAKM,cAAcC,oBAGvBxB,OAAOyB,UAAUxB,oBAAoByB,kBAAmBvB,iCAAiCC,SACzFJ,OAAOyB,UAAUxB,oBAAoB0B,yBAA0BxB,iCAAiCC,SAChGJ,OAAOyB,UAAUxB,oBAAoB2B,yBAA0BzB,iCAAiCC,gBAa7F,CACHyB,KANO,SAASzB,QAChBA,OAASN,EAAEM,QACXQ,uBAAuBR"}
\ No newline at end of file
diff --git a/message/amd/build/message_preferences.min.js b/message/amd/build/message_preferences.min.js
index 3378a0d603f..c099ef943d1 100644
--- a/message/amd/build/message_preferences.min.js
+++ b/message/amd/build/message_preferences.min.js
@@ -1,2 +1,12 @@
-define ("core_message/message_preferences",["jquery","core/ajax","core/notification","core_message/message_notification_preference","core/custom_interaction_events"],function(a,b,c,d,e){var f={PREFERENCE:"[data-state]",PREFERENCES_CONTAINER:"[data-region=\"preferences-container\"]",CONTACTABLE_PRIVACY_CONTAINER:"[data-region=\"privacy-setting-container\"]"},g=function(b){this.root=a(b);this.userId=this.root.find(f.PREFERENCES_CONTAINER).attr("data-user-id");this.registerEventListeners()};g.prototype.preferencesDisabled=function(){return this.root.find(f.PREFERENCES_CONTAINER).hasClass("disabled")};g.prototype.saveContactablePrivacySetting=function(){var d=this.root.find(f.CONTACTABLE_PRIVACY_CONTAINER),e=a("input[type='radio']:checked").val();if(d.hasClass("loading")){return a.Deferred().resolve()}d.addClass("loading");var g={methodname:"core_user_update_user_preferences",args:{userid:this.userId,preferences:[{type:d.attr("data-preference-key"),value:e}]}};return b.call([g])[0].fail(c.exception).always(function(){d.removeClass("loading")})};g.prototype.registerEventListeners=function(){e.define(this.root,[e.events.activate]);this.root.on("change",function(b){if("message_blocknoncontacts"==b.target.name){this.saveContactablePrivacySetting()}else{if(!this.preferencesDisabled()){var c=a(b.target).closest(f.PREFERENCES_CONTAINER),e=a(b.target).closest(f.PREFERENCE),g=new d(c,this.userId);e.addClass("loading");g.save().always(function(){e.removeClass("loading")})}}}.bind(this))};return g});
-//# sourceMappingURL=message_preferences.min.js.map
+/**
+ * Controls the message preference page.
+ *
+ * @module     core_message/message_preferences
+ * @class      message_preferences
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_preferences",["jquery","core/ajax","core/notification","core_message/message_notification_preference","core/custom_interaction_events"],(function($,Ajax,Notification,MessageNotificationPreference,CustomEvents){var SELECTORS_PREFERENCE="[data-state]",SELECTORS_PREFERENCES_CONTAINER='[data-region="preferences-container"]',SELECTORS_CONTACTABLE_PRIVACY_CONTAINER='[data-region="privacy-setting-container"]',MessagePreferences=function(element){this.root=$(element),this.userId=this.root.find(SELECTORS_PREFERENCES_CONTAINER).attr("data-user-id"),this.registerEventListeners()};return MessagePreferences.prototype.preferencesDisabled=function(){return this.root.find(SELECTORS_PREFERENCES_CONTAINER).hasClass("disabled")},MessagePreferences.prototype.saveContactablePrivacySetting=function(){var container=this.root.find(SELECTORS_CONTACTABLE_PRIVACY_CONTAINER),value=$("input[type='radio']:checked").val();if(container.hasClass("loading"))return $.Deferred().resolve();container.addClass("loading");var request={methodname:"core_user_update_user_preferences",args:{userid:this.userId,preferences:[{type:container.attr("data-preference-key"),value:value}]}};return Ajax.call([request])[0].fail(Notification.exception).always((function(){container.removeClass("loading")}))},MessagePreferences.prototype.registerEventListeners=function(){CustomEvents.define(this.root,[CustomEvents.events.activate]),this.root.on("change",function(e){if("message_blocknoncontacts"==e.target.name)this.saveContactablePrivacySetting();else if(!this.preferencesDisabled()){var preferencesContainer=$(e.target).closest(SELECTORS_PREFERENCES_CONTAINER),preferenceElement=$(e.target).closest(SELECTORS_PREFERENCE),messagePreference=new MessageNotificationPreference(preferencesContainer,this.userId);preferenceElement.addClass("loading"),messagePreference.save().always((function(){preferenceElement.removeClass("loading")}))}}.bind(this))},MessagePreferences}));
+
+//# sourceMappingURL=message_preferences.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_preferences.min.js.map b/message/amd/build/message_preferences.min.js.map
index a83818bfdae..9cd8ceb3c14 100644
--- a/message/amd/build/message_preferences.min.js.map
+++ b/message/amd/build/message_preferences.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the message preference page.\n *\n * @module     core_message/message_preferences\n * @class      message_preferences\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification',\n        'core_message/message_notification_preference', 'core/custom_interaction_events'],\n        function($, Ajax, Notification, MessageNotificationPreference, CustomEvents) {\n\n    var SELECTORS = {\n        PREFERENCE: '[data-state]',\n        PREFERENCES_CONTAINER: '[data-region=\"preferences-container\"]',\n        CONTACTABLE_PRIVACY_CONTAINER: '[data-region=\"privacy-setting-container\"]',\n    };\n\n    /**\n     * Constructor for the MessagePreferences.\n     *\n     * @param {object} element The root element for the message preferences\n     */\n    var MessagePreferences = function(element) {\n        this.root = $(element);\n        this.userId = this.root.find(SELECTORS.PREFERENCES_CONTAINER).attr('data-user-id');\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Check if the preferences have been disabled on this page.\n     *\n     * @method preferencesDisabled\n     * @return {bool}\n     */\n    MessagePreferences.prototype.preferencesDisabled = function() {\n        return this.root.find(SELECTORS.PREFERENCES_CONTAINER).hasClass('disabled');\n    };\n\n    /**\n     * Update the contactable privacy user preference in the DOM and\n     * send a request to update on the server.\n     *\n     * @return {Promise}\n     * @method saveContactablePrivacySetting\n     */\n    MessagePreferences.prototype.saveContactablePrivacySetting = function() {\n        var container = this.root.find(SELECTORS.CONTACTABLE_PRIVACY_CONTAINER);\n        var value = $(\"input[type='radio']:checked\").val();\n\n        if (container.hasClass('loading')) {\n            return $.Deferred().resolve();\n        }\n\n        container.addClass('loading');\n\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: {\n                userid: this.userId,\n                preferences: [\n                    {\n                        type: container.attr('data-preference-key'),\n                        value: value,\n                    }\n                ]\n            }\n        };\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .always(function() {\n                container.removeClass('loading');\n            });\n    };\n\n    /**\n     * Create all of the event listeners for the message preferences page.\n     *\n     * @method registerEventListeners\n     */\n    MessagePreferences.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.root, [\n            CustomEvents.events.activate\n        ]);\n\n        this.root.on('change', function(e) {\n            // Add listener for privacy setting radio buttons change.\n            if (e.target.name == 'message_blocknoncontacts') {\n                this.saveContactablePrivacySetting();\n            } else {\n                // Add listener for processor preferences.\n                if (!this.preferencesDisabled()) {\n                    var preferencesContainer = $(e.target).closest(SELECTORS.PREFERENCES_CONTAINER);\n                    var preferenceElement = $(e.target).closest(SELECTORS.PREFERENCE);\n                    var messagePreference = new MessageNotificationPreference(preferencesContainer, this.userId);\n\n                    preferenceElement.addClass('loading');\n                    messagePreference.save().always(function() {\n                        preferenceElement.removeClass('loading');\n                    });\n                }\n            }\n        }.bind(this));\n    };\n\n    return MessagePreferences;\n});\n"],"file":"message_preferences.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_preferences.min.js","sources":["../src/message_preferences.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the message preference page.\n *\n * @module     core_message/message_preferences\n * @class      message_preferences\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification',\n        'core_message/message_notification_preference', 'core/custom_interaction_events'],\n        function($, Ajax, Notification, MessageNotificationPreference, CustomEvents) {\n\n    var SELECTORS = {\n        PREFERENCE: '[data-state]',\n        PREFERENCES_CONTAINER: '[data-region=\"preferences-container\"]',\n        CONTACTABLE_PRIVACY_CONTAINER: '[data-region=\"privacy-setting-container\"]',\n    };\n\n    /**\n     * Constructor for the MessagePreferences.\n     *\n     * @param {object} element The root element for the message preferences\n     */\n    var MessagePreferences = function(element) {\n        this.root = $(element);\n        this.userId = this.root.find(SELECTORS.PREFERENCES_CONTAINER).attr('data-user-id');\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Check if the preferences have been disabled on this page.\n     *\n     * @method preferencesDisabled\n     * @return {bool}\n     */\n    MessagePreferences.prototype.preferencesDisabled = function() {\n        return this.root.find(SELECTORS.PREFERENCES_CONTAINER).hasClass('disabled');\n    };\n\n    /**\n     * Update the contactable privacy user preference in the DOM and\n     * send a request to update on the server.\n     *\n     * @return {Promise}\n     * @method saveContactablePrivacySetting\n     */\n    MessagePreferences.prototype.saveContactablePrivacySetting = function() {\n        var container = this.root.find(SELECTORS.CONTACTABLE_PRIVACY_CONTAINER);\n        var value = $(\"input[type='radio']:checked\").val();\n\n        if (container.hasClass('loading')) {\n            return $.Deferred().resolve();\n        }\n\n        container.addClass('loading');\n\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: {\n                userid: this.userId,\n                preferences: [\n                    {\n                        type: container.attr('data-preference-key'),\n                        value: value,\n                    }\n                ]\n            }\n        };\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .always(function() {\n                container.removeClass('loading');\n            });\n    };\n\n    /**\n     * Create all of the event listeners for the message preferences page.\n     *\n     * @method registerEventListeners\n     */\n    MessagePreferences.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.root, [\n            CustomEvents.events.activate\n        ]);\n\n        this.root.on('change', function(e) {\n            // Add listener for privacy setting radio buttons change.\n            if (e.target.name == 'message_blocknoncontacts') {\n                this.saveContactablePrivacySetting();\n            } else {\n                // Add listener for processor preferences.\n                if (!this.preferencesDisabled()) {\n                    var preferencesContainer = $(e.target).closest(SELECTORS.PREFERENCES_CONTAINER);\n                    var preferenceElement = $(e.target).closest(SELECTORS.PREFERENCE);\n                    var messagePreference = new MessageNotificationPreference(preferencesContainer, this.userId);\n\n                    preferenceElement.addClass('loading');\n                    messagePreference.save().always(function() {\n                        preferenceElement.removeClass('loading');\n                    });\n                }\n            }\n        }.bind(this));\n    };\n\n    return MessagePreferences;\n});\n"],"names":["define","$","Ajax","Notification","MessageNotificationPreference","CustomEvents","SELECTORS","MessagePreferences","element","root","userId","this","find","attr","registerEventListeners","prototype","preferencesDisabled","hasClass","saveContactablePrivacySetting","container","value","val","Deferred","resolve","addClass","request","methodname","args","userid","preferences","type","call","fail","exception","always","removeClass","events","activate","on","e","target","name","preferencesContainer","closest","preferenceElement","messagePreference","save","bind"],"mappings":";;;;;;;;;AAwBAA,0CAAO,CAAC,SAAU,YAAa,oBACvB,+CAAgD,mCAChD,SAASC,EAAGC,KAAMC,aAAcC,8BAA+BC,kBAE/DC,qBACY,eADZA,gCAEuB,wCAFvBA,wCAG+B,4CAQ/BC,mBAAqB,SAASC,cACzBC,KAAOR,EAAEO,cACTE,OAASC,KAAKF,KAAKG,KAAKN,iCAAiCO,KAAK,qBAE9DC,iCASTP,mBAAmBQ,UAAUC,oBAAsB,kBACxCL,KAAKF,KAAKG,KAAKN,iCAAiCW,SAAS,aAUpEV,mBAAmBQ,UAAUG,8BAAgC,eACrDC,UAAYR,KAAKF,KAAKG,KAAKN,yCAC3Bc,MAAQnB,EAAE,+BAA+BoB,SAEzCF,UAAUF,SAAS,kBACZhB,EAAEqB,WAAWC,UAGxBJ,UAAUK,SAAS,eAEfC,QAAU,CACVC,WAAY,oCACZC,KAAM,CACFC,OAAQjB,KAAKD,OACbmB,YAAa,CACT,CACIC,KAAMX,UAAUN,KAAK,uBACrBO,MAAOA,iBAMhBlB,KAAK6B,KAAK,CAACN,UAAU,GACvBO,KAAK7B,aAAa8B,WAClBC,QAAO,WACJf,UAAUgB,YAAY,eASlC5B,mBAAmBQ,UAAUD,uBAAyB,WAClDT,aAAaL,OAAOW,KAAKF,KAAM,CAC3BJ,aAAa+B,OAAOC,gBAGnB5B,KAAK6B,GAAG,SAAU,SAASC,MAEP,4BAAjBA,EAAEC,OAAOC,UACJvB,yCAGAP,KAAKK,sBAAuB,KACzB0B,qBAAuBzC,EAAEsC,EAAEC,QAAQG,QAAQrC,iCAC3CsC,kBAAoB3C,EAAEsC,EAAEC,QAAQG,QAAQrC,sBACxCuC,kBAAoB,IAAIzC,8BAA8BsC,qBAAsB/B,KAAKD,QAErFkC,kBAAkBpB,SAAS,WAC3BqB,kBAAkBC,OAAOZ,QAAO,WAC5BU,kBAAkBT,YAAY,gBAI5CY,KAAKpC,QAGJJ"}
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diff --git a/message/amd/build/message_repository.min.js b/message/amd/build/message_repository.min.js
index 12a1412952c..6f81d87d058 100644
--- a/message/amd/build/message_repository.min.js
+++ b/message/amd/build/message_repository.min.js
@@ -1,2 +1,12 @@
-define ("core_message/message_repository",["jquery","core/ajax","core/notification","core_message/message_drawer_view_conversation_constants"],function(a,b,c,d){var e=d.CONVERSATION_TYPES,f=function(a,c){var d=c.map(function(b){return{touserid:a,text:b}});return b.call([{methodname:"core_message_send_instant_messages",args:{messages:d}}])[0].then(function(a){var b=a.reduce(function(a,b){if(b.errormessage){a.push(b.errormessage)}return a},[]);if(b.length){throw new Error(b.join("\n"))}return a}).then(function(a){return a.map(function(a){return{id:a.msgid,text:a.text,timecreated:a.timecreated,useridfrom:a.useridfrom,conversationid:a.conversationid,candeletemessagesforallusers:a.candeletemessagesforallusers}})})},g=function(a,c){var d=c.map(function(a){return{text:a}});return b.call([{methodname:"core_message_send_messages_to_conversation",args:{conversationid:a,messages:d}}])[0]};return{query:function query(a){if("undefined"==typeof a.limit){a.limit=0}if("undefined"==typeof a.offset){a.offset=0}if("undefined"==typeof a.type){a.type=null}if("undefined"==typeof a.favouritesonly){a.favouritesonly=!1}a.limitfrom=a.offset;a.limitnum=a.limit;delete a.limit;delete a.offset;var d=b.call([{methodname:"core_message_data_for_messagearea_conversations",args:a}])[0];d.fail(c.exception);return d},countUnreadConversations:function countUnreadConversations(a){var d=b.call([{methodname:"core_message_get_unread_conversations_count",args:a}])[0];d.fail(c.exception);return d},markAllAsRead:function markAllAsRead(a){var d=b.call([{methodname:"core_message_mark_all_messages_as_read",args:a}])[0];d.fail(c.exception);return d},getContacts:function getContacts(a,c,d){var e={userid:a};if("undefined"!=typeof c){e.limitnum=c}if("undefined"!=typeof d){e.limitfrom=d}return b.call([{methodname:"core_message_get_user_contacts",args:e}])[0]},getProfile:function getProfile(a,c){return b.call([{methodname:"core_message_data_for_messagearea_get_profile",args:{currentuserid:a,otheruserid:c}}])[0]},blockUser:function blockUser(c,d){return a.when.apply(null,b.call([{methodname:"core_message_block_user",args:{userid:c,blockeduserid:d}},{methodname:"core_message_get_member_info",args:{referenceuserid:c,userids:[d],includecontactrequests:!0,includeprivacyinfo:!0}}])).then(function(a,b){return b.length?b[0]:{}})},unblockUser:function unblockUser(c,d){return a.when.apply(null,b.call([{methodname:"core_message_unblock_user",args:{userid:c,unblockeduserid:d}},{methodname:"core_message_get_member_info",args:{referenceuserid:c,userids:[d],includecontactrequests:!0,includeprivacyinfo:!0}}])).then(function(a,b){return b.length?b[0]:{}})},createContactRequest:function createContactRequest(a,c){return b.call([{methodname:"core_message_create_contact_request",args:{userid:a,requesteduserid:c}}])[0]},deleteContacts:function deleteContacts(c,d){return a.when.apply(null,b.call([{methodname:"core_message_delete_contacts",args:{userid:c,userids:d}},{methodname:"core_message_get_member_info",args:{referenceuserid:c,userids:d,includecontactrequests:!0,includeprivacyinfo:!0}}])).then(function(a,b){return b})},getMessages:function getMessages(a,c,d,e,f,g){var h={currentuserid:a,convid:c,newest:f?!0:!1};if("undefined"!=typeof d){h.limitnum=d}if("undefined"!=typeof e){h.limitfrom=e}if("undefined"!=typeof g){h.timefrom=g}return b.call([{methodname:"core_message_get_conversation_messages",args:h}])[0]},searchUsers:function searchUsers(a,c,d,e){var f={userid:a,search:c};if("undefined"!=typeof d){f.limitnum=d}if("undefined"!=typeof e){f.limitfrom=e}return b.call([{methodname:"core_message_message_search_users",args:f}])[0]},searchMessages:function searchMessages(a,c,d,e){var f={userid:a,search:c};if("undefined"!=typeof d){f.limitnum=d}if("undefined"!=typeof e){f.limitfrom=e}return b.call([{methodname:"core_message_data_for_messagearea_search_messages",args:f}])[0]},sendMessagesToUser:f,sendMessageToUser:function sendMessageToUser(a,b){return f(a,[b]).then(function(a){return a[0]})},sendMessagesToConversation:g,sendMessageToConversation:function sendMessageToConversation(a,b){return g(a,[b]).then(function(a){return a[0]})},savePreferences:function savePreferences(a,c){return b.call([{methodname:"core_user_update_user_preferences",args:{userid:a,preferences:c}}])[0]},getPreferences:function getPreferences(a){return b.call([{methodname:"core_user_get_user_preferences",args:{userid:a}}])[0]},deleteMessages:function deleteMessages(c,d){return a.when.apply(null,b.call(d.map(function(a){return{methodname:"core_message_delete_message",args:{messageid:a,userid:c}}})))},deleteMessagesForAllUsers:function deleteMessagesForAllUsers(c,d){return a.when.apply(null,b.call(d.map(function(a){return{methodname:"core_message_delete_message_for_all_users",args:{messageid:a,userid:c}}})))},deleteConversation:function deleteConversation(a,c){return b.call([{methodname:"core_message_delete_conversations_by_id",args:{userid:a,conversationids:[c]}}])[0]},getContactRequests:function getContactRequests(a){return b.call([{methodname:"core_message_get_contact_requests",args:{userid:a}}])[0]},acceptContactRequest:function acceptContactRequest(c,d){return a.when.apply(null,b.call([{methodname:"core_message_confirm_contact_request",args:{userid:c,requesteduserid:d}},{methodname:"core_message_get_member_info",args:{referenceuserid:d,userids:[c],includecontactrequests:!0,includeprivacyinfo:!0}}])).then(function(a,b){return b.length?b[0]:{}})},declineContactRequest:function declineContactRequest(c,d){return a.when.apply(null,b.call([{methodname:"core_message_decline_contact_request",args:{userid:c,requesteduserid:d}},{methodname:"core_message_get_member_info",args:{referenceuserid:d,userids:[c],includecontactrequests:!0,includeprivacyinfo:!0}}])).then(function(a,b){return b.length?b[0]:{}})},getConversation:function getConversation(a,c,d,e,f,g,h,i,j){var k={userid:a,conversationid:c};if("undefined"!=typeof d&&null!==d){k.includecontactrequests=d}if("undefined"!=typeof e&&null!==e){k.includeprivacyinfo=e}if("undefined"!=typeof f&&null!==f){k.memberlimit=f}if("undefined"!=typeof g&&null!==g){k.memberoffset=g}if("undefined"!=typeof h&&null!==h){k.messagelimit=h}if("undefined"!=typeof i&&null!==i){k.messageoffset=i}if("undefined"!=typeof j&&null!==j){k.newestmessagesfirst=j}return b.call([{methodname:"core_message_get_conversation",args:k}])[0]},getConversationBetweenUsers:function getConversationBetweenUsers(a,c,d,e,f,g,h,i,j){var k={userid:a,otheruserid:c};if("undefined"!=typeof d&&null!==d){k.includecontactrequests=d}if("undefined"!=typeof e&&null!==e){k.includeprivacyinfo=e}if("undefined"!=typeof f&&null!==f){k.memberlimit=f}if("undefined"!=typeof g&&null!==g){k.memberoffset=g}if("undefined"!=typeof h&&null!==h){k.messagelimit=h}if("undefined"!=typeof i&&null!==i){k.messageoffset=i}if("undefined"!=typeof j&&null!==j){k.newestmessagesfirst=j}return b.call([{methodname:"core_message_get_conversation_between_users",args:k}])[0]},getSelfConversation:function getSelfConversation(a,c,d,e){var f={userid:a};if("undefined"!=typeof c&&null!==c){f.messagelimit=c}if("undefined"!=typeof d&&null!==d){f.messageoffset=d}if("undefined"!=typeof e&&null!==e){f.newestmessagesfirst=e}return b.call([{methodname:"core_message_get_self_conversation",args:f}])[0]},getConversations:function getConversations(a,c,d,f,g,h){var i={userid:a,type:c};if("undefined"!=typeof d&&null!==d){i.limitnum=d}if("undefined"!=typeof f&&null!==f){i.limitfrom=f}if("undefined"!=typeof g&&null!==g){i.favourites=g}if("undefined"!=typeof h&&null!==h){i.mergeself=h}return b.call([{methodname:"core_message_get_conversations",args:i}])[0].then(function(a){if(a.conversations.length){a.conversations=a.conversations.map(function(a){if(a.type==e.PRIVATE||a.type==e.SELF){var b=a.members.length?a.members[0]:null;if(b){a.name=a.name?a.name:b.fullname;a.imageurl=a.imageurl?a.imageurl:b.profileimageurl}}return a})}return a})},getConversationMembers:function getConversationMembers(a,c,d,e,f){var g={userid:c,conversationid:a};if("undefined"!=typeof d&&null!==d){g.limitnum=d}if("undefined"!=typeof e&&null!==e){g.limitfrom=e}if("undefined"!=typeof f&&null!==f){g.includecontactrequests=f}return b.call([{methodname:"core_message_get_conversation_members",args:g}])[0]},setFavouriteConversations:function setFavouriteConversations(a,c){return b.call([{methodname:"core_message_set_favourite_conversations",args:{userid:a,conversations:c}}])[0]},setMutedConversations:function setMutedConversations(a,c){return b.call([{methodname:"core_message_mute_conversations",args:{userid:a,conversationids:c}}])[0]},unsetFavouriteConversations:function unsetFavouriteConversations(a,c){return b.call([{methodname:"core_message_unset_favourite_conversations",args:{userid:a,conversations:c}}])[0]},unsetMutedConversations:function unsetMutedConversations(a,c){return b.call([{methodname:"core_message_unmute_conversations",args:{userid:a,conversationids:c}}])[0]},getMemberInfo:function getMemberInfo(a,c,d,e){var f={referenceuserid:a,userids:c};if("undefined"!=typeof d){f.includecontactrequests=d}if("undefined"!=typeof e){f.includeprivacyinfo=e}return b.call([{methodname:"core_message_get_member_info",args:f}])[0]},markAllConversationMessagesAsRead:function markAllConversationMessagesAsRead(a,c){return b.call([{methodname:"core_message_mark_all_conversation_messages_as_read",args:{userid:a,conversationid:c}}])[0]},getUserMessagePreferences:function getUserMessagePreferences(a){return b.call([{methodname:"core_message_get_user_message_preferences",args:{userid:a}}])[0]},getTotalConversationCounts:function getTotalConversationCounts(a){return b.call([{methodname:"core_message_get_conversation_counts",args:{userid:a}}])[0]},getUnreadConversationCounts:function getUnreadConversationCounts(a){return b.call([{methodname:"core_message_get_unread_conversation_counts",args:{userid:a}}])[0]},getAllConversationCounts:function getAllConversationCounts(c){return a.when.apply(null,b.call([{methodname:"core_message_get_conversation_counts",args:{userid:c}},{methodname:"core_message_get_unread_conversation_counts",args:{userid:c}}])).then(function(a,b){return{total:a,unread:b}})}}});
-//# sourceMappingURL=message_repository.min.js.map
+/**
+ * Retrieves messages from the server.
+ *
+ * @module     core_message/message_repository
+ * @class      message_repository
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_repository",["jquery","core/ajax","core/notification","core_message/message_drawer_view_conversation_constants"],(function($,Ajax,Notification,Constants){var CONVERSATION_TYPES=Constants.CONVERSATION_TYPES,sendMessagesToUser=function(toUserId,messages){var request={methodname:"core_message_send_instant_messages",args:{messages:messages.map((function(message){return{touserid:toUserId,text:message}}))}};return Ajax.call([request])[0].then((function(results){var errors=results.reduce((function(carry,result){return result.errormessage&&carry.push(result.errormessage),carry}),[]);if(errors.length)throw new Error(errors.join("\n"));return results})).then((function(results){return results.map((function(result){return{id:result.msgid,text:result.text,timecreated:result.timecreated,useridfrom:result.useridfrom,conversationid:result.conversationid,candeletemessagesforallusers:result.candeletemessagesforallusers}}))}))},sendMessagesToConversation=function(conversationId,messages){var request={methodname:"core_message_send_messages_to_conversation",args:{conversationid:conversationId,messages:messages.map((function(message){return{text:message}}))}};return Ajax.call([request])[0]};return{query:function(args){void 0===args.limit&&(args.limit=0),void 0===args.offset&&(args.offset=0),void 0===args.type&&(args.type=null),void 0===args.favouritesonly&&(args.favouritesonly=!1),args.limitfrom=args.offset,args.limitnum=args.limit,delete args.limit,delete args.offset;var request={methodname:"core_message_data_for_messagearea_conversations",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise},countUnreadConversations:function(args){var request={methodname:"core_message_get_unread_conversations_count",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise},markAllAsRead:function(args){var request={methodname:"core_message_mark_all_messages_as_read",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise},getContacts:function(userId,limit,offset){var args={userid:userId};void 0!==limit&&(args.limitnum=limit),void 0!==offset&&(args.limitfrom=offset);var request={methodname:"core_message_get_user_contacts",args:args};return Ajax.call([request])[0]},getProfile:function(userId,profileUserId){var request={methodname:"core_message_data_for_messagearea_get_profile",args:{currentuserid:userId,otheruserid:profileUserId}};return Ajax.call([request])[0]},blockUser:function(userId,blockedUserId){var requests=[{methodname:"core_message_block_user",args:{userid:userId,blockeduserid:blockedUserId}},{methodname:"core_message_get_member_info",args:{referenceuserid:userId,userids:[blockedUserId],includecontactrequests:!0,includeprivacyinfo:!0}}];return $.when.apply(null,Ajax.call(requests)).then((function(reponse1,profiles){return profiles.length?profiles[0]:{}}))},unblockUser:function(userId,unblockedUserId){var requests=[{methodname:"core_message_unblock_user",args:{userid:userId,unblockeduserid:unblockedUserId}},{methodname:"core_message_get_member_info",args:{referenceuserid:userId,userids:[unblockedUserId],includecontactrequests:!0,includeprivacyinfo:!0}}];return $.when.apply(null,Ajax.call(requests)).then((function(reponse1,profiles){return profiles.length?profiles[0]:{}}))},createContactRequest:function(userId,requestUserIds){var request={methodname:"core_message_create_contact_request",args:{userid:userId,requesteduserid:requestUserIds}};return Ajax.call([request])[0]},deleteContacts:function(userId,contactUserIds){var requests=[{methodname:"core_message_delete_contacts",args:{userid:userId,userids:contactUserIds}},{methodname:"core_message_get_member_info",args:{referenceuserid:userId,userids:contactUserIds,includecontactrequests:!0,includeprivacyinfo:!0}}];return $.when.apply(null,Ajax.call(requests)).then((function(response1,profiles){return profiles}))},getMessages:function(currentUserId,conversationId,limit,offset,newestFirst,timeFrom){var args={currentuserid:currentUserId,convid:conversationId,newest:!!newestFirst};void 0!==limit&&(args.limitnum=limit),void 0!==offset&&(args.limitfrom=offset),void 0!==timeFrom&&(args.timefrom=timeFrom);var request={methodname:"core_message_get_conversation_messages",args:args};return Ajax.call([request])[0]},searchUsers:function(userId,searchString,limit,offset){var args={userid:userId,search:searchString};void 0!==limit&&(args.limitnum=limit),void 0!==offset&&(args.limitfrom=offset);var request={methodname:"core_message_message_search_users",args:args};return Ajax.call([request])[0]},searchMessages:function(userId,searchString,limit,offset){var args={userid:userId,search:searchString};void 0!==limit&&(args.limitnum=limit),void 0!==offset&&(args.limitfrom=offset);var request={methodname:"core_message_data_for_messagearea_search_messages",args:args};return Ajax.call([request])[0]},sendMessagesToUser:sendMessagesToUser,sendMessageToUser:function(toUserId,text){return sendMessagesToUser(toUserId,[text]).then((function(results){return results[0]}))},sendMessagesToConversation:sendMessagesToConversation,sendMessageToConversation:function(conversationId,text){return sendMessagesToConversation(conversationId,[text]).then((function(result){return result[0]}))},savePreferences:function(userId,preferences){var request={methodname:"core_user_update_user_preferences",args:{userid:userId,preferences:preferences}};return Ajax.call([request])[0]},getPreferences:function(userId){var request={methodname:"core_user_get_user_preferences",args:{userid:userId}};return Ajax.call([request])[0]},deleteMessages:function(userId,messageIds){return $.when.apply(null,Ajax.call(messageIds.map((function(messageId){return{methodname:"core_message_delete_message",args:{messageid:messageId,userid:userId}}}))))},deleteMessagesForAllUsers:function(userId,messageIds){return $.when.apply(null,Ajax.call(messageIds.map((function(messageId){return{methodname:"core_message_delete_message_for_all_users",args:{messageid:messageId,userid:userId}}}))))},deleteConversation:function(userId,conversationId){var request={methodname:"core_message_delete_conversations_by_id",args:{userid:userId,conversationids:[conversationId]}};return Ajax.call([request])[0]},getContactRequests:function(userId){var request={methodname:"core_message_get_contact_requests",args:{userid:userId}};return Ajax.call([request])[0]},acceptContactRequest:function(sendingUserId,recipientUserId){var requests=[{methodname:"core_message_confirm_contact_request",args:{userid:sendingUserId,requesteduserid:recipientUserId}},{methodname:"core_message_get_member_info",args:{referenceuserid:recipientUserId,userids:[sendingUserId],includecontactrequests:!0,includeprivacyinfo:!0}}];return $.when.apply(null,Ajax.call(requests)).then((function(reponse1,profiles){return profiles.length?profiles[0]:{}}))},declineContactRequest:function(sendingUserId,recipientUserId){var requests=[{methodname:"core_message_decline_contact_request",args:{userid:sendingUserId,requesteduserid:recipientUserId}},{methodname:"core_message_get_member_info",args:{referenceuserid:recipientUserId,userids:[sendingUserId],includecontactrequests:!0,includeprivacyinfo:!0}}];return $.when.apply(null,Ajax.call(requests)).then((function(reponse1,profiles){return profiles.length?profiles[0]:{}}))},getConversation:function(loggedInUserId,conversationId,includeContactRequests,includePrivacyInfo,memberLimit,memberOffset,messageLimit,messageOffset,newestMessagesFirst){var args={userid:loggedInUserId,conversationid:conversationId};null!=includeContactRequests&&(args.includecontactrequests=includeContactRequests),null!=includePrivacyInfo&&(args.includeprivacyinfo=includePrivacyInfo),null!=memberLimit&&(args.memberlimit=memberLimit),null!=memberOffset&&(args.memberoffset=memberOffset),null!=messageLimit&&(args.messagelimit=messageLimit),null!=messageOffset&&(args.messageoffset=messageOffset),null!=newestMessagesFirst&&(args.newestmessagesfirst=newestMessagesFirst);var request={methodname:"core_message_get_conversation",args:args};return Ajax.call([request])[0]},getConversationBetweenUsers:function(loggedInUserId,otherUserId,includeContactRequests,includePrivacyInfo,memberLimit,memberOffset,messageLimit,messageOffset,newestMessagesFirst){var args={userid:loggedInUserId,otheruserid:otherUserId};null!=includeContactRequests&&(args.includecontactrequests=includeContactRequests),null!=includePrivacyInfo&&(args.includeprivacyinfo=includePrivacyInfo),null!=memberLimit&&(args.memberlimit=memberLimit),null!=memberOffset&&(args.memberoffset=memberOffset),null!=messageLimit&&(args.messagelimit=messageLimit),null!=messageOffset&&(args.messageoffset=messageOffset),null!=newestMessagesFirst&&(args.newestmessagesfirst=newestMessagesFirst);var request={methodname:"core_message_get_conversation_between_users",args:args};return Ajax.call([request])[0]},getSelfConversation:function(loggedInUserId,messageLimit,messageOffset,newestMessagesFirst){var args={userid:loggedInUserId};null!=messageLimit&&(args.messagelimit=messageLimit),null!=messageOffset&&(args.messageoffset=messageOffset),null!=newestMessagesFirst&&(args.newestmessagesfirst=newestMessagesFirst);var request={methodname:"core_message_get_self_conversation",args:args};return Ajax.call([request])[0]},getConversations:function(userId,type,limit,offset,favourites,mergeself){var args={userid:userId,type:type};null!=limit&&(args.limitnum=limit),null!=offset&&(args.limitfrom=offset),null!=favourites&&(args.favourites=favourites),null!=mergeself&&(args.mergeself=mergeself);var request={methodname:"core_message_get_conversations",args:args};return Ajax.call([request])[0].then((function(result){return result.conversations.length&&(result.conversations=result.conversations.map((function(conversation){if(conversation.type==CONVERSATION_TYPES.PRIVATE||conversation.type==CONVERSATION_TYPES.SELF){var otherUser=conversation.members.length?conversation.members[0]:null;otherUser&&(conversation.name=conversation.name?conversation.name:otherUser.fullname,conversation.imageurl=conversation.imageurl?conversation.imageurl:otherUser.profileimageurl)}return conversation}))),result}))},getConversationMembers:function(conversationId,loggedInUserId,limit,offset,includeContactRequests){var args={userid:loggedInUserId,conversationid:conversationId};null!=limit&&(args.limitnum=limit),null!=offset&&(args.limitfrom=offset),null!=includeContactRequests&&(args.includecontactrequests=includeContactRequests);var request={methodname:"core_message_get_conversation_members",args:args};return Ajax.call([request])[0]},setFavouriteConversations:function(userId,conversationIds){var request={methodname:"core_message_set_favourite_conversations",args:{userid:userId,conversations:conversationIds}};return Ajax.call([request])[0]},setMutedConversations:function(userId,conversationIds){var request={methodname:"core_message_mute_conversations",args:{userid:userId,conversationids:conversationIds}};return Ajax.call([request])[0]},unsetFavouriteConversations:function(userId,conversationIds){var request={methodname:"core_message_unset_favourite_conversations",args:{userid:userId,conversations:conversationIds}};return Ajax.call([request])[0]},unsetMutedConversations:function(userId,conversationIds){var request={methodname:"core_message_unmute_conversations",args:{userid:userId,conversationids:conversationIds}};return Ajax.call([request])[0]},getMemberInfo:function(referenceUserId,userIds,includeContactRequests,includePrivacyInfo){var args={referenceuserid:referenceUserId,userids:userIds};void 0!==includeContactRequests&&(args.includecontactrequests=includeContactRequests),void 0!==includePrivacyInfo&&(args.includeprivacyinfo=includePrivacyInfo);var request={methodname:"core_message_get_member_info",args:args};return Ajax.call([request])[0]},markAllConversationMessagesAsRead:function(userId,conversationId){var request={methodname:"core_message_mark_all_conversation_messages_as_read",args:{userid:userId,conversationid:conversationId}};return Ajax.call([request])[0]},getUserMessagePreferences:function(userId){var request={methodname:"core_message_get_user_message_preferences",args:{userid:userId}};return Ajax.call([request])[0]},getTotalConversationCounts:function(userId){var request={methodname:"core_message_get_conversation_counts",args:{userid:userId}};return Ajax.call([request])[0]},getUnreadConversationCounts:function(userId){var request={methodname:"core_message_get_unread_conversation_counts",args:{userid:userId}};return Ajax.call([request])[0]},getAllConversationCounts:function(userId){var requests=[{methodname:"core_message_get_conversation_counts",args:{userid:userId}},{methodname:"core_message_get_unread_conversation_counts",args:{userid:userId}}];return $.when.apply(null,Ajax.call(requests)).then((function(total,unread){return{total:total,unread:unread}}))}}}));
+
+//# sourceMappingURL=message_repository.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_repository.min.js.map b/message/amd/build/message_repository.min.js.map
index f2f971001db..34e38cf57f9 100644
--- a/message/amd/build/message_repository.min.js.map
+++ b/message/amd/build/message_repository.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Retrieves messages from the server.\n *\n * @module     core_message/message_repository\n * @class      message_repository\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core_message/message_drawer_view_conversation_constants'\n], function(\n    $,\n    Ajax,\n    Notification,\n    Constants) {\n\n    var CONVERSATION_TYPES = Constants.CONVERSATION_TYPES;\n\n    /**\n     * Retrieve a list of messages from the server.\n     *\n     * @param {object} args The request arguments:\n     * @return {object} jQuery promise\n     */\n    var query = function(args) {\n        // Normalise the arguments to use limit/offset rather than limitnum/limitfrom.\n        if (typeof args.limit === 'undefined') {\n            args.limit = 0;\n        }\n\n        if (typeof args.offset === 'undefined') {\n            args.offset = 0;\n        }\n\n        if (typeof args.type === 'undefined') {\n            args.type = null;\n        }\n\n        if (typeof args.favouritesonly === 'undefined') {\n            args.favouritesonly = false;\n        }\n\n        args.limitfrom = args.offset;\n        args.limitnum = args.limit;\n\n        delete args.limit;\n        delete args.offset;\n\n        var request = {\n            methodname: 'core_message_data_for_messagearea_conversations',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Count the number of unread conversations (one or more messages from a user)\n     * for a given user.\n     *\n     * @param {object} args The request arguments:\n     * @return {object} jQuery promise\n     */\n    var countUnreadConversations = function(args) {\n        var request = {\n            methodname: 'core_message_get_unread_conversations_count',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Mark all of unread messages for a user as read.\n     *\n     * @param {object} args The request arguments:\n     * @return {object} jQuery promise\n     */\n    var markAllAsRead = function(args) {\n        var request = {\n            methodname: 'core_message_mark_all_messages_as_read',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Get contacts for given user.\n     *\n     * @param {int} userId The user id\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @return {object} jQuery promise\n     */\n    var getContacts = function(userId, limit, offset) {\n        var args = {\n            userid: userId\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.limitfrom = offset;\n        }\n\n        var request = {\n            methodname: 'core_message_get_user_contacts',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Request profile information as a user for a given user.\n     *\n     * @param {int} userId The requesting user\n     * @param {int} profileUserId The id of the user who's profile is being requested\n     * @return {object} jQuery promise\n     */\n    var getProfile = function(userId, profileUserId) {\n        var request = {\n            methodname: 'core_message_data_for_messagearea_get_profile',\n            args: {\n                currentuserid: userId,\n                otheruserid: profileUserId\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Block a user.\n     *\n     * @param {int} userId The requesting user\n     * @param {int} blockedUserId Id of user to block\n     * @return {object} jQuery promise\n     */\n    var blockUser = function(userId, blockedUserId) {\n        var requests = [\n            {\n                methodname: 'core_message_block_user',\n                args: {\n                    userid: userId,\n                    blockeduserid: blockedUserId\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: userId,\n                    userids: [blockedUserId],\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        // Wrap both requests in a single promise so that we can catch an error\n        // from either request.\n        return $.when.apply(null, Ajax.call(requests)).then(function(reponse1, profiles) {\n            // Only return the profile.\n            return profiles.length ? profiles[0] : {};\n        });\n    };\n\n    /**\n     * Unblock a user.\n     *\n     * @param {int} userId The requesting user\n     * @param {int} unblockedUserId Id of user to unblock\n     * @return {object} jQuery promise\n     */\n    var unblockUser = function(userId, unblockedUserId) {\n        var requests = [\n            {\n                methodname: 'core_message_unblock_user',\n                args: {\n                    userid: userId,\n                    unblockeduserid: unblockedUserId\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: userId,\n                    userids: [unblockedUserId],\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        // Wrap both requests in a single promise so that we can catch an error\n        // from either request.\n        return $.when.apply(null, Ajax.call(requests)).then(function(reponse1, profiles) {\n            // Only return the profile.\n            return profiles.length ? profiles[0] : {};\n        });\n    };\n\n    /**\n     * Create a request to add a user as a contact.\n     *\n     * @param {int} userId The requesting user\n     * @param {int[]} requestUserIds List of user ids to add\n     * @return {object} jQuery promise\n     */\n    var createContactRequest = function(userId, requestUserIds) {\n        var request = {\n            methodname: 'core_message_create_contact_request',\n            args: {\n                userid: userId,\n                requesteduserid: requestUserIds\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Remove a list of users as contacts.\n     *\n     * @param {int} userId The requesting user\n     * @param {int[]} contactUserIds List of user ids to add\n     * @return {object} jQuery promise\n     */\n    var deleteContacts = function(userId, contactUserIds) {\n        var requests = [\n            {\n                methodname: 'core_message_delete_contacts',\n                args: {\n                    userid: userId,\n                    userids: contactUserIds\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: userId,\n                    userids: contactUserIds,\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        return $.when.apply(null, Ajax.call(requests)).then(function(response1, profiles) {\n            // Return all of the profiles as an array.\n            return profiles;\n        });\n    };\n\n    /**\n     * Get messages between two users.\n     *\n     * @param {int} currentUserId The requesting user\n     * @param {int} conversationId Other user in the conversation\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @param {bool} newestFirst Order results by newest first\n     * @param {int} timeFrom Only return messages after this timestamp\n     * @return {object} jQuery promise\n     */\n    var getMessages = function(currentUserId, conversationId, limit, offset, newestFirst, timeFrom) {\n        var args = {\n            currentuserid: currentUserId,\n            convid: conversationId,\n            newest: newestFirst ? true : false\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.limitfrom = offset;\n        }\n\n        if (typeof timeFrom !== 'undefined') {\n            args.timefrom = timeFrom;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversation_messages',\n            args: args\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Search for users.\n     *\n     * @param {int} userId The requesting user\n     * @param {string} searchString Search string\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @return {object} jQuery promise\n     */\n    var searchUsers = function(userId, searchString, limit, offset) {\n        var args = {\n            userid: userId,\n            search: searchString\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.limitfrom = offset;\n        }\n\n        var request = {\n            methodname: 'core_message_message_search_users',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Search for messages.\n     *\n     * @param {int} userId The requesting user\n     * @param {string} searchString Search string\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @return {object} jQuery promise\n     */\n    var searchMessages = function(userId, searchString, limit, offset) {\n        var args = {\n            userid: userId,\n            search: searchString\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.limitfrom = offset;\n        }\n\n        var request = {\n            methodname: 'core_message_data_for_messagearea_search_messages',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Send a list of messages to a user.\n     *\n     * @param {int} toUserId The recipient user id\n     * @param {string[]} messages List of messages to send\n     * @return {object} jQuery promise\n     */\n    var sendMessagesToUser = function(toUserId, messages) {\n        var formattedMessages = messages.map(function(message) {\n            return {\n                touserid: toUserId,\n                text: message\n            };\n        });\n        var request = {\n            methodname: 'core_message_send_instant_messages',\n            args: {\n                messages: formattedMessages\n            }\n        };\n\n        return Ajax.call([request])[0]\n            .then(function(results) {\n                // Error handling for the weird way the old function works.\n                var errors = results.reduce(function(carry, result) {\n                    if (result.errormessage) {\n                        carry.push(result.errormessage);\n                    }\n\n                    return carry;\n                }, []);\n                if (errors.length) {\n                    throw new Error(errors.join(\"\\n\"));\n                }\n\n                return results;\n            })\n            .then(function(results) {\n                // Format the results to match the other send message function.\n                return results.map(function(result) {\n                    return {\n                        id: result.msgid,\n                        text: result.text,\n                        timecreated: result.timecreated,\n                        useridfrom: result.useridfrom,\n                        conversationid: result.conversationid,\n                        candeletemessagesforallusers: result.candeletemessagesforallusers\n                    };\n                });\n            });\n    };\n\n    /**\n     * Send a single message to a user.\n     *\n     * @param {int} toUserId The recipient user id\n     * @param {string} text The message text\n     * @return {object} jQuery promise\n     */\n    var sendMessageToUser = function(toUserId, text) {\n        return sendMessagesToUser(toUserId, [text])\n            .then(function(results) {\n                return results[0];\n            });\n    };\n\n    /**\n     * Send messages to a conversation.\n     *\n     * @param {int} conversationId The conversation id\n     * @param {string[]} messages List of messages to send\n     * @return {object} jQuery promise\n     */\n    var sendMessagesToConversation = function(conversationId, messages) {\n        var formattedMessages = messages.map(function(message) {\n            return {\n                text: message\n            };\n        });\n        var request = {\n            methodname: 'core_message_send_messages_to_conversation',\n            args: {\n                conversationid: conversationId,\n                messages: formattedMessages\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Send a message to a conversation.\n     *\n     * @param {int} conversationId The conversation id\n     * @param {string} text The message text\n     * @return {object} jQuery promise\n     */\n    var sendMessageToConversation = function(conversationId, text) {\n        return sendMessagesToConversation(conversationId, [text])\n            .then(function(result) {\n                return result[0];\n            });\n    };\n\n    /**\n     * Save message preferences.\n     *\n     * @param {int} userId The owner of the preferences\n     * @param {object[]} preferences New preferences values\n     * @return {object} jQuery promise\n     */\n    var savePreferences = function(userId, preferences) {\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: {\n                userid: userId,\n                preferences: preferences\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the user's preferences.\n     *\n     * @param {int} userId The target user\n     * @return {object} jQuery promise\n     */\n    var getPreferences = function(userId) {\n        var request = {\n            methodname: 'core_user_get_user_preferences',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Delete a list of messages.\n     *\n     * @param {int} userId The user to delete messages for\n     * @param {int[]} messageIds List of message ids to delete\n     * @return {object} jQuery promise\n     */\n    var deleteMessages = function(userId, messageIds) {\n        return $.when.apply(null, Ajax.call(messageIds.map(function(messageId) {\n            return {\n                methodname: 'core_message_delete_message',\n                args: {\n                    messageid: messageId,\n                    userid: userId\n                }\n            };\n        })));\n    };\n\n    /**\n     * Delete a list of messages for all users.\n     *\n     * @param {int} userId The user to delete messages for\n     * @param {int[]} messageIds List of message ids to delete\n     * @return {object} jQuery promise\n     */\n    var deleteMessagesForAllUsers = function(userId, messageIds) {\n        return $.when.apply(null, Ajax.call(messageIds.map(function(messageId) {\n            return {\n                methodname: 'core_message_delete_message_for_all_users',\n                args: {\n                    messageid: messageId,\n                    userid: userId\n                }\n            };\n        })));\n    };\n\n    /**\n     * Delete a conversation between two users.\n     *\n     * @param {int} userId The user to delete messages for\n     * @param {int} conversationId The id of the conversation\n     * @return {object} jQuery promise\n     */\n    var deleteConversation = function(userId, conversationId) {\n        var request = {\n            methodname: 'core_message_delete_conversations_by_id',\n            args: {\n                userid: userId,\n                conversationids: [conversationId]\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the list of contact requests for a user.\n     *\n     * @param {int} userId The user id\n     * @return {object} jQuery promise\n     */\n    var getContactRequests = function(userId) {\n        var request = {\n            methodname: 'core_message_get_contact_requests',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Accept a contact request.\n     *\n     * @param {int} sendingUserId The user that sent the request\n     * @param {int} recipientUserId The user that received the request\n     * @return {object} jQuery promise\n     */\n    var acceptContactRequest = function(sendingUserId, recipientUserId) {\n        var requests = [\n            {\n                methodname: 'core_message_confirm_contact_request',\n                args: {\n                    userid: sendingUserId,\n                    requesteduserid: recipientUserId\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: recipientUserId,\n                    userids: [sendingUserId],\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        // Wrap both requests in a single promise so that we can catch an error\n        // from either request.\n        return $.when.apply(null, Ajax.call(requests)).then(function(reponse1, profiles) {\n            // Only return the profile.\n            return profiles.length ? profiles[0] : {};\n        });\n    };\n\n    /**\n     * Decline a contact request.\n     *\n     * @param {int} sendingUserId The user that sent the request\n     * @param {int} recipientUserId The user that received the request\n     * @return {object} jQuery promise\n     */\n    var declineContactRequest = function(sendingUserId, recipientUserId) {\n        var requests = [\n            {\n                methodname: 'core_message_decline_contact_request',\n                args: {\n                    userid: sendingUserId,\n                    requesteduserid: recipientUserId\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: recipientUserId,\n                    userids: [sendingUserId],\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        // Wrap both requests in a single promise so that we can catch an error\n        // from either request.\n        return $.when.apply(null, Ajax.call(requests)).then(function(reponse1, profiles) {\n            // Only return the profile.\n            return profiles.length ? profiles[0] : {};\n        });\n    };\n\n    /**\n     * Get a conversation.\n     *\n     * @param {int} loggedInUserId The logged in user\n     * @param {int} conversationId The conversation id\n     * @param {bool} includeContactRequests Incldue contact requests between members\n     * @param {bool} includePrivacyInfo Include privacy info for members\n     * @param {int} memberLimit Limit for members\n     * @param {int} memberOffset Offset for members\n     * @param {int} messageLimit Limit for messages\n     * @param {int} messageOffset Offset for messages\n     * @param {bool} newestMessagesFirst Order the messages by newest first\n     * @return {object} jQuery promise\n     */\n    var getConversation = function(\n        loggedInUserId,\n        conversationId,\n        includeContactRequests,\n        includePrivacyInfo,\n        memberLimit,\n        memberOffset,\n        messageLimit,\n        messageOffset,\n        newestMessagesFirst\n    ) {\n        var args = {\n            userid: loggedInUserId,\n            conversationid: conversationId\n        };\n\n        if (typeof includeContactRequests != 'undefined' && includeContactRequests !== null) {\n            args.includecontactrequests = includeContactRequests;\n        }\n\n        if (typeof includePrivacyInfo != 'undefined' && includePrivacyInfo !== null) {\n            args.includeprivacyinfo = includePrivacyInfo;\n        }\n\n        if (typeof memberLimit != 'undefined' && memberLimit !== null) {\n            args.memberlimit = memberLimit;\n        }\n\n        if (typeof memberOffset != 'undefined' && memberOffset !== null) {\n            args.memberoffset = memberOffset;\n        }\n\n        if (typeof messageLimit != 'undefined' && messageLimit !== null) {\n            args.messagelimit = messageLimit;\n        }\n\n        if (typeof messageOffset != 'undefined' && messageOffset !== null) {\n            args.messageoffset = messageOffset;\n        }\n\n        if (typeof newestMessagesFirst != 'undefined' && newestMessagesFirst !== null) {\n            args.newestmessagesfirst = newestMessagesFirst;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversation',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get a conversation between users.\n     *\n     * @param {int} loggedInUserId The logged in user\n     * @param {int} otherUserId The other user id\n     * @param {bool} includeContactRequests Incldue contact requests between members\n     * @param {bool} includePrivacyInfo Include privacy info for members\n     * @param {int} memberLimit Limit for members\n     * @param {int} memberOffset Offset for members\n     * @param {int} messageLimit Limit for messages\n     * @param {int} messageOffset Offset for messages\n     * @param {bool} newestMessagesFirst Order the messages by newest first\n     * @return {object} jQuery promise\n     */\n    var getConversationBetweenUsers = function(\n        loggedInUserId,\n        otherUserId,\n        includeContactRequests,\n        includePrivacyInfo,\n        memberLimit,\n        memberOffset,\n        messageLimit,\n        messageOffset,\n        newestMessagesFirst\n    ) {\n        var args = {\n            userid: loggedInUserId,\n            otheruserid: otherUserId\n        };\n\n        if (typeof includeContactRequests != 'undefined' && includeContactRequests !== null) {\n            args.includecontactrequests = includeContactRequests;\n        }\n\n        if (typeof includePrivacyInfo != 'undefined' && includePrivacyInfo !== null) {\n            args.includeprivacyinfo = includePrivacyInfo;\n        }\n\n        if (typeof memberLimit != 'undefined' && memberLimit !== null) {\n            args.memberlimit = memberLimit;\n        }\n\n        if (typeof memberOffset != 'undefined' && memberOffset !== null) {\n            args.memberoffset = memberOffset;\n        }\n\n        if (typeof messageLimit != 'undefined' && messageLimit !== null) {\n            args.messagelimit = messageLimit;\n        }\n\n        if (typeof messageOffset != 'undefined' && messageOffset !== null) {\n            args.messageoffset = messageOffset;\n        }\n\n        if (typeof newestMessagesFirst != 'undefined' && newestMessagesFirst !== null) {\n            args.newestmessagesfirst = newestMessagesFirst;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversation_between_users',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get a self-conversation.\n     *\n     * @param {int} loggedInUserId The logged in user\n     * @param {int} messageLimit Limit for messages\n     * @param {int} messageOffset Offset for messages\n     * @param {bool} newestMessagesFirst Order the messages by newest first\n     * @return {object} jQuery promise\n     */\n    var getSelfConversation = function(\n        loggedInUserId,\n        messageLimit,\n        messageOffset,\n        newestMessagesFirst\n    ) {\n        var args = {\n            userid: loggedInUserId\n        };\n\n        if (typeof messageLimit != 'undefined' && messageLimit !== null) {\n            args.messagelimit = messageLimit;\n        }\n\n        if (typeof messageOffset != 'undefined' && messageOffset !== null) {\n            args.messageoffset = messageOffset;\n        }\n\n        if (typeof newestMessagesFirst != 'undefined' && newestMessagesFirst !== null) {\n            args.newestmessagesfirst = newestMessagesFirst;\n        }\n\n        var request = {\n            methodname: 'core_message_get_self_conversation',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the conversations for a user.\n     *\n     * @param {int} userId The logged in user\n     * @param {int|null} type The type of conversation to get\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @param {bool|null} favourites If favourites should be included or not\n     * @return {object} jQuery promise\n     */\n    var getConversations = function(\n        userId,\n        type,\n        limit,\n        offset,\n        favourites,\n        mergeself\n    ) {\n        var args = {\n            userid: userId,\n            type: type\n        };\n\n        if (typeof limit != 'undefined' && limit !== null) {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset != 'undefined' && offset !== null) {\n            args.limitfrom = offset;\n        }\n\n        if (typeof favourites != 'undefined' && favourites !== null) {\n            args.favourites = favourites;\n        }\n\n        if (typeof mergeself != 'undefined' && mergeself !== null) {\n            args.mergeself = mergeself;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversations',\n            args: args\n        };\n\n        return Ajax.call([request])[0]\n            .then(function(result) {\n                if (result.conversations.length) {\n                    result.conversations = result.conversations.map(function(conversation) {\n                        if (conversation.type == CONVERSATION_TYPES.PRIVATE || conversation.type == CONVERSATION_TYPES.SELF) {\n                            var otherUser = conversation.members.length ? conversation.members[0] : null;\n\n                            if (otherUser) {\n                                conversation.name = conversation.name ? conversation.name : otherUser.fullname;\n                                conversation.imageurl = conversation.imageurl ? conversation.imageurl : otherUser.profileimageurl;\n                            }\n                        }\n\n                        return conversation;\n                    });\n                }\n\n                return result;\n            });\n    };\n\n    /**\n     * Get the conversations for a user.\n     *\n     * @param {int} conversationId The conversation id\n     * @param {int} loggedInUserId The logged in user\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @param {bool} includeContactRequests If contact requests should be included in result\n     * @return {object} jQuery promise\n     */\n    var getConversationMembers = function(conversationId, loggedInUserId, limit, offset, includeContactRequests) {\n        var args = {\n            userid: loggedInUserId,\n            conversationid: conversationId\n        };\n\n        if (typeof limit != 'undefined' && limit !== null) {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset != 'undefined' && offset !== null) {\n            args.limitfrom = offset;\n        }\n\n        if (typeof includeContactRequests != 'undefined' && includeContactRequests !== null) {\n            args.includecontactrequests = includeContactRequests;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversation_members',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set a list of conversations to set as favourites for the given user.\n     *\n     * @param {int} userId The user id\n     * @param {array} conversationIds List of conversation ids to set as favourite\n     * @return {object} jQuery promise\n     */\n    var setFavouriteConversations = function(userId, conversationIds) {\n\n        var request = {\n            methodname: 'core_message_set_favourite_conversations',\n            args: {\n                userid: userId,\n                conversations: conversationIds\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set a list of conversations to unset as favourites for the given user.\n     *\n     * @param {int} userId The user id\n     * @param {array} conversationIds List of conversation ids to unset as favourite\n     * @return {object} jQuery promise\n     */\n    var unsetFavouriteConversations = function(userId, conversationIds) {\n\n        var request = {\n            methodname: 'core_message_unset_favourite_conversations',\n            args: {\n                userid: userId,\n                conversations: conversationIds\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set a list of conversations to set as muted for the given user.\n     *\n     * @param {int} userId The user id\n     * @param {array} conversationIds List of conversation ids to set as favourite\n     * @return {object} jQuery promise\n     */\n    var setMutedConversations = function(userId, conversationIds) {\n        var request = {\n            methodname: 'core_message_mute_conversations',\n            args: {\n                userid: userId,\n                conversationids: conversationIds\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set a list of conversations to unset as muted for the given user.\n     *\n     * @param {int} userId The user id\n     * @param {array} conversationIds List of conversation ids to unset as favourite\n     * @return {object} jQuery promise\n     */\n    var unsetMutedConversations = function(userId, conversationIds) {\n        var request = {\n            methodname: 'core_message_unmute_conversations',\n            args: {\n                userid: userId,\n                conversationids: conversationIds\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get a list of user's member info.\n     *\n     * @param {int} referenceUserId The user id\n     * @param {array} userIds List of user ids to get\n     * @param {bool} includeContactRequests Include contact requests between users in response\n     * @param {bool} includePrivacyInfo Include privacy info for reference user in response\n     * @return {object} jQuery promise\n     */\n    var getMemberInfo = function(referenceUserId, userIds, includeContactRequests, includePrivacyInfo) {\n        var args = {\n            referenceuserid: referenceUserId,\n            userids: userIds\n        };\n\n        if (typeof includeContactRequests != 'undefined') {\n            args.includecontactrequests = includeContactRequests;\n        }\n\n        if (typeof includePrivacyInfo != 'undefined') {\n            args.includeprivacyinfo = includePrivacyInfo;\n        }\n\n        var request = {\n            methodname: 'core_message_get_member_info',\n            args: args\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get a list of user's member info.\n     *\n     * @param {int} userId The user id to mark as read for\n     * @param {int} conversationId The conversation to mark as read\n     * @return {object} jQuery promise\n     */\n    var markAllConversationMessagesAsRead = function(userId, conversationId) {\n\n        var request = {\n            methodname: 'core_message_mark_all_conversation_messages_as_read',\n            args: {\n                userid: userId,\n                conversationid: conversationId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the user's message preferences.\n     *\n     * @param {int} userId The user id to load preferences for\n     * @return {object} jQuery promise\n     */\n    var getUserMessagePreferences = function(userId) {\n        var request = {\n            methodname: 'core_message_get_user_message_preferences',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * The the count of the user's conversations grouped by type.\n     *\n     * @param {Number} userId The user's id.\n     * @return {Object} jQuery promise.\n     */\n    var getTotalConversationCounts = function(userId) {\n        var request = {\n            methodname: 'core_message_get_conversation_counts',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * The the count of the user's unread conversations grouped by type.\n     *\n     * @param {Number} userId The user's id.\n     * @return {Object} jQuery promise.\n     */\n    var getUnreadConversationCounts = function(userId) {\n        var request = {\n            methodname: 'core_message_get_unread_conversation_counts',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get both the unread and total conversation counts in a single request.\n     *\n     * @param {Number} userId The user's id.\n     * @return {Object} jQuery promise.\n     */\n    var getAllConversationCounts = function(userId) {\n        var requests = [\n            {\n                methodname: 'core_message_get_conversation_counts',\n                args: {\n                    userid: userId\n                }\n            },\n            {\n                methodname: 'core_message_get_unread_conversation_counts',\n                args: {\n                    userid: userId\n                }\n            },\n        ];\n        return $.when.apply(null, Ajax.call(requests)).then(function(total, unread) {\n            return {\n                total: total,\n                unread: unread\n            };\n        });\n    };\n\n    return {\n        query: query,\n        countUnreadConversations: countUnreadConversations,\n        markAllAsRead: markAllAsRead,\n        getContacts: getContacts,\n        getProfile: getProfile,\n        blockUser: blockUser,\n        unblockUser: unblockUser,\n        createContactRequest: createContactRequest,\n        deleteContacts: deleteContacts,\n        getMessages: getMessages,\n        searchUsers: searchUsers,\n        searchMessages: searchMessages,\n        sendMessagesToUser: sendMessagesToUser,\n        sendMessageToUser: sendMessageToUser,\n        sendMessagesToConversation: sendMessagesToConversation,\n        sendMessageToConversation: sendMessageToConversation,\n        savePreferences: savePreferences,\n        getPreferences: getPreferences,\n        deleteMessages: deleteMessages,\n        deleteMessagesForAllUsers: deleteMessagesForAllUsers,\n        deleteConversation: deleteConversation,\n        getContactRequests: getContactRequests,\n        acceptContactRequest: acceptContactRequest,\n        declineContactRequest: declineContactRequest,\n        getConversation: getConversation,\n        getConversationBetweenUsers: getConversationBetweenUsers,\n        getSelfConversation: getSelfConversation,\n        getConversations: getConversations,\n        getConversationMembers: getConversationMembers,\n        setFavouriteConversations: setFavouriteConversations,\n        setMutedConversations: setMutedConversations,\n        unsetFavouriteConversations: unsetFavouriteConversations,\n        unsetMutedConversations: unsetMutedConversations,\n        getMemberInfo: getMemberInfo,\n        markAllConversationMessagesAsRead: markAllConversationMessagesAsRead,\n        getUserMessagePreferences: getUserMessagePreferences,\n        getTotalConversationCounts: getTotalConversationCounts,\n        getUnreadConversationCounts: getUnreadConversationCounts,\n        getAllConversationCounts: getAllConversationCounts\n    };\n});\n"],"file":"message_repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_repository.min.js","sources":["../src/message_repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Retrieves messages from the server.\n *\n * @module     core_message/message_repository\n * @class      message_repository\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/ajax',\n    'core/notification',\n    'core_message/message_drawer_view_conversation_constants'\n], function(\n    $,\n    Ajax,\n    Notification,\n    Constants) {\n\n    var CONVERSATION_TYPES = Constants.CONVERSATION_TYPES;\n\n    /**\n     * Retrieve a list of messages from the server.\n     *\n     * @param {object} args The request arguments:\n     * @return {object} jQuery promise\n     */\n    var query = function(args) {\n        // Normalise the arguments to use limit/offset rather than limitnum/limitfrom.\n        if (typeof args.limit === 'undefined') {\n            args.limit = 0;\n        }\n\n        if (typeof args.offset === 'undefined') {\n            args.offset = 0;\n        }\n\n        if (typeof args.type === 'undefined') {\n            args.type = null;\n        }\n\n        if (typeof args.favouritesonly === 'undefined') {\n            args.favouritesonly = false;\n        }\n\n        args.limitfrom = args.offset;\n        args.limitnum = args.limit;\n\n        delete args.limit;\n        delete args.offset;\n\n        var request = {\n            methodname: 'core_message_data_for_messagearea_conversations',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Count the number of unread conversations (one or more messages from a user)\n     * for a given user.\n     *\n     * @param {object} args The request arguments:\n     * @return {object} jQuery promise\n     */\n    var countUnreadConversations = function(args) {\n        var request = {\n            methodname: 'core_message_get_unread_conversations_count',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Mark all of unread messages for a user as read.\n     *\n     * @param {object} args The request arguments:\n     * @return {object} jQuery promise\n     */\n    var markAllAsRead = function(args) {\n        var request = {\n            methodname: 'core_message_mark_all_messages_as_read',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Get contacts for given user.\n     *\n     * @param {int} userId The user id\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @return {object} jQuery promise\n     */\n    var getContacts = function(userId, limit, offset) {\n        var args = {\n            userid: userId\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.limitfrom = offset;\n        }\n\n        var request = {\n            methodname: 'core_message_get_user_contacts',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Request profile information as a user for a given user.\n     *\n     * @param {int} userId The requesting user\n     * @param {int} profileUserId The id of the user who's profile is being requested\n     * @return {object} jQuery promise\n     */\n    var getProfile = function(userId, profileUserId) {\n        var request = {\n            methodname: 'core_message_data_for_messagearea_get_profile',\n            args: {\n                currentuserid: userId,\n                otheruserid: profileUserId\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Block a user.\n     *\n     * @param {int} userId The requesting user\n     * @param {int} blockedUserId Id of user to block\n     * @return {object} jQuery promise\n     */\n    var blockUser = function(userId, blockedUserId) {\n        var requests = [\n            {\n                methodname: 'core_message_block_user',\n                args: {\n                    userid: userId,\n                    blockeduserid: blockedUserId\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: userId,\n                    userids: [blockedUserId],\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        // Wrap both requests in a single promise so that we can catch an error\n        // from either request.\n        return $.when.apply(null, Ajax.call(requests)).then(function(reponse1, profiles) {\n            // Only return the profile.\n            return profiles.length ? profiles[0] : {};\n        });\n    };\n\n    /**\n     * Unblock a user.\n     *\n     * @param {int} userId The requesting user\n     * @param {int} unblockedUserId Id of user to unblock\n     * @return {object} jQuery promise\n     */\n    var unblockUser = function(userId, unblockedUserId) {\n        var requests = [\n            {\n                methodname: 'core_message_unblock_user',\n                args: {\n                    userid: userId,\n                    unblockeduserid: unblockedUserId\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: userId,\n                    userids: [unblockedUserId],\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        // Wrap both requests in a single promise so that we can catch an error\n        // from either request.\n        return $.when.apply(null, Ajax.call(requests)).then(function(reponse1, profiles) {\n            // Only return the profile.\n            return profiles.length ? profiles[0] : {};\n        });\n    };\n\n    /**\n     * Create a request to add a user as a contact.\n     *\n     * @param {int} userId The requesting user\n     * @param {int[]} requestUserIds List of user ids to add\n     * @return {object} jQuery promise\n     */\n    var createContactRequest = function(userId, requestUserIds) {\n        var request = {\n            methodname: 'core_message_create_contact_request',\n            args: {\n                userid: userId,\n                requesteduserid: requestUserIds\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Remove a list of users as contacts.\n     *\n     * @param {int} userId The requesting user\n     * @param {int[]} contactUserIds List of user ids to add\n     * @return {object} jQuery promise\n     */\n    var deleteContacts = function(userId, contactUserIds) {\n        var requests = [\n            {\n                methodname: 'core_message_delete_contacts',\n                args: {\n                    userid: userId,\n                    userids: contactUserIds\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: userId,\n                    userids: contactUserIds,\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        return $.when.apply(null, Ajax.call(requests)).then(function(response1, profiles) {\n            // Return all of the profiles as an array.\n            return profiles;\n        });\n    };\n\n    /**\n     * Get messages between two users.\n     *\n     * @param {int} currentUserId The requesting user\n     * @param {int} conversationId Other user in the conversation\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @param {bool} newestFirst Order results by newest first\n     * @param {int} timeFrom Only return messages after this timestamp\n     * @return {object} jQuery promise\n     */\n    var getMessages = function(currentUserId, conversationId, limit, offset, newestFirst, timeFrom) {\n        var args = {\n            currentuserid: currentUserId,\n            convid: conversationId,\n            newest: newestFirst ? true : false\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.limitfrom = offset;\n        }\n\n        if (typeof timeFrom !== 'undefined') {\n            args.timefrom = timeFrom;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversation_messages',\n            args: args\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Search for users.\n     *\n     * @param {int} userId The requesting user\n     * @param {string} searchString Search string\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @return {object} jQuery promise\n     */\n    var searchUsers = function(userId, searchString, limit, offset) {\n        var args = {\n            userid: userId,\n            search: searchString\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.limitfrom = offset;\n        }\n\n        var request = {\n            methodname: 'core_message_message_search_users',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Search for messages.\n     *\n     * @param {int} userId The requesting user\n     * @param {string} searchString Search string\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @return {object} jQuery promise\n     */\n    var searchMessages = function(userId, searchString, limit, offset) {\n        var args = {\n            userid: userId,\n            search: searchString\n        };\n\n        if (typeof limit !== 'undefined') {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset !== 'undefined') {\n            args.limitfrom = offset;\n        }\n\n        var request = {\n            methodname: 'core_message_data_for_messagearea_search_messages',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Send a list of messages to a user.\n     *\n     * @param {int} toUserId The recipient user id\n     * @param {string[]} messages List of messages to send\n     * @return {object} jQuery promise\n     */\n    var sendMessagesToUser = function(toUserId, messages) {\n        var formattedMessages = messages.map(function(message) {\n            return {\n                touserid: toUserId,\n                text: message\n            };\n        });\n        var request = {\n            methodname: 'core_message_send_instant_messages',\n            args: {\n                messages: formattedMessages\n            }\n        };\n\n        return Ajax.call([request])[0]\n            .then(function(results) {\n                // Error handling for the weird way the old function works.\n                var errors = results.reduce(function(carry, result) {\n                    if (result.errormessage) {\n                        carry.push(result.errormessage);\n                    }\n\n                    return carry;\n                }, []);\n                if (errors.length) {\n                    throw new Error(errors.join(\"\\n\"));\n                }\n\n                return results;\n            })\n            .then(function(results) {\n                // Format the results to match the other send message function.\n                return results.map(function(result) {\n                    return {\n                        id: result.msgid,\n                        text: result.text,\n                        timecreated: result.timecreated,\n                        useridfrom: result.useridfrom,\n                        conversationid: result.conversationid,\n                        candeletemessagesforallusers: result.candeletemessagesforallusers\n                    };\n                });\n            });\n    };\n\n    /**\n     * Send a single message to a user.\n     *\n     * @param {int} toUserId The recipient user id\n     * @param {string} text The message text\n     * @return {object} jQuery promise\n     */\n    var sendMessageToUser = function(toUserId, text) {\n        return sendMessagesToUser(toUserId, [text])\n            .then(function(results) {\n                return results[0];\n            });\n    };\n\n    /**\n     * Send messages to a conversation.\n     *\n     * @param {int} conversationId The conversation id\n     * @param {string[]} messages List of messages to send\n     * @return {object} jQuery promise\n     */\n    var sendMessagesToConversation = function(conversationId, messages) {\n        var formattedMessages = messages.map(function(message) {\n            return {\n                text: message\n            };\n        });\n        var request = {\n            methodname: 'core_message_send_messages_to_conversation',\n            args: {\n                conversationid: conversationId,\n                messages: formattedMessages\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Send a message to a conversation.\n     *\n     * @param {int} conversationId The conversation id\n     * @param {string} text The message text\n     * @return {object} jQuery promise\n     */\n    var sendMessageToConversation = function(conversationId, text) {\n        return sendMessagesToConversation(conversationId, [text])\n            .then(function(result) {\n                return result[0];\n            });\n    };\n\n    /**\n     * Save message preferences.\n     *\n     * @param {int} userId The owner of the preferences\n     * @param {object[]} preferences New preferences values\n     * @return {object} jQuery promise\n     */\n    var savePreferences = function(userId, preferences) {\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: {\n                userid: userId,\n                preferences: preferences\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the user's preferences.\n     *\n     * @param {int} userId The target user\n     * @return {object} jQuery promise\n     */\n    var getPreferences = function(userId) {\n        var request = {\n            methodname: 'core_user_get_user_preferences',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Delete a list of messages.\n     *\n     * @param {int} userId The user to delete messages for\n     * @param {int[]} messageIds List of message ids to delete\n     * @return {object} jQuery promise\n     */\n    var deleteMessages = function(userId, messageIds) {\n        return $.when.apply(null, Ajax.call(messageIds.map(function(messageId) {\n            return {\n                methodname: 'core_message_delete_message',\n                args: {\n                    messageid: messageId,\n                    userid: userId\n                }\n            };\n        })));\n    };\n\n    /**\n     * Delete a list of messages for all users.\n     *\n     * @param {int} userId The user to delete messages for\n     * @param {int[]} messageIds List of message ids to delete\n     * @return {object} jQuery promise\n     */\n    var deleteMessagesForAllUsers = function(userId, messageIds) {\n        return $.when.apply(null, Ajax.call(messageIds.map(function(messageId) {\n            return {\n                methodname: 'core_message_delete_message_for_all_users',\n                args: {\n                    messageid: messageId,\n                    userid: userId\n                }\n            };\n        })));\n    };\n\n    /**\n     * Delete a conversation between two users.\n     *\n     * @param {int} userId The user to delete messages for\n     * @param {int} conversationId The id of the conversation\n     * @return {object} jQuery promise\n     */\n    var deleteConversation = function(userId, conversationId) {\n        var request = {\n            methodname: 'core_message_delete_conversations_by_id',\n            args: {\n                userid: userId,\n                conversationids: [conversationId]\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the list of contact requests for a user.\n     *\n     * @param {int} userId The user id\n     * @return {object} jQuery promise\n     */\n    var getContactRequests = function(userId) {\n        var request = {\n            methodname: 'core_message_get_contact_requests',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Accept a contact request.\n     *\n     * @param {int} sendingUserId The user that sent the request\n     * @param {int} recipientUserId The user that received the request\n     * @return {object} jQuery promise\n     */\n    var acceptContactRequest = function(sendingUserId, recipientUserId) {\n        var requests = [\n            {\n                methodname: 'core_message_confirm_contact_request',\n                args: {\n                    userid: sendingUserId,\n                    requesteduserid: recipientUserId\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: recipientUserId,\n                    userids: [sendingUserId],\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        // Wrap both requests in a single promise so that we can catch an error\n        // from either request.\n        return $.when.apply(null, Ajax.call(requests)).then(function(reponse1, profiles) {\n            // Only return the profile.\n            return profiles.length ? profiles[0] : {};\n        });\n    };\n\n    /**\n     * Decline a contact request.\n     *\n     * @param {int} sendingUserId The user that sent the request\n     * @param {int} recipientUserId The user that received the request\n     * @return {object} jQuery promise\n     */\n    var declineContactRequest = function(sendingUserId, recipientUserId) {\n        var requests = [\n            {\n                methodname: 'core_message_decline_contact_request',\n                args: {\n                    userid: sendingUserId,\n                    requesteduserid: recipientUserId\n                }\n            },\n            {\n                methodname: 'core_message_get_member_info',\n                args: {\n                    referenceuserid: recipientUserId,\n                    userids: [sendingUserId],\n                    includecontactrequests: true,\n                    includeprivacyinfo: true\n                }\n            }\n        ];\n\n        // Wrap both requests in a single promise so that we can catch an error\n        // from either request.\n        return $.when.apply(null, Ajax.call(requests)).then(function(reponse1, profiles) {\n            // Only return the profile.\n            return profiles.length ? profiles[0] : {};\n        });\n    };\n\n    /**\n     * Get a conversation.\n     *\n     * @param {int} loggedInUserId The logged in user\n     * @param {int} conversationId The conversation id\n     * @param {bool} includeContactRequests Incldue contact requests between members\n     * @param {bool} includePrivacyInfo Include privacy info for members\n     * @param {int} memberLimit Limit for members\n     * @param {int} memberOffset Offset for members\n     * @param {int} messageLimit Limit for messages\n     * @param {int} messageOffset Offset for messages\n     * @param {bool} newestMessagesFirst Order the messages by newest first\n     * @return {object} jQuery promise\n     */\n    var getConversation = function(\n        loggedInUserId,\n        conversationId,\n        includeContactRequests,\n        includePrivacyInfo,\n        memberLimit,\n        memberOffset,\n        messageLimit,\n        messageOffset,\n        newestMessagesFirst\n    ) {\n        var args = {\n            userid: loggedInUserId,\n            conversationid: conversationId\n        };\n\n        if (typeof includeContactRequests != 'undefined' && includeContactRequests !== null) {\n            args.includecontactrequests = includeContactRequests;\n        }\n\n        if (typeof includePrivacyInfo != 'undefined' && includePrivacyInfo !== null) {\n            args.includeprivacyinfo = includePrivacyInfo;\n        }\n\n        if (typeof memberLimit != 'undefined' && memberLimit !== null) {\n            args.memberlimit = memberLimit;\n        }\n\n        if (typeof memberOffset != 'undefined' && memberOffset !== null) {\n            args.memberoffset = memberOffset;\n        }\n\n        if (typeof messageLimit != 'undefined' && messageLimit !== null) {\n            args.messagelimit = messageLimit;\n        }\n\n        if (typeof messageOffset != 'undefined' && messageOffset !== null) {\n            args.messageoffset = messageOffset;\n        }\n\n        if (typeof newestMessagesFirst != 'undefined' && newestMessagesFirst !== null) {\n            args.newestmessagesfirst = newestMessagesFirst;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversation',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get a conversation between users.\n     *\n     * @param {int} loggedInUserId The logged in user\n     * @param {int} otherUserId The other user id\n     * @param {bool} includeContactRequests Incldue contact requests between members\n     * @param {bool} includePrivacyInfo Include privacy info for members\n     * @param {int} memberLimit Limit for members\n     * @param {int} memberOffset Offset for members\n     * @param {int} messageLimit Limit for messages\n     * @param {int} messageOffset Offset for messages\n     * @param {bool} newestMessagesFirst Order the messages by newest first\n     * @return {object} jQuery promise\n     */\n    var getConversationBetweenUsers = function(\n        loggedInUserId,\n        otherUserId,\n        includeContactRequests,\n        includePrivacyInfo,\n        memberLimit,\n        memberOffset,\n        messageLimit,\n        messageOffset,\n        newestMessagesFirst\n    ) {\n        var args = {\n            userid: loggedInUserId,\n            otheruserid: otherUserId\n        };\n\n        if (typeof includeContactRequests != 'undefined' && includeContactRequests !== null) {\n            args.includecontactrequests = includeContactRequests;\n        }\n\n        if (typeof includePrivacyInfo != 'undefined' && includePrivacyInfo !== null) {\n            args.includeprivacyinfo = includePrivacyInfo;\n        }\n\n        if (typeof memberLimit != 'undefined' && memberLimit !== null) {\n            args.memberlimit = memberLimit;\n        }\n\n        if (typeof memberOffset != 'undefined' && memberOffset !== null) {\n            args.memberoffset = memberOffset;\n        }\n\n        if (typeof messageLimit != 'undefined' && messageLimit !== null) {\n            args.messagelimit = messageLimit;\n        }\n\n        if (typeof messageOffset != 'undefined' && messageOffset !== null) {\n            args.messageoffset = messageOffset;\n        }\n\n        if (typeof newestMessagesFirst != 'undefined' && newestMessagesFirst !== null) {\n            args.newestmessagesfirst = newestMessagesFirst;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversation_between_users',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get a self-conversation.\n     *\n     * @param {int} loggedInUserId The logged in user\n     * @param {int} messageLimit Limit for messages\n     * @param {int} messageOffset Offset for messages\n     * @param {bool} newestMessagesFirst Order the messages by newest first\n     * @return {object} jQuery promise\n     */\n    var getSelfConversation = function(\n        loggedInUserId,\n        messageLimit,\n        messageOffset,\n        newestMessagesFirst\n    ) {\n        var args = {\n            userid: loggedInUserId\n        };\n\n        if (typeof messageLimit != 'undefined' && messageLimit !== null) {\n            args.messagelimit = messageLimit;\n        }\n\n        if (typeof messageOffset != 'undefined' && messageOffset !== null) {\n            args.messageoffset = messageOffset;\n        }\n\n        if (typeof newestMessagesFirst != 'undefined' && newestMessagesFirst !== null) {\n            args.newestmessagesfirst = newestMessagesFirst;\n        }\n\n        var request = {\n            methodname: 'core_message_get_self_conversation',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the conversations for a user.\n     *\n     * @param {int} userId The logged in user\n     * @param {int|null} type The type of conversation to get\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @param {bool|null} favourites If favourites should be included or not\n     * @return {object} jQuery promise\n     */\n    var getConversations = function(\n        userId,\n        type,\n        limit,\n        offset,\n        favourites,\n        mergeself\n    ) {\n        var args = {\n            userid: userId,\n            type: type\n        };\n\n        if (typeof limit != 'undefined' && limit !== null) {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset != 'undefined' && offset !== null) {\n            args.limitfrom = offset;\n        }\n\n        if (typeof favourites != 'undefined' && favourites !== null) {\n            args.favourites = favourites;\n        }\n\n        if (typeof mergeself != 'undefined' && mergeself !== null) {\n            args.mergeself = mergeself;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversations',\n            args: args\n        };\n\n        return Ajax.call([request])[0]\n            .then(function(result) {\n                if (result.conversations.length) {\n                    result.conversations = result.conversations.map(function(conversation) {\n                        if (conversation.type == CONVERSATION_TYPES.PRIVATE || conversation.type == CONVERSATION_TYPES.SELF) {\n                            var otherUser = conversation.members.length ? conversation.members[0] : null;\n\n                            if (otherUser) {\n                                conversation.name = conversation.name ? conversation.name : otherUser.fullname;\n                                conversation.imageurl = conversation.imageurl ? conversation.imageurl : otherUser.profileimageurl;\n                            }\n                        }\n\n                        return conversation;\n                    });\n                }\n\n                return result;\n            });\n    };\n\n    /**\n     * Get the conversations for a user.\n     *\n     * @param {int} conversationId The conversation id\n     * @param {int} loggedInUserId The logged in user\n     * @param {int} limit Limit for results\n     * @param {int} offset Offset for results\n     * @param {bool} includeContactRequests If contact requests should be included in result\n     * @return {object} jQuery promise\n     */\n    var getConversationMembers = function(conversationId, loggedInUserId, limit, offset, includeContactRequests) {\n        var args = {\n            userid: loggedInUserId,\n            conversationid: conversationId\n        };\n\n        if (typeof limit != 'undefined' && limit !== null) {\n            args.limitnum = limit;\n        }\n\n        if (typeof offset != 'undefined' && offset !== null) {\n            args.limitfrom = offset;\n        }\n\n        if (typeof includeContactRequests != 'undefined' && includeContactRequests !== null) {\n            args.includecontactrequests = includeContactRequests;\n        }\n\n        var request = {\n            methodname: 'core_message_get_conversation_members',\n            args: args\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set a list of conversations to set as favourites for the given user.\n     *\n     * @param {int} userId The user id\n     * @param {array} conversationIds List of conversation ids to set as favourite\n     * @return {object} jQuery promise\n     */\n    var setFavouriteConversations = function(userId, conversationIds) {\n\n        var request = {\n            methodname: 'core_message_set_favourite_conversations',\n            args: {\n                userid: userId,\n                conversations: conversationIds\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set a list of conversations to unset as favourites for the given user.\n     *\n     * @param {int} userId The user id\n     * @param {array} conversationIds List of conversation ids to unset as favourite\n     * @return {object} jQuery promise\n     */\n    var unsetFavouriteConversations = function(userId, conversationIds) {\n\n        var request = {\n            methodname: 'core_message_unset_favourite_conversations',\n            args: {\n                userid: userId,\n                conversations: conversationIds\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set a list of conversations to set as muted for the given user.\n     *\n     * @param {int} userId The user id\n     * @param {array} conversationIds List of conversation ids to set as favourite\n     * @return {object} jQuery promise\n     */\n    var setMutedConversations = function(userId, conversationIds) {\n        var request = {\n            methodname: 'core_message_mute_conversations',\n            args: {\n                userid: userId,\n                conversationids: conversationIds\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set a list of conversations to unset as muted for the given user.\n     *\n     * @param {int} userId The user id\n     * @param {array} conversationIds List of conversation ids to unset as favourite\n     * @return {object} jQuery promise\n     */\n    var unsetMutedConversations = function(userId, conversationIds) {\n        var request = {\n            methodname: 'core_message_unmute_conversations',\n            args: {\n                userid: userId,\n                conversationids: conversationIds\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get a list of user's member info.\n     *\n     * @param {int} referenceUserId The user id\n     * @param {array} userIds List of user ids to get\n     * @param {bool} includeContactRequests Include contact requests between users in response\n     * @param {bool} includePrivacyInfo Include privacy info for reference user in response\n     * @return {object} jQuery promise\n     */\n    var getMemberInfo = function(referenceUserId, userIds, includeContactRequests, includePrivacyInfo) {\n        var args = {\n            referenceuserid: referenceUserId,\n            userids: userIds\n        };\n\n        if (typeof includeContactRequests != 'undefined') {\n            args.includecontactrequests = includeContactRequests;\n        }\n\n        if (typeof includePrivacyInfo != 'undefined') {\n            args.includeprivacyinfo = includePrivacyInfo;\n        }\n\n        var request = {\n            methodname: 'core_message_get_member_info',\n            args: args\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get a list of user's member info.\n     *\n     * @param {int} userId The user id to mark as read for\n     * @param {int} conversationId The conversation to mark as read\n     * @return {object} jQuery promise\n     */\n    var markAllConversationMessagesAsRead = function(userId, conversationId) {\n\n        var request = {\n            methodname: 'core_message_mark_all_conversation_messages_as_read',\n            args: {\n                userid: userId,\n                conversationid: conversationId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the user's message preferences.\n     *\n     * @param {int} userId The user id to load preferences for\n     * @return {object} jQuery promise\n     */\n    var getUserMessagePreferences = function(userId) {\n        var request = {\n            methodname: 'core_message_get_user_message_preferences',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * The the count of the user's conversations grouped by type.\n     *\n     * @param {Number} userId The user's id.\n     * @return {Object} jQuery promise.\n     */\n    var getTotalConversationCounts = function(userId) {\n        var request = {\n            methodname: 'core_message_get_conversation_counts',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * The the count of the user's unread conversations grouped by type.\n     *\n     * @param {Number} userId The user's id.\n     * @return {Object} jQuery promise.\n     */\n    var getUnreadConversationCounts = function(userId) {\n        var request = {\n            methodname: 'core_message_get_unread_conversation_counts',\n            args: {\n                userid: userId\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get both the unread and total conversation counts in a single request.\n     *\n     * @param {Number} userId The user's id.\n     * @return {Object} jQuery promise.\n     */\n    var getAllConversationCounts = function(userId) {\n        var requests = [\n            {\n                methodname: 'core_message_get_conversation_counts',\n                args: {\n                    userid: userId\n                }\n            },\n            {\n                methodname: 'core_message_get_unread_conversation_counts',\n                args: {\n                    userid: userId\n                }\n            },\n        ];\n        return $.when.apply(null, Ajax.call(requests)).then(function(total, unread) {\n            return {\n                total: total,\n                unread: unread\n            };\n        });\n    };\n\n    return {\n        query: query,\n        countUnreadConversations: countUnreadConversations,\n        markAllAsRead: markAllAsRead,\n        getContacts: getContacts,\n        getProfile: getProfile,\n        blockUser: blockUser,\n        unblockUser: unblockUser,\n        createContactRequest: createContactRequest,\n  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\ No newline at end of file
diff --git a/message/amd/build/message_send_bulk.min.js b/message/amd/build/message_send_bulk.min.js
index cb7643601a8..e11ec107f07 100644
--- a/message/amd/build/message_send_bulk.min.js
+++ b/message/amd/build/message_send_bulk.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_send_bulk",["exports","core/str","core/modal_factory","core/templates","core/modal_events","core/ajax","core/notification"],function(a,b,c,d,e,f,g){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.showModal=a.sendMessage=void 0;c=h(c);d=h(d);e=h(e);f=h(f);g=h(g);function h(a){return a&&a.__esModule?a:{default:a}}var i=function(a){var f=1<arguments.length&&arguments[1]!==void 0?arguments[1]:null;if(!a.length){return Promise.resolve()}var g=null;if(1==a.length){g=(0,b.get_string)("sendbulkmessagesingle","core_message")}else{g=(0,b.get_string)("sendbulkmessage","core_message",a.length)}return c.default.create({type:c.default.types.SAVE_CANCEL,body:d.default.render("core_message/send_bulk_message",{}),title:g}).then(function(b){b.setSaveButtonText(g);b.getRoot().on(e.default.hidden,function(){if(f){f()}b.getRoot().remove()});b.getRoot().on(e.default.save,function(){var c=b.getRoot().find("form textarea").val();j(c,a)});b.show();return b})};a.showModal=i;var j=function(a,c){var d=[];c.forEach(function(b){d.push({touserid:b,text:a})});return f.default.call([{methodname:"core_message_send_instant_messages",args:{messages:d}}])[0].then(function(a){if(1==a.length){return(0,b.get_string)("sendbulkmessagesentsingle","core_message")}else{return(0,b.get_string)("sendbulkmessagesent","core_message",a.length)}}).then(function(a){g.default.addNotification({message:a,type:"success"});return!0}).catch(g.default.exception)};a.sendMessage=j});
-//# sourceMappingURL=message_send_bulk.min.js.map
+define("core_message/message_send_bulk",["exports","core/str","core/modal_factory","core/templates","core/modal_events","core/ajax","core/notification"],(function(_exports,_str,_modal_factory,_templates,_modal_events,_ajax,_notification){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Send bulk message to the given user ids.
+   *
+   * @module     core_message/message_send_bulk
+   * @copyright  2019 Shamim Rezaie <shamim@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.showModal=_exports.sendMessage=void 0,_modal_factory=_interopRequireDefault(_modal_factory),_templates=_interopRequireDefault(_templates),_modal_events=_interopRequireDefault(_modal_events),_ajax=_interopRequireDefault(_ajax),_notification=_interopRequireDefault(_notification);_exports.showModal=function(users){var callback=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(!users.length)return Promise.resolve();var titlePromise=null;return titlePromise=1==users.length?(0,_str.get_string)("sendbulkmessagesingle","core_message"):(0,_str.get_string)("sendbulkmessage","core_message",users.length),_modal_factory.default.create({type:_modal_factory.default.types.SAVE_CANCEL,body:_templates.default.render("core_message/send_bulk_message",{}),title:titlePromise}).then((function(modal){return modal.setSaveButtonText(titlePromise),modal.getRoot().on(_modal_events.default.hidden,(function(){callback&&callback(),modal.getRoot().remove()})),modal.getRoot().on(_modal_events.default.save,(function(){var messageText=modal.getRoot().find("form textarea").val();sendMessage(messageText,users)})),modal.show(),modal}))};var sendMessage=function(messageText,users){var messages=[];return users.forEach((function(user){messages.push({touserid:user,text:messageText})})),_ajax.default.call([{methodname:"core_message_send_instant_messages",args:{messages:messages}}])[0].then((function(messageIds){return 1==messageIds.length?(0,_str.get_string)("sendbulkmessagesentsingle","core_message"):(0,_str.get_string)("sendbulkmessagesent","core_message",messageIds.length)})).then((function(msg){return _notification.default.addNotification({message:msg,type:"success"}),!0})).catch(_notification.default.exception)};_exports.sendMessage=sendMessage}));
+
+//# sourceMappingURL=message_send_bulk.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_send_bulk.min.js.map b/message/amd/build/message_send_bulk.min.js.map
index 72958572127..5f0b8252f2a 100644
--- a/message/amd/build/message_send_bulk.min.js.map
+++ b/message/amd/build/message_send_bulk.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_send_bulk.js"],"names":["showModal","users","callback","length","Promise","resolve","titlePromise","ModalFactory","create","type","types","SAVE_CANCEL","body","Templates","render","title","then","modal","setSaveButtonText","getRoot","on","ModalEvents","hidden","remove","save","messageText","find","val","sendMessage","show","messages","forEach","user","push","touserid","text","Ajax","call","methodname","args","messageIds","msg","Notification","addNotification","message","catch","exception"],"mappings":"iRAuBA,OACA,OACA,OACA,OACA,O,mDAUO,GAAMA,CAAAA,CAAS,CAAG,SAACC,CAAD,CAA4B,IAApBC,CAAAA,CAAoB,wDAAT,IAAS,CACjD,GAAI,CAACD,CAAK,CAACE,MAAX,CAAmB,CAEf,MAAOC,CAAAA,OAAO,CAACC,OAAR,EACV,CACD,GAAIC,CAAAA,CAAY,CAAG,IAAnB,CACA,GAAoB,CAAhB,EAAAL,CAAK,CAACE,MAAV,CAAuB,CACnBG,CAAY,CAAG,iBAAW,uBAAX,CAAoC,cAApC,CAClB,CAFD,IAEO,CACHA,CAAY,CAAG,iBAAW,iBAAX,CAA8B,cAA9B,CAA8CL,CAAK,CAACE,MAApD,CAClB,CAED,MAAOI,WAAaC,MAAb,CAAoB,CACvBC,IAAI,CAAEF,UAAaG,KAAb,CAAmBC,WADF,CAEvBC,IAAI,CAAEC,UAAUC,MAAV,CAAiB,gCAAjB,CAAmD,EAAnD,CAFiB,CAGvBC,KAAK,CAAET,CAHgB,CAApB,EAKNU,IALM,CAKD,SAASC,CAAT,CAAgB,CAClBA,CAAK,CAACC,iBAAN,CAAwBZ,CAAxB,EAGAW,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmBC,UAAYC,MAA/B,CAAuC,UAAW,CAC9C,GAAIpB,CAAJ,CAAc,CACVA,CAAQ,EACX,CACDe,CAAK,CAACE,OAAN,GAAgBI,MAAhB,EACH,CALD,EAOAN,CAAK,CAACE,OAAN,GAAgBC,EAAhB,CAAmBC,UAAYG,IAA/B,CAAqC,UAAW,CAC5C,GAAIC,CAAAA,CAAW,CAAGR,CAAK,CAACE,OAAN,GAAgBO,IAAhB,CAAqB,eAArB,EAAsCC,GAAtC,EAAlB,CACAC,CAAW,CAACH,CAAD,CAAcxB,CAAd,CACd,CAHD,EAKAgB,CAAK,CAACY,IAAN,GAEA,MAAOZ,CAAAA,CACV,CAxBM,CAyBV,CArCM,C,cA+CA,GAAMW,CAAAA,CAAW,CAAG,SAACH,CAAD,CAAcxB,CAAd,CAAwB,CAC/C,GAAI6B,CAAAA,CAAQ,CAAG,EAAf,CAEA7B,CAAK,CAAC8B,OAAN,CAAc,SAAAC,CAAI,CAAI,CAClBF,CAAQ,CAACG,IAAT,CAAc,CACVC,QAAQ,CAAEF,CADA,CAEVG,IAAI,CAAEV,CAFI,CAAd,CAIH,CALD,EAOA,MAAOW,WAAKC,IAAL,CAAU,CAAC,CACdC,UAAU,CAAE,oCADE,CAEdC,IAAI,CAAE,CAACT,QAAQ,CAAEA,CAAX,CAFQ,CAAD,CAAV,EAGH,CAHG,EAINd,IAJM,CAID,SAASwB,CAAT,CAAqB,CACvB,GAAyB,CAArB,EAAAA,CAAU,CAACrC,MAAf,CAA4B,CACxB,MAAO,iBAAW,2BAAX,CAAwC,cAAxC,CACV,CAFD,IAEO,CACH,MAAO,iBAAW,qBAAX,CAAkC,cAAlC,CAAkDqC,CAAU,CAACrC,MAA7D,CACV,CACJ,CAVM,EAWNa,IAXM,CAWD,SAASyB,CAAT,CAAc,CAChBC,UAAaC,eAAb,CAA6B,CACzBC,OAAO,CAAEH,CADgB,CAEzBhC,IAAI,CAAE,SAFmB,CAA7B,EAIA,QACH,CAjBM,EAkBNoC,KAlBM,CAkBAH,UAAaI,SAlBb,CAmBV,CA7BM,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Send bulk message to the given user ids.\n *\n * @module     core_message/message_send_bulk\n * @copyright  2019 Shamim Rezaie <shamim@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport {get_string} from 'core/str';\nimport ModalFactory from 'core/modal_factory';\nimport Templates from 'core/templates';\nimport ModalEvents from 'core/modal_events';\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\n/**\n * Show the send message popup.\n *\n * @method showModal\n * @param {int[]} users\n * @param {Function} callback A callback to apply after the form is closed.\n * @returns {Promise}\n */\nexport const showModal = (users, callback = null) => {\n    if (!users.length) {\n        // Nothing to do.\n        return Promise.resolve();\n    }\n    let titlePromise = null;\n    if (users.length == 1) {\n        titlePromise = get_string('sendbulkmessagesingle', 'core_message');\n    } else {\n        titlePromise = get_string('sendbulkmessage', 'core_message', users.length);\n    }\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: Templates.render('core_message/send_bulk_message', {}),\n        title: titlePromise,\n    })\n    .then(function(modal) {\n        modal.setSaveButtonText(titlePromise);\n\n        // When the dialog is closed, perform the callback (if provided).\n        modal.getRoot().on(ModalEvents.hidden, function() {\n            if (callback) {\n                callback();\n            }\n            modal.getRoot().remove();\n        });\n\n        modal.getRoot().on(ModalEvents.save, function() {\n            let messageText = modal.getRoot().find('form textarea').val();\n            sendMessage(messageText, users);\n        });\n\n        modal.show();\n\n        return modal;\n    });\n};\n\n/**\n * Send a message to these users.\n *\n * @method sendMessage\n * @param {String} messageText\n * @param {Number[]} users\n * @returns {Promise}\n */\nexport const sendMessage = (messageText, users) => {\n    let messages = [];\n\n    users.forEach(user => {\n        messages.push({\n            touserid: user,\n            text: messageText\n        });\n    });\n\n    return Ajax.call([{\n        methodname: 'core_message_send_instant_messages',\n        args: {messages: messages}\n    }])[0]\n    .then(function(messageIds) {\n        if (messageIds.length == 1) {\n            return get_string('sendbulkmessagesentsingle', 'core_message');\n        } else {\n            return get_string('sendbulkmessagesent', 'core_message', messageIds.length);\n        }\n    })\n    .then(function(msg) {\n        Notification.addNotification({\n            message: msg,\n            type: \"success\"\n        });\n        return true;\n    })\n    .catch(Notification.exception);\n};\n"],"file":"message_send_bulk.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_send_bulk.min.js","sources":["../src/message_send_bulk.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Send bulk message to the given user ids.\n *\n * @module     core_message/message_send_bulk\n * @copyright  2019 Shamim Rezaie <shamim@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport {get_string} from 'core/str';\nimport ModalFactory from 'core/modal_factory';\nimport Templates from 'core/templates';\nimport ModalEvents from 'core/modal_events';\nimport Ajax from 'core/ajax';\nimport Notification from 'core/notification';\n\n/**\n * Show the send message popup.\n *\n * @method showModal\n * @param {int[]} users\n * @param {Function} callback A callback to apply after the form is closed.\n * @returns {Promise}\n */\nexport const showModal = (users, callback = null) => {\n    if (!users.length) {\n        // Nothing to do.\n        return Promise.resolve();\n    }\n    let titlePromise = null;\n    if (users.length == 1) {\n        titlePromise = get_string('sendbulkmessagesingle', 'core_message');\n    } else {\n        titlePromise = get_string('sendbulkmessage', 'core_message', users.length);\n    }\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: Templates.render('core_message/send_bulk_message', {}),\n        title: titlePromise,\n    })\n    .then(function(modal) {\n        modal.setSaveButtonText(titlePromise);\n\n        // When the dialog is closed, perform the callback (if provided).\n        modal.getRoot().on(ModalEvents.hidden, function() {\n            if (callback) {\n                callback();\n            }\n            modal.getRoot().remove();\n        });\n\n        modal.getRoot().on(ModalEvents.save, function() {\n            let messageText = modal.getRoot().find('form textarea').val();\n            sendMessage(messageText, users);\n        });\n\n        modal.show();\n\n        return modal;\n    });\n};\n\n/**\n * Send a message to these users.\n *\n * @method sendMessage\n * @param {String} messageText\n * @param {Number[]} users\n * @returns {Promise}\n */\nexport const sendMessage = (messageText, users) => {\n    let messages = [];\n\n    users.forEach(user => {\n        messages.push({\n            touserid: user,\n            text: messageText\n        });\n    });\n\n    return Ajax.call([{\n        methodname: 'core_message_send_instant_messages',\n        args: {messages: messages}\n    }])[0]\n    .then(function(messageIds) {\n        if (messageIds.length == 1) {\n            return get_string('sendbulkmessagesentsingle', 'core_message');\n        } else {\n            return get_string('sendbulkmessagesent', 'core_message', messageIds.length);\n        }\n    })\n    .then(function(msg) {\n        Notification.addNotification({\n            message: msg,\n            type: \"success\"\n        });\n        return true;\n    })\n    .catch(Notification.exception);\n};\n"],"names":["users","callback","length","Promise","resolve","titlePromise","ModalFactory","create","type","types","SAVE_CANCEL","body","Templates","render","title","then","modal","setSaveButtonText","getRoot","on","ModalEvents","hidden","remove","save","messageText","find","val","sendMessage","show","messages","forEach","user","push","touserid","text","Ajax","call","methodname","args","messageIds","msg","addNotification","message","catch","Notification","exception"],"mappings":";;;;;;;+WAqCyB,SAACA,WAAOC,gEAAW,SACnCD,MAAME,cAEAC,QAAQC,cAEfC,aAAe,YAEfA,aADgB,GAAhBL,MAAME,QACS,mBAAW,wBAAyB,iBAEpC,mBAAW,kBAAmB,eAAgBF,MAAME,QAGhEI,uBAAaC,OAAO,CACvBC,KAAMF,uBAAaG,MAAMC,YACzBC,KAAMC,mBAAUC,OAAO,iCAAkC,IACzDC,MAAOT,eAEVU,MAAK,SAASC,cACXA,MAAMC,kBAAkBZ,cAGxBW,MAAME,UAAUC,GAAGC,sBAAYC,QAAQ,WAC/BpB,UACAA,WAEJe,MAAME,UAAUI,YAGpBN,MAAME,UAAUC,GAAGC,sBAAYG,MAAM,eAC7BC,YAAcR,MAAME,UAAUO,KAAK,iBAAiBC,MACxDC,YAAYH,YAAaxB,UAG7BgB,MAAMY,OAECZ,cAYFW,YAAc,SAACH,YAAaxB,WACjC6B,SAAW,UAEf7B,MAAM8B,SAAQ,SAAAC,MACVF,SAASG,KAAK,CACVC,SAAUF,KACVG,KAAMV,iBAIPW,cAAKC,KAAK,CAAC,CACdC,WAAY,qCACZC,KAAM,CAACT,SAAUA,aACjB,GACHd,MAAK,SAASwB,mBACc,GAArBA,WAAWrC,QACJ,mBAAW,4BAA6B,iBAExC,mBAAW,sBAAuB,eAAgBqC,WAAWrC,WAG3Ea,MAAK,SAASyB,kCACEC,gBAAgB,CACzBC,QAASF,IACThC,KAAM,aAEH,KAEVmC,MAAMC,sBAAaC"}
\ No newline at end of file
diff --git a/message/amd/build/message_user_button.min.js b/message/amd/build/message_user_button.min.js
index f63ca0e6b3a..f95c5307cbd 100644
--- a/message/amd/build/message_user_button.min.js
+++ b/message/amd/build/message_user_button.min.js
@@ -1,2 +1,10 @@
-define ("core_message/message_user_button",["jquery","core/custom_interaction_events","core_message/message_drawer_helper","core/templates"],function(a,b,c,d){var e={MESSAGE_TEXTAREA:"[data-region=\"send-message-txt\"]",MESSAGE_USER_BUTTON:"#message-user-button",MESSAGE_JUMP:"[data-region=\"jumpto\"]"},f={CONTENT:"core_message/message_jumpto"},g=function(a){return parseInt(a.attr("data-userid"))},h=function(a){return parseInt(a.attr("data-conversationid"))};return{send:function send(i){i=a(i);var j={conversationid:h(i),buttonid:a(i).attr("id"),userid:g(i)};d.render(f.CONTENT,{}).then(function(a){i.after(a)}).then(function(){a(e.MESSAGE_USER_BUTTON).next().focus(function(){a(e.MESSAGE_TEXTAREA).focus()})});b.define(i,[b.events.activate]);i.on(b.events.activate,function(b,d){if(a(b.target).hasClass("active")){c.hide();a(e.MESSAGE_USER_BUTTON).next().attr("tabindex",-1)}else{a(e.MESSAGE_USER_BUTTON).next().attr("tabindex",0);if(j.conversationid){c.showConversation(j)}else{c.createConversationWithUser(j)}}a(b.target).focus();a(b.target).toggleClass("active");b.preventDefault();d.originalEvent.preventDefault()})}}});
-//# sourceMappingURL=message_user_button.min.js.map
+/**
+ * Module to message a user from their profile page.
+ *
+ * @module     core_message/message_user_button
+ * @copyright  2019 Mark Nelson <markn@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/message_user_button",["jquery","core/custom_interaction_events","core_message/message_drawer_helper","core/templates"],(function($,CustomEvents,MessageDrawerHelper,Templates){var SELECTORS_MESSAGE_TEXTAREA='[data-region="send-message-txt"]',SELECTORS_MESSAGE_USER_BUTTON="#message-user-button",TEMPLATES_CONTENT="core_message/message_jumpto",getUserId=function(element){return parseInt(element.attr("data-userid"))},getConversationId=function(element){return parseInt(element.attr("data-conversationid"))};return{send:function(element){element=$(element);var args={conversationid:getConversationId(element),buttonid:$(element).attr("id"),userid:getUserId(element)};Templates.render(TEMPLATES_CONTENT,{}).then((function(html){element.after(html)})).then((function(){$(SELECTORS_MESSAGE_USER_BUTTON).next().focus((function(){$(SELECTORS_MESSAGE_TEXTAREA).focus()}))})),CustomEvents.define(element,[CustomEvents.events.activate]),element.on(CustomEvents.events.activate,(function(e,data){$(e.target).hasClass("active")?(MessageDrawerHelper.hide(),$(SELECTORS_MESSAGE_USER_BUTTON).next().attr("tabindex",-1)):($(SELECTORS_MESSAGE_USER_BUTTON).next().attr("tabindex",0),args.conversationid?MessageDrawerHelper.showConversation(args):MessageDrawerHelper.createConversationWithUser(args)),$(e.target).focus(),$(e.target).toggleClass("active"),e.preventDefault(),data.originalEvent.preventDefault()}))}}}));
+
+//# sourceMappingURL=message_user_button.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/message_user_button.min.js.map b/message/amd/build/message_user_button.min.js.map
index 7ce22316c73..4f8fe9d86a0 100644
--- a/message/amd/build/message_user_button.min.js.map
+++ b/message/amd/build/message_user_button.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to message a user from their profile page.\n *\n * @module     core_message/message_user_button\n * @copyright  2019 Mark Nelson <markn@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/custom_interaction_events', 'core_message/message_drawer_helper', 'core/templates'],\n    function($, CustomEvents, MessageDrawerHelper, Templates) {\n\n\n        var SELECTORS = {\n            MESSAGE_TEXTAREA: '[data-region=\"send-message-txt\"]',\n            MESSAGE_USER_BUTTON: '#message-user-button',\n            MESSAGE_JUMP: '[data-region=\"jumpto\"]'\n        };\n\n        var TEMPLATES = {\n            CONTENT: 'core_message/message_jumpto'\n        };\n\n        /**\n         * Get the id for the user being messaged.\n         *\n         * @param {object} element jQuery object for the button\n         * @return {int}\n         */\n        var getUserId = function(element) {\n            return parseInt(element.attr('data-userid'));\n        };\n\n        /**\n         * Returns the conversation id, 0 if none.\n         *\n         * @param {object} element jQuery object for the button\n         * @return {int}\n         */\n        var getConversationId = function(element) {\n            return parseInt(element.attr('data-conversationid'));\n        };\n\n        /**\n         * Handles opening the messaging drawer to send a\n         * message to a given user.\n         *\n         * @method enhance\n         * @param {object} element jQuery object for the button\n         */\n        var send = function(element) {\n            element = $(element);\n\n            var args = {\n                conversationid: getConversationId(element),\n                buttonid: $(element).attr('id'),\n                userid: getUserId(element)\n            };\n\n            Templates.render(TEMPLATES.CONTENT, {})\n                .then(function(html) {\n                    element.after(html);\n                })\n                .then(function() {\n                    $(SELECTORS.MESSAGE_USER_BUTTON).next().focus(function() {\n                        $(SELECTORS.MESSAGE_TEXTAREA).focus();\n                    });\n                });\n\n            CustomEvents.define(element, [CustomEvents.events.activate]);\n\n            element.on(CustomEvents.events.activate, function(e, data) {\n                if ($(e.target).hasClass('active')) {\n                    MessageDrawerHelper.hide();\n                    $(SELECTORS.MESSAGE_USER_BUTTON).next().attr('tabindex', -1);\n                } else {\n                    $(SELECTORS.MESSAGE_USER_BUTTON).next().attr('tabindex', 0);\n                    if (args.conversationid) {\n                        MessageDrawerHelper.showConversation(args);\n                    } else {\n                        MessageDrawerHelper.createConversationWithUser(args);\n                    }\n                }\n                $(e.target).focus();\n                $(e.target).toggleClass('active');\n                e.preventDefault();\n                data.originalEvent.preventDefault();\n            });\n        };\n\n        return /** @alias module:core_message/message_user_button */ {\n            send: send\n        };\n    });\n"],"file":"message_user_button.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_user_button.min.js","sources":["../src/message_user_button.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to message a user from their profile page.\n *\n * @module     core_message/message_user_button\n * @copyright  2019 Mark Nelson <markn@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/custom_interaction_events', 'core_message/message_drawer_helper', 'core/templates'],\n    function($, CustomEvents, MessageDrawerHelper, Templates) {\n\n\n        var SELECTORS = {\n            MESSAGE_TEXTAREA: '[data-region=\"send-message-txt\"]',\n            MESSAGE_USER_BUTTON: '#message-user-button',\n            MESSAGE_JUMP: '[data-region=\"jumpto\"]'\n        };\n\n        var TEMPLATES = {\n            CONTENT: 'core_message/message_jumpto'\n        };\n\n        /**\n         * Get the id for the user being messaged.\n         *\n         * @param {object} element jQuery object for the button\n         * @return {int}\n         */\n        var getUserId = function(element) {\n            return parseInt(element.attr('data-userid'));\n        };\n\n        /**\n         * Returns the conversation id, 0 if none.\n         *\n         * @param {object} element jQuery object for the button\n         * @return {int}\n         */\n        var getConversationId = function(element) {\n            return parseInt(element.attr('data-conversationid'));\n        };\n\n        /**\n         * Handles opening the messaging drawer to send a\n         * message to a given user.\n         *\n         * @method enhance\n         * @param {object} element jQuery object for the button\n         */\n        var send = function(element) {\n            element = $(element);\n\n            var args = {\n                conversationid: getConversationId(element),\n                buttonid: $(element).attr('id'),\n                userid: getUserId(element)\n            };\n\n            Templates.render(TEMPLATES.CONTENT, {})\n                .then(function(html) {\n                    element.after(html);\n                })\n                .then(function() {\n                    $(SELECTORS.MESSAGE_USER_BUTTON).next().focus(function() {\n                        $(SELECTORS.MESSAGE_TEXTAREA).focus();\n                    });\n                });\n\n            CustomEvents.define(element, [CustomEvents.events.activate]);\n\n            element.on(CustomEvents.events.activate, function(e, data) {\n                if ($(e.target).hasClass('active')) {\n                    MessageDrawerHelper.hide();\n                    $(SELECTORS.MESSAGE_USER_BUTTON).next().attr('tabindex', -1);\n                } else {\n                    $(SELECTORS.MESSAGE_USER_BUTTON).next().attr('tabindex', 0);\n                    if (args.conversationid) {\n                        MessageDrawerHelper.showConversation(args);\n                    } else {\n                        MessageDrawerHelper.createConversationWithUser(args);\n                    }\n                }\n                $(e.target).focus();\n                $(e.target).toggleClass('active');\n                e.preventDefault();\n                data.originalEvent.preventDefault();\n            });\n        };\n\n        return /** @alias module:core_message/message_user_button */ {\n            send: send\n        };\n    });\n"],"names":["define","$","CustomEvents","MessageDrawerHelper","Templates","SELECTORS","TEMPLATES","getUserId","element","parseInt","attr","getConversationId","send","args","conversationid","buttonid","userid","render","then","html","after","next","focus","events","activate","on","e","data","target","hasClass","hide","showConversation","createConversationWithUser","toggleClass","preventDefault","originalEvent"],"mappings":";;;;;;;AAsBAA,0CAAO,CAAC,SAAU,iCAAkC,qCAAsC,mBACtF,SAASC,EAAGC,aAAcC,oBAAqBC,eAGvCC,2BACkB,mCADlBA,8BAEqB,uBAIrBC,kBACS,8BASTC,UAAY,SAASC,gBACdC,SAASD,QAAQE,KAAK,iBAS7BC,kBAAoB,SAASH,gBACtBC,SAASD,QAAQE,KAAK,+BAkD4B,CACzDE,KAzCO,SAASJ,SAChBA,QAAUP,EAAEO,aAERK,KAAO,CACPC,eAAgBH,kBAAkBH,SAClCO,SAAUd,EAAEO,SAASE,KAAK,MAC1BM,OAAQT,UAAUC,UAGtBJ,UAAUa,OAAOX,kBAAmB,IAC/BY,MAAK,SAASC,MACXX,QAAQY,MAAMD,SAEjBD,MAAK,WACFjB,EAAEI,+BAA+BgB,OAAOC,OAAM,WAC1CrB,EAAEI,4BAA4BiB,cAI1CpB,aAAaF,OAAOQ,QAAS,CAACN,aAAaqB,OAAOC,WAElDhB,QAAQiB,GAAGvB,aAAaqB,OAAOC,UAAU,SAASE,EAAGC,MAC7C1B,EAAEyB,EAAEE,QAAQC,SAAS,WACrB1B,oBAAoB2B,OACpB7B,EAAEI,+BAA+BgB,OAAOX,KAAK,YAAa,KAE1DT,EAAEI,+BAA+BgB,OAAOX,KAAK,WAAY,GACrDG,KAAKC,eACLX,oBAAoB4B,iBAAiBlB,MAErCV,oBAAoB6B,2BAA2BnB,OAGvDZ,EAAEyB,EAAEE,QAAQN,QACZrB,EAAEyB,EAAEE,QAAQK,YAAY,UACxBP,EAAEQ,iBACFP,KAAKQ,cAAcD"}
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diff --git a/message/amd/build/notification_preference.min.js b/message/amd/build/notification_preference.min.js
index 7ca6baed872..4a17e91d1a8 100644
--- a/message/amd/build/notification_preference.min.js
+++ b/message/amd/build/notification_preference.min.js
@@ -1,2 +1,13 @@
-define ("core_message/notification_preference",["jquery","core/ajax","core/notification","core_message/notification_processor"],function(a,b,c,d){var e={PROCESSOR:"[data-processor-name]",STATE_INPUTS:"[data-state] input"},f=function(b,c){this.root=a(b);this.userId=c};f.prototype.getPreferenceKey=function(){return this.root.attr("data-preference-key")};f.prototype.getLoggedInPreferenceKey=function(){return this.getPreferenceKey()+"_loggedin"};f.prototype.getLoggedOffPreferenceKey=function(){return this.getPreferenceKey()+"_loggedoff"};f.prototype.getProcessors=function(){return this.root.find(e.PROCESSOR).map(function(b,c){return new d(a(c))})};f.prototype.startLoading=function(){this.root.addClass("loading");this.root.find(e.STATE_INPUTS).prop("disabled",!0)};f.prototype.stopLoading=function(){this.root.removeClass("loading");this.root.find(e.STATE_INPUTS).prop("disabled",!1)};f.prototype.isLoading=function(){return this.root.hasClass("loading")};f.prototype.save=function(){if(this.isLoading()){return a.Deferred().resolve()}this.startLoading();var d="",e="";this.getProcessors().each(function(a,b){if(b.isLoggedInEnabled()){if(""===d){d=b.getName()}else{d+=","+b.getName()}}if(b.isLoggedOffEnabled()){if(""===e){e=b.getName()}else{e+=","+b.getName()}}});if(""===d){d="none"}if(""===e){e="none"}var f={userid:this.userId,preferences:[{type:this.getLoggedInPreferenceKey(),value:d},{type:this.getLoggedOffPreferenceKey(),value:e}]};return b.call([{methodname:"core_user_update_user_preferences",args:f}])[0].fail(c.exception).always(function(){this.stopLoading()}.bind(this))};return f});
-//# sourceMappingURL=notification_preference.min.js.map
+/**
+ * Controls the preference for an individual notification type on the
+ * message preference page.
+ *
+ * @module     core_message/notification_preference
+ * @class      notification_preference
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/notification_preference",["jquery","core/ajax","core/notification","core_message/notification_processor"],(function($,Ajax,Notification,NotificationProcessor){var SELECTORS_PROCESSOR="[data-processor-name]",SELECTORS_STATE_INPUTS="[data-state] input",NotificationPreference=function(element,userId){this.root=$(element),this.userId=userId};return NotificationPreference.prototype.getPreferenceKey=function(){return this.root.attr("data-preference-key")},NotificationPreference.prototype.getLoggedInPreferenceKey=function(){return this.getPreferenceKey()+"_loggedin"},NotificationPreference.prototype.getLoggedOffPreferenceKey=function(){return this.getPreferenceKey()+"_loggedoff"},NotificationPreference.prototype.getProcessors=function(){return this.root.find(SELECTORS_PROCESSOR).map((function(index,element){return new NotificationProcessor($(element))}))},NotificationPreference.prototype.startLoading=function(){this.root.addClass("loading"),this.root.find(SELECTORS_STATE_INPUTS).prop("disabled",!0)},NotificationPreference.prototype.stopLoading=function(){this.root.removeClass("loading"),this.root.find(SELECTORS_STATE_INPUTS).prop("disabled",!1)},NotificationPreference.prototype.isLoading=function(){return this.root.hasClass("loading")},NotificationPreference.prototype.save=function(){if(this.isLoading())return $.Deferred().resolve();this.startLoading();var loggedInValue="",loggedOffValue="";this.getProcessors().each((function(index,processor){processor.isLoggedInEnabled()&&(""===loggedInValue?loggedInValue=processor.getName():loggedInValue+=","+processor.getName()),processor.isLoggedOffEnabled()&&(""===loggedOffValue?loggedOffValue=processor.getName():loggedOffValue+=","+processor.getName())})),""===loggedInValue&&(loggedInValue="none"),""===loggedOffValue&&(loggedOffValue="none");var request={methodname:"core_user_update_user_preferences",args:{userid:this.userId,preferences:[{type:this.getLoggedInPreferenceKey(),value:loggedInValue},{type:this.getLoggedOffPreferenceKey(),value:loggedOffValue}]}};return Ajax.call([request])[0].fail(Notification.exception).always(function(){this.stopLoading()}.bind(this))},NotificationPreference}));
+
+//# sourceMappingURL=notification_preference.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/notification_preference.min.js.map b/message/amd/build/notification_preference.min.js.map
index 9284c59b55e..b93cf052267 100644
--- a/message/amd/build/notification_preference.min.js.map
+++ b/message/amd/build/notification_preference.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the preference for an individual notification type on the\n * message preference page.\n *\n * @module     core_message/notification_preference\n * @class      notification_preference\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core_message/notification_processor'],\n        function($, Ajax, Notification, NotificationProcessor) {\n\n    var SELECTORS = {\n        PROCESSOR: '[data-processor-name]',\n        STATE_INPUTS: '[data-state] input',\n    };\n\n    /**\n     * Constructor for the Preference.\n     *\n     * @param {object} element jQuery object root element of the preference\n     * @param {int} userId The current user id\n     */\n    var NotificationPreference = function(element, userId) {\n        this.root = $(element);\n        this.userId = userId;\n    };\n\n    /**\n     * Get the unique prefix key that identifies this user preference.\n     *\n     * @method getPreferenceKey\n     * @return {string}\n     */\n    NotificationPreference.prototype.getPreferenceKey = function() {\n        return this.root.attr('data-preference-key');\n    };\n\n    /**\n     * Get the unique key for the logged in preference.\n     *\n     * @method getLoggedInPreferenceKey\n     * @return {string}\n     */\n    NotificationPreference.prototype.getLoggedInPreferenceKey = function() {\n        return this.getPreferenceKey() + '_loggedin';\n    };\n\n    /**\n     * Get the unique key for the logged off preference.\n     *\n     * @method getLoggedOffPreferenceKey\n     * @return {string}\n     */\n    NotificationPreference.prototype.getLoggedOffPreferenceKey = function() {\n        return this.getPreferenceKey() + '_loggedoff';\n    };\n\n    /**\n     * Get the list of Processors available for this preference.\n     *\n     * @method getProcessors\n     * @return {array}\n     */\n    NotificationPreference.prototype.getProcessors = function() {\n        return this.root.find(SELECTORS.PROCESSOR).map(function(index, element) {\n            return new NotificationProcessor($(element));\n        });\n    };\n\n    /**\n     * Flag the preference as loading.\n     *\n     * @method startLoading\n     */\n    NotificationPreference.prototype.startLoading = function() {\n        this.root.addClass('loading');\n        this.root.find(SELECTORS.STATE_INPUTS).prop('disabled', true);\n    };\n\n    /**\n     * Remove the loading flag for this preference.\n     *\n     * @method stopLoading\n     */\n    NotificationPreference.prototype.stopLoading = function() {\n        this.root.removeClass('loading');\n        this.root.find(SELECTORS.STATE_INPUTS).prop('disabled', false);\n    };\n\n    /**\n     * Check if the preference is loading.\n     *\n     * @method isLoading\n     * @return {Boolean}\n     */\n    NotificationPreference.prototype.isLoading = function() {\n        return this.root.hasClass('loading');\n    };\n\n    /**\n     * Persist the current state of the processors for this preference.\n     *\n     * @method save\n     * @return {object} jQuery promise\n     */\n    NotificationPreference.prototype.save = function() {\n        if (this.isLoading()) {\n            return $.Deferred().resolve();\n        }\n\n        this.startLoading();\n\n        var loggedInValue = '';\n        var loggedOffValue = '';\n\n        this.getProcessors().each(function(index, processor) {\n            if (processor.isLoggedInEnabled()) {\n                if (loggedInValue === '') {\n                    loggedInValue = processor.getName();\n                } else {\n                    loggedInValue += ',' + processor.getName();\n                }\n            }\n\n            if (processor.isLoggedOffEnabled()) {\n                if (loggedOffValue === '') {\n                    loggedOffValue 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this.stopLoading();\n            }.bind(this));\n    };\n\n    return NotificationPreference;\n});\n"],"file":"notification_preference.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification_preference.min.js","sources":["../src/notification_preference.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the preference for an individual notification type on the\n * message preference page.\n *\n * @module     core_message/notification_preference\n * @class      notification_preference\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core_message/notification_processor'],\n        function($, Ajax, Notification, NotificationProcessor) {\n\n    var SELECTORS = {\n        PROCESSOR: '[data-processor-name]',\n        STATE_INPUTS: '[data-state] input',\n    };\n\n    /**\n     * Constructor for the Preference.\n     *\n     * @param {object} element jQuery object root element of the preference\n     * @param {int} userId The current user id\n     */\n    var NotificationPreference = function(element, userId) {\n        this.root = $(element);\n        this.userId = userId;\n    };\n\n    /**\n     * Get the unique prefix key that identifies this user preference.\n     *\n     * @method getPreferenceKey\n     * @return {string}\n     */\n    NotificationPreference.prototype.getPreferenceKey = function() {\n        return this.root.attr('data-preference-key');\n    };\n\n    /**\n     * Get the unique key for the logged in preference.\n     *\n     * @method getLoggedInPreferenceKey\n     * @return {string}\n     */\n    NotificationPreference.prototype.getLoggedInPreferenceKey = function() {\n        return this.getPreferenceKey() + '_loggedin';\n    };\n\n    /**\n     * Get the unique key for the logged off preference.\n     *\n     * @method getLoggedOffPreferenceKey\n     * @return {string}\n     */\n    NotificationPreference.prototype.getLoggedOffPreferenceKey = function() {\n        return this.getPreferenceKey() + '_loggedoff';\n    };\n\n    /**\n     * Get the list of Processors available for this preference.\n     *\n     * @method getProcessors\n     * @return {array}\n     */\n    NotificationPreference.prototype.getProcessors = function() {\n        return this.root.find(SELECTORS.PROCESSOR).map(function(index, element) {\n            return new NotificationProcessor($(element));\n        });\n    };\n\n    /**\n     * Flag the preference as loading.\n     *\n     * @method startLoading\n     */\n    NotificationPreference.prototype.startLoading = function() {\n        this.root.addClass('loading');\n        this.root.find(SELECTORS.STATE_INPUTS).prop('disabled', true);\n    };\n\n    /**\n     * Remove the loading flag for this preference.\n     *\n     * @method stopLoading\n     */\n    NotificationPreference.prototype.stopLoading = function() {\n        this.root.removeClass('loading');\n        this.root.find(SELECTORS.STATE_INPUTS).prop('disabled', false);\n    };\n\n    /**\n     * Check if the preference is loading.\n     *\n     * @method isLoading\n     * @return {Boolean}\n     */\n    NotificationPreference.prototype.isLoading = function() {\n        return this.root.hasClass('loading');\n    };\n\n    /**\n     * Persist the current state of the processors for this preference.\n     *\n     * @method save\n     * @return {object} jQuery promise\n     */\n    NotificationPreference.prototype.save = function() {\n        if (this.isLoading()) {\n            return $.Deferred().resolve();\n        }\n\n        this.startLoading();\n\n        var loggedInValue = '';\n        var loggedOffValue = '';\n\n        this.getProcessors().each(function(index, processor) {\n            if (processor.isLoggedInEnabled()) {\n                if (loggedInValue === '') {\n                    loggedInValue = processor.getName();\n                } else {\n                    loggedInValue += ',' + processor.getName();\n                }\n            }\n\n            if (processor.isLoggedOffEnabled()) {\n                if (loggedOffValue === '') {\n                    loggedOffValue 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this.stopLoading();\n            }.bind(this));\n    };\n\n    return 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\ No newline at end of file
diff --git a/message/amd/build/notification_processor.min.js b/message/amd/build/notification_processor.min.js
index 15aa09f9ed8..9a3fac656af 100644
--- a/message/amd/build/notification_processor.min.js
+++ b/message/amd/build/notification_processor.min.js
@@ -1,2 +1,12 @@
-define ("core_message/notification_processor",["jquery"],function(a){var b={STATE_NONE:"[data-state=\"none\"]",STATE_BOTH:"[data-state=\"both\"]",STATE_LOGGED_IN:"[data-state=\"loggedin\"]",STATE_LOGGED_OFF:"[data-state=\"loggedoff\"]"},c=function(b){this.root=a(b)};c.prototype.getName=function(){return this.root.attr("data-processor-name")};c.prototype.isLoggedInEnabled=function(){var a=this.root.find(b.STATE_NONE).find("input");if(a.prop("checked")){return!1}var c=this.root.find(b.STATE_BOTH).find("input"),d=this.root.find(b.STATE_LOGGED_IN).find("input");return d.prop("checked")||c.prop("checked")};c.prototype.isLoggedOffEnabled=function(){var a=this.root.find(b.STATE_NONE).find("input");if(a.prop("checked")){return!1}var c=this.root.find(b.STATE_BOTH).find("input"),d=this.root.find(b.STATE_LOGGED_OFF).find("input");return d.prop("checked")||c.prop("checked")};return c});
-//# sourceMappingURL=notification_processor.min.js.map
+/**
+ * Represents the notification processor (e.g. email, popup, jabber)
+ *
+ * @module     core_message/notification_processor
+ * @class      notification_processor
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/notification_processor",["jquery"],(function($){var SELECTORS_STATE_NONE='[data-state="none"]',SELECTORS_STATE_BOTH='[data-state="both"]',SELECTORS_STATE_LOGGED_IN='[data-state="loggedin"]',SELECTORS_STATE_LOGGED_OFF='[data-state="loggedoff"]',NotificationProcessor=function(element){this.root=$(element)};return NotificationProcessor.prototype.getName=function(){return this.root.attr("data-processor-name")},NotificationProcessor.prototype.isLoggedInEnabled=function(){if(this.root.find(SELECTORS_STATE_NONE).find("input").prop("checked"))return!1;var both=this.root.find(SELECTORS_STATE_BOTH).find("input");return this.root.find(SELECTORS_STATE_LOGGED_IN).find("input").prop("checked")||both.prop("checked")},NotificationProcessor.prototype.isLoggedOffEnabled=function(){if(this.root.find(SELECTORS_STATE_NONE).find("input").prop("checked"))return!1;var both=this.root.find(SELECTORS_STATE_BOTH).find("input");return this.root.find(SELECTORS_STATE_LOGGED_OFF).find("input").prop("checked")||both.prop("checked")},NotificationProcessor}));
+
+//# sourceMappingURL=notification_processor.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/notification_processor.min.js.map b/message/amd/build/notification_processor.min.js.map
index eb1e518f7d7..0f086450c1d 100644
--- a/message/amd/build/notification_processor.min.js.map
+++ b/message/amd/build/notification_processor.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/notification_processor.js"],"names":["define","$","SELECTORS","STATE_NONE","STATE_BOTH","STATE_LOGGED_IN","STATE_LOGGED_OFF","NotificationProcessor","element","root","prototype","getName","attr","isLoggedInEnabled","none","find","prop","both","loggedIn","isLoggedOffEnabled","loggedOff"],"mappings":"AAwBAA,OAAM,uCAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,IACvBC,CAAAA,CAAS,CAAG,CACZC,UAAU,CAAE,uBADA,CAEZC,UAAU,CAAE,uBAFA,CAGZC,eAAe,CAAE,2BAHL,CAIZC,gBAAgB,CAAE,4BAJN,CADW,CAavBC,CAAqB,CAAG,SAASC,CAAT,CAAkB,CAC1C,KAAKC,IAAL,CAAYR,CAAC,CAACO,CAAD,CAChB,CAf0B,CAuB3BD,CAAqB,CAACG,SAAtB,CAAgCC,OAAhC,CAA0C,UAAW,CACjD,MAAO,MAAKF,IAAL,CAAUG,IAAV,CAAe,qBAAf,CACV,CAFD,CAUAL,CAAqB,CAACG,SAAtB,CAAgCG,iBAAhC,CAAoD,UAAW,CAC3D,GAAIC,CAAAA,CAAI,CAAG,KAAKL,IAAL,CAAUM,IAAV,CAAeb,CAAS,CAACC,UAAzB,EAAqCY,IAArC,CAA0C,OAA1C,CAAX,CAEA,GAAID,CAAI,CAACE,IAAL,CAAU,SAAV,CAAJ,CAA0B,CACtB,QACH,CAL0D,GAOvDC,CAAAA,CAAI,CAAG,KAAKR,IAAL,CAAUM,IAAV,CAAeb,CAAS,CAACE,UAAzB,EAAqCW,IAArC,CAA0C,OAA1C,CAPgD,CAQvDG,CAAQ,CAAG,KAAKT,IAAL,CAAUM,IAAV,CAAeb,CAAS,CAACG,eAAzB,EAA0CU,IAA1C,CAA+C,OAA/C,CAR4C,CAU3D,MAAOG,CAAAA,CAAQ,CAACF,IAAT,CAAc,SAAd,GAA4BC,CAAI,CAACD,IAAL,CAAU,SAAV,CACtC,CAXD,CAmBAT,CAAqB,CAACG,SAAtB,CAAgCS,kBAAhC,CAAqD,UAAW,CAC5D,GAAIL,CAAAA,CAAI,CAAG,KAAKL,IAAL,CAAUM,IAAV,CAAeb,CAAS,CAACC,UAAzB,EAAqCY,IAArC,CAA0C,OAA1C,CAAX,CAEA,GAAID,CAAI,CAACE,IAAL,CAAU,SAAV,CAAJ,CAA0B,CACtB,QACH,CAL2D,GAOxDC,CAAAA,CAAI,CAAG,KAAKR,IAAL,CAAUM,IAAV,CAAeb,CAAS,CAACE,UAAzB,EAAqCW,IAArC,CAA0C,OAA1C,CAPiD,CAQxDK,CAAS,CAAG,KAAKX,IAAL,CAAUM,IAAV,CAAeb,CAAS,CAACI,gBAAzB,EAA2CS,IAA3C,CAAgD,OAAhD,CAR4C,CAU5D,MAAOK,CAAAA,CAAS,CAACJ,IAAV,CAAe,SAAf,GAA6BC,CAAI,CAACD,IAAL,CAAU,SAAV,CACvC,CAXD,CAaA,MAAOT,CAAAA,CACV,CAlEK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Represents the notification processor (e.g. email, popup, jabber)\n *\n * @module     core_message/notification_processor\n * @class      notification_processor\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n    var SELECTORS = {\n        STATE_NONE: '[data-state=\"none\"]',\n        STATE_BOTH: '[data-state=\"both\"]',\n        STATE_LOGGED_IN: '[data-state=\"loggedin\"]',\n        STATE_LOGGED_OFF: '[data-state=\"loggedoff\"]',\n    };\n\n    /**\n     * Constructor for the notification processor.\n     *\n     * @param {object} element jQuery object root element of the processor\n     */\n    var NotificationProcessor = function(element) {\n        this.root = $(element);\n    };\n\n    /**\n     * Get the processor name.\n     *\n     * @method getName\n     * @return {string}\n     */\n    NotificationProcessor.prototype.getName = function() {\n        return this.root.attr('data-processor-name');\n    };\n\n    /**\n     * Check if the processor is enabled when the user is logged in.\n     *\n     * @method isLoggedInEnabled\n     * @return {bool}\n     */\n    NotificationProcessor.prototype.isLoggedInEnabled = function() {\n        var none = this.root.find(SELECTORS.STATE_NONE).find('input');\n\n        if (none.prop('checked')) {\n            return false;\n        }\n\n        var both = this.root.find(SELECTORS.STATE_BOTH).find('input');\n        var loggedIn = this.root.find(SELECTORS.STATE_LOGGED_IN).find('input');\n\n        return loggedIn.prop('checked') || both.prop('checked');\n    };\n\n    /**\n     * Check if the processor is enabled when the user is logged out.\n     *\n     * @method isLoggedOffEnabled\n     * @return {bool}\n     */\n    NotificationProcessor.prototype.isLoggedOffEnabled = function() {\n        var none = this.root.find(SELECTORS.STATE_NONE).find('input');\n\n        if (none.prop('checked')) {\n            return false;\n        }\n\n        var both = this.root.find(SELECTORS.STATE_BOTH).find('input');\n        var loggedOff = this.root.find(SELECTORS.STATE_LOGGED_OFF).find('input');\n\n        return loggedOff.prop('checked') || both.prop('checked');\n    };\n\n    return NotificationProcessor;\n});\n"],"file":"notification_processor.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification_processor.min.js","sources":["../src/notification_processor.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Represents the notification processor (e.g. email, popup, jabber)\n *\n * @module     core_message/notification_processor\n * @class      notification_processor\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n    var SELECTORS = {\n        STATE_NONE: '[data-state=\"none\"]',\n        STATE_BOTH: '[data-state=\"both\"]',\n        STATE_LOGGED_IN: '[data-state=\"loggedin\"]',\n        STATE_LOGGED_OFF: '[data-state=\"loggedoff\"]',\n    };\n\n    /**\n     * Constructor for the notification processor.\n     *\n     * @param {object} element jQuery object root element of the processor\n     */\n    var NotificationProcessor = function(element) {\n        this.root = $(element);\n    };\n\n    /**\n     * Get the processor name.\n     *\n     * @method getName\n     * @return {string}\n     */\n    NotificationProcessor.prototype.getName = function() {\n        return this.root.attr('data-processor-name');\n    };\n\n    /**\n     * Check if the processor is enabled when the user is logged in.\n     *\n     * @method isLoggedInEnabled\n     * @return {bool}\n     */\n    NotificationProcessor.prototype.isLoggedInEnabled = function() {\n        var none = this.root.find(SELECTORS.STATE_NONE).find('input');\n\n        if (none.prop('checked')) {\n            return false;\n        }\n\n        var both = this.root.find(SELECTORS.STATE_BOTH).find('input');\n        var loggedIn = this.root.find(SELECTORS.STATE_LOGGED_IN).find('input');\n\n        return loggedIn.prop('checked') || both.prop('checked');\n    };\n\n    /**\n     * Check if the processor is enabled when the user is logged out.\n     *\n     * @method isLoggedOffEnabled\n     * @return {bool}\n     */\n    NotificationProcessor.prototype.isLoggedOffEnabled = function() {\n        var none = this.root.find(SELECTORS.STATE_NONE).find('input');\n\n        if (none.prop('checked')) {\n            return false;\n        }\n\n        var both = this.root.find(SELECTORS.STATE_BOTH).find('input');\n        var loggedOff = this.root.find(SELECTORS.STATE_LOGGED_OFF).find('input');\n\n        return loggedOff.prop('checked') || both.prop('checked');\n    };\n\n    return NotificationProcessor;\n});\n"],"names":["define","$","SELECTORS","NotificationProcessor","element","root","prototype","getName","this","attr","isLoggedInEnabled","find","prop","both","isLoggedOffEnabled"],"mappings":";;;;;;;;;AAwBAA,6CAAO,CAAC,WAAW,SAASC,OACpBC,qBACY,sBADZA,qBAEY,sBAFZA,0BAGiB,0BAHjBA,2BAIkB,2BAQlBC,sBAAwB,SAASC,cAC5BC,KAAOJ,EAAEG,iBASlBD,sBAAsBG,UAAUC,QAAU,kBAC/BC,KAAKH,KAAKI,KAAK,wBAS1BN,sBAAsBG,UAAUI,kBAAoB,cACrCF,KAAKH,KAAKM,KAAKT,sBAAsBS,KAAK,SAE5CC,KAAK,kBACH,MAGPC,KAAOL,KAAKH,KAAKM,KAAKT,sBAAsBS,KAAK,gBACtCH,KAAKH,KAAKM,KAAKT,2BAA2BS,KAAK,SAE9CC,KAAK,YAAcC,KAAKD,KAAK,YASjDT,sBAAsBG,UAAUQ,mBAAqB,cACtCN,KAAKH,KAAKM,KAAKT,sBAAsBS,KAAK,SAE5CC,KAAK,kBACH,MAGPC,KAAOL,KAAKH,KAAKM,KAAKT,sBAAsBS,KAAK,gBACrCH,KAAKH,KAAKM,KAAKT,4BAA4BS,KAAK,SAE/CC,KAAK,YAAcC,KAAKD,KAAK,YAG3CT"}
\ No newline at end of file
diff --git a/message/amd/build/notification_processor_settings.min.js b/message/amd/build/notification_processor_settings.min.js
index 8852f1c1b85..6fee96389e9 100644
--- a/message/amd/build/notification_processor_settings.min.js
+++ b/message/amd/build/notification_processor_settings.min.js
@@ -1,2 +1,12 @@
-define ("core_message/notification_processor_settings",["jquery","core/ajax","core/str","core/notification","core/custom_interaction_events","core/modal","core/modal_registry","core/fragment"],function(a,b,c,d,e,f,g,h){var i=!1,j={SAVE_BUTTON:"[data-action=\"save\"]",CANCEL_BUTTON:"[data-action=\"cancel\"]",PROCESSOR:"[data-processor-name]",PREFERENCE_ROW:"[data-region=\"preference-row\"]"},k=function(a){f.call(this,a);this.name=null;this.userId=null;this.contextId=null;this.element=null;this.saveButton=this.getFooter().find(j.SAVE_BUTTON);this.cancelButton=this.getFooter().find(j.CANCEL_BUTTON)};k.TYPE="core_message-notification_processor_settings";k.prototype=Object.create(f.prototype);k.prototype.constructor=k;k.prototype.setUserId=function(a){this.userId=a};k.prototype.getUserId=function(){return this.userId};k.prototype.setElement=function(a){this.element=a};k.prototype.getElement=function(){return this.element};k.prototype.setName=function(a){this.name=a};k.prototype.getName=function(){return this.name};k.prototype.setContextId=function(a){this.contextId=a};k.prototype.getContextId=function(){return this.contextId};k.prototype.getForm=function(){return this.getBody().find("form")};k.prototype.disableButtons=function(){this.saveButton.prop("disabled",!0);this.cancelButton.prop("disabled",!0)};k.prototype.enableButtons=function(){this.saveButton.prop("disabled",!1);this.cancelButton.prop("disabled",!1)};k.prototype.loadTitleContent=function(){this.titlePromise=c.get_string("processorsettings","message");this.setTitle(this.titlePromise);return this.titlePromise};k.prototype.loadBodyContent=function(){this.disableButtons();var a={userid:this.getUserId(),type:this.getName()};this.bodyPromise=h.loadFragment("message","processor_settings",this.getContextId(),a);this.setBody(this.bodyPromise);this.bodyPromise.then(function(){this.enableButtons()}.bind(this)).fail(d.exception);return this.bodyPromise};k.prototype.loadAllContent=function(){return a.when(this.loadTitleContent(),this.loadBodyContent())};k.prototype.show=function(){this.loadAllContent();f.prototype.show.call(this)};k.prototype.hide=function(){f.prototype.hide.call(this);this.setContextId(null);this.setName(null);this.setUserId(null)};k.prototype.updateConfiguredStatus=function(){var c=a(this.getElement()).closest(j.PROCESSOR);if(!c.hasClass("unconfigured")){return!1}var e=c.attr("data-processor-name"),f={methodname:"core_message_get_message_processor",args:{name:e,userid:this.userId}};return b.call([f])[0].fail(d.exception).done(function(b){if(b.userconfigured){var d=a(j.PREFERENCE_ROW+" [data-processor-name=\""+e+"\"]");c.removeClass("unconfigured");d.removeClass("disabled")}})};k.prototype.registerEventListeners=function(){f.prototype.registerEventListeners.call(this);this.getModal().on(e.events.activate,j.SAVE_BUTTON,function(a,b){this.getForm().submit();b.originalEvent.preventDefault()}.bind(this));this.getModal().on("mpp:formsubmitted",function(a){this.hide();this.updateConfiguredStatus();a.stopPropagation()}.bind(this));this.getModal().on(e.events.activate,j.CANCEL_BUTTON,function(a,b){this.hide();b.originalEvent.preventDefault();a.stopPropagation()}.bind(this))};if(!i){g.register(k.TYPE,k,"core/modal_save_cancel");i=!0}return k});
-//# sourceMappingURL=notification_processor_settings.min.js.map
+/**
+ * Load the settings for a message processor.
+ *
+ * @module     core_message/notification_processor_settings
+ * @class      notification_processor_settings
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/notification_processor_settings",["jquery","core/ajax","core/str","core/notification","core/custom_interaction_events","core/modal","core/modal_registry","core/fragment"],(function($,Ajax,Str,Notification,CustomEvents,Modal,ModalRegistry,Fragment){var registered=!1,SELECTORS_SAVE_BUTTON='[data-action="save"]',SELECTORS_CANCEL_BUTTON='[data-action="cancel"]',SELECTORS_PROCESSOR="[data-processor-name]",SELECTORS_PREFERENCE_ROW='[data-region="preference-row"]',NotificationProcessorSettings=function(root){Modal.call(this,root),this.name=null,this.userId=null,this.contextId=null,this.element=null,this.saveButton=this.getFooter().find(SELECTORS_SAVE_BUTTON),this.cancelButton=this.getFooter().find(SELECTORS_CANCEL_BUTTON)};return NotificationProcessorSettings.TYPE="core_message-notification_processor_settings",(NotificationProcessorSettings.prototype=Object.create(Modal.prototype)).constructor=NotificationProcessorSettings,NotificationProcessorSettings.prototype.setUserId=function(id){this.userId=id},NotificationProcessorSettings.prototype.getUserId=function(){return this.userId},NotificationProcessorSettings.prototype.setElement=function(element){this.element=element},NotificationProcessorSettings.prototype.getElement=function(){return this.element},NotificationProcessorSettings.prototype.setName=function(name){this.name=name},NotificationProcessorSettings.prototype.getName=function(){return this.name},NotificationProcessorSettings.prototype.setContextId=function(id){this.contextId=id},NotificationProcessorSettings.prototype.getContextId=function(){return this.contextId},NotificationProcessorSettings.prototype.getForm=function(){return this.getBody().find("form")},NotificationProcessorSettings.prototype.disableButtons=function(){this.saveButton.prop("disabled",!0),this.cancelButton.prop("disabled",!0)},NotificationProcessorSettings.prototype.enableButtons=function(){this.saveButton.prop("disabled",!1),this.cancelButton.prop("disabled",!1)},NotificationProcessorSettings.prototype.loadTitleContent=function(){return this.titlePromise=Str.get_string("processorsettings","message"),this.setTitle(this.titlePromise),this.titlePromise},NotificationProcessorSettings.prototype.loadBodyContent=function(){this.disableButtons();var args={userid:this.getUserId(),type:this.getName()};return this.bodyPromise=Fragment.loadFragment("message","processor_settings",this.getContextId(),args),this.setBody(this.bodyPromise),this.bodyPromise.then(function(){this.enableButtons()}.bind(this)).fail(Notification.exception),this.bodyPromise},NotificationProcessorSettings.prototype.loadAllContent=function(){return $.when(this.loadTitleContent(),this.loadBodyContent())},NotificationProcessorSettings.prototype.show=function(){this.loadAllContent(),Modal.prototype.show.call(this)},NotificationProcessorSettings.prototype.hide=function(){Modal.prototype.hide.call(this),this.setContextId(null),this.setName(null),this.setUserId(null)},NotificationProcessorSettings.prototype.updateConfiguredStatus=function(){var processorHeader=$(this.getElement()).closest(SELECTORS_PROCESSOR);if(!processorHeader.hasClass("unconfigured"))return!1;var processorName=processorHeader.attr("data-processor-name"),request={methodname:"core_message_get_message_processor",args:{name:processorName,userid:this.userId}};return Ajax.call([request])[0].fail(Notification.exception).done((function(result){if(result.userconfigured){var notifications=$(SELECTORS_PREFERENCE_ROW+' [data-processor-name="'+processorName+'"]');processorHeader.removeClass("unconfigured"),notifications.removeClass("disabled")}}))},NotificationProcessorSettings.prototype.registerEventListeners=function(){Modal.prototype.registerEventListeners.call(this),this.getModal().on(CustomEvents.events.activate,SELECTORS_SAVE_BUTTON,function(e,data){this.getForm().submit(),data.originalEvent.preventDefault()}.bind(this)),this.getModal().on("mpp:formsubmitted",function(e){this.hide(),this.updateConfiguredStatus(),e.stopPropagation()}.bind(this)),this.getModal().on(CustomEvents.events.activate,SELECTORS_CANCEL_BUTTON,function(e,data){this.hide(),data.originalEvent.preventDefault(),e.stopPropagation()}.bind(this))},registered||(ModalRegistry.register(NotificationProcessorSettings.TYPE,NotificationProcessorSettings,"core/modal_save_cancel"),registered=!0),NotificationProcessorSettings}));
+
+//# sourceMappingURL=notification_processor_settings.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/notification_processor_settings.min.js.map b/message/amd/build/notification_processor_settings.min.js.map
index 61fafa6a70e..28acd92d99f 100644
--- a/message/amd/build/notification_processor_settings.min.js.map
+++ b/message/amd/build/notification_processor_settings.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the settings for a message processor.\n *\n * @module     core_message/notification_processor_settings\n * @class      notification_processor_settings\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/ajax',\n        'core/str',\n        'core/notification',\n        'core/custom_interaction_events',\n        'core/modal',\n        'core/modal_registry',\n        'core/fragment',\n        ],\n        function(\n            $,\n            Ajax,\n            Str,\n            Notification,\n            CustomEvents,\n            Modal,\n            ModalRegistry,\n            Fragment\n        ) {\n\n    var registered = false;\n    var SELECTORS = {\n        SAVE_BUTTON: '[data-action=\"save\"]',\n        CANCEL_BUTTON: '[data-action=\"cancel\"]',\n        PROCESSOR: '[data-processor-name]',\n        PREFERENCE_ROW: '[data-region=\"preference-row\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal.\n     */\n    var NotificationProcessorSettings = function(root) {\n        Modal.call(this, root);\n        this.name = null;\n        this.userId = null;\n        this.contextId = null;\n        this.element = null;\n        this.saveButton = this.getFooter().find(SELECTORS.SAVE_BUTTON);\n        this.cancelButton = this.getFooter().find(SELECTORS.CANCEL_BUTTON);\n    };\n\n    NotificationProcessorSettings.TYPE = 'core_message-notification_processor_settings';\n    NotificationProcessorSettings.prototype = Object.create(Modal.prototype);\n    NotificationProcessorSettings.prototype.constructor = NotificationProcessorSettings;\n\n    /**\n     * Set the userid to the given value.\n     *\n     * @method setUserId\n     * @param {int} id The notification userid\n     */\n    NotificationProcessorSettings.prototype.setUserId = function(id) {\n        this.userId = id;\n    };\n\n    /**\n     * Retrieve the current userid, if any.\n     *\n     * @method getUserId\n     * @return {int|null} The notification userid\n     */\n    NotificationProcessorSettings.prototype.getUserId = function() {\n        return this.userId;\n    };\n\n    /**\n     * Set the object to the given value.\n     *\n     * @method setElement\n     * @param {object} element The notification node element.\n     */\n    NotificationProcessorSettings.prototype.setElement = function(element) {\n        this.element = element;\n    };\n\n    /**\n     * Retrieve the current element, if any.\n     *\n     * @method getElement\n     * @return {object|null} The notification node element.\n     */\n    NotificationProcessorSettings.prototype.getElement = function() {\n        return this.element;\n    };\n\n    /**\n     * Set the name to the given value.\n     *\n     * @method setName\n     * @param {string} name The notification name.\n     */\n    NotificationProcessorSettings.prototype.setName = function(name) {\n        this.name = name;\n    };\n\n    /**\n     * Retrieve the current name, if any.\n     *\n     * @method getName\n     * @return {string|null} The notification name.\n     */\n    NotificationProcessorSettings.prototype.getName = function() {\n        return this.name;\n    };\n    /**\n     * Set the context id to the given value.\n     *\n     * @method setContextId\n     * @param {Number} id The notification context id\n     */\n    NotificationProcessorSettings.prototype.setContextId = function(id) {\n        this.contextId = id;\n    };\n\n    /**\n     * Retrieve the current context id, if any.\n     *\n     * @method getContextId\n     * @return {Number|null} The notification context id\n     */\n    NotificationProcessorSettings.prototype.getContextId = function() {\n        return this.contextId;\n    };\n\n    /**\n     * Get the form element from the modal.\n     *\n     * @method getForm\n     * @return {object}\n     */\n    NotificationProcessorSettings.prototype.getForm = function() {\n        return this.getBody().find('form');\n    };\n\n    /**\n     * Disable the buttons in the footer.\n     *\n     * @method disableButtons\n     */\n    NotificationProcessorSettings.prototype.disableButtons = function() {\n        this.saveButton.prop('disabled', true);\n        this.cancelButton.prop('disabled', true);\n    };\n\n    /**\n     * Enable the buttons in the footer.\n     *\n     * @method enableButtons\n     */\n    NotificationProcessorSettings.prototype.enableButtons = function() {\n        this.saveButton.prop('disabled', false);\n        this.cancelButton.prop('disabled', false);\n    };\n\n    /**\n     * Load the title for the modal to the appropriate value\n     * depending on message outputs.\n     *\n     * @method loadTitleContent\n     * @return {object} A promise resolved with the new title text.\n     */\n    NotificationProcessorSettings.prototype.loadTitleContent = function() {\n        this.titlePromise = Str.get_string('processorsettings', 'message');\n        this.setTitle(this.titlePromise);\n\n        return this.titlePromise;\n    };\n\n    /**\n     * Load the body for the modal to the appropriate value\n     * depending on message outputs.\n     *\n     * @method loadBodyContent\n     * @return {object} A promise resolved with the fragment html and js from\n     */\n    NotificationProcessorSettings.prototype.loadBodyContent = function() {\n        this.disableButtons();\n\n        var args = {\n            userid: this.getUserId(),\n            type: this.getName(),\n        };\n\n        this.bodyPromise = Fragment.loadFragment('message', 'processor_settings', this.getContextId(), args);\n        this.setBody(this.bodyPromise);\n\n        this.bodyPromise.then(function() {\n            this.enableButtons();\n            return;\n        }.bind(this))\n        .fail(Notification.exception);\n\n        return this.bodyPromise;\n    };\n\n    /**\n     * Load both the title and body content.\n     *\n     * @method loadAllContent\n     * @return {object} promise\n     */\n    NotificationProcessorSettings.prototype.loadAllContent = function() {\n        return $.when(this.loadTitleContent(), this.loadBodyContent());\n    };\n\n    /**\n     * Load the modal content before showing it. This\n     * is to allow us to re-use the same modal for creating and\n     * editing different message outputs within the page.\n     *\n     * @method show\n     */\n    NotificationProcessorSettings.prototype.show = function() {\n        this.loadAllContent();\n        Modal.prototype.show.call(this);\n    };\n\n    /**\n     * Clear the notification from the modal when it's closed so\n     * that it is loaded fresh next time it's displayed.\n     *\n     * @method hide\n     */\n    NotificationProcessorSettings.prototype.hide = function() {\n        Modal.prototype.hide.call(this);\n        this.setContextId(null);\n        this.setName(null);\n        this.setUserId(null);\n    };\n\n    /**\n     * Checks if the processor has been configured. If so then remove the unconfigured\n     * status from the interface.\n     *\n     * @method updateConfiguredStatus\n     * @return {Promise|boolean}\n     */\n    NotificationProcessorSettings.prototype.updateConfiguredStatus = function() {\n        var processorHeader = $(this.getElement()).closest(SELECTORS.PROCESSOR);\n\n        if (!processorHeader.hasClass('unconfigured')) {\n            return false;\n        }\n\n        var processorName = processorHeader.attr('data-processor-name');\n        var request = {\n            methodname: 'core_message_get_message_processor',\n            args: {\n                name: processorName,\n                userid: this.userId,\n            },\n        };\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .done(function(result) {\n                // Check if the user has figured configuring the processor.\n                if (result.userconfigured) {\n                    // If they have then we can enable the settings.\n                    var notifications = $(SELECTORS.PREFERENCE_ROW + ' [data-processor-name=\"' + processorName + '\"]');\n                    processorHeader.removeClass('unconfigured');\n                    notifications.removeClass('disabled');\n                }\n            });\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    NotificationProcessorSettings.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        // When the user clicks the save button we trigger the form submission.\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.SAVE_BUTTON, function(e, data) {\n            this.getForm().submit();\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        this.getModal().on('mpp:formsubmitted', function(e) {\n            this.hide();\n            this.updateConfiguredStatus();\n            e.stopPropagation();\n        }.bind(this));\n\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.CANCEL_BUTTON, function(e, data) {\n            this.hide();\n            data.originalEvent.preventDefault();\n            e.stopPropagation();\n        }.bind(this));\n    };\n\n    // Automatically register with the modal registry the first time this module is imported\n    // so that you can create modals\n    // of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(\n                                NotificationProcessorSettings.TYPE,\n                                NotificationProcessorSettings,\n                                'core/modal_save_cancel');\n        registered = true;\n    }\n\n    return NotificationProcessorSettings;\n});\n"],"file":"notification_processor_settings.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification_processor_settings.min.js","sources":["../src/notification_processor_settings.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Load the settings for a message processor.\n *\n * @module     core_message/notification_processor_settings\n * @class      notification_processor_settings\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/ajax',\n        'core/str',\n        'core/notification',\n        'core/custom_interaction_events',\n        'core/modal',\n        'core/modal_registry',\n        'core/fragment',\n        ],\n        function(\n            $,\n            Ajax,\n            Str,\n            Notification,\n            CustomEvents,\n            Modal,\n            ModalRegistry,\n            Fragment\n        ) {\n\n    var registered = false;\n    var SELECTORS = {\n        SAVE_BUTTON: '[data-action=\"save\"]',\n        CANCEL_BUTTON: '[data-action=\"cancel\"]',\n        PROCESSOR: '[data-processor-name]',\n        PREFERENCE_ROW: '[data-region=\"preference-row\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal.\n     */\n    var NotificationProcessorSettings = function(root) {\n        Modal.call(this, root);\n        this.name = null;\n        this.userId = null;\n        this.contextId = null;\n        this.element = null;\n        this.saveButton = this.getFooter().find(SELECTORS.SAVE_BUTTON);\n        this.cancelButton = this.getFooter().find(SELECTORS.CANCEL_BUTTON);\n    };\n\n    NotificationProcessorSettings.TYPE = 'core_message-notification_processor_settings';\n    NotificationProcessorSettings.prototype = Object.create(Modal.prototype);\n    NotificationProcessorSettings.prototype.constructor = NotificationProcessorSettings;\n\n    /**\n     * Set the userid to the given value.\n     *\n     * @method setUserId\n     * @param {int} id The notification userid\n     */\n    NotificationProcessorSettings.prototype.setUserId = function(id) {\n        this.userId = id;\n    };\n\n    /**\n     * Retrieve the current userid, if any.\n     *\n     * @method getUserId\n     * @return {int|null} The notification userid\n     */\n    NotificationProcessorSettings.prototype.getUserId = function() {\n        return this.userId;\n    };\n\n    /**\n     * Set the object to the given value.\n     *\n     * @method setElement\n     * @param {object} element The notification node element.\n     */\n    NotificationProcessorSettings.prototype.setElement = function(element) {\n        this.element = element;\n    };\n\n    /**\n     * Retrieve the current element, if any.\n     *\n     * @method getElement\n     * @return {object|null} The notification node element.\n     */\n    NotificationProcessorSettings.prototype.getElement = function() {\n        return this.element;\n    };\n\n    /**\n     * Set the name to the given value.\n     *\n     * @method setName\n     * @param {string} name The notification name.\n     */\n    NotificationProcessorSettings.prototype.setName = function(name) {\n        this.name = name;\n    };\n\n    /**\n     * Retrieve the current name, if any.\n     *\n     * @method getName\n     * @return {string|null} The notification name.\n     */\n    NotificationProcessorSettings.prototype.getName = function() {\n        return this.name;\n    };\n    /**\n     * Set the context id to the given value.\n     *\n     * @method setContextId\n     * @param {Number} id The notification context id\n     */\n    NotificationProcessorSettings.prototype.setContextId = function(id) {\n        this.contextId = id;\n    };\n\n    /**\n     * Retrieve the current context id, if any.\n     *\n     * @method getContextId\n     * @return {Number|null} The notification context id\n     */\n    NotificationProcessorSettings.prototype.getContextId = function() {\n        return this.contextId;\n    };\n\n    /**\n     * Get the form element from the modal.\n     *\n     * @method getForm\n     * @return {object}\n     */\n    NotificationProcessorSettings.prototype.getForm = function() {\n        return this.getBody().find('form');\n    };\n\n    /**\n     * Disable the buttons in the footer.\n     *\n     * @method disableButtons\n     */\n    NotificationProcessorSettings.prototype.disableButtons = function() {\n        this.saveButton.prop('disabled', true);\n        this.cancelButton.prop('disabled', true);\n    };\n\n    /**\n     * Enable the buttons in the footer.\n     *\n     * @method enableButtons\n     */\n    NotificationProcessorSettings.prototype.enableButtons = function() {\n        this.saveButton.prop('disabled', false);\n        this.cancelButton.prop('disabled', false);\n    };\n\n    /**\n     * Load the title for the modal to the appropriate value\n     * depending on message outputs.\n     *\n     * @method loadTitleContent\n     * @return {object} A promise resolved with the new title text.\n     */\n    NotificationProcessorSettings.prototype.loadTitleContent = function() {\n        this.titlePromise = Str.get_string('processorsettings', 'message');\n        this.setTitle(this.titlePromise);\n\n        return this.titlePromise;\n    };\n\n    /**\n     * Load the body for the modal to the appropriate value\n     * depending on message outputs.\n     *\n     * @method loadBodyContent\n     * @return {object} A promise resolved with the fragment html and js from\n     */\n    NotificationProcessorSettings.prototype.loadBodyContent = function() {\n        this.disableButtons();\n\n        var args = {\n            userid: this.getUserId(),\n            type: this.getName(),\n        };\n\n        this.bodyPromise = Fragment.loadFragment('message', 'processor_settings', this.getContextId(), args);\n        this.setBody(this.bodyPromise);\n\n        this.bodyPromise.then(function() {\n            this.enableButtons();\n            return;\n        }.bind(this))\n        .fail(Notification.exception);\n\n        return this.bodyPromise;\n    };\n\n    /**\n     * Load both the title and body content.\n     *\n     * @method loadAllContent\n     * @return {object} promise\n     */\n    NotificationProcessorSettings.prototype.loadAllContent = function() {\n        return $.when(this.loadTitleContent(), this.loadBodyContent());\n    };\n\n    /**\n     * Load the modal content before showing it. This\n     * is to allow us to re-use the same modal for creating and\n     * editing different message outputs within the page.\n     *\n     * @method show\n     */\n    NotificationProcessorSettings.prototype.show = function() {\n        this.loadAllContent();\n        Modal.prototype.show.call(this);\n    };\n\n    /**\n     * Clear the notification from the modal when it's closed so\n     * that it is loaded fresh next time it's displayed.\n     *\n     * @method hide\n     */\n    NotificationProcessorSettings.prototype.hide = function() {\n        Modal.prototype.hide.call(this);\n        this.setContextId(null);\n        this.setName(null);\n        this.setUserId(null);\n    };\n\n    /**\n     * Checks if the processor has been configured. If so then remove the unconfigured\n     * status from the interface.\n     *\n     * @method updateConfiguredStatus\n     * @return {Promise|boolean}\n     */\n    NotificationProcessorSettings.prototype.updateConfiguredStatus = function() {\n        var processorHeader = $(this.getElement()).closest(SELECTORS.PROCESSOR);\n\n        if (!processorHeader.hasClass('unconfigured')) {\n            return false;\n        }\n\n        var processorName = processorHeader.attr('data-processor-name');\n        var request = {\n            methodname: 'core_message_get_message_processor',\n            args: {\n                name: processorName,\n                userid: this.userId,\n            },\n        };\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .done(function(result) {\n                // Check if the user has figured configuring the processor.\n                if (result.userconfigured) {\n                    // If they have then we can enable the settings.\n                    var notifications = $(SELECTORS.PREFERENCE_ROW + ' [data-processor-name=\"' + processorName + '\"]');\n                    processorHeader.removeClass('unconfigured');\n                    notifications.removeClass('disabled');\n                }\n            });\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    NotificationProcessorSettings.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        // When the user clicks the save button we trigger the form submission.\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.SAVE_BUTTON, function(e, data) {\n            this.getForm().submit();\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        this.getModal().on('mpp:formsubmitted', function(e) {\n            this.hide();\n            this.updateConfiguredStatus();\n            e.stopPropagation();\n        }.bind(this));\n\n        this.getModal().on(CustomEvents.events.activate, SELECTORS.CANCEL_BUTTON, function(e, data) {\n            this.hide();\n            data.originalEvent.preventDefault();\n            e.stopPropagation();\n        }.bind(this));\n    };\n\n    // Automatically register with the modal registry the first time this module is imported\n    // so that you can create modals\n    // of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(\n                                NotificationProcessorSettings.TYPE,\n                                NotificationProcessorSettings,\n                                'core/modal_save_cancel');\n        registered = true;\n    }\n\n    return NotificationProcessorSettings;\n});\n"],"names":["define","$","Ajax","Str","Notification","CustomEvents","Modal","ModalRegistry","Fragment","registered","SELECTORS","NotificationProcessorSettings","root","call","this","name","userId","contextId","element","saveButton","getFooter","find","cancelButton","TYPE","prototype","Object","create","constructor","setUserId","id","getUserId","setElement","getElement","setName","getName","setContextId","getContextId","getForm","getBody","disableButtons","prop","enableButtons","loadTitleContent","titlePromise","get_string","setTitle","loadBodyContent","args","userid","type","bodyPromise","loadFragment","setBody","then","bind","fail","exception","loadAllContent","when","show","hide","updateConfiguredStatus","processorHeader","closest","hasClass","processorName","attr","request","methodname","done","result","userconfigured","notifications","removeClass","registerEventListeners","getModal","on","events","activate","e","data","submit","originalEvent","preventDefault","stopPropagation","register"],"mappings":";;;;;;;;;AAwBAA,sDAAO,CACC,SACA,YACA,WACA,oBACA,iCACA,aACA,sBACA,kBAEA,SACIC,EACAC,KACAC,IACAC,aACAC,aACAC,MACAC,cACAC,cAGJC,YAAa,EACbC,sBACa,uBADbA,wBAEe,yBAFfA,oBAGW,wBAHXA,yBAIgB,iCAQhBC,8BAAgC,SAASC,MACzCN,MAAMO,KAAKC,KAAMF,WACZG,KAAO,UACPC,OAAS,UACTC,UAAY,UACZC,QAAU,UACVC,WAAaL,KAAKM,YAAYC,KAAKX,4BACnCY,aAAeR,KAAKM,YAAYC,KAAKX,iCAG9CC,8BAA8BY,KAAO,gDACrCZ,8BAA8Ba,UAAYC,OAAOC,OAAOpB,MAAMkB,YACtBG,YAAchB,8BAQtDA,8BAA8Ba,UAAUI,UAAY,SAASC,SACpDb,OAASa,IASlBlB,8BAA8Ba,UAAUM,UAAY,kBACzChB,KAAKE,QAShBL,8BAA8Ba,UAAUO,WAAa,SAASb,cACrDA,QAAUA,SASnBP,8BAA8Ba,UAAUQ,WAAa,kBAC1ClB,KAAKI,SAShBP,8BAA8Ba,UAAUS,QAAU,SAASlB,WAClDA,KAAOA,MAShBJ,8BAA8Ba,UAAUU,QAAU,kBACvCpB,KAAKC,MAQhBJ,8BAA8Ba,UAAUW,aAAe,SAASN,SACvDZ,UAAYY,IASrBlB,8BAA8Ba,UAAUY,aAAe,kBAC5CtB,KAAKG,WAShBN,8BAA8Ba,UAAUa,QAAU,kBACvCvB,KAAKwB,UAAUjB,KAAK,SAQ/BV,8BAA8Ba,UAAUe,eAAiB,gBAChDpB,WAAWqB,KAAK,YAAY,QAC5BlB,aAAakB,KAAK,YAAY,IAQvC7B,8BAA8Ba,UAAUiB,cAAgB,gBAC/CtB,WAAWqB,KAAK,YAAY,QAC5BlB,aAAakB,KAAK,YAAY,IAUvC7B,8BAA8Ba,UAAUkB,iBAAmB,uBAClDC,aAAexC,IAAIyC,WAAW,oBAAqB,gBACnDC,SAAS/B,KAAK6B,cAEZ7B,KAAK6B,cAUhBhC,8BAA8Ba,UAAUsB,gBAAkB,gBACjDP,qBAEDQ,KAAO,CACPC,OAAQlC,KAAKgB,YACbmB,KAAMnC,KAAKoB,uBAGVgB,YAAc1C,SAAS2C,aAAa,UAAW,qBAAsBrC,KAAKsB,eAAgBW,WAC1FK,QAAQtC,KAAKoC,kBAEbA,YAAYG,KAAK,gBACbZ,iBAEPa,KAAKxC,OACNyC,KAAKnD,aAAaoD,WAEZ1C,KAAKoC,aAShBvC,8BAA8Ba,UAAUiC,eAAiB,kBAC9CxD,EAAEyD,KAAK5C,KAAK4B,mBAAoB5B,KAAKgC,oBAUhDnC,8BAA8Ba,UAAUmC,KAAO,gBACtCF,iBACLnD,MAAMkB,UAAUmC,KAAK9C,KAAKC,OAS9BH,8BAA8Ba,UAAUoC,KAAO,WAC3CtD,MAAMkB,UAAUoC,KAAK/C,KAAKC,WACrBqB,aAAa,WACbF,QAAQ,WACRL,UAAU,OAUnBjB,8BAA8Ba,UAAUqC,uBAAyB,eACzDC,gBAAkB7D,EAAEa,KAAKkB,cAAc+B,QAAQrD,yBAE9CoD,gBAAgBE,SAAS,uBACnB,MAGPC,cAAgBH,gBAAgBI,KAAK,uBACrCC,QAAU,CACVC,WAAY,qCACZrB,KAAM,CACFhC,KAAMkD,cACNjB,OAAQlC,KAAKE,gBAIdd,KAAKW,KAAK,CAACsD,UAAU,GACvBZ,KAAKnD,aAAaoD,WAClBa,MAAK,SAASC,WAEPA,OAAOC,eAAgB,KAEnBC,cAAgBvE,EAAES,yBAA2B,0BAA4BuD,cAAgB,MAC7FH,gBAAgBW,YAAY,gBAC5BD,cAAcC,YAAY,iBAU1C9D,8BAA8Ba,UAAUkD,uBAAyB,WAE7DpE,MAAMkB,UAAUkD,uBAAuB7D,KAAKC,WAGvC6D,WAAWC,GAAGvE,aAAawE,OAAOC,SAAUpE,sBAAuB,SAASqE,EAAGC,WAC3E3C,UAAU4C,SACfD,KAAKE,cAAcC,kBACrB7B,KAAKxC,YAEF6D,WAAWC,GAAG,oBAAqB,SAASG,QACxCnB,YACAC,yBACLkB,EAAEK,mBACJ9B,KAAKxC,YAEF6D,WAAWC,GAAGvE,aAAawE,OAAOC,SAAUpE,wBAAyB,SAASqE,EAAGC,WAC7EpB,OACLoB,KAAKE,cAAcC,iBACnBJ,EAAEK,mBACJ9B,KAAKxC,QAMNL,aACDF,cAAc8E,SACU1E,8BAA8BY,KAC9BZ,8BACA,0BACxBF,YAAa,GAGVE"}
\ No newline at end of file
diff --git a/message/amd/build/preferences_notifications_list_controller.min.js b/message/amd/build/preferences_notifications_list_controller.min.js
index 1cc4ef29e19..91fc0de211b 100644
--- a/message/amd/build/preferences_notifications_list_controller.min.js
+++ b/message/amd/build/preferences_notifications_list_controller.min.js
@@ -1,2 +1,13 @@
-define ("core_message/preferences_notifications_list_controller",["jquery","core/ajax","core/notification","core/custom_interaction_events","core_message/notification_preference","core_message/notification_processor_settings","core/modal_factory"],function(a,b,c,d,f,g,h){var i={DISABLE_NOTIFICATIONS:"[data-region=\"disable-notification-container\"] [data-disable-notifications]",DISABLE_NOTIFICATIONS_CONTAINER:"[data-region=\"disable-notification-container\"]",PREFERENCE:"[data-state]",PREFERENCE_ROW:"[data-region=\"preference-row\"]",PREFERENCE_INPUT:"[data-state] input",PROCESSOR_SETTING:"[data-processor-setting]"},j=function(b){this.root=a(b);this.userId=this.root.attr("data-user-id");this.registerEventListeners()};j.prototype.isDisabled=function(){return this.root.hasClass("disabled")};j.prototype.setDisabled=function(){this.root.addClass("disabled");this.root.find(i.PREFERENCE_INPUT).prop("disabled",!0)};j.prototype.setEnabled=function(){this.root.removeClass("disabled");this.root.find(i.PREFERENCE_INPUT).prop("disabled",!1)};j.prototype.toggleDisableAllStatus=function(){var d=a(i.DISABLE_NOTIFICATIONS),e=a(i.DISABLE_NOTIFICATIONS_CONTAINER),f=d.prop("checked");if(e.hasClass("loading")){return a.Deferred().resolve()}e.addClass("loading");var g={methodname:"core_user_update_user_preferences",args:{userid:this.userId,emailstop:f?1:0}};return b.call([g])[0].done(function(){if(f){this.setDisabled()}else{this.setEnabled()}}.bind(this)).always(function(){e.removeClass("loading")}).fail(c.exception)};j.prototype.registerEventListeners=function(){var b=a(i.DISABLE_NOTIFICATIONS);d.define(this.root,[d.events.activate]);this.root.on("change",function(b){if(!this.isDisabled()){var c=a(b.target).closest(i.PREFERENCE),d=a(b.target).closest(i.PREFERENCE_ROW),e=new f(d,this.userId);c.addClass("loading");e.save().always(function(){c.removeClass("loading")})}}.bind(this));var j=h.create({type:g.TYPE});this.root.on(d.events.activate,i.PROCESSOR_SETTING,function(b){var d=a(b.target).closest(i.PROCESSOR_SETTING);b.preventDefault();j.then(function(c){c.setUserId(a(d).attr("data-user-id"));c.setName(a(d).attr("data-name"));c.setContextId(a(d).attr("data-context-id"));c.setElement(d);c.show();b.stopImmediatePropagation()}).fail(c.exception)});d.define(b,[d.events.activate]);b.on(d.events.activate,function(){this.toggleDisableAllStatus()}.bind(this))};return j});
-//# sourceMappingURL=preferences_notifications_list_controller.min.js.map
+/**
+ * Controls the preferences for the list of notification types on the
+ * message preference page
+ *
+ * @module     core_message/preferences_notifications_list_controller
+ * @class      preferences_notifications_list_controller
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/preferences_notifications_list_controller",["jquery","core/ajax","core/notification","core/custom_interaction_events","core_message/notification_preference","core_message/notification_processor_settings","core/modal_factory"],(function($,Ajax,Notification,CustomEvents,NotificationPreference,NotificationProcessorSettings,ModalFactory){var SELECTORS_DISABLE_NOTIFICATIONS='[data-region="disable-notification-container"] [data-disable-notifications]',SELECTORS_DISABLE_NOTIFICATIONS_CONTAINER='[data-region="disable-notification-container"]',SELECTORS_PREFERENCE="[data-state]",SELECTORS_PREFERENCE_ROW='[data-region="preference-row"]',SELECTORS_PREFERENCE_INPUT="[data-state] input",SELECTORS_PROCESSOR_SETTING="[data-processor-setting]",PreferencesController=function(element){this.root=$(element),this.userId=this.root.attr("data-user-id"),this.registerEventListeners()};return PreferencesController.prototype.isDisabled=function(){return this.root.hasClass("disabled")},PreferencesController.prototype.setDisabled=function(){this.root.addClass("disabled"),this.root.find(SELECTORS_PREFERENCE_INPUT).prop("disabled",!0)},PreferencesController.prototype.setEnabled=function(){this.root.removeClass("disabled"),this.root.find(SELECTORS_PREFERENCE_INPUT).prop("disabled",!1)},PreferencesController.prototype.toggleDisableAllStatus=function(){var checkbox=$(SELECTORS_DISABLE_NOTIFICATIONS),container=$(SELECTORS_DISABLE_NOTIFICATIONS_CONTAINER),ischecked=checkbox.prop("checked");if(container.hasClass("loading"))return $.Deferred().resolve();container.addClass("loading");var request={methodname:"core_user_update_user_preferences",args:{userid:this.userId,emailstop:ischecked?1:0}};return Ajax.call([request])[0].done(function(){ischecked?this.setDisabled():this.setEnabled()}.bind(this)).always((function(){container.removeClass("loading")})).fail(Notification.exception)},PreferencesController.prototype.registerEventListeners=function(){var disabledNotificationsElement=$(SELECTORS_DISABLE_NOTIFICATIONS);CustomEvents.define(this.root,[CustomEvents.events.activate]),this.root.on("change",function(e){if(!this.isDisabled()){var preferenceElement=$(e.target).closest(SELECTORS_PREFERENCE),preferenceRow=$(e.target).closest(SELECTORS_PREFERENCE_ROW),preference=new NotificationPreference(preferenceRow,this.userId);preferenceElement.addClass("loading"),preference.save().always((function(){preferenceElement.removeClass("loading")}))}}.bind(this));var eventFormPromise=ModalFactory.create({type:NotificationProcessorSettings.TYPE});this.root.on(CustomEvents.events.activate,SELECTORS_PROCESSOR_SETTING,(function(e){var element=$(e.target).closest(SELECTORS_PROCESSOR_SETTING);e.preventDefault(),eventFormPromise.then((function(modal){modal.setUserId($(element).attr("data-user-id")),modal.setName($(element).attr("data-name")),modal.setContextId($(element).attr("data-context-id")),modal.setElement(element),modal.show(),e.stopImmediatePropagation()})).fail(Notification.exception)})),CustomEvents.define(disabledNotificationsElement,[CustomEvents.events.activate]),disabledNotificationsElement.on(CustomEvents.events.activate,function(){this.toggleDisableAllStatus()}.bind(this))},PreferencesController}));
+
+//# sourceMappingURL=preferences_notifications_list_controller.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/preferences_notifications_list_controller.min.js.map b/message/amd/build/preferences_notifications_list_controller.min.js.map
index 817dea04ee9..93d816af25b 100644
--- a/message/amd/build/preferences_notifications_list_controller.min.js.map
+++ b/message/amd/build/preferences_notifications_list_controller.min.js.map
@@ -1 +1 @@
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the preferences for the list of notification types on the\n * message preference page\n *\n * @module     core_message/preferences_notifications_list_controller\n * @class      preferences_notifications_list_controller\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/ajax',\n        'core/notification',\n        'core/custom_interaction_events',\n        'core_message/notification_preference',\n        'core_message/notification_processor_settings',\n        'core/modal_factory',\n        ],\n        function(\n          $,\n          Ajax,\n          Notification,\n          CustomEvents,\n          NotificationPreference,\n          NotificationProcessorSettings,\n          ModalFactory\n        ) {\n\n    var SELECTORS = {\n        DISABLE_NOTIFICATIONS: '[data-region=\"disable-notification-container\"] [data-disable-notifications]',\n        DISABLE_NOTIFICATIONS_CONTAINER: '[data-region=\"disable-notification-container\"]',\n        PREFERENCE: '[data-state]',\n        PREFERENCE_ROW: '[data-region=\"preference-row\"]',\n        PREFERENCE_INPUT: '[data-state] input',\n        PROCESSOR_SETTING: '[data-processor-setting]',\n    };\n\n    /**\n     * Constructor for the PreferencesController.\n     *\n     * @param {object} element jQuery object root element of the preference\n     */\n    var PreferencesController = function(element) {\n        this.root = $(element);\n        this.userId = this.root.attr('data-user-id');\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Check if the preferences are all disabled.\n     *\n     * @method isDisabled\n     * @return {bool}\n     */\n    PreferencesController.prototype.isDisabled = function() {\n        return this.root.hasClass('disabled');\n    };\n\n    /**\n     * Disable all of the preferences.\n     *\n     * @method setDisabled\n     */\n    PreferencesController.prototype.setDisabled = function() {\n        this.root.addClass('disabled');\n        this.root.find(SELECTORS.PREFERENCE_INPUT).prop('disabled', true);\n    };\n\n    /**\n     * Enable all of the preferences.\n     *\n     * @method setEnabled\n     */\n    PreferencesController.prototype.setEnabled = function() {\n        this.root.removeClass('disabled');\n        this.root.find(SELECTORS.PREFERENCE_INPUT).prop('disabled', false);\n    };\n\n    /**\n      * Update the disable all notifications user property in the DOM and\n      * send a request to update on the server.\n      *\n      * @method toggleDisableAllStatus\n      * @return {Promise}\n      */\n    PreferencesController.prototype.toggleDisableAllStatus = function() {\n        var checkbox = $(SELECTORS.DISABLE_NOTIFICATIONS);\n        var container = $(SELECTORS.DISABLE_NOTIFICATIONS_CONTAINER);\n        var ischecked = checkbox.prop('checked');\n\n        if (container.hasClass('loading')) {\n            return $.Deferred().resolve();\n        }\n\n        container.addClass('loading');\n\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: {\n                userid: this.userId,\n                emailstop: ischecked ? 1 : 0,\n            }\n        };\n\n        return Ajax.call([request])[0]\n            .done(function() {\n                if (ischecked) {\n                    this.setDisabled();\n                } else {\n                    this.setEnabled();\n                }\n            }.bind(this))\n            .always(function() {\n                container.removeClass('loading');\n            })\n            .fail(Notification.exception);\n    };\n\n    /**\n      * Set up all of the event listeners for the PreferencesController.\n      *\n      * @method registerEventListeners\n      */\n    PreferencesController.prototype.registerEventListeners = function() {\n        var disabledNotificationsElement = $(SELECTORS.DISABLE_NOTIFICATIONS);\n\n        CustomEvents.define(this.root, [\n            CustomEvents.events.activate,\n        ]);\n\n        this.root.on('change', function(e) {\n            if (!this.isDisabled()) {\n                var preferenceElement = $(e.target).closest(SELECTORS.PREFERENCE);\n                var preferenceRow = $(e.target).closest(SELECTORS.PREFERENCE_ROW);\n                var preference = new NotificationPreference(preferenceRow, this.userId);\n\n                preferenceElement.addClass('loading');\n                preference.save().always(function() {\n                    preferenceElement.removeClass('loading');\n                });\n            }\n        }.bind(this));\n\n        var eventFormPromise = ModalFactory.create({\n            type: NotificationProcessorSettings.TYPE,\n        });\n\n        this.root.on(CustomEvents.events.activate, SELECTORS.PROCESSOR_SETTING, function(e) {\n            var element = $(e.target).closest(SELECTORS.PROCESSOR_SETTING);\n\n            e.preventDefault();\n            eventFormPromise.then(function(modal) {\n                // Configure modal with element settings.\n                modal.setUserId($(element).attr('data-user-id'));\n                modal.setName($(element).attr('data-name'));\n                modal.setContextId($(element).attr('data-context-id'));\n                modal.setElement(element);\n                modal.show();\n\n                e.stopImmediatePropagation();\n                return;\n            }).fail(Notification.exception);\n        });\n\n        CustomEvents.define(disabledNotificationsElement, [\n            CustomEvents.events.activate\n        ]);\n\n        disabledNotificationsElement.on(CustomEvents.events.activate, function() {\n            this.toggleDisableAllStatus();\n        }.bind(this));\n    };\n\n    return PreferencesController;\n});\n"],"file":"preferences_notifications_list_controller.min.js"}
\ No newline at end of file
+{"version":3,"file":"preferences_notifications_list_controller.min.js","sources":["../src/preferences_notifications_list_controller.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the preferences for the list of notification types on the\n * message preference page\n *\n * @module     core_message/preferences_notifications_list_controller\n * @class      preferences_notifications_list_controller\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery',\n        'core/ajax',\n        'core/notification',\n        'core/custom_interaction_events',\n        'core_message/notification_preference',\n        'core_message/notification_processor_settings',\n        'core/modal_factory',\n        ],\n        function(\n          $,\n          Ajax,\n          Notification,\n          CustomEvents,\n          NotificationPreference,\n          NotificationProcessorSettings,\n          ModalFactory\n        ) {\n\n    var SELECTORS = {\n        DISABLE_NOTIFICATIONS: '[data-region=\"disable-notification-container\"] [data-disable-notifications]',\n        DISABLE_NOTIFICATIONS_CONTAINER: '[data-region=\"disable-notification-container\"]',\n        PREFERENCE: '[data-state]',\n        PREFERENCE_ROW: '[data-region=\"preference-row\"]',\n        PREFERENCE_INPUT: '[data-state] input',\n        PROCESSOR_SETTING: '[data-processor-setting]',\n    };\n\n    /**\n     * Constructor for the PreferencesController.\n     *\n     * @param {object} element jQuery object root element of the preference\n     */\n    var PreferencesController = function(element) {\n        this.root = $(element);\n        this.userId = this.root.attr('data-user-id');\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Check if the preferences are all disabled.\n     *\n     * @method isDisabled\n     * @return {bool}\n     */\n    PreferencesController.prototype.isDisabled = function() {\n        return this.root.hasClass('disabled');\n    };\n\n    /**\n     * Disable all of the preferences.\n     *\n     * @method setDisabled\n     */\n    PreferencesController.prototype.setDisabled = function() {\n        this.root.addClass('disabled');\n        this.root.find(SELECTORS.PREFERENCE_INPUT).prop('disabled', true);\n    };\n\n    /**\n     * Enable all of the preferences.\n     *\n     * @method setEnabled\n     */\n    PreferencesController.prototype.setEnabled = function() {\n        this.root.removeClass('disabled');\n        this.root.find(SELECTORS.PREFERENCE_INPUT).prop('disabled', false);\n    };\n\n    /**\n      * Update the disable all notifications user property in the DOM and\n      * send a request to update on the server.\n      *\n      * @method toggleDisableAllStatus\n      * @return {Promise}\n      */\n    PreferencesController.prototype.toggleDisableAllStatus = function() {\n        var checkbox = $(SELECTORS.DISABLE_NOTIFICATIONS);\n        var container = $(SELECTORS.DISABLE_NOTIFICATIONS_CONTAINER);\n        var ischecked = checkbox.prop('checked');\n\n        if (container.hasClass('loading')) {\n            return $.Deferred().resolve();\n        }\n\n        container.addClass('loading');\n\n        var request = {\n            methodname: 'core_user_update_user_preferences',\n            args: {\n                userid: this.userId,\n                emailstop: ischecked ? 1 : 0,\n            }\n        };\n\n        return Ajax.call([request])[0]\n            .done(function() {\n                if (ischecked) {\n                    this.setDisabled();\n                } else {\n                    this.setEnabled();\n                }\n            }.bind(this))\n            .always(function() {\n                container.removeClass('loading');\n            })\n            .fail(Notification.exception);\n    };\n\n    /**\n      * Set up all of the event listeners for the PreferencesController.\n      *\n      * @method registerEventListeners\n      */\n    PreferencesController.prototype.registerEventListeners = function() {\n        var disabledNotificationsElement = $(SELECTORS.DISABLE_NOTIFICATIONS);\n\n        CustomEvents.define(this.root, [\n            CustomEvents.events.activate,\n        ]);\n\n        this.root.on('change', function(e) {\n            if (!this.isDisabled()) {\n                var preferenceElement = $(e.target).closest(SELECTORS.PREFERENCE);\n                var preferenceRow = $(e.target).closest(SELECTORS.PREFERENCE_ROW);\n                var preference = new NotificationPreference(preferenceRow, this.userId);\n\n                preferenceElement.addClass('loading');\n                preference.save().always(function() {\n                    preferenceElement.removeClass('loading');\n                });\n            }\n        }.bind(this));\n\n        var eventFormPromise = ModalFactory.create({\n            type: NotificationProcessorSettings.TYPE,\n        });\n\n        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\ No newline at end of file
diff --git a/message/amd/build/preferences_processor_form.min.js b/message/amd/build/preferences_processor_form.min.js
index f52e9fa93b5..cad08ed79d1 100644
--- a/message/amd/build/preferences_processor_form.min.js
+++ b/message/amd/build/preferences_processor_form.min.js
@@ -1,2 +1,12 @@
-define ("core_message/preferences_processor_form",["jquery","core/ajax","core/notification"],function(a,b,c){var d=function(b){this.root=a(b);this.userId=this.root.attr("data-user-id");this.name=this.root.attr("data-processor-name");this.root.find("form").on("submit",function(c){c.preventDefault();this.save().done(function(){a(b).trigger("mpp:formsubmitted")})}.bind(this))};d.prototype.startLoading=function(){this.root.addClass("loading")};d.prototype.stopLoading=function(){this.root.removeClass("loading")};d.prototype.isLoading=function(){return this.root.hasClass("loading")};d.prototype.save=function(){if(this.isLoading()){return a.Deferred()}this.startLoading();var d=this.root.find("form").serializeArray(),e={methodname:"core_message_message_processor_config_form",args:{userid:this.userId,name:this.name,formvalues:d}};return b.call([e])[0].fail(c.exception).always(function(){this.stopLoading()}.bind(this))};return d});
-//# sourceMappingURL=preferences_processor_form.min.js.map
+/**
+ * Manages the processor form on the message preferences page.
+ *
+ * @module     core_message/preferences_processor_form
+ * @class      preferences_processor_form
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/preferences_processor_form",["jquery","core/ajax","core/notification"],(function($,Ajax,Notification){var ProcessorForm=function(element){this.root=$(element),this.userId=this.root.attr("data-user-id"),this.name=this.root.attr("data-processor-name"),this.root.find("form").on("submit",function(e){e.preventDefault(),this.save().done((function(){$(element).trigger("mpp:formsubmitted")}))}.bind(this))};return ProcessorForm.prototype.startLoading=function(){this.root.addClass("loading")},ProcessorForm.prototype.stopLoading=function(){this.root.removeClass("loading")},ProcessorForm.prototype.isLoading=function(){return this.root.hasClass("loading")},ProcessorForm.prototype.save=function(){if(this.isLoading())return $.Deferred();this.startLoading();var data=this.root.find("form").serializeArray(),request={methodname:"core_message_message_processor_config_form",args:{userid:this.userId,name:this.name,formvalues:data}};return Ajax.call([request])[0].fail(Notification.exception).always(function(){this.stopLoading()}.bind(this))},ProcessorForm}));
+
+//# sourceMappingURL=preferences_processor_form.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/preferences_processor_form.min.js.map b/message/amd/build/preferences_processor_form.min.js.map
index d534f016cf4..571a0baeea6 100644
--- a/message/amd/build/preferences_processor_form.min.js.map
+++ b/message/amd/build/preferences_processor_form.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/preferences_processor_form.js"],"names":["define","$","Ajax","Notification","ProcessorForm","element","root","userId","attr","name","find","on","e","preventDefault","save","done","trigger","bind","prototype","startLoading","addClass","stopLoading","removeClass","isLoading","hasClass","Deferred","data","serializeArray","request","methodname","args","userid","formvalues","call","fail","exception","always"],"mappings":"AAwBAA,OAAM,2CAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,mBAAxB,CAAD,CACE,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAgC,CAMpC,GAAIC,CAAAA,CAAa,CAAG,SAASC,CAAT,CAAkB,CAClC,KAAKC,IAAL,CAAYL,CAAC,CAACI,CAAD,CAAb,CACA,KAAKE,MAAL,CAAc,KAAKD,IAAL,CAAUE,IAAV,CAAe,cAAf,CAAd,CACA,KAAKC,IAAL,CAAY,KAAKH,IAAL,CAAUE,IAAV,CAAe,qBAAf,CAAZ,CAEA,KAAKF,IAAL,CAAUI,IAAV,CAAe,MAAf,EAAuBC,EAAvB,CAA0B,QAA1B,CAAoC,SAASC,CAAT,CAAY,CAC5CA,CAAC,CAACC,cAAF,GACA,KAAKC,IAAL,GAAYC,IAAZ,CAAiB,UAAW,CACxBd,CAAC,CAACI,CAAD,CAAD,CAAWW,OAAX,CAAmB,mBAAnB,CACH,CAFD,CAGH,CALmC,CAKlCC,IALkC,CAK7B,IAL6B,CAApC,CAMH,CAXD,CAkBAb,CAAa,CAACc,SAAd,CAAwBC,YAAxB,CAAuC,UAAW,CAC9C,KAAKb,IAAL,CAAUc,QAAV,CAAmB,SAAnB,CACH,CAFD,CASAhB,CAAa,CAACc,SAAd,CAAwBG,WAAxB,CAAsC,UAAW,CAC7C,KAAKf,IAAL,CAAUgB,WAAV,CAAsB,SAAtB,CACH,CAFD,CAUAlB,CAAa,CAACc,SAAd,CAAwBK,SAAxB,CAAoC,UAAW,CAC3C,MAAO,MAAKjB,IAAL,CAAUkB,QAAV,CAAmB,SAAnB,CACV,CAFD,CAUApB,CAAa,CAACc,SAAd,CAAwBJ,IAAxB,CAA+B,UAAW,CACtC,GAAI,KAAKS,SAAL,EAAJ,CAAsB,CAClB,MAAOtB,CAAAA,CAAC,CAACwB,QAAF,EACV,CAED,KAAKN,YAAL,GALsC,GAOlCO,CAAAA,CAAI,CAAG,KAAKpB,IAAL,CAAUI,IAAV,CAAe,MAAf,EAAuBiB,cAAvB,EAP2B,CAQlCC,CAAO,CAAG,CACVC,UAAU,CAAE,4CADF,CAEVC,IAAI,CAAE,CACFC,MAAM,CAAE,KAAKxB,MADX,CAEFE,IAAI,CAAE,KAAKA,IAFT,CAGFuB,UAAU,CAAEN,CAHV,CAFI,CARwB,CAiBtC,MAAOxB,CAAAA,CAAI,CAAC+B,IAAL,CAAU,CAACL,CAAD,CAAV,EAAqB,CAArB,EACFM,IADE,CACG/B,CAAY,CAACgC,SADhB,EAEFC,MAFE,CAEK,UAAW,CACf,KAAKf,WAAL,EACH,CAFO,CAENJ,IAFM,CAED,IAFC,CAFL,CAKV,CAtBD,CAwBA,MAAOb,CAAAA,CACV,CA/EK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manages the processor form on the message preferences page.\n *\n * @module     core_message/preferences_processor_form\n * @class      preferences_processor_form\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification'],\n        function($, Ajax, Notification) {\n    /**\n     * Constructor for the ProcessorForm.\n     *\n     * @param {object} element jQuery object root element of the preference\n     */\n    var ProcessorForm = function(element) {\n        this.root = $(element);\n        this.userId = this.root.attr('data-user-id');\n        this.name = this.root.attr('data-processor-name');\n\n        this.root.find('form').on('submit', function(e) {\n            e.preventDefault();\n            this.save().done(function() {\n                $(element).trigger('mpp:formsubmitted');\n            });\n        }.bind(this));\n    };\n\n    /**\n     * Flag the processor as loading.\n     *\n     * @method startLoading\n     */\n    ProcessorForm.prototype.startLoading = function() {\n        this.root.addClass('loading');\n    };\n\n    /**\n     * Remove the loading flag for this processor.\n     *\n     * @method stopLoading\n     */\n    ProcessorForm.prototype.stopLoading = function() {\n        this.root.removeClass('loading');\n    };\n\n    /**\n     * Check if this processor is loading.\n     *\n     * @method isLoading\n     * @return {bool}\n     */\n    ProcessorForm.prototype.isLoading = function() {\n        return this.root.hasClass('loading');\n    };\n\n    /**\n     * Persist the processor configuration.\n     *\n     * @method save\n     * @return {object} jQuery promise\n     */\n    ProcessorForm.prototype.save = function() {\n        if (this.isLoading()) {\n            return $.Deferred();\n        }\n\n        this.startLoading();\n\n        var data = this.root.find('form').serializeArray();\n        var request = {\n            methodname: 'core_message_message_processor_config_form',\n            args: {\n                userid: this.userId,\n                name: this.name,\n                formvalues: data,\n            }\n        };\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .always(function() {\n                this.stopLoading();\n            }.bind(this));\n    };\n\n    return ProcessorForm;\n});\n"],"file":"preferences_processor_form.min.js"}
\ No newline at end of file
+{"version":3,"file":"preferences_processor_form.min.js","sources":["../src/preferences_processor_form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manages the processor form on the message preferences page.\n *\n * @module     core_message/preferences_processor_form\n * @class      preferences_processor_form\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/notification'],\n        function($, Ajax, Notification) {\n    /**\n     * Constructor for the ProcessorForm.\n     *\n     * @param {object} element jQuery object root element of the preference\n     */\n    var ProcessorForm = function(element) {\n        this.root = $(element);\n        this.userId = this.root.attr('data-user-id');\n        this.name = this.root.attr('data-processor-name');\n\n        this.root.find('form').on('submit', function(e) {\n            e.preventDefault();\n            this.save().done(function() {\n                $(element).trigger('mpp:formsubmitted');\n            });\n        }.bind(this));\n    };\n\n    /**\n     * Flag the processor as loading.\n     *\n     * @method startLoading\n     */\n    ProcessorForm.prototype.startLoading = function() {\n        this.root.addClass('loading');\n    };\n\n    /**\n     * Remove the loading flag for this processor.\n     *\n     * @method stopLoading\n     */\n    ProcessorForm.prototype.stopLoading = function() {\n        this.root.removeClass('loading');\n    };\n\n    /**\n     * Check if this processor is loading.\n     *\n     * @method isLoading\n     * @return {bool}\n     */\n    ProcessorForm.prototype.isLoading = function() {\n        return this.root.hasClass('loading');\n    };\n\n    /**\n     * Persist the processor configuration.\n     *\n     * @method save\n     * @return {object} jQuery promise\n     */\n    ProcessorForm.prototype.save = function() {\n        if (this.isLoading()) {\n            return $.Deferred();\n        }\n\n        this.startLoading();\n\n        var data = this.root.find('form').serializeArray();\n        var request = {\n            methodname: 'core_message_message_processor_config_form',\n            args: {\n                userid: this.userId,\n                name: this.name,\n                formvalues: data,\n            }\n        };\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .always(function() {\n                this.stopLoading();\n            }.bind(this));\n    };\n\n    return ProcessorForm;\n});\n"],"names":["define","$","Ajax","Notification","ProcessorForm","element","root","userId","this","attr","name","find","on","e","preventDefault","save","done","trigger","bind","prototype","startLoading","addClass","stopLoading","removeClass","isLoading","hasClass","Deferred","data","serializeArray","request","methodname","args","userid","formvalues","call","fail","exception","always"],"mappings":";;;;;;;;;AAwBAA,iDAAO,CAAC,SAAU,YAAa,sBACvB,SAASC,EAAGC,KAAMC,kBAMlBC,cAAgB,SAASC,cACpBC,KAAOL,EAAEI,cACTE,OAASC,KAAKF,KAAKG,KAAK,qBACxBC,KAAOF,KAAKF,KAAKG,KAAK,4BAEtBH,KAAKK,KAAK,QAAQC,GAAG,SAAU,SAASC,GACzCA,EAAEC,sBACGC,OAAOC,MAAK,WACbf,EAAEI,SAASY,QAAQ,yBAEzBC,KAAKV,eAQXJ,cAAce,UAAUC,aAAe,gBAC9Bd,KAAKe,SAAS,YAQvBjB,cAAce,UAAUG,YAAc,gBAC7BhB,KAAKiB,YAAY,YAS1BnB,cAAce,UAAUK,UAAY,kBACzBhB,KAAKF,KAAKmB,SAAS,YAS9BrB,cAAce,UAAUJ,KAAO,cACvBP,KAAKgB,mBACEvB,EAAEyB,gBAGRN,mBAEDO,KAAOnB,KAAKF,KAAKK,KAAK,QAAQiB,iBAC9BC,QAAU,CACVC,WAAY,6CACZC,KAAM,CACFC,OAAQxB,KAAKD,OACbG,KAAMF,KAAKE,KACXuB,WAAYN,cAIbzB,KAAKgC,KAAK,CAACL,UAAU,GACvBM,KAAKhC,aAAaiC,WAClBC,OAAO,gBACCf,eACPJ,KAAKV,QAGRJ"}
\ No newline at end of file
diff --git a/message/amd/build/toggle_contact_button.min.js b/message/amd/build/toggle_contact_button.min.js
index ebfd3cd6964..e131bf205ad 100644
--- a/message/amd/build/toggle_contact_button.min.js
+++ b/message/amd/build/toggle_contact_button.min.js
@@ -1,2 +1,12 @@
-define ("core_message/toggle_contact_button",["jquery","core/ajax","core/templates","core/notification","core/custom_interaction_events"],function(a,b,c,d,e){var f=function(a){return"1"==a.attr("data-is-contact")},g=function(a){a.attr("data-is-contact","1")},h=function(a){a.attr("data-is-contact","0")},i=function(a){return a.attr("data-userid")},j=function(a){return a.hasClass("loading")||a.attr("disabled")},k=function(c,e){if(j(c)){return a.Deferred()}c.addClass("loading");c.attr("disabled","disabled");return b.call([e])[0].fail(d.exception).always(function(){c.removeClass("loading");c.removeAttr("disabled")})},l=function(a){if(j(a)){return}var b={methodname:"core_message_create_contacts",args:{userids:[i(a)]}};k(a,b).done(function(){g(a);c.render("message/remove_contact_button",{}).done(function(b,d){c.replaceNodeContents(a,b,d)})})},m=function(a){if(j(a)){return}var b={methodname:"core_message_delete_contacts",args:{userids:[i(a)]}};k(a,b).done(function(){h(a);c.render("message/add_contact_button",{}).done(function(b,d){c.replaceNodeContents(a,b,d)})})};return{enhance:function enhance(b){b=a(b);if(!b.children(".loading-icon").length){c.render("core/loading",{}).done(function(a,c){b.append(a,c)})}e.define(b,[e.events.activate]);b.on(e.events.activate,function(a,c){if(f(b)){m(b)}else{l(b)}a.preventDefault();c.originalEvent.preventDefault()})}}});
-//# sourceMappingURL=toggle_contact_button.min.js.map
+/**
+ * Module to add/remove contact using ajax.
+ *
+ * @module     core_message/toggle_contact_button
+ * @class      toggle_contact_button
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_message/toggle_contact_button",["jquery","core/ajax","core/templates","core/notification","core/custom_interaction_events"],(function($,Ajax,Templates,Notification,CustomEvents){var getUserId=function(element){return element.attr("data-userid")},isLoading=function(element){return element.hasClass("loading")||element.attr("disabled")},sendRequest=function(element,request){return isLoading(element)?$.Deferred():(element.addClass("loading"),element.attr("disabled","disabled"),Ajax.call([request])[0].fail(Notification.exception).always((function(){element.removeClass("loading"),element.removeAttr("disabled")})))};return{enhance:function(element){(element=$(element)).children(".loading-icon").length||Templates.render("core/loading",{}).done((function(html,js){element.append(html,js)})),CustomEvents.define(element,[CustomEvents.events.activate]),element.on(CustomEvents.events.activate,(function(e,data){!function(element){return"1"==element.attr("data-is-contact")}(element)?function(element){if(!isLoading(element)){var request={methodname:"core_message_create_contacts",args:{userids:[getUserId(element)]}};sendRequest(element,request).done((function(){!function(element){element.attr("data-is-contact","1")}(element),Templates.render("message/remove_contact_button",{}).done((function(html,js){Templates.replaceNodeContents(element,html,js)}))}))}}(element):function(element){if(!isLoading(element)){var request={methodname:"core_message_delete_contacts",args:{userids:[getUserId(element)]}};sendRequest(element,request).done((function(){!function(element){element.attr("data-is-contact","0")}(element),Templates.render("message/add_contact_button",{}).done((function(html,js){Templates.replaceNodeContents(element,html,js)}))}))}}(element),e.preventDefault(),data.originalEvent.preventDefault()}))}}}));
+
+//# sourceMappingURL=toggle_contact_button.min.js.map
\ No newline at end of file
diff --git a/message/amd/build/toggle_contact_button.min.js.map b/message/amd/build/toggle_contact_button.min.js.map
index 0466155c7af..538df623feb 100644
--- a/message/amd/build/toggle_contact_button.min.js.map
+++ b/message/amd/build/toggle_contact_button.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/toggle_contact_button.js"],"names":["define","$","Ajax","Templates","Notification","CustomEvents","isContact","element","attr","setContact","setNotContact","getUserId","isLoading","hasClass","sendRequest","request","Deferred","addClass","call","fail","exception","always","removeClass","removeAttr","addContact","methodname","args","userids","done","render","html","js","replaceNodeContents","removeContact","enhance","children","length","append","events","activate","on","e","data","preventDefault","originalEvent"],"mappings":"AAwBAA,OAAM,sCAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,gBAAxB,CAA0C,mBAA1C,CAA+D,gCAA/D,CAAD,CACE,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAA6BC,CAA7B,CAA2CC,CAA3C,CAAyD,IASzDC,CAAAA,CAAS,CAAG,SAASC,CAAT,CAAkB,CAC9B,MAA0C,GAAnC,EAAAA,CAAO,CAACC,IAAR,CAAa,iBAAb,CACV,CAX4D,CAmBzDC,CAAU,CAAG,SAASF,CAAT,CAAkB,CAC/BA,CAAO,CAACC,IAAR,CAAa,iBAAb,CAAgC,GAAhC,CACH,CArB4D,CA6BzDE,CAAa,CAAG,SAASH,CAAT,CAAkB,CAClCA,CAAO,CAACC,IAAR,CAAa,iBAAb,CAAgC,GAAhC,CACH,CA/B4D,CAwCzDG,CAAS,CAAG,SAASJ,CAAT,CAAkB,CAC9B,MAAOA,CAAAA,CAAO,CAACC,IAAR,CAAa,aAAb,CACV,CA1C4D,CAmDzDI,CAAS,CAAG,SAASL,CAAT,CAAkB,CAC9B,MAAOA,CAAAA,CAAO,CAACM,QAAR,CAAiB,SAAjB,GAA+BN,CAAO,CAACC,IAAR,CAAa,UAAb,CACzC,CArD4D,CAgEzDM,CAAW,CAAG,SAASP,CAAT,CAAkBQ,CAAlB,CAA2B,CACzC,GAAIH,CAAS,CAACL,CAAD,CAAb,CAAwB,CACpB,MAAON,CAAAA,CAAC,CAACe,QAAF,EACV,CAEDT,CAAO,CAACU,QAAR,CAAiB,SAAjB,EACAV,CAAO,CAACC,IAAR,CAAa,UAAb,CAAyB,UAAzB,EAEA,MAAON,CAAAA,CAAI,CAACgB,IAAL,CAAU,CAACH,CAAD,CAAV,EAAqB,CAArB,EACFI,IADE,CACGf,CAAY,CAACgB,SADhB,EAEFC,MAFE,CAEK,UAAW,CACfd,CAAO,CAACe,WAAR,CAAoB,SAApB,EACAf,CAAO,CAACgB,UAAR,CAAmB,UAAnB,CACH,CALE,CAMV,CA9E4D,CAwFzDC,CAAU,CAAG,SAASjB,CAAT,CAAkB,CAC/B,GAAIK,CAAS,CAACL,CAAD,CAAb,CAAwB,CACpB,MACH,CAED,GAAIQ,CAAAA,CAAO,CAAG,CACVU,UAAU,CAAE,8BADF,CAEVC,IAAI,CAAE,CACFC,OAAO,CAAE,CAAChB,CAAS,CAACJ,CAAD,CAAV,CADP,CAFI,CAAd,CAMAO,CAAW,CAACP,CAAD,CAAUQ,CAAV,CAAX,CAA8Ba,IAA9B,CAAmC,UAAW,CAC1CnB,CAAU,CAACF,CAAD,CAAV,CACAJ,CAAS,CAAC0B,MAAV,CAAiB,+BAAjB,CAAkD,EAAlD,EAAsDD,IAAtD,CAA2D,SAASE,CAAT,CAAeC,CAAf,CAAmB,CAC1E5B,CAAS,CAAC6B,mBAAV,CAA8BzB,CAA9B,CAAuCuB,CAAvC,CAA6CC,CAA7C,CACH,CAFD,CAGH,CALD,CAMH,CAzG4D,CAmHzDE,CAAa,CAAG,SAAS1B,CAAT,CAAkB,CAClC,GAAIK,CAAS,CAACL,CAAD,CAAb,CAAwB,CACpB,MACH,CAED,GAAIQ,CAAAA,CAAO,CAAG,CACVU,UAAU,CAAE,8BADF,CAEVC,IAAI,CAAE,CACFC,OAAO,CAAE,CAAChB,CAAS,CAACJ,CAAD,CAAV,CADP,CAFI,CAAd,CAOAO,CAAW,CAACP,CAAD,CAAUQ,CAAV,CAAX,CAA8Ba,IAA9B,CAAmC,UAAW,CAC1ClB,CAAa,CAACH,CAAD,CAAb,CACAJ,CAAS,CAAC0B,MAAV,CAAiB,4BAAjB,CAA+C,EAA/C,EAAmDD,IAAnD,CAAwD,SAASE,CAAT,CAAeC,CAAf,CAAmB,CACvE5B,CAAS,CAAC6B,mBAAV,CAA8BzB,CAA9B,CAAuCuB,CAAvC,CAA6CC,CAA7C,CACH,CAFD,CAGH,CALD,CAMH,CArI4D,CAqK7D,MAA0D,CACtDG,OAAO,CAxBG,QAAVA,CAAAA,OAAU,CAAS3B,CAAT,CAAkB,CAC5BA,CAAO,CAAGN,CAAC,CAACM,CAAD,CAAX,CAEA,GAAI,CAACA,CAAO,CAAC4B,QAAR,CAAiB,eAAjB,EAAkCC,MAAvC,CAA+C,CAE3CjC,CAAS,CAAC0B,MAAV,CAAiB,cAAjB,CAAiC,EAAjC,EAAqCD,IAArC,CAA0C,SAASE,CAAT,CAAeC,CAAf,CAAmB,CACzDxB,CAAO,CAAC8B,MAAR,CAAeP,CAAf,CAAqBC,CAArB,CACH,CAFD,CAGH,CAED1B,CAAY,CAACL,MAAb,CAAoBO,CAApB,CAA6B,CAACF,CAAY,CAACiC,MAAb,CAAoBC,QAArB,CAA7B,EAEAhC,CAAO,CAACiC,EAAR,CAAWnC,CAAY,CAACiC,MAAb,CAAoBC,QAA/B,CAAyC,SAASE,CAAT,CAAYC,CAAZ,CAAkB,CACvD,GAAIpC,CAAS,CAACC,CAAD,CAAb,CAAwB,CACpB0B,CAAa,CAAC1B,CAAD,CAChB,CAFD,IAEO,CACHiB,CAAU,CAACjB,CAAD,CACb,CACDkC,CAAC,CAACE,cAAF,GACAD,CAAI,CAACE,aAAL,CAAmBD,cAAnB,EACH,CARD,CASH,CAEyD,CAG7D,CAzKK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to add/remove contact using ajax.\n *\n * @module     core_message/toggle_contact_button\n * @class      toggle_contact_button\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/templates', 'core/notification', 'core/custom_interaction_events'],\n        function($, Ajax, Templates, Notification, CustomEvents) {\n\n    /**\n     * Check the state of the element, if the current user is a contact or not.\n     *\n     * @method isContact\n     * @param {object} element jQuery object for the button\n     * @return {bool}\n     */\n    var isContact = function(element) {\n        return element.attr('data-is-contact') == '1';\n    };\n\n    /**\n     * Record that the user is a contact.\n     *\n     * @method setContact\n     * @param {object} element jQuery object for the button\n     */\n    var setContact = function(element) {\n        element.attr('data-is-contact', '1');\n    };\n\n    /**\n     * Record that the user is not a contact.\n     *\n     * @method setNotContact\n     * @param {object} element jQuery object for the button\n     */\n    var setNotContact = function(element) {\n        element.attr('data-is-contact', '0');\n    };\n\n    /**\n     * Get the id for the user being viewed.\n     *\n     * @method getUserId\n     * @param {object} element jQuery object for the button\n     * @return {int}\n     */\n    var getUserId = function(element) {\n        return element.attr('data-userid');\n    };\n\n    /**\n     * Check if this element is currently loading.\n     *\n     * @method isLoading\n     * @param {object} element jQuery object for the button\n     * @return {bool}\n     */\n    var isLoading = function(element) {\n        return element.hasClass('loading') || element.attr('disabled');\n    };\n\n    /**\n     * Sends an ajax request to the server and handles the element state\n     * while the request is being performed.\n     *\n     * @method sendRequest\n     * @param {object} element jQuery object for the button\n     * @param {object} request Request hash to send\n     * @return {object} jQuery promise\n     */\n    var sendRequest = function(element, request) {\n        if (isLoading(element)) {\n            return $.Deferred();\n        }\n\n        element.addClass('loading');\n        element.attr('disabled', 'disabled');\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .always(function() {\n                element.removeClass('loading');\n                element.removeAttr('disabled');\n            });\n    };\n\n    /**\n     * Send a request to the server to add the current user as\n     * a contact. The contents of the button are changed to the\n     * remove contact button upon success.\n     *\n     * @method addContact\n     * @param {object} element jQuery object for the button\n     */\n    var addContact = function(element) {\n        if (isLoading(element)) {\n            return;\n        }\n\n        var request = {\n            methodname: 'core_message_create_contacts',\n            args: {\n                userids: [getUserId(element)],\n            }\n        };\n        sendRequest(element, request).done(function() {\n            setContact(element);\n            Templates.render('message/remove_contact_button', {}).done(function(html, js) {\n                Templates.replaceNodeContents(element, html, js);\n            });\n        });\n    };\n\n    /**\n     * Send a request to the server to remove the current user as\n     * a contact. The contents of the button are changed to the\n     * add contact button upon success.\n     *\n     * @method removeContact\n     * @param {object} element jQuery object for the button\n     */\n    var removeContact = function(element) {\n        if (isLoading(element)) {\n            return;\n        }\n\n        var request = {\n            methodname: 'core_message_delete_contacts',\n            args: {\n                userids: [getUserId(element)],\n            }\n        };\n\n        sendRequest(element, request).done(function() {\n            setNotContact(element);\n            Templates.render('message/add_contact_button', {}).done(function(html, js) {\n                Templates.replaceNodeContents(element, html, js);\n            });\n        });\n    };\n\n    /**\n     * Enhances the given element with a loading gif and event handles to make\n     * ajax requests to add or remove a contact where appropriate.\n     *\n     * @method enhance\n     * @param {object} element jQuery object for the button\n     */\n    var enhance = function(element) {\n        element = $(element);\n\n        if (!element.children('.loading-icon').length) {\n            // Add the loading gif if it isn't already there.\n            Templates.render('core/loading', {}).done(function(html, js) {\n                element.append(html, js);\n            });\n        }\n\n        CustomEvents.define(element, [CustomEvents.events.activate]);\n\n        element.on(CustomEvents.events.activate, function(e, data) {\n            if (isContact(element)) {\n                removeContact(element);\n            } else {\n                addContact(element);\n            }\n            e.preventDefault();\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    return /** @alias module:message/toggle_contact_button */ {\n        enhance: enhance\n    };\n});\n"],"file":"toggle_contact_button.min.js"}
\ No newline at end of file
+{"version":3,"file":"toggle_contact_button.min.js","sources":["../src/toggle_contact_button.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to add/remove contact using ajax.\n *\n * @module     core_message/toggle_contact_button\n * @class      toggle_contact_button\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/templates', 'core/notification', 'core/custom_interaction_events'],\n        function($, Ajax, Templates, Notification, CustomEvents) {\n\n    /**\n     * Check the state of the element, if the current user is a contact or not.\n     *\n     * @method isContact\n     * @param {object} element jQuery object for the button\n     * @return {bool}\n     */\n    var isContact = function(element) {\n        return element.attr('data-is-contact') == '1';\n    };\n\n    /**\n     * Record that the user is a contact.\n     *\n     * @method setContact\n     * @param {object} element jQuery object for the button\n     */\n    var setContact = function(element) {\n        element.attr('data-is-contact', '1');\n    };\n\n    /**\n     * Record that the user is not a contact.\n     *\n     * @method setNotContact\n     * @param {object} element jQuery object for the button\n     */\n    var setNotContact = function(element) {\n        element.attr('data-is-contact', '0');\n    };\n\n    /**\n     * Get the id for the user being viewed.\n     *\n     * @method getUserId\n     * @param {object} element jQuery object for the button\n     * @return {int}\n     */\n    var getUserId = function(element) {\n        return element.attr('data-userid');\n    };\n\n    /**\n     * Check if this element is currently loading.\n     *\n     * @method isLoading\n     * @param {object} element jQuery object for the button\n     * @return {bool}\n     */\n    var isLoading = function(element) {\n        return element.hasClass('loading') || element.attr('disabled');\n    };\n\n    /**\n     * Sends an ajax request to the server and handles the element state\n     * while the request is being performed.\n     *\n     * @method sendRequest\n     * @param {object} element jQuery object for the button\n     * @param {object} request Request hash to send\n     * @return {object} jQuery promise\n     */\n    var sendRequest = function(element, request) {\n        if (isLoading(element)) {\n            return $.Deferred();\n        }\n\n        element.addClass('loading');\n        element.attr('disabled', 'disabled');\n\n        return Ajax.call([request])[0]\n            .fail(Notification.exception)\n            .always(function() {\n                element.removeClass('loading');\n                element.removeAttr('disabled');\n            });\n    };\n\n    /**\n     * Send a request to the server to add the current user as\n     * a contact. The contents of the button are changed to the\n     * remove contact button upon success.\n     *\n     * @method addContact\n     * @param {object} element jQuery object for the button\n     */\n    var addContact = function(element) {\n        if (isLoading(element)) {\n            return;\n        }\n\n        var request = {\n            methodname: 'core_message_create_contacts',\n            args: {\n                userids: [getUserId(element)],\n            }\n        };\n        sendRequest(element, request).done(function() {\n            setContact(element);\n            Templates.render('message/remove_contact_button', {}).done(function(html, js) {\n                Templates.replaceNodeContents(element, html, js);\n            });\n        });\n    };\n\n    /**\n     * Send a request to the server to remove the current user as\n     * a contact. The contents of the button are changed to the\n     * add contact button upon success.\n     *\n     * @method removeContact\n     * @param {object} element jQuery object for the button\n     */\n    var removeContact = function(element) {\n        if (isLoading(element)) {\n            return;\n        }\n\n        var request = {\n            methodname: 'core_message_delete_contacts',\n            args: {\n                userids: [getUserId(element)],\n            }\n        };\n\n        sendRequest(element, request).done(function() {\n            setNotContact(element);\n            Templates.render('message/add_contact_button', {}).done(function(html, js) {\n                Templates.replaceNodeContents(element, html, js);\n            });\n        });\n    };\n\n    /**\n     * Enhances the given element with a loading gif and event handles to make\n     * ajax requests to add or remove a contact where appropriate.\n     *\n     * @method enhance\n     * @param {object} element jQuery object for the button\n     */\n    var enhance = function(element) {\n        element = $(element);\n\n        if (!element.children('.loading-icon').length) {\n            // Add the loading gif if it isn't already there.\n            Templates.render('core/loading', {}).done(function(html, js) {\n                element.append(html, js);\n            });\n        }\n\n        CustomEvents.define(element, [CustomEvents.events.activate]);\n\n        element.on(CustomEvents.events.activate, function(e, data) {\n            if (isContact(element)) {\n                removeContact(element);\n            } else {\n                addContact(element);\n            }\n            e.preventDefault();\n            data.originalEvent.preventDefault();\n        });\n    };\n\n    return /** @alias module:message/toggle_contact_button */ {\n        enhance: enhance\n    };\n});\n"],"names":["define","$","Ajax","Templates","Notification","CustomEvents","getUserId","element","attr","isLoading","hasClass","sendRequest","request","Deferred","addClass","call","fail","exception","always","removeClass","removeAttr","enhance","children","length","render","done","html","js","append","events","activate","on","e","data","isContact","methodname","args","userids","setContact","replaceNodeContents","addContact","setNotContact","removeContact","preventDefault","originalEvent"],"mappings":";;;;;;;;;AAwBAA,4CAAO,CAAC,SAAU,YAAa,iBAAkB,oBAAqB,mCAC9D,SAASC,EAAGC,KAAMC,UAAWC,aAAcC,kBAwC3CC,UAAY,SAASC,gBACdA,QAAQC,KAAK,gBAUpBC,UAAY,SAASF,gBACdA,QAAQG,SAAS,YAAcH,QAAQC,KAAK,aAYnDG,YAAc,SAASJ,QAASK,gBAC5BH,UAAUF,SACHN,EAAEY,YAGbN,QAAQO,SAAS,WACjBP,QAAQC,KAAK,WAAY,YAElBN,KAAKa,KAAK,CAACH,UAAU,GACvBI,KAAKZ,aAAaa,WAClBC,QAAO,WACJX,QAAQY,YAAY,WACpBZ,QAAQa,WAAW,uBAyF2B,CACtDC,QAxBU,SAASd,UACnBA,QAAUN,EAAEM,UAECe,SAAS,iBAAiBC,QAEnCpB,UAAUqB,OAAO,eAAgB,IAAIC,MAAK,SAASC,KAAMC,IACrDpB,QAAQqB,OAAOF,KAAMC,OAI7BtB,aAAaL,OAAOO,QAAS,CAACF,aAAawB,OAAOC,WAElDvB,QAAQwB,GAAG1B,aAAawB,OAAOC,UAAU,SAASE,EAAGC,OAjJzC,SAAS1B,eACqB,KAAnCA,QAAQC,KAAK,mBAiJZ0B,CAAU3B,SAnEL,SAASA,aAClBE,UAAUF,cAIVK,QAAU,CACVuB,WAAY,+BACZC,KAAM,CACFC,QAAS,CAAC/B,UAAUC,YAG5BI,YAAYJ,QAASK,SAASa,MAAK,YAhFtB,SAASlB,SACtBA,QAAQC,KAAK,kBAAmB,KAgF5B8B,CAAW/B,SACXJ,UAAUqB,OAAO,gCAAiC,IAAIC,MAAK,SAASC,KAAMC,IACtExB,UAAUoC,oBAAoBhC,QAASmB,KAAMC,WAwD7Ca,CAAWjC,SA3CH,SAASA,aACrBE,UAAUF,cAIVK,QAAU,CACVuB,WAAY,+BACZC,KAAM,CACFC,QAAS,CAAC/B,UAAUC,YAI5BI,YAAYJ,QAASK,SAASa,MAAK,YAlGnB,SAASlB,SACzBA,QAAQC,KAAK,kBAAmB,KAkG5BiC,CAAclC,SACdJ,UAAUqB,OAAO,6BAA8B,IAAIC,MAAK,SAASC,KAAMC,IACnExB,UAAUoC,oBAAoBhC,QAASmB,KAAMC,WA0B7Ce,CAAcnC,SAIlByB,EAAEW,iBACFV,KAAKW,cAAcD"}
\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_area_content_area.min.js b/message/output/popup/amd/build/notification_area_content_area.min.js
index 551611f6bec..387aa87875e 100644
--- a/message/output/popup/amd/build/notification_area_content_area.min.js
+++ b/message/output/popup/amd/build/notification_area_content_area.min.js
@@ -1,2 +1,13 @@
-define ("message_popup/notification_area_content_area",["jquery","core/templates","core/notification","core/custom_interaction_events","message_popup/notification_repository","message_popup/notification_area_events"],function(a,b,c,d,e,f){var g={CONTAINER:"[data-region=\"notification-area\"]",CONTENT:"[data-region=\"content\"]",HEADER:"[data-region=\"header\"]",FOOTER:"[data-region=\"footer\"]",TOGGLE_MODE:"[data-action=\"toggle-mode\"]"},h={HEADER:"message_popup/notification_area_content_area_header",CONTENT:"message_popup/notification_area_content_area_content",FOOTER:"message_popup/notification_area_content_area_footer"},i=function(b,c){this.root=a(b);this.container=this.root.closest(g.CONTAINER);this.userId=c;this.header=this.root.find(g.HEADER);this.content=this.root.find(g.CONTENT);this.footer=this.root.find(g.FOOTER);this.registerEventListeners()};i.prototype.getRoot=function(){return this.root};i.prototype.getContainer=function(){return this.container};i.prototype.getUserId=function(){return this.userId};i.prototype.getHeader=function(){return this.header};i.prototype.getContent=function(){return this.content};i.prototype.getFooter=function(){return this.footer};i.prototype.show=function(){this.getContainer().addClass("show-content-area")};i.prototype.hide=function(){this.getContainer().removeClass("show-content-area")};i.prototype.setHeaderHTML=function(a){this.getHeader().empty().html(a)};i.prototype.setContentHTML=function(a){this.getContent().empty().html(a)};i.prototype.setFooterHTML=function(a){this.getFooter().empty().html(a)};i.prototype.showNotification=function(c){var d=b.render(h.HEADER,c).done(function(a){this.setHeaderHTML(a)}.bind(this)),e=b.render(h.CONTENT,c).done(function(a){this.setContentHTML(a)}.bind(this)),g=b.render(h.FOOTER,c).done(function(a){this.setFooterHTML(a)}.bind(this));return a.when(d,e,g).done(function(){this.show();this.getContainer().trigger(f.notificationShown,[c])}.bind(this))};i.prototype.registerEventListeners=function(){d.define(this.getRoot(),[d.events.activate]);this.getRoot().on(d.events.activate,g.VIEW_TOGGLE,function(){this.hide()}.bind(this));this.getContainer().on(f.showNotification,function(a,b){this.showNotification(b)}.bind(this))};return i});
-//# sourceMappingURL=notification_area_content_area.min.js.map
+/**
+ * Controls the content area of the notification area on the
+ * notification page.
+ *
+ * @module     message_popup/notification_area_content_area
+ * @class      notification_area_content_area
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("message_popup/notification_area_content_area",["jquery","core/templates","core/notification","core/custom_interaction_events","message_popup/notification_repository","message_popup/notification_area_events"],(function($,Templates,DebugNotification,CustomEvents,NotificationRepo,NotificationAreaEvents){var SELECTORS={CONTAINER:'[data-region="notification-area"]',CONTENT:'[data-region="content"]',HEADER:'[data-region="header"]',FOOTER:'[data-region="footer"]',TOGGLE_MODE:'[data-action="toggle-mode"]'},TEMPLATES_HEADER="message_popup/notification_area_content_area_header",TEMPLATES_CONTENT="message_popup/notification_area_content_area_content",TEMPLATES_FOOTER="message_popup/notification_area_content_area_footer",ContentArea=function(root,userId){this.root=$(root),this.container=this.root.closest(SELECTORS.CONTAINER),this.userId=userId,this.header=this.root.find(SELECTORS.HEADER),this.content=this.root.find(SELECTORS.CONTENT),this.footer=this.root.find(SELECTORS.FOOTER),this.registerEventListeners()};return ContentArea.prototype.getRoot=function(){return this.root},ContentArea.prototype.getContainer=function(){return this.container},ContentArea.prototype.getUserId=function(){return this.userId},ContentArea.prototype.getHeader=function(){return this.header},ContentArea.prototype.getContent=function(){return this.content},ContentArea.prototype.getFooter=function(){return this.footer},ContentArea.prototype.show=function(){this.getContainer().addClass("show-content-area")},ContentArea.prototype.hide=function(){this.getContainer().removeClass("show-content-area")},ContentArea.prototype.setHeaderHTML=function(html){this.getHeader().empty().html(html)},ContentArea.prototype.setContentHTML=function(html){this.getContent().empty().html(html)},ContentArea.prototype.setFooterHTML=function(html){this.getFooter().empty().html(html)},ContentArea.prototype.showNotification=function(notification){var headerPromise=Templates.render(TEMPLATES_HEADER,notification).done(function(html){this.setHeaderHTML(html)}.bind(this)),contentPromise=Templates.render(TEMPLATES_CONTENT,notification).done(function(html){this.setContentHTML(html)}.bind(this)),footerPromise=Templates.render(TEMPLATES_FOOTER,notification).done(function(html){this.setFooterHTML(html)}.bind(this));return $.when(headerPromise,contentPromise,footerPromise).done(function(){this.show(),this.getContainer().trigger(NotificationAreaEvents.notificationShown,[notification])}.bind(this))},ContentArea.prototype.registerEventListeners=function(){CustomEvents.define(this.getRoot(),[CustomEvents.events.activate]),this.getRoot().on(CustomEvents.events.activate,SELECTORS.VIEW_TOGGLE,function(){this.hide()}.bind(this)),this.getContainer().on(NotificationAreaEvents.showNotification,function(e,notification){this.showNotification(notification)}.bind(this))},ContentArea}));
+
+//# sourceMappingURL=notification_area_content_area.min.js.map
\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_area_content_area.min.js.map b/message/output/popup/amd/build/notification_area_content_area.min.js.map
index e824b745b77..1c772003883 100644
--- a/message/output/popup/amd/build/notification_area_content_area.min.js.map
+++ b/message/output/popup/amd/build/notification_area_content_area.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the content area of the notification area on the\n * notification page.\n *\n * @module     message_popup/notification_area_content_area\n * @class      notification_area_content_area\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'message_popup/notification_repository', 'message_popup/notification_area_events'],\n    function($, Templates, DebugNotification, CustomEvents, NotificationRepo, NotificationAreaEvents) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"notification-area\"]',\n        CONTENT: '[data-region=\"content\"]',\n        HEADER: '[data-region=\"header\"]',\n        FOOTER: '[data-region=\"footer\"]',\n        TOGGLE_MODE: '[data-action=\"toggle-mode\"]',\n    };\n\n    var TEMPLATES = {\n        HEADER: 'message_popup/notification_area_content_area_header',\n        CONTENT: 'message_popup/notification_area_content_area_content',\n        FOOTER: 'message_popup/notification_area_content_area_footer',\n    };\n\n    /**\n     * Constructor for the ContentArea\n     *\n     * @param {object} root The root element for the content area\n     * @param {int} userId The user id of the current user\n     */\n    var ContentArea = function(root, userId) {\n        this.root = $(root);\n        this.container = this.root.closest(SELECTORS.CONTAINER);\n        this.userId = userId;\n        this.header = this.root.find(SELECTORS.HEADER);\n        this.content = this.root.find(SELECTORS.CONTENT);\n        this.footer = this.root.find(SELECTORS.FOOTER);\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Get the root element.\n     *\n     * @method getRoot\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the container element (which the content area is within).\n     *\n     * @method getContainer\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getContainer = function() {\n        return this.container;\n    };\n\n    /**\n     * Get the user id.\n     *\n     * @method getUserId\n     * @return {int}\n     */\n    ContentArea.prototype.getUserId = function() {\n        return this.userId;\n    };\n\n    /**\n     * Get the content area header element.\n     *\n     * @method getHeader\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getHeader = function() {\n        return this.header;\n    };\n\n    /**\n     * Get the content area content element.\n     *\n     * @method getContent\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getContent = function() {\n        return this.content;\n    };\n\n    /**\n     * Get the content area footer element.\n     *\n     * @method getFooter\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getFooter = function() {\n        return this.footer;\n    };\n\n    /**\n     * Display the content area. Typically used with responsive\n     * styling on smaller screens.\n     *\n     * @method show\n     */\n    ContentArea.prototype.show = function() {\n        this.getContainer().addClass('show-content-area');\n    };\n\n    /**\n     * Hide the content area. Typically used with responsive\n     * styling on smaller screens.\n     *\n     * @method hide\n     */\n    ContentArea.prototype.hide = function() {\n        this.getContainer().removeClass('show-content-area');\n    };\n\n    /**\n     * Change the HTML in the content area header element.\n     *\n     * @method setHeaderHTML\n     * @param {string} html The HTML to be set\n     */\n    ContentArea.prototype.setHeaderHTML = function(html) {\n        this.getHeader().empty().html(html);\n    };\n\n    /**\n     * Change the HTML in the content area content element.\n     *\n     * @method setContentHMTL\n     * @param {string} html The HTML to be set.\n     */\n    ContentArea.prototype.setContentHTML = function(html) {\n        this.getContent().empty().html(html);\n    };\n\n    /**\n     * Change the HTML in the content area footer element.\n     *\n     * @method setFooterHTML\n     * @param {string} html The HTML to be set.\n     */\n    ContentArea.prototype.setFooterHTML = function(html) {\n        this.getFooter().empty().html(html);\n    };\n\n    /**\n     * Render the given notification context in the content area.\n     *\n     * @method showNotification\n     * @param {object} notification The notification context (from a webservice)\n     * @return {object} jQuery promise\n     */\n    ContentArea.prototype.showNotification = function(notification) {\n        var headerPromise = Templates.render(TEMPLATES.HEADER, notification).done(function(html) {\n            this.setHeaderHTML(html);\n        }.bind(this));\n\n        var contentPromise = Templates.render(TEMPLATES.CONTENT, notification).done(function(html) {\n            this.setContentHTML(html);\n        }.bind(this));\n\n        var footerPromise = Templates.render(TEMPLATES.FOOTER, notification).done(function(html) {\n            this.setFooterHTML(html);\n        }.bind(this));\n\n        return $.when(headerPromise, contentPromise, footerPromise).done(function() {\n            this.show();\n            this.getContainer().trigger(NotificationAreaEvents.notificationShown, [notification]);\n        }.bind(this));\n    };\n\n    /**\n     * Create the event listeners for the content area.\n     *\n     * @method registerEventListeners\n     */\n    ContentArea.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.getRoot(), [\n            CustomEvents.events.activate\n        ]);\n\n        this.getRoot().on(CustomEvents.events.activate, SELECTORS.VIEW_TOGGLE, function() {\n            this.hide();\n        }.bind(this));\n\n        this.getContainer().on(NotificationAreaEvents.showNotification, function(e, notification) {\n            this.showNotification(notification);\n        }.bind(this));\n    };\n\n    return ContentArea;\n});\n"],"file":"notification_area_content_area.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification_area_content_area.min.js","sources":["../src/notification_area_content_area.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the content area of the notification area on the\n * notification page.\n *\n * @module     message_popup/notification_area_content_area\n * @class      notification_area_content_area\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'message_popup/notification_repository', 'message_popup/notification_area_events'],\n    function($, Templates, DebugNotification, CustomEvents, NotificationRepo, NotificationAreaEvents) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"notification-area\"]',\n        CONTENT: '[data-region=\"content\"]',\n        HEADER: '[data-region=\"header\"]',\n        FOOTER: '[data-region=\"footer\"]',\n        TOGGLE_MODE: '[data-action=\"toggle-mode\"]',\n    };\n\n    var TEMPLATES = {\n        HEADER: 'message_popup/notification_area_content_area_header',\n        CONTENT: 'message_popup/notification_area_content_area_content',\n        FOOTER: 'message_popup/notification_area_content_area_footer',\n    };\n\n    /**\n     * Constructor for the ContentArea\n     *\n     * @param {object} root The root element for the content area\n     * @param {int} userId The user id of the current user\n     */\n    var ContentArea = function(root, userId) {\n        this.root = $(root);\n        this.container = this.root.closest(SELECTORS.CONTAINER);\n        this.userId = userId;\n        this.header = this.root.find(SELECTORS.HEADER);\n        this.content = this.root.find(SELECTORS.CONTENT);\n        this.footer = this.root.find(SELECTORS.FOOTER);\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Get the root element.\n     *\n     * @method getRoot\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the container element (which the content area is within).\n     *\n     * @method getContainer\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getContainer = function() {\n        return this.container;\n    };\n\n    /**\n     * Get the user id.\n     *\n     * @method getUserId\n     * @return {int}\n     */\n    ContentArea.prototype.getUserId = function() {\n        return this.userId;\n    };\n\n    /**\n     * Get the content area header element.\n     *\n     * @method getHeader\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getHeader = function() {\n        return this.header;\n    };\n\n    /**\n     * Get the content area content element.\n     *\n     * @method getContent\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getContent = function() {\n        return this.content;\n    };\n\n    /**\n     * Get the content area footer element.\n     *\n     * @method getFooter\n     * @return {object} jQuery element\n     */\n    ContentArea.prototype.getFooter = function() {\n        return this.footer;\n    };\n\n    /**\n     * Display the content area. Typically used with responsive\n     * styling on smaller screens.\n     *\n     * @method show\n     */\n    ContentArea.prototype.show = function() {\n        this.getContainer().addClass('show-content-area');\n    };\n\n    /**\n     * Hide the content area. Typically used with responsive\n     * styling on smaller screens.\n     *\n     * @method hide\n     */\n    ContentArea.prototype.hide = function() {\n        this.getContainer().removeClass('show-content-area');\n    };\n\n    /**\n     * Change the HTML in the content area header element.\n     *\n     * @method setHeaderHTML\n     * @param {string} html The HTML to be set\n     */\n    ContentArea.prototype.setHeaderHTML = function(html) {\n        this.getHeader().empty().html(html);\n    };\n\n    /**\n     * Change the HTML in the content area content element.\n     *\n     * @method setContentHMTL\n     * @param {string} html The HTML to be set.\n     */\n    ContentArea.prototype.setContentHTML = function(html) {\n        this.getContent().empty().html(html);\n    };\n\n    /**\n     * Change the HTML in the content area footer element.\n     *\n     * @method setFooterHTML\n     * @param {string} html The HTML to be set.\n     */\n    ContentArea.prototype.setFooterHTML = function(html) {\n        this.getFooter().empty().html(html);\n    };\n\n    /**\n     * Render the given notification context in the content area.\n     *\n     * @method showNotification\n     * @param {object} notification The notification context (from a webservice)\n     * @return {object} jQuery promise\n     */\n    ContentArea.prototype.showNotification = function(notification) {\n        var headerPromise = Templates.render(TEMPLATES.HEADER, notification).done(function(html) {\n            this.setHeaderHTML(html);\n        }.bind(this));\n\n        var contentPromise = Templates.render(TEMPLATES.CONTENT, notification).done(function(html) {\n            this.setContentHTML(html);\n        }.bind(this));\n\n        var footerPromise = Templates.render(TEMPLATES.FOOTER, notification).done(function(html) {\n            this.setFooterHTML(html);\n        }.bind(this));\n\n        return $.when(headerPromise, contentPromise, footerPromise).done(function() {\n            this.show();\n            this.getContainer().trigger(NotificationAreaEvents.notificationShown, [notification]);\n        }.bind(this));\n    };\n\n    /**\n     * Create the event listeners for the content area.\n     *\n     * @method registerEventListeners\n     */\n    ContentArea.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.getRoot(), [\n            CustomEvents.events.activate\n        ]);\n\n        this.getRoot().on(CustomEvents.events.activate, SELECTORS.VIEW_TOGGLE, function() {\n            this.hide();\n        }.bind(this));\n\n        this.getContainer().on(NotificationAreaEvents.showNotification, function(e, notification) {\n            this.showNotification(notification);\n        }.bind(this));\n    };\n\n    return 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\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_area_control_area.min.js b/message/output/popup/amd/build/notification_area_control_area.min.js
index 4d04ce156c2..a153ffff105 100644
--- a/message/output/popup/amd/build/notification_area_control_area.min.js
+++ b/message/output/popup/amd/build/notification_area_control_area.min.js
@@ -1,2 +1,12 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("message_popup/notification_area_control_area",["jquery","core/templates","core/notification","core/custom_interaction_events","message_popup/notification_repository","message_popup/notification_area_events"],function(a,b,c,d,e,f){var g={CONTAINER:"[data-region=\"notification-area\"]",CONTENT:"[data-region=\"content\"]",NOTIFICATION:"[data-region=\"notification-content-item-container\"]",CAN_RECEIVE_FOCUS:"input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]"},h={NOTIFICATION:"message_popup/notification_content_item"},i=function(b,c){this.root=a(b);this.container=this.root.closest(g.CONTAINER);this.userId=c;this.content=this.root.find(g.CONTENT);this.offset=0;this.limit=20;this.initialLoad=!1;this.isLoading=!1;this.loadedAll=!1;this.notifications={};this.registerEventListeners()};i.prototype.getRoot=function(){return this.root};i.prototype.getContainer=function(){return this.container};i.prototype.getUserId=function(){return this.userId};i.prototype.getContent=function(){return this.content};i.prototype.getOffset=function(){return this.offset};i.prototype.getLimit=function(){return this.limit};i.prototype.setOffset=function(a){this.offset=a};i.prototype.setLimit=function(a){this.limit=a};i.prototype.incrementOffset=function(){this.offset+=this.limit};i.prototype.startLoading=function(){this.isLoading=!0;this.getRoot().addClass("loading")};i.prototype.stopLoading=function(){this.isLoading=!1;this.getRoot().removeClass("loading")};i.prototype.hasDoneInitialLoad=function(){return this.initialLoad};i.prototype.hasLoadedAllContent=function(){return this.loadedAll};i.prototype.setLoadedAllContent=function(a){this.loadedAll=a};i.prototype.setCacheNotification=function(a){this.notifications[a.id]=a};i.prototype.getCacheNotification=function(a){return this.notifications[a]};i.prototype.getNotificationElement=function(a){var b=this.getRoot().find(g.NOTIFICATION+"[data-id=\""+a+"\"]");return 1==b.length?b:null};i.prototype.scrollNotificationIntoView=function(a){var b=a.position(),c=this.getRoot(),d=b.top-c.scrollTop();if(d>c.innerHeight()){var e=a.outerHeight();e=4*e;var f=b.top-e;c.scrollTop(f)}};i.prototype.showNotification=function(b){if("object"!==_typeof(b)){b=this.getNotificationElement(b)}if(b&&b.length){this.getRoot().find(g.NOTIFICATION).removeClass("selected");b.addClass("selected").find(g.CAN_RECEIVE_FOCUS).focus();var c=b.attr("data-id"),d=this.getCacheNotification(c);this.scrollNotificationIntoView(b);this.getContainer().trigger(f.showNotification,[a.extend({},d)])}};i.prototype.markNotificationAsRead=function(a){return e.markAsRead(a.attr("data-id")).done(function(){a.removeClass("unread")})};i.prototype.renderNotifications=function(c){var d=[],e=this.getContent();a.each(c,function(a,c){var e=c.contexturl;delete c.contexturl;var f=b.render(h.NOTIFICATION,c).then(function(a,b){c.contexturl=e;this.setCacheNotification(c);return{html:a,js:b}}.bind(this));d.push(f)}.bind(this));return a.when.apply(a,d).then(function(){a.each(arguments,function(a,c){e.append(c.html);b.runTemplateJS(c.js)})})};i.prototype.loadMoreNotifications=function(){if(this.isLoading||this.hasLoadedAllContent()){return a.Deferred().resolve()}this.startLoading();var b={limit:this.getLimit(),offset:this.getOffset(),useridto:this.getUserId()};if(!this.initialLoad){b.limit=this.getOffset()+this.getLimit();b.offset=0}var c=e.query(b).then(function(a){var b=a.notifications;this.unreadCount=a.unreadcount;this.setLoadedAllContent(!b.length||b.length<this.getLimit());this.initialLoad=!0;if(b.length){this.incrementOffset();return this.renderNotifications(b)}return!1}.bind(this)).always(function(){this.stopLoading()}.bind(this));return c};i.prototype.registerEventListeners=function(){d.define(this.getRoot(),[d.events.activate,d.events.scrollBottom,d.events.scrollLock,d.events.up,d.events.down]);this.getRoot().on(d.events.scrollBottom,function(){this.loadMoreNotifications()}.bind(this));this.getRoot().on(d.events.activate,g.NOTIFICATION,function(b){var c=a(b.target).closest(g.NOTIFICATION);this.showNotification(c)}.bind(this));this.getRoot().on(d.events.up,g.NOTIFICATION,function(b,c){var d=a(b.target).closest(g.NOTIFICATION);this.showNotification(d.prev());c.originalEvent.preventDefault()}.bind(this));this.getRoot().on(d.events.down,g.NOTIFICATION,function(b,c){var d=a(b.target).closest(g.NOTIFICATION);this.showNotification(d.next());c.originalEvent.preventDefault()}.bind(this));this.getContainer().on(f.notificationShown,function(a,b){if(!b.read){var c=this.getNotificationElement(b.id);if(c){this.markNotificationAsRead(c)}var d=this.getCacheNotification(b.id);if(d){d.read=!0}}}.bind(this))};return i});
-//# sourceMappingURL=notification_area_control_area.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)
+/**
+ * Controls the notification area on the notification page.
+ *
+ * @module     message_popup/notification_area_control_area
+ * @class      notification_area_control_area
+ * @package    message
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */}define("message_popup/notification_area_control_area",["jquery","core/templates","core/notification","core/custom_interaction_events","message_popup/notification_repository","message_popup/notification_area_events"],(function($,Templates,DebugNotification,CustomEvents,NotificationRepo,NotificationAreaEvents){var SELECTORS_CONTAINER='[data-region="notification-area"]',SELECTORS_CONTENT='[data-region="content"]',SELECTORS_NOTIFICATION='[data-region="notification-content-item-container"]',SELECTORS_CAN_RECEIVE_FOCUS='input:not([type="hidden"]), a[href], button, textarea, select, [tabindex]',TEMPLATES_NOTIFICATION="message_popup/notification_content_item",ControlArea=function(root,userId){this.root=$(root),this.container=this.root.closest(SELECTORS_CONTAINER),this.userId=userId,this.content=this.root.find(SELECTORS_CONTENT),this.offset=0,this.limit=20,this.initialLoad=!1,this.isLoading=!1,this.loadedAll=!1,this.notifications={},this.registerEventListeners()};return ControlArea.prototype.getRoot=function(){return this.root},ControlArea.prototype.getContainer=function(){return this.container},ControlArea.prototype.getUserId=function(){return this.userId},ControlArea.prototype.getContent=function(){return this.content},ControlArea.prototype.getOffset=function(){return this.offset},ControlArea.prototype.getLimit=function(){return this.limit},ControlArea.prototype.setOffset=function(value){this.offset=value},ControlArea.prototype.setLimit=function(value){this.limit=value},ControlArea.prototype.incrementOffset=function(){this.offset+=this.limit},ControlArea.prototype.startLoading=function(){this.isLoading=!0,this.getRoot().addClass("loading")},ControlArea.prototype.stopLoading=function(){this.isLoading=!1,this.getRoot().removeClass("loading")},ControlArea.prototype.hasDoneInitialLoad=function(){return this.initialLoad},ControlArea.prototype.hasLoadedAllContent=function(){return this.loadedAll},ControlArea.prototype.setLoadedAllContent=function(val){this.loadedAll=val},ControlArea.prototype.setCacheNotification=function(notification){this.notifications[notification.id]=notification},ControlArea.prototype.getCacheNotification=function(id){return this.notifications[id]},ControlArea.prototype.getNotificationElement=function(id){var element=this.getRoot().find(SELECTORS_NOTIFICATION+'[data-id="'+id+'"]');return 1==element.length?element:null},ControlArea.prototype.scrollNotificationIntoView=function(notificationElement){var position=notificationElement.position(),container=this.getRoot();if(position.top-container.scrollTop()>container.innerHeight()){var height=notificationElement.outerHeight();height*=4;var scrollTo=position.top-height;container.scrollTop(scrollTo)}},ControlArea.prototype.showNotification=function(notificationElement){if("object"!==_typeof(notificationElement)&&(notificationElement=this.getNotificationElement(notificationElement)),notificationElement&&notificationElement.length){this.getRoot().find(SELECTORS_NOTIFICATION).removeClass("selected"),notificationElement.addClass("selected").find(SELECTORS_CAN_RECEIVE_FOCUS).focus();var notificationId=notificationElement.attr("data-id"),notification=this.getCacheNotification(notificationId);this.scrollNotificationIntoView(notificationElement),this.getContainer().trigger(NotificationAreaEvents.showNotification,[$.extend({},notification)])}},ControlArea.prototype.markNotificationAsRead=function(notificationElement){return NotificationRepo.markAsRead(notificationElement.attr("data-id")).done((function(){notificationElement.removeClass("unread")}))},ControlArea.prototype.renderNotifications=function(notifications){var promises=[],container=this.getContent();return $.each(notifications,function(index,notification){var contextUrl=notification.contexturl;delete notification.contexturl;var promise=Templates.render(TEMPLATES_NOTIFICATION,notification).then(function(html,js){return notification.contexturl=contextUrl,this.setCacheNotification(notification),{html:html,js:js}}.bind(this));promises.push(promise)}.bind(this)),$.when.apply($,promises).then((function(){$.each(arguments,(function(index,argument){container.append(argument.html),Templates.runTemplateJS(argument.js)}))}))},ControlArea.prototype.loadMoreNotifications=function(){if(this.isLoading||this.hasLoadedAllContent())return $.Deferred().resolve();this.startLoading();var request={limit:this.getLimit(),offset:this.getOffset(),useridto:this.getUserId()};return this.initialLoad||(request.limit=this.getOffset()+this.getLimit(),request.offset=0),NotificationRepo.query(request).then(function(result){var notifications=result.notifications;return this.unreadCount=result.unreadcount,this.setLoadedAllContent(!notifications.length||notifications.length<this.getLimit()),this.initialLoad=!0,!!notifications.length&&(this.incrementOffset(),this.renderNotifications(notifications))}.bind(this)).always(function(){this.stopLoading()}.bind(this))},ControlArea.prototype.registerEventListeners=function(){CustomEvents.define(this.getRoot(),[CustomEvents.events.activate,CustomEvents.events.scrollBottom,CustomEvents.events.scrollLock,CustomEvents.events.up,CustomEvents.events.down]),this.getRoot().on(CustomEvents.events.scrollBottom,function(){this.loadMoreNotifications()}.bind(this)),this.getRoot().on(CustomEvents.events.activate,SELECTORS_NOTIFICATION,function(e){var notificationElement=$(e.target).closest(SELECTORS_NOTIFICATION);this.showNotification(notificationElement)}.bind(this)),this.getRoot().on(CustomEvents.events.up,SELECTORS_NOTIFICATION,function(e,data){var notificationElement=$(e.target).closest(SELECTORS_NOTIFICATION);this.showNotification(notificationElement.prev()),data.originalEvent.preventDefault()}.bind(this)),this.getRoot().on(CustomEvents.events.down,SELECTORS_NOTIFICATION,function(e,data){var notificationElement=$(e.target).closest(SELECTORS_NOTIFICATION);this.showNotification(notificationElement.next()),data.originalEvent.preventDefault()}.bind(this)),this.getContainer().on(NotificationAreaEvents.notificationShown,function(e,notification){if(!notification.read){var element=this.getNotificationElement(notification.id);element&&this.markNotificationAsRead(element);var cachedNotification=this.getCacheNotification(notification.id);cachedNotification&&(cachedNotification.read=!0)}}.bind(this))},ControlArea}));
+
+//# sourceMappingURL=notification_area_control_area.min.js.map
\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_area_control_area.min.js.map b/message/output/popup/amd/build/notification_area_control_area.min.js.map
index c147e432558..60b3359420b 100644
--- a/message/output/popup/amd/build/notification_area_control_area.min.js.map
+++ b/message/output/popup/amd/build/notification_area_control_area.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the notification area on the notification page.\n *\n * @module     message_popup/notification_area_control_area\n * @class      notification_area_control_area\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'message_popup/notification_repository', 'message_popup/notification_area_events'],\n    function($, Templates, DebugNotification, CustomEvents, NotificationRepo, NotificationAreaEvents) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"notification-area\"]',\n        CONTENT: '[data-region=\"content\"]',\n        NOTIFICATION: '[data-region=\"notification-content-item-container\"]',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    var TEMPLATES = {\n        NOTIFICATION: 'message_popup/notification_content_item',\n    };\n\n    /**\n     * Constructor for ControlArea\n     *\n     * @param {object} root The root element for the content area\n     * @param {int} userId The user id of the current user\n     */\n    var ControlArea = function(root, userId) {\n        this.root = $(root);\n        this.container = this.root.closest(SELECTORS.CONTAINER);\n        this.userId = userId;\n        this.content = this.root.find(SELECTORS.CONTENT);\n        this.offset = 0;\n        this.limit = 20;\n        this.initialLoad = false;\n        this.isLoading = false;\n        this.loadedAll = false;\n        this.notifications = {};\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Get the root element.\n     *\n     * @method getRoot\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the container element (which the control area is within).\n     *\n     * @method getContainer\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getContainer = function() {\n        return this.container;\n    };\n\n    /**\n     * Get the user id.\n     *\n     * @method getUserId\n     * @return {int}\n     */\n    ControlArea.prototype.getUserId = function() {\n        return this.userId;\n    };\n\n    /**\n     * Get the control area content element.\n     *\n     * @method getContent\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getContent = function() {\n        return this.content;\n    };\n\n    /**\n     * Get the offset value for paginated loading of the\n     * notifications.\n     *\n     * @method getOffset\n     * @return {int}\n     */\n    ControlArea.prototype.getOffset = function() {\n        return this.offset;\n    };\n\n    /**\n     * Get the limit value for the paginated loading of the\n     * notifications.\n     *\n     * @method getLimit\n     * @return {int}\n     */\n    ControlArea.prototype.getLimit = function() {\n        return this.limit;\n    };\n\n    /**\n     * Set the offset value for the paginated loading of the\n     * notifications.\n     *\n     * @method setOffset\n     * @param {int} value The new offset value\n     */\n    ControlArea.prototype.setOffset = function(value) {\n        this.offset = value;\n    };\n\n    /**\n     * Set the limit value for the paginated loading of the\n     * notifications.\n     *\n     * @method setLimit\n     * @param {int} value The new limit value\n     */\n    ControlArea.prototype.setLimit = function(value) {\n        this.limit = value;\n    };\n\n    /**\n     * Increment the offset by the limit amount.\n     *\n     * @method incrementOffset\n     */\n    ControlArea.prototype.incrementOffset = function() {\n        this.offset += this.limit;\n    };\n\n    /**\n     * Flag the control area as loading.\n     *\n     * @method startLoading\n     */\n    ControlArea.prototype.startLoading = function() {\n        this.isLoading = true;\n        this.getRoot().addClass('loading');\n    };\n\n    /**\n     * Remove the loading flag from the control area.\n     *\n     * @method stopLoading\n     */\n    ControlArea.prototype.stopLoading = function() {\n        this.isLoading = false;\n        this.getRoot().removeClass('loading');\n    };\n\n    /**\n     * Check if the first load of notifications has been triggered.\n     *\n     * @method hasDoneInitialLoad\n     * @return {bool} true if first notification loaded, false otherwise\n     */\n    ControlArea.prototype.hasDoneInitialLoad = function() {\n        return this.initialLoad;\n    };\n\n    /**\n     * Check if all of the notifications have been loaded.\n     *\n     * @method hasLoadedAllContent\n     * @return {bool}\n     */\n    ControlArea.prototype.hasLoadedAllContent = function() {\n        return this.loadedAll;\n    };\n\n    /**\n     * Set the state of the loaded all content property.\n     *\n     * @method setLoadedAllContent\n     * @param {bool} val True if all content is loaded, false otherwise\n     */\n    ControlArea.prototype.setLoadedAllContent = function(val) {\n        this.loadedAll = val;\n    };\n\n    /**\n     * Save a notification in the cache.\n     *\n     * @method setCacheNotification\n     * @param {object} notification A notification returned by a webservice\n     */\n    ControlArea.prototype.setCacheNotification = function(notification) {\n        this.notifications[notification.id] = notification;\n    };\n\n    /**\n     * Retrieve a notification from the cache.\n     *\n     * @method getCacheNotification\n     * @param {int} id The id for the notification you wish to retrieve\n     * @return {object} A notification (as returned by a webservice)\n     */\n    ControlArea.prototype.getCacheNotification = function(id) {\n        return this.notifications[id];\n    };\n\n    /**\n     * Find the notification element in the control area for the given id.\n     *\n     * @method getNotificationElement\n     * @param {int} id The notification id\n     * @return {(object|null)} jQuery element or null\n     */\n    ControlArea.prototype.getNotificationElement = function(id) {\n        var element = this.getRoot().find(SELECTORS.NOTIFICATION + '[data-id=\"' + id + '\"]');\n        return element.length == 1 ? element : null;\n    };\n\n    /**\n     * Scroll the notification element into view within the control area, if it\n     * isn't already visible.\n     *\n     * @method scrollNotificationIntoView\n     * @param {object} notificationElement The jQuery notification element\n     */\n    ControlArea.prototype.scrollNotificationIntoView = function(notificationElement) {\n        var position = notificationElement.position();\n        var container = this.getRoot();\n        var relativeTop = position.top - container.scrollTop();\n\n        // If the element isn't in the view window.\n        if (relativeTop > container.innerHeight()) {\n            var height = notificationElement.outerHeight();\n            // Offset enough to make sure the notification will be in view.\n            height = height * 4;\n            var scrollTo = position.top - height;\n            container.scrollTop(scrollTo);\n        }\n    };\n\n    /**\n     * Show the full notification for the given notification element. The notification\n     * context is retrieved from the cache and send as data with an event to be\n     * rendered in the content area.\n     *\n     * @method showNotification\n     * @param {(int|object)} notificationElement The notification id or jQuery notification element\n     */\n    ControlArea.prototype.showNotification = function(notificationElement) {\n        if (typeof notificationElement !== 'object') {\n            // Assume it's an ID if it's not an object.\n            notificationElement = this.getNotificationElement(notificationElement);\n        }\n\n        if (notificationElement && notificationElement.length) {\n            this.getRoot().find(SELECTORS.NOTIFICATION).removeClass('selected');\n            notificationElement.addClass('selected').find(SELECTORS.CAN_RECEIVE_FOCUS).focus();\n            var notificationId = notificationElement.attr('data-id');\n            var notification = this.getCacheNotification(notificationId);\n            this.scrollNotificationIntoView(notificationElement);\n            // Create a new version of the notification to send with the notification so\n            // this copy isn't modified.\n            this.getContainer().trigger(NotificationAreaEvents.showNotification, [$.extend({}, notification)]);\n        }\n    };\n\n    /**\n     * Send a request to mark the notification as read in the server and remove the unread\n     * status from the element.\n     *\n     * @method markNotificationAsRead\n     * @param {object} notificationElement The jQuery notification element\n     * @return {object} jQuery promise\n     */\n    ControlArea.prototype.markNotificationAsRead = function(notificationElement) {\n        return NotificationRepo.markAsRead(notificationElement.attr('data-id')).done(function() {\n            notificationElement.removeClass('unread');\n        });\n    };\n\n\n    /**\n     * Render the notification data with the appropriate template and add it to the DOM.\n     *\n     * @method renderNotifications\n     * @param {array} notifications Array of notification data\n     * @return {object} jQuery promise that is resolved when all notifications have been\n     *                  rendered and added to the DOM\n     */\n    ControlArea.prototype.renderNotifications = function(notifications) {\n        var promises = [];\n        var container = this.getContent();\n\n        $.each(notifications, function(index, notification) {\n            // Need to remove the contexturl so the item isn't rendered\n            // as a link.\n            var contextUrl = notification.contexturl;\n            delete notification.contexturl;\n\n            var promise = Templates.render(TEMPLATES.NOTIFICATION, notification)\n            .then(function(html, js) {\n                // Restore it for the cache.\n                notification.contexturl = contextUrl;\n                this.setCacheNotification(notification);\n                // Pass the Rendered content out.\n                return {html: html, js: js};\n            }.bind(this));\n            promises.push(promise);\n        }.bind(this));\n\n        return $.when.apply($, promises).then(function() {\n            // Each of the promises in the when will pass its results as an argument to the function.\n            // The order of the arguments will be the order that the promises are passed to when()\n            // i.e. the first promise's results will be in the first argument.\n            $.each(arguments, function(index, argument) {\n                container.append(argument.html);\n                Templates.runTemplateJS(argument.js);\n            });\n            return;\n        });\n    };\n\n    /**\n     * Load notifications from the server and render them.\n     *\n     * @method loadMoreNotifications\n     * @return {object} jQuery promise\n     */\n    ControlArea.prototype.loadMoreNotifications = function() {\n        if (this.isLoading || this.hasLoadedAllContent()) {\n            return $.Deferred().resolve();\n        }\n\n        this.startLoading();\n        var request = {\n            limit: this.getLimit(),\n            offset: this.getOffset(),\n            useridto: this.getUserId(),\n        };\n\n        if (!this.initialLoad) {\n            // If this is the first load we may have been given a non-zero offset,\n            // in which case we need to load all notifications preceeding that offset\n            // to make sure the full list is rendered.\n            request.limit = this.getOffset() + this.getLimit();\n            request.offset = 0;\n        }\n\n        var promise = NotificationRepo.query(request).then(function(result) {\n            var notifications = result.notifications;\n            this.unreadCount = result.unreadcount;\n            this.setLoadedAllContent(!notifications.length || notifications.length < this.getLimit());\n            this.initialLoad = true;\n\n            if (notifications.length) {\n                this.incrementOffset();\n                return this.renderNotifications(notifications);\n            }\n\n            return false;\n        }.bind(this))\n        .always(function() {\n            this.stopLoading();\n        }.bind(this));\n\n        return promise;\n    };\n\n    /**\n     * Create the event listeners for the control area.\n     *\n     * @method registerEventListeners\n     */\n    ControlArea.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.getRoot(), [\n            CustomEvents.events.activate,\n            CustomEvents.events.scrollBottom,\n            CustomEvents.events.scrollLock,\n            CustomEvents.events.up,\n            CustomEvents.events.down,\n        ]);\n\n        this.getRoot().on(CustomEvents.events.scrollBottom, function() {\n            this.loadMoreNotifications();\n        }.bind(this));\n\n        this.getRoot().on(CustomEvents.events.activate, SELECTORS.NOTIFICATION, function(e) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement);\n        }.bind(this));\n\n        // Show the previous notification in the list.\n        this.getRoot().on(CustomEvents.events.up, SELECTORS.NOTIFICATION, function(e, data) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement.prev());\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        // Show the next notification in the list.\n        this.getRoot().on(CustomEvents.events.down, SELECTORS.NOTIFICATION, function(e, data) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement.next());\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        this.getContainer().on(NotificationAreaEvents.notificationShown, function(e, notification) {\n            if (!notification.read) {\n                var element = this.getNotificationElement(notification.id);\n\n                if (element) {\n                    this.markNotificationAsRead(element);\n                }\n\n                var cachedNotification = this.getCacheNotification(notification.id);\n\n                if (cachedNotification) {\n                    cachedNotification.read = true;\n                }\n            }\n        }.bind(this));\n    };\n\n    return ControlArea;\n});\n"],"file":"notification_area_control_area.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification_area_control_area.min.js","sources":["../src/notification_area_control_area.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the notification area on the notification page.\n *\n * @module     message_popup/notification_area_control_area\n * @class      notification_area_control_area\n * @package    message\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/templates', 'core/notification', 'core/custom_interaction_events',\n        'message_popup/notification_repository', 'message_popup/notification_area_events'],\n    function($, Templates, DebugNotification, CustomEvents, NotificationRepo, NotificationAreaEvents) {\n\n    var SELECTORS = {\n        CONTAINER: '[data-region=\"notification-area\"]',\n        CONTENT: '[data-region=\"content\"]',\n        NOTIFICATION: '[data-region=\"notification-content-item-container\"]',\n        CAN_RECEIVE_FOCUS: 'input:not([type=\"hidden\"]), a[href], button, textarea, select, [tabindex]',\n    };\n\n    var TEMPLATES = {\n        NOTIFICATION: 'message_popup/notification_content_item',\n    };\n\n    /**\n     * Constructor for ControlArea\n     *\n     * @param {object} root The root element for the content area\n     * @param {int} userId The user id of the current user\n     */\n    var ControlArea = function(root, userId) {\n        this.root = $(root);\n        this.container = this.root.closest(SELECTORS.CONTAINER);\n        this.userId = userId;\n        this.content = this.root.find(SELECTORS.CONTENT);\n        this.offset = 0;\n        this.limit = 20;\n        this.initialLoad = false;\n        this.isLoading = false;\n        this.loadedAll = false;\n        this.notifications = {};\n\n        this.registerEventListeners();\n    };\n\n    /**\n     * Get the root element.\n     *\n     * @method getRoot\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getRoot = function() {\n        return this.root;\n    };\n\n    /**\n     * Get the container element (which the control area is within).\n     *\n     * @method getContainer\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getContainer = function() {\n        return this.container;\n    };\n\n    /**\n     * Get the user id.\n     *\n     * @method getUserId\n     * @return {int}\n     */\n    ControlArea.prototype.getUserId = function() {\n        return this.userId;\n    };\n\n    /**\n     * Get the control area content element.\n     *\n     * @method getContent\n     * @return {object} jQuery element\n     */\n    ControlArea.prototype.getContent = function() {\n        return this.content;\n    };\n\n    /**\n     * Get the offset value for paginated loading of the\n     * notifications.\n     *\n     * @method getOffset\n     * @return {int}\n     */\n    ControlArea.prototype.getOffset = function() {\n        return this.offset;\n    };\n\n    /**\n     * Get the limit value for the paginated loading of the\n     * notifications.\n     *\n     * @method getLimit\n     * @return {int}\n     */\n    ControlArea.prototype.getLimit = function() {\n        return this.limit;\n    };\n\n    /**\n     * Set the offset value for the paginated loading of the\n     * notifications.\n     *\n     * @method setOffset\n     * @param {int} value The new offset value\n     */\n    ControlArea.prototype.setOffset = function(value) {\n        this.offset = value;\n    };\n\n    /**\n     * Set the limit value for the paginated loading of the\n     * notifications.\n     *\n     * @method setLimit\n     * @param {int} value The new limit value\n     */\n    ControlArea.prototype.setLimit = function(value) {\n        this.limit = value;\n    };\n\n    /**\n     * Increment the offset by the limit amount.\n     *\n     * @method incrementOffset\n     */\n    ControlArea.prototype.incrementOffset = function() {\n        this.offset += this.limit;\n    };\n\n    /**\n     * Flag the control area as loading.\n     *\n     * @method startLoading\n     */\n    ControlArea.prototype.startLoading = function() {\n        this.isLoading = true;\n        this.getRoot().addClass('loading');\n    };\n\n    /**\n     * Remove the loading flag from the control area.\n     *\n     * @method stopLoading\n     */\n    ControlArea.prototype.stopLoading = function() {\n        this.isLoading = false;\n        this.getRoot().removeClass('loading');\n    };\n\n    /**\n     * Check if the first load of notifications has been triggered.\n     *\n     * @method hasDoneInitialLoad\n     * @return {bool} true if first notification loaded, false otherwise\n     */\n    ControlArea.prototype.hasDoneInitialLoad = function() {\n        return this.initialLoad;\n    };\n\n    /**\n     * Check if all of the notifications have been loaded.\n     *\n     * @method hasLoadedAllContent\n     * @return {bool}\n     */\n    ControlArea.prototype.hasLoadedAllContent = function() {\n        return this.loadedAll;\n    };\n\n    /**\n     * Set the state of the loaded all content property.\n     *\n     * @method setLoadedAllContent\n     * @param {bool} val True if all content is loaded, false otherwise\n     */\n    ControlArea.prototype.setLoadedAllContent = function(val) {\n        this.loadedAll = val;\n    };\n\n    /**\n     * Save a notification in the cache.\n     *\n     * @method setCacheNotification\n     * @param {object} notification A notification returned by a webservice\n     */\n    ControlArea.prototype.setCacheNotification = function(notification) {\n        this.notifications[notification.id] = notification;\n    };\n\n    /**\n     * Retrieve a notification from the cache.\n     *\n     * @method getCacheNotification\n     * @param {int} id The id for the notification you wish to retrieve\n     * @return {object} A notification (as returned by a webservice)\n     */\n    ControlArea.prototype.getCacheNotification = function(id) {\n        return this.notifications[id];\n    };\n\n    /**\n     * Find the notification element in the control area for the given id.\n     *\n     * @method getNotificationElement\n     * @param {int} id The notification id\n     * @return {(object|null)} jQuery element or null\n     */\n    ControlArea.prototype.getNotificationElement = function(id) {\n        var element = this.getRoot().find(SELECTORS.NOTIFICATION + '[data-id=\"' + id + '\"]');\n        return element.length == 1 ? element : null;\n    };\n\n    /**\n     * Scroll the notification element into view within the control area, if it\n     * isn't already visible.\n     *\n     * @method scrollNotificationIntoView\n     * @param {object} notificationElement The jQuery notification element\n     */\n    ControlArea.prototype.scrollNotificationIntoView = function(notificationElement) {\n        var position = notificationElement.position();\n        var container = this.getRoot();\n        var relativeTop = position.top - container.scrollTop();\n\n        // If the element isn't in the view window.\n        if (relativeTop > container.innerHeight()) {\n            var height = notificationElement.outerHeight();\n            // Offset enough to make sure the notification will be in view.\n            height = height * 4;\n            var scrollTo = position.top - height;\n            container.scrollTop(scrollTo);\n        }\n    };\n\n    /**\n     * Show the full notification for the given notification element. The notification\n     * context is retrieved from the cache and send as data with an event to be\n     * rendered in the content area.\n     *\n     * @method showNotification\n     * @param {(int|object)} notificationElement The notification id or jQuery notification element\n     */\n    ControlArea.prototype.showNotification = function(notificationElement) {\n        if (typeof notificationElement !== 'object') {\n            // Assume it's an ID if it's not an object.\n            notificationElement = this.getNotificationElement(notificationElement);\n        }\n\n        if (notificationElement && notificationElement.length) {\n            this.getRoot().find(SELECTORS.NOTIFICATION).removeClass('selected');\n            notificationElement.addClass('selected').find(SELECTORS.CAN_RECEIVE_FOCUS).focus();\n            var notificationId = notificationElement.attr('data-id');\n            var notification = this.getCacheNotification(notificationId);\n            this.scrollNotificationIntoView(notificationElement);\n            // Create a new version of the notification to send with the notification so\n            // this copy isn't modified.\n            this.getContainer().trigger(NotificationAreaEvents.showNotification, [$.extend({}, notification)]);\n        }\n    };\n\n    /**\n     * Send a request to mark the notification as read in the server and remove the unread\n     * status from the element.\n     *\n     * @method markNotificationAsRead\n     * @param {object} notificationElement The jQuery notification element\n     * @return {object} jQuery promise\n     */\n    ControlArea.prototype.markNotificationAsRead = function(notificationElement) {\n        return NotificationRepo.markAsRead(notificationElement.attr('data-id')).done(function() {\n            notificationElement.removeClass('unread');\n        });\n    };\n\n\n    /**\n     * Render the notification data with the appropriate template and add it to the DOM.\n     *\n     * @method renderNotifications\n     * @param {array} notifications Array of notification data\n     * @return {object} jQuery promise that is resolved when all notifications have been\n     *                  rendered and added to the DOM\n     */\n    ControlArea.prototype.renderNotifications = function(notifications) {\n        var promises = [];\n        var container = this.getContent();\n\n        $.each(notifications, function(index, notification) {\n            // Need to remove the contexturl so the item isn't rendered\n            // as a link.\n            var contextUrl = notification.contexturl;\n            delete notification.contexturl;\n\n            var promise = Templates.render(TEMPLATES.NOTIFICATION, notification)\n            .then(function(html, js) {\n                // Restore it for the cache.\n                notification.contexturl = contextUrl;\n                this.setCacheNotification(notification);\n                // Pass the Rendered content out.\n                return {html: html, js: js};\n            }.bind(this));\n            promises.push(promise);\n        }.bind(this));\n\n        return $.when.apply($, promises).then(function() {\n            // Each of the promises in the when will pass its results as an argument to the function.\n            // The order of the arguments will be the order that the promises are passed to when()\n            // i.e. the first promise's results will be in the first argument.\n            $.each(arguments, function(index, argument) {\n                container.append(argument.html);\n                Templates.runTemplateJS(argument.js);\n            });\n            return;\n        });\n    };\n\n    /**\n     * Load notifications from the server and render them.\n     *\n     * @method loadMoreNotifications\n     * @return {object} jQuery promise\n     */\n    ControlArea.prototype.loadMoreNotifications = function() {\n        if (this.isLoading || this.hasLoadedAllContent()) {\n            return $.Deferred().resolve();\n        }\n\n        this.startLoading();\n        var request = {\n            limit: this.getLimit(),\n            offset: this.getOffset(),\n            useridto: this.getUserId(),\n        };\n\n        if (!this.initialLoad) {\n            // If this is the first load we may have been given a non-zero offset,\n            // in which case we need to load all notifications preceeding that offset\n            // to make sure the full list is rendered.\n            request.limit = this.getOffset() + this.getLimit();\n            request.offset = 0;\n        }\n\n        var promise = NotificationRepo.query(request).then(function(result) {\n            var notifications = result.notifications;\n            this.unreadCount = result.unreadcount;\n            this.setLoadedAllContent(!notifications.length || notifications.length < this.getLimit());\n            this.initialLoad = true;\n\n            if (notifications.length) {\n                this.incrementOffset();\n                return this.renderNotifications(notifications);\n            }\n\n            return false;\n        }.bind(this))\n        .always(function() {\n            this.stopLoading();\n        }.bind(this));\n\n        return promise;\n    };\n\n    /**\n     * Create the event listeners for the control area.\n     *\n     * @method registerEventListeners\n     */\n    ControlArea.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.getRoot(), [\n            CustomEvents.events.activate,\n            CustomEvents.events.scrollBottom,\n            CustomEvents.events.scrollLock,\n            CustomEvents.events.up,\n            CustomEvents.events.down,\n        ]);\n\n        this.getRoot().on(CustomEvents.events.scrollBottom, function() {\n            this.loadMoreNotifications();\n        }.bind(this));\n\n        this.getRoot().on(CustomEvents.events.activate, SELECTORS.NOTIFICATION, function(e) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement);\n        }.bind(this));\n\n        // Show the previous notification in the list.\n        this.getRoot().on(CustomEvents.events.up, SELECTORS.NOTIFICATION, function(e, data) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement.prev());\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        // Show the next notification in the list.\n        this.getRoot().on(CustomEvents.events.down, SELECTORS.NOTIFICATION, function(e, data) {\n            var notificationElement = $(e.target).closest(SELECTORS.NOTIFICATION);\n            this.showNotification(notificationElement.next());\n\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        this.getContainer().on(NotificationAreaEvents.notificationShown, function(e, notification) {\n            if (!notification.read) {\n                var element = this.getNotificationElement(notification.id);\n\n                if (element) {\n                    this.markNotificationAsRead(element);\n                }\n\n                var cachedNotification = this.getCacheNotification(notification.id);\n\n                if (cachedNotification) {\n                    cachedNotification.read = true;\n                }\n            }\n        }.bind(this));\n    };\n\n    return ControlArea;\n});\n"],"names":["define","$","Templates","DebugNotification","CustomEvents","NotificationRepo","NotificationAreaEvents","SELECTORS","TEMPLATES","ControlArea","root","userId","container","this","closest","content","find","offset","limit","initialLoad","isLoading","loadedAll","notifications","registerEventListeners","prototype","getRoot","getContainer","getUserId","getContent","getOffset","getLimit","setOffset","value","setLimit","incrementOffset","startLoading","addClass","stopLoading","removeClass","hasDoneInitialLoad","hasLoadedAllContent","setLoadedAllContent","val","setCacheNotification","notification","id","getCacheNotification","getNotificationElement","element","length","scrollNotificationIntoView","notificationElement","position","top","scrollTop","innerHeight","height","outerHeight","scrollTo","showNotification","_typeof","focus","notificationId","attr","trigger","extend","markNotificationAsRead","markAsRead","done","renderNotifications","promises","each","index","contextUrl","contexturl","promise","render","then","html","js","bind","push","when","apply","arguments","argument","append","runTemplateJS","loadMoreNotifications","Deferred","resolve","request","useridto","query","result","unreadCount","unreadcount","always","events","activate","scrollBottom","scrollLock","up","down","on","e","target","data","prev","originalEvent","preventDefault","next","notificationShown","read","cachedNotification"],"mappings":";;;;;;;;;IAwBAA,sDAAO,CAAC,SAAU,iBAAkB,oBAAqB,iCACjD,wCAAyC,2CAC7C,SAASC,EAAGC,UAAWC,kBAAmBC,aAAcC,iBAAkBC,4BAEtEC,oBACW,oCADXA,kBAES,0BAFTA,uBAGc,sDAHdA,4BAImB,4EAGnBC,uBACc,0CASdC,YAAc,SAASC,KAAMC,aACxBD,KAAOT,EAAES,WACTE,UAAYC,KAAKH,KAAKI,QAAQP,0BAC9BI,OAASA,YACTI,QAAUF,KAAKH,KAAKM,KAAKT,wBACzBU,OAAS,OACTC,MAAQ,QACRC,aAAc,OACdC,WAAY,OACZC,WAAY,OACZC,cAAgB,QAEhBC,iCASTd,YAAYe,UAAUC,QAAU,kBACrBZ,KAAKH,MAShBD,YAAYe,UAAUE,aAAe,kBAC1Bb,KAAKD,WAShBH,YAAYe,UAAUG,UAAY,kBACvBd,KAAKF,QAShBF,YAAYe,UAAUI,WAAa,kBACxBf,KAAKE,SAUhBN,YAAYe,UAAUK,UAAY,kBACvBhB,KAAKI,QAUhBR,YAAYe,UAAUM,SAAW,kBACtBjB,KAAKK,OAUhBT,YAAYe,UAAUO,UAAY,SAASC,YAClCf,OAASe,OAUlBvB,YAAYe,UAAUS,SAAW,SAASD,YACjCd,MAAQc,OAQjBvB,YAAYe,UAAUU,gBAAkB,gBAC/BjB,QAAUJ,KAAKK,OAQxBT,YAAYe,UAAUW,aAAe,gBAC5Bf,WAAY,OACZK,UAAUW,SAAS,YAQ5B3B,YAAYe,UAAUa,YAAc,gBAC3BjB,WAAY,OACZK,UAAUa,YAAY,YAS/B7B,YAAYe,UAAUe,mBAAqB,kBAChC1B,KAAKM,aAShBV,YAAYe,UAAUgB,oBAAsB,kBACjC3B,KAAKQ,WAShBZ,YAAYe,UAAUiB,oBAAsB,SAASC,UAC5CrB,UAAYqB,KASrBjC,YAAYe,UAAUmB,qBAAuB,SAASC,mBAC7CtB,cAAcsB,aAAaC,IAAMD,cAU1CnC,YAAYe,UAAUsB,qBAAuB,SAASD,WAC3ChC,KAAKS,cAAcuB,KAU9BpC,YAAYe,UAAUuB,uBAAyB,SAASF,QAChDG,QAAUnC,KAAKY,UAAUT,KAAKT,uBAAyB,aAAesC,GAAK,aACtD,GAAlBG,QAAQC,OAAcD,QAAU,MAU3CvC,YAAYe,UAAU0B,2BAA6B,SAASC,yBACpDC,SAAWD,oBAAoBC,WAC/BxC,UAAYC,KAAKY,aACH2B,SAASC,IAAMzC,UAAU0C,YAGzB1C,UAAU2C,cAAe,KACnCC,OAASL,oBAAoBM,cAEjCD,QAAkB,MACdE,SAAWN,SAASC,IAAMG,OAC9B5C,UAAU0C,UAAUI,YAY5BjD,YAAYe,UAAUmC,iBAAmB,SAASR,wBACX,WAA/BS,QAAOT,uBAEPA,oBAAsBtC,KAAKkC,uBAAuBI,sBAGlDA,qBAAuBA,oBAAoBF,OAAQ,MAC9CxB,UAAUT,KAAKT,wBAAwB+B,YAAY,YACxDa,oBAAoBf,SAAS,YAAYpB,KAAKT,6BAA6BsD,YACvEC,eAAiBX,oBAAoBY,KAAK,WAC1CnB,aAAe/B,KAAKiC,qBAAqBgB,qBACxCZ,2BAA2BC,0BAG3BzB,eAAesC,QAAQ1D,uBAAuBqD,iBAAkB,CAAC1D,EAAEgE,OAAO,GAAIrB,kBAY3FnC,YAAYe,UAAU0C,uBAAyB,SAASf,4BAC7C9C,iBAAiB8D,WAAWhB,oBAAoBY,KAAK,YAAYK,MAAK,WACzEjB,oBAAoBb,YAAY,cAaxC7B,YAAYe,UAAU6C,oBAAsB,SAAS/C,mBAC7CgD,SAAW,GACX1D,UAAYC,KAAKe,oBAErB3B,EAAEsE,KAAKjD,cAAe,SAASkD,MAAO5B,kBAG9B6B,WAAa7B,aAAa8B,kBACvB9B,aAAa8B,eAEhBC,QAAUzE,UAAU0E,OAAOpE,uBAAwBoC,cACtDiC,KAAK,SAASC,KAAMC,WAEjBnC,aAAa8B,WAAaD,gBACrB9B,qBAAqBC,cAEnB,CAACkC,KAAMA,KAAMC,GAAIA,KAC1BC,KAAKnE,OACPyD,SAASW,KAAKN,UAChBK,KAAKnE,OAEAZ,EAAEiF,KAAKC,MAAMlF,EAAGqE,UAAUO,MAAK,WAIlC5E,EAAEsE,KAAKa,WAAW,SAASZ,MAAOa,UAC9BzE,UAAU0E,OAAOD,SAASP,MAC1B5E,UAAUqF,cAAcF,SAASN,WAY7CtE,YAAYe,UAAUgE,sBAAwB,cACtC3E,KAAKO,WAAaP,KAAK2B,6BAChBvC,EAAEwF,WAAWC,eAGnBvD,mBACDwD,QAAU,CACVzE,MAAOL,KAAKiB,WACZb,OAAQJ,KAAKgB,YACb+D,SAAU/E,KAAKc,oBAGdd,KAAKM,cAINwE,QAAQzE,MAAQL,KAAKgB,YAAchB,KAAKiB,WACxC6D,QAAQ1E,OAAS,GAGPZ,iBAAiBwF,MAAMF,SAASd,KAAK,SAASiB,YACpDxE,cAAgBwE,OAAOxE,0BACtByE,YAAcD,OAAOE,iBACrBvD,qBAAqBnB,cAAc2B,QAAU3B,cAAc2B,OAASpC,KAAKiB,iBACzEX,aAAc,IAEfG,cAAc2B,cACTf,kBACErB,KAAKwD,oBAAoB/C,iBAItC0D,KAAKnE,OACNoF,OAAO,gBACC5D,eACP2C,KAAKnE,QAUXJ,YAAYe,UAAUD,uBAAyB,WAC3CnB,aAAaJ,OAAOa,KAAKY,UAAW,CAChCrB,aAAa8F,OAAOC,SACpB/F,aAAa8F,OAAOE,aACpBhG,aAAa8F,OAAOG,WACpBjG,aAAa8F,OAAOI,GACpBlG,aAAa8F,OAAOK,YAGnB9E,UAAU+E,GAAGpG,aAAa8F,OAAOE,aAAc,gBAC3CZ,yBACPR,KAAKnE,YAEFY,UAAU+E,GAAGpG,aAAa8F,OAAOC,SAAU5F,uBAAwB,SAASkG,OACzEtD,oBAAsBlD,EAAEwG,EAAEC,QAAQ5F,QAAQP,6BACzCoD,iBAAiBR,sBACxB6B,KAAKnE,YAGFY,UAAU+E,GAAGpG,aAAa8F,OAAOI,GAAI/F,uBAAwB,SAASkG,EAAGE,UACtExD,oBAAsBlD,EAAEwG,EAAEC,QAAQ5F,QAAQP,6BACzCoD,iBAAiBR,oBAAoByD,QAE1CD,KAAKE,cAAcC,kBACrB9B,KAAKnE,YAGFY,UAAU+E,GAAGpG,aAAa8F,OAAOK,KAAMhG,uBAAwB,SAASkG,EAAGE,UACxExD,oBAAsBlD,EAAEwG,EAAEC,QAAQ5F,QAAQP,6BACzCoD,iBAAiBR,oBAAoB4D,QAE1CJ,KAAKE,cAAcC,kBACrB9B,KAAKnE,YAEFa,eAAe8E,GAAGlG,uBAAuB0G,kBAAmB,SAASP,EAAG7D,kBACpEA,aAAaqE,KAAM,KAChBjE,QAAUnC,KA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\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_area_events.min.js b/message/output/popup/amd/build/notification_area_events.min.js
index 5912b546a26..8b9e461a2ea 100644
--- a/message/output/popup/amd/build/notification_area_events.min.js
+++ b/message/output/popup/amd/build/notification_area_events.min.js
@@ -1,2 +1,13 @@
-define ("message_popup/notification_area_events",[],function(){return{showNotification:"notification-area-events:showNotification",notificationShown:"notification-area-events:notificationShown"}});
-//# sourceMappingURL=notification_area_events.min.js.map
+/**
+ * Contain the events that can be fired in the notification area on
+ * the notifications page.
+ *
+ * @module     message_popup/notification_area_events
+ * @class      notification_area_events
+ * @package    core
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("message_popup/notification_area_events",[],(function(){return{showNotification:"notification-area-events:showNotification",notificationShown:"notification-area-events:notificationShown"}}));
+
+//# sourceMappingURL=notification_area_events.min.js.map
\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_area_events.min.js.map b/message/output/popup/amd/build/notification_area_events.min.js.map
index 1508bac90fd..08f268a6bd8 100644
--- a/message/output/popup/amd/build/notification_area_events.min.js.map
+++ b/message/output/popup/amd/build/notification_area_events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/notification_area_events.js"],"names":["define","showNotification","notificationShown"],"mappings":"AAyBAA,OAAM,0CAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,gBAAgB,CAAE,2CADf,CAEHC,iBAAiB,CAAE,4CAFhB,CAIV,CALK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events that can be fired in the notification area on\n * the notifications page.\n *\n * @module     message_popup/notification_area_events\n * @class      notification_area_events\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        showNotification: 'notification-area-events:showNotification',\n        notificationShown: 'notification-area-events:notificationShown',\n    };\n});\n"],"file":"notification_area_events.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification_area_events.min.js","sources":["../src/notification_area_events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the events that can be fired in the notification area on\n * the notifications page.\n *\n * @module     message_popup/notification_area_events\n * @class      notification_area_events\n * @package    core\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        showNotification: 'notification-area-events:showNotification',\n        notificationShown: 'notification-area-events:notificationShown',\n    };\n});\n"],"names":["define","showNotification","notificationShown"],"mappings":";;;;;;;;;;AAyBAA,gDAAO,IAAI,iBACA,CACHC,iBAAkB,4CAClBC,kBAAmB"}
\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_popover_controller.min.js b/message/output/popup/amd/build/notification_popover_controller.min.js
index 00323804927..4fcb273e53d 100644
--- a/message/output/popup/amd/build/notification_popover_controller.min.js
+++ b/message/output/popup/amd/build/notification_popover_controller.min.js
@@ -1,2 +1,14 @@
-define ("message_popup/notification_popover_controller",["jquery","core/ajax","core/templates","core/str","core/url","core/notification","core/custom_interaction_events","core/popover_region_controller","message_popup/notification_repository","message_popup/notification_area_events"],function(a,b,c,d,e,f,g,h,i,j){var k={MARK_ALL_READ_BUTTON:"[data-action=\"mark-all-read\"]",ALL_NOTIFICATIONS_CONTAINER:"[data-region=\"all-notifications\"]",NOTIFICATION:"[data-region=\"notification-content-item-container\"]",UNREAD_NOTIFICATION:"[data-region=\"notification-content-item-container\"].unread",NOTIFICATION_LINK:"[data-action=\"content-item-link\"]",EMPTY_MESSAGE:"[data-region=\"empty-message\"]",COUNT_CONTAINER:"[data-region=\"count-container\"]"},l=function(a){h.call(this,a);this.markAllReadButton=this.root.find(k.MARK_ALL_READ_BUTTON);this.unreadCount=0;this.lastQueried=0;this.userId=this.root.attr("data-userid");this.container=this.root.find(k.ALL_NOTIFICATIONS_CONTAINER);this.limit=20;this.offset=0;this.loadedAll=!1;this.initialLoad=!1;this.unreadCount=this.root.find(k.COUNT_CONTAINER).html()};l.prototype=Object.create(h.prototype);l.prototype.constructor=l;l.prototype.updateButtonAriaLabel=function(){if(this.isMenuOpen()){d.get_string("hidenotificationwindow","message").done(function(a){this.menuToggle.attr("aria-label",a)}.bind(this))}else{if(this.unreadCount){d.get_string("shownotificationwindowwithcount","message",this.unreadCount).done(function(a){this.menuToggle.attr("aria-label",a)}.bind(this))}else{d.get_string("shownotificationwindownonew","message").done(function(a){this.menuToggle.attr("aria-label",a)}.bind(this))}}};l.prototype.getContent=function(){return this.container};l.prototype.getOffset=function(){return this.offset};l.prototype.incrementOffset=function(){this.offset+=this.limit};l.prototype.hasDoneInitialLoad=function(){return this.initialLoad};l.prototype.hasLoadedAllContent=function(){return this.loadedAll};l.prototype.setLoadedAllContent=function(a){this.loadedAll=a};l.prototype.renderUnreadCount=function(){var a=this.root.find(k.COUNT_CONTAINER);if(this.unreadCount){a.text(this.unreadCount);a.removeClass("hidden")}else{a.addClass("hidden")}};l.prototype.hideUnreadCount=function(){this.root.find(k.COUNT_CONTAINER).addClass("hidden")};l.prototype.getNotificationElement=function(a){var b=this.root.find(k.NOTIFICATION+"[data-id=\""+a+"\"]");return 1==b.length?b:null};l.prototype.renderNotifications=function(b,d){var f=[];a.each(b,function(a,b){var d=this.getOffset()-this.limit;b.viewmoreurl=e.relativeUrl("/message/output/popup/notifications.php",{notificationid:b.id,offset:d});var g={notificationid:b.id};b.contexturl=e.relativeUrl("message/output/popup/mark_notification_read.php",g);var h=c.render("message_popup/notification_content_item",b).then(function(a,b){return{html:a,js:b}});f.push(h)}.bind(this));return a.when.apply(a,f).then(function(){a.each(arguments,function(a,b){d.append(b.html);c.runTemplateJS(b.js)})})};l.prototype.loadMoreNotifications=function(){if(this.isLoading||this.hasLoadedAllContent()){return a.Deferred().resolve()}this.startLoading();var b={limit:this.limit,offset:this.getOffset(),useridto:this.userId},c=this.getContent();return i.query(b).then(function(a){var b=a.notifications;this.unreadCount=a.unreadcount;this.lastQueried=Math.floor(new Date().getTime()/1e3);this.setLoadedAllContent(!b.length||b.length<this.limit);this.initialLoad=!0;this.updateButtonAriaLabel();if(b.length){this.incrementOffset();return this.renderNotifications(b,c)}return!1}.bind(this)).always(function(){this.stopLoading()}.bind(this))};l.prototype.markAllAsRead=function(){this.markAllReadButton.addClass("loading");var a={useridto:this.userId,timecreatedto:this.lastQueried};return i.markAllAsRead(a).then(function(){this.unreadCount=0;this.root.find(k.UNREAD_NOTIFICATION).removeClass("unread")}.bind(this)).always(function(){this.markAllReadButton.removeClass("loading")}.bind(this))};l.prototype.registerEventListeners=function(){g.define(this.root,[g.events.activate]);this.root.on(g.events.activate,k.MARK_ALL_READ_BUTTON,function(a,b){this.markAllAsRead();a.stopPropagation();b.originalEvent.preventDefault()}.bind(this));this.root.on(g.events.activate,k.NOTIFICATION_LINK,function(b){var c=a(b.target).closest(k.NOTIFICATION);if(c.hasClass("unread")){this.unreadCount--;c.removeClass("unread")}b.stopPropagation()}.bind(this));this.root.on(this.events().menuOpened,function(){this.hideUnreadCount();this.updateButtonAriaLabel();if(!this.hasDoneInitialLoad()){this.loadMoreNotifications()}}.bind(this));this.root.on(this.events().menuClosed,function(){this.renderUnreadCount();this.updateButtonAriaLabel()}.bind(this));this.root.on(this.events().startLoading,function(){this.getContent().attr("aria-busy","true")}.bind(this));this.root.on(this.events().stopLoading,function(){this.getContent().attr("aria-busy","false")}.bind(this));this.getContentContainer().on(g.events.scrollBottom,function(){if(!this.isLoading&&!this.hasLoadedAllContent()){this.loadMoreNotifications()}}.bind(this));g.define(this.getContentContainer(),[g.events.scrollLock]);a(document).on(j.notificationShown,function(a,b){if(!b.read){var c=this.getNotificationElement(b.id);if(c){c.removeClass("unread")}this.unreadCount--;this.renderUnreadCount()}}.bind(this))};return l});
-//# sourceMappingURL=notification_popover_controller.min.js.map
+/**
+ * Controls the notification popover in the nav bar.
+ *
+ * See template: message_popup/notification_popover
+ *
+ * @module     message_popup/notification_popover_controller
+ * @class      notification_popover_controller
+ * @package    message_popup
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("message_popup/notification_popover_controller",["jquery","core/ajax","core/templates","core/str","core/url","core/notification","core/custom_interaction_events","core/popover_region_controller","message_popup/notification_repository","message_popup/notification_area_events"],(function($,Ajax,Templates,Str,URL,DebugNotification,CustomEvents,PopoverController,NotificationRepo,NotificationAreaEvents){var SELECTORS_MARK_ALL_READ_BUTTON='[data-action="mark-all-read"]',SELECTORS_ALL_NOTIFICATIONS_CONTAINER='[data-region="all-notifications"]',SELECTORS_NOTIFICATION='[data-region="notification-content-item-container"]',SELECTORS_UNREAD_NOTIFICATION='[data-region="notification-content-item-container"].unread',SELECTORS_NOTIFICATION_LINK='[data-action="content-item-link"]',SELECTORS_COUNT_CONTAINER='[data-region="count-container"]',NotificationPopoverController=function(element){PopoverController.call(this,element),this.markAllReadButton=this.root.find(SELECTORS_MARK_ALL_READ_BUTTON),this.unreadCount=0,this.lastQueried=0,this.userId=this.root.attr("data-userid"),this.container=this.root.find(SELECTORS_ALL_NOTIFICATIONS_CONTAINER),this.limit=20,this.offset=0,this.loadedAll=!1,this.initialLoad=!1,this.unreadCount=this.root.find(SELECTORS_COUNT_CONTAINER).html()};return(NotificationPopoverController.prototype=Object.create(PopoverController.prototype)).constructor=NotificationPopoverController,NotificationPopoverController.prototype.updateButtonAriaLabel=function(){this.isMenuOpen()?Str.get_string("hidenotificationwindow","message").done(function(string){this.menuToggle.attr("aria-label",string)}.bind(this)):this.unreadCount?Str.get_string("shownotificationwindowwithcount","message",this.unreadCount).done(function(string){this.menuToggle.attr("aria-label",string)}.bind(this)):Str.get_string("shownotificationwindownonew","message").done(function(string){this.menuToggle.attr("aria-label",string)}.bind(this))},NotificationPopoverController.prototype.getContent=function(){return this.container},NotificationPopoverController.prototype.getOffset=function(){return this.offset},NotificationPopoverController.prototype.incrementOffset=function(){this.offset+=this.limit},NotificationPopoverController.prototype.hasDoneInitialLoad=function(){return this.initialLoad},NotificationPopoverController.prototype.hasLoadedAllContent=function(){return this.loadedAll},NotificationPopoverController.prototype.setLoadedAllContent=function(val){this.loadedAll=val},NotificationPopoverController.prototype.renderUnreadCount=function(){var element=this.root.find(SELECTORS_COUNT_CONTAINER);this.unreadCount?(element.text(this.unreadCount),element.removeClass("hidden")):element.addClass("hidden")},NotificationPopoverController.prototype.hideUnreadCount=function(){this.root.find(SELECTORS_COUNT_CONTAINER).addClass("hidden")},NotificationPopoverController.prototype.getNotificationElement=function(id){var element=this.root.find(SELECTORS_NOTIFICATION+'[data-id="'+id+'"]');return 1==element.length?element:null},NotificationPopoverController.prototype.renderNotifications=function(notifications,container){var promises=[];return $.each(notifications,function(index,notification){var offset=this.getOffset()-this.limit;notification.viewmoreurl=URL.relativeUrl("/message/output/popup/notifications.php",{notificationid:notification.id,offset:offset});var notificationurlparams={notificationid:notification.id};notification.contexturl=URL.relativeUrl("message/output/popup/mark_notification_read.php",notificationurlparams);var promise=Templates.render("message_popup/notification_content_item",notification).then((function(html,js){return{html:html,js:js}}));promises.push(promise)}.bind(this)),$.when.apply($,promises).then((function(){$.each(arguments,(function(index,argument){container.append(argument.html),Templates.runTemplateJS(argument.js)}))}))},NotificationPopoverController.prototype.loadMoreNotifications=function(){if(this.isLoading||this.hasLoadedAllContent())return $.Deferred().resolve();this.startLoading();var request={limit:this.limit,offset:this.getOffset(),useridto:this.userId},container=this.getContent();return NotificationRepo.query(request).then(function(result){var notifications=result.notifications;return this.unreadCount=result.unreadcount,this.lastQueried=Math.floor((new Date).getTime()/1e3),this.setLoadedAllContent(!notifications.length||notifications.length<this.limit),this.initialLoad=!0,this.updateButtonAriaLabel(),!!notifications.length&&(this.incrementOffset(),this.renderNotifications(notifications,container))}.bind(this)).always(function(){this.stopLoading()}.bind(this))},NotificationPopoverController.prototype.markAllAsRead=function(){this.markAllReadButton.addClass("loading");var request={useridto:this.userId,timecreatedto:this.lastQueried};return NotificationRepo.markAllAsRead(request).then(function(){this.unreadCount=0,this.root.find(SELECTORS_UNREAD_NOTIFICATION).removeClass("unread")}.bind(this)).always(function(){this.markAllReadButton.removeClass("loading")}.bind(this))},NotificationPopoverController.prototype.registerEventListeners=function(){CustomEvents.define(this.root,[CustomEvents.events.activate]),this.root.on(CustomEvents.events.activate,SELECTORS_MARK_ALL_READ_BUTTON,function(e,data){this.markAllAsRead(),e.stopPropagation(),data.originalEvent.preventDefault()}.bind(this)),this.root.on(CustomEvents.events.activate,SELECTORS_NOTIFICATION_LINK,function(e){var element=$(e.target).closest(SELECTORS_NOTIFICATION);element.hasClass("unread")&&(this.unreadCount--,element.removeClass("unread")),e.stopPropagation()}.bind(this)),this.root.on(this.events().menuOpened,function(){this.hideUnreadCount(),this.updateButtonAriaLabel(),this.hasDoneInitialLoad()||this.loadMoreNotifications()}.bind(this)),this.root.on(this.events().menuClosed,function(){this.renderUnreadCount(),this.updateButtonAriaLabel()}.bind(this)),this.root.on(this.events().startLoading,function(){this.getContent().attr("aria-busy","true")}.bind(this)),this.root.on(this.events().stopLoading,function(){this.getContent().attr("aria-busy","false")}.bind(this)),this.getContentContainer().on(CustomEvents.events.scrollBottom,function(){this.isLoading||this.hasLoadedAllContent()||this.loadMoreNotifications()}.bind(this)),CustomEvents.define(this.getContentContainer(),[CustomEvents.events.scrollLock]),$(document).on(NotificationAreaEvents.notificationShown,function(e,notification){if(!notification.read){var element=this.getNotificationElement(notification.id);element&&element.removeClass("unread"),this.unreadCount--,this.renderUnreadCount()}}.bind(this))},NotificationPopoverController}));
+
+//# sourceMappingURL=notification_popover_controller.min.js.map
\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_popover_controller.min.js.map b/message/output/popup/amd/build/notification_popover_controller.min.js.map
index daeb2bc9e92..8bd2d092bf6 100644
--- a/message/output/popup/amd/build/notification_popover_controller.min.js.map
+++ b/message/output/popup/amd/build/notification_popover_controller.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the notification popover in the nav bar.\n *\n * See template: message_popup/notification_popover\n *\n * @module     message_popup/notification_popover_controller\n * @class      notification_popover_controller\n * @package    message_popup\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/templates', 'core/str', 'core/url',\n            'core/notification', 'core/custom_interaction_events', 'core/popover_region_controller',\n            'message_popup/notification_repository', 'message_popup/notification_area_events'],\n        function($, Ajax, Templates, Str, URL, DebugNotification, CustomEvents,\n            PopoverController, NotificationRepo, NotificationAreaEvents) {\n\n    var SELECTORS = {\n        MARK_ALL_READ_BUTTON: '[data-action=\"mark-all-read\"]',\n        ALL_NOTIFICATIONS_CONTAINER: '[data-region=\"all-notifications\"]',\n        NOTIFICATION: '[data-region=\"notification-content-item-container\"]',\n        UNREAD_NOTIFICATION: '[data-region=\"notification-content-item-container\"].unread',\n        NOTIFICATION_LINK: '[data-action=\"content-item-link\"]',\n        EMPTY_MESSAGE: '[data-region=\"empty-message\"]',\n        COUNT_CONTAINER: '[data-region=\"count-container\"]',\n    };\n\n    /**\n     * Constructor for the NotificationPopoverController.\n     * Extends PopoverRegionController.\n     *\n     * @param {object} element jQuery object root element of the popover\n     */\n    var NotificationPopoverController = function(element) {\n        // Initialise base class.\n        PopoverController.call(this, element);\n\n        this.markAllReadButton = this.root.find(SELECTORS.MARK_ALL_READ_BUTTON);\n        this.unreadCount = 0;\n        this.lastQueried = 0;\n        this.userId = this.root.attr('data-userid');\n        this.container = this.root.find(SELECTORS.ALL_NOTIFICATIONS_CONTAINER);\n        this.limit = 20;\n        this.offset = 0;\n        this.loadedAll = false;\n        this.initialLoad = false;\n\n        // Let's find out how many unread notifications there are.\n        this.unreadCount = this.root.find(SELECTORS.COUNT_CONTAINER).html();\n    };\n\n    /**\n     * Clone the parent prototype.\n     */\n    NotificationPopoverController.prototype = Object.create(PopoverController.prototype);\n\n    /**\n     * Make sure the constructor is set correctly.\n     */\n    NotificationPopoverController.prototype.constructor = NotificationPopoverController;\n\n    /**\n     * Set the correct aria label on the menu toggle button to be read out by screen\n     * readers. The message will indicate the state of the unread notifications.\n     *\n     * @method updateButtonAriaLabel\n     */\n    NotificationPopoverController.prototype.updateButtonAriaLabel = function() {\n        if (this.isMenuOpen()) {\n            Str.get_string('hidenotificationwindow', 'message').done(function(string) {\n                this.menuToggle.attr('aria-label', string);\n            }.bind(this));\n        } else {\n            if (this.unreadCount) {\n                Str.get_string('shownotificationwindowwithcount', 'message', this.unreadCount).done(function(string) {\n                    this.menuToggle.attr('aria-label', string);\n                }.bind(this));\n            } else {\n                Str.get_string('shownotificationwindownonew', 'message').done(function(string) {\n                    this.menuToggle.attr('aria-label', string);\n                }.bind(this));\n            }\n        }\n    };\n\n    /**\n     * Return the jQuery element with the content. This will return either\n     * the unread notification container or the all notification container\n     * depending on which is currently visible.\n     *\n     * @method getContent\n     * @return {object} jQuery object currently visible content contianer\n     */\n    NotificationPopoverController.prototype.getContent = function() {\n        return this.container;\n    };\n\n    /**\n     * Get the offset value for the current state of the popover in order\n     * to sent to the backend to correctly paginate the notifications.\n     *\n     * @method getOffset\n     * @return {int} current offset\n     */\n    NotificationPopoverController.prototype.getOffset = function() {\n        return this.offset;\n    };\n\n    /**\n     * Increment the offset for the current state, if required.\n     *\n     * @method incrementOffset\n     */\n    NotificationPopoverController.prototype.incrementOffset = function() {\n        this.offset += this.limit;\n    };\n\n    /**\n     * Check if the first load of notification has been triggered for the current\n     * state of the popover.\n     *\n     * @method hasDoneInitialLoad\n     * @return {bool} true if first notification loaded, false otherwise\n     */\n    NotificationPopoverController.prototype.hasDoneInitialLoad = function() {\n        return this.initialLoad;\n    };\n\n    /**\n     * Check if we've loaded all of the notifications for the current popover\n     * state.\n     *\n     * @method hasLoadedAllContent\n     * @return {bool} true if all notifications loaded, false otherwise\n     */\n    NotificationPopoverController.prototype.hasLoadedAllContent = function() {\n        return this.loadedAll;\n    };\n\n    /**\n     * Set the state of the loaded all content property for the current state\n     * of the popover.\n     *\n     * @method setLoadedAllContent\n     * @param {bool} val True if all content is loaded, false otherwise\n     */\n    NotificationPopoverController.prototype.setLoadedAllContent = function(val) {\n        this.loadedAll = val;\n    };\n\n    /**\n     * Show the unread notification count badge on the menu toggle if there\n     * are unread notifications, otherwise hide it.\n     *\n     * @method renderUnreadCount\n     */\n    NotificationPopoverController.prototype.renderUnreadCount = function() {\n        var element = this.root.find(SELECTORS.COUNT_CONTAINER);\n\n        if (this.unreadCount) {\n            element.text(this.unreadCount);\n            element.removeClass('hidden');\n        } else {\n            element.addClass('hidden');\n        }\n    };\n\n    /**\n     * Hide the unread notification count badge on the menu toggle.\n     *\n     * @method hideUnreadCount\n     */\n    NotificationPopoverController.prototype.hideUnreadCount = function() {\n        this.root.find(SELECTORS.COUNT_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Find the notification element for the given id.\n     *\n     * @param {int} id\n     * @method getNotificationElement\n     * @return {object|null} The notification element\n     */\n    NotificationPopoverController.prototype.getNotificationElement = function(id) {\n        var element = this.root.find(SELECTORS.NOTIFICATION + '[data-id=\"' + id + '\"]');\n        return element.length == 1 ? element : null;\n    };\n\n    /**\n     * Render the notification data with the appropriate template and add it to the DOM.\n     *\n     * @method renderNotifications\n     * @param {array} notifications Notification data\n     * @param {object} container jQuery object the container to append the rendered notifications\n     * @return {object} jQuery promise that is resolved when all notifications have been\n     *                  rendered and added to the DOM\n     */\n    NotificationPopoverController.prototype.renderNotifications = function(notifications, container) {\n        var promises = [];\n\n        $.each(notifications, function(index, notification) {\n            // Determine what the offset was when loading this notification.\n            var offset = this.getOffset() - this.limit;\n            // Update the view more url to contain the offset to allow the notifications\n            // page to load to the correct position in the list of notifications.\n            notification.viewmoreurl = URL.relativeUrl('/message/output/popup/notifications.php', {\n                notificationid: notification.id,\n                offset: offset,\n            });\n\n            // Link to mark read page before loading the actual link.\n            var notificationurlparams = {\n                notificationid: notification.id\n            };\n\n            notification.contexturl = URL.relativeUrl('message/output/popup/mark_notification_read.php', notificationurlparams);\n\n            var promise = Templates.render('message_popup/notification_content_item', notification)\n            .then(function(html, js) {\n                return {html: html, js: js};\n            });\n            promises.push(promise);\n        }.bind(this));\n\n        return $.when.apply($, promises).then(function() {\n            // Each of the promises in the when will pass its results as an argument to the function.\n            // The order of the arguments will be the order that the promises are passed to when()\n            // i.e. the first promise's results will be in the first argument.\n            $.each(arguments, function(index, argument) {\n                container.append(argument.html);\n                Templates.runTemplateJS(argument.js);\n            });\n            return;\n        });\n    };\n\n    /**\n     * Send a request for more notifications from the server, if we aren't already\n     * loading some and haven't already loaded all of them.\n     *\n     * Takes into account the current mode of the popover and will request only\n     * unread notifications if required.\n     *\n     * All notifications are marked as read by the server when they are returned.\n     *\n     * @method loadMoreNotifications\n     * @return {object} jQuery promise that is resolved when notifications have been\n     *                        retrieved and added to the DOM\n     */\n    NotificationPopoverController.prototype.loadMoreNotifications = function() {\n        if (this.isLoading || this.hasLoadedAllContent()) {\n            return $.Deferred().resolve();\n        }\n\n        this.startLoading();\n        var request = {\n            limit: this.limit,\n            offset: this.getOffset(),\n            useridto: this.userId,\n        };\n\n        var container = this.getContent();\n        return NotificationRepo.query(request).then(function(result) {\n            var notifications = result.notifications;\n            this.unreadCount = result.unreadcount;\n            this.lastQueried = Math.floor(new Date().getTime() / 1000);\n            this.setLoadedAllContent(!notifications.length || notifications.length < this.limit);\n            this.initialLoad = true;\n            this.updateButtonAriaLabel();\n\n            if (notifications.length) {\n                this.incrementOffset();\n                return this.renderNotifications(notifications, container);\n            }\n\n            return false;\n        }.bind(this))\n        .always(function() {\n            this.stopLoading();\n        }.bind(this));\n    };\n\n    /**\n     * Send a request to the server to mark all unread notifications as read and update\n     * the unread count and unread notification elements appropriately.\n     *\n     * @return {Promise}\n     * @method markAllAsRead\n     */\n    NotificationPopoverController.prototype.markAllAsRead = function() {\n        this.markAllReadButton.addClass('loading');\n\n        var request = {\n            useridto: this.userId,\n            timecreatedto: this.lastQueried,\n        };\n\n        return NotificationRepo.markAllAsRead(request)\n            .then(function() {\n                this.unreadCount = 0;\n                this.root.find(SELECTORS.UNREAD_NOTIFICATION).removeClass('unread');\n            }.bind(this))\n            .always(function() {\n                this.markAllReadButton.removeClass('loading');\n            }.bind(this));\n    };\n\n    /**\n     * Add all of the required event listeners for this notification popover.\n     *\n     * @method registerEventListeners\n     */\n    NotificationPopoverController.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.root, [\n            CustomEvents.events.activate,\n        ]);\n\n        // Mark all notifications read if the user activates the mark all as read button.\n        this.root.on(CustomEvents.events.activate, SELECTORS.MARK_ALL_READ_BUTTON, function(e, data) {\n            this.markAllAsRead();\n            e.stopPropagation();\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        // Mark individual notification read if the user activates it.\n        this.root.on(CustomEvents.events.activate, SELECTORS.NOTIFICATION_LINK, function(e) {\n            var element = $(e.target).closest(SELECTORS.NOTIFICATION);\n\n            if (element.hasClass('unread')) {\n                this.unreadCount--;\n                element.removeClass('unread');\n            }\n\n            e.stopPropagation();\n        }.bind(this));\n\n        // Update the notification information when the menu is opened.\n        this.root.on(this.events().menuOpened, function() {\n            this.hideUnreadCount();\n            this.updateButtonAriaLabel();\n\n            if (!this.hasDoneInitialLoad()) {\n                this.loadMoreNotifications();\n            }\n        }.bind(this));\n\n        // Update the unread notification count when the menu is closed.\n        this.root.on(this.events().menuClosed, function() {\n            this.renderUnreadCount();\n            this.updateButtonAriaLabel();\n        }.bind(this));\n\n        // Set aria attributes when popover is loading.\n        this.root.on(this.events().startLoading, function() {\n            this.getContent().attr('aria-busy', 'true');\n        }.bind(this));\n\n        // Set aria attributes when popover is finished loading.\n        this.root.on(this.events().stopLoading, function() {\n            this.getContent().attr('aria-busy', 'false');\n        }.bind(this));\n\n        // Load more notifications if the user has scrolled to the end of content\n        // item list.\n        this.getContentContainer().on(CustomEvents.events.scrollBottom, function() {\n            if (!this.isLoading && !this.hasLoadedAllContent()) {\n                this.loadMoreNotifications();\n            }\n        }.bind(this));\n\n        // Stop mouse scroll from propagating to the window element and\n        // scrolling the page.\n        CustomEvents.define(this.getContentContainer(), [\n            CustomEvents.events.scrollLock\n        ]);\n\n        // Listen for when a notification is shown in the notifications page and mark\n        // it as read, if it's unread.\n        $(document).on(NotificationAreaEvents.notificationShown, function(e, notification) {\n            if (!notification.read) {\n                var element = this.getNotificationElement(notification.id);\n\n                if (element) {\n                    element.removeClass('unread');\n                }\n\n                this.unreadCount--;\n                this.renderUnreadCount();\n            }\n        }.bind(this));\n    };\n\n    return NotificationPopoverController;\n});\n"],"file":"notification_popover_controller.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification_popover_controller.min.js","sources":["../src/notification_popover_controller.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls the notification popover in the nav bar.\n *\n * See template: message_popup/notification_popover\n *\n * @module     message_popup/notification_popover_controller\n * @class      notification_popover_controller\n * @package    message_popup\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax', 'core/templates', 'core/str', 'core/url',\n            'core/notification', 'core/custom_interaction_events', 'core/popover_region_controller',\n            'message_popup/notification_repository', 'message_popup/notification_area_events'],\n        function($, Ajax, Templates, Str, URL, DebugNotification, CustomEvents,\n            PopoverController, NotificationRepo, NotificationAreaEvents) {\n\n    var SELECTORS = {\n        MARK_ALL_READ_BUTTON: '[data-action=\"mark-all-read\"]',\n        ALL_NOTIFICATIONS_CONTAINER: '[data-region=\"all-notifications\"]',\n        NOTIFICATION: '[data-region=\"notification-content-item-container\"]',\n        UNREAD_NOTIFICATION: '[data-region=\"notification-content-item-container\"].unread',\n        NOTIFICATION_LINK: '[data-action=\"content-item-link\"]',\n        EMPTY_MESSAGE: '[data-region=\"empty-message\"]',\n        COUNT_CONTAINER: '[data-region=\"count-container\"]',\n    };\n\n    /**\n     * Constructor for the NotificationPopoverController.\n     * Extends PopoverRegionController.\n     *\n     * @param {object} element jQuery object root element of the popover\n     */\n    var NotificationPopoverController = function(element) {\n        // Initialise base class.\n        PopoverController.call(this, element);\n\n        this.markAllReadButton = this.root.find(SELECTORS.MARK_ALL_READ_BUTTON);\n        this.unreadCount = 0;\n        this.lastQueried = 0;\n        this.userId = this.root.attr('data-userid');\n        this.container = this.root.find(SELECTORS.ALL_NOTIFICATIONS_CONTAINER);\n        this.limit = 20;\n        this.offset = 0;\n        this.loadedAll = false;\n        this.initialLoad = false;\n\n        // Let's find out how many unread notifications there are.\n        this.unreadCount = this.root.find(SELECTORS.COUNT_CONTAINER).html();\n    };\n\n    /**\n     * Clone the parent prototype.\n     */\n    NotificationPopoverController.prototype = Object.create(PopoverController.prototype);\n\n    /**\n     * Make sure the constructor is set correctly.\n     */\n    NotificationPopoverController.prototype.constructor = NotificationPopoverController;\n\n    /**\n     * Set the correct aria label on the menu toggle button to be read out by screen\n     * readers. The message will indicate the state of the unread notifications.\n     *\n     * @method updateButtonAriaLabel\n     */\n    NotificationPopoverController.prototype.updateButtonAriaLabel = function() {\n        if (this.isMenuOpen()) {\n            Str.get_string('hidenotificationwindow', 'message').done(function(string) {\n                this.menuToggle.attr('aria-label', string);\n            }.bind(this));\n        } else {\n            if (this.unreadCount) {\n                Str.get_string('shownotificationwindowwithcount', 'message', this.unreadCount).done(function(string) {\n                    this.menuToggle.attr('aria-label', string);\n                }.bind(this));\n            } else {\n                Str.get_string('shownotificationwindownonew', 'message').done(function(string) {\n                    this.menuToggle.attr('aria-label', string);\n                }.bind(this));\n            }\n        }\n    };\n\n    /**\n     * Return the jQuery element with the content. This will return either\n     * the unread notification container or the all notification container\n     * depending on which is currently visible.\n     *\n     * @method getContent\n     * @return {object} jQuery object currently visible content contianer\n     */\n    NotificationPopoverController.prototype.getContent = function() {\n        return this.container;\n    };\n\n    /**\n     * Get the offset value for the current state of the popover in order\n     * to sent to the backend to correctly paginate the notifications.\n     *\n     * @method getOffset\n     * @return {int} current offset\n     */\n    NotificationPopoverController.prototype.getOffset = function() {\n        return this.offset;\n    };\n\n    /**\n     * Increment the offset for the current state, if required.\n     *\n     * @method incrementOffset\n     */\n    NotificationPopoverController.prototype.incrementOffset = function() {\n        this.offset += this.limit;\n    };\n\n    /**\n     * Check if the first load of notification has been triggered for the current\n     * state of the popover.\n     *\n     * @method hasDoneInitialLoad\n     * @return {bool} true if first notification loaded, false otherwise\n     */\n    NotificationPopoverController.prototype.hasDoneInitialLoad = function() {\n        return this.initialLoad;\n    };\n\n    /**\n     * Check if we've loaded all of the notifications for the current popover\n     * state.\n     *\n     * @method hasLoadedAllContent\n     * @return {bool} true if all notifications loaded, false otherwise\n     */\n    NotificationPopoverController.prototype.hasLoadedAllContent = function() {\n        return this.loadedAll;\n    };\n\n    /**\n     * Set the state of the loaded all content property for the current state\n     * of the popover.\n     *\n     * @method setLoadedAllContent\n     * @param {bool} val True if all content is loaded, false otherwise\n     */\n    NotificationPopoverController.prototype.setLoadedAllContent = function(val) {\n        this.loadedAll = val;\n    };\n\n    /**\n     * Show the unread notification count badge on the menu toggle if there\n     * are unread notifications, otherwise hide it.\n     *\n     * @method renderUnreadCount\n     */\n    NotificationPopoverController.prototype.renderUnreadCount = function() {\n        var element = this.root.find(SELECTORS.COUNT_CONTAINER);\n\n        if (this.unreadCount) {\n            element.text(this.unreadCount);\n            element.removeClass('hidden');\n        } else {\n            element.addClass('hidden');\n        }\n    };\n\n    /**\n     * Hide the unread notification count badge on the menu toggle.\n     *\n     * @method hideUnreadCount\n     */\n    NotificationPopoverController.prototype.hideUnreadCount = function() {\n        this.root.find(SELECTORS.COUNT_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Find the notification element for the given id.\n     *\n     * @param {int} id\n     * @method getNotificationElement\n     * @return {object|null} The notification element\n     */\n    NotificationPopoverController.prototype.getNotificationElement = function(id) {\n        var element = this.root.find(SELECTORS.NOTIFICATION + '[data-id=\"' + id + '\"]');\n        return element.length == 1 ? element : null;\n    };\n\n    /**\n     * Render the notification data with the appropriate template and add it to the DOM.\n     *\n     * @method renderNotifications\n     * @param {array} notifications Notification data\n     * @param {object} container jQuery object the container to append the rendered notifications\n     * @return {object} jQuery promise that is resolved when all notifications have been\n     *                  rendered and added to the DOM\n     */\n    NotificationPopoverController.prototype.renderNotifications = function(notifications, container) {\n        var promises = [];\n\n        $.each(notifications, function(index, notification) {\n            // Determine what the offset was when loading this notification.\n            var offset = this.getOffset() - this.limit;\n            // Update the view more url to contain the offset to allow the notifications\n            // page to load to the correct position in the list of notifications.\n            notification.viewmoreurl = URL.relativeUrl('/message/output/popup/notifications.php', {\n                notificationid: notification.id,\n                offset: offset,\n            });\n\n            // Link to mark read page before loading the actual link.\n            var notificationurlparams = {\n                notificationid: notification.id\n            };\n\n            notification.contexturl = URL.relativeUrl('message/output/popup/mark_notification_read.php', notificationurlparams);\n\n            var promise = Templates.render('message_popup/notification_content_item', notification)\n            .then(function(html, js) {\n                return {html: html, js: js};\n            });\n            promises.push(promise);\n        }.bind(this));\n\n        return $.when.apply($, promises).then(function() {\n            // Each of the promises in the when will pass its results as an argument to the function.\n            // The order of the arguments will be the order that the promises are passed to when()\n            // i.e. the first promise's results will be in the first argument.\n            $.each(arguments, function(index, argument) {\n                container.append(argument.html);\n                Templates.runTemplateJS(argument.js);\n            });\n            return;\n        });\n    };\n\n    /**\n     * Send a request for more notifications from the server, if we aren't already\n     * loading some and haven't already loaded all of them.\n     *\n     * Takes into account the current mode of the popover and will request only\n     * unread notifications if required.\n     *\n     * All notifications are marked as read by the server when they are returned.\n     *\n     * @method loadMoreNotifications\n     * @return {object} jQuery promise that is resolved when notifications have been\n     *                        retrieved and added to the DOM\n     */\n    NotificationPopoverController.prototype.loadMoreNotifications = function() {\n        if (this.isLoading || this.hasLoadedAllContent()) {\n            return $.Deferred().resolve();\n        }\n\n        this.startLoading();\n        var request = {\n            limit: this.limit,\n            offset: this.getOffset(),\n            useridto: this.userId,\n        };\n\n        var container = this.getContent();\n        return NotificationRepo.query(request).then(function(result) {\n            var notifications = result.notifications;\n            this.unreadCount = result.unreadcount;\n            this.lastQueried = Math.floor(new Date().getTime() / 1000);\n            this.setLoadedAllContent(!notifications.length || notifications.length < this.limit);\n            this.initialLoad = true;\n            this.updateButtonAriaLabel();\n\n            if (notifications.length) {\n                this.incrementOffset();\n                return this.renderNotifications(notifications, container);\n            }\n\n            return false;\n        }.bind(this))\n        .always(function() {\n            this.stopLoading();\n        }.bind(this));\n    };\n\n    /**\n     * Send a request to the server to mark all unread notifications as read and update\n     * the unread count and unread notification elements appropriately.\n     *\n     * @return {Promise}\n     * @method markAllAsRead\n     */\n    NotificationPopoverController.prototype.markAllAsRead = function() {\n        this.markAllReadButton.addClass('loading');\n\n        var request = {\n            useridto: this.userId,\n            timecreatedto: this.lastQueried,\n        };\n\n        return NotificationRepo.markAllAsRead(request)\n            .then(function() {\n                this.unreadCount = 0;\n                this.root.find(SELECTORS.UNREAD_NOTIFICATION).removeClass('unread');\n            }.bind(this))\n            .always(function() {\n                this.markAllReadButton.removeClass('loading');\n            }.bind(this));\n    };\n\n    /**\n     * Add all of the required event listeners for this notification popover.\n     *\n     * @method registerEventListeners\n     */\n    NotificationPopoverController.prototype.registerEventListeners = function() {\n        CustomEvents.define(this.root, [\n            CustomEvents.events.activate,\n        ]);\n\n        // Mark all notifications read if the user activates the mark all as read button.\n        this.root.on(CustomEvents.events.activate, SELECTORS.MARK_ALL_READ_BUTTON, function(e, data) {\n            this.markAllAsRead();\n            e.stopPropagation();\n            data.originalEvent.preventDefault();\n        }.bind(this));\n\n        // Mark individual notification read if the user activates it.\n        this.root.on(CustomEvents.events.activate, SELECTORS.NOTIFICATION_LINK, function(e) {\n            var element = $(e.target).closest(SELECTORS.NOTIFICATION);\n\n            if (element.hasClass('unread')) {\n                this.unreadCount--;\n                element.removeClass('unread');\n            }\n\n            e.stopPropagation();\n        }.bind(this));\n\n        // Update the notification information when the menu is opened.\n        this.root.on(this.events().menuOpened, function() {\n            this.hideUnreadCount();\n            this.updateButtonAriaLabel();\n\n            if (!this.hasDoneInitialLoad()) {\n                this.loadMoreNotifications();\n            }\n        }.bind(this));\n\n        // Update the unread notification count when the menu is closed.\n        this.root.on(this.events().menuClosed, function() {\n            this.renderUnreadCount();\n            this.updateButtonAriaLabel();\n        }.bind(this));\n\n        // Set aria attributes when popover is loading.\n        this.root.on(this.events().startLoading, function() {\n            this.getContent().attr('aria-busy', 'true');\n        }.bind(this));\n\n        // Set aria attributes when popover is finished loading.\n        this.root.on(this.events().stopLoading, function() {\n            this.getContent().attr('aria-busy', 'false');\n        }.bind(this));\n\n        // Load more notifications if the user has scrolled to the end of content\n        // item list.\n        this.getContentContainer().on(CustomEvents.events.scrollBottom, function() {\n            if (!this.isLoading && !this.hasLoadedAllContent()) {\n                this.loadMoreNotifications();\n            }\n        }.bind(this));\n\n        // Stop mouse scroll from propagating to the window element and\n        // scrolling the page.\n        CustomEvents.define(this.getContentContainer(), [\n            CustomEvents.events.scrollLock\n        ]);\n\n        // Listen for when a notification is shown in the notifications page and mark\n        // it as read, if it's unread.\n        $(document).on(NotificationAreaEvents.notificationShown, function(e, notification) {\n            if (!notification.read) {\n                var element = this.getNotificationElement(notification.id);\n\n                if (element) {\n                    element.removeClass('unread');\n                }\n\n                this.unreadCount--;\n                this.renderUnreadCount();\n            }\n        }.bind(this));\n    };\n\n    return 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diff --git a/message/output/popup/amd/build/notification_repository.min.js b/message/output/popup/amd/build/notification_repository.min.js
index 813cb906a88..d2e69d607d3 100644
--- a/message/output/popup/amd/build/notification_repository.min.js
+++ b/message/output/popup/amd/build/notification_repository.min.js
@@ -1,2 +1,12 @@
-define ("message_popup/notification_repository",["core/ajax","core/notification"],function(a,b){return{query:function query(c){if("undefined"==typeof c.limit){c.limit=20}if("undefined"==typeof c.offset){c.offset=0}var d=a.call([{methodname:"message_popup_get_popup_notifications",args:c}])[0];d.fail(b.exception);return d},countUnread:function countUnread(c){var d=a.call([{methodname:"message_popup_get_unread_popup_notification_count",args:c}])[0];d.fail(b.exception);return d},markAllAsRead:function markAllAsRead(c){var d=a.call([{methodname:"core_message_mark_all_notifications_as_read",args:c}])[0];d.fail(b.exception);return d},markAsRead:function markAsRead(c,d){var e={notificationid:c};if(d){e.timeread=d}var f=a.call([{methodname:"core_message_mark_notification_read",args:e}])[0];f.fail(b.exception);return f}}});
-//# sourceMappingURL=notification_repository.min.js.map
+/**
+ * Retrieves notifications from the server.
+ *
+ * @module     message_popup/notification_repository
+ * @class      notification_repository
+ * @package    message_popup
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("message_popup/notification_repository",["core/ajax","core/notification"],(function(Ajax,Notification){return{query:function(args){void 0===args.limit&&(args.limit=20),void 0===args.offset&&(args.offset=0);var request={methodname:"message_popup_get_popup_notifications",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise},countUnread:function(args){var request={methodname:"message_popup_get_unread_popup_notification_count",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise},markAllAsRead:function(args){var request={methodname:"core_message_mark_all_notifications_as_read",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise},markAsRead:function(id,timeread){var args={notificationid:id};timeread&&(args.timeread=timeread);var request={methodname:"core_message_mark_notification_read",args:args},promise=Ajax.call([request])[0];return promise.fail(Notification.exception),promise}}}));
+
+//# sourceMappingURL=notification_repository.min.js.map
\ No newline at end of file
diff --git a/message/output/popup/amd/build/notification_repository.min.js.map b/message/output/popup/amd/build/notification_repository.min.js.map
index 07ea7cc8a4d..17036b91e60 100644
--- a/message/output/popup/amd/build/notification_repository.min.js.map
+++ b/message/output/popup/amd/build/notification_repository.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Retrieves notifications from the server.\n *\n * @module     message_popup/notification_repository\n * @class      notification_repository\n * @package    message_popup\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax', 'core/notification'], function(Ajax, Notification) {\n    /**\n     * Retrieve a list of notifications from the server.\n     *\n     * @param {object} args The request arguments\n     * @return {object} jQuery promise\n     */\n    var query = function(args) {\n        if (typeof args.limit === 'undefined') {\n            args.limit = 20;\n        }\n\n        if (typeof args.offset === 'undefined') {\n            args.offset = 0;\n        }\n\n        var request = {\n            methodname: 'message_popup_get_popup_notifications',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Get the number of unread notifications from the server.\n     *\n     * @param {object} args The request arguments\n     * @return {object} jQuery promise\n     */\n    var countUnread = function(args) {\n        var request = {\n            methodname: 'message_popup_get_unread_popup_notification_count',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Mark all notifications for the given user as read.\n     *\n     * @param {object} args The request arguments:\n     * @return {object} jQuery promise\n     */\n    var markAllAsRead = function(args) {\n        var request = {\n            methodname: 'core_message_mark_all_notifications_as_read',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Mark a specific notification as read.\n     *\n     * @param {int} id The notification id\n     * @param {int} timeread The read timestamp (optional)\n     * @return {object} jQuery promise\n     */\n    var markAsRead = function(id, timeread) {\n        var args = {\n            notificationid: id,\n        };\n\n        if (timeread) {\n            args.timeread = timeread;\n        }\n\n        var request = {\n            methodname: 'core_message_mark_notification_read',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    return {\n        query: query,\n        countUnread: countUnread,\n        markAllAsRead: markAllAsRead,\n        markAsRead: markAsRead,\n    };\n});\n"],"file":"notification_repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"notification_repository.min.js","sources":["../src/notification_repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Retrieves notifications from the server.\n *\n * @module     message_popup/notification_repository\n * @class      notification_repository\n * @package    message_popup\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax', 'core/notification'], function(Ajax, Notification) {\n    /**\n     * Retrieve a list of notifications from the server.\n     *\n     * @param {object} args The request arguments\n     * @return {object} jQuery promise\n     */\n    var query = function(args) {\n        if (typeof args.limit === 'undefined') {\n            args.limit = 20;\n        }\n\n        if (typeof args.offset === 'undefined') {\n            args.offset = 0;\n        }\n\n        var request = {\n            methodname: 'message_popup_get_popup_notifications',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Get the number of unread notifications from the server.\n     *\n     * @param {object} args The request arguments\n     * @return {object} jQuery promise\n     */\n    var countUnread = function(args) {\n        var request = {\n            methodname: 'message_popup_get_unread_popup_notification_count',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Mark all notifications for the given user as read.\n     *\n     * @param {object} args The request arguments:\n     * @return {object} jQuery promise\n     */\n    var markAllAsRead = function(args) {\n        var request = {\n            methodname: 'core_message_mark_all_notifications_as_read',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Mark a specific notification as read.\n     *\n     * @param {int} id The notification id\n     * @param {int} timeread The read timestamp (optional)\n     * @return {object} jQuery promise\n     */\n    var markAsRead = function(id, timeread) {\n        var args = {\n            notificationid: id,\n        };\n\n        if (timeread) {\n            args.timeread = timeread;\n        }\n\n        var request = {\n            methodname: 'core_message_mark_notification_read',\n            args: args\n        };\n\n        var promise = Ajax.call([request])[0];\n\n        promise.fail(Notification.exception);\n\n        return promise;\n    };\n\n    return {\n        query: query,\n        countUnread: countUnread,\n        markAllAsRead: markAllAsRead,\n        markAsRead: markAsRead,\n    };\n});\n"],"names":["define","Ajax","Notification","query","args","limit","offset","request","methodname","promise","call","fail","exception","countUnread","markAllAsRead","markAsRead","id","timeread","notificationid"],"mappings":";;;;;;;;;AAwBAA,+CAAO,CAAC,YAAa,sBAAsB,SAASC,KAAMC,oBA8F/C,CACHC,MAxFQ,SAASC,WACS,IAAfA,KAAKC,QACZD,KAAKC,MAAQ,SAGU,IAAhBD,KAAKE,SACZF,KAAKE,OAAS,OAGdC,QAAU,CACVC,WAAY,wCACZJ,KAAMA,MAGNK,QAAUR,KAAKS,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKT,aAAaU,WAEnBH,SAuEPI,YA9Dc,SAAST,UACnBG,QAAU,CACVC,WAAY,oDACZJ,KAAMA,MAGNK,QAAUR,KAAKS,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKT,aAAaU,WAEnBH,SAqDPK,cA5CgB,SAASV,UACrBG,QAAU,CACVC,WAAY,8CACZJ,KAAMA,MAGNK,QAAUR,KAAKS,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKT,aAAaU,WAEnBH,SAmCPM,WAzBa,SAASC,GAAIC,cACtBb,KAAO,CACPc,eAAgBF,IAGhBC,WACAb,KAAKa,SAAWA,cAGhBV,QAAU,CACVC,WAAY,sCACZJ,KAAMA,MAGNK,QAAUR,KAAKS,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKT,aAAaU,WAEnBH"}
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_actions.min.js b/mod/assign/amd/build/grading_actions.min.js
index 380a6a54f56..0dafb30062c 100644
--- a/mod/assign/amd/build/grading_actions.min.js
+++ b/mod/assign/amd/build/grading_actions.min.js
@@ -1,2 +1,13 @@
-define ("mod_assign/grading_actions",["jquery","mod_assign/grading_events"],function(a,b){var c=function(b){this._regionSelector=b;this._region=a(b);this.registerEventListeners()};c.prototype._regionSelector=null;c.prototype._lastUserId=0;c.prototype._region=null;c.prototype._showActionsForm=function(a,b){var c=this._region.find("[data-region=grading-actions-form]");if(b!=this._lastUserId&&0<b){this._lastUserId=b}if(0<b){c.removeClass("hide")}else{c.addClass("hide")}};c.prototype._trigger=function(b){a(document).trigger(b)};c.prototype.getReviewPanelElement=function(){return a("[data-region=\"review-panel\"]")};c.prototype.hasReviewPanelElement=function(){return 0<this.getReviewPanelElement().length};c.prototype.getCollapseGradePanelButton=function(){return a("[data-region=\"grade-actions\"] .collapse-grade-panel")};c.prototype.getCollapseReviewPanelButton=function(){return a("[data-region=\"grade-actions\"] .collapse-review-panel")};c.prototype.getExpandAllPanelsButton=function(){return a("[data-region=\"grade-actions\"] .collapse-none")};c.prototype.resetLayoutButtons=function(){this.getCollapseGradePanelButton().removeClass("active");this.getCollapseReviewPanelButton().removeClass("active");this.getExpandAllPanelsButton().removeClass("active")};c.prototype.collapseReviewPanel=function(){a(document).trigger(b.COLLAPSE_REVIEW_PANEL);a(document).trigger(b.EXPAND_GRADE_PANEL);this.resetLayoutButtons();this.getCollapseReviewPanelButton().addClass("active")};c.prototype.collapseGradePanel=function(){a(document).trigger(b.COLLAPSE_GRADE_PANEL);a(document).trigger(b.EXPAND_REVIEW_PANEL);this.resetLayoutButtons();this.getCollapseGradePanelButton().addClass("active")};c.prototype.expandAllPanels=function(){a(document).trigger(b.EXPAND_GRADE_PANEL);a(document).trigger(b.EXPAND_REVIEW_PANEL);this.resetLayoutButtons();this.getExpandAllPanelsButton().addClass("active")};c.prototype.registerEventListeners=function(){if(this.hasReviewPanelElement()){var b=this.getCollapseReviewPanelButton();b.click(function(a){this.collapseReviewPanel();a.preventDefault()}.bind(this));b.keydown(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(13===a.keyCode||32===a.keyCode){this.collapseReviewPanel();a.preventDefault()}}}.bind(this));var c=this.getCollapseGradePanelButton();c.click(function(a){this.collapseGradePanel();a.preventDefault()}.bind(this));c.keydown(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(13===a.keyCode||32===a.keyCode){this.collapseGradePanel();a.preventDefault()}}}.bind(this));var d=this.getExpandAllPanelsButton();d.click(function(a){this.expandAllPanels();a.preventDefault()}.bind(this));d.keydown(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(13===a.keyCode||32===a.keyCode){this.expandAllPanels();a.preventDefault()}}}.bind(this))}a(document).on("user-changed",this._showActionsForm.bind(this));this._region.find("[name=\"savechanges\"]").on("click",this._trigger.bind(this,"save-changes"));this._region.find("[name=\"saveandshownext\"]").on("click",this._trigger.bind(this,"save-and-show-next"));this._region.find("[name=\"resetbutton\"]").on("click",this._trigger.bind(this,"reset"));this._region.find("form").on("submit",function(a){a.preventDefault()})};return c});
-//# sourceMappingURL=grading_actions.min.js.map
+/**
+ * Javascript controller for the "Actions" panel at the bottom of the page.
+ *
+ * @module     mod_assign/grading_actions
+ * @package    mod_assign
+ * @class      GradingActions
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_assign/grading_actions",["jquery","mod_assign/grading_events"],(function($,GradingEvents){var GradingActions=function(selector){this._regionSelector=selector,this._region=$(selector),this.registerEventListeners()};return GradingActions.prototype._regionSelector=null,GradingActions.prototype._lastUserId=0,GradingActions.prototype._region=null,GradingActions.prototype._showActionsForm=function(event,userid){var form=this._region.find("[data-region=grading-actions-form]");userid!=this._lastUserId&&userid>0&&(this._lastUserId=userid),userid>0?form.removeClass("hide"):form.addClass("hide")},GradingActions.prototype._trigger=function(action){$(document).trigger(action)},GradingActions.prototype.getReviewPanelElement=function(){return $('[data-region="review-panel"]')},GradingActions.prototype.hasReviewPanelElement=function(){return this.getReviewPanelElement().length>0},GradingActions.prototype.getCollapseGradePanelButton=function(){return $('[data-region="grade-actions"] .collapse-grade-panel')},GradingActions.prototype.getCollapseReviewPanelButton=function(){return $('[data-region="grade-actions"] .collapse-review-panel')},GradingActions.prototype.getExpandAllPanelsButton=function(){return $('[data-region="grade-actions"] .collapse-none')},GradingActions.prototype.resetLayoutButtons=function(){this.getCollapseGradePanelButton().removeClass("active"),this.getCollapseReviewPanelButton().removeClass("active"),this.getExpandAllPanelsButton().removeClass("active")},GradingActions.prototype.collapseReviewPanel=function(){$(document).trigger(GradingEvents.COLLAPSE_REVIEW_PANEL),$(document).trigger(GradingEvents.EXPAND_GRADE_PANEL),this.resetLayoutButtons(),this.getCollapseReviewPanelButton().addClass("active")},GradingActions.prototype.collapseGradePanel=function(){$(document).trigger(GradingEvents.COLLAPSE_GRADE_PANEL),$(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL),this.resetLayoutButtons(),this.getCollapseGradePanelButton().addClass("active")},GradingActions.prototype.expandAllPanels=function(){$(document).trigger(GradingEvents.EXPAND_GRADE_PANEL),$(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL),this.resetLayoutButtons(),this.getExpandAllPanelsButton().addClass("active")},GradingActions.prototype.registerEventListeners=function(){if(this.hasReviewPanelElement()){var collapseReviewPanelButton=this.getCollapseReviewPanelButton();collapseReviewPanelButton.click(function(e){this.collapseReviewPanel(),e.preventDefault()}.bind(this)),collapseReviewPanelButton.keydown(function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||13!==e.keyCode&&32!==e.keyCode||(this.collapseReviewPanel(),e.preventDefault())}.bind(this));var collapseGradePanelButton=this.getCollapseGradePanelButton();collapseGradePanelButton.click(function(e){this.collapseGradePanel(),e.preventDefault()}.bind(this)),collapseGradePanelButton.keydown(function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||13!==e.keyCode&&32!==e.keyCode||(this.collapseGradePanel(),e.preventDefault())}.bind(this));var expandAllPanelsButton=this.getExpandAllPanelsButton();expandAllPanelsButton.click(function(e){this.expandAllPanels(),e.preventDefault()}.bind(this)),expandAllPanelsButton.keydown(function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||13!==e.keyCode&&32!==e.keyCode||(this.expandAllPanels(),e.preventDefault())}.bind(this))}$(document).on("user-changed",this._showActionsForm.bind(this)),this._region.find('[name="savechanges"]').on("click",this._trigger.bind(this,"save-changes")),this._region.find('[name="saveandshownext"]').on("click",this._trigger.bind(this,"save-and-show-next")),this._region.find('[name="resetbutton"]').on("click",this._trigger.bind(this,"reset")),this._region.find("form").on("submit",(function(e){e.preventDefault()}))},GradingActions}));
+
+//# sourceMappingURL=grading_actions.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_actions.min.js.map b/mod/assign/amd/build/grading_actions.min.js.map
index 5a731e81b7b..92476bac5c7 100644
--- a/mod/assign/amd/build/grading_actions.min.js.map
+++ b/mod/assign/amd/build/grading_actions.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript controller for the \"Actions\" panel at the bottom of the page.\n *\n * @module     mod_assign/grading_actions\n * @package    mod_assign\n * @class      GradingActions\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'mod_assign/grading_events'], function($, GradingEvents) {\n\n    /**\n     * GradingActions class.\n     *\n     * @class GradingActions\n     * @param {String} selector The selector for the page region containing the actions panel.\n     */\n    var GradingActions = function(selector) {\n        this._regionSelector = selector;\n        this._region = $(selector);\n\n        this.registerEventListeners();\n    };\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    GradingActions.prototype._regionSelector = null;\n\n    /** @type {Integer} Remember the last user id to prevent unnessecary reloads. */\n    GradingActions.prototype._lastUserId = 0;\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    GradingActions.prototype._region = null;\n\n    /**\n     * Show the actions if there is valid user.\n     *\n     * @method _showActionsForm\n     * @private\n     * @param {Event} event\n     * @param {Integer} userid\n     */\n    GradingActions.prototype._showActionsForm = function(event, userid) {\n        var form = this._region.find('[data-region=grading-actions-form]');\n\n        if (userid != this._lastUserId && userid > 0) {\n            this._lastUserId = userid;\n        }\n        if (userid > 0) {\n            form.removeClass('hide');\n        } else {\n            form.addClass('hide');\n        }\n\n    };\n\n    /**\n     * Trigger the named action.\n     *\n     * @method _trigger\n     * @private\n     * @param {String} action\n     */\n    GradingActions.prototype._trigger = function(action) {\n        $(document).trigger(action);\n    };\n\n    /**\n     * Get the review panel element.\n     *\n     * @method getReviewPanelElement\n     * @return {jQuery}\n     */\n    GradingActions.prototype.getReviewPanelElement = function() {\n        return $('[data-region=\"review-panel\"]');\n    };\n\n    /**\n     * Check if the page has a review panel.\n     *\n     * @method hasReviewPanelElement\n     * @return {bool}\n     */\n    GradingActions.prototype.hasReviewPanelElement = function() {\n        return this.getReviewPanelElement().length > 0;\n    };\n\n    /**\n     * Get the collapse grade panel button.\n     *\n     * @method getCollapseGradePanelButton\n     * @return {jQuery}\n     */\n    GradingActions.prototype.getCollapseGradePanelButton = function() {\n        return $('[data-region=\"grade-actions\"] .collapse-grade-panel');\n    };\n\n    /**\n     * Get the collapse review panel button.\n     *\n     * @method getCollapseReviewPanelButton\n     * @return {jQuery}\n     */\n    GradingActions.prototype.getCollapseReviewPanelButton = function() {\n        return $('[data-region=\"grade-actions\"] .collapse-review-panel');\n    };\n\n    /**\n     * Get the expand all panels button.\n     *\n     * @method getExpandAllPanelsButton\n     * @return {jQuery}\n     */\n    GradingActions.prototype.getExpandAllPanelsButton = function() {\n        return $('[data-region=\"grade-actions\"] .collapse-none');\n    };\n\n    /**\n     * Remove the active state from all layout buttons.\n     *\n     * @method resetLayoutButtons\n     */\n    GradingActions.prototype.resetLayoutButtons = function() {\n        this.getCollapseGradePanelButton().removeClass('active');\n        this.getCollapseReviewPanelButton().removeClass('active');\n        this.getExpandAllPanelsButton().removeClass('active');\n    };\n\n    /**\n     * Hide the review panel.\n     *\n     * @method collapseReviewPanel\n     */\n    GradingActions.prototype.collapseReviewPanel = function() {\n        $(document).trigger(GradingEvents.COLLAPSE_REVIEW_PANEL);\n        $(document).trigger(GradingEvents.EXPAND_GRADE_PANEL);\n        this.resetLayoutButtons();\n        this.getCollapseReviewPanelButton().addClass('active');\n    };\n\n    /**\n     * Show/Hide the grade panel.\n     *\n     * @method collapseGradePanel\n     */\n    GradingActions.prototype.collapseGradePanel = function() {\n        $(document).trigger(GradingEvents.COLLAPSE_GRADE_PANEL);\n        $(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL);\n        this.resetLayoutButtons();\n        this.getCollapseGradePanelButton().addClass('active');\n    };\n\n    /**\n     * Return the layout to default.\n     *\n     * @method expandAllPanels\n     */\n    GradingActions.prototype.expandAllPanels = function() {\n        $(document).trigger(GradingEvents.EXPAND_GRADE_PANEL);\n        $(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL);\n        this.resetLayoutButtons();\n        this.getExpandAllPanelsButton().addClass('active');\n    };\n\n    /**\n     * Register event listeners for the grade panel.\n     *\n     * @method registerEventListeners\n     */\n    GradingActions.prototype.registerEventListeners = function() {\n        // Don't need layout controls if there is no review panel.\n        if (this.hasReviewPanelElement()) {\n            var collapseReviewPanelButton = this.getCollapseReviewPanelButton();\n            collapseReviewPanelButton.click(function(e) {\n                this.collapseReviewPanel();\n                e.preventDefault();\n            }.bind(this));\n\n            collapseReviewPanelButton.keydown(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode === 13 || e.keyCode === 32) {\n                        this.collapseReviewPanel();\n                        e.preventDefault();\n                    }\n                }\n            }.bind(this));\n\n            var collapseGradePanelButton = this.getCollapseGradePanelButton();\n            collapseGradePanelButton.click(function(e) {\n                this.collapseGradePanel();\n                e.preventDefault();\n            }.bind(this));\n\n            collapseGradePanelButton.keydown(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode === 13 || e.keyCode === 32) {\n                        this.collapseGradePanel();\n                        e.preventDefault();\n                    }\n                }\n            }.bind(this));\n\n            var expandAllPanelsButton = this.getExpandAllPanelsButton();\n            expandAllPanelsButton.click(function(e) {\n                this.expandAllPanels();\n                e.preventDefault();\n            }.bind(this));\n\n            expandAllPanelsButton.keydown(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode === 13 || e.keyCode === 32) {\n                        this.expandAllPanels();\n                        e.preventDefault();\n                    }\n                }\n            }.bind(this));\n        }\n\n        $(document).on('user-changed', this._showActionsForm.bind(this));\n\n        this._region.find('[name=\"savechanges\"]').on('click', this._trigger.bind(this, 'save-changes'));\n        this._region.find('[name=\"saveandshownext\"]').on('click', this._trigger.bind(this, 'save-and-show-next'));\n        this._region.find('[name=\"resetbutton\"]').on('click', this._trigger.bind(this, 'reset'));\n        this._region.find('form').on('submit', function(e) {\n            e.preventDefault();\n        });\n    };\n\n    return GradingActions;\n});\n"],"file":"grading_actions.min.js"}
\ No newline at end of file
+{"version":3,"file":"grading_actions.min.js","sources":["../src/grading_actions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript controller for the \"Actions\" panel at the bottom of the page.\n *\n * @module     mod_assign/grading_actions\n * @package    mod_assign\n * @class      GradingActions\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'mod_assign/grading_events'], function($, GradingEvents) {\n\n    /**\n     * GradingActions class.\n     *\n     * @class GradingActions\n     * @param {String} selector The selector for the page region containing the actions panel.\n     */\n    var GradingActions = function(selector) {\n        this._regionSelector = selector;\n        this._region = $(selector);\n\n        this.registerEventListeners();\n    };\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    GradingActions.prototype._regionSelector = null;\n\n    /** @type {Integer} Remember the last user id to prevent unnessecary reloads. */\n    GradingActions.prototype._lastUserId = 0;\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    GradingActions.prototype._region = null;\n\n    /**\n     * Show the actions if there is valid user.\n     *\n     * @method _showActionsForm\n     * @private\n     * @param {Event} event\n     * @param {Integer} userid\n     */\n    GradingActions.prototype._showActionsForm = function(event, userid) {\n        var form = this._region.find('[data-region=grading-actions-form]');\n\n        if (userid != this._lastUserId && userid > 0) {\n            this._lastUserId = userid;\n        }\n        if (userid > 0) {\n            form.removeClass('hide');\n        } else {\n            form.addClass('hide');\n        }\n\n    };\n\n    /**\n     * Trigger the named action.\n     *\n     * @method _trigger\n     * @private\n     * @param {String} action\n     */\n    GradingActions.prototype._trigger = function(action) {\n        $(document).trigger(action);\n    };\n\n    /**\n     * Get the review panel element.\n     *\n     * @method getReviewPanelElement\n     * @return {jQuery}\n     */\n    GradingActions.prototype.getReviewPanelElement = function() {\n        return $('[data-region=\"review-panel\"]');\n    };\n\n    /**\n     * Check if the page has a review panel.\n     *\n     * @method hasReviewPanelElement\n     * @return {bool}\n     */\n    GradingActions.prototype.hasReviewPanelElement = function() {\n        return this.getReviewPanelElement().length > 0;\n    };\n\n    /**\n     * Get the collapse grade panel button.\n     *\n     * @method getCollapseGradePanelButton\n     * @return {jQuery}\n     */\n    GradingActions.prototype.getCollapseGradePanelButton = function() {\n        return $('[data-region=\"grade-actions\"] .collapse-grade-panel');\n    };\n\n    /**\n     * Get the collapse review panel button.\n     *\n     * @method getCollapseReviewPanelButton\n     * @return {jQuery}\n     */\n    GradingActions.prototype.getCollapseReviewPanelButton = function() {\n        return $('[data-region=\"grade-actions\"] .collapse-review-panel');\n    };\n\n    /**\n     * Get the expand all panels button.\n     *\n     * @method getExpandAllPanelsButton\n     * @return {jQuery}\n     */\n    GradingActions.prototype.getExpandAllPanelsButton = function() {\n        return $('[data-region=\"grade-actions\"] .collapse-none');\n    };\n\n    /**\n     * Remove the active state from all layout buttons.\n     *\n     * @method resetLayoutButtons\n     */\n    GradingActions.prototype.resetLayoutButtons = function() {\n        this.getCollapseGradePanelButton().removeClass('active');\n        this.getCollapseReviewPanelButton().removeClass('active');\n        this.getExpandAllPanelsButton().removeClass('active');\n    };\n\n    /**\n     * Hide the review panel.\n     *\n     * @method collapseReviewPanel\n     */\n    GradingActions.prototype.collapseReviewPanel = function() {\n        $(document).trigger(GradingEvents.COLLAPSE_REVIEW_PANEL);\n        $(document).trigger(GradingEvents.EXPAND_GRADE_PANEL);\n        this.resetLayoutButtons();\n        this.getCollapseReviewPanelButton().addClass('active');\n    };\n\n    /**\n     * Show/Hide the grade panel.\n     *\n     * @method collapseGradePanel\n     */\n    GradingActions.prototype.collapseGradePanel = function() {\n        $(document).trigger(GradingEvents.COLLAPSE_GRADE_PANEL);\n        $(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL);\n        this.resetLayoutButtons();\n        this.getCollapseGradePanelButton().addClass('active');\n    };\n\n    /**\n     * Return the layout to default.\n     *\n     * @method expandAllPanels\n     */\n    GradingActions.prototype.expandAllPanels = function() {\n        $(document).trigger(GradingEvents.EXPAND_GRADE_PANEL);\n        $(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL);\n        this.resetLayoutButtons();\n        this.getExpandAllPanelsButton().addClass('active');\n    };\n\n    /**\n     * Register event listeners for the grade panel.\n     *\n     * @method registerEventListeners\n     */\n    GradingActions.prototype.registerEventListeners = function() {\n        // Don't need layout controls if there is no review panel.\n        if (this.hasReviewPanelElement()) {\n            var collapseReviewPanelButton = this.getCollapseReviewPanelButton();\n            collapseReviewPanelButton.click(function(e) {\n                this.collapseReviewPanel();\n                e.preventDefault();\n            }.bind(this));\n\n            collapseReviewPanelButton.keydown(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode === 13 || e.keyCode === 32) {\n                        this.collapseReviewPanel();\n                        e.preventDefault();\n                    }\n                }\n            }.bind(this));\n\n            var collapseGradePanelButton = this.getCollapseGradePanelButton();\n            collapseGradePanelButton.click(function(e) {\n                this.collapseGradePanel();\n                e.preventDefault();\n            }.bind(this));\n\n            collapseGradePanelButton.keydown(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode === 13 || e.keyCode === 32) {\n                        this.collapseGradePanel();\n                        e.preventDefault();\n                    }\n                }\n            }.bind(this));\n\n            var expandAllPanelsButton = this.getExpandAllPanelsButton();\n            expandAllPanelsButton.click(function(e) {\n                this.expandAllPanels();\n                e.preventDefault();\n            }.bind(this));\n\n            expandAllPanelsButton.keydown(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode === 13 || e.keyCode === 32) {\n                        this.expandAllPanels();\n                        e.preventDefault();\n                    }\n                }\n            }.bind(this));\n        }\n\n        $(document).on('user-changed', this._showActionsForm.bind(this));\n\n        this._region.find('[name=\"savechanges\"]').on('click', this._trigger.bind(this, 'save-changes'));\n        this._region.find('[name=\"saveandshownext\"]').on('click', this._trigger.bind(this, 'save-and-show-next'));\n        this._region.find('[name=\"resetbutton\"]').on('click', this._trigger.bind(this, 'reset'));\n        this._region.find('form').on('submit', function(e) {\n            e.preventDefault();\n        });\n    };\n\n    return 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\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_events.min.js b/mod/assign/amd/build/grading_events.min.js
index 911dacd5e3d..97f106226e4 100644
--- a/mod/assign/amd/build/grading_events.min.js
+++ b/mod/assign/amd/build/grading_events.min.js
@@ -1,2 +1,12 @@
-define ("mod_assign/grading_events",function(){return{COLLAPSE_REVIEW_PANEL:"grading:collapse-review-panel",EXPAND_REVIEW_PANEL:"grading:expand-review-panel",COLLAPSE_GRADE_PANEL:"grading:collapse-grade-panel",EXPAND_GRADE_PANEL:"grading:expand-grade-panel"}});
-//# sourceMappingURL=grading_events.min.js.map
+/**
+ * Events for the grading interface.
+ *
+ * @module     mod_assign/grading_events
+ * @package    mod_assign
+ * @copyright  2016 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_assign/grading_events",(function(){return{COLLAPSE_REVIEW_PANEL:"grading:collapse-review-panel",EXPAND_REVIEW_PANEL:"grading:expand-review-panel",COLLAPSE_GRADE_PANEL:"grading:collapse-grade-panel",EXPAND_GRADE_PANEL:"grading:expand-grade-panel"}}));
+
+//# sourceMappingURL=grading_events.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_events.min.js.map b/mod/assign/amd/build/grading_events.min.js.map
index 1f5b28f46ea..6520e7966ec 100644
--- a/mod/assign/amd/build/grading_events.min.js.map
+++ b/mod/assign/amd/build/grading_events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/grading_events.js"],"names":["define","COLLAPSE_REVIEW_PANEL","EXPAND_REVIEW_PANEL","COLLAPSE_GRADE_PANEL","EXPAND_GRADE_PANEL"],"mappings":"AAwBAA,OAAM,6BAAC,UAAW,CACd,MAAO,CACHC,qBAAqB,CAAE,+BADpB,CAEHC,mBAAmB,CAAE,6BAFlB,CAGHC,oBAAoB,CAAE,8BAHnB,CAIHC,kBAAkB,CAAE,4BAJjB,CAMV,CAPK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the grading interface.\n *\n * @module     mod_assign/grading_events\n * @package    mod_assign\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(function() {\n    return {\n        COLLAPSE_REVIEW_PANEL: 'grading:collapse-review-panel',\n        EXPAND_REVIEW_PANEL: 'grading:expand-review-panel',\n        COLLAPSE_GRADE_PANEL: 'grading:collapse-grade-panel',\n        EXPAND_GRADE_PANEL: 'grading:expand-grade-panel',\n    };\n});\n"],"file":"grading_events.min.js"}
\ No newline at end of file
+{"version":3,"file":"grading_events.min.js","sources":["../src/grading_events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the grading interface.\n *\n * @module     mod_assign/grading_events\n * @package    mod_assign\n * @copyright  2016 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(function() {\n    return {\n        COLLAPSE_REVIEW_PANEL: 'grading:collapse-review-panel',\n        EXPAND_REVIEW_PANEL: 'grading:expand-review-panel',\n        COLLAPSE_GRADE_PANEL: 'grading:collapse-grade-panel',\n        EXPAND_GRADE_PANEL: 'grading:expand-grade-panel',\n    };\n});\n"],"names":["define","COLLAPSE_REVIEW_PANEL","EXPAND_REVIEW_PANEL","COLLAPSE_GRADE_PANEL","EXPAND_GRADE_PANEL"],"mappings":";;;;;;;;;AAwBAA,oCAAO,iBACI,CACHC,sBAAuB,gCACvBC,oBAAqB,8BACrBC,qBAAsB,+BACtBC,mBAAoB"}
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_form_change_checker.min.js b/mod/assign/amd/build/grading_form_change_checker.min.js
index e8166843fa5..29603a34eda 100644
--- a/mod/assign/amd/build/grading_form_change_checker.min.js
+++ b/mod/assign/amd/build/grading_form_change_checker.min.js
@@ -1,2 +1,12 @@
-define ("mod_assign/grading_form_change_checker",["jquery"],function(a){return{saveFormState:function saveFormState(b){a(b).trigger("save-form-state");var c=a(b).serialize();a(b).data("saved-form-state",c)},checkFormForChanges:function checkFormForChanges(b){a(b).trigger("save-form-state");var c=a(b).serialize(),d=a(b).data("saved-form-state");if("undefined"==typeof d){return!1}return d!=c}}});
-//# sourceMappingURL=grading_form_change_checker.min.js.map
+/**
+ * Simple method to check for changes to a form between two points in time.
+ *
+ * @module     mod_assign/grading_form_change_checker
+ * @package    mod_assign
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_assign/grading_form_change_checker",["jquery"],(function($){return{saveFormState:function(selector){$(selector).trigger("save-form-state");var data=$(selector).serialize();$(selector).data("saved-form-state",data)},checkFormForChanges:function(selector){$(selector).trigger("save-form-state");var data=$(selector).serialize(),previousdata=$(selector).data("saved-form-state");return void 0!==previousdata&&previousdata!=data}}}));
+
+//# sourceMappingURL=grading_form_change_checker.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_form_change_checker.min.js.map b/mod/assign/amd/build/grading_form_change_checker.min.js.map
index 65a70e8100f..e3d8890149f 100644
--- a/mod/assign/amd/build/grading_form_change_checker.min.js.map
+++ b/mod/assign/amd/build/grading_form_change_checker.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/grading_form_change_checker.js"],"names":["define","$","saveFormState","selector","trigger","data","serialize","checkFormForChanges","previousdata"],"mappings":"AAwBAA,OAAM,0CAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAE3B,MAAmE,CAO/DC,aAAa,CAAE,uBAASC,CAAT,CAAmB,CAC9BF,CAAC,CAACE,CAAD,CAAD,CAAYC,OAAZ,CAAoB,iBAApB,EACA,GAAIC,CAAAA,CAAI,CAAGJ,CAAC,CAACE,CAAD,CAAD,CAAYG,SAAZ,EAAX,CACAL,CAAC,CAACE,CAAD,CAAD,CAAYE,IAAZ,CAAiB,kBAAjB,CAAqCA,CAArC,CACH,CAX8D,CAoB/DE,mBAAmB,CAAE,6BAASJ,CAAT,CAAmB,CAEpCF,CAAC,CAACE,CAAD,CAAD,CAAYC,OAAZ,CAAoB,iBAApB,EAEA,GAAIC,CAAAA,CAAI,CAAGJ,CAAC,CAACE,CAAD,CAAD,CAAYG,SAAZ,EAAX,CACIE,CAAY,CAAGP,CAAC,CAACE,CAAD,CAAD,CAAYE,IAAZ,CAAiB,kBAAjB,CADnB,CAGA,GAA4B,WAAxB,QAAOG,CAAAA,CAAX,CAAyC,CACrC,QACH,CACD,MAAQA,CAAAA,CAAY,EAAIH,CAC3B,CA/B8D,CAiCtE,CAnCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Simple method to check for changes to a form between two points in time.\n *\n * @module     mod_assign/grading_form_change_checker\n * @package    mod_assign\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery'], function($) {\n\n    return /** @alias module:mod_assign/grading_form_change_checker */ {\n        /**\n         * Save the values in the form to a data attribute so they can be compared later for changes.\n         *\n         * @method saveFormState\n         * @param {String} selector The selector for the form element.\n         */\n        saveFormState: function(selector) {\n            $(selector).trigger('save-form-state');\n            var data = $(selector).serialize();\n            $(selector).data('saved-form-state', data);\n        },\n\n        /**\n         * Compare the current values in the form to the previously saved state.\n         *\n         * @method checkFormForChanges\n         * @param {String} selector The selector for the form element.\n         * @return {Boolean} True if there are changes to the form data.\n         */\n        checkFormForChanges: function(selector) {\n\n            $(selector).trigger('save-form-state');\n\n            var data = $(selector).serialize(),\n                previousdata = $(selector).data('saved-form-state');\n\n            if (typeof previousdata === 'undefined') {\n                return false;\n            }\n            return (previousdata != data);\n        }\n    };\n});\n"],"file":"grading_form_change_checker.min.js"}
\ No newline at end of file
+{"version":3,"file":"grading_form_change_checker.min.js","sources":["../src/grading_form_change_checker.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Simple method to check for changes to a form between two points in time.\n *\n * @module     mod_assign/grading_form_change_checker\n * @package    mod_assign\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery'], function($) {\n\n    return /** @alias module:mod_assign/grading_form_change_checker */ {\n        /**\n         * Save the values in the form to a data attribute so they can be compared later for changes.\n         *\n         * @method saveFormState\n         * @param {String} selector The selector for the form element.\n         */\n        saveFormState: function(selector) {\n            $(selector).trigger('save-form-state');\n            var data = $(selector).serialize();\n            $(selector).data('saved-form-state', data);\n        },\n\n        /**\n         * Compare the current values in the form to the previously saved state.\n         *\n         * @method checkFormForChanges\n         * @param {String} selector The selector for the form element.\n         * @return {Boolean} True if there are changes to the form data.\n         */\n        checkFormForChanges: function(selector) {\n\n            $(selector).trigger('save-form-state');\n\n            var data = $(selector).serialize(),\n                previousdata = $(selector).data('saved-form-state');\n\n            if (typeof previousdata === 'undefined') {\n                return false;\n            }\n            return (previousdata != data);\n        }\n    };\n});\n"],"names":["define","$","saveFormState","selector","trigger","data","serialize","checkFormForChanges","previousdata"],"mappings":";;;;;;;;;AAwBAA,gDAAO,CAAC,WAAW,SAASC,SAE2C,CAO/DC,cAAe,SAASC,UACpBF,EAAEE,UAAUC,QAAQ,uBAChBC,KAAOJ,EAAEE,UAAUG,YACvBL,EAAEE,UAAUE,KAAK,mBAAoBA,OAUzCE,oBAAqB,SAASJ,UAE1BF,EAAEE,UAAUC,QAAQ,uBAEhBC,KAAOJ,EAAEE,UAAUG,YACnBE,aAAeP,EAAEE,UAAUE,KAAK,gCAER,IAAjBG,cAGHA,cAAgBH"}
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_navigation.min.js b/mod/assign/amd/build/grading_navigation.min.js
index 6707bfe3544..665959bdf94 100644
--- a/mod/assign/amd/build/grading_navigation.min.js
+++ b/mod/assign/amd/build/grading_navigation.min.js
@@ -1,2 +1,12 @@
-define ("mod_assign/grading_navigation",["jquery","core/notification","core/str","core/form-autocomplete","core/ajax","mod_assign/grading_form_change_checker"],function(a,b,c,d,e,f){var g=function(e){this._regionSelector=e;this._region=a(e);this._filters=[];this._users=[];this._filteredUsers=[];this._lastXofYUpdate=0;this._firstLoadUsers=!0;this._loadAllUsers();this._region.find("[data-action=\"previous-user\"]").on("click",this._handlePreviousUser.bind(this));this._region.find("[data-action=\"next-user\"]").on("click",this._handleNextUser.bind(this));this._region.find("[data-action=\"change-user\"]").on("change",this._handleChangeUser.bind(this));this._region.find("[data-region=\"user-filters\"]").on("click",this._toggleExpandFilters.bind(this));a(document).on("user-changed",this._refreshSelector.bind(this));a(document).on("done-saving-show-next",this._handleNextUser.bind(this));var f=this._region.find("[data-region=\"user-filters\"]"),g=a(document.getElementById(f.attr("aria-controls")));g.on("change","select",this._filterChanged.bind(this));var h=a("[data-region=\"grading-navigation-panel\"]").data("first-userid");if(h){this._selectUserById(h)}c.get_string("changeuser","mod_assign").done(function(a){d.enhance("[data-action=change-user]",!1,"mod_assign/participant_selector",a)}).fail(b.exception);a(document).bind("start-loading-user",function(){this._isLoading=!0}.bind(this));a(document).bind("finish-loading-user",function(){this._isLoading=!1}.bind(this))};g.prototype._isLoading=!1;g.prototype._regionSelector=null;g.prototype._filters=null;g.prototype._users=null;g.prototype._region=null;g.prototype._lastFilters="";g.prototype._loadAllUsers=function(){var a=this._region.find("[data-action=change-user]"),c=a.attr("data-assignmentid"),d=a.attr("data-groupid"),f=this._region.find("[data-region=\"configure-filters\"]"),g=f.find("select[name=\"filter\"]").val(),h=f.find("select[name=\"workflowfilter\"]");if(h){g+=","+h.val()}var i=f.find("select[name=\"markerfilter\"]");if(i){g+=","+i.val()}if(this._lastFilters==g){return!1}this._lastFilters=g;e.call([{methodname:"mod_assign_list_participants",args:{assignid:c,groupid:d,filter:"",onlyids:!0,tablesort:!0},done:this._usersLoaded.bind(this),fail:b.exception}]);return!0};g.prototype._usersLoaded=function(b){this._firstLoadUsers=!1;this._filteredUsers=this._users=b;if(this._users.length){var c=this._region.find("[data-region=\"user-filters\"]"),d=a(document.getElementById(c.attr("aria-controls")));d.find("select[name=\"filter\"]").trigger("change")}else{this._selectNoUser()}this._triggerNextUserEvent()};g.prototype._checkClickOutsideConfigureFilters=function(b){var c=this._region.find("[data-region=\"configure-filters\"]");if(!c.is(b.target)&&0===c.has(b.target).length){var d=this._region.find("[data-region=\"user-filters\"]");c.hide();c.attr("aria-hidden","true");d.attr("aria-expanded","false");a(document).unbind("click.mod_assign_grading_navigation")}};g.prototype._updateFilterPreferences=function(b,c,d){var f=[],g=0;if(0==c.length||this._firstLoadUsers){var h=a.Deferred();h.resolve();return h}for(g=0;g<c.length;g++){var j=c[g];if("none"==j){j=""}f.push({userid:b,name:d[g],value:j})}return e.call([{methodname:"core_user_set_user_preferences",args:{preferences:f}}])[0]};g.prototype._filterChanged=function(){var d=this._region.find("[data-region=\"configure-filters\"]"),e=d.find("select"),f=[];this._filters=[];e.each(function(b,c){var d=a(c);this._filters.push(d.val());f.push("assign_"+d.prop("name"))}.bind(this));var g=[];d.find("option:checked").each(function(b,c){g[g.length]=a(c).text()});if(g.length){this._region.find("[data-region=\"user-filters\"] span").text(g.join(", "))}else{c.get_string("nofilters","mod_assign").done(function(a){this._region.find("[data-region=\"user-filters\"] span").text(a)}.bind(this)).fail(b.exception)}var h=this._region.find("[data-action=change-user]"),i=h.data("currentuserid");this._updateFilterPreferences(i,this._filters,f).done(function(){if(!this._loadAllUsers()){var b=parseInt(h.attr("data-selected")),c=0;a.each(this._filteredUsers,function(a,d){if(b==d.id){c=a}});if(this._filteredUsers.length){this._selectUserById(this._filteredUsers[c].id)}else{this._selectNoUser()}}}.bind(this)).fail(b.exception);this._refreshCount()};g.prototype._selectNoUser=function(){if(this._isLoading){return}if(f.checkFormForChanges("[data-region=\"grade-panel\"] .gradeform")){c.get_strings([{key:"unsavedchanges",component:"mod_assign"},{key:"unsavedchangesquestion",component:"mod_assign"},{key:"saveandcontinue",component:"mod_assign"},{key:"cancel",component:"core"}]).done(function(c){b.confirm(c[0],c[1],c[2],c[3],function(){a(document).trigger("save-changes",-1)})})}else{a(document).trigger("user-changed",-1)}};g.prototype._selectUserById=function(d){var e=this._region.find("[data-action=change-user]"),g=parseInt(d,10);if(this._isLoading){return}if(f.checkFormForChanges("[data-region=\"grade-panel\"] .gradeform")){c.get_strings([{key:"unsavedchanges",component:"mod_assign"},{key:"unsavedchangesquestion",component:"mod_assign"},{key:"saveandcontinue",component:"mod_assign"},{key:"cancel",component:"core"}]).done(function(c){b.confirm(c[0],c[1],c[2],c[3],function(){a(document).trigger("save-changes",g)})})}else{e.attr("data-selected",d);if(!isNaN(g)&&0<g){a(document).trigger("user-changed",d)}}};g.prototype._toggleExpandFilters=function(b){b.preventDefault();var c=a(b.target).closest("[data-region=\"user-filters\"]"),d="true"==c.attr("aria-expanded"),e=a(document.getElementById(c.attr("aria-controls")));if(d){e.hide();e.attr("aria-hidden","true");c.attr("aria-expanded","false");a(document).unbind("click.mod_assign_grading_navigation")}else{e.css("display","inline-block");e.attr("aria-hidden","false");c.attr("aria-expanded","true");b.stopPropagation();a(document).on("click.mod_assign_grading_navigation",this._checkClickOutsideConfigureFilters.bind(this))}};g.prototype._handlePreviousUser=function(a){a.preventDefault();var b=this._region.find("[data-action=change-user]"),c=b.attr("data-selected"),d=0,e=0;for(d=0;d<this._filteredUsers.length;d++){if(this._filteredUsers[d].id==c){e=d;break}}var f=this._filteredUsers.length,g=e-1;if(0>g){g=f-1}if(f){this._selectUserById(this._filteredUsers[g].id)}};g.prototype._handleNextUser=function(b,c){b.preventDefault();var d=this._region.find("[data-action=change-user]"),e=d.attr("data-selected"),f=0,g=0;for(f=0;f<this._filteredUsers.length;f++){if(this._filteredUsers[f].id==e){g=f;break}}var h=this._filteredUsers.length,j=(g+1)%h;if(c&&h){var k=this._filteredUsers[j].id,l=parseInt(k,10);d.attr("data-selected",k);if(!isNaN(l)&&0<l){a(document).trigger("user-changed",k)}}else if(h){this._selectUserById(this._filteredUsers[j].id)}};g.prototype._setCountString=function(a,d){var e=0;this._lastXofYUpdate++;e=this._lastXofYUpdate;c.get_string("xofy","mod_assign",{x:a,y:d}).done(function(a){if(e==this._lastXofYUpdate){this._region.find("[data-region=\"user-count-summary\"]").text(a)}}.bind(this)).fail(b.exception)};g.prototype._refreshCount=function(){var a=this._region.find("[data-action=change-user]"),b=a.attr("data-selected"),c=0,d=0;if(isNaN(b)||0>=b){this._region.find("[data-region=\"user-count\"]").hide()}else{this._region.find("[data-region=\"user-count\"]").show();for(c=0;c<this._filteredUsers.length;c++){if(this._filteredUsers[c].id==b){d=c;break}}var e=this._filteredUsers.length;if(e){d+=1}this._setCountString(d,e);if(0<d){var f=new URL(window.location);if(0<parseInt(f.searchParams.get("blindid"))){var g=this._filteredUsers[d-1].recordid;f.searchParams.set("blindid",g)}else{f.searchParams.set("userid",b)}window.history.replaceState({},"",f)}}};g.prototype._refreshSelector=function(a,b){var c=this._region.find("[data-action=change-user]");b=parseInt(b,10);if(!isNaN(b)&&0<b){c.attr("data-selected",b)}this._refreshCount()};g.prototype._triggerNextUserEvent=function(){if(1<this._filteredUsers.length){a(document).trigger("next-user",{nextUserId:null,nextUser:!0})}else{a(document).trigger("next-user",{nextUser:!1})}};g.prototype._handleChangeUser=function(){var d=this._region.find("[data-action=change-user]"),e=parseInt(d.val(),10);if(this._isLoading){return}if(f.checkFormForChanges("[data-region=\"grade-panel\"] .gradeform")){c.get_strings([{key:"unsavedchanges",component:"mod_assign"},{key:"unsavedchangesquestion",component:"mod_assign"},{key:"saveandcontinue",component:"mod_assign"},{key:"cancel",component:"core"}]).done(function(c){b.confirm(c[0],c[1],c[2],c[3],function(){a(document).trigger("save-changes",e)})})}else{if(!isNaN(e)&&0<e){d.attr("data-selected",e);a(document).trigger("user-changed",e)}}};return g});
-//# sourceMappingURL=grading_navigation.min.js.map
+/**
+ * Javascript to handle changing users via the user selector in the header.
+ *
+ * @module     mod_assign/grading_navigation
+ * @package    mod_assign
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_assign/grading_navigation",["jquery","core/notification","core/str","core/form-autocomplete","core/ajax","mod_assign/grading_form_change_checker"],(function($,notification,str,autocomplete,ajax,checker){var GradingNavigation=function(selector){this._regionSelector=selector,this._region=$(selector),this._filters=[],this._users=[],this._filteredUsers=[],this._lastXofYUpdate=0,this._firstLoadUsers=!0,this._loadAllUsers(),this._region.find('[data-action="previous-user"]').on("click",this._handlePreviousUser.bind(this)),this._region.find('[data-action="next-user"]').on("click",this._handleNextUser.bind(this)),this._region.find('[data-action="change-user"]').on("change",this._handleChangeUser.bind(this)),this._region.find('[data-region="user-filters"]').on("click",this._toggleExpandFilters.bind(this)),$(document).on("user-changed",this._refreshSelector.bind(this)),$(document).on("done-saving-show-next",this._handleNextUser.bind(this));var toggleLink=this._region.find('[data-region="user-filters"]');$(document.getElementById(toggleLink.attr("aria-controls"))).on("change","select",this._filterChanged.bind(this));var userid=$('[data-region="grading-navigation-panel"]').data("first-userid");userid&&this._selectUserById(userid),str.get_string("changeuser","mod_assign").done((function(s){autocomplete.enhance("[data-action=change-user]",!1,"mod_assign/participant_selector",s)})).fail(notification.exception),$(document).bind("start-loading-user",function(){this._isLoading=!0}.bind(this)),$(document).bind("finish-loading-user",function(){this._isLoading=!1}.bind(this))};return GradingNavigation.prototype._isLoading=!1,GradingNavigation.prototype._regionSelector=null,GradingNavigation.prototype._filters=null,GradingNavigation.prototype._users=null,GradingNavigation.prototype._region=null,GradingNavigation.prototype._lastFilters="",GradingNavigation.prototype._loadAllUsers=function(){var select=this._region.find("[data-action=change-user]"),assignmentid=select.attr("data-assignmentid"),groupid=select.attr("data-groupid"),filterPanel=this._region.find('[data-region="configure-filters"]'),filter=filterPanel.find('select[name="filter"]').val(),workflowFilter=filterPanel.find('select[name="workflowfilter"]');workflowFilter&&(filter+=","+workflowFilter.val());var markerFilter=filterPanel.find('select[name="markerfilter"]');return markerFilter&&(filter+=","+markerFilter.val()),this._lastFilters!=filter&&(this._lastFilters=filter,ajax.call([{methodname:"mod_assign_list_participants",args:{assignid:assignmentid,groupid:groupid,filter:"",onlyids:!0,tablesort:!0},done:this._usersLoaded.bind(this),fail:notification.exception}]),!0)},GradingNavigation.prototype._usersLoaded=function(users){if(this._firstLoadUsers=!1,this._filteredUsers=this._users=users,this._users.length){var toggleLink=this._region.find('[data-region="user-filters"]');$(document.getElementById(toggleLink.attr("aria-controls"))).find('select[name="filter"]').trigger("change")}else this._selectNoUser();this._triggerNextUserEvent()},GradingNavigation.prototype._checkClickOutsideConfigureFilters=function(event){var configPanel=this._region.find('[data-region="configure-filters"]');if(!configPanel.is(event.target)&&0===configPanel.has(event.target).length){var toggleLink=this._region.find('[data-region="user-filters"]');configPanel.hide(),configPanel.attr("aria-hidden","true"),toggleLink.attr("aria-expanded","false"),$(document).unbind("click.mod_assign_grading_navigation")}},GradingNavigation.prototype._updateFilterPreferences=function(userId,filterList,preferenceNames){var preferences=[],i=0;if(0==filterList.length||this._firstLoadUsers){var deferred=$.Deferred();return deferred.resolve(),deferred}for(i=0;i<filterList.length;i++){var newValue=filterList[i];"none"==newValue&&(newValue=""),preferences.push({userid:userId,name:preferenceNames[i],value:newValue})}return ajax.call([{methodname:"core_user_set_user_preferences",args:{preferences:preferences}}])[0]},GradingNavigation.prototype._filterChanged=function(){var filterPanel=this._region.find('[data-region="configure-filters"]'),filters=filterPanel.find("select"),preferenceNames=[];this._filters=[],filters.each(function(idx,ele){var element=$(ele);this._filters.push(element.val()),preferenceNames.push("assign_"+element.prop("name"))}.bind(this));var filterlist=[];filterPanel.find("option:checked").each((function(idx,ele){filterlist[filterlist.length]=$(ele).text()})),filterlist.length?this._region.find('[data-region="user-filters"] span').text(filterlist.join(", ")):str.get_string("nofilters","mod_assign").done(function(s){this._region.find('[data-region="user-filters"] span').text(s)}.bind(this)).fail(notification.exception);var select=this._region.find("[data-action=change-user]"),currentUserID=select.data("currentuserid");this._updateFilterPreferences(currentUserID,this._filters,preferenceNames).done(function(){if(!this._loadAllUsers()){var userid=parseInt(select.attr("data-selected")),foundIndex=0;$.each(this._filteredUsers,(function(index,user){userid==user.id&&(foundIndex=index)})),this._filteredUsers.length?this._selectUserById(this._filteredUsers[foundIndex].id):this._selectNoUser()}}.bind(this)).fail(notification.exception),this._refreshCount()},GradingNavigation.prototype._selectNoUser=function(){this._isLoading||(checker.checkFormForChanges('[data-region="grade-panel"] .gradeform')?str.get_strings([{key:"unsavedchanges",component:"mod_assign"},{key:"unsavedchangesquestion",component:"mod_assign"},{key:"saveandcontinue",component:"mod_assign"},{key:"cancel",component:"core"}]).done((function(strs){notification.confirm(strs[0],strs[1],strs[2],strs[3],(function(){$(document).trigger("save-changes",-1)}))})):$(document).trigger("user-changed",-1))},GradingNavigation.prototype._selectUserById=function(userid){var select=this._region.find("[data-action=change-user]"),useridnumber=parseInt(userid,10);this._isLoading||(checker.checkFormForChanges('[data-region="grade-panel"] .gradeform')?str.get_strings([{key:"unsavedchanges",component:"mod_assign"},{key:"unsavedchangesquestion",component:"mod_assign"},{key:"saveandcontinue",component:"mod_assign"},{key:"cancel",component:"core"}]).done((function(strs){notification.confirm(strs[0],strs[1],strs[2],strs[3],(function(){$(document).trigger("save-changes",useridnumber)}))})):(select.attr("data-selected",userid),!isNaN(useridnumber)&&useridnumber>0&&$(document).trigger("user-changed",userid)))},GradingNavigation.prototype._toggleExpandFilters=function(event){event.preventDefault();var toggleLink=$(event.target).closest('[data-region="user-filters"]'),expanded="true"==toggleLink.attr("aria-expanded"),configPanel=$(document.getElementById(toggleLink.attr("aria-controls")));expanded?(configPanel.hide(),configPanel.attr("aria-hidden","true"),toggleLink.attr("aria-expanded","false"),$(document).unbind("click.mod_assign_grading_navigation")):(configPanel.css("display","inline-block"),configPanel.attr("aria-hidden","false"),toggleLink.attr("aria-expanded","true"),event.stopPropagation(),$(document).on("click.mod_assign_grading_navigation",this._checkClickOutsideConfigureFilters.bind(this)))},GradingNavigation.prototype._handlePreviousUser=function(e){e.preventDefault();var currentUserId=this._region.find("[data-action=change-user]").attr("data-selected"),i=0,currentIndex=0;for(i=0;i<this._filteredUsers.length;i++)if(this._filteredUsers[i].id==currentUserId){currentIndex=i;break}var count=this._filteredUsers.length,newIndex=currentIndex-1;newIndex<0&&(newIndex=count-1),count&&this._selectUserById(this._filteredUsers[newIndex].id)},GradingNavigation.prototype._handleNextUser=function(e,saved){e.preventDefault();var select=this._region.find("[data-action=change-user]"),currentUserId=select.attr("data-selected"),i=0,currentIndex=0;for(i=0;i<this._filteredUsers.length;i++)if(this._filteredUsers[i].id==currentUserId){currentIndex=i;break}var count=this._filteredUsers.length,newIndex=(currentIndex+1)%count;if(saved&&count){var userid=this._filteredUsers[newIndex].id,useridnumber=parseInt(userid,10);select.attr("data-selected",userid),!isNaN(useridnumber)&&useridnumber>0&&$(document).trigger("user-changed",userid)}else count&&this._selectUserById(this._filteredUsers[newIndex].id)},GradingNavigation.prototype._setCountString=function(x,y){var updateNumber;this._lastXofYUpdate++,updateNumber=this._lastXofYUpdate;var param={x:x,y:y};str.get_string("xofy","mod_assign",param).done(function(s){updateNumber==this._lastXofYUpdate&&this._region.find('[data-region="user-count-summary"]').text(s)}.bind(this)).fail(notification.exception)},GradingNavigation.prototype._refreshCount=function(){var userid=this._region.find("[data-action=change-user]").attr("data-selected"),i=0,currentIndex=0;if(isNaN(userid)||userid<=0)this._region.find('[data-region="user-count"]').hide();else{for(this._region.find('[data-region="user-count"]').show(),i=0;i<this._filteredUsers.length;i++)if(this._filteredUsers[i].id==userid){currentIndex=i;break}var count=this._filteredUsers.length;if(count&&(currentIndex+=1),this._setCountString(currentIndex,count),currentIndex>0){var url=new URL(window.location);if(parseInt(url.searchParams.get("blindid"))>0){var newid=this._filteredUsers[currentIndex-1].recordid;url.searchParams.set("blindid",newid)}else url.searchParams.set("userid",userid);window.history.replaceState({},"",url)}}},GradingNavigation.prototype._refreshSelector=function(event,userid){var select=this._region.find("[data-action=change-user]");userid=parseInt(userid,10),!isNaN(userid)&&userid>0&&select.attr("data-selected",userid),this._refreshCount()},GradingNavigation.prototype._triggerNextUserEvent=function(){this._filteredUsers.length>1?$(document).trigger("next-user",{nextUserId:null,nextUser:!0}):$(document).trigger("next-user",{nextUser:!1})},GradingNavigation.prototype._handleChangeUser=function(){var select=this._region.find("[data-action=change-user]"),userid=parseInt(select.val(),10);this._isLoading||(checker.checkFormForChanges('[data-region="grade-panel"] .gradeform')?str.get_strings([{key:"unsavedchanges",component:"mod_assign"},{key:"unsavedchangesquestion",component:"mod_assign"},{key:"saveandcontinue",component:"mod_assign"},{key:"cancel",component:"core"}]).done((function(strs){notification.confirm(strs[0],strs[1],strs[2],strs[3],(function(){$(document).trigger("save-changes",userid)}))})):!isNaN(userid)&&userid>0&&(select.attr("data-selected",userid),$(document).trigger("user-changed",userid)))},GradingNavigation}));
+
+//# sourceMappingURL=grading_navigation.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_navigation.min.js.map b/mod/assign/amd/build/grading_navigation.min.js.map
index 798e3244453..cd2da407a96 100644
--- a/mod/assign/amd/build/grading_navigation.min.js.map
+++ b/mod/assign/amd/build/grading_navigation.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to handle changing users via the user selector in the header.\n *\n * @module     mod_assign/grading_navigation\n * @package    mod_assign\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/notification', 'core/str', 'core/form-autocomplete',\n        'core/ajax', 'mod_assign/grading_form_change_checker'],\n       function($, notification, str, autocomplete, ajax, checker) {\n\n    /**\n     * GradingNavigation class.\n     *\n     * @class GradingNavigation\n     * @param {String} selector The selector for the page region containing the user navigation.\n     */\n    var GradingNavigation = function(selector) {\n        this._regionSelector = selector;\n        this._region = $(selector);\n        this._filters = [];\n        this._users = [];\n        this._filteredUsers = [];\n        this._lastXofYUpdate = 0;\n        this._firstLoadUsers = true;\n\n        // Get the current user list from a webservice.\n        this._loadAllUsers();\n\n        // We do not allow navigation while ajax requests are pending.\n        // Attach listeners to the select and arrow buttons.\n\n        this._region.find('[data-action=\"previous-user\"]').on('click', this._handlePreviousUser.bind(this));\n        this._region.find('[data-action=\"next-user\"]').on('click', this._handleNextUser.bind(this));\n        this._region.find('[data-action=\"change-user\"]').on('change', this._handleChangeUser.bind(this));\n        this._region.find('[data-region=\"user-filters\"]').on('click', this._toggleExpandFilters.bind(this));\n\n        $(document).on('user-changed', this._refreshSelector.bind(this));\n        $(document).on('done-saving-show-next', this._handleNextUser.bind(this));\n\n        // Position the configure filters panel under the link that expands it.\n        var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n        var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n        configPanel.on('change', 'select', this._filterChanged.bind(this));\n\n        var userid = $('[data-region=\"grading-navigation-panel\"]').data('first-userid');\n        if (userid) {\n            this._selectUserById(userid);\n        }\n\n        str.get_string('changeuser', 'mod_assign').done(function(s) {\n                autocomplete.enhance('[data-action=change-user]', false, 'mod_assign/participant_selector', s);\n            }\n        ).fail(notification.exception);\n\n        $(document).bind(\"start-loading-user\", function() {\n            this._isLoading = true;\n        }.bind(this));\n        $(document).bind(\"finish-loading-user\", function() {\n            this._isLoading = false;\n        }.bind(this));\n    };\n\n    /** @type {Boolean} Boolean tracking active ajax requests. */\n    GradingNavigation.prototype._isLoading = false;\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    GradingNavigation.prototype._regionSelector = null;\n\n    /** @type {Array} The list of active filter keys */\n    GradingNavigation.prototype._filters = null;\n\n    /** @type {Array} The list of users */\n    GradingNavigation.prototype._users = null;\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    GradingNavigation.prototype._region = null;\n\n    /** @type {String} Last active filters */\n    GradingNavigation.prototype._lastFilters = '';\n\n    /**\n     * Load the list of all users for this assignment.\n     *\n     * @private\n     * @method _loadAllUsers\n     * @return {Boolean} True if the user list was fetched.\n     */\n    GradingNavigation.prototype._loadAllUsers = function() {\n        var select = this._region.find('[data-action=change-user]');\n        var assignmentid = select.attr('data-assignmentid');\n        var groupid = select.attr('data-groupid');\n\n        var filterPanel = this._region.find('[data-region=\"configure-filters\"]');\n        var filter = filterPanel.find('select[name=\"filter\"]').val();\n        var workflowFilter = filterPanel.find('select[name=\"workflowfilter\"]');\n        if (workflowFilter) {\n            filter += ',' + workflowFilter.val();\n        }\n        var markerFilter = filterPanel.find('select[name=\"markerfilter\"]');\n        if (markerFilter) {\n            filter += ',' + markerFilter.val();\n        }\n\n        if (this._lastFilters == filter) {\n            return false;\n        }\n        this._lastFilters = filter;\n\n        ajax.call([{\n            methodname: 'mod_assign_list_participants',\n            args: {assignid: assignmentid, groupid: groupid, filter: '', onlyids: true, tablesort: true},\n            done: this._usersLoaded.bind(this),\n            fail: notification.exception\n        }]);\n        return true;\n    };\n\n    /**\n     * Call back to rebuild the user selector and x of y info when the user list is updated.\n     *\n     * @private\n     * @method _usersLoaded\n     * @param {Array} users\n     */\n    GradingNavigation.prototype._usersLoaded = function(users) {\n        this._firstLoadUsers = false;\n        this._filteredUsers = this._users = users;\n        if (this._users.length) {\n            // Position the configure filters panel under the link that expands it.\n            var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n            var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n            configPanel.find('select[name=\"filter\"]').trigger('change');\n        } else {\n            this._selectNoUser();\n        }\n        this._triggerNextUserEvent();\n    };\n\n    /**\n     * Close the configure filters panel if a click is detected outside of it.\n     *\n     * @private\n     * @method _checkClickOutsideConfigureFilters\n     * @param {Event} event\n     */\n    GradingNavigation.prototype._checkClickOutsideConfigureFilters = function(event) {\n        var configPanel = this._region.find('[data-region=\"configure-filters\"]');\n\n        if (!configPanel.is(event.target) && configPanel.has(event.target).length === 0) {\n            var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n\n            configPanel.hide();\n            configPanel.attr('aria-hidden', 'true');\n            toggleLink.attr('aria-expanded', 'false');\n            $(document).unbind('click.mod_assign_grading_navigation');\n        }\n    };\n\n    /**\n     * Close the configure filters panel if a click is detected outside of it.\n     *\n     * @private\n     * @method _updateFilterPreference\n     * @param {Number} userId The current user id.\n     * @param {Array} filterList The list of current filter values.\n     * @param {Array} preferenceNames The names of the preferences to update\n     * @return {Promise} Resolved when all the preferences are updated.\n     */\n    GradingNavigation.prototype._updateFilterPreferences = function(userId, filterList, preferenceNames) {\n        var preferences = [],\n            i = 0;\n\n        if (filterList.length == 0 || this._firstLoadUsers) {\n            // Nothing to update.\n            var deferred = $.Deferred();\n            deferred.resolve();\n            return deferred;\n        }\n        // General filter.\n        // Set the user preferences to the current filters.\n        for (i = 0; i < filterList.length; i++) {\n            var newValue = filterList[i];\n            if (newValue == 'none') {\n                newValue = '';\n            }\n\n            preferences.push({\n                userid: userId,\n                name: preferenceNames[i],\n                value: newValue\n            });\n        }\n\n        return ajax.call([{\n            methodname: 'core_user_set_user_preferences',\n            args: {\n                preferences: preferences\n            }\n        }])[0];\n    };\n    /**\n     * Turn a filter on or off.\n     *\n     * @private\n     * @method _filterChanged\n     * @param {Event} event\n     */\n    GradingNavigation.prototype._filterChanged = function() {\n        // There are 3 types of filter right now.\n        var filterPanel = this._region.find('[data-region=\"configure-filters\"]');\n        var filters = filterPanel.find('select');\n        var preferenceNames = [];\n\n        this._filters = [];\n        filters.each(function(idx, ele) {\n            var element = $(ele);\n            this._filters.push(element.val());\n            preferenceNames.push('assign_' + element.prop('name'));\n        }.bind(this));\n\n        // Update the active filter string.\n        var filterlist = [];\n        filterPanel.find('option:checked').each(function(idx, ele) {\n            filterlist[filterlist.length] = $(ele).text();\n        });\n        if (filterlist.length) {\n            this._region.find('[data-region=\"user-filters\"] span').text(filterlist.join(', '));\n        } else {\n            str.get_string('nofilters', 'mod_assign').done(function(s) {\n                this._region.find('[data-region=\"user-filters\"] span').text(s);\n            }.bind(this)).fail(notification.exception);\n        }\n\n        var select = this._region.find('[data-action=change-user]');\n        var currentUserID = select.data('currentuserid');\n        this._updateFilterPreferences(currentUserID, this._filters, preferenceNames).done(function() {\n            // Reload the list of users to apply the new filters.\n            if (!this._loadAllUsers()) {\n                var userid = parseInt(select.attr('data-selected'));\n                var foundIndex = 0;\n                // Search the returned users for the current selection.\n                $.each(this._filteredUsers, function(index, user) {\n                    if (userid == user.id) {\n                        foundIndex = index;\n                    }\n                });\n\n                if (this._filteredUsers.length) {\n                    this._selectUserById(this._filteredUsers[foundIndex].id);\n                } else {\n                    this._selectNoUser();\n                }\n\n            }\n        }.bind(this)).fail(notification.exception);\n        this._refreshCount();\n    };\n\n    /**\n     * Select no users, because no users match the filters.\n     *\n     * @private\n     * @method _selectNoUser\n     */\n    GradingNavigation.prototype._selectNoUser = function() {\n        // Detect unsaved changes, and offer to save them - otherwise change user right now.\n        if (this._isLoading) {\n            return;\n        }\n        if (checker.checkFormForChanges('[data-region=\"grade-panel\"] .gradeform')) {\n            // Form has changes, so we need to confirm before switching users.\n            str.get_strings([\n                {key: 'unsavedchanges', component: 'mod_assign'},\n                {key: 'unsavedchangesquestion', component: 'mod_assign'},\n                {key: 'saveandcontinue', component: 'mod_assign'},\n                {key: 'cancel', component: 'core'},\n            ]).done(function(strs) {\n                notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                    $(document).trigger('save-changes', -1);\n                });\n            });\n        } else {\n            $(document).trigger('user-changed', -1);\n        }\n    };\n\n    /**\n     * Select the specified user by id.\n     *\n     * @private\n     * @method _selectUserById\n     * @param {Number} userid\n     */\n    GradingNavigation.prototype._selectUserById = function(userid) {\n        var select = this._region.find('[data-action=change-user]');\n        var useridnumber = parseInt(userid, 10);\n\n        // Detect unsaved changes, and offer to save them - otherwise change user right now.\n        if (this._isLoading) {\n            return;\n        }\n        if (checker.checkFormForChanges('[data-region=\"grade-panel\"] .gradeform')) {\n            // Form has changes, so we need to confirm before switching users.\n            str.get_strings([\n                {key: 'unsavedchanges', component: 'mod_assign'},\n                {key: 'unsavedchangesquestion', component: 'mod_assign'},\n                {key: 'saveandcontinue', component: 'mod_assign'},\n                {key: 'cancel', component: 'core'},\n            ]).done(function(strs) {\n                notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                    $(document).trigger('save-changes', useridnumber);\n                });\n            });\n        } else {\n            select.attr('data-selected', userid);\n\n            if (!isNaN(useridnumber) && useridnumber > 0) {\n                $(document).trigger('user-changed', userid);\n            }\n        }\n    };\n\n    /**\n     * Expand or collapse the filter config panel.\n     *\n     * @private\n     * @method _toggleExpandFilters\n     * @param {Event} event\n     */\n    GradingNavigation.prototype._toggleExpandFilters = function(event) {\n        event.preventDefault();\n        var toggleLink = $(event.target).closest('[data-region=\"user-filters\"]');\n        var expanded = toggleLink.attr('aria-expanded') == 'true';\n        var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n        if (expanded) {\n            configPanel.hide();\n            configPanel.attr('aria-hidden', 'true');\n            toggleLink.attr('aria-expanded', 'false');\n            $(document).unbind('click.mod_assign_grading_navigation');\n        } else {\n            configPanel.css('display', 'inline-block');\n            configPanel.attr('aria-hidden', 'false');\n            toggleLink.attr('aria-expanded', 'true');\n            event.stopPropagation();\n            $(document).on('click.mod_assign_grading_navigation', this._checkClickOutsideConfigureFilters.bind(this));\n        }\n    };\n\n    /**\n     * Change to the previous user in the grading list.\n     *\n     * @private\n     * @method _handlePreviousUser\n     * @param {Event} e\n     */\n    GradingNavigation.prototype._handlePreviousUser = function(e) {\n        e.preventDefault();\n        var select = this._region.find('[data-action=change-user]');\n        var currentUserId = select.attr('data-selected');\n        var i = 0;\n        var currentIndex = 0;\n\n        for (i = 0; i < this._filteredUsers.length; i++) {\n            if (this._filteredUsers[i].id == currentUserId) {\n                currentIndex = i;\n                break;\n            }\n        }\n\n        var count = this._filteredUsers.length;\n        var newIndex = (currentIndex - 1);\n        if (newIndex < 0) {\n            newIndex = count - 1;\n        }\n\n        if (count) {\n            this._selectUserById(this._filteredUsers[newIndex].id);\n        }\n    };\n\n    /**\n     * Change to the next user in the grading list.\n     *\n     * @param {Event} e\n     * @param {Boolean} saved Has the form already been saved? Skips checking for changes if true.\n     */\n    GradingNavigation.prototype._handleNextUser = function(e, saved) {\n        e.preventDefault();\n        var select = this._region.find('[data-action=change-user]');\n        var currentUserId = select.attr('data-selected');\n        var i = 0;\n        var currentIndex = 0;\n\n        for (i = 0; i < this._filteredUsers.length; i++) {\n            if (this._filteredUsers[i].id == currentUserId) {\n                currentIndex = i;\n                break;\n            }\n        }\n\n        var count = this._filteredUsers.length;\n        var newIndex = (currentIndex + 1) % count;\n\n        if (saved && count) {\n            // If we've already saved the grade, skip checking if we've made any changes.\n            var userid = this._filteredUsers[newIndex].id;\n            var useridnumber = parseInt(userid, 10);\n            select.attr('data-selected', userid);\n            if (!isNaN(useridnumber) && useridnumber > 0) {\n                $(document).trigger('user-changed', userid);\n            }\n        } else if (count) {\n            this._selectUserById(this._filteredUsers[newIndex].id);\n        }\n    };\n\n    /**\n     * Set count string. This method only sets the value for the last time it was ever called to deal\n     * with promises that return in a non-predictable order.\n     *\n     * @private\n     * @method _setCountString\n     * @param {Number} x\n     * @param {Number} y\n     */\n    GradingNavigation.prototype._setCountString = function(x, y) {\n        var updateNumber = 0;\n        this._lastXofYUpdate++;\n        updateNumber = this._lastXofYUpdate;\n\n        var param = {x: x, y: y};\n        str.get_string('xofy', 'mod_assign', param).done(function(s) {\n            if (updateNumber == this._lastXofYUpdate) {\n                this._region.find('[data-region=\"user-count-summary\"]').text(s);\n            }\n        }.bind(this)).fail(notification.exception);\n    };\n\n    /**\n     * Rebuild the x of y string.\n     *\n     * @private\n     * @method _refreshCount\n     */\n    GradingNavigation.prototype._refreshCount = function() {\n        var select = this._region.find('[data-action=change-user]');\n        var userid = select.attr('data-selected');\n        var i = 0;\n        var currentIndex = 0;\n\n        if (isNaN(userid) || userid <= 0) {\n            this._region.find('[data-region=\"user-count\"]').hide();\n        } else {\n            this._region.find('[data-region=\"user-count\"]').show();\n\n            for (i = 0; i < this._filteredUsers.length; i++) {\n                if (this._filteredUsers[i].id == userid) {\n                    currentIndex = i;\n                    break;\n                }\n            }\n            var count = this._filteredUsers.length;\n            if (count) {\n                currentIndex += 1;\n            }\n            this._setCountString(currentIndex, count);\n            // Update window URL\n            if (currentIndex > 0) {\n                var url = new URL(window.location);\n                if (parseInt(url.searchParams.get('blindid')) > 0) {\n                    var newid = this._filteredUsers[currentIndex - 1].recordid;\n                    url.searchParams.set('blindid', newid);\n                } else {\n                    url.searchParams.set('userid', userid);\n                }\n                // We do this so a browser refresh will return to the same user.\n                window.history.replaceState({}, \"\", url);\n            }\n        }\n    };\n\n    /**\n     * Respond to a user-changed event by updating the selector.\n     *\n     * @private\n     * @method _refreshSelector\n     * @param {Event} event\n     * @param {String} userid\n     */\n    GradingNavigation.prototype._refreshSelector = function(event, userid) {\n        var select = this._region.find('[data-action=change-user]');\n        userid = parseInt(userid, 10);\n\n        if (!isNaN(userid) && userid > 0) {\n            select.attr('data-selected', userid);\n        }\n        this._refreshCount();\n    };\n\n    /**\n     * Trigger the next user event depending on the number of filtered users\n     *\n     * @private\n     * @method _triggerNextUserEvent\n     */\n    GradingNavigation.prototype._triggerNextUserEvent = function() {\n        if (this._filteredUsers.length > 1) {\n            $(document).trigger('next-user', {nextUserId: null, nextUser: true});\n        } else {\n            $(document).trigger('next-user', {nextUser: false});\n        }\n    };\n\n    /**\n     * Change to a different user in the grading list.\n     *\n     * @private\n     * @method _handleChangeUser\n     * @param {Event} event\n     */\n    GradingNavigation.prototype._handleChangeUser = function() {\n        var select = this._region.find('[data-action=change-user]');\n        var userid = parseInt(select.val(), 10);\n\n        if (this._isLoading) {\n            return;\n        }\n        if (checker.checkFormForChanges('[data-region=\"grade-panel\"] .gradeform')) {\n            // Form has changes, so we need to confirm before switching users.\n            str.get_strings([\n                {key: 'unsavedchanges', component: 'mod_assign'},\n                {key: 'unsavedchangesquestion', component: 'mod_assign'},\n                {key: 'saveandcontinue', component: 'mod_assign'},\n                {key: 'cancel', component: 'core'},\n            ]).done(function(strs) {\n                notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                    $(document).trigger('save-changes', userid);\n                });\n            });\n        } else {\n            if (!isNaN(userid) && userid > 0) {\n                select.attr('data-selected', userid);\n\n                $(document).trigger('user-changed', userid);\n            }\n        }\n    };\n\n    return GradingNavigation;\n});\n"],"file":"grading_navigation.min.js"}
\ No newline at end of file
+{"version":3,"file":"grading_navigation.min.js","sources":["../src/grading_navigation.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to handle changing users via the user selector in the header.\n *\n * @module     mod_assign/grading_navigation\n * @package    mod_assign\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/notification', 'core/str', 'core/form-autocomplete',\n        'core/ajax', 'mod_assign/grading_form_change_checker'],\n       function($, notification, str, autocomplete, ajax, checker) {\n\n    /**\n     * GradingNavigation class.\n     *\n     * @class GradingNavigation\n     * @param {String} selector The selector for the page region containing the user navigation.\n     */\n    var GradingNavigation = function(selector) {\n        this._regionSelector = selector;\n        this._region = $(selector);\n        this._filters = [];\n        this._users = [];\n        this._filteredUsers = [];\n        this._lastXofYUpdate = 0;\n        this._firstLoadUsers = true;\n\n        // Get the current user list from a webservice.\n        this._loadAllUsers();\n\n        // We do not allow navigation while ajax requests are pending.\n        // Attach listeners to the select and arrow buttons.\n\n        this._region.find('[data-action=\"previous-user\"]').on('click', this._handlePreviousUser.bind(this));\n        this._region.find('[data-action=\"next-user\"]').on('click', this._handleNextUser.bind(this));\n        this._region.find('[data-action=\"change-user\"]').on('change', this._handleChangeUser.bind(this));\n        this._region.find('[data-region=\"user-filters\"]').on('click', this._toggleExpandFilters.bind(this));\n\n        $(document).on('user-changed', this._refreshSelector.bind(this));\n        $(document).on('done-saving-show-next', this._handleNextUser.bind(this));\n\n        // Position the configure filters panel under the link that expands it.\n        var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n        var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n        configPanel.on('change', 'select', this._filterChanged.bind(this));\n\n        var userid = $('[data-region=\"grading-navigation-panel\"]').data('first-userid');\n        if (userid) {\n            this._selectUserById(userid);\n        }\n\n        str.get_string('changeuser', 'mod_assign').done(function(s) {\n                autocomplete.enhance('[data-action=change-user]', false, 'mod_assign/participant_selector', s);\n            }\n        ).fail(notification.exception);\n\n        $(document).bind(\"start-loading-user\", function() {\n            this._isLoading = true;\n        }.bind(this));\n        $(document).bind(\"finish-loading-user\", function() {\n            this._isLoading = false;\n        }.bind(this));\n    };\n\n    /** @type {Boolean} Boolean tracking active ajax requests. */\n    GradingNavigation.prototype._isLoading = false;\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    GradingNavigation.prototype._regionSelector = null;\n\n    /** @type {Array} The list of active filter keys */\n    GradingNavigation.prototype._filters = null;\n\n    /** @type {Array} The list of users */\n    GradingNavigation.prototype._users = null;\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    GradingNavigation.prototype._region = null;\n\n    /** @type {String} Last active filters */\n    GradingNavigation.prototype._lastFilters = '';\n\n    /**\n     * Load the list of all users for this assignment.\n     *\n     * @private\n     * @method _loadAllUsers\n     * @return {Boolean} True if the user list was fetched.\n     */\n    GradingNavigation.prototype._loadAllUsers = function() {\n        var select = this._region.find('[data-action=change-user]');\n        var assignmentid = select.attr('data-assignmentid');\n        var groupid = select.attr('data-groupid');\n\n        var filterPanel = this._region.find('[data-region=\"configure-filters\"]');\n        var filter = filterPanel.find('select[name=\"filter\"]').val();\n        var workflowFilter = filterPanel.find('select[name=\"workflowfilter\"]');\n        if (workflowFilter) {\n            filter += ',' + workflowFilter.val();\n        }\n        var markerFilter = filterPanel.find('select[name=\"markerfilter\"]');\n        if (markerFilter) {\n            filter += ',' + markerFilter.val();\n        }\n\n        if (this._lastFilters == filter) {\n            return false;\n        }\n        this._lastFilters = filter;\n\n        ajax.call([{\n            methodname: 'mod_assign_list_participants',\n            args: {assignid: assignmentid, groupid: groupid, filter: '', onlyids: true, tablesort: true},\n            done: this._usersLoaded.bind(this),\n            fail: notification.exception\n        }]);\n        return true;\n    };\n\n    /**\n     * Call back to rebuild the user selector and x of y info when the user list is updated.\n     *\n     * @private\n     * @method _usersLoaded\n     * @param {Array} users\n     */\n    GradingNavigation.prototype._usersLoaded = function(users) {\n        this._firstLoadUsers = false;\n        this._filteredUsers = this._users = users;\n        if (this._users.length) {\n            // Position the configure filters panel under the link that expands it.\n            var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n            var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n            configPanel.find('select[name=\"filter\"]').trigger('change');\n        } else {\n            this._selectNoUser();\n        }\n        this._triggerNextUserEvent();\n    };\n\n    /**\n     * Close the configure filters panel if a click is detected outside of it.\n     *\n     * @private\n     * @method _checkClickOutsideConfigureFilters\n     * @param {Event} event\n     */\n    GradingNavigation.prototype._checkClickOutsideConfigureFilters = function(event) {\n        var configPanel = this._region.find('[data-region=\"configure-filters\"]');\n\n        if (!configPanel.is(event.target) && configPanel.has(event.target).length === 0) {\n            var toggleLink = this._region.find('[data-region=\"user-filters\"]');\n\n            configPanel.hide();\n            configPanel.attr('aria-hidden', 'true');\n            toggleLink.attr('aria-expanded', 'false');\n            $(document).unbind('click.mod_assign_grading_navigation');\n        }\n    };\n\n    /**\n     * Close the configure filters panel if a click is detected outside of it.\n     *\n     * @private\n     * @method _updateFilterPreference\n     * @param {Number} userId The current user id.\n     * @param {Array} filterList The list of current filter values.\n     * @param {Array} preferenceNames The names of the preferences to update\n     * @return {Promise} Resolved when all the preferences are updated.\n     */\n    GradingNavigation.prototype._updateFilterPreferences = function(userId, filterList, preferenceNames) {\n        var preferences = [],\n            i = 0;\n\n        if (filterList.length == 0 || this._firstLoadUsers) {\n            // Nothing to update.\n            var deferred = $.Deferred();\n            deferred.resolve();\n            return deferred;\n        }\n        // General filter.\n        // Set the user preferences to the current filters.\n        for (i = 0; i < filterList.length; i++) {\n            var newValue = filterList[i];\n            if (newValue == 'none') {\n                newValue = '';\n            }\n\n            preferences.push({\n                userid: userId,\n                name: preferenceNames[i],\n                value: newValue\n            });\n        }\n\n        return ajax.call([{\n            methodname: 'core_user_set_user_preferences',\n            args: {\n                preferences: preferences\n            }\n        }])[0];\n    };\n    /**\n     * Turn a filter on or off.\n     *\n     * @private\n     * @method _filterChanged\n     * @param {Event} event\n     */\n    GradingNavigation.prototype._filterChanged = function() {\n        // There are 3 types of filter right now.\n        var filterPanel = this._region.find('[data-region=\"configure-filters\"]');\n        var filters = filterPanel.find('select');\n        var preferenceNames = [];\n\n        this._filters = [];\n        filters.each(function(idx, ele) {\n            var element = $(ele);\n            this._filters.push(element.val());\n            preferenceNames.push('assign_' + element.prop('name'));\n        }.bind(this));\n\n        // Update the active filter string.\n        var filterlist = [];\n        filterPanel.find('option:checked').each(function(idx, ele) {\n            filterlist[filterlist.length] = $(ele).text();\n        });\n        if (filterlist.length) {\n            this._region.find('[data-region=\"user-filters\"] span').text(filterlist.join(', '));\n        } else {\n            str.get_string('nofilters', 'mod_assign').done(function(s) {\n                this._region.find('[data-region=\"user-filters\"] span').text(s);\n            }.bind(this)).fail(notification.exception);\n        }\n\n        var select = this._region.find('[data-action=change-user]');\n        var currentUserID = select.data('currentuserid');\n        this._updateFilterPreferences(currentUserID, this._filters, preferenceNames).done(function() {\n            // Reload the list of users to apply the new filters.\n            if (!this._loadAllUsers()) {\n                var userid = parseInt(select.attr('data-selected'));\n                var foundIndex = 0;\n                // Search the returned users for the current selection.\n                $.each(this._filteredUsers, function(index, user) {\n                    if (userid == user.id) {\n                        foundIndex = index;\n                    }\n                });\n\n                if (this._filteredUsers.length) {\n                    this._selectUserById(this._filteredUsers[foundIndex].id);\n                } else {\n                    this._selectNoUser();\n                }\n\n            }\n        }.bind(this)).fail(notification.exception);\n        this._refreshCount();\n    };\n\n    /**\n     * Select no users, because no users match the filters.\n     *\n     * @private\n     * @method _selectNoUser\n     */\n    GradingNavigation.prototype._selectNoUser = function() {\n        // Detect unsaved changes, and offer to save them - otherwise change user right now.\n        if (this._isLoading) {\n            return;\n        }\n        if (checker.checkFormForChanges('[data-region=\"grade-panel\"] .gradeform')) {\n            // Form has changes, so we need to confirm before switching users.\n            str.get_strings([\n                {key: 'unsavedchanges', component: 'mod_assign'},\n                {key: 'unsavedchangesquestion', component: 'mod_assign'},\n                {key: 'saveandcontinue', component: 'mod_assign'},\n                {key: 'cancel', component: 'core'},\n            ]).done(function(strs) {\n                notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                    $(document).trigger('save-changes', -1);\n                });\n            });\n        } else {\n            $(document).trigger('user-changed', -1);\n        }\n    };\n\n    /**\n     * Select the specified user by id.\n     *\n     * @private\n     * @method _selectUserById\n     * @param {Number} userid\n     */\n    GradingNavigation.prototype._selectUserById = function(userid) {\n        var select = this._region.find('[data-action=change-user]');\n        var useridnumber = parseInt(userid, 10);\n\n        // Detect unsaved changes, and offer to save them - otherwise change user right now.\n        if (this._isLoading) {\n            return;\n        }\n        if (checker.checkFormForChanges('[data-region=\"grade-panel\"] .gradeform')) {\n            // Form has changes, so we need to confirm before switching users.\n            str.get_strings([\n                {key: 'unsavedchanges', component: 'mod_assign'},\n                {key: 'unsavedchangesquestion', component: 'mod_assign'},\n                {key: 'saveandcontinue', component: 'mod_assign'},\n                {key: 'cancel', component: 'core'},\n            ]).done(function(strs) {\n                notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                    $(document).trigger('save-changes', useridnumber);\n                });\n            });\n        } else {\n            select.attr('data-selected', userid);\n\n            if (!isNaN(useridnumber) && useridnumber > 0) {\n                $(document).trigger('user-changed', userid);\n            }\n        }\n    };\n\n    /**\n     * Expand or collapse the filter config panel.\n     *\n     * @private\n     * @method _toggleExpandFilters\n     * @param {Event} event\n     */\n    GradingNavigation.prototype._toggleExpandFilters = function(event) {\n        event.preventDefault();\n        var toggleLink = $(event.target).closest('[data-region=\"user-filters\"]');\n        var expanded = toggleLink.attr('aria-expanded') == 'true';\n        var configPanel = $(document.getElementById(toggleLink.attr('aria-controls')));\n\n        if (expanded) {\n            configPanel.hide();\n            configPanel.attr('aria-hidden', 'true');\n            toggleLink.attr('aria-expanded', 'false');\n            $(document).unbind('click.mod_assign_grading_navigation');\n        } else {\n            configPanel.css('display', 'inline-block');\n            configPanel.attr('aria-hidden', 'false');\n            toggleLink.attr('aria-expanded', 'true');\n            event.stopPropagation();\n            $(document).on('click.mod_assign_grading_navigation', this._checkClickOutsideConfigureFilters.bind(this));\n        }\n    };\n\n    /**\n     * Change to the previous user in the grading list.\n     *\n     * @private\n     * @method _handlePreviousUser\n     * @param {Event} e\n     */\n    GradingNavigation.prototype._handlePreviousUser = function(e) {\n        e.preventDefault();\n        var select = this._region.find('[data-action=change-user]');\n        var currentUserId = select.attr('data-selected');\n        var i = 0;\n        var currentIndex = 0;\n\n        for (i = 0; i < this._filteredUsers.length; i++) {\n            if (this._filteredUsers[i].id == currentUserId) {\n                currentIndex = i;\n                break;\n            }\n        }\n\n        var count = this._filteredUsers.length;\n        var newIndex = (currentIndex - 1);\n        if (newIndex < 0) {\n            newIndex = count - 1;\n        }\n\n        if (count) {\n            this._selectUserById(this._filteredUsers[newIndex].id);\n        }\n    };\n\n    /**\n     * Change to the next user in the grading list.\n     *\n     * @param {Event} e\n     * @param {Boolean} saved Has the form already been saved? Skips checking for changes if true.\n     */\n    GradingNavigation.prototype._handleNextUser = function(e, saved) {\n        e.preventDefault();\n        var select = this._region.find('[data-action=change-user]');\n        var currentUserId = select.attr('data-selected');\n        var i = 0;\n        var currentIndex = 0;\n\n        for (i = 0; i < this._filteredUsers.length; i++) {\n            if (this._filteredUsers[i].id == currentUserId) {\n                currentIndex = i;\n                break;\n            }\n        }\n\n        var count = this._filteredUsers.length;\n        var newIndex = (currentIndex + 1) % count;\n\n        if (saved && count) {\n            // If we've already saved the grade, skip checking if we've made any changes.\n            var userid = this._filteredUsers[newIndex].id;\n            var useridnumber = parseInt(userid, 10);\n            select.attr('data-selected', userid);\n            if (!isNaN(useridnumber) && useridnumber > 0) {\n                $(document).trigger('user-changed', userid);\n            }\n        } else if (count) {\n            this._selectUserById(this._filteredUsers[newIndex].id);\n        }\n    };\n\n    /**\n     * Set count string. This method only sets the value for the last time it was ever called to deal\n     * with promises that return in a non-predictable order.\n     *\n     * @private\n     * @method _setCountString\n     * @param {Number} x\n     * @param {Number} y\n     */\n    GradingNavigation.prototype._setCountString = function(x, y) {\n        var updateNumber = 0;\n        this._lastXofYUpdate++;\n        updateNumber = this._lastXofYUpdate;\n\n        var param = {x: x, y: y};\n        str.get_string('xofy', 'mod_assign', param).done(function(s) {\n            if (updateNumber == this._lastXofYUpdate) {\n                this._region.find('[data-region=\"user-count-summary\"]').text(s);\n            }\n        }.bind(this)).fail(notification.exception);\n    };\n\n    /**\n     * Rebuild the x of y string.\n     *\n     * @private\n     * @method _refreshCount\n     */\n    GradingNavigation.prototype._refreshCount = function() {\n        var select = this._region.find('[data-action=change-user]');\n        var userid = select.attr('data-selected');\n        var i = 0;\n        var currentIndex = 0;\n\n        if (isNaN(userid) || userid <= 0) {\n            this._region.find('[data-region=\"user-count\"]').hide();\n        } else {\n            this._region.find('[data-region=\"user-count\"]').show();\n\n            for (i = 0; i < this._filteredUsers.length; i++) {\n                if (this._filteredUsers[i].id == userid) {\n                    currentIndex = i;\n                    break;\n                }\n            }\n            var count = this._filteredUsers.length;\n            if (count) {\n                currentIndex += 1;\n            }\n            this._setCountString(currentIndex, count);\n            // Update window URL\n            if (currentIndex > 0) {\n                var url = new URL(window.location);\n                if (parseInt(url.searchParams.get('blindid')) > 0) {\n                    var newid = this._filteredUsers[currentIndex - 1].recordid;\n                    url.searchParams.set('blindid', newid);\n                } else {\n                    url.searchParams.set('userid', userid);\n                }\n                // We do this so a browser refresh will return to the same user.\n                window.history.replaceState({}, \"\", url);\n            }\n        }\n    };\n\n    /**\n     * Respond to a user-changed event by updating the selector.\n     *\n     * @private\n     * @method _refreshSelector\n     * @param {Event} event\n     * @param {String} userid\n     */\n    GradingNavigation.prototype._refreshSelector = function(event, userid) {\n        var select = this._region.find('[data-action=change-user]');\n        userid = parseInt(userid, 10);\n\n        if (!isNaN(userid) && userid > 0) {\n            select.attr('data-selected', userid);\n        }\n        this._refreshCount();\n    };\n\n    /**\n     * Trigger the next user event depending on the 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str.get_strings([\n                {key: 'unsavedchanges', component: 'mod_assign'},\n                {key: 'unsavedchangesquestion', component: 'mod_assign'},\n                {key: 'saveandcontinue', component: 'mod_assign'},\n                {key: 'cancel', component: 'core'},\n            ]).done(function(strs) {\n                notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                    $(document).trigger('save-changes', userid);\n                });\n            });\n        } else {\n            if (!isNaN(userid) && userid > 0) {\n                select.attr('data-selected', userid);\n\n                $(document).trigger('user-changed', userid);\n            }\n        }\n    };\n\n    return 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\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_navigation_user_info.min.js b/mod/assign/amd/build/grading_navigation_user_info.min.js
index 1cbde682950..e1215364e10 100644
--- a/mod/assign/amd/build/grading_navigation_user_info.min.js
+++ b/mod/assign/amd/build/grading_navigation_user_info.min.js
@@ -1,2 +1,13 @@
-define ("mod_assign/grading_navigation_user_info",["jquery","core/notification","core/ajax","core/templates"],function(a,b,c,d){var e=function(b){this._regionSelector=b;this._region=a(b);this._userCache={};a(document).on("user-changed",this._refreshUserInfo.bind(this))};e.prototype._regionSelector=null;e.prototype._userCache=null;e.prototype._region=null;e.prototype._lastUserId=0;e.prototype._getAssignmentId=function(){return this._region.attr("data-assignmentid")};e.prototype._refreshUserInfo=function(e,f){var g=a.Deferred();this._region.attr("data-userid",f);if(this._lastUserId==f){return}this._lastUserId=f;d.render("mod_assign/loading",{}).done(function(e,h){this._region.fadeOut("fast",function(){d.replaceNodeContents(this._region,e,h);this._region.fadeIn("fast")}.bind(this));if(0>f){d.render("mod_assign/grading_navigation_no_users",{}).done(function(a,b){if(f==this._lastUserId){this._region.fadeOut("fast",function(){d.replaceNodeContents(this._region,a,b);this._region.fadeIn("fast")}.bind(this))}}.bind(this)).fail(b.exception);return}if("undefined"!=typeof this._userCache[f]){g.resolve(this._userCache[f])}else{var i=this._getAssignmentId(),j=c.call([{methodname:"mod_assign_get_participant",args:{userid:f,assignid:i,embeduser:!0}}]);j[0].done(function(a){if(!a.hasOwnProperty("id")){g.reject("No users")}else{this._userCache[f]=a;g.resolve(this._userCache[f])}}.bind(this)).fail(b.exception)}g.done(function(c){var e=a("[data-showuseridentity]").data("showuseridentity").split(","),g=[];c.courseid=a("[data-region=\"grading-navigation-panel\"]").attr("data-courseid");if(c.user){a.each(e,function(a,b){if("undefined"!=typeof c.user[b]&&""!==c.user[b]){c.hasidentity=!0;g.push(c.user[b])}});c.identity=g.join(", ");if(c.user.profileimageurl){c.profileimageurl=c.user.profileimageurl}}d.render("mod_assign/grading_navigation_user_summary",c).done(function(a,b){if(f==this._lastUserId){this._region.fadeOut("fast",function(){d.replaceNodeContents(this._region,a,b);this._region.fadeIn("fast")}.bind(this))}}.bind(this)).fail(b.exception)}.bind(this)).fail(function(){d.render("mod_assign/grading_navigation_no_users",{}).done(function(a,b){this._region.fadeOut("fast",function(){d.replaceNodeContents(this._region,a,b);this._region.fadeIn("fast")}.bind(this))}.bind(this)).fail(b.exception)}.bind(this))}.bind(this)).fail(b.exception)};return e});
-//# sourceMappingURL=grading_navigation_user_info.min.js.map
+/**
+ * Javascript controller for the "User summary" panel at the top of the page.
+ *
+ * @module     mod_assign/grading_navigation_user_info
+ * @package    mod_assign
+ * @class      UserInfo
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_assign/grading_navigation_user_info",["jquery","core/notification","core/ajax","core/templates"],(function($,notification,ajax,templates){var UserInfo=function(selector){this._regionSelector=selector,this._region=$(selector),this._userCache={},$(document).on("user-changed",this._refreshUserInfo.bind(this))};return UserInfo.prototype._regionSelector=null,UserInfo.prototype._userCache=null,UserInfo.prototype._region=null,UserInfo.prototype._lastUserId=0,UserInfo.prototype._getAssignmentId=function(){return this._region.attr("data-assignmentid")},UserInfo.prototype._refreshUserInfo=function(event,userid){var promise=$.Deferred();this._region.attr("data-userid",userid),this._lastUserId!=userid&&(this._lastUserId=userid,templates.render("mod_assign/loading",{}).done(function(html,js){if(this._region.fadeOut("fast",function(){templates.replaceNodeContents(this._region,html,js),this._region.fadeIn("fast")}.bind(this)),userid<0)templates.render("mod_assign/grading_navigation_no_users",{}).done(function(html,js){userid==this._lastUserId&&this._region.fadeOut("fast",function(){templates.replaceNodeContents(this._region,html,js),this._region.fadeIn("fast")}.bind(this))}.bind(this)).fail(notification.exception);else{if(void 0!==this._userCache[userid])promise.resolve(this._userCache[userid]);else{var assignmentId=this._getAssignmentId();ajax.call([{methodname:"mod_assign_get_participant",args:{userid:userid,assignid:assignmentId,embeduser:!0}}])[0].done(function(participant){participant.hasOwnProperty("id")?(this._userCache[userid]=participant,promise.resolve(this._userCache[userid])):promise.reject("No users")}.bind(this)).fail(notification.exception)}promise.done(function(context){var identityfields=$("[data-showuseridentity]").data("showuseridentity").split(","),identity=[];context.courseid=$('[data-region="grading-navigation-panel"]').attr("data-courseid"),context.user&&($.each(identityfields,(function(i,k){void 0!==context.user[k]&&""!==context.user[k]&&(context.hasidentity=!0,identity.push(context.user[k]))})),context.identity=identity.join(", "),context.user.profileimageurl&&(context.profileimageurl=context.user.profileimageurl)),templates.render("mod_assign/grading_navigation_user_summary",context).done(function(html,js){userid==this._lastUserId&&this._region.fadeOut("fast",function(){templates.replaceNodeContents(this._region,html,js),this._region.fadeIn("fast")}.bind(this))}.bind(this)).fail(notification.exception)}.bind(this)).fail(function(){templates.render("mod_assign/grading_navigation_no_users",{}).done(function(html,js){this._region.fadeOut("fast",function(){templates.replaceNodeContents(this._region,html,js),this._region.fadeIn("fast")}.bind(this))}.bind(this)).fail(notification.exception)}.bind(this))}}.bind(this)).fail(notification.exception))},UserInfo}));
+
+//# sourceMappingURL=grading_navigation_user_info.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_navigation_user_info.min.js.map b/mod/assign/amd/build/grading_navigation_user_info.min.js.map
index 9992031822a..e9a4e5586d0 100644
--- a/mod/assign/amd/build/grading_navigation_user_info.min.js.map
+++ b/mod/assign/amd/build/grading_navigation_user_info.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/grading_navigation_user_info.js"],"names":["define","$","notification","ajax","templates","UserInfo","selector","_regionSelector","_region","_userCache","document","on","_refreshUserInfo","bind","prototype","_lastUserId","_getAssignmentId","attr","event","userid","promise","Deferred","render","done","html","js","fadeOut","replaceNodeContents","fadeIn","fail","exception","resolve","assignmentId","requests","call","methodname","args","assignid","embeduser","participant","hasOwnProperty","reject","context","identityfields","data","split","identity","courseid","user","each","i","k","hasidentity","push","join","profileimageurl"],"mappings":"AAyBAA,OAAM,2CAAC,CAAC,QAAD,CAAW,mBAAX,CAAgC,WAAhC,CAA6C,gBAA7C,CAAD,CAAiE,SAASC,CAAT,CAAYC,CAAZ,CAA0BC,CAA1B,CAAgCC,CAAhC,CAA2C,CAQ9G,GAAIC,CAAAA,CAAQ,CAAG,SAASC,CAAT,CAAmB,CAC9B,KAAKC,eAAL,CAAuBD,CAAvB,CACA,KAAKE,OAAL,CAAeP,CAAC,CAACK,CAAD,CAAhB,CACA,KAAKG,UAAL,CAAkB,EAAlB,CAEAR,CAAC,CAACS,QAAD,CAAD,CAAYC,EAAZ,CAAe,cAAf,CAA+B,KAAKC,gBAAL,CAAsBC,IAAtB,CAA2B,IAA3B,CAA/B,CACH,CAND,CASAR,CAAQ,CAACS,SAAT,CAAmBP,eAAnB,CAAqC,IAArC,CAGAF,CAAQ,CAACS,SAAT,CAAmBL,UAAnB,CAAgC,IAAhC,CAGAJ,CAAQ,CAACS,SAAT,CAAmBN,OAAnB,CAA6B,IAA7B,CAGAH,CAAQ,CAACS,SAAT,CAAmBC,WAAnB,CAAiC,CAAjC,CASAV,CAAQ,CAACS,SAAT,CAAmBE,gBAAnB,CAAsC,UAAW,CAC7C,MAAO,MAAKR,OAAL,CAAaS,IAAb,CAAkB,mBAAlB,CACV,CAFD,CAYAZ,CAAQ,CAACS,SAAT,CAAmBF,gBAAnB,CAAsC,SAASM,CAAT,CAAgBC,CAAhB,CAAwB,CAC1D,GAAIC,CAAAA,CAAO,CAAGnB,CAAC,CAACoB,QAAF,EAAd,CAGA,KAAKb,OAAL,CAAaS,IAAb,CAAkB,aAAlB,CAAiCE,CAAjC,EAGA,GAAI,KAAKJ,WAAL,EAAoBI,CAAxB,CAAgC,CAC5B,MACH,CACD,KAAKJ,WAAL,CAAmBI,CAAnB,CAGAf,CAAS,CAACkB,MAAV,CAAiB,oBAAjB,CAAuC,EAAvC,EAA2CC,IAA3C,CAAgD,SAASC,CAAT,CAAeC,CAAf,CAAmB,CAE/D,KAAKjB,OAAL,CAAakB,OAAb,CAAqB,MAArB,CAA6B,UAAW,CACpCtB,CAAS,CAACuB,mBAAV,CAA8B,KAAKnB,OAAnC,CAA4CgB,CAA5C,CAAkDC,CAAlD,EACA,KAAKjB,OAAL,CAAaoB,MAAb,CAAoB,MAApB,CACH,CAH4B,CAG3Bf,IAH2B,CAGtB,IAHsB,CAA7B,EAKA,GAAa,CAAT,CAAAM,CAAJ,CAAgB,CAEZf,CAAS,CAACkB,MAAV,CAAiB,wCAAjB,CAA2D,EAA3D,EAA+DC,IAA/D,CAAoE,SAASC,CAAT,CAAeC,CAAf,CAAmB,CACnF,GAAIN,CAAM,EAAI,KAAKJ,WAAnB,CAAgC,CAE5B,KAAKP,OAAL,CAAakB,OAAb,CAAqB,MAArB,CAA6B,UAAW,CACpCtB,CAAS,CAACuB,mBAAV,CAA8B,KAAKnB,OAAnC,CAA4CgB,CAA5C,CAAkDC,CAAlD,EACA,KAAKjB,OAAL,CAAaoB,MAAb,CAAoB,MAApB,CACH,CAH4B,CAG3Bf,IAH2B,CAGtB,IAHsB,CAA7B,CAIH,CACJ,CARmE,CAQlEA,IARkE,CAQ7D,IAR6D,CAApE,EAQcgB,IARd,CAQmB3B,CAAY,CAAC4B,SARhC,EASA,MACH,CAED,GAAuC,WAAnC,QAAO,MAAKrB,UAAL,CAAgBU,CAAhB,CAAX,CAAoD,CAChDC,CAAO,CAACW,OAAR,CAAgB,KAAKtB,UAAL,CAAgBU,CAAhB,CAAhB,CACH,CAFD,IAEO,IAECa,CAAAA,CAAY,CAAG,KAAKhB,gBAAL,EAFhB,CAGCiB,CAAQ,CAAG9B,CAAI,CAAC+B,IAAL,CAAU,CAAC,CACtBC,UAAU,CAAE,4BADU,CAEtBC,IAAI,CAAE,CACFjB,MAAM,CAAEA,CADN,CAEFkB,QAAQ,CAAEL,CAFR,CAGFM,SAAS,GAHP,CAFgB,CAAD,CAAV,CAHZ,CAYHL,CAAQ,CAAC,CAAD,CAAR,CAAYV,IAAZ,CAAiB,SAASgB,CAAT,CAAsB,CACnC,GAAI,CAACA,CAAW,CAACC,cAAZ,CAA2B,IAA3B,CAAL,CAAuC,CACnCpB,CAAO,CAACqB,MAAR,CAAe,UAAf,CACH,CAFD,IAEO,CACH,KAAKhC,UAAL,CAAgBU,CAAhB,EAA0BoB,CAA1B,CACAnB,CAAO,CAACW,OAAR,CAAgB,KAAKtB,UAAL,CAAgBU,CAAhB,CAAhB,CACH,CACJ,CAPgB,CAOfN,IAPe,CAOV,IAPU,CAAjB,EAOcgB,IAPd,CAOmB3B,CAAY,CAAC4B,SAPhC,CAQH,CAEDV,CAAO,CAACG,IAAR,CAAa,SAASmB,CAAT,CAAkB,CAC3B,GAAIC,CAAAA,CAAc,CAAG1C,CAAC,CAAC,yBAAD,CAAD,CAA6B2C,IAA7B,CAAkC,kBAAlC,EAAsDC,KAAtD,CAA4D,GAA5D,CAArB,CACIC,CAAQ,CAAG,EADf,CAGAJ,CAAO,CAACK,QAAR,CAAmB9C,CAAC,CAAC,4CAAD,CAAD,CAA8CgB,IAA9C,CAAmD,eAAnD,CAAnB,CAEA,GAAIyB,CAAO,CAACM,IAAZ,CAAkB,CAEd/C,CAAC,CAACgD,IAAF,CAAON,CAAP,CAAuB,SAASO,CAAT,CAAYC,CAAZ,CAAe,CAClC,GAA+B,WAA3B,QAAOT,CAAAA,CAAO,CAACM,IAAR,CAAaG,CAAb,CAAP,EAA8D,EAApB,GAAAT,CAAO,CAACM,IAAR,CAAaG,CAAb,CAA9C,CAAsE,CAClET,CAAO,CAACU,WAAR,IACAN,CAAQ,CAACO,IAAT,CAAcX,CAAO,CAACM,IAAR,CAAaG,CAAb,CAAd,CACH,CACJ,CALD,EAMAT,CAAO,CAACI,QAAR,CAAmBA,CAAQ,CAACQ,IAAT,CAAc,IAAd,CAAnB,CAGA,GAAIZ,CAAO,CAACM,IAAR,CAAaO,eAAjB,CAAkC,CAC9Bb,CAAO,CAACa,eAAR,CAA0Bb,CAAO,CAACM,IAAR,CAAaO,eAC1C,CACJ,CAEDnD,CAAS,CAACkB,MAAV,CAAiB,4CAAjB,CAA+DoB,CAA/D,EAAwEnB,IAAxE,CAA6E,SAASC,CAAT,CAAeC,CAAf,CAAmB,CAE5F,GAAIN,CAAM,EAAI,KAAKJ,WAAnB,CAAgC,CAC5B,KAAKP,OAAL,CAAakB,OAAb,CAAqB,MAArB,CAA6B,UAAW,CACpCtB,CAAS,CAACuB,mBAAV,CAA8B,KAAKnB,OAAnC,CAA4CgB,CAA5C,CAAkDC,CAAlD,EACA,KAAKjB,OAAL,CAAaoB,MAAb,CAAoB,MAApB,CACH,CAH4B,CAG3Bf,IAH2B,CAGtB,IAHsB,CAA7B,CAIH,CACJ,CAR4E,CAQ3EA,IAR2E,CAQtE,IARsE,CAA7E,EAQcgB,IARd,CAQmB3B,CAAY,CAAC4B,SARhC,CASH,CA/BY,CA+BXjB,IA/BW,CA+BN,IA/BM,CAAb,EA+BcgB,IA/Bd,CA+BmB,UAAW,CAE1BzB,CAAS,CAACkB,MAAV,CAAiB,wCAAjB,CAA2D,EAA3D,EAA+DC,IAA/D,CAAoE,SAASC,CAAT,CAAeC,CAAf,CAAmB,CAEnF,KAAKjB,OAAL,CAAakB,OAAb,CAAqB,MAArB,CAA6B,UAAW,CACpCtB,CAAS,CAACuB,mBAAV,CAA8B,KAAKnB,OAAnC,CAA4CgB,CAA5C,CAAkDC,CAAlD,EACA,KAAKjB,OAAL,CAAaoB,MAAb,CAAoB,MAApB,CACH,CAH4B,CAG3Bf,IAH2B,CAGtB,IAHsB,CAA7B,CAIH,CANmE,CAMlEA,IANkE,CAM7D,IAN6D,CAApE,EAMcgB,IANd,CAMmB3B,CAAY,CAAC4B,SANhC,CAOH,CATkB,CAUlBjB,IAVkB,CAUb,IAVa,CA/BnB,CA0CH,CAvF+C,CAuF9CA,IAvF8C,CAuFzC,IAvFyC,CAAhD,EAuFcgB,IAvFd,CAuFmB3B,CAAY,CAAC4B,SAvFhC,CAwFH,CArGD,CAuGA,MAAOzB,CAAAA,CACV,CAvJK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript controller for the \"User summary\" panel at the top of the page.\n *\n * @module     mod_assign/grading_navigation_user_info\n * @package    mod_assign\n * @class      UserInfo\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/notification', 'core/ajax', 'core/templates'], function($, notification, ajax, templates) {\n\n    /**\n     * UserInfo class.\n     *\n     * @class UserInfo\n     * @param {String} selector The selector for the page region containing the user navigation.\n     */\n    var UserInfo = function(selector) {\n        this._regionSelector = selector;\n        this._region = $(selector);\n        this._userCache = {};\n\n        $(document).on('user-changed', this._refreshUserInfo.bind(this));\n    };\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    UserInfo.prototype._regionSelector = null;\n\n    /** @type {Array} Cache of user info contexts. */\n    UserInfo.prototype._userCache = null;\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    UserInfo.prototype._region = null;\n\n    /** @type {Integer} Remember the last user id to prevent unnecessary reloads. */\n    UserInfo.prototype._lastUserId = 0;\n\n    /**\n     * Get the assignment id\n     *\n     * @private\n     * @method _getAssignmentId\n     * @return {Integer} assignment id\n     */\n    UserInfo.prototype._getAssignmentId = function() {\n        return this._region.attr('data-assignmentid');\n    };\n\n    /**\n     * Get the user context - re-render the template in the page.\n     *\n     * @private\n     * @method _refreshUserInfo\n     * @param {Event} event\n     * @param {Number} userid\n     */\n    UserInfo.prototype._refreshUserInfo = function(event, userid) {\n        var promise = $.Deferred();\n\n        // Put the current user ID in the DOM so yui can access it.\n        this._region.attr('data-userid', userid);\n\n        // Skip reloading if it is the same user.\n        if (this._lastUserId == userid) {\n            return;\n        }\n        this._lastUserId = userid;\n\n        // First insert the loading template.\n        templates.render('mod_assign/loading', {}).done(function(html, js) {\n            // Update the page.\n            this._region.fadeOut(\"fast\", function() {\n                templates.replaceNodeContents(this._region, html, js);\n                this._region.fadeIn(\"fast\");\n            }.bind(this));\n\n            if (userid < 0) {\n                // Render the template.\n                templates.render('mod_assign/grading_navigation_no_users', {}).done(function(html, js) {\n                    if (userid == this._lastUserId) {\n                        // Update the page.\n                        this._region.fadeOut(\"fast\", function() {\n                            templates.replaceNodeContents(this._region, html, js);\n                            this._region.fadeIn(\"fast\");\n                        }.bind(this));\n                    }\n                }.bind(this)).fail(notification.exception);\n                return;\n            }\n\n            if (typeof this._userCache[userid] !== \"undefined\") {\n                promise.resolve(this._userCache[userid]);\n            } else {\n                // Load context from ajax.\n                var assignmentId = this._getAssignmentId();\n                var requests = ajax.call([{\n                    methodname: 'mod_assign_get_participant',\n                    args: {\n                        userid: userid,\n                        assignid: assignmentId,\n                        embeduser: true\n                    }\n                }]);\n\n                requests[0].done(function(participant) {\n                    if (!participant.hasOwnProperty('id')) {\n                        promise.reject('No users');\n                    } else {\n                        this._userCache[userid] = participant;\n                        promise.resolve(this._userCache[userid]);\n                    }\n                }.bind(this)).fail(notification.exception);\n            }\n\n            promise.done(function(context) {\n                var identityfields = $('[data-showuseridentity]').data('showuseridentity').split(','),\n                    identity = [];\n                // Render the template.\n                context.courseid = $('[data-region=\"grading-navigation-panel\"]').attr('data-courseid');\n\n                if (context.user) {\n                    // Build a string for the visible identity fields listed in showuseridentity config setting.\n                    $.each(identityfields, function(i, k) {\n                        if (typeof context.user[k] !== 'undefined' && context.user[k] !== '') {\n                            context.hasidentity = true;\n                            identity.push(context.user[k]);\n                        }\n                    });\n                    context.identity = identity.join(', ');\n\n                    // Add profile image url to context.\n                    if (context.user.profileimageurl) {\n                        context.profileimageurl = context.user.profileimageurl;\n                    }\n                }\n\n                templates.render('mod_assign/grading_navigation_user_summary', context).done(function(html, js) {\n                    // Update the page.\n                    if (userid == this._lastUserId) {\n                        this._region.fadeOut(\"fast\", function() {\n                            templates.replaceNodeContents(this._region, html, js);\n                            this._region.fadeIn(\"fast\");\n                        }.bind(this));\n                    }\n                }.bind(this)).fail(notification.exception);\n            }.bind(this)).fail(function() {\n                // Render the template.\n                templates.render('mod_assign/grading_navigation_no_users', {}).done(function(html, js) {\n                    // Update the page.\n                    this._region.fadeOut(\"fast\", function() {\n                        templates.replaceNodeContents(this._region, html, js);\n                        this._region.fadeIn(\"fast\");\n                    }.bind(this));\n                }.bind(this)).fail(notification.exception);\n            }\n            .bind(this));\n        }.bind(this)).fail(notification.exception);\n    };\n\n    return UserInfo;\n});\n"],"file":"grading_navigation_user_info.min.js"}
\ No newline at end of file
+{"version":3,"file":"grading_navigation_user_info.min.js","sources":["../src/grading_navigation_user_info.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript controller for the \"User summary\" panel at the top of the page.\n *\n * @module     mod_assign/grading_navigation_user_info\n * @package    mod_assign\n * @class      UserInfo\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/notification', 'core/ajax', 'core/templates'], function($, notification, ajax, templates) {\n\n    /**\n     * UserInfo class.\n     *\n     * @class UserInfo\n     * @param {String} selector The selector for the page region containing the user navigation.\n     */\n    var UserInfo = function(selector) {\n        this._regionSelector = selector;\n        this._region = $(selector);\n        this._userCache = {};\n\n        $(document).on('user-changed', this._refreshUserInfo.bind(this));\n    };\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    UserInfo.prototype._regionSelector = null;\n\n    /** @type {Array} Cache of user info contexts. */\n    UserInfo.prototype._userCache = null;\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    UserInfo.prototype._region = null;\n\n    /** @type {Integer} Remember the last user id to prevent unnecessary reloads. */\n    UserInfo.prototype._lastUserId = 0;\n\n    /**\n     * Get the assignment id\n     *\n     * @private\n     * @method _getAssignmentId\n     * @return {Integer} assignment id\n     */\n    UserInfo.prototype._getAssignmentId = function() {\n        return this._region.attr('data-assignmentid');\n    };\n\n    /**\n     * Get the user context - re-render the template in the page.\n     *\n     * @private\n     * @method _refreshUserInfo\n     * @param {Event} event\n     * @param {Number} userid\n     */\n    UserInfo.prototype._refreshUserInfo = function(event, userid) {\n        var promise = $.Deferred();\n\n        // Put the current user ID in the DOM so yui can access it.\n        this._region.attr('data-userid', userid);\n\n        // Skip reloading if it is the same user.\n        if (this._lastUserId == userid) {\n            return;\n        }\n        this._lastUserId = userid;\n\n        // First insert the loading template.\n        templates.render('mod_assign/loading', {}).done(function(html, js) {\n            // Update the page.\n            this._region.fadeOut(\"fast\", function() {\n                templates.replaceNodeContents(this._region, html, js);\n                this._region.fadeIn(\"fast\");\n            }.bind(this));\n\n            if (userid < 0) {\n                // Render the template.\n                templates.render('mod_assign/grading_navigation_no_users', {}).done(function(html, js) {\n                    if (userid == this._lastUserId) {\n                        // Update the page.\n                        this._region.fadeOut(\"fast\", function() {\n                            templates.replaceNodeContents(this._region, html, js);\n                            this._region.fadeIn(\"fast\");\n                        }.bind(this));\n                    }\n                }.bind(this)).fail(notification.exception);\n                return;\n            }\n\n            if (typeof this._userCache[userid] !== \"undefined\") {\n                promise.resolve(this._userCache[userid]);\n            } else {\n                // Load context from ajax.\n                var assignmentId = this._getAssignmentId();\n                var requests = ajax.call([{\n                    methodname: 'mod_assign_get_participant',\n                    args: {\n                        userid: userid,\n                        assignid: assignmentId,\n                        embeduser: true\n                    }\n                }]);\n\n                requests[0].done(function(participant) {\n                    if (!participant.hasOwnProperty('id')) {\n                        promise.reject('No users');\n                    } else {\n                        this._userCache[userid] = participant;\n                        promise.resolve(this._userCache[userid]);\n                    }\n                }.bind(this)).fail(notification.exception);\n            }\n\n            promise.done(function(context) {\n                var identityfields = $('[data-showuseridentity]').data('showuseridentity').split(','),\n                    identity = [];\n                // Render the template.\n                context.courseid = $('[data-region=\"grading-navigation-panel\"]').attr('data-courseid');\n\n                if (context.user) {\n                    // Build a string for the visible identity fields listed in showuseridentity config setting.\n                    $.each(identityfields, function(i, k) {\n                        if (typeof context.user[k] !== 'undefined' && context.user[k] !== '') {\n                            context.hasidentity = true;\n                            identity.push(context.user[k]);\n                        }\n                    });\n                    context.identity = identity.join(', ');\n\n                    // Add profile image url to context.\n                    if (context.user.profileimageurl) {\n                        context.profileimageurl = context.user.profileimageurl;\n                    }\n                }\n\n                templates.render('mod_assign/grading_navigation_user_summary', context).done(function(html, js) {\n                    // Update the page.\n                    if (userid == this._lastUserId) {\n                        this._region.fadeOut(\"fast\", function() {\n                            templates.replaceNodeContents(this._region, html, js);\n                            this._region.fadeIn(\"fast\");\n                        }.bind(this));\n                    }\n                }.bind(this)).fail(notification.exception);\n            }.bind(this)).fail(function() {\n                // Render the template.\n                templates.render('mod_assign/grading_navigation_no_users', {}).done(function(html, js) {\n                    // Update the page.\n                    this._region.fadeOut(\"fast\", function() {\n                        templates.replaceNodeContents(this._region, html, js);\n                        this._region.fadeIn(\"fast\");\n                    }.bind(this));\n                }.bind(this)).fail(notification.exception);\n            }\n            .bind(this));\n        }.bind(this)).fail(notification.exception);\n    };\n\n    return UserInfo;\n});\n"],"names":["define","$","notification","ajax","templates","UserInfo","selector","_regionSelector","_region","_userCache","document","on","this","_refreshUserInfo","bind","prototype","_lastUserId","_getAssignmentId","attr","event","userid","promise","Deferred","render","done","html","js","fadeOut","replaceNodeContents","fadeIn","fail","exception","resolve","assignmentId","call","methodname","args","assignid","embeduser","participant","hasOwnProperty","reject","context","identityfields","data","split","identity","courseid","user","each","i","k","hasidentity","push","join","profileimageurl"],"mappings":";;;;;;;;;;AAyBAA,iDAAO,CAAC,SAAU,oBAAqB,YAAa,mBAAmB,SAASC,EAAGC,aAAcC,KAAMC,eAQ/FC,SAAW,SAASC,eACfC,gBAAkBD,cAClBE,QAAUP,EAAEK,eACZG,WAAa,GAElBR,EAAES,UAAUC,GAAG,eAAgBC,KAAKC,iBAAiBC,KAAKF,eAI9DP,SAASU,UAAUR,gBAAkB,KAGrCF,SAASU,UAAUN,WAAa,KAGhCJ,SAASU,UAAUP,QAAU,KAG7BH,SAASU,UAAUC,YAAc,EASjCX,SAASU,UAAUE,iBAAmB,kBAC3BL,KAAKJ,QAAQU,KAAK,sBAW7Bb,SAASU,UAAUF,iBAAmB,SAASM,MAAOC,YAC9CC,QAAUpB,EAAEqB,gBAGXd,QAAQU,KAAK,cAAeE,QAG7BR,KAAKI,aAAeI,cAGnBJ,YAAcI,OAGnBhB,UAAUmB,OAAO,qBAAsB,IAAIC,KAAK,SAASC,KAAMC,YAEtDlB,QAAQmB,QAAQ,OAAQ,WACzBvB,UAAUwB,oBAAoBhB,KAAKJ,QAASiB,KAAMC,SAC7ClB,QAAQqB,OAAO,SACtBf,KAAKF,OAEHQ,OAAS,EAEThB,UAAUmB,OAAO,yCAA0C,IAAIC,KAAK,SAASC,KAAMC,IAC3EN,QAAUR,KAAKI,kBAEVR,QAAQmB,QAAQ,OAAQ,WACzBvB,UAAUwB,oBAAoBhB,KAAKJ,QAASiB,KAAMC,SAC7ClB,QAAQqB,OAAO,SACtBf,KAAKF,QAEbE,KAAKF,OAAOkB,KAAK5B,aAAa6B,wBAIG,IAA5BnB,KAAKH,WAAWW,QACvBC,QAAQW,QAAQpB,KAAKH,WAAWW,aAC7B,KAECa,aAAerB,KAAKK,mBACTd,KAAK+B,KAAK,CAAC,CACtBC,WAAY,6BACZC,KAAM,CACFhB,OAAQA,OACRiB,SAAUJ,aACVK,WAAW,MAIV,GAAGd,KAAK,SAASe,aACjBA,YAAYC,eAAe,YAGvB/B,WAAWW,QAAUmB,YAC1BlB,QAAQW,QAAQpB,KAAKH,WAAWW,UAHhCC,QAAQoB,OAAO,aAKrB3B,KAAKF,OAAOkB,KAAK5B,aAAa6B,WAGpCV,QAAQG,KAAK,SAASkB,aACdC,eAAiB1C,EAAE,2BAA2B2C,KAAK,oBAAoBC,MAAM,KAC7EC,SAAW,GAEfJ,QAAQK,SAAW9C,EAAE,4CAA4CiB,KAAK,iBAElEwB,QAAQM,OAER/C,EAAEgD,KAAKN,gBAAgB,SAASO,EAAGC,QACA,IAApBT,QAAQM,KAAKG,IAA0C,KAApBT,QAAQM,KAAKG,KACvDT,QAAQU,aAAc,EACtBN,SAASO,KAAKX,QAAQM,KAAKG,QAGnCT,QAAQI,SAAWA,SAASQ,KAAK,MAG7BZ,QAAQM,KAAKO,kBACbb,QAAQa,gBAAkBb,QAAQM,KAAKO,kBAI/CnD,UAAUmB,OAAO,6CAA8CmB,SAASlB,KAAK,SAASC,KAAMC,IAEpFN,QAAUR,KAAKI,kBACVR,QAAQmB,QAAQ,OAAQ,WACzBvB,UAAUwB,oBAAoBhB,KAAKJ,QAASiB,KAAMC,SAC7ClB,QAAQqB,OAAO,SACtBf,KAAKF,QAEbE,KAAKF,OAAOkB,KAAK5B,aAAa6B,YAClCjB,KAAKF,OAAOkB,KAAK,WAEf1B,UAAUmB,OAAO,yCAA0C,IAAIC,KAAK,SAASC,KAAMC,SAE1ElB,QAAQmB,QAAQ,OAAQ,WACzBvB,UAAUwB,oBAAoBhB,KAAKJ,QAASiB,KAAMC,SAC7ClB,QAAQqB,OAAO,SACtBf,KAAKF,QACTE,KAAKF,OAAOkB,KAAK5B,aAAa6B,YAEnCjB,KAAKF,SACRE,KAAKF,OAAOkB,KAAK5B,aAAa6B,aAG7B1B"}
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_panel.min.js b/mod/assign/amd/build/grading_panel.min.js
index e30c7130da3..13aed1814c4 100644
--- a/mod/assign/amd/build/grading_panel.min.js
+++ b/mod/assign/amd/build/grading_panel.min.js
@@ -1,2 +1,13 @@
-define ("mod_assign/grading_panel",["jquery","core/yui","core/notification","core/templates","core/fragment","core/ajax","core/str","mod_assign/grading_form_change_checker","mod_assign/grading_events","core/event"],function(a,b,c,d,e,f,g,h,i,j){var k=function(b){this._regionSelector=b;this._region=a(b);this._userCache=[];this.registerEventListeners()};k.prototype._regionSelector=null;k.prototype._lastUserId=0;k.prototype._lastAttemptNumber=-1;k.prototype._region=null;k.prototype.nextUserId=null;k.prototype.nextUser=!1;k.prototype._niceReplaceNodeContents=function(b,c,e){var f=a.Deferred();b.fadeOut("fast",function(){d.replaceNodeContents(b,c,e);b.fadeIn("fast",function(){f.resolve()})});return f.promise()};k.prototype._saveFormState=function(){var b=a("[data-region=\"grading-actions-form\"] [name=\"sendstudentnotifications\"]").prop("checked");a(".gradeform [name=\"sendstudentnotifications\"]").val(b)};k.prototype._submitForm=function(b,d,e){var g=a(this._region.find("form.gradeform"));a("[data-region=\"overlay\"]").show();g.trigger("save-form-state");j.notifyFormSubmitAjax(g[0]);var h=g.serialize(),i=this._region.attr("data-assignmentid");f.call([{methodname:"mod_assign_submit_grading_form",args:{assignmentid:i,userid:this._lastUserId,jsonformdata:JSON.stringify(h)},done:this._handleFormSubmissionResponse.bind(this,h,d,e),fail:c.exception}])};k.prototype._handleFormSubmissionResponse=function(d,e,f,h){if("undefined"==typeof e){e=this._lastUserId}if(h.length){a(document).trigger("reset",[this._lastUserId,d])}else{g.get_strings([{key:"changessaved",component:"core"},{key:"gradechangessaveddetail",component:"mod_assign"}]).done(function(a){c.alert(a[0],a[1])}).fail(c.exception);b.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.reset_form_dirty_state()});if(e==this._lastUserId){a(document).trigger("reset",e)}else if(f){a(document).trigger("done-saving-show-next",!0)}else{a(document).trigger("user-changed",e)}}a("[data-region=\"overlay\"]").hide()};k.prototype._resetForm=function(b,c,d){var e=a.Event("custom");if("undefined"==typeof c){c=this._lastUserId}this._lastUserId=0;this._refreshGradingPanel(e,c,d)};k.prototype._chooseAttempt=function(b){var d=a(b.target),e=d.data("submissions"),f=a(document.getElementById(e)),h=f.clone(),i=h.wrap(a("<form/>")).html();g.get_strings([{key:"viewadifferentattempt",component:"mod_assign"},{key:"view",component:"core"},{key:"cancel",component:"core"}]).done(function(b){c.confirm(b[0],i,b[1],b[2],function(){var b=a("input:radio[name='select-attemptnumber']:checked").val();this._refreshGradingPanel(null,this._lastUserId,"",b)}.bind(this))}.bind(this)).fail(c.exception)};k.prototype._addPopoutButtons=function(b){var e=a(b);d.render("mod_assign/popout_button",{}).done(function(a){var b=e.find("[data-fieldtype=\"filemanager\"],[data-fieldtype=\"editor\"],[data-fieldtype=\"grading\"]").closest(".fitem");b.addClass("has-popout").find("label").parent().append(a);e.on("click","[data-region=\"popout-button\"]",this._togglePopout.bind(this))}.bind(this)).fail(c.exception)};k.prototype._togglePopout=function(b){b.preventDefault();var c=a(b.target).closest(".fitem");if(c.hasClass("popout")){a(".popout").removeClass("popout")}else{a(".popout").removeClass("popout");c.addClass("popout");c.addClass("moodle-has-zindex")}};k.prototype._refreshGradingPanel=function(b,f,g,i){var j=this._region.attr("data-contextid");if("undefined"==typeof g){g=""}if("undefined"==typeof i){i=-1}if(this._lastUserId==f&&this._lastAttemptNumber==i&&""===g){return}this._lastUserId=f;this._lastAttemptNumber=i;a(document).trigger("start-loading-user");window.M.util.js_pending("mod-assign-loading-user");d.render("mod_assign/loading",{}).done(function(b,d){this._niceReplaceNodeContents(this._region,b,d).done(function(){if(0<f){this._region.show();var b={userid:f,attemptnumber:i,jsonformdata:JSON.stringify(g)};e.loadFragment("mod_assign","gradingpanel",j,b).done(function(b,d){this._niceReplaceNodeContents(this._region,b,d).done(function(){h.saveFormState("[data-region=\"grade-panel\"] .gradeform");a(document).on("editor-content-restored",function(){h.saveFormState("[data-region=\"grade-panel\"] .gradeform")});a("[data-region=\"attempt-chooser\"]").on("click",this._chooseAttempt.bind(this));this._addPopoutButtons("[data-region=\"grade-panel\"] .gradeform");a(document).trigger("finish-loading-user");window.M.util.js_complete("mod-assign-loading-user")}.bind(this)).fail(c.exception)}.bind(this)).fail(c.exception);a("[data-region=\"review-panel\"]").show()}else{this._region.hide();a("[data-region=\"review-panel\"]").hide();a(document).trigger("finish-loading-user");window.M.util.js_complete("mod-assign-loading-user")}}.bind(this))}.bind(this)).fail(c.exception)};k.prototype._getNextUser=function(a,b){this.nextUserId=b.nextUserId;this.nextUser=b.nextUser};k.prototype._handleSaveAndShowNext=function(){this._submitForm(null,this.nextUserId,this.nextUser)};k.prototype.getPanelElement=function(){return a("[data-region=\"grade-panel\"]")};k.prototype.collapsePanel=function(){this.getPanelElement().addClass("collapsed")};k.prototype.expandPanel=function(){this.getPanelElement().removeClass("collapsed")};k.prototype.registerEventListeners=function(){var b=a(document),c=a(this._region);c.on("submit","form",function(a){a.preventDefault()});b.on("next-user",this._getNextUser.bind(this));b.on("user-changed",this._refreshGradingPanel.bind(this));b.on("save-changes",this._submitForm.bind(this));b.on("save-and-show-next",this._handleSaveAndShowNext.bind(this));b.on("reset",this._resetForm.bind(this));b.on("save-form-state",this._saveFormState.bind(this));b.on(i.COLLAPSE_GRADE_PANEL,function(){this.collapsePanel()}.bind(this));b.on(i.COLLAPSE_REVIEW_PANEL,function(){this.expandPanel()}.bind(this));b.on(i.EXPAND_GRADE_PANEL,function(){this.expandPanel()}.bind(this))};return k});
-//# sourceMappingURL=grading_panel.min.js.map
+/**
+ * Javascript controller for the "Grading" panel at the right of the page.
+ *
+ * @module     mod_assign/grading_panel
+ * @package    mod_assign
+ * @class      GradingPanel
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_assign/grading_panel",["jquery","core/yui","core/notification","core/templates","core/fragment","core/ajax","core/str","mod_assign/grading_form_change_checker","mod_assign/grading_events","core/event"],(function($,Y,notification,templates,fragment,ajax,str,checker,GradingEvents,Event){var GradingPanel=function(selector){this._regionSelector=selector,this._region=$(selector),this._userCache=[],this.registerEventListeners()};return GradingPanel.prototype._regionSelector=null,GradingPanel.prototype._lastUserId=0,GradingPanel.prototype._lastAttemptNumber=-1,GradingPanel.prototype._region=null,GradingPanel.prototype.nextUserId=null,GradingPanel.prototype.nextUser=!1,GradingPanel.prototype._niceReplaceNodeContents=function(node,html,js){var promise=$.Deferred();return node.fadeOut("fast",(function(){templates.replaceNodeContents(node,html,js),node.fadeIn("fast",(function(){promise.resolve()}))})),promise.promise()},GradingPanel.prototype._saveFormState=function(){var checked=$('[data-region="grading-actions-form"] [name="sendstudentnotifications"]').prop("checked");$('.gradeform [name="sendstudentnotifications"]').val(checked)},GradingPanel.prototype._submitForm=function(event,nextUserId,nextUser){var form=$(this._region.find("form.gradeform"));$('[data-region="overlay"]').show(),form.trigger("save-form-state"),Event.notifyFormSubmitAjax(form[0]);var data=form.serialize(),assignmentid=this._region.attr("data-assignmentid");ajax.call([{methodname:"mod_assign_submit_grading_form",args:{assignmentid:assignmentid,userid:this._lastUserId,jsonformdata:JSON.stringify(data)},done:this._handleFormSubmissionResponse.bind(this,data,nextUserId,nextUser),fail:notification.exception}])},GradingPanel.prototype._handleFormSubmissionResponse=function(formdata,nextUserId,nextUser,response){void 0===nextUserId&&(nextUserId=this._lastUserId),response.length?$(document).trigger("reset",[this._lastUserId,formdata]):(str.get_strings([{key:"changessaved",component:"core"},{key:"gradechangessaveddetail",component:"mod_assign"}]).done((function(strs){notification.alert(strs[0],strs[1])})).fail(notification.exception),Y.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.reset_form_dirty_state()})),nextUserId==this._lastUserId?$(document).trigger("reset",nextUserId):nextUser?$(document).trigger("done-saving-show-next",!0):$(document).trigger("user-changed",nextUserId)),$('[data-region="overlay"]').hide()},GradingPanel.prototype._resetForm=function(e,userid,formdata){var event=$.Event("custom");void 0===userid&&(userid=this._lastUserId),this._lastUserId=0,this._refreshGradingPanel(event,userid,formdata)},GradingPanel.prototype._chooseAttempt=function(e){var submissionsId=$(e.target).data("submissions"),formhtml=$(document.getElementById(submissionsId)).clone().wrap($("<form/>")).html();str.get_strings([{key:"viewadifferentattempt",component:"mod_assign"},{key:"view",component:"core"},{key:"cancel",component:"core"}]).done(function(strs){notification.confirm(strs[0],formhtml,strs[1],strs[2],function(){var attemptnumber=$("input:radio[name='select-attemptnumber']:checked").val();this._refreshGradingPanel(null,this._lastUserId,"",attemptnumber)}.bind(this))}.bind(this)).fail(notification.exception)},GradingPanel.prototype._addPopoutButtons=function(selector){var region=$(selector);templates.render("mod_assign/popout_button",{}).done(function(html){region.find('[data-fieldtype="filemanager"],[data-fieldtype="editor"],[data-fieldtype="grading"]').closest(".fitem").addClass("has-popout").find("label").parent().append(html),region.on("click",'[data-region="popout-button"]',this._togglePopout.bind(this))}.bind(this)).fail(notification.exception)},GradingPanel.prototype._togglePopout=function(event){event.preventDefault();var container=$(event.target).closest(".fitem");container.hasClass("popout")?$(".popout").removeClass("popout"):($(".popout").removeClass("popout"),container.addClass("popout"),container.addClass("moodle-has-zindex"))},GradingPanel.prototype._refreshGradingPanel=function(event,userid,submissiondata,attemptnumber){var contextid=this._region.attr("data-contextid");void 0===submissiondata&&(submissiondata=""),void 0===attemptnumber&&(attemptnumber=-1),this._lastUserId==userid&&this._lastAttemptNumber==attemptnumber&&""===submissiondata||(this._lastUserId=userid,this._lastAttemptNumber=attemptnumber,$(document).trigger("start-loading-user"),window.M.util.js_pending("mod-assign-loading-user"),templates.render("mod_assign/loading",{}).done(function(html,js){this._niceReplaceNodeContents(this._region,html,js).done(function(){if(userid>0){this._region.show();var params={userid:userid,attemptnumber:attemptnumber,jsonformdata:JSON.stringify(submissiondata)};fragment.loadFragment("mod_assign","gradingpanel",contextid,params).done(function(html,js){this._niceReplaceNodeContents(this._region,html,js).done(function(){checker.saveFormState('[data-region="grade-panel"] .gradeform'),$(document).on("editor-content-restored",(function(){checker.saveFormState('[data-region="grade-panel"] .gradeform')})),$('[data-region="attempt-chooser"]').on("click",this._chooseAttempt.bind(this)),this._addPopoutButtons('[data-region="grade-panel"] .gradeform'),$(document).trigger("finish-loading-user"),window.M.util.js_complete("mod-assign-loading-user")}.bind(this)).fail(notification.exception)}.bind(this)).fail(notification.exception),$('[data-region="review-panel"]').show()}else this._region.hide(),$('[data-region="review-panel"]').hide(),$(document).trigger("finish-loading-user"),window.M.util.js_complete("mod-assign-loading-user")}.bind(this))}.bind(this)).fail(notification.exception))},GradingPanel.prototype._getNextUser=function(event,data){this.nextUserId=data.nextUserId,this.nextUser=data.nextUser},GradingPanel.prototype._handleSaveAndShowNext=function(){this._submitForm(null,this.nextUserId,this.nextUser)},GradingPanel.prototype.getPanelElement=function(){return $('[data-region="grade-panel"]')},GradingPanel.prototype.collapsePanel=function(){this.getPanelElement().addClass("collapsed")},GradingPanel.prototype.expandPanel=function(){this.getPanelElement().removeClass("collapsed")},GradingPanel.prototype.registerEventListeners=function(){var docElement=$(document);$(this._region).on("submit","form",(function(e){e.preventDefault()})),docElement.on("next-user",this._getNextUser.bind(this)),docElement.on("user-changed",this._refreshGradingPanel.bind(this)),docElement.on("save-changes",this._submitForm.bind(this)),docElement.on("save-and-show-next",this._handleSaveAndShowNext.bind(this)),docElement.on("reset",this._resetForm.bind(this)),docElement.on("save-form-state",this._saveFormState.bind(this)),docElement.on(GradingEvents.COLLAPSE_GRADE_PANEL,function(){this.collapsePanel()}.bind(this)),docElement.on(GradingEvents.COLLAPSE_REVIEW_PANEL,function(){this.expandPanel()}.bind(this)),docElement.on(GradingEvents.EXPAND_GRADE_PANEL,function(){this.expandPanel()}.bind(this))},GradingPanel}));
+
+//# sourceMappingURL=grading_panel.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_panel.min.js.map b/mod/assign/amd/build/grading_panel.min.js.map
index f856ec59f5e..b4d7decbc6f 100644
--- a/mod/assign/amd/build/grading_panel.min.js.map
+++ b/mod/assign/amd/build/grading_panel.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript controller for the \"Grading\" panel at the right of the page.\n *\n * @module     mod_assign/grading_panel\n * @package    mod_assign\n * @class      GradingPanel\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/yui', 'core/notification', 'core/templates', 'core/fragment',\n        'core/ajax', 'core/str', 'mod_assign/grading_form_change_checker',\n        'mod_assign/grading_events', 'core/event'],\n       function($, Y, notification, templates, fragment, ajax, str, checker, GradingEvents, Event) {\n\n    /**\n     * GradingPanel class.\n     *\n     * @class GradingPanel\n     * @param {String} selector The selector for the page region containing the user navigation.\n     */\n    var GradingPanel = function(selector) {\n        this._regionSelector = selector;\n        this._region = $(selector);\n        this._userCache = [];\n\n        this.registerEventListeners();\n    };\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    GradingPanel.prototype._regionSelector = null;\n\n    /** @type {Integer} Remember the last user id to prevent unnessecary reloads. */\n    GradingPanel.prototype._lastUserId = 0;\n\n    /** @type {Integer} Remember the last attempt number to prevent unnessecary reloads. */\n    GradingPanel.prototype._lastAttemptNumber = -1;\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    GradingPanel.prototype._region = null;\n\n     /** @type {Integer} The id of the next user in the grading list */\n    GradingPanel.prototype.nextUserId = null;\n\n     /** @type {Boolean} Next user exists in the grading list */\n    GradingPanel.prototype.nextUser = false;\n\n    /**\n     * Fade the dom node out, update it, and fade it back.\n     *\n     * @private\n     * @method _niceReplaceNodeContents\n     * @param {JQuery} node\n     * @param {String} html\n     * @param {String} js\n     * @return {Deferred} promise resolved when the animations are complete.\n     */\n    GradingPanel.prototype._niceReplaceNodeContents = function(node, html, js) {\n        var promise = $.Deferred();\n\n        node.fadeOut(\"fast\", function() {\n            templates.replaceNodeContents(node, html, js);\n            node.fadeIn(\"fast\", function() {\n                promise.resolve();\n            });\n        });\n\n        return promise.promise();\n    };\n\n    /**\n     * Make sure all form fields have the latest saved state.\n     * @private\n     * @method _saveFormState\n     */\n    GradingPanel.prototype._saveFormState = function() {\n        // Copy data from notify students checkbox which was moved out of the form.\n        var checked = $('[data-region=\"grading-actions-form\"] [name=\"sendstudentnotifications\"]').prop(\"checked\");\n        $('.gradeform [name=\"sendstudentnotifications\"]').val(checked);\n    };\n\n    /**\n     * Make form submit via ajax.\n     *\n     * @private\n     * @param {Object} event\n     * @param {Integer} nextUserId\n     * @param {Boolean} nextUser optional. Load next user in the grading list.\n     * @method _submitForm\n     */\n    GradingPanel.prototype._submitForm = function(event, nextUserId, nextUser) {\n        // The form was submitted - send it via ajax instead.\n        var form = $(this._region.find('form.gradeform'));\n\n        $('[data-region=\"overlay\"]').show();\n\n        // We call this, so other modules can update the form with the latest state.\n        form.trigger('save-form-state');\n\n        // Tell all form fields we are about to submit the form.\n        Event.notifyFormSubmitAjax(form[0]);\n\n        // Now we get all the current values from the form.\n        var data = form.serialize();\n        var assignmentid = this._region.attr('data-assignmentid');\n\n        // Now we can continue...\n        ajax.call([{\n            methodname: 'mod_assign_submit_grading_form',\n            args: {assignmentid: assignmentid, userid: this._lastUserId, jsonformdata: JSON.stringify(data)},\n            done: this._handleFormSubmissionResponse.bind(this, data, nextUserId, nextUser),\n            fail: notification.exception\n        }]);\n    };\n\n    /**\n     * Handle form submission response.\n     *\n     * @private\n     * @method _handleFormSubmissionResponse\n     * @param {Array} formdata - submitted values\n     * @param {Integer} nextUserId - optional. The id of the user to load after the form is saved.\n     * @param {Array} response List of errors.\n     * @param {Boolean} nextUser - optional. If true, switch to next user in the grading list.\n     */\n    GradingPanel.prototype._handleFormSubmissionResponse = function(formdata, nextUserId, nextUser, response) {\n        if (typeof nextUserId === \"undefined\") {\n            nextUserId = this._lastUserId;\n        }\n        if (response.length) {\n            // There was an error saving the grade. Re-render the form using the submitted data so we can show\n            // validation errors.\n            $(document).trigger('reset', [this._lastUserId, formdata]);\n        } else {\n            str.get_strings([\n                {key: 'changessaved', component: 'core'},\n                {key: 'gradechangessaveddetail', component: 'mod_assign'},\n            ]).done(function(strs) {\n                notification.alert(strs[0], strs[1]);\n            }).fail(notification.exception);\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            if (nextUserId == this._lastUserId) {\n                $(document).trigger('reset', nextUserId);\n            } else if (nextUser) {\n                $(document).trigger('done-saving-show-next', true);\n            } else {\n                $(document).trigger('user-changed', nextUserId);\n            }\n        }\n        $('[data-region=\"overlay\"]').hide();\n    };\n\n    /**\n     * Refresh form with default values.\n     *\n     * @private\n     * @method _resetForm\n     * @param {Event} e\n     * @param {Integer} userid\n     * @param {Array} formdata\n     */\n    GradingPanel.prototype._resetForm = function(e, userid, formdata) {\n        // The form was cancelled - refresh with default values.\n        var event = $.Event(\"custom\");\n        if (typeof userid == \"undefined\") {\n            userid = this._lastUserId;\n        }\n        this._lastUserId = 0;\n        this._refreshGradingPanel(event, userid, formdata);\n    };\n\n    /**\n     * Open a picker to choose an older attempt.\n     *\n     * @private\n     * @param {Object} e\n     * @method _chooseAttempt\n     */\n    GradingPanel.prototype._chooseAttempt = function(e) {\n        // Show a dialog.\n\n        // The form is in the element pointed to by data-submissions.\n        var link = $(e.target);\n        var submissionsId = link.data('submissions');\n        var submissionsform = $(document.getElementById(submissionsId));\n        var formcopy = submissionsform.clone();\n        var formhtml = formcopy.wrap($('<form/>')).html();\n\n        str.get_strings([\n            {key: 'viewadifferentattempt', component: 'mod_assign'},\n            {key: 'view', component: 'core'},\n            {key: 'cancel', component: 'core'},\n        ]).done(function(strs) {\n            notification.confirm(strs[0], formhtml, strs[1], strs[2], function() {\n                var attemptnumber = $(\"input:radio[name='select-attemptnumber']:checked\").val();\n\n                this._refreshGradingPanel(null, this._lastUserId, '', attemptnumber);\n            }.bind(this));\n        }.bind(this)).fail(notification.exception);\n    };\n\n    /**\n     * Add popout buttons\n     *\n     * @private\n     * @method _addPopoutButtons\n     * @param {JQuery} selector The region selector to add popout buttons to.\n     */\n    GradingPanel.prototype._addPopoutButtons = function(selector) {\n        var region = $(selector);\n\n        templates.render('mod_assign/popout_button', {}).done(function(html) {\n            var parents = region.find('[data-fieldtype=\"filemanager\"],[data-fieldtype=\"editor\"],[data-fieldtype=\"grading\"]')\n                    .closest('.fitem');\n            parents.addClass('has-popout').find('label').parent().append(html);\n\n            region.on('click', '[data-region=\"popout-button\"]', this._togglePopout.bind(this));\n        }.bind(this)).fail(notification.exception);\n    };\n\n    /**\n     * Make a div \"popout\" or \"popback\".\n     *\n     * @private\n     * @method _togglePopout\n     * @param {Event} event\n     */\n    GradingPanel.prototype._togglePopout = function(event) {\n        event.preventDefault();\n        var container = $(event.target).closest('.fitem');\n        if (container.hasClass('popout')) {\n            $('.popout').removeClass('popout');\n        } else {\n            $('.popout').removeClass('popout');\n            container.addClass('popout');\n            container.addClass('moodle-has-zindex');\n        }\n    };\n\n    /**\n     * Get the user context - re-render the template in the page.\n     *\n     * @private\n     * @method _refreshGradingPanel\n     * @param {Event} event\n     * @param {Number} userid\n     * @param {String} submissiondata serialised submission data.\n     * @param {Integer} attemptnumber\n     */\n    GradingPanel.prototype._refreshGradingPanel = function(event, userid, submissiondata, attemptnumber) {\n        var contextid = this._region.attr('data-contextid');\n        if (typeof submissiondata === 'undefined') {\n            submissiondata = '';\n        }\n        if (typeof attemptnumber === 'undefined') {\n            attemptnumber = -1;\n        }\n        // Skip reloading if it is the same user.\n        if (this._lastUserId == userid && this._lastAttemptNumber == attemptnumber && submissiondata === '') {\n            return;\n        }\n        this._lastUserId = userid;\n        this._lastAttemptNumber = attemptnumber;\n        $(document).trigger('start-loading-user');\n        // Tell behat to back off too.\n        window.M.util.js_pending('mod-assign-loading-user');\n        // First insert the loading template.\n        templates.render('mod_assign/loading', {}).done(function(html, js) {\n            // Update the page.\n            this._niceReplaceNodeContents(this._region, html, js).done(function() {\n                if (userid > 0) {\n                    this._region.show();\n                    // Reload the grading form \"fragment\" for this user.\n                    var params = {userid: userid, attemptnumber: attemptnumber, jsonformdata: JSON.stringify(submissiondata)};\n                    fragment.loadFragment('mod_assign', 'gradingpanel', contextid, params).done(function(html, js) {\n                        this._niceReplaceNodeContents(this._region, html, js)\n                        .done(function() {\n                            checker.saveFormState('[data-region=\"grade-panel\"] .gradeform');\n                            $(document).on('editor-content-restored', function() {\n                                // If the editor has some content that has been restored\n                                // then save the form state again for comparison.\n                                checker.saveFormState('[data-region=\"grade-panel\"] .gradeform');\n                            });\n                            $('[data-region=\"attempt-chooser\"]').on('click', this._chooseAttempt.bind(this));\n                            this._addPopoutButtons('[data-region=\"grade-panel\"] .gradeform');\n                            $(document).trigger('finish-loading-user');\n                            // Tell behat we are friends again.\n                            window.M.util.js_complete('mod-assign-loading-user');\n                        }.bind(this))\n                        .fail(notification.exception);\n                    }.bind(this)).fail(notification.exception);\n                    $('[data-region=\"review-panel\"]').show();\n                } else {\n                    this._region.hide();\n                    $('[data-region=\"review-panel\"]').hide();\n                    $(document).trigger('finish-loading-user');\n                    // Tell behat we are friends again.\n                    window.M.util.js_complete('mod-assign-loading-user');\n                }\n            }.bind(this));\n        }.bind(this)).fail(notification.exception);\n    };\n\n    /**\n     * Get next user data and store it in global variables\n     *\n     * @private\n     * @method _getNextUser\n     * @param {Event} event\n     * @param {Object} data Next user's data\n     */\n    GradingPanel.prototype._getNextUser = function(event, data) {\n        this.nextUserId = data.nextUserId;\n        this.nextUser = data.nextUser;\n    };\n\n    /**\n     * Handle the save-and-show-next event\n     *\n     * @private\n     * @method _handleSaveAndShowNext\n     */\n    GradingPanel.prototype._handleSaveAndShowNext = function() {\n        this._submitForm(null, this.nextUserId, this.nextUser);\n    };\n\n    /**\n     * Get the grade panel element.\n     *\n     * @method getPanelElement\n     * @return {jQuery}\n     */\n    GradingPanel.prototype.getPanelElement = function() {\n        return $('[data-region=\"grade-panel\"]');\n    };\n\n    /**\n     * Hide the grade panel.\n     *\n     * @method collapsePanel\n     */\n    GradingPanel.prototype.collapsePanel = function() {\n        this.getPanelElement().addClass('collapsed');\n    };\n\n    /**\n     * Show the grade panel.\n     *\n     * @method expandPanel\n     */\n    GradingPanel.prototype.expandPanel = function() {\n        this.getPanelElement().removeClass('collapsed');\n    };\n\n    /**\n     * Register event listeners for the grade panel.\n     *\n     * @method registerEventListeners\n     */\n    GradingPanel.prototype.registerEventListeners = function() {\n        var docElement = $(document);\n        var region = $(this._region);\n        // Add an event listener to prevent form submission when pressing enter key.\n        region.on('submit', 'form', function(e) {\n            e.preventDefault();\n        });\n\n        docElement.on('next-user', this._getNextUser.bind(this));\n        docElement.on('user-changed', this._refreshGradingPanel.bind(this));\n        docElement.on('save-changes', this._submitForm.bind(this));\n        docElement.on('save-and-show-next', this._handleSaveAndShowNext.bind(this));\n        docElement.on('reset', this._resetForm.bind(this));\n\n        docElement.on('save-form-state', this._saveFormState.bind(this));\n\n        docElement.on(GradingEvents.COLLAPSE_GRADE_PANEL, function() {\n            this.collapsePanel();\n        }.bind(this));\n\n        // We should expand if the review panel is collapsed.\n        docElement.on(GradingEvents.COLLAPSE_REVIEW_PANEL, function() {\n            this.expandPanel();\n        }.bind(this));\n\n        docElement.on(GradingEvents.EXPAND_GRADE_PANEL, function() {\n            this.expandPanel();\n        }.bind(this));\n    };\n\n    return GradingPanel;\n});\n"],"file":"grading_panel.min.js"}
\ No newline at end of file
+{"version":3,"file":"grading_panel.min.js","sources":["../src/grading_panel.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript controller for the \"Grading\" panel at the right of the page.\n *\n * @module     mod_assign/grading_panel\n * @package    mod_assign\n * @class      GradingPanel\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/yui', 'core/notification', 'core/templates', 'core/fragment',\n        'core/ajax', 'core/str', 'mod_assign/grading_form_change_checker',\n        'mod_assign/grading_events', 'core/event'],\n       function($, Y, notification, templates, fragment, ajax, str, checker, GradingEvents, Event) {\n\n    /**\n     * GradingPanel class.\n     *\n     * @class GradingPanel\n     * @param {String} selector The selector for the page region containing the user navigation.\n     */\n    var GradingPanel = function(selector) {\n        this._regionSelector = selector;\n        this._region = $(selector);\n        this._userCache = [];\n\n        this.registerEventListeners();\n    };\n\n    /** @type {String} Selector for the page region containing the user navigation. */\n    GradingPanel.prototype._regionSelector = null;\n\n    /** @type {Integer} Remember the last user id to prevent unnessecary reloads. */\n    GradingPanel.prototype._lastUserId = 0;\n\n    /** @type {Integer} Remember the last attempt number to prevent unnessecary reloads. */\n    GradingPanel.prototype._lastAttemptNumber = -1;\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    GradingPanel.prototype._region = null;\n\n     /** @type {Integer} The id of the next user in the grading list */\n    GradingPanel.prototype.nextUserId = null;\n\n     /** @type {Boolean} Next user exists in the grading list */\n    GradingPanel.prototype.nextUser = false;\n\n    /**\n     * Fade the dom node out, update it, and fade it back.\n     *\n     * @private\n     * @method _niceReplaceNodeContents\n     * @param {JQuery} node\n     * @param {String} html\n     * @param {String} js\n     * @return {Deferred} promise resolved when the animations are complete.\n     */\n    GradingPanel.prototype._niceReplaceNodeContents = function(node, html, js) {\n        var promise = $.Deferred();\n\n        node.fadeOut(\"fast\", function() {\n            templates.replaceNodeContents(node, html, js);\n            node.fadeIn(\"fast\", function() {\n                promise.resolve();\n            });\n        });\n\n        return promise.promise();\n    };\n\n    /**\n     * Make sure all form fields have the latest saved state.\n     * @private\n     * @method _saveFormState\n     */\n    GradingPanel.prototype._saveFormState = function() {\n        // Copy data from notify students checkbox which was moved out of the form.\n        var checked = $('[data-region=\"grading-actions-form\"] [name=\"sendstudentnotifications\"]').prop(\"checked\");\n        $('.gradeform [name=\"sendstudentnotifications\"]').val(checked);\n    };\n\n    /**\n     * Make form submit via ajax.\n     *\n     * @private\n     * @param {Object} event\n     * @param {Integer} nextUserId\n     * @param {Boolean} nextUser optional. Load next user in the grading list.\n     * @method _submitForm\n     */\n    GradingPanel.prototype._submitForm = function(event, nextUserId, nextUser) {\n        // The form was submitted - send it via ajax instead.\n        var form = $(this._region.find('form.gradeform'));\n\n        $('[data-region=\"overlay\"]').show();\n\n        // We call this, so other modules can update the form with the latest state.\n        form.trigger('save-form-state');\n\n        // Tell all form fields we are about to submit the form.\n        Event.notifyFormSubmitAjax(form[0]);\n\n        // Now we get all the current values from the form.\n        var data = form.serialize();\n        var assignmentid = this._region.attr('data-assignmentid');\n\n        // Now we can continue...\n        ajax.call([{\n            methodname: 'mod_assign_submit_grading_form',\n            args: {assignmentid: assignmentid, userid: this._lastUserId, jsonformdata: JSON.stringify(data)},\n            done: this._handleFormSubmissionResponse.bind(this, data, nextUserId, nextUser),\n            fail: notification.exception\n        }]);\n    };\n\n    /**\n     * Handle form submission response.\n     *\n     * @private\n     * @method _handleFormSubmissionResponse\n     * @param {Array} formdata - submitted values\n     * @param {Integer} nextUserId - optional. The id of the user to load after the form is saved.\n     * @param {Array} response List of errors.\n     * @param {Boolean} nextUser - optional. If true, switch to next user in the grading list.\n     */\n    GradingPanel.prototype._handleFormSubmissionResponse = function(formdata, nextUserId, nextUser, response) {\n        if (typeof nextUserId === \"undefined\") {\n            nextUserId = this._lastUserId;\n        }\n        if (response.length) {\n            // There was an error saving the grade. Re-render the form using the submitted data so we can show\n            // validation errors.\n            $(document).trigger('reset', [this._lastUserId, formdata]);\n        } else {\n            str.get_strings([\n                {key: 'changessaved', component: 'core'},\n                {key: 'gradechangessaveddetail', component: 'mod_assign'},\n            ]).done(function(strs) {\n                notification.alert(strs[0], strs[1]);\n            }).fail(notification.exception);\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            if (nextUserId == this._lastUserId) {\n                $(document).trigger('reset', nextUserId);\n            } else if (nextUser) {\n                $(document).trigger('done-saving-show-next', true);\n            } else {\n                $(document).trigger('user-changed', nextUserId);\n            }\n        }\n        $('[data-region=\"overlay\"]').hide();\n    };\n\n    /**\n     * Refresh form with default values.\n     *\n     * @private\n     * @method _resetForm\n     * @param {Event} e\n     * @param {Integer} userid\n     * @param {Array} formdata\n     */\n    GradingPanel.prototype._resetForm = function(e, userid, formdata) {\n        // The form was cancelled - refresh with default values.\n        var event = $.Event(\"custom\");\n        if (typeof userid == \"undefined\") {\n            userid = this._lastUserId;\n        }\n        this._lastUserId = 0;\n        this._refreshGradingPanel(event, userid, formdata);\n    };\n\n    /**\n     * Open a picker to choose an older attempt.\n     *\n     * @private\n     * @param {Object} e\n     * @method _chooseAttempt\n     */\n    GradingPanel.prototype._chooseAttempt = function(e) {\n        // Show a dialog.\n\n        // The form is in the element pointed to by data-submissions.\n        var link = $(e.target);\n        var submissionsId = link.data('submissions');\n        var submissionsform = $(document.getElementById(submissionsId));\n        var formcopy = submissionsform.clone();\n        var formhtml = formcopy.wrap($('<form/>')).html();\n\n        str.get_strings([\n            {key: 'viewadifferentattempt', component: 'mod_assign'},\n            {key: 'view', component: 'core'},\n            {key: 'cancel', component: 'core'},\n        ]).done(function(strs) {\n            notification.confirm(strs[0], formhtml, strs[1], strs[2], function() {\n                var attemptnumber = $(\"input:radio[name='select-attemptnumber']:checked\").val();\n\n                this._refreshGradingPanel(null, this._lastUserId, '', attemptnumber);\n            }.bind(this));\n        }.bind(this)).fail(notification.exception);\n    };\n\n    /**\n     * Add popout buttons\n     *\n     * @private\n     * @method _addPopoutButtons\n     * @param {JQuery} selector The region selector to add popout buttons to.\n     */\n    GradingPanel.prototype._addPopoutButtons = function(selector) {\n        var region = $(selector);\n\n        templates.render('mod_assign/popout_button', {}).done(function(html) {\n            var parents = region.find('[data-fieldtype=\"filemanager\"],[data-fieldtype=\"editor\"],[data-fieldtype=\"grading\"]')\n                    .closest('.fitem');\n            parents.addClass('has-popout').find('label').parent().append(html);\n\n            region.on('click', '[data-region=\"popout-button\"]', this._togglePopout.bind(this));\n        }.bind(this)).fail(notification.exception);\n    };\n\n    /**\n     * Make a div \"popout\" or \"popback\".\n     *\n     * @private\n     * @method _togglePopout\n     * @param {Event} event\n     */\n    GradingPanel.prototype._togglePopout = function(event) {\n        event.preventDefault();\n        var container = $(event.target).closest('.fitem');\n        if (container.hasClass('popout')) {\n            $('.popout').removeClass('popout');\n        } else {\n            $('.popout').removeClass('popout');\n            container.addClass('popout');\n            container.addClass('moodle-has-zindex');\n        }\n    };\n\n    /**\n     * Get the user context - re-render the template in the page.\n     *\n     * @private\n     * @method _refreshGradingPanel\n     * @param {Event} event\n     * @param {Number} userid\n     * @param {String} submissiondata serialised submission data.\n     * @param {Integer} attemptnumber\n     */\n    GradingPanel.prototype._refreshGradingPanel = function(event, userid, submissiondata, attemptnumber) {\n        var contextid = this._region.attr('data-contextid');\n        if (typeof submissiondata === 'undefined') {\n            submissiondata = '';\n        }\n        if (typeof attemptnumber === 'undefined') {\n            attemptnumber = -1;\n        }\n        // Skip reloading if it is the same user.\n        if (this._lastUserId == userid && this._lastAttemptNumber == attemptnumber && submissiondata === '') {\n            return;\n        }\n        this._lastUserId = userid;\n        this._lastAttemptNumber = attemptnumber;\n        $(document).trigger('start-loading-user');\n        // Tell behat to back off too.\n        window.M.util.js_pending('mod-assign-loading-user');\n        // First insert the loading template.\n        templates.render('mod_assign/loading', {}).done(function(html, js) {\n            // Update the page.\n            this._niceReplaceNodeContents(this._region, html, js).done(function() {\n                if (userid > 0) {\n                    this._region.show();\n                    // Reload the grading form \"fragment\" for this user.\n                    var params = {userid: userid, attemptnumber: attemptnumber, jsonformdata: JSON.stringify(submissiondata)};\n                    fragment.loadFragment('mod_assign', 'gradingpanel', contextid, params).done(function(html, js) {\n                        this._niceReplaceNodeContents(this._region, html, js)\n                        .done(function() {\n                            checker.saveFormState('[data-region=\"grade-panel\"] .gradeform');\n                            $(document).on('editor-content-restored', function() {\n                                // If the editor has some content that has been restored\n                                // then save the form state again for comparison.\n                                checker.saveFormState('[data-region=\"grade-panel\"] .gradeform');\n                            });\n                            $('[data-region=\"attempt-chooser\"]').on('click', this._chooseAttempt.bind(this));\n                            this._addPopoutButtons('[data-region=\"grade-panel\"] .gradeform');\n                            $(document).trigger('finish-loading-user');\n                            // Tell behat we are friends again.\n                            window.M.util.js_complete('mod-assign-loading-user');\n                        }.bind(this))\n                        .fail(notification.exception);\n                    }.bind(this)).fail(notification.exception);\n                    $('[data-region=\"review-panel\"]').show();\n                } else {\n                    this._region.hide();\n                    $('[data-region=\"review-panel\"]').hide();\n                    $(document).trigger('finish-loading-user');\n                    // Tell behat we are friends again.\n                    window.M.util.js_complete('mod-assign-loading-user');\n                }\n            }.bind(this));\n        }.bind(this)).fail(notification.exception);\n    };\n\n    /**\n     * Get next user data and store it in global variables\n     *\n     * @private\n     * @method _getNextUser\n     * @param {Event} event\n     * @param {Object} data Next user's data\n     */\n    GradingPanel.prototype._getNextUser = function(event, data) {\n        this.nextUserId = data.nextUserId;\n        this.nextUser = data.nextUser;\n    };\n\n    /**\n     * Handle the save-and-show-next event\n     *\n     * @private\n     * @method _handleSaveAndShowNext\n     */\n    GradingPanel.prototype._handleSaveAndShowNext = function() {\n        this._submitForm(null, this.nextUserId, this.nextUser);\n    };\n\n    /**\n     * Get the grade panel element.\n     *\n     * @method getPanelElement\n     * @return {jQuery}\n     */\n    GradingPanel.prototype.getPanelElement = function() {\n        return $('[data-region=\"grade-panel\"]');\n    };\n\n    /**\n     * Hide the grade panel.\n     *\n     * @method collapsePanel\n     */\n    GradingPanel.prototype.collapsePanel = function() {\n        this.getPanelElement().addClass('collapsed');\n    };\n\n    /**\n     * Show the grade panel.\n     *\n     * @method expandPanel\n     */\n    GradingPanel.prototype.expandPanel = function() {\n        this.getPanelElement().removeClass('collapsed');\n    };\n\n    /**\n     * Register event listeners for the grade panel.\n     *\n     * @method registerEventListeners\n     */\n    GradingPanel.prototype.registerEventListeners = function() {\n        var docElement = $(document);\n        var region = $(this._region);\n        // Add an event listener to prevent form submission when pressing enter key.\n        region.on('submit', 'form', function(e) {\n            e.preventDefault();\n        });\n\n        docElement.on('next-user', this._getNextUser.bind(this));\n        docElement.on('user-changed', this._refreshGradingPanel.bind(this));\n        docElement.on('save-changes', this._submitForm.bind(this));\n        docElement.on('save-and-show-next', this._handleSaveAndShowNext.bind(this));\n        docElement.on('reset', this._resetForm.bind(this));\n\n        docElement.on('save-form-state', this._saveFormState.bind(this));\n\n        docElement.on(GradingEvents.COLLAPSE_GRADE_PANEL, function() {\n            this.collapsePanel();\n        }.bind(this));\n\n        // We should expand if the review panel is collapsed.\n        docElement.on(GradingEvents.COLLAPSE_REVIEW_PANEL, function() {\n            this.expandPanel();\n        }.bind(this));\n\n        docElement.on(GradingEvents.EXPAND_GRADE_PANEL, function() {\n            this.expandPanel();\n        }.bind(this));\n    };\n\n    return GradingPanel;\n});\n"],"names":["define","$","Y","notification","templates","fragment","ajax","str","checker","GradingEvents","Event","GradingPanel","selector","_regionSelector","_region","_userCache","registerEventListeners","prototype","_lastUserId","_lastAttemptNumber","nextUserId","nextUser","_niceReplaceNodeContents","node","html","js","promise","Deferred","fadeOut","replaceNodeContents","fadeIn","resolve","_saveFormState","checked","prop","val","_submitForm","event","form","this","find","show","trigger","notifyFormSubmitAjax","data","serialize","assignmentid","attr","call","methodname","args","userid","jsonformdata","JSON","stringify","done","_handleFormSubmissionResponse","bind","fail","exception","formdata","response","length","document","get_strings","key","component","strs","alert","use","M","core_formchangechecker","reset_form_dirty_state","hide","_resetForm","e","_refreshGradingPanel","_chooseAttempt","submissionsId","target","formhtml","getElementById","clone","wrap","confirm","attemptnumber","_addPopoutButtons","region","render","closest","addClass","parent","append","on","_togglePopout","preventDefault","container","hasClass","removeClass","submissiondata","contextid","window","util","js_pending","params","loadFragment","saveFormState","js_complete","_getNextUser","_handleSaveAndShowNext","getPanelElement","collapsePanel","expandPanel","docElement","COLLAPSE_GRADE_PANEL","COLLAPSE_REVIEW_PANEL","EXPAND_GRADE_PANEL"],"mappings":";;;;;;;;;;AAyBAA,kCAAO,CAAC,SAAU,WAAY,oBAAqB,iBAAkB,gBAC7D,YAAa,WAAY,yCACzB,4BAA6B,eAC9B,SAASC,EAAGC,EAAGC,aAAcC,UAAWC,SAAUC,KAAMC,IAAKC,QAASC,cAAeC,WAQpFC,aAAe,SAASC,eACnBC,gBAAkBD,cAClBE,QAAUb,EAAEW,eACZG,WAAa,QAEbC,iCAITL,aAAaM,UAAUJ,gBAAkB,KAGzCF,aAAaM,UAAUC,YAAc,EAGrCP,aAAaM,UAAUE,oBAAsB,EAG7CR,aAAaM,UAAUH,QAAU,KAGjCH,aAAaM,UAAUG,WAAa,KAGpCT,aAAaM,UAAUI,UAAW,EAYlCV,aAAaM,UAAUK,yBAA2B,SAASC,KAAMC,KAAMC,QAC/DC,QAAUzB,EAAE0B,kBAEhBJ,KAAKK,QAAQ,QAAQ,WACjBxB,UAAUyB,oBAAoBN,KAAMC,KAAMC,IAC1CF,KAAKO,OAAO,QAAQ,WAChBJ,QAAQK,gBAITL,QAAQA,WAQnBf,aAAaM,UAAUe,eAAiB,eAEhCC,QAAUhC,EAAE,0EAA0EiC,KAAK,WAC/FjC,EAAE,gDAAgDkC,IAAIF,UAY1DtB,aAAaM,UAAUmB,YAAc,SAASC,MAAOjB,WAAYC,cAEzDiB,KAAOrC,EAAEsC,KAAKzB,QAAQ0B,KAAK,mBAE/BvC,EAAE,2BAA2BwC,OAG7BH,KAAKI,QAAQ,mBAGbhC,MAAMiC,qBAAqBL,KAAK,QAG5BM,KAAON,KAAKO,YACZC,aAAeP,KAAKzB,QAAQiC,KAAK,qBAGrCzC,KAAK0C,KAAK,CAAC,CACPC,WAAY,iCACZC,KAAM,CAACJ,aAAcA,aAAcK,OAAQZ,KAAKrB,YAAakC,aAAcC,KAAKC,UAAUV,OAC1FW,KAAMhB,KAAKiB,8BAA8BC,KAAKlB,KAAMK,KAAMxB,WAAYC,UACtEqC,KAAMvD,aAAawD,cAc3BhD,aAAaM,UAAUuC,8BAAgC,SAASI,SAAUxC,WAAYC,SAAUwC,eAClE,IAAfzC,aACPA,WAAamB,KAAKrB,aAElB2C,SAASC,OAGT7D,EAAE8D,UAAUrB,QAAQ,QAAS,CAACH,KAAKrB,YAAa0C,YAEhDrD,IAAIyD,YAAY,CACZ,CAACC,IAAK,eAAgBC,UAAW,QACjC,CAACD,IAAK,0BAA2BC,UAAW,gBAC7CX,MAAK,SAASY,MACbhE,aAAaiE,MAAMD,KAAK,GAAIA,KAAK,OAClCT,KAAKvD,aAAawD,WACrBzD,EAAEmE,IAAI,iCAAiC,WACnCC,EAAEC,uBAAuBC,4BAEzBpD,YAAcmB,KAAKrB,YACnBjB,EAAE8D,UAAUrB,QAAQ,QAAStB,YACtBC,SACPpB,EAAE8D,UAAUrB,QAAQ,yBAAyB,GAE7CzC,EAAE8D,UAAUrB,QAAQ,eAAgBtB,aAG5CnB,EAAE,2BAA2BwE,QAYjC9D,aAAaM,UAAUyD,WAAa,SAASC,EAAGxB,OAAQS,cAEhDvB,MAAQpC,EAAES,MAAM,eACC,IAAVyC,SACPA,OAASZ,KAAKrB,kBAEbA,YAAc,OACd0D,qBAAqBvC,MAAOc,OAAQS,WAU7CjD,aAAaM,UAAU4D,eAAiB,SAASF,OAKzCG,cADO7E,EAAE0E,EAAEI,QACUnC,KAAK,eAG1BoC,SAFkB/E,EAAE8D,SAASkB,eAAeH,gBACjBI,QACPC,KAAKlF,EAAE,YAAYuB,OAE3CjB,IAAIyD,YAAY,CACZ,CAACC,IAAK,wBAAyBC,UAAW,cAC1C,CAACD,IAAK,OAAQC,UAAW,QACzB,CAACD,IAAK,SAAUC,UAAW,UAC5BX,KAAK,SAASY,MACbhE,aAAaiF,QAAQjB,KAAK,GAAIa,SAAUb,KAAK,GAAIA,KAAK,GAAI,eAClDkB,cAAgBpF,EAAE,oDAAoDkC,WAErEyC,qBAAqB,KAAMrC,KAAKrB,YAAa,GAAImE,gBACxD5B,KAAKlB,QACTkB,KAAKlB,OAAOmB,KAAKvD,aAAawD,YAUpChD,aAAaM,UAAUqE,kBAAoB,SAAS1E,cAC5C2E,OAAStF,EAAEW,UAEfR,UAAUoF,OAAO,2BAA4B,IAAIjC,KAAK,SAAS/B,MAC7C+D,OAAO/C,KAAK,uFACjBiD,QAAQ,UACTC,SAAS,cAAclD,KAAK,SAASmD,SAASC,OAAOpE,MAE7D+D,OAAOM,GAAG,QAAS,gCAAiCtD,KAAKuD,cAAcrC,KAAKlB,QAC9EkB,KAAKlB,OAAOmB,KAAKvD,aAAawD,YAUpChD,aAAaM,UAAU6E,cAAgB,SAASzD,OAC5CA,MAAM0D,qBACFC,UAAY/F,EAAEoC,MAAM0C,QAAQU,QAAQ,UACpCO,UAAUC,SAAS,UACnBhG,EAAE,WAAWiG,YAAY,WAEzBjG,EAAE,WAAWiG,YAAY,UACzBF,UAAUN,SAAS,UACnBM,UAAUN,SAAS,uBAc3B/E,aAAaM,UAAU2D,qBAAuB,SAASvC,MAAOc,OAAQgD,eAAgBd,mBAC9Ee,UAAY7D,KAAKzB,QAAQiC,KAAK,uBACJ,IAAnBoD,iBACPA,eAAiB,SAEQ,IAAlBd,gBACPA,eAAiB,GAGjB9C,KAAKrB,aAAeiC,QAAUZ,KAAKpB,oBAAsBkE,eAAoC,KAAnBc,sBAGzEjF,YAAciC,YACdhC,mBAAqBkE,cAC1BpF,EAAE8D,UAAUrB,QAAQ,sBAEpB2D,OAAO/B,EAAEgC,KAAKC,WAAW,2BAEzBnG,UAAUoF,OAAO,qBAAsB,IAAIjC,KAAK,SAAS/B,KAAMC,SAEtDH,yBAAyBiB,KAAKzB,QAASU,KAAMC,IAAI8B,KAAK,cACnDJ,OAAS,EAAG,MACPrC,QAAQ2B,WAET+D,OAAS,CAACrD,OAAQA,OAAQkC,cAAeA,cAAejC,aAAcC,KAAKC,UAAU6C,iBACzF9F,SAASoG,aAAa,aAAc,eAAgBL,UAAWI,QAAQjD,KAAK,SAAS/B,KAAMC,SAClFH,yBAAyBiB,KAAKzB,QAASU,KAAMC,IACjD8B,KAAK,WACF/C,QAAQkG,cAAc,0CACtBzG,EAAE8D,UAAU8B,GAAG,2BAA2B,WAGtCrF,QAAQkG,cAAc,6CAE1BzG,EAAE,mCAAmC4F,GAAG,QAAStD,KAAKsC,eAAepB,KAAKlB,YACrE+C,kBAAkB,0CACvBrF,EAAE8D,UAAUrB,QAAQ,uBAEpB2D,OAAO/B,EAAEgC,KAAKK,YAAY,4BAC5BlD,KAAKlB,OACNmB,KAAKvD,aAAawD,YACrBF,KAAKlB,OAAOmB,KAAKvD,aAAawD,WAChC1D,EAAE,gCAAgCwC,iBAE7B3B,QAAQ2D,OACbxE,EAAE,gCAAgCwE,OAClCxE,EAAE8D,UAAUrB,QAAQ,uBAE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\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_review_panel.min.js b/mod/assign/amd/build/grading_review_panel.min.js
index 9e99ba73c46..32901689c26 100644
--- a/mod/assign/amd/build/grading_review_panel.min.js
+++ b/mod/assign/amd/build/grading_review_panel.min.js
@@ -1,2 +1,13 @@
-define ("mod_assign/grading_review_panel",["jquery","mod_assign/grading_events"],function(a,b){var c=function(){this._region=a("[data-region=\"review-panel-content\"]");this.registerEventListeners()};c.prototype._region=null;c.prototype.getReviewPanel=function(a){var b=this._region.data("panel-owner");if("undefined"==typeof b){this._region.data("review-panel-plugin",a)}if(this._region.data("review-panel-plugin")==a){return this._region[0]}return!1};c.prototype.getTogglePanelButton=function(){return this.getPanelElement().find("[data-region=\"review-panel-toggle\"]")};c.prototype.getPanelElement=function(){return a("[data-region=\"review-panel\"]")};c.prototype.getPanelContentElement=function(){return a("[data-region=\"review-panel-content\"]")};c.prototype.togglePanel=function(){if(this.getPanelElement().hasClass("collapsed")){a(document).trigger(b.EXPAND_REVIEW_PANEL)}else{a(document).trigger(b.COLLAPSE_REVIEW_PANEL)}};c.prototype.collapsePanel=function(){this.getPanelElement().addClass("collapsed").removeClass("grade-panel-collapsed");this.getPanelContentElement().attr("aria-hidden",!0)};c.prototype.expandPanel=function(){this.getPanelElement().removeClass("collapsed");this.getPanelContentElement().removeAttr("aria-hidden")};c.prototype.registerEventListeners=function(){var c=this.getTogglePanelButton();c.click(function(a){this.togglePanel();a.preventDefault()}.bind(this));c.keydown(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(13===a.keyCode||32===a.keyCode){this.togglePanel();a.preventDefault()}}}.bind(this));var d=a(document);d.on(b.COLLAPSE_REVIEW_PANEL,function(){this.collapsePanel()}.bind(this));d.on(b.COLLAPSE_GRADE_PANEL,function(){this.expandPanel();this.getPanelElement().addClass("grade-panel-collapsed")}.bind(this));d.on(b.EXPAND_REVIEW_PANEL,function(){this.expandPanel()}.bind(this));d.on(b.EXPAND_GRADE_PANEL,function(){this.getPanelElement().removeClass("grade-panel-collapsed")}.bind(this))};return c});
-//# sourceMappingURL=grading_review_panel.min.js.map
+/**
+ * Javascript controller for the "Review" panel at the left of the page.
+ *
+ * @module     mod_assign/grading_review_panel
+ * @package    mod_assign
+ * @class      GradingReviewPanel
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_assign/grading_review_panel",["jquery","mod_assign/grading_events"],(function($,GradingEvents){var GradingReviewPanel=function(){this._region=$('[data-region="review-panel-content"]'),this.registerEventListeners()};return GradingReviewPanel.prototype._region=null,GradingReviewPanel.prototype.getReviewPanel=function(pluginname){return void 0===this._region.data("panel-owner")&&this._region.data("review-panel-plugin",pluginname),this._region.data("review-panel-plugin")==pluginname&&this._region[0]},GradingReviewPanel.prototype.getTogglePanelButton=function(){return this.getPanelElement().find('[data-region="review-panel-toggle"]')},GradingReviewPanel.prototype.getPanelElement=function(){return $('[data-region="review-panel"]')},GradingReviewPanel.prototype.getPanelContentElement=function(){return $('[data-region="review-panel-content"]')},GradingReviewPanel.prototype.togglePanel=function(){this.getPanelElement().hasClass("collapsed")?$(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL):$(document).trigger(GradingEvents.COLLAPSE_REVIEW_PANEL)},GradingReviewPanel.prototype.collapsePanel=function(){this.getPanelElement().addClass("collapsed").removeClass("grade-panel-collapsed"),this.getPanelContentElement().attr("aria-hidden",!0)},GradingReviewPanel.prototype.expandPanel=function(){this.getPanelElement().removeClass("collapsed"),this.getPanelContentElement().removeAttr("aria-hidden")},GradingReviewPanel.prototype.registerEventListeners=function(){var toggleReviewPanelButton=this.getTogglePanelButton();toggleReviewPanelButton.click(function(e){this.togglePanel(),e.preventDefault()}.bind(this)),toggleReviewPanelButton.keydown(function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||13!==e.keyCode&&32!==e.keyCode||(this.togglePanel(),e.preventDefault())}.bind(this));var docElement=$(document);docElement.on(GradingEvents.COLLAPSE_REVIEW_PANEL,function(){this.collapsePanel()}.bind(this)),docElement.on(GradingEvents.COLLAPSE_GRADE_PANEL,function(){this.expandPanel(),this.getPanelElement().addClass("grade-panel-collapsed")}.bind(this)),docElement.on(GradingEvents.EXPAND_REVIEW_PANEL,function(){this.expandPanel()}.bind(this)),docElement.on(GradingEvents.EXPAND_GRADE_PANEL,function(){this.getPanelElement().removeClass("grade-panel-collapsed")}.bind(this))},GradingReviewPanel}));
+
+//# sourceMappingURL=grading_review_panel.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/grading_review_panel.min.js.map b/mod/assign/amd/build/grading_review_panel.min.js.map
index f5b37d2e76b..293f1f62ba3 100644
--- a/mod/assign/amd/build/grading_review_panel.min.js.map
+++ b/mod/assign/amd/build/grading_review_panel.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript controller for the \"Review\" panel at the left of the page.\n *\n * @module     mod_assign/grading_review_panel\n * @package    mod_assign\n * @class      GradingReviewPanel\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'mod_assign/grading_events'], function($, GradingEvents) {\n\n    /**\n     * GradingReviewPanel class.\n     *\n     * @class GradingReviewPanel\n     * @param {String} selector The selector for the page region containing the user navigation.\n     */\n    var GradingReviewPanel = function() {\n        this._region = $('[data-region=\"review-panel-content\"]');\n        this.registerEventListeners();\n    };\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    GradingReviewPanel.prototype._region = null;\n\n    /**\n     * It is first come first served to get ownership of the grading review panel.\n     * There can be only one.\n     *\n     * @public\n     * @method getReviewPanel\n     * @param {String} pluginname - the first plugin to ask for the panel gets it.\n     * @return {DOMNode} or false\n     */\n    GradingReviewPanel.prototype.getReviewPanel = function(pluginname) {\n        var owner = this._region.data('panel-owner');\n        if (typeof owner == \"undefined\") {\n            this._region.data('review-panel-plugin', pluginname);\n        }\n        if (this._region.data('review-panel-plugin') == pluginname) {\n            return this._region[0];\n        }\n        return false;\n    };\n\n    /**\n     * Get the toggle review panel button.\n     *\n     * @method getTogglePanelButton\n     * @return {jQuery}\n     */\n    GradingReviewPanel.prototype.getTogglePanelButton = function() {\n        return this.getPanelElement().find('[data-region=\"review-panel-toggle\"]');\n    };\n\n    /**\n     * Get the review panel element.\n     *\n     * @method getPanelElement\n     * @return {jQuery}\n     */\n    GradingReviewPanel.prototype.getPanelElement = function() {\n        return $('[data-region=\"review-panel\"]');\n    };\n\n    /**\n     * Get the review panel content element.\n     *\n     * @method getPanelContentElement\n     * @return {jQuery}\n     */\n    GradingReviewPanel.prototype.getPanelContentElement = function() {\n        return $('[data-region=\"review-panel-content\"]');\n    };\n\n    /**\n     * Show/Hide the review panel.\n     *\n     * @method togglePanel\n     */\n    GradingReviewPanel.prototype.togglePanel = function() {\n        if (this.getPanelElement().hasClass('collapsed')) {\n            $(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL);\n        } else {\n            $(document).trigger(GradingEvents.COLLAPSE_REVIEW_PANEL);\n        }\n    };\n\n    /**\n     * Hide the review panel.\n     *\n     * @method collapsePanel\n     */\n    GradingReviewPanel.prototype.collapsePanel = function() {\n        this.getPanelElement().addClass('collapsed').removeClass('grade-panel-collapsed');\n        this.getPanelContentElement().attr('aria-hidden', true);\n    };\n\n    /**\n     * Show the review panel.\n     *\n     * @method expandPanel\n     */\n    GradingReviewPanel.prototype.expandPanel = function() {\n        this.getPanelElement().removeClass('collapsed');\n        this.getPanelContentElement().removeAttr('aria-hidden');\n    };\n\n    /**\n     * Register event listeners for the review panel.\n     *\n     * @method registerEventListeners\n     */\n    GradingReviewPanel.prototype.registerEventListeners = function() {\n        var toggleReviewPanelButton = this.getTogglePanelButton();\n        toggleReviewPanelButton.click(function(e) {\n            this.togglePanel();\n            e.preventDefault();\n        }.bind(this));\n\n        toggleReviewPanelButton.keydown(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode === 13 || e.keyCode === 32) {\n                    this.togglePanel();\n                    e.preventDefault();\n                }\n            }\n        }.bind(this));\n\n        var docElement = $(document);\n        docElement.on(GradingEvents.COLLAPSE_REVIEW_PANEL, function() {\n            this.collapsePanel();\n        }.bind(this));\n\n        // Need special styling when grade panel is collapsed.\n        docElement.on(GradingEvents.COLLAPSE_GRADE_PANEL, function() {\n            this.expandPanel();\n            this.getPanelElement().addClass('grade-panel-collapsed');\n        }.bind(this));\n\n        docElement.on(GradingEvents.EXPAND_REVIEW_PANEL, function() {\n            this.expandPanel();\n        }.bind(this));\n\n        docElement.on(GradingEvents.EXPAND_GRADE_PANEL, function() {\n            this.getPanelElement().removeClass('grade-panel-collapsed');\n        }.bind(this));\n    };\n\n    return GradingReviewPanel;\n});\n"],"file":"grading_review_panel.min.js"}
\ No newline at end of file
+{"version":3,"file":"grading_review_panel.min.js","sources":["../src/grading_review_panel.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript controller for the \"Review\" panel at the left of the page.\n *\n * @module     mod_assign/grading_review_panel\n * @package    mod_assign\n * @class      GradingReviewPanel\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'mod_assign/grading_events'], function($, GradingEvents) {\n\n    /**\n     * GradingReviewPanel class.\n     *\n     * @class GradingReviewPanel\n     * @param {String} selector The selector for the page region containing the user navigation.\n     */\n    var GradingReviewPanel = function() {\n        this._region = $('[data-region=\"review-panel-content\"]');\n        this.registerEventListeners();\n    };\n\n    /** @type {JQuery} JQuery node for the page region containing the user navigation. */\n    GradingReviewPanel.prototype._region = null;\n\n    /**\n     * It is first come first served to get ownership of the grading review panel.\n     * There can be only one.\n     *\n     * @public\n     * @method getReviewPanel\n     * @param {String} pluginname - the first plugin to ask for the panel gets it.\n     * @return {DOMNode} or false\n     */\n    GradingReviewPanel.prototype.getReviewPanel = function(pluginname) {\n        var owner = this._region.data('panel-owner');\n        if (typeof owner == \"undefined\") {\n            this._region.data('review-panel-plugin', pluginname);\n        }\n        if (this._region.data('review-panel-plugin') == pluginname) {\n            return this._region[0];\n        }\n        return false;\n    };\n\n    /**\n     * Get the toggle review panel button.\n     *\n     * @method getTogglePanelButton\n     * @return {jQuery}\n     */\n    GradingReviewPanel.prototype.getTogglePanelButton = function() {\n        return this.getPanelElement().find('[data-region=\"review-panel-toggle\"]');\n    };\n\n    /**\n     * Get the review panel element.\n     *\n     * @method getPanelElement\n     * @return {jQuery}\n     */\n    GradingReviewPanel.prototype.getPanelElement = function() {\n        return $('[data-region=\"review-panel\"]');\n    };\n\n    /**\n     * Get the review panel content element.\n     *\n     * @method getPanelContentElement\n     * @return {jQuery}\n     */\n    GradingReviewPanel.prototype.getPanelContentElement = function() {\n        return $('[data-region=\"review-panel-content\"]');\n    };\n\n    /**\n     * Show/Hide the review panel.\n     *\n     * @method togglePanel\n     */\n    GradingReviewPanel.prototype.togglePanel = function() {\n        if (this.getPanelElement().hasClass('collapsed')) {\n            $(document).trigger(GradingEvents.EXPAND_REVIEW_PANEL);\n        } else {\n            $(document).trigger(GradingEvents.COLLAPSE_REVIEW_PANEL);\n        }\n    };\n\n    /**\n     * Hide the review panel.\n     *\n     * @method collapsePanel\n     */\n    GradingReviewPanel.prototype.collapsePanel = function() {\n        this.getPanelElement().addClass('collapsed').removeClass('grade-panel-collapsed');\n        this.getPanelContentElement().attr('aria-hidden', true);\n    };\n\n    /**\n     * Show the review panel.\n     *\n     * @method expandPanel\n     */\n    GradingReviewPanel.prototype.expandPanel = function() {\n        this.getPanelElement().removeClass('collapsed');\n        this.getPanelContentElement().removeAttr('aria-hidden');\n    };\n\n    /**\n     * Register event listeners for the review panel.\n     *\n     * @method registerEventListeners\n     */\n    GradingReviewPanel.prototype.registerEventListeners = function() {\n        var toggleReviewPanelButton = this.getTogglePanelButton();\n        toggleReviewPanelButton.click(function(e) {\n            this.togglePanel();\n            e.preventDefault();\n        }.bind(this));\n\n        toggleReviewPanelButton.keydown(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode === 13 || e.keyCode === 32) {\n                    this.togglePanel();\n                    e.preventDefault();\n                }\n            }\n        }.bind(this));\n\n        var docElement = $(document);\n        docElement.on(GradingEvents.COLLAPSE_REVIEW_PANEL, function() {\n            this.collapsePanel();\n        }.bind(this));\n\n        // Need special styling when grade panel is collapsed.\n        docElement.on(GradingEvents.COLLAPSE_GRADE_PANEL, function() {\n            this.expandPanel();\n            this.getPanelElement().addClass('grade-panel-collapsed');\n        }.bind(this));\n\n        docElement.on(GradingEvents.EXPAND_REVIEW_PANEL, function() {\n            this.expandPanel();\n        }.bind(this));\n\n        docElement.on(GradingEvents.EXPAND_GRADE_PANEL, function() {\n            this.getPanelElement().removeClass('grade-panel-collapsed');\n        }.bind(this));\n    };\n\n    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\ No newline at end of file
diff --git a/mod/assign/amd/build/override_form.min.js b/mod/assign/amd/build/override_form.min.js
index ccd2cf21838..79d6fa47737 100644
--- a/mod/assign/amd/build/override_form.min.js
+++ b/mod/assign/amd/build/override_form.min.js
@@ -1,2 +1,9 @@
-define ("mod_assign/override_form",["exports","jquery"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);var c=function(a,c){var d=document.getElementById(a),e=d.querySelector("[name=\"".concat(c,"\"]"));(0,b.default)(e).on("change",function(){var a=document.createElement("input");a.setAttribute("type","hidden");a.setAttribute("name","userchange");a.setAttribute("value",!0);d.appendChild(a);if("undefined"!=typeof M.core_formchangechecker){M.core_formchangechecker.reset_form_dirty_state()}d.submit()})};a.init=c});
-//# sourceMappingURL=override_form.min.js.map
+define("mod_assign/override_form",["exports","jquery"],(function(_exports,_jquery){var obj;
+/**
+   * A javascript module to enhance the override form.
+   *
+   * @copyright  2019 Ryan Wyllie <ryan@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};_exports.init=function(formId,selectElementName){var form=document.getElementById(formId),selectElement=form.querySelector('[name="'.concat(selectElementName,'"]'));(0,_jquery.default)(selectElement).on("change",(function(){var inputElement=document.createElement("input");inputElement.setAttribute("type","hidden"),inputElement.setAttribute("name","userchange"),inputElement.setAttribute("value",!0),form.appendChild(inputElement),void 0!==M.core_formchangechecker&&M.core_formchangechecker.reset_form_dirty_state(),form.submit()}))}}));
+
+//# sourceMappingURL=override_form.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/override_form.min.js.map b/mod/assign/amd/build/override_form.min.js.map
index e979bf53bf1..e730d15810c 100644
--- a/mod/assign/amd/build/override_form.min.js.map
+++ b/mod/assign/amd/build/override_form.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/override_form.js"],"names":["init","formId","selectElementName","form","document","getElementById","selectElement","querySelector","on","inputElement","createElement","setAttribute","appendChild","M","core_formchangechecker","reset_form_dirty_state","submit"],"mappings":"kJAsBA,uDAEO,GAAMA,CAAAA,CAAI,CAAG,SAACC,CAAD,CAASC,CAAT,CAA+B,IACzCC,CAAAA,CAAI,CAAGC,QAAQ,CAACC,cAAT,CAAwBJ,CAAxB,CADkC,CAEzCK,CAAa,CAAGH,CAAI,CAACI,aAAL,mBAA6BL,CAA7B,QAFyB,CAI/C,cAAEI,CAAF,EAAiBE,EAAjB,CAAoB,QAApB,CAA8B,UAAM,CAChC,GAAMC,CAAAA,CAAY,CAAGL,QAAQ,CAACM,aAAT,CAAuB,OAAvB,CAArB,CACAD,CAAY,CAACE,YAAb,CAA0B,MAA1B,CAAkC,QAAlC,EACAF,CAAY,CAACE,YAAb,CAA0B,MAA1B,CAAkC,YAAlC,EACAF,CAAY,CAACE,YAAb,CAA0B,OAA1B,KAEAR,CAAI,CAACS,WAAL,CAAiBH,CAAjB,EAEA,GAAwC,WAApC,QAAOI,CAAAA,CAAC,CAACC,sBAAb,CAAqD,CACjDD,CAAC,CAACC,sBAAF,CAAyBC,sBAAzB,EACH,CAEDZ,CAAI,CAACa,MAAL,EACH,CAbD,CAcH,CAlBM,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to enhance the override form.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\n\nexport const init = (formId, selectElementName) => {\n    const form = document.getElementById(formId);\n    const selectElement = form.querySelector(`[name=\"${selectElementName}\"]`);\n\n    $(selectElement).on('change', () => {\n        const inputElement = document.createElement('input');\n        inputElement.setAttribute('type', 'hidden');\n        inputElement.setAttribute('name', 'userchange');\n        inputElement.setAttribute('value', true);\n\n        form.appendChild(inputElement);\n\n        if (typeof M.core_formchangechecker !== 'undefined') {\n            M.core_formchangechecker.reset_form_dirty_state();\n        }\n\n        form.submit();\n    });\n};"],"file":"override_form.min.js"}
\ No newline at end of file
+{"version":3,"file":"override_form.min.js","sources":["../src/override_form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to enhance the override form.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\n\nexport const init = (formId, selectElementName) => {\n    const form = document.getElementById(formId);\n    const selectElement = form.querySelector(`[name=\"${selectElementName}\"]`);\n\n    $(selectElement).on('change', () => {\n        const inputElement = document.createElement('input');\n        inputElement.setAttribute('type', 'hidden');\n        inputElement.setAttribute('name', 'userchange');\n        inputElement.setAttribute('value', true);\n\n        form.appendChild(inputElement);\n\n        if (typeof M.core_formchangechecker !== 'undefined') {\n            M.core_formchangechecker.reset_form_dirty_state();\n        }\n\n        form.submit();\n    });\n};"],"names":["formId","selectElementName","form","document","getElementById","selectElement","querySelector","on","inputElement","createElement","setAttribute","appendChild","M","core_formchangechecker","reset_form_dirty_state","submit"],"mappings":";;;;;;wJAwBoB,SAACA,OAAQC,uBACnBC,KAAOC,SAASC,eAAeJ,QAC/BK,cAAgBH,KAAKI,+BAAwBL,6CAEjDI,eAAeE,GAAG,UAAU,eACpBC,aAAeL,SAASM,cAAc,SAC5CD,aAAaE,aAAa,OAAQ,UAClCF,aAAaE,aAAa,OAAQ,cAClCF,aAAaE,aAAa,SAAS,GAEnCR,KAAKS,YAAYH,mBAEuB,IAA7BI,EAAEC,wBACTD,EAAEC,uBAAuBC,yBAG7BZ,KAAKa"}
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diff --git a/mod/assign/amd/build/participant_selector.min.js b/mod/assign/amd/build/participant_selector.min.js
index 975e03750a8..a5cc97fc808 100644
--- a/mod/assign/amd/build/participant_selector.min.js
+++ b/mod/assign/amd/build/participant_selector.min.js
@@ -1,2 +1,10 @@
-define ("mod_assign/participant_selector",["core/ajax","jquery","core/templates"],function(a,b,c){return{processResults:function processResults(a,b){return b},transport:function transport(d,e,f,g){var h=b(d).attr("data-assignmentid"),i=b(d).attr("data-groupid"),j=b("[data-region=\"configure-filters\"] input[type=\"checkbox\"]"),k=[];j.each(function(a,c){k[b(c).attr("name")]=b(c).prop("checked")});a.call([{methodname:"mod_assign_list_participants",args:{assignid:h,groupid:i,filter:e,limit:30,includeenrolments:!1,tablesort:!0}}])[0].then(function(a){var d=[],e=b("[data-showuseridentity]").data("showuseridentity").split(",");b.each(a,function(a,f){var g=f,h=[],i=!0;if(k.filter_submitted&&!f.submitted){i=!1}if(k.filter_notsubmitted&&f.submitted){i=!1}if(k.filter_requiregrading&&!f.requiregrading){i=!1}if(k.filter_grantedextension&&!f.grantedextension){i=!1}if(i){b.each(e,function(a,b){if("undefined"!=typeof f[b]&&""!==f[b]){g.hasidentity=!0;h.push(f[b])}});g.identity=h.join(", ");d.push(c.render("mod_assign/list_participant_user_summary",g).then(function(a){return{value:f.id,label:a}}))}});return b.when.apply(b,d)}).then(function(){var a=[];if(arguments[0]){a=Array.prototype.slice.call(arguments)}f(a)}).catch(g)}}});
-//# sourceMappingURL=participant_selector.min.js.map
+/**
+ * Custom auto-complete adapter to load users from the assignment list_participants webservice.
+ *
+ * @module     mod_assign/participants_selector
+ * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_assign/participant_selector",["core/ajax","jquery","core/templates"],(function(ajax,$,templates){return{processResults:function(selector,data){return data},transport:function(selector,query,success,failure){var assignmentid=$(selector).attr("data-assignmentid"),groupid=$(selector).attr("data-groupid"),filters=$('[data-region="configure-filters"] input[type="checkbox"]'),filterstrings=[];filters.each((function(index,element){filterstrings[$(element).attr("name")]=$(element).prop("checked")})),ajax.call([{methodname:"mod_assign_list_participants",args:{assignid:assignmentid,groupid:groupid,filter:query,limit:30,includeenrolments:!1,tablesort:!0}}])[0].then((function(results){var promises=[],identityfields=$("[data-showuseridentity]").data("showuseridentity").split(",");return $.each(results,(function(index,user){var ctx=user,identity=[],show=!0;filterstrings.filter_submitted&&!user.submitted&&(show=!1),filterstrings.filter_notsubmitted&&user.submitted&&(show=!1),filterstrings.filter_requiregrading&&!user.requiregrading&&(show=!1),filterstrings.filter_grantedextension&&!user.grantedextension&&(show=!1),show&&($.each(identityfields,(function(i,k){void 0!==user[k]&&""!==user[k]&&(ctx.hasidentity=!0,identity.push(user[k]))})),ctx.identity=identity.join(", "),promises.push(templates.render("mod_assign/list_participant_user_summary",ctx).then((function(html){return{value:user.id,label:html}}))))})),$.when.apply($,promises)})).then((function(){var users=[];arguments[0]&&(users=Array.prototype.slice.call(arguments)),success(users)})).catch(failure)}}}));
+
+//# sourceMappingURL=participant_selector.min.js.map
\ No newline at end of file
diff --git a/mod/assign/amd/build/participant_selector.min.js.map b/mod/assign/amd/build/participant_selector.min.js.map
index b9444183742..06f68f2f95a 100644
--- a/mod/assign/amd/build/participant_selector.min.js.map
+++ b/mod/assign/amd/build/participant_selector.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Custom auto-complete adapter to load users from the assignment list_participants webservice.\n *\n * @module     mod_assign/participants_selector\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax', 'jquery', 'core/templates'], function(ajax, $, templates) {\n\n\n    return /** @alias module:mod_assign/participants_selector */ {\n\n        // Public variables and functions.\n        /**\n         * Process the results returned from transport (convert to value + label)\n         *\n         * @method processResults\n         * @param {String} selector\n         * @param {Array} data\n         * @return {Array}\n         */\n        processResults: function(selector, data) {\n            return data;\n        },\n\n        /**\n         * Fetch results based on the current query. This also renders each result from a template before returning them.\n         *\n         * @method transport\n         * @param {String} selector Selector for the original select element\n         * @param {String} query Current search string\n         * @param {Function} success Success handler\n         * @param {Function} failure Failure handler\n         */\n        transport: function(selector, query, success, failure) {\n            var assignmentid = $(selector).attr('data-assignmentid');\n            var groupid = $(selector).attr('data-groupid');\n            var filters = $('[data-region=\"configure-filters\"] input[type=\"checkbox\"]');\n            var filterstrings = [];\n\n            filters.each(function(index, element) {\n                filterstrings[$(element).attr('name')] = $(element).prop('checked');\n            });\n\n            ajax.call([{\n                methodname: 'mod_assign_list_participants',\n                args: {\n                    assignid: assignmentid,\n                    groupid: groupid,\n                    filter: query,\n                    limit: 30,\n                    includeenrolments: false,\n                    tablesort: true\n                }\n            }])[0].then(function(results) {\n                var promises = [];\n                var identityfields = $('[data-showuseridentity]').data('showuseridentity').split(',');\n\n                // We got the results, now we loop over them and render each one from a template.\n                $.each(results, function(index, user) {\n                    var ctx = user,\n                        identity = [],\n                        show = true;\n\n                    if (filterstrings.filter_submitted && !user.submitted) {\n                        show = false;\n                    }\n                    if (filterstrings.filter_notsubmitted && user.submitted) {\n                        show = false;\n                    }\n                    if (filterstrings.filter_requiregrading && !user.requiregrading) {\n                        show = false;\n                    }\n                    if (filterstrings.filter_grantedextension && !user.grantedextension) {\n                        show = false;\n                    }\n                    if (show) {\n                        $.each(identityfields, function(i, k) {\n                            if (typeof user[k] !== 'undefined' && user[k] !== '') {\n                                ctx.hasidentity = true;\n                                identity.push(user[k]);\n                            }\n                        });\n                        ctx.identity = identity.join(', ');\n                        promises.push(templates.render('mod_assign/list_participant_user_summary', ctx).then(function(html) {\n                            return {value: user.id, label: html};\n                        }));\n                    }\n                });\n                // Do the dance for $.when()\n                return $.when.apply($, promises);\n            }).then(function() {\n                var users = [];\n\n                // Determine if we've been passed any arguments..\n                if (arguments[0]) {\n                    // Undo the $.when() dance from arguments object into an array..\n                    users = Array.prototype.slice.call(arguments);\n                }\n\n                success(users);\n                return;\n            }).catch(failure);\n        }\n    };\n});\n"],"file":"participant_selector.min.js"}
\ No newline at end of file
+{"version":3,"file":"participant_selector.min.js","sources":["../src/participant_selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Custom auto-complete adapter to load users from the assignment list_participants webservice.\n *\n * @module     mod_assign/participants_selector\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax', 'jquery', 'core/templates'], function(ajax, $, templates) {\n\n\n    return /** @alias module:mod_assign/participants_selector */ {\n\n        // Public variables and functions.\n        /**\n         * Process the results returned from transport (convert to value + label)\n         *\n         * @method processResults\n         * @param {String} selector\n         * @param {Array} data\n         * @return {Array}\n         */\n        processResults: function(selector, data) {\n            return data;\n        },\n\n        /**\n         * Fetch results based on the current query. This also renders each result from a template before returning them.\n         *\n         * @method transport\n         * @param {String} selector Selector for the original select element\n         * @param {String} query Current search string\n         * @param {Function} success Success handler\n         * @param {Function} failure Failure handler\n         */\n        transport: function(selector, query, success, failure) {\n            var assignmentid = $(selector).attr('data-assignmentid');\n            var groupid = $(selector).attr('data-groupid');\n            var filters = $('[data-region=\"configure-filters\"] input[type=\"checkbox\"]');\n            var filterstrings = [];\n\n            filters.each(function(index, element) {\n                filterstrings[$(element).attr('name')] = $(element).prop('checked');\n            });\n\n            ajax.call([{\n                methodname: 'mod_assign_list_participants',\n                args: {\n                    assignid: assignmentid,\n                    groupid: groupid,\n                    filter: query,\n                    limit: 30,\n                    includeenrolments: false,\n                    tablesort: true\n                }\n            }])[0].then(function(results) {\n                var promises = [];\n                var identityfields = $('[data-showuseridentity]').data('showuseridentity').split(',');\n\n                // We got the results, now we loop over them and render each one from a template.\n                $.each(results, function(index, user) {\n                    var ctx = user,\n                        identity = [],\n                        show = true;\n\n                    if (filterstrings.filter_submitted && !user.submitted) {\n                        show = false;\n                    }\n                    if (filterstrings.filter_notsubmitted && user.submitted) {\n                        show = false;\n                    }\n                    if 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diff --git a/mod/feedback/amd/build/edit.min.js b/mod/feedback/amd/build/edit.min.js
index e9788cb70f3..cd7544e5757 100644
--- a/mod/feedback/amd/build/edit.min.js
+++ b/mod/feedback/amd/build/edit.min.js
@@ -1,2 +1,3 @@
-define ("mod_feedback/edit",["jquery","core/ajax","core/str","core/notification"],function(a,b,c,d){var e={deleteItem:function deleteItem(b){b.preventDefault();var e=a(b.currentTarget).attr("href");c.get_strings([{key:"confirmation",component:"admin"},{key:"confirmdeleteitem",component:"mod_feedback"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).then(function(a){d.confirm(a[0],a[1],a[2],a[3],function(){window.location=e})}).catch()},setup:function setup(){a("body").delegate("[data-action=\"delete\"]","click",e.deleteItem)}};return{setup:e.setup}});
-//# sourceMappingURL=edit.min.js.map
+define("mod_feedback/edit",["jquery","core/ajax","core/str","core/notification"],(function($,ajax,str,notification){var manager={deleteItem:function(e){e.preventDefault();var targetUrl=$(e.currentTarget).attr("href");str.get_strings([{key:"confirmation",component:"admin"},{key:"confirmdeleteitem",component:"mod_feedback"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).then((function(s){notification.confirm(s[0],s[1],s[2],s[3],(function(){window.location=targetUrl}))})).catch()},setup:function(){$("body").delegate('[data-action="delete"]',"click",manager.deleteItem)}};return{setup:manager.setup}}));
+
+//# sourceMappingURL=edit.min.js.map
\ No newline at end of file
diff --git a/mod/feedback/amd/build/edit.min.js.map b/mod/feedback/amd/build/edit.min.js.map
index f69a54d706a..abfb94a494f 100644
--- a/mod/feedback/amd/build/edit.min.js.map
+++ b/mod/feedback/amd/build/edit.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/edit.js"],"names":["define","$","ajax","str","notification","manager","deleteItem","e","preventDefault","targetUrl","currentTarget","attr","get_strings","key","component","then","s","confirm","window","location","catch","setup","delegate"],"mappings":"AAsBAA,OAAM,qBAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,UAAxB,CAAoC,mBAApC,CAAD,CACN,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAuBC,CAAvB,CAAqC,CACjC,GAAIC,CAAAA,CAAO,CAAG,CACVC,UAAU,CAAE,oBAASC,CAAT,CAAY,CACpBA,CAAC,CAACC,cAAF,GACA,GAAIC,CAAAA,CAAS,CAAGR,CAAC,CAACM,CAAC,CAACG,aAAH,CAAD,CAAmBC,IAAnB,CAAwB,MAAxB,CAAhB,CAEAR,CAAG,CAACS,WAAJ,CAAgB,CACZ,CACIC,GAAG,CAAS,cADhB,CAEIC,SAAS,CAAG,OAFhB,CADY,CAKZ,CACID,GAAG,CAAS,mBADhB,CAEIC,SAAS,CAAG,cAFhB,CALY,CASZ,CACID,GAAG,CAAS,KADhB,CAEIC,SAAS,CAAG,QAFhB,CATY,CAaZ,CACID,GAAG,CAAS,IADhB,CAEIC,SAAS,CAAG,QAFhB,CAbY,CAAhB,EAkBCC,IAlBD,CAkBM,SAASC,CAAT,CAAY,CACdZ,CAAY,CAACa,OAAb,CAAqBD,CAAC,CAAC,CAAD,CAAtB,CAA2BA,CAAC,CAAC,CAAD,CAA5B,CAAiCA,CAAC,CAAC,CAAD,CAAlC,CAAuCA,CAAC,CAAC,CAAD,CAAxC,CAA6C,UAAW,CACpDE,MAAM,CAACC,QAAP,CAAkBV,CACrB,CAFD,CAKH,CAxBD,EAyBCW,KAzBD,EA0BH,CA/BS,CAiCVC,KAAK,CAAE,gBAAW,CACdpB,CAAC,CAAC,MAAD,CAAD,CAAUqB,QAAV,CAAmB,0BAAnB,CAA6C,OAA7C,CAAsDjB,CAAO,CAACC,UAA9D,CACH,CAnCS,CAAd,CAsCA,MAAO,CACHe,KAAK,CAAEhB,CAAO,CAACgB,KADZ,CAGV,CA3CK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Edit items in feedback module\n *\n * @module     mod_feedback/edit\n * @package    mod_feedback\n * @copyright  2016 Marina Glancy\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/notification'],\nfunction($, ajax, str, notification) {\n    var manager = {\n        deleteItem: function(e) {\n            e.preventDefault();\n            var targetUrl = $(e.currentTarget).attr('href');\n\n            str.get_strings([\n                {\n                    key:        'confirmation',\n                    component:  'admin'\n                },\n                {\n                    key:        'confirmdeleteitem',\n                    component:  'mod_feedback'\n                },\n                {\n                    key:        'yes',\n                    component:  'moodle'\n                },\n                {\n                    key:        'no',\n                    component:  'moodle'\n                }\n            ])\n            .then(function(s) {\n                notification.confirm(s[0], s[1], s[2], s[3], function() {\n                    window.location = targetUrl;\n                });\n\n                return;\n            })\n            .catch();\n        },\n\n        setup: function() {\n            $('body').delegate('[data-action=\"delete\"]', 'click', manager.deleteItem);\n        }\n    };\n\n    return {\n        setup: manager.setup\n    };\n});\n"],"file":"edit.min.js"}
\ No newline at end of file
+{"version":3,"file":"edit.min.js","sources":["../src/edit.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Edit items in feedback module\n *\n * @module     mod_feedback/edit\n * @package    mod_feedback\n * @copyright  2016 Marina Glancy\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/notification'],\nfunction($, ajax, str, notification) {\n    var manager = {\n        deleteItem: function(e) {\n            e.preventDefault();\n            var targetUrl = $(e.currentTarget).attr('href');\n\n            str.get_strings([\n                {\n                    key:        'confirmation',\n                    component:  'admin'\n                },\n                {\n                    key:        'confirmdeleteitem',\n                    component:  'mod_feedback'\n                },\n                {\n                    key:        'yes',\n                    component:  'moodle'\n                },\n                {\n                    key:        'no',\n                    component:  'moodle'\n                }\n            ])\n            .then(function(s) {\n                notification.confirm(s[0], s[1], s[2], s[3], function() {\n                    window.location = targetUrl;\n                });\n\n                return;\n            })\n            .catch();\n        },\n\n        setup: function() {\n            $('body').delegate('[data-action=\"delete\"]', 'click', manager.deleteItem);\n        }\n    };\n\n    return {\n        setup: manager.setup\n    };\n});\n"],"names":["define","$","ajax","str","notification","manager","deleteItem","e","preventDefault","targetUrl","currentTarget","attr","get_strings","key","component","then","s","confirm","window","location","catch","setup","delegate"],"mappings":"AAsBAA,2BAAO,CAAC,SAAU,YAAa,WAAY,sBAC3C,SAASC,EAAGC,KAAMC,IAAKC,kBACfC,QAAU,CACVC,WAAY,SAASC,GACjBA,EAAEC,qBACEC,UAAYR,EAAEM,EAAEG,eAAeC,KAAK,QAExCR,IAAIS,YAAY,CACZ,CACIC,IAAY,eACZC,UAAY,SAEhB,CACID,IAAY,oBACZC,UAAY,gBAEhB,CACID,IAAY,MACZC,UAAY,UAEhB,CACID,IAAY,KACZC,UAAY,YAGnBC,MAAK,SAASC,GACXZ,aAAaa,QAAQD,EAAE,GAAIA,EAAE,GAAIA,EAAE,GAAIA,EAAE,IAAI,WACzCE,OAAOC,SAAWV,gBAKzBW,SAGLC,MAAO,WACHpB,EAAE,QAAQqB,SAAS,yBAA0B,QAASjB,QAAQC,oBAI/D,CACHe,MAAOhB,QAAQgB"}
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diff --git a/mod/forum/amd/build/discussion.min.js b/mod/forum/amd/build/discussion.min.js
index 332ee1f7c75..4d17106ff80 100644
--- a/mod/forum/amd/build/discussion.min.js
+++ b/mod/forum/amd/build/discussion.min.js
@@ -1,2 +1,11 @@
-define ("mod_forum/discussion",["jquery","core/custom_interaction_events","mod_forum/selectors","core/pubsub","mod_forum/forum_events","core/str","core/notification"],function(a,b,c,d,e,f,g){var h=function(a){var b=a.prev(c.post.post);if(b.length){var d=b.find(c.post.post).last();if(d.length){d.focus()}else{b.focus()}}else{a.parents(c.post.post).first().focus()}},i=function(b){var d=b.find(c.post.post).first();if(d.length){d.focus()}else{var e=b.next(c.post.post);if(e.length){e.focus()}else{for(var f=b.parents(c.post.post).toArray(),g=0,h;g<f.length;g++){h=a(f[g]).next(c.post.post);if(h.length){h.focus();break}}}}},j=function(b){var d=a(b).closest(c.post.inpageReplyContent);return d.length?!0:!1},k=function(k){var l=k.find(c.post.post);l.each(function(b,d){var e=a(d).find(c.post.action),f=e.first();e.attr("tabindex","-1");f.attr("tabindex",0)});b.define(k,[b.events.up,b.events.down,b.events.next,b.events.previous,b.events.home,b.events.end]);k.on(b.events.up,function(b,d){var e=document.activeElement;if(j(e)){return}var f=a(e).closest(c.post.post);if(f.length){h(f)}else{k.find(c.post.post).first().focus()}d.originalEvent.preventDefault()});k.on(b.events.down,function(b,d){var e=document.activeElement;if(j(e)){return}var f=a(e).closest(c.post.post);if(f.length){i(f)}else{k.find(c.post.post).first().focus()}d.originalEvent.preventDefault()});k.on(b.events.home,function(a,b){if(j(document.activeElement)){return}k.find(c.post.post).first().focus();b.originalEvent.preventDefault()});k.on(b.events.end,function(a,b){if(j(document.activeElement)){return}k.find(c.post.post).last().focus();b.originalEvent.preventDefault()});k.on(b.events.next,c.post.action,function(b,d){var e=a(b.target),f=e.closest(c.post.actionsContainer),g=f.find(c.post.action),h=e.next(c.post.action);g.attr("tabindex","-1");if(!h.length){h=g.first()}h.attr("tabindex",0);h.focus();d.originalEvent.preventDefault()});k.on(b.events.previous,c.post.action,function(b,d){var e=a(b.target),f=e.closest(c.post.actionsContainer),g=f.find(c.post.action),h=e.prev(c.post.action);g.attr("tabindex","-1");if(!h.length){h=g.last()}h.attr("tabindex",0);h.focus();d.originalEvent.preventDefault()});k.on(b.events.home,c.post.action,function(b,d){var e=a(b.target),f=e.closest(c.post.actionsContainer),g=f.find(c.post.action),h=g.first();g.attr("tabindex","-1");h.attr("tabindex",0);h.focus();b.stopPropagation();d.originalEvent.preventDefault()});k.on(b.events.end,c.post.action,function(b,d){var e=a(b.target),f=e.closest(c.post.actionsContainer),g=f.find(c.post.action),h=g.last();g.attr("tabindex","-1");h.attr("tabindex",0);h.focus();b.stopPropagation();d.originalEvent.preventDefault()});d.subscribe(e.SUBSCRIPTION_TOGGLED,function(a){var b=a.subscriptionState,c=b?"discussionsubscribed":"discussionunsubscribed";f.get_string(c,"forum").then(function(a){return g.addNotification({message:a,type:"info"})}).catch(g.exception)})};return{init:function init(a){k(a)}}});
-//# sourceMappingURL=discussion.min.js.map
+/**
+ * Module for viewing a discussion.
+ *
+ * @module     mod_forum/discussion_list
+ * @package    mod_forum
+ * @copyright  2019 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/discussion",["jquery","core/custom_interaction_events","mod_forum/selectors","core/pubsub","mod_forum/forum_events","core/str","core/notification"],(function($,CustomEvents,Selectors,PubSub,ForumEvents,String,Notification){var isElementInInPageReplySection=function(element){return!!$(element).closest(Selectors.post.inpageReplyContent).length},initAccessibilityKeyboardNav=function(root){root.find(Selectors.post.post).each((function(index,post){var actions=$(post).find(Selectors.post.action),firstAction=actions.first();actions.attr("tabindex","-1"),firstAction.attr("tabindex",0)})),CustomEvents.define(root,[CustomEvents.events.up,CustomEvents.events.down,CustomEvents.events.next,CustomEvents.events.previous,CustomEvents.events.home,CustomEvents.events.end]),root.on(CustomEvents.events.up,(function(e,data){var activeElement=document.activeElement;if(!isElementInInPageReplySection(activeElement)){var focusPost=$(activeElement).closest(Selectors.post.post);focusPost.length?function(currentPost){var prevPost=currentPost.prev(Selectors.post.post);if(prevPost.length){var replyPost=prevPost.find(Selectors.post.post).last();replyPost.length?replyPost.focus():prevPost.focus()}else currentPost.parents(Selectors.post.post).first().focus()}(focusPost):root.find(Selectors.post.post).first().focus(),data.originalEvent.preventDefault()}})),root.on(CustomEvents.events.down,(function(e,data){var activeElement=document.activeElement;if(!isElementInInPageReplySection(activeElement)){var focusPost=$(activeElement).closest(Selectors.post.post);focusPost.length?function(currentPost){var replyPost=currentPost.find(Selectors.post.post).first();if(replyPost.length)replyPost.focus();else{var siblingPost=currentPost.next(Selectors.post.post);if(siblingPost.length)siblingPost.focus();else for(var parentPosts=currentPost.parents(Selectors.post.post).toArray(),i=0;i<parentPosts.length;i++){var ancestorSiblingPost=$(parentPosts[i]).next(Selectors.post.post);if(ancestorSiblingPost.length){ancestorSiblingPost.focus();break}}}}(focusPost):root.find(Selectors.post.post).first().focus(),data.originalEvent.preventDefault()}})),root.on(CustomEvents.events.home,(function(e,data){isElementInInPageReplySection(document.activeElement)||(root.find(Selectors.post.post).first().focus(),data.originalEvent.preventDefault())})),root.on(CustomEvents.events.end,(function(e,data){isElementInInPageReplySection(document.activeElement)||(root.find(Selectors.post.post).last().focus(),data.originalEvent.preventDefault())})),root.on(CustomEvents.events.next,Selectors.post.action,(function(e,data){var currentAction=$(e.target),actions=currentAction.closest(Selectors.post.actionsContainer).find(Selectors.post.action),nextAction=currentAction.next(Selectors.post.action);actions.attr("tabindex","-1"),nextAction.length||(nextAction=actions.first()),nextAction.attr("tabindex",0),nextAction.focus(),data.originalEvent.preventDefault()})),root.on(CustomEvents.events.previous,Selectors.post.action,(function(e,data){var currentAction=$(e.target),actions=currentAction.closest(Selectors.post.actionsContainer).find(Selectors.post.action),nextAction=currentAction.prev(Selectors.post.action);actions.attr("tabindex","-1"),nextAction.length||(nextAction=actions.last()),nextAction.attr("tabindex",0),nextAction.focus(),data.originalEvent.preventDefault()})),root.on(CustomEvents.events.home,Selectors.post.action,(function(e,data){var actions=$(e.target).closest(Selectors.post.actionsContainer).find(Selectors.post.action),firstAction=actions.first();actions.attr("tabindex","-1"),firstAction.attr("tabindex",0),firstAction.focus(),e.stopPropagation(),data.originalEvent.preventDefault()})),root.on(CustomEvents.events.end,Selectors.post.action,(function(e,data){var actions=$(e.target).closest(Selectors.post.actionsContainer).find(Selectors.post.action),lastAction=actions.last();actions.attr("tabindex","-1"),lastAction.attr("tabindex",0),lastAction.focus(),e.stopPropagation(),data.originalEvent.preventDefault()})),PubSub.subscribe(ForumEvents.SUBSCRIPTION_TOGGLED,(function(data){var updateMessage=data.subscriptionState?"discussionsubscribed":"discussionunsubscribed";String.get_string(updateMessage,"forum").then((function(s){return Notification.addNotification({message:s,type:"info"})})).catch(Notification.exception)}))};return{init:function(root){initAccessibilityKeyboardNav(root)}}}));
+
+//# sourceMappingURL=discussion.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/discussion.min.js.map b/mod/forum/amd/build/discussion.min.js.map
index cd34e06d292..12362e04dee 100644
--- a/mod/forum/amd/build/discussion.min.js.map
+++ b/mod/forum/amd/build/discussion.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module for viewing a discussion.\n *\n * @module     mod_forum/discussion_list\n * @package    mod_forum\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'mod_forum/selectors',\n    'core/pubsub',\n    'mod_forum/forum_events',\n    'core/str',\n    'core/notification',\n],\nfunction(\n    $,\n    CustomEvents,\n    Selectors,\n    PubSub,\n    ForumEvents,\n    String,\n    Notification\n) {\n\n    /**\n     * Set the focus on the previous post in the list. Previous post is calculated\n     * based on position in list as viewed top to bottom.\n     *\n     * @param {Object} currentPost The post that currently has focus\n     */\n    var focusPreviousPost = function(currentPost) {\n        // See if there is a previous sibling post.\n        var prevPost = currentPost.prev(Selectors.post.post);\n\n        if (prevPost.length) {\n            // The previous post might have replies that appear visually between\n            // it and the current post (see nested view) so if that's the case\n            // then the last reply will be the previous post in the list.\n            var replyPost = prevPost.find(Selectors.post.post).last();\n\n            if (replyPost.length) {\n                // Focus the last reply.\n                replyPost.focus();\n            } else {\n                // No replies so we can focus straight on the sibling.\n                prevPost.focus();\n            }\n        } else {\n            // If there are no siblings then jump up the tree to the parent\n            // post and focus the first parent post we find.\n            currentPost.parents(Selectors.post.post).first().focus();\n        }\n    };\n\n    /**\n     * Set the focus on the next post in the list. Previous post is calculated\n     * based on position in list as viewed top to bottom.\n     *\n     * @param {Object} currentPost The post that currently has focus\n     */\n    var focusNextPost = function(currentPost) {\n        // The next post in the visual list would be the first reply to this one\n        // so let's see if we have one.\n        var replyPost = currentPost.find(Selectors.post.post).first();\n\n        if (replyPost.length) {\n            // Got a reply.\n            replyPost.focus();\n        } else {\n            // If we don't have a reply then the next post in the visual list would\n            // be a sibling post (replying to the same parent).\n            var siblingPost = currentPost.next(Selectors.post.post);\n\n            if (siblingPost.length) {\n                siblingPost.focus();\n            } else {\n                // No siblings either. That means we're the lowest level reply in a thread\n                // so we need to walk back up the tree of posts and find an ancestor post that\n                // has a sibling post we can focus.\n                var parentPosts = currentPost.parents(Selectors.post.post).toArray();\n\n                for (var i = 0; i < parentPosts.length; i++) {\n                    var ancestorSiblingPost = $(parentPosts[i]).next(Selectors.post.post);\n\n                    if (ancestorSiblingPost.length) {\n                        ancestorSiblingPost.focus();\n                        break;\n                    }\n                }\n            }\n        }\n    };\n\n    /**\n     * Check if the element is inside the in page reply section.\n     *\n     * @param {Object} element The element to check\n     * @return {Boolean}\n     */\n    var isElementInInPageReplySection = function(element) {\n        var inPageReply = $(element).closest(Selectors.post.inpageReplyContent);\n        return inPageReply.length ? true : false;\n    };\n\n    /**\n     * Initialise the keyboard accessibility controls for the discussion.\n     *\n     * @param {Object} root The discussion root element\n     */\n    var initAccessibilityKeyboardNav = function(root) {\n        var posts = root.find(Selectors.post.post);\n\n        // Take each post action out of the tab index.\n        posts.each(function(index, post) {\n            var actions = $(post).find(Selectors.post.action);\n            var firstAction = actions.first();\n            actions.attr('tabindex', '-1');\n            firstAction.attr('tabindex', 0);\n        });\n\n        CustomEvents.define(root, [\n            CustomEvents.events.up,\n            CustomEvents.events.down,\n            CustomEvents.events.next,\n            CustomEvents.events.previous,\n            CustomEvents.events.home,\n            CustomEvents.events.end,\n        ]);\n\n        root.on(CustomEvents.events.up, function(e, data) {\n            var activeElement = document.activeElement;\n\n            if (isElementInInPageReplySection(activeElement)) {\n                // Focus is currently inside the in page reply section so don't move focus\n                // to another post.\n                return;\n            }\n\n            var focusPost = $(activeElement).closest(Selectors.post.post);\n\n            if (focusPost.length) {\n                focusPreviousPost(focusPost);\n            } else {\n                root.find(Selectors.post.post).first().focus();\n            }\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.down, function(e, data) {\n            var activeElement = document.activeElement;\n\n            if (isElementInInPageReplySection(activeElement)) {\n                // Focus is currently inside the in page reply section so don't move focus\n                // to another post.\n                return;\n            }\n\n            var focusPost = $(activeElement).closest(Selectors.post.post);\n\n            if (focusPost.length) {\n                focusNextPost(focusPost);\n            } else {\n                root.find(Selectors.post.post).first().focus();\n            }\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.home, function(e, data) {\n            if (isElementInInPageReplySection(document.activeElement)) {\n                // Focus is currently inside the in page reply section so don't move focus\n                // to another post.\n                return;\n            }\n            root.find(Selectors.post.post).first().focus();\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.end, function(e, data) {\n            if (isElementInInPageReplySection(document.activeElement)) {\n                // Focus is currently inside the in page reply section so don't move focus\n                // to another post.\n                return;\n            }\n            root.find(Selectors.post.post).last().focus();\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.next, Selectors.post.action, function(e, data) {\n            var currentAction = $(e.target);\n            var container = currentAction.closest(Selectors.post.actionsContainer);\n            var actions = container.find(Selectors.post.action);\n            var nextAction = currentAction.next(Selectors.post.action);\n\n            actions.attr('tabindex', '-1');\n\n            if (!nextAction.length) {\n                nextAction = actions.first();\n            }\n\n            nextAction.attr('tabindex', 0);\n            nextAction.focus();\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.previous, Selectors.post.action, function(e, data) {\n            var currentAction = $(e.target);\n            var container = currentAction.closest(Selectors.post.actionsContainer);\n            var actions = container.find(Selectors.post.action);\n            var nextAction = currentAction.prev(Selectors.post.action);\n\n            actions.attr('tabindex', '-1');\n\n            if (!nextAction.length) {\n                nextAction = actions.last();\n            }\n\n            nextAction.attr('tabindex', 0);\n            nextAction.focus();\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.home, Selectors.post.action, function(e, data) {\n            var currentAction = $(e.target);\n            var container = currentAction.closest(Selectors.post.actionsContainer);\n            var actions = container.find(Selectors.post.action);\n            var firstAction = actions.first();\n\n            actions.attr('tabindex', '-1');\n            firstAction.attr('tabindex', 0);\n            firstAction.focus();\n\n            e.stopPropagation();\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.end, Selectors.post.action, function(e, data) {\n            var currentAction = $(e.target);\n            var container = currentAction.closest(Selectors.post.actionsContainer);\n            var actions = container.find(Selectors.post.action);\n            var lastAction = actions.last();\n\n            actions.attr('tabindex', '-1');\n            lastAction.attr('tabindex', 0);\n            lastAction.focus();\n\n            e.stopPropagation();\n            data.originalEvent.preventDefault();\n        });\n\n        PubSub.subscribe(ForumEvents.SUBSCRIPTION_TOGGLED, function(data) {\n            var subscribed = data.subscriptionState;\n            var updateMessage = subscribed ? 'discussionsubscribed' : 'discussionunsubscribed';\n            String.get_string(updateMessage, \"forum\")\n                .then(function(s) {\n                    return Notification.addNotification({\n                        message: s,\n                        type: \"info\"\n                    });\n                })\n                .catch(Notification.exception);\n        });\n    };\n\n    return {\n        init: function(root) {\n            initAccessibilityKeyboardNav(root);\n        }\n    };\n});\n"],"file":"discussion.min.js"}
\ No newline at end of file
+{"version":3,"file":"discussion.min.js","sources":["../src/discussion.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module for viewing a discussion.\n *\n * @module     mod_forum/discussion_list\n * @package    mod_forum\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n[\n    'jquery',\n    'core/custom_interaction_events',\n    'mod_forum/selectors',\n    'core/pubsub',\n    'mod_forum/forum_events',\n    'core/str',\n    'core/notification',\n],\nfunction(\n    $,\n    CustomEvents,\n    Selectors,\n    PubSub,\n    ForumEvents,\n    String,\n    Notification\n) {\n\n    /**\n     * Set the focus on the previous post in the list. Previous post is calculated\n     * based on position in list as viewed top to bottom.\n     *\n     * @param {Object} currentPost The post that currently has focus\n     */\n    var focusPreviousPost = function(currentPost) {\n        // See if there is a previous sibling post.\n        var prevPost = currentPost.prev(Selectors.post.post);\n\n        if (prevPost.length) {\n            // The previous post might have replies that appear visually between\n            // it and the current post (see nested view) so if that's the case\n            // then the last reply will be the previous post in the list.\n            var replyPost = prevPost.find(Selectors.post.post).last();\n\n            if (replyPost.length) {\n                // Focus the last reply.\n                replyPost.focus();\n            } else {\n                // No replies so we can focus straight on the sibling.\n                prevPost.focus();\n            }\n        } else {\n            // If there are no siblings then jump up the tree to the parent\n            // post and focus the first parent post we find.\n            currentPost.parents(Selectors.post.post).first().focus();\n        }\n    };\n\n    /**\n     * Set the focus on the next post in the list. Previous post is calculated\n     * based on position in list as viewed top to bottom.\n     *\n     * @param {Object} currentPost The post that currently has focus\n     */\n    var focusNextPost = function(currentPost) {\n        // The next post in the visual list would be the first reply to this one\n        // so let's see if we have one.\n        var replyPost = currentPost.find(Selectors.post.post).first();\n\n        if (replyPost.length) {\n            // Got a reply.\n            replyPost.focus();\n        } else {\n            // If we don't have a reply then the next post in the visual list would\n            // be a sibling post (replying to the same parent).\n            var siblingPost = currentPost.next(Selectors.post.post);\n\n            if (siblingPost.length) {\n                siblingPost.focus();\n            } else {\n                // No siblings either. That means we're the lowest level reply in a thread\n                // so we need to walk back up the tree of posts and find an ancestor post that\n                // has a sibling post we can focus.\n                var parentPosts = currentPost.parents(Selectors.post.post).toArray();\n\n                for (var i = 0; i < parentPosts.length; i++) {\n                    var ancestorSiblingPost = $(parentPosts[i]).next(Selectors.post.post);\n\n                    if (ancestorSiblingPost.length) {\n                        ancestorSiblingPost.focus();\n                        break;\n                    }\n                }\n            }\n        }\n    };\n\n    /**\n     * Check if the element is inside the in page reply section.\n     *\n     * @param {Object} element The element to check\n     * @return {Boolean}\n     */\n    var isElementInInPageReplySection = function(element) {\n        var inPageReply = $(element).closest(Selectors.post.inpageReplyContent);\n        return inPageReply.length ? true : false;\n    };\n\n    /**\n     * Initialise the keyboard accessibility controls for the discussion.\n     *\n     * @param {Object} root The discussion root element\n     */\n    var initAccessibilityKeyboardNav = function(root) {\n        var posts = root.find(Selectors.post.post);\n\n        // Take each post action out of the tab index.\n        posts.each(function(index, post) {\n            var actions = $(post).find(Selectors.post.action);\n            var firstAction = actions.first();\n            actions.attr('tabindex', '-1');\n            firstAction.attr('tabindex', 0);\n        });\n\n        CustomEvents.define(root, [\n            CustomEvents.events.up,\n            CustomEvents.events.down,\n            CustomEvents.events.next,\n            CustomEvents.events.previous,\n            CustomEvents.events.home,\n            CustomEvents.events.end,\n        ]);\n\n        root.on(CustomEvents.events.up, function(e, data) {\n            var activeElement = document.activeElement;\n\n            if (isElementInInPageReplySection(activeElement)) {\n                // Focus is currently inside the in page reply section so don't move focus\n                // to another post.\n                return;\n            }\n\n            var focusPost = $(activeElement).closest(Selectors.post.post);\n\n            if (focusPost.length) {\n                focusPreviousPost(focusPost);\n            } else {\n                root.find(Selectors.post.post).first().focus();\n            }\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.down, function(e, data) {\n            var activeElement = document.activeElement;\n\n            if (isElementInInPageReplySection(activeElement)) {\n                // Focus is currently inside the in page reply section so don't move focus\n                // to another post.\n                return;\n            }\n\n            var focusPost = $(activeElement).closest(Selectors.post.post);\n\n            if (focusPost.length) {\n                focusNextPost(focusPost);\n            } else {\n                root.find(Selectors.post.post).first().focus();\n            }\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.home, function(e, data) {\n            if (isElementInInPageReplySection(document.activeElement)) {\n                // Focus is currently inside the in page reply section so don't move focus\n                // to another post.\n                return;\n            }\n            root.find(Selectors.post.post).first().focus();\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.end, function(e, data) {\n            if (isElementInInPageReplySection(document.activeElement)) {\n                // Focus is currently inside the in page reply section so don't move focus\n                // to another post.\n                return;\n            }\n            root.find(Selectors.post.post).last().focus();\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.next, Selectors.post.action, function(e, data) {\n            var currentAction = $(e.target);\n            var container = currentAction.closest(Selectors.post.actionsContainer);\n            var actions = container.find(Selectors.post.action);\n            var nextAction = currentAction.next(Selectors.post.action);\n\n            actions.attr('tabindex', '-1');\n\n            if (!nextAction.length) {\n                nextAction = actions.first();\n            }\n\n            nextAction.attr('tabindex', 0);\n            nextAction.focus();\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.previous, Selectors.post.action, function(e, data) {\n            var currentAction = $(e.target);\n            var container = currentAction.closest(Selectors.post.actionsContainer);\n            var actions = container.find(Selectors.post.action);\n            var nextAction = currentAction.prev(Selectors.post.action);\n\n            actions.attr('tabindex', '-1');\n\n            if (!nextAction.length) {\n                nextAction = actions.last();\n            }\n\n            nextAction.attr('tabindex', 0);\n            nextAction.focus();\n\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.home, Selectors.post.action, function(e, data) {\n            var currentAction = $(e.target);\n            var container = currentAction.closest(Selectors.post.actionsContainer);\n            var actions = container.find(Selectors.post.action);\n            var firstAction = actions.first();\n\n            actions.attr('tabindex', '-1');\n            firstAction.attr('tabindex', 0);\n            firstAction.focus();\n\n            e.stopPropagation();\n            data.originalEvent.preventDefault();\n        });\n\n        root.on(CustomEvents.events.end, Selectors.post.action, function(e, data) {\n            var currentAction = $(e.target);\n            var container = currentAction.closest(Selectors.post.actionsContainer);\n            var actions = container.find(Selectors.post.action);\n            var lastAction = actions.last();\n\n            actions.attr('tabindex', '-1');\n            lastAction.attr('tabindex', 0);\n            lastAction.focus();\n\n            e.stopPropagation();\n            data.originalEvent.preventDefault();\n        });\n\n        PubSub.subscribe(ForumEvents.SUBSCRIPTION_TOGGLED, function(data) {\n            var subscribed = data.subscriptionState;\n            var updateMessage = subscribed ? 'discussionsubscribed' : 'discussionunsubscribed';\n            String.get_string(updateMessage, \"forum\")\n                .then(function(s) {\n                    return Notification.addNotification({\n                        message: s,\n                        type: \"info\"\n                    });\n                })\n                .catch(Notification.exception);\n        });\n    };\n\n    return {\n        init: function(root) {\n            initAccessibilityKeyboardNav(root);\n        }\n    };\n});\n"],"names":["define","$","CustomEvents","Selectors","PubSub","ForumEvents","String","Notification","isElementInInPageReplySection","element","closest","post","inpageReplyContent","length","initAccessibilityKeyboardNav","root","find","each","index","actions","action","firstAction","first","attr","events","up","down","next","previous","home","end","on","e","data","activeElement","document","focusPost","currentPost","prevPost","prev","replyPost","last","focus","parents","focusPreviousPost","originalEvent","preventDefault","siblingPost","parentPosts","toArray","i","ancestorSiblingPost","focusNextPost","currentAction","target","actionsContainer","nextAction","stopPropagation","lastAction","subscribe","SUBSCRIPTION_TOGGLED","updateMessage","subscriptionState","get_string","then","s","addNotification","message","type","catch","exception","init"],"mappings":";;;;;;;;AAuBAA,8BACA,CACI,SACA,iCACA,sBACA,cACA,yBACA,WACA,sBAEJ,SACIC,EACAC,aACAC,UACAC,OACAC,YACAC,OACAC,kBA8EIC,8BAAgC,SAASC,iBACvBR,EAAEQ,SAASC,QAAQP,UAAUQ,KAAKC,oBACjCC,QAQnBC,6BAA+B,SAASC,MAC5BA,KAAKC,KAAKb,UAAUQ,KAAKA,MAG/BM,MAAK,SAASC,MAAOP,UACnBQ,QAAUlB,EAAEU,MAAMK,KAAKb,UAAUQ,KAAKS,QACtCC,YAAcF,QAAQG,QAC1BH,QAAQI,KAAK,WAAY,MACzBF,YAAYE,KAAK,WAAY,MAGjCrB,aAAaF,OAAOe,KAAM,CACtBb,aAAasB,OAAOC,GACpBvB,aAAasB,OAAOE,KACpBxB,aAAasB,OAAOG,KACpBzB,aAAasB,OAAOI,SACpB1B,aAAasB,OAAOK,KACpB3B,aAAasB,OAAOM,MAGxBf,KAAKgB,GAAG7B,aAAasB,OAAOC,IAAI,SAASO,EAAGC,UACpCC,cAAgBC,SAASD,kBAEzB1B,8BAA8B0B,oBAM9BE,UAAYnC,EAAEiC,eAAexB,QAAQP,UAAUQ,KAAKA,MAEpDyB,UAAUvB,OA9GE,SAASwB,iBAEzBC,SAAWD,YAAYE,KAAKpC,UAAUQ,KAAKA,SAE3C2B,SAASzB,OAAQ,KAIb2B,UAAYF,SAAStB,KAAKb,UAAUQ,KAAKA,MAAM8B,OAE/CD,UAAU3B,OAEV2B,UAAUE,QAGVJ,SAASI,aAKbL,YAAYM,QAAQxC,UAAUQ,KAAKA,MAAMW,QAAQoB,QA2F7CE,CAAkBR,WAElBrB,KAAKC,KAAKb,UAAUQ,KAAKA,MAAMW,QAAQoB,QAG3CT,KAAKY,cAAcC,qBAGvB/B,KAAKgB,GAAG7B,aAAasB,OAAOE,MAAM,SAASM,EAAGC,UACtCC,cAAgBC,SAASD,kBAEzB1B,8BAA8B0B,oBAM9BE,UAAYnC,EAAEiC,eAAexB,QAAQP,UAAUQ,KAAKA,MAEpDyB,UAAUvB,OApGF,SAASwB,iBAGrBG,UAAYH,YAAYrB,KAAKb,UAAUQ,KAAKA,MAAMW,WAElDkB,UAAU3B,OAEV2B,UAAUE,YACP,KAGCK,YAAcV,YAAYV,KAAKxB,UAAUQ,KAAKA,SAE9CoC,YAAYlC,OACZkC,YAAYL,qBAKRM,YAAcX,YAAYM,QAAQxC,UAAUQ,KAAKA,MAAMsC,UAElDC,EAAI,EAAGA,EAAIF,YAAYnC,OAAQqC,IAAK,KACrCC,oBAAsBlD,EAAE+C,YAAYE,IAAIvB,KAAKxB,UAAUQ,KAAKA,SAE5DwC,oBAAoBtC,OAAQ,CAC5BsC,oBAAoBT,iBA4E5BU,CAAchB,WAEdrB,KAAKC,KAAKb,UAAUQ,KAAKA,MAAMW,QAAQoB,QAG3CT,KAAKY,cAAcC,qBAGvB/B,KAAKgB,GAAG7B,aAAasB,OAAOK,MAAM,SAASG,EAAGC,MACtCzB,8BAA8B2B,SAASD,iBAK3CnB,KAAKC,KAAKb,UAAUQ,KAAKA,MAAMW,QAAQoB,QACvCT,KAAKY,cAAcC,qBAGvB/B,KAAKgB,GAAG7B,aAAasB,OAAOM,KAAK,SAASE,EAAGC,MACrCzB,8BAA8B2B,SAASD,iBAK3CnB,KAAKC,KAAKb,UAAUQ,KAAKA,MAAM8B,OAAOC,QACtCT,KAAKY,cAAcC,qBAGvB/B,KAAKgB,GAAG7B,aAAasB,OAAOG,KAAMxB,UAAUQ,KAAKS,QAAQ,SAASY,EAAGC,UAC7DoB,cAAgBpD,EAAE+B,EAAEsB,QAEpBnC,QADYkC,cAAc3C,QAAQP,UAAUQ,KAAK4C,kBAC7BvC,KAAKb,UAAUQ,KAAKS,QACxCoC,WAAaH,cAAc1B,KAAKxB,UAAUQ,KAAKS,QAEnDD,QAAQI,KAAK,WAAY,MAEpBiC,WAAW3C,SACZ2C,WAAarC,QAAQG,SAGzBkC,WAAWjC,KAAK,WAAY,GAC5BiC,WAAWd,QAEXT,KAAKY,cAAcC,oBAGvB/B,KAAKgB,GAAG7B,aAAasB,OAAOI,SAAUzB,UAAUQ,KAAKS,QAAQ,SAASY,EAAGC,UACjEoB,cAAgBpD,EAAE+B,EAAEsB,QAEpBnC,QADYkC,cAAc3C,QAAQP,UAAUQ,KAAK4C,kBAC7BvC,KAAKb,UAAUQ,KAAKS,QACxCoC,WAAaH,cAAcd,KAAKpC,UAAUQ,KAAKS,QAEnDD,QAAQI,KAAK,WAAY,MAEpBiC,WAAW3C,SACZ2C,WAAarC,QAAQsB,QAGzBe,WAAWjC,KAAK,WAAY,GAC5BiC,WAAWd,QAEXT,KAAKY,cAAcC,oBAGvB/B,KAAKgB,GAAG7B,aAAasB,OAAOK,KAAM1B,UAAUQ,KAAKS,QAAQ,SAASY,EAAGC,UAG7Dd,QAFgBlB,EAAE+B,EAAEsB,QACM5C,QAAQP,UAAUQ,KAAK4C,kBAC7BvC,KAAKb,UAAUQ,KAAKS,QACxCC,YAAcF,QAAQG,QAE1BH,QAAQI,KAAK,WAAY,MACzBF,YAAYE,KAAK,WAAY,GAC7BF,YAAYqB,QAEZV,EAAEyB,kBACFxB,KAAKY,cAAcC,oBAGvB/B,KAAKgB,GAAG7B,aAAasB,OAAOM,IAAK3B,UAAUQ,KAAKS,QAAQ,SAASY,EAAGC,UAG5Dd,QAFgBlB,EAAE+B,EAAEsB,QACM5C,QAAQP,UAAUQ,KAAK4C,kBAC7BvC,KAAKb,UAAUQ,KAAKS,QACxCsC,WAAavC,QAAQsB,OAEzBtB,QAAQI,KAAK,WAAY,MACzBmC,WAAWnC,KAAK,WAAY,GAC5BmC,WAAWhB,QAEXV,EAAEyB,kBACFxB,KAAKY,cAAcC,oBAGvB1C,OAAOuD,UAAUtD,YAAYuD,sBAAsB,SAAS3B,UAEpD4B,cADa5B,KAAK6B,kBACW,uBAAyB,yBAC1DxD,OAAOyD,WAAWF,cAAe,SAC5BG,MAAK,SAASC,UACJ1D,aAAa2D,gBAAgB,CAChCC,QAASF,EACTG,KAAM,YAGbC,MAAM9D,aAAa+D,qBAIzB,CACHC,KAAM,SAASxD,MACXD,6BAA6BC"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/discussion_list.min.js b/mod/forum/amd/build/discussion_list.min.js
index 6b58d4da3cd..a024d32046e 100644
--- a/mod/forum/amd/build/discussion_list.min.js
+++ b/mod/forum/amd/build/discussion_list.min.js
@@ -1,2 +1,11 @@
-define ("mod_forum/discussion_list",["jquery","core/templates","core/str","core/notification","mod_forum/subscription_toggle","mod_forum/selectors","mod_forum/repository","core/pubsub","mod_forum/forum_events"],function(a,b,c,d,e,f,g,h,i){var j=function(e){h.subscribe(i.SUBSCRIPTION_TOGGLED,function(a){var b=a.discussionId,c=a.subscriptionState,d=e.find(f.discussion.item+"[data-discussionid= "+b+"]"),g=d.find(f.discussion.subscribedLabel);if(c){d.addClass("subscribed");g.removeAttr("hidden")}else{d.removeClass("subscribed");g.attr("hidden",!0)}});e.on("click",f.favourite.toggle,function(){var b=a(this),c=b.data("forumid"),e=b.data("discussionid"),f=b.data("targetstate");g.setFavouriteDiscussionState(c,e,f).then(function(){return location.reload()}).catch(d.exception)});e.on("click",f.pin.toggle,function(b){b.preventDefault();var c=a(this),e=c.data("forumid"),f=c.data("discussionid"),h=c.data("targetstate");g.setPinDiscussionState(e,f,h).then(function(){return location.reload()}).catch(d.exception)});e.on("click",f.lock.toggle,function(h){var e=a(this),i=e.data("forumid"),j=e.data("discussionid"),k=e.data("state");g.setDiscussionLockState(i,j,k).then(function(a){var b=e.parents(f.summary.actions).find(f.lock.icon),c=e.parents(f.discussion.item).find(f.discussion.lockedLabel);if(a.locked){b.removeClass("hidden");c.removeAttr("hidden")}else{b.addClass("hidden");c.attr("hidden",!0)}return a}).then(function(a){a.forumid=i;return b.render("mod_forum/discussion_lock_toggle",a)}).then(function(a,c){return b.replaceNode(e,a,c)}).then(function(){return c.get_string("lockupdated","forum").done(function(a){return d.addNotification({message:a,type:"info"})})}).catch(d.exception);h.preventDefault()})};return{init:function init(a){e.init(a,!1,function(a,b){var d=a.attr("id"),e=b.userstate.subscribed?0:1;a.data("targetstate",e);var f=b.userstate.subscribed?"unsubscribediscussion":"subscribediscussion";return c.get_string(f,"mod_forum").then(function(b){a.closest("td").find("label[for=\""+d+"\"]").find("span").text(b);return b})});j(a)}}});
-//# sourceMappingURL=discussion_list.min.js.map
+/**
+ * Module for the list of discussions on when viewing a forum.
+ *
+ * @module     mod_forum/discussion_list
+ * @package    mod_forum
+ * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/discussion_list",["jquery","core/templates","core/str","core/notification","mod_forum/subscription_toggle","mod_forum/selectors","mod_forum/repository","core/pubsub","mod_forum/forum_events"],(function($,Templates,Str,Notification,SubscriptionToggle,Selectors,Repository,PubSub,ForumEvents){return{init:function(root){SubscriptionToggle.init(root,!1,(function(toggleElement,context){var toggleId=toggleElement.attr("id"),newTargetState=context.userstate.subscribed?0:1;toggleElement.data("targetstate",newTargetState);var stringKey=context.userstate.subscribed?"unsubscribediscussion":"subscribediscussion";return Str.get_string(stringKey,"mod_forum").then((function(string){return toggleElement.closest("td").find('label[for="'+toggleId+'"]').find("span").text(string),string}))})),function(root){PubSub.subscribe(ForumEvents.SUBSCRIPTION_TOGGLED,(function(data){var discussionId=data.discussionId,subscribed=data.subscriptionState,discussionListItem=root.find(Selectors.discussion.item+"[data-discussionid= "+discussionId+"]"),subscribedLabel=discussionListItem.find(Selectors.discussion.subscribedLabel);subscribed?(discussionListItem.addClass("subscribed"),subscribedLabel.removeAttr("hidden")):(discussionListItem.removeClass("subscribed"),subscribedLabel.attr("hidden",!0))})),root.on("click",Selectors.favourite.toggle,(function(){var toggleElement=$(this),forumId=toggleElement.data("forumid"),discussionId=toggleElement.data("discussionid"),subscriptionState=toggleElement.data("targetstate");Repository.setFavouriteDiscussionState(forumId,discussionId,subscriptionState).then((function(){return location.reload()})).catch(Notification.exception)})),root.on("click",Selectors.pin.toggle,(function(e){e.preventDefault();var toggleElement=$(this),forumId=toggleElement.data("forumid"),discussionId=toggleElement.data("discussionid"),state=toggleElement.data("targetstate");Repository.setPinDiscussionState(forumId,discussionId,state).then((function(){return location.reload()})).catch(Notification.exception)})),root.on("click",Selectors.lock.toggle,(function(e){var toggleElement=$(this),forumId=toggleElement.data("forumid"),discussionId=toggleElement.data("discussionid"),state=toggleElement.data("state");Repository.setDiscussionLockState(forumId,discussionId,state).then((function(context){var icon=toggleElement.parents(Selectors.summary.actions).find(Selectors.lock.icon),lockedLabel=toggleElement.parents(Selectors.discussion.item).find(Selectors.discussion.lockedLabel);return context.locked?(icon.removeClass("hidden"),lockedLabel.removeAttr("hidden")):(icon.addClass("hidden"),lockedLabel.attr("hidden",!0)),context})).then((function(context){return context.forumid=forumId,Templates.render("mod_forum/discussion_lock_toggle",context)})).then((function(html,js){return Templates.replaceNode(toggleElement,html,js)})).then((function(){return Str.get_string("lockupdated","forum").done((function(s){return Notification.addNotification({message:s,type:"info"})}))})).catch(Notification.exception),e.preventDefault()}))}(root)}}}));
+
+//# sourceMappingURL=discussion_list.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/discussion_list.min.js.map b/mod/forum/amd/build/discussion_list.min.js.map
index c53d19983b3..7b7acead25f 100644
--- a/mod/forum/amd/build/discussion_list.min.js.map
+++ b/mod/forum/amd/build/discussion_list.min.js.map
@@ -1 +1 @@
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module for the list of discussions on when viewing a forum.\n *\n * @module     mod_forum/discussion_list\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/templates',\n    'core/str',\n    'core/notification',\n    'mod_forum/subscription_toggle',\n    'mod_forum/selectors',\n    'mod_forum/repository',\n    'core/pubsub',\n    'mod_forum/forum_events',\n], function(\n    $,\n    Templates,\n    Str,\n    Notification,\n    SubscriptionToggle,\n    Selectors,\n    Repository,\n    PubSub,\n    ForumEvents\n) {\n    var registerEventListeners = function(root) {\n        PubSub.subscribe(ForumEvents.SUBSCRIPTION_TOGGLED, function(data) {\n            var discussionId = data.discussionId;\n            var subscribed = data.subscriptionState;\n            var discussionListItem = root.find(Selectors.discussion.item + '[data-discussionid= ' + discussionId + ']');\n            var subscribedLabel = discussionListItem.find(Selectors.discussion.subscribedLabel);\n            if (subscribed) {\n                discussionListItem.addClass('subscribed');\n                subscribedLabel.removeAttr('hidden');\n            } else {\n                discussionListItem.removeClass('subscribed');\n                subscribedLabel.attr('hidden', true);\n            }\n        });\n\n        root.on('click', Selectors.favourite.toggle, function() {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var subscriptionState = toggleElement.data('targetstate');\n            Repository.setFavouriteDiscussionState(forumId, discussionId, subscriptionState)\n                .then(function() {\n                    return location.reload();\n                })\n                .catch(Notification.exception);\n        });\n\n        root.on('click', Selectors.pin.toggle, function(e) {\n            e.preventDefault();\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var state = toggleElement.data('targetstate');\n            Repository.setPinDiscussionState(forumId, discussionId, state)\n                .then(function() {\n                    return location.reload();\n                })\n                .catch(Notification.exception);\n        });\n\n        root.on('click', Selectors.lock.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var state = toggleElement.data('state');\n\n            Repository.setDiscussionLockState(forumId, discussionId, state)\n                .then(function(context) {\n                    var icon = toggleElement.parents(Selectors.summary.actions).find(Selectors.lock.icon);\n                    var lockedLabel = toggleElement.parents(Selectors.discussion.item).find(Selectors.discussion.lockedLabel);\n                    if (context.locked) {\n                        icon.removeClass('hidden');\n                        lockedLabel.removeAttr('hidden');\n                    } else {\n                        icon.addClass('hidden');\n                        lockedLabel.attr('hidden', true);\n                    }\n                    return context;\n                })\n                .then(function(context) {\n                    context.forumid = forumId;\n                    return Templates.render('mod_forum/discussion_lock_toggle', context);\n                })\n                .then(function(html, js) {\n                    return Templates.replaceNode(toggleElement, html, js);\n                })\n                .then(function() {\n                    return Str.get_string('lockupdated', 'forum')\n                        .done(function(s) {\n                            return Notification.addNotification({\n                                message: s,\n                                type: \"info\"\n                            });\n                        });\n                })\n                .catch(Notification.exception);\n\n            e.preventDefault();\n        });\n    };\n\n    return {\n        init: function(root) {\n            SubscriptionToggle.init(root, false, function(toggleElement, context) {\n                var toggleId = toggleElement.attr('id');\n                var newTargetState = context.userstate.subscribed ? 0 : 1;\n                toggleElement.data('targetstate', newTargetState);\n\n                var stringKey = context.userstate.subscribed ? 'unsubscribediscussion' : 'subscribediscussion';\n                return Str.get_string(stringKey, 'mod_forum')\n                    .then(function(string) {\n                        toggleElement.closest('td').find('label[for=\"' + toggleId + '\"]').find('span').text(string);\n                        return string;\n                    });\n            });\n            registerEventListeners(root);\n        }\n    };\n});\n"],"file":"discussion_list.min.js"}
\ No newline at end of file
+{"version":3,"file":"discussion_list.min.js","sources":["../src/discussion_list.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module for the list of discussions on when viewing a forum.\n *\n * @module     mod_forum/discussion_list\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/templates',\n    'core/str',\n    'core/notification',\n    'mod_forum/subscription_toggle',\n    'mod_forum/selectors',\n    'mod_forum/repository',\n    'core/pubsub',\n    'mod_forum/forum_events',\n], function(\n    $,\n    Templates,\n    Str,\n    Notification,\n    SubscriptionToggle,\n    Selectors,\n    Repository,\n    PubSub,\n    ForumEvents\n) {\n    var registerEventListeners = function(root) {\n        PubSub.subscribe(ForumEvents.SUBSCRIPTION_TOGGLED, function(data) {\n            var discussionId = data.discussionId;\n            var subscribed = data.subscriptionState;\n            var discussionListItem = root.find(Selectors.discussion.item + '[data-discussionid= ' + discussionId + ']');\n            var subscribedLabel = discussionListItem.find(Selectors.discussion.subscribedLabel);\n            if (subscribed) {\n                discussionListItem.addClass('subscribed');\n                subscribedLabel.removeAttr('hidden');\n            } else {\n                discussionListItem.removeClass('subscribed');\n                subscribedLabel.attr('hidden', true);\n            }\n        });\n\n        root.on('click', Selectors.favourite.toggle, function() {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var subscriptionState = toggleElement.data('targetstate');\n            Repository.setFavouriteDiscussionState(forumId, discussionId, subscriptionState)\n                .then(function() {\n                    return location.reload();\n                })\n                .catch(Notification.exception);\n        });\n\n        root.on('click', Selectors.pin.toggle, function(e) {\n            e.preventDefault();\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var state = toggleElement.data('targetstate');\n            Repository.setPinDiscussionState(forumId, discussionId, state)\n                .then(function() {\n                    return location.reload();\n                })\n                .catch(Notification.exception);\n        });\n\n        root.on('click', Selectors.lock.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var state = toggleElement.data('state');\n\n            Repository.setDiscussionLockState(forumId, discussionId, state)\n                .then(function(context) {\n                    var icon = toggleElement.parents(Selectors.summary.actions).find(Selectors.lock.icon);\n                    var lockedLabel = toggleElement.parents(Selectors.discussion.item).find(Selectors.discussion.lockedLabel);\n                    if (context.locked) {\n                        icon.removeClass('hidden');\n                        lockedLabel.removeAttr('hidden');\n                    } else {\n                        icon.addClass('hidden');\n                        lockedLabel.attr('hidden', true);\n                    }\n                    return context;\n                })\n                .then(function(context) {\n                    context.forumid = forumId;\n                    return Templates.render('mod_forum/discussion_lock_toggle', context);\n                })\n                .then(function(html, js) {\n                    return Templates.replaceNode(toggleElement, html, js);\n                })\n                .then(function() {\n                    return Str.get_string('lockupdated', 'forum')\n                        .done(function(s) {\n                            return Notification.addNotification({\n                                message: s,\n                                type: \"info\"\n                            });\n                        });\n                })\n                .catch(Notification.exception);\n\n            e.preventDefault();\n        });\n    };\n\n    return {\n        init: function(root) {\n            SubscriptionToggle.init(root, false, function(toggleElement, context) {\n                var toggleId = toggleElement.attr('id');\n                var newTargetState = context.userstate.subscribed ? 0 : 1;\n                toggleElement.data('targetstate', newTargetState);\n\n                var stringKey = context.userstate.subscribed ? 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\ No newline at end of file
diff --git a/mod/forum/amd/build/discussion_nested_v2.min.js b/mod/forum/amd/build/discussion_nested_v2.min.js
index 93b4d146c05..401fe943f3a 100644
--- a/mod/forum/amd/build/discussion_nested_v2.min.js
+++ b/mod/forum/amd/build/discussion_nested_v2.min.js
@@ -1,2 +1,3 @@
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_templates.default.render("mod_forum/inpage_reply_v2",context)},registerEventListeners=function(root){_custom_interaction_events.default.define(root,[_custom_interaction_events.default.events.activate]),_auto_rows.default.init(root),root.on(_custom_interaction_events.default.events.activate,_selectors.default.post.inpageReplyCreateButton,(function(e,data){data.originalEvent.preventDefault();var postContainer=getPostContainer((0,_jquery.default)(e.currentTarget));showInPageReplyForm(postContainer)})),root.on(_custom_interaction_events.default.events.activate,_selectors.default.post.inpageReplyCancelButton,(function(e,data){data.originalEvent.preventDefault();var postContainer=getPostContainer((0,_jquery.default)(e.currentTarget));hideInPageReplyForm(postContainer)})),root.on(_custom_interaction_events.default.events.activate,_selectors.default.post.showReplies,(function(e,data){data.originalEvent.preventDefault();var postContainer=getPostContainer((0,_jquery.default)(e.target));showReplies(postContainer)})),root.on(_custom_interaction_events.default.events.activate,_selectors.default.post.hideReplies,(function(e,data){data.originalEvent.preventDefault();var postContainer=getPostContainer((0,_jquery.default)(e.target));hideReplies(postContainer)})),root.on(_inpage_reply.default.EVENTS.POST_CREATED,_selectors.default.post.inpageSubmitBtn,(function(e,newPostId){var currentTarget=(0,_jquery.default)(e.currentTarget),postContainer=getPostContainer(currentTarget),postContainers=currentTarget.parents(_selectors.default.post.post);hideInPageReplyForm(postContainer,newPostId),postContainers.each((function(index,container){!function(postContainer){getRepliesVisibilityToggleContainer(postContainer).find(_selectors.default.post.replyCount).each((function(index,element){var currentCount=parseInt(element.innerText,10);element.innerText=currentCount+1}))}((0,_jquery.default)(container))}))}))};_exports.init=function(root,context){showInPageReplyForm=buildShowInPageReplyFormFunction(context),registerEventListeners(root),_discussion.default.init(root),_inpage_reply.default.init(root);var discussionToolsContainer=root.find(_selectors.default.discussion.tools);_lock_toggle.default.init(discussionToolsContainer,!1),_favourite_toggle.default.init(discussionToolsContainer,!1,(function(toggleElement,response){var newTargetState=response.userstate.favourited?0:1;return toggleElement.data("targetstate",newTargetState)})),_pin_toggle.default.init(discussionToolsContainer,!1,(function(toggleElement,response){var newTargetState=response.pinned?0:1;return toggleElement.data("targetstate",newTargetState)})),_subscription_toggle.default.init(discussionToolsContainer,!1,(function(toggleElement,response){var newTargetState=response.userstate.subscribed?0:1;toggleElement.data("targetstate",newTargetState)}))}}));
+
+//# sourceMappingURL=discussion_nested_v2.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/discussion_nested_v2.min.js.map b/mod/forum/amd/build/discussion_nested_v2.min.js.map
index 95368adb293..f69d6812008 100644
--- a/mod/forum/amd/build/discussion_nested_v2.min.js.map
+++ b/mod/forum/amd/build/discussion_nested_v2.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module for viewing a discussion in nested v2 view.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport $ from 'jquery';\nimport AutoRows from 'core/auto_rows';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport Discussion from 'mod_forum/discussion';\nimport InPageReply from 'mod_forum/inpage_reply';\nimport LockToggle from 'mod_forum/lock_toggle';\nimport FavouriteToggle from 'mod_forum/favourite_toggle';\nimport Pin from 'mod_forum/pin_toggle';\nimport Selectors from 'mod_forum/selectors';\nimport Subscribe from 'mod_forum/subscription_toggle';\n\nconst ANIMATION_DURATION = 150;\n\n/**\n * Get the closest post container element from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @return {Object} jQuery element\n */\nconst getPostContainer = (element) => {\n    return element.closest(Selectors.post.post);\n};\n\n/**\n * Get the closest post container element from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @param {Number} id Id of the post to find.\n * @return {Object} jQuery element\n */\nconst getPostContainerById = (element, id) => {\n    return element.find(`${Selectors.post.post}[data-post-id=${id}]`);\n};\n\n/**\n * Get the parent post container elements from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @return {Object} jQuery element\n */\nconst getParentPostContainers = (element) => {\n    return element.parents(Selectors.post.post);\n};\n\n/**\n * Get the post content container element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getPostContentContainer = (postContainer) => {\n    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the post container\n * @return {Bool}\n */\nconst hasReplies = (postContainer) => {\n    return getRepliesContainer(postContainer).children().length > 0;\n};\n\n/**\n * Get the show replies button element from the replies visibility toggle container element.\n *\n * @param {Object} replyVisibilityToggleContainer jQuery element for the toggle container\n * @return {Object} jQuery element\n */\nconst getShowRepliesButton = (replyVisibilityToggleContainer) => {\n    return replyVisibilityToggleContainer.find(Selectors.post.showReplies);\n};\n\n/**\n * Get the hide replies button element from the replies visibility toggle container element.\n *\n * @param {Object} replyVisibilityToggleContainer jQuery element for the toggle container\n * @return {Object} jQuery element\n */\nconst getHideRepliesButton = (replyVisibilityToggleContainer) => {\n    return replyVisibilityToggleContainer.find(Selectors.post.hideReplies);\n};\n\n/**\n * Check if the replies are visible.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Bool}\n */\nconst repliesVisible = (postContainer) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    return repliesContainer.is(':visible');\n};\n\n/**\n * Show the post replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @param {Number|null} postIdToSee Id of the post to scroll into view (if any)\n */\nconst showReplies = (postContainer, postIdToSee = null) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    const replyVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n    const showButton = getShowRepliesButton(replyVisibilityToggleContainer);\n    const hideButton = getHideRepliesButton(replyVisibilityToggleContainer);\n\n    showButton.addClass('hidden');\n    hideButton.removeClass('hidden');\n\n    repliesContainer.slideDown({\n        duration: ANIMATION_DURATION,\n        queue: false,\n        complete: () => {\n            if (postIdToSee) {\n                const postContainerToSee = getPostContainerById(repliesContainer, postIdToSee);\n                if (postContainerToSee.length) {\n                    postContainerToSee[0].scrollIntoView();\n                }\n            }\n        }\n    }).css('display', 'none').fadeIn(ANIMATION_DURATION);\n};\n\n/**\n * Hide the post replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n */\nconst hideReplies = (postContainer) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    const replyVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n    const showButton = getShowRepliesButton(replyVisibilityToggleContainer);\n    const hideButton = getHideRepliesButton(replyVisibilityToggleContainer);\n\n    showButton.removeClass('hidden');\n    hideButton.addClass('hidden');\n\n    repliesContainer.slideUp({\n        duration: ANIMATION_DURATION,\n        queue: false\n    }).fadeOut(ANIMATION_DURATION);\n};\n\n/** Variable to hold the showInPageReplyForm function after it's built. */\nlet showInPageReplyForm = null;\n\n/**\n * Build the showInPageReplyForm function with the given additional template context.\n *\n * @param {Object} additionalTemplateContext Additional render context for the in page reply template.\n * @return {Function}\n */\nconst buildShowInPageReplyFormFunction = (additionalTemplateContext) => {\n    /**\n     * Show the in page reply form in the given in page reply container. The form\n     * display will be animated.\n     *\n     * @param {Object} postContainer jQuery element for the post container\n     */\n    return async (postContainer) => {\n\n        const inPageReplyContainer = getInPageReplyContainer(postContainer);\n        const repliesVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n        const inPageReplyCreateButton = getInPageReplyCreateButton(postContainer);\n\n        if (!hasInPageReplyForm(inPageReplyContainer)) {\n            try {\n                const html = await renderInPageReplyTemplate(additionalTemplateContext, inPageReplyCreateButton, postContainer);\n                Templates.appendNodeContents(inPageReplyContainer, html, '');\n            } catch (e) {\n                Notification.exception(e);\n            }\n\n            // Load formchangechecker module.\n            import('core/yui')\n                .then(Y => {\n                    return new Promise(resolve => {\n                        Y.use('moodle-core-formchangechecker', Y => {\n                            resolve(Y);\n                        });\n                    });\n                })\n                .then(Y => {\n                    M.core_formchangechecker.init({formid: Y.one(postContainer[0].querySelector('form')).generateID()});\n                    return Y;\n                })\n                .catch();\n        }\n\n        inPageReplyCreateButton.fadeOut(ANIMATION_DURATION, () => {\n            const inPageReplyForm = getInPageReplyForm(postContainer);\n            inPageReplyForm.slideDown({\n                duration: ANIMATION_DURATION,\n                queue: false,\n                complete: () => {\n                    inPageReplyForm.find('textarea').focus();\n                }\n            }).css('display', 'none').fadeIn(ANIMATION_DURATION);\n\n            if (repliesVisibilityToggleContainer.length && hasReplies(postContainer)) {\n                repliesVisibilityToggleContainer.fadeIn(ANIMATION_DURATION);\n                hideReplies(postContainer);\n            }\n        });\n    };\n};\n\n/**\n * Hide the in page reply form in the given in page reply container. The form\n * display will be animated.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @param {Number|null} postIdToSee Id of the post to scroll into view (if any)\n */\nconst hideInPageReplyForm = (postContainer, postIdToSee = null) => {\n    const inPageReplyForm = getInPageReplyForm(postContainer);\n    const inPageReplyCreateButton = getInPageReplyCreateButton(postContainer);\n    const repliesVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n\n    if (repliesVisibilityToggleContainer.length && hasReplies(postContainer)) {\n        repliesVisibilityToggleContainer.fadeOut(ANIMATION_DURATION);\n        if (!repliesVisible(postContainer)) {\n            showReplies(postContainer, postIdToSee);\n        }\n    }\n\n    inPageReplyForm.slideUp({\n        duration: ANIMATION_DURATION,\n        queue: false,\n        complete: () => {\n            inPageReplyCreateButton.fadeIn(ANIMATION_DURATION);\n        }\n    }).fadeOut(200);\n};\n\n/**\n * Check if the in page reply container contains the in page reply form.\n *\n * @param {Object} inPageReplyContainer jQuery element for the in page reply container\n * @return {Bool}\n */\nconst hasInPageReplyForm = (inPageReplyContainer) => {\n    return inPageReplyContainer.find(Selectors.post.inpageReplyContent).length > 0;\n};\n\n/**\n * Render the template to generate the in page reply form HTML.\n *\n * @param {Object} additionalTemplateContext Additional render context for the in page reply template\n * @param {Object} button jQuery element for the reply button that was clicked\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery promise\n */\nconst renderInPageReplyTemplate = (additionalTemplateContext, button, postContainer) => {\n    const postContentContainer = getPostContentContainer(postContainer);\n    const currentSubject = postContentContainer.find(Selectors.post.forumSubject).text();\n    const currentAuthorName = postContentContainer.find(Selectors.post.authorName).text();\n    const context = {\n        postid: postContainer.data('post-id'),\n        \"reply_url\": button.attr('data-href'),\n        sesskey: M.cfg.sesskey,\n        parentsubject: currentSubject,\n        parentauthorname: currentAuthorName,\n        canreplyprivately: button.data('can-reply-privately'),\n        postformat: InPageReply.CONTENT_FORMATS.MOODLE,\n        ...additionalTemplateContext\n    };\n\n    return Templates.render('mod_forum/inpage_reply_v2', context);\n};\n\n/**\n * Increment the total reply count in the show/hide replies buttons for the post.\n *\n * @param {Object} postContainer jQuery element for the post container\n */\nconst incrementTotalReplyCount = (postContainer) => {\n    getRepliesVisibilityToggleContainer(postContainer).find(Selectors.post.replyCount).each((index, element) => {\n        const currentCount = parseInt(element.innerText, 10);\n        element.innerText = currentCount + 1;\n    });\n};\n\n/**\n * Create all of the event listeners for the discussion.\n *\n * @param {Object} root jQuery element for the discussion container\n */\nconst registerEventListeners = (root) => {\n    CustomEvents.define(root, [CustomEvents.events.activate]);\n    // Auto expanding text area for in page reply.\n    AutoRows.init(root);\n\n    // Reply button is clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.inpageReplyCreateButton, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.currentTarget));\n        showInPageReplyForm(postContainer);\n    });\n\n    // Cancel in page reply button.\n    root.on(CustomEvents.events.activate, Selectors.post.inpageReplyCancelButton, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.currentTarget));\n        hideInPageReplyForm(postContainer);\n    });\n\n    // Show replies button clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.showReplies, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.target));\n        showReplies(postContainer);\n    });\n\n    // Hide replies button clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.hideReplies, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.target));\n        hideReplies(postContainer);\n    });\n\n    // Post created with in page reply.\n    root.on(InPageReply.EVENTS.POST_CREATED, Selectors.post.inpageSubmitBtn, (e, newPostId) => {\n        const currentTarget = $(e.currentTarget);\n        const postContainer = getPostContainer(currentTarget);\n        const postContainers = getParentPostContainers(currentTarget);\n        hideInPageReplyForm(postContainer, newPostId);\n\n        postContainers.each((index, container) => {\n            incrementTotalReplyCount($(container));\n        });\n    });\n};\n\n/**\n * Initialise the javascript for the discussion in nested v2 display mode.\n *\n * @param {Object} root jQuery element for the discussion container\n * @param {Object} context Additional render context for the in page reply template\n */\nexport const init = (root, context) => {\n    // Build the showInPageReplyForm function with the additional render context.\n    showInPageReplyForm = buildShowInPageReplyFormFunction(context);\n    // Add discussion event listeners.\n    registerEventListeners(root);\n    // Initialise default discussion javascript (keyboard nav etc).\n    Discussion.init(root);\n    // Add in page reply javascript.\n    InPageReply.init(root);\n\n    // Initialise the settings menu javascript.\n    const discussionToolsContainer = root.find(Selectors.discussion.tools);\n    LockToggle.init(discussionToolsContainer, false);\n    FavouriteToggle.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.userstate.favourited ? 0 : 1;\n        return toggleElement.data('targetstate', newTargetState);\n    });\n    Pin.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.pinned ? 0 : 1;\n        return toggleElement.data('targetstate', newTargetState);\n    });\n    Subscribe.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.userstate.subscribed ? 0 : 1;\n        toggleElement.data('targetstate', newTargetState);\n    });\n};\n"],"file":"discussion_nested_v2.min.js"}
\ No newline at end of file
+{"version":3,"file":"discussion_nested_v2.min.js","sources":["../src/discussion_nested_v2.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module for viewing a discussion in nested v2 view.\n *\n * @copyright  2019 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport $ from 'jquery';\nimport AutoRows from 'core/auto_rows';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport Discussion from 'mod_forum/discussion';\nimport InPageReply from 'mod_forum/inpage_reply';\nimport LockToggle from 'mod_forum/lock_toggle';\nimport FavouriteToggle from 'mod_forum/favourite_toggle';\nimport Pin from 'mod_forum/pin_toggle';\nimport Selectors from 'mod_forum/selectors';\nimport Subscribe from 'mod_forum/subscription_toggle';\n\nconst ANIMATION_DURATION = 150;\n\n/**\n * Get the closest post container element from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @return {Object} jQuery element\n */\nconst getPostContainer = (element) => {\n    return element.closest(Selectors.post.post);\n};\n\n/**\n * Get the closest post container element from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @param {Number} id Id of the post to find.\n * @return {Object} jQuery element\n */\nconst getPostContainerById = (element, id) => {\n    return element.find(`${Selectors.post.post}[data-post-id=${id}]`);\n};\n\n/**\n * Get the parent post container elements from the given element.\n *\n * @param {Object} element jQuery element to search from\n * @return {Object} jQuery element\n */\nconst getParentPostContainers = (element) => {\n    return element.parents(Selectors.post.post);\n};\n\n/**\n * Get the post content container element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getPostContentContainer = (postContainer) => {\n    return postContainer.children().not(Selectors.post.repliesContainer).find(Selectors.post.forumCoreContent);\n};\n\n/**\n * Get the in page reply container element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getInPageReplyContainer = (postContainer) => {\n    return postContainer.children().filter(Selectors.post.inpageReplyContainer);\n};\n\n/**\n * Get the in page reply form element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getInPageReplyForm = (postContainer) => {\n    return getInPageReplyContainer(postContainer).find(Selectors.post.inpageReplyContent);\n};\n\n/**\n * Get the in page reply create (reply) button element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getInPageReplyCreateButton = (postContainer) => {\n    return getPostContentContainer(postContainer).find(Selectors.post.inpageReplyCreateButton);\n};\n\n/**\n * Get the replies visibility toggle container (show/hide replies button container) element\n * from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getRepliesVisibilityToggleContainer = (postContainer) => {\n    return postContainer.children(Selectors.post.repliesVisibilityToggleContainer);\n};\n\n/**\n * Get the replies container element from the post container element.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery element\n */\nconst getRepliesContainer = (postContainer) => {\n    return postContainer.children(Selectors.post.repliesContainer);\n};\n\n/**\n * Check if the post has any replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Bool}\n */\nconst hasReplies = (postContainer) => {\n    return getRepliesContainer(postContainer).children().length > 0;\n};\n\n/**\n * Get the show replies button element from the replies visibility toggle container element.\n *\n * @param {Object} replyVisibilityToggleContainer jQuery element for the toggle container\n * @return {Object} jQuery element\n */\nconst getShowRepliesButton = (replyVisibilityToggleContainer) => {\n    return replyVisibilityToggleContainer.find(Selectors.post.showReplies);\n};\n\n/**\n * Get the hide replies button element from the replies visibility toggle container element.\n *\n * @param {Object} replyVisibilityToggleContainer jQuery element for the toggle container\n * @return {Object} jQuery element\n */\nconst getHideRepliesButton = (replyVisibilityToggleContainer) => {\n    return replyVisibilityToggleContainer.find(Selectors.post.hideReplies);\n};\n\n/**\n * Check if the replies are visible.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @return {Bool}\n */\nconst repliesVisible = (postContainer) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    return repliesContainer.is(':visible');\n};\n\n/**\n * Show the post replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @param {Number|null} postIdToSee Id of the post to scroll into view (if any)\n */\nconst showReplies = (postContainer, postIdToSee = null) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    const replyVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n    const showButton = getShowRepliesButton(replyVisibilityToggleContainer);\n    const hideButton = getHideRepliesButton(replyVisibilityToggleContainer);\n\n    showButton.addClass('hidden');\n    hideButton.removeClass('hidden');\n\n    repliesContainer.slideDown({\n        duration: ANIMATION_DURATION,\n        queue: false,\n        complete: () => {\n            if (postIdToSee) {\n                const postContainerToSee = getPostContainerById(repliesContainer, postIdToSee);\n                if (postContainerToSee.length) {\n                    postContainerToSee[0].scrollIntoView();\n                }\n            }\n        }\n    }).css('display', 'none').fadeIn(ANIMATION_DURATION);\n};\n\n/**\n * Hide the post replies.\n *\n * @param {Object} postContainer jQuery element for the post container\n */\nconst hideReplies = (postContainer) => {\n    const repliesContainer = getRepliesContainer(postContainer);\n    const replyVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n    const showButton = getShowRepliesButton(replyVisibilityToggleContainer);\n    const hideButton = getHideRepliesButton(replyVisibilityToggleContainer);\n\n    showButton.removeClass('hidden');\n    hideButton.addClass('hidden');\n\n    repliesContainer.slideUp({\n        duration: ANIMATION_DURATION,\n        queue: false\n    }).fadeOut(ANIMATION_DURATION);\n};\n\n/** Variable to hold the showInPageReplyForm function after it's built. */\nlet showInPageReplyForm = null;\n\n/**\n * Build the showInPageReplyForm function with the given additional template context.\n *\n * @param {Object} additionalTemplateContext Additional render context for the in page reply template.\n * @return {Function}\n */\nconst buildShowInPageReplyFormFunction = (additionalTemplateContext) => {\n    /**\n     * Show the in page reply form in the given in page reply container. The form\n     * display will be animated.\n     *\n     * @param {Object} postContainer jQuery element for the post container\n     */\n    return async (postContainer) => {\n\n        const inPageReplyContainer = getInPageReplyContainer(postContainer);\n        const repliesVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n        const inPageReplyCreateButton = getInPageReplyCreateButton(postContainer);\n\n        if (!hasInPageReplyForm(inPageReplyContainer)) {\n            try {\n                const html = await renderInPageReplyTemplate(additionalTemplateContext, inPageReplyCreateButton, postContainer);\n                Templates.appendNodeContents(inPageReplyContainer, html, '');\n            } catch (e) {\n                Notification.exception(e);\n            }\n\n            // Load formchangechecker module.\n            import('core/yui')\n                .then(Y => {\n                    return new Promise(resolve => {\n                        Y.use('moodle-core-formchangechecker', Y => {\n                            resolve(Y);\n                        });\n                    });\n                })\n                .then(Y => {\n                    M.core_formchangechecker.init({formid: Y.one(postContainer[0].querySelector('form')).generateID()});\n                    return Y;\n                })\n                .catch();\n        }\n\n        inPageReplyCreateButton.fadeOut(ANIMATION_DURATION, () => {\n            const inPageReplyForm = getInPageReplyForm(postContainer);\n            inPageReplyForm.slideDown({\n                duration: ANIMATION_DURATION,\n                queue: false,\n                complete: () => {\n                    inPageReplyForm.find('textarea').focus();\n                }\n            }).css('display', 'none').fadeIn(ANIMATION_DURATION);\n\n            if (repliesVisibilityToggleContainer.length && hasReplies(postContainer)) {\n                repliesVisibilityToggleContainer.fadeIn(ANIMATION_DURATION);\n                hideReplies(postContainer);\n            }\n        });\n    };\n};\n\n/**\n * Hide the in page reply form in the given in page reply container. The form\n * display will be animated.\n *\n * @param {Object} postContainer jQuery element for the post container\n * @param {Number|null} postIdToSee Id of the post to scroll into view (if any)\n */\nconst hideInPageReplyForm = (postContainer, postIdToSee = null) => {\n    const inPageReplyForm = getInPageReplyForm(postContainer);\n    const inPageReplyCreateButton = getInPageReplyCreateButton(postContainer);\n    const repliesVisibilityToggleContainer = getRepliesVisibilityToggleContainer(postContainer);\n\n    if (repliesVisibilityToggleContainer.length && hasReplies(postContainer)) {\n        repliesVisibilityToggleContainer.fadeOut(ANIMATION_DURATION);\n        if (!repliesVisible(postContainer)) {\n            showReplies(postContainer, postIdToSee);\n        }\n    }\n\n    inPageReplyForm.slideUp({\n        duration: ANIMATION_DURATION,\n        queue: false,\n        complete: () => {\n            inPageReplyCreateButton.fadeIn(ANIMATION_DURATION);\n        }\n    }).fadeOut(200);\n};\n\n/**\n * Check if the in page reply container contains the in page reply form.\n *\n * @param {Object} inPageReplyContainer jQuery element for the in page reply container\n * @return {Bool}\n */\nconst hasInPageReplyForm = (inPageReplyContainer) => {\n    return inPageReplyContainer.find(Selectors.post.inpageReplyContent).length > 0;\n};\n\n/**\n * Render the template to generate the in page reply form HTML.\n *\n * @param {Object} additionalTemplateContext Additional render context for the in page reply template\n * @param {Object} button jQuery element for the reply button that was clicked\n * @param {Object} postContainer jQuery element for the post container\n * @return {Object} jQuery promise\n */\nconst renderInPageReplyTemplate = (additionalTemplateContext, button, postContainer) => {\n    const postContentContainer = getPostContentContainer(postContainer);\n    const currentSubject = postContentContainer.find(Selectors.post.forumSubject).text();\n    const currentAuthorName = postContentContainer.find(Selectors.post.authorName).text();\n    const context = {\n        postid: postContainer.data('post-id'),\n        \"reply_url\": button.attr('data-href'),\n        sesskey: M.cfg.sesskey,\n        parentsubject: currentSubject,\n        parentauthorname: currentAuthorName,\n        canreplyprivately: button.data('can-reply-privately'),\n        postformat: InPageReply.CONTENT_FORMATS.MOODLE,\n        ...additionalTemplateContext\n    };\n\n    return Templates.render('mod_forum/inpage_reply_v2', context);\n};\n\n/**\n * Increment the total reply count in the show/hide replies buttons for the post.\n *\n * @param {Object} postContainer jQuery element for the post container\n */\nconst incrementTotalReplyCount = (postContainer) => {\n    getRepliesVisibilityToggleContainer(postContainer).find(Selectors.post.replyCount).each((index, element) => {\n        const currentCount = parseInt(element.innerText, 10);\n        element.innerText = currentCount + 1;\n    });\n};\n\n/**\n * Create all of the event listeners for the discussion.\n *\n * @param {Object} root jQuery element for the discussion container\n */\nconst registerEventListeners = (root) => {\n    CustomEvents.define(root, [CustomEvents.events.activate]);\n    // Auto expanding text area for in page reply.\n    AutoRows.init(root);\n\n    // Reply button is clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.inpageReplyCreateButton, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.currentTarget));\n        showInPageReplyForm(postContainer);\n    });\n\n    // Cancel in page reply button.\n    root.on(CustomEvents.events.activate, Selectors.post.inpageReplyCancelButton, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.currentTarget));\n        hideInPageReplyForm(postContainer);\n    });\n\n    // Show replies button clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.showReplies, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.target));\n        showReplies(postContainer);\n    });\n\n    // Hide replies button clicked.\n    root.on(CustomEvents.events.activate, Selectors.post.hideReplies, (e, data) => {\n        data.originalEvent.preventDefault();\n        const postContainer = getPostContainer($(e.target));\n        hideReplies(postContainer);\n    });\n\n    // Post created with in page reply.\n    root.on(InPageReply.EVENTS.POST_CREATED, Selectors.post.inpageSubmitBtn, (e, newPostId) => {\n        const currentTarget = $(e.currentTarget);\n        const postContainer = getPostContainer(currentTarget);\n        const postContainers = getParentPostContainers(currentTarget);\n        hideInPageReplyForm(postContainer, newPostId);\n\n        postContainers.each((index, container) => {\n            incrementTotalReplyCount($(container));\n        });\n    });\n};\n\n/**\n * Initialise the javascript for the discussion in nested v2 display mode.\n *\n * @param {Object} root jQuery element for the discussion container\n * @param {Object} context Additional render context for the in page reply template\n */\nexport const init = (root, context) => {\n    // Build the showInPageReplyForm function with the additional render context.\n    showInPageReplyForm = buildShowInPageReplyFormFunction(context);\n    // Add discussion event listeners.\n    registerEventListeners(root);\n    // Initialise default discussion javascript (keyboard nav etc).\n    Discussion.init(root);\n    // Add in page reply javascript.\n    InPageReply.init(root);\n\n    // Initialise the settings menu javascript.\n    const discussionToolsContainer = root.find(Selectors.discussion.tools);\n    LockToggle.init(discussionToolsContainer, false);\n    FavouriteToggle.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.userstate.favourited ? 0 : 1;\n        return toggleElement.data('targetstate', newTargetState);\n    });\n    Pin.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.pinned ? 0 : 1;\n        return toggleElement.data('targetstate', newTargetState);\n    });\n    Subscribe.init(discussionToolsContainer, false, (toggleElement, response) => {\n        const newTargetState = response.userstate.subscribed ? 0 : 1;\n        toggleElement.data('targetstate', newTargetState);\n    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\ No newline at end of file
diff --git a/mod/forum/amd/build/favourite_toggle.min.js b/mod/forum/amd/build/favourite_toggle.min.js
index 87291cda0a5..581f50d3e89 100644
--- a/mod/forum/amd/build/favourite_toggle.min.js
+++ b/mod/forum/amd/build/favourite_toggle.min.js
@@ -1,2 +1,12 @@
-define ("mod_forum/favourite_toggle",["jquery","core/templates","core/notification","mod_forum/repository","mod_forum/selectors","core/str"],function(a,b,c,d,e,f){return{init:function registerEventListeners(b,g,h){b.on("click",e.favourite.toggle,function(b){var e=a(this),i=e.data("forumid"),j=e.data("discussionid"),k=e.data("targetstate");d.setFavouriteDiscussionState(i,j,k).then(function(a){return h(e,a)}).then(function(){return f.get_string("favouriteupdated","forum").done(function(a){return c.addNotification({message:a,type:"info"})})}).catch(c.exception);if(g){b.preventDefault()}})}}});
-//# sourceMappingURL=favourite_toggle.min.js.map
+/**
+ * Handle discussion subscription toggling on a discussion list in
+ * the forum view.
+ *
+ * @module     mod_forum/favourite_toggle
+ * @package    mod_forum
+ * @copyright  2019 Peter Dias <peter@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/favourite_toggle",["jquery","core/templates","core/notification","mod_forum/repository","mod_forum/selectors","core/str"],(function($,Templates,Notification,Repository,Selectors,String){return{init:function(root,preventDefault,callback){root.on("click",Selectors.favourite.toggle,(function(e){var toggleElement=$(this),forumId=toggleElement.data("forumid"),discussionId=toggleElement.data("discussionid"),subscriptionState=toggleElement.data("targetstate");Repository.setFavouriteDiscussionState(forumId,discussionId,subscriptionState).then((function(context){return callback(toggleElement,context)})).then((function(){return String.get_string("favouriteupdated","forum").done((function(s){return Notification.addNotification({message:s,type:"info"})}))})).catch(Notification.exception),preventDefault&&e.preventDefault()}))}}}));
+
+//# sourceMappingURL=favourite_toggle.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/favourite_toggle.min.js.map b/mod/forum/amd/build/favourite_toggle.min.js.map
index aaf36cd7222..1648483c8e5 100644
--- a/mod/forum/amd/build/favourite_toggle.min.js.map
+++ b/mod/forum/amd/build/favourite_toggle.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"favourite_toggle.min.js","sources":["../src/favourite_toggle.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle discussion subscription toggling on a discussion list in\n * the forum view.\n *\n * @module     mod_forum/favourite_toggle\n * @package    mod_forum\n * @copyright  2019 Peter Dias <peter@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'mod_forum/repository',\n        'mod_forum/selectors',\n        'core/str',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Repository,\n        Selectors,\n        String\n    ) {\n\n    /**\n     * Register event listeners for the subscription toggle.\n     *\n     * @param {object} root The discussion list root element\n     * @param {boolean} preventDefault Should the default action of the event be prevented\n     * @param {function} callback Success callback\n     */\n    var registerEventListeners = function(root, preventDefault, callback) {\n        root.on('click', Selectors.favourite.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var subscriptionState = toggleElement.data('targetstate');\n\n            Repository.setFavouriteDiscussionState(forumId, discussionId, subscriptionState)\n                .then(function(context) {\n                    return callback(toggleElement, context);\n                })\n                .then(function() {\n                    return String.get_string(\"favouriteupdated\", \"forum\")\n                        .done(function(s) {\n                            return Notification.addNotification({\n                                message: s,\n                                type: \"info\"\n                            });\n                        });\n                })\n                .catch(Notification.exception);\n\n            if (preventDefault) {\n                e.preventDefault();\n            }\n        });\n    };\n\n    return {\n        init: registerEventListeners\n    };\n});\n"],"names":["define","$","Templates","Notification","Repository","Selectors","String","init","root","preventDefault","callback","on","favourite","toggle","e","toggleElement","this","forumId","data","discussionId","subscriptionState","setFavouriteDiscussionState","then","context","get_string","done","s","addNotification","message","type","catch","exception"],"mappings":";;;;;;;;;AAwBAA,oCAAO,CACC,SACA,iBACA,oBACA,uBACA,sBACA,aACD,SACCC,EACAC,UACAC,aACAC,WACAC,UACAC,cAsCG,CACHC,KA7ByB,SAASC,KAAMC,eAAgBC,UACxDF,KAAKG,GAAG,QAASN,UAAUO,UAAUC,QAAQ,SAASC,OAC9CC,cAAgBd,EAAEe,MAClBC,QAAUF,cAAcG,KAAK,WAC7BC,aAAeJ,cAAcG,KAAK,gBAClCE,kBAAoBL,cAAcG,KAAK,eAE3Cd,WAAWiB,4BAA4BJ,QAASE,aAAcC,mBACzDE,MAAK,SAASC,gBACJb,SAASK,cAAeQ,YAElCD,MAAK,kBACKhB,OAAOkB,WAAW,mBAAoB,SACxCC,MAAK,SAASC,UACJvB,aAAawB,gBAAgB,CAChCC,QAASF,EACTG,KAAM,eAIrBC,MAAM3B,aAAa4B,WAEpBtB,gBACAK,EAAEL"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/form-user-selector.min.js b/mod/forum/amd/build/form-user-selector.min.js
index 4de61b175ca..6ca34d2acad 100644
--- a/mod/forum/amd/build/form-user-selector.min.js
+++ b/mod/forum/amd/build/form-user-selector.min.js
@@ -1,2 +1,12 @@
-define ("mod_forum/form-user-selector",["jquery","core/ajax","core/templates"],function(a,b,c){return{processResults:function processResults(b,c){var d=[];a.each(c,function(a,b){d.push({value:b.id,label:b._label})});return d},transport:function transport(d,e,f,g){var h,i=a(d).attr("courseid");h=b.call([{methodname:"core_enrol_search_users",args:{courseid:i,search:e,searchanywhere:!0,page:0,perpage:30}}]);h[0].then(function(b){var d=[],e=0;a.each(b,function(a,b){d.push(c.render("mod_forum/form-user-selector-suggestion",b))});return a.when.apply(a.when,d).then(function(){var c=arguments;a.each(b,function(a,b){b._label=c[e];e++});f(b)})}).fail(g)}}});
-//# sourceMappingURL=form-user-selector.min.js.map
+/**
+ * Enrolled user selector module.
+ *
+ * @module     mod_forum/form-user-selector
+ * @class      form-user-selector
+ * @package    mod_forum
+ * @copyright  2019 Shamim Rezaie
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/form-user-selector",["jquery","core/ajax","core/templates"],(function($,Ajax,Templates){return{processResults:function(selector,results){var users=[];return $.each(results,(function(index,user){users.push({value:user.id,label:user._label})})),users},transport:function(selector,query,success,failure){var courseid=$(selector).attr("courseid");Ajax.call([{methodname:"core_enrol_search_users",args:{courseid:courseid,search:query,searchanywhere:!0,page:0,perpage:30}}])[0].then((function(results){var promises=[],i=0;return $.each(results,(function(index,user){promises.push(Templates.render("mod_forum/form-user-selector-suggestion",user))})),$.when.apply($.when,promises).then((function(){var args=arguments;$.each(results,(function(index,user){user._label=args[i],i++})),success(results)}))})).fail(failure)}}}));
+
+//# sourceMappingURL=form-user-selector.min.js.map
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diff --git a/mod/forum/amd/build/form-user-selector.min.js.map b/mod/forum/amd/build/form-user-selector.min.js.map
index 3d1a5ffe5cc..e0362d35a30 100644
--- a/mod/forum/amd/build/form-user-selector.min.js.map
+++ b/mod/forum/amd/build/form-user-selector.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"form-user-selector.min.js","sources":["../src/form-user-selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enrolled user selector module.\n *\n * @module     mod_forum/form-user-selector\n * @class      form-user-selector\n * @package    mod_forum\n * @copyright  2019 Shamim Rezaie\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/templates'], function($, Ajax, Templates) {\n    return /** @alias module:mod_forum/form-user-selector */ {\n        processResults: function(selector, results) {\n            var users = [];\n            $.each(results, function(index, user) {\n                users.push({\n                    value: user.id,\n                    label: user._label\n                });\n            });\n            return users;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise;\n            var courseid = $(selector).attr('courseid');\n\n            promise = Ajax.call([{\n                methodname: 'core_enrol_search_users',\n                args: {\n                    courseid: courseid,\n                    search: query,\n                    searchanywhere: true,\n                    page: 0,\n                    perpage: 30\n                }\n            }]);\n\n            promise[0].then(function(results) {\n                var promises = [],\n                    i = 0;\n\n                // Render the label.\n                $.each(results, function(index, user) {\n                    promises.push(Templates.render('mod_forum/form-user-selector-suggestion', user));\n                });\n\n                // Apply the label to the results.\n                return $.when.apply($.when, promises).then(function() {\n                    var args = arguments;\n                    $.each(results, function(index, user) {\n                        user._label = args[i];\n                        i++;\n                    });\n                    success(results);\n                    return;\n                });\n\n            }).fail(failure);\n        }\n\n    };\n\n});\n"],"names":["define","$","Ajax","Templates","processResults","selector","results","users","each","index","user","push","value","id","label","_label","transport","query","success","failure","courseid","attr","call","methodname","args","search","searchanywhere","page","perpage","then","promises","i","render","when","apply","arguments","fail"],"mappings":";;;;;;;;;AAyBAA,sCAAO,CAAC,SAAU,YAAa,mBAAmB,SAASC,EAAGC,KAAMC,iBACP,CACrDC,eAAgB,SAASC,SAAUC,aAC3BC,MAAQ,UACZN,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BH,MAAMI,KAAK,CACPC,MAAOF,KAAKG,GACZC,MAAOJ,KAAKK,YAGbR,OAGXS,UAAW,SAASX,SAAUY,MAAOC,QAASC,aAEtCC,SAAWnB,EAAEI,UAAUgB,KAAK,YAEtBnB,KAAKoB,KAAK,CAAC,CACjBC,WAAY,0BACZC,KAAM,CACFJ,SAAUA,SACVK,OAAQR,MACRS,gBAAgB,EAChBC,KAAM,EACNC,QAAS,OAIT,GAAGC,MAAK,SAASvB,aACjBwB,SAAW,GACXC,EAAI,SAGR9B,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BoB,SAASnB,KAAKR,UAAU6B,OAAO,0CAA2CtB,UAIvET,EAAEgC,KAAKC,MAAMjC,EAAEgC,KAAMH,UAAUD,MAAK,eACnCL,KAAOW,UACXlC,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BA,KAAKK,OAASS,KAAKO,GACnBA,OAEJb,QAAQZ,eAIb8B,KAAKjB"}
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diff --git a/mod/forum/amd/build/forum_events.min.js b/mod/forum/amd/build/forum_events.min.js
index 87d4f07b1d3..a0a8baaf244 100644
--- a/mod/forum/amd/build/forum_events.min.js
+++ b/mod/forum/amd/build/forum_events.min.js
@@ -1,2 +1,11 @@
-define ("mod_forum/forum_events",[],function(){return{SUBSCRIPTION_TOGGLED:"mod_forum/subscription_toggle:subscriptionToggled"}});
-//# sourceMappingURL=forum_events.min.js.map
+/**
+ * Events for the forum activity.
+ *
+ * @module     mod_forum/forum_events
+ * @package    mod_forum
+ * @copyright  2019 Jun Pataleta <jun@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/forum_events",[],(function(){return{SUBSCRIPTION_TOGGLED:"mod_forum/subscription_toggle:subscriptionToggled"}}));
+
+//# sourceMappingURL=forum_events.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/forum_events.min.js.map b/mod/forum/amd/build/forum_events.min.js.map
index e0343be744a..3095a9e2e87 100644
--- a/mod/forum/amd/build/forum_events.min.js.map
+++ b/mod/forum/amd/build/forum_events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/forum_events.js"],"names":["define","SUBSCRIPTION_TOGGLED"],"mappings":"AAuBAA,OAAM,0BAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,oBAAoB,CAAE,mDADnB,CAGV,CAJK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the forum activity.\n *\n * @module     mod_forum/forum_events\n * @package    mod_forum\n * @copyright  2019 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        SUBSCRIPTION_TOGGLED: 'mod_forum/subscription_toggle:subscriptionToggled',\n    };\n});\n"],"file":"forum_events.min.js"}
\ No newline at end of file
+{"version":3,"file":"forum_events.min.js","sources":["../src/forum_events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Events for the forum activity.\n *\n * @module     mod_forum/forum_events\n * @package    mod_forum\n * @copyright  2019 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        SUBSCRIPTION_TOGGLED: 'mod_forum/subscription_toggle:subscriptionToggled',\n    };\n});\n"],"names":["define","SUBSCRIPTION_TOGGLED"],"mappings":";;;;;;;;AAuBAA,gCAAO,IAAI,iBACA,CACHC,qBAAsB"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/grades/expandconversation.min.js b/mod/forum/amd/build/grades/expandconversation.min.js
index 1686e5d97c2..2ef8435f094 100644
--- a/mod/forum/amd/build/grades/expandconversation.min.js
+++ b/mod/forum/amd/build/grades/expandconversation.min.js
@@ -1,2 +1,3 @@
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+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("mod_forum/grades/expandconversation",["exports","./grader/selectors","mod_forum/repository","core/notification","core/templates","core/modal_factory","core/modal_events"],(function(_exports,ForumSelectors,_repository,_notification,_templates,Modal,ModalEvents){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireWildcard(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return 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diff --git a/mod/forum/amd/build/grades/expandconversation.min.js.map b/mod/forum/amd/build/grades/expandconversation.min.js.map
index cd8c3ce86d7..15a553fd013 100644
--- a/mod/forum/amd/build/grades/expandconversation.min.js.map
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles the creation of a Modal that shows the user's post in context of the entire discussion.\n *\n * @module     mod_forum/grades/expandconversation\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as ForumSelectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport {exception as showException} from \"core/notification\";\nimport Templates from 'core/templates';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\n\n/**\n * Find the Node containing the gradable details from the provided node by searching up the tree.\n *\n * @param {HTMLElement} node\n * @returns {HTMLElement}\n */\nconst findGradableNode = node => node.closest(ForumSelectors.expandConversation);\n\n/**\n * Show the post in context in a modal.\n *\n * @param {HTMLElement} rootNode The button that has been clicked\n */\nconst showPostInContext = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const postId = rootNode.dataset.postid;\n    const discussionId = rootNode.dataset.discussionid;\n    const discussionName = rootNode.dataset.name;\n    const experimentalDisplayMode = rootNode.dataset.experimentalDisplayMode == \"1\";\n\n    const [\n        allPosts,\n        modal,\n    ] = await Promise.all([\n        Repository.getDiscussionPosts(parseInt(discussionId)),\n        Modal.create({\n            title: discussionName,\n            large: true,\n            type: Modal.types.CANCEL\n        }),\n    ]);\n\n    const postsById = new Map(allPosts.posts.map(post => {\n        post.readonly = true;\n        post.hasreplies = false;\n        post.replies = [];\n        return [post.id, post];\n    }));\n\n    let posts = [];\n    allPosts.posts.forEach(post => {\n        if (post.parentid) {\n            const parent = postsById.get(post.parentid);\n            if (parent) {\n                post.parentauthorname = parent.author.fullname;\n                parent.hasreplies = true;\n                parent.replies.push(post);\n            } else {\n                posts.push(post);\n            }\n        } else {\n            posts.push(post);\n        }\n    });\n\n    // Handle hidden event.\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        // Destroy when hidden.\n        modal.destroy();\n        try {\n            focusOnClose.focus();\n        } catch (e) {\n            // eslint-disable-line\n        }\n    });\n\n    modal.getRoot().on(ModalEvents.bodyRendered, () => {\n        const relevantPost = modal.getRoot()[0].querySelector(`#p${postId}`);\n        if (relevantPost) {\n            relevantPost.scrollIntoView({behavior: \"smooth\"});\n        }\n    });\n\n    modal.show();\n\n    // Note: We do not use await here because it messes with the Modal transitions.\n    const templatePromise = Templates.render('mod_forum/grades/grader/discussion/post_modal', {\n        posts,\n        experimentaldisplaymode: experimentalDisplayMode\n    });\n    modal.setBody(templatePromise);\n};\n\n/**\n * Register event listeners for the expand conversations button.\n *\n * @param {HTMLElement} rootNode The root to listen to.\n */\nexport const registerEventListeners = (rootNode) => {\n    rootNode.addEventListener('click', (e) => {\n        const rootNode = findGradableNode(e.target);\n\n        if (rootNode) {\n            e.preventDefault();\n\n            try {\n                showPostInContext(rootNode, {\n                    focusOnClose: e.target,\n                });\n            } catch (err) {\n                showException(err);\n            }\n        }\n    });\n};\n"],"file":"expandconversation.min.js"}
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If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles the creation of a Modal that shows the user's post in context of the entire discussion.\n *\n * @module     mod_forum/grades/expandconversation\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as ForumSelectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport {exception as showException} from \"core/notification\";\nimport Templates from 'core/templates';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\n\n/**\n * Find the Node containing the gradable details from the provided node by searching up the tree.\n *\n * @param {HTMLElement} node\n * @returns {HTMLElement}\n */\nconst findGradableNode = node => node.closest(ForumSelectors.expandConversation);\n\n/**\n * Show the post in context in a modal.\n *\n * @param {HTMLElement} rootNode The button that has been clicked\n */\nconst showPostInContext = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const postId = rootNode.dataset.postid;\n    const discussionId = rootNode.dataset.discussionid;\n    const discussionName = rootNode.dataset.name;\n    const experimentalDisplayMode = rootNode.dataset.experimentalDisplayMode == \"1\";\n\n    const [\n        allPosts,\n        modal,\n    ] = await Promise.all([\n        Repository.getDiscussionPosts(parseInt(discussionId)),\n        Modal.create({\n            title: discussionName,\n            large: true,\n            type: Modal.types.CANCEL\n        }),\n    ]);\n\n    const postsById = new Map(allPosts.posts.map(post => {\n        post.readonly = true;\n        post.hasreplies = false;\n        post.replies = [];\n        return [post.id, post];\n    }));\n\n    let posts = [];\n    allPosts.posts.forEach(post => {\n        if (post.parentid) {\n            const parent = postsById.get(post.parentid);\n            if (parent) {\n                post.parentauthorname = parent.author.fullname;\n                parent.hasreplies = true;\n                parent.replies.push(post);\n            } else {\n                posts.push(post);\n            }\n        } else {\n            posts.push(post);\n        }\n    });\n\n    // Handle hidden event.\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        // Destroy when hidden.\n        modal.destroy();\n        try {\n            focusOnClose.focus();\n        } catch (e) {\n            // eslint-disable-line\n        }\n    });\n\n    modal.getRoot().on(ModalEvents.bodyRendered, () => {\n        const relevantPost = modal.getRoot()[0].querySelector(`#p${postId}`);\n        if (relevantPost) {\n            relevantPost.scrollIntoView({behavior: \"smooth\"});\n        }\n    });\n\n    modal.show();\n\n    // Note: We do not use await here because it messes with the Modal transitions.\n    const templatePromise = Templates.render('mod_forum/grades/grader/discussion/post_modal', {\n        posts,\n        experimentaldisplaymode: experimentalDisplayMode\n    });\n    modal.setBody(templatePromise);\n};\n\n/**\n * Register event listeners for the expand conversations button.\n *\n * @param {HTMLElement} rootNode The root to listen to.\n */\nexport const registerEventListeners = (rootNode) => {\n    rootNode.addEventListener('click', (e) => {\n        const rootNode = findGradableNode(e.target);\n\n        if (rootNode) {\n            e.preventDefault();\n\n            try {\n                showPostInContext(rootNode, {\n                    focusOnClose: e.target,\n                });\n            } catch (err) {\n                showException(err);\n            }\n        }\n    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diff --git a/mod/forum/amd/build/grades/grader.min.js b/mod/forum/amd/build/grades/grader.min.js
index 7c28785d77e..827b0cee846 100644
--- a/mod/forum/amd/build/grades/grader.min.js
+++ b/mod/forum/amd/build/grades/grader.min.js
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/grades/grader\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as Selectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport Templates from 'core/templates';\nimport * as Grader from '../local/grades/grader';\nimport Notification from 'core/notification';\nimport CourseRepository from 'core_course/repository';\nimport {relativeUrl} from 'core/url';\n\nconst templateNames = {\n    contentRegion: 'mod_forum/grades/grader/discussion/posts',\n};\n\n/**\n * Curried function with CMID set, this is then used in unified grader as a fetch a users content.\n *\n * @param {Number} cmid\n * @param {Bool} experimentalDisplayMode\n * @return {Function}\n */\nconst getContentForUserIdFunction = (cmid, experimentalDisplayMode) => (userid) => {\n    /**\n     * Given the parent function is called with the second param set execute the partially executed function.\n     *\n     * @param {Number} userid\n     */\n    return Repository.getDiscussionByUserID(userid, cmid)\n        .then(context => {\n            // Rebuild the returned data for the template.\n            context.discussions = context.discussions.map(discussionPostMapper);\n            context.experimentaldisplaymode = experimentalDisplayMode ? true : false;\n\n            return Templates.render(templateNames.contentRegion, context);\n        })\n        .catch(Notification.exception);\n};\n\n/**\n * Curried function with CMID set, this is then used in unified grader as a fetch users call.\n * The function curried fetches all users in a course for a given CMID.\n *\n * @param {Number} cmid\n * @param {Number} groupID\n * @return {Array} Array of users for a given context.\n */\nconst getUsersForCmidFunction = (cmid, groupID) => async() => {\n    const context = await CourseRepository.getUsersFromCourseModuleID(cmid, groupID);\n\n    return context.users;\n};\n\n\nconst findGradableNode = node => node.closest(Selectors.gradableItem);\n\n/**\n * For a discussion we need to manipulate it's posts to hide certain UI elements.\n *\n * @param {Object} discussion\n * @return {Array} name, id, posts\n */\nconst discussionPostMapper = (discussion) => {\n    // Map postid => post.\n    const parentMap = new Map();\n    discussion.posts.parentposts.forEach(post => parentMap.set(post.id, post));\n    const userPosts = discussion.posts.userposts.map(post => {\n        post.readonly = true;\n        post.hasreplies = false;\n        post.replies = [];\n\n        const parent = post.parentid ? parentMap.get(post.parentid) : null;\n        if (parent) {\n            parent.hasreplies = false;\n            parent.replies = [];\n            parent.readonly = true;\n            post.parentauthorname = parent.author.fullname;\n        }\n\n        return {\n            parent,\n            post\n        };\n    });\n\n    return {\n        ...discussion,\n        posts: userPosts,\n    };\n};\n\n/**\n * Launch the Grader.\n *\n * @param {HTMLElement} rootNode the root HTML element describing what is to be graded\n */\nconst launchWholeForumGrading = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const data = rootNode.dataset;\n    const gradingPanelFunctions = await Grader.getGradingPanelFunctions(\n        'mod_forum',\n        data.contextid,\n        data.gradingComponent,\n        data.gradingComponentSubtype,\n        data.gradableItemtype\n    );\n\n    const groupID = data.group ? data.group : 0;\n\n    await Grader.launch(\n        getUsersForCmidFunction(data.cmid, groupID),\n        getContentForUserIdFunction(data.cmid, data.experimentalDisplayMode == \"1\"),\n        gradingPanelFunctions.getter,\n        gradingPanelFunctions.setter,\n        {\n            groupid: data.groupid,\n            initialUserId: data.initialuserid,\n            moduleName: data.name,\n            courseName: data.courseName,\n            courseUrl: relativeUrl('/course/view.php', {id: data.courseId}),\n            sendStudentNotifications: data.sendStudentNotifications,\n            focusOnClose,\n        }\n    );\n};\n\n/**\n * Launch the Grader.\n *\n * @param {HTMLElement} rootNode the root HTML element describing what is to be graded\n */\nconst launchViewGrading = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const data = rootNode.dataset;\n    const gradingPanelFunctions = await Grader.getGradingPanelFunctions(\n        'mod_forum',\n        data.contextid,\n        data.gradingComponent,\n        data.gradingComponentSubtype,\n        data.gradableItemtype\n    );\n\n    await Grader.view(\n        gradingPanelFunctions.getter,\n        data.userid,\n        data.name,\n        {\n            focusOnClose,\n        }\n    );\n};\n\n/**\n * Register listeners to launch the grading panel.\n */\nexport const registerLaunchListeners = () => {\n    document.addEventListener('click', async(e) => {\n        if (e.target.matches(Selectors.launch)) {\n            const rootNode = findGradableNode(e.target);\n\n            if (!rootNode) {\n                throw Error('Unable to find a gradable item');\n            }\n\n            if (rootNode.matches(Selectors.gradableItems.wholeForum)) {\n                // Note: The preventDefault must be before any async function calls because the function becomes async\n                // at that point and the default action is implemented.\n                e.preventDefault();\n                try {\n                    await launchWholeForumGrading(rootNode, {\n                        focusOnClose: e.target,\n                    });\n                } catch (error) {\n                    Notification.exception(error);\n                }\n            } else {\n                throw Error('Unable to find a valid gradable item');\n            }\n        }\n        if (e.target.matches(Selectors.viewGrade)) {\n            e.preventDefault();\n            const rootNode = findGradableNode(e.target);\n\n            if (!rootNode) {\n                throw Error('Unable to find a gradable item');\n            }\n\n            if (rootNode.matches(Selectors.gradableItems.wholeForum)) {\n                // Note: The preventDefault must be before any async function calls because the function becomes async\n                // at that point and the default action is implemented.\n                e.preventDefault();\n                try {\n                    await launchViewGrading(rootNode, {\n                        focusOnClose: e.target,\n                    });\n                } catch (error) {\n                    Notification.exception(error);\n                }\n            } else {\n                throw Error('Unable to find a valid gradable item');\n            }\n        }\n    });\n};\n"],"file":"grader.min.js"}
\ No newline at end of file
+{"version":3,"file":"grader.min.js","sources":["../../src/grades/grader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/grades/grader\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport * as Selectors from './grader/selectors';\nimport Repository from 'mod_forum/repository';\nimport Templates from 'core/templates';\nimport * as Grader from '../local/grades/grader';\nimport Notification from 'core/notification';\nimport CourseRepository from 'core_course/repository';\nimport {relativeUrl} from 'core/url';\n\nconst templateNames = {\n    contentRegion: 'mod_forum/grades/grader/discussion/posts',\n};\n\n/**\n * Curried function with CMID set, this is then used in unified grader as a fetch a users content.\n *\n * @param {Number} cmid\n * @param {Bool} experimentalDisplayMode\n * @return {Function}\n */\nconst getContentForUserIdFunction = (cmid, experimentalDisplayMode) => (userid) => {\n    /**\n     * Given the parent function is called with the second param set execute the partially executed function.\n     *\n     * @param {Number} userid\n     */\n    return Repository.getDiscussionByUserID(userid, cmid)\n        .then(context => {\n            // Rebuild the returned data for the template.\n            context.discussions = context.discussions.map(discussionPostMapper);\n            context.experimentaldisplaymode = experimentalDisplayMode ? true : false;\n\n            return Templates.render(templateNames.contentRegion, context);\n        })\n        .catch(Notification.exception);\n};\n\n/**\n * Curried function with CMID set, this is then used in unified grader as a fetch users call.\n * The function curried fetches all users in a course for a given CMID.\n *\n * @param {Number} cmid\n * @param {Number} groupID\n * @return {Array} Array of users for a given context.\n */\nconst getUsersForCmidFunction = (cmid, groupID) => async() => {\n    const context = await CourseRepository.getUsersFromCourseModuleID(cmid, groupID);\n\n    return context.users;\n};\n\n\nconst findGradableNode = node => node.closest(Selectors.gradableItem);\n\n/**\n * For a discussion we need to manipulate it's posts to hide certain UI elements.\n *\n * @param {Object} discussion\n * @return {Array} name, id, posts\n */\nconst discussionPostMapper = (discussion) => {\n    // Map postid => post.\n    const parentMap = new Map();\n    discussion.posts.parentposts.forEach(post => parentMap.set(post.id, post));\n    const userPosts = discussion.posts.userposts.map(post => {\n        post.readonly = true;\n        post.hasreplies = false;\n        post.replies = [];\n\n        const parent = post.parentid ? parentMap.get(post.parentid) : null;\n        if (parent) {\n            parent.hasreplies = false;\n            parent.replies = [];\n            parent.readonly = true;\n            post.parentauthorname = parent.author.fullname;\n        }\n\n        return {\n            parent,\n            post\n        };\n    });\n\n    return {\n        ...discussion,\n        posts: userPosts,\n    };\n};\n\n/**\n * Launch the Grader.\n *\n * @param {HTMLElement} rootNode the root HTML element describing what is to be graded\n */\nconst launchWholeForumGrading = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const data = rootNode.dataset;\n    const gradingPanelFunctions = await Grader.getGradingPanelFunctions(\n        'mod_forum',\n        data.contextid,\n        data.gradingComponent,\n        data.gradingComponentSubtype,\n        data.gradableItemtype\n    );\n\n    const groupID = data.group ? data.group : 0;\n\n    await Grader.launch(\n        getUsersForCmidFunction(data.cmid, groupID),\n        getContentForUserIdFunction(data.cmid, data.experimentalDisplayMode == \"1\"),\n        gradingPanelFunctions.getter,\n        gradingPanelFunctions.setter,\n        {\n            groupid: data.groupid,\n            initialUserId: data.initialuserid,\n            moduleName: data.name,\n            courseName: data.courseName,\n            courseUrl: relativeUrl('/course/view.php', {id: data.courseId}),\n            sendStudentNotifications: data.sendStudentNotifications,\n            focusOnClose,\n        }\n    );\n};\n\n/**\n * Launch the Grader.\n *\n * @param {HTMLElement} rootNode the root HTML element describing what is to be graded\n */\nconst launchViewGrading = async(rootNode, {\n    focusOnClose = null,\n} = {}) => {\n    const data = rootNode.dataset;\n    const gradingPanelFunctions = await Grader.getGradingPanelFunctions(\n        'mod_forum',\n        data.contextid,\n        data.gradingComponent,\n        data.gradingComponentSubtype,\n        data.gradableItemtype\n    );\n\n    await Grader.view(\n        gradingPanelFunctions.getter,\n        data.userid,\n        data.name,\n        {\n            focusOnClose,\n        }\n    );\n};\n\n/**\n * Register listeners to launch the grading panel.\n */\nexport const registerLaunchListeners = () => {\n    document.addEventListener('click', async(e) => {\n        if (e.target.matches(Selectors.launch)) {\n            const rootNode = findGradableNode(e.target);\n\n            if (!rootNode) {\n                throw Error('Unable to find a gradable item');\n            }\n\n            if (rootNode.matches(Selectors.gradableItems.wholeForum)) {\n                // Note: The preventDefault must be before any async function calls because the function becomes async\n                // at that point and the default action is implemented.\n                e.preventDefault();\n                try {\n                    await launchWholeForumGrading(rootNode, {\n                        focusOnClose: e.target,\n                    });\n                } catch (error) {\n                    Notification.exception(error);\n                }\n            } else {\n                throw Error('Unable to find a valid gradable item');\n            }\n        }\n        if (e.target.matches(Selectors.viewGrade)) {\n            e.preventDefault();\n            const rootNode = findGradableNode(e.target);\n\n            if (!rootNode) {\n                throw Error('Unable to find a gradable item');\n            }\n\n            if (rootNode.matches(Selectors.gradableItems.wholeForum)) {\n                // Note: The preventDefault must be before any async function calls because the function becomes async\n                // at that point and the default action is implemented.\n                e.preventDefault();\n                try {\n                    await launchViewGrading(rootNode, {\n                        focusOnClose: e.target,\n                    });\n                } catch (error) {\n                    Notification.exception(error);\n                }\n            } else {\n                throw Error('Unable to find a valid gradable item');\n            }\n        }\n    });\n};\n"],"names":["templateNames","getContentForUserIdFunction","cmid","experimentalDisplayMode","userid","Repository","getDiscussionByUserID","then","context","discussions","map","discussionPostMapper","experimentaldisplaymode","Templates","render","catch","Notification","exception","getUsersForCmidFunction","groupID","CourseRepository","getUsersFromCourseModuleID","users","findGradableNode","node","closest","Selectors","gradableItem","discussion","parentMap","Map","posts","parentposts","forEach","post","set","id","userPosts","userposts","readonly","hasreplies","replies","parent","parentid","get","parentauthorname","author","fullname","launchWholeForumGrading","rootNode","focusOnClose","data","dataset","Grader","getGradingPanelFunctions","contextid","gradingComponent","gradingComponentSubtype","gradableItemtype","gradingPanelFunctions","group","launch","getter","setter","groupid","initialUserId","initialuserid","moduleName","name","courseName","courseUrl","courseId","sendStudentNotifications","launchViewGrading","view","document","addEventListener","e","target","matches","Error","gradableItems","wholeForum","preventDefault","viewGrade"],"mappings":"64GA+BMA,4BACa,2CAUbC,4BAA8B,SAACC,KAAMC,gCAA4B,SAACC,eAM7DC,oBAAWC,sBAAsBF,OAAQF,MAC3CK,MAAK,SAAAC,gBAEFA,QAAQC,YAAcD,QAAQC,YAAYC,IAAIC,sBAC9CH,QAAQI,0BAA0BT,wBAE3BU,mBAAUC,OAAOd,4BAA6BQ,YAExDO,MAAMC,sBAAaC,aAWtBC,wBAA0B,SAAChB,KAAMiB,2DAAY,2JACzBC,qBAAiBC,2BAA2BnB,KAAMiB,uBAAlEX,+CAECA,QAAQc,gEAIbC,iBAAmB,SAAAC,aAAQA,KAAKC,QAAQC,UAAUC,eAQlDhB,qBAAuB,SAACiB,gBAEpBC,UAAY,IAAIC,IACtBF,WAAWG,MAAMC,YAAYC,SAAQ,SAAAC,aAAQL,UAAUM,IAAID,KAAKE,GAAIF,aAC9DG,UAAYT,WAAWG,MAAMO,UAAU5B,KAAI,SAAAwB,MAC7CA,KAAKK,UAAW,EAChBL,KAAKM,YAAa,EAClBN,KAAKO,QAAU,OAETC,OAASR,KAAKS,SAAWd,UAAUe,IAAIV,KAAKS,UAAY,YAC1DD,SACAA,OAAOF,YAAa,EACpBE,OAAOD,QAAU,GACjBC,OAAOH,UAAW,EAClBL,KAAKW,iBAAmBH,OAAOI,OAAOC,UAGnC,CACHL,OAAAA,OACAR,KAAAA,+CAKDN,gBACHG,MAAOM,aASTW,0EAA0B,kBAAMC,2QAElC,4BADAC,aAAAA,yCAAe,wBAETC,KAAOF,SAASG,yBACcC,OAAOC,yBACvC,YACAH,KAAKI,UACLJ,KAAKK,iBACLL,KAAKM,wBACLN,KAAKO,gCALHC,qCAQAxC,QAAUgC,KAAKS,MAAQT,KAAKS,MAAQ,mBAEpCP,OAAOQ,OACT3C,wBAAwBiC,KAAKjD,KAAMiB,SACnClB,4BAA4BkD,KAAKjD,KAAsC,KAAhCiD,KAAKhD,yBAC5CwD,sBAAsBG,OACtBH,sBAAsBI,OACtB,CACIC,QAASb,KAAKa,QACdC,cAAed,KAAKe,cACpBC,WAAYhB,KAAKiB,KACjBC,WAAYlB,KAAKkB,WACjBC,WAAW,oBAAY,mBAAoB,CAAClC,GAAIe,KAAKoB,WACrDC,yBAA0BrB,KAAKqB,yBAC/BtB,aAAAA,2HAUNuB,oEAAoB,kBAAMxB,mQAE5B,4BADAC,aAAAA,yCAAe,wBAETC,KAAOF,SAASG,yBACcC,OAAOC,yBACvC,YACAH,KAAKI,UACLJ,KAAKK,iBACLL,KAAKM,wBACLN,KAAKO,gCALHC,sDAQAN,OAAOqB,KACTf,sBAAsBG,OACtBX,KAAK/C,OACL+C,KAAKiB,KACL,CACIlB,aAAAA,6JAQ2B,qBACnCyB,SAASC,iBAAiB,0DAAS,kBAAMC,sIACjCA,EAAEC,OAAOC,QAAQrD,UAAUmC,oCACrBZ,SAAW1B,iBAAiBsD,EAAEC,sCAG1BE,MAAM,6CAGZ/B,SAAS8B,QAAQrD,UAAUuD,cAAcC,4CAGzCL,EAAEM,mDAEQnC,wBAAwBC,SAAU,CACpCC,aAAc2B,EAAEC,wHAGP7D,sEAGX+D,MAAM,oDAGhBH,EAAEC,OAAOC,QAAQrD,UAAU0D,uCAC3BP,EAAEM,iBACIlC,UAAW1B,iBAAiBsD,EAAEC,uCAG1BE,MAAM,8CAGZ/B,UAAS8B,QAAQrD,UAAUuD,cAAcC,4CAGzCL,EAAEM,qDAEQV,kBAAkBxB,UAAU,CAC9BC,aAAc2B,EAAEC,0HAGP7D,sEAGX+D,MAAM"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/grades/grader/selectors.min.js b/mod/forum/amd/build/grades/grader/selectors.min.js
index 7a73e1b49c0..a0e248924b2 100644
--- a/mod/forum/amd/build/grades/grader/selectors.min.js
+++ b/mod/forum/amd/build/grades/grader/selectors.min.js
@@ -1,2 +1,3 @@
-define ("mod_forum/grades/grader/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;a.default={launch:"[data-grade-action=\"launch\"]",gradableItem:"[data-gradable-itemtype]",gradableItems:{wholeForum:"[data-gradable-itemtype=\"forum\"]"},expandConversation:"[data-action=\"view-context\"]",posts:"[data-region=\"posts\"]",viewGrade:"[data-grade-action=\"view\"]"};return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("mod_forum/grades/grader/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;return _exports.default={launch:'[data-grade-action="launch"]',gradableItem:"[data-gradable-itemtype]",gradableItems:{wholeForum:'[data-gradable-itemtype="forum"]'},expandConversation:'[data-action="view-context"]',posts:'[data-region="posts"]',viewGrade:'[data-grade-action="view"]'},_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/grades/grader/selectors.min.js.map b/mod/forum/amd/build/grades/grader/selectors.min.js.map
index d2cdccff0e0..a268888faa9 100644
--- a/mod/forum/amd/build/grades/grader/selectors.min.js.map
+++ b/mod/forum/amd/build/grades/grader/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../src/grades/grader/selectors.js"],"names":["launch","gradableItem","gradableItems","wholeForum","expandConversation","posts","viewGrade"],"mappings":"6JAuBe,CACXA,MAAM,CAAE,gCADG,CAEXC,YAAY,CAAE,0BAFH,CAGXC,aAAa,CAAE,CACXC,UAAU,CAAE,oCADD,CAHJ,CAMXC,kBAAkB,CAAE,gCANT,CAOXC,KAAK,CAAE,yBAPI,CAQXC,SAAS,CAAE,8BARA,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/grades/grader/selectors\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default {\n    launch: '[data-grade-action=\"launch\"]',\n    gradableItem: '[data-gradable-itemtype]',\n    gradableItems: {\n        wholeForum: '[data-gradable-itemtype=\"forum\"]',\n    },\n    expandConversation: '[data-action=\"view-context\"]',\n    posts: '[data-region=\"posts\"]',\n    viewGrade: '[data-grade-action=\"view\"]',\n};\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../../../src/grades/grader/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/grades/grader/selectors\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nexport default {\n    launch: '[data-grade-action=\"launch\"]',\n    gradableItem: '[data-gradable-itemtype]',\n    gradableItems: {\n        wholeForum: '[data-gradable-itemtype=\"forum\"]',\n    },\n    expandConversation: '[data-action=\"view-context\"]',\n    posts: '[data-region=\"posts\"]',\n    viewGrade: '[data-grade-action=\"view\"]',\n};\n"],"names":["launch","gradableItem","gradableItems","wholeForum","expandConversation","posts","viewGrade"],"mappings":"mLAuBe,CACXA,OAAQ,+BACRC,aAAc,2BACdC,cAAe,CACXC,WAAY,oCAEhBC,mBAAoB,+BACpBC,MAAO,wBACPC,UAAW"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/inpage_reply.min.js b/mod/forum/amd/build/inpage_reply.min.js
index 997e1c3957f..acc62a2afc3 100644
--- a/mod/forum/amd/build/inpage_reply.min.js
+++ b/mod/forum/amd/build/inpage_reply.min.js
@@ -1,2 +1,11 @@
-define ("mod_forum/inpage_reply",["jquery","core/templates","core/notification","mod_forum/repository","mod_forum/selectors"],function(a,b,c,d,f){var g={NESTED_V2:4,THREADED:2,NESTED:3,FLAT_OLDEST_FIRST:1,FLAT_NEWEST_FIRST:-1},h={POST_CREATED:"mod_forum-post-created"},i={MOODLE:0},j=function(a){var b=a.find(f.post.inpageSubmitBtnText),c=a.find(f.post.loadingIconContainer),d=a.outerWidth();a.css("width",d);b.addClass("hidden");c.removeClass("hidden")},k=function(a){var b=a.find(f.post.inpageSubmitBtnText),c=a.find(f.post.loadingIconContainer);a.css("width","");b.removeClass("hidden");c.addClass("hidden")},l=function(l){l.on("click",f.post.inpageSubmitBtn,function(m){m.preventDefault();var e=a(m.currentTarget),n=e.parent().find(f.post.inpageReplyButton),o=e.parents(f.post.inpageReplyForm).get(0),p=o.elements.post.value.trim(),q=i.MOODLE,r=o.elements.reply.value,s=o.elements.subject.value,t=e.closest(f.post.post),u=o.elements.privatereply!=void 0?o.elements.privatereply.checked:!1,v=l.find(f.post.modeSelect),w=v.length?parseInt(v.get(0).value):null,x;if(p.length){j(e);n.prop("disabled",!0);d.addDiscussionPost(r,s,p,q,u,!0).then(function(a){var b=a.messages.reduce(function(a,b){if("success"==b.type){a+="<p>"+b.message+"</p>"}return a},"");c.addNotification({message:b,type:"success"});return a}).then(function(a){o.reset();var c=a.post;x=c.id;switch(w){case g.NESTED_V2:var d=c.capabilities,e=t.children().not(f.post.repliesContainer).find(f.post.authorName).text();c.parentauthorname=e;c.showactionmenu=d.view||d.controlreadstatus||d.edit||d.split||d.delete||d.export||c.urls.viewparent;return b.render("mod_forum/forum_discussion_nested_v2_post_reply",c);case g.THREADED:return b.render("mod_forum/forum_discussion_threaded_post",c);case g.NESTED:return b.render("mod_forum/forum_discussion_nested_post",c);default:return b.render("mod_forum/forum_discussion_post",c);}}).then(function(a,c){var d=t.find(f.post.repliesContainer).first();if(w==g.FLAT_NEWEST_FIRST){return b.prependNodeContents(d,a,c)}else{return b.appendNodeContents(d,a,c)}}).then(function(){e.trigger(h.POST_CREATED,x);k(e);n.prop("disabled",!1);if("undefined"!=typeof M.core_formchangechecker){M.core_formchangechecker.reset_form_dirty_state()}return t.find(f.post.inpageReplyContent).hide()}).then(function(){location.href="#p"+x}).catch(function(a){k(e);n.prop("disabled",!1);return c.exception(a)})}})};return{init:function init(a){l(a)},CONTENT_FORMATS:i,EVENTS:h}});
-//# sourceMappingURL=inpage_reply.min.js.map
+/**
+ * This module handles the in page replying to forum posts.
+ *
+ * @module     mod_forum/inpage_reply
+ * @package    mod_forum
+ * @copyright  2019 Peter Dias
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/inpage_reply",["jquery","core/templates","core/notification","mod_forum/repository","mod_forum/selectors"],(function($,Templates,Notification,Repository,Selectors){var DISPLAYCONSTANTS_NESTED_V2=4,DISPLAYCONSTANTS_THREADED=2,DISPLAYCONSTANTS_NESTED=3,DISPLAYCONSTANTS_FLAT_NEWEST_FIRST=-1,EVENTS={POST_CREATED:"mod_forum-post-created"},CONTENT_FORMATS={MOODLE:0},hideSubmitButtonLoadingIcon=function(button){var textContainer=button.find(Selectors.post.inpageSubmitBtnText),loadingIconContainer=button.find(Selectors.post.loadingIconContainer);button.css("width",""),textContainer.removeClass("hidden"),loadingIconContainer.addClass("hidden")},registerEventListeners=function(root){root.on("click",Selectors.post.inpageSubmitBtn,(function(e){e.preventDefault();var newid,button,textContainer,loadingIconContainer,width,submitButton=$(e.currentTarget),allButtons=submitButton.parent().find(Selectors.post.inpageReplyButton),form=submitButton.parents(Selectors.post.inpageReplyForm).get(0),message=form.elements.post.value.trim(),messageformat=CONTENT_FORMATS.MOODLE,postid=form.elements.reply.value,subject=form.elements.subject.value,currentRoot=submitButton.closest(Selectors.post.post),isprivatereply=null!=form.elements.privatereply&&form.elements.privatereply.checked,modeSelector=root.find(Selectors.post.modeSelect),mode=modeSelector.length?parseInt(modeSelector.get(0).value):null;message.length&&(textContainer=(button=submitButton).find(Selectors.post.inpageSubmitBtnText),loadingIconContainer=button.find(Selectors.post.loadingIconContainer),width=button.outerWidth(),button.css("width",width),textContainer.addClass("hidden"),loadingIconContainer.removeClass("hidden"),allButtons.prop("disabled",!0),Repository.addDiscussionPost(postid,subject,message,messageformat,isprivatereply,!0).then((function(context){var message=context.messages.reduce((function(carry,message){return"success"==message.type&&(carry+="<p>"+message.message+"</p>"),carry}),"");return Notification.addNotification({message:message,type:"success"}),context})).then((function(context){form.reset();var post=context.post;switch(newid=post.id,mode){case DISPLAYCONSTANTS_NESTED_V2:var capabilities=post.capabilities,currentAuthorName=currentRoot.children().not(Selectors.post.repliesContainer).find(Selectors.post.authorName).text();return post.parentauthorname=currentAuthorName,post.showactionmenu=capabilities.view||capabilities.controlreadstatus||capabilities.edit||capabilities.split||capabilities.delete||capabilities.export||post.urls.viewparent,Templates.render("mod_forum/forum_discussion_nested_v2_post_reply",post);case DISPLAYCONSTANTS_THREADED:return Templates.render("mod_forum/forum_discussion_threaded_post",post);case DISPLAYCONSTANTS_NESTED:return Templates.render("mod_forum/forum_discussion_nested_post",post);default:return Templates.render("mod_forum/forum_discussion_post",post)}})).then((function(html,js){var repliesnode=currentRoot.find(Selectors.post.repliesContainer).first();return mode==DISPLAYCONSTANTS_FLAT_NEWEST_FIRST?Templates.prependNodeContents(repliesnode,html,js):Templates.appendNodeContents(repliesnode,html,js)})).then((function(){return submitButton.trigger(EVENTS.POST_CREATED,newid),hideSubmitButtonLoadingIcon(submitButton),allButtons.prop("disabled",!1),void 0!==M.core_formchangechecker&&M.core_formchangechecker.reset_form_dirty_state(),currentRoot.find(Selectors.post.inpageReplyContent).hide()})).then((function(){location.href="#p"+newid})).catch((function(error){return hideSubmitButtonLoadingIcon(submitButton),allButtons.prop("disabled",!1),Notification.exception(error)})))}))};return{init:function(root){registerEventListeners(root)},CONTENT_FORMATS:CONTENT_FORMATS,EVENTS:EVENTS}}));
+
+//# sourceMappingURL=inpage_reply.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/inpage_reply.min.js.map b/mod/forum/amd/build/inpage_reply.min.js.map
index 8dd41f9ad25..30667dcbdf6 100644
--- a/mod/forum/amd/build/inpage_reply.min.js.map
+++ b/mod/forum/amd/build/inpage_reply.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/inpage_reply.js"],"names":["define","$","Templates","Notification","Repository","Selectors","DISPLAYCONSTANTS","NESTED_V2","THREADED","NESTED","FLAT_OLDEST_FIRST","FLAT_NEWEST_FIRST","EVENTS","POST_CREATED","CONTENT_FORMATS","MOODLE","showSubmitButtonLoadingIcon","button","textContainer","find","post","inpageSubmitBtnText","loadingIconContainer","width","outerWidth","css","addClass","removeClass","hideSubmitButtonLoadingIcon","registerEventListeners","root","on","inpageSubmitBtn","e","preventDefault","submitButton","currentTarget","allButtons","parent","inpageReplyButton","form","parents","inpageReplyForm","get","message","elements","value","trim","messageformat","postid","reply","subject","currentRoot","closest","isprivatereply","privatereply","checked","modeSelector","modeSelect","mode","length","parseInt","newid","prop","addDiscussionPost","then","context","messages","reduce","carry","type","addNotification","reset","id","capabilities","currentAuthorName","children","not","repliesContainer","authorName","text","parentauthorname","showactionmenu","view","controlreadstatus","edit","split","delete","export","urls","viewparent","render","html","js","repliesnode","first","prependNodeContents","appendNodeContents","trigger","M","core_formchangechecker","reset_form_dirty_state","inpageReplyContent","hide","location","href","catch","error","exception","init"],"mappings":"AAuBAA,OAAM,0BAAC,CACC,QADD,CAEC,gBAFD,CAGC,mBAHD,CAIC,sBAJD,CAKC,qBALD,CAAD,CAMC,SACCC,CADD,CAECC,CAFD,CAGCC,CAHD,CAICC,CAJD,CAKCC,CALD,CAMD,IAEEC,CAAAA,CAAgB,CAAG,CACnBC,SAAS,CAAE,CADQ,CAEnBC,QAAQ,CAAE,CAFS,CAGnBC,MAAM,CAAE,CAHW,CAInBC,iBAAiB,CAAE,CAJA,CAKnBC,iBAAiB,CAAE,CAAC,CALD,CAFrB,CAUEC,CAAM,CAAG,CACTC,YAAY,CAAE,wBADL,CAVX,CAkBEC,CAAe,CAAG,CAClBC,MAAM,CAAE,CADU,CAlBpB,CA0BEC,CAA2B,CAAG,SAASC,CAAT,CAAiB,IAC3CC,CAAAA,CAAa,CAAGD,CAAM,CAACE,IAAP,CAAYd,CAAS,CAACe,IAAV,CAAeC,mBAA3B,CAD2B,CAE3CC,CAAoB,CAAGL,CAAM,CAACE,IAAP,CAAYd,CAAS,CAACe,IAAV,CAAeE,oBAA3B,CAFoB,CAG3CC,CAAK,CAAGN,CAAM,CAACO,UAAP,EAHmC,CAK/CP,CAAM,CAACQ,GAAP,CAAW,OAAX,CAAoBF,CAApB,EACAL,CAAa,CAACQ,QAAd,CAAuB,QAAvB,EACAJ,CAAoB,CAACK,WAArB,CAAiC,QAAjC,CACH,CAlCC,CAyCEC,CAA2B,CAAG,SAASX,CAAT,CAAiB,IAC3CC,CAAAA,CAAa,CAAGD,CAAM,CAACE,IAAP,CAAYd,CAAS,CAACe,IAAV,CAAeC,mBAA3B,CAD2B,CAE3CC,CAAoB,CAAGL,CAAM,CAACE,IAAP,CAAYd,CAAS,CAACe,IAAV,CAAeE,oBAA3B,CAFoB,CAI/CL,CAAM,CAACQ,GAAP,CAAW,OAAX,CAAoB,EAApB,EACAP,CAAa,CAACS,WAAd,CAA0B,QAA1B,EACAL,CAAoB,CAACI,QAArB,CAA8B,QAA9B,CACH,CAhDC,CAuDEG,CAAsB,CAAG,SAASC,CAAT,CAAe,CACxCA,CAAI,CAACC,EAAL,CAAQ,OAAR,CAAiB1B,CAAS,CAACe,IAAV,CAAeY,eAAhC,CAAiD,SAASC,CAAT,CAAY,CACzDA,CAAC,CAACC,cAAF,GADyD,GAErDC,CAAAA,CAAY,CAAGlC,CAAC,CAACgC,CAAC,CAACG,aAAH,CAFqC,CAGrDC,CAAU,CAAGF,CAAY,CAACG,MAAb,GAAsBnB,IAAtB,CAA2Bd,CAAS,CAACe,IAAV,CAAemB,iBAA1C,CAHwC,CAIrDC,CAAI,CAAGL,CAAY,CAACM,OAAb,CAAqBpC,CAAS,CAACe,IAAV,CAAesB,eAApC,EAAqDC,GAArD,CAAyD,CAAzD,CAJ8C,CAKrDC,CAAO,CAAGJ,CAAI,CAACK,QAAL,CAAczB,IAAd,CAAmB0B,KAAnB,CAAyBC,IAAzB,EAL2C,CAQrDC,CAAa,CAAGlC,CAAe,CAACC,MARqB,CAWrDkC,CAAM,CAAGT,CAAI,CAACK,QAAL,CAAcK,KAAd,CAAoBJ,KAXwB,CAYrDK,CAAO,CAAGX,CAAI,CAACK,QAAL,CAAcM,OAAd,CAAsBL,KAZqB,CAarDM,CAAW,CAAGjB,CAAY,CAACkB,OAAb,CAAqBhD,CAAS,CAACe,IAAV,CAAeA,IAApC,CAbuC,CAcrDkC,CAAc,CAAGd,CAAI,CAACK,QAAL,CAAcU,YAAd,SAA0Cf,CAAI,CAACK,QAAL,CAAcU,YAAd,CAA2BC,OAArE,GAdoC,CAerDC,CAAY,CAAG3B,CAAI,CAACX,IAAL,CAAUd,CAAS,CAACe,IAAV,CAAesC,UAAzB,CAfsC,CAgBrDC,CAAI,CAAGF,CAAY,CAACG,MAAb,CAAsBC,QAAQ,CAACJ,CAAY,CAACd,GAAb,CAAiB,CAAjB,EAAoBG,KAArB,CAA9B,CAA4D,IAhBd,CAiBrDgB,CAjBqD,CAmBzD,GAAIlB,CAAO,CAACgB,MAAZ,CAAoB,CAChB5C,CAA2B,CAACmB,CAAD,CAA3B,CACAE,CAAU,CAAC0B,IAAX,CAAgB,UAAhB,KAEA3D,CAAU,CAAC4D,iBAAX,CAA6Bf,CAA7B,CAAqCE,CAArC,CAA8CP,CAA9C,CAAuDI,CAAvD,CAAsEM,CAAtE,KACKW,IADL,CACU,SAASC,CAAT,CAAkB,CACpB,GAAItB,CAAAA,CAAO,CAAGsB,CAAO,CAACC,QAAR,CAAiBC,MAAjB,CAAwB,SAASC,CAAT,CAAgBzB,CAAhB,CAAyB,CAC3D,GAAoB,SAAhB,EAAAA,CAAO,CAAC0B,IAAZ,CAA+B,CAC3BD,CAAK,EAAI,MAAQzB,CAAO,CAACA,OAAhB,CAA0B,MACtC,CACD,MAAOyB,CAAAA,CACV,CALa,CAKX,EALW,CAAd,CAMAlE,CAAY,CAACoE,eAAb,CAA6B,CACzB3B,OAAO,CAAEA,CADgB,CAEzB0B,IAAI,CAAE,SAFmB,CAA7B,EAKA,MAAOJ,CAAAA,CACV,CAdL,EAeKD,IAfL,CAeU,SAASC,CAAT,CAAkB,CACpB1B,CAAI,CAACgC,KAAL,GACA,GAAIpD,CAAAA,CAAI,CAAG8C,CAAO,CAAC9C,IAAnB,CACA0C,CAAK,CAAG1C,CAAI,CAACqD,EAAb,CAEA,OAAQd,CAAR,EACI,IAAKrD,CAAAA,CAAgB,CAACC,SAAtB,IACQmE,CAAAA,CAAY,CAAGtD,CAAI,CAACsD,YAD5B,CAEQC,CAAiB,CAAGvB,CAAW,CAACwB,QAAZ,GACYC,GADZ,CACgBxE,CAAS,CAACe,IAAV,CAAe0D,gBAD/B,EAEY3D,IAFZ,CAEiBd,CAAS,CAACe,IAAV,CAAe2D,UAFhC,EAGYC,IAHZ,EAF5B,CAMI5D,CAAI,CAAC6D,gBAAL,CAAwBN,CAAxB,CACAvD,CAAI,CAAC8D,cAAL,CAAsBR,CAAY,CAACS,IAAb,EACAT,CAAY,CAACU,iBADb,EAEAV,CAAY,CAACW,IAFb,EAGAX,CAAY,CAACY,KAHb,EAIAZ,CAAY,CAACa,MAJb,EAKAb,CAAY,CAACc,MALb,EAMApE,CAAI,CAACqE,IAAL,CAAUC,UANhC,CAOA,MAAOxF,CAAAA,CAAS,CAACyF,MAAV,CAAiB,iDAAjB,CAAoEvE,CAApE,CAAP,CACJ,IAAKd,CAAAA,CAAgB,CAACE,QAAtB,CACI,MAAON,CAAAA,CAAS,CAACyF,MAAV,CAAiB,0CAAjB,CAA6DvE,CAA7D,CAAP,CACJ,IAAKd,CAAAA,CAAgB,CAACG,MAAtB,CACI,MAAOP,CAAAA,CAAS,CAACyF,MAAV,CAAiB,wCAAjB,CAA2DvE,CAA3D,CAAP,CACJ,QACI,MAAOlB,CAAAA,CAAS,CAACyF,M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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles the in page replying to forum posts.\n *\n * @module     mod_forum/inpage_reply\n * @package    mod_forum\n * @copyright  2019 Peter Dias\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'mod_forum/repository',\n        'mod_forum/selectors',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Repository,\n        Selectors\n    ) {\n\n    var DISPLAYCONSTANTS = {\n        NESTED_V2: 4,\n        THREADED: 2,\n        NESTED: 3,\n        FLAT_OLDEST_FIRST: 1,\n        FLAT_NEWEST_FIRST: -1\n    };\n\n    var EVENTS = {\n        POST_CREATED: 'mod_forum-post-created'\n    };\n\n     /**\n      * Moodle formats taken from the FORMAT_* constants declared in lib/weblib.php.\n      * @type {Object}\n      */\n    var CONTENT_FORMATS = {\n        MOODLE: 0\n    };\n    /**\n     * Show the loading icon for the submit button.\n     *\n     * @param {Object} button The submit button element\n     */\n    var showSubmitButtonLoadingIcon = function(button) {\n        var textContainer = button.find(Selectors.post.inpageSubmitBtnText);\n        var loadingIconContainer = button.find(Selectors.post.loadingIconContainer);\n        var width = button.outerWidth();\n        // Fix the width so that the button size doesn't change when we show the loading icon.\n        button.css('width', width);\n        textContainer.addClass('hidden');\n        loadingIconContainer.removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading icon for the submit button.\n     *\n     * @param {Object} button The submit button element\n     */\n    var hideSubmitButtonLoadingIcon = function(button) {\n        var textContainer = button.find(Selectors.post.inpageSubmitBtnText);\n        var loadingIconContainer = button.find(Selectors.post.loadingIconContainer);\n        // Reset the width back to it's default.\n        button.css('width', '');\n        textContainer.removeClass('hidden');\n        loadingIconContainer.addClass('hidden');\n    };\n\n    /**\n     * Register the event listeners for the submit button of the in page reply.\n     *\n     * @param {Object} root The discussion container element.\n     */\n    var registerEventListeners = function(root) {\n        root.on('click', Selectors.post.inpageSubmitBtn, function(e) {\n            e.preventDefault();\n            var submitButton = $(e.currentTarget);\n            var allButtons = submitButton.parent().find(Selectors.post.inpageReplyButton);\n            var form = submitButton.parents(Selectors.post.inpageReplyForm).get(0);\n            var message = form.elements.post.value.trim();\n            // For now, we consider the inline reply post written using the FORMAT_MOODLE (because a textarea is displayed).\n            // In the future, other formats should be supported, letting users to use their preferred editor and format.\n            var messageformat = CONTENT_FORMATS.MOODLE;\n            // The message post will be converted from messageformat to FORMAT_HTML.\n            var topreferredformat = true;\n            var postid = form.elements.reply.value;\n            var subject = form.elements.subject.value;\n            var currentRoot = submitButton.closest(Selectors.post.post);\n            var isprivatereply = form.elements.privatereply != undefined ? form.elements.privatereply.checked : false;\n            var modeSelector = root.find(Selectors.post.modeSelect);\n            var mode = modeSelector.length ? parseInt(modeSelector.get(0).value) : null;\n            var newid;\n\n            if (message.length) {\n                showSubmitButtonLoadingIcon(submitButton);\n                allButtons.prop('disabled', true);\n\n                Repository.addDiscussionPost(postid, subject, message, messageformat, isprivatereply, topreferredformat)\n                    .then(function(context) {\n                        var message = context.messages.reduce(function(carry, message) {\n                            if (message.type == 'success') {\n                                carry += '<p>' + message.message + '</p>';\n                            }\n                            return carry;\n                        }, '');\n                        Notification.addNotification({\n                            message: message,\n                            type: \"success\"\n                        });\n\n                        return context;\n                    })\n                    .then(function(context) {\n                        form.reset();\n                        var post = context.post;\n                        newid = post.id;\n\n                        switch (mode) {\n                            case DISPLAYCONSTANTS.NESTED_V2:\n                                var capabilities = post.capabilities;\n                                var currentAuthorName = currentRoot.children()\n                                                                   .not(Selectors.post.repliesContainer)\n                                                                   .find(Selectors.post.authorName)\n                                                                   .text();\n                                post.parentauthorname = currentAuthorName;\n                                post.showactionmenu = capabilities.view ||\n                                                      capabilities.controlreadstatus ||\n                                                      capabilities.edit ||\n                                                      capabilities.split ||\n                                                      capabilities.delete ||\n                                                      capabilities.export ||\n                                                      post.urls.viewparent;\n                                return Templates.render('mod_forum/forum_discussion_nested_v2_post_reply', post);\n                            case DISPLAYCONSTANTS.THREADED:\n                                return Templates.render('mod_forum/forum_discussion_threaded_post', post);\n                            case DISPLAYCONSTANTS.NESTED:\n                                return Templates.render('mod_forum/forum_discussion_nested_post', post);\n                            default:\n                                return Templates.render('mod_forum/forum_discussion_post', post);\n                        }\n                    })\n                    .then(function(html, js) {\n                        var repliesnode = currentRoot.find(Selectors.post.repliesContainer).first();\n\n                        if (mode == DISPLAYCONSTANTS.FLAT_NEWEST_FIRST) {\n                            return Templates.prependNodeContents(repliesnode, html, js);\n                        } else {\n                            return Templates.appendNodeContents(repliesnode, html, js);\n                        }\n                    })\n                    .then(function() {\n                        submitButton.trigger(EVENTS.POST_CREATED, newid);\n                        hideSubmitButtonLoadingIcon(submitButton);\n                        allButtons.prop('disabled', false);\n\n                        // Tell formchangechecker we submitted the form.\n                        if (typeof M.core_formchangechecker !== 'undefined') {\n                            M.core_formchangechecker.reset_form_dirty_state();\n                        }\n\n                        return currentRoot.find(Selectors.post.inpageReplyContent).hide();\n                    })\n                    .then(function() {\n                        location.href = \"#p\" + newid;\n                        return;\n                    })\n                    .catch(function(error) {\n                        hideSubmitButtonLoadingIcon(submitButton);\n                        allButtons.prop('disabled', false);\n                        return Notification.exception(error);\n                    });\n            }\n        });\n    };\n\n    return {\n        init: function(root) {\n            registerEventListeners(root);\n        },\n        CONTENT_FORMATS: CONTENT_FORMATS,\n        EVENTS: EVENTS\n    };\n});\n"],"file":"inpage_reply.min.js"}
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+{"version":3,"file":"inpage_reply.min.js","sources":["../src/inpage_reply.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module handles the in page replying to forum posts.\n *\n * @module     mod_forum/inpage_reply\n * @package    mod_forum\n * @copyright  2019 Peter Dias\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'mod_forum/repository',\n        'mod_forum/selectors',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Repository,\n        Selectors\n    ) {\n\n    var DISPLAYCONSTANTS = {\n        NESTED_V2: 4,\n        THREADED: 2,\n        NESTED: 3,\n        FLAT_OLDEST_FIRST: 1,\n        FLAT_NEWEST_FIRST: -1\n    };\n\n    var EVENTS = {\n        POST_CREATED: 'mod_forum-post-created'\n    };\n\n     /**\n      * Moodle formats taken from the FORMAT_* constants declared in lib/weblib.php.\n      * @type {Object}\n      */\n    var CONTENT_FORMATS = {\n        MOODLE: 0\n    };\n    /**\n     * Show the loading icon for the submit button.\n     *\n     * @param {Object} button The submit button element\n     */\n    var showSubmitButtonLoadingIcon = function(button) {\n        var textContainer = button.find(Selectors.post.inpageSubmitBtnText);\n        var loadingIconContainer = button.find(Selectors.post.loadingIconContainer);\n        var width = button.outerWidth();\n        // Fix the width so that the button size doesn't change when we show the loading icon.\n        button.css('width', width);\n        textContainer.addClass('hidden');\n        loadingIconContainer.removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading icon for the submit button.\n     *\n     * @param {Object} button The submit button element\n     */\n    var hideSubmitButtonLoadingIcon = function(button) {\n        var textContainer = button.find(Selectors.post.inpageSubmitBtnText);\n        var loadingIconContainer = button.find(Selectors.post.loadingIconContainer);\n        // Reset the width back to it's default.\n        button.css('width', '');\n        textContainer.removeClass('hidden');\n        loadingIconContainer.addClass('hidden');\n    };\n\n    /**\n     * Register the event listeners for the submit button of the in page reply.\n     *\n     * @param {Object} root The discussion container element.\n     */\n    var registerEventListeners = function(root) {\n        root.on('click', Selectors.post.inpageSubmitBtn, function(e) {\n            e.preventDefault();\n            var submitButton = $(e.currentTarget);\n            var allButtons = submitButton.parent().find(Selectors.post.inpageReplyButton);\n            var form = submitButton.parents(Selectors.post.inpageReplyForm).get(0);\n            var message = form.elements.post.value.trim();\n            // For now, we consider the inline reply post written using the FORMAT_MOODLE (because a textarea is displayed).\n            // In the future, other formats should be supported, letting users to use their preferred editor and format.\n            var messageformat = CONTENT_FORMATS.MOODLE;\n            // The message post will be converted from messageformat to FORMAT_HTML.\n            var topreferredformat = true;\n            var postid = form.elements.reply.value;\n            var subject = form.elements.subject.value;\n            var currentRoot = submitButton.closest(Selectors.post.post);\n            var isprivatereply = form.elements.privatereply != undefined ? form.elements.privatereply.checked : false;\n            var modeSelector = root.find(Selectors.post.modeSelect);\n            var mode = modeSelector.length ? parseInt(modeSelector.get(0).value) : null;\n            var newid;\n\n            if (message.length) {\n                showSubmitButtonLoadingIcon(submitButton);\n                allButtons.prop('disabled', true);\n\n                Repository.addDiscussionPost(postid, subject, message, messageformat, isprivatereply, topreferredformat)\n                    .then(function(context) {\n                        var message = context.messages.reduce(function(carry, message) {\n                            if (message.type == 'success') {\n                                carry += '<p>' + message.message + '</p>';\n                            }\n                            return carry;\n                        }, '');\n                        Notification.addNotification({\n                            message: message,\n                            type: \"success\"\n                        });\n\n                        return context;\n                    })\n                    .then(function(context) {\n                        form.reset();\n                        var post = context.post;\n                        newid = post.id;\n\n                        switch (mode) {\n                            case DISPLAYCONSTANTS.NESTED_V2:\n                                var capabilities = post.capabilities;\n                                var currentAuthorName = currentRoot.children()\n                                                                   .not(Selectors.post.repliesContainer)\n                                                                   .find(Selectors.post.authorName)\n                                                                   .text();\n                                post.parentauthorname = currentAuthorName;\n                                post.showactionmenu = capabilities.view ||\n                                                      capabilities.controlreadstatus ||\n                                                      capabilities.edit ||\n                                                      capabilities.split ||\n                                                      capabilities.delete ||\n                                                      capabilities.export ||\n                                                      post.urls.viewparent;\n                                return Templates.render('mod_forum/forum_discussion_nested_v2_post_reply', post);\n                            case DISPLAYCONSTANTS.THREADED:\n                                return Templates.render('mod_forum/forum_discussion_threaded_post', post);\n                            case DISPLAYCONSTANTS.NESTED:\n                                return Templates.render('mod_forum/forum_discussion_nested_post', post);\n                            default:\n                                return Templates.render('mod_forum/forum_discussion_post', post);\n                        }\n                    })\n                    .then(function(html, js) {\n                        var repliesnode = currentRoot.find(Selectors.post.repliesContainer).first();\n\n                        if (mode == DISPLAYCONSTANTS.FLAT_NEWEST_FIRST) {\n                            return Templates.prependNodeContents(repliesnode, html, js);\n                        } else {\n                            return Templates.appendNodeContents(repliesnode, html, js);\n                        }\n                    })\n                    .then(function() {\n                        submitButton.trigger(EVENTS.POST_CREATED, newid);\n                        hideSubmitButtonLoadingIcon(submitButton);\n                        allButtons.prop('disabled', false);\n\n                        // Tell formchangechecker we submitted the form.\n                        if (typeof M.core_formchangechecker !== 'undefined') {\n                            M.core_formchangechecker.reset_form_dirty_state();\n                        }\n\n                        return currentRoot.find(Selectors.post.inpageReplyContent).hide();\n                    })\n                    .then(function() {\n                        location.href = \"#p\" + newid;\n                        return;\n                    })\n                    .catch(function(error) {\n                        hideSubmitButtonLoadingIcon(submitButton);\n                        allButtons.prop('disabled', false);\n                        return Notification.exception(error);\n                    });\n            }\n        });\n    };\n\n    return {\n        init: function(root) {\n            registerEventListeners(root);\n        },\n        CONTENT_FORMATS: CONTENT_FORMATS,\n        EVENTS: EVENTS\n    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diff --git a/mod/forum/amd/build/local/grades/grader.min.js b/mod/forum/amd/build/local/grades/grader.min.js
index 5c2accb49f0..3f678df4b28 100644
--- a/mod/forum/amd/build/local/grades/grader.min.js
+++ b/mod/forum/amd/build/local/grades/grader.min.js
@@ -1,2 +1,3 @@
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19:_yield$renderGradeTem=_context7.sent,_yield$renderGradeTem2=_slicedToArray(_yield$renderGradeTem,2),gradeHTML=_yield$renderGradeTem2[0],gradeJS=_yield$renderGradeTem2[1],gradeReplace=output.querySelector('[data-region="grade-template"]'),_templates.default.replaceNodeContents(gradeReplace,gradeHTML,gradeJS),modal.setBody(output.outerHTML),spinner.resolve();case 27:case"end":return _context7.stop()}}),_callee7)}))),function(_x13,_x14,_x15){return _ref8.apply(this,arguments)});_exports.view=view;var _ref10,renderGradeTemplate=(_ref10=_asyncToGenerator(regeneratorRuntime.mark((function _callee8(userGrade){var _yield$Templates$rend5,html,js;return regeneratorRuntime.wrap((function(_context8){for(;;)switch(_context8.prev=_context8.next){case 0:return _context8.next=2,_templates.default.renderForPromise(userGrade.templatename,userGrade.grade);case 2:return _yield$Templates$rend5=_context8.sent,html=_yield$Templates$rend5.html,js=_yield$Templates$rend5.js,_context8.abrupt("return",[html,js]);case 6:case"end":return _context8.stop()}}),_callee8)}))),function(_x16){return _ref10.apply(this,arguments)})}));
+
+//# sourceMappingURL=grader.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/grader.min.js.map b/mod/forum/amd/build/local/grades/grader.min.js.map
index 05cafb2c19a..50549dd9ea9 100644
--- a/mod/forum/amd/build/local/grades/grader.min.js.map
+++ b/mod/forum/amd/build/local/grades/grader.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/local/grades/grader\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Templates from 'core/templates';\nimport Selectors from './local/grader/selectors';\nimport getUserPicker from './local/grader/user_picker';\nimport {createLayout as createFullScreenWindow} from 'mod_forum/local/layout/fullscreen';\nimport getGradingPanelFunctions from './local/grader/gradingpanel';\nimport {add as addToast} from 'core/toast';\nimport {addNotification} from 'core/notification';\nimport {get_string as getString} from 'core/str';\nimport {failedUpdate} from 'core_grades/grades/grader/gradingpanel/normalise';\nimport {addIconToContainerWithPromise} from 'core/loadingicon';\nimport {debounce} from 'core/utils';\nimport {fillInitialValues} from 'core_grades/grades/grader/gradingpanel/comparison';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\nimport {subscribe} from 'core/pubsub';\nimport DrawerEvents from 'core/drawer_events';\n\nconst templateNames = {\n    grader: {\n        app: 'mod_forum/local/grades/grader',\n        gradingPanel: {\n            error: 'mod_forum/local/grades/local/grader/gradingpanel/error',\n        },\n        searchResults: 'mod_forum/local/grades/local/grader/user_picker/user_search',\n        status: 'mod_forum/local/grades/local/grader/status',\n    },\n};\n\n/**\n * Helper function that replaces the user picker placeholder with what we get back from the user picker class.\n *\n * @param {HTMLElement} root\n * @param {String} html\n */\nconst displayUserPicker = (root, html) => {\n    const pickerRegion = root.querySelector(Selectors.regions.pickerRegion);\n    Templates.replaceNodeContents(pickerRegion, html, '');\n};\n\n/**\n * To be removed, this is now done as a part of Templates.renderForPromise()\n *\n * @param {String} html\n * @param {String} js\n * @return {[*, *]}\n */\nconst fetchContentFromRender = (html, js) => {\n    return [html, js];\n};\n\n/**\n * Here we build the function that is passed to the user picker that'll handle updating the user content area\n * of the grading interface.\n *\n * @param {HTMLElement} root\n * @param {Function} getContentForUser\n * @param {Function} getGradeForUser\n * @param {Function} saveGradeForUser\n * @return {Function}\n */\nconst getUpdateUserContentFunction = (root, getContentForUser, getGradeForUser, saveGradeForUser) => {\n    let firstLoad = true;\n\n    return async(user) => {\n        const spinner = firstLoad ? null : addIconToContainerWithPromise(root);\n        const [\n            [html, js],\n            userGrade,\n        ] = await Promise.all([\n            getContentForUser(user.id).then(fetchContentFromRender),\n            getGradeForUser(user.id),\n        ]);\n        Templates.replaceNodeContents(root.querySelector(Selectors.regions.moduleReplace), html, js);\n\n        const [\n            gradingPanelHtml,\n            gradingPanelJS\n        ] = await Templates.render(userGrade.templatename, userGrade.grade).then(fetchContentFromRender);\n        const panelContainer = root.querySelector(Selectors.regions.gradingPanelContainer);\n        const panel = panelContainer.querySelector(Selectors.regions.gradingPanel);\n        Templates.replaceNodeContents(panel, gradingPanelHtml, gradingPanelJS);\n\n        const form = panel.querySelector('form');\n        fillInitialValues(form);\n\n        form.addEventListener('submit', event => {\n            saveGradeForUser(user);\n            event.preventDefault();\n        });\n\n        panelContainer.scrollTop = 0;\n        firstLoad = false;\n\n        if (spinner) {\n            spinner.resolve();\n        }\n        return userGrade;\n    };\n};\n\n/**\n * Show the search results container and hide the user picker and body content.\n *\n * @param {HTMLElement} bodyContainer The container element for the body content\n * @param {HTMLElement} userPickerContainer The container element for the user picker\n * @param {HTMLElement} searchResultsContainer The container element for the search results\n */\nconst showSearchResultContainer = (bodyContainer, userPickerContainer, searchResultsContainer) => {\n    bodyContainer.classList.add('hidden');\n    userPickerContainer.classList.add('hidden');\n    searchResultsContainer.classList.remove('hidden');\n};\n\n/**\n * Hide the search results container and show the user picker and body content.\n *\n * @param {HTMLElement} bodyContainer The container element for the body content\n * @param {HTMLElement} userPickerContainer The container element for the user picker\n * @param {HTMLElement} searchResultsContainer The container element for the search results\n */\nconst hideSearchResultContainer = (bodyContainer, userPickerContainer, searchResultsContainer) => {\n    bodyContainer.classList.remove('hidden');\n    userPickerContainer.classList.remove('hidden');\n    searchResultsContainer.classList.add('hidden');\n};\n\n/**\n * Toggles the visibility of the user search.\n *\n * @param {HTMLElement} toggleSearchButton The button that toggles the search\n * @param {HTMLElement} searchContainer The container element for the user search\n * @param {HTMLElement} searchInput The input element for searching\n */\nconst showUserSearchInput = (toggleSearchButton, searchContainer, searchInput) => {\n    searchContainer.classList.remove('collapsed');\n    toggleSearchButton.setAttribute('aria-expanded', 'true');\n    toggleSearchButton.classList.add('expand');\n    toggleSearchButton.classList.remove('collapse');\n\n    // Hide the grading info container from screen reader.\n    const gradingInfoContainer = searchContainer.parentElement.querySelector(Selectors.regions.gradingInfoContainer);\n    gradingInfoContainer.setAttribute('aria-hidden', 'true');\n\n    // Hide the collapse grading drawer button from screen reader.\n    const collapseGradingDrawer = searchContainer.parentElement.querySelector(Selectors.buttons.collapseGradingDrawer);\n    collapseGradingDrawer.setAttribute('aria-hidden', 'true');\n    collapseGradingDrawer.setAttribute('tabindex', '-1');\n\n    searchInput.focus();\n};\n\n/**\n * Toggles the visibility of the user search.\n *\n * @param {HTMLElement} toggleSearchButton The button that toggles the search\n * @param {HTMLElement} searchContainer The container element for the user search\n * @param {HTMLElement} searchInput The input element for searching\n */\nconst hideUserSearchInput = (toggleSearchButton, searchContainer, searchInput) => {\n    searchContainer.classList.add('collapsed');\n    toggleSearchButton.setAttribute('aria-expanded', 'false');\n    toggleSearchButton.classList.add('collapse');\n    toggleSearchButton.classList.remove('expand');\n    toggleSearchButton.focus();\n\n    // Show the grading info container to screen reader.\n    const gradingInfoContainer = searchContainer.parentElement.querySelector(Selectors.regions.gradingInfoContainer);\n    gradingInfoContainer.removeAttribute('aria-hidden');\n\n    // Show the collapse grading drawer button from screen reader.\n    const collapseGradingDrawer = searchContainer.parentElement.querySelector(Selectors.buttons.collapseGradingDrawer);\n    collapseGradingDrawer.removeAttribute('aria-hidden');\n    collapseGradingDrawer.setAttribute('tabindex', '0');\n\n    searchInput.value = '';\n};\n\n/**\n * Find the list of users who's names include the given search term.\n *\n * @param {Array} userList List of users for the grader\n * @param {String} searchTerm The search term to match\n * @return {Array}\n */\nconst searchForUsers = (userList, searchTerm) => {\n    if (searchTerm === '') {\n        return userList;\n    }\n\n    searchTerm = searchTerm.toLowerCase();\n\n    return userList.filter((user) => {\n        return user.fullname.toLowerCase().includes(searchTerm);\n    });\n};\n\n/**\n * Render the list of users in the search results area.\n *\n * @param {HTMLElement} searchResultsContainer The container element for search results\n * @param {Array} users The list of users to display\n */\nconst renderSearchResults = async(searchResultsContainer, users) => {\n    const {html, js} = await Templates.renderForPromise(templateNames.grader.searchResults, {users});\n    Templates.replaceNodeContents(searchResultsContainer, html, js);\n};\n\n/**\n * Add click handlers to the buttons in the header of the grading interface.\n *\n * @param {HTMLElement} graderLayout\n * @param {Object} userPicker\n * @param {Function} saveGradeFunction\n * @param {Array} userList List of users for the grader.\n */\nconst registerEventListeners = (graderLayout, userPicker, saveGradeFunction, userList) => {\n    const graderContainer = graderLayout.getContainer();\n    const toggleSearchButton = graderContainer.querySelector(Selectors.buttons.toggleSearch);\n    const searchInputContainer = graderContainer.querySelector(Selectors.regions.userSearchContainer);\n    const searchInput = searchInputContainer.querySelector(Selectors.regions.userSearchInput);\n    const bodyContainer = graderContainer.querySelector(Selectors.regions.bodyContainer);\n    const userPickerContainer = graderContainer.querySelector(Selectors.regions.pickerRegion);\n    const searchResultsContainer = graderContainer.querySelector(Selectors.regions.searchResultsContainer);\n\n    graderContainer.addEventListener('click', (e) => {\n        if (e.target.closest(Selectors.buttons.toggleFullscreen)) {\n            e.stopImmediatePropagation();\n            e.preventDefault();\n            graderLayout.toggleFullscreen();\n\n            return;\n        }\n\n        if (e.target.closest(Selectors.buttons.closeGrader)) {\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            graderLayout.close();\n\n            return;\n        }\n\n        if (e.target.closest(Selectors.buttons.saveGrade)) {\n            saveGradeFunction(userPicker.currentUser);\n        }\n\n        if (e.target.closest(Selectors.buttons.toggleSearch)) {\n            if (toggleSearchButton.getAttribute('aria-expanded') === 'true') {\n                // Search is open so let's close it.\n                hideUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n                hideSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n                searchResultsContainer.innerHTML = '';\n            } else {\n                // Search is closed so let's open it.\n                showUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n                showSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n                renderSearchResults(searchResultsContainer, userList);\n            }\n\n            return;\n        }\n\n        const selectUserButton = e.target.closest(Selectors.buttons.selectUser);\n        if (selectUserButton) {\n            const userId = selectUserButton.getAttribute('data-userid');\n            const user = userList.find(user => user.id == userId);\n            userPicker.setUserId(userId);\n            userPicker.showUser(user);\n            hideUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n            hideSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n            searchResultsContainer.innerHTML = '';\n        }\n    });\n\n    // Debounce the search input so that it only executes 300 milliseconds after the user has finished typing.\n    searchInput.addEventListener('input', debounce(() => {\n        const users = searchForUsers(userList, searchInput.value);\n        renderSearchResults(searchResultsContainer, users);\n    }, 300));\n\n    // Remove the right margin of the content container when the grading panel is hidden so that it expands to full-width.\n    subscribe(DrawerEvents.DRAWER_HIDDEN, (drawerRoot) => {\n        const gradingPanel = drawerRoot[0];\n        if (gradingPanel.querySelector(Selectors.regions.gradingPanel)) {\n            setContentContainerMargin(graderContainer, 0);\n        }\n    });\n\n    // Bring back the right margin of the content container when the grading panel is shown to give space for the grading panel.\n    subscribe(DrawerEvents.DRAWER_SHOWN, (drawerRoot) => {\n        const gradingPanel = drawerRoot[0];\n        if (gradingPanel.querySelector(Selectors.regions.gradingPanel)) {\n            setContentContainerMargin(graderContainer, gradingPanel.offsetWidth);\n        }\n    });\n};\n\n/**\n * Adjusts the right margin of the content container.\n *\n * @param {HTMLElement} graderContainer The container for the grader app.\n * @param {Number} rightMargin The right margin value.\n */\nconst setContentContainerMargin = (graderContainer, rightMargin) => {\n    const contentContainer = graderContainer.querySelector(Selectors.regions.moduleContainer);\n    if (contentContainer) {\n        contentContainer.style.marginRight = `${rightMargin}px`;\n    }\n};\n\n/**\n * Get the function used to save a user grade.\n *\n * @param {HTMLElement} root The container for the grader\n * @param {Function} setGradeForUser The function that will be called.\n * @return {Function}\n */\nconst getSaveUserGradeFunction = (root, setGradeForUser) => {\n    return async(user) => {\n        try {\n            root.querySelector(Selectors.regions.gradingPanelErrors).innerHTML = '';\n            const result = await setGradeForUser(\n                user.id,\n                root.querySelector(Selectors.values.sendStudentNotifications).value,\n                root.querySelector(Selectors.regions.gradingPanel)\n            );\n            if (result.success) {\n                addToast(await getString('grades:gradesavedfor', 'mod_forum', user));\n            }\n            if (result.failed) {\n                displayGradingError(root, user, result.error);\n            }\n\n            return result;\n        } catch (err) {\n            displayGradingError(root, user, err);\n\n            return failedUpdate(err);\n        }\n    };\n};\n\n/**\n * Display a grading error, typically from a failed save.\n *\n * @param {HTMLElement} root The container for the grader\n * @param {Object} user The user who was errored\n * @param {Object} err The details of the error\n */\nconst displayGradingError = async(root, user, err) => {\n    const [\n        {html, js},\n        errorString\n    ] = await Promise.all([\n        Templates.renderForPromise(templateNames.grader.gradingPanel.error, {error: err}),\n        await getString('grades:gradesavefailed', 'mod_forum', {error: err.message, ...user}),\n    ]);\n\n    Templates.replaceNodeContents(root.querySelector(Selectors.regions.gradingPanelErrors), html, js);\n    addToast(errorString);\n};\n\n/**\n * Launch the grader interface with the specified parameters.\n *\n * @param {Function} getListOfUsers A function to get the list of users\n * @param {Function} getContentForUser A function to get the content for a specific user\n * @param {Function} getGradeForUser A function get the grade details for a specific user\n * @param {Function} setGradeForUser A function to set the grade for a specific user\n * @param {Object} Preferences for the launch function\n */\nexport const launch = async(getListOfUsers, getContentForUser, getGradeForUser, setGradeForUser, {\n    initialUserId = null,\n    moduleName,\n    courseName,\n    courseUrl,\n    sendStudentNotifications,\n    focusOnClose = null,\n} = {}) => {\n\n    // We need all of these functions to be executed in series, if one step runs before another the interface\n    // will not work.\n\n    // We need this promise to resolve separately so that we can avoid loading the whole interface if there are no users.\n    const userList = await getListOfUsers();\n    if (!userList.length) {\n        addNotification({\n            message: await getString('nouserstograde', 'core_grades'),\n            type: \"error\",\n        });\n        return;\n    }\n\n    // Now that we have confirmed there are at least some users let's boot up the grader interface.\n    const [\n        graderLayout,\n        {html, js},\n    ] = await Promise.all([\n        createFullScreenWindow({\n            fullscreen: false,\n            showLoader: false,\n            focusOnClose,\n        }),\n        Templates.renderForPromise(templateNames.grader.app, {\n            moduleName,\n            courseName,\n            courseUrl,\n            drawer: {show: true},\n            defaultsendnotifications: sendStudentNotifications,\n        }),\n    ]);\n\n    const graderContainer = graderLayout.getContainer();\n\n    const saveGradeFunction = getSaveUserGradeFunction(graderContainer, setGradeForUser);\n\n    Templates.replaceNodeContents(graderContainer, html, js);\n    const updateUserContent = getUpdateUserContentFunction(graderContainer, getContentForUser, getGradeForUser, saveGradeFunction);\n\n    const userIds = userList.map(user => user.id);\n    const statusContainer = graderContainer.querySelector(Selectors.regions.statusContainer);\n    // Fetch the userpicker for display.\n    const userPicker = await getUserPicker(\n        userList,\n        async(user) => {\n            const userGrade = await updateUserContent(user);\n            const renderContext = {\n                status: userGrade.hasgrade,\n                index: userIds.indexOf(user.id) + 1,\n                total: userList.length\n            };\n            Templates.render(templateNames.grader.status, renderContext).then(html => {\n                statusContainer.innerHTML = html;\n                return html;\n            }).catch();\n        },\n        saveGradeFunction,\n        {\n            initialUserId,\n        },\n    );\n\n    // Register all event listeners.\n    registerEventListeners(graderLayout, userPicker, saveGradeFunction, userList);\n\n    // Display the newly created user picker.\n    displayUserPicker(graderContainer, userPicker.rootNode);\n};\n\n/**\n * Show the grade for a specific user.\n *\n * @param {Function} getGradeForUser A function get the grade details for a specific user\n * @param {Number} userid The ID of a specific user\n * @param {String} moduleName the name of the module\n */\nexport const view = async(getGradeForUser, userid, moduleName, {\n    focusOnClose = null,\n} = {}) => {\n\n    const [\n        userGrade,\n        modal,\n    ] = await Promise.all([\n        getGradeForUser(userid),\n        Modal.create({\n            title: moduleName,\n            large: true,\n            type: Modal.types.CANCEL\n        }),\n    ]);\n\n    const spinner = addIconToContainerWithPromise(modal.getRoot());\n\n    // Handle hidden event.\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        // Destroy when hidden.\n        modal.destroy();\n        if (focusOnClose) {\n            try {\n                focusOnClose.focus();\n            } catch (e) {\n                // eslint-disable-line\n            }\n        }\n    });\n\n    modal.show();\n    const output = document.createElement('div');\n    const {html, js} = await Templates.renderForPromise('mod_forum/local/grades/view_grade', userGrade);\n    Templates.replaceNodeContents(output, html, js);\n\n    // Note: We do not use await here because it messes with the Modal transitions.\n    const [gradeHTML, gradeJS] = await renderGradeTemplate(userGrade);\n    const gradeReplace = output.querySelector('[data-region=\"grade-template\"]');\n    Templates.replaceNodeContents(gradeReplace, gradeHTML, gradeJS);\n    modal.setBody(output.outerHTML);\n    spinner.resolve();\n};\n\nconst renderGradeTemplate = async(userGrade) => {\n    const {html, js} = await Templates.renderForPromise(userGrade.templatename, userGrade.grade);\n    return [html, js];\n};\nexport {getGradingPanelFunctions};\n"],"file":"grader.min.js"}
\ No newline at end of file
+{"version":3,"file":"grader.min.js","sources":["../../../src/local/grades/grader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/local/grades/grader\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Templates from 'core/templates';\nimport Selectors from './local/grader/selectors';\nimport getUserPicker from './local/grader/user_picker';\nimport {createLayout as createFullScreenWindow} from 'mod_forum/local/layout/fullscreen';\nimport getGradingPanelFunctions from './local/grader/gradingpanel';\nimport {add as addToast} from 'core/toast';\nimport {addNotification} from 'core/notification';\nimport {get_string as getString} from 'core/str';\nimport {failedUpdate} from 'core_grades/grades/grader/gradingpanel/normalise';\nimport {addIconToContainerWithPromise} from 'core/loadingicon';\nimport {debounce} from 'core/utils';\nimport {fillInitialValues} from 'core_grades/grades/grader/gradingpanel/comparison';\nimport * as Modal from 'core/modal_factory';\nimport * as ModalEvents from 'core/modal_events';\nimport {subscribe} from 'core/pubsub';\nimport DrawerEvents from 'core/drawer_events';\n\nconst templateNames = {\n    grader: {\n        app: 'mod_forum/local/grades/grader',\n        gradingPanel: {\n            error: 'mod_forum/local/grades/local/grader/gradingpanel/error',\n        },\n        searchResults: 'mod_forum/local/grades/local/grader/user_picker/user_search',\n        status: 'mod_forum/local/grades/local/grader/status',\n    },\n};\n\n/**\n * Helper function that replaces the user picker placeholder with what we get back from the user picker class.\n *\n * @param {HTMLElement} root\n * @param {String} html\n */\nconst displayUserPicker = (root, html) => {\n    const pickerRegion = root.querySelector(Selectors.regions.pickerRegion);\n    Templates.replaceNodeContents(pickerRegion, html, '');\n};\n\n/**\n * To be removed, this is now done as a part of Templates.renderForPromise()\n *\n * @param {String} html\n * @param {String} js\n * @return {[*, *]}\n */\nconst fetchContentFromRender = (html, js) => {\n    return [html, js];\n};\n\n/**\n * Here we build the function that is passed to the user picker that'll handle updating the user content area\n * of the grading interface.\n *\n * @param {HTMLElement} root\n * @param {Function} getContentForUser\n * @param {Function} getGradeForUser\n * @param {Function} saveGradeForUser\n * @return {Function}\n */\nconst getUpdateUserContentFunction = (root, getContentForUser, getGradeForUser, saveGradeForUser) => {\n    let firstLoad = true;\n\n    return async(user) => {\n        const spinner = firstLoad ? null : addIconToContainerWithPromise(root);\n        const [\n            [html, js],\n            userGrade,\n        ] = await Promise.all([\n            getContentForUser(user.id).then(fetchContentFromRender),\n            getGradeForUser(user.id),\n        ]);\n        Templates.replaceNodeContents(root.querySelector(Selectors.regions.moduleReplace), html, js);\n\n        const [\n            gradingPanelHtml,\n            gradingPanelJS\n        ] = await Templates.render(userGrade.templatename, userGrade.grade).then(fetchContentFromRender);\n        const panelContainer = root.querySelector(Selectors.regions.gradingPanelContainer);\n        const panel = panelContainer.querySelector(Selectors.regions.gradingPanel);\n        Templates.replaceNodeContents(panel, gradingPanelHtml, gradingPanelJS);\n\n        const form = panel.querySelector('form');\n        fillInitialValues(form);\n\n        form.addEventListener('submit', event => {\n            saveGradeForUser(user);\n            event.preventDefault();\n        });\n\n        panelContainer.scrollTop = 0;\n        firstLoad = false;\n\n        if (spinner) {\n            spinner.resolve();\n        }\n        return userGrade;\n    };\n};\n\n/**\n * Show the search results container and hide the user picker and body content.\n *\n * @param {HTMLElement} bodyContainer The container element for the body content\n * @param {HTMLElement} userPickerContainer The container element for the user picker\n * @param {HTMLElement} searchResultsContainer The container element for the search results\n */\nconst showSearchResultContainer = (bodyContainer, userPickerContainer, searchResultsContainer) => {\n    bodyContainer.classList.add('hidden');\n    userPickerContainer.classList.add('hidden');\n    searchResultsContainer.classList.remove('hidden');\n};\n\n/**\n * Hide the search results container and show the user picker and body content.\n *\n * @param {HTMLElement} bodyContainer The container element for the body content\n * @param {HTMLElement} userPickerContainer The container element for the user picker\n * @param {HTMLElement} searchResultsContainer The container element for the search results\n */\nconst hideSearchResultContainer = (bodyContainer, userPickerContainer, searchResultsContainer) => {\n    bodyContainer.classList.remove('hidden');\n    userPickerContainer.classList.remove('hidden');\n    searchResultsContainer.classList.add('hidden');\n};\n\n/**\n * Toggles the visibility of the user search.\n *\n * @param {HTMLElement} toggleSearchButton The button that toggles the search\n * @param {HTMLElement} searchContainer The container element for the user search\n * @param {HTMLElement} searchInput The input element for searching\n */\nconst showUserSearchInput = (toggleSearchButton, searchContainer, searchInput) => {\n    searchContainer.classList.remove('collapsed');\n    toggleSearchButton.setAttribute('aria-expanded', 'true');\n    toggleSearchButton.classList.add('expand');\n    toggleSearchButton.classList.remove('collapse');\n\n    // Hide the grading info container from screen reader.\n    const gradingInfoContainer = searchContainer.parentElement.querySelector(Selectors.regions.gradingInfoContainer);\n    gradingInfoContainer.setAttribute('aria-hidden', 'true');\n\n    // Hide the collapse grading drawer button from screen reader.\n    const collapseGradingDrawer = searchContainer.parentElement.querySelector(Selectors.buttons.collapseGradingDrawer);\n    collapseGradingDrawer.setAttribute('aria-hidden', 'true');\n    collapseGradingDrawer.setAttribute('tabindex', '-1');\n\n    searchInput.focus();\n};\n\n/**\n * Toggles the visibility of the user search.\n *\n * @param {HTMLElement} toggleSearchButton The button that toggles the search\n * @param {HTMLElement} searchContainer The container element for the user search\n * @param {HTMLElement} searchInput The input element for searching\n */\nconst hideUserSearchInput = (toggleSearchButton, searchContainer, searchInput) => {\n    searchContainer.classList.add('collapsed');\n    toggleSearchButton.setAttribute('aria-expanded', 'false');\n    toggleSearchButton.classList.add('collapse');\n    toggleSearchButton.classList.remove('expand');\n    toggleSearchButton.focus();\n\n    // Show the grading info container to screen reader.\n    const gradingInfoContainer = searchContainer.parentElement.querySelector(Selectors.regions.gradingInfoContainer);\n    gradingInfoContainer.removeAttribute('aria-hidden');\n\n    // Show the collapse grading drawer button from screen reader.\n    const collapseGradingDrawer = searchContainer.parentElement.querySelector(Selectors.buttons.collapseGradingDrawer);\n    collapseGradingDrawer.removeAttribute('aria-hidden');\n    collapseGradingDrawer.setAttribute('tabindex', '0');\n\n    searchInput.value = '';\n};\n\n/**\n * Find the list of users who's names include the given search term.\n *\n * @param {Array} userList List of users for the grader\n * @param {String} searchTerm The search term to match\n * @return {Array}\n */\nconst searchForUsers = (userList, searchTerm) => {\n    if (searchTerm === '') {\n        return userList;\n    }\n\n    searchTerm = searchTerm.toLowerCase();\n\n    return userList.filter((user) => {\n        return user.fullname.toLowerCase().includes(searchTerm);\n    });\n};\n\n/**\n * Render the list of users in the search results area.\n *\n * @param {HTMLElement} searchResultsContainer The container element for search results\n * @param {Array} users The list of users to display\n */\nconst renderSearchResults = async(searchResultsContainer, users) => {\n    const {html, js} = await Templates.renderForPromise(templateNames.grader.searchResults, {users});\n    Templates.replaceNodeContents(searchResultsContainer, html, js);\n};\n\n/**\n * Add click handlers to the buttons in the header of the grading interface.\n *\n * @param {HTMLElement} graderLayout\n * @param {Object} userPicker\n * @param {Function} saveGradeFunction\n * @param {Array} userList List of users for the grader.\n */\nconst registerEventListeners = (graderLayout, userPicker, saveGradeFunction, userList) => {\n    const graderContainer = graderLayout.getContainer();\n    const toggleSearchButton = graderContainer.querySelector(Selectors.buttons.toggleSearch);\n    const searchInputContainer = graderContainer.querySelector(Selectors.regions.userSearchContainer);\n    const searchInput = searchInputContainer.querySelector(Selectors.regions.userSearchInput);\n    const bodyContainer = graderContainer.querySelector(Selectors.regions.bodyContainer);\n    const userPickerContainer = graderContainer.querySelector(Selectors.regions.pickerRegion);\n    const searchResultsContainer = graderContainer.querySelector(Selectors.regions.searchResultsContainer);\n\n    graderContainer.addEventListener('click', (e) => {\n        if (e.target.closest(Selectors.buttons.toggleFullscreen)) {\n            e.stopImmediatePropagation();\n            e.preventDefault();\n            graderLayout.toggleFullscreen();\n\n            return;\n        }\n\n        if (e.target.closest(Selectors.buttons.closeGrader)) {\n            e.stopImmediatePropagation();\n            e.preventDefault();\n\n            graderLayout.close();\n\n            return;\n        }\n\n        if (e.target.closest(Selectors.buttons.saveGrade)) {\n            saveGradeFunction(userPicker.currentUser);\n        }\n\n        if (e.target.closest(Selectors.buttons.toggleSearch)) {\n            if (toggleSearchButton.getAttribute('aria-expanded') === 'true') {\n                // Search is open so let's close it.\n                hideUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n                hideSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n                searchResultsContainer.innerHTML = '';\n            } else {\n                // Search is closed so let's open it.\n                showUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n                showSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n                renderSearchResults(searchResultsContainer, userList);\n            }\n\n            return;\n        }\n\n        const selectUserButton = e.target.closest(Selectors.buttons.selectUser);\n        if (selectUserButton) {\n            const userId = selectUserButton.getAttribute('data-userid');\n            const user = userList.find(user => user.id == userId);\n            userPicker.setUserId(userId);\n            userPicker.showUser(user);\n            hideUserSearchInput(toggleSearchButton, searchInputContainer, searchInput);\n            hideSearchResultContainer(bodyContainer, userPickerContainer, searchResultsContainer);\n            searchResultsContainer.innerHTML = '';\n        }\n    });\n\n    // Debounce the search input so that it only executes 300 milliseconds after the user has finished typing.\n    searchInput.addEventListener('input', debounce(() => {\n        const users = searchForUsers(userList, searchInput.value);\n        renderSearchResults(searchResultsContainer, users);\n    }, 300));\n\n    // Remove the right margin of the content container when the grading panel is hidden so that it expands to full-width.\n    subscribe(DrawerEvents.DRAWER_HIDDEN, (drawerRoot) => {\n        const gradingPanel = drawerRoot[0];\n        if (gradingPanel.querySelector(Selectors.regions.gradingPanel)) {\n            setContentContainerMargin(graderContainer, 0);\n        }\n    });\n\n    // Bring back the right margin of the content container when the grading panel is shown to give space for the grading panel.\n    subscribe(DrawerEvents.DRAWER_SHOWN, (drawerRoot) => {\n        const gradingPanel = drawerRoot[0];\n        if (gradingPanel.querySelector(Selectors.regions.gradingPanel)) {\n            setContentContainerMargin(graderContainer, gradingPanel.offsetWidth);\n        }\n    });\n};\n\n/**\n * Adjusts the right margin of the content container.\n 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 root.querySelector(Selectors.regions.gradingPanel)\n            );\n            if (result.success) {\n                addToast(await getString('grades:gradesavedfor', 'mod_forum', user));\n            }\n            if (result.failed) {\n                displayGradingError(root, user, result.error);\n            }\n\n            return result;\n        } catch (err) {\n            displayGradingError(root, user, err);\n\n            return failedUpdate(err);\n        }\n    };\n};\n\n/**\n * Display a grading error, typically from a failed save.\n *\n * @param {HTMLElement} root The container for the grader\n * @param {Object} user The user who was errored\n * @param {Object} err The details of the error\n */\nconst displayGradingError = async(root, user, err) => {\n    const [\n        {html, js},\n        errorString\n    ] = await Promise.all([\n        Templates.renderForPromise(templateNames.grader.gradingPanel.error, {error: err}),\n        await getString('grades:gradesavefailed', 'mod_forum', {error: err.message, ...user}),\n    ]);\n\n    Templates.replaceNodeContents(root.querySelector(Selectors.regions.gradingPanelErrors), html, js);\n    addToast(errorString);\n};\n\n/**\n * Launch the grader interface with the specified parameters.\n *\n * @param {Function} getListOfUsers A function to get the list of users\n * @param {Function} getContentForUser A function to get the content for a specific user\n * @param {Function} getGradeForUser A function get the grade details for a specific user\n * @param {Function} setGradeForUser A function to set the grade for a specific user\n * @param {Object} Preferences for the launch function\n */\nexport const launch = async(getListOfUsers, getContentForUser, getGradeForUser, setGradeForUser, {\n    initialUserId = null,\n    moduleName,\n    courseName,\n    courseUrl,\n    sendStudentNotifications,\n    focusOnClose = null,\n} = {}) => {\n\n    // We need all of these functions to be executed in series, if one step runs before another the interface\n    // will not work.\n\n    // We need this promise to resolve separately so that we can avoid loading the whole interface if there are no users.\n    const userList = await getListOfUsers();\n    if (!userList.length) {\n        addNotification({\n            message: await getString('nouserstograde', 'core_grades'),\n            type: \"error\",\n        });\n        return;\n    }\n\n    // Now that we have confirmed there are at least some users let's boot up the grader interface.\n    const [\n        graderLayout,\n        {html, js},\n    ] = await Promise.all([\n        createFullScreenWindow({\n            fullscreen: false,\n            showLoader: false,\n            focusOnClose,\n        }),\n        Templates.renderForPromise(templateNames.grader.app, {\n            moduleName,\n            courseName,\n            courseUrl,\n            drawer: {show: true},\n            defaultsendnotifications: sendStudentNotifications,\n        }),\n    ]);\n\n    const graderContainer = graderLayout.getContainer();\n\n    const saveGradeFunction = getSaveUserGradeFunction(graderContainer, setGradeForUser);\n\n    Templates.replaceNodeContents(graderContainer, html, js);\n    const updateUserContent = getUpdateUserContentFunction(graderContainer, getContentForUser, getGradeForUser, saveGradeFunction);\n\n    const userIds = userList.map(user => user.id);\n    const statusContainer = graderContainer.querySelector(Selectors.regions.statusContainer);\n    // Fetch the userpicker for display.\n    const userPicker = await getUserPicker(\n        userList,\n        async(user) => {\n            const userGrade = await updateUserContent(user);\n            const renderContext = {\n                status: userGrade.hasgrade,\n                index: userIds.indexOf(user.id) + 1,\n                total: userList.length\n            };\n            Templates.render(templateNames.grader.status, renderContext).then(html => {\n                statusContainer.innerHTML = html;\n                return html;\n            }).catch();\n        },\n        saveGradeFunction,\n        {\n            initialUserId,\n        },\n    );\n\n    // Register all event listeners.\n    registerEventListeners(graderLayout, userPicker, saveGradeFunction, userList);\n\n    // Display the newly created user picker.\n    displayUserPicker(graderContainer, userPicker.rootNode);\n};\n\n/**\n * Show the grade for a specific user.\n *\n * @param {Function} getGradeForUser A function get the grade details for a specific user\n * @param {Number} userid The ID of a specific user\n * @param {String} moduleName the name of the module\n */\nexport const view = async(getGradeForUser, userid, moduleName, {\n    focusOnClose = null,\n} = {}) => {\n\n    const [\n        userGrade,\n        modal,\n    ] = await Promise.all([\n        getGradeForUser(userid),\n        Modal.create({\n            title: moduleName,\n            large: true,\n            type: Modal.types.CANCEL\n        }),\n    ]);\n\n    const spinner = addIconToContainerWithPromise(modal.getRoot());\n\n    // Handle hidden event.\n    modal.getRoot().on(ModalEvents.hidden, function() {\n        // Destroy when hidden.\n        modal.destroy();\n        if (focusOnClose) {\n            try {\n                focusOnClose.focus();\n            } catch (e) {\n                // eslint-disable-line\n            }\n        }\n    });\n\n    modal.show();\n    const output = document.createElement('div');\n    const {html, js} = await Templates.renderForPromise('mod_forum/local/grades/view_grade', userGrade);\n    Templates.replaceNodeContents(output, html, js);\n\n    // Note: We do not use await here because it messes with the Modal transitions.\n    const [gradeHTML, gradeJS] = await renderGradeTemplate(userGrade);\n    const gradeReplace = output.querySelector('[data-region=\"grade-template\"]');\n    Templates.replaceNodeContents(gradeReplace, gradeHTML, gradeJS);\n    modal.setBody(output.outerHTML);\n    spinner.resolve();\n};\n\nconst renderGradeTemplate = async(userGrade) => {\n    const {html, js} = await Templates.renderForPromise(userGrade.templatename, userGrade.grade);\n    return [html, js];\n};\nexport 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diff --git a/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js b/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js
index 4b30237e229..c6ac20bc75c 100644
--- a/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js
+++ b/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js
@@ -1,2 +1,12 @@
-define ("mod_forum/local/grades/local/grader/gradingpanel",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function c(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function d(a){return function(){var b=this,d=arguments;return new Promise(function(e,f){var g=a.apply(b,d);function h(a){c(g,e,f,h,i,"next",a)}function i(a){c(g,e,f,h,i,"throw",a)}h(void 0)})}}var e=function(){var a=d(regeneratorRuntime.mark(function g(a,c,d,e,f){var h,i;return regeneratorRuntime.wrap(function(g){while(1){switch(g.prev=g.next){case 0:h="".concat(d,"/grades/grader/gradingpanel");if(e){h+="/".concat(e)}g.next=4;return"function"==typeof b.define&&b.define.amd?new Promise(function(a,c){b.require([h],a,c)}):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&b.require&&"component"===b.require.loader?Promise.resolve(require((h))):Promise.resolve(b[h]);case 4:i=g.sent;return g.abrupt("return",{getter:function(b){return i.fetchCurrentGrade(a,c,f,b)},setter:function(b,d,e){return i.storeCurrentGrade(a,c,f,b,d,e)}});case 6:case"end":return g.stop();}}},g)}));return function(){return a.apply(this,arguments)}}();a.default=e;return a.default});
-//# sourceMappingURL=gradingpanel.min.js.map
+define("mod_forum/local/grades/local/grader/gradingpanel",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;var _systemImportTransformerGlobalIdentifier="undefined"!=typeof window?window:"undefined"!=typeof self?self:"undefined"!=typeof global?global:{};function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}
+/**
+   * Grading panel functions.
+   *
+   * @module     mod_forum/local/grades/local/grader/gradingpnael
+   * @package    mod_forum
+   * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var fn,_ref,_default=(fn=regeneratorRuntime.mark((function _callee(component,context,gradingComponent,gradingSubtype,itemName){var gradingMethodHandler,GradingMethod;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:return gradingMethodHandler="".concat(gradingComponent,"/grades/grader/gradingpanel"),gradingSubtype&&(gradingMethodHandler+="/".concat(gradingSubtype)),_context.next=4,"function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require([gradingMethodHandler],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require(gradingMethodHandler)):Promise.resolve(_systemImportTransformerGlobalIdentifier[gradingMethodHandler]);case 4:return GradingMethod=_context.sent,_context.abrupt("return",{getter:function(userId){return GradingMethod.fetchCurrentGrade(component,context,itemName,userId)},setter:function(userId,notifyStudent,formData){return GradingMethod.storeCurrentGrade(component,context,itemName,userId,notifyStudent,formData)}});case 6:case"end":return _context.stop()}}),_callee)})),_ref=function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))},function(_x,_x2,_x3,_x4,_x5){return _ref.apply(this,arguments)});return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=gradingpanel.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js.map b/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js.map
index a8fc06ee6ae..7a4620516d1 100644
--- a/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js.map
+++ b/mod/forum/amd/build/local/grades/local/grader/gradingpanel.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../../src/local/grades/local/grader/gradingpanel.js"],"names":["component","context","gradingComponent","gradingSubtype","itemName","gradingMethodHandler","GradingMethod","getter","userId","fetchCurrentGrade","setter","notifyStudent","formData","storeCurrentGrade"],"mappings":"6nBAoCe,WAAMA,CAAN,CAAiBC,CAAjB,CAA0BC,CAA1B,CAA4CC,CAA5C,CAA4DC,CAA5D,2FACPC,CADO,WACmBH,CADnB,gCAEX,GAAIC,CAAJ,CAAoB,CAChBE,CAAoB,aAAQF,CAAR,CACvB,CAJU,8FAMwBE,CANxB,mMAMwBA,CANxB,sBAMwBA,CANxB,UAMLC,CANK,iCAQJ,CACHC,MAAM,CAAE,SAACC,CAAD,QAAYF,CAAAA,CAAa,CAACG,iBAAd,CAAgCT,CAAhC,CAA2CC,CAA3C,CAAoDG,CAApD,CAA8DI,CAA9D,CAAZ,CADL,CAEHE,MAAM,CAAE,SAACF,CAAD,CAASG,CAAT,CAAwBC,CAAxB,QAAqCN,CAAAA,CAAa,CAACO,iBAAd,CACzCb,CADyC,CAC9BC,CAD8B,CACrBG,CADqB,CACXI,CADW,CACHG,CADG,CACYC,CADZ,CAArC,CAFL,CARI,0C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel functions.\n *\n * @module     mod_forum/local/grades/local/grader/gradingpnael\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Get the grade panel setter and getter for the current component.\n * This function dynamically pulls the relevant gradingpanel JS file defined in the grading method.\n * We do this because we do not know until execution time what the grading type is and we do not want to import unused files.\n *\n * @param {String} component The component being graded\n * @param {Number} context The contextid of the thing being graded\n * @param {String} gradingComponent The thing providing the grading type\n * @param {String} gradingSubtype The subtype fo the grading component\n * @param {String} itemName The name of the thing being graded\n * @return {Object}\n */\nexport default async(component, context, gradingComponent, gradingSubtype, itemName) => {\n    let gradingMethodHandler = `${gradingComponent}/grades/grader/gradingpanel`;\n    if (gradingSubtype) {\n        gradingMethodHandler += `/${gradingSubtype}`;\n    }\n\n    const GradingMethod = await import(gradingMethodHandler);\n\n    return {\n        getter: (userId) => GradingMethod.fetchCurrentGrade(component, context, itemName, userId),\n        setter: (userId, notifyStudent, formData) => GradingMethod.storeCurrentGrade(\n            component, context, itemName, userId, notifyStudent, formData),\n    };\n};\n\n"],"file":"gradingpanel.min.js"}
\ No newline at end of file
+{"version":3,"file":"gradingpanel.min.js","sources":["../../../../../src/local/grades/local/grader/gradingpanel.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Grading panel functions.\n *\n * @module     mod_forum/local/grades/local/grader/gradingpnael\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Get the grade panel setter and getter for the current component.\n * This function dynamically pulls the relevant gradingpanel JS file defined in the grading method.\n * We do this because we do not know until execution time what the grading type is and we do not want to import unused files.\n *\n * @param {String} component The component being graded\n * @param {Number} context The contextid of the thing being graded\n * @param {String} gradingComponent The thing providing the grading type\n * @param {String} gradingSubtype The subtype fo the grading component\n * @param {String} itemName The name of the thing being graded\n * @return {Object}\n */\nexport default async(component, context, gradingComponent, gradingSubtype, itemName) => {\n    let gradingMethodHandler = `${gradingComponent}/grades/grader/gradingpanel`;\n    if (gradingSubtype) {\n        gradingMethodHandler += `/${gradingSubtype}`;\n    }\n\n    const GradingMethod = await import(gradingMethodHandler);\n\n    return {\n        getter: (userId) => GradingMethod.fetchCurrentGrade(component, context, itemName, userId),\n        setter: (userId, notifyStudent, formData) => GradingMethod.storeCurrentGrade(\n            component, context, itemName, userId, notifyStudent, formData),\n    };\n};\n\n"],"names":["component","context","gradingComponent","gradingSubtype","itemName","gradingMethodHandler","GradingMethod","getter","userId","fetchCurrentGrade","setter","notifyStudent","formData","storeCurrentGrade"],"mappings":";;;;;;;;;kDAoCe,iBAAMA,UAAWC,QAASC,iBAAkBC,eAAgBC,6JACnEC,+BAA0BH,gDAC1BC,iBACAE,iCAA4BF,iPAGGE,gYAAAA,qCAA7BC,qDAEC,CACHC,OAAQ,SAACC,eAAWF,cAAcG,kBAAkBT,UAAWC,QAASG,SAAUI,SAClFE,OAAQ,SAACF,OAAQG,cAAeC,iBAAaN,cAAcO,kBACvDb,UAAWC,QAASG,SAAUI,OAAQG,cAAeC"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/local/grader/selectors.min.js b/mod/forum/amd/build/local/grades/local/grader/selectors.min.js
index 8812577197a..52925c0da01 100644
--- a/mod/forum/amd/build/local/grades/local/grader/selectors.min.js
+++ b/mod/forum/amd/build/local/grades/local/grader/selectors.min.js
@@ -1,2 +1,12 @@
-define ("mod_forum/local/grades/local/grader/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b=function(a,b){return"[data-".concat(a,"=\"").concat(b,"\"]")},c={buttons:{toggleFullscreen:b("action","togglefullscreen"),closeGrader:b("action","closegrader"),collapseGradingDrawer:b("action","collapse-grading-drawer"),saveGrade:b("action","savegrade"),selectUser:b("action","select-user"),toggleSearch:b("action","toggle-search")},regions:{bodyContainer:b("region","body-container"),moduleContainer:b("region","module_content_container"),moduleReplace:b("region","module_content"),pickerRegion:b("region","user_picker"),gradingInfoContainer:b("region","grading-info-container"),gradingPanel:b("region","grade"),gradingPanelContainer:b("region","grading-panel-container"),gradingPanelErrors:b("region","grade-errors"),searchResultsContainer:b("region","search-results-container"),statusContainer:b("region","status-container"),userSearchContainer:b("region","user-search-container"),userSearchInput:b("region","user-search-input")},values:{sendStudentNotifications:"[data-region=\"notification\"] input[type=\"radio\"]:checked"}};a.default=c;return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("mod_forum/local/grades/local/grader/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Define all of the selectors we will be using on the grading interface.
+   *
+   * @module     mod_forum/local/grades/local/grader/selectors
+   * @package    mod_forum
+   * @copyright  2019 Mathew May <mathew.solutions>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var getDataSelector=function(name,value){return"[data-".concat(name,'="').concat(value,'"]')},_default={buttons:{toggleFullscreen:getDataSelector("action","togglefullscreen"),closeGrader:getDataSelector("action","closegrader"),collapseGradingDrawer:getDataSelector("action","collapse-grading-drawer"),saveGrade:getDataSelector("action","savegrade"),selectUser:getDataSelector("action","select-user"),toggleSearch:getDataSelector("action","toggle-search")},regions:{bodyContainer:getDataSelector("region","body-container"),moduleContainer:getDataSelector("region","module_content_container"),moduleReplace:getDataSelector("region","module_content"),pickerRegion:getDataSelector("region","user_picker"),gradingInfoContainer:getDataSelector("region","grading-info-container"),gradingPanel:getDataSelector("region","grade"),gradingPanelContainer:getDataSelector("region","grading-panel-container"),gradingPanelErrors:getDataSelector("region","grade-errors"),searchResultsContainer:getDataSelector("region","search-results-container"),statusContainer:getDataSelector("region","status-container"),userSearchContainer:getDataSelector("region","user-search-container"),userSearchInput:getDataSelector("region","user-search-input")},values:{sendStudentNotifications:'[data-region="notification"] input[type="radio"]:checked'}};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/local/grader/selectors.min.js.map b/mod/forum/amd/build/local/grades/local/grader/selectors.min.js.map
index a7dcd1e17e2..0c0bf0f0ca2 100644
--- a/mod/forum/amd/build/local/grades/local/grader/selectors.min.js.map
+++ b/mod/forum/amd/build/local/grades/local/grader/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../../src/local/grades/local/grader/selectors.js"],"names":["getDataSelector","name","value","buttons","toggleFullscreen","closeGrader","collapseGradingDrawer","saveGrade","selectUser","toggleSearch","regions","bodyContainer","moduleContainer","moduleReplace","pickerRegion","gradingInfoContainer","gradingPanel","gradingPanelContainer","gradingPanelErrors","searchResultsContainer","statusContainer","userSearchContainer","userSearchInput","values","sendStudentNotifications"],"mappings":"kKA8BMA,CAAAA,CAAe,CAAG,SAACC,CAAD,CAAOC,CAAP,CAAiB,CACrC,sBAAgBD,CAAhB,eAAyBC,CAAzB,OACH,C,GAEc,CACXC,OAAO,CAAE,CACLC,gBAAgB,CAAEJ,CAAe,CAAC,QAAD,CAAW,kBAAX,CAD5B,CAELK,WAAW,CAAEL,CAAe,CAAC,QAAD,CAAW,aAAX,CAFvB,CAGLM,qBAAqB,CAAEN,CAAe,CAAC,QAAD,CAAW,yBAAX,CAHjC,CAILO,SAAS,CAAEP,CAAe,CAAC,QAAD,CAAW,WAAX,CAJrB,CAKLQ,UAAU,CAAER,CAAe,CAAC,QAAD,CAAW,aAAX,CALtB,CAMLS,YAAY,CAAET,CAAe,CAAC,QAAD,CAAW,eAAX,CANxB,CADE,CASXU,OAAO,CAAE,CACLC,aAAa,CAAEX,CAAe,CAAC,QAAD,CAAW,gBAAX,CADzB,CAELY,eAAe,CAAEZ,CAAe,CAAC,QAAD,CAAW,0BAAX,CAF3B,CAGLa,aAAa,CAAEb,CAAe,CAAC,QAAD,CAAW,gBAAX,CAHzB,CAILc,YAAY,CAAEd,CAAe,CAAC,QAAD,CAAW,aAAX,CAJxB,CAKLe,oBAAoB,CAAEf,CAAe,CAAC,QAAD,CAAW,wBAAX,CALhC,CAMLgB,YAAY,CAAEhB,CAAe,CAAC,QAAD,CAAW,OAAX,CANxB,CAOLiB,qBAAqB,CAAEjB,CAAe,CAAC,QAAD,CAAW,yBAAX,CAPjC,CAQLkB,kBAAkB,CAAElB,CAAe,CAAC,QAAD,CAAW,cAAX,CAR9B,CASLmB,sBAAsB,CAAEnB,CAAe,CAAC,QAAD,CAAW,0BAAX,CATlC,CAULoB,eAAe,CAAEpB,CAAe,CAAC,QAAD,CAAW,kBAAX,CAV3B,CAWLqB,mBAAmB,CAAErB,CAAe,CAAC,QAAD,CAAW,uBAAX,CAX/B,CAYLsB,eAAe,CAAEtB,CAAe,CAAC,QAAD,CAAW,mBAAX,CAZ3B,CATE,CAuBXuB,MAAM,CAAE,CACJC,wBAAwB,CAAE,8DADtB,CAvBG,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the grading interface.\n *\n * @module     mod_forum/local/grades/local/grader/selectors\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * A small helper function to build queryable data selectors.\n * @param {String} name\n * @param {String} value\n * @return {string}\n */\nconst getDataSelector = (name, value) => {\n    return `[data-${name}=\"${value}\"]`;\n};\n\nexport default {\n    buttons: {\n        toggleFullscreen: getDataSelector('action', 'togglefullscreen'),\n        closeGrader: getDataSelector('action', 'closegrader'),\n        collapseGradingDrawer: getDataSelector('action', 'collapse-grading-drawer'),\n        saveGrade: getDataSelector('action', 'savegrade'),\n        selectUser: getDataSelector('action', 'select-user'),\n        toggleSearch: getDataSelector('action', 'toggle-search')\n    },\n    regions: {\n        bodyContainer: getDataSelector('region', 'body-container'),\n        moduleContainer: getDataSelector('region', 'module_content_container'),\n        moduleReplace: getDataSelector('region', 'module_content'),\n        pickerRegion: getDataSelector('region', 'user_picker'),\n        gradingInfoContainer: getDataSelector('region', 'grading-info-container'),\n        gradingPanel: getDataSelector('region', 'grade'),\n        gradingPanelContainer: getDataSelector('region', 'grading-panel-container'),\n        gradingPanelErrors: getDataSelector('region', 'grade-errors'),\n        searchResultsContainer: getDataSelector('region', 'search-results-container'),\n        statusContainer: getDataSelector('region', 'status-container'),\n        userSearchContainer: getDataSelector('region', 'user-search-container'),\n        userSearchInput: getDataSelector('region', 'user-search-input')\n    },\n    values: {\n        sendStudentNotifications: '[data-region=\"notification\"] input[type=\"radio\"]:checked',\n    }\n};\n\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../../../../../src/local/grades/local/grader/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the grading interface.\n *\n * @module     mod_forum/local/grades/local/grader/selectors\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * A small helper function to build queryable data selectors.\n * @param {String} name\n * @param {String} value\n * @return {string}\n */\nconst getDataSelector = (name, value) => {\n    return `[data-${name}=\"${value}\"]`;\n};\n\nexport default {\n    buttons: {\n        toggleFullscreen: getDataSelector('action', 'togglefullscreen'),\n        closeGrader: getDataSelector('action', 'closegrader'),\n        collapseGradingDrawer: getDataSelector('action', 'collapse-grading-drawer'),\n        saveGrade: getDataSelector('action', 'savegrade'),\n        selectUser: getDataSelector('action', 'select-user'),\n        toggleSearch: getDataSelector('action', 'toggle-search')\n    },\n    regions: {\n        bodyContainer: getDataSelector('region', 'body-container'),\n        moduleContainer: getDataSelector('region', 'module_content_container'),\n        moduleReplace: getDataSelector('region', 'module_content'),\n        pickerRegion: getDataSelector('region', 'user_picker'),\n        gradingInfoContainer: getDataSelector('region', 'grading-info-container'),\n        gradingPanel: getDataSelector('region', 'grade'),\n        gradingPanelContainer: getDataSelector('region', 'grading-panel-container'),\n        gradingPanelErrors: getDataSelector('region', 'grade-errors'),\n        searchResultsContainer: getDataSelector('region', 'search-results-container'),\n        statusContainer: getDataSelector('region', 'status-container'),\n        userSearchContainer: getDataSelector('region', 'user-search-container'),\n        userSearchInput: getDataSelector('region', 'user-search-input')\n    },\n    values: {\n        sendStudentNotifications: '[data-region=\"notification\"] input[type=\"radio\"]:checked',\n    }\n};\n\n"],"names":["getDataSelector","name","value","buttons","toggleFullscreen","closeGrader","collapseGradingDrawer","saveGrade","selectUser","toggleSearch","regions","bodyContainer","moduleContainer","moduleReplace","pickerRegion","gradingInfoContainer","gradingPanel","gradingPanelContainer","gradingPanelErrors","searchResultsContainer","statusContainer","userSearchContainer","userSearchInput","values","sendStudentNotifications"],"mappings":";;;;;;;;;IA8BMA,gBAAkB,SAACC,KAAMC,6BACXD,kBAASC,sBAGd,CACXC,QAAS,CACLC,iBAAkBJ,gBAAgB,SAAU,oBAC5CK,YAAaL,gBAAgB,SAAU,eACvCM,sBAAuBN,gBAAgB,SAAU,2BACjDO,UAAWP,gBAAgB,SAAU,aACrCQ,WAAYR,gBAAgB,SAAU,eACtCS,aAAcT,gBAAgB,SAAU,kBAE5CU,QAAS,CACLC,cAAeX,gBAAgB,SAAU,kBACzCY,gBAAiBZ,gBAAgB,SAAU,4BAC3Ca,cAAeb,gBAAgB,SAAU,kBACzCc,aAAcd,gBAAgB,SAAU,eACxCe,qBAAsBf,gBAAgB,SAAU,0BAChDgB,aAAchB,gBAAgB,SAAU,SACxCiB,sBAAuBjB,gBAAgB,SAAU,2BACjDkB,mBAAoBlB,gBAAgB,SAAU,gBAC9CmB,uBAAwBnB,gBAAgB,SAAU,4BAClDoB,gBAAiBpB,gBAAgB,SAAU,oBAC3CqB,oBAAqBrB,gBAAgB,SAAU,yBAC/CsB,gBAAiBtB,gBAAgB,SAAU,sBAE/CuB,OAAQ,CACJC,yBAA0B"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js b/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js
index 58299bb4141..11d2abedb92 100644
--- a/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js
+++ b/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=user_picker.min.js.map
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\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js.map b/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js.map
index 993ef8cac89..df6bd64b5fd 100644
--- a/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js.map
+++ b/mod/forum/amd/build/local/grades/local/grader/user_picker.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/local/grades/local/grader/user_picker\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Templates from 'core/templates';\nimport Selectors from './user_picker/selectors';\nimport {get_string as getString} from 'core/str';\n\nconst templatePath = 'mod_forum/local/grades/local/grader';\n\nclass UserPicker {\n\n    /**\n     * Constructor for the User Picker.\n     *\n     * @param {Array} userList List of users\n     * @param {Function} showUserCallback The callback used to display the user\n     * @param {Function} preChangeUserCallback The callback to use before changing user\n     */\n    constructor(userList, showUserCallback, preChangeUserCallback) {\n        this.userList = userList;\n        this.showUserCallback = showUserCallback;\n        this.preChangeUserCallback = preChangeUserCallback;\n        this.currentUserIndex = 0;\n\n        // Ensure that render is bound correctly.\n        this.render = this.render.bind(this);\n        this.setUserId = this.setUserId.bind(this);\n    }\n\n    /**\n     * Set the current userid without rendering the change.\n     * To show the user, call showUser too.\n     *\n     * @param {Number} userId\n     */\n    setUserId(userId) {\n        // Determine the current index based on the user ID.\n        const userIndex = this.userList.findIndex(user => {\n            return user.id === parseInt(userId);\n        });\n\n        if (userIndex === -1) {\n            throw Error(`User with id ${userId} not found`);\n        }\n\n        this.currentUserIndex = userIndex;\n    }\n\n    /**\n     * Render the user picker.\n     */\n    async render() {\n        // Create the root node.\n        this.root = document.createElement('div');\n\n        const {html, js} = await this.renderNavigator();\n        Templates.replaceNodeContents(this.root, html, js);\n\n        // Call the showUser function to show the first user immediately.\n        await this.showUser(this.currentUser);\n\n        // Ensure that the event listeners are all bound.\n        this.registerEventListeners();\n    }\n\n    /**\n     * Render the navigator itself.\n     *\n     * @returns {Promise}\n     */\n    renderNavigator() {\n        return Templates.renderForPromise(`${templatePath}/user_picker`, {});\n    }\n\n    /**\n     * Render the current user details for the picker.\n     *\n     * @param {Object} context The data used to render the user picker.\n     * @returns {Promise}\n     */\n    renderUserChange(context) {\n        return Templates.renderForPromise(`${templatePath}/user_picker/user`, context);\n    }\n\n    /**\n     * Show the specified user in the picker.\n     *\n     * @param {Object} user\n     */\n    async showUser(user) {\n        const [{html, js}] = await Promise.all([this.renderUserChange(user), this.showUserCallback(user)]);\n        const userRegion = this.root.querySelector(Selectors.regions.userRegion);\n        Templates.replaceNodeContents(userRegion, html, js);\n\n        // Update the hidden now-grading region so screen readers can announce the user that's currently being graded.\n        const currentUserRegion = this.root.querySelector(Selectors.regions.currentUser);\n        currentUserRegion.textContent = await getString('nowgradinguser', 'mod_forum', user.fullname);\n    }\n\n    /**\n     * Register the event listeners for the user picker.\n     */\n    registerEventListeners() {\n        this.root.addEventListener('click', async(e) => {\n            const button = e.target.closest(Selectors.actions.changeUser);\n\n            if (button) {\n                const result = await this.preChangeUserCallback(this.currentUser);\n\n                if (!result.failed) {\n                    this.updateIndex(parseInt(button.dataset.direction));\n                    await this.showUser(this.currentUser);\n                }\n            }\n        });\n    }\n\n    /**\n     * Update the current user index.\n     *\n     * @param {Number} direction\n     * @returns {Number}}\n     */\n    updateIndex(direction) {\n        this.currentUserIndex += direction;\n\n        // Loop around the edges.\n        if (this.currentUserIndex < 0) {\n            this.currentUserIndex = this.userList.length - 1;\n        } else if (this.currentUserIndex > this.userList.length - 1) {\n            this.currentUserIndex = 0;\n        }\n\n        return this.currentUserIndex;\n    }\n\n    /**\n     * Get the details of the user currently shown with the total number of users, and the 1-indexed count of the\n     * current user.\n     *\n     * @returns {Object}\n     */\n    get currentUser() {\n        return {\n            ...this.userList[this.currentUserIndex],\n            total: this.userList.length,\n            displayIndex: this.currentUserIndex + 1,\n        };\n    }\n\n    /**\n     * Get the root node for the User Picker.\n     *\n     * @returns {HTMLElement}\n     */\n    get rootNode() {\n        return this.root;\n    }\n}\n\n/**\n * Create a new user picker.\n *\n * @param {Array} users The list of users\n * @param {Function} showUserCallback The function to call to show a specific user\n * @param {Function} preChangeUserCallback The fucntion to call to save the grade for the current user\n * @param {Number} [currentUserID] The userid of the current user\n * @returns {UserPicker}\n */\nexport default async(\n    users,\n    showUserCallback,\n    preChangeUserCallback,\n    {\n        initialUserId = null,\n    } = {}\n) => {\n    const userPicker = new UserPicker(users, showUserCallback, preChangeUserCallback);\n    if (initialUserId) {\n        userPicker.setUserId(initialUserId);\n    }\n    await userPicker.render();\n\n    return userPicker;\n};\n"],"file":"user_picker.min.js"}
\ No newline at end of file
+{"version":3,"file":"user_picker.min.js","sources":["../../../../../src/local/grades/local/grader/user_picker.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module will tie together all of the different calls the gradable module will make.\n *\n * @module     mod_forum/local/grades/local/grader/user_picker\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Templates from 'core/templates';\nimport Selectors from './user_picker/selectors';\nimport {get_string as getString} from 'core/str';\n\nconst templatePath = 'mod_forum/local/grades/local/grader';\n\nclass UserPicker {\n\n    /**\n     * Constructor for the User Picker.\n     *\n     * @param {Array} userList List of users\n     * @param {Function} showUserCallback The callback used to display the user\n     * @param {Function} preChangeUserCallback The callback to use before changing user\n     */\n    constructor(userList, showUserCallback, preChangeUserCallback) {\n        this.userList = userList;\n        this.showUserCallback = showUserCallback;\n        this.preChangeUserCallback = preChangeUserCallback;\n        this.currentUserIndex = 0;\n\n        // Ensure that render is bound correctly.\n        this.render = this.render.bind(this);\n        this.setUserId = this.setUserId.bind(this);\n    }\n\n    /**\n     * Set the current userid without rendering the change.\n     * To show the user, call showUser too.\n     *\n     * @param {Number} userId\n     */\n    setUserId(userId) {\n        // Determine the current index based on the user ID.\n        const userIndex = this.userList.findIndex(user => {\n            return user.id === parseInt(userId);\n        });\n\n        if (userIndex === -1) {\n            throw Error(`User with id ${userId} not found`);\n        }\n\n        this.currentUserIndex = userIndex;\n    }\n\n    /**\n     * Render the user picker.\n     */\n    async render() {\n        // Create the root node.\n        this.root = document.createElement('div');\n\n        const {html, js} = await this.renderNavigator();\n        Templates.replaceNodeContents(this.root, html, js);\n\n        // Call the showUser function to show the first user immediately.\n        await this.showUser(this.currentUser);\n\n        // Ensure that the event listeners are all bound.\n        this.registerEventListeners();\n    }\n\n    /**\n     * Render the navigator itself.\n     *\n     * @returns {Promise}\n     */\n    renderNavigator() {\n        return Templates.renderForPromise(`${templatePath}/user_picker`, {});\n    }\n\n    /**\n     * Render the current user details for the picker.\n     *\n     * @param {Object} context The data used to render the user picker.\n     * @returns {Promise}\n     */\n    renderUserChange(context) {\n        return Templates.renderForPromise(`${templatePath}/user_picker/user`, context);\n    }\n\n    /**\n     * Show the specified user in the picker.\n     *\n     * @param {Object} user\n     */\n    async showUser(user) {\n        const [{html, js}] = await Promise.all([this.renderUserChange(user), this.showUserCallback(user)]);\n        const userRegion = this.root.querySelector(Selectors.regions.userRegion);\n        Templates.replaceNodeContents(userRegion, html, js);\n\n        // Update the hidden now-grading region so screen readers can announce the user that's currently being graded.\n        const currentUserRegion = this.root.querySelector(Selectors.regions.currentUser);\n        currentUserRegion.textContent = await getString('nowgradinguser', 'mod_forum', user.fullname);\n    }\n\n    /**\n     * Register the event listeners for the user picker.\n     */\n    registerEventListeners() {\n        this.root.addEventListener('click', async(e) => {\n            const button = e.target.closest(Selectors.actions.changeUser);\n\n            if (button) {\n                const result = await this.preChangeUserCallback(this.currentUser);\n\n                if (!result.failed) {\n                    this.updateIndex(parseInt(button.dataset.direction));\n                    await this.showUser(this.currentUser);\n                }\n            }\n        });\n    }\n\n    /**\n     * Update the current user index.\n     *\n     * @param {Number} direction\n     * @returns {Number}}\n     */\n    updateIndex(direction) {\n        this.currentUserIndex += direction;\n\n        // Loop around the edges.\n        if (this.currentUserIndex < 0) {\n            this.currentUserIndex = this.userList.length - 1;\n        } else if (this.currentUserIndex > this.userList.length - 1) {\n            this.currentUserIndex = 0;\n        }\n\n        return this.currentUserIndex;\n    }\n\n    /**\n     * Get the details of the user currently shown with the total number of users, and the 1-indexed count of the\n     * current user.\n     *\n     * @returns {Object}\n     */\n    get currentUser() {\n        return {\n            ...this.userList[this.currentUserIndex],\n            total: this.userList.length,\n            displayIndex: this.currentUserIndex + 1,\n        };\n    }\n\n    /**\n     * Get the root node for the User Picker.\n     *\n     * @returns {HTMLElement}\n     */\n    get rootNode() {\n        return this.root;\n    }\n}\n\n/**\n * Create a new user picker.\n *\n * @param {Array} users The list of users\n * @param {Function} showUserCallback The function to call to show a specific user\n * @param {Function} preChangeUserCallback The fucntion to call to save the grade for the current user\n * @param {Number} [currentUserID] The userid of the current user\n * @returns {UserPicker}\n */\nexport default async(\n    users,\n    showUserCallback,\n    preChangeUserCallback,\n    {\n        initialUserId = null,\n    } = {}\n) => {\n    const userPicker = new UserPicker(users, showUserCallback, preChangeUserCallback);\n    if (initialUserId) {\n        userPicker.setUserId(initialUserId);\n    }\n    await userPicker.render();\n\n    return userPicker;\n};\n"],"names":["UserPicker","userList","showUserCallback","preChangeUserCallback","currentUserIndex","render","this","bind","setUserId","userId","userIndex","findIndex","user","id","parseInt","Error","root","document","createElement","renderNavigator","html","js","replaceNodeContents","showUser","currentUser","registerEventListeners","Templates","renderForPromise","context","Promise","all","renderUserChange","userRegion","querySelector","Selectors","regions","currentUserRegion","fullname","textContent","addEventListener","e","button","target","closest","actions","changeUser","_this","failed","updateIndex","dataset","direction","length","total","displayIndex","users","initialUserId","userPicker"],"mappings":"mxGA8BMA,0CASUC,SAAUC,iBAAkBC,6KAC/BF,SAAWA,cACXC,iBAAmBA,sBACnBC,sBAAwBA,2BACxBC,iBAAmB,OAGnBC,OAASC,KAAKD,OAAOE,KAAKD,WAC1BE,UAAYF,KAAKE,UAAUD,KAAKD,gIASzC,SAAUG,YAEAC,UAAYJ,KAAKL,SAASU,WAAU,SAAAC,aAC/BA,KAAKC,KAAOC,SAASL,eAGb,IAAfC,gBACMK,6BAAsBN,2BAG3BL,iBAAmBM,oFAM5B,sKAESM,KAAOC,SAASC,cAAc,uBAEVZ,KAAKa,oEAAvBC,2BAAAA,KAAMC,yBAAAA,sBACHC,oBAAoBhB,KAAKU,KAAMI,KAAMC,oBAGzCf,KAAKiB,SAASjB,KAAKkB,yBAGpBC,uKAQT,kBACWC,mBAAUC,2BAhEJ,sDAgEoD,oCASrE,SAAiBC,gBACNF,mBAAUC,2BA1EJ,2DA0EyDC,uFAQ1E,kBAAehB,2OACgBiB,QAAQC,IAAI,CAACxB,KAAKyB,iBAAiBnB,MAAON,KAAKJ,iBAAiBU,6JAAnFQ,0BAAAA,KAAMC,wBAAAA,GACRW,WAAa1B,KAAKU,KAAKiB,cAAcC,mBAAUC,QAAQH,+BACnDV,oBAAoBU,WAAYZ,KAAMC,IAG1Ce,kBAAoB9B,KAAKU,KAAKiB,cAAcC,mBAAUC,QAAQX,gCAC9B,mBAAU,iBAAkB,YAAaZ,KAAKyB,kBAApFD,kBAAkBE,sLAMtB,oCACStB,KAAKuB,iBAAiB,yDAAS,kBAAMC,2HAChCC,OAASD,EAAEE,OAAOC,QAAQT,mBAAUU,QAAQC,6DAGzBC,MAAK3C,sBAAsB2C,MAAKtB,sCAEzCuB,sCACRD,MAAKE,YAAYlC,SAAS2B,OAAOQ,QAAQC,6BACnCJ,MAAKvB,SAASuB,MAAKtB,qJAYzC,SAAY0B,uBACH9C,kBAAoB8C,UAGrB5C,KAAKF,iBAAmB,OACnBA,iBAAmBE,KAAKL,SAASkD,OAAS,EACxC7C,KAAKF,iBAAmBE,KAAKL,SAASkD,OAAS,SACjD/C,iBAAmB,GAGrBE,KAAKF,0CAShB,iDAEWE,KAAKL,SAASK,KAAKF,uBACtBgD,MAAO9C,KAAKL,SAASkD,OACrBE,aAAc/C,KAAKF,iBAAmB,0BAS9C,kBACWE,KAAKU,sQAaL,kBACXsC,MACApD,iBACAC,kQAGI,6BADAoD,cAAAA,2CAAgB,yBAGdC,WAAa,IAAIxD,WAAWsD,MAAOpD,iBAAkBC,uBACvDoD,eACAC,WAAWhD,UAAU+C,gCAEnBC,WAAWnD,iDAEVmD"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/local/grader/user_picker/selectors.min.js b/mod/forum/amd/build/local/grades/local/grader/user_picker/selectors.min.js
index df7e5337a90..765e1e005a5 100644
--- a/mod/forum/amd/build/local/grades/local/grader/user_picker/selectors.min.js
+++ b/mod/forum/amd/build/local/grades/local/grader/user_picker/selectors.min.js
@@ -1,2 +1,3 @@
-define ("mod_forum/local/grades/local/grader/user_picker/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;a.default={regions:{currentUser:"[data-region=\"user_picker/current_user\"]",userRegion:"[data-region=\"user_picker/user\"]"},actions:{changeUser:"[data-action=\"change-user\"]"}};return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("mod_forum/local/grades/local/grader/user_picker/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;return _exports.default={regions:{currentUser:'[data-region="user_picker/current_user"]',userRegion:'[data-region="user_picker/user"]'},actions:{changeUser:'[data-action="change-user"]'}},_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/grades/local/grader/user_picker/selectors.min.js.map b/mod/forum/amd/build/local/grades/local/grader/user_picker/selectors.min.js.map
index da9f5c8bccc..95385b4d969 100644
--- a/mod/forum/amd/build/local/grades/local/grader/user_picker/selectors.min.js.map
+++ b/mod/forum/amd/build/local/grades/local/grader/user_picker/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../../../src/local/grades/local/grader/user_picker/selectors.js"],"names":["regions","currentUser","userRegion","actions","changeUser"],"mappings":"qLAwBe,CACXA,OAAO,CAAE,CACLC,WAAW,CAAE,4CADR,CAELC,UAAU,CAAE,oCAFP,CADE,CAKXC,OAAO,CAAE,CACLC,UAAU,CAAE,+BADP,CALE,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the grading interface.\n *\n * @module     mod_forum/local/grades/local/grader/user_picker/selectors\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nexport default {\n    regions: {\n        currentUser: '[data-region=\"user_picker/current_user\"]',\n        userRegion: '[data-region=\"user_picker/user\"]',\n    },\n    actions: {\n        changeUser: '[data-action=\"change-user\"]',\n    }\n};\n\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../../../../../../src/local/grades/local/grader/user_picker/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Define all of the selectors we will be using on the grading interface.\n *\n * @module     mod_forum/local/grades/local/grader/user_picker/selectors\n * @package    mod_forum\n * @copyright  2019 Mathew May <mathew.solutions>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nexport default {\n    regions: {\n        currentUser: '[data-region=\"user_picker/current_user\"]',\n        userRegion: '[data-region=\"user_picker/user\"]',\n    },\n    actions: {\n        changeUser: '[data-action=\"change-user\"]',\n    }\n};\n\n"],"names":["regions","currentUser","userRegion","actions","changeUser"],"mappings":"2MAwBe,CACXA,QAAS,CACLC,YAAa,2CACbC,WAAY,oCAEhBC,QAAS,CACLC,WAAY"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/layout/fullscreen.min.js b/mod/forum/amd/build/local/layout/fullscreen.min.js
index 211423fb409..c8dcca90bdf 100644
--- a/mod/forum/amd/build/local/layout/fullscreen.min.js
+++ b/mod/forum/amd/build/local/layout/fullscreen.min.js
@@ -1,2 +1,9 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("mod_forum/local/layout/fullscreen",["exports","core/loadingicon","core/toast","core/local/aria/focuslock"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.createLayout=void 0;d=f(d);function e(a){if("function"!=typeof WeakMap)return null;var b=new WeakMap,c=new WeakMap;return(e=function(a){return a?c:b})(a)}function f(a,b){if(!b&&a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var c=e(b);if(c&&c.has(a)){return c.get(a)}var d={},f=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var g in a){if("default"!=g&&Object.prototype.hasOwnProperty.call(a,g)){var h=f?Object.getOwnPropertyDescriptor(a,g):null;if(h&&(h.get||h.set)){Object.defineProperty(d,g,h)}else{d[g]=a[g]}}}d.default=a;if(c){c.set(a,d)}return d}var g=function(){var a=0<arguments.length&&arguments[0]!==void 0?arguments[0]:{},b=a.fullscreen,e=void 0===b?!0:b,f=a.showLoader,g=void 0===f?!1:f,j=a.focusOnClose,k=void 0===j?null:j,l=document.createElement("div");document.body.append(l);l.classList.add("layout");l.classList.add("fullscreen");l.setAttribute("role","application");(0,c.addToastRegion)(l);i();d.trapFocus(l);var m=h(l,d,k);if(g){m.showLoadingIcon()}if(e){m.requestFullscreen()}return m},h=function(a,c,d){var e=document.createElement("div");a.append(e);var f=document.createElement("div");a.append(f);var g=function(){if(a.requestFullscreen){a.requestFullscreen()}else if(a.msRequestFullscreen){a.msRequestFullscreen()}else if(a.mozRequestFullscreen){a.mozRequestFullscreen()}else if(a.webkitRequestFullscreen){a.webkitRequestFullscreen()}else{a.setTop(0)}},h=function(){if(document.exitRequestFullScreen){if(document.fullScreenElement!==a){return}document.exitRequestFullScreen()}else if(document.msExitFullscreen){if(document.msFullscreenElement!==a){return}document.msExitFullscreen()}else if(document.mozCancelFullScreen){if(document.mozFullScreenElement!==a){return}document.mozCancelFullScreen()}else if(document.webkitExitFullscreen){if(document.webkitFullscreenElement!==a){return}document.webkitExitFullscreen()}},i=function(){var a=f.lastElementChild;while(a){f.removeChild(a);a=f.lastElementChild}};return{close:function close(){h();j();c.untrapFocus();a.remove();if(d){try{d.focus()}catch(a){}}},toggleFullscreen:function toggleFullscreen(){if(document.exitRequestFullScreen){if(document.fullScreenElement===a){h()}else{g()}}else if(document.msExitFullscreen){if(document.msFullscreenElement===a){h()}else{g()}}else if(document.mozCancelFullScreen){if(document.mozFullScreenElement===a){h()}else{g()}}else if(document.webkitExitFullscreen){if(document.webkitFullscreenElement===a){h()}else{g()}}},requestFullscreen:g,exitFullscreen:h,getContainer:function getContainer(){return e},setContent:function setContent(a){i();var b=e.lastElementChild;while(b){e.removeChild(b);b=e.lastElementChild}e.append(a)},showLoadingIcon:function showLoadingIcon(){(0,b.addIconToContainer)(f)},hideLoadingIcon:i}},i=function(){document.querySelector("body").classList.add("overflow-hidden")},j=function(){document.querySelector("body").classList.remove("overflow-hidden")};a.createLayout=g});
-//# sourceMappingURL=fullscreen.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("mod_forum/local/layout/fullscreen",["exports","core/loadingicon","core/toast","core/local/aria/focuslock"],(function(_exports,_loadingicon,_toast,FocusLockManager){function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.createLayout=void 0,FocusLockManager=function(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!==_typeof(obj)&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}newObj.default=obj,cache&&cache.set(obj,newObj);return newObj}
+/**
+   * Full screen window layout.
+   *
+   * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */(FocusLockManager);var getLayoutHelpers=function(layoutNode,FocusLockManager,focusOnClose){var contentNode=document.createElement("div");layoutNode.append(contentNode);var loadingNode=document.createElement("div");layoutNode.append(loadingNode);var requestFullscreen=function(){layoutNode.requestFullscreen?layoutNode.requestFullscreen():layoutNode.msRequestFullscreen?layoutNode.msRequestFullscreen():layoutNode.mozRequestFullscreen?layoutNode.mozRequestFullscreen():layoutNode.webkitRequestFullscreen?layoutNode.webkitRequestFullscreen():layoutNode.setTop(0)},exitFullscreen=function(){if(document.exitRequestFullScreen){if(document.fullScreenElement!==layoutNode)return;document.exitRequestFullScreen()}else if(document.msExitFullscreen){if(document.msFullscreenElement!==layoutNode)return;document.msExitFullscreen()}else if(document.mozCancelFullScreen){if(document.mozFullScreenElement!==layoutNode)return;document.mozCancelFullScreen()}else if(document.webkitExitFullscreen){if(document.webkitFullscreenElement!==layoutNode)return;document.webkitExitFullscreen()}},hideLoadingIcon=function(){for(var child=loadingNode.lastElementChild;child;)loadingNode.removeChild(child),child=loadingNode.lastElementChild};return{close:function(){if(exitFullscreen(),unlockBodyScroll(),FocusLockManager.untrapFocus(),layoutNode.remove(),focusOnClose)try{focusOnClose.focus()}catch(e){}},toggleFullscreen:function(){document.exitRequestFullScreen?document.fullScreenElement===layoutNode?exitFullscreen():requestFullscreen():document.msExitFullscreen?document.msFullscreenElement===layoutNode?exitFullscreen():requestFullscreen():document.mozCancelFullScreen?document.mozFullScreenElement===layoutNode?exitFullscreen():requestFullscreen():document.webkitExitFullscreen&&(document.webkitFullscreenElement===layoutNode?exitFullscreen():requestFullscreen())},requestFullscreen:requestFullscreen,exitFullscreen:exitFullscreen,getContainer:function(){return contentNode},setContent:function(content){hideLoadingIcon();for(var child=contentNode.lastElementChild;child;)contentNode.removeChild(child),child=contentNode.lastElementChild;contentNode.append(content)},showLoadingIcon:function(){(0,_loadingicon.addIconToContainer)(loadingNode)},hideLoadingIcon:hideLoadingIcon}},lockBodyScroll=function(){document.querySelector("body").classList.add("overflow-hidden")},unlockBodyScroll=function(){document.querySelector("body").classList.remove("overflow-hidden")},createLayout=function(){var _ref=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{},_ref$fullscreen=_ref.fullscreen,fullscreen=void 0===_ref$fullscreen||_ref$fullscreen,_ref$showLoader=_ref.showLoader,showLoader=void 0!==_ref$showLoader&&_ref$showLoader,_ref$focusOnClose=_ref.focusOnClose,focusOnClose=void 0===_ref$focusOnClose?null:_ref$focusOnClose,container=document.createElement("div");document.body.append(container),container.classList.add("layout"),container.classList.add("fullscreen"),container.setAttribute("role","application"),(0,_toast.addToastRegion)(container),lockBodyScroll(),FocusLockManager.trapFocus(container);var helpers=getLayoutHelpers(container,FocusLockManager,focusOnClose);return showLoader&&helpers.showLoadingIcon(),fullscreen&&helpers.requestFullscreen(),helpers};_exports.createLayout=createLayout}));
+
+//# sourceMappingURL=fullscreen.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/layout/fullscreen.min.js.map b/mod/forum/amd/build/local/layout/fullscreen.min.js.map
index cc0479b726c..d3ac8d3530c 100644
--- a/mod/forum/amd/build/local/layout/fullscreen.min.js.map
+++ b/mod/forum/amd/build/local/layout/fullscreen.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Full screen window layout.\n *\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {addIconToContainer} from 'core/loadingicon';\nimport {addToastRegion} from 'core/toast';\nimport * as FocusLockManager from 'core/local/aria/focuslock';\n\n/**\n * @param {string} templateName\n * @param {object} context\n * @return {object}\n */\nconst getComposedLayout = ({\n    fullscreen = true,\n    showLoader = false,\n    focusOnClose = null,\n} = {}) => {\n    const container = document.createElement('div');\n    document.body.append(container);\n    container.classList.add('layout');\n    container.classList.add('fullscreen');\n    container.setAttribute('role', 'application');\n    addToastRegion(container);\n\n    // Lock scrolling on the document body.\n    lockBodyScroll();\n\n    // Lock tab control.\n    FocusLockManager.trapFocus(container);\n\n    const helpers = getLayoutHelpers(container, FocusLockManager, focusOnClose);\n\n    if (showLoader) {\n        helpers.showLoadingIcon();\n    }\n\n    if (fullscreen) {\n        helpers.requestFullscreen();\n    }\n\n    return helpers;\n};\n\nconst getLayoutHelpers = (layoutNode, FocusLockManager, focusOnClose) => {\n    const contentNode = document.createElement('div');\n    layoutNode.append(contentNode);\n\n    const loadingNode = document.createElement('div');\n    layoutNode.append(loadingNode);\n\n    /**\n     * Close and destroy the window container.\n     */\n    const close = () => {\n        exitFullscreen();\n        unlockBodyScroll();\n        FocusLockManager.untrapFocus();\n\n        layoutNode.remove();\n\n        if (focusOnClose) {\n            try {\n                focusOnClose.focus();\n            } catch (e) {\n                // eslint-disable-line\n            }\n        }\n    };\n\n    /**\n     * Attempt to make the conatiner full screen.\n     */\n    const requestFullscreen = () => {\n        if (layoutNode.requestFullscreen) {\n            layoutNode.requestFullscreen();\n        } else if (layoutNode.msRequestFullscreen) {\n            layoutNode.msRequestFullscreen();\n        } else if (layoutNode.mozRequestFullscreen) {\n            layoutNode.mozRequestFullscreen();\n        } else if (layoutNode.webkitRequestFullscreen) {\n            layoutNode.webkitRequestFullscreen();\n        } else {\n            // Not supported.\n            // Hack to make this act like full-screen as much as possible.\n            layoutNode.setTop(0);\n        }\n    };\n\n    /**\n     * Exit full screen but do not close the container fully.\n     */\n    const exitFullscreen = () => {\n        if (document.exitRequestFullScreen) {\n            if (document.fullScreenElement !== layoutNode) {\n                return;\n            }\n            document.exitRequestFullScreen();\n        } else if (document.msExitFullscreen) {\n            if (document.msFullscreenElement !== layoutNode) {\n                return;\n            }\n            document.msExitFullscreen();\n        } else if (document.mozCancelFullScreen) {\n            if (document.mozFullScreenElement !== layoutNode) {\n                return;\n            }\n            document.mozCancelFullScreen();\n        } else if (document.webkitExitFullscreen) {\n            if (document.webkitFullscreenElement !== layoutNode) {\n                return;\n            }\n            document.webkitExitFullscreen();\n        }\n    };\n\n    const toggleFullscreen = () => {\n        if (document.exitRequestFullScreen) {\n            if (document.fullScreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.msExitFullscreen) {\n            if (document.msFullscreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.mozCancelFullScreen) {\n            if (document.mozFullScreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.webkitExitFullscreen) {\n            if (document.webkitFullscreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        }\n    };\n\n    /**\n     * Get the Node which is fullscreen.\n     *\n     * @return {Element}\n     */\n    const getContainer = () => {\n        return contentNode;\n    };\n\n    const setContent = (content) => {\n        hideLoadingIcon();\n\n        // Note: It would be better to use replaceWith, but this is not compatible with IE.\n        let child = contentNode.lastElementChild;\n        while (child) {\n            contentNode.removeChild(child);\n            child = contentNode.lastElementChild;\n        }\n        contentNode.append(content);\n    };\n\n    const showLoadingIcon = () => {\n        addIconToContainer(loadingNode);\n    };\n\n    const hideLoadingIcon = () => {\n        // Hide the loading container.\n        let child = loadingNode.lastElementChild;\n        while (child) {\n            loadingNode.removeChild(child);\n            child = loadingNode.lastElementChild;\n        }\n    };\n\n    /**\n     * @return {Object}\n     */\n    return {\n        close,\n\n        toggleFullscreen,\n        requestFullscreen,\n        exitFullscreen,\n\n        getContainer,\n        setContent,\n\n        showLoadingIcon,\n        hideLoadingIcon,\n    };\n};\n\nconst lockBodyScroll = () => {\n    document.querySelector('body').classList.add('overflow-hidden');\n};\n\nconst unlockBodyScroll = () => {\n    document.querySelector('body').classList.remove('overflow-hidden');\n};\n\nexport const createLayout = getComposedLayout;\n"],"file":"fullscreen.min.js"}
\ No newline at end of file
+{"version":3,"file":"fullscreen.min.js","sources":["../../../src/local/layout/fullscreen.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Full screen window layout.\n *\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {addIconToContainer} from 'core/loadingicon';\nimport {addToastRegion} from 'core/toast';\nimport * as FocusLockManager from 'core/local/aria/focuslock';\n\n/**\n * @param {string} templateName\n * @param {object} context\n * @return {object}\n */\nconst getComposedLayout = ({\n    fullscreen = true,\n    showLoader = false,\n    focusOnClose = null,\n} = {}) => {\n    const container = document.createElement('div');\n    document.body.append(container);\n    container.classList.add('layout');\n    container.classList.add('fullscreen');\n    container.setAttribute('role', 'application');\n    addToastRegion(container);\n\n    // Lock scrolling on the document body.\n    lockBodyScroll();\n\n    // Lock tab control.\n    FocusLockManager.trapFocus(container);\n\n    const helpers = getLayoutHelpers(container, FocusLockManager, focusOnClose);\n\n    if (showLoader) {\n        helpers.showLoadingIcon();\n    }\n\n    if (fullscreen) {\n        helpers.requestFullscreen();\n    }\n\n    return helpers;\n};\n\nconst getLayoutHelpers = (layoutNode, FocusLockManager, focusOnClose) => {\n    const contentNode = document.createElement('div');\n    layoutNode.append(contentNode);\n\n    const loadingNode = document.createElement('div');\n    layoutNode.append(loadingNode);\n\n    /**\n     * Close and destroy the window container.\n     */\n    const close = () => {\n        exitFullscreen();\n        unlockBodyScroll();\n        FocusLockManager.untrapFocus();\n\n        layoutNode.remove();\n\n        if (focusOnClose) {\n            try {\n                focusOnClose.focus();\n            } catch (e) {\n                // eslint-disable-line\n            }\n        }\n    };\n\n    /**\n     * Attempt to make the conatiner full screen.\n     */\n    const requestFullscreen = () => {\n        if (layoutNode.requestFullscreen) {\n            layoutNode.requestFullscreen();\n        } else if (layoutNode.msRequestFullscreen) {\n            layoutNode.msRequestFullscreen();\n        } else if (layoutNode.mozRequestFullscreen) {\n            layoutNode.mozRequestFullscreen();\n        } else if (layoutNode.webkitRequestFullscreen) {\n            layoutNode.webkitRequestFullscreen();\n        } else {\n            // Not supported.\n            // Hack to make this act like full-screen as much as possible.\n            layoutNode.setTop(0);\n        }\n    };\n\n    /**\n     * Exit full screen but do not close the container fully.\n     */\n    const exitFullscreen = () => {\n        if (document.exitRequestFullScreen) {\n            if (document.fullScreenElement !== layoutNode) {\n                return;\n            }\n            document.exitRequestFullScreen();\n        } else if (document.msExitFullscreen) {\n            if (document.msFullscreenElement !== layoutNode) {\n                return;\n            }\n            document.msExitFullscreen();\n        } else if (document.mozCancelFullScreen) {\n            if (document.mozFullScreenElement !== layoutNode) {\n                return;\n            }\n            document.mozCancelFullScreen();\n        } else if (document.webkitExitFullscreen) {\n            if (document.webkitFullscreenElement !== layoutNode) {\n                return;\n            }\n            document.webkitExitFullscreen();\n        }\n    };\n\n    const toggleFullscreen = () => {\n        if (document.exitRequestFullScreen) {\n            if (document.fullScreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.msExitFullscreen) {\n            if (document.msFullscreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.mozCancelFullScreen) {\n            if (document.mozFullScreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        } else if (document.webkitExitFullscreen) {\n            if (document.webkitFullscreenElement === layoutNode) {\n                exitFullscreen();\n            } else {\n                requestFullscreen();\n            }\n        }\n    };\n\n    /**\n     * Get the Node which is fullscreen.\n     *\n     * @return {Element}\n     */\n    const getContainer = () => {\n        return contentNode;\n    };\n\n    const setContent = (content) => {\n        hideLoadingIcon();\n\n        // Note: It would be better to use replaceWith, but this is not compatible with IE.\n        let child = contentNode.lastElementChild;\n        while (child) {\n            contentNode.removeChild(child);\n            child = contentNode.lastElementChild;\n        }\n        contentNode.append(content);\n    };\n\n    const showLoadingIcon = () => {\n        addIconToContainer(loadingNode);\n    };\n\n    const hideLoadingIcon = () => {\n        // Hide the loading container.\n        let child = loadingNode.lastElementChild;\n        while (child) {\n            loadingNode.removeChild(child);\n            child = loadingNode.lastElementChild;\n        }\n    };\n\n    /**\n     * @return {Object}\n     */\n    return {\n        close,\n\n        toggleFullscreen,\n        requestFullscreen,\n        exitFullscreen,\n\n        getContainer,\n        setContent,\n\n        showLoadingIcon,\n        hideLoadingIcon,\n    };\n};\n\nconst lockBodyScroll = () => {\n    document.querySelector('body').classList.add('overflow-hidden');\n};\n\nconst unlockBodyScroll = () => {\n    document.querySelector('body').classList.remove('overflow-hidden');\n};\n\nexport const createLayout = getComposedLayout;\n"],"names":["getLayoutHelpers","layoutNode","FocusLockManager","focusOnClose","contentNode","document","createElement","append","loadingNode","requestFullscreen","msRequestFullscreen","mozRequestFullscreen","webkitRequestFullscreen","setTop","exitFullscreen","exitRequestFullScreen","fullScreenElement","msExitFullscreen","msFullscreenElement","mozCancelFullScreen","mozFullScreenElement","webkitExitFullscreen","webkitFullscreenElement","hideLoadingIcon","child","lastElementChild","removeChild","close","unlockBodyScroll","untrapFocus","remove","focus","e","toggleFullscreen","getContainer","setContent","content","showLoadingIcon","lockBodyScroll","querySelector","classList","add","createLayout","fullscreen","showLoader","container","body","setAttribute","trapFocus","helpers"],"mappings":";;;;;;4BA8DMA,iBAAmB,SAACC,WAAYC,iBAAkBC,kBAC9CC,YAAcC,SAASC,cAAc,OAC3CL,WAAWM,OAAOH,iBAEZI,YAAcH,SAASC,cAAc,OAC3CL,WAAWM,OAAOC,iBAwBZC,kBAAoB,WAClBR,WAAWQ,kBACXR,WAAWQ,oBACJR,WAAWS,oBAClBT,WAAWS,sBACJT,WAAWU,qBAClBV,WAAWU,uBACJV,WAAWW,wBAClBX,WAAWW,0BAIXX,WAAWY,OAAO,IAOpBC,eAAiB,cACfT,SAASU,sBAAuB,IAC5BV,SAASW,oBAAsBf,kBAGnCI,SAASU,6BACN,GAAIV,SAASY,iBAAkB,IAC9BZ,SAASa,sBAAwBjB,kBAGrCI,SAASY,wBACN,GAAIZ,SAASc,oBAAqB,IACjCd,SAASe,uBAAyBnB,kBAGtCI,SAASc,2BACN,GAAId,SAASgB,qBAAsB,IAClChB,SAASiB,0BAA4BrB,kBAGzCI,SAASgB,yBAyDXE,gBAAkB,mBAEhBC,MAAQhB,YAAYiB,iBACjBD,OACHhB,YAAYkB,YAAYF,OACxBA,MAAQhB,YAAYiB,wBAOrB,CACHE,MAhIU,cACVb,iBACAc,mBACA1B,iBAAiB2B,cAEjB5B,WAAW6B,SAEP3B,iBAEIA,aAAa4B,QACf,MAAOC,MAwHbC,iBApEqB,WACjB5B,SAASU,sBACLV,SAASW,oBAAsBf,WAC/Ba,iBAEAL,oBAEGJ,SAASY,iBACZZ,SAASa,sBAAwBjB,WACjCa,iBAEAL,oBAEGJ,SAASc,oBACZd,SAASe,uBAAyBnB,WAClCa,iBAEAL,oBAEGJ,SAASgB,uBACZhB,SAASiB,0BAA4BrB,WACrCa,iBAEAL,sBA8CRA,kBAAAA,kBACAK,eAAAA,eAEAoB,aAvCiB,kBACV9B,aAuCP+B,WApCe,SAACC,SAChBb,0BAGIC,MAAQpB,YAAYqB,iBACjBD,OACHpB,YAAYsB,YAAYF,OACxBA,MAAQpB,YAAYqB,iBAExBrB,YAAYG,OAAO6B,UA6BnBC,gBA1BoB,+CACD7B,cA0BnBe,gBAAAA,kBAIFe,eAAiB,WACnBjC,SAASkC,cAAc,QAAQC,UAAUC,IAAI,oBAG3Cb,iBAAmB,WACrBvB,SAASkC,cAAc,QAAQC,UAAUV,OAAO,oBAGvCY,aA/La,2EAItB,wBAHAC,WAAAA,0EACAC,WAAAA,4EACAzC,aAAAA,wCAAe,uBAET0C,UAAYxC,SAASC,cAAc,OACzCD,SAASyC,KAAKvC,OAAOsC,WACrBA,UAAUL,UAAUC,IAAI,UACxBI,UAAUL,UAAUC,IAAI,cACxBI,UAAUE,aAAa,OAAQ,yCAChBF,WAGfP,iBAGApC,iBAAiB8C,UAAUH,eAErBI,QAAUjD,iBAAiB6C,UAAW3C,iBAAkBC,qBAE1DyC,YACAK,QAAQZ,kBAGRM,YACAM,QAAQxC,oBAGLwC"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/layouts.min.js b/mod/forum/amd/build/local/layouts.min.js
index 0b553e4f36a..2bbdddad914 100644
--- a/mod/forum/amd/build/local/layouts.min.js
+++ b/mod/forum/amd/build/local/layouts.min.js
@@ -1,2 +1,3 @@
-define ("mod_forum/local/layouts",["exports","./layout/fullscreen"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"createFullScreenWindow",{enumerable:!0,get:function get(){return b.createLayout}})});
-//# sourceMappingURL=layouts.min.js.map
+define("mod_forum/local/layouts",["exports","./layout/fullscreen"],(function(_exports,_fullscreen){Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"createFullScreenWindow",{enumerable:!0,get:function(){return _fullscreen.createLayout}})}));
+
+//# sourceMappingURL=layouts.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/local/layouts.min.js.map b/mod/forum/amd/build/local/layouts.min.js.map
index 89fd7f147d1..7140f3758be 100644
--- a/mod/forum/amd/build/local/layouts.min.js.map
+++ b/mod/forum/amd/build/local/layouts.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":[],"names":[],"mappings":"","sourcesContent":[],"file":"layouts.min.js"}
\ No newline at end of file
+{"version":3,"file":"layouts.min.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}
\ No newline at end of file
diff --git a/mod/forum/amd/build/lock_toggle.min.js b/mod/forum/amd/build/lock_toggle.min.js
index 6de377b8c2f..fdb792efdcf 100644
--- a/mod/forum/amd/build/lock_toggle.min.js
+++ b/mod/forum/amd/build/lock_toggle.min.js
@@ -1,2 +1,11 @@
-define ("mod_forum/lock_toggle",["jquery","core/templates","core/notification","mod_forum/repository","mod_forum/selectors"],function(a,b,c,d,e){return{init:function registerEventListeners(b,f){b.on("click",e.lock.toggle,function(b){var e=a(this),g=e.data("forumid"),h=e.data("discussionid"),i=e.data("state");d.setDiscussionLockState(g,h,i).then(function(){return location.reload()}).catch(c.exception);if(f){b.preventDefault()}})}}});
-//# sourceMappingURL=lock_toggle.min.js.map
+/**
+ * Handle the manual locking of individual discussions
+ *
+ * @module     mod_forum/lock_toggle
+ * @package    mod_forum
+ * @copyright  2019 Peter Dias <peter@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/lock_toggle",["jquery","core/templates","core/notification","mod_forum/repository","mod_forum/selectors"],(function($,Templates,Notification,Repository,Selectors){return{init:function(root,preventDefault){root.on("click",Selectors.lock.toggle,(function(e){var toggleElement=$(this),forumId=toggleElement.data("forumid"),discussionId=toggleElement.data("discussionid"),state=toggleElement.data("state");Repository.setDiscussionLockState(forumId,discussionId,state).then((function(){return location.reload()})).catch(Notification.exception),preventDefault&&e.preventDefault()}))}}}));
+
+//# sourceMappingURL=lock_toggle.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/lock_toggle.min.js.map b/mod/forum/amd/build/lock_toggle.min.js.map
index 11db2010aba..6619500357b 100644
--- a/mod/forum/amd/build/lock_toggle.min.js.map
+++ b/mod/forum/amd/build/lock_toggle.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/lock_toggle.js"],"names":["define","$","Templates","Notification","Repository","Selectors","init","registerEventListeners","root","preventDefault","on","lock","toggle","e","toggleElement","forumId","data","discussionId","state","setDiscussionLockState","then","location","reload","catch","exception"],"mappings":"AAuBAA,OAAM,yBAAC,CACC,QADD,CAEC,gBAFD,CAGC,mBAHD,CAIC,sBAJD,CAKC,qBALD,CAAD,CAMC,SACCC,CADD,CAECC,CAFD,CAGCC,CAHD,CAICC,CAJD,CAKCC,CALD,CAMD,CA2BF,MAAO,CACHC,IAAI,CApBqB,QAAzBC,CAAAA,sBAAyB,CAASC,CAAT,CAAeC,CAAf,CAA+B,CACxDD,CAAI,CAACE,EAAL,CAAQ,OAAR,CAAiBL,CAAS,CAACM,IAAV,CAAeC,MAAhC,CAAwC,SAASC,CAAT,CAAY,IAC5CC,CAAAA,CAAa,CAAGb,CAAC,CAAC,IAAD,CAD2B,CAE5Cc,CAAO,CAAGD,CAAa,CAACE,IAAd,CAAmB,SAAnB,CAFkC,CAG5CC,CAAY,CAAGH,CAAa,CAACE,IAAd,CAAmB,cAAnB,CAH6B,CAI5CE,CAAK,CAAGJ,CAAa,CAACE,IAAd,CAAmB,OAAnB,CAJoC,CAMhDZ,CAAU,CAACe,sBAAX,CAAkCJ,CAAlC,CAA2CE,CAA3C,CAAyDC,CAAzD,EACKE,IADL,CACU,UAAW,CACb,MAAOC,CAAAA,QAAQ,CAACC,MAAT,EACV,CAHL,EAIKC,KAJL,CAIWpB,CAAY,CAACqB,SAJxB,EAMA,GAAIf,CAAJ,CAAoB,CAChBI,CAAC,CAACJ,cAAF,EACH,CACJ,CAfD,CAgBH,CAEM,CAGV,CA1CK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle the manual locking of individual discussions\n *\n * @module     mod_forum/lock_toggle\n * @package    mod_forum\n * @copyright  2019 Peter Dias <peter@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'mod_forum/repository',\n        'mod_forum/selectors',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Repository,\n        Selectors\n    ) {\n\n    /**\n     * Register event listeners for the subscription toggle.\n     *\n     * @param {object} root The discussion list root element\n     * @param {boolean} preventDefault Should the default action of the event be prevented\n     */\n    var registerEventListeners = function(root, preventDefault) {\n        root.on('click', Selectors.lock.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var state = toggleElement.data('state');\n\n            Repository.setDiscussionLockState(forumId, discussionId, state)\n                .then(function() {\n                    return location.reload();\n                })\n                .catch(Notification.exception);\n\n            if (preventDefault) {\n                e.preventDefault();\n            }\n        });\n    };\n\n    return {\n        init: registerEventListeners\n    };\n});\n"],"file":"lock_toggle.min.js"}
\ No newline at end of file
+{"version":3,"file":"lock_toggle.min.js","sources":["../src/lock_toggle.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle the manual locking of individual discussions\n *\n * @module     mod_forum/lock_toggle\n * @package    mod_forum\n * @copyright  2019 Peter Dias <peter@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'mod_forum/repository',\n        'mod_forum/selectors',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Repository,\n        Selectors\n    ) {\n\n    /**\n     * Register event listeners for the subscription toggle.\n     *\n     * @param {object} root The discussion list root element\n     * @param {boolean} preventDefault Should the default action of the event be prevented\n     */\n    var registerEventListeners = function(root, preventDefault) {\n        root.on('click', Selectors.lock.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var state = toggleElement.data('state');\n\n            Repository.setDiscussionLockState(forumId, discussionId, state)\n                .then(function() {\n                    return location.reload();\n                })\n                .catch(Notification.exception);\n\n            if (preventDefault) {\n                e.preventDefault();\n            }\n        });\n    };\n\n    return {\n        init: registerEventListeners\n    };\n});\n"],"names":["define","$","Templates","Notification","Repository","Selectors","init","root","preventDefault","on","lock","toggle","e","toggleElement","this","forumId","data","discussionId","state","setDiscussionLockState","then","location","reload","catch","exception"],"mappings":";;;;;;;;AAuBAA,+BAAO,CACC,SACA,iBACA,oBACA,uBACA,wBACD,SACCC,EACAC,UACAC,aACAC,WACAC,iBA4BG,CACHC,KApByB,SAASC,KAAMC,gBACxCD,KAAKE,GAAG,QAASJ,UAAUK,KAAKC,QAAQ,SAASC,OACzCC,cAAgBZ,EAAEa,MAClBC,QAAUF,cAAcG,KAAK,WAC7BC,aAAeJ,cAAcG,KAAK,gBAClCE,MAAQL,cAAcG,KAAK,SAE/BZ,WAAWe,uBAAuBJ,QAASE,aAAcC,OACpDE,MAAK,kBACKC,SAASC,YAEnBC,MAAMpB,aAAaqB,WAEpBhB,gBACAI,EAAEJ"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/pin_toggle.min.js b/mod/forum/amd/build/pin_toggle.min.js
index e81bc8462f9..2d058041bd3 100644
--- a/mod/forum/amd/build/pin_toggle.min.js
+++ b/mod/forum/amd/build/pin_toggle.min.js
@@ -1,2 +1,15 @@
-define ("mod_forum/pin_toggle",["jquery","core/ajax","core/str","core/templates","core/notification","mod_forum/repository","mod_forum/selectors","core/str"],function(a,b,c,d,f,g,h,i){return{init:function registerEventListeners(b,c,d){b.on("click",h.pin.toggle,function(b){var e=a(this),h=e.data("forumid"),j=e.data("discussionid"),k=e.data("targetstate");g.setPinDiscussionState(h,j,k).then(function(a){return d(e,a)}).then(function(){return i.get_string("pinupdated","forum").done(function(a){return f.addNotification({message:a,type:"info"})})}).fail(f.exception);if(c){b.preventDefault()}})}}});
-//# sourceMappingURL=pin_toggle.min.js.map
+/**
+ * This module is the highest level module for the calendar. It is
+ * responsible for initialising all of the components required for
+ * the calendar to run. It also coordinates the interaction between
+ * components by listening for and responding to different events
+ * triggered within the calendar UI.
+ *
+ * @module     mod_forum/pin_toggle
+ * @package    mod_forum
+ * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/pin_toggle",["jquery","core/ajax","core/str","core/templates","core/notification","mod_forum/repository","mod_forum/selectors","core/str"],(function($,Ajax,Str,Templates,Notification,Repository,Selectors,String){return{init:function(root,preventDefault,callback){root.on("click",Selectors.pin.toggle,(function(e){var toggleElement=$(this),forumid=toggleElement.data("forumid"),discussionid=toggleElement.data("discussionid"),pinstate=toggleElement.data("targetstate");Repository.setPinDiscussionState(forumid,discussionid,pinstate).then((function(context){return callback(toggleElement,context)})).then((function(){return String.get_string("pinupdated","forum").done((function(s){return Notification.addNotification({message:s,type:"info"})}))})).fail(Notification.exception),preventDefault&&e.preventDefault()}))}}}));
+
+//# sourceMappingURL=pin_toggle.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/pin_toggle.min.js.map b/mod/forum/amd/build/pin_toggle.min.js.map
index bc733c45a16..d099f40f7e2 100644
--- a/mod/forum/amd/build/pin_toggle.min.js.map
+++ b/mod/forum/amd/build/pin_toggle.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/pin_toggle.js"],"names":["define","$","Ajax","Str","Templates","Notification","Repository","Selectors","String","init","registerEventListeners","root","preventDefault","callback","on","pin","toggle","e","toggleElement","forumid","data","discussionid","pinstate","setPinDiscussionState","then","context","get_string","done","s","addNotification","message","type","fail","exception"],"mappings":"AA2BAA,OAAM,wBAAC,CACH,QADG,CAEH,WAFG,CAGH,UAHG,CAIH,gBAJG,CAKH,mBALG,CAMH,sBANG,CAOH,qBAPG,CAQH,UARG,CAAD,CASH,SACCC,CADD,CAECC,CAFD,CAGCC,CAHD,CAICC,CAJD,CAKCC,CALD,CAMCC,CAND,CAOCC,CAPD,CAQCC,CARD,CASD,CAoCE,MAAO,CACHC,IAAI,CA5BqB,QAAzBC,CAAAA,sBAAyB,CAASC,CAAT,CAAeC,CAAf,CAA+BC,CAA/B,CAAyC,CAClEF,CAAI,CAACG,EAAL,CAAQ,OAAR,CAAiBP,CAAS,CAACQ,GAAV,CAAcC,MAA/B,CAAuC,SAASC,CAAT,CAAY,IAC3CC,CAAAA,CAAa,CAAGjB,CAAC,CAAC,IAAD,CAD0B,CAE3CkB,CAAO,CAAGD,CAAa,CAACE,IAAd,CAAmB,SAAnB,CAFiC,CAG3CC,CAAY,CAAGH,CAAa,CAACE,IAAd,CAAmB,cAAnB,CAH4B,CAI3CE,CAAQ,CAAGJ,CAAa,CAACE,IAAd,CAAmB,aAAnB,CAJgC,CAK/Cd,CAAU,CAACiB,qBAAX,CAAiCJ,CAAjC,CAA0CE,CAA1C,CAAwDC,CAAxD,EACKE,IADL,CACU,SAASC,CAAT,CAAkB,CACpB,MAAOZ,CAAAA,CAAQ,CAACK,CAAD,CAAgBO,CAAhB,CAClB,CAHL,EAIKD,IAJL,CAIU,UAAW,CACb,MAAOhB,CAAAA,CAAM,CAACkB,UAAP,CAAkB,YAAlB,CAAgC,OAAhC,EACFC,IADE,CACG,SAASC,CAAT,CAAY,CACd,MAAOvB,CAAAA,CAAY,CAACwB,eAAb,CAA6B,CAChCC,OAAO,CAAEF,CADuB,CAEhCG,IAAI,CAAE,MAF0B,CAA7B,CAIV,CANE,CAOV,CAZL,EAaKC,IAbL,CAaU3B,CAAY,CAAC4B,SAbvB,EAeA,GAAIrB,CAAJ,CAAoB,CAChBK,CAAC,CAACL,cAAF,EACH,CACJ,CAvBD,CAwBH,CAEM,CAGV,CAzDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is the highest level module for the calendar. It is\n * responsible for initialising all of the components required for\n * the calendar to run. It also coordinates the interaction between\n * components by listening for and responding to different events\n * triggered within the calendar UI.\n *\n * @module     mod_forum/pin_toggle\n * @package    mod_forum\n * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/str',\n    'core/templates',\n    'core/notification',\n    'mod_forum/repository',\n    'mod_forum/selectors',\n    'core/str',\n], function(\n    $,\n    Ajax,\n    Str,\n    Templates,\n    Notification,\n    Repository,\n    Selectors,\n    String\n) {\n\n    /**\n     * Registery event listeners for the pin toggle.\n     *\n     * @param {object} root The calendar root element\n     * @param {boolean} preventDefault Should the default action of the event be prevented\n     * @param {function} callback Success callback\n     */\n    var registerEventListeners = function(root, preventDefault, callback) {\n        root.on('click', Selectors.pin.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumid = toggleElement.data('forumid');\n            var discussionid = toggleElement.data('discussionid');\n            var pinstate = toggleElement.data('targetstate');\n            Repository.setPinDiscussionState(forumid, discussionid, pinstate)\n                .then(function(context) {\n                    return callback(toggleElement, context);\n                })\n                .then(function() {\n                    return String.get_string(\"pinupdated\", \"forum\")\n                        .done(function(s) {\n                            return Notification.addNotification({\n                                message: s,\n                                type: \"info\"\n                            });\n                        });\n                })\n                .fail(Notification.exception);\n\n            if (preventDefault) {\n                e.preventDefault();\n            }\n        });\n    };\n\n    return {\n        init: registerEventListeners\n    };\n});"],"file":"pin_toggle.min.js"}
\ No newline at end of file
+{"version":3,"file":"pin_toggle.min.js","sources":["../src/pin_toggle.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is the highest level module for the calendar. It is\n * responsible for initialising all of the components required for\n * the calendar to run. It also coordinates the interaction between\n * components by listening for and responding to different events\n * triggered within the calendar UI.\n *\n * @module     mod_forum/pin_toggle\n * @package    mod_forum\n * @copyright  2018 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/ajax',\n    'core/str',\n    'core/templates',\n    'core/notification',\n    'mod_forum/repository',\n    'mod_forum/selectors',\n    'core/str',\n], function(\n    $,\n    Ajax,\n    Str,\n    Templates,\n    Notification,\n    Repository,\n    Selectors,\n    String\n) {\n\n    /**\n     * Registery event listeners for the pin toggle.\n     *\n     * @param {object} root The calendar root element\n     * @param {boolean} preventDefault Should the default action of the event be prevented\n     * @param {function} callback Success callback\n     */\n    var registerEventListeners = function(root, preventDefault, callback) {\n        root.on('click', Selectors.pin.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumid = toggleElement.data('forumid');\n            var discussionid = toggleElement.data('discussionid');\n            var pinstate = toggleElement.data('targetstate');\n            Repository.setPinDiscussionState(forumid, discussionid, pinstate)\n                .then(function(context) {\n                    return callback(toggleElement, context);\n                })\n                .then(function() {\n                    return String.get_string(\"pinupdated\", \"forum\")\n                        .done(function(s) {\n                            return Notification.addNotification({\n                                message: s,\n                                type: \"info\"\n                            });\n                        });\n                })\n                .fail(Notification.exception);\n\n            if (preventDefault) {\n                e.preventDefault();\n            }\n        });\n    };\n\n    return {\n        init: registerEventListeners\n    };\n});"],"names":["define","$","Ajax","Str","Templates","Notification","Repository","Selectors","String","init","root","preventDefault","callback","on","pin","toggle","e","toggleElement","this","forumid","data","discussionid","pinstate","setPinDiscussionState","then","context","get_string","done","s","addNotification","message","type","fail","exception"],"mappings":";;;;;;;;;;;;AA2BAA,8BAAO,CACH,SACA,YACA,WACA,iBACA,oBACA,uBACA,sBACA,aACD,SACCC,EACAC,KACAC,IACAC,UACAC,aACAC,WACAC,UACAC,cAqCO,CACHC,KA5ByB,SAASC,KAAMC,eAAgBC,UACxDF,KAAKG,GAAG,QAASN,UAAUO,IAAIC,QAAQ,SAASC,OACxCC,cAAgBhB,EAAEiB,MAClBC,QAAUF,cAAcG,KAAK,WAC7BC,aAAeJ,cAAcG,KAAK,gBAClCE,SAAWL,cAAcG,KAAK,eAClCd,WAAWiB,sBAAsBJ,QAASE,aAAcC,UACnDE,MAAK,SAASC,gBACJb,SAASK,cAAeQ,YAElCD,MAAK,kBACKhB,OAAOkB,WAAW,aAAc,SAClCC,MAAK,SAASC,UACJvB,aAAawB,gBAAgB,CAChCC,QAASF,EACTG,KAAM,eAIrBC,KAAK3B,aAAa4B,WAEnBtB,gBACAK,EAAEL"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/posts_list.min.js b/mod/forum/amd/build/posts_list.min.js
index b8bb0af33c6..f5aaab34b1c 100644
--- a/mod/forum/amd/build/posts_list.min.js
+++ b/mod/forum/amd/build/posts_list.min.js
@@ -1,2 +1,15 @@
-define ("mod_forum/posts_list",["jquery","core/templates","core/notification","core/pending","core/yui","mod_forum/selectors","mod_forum/inpage_reply"],function(a,b,c,d,e,f,g){var h=function(h){h.on("click",f.post.inpageReplyLink,function(h){h.preventDefault();if(window.location.hash){var i=window.location.href.split("#")[0];history.pushState({},document.title,i)}var j=new d("inpage-reply"),k=a(h.currentTarget).parents(f.post.forumCoreContent),l=k.find(f.post.forumSubject),m=a(h.currentTarget).parents(f.post.forumContent),n={postid:a(m).data("post-id"),reply_url:a(h.currentTarget).attr("href"),sesskey:M.cfg.sesskey,parentsubject:l.data("replySubject"),canreplyprivately:a(h.currentTarget).data("can-reply-privately"),postformat:g.CONTENT_FORMATS.MOODLE};if(!m.find(f.post.inpageReplyContent).length){b.render("mod_forum/inpage_reply",n).then(function(a,c){return b.appendNodeContents(k,a,c)}).then(function(){return m.find(f.post.inpageReplyContent).slideToggle(300,j.resolve).find("textarea").focus()}).then(function(){e.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.init({formid:"inpage-reply-".concat(n.postid)})})}).fail(c.exception)}else{var o=m.find(f.post.inpageReplyContent);o.slideToggle(300,j.resolve);if(o.is(":visible")){o.find("textarea").focus()}}})};return{init:function init(a){h(a);g.init(a)}}});
-//# sourceMappingURL=posts_list.min.js.map
+/**
+ * This module is the highest level module for the calendar. It is
+ * responsible for initialising all of the components required for
+ * the calendar to run. It also coordinates the interaction between
+ * components by listening for and responding to different events
+ * triggered within the calendar UI.
+ *
+ * @module     mod_forum/posts_list
+ * @package    mod_forum
+ * @copyright  2019 Peter Dias
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/posts_list",["jquery","core/templates","core/notification","core/pending","core/yui","mod_forum/selectors","mod_forum/inpage_reply"],(function($,Templates,Notification,Pending,Y,Selectors,InPageReply){return{init:function(root){!function(root){root.on("click",Selectors.post.inpageReplyLink,(function(e){if(e.preventDefault(),window.location.hash){var url=window.location.href.split("#")[0];history.pushState({},document.title,url)}var pending=new Pending("inpage-reply"),currentTarget=$(e.currentTarget).parents(Selectors.post.forumCoreContent),currentSubject=currentTarget.find(Selectors.post.forumSubject),currentRoot=$(e.currentTarget).parents(Selectors.post.forumContent),context={postid:$(currentRoot).data("post-id"),reply_url:$(e.currentTarget).attr("href"),sesskey:M.cfg.sesskey,parentsubject:currentSubject.data("replySubject"),canreplyprivately:$(e.currentTarget).data("can-reply-privately"),postformat:InPageReply.CONTENT_FORMATS.MOODLE};if(currentRoot.find(Selectors.post.inpageReplyContent).length){var form=currentRoot.find(Selectors.post.inpageReplyContent);form.slideToggle(300,pending.resolve),form.is(":visible")&&form.find("textarea").focus()}else Templates.render("mod_forum/inpage_reply",context).then((function(html,js){return Templates.appendNodeContents(currentTarget,html,js)})).then((function(){return currentRoot.find(Selectors.post.inpageReplyContent).slideToggle(300,pending.resolve).find("textarea").focus()})).then((function(){Y.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.init({formid:"inpage-reply-".concat(context.postid)})}))})).fail(Notification.exception)}))}(root),InPageReply.init(root)}}}));
+
+//# sourceMappingURL=posts_list.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/posts_list.min.js.map b/mod/forum/amd/build/posts_list.min.js.map
index a9833fff278..4c9fe2c32bc 100644
--- a/mod/forum/amd/build/posts_list.min.js.map
+++ b/mod/forum/amd/build/posts_list.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/posts_list.js"],"names":["define","$","Templates","Notification","Pending","Y","Selectors","InPageReply","registerEventListeners","root","on","post","inpageReplyLink","e","preventDefault","window","location","hash","url","href","split","history","pushState","document","title","pending","currentTarget","parents","forumCoreContent","currentSubject","find","forumSubject","currentRoot","forumContent","context","postid","data","attr","sesskey","M","cfg","parentsubject","canreplyprivately","postformat","CONTENT_FORMATS","MOODLE","inpageReplyContent","length","render","then","html","js","appendNodeContents","slideToggle","resolve","focus","use","core_formchangechecker","init","formid","fail","exception","form","is"],"mappings":"AA2BAA,OAAM,wBAAC,CACC,QADD,CAEC,gBAFD,CAGC,mBAHD,CAIC,cAJD,CAKC,UALD,CAMC,qBAND,CAOC,wBAPD,CAAD,CAQC,SACCC,CADD,CAECC,CAFD,CAGCC,CAHD,CAICC,CAJD,CAKCC,CALD,CAMCC,CAND,CAOCC,CAPD,CAQD,CAEF,GAAIC,CAAAA,CAAsB,CAAG,SAASC,CAAT,CAAe,CACxCA,CAAI,CAACC,EAAL,CAAQ,OAAR,CAAiBJ,CAAS,CAACK,IAAV,CAAeC,eAAhC,CAAiD,SAASC,CAAT,CAAY,CACzDA,CAAC,CAACC,cAAF,GAMA,GAAIC,MAAM,CAACC,QAAP,CAAgBC,IAApB,CAA0B,CAEtB,GAAIC,CAAAA,CAAG,CAAGH,MAAM,CAACC,QAAP,CAAgBG,IAAhB,CAAqBC,KAArB,CAA2B,GAA3B,EAAgC,CAAhC,CAAV,CACAC,OAAO,CAACC,SAAR,CAAkB,EAAlB,CAAsBC,QAAQ,CAACC,KAA/B,CAAsCN,CAAtC,CACH,CAXwD,GAYrDO,CAAAA,CAAO,CAAG,GAAIrB,CAAAA,CAAJ,CAAY,cAAZ,CAZ2C,CAarDsB,CAAa,CAAGzB,CAAC,CAACY,CAAC,CAACa,aAAH,CAAD,CAAmBC,OAAnB,CAA2BrB,CAAS,CAACK,IAAV,CAAeiB,gBAA1C,CAbqC,CAcrDC,CAAc,CAAGH,CAAa,CAACI,IAAd,CAAmBxB,CAAS,CAACK,IAAV,CAAeoB,YAAlC,CAdoC,CAerDC,CAAW,CAAG/B,CAAC,CAACY,CAAC,CAACa,aAAH,CAAD,CAAmBC,OAAnB,CAA2BrB,CAAS,CAACK,IAAV,CAAesB,YAA1C,CAfuC,CAgBrDC,CAAO,CAAG,CACVC,MAAM,CAAElC,CAAC,CAAC+B,CAAD,CAAD,CAAeI,IAAf,CAAoB,SAApB,CADE,CAEV,UAAanC,CAAC,CAACY,CAAC,CAACa,aAAH,CAAD,CAAmBW,IAAnB,CAAwB,MAAxB,CAFH,CAGVC,OAAO,CAAEC,CAAC,CAACC,GAAF,CAAMF,OAHL,CAIVG,aAAa,CAAEZ,CAAc,CAACO,IAAf,CAAoB,cAApB,CAJL,CAKVM,iBAAiB,CAAEzC,CAAC,CAACY,CAAC,CAACa,aAAH,CAAD,CAAmBU,IAAnB,CAAwB,qBAAxB,CALT,CAMVO,UAAU,CAAEpC,CAAW,CAACqC,eAAZ,CAA4BC,MAN9B,CAhB2C,CAyBzD,GAAI,CAACb,CAAW,CAACF,IAAZ,CAAiBxB,CAAS,CAACK,IAAV,CAAemC,kBAAhC,EAAoDC,MAAzD,CAAiE,CAC7D7C,CAAS,CAAC8C,MAAV,CAAiB,wBAAjB,CAA2Cd,CAA3C,EACKe,IADL,CACU,SAASC,CAAT,CAAeC,CAAf,CAAmB,CACrB,MAAOjD,CAAAA,CAAS,CAACkD,kBAAV,CAA6B1B,CAA7B,CAA4CwB,CAA5C,CAAkDC,CAAlD,CACV,CAHL,EAIKF,IAJL,CAIU,UAAW,CACb,MAAOjB,CAAAA,CAAW,CAACF,IAAZ,CAAiBxB,CAAS,CAACK,IAAV,CAAemC,kBAAhC,EACFO,WADE,CACU,GADV,CACe5B,CAAO,CAAC6B,OADvB,EACgCxB,IADhC,CACqC,UADrC,EACiDyB,KADjD,EAEV,CAPL,EAQKN,IARL,CAQU,UAAW,CAEb5C,CAAC,CAACmD,GAAF,CAAM,+BAAN,CAAuC,UAAM,CACzCjB,CAAC,CAACkB,sBAAF,CAAyBC,IAAzB,CAA8B,CAACC,MAAM,wBAAkBzB,CAAO,CAACC,MAA1B,CAAP,CAA9B,CACH,CAFD,CAIH,CAdL,EAeKyB,IAfL,CAeUzD,CAAY,CAAC0D,SAfvB,CAgBH,CAjBD,IAiBO,CACH,GAAIC,CAAAA,CAAI,CAAG9B,CAAW,CAACF,IAAZ,CAAiBxB,CAAS,CAACK,IAAV,CAAemC,kBAAhC,CAAX,CACAgB,CAAI,CAACT,WAAL,CAAiB,GAAjB,CAAsB5B,CAAO,CAAC6B,OAA9B,EACA,GAAIQ,CAAI,CAACC,EAAL,CAAQ,UAAR,CAAJ,CAAyB,CACrBD,CAAI,CAAChC,IAAL,CAAU,UAAV,EAAsByB,KAAtB,EACH,CACJ,CACJ,CAjDD,CAkDH,CAnDD,CAqDA,MAAO,CACHG,IAAI,CAAE,cAASjD,CAAT,CAAe,CACjBD,CAAsB,CAACC,CAAD,CAAtB,CACAF,CAAW,CAACmD,IAAZ,CAAiBjD,CAAjB,CACH,CAJE,CAMV,CA7EK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is the highest level module for the calendar. It is\n * responsible for initialising all of the components required for\n * the calendar to run. It also coordinates the interaction between\n * components by listening for and responding to different events\n * triggered within the calendar UI.\n *\n * @module     mod_forum/posts_list\n * @package    mod_forum\n * @copyright  2019 Peter Dias\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'core/pending',\n        'core/yui',\n        'mod_forum/selectors',\n        'mod_forum/inpage_reply',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Pending,\n        Y,\n        Selectors,\n        InPageReply\n    ) {\n\n    var registerEventListeners = function(root) {\n        root.on('click', Selectors.post.inpageReplyLink, function(e) {\n            e.preventDefault();\n            // After adding a reply a url hash is being generated that scrolls (points) to the newly added reply.\n            // The hash being present causes this scrolling behavior to the particular reply to persists even when\n            // another, non-related in-page replay link is being clicked which ultimately causes a bad user experience.\n            // A particular solution for this problem would be changing the browser's history state when a url hash is\n            // present.\n            if (window.location.hash) {\n                // Remove the fragment identifier from the url.\n                var url = window.location.href.split('#')[0];\n                history.pushState({}, document.title, url);\n            }\n            var pending = new Pending('inpage-reply');\n            var currentTarget = $(e.currentTarget).parents(Selectors.post.forumCoreContent);\n            var currentSubject = currentTarget.find(Selectors.post.forumSubject);\n            var currentRoot = $(e.currentTarget).parents(Selectors.post.forumContent);\n            var context = {\n                postid: $(currentRoot).data('post-id'),\n                \"reply_url\": $(e.currentTarget).attr('href'),\n                sesskey: M.cfg.sesskey,\n                parentsubject: currentSubject.data('replySubject'),\n                canreplyprivately: $(e.currentTarget).data('can-reply-privately'),\n                postformat: InPageReply.CONTENT_FORMATS.MOODLE\n            };\n\n            if (!currentRoot.find(Selectors.post.inpageReplyContent).length) {\n                Templates.render('mod_forum/inpage_reply', context)\n                    .then(function(html, js) {\n                        return Templates.appendNodeContents(currentTarget, html, js);\n                    })\n                    .then(function() {\n                        return currentRoot.find(Selectors.post.inpageReplyContent)\n                            .slideToggle(300, pending.resolve).find('textarea').focus();\n                    })\n                    .then(function() {\n                        // Load formchangechecker module.\n                        Y.use('moodle-core-formchangechecker', () => {\n                            M.core_formchangechecker.init({formid: `inpage-reply-${context.postid}`});\n                        });\n                        return;\n                    })\n                    .fail(Notification.exception);\n            } else {\n                var form = currentRoot.find(Selectors.post.inpageReplyContent);\n                form.slideToggle(300, pending.resolve);\n                if (form.is(':visible')) {\n                    form.find('textarea').focus();\n                }\n            }\n        });\n    };\n\n    return {\n        init: function(root) {\n            registerEventListeners(root);\n            InPageReply.init(root);\n        }\n    };\n});\n"],"file":"posts_list.min.js"}
\ No newline at end of file
+{"version":3,"file":"posts_list.min.js","sources":["../src/posts_list.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This module is the highest level module for the calendar. It is\n * responsible for initialising all of the components required for\n * the calendar to run. It also coordinates the interaction between\n * components by listening for and responding to different events\n * triggered within the calendar UI.\n *\n * @module     mod_forum/posts_list\n * @package    mod_forum\n * @copyright  2019 Peter Dias\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'core/pending',\n        'core/yui',\n        'mod_forum/selectors',\n        'mod_forum/inpage_reply',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Pending,\n        Y,\n        Selectors,\n        InPageReply\n    ) {\n\n    var registerEventListeners = function(root) {\n        root.on('click', Selectors.post.inpageReplyLink, function(e) {\n            e.preventDefault();\n            // After adding a reply a url hash is being generated that scrolls (points) to the newly added reply.\n            // The hash being present causes this scrolling behavior to the particular reply to persists even when\n            // another, non-related in-page replay link is being clicked which ultimately causes a bad user experience.\n            // A particular solution for this problem would be changing the browser's history state when a url hash is\n            // present.\n            if (window.location.hash) {\n                // Remove the fragment identifier from the url.\n                var url = window.location.href.split('#')[0];\n                history.pushState({}, document.title, url);\n            }\n            var pending = new Pending('inpage-reply');\n            var currentTarget = $(e.currentTarget).parents(Selectors.post.forumCoreContent);\n            var currentSubject = currentTarget.find(Selectors.post.forumSubject);\n            var currentRoot = $(e.currentTarget).parents(Selectors.post.forumContent);\n            var context = {\n                postid: $(currentRoot).data('post-id'),\n                \"reply_url\": $(e.currentTarget).attr('href'),\n                sesskey: M.cfg.sesskey,\n                parentsubject: currentSubject.data('replySubject'),\n                canreplyprivately: $(e.currentTarget).data('can-reply-privately'),\n                postformat: InPageReply.CONTENT_FORMATS.MOODLE\n            };\n\n            if (!currentRoot.find(Selectors.post.inpageReplyContent).length) {\n                Templates.render('mod_forum/inpage_reply', context)\n                    .then(function(html, js) {\n                        return Templates.appendNodeContents(currentTarget, html, js);\n                    })\n                    .then(function() {\n                        return currentRoot.find(Selectors.post.inpageReplyContent)\n                            .slideToggle(300, pending.resolve).find('textarea').focus();\n                    })\n                    .then(function() {\n                        // Load formchangechecker module.\n                        Y.use('moodle-core-formchangechecker', () => {\n                            M.core_formchangechecker.init({formid: `inpage-reply-${context.postid}`});\n                        });\n                        return;\n                    })\n                    .fail(Notification.exception);\n            } else {\n                var form = currentRoot.find(Selectors.post.inpageReplyContent);\n                form.slideToggle(300, pending.resolve);\n                if (form.is(':visible')) {\n                    form.find('textarea').focus();\n                }\n            }\n        });\n    };\n\n    return {\n        init: function(root) {\n            registerEventListeners(root);\n            InPageReply.init(root);\n        }\n    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diff --git a/mod/forum/amd/build/repository.min.js b/mod/forum/amd/build/repository.min.js
index c7ca03d28d8..eab67b86a8b 100644
--- a/mod/forum/amd/build/repository.min.js
+++ b/mod/forum/amd/build/repository.min.js
@@ -1,2 +1,12 @@
-define ("mod_forum/repository",["core/ajax"],function(a){return{setDiscussionSubscriptionState:function setDiscussionSubscriptionState(b,c,d){return a.call([{methodname:"mod_forum_set_subscription_state",args:{forumid:b,discussionid:c,targetstate:d}}])[0]},addDiscussionPost:function addDiscussionPost(b,c,d,e,f,g){return a.call([{methodname:"mod_forum_add_discussion_post",args:{postid:b,message:d,messageformat:e,subject:c,options:[{name:"private",value:f},{name:"topreferredformat",value:g}]}}])[0]},setDiscussionLockState:function setDiscussionLockState(b,c,d){return a.call([{methodname:"mod_forum_set_lock_state",args:{forumid:b,discussionid:c,targetstate:d}}])[0]},setFavouriteDiscussionState:function setFavouriteDiscussionState(b,c,d){return a.call([{methodname:"mod_forum_toggle_favourite_state",args:{discussionid:c,targetstate:d}}])[0]},setPinDiscussionState:function setPinDiscussionState(b,c,d){return a.call([{methodname:"mod_forum_set_pin_state",args:{discussionid:c,targetstate:d}}])[0]},getDiscussionByUserID:function getDiscussionByUserID(b,c){var d=2<arguments.length&&arguments[2]!==void 0?arguments[2]:"modified",e=3<arguments.length&&arguments[3]!==void 0?arguments[3]:"DESC";return a.call([{methodname:"mod_forum_get_discussion_posts_by_userid",args:{userid:b,cmid:c,sortby:d,sortdirection:e}}])[0]},getDiscussionPosts:function getDiscussionPosts(b){var c=1<arguments.length&&arguments[1]!==void 0?arguments[1]:"created",d=2<arguments.length&&arguments[2]!==void 0?arguments[2]:"ASC";return a.call([{methodname:"mod_forum_get_discussion_posts",args:{discussionid:b,sortby:c,sortdirection:d}}])[0]}}});
-//# sourceMappingURL=repository.min.js.map
+/**
+ * Forum repository class to encapsulate all of the AJAX requests that subscribe or unsubscribe
+ * can be sent for forum.
+ *
+ * @module     mod_forum/repository
+ * @package    mod_forum
+ * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/repository",["core/ajax"],(function(Ajax){return{setDiscussionSubscriptionState:function(forumId,discussionId,targetState){var request={methodname:"mod_forum_set_subscription_state",args:{forumid:forumId,discussionid:discussionId,targetstate:targetState}};return Ajax.call([request])[0]},addDiscussionPost:function(postid,subject,message,messageformat,isprivatereply,topreferredformat){var request={methodname:"mod_forum_add_discussion_post",args:{postid:postid,message:message,messageformat:messageformat,subject:subject,options:[{name:"private",value:isprivatereply},{name:"topreferredformat",value:topreferredformat}]}};return Ajax.call([request])[0]},setDiscussionLockState:function(forumId,discussionId,targetState){var request={methodname:"mod_forum_set_lock_state",args:{forumid:forumId,discussionid:discussionId,targetstate:targetState}};return Ajax.call([request])[0]},setFavouriteDiscussionState:function(forumId,discussionId,targetState){var request={methodname:"mod_forum_toggle_favourite_state",args:{discussionid:discussionId,targetstate:targetState}};return Ajax.call([request])[0]},setPinDiscussionState:function(forumid,discussionid,targetstate){var request={methodname:"mod_forum_set_pin_state",args:{discussionid:discussionid,targetstate:targetstate}};return Ajax.call([request])[0]},getDiscussionByUserID:function(userid,cmid){var sortby=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"modified",sortdirection=arguments.length>3&&void 0!==arguments[3]?arguments[3]:"DESC",request={methodname:"mod_forum_get_discussion_posts_by_userid",args:{userid:userid,cmid:cmid,sortby:sortby,sortdirection:sortdirection}};return Ajax.call([request])[0]},getDiscussionPosts:function(discussionId){var sortby=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"created",sortdirection=arguments.length>2&&void 0!==arguments[2]?arguments[2]:"ASC",request={methodname:"mod_forum_get_discussion_posts",args:{discussionid:discussionId,sortby:sortby,sortdirection:sortdirection}};return Ajax.call([request])[0]}}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/repository.min.js.map b/mod/forum/amd/build/repository.min.js.map
index 4b83ba58d0c..20f3246a646 100644
--- a/mod/forum/amd/build/repository.min.js.map
+++ b/mod/forum/amd/build/repository.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Forum repository class to encapsulate all of the AJAX requests that subscribe or unsubscribe\n * can be sent for forum.\n *\n * @module     mod_forum/repository\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax'], function(Ajax) {\n    /**\n     * Set the subscription state for a discussion in a forum.\n     *\n     * @param {number} forumId ID of the forum the discussion belongs to\n     * @param {number} discussionId ID of the discussion with the subscription state\n     * @param {boolean} targetState Set the subscribed state. True == subscribed; false == unsubscribed.\n     * @return {object} jQuery promise\n     */\n    var setDiscussionSubscriptionState = function(forumId, discussionId, targetState) {\n        var request = {\n            methodname: 'mod_forum_set_subscription_state',\n            args: {\n                forumid: forumId,\n                discussionid: discussionId,\n                targetstate: targetState\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    var addDiscussionPost = function(postid, subject, message, messageformat, isprivatereply, topreferredformat) {\n        var request = {\n            methodname: 'mod_forum_add_discussion_post',\n            args: {\n                postid: postid,\n                message: message,\n                messageformat: messageformat,\n                subject: subject,\n                options: [{\n                    name: \"private\",\n                    value: isprivatereply,\n                }, {\n                    name: \"topreferredformat\",\n                    value: topreferredformat,\n                }]\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set the favourite state for a discussion in a forum.\n     *\n     * @param {number} forumId ID of the forum the discussion belongs to\n     * @param {number} discussionId ID of the discussion with the subscription state\n     * @param {null|date} targetState Set the favourite state. True == favourited; false == unfavourited.\n     * @return {object} jQuery promise\n     */\n    var setFavouriteDiscussionState = function(forumId, discussionId, targetState) {\n        var request = {\n            methodname: 'mod_forum_toggle_favourite_state',\n            args: {\n                discussionid: discussionId,\n                targetstate: targetState\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    var setDiscussionLockState = function(forumId, discussionId, targetState) {\n        var request = {\n            methodname: 'mod_forum_set_lock_state',\n            args: {\n                forumid: forumId,\n                discussionid: discussionId,\n                targetstate: targetState}\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set the pinned state for the discussion provided.\n     *\n     * @param {number} forumid\n     * @param {number} discussionid\n     * @param {boolean} targetstate\n     * @return {*|Promise}\n     */\n    var setPinDiscussionState = function(forumid, discussionid, targetstate) {\n        var request = {\n            methodname: 'mod_forum_set_pin_state',\n            args: {\n                discussionid: discussionid,\n                targetstate: targetstate\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the discussions for the user and cmid provided.\n     *\n     * @param {number} userid\n     * @param {number} cmid\n     * @param {string} sortby\n     * @param {string} sortdirection\n     * @return {*|Promise}\n     */\n    var getDiscussionByUserID = function(userid, cmid, sortby = 'modified', sortdirection = 'DESC') {\n        var request = {\n            methodname: 'mod_forum_get_discussion_posts_by_userid',\n            args: {\n                userid: userid,\n                cmid: cmid,\n                sortby: sortby,\n                sortdirection: sortdirection,\n            },\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the posts for the discussion ID provided.\n     *\n     * @param {number} discussionId\n     * @param {String} sortby\n     * @param {String} sortdirection\n     * @return {*|Promise}\n     */\n    var getDiscussionPosts = function(discussionId, sortby = 'created', sortdirection = 'ASC') {\n        var request = {\n            methodname: 'mod_forum_get_discussion_posts',\n            args: {\n                discussionid: discussionId,\n                sortby: sortby,\n                sortdirection: sortdirection,\n            },\n        };\n        return Ajax.call([request])[0];\n    };\n\n    return {\n        setDiscussionSubscriptionState: setDiscussionSubscriptionState,\n        addDiscussionPost: addDiscussionPost,\n        setDiscussionLockState: setDiscussionLockState,\n        setFavouriteDiscussionState: setFavouriteDiscussionState,\n        setPinDiscussionState: setPinDiscussionState,\n        getDiscussionByUserID: getDiscussionByUserID,\n        getDiscussionPosts: getDiscussionPosts,\n    };\n});\n"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../src/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Forum repository class to encapsulate all of the AJAX requests that subscribe or unsubscribe\n * can be sent for forum.\n *\n * @module     mod_forum/repository\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['core/ajax'], function(Ajax) {\n    /**\n     * Set the subscription state for a discussion in a forum.\n     *\n     * @param {number} forumId ID of the forum the discussion belongs to\n     * @param {number} discussionId ID of the discussion with the subscription state\n     * @param {boolean} targetState Set the subscribed state. True == subscribed; false == unsubscribed.\n     * @return {object} jQuery promise\n     */\n    var setDiscussionSubscriptionState = function(forumId, discussionId, targetState) {\n        var request = {\n            methodname: 'mod_forum_set_subscription_state',\n            args: {\n                forumid: forumId,\n                discussionid: discussionId,\n                targetstate: targetState\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    var addDiscussionPost = function(postid, subject, message, messageformat, isprivatereply, topreferredformat) {\n        var request = {\n            methodname: 'mod_forum_add_discussion_post',\n            args: {\n                postid: postid,\n                message: message,\n                messageformat: messageformat,\n                subject: subject,\n                options: [{\n                    name: \"private\",\n                    value: isprivatereply,\n                }, {\n                    name: \"topreferredformat\",\n                    value: topreferredformat,\n                }]\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set the favourite state for a discussion in a forum.\n     *\n     * @param {number} forumId ID of the forum the discussion belongs to\n     * @param {number} discussionId ID of the discussion with the subscription state\n     * @param {null|date} targetState Set the favourite state. True == favourited; false == unfavourited.\n     * @return {object} jQuery promise\n     */\n    var setFavouriteDiscussionState = function(forumId, discussionId, targetState) {\n        var request = {\n            methodname: 'mod_forum_toggle_favourite_state',\n            args: {\n                discussionid: discussionId,\n                targetstate: targetState\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    var setDiscussionLockState = function(forumId, discussionId, targetState) {\n        var request = {\n            methodname: 'mod_forum_set_lock_state',\n            args: {\n                forumid: forumId,\n                discussionid: discussionId,\n                targetstate: targetState}\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Set the pinned state for the discussion provided.\n     *\n     * @param {number} forumid\n     * @param {number} discussionid\n     * @param {boolean} targetstate\n     * @return {*|Promise}\n     */\n    var setPinDiscussionState = function(forumid, discussionid, targetstate) {\n        var request = {\n            methodname: 'mod_forum_set_pin_state',\n            args: {\n                discussionid: discussionid,\n                targetstate: targetstate\n            }\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the discussions for the user and cmid provided.\n     *\n     * @param {number} userid\n     * @param {number} cmid\n     * @param {string} sortby\n     * @param {string} sortdirection\n     * @return {*|Promise}\n     */\n    var getDiscussionByUserID = function(userid, cmid, sortby = 'modified', sortdirection = 'DESC') {\n        var request = {\n            methodname: 'mod_forum_get_discussion_posts_by_userid',\n            args: {\n                userid: userid,\n                cmid: cmid,\n                sortby: sortby,\n                sortdirection: sortdirection,\n            },\n        };\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Get the posts for the discussion ID provided.\n     *\n     * @param {number} discussionId\n     * @param {String} sortby\n     * @param {String} sortdirection\n     * @return {*|Promise}\n     */\n    var getDiscussionPosts = function(discussionId, sortby = 'created', sortdirection = 'ASC') {\n        var request = {\n            methodname: 'mod_forum_get_discussion_posts',\n            args: {\n                discussionid: discussionId,\n                sortby: sortby,\n                sortdirection: sortdirection,\n            },\n        };\n        return Ajax.call([request])[0];\n    };\n\n    return {\n        setDiscussionSubscriptionState: setDiscussionSubscriptionState,\n        addDiscussionPost: addDiscussionPost,\n        setDiscussionLockState: setDiscussionLockState,\n        setFavouriteDiscussionState: setFavouriteDiscussionState,\n        setPinDiscussionState: setPinDiscussionState,\n        getDiscussionByUserID: getDiscussionByUserID,\n        getDiscussionPosts: getDiscussionPosts,\n    };\n});\n"],"names":["define","Ajax","setDiscussionSubscriptionState","forumId","discussionId","targetState","request","methodname","args","forumid","discussionid","targetstate","call","addDiscussionPost","postid","subject","message","messageformat","isprivatereply","topreferredformat","options","name","value","setDiscussionLockState","setFavouriteDiscussionState","setPinDiscussionState","getDiscussionByUserID","userid","cmid","sortby","sortdirection","getDiscussionPosts"],"mappings":";;;;;;;;;AAwBAA,8BAAO,CAAC,cAAc,SAASC,YAoIpB,CACHC,+BA5HiC,SAASC,QAASC,aAAcC,iBAC7DC,QAAU,CACVC,WAAY,mCACZC,KAAM,CACFC,QAASN,QACTO,aAAcN,aACdO,YAAaN,qBAGdJ,KAAKW,KAAK,CAACN,UAAU,IAoH5BO,kBAjHoB,SAASC,OAAQC,QAASC,QAASC,cAAeC,eAAgBC,uBAClFb,QAAU,CACVC,WAAY,gCACZC,KAAM,CACFM,OAAQA,OACRE,QAASA,QACTC,cAAeA,cACfF,QAASA,QACTK,QAAS,CAAC,CACNC,KAAM,UACNC,MAAOJ,gBACR,CACCG,KAAM,oBACNC,MAAOH,6BAIZlB,KAAKW,KAAK,CAACN,UAAU,IAiG5BiB,uBA3EyB,SAASpB,QAASC,aAAcC,iBACrDC,QAAU,CACVC,WAAY,2BACZC,KAAM,CACFC,QAASN,QACTO,aAAcN,aACdO,YAAaN,qBAEdJ,KAAKW,KAAK,CAACN,UAAU,IAoE5BkB,4BAvF8B,SAASrB,QAASC,aAAcC,iBAC1DC,QAAU,CACVC,WAAY,mCACZC,KAAM,CACFE,aAAcN,aACdO,YAAaN,qBAGdJ,KAAKW,KAAK,CAACN,UAAU,IAgF5BmB,sBA1DwB,SAAShB,QAASC,aAAcC,iBACpDL,QAAU,CACVC,WAAY,0BACZC,KAAM,CACFE,aAAcA,aACdC,YAAaA,qBAGdV,KAAKW,KAAK,CAACN,UAAU,IAmD5BoB,sBAvCwB,SAASC,OAAQC,UAAMC,8DAAS,WAAYC,qEAAgB,OAChFxB,QAAU,CACVC,WAAY,2CACZC,KAAM,CACFmB,OAAQA,OACRC,KAAMA,KACNC,OAAQA,OACRC,cAAeA,uBAGhB7B,KAAKW,KAAK,CAACN,UAAU,IA8B5ByB,mBAnBqB,SAAS3B,kBAAcyB,8DAAS,UAAWC,qEAAgB,MAC5ExB,QAAU,CACVC,WAAY,iCACZC,KAAM,CACFE,aAAcN,aACdyB,OAAQA,OACRC,cAAeA,uBAGhB7B,KAAKW,KAAK,CAACN,UAAU"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/selectors.min.js b/mod/forum/amd/build/selectors.min.js
index 2bb490eaef4..630d9c868ea 100644
--- a/mod/forum/amd/build/selectors.min.js
+++ b/mod/forum/amd/build/selectors.min.js
@@ -1,2 +1,11 @@
-define ("mod_forum/selectors",[],function(){return{subscription:{toggle:"[data-type='subscription-toggle'][data-action='toggle']"},summary:{actions:"[data-container='discussion-summary-actions']"},post:{post:"[data-region=\"post\"]",action:"[data-region=\"post-action\"]",actionsContainer:"[data-region=\"post-actions-container\"]",authorName:"[data-region=\"author-name\"]",forumCoreContent:"[data-region-content='forum-post-core']",forumContent:"[data-content='forum-post']",forumSubject:"[data-region-content='forum-post-core-subject']",inpageReplyButton:"button",inpageReplyLink:"[data-action='collapsible-link']",inpageReplyCancelButton:"[data-action='cancel-inpage-reply']",inpageReplyCreateButton:"[data-action='create-inpage-reply']",inpageReplyContainer:"[data-region=\"inpage-reply-container\"]",inpageReplyContent:"[data-content='inpage-reply-content']",inpageReplyForm:"form[data-content='inpage-reply-form']",inpageSubmitBtn:"[data-action='forum-inpage-submit']",inpageSubmitBtnText:"[data-region='submit-text']",loadingIconContainer:"[data-region='loading-icon-container']",repliesContainer:"[data-region='replies-container']",replyCount:"[data-region=\"reply-count\"]",modeSelect:"select[name='mode']",showReplies:"[data-action=\"show-replies\"]",hideReplies:"[data-action=\"hide-replies\"]",repliesVisibilityToggleContainer:"[data-region=\"replies-visibility-toggle-container\"]"},lock:{toggle:"[data-action='toggle'][data-type='lock-toggle']",icon:"[data-region='locked-icon']"},favourite:{toggle:"[data-type='favorite-toggle'][data-action='toggle']"},pin:{toggle:"[data-type='pin-toggle'][data-action='toggle']"},discussion:{tools:"[data-container=\"discussion-tools\"]",item:"[data-region=\"discussion-list-item\"]",lockedLabel:"[data-region='locked-label']",subscribedLabel:"[data-region='subscribed-label']",timedLabel:"[data-region='timed-label']"}}});
-//# sourceMappingURL=selectors.min.js.map
+/**
+ * Common CSS selectors for the forum UI.
+ *
+ * @module     mod_forum/selectors
+ * @package    mod_forum
+ * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/selectors",[],(function(){return{subscription:{toggle:"[data-type='subscription-toggle'][data-action='toggle']"},summary:{actions:"[data-container='discussion-summary-actions']"},post:{post:'[data-region="post"]',action:'[data-region="post-action"]',actionsContainer:'[data-region="post-actions-container"]',authorName:'[data-region="author-name"]',forumCoreContent:"[data-region-content='forum-post-core']",forumContent:"[data-content='forum-post']",forumSubject:"[data-region-content='forum-post-core-subject']",inpageReplyButton:"button",inpageReplyLink:"[data-action='collapsible-link']",inpageReplyCancelButton:"[data-action='cancel-inpage-reply']",inpageReplyCreateButton:"[data-action='create-inpage-reply']",inpageReplyContainer:'[data-region="inpage-reply-container"]',inpageReplyContent:"[data-content='inpage-reply-content']",inpageReplyForm:"form[data-content='inpage-reply-form']",inpageSubmitBtn:"[data-action='forum-inpage-submit']",inpageSubmitBtnText:"[data-region='submit-text']",loadingIconContainer:"[data-region='loading-icon-container']",repliesContainer:"[data-region='replies-container']",replyCount:'[data-region="reply-count"]',modeSelect:"select[name='mode']",showReplies:'[data-action="show-replies"]',hideReplies:'[data-action="hide-replies"]',repliesVisibilityToggleContainer:'[data-region="replies-visibility-toggle-container"]'},lock:{toggle:"[data-action='toggle'][data-type='lock-toggle']",icon:"[data-region='locked-icon']"},favourite:{toggle:"[data-type='favorite-toggle'][data-action='toggle']"},pin:{toggle:"[data-type='pin-toggle'][data-action='toggle']"},discussion:{tools:'[data-container="discussion-tools"]',item:'[data-region="discussion-list-item"]',lockedLabel:"[data-region='locked-label']",subscribedLabel:"[data-region='subscribed-label']",timedLabel:"[data-region='timed-label']"}}}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/selectors.min.js.map b/mod/forum/amd/build/selectors.min.js.map
index 7b67eb41748..341b8292eda 100644
--- a/mod/forum/amd/build/selectors.min.js.map
+++ b/mod/forum/amd/build/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/selectors.js"],"names":["define","subscription","toggle","summary","actions","post","action","actionsContainer","authorName","forumCoreContent","forumContent","forumSubject","inpageReplyButton","inpageReplyLink","inpageReplyCancelButton","inpageReplyCreateButton","inpageReplyContainer","inpageReplyContent","inpageReplyForm","inpageSubmitBtn","inpageSubmitBtnText","loadingIconContainer","repliesContainer","replyCount","modeSelect","showReplies","hideReplies","repliesVisibilityToggleContainer","lock","icon","favourite","pin","discussion","tools","item","lockedLabel","subscribedLabel","timedLabel"],"mappings":"AAuBAA,OAAM,uBAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,YAAY,CAAE,CACVC,MAAM,CAAE,yDADE,CADX,CAIHC,OAAO,CAAE,CACLC,OAAO,CAAE,+CADJ,CAJN,CAOHC,IAAI,CAAE,CACFA,IAAI,CAAE,wBADJ,CAEFC,MAAM,CAAE,+BAFN,CAGFC,gBAAgB,CAAE,0CAHhB,CAIFC,UAAU,CAAE,+BAJV,CAKFC,gBAAgB,CAAE,yCALhB,CAMFC,YAAY,CAAE,6BANZ,CAOFC,YAAY,CAAE,iDAPZ,CAQFC,iBAAiB,CAAE,QARjB,CASFC,eAAe,CAAE,kCATf,CAUFC,uBAAuB,CAAE,qCAVvB,CAWFC,uBAAuB,CAAE,qCAXvB,CAYFC,oBAAoB,CAAE,0CAZpB,CAaFC,kBAAkB,CAAE,uCAblB,CAcFC,eAAe,CAAE,wCAdf,CAeFC,eAAe,CAAE,qCAff,CAgBFC,mBAAmB,CAAE,6BAhBnB,CAiBFC,oBAAoB,CAAE,wCAjBpB,CAkBFC,gBAAgB,CAAE,mCAlBhB,CAmBFC,UAAU,CAAE,+BAnBV,CAoBFC,UAAU,CAAE,qBApBV,CAqBFC,WAAW,CAAE,gCArBX,CAsBFC,WAAW,CAAE,gCAtBX,CAuBFC,gCAAgC,CAAE,uDAvBhC,CAPH,CAgCHC,IAAI,CAAE,CACF1B,MAAM,CAAE,iDADN,CAEF2B,IAAI,CAAE,6BAFJ,CAhCH,CAoCHC,SAAS,CAAE,CACP5B,MAAM,CAAE,qDADD,CApCR,CAuCH6B,GAAG,CAAE,CACD7B,MAAM,CAAE,gDADP,CAvCF,CA0CH8B,UAAU,CAAE,CACRC,KAAK,CAAE,uCADC,CAERC,IAAI,CAAE,wCAFE,CAGRC,WAAW,CAAE,8BAHL,CAIRC,eAAe,CAAE,kCAJT,CAKRC,UAAU,CAAE,6BALJ,CA1CT,CAkDV,CAnDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Common CSS selectors for the forum UI.\n *\n * @module     mod_forum/selectors\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        subscription: {\n            toggle: \"[data-type='subscription-toggle'][data-action='toggle']\",\n        },\n        summary: {\n            actions: \"[data-container='discussion-summary-actions']\"\n        },\n        post: {\n            post: '[data-region=\"post\"]',\n            action: '[data-region=\"post-action\"]',\n            actionsContainer: '[data-region=\"post-actions-container\"]',\n            authorName: '[data-region=\"author-name\"]',\n            forumCoreContent: \"[data-region-content='forum-post-core']\",\n            forumContent: \"[data-content='forum-post']\",\n            forumSubject: \"[data-region-content='forum-post-core-subject']\",\n            inpageReplyButton: \"button\",\n            inpageReplyLink: \"[data-action='collapsible-link']\",\n            inpageReplyCancelButton: \"[data-action='cancel-inpage-reply']\",\n            inpageReplyCreateButton: \"[data-action='create-inpage-reply']\",\n            inpageReplyContainer: '[data-region=\"inpage-reply-container\"]',\n            inpageReplyContent: \"[data-content='inpage-reply-content']\",\n            inpageReplyForm: \"form[data-content='inpage-reply-form']\",\n            inpageSubmitBtn: \"[data-action='forum-inpage-submit']\",\n            inpageSubmitBtnText: \"[data-region='submit-text']\",\n            loadingIconContainer: \"[data-region='loading-icon-container']\",\n            repliesContainer: \"[data-region='replies-container']\",\n            replyCount: '[data-region=\"reply-count\"]',\n            modeSelect: \"select[name='mode']\",\n            showReplies: '[data-action=\"show-replies\"]',\n            hideReplies: '[data-action=\"hide-replies\"]',\n            repliesVisibilityToggleContainer: '[data-region=\"replies-visibility-toggle-container\"]'\n        },\n        lock: {\n            toggle: \"[data-action='toggle'][data-type='lock-toggle']\",\n            icon: \"[data-region='locked-icon']\"\n        },\n        favourite: {\n            toggle: \"[data-type='favorite-toggle'][data-action='toggle']\",\n        },\n        pin: {\n            toggle: \"[data-type='pin-toggle'][data-action='toggle']\",\n        },\n        discussion: {\n            tools: '[data-container=\"discussion-tools\"]',\n            item: '[data-region=\"discussion-list-item\"]',\n            lockedLabel: \"[data-region='locked-label']\",\n            subscribedLabel: \"[data-region='subscribed-label']\",\n            timedLabel: \"[data-region='timed-label']\",\n        },\n    };\n});\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../src/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Common CSS selectors for the forum UI.\n *\n * @module     mod_forum/selectors\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        subscription: {\n            toggle: \"[data-type='subscription-toggle'][data-action='toggle']\",\n        },\n        summary: {\n            actions: \"[data-container='discussion-summary-actions']\"\n        },\n        post: {\n            post: '[data-region=\"post\"]',\n            action: '[data-region=\"post-action\"]',\n            actionsContainer: '[data-region=\"post-actions-container\"]',\n            authorName: '[data-region=\"author-name\"]',\n            forumCoreContent: \"[data-region-content='forum-post-core']\",\n            forumContent: \"[data-content='forum-post']\",\n            forumSubject: \"[data-region-content='forum-post-core-subject']\",\n            inpageReplyButton: \"button\",\n            inpageReplyLink: \"[data-action='collapsible-link']\",\n            inpageReplyCancelButton: \"[data-action='cancel-inpage-reply']\",\n            inpageReplyCreateButton: \"[data-action='create-inpage-reply']\",\n            inpageReplyContainer: '[data-region=\"inpage-reply-container\"]',\n            inpageReplyContent: \"[data-content='inpage-reply-content']\",\n            inpageReplyForm: \"form[data-content='inpage-reply-form']\",\n            inpageSubmitBtn: \"[data-action='forum-inpage-submit']\",\n            inpageSubmitBtnText: \"[data-region='submit-text']\",\n            loadingIconContainer: \"[data-region='loading-icon-container']\",\n            repliesContainer: \"[data-region='replies-container']\",\n            replyCount: '[data-region=\"reply-count\"]',\n            modeSelect: \"select[name='mode']\",\n            showReplies: '[data-action=\"show-replies\"]',\n            hideReplies: '[data-action=\"hide-replies\"]',\n            repliesVisibilityToggleContainer: '[data-region=\"replies-visibility-toggle-container\"]'\n        },\n        lock: {\n            toggle: \"[data-action='toggle'][data-type='lock-toggle']\",\n            icon: \"[data-region='locked-icon']\"\n        },\n        favourite: {\n            toggle: \"[data-type='favorite-toggle'][data-action='toggle']\",\n        },\n        pin: {\n            toggle: \"[data-type='pin-toggle'][data-action='toggle']\",\n        },\n        discussion: {\n            tools: '[data-container=\"discussion-tools\"]',\n            item: '[data-region=\"discussion-list-item\"]',\n            lockedLabel: \"[data-region='locked-label']\",\n            subscribedLabel: \"[data-region='subscribed-label']\",\n            timedLabel: \"[data-region='timed-label']\",\n        },\n    };\n});\n"],"names":["define","subscription","toggle","summary","actions","post","action","actionsContainer","authorName","forumCoreContent","forumContent","forumSubject","inpageReplyButton","inpageReplyLink","inpageReplyCancelButton","inpageReplyCreateButton","inpageReplyContainer","inpageReplyContent","inpageReplyForm","inpageSubmitBtn","inpageSubmitBtnText","loadingIconContainer","repliesContainer","replyCount","modeSelect","showReplies","hideReplies","repliesVisibilityToggleContainer","lock","icon","favourite","pin","discussion","tools","item","lockedLabel","subscribedLabel","timedLabel"],"mappings":";;;;;;;;AAuBAA,6BAAO,IAAI,iBACA,CACHC,aAAc,CACVC,OAAQ,2DAEZC,QAAS,CACLC,QAAS,iDAEbC,KAAM,CACFA,KAAM,uBACNC,OAAQ,8BACRC,iBAAkB,yCAClBC,WAAY,8BACZC,iBAAkB,0CAClBC,aAAc,8BACdC,aAAc,kDACdC,kBAAmB,SACnBC,gBAAiB,mCACjBC,wBAAyB,sCACzBC,wBAAyB,sCACzBC,qBAAsB,yCACtBC,mBAAoB,wCACpBC,gBAAiB,yCACjBC,gBAAiB,sCACjBC,oBAAqB,8BACrBC,qBAAsB,yCACtBC,iBAAkB,oCAClBC,WAAY,8BACZC,WAAY,sBACZC,YAAa,+BACbC,YAAa,+BACbC,iCAAkC,uDAEtCC,KAAM,CACF1B,OAAQ,kDACR2B,KAAM,+BAEVC,UAAW,CACP5B,OAAQ,uDAEZ6B,IAAK,CACD7B,OAAQ,kDAEZ8B,WAAY,CACRC,MAAO,sCACPC,KAAM,uCACNC,YAAa,+BACbC,gBAAiB,mCACjBC,WAAY"}
\ No newline at end of file
diff --git a/mod/forum/amd/build/subscription_toggle.min.js b/mod/forum/amd/build/subscription_toggle.min.js
index 0b48bd4343e..e9d4cc58933 100644
--- a/mod/forum/amd/build/subscription_toggle.min.js
+++ b/mod/forum/amd/build/subscription_toggle.min.js
@@ -1,2 +1,12 @@
-define ("mod_forum/subscription_toggle",["jquery","core/templates","core/notification","mod_forum/repository","mod_forum/selectors","core/pubsub","mod_forum/forum_events"],function(a,b,c,d,e,f,g){return{init:function registerEventListeners(b,h,i){b.on("click",e.subscription.toggle,function(b){var e=a(this),j=e.data("forumid"),k=e.data("discussionid"),l=e.data("targetstate");d.setDiscussionSubscriptionState(j,k,l).then(function(a){f.publish(g.SUBSCRIPTION_TOGGLED,{discussionId:k,subscriptionState:l});return i(e,a)}).catch(c.exception);if(h){b.preventDefault()}})}}});
-//# sourceMappingURL=subscription_toggle.min.js.map
+/**
+ * Handle discussion subscription toggling on a discussion list in
+ * the forum view.
+ *
+ * @module     mod_forum/subscription_toggle
+ * @package    mod_forum
+ * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_forum/subscription_toggle",["jquery","core/templates","core/notification","mod_forum/repository","mod_forum/selectors","core/pubsub","mod_forum/forum_events"],(function($,Templates,Notification,Repository,Selectors,PubSub,ForumEvents){return{init:function(root,preventDefault,callback){root.on("click",Selectors.subscription.toggle,(function(e){var toggleElement=$(this),forumId=toggleElement.data("forumid"),discussionId=toggleElement.data("discussionid"),subscriptionState=toggleElement.data("targetstate");Repository.setDiscussionSubscriptionState(forumId,discussionId,subscriptionState).then((function(context){return PubSub.publish(ForumEvents.SUBSCRIPTION_TOGGLED,{discussionId:discussionId,subscriptionState:subscriptionState}),callback(toggleElement,context)})).catch(Notification.exception),preventDefault&&e.preventDefault()}))}}}));
+
+//# sourceMappingURL=subscription_toggle.min.js.map
\ No newline at end of file
diff --git a/mod/forum/amd/build/subscription_toggle.min.js.map b/mod/forum/amd/build/subscription_toggle.min.js.map
index d48c526eff9..e352f727c92 100644
--- a/mod/forum/amd/build/subscription_toggle.min.js.map
+++ b/mod/forum/amd/build/subscription_toggle.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/subscription_toggle.js"],"names":["define","$","Templates","Notification","Repository","Selectors","PubSub","ForumEvents","init","registerEventListeners","root","preventDefault","callback","on","subscription","toggle","e","toggleElement","forumId","data","discussionId","subscriptionState","setDiscussionSubscriptionState","then","context","publish","SUBSCRIPTION_TOGGLED","catch","exception"],"mappings":"AAwBAA,OAAM,iCAAC,CACC,QADD,CAEC,gBAFD,CAGC,mBAHD,CAIC,sBAJD,CAKC,qBALD,CAMC,aAND,CAOC,wBAPD,CAAD,CAQC,SACCC,CADD,CAECC,CAFD,CAGCC,CAHD,CAICC,CAJD,CAKCC,CALD,CAMCC,CAND,CAOCC,CAPD,CAQD,CAgCF,MAAO,CACHC,IAAI,CAxBqB,QAAzBC,CAAAA,sBAAyB,CAASC,CAAT,CAAeC,CAAf,CAA+BC,CAA/B,CAAyC,CAClEF,CAAI,CAACG,EAAL,CAAQ,OAAR,CAAiBR,CAAS,CAACS,YAAV,CAAuBC,MAAxC,CAAgD,SAASC,CAAT,CAAY,IACpDC,CAAAA,CAAa,CAAGhB,CAAC,CAAC,IAAD,CADmC,CAEpDiB,CAAO,CAAGD,CAAa,CAACE,IAAd,CAAmB,SAAnB,CAF0C,CAGpDC,CAAY,CAAGH,CAAa,CAACE,IAAd,CAAmB,cAAnB,CAHqC,CAIpDE,CAAiB,CAAGJ,CAAa,CAACE,IAAd,CAAmB,aAAnB,CAJgC,CAMxDf,CAAU,CAACkB,8BAAX,CAA0CJ,CAA1C,CAAmDE,CAAnD,CAAiEC,CAAjE,EACKE,IADL,CACU,SAASC,CAAT,CAAkB,CACpBlB,CAAM,CAACmB,OAAP,CAAelB,CAAW,CAACmB,oBAA3B,CAAiD,CAC7CN,YAAY,CAAEA,CAD+B,CAE7CC,iBAAiB,CAAEA,CAF0B,CAAjD,EAIA,MAAOT,CAAAA,CAAQ,CAACK,CAAD,CAAgBO,CAAhB,CAClB,CAPL,EAQKG,KARL,CAQWxB,CAAY,CAACyB,SARxB,EAUA,GAAIjB,CAAJ,CAAoB,CAChBK,CAAC,CAACL,cAAF,EACH,CACJ,CAnBD,CAoBH,CAEM,CAGV,CAnDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle discussion subscription toggling on a discussion list in\n * the forum view.\n *\n * @module     mod_forum/subscription_toggle\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'mod_forum/repository',\n        'mod_forum/selectors',\n        'core/pubsub',\n        'mod_forum/forum_events',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Repository,\n        Selectors,\n        PubSub,\n        ForumEvents\n    ) {\n\n    /**\n     * Register event listeners for the subscription toggle.\n     *\n     * @param {object} root The discussion list root element\n     * @param {boolean} preventDefault Should the default action of the event be prevented\n     * @param {function} callback Success callback\n     */\n    var registerEventListeners = function(root, preventDefault, callback) {\n        root.on('click', Selectors.subscription.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var subscriptionState = toggleElement.data('targetstate');\n\n            Repository.setDiscussionSubscriptionState(forumId, discussionId, subscriptionState)\n                .then(function(context) {\n                    PubSub.publish(ForumEvents.SUBSCRIPTION_TOGGLED, {\n                        discussionId: discussionId,\n                        subscriptionState: subscriptionState\n                    });\n                    return callback(toggleElement, context);\n                })\n                .catch(Notification.exception);\n\n            if (preventDefault) {\n                e.preventDefault();\n            }\n        });\n    };\n\n    return {\n        init: registerEventListeners\n    };\n});\n"],"file":"subscription_toggle.min.js"}
\ No newline at end of file
+{"version":3,"file":"subscription_toggle.min.js","sources":["../src/subscription_toggle.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handle discussion subscription toggling on a discussion list in\n * the forum view.\n *\n * @module     mod_forum/subscription_toggle\n * @package    mod_forum\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n        'jquery',\n        'core/templates',\n        'core/notification',\n        'mod_forum/repository',\n        'mod_forum/selectors',\n        'core/pubsub',\n        'mod_forum/forum_events',\n    ], function(\n        $,\n        Templates,\n        Notification,\n        Repository,\n        Selectors,\n        PubSub,\n        ForumEvents\n    ) {\n\n    /**\n     * Register event listeners for the subscription toggle.\n     *\n     * @param {object} root The discussion list root element\n     * @param {boolean} preventDefault Should the default action of the event be prevented\n     * @param {function} callback Success callback\n     */\n    var registerEventListeners = function(root, preventDefault, callback) {\n        root.on('click', Selectors.subscription.toggle, function(e) {\n            var toggleElement = $(this);\n            var forumId = toggleElement.data('forumid');\n            var discussionId = toggleElement.data('discussionid');\n            var subscriptionState = toggleElement.data('targetstate');\n\n            Repository.setDiscussionSubscriptionState(forumId, discussionId, subscriptionState)\n                .then(function(context) {\n                    PubSub.publish(ForumEvents.SUBSCRIPTION_TOGGLED, {\n                        discussionId: discussionId,\n                        subscriptionState: subscriptionState\n                    });\n                    return callback(toggleElement, context);\n                })\n                .catch(Notification.exception);\n\n            if (preventDefault) {\n                e.preventDefault();\n            }\n        });\n    };\n\n    return {\n        init: registerEventListeners\n    };\n});\n"],"names":["define","$","Templates","Notification","Repository","Selectors","PubSub","ForumEvents","init","root","preventDefault","callback","on","subscription","toggle","e","toggleElement","this","forumId","data","discussionId","subscriptionState","setDiscussionSubscriptionState","then","context","publish","SUBSCRIPTION_TOGGLED","catch","exception"],"mappings":";;;;;;;;;AAwBAA,uCAAO,CACC,SACA,iBACA,oBACA,uBACA,sBACA,cACA,2BACD,SACCC,EACAC,UACAC,aACAC,WACAC,UACAC,OACAC,mBAiCG,CACHC,KAxByB,SAASC,KAAMC,eAAgBC,UACxDF,KAAKG,GAAG,QAASP,UAAUQ,aAAaC,QAAQ,SAASC,OACjDC,cAAgBf,EAAEgB,MAClBC,QAAUF,cAAcG,KAAK,WAC7BC,aAAeJ,cAAcG,KAAK,gBAClCE,kBAAoBL,cAAcG,KAAK,eAE3Cf,WAAWkB,+BAA+BJ,QAASE,aAAcC,mBAC5DE,MAAK,SAASC,gBACXlB,OAAOmB,QAAQlB,YAAYmB,qBAAsB,CAC7CN,aAAcA,aACdC,kBAAmBA,oBAEhBV,SAASK,cAAeQ,YAElCG,MAAMxB,aAAayB,WAEpBlB,gBACAK,EAAEL"}
\ No newline at end of file
diff --git a/mod/forum/report/summary/amd/build/filters.min.js b/mod/forum/report/summary/amd/build/filters.min.js
index c2fdef94765..7f1e12adf9b 100644
--- a/mod/forum/report/summary/amd/build/filters.min.js
+++ b/mod/forum/report/summary/amd/build/filters.min.js
@@ -1,2 +1,11 @@
-define ("forumreport_summary/filters",["exports","jquery","core/popper","core/custom_interaction_events","forumreport_summary/selectors","core/yui","core/ajax","core/key_codes"],function(a,b,c,d,e,f,g,h){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=i(b);c=i(c);d=i(d);e=i(e);f=i(f);g=i(g);h=i(h);function i(a){return a&&a.__esModule?a:{default:a}}var j=function(a){var i=(0,b.default)(a);(0,b.default)(document).ready(function(){(0,b.default)(".loading-icon").hide();(0,b.default)("#summaryreport").removeClass("hidden")});var j=function(a,b){var c=document.forms.filtersform.action,d;if(a){a.preventDefault();var e=c.split("?"),f=e[1],g=b.split("&"),h="",i=[],j=[];f.split("&").forEach(function(a){var b=a.split("=");i.push(b[0]);j.push(b[1])});g.forEach(function(a){var b=a.split("="),c=i.indexOf(b[0]);if(-1<c){j[c]=b[1]}else{i.push(b[0]);j.push(b[1])}});i.forEach(function(a,b){h+="&".concat(a,"=").concat(j[b])});d=e[0]+"?"+h.substr(1)}else{d=c}document.forms.filtersform.action=d;document.forms.filtersform.submit()};(0,b.default)(".resettable").on("click","a",function(a){j(a,a.target.search.substr(1))});(0,b.default)("thead").on("click","a",function(a){j(a,a.target.search.substr(1))});(0,b.default)(".pagination").on("click","a",function(a){j(a,a.target.search.substr(1))});if(document.forms.selectperpage){document.forms.selectperpage.onsubmit=function(a){var b="perpage="+document.forms.selectperpage.elements.perpage.value;j(a,b)}}var k=document.getElementById("summaryreport").querySelector("form.dataformatselector");if(k){k.onsubmit=function(a){var b=k.querySelector("#downloadtype_download").value,c="download=".concat(b),d=document.forms.filtersform.action;j(a,c);document.forms.filtersform.action=d}}var l=function(a){f.default.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.reset_form_dirty_state()});(0,b.default)(a).addClass("hidden");j(!1)},m=function(a){var b=document.querySelector(a),d=document.querySelector(e.default.filters.date.calendar);d.style.removeProperty("z-index");new c.default(b,d,{placement:"bottom"})},n=function(a,b){b.classList.add("hidden");b.setAttribute("data-openfilter","false");a.classList.add("btn-primary");a.classList.remove("btn-outline-primary");a.setAttribute("aria-expanded",!1)};i.on(d.default.events.activate,e.default.filters.group.selectall,function(){var b=a.querySelectorAll(e.default.filters.group.checkbox+":not(:checked)");b.forEach(function(a){a.checked=!0})});i.on(d.default.events.activate,e.default.filters.group.clear,function(){var b=a.querySelectorAll(e.default.filters.group.checkbox+":checked");b.forEach(function(a){a.checked=!1})});i.on(d.default.events.activate,e.default.filters.group.trigger,function(){var b=a.querySelector(e.default.filters.group.trigger),d=a.querySelector(e.default.filters.group.popover);new c.default(b,d,{placement:"bottom"});d.classList.remove("hidden");d.setAttribute("data-openfilter","true");b.classList.add("btn-outline-primary");b.classList.remove("btn-primary");b.setAttribute("aria-expanded",!0);var f=function(a){if(a.target.id!==b.id&&d!==a.target.closest("[data-openfilter=\"true\"]")&&("undefined"==typeof a.keyCode||a.keyCode===h.default.enter||a.keyCode===h.default.space)){n(b,d);document.removeEventListener("click",f);document.removeEventListener("keyup",f);document.removeEventListener("keyup",g)}};document.addEventListener("click",f);document.addEventListener("keyup",f);var g=function(a){if(a.keyCode===h.default.escape){n(b,d);document.removeEventListener("keyup",g);document.removeEventListener("click",f)}};document.addEventListener("keyup",g)});i.on(d.default.events.activate,e.default.filters.group.save,function(){var b=a.querySelectorAll(e.default.filters.group.checkbox);b.forEach(function(a){var b=document.forms.filtersform,c=a.getAttribute("data-saveid");b.querySelector("#".concat(c)).checked=a.checked});l("#filter-groups-popover")});document.querySelectorAll(e.default.filters.exportlink.link).forEach(function(a){a.addEventListener("click",function(a){document.forms.exportlinkform.action=a.target.dataset.url;document.forms.exportlinkform.submit()})});i.on(d.default.events.activate,e.default.filters.date.trigger,function(){var b=a.querySelector(e.default.filters.date.trigger),d=a.querySelector(e.default.filters.date.popover);new c.default(b,d,{placement:"bottom"});d.classList.remove("hidden");d.setAttribute("data-openfilter","true");d.querySelector("[name=\"filterdatefrompopover[enabled]\"]").focus();b.classList.add("btn-outline-primary");b.classList.remove("btn-primary");b.setAttribute("aria-expanded",!0);var f=function(a){if(a.target.id!==b.id&&d!==a.target.closest("[data-openfilter=\"true\"]")&&("undefined"==typeof a.keyCode||a.keyCode===h.default.enter||a.keyCode===h.default.space)){n(b,d);document.removeEventListener("click",f);document.removeEventListener("keyup",f);document.removeEventListener("keyup",g)}};document.addEventListener("click",f);document.addEventListener("keyup",f);var g=function(a){if(a.keyCode===h.default.escape){n(b,d);document.removeEventListener("keyup",g);document.removeEventListener("click",f)}};document.addEventListener("keyup",g)});i.on(d.default.events.activate,e.default.filters.date.save,function(){var b=document.forms.filtersform,c=a.querySelector(e.default.filters.date.popover),d=c.querySelector("[name=\"filterdatefrompopover[enabled]\"]").checked?1:0,f=c.querySelector("[name=\"filterdatetopopover[enabled]\"]").checked?1:0;if(!d&&!f){b.elements["datefrom[timestamp]"].value=0;b.elements["datefrom[enabled]"].value=d;b.elements["dateto[timestamp]"].value=0;b.elements["dateto[enabled]"].value=f;l("#filter-dates-popover")}else{var h={data:[]};if(d){h.data.push({key:"from",year:c.querySelector("[name=\"filterdatefrompopover[year]\"]").value,month:c.querySelector("[name=\"filterdatefrompopover[month]\"]").value,day:c.querySelector("[name=\"filterdatefrompopover[day]\"]").value,hour:0,minute:0})}if(f){h.data.push({key:"to",year:c.querySelector("[name=\"filterdatetopopover[year]\"]").value,month:c.querySelector("[name=\"filterdatetopopover[month]\"]").value,day:c.querySelector("[name=\"filterdatetopopover[day]\"]").value,hour:23,minute:59})}g.default.call([{methodname:"core_calendar_get_timestamps",args:h}])[0].done(function(a){var c=0,e=0;a.timestamps.forEach(function(a){if("from"===a.key){c=a.timestamp}else if("to"===a.key){e=a.timestamp}});if(0<e&&c>e){var g=document.getElementById("dates-filter-warning");g.classList.remove("hidden");g.classList.add("d-block")}else{b.elements["datefrom[timestamp]"].value=c;b.elements["datefrom[enabled]"].value=d;b.elements["dateto[timestamp]"].value=e;b.elements["dateto[enabled]"].value=f;l("#filter-dates-popover")}})}});i.on(d.default.events.activate,e.default.filters.date.calendariconfrom,function(){m(e.default.filters.date.calendariconfrom)});i.on(d.default.events.activate,e.default.filters.date.calendariconto,function(){m(e.default.filters.date.calendariconto)})};a.init=j});
-//# sourceMappingURL=filters.min.js.map
+define("forumreport_summary/filters",["exports","jquery","core/popper","core/custom_interaction_events","forumreport_summary/selectors","core/yui","core/ajax","core/key_codes"],(function(_exports,_jquery,_popper,_custom_interaction_events,_selectors,_yui,_ajax,_key_codes){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Module responsible for handling forum summary report filters.
+   *
+   * @module     forumreport_summary/filters
+   * @package    forumreport_summary
+   * @copyright  2019 Michael Hawkins <michaelh@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_jquery=_interopRequireDefault(_jquery),_popper=_interopRequireDefault(_popper),_custom_interaction_events=_interopRequireDefault(_custom_interaction_events),_selectors=_interopRequireDefault(_selectors),_yui=_interopRequireDefault(_yui),_ajax=_interopRequireDefault(_ajax),_key_codes=_interopRequireDefault(_key_codes);_exports.init=function(root){var jqRoot=(0,_jquery.default)(root);(0,_jquery.default)(document).ready((function(){(0,_jquery.default)(".loading-icon").hide(),(0,_jquery.default)("#summaryreport").removeClass("hidden")}));var generateWithFilters=function(event,getparams){var newLink,currentLink=document.forms.filtersform.action;if(event){event.preventDefault();var currentSplit=currentLink.split("?"),currentstring=currentSplit[1],newparamsarray=getparams.split("&"),paramsstring="",paramkeys=[],paramvalues=[];currentstring.split("&").forEach((function(param){var splitparam=param.split("=");paramkeys.push(splitparam[0]),paramvalues.push(splitparam[1])})),newparamsarray.forEach((function(paramstring){var newparam=paramstring.split("="),existingkey=paramkeys.indexOf(newparam[0]);existingkey>-1?paramvalues[existingkey]=newparam[1]:(paramkeys.push(newparam[0]),paramvalues.push(newparam[1]))})),paramkeys.forEach((function(name,key){paramsstring+="&".concat(name,"=").concat(paramvalues[key])})),newLink=currentSplit[0]+"?"+paramsstring.substr(1)}else newLink=currentLink;document.forms.filtersform.action=newLink,document.forms.filtersform.submit()};(0,_jquery.default)(".resettable").on("click","a",(function(event){generateWithFilters(event,event.target.search.substr(1))})),(0,_jquery.default)("thead").on("click","a",(function(event){generateWithFilters(event,event.target.search.substr(1))})),(0,_jquery.default)(".pagination").on("click","a",(function(event){generateWithFilters(event,event.target.search.substr(1))})),document.forms.selectperpage&&(document.forms.selectperpage.onsubmit=function(event){var getparam="perpage="+document.forms.selectperpage.elements.perpage.value;generateWithFilters(event,getparam)});var downloadForm=document.getElementById("summaryreport").querySelector("form.dataformatselector");downloadForm&&(downloadForm.onsubmit=function(event){var downloadType=downloadForm.querySelector("#downloadtype_download").value,getParams="download=".concat(downloadType),prevAction=document.forms.filtersform.action;generateWithFilters(event,getParams),document.forms.filtersform.action=prevAction});var submitWithFilter=function(containerelement){_yui.default.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.reset_form_dirty_state()})),(0,_jquery.default)(containerelement).addClass("hidden"),generateWithFilters(!1)},updateCalendarPosition=function(referenceid){var referenceElement=document.querySelector(referenceid),popperContent=document.querySelector(_selectors.default.filters.date.calendar);popperContent.style.removeProperty("z-index"),new _popper.default(referenceElement,popperContent,{placement:"bottom"})},closeOpenFilters=function(openFilterButton,openFilter){openFilter.classList.add("hidden"),openFilter.setAttribute("data-openfilter","false"),openFilterButton.classList.add("btn-primary"),openFilterButton.classList.remove("btn-outline-primary"),openFilterButton.setAttribute("aria-expanded",!1)};jqRoot.on(_custom_interaction_events.default.events.activate,_selectors.default.filters.group.selectall,(function(){root.querySelectorAll(_selectors.default.filters.group.checkbox+":not(:checked)").forEach((function(checkbox){checkbox.checked=!0}))})),jqRoot.on(_custom_interaction_events.default.events.activate,_selectors.default.filters.group.clear,(function(){root.querySelectorAll(_selectors.default.filters.group.checkbox+":checked").forEach((function(checkbox){checkbox.checked=!1}))})),jqRoot.on(_custom_interaction_events.default.events.activate,_selectors.default.filters.group.trigger,(function(){var referenceElement=root.querySelector(_selectors.default.filters.group.trigger),popperContent=root.querySelector(_selectors.default.filters.group.popover);new _popper.default(referenceElement,popperContent,{placement:"bottom"}),popperContent.classList.remove("hidden"),popperContent.setAttribute("data-openfilter","true"),referenceElement.classList.add("btn-outline-primary"),referenceElement.classList.remove("btn-primary"),referenceElement.setAttribute("aria-expanded",!0);var closeListener=function closeListener(e){e.target.id===referenceElement.id||popperContent===e.target.closest('[data-openfilter="true"]')||void 0!==e.keyCode&&e.keyCode!==_key_codes.default.enter&&e.keyCode!==_key_codes.default.space||(closeOpenFilters(referenceElement,popperContent),document.removeEventListener("click",closeListener),document.removeEventListener("keyup",closeListener),document.removeEventListener("keyup",escCloseListener))};document.addEventListener("click",closeListener),document.addEventListener("keyup",closeListener);var escCloseListener=function escCloseListener(e){e.keyCode===_key_codes.default.escape&&(closeOpenFilters(referenceElement,popperContent),document.removeEventListener("keyup",escCloseListener),document.removeEventListener("click",closeListener))};document.addEventListener("keyup",escCloseListener)})),jqRoot.on(_custom_interaction_events.default.events.activate,_selectors.default.filters.group.save,(function(){root.querySelectorAll(_selectors.default.filters.group.checkbox).forEach((function(popcheckbox){var filtersform=document.forms.filtersform,saveid=popcheckbox.getAttribute("data-saveid");filtersform.querySelector("#".concat(saveid)).checked=popcheckbox.checked})),submitWithFilter("#filter-groups-popover")})),document.querySelectorAll(_selectors.default.filters.exportlink.link).forEach((function(exportbutton){exportbutton.addEventListener("click",(function(event){document.forms.exportlinkform.action=event.target.dataset.url,document.forms.exportlinkform.submit()}))})),jqRoot.on(_custom_interaction_events.default.events.activate,_selectors.default.filters.date.trigger,(function(){var referenceElement=root.querySelector(_selectors.default.filters.date.trigger),popperContent=root.querySelector(_selectors.default.filters.date.popover);new _popper.default(referenceElement,popperContent,{placement:"bottom"}),popperContent.classList.remove("hidden"),popperContent.setAttribute("data-openfilter","true"),popperContent.querySelector('[name="filterdatefrompopover[enabled]"]').focus(),referenceElement.classList.add("btn-outline-primary"),referenceElement.classList.remove("btn-primary"),referenceElement.setAttribute("aria-expanded",!0);var closeListener=function closeListener(e){e.target.id===referenceElement.id||popperContent===e.target.closest('[data-openfilter="true"]')||void 0!==e.keyCode&&e.keyCode!==_key_codes.default.enter&&e.keyCode!==_key_codes.default.space||(closeOpenFilters(referenceElement,popperContent),document.removeEventListener("click",closeListener),document.removeEventListener("keyup",closeListener),document.removeEventListener("keyup",escCloseListener))};document.addEventListener("click",closeListener),document.addEventListener("keyup",closeListener);var escCloseListener=function escCloseListener(e){e.keyCode===_key_codes.default.escape&&(closeOpenFilters(referenceElement,popperContent),document.removeEventListener("keyup",escCloseListener),document.removeEventListener("click",closeListener))};document.addEventListener("keyup",escCloseListener)})),jqRoot.on(_custom_interaction_events.default.events.activate,_selectors.default.filters.date.save,(function(){var filtersForm=document.forms.filtersform,datesPopover=root.querySelector(_selectors.default.filters.date.popover),fromEnabled=datesPopover.querySelector('[name="filterdatefrompopover[enabled]"]').checked?1:0,toEnabled=datesPopover.querySelector('[name="filterdatetopopover[enabled]"]').checked?1:0;if(fromEnabled||toEnabled){var args={data:[]};fromEnabled&&args.data.push({key:"from",year:datesPopover.querySelector('[name="filterdatefrompopover[year]"]').value,month:datesPopover.querySelector('[name="filterdatefrompopover[month]"]').value,day:datesPopover.querySelector('[name="filterdatefrompopover[day]"]').value,hour:0,minute:0}),toEnabled&&args.data.push({key:"to",year:datesPopover.querySelector('[name="filterdatetopopover[year]"]').value,month:datesPopover.querySelector('[name="filterdatetopopover[month]"]').value,day:datesPopover.querySelector('[name="filterdatetopopover[day]"]').value,hour:23,minute:59});var request={methodname:"core_calendar_get_timestamps",args:args};_ajax.default.call([request])[0].done((function(result){var fromTimestamp=0,toTimestamp=0;if(result.timestamps.forEach((function(data){"from"===data.key?fromTimestamp=data.timestamp:"to"===data.key&&(toTimestamp=data.timestamp)})),toTimestamp>0&&fromTimestamp>toTimestamp){var warningdiv=document.getElementById("dates-filter-warning");warningdiv.classList.remove("hidden"),warningdiv.classList.add("d-block")}else filtersForm.elements["datefrom[timestamp]"].value=fromTimestamp,filtersForm.elements["datefrom[enabled]"].value=fromEnabled,filtersForm.elements["dateto[timestamp]"].value=toTimestamp,filtersForm.elements["dateto[enabled]"].value=toEnabled,submitWithFilter("#filter-dates-popover")}))}else filtersForm.elements["datefrom[timestamp]"].value=0,filtersForm.elements["datefrom[enabled]"].value=fromEnabled,filtersForm.elements["dateto[timestamp]"].value=0,filtersForm.elements["dateto[enabled]"].value=toEnabled,submitWithFilter("#filter-dates-popover")})),jqRoot.on(_custom_interaction_events.default.events.activate,_selectors.default.filters.date.calendariconfrom,(function(){updateCalendarPosition(_selectors.default.filters.date.calendariconfrom)})),jqRoot.on(_custom_interaction_events.default.events.activate,_selectors.default.filters.date.calendariconto,(function(){updateCalendarPosition(_selectors.default.filters.date.calendariconto)}))}}));
+
+//# sourceMappingURL=filters.min.js.map
\ No newline at end of file
diff --git a/mod/forum/report/summary/amd/build/filters.min.js.map b/mod/forum/report/summary/amd/build/filters.min.js.map
index b8b9a858ede..1eac082cff9 100644
--- a/mod/forum/report/summary/amd/build/filters.min.js.map
+++ b/mod/forum/report/summary/amd/build/filters.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module responsible for handling forum summary report filters.\n *\n * @module     forumreport_summary/filters\n * @package    forumreport_summary\n * @copyright  2019 Michael Hawkins <michaelh@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Popper from 'core/popper';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Selectors from 'forumreport_summary/selectors';\nimport Y from 'core/yui';\nimport Ajax from 'core/ajax';\nimport KeyCodes from 'core/key_codes';\n\nexport const init = (root) => {\n    let jqRoot = $(root);\n\n    // Hide loading spinner and show report once page is ready.\n    // This ensures filters can be applied when sorting by columns.\n    $(document).ready(function() {\n        $('.loading-icon').hide();\n        $('#summaryreport').removeClass('hidden');\n    });\n\n    // Generic filter handlers.\n\n    // Called to override click event to trigger a proper generate request with filtering.\n    const generateWithFilters = (event, getparams) => {\n        let currentLink = document.forms.filtersform.action,\n            newLink;\n\n        if (event) {\n            event.preventDefault();\n\n           let currentSplit = currentLink.split('?'),\n               currentstring = currentSplit[1],\n               newparamsarray = getparams.split('&'),\n               paramsstring = '',\n               paramkeys = [],\n               paramvalues = [];\n\n            // Separate out the existing action GET param string.\n            currentstring.split('&').forEach(function(param) {\n                let splitparam = param.split('=');\n                paramkeys.push(splitparam[0]);\n                paramvalues.push(splitparam[1]);\n            });\n\n            newparamsarray.forEach(function(paramstring) {\n                let newparam = paramstring.split('='),\n                    existingkey = paramkeys.indexOf(newparam[0]);\n\n                // Overwrite value if existing, otherwise add new param.\n                if (existingkey > -1) {\n                    paramvalues[existingkey] = newparam[1];\n                } else {\n                    paramkeys.push(newparam[0]);\n                    paramvalues.push(newparam[1]);\n                }\n            });\n\n            // Build URL.\n            paramkeys.forEach(function(name, key) {\n                paramsstring += `&${name}=${paramvalues[key]}`;\n            });\n\n            newLink = currentSplit[0] + '?' + paramsstring.substr(1);\n        } else {\n            newLink = currentLink;\n        }\n\n        document.forms.filtersform.action = newLink;\n        document.forms.filtersform.submit();\n    };\n\n    // Override 'reset table preferences' so it generates with filters.\n    $('.resettable').on(\"click\", \"a\", function(event) {\n        generateWithFilters(event, event.target.search.substr(1));\n    });\n\n    // Override table heading sort links so they generate with filters.\n    $('thead').on(\"click\", \"a\", function(event) {\n        generateWithFilters(event, event.target.search.substr(1));\n    });\n\n    // Override pagination page links so they generate with filters.\n    $('.pagination').on(\"click\", \"a\", function(event) {\n        generateWithFilters(event, event.target.search.substr(1));\n    });\n\n    // Override rows per page submission so it generates with filters.\n    if (document.forms.selectperpage) {\n        document.forms.selectperpage.onsubmit = (event) => {\n            let getparam = 'perpage=' + document.forms.selectperpage.elements.perpage.value;\n            generateWithFilters(event, getparam);\n        };\n    }\n\n    // Override download link so the file is generated with filters.\n    const downloadForm = document.getElementById('summaryreport').querySelector('form.dataformatselector');\n    if (downloadForm) {\n        downloadForm.onsubmit = (event) => {\n            const downloadType = downloadForm.querySelector('#downloadtype_download').value;\n            const getParams = `download=${downloadType}`;\n            const prevAction = document.forms.filtersform.action;\n\n            generateWithFilters(event, getParams);\n\n            // Revert action, so re-submitting the form via filter does not trigger a further download.\n            document.forms.filtersform.action = prevAction;\n        };\n    }\n\n    // Submit report via filter\n    const submitWithFilter = (containerelement) => {\n        // Disable the dates filter mform checker to prevent any changes triggering a warning to the user.\n        Y.use('moodle-core-formchangechecker', function() {\n            M.core_formchangechecker.reset_form_dirty_state();\n        });\n\n        // Close the container (eg popover).\n        $(containerelement).addClass('hidden');\n\n        // Submit the filter values and re-generate report.\n        generateWithFilters(false);\n    };\n\n    // Use popper to override date mform calendar position.\n    const updateCalendarPosition = (referenceid) => {\n        let referenceElement = document.querySelector(referenceid),\n            popperContent = document.querySelector(Selectors.filters.date.calendar);\n\n        popperContent.style.removeProperty(\"z-index\");\n        new Popper(referenceElement, popperContent, {placement: 'bottom'});\n    };\n\n    // Close the relevant filter.\n    const closeOpenFilters = (openFilterButton, openFilter) => {\n        openFilter.classList.add('hidden');\n        openFilter.setAttribute('data-openfilter', 'false');\n\n        openFilterButton.classList.add('btn-primary');\n        openFilterButton.classList.remove('btn-outline-primary');\n        openFilterButton.setAttribute('aria-expanded', false);\n    };\n\n    // Groups filter specific handlers.\n\n    // Event handler for clicking select all groups.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.group.selectall, function() {\n        let deselected = root.querySelectorAll(Selectors.filters.group.checkbox + ':not(:checked)');\n        deselected.forEach(function(checkbox) {\n            checkbox.checked = true;\n        });\n    });\n\n    // Event handler for clearing filter by clicking option.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.group.clear, function() {\n        // Clear checkboxes.\n        let selected = root.querySelectorAll(Selectors.filters.group.checkbox + ':checked');\n        selected.forEach(function(checkbox) {\n            checkbox.checked = false;\n        });\n    });\n\n    // Event handler for showing groups filter popover.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.group.trigger, function() {\n        // Create popover.\n        let referenceElement = root.querySelector(Selectors.filters.group.trigger),\n            popperContent = root.querySelector(Selectors.filters.group.popover);\n\n        new Popper(referenceElement, popperContent, {placement: 'bottom'});\n\n        // Show popover.\n        popperContent.classList.remove('hidden');\n        popperContent.setAttribute('data-openfilter', 'true');\n\n        // Change to outlined button.\n        referenceElement.classList.add('btn-outline-primary');\n        referenceElement.classList.remove('btn-primary');\n\n        // Let screen readers know that it's now expanded.\n        referenceElement.setAttribute('aria-expanded', true);\n\n        // Add listeners to handle closing filter.\n        const closeListener = e => {\n            if (e.target.id !== referenceElement.id && popperContent !== e.target.closest('[data-openfilter=\"true\"]') &&\n                    (typeof e.keyCode === 'undefined' || e.keyCode === KeyCodes.enter || e.keyCode === KeyCodes.space)) {\n                closeOpenFilters(referenceElement, popperContent);\n                document.removeEventListener('click', closeListener);\n                document.removeEventListener('keyup', closeListener);\n                document.removeEventListener('keyup', escCloseListener);\n            }\n        };\n\n        document.addEventListener('click', closeListener);\n        document.addEventListener('keyup', closeListener);\n\n        const escCloseListener = e => {\n            if (e.keyCode === KeyCodes.escape) {\n                closeOpenFilters(referenceElement, popperContent);\n                document.removeEventListener('keyup', escCloseListener);\n                document.removeEventListener('click', closeListener);\n            }\n        };\n\n        document.addEventListener('keyup', escCloseListener);\n    });\n\n    // Event handler to click save groups filter.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.group.save, function() {\n        // Copy the saved values into the form before submitting.\n        let popcheckboxes = root.querySelectorAll(Selectors.filters.group.checkbox);\n\n        popcheckboxes.forEach(function(popcheckbox) {\n            let filtersform = document.forms.filtersform,\n                saveid = popcheckbox.getAttribute('data-saveid');\n\n            filtersform.querySelector(`#${saveid}`).checked = popcheckbox.checked;\n        });\n\n        submitWithFilter('#filter-groups-popover');\n    });\n\n    // Listeners for export buttons.\n    // These allow fetching of the relevant export URL, before submitting the request with\n    // any POST data that is common to all of the export links. This allows filters to be\n    // applied that contain potentially a lot of data (eg discussion IDs for groups filtering).\n    document.querySelectorAll(Selectors.filters.exportlink.link).forEach(function(exportbutton) {\n        exportbutton.addEventListener('click', function(event) {\n            document.forms.exportlinkform.action = event.target.dataset.url;\n            document.forms.exportlinkform.submit();\n        });\n    });\n\n    // Dates filter specific handlers.\n\n   // Event handler for showing dates filter popover.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.date.trigger, function() {\n\n        // Create popover.\n        let referenceElement = root.querySelector(Selectors.filters.date.trigger),\n            popperContent = root.querySelector(Selectors.filters.date.popover);\n\n        new Popper(referenceElement, popperContent, {placement: 'bottom'});\n\n        // Show popover and move focus.\n        popperContent.classList.remove('hidden');\n        popperContent.setAttribute('data-openfilter', 'true');\n        popperContent.querySelector('[name=\"filterdatefrompopover[enabled]\"]').focus();\n\n        // Change to outlined button.\n        referenceElement.classList.add('btn-outline-primary');\n        referenceElement.classList.remove('btn-primary');\n\n        // Let screen readers know that it's now expanded.\n        referenceElement.setAttribute('aria-expanded', true);\n\n        // Add listener to handle closing filter.\n        const closeListener = e => {\n            if (e.target.id !== referenceElement.id && popperContent !== e.target.closest('[data-openfilter=\"true\"]') &&\n                    (typeof e.keyCode === 'undefined' || e.keyCode === KeyCodes.enter || e.keyCode === KeyCodes.space)) {\n                closeOpenFilters(referenceElement, popperContent);\n                document.removeEventListener('click', closeListener);\n                document.removeEventListener('keyup', closeListener);\n                document.removeEventListener('keyup', escCloseListener);\n            }\n        };\n\n        document.addEventListener('click', closeListener);\n        document.addEventListener('keyup', closeListener);\n\n        const escCloseListener = e => {\n            if (e.keyCode === KeyCodes.escape) {\n                closeOpenFilters(referenceElement, popperContent);\n                document.removeEventListener('keyup', escCloseListener);\n                document.removeEventListener('click', closeListener);\n            }\n        };\n\n        document.addEventListener('keyup', escCloseListener);\n    });\n\n    // Event handler to save dates filter.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.date.save, function() {\n        // Populate the hidden form inputs to submit the data.\n        let filtersForm = document.forms.filtersform;\n        const datesPopover = root.querySelector(Selectors.filters.date.popover);\n        const fromEnabled = datesPopover.querySelector('[name=\"filterdatefrompopover[enabled]\"]').checked ? 1 : 0;\n        const toEnabled = datesPopover.querySelector('[name=\"filterdatetopopover[enabled]\"]').checked ? 1 : 0;\n\n        if (!fromEnabled && !toEnabled) {\n            // Update the elements in the filter form.\n            filtersForm.elements['datefrom[timestamp]'].value = 0;\n            filtersForm.elements['datefrom[enabled]'].value = fromEnabled;\n            filtersForm.elements['dateto[timestamp]'].value = 0;\n            filtersForm.elements['dateto[enabled]'].value = toEnabled;\n\n            // Submit the filter values and re-generate report.\n            submitWithFilter('#filter-dates-popover');\n        } else {\n            let args = {data: []};\n\n            if (fromEnabled) {\n                args.data.push({\n                    'key': 'from',\n                    'year': datesPopover.querySelector('[name=\"filterdatefrompopover[year]\"]').value,\n                    'month': datesPopover.querySelector('[name=\"filterdatefrompopover[month]\"]').value,\n                    'day': datesPopover.querySelector('[name=\"filterdatefrompopover[day]\"]').value,\n                    'hour': 0,\n                    'minute': 0\n                });\n            }\n\n            if (toEnabled) {\n                args.data.push({\n                    'key': 'to',\n                    'year': datesPopover.querySelector('[name=\"filterdatetopopover[year]\"]').value,\n                    'month': datesPopover.querySelector('[name=\"filterdatetopopover[month]\"]').value,\n                    'day': datesPopover.querySelector('[name=\"filterdatetopopover[day]\"]').value,\n                    'hour': 23,\n                    'minute': 59\n                });\n            }\n\n            const request = {\n                methodname: 'core_calendar_get_timestamps',\n                args: args\n            };\n\n            Ajax.call([request])[0].done(function(result) {\n                let fromTimestamp = 0,\n                    toTimestamp = 0;\n\n                result['timestamps'].forEach(function(data){\n                    if (data.key === 'from') {\n                        fromTimestamp = data.timestamp;\n                    } else if (data.key === 'to') {\n                        toTimestamp = data.timestamp;\n                    }\n                });\n\n                // Display an error if the from date is later than the do date.\n                if (toTimestamp > 0 && fromTimestamp > toTimestamp) {\n                    const warningdiv = document.getElementById('dates-filter-warning');\n                    warningdiv.classList.remove('hidden');\n                    warningdiv.classList.add('d-block');\n                } else {\n                    filtersForm.elements['datefrom[timestamp]'].value = fromTimestamp;\n                    filtersForm.elements['datefrom[enabled]'].value = fromEnabled;\n                    filtersForm.elements['dateto[timestamp]'].value = toTimestamp;\n                    filtersForm.elements['dateto[enabled]'].value = toEnabled;\n\n                    // Submit the filter values and re-generate report.\n                    submitWithFilter('#filter-dates-popover');\n                }\n            });\n        }\n    });\n\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.date.calendariconfrom, function() {\n        updateCalendarPosition(Selectors.filters.date.calendariconfrom);\n    });\n\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.date.calendariconto, function() {\n        updateCalendarPosition(Selectors.filters.date.calendariconto);\n    });\n};\n"],"file":"filters.min.js"}
\ No newline at end of file
+{"version":3,"file":"filters.min.js","sources":["../src/filters.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module responsible for handling forum summary report filters.\n *\n * @module     forumreport_summary/filters\n * @package    forumreport_summary\n * @copyright  2019 Michael Hawkins <michaelh@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport $ from 'jquery';\nimport Popper from 'core/popper';\nimport CustomEvents from 'core/custom_interaction_events';\nimport Selectors from 'forumreport_summary/selectors';\nimport Y from 'core/yui';\nimport Ajax from 'core/ajax';\nimport KeyCodes from 'core/key_codes';\n\nexport const init = (root) => {\n    let jqRoot = $(root);\n\n    // Hide loading spinner and show report once page is ready.\n    // This ensures filters can be applied when sorting by columns.\n    $(document).ready(function() {\n        $('.loading-icon').hide();\n        $('#summaryreport').removeClass('hidden');\n    });\n\n    // Generic filter handlers.\n\n    // Called to override click event to trigger a proper generate request with filtering.\n    const generateWithFilters = (event, getparams) => {\n        let currentLink = document.forms.filtersform.action,\n            newLink;\n\n        if (event) {\n            event.preventDefault();\n\n           let currentSplit = currentLink.split('?'),\n               currentstring = currentSplit[1],\n               newparamsarray = getparams.split('&'),\n               paramsstring = '',\n               paramkeys = [],\n               paramvalues = [];\n\n            // Separate out the existing action GET param string.\n            currentstring.split('&').forEach(function(param) {\n                let splitparam = param.split('=');\n                paramkeys.push(splitparam[0]);\n                paramvalues.push(splitparam[1]);\n            });\n\n            newparamsarray.forEach(function(paramstring) {\n                let newparam = paramstring.split('='),\n                    existingkey = paramkeys.indexOf(newparam[0]);\n\n                // Overwrite value if existing, otherwise add new param.\n                if (existingkey > -1) {\n                    paramvalues[existingkey] = newparam[1];\n                } else {\n                    paramkeys.push(newparam[0]);\n                    paramvalues.push(newparam[1]);\n                }\n            });\n\n            // Build URL.\n            paramkeys.forEach(function(name, key) {\n                paramsstring += `&${name}=${paramvalues[key]}`;\n            });\n\n            newLink = currentSplit[0] + '?' + paramsstring.substr(1);\n        } else {\n            newLink = currentLink;\n        }\n\n        document.forms.filtersform.action = newLink;\n        document.forms.filtersform.submit();\n    };\n\n    // Override 'reset table preferences' so it generates with filters.\n    $('.resettable').on(\"click\", \"a\", function(event) {\n        generateWithFilters(event, event.target.search.substr(1));\n    });\n\n    // Override table heading sort links so they generate with filters.\n    $('thead').on(\"click\", \"a\", function(event) {\n        generateWithFilters(event, event.target.search.substr(1));\n    });\n\n    // Override pagination page links so they generate with filters.\n    $('.pagination').on(\"click\", \"a\", function(event) {\n        generateWithFilters(event, event.target.search.substr(1));\n    });\n\n    // Override rows per page submission so it generates with filters.\n    if (document.forms.selectperpage) {\n        document.forms.selectperpage.onsubmit = (event) => {\n            let getparam = 'perpage=' + document.forms.selectperpage.elements.perpage.value;\n            generateWithFilters(event, getparam);\n        };\n    }\n\n    // Override download link so the file is generated with filters.\n    const downloadForm = document.getElementById('summaryreport').querySelector('form.dataformatselector');\n    if (downloadForm) {\n        downloadForm.onsubmit = (event) => {\n            const downloadType = downloadForm.querySelector('#downloadtype_download').value;\n            const getParams = `download=${downloadType}`;\n            const prevAction = document.forms.filtersform.action;\n\n            generateWithFilters(event, getParams);\n\n            // Revert action, so re-submitting the form via filter does not trigger a further download.\n            document.forms.filtersform.action = prevAction;\n        };\n    }\n\n    // Submit report via filter\n    const submitWithFilter = (containerelement) => {\n        // Disable the dates filter mform checker to prevent any changes triggering a warning to the user.\n        Y.use('moodle-core-formchangechecker', function() {\n            M.core_formchangechecker.reset_form_dirty_state();\n        });\n\n        // Close the container (eg popover).\n        $(containerelement).addClass('hidden');\n\n        // Submit the filter values and re-generate report.\n        generateWithFilters(false);\n    };\n\n    // Use popper to override date mform calendar position.\n    const updateCalendarPosition = (referenceid) => {\n        let referenceElement = document.querySelector(referenceid),\n            popperContent = document.querySelector(Selectors.filters.date.calendar);\n\n        popperContent.style.removeProperty(\"z-index\");\n        new Popper(referenceElement, popperContent, {placement: 'bottom'});\n    };\n\n    // Close the relevant filter.\n    const closeOpenFilters = (openFilterButton, openFilter) => {\n        openFilter.classList.add('hidden');\n        openFilter.setAttribute('data-openfilter', 'false');\n\n        openFilterButton.classList.add('btn-primary');\n        openFilterButton.classList.remove('btn-outline-primary');\n        openFilterButton.setAttribute('aria-expanded', false);\n    };\n\n    // Groups filter specific handlers.\n\n    // Event handler for clicking select all groups.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.group.selectall, function() {\n        let deselected = root.querySelectorAll(Selectors.filters.group.checkbox + ':not(:checked)');\n        deselected.forEach(function(checkbox) {\n            checkbox.checked = true;\n        });\n    });\n\n    // Event handler for clearing filter by clicking option.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.group.clear, function() {\n        // Clear checkboxes.\n        let selected = root.querySelectorAll(Selectors.filters.group.checkbox + ':checked');\n        selected.forEach(function(checkbox) {\n            checkbox.checked = false;\n        });\n    });\n\n    // Event handler for showing groups filter popover.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.group.trigger, function() {\n        // Create popover.\n        let referenceElement = root.querySelector(Selectors.filters.group.trigger),\n            popperContent = root.querySelector(Selectors.filters.group.popover);\n\n        new Popper(referenceElement, popperContent, {placement: 'bottom'});\n\n        // Show popover.\n        popperContent.classList.remove('hidden');\n        popperContent.setAttribute('data-openfilter', 'true');\n\n        // Change to outlined button.\n        referenceElement.classList.add('btn-outline-primary');\n        referenceElement.classList.remove('btn-primary');\n\n        // Let screen readers know that it's now expanded.\n        referenceElement.setAttribute('aria-expanded', true);\n\n        // Add listeners to handle closing filter.\n        const closeListener = e => {\n            if (e.target.id !== referenceElement.id && popperContent !== e.target.closest('[data-openfilter=\"true\"]') &&\n                    (typeof e.keyCode === 'undefined' || e.keyCode === KeyCodes.enter || e.keyCode === KeyCodes.space)) {\n                closeOpenFilters(referenceElement, popperContent);\n                document.removeEventListener('click', closeListener);\n                document.removeEventListener('keyup', closeListener);\n                document.removeEventListener('keyup', escCloseListener);\n            }\n        };\n\n        document.addEventListener('click', closeListener);\n        document.addEventListener('keyup', closeListener);\n\n        const escCloseListener = e => {\n            if (e.keyCode === KeyCodes.escape) {\n                closeOpenFilters(referenceElement, popperContent);\n                document.removeEventListener('keyup', escCloseListener);\n                document.removeEventListener('click', closeListener);\n            }\n        };\n\n        document.addEventListener('keyup', escCloseListener);\n    });\n\n    // Event handler to click save groups filter.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.group.save, function() {\n        // Copy the saved values into the form before submitting.\n        let popcheckboxes = root.querySelectorAll(Selectors.filters.group.checkbox);\n\n        popcheckboxes.forEach(function(popcheckbox) {\n            let filtersform = document.forms.filtersform,\n                saveid = popcheckbox.getAttribute('data-saveid');\n\n            filtersform.querySelector(`#${saveid}`).checked = popcheckbox.checked;\n        });\n\n        submitWithFilter('#filter-groups-popover');\n    });\n\n    // Listeners for export buttons.\n    // These allow fetching of the relevant export URL, before submitting the request with\n    // any POST data that is common to all of the export links. This allows filters to be\n    // applied that contain potentially a lot of data (eg discussion IDs for groups filtering).\n    document.querySelectorAll(Selectors.filters.exportlink.link).forEach(function(exportbutton) {\n        exportbutton.addEventListener('click', function(event) {\n            document.forms.exportlinkform.action = event.target.dataset.url;\n            document.forms.exportlinkform.submit();\n        });\n    });\n\n    // Dates filter specific handlers.\n\n   // Event handler for showing dates filter popover.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.date.trigger, function() {\n\n        // Create popover.\n        let referenceElement = root.querySelector(Selectors.filters.date.trigger),\n            popperContent = root.querySelector(Selectors.filters.date.popover);\n\n        new Popper(referenceElement, popperContent, {placement: 'bottom'});\n\n        // Show popover and move focus.\n        popperContent.classList.remove('hidden');\n        popperContent.setAttribute('data-openfilter', 'true');\n        popperContent.querySelector('[name=\"filterdatefrompopover[enabled]\"]').focus();\n\n        // Change to outlined button.\n        referenceElement.classList.add('btn-outline-primary');\n        referenceElement.classList.remove('btn-primary');\n\n        // Let screen readers know that it's now expanded.\n        referenceElement.setAttribute('aria-expanded', true);\n\n        // Add listener to handle closing filter.\n        const closeListener = e => {\n            if (e.target.id !== referenceElement.id && popperContent !== e.target.closest('[data-openfilter=\"true\"]') &&\n                    (typeof e.keyCode === 'undefined' || e.keyCode === KeyCodes.enter || e.keyCode === KeyCodes.space)) {\n                closeOpenFilters(referenceElement, popperContent);\n                document.removeEventListener('click', closeListener);\n                document.removeEventListener('keyup', closeListener);\n                document.removeEventListener('keyup', escCloseListener);\n            }\n        };\n\n        document.addEventListener('click', closeListener);\n        document.addEventListener('keyup', closeListener);\n\n        const escCloseListener = e => {\n            if (e.keyCode === KeyCodes.escape) {\n                closeOpenFilters(referenceElement, popperContent);\n                document.removeEventListener('keyup', escCloseListener);\n                document.removeEventListener('click', closeListener);\n            }\n        };\n\n        document.addEventListener('keyup', escCloseListener);\n    });\n\n    // Event handler to save dates filter.\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.date.save, function() {\n        // Populate the hidden form inputs to submit the data.\n        let filtersForm = document.forms.filtersform;\n        const datesPopover = root.querySelector(Selectors.filters.date.popover);\n        const fromEnabled = datesPopover.querySelector('[name=\"filterdatefrompopover[enabled]\"]').checked ? 1 : 0;\n        const toEnabled = datesPopover.querySelector('[name=\"filterdatetopopover[enabled]\"]').checked ? 1 : 0;\n\n        if (!fromEnabled && !toEnabled) {\n            // Update the elements in the filter form.\n            filtersForm.elements['datefrom[timestamp]'].value = 0;\n            filtersForm.elements['datefrom[enabled]'].value = fromEnabled;\n            filtersForm.elements['dateto[timestamp]'].value = 0;\n            filtersForm.elements['dateto[enabled]'].value = toEnabled;\n\n            // Submit the filter values and re-generate report.\n            submitWithFilter('#filter-dates-popover');\n        } else {\n            let args = {data: []};\n\n            if (fromEnabled) {\n                args.data.push({\n                    'key': 'from',\n                    'year': datesPopover.querySelector('[name=\"filterdatefrompopover[year]\"]').value,\n                    'month': datesPopover.querySelector('[name=\"filterdatefrompopover[month]\"]').value,\n                    'day': datesPopover.querySelector('[name=\"filterdatefrompopover[day]\"]').value,\n                    'hour': 0,\n                    'minute': 0\n                });\n            }\n\n            if (toEnabled) {\n                args.data.push({\n                    'key': 'to',\n                    'year': datesPopover.querySelector('[name=\"filterdatetopopover[year]\"]').value,\n                    'month': datesPopover.querySelector('[name=\"filterdatetopopover[month]\"]').value,\n                    'day': datesPopover.querySelector('[name=\"filterdatetopopover[day]\"]').value,\n                    'hour': 23,\n                    'minute': 59\n                });\n            }\n\n            const request = {\n                methodname: 'core_calendar_get_timestamps',\n                args: args\n            };\n\n            Ajax.call([request])[0].done(function(result) {\n                let fromTimestamp = 0,\n                    toTimestamp = 0;\n\n                result['timestamps'].forEach(function(data){\n                    if (data.key === 'from') {\n                        fromTimestamp = data.timestamp;\n                    } else if (data.key === 'to') {\n                        toTimestamp = data.timestamp;\n                    }\n                });\n\n                // Display an error if the from date is later than the do date.\n                if (toTimestamp > 0 && fromTimestamp > toTimestamp) {\n                    const warningdiv = document.getElementById('dates-filter-warning');\n                    warningdiv.classList.remove('hidden');\n                    warningdiv.classList.add('d-block');\n                } else {\n                    filtersForm.elements['datefrom[timestamp]'].value = fromTimestamp;\n                    filtersForm.elements['datefrom[enabled]'].value = fromEnabled;\n                    filtersForm.elements['dateto[timestamp]'].value = toTimestamp;\n                    filtersForm.elements['dateto[enabled]'].value = toEnabled;\n\n                    // Submit the filter values and re-generate report.\n                    submitWithFilter('#filter-dates-popover');\n                }\n            });\n        }\n    });\n\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.date.calendariconfrom, function() {\n        updateCalendarPosition(Selectors.filters.date.calendariconfrom);\n    });\n\n    jqRoot.on(CustomEvents.events.activate, Selectors.filters.date.calendariconto, function() {\n        updateCalendarPosition(Selectors.filters.date.calendariconto);\n    });\n};\n"],"names":["root","jqRoot","document","ready","hide","removeClass","generateWithFilters","event","getparams","newLink","currentLink","forms","filtersform","action","preventDefault","currentSplit","split","currentstring","newparamsarray","paramsstring","paramkeys","paramvalues","forEach","param","splitparam","push","paramstring","newparam","existingkey","indexOf","name","key","substr","submit","on","target","search","selectperpage","onsubmit","getparam","elements","perpage","value","downloadForm","getElementById","querySelector","downloadType","getParams","prevAction","submitWithFilter","containerelement","use","M","core_formchangechecker","reset_form_dirty_state","addClass","updateCalendarPosition","referenceid","referenceElement","popperContent","Selectors","filters","date","calendar","style","removeProperty","Popper","placement","closeOpenFilters","openFilterButton","openFilter","classList","add","setAttribute","remove","CustomEvents","events","activate","group","selectall","querySelectorAll","checkbox","checked","clear","trigger","popover","closeListener","e","id","closest","keyCode","KeyCodes","enter","space","removeEventListener","escCloseListener","addEventListener","escape","save","popcheckbox","saveid","getAttribute","exportlink","link","exportbutton","exportlinkform","dataset","url","focus","filtersForm","datesPopover","fromEnabled","toEnabled","args","data","request","methodname","call","done","result","fromTimestamp","toTimestamp","timestamp","warningdiv","calendariconfrom","calendariconto"],"mappings":";;;;;;;;gaAgCoB,SAACA,UACbC,QAAS,mBAAED,0BAIbE,UAAUC,OAAM,+BACZ,iBAAiBC,2BACjB,kBAAkBC,YAAY,iBAM9BC,oBAAsB,SAACC,MAAOC,eAE5BC,QADAC,YAAcR,SAASS,MAAMC,YAAYC,UAGzCN,MAAO,CACPA,MAAMO,qBAEHC,aAAeL,YAAYM,MAAM,KACjCC,cAAgBF,aAAa,GAC7BG,eAAiBV,UAAUQ,MAAM,KACjCG,aAAe,GACfC,UAAY,GACZC,YAAc,GAGjBJ,cAAcD,MAAM,KAAKM,SAAQ,SAASC,WAClCC,WAAaD,MAAMP,MAAM,KAC7BI,UAAUK,KAAKD,WAAW,IAC1BH,YAAYI,KAAKD,WAAW,OAGhCN,eAAeI,SAAQ,SAASI,iBACxBC,SAAWD,YAAYV,MAAM,KAC7BY,YAAcR,UAAUS,QAAQF,SAAS,IAGzCC,aAAe,EACfP,YAAYO,aAAeD,SAAS,IAEpCP,UAAUK,KAAKE,SAAS,IACxBN,YAAYI,KAAKE,SAAS,QAKlCP,UAAUE,SAAQ,SAASQ,KAAMC,KAC7BZ,yBAAoBW,iBAAQT,YAAYU,SAG5CtB,QAAUM,aAAa,GAAK,IAAMI,aAAaa,OAAO,QAEtDvB,QAAUC,YAGdR,SAASS,MAAMC,YAAYC,OAASJ,QACpCP,SAASS,MAAMC,YAAYqB,8BAI7B,eAAeC,GAAG,QAAS,KAAK,SAAS3B,OACvCD,oBAAoBC,MAAOA,MAAM4B,OAAOC,OAAOJ,OAAO,2BAIxD,SAASE,GAAG,QAAS,KAAK,SAAS3B,OACjCD,oBAAoBC,MAAOA,MAAM4B,OAAOC,OAAOJ,OAAO,2BAIxD,eAAeE,GAAG,QAAS,KAAK,SAAS3B,OACvCD,oBAAoBC,MAAOA,MAAM4B,OAAOC,OAAOJ,OAAO,OAItD9B,SAASS,MAAM0B,gBACfnC,SAASS,MAAM0B,cAAcC,SAAW,SAAC/B,WACjCgC,SAAW,WAAarC,SAASS,MAAM0B,cAAcG,SAASC,QAAQC,MAC1EpC,oBAAoBC,MAAOgC,gBAK7BI,aAAezC,SAAS0C,eAAe,iBAAiBC,cAAc,2BACxEF,eACAA,aAAaL,SAAW,SAAC/B,WACfuC,aAAeH,aAAaE,cAAc,0BAA0BH,MACpEK,6BAAwBD,cACxBE,WAAa9C,SAASS,MAAMC,YAAYC,OAE9CP,oBAAoBC,MAAOwC,WAG3B7C,SAASS,MAAMC,YAAYC,OAASmC,iBAKtCC,iBAAmB,SAACC,+BAEpBC,IAAI,iCAAiC,WACnCC,EAAEC,uBAAuBC,gDAI3BJ,kBAAkBK,SAAS,UAG7BjD,qBAAoB,IAIlBkD,uBAAyB,SAACC,iBACxBC,iBAAmBxD,SAAS2C,cAAcY,aAC1CE,cAAgBzD,SAAS2C,cAAce,mBAAUC,QAAQC,KAAKC,UAElEJ,cAAcK,MAAMC,eAAe,eAC/BC,gBAAOR,iBAAkBC,cAAe,CAACQ,UAAW,YAItDC,iBAAmB,SAACC,iBAAkBC,YACxCA,WAAWC,UAAUC,IAAI,UACzBF,WAAWG,aAAa,kBAAmB,SAE3CJ,iBAAiBE,UAAUC,IAAI,eAC/BH,iBAAiBE,UAAUG,OAAO,uBAClCL,iBAAiBI,aAAa,iBAAiB,IAMnDxE,OAAOiC,GAAGyC,mCAAaC,OAAOC,SAAUjB,mBAAUC,QAAQiB,MAAMC,WAAW,WACtD/E,KAAKgF,iBAAiBpB,mBAAUC,QAAQiB,MAAMG,SAAW,kBAC/D3D,SAAQ,SAAS2D,UACxBA,SAASC,SAAU,QAK3BjF,OAAOiC,GAAGyC,mCAAaC,OAAOC,SAAUjB,mBAAUC,QAAQiB,MAAMK,OAAO,WAEpDnF,KAAKgF,iBAAiBpB,mBAAUC,QAAQiB,MAAMG,SAAW,YAC/D3D,SAAQ,SAAS2D,UACtBA,SAASC,SAAU,QAK3BjF,OAAOiC,GAAGyC,mCAAaC,OAAOC,SAAUjB,mBAAUC,QAAQiB,MAAMM,SAAS,eAEjE1B,iBAAmB1D,KAAK6C,cAAce,mBAAUC,QAAQiB,MAAMM,SAC9DzB,cAAgB3D,KAAK6C,cAAce,mBAAUC,QAAQiB,MAAMO,aAE3DnB,gBAAOR,iBAAkBC,cAAe,CAACQ,UAAW,WAGxDR,cAAcY,UAAUG,OAAO,UAC/Bf,cAAcc,aAAa,kBAAmB,QAG9Cf,iBAAiBa,UAAUC,IAAI,uBAC/Bd,iBAAiBa,UAAUG,OAAO,eAGlChB,iBAAiBe,aAAa,iBAAiB,OAGzCa,cAAgB,SAAhBA,cAAgBC,GACdA,EAAEpD,OAAOqD,KAAO9B,iBAAiB8B,IAAM7B,gBAAkB4B,EAAEpD,OAAOsD,QAAQ,kCAChD,IAAdF,EAAEG,SAA2BH,EAAEG,UAAYC,mBAASC,OAASL,EAAEG,UAAYC,mBAASE,QAChGzB,iBAAiBV,iBAAkBC,eACnCzD,SAAS4F,oBAAoB,QAASR,eACtCpF,SAAS4F,oBAAoB,QAASR,eACtCpF,SAAS4F,oBAAoB,QAASC,oBAI9C7F,SAAS8F,iBAAiB,QAASV,eACnCpF,SAAS8F,iBAAiB,QAASV,mBAE7BS,iBAAmB,SAAnBA,iBAAmBR,GACjBA,EAAEG,UAAYC,mBAASM,SACvB7B,iBAAiBV,iBAAkBC,eACnCzD,SAAS4F,oBAAoB,QAASC,kBACtC7F,SAAS4F,oBAAoB,QAASR,iBAI9CpF,SAAS8F,iBAAiB,QAASD,qBAIvC9F,OAAOiC,GAAGyC,mCAAaC,OAAOC,SAAUjB,mBAAUC,QAAQiB,MAAMoB,MAAM,WAE9ClG,KAAKgF,iBAAiBpB,mBAAUC,QAAQiB,MAAMG,UAEpD3D,SAAQ,SAAS6E,iBACvBvF,YAAcV,SAASS,MAAMC,YAC7BwF,OAASD,YAAYE,aAAa,eAEtCzF,YAAYiC,yBAAkBuD,SAAUlB,QAAUiB,YAAYjB,WAGlEjC,iBAAiB,6BAOrB/C,SAAS8E,iBAAiBpB,mBAAUC,QAAQyC,WAAWC,MAAMjF,SAAQ,SAASkF,cAC1EA,aAAaR,iBAAiB,SAAS,SAASzF,OAC5CL,SAASS,MAAM8F,eAAe5F,OAASN,MAAM4B,OAAOuE,QAAQC,IAC5DzG,SAASS,MAAM8F,eAAexE,eAOtChC,OAAOiC,GAAGyC,mCAAaC,OAAOC,SAAUjB,mBAAUC,QAAQC,KAAKsB,SAAS,eAGhE1B,iBAAmB1D,KAAK6C,cAAce,mBAAUC,QAAQC,KAAKsB,SAC7DzB,cAAgB3D,KAAK6C,cAAce,mBAAUC,QAAQC,KAAKuB,aAE1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\ No newline at end of file
diff --git a/mod/forum/report/summary/amd/build/selectors.min.js b/mod/forum/report/summary/amd/build/selectors.min.js
index a5ffcc44713..5f6bc5750a1 100644
--- a/mod/forum/report/summary/amd/build/selectors.min.js
+++ b/mod/forum/report/summary/amd/build/selectors.min.js
@@ -1,2 +1,3 @@
-define ("forumreport_summary/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;a.default={filters:{group:{checkbox:"[data-region=\"filter-groups\"] input[type=\"checkbox\"]",clear:"[data-region=\"filter-groups\"] .filter-clear",popover:"#filter-groups-popover",save:"[data-region=\"filter-groups\"] .filter-save",selectall:"[data-region=\"filter-groups\"] .select-all",trigger:"#filter-groups-button"},date:{calendar:"#dateselector-calendar-panel",calendariconfrom:"#id_filterdatefrompopover_calendar",calendariconto:"#id_filterdatetopopover_calendar",popover:"#filter-dates-popover",save:"[data-region=\"filter-dates\"] .filter-save",trigger:"#filter-dates-button"},exportlink:{link:"#summaryreport #forumreport_summary_table button.export-link"}}};return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("forumreport_summary/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;return _exports.default={filters:{group:{checkbox:'[data-region="filter-groups"] input[type="checkbox"]',clear:'[data-region="filter-groups"] .filter-clear',popover:"#filter-groups-popover",save:'[data-region="filter-groups"] .filter-save',selectall:'[data-region="filter-groups"] .select-all',trigger:"#filter-groups-button"},date:{calendar:"#dateselector-calendar-panel",calendariconfrom:"#id_filterdatefrompopover_calendar",calendariconto:"#id_filterdatetopopover_calendar",popover:"#filter-dates-popover",save:'[data-region="filter-dates"] .filter-save',trigger:"#filter-dates-button"},exportlink:{link:"#summaryreport #forumreport_summary_table button.export-link"}}},_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/mod/forum/report/summary/amd/build/selectors.min.js.map b/mod/forum/report/summary/amd/build/selectors.min.js.map
index 1aebcd74e1f..1bfa227f292 100644
--- a/mod/forum/report/summary/amd/build/selectors.min.js.map
+++ b/mod/forum/report/summary/amd/build/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/selectors.js"],"names":["filters","group","checkbox","clear","popover","save","selectall","trigger","date","calendar","calendariconfrom","calendariconto","exportlink","link"],"mappings":"yJAwBe,CACXA,OAAO,CAAE,CACLC,KAAK,CAAE,CACHC,QAAQ,CAAE,0DADP,CAEHC,KAAK,CAAE,+CAFJ,CAGHC,OAAO,CAAE,wBAHN,CAIHC,IAAI,CAAE,8CAJH,CAKHC,SAAS,CAAE,6CALR,CAMHC,OAAO,CAAE,uBANN,CADF,CASLC,IAAI,CAAE,CACFC,QAAQ,CAAE,8BADR,CAEFC,gBAAgB,CAAE,oCAFhB,CAGFC,cAAc,CAAE,kCAHd,CAIFP,OAAO,CAAE,uBAJP,CAKFC,IAAI,CAAE,6CALJ,CAMFE,OAAO,CAAE,sBANP,CATD,CAiBLK,UAAU,CAAE,CACRC,IAAI,CAAE,8DADE,CAjBP,CADE,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module containing the selectors for the forum summary report.\n *\n * @module     forumreport_summary/selectors\n * @package    forumreport_summary\n * @copyright  2019 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nexport default {\n    filters: {\n        group: {\n            checkbox: '[data-region=\"filter-groups\"] input[type=\"checkbox\"]',\n            clear: '[data-region=\"filter-groups\"] .filter-clear',\n            popover: '#filter-groups-popover',\n            save: '[data-region=\"filter-groups\"] .filter-save',\n            selectall: '[data-region=\"filter-groups\"] .select-all',\n            trigger: '#filter-groups-button',\n        },\n        date: {\n            calendar: '#dateselector-calendar-panel',\n            calendariconfrom: '#id_filterdatefrompopover_calendar',\n            calendariconto: '#id_filterdatetopopover_calendar',\n            popover: '#filter-dates-popover',\n            save: '[data-region=\"filter-dates\"] .filter-save',\n            trigger: '#filter-dates-button',\n        },\n        exportlink: {\n            link: '#summaryreport #forumreport_summary_table button.export-link'\n        }\n    }\n};\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../src/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module containing the selectors for the forum summary report.\n *\n * @module     forumreport_summary/selectors\n * @package    forumreport_summary\n * @copyright  2019 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nexport default {\n    filters: {\n        group: {\n            checkbox: '[data-region=\"filter-groups\"] input[type=\"checkbox\"]',\n            clear: '[data-region=\"filter-groups\"] .filter-clear',\n            popover: '#filter-groups-popover',\n            save: '[data-region=\"filter-groups\"] .filter-save',\n            selectall: '[data-region=\"filter-groups\"] .select-all',\n            trigger: '#filter-groups-button',\n        },\n        date: {\n            calendar: '#dateselector-calendar-panel',\n            calendariconfrom: '#id_filterdatefrompopover_calendar',\n            calendariconto: '#id_filterdatetopopover_calendar',\n            popover: '#filter-dates-popover',\n            save: '[data-region=\"filter-dates\"] .filter-save',\n            trigger: '#filter-dates-button',\n        },\n        exportlink: {\n            link: '#summaryreport #forumreport_summary_table button.export-link'\n        }\n    }\n};\n"],"names":["filters","group","checkbox","clear","popover","save","selectall","trigger","date","calendar","calendariconfrom","calendariconto","exportlink","link"],"mappings":"+KAwBe,CACXA,QAAS,CACLC,MAAO,CACHC,SAAU,uDACVC,MAAO,8CACPC,QAAS,yBACTC,KAAM,6CACNC,UAAW,4CACXC,QAAS,yBAEbC,KAAM,CACFC,SAAU,+BACVC,iBAAkB,qCAClBC,eAAgB,mCAChBP,QAAS,wBACTC,KAAM,4CACNE,QAAS,wBAEbK,WAAY,CACRC,KAAM"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/cartridge_registration_form.min.js b/mod/lti/amd/build/cartridge_registration_form.min.js
index 51b2dc430f9..f5b582ffc99 100644
--- a/mod/lti/amd/build/cartridge_registration_form.min.js
+++ b/mod/lti/amd/build/cartridge_registration_form.min.js
@@ -1,2 +1,16 @@
-define ("mod_lti/cartridge_registration_form",["jquery","core/ajax","core/notification","mod_lti/tool_type","mod_lti/events","mod_lti/keys","core/str"],function(a,b,c,d,f,g,h){var i={CARTRIDGE_URL:"#cartridge-url",CONSUMER_KEY:"#registration-key",SHARED_SECRET:"#registration-secret",REGISTRATION_FORM:"#cartridge-registration-form",REGISTRATION_SUBMIT_BUTTON:"#cartridge-registration-submit",REGISTRATION_CANCEL_BUTTON:"#cartridge-registration-cancel"},j=function(){return a(i.REGISTRATION_FORM).attr("data-cartridge-url")},k=function(){return a(i.REGISTRATION_SUBMIT_BUTTON)},l=function(){return a(i.REGISTRATION_CANCEL_BUTTON)},m=function(){return a(i.CONSUMER_KEY).val()},n=function(){return a(i.SHARED_SECRET).val()},o=function(){k().addClass("loading")},p=function(){k().removeClass("loading")},q=function(){return k().hasClass("loading")},r=function(){if(q()){return!1}var b=j();if(""===b){return!1}o();var e=m(),g=n(),i=d.create({cartridgeurl:b,key:e,secret:g});i.done(function(){h.get_string("successfullycreatedtooltype","mod_lti").done(function(b){a(document).trigger(f.NEW_TOOL_TYPE);a(document).trigger(f.STOP_CARTRIDGE_REGISTRATION);a(document).trigger(f.REGISTRATION_FEEDBACK,{message:b})}).fail(c.exception)}).fail(function(){h.get_string("failedtocreatetooltype","mod_lti").done(function(b){a(document).trigger(f.NEW_TOOL_TYPE);a(document).trigger(f.STOP_CARTRIDGE_REGISTRATION);a(document).trigger(f.REGISTRATION_FEEDBACK,{message:b,error:!0})}).fail(c.exception)}).always(function(){p()});return i},s=function(){var b=a(i.REGISTRATION_FORM);b.submit(function(a){a.preventDefault();r()});var c=l();c.click(function(b){b.preventDefault();a(document).trigger(f.STOP_CARTRIDGE_REGISTRATION)});c.keypress(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(a.keyCode==g.ENTER||a.keyCode==g.SPACE){a.preventDefault();c.click()}}})};return{init:function init(){s()}}});
-//# sourceMappingURL=cartridge_registration_form.min.js.map
+/**
+ * Encapsules the behavior for creating a tool type from a cartridge URL
+ * in Moodle. Manages the UI while operations are occuring.
+ *
+ * See template: mod_lti/cartridge_registration_form
+ *
+ * @module     mod_lti/cartridge_registration_form
+ * @class      cartridge_registration_form
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/cartridge_registration_form",["jquery","core/ajax","core/notification","mod_lti/tool_type","mod_lti/events","mod_lti/keys","core/str"],(function($,ajax,notification,toolType,ltiEvents,KEYS,str){var SELECTORS_CONSUMER_KEY="#registration-key",SELECTORS_SHARED_SECRET="#registration-secret",SELECTORS_REGISTRATION_FORM="#cartridge-registration-form",SELECTORS_REGISTRATION_SUBMIT_BUTTON="#cartridge-registration-submit",SELECTORS_REGISTRATION_CANCEL_BUTTON="#cartridge-registration-cancel",getSubmitButton=function(){return $(SELECTORS_REGISTRATION_SUBMIT_BUTTON)},submitCartridgeURL=function(){if(getSubmitButton().hasClass("loading"))return!1;var url=$(SELECTORS_REGISTRATION_FORM).attr("data-cartridge-url");if(""===url)return!1;getSubmitButton().addClass("loading");var consumerKey=$(SELECTORS_CONSUMER_KEY).val(),sharedSecret=$(SELECTORS_SHARED_SECRET).val(),promise=toolType.create({cartridgeurl:url,key:consumerKey,secret:sharedSecret});return promise.done((function(){str.get_string("successfullycreatedtooltype","mod_lti").done((function(s){$(document).trigger(ltiEvents.NEW_TOOL_TYPE),$(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION),$(document).trigger(ltiEvents.REGISTRATION_FEEDBACK,{message:s})})).fail(notification.exception)})).fail((function(){str.get_string("failedtocreatetooltype","mod_lti").done((function(s){$(document).trigger(ltiEvents.NEW_TOOL_TYPE),$(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION),$(document).trigger(ltiEvents.REGISTRATION_FEEDBACK,{message:s,error:!0})})).fail(notification.exception)})).always((function(){getSubmitButton().removeClass("loading")})),promise},registerEventListeners=function(){$(SELECTORS_REGISTRATION_FORM).submit((function(e){e.preventDefault(),submitCartridgeURL()}));var cancelButton=$(SELECTORS_REGISTRATION_CANCEL_BUTTON);cancelButton.click((function(e){e.preventDefault(),$(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION)})),cancelButton.keypress((function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||e.keyCode!=KEYS.ENTER&&e.keyCode!=KEYS.SPACE||(e.preventDefault(),cancelButton.click())}))};return{init:function(){registerEventListeners()}}}));
+
+//# sourceMappingURL=cartridge_registration_form.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/cartridge_registration_form.min.js.map b/mod/lti/amd/build/cartridge_registration_form.min.js.map
index 8a561df1d7e..2b5bbe55e74 100644
--- a/mod/lti/amd/build/cartridge_registration_form.min.js.map
+++ b/mod/lti/amd/build/cartridge_registration_form.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/cartridge_registration_form.js"],"names":["define","$","ajax","notification","toolType","ltiEvents","KEYS","str","SELECTORS","CARTRIDGE_URL","CONSUMER_KEY","SHARED_SECRET","REGISTRATION_FORM","REGISTRATION_SUBMIT_BUTTON","REGISTRATION_CANCEL_BUTTON","getCartridgeURL","attr","getSubmitButton","getCancelButton","getConsumerKey","val","getSharedSecret","startLoading","addClass","stopLoading","removeClass","isLoading","hasClass","submitCartridgeURL","url","consumerKey","sharedSecret","promise","create","cartridgeurl","key","secret","done","get_string","s","document","trigger","NEW_TOOL_TYPE","STOP_CARTRIDGE_REGISTRATION","REGISTRATION_FEEDBACK","message","fail","exception","error","always","registerEventListeners","form","submit","e","preventDefault","cancelButton","click","keypress","metaKey","shiftKey","altKey","ctrlKey","keyCode","ENTER","SPACE","init"],"mappings":"AA4BAA,OAAM,uCAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,mBAAxB,CAA6C,mBAA7C,CAAkE,gBAAlE,CAAoF,cAApF,CAAoG,UAApG,CAAD,CACE,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAgCC,CAAhC,CAA0CC,CAA1C,CAAqDC,CAArD,CAA2DC,CAA3D,CAAgE,IAEhEC,CAAAA,CAAS,CAAG,CACZC,aAAa,CAAE,gBADH,CAEZC,YAAY,CAAE,mBAFF,CAGZC,aAAa,CAAE,sBAHH,CAIZC,iBAAiB,CAAE,8BAJP,CAKZC,0BAA0B,CAAE,gCALhB,CAMZC,0BAA0B,CAAE,gCANhB,CAFoD,CAkBhEC,CAAe,CAAG,UAAW,CAC7B,MAAOd,CAAAA,CAAC,CAACO,CAAS,CAACI,iBAAX,CAAD,CAA+BI,IAA/B,CAAoC,oBAApC,CACV,CApBmE,CA6BhEC,CAAe,CAAG,UAAW,CAC7B,MAAOhB,CAAAA,CAAC,CAACO,CAAS,CAACK,0BAAX,CACX,CA/BmE,CAwChEK,CAAe,CAAG,UAAW,CAC7B,MAAOjB,CAAAA,CAAC,CAACO,CAAS,CAACM,0BAAX,CACX,CA1CmE,CAmDhEK,CAAc,CAAG,UAAW,CAC5B,MAAOlB,CAAAA,CAAC,CAACO,CAAS,CAACE,YAAX,CAAD,CAA0BU,GAA1B,EACV,CArDmE,CA8DhEC,CAAe,CAAG,UAAW,CAC7B,MAAOpB,CAAAA,CAAC,CAACO,CAAS,CAACG,aAAX,CAAD,CAA2BS,GAA3B,EACV,CAhEmE,CAwEhEE,CAAY,CAAG,UAAW,CAC1BL,CAAe,GAAGM,QAAlB,CAA2B,SAA3B,CACH,CA1EmE,CAkFhEC,CAAW,CAAG,UAAW,CACzBP,CAAe,GAAGQ,WAAlB,CAA8B,SAA9B,CACH,CApFmE,CA6FhEC,CAAS,CAAG,UAAW,CACvB,MAAOT,CAAAA,CAAe,GAAGU,QAAlB,CAA2B,SAA3B,CACV,CA/FmE,CA6GhEC,CAAkB,CAAG,UAAW,CAChC,GAAIF,CAAS,EAAb,CAAiB,CACb,QACH,CAED,GAAIG,CAAAA,CAAG,CAAGd,CAAe,EAAzB,CAEA,GAAY,EAAR,GAAAc,CAAJ,CAAgB,CACZ,QACH,CAEDP,CAAY,GAXoB,GAY5BQ,CAAAA,CAAW,CAAGX,CAAc,EAZA,CAa5BY,CAAY,CAAGV,CAAe,EAbF,CAc5BW,CAAO,CAAG5B,CAAQ,CAAC6B,MAAT,CAAgB,CAACC,YAAY,CAAEL,CAAf,CAAoBM,GAAG,CAAEL,CAAzB,CAAsCM,MAAM,CAAEL,CAA9C,CAAhB,CAdkB,CAgBhCC,CAAO,CAACK,IAAR,CAAa,UAAW,CACpB9B,CAAG,CAAC+B,UAAJ,CAAe,6BAAf,CAA8C,SAA9C,EAAyDD,IAAzD,CAA8D,SAASE,CAAT,CAAY,CACtEtC,CAAC,CAACuC,QAAD,CAAD,CAAYC,OAAZ,CAAoBpC,CAAS,CAACqC,aAA9B,EACAzC,CAAC,CAACuC,QAAD,CAAD,CAAYC,OAAZ,CAAoBpC,CAAS,CAACsC,2BAA9B,EACA1C,CAAC,CAACuC,QAAD,CAAD,CAAYC,OAAZ,CAAoBpC,CAAS,CAACuC,qBAA9B,CAAqD,CACjDC,OAAO,CAAEN,CADwC,CAArD,CAGH,CAND,EAMGO,IANH,CAMQ3C,CAAY,CAAC4C,SANrB,CAOH,CARD,EAQGD,IARH,CAQQ,UAAW,CACfvC,CAAG,CAAC+B,UAAJ,CAAe,wBAAf,CAAyC,SAAzC,EAAoDD,IAApD,CAAyD,SAASE,CAAT,CAAY,CACjEtC,CAAC,CAACuC,QAAD,CAAD,CAAYC,OAAZ,CAAoBpC,CAAS,CAACqC,aAA9B,EACAzC,CAAC,CAACuC,QAAD,CAAD,CAAYC,OAAZ,CAAoBpC,CAAS,CAACsC,2BAA9B,EACA1C,CAAC,CAACuC,QAAD,CAAD,CAAYC,OAAZ,CAAoBpC,CAAS,CAACuC,qBAA9B,CAAqD,CACjDC,OAAO,CAAEN,CADwC,CAEjDS,KAAK,GAF4C,CAArD,CAIH,CAPD,EAOGF,IAPH,CAOQ3C,CAAY,CAAC4C,SAPrB,CAQH,CAjBD,EAiBGE,MAjBH,CAiBU,UAAW,CACnBzB,CAAW,EACZ,CAnBD,EAqBA,MAAOQ,CAAAA,CACV,CAnJmE,CA2JhEkB,CAAsB,CAAG,UAAW,CACpC,GAAIC,CAAAA,CAAI,CAAGlD,CAAC,CAACO,CAAS,CAACI,iBAAX,CAAZ,CACAuC,CAAI,CAACC,MAAL,CAAY,SAASC,CAAT,CAAY,CACpBA,CAAC,CAACC,cAAF,GACA1B,CAAkB,EACrB,CAHD,EAKA,GAAI2B,CAAAA,CAAY,CAAGrC,CAAe,EAAlC,CACAqC,CAAY,CAACC,KAAb,CAAmB,SAASH,CAAT,CAAY,CAC3BA,CAAC,CAACC,cAAF,GACArD,CAAC,CAACuC,QAAD,CAAD,CAAYC,OAAZ,CAAoBpC,CAAS,CAACsC,2BAA9B,CACH,CAHD,EAIAY,CAAY,CAACE,QAAb,CAAsB,SAASJ,CAAT,CAAY,CAC9B,GAAI,CAACA,CAAC,CAACK,OAAH,EAAc,CAACL,CAAC,CAACM,QAAjB,EAA6B,CAACN,CAAC,CAACO,MAAhC,EAA0C,CAACP,CAAC,CAACQ,OAAjD,CAA0D,CACtD,GAAIR,CAAC,CAACS,OAAF,EAAaxD,CAAI,CAACyD,KAAlB,EAA2BV,CAAC,CAACS,OAAF,EAAaxD,CAAI,CAAC0D,KAAjD,CAAwD,CACpDX,CAAC,CAACC,cAAF,GACAC,CAAY,CAACC,KAAb,EACH,CACJ,CACJ,CAPD,CAQH,CA/KmE,CAiLpE,MAAgE,CAK5DS,IAAI,CAAE,eAAW,CACbf,CAAsB,EACzB,CAP2D,CASnE,CA3LK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Encapsules the behavior for creating a tool type from a cartridge URL\n * in Moodle. Manages the UI while operations are occuring.\n *\n * See template: mod_lti/cartridge_registration_form\n *\n * @module     mod_lti/cartridge_registration_form\n * @class      cartridge_registration_form\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'mod_lti/tool_type', 'mod_lti/events', 'mod_lti/keys', 'core/str'],\n        function($, ajax, notification, toolType, ltiEvents, KEYS, str) {\n\n    var SELECTORS = {\n        CARTRIDGE_URL: '#cartridge-url',\n        CONSUMER_KEY: '#registration-key',\n        SHARED_SECRET: '#registration-secret',\n        REGISTRATION_FORM: '#cartridge-registration-form',\n        REGISTRATION_SUBMIT_BUTTON: '#cartridge-registration-submit',\n        REGISTRATION_CANCEL_BUTTON: '#cartridge-registration-cancel',\n    };\n\n    /**\n     * Return the URL the user entered for the cartridge.\n     *\n     * @method getCartridgeURL\n     * @private\n     * @return {String}\n     */\n    var getCartridgeURL = function() {\n        return $(SELECTORS.REGISTRATION_FORM).attr('data-cartridge-url');\n    };\n\n    /**\n     * Return the submit button element.\n     *\n     * @method getSubmitButton\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getSubmitButton = function() {\n        return $(SELECTORS.REGISTRATION_SUBMIT_BUTTON);\n    };\n\n    /**\n     * Return the cancel button element.\n     *\n     * @method getCancelButton\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getCancelButton = function() {\n        return $(SELECTORS.REGISTRATION_CANCEL_BUTTON);\n    };\n\n    /**\n     * Return the value that the user entered for the consumer key.\n     *\n     * @method getConsumerKey\n     * @private\n     * @return {String} the value entered for consumer key.\n     */\n    var getConsumerKey = function() {\n        return $(SELECTORS.CONSUMER_KEY).val();\n    };\n\n    /**\n     * Return the value that the user entered for the shared secret.\n     *\n     * @method getSharedSecret\n     * @private\n     * @return {String} the value entered for shared secret\n     */\n    var getSharedSecret = function() {\n        return $(SELECTORS.SHARED_SECRET).val();\n    };\n\n    /**\n     * Trigger a visual loading indicator.\n     *\n     * @method startLoading\n     * @private\n     */\n    var startLoading = function() {\n        getSubmitButton().addClass('loading');\n    };\n\n    /**\n     * Stop the visual loading indicator.\n     *\n     * @method stopLoading\n     * @private\n     */\n    var stopLoading = function() {\n        getSubmitButton().removeClass('loading');\n    };\n\n    /**\n     * Check if the page is currently loading.\n     *\n     * @method isLoading\n     * @private\n     * @return {Boolean}\n     */\n    var isLoading = function() {\n        return getSubmitButton().hasClass('loading');\n    };\n\n    /**\n     * Create a tool type from the cartridge URL that the user input. This will\n     * send an ajax request to the Moodle server to create the Type. The request will\n     * include the consumer key and secret, if any.\n     *\n     * On success the page will be re-rendered to take the user back to the original\n     * page with the list of tools and an alert notifying them of success.\n     *\n     * @method submitCartridgeURL\n     * @private\n     * @return {Promise} jQuery Deferred object\n     */\n    var submitCartridgeURL = function() {\n        if (isLoading()) {\n            return false;\n        }\n\n        var url = getCartridgeURL();\n        // No URL? Do nothing.\n        if (url === \"\") {\n            return false;\n        }\n\n        startLoading();\n        var consumerKey = getConsumerKey();\n        var sharedSecret = getSharedSecret();\n        var promise = toolType.create({cartridgeurl: url, key: consumerKey, secret: sharedSecret});\n\n        promise.done(function() {\n            str.get_string('successfullycreatedtooltype', 'mod_lti').done(function(s) {\n                $(document).trigger(ltiEvents.NEW_TOOL_TYPE);\n                $(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION);\n                $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, {\n                    message: s\n                });\n            }).fail(notification.exception);\n        }).fail(function() {\n            str.get_string('failedtocreatetooltype', 'mod_lti').done(function(s) {\n                $(document).trigger(ltiEvents.NEW_TOOL_TYPE);\n                $(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION);\n                $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, {\n                    message: s,\n                    error: true\n                });\n            }).fail(notification.exception);\n        }).always(function() {\n          stopLoading();\n        });\n\n        return promise;\n    };\n\n    /**\n     * Sets up the listeners for user interaction on the page.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    var registerEventListeners = function() {\n        var form = $(SELECTORS.REGISTRATION_FORM);\n        form.submit(function(e) {\n            e.preventDefault();\n            submitCartridgeURL();\n        });\n\n        var cancelButton = getCancelButton();\n        cancelButton.click(function(e) {\n            e.preventDefault();\n            $(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION);\n        });\n        cancelButton.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                    e.preventDefault();\n                    cancelButton.click();\n                }\n            }\n        });\n    };\n\n    return /** @alias module:mod_lti/cartridge_registration_form */ {\n\n        /**\n         * Initialise this module.\n         */\n        init: function() {\n            registerEventListeners();\n        }\n    };\n});\n"],"file":"cartridge_registration_form.min.js"}
\ No newline at end of file
+{"version":3,"file":"cartridge_registration_form.min.js","sources":["../src/cartridge_registration_form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Encapsules the behavior for creating a tool type from a cartridge URL\n * in Moodle. Manages the UI while operations are occuring.\n *\n * See template: mod_lti/cartridge_registration_form\n *\n * @module     mod_lti/cartridge_registration_form\n * @class      cartridge_registration_form\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'mod_lti/tool_type', 'mod_lti/events', 'mod_lti/keys', 'core/str'],\n        function($, ajax, notification, toolType, ltiEvents, KEYS, str) {\n\n    var SELECTORS = {\n        CARTRIDGE_URL: '#cartridge-url',\n        CONSUMER_KEY: '#registration-key',\n        SHARED_SECRET: '#registration-secret',\n        REGISTRATION_FORM: '#cartridge-registration-form',\n        REGISTRATION_SUBMIT_BUTTON: '#cartridge-registration-submit',\n        REGISTRATION_CANCEL_BUTTON: '#cartridge-registration-cancel',\n    };\n\n    /**\n     * Return the URL the user entered for the cartridge.\n     *\n     * @method getCartridgeURL\n     * @private\n     * @return {String}\n     */\n    var getCartridgeURL = function() {\n        return $(SELECTORS.REGISTRATION_FORM).attr('data-cartridge-url');\n    };\n\n    /**\n     * Return the submit button element.\n     *\n     * @method getSubmitButton\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getSubmitButton = function() {\n        return $(SELECTORS.REGISTRATION_SUBMIT_BUTTON);\n    };\n\n    /**\n     * Return the cancel button element.\n     *\n     * @method getCancelButton\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getCancelButton = function() {\n        return $(SELECTORS.REGISTRATION_CANCEL_BUTTON);\n    };\n\n    /**\n     * Return the value that the user entered for the consumer key.\n     *\n     * @method getConsumerKey\n     * @private\n     * @return {String} the value entered for consumer key.\n     */\n    var getConsumerKey = function() {\n        return $(SELECTORS.CONSUMER_KEY).val();\n    };\n\n    /**\n     * Return the value that the user entered for the shared secret.\n     *\n     * @method getSharedSecret\n     * @private\n     * @return {String} the value entered for shared secret\n     */\n    var getSharedSecret = function() {\n        return $(SELECTORS.SHARED_SECRET).val();\n    };\n\n    /**\n     * Trigger a visual loading indicator.\n     *\n     * @method startLoading\n     * @private\n     */\n    var startLoading = function() {\n        getSubmitButton().addClass('loading');\n    };\n\n    /**\n     * Stop the visual loading indicator.\n     *\n     * @method stopLoading\n     * @private\n     */\n    var stopLoading = function() {\n        getSubmitButton().removeClass('loading');\n    };\n\n    /**\n     * Check if the page is currently loading.\n     *\n     * @method isLoading\n     * @private\n     * @return {Boolean}\n     */\n    var isLoading = function() {\n        return getSubmitButton().hasClass('loading');\n    };\n\n    /**\n     * Create a tool type from the cartridge URL that the user input. This will\n     * send an ajax request to the Moodle server to create the Type. The request will\n     * include the consumer key and secret, if any.\n     *\n     * On success the page will be re-rendered to take the user back to the original\n     * page with the list of tools and an alert notifying them of success.\n     *\n     * @method submitCartridgeURL\n     * @private\n     * @return {Promise} jQuery Deferred object\n     */\n    var submitCartridgeURL = function() {\n        if (isLoading()) {\n            return false;\n        }\n\n        var url = getCartridgeURL();\n        // No URL? Do nothing.\n        if (url === \"\") {\n            return false;\n        }\n\n        startLoading();\n        var consumerKey = getConsumerKey();\n        var sharedSecret = getSharedSecret();\n        var promise = toolType.create({cartridgeurl: url, key: consumerKey, secret: sharedSecret});\n\n        promise.done(function() {\n            str.get_string('successfullycreatedtooltype', 'mod_lti').done(function(s) {\n                $(document).trigger(ltiEvents.NEW_TOOL_TYPE);\n                $(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION);\n                $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, {\n                    message: s\n                });\n            }).fail(notification.exception);\n        }).fail(function() {\n            str.get_string('failedtocreatetooltype', 'mod_lti').done(function(s) {\n                $(document).trigger(ltiEvents.NEW_TOOL_TYPE);\n                $(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION);\n                $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, {\n                    message: s,\n                    error: true\n                });\n            }).fail(notification.exception);\n        }).always(function() {\n          stopLoading();\n        });\n\n        return promise;\n    };\n\n    /**\n     * Sets up the listeners for user interaction on the page.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    var registerEventListeners = function() {\n        var form = $(SELECTORS.REGISTRATION_FORM);\n        form.submit(function(e) {\n            e.preventDefault();\n            submitCartridgeURL();\n        });\n\n        var cancelButton = getCancelButton();\n        cancelButton.click(function(e) {\n            e.preventDefault();\n            $(document).trigger(ltiEvents.STOP_CARTRIDGE_REGISTRATION);\n        });\n        cancelButton.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                    e.preventDefault();\n                    cancelButton.click();\n                }\n            }\n        });\n    };\n\n    return /** @alias module:mod_lti/cartridge_registration_form */ {\n\n        /**\n         * Initialise this module.\n         */\n        init: function() {\n            registerEventListeners();\n        }\n    };\n});\n"],"names":["define","$","ajax","notification","toolType","ltiEvents","KEYS","str","SELECTORS","getSubmitButton","submitCartridgeURL","hasClass","url","attr","addClass","consumerKey","val","sharedSecret","promise","create","cartridgeurl","key","secret","done","get_string","s","document","trigger","NEW_TOOL_TYPE","STOP_CARTRIDGE_REGISTRATION","REGISTRATION_FEEDBACK","message","fail","exception","error","always","removeClass","registerEventListeners","submit","e","preventDefault","cancelButton","click","keypress","metaKey","shiftKey","altKey","ctrlKey","keyCode","ENTER","SPACE","init"],"mappings":";;;;;;;;;;;;;AA4BAA,6CAAO,CAAC,SAAU,YAAa,oBAAqB,oBAAqB,iBAAkB,eAAgB,aACnG,SAASC,EAAGC,KAAMC,aAAcC,SAAUC,UAAWC,KAAMC,SAE3DC,uBAEc,oBAFdA,wBAGe,uBAHfA,4BAImB,+BAJnBA,qCAK4B,iCAL5BA,qCAM4B,iCAqB5BC,gBAAkB,kBACXR,EAAEO,uCA+ETE,mBAAqB,cAfdD,kBAAkBE,SAAS,kBAiBvB,MAGPC,IA/FGX,EAAEO,6BAA6BK,KAAK,yBAiG/B,KAARD,WACO,EA5CXH,kBAAkBK,SAAS,eAgDvBC,YArEGd,EAAEO,wBAAwBQ,MAsE7BC,aA3DGhB,EAAEO,yBAAyBQ,MA4D9BE,QAAUd,SAASe,OAAO,CAACC,aAAcR,IAAKS,IAAKN,YAAaO,OAAQL,sBAE5EC,QAAQK,MAAK,WACThB,IAAIiB,WAAW,8BAA+B,WAAWD,MAAK,SAASE,GACnExB,EAAEyB,UAAUC,QAAQtB,UAAUuB,eAC9B3B,EAAEyB,UAAUC,QAAQtB,UAAUwB,6BAC9B5B,EAAEyB,UAAUC,QAAQtB,UAAUyB,sBAAuB,CACjDC,QAASN,OAEdO,KAAK7B,aAAa8B,cACtBD,MAAK,WACJzB,IAAIiB,WAAW,yBAA0B,WAAWD,MAAK,SAASE,GAC9DxB,EAAEyB,UAAUC,QAAQtB,UAAUuB,eAC9B3B,EAAEyB,UAAUC,QAAQtB,UAAUwB,6BAC9B5B,EAAEyB,UAAUC,QAAQtB,UAAUyB,sBAAuB,CACjDC,QAASN,EACTS,OAAO,OAEZF,KAAK7B,aAAa8B,cACtBE,QAAO,WA3DV1B,kBAAkB2B,YAAY,cA+DvBlB,SASPmB,uBAAyB,WACdpC,EAAEO,6BACR8B,QAAO,SAASC,GACjBA,EAAEC,iBACF9B,4BAGA+B,aAzHGxC,EAAEO,sCA0HTiC,aAAaC,OAAM,SAASH,GACxBA,EAAEC,iBACFvC,EAAEyB,UAAUC,QAAQtB,UAAUwB,gCAElCY,aAAaE,UAAS,SAASJ,GACtBA,EAAEK,SAAYL,EAAEM,UAAaN,EAAEO,QAAWP,EAAEQ,SACzCR,EAAES,SAAW1C,KAAK2C,OAASV,EAAES,SAAW1C,KAAK4C,QAC7CX,EAAEC,iBACFC,aAAaC,mBAMmC,CAK5DS,KAAM,WACFd"}
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diff --git a/mod/lti/amd/build/contentitem.min.js b/mod/lti/amd/build/contentitem.min.js
index 607b51838fe..f9fa82775cc 100644
--- a/mod/lti/amd/build/contentitem.min.js
+++ b/mod/lti/amd/build/contentitem.min.js
@@ -1,2 +1,16 @@
-define ("mod_lti/contentitem",["jquery","core/notification","core/str","core/templates","mod_lti/form-field","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f,g){var h,i,j=[new e("name",e.TYPES.TEXT,!1,""),new e("introeditor",e.TYPES.EDITOR,!1,""),new e("toolurl",e.TYPES.TEXT,!0,""),new e("securetoolurl",e.TYPES.TEXT,!0,""),new e("instructorchoiceacceptgrades",e.TYPES.CHECKBOX,!0,!0),new e("instructorchoicesendname",e.TYPES.CHECKBOX,!0,!0),new e("instructorchoicesendemailaddr",e.TYPES.CHECKBOX,!0,!0),new e("instructorcustomparameters",e.TYPES.TEXT,!0,""),new e("icon",e.TYPES.TEXT,!0,""),new e("secureicon",e.TYPES.TEXT,!0,""),new e("launchcontainer",e.TYPES.SELECT,!0,0),new e("grade_modgrade_point",e.TYPES.TEXT,!1,""),new e("lineitemresourceid",e.TYPES.TEXT,!0,""),new e("lineitemtag",e.TYPES.TEXT,!0,"")];window.processContentItemReturnData=function(a){if(h){h.hide()}for(var b in j){var c=j[b],d=null;if("undefined"!=typeof a[c.name]){d=a[c.name]}c.setFieldValue(d)}if(i){i()}};return{init:function init(a,e,j){i=j;var k=d.render("mod_lti/contentitem",{url:a,postData:e});if(h){h.setBody(k);h.show();return}c.get_string("selectcontent","lti").then(function(a){return f.create({title:a,body:k,large:!0})}).then(function(a){h=a;a.getRoot().on(g.hidden,function(){a.setBody("");b.fetchNotifications()});a.show()}).catch(b.exception)}}});
-//# sourceMappingURL=contentitem.min.js.map
+/**
+ * Launches the modal dialogue that contains the iframe that sends the Content-Item selection request to an
+ * LTI tool provider that supports Content-Item type message.
+ *
+ * See template: mod_lti/contentitem
+ *
+ * @module     mod_lti/contentitem
+ * @class      contentitem
+ * @package    mod_lti
+ * @copyright  2016 Jun Pataleta <jun@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.2
+ */
+define("mod_lti/contentitem",["jquery","core/notification","core/str","core/templates","mod_lti/form-field","core/modal_factory","core/modal_events"],(function($,notification,str,templates,FormField,ModalFactory,ModalEvents){var dialogue,doneCallback,contentItem={init:function(url,postData,cb){doneCallback=cb;var context={url:url,postData:postData},bodyPromise=templates.render("mod_lti/contentitem",context);if(dialogue)return dialogue.setBody(bodyPromise),void dialogue.show();str.get_string("selectcontent","lti").then((function(title){return ModalFactory.create({title:title,body:bodyPromise,large:!0})})).then((function(modal){dialogue=modal,modal.getRoot().on(ModalEvents.hidden,(function(){modal.setBody(""),notification.fetchNotifications()})),modal.show()})).catch(notification.exception)}},ltiFormFields=[new FormField("name",FormField.TYPES.TEXT,!1,""),new FormField("introeditor",FormField.TYPES.EDITOR,!1,""),new FormField("toolurl",FormField.TYPES.TEXT,!0,""),new FormField("securetoolurl",FormField.TYPES.TEXT,!0,""),new FormField("instructorchoiceacceptgrades",FormField.TYPES.CHECKBOX,!0,!0),new FormField("instructorchoicesendname",FormField.TYPES.CHECKBOX,!0,!0),new FormField("instructorchoicesendemailaddr",FormField.TYPES.CHECKBOX,!0,!0),new FormField("instructorcustomparameters",FormField.TYPES.TEXT,!0,""),new FormField("icon",FormField.TYPES.TEXT,!0,""),new FormField("secureicon",FormField.TYPES.TEXT,!0,""),new FormField("launchcontainer",FormField.TYPES.SELECT,!0,0),new FormField("grade_modgrade_point",FormField.TYPES.TEXT,!1,""),new FormField("lineitemresourceid",FormField.TYPES.TEXT,!0,""),new FormField("lineitemtag",FormField.TYPES.TEXT,!0,"")];return window.processContentItemReturnData=function(returnData){var index;for(index in dialogue&&dialogue.hide(),ltiFormFields){var field=ltiFormFields[index],value=null;void 0!==returnData[field.name]&&(value=returnData[field.name]),field.setFieldValue(value)}doneCallback&&doneCallback()},contentItem}));
+
+//# sourceMappingURL=contentitem.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/contentitem.min.js.map b/mod/lti/amd/build/contentitem.min.js.map
index 32c354f6600..3a9357371f0 100644
--- a/mod/lti/amd/build/contentitem.min.js.map
+++ b/mod/lti/amd/build/contentitem.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/contentitem.js"],"names":["define","$","notification","str","templates","FormField","ModalFactory","ModalEvents","dialogue","doneCallback","ltiFormFields","TYPES","TEXT","EDITOR","CHECKBOX","SELECT","window","processContentItemReturnData","returnData","hide","index","field","value","name","setFieldValue","init","url","postData","cb","bodyPromise","render","setBody","show","get_string","then","title","create","body","large","modal","getRoot","on","hidden","fetchNotifications","catch","exception"],"mappings":"AA4BAA,OAAM,uBACF,CACI,QADJ,CAEI,mBAFJ,CAGI,UAHJ,CAII,gBAJJ,CAKI,oBALJ,CAMI,oBANJ,CAOI,mBAPJ,CADE,CAUF,SAASC,CAAT,CAAYC,CAAZ,CAA0BC,CAA1B,CAA+BC,CAA/B,CAA0CC,CAA1C,CAAqDC,CAArD,CAAmEC,CAAnE,CAAgF,IACxEC,CAAAA,CADwE,CAExEC,CAFwE,CAwDxEC,CAAa,CAAG,CAChB,GAAIL,CAAAA,CAAJ,CAAc,MAAd,CAAsBA,CAAS,CAACM,KAAV,CAAgBC,IAAtC,IAAmD,EAAnD,CADgB,CAEhB,GAAIP,CAAAA,CAAJ,CAAc,aAAd,CAA6BA,CAAS,CAACM,KAAV,CAAgBE,MAA7C,IAA4D,EAA5D,CAFgB,CAGhB,GAAIR,CAAAA,CAAJ,CAAc,SAAd,CAAyBA,CAAS,CAACM,KAAV,CAAgBC,IAAzC,IAAqD,EAArD,CAHgB,CAIhB,GAAIP,CAAAA,CAAJ,CAAc,eAAd,CAA+BA,CAAS,CAACM,KAAV,CAAgBC,IAA/C,IAA2D,EAA3D,CAJgB,CAKhB,GAAIP,CAAAA,CAAJ,CAAc,8BAAd,CAA8CA,CAAS,CAACM,KAAV,CAAgBG,QAA9D,OALgB,CAMhB,GAAIT,CAAAA,CAAJ,CAAc,0BAAd,CAA0CA,CAAS,CAACM,KAAV,CAAgBG,QAA1D,OANgB,CAOhB,GAAIT,CAAAA,CAAJ,CAAc,+BAAd,CAA+CA,CAAS,CAACM,KAAV,CAAgBG,QAA/D,OAPgB,CAQhB,GAAIT,CAAAA,CAAJ,CAAc,4BAAd,CAA4CA,CAAS,CAACM,KAAV,CAAgBC,IAA5D,IAAwE,EAAxE,CARgB,CAShB,GAAIP,CAAAA,CAAJ,CAAc,MAAd,CAAsBA,CAAS,CAACM,KAAV,CAAgBC,IAAtC,IAAkD,EAAlD,CATgB,CAUhB,GAAIP,CAAAA,CAAJ,CAAc,YAAd,CAA4BA,CAAS,CAACM,KAAV,CAAgBC,IAA5C,IAAwD,EAAxD,CAVgB,CAWhB,GAAIP,CAAAA,CAAJ,CAAc,iBAAd,CAAiCA,CAAS,CAACM,KAAV,CAAgBI,MAAjD,IAA+D,CAA/D,CAXgB,CAYhB,GAAIV,CAAAA,CAAJ,CAAc,sBAAd,CAAsCA,CAAS,CAACM,KAAV,CAAgBC,IAAtD,IAAmE,EAAnE,CAZgB,CAahB,GAAIP,CAAAA,CAAJ,CAAc,oBAAd,CAAoCA,CAAS,CAACM,KAAV,CAAgBC,IAApD,IAAgE,EAAhE,CAbgB,CAchB,GAAIP,CAAAA,CAAJ,CAAc,aAAd,CAA6BA,CAAS,CAACM,KAAV,CAAgBC,IAA7C,IAAyD,EAAzD,CAdgB,CAxDwD,CA8E5EI,MAAM,CAACC,4BAAP,CAAsC,SAASC,CAAT,CAAqB,CACvD,GAAIV,CAAJ,CAAc,CACVA,CAAQ,CAACW,IAAT,EACH,CAID,OAAKC,CAAAA,CAAL,GAAcV,CAAAA,CAAd,CAA6B,IACrBW,CAAAA,CAAK,CAAGX,CAAa,CAACU,CAAD,CADA,CAErBE,CAAK,CAAG,IAFa,CAGzB,GAAsC,WAAlC,QAAOJ,CAAAA,CAAU,CAACG,CAAK,CAACE,IAAP,CAArB,CAAmD,CAC/CD,CAAK,CAAGJ,CAAU,CAACG,CAAK,CAACE,IAAP,CACrB,CACDF,CAAK,CAACG,aAAN,CAAoBF,CAApB,CACH,CAED,GAAIb,CAAJ,CAAkB,CACdA,CAAY,EACf,CACJ,CAnBD,CAqBA,MAhGkB,CAQdgB,IAAI,CAAE,cAASC,CAAT,CAAcC,CAAd,CAAwBC,CAAxB,CAA4B,CAC9BnB,CAAY,CAAGmB,CAAf,CAD8B,GAM1BC,CAAAA,CAAW,CAAGzB,CAAS,CAAC0B,MAAV,CAAiB,qBAAjB,CAJJ,CACVJ,GAAG,CAAEA,CADK,CAEVC,QAAQ,CAAEA,CAFA,CAII,CANY,CAQ9B,GAAInB,CAAJ,CAAc,CAEVA,CAAQ,CAACuB,OAAT,CAAiBF,CAAjB,EAEArB,CAAQ,CAACwB,IAAT,GACA,MACH,CAED7B,CAAG,CAAC8B,UAAJ,CAAe,eAAf,CAAgC,KAAhC,EAAuCC,IAAvC,CAA4C,SAASC,CAAT,CAAgB,CACxD,MAAO7B,CAAAA,CAAY,CAAC8B,MAAb,CAAoB,CACvBD,KAAK,CAAEA,CADgB,CAEvBE,IAAI,CAAER,CAFiB,CAGvBS,KAAK,GAHkB,CAApB,CAKV,CAND,EAMGJ,IANH,CAMQ,SAASK,CAAT,CAAgB,CACpB/B,CAAQ,CAAG+B,CAAX,CAEAA,CAAK,CAACC,OAAN,GAAgBC,EAAhB,CAAmBlC,CAAW,CAACmC,MAA/B,CAAuC,UAAW,CAE9CH,CAAK,CAACR,OAAN,CAAc,EAAd,EAGA7B,CAAY,CAACyC,kBAAb,EACH,CAND,EASAJ,CAAK,CAACP,IAAN,EAEH,CApBD,EAoBGY,KApBH,CAoBS1C,CAAY,CAAC2C,SApBtB,CAqBH,CA7Ca,CAiGrB,CA9GC,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Launches the modal dialogue that contains the iframe that sends the Content-Item selection request to an\n * LTI tool provider that supports Content-Item type message.\n *\n * See template: mod_lti/contentitem\n *\n * @module     mod_lti/contentitem\n * @class      contentitem\n * @package    mod_lti\n * @copyright  2016 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(\n    [\n        'jquery',\n        'core/notification',\n        'core/str',\n        'core/templates',\n        'mod_lti/form-field',\n        'core/modal_factory',\n        'core/modal_events'\n    ],\n    function($, notification, str, templates, FormField, ModalFactory, ModalEvents) {\n        var dialogue;\n        var doneCallback;\n        var contentItem = {\n            /**\n             * Init function.\n             *\n             * @param {string} url The URL for the content item selection.\n             * @param {object} postData The data to be sent for the content item selection request.\n             * @param {Function} cb The callback to run once the content item has been processed.\n             */\n            init: function(url, postData, cb) {\n                doneCallback = cb;\n                var context = {\n                    url: url,\n                    postData: postData\n                };\n                var bodyPromise = templates.render('mod_lti/contentitem', context);\n\n                if (dialogue) {\n                    // Set dialogue body.\n                    dialogue.setBody(bodyPromise);\n                    // Display the dialogue.\n                    dialogue.show();\n                    return;\n                }\n\n                str.get_string('selectcontent', 'lti').then(function(title) {\n                    return ModalFactory.create({\n                        title: title,\n                        body: bodyPromise,\n                        large: true\n                    });\n                }).then(function(modal) {\n                    dialogue = modal;\n                    // On hide handler.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Empty modal contents when it's hidden.\n                        modal.setBody('');\n\n                        // Fetch notifications.\n                        notification.fetchNotifications();\n                    });\n\n                    // Display the dialogue.\n                    modal.show();\n                    return;\n                }).catch(notification.exception);\n            }\n        };\n\n        /**\n         * Array of form fields for LTI tool configuration.\n         *\n         * @type {*[]}\n         */\n        var ltiFormFields = [\n            new FormField('name', FormField.TYPES.TEXT, false, ''),\n            new FormField('introeditor', FormField.TYPES.EDITOR, false, ''),\n            new FormField('toolurl', FormField.TYPES.TEXT, true, ''),\n            new FormField('securetoolurl', FormField.TYPES.TEXT, true, ''),\n            new FormField('instructorchoiceacceptgrades', FormField.TYPES.CHECKBOX, true, true),\n            new FormField('instructorchoicesendname', FormField.TYPES.CHECKBOX, true, true),\n            new FormField('instructorchoicesendemailaddr', FormField.TYPES.CHECKBOX, true, true),\n            new FormField('instructorcustomparameters', FormField.TYPES.TEXT, true, ''),\n            new FormField('icon', FormField.TYPES.TEXT, true, ''),\n            new FormField('secureicon', FormField.TYPES.TEXT, true, ''),\n            new FormField('launchcontainer', FormField.TYPES.SELECT, true, 0),\n            new FormField('grade_modgrade_point', FormField.TYPES.TEXT, false, ''),\n            new FormField('lineitemresourceid', FormField.TYPES.TEXT, true, ''),\n            new FormField('lineitemtag', FormField.TYPES.TEXT, true, '')\n        ];\n\n        /**\n         * Window function that can be called from mod_lti/contentitem_return to close the dialogue and process the return data.\n         *\n         * @param {object} returnData The fetched configuration data from the Content-Item selection dialogue.\n         */\n        window.processContentItemReturnData = function(returnData) {\n            if (dialogue) {\n                dialogue.hide();\n            }\n\n            // Populate LTI configuration fields from return data.\n            var index;\n            for (index in ltiFormFields) {\n                var field = ltiFormFields[index];\n                var value = null;\n                if (typeof returnData[field.name] !== 'undefined') {\n                    value = returnData[field.name];\n                }\n                field.setFieldValue(value);\n            }\n\n            if (doneCallback) {\n                doneCallback();\n            }\n        };\n\n        return contentItem;\n    }\n);\n"],"file":"contentitem.min.js"}
\ No newline at end of file
+{"version":3,"file":"contentitem.min.js","sources":["../src/contentitem.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Launches the modal dialogue that contains the iframe that sends the Content-Item selection request to an\n * LTI tool provider that supports Content-Item type message.\n *\n * See template: mod_lti/contentitem\n *\n * @module     mod_lti/contentitem\n * @class      contentitem\n * @package    mod_lti\n * @copyright  2016 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(\n    [\n        'jquery',\n        'core/notification',\n        'core/str',\n        'core/templates',\n        'mod_lti/form-field',\n        'core/modal_factory',\n        'core/modal_events'\n    ],\n    function($, notification, str, templates, FormField, ModalFactory, ModalEvents) {\n        var dialogue;\n        var doneCallback;\n        var contentItem = {\n            /**\n             * Init function.\n             *\n             * @param {string} url The URL for the content item selection.\n             * @param {object} postData The data to be sent for the content item selection request.\n             * @param {Function} cb The callback to run once the content item has been processed.\n             */\n            init: function(url, postData, cb) {\n                doneCallback = cb;\n                var context = {\n                    url: url,\n                    postData: postData\n                };\n                var bodyPromise = templates.render('mod_lti/contentitem', context);\n\n                if (dialogue) {\n                    // Set dialogue body.\n                    dialogue.setBody(bodyPromise);\n                    // Display the dialogue.\n                    dialogue.show();\n                    return;\n                }\n\n                str.get_string('selectcontent', 'lti').then(function(title) {\n                    return ModalFactory.create({\n                        title: title,\n                        body: bodyPromise,\n                        large: true\n                    });\n                }).then(function(modal) {\n                    dialogue = modal;\n                    // On hide handler.\n                    modal.getRoot().on(ModalEvents.hidden, function() {\n                        // Empty modal contents when it's hidden.\n                        modal.setBody('');\n\n                        // Fetch notifications.\n                        notification.fetchNotifications();\n                    });\n\n                    // Display the dialogue.\n                    modal.show();\n                    return;\n                }).catch(notification.exception);\n            }\n        };\n\n        /**\n         * Array of form fields for LTI tool configuration.\n         *\n         * @type {*[]}\n         */\n        var ltiFormFields = [\n            new FormField('name', FormField.TYPES.TEXT, false, ''),\n            new FormField('introeditor', FormField.TYPES.EDITOR, false, ''),\n            new FormField('toolurl', FormField.TYPES.TEXT, true, ''),\n            new FormField('securetoolurl', FormField.TYPES.TEXT, true, ''),\n            new FormField('instructorchoiceacceptgrades', FormField.TYPES.CHECKBOX, true, true),\n            new FormField('instructorchoicesendname', FormField.TYPES.CHECKBOX, true, true),\n            new FormField('instructorchoicesendemailaddr', FormField.TYPES.CHECKBOX, true, true),\n            new FormField('instructorcustomparameters', FormField.TYPES.TEXT, true, ''),\n            new FormField('icon', FormField.TYPES.TEXT, true, ''),\n            new FormField('secureicon', FormField.TYPES.TEXT, true, ''),\n            new FormField('launchcontainer', FormField.TYPES.SELECT, true, 0),\n            new FormField('grade_modgrade_point', FormField.TYPES.TEXT, false, ''),\n            new FormField('lineitemresourceid', FormField.TYPES.TEXT, true, ''),\n            new FormField('lineitemtag', FormField.TYPES.TEXT, true, '')\n        ];\n\n        /**\n         * Window function that can be called from mod_lti/contentitem_return to close the dialogue and process the return data.\n         *\n         * @param {object} returnData The fetched configuration data from the Content-Item selection dialogue.\n         */\n        window.processContentItemReturnData = function(returnData) {\n            if (dialogue) {\n                dialogue.hide();\n            }\n\n            // Populate LTI configuration fields from return data.\n            var index;\n            for (index in ltiFormFields) {\n                var field = ltiFormFields[index];\n                var value = null;\n                if (typeof returnData[field.name] !== 'undefined') {\n                    value = returnData[field.name];\n                }\n                field.setFieldValue(value);\n            }\n\n            if (doneCallback) {\n                doneCallback();\n            }\n        };\n\n        return contentItem;\n    }\n);\n"],"names":["define","$","notification","str","templates","FormField","ModalFactory","ModalEvents","dialogue","doneCallback","contentItem","init","url","postData","cb","context","bodyPromise","render","setBody","show","get_string","then","title","create","body","large","modal","getRoot","on","hidden","fetchNotifications","catch","exception","ltiFormFields","TYPES","TEXT","EDITOR","CHECKBOX","SELECT","window","processContentItemReturnData","returnData","index","hide","field","value","name","setFieldValue"],"mappings":";;;;;;;;;;;;;AA4BAA,6BACI,CACI,SACA,oBACA,WACA,iBACA,qBACA,qBACA,sBAEJ,SAASC,EAAGC,aAAcC,IAAKC,UAAWC,UAAWC,aAAcC,iBAC3DC,SACAC,aACAC,YAAc,CAQdC,KAAM,SAASC,IAAKC,SAAUC,IAC1BL,aAAeK,OACXC,QAAU,CACVH,IAAKA,IACLC,SAAUA,UAEVG,YAAcZ,UAAUa,OAAO,sBAAuBF,YAEtDP,gBAEAA,SAASU,QAAQF,kBAEjBR,SAASW,OAIbhB,IAAIiB,WAAW,gBAAiB,OAAOC,MAAK,SAASC,cAC1ChB,aAAaiB,OAAO,CACvBD,MAAOA,MACPE,KAAMR,YACNS,OAAO,OAEZJ,MAAK,SAASK,OACblB,SAAWkB,MAEXA,MAAMC,UAAUC,GAAGrB,YAAYsB,QAAQ,WAEnCH,MAAMR,QAAQ,IAGdhB,aAAa4B,wBAIjBJ,MAAMP,UAEPY,MAAM7B,aAAa8B,aAS1BC,cAAgB,CAChB,IAAI5B,UAAU,OAAQA,UAAU6B,MAAMC,MAAM,EAAO,IACnD,IAAI9B,UAAU,cAAeA,UAAU6B,MAAME,QAAQ,EAAO,IAC5D,IAAI/B,UAAU,UAAWA,UAAU6B,MAAMC,MAAM,EAAM,IACrD,IAAI9B,UAAU,gBAAiBA,UAAU6B,MAAMC,MAAM,EAAM,IAC3D,IAAI9B,UAAU,+BAAgCA,UAAU6B,MAAMG,UAAU,GAAM,GAC9E,IAAIhC,UAAU,2BAA4BA,UAAU6B,MAAMG,UAAU,GAAM,GAC1E,IAAIhC,UAAU,gCAAiCA,UAAU6B,MAAMG,UAAU,GAAM,GAC/E,IAAIhC,UAAU,6BAA8BA,UAAU6B,MAAMC,MAAM,EAAM,IACxE,IAAI9B,UAAU,OAAQA,UAAU6B,MAAMC,MAAM,EAAM,IAClD,IAAI9B,UAAU,aAAcA,UAAU6B,MAAMC,MAAM,EAAM,IACxD,IAAI9B,UAAU,kBAAmBA,UAAU6B,MAAMI,QAAQ,EAAM,GAC/D,IAAIjC,UAAU,uBAAwBA,UAAU6B,MAAMC,MAAM,EAAO,IACnE,IAAI9B,UAAU,qBAAsBA,UAAU6B,MAAMC,MAAM,EAAM,IAChE,IAAI9B,UAAU,cAAeA,UAAU6B,MAAMC,MAAM,EAAM,YAQ7DI,OAAOC,6BAA+B,SAASC,gBAMvCC,UACCA,SANDlC,UACAA,SAASmC,OAKCV,cAAe,KACrBW,MAAQX,cAAcS,OACtBG,MAAQ,UAC0B,IAA3BJ,WAAWG,MAAME,QACxBD,MAAQJ,WAAWG,MAAME,OAE7BF,MAAMG,cAAcF,OAGpBpC,cACAA,gBAIDC"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/contentitem_return.min.js b/mod/lti/amd/build/contentitem_return.min.js
index 92dedc26786..1a77f33ccb7 100644
--- a/mod/lti/amd/build/contentitem_return.min.js
+++ b/mod/lti/amd/build/contentitem_return.min.js
@@ -1,2 +1,13 @@
-define ("mod_lti/contentitem_return",["jquery"],function(a){return{init:function init(b){a(window).ready(function(){if(window!=top){parent.processContentItemReturnData(b)}else{window.processContentItemReturnData(b)}})}}});
-//# sourceMappingURL=contentitem_return.min.js.map
+/**
+ * Processes the result of LTI tool creation from a Content-Item message type.
+ *
+ * @module     mod_lti/contentitem_return
+ * @class      contentitem_return
+ * @package    mod_lti
+ * @copyright  2016 Jun Pataleta <jun@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.2
+ */
+define("mod_lti/contentitem_return",["jquery"],(function($){return{init:function(returnData){$(window).ready((function(){window!=top?parent.processContentItemReturnData(returnData):window.processContentItemReturnData(returnData)}))}}}));
+
+//# sourceMappingURL=contentitem_return.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/contentitem_return.min.js.map b/mod/lti/amd/build/contentitem_return.min.js.map
index 167b23a7fed..cfafd1eaf40 100644
--- a/mod/lti/amd/build/contentitem_return.min.js.map
+++ b/mod/lti/amd/build/contentitem_return.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/contentitem_return.js"],"names":["define","$","init","returnData","window","ready","top","parent","processContentItemReturnData"],"mappings":"AAyBAA,OAAM,8BAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAC3B,MAAO,CAMHC,IAAI,CAAE,cAASC,CAAT,CAAqB,CAEvBF,CAAC,CAACG,MAAD,CAAD,CAAUC,KAAV,CAAgB,UAAW,CACvB,GAAID,MAAM,EAAIE,GAAd,CAAmB,CAEfC,MAAM,CAACC,4BAAP,CAAoCL,CAApC,CACH,CAHD,IAGO,CACHC,MAAM,CAACI,4BAAP,CAAoCL,CAApC,CACH,CACJ,CAPD,CAQH,CAhBE,CAkBV,CAnBK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Processes the result of LTI tool creation from a Content-Item message type.\n *\n * @module     mod_lti/contentitem_return\n * @class      contentitem_return\n * @package    mod_lti\n * @copyright  2016 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery'], function($) {\n    return {\n        /**\n         * Init function.\n         *\n         * @param {string} returnData The returned data.\n         */\n        init: function(returnData) {\n            // Make sure the window has loaded before we perform processing.\n            $(window).ready(function() {\n                if (window != top) {\n                    // Send return data to be processed by the parent window.\n                    parent.processContentItemReturnData(returnData);\n                } else {\n                    window.processContentItemReturnData(returnData);\n                }\n            });\n        }\n    };\n});\n"],"file":"contentitem_return.min.js"}
\ No newline at end of file
+{"version":3,"file":"contentitem_return.min.js","sources":["../src/contentitem_return.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Processes the result of LTI tool creation from a Content-Item message type.\n *\n * @module     mod_lti/contentitem_return\n * @class      contentitem_return\n * @package    mod_lti\n * @copyright  2016 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery'], function($) {\n    return {\n        /**\n         * Init function.\n         *\n         * @param {string} returnData The returned data.\n         */\n        init: function(returnData) {\n            // Make sure the window has loaded before we perform processing.\n            $(window).ready(function() {\n                if (window != top) {\n                    // Send return data to be processed by the parent window.\n                    parent.processContentItemReturnData(returnData);\n                } else {\n                    window.processContentItemReturnData(returnData);\n                }\n            });\n        }\n    };\n});\n"],"names":["define","$","init","returnData","window","ready","top","parent","processContentItemReturnData"],"mappings":";;;;;;;;;;AAyBAA,oCAAO,CAAC,WAAW,SAASC,SACjB,CAMHC,KAAM,SAASC,YAEXF,EAAEG,QAAQC,OAAM,WACRD,QAAUE,IAEVC,OAAOC,6BAA6BL,YAEpCC,OAAOI,6BAA6BL"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/events.min.js b/mod/lti/amd/build/events.min.js
index 1304f8faf15..27659315326 100644
--- a/mod/lti/amd/build/events.min.js
+++ b/mod/lti/amd/build/events.min.js
@@ -1,2 +1,14 @@
-define ("mod_lti/events",[],function(){return{NEW_TOOL_TYPE:"lti.tool.type.new",START_EXTERNAL_REGISTRATION:"lti.registration.external.start",STOP_EXTERNAL_REGISTRATION:"lti.registration.external.stop",START_CARTRIDGE_REGISTRATION:"lti.registration.cartridge.start",STOP_CARTRIDGE_REGISTRATION:"lti.registration.cartridge.stop",REGISTRATION_FEEDBACK:"lti.registration.feedback",CAPABILITIES_AGREE:"lti.tool.type.capabilities.agree",CAPABILITIES_DECLINE:"lti.tool.type.capabilities.decline"}});
-//# sourceMappingURL=events.min.js.map
+/**
+ * Provides a list of events that can be triggered in the LTI management
+ * page.
+ *
+ * @module     mod_lti/events
+ * @class      events
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/events",[],(function(){return{NEW_TOOL_TYPE:"lti.tool.type.new",START_EXTERNAL_REGISTRATION:"lti.registration.external.start",STOP_EXTERNAL_REGISTRATION:"lti.registration.external.stop",START_CARTRIDGE_REGISTRATION:"lti.registration.cartridge.start",STOP_CARTRIDGE_REGISTRATION:"lti.registration.cartridge.stop",REGISTRATION_FEEDBACK:"lti.registration.feedback",CAPABILITIES_AGREE:"lti.tool.type.capabilities.agree",CAPABILITIES_DECLINE:"lti.tool.type.capabilities.decline"}}));
+
+//# sourceMappingURL=events.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/events.min.js.map b/mod/lti/amd/build/events.min.js.map
index ee17d3526c5..b301df4d34d 100644
--- a/mod/lti/amd/build/events.min.js.map
+++ b/mod/lti/amd/build/events.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/events.js"],"names":["define","NEW_TOOL_TYPE","START_EXTERNAL_REGISTRATION","STOP_EXTERNAL_REGISTRATION","START_CARTRIDGE_REGISTRATION","STOP_CARTRIDGE_REGISTRATION","REGISTRATION_FEEDBACK","CAPABILITIES_AGREE","CAPABILITIES_DECLINE"],"mappings":"AA0BAA,OAAM,kBAAC,EAAD,CAAK,UAAW,CAClB,MAA2C,CACvCC,aAAa,CAAE,mBADwB,CAEvCC,2BAA2B,CAAE,iCAFU,CAGvCC,0BAA0B,CAAE,gCAHW,CAIvCC,4BAA4B,CAAE,kCAJS,CAKvCC,2BAA2B,CAAE,iCALU,CAMvCC,qBAAqB,CAAE,2BANgB,CAOvCC,kBAAkB,CAAE,kCAPmB,CAQvCC,oBAAoB,CAAE,oCARiB,CAU9C,CAXK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provides a list of events that can be triggered in the LTI management\n * page.\n *\n * @module     mod_lti/events\n * @class      events\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine([], function() {\n    return /** @alias module:mod_lti/events */ {\n        NEW_TOOL_TYPE: 'lti.tool.type.new',\n        START_EXTERNAL_REGISTRATION: 'lti.registration.external.start',\n        STOP_EXTERNAL_REGISTRATION: 'lti.registration.external.stop',\n        START_CARTRIDGE_REGISTRATION: 'lti.registration.cartridge.start',\n        STOP_CARTRIDGE_REGISTRATION: 'lti.registration.cartridge.stop',\n        REGISTRATION_FEEDBACK: 'lti.registration.feedback',\n        CAPABILITIES_AGREE: 'lti.tool.type.capabilities.agree',\n        CAPABILITIES_DECLINE: 'lti.tool.type.capabilities.decline',\n    };\n});\n"],"file":"events.min.js"}
\ No newline at end of file
+{"version":3,"file":"events.min.js","sources":["../src/events.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provides a list of events that can be triggered in the LTI management\n * page.\n *\n * @module     mod_lti/events\n * @class      events\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine([], function() {\n    return /** @alias module:mod_lti/events */ {\n        NEW_TOOL_TYPE: 'lti.tool.type.new',\n        START_EXTERNAL_REGISTRATION: 'lti.registration.external.start',\n        STOP_EXTERNAL_REGISTRATION: 'lti.registration.external.stop',\n        START_CARTRIDGE_REGISTRATION: 'lti.registration.cartridge.start',\n        STOP_CARTRIDGE_REGISTRATION: 'lti.registration.cartridge.stop',\n        REGISTRATION_FEEDBACK: 'lti.registration.feedback',\n        CAPABILITIES_AGREE: 'lti.tool.type.capabilities.agree',\n        CAPABILITIES_DECLINE: 'lti.tool.type.capabilities.decline',\n    };\n});\n"],"names":["define","NEW_TOOL_TYPE","START_EXTERNAL_REGISTRATION","STOP_EXTERNAL_REGISTRATION","START_CARTRIDGE_REGISTRATION","STOP_CARTRIDGE_REGISTRATION","REGISTRATION_FEEDBACK","CAPABILITIES_AGREE","CAPABILITIES_DECLINE"],"mappings":";;;;;;;;;;;AA0BAA,wBAAO,IAAI,iBACoC,CACvCC,cAAe,oBACfC,4BAA6B,kCAC7BC,2BAA4B,iCAC5BC,6BAA8B,mCAC9BC,4BAA6B,kCAC7BC,sBAAuB,4BACvBC,mBAAoB,mCACpBC,qBAAsB"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/external_registration.min.js b/mod/lti/amd/build/external_registration.min.js
index d201343faf5..587d271026e 100644
--- a/mod/lti/amd/build/external_registration.min.js
+++ b/mod/lti/amd/build/external_registration.min.js
@@ -1,2 +1,19 @@
-define ("mod_lti/external_registration",["jquery","core/ajax","core/notification","core/templates","mod_lti/events","mod_lti/tool_proxy","mod_lti/tool_type","mod_lti/keys","core/str"],function(a,b,c,d,e,f,g,h,i){var j={EXTERNAL_REGISTRATION_CONTAINER:"#external-registration-page-container",EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER:"#external-registration-template-container",EXTERNAL_REGISTRATION_CANCEL_BUTTON:"#cancel-external-registration",TOOL_TYPE_CAPABILITIES_CONTAINER:"#tool-type-capabilities-container",TOOL_TYPE_CAPABILITIES_TEMPLATE_CONTAINER:"#tool-type-capabilities-template-container",CAPABILITIES_AGREE_CONTAINER:".capabilities-container"},k=function(){return a(j.EXTERNAL_REGISTRATION_CANCEL_BUTTON)},l=function(){return a(j.EXTERNAL_REGISTRATION_CONTAINER)},m=function(){return a(j.EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER)},n=function(){return a(j.TOOL_TYPE_CAPABILITIES_CONTAINER)},o=function(){return a(j.TOOL_TYPE_CAPABILITIES_TEMPLATE_CONTAINER)},p=function(){n().addClass("loading")},q=function(){n().removeClass("loading")},r=function(){k().addClass("loading")},s=function(){k().removeClass("loading")},t=function(){n().addClass("hidden")},u=function(){n().removeClass("hidden")},v=function(){l().addClass("hidden")},w=function(){l().removeClass("hidden")},x=function(a){var b=k();b.attr("data-tool-proxy-id",a)},y=function(){var a=k();return a.attr("data-tool-proxy-id")},z=function(){var a=k();a.removeAttr("data-tool-proxy-id")},A=function(){return y()?!0:!1},B=function(){var a=k();return a.attr("data-tool-proxy-new")&&A()},C=function(){var a=k();return a.attr("data-tool-proxy-new","new")},D=function(){var a=k();return a.removeAttr("data-tool-proxy-new")},E=function(a){return b.call([{methodname:"mod_lti_get_tool_proxy_registration_request",args:{id:a}}])[0]},F=function(){r();var b=a.Deferred();if(B()){var d=y();f.delete(d).done(function(){b.resolve()}).fail(function(a){b.reject(a)})}else{b.resolve()}b.done(function(){L();s()}).fail(function(b){c.exception(b);L();s();i.get_string("failedtodeletetoolproxy","mod_lti").done(function(b){a(document).trigger(e.REGISTRATION_FEEDBACK,{message:b,error:!0})}).fail(c.exception)});return b},G=function(a){var b=d.render("mod_lti/tool_proxy_registration_form",a);b.done(function(a,b){var c=m();c.append(a);d.runTemplateJS(b);c.find("form").submit();w()}).fail(c.exception);return b},H=function(a){return g.update({id:a.id,state:g.constants.state.configured})},I=function(b){var f=a.Deferred();d.render("mod_lti/tool_type_capabilities_agree",b).done(function(a,c){var g=o();v();u();d.replaceNodeContents(g,a,c);var h=g.find(j.CAPABILITIES_AGREE_CONTAINER);h.on(e.CAPABILITIES_AGREE,function(){p();H(b).always(function(){q();g.empty();f.resolve()})});h.on(e.CAPABILITIES_DECLINE,function(){g.empty();f.resolve()})}).fail(f.reject);f.done(function(){t()}).fail(c.exception);return f},J=function(b){var c=a.Deferred();if(!b||""===b){c.resolve()}else{f.create({regurl:b}).done(function(a){C();c=K(a.id)}).fail(function(b){F();var d={message:b.message,error:!0};a(document).trigger(e.REGISTRATION_FEEDBACK,d);c.reject(b)})}return c},K=function(b){var c=a.Deferred();x(b);E(b).done(function(a){G(a).done(function(){c.resolve()}).fail(c.fail)}).fail(c.fail);return c},L=function(){if(A()){z()}D(!1);v();var b=m();b.empty();a(document).trigger(e.STOP_EXTERNAL_REGISTRATION)},M=function(){a(document).on(e.START_EXTERNAL_REGISTRATION,function(a,b){if(!b){return}if(b.url){J(b.url)}if(b.proxyid){K(b.proxyid)}});var b=k();b.click(function(a){a.preventDefault();F()});b.keypress(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(a.keyCode==h.ENTER||a.keyCode==h.SPACE){a.preventDefault();F()}}});window.triggerExternalRegistrationComplete=function(b){var d=a.Deferred(),f={message:"",error:!1};if("success"==b.status){i.get_string("successfullycreatedtooltype","mod_lti").done(function(a){f.message=a}).fail(c.exception);d.done(function(){L();a(document).trigger(e.REGISTRATION_FEEDBACK,f);a(document).trigger(e.NEW_TOOL_TYPE)}).fail(c.exception);if(B()){var h=y();g.getFromToolProxyId(h).done(function(a){if(a&&a.length){var b=a[0];if(b.hascapabilitygroups){I(b).always(function(){d.resolve()})}else{d.resolve()}}else{d.resolve()}}).fail(function(){d.resolve()})}}else{f.message=b.error;f.error=!0;d.done(function(){F().always(function(){a(document).trigger(e.REGISTRATION_FEEDBACK,f)})}).fail(c.exception);d.resolve()}return d}};return{init:function init(){M()}}});
-//# sourceMappingURL=external_registration.min.js.map
+/**
+ * Encapsules the behavior for creating a tool type and tool proxy from a
+ * registration url in Moodle.
+ *
+ * Manages the UI while operations are occuring, including rendering external
+ * registration page within the iframe.
+ *
+ * See template: mod_lti/external_registration
+ *
+ * @module     mod_lti/external_registration
+ * @class      external_registration
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/external_registration",["jquery","core/ajax","core/notification","core/templates","mod_lti/events","mod_lti/tool_proxy","mod_lti/tool_type","mod_lti/keys","core/str"],(function($,ajax,notification,templates,ltiEvents,toolProxy,toolType,KEYS,str){var SELECTORS_EXTERNAL_REGISTRATION_CONTAINER="#external-registration-page-container",SELECTORS_EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER="#external-registration-template-container",SELECTORS_EXTERNAL_REGISTRATION_CANCEL_BUTTON="#cancel-external-registration",SELECTORS_TOOL_TYPE_CAPABILITIES_CONTAINER="#tool-type-capabilities-container",SELECTORS_TOOL_TYPE_CAPABILITIES_TEMPLATE_CONTAINER="#tool-type-capabilities-template-container",SELECTORS_CAPABILITIES_AGREE_CONTAINER=".capabilities-container",getExternalRegistrationCancelButton=function(){return $(SELECTORS_EXTERNAL_REGISTRATION_CANCEL_BUTTON)},getExternalRegistrationContainer=function(){return $(SELECTORS_EXTERNAL_REGISTRATION_CONTAINER)},getExternalRegistrationTemplateContainer=function(){return $(SELECTORS_EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER)},getToolTypeCapabilitiesContainer=function(){return $(SELECTORS_TOOL_TYPE_CAPABILITIES_CONTAINER)},stopLoadingCancel=function(){getExternalRegistrationCancelButton().removeClass("loading")},hideExternalRegistrationContent=function(){getExternalRegistrationContainer().addClass("hidden")},getToolProxyId=function(){return getExternalRegistrationCancelButton().attr("data-tool-proxy-id")},hasToolProxyId=function(){return!!getToolProxyId()},hasCreatedToolProxy=function(){return getExternalRegistrationCancelButton().attr("data-tool-proxy-new")&&hasToolProxyId()},cancelRegistration=function(){getExternalRegistrationCancelButton().addClass("loading");var promise=$.Deferred();if(hasCreatedToolProxy()){var id=getToolProxyId();toolProxy.delete(id).done((function(){promise.resolve()})).fail((function(failure){promise.reject(failure)}))}else promise.resolve();return promise.done((function(){finishExternalRegistration(),stopLoadingCancel()})).fail((function(failure){notification.exception(failure),finishExternalRegistration(),stopLoadingCancel(),str.get_string("failedtodeletetoolproxy","mod_lti").done((function(s){var feedback={message:s,error:!0};$(document).trigger(ltiEvents.REGISTRATION_FEEDBACK,feedback)})).fail(notification.exception)})),promise},renderExternalRegistrationWindow=function(registrationRequest){var promise=templates.render("mod_lti/tool_proxy_registration_form",registrationRequest);return promise.done((function(html,js){var container=getExternalRegistrationTemplateContainer();container.append(html),templates.runTemplateJS(js),container.find("form").submit(),getExternalRegistrationContainer().removeClass("hidden")})).fail(notification.exception),promise},promptForToolTypeCapabilitiesAgreement=function(typeData){var promise=$.Deferred();return templates.render("mod_lti/tool_type_capabilities_agree",typeData).done((function(html,js){var container=$(SELECTORS_TOOL_TYPE_CAPABILITIES_TEMPLATE_CONTAINER);hideExternalRegistrationContent(),getToolTypeCapabilitiesContainer().removeClass("hidden"),templates.replaceNodeContents(container,html,js);var choiceContainer=container.find(SELECTORS_CAPABILITIES_AGREE_CONTAINER);choiceContainer.on(ltiEvents.CAPABILITIES_AGREE,(function(){getToolTypeCapabilitiesContainer().addClass("loading"),function(typeData){return toolType.update({id:typeData.id,state:toolType.constants.state.configured})}(typeData).always((function(){getToolTypeCapabilitiesContainer().removeClass("loading"),container.empty(),promise.resolve()}))})),choiceContainer.on(ltiEvents.CAPABILITIES_DECLINE,(function(){container.empty(),promise.resolve()}))})).fail(promise.reject),promise.done((function(){getToolTypeCapabilitiesContainer().addClass("hidden")})).fail(notification.exception),promise},createAndRegisterToolProxy=function(url){var promise=$.Deferred();return url&&""!==url?toolProxy.create({regurl:url}).done((function(result){getExternalRegistrationCancelButton().attr("data-tool-proxy-new","new"),promise=registerProxy(result.id)})).fail((function(exception){cancelRegistration();var feedback={message:exception.message,error:!0};$(document).trigger(ltiEvents.REGISTRATION_FEEDBACK,feedback),promise.reject(exception)})):promise.resolve(),promise},registerProxy=function(id){var promise=$.Deferred();return function(id){getExternalRegistrationCancelButton().attr("data-tool-proxy-id",id)}(id),function(id){var request={methodname:"mod_lti_get_tool_proxy_registration_request",args:{id:id}};return ajax.call([request])[0]}(id).done((function(registrationRequest){renderExternalRegistrationWindow(registrationRequest).done((function(){promise.resolve()})).fail(promise.fail)})).fail(promise.fail),promise},finishExternalRegistration=function(){hasToolProxyId()&&getExternalRegistrationCancelButton().removeAttr("data-tool-proxy-id"),getExternalRegistrationCancelButton().removeAttr("data-tool-proxy-new"),hideExternalRegistrationContent(),getExternalRegistrationTemplateContainer().empty(),$(document).trigger(ltiEvents.STOP_EXTERNAL_REGISTRATION)};return{init:function(){!function(){$(document).on(ltiEvents.START_EXTERNAL_REGISTRATION,(function(event,data){data&&(data.url&&createAndRegisterToolProxy(data.url),data.proxyid&&registerProxy(data.proxyid))}));var cancelExternalRegistrationButton=getExternalRegistrationCancelButton();cancelExternalRegistrationButton.click((function(e){e.preventDefault(),cancelRegistration()})),cancelExternalRegistrationButton.keypress((function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||e.keyCode!=KEYS.ENTER&&e.keyCode!=KEYS.SPACE||(e.preventDefault(),cancelRegistration())})),window.triggerExternalRegistrationComplete=function(data){var promise=$.Deferred(),feedback={message:"",error:!1};if("success"==data.status){if(str.get_string("successfullycreatedtooltype","mod_lti").done((function(s){feedback.message=s})).fail(notification.exception),promise.done((function(){finishExternalRegistration(),$(document).trigger(ltiEvents.REGISTRATION_FEEDBACK,feedback),$(document).trigger(ltiEvents.NEW_TOOL_TYPE)})).fail(notification.exception),hasCreatedToolProxy()){var proxyId=getToolProxyId();toolType.getFromToolProxyId(proxyId).done((function(types){if(types&&types.length){var typeData=types[0];typeData.hascapabilitygroups?promptForToolTypeCapabilitiesAgreement(typeData).always((function(){promise.resolve()})):promise.resolve()}else promise.resolve()})).fail((function(){promise.resolve()}))}}else feedback.message=data.error,feedback.error=!0,promise.done((function(){cancelRegistration().always((function(){$(document).trigger(ltiEvents.REGISTRATION_FEEDBACK,feedback)}))})).fail(notification.exception),promise.resolve();return promise}}()}}}));
+
+//# sourceMappingURL=external_registration.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/external_registration.min.js.map b/mod/lti/amd/build/external_registration.min.js.map
index b6c8ebda84b..7d61dbf4c08 100644
--- a/mod/lti/amd/build/external_registration.min.js.map
+++ b/mod/lti/amd/build/external_registration.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Encapsules the behavior for creating a tool type and tool proxy from a\n * registration url in Moodle.\n *\n * Manages the UI while operations are occuring, including rendering external\n * registration page within the iframe.\n *\n * See template: mod_lti/external_registration\n *\n * @module     mod_lti/external_registration\n * @class      external_registration\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'mod_lti/events',\n        'mod_lti/tool_proxy', 'mod_lti/tool_type', 'mod_lti/keys', 'core/str'],\n        function($, ajax, notification, templates, ltiEvents, toolProxy, toolType, KEYS, str) {\n\n    var SELECTORS = {\n        EXTERNAL_REGISTRATION_CONTAINER: '#external-registration-page-container',\n        EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER: '#external-registration-template-container',\n        EXTERNAL_REGISTRATION_CANCEL_BUTTON: '#cancel-external-registration',\n        TOOL_TYPE_CAPABILITIES_CONTAINER: '#tool-type-capabilities-container',\n        TOOL_TYPE_CAPABILITIES_TEMPLATE_CONTAINER: '#tool-type-capabilities-template-container',\n        CAPABILITIES_AGREE_CONTAINER: '.capabilities-container',\n    };\n\n    /**\n     * Return the external registration cancel button element. This button is\n     * the cancel button that appears while the iframe is rendered.\n     *\n     * @method getExternalRegistrationCancelButton\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getExternalRegistrationCancelButton = function() {\n        return $(SELECTORS.EXTERNAL_REGISTRATION_CANCEL_BUTTON);\n    };\n\n    /**\n     * Return the container that holds all elements for the external registration, including\n     * the cancel button and the iframe.\n     *\n     * @method getExternalRegistrationContainer\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getExternalRegistrationContainer = function() {\n        return $(SELECTORS.EXTERNAL_REGISTRATION_CONTAINER);\n    };\n\n    /**\n     * Return the container that holds the external registration page template. It should\n     * be the iframe.\n     *\n     * @method getExternalRegistrationTemplateContainer\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getExternalRegistrationTemplateContainer = function() {\n        return $(SELECTORS.EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER);\n    };\n\n    /**\n     * Return the container that holds the elements for displaying the list of capabilities\n     * that this tool type requires. This container wraps the loading indicator and the template\n     * container.\n     *\n     * @method getToolTypeCapabilitiesContainer\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getToolTypeCapabilitiesContainer = function() {\n        return $(SELECTORS.TOOL_TYPE_CAPABILITIES_CONTAINER);\n    };\n\n    /**\n     * Return the container that holds the template that lists the capabilities that the\n     * tool type will require.\n     *\n     * @method getToolTypeCapabilitiesTemplateContainer\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getToolTypeCapabilitiesTemplateContainer = function() {\n        return $(SELECTORS.TOOL_TYPE_CAPABILITIES_TEMPLATE_CONTAINER);\n    };\n\n    /**\n     * Triggers a visual indicator to show that the capabilities section is loading.\n     *\n     * @method startLoadingCapabilitiesContainer\n     * @private\n     */\n    var startLoadingCapabilitiesContainer = function() {\n        getToolTypeCapabilitiesContainer().addClass('loading');\n    };\n\n    /**\n     * Removes the visual indicator that shows the capabilities section is loading.\n     *\n     * @method stopLoadingCapabilitiesContainer\n     * @private\n     */\n    var stopLoadingCapabilitiesContainer = function() {\n        getToolTypeCapabilitiesContainer().removeClass('loading');\n    };\n\n    /**\n     * Adds a visual indicator that shows the cancel button is loading.\n     *\n     * @method startLoadingCancel\n     * @private\n     */\n    var startLoadingCancel = function() {\n        getExternalRegistrationCancelButton().addClass('loading');\n    };\n\n    /**\n     * Adds a visual indicator that shows the cancel button is loading.\n     *\n     * @method startLoadingCancel\n     * @private\n     */\n    var stopLoadingCancel = function() {\n        getExternalRegistrationCancelButton().removeClass('loading');\n    };\n\n    /**\n     * Stops displaying the tool type capabilities container.\n     *\n     * @method hideToolTypeCapabilitiesContainer\n     * @private\n     */\n    var hideToolTypeCapabilitiesContainer = function() {\n        getToolTypeCapabilitiesContainer().addClass('hidden');\n    };\n\n    /**\n     * Displays the tool type capabilities container.\n     *\n     * @method showToolTypeCapabilitiesContainer\n     * @private\n     */\n    var showToolTypeCapabilitiesContainer = function() {\n        getToolTypeCapabilitiesContainer().removeClass('hidden');\n    };\n\n    /**\n     * Stops displaying the external registration content.\n     *\n     * @method hideExternalRegistrationContent\n     * @private\n     */\n    var hideExternalRegistrationContent = function() {\n        getExternalRegistrationContainer().addClass('hidden');\n    };\n\n    /**\n     * Displays the external registration content.\n     *\n     * @method showExternalRegistrationContent\n     * @private\n     */\n    var showExternalRegistrationContent = function() {\n        getExternalRegistrationContainer().removeClass('hidden');\n    };\n\n    /**\n     * Save the given tool proxy id on the DOM.\n     *\n     * @method setToolProxyId\n     * @private\n     * @param {Integer} id Tool proxy ID\n     */\n    var setToolProxyId = function(id) {\n        var button = getExternalRegistrationCancelButton();\n        button.attr('data-tool-proxy-id', id);\n    };\n\n    /**\n     * Return the saved tool proxy id.\n     *\n     * @method getToolProxyId\n     * @private\n     * @return {String} Tool proxy ID\n     */\n    var getToolProxyId = function() {\n        var button = getExternalRegistrationCancelButton();\n        return button.attr('data-tool-proxy-id');\n    };\n\n    /**\n     * Remove the saved tool proxy id.\n     *\n     * @method clearToolProxyId\n     * @private\n     */\n    var clearToolProxyId = function() {\n        var button = getExternalRegistrationCancelButton();\n        button.removeAttr('data-tool-proxy-id');\n    };\n\n    /**\n     * Returns true if a tool proxy id has been recorded.\n     *\n     * @method hasToolProxyId\n     * @private\n     * @return {Boolean}\n     */\n    var hasToolProxyId = function() {\n        return getToolProxyId() ? true : false;\n    };\n\n    /**\n     * Checks if this process has created a tool proxy within\n     * Moodle yet.\n     *\n     * @method hasCreatedToolProxy\n     * @private\n     * @return {Boolean}\n     */\n    var hasCreatedToolProxy = function() {\n        var button = getExternalRegistrationCancelButton();\n        return button.attr('data-tool-proxy-new') && hasToolProxyId();\n    };\n\n    /**\n     * Records that this process has created a tool proxy.\n     *\n     * @method setProxyAsNew\n     * @private\n     * @return {Boolean}\n     */\n    var setProxyAsNew = function() {\n        var button = getExternalRegistrationCancelButton();\n        return button.attr('data-tool-proxy-new', \"new\");\n    };\n\n    /**\n     * Records that this process has not created a tool proxy.\n     *\n     * @method setProxyAsOld\n     * @private\n     * @return {Boolean}\n     */\n    var setProxyAsOld = function() {\n        var button = getExternalRegistrationCancelButton();\n        return button.removeAttr('data-tool-proxy-new');\n    };\n\n    /**\n     * Gets the external registration request required to be sent to the external\n     * registration page using a form.\n     *\n     * See mod_lti/tool_proxy_registration_form template.\n     *\n     * @method getRegistrationRequest\n     * @private\n     * @param {Integer} id Tool Proxy ID\n     * @return {Promise} jQuery Deferred object\n     */\n    var getRegistrationRequest = function(id) {\n        var request = {\n            methodname: 'mod_lti_get_tool_proxy_registration_request',\n            args: {\n                id: id\n            }\n        };\n\n        return ajax.call([request])[0];\n    };\n\n    /**\n     * Cancel an in progress external registration. This will perform any necessary\n     * clean up of tool proxies and return the page section back to the home section.\n     *\n     * @method cancelRegistration\n     * @private\n     * @return {Promise} jQuery Deferred object\n     */\n    var cancelRegistration = function() {\n        startLoadingCancel();\n        var promise = $.Deferred();\n\n        // If we've created a proxy as part of this process then\n        // we need to delete it to clean up the data in the back end.\n        if (hasCreatedToolProxy()) {\n            var id = getToolProxyId();\n            toolProxy.delete(id).done(function() {\n                promise.resolve();\n            }).fail(function(failure) {\n                promise.reject(failure);\n            });\n        } else {\n            promise.resolve();\n        }\n\n        promise.done(function() {\n            // Return to the original page.\n            finishExternalRegistration();\n            stopLoadingCancel();\n        }).fail(function(failure) {\n            notification.exception(failure);\n            finishExternalRegistration();\n            stopLoadingCancel();\n            str.get_string('failedtodeletetoolproxy', 'mod_lti').done(function(s) {\n                var feedback = {\n                    message: s,\n                    error: true\n                };\n                $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, feedback);\n            }).fail(notification.exception);\n        });\n\n        return promise;\n    };\n\n    /**\n     * Load the external registration template and render it in the DOM and display it.\n     *\n     * @method renderExternalRegistrationWindow\n     * @private\n     * @param {Object} registrationRequest\n     * @return {Promise} jQuery Deferred object\n     */\n    var renderExternalRegistrationWindow = function(registrationRequest) {\n        var promise = templates.render('mod_lti/tool_proxy_registration_form', registrationRequest);\n\n        promise.done(function(html, js) {\n            // Show the external registration page in an iframe.\n            var container = getExternalRegistrationTemplateContainer();\n            container.append(html);\n            templates.runTemplateJS(js);\n\n            container.find('form').submit();\n            showExternalRegistrationContent();\n        }).fail(notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Send a request to Moodle server to set the state of the tool type to configured (active).\n     *\n     * @method setTypeStatusActive\n     * @private\n     * @param {Object} typeData A set of data representing a type, as returned by a request to get a type\n     *               from the Moodle server.\n     * @return {Promise} jQuery Deferred object\n     */\n    var setTypeStatusActive = function(typeData) {\n        return toolType.update({\n            id: typeData.id,\n            state: toolType.constants.state.configured\n        });\n    };\n\n    /**\n     * Render and display an agreement page for the user to acknowledge the list of capabilities\n     * (groups of data) that the external tool requires in order to work. If the user agrees then\n     * we will activate the tool so that it is immediately available. If they don't agree then\n     * the tool remains in a pending state within Moodle until agreement is given.\n     *\n     * @method promptForToolTypeCapabilitiesAgreement\n     * @private\n     * @param {Object} typeData A set of data representing a type, as returned by a request to get a type\n     *               from the Moodle server.\n     * @return {Promise} jQuery Deferred object\n     */\n    var promptForToolTypeCapabilitiesAgreement = function(typeData) {\n        var promise = $.Deferred();\n\n        templates.render('mod_lti/tool_type_capabilities_agree', typeData).done(function(html, js) {\n            var container = getToolTypeCapabilitiesTemplateContainer();\n\n            hideExternalRegistrationContent();\n            showToolTypeCapabilitiesContainer();\n\n            templates.replaceNodeContents(container, html, js);\n\n            var choiceContainer = container.find(SELECTORS.CAPABILITIES_AGREE_CONTAINER);\n\n            // The user agrees to allow the tool to use the groups of data so we can go\n            // ahead and activate it for them so that it can be used straight away.\n            choiceContainer.on(ltiEvents.CAPABILITIES_AGREE, function() {\n                startLoadingCapabilitiesContainer();\n                setTypeStatusActive(typeData).always(function() {\n                    stopLoadingCapabilitiesContainer();\n                    container.empty();\n                    promise.resolve();\n                });\n            });\n\n            // The user declines to let the tool use the data. In this case we leave\n            // the tool as pending and they can delete it using the main screen if they\n            // wish.\n            choiceContainer.on(ltiEvents.CAPABILITIES_DECLINE, function() {\n                container.empty();\n                promise.resolve();\n            });\n        }).fail(promise.reject);\n\n        promise.done(function() {\n            hideToolTypeCapabilitiesContainer();\n        }).fail(notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Send a request to the Moodle server to create a tool proxy using the registration URL the user\n     * has provided. The proxy is required for the external registration page to work correctly.\n     *\n     * After the proxy is created the external registration page is rendered within an iframe for the user\n     * to complete the registration in the external page.\n     *\n     * If the tool proxy creation fails then we redirect the page section back to the home section and\n     * display the error, rather than rendering the external registration page.\n     *\n     * @method createAndRegisterToolProxy\n     * @private\n     * @param {String} url Tool registration URL to register\n     * @return {Promise} jQuery Deferred object\n     */\n    var createAndRegisterToolProxy = function(url) {\n        var promise = $.Deferred();\n\n        if (!url || url === \"\") {\n            // No URL has been input so do nothing.\n            promise.resolve();\n        } else {\n            // A tool proxy needs to exist before the external page is rendered because\n            // the external page sends requests back to Moodle for information that is stored\n            // in the proxy.\n            toolProxy.create({regurl: url})\n                .done(function(result) {\n                        // Note that it's a new proxy so we will always clean it up.\n                        setProxyAsNew();\n                        promise = registerProxy(result.id);\n                    })\n                .fail(function(exception) {\n                        // Clean up.\n                        cancelRegistration();\n                        // Let the user know what the error is.\n                        var feedback = {\n                            message: exception.message,\n                            error: true\n                        };\n                        $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, feedback);\n                        promise.reject(exception);\n                    });\n        }\n\n        return promise;\n    };\n\n    /**\n     * Loads the window to register a proxy, given an ID.\n     *\n     * @method registerProxy\n     * @private\n     * @param {Integer} id Proxy id to register\n     * @return {Promise} jQuery Deferred object to fail or resolve\n     */\n    var registerProxy = function(id) {\n        var promise = $.Deferred();\n        // Save the id on the DOM to cleanup later.\n        setToolProxyId(id);\n\n        // There is a specific set of data needed to send to the external registration page\n        // in a form, so let's get it from our server.\n        getRegistrationRequest(id)\n            .done(function(registrationRequest) {\n                    renderExternalRegistrationWindow(registrationRequest)\n                        .done(function() {\n                                promise.resolve();\n                            })\n                        .fail(promise.fail);\n                })\n            .fail(promise.fail);\n\n        return promise;\n    };\n\n    /**\n     * Complete the registration process, clean up any left over data and\n     * trigger the appropriate events.\n     *\n     * @method finishExternalRegistration\n     * @private\n     */\n    var finishExternalRegistration = function() {\n        if (hasToolProxyId()) {\n            clearToolProxyId();\n        }\n        setProxyAsOld(false);\n\n        hideExternalRegistrationContent();\n        var container = getExternalRegistrationTemplateContainer();\n        container.empty();\n\n        $(document).trigger(ltiEvents.STOP_EXTERNAL_REGISTRATION);\n    };\n\n    /**\n     * Sets up the listeners for user interaction on the page.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    var registerEventListeners = function() {\n\n        $(document).on(ltiEvents.START_EXTERNAL_REGISTRATION, function(event, data) {\n                if (!data) {\n                    return;\n                }\n                if (data.url) {\n                    createAndRegisterToolProxy(data.url);\n                }\n                if (data.proxyid) {\n                    registerProxy(data.proxyid);\n                }\n            });\n\n        var cancelExternalRegistrationButton = getExternalRegistrationCancelButton();\n        cancelExternalRegistrationButton.click(function(e) {\n            e.preventDefault();\n            cancelRegistration();\n        });\n        cancelExternalRegistrationButton.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                    e.preventDefault();\n                    cancelRegistration();\n                }\n            }\n        });\n\n        // This is gross but necessary due to isolated jQuery scopes between\n        // child iframe and parent windows. There is no other way to communicate.\n        //\n        // This function gets called by the moodle page that received the redirect\n        // from the external registration page and handles the external page's returned\n        // parameters.\n        //\n        // See AMD module mod_lti/external_registration_return.\n        window.triggerExternalRegistrationComplete = function(data) {\n            var promise = $.Deferred();\n            var feedback = {\n                message: \"\",\n                error: false\n            };\n\n            if (data.status == \"success\") {\n                str.get_string('successfullycreatedtooltype', 'mod_lti').done(function(s) {\n                    feedback.message = s;\n                }).fail(notification.exception);\n\n                // Trigger appropriate events when we've completed the necessary requests.\n                promise.done(function() {\n                    finishExternalRegistration();\n                    $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, feedback);\n                    $(document).trigger(ltiEvents.NEW_TOOL_TYPE);\n                }).fail(notification.exception);\n\n                // We should have created a tool proxy by this point.\n                if (hasCreatedToolProxy()) {\n                    var proxyId = getToolProxyId();\n\n                    // We need the list of types that are linked to this proxy. We're assuming it'll\n                    // only be one because this process creates a one-to-one type->proxy.\n                    toolType.getFromToolProxyId(proxyId).done(function(types) {\n                        if (types && types.length) {\n                            // There should only be one result.\n                            var typeData = types[0];\n\n                            // Check if the external tool required access to any Moodle data (users, courses etc).\n                            if (typeData.hascapabilitygroups) {\n                                // If it did then we ask the user to agree to those groups before the type is\n                                // activated (i.e. can be used in Moodle).\n                                promptForToolTypeCapabilitiesAgreement(typeData).always(function() {\n                                    promise.resolve();\n                                });\n                            } else {\n                                promise.resolve();\n                            }\n                        } else {\n                            promise.resolve();\n                        }\n                    }).fail(function() {\n                        promise.resolve();\n                    });\n                }\n            } else {\n                // Anything other than success is failure.\n                feedback.message = data.error;\n                feedback.error = true;\n\n                // Cancel registration to clean up any proxies and tools that were\n                // created.\n                promise.done(function() {\n                    cancelRegistration().always(function() {\n                        $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, feedback);\n                    });\n                }).fail(notification.exception);\n\n                promise.resolve();\n            }\n\n            return promise;\n        };\n    };\n\n    return /** @alias module:mod_lti/external_registration */ {\n\n        /**\n         * Initialise this module.\n         */\n        init: function() {\n            registerEventListeners();\n        }\n    };\n});\n"],"file":"external_registration.min.js"}
\ No newline at end of file
+{"version":3,"file":"external_registration.min.js","sources":["../src/external_registration.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Encapsules the behavior for creating a tool type and tool proxy from a\n * registration url in Moodle.\n *\n * Manages the UI while operations are occuring, including rendering external\n * registration page within the iframe.\n *\n * See template: mod_lti/external_registration\n *\n * @module     mod_lti/external_registration\n * @class      external_registration\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'mod_lti/events',\n        'mod_lti/tool_proxy', 'mod_lti/tool_type', 'mod_lti/keys', 'core/str'],\n        function($, ajax, notification, templates, ltiEvents, toolProxy, toolType, KEYS, str) {\n\n    var SELECTORS = {\n        EXTERNAL_REGISTRATION_CONTAINER: '#external-registration-page-container',\n        EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER: '#external-registration-template-container',\n        EXTERNAL_REGISTRATION_CANCEL_BUTTON: '#cancel-external-registration',\n        TOOL_TYPE_CAPABILITIES_CONTAINER: '#tool-type-capabilities-container',\n        TOOL_TYPE_CAPABILITIES_TEMPLATE_CONTAINER: '#tool-type-capabilities-template-container',\n        CAPABILITIES_AGREE_CONTAINER: '.capabilities-container',\n    };\n\n    /**\n     * Return the external registration cancel button element. This button is\n     * the cancel button that appears while the iframe is rendered.\n     *\n     * @method getExternalRegistrationCancelButton\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getExternalRegistrationCancelButton = function() {\n        return $(SELECTORS.EXTERNAL_REGISTRATION_CANCEL_BUTTON);\n    };\n\n    /**\n     * Return the container that holds all elements for the external registration, including\n     * the cancel button and the iframe.\n     *\n     * @method getExternalRegistrationContainer\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getExternalRegistrationContainer = function() {\n        return $(SELECTORS.EXTERNAL_REGISTRATION_CONTAINER);\n    };\n\n    /**\n     * Return the container that holds the external registration page template. It should\n     * be the iframe.\n     *\n     * @method getExternalRegistrationTemplateContainer\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getExternalRegistrationTemplateContainer = function() {\n        return $(SELECTORS.EXTERNAL_REGISTRATION_TEMPLATE_CONTAINER);\n    };\n\n    /**\n     * Return the container that holds the elements for displaying the list of capabilities\n     * that this tool type requires. This container wraps the loading indicator and the template\n     * container.\n     *\n     * @method getToolTypeCapabilitiesContainer\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getToolTypeCapabilitiesContainer = function() {\n        return $(SELECTORS.TOOL_TYPE_CAPABILITIES_CONTAINER);\n    };\n\n    /**\n     * Return the container that holds the template that lists the capabilities that the\n     * tool type will require.\n     *\n     * @method getToolTypeCapabilitiesTemplateContainer\n     * @private\n     * @return {JQuery} jQuery object\n     */\n    var getToolTypeCapabilitiesTemplateContainer = function() {\n        return $(SELECTORS.TOOL_TYPE_CAPABILITIES_TEMPLATE_CONTAINER);\n    };\n\n    /**\n     * Triggers a visual indicator to show that the capabilities section is loading.\n     *\n     * @method startLoadingCapabilitiesContainer\n     * @private\n     */\n    var startLoadingCapabilitiesContainer = function() {\n        getToolTypeCapabilitiesContainer().addClass('loading');\n    };\n\n    /**\n     * Removes the visual indicator that shows the capabilities section is loading.\n     *\n     * @method stopLoadingCapabilitiesContainer\n     * @private\n     */\n    var stopLoadingCapabilitiesContainer = function() {\n        getToolTypeCapabilitiesContainer().removeClass('loading');\n    };\n\n    /**\n     * Adds a visual indicator that shows the cancel button is loading.\n     *\n     * @method startLoadingCancel\n     * @private\n     */\n    var startLoadingCancel = function() {\n        getExternalRegistrationCancelButton().addClass('loading');\n    };\n\n    /**\n     * Adds a visual indicator that shows the cancel button is loading.\n     *\n     * @method startLoadingCancel\n     * @private\n     */\n    var stopLoadingCancel = function() {\n        getExternalRegistrationCancelButton().removeClass('loading');\n    };\n\n    /**\n     * Stops displaying the tool type capabilities container.\n     *\n     * @method hideToolTypeCapabilitiesContainer\n     * @private\n     */\n    var hideToolTypeCapabilitiesContainer = function() {\n        getToolTypeCapabilitiesContainer().addClass('hidden');\n    };\n\n    /**\n     * Displays the tool type capabilities container.\n     *\n     * @method showToolTypeCapabilitiesContainer\n     * @private\n     */\n    var showToolTypeCapabilitiesContainer = function() {\n        getToolTypeCapabilitiesContainer().removeClass('hidden');\n    };\n\n    /**\n     * Stops displaying the external registration content.\n     *\n     * @method hideExternalRegistrationContent\n     * @private\n     */\n    var hideExternalRegistrationContent = function() {\n        getExternalRegistrationContainer().addClass('hidden');\n    };\n\n    /**\n     * Displays the external registration content.\n     *\n     * @method showExternalRegistrationContent\n     * @private\n     */\n    var showExternalRegistrationContent = function() {\n        getExternalRegistrationContainer().removeClass('hidden');\n    };\n\n    /**\n     * Save the given tool proxy id on the DOM.\n     *\n     * @method setToolProxyId\n     * @private\n     * @param {Integer} id Tool proxy ID\n     */\n    var setToolProxyId = function(id) {\n        var button = getExternalRegistrationCancelButton();\n        button.attr('data-tool-proxy-id', id);\n    };\n\n    /**\n     * Return the saved tool proxy id.\n     *\n     * @method getToolProxyId\n     * @private\n     * @return {String} Tool proxy ID\n     */\n    var getToolProxyId = function() {\n        var button = getExternalRegistrationCancelButton();\n        return button.attr('data-tool-proxy-id');\n    };\n\n    /**\n     * Remove the saved tool proxy id.\n     *\n     * @method clearToolProxyId\n     * @private\n     */\n    var clearToolProxyId = function() {\n        var button = getExternalRegistrationCancelButton();\n        button.removeAttr('data-tool-proxy-id');\n    };\n\n    /**\n     * Returns true if a tool proxy id has been recorded.\n     *\n     * @method hasToolProxyId\n     * @private\n     * @return {Boolean}\n     */\n    var hasToolProxyId = function() {\n        return getToolProxyId() ? true : false;\n    };\n\n    /**\n     * Checks if this process has created a tool proxy within\n     * Moodle yet.\n     *\n     * @method hasCreatedToolProxy\n     * @private\n     * @return {Boolean}\n     */\n    var hasCreatedToolProxy = function() {\n        var button = getExternalRegistrationCancelButton();\n        return button.attr('data-tool-proxy-new') && hasToolProxyId();\n    };\n\n    /**\n     * Records that this process has created a tool proxy.\n     *\n     * @method setProxyAsNew\n     * @private\n     * @return {Boolean}\n     */\n    var setProxyAsNew = function() {\n        var button = getExternalRegistrationCancelButton();\n        return button.attr('data-tool-proxy-new', \"new\");\n    };\n\n    /**\n     * Records that this process has not created a tool proxy.\n     *\n     * @method setProxyAsOld\n     * @private\n     * @return {Boolean}\n     */\n    var setProxyAsOld = function() {\n        var button = getExternalRegistrationCancelButton();\n        return button.removeAttr('data-tool-proxy-new');\n    };\n\n    /**\n     * Gets the external registration request required to be sent to the external\n     * registration page using a form.\n     *\n     * See mod_lti/tool_proxy_registration_form template.\n     *\n     * @method getRegistrationRequest\n     * @private\n     * @param {Integer} id Tool Proxy ID\n     * @return {Promise} jQuery Deferred object\n     */\n    var getRegistrationRequest = function(id) {\n        var request = {\n            methodname: 'mod_lti_get_tool_proxy_registration_request',\n            args: {\n                id: id\n            }\n        };\n\n        return ajax.call([request])[0];\n    };\n\n    /**\n     * Cancel an in progress external registration. This will perform any necessary\n     * clean up of tool proxies and return the page section back to the home section.\n     *\n     * @method cancelRegistration\n     * @private\n     * @return {Promise} jQuery Deferred object\n     */\n    var cancelRegistration = function() {\n        startLoadingCancel();\n        var promise = $.Deferred();\n\n        // If we've created a proxy as part of this process then\n        // we need to delete it to clean up the data in the back end.\n        if (hasCreatedToolProxy()) {\n            var id = getToolProxyId();\n            toolProxy.delete(id).done(function() {\n                promise.resolve();\n            }).fail(function(failure) {\n                promise.reject(failure);\n            });\n        } else {\n            promise.resolve();\n        }\n\n        promise.done(function() {\n            // Return to the original page.\n            finishExternalRegistration();\n            stopLoadingCancel();\n        }).fail(function(failure) {\n            notification.exception(failure);\n            finishExternalRegistration();\n            stopLoadingCancel();\n            str.get_string('failedtodeletetoolproxy', 'mod_lti').done(function(s) {\n                var feedback = {\n                    message: s,\n                    error: true\n                };\n                $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, feedback);\n            }).fail(notification.exception);\n        });\n\n        return promise;\n    };\n\n    /**\n     * Load the external registration template and render it in the DOM and display it.\n     *\n     * @method renderExternalRegistrationWindow\n     * @private\n     * @param {Object} registrationRequest\n     * @return {Promise} jQuery Deferred object\n     */\n    var renderExternalRegistrationWindow = function(registrationRequest) {\n        var promise = templates.render('mod_lti/tool_proxy_registration_form', registrationRequest);\n\n        promise.done(function(html, js) {\n            // Show the external registration page in an iframe.\n            var container = getExternalRegistrationTemplateContainer();\n            container.append(html);\n            templates.runTemplateJS(js);\n\n            container.find('form').submit();\n            showExternalRegistrationContent();\n        }).fail(notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Send a request to Moodle server to set the state of the tool type to configured (active).\n     *\n     * @method setTypeStatusActive\n     * @private\n     * @param {Object} typeData A set of data representing a type, as returned by a request to get a type\n     *               from the Moodle server.\n     * @return {Promise} jQuery Deferred object\n     */\n    var setTypeStatusActive = function(typeData) {\n        return toolType.update({\n            id: typeData.id,\n            state: toolType.constants.state.configured\n        });\n    };\n\n    /**\n     * Render and display an agreement page for the user to acknowledge the list of capabilities\n     * (groups of data) that the external tool requires in order to work. If the user agrees then\n     * we will activate the tool so that it is immediately available. If they don't agree then\n     * the tool remains in a pending state within Moodle until agreement is given.\n     *\n     * @method promptForToolTypeCapabilitiesAgreement\n     * @private\n     * @param {Object} typeData A set of data representing a type, as returned by a request to get a type\n     *               from the Moodle server.\n     * @return {Promise} jQuery Deferred object\n     */\n    var promptForToolTypeCapabilitiesAgreement = function(typeData) {\n        var promise = $.Deferred();\n\n        templates.render('mod_lti/tool_type_capabilities_agree', typeData).done(function(html, js) {\n            var container = getToolTypeCapabilitiesTemplateContainer();\n\n            hideExternalRegistrationContent();\n            showToolTypeCapabilitiesContainer();\n\n            templates.replaceNodeContents(container, html, js);\n\n            var choiceContainer = container.find(SELECTORS.CAPABILITIES_AGREE_CONTAINER);\n\n            // The user agrees to allow the tool to use the groups of data so we can go\n            // ahead and activate it for them so that it can be used straight away.\n            choiceContainer.on(ltiEvents.CAPABILITIES_AGREE, function() {\n                startLoadingCapabilitiesContainer();\n                setTypeStatusActive(typeData).always(function() {\n                    stopLoadingCapabilitiesContainer();\n                    container.empty();\n                    promise.resolve();\n                });\n            });\n\n            // The user declines to let the tool use the data. In this case we leave\n            // the tool as pending and they can delete it using the main screen if they\n            // wish.\n            choiceContainer.on(ltiEvents.CAPABILITIES_DECLINE, function() {\n                container.empty();\n                promise.resolve();\n            });\n        }).fail(promise.reject);\n\n        promise.done(function() {\n            hideToolTypeCapabilitiesContainer();\n        }).fail(notification.exception);\n\n        return promise;\n    };\n\n    /**\n     * Send a request to the Moodle server to create a tool proxy using the registration URL the user\n     * has provided. The proxy is required for the external registration page to work correctly.\n     *\n     * After the proxy is created the external registration page is rendered within an iframe for the user\n     * to complete the registration in the external page.\n     *\n     * If the tool proxy creation fails then we redirect the page section back to the home section and\n     * display the error, rather than rendering the external registration page.\n     *\n     * @method createAndRegisterToolProxy\n     * @private\n     * @param {String} url Tool registration URL to register\n     * @return {Promise} jQuery Deferred object\n     */\n    var createAndRegisterToolProxy = function(url) {\n        var promise = $.Deferred();\n\n        if (!url || url === \"\") {\n            // No URL has been input so do nothing.\n            promise.resolve();\n        } else {\n            // A tool proxy needs to exist before the external page is rendered because\n            // the external page sends requests back to Moodle for information that is stored\n            // in the proxy.\n            toolProxy.create({regurl: url})\n                .done(function(result) {\n                        // Note that it's a new proxy so we will always clean it up.\n                        setProxyAsNew();\n                        promise = registerProxy(result.id);\n                    })\n                .fail(function(exception) {\n                        // Clean up.\n                        cancelRegistration();\n                        // Let the user know what the error is.\n                        var feedback = {\n                            message: exception.message,\n                            error: true\n                        };\n                        $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, feedback);\n                        promise.reject(exception);\n                    });\n        }\n\n        return promise;\n    };\n\n    /**\n     * Loads the window to register a proxy, given an ID.\n     *\n     * @method registerProxy\n     * @private\n     * @param {Integer} id Proxy id to register\n     * @return {Promise} jQuery Deferred object to fail or resolve\n     */\n    var registerProxy = function(id) {\n        var promise = $.Deferred();\n        // Save the id on the DOM to cleanup later.\n        setToolProxyId(id);\n\n        // There is a specific set of data needed to send to the external registration page\n        // in a form, so let's get it from our server.\n        getRegistrationRequest(id)\n            .done(function(registrationRequest) {\n                    renderExternalRegistrationWindow(registrationRequest)\n                        .done(function() {\n                                promise.resolve();\n                            })\n                        .fail(promise.fail);\n                })\n            .fail(promise.fail);\n\n        return promise;\n    };\n\n    /**\n     * Complete the registration process, clean up any left over data and\n     * trigger the appropriate events.\n     *\n     * @method finishExternalRegistration\n     * @private\n     */\n    var finishExternalRegistration = function() {\n        if (hasToolProxyId()) {\n            clearToolProxyId();\n        }\n        setProxyAsOld(false);\n\n        hideExternalRegistrationContent();\n        var container = getExternalRegistrationTemplateContainer();\n        container.empty();\n\n        $(document).trigger(ltiEvents.STOP_EXTERNAL_REGISTRATION);\n    };\n\n    /**\n     * Sets up the listeners for user interaction on the page.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    var registerEventListeners = function() {\n\n        $(document).on(ltiEvents.START_EXTERNAL_REGISTRATION, function(event, data) {\n                if (!data) {\n                    return;\n                }\n                if (data.url) {\n                    createAndRegisterToolProxy(data.url);\n                }\n                if (data.proxyid) {\n                    registerProxy(data.proxyid);\n                }\n            });\n\n        var cancelExternalRegistrationButton = getExternalRegistrationCancelButton();\n        cancelExternalRegistrationButton.click(function(e) {\n            e.preventDefault();\n            cancelRegistration();\n        });\n        cancelExternalRegistrationButton.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                    e.preventDefault();\n                    cancelRegistration();\n                }\n            }\n        });\n\n        // This is gross but necessary due to isolated jQuery scopes between\n        // child iframe and parent windows. There is no other way to communicate.\n        //\n        // This function gets called by the moodle page that received the redirect\n        // from the external registration page and handles the external page's returned\n        // parameters.\n        //\n        // See AMD module mod_lti/external_registration_return.\n        window.triggerExternalRegistrationComplete = function(data) {\n            var promise = $.Deferred();\n            var feedback = {\n                message: \"\",\n                error: false\n            };\n\n            if (data.status == \"success\") {\n                str.get_string('successfullycreatedtooltype', 'mod_lti').done(function(s) {\n                    feedback.message = s;\n                }).fail(notification.exception);\n\n                // Trigger appropriate events when we've completed the necessary requests.\n                promise.done(function() {\n                    finishExternalRegistration();\n                    $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, feedback);\n                    $(document).trigger(ltiEvents.NEW_TOOL_TYPE);\n                }).fail(notification.exception);\n\n                // We should have created a tool proxy by this point.\n                if (hasCreatedToolProxy()) {\n                    var proxyId = getToolProxyId();\n\n                    // We need the list of types that are linked to this proxy. We're assuming it'll\n                    // only be one because this process creates a one-to-one type->proxy.\n                    toolType.getFromToolProxyId(proxyId).done(function(types) {\n                        if (types && types.length) {\n                            // There should only be one result.\n                            var typeData = types[0];\n\n                            // Check if the external tool required access to any Moodle data (users, courses etc).\n                            if (typeData.hascapabilitygroups) {\n                                // If it did then we ask the user to agree to those groups before the type is\n                                // activated (i.e. can be used in Moodle).\n                                promptForToolTypeCapabilitiesAgreement(typeData).always(function() {\n                                    promise.resolve();\n                                });\n                            } else {\n                                promise.resolve();\n                            }\n                        } else {\n                            promise.resolve();\n                        }\n                    }).fail(function() {\n                        promise.resolve();\n                    });\n                }\n            } else {\n                // Anything other than success is failure.\n                feedback.message = data.error;\n                feedback.error = true;\n\n                // Cancel registration to clean up any proxies and tools that were\n                // created.\n                promise.done(function() {\n                    cancelRegistration().always(function() {\n                        $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, feedback);\n                    });\n                }).fail(notification.exception);\n\n                promise.resolve();\n            }\n\n            return promise;\n        };\n    };\n\n    return /** @alias module:mod_lti/external_registration */ {\n\n        /**\n         * Initialise this module.\n         */\n        init: function() {\n            registerEventListeners();\n        }\n    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diff --git a/mod/lti/amd/build/external_registration_return.min.js b/mod/lti/amd/build/external_registration_return.min.js
index 652813a1041..dc75bd76980 100644
--- a/mod/lti/amd/build/external_registration_return.min.js
+++ b/mod/lti/amd/build/external_registration_return.min.js
@@ -1,2 +1,16 @@
-define ("mod_lti/external_registration_return",[],function(){return{init:function init(a,b,c,d){if(window.parent){window.parent.triggerExternalRegistrationComplete({message:a,error:b,id:c,status:d})}}}});
-//# sourceMappingURL=external_registration_return.min.js.map
+/**
+ * Handles the return params from the external registration page after it
+ * redirects back to Moodle.
+ *
+ * See also: mod/lti/externalregistrationreturn.php
+ *
+ * @module     mod_lti/external_registration_return
+ * @class      external_registration_return
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/external_registration_return",[],(function(){return{init:function(message,error,id,status){window.parent&&window.parent.triggerExternalRegistrationComplete({message:message,error:error,id:id,status:status})}}}));
+
+//# sourceMappingURL=external_registration_return.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/external_registration_return.min.js.map b/mod/lti/amd/build/external_registration_return.min.js.map
index ef6350c155c..e6eaab96e2f 100644
--- a/mod/lti/amd/build/external_registration_return.min.js.map
+++ b/mod/lti/amd/build/external_registration_return.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/external_registration_return.js"],"names":["define","init","message","error","id","status","window","parent","triggerExternalRegistrationComplete"],"mappings":"AA4BAA,OAAM,wCAAC,EAAD,CAAK,UAAW,CAElB,MAAiE,CAa7DC,IAAI,CAAE,cAASC,CAAT,CAAkBC,CAAlB,CAAyBC,CAAzB,CAA6BC,CAA7B,CAAqC,CACvC,GAAIC,MAAM,CAACC,MAAX,CAAmB,CACfD,MAAM,CAACC,MAAP,CAAcC,mCAAd,CAAkD,CAC9CN,OAAO,CAAEA,CADqC,CAE9CC,KAAK,CAAEA,CAFuC,CAG9CC,EAAE,CAAEA,CAH0C,CAI9CC,MAAM,CAAEA,CAJsC,CAAlD,CAMH,CACJ,CAtB4D,CAwBpE,CA1BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handles the return params from the external registration page after it\n * redirects back to Moodle.\n *\n * See also: mod/lti/externalregistrationreturn.php\n *\n * @module     mod_lti/external_registration_return\n * @class      external_registration_return\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine([], function() {\n\n    return /** @alias module:mod_lti/external_registration_return */ {\n\n        /**\n         * If this was rendered in an iframe then trigger the external registration\n         * complete behaviour in the parent page and provide the params returned from\n         * the external registration page.\n         *\n         * @param {String} message The registration message from the external registration page\n         * @param {String} error The registration error message from the external registration page, if\n         *                     there was an error.\n         * @param {Integer} id The tool proxy id for the external registration.\n         * @param {String} status Whether the external registration was successful or not.\n         */\n        init: function(message, error, id, status) {\n            if (window.parent) {\n                window.parent.triggerExternalRegistrationComplete({\n                    message: message,\n                    error: error,\n                    id: id,\n                    status: status\n                });\n            }\n        }\n    };\n});\n"],"file":"external_registration_return.min.js"}
\ No newline at end of file
+{"version":3,"file":"external_registration_return.min.js","sources":["../src/external_registration_return.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handles the return params from the external registration page after it\n * redirects back to Moodle.\n *\n * See also: mod/lti/externalregistrationreturn.php\n *\n * @module     mod_lti/external_registration_return\n * @class      external_registration_return\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine([], function() {\n\n    return /** @alias module:mod_lti/external_registration_return */ {\n\n        /**\n         * If this was rendered in an iframe then trigger the external registration\n         * complete behaviour in the parent page and provide the params returned from\n         * the external registration page.\n         *\n         * @param {String} message The registration message from the external registration page\n         * @param {String} error The registration error message from the external registration page, if\n         *                     there was an error.\n         * @param {Integer} id The tool proxy id for the external registration.\n         * @param {String} status Whether the external registration was successful or not.\n         */\n        init: function(message, error, id, status) {\n            if (window.parent) {\n                window.parent.triggerExternalRegistrationComplete({\n                    message: message,\n                    error: error,\n                    id: id,\n                    status: status\n                });\n            }\n        }\n    };\n});\n"],"names":["define","init","message","error","id","status","window","parent","triggerExternalRegistrationComplete"],"mappings":";;;;;;;;;;;;;AA4BAA,8CAAO,IAAI,iBAE0D,CAa7DC,KAAM,SAASC,QAASC,MAAOC,GAAIC,QAC3BC,OAAOC,QACPD,OAAOC,OAAOC,oCAAoC,CAC9CN,QAASA,QACTC,MAAOA,MACPC,GAAIA,GACJC,OAAQA"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/form-field.min.js b/mod/lti/amd/build/form-field.min.js
index a0ac021b364..87c389b18e4 100644
--- a/mod/lti/amd/build/form-field.min.js
+++ b/mod/lti/amd/build/form-field.min.js
@@ -1,2 +1,13 @@
-define ("mod_lti/form-field",["jquery"],function(a){var b=function(a,b,c,d){this.name=a;this.id="id_"+this.name;this.selector="#"+this.id;this.type=b;this.resetIfUndefined=c;this.defaultValue=d};b.TYPES={TEXT:1,SELECT:2,CHECKBOX:3,EDITOR:4};b.prototype.setFieldValue=function(c){if(null===c){if(this.resetIfUndefined){c=this.defaultValue}else{return}}switch(this.type){case b.TYPES.CHECKBOX:if(c){a(this.selector).prop("checked",!0)}else{a(this.selector).prop("checked",!1)}break;case b.TYPES.EDITOR:if("undefined"!=typeof c.text){var d=a(this.selector+"editable");if(d.length){d.html(c.text)}else if("undefined"!=typeof tinyMCE){tinyMCE.execInstanceCommand(this.id,"mceInsertContent",!1,c.text)}a(this.selector).val(c.text)}break;default:a(this.selector).val(c);break;}};return b});
-//# sourceMappingURL=form-field.min.js.map
+/**
+ * A module that enables the setting of form field values on the client side.
+ *
+ * @module     mod_lti/form-field
+ * @class      form-field
+ * @package    mod_lti
+ * @copyright  2016 Jun Pataleta <jun@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.2
+ */
+define("mod_lti/form-field",["jquery"],(function($){var FormField=function(name,type,resetIfUndefined,defaultValue){this.name=name,this.id="id_"+this.name,this.selector="#"+this.id,this.type=type,this.resetIfUndefined=resetIfUndefined,this.defaultValue=defaultValue};return FormField.TYPES={TEXT:1,SELECT:2,CHECKBOX:3,EDITOR:4},FormField.prototype.setFieldValue=function(value){if(null===value){if(!this.resetIfUndefined)return;value=this.defaultValue}switch(this.type){case FormField.TYPES.CHECKBOX:value?$(this.selector).prop("checked",!0):$(this.selector).prop("checked",!1);break;case FormField.TYPES.EDITOR:if(void 0!==value.text){var attoEditor=$(this.selector+"editable");attoEditor.length?attoEditor.html(value.text):"undefined"!=typeof tinyMCE&&tinyMCE.execInstanceCommand(this.id,"mceInsertContent",!1,value.text),$(this.selector).val(value.text)}break;default:$(this.selector).val(value)}},FormField}));
+
+//# sourceMappingURL=form-field.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/form-field.min.js.map b/mod/lti/amd/build/form-field.min.js.map
index 69fc65d6f75..406d0e6b82f 100644
--- a/mod/lti/amd/build/form-field.min.js.map
+++ b/mod/lti/amd/build/form-field.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/form-field.js"],"names":["define","$","FormField","name","type","resetIfUndefined","defaultValue","id","selector","TYPES","TEXT","SELECT","CHECKBOX","EDITOR","prototype","setFieldValue","value","prop","text","attoEditor","length","html","tinyMCE","execInstanceCommand","val"],"mappings":"AAyBAA,OAAM,sBAAC,CAAC,QAAD,CAAD,CACF,SAASC,CAAT,CAAY,CAUR,GAAIC,CAAAA,CAAS,CAAG,SAASC,CAAT,CAAeC,CAAf,CAAqBC,CAArB,CAAuCC,CAAvC,CAAqD,CACjE,KAAKH,IAAL,CAAYA,CAAZ,CACA,KAAKI,EAAL,CAAU,MAAQ,KAAKJ,IAAvB,CACA,KAAKK,QAAL,CAAgB,IAAM,KAAKD,EAA3B,CACA,KAAKH,IAAL,CAAYA,CAAZ,CACA,KAAKC,gBAAL,CAAwBA,CAAxB,CACA,KAAKC,YAAL,CAAoBA,CACvB,CAPD,CAcAJ,CAAS,CAACO,KAAV,CAAkB,CACdC,IAAI,CAAE,CADQ,CAEdC,MAAM,CAAE,CAFM,CAGdC,QAAQ,CAAE,CAHI,CAIdC,MAAM,CAAE,CAJM,CAAlB,CAYAX,CAAS,CAACY,SAAV,CAAoBC,aAApB,CAAoC,SAASC,CAAT,CAAgB,CAChD,GAAc,IAAV,GAAAA,CAAJ,CAAoB,CAChB,GAAI,KAAKX,gBAAT,CAA2B,CACvBW,CAAK,CAAG,KAAKV,YAChB,CAFD,IAEO,CAEH,MACH,CACJ,CAED,OAAQ,KAAKF,IAAb,EACI,IAAKF,CAAAA,CAAS,CAACO,KAAV,CAAgBG,QAArB,CACI,GAAII,CAAJ,CAAW,CACPf,CAAC,CAAC,KAAKO,QAAN,CAAD,CAAiBS,IAAjB,CAAsB,SAAtB,IACH,CAFD,IAEO,CACHhB,CAAC,CAAC,KAAKO,QAAN,CAAD,CAAiBS,IAAjB,CAAsB,SAAtB,IACH,CACD,MACJ,IAAKf,CAAAA,CAAS,CAACO,KAAV,CAAgBI,MAArB,CACI,GAA0B,WAAtB,QAAOG,CAAAA,CAAK,CAACE,IAAjB,CAAuC,CAKnC,GAAIC,CAAAA,CAAU,CAAGlB,CAAC,CAAC,KAAKO,QAAL,CAAgB,UAAjB,CAAlB,CACA,GAAIW,CAAU,CAACC,MAAf,CAAuB,CACnBD,CAAU,CAACE,IAAX,CAAgBL,CAAK,CAACE,IAAtB,CACH,CAFD,IAEO,IAAuB,WAAnB,QAAOI,CAAAA,OAAX,CAAoC,CAEvCA,OAAO,CAACC,mBAAR,CAA4B,KAAKhB,EAAjC,CAAqC,kBAArC,IAAgES,CAAK,CAACE,IAAtE,CACH,CAGDjB,CAAC,CAAC,KAAKO,QAAN,CAAD,CAAiBgB,GAAjB,CAAqBR,CAAK,CAACE,IAA3B,CACH,CACD,MACJ,QACIjB,CAAC,CAAC,KAAKO,QAAN,CAAD,CAAiBgB,GAAjB,CAAqBR,CAArB,EACA,MA5BR,CA8BH,CAxCD,CA0CA,MAAOd,CAAAA,CACV,CAhFC,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A module that enables the setting of form field values on the client side.\n *\n * @module     mod_lti/form-field\n * @class      form-field\n * @package    mod_lti\n * @copyright  2016 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery'],\n    function($) {\n        /**\n         * Form field class.\n         *\n         * @param {string} name Field name.\n         * @param {number} type The field type.\n         * @param {boolean} resetIfUndefined Flag to reset the field to the default value if undefined in the return data.\n         * @param {string|number|boolean} defaultValue The default value to use for the field.\n         * @constructor\n         */\n        var FormField = function(name, type, resetIfUndefined, defaultValue) {\n            this.name = name;\n            this.id = 'id_' + this.name;\n            this.selector = '#' + this.id;\n            this.type = type;\n            this.resetIfUndefined = resetIfUndefined;\n            this.defaultValue = defaultValue;\n        };\n\n        /**\n         * Form field types.\n         *\n         * @type {{TEXT: number, SELECT: number, CHECKBOX: number, EDITOR: number}}\n         */\n        FormField.TYPES = {\n            TEXT: 1,\n            SELECT: 2,\n            CHECKBOX: 3,\n            EDITOR: 4\n        };\n\n        /**\n         * Sets the values for a form field.\n         *\n         * @param {string|boolean|number} value The value to be set into the field.\n         */\n        FormField.prototype.setFieldValue = function(value) {\n            if (value === null) {\n                if (this.resetIfUndefined) {\n                    value = this.defaultValue;\n                } else {\n                    // No need set the field value if value is null and there's no need to reset the field.\n                    return;\n                }\n            }\n\n            switch (this.type) {\n                case FormField.TYPES.CHECKBOX:\n                    if (value) {\n                        $(this.selector).prop('checked', true);\n                    } else {\n                        $(this.selector).prop('checked', false);\n                    }\n                    break;\n                case FormField.TYPES.EDITOR:\n                    if (typeof value.text !== 'undefined') {\n                        /* global tinyMCE:false */\n\n                        // Set text in editor's editable content, if applicable.\n                        // Check if it is an Atto editor.\n                        var attoEditor = $(this.selector + 'editable');\n                        if (attoEditor.length) {\n                            attoEditor.html(value.text);\n                        } else if (typeof tinyMCE !== 'undefined') {\n                            // If the editor is not Atto, try to fallback to TinyMCE.\n                            tinyMCE.execInstanceCommand(this.id, 'mceInsertContent', false, value.text);\n                        }\n\n                        // Set text to actual editor text area.\n                        $(this.selector).val(value.text);\n                    }\n                    break;\n                default:\n                    $(this.selector).val(value);\n                    break;\n            }\n        };\n\n        return FormField;\n    }\n);\n"],"file":"form-field.min.js"}
\ No newline at end of file
+{"version":3,"file":"form-field.min.js","sources":["../src/form-field.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A module that enables the setting of form field values on the client side.\n *\n * @module     mod_lti/form-field\n * @class      form-field\n * @package    mod_lti\n * @copyright  2016 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.2\n */\ndefine(['jquery'],\n    function($) {\n        /**\n         * Form field class.\n         *\n         * @param {string} name Field name.\n         * @param {number} type The field type.\n         * @param {boolean} resetIfUndefined Flag to reset the field to the default value if undefined in the return data.\n         * @param {string|number|boolean} defaultValue The default value to use for the field.\n         * @constructor\n         */\n        var FormField = function(name, type, resetIfUndefined, defaultValue) {\n            this.name = name;\n            this.id = 'id_' + this.name;\n            this.selector = '#' + this.id;\n            this.type = type;\n            this.resetIfUndefined = resetIfUndefined;\n            this.defaultValue = defaultValue;\n        };\n\n        /**\n         * Form field types.\n         *\n         * @type {{TEXT: number, SELECT: number, CHECKBOX: number, EDITOR: number}}\n         */\n        FormField.TYPES = {\n            TEXT: 1,\n            SELECT: 2,\n            CHECKBOX: 3,\n            EDITOR: 4\n        };\n\n        /**\n         * Sets the values for a form field.\n         *\n         * @param {string|boolean|number} value The value to be set into the field.\n         */\n        FormField.prototype.setFieldValue = function(value) {\n            if (value === null) {\n                if (this.resetIfUndefined) {\n                    value = this.defaultValue;\n                } else {\n                    // No need set the field value if value is null and there's no need to reset the field.\n                    return;\n                }\n            }\n\n            switch (this.type) {\n                case FormField.TYPES.CHECKBOX:\n                    if (value) {\n                        $(this.selector).prop('checked', true);\n                    } else {\n                        $(this.selector).prop('checked', false);\n                    }\n                    break;\n                case FormField.TYPES.EDITOR:\n                    if (typeof value.text !== 'undefined') {\n                        /* global tinyMCE:false */\n\n                        // Set text in editor's editable content, if applicable.\n                        // Check if it is an Atto editor.\n                        var attoEditor = $(this.selector + 'editable');\n                        if (attoEditor.length) {\n                            attoEditor.html(value.text);\n                        } else if (typeof tinyMCE !== 'undefined') {\n                            // If the editor is not Atto, try to fallback to TinyMCE.\n                            tinyMCE.execInstanceCommand(this.id, 'mceInsertContent', false, value.text);\n                        }\n\n                        // Set text to actual editor text area.\n                        $(this.selector).val(value.text);\n                    }\n                    break;\n                default:\n                    $(this.selector).val(value);\n                    break;\n            }\n        };\n\n        return FormField;\n    }\n);\n"],"names":["define","$","FormField","name","type","resetIfUndefined","defaultValue","id","this","selector","TYPES","TEXT","SELECT","CHECKBOX","EDITOR","prototype","setFieldValue","value","prop","text","attoEditor","length","html","tinyMCE","execInstanceCommand","val"],"mappings":";;;;;;;;;;AAyBAA,4BAAO,CAAC,WACJ,SAASC,OAUDC,UAAY,SAASC,KAAMC,KAAMC,iBAAkBC,mBAC9CH,KAAOA,UACPI,GAAK,MAAQC,KAAKL,UAClBM,SAAW,IAAMD,KAAKD,QACtBH,KAAOA,UACPC,iBAAmBA,sBACnBC,aAAeA,qBAQxBJ,UAAUQ,MAAQ,CACdC,KAAM,EACNC,OAAQ,EACRC,SAAU,EACVC,OAAQ,GAQZZ,UAAUa,UAAUC,cAAgB,SAASC,UAC3B,OAAVA,MAAgB,KACZT,KAAKH,wBACLY,MAAQT,KAAKF,oBAObE,KAAKJ,WACJF,UAAUQ,MAAMG,SACbI,MACAhB,EAAEO,KAAKC,UAAUS,KAAK,WAAW,GAEjCjB,EAAEO,KAAKC,UAAUS,KAAK,WAAW,cAGpChB,UAAUQ,MAAMI,eACS,IAAfG,MAAME,KAAsB,KAK/BC,WAAanB,EAAEO,KAAKC,SAAW,YAC/BW,WAAWC,OACXD,WAAWE,KAAKL,MAAME,MACI,oBAAZI,SAEdA,QAAQC,oBAAoBhB,KAAKD,GAAI,oBAAoB,EAAOU,MAAME,MAI1ElB,EAAEO,KAAKC,UAAUgB,IAAIR,MAAME,oBAI/BlB,EAAEO,KAAKC,UAAUgB,IAAIR,SAK1Bf"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/keys.min.js b/mod/lti/amd/build/keys.min.js
index ff218a2c7ff..fa8e0bcd37d 100644
--- a/mod/lti/amd/build/keys.min.js
+++ b/mod/lti/amd/build/keys.min.js
@@ -1,2 +1,13 @@
-define ("mod_lti/keys",[],function(){return{ENTER:13,SPACE:32}});
-//# sourceMappingURL=keys.min.js.map
+/**
+ * A list of keys and their keycodes that are used by the LTI modules.
+ *
+ * @module     mod_lti/keys
+ * @class      keys
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/keys",[],(function(){return{ENTER:13,SPACE:32}}));
+
+//# sourceMappingURL=keys.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/keys.min.js.map b/mod/lti/amd/build/keys.min.js.map
index cd61ca9b352..80ad4e7457c 100644
--- a/mod/lti/amd/build/keys.min.js.map
+++ b/mod/lti/amd/build/keys.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/keys.js"],"names":["define","ENTER","SPACE"],"mappings":"AAyBAA,OAAM,gBAAC,EAAD,CAAK,UAAW,CAClB,MAAyC,CACrCC,KAAK,CAAE,EAD8B,CAErCC,KAAK,CAAE,EAF8B,CAI5C,CALK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A list of keys and their keycodes that are used by the LTI modules.\n *\n * @module     mod_lti/keys\n * @class      keys\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine([], function() {\n    return /** @alias module:mod_lti/keys */ {\n        ENTER: 13,\n        SPACE: 32\n    };\n});\n"],"file":"keys.min.js"}
\ No newline at end of file
+{"version":3,"file":"keys.min.js","sources":["../src/keys.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A list of keys and their keycodes that are used by the LTI modules.\n *\n * @module     mod_lti/keys\n * @class      keys\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine([], function() {\n    return /** @alias module:mod_lti/keys */ {\n        ENTER: 13,\n        SPACE: 32\n    };\n});\n"],"names":["define","ENTER","SPACE"],"mappings":";;;;;;;;;;AAyBAA,sBAAO,IAAI,iBACkC,CACrCC,MAAO,GACPC,MAAO"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_card_controller.min.js b/mod/lti/amd/build/tool_card_controller.min.js
index 75f566f8e27..654534c526e 100644
--- a/mod/lti/amd/build/tool_card_controller.min.js
+++ b/mod/lti/amd/build/tool_card_controller.min.js
@@ -1,2 +1,16 @@
-define ("mod_lti/tool_card_controller",["jquery","core/ajax","core/notification","core/templates","core/modal_factory","mod_lti/tool_type","mod_lti/events","mod_lti/keys","core/str"],function(a,b,c,d,e,f,g,h,i){var j={DELETE_BUTTON:".delete",NAME_ELEMENT:".name",DESCRIPTION_ELEMENT:".description",CAPABILITIES_CONTAINER:".capabilities-container",ACTIVATE_BUTTON:".tool-card-footer a.activate"},k=2e3,l=function(a){return a.find(j.DELETE_BUTTON)},m=function(a){return a.find(j.NAME_ELEMENT)},n=function(a){return a.find(j.DESCRIPTION_ELEMENT)},o=function(a){return a.find(j.ACTIVATE_BUTTON)},p=function(a){return o(a).length?!0:!1},q=function(a){return a.find(j.CAPABILITIES_CONTAINER)},r=function(a){return q(a).length?!0:!1},s=function(a){return a.attr("data-type-id")},t=function(a){a.removeClass("announcement loading success fail capabilities")},u=function(a){t(a);a.addClass("announcement loading")},v=function(a){a.removeClass("announcement loading")},w=function(b){var c=a.Deferred();t(b);b.addClass("announcement success");setTimeout(function(){b.removeClass("announcement success");c.resolve()},k);return c},x=function(b){var c=a.Deferred();t(b);b.addClass("announcement fail");setTimeout(function(){b.removeClass("announcement fail");c.resolve()},k);return c},y=function(b){var d=a.Deferred(),e=s(b);u(b);if(""===e){return a.Deferred().resolve()}i.get_strings([{key:"delete",component:"mod_lti"},{key:"delete_confirmation",component:"mod_lti"},{key:"delete",component:"mod_lti"},{key:"cancel",component:"core"}]).done(function(a){c.confirm(a[0],a[1],a[2],a[3],function(){f.delete(e).done(function(){v(b);w(b).done(function(){b.remove()}).fail(c.exception).always(function(){d.resolve()})}).fail(function(a){x(b);d.reject(a)})},function(){v(b);d.resolve()})}).fail(function(a){v(b);c.exception(a);d.reject(a)});return d},z=function(a,b){a.attr("data-val-snapshot",b)},A=function(a){return a.attr("data-val-snapshot")},B=function(a){var b=n(a);if(b.hasClass("loading")){return}var c=b.text().trim();z(b,c)},C=function(b){var d=s(b);if(""===d){return a.Deferred().resolve()}var e=n(b);if(e.hasClass("loading")){return a.Deferred().resolve()}var g=e.text().trim(),h=A(e);if(h==g){return a.Deferred().resolve()}e.addClass("loading");var i=f.update({id:d,description:g});i.done(function(a){e.removeClass("loading");e.text(a.description)}).fail(c.exception);i.fail(function(){e.removeClass("loading")});return i},D=function(a){var b=m(a);if(b.hasClass("loading")){return}var c=b.text().trim();z(b,c)},E=function(b){var c=s(b);if(""===c){return a.Deferred().resolve()}var d=m(b);if(d.hasClass("loading")){return a.Deferred().resolve()}var e=d.text().trim(),g=A(d);if(g==e){return a.Deferred().resolve()}d.addClass("loading");var h=f.update({id:c,name:e});h.done(function(a){d.removeClass("loading");d.text(a.name)});h.fail(function(){d.removeClass("loading")});return h},F=function(b){var c=s(b);if(""===c){return a.Deferred().resolve()}u(b);var e=f.update({id:c,state:f.constants.state.configured});e.then(function(a){v(b);w(b);return a}).then(function(a){return d.render("mod_lti/tool_card",a)}).then(function(a){var c=a[0],e=a[1];d.replaceNode(b,c,e)}).catch(function(){v(b);x(b)});return e},G=function(a){a.addClass("announcement capabilities")},H=function(a){a.removeClass("announcement capabilities")},I=function(a){if(r(a)){G(a)}else{F(a)}},J=function(a){var b=l(a);b.click(function(b){b.preventDefault();y(a)});b.keypress(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(a.keyCode==h.ENTER||a.keyCode==h.SPACE){a.preventDefault();b.click()}}});var c=n(a);c.focus(function(b){b.preventDefault();B(a)});c.blur(function(b){b.preventDefault();C(a)});c.keypress(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(a.keyCode==h.ENTER){a.preventDefault();c.blur()}}});var d=m(a);d.focus(function(b){b.preventDefault();D(a)});d.blur(function(b){b.preventDefault();E(a)});d.keypress(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(a.keyCode==h.ENTER){a.preventDefault();d.blur()}}});if(p(a)){var f=o(a);f.click(function(b){b.preventDefault();I(a)});f.keypress(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(a.keyCode==h.ENTER||a.keyCode==h.SPACE){a.preventDefault();f.click()}}})}if(r(a)){var i=q(a);i.on(g.CAPABILITIES_AGREE,function(){F(a)});i.on(g.CAPABILITIES_DECLINE,function(){H(a)})}},K=function(b){var c=a("#"+b.data("uniqid")+"-"+b.data("deploymentid")),f={uniqid:b.data("uniqid"),platformid:b.data("platformid"),clientid:b.data("clientid"),deploymentid:b.data("deploymentid"),urls:{publickeyset:b.data("publickeyseturl"),accesstoken:b.data("accesstokenurl"),authrequest:b.data("authrequesturl")}},g=d.render("mod_lti/tool_config_modal_body",f),h="mailto:?subject="+encodeURIComponent(b.data("mailtosubject"))+"&body="+encodeURIComponent(b.data("platformidstr"))+":%20"+encodeURIComponent(b.data("platformid"))+"%0D%0A"+encodeURIComponent(b.data("clientidstr"))+":%20"+encodeURIComponent(b.data("clientid"))+"%0D%0A"+encodeURIComponent(b.data("deploymentidstr"))+":%20"+encodeURIComponent(b.data("deploymentid"))+"%0D%0A"+encodeURIComponent(b.data("publickeyseturlstr"))+":%20"+encodeURIComponent(b.data("publickeyseturl"))+"%0D%0A"+encodeURIComponent(b.data("accesstokenurlstr"))+":%20"+encodeURIComponent(b.data("accesstokenurl"))+"%0D%0A"+encodeURIComponent(b.data("authrequesturlstr"))+":%20"+encodeURIComponent(b.data("authrequesturl"))+"%0D%0A";f={mailto:h};var i=d.render("mod_lti/tool_config_modal_footer",f);e.create({large:!0,title:b.data("modaltitle"),body:g,footer:i},c)};return{init:function init(a){J(a);K(a)}}});
-//# sourceMappingURL=tool_card_controller.min.js.map
+/**
+ * Controls all of the behaviour and interaction with a tool type card. These are
+ * listed on the LTI tool type management page.
+ *
+ * See template: mod_lti/tool_card
+ *
+ * @module     mod_lti/tool_card_controller
+ * @class      tool_card_controller
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/tool_card_controller",["jquery","core/ajax","core/notification","core/templates","core/modal_factory","mod_lti/tool_type","mod_lti/events","mod_lti/keys","core/str"],(function($,ajax,notification,templates,modalFactory,toolType,ltiEvents,KEYS,str){var SELECTORS_DELETE_BUTTON=".delete",SELECTORS_NAME_ELEMENT=".name",SELECTORS_DESCRIPTION_ELEMENT=".description",SELECTORS_CAPABILITIES_CONTAINER=".capabilities-container",SELECTORS_ACTIVATE_BUTTON=".tool-card-footer a.activate",getNameElement=function(element){return element.find(SELECTORS_NAME_ELEMENT)},getDescriptionElement=function(element){return element.find(SELECTORS_DESCRIPTION_ELEMENT)},getActivateButton=function(element){return element.find(SELECTORS_ACTIVATE_BUTTON)},getCapabilitiesContainer=function(element){return element.find(SELECTORS_CAPABILITIES_CONTAINER)},hasCapabilitiesContainer=function(element){return!!getCapabilitiesContainer(element).length},getTypeId=function(element){return element.attr("data-type-id")},clearAllAnnouncements=function(element){element.removeClass("announcement loading success fail capabilities")},startLoading=function(element){clearAllAnnouncements(element),element.addClass("announcement loading")},stopLoading=function(element){element.removeClass("announcement loading")},announceSuccess=function(element){var promise=$.Deferred();return clearAllAnnouncements(element),element.addClass("announcement success"),setTimeout((function(){element.removeClass("announcement success"),promise.resolve()}),2e3),promise},announceFailure=function(element){var promise=$.Deferred();return clearAllAnnouncements(element),element.addClass("announcement fail"),setTimeout((function(){element.removeClass("announcement fail"),promise.resolve()}),2e3),promise},setValueSnapshot=function(element,value){element.attr("data-val-snapshot",value)},getValueSnapshot=function(element){return element.attr("data-val-snapshot")},setStatusActive=function(element){var id=getTypeId(element);if(""===id)return $.Deferred().resolve();startLoading(element);var promise=toolType.update({id:id,state:toolType.constants.state.configured});return promise.then((function(toolTypeData){return stopLoading(element),announceSuccess(element),toolTypeData})).then((function(toolTypeData){return templates.render("mod_lti/tool_card",toolTypeData)})).then((function(renderResult){var html=renderResult[0],js=renderResult[1];templates.replaceNode(element,html,js)})).catch((function(){stopLoading(element),announceFailure(element)})),promise},registerEventListeners=function(element){var deleteButton=function(element){return element.find(SELECTORS_DELETE_BUTTON)}(element);deleteButton.click((function(e){e.preventDefault(),function(element){var promise=$.Deferred(),typeId=getTypeId(element);startLoading(element),""===typeId?$.Deferred().resolve():str.get_strings([{key:"delete",component:"mod_lti"},{key:"delete_confirmation",component:"mod_lti"},{key:"delete",component:"mod_lti"},{key:"cancel",component:"core"}]).done((function(strs){notification.confirm(strs[0],strs[1],strs[2],strs[3],(function(){toolType.delete(typeId).done((function(){stopLoading(element),announceSuccess(element).done((function(){element.remove()})).fail(notification.exception).always((function(){promise.resolve()}))})).fail((function(error){announceFailure(element),promise.reject(error)}))}),(function(){stopLoading(element),promise.resolve()}))})).fail((function(error){stopLoading(element),notification.exception(error),promise.reject(error)}))}(element)})),deleteButton.keypress((function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||e.keyCode!=KEYS.ENTER&&e.keyCode!=KEYS.SPACE||(e.preventDefault(),deleteButton.click())}));var descriptionElement=getDescriptionElement(element);descriptionElement.focus((function(e){e.preventDefault(),function(element){var descriptionElement=getDescriptionElement(element);if(!descriptionElement.hasClass("loading")){var description=descriptionElement.text().trim();setValueSnapshot(descriptionElement,description)}}(element)})),descriptionElement.blur((function(e){e.preventDefault(),function(element){var typeId=getTypeId(element);if(""===typeId)return $.Deferred().resolve();var descriptionElement=getDescriptionElement(element);if(descriptionElement.hasClass("loading"))return $.Deferred().resolve();var description=descriptionElement.text().trim();if(getValueSnapshot(descriptionElement)==description)return $.Deferred().resolve();descriptionElement.addClass("loading");var promise=toolType.update({id:typeId,description:description});promise.done((function(type){descriptionElement.removeClass("loading"),descriptionElement.text(type.description)})).fail(notification.exception),promise.fail((function(){descriptionElement.removeClass("loading")}))}(element)})),descriptionElement.keypress((function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||e.keyCode==KEYS.ENTER&&(e.preventDefault(),descriptionElement.blur())}));var nameElement=getNameElement(element);if(nameElement.focus((function(e){e.preventDefault(),function(element){var nameElement=getNameElement(element);if(!nameElement.hasClass("loading")){var name=nameElement.text().trim();setValueSnapshot(nameElement,name)}}(element)})),nameElement.blur((function(e){e.preventDefault(),function(element){var typeId=getTypeId(element);if(""===typeId)return $.Deferred().resolve();var nameElement=getNameElement(element);if(nameElement.hasClass("loading"))return $.Deferred().resolve();var name=nameElement.text().trim();if(getValueSnapshot(nameElement)==name)return $.Deferred().resolve();nameElement.addClass("loading");var promise=toolType.update({id:typeId,name:name});promise.done((function(type){nameElement.removeClass("loading"),nameElement.text(type.name)})),promise.fail((function(){nameElement.removeClass("loading")}))}(element)})),nameElement.keypress((function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||e.keyCode==KEYS.ENTER&&(e.preventDefault(),nameElement.blur())})),function(element){return!!getActivateButton(element).length}(element)){var activateButton=getActivateButton(element);activateButton.click((function(e){e.preventDefault(),function(element){hasCapabilitiesContainer(element)?function(element){element.addClass("announcement capabilities")}(element):setStatusActive(element)}(element)})),activateButton.keypress((function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||e.keyCode!=KEYS.ENTER&&e.keyCode!=KEYS.SPACE||(e.preventDefault(),activateButton.click())}))}if(hasCapabilitiesContainer(element)){var capabilitiesContainer=getCapabilitiesContainer(element);capabilitiesContainer.on(ltiEvents.CAPABILITIES_AGREE,(function(){setStatusActive(element)})),capabilitiesContainer.on(ltiEvents.CAPABILITIES_DECLINE,(function(){!function(element){element.removeClass("announcement capabilities")}(element)}))}};return{init:function(element){registerEventListeners(element),function(element){var trigger=$("#"+element.data("uniqid")+"-"+element.data("deploymentid")),context={uniqid:element.data("uniqid"),platformid:element.data("platformid"),clientid:element.data("clientid"),deploymentid:element.data("deploymentid"),urls:{publickeyset:element.data("publickeyseturl"),accesstoken:element.data("accesstokenurl"),authrequest:element.data("authrequesturl")}},bodyPromise=templates.render("mod_lti/tool_config_modal_body",context);context={mailto:"mailto:?subject="+encodeURIComponent(element.data("mailtosubject"))+"&body="+encodeURIComponent(element.data("platformidstr"))+":%20"+encodeURIComponent(element.data("platformid"))+"%0D%0A"+encodeURIComponent(element.data("clientidstr"))+":%20"+encodeURIComponent(element.data("clientid"))+"%0D%0A"+encodeURIComponent(element.data("deploymentidstr"))+":%20"+encodeURIComponent(element.data("deploymentid"))+"%0D%0A"+encodeURIComponent(element.data("publickeyseturlstr"))+":%20"+encodeURIComponent(element.data("publickeyseturl"))+"%0D%0A"+encodeURIComponent(element.data("accesstokenurlstr"))+":%20"+encodeURIComponent(element.data("accesstokenurl"))+"%0D%0A"+encodeURIComponent(element.data("authrequesturlstr"))+":%20"+encodeURIComponent(element.data("authrequesturl"))+"%0D%0A"};var footerPromise=templates.render("mod_lti/tool_config_modal_footer",context);modalFactory.create({large:!0,title:element.data("modaltitle"),body:bodyPromise,footer:footerPromise},trigger)}(element)}}}));
+
+//# sourceMappingURL=tool_card_controller.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_card_controller.min.js.map b/mod/lti/amd/build/tool_card_controller.min.js.map
index bfe3b34df06..9de4c6887d5 100644
--- a/mod/lti/amd/build/tool_card_controller.min.js.map
+++ b/mod/lti/amd/build/tool_card_controller.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls all of the behaviour and interaction with a tool type card. These are\n * listed on the LTI tool type management page.\n *\n * See template: mod_lti/tool_card\n *\n * @module     mod_lti/tool_card_controller\n * @class      tool_card_controller\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\n define(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'core/modal_factory',\n        'mod_lti/tool_type', 'mod_lti/events', 'mod_lti/keys',\n        'core/str'],\n        function($, ajax, notification, templates, modalFactory, toolType, ltiEvents, KEYS, str) {\n\n    var SELECTORS = {\n        DELETE_BUTTON: '.delete',\n        NAME_ELEMENT: '.name',\n        DESCRIPTION_ELEMENT: '.description',\n        CAPABILITIES_CONTAINER: '.capabilities-container',\n        ACTIVATE_BUTTON: '.tool-card-footer a.activate',\n    };\n\n    // Timeout in seconds.\n    var ANNOUNCEMENT_TIMEOUT = 2000;\n\n    /**\n     * Return the delete button element.\n     *\n     * @method getDeleteButton\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery} jQuery object\n     */\n    var getDeleteButton = function(element) {\n        return element.find(SELECTORS.DELETE_BUTTON);\n    };\n\n    /**\n     * Return the element representing the tool type name.\n     *\n     * @method getNameElement\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery} jQuery object\n     */\n    var getNameElement = function(element) {\n        return element.find(SELECTORS.NAME_ELEMENT);\n    };\n\n    /**\n     * Return the element representing the tool type description.\n     *\n     * @method getDescriptionElement\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery} jQuery object\n     */\n    var getDescriptionElement = function(element) {\n        return element.find(SELECTORS.DESCRIPTION_ELEMENT);\n    };\n\n    /**\n     * Return the activate button for the type.\n     *\n     * @method getActivateButton\n     * @private\n     * @param {Object} element jQuery object representing the tool card.\n     * @return {Object} jQuery object\n     */\n    var getActivateButton = function(element) {\n        return element.find(SELECTORS.ACTIVATE_BUTTON);\n    };\n\n    /**\n     * Checks if the type card has an activate button.\n     *\n     * @method hasActivateButton\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Boolean} true if has active buton\n     */\n    var hasActivateButton = function(element) {\n        return getActivateButton(element).length ? true : false;\n    };\n\n    /**\n     * Return the element that contains the capabilities approval for\n     * the user.\n     *\n     * @method getCapabilitiesContainer\n     * @private\n     * @param {Object} element jQuery object representing the tool card.\n     * @return {Object} The element\n     */\n    var getCapabilitiesContainer = function(element) {\n        return element.find(SELECTORS.CAPABILITIES_CONTAINER);\n    };\n\n    /**\n     * Checks if the tool type has capabilities that need approval. If it\n     * does then the container will be present.\n     *\n     * @method hasCapabilitiesContainer\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Boolean} true if has capbilities.\n     */\n    var hasCapabilitiesContainer = function(element) {\n        return getCapabilitiesContainer(element).length ? true : false;\n    };\n\n    /**\n     * Get the type id.\n     *\n     * @method getTypeId\n     * @private\n     * @param {Object} element jQuery object representing the tool card.\n     * @return {String} Type ID\n     */\n    var getTypeId = function(element) {\n        return element.attr('data-type-id');\n    };\n\n    /**\n     * Stop any announcement currently visible on the card.\n     *\n     * @method clearAllAnnouncements\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var clearAllAnnouncements = function(element) {\n        element.removeClass('announcement loading success fail capabilities');\n    };\n\n    /**\n     * Show the loading announcement.\n     *\n     * @method startLoading\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var startLoading = function(element) {\n        clearAllAnnouncements(element);\n        element.addClass('announcement loading');\n    };\n\n    /**\n     * Hide the loading announcement.\n     *\n     * @method stopLoading\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var stopLoading = function(element) {\n        element.removeClass('announcement loading');\n    };\n\n    /**\n     * Show the success announcement. The announcement is only\n     * visible for 2 seconds.\n     *\n     * @method announceSuccess\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var announceSuccess = function(element) {\n        var promise = $.Deferred();\n\n        clearAllAnnouncements(element);\n        element.addClass('announcement success');\n        setTimeout(function() {\n            element.removeClass('announcement success');\n            promise.resolve();\n        }, ANNOUNCEMENT_TIMEOUT);\n\n        return promise;\n    };\n\n    /**\n     * Show the failure announcement. The announcement is only\n     * visible for 2 seconds.\n     *\n     * @method announceFailure\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var announceFailure = function(element) {\n        var promise = $.Deferred();\n\n        clearAllAnnouncements(element);\n        element.addClass('announcement fail');\n        setTimeout(function() {\n            element.removeClass('announcement fail');\n            promise.resolve();\n        }, ANNOUNCEMENT_TIMEOUT);\n\n        return promise;\n    };\n\n    /**\n     * Delete the tool type from the Moodle server. Triggers a success\n     * or failure announcement depending on the result.\n     *\n     * @method deleteType\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var deleteType = function(element) {\n        var promise = $.Deferred();\n        var typeId = getTypeId(element);\n        startLoading(element);\n\n        if (typeId === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        str.get_strings([\n                {\n                    key: 'delete',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'delete_confirmation',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'delete',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'cancel',\n                    component: 'core'\n                },\n            ])\n            .done(function(strs) {\n                    notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                            toolType.delete(typeId)\n                                .done(function() {\n                                        stopLoading(element);\n                                        announceSuccess(element)\n                                            .done(function() {\n                                                    element.remove();\n                                                })\n                                            .fail(notification.exception)\n                                            .always(function() {\n                                                    // Always resolve because even if the announcement fails the type was deleted.\n                                                    promise.resolve();\n                                                });\n                                    })\n                                .fail(function(error) {\n                                        announceFailure(element);\n                                        promise.reject(error);\n                                    });\n                        }, function() {\n                                stopLoading(element);\n                                promise.resolve();\n                            });\n                })\n            .fail(function(error) {\n                    stopLoading(element);\n                    notification.exception(error);\n                    promise.reject(error);\n                });\n\n        return promise;\n    };\n\n    /**\n     * Save a given value in a data attribute on the element.\n     *\n     * @method setValueSnapshot\n     * @private\n     * @param {JQuery} element jQuery object representing the element.\n     * @param {String} value to be saved.\n     */\n    var setValueSnapshot = function(element, value) {\n        element.attr('data-val-snapshot', value);\n    };\n\n    /**\n     * Return the saved value from the element.\n     *\n     * @method getValueSnapshot\n     * @private\n     * @param {JQuery} element jQuery object representing the element.\n     * @return {String} the saved value.\n     */\n    var getValueSnapshot = function(element) {\n        return element.attr('data-val-snapshot');\n    };\n\n    /**\n     * Save the current value of the tool description.\n     *\n     * @method snapshotDescription\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var snapshotDescription = function(element) {\n        var descriptionElement = getDescriptionElement(element);\n\n        if (descriptionElement.hasClass('loading')) {\n            return;\n        }\n\n        var description = descriptionElement.text().trim();\n        setValueSnapshot(descriptionElement, description);\n    };\n\n    /**\n     * Send a request to update the description value for this tool\n     * in the Moodle server.\n     *\n     * @method updateDescription\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var updateDescription = function(element) {\n        var typeId = getTypeId(element);\n\n        // Return early if we don't have an id because it's\n        // required to save the changes.\n        if (typeId === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        var descriptionElement = getDescriptionElement(element);\n\n        // Return early if we're already saving a value.\n        if (descriptionElement.hasClass('loading')) {\n            return $.Deferred().resolve();\n        }\n\n        var description = descriptionElement.text().trim();\n        var snapshotVal = getValueSnapshot(descriptionElement);\n\n        // If the value hasn't change then don't bother sending the\n        // update request.\n        if (snapshotVal == description) {\n            return $.Deferred().resolve();\n        }\n\n        descriptionElement.addClass('loading');\n\n        var promise = toolType.update({id: typeId, description: description});\n\n        promise.done(function(type) {\n            descriptionElement.removeClass('loading');\n            // Make sure the text is updated with the description from the\n            // server, just in case the update didn't work.\n            descriptionElement.text(type.description);\n        }).fail(notification.exception);\n\n        // Probably need to handle failures better so that we can revert\n        // the value in the input for the user.\n        promise.fail(function() {\n          descriptionElement.removeClass('loading');\n        });\n\n        return promise;\n    };\n\n    /**\n     * Save the current value of the tool name.\n     *\n     * @method snapshotName\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var snapshotName = function(element) {\n        var nameElement = getNameElement(element);\n\n        if (nameElement.hasClass('loading')) {\n            return;\n        }\n\n        var name = nameElement.text().trim();\n        setValueSnapshot(nameElement, name);\n    };\n\n    /**\n     * Send a request to update the name value for this tool\n     * in the Moodle server.\n     *\n     * @method updateName\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var updateName = function(element) {\n        var typeId = getTypeId(element);\n\n        // Return if we don't have an id.\n        if (typeId === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        var nameElement = getNameElement(element);\n\n        // Return if we're already saving.\n        if (nameElement.hasClass('loading')) {\n            return $.Deferred().resolve();\n        }\n\n        var name = nameElement.text().trim();\n        var snapshotVal = getValueSnapshot(nameElement);\n\n        // If the value hasn't change then don't bother sending the\n        // update request.\n        if (snapshotVal == name) {\n            return $.Deferred().resolve();\n        }\n\n        nameElement.addClass('loading');\n        var promise = toolType.update({id: typeId, name: name});\n\n        promise.done(function(type) {\n            nameElement.removeClass('loading');\n            // Make sure the text is updated with the name from the\n            // server, just in case the update didn't work.\n            nameElement.text(type.name);\n        });\n\n        // Probably need to handle failures better so that we can revert\n        // the value in the input for the user.\n        promise.fail(function() {\n          nameElement.removeClass('loading');\n        });\n\n        return promise;\n    };\n\n    /**\n     * Send a request to update the state for this tool to be configured (active)\n     * in the Moodle server. A success or failure announcement is triggered depending\n     * on the result.\n     *\n     * @method setStatusActive\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var setStatusActive = function(element) {\n        var id = getTypeId(element);\n\n        // Return if we don't have an id.\n        if (id === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        startLoading(element);\n\n        var promise = toolType.update({\n            id: id,\n            state: toolType.constants.state.configured\n        });\n\n        promise.then(function(toolTypeData) {\n            stopLoading(element);\n            announceSuccess(element);\n            return toolTypeData;\n        }).then(function(toolTypeData) {\n            return templates.render('mod_lti/tool_card', toolTypeData);\n        }).then(function(renderResult) {\n            var html = renderResult[0];\n            var js = renderResult[1];\n\n            templates.replaceNode(element, html, js);\n            return;\n        }).catch(function() {\n            stopLoading(element);\n            announceFailure(element);\n        });\n\n        return promise;\n    };\n\n    /**\n     * Show the capabilities approval screen to show which groups of data this\n     * type requires access to in Moodle (if any).\n     *\n     * @method displayCapabilitiesApproval\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var displayCapabilitiesApproval = function(element) {\n        element.addClass('announcement capabilities');\n    };\n\n    /**\n     * Hide the capabilities approval screen.\n     *\n     * @method hideCapabilitiesApproval\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var hideCapabilitiesApproval = function(element) {\n        element.removeClass('announcement capabilities');\n    };\n\n    /**\n     * The user wishes to activate this tool so show them the capabilities that\n     * they need to agree to or if there are none then set the tool type's state\n     * to active.\n     *\n     * @method activateToolType\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var activateToolType = function(element) {\n        if (hasCapabilitiesContainer(element)) {\n            displayCapabilitiesApproval(element);\n        } else {\n            setStatusActive(element);\n        }\n    };\n\n    /**\n     * Sets up the listeners for user interaction on this tool type card.\n     *\n     * @method registerEventListeners\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var registerEventListeners = function(element) {\n        var deleteButton = getDeleteButton(element);\n        deleteButton.click(function(e) {\n            e.preventDefault();\n            deleteType(element);\n        });\n        deleteButton.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                    e.preventDefault();\n                    deleteButton.click();\n                }\n            }\n        });\n\n        var descriptionElement = getDescriptionElement(element);\n        descriptionElement.focus(function(e) {\n            e.preventDefault();\n            // Save a copy of the current value for the description so that\n            // we can check if the user has changed it before sending a request to\n            // the server.\n            snapshotDescription(element);\n        });\n        descriptionElement.blur(function(e) {\n            e.preventDefault();\n            updateDescription(element);\n        });\n        descriptionElement.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER) {\n                    e.preventDefault();\n                    descriptionElement.blur();\n                }\n            }\n        });\n\n        var nameElement = getNameElement(element);\n        nameElement.focus(function(e) {\n            e.preventDefault();\n            // Save a copy of the current value for the name so that\n            // we can check if the user has changed it before sending a request to\n            // the server.\n            snapshotName(element);\n        });\n        nameElement.blur(function(e) {\n            e.preventDefault();\n            updateName(element);\n        });\n        nameElement.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER) {\n                    e.preventDefault();\n                    nameElement.blur();\n                }\n            }\n        });\n\n        // Only pending tool type cards have an activate button.\n        if (hasActivateButton(element)) {\n            var activateButton = getActivateButton(element);\n            activateButton.click(function(e) {\n                e.preventDefault();\n                activateToolType(element);\n            });\n            activateButton.keypress(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                        e.preventDefault();\n                        activateButton.click();\n                    }\n                }\n            });\n        }\n\n        if (hasCapabilitiesContainer(element)) {\n            var capabilitiesContainer = getCapabilitiesContainer(element);\n\n            capabilitiesContainer.on(ltiEvents.CAPABILITIES_AGREE, function() {\n                setStatusActive(element);\n            });\n\n            capabilitiesContainer.on(ltiEvents.CAPABILITIES_DECLINE, function() {\n                hideCapabilitiesApproval(element);\n            });\n        }\n    };\n\n    /**\n     * Sets up the templates for the tool configuration modal on this tool type card.\n     *\n     * @method registerModal\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var registerModal = function(element) {\n        var trigger = $('#' + element.data('uniqid') + '-' + element.data('deploymentid'));\n        var context = {\n            'uniqid': element.data('uniqid'),\n            'platformid': element.data('platformid'),\n            'clientid': element.data('clientid'),\n            'deploymentid': element.data('deploymentid'),\n            'urls': {\n                'publickeyset': element.data('publickeyseturl'),\n                'accesstoken': element.data('accesstokenurl'),\n                'authrequest': element.data('authrequesturl')\n            }\n        };\n        var bodyPromise = templates.render('mod_lti/tool_config_modal_body', context);\n        var mailTo = 'mailto:?subject=' + encodeURIComponent(element.data('mailtosubject')) +\n            '&body=' + encodeURIComponent(element.data('platformidstr')) + ':%20' +\n            encodeURIComponent(element.data('platformid')) + '%0D%0A' +\n            encodeURIComponent(element.data('clientidstr')) + ':%20' +\n            encodeURIComponent(element.data('clientid')) + '%0D%0A' +\n            encodeURIComponent(element.data('deploymentidstr')) + ':%20' +\n            encodeURIComponent(element.data('deploymentid')) + '%0D%0A' +\n            encodeURIComponent(element.data('publickeyseturlstr')) + ':%20' +\n            encodeURIComponent(element.data('publickeyseturl')) + '%0D%0A' +\n            encodeURIComponent(element.data('accesstokenurlstr')) + ':%20' +\n            encodeURIComponent(element.data('accesstokenurl')) + '%0D%0A' +\n            encodeURIComponent(element.data('authrequesturlstr')) + ':%20' +\n            encodeURIComponent(element.data('authrequesturl')) + '%0D%0A';\n        context = {\n            'mailto': mailTo\n        };\n        var footerPromise = templates.render('mod_lti/tool_config_modal_footer', context);\n        modalFactory.create({\n          large: true,\n          title: element.data('modaltitle'),\n          body: bodyPromise,\n          footer: footerPromise,\n        }, trigger);\n    };\n\n    return /** @alias module:mod_lti/tool_card_controller */ {\n\n        /**\n         * Initialise this module.\n         *\n         * @param {JQuery} element jQuery object representing the tool card.\n         */\n        init: function(element) {\n            registerEventListeners(element);\n            registerModal(element);\n        }\n    };\n});\n"],"file":"tool_card_controller.min.js"}
\ No newline at end of file
+{"version":3,"file":"tool_card_controller.min.js","sources":["../src/tool_card_controller.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls all of the behaviour and interaction with a tool type card. These are\n * listed on the LTI tool type management page.\n *\n * See template: mod_lti/tool_card\n *\n * @module     mod_lti/tool_card_controller\n * @class      tool_card_controller\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\n define(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'core/modal_factory',\n        'mod_lti/tool_type', 'mod_lti/events', 'mod_lti/keys',\n        'core/str'],\n        function($, ajax, notification, templates, modalFactory, toolType, ltiEvents, KEYS, str) {\n\n    var SELECTORS = {\n        DELETE_BUTTON: '.delete',\n        NAME_ELEMENT: '.name',\n        DESCRIPTION_ELEMENT: '.description',\n        CAPABILITIES_CONTAINER: '.capabilities-container',\n        ACTIVATE_BUTTON: '.tool-card-footer a.activate',\n    };\n\n    // Timeout in seconds.\n    var ANNOUNCEMENT_TIMEOUT = 2000;\n\n    /**\n     * Return the delete button element.\n     *\n     * @method getDeleteButton\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery} jQuery object\n     */\n    var getDeleteButton = function(element) {\n        return element.find(SELECTORS.DELETE_BUTTON);\n    };\n\n    /**\n     * Return the element representing the tool type name.\n     *\n     * @method getNameElement\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery} jQuery object\n     */\n    var getNameElement = function(element) {\n        return element.find(SELECTORS.NAME_ELEMENT);\n    };\n\n    /**\n     * Return the element representing the tool type description.\n     *\n     * @method getDescriptionElement\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery} jQuery object\n     */\n    var getDescriptionElement = function(element) {\n        return element.find(SELECTORS.DESCRIPTION_ELEMENT);\n    };\n\n    /**\n     * Return the activate button for the type.\n     *\n     * @method getActivateButton\n     * @private\n     * @param {Object} element jQuery object representing the tool card.\n     * @return {Object} jQuery object\n     */\n    var getActivateButton = function(element) {\n        return element.find(SELECTORS.ACTIVATE_BUTTON);\n    };\n\n    /**\n     * Checks if the type card has an activate button.\n     *\n     * @method hasActivateButton\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Boolean} true if has active buton\n     */\n    var hasActivateButton = function(element) {\n        return getActivateButton(element).length ? true : false;\n    };\n\n    /**\n     * Return the element that contains the capabilities approval for\n     * the user.\n     *\n     * @method getCapabilitiesContainer\n     * @private\n     * @param {Object} element jQuery object representing the tool card.\n     * @return {Object} The element\n     */\n    var getCapabilitiesContainer = function(element) {\n        return element.find(SELECTORS.CAPABILITIES_CONTAINER);\n    };\n\n    /**\n     * Checks if the tool type has capabilities that need approval. If it\n     * does then the container will be present.\n     *\n     * @method hasCapabilitiesContainer\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Boolean} true if has capbilities.\n     */\n    var hasCapabilitiesContainer = function(element) {\n        return getCapabilitiesContainer(element).length ? true : false;\n    };\n\n    /**\n     * Get the type id.\n     *\n     * @method getTypeId\n     * @private\n     * @param {Object} element jQuery object representing the tool card.\n     * @return {String} Type ID\n     */\n    var getTypeId = function(element) {\n        return element.attr('data-type-id');\n    };\n\n    /**\n     * Stop any announcement currently visible on the card.\n     *\n     * @method clearAllAnnouncements\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var clearAllAnnouncements = function(element) {\n        element.removeClass('announcement loading success fail capabilities');\n    };\n\n    /**\n     * Show the loading announcement.\n     *\n     * @method startLoading\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var startLoading = function(element) {\n        clearAllAnnouncements(element);\n        element.addClass('announcement loading');\n    };\n\n    /**\n     * Hide the loading announcement.\n     *\n     * @method stopLoading\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var stopLoading = function(element) {\n        element.removeClass('announcement loading');\n    };\n\n    /**\n     * Show the success announcement. The announcement is only\n     * visible for 2 seconds.\n     *\n     * @method announceSuccess\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var announceSuccess = function(element) {\n        var promise = $.Deferred();\n\n        clearAllAnnouncements(element);\n        element.addClass('announcement success');\n        setTimeout(function() {\n            element.removeClass('announcement success');\n            promise.resolve();\n        }, ANNOUNCEMENT_TIMEOUT);\n\n        return promise;\n    };\n\n    /**\n     * Show the failure announcement. The announcement is only\n     * visible for 2 seconds.\n     *\n     * @method announceFailure\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var announceFailure = function(element) {\n        var promise = $.Deferred();\n\n        clearAllAnnouncements(element);\n        element.addClass('announcement fail');\n        setTimeout(function() {\n            element.removeClass('announcement fail');\n            promise.resolve();\n        }, ANNOUNCEMENT_TIMEOUT);\n\n        return promise;\n    };\n\n    /**\n     * Delete the tool type from the Moodle server. Triggers a success\n     * or failure announcement depending on the result.\n     *\n     * @method deleteType\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var deleteType = function(element) {\n        var promise = $.Deferred();\n        var typeId = getTypeId(element);\n        startLoading(element);\n\n        if (typeId === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        str.get_strings([\n                {\n                    key: 'delete',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'delete_confirmation',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'delete',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'cancel',\n                    component: 'core'\n                },\n            ])\n            .done(function(strs) {\n                    notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                            toolType.delete(typeId)\n                                .done(function() {\n                                        stopLoading(element);\n                                        announceSuccess(element)\n                                            .done(function() {\n                                                    element.remove();\n                                                })\n                                            .fail(notification.exception)\n                                            .always(function() {\n                                                    // Always resolve because even if the announcement fails the type was deleted.\n                                                    promise.resolve();\n                                                });\n                                    })\n                                .fail(function(error) {\n                                        announceFailure(element);\n                                        promise.reject(error);\n                                    });\n                        }, function() {\n                                stopLoading(element);\n                                promise.resolve();\n                            });\n                })\n            .fail(function(error) {\n                    stopLoading(element);\n                    notification.exception(error);\n                    promise.reject(error);\n                });\n\n        return promise;\n    };\n\n    /**\n     * Save a given value in a data attribute on the element.\n     *\n     * @method setValueSnapshot\n     * @private\n     * @param {JQuery} element jQuery object representing the element.\n     * @param {String} value to be saved.\n     */\n    var setValueSnapshot = function(element, value) {\n        element.attr('data-val-snapshot', value);\n    };\n\n    /**\n     * Return the saved value from the element.\n     *\n     * @method getValueSnapshot\n     * @private\n     * @param {JQuery} element jQuery object representing the element.\n     * @return {String} the saved value.\n     */\n    var getValueSnapshot = function(element) {\n        return element.attr('data-val-snapshot');\n    };\n\n    /**\n     * Save the current value of the tool description.\n     *\n     * @method snapshotDescription\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var snapshotDescription = function(element) {\n        var descriptionElement = getDescriptionElement(element);\n\n        if (descriptionElement.hasClass('loading')) {\n            return;\n        }\n\n        var description = descriptionElement.text().trim();\n        setValueSnapshot(descriptionElement, description);\n    };\n\n    /**\n     * Send a request to update the description value for this tool\n     * in the Moodle server.\n     *\n     * @method updateDescription\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var updateDescription = function(element) {\n        var typeId = getTypeId(element);\n\n        // Return early if we don't have an id because it's\n        // required to save the changes.\n        if (typeId === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        var descriptionElement = getDescriptionElement(element);\n\n        // Return early if we're already saving a value.\n        if (descriptionElement.hasClass('loading')) {\n            return $.Deferred().resolve();\n        }\n\n        var description = descriptionElement.text().trim();\n        var snapshotVal = getValueSnapshot(descriptionElement);\n\n        // If the value hasn't change then don't bother sending the\n        // update request.\n        if (snapshotVal == description) {\n            return $.Deferred().resolve();\n        }\n\n        descriptionElement.addClass('loading');\n\n        var promise = toolType.update({id: typeId, description: description});\n\n        promise.done(function(type) {\n            descriptionElement.removeClass('loading');\n            // Make sure the text is updated with the description from the\n            // server, just in case the update didn't work.\n            descriptionElement.text(type.description);\n        }).fail(notification.exception);\n\n        // Probably need to handle failures better so that we can revert\n        // the value in the input for the user.\n        promise.fail(function() {\n          descriptionElement.removeClass('loading');\n        });\n\n        return promise;\n    };\n\n    /**\n     * Save the current value of the tool name.\n     *\n     * @method snapshotName\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var snapshotName = function(element) {\n        var nameElement = getNameElement(element);\n\n        if (nameElement.hasClass('loading')) {\n            return;\n        }\n\n        var name = nameElement.text().trim();\n        setValueSnapshot(nameElement, name);\n    };\n\n    /**\n     * Send a request to update the name value for this tool\n     * in the Moodle server.\n     *\n     * @method updateName\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var updateName = function(element) {\n        var typeId = getTypeId(element);\n\n        // Return if we don't have an id.\n        if (typeId === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        var nameElement = getNameElement(element);\n\n        // Return if we're already saving.\n        if (nameElement.hasClass('loading')) {\n            return $.Deferred().resolve();\n        }\n\n        var name = nameElement.text().trim();\n        var snapshotVal = getValueSnapshot(nameElement);\n\n        // If the value hasn't change then don't bother sending the\n        // update request.\n        if (snapshotVal == name) {\n            return $.Deferred().resolve();\n        }\n\n        nameElement.addClass('loading');\n        var promise = toolType.update({id: typeId, name: name});\n\n        promise.done(function(type) {\n            nameElement.removeClass('loading');\n            // Make sure the text is updated with the name from the\n            // server, just in case the update didn't work.\n            nameElement.text(type.name);\n        });\n\n        // Probably need to handle failures better so that we can revert\n        // the value in the input for the user.\n        promise.fail(function() {\n          nameElement.removeClass('loading');\n        });\n\n        return promise;\n    };\n\n    /**\n     * Send a request to update the state for this tool to be configured (active)\n     * in the Moodle server. A success or failure announcement is triggered depending\n     * on the result.\n     *\n     * @method setStatusActive\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var setStatusActive = function(element) {\n        var id = getTypeId(element);\n\n        // Return if we don't have an id.\n        if (id === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        startLoading(element);\n\n        var promise = toolType.update({\n            id: id,\n            state: toolType.constants.state.configured\n        });\n\n        promise.then(function(toolTypeData) {\n            stopLoading(element);\n            announceSuccess(element);\n            return toolTypeData;\n        }).then(function(toolTypeData) {\n            return templates.render('mod_lti/tool_card', toolTypeData);\n        }).then(function(renderResult) {\n            var html = renderResult[0];\n            var js = renderResult[1];\n\n            templates.replaceNode(element, html, js);\n            return;\n        }).catch(function() {\n            stopLoading(element);\n            announceFailure(element);\n        });\n\n        return promise;\n    };\n\n    /**\n     * Show the capabilities approval screen to show which groups of data this\n     * type requires access to in Moodle (if any).\n     *\n     * @method displayCapabilitiesApproval\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var displayCapabilitiesApproval = function(element) {\n        element.addClass('announcement capabilities');\n    };\n\n    /**\n     * Hide the capabilities approval screen.\n     *\n     * @method hideCapabilitiesApproval\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var hideCapabilitiesApproval = function(element) {\n        element.removeClass('announcement capabilities');\n    };\n\n    /**\n     * The user wishes to activate this tool so show them the capabilities that\n     * they need to agree to or if there are none then set the tool type's state\n     * to active.\n     *\n     * @method activateToolType\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var activateToolType = function(element) {\n        if (hasCapabilitiesContainer(element)) {\n            displayCapabilitiesApproval(element);\n        } else {\n            setStatusActive(element);\n        }\n    };\n\n    /**\n     * Sets up the listeners for user interaction on this tool type card.\n     *\n     * @method registerEventListeners\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var registerEventListeners = function(element) {\n        var deleteButton = getDeleteButton(element);\n        deleteButton.click(function(e) {\n            e.preventDefault();\n            deleteType(element);\n        });\n        deleteButton.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                    e.preventDefault();\n                    deleteButton.click();\n                }\n            }\n        });\n\n        var descriptionElement = getDescriptionElement(element);\n        descriptionElement.focus(function(e) {\n            e.preventDefault();\n            // Save a copy of the current value for the description so that\n            // we can check if the user has changed it before sending a request to\n            // the server.\n            snapshotDescription(element);\n        });\n        descriptionElement.blur(function(e) {\n            e.preventDefault();\n            updateDescription(element);\n        });\n        descriptionElement.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER) {\n                    e.preventDefault();\n                    descriptionElement.blur();\n                }\n            }\n        });\n\n        var nameElement = getNameElement(element);\n        nameElement.focus(function(e) {\n            e.preventDefault();\n            // Save a copy of the current value for the name so that\n            // we can check if the user has changed it before sending a request to\n            // the server.\n            snapshotName(element);\n        });\n        nameElement.blur(function(e) {\n            e.preventDefault();\n            updateName(element);\n        });\n        nameElement.keypress(function(e) {\n            if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                if (e.keyCode == KEYS.ENTER) {\n                    e.preventDefault();\n                    nameElement.blur();\n                }\n            }\n        });\n\n        // Only pending tool type cards have an activate button.\n        if (hasActivateButton(element)) {\n            var activateButton = getActivateButton(element);\n            activateButton.click(function(e) {\n                e.preventDefault();\n                activateToolType(element);\n            });\n            activateButton.keypress(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                        e.preventDefault();\n                        activateButton.click();\n                    }\n                }\n            });\n        }\n\n        if (hasCapabilitiesContainer(element)) {\n            var capabilitiesContainer = getCapabilitiesContainer(element);\n\n            capabilitiesContainer.on(ltiEvents.CAPABILITIES_AGREE, function() {\n                setStatusActive(element);\n            });\n\n            capabilitiesContainer.on(ltiEvents.CAPABILITIES_DECLINE, function() {\n                hideCapabilitiesApproval(element);\n            });\n        }\n    };\n\n    /**\n     * Sets up the templates for the tool configuration modal on this tool type card.\n     *\n     * @method registerModal\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var registerModal = function(element) {\n        var trigger = $('#' + element.data('uniqid') + '-' + element.data('deploymentid'));\n        var context = {\n            'uniqid': element.data('uniqid'),\n            'platformid': element.data('platformid'),\n            'clientid': element.data('clientid'),\n            'deploymentid': element.data('deploymentid'),\n            'urls': {\n                'publickeyset': element.data('publickeyseturl'),\n                'accesstoken': element.data('accesstokenurl'),\n                'authrequest': element.data('authrequesturl')\n            }\n        };\n        var bodyPromise = templates.render('mod_lti/tool_config_modal_body', context);\n        var mailTo = 'mailto:?subject=' + encodeURIComponent(element.data('mailtosubject')) +\n            '&body=' + encodeURIComponent(element.data('platformidstr')) + ':%20' +\n            encodeURIComponent(element.data('platformid')) + '%0D%0A' +\n            encodeURIComponent(element.data('clientidstr')) + ':%20' +\n            encodeURIComponent(element.data('clientid')) + '%0D%0A' +\n            encodeURIComponent(element.data('deploymentidstr')) + ':%20' +\n            encodeURIComponent(element.data('deploymentid')) + '%0D%0A' +\n            encodeURIComponent(element.data('publickeyseturlstr')) + ':%20' +\n            encodeURIComponent(element.data('publickeyseturl')) + '%0D%0A' +\n            encodeURIComponent(element.data('accesstokenurlstr')) + ':%20' +\n            encodeURIComponent(element.data('accesstokenurl')) + '%0D%0A' +\n            encodeURIComponent(element.data('authrequesturlstr')) + ':%20' +\n            encodeURIComponent(element.data('authrequesturl')) + '%0D%0A';\n        context = {\n            'mailto': mailTo\n        };\n        var footerPromise = templates.render('mod_lti/tool_config_modal_footer', context);\n        modalFactory.create({\n          large: true,\n          title: element.data('modaltitle'),\n          body: bodyPromise,\n          footer: footerPromise,\n        }, trigger);\n    };\n\n    return /** @alias module:mod_lti/tool_card_controller */ {\n\n        /**\n         * Initialise this module.\n         *\n         * @param {JQuery} element jQuery object representing the tool card.\n         */\n        init: function(element) {\n            registerEventListeners(element);\n            registerModal(element);\n        }\n    };\n});\n"],"names":["define","$","ajax","notification","templates","modalFactory","toolType","ltiEvents","KEYS","str","SELECTORS","getNameElement","element","find","getDescriptionElement","getActivateButton","getCapabilitiesContainer","hasCapabilitiesContainer","length","getTypeId","attr","clearAllAnnouncements","removeClass","startLoading","addClass","stopLoading","announceSuccess","promise","Deferred","setTimeout","resolve","announceFailure","setValueSnapshot","value","getValueSnapshot","setStatusActive","id","update","state","constants","configured","then","toolTypeData","render","renderResult","html","js","replaceNode","catch","registerEventListeners","deleteButton","getDeleteButton","click","e","preventDefault","typeId","get_strings","key","component","done","strs","confirm","delete","remove","fail","exception","always","error","reject","deleteType","keypress","metaKey","shiftKey","altKey","ctrlKey","keyCode","ENTER","SPACE","descriptionElement","focus","hasClass","description","text","trim","snapshotDescription","blur","type","updateDescription","nameElement","name","snapshotName","updateName","hasActivateButton","activateButton","displayCapabilitiesApproval","activateToolType","capabilitiesContainer","on","CAPABILITIES_AGREE","CAPABILITIES_DECLINE","hideCapabilitiesApproval","init","trigger","data","context","bodyPromise","encodeURIComponent","footerPromise","create","large","title","body","footer","registerModal"],"mappings":";;;;;;;;;;;;;AA4BCA,sCAAO,CAAC,SAAU,YAAa,oBAAqB,iBAAkB,qBAC/D,oBAAqB,iBAAkB,eACvC,aACA,SAASC,EAAGC,KAAMC,aAAcC,UAAWC,aAAcC,SAAUC,UAAWC,KAAMC,SAEpFC,wBACe,UADfA,uBAEc,QAFdA,8BAGqB,eAHrBA,iCAIwB,0BAJxBA,0BAKiB,+BA0BjBC,eAAiB,SAASC,gBACnBA,QAAQC,KAAKH,yBAWpBI,sBAAwB,SAASF,gBAC1BA,QAAQC,KAAKH,gCAWpBK,kBAAoB,SAASH,gBACtBA,QAAQC,KAAKH,4BAwBpBM,yBAA2B,SAASJ,gBAC7BA,QAAQC,KAAKH,mCAYpBO,yBAA2B,SAASL,iBAC7BI,yBAAyBJ,SAASM,QAWzCC,UAAY,SAASP,gBACdA,QAAQQ,KAAK,iBAUpBC,sBAAwB,SAAST,SACjCA,QAAQU,YAAY,mDAUpBC,aAAe,SAASX,SACxBS,sBAAsBT,SACtBA,QAAQY,SAAS,yBAUjBC,YAAc,SAASb,SACvBA,QAAQU,YAAY,yBAYpBI,gBAAkB,SAASd,aACvBe,QAAU1B,EAAE2B,kBAEhBP,sBAAsBT,SACtBA,QAAQY,SAAS,wBACjBK,YAAW,WACPjB,QAAQU,YAAY,wBACpBK,QAAQG,YAtJW,KAyJhBH,SAYPI,gBAAkB,SAASnB,aACvBe,QAAU1B,EAAE2B,kBAEhBP,sBAAsBT,SACtBA,QAAQY,SAAS,qBACjBK,YAAW,WACPjB,QAAQU,YAAY,qBACpBK,QAAQG,YA5KW,KA+KhBH,SAgFPK,iBAAmB,SAASpB,QAASqB,OACrCrB,QAAQQ,KAAK,oBAAqBa,QAWlCC,iBAAmB,SAAStB,gBACrBA,QAAQQ,KAAK,sBA2JpBe,gBAAkB,SAASvB,aACvBwB,GAAKjB,UAAUP,YAGR,KAAPwB,UACOnC,EAAE2B,WAAWE,UAGxBP,aAAaX,aAETe,QAAUrB,SAAS+B,OAAO,CAC1BD,GAAIA,GACJE,MAAOhC,SAASiC,UAAUD,MAAME,oBAGpCb,QAAQc,MAAK,SAASC,qBAClBjB,YAAYb,SACZc,gBAAgBd,SACT8B,gBACRD,MAAK,SAASC,qBACNtC,UAAUuC,OAAO,oBAAqBD,iBAC9CD,MAAK,SAASG,kBACTC,KAAOD,aAAa,GACpBE,GAAKF,aAAa,GAEtBxC,UAAU2C,YAAYnC,QAASiC,KAAMC,OAEtCE,OAAM,WACLvB,YAAYb,SACZmB,gBAAgBnB,YAGbe,SAkDPsB,uBAAyB,SAASrC,aAC9BsC,aAhfc,SAAStC,gBACpBA,QAAQC,KAAKH,yBA+eDyC,CAAgBvC,SACnCsC,aAAaE,OAAM,SAASC,GACxBA,EAAEC,iBAjUO,SAAS1C,aAClBe,QAAU1B,EAAE2B,WACZ2B,OAASpC,UAAUP,SACvBW,aAAaX,SAEE,KAAX2C,OACOtD,EAAE2B,WAAWE,UAGxBrB,IAAI+C,YAAY,CACR,CACIC,IAAK,SACLC,UAAW,WAEf,CACID,IAAK,sBACLC,UAAW,WAEf,CACID,IAAK,SACLC,UAAW,WAEf,CACID,IAAK,SACLC,UAAW,UAGlBC,MAAK,SAASC,MACPzD,aAAa0D,QAAQD,KAAK,GAAIA,KAAK,GAAIA,KAAK,GAAIA,KAAK,IAAI,WACjDtD,SAASwD,OAAOP,QACXI,MAAK,WACElC,YAAYb,SACZc,gBAAgBd,SACX+C,MAAK,WACE/C,QAAQmD,YAEfC,KAAK7D,aAAa8D,WAClBC,QAAO,WAEAvC,QAAQG,gBAG3BkC,MAAK,SAASG,OACPpC,gBAAgBnB,SAChBe,QAAQyC,OAAOD,aAE5B,WACK1C,YAAYb,SACZe,QAAQG,gBAG3BkC,MAAK,SAASG,OACP1C,YAAYb,SACZT,aAAa8D,UAAUE,OACvBxC,QAAQyC,OAAOD,UA4QvBE,CAAWzD,YAEfsC,aAAaoB,UAAS,SAASjB,GACtBA,EAAEkB,SAAYlB,EAAEmB,UAAanB,EAAEoB,QAAWpB,EAAEqB,SACzCrB,EAAEsB,SAAWnE,KAAKoE,OAASvB,EAAEsB,SAAWnE,KAAKqE,QAC7CxB,EAAEC,iBACFJ,aAAaE,gBAKrB0B,mBAAqBhE,sBAAsBF,SAC/CkE,mBAAmBC,OAAM,SAAS1B,GAC9BA,EAAEC,iBApPgB,SAAS1C,aAC3BkE,mBAAqBhE,sBAAsBF,aAE3CkE,mBAAmBE,SAAS,gBAI5BC,YAAcH,mBAAmBI,OAAOC,OAC5CnD,iBAAiB8C,mBAAoBG,cAgPjCG,CAAoBxE,YAExBkE,mBAAmBO,MAAK,SAAShC,GAC7BA,EAAEC,iBAvOc,SAAS1C,aACzB2C,OAASpC,UAAUP,YAIR,KAAX2C,cACOtD,EAAE2B,WAAWE,cAGpBgD,mBAAqBhE,sBAAsBF,YAG3CkE,mBAAmBE,SAAS,kBACrB/E,EAAE2B,WAAWE,cAGpBmD,YAAcH,mBAAmBI,OAAOC,UAC1BjD,iBAAiB4C,qBAIhBG,mBACRhF,EAAE2B,WAAWE,UAGxBgD,mBAAmBtD,SAAS,eAExBG,QAAUrB,SAAS+B,OAAO,CAACD,GAAImB,OAAQ0B,YAAaA,cAExDtD,QAAQgC,MAAK,SAAS2B,MAClBR,mBAAmBxD,YAAY,WAG/BwD,mBAAmBI,KAAKI,KAAKL,gBAC9BjB,KAAK7D,aAAa8D,WAIrBtC,QAAQqC,MAAK,WACXc,mBAAmBxD,YAAY,cAiM7BiE,CAAkB3E,YAEtBkE,mBAAmBR,UAAS,SAASjB,GAC5BA,EAAEkB,SAAYlB,EAAEmB,UAAanB,EAAEoB,QAAWpB,EAAEqB,SACzCrB,EAAEsB,SAAWnE,KAAKoE,QAClBvB,EAAEC,iBACFwB,mBAAmBO,eAK3BG,YAAc7E,eAAeC,YACjC4E,YAAYT,OAAM,SAAS1B,GACvBA,EAAEC,iBAjMS,SAAS1C,aACpB4E,YAAc7E,eAAeC,aAE7B4E,YAAYR,SAAS,gBAIrBS,KAAOD,YAAYN,OAAOC,OAC9BnD,iBAAiBwD,YAAaC,OA6L1BC,CAAa9E,YAEjB4E,YAAYH,MAAK,SAAShC,GACtBA,EAAEC,iBApLO,SAAS1C,aAClB2C,OAASpC,UAAUP,YAGR,KAAX2C,cACOtD,EAAE2B,WAAWE,cAGpB0D,YAAc7E,eAAeC,YAG7B4E,YAAYR,SAAS,kBACd/E,EAAE2B,WAAWE,cAGpB2D,KAAOD,YAAYN,OAAOC,UACZjD,iBAAiBsD,cAIhBC,YACRxF,EAAE2B,WAAWE,UAGxB0D,YAAYhE,SAAS,eACjBG,QAAUrB,SAAS+B,OAAO,CAACD,GAAImB,OAA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\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_configure_controller.min.js b/mod/lti/amd/build/tool_configure_controller.min.js
index 2059434f1cf..c3dd41af26b 100644
--- a/mod/lti/amd/build/tool_configure_controller.min.js
+++ b/mod/lti/amd/build/tool_configure_controller.min.js
@@ -1,2 +1,15 @@
-define ("mod_lti/tool_configure_controller",["jquery","core/ajax","core/notification","core/templates","mod_lti/events","mod_lti/keys","mod_lti/tool_type","mod_lti/tool_proxy","core/str"],function(a,b,c,d,e,f,g,h,i){var j={EXTERNAL_REGISTRATION_CONTAINER:"#external-registration-container",EXTERNAL_REGISTRATION_PAGE_CONTAINER:"#external-registration-page-container",CARTRIDGE_REGISTRATION_CONTAINER:"#cartridge-registration-container",CARTRIDGE_REGISTRATION_FORM:"#cartridge-registration-form",ADD_TOOL_FORM:"#add-tool-form",TOOL_LIST_CONTAINER:"#tool-list-container",TOOL_CREATE_BUTTON:"#tool-create-button",REGISTRATION_CHOICE_CONTAINER:"#registration-choice-container",TOOL_URL:"#tool-url"},k=function(){return a(j.TOOL_CREATE_BUTTON)},l=function(){return a(j.TOOL_LIST_CONTAINER)},m=function(){return a(j.EXTERNAL_REGISTRATION_CONTAINER)},n=function(){return a(j.CARTRIDGE_REGISTRATION_CONTAINER)},o=function(){return a(j.REGISTRATION_CHOICE_CONTAINER)},p=function(){return a(j.TOOL_URL).val()},q=function(){m().addClass("hidden")},r=function(){n().addClass("hidden")},s=function(){o().addClass("hidden")},t=function(){r();s();m().removeClass("hidden");w(m())},u=function(a){q();s();var b=n();b.find("input").val("");b.removeClass("hidden");b.find(j.CARTRIDGE_REGISTRATION_FORM).attr("data-cartridge-url",a);w(b)},v=function(){q();r();o().removeClass("hidden");w(o())},w=function(a){var b=a.children().detach();b.appendTo(a)},x=function(){l().addClass("hidden")},y=function(){l().removeClass("hidden")},z=function(a){var b=a.error?"error":"success";c.addNotification({message:a.message,type:b})},A=function(a){a.addClass("loading")},B=function(a){a.removeClass("loading")},C=function(){var b=a.Deferred(),e=l();A(e);a.when(g.query(),h.query({orphanedonly:!0})).done(function(a,c){d.render("mod_lti/tool_list",{tools:a,proxies:c}).done(function(a,c){e.empty();e.append(a);d.runTemplateJS(c);b.resolve()}).fail(b.reject)}).fail(b.reject);b.fail(c.exception).always(function(){B(e)})},D=function(){var b=p().trim();if(""===b){return a.Deferred().resolve()}var d=k();A(d);var f=g.isCartridge(b);f.always(function(){B(d)});f.done(function(c){if(c.iscartridge){a(j.TOOL_URL).val("");a(document).trigger(e.START_CARTRIDGE_REGISTRATION,b)}else{a(document).trigger(e.START_EXTERNAL_REGISTRATION,{url:b})}});f.fail(function(){i.get_string("errorbadurl","mod_lti").done(function(b){a(document).trigger(e.REGISTRATION_FEEDBACK,{message:b,error:!0})}).fail(c.exception)});return f},E=function(){a(document).on(e.NEW_TOOL_TYPE,function(){C()});a(document).on(e.START_EXTERNAL_REGISTRATION,function(){t();a(j.TOOL_URL).val("");x()});a(document).on(e.STOP_EXTERNAL_REGISTRATION,function(){y();v()});a(document).on(e.START_CARTRIDGE_REGISTRATION,function(a,b){u(b)});a(document).on(e.STOP_CARTRIDGE_REGISTRATION,function(){n().find(j.CARTRIDGE_REGISTRATION_FORM).removeAttr("data-cartridge-url");v()});a(document).on(e.REGISTRATION_FEEDBACK,function(a,b){z(b)});var b=a(j.ADD_TOOL_FORM);b.submit(function(a){a.preventDefault();D()})};return{init:function init(){E();C()}}});
-//# sourceMappingURL=tool_configure_controller.min.js.map
+/**
+ * Standard Ajax wrapper for Moodle. It calls the central Ajax script,
+ * which can call any existing webservice using the current session.
+ * In addition, it can batch multiple requests and return multiple responses.
+ *
+ * @module     mod_lti/tool_configure_controller
+ * @class      tool_configure_controller
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/tool_configure_controller",["jquery","core/ajax","core/notification","core/templates","mod_lti/events","mod_lti/keys","mod_lti/tool_type","mod_lti/tool_proxy","core/str"],(function($,ajax,notification,templates,ltiEvents,KEYS,toolType,toolProxy,str){var SELECTORS_EXTERNAL_REGISTRATION_CONTAINER="#external-registration-container",SELECTORS_CARTRIDGE_REGISTRATION_CONTAINER="#cartridge-registration-container",SELECTORS_CARTRIDGE_REGISTRATION_FORM="#cartridge-registration-form",SELECTORS_ADD_TOOL_FORM="#add-tool-form",SELECTORS_TOOL_LIST_CONTAINER="#tool-list-container",SELECTORS_TOOL_CREATE_BUTTON="#tool-create-button",SELECTORS_REGISTRATION_CHOICE_CONTAINER="#registration-choice-container",SELECTORS_TOOL_URL="#tool-url",getToolListContainer=function(){return $(SELECTORS_TOOL_LIST_CONTAINER)},getExternalRegistrationContainer=function(){return $(SELECTORS_EXTERNAL_REGISTRATION_CONTAINER)},getCartridgeRegistrationContainer=function(){return $(SELECTORS_CARTRIDGE_REGISTRATION_CONTAINER)},getRegistrationChoiceContainer=function(){return $(SELECTORS_REGISTRATION_CHOICE_CONTAINER)},hideExternalRegistration=function(){getExternalRegistrationContainer().addClass("hidden")},hideCartridgeRegistration=function(){getCartridgeRegistrationContainer().addClass("hidden")},hideRegistrationChoices=function(){getRegistrationChoiceContainer().addClass("hidden")},showRegistrationChoices=function(){hideExternalRegistration(),hideCartridgeRegistration(),getRegistrationChoiceContainer().removeClass("hidden"),screenReaderAnnounce(getRegistrationChoiceContainer())},screenReaderAnnounce=function(element){element.children().detach().appendTo(element)},startLoading=function(element){element.addClass("loading")},stopLoading=function(element){element.removeClass("loading")},reloadToolList=function(){var promise=$.Deferred(),container=getToolListContainer();startLoading(container),$.when(toolType.query(),toolProxy.query({orphanedonly:!0})).done((function(types,proxies){templates.render("mod_lti/tool_list",{tools:types,proxies:proxies}).done((function(html,js){container.empty(),container.append(html),templates.runTemplateJS(js),promise.resolve()})).fail(promise.reject)})).fail(promise.reject),promise.fail(notification.exception).always((function(){stopLoading(container)}))},addTool=function(){var url=$(SELECTORS_TOOL_URL).val().trim();if(""===url)return $.Deferred().resolve();var toolButton=$(SELECTORS_TOOL_CREATE_BUTTON);startLoading(toolButton);var promise=toolType.isCartridge(url);return promise.always((function(){stopLoading(toolButton)})),promise.done((function(result){result.iscartridge?($(SELECTORS_TOOL_URL).val(""),$(document).trigger(ltiEvents.START_CARTRIDGE_REGISTRATION,url)):$(document).trigger(ltiEvents.START_EXTERNAL_REGISTRATION,{url:url})})),promise.fail((function(){str.get_string("errorbadurl","mod_lti").done((function(s){$(document).trigger(ltiEvents.REGISTRATION_FEEDBACK,{message:s,error:!0})})).fail(notification.exception)})),promise},registerEventListeners=function(){$(document).on(ltiEvents.NEW_TOOL_TYPE,(function(){reloadToolList()})),$(document).on(ltiEvents.START_EXTERNAL_REGISTRATION,(function(){hideCartridgeRegistration(),hideRegistrationChoices(),getExternalRegistrationContainer().removeClass("hidden"),screenReaderAnnounce(getExternalRegistrationContainer()),$(SELECTORS_TOOL_URL).val(""),getToolListContainer().addClass("hidden")})),$(document).on(ltiEvents.STOP_EXTERNAL_REGISTRATION,(function(){getToolListContainer().removeClass("hidden"),showRegistrationChoices()})),$(document).on(ltiEvents.START_CARTRIDGE_REGISTRATION,(function(event,url){!function(url){hideExternalRegistration(),hideRegistrationChoices();var container=getCartridgeRegistrationContainer();container.find("input").val(""),container.removeClass("hidden"),container.find(SELECTORS_CARTRIDGE_REGISTRATION_FORM).attr("data-cartridge-url",url),screenReaderAnnounce(container)}(url)})),$(document).on(ltiEvents.STOP_CARTRIDGE_REGISTRATION,(function(){getCartridgeRegistrationContainer().find(SELECTORS_CARTRIDGE_REGISTRATION_FORM).removeAttr("data-cartridge-url"),showRegistrationChoices()})),$(document).on(ltiEvents.REGISTRATION_FEEDBACK,(function(event,data){!function(data){var type=data.error?"error":"success";notification.addNotification({message:data.message,type:type})}(data)})),$(SELECTORS_ADD_TOOL_FORM).submit((function(e){e.preventDefault(),addTool()}))};return{init:function(){registerEventListeners(),reloadToolList()}}}));
+
+//# sourceMappingURL=tool_configure_controller.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_configure_controller.min.js.map b/mod/lti/amd/build/tool_configure_controller.min.js.map
index 0921d1e2e52..d4279f50e01 100644
--- a/mod/lti/amd/build/tool_configure_controller.min.js.map
+++ b/mod/lti/amd/build/tool_configure_controller.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Standard Ajax wrapper for Moodle. It calls the central Ajax script,\n * which can call any existing webservice using the current session.\n * In addition, it can batch multiple requests and return multiple responses.\n *\n * @module     mod_lti/tool_configure_controller\n * @class      tool_configure_controller\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'mod_lti/events', 'mod_lti/keys', 'mod_lti/tool_type',\n        'mod_lti/tool_proxy', 'core/str'],\n        function($, ajax, notification, templates, ltiEvents, KEYS, toolType, toolProxy, str) {\n\n    var SELECTORS = {\n        EXTERNAL_REGISTRATION_CONTAINER: '#external-registration-container',\n        EXTERNAL_REGISTRATION_PAGE_CONTAINER: '#external-registration-page-container',\n        CARTRIDGE_REGISTRATION_CONTAINER: '#cartridge-registration-container',\n        CARTRIDGE_REGISTRATION_FORM: '#cartridge-registration-form',\n        ADD_TOOL_FORM: '#add-tool-form',\n        TOOL_LIST_CONTAINER: '#tool-list-container',\n        TOOL_CREATE_BUTTON: '#tool-create-button',\n        REGISTRATION_CHOICE_CONTAINER: '#registration-choice-container',\n        TOOL_URL: '#tool-url'\n    };\n\n    /**\n     * Get the tool create button element.\n     *\n     * @method getToolCreateButton\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getToolCreateButton = function() {\n        return $(SELECTORS.TOOL_CREATE_BUTTON);\n    };\n\n    /**\n     * Get the tool list container element.\n     *\n     * @method getToolListContainer\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getToolListContainer = function() {\n        return $(SELECTORS.TOOL_LIST_CONTAINER);\n    };\n\n    /**\n     * Get the external registration container element.\n     *\n     * @method getExternalRegistrationContainer\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getExternalRegistrationContainer = function() {\n        return $(SELECTORS.EXTERNAL_REGISTRATION_CONTAINER);\n    };\n\n    /**\n     * Get the cartridge registration container element.\n     *\n     * @method getCartridgeRegistrationContainer\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getCartridgeRegistrationContainer = function() {\n        return $(SELECTORS.CARTRIDGE_REGISTRATION_CONTAINER);\n    };\n\n    /**\n     * Get the registration choice container element.\n     *\n     * @method getRegistrationChoiceContainer\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getRegistrationChoiceContainer = function() {\n        return $(SELECTORS.REGISTRATION_CHOICE_CONTAINER);\n    };\n\n    /**\n     * Get the tool type URL.\n     *\n     * @method getToolURL\n     * @private\n     * @return {String} the tool type url\n     */\n    var getToolURL = function() {\n        return $(SELECTORS.TOOL_URL).val();\n    };\n\n    /**\n     * Hide the external registration container.\n     *\n     * @method hideExternalRegistration\n     * @private\n     */\n    var hideExternalRegistration = function() {\n        getExternalRegistrationContainer().addClass('hidden');\n    };\n\n    /**\n     * Hide the cartridge registration container.\n     *\n     * @method hideCartridgeRegistration\n     * @private\n     */\n    var hideCartridgeRegistration = function() {\n        getCartridgeRegistrationContainer().addClass('hidden');\n    };\n\n    /**\n     * Hide the registration choice container.\n     *\n     * @method hideRegistrationChoices\n     * @private\n     */\n    var hideRegistrationChoices = function() {\n        getRegistrationChoiceContainer().addClass('hidden');\n    };\n\n    /**\n     * Display the external registration panel and hides the other\n     * panels.\n     *\n     * @method showExternalRegistration\n     * @private\n     */\n    var showExternalRegistration = function() {\n        hideCartridgeRegistration();\n        hideRegistrationChoices();\n        getExternalRegistrationContainer().removeClass('hidden');\n        screenReaderAnnounce(getExternalRegistrationContainer());\n    };\n\n    /**\n     * Display the cartridge registration panel and hides the other\n     * panels.\n     *\n     * @method showCartridgeRegistration\n     * @param {String} url\n     * @private\n     */\n    var showCartridgeRegistration = function(url) {\n        hideExternalRegistration();\n        hideRegistrationChoices();\n        // Don't save the key and secret from the last tool.\n        var container = getCartridgeRegistrationContainer();\n        container.find('input').val('');\n        container.removeClass('hidden');\n        container.find(SELECTORS.CARTRIDGE_REGISTRATION_FORM).attr('data-cartridge-url', url);\n        screenReaderAnnounce(container);\n    };\n\n    /**\n     * Display the registration choices panel and hides the other\n     * panels.\n     *\n     * @method showRegistrationChoices\n     * @private\n     */\n    var showRegistrationChoices = function() {\n        hideExternalRegistration();\n        hideCartridgeRegistration();\n        getRegistrationChoiceContainer().removeClass('hidden');\n        screenReaderAnnounce(getRegistrationChoiceContainer());\n    };\n\n    /**\n     * JAWS does not notice visibility changes with aria-live.\n     * Remove and add the content back to force it to read it out.\n     * This function can be removed once JAWS supports visibility.\n     *\n     * @method screenReaderAnnounce\n     * @param {Object} element\n     * @private\n     */\n    var screenReaderAnnounce = function(element) {\n        var children = element.children().detach();\n        children.appendTo(element);\n    };\n\n    /**\n     * Hides the list of tool types.\n     *\n     * @method hideToolList\n     * @private\n     */\n    var hideToolList = function() {\n        getToolListContainer().addClass('hidden');\n    };\n\n    /**\n     * Display the list of tool types.\n     *\n     * @method hideToolList\n     * @private\n     */\n    var showToolList = function() {\n        getToolListContainer().removeClass('hidden');\n    };\n\n    /**\n     * Display the registration feedback alert and hide the other panels.\n     *\n     * @method showRegistrationFeedback\n     * @param {Object} data\n     * @private\n     */\n    var showRegistrationFeedback = function(data) {\n        var type = data.error ? 'error' : 'success';\n        notification.addNotification({\n            message: data.message,\n            type: type\n        });\n    };\n\n    /**\n     * Show the loading animation\n     *\n     * @method startLoading\n     * @private\n     * @param {Object} element jQuery object\n     */\n    var startLoading = function(element) {\n        element.addClass(\"loading\");\n    };\n\n    /**\n     * Hide the loading animation\n     *\n     * @method stopLoading\n     * @private\n     * @param {Object} element jQuery object\n     */\n    var stopLoading = function(element) {\n        element.removeClass(\"loading\");\n    };\n\n    /**\n     * Refresh the list of tool types and render the new ones.\n     *\n     * @method reloadToolList\n     * @private\n     */\n    var reloadToolList = function() {\n        var promise = $.Deferred();\n        var container = getToolListContainer();\n        startLoading(container);\n\n        $.when(\n                toolType.query(),\n                toolProxy.query({'orphanedonly': true})\n            )\n            .done(function(types, proxies) {\n                    templates.render('mod_lti/tool_list', {tools: types, proxies: proxies})\n                        .done(function(html, js) {\n                                container.empty();\n                                container.append(html);\n                                templates.runTemplateJS(js);\n                                promise.resolve();\n                            }).fail(promise.reject);\n                })\n            .fail(promise.reject);\n\n        promise.fail(notification.exception)\n            .always(function() {\n                    stopLoading(container);\n                });\n    };\n\n    /**\n     * Trigger appropriate registration process process for the user input\n     * URL. It can either be a cartridge or a registration url.\n     *\n     * @method addTool\n     * @private\n     * @return {Promise} jQuery Deferred object\n     */\n    var addTool = function() {\n        var url = getToolURL().trim();\n\n        if (url === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        var toolButton = getToolCreateButton();\n        startLoading(toolButton);\n\n        var promise = toolType.isCartridge(url);\n\n        promise.always(function() {\n          stopLoading(toolButton);\n        });\n\n        promise.done(function(result) {\n            if (result.iscartridge) {\n                $(SELECTORS.TOOL_URL).val('');\n                $(document).trigger(ltiEvents.START_CARTRIDGE_REGISTRATION, url);\n            } else {\n                $(document).trigger(ltiEvents.START_EXTERNAL_REGISTRATION, {url: url});\n            }\n        });\n\n        promise.fail(function() {\n            str.get_string('errorbadurl', 'mod_lti')\n                .done(function(s) {\n                        $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, {\n                                message: s,\n                                error: true\n                            });\n                    })\n                .fail(notification.exception);\n        });\n\n        return promise;\n    };\n\n    /**\n     * Sets up the listeners for user interaction on the page.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    var registerEventListeners = function() {\n\n        // These are events fired by the registration processes. Either\n        // the cartridge registration or the external registration url.\n        $(document).on(ltiEvents.NEW_TOOL_TYPE, function() {\n            reloadToolList();\n        });\n\n        $(document).on(ltiEvents.START_EXTERNAL_REGISTRATION, function() {\n            showExternalRegistration();\n            $(SELECTORS.TOOL_URL).val('');\n            hideToolList();\n        });\n\n        $(document).on(ltiEvents.STOP_EXTERNAL_REGISTRATION, function() {\n            showToolList();\n            showRegistrationChoices();\n        });\n\n        $(document).on(ltiEvents.START_CARTRIDGE_REGISTRATION, function(event, url) {\n            showCartridgeRegistration(url);\n        });\n\n        $(document).on(ltiEvents.STOP_CARTRIDGE_REGISTRATION, function() {\n            getCartridgeRegistrationContainer().find(SELECTORS.CARTRIDGE_REGISTRATION_FORM).removeAttr('data-cartridge-url');\n            showRegistrationChoices();\n        });\n\n        $(document).on(ltiEvents.REGISTRATION_FEEDBACK, function(event, data) {\n            showRegistrationFeedback(data);\n        });\n\n        var form = $(SELECTORS.ADD_TOOL_FORM);\n        form.submit(function(e) {\n            e.preventDefault();\n            addTool();\n        });\n\n    };\n\n    return /** @alias module:mod_lti/cartridge_registration_form */ {\n\n        /**\n         * Initialise this module.\n         */\n        init: function() {\n            registerEventListeners();\n            reloadToolList();\n        }\n    };\n});\n"],"file":"tool_configure_controller.min.js"}
\ No newline at end of file
+{"version":3,"file":"tool_configure_controller.min.js","sources":["../src/tool_configure_controller.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Standard Ajax wrapper for Moodle. It calls the central Ajax script,\n * which can call any existing webservice using the current session.\n * In addition, it can batch multiple requests and return multiple responses.\n *\n * @module     mod_lti/tool_configure_controller\n * @class      tool_configure_controller\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'mod_lti/events', 'mod_lti/keys', 'mod_lti/tool_type',\n        'mod_lti/tool_proxy', 'core/str'],\n        function($, ajax, notification, templates, ltiEvents, KEYS, toolType, toolProxy, str) {\n\n    var SELECTORS = {\n        EXTERNAL_REGISTRATION_CONTAINER: '#external-registration-container',\n        EXTERNAL_REGISTRATION_PAGE_CONTAINER: '#external-registration-page-container',\n        CARTRIDGE_REGISTRATION_CONTAINER: '#cartridge-registration-container',\n        CARTRIDGE_REGISTRATION_FORM: '#cartridge-registration-form',\n        ADD_TOOL_FORM: '#add-tool-form',\n        TOOL_LIST_CONTAINER: '#tool-list-container',\n        TOOL_CREATE_BUTTON: '#tool-create-button',\n        REGISTRATION_CHOICE_CONTAINER: '#registration-choice-container',\n        TOOL_URL: '#tool-url'\n    };\n\n    /**\n     * Get the tool create button element.\n     *\n     * @method getToolCreateButton\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getToolCreateButton = function() {\n        return $(SELECTORS.TOOL_CREATE_BUTTON);\n    };\n\n    /**\n     * Get the tool list container element.\n     *\n     * @method getToolListContainer\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getToolListContainer = function() {\n        return $(SELECTORS.TOOL_LIST_CONTAINER);\n    };\n\n    /**\n     * Get the external registration container element.\n     *\n     * @method getExternalRegistrationContainer\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getExternalRegistrationContainer = function() {\n        return $(SELECTORS.EXTERNAL_REGISTRATION_CONTAINER);\n    };\n\n    /**\n     * Get the cartridge registration container element.\n     *\n     * @method getCartridgeRegistrationContainer\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getCartridgeRegistrationContainer = function() {\n        return $(SELECTORS.CARTRIDGE_REGISTRATION_CONTAINER);\n    };\n\n    /**\n     * Get the registration choice container element.\n     *\n     * @method getRegistrationChoiceContainer\n     * @private\n     * @return {Object} jQuery object\n     */\n    var getRegistrationChoiceContainer = function() {\n        return $(SELECTORS.REGISTRATION_CHOICE_CONTAINER);\n    };\n\n    /**\n     * Get the tool type URL.\n     *\n     * @method getToolURL\n     * @private\n     * @return {String} the tool type url\n     */\n    var getToolURL = function() {\n        return $(SELECTORS.TOOL_URL).val();\n    };\n\n    /**\n     * Hide the external registration container.\n     *\n     * @method hideExternalRegistration\n     * @private\n     */\n    var hideExternalRegistration = function() {\n        getExternalRegistrationContainer().addClass('hidden');\n    };\n\n    /**\n     * Hide the cartridge registration container.\n     *\n     * @method hideCartridgeRegistration\n     * @private\n     */\n    var hideCartridgeRegistration = function() {\n        getCartridgeRegistrationContainer().addClass('hidden');\n    };\n\n    /**\n     * Hide the registration choice container.\n     *\n     * @method hideRegistrationChoices\n     * @private\n     */\n    var hideRegistrationChoices = function() {\n        getRegistrationChoiceContainer().addClass('hidden');\n    };\n\n    /**\n     * Display the external registration panel and hides the other\n     * panels.\n     *\n     * @method showExternalRegistration\n     * @private\n     */\n    var showExternalRegistration = function() {\n        hideCartridgeRegistration();\n        hideRegistrationChoices();\n        getExternalRegistrationContainer().removeClass('hidden');\n        screenReaderAnnounce(getExternalRegistrationContainer());\n    };\n\n    /**\n     * Display the cartridge registration panel and hides the other\n     * panels.\n     *\n     * @method showCartridgeRegistration\n     * @param {String} url\n     * @private\n     */\n    var showCartridgeRegistration = function(url) {\n        hideExternalRegistration();\n        hideRegistrationChoices();\n        // Don't save the key and secret from the last tool.\n        var container = getCartridgeRegistrationContainer();\n        container.find('input').val('');\n        container.removeClass('hidden');\n        container.find(SELECTORS.CARTRIDGE_REGISTRATION_FORM).attr('data-cartridge-url', url);\n        screenReaderAnnounce(container);\n    };\n\n    /**\n     * Display the registration choices panel and hides the other\n     * panels.\n     *\n     * @method showRegistrationChoices\n     * @private\n     */\n    var showRegistrationChoices = function() {\n        hideExternalRegistration();\n        hideCartridgeRegistration();\n        getRegistrationChoiceContainer().removeClass('hidden');\n        screenReaderAnnounce(getRegistrationChoiceContainer());\n    };\n\n    /**\n     * JAWS does not notice visibility changes with aria-live.\n     * Remove and add the content back to force it to read it out.\n     * This function can be removed once JAWS supports visibility.\n     *\n     * @method screenReaderAnnounce\n     * @param {Object} element\n     * @private\n     */\n    var screenReaderAnnounce = function(element) {\n        var children = element.children().detach();\n        children.appendTo(element);\n    };\n\n    /**\n     * Hides the list of tool types.\n     *\n     * @method hideToolList\n     * @private\n     */\n    var hideToolList = function() {\n        getToolListContainer().addClass('hidden');\n    };\n\n    /**\n     * Display the list of tool types.\n     *\n     * @method hideToolList\n     * @private\n     */\n    var showToolList = function() {\n        getToolListContainer().removeClass('hidden');\n    };\n\n    /**\n     * Display the registration feedback alert and hide the other panels.\n     *\n     * @method showRegistrationFeedback\n     * @param {Object} data\n     * @private\n     */\n    var showRegistrationFeedback = function(data) {\n        var type = data.error ? 'error' : 'success';\n        notification.addNotification({\n            message: data.message,\n            type: type\n        });\n    };\n\n    /**\n     * Show the loading animation\n     *\n     * @method startLoading\n     * @private\n     * @param {Object} element jQuery object\n     */\n    var startLoading = function(element) {\n        element.addClass(\"loading\");\n    };\n\n    /**\n     * Hide the loading animation\n     *\n     * @method stopLoading\n     * @private\n     * @param {Object} element jQuery object\n     */\n    var stopLoading = function(element) {\n        element.removeClass(\"loading\");\n    };\n\n    /**\n     * Refresh the list of tool types and render the new ones.\n     *\n     * @method reloadToolList\n     * @private\n     */\n    var reloadToolList = function() {\n        var promise = $.Deferred();\n        var container = getToolListContainer();\n        startLoading(container);\n\n        $.when(\n                toolType.query(),\n                toolProxy.query({'orphanedonly': true})\n            )\n            .done(function(types, proxies) {\n                    templates.render('mod_lti/tool_list', {tools: types, proxies: proxies})\n                        .done(function(html, js) {\n                                container.empty();\n                                container.append(html);\n                                templates.runTemplateJS(js);\n                                promise.resolve();\n                            }).fail(promise.reject);\n                })\n            .fail(promise.reject);\n\n        promise.fail(notification.exception)\n            .always(function() {\n                    stopLoading(container);\n                });\n    };\n\n    /**\n     * Trigger appropriate registration process process for the user input\n     * URL. It can either be a cartridge or a registration url.\n     *\n     * @method addTool\n     * @private\n     * @return {Promise} jQuery Deferred object\n     */\n    var addTool = function() {\n        var url = getToolURL().trim();\n\n        if (url === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        var toolButton = getToolCreateButton();\n        startLoading(toolButton);\n\n        var promise = toolType.isCartridge(url);\n\n        promise.always(function() {\n          stopLoading(toolButton);\n        });\n\n        promise.done(function(result) {\n            if (result.iscartridge) {\n                $(SELECTORS.TOOL_URL).val('');\n                $(document).trigger(ltiEvents.START_CARTRIDGE_REGISTRATION, url);\n            } else {\n                $(document).trigger(ltiEvents.START_EXTERNAL_REGISTRATION, {url: url});\n            }\n        });\n\n        promise.fail(function() {\n            str.get_string('errorbadurl', 'mod_lti')\n                .done(function(s) {\n                        $(document).trigger(ltiEvents.REGISTRATION_FEEDBACK, {\n                                message: s,\n                                error: true\n                            });\n                    })\n                .fail(notification.exception);\n        });\n\n        return promise;\n    };\n\n    /**\n     * Sets up the listeners for user interaction on the page.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    var registerEventListeners = function() {\n\n        // These are events fired by the registration processes. Either\n        // the cartridge registration or the external registration url.\n        $(document).on(ltiEvents.NEW_TOOL_TYPE, function() {\n            reloadToolList();\n        });\n\n        $(document).on(ltiEvents.START_EXTERNAL_REGISTRATION, function() {\n            showExternalRegistration();\n            $(SELECTORS.TOOL_URL).val('');\n            hideToolList();\n        });\n\n        $(document).on(ltiEvents.STOP_EXTERNAL_REGISTRATION, function() {\n            showToolList();\n            showRegistrationChoices();\n        });\n\n        $(document).on(ltiEvents.START_CARTRIDGE_REGISTRATION, function(event, url) {\n            showCartridgeRegistration(url);\n        });\n\n        $(document).on(ltiEvents.STOP_CARTRIDGE_REGISTRATION, function() {\n            getCartridgeRegistrationContainer().find(SELECTORS.CARTRIDGE_REGISTRATION_FORM).removeAttr('data-cartridge-url');\n            showRegistrationChoices();\n        });\n\n        $(document).on(ltiEvents.REGISTRATION_FEEDBACK, function(event, data) {\n            showRegistrationFeedback(data);\n        });\n\n        var form = $(SELECTORS.ADD_TOOL_FORM);\n        form.submit(function(e) {\n            e.preventDefault();\n            addTool();\n        });\n\n    };\n\n    return /** @alias module:mod_lti/cartridge_registration_form */ {\n\n        /**\n         * Initialise this module.\n         */\n        init: function() {\n            registerEventListeners();\n            reloadToolList();\n        }\n    };\n});\n"],"names":["define","$","ajax","notification","templates","ltiEvents","KEYS","toolType","toolProxy","str","SELECTORS","getToolListContainer","getExternalRegistrationContainer","getCartridgeRegistrationContainer","getRegistrationChoiceContainer","hideExternalRegistration","addClass","hideCartridgeRegistration","hideRegistrationChoices","showRegistrationChoices","removeClass","screenReaderAnnounce","element","children","detach","appendTo","startLoading","stopLoading","reloadToolList","promise","Deferred","container","when","query","done","types","proxies","render","tools","html","js","empty","append","runTemplateJS","resolve","fail","reject","exception","always","addTool","url","val","trim","toolButton","isCartridge","result","iscartridge","document","trigger","START_CARTRIDGE_REGISTRATION","START_EXTERNAL_REGISTRATION","get_string","s","REGISTRATION_FEEDBACK","message","error","registerEventListeners","on","NEW_TOOL_TYPE","STOP_EXTERNAL_REGISTRATION","event","find","attr","showCartridgeRegistration","STOP_CARTRIDGE_REGISTRATION","removeAttr","data","type","addNotification","showRegistrationFeedback","submit","e","preventDefault","init"],"mappings":";;;;;;;;;;;;AA2BAA,2CAAO,CAAC,SAAU,YAAa,oBAAqB,iBAAkB,iBAAkB,eAAgB,oBAChG,qBAAsB,aACtB,SAASC,EAAGC,KAAMC,aAAcC,UAAWC,UAAWC,KAAMC,SAAUC,UAAWC,SAEjFC,0CACiC,mCADjCA,2CAGkC,oCAHlCA,sCAI6B,+BAJ7BA,wBAKe,iBALfA,8BAMqB,uBANrBA,6BAOoB,sBAPpBA,wCAQ+B,iCAR/BA,mBASU,YAqBVC,qBAAuB,kBAChBV,EAAES,gCAUTE,iCAAmC,kBAC5BX,EAAES,4CAUTG,kCAAoC,kBAC7BZ,EAAES,6CAUTI,+BAAiC,kBAC1Bb,EAAES,0CAoBTK,yBAA2B,WAC3BH,mCAAmCI,SAAS,WAS5CC,0BAA4B,WAC5BJ,oCAAoCG,SAAS,WAS7CE,wBAA0B,WAC1BJ,iCAAiCE,SAAS,WA2C1CG,wBAA0B,WAC1BJ,2BACAE,4BACAH,iCAAiCM,YAAY,UAC7CC,qBAAqBP,mCAYrBO,qBAAuB,SAASC,SACjBA,QAAQC,WAAWC,SACzBC,SAASH,UA6ClBI,aAAe,SAASJ,SACxBA,QAAQN,SAAS,YAUjBW,YAAc,SAASL,SACvBA,QAAQF,YAAY,YASpBQ,eAAiB,eACbC,QAAU5B,EAAE6B,WACZC,UAAYpB,uBAChBe,aAAaK,WAEb9B,EAAE+B,KACMzB,SAAS0B,QACTzB,UAAUyB,MAAM,eAAiB,KAEpCC,MAAK,SAASC,MAAOC,SACdhC,UAAUiC,OAAO,oBAAqB,CAACC,MAAOH,MAAOC,QAASA,UACzDF,MAAK,SAASK,KAAMC,IACbT,UAAUU,QACVV,UAAUW,OAAOH,MACjBnC,UAAUuC,cAAcH,IACxBX,QAAQe,aACTC,KAAKhB,QAAQiB,WAE/BD,KAAKhB,QAAQiB,QAElBjB,QAAQgB,KAAK1C,aAAa4C,WACrBC,QAAO,WACArB,YAAYI,eAYxBkB,QAAU,eACNC,IAhMGjD,EAAES,oBAAoByC,MAgMNC,UAEX,KAARF,WACOjD,EAAE6B,WAAWc,cAGpBS,WA7PGpD,EAAES,8BA8PTgB,aAAa2B,gBAETxB,QAAUtB,SAAS+C,YAAYJ,YAEnCrB,QAAQmB,QAAO,WACbrB,YAAY0B,eAGdxB,QAAQK,MAAK,SAASqB,QACdA,OAAOC,aACPvD,EAAES,oBAAoByC,IAAI,IAC1BlD,EAAEwD,UAAUC,QAAQrD,UAAUsD,6BAA8BT,MAE5DjD,EAAEwD,UAAUC,QAAQrD,UAAUuD,4BAA6B,CAACV,IAAKA,SAIzErB,QAAQgB,MAAK,WACTpC,IAAIoD,WAAW,cAAe,WACzB3B,MAAK,SAAS4B,GACP7D,EAAEwD,UAAUC,QAAQrD,UAAU0D,sBAAuB,CAC7CC,QAASF,EACTG,OAAO,OAGtBpB,KAAK1C,aAAa4C,cAGpBlB,SASPqC,uBAAyB,WAIzBjE,EAAEwD,UAAUU,GAAG9D,UAAU+D,eAAe,WACpCxC,oBAGJ3B,EAAEwD,UAAUU,GAAG9D,UAAUuD,6BAA6B,WA3MtD3C,4BACAC,0BACAN,mCAAmCQ,YAAY,UAC/CC,qBAAqBT,oCA0MjBX,EAAES,oBAAoByC,IAAI,IAjJ9BxC,uBAAuBK,SAAS,aAqJhCf,EAAEwD,UAAUU,GAAG9D,UAAUgE,4BAA4B,WA3IrD1D,uBAAuBS,YAAY,UA6I/BD,6BAGJlB,EAAEwD,UAAUU,GAAG9D,UAAUsD,8BAA8B,SAASW,MAAOpB,MAxM3C,SAASA,KACrCnC,2BACAG,8BAEIa,UAAYlB,oCAChBkB,UAAUwC,KAAK,SAASpB,IAAI,IAC5BpB,UAAUX,YAAY,UACtBW,UAAUwC,KAAK7D,uCAAuC8D,KAAK,qBAAsBtB,KACjF7B,qBAAqBU,WAiMjB0C,CAA0BvB,QAG9BjD,EAAEwD,UAAUU,GAAG9D,UAAUqE,6BAA6B,WAClD7D,oCAAoC0D,KAAK7D,uCAAuCiE,WAAW,sBAC3FxD,6BAGJlB,EAAEwD,UAAUU,GAAG9D,UAAU0D,uBAAuB,SAASO,MAAOM,OA/IrC,SAASA,UAChCC,KAAOD,KAAKX,MAAQ,QAAU,UAClC9D,aAAa2E,gBAAgB,CACzBd,QAASY,KAAKZ,QACda,KAAMA,OA4INE,CAAyBH,SAGlB3E,EAAES,yBACRsE,QAAO,SAASC,GACjBA,EAAEC,iBACFjC,oBAKwD,CAK5DkC,KAAM,WACFjB,yBACAtC"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_proxy.min.js b/mod/lti/amd/build/tool_proxy.min.js
index 2384416a212..b5589f46cda 100644
--- a/mod/lti/amd/build/tool_proxy.min.js
+++ b/mod/lti/amd/build/tool_proxy.min.js
@@ -1,2 +1,13 @@
-define ("mod_lti/tool_proxy",["core/ajax","core/notification"],function(a,b){return{query:function query(c){var d=a.call([{methodname:"mod_lti_get_tool_proxies",args:c||{}}])[0];d.fail(b.exception);return d},delete:function _delete(c){var d=a.call([{methodname:"mod_lti_delete_tool_proxy",args:{id:c}}])[0];d.fail(b.exception);return d},create:function create(b){var c=a.call([{methodname:"mod_lti_create_tool_proxy",args:b}])[0];return c}}});
-//# sourceMappingURL=tool_proxy.min.js.map
+/**
+ * Provides an interface for a tool proxy in the Moodle server.
+ *
+ * @module     mod_lti/tool_proxy
+ * @class      tool_proxy
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/tool_proxy",["core/ajax","core/notification"],(function(ajax,notification){return{query:function(args){var request={methodname:"mod_lti_get_tool_proxies",args:args||{}},promise=ajax.call([request])[0];return promise.fail(notification.exception),promise},delete:function(id){var request={methodname:"mod_lti_delete_tool_proxy",args:{id:id}},promise=ajax.call([request])[0];return promise.fail(notification.exception),promise},create:function(args){var request={methodname:"mod_lti_create_tool_proxy",args:args};return ajax.call([request])[0]}}}));
+
+//# sourceMappingURL=tool_proxy.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_proxy.min.js.map b/mod/lti/amd/build/tool_proxy.min.js.map
index 3152ebf08bd..5f07178ccd8 100644
--- a/mod/lti/amd/build/tool_proxy.min.js.map
+++ b/mod/lti/amd/build/tool_proxy.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/tool_proxy.js"],"names":["define","ajax","notification","query","args","promise","call","methodname","fail","exception","id","create"],"mappings":"AAyBAA,OAAM,sBAAC,CAAC,WAAD,CAAc,mBAAd,CAAD,CAAqC,SAASC,CAAT,CAAeC,CAAf,CAA6B,CACpE,MAA+C,CAa3CC,KAAK,CAAE,eAASC,CAAT,CAAe,IAMdC,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CALV,CACVC,UAAU,CAAE,0BADF,CAEVH,IAAI,CAAEA,CAAI,EAAI,EAFJ,CAKU,CAAV,EAAqB,CAArB,CANI,CAQlBC,CAAO,CAACG,IAAR,CAAaN,CAAY,CAACO,SAA1B,EAEA,MAAOJ,CAAAA,CACV,CAxB0C,CAiC3C,OAAU,iBAASK,CAAT,CAAa,IAQfL,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CAPV,CACVC,UAAU,CAAE,2BADF,CAEVH,IAAI,CAAE,CACFM,EAAE,CAAEA,CADF,CAFI,CAOU,CAAV,EAAqB,CAArB,CARK,CAUnBL,CAAO,CAACG,IAAR,CAAaN,CAAY,CAACO,SAA1B,EAEA,MAAOJ,CAAAA,CACV,CA9C0C,CA4D3CM,MAAM,CAAE,gBAASP,CAAT,CAAe,IAMfC,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CALV,CACVC,UAAU,CAAE,2BADF,CAEVH,IAAI,CAAEA,CAFI,CAKU,CAAV,EAAqB,CAArB,CANK,CAQnB,MAAOC,CAAAA,CACV,CArE0C,CAuElD,CAxEK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provides an interface for a tool proxy in the Moodle server.\n *\n * @module     mod_lti/tool_proxy\n * @class      tool_proxy\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['core/ajax', 'core/notification'], function(ajax, notification) {\n    return /** @alias module:mod_lti/tool_proxy */ {\n        /**\n         * Get a list of tool types from Moodle for the given\n         * search args.\n         *\n         * See also:\n         * mod/lti/classes/external.php get_tool_types_parameters()\n         *\n         * @method query\n         * @public\n         * @param {Object} args Search parameters\n         * @return {Promise} jQuery Deferred object\n         */\n        query: function(args) {\n            var request = {\n                methodname: 'mod_lti_get_tool_proxies',\n                args: args || {}\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n        /**\n         * Delete a tool proxy from Moodle.\n         *\n         * @method delete\n         * @public\n         * @param {Integer} id Tool proxy ID\n         * @return {Promise} jQuery Deferred object\n         */\n        'delete': function(id) {\n            var request = {\n                methodname: 'mod_lti_delete_tool_proxy',\n                args: {\n                    id: id\n                }\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n\n        /**\n         * Create a tool proxy in Moodle.\n         *\n         * The promise will fail if the proxy cannot be created, so you must handle the fail result.\n         *\n         * See mod/lti/classes/external.php create_tool_proxy_parameters\n         *\n         * @method create\n         * @public\n         * @param {Object} args Tool proxy properties\n         * @return {Promise} jQuery Deferred object\n         */\n        create: function(args) {\n            var request = {\n                methodname: 'mod_lti_create_tool_proxy',\n                args: args\n            };\n\n            var promise = ajax.call([request])[0];\n\n            return promise;\n        }\n    };\n});\n"],"file":"tool_proxy.min.js"}
\ No newline at end of file
+{"version":3,"file":"tool_proxy.min.js","sources":["../src/tool_proxy.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provides an interface for a tool proxy in the Moodle server.\n *\n * @module     mod_lti/tool_proxy\n * @class      tool_proxy\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['core/ajax', 'core/notification'], function(ajax, notification) {\n    return /** @alias module:mod_lti/tool_proxy */ {\n        /**\n         * Get a list of tool types from Moodle for the given\n         * search args.\n         *\n         * See also:\n         * mod/lti/classes/external.php get_tool_types_parameters()\n         *\n         * @method query\n         * @public\n         * @param {Object} args Search parameters\n         * @return {Promise} jQuery Deferred object\n         */\n        query: function(args) {\n            var request = {\n                methodname: 'mod_lti_get_tool_proxies',\n                args: args || {}\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n        /**\n         * Delete a tool proxy from Moodle.\n         *\n         * @method delete\n         * @public\n         * @param {Integer} id Tool proxy ID\n         * @return {Promise} jQuery Deferred object\n         */\n        'delete': function(id) {\n            var request = {\n                methodname: 'mod_lti_delete_tool_proxy',\n                args: {\n                    id: id\n                }\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n\n        /**\n         * Create a tool proxy in Moodle.\n         *\n         * The promise will fail if the proxy cannot be created, so you must handle the fail result.\n         *\n         * See mod/lti/classes/external.php create_tool_proxy_parameters\n         *\n         * @method create\n         * @public\n         * @param {Object} args Tool proxy properties\n         * @return {Promise} jQuery Deferred object\n         */\n        create: function(args) {\n            var request = {\n                methodname: 'mod_lti_create_tool_proxy',\n                args: args\n            };\n\n            var promise = ajax.call([request])[0];\n\n            return promise;\n        }\n    };\n});\n"],"names":["define","ajax","notification","query","args","request","methodname","promise","call","fail","exception","id","create"],"mappings":";;;;;;;;;;AAyBAA,4BAAO,CAAC,YAAa,sBAAsB,SAASC,KAAMC,oBACP,CAa3CC,MAAO,SAASC,UACRC,QAAU,CACVC,WAAY,2BACZF,KAAMA,MAAQ,IAGdG,QAAUN,KAAKO,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKP,aAAaQ,WAEnBH,gBAUD,SAASI,QACXN,QAAU,CACVC,WAAY,4BACZF,KAAM,CACFO,GAAIA,KAIRJ,QAAUN,KAAKO,KAAK,CAACH,UAAU,UAEnCE,QAAQE,KAAKP,aAAaQ,WAEnBH,SAeXK,OAAQ,SAASR,UACTC,QAAU,CACVC,WAAY,4BACZF,KAAMA,aAGIH,KAAKO,KAAK,CAACH,UAAU"}
\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_proxy_card_controller.min.js b/mod/lti/amd/build/tool_proxy_card_controller.min.js
index 3c4fcd05e2b..95059d0c0db 100644
--- a/mod/lti/amd/build/tool_proxy_card_controller.min.js
+++ b/mod/lti/amd/build/tool_proxy_card_controller.min.js
@@ -1,2 +1,16 @@
-define ("mod_lti/tool_proxy_card_controller",["jquery","core/ajax","core/notification","core/templates","mod_lti/tool_proxy","mod_lti/events","mod_lti/keys","core/str"],function(a,b,c,d,e,f,g,h){var i={DELETE_BUTTON:".delete",CAPABILITIES_CONTAINER:".capabilities-container",ACTIVATE_BUTTON:".tool-card-footer a.activate"},j=2e3,k=function(a){return a.find(i.DELETE_BUTTON)},l=function(a){return a.find(i.ACTIVATE_BUTTON)},m=function(a){return a.attr("data-proxy-id")},n=function(a){a.removeClass("announcement loading success fail capabilities")},o=function(a){n(a);a.addClass("announcement loading")},p=function(a){a.removeClass("announcement loading")},q=function(b){var c=a.Deferred();n(b);b.addClass("announcement success");setTimeout(function(){b.removeClass("announcement success");c.resolve()},j);return c},r=function(b){var c=a.Deferred();n(b);b.addClass("announcement fail");setTimeout(function(){b.removeClass("announcement fail");c.resolve()},j);return c},s=function(b){var d=a.Deferred(),f=m(b);o(b);if(""===f){return a.Deferred().resolve()}h.get_strings([{key:"delete",component:"mod_lti"},{key:"delete_confirmation",component:"mod_lti"},{key:"delete",component:"mod_lti"},{key:"cancel",component:"core"}]).done(function(a){c.confirm(a[0],a[1],a[2],a[3],function(){e.delete(f).done(function(){p(b);q(b).done(function(){b.remove();d.resolve()}).fail(c.exception)}).fail(function(a){r(b);d.reject(a)})},function(){p(b);d.resolve()})}).fail(function(a){p(b);c.exception(a);d.reject(a)});return d},t=function(b){var c={proxyid:m(b)};a(document).trigger(f.START_EXTERNAL_REGISTRATION,c)},u=function(a){var b=k(a);b.click(function(b){b.preventDefault();s(a)});b.keypress(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(a.keyCode==g.ENTER||a.keyCode==g.SPACE){a.preventDefault();b.click()}}});var c=l(a);c.click(function(b){b.preventDefault();t(a)});c.keypress(function(a){if(!a.metaKey&&!a.shiftKey&&!a.altKey&&!a.ctrlKey){if(a.keyCode==g.ENTER||a.keyCode==g.SPACE){a.preventDefault();c.click()}}})};return{init:function init(a){u(a)}}});
-//# sourceMappingURL=tool_proxy_card_controller.min.js.map
+/**
+ * Controls all of the behaviour and interaction with a tool type card. These are
+ * listed on the LTI tool type management page.
+ *
+ * See template: mod_lti/tool_proxy_card
+ *
+ * @module     mod_lti/tool_proxy_card_controller
+ * @class      tool_card_controller
+ * @package    mod_lti
+ * @copyright  2016 John Okely <john@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/tool_proxy_card_controller",["jquery","core/ajax","core/notification","core/templates","mod_lti/tool_proxy","mod_lti/events","mod_lti/keys","core/str"],(function($,ajax,notification,templates,toolProxy,ltiEvents,KEYS,str){var SELECTORS_DELETE_BUTTON=".delete",SELECTORS_ACTIVATE_BUTTON=".tool-card-footer a.activate",getTypeId=function(element){return element.attr("data-proxy-id")},clearAllAnnouncements=function(element){element.removeClass("announcement loading success fail capabilities")},stopLoading=function(element){element.removeClass("announcement loading")},deleteType=function(element){var promise=$.Deferred(),typeId=getTypeId(element);return function(element){clearAllAnnouncements(element),element.addClass("announcement loading")}(element),""===typeId?$.Deferred().resolve():(str.get_strings([{key:"delete",component:"mod_lti"},{key:"delete_confirmation",component:"mod_lti"},{key:"delete",component:"mod_lti"},{key:"cancel",component:"core"}]).done((function(strs){notification.confirm(strs[0],strs[1],strs[2],strs[3],(function(){toolProxy.delete(typeId).done((function(){stopLoading(element),function(element){var promise=$.Deferred();return clearAllAnnouncements(element),element.addClass("announcement success"),setTimeout((function(){element.removeClass("announcement success"),promise.resolve()}),2e3),promise}(element).done((function(){element.remove(),promise.resolve()})).fail(notification.exception)})).fail((function(error){!function(element){var promise=$.Deferred();clearAllAnnouncements(element),element.addClass("announcement fail"),setTimeout((function(){element.removeClass("announcement fail"),promise.resolve()}),2e3)}(element),promise.reject(error)}))}),(function(){stopLoading(element),promise.resolve()}))})).fail((function(error){stopLoading(element),notification.exception(error),promise.reject(error)})),promise)},registerEventListeners=function(element){var deleteButton=function(element){return element.find(SELECTORS_DELETE_BUTTON)}(element);deleteButton.click((function(e){e.preventDefault(),deleteType(element)})),deleteButton.keypress((function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||e.keyCode!=KEYS.ENTER&&e.keyCode!=KEYS.SPACE||(e.preventDefault(),deleteButton.click())}));var activateButton=function(element){return element.find(SELECTORS_ACTIVATE_BUTTON)}(element);activateButton.click((function(e){e.preventDefault(),function(element){var data={proxyid:getTypeId(element)};$(document).trigger(ltiEvents.START_EXTERNAL_REGISTRATION,data)}(element)})),activateButton.keypress((function(e){e.metaKey||e.shiftKey||e.altKey||e.ctrlKey||e.keyCode!=KEYS.ENTER&&e.keyCode!=KEYS.SPACE||(e.preventDefault(),activateButton.click())}))};return{init:function(element){registerEventListeners(element)}}}));
+
+//# sourceMappingURL=tool_proxy_card_controller.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_proxy_card_controller.min.js.map b/mod/lti/amd/build/tool_proxy_card_controller.min.js.map
index 49b72ec4bd3..257cb465bf0 100644
--- a/mod/lti/amd/build/tool_proxy_card_controller.min.js.map
+++ b/mod/lti/amd/build/tool_proxy_card_controller.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls all of the behaviour and interaction with a tool type card. These are\n * listed on the LTI tool type management page.\n *\n * See template: mod_lti/tool_proxy_card\n *\n * @module     mod_lti/tool_proxy_card_controller\n * @class      tool_card_controller\n * @package    mod_lti\n * @copyright  2016 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'mod_lti/tool_proxy', 'mod_lti/events', 'mod_lti/keys',\n        'core/str'],\n        function($, ajax, notification, templates, toolProxy, ltiEvents, KEYS, str) {\n\n    var SELECTORS = {\n        DELETE_BUTTON: '.delete',\n        CAPABILITIES_CONTAINER: '.capabilities-container',\n        ACTIVATE_BUTTON: '.tool-card-footer a.activate',\n    };\n\n    // Timeout in seconds.\n    var ANNOUNCEMENT_TIMEOUT = 2000;\n\n    /**\n     * Return the delete button element.\n     *\n     * @method getDeleteButton\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery} jQuery object\n     */\n    var getDeleteButton = function(element) {\n        return element.find(SELECTORS.DELETE_BUTTON);\n    };\n\n    /**\n     * Return the activate button for the type.\n     *\n     * @method getActivateButton\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery}  jQuery object\n     */\n    var getActivateButton = function(element) {\n        return element.find(SELECTORS.ACTIVATE_BUTTON);\n    };\n\n    /**\n     * Get the type id.\n     *\n     * @method getTypeId\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {String} Type ID\n     */\n    var getTypeId = function(element) {\n        return element.attr('data-proxy-id');\n    };\n\n    /**\n     * Stop any announcement currently visible on the card.\n     *\n     * @method clearAllAnnouncements\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var clearAllAnnouncements = function(element) {\n        element.removeClass('announcement loading success fail capabilities');\n    };\n\n    /**\n     * Show the loading announcement.\n     *\n     * @method startLoading\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var startLoading = function(element) {\n        clearAllAnnouncements(element);\n        element.addClass('announcement loading');\n    };\n\n    /**\n     * Hide the loading announcement.\n     *\n     * @method stopLoading\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var stopLoading = function(element) {\n        element.removeClass('announcement loading');\n    };\n\n    /**\n     * Show the success announcement. The announcement is only\n     * visible for 2 seconds.\n     *\n     * @method announceSuccess\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var announceSuccess = function(element) {\n        var promise = $.Deferred();\n\n        clearAllAnnouncements(element);\n        element.addClass('announcement success');\n        setTimeout(function() {\n            element.removeClass('announcement success');\n            promise.resolve();\n        }, ANNOUNCEMENT_TIMEOUT);\n\n        return promise;\n    };\n\n    /**\n     * Show the failure announcement. The announcement is only\n     * visible for 2 seconds.\n     *\n     * @method announceFailure\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var announceFailure = function(element) {\n        var promise = $.Deferred();\n\n        clearAllAnnouncements(element);\n        element.addClass('announcement fail');\n        setTimeout(function() {\n                element.removeClass('announcement fail');\n                promise.resolve();\n            }, ANNOUNCEMENT_TIMEOUT);\n\n        return promise;\n    };\n\n    /**\n     * Delete the tool type from the Moodle server. Triggers a success\n     * or failure announcement depending on the result.\n     *\n     * @method deleteType\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var deleteType = function(element) {\n        var promise = $.Deferred();\n        var typeId = getTypeId(element);\n        startLoading(element);\n\n        if (typeId === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        str.get_strings([\n                {\n                    key: 'delete',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'delete_confirmation',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'delete',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'cancel',\n                    component: 'core'\n                },\n            ])\n            .done(function(strs) {\n                    notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                            toolProxy.delete(typeId)\n                                .done(function() {\n                                        stopLoading(element);\n                                        announceSuccess(element)\n                                            .done(function() {\n                                                    element.remove();\n                                                    promise.resolve();\n                                                })\n                                            .fail(notification.exception);\n                                    })\n                                .fail(function(error) {\n                                        announceFailure(element);\n                                        promise.reject(error);\n                                    });\n                    }, function() {\n                            stopLoading(element);\n                            promise.resolve();\n                        });\n                })\n            .fail(function(error) {\n                    stopLoading(element);\n                    notification.exception(error);\n                    promise.reject(error);\n                });\n\n        return promise;\n    };\n\n    /**\n     * The user wishes to activate this tool so show them the capabilities that\n     * they need to agree to or if there are none then set the tool type's state\n     * to active.\n     *\n     * @method activateToolType\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var activateToolType = function(element) {\n        var data = {proxyid: getTypeId(element)};\n        $(document).trigger(ltiEvents.START_EXTERNAL_REGISTRATION, data);\n    };\n\n    /**\n     * Sets up the listeners for user interaction on this tool type card.\n     *\n     * @method registerEventListeners\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var registerEventListeners = function(element) {\n        var deleteButton = getDeleteButton(element);\n        deleteButton.click(function(e) {\n                e.preventDefault();\n                deleteType(element);\n            });\n        deleteButton.keypress(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                        e.preventDefault();\n                        deleteButton.click();\n                    }\n                }\n            });\n\n        var activateButton = getActivateButton(element);\n        activateButton.click(function(e) {\n                e.preventDefault();\n                activateToolType(element);\n            });\n        activateButton.keypress(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                        e.preventDefault();\n                        activateButton.click();\n                    }\n                }\n            });\n    };\n\n    return /** @alias module:mod_lti/tool_card_controller */ {\n\n        /**\n         * Initialise this module.\n         *\n         * @param {JQuery} element jQuery object representing the tool card.\n         */\n        init: function(element) {\n            registerEventListeners(element);\n        }\n    };\n});\n"],"file":"tool_proxy_card_controller.min.js"}
\ No newline at end of file
+{"version":3,"file":"tool_proxy_card_controller.min.js","sources":["../src/tool_proxy_card_controller.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Controls all of the behaviour and interaction with a tool type card. These are\n * listed on the LTI tool type management page.\n *\n * See template: mod_lti/tool_proxy_card\n *\n * @module     mod_lti/tool_proxy_card_controller\n * @class      tool_card_controller\n * @package    mod_lti\n * @copyright  2016 John Okely <john@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/notification', 'core/templates', 'mod_lti/tool_proxy', 'mod_lti/events', 'mod_lti/keys',\n        'core/str'],\n        function($, ajax, notification, templates, toolProxy, ltiEvents, KEYS, str) {\n\n    var SELECTORS = {\n        DELETE_BUTTON: '.delete',\n        CAPABILITIES_CONTAINER: '.capabilities-container',\n        ACTIVATE_BUTTON: '.tool-card-footer a.activate',\n    };\n\n    // Timeout in seconds.\n    var ANNOUNCEMENT_TIMEOUT = 2000;\n\n    /**\n     * Return the delete button element.\n     *\n     * @method getDeleteButton\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery} jQuery object\n     */\n    var getDeleteButton = function(element) {\n        return element.find(SELECTORS.DELETE_BUTTON);\n    };\n\n    /**\n     * Return the activate button for the type.\n     *\n     * @method getActivateButton\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {JQuery}  jQuery object\n     */\n    var getActivateButton = function(element) {\n        return element.find(SELECTORS.ACTIVATE_BUTTON);\n    };\n\n    /**\n     * Get the type id.\n     *\n     * @method getTypeId\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {String} Type ID\n     */\n    var getTypeId = function(element) {\n        return element.attr('data-proxy-id');\n    };\n\n    /**\n     * Stop any announcement currently visible on the card.\n     *\n     * @method clearAllAnnouncements\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var clearAllAnnouncements = function(element) {\n        element.removeClass('announcement loading success fail capabilities');\n    };\n\n    /**\n     * Show the loading announcement.\n     *\n     * @method startLoading\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var startLoading = function(element) {\n        clearAllAnnouncements(element);\n        element.addClass('announcement loading');\n    };\n\n    /**\n     * Hide the loading announcement.\n     *\n     * @method stopLoading\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var stopLoading = function(element) {\n        element.removeClass('announcement loading');\n    };\n\n    /**\n     * Show the success announcement. The announcement is only\n     * visible for 2 seconds.\n     *\n     * @method announceSuccess\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var announceSuccess = function(element) {\n        var promise = $.Deferred();\n\n        clearAllAnnouncements(element);\n        element.addClass('announcement success');\n        setTimeout(function() {\n            element.removeClass('announcement success');\n            promise.resolve();\n        }, ANNOUNCEMENT_TIMEOUT);\n\n        return promise;\n    };\n\n    /**\n     * Show the failure announcement. The announcement is only\n     * visible for 2 seconds.\n     *\n     * @method announceFailure\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var announceFailure = function(element) {\n        var promise = $.Deferred();\n\n        clearAllAnnouncements(element);\n        element.addClass('announcement fail');\n        setTimeout(function() {\n                element.removeClass('announcement fail');\n                promise.resolve();\n            }, ANNOUNCEMENT_TIMEOUT);\n\n        return promise;\n    };\n\n    /**\n     * Delete the tool type from the Moodle server. Triggers a success\n     * or failure announcement depending on the result.\n     *\n     * @method deleteType\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     * @return {Promise} jQuery Deferred object\n     */\n    var deleteType = function(element) {\n        var promise = $.Deferred();\n        var typeId = getTypeId(element);\n        startLoading(element);\n\n        if (typeId === \"\") {\n            return $.Deferred().resolve();\n        }\n\n        str.get_strings([\n                {\n                    key: 'delete',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'delete_confirmation',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'delete',\n                    component: 'mod_lti'\n                },\n                {\n                    key: 'cancel',\n                    component: 'core'\n                },\n            ])\n            .done(function(strs) {\n                    notification.confirm(strs[0], strs[1], strs[2], strs[3], function() {\n                            toolProxy.delete(typeId)\n                                .done(function() {\n                                        stopLoading(element);\n                                        announceSuccess(element)\n                                            .done(function() {\n                                                    element.remove();\n                                                    promise.resolve();\n                                                })\n                                            .fail(notification.exception);\n                                    })\n                                .fail(function(error) {\n                                        announceFailure(element);\n                                        promise.reject(error);\n                                    });\n                    }, function() {\n                            stopLoading(element);\n                            promise.resolve();\n                        });\n                })\n            .fail(function(error) {\n                    stopLoading(element);\n                    notification.exception(error);\n                    promise.reject(error);\n                });\n\n        return promise;\n    };\n\n    /**\n     * The user wishes to activate this tool so show them the capabilities that\n     * they need to agree to or if there are none then set the tool type's state\n     * to active.\n     *\n     * @method activateToolType\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var activateToolType = function(element) {\n        var data = {proxyid: getTypeId(element)};\n        $(document).trigger(ltiEvents.START_EXTERNAL_REGISTRATION, data);\n    };\n\n    /**\n     * Sets up the listeners for user interaction on this tool type card.\n     *\n     * @method registerEventListeners\n     * @private\n     * @param {JQuery} element jQuery object representing the tool card.\n     */\n    var registerEventListeners = function(element) {\n        var deleteButton = getDeleteButton(element);\n        deleteButton.click(function(e) {\n                e.preventDefault();\n                deleteType(element);\n            });\n        deleteButton.keypress(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                        e.preventDefault();\n                        deleteButton.click();\n                    }\n                }\n            });\n\n        var activateButton = getActivateButton(element);\n        activateButton.click(function(e) {\n                e.preventDefault();\n                activateToolType(element);\n            });\n        activateButton.keypress(function(e) {\n                if (!e.metaKey && !e.shiftKey && !e.altKey && !e.ctrlKey) {\n                    if (e.keyCode == KEYS.ENTER || e.keyCode == KEYS.SPACE) {\n                        e.preventDefault();\n                        activateButton.click();\n                    }\n                }\n            });\n    };\n\n    return /** @alias module:mod_lti/tool_card_controller */ {\n\n        /**\n         * Initialise this module.\n         *\n         * @param {JQuery} element jQuery object representing the tool card.\n         */\n        init: function(element) {\n            registerEventListeners(element);\n        }\n    };\n});\n"],"names":["define","$","ajax","notification","templates","toolProxy","ltiEvents","KEYS","str","SELECTORS","getTypeId","element","attr","clearAllAnnouncements","removeClass","stopLoading","deleteType","promise","Deferred","typeId","addClass","startLoading","resolve","get_strings","key","component","done","strs","confirm","delete","setTimeout","announceSuccess","remove","fail","exception","error","announceFailure","reject","registerEventListeners","deleteButton","find","getDeleteButton","click","e","preventDefault","keypress","metaKey","shiftKey","altKey","ctrlKey","keyCode","ENTER","SPACE","activateButton","getActivateButton","data","proxyid","document","trigger","START_EXTERNAL_REGISTRATION","activateToolType","init"],"mappings":";;;;;;;;;;;;;AA4BAA,4CAAO,CAAC,SAAU,YAAa,oBAAqB,iBAAkB,qBAAsB,iBAAkB,eACtG,aACA,SAASC,EAAGC,KAAMC,aAAcC,UAAWC,UAAWC,UAAWC,KAAMC,SAEvEC,wBACe,UADfA,0BAGiB,+BAsCjBC,UAAY,SAASC,gBACdA,QAAQC,KAAK,kBAUpBC,sBAAwB,SAASF,SACjCA,QAAQG,YAAY,mDAsBpBC,YAAc,SAASJ,SACvBA,QAAQG,YAAY,yBAwDpBE,WAAa,SAASL,aAClBM,QAAUhB,EAAEiB,WACZC,OAAST,UAAUC,gBAvER,SAASA,SACxBE,sBAAsBF,SACtBA,QAAQS,SAAS,wBAsEjBC,CAAaV,SAEE,KAAXQ,OACOlB,EAAEiB,WAAWI,WAGxBd,IAAIe,YAAY,CACR,CACIC,IAAK,SACLC,UAAW,WAEf,CACID,IAAK,sBACLC,UAAW,WAEf,CACID,IAAK,SACLC,UAAW,WAEf,CACID,IAAK,SACLC,UAAW,UAGlBC,MAAK,SAASC,MACPxB,aAAayB,QAAQD,KAAK,GAAIA,KAAK,GAAIA,KAAK,GAAIA,KAAK,IAAI,WACjDtB,UAAUwB,OAAOV,QACZO,MAAK,WACEX,YAAYJ,SA3E1B,SAASA,aACvBM,QAAUhB,EAAEiB,kBAEhBL,sBAAsBF,SACtBA,QAAQS,SAAS,wBACjBU,YAAW,WACPnB,QAAQG,YAAY,wBACpBG,QAAQK,YAxFW,KA2FhBL,QAkEyBc,CAAgBpB,SACXe,MAAK,WACEf,QAAQqB,SACRf,QAAQK,aAEfW,KAAK9B,aAAa+B,cAE9BD,MAAK,SAASE,QA7DrB,SAASxB,aACvBM,QAAUhB,EAAEiB,WAEhBL,sBAAsBF,SACtBA,QAAQS,SAAS,qBACjBU,YAAW,WACHnB,QAAQG,YAAY,qBACpBG,QAAQK,YA9GO,KAqKSc,CAAgBzB,SAChBM,QAAQoB,OAAOF,aAEhC,WACKpB,YAAYJ,SACZM,QAAQK,gBAGvBW,MAAK,SAASE,OACPpB,YAAYJ,SACZR,aAAa+B,UAAUC,OACvBlB,QAAQoB,OAAOF,UAGpBlB,UAwBPqB,uBAAyB,SAAS3B,aAC9B4B,aAlMc,SAAS5B,gBACpBA,QAAQ6B,KAAK/B,yBAiMDgC,CAAgB9B,SACnC4B,aAAaG,OAAM,SAASC,GACpBA,EAAEC,iBACF5B,WAAWL,YAEnB4B,aAAaM,UAAS,SAASF,GAClBA,EAAEG,SAAYH,EAAEI,UAAaJ,EAAEK,QAAWL,EAAEM,SACzCN,EAAEO,SAAW3C,KAAK4C,OAASR,EAAEO,SAAW3C,KAAK6C,QAC7CT,EAAEC,iBACFL,aAAaG,gBAKzBW,eApMgB,SAAS1C,gBACtBA,QAAQ6B,KAAK/B,2BAmMC6C,CAAkB3C,SACvC0C,eAAeX,OAAM,SAASC,GACtBA,EAAEC,iBA7BS,SAASjC,aACxB4C,KAAO,CAACC,QAAS9C,UAAUC,UAC/BV,EAAEwD,UAAUC,QAAQpD,UAAUqD,4BAA6BJ,MA4BnDK,CAAiBjD,YAEzB0C,eAAeR,UAAS,SAASF,GACpBA,EAAEG,SAAYH,EAAEI,UAAaJ,EAAEK,QAAWL,EAAEM,SACzCN,EAAEO,SAAW3C,KAAK4C,OAASR,EAAEO,SAAW3C,KAAK6C,QAC7CT,EAAEC,iBACFS,eAAeX,mBAMsB,CAOrDmB,KAAM,SAASlD,SACX2B,uBAAuB3B"}
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diff --git a/mod/lti/amd/build/tool_type.min.js b/mod/lti/amd/build/tool_type.min.js
index 44485f7466f..d00edff06fc 100644
--- a/mod/lti/amd/build/tool_type.min.js
+++ b/mod/lti/amd/build/tool_type.min.js
@@ -1,2 +1,13 @@
-define ("mod_lti/tool_type",["core/ajax","core/notification"],function(a,b){return{query:function query(c){var d=a.call([{methodname:"mod_lti_get_tool_types",args:c||{}}])[0];d.fail(b.exception);return d},create:function create(b){var c=a.call([{methodname:"mod_lti_create_tool_type",args:b}])[0];return c},update:function update(c){var d=a.call([{methodname:"mod_lti_update_tool_type",args:c}])[0];d.fail(b.exception);return d},delete:function _delete(c){var d=a.call([{methodname:"mod_lti_delete_tool_type",args:{id:c}}])[0];d.fail(b.exception);return d},getFromToolProxyId:function getFromToolProxyId(a){return this.query({toolproxyid:a})},isCartridge:function isCartridge(b){var c=a.call([{methodname:"mod_lti_is_cartridge",args:{url:b}}])[0];return c},constants:{state:{configured:1,pending:2,rejected:3}}}});
-//# sourceMappingURL=tool_type.min.js.map
+/**
+ * Provides an interface for a tool type in the Moodle server.
+ *
+ * @module     mod_lti/tool_type
+ * @class      tool_type
+ * @package    mod_lti
+ * @copyright  2015 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("mod_lti/tool_type",["core/ajax","core/notification"],(function(ajax,notification){return{query:function(args){var request={methodname:"mod_lti_get_tool_types",args:args||{}},promise=ajax.call([request])[0];return promise.fail(notification.exception),promise},create:function(args){var request={methodname:"mod_lti_create_tool_type",args:args};return ajax.call([request])[0]},update:function(args){var request={methodname:"mod_lti_update_tool_type",args:args},promise=ajax.call([request])[0];return promise.fail(notification.exception),promise},delete:function(id){var request={methodname:"mod_lti_delete_tool_type",args:{id:id}},promise=ajax.call([request])[0];return promise.fail(notification.exception),promise},getFromToolProxyId:function(id){return this.query({toolproxyid:id})},isCartridge:function(url){var request={methodname:"mod_lti_is_cartridge",args:{url:url}};return ajax.call([request])[0]},constants:{state:{configured:1,pending:2,rejected:3}}}}));
+
+//# sourceMappingURL=tool_type.min.js.map
\ No newline at end of file
diff --git a/mod/lti/amd/build/tool_type.min.js.map b/mod/lti/amd/build/tool_type.min.js.map
index 6c53c693b28..3481dc8a1bb 100644
--- a/mod/lti/amd/build/tool_type.min.js.map
+++ b/mod/lti/amd/build/tool_type.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/tool_type.js"],"names":["define","ajax","notification","query","args","promise","call","methodname","fail","exception","create","update","id","getFromToolProxyId","toolproxyid","isCartridge","url","constants","state","configured","pending","rejected"],"mappings":"AAyBAA,OAAM,qBAAC,CAAC,WAAD,CAAc,mBAAd,CAAD,CAAqC,SAASC,CAAT,CAAeC,CAAf,CAA6B,CACpE,MAA8C,CAa1CC,KAAK,CAAE,eAASC,CAAT,CAAe,IAMdC,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CALV,CACVC,UAAU,CAAE,wBADF,CAEVH,IAAI,CAAEA,CAAI,EAAI,EAFJ,CAKU,CAAV,EAAqB,CAArB,CANI,CAQlBC,CAAO,CAACG,IAAR,CAAaN,CAAY,CAACO,SAA1B,EAEA,MAAOJ,CAAAA,CACV,CAxByC,CAuC1CK,MAAM,CAAE,gBAASN,CAAT,CAAe,IAMfC,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CALV,CACVC,UAAU,CAAE,0BADF,CAEVH,IAAI,CAAEA,CAFI,CAKU,CAAV,EAAqB,CAArB,CANK,CAQnB,MAAOC,CAAAA,CACV,CAhDyC,CA6D1CM,MAAM,CAAE,gBAASP,CAAT,CAAe,IAMfC,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CALV,CACVC,UAAU,CAAE,0BADF,CAEVH,IAAI,CAAEA,CAFI,CAKU,CAAV,EAAqB,CAArB,CANK,CAQnBC,CAAO,CAACG,IAAR,CAAaN,CAAY,CAACO,SAA1B,EAEA,MAAOJ,CAAAA,CACV,CAxEyC,CAkF1C,OAAU,iBAASO,CAAT,CAAa,IAQfP,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CAPV,CACVC,UAAU,CAAE,0BADF,CAEVH,IAAI,CAAE,CACFQ,EAAE,CAAEA,CADF,CAFI,CAOU,CAAV,EAAqB,CAArB,CARK,CAUnBP,CAAO,CAACG,IAAR,CAAaN,CAAY,CAACO,SAA1B,EAEA,MAAOJ,CAAAA,CACV,CA/FyC,CA0G1CQ,kBAAkB,CAAE,4BAASD,CAAT,CAAa,CAC7B,MAAO,MAAKT,KAAL,CAAW,CAACW,WAAW,CAAEF,CAAd,CAAX,CACV,CA5GyC,CAwH1CG,WAAW,CAAE,qBAASC,CAAT,CAAc,IAQnBX,CAAAA,CAAO,CAAGJ,CAAI,CAACK,IAAL,CAAU,CAPV,CACVC,UAAU,CAAE,sBADF,CAEVH,IAAI,CAAE,CACFY,GAAG,CAAEA,CADH,CAFI,CAOU,CAAV,EAAqB,CAArB,CARS,CAUvB,MAAOX,CAAAA,CACV,CAnIyC,CAwI1CY,SAAS,CAAE,CACPC,KAAK,CAAE,CACHC,UAAU,CAAE,CADT,CAEHC,OAAO,CAAE,CAFN,CAGHC,QAAQ,CAAE,CAHP,CADA,CAxI+B,CAgJjD,CAjJK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provides an interface for a tool type in the Moodle server.\n *\n * @module     mod_lti/tool_type\n * @class      tool_type\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['core/ajax', 'core/notification'], function(ajax, notification) {\n    return /** @alias module:mod_lti/tool_type */ {\n        /**\n         * Get a list of tool types from Moodle for the given\n         * search args.\n         *\n         * See also:\n         * mod/lti/classes/external.php get_tool_types_parameters()\n         *\n         * @method query\n         * @public\n         * @param {Object} args Search parameters\n         * @return {Promise} jQuery Deferred object\n         */\n        query: function(args) {\n            var request = {\n                methodname: 'mod_lti_get_tool_types',\n                args: args || {}\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n\n        /**\n         * Create a tool type in Moodle.\n         *\n         * The promise will fail if the URL is not a cartridge, so you must handle the fail result.\n         *\n         * See also:\n         * mod/lti/classes/external.php create_tool_type_parameters()\n         *\n         * @method create\n         * @public\n         * @param {Object} args Tool type properties\n         * @return {Promise} jQuery Deferred object\n         */\n        create: function(args) {\n            var request = {\n                methodname: 'mod_lti_create_tool_type',\n                args: args\n            };\n\n            var promise = ajax.call([request])[0];\n\n            return promise;\n        },\n\n        /**\n         * Update a tool type in Moodle.\n         *\n         * See also:\n         * mod/lti/classes/external.php update_tool_type_parameters()\n         *\n         * @method update\n         * @public\n         * @param {Object} args Tool type properties\n         * @return {Promise} jQuery Deferred object\n         */\n        update: function(args) {\n            var request = {\n                methodname: 'mod_lti_update_tool_type',\n                args: args\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n\n        /**\n         * Delete a tool type from Moodle.\n         *\n         * @method delete\n         * @public\n         * @param {Integer} id Tool type ID\n         * @return {Promise} jQuery Deferred object\n         */\n        'delete': function(id) {\n            var request = {\n                methodname: 'mod_lti_delete_tool_type',\n                args: {\n                    id: id\n                }\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n\n        /**\n         * Get a list of tool types from Moodle for the given\n         * tool proxy id.\n         *\n         * @method query\n         * @public\n         * @param {Integer} id Tool type ID\n         * @return {Promise} jQuery Deferred object\n         */\n        getFromToolProxyId: function(id) {\n            return this.query({toolproxyid: id});\n        },\n\n        /**\n         * Check if the given URL is a cartridge URL.\n         *\n         * The promise will fail if the URL is unreachable, so you must handle the fail result.\n         *\n         * @method isCartridge\n         * @public\n         * @param {String} url\n         * @return {Promise} jQuery Deferred object\n         */\n        isCartridge: function(url) {\n            var request = {\n                methodname: 'mod_lti_is_cartridge',\n                args: {\n                    url: url\n                }\n            };\n\n            var promise = ajax.call([request])[0];\n\n            return promise;\n        },\n\n        /**\n         * Tool type constants.\n         */\n        constants: {\n            state: {\n                configured: 1,\n                pending: 2,\n                rejected: 3\n            },\n        }\n    };\n});\n"],"file":"tool_type.min.js"}
\ No newline at end of file
+{"version":3,"file":"tool_type.min.js","sources":["../src/tool_type.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Provides an interface for a tool type in the Moodle server.\n *\n * @module     mod_lti/tool_type\n * @class      tool_type\n * @package    mod_lti\n * @copyright  2015 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['core/ajax', 'core/notification'], function(ajax, notification) {\n    return /** @alias module:mod_lti/tool_type */ {\n        /**\n         * Get a list of tool types from Moodle for the given\n         * search args.\n         *\n         * See also:\n         * mod/lti/classes/external.php get_tool_types_parameters()\n         *\n         * @method query\n         * @public\n         * @param {Object} args Search parameters\n         * @return {Promise} jQuery Deferred object\n         */\n        query: function(args) {\n            var request = {\n                methodname: 'mod_lti_get_tool_types',\n                args: args || {}\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n\n        /**\n         * Create a tool type in Moodle.\n         *\n         * The promise will fail if the URL is not a cartridge, so you must handle the fail result.\n         *\n         * See also:\n         * mod/lti/classes/external.php create_tool_type_parameters()\n         *\n         * @method create\n         * @public\n         * @param {Object} args Tool type properties\n         * @return {Promise} jQuery Deferred object\n         */\n        create: function(args) {\n            var request = {\n                methodname: 'mod_lti_create_tool_type',\n                args: args\n            };\n\n            var promise = ajax.call([request])[0];\n\n            return promise;\n        },\n\n        /**\n         * Update a tool type in Moodle.\n         *\n         * See also:\n         * mod/lti/classes/external.php update_tool_type_parameters()\n         *\n         * @method update\n         * @public\n         * @param {Object} args Tool type properties\n         * @return {Promise} jQuery Deferred object\n         */\n        update: function(args) {\n            var request = {\n                methodname: 'mod_lti_update_tool_type',\n                args: args\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n\n        /**\n         * Delete a tool type from Moodle.\n         *\n         * @method delete\n         * @public\n         * @param {Integer} id Tool type ID\n         * @return {Promise} jQuery Deferred object\n         */\n        'delete': function(id) {\n            var request = {\n                methodname: 'mod_lti_delete_tool_type',\n                args: {\n                    id: id\n                }\n            };\n\n            var promise = ajax.call([request])[0];\n\n            promise.fail(notification.exception);\n\n            return promise;\n        },\n\n        /**\n         * Get a list of tool types from Moodle for the given\n         * tool proxy id.\n         *\n         * @method query\n         * @public\n         * @param {Integer} id Tool type ID\n         * @return {Promise} jQuery Deferred object\n         */\n        getFromToolProxyId: function(id) {\n            return this.query({toolproxyid: id});\n        },\n\n        /**\n         * Check if the given URL is a cartridge URL.\n         *\n         * The promise will fail if the URL is unreachable, so you must handle the fail result.\n         *\n         * @method isCartridge\n         * @public\n         * @param {String} url\n         * @return {Promise} jQuery Deferred object\n         */\n        isCartridge: function(url) {\n            var request = {\n                methodname: 'mod_lti_is_cartridge',\n                args: {\n                    url: url\n                }\n            };\n\n            var promise = ajax.call([request])[0];\n\n            return promise;\n        },\n\n        /**\n         * Tool type constants.\n         */\n        constants: {\n            state: {\n                configured: 1,\n                pending: 2,\n                rejected: 3\n            },\n        }\n    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\ No newline at end of file
diff --git a/mod/quiz/accessrule/seb/amd/build/managetemplates.min.js b/mod/quiz/accessrule/seb/amd/build/managetemplates.min.js
index 1a1bf5042ad..ca61d8bbca2 100644
--- a/mod/quiz/accessrule/seb/amd/build/managetemplates.min.js
+++ b/mod/quiz/accessrule/seb/amd/build/managetemplates.min.js
@@ -1,2 +1,3 @@
-define ("quizaccess_seb/managetemplates",["jquery","core/ajax","core/str","core/notification"],function(a,b,c,d){var e={removeTemplate:function removeTemplate(b){b.preventDefault();var e=a(b.currentTarget).attr("href");c.get_strings([{key:"confirmtemplateremovaltitle",component:"quizaccess_seb"},{key:"confirmtemplateremovalquestion",component:"quizaccess_seb"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).then(function(a){d.confirm(a[0],a[1],a[2],a[3],function(){window.location=e})}).catch()},setup:function setup(){a("body").delegate("[data-action=\"delete\"]","click",e.removeTemplate)}};return{setup:e.setup}});
-//# sourceMappingURL=managetemplates.min.js.map
+define("quizaccess_seb/managetemplates",["jquery","core/ajax","core/str","core/notification"],(function($,ajax,str,notification){var manager={removeTemplate:function(e){e.preventDefault();var targetUrl=$(e.currentTarget).attr("href");str.get_strings([{key:"confirmtemplateremovaltitle",component:"quizaccess_seb"},{key:"confirmtemplateremovalquestion",component:"quizaccess_seb"},{key:"yes",component:"moodle"},{key:"no",component:"moodle"}]).then((function(s){notification.confirm(s[0],s[1],s[2],s[3],(function(){window.location=targetUrl}))})).catch()},setup:function(){$("body").delegate('[data-action="delete"]',"click",manager.removeTemplate)}};return{setup:manager.setup}}));
+
+//# sourceMappingURL=managetemplates.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/accessrule/seb/amd/build/managetemplates.min.js.map b/mod/quiz/accessrule/seb/amd/build/managetemplates.min.js.map
index 0e721e5c68d..4595064cf84 100644
--- a/mod/quiz/accessrule/seb/amd/build/managetemplates.min.js.map
+++ b/mod/quiz/accessrule/seb/amd/build/managetemplates.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/managetemplates.js"],"names":["define","$","ajax","str","notification","manager","removeTemplate","e","preventDefault","targetUrl","currentTarget","attr","get_strings","key","component","then","s","confirm","window","location","catch","setup","delegate"],"mappings":"AAQAA,OAAM,kCACF,CAAC,QAAD,CAAW,WAAX,CAAwB,UAAxB,CAAoC,mBAApC,CADE,CAEF,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAuBC,CAAvB,CAAqC,CACjC,GAAIC,CAAAA,CAAO,CAAG,CAOVC,cAAc,CAAE,wBAASC,CAAT,CAAY,CACxBA,CAAC,CAACC,cAAF,GACA,GAAIC,CAAAA,CAAS,CAAGR,CAAC,CAACM,CAAC,CAACG,aAAH,CAAD,CAAmBC,IAAnB,CAAwB,MAAxB,CAAhB,CACAR,CAAG,CAACS,WAAJ,CAAgB,CACZ,CACIC,GAAG,CAAS,6BADhB,CAEIC,SAAS,CAAG,gBAFhB,CADY,CAKZ,CACID,GAAG,CAAS,gCADhB,CAEIC,SAAS,CAAG,gBAFhB,CALY,CASZ,CACID,GAAG,CAAS,KADhB,CAEIC,SAAS,CAAG,QAFhB,CATY,CAaZ,CACID,GAAG,CAAS,IADhB,CAEIC,SAAS,CAAG,QAFhB,CAbY,CAAhB,EAkBCC,IAlBD,CAkBM,SAASC,CAAT,CAAY,CACdZ,CAAY,CAACa,OAAb,CAAqBD,CAAC,CAAC,CAAD,CAAtB,CAA2BA,CAAC,CAAC,CAAD,CAA5B,CAAiCA,CAAC,CAAC,CAAD,CAAlC,CAAuCA,CAAC,CAAC,CAAD,CAAxC,CAA6C,UAAW,CACpDE,MAAM,CAACC,QAAP,CAAkBV,CACrB,CAFD,CAKH,CAxBD,EAyBCW,KAzBD,EA0BH,CApCS,CA2CVC,KAAK,CAAE,gBAAW,CACdpB,CAAC,CAAC,MAAD,CAAD,CAAUqB,QAAV,CAAmB,0BAAnB,CAA6C,OAA7C,CAAsDjB,CAAO,CAACC,cAA9D,CACH,CA7CS,CAAd,CAgDA,MAA2D,CAMvDe,KAAK,CAAEhB,CAAO,CAACgB,KANwC,CAQ9D,CA3DC,CAAN","sourcesContent":["/**\n * Template management code.\n *\n * @module quizaccess_seb/managetemplates\n * @class managetemplates\n * @package quizaccess_seb\n * @copyright  2020 Dmitrii Metelkin <dmitriim@catalyst-au.net>\n */\ndefine(\n    ['jquery', 'core/ajax', 'core/str', 'core/notification'],\n    function($, ajax, str, notification) {\n        var manager = {\n            /**\n             * Confirm removal of the specified template.\n             *\n             * @method removeTemplate\n             * @param {EventFacade} e The EventFacade\n             */\n            removeTemplate: function(e) {\n                e.preventDefault();\n                var targetUrl = $(e.currentTarget).attr('href');\n                str.get_strings([\n                    {\n                        key:        'confirmtemplateremovaltitle',\n                        component:  'quizaccess_seb'\n                    },\n                    {\n                        key:        'confirmtemplateremovalquestion',\n                        component:  'quizaccess_seb'\n                    },\n                    {\n                        key:        'yes',\n                        component:  'moodle'\n                    },\n                    {\n                        key:        'no',\n                        component:  'moodle'\n                    }\n                ])\n                .then(function(s) {\n                    notification.confirm(s[0], s[1], s[2], s[3], function() {\n                        window.location = targetUrl;\n                    });\n\n                    return;\n                })\n                .catch();\n            },\n\n            /**\n             * Setup the template management UI.\n             *\n             * @method setup\n             */\n            setup: function() {\n                $('body').delegate('[data-action=\"delete\"]', 'click', manager.removeTemplate);\n            }\n        };\n\n        return /** @alias module:quizaccess_seb/managetemplates */ {\n            /**\n             * Setup the template management UI.\n             *\n             * @method setup\n             */\n            setup: manager.setup\n        };\n    });\n"],"file":"managetemplates.min.js"}
\ No newline at end of file
+{"version":3,"file":"managetemplates.min.js","sources":["../src/managetemplates.js"],"sourcesContent":["/**\n * Template management code.\n *\n * @module quizaccess_seb/managetemplates\n * @class managetemplates\n * @package quizaccess_seb\n * @copyright  2020 Dmitrii Metelkin <dmitriim@catalyst-au.net>\n */\ndefine(\n    ['jquery', 'core/ajax', 'core/str', 'core/notification'],\n    function($, ajax, str, notification) {\n        var manager = {\n            /**\n             * Confirm removal of the specified template.\n             *\n             * @method removeTemplate\n             * @param {EventFacade} e The EventFacade\n             */\n            removeTemplate: function(e) {\n                e.preventDefault();\n                var targetUrl = $(e.currentTarget).attr('href');\n                str.get_strings([\n                    {\n                        key:        'confirmtemplateremovaltitle',\n                        component:  'quizaccess_seb'\n                    },\n                    {\n                        key:        'confirmtemplateremovalquestion',\n                        component:  'quizaccess_seb'\n                    },\n                    {\n                        key:        'yes',\n                        component:  'moodle'\n                    },\n                    {\n                        key:        'no',\n                        component:  'moodle'\n                    }\n                ])\n                .then(function(s) {\n                    notification.confirm(s[0], s[1], s[2], s[3], function() {\n                        window.location = targetUrl;\n                    });\n\n                    return;\n                })\n                .catch();\n            },\n\n            /**\n             * Setup the template management UI.\n             *\n             * @method setup\n             */\n            setup: function() {\n                $('body').delegate('[data-action=\"delete\"]', 'click', manager.removeTemplate);\n            }\n        };\n\n        return /** @alias module:quizaccess_seb/managetemplates */ {\n            /**\n             * Setup the template management UI.\n             *\n             * @method setup\n             */\n            setup: manager.setup\n        };\n    });\n"],"names":["define","$","ajax","str","notification","manager","removeTemplate","e","preventDefault","targetUrl","currentTarget","attr","get_strings","key","component","then","s","confirm","window","location","catch","setup","delegate"],"mappings":"AAQAA,wCACI,CAAC,SAAU,YAAa,WAAY,sBACpC,SAASC,EAAGC,KAAMC,IAAKC,kBACfC,QAAU,CAOVC,eAAgB,SAASC,GACrBA,EAAEC,qBACEC,UAAYR,EAAEM,EAAEG,eAAeC,KAAK,QACxCR,IAAIS,YAAY,CACZ,CACIC,IAAY,8BACZC,UAAY,kBAEhB,CACID,IAAY,iCACZC,UAAY,kBAEhB,CACID,IAAY,MACZC,UAAY,UAEhB,CACID,IAAY,KACZC,UAAY,YAGnBC,MAAK,SAASC,GACXZ,aAAaa,QAAQD,EAAE,GAAIA,EAAE,GAAIA,EAAE,GAAIA,EAAE,IAAI,WACzCE,OAAOC,SAAWV,gBAKzBW,SAQLC,MAAO,WACHpB,EAAE,QAAQqB,SAAS,yBAA0B,QAASjB,QAAQC,wBAIX,CAMvDe,MAAOhB,QAAQgB"}
\ No newline at end of file
diff --git a/mod/quiz/amd/build/add_question_modal_launcher.min.js b/mod/quiz/amd/build/add_question_modal_launcher.min.js
index 3bc0b40ff1e..96727e66b40 100644
--- a/mod/quiz/amd/build/add_question_modal_launcher.min.js
+++ b/mod/quiz/amd/build/add_question_modal_launcher.min.js
@@ -1,2 +1,11 @@
-define ("mod_quiz/add_question_modal_launcher",["jquery","core/notification","core/modal_factory"],function(a,b,c){return{init:function init(d,e,f,g){var h=a("body");return c.create({type:d,large:!0,preShowCallback:function preShowCallback(b,c){b=a(b);c.setContextId(f);c.setAddOnPageId(b.attr("data-addonpage"));c.setTitle(b.attr("data-header"));if(g){g(b,c)}}},[h,e]).fail(b.exception)}}});
-//# sourceMappingURL=add_question_modal_launcher.min.js.map
+/**
+ * Initialise the an add question modal on the quiz page.
+ *
+ * @module    mod_quiz/add_question_modal_launcher
+ * @package   mod_quiz
+ * @copyright 2018 Ryan Wyllie <ryan@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_quiz/add_question_modal_launcher",["jquery","core/notification","core/modal_factory"],(function($,Notification,ModalFactory){return{init:function(modalType,selector,contextId,_preShowCallback){var body=$("body");return ModalFactory.create({type:modalType,large:!0,preShowCallback:function(triggerElement,modal){triggerElement=$(triggerElement),modal.setContextId(contextId),modal.setAddOnPageId(triggerElement.attr("data-addonpage")),modal.setTitle(triggerElement.attr("data-header")),_preShowCallback&&_preShowCallback(triggerElement,modal)}},[body,selector]).fail(Notification.exception)}}}));
+
+//# sourceMappingURL=add_question_modal_launcher.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/add_question_modal_launcher.min.js.map b/mod/quiz/amd/build/add_question_modal_launcher.min.js.map
index 27b3e12ba14..8c6a3712edc 100644
--- a/mod/quiz/amd/build/add_question_modal_launcher.min.js.map
+++ b/mod/quiz/amd/build/add_question_modal_launcher.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/add_question_modal_launcher.js"],"names":["define","$","Notification","ModalFactory","init","modalType","selector","contextId","preShowCallback","body","create","type","large","triggerElement","modal","setContextId","setAddOnPageId","attr","setTitle","fail","exception"],"mappings":"AAuBAA,OAAM,wCACF,CACI,QADJ,CAEI,mBAFJ,CAGI,oBAHJ,CADE,CAMF,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIE,CAEF,MAAO,CAWHC,IAAI,CAAE,cAASC,CAAT,CAAoBC,CAApB,CAA8BC,CAA9B,CAAyCC,CAAzC,CAA0D,CAC5D,GAAIC,CAAAA,CAAI,CAAGR,CAAC,CAAC,MAAD,CAAZ,CAOA,MAAOE,CAAAA,CAAY,CAACO,MAAb,CACH,CACIC,IAAI,CAAEN,CADV,CAEIO,KAAK,GAFT,CAKIJ,eAAe,CAAE,yBAASK,CAAT,CAAyBC,CAAzB,CAAgC,CAC7CD,CAAc,CAAGZ,CAAC,CAACY,CAAD,CAAlB,CACAC,CAAK,CAACC,YAAN,CAAmBR,CAAnB,EACAO,CAAK,CAACE,cAAN,CAAqBH,CAAc,CAACI,IAAf,CAAoB,gBAApB,CAArB,EACAH,CAAK,CAACI,QAAN,CAAeL,CAAc,CAACI,IAAf,CAAoB,aAApB,CAAf,EAEA,GAAIT,CAAJ,CAAqB,CACjBA,CAAe,CAACK,CAAD,CAAiBC,CAAjB,CAClB,CACJ,CAdL,CADG,CAmBH,CAACL,CAAD,CAAOH,CAAP,CAnBG,EAoBLa,IApBK,CAoBAjB,CAAY,CAACkB,SApBb,CAqBV,CAxCE,CA0CV,CAtDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Initialise the an add question modal on the quiz page.\n *\n * @module    mod_quiz/add_question_modal_launcher\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/notification',\n        'core/modal_factory',\n    ],\n    function(\n        $,\n        Notification,\n        ModalFactory\n    ) {\n\n    return {\n        /**\n         * Create a modal using the modal factory and add listeners to launch the\n         * modal when clicked.\n         *\n         * @param  {string} modalType Which modal to create\n         * @param  {string} selector The selectors for the elements that trigger the modal\n         * @param  {int} contextId The current context id\n         * @param  {function} preShowCallback A callback to execute before the modal is shown\n         * @return {promise} Resolved with the modal\n         */\n        init: function(modalType, selector, contextId, preShowCallback) {\n            var body = $('body');\n\n            // Create a question bank modal using the factory.\n            // The same modal will be used by all of the add question\n            // links that match \"selector\" on the page. The content\n            // of the modal will be changed depending on which link is\n            // clicked.\n            return ModalFactory.create(\n                {\n                    type: modalType,\n                    large: true,\n                    // This callback executes before the modal is shown when the\n                    // trigger element is clicked.\n                    preShowCallback: function(triggerElement, modal) {\n                        triggerElement = $(triggerElement);\n                        modal.setContextId(contextId);\n                        modal.setAddOnPageId(triggerElement.attr('data-addonpage'));\n                        modal.setTitle(triggerElement.attr('data-header'));\n\n                        if (preShowCallback) {\n                            preShowCallback(triggerElement, modal);\n                        }\n                    }\n                },\n                // Created a deligated listener rather than a single\n                // trigger element.\n                [body, selector]\n            ).fail(Notification.exception);\n        }\n    };\n});\n"],"file":"add_question_modal_launcher.min.js"}
\ No newline at end of file
+{"version":3,"file":"add_question_modal_launcher.min.js","sources":["../src/add_question_modal_launcher.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Initialise the an add question modal on the quiz page.\n *\n * @module    mod_quiz/add_question_modal_launcher\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/notification',\n        'core/modal_factory',\n    ],\n    function(\n        $,\n        Notification,\n        ModalFactory\n    ) {\n\n    return {\n        /**\n         * Create a modal using the modal factory and add listeners to launch the\n         * modal when clicked.\n         *\n         * @param  {string} modalType Which modal to create\n         * @param  {string} selector The selectors for the elements that trigger the modal\n         * @param  {int} contextId The current context id\n         * @param  {function} preShowCallback A callback to execute before the modal is shown\n         * @return {promise} Resolved with the modal\n         */\n        init: function(modalType, selector, contextId, preShowCallback) {\n            var body = $('body');\n\n            // Create a question bank modal using the factory.\n            // The same modal will be used by all of the add question\n            // links that match \"selector\" on the page. The content\n            // of the modal will be changed depending on which link is\n            // clicked.\n            return ModalFactory.create(\n                {\n                    type: modalType,\n                    large: true,\n                    // This callback executes before the modal is shown when the\n                    // trigger element is clicked.\n                    preShowCallback: function(triggerElement, modal) {\n                        triggerElement = $(triggerElement);\n                        modal.setContextId(contextId);\n                        modal.setAddOnPageId(triggerElement.attr('data-addonpage'));\n                        modal.setTitle(triggerElement.attr('data-header'));\n\n                        if (preShowCallback) {\n                            preShowCallback(triggerElement, modal);\n                        }\n                    }\n                },\n                // Created a deligated listener rather than a single\n                // trigger element.\n                [body, selector]\n            ).fail(Notification.exception);\n        }\n    };\n});\n"],"names":["define","$","Notification","ModalFactory","init","modalType","selector","contextId","preShowCallback","body","create","type","large","triggerElement","modal","setContextId","setAddOnPageId","attr","setTitle","fail","exception"],"mappings":";;;;;;;;AAuBAA,8CACI,CACI,SACA,oBACA,uBAEJ,SACIC,EACAC,aACAC,oBAGG,CAWHC,KAAM,SAASC,UAAWC,SAAUC,UAAWC,sBACvCC,KAAOR,EAAE,eAONE,aAAaO,OAChB,CACIC,KAAMN,UACNO,OAAO,EAGPJ,gBAAiB,SAASK,eAAgBC,OACtCD,eAAiBZ,EAAEY,gBACnBC,MAAMC,aAAaR,WACnBO,MAAME,eAAeH,eAAeI,KAAK,mBACzCH,MAAMI,SAASL,eAAeI,KAAK,gBAE/BT,kBACAA,iBAAgBK,eAAgBC,SAM5C,CAACL,KAAMH,WACTa,KAAKjB,aAAakB"}
\ No newline at end of file
diff --git a/mod/quiz/amd/build/add_random_form.min.js b/mod/quiz/amd/build/add_random_form.min.js
index fb48048745f..d312ca84911 100644
--- a/mod/quiz/amd/build/add_random_form.min.js
+++ b/mod/quiz/amd/build/add_random_form.min.js
@@ -1,2 +1,11 @@
-define ("mod_quiz/add_random_form",["jquery","mod_quiz/random_question_form_preview"],function(a,b){var c={PREVIEW_CONTAINER:"[data-region=\"random-question-preview-container\"]",CATEGORY_FORM_ELEMENT:"[name=\"category\"]",SUBCATEGORY_FORM_ELEMENT:"[name=\"includesubcategories\"]",TAG_IDS_FORM_ELEMENT:"[name=\"fromtags[]\"]"},d=function(a){return a.find(c.CATEGORY_FORM_ELEMENT).val()},e=function(a){var b=d(a),c=b.split(",");return c[0]},f=function(a,b){var c=d(a);return-1<b.indexOf(c)},g=function(a,b){if(f(a,b)){return!0}else{return a.find(c.SUBCATEGORY_FORM_ELEMENT).is(":checked")}},h=function(a){var b=a.find(c.TAG_IDS_FORM_ELEMENT).val();return b.map(function(a){var b=a.split(",");return b[0]})},i=function(a,d,f){var i=a.find(c.PREVIEW_CONTAINER);b.reload(i,e(a),g(a,f),h(a),d)},j=function(a){if(0<a.closest(c.CATEGORY_FORM_ELEMENT).length){return!0}if(0<a.closest(c.SUBCATEGORY_FORM_ELEMENT).length){return!0}if(0<a.closest(c.TAG_IDS_FORM_ELEMENT).length){return!0}return!1},k=function(c,d,e){var f=null;c.on("change",function(g){if(!j(a(g.target))){return}b.showLoadingIcon(c);if(f){clearTimeout(f)}f=setTimeout(function(){i(c,d,e)},2000)})};return{init:function init(b,c,d,e){if(!0==e){var f=a("#"+b);i(f,c,d,e);k(f,c,d,e)}}}});
-//# sourceMappingURL=add_random_form.min.js.map
+/**
+ * JavaScript for the add_random_form class.
+ *
+ * @module    mod_quiz/add_random_form
+ * @package   mod_quiz
+ * @copyright 2018 Ryan Wyllie <ryan@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_quiz/add_random_form",["jquery","mod_quiz/random_question_form_preview"],(function($,RandomQuestionFormPreview){var SELECTORS_PREVIEW_CONTAINER='[data-region="random-question-preview-container"]',SELECTORS_CATEGORY_FORM_ELEMENT='[name="category"]',SELECTORS_SUBCATEGORY_FORM_ELEMENT='[name="includesubcategories"]',SELECTORS_TAG_IDS_FORM_ELEMENT='[name="fromtags[]"]',getCategorySelectValue=function(form){return form.find(SELECTORS_CATEGORY_FORM_ELEMENT).val()},shouldIncludeSubcategories=function(form,topCategories){return!!function(form,topCategories){var selectedValue=getCategorySelectValue(form);return topCategories.indexOf(selectedValue)>-1}(form,topCategories)||form.find(SELECTORS_SUBCATEGORY_FORM_ELEMENT).is(":checked")},reloadQuestionPreview=function(form,contextId,topCategories){var previewContainer=form.find(SELECTORS_PREVIEW_CONTAINER);RandomQuestionFormPreview.reload(previewContainer,function(form){return getCategorySelectValue(form).split(",")[0]}(form),shouldIncludeSubcategories(form,topCategories),function(form){return form.find(SELECTORS_TAG_IDS_FORM_ELEMENT).val().map((function(value){return value.split(",")[0]}))}(form),contextId)},addEventListeners=function(form,contextId,topCategories){var reloadTimerId=null;form.on("change",(function(e){var element;((element=$(e.target)).closest(SELECTORS_CATEGORY_FORM_ELEMENT).length>0||element.closest(SELECTORS_SUBCATEGORY_FORM_ELEMENT).length>0||element.closest(SELECTORS_TAG_IDS_FORM_ELEMENT).length>0)&&(RandomQuestionFormPreview.showLoadingIcon(form),reloadTimerId&&clearTimeout(reloadTimerId),reloadTimerId=setTimeout((function(){reloadQuestionPreview(form,contextId,topCategories)}),2e3))}))};return{init:function(formId,contextId,topCategories,isTagsEnabled){if(1==isTagsEnabled){var form=$("#"+formId);reloadQuestionPreview(form,contextId,topCategories),addEventListeners(form,contextId,topCategories)}}}}));
+
+//# sourceMappingURL=add_random_form.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/add_random_form.min.js.map b/mod/quiz/amd/build/add_random_form.min.js.map
index 6d78cb5de22..c614a77bf17 100644
--- a/mod/quiz/amd/build/add_random_form.min.js.map
+++ b/mod/quiz/amd/build/add_random_form.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * JavaScript for the add_random_form class.\n *\n * @module    mod_quiz/add_random_form\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'mod_quiz/random_question_form_preview'\n    ],\n    function(\n        $,\n        RandomQuestionFormPreview\n    ) {\n\n    // Wait 2 seconds before reloading the question set just in case\n    // the user is still changing the criteria.\n    var RELOAD_DELAY = 2000;\n    var SELECTORS = {\n        PREVIEW_CONTAINER: '[data-region=\"random-question-preview-container\"]',\n        CATEGORY_FORM_ELEMENT: '[name=\"category\"]',\n        SUBCATEGORY_FORM_ELEMENT: '[name=\"includesubcategories\"]',\n        TAG_IDS_FORM_ELEMENT: '[name=\"fromtags[]\"]'\n    };\n\n    /**\n     * Get the selected category value from the form.\n     *\n     * @param {jquery} form The form element.\n     * @return {string} The category value.\n     */\n    var getCategorySelectValue = function(form) {\n        return form.find(SELECTORS.CATEGORY_FORM_ELEMENT).val();\n    };\n\n    /**\n     * Get the category id from the form.\n     *\n     * @param {jquery} form The form element.\n     * @return {string} The category id.\n     */\n    var getCategoryId = function(form) {\n        // The value string is the category id and category context id joined\n        // by a comma.\n        var valueString = getCategorySelectValue(form);\n        // Split the two ids.\n        var values = valueString.split(',');\n        // Return just the category id.\n        return values[0];\n    };\n\n    /**\n     * Check if a top level category is selected in the form.\n     *\n     * @param {jquery} form The form element.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     * @return {bool}\n     */\n    var isTopLevelCategorySelected = function(form, topCategories) {\n        var selectedValue = getCategorySelectValue(form);\n        return (topCategories.indexOf(selectedValue) > -1);\n    };\n\n    /**\n     * Check if the form indicates we should include include subcategories in\n     * the filter.\n     *\n     * @param {jquery} form The form element.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     * @return {bool}\n     */\n    var shouldIncludeSubcategories = function(form, topCategories) {\n        if (isTopLevelCategorySelected(form, topCategories)) {\n            return true;\n        } else {\n            return form.find(SELECTORS.SUBCATEGORY_FORM_ELEMENT).is(':checked');\n        }\n    };\n\n    /**\n     * Get the tag ids for the selected tags in the form.\n     *\n     * @param {jquery} form The form element.\n     * @return {string[]} The tag ids.\n     */\n    var getTagIds = function(form) {\n        var values = form.find(SELECTORS.TAG_IDS_FORM_ELEMENT).val();\n        return values.map(function(value) {\n            // The tag element value is the tag id and tag name joined\n            // by a comma. So we need to split them to get the tag id.\n            var parts = value.split(',');\n            return parts[0];\n        });\n    };\n\n    /**\n     * Reload the preview section with a new set of filters.\n     *\n     * @param {jquery} form The form element.\n     * @param {int} contextId The current context id.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     */\n    var reloadQuestionPreview = function(form, contextId, topCategories) {\n        var previewContainer = form.find(SELECTORS.PREVIEW_CONTAINER);\n        RandomQuestionFormPreview.reload(\n            previewContainer,\n            getCategoryId(form),\n            shouldIncludeSubcategories(form, topCategories),\n            getTagIds(form),\n            contextId\n        );\n    };\n\n    /**\n     * Is this an element we're interested in listening to changes on.\n     *\n     * @param {jquery} element The element to check.\n     * @return {bool}\n     */\n    var isInterestingElement = function(element) {\n        if (element.closest(SELECTORS.CATEGORY_FORM_ELEMENT).length > 0) {\n            return true;\n        }\n\n        if (element.closest(SELECTORS.SUBCATEGORY_FORM_ELEMENT).length > 0) {\n            return true;\n        }\n\n        if (element.closest(SELECTORS.TAG_IDS_FORM_ELEMENT).length > 0) {\n            return true;\n        }\n\n        return false;\n    };\n\n    /**\n     * Listen for changes to any of the interesting elements and reload the form\n     * preview with the new filter values if they are changed.\n     *\n     * The reload is delayed for a small amount of time (see RELOAD_DELAY) in case\n     * the user is actively editing the form. This allows us to avoid having to\n     * send multiple requests to the server on each change.\n     *\n     * Instead we can just send a single request when the user appears to have\n     * finished editing the form.\n     *\n     * @param {jquery} form The form element.\n     * @param {int} contextId The current context id.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     */\n    var addEventListeners = function(form, contextId, topCategories) {\n        var reloadTimerId = null;\n\n        form.on('change', function(e) {\n            // Only reload the preview when elements that will change the result\n            // are modified.\n            if (!isInterestingElement($(e.target))) {\n                return;\n            }\n\n            // Show the loading icon to let the user know that the preview\n            // will be updated after their actions.\n            RandomQuestionFormPreview.showLoadingIcon(form);\n\n            if (reloadTimerId) {\n                // Reset the timer each time the form is modified.\n                clearTimeout(reloadTimerId);\n            }\n\n            // Don't immediately reload the question preview section just\n            // in case the user is still modifying the form. We don't want to\n            // spam reload requests.\n            reloadTimerId = setTimeout(function() {\n                reloadQuestionPreview(form, contextId, topCategories);\n            }, RELOAD_DELAY);\n        });\n    };\n\n    /**\n     * Trigger the first load of the preview section and then listen for modifications\n     * to the form to reload the preview with new filter values.\n     *\n     * @param {jquery} formId The form element id.\n     * @param {int} contextId The current context id.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     * @param {bool} isTagsEnabled Whether tags feature is enabled or not.\n     */\n    var init = function(formId, contextId, topCategories, isTagsEnabled) {\n         if (isTagsEnabled == true) {\n             var form = $('#' + formId);\n             reloadQuestionPreview(form, contextId, topCategories, isTagsEnabled);\n             addEventListeners(form, contextId, topCategories, isTagsEnabled);\n         }\n    };\n\n    return {\n        init: init\n    };\n});\n"],"file":"add_random_form.min.js"}
\ No newline at end of file
+{"version":3,"file":"add_random_form.min.js","sources":["../src/add_random_form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * JavaScript for the add_random_form class.\n *\n * @module    mod_quiz/add_random_form\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'mod_quiz/random_question_form_preview'\n    ],\n    function(\n        $,\n        RandomQuestionFormPreview\n    ) {\n\n    // Wait 2 seconds before reloading the question set just in case\n    // the user is still changing the criteria.\n    var RELOAD_DELAY = 2000;\n    var SELECTORS = {\n        PREVIEW_CONTAINER: '[data-region=\"random-question-preview-container\"]',\n        CATEGORY_FORM_ELEMENT: '[name=\"category\"]',\n        SUBCATEGORY_FORM_ELEMENT: '[name=\"includesubcategories\"]',\n        TAG_IDS_FORM_ELEMENT: '[name=\"fromtags[]\"]'\n    };\n\n    /**\n     * Get the selected category value from the form.\n     *\n     * @param {jquery} form The form element.\n     * @return {string} The category value.\n     */\n    var getCategorySelectValue = function(form) {\n        return form.find(SELECTORS.CATEGORY_FORM_ELEMENT).val();\n    };\n\n    /**\n     * Get the category id from the form.\n     *\n     * @param {jquery} form The form element.\n     * @return {string} The category id.\n     */\n    var getCategoryId = function(form) {\n        // The value string is the category id and category context id joined\n        // by a comma.\n        var valueString = getCategorySelectValue(form);\n        // Split the two ids.\n        var values = valueString.split(',');\n        // Return just the category id.\n        return values[0];\n    };\n\n    /**\n     * Check if a top level category is selected in the form.\n     *\n     * @param {jquery} form The form element.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     * @return {bool}\n     */\n    var isTopLevelCategorySelected = function(form, topCategories) {\n        var selectedValue = getCategorySelectValue(form);\n        return (topCategories.indexOf(selectedValue) > -1);\n    };\n\n    /**\n     * Check if the form indicates we should include include subcategories in\n     * the filter.\n     *\n     * @param {jquery} form The form element.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     * @return {bool}\n     */\n    var shouldIncludeSubcategories = function(form, topCategories) {\n        if (isTopLevelCategorySelected(form, topCategories)) {\n            return true;\n        } else {\n            return form.find(SELECTORS.SUBCATEGORY_FORM_ELEMENT).is(':checked');\n        }\n    };\n\n    /**\n     * Get the tag ids for the selected tags in the form.\n     *\n     * @param {jquery} form The form element.\n     * @return {string[]} The tag ids.\n     */\n    var getTagIds = function(form) {\n        var values = form.find(SELECTORS.TAG_IDS_FORM_ELEMENT).val();\n        return values.map(function(value) {\n            // The tag element value is the tag id and tag name joined\n            // by a comma. So we need to split them to get the tag id.\n            var parts = value.split(',');\n            return parts[0];\n        });\n    };\n\n    /**\n     * Reload the preview section with a new set of filters.\n     *\n     * @param {jquery} form The form element.\n     * @param {int} contextId The current context id.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     */\n    var reloadQuestionPreview = function(form, contextId, topCategories) {\n        var previewContainer = form.find(SELECTORS.PREVIEW_CONTAINER);\n        RandomQuestionFormPreview.reload(\n            previewContainer,\n            getCategoryId(form),\n            shouldIncludeSubcategories(form, topCategories),\n            getTagIds(form),\n            contextId\n        );\n    };\n\n    /**\n     * Is this an element we're interested in listening to changes on.\n     *\n     * @param {jquery} element The element to check.\n     * @return {bool}\n     */\n    var isInterestingElement = function(element) {\n        if (element.closest(SELECTORS.CATEGORY_FORM_ELEMENT).length > 0) {\n            return true;\n        }\n\n        if (element.closest(SELECTORS.SUBCATEGORY_FORM_ELEMENT).length > 0) {\n            return true;\n        }\n\n        if (element.closest(SELECTORS.TAG_IDS_FORM_ELEMENT).length > 0) {\n            return true;\n        }\n\n        return false;\n    };\n\n    /**\n     * Listen for changes to any of the interesting elements and reload the form\n     * preview with the new filter values if they are changed.\n     *\n     * The reload is delayed for a small amount of time (see RELOAD_DELAY) in case\n     * the user is actively editing the form. This allows us to avoid having to\n     * send multiple requests to the server on each change.\n     *\n     * Instead we can just send a single request when the user appears to have\n     * finished editing the form.\n     *\n     * @param {jquery} form The form element.\n     * @param {int} contextId The current context id.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     */\n    var addEventListeners = function(form, contextId, topCategories) {\n        var reloadTimerId = null;\n\n        form.on('change', function(e) {\n            // Only reload the preview when elements that will change the result\n            // are modified.\n            if (!isInterestingElement($(e.target))) {\n                return;\n            }\n\n            // Show the loading icon to let the user know that the preview\n            // will be updated after their actions.\n            RandomQuestionFormPreview.showLoadingIcon(form);\n\n            if (reloadTimerId) {\n                // Reset the timer each time the form is modified.\n                clearTimeout(reloadTimerId);\n            }\n\n            // Don't immediately reload the question preview section just\n            // in case the user is still modifying the form. We don't want to\n            // spam reload requests.\n            reloadTimerId = setTimeout(function() {\n                reloadQuestionPreview(form, contextId, topCategories);\n            }, RELOAD_DELAY);\n        });\n    };\n\n    /**\n     * Trigger the first load of the preview section and then listen for modifications\n     * to the form to reload the preview with new filter values.\n     *\n     * @param {jquery} formId The form element id.\n     * @param {int} contextId The current context id.\n     * @param {string[]} topCategories List of top category values (matching the select box values)\n     * @param {bool} isTagsEnabled Whether tags feature is enabled or not.\n     */\n    var init = function(formId, contextId, topCategories, isTagsEnabled) {\n         if (isTagsEnabled == true) {\n             var form = $('#' + formId);\n             reloadQuestionPreview(form, contextId, topCategories, isTagsEnabled);\n             addEventListeners(form, contextId, topCategories, isTagsEnabled);\n         }\n    };\n\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","RandomQuestionFormPreview","SELECTORS","getCategorySelectValue","form","find","val","shouldIncludeSubcategories","topCategories","selectedValue","indexOf","isTopLevelCategorySelected","is","reloadQuestionPreview","contextId","previewContainer","reload","split","getCategoryId","map","value","getTagIds","addEventListeners","reloadTimerId","on","e","element","target","closest","length","showLoadingIcon","clearTimeout","setTimeout","init","formId","isTagsEnabled"],"mappings":";;;;;;;;AAuBAA,kCACI,CACI,SACA,0CAEJ,SACIC,EACAC,+BAMAC,4BACmB,oDADnBA,gCAEuB,oBAFvBA,mCAG0B,gCAH1BA,+BAIsB,sBAStBC,uBAAyB,SAASC,aAC3BA,KAAKC,KAAKH,iCAAiCI,OAuClDC,2BAA6B,SAASH,KAAMI,uBAbf,SAASJ,KAAMI,mBACxCC,cAAgBN,uBAAuBC,aACnCI,cAAcE,QAAQD,gBAAkB,EAY5CE,CAA2BP,KAAMI,gBAG1BJ,KAAKC,KAAKH,oCAAoCU,GAAG,aA2B5DC,sBAAwB,SAAST,KAAMU,UAAWN,mBAC9CO,iBAAmBX,KAAKC,KAAKH,6BACjCD,0BAA0Be,OACtBD,iBAhEY,SAASX,aAGPD,uBAAuBC,MAEhBa,MAAM,KAEjB,GA0DVC,CAAcd,MACdG,2BAA2BH,KAAMI,eAtBzB,SAASJ,aACRA,KAAKC,KAAKH,gCAAgCI,MACzCa,KAAI,SAASC,cAGXA,MAAMH,MAAM,KACX,MAiBbI,CAAUjB,MACVU,YAyCJQ,kBAAoB,SAASlB,KAAMU,UAAWN,mBAC1Ce,cAAgB,KAEpBnB,KAAKoB,GAAG,UAAU,SAASC,GAlCJ,IAASC,UAAAA,QAqCF1B,EAAEyB,EAAEE,SApCtBC,QAAQ1B,iCAAiC2B,OAAS,GAI1DH,QAAQE,QAAQ1B,oCAAoC2B,OAAS,GAI7DH,QAAQE,QAAQ1B,gCAAgC2B,OAAS,KAkCzD5B,0BAA0B6B,gBAAgB1B,MAEtCmB,eAEAQ,aAAaR,eAMjBA,cAAgBS,YAAW,WACvBnB,sBAAsBT,KAAMU,UAAWN,iBA5JhC,gBAkLZ,CACHyB,KATO,SAASC,OAAQpB,UAAWN,cAAe2B,kBAC5B,GAAjBA,cAAuB,KACnB/B,KAAOJ,EAAE,IAAMkC,QACnBrB,sBAAsBT,KAAMU,UAAWN,eACvCc,kBAAkBlB,KAAMU,UAAWN"}
\ No newline at end of file
diff --git a/mod/quiz/amd/build/add_random_question.min.js b/mod/quiz/amd/build/add_random_question.min.js
index 5096d7f8ba5..de9d4c51c8f 100644
--- a/mod/quiz/amd/build/add_random_question.min.js
+++ b/mod/quiz/amd/build/add_random_question.min.js
@@ -1,2 +1,11 @@
-define ("mod_quiz/add_random_question",["mod_quiz/add_question_modal_launcher","mod_quiz/modal_add_random_question"],function(a,b){return{init:function init(c,d,e,f){a.init(b.TYPE,".menu [data-action=\"addarandomquestion\"]",c,function(a,b){b.setCategory(d);b.setReturnUrl(e);b.setCMID(f)})}}});
-//# sourceMappingURL=add_random_question.min.js.map
+/**
+ * Initialise the add random question modal on the quiz page.
+ *
+ * @module    mod_quiz/add_random_question
+ * @package   mod_quiz
+ * @copyright 2018 Ryan Wyllie <ryan@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_quiz/add_random_question",["mod_quiz/add_question_modal_launcher","mod_quiz/modal_add_random_question"],(function(AddQuestionModalLauncher,ModalAddRandomQuestion){return{init:function(contextId,category,returnUrl,cmid){AddQuestionModalLauncher.init(ModalAddRandomQuestion.TYPE,'.menu [data-action="addarandomquestion"]',contextId,(function(triggerElement,modal){modal.setCategory(category),modal.setReturnUrl(returnUrl),modal.setCMID(cmid)}))}}}));
+
+//# sourceMappingURL=add_random_question.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/add_random_question.min.js.map b/mod/quiz/amd/build/add_random_question.min.js.map
index 671f0f68b61..6c75256caf0 100644
--- a/mod/quiz/amd/build/add_random_question.min.js.map
+++ b/mod/quiz/amd/build/add_random_question.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/add_random_question.js"],"names":["define","AddQuestionModalLauncher","ModalAddRandomQuestion","init","contextId","category","returnUrl","cmid","TYPE","triggerElement","modal","setCategory","setReturnUrl","setCMID"],"mappings":"AAuBAA,OAAM,gCACF,CACI,sCADJ,CAEI,oCAFJ,CADE,CAKF,SACIC,CADJ,CAEIC,CAFJ,CAGE,CAEF,MAAO,CASHC,IAAI,CAAE,cAASC,CAAT,CAAoBC,CAApB,CAA8BC,CAA9B,CAAyCC,CAAzC,CAA+C,CACjDN,CAAwB,CAACE,IAAzB,CACID,CAAsB,CAACM,IAD3B,CAEI,4CAFJ,CAGIJ,CAHJ,CAKI,SAASK,CAAT,CAAyBC,CAAzB,CAAgC,CAC5BA,CAAK,CAACC,WAAN,CAAkBN,CAAlB,EACAK,CAAK,CAACE,YAAN,CAAmBN,CAAnB,EACAI,CAAK,CAACG,OAAN,CAAcN,CAAd,CACH,CATL,CAWH,CArBE,CAuBV,CAjCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Initialise the add random question modal on the quiz page.\n *\n * @module    mod_quiz/add_random_question\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'mod_quiz/add_question_modal_launcher',\n        'mod_quiz/modal_add_random_question'\n    ],\n    function(\n        AddQuestionModalLauncher,\n        ModalAddRandomQuestion\n    ) {\n\n    return {\n        /**\n         * Create the add random question modal.\n         *\n         * @param  {int} contextId Current context id.\n         * @param  {string} category Category id and category context id comma separated.\n         * @param  {string} returnUrl URL to return to after form submission.\n         * @param  {int} cmid Current course module id.\n         */\n        init: function(contextId, category, returnUrl, cmid) {\n            AddQuestionModalLauncher.init(\n                ModalAddRandomQuestion.TYPE,\n                '.menu [data-action=\"addarandomquestion\"]',\n                contextId,\n                // Additional values that should be set before the modal is shown.\n                function(triggerElement, modal) {\n                    modal.setCategory(category);\n                    modal.setReturnUrl(returnUrl);\n                    modal.setCMID(cmid);\n                }\n            );\n        }\n    };\n});\n"],"file":"add_random_question.min.js"}
\ No newline at end of file
+{"version":3,"file":"add_random_question.min.js","sources":["../src/add_random_question.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Initialise the add random question modal on the quiz page.\n *\n * @module    mod_quiz/add_random_question\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'mod_quiz/add_question_modal_launcher',\n        'mod_quiz/modal_add_random_question'\n    ],\n    function(\n        AddQuestionModalLauncher,\n        ModalAddRandomQuestion\n    ) {\n\n    return {\n        /**\n         * Create the add random question modal.\n         *\n         * @param  {int} contextId Current context id.\n         * @param  {string} category Category id and category context id comma separated.\n         * @param  {string} returnUrl URL to return to after form submission.\n         * @param  {int} cmid Current course module id.\n         */\n        init: function(contextId, category, returnUrl, cmid) {\n            AddQuestionModalLauncher.init(\n                ModalAddRandomQuestion.TYPE,\n                '.menu [data-action=\"addarandomquestion\"]',\n                contextId,\n                // Additional values that should be set before the modal is shown.\n                function(triggerElement, modal) {\n                    modal.setCategory(category);\n                    modal.setReturnUrl(returnUrl);\n                    modal.setCMID(cmid);\n                }\n            );\n        }\n    };\n});\n"],"names":["define","AddQuestionModalLauncher","ModalAddRandomQuestion","init","contextId","category","returnUrl","cmid","TYPE","triggerElement","modal","setCategory","setReturnUrl","setCMID"],"mappings":";;;;;;;;AAuBAA,sCACI,CACI,uCACA,uCAEJ,SACIC,yBACAC,8BAGG,CASHC,KAAM,SAASC,UAAWC,SAAUC,UAAWC,MAC3CN,yBAAyBE,KACrBD,uBAAuBM,KACvB,2CACAJ,WAEA,SAASK,eAAgBC,OACrBA,MAAMC,YAAYN,UAClBK,MAAME,aAAaN,WACnBI,MAAMG,QAAQN"}
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diff --git a/mod/quiz/amd/build/modal_add_random_question.min.js b/mod/quiz/amd/build/modal_add_random_question.min.js
index 686fee3869f..9546b0f8209 100644
--- a/mod/quiz/amd/build/modal_add_random_question.min.js
+++ b/mod/quiz/amd/build/modal_add_random_question.min.js
@@ -1,2 +1,11 @@
-define ("mod_quiz/modal_add_random_question",["jquery","core/yui","core/notification","core/modal","core/modal_events","core/modal_registry","core/fragment","core/templates"],function(a,b,c,d,e,f,g,h){var i=!1,j={EXISTING_CATEGORY_CONTAINER:"[data-region=\"existing-category-container\"]",EXISTING_CATEGORY_FORM_ELEMENT:"#id_existingcategoryheader",NEW_CATEGORY_CONTAINER:"[data-region=\"new-category-container\"]",NEW_CATEGORY_FORM_ELEMENT:"#id_newcategoryheader",TAB_CONTENT:"[data-region=\"tab-content\"]",ADD_ON_PAGE_FORM_ELEMENT:"[name=\"addonpage\"]",SUBMIT_BUTTON_ELEMENT:"input[type=\"submit\"]",CANCEL_BUTTON_ELEMENT:"input[type=\"submit\"][name=\"cancel\"]",FORM_HEADER:"legend",BUTTON_CONTAINER:".fitem"},k=function(a){d.call(this,a);this.contextId=null;this.addOnPageId=null;this.category=null;this.returnUrl=null;this.cmid=null;this.loadedForm=!1};k.TYPE="mod_quiz-quiz-add-random-question";k.prototype=Object.create(d.prototype);k.prototype.constructor=k;k.prototype.setContextId=function(a){this.contextId=a};k.prototype.getContextId=function(){return this.contextId};k.prototype.setAddOnPageId=function(a){this.addOnPageId=a;this.getBody().find(j.ADD_ON_PAGE_FORM_ELEMENT).val(a)};k.prototype.getAddOnPageId=function(){return this.addOnPageId};k.prototype.setCategory=function(a){this.category=a};k.prototype.getCategory=function(){return this.category};k.prototype.setReturnUrl=function(a){this.returnUrl=a};k.prototype.getReturnUrl=function(){return this.returnUrl};k.prototype.setCMID=function(a){this.cmid=a};k.prototype.getCMID=function(){return this.cmid};k.prototype.moveFormElementIntoTab=function(b,c){var d=b.find(j.SUBMIT_BUTTON_ELEMENT),e=a("<div class=\"modal-footer mt-1\" data-region=\"footer\"></div>");b.find(j.FORM_HEADER).addClass("hidden");b.wrap(c);d.closest(j.BUTTON_CONTAINER).remove();d.appendTo(e);e.appendTo(b)};k.prototype.moveTabsIntoTabContent=function(a){var b=this.getBody().find(j.TAB_CONTENT).empty();a.find("[role=\"tabpanel\"]").wrapAll(b)};k.prototype.moveCancelButtonToTabs=function(a){var b=a.find(j.CANCEL_BUTTON_ELEMENT).addClass("ml-1"),c=a.find("[data-region=\"footer\"]");b.closest(j.BUTTON_CONTAINER).remove();b.clone().appendTo(c)};k.prototype.loadForm=function(){return g.loadFragment("mod_quiz","add_random_question_form",this.getContextId(),{addonpage:this.getAddOnPageId(),cat:this.getCategory(),returnurl:this.getReturnUrl(),cmid:this.getCMID()}).then(function(b,c){var d=a(b),e=d.find(j.EXISTING_CATEGORY_FORM_ELEMENT),f=this.getBody().find(j.EXISTING_CATEGORY_CONTAINER),g=d.find(j.NEW_CATEGORY_FORM_ELEMENT),i=this.getBody().find(j.NEW_CATEGORY_CONTAINER);this.moveFormElementIntoTab(e,f);this.moveFormElementIntoTab(g,i);this.moveTabsIntoTabContent(d);this.moveCancelButtonToTabs(d);h.replaceNode(this.getBody().find(j.TAB_CONTENT),d,c)}.bind(this)).then(function(){b.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.reset_form_dirty_state()})}).fail(c.exception)};k.prototype.show=function(){d.prototype.show.call(this);if(!this.loadedForm){this.loadForm();this.loadedForm=!0}};if(!i){f.register(k.TYPE,k,"mod_quiz/modal_add_random_question");i=!0}return k});
-//# sourceMappingURL=modal_add_random_question.min.js.map
+/**
+ * Contain the logic for the add random question modal.
+ *
+ * @module     mod_quiz/modal_add_random_question
+ * @package    mod_quiz
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_quiz/modal_add_random_question",["jquery","core/yui","core/notification","core/modal","core/modal_events","core/modal_registry","core/fragment","core/templates"],(function($,Y,Notification,Modal,ModalEvents,ModalRegistry,Fragment,Templates){var registered=!1,SELECTORS_EXISTING_CATEGORY_CONTAINER='[data-region="existing-category-container"]',SELECTORS_EXISTING_CATEGORY_FORM_ELEMENT="#id_existingcategoryheader",SELECTORS_NEW_CATEGORY_CONTAINER='[data-region="new-category-container"]',SELECTORS_NEW_CATEGORY_FORM_ELEMENT="#id_newcategoryheader",SELECTORS_TAB_CONTENT='[data-region="tab-content"]',SELECTORS_ADD_ON_PAGE_FORM_ELEMENT='[name="addonpage"]',SELECTORS_SUBMIT_BUTTON_ELEMENT='input[type="submit"]',SELECTORS_CANCEL_BUTTON_ELEMENT='input[type="submit"][name="cancel"]',SELECTORS_FORM_HEADER="legend",SELECTORS_BUTTON_CONTAINER=".fitem",ModalAddRandomQuestion=function(root){Modal.call(this,root),this.contextId=null,this.addOnPageId=null,this.category=null,this.returnUrl=null,this.cmid=null,this.loadedForm=!1};return ModalAddRandomQuestion.TYPE="mod_quiz-quiz-add-random-question",(ModalAddRandomQuestion.prototype=Object.create(Modal.prototype)).constructor=ModalAddRandomQuestion,ModalAddRandomQuestion.prototype.setContextId=function(id){this.contextId=id},ModalAddRandomQuestion.prototype.getContextId=function(){return this.contextId},ModalAddRandomQuestion.prototype.setAddOnPageId=function(id){this.addOnPageId=id,this.getBody().find(SELECTORS_ADD_ON_PAGE_FORM_ELEMENT).val(id)},ModalAddRandomQuestion.prototype.getAddOnPageId=function(){return this.addOnPageId},ModalAddRandomQuestion.prototype.setCategory=function(category){this.category=category},ModalAddRandomQuestion.prototype.getCategory=function(){return this.category},ModalAddRandomQuestion.prototype.setReturnUrl=function(url){this.returnUrl=url},ModalAddRandomQuestion.prototype.getReturnUrl=function(){return this.returnUrl},ModalAddRandomQuestion.prototype.setCMID=function(id){this.cmid=id},ModalAddRandomQuestion.prototype.getCMID=function(){return this.cmid},ModalAddRandomQuestion.prototype.moveFormElementIntoTab=function(formElement,tabElement){var submitButtons=formElement.find(SELECTORS_SUBMIT_BUTTON_ELEMENT),footer=$('<div class="modal-footer mt-1" data-region="footer"></div>');formElement.find(SELECTORS_FORM_HEADER).addClass("hidden"),formElement.wrap(tabElement),submitButtons.closest(SELECTORS_BUTTON_CONTAINER).remove(),submitButtons.appendTo(footer),footer.appendTo(formElement)},ModalAddRandomQuestion.prototype.moveTabsIntoTabContent=function(form){var tabContent=this.getBody().find(SELECTORS_TAB_CONTENT).empty();form.find('[role="tabpanel"]').wrapAll(tabContent)},ModalAddRandomQuestion.prototype.moveCancelButtonToTabs=function(form){var cancelButton=form.find(SELECTORS_CANCEL_BUTTON_ELEMENT).addClass("ml-1"),tabFooters=form.find('[data-region="footer"]');cancelButton.closest(SELECTORS_BUTTON_CONTAINER).remove(),cancelButton.clone().appendTo(tabFooters)},ModalAddRandomQuestion.prototype.loadForm=function(){return Fragment.loadFragment("mod_quiz","add_random_question_form",this.getContextId(),{addonpage:this.getAddOnPageId(),cat:this.getCategory(),returnurl:this.getReturnUrl(),cmid:this.getCMID()}).then(function(html,js){var form=$(html),existingCategoryFormElement=form.find(SELECTORS_EXISTING_CATEGORY_FORM_ELEMENT),existingCategoryTab=this.getBody().find(SELECTORS_EXISTING_CATEGORY_CONTAINER),newCategoryFormElement=form.find(SELECTORS_NEW_CATEGORY_FORM_ELEMENT),newCategoryTab=this.getBody().find(SELECTORS_NEW_CATEGORY_CONTAINER);this.moveFormElementIntoTab(existingCategoryFormElement,existingCategoryTab),this.moveFormElementIntoTab(newCategoryFormElement,newCategoryTab),this.moveTabsIntoTabContent(form),this.moveCancelButtonToTabs(form),Templates.replaceNode(this.getBody().find(SELECTORS_TAB_CONTENT),form,js)}.bind(this)).then((function(){Y.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.reset_form_dirty_state()}))})).fail(Notification.exception)},ModalAddRandomQuestion.prototype.show=function(){Modal.prototype.show.call(this),this.loadedForm||(this.loadForm(),this.loadedForm=!0)},registered||(ModalRegistry.register(ModalAddRandomQuestion.TYPE,ModalAddRandomQuestion,"mod_quiz/modal_add_random_question"),registered=!0),ModalAddRandomQuestion}));
+
+//# sourceMappingURL=modal_add_random_question.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/modal_add_random_question.min.js.map b/mod/quiz/amd/build/modal_add_random_question.min.js.map
index 8c6d5dd0a3f..702d6e35f64 100644
--- a/mod/quiz/amd/build/modal_add_random_question.min.js.map
+++ b/mod/quiz/amd/build/modal_add_random_question.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the add random question modal.\n *\n * @module     mod_quiz/modal_add_random_question\n * @package    mod_quiz\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/yui',\n    'core/notification',\n    'core/modal',\n    'core/modal_events',\n    'core/modal_registry',\n    'core/fragment',\n    'core/templates',\n],\nfunction(\n    $,\n    Y,\n    Notification,\n    Modal,\n    ModalEvents,\n    ModalRegistry,\n    Fragment,\n    Templates\n) {\n\n    var registered = false;\n    var SELECTORS = {\n        EXISTING_CATEGORY_CONTAINER: '[data-region=\"existing-category-container\"]',\n        EXISTING_CATEGORY_FORM_ELEMENT: '#id_existingcategoryheader',\n        NEW_CATEGORY_CONTAINER: '[data-region=\"new-category-container\"]',\n        NEW_CATEGORY_FORM_ELEMENT: '#id_newcategoryheader',\n        TAB_CONTENT: '[data-region=\"tab-content\"]',\n        ADD_ON_PAGE_FORM_ELEMENT: '[name=\"addonpage\"]',\n        SUBMIT_BUTTON_ELEMENT: 'input[type=\"submit\"]',\n        CANCEL_BUTTON_ELEMENT: 'input[type=\"submit\"][name=\"cancel\"]',\n        FORM_HEADER: 'legend',\n        BUTTON_CONTAINER: '.fitem'\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalAddRandomQuestion = function(root) {\n        Modal.call(this, root);\n        this.contextId = null;\n        this.addOnPageId = null;\n        this.category = null;\n        this.returnUrl = null;\n        this.cmid = null;\n        this.loadedForm = false;\n    };\n\n    ModalAddRandomQuestion.TYPE = 'mod_quiz-quiz-add-random-question';\n    ModalAddRandomQuestion.prototype = Object.create(Modal.prototype);\n    ModalAddRandomQuestion.prototype.constructor = ModalAddRandomQuestion;\n\n    /**\n     * Save the Moodle context id that the question bank is being\n     * rendered in.\n     *\n     * @method setContextId\n     * @param {int} id\n     */\n    ModalAddRandomQuestion.prototype.setContextId = function(id) {\n        this.contextId = id;\n    };\n\n    /**\n     * Retrieve the saved Moodle context id.\n     *\n     * @method getContextId\n     * @return {int}\n     */\n    ModalAddRandomQuestion.prototype.getContextId = function() {\n        return this.contextId;\n    };\n\n    /**\n     * Set the id of the page that the question should be added to\n     * when the user clicks the add to quiz link.\n     *\n     * @method setAddOnPageId\n     * @param {int} id\n     */\n    ModalAddRandomQuestion.prototype.setAddOnPageId = function(id) {\n        this.addOnPageId = id;\n        this.getBody().find(SELECTORS.ADD_ON_PAGE_FORM_ELEMENT).val(id);\n    };\n\n    /**\n     * Returns the saved page id for the question to be added to.\n     *\n     * @method getAddOnPageId\n     * @return {int}\n     */\n    ModalAddRandomQuestion.prototype.getAddOnPageId = function() {\n        return this.addOnPageId;\n    };\n\n    /**\n     * Set the category for this form. The category is a comma separated\n     * category id and category context id.\n     *\n     * @method setCategory\n     * @param {string} category\n     */\n    ModalAddRandomQuestion.prototype.setCategory = function(category) {\n        this.category = category;\n    };\n\n    /**\n     * Returns the saved category.\n     *\n     * @method getCategory\n     * @return {string}\n     */\n    ModalAddRandomQuestion.prototype.getCategory = function() {\n        return this.category;\n    };\n\n    /**\n     * Set the return URL for the form.\n     *\n     * @method setReturnUrl\n     * @param {string} url\n     */\n    ModalAddRandomQuestion.prototype.setReturnUrl = function(url) {\n        this.returnUrl = url;\n    };\n\n    /**\n     * Returns the return URL for the form.\n     *\n     * @method getReturnUrl\n     * @return {string}\n     */\n    ModalAddRandomQuestion.prototype.getReturnUrl = function() {\n        return this.returnUrl;\n    };\n\n    /**\n     * Set the course module id for the form.\n     *\n     * @method setCMID\n     * @param {int} id\n     */\n    ModalAddRandomQuestion.prototype.setCMID = function(id) {\n        this.cmid = id;\n    };\n\n    /**\n     * Returns the course module id for the form.\n     *\n     * @method getCMID\n     * @return {int}\n     */\n    ModalAddRandomQuestion.prototype.getCMID = function() {\n        return this.cmid;\n    };\n\n    /**\n     * Moves a given form element inside (a child of) a given tab element.\n     *\n     * Hides the 'legend' (e.g. header) element of the form element because the\n     * tab has the name.\n     *\n     * Moves the submit button into a footer element at the bottom of the form\n     * element for styling purposes.\n     *\n     * @method moveFormElementIntoTab\n     * @param  {jquery} formElement The form element to move into the tab.\n     * @param  {jquey} tabElement The tab element for the form element to move into.\n     */\n    ModalAddRandomQuestion.prototype.moveFormElementIntoTab = function(formElement, tabElement) {\n        var submitButtons = formElement.find(SELECTORS.SUBMIT_BUTTON_ELEMENT);\n        var footer = $('<div class=\"modal-footer mt-1\" data-region=\"footer\"></div>');\n        // Hide the header because the tabs show us which part of the form we're\n        // looking at.\n        formElement.find(SELECTORS.FORM_HEADER).addClass('hidden');\n        // Move the element inside a tab.\n        formElement.wrap(tabElement);\n        // Remove the buttons container element.\n        submitButtons.closest(SELECTORS.BUTTON_CONTAINER).remove();\n        // Put the button inside a footer.\n        submitButtons.appendTo(footer);\n        // Add the footer to the end of the category form element.\n        footer.appendTo(formElement);\n    };\n\n    /**\n     * Empty the tab content container and move all tabs from the form into the\n     * tab container element.\n     *\n     * @method moveTabsIntoTabContent\n     * @param  {jquery} form The form element.\n     */\n    ModalAddRandomQuestion.prototype.moveTabsIntoTabContent = function(form) {\n        // Empty it to remove the loading icon.\n        var tabContent = this.getBody().find(SELECTORS.TAB_CONTENT).empty();\n        // Make sure all tabs are inside the tab content element.\n        form.find('[role=\"tabpanel\"]').wrapAll(tabContent);\n    };\n\n    /**\n     * Make sure all of the tabs have a cancel button in their fotter to sit along\n     * side the submit button.\n     *\n     * @method moveCancelButtonToTabs\n     * @param  {jquey} form The form element.\n     */\n    ModalAddRandomQuestion.prototype.moveCancelButtonToTabs = function(form) {\n        var cancelButton = form.find(SELECTORS.CANCEL_BUTTON_ELEMENT).addClass('ml-1');\n        var tabFooters = form.find('[data-region=\"footer\"]');\n        // Remove the buttons container element.\n        cancelButton.closest(SELECTORS.BUTTON_CONTAINER).remove();\n        cancelButton.clone().appendTo(tabFooters);\n    };\n\n    /**\n     * Load the add random question form in a fragement and perform some transformation\n     * on the HTML to convert it into tabs for rendering in the modal.\n     *\n     * @method loadForm\n     * @return {promise} Resolved with form HTML and JS.\n     */\n    ModalAddRandomQuestion.prototype.loadForm = function() {\n        return Fragment.loadFragment(\n            'mod_quiz',\n            'add_random_question_form',\n            this.getContextId(),\n            {\n                addonpage: this.getAddOnPageId(),\n                cat: this.getCategory(),\n                returnurl: this.getReturnUrl(),\n                cmid: this.getCMID()\n            }\n        )\n        .then(function(html, js) {\n            var form = $(html);\n            var existingCategoryFormElement = form.find(SELECTORS.EXISTING_CATEGORY_FORM_ELEMENT);\n            var existingCategoryTab = this.getBody().find(SELECTORS.EXISTING_CATEGORY_CONTAINER);\n            var newCategoryFormElement = form.find(SELECTORS.NEW_CATEGORY_FORM_ELEMENT);\n            var newCategoryTab = this.getBody().find(SELECTORS.NEW_CATEGORY_CONTAINER);\n\n            // Transform the form into tabs for better rendering in the modal.\n            this.moveFormElementIntoTab(existingCategoryFormElement, existingCategoryTab);\n            this.moveFormElementIntoTab(newCategoryFormElement, newCategoryTab);\n            this.moveTabsIntoTabContent(form);\n            this.moveCancelButtonToTabs(form);\n\n            Templates.replaceNode(this.getBody().find(SELECTORS.TAB_CONTENT), form, js);\n            return;\n        }.bind(this))\n        .then(function() {\n            // Make sure the form change checker is disabled otherwise it'll\n            // stop the user from navigating away from the page once the modal\n            // is hidden.\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            return;\n        })\n        .fail(Notification.exception);\n    };\n\n    /**\n     * Override the modal show function to load the form when this modal is first\n     * shown.\n     *\n     * @method show\n     */\n    ModalAddRandomQuestion.prototype.show = function() {\n        Modal.prototype.show.call(this);\n\n        if (!this.loadedForm) {\n            this.loadForm();\n            this.loadedForm = true;\n        }\n    };\n\n    // Automatically register with the modal registry the first time this module is\n    // imported so that you can create modals of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(\n            ModalAddRandomQuestion.TYPE,\n            ModalAddRandomQuestion,\n            'mod_quiz/modal_add_random_question'\n        );\n\n        registered = true;\n    }\n\n    return ModalAddRandomQuestion;\n});\n"],"file":"modal_add_random_question.min.js"}
\ No newline at end of file
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If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the add random question modal.\n *\n * @module     mod_quiz/modal_add_random_question\n * @package    mod_quiz\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/yui',\n    'core/notification',\n    'core/modal',\n    'core/modal_events',\n    'core/modal_registry',\n    'core/fragment',\n    'core/templates',\n],\nfunction(\n    $,\n    Y,\n    Notification,\n    Modal,\n    ModalEvents,\n    ModalRegistry,\n    Fragment,\n    Templates\n) {\n\n    var registered = false;\n    var SELECTORS = {\n        EXISTING_CATEGORY_CONTAINER: '[data-region=\"existing-category-container\"]',\n        EXISTING_CATEGORY_FORM_ELEMENT: '#id_existingcategoryheader',\n        NEW_CATEGORY_CONTAINER: '[data-region=\"new-category-container\"]',\n        NEW_CATEGORY_FORM_ELEMENT: '#id_newcategoryheader',\n        TAB_CONTENT: '[data-region=\"tab-content\"]',\n        ADD_ON_PAGE_FORM_ELEMENT: '[name=\"addonpage\"]',\n        SUBMIT_BUTTON_ELEMENT: 'input[type=\"submit\"]',\n        CANCEL_BUTTON_ELEMENT: 'input[type=\"submit\"][name=\"cancel\"]',\n        FORM_HEADER: 'legend',\n        BUTTON_CONTAINER: '.fitem'\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalAddRandomQuestion = function(root) {\n        Modal.call(this, root);\n        this.contextId = null;\n        this.addOnPageId = null;\n        this.category = null;\n        this.returnUrl = null;\n        this.cmid = null;\n        this.loadedForm = false;\n    };\n\n    ModalAddRandomQuestion.TYPE = 'mod_quiz-quiz-add-random-question';\n    ModalAddRandomQuestion.prototype = Object.create(Modal.prototype);\n    ModalAddRandomQuestion.prototype.constructor = ModalAddRandomQuestion;\n\n    /**\n     * Save the Moodle context id that the question bank is being\n     * rendered in.\n     *\n     * @method setContextId\n     * @param {int} id\n     */\n    ModalAddRandomQuestion.prototype.setContextId = function(id) {\n        this.contextId = id;\n    };\n\n    /**\n     * Retrieve the saved Moodle context id.\n     *\n     * @method getContextId\n     * @return {int}\n     */\n    ModalAddRandomQuestion.prototype.getContextId = function() {\n        return this.contextId;\n    };\n\n    /**\n     * Set the id of the page that the question should be added to\n     * when the user clicks the add to quiz link.\n     *\n     * @method setAddOnPageId\n     * @param {int} id\n     */\n    ModalAddRandomQuestion.prototype.setAddOnPageId = function(id) {\n        this.addOnPageId = id;\n        this.getBody().find(SELECTORS.ADD_ON_PAGE_FORM_ELEMENT).val(id);\n    };\n\n    /**\n     * Returns the saved page id for the question to be added to.\n     *\n     * @method getAddOnPageId\n     * @return {int}\n     */\n    ModalAddRandomQuestion.prototype.getAddOnPageId = function() {\n        return this.addOnPageId;\n    };\n\n    /**\n     * Set the category for this form. The category is a comma separated\n     * category id and category context id.\n     *\n     * @method setCategory\n     * @param {string} category\n     */\n    ModalAddRandomQuestion.prototype.setCategory = function(category) {\n        this.category = category;\n    };\n\n    /**\n     * Returns the saved category.\n     *\n     * @method getCategory\n     * @return {string}\n     */\n    ModalAddRandomQuestion.prototype.getCategory = function() {\n        return this.category;\n    };\n\n    /**\n     * Set the return URL for the form.\n     *\n     * @method setReturnUrl\n     * @param {string} url\n     */\n    ModalAddRandomQuestion.prototype.setReturnUrl = function(url) {\n        this.returnUrl = url;\n    };\n\n    /**\n     * Returns the return URL for the form.\n     *\n     * @method getReturnUrl\n     * @return {string}\n     */\n    ModalAddRandomQuestion.prototype.getReturnUrl = function() {\n        return this.returnUrl;\n    };\n\n    /**\n     * Set the course module id for the form.\n     *\n     * @method setCMID\n     * @param {int} id\n     */\n    ModalAddRandomQuestion.prototype.setCMID = function(id) {\n        this.cmid = id;\n    };\n\n    /**\n     * Returns the course module id for the form.\n     *\n     * @method getCMID\n     * @return {int}\n     */\n    ModalAddRandomQuestion.prototype.getCMID = function() {\n        return this.cmid;\n    };\n\n    /**\n     * Moves a given form element inside (a child of) a given tab element.\n     *\n     * Hides the 'legend' (e.g. header) element of the form element because the\n     * tab has the name.\n     *\n     * Moves the submit button into a footer element at the bottom of the form\n     * element for styling purposes.\n     *\n     * @method moveFormElementIntoTab\n     * @param  {jquery} formElement The form element to move into the tab.\n     * @param  {jquey} tabElement The tab element for the form element to move into.\n     */\n    ModalAddRandomQuestion.prototype.moveFormElementIntoTab = function(formElement, tabElement) {\n        var submitButtons = formElement.find(SELECTORS.SUBMIT_BUTTON_ELEMENT);\n        var footer = $('<div class=\"modal-footer mt-1\" data-region=\"footer\"></div>');\n        // Hide the header because the tabs show us which part of the form we're\n        // looking at.\n        formElement.find(SELECTORS.FORM_HEADER).addClass('hidden');\n        // Move the element inside a tab.\n        formElement.wrap(tabElement);\n        // Remove the buttons container element.\n        submitButtons.closest(SELECTORS.BUTTON_CONTAINER).remove();\n        // Put the button inside a footer.\n        submitButtons.appendTo(footer);\n        // Add the footer to the end of the category form element.\n        footer.appendTo(formElement);\n    };\n\n    /**\n     * Empty the tab content container and move all tabs from the form into the\n     * tab container element.\n     *\n     * @method moveTabsIntoTabContent\n     * @param  {jquery} form The form element.\n     */\n    ModalAddRandomQuestion.prototype.moveTabsIntoTabContent = function(form) {\n        // Empty it to remove the loading icon.\n        var tabContent = this.getBody().find(SELECTORS.TAB_CONTENT).empty();\n        // Make sure all tabs are inside the tab content element.\n        form.find('[role=\"tabpanel\"]').wrapAll(tabContent);\n    };\n\n    /**\n     * Make sure all of the tabs have a cancel button in their fotter to sit along\n     * side the submit button.\n     *\n     * @method moveCancelButtonToTabs\n     * @param  {jquey} form The form element.\n     */\n    ModalAddRandomQuestion.prototype.moveCancelButtonToTabs = function(form) {\n        var cancelButton = form.find(SELECTORS.CANCEL_BUTTON_ELEMENT).addClass('ml-1');\n        var tabFooters = form.find('[data-region=\"footer\"]');\n        // Remove the buttons container element.\n        cancelButton.closest(SELECTORS.BUTTON_CONTAINER).remove();\n        cancelButton.clone().appendTo(tabFooters);\n    };\n\n    /**\n     * Load the add random question form in a fragement and perform some transformation\n     * on the HTML to convert it into tabs for rendering in the modal.\n     *\n     * @method loadForm\n     * @return {promise} Resolved with form HTML and JS.\n     */\n    ModalAddRandomQuestion.prototype.loadForm = function() {\n        return Fragment.loadFragment(\n            'mod_quiz',\n            'add_random_question_form',\n            this.getContextId(),\n            {\n                addonpage: this.getAddOnPageId(),\n                cat: this.getCategory(),\n                returnurl: this.getReturnUrl(),\n                cmid: this.getCMID()\n            }\n        )\n        .then(function(html, js) {\n            var form = $(html);\n            var existingCategoryFormElement = form.find(SELECTORS.EXISTING_CATEGORY_FORM_ELEMENT);\n            var existingCategoryTab = this.getBody().find(SELECTORS.EXISTING_CATEGORY_CONTAINER);\n            var newCategoryFormElement = form.find(SELECTORS.NEW_CATEGORY_FORM_ELEMENT);\n            var newCategoryTab = this.getBody().find(SELECTORS.NEW_CATEGORY_CONTAINER);\n\n            // Transform the form into tabs for better rendering in the modal.\n            this.moveFormElementIntoTab(existingCategoryFormElement, existingCategoryTab);\n            this.moveFormElementIntoTab(newCategoryFormElement, newCategoryTab);\n            this.moveTabsIntoTabContent(form);\n            this.moveCancelButtonToTabs(form);\n\n            Templates.replaceNode(this.getBody().find(SELECTORS.TAB_CONTENT), form, js);\n            return;\n        }.bind(this))\n        .then(function() {\n            // Make sure the form change checker is disabled otherwise it'll\n            // stop the user from navigating away from the page once the modal\n            // is hidden.\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n            return;\n        })\n        .fail(Notification.exception);\n    };\n\n    /**\n     * Override the modal show function to load the form when this modal is first\n     * shown.\n     *\n     * @method show\n     */\n    ModalAddRandomQuestion.prototype.show = function() {\n        Modal.prototype.show.call(this);\n\n        if (!this.loadedForm) {\n            this.loadForm();\n            this.loadedForm = true;\n        }\n    };\n\n    // Automatically register with the modal registry the first time this module is\n    // imported so that you can create modals of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(\n            ModalAddRandomQuestion.TYPE,\n            ModalAddRandomQuestion,\n            'mod_quiz/modal_add_random_question'\n        );\n\n        registered = true;\n    }\n\n    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\ No newline at end of file
diff --git a/mod/quiz/amd/build/modal_quiz_question_bank.min.js b/mod/quiz/amd/build/modal_quiz_question_bank.min.js
index 4392f7f1d63..a5fcd9a7b0b 100644
--- a/mod/quiz/amd/build/modal_quiz_question_bank.min.js
+++ b/mod/quiz/amd/build/modal_quiz_question_bank.min.js
@@ -1,2 +1,11 @@
-define ("mod_quiz/modal_quiz_question_bank",["jquery","core/yui","core/notification","core/modal","core/modal_events","core/modal_registry","core/fragment"],function(a,b,c,d,e,f,g){var h=!1,i={ADD_TO_QUIZ_CONTAINER:"td.addtoquizaction",ANCHOR:"a[href]",PREVIEW_CONTAINER:"td.previewaction",SEARCH_OPTIONS:"#advancedsearch",DISPLAY_OPTIONS:"#displayoptions",ADD_QUESTIONS_FORM:"form[action=\"edit.php\"]"},j=function(a){d.call(this,a);this.contextId=null;this.addOnPageId=null};j.TYPE="mod_quiz-quiz-question-bank";j.prototype=Object.create(d.prototype);j.prototype.constructor=j;j.prototype.setContextId=function(a){this.contextId=a};j.prototype.getContextId=function(){return this.contextId};j.prototype.setAddOnPageId=function(a){this.addOnPageId=a};j.prototype.getAddOnPageId=function(){return this.addOnPageId};j.prototype.show=function(){this.reloadBodyContent(window.location.search);return d.prototype.show.call(this)};j.prototype.reloadBodyContent=function(a){var b=g.loadFragment("mod_quiz","quiz_question_bank",this.getContextId(),{querystring:a}).fail(c.exception);this.setBody(b)};j.prototype.handleAddToQuizEvent=function(a,b){var c=b.attr("href")+"&addonpage="+this.getAddOnPageId();b.attr("href",c)};j.prototype.handlePreviewContainerEvent=function(a,b){window.openpopup(a,{url:b.attr("href"),name:"questionpreview",options:["height=600","width=800","top=0","left=0","menubar=0","location=0","scrollbars","resizable","toolbar","status","directories=0","fullscreen=0","dependent"].join(",")})};j.prototype.handleDisplayOptionFormEvent=function(b){b.stopPropagation();b.preventDefault();var c=a(b.target).closest(i.DISPLAY_OPTIONS),d="?"+c.serialize();this.reloadBodyContent(d)};j.prototype.registerDisplayOptionListeners=function(){this.getModal().on("change",i.DISPLAY_OPTIONS,function(b){var c=a(b.target);if(c.attr("aria-autocomplete")){return}this.handleDisplayOptionFormEvent(b)}.bind(this));this.getModal().on("submit",i.DISPLAY_OPTIONS,function(a){this.handleDisplayOptionFormEvent(a)}.bind(this))};j.prototype.registerEventListeners=function(){d.prototype.registerEventListeners.call(this);this.registerDisplayOptionListeners();this.getModal().on("submit",i.ADD_QUESTIONS_FORM,function(b){var c=a(b.currentTarget);a("<input />").attr("type","hidden").attr("name","addonpage").attr("value",this.getAddOnPageId()).appendTo(c)}.bind(this));this.getModal().on("click",i.ANCHOR,function(b){var c=a(b.currentTarget);if(c.closest(i.ADD_TO_QUIZ_CONTAINER).length){this.handleAddToQuizEvent(b,c);return}if(c.closest(i.PREVIEW_CONTAINER).length){this.handlePreviewContainerEvent(b,c);return}if(c.closest(i.SEARCH_OPTIONS).length){return}b.preventDefault();this.reloadBodyContent(c.prop("search"))}.bind(this));this.getRoot().on(e.bodyRendered,function(){b.use("moodle-core-formchangechecker",function(){M.core_formchangechecker.reset_form_dirty_state()})})};if(!h){f.register(j.TYPE,j,"core/modal");h=!0}return j});
-//# sourceMappingURL=modal_quiz_question_bank.min.js.map
+/**
+ * Contain the logic for the question bank modal.
+ *
+ * @module     mod_quiz/modal_quiz_question_bank
+ * @package    mod_quiz
+ * @copyright  2018 Ryan Wyllie <ryan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_quiz/modal_quiz_question_bank",["jquery","core/yui","core/notification","core/modal","core/modal_events","core/modal_registry","core/fragment"],(function($,Y,Notification,Modal,ModalEvents,ModalRegistry,Fragment){var registered=!1,SELECTORS_ADD_TO_QUIZ_CONTAINER="td.addtoquizaction",SELECTORS_ANCHOR="a[href]",SELECTORS_PREVIEW_CONTAINER="td.previewaction",SELECTORS_SEARCH_OPTIONS="#advancedsearch",SELECTORS_DISPLAY_OPTIONS="#displayoptions",SELECTORS_ADD_QUESTIONS_FORM='form[action="edit.php"]',ModalQuizQuestionBank=function(root){Modal.call(this,root),this.contextId=null,this.addOnPageId=null};return ModalQuizQuestionBank.TYPE="mod_quiz-quiz-question-bank",(ModalQuizQuestionBank.prototype=Object.create(Modal.prototype)).constructor=ModalQuizQuestionBank,ModalQuizQuestionBank.prototype.setContextId=function(id){this.contextId=id},ModalQuizQuestionBank.prototype.getContextId=function(){return this.contextId},ModalQuizQuestionBank.prototype.setAddOnPageId=function(id){this.addOnPageId=id},ModalQuizQuestionBank.prototype.getAddOnPageId=function(){return this.addOnPageId},ModalQuizQuestionBank.prototype.show=function(){return this.reloadBodyContent(window.location.search),Modal.prototype.show.call(this)},ModalQuizQuestionBank.prototype.reloadBodyContent=function(queryString){var promise=Fragment.loadFragment("mod_quiz","quiz_question_bank",this.getContextId(),{querystring:queryString}).fail(Notification.exception);this.setBody(promise)},ModalQuizQuestionBank.prototype.handleAddToQuizEvent=function(e,anchorElement){var href=anchorElement.attr("href")+"&addonpage="+this.getAddOnPageId();anchorElement.attr("href",href)},ModalQuizQuestionBank.prototype.handlePreviewContainerEvent=function(e,anchorElement){window.openpopup(e,{url:anchorElement.attr("href"),name:"questionpreview",options:["height=600","width=800","top=0","left=0","menubar=0","location=0","scrollbars","resizable","toolbar","status","directories=0","fullscreen=0","dependent"].join(",")})},ModalQuizQuestionBank.prototype.handleDisplayOptionFormEvent=function(e){e.stopPropagation(),e.preventDefault();var queryString="?"+$(e.target).closest(SELECTORS_DISPLAY_OPTIONS).serialize();this.reloadBodyContent(queryString)},ModalQuizQuestionBank.prototype.registerDisplayOptionListeners=function(){this.getModal().on("change",SELECTORS_DISPLAY_OPTIONS,function(e){$(e.target).attr("aria-autocomplete")||this.handleDisplayOptionFormEvent(e)}.bind(this)),this.getModal().on("submit",SELECTORS_DISPLAY_OPTIONS,function(e){this.handleDisplayOptionFormEvent(e)}.bind(this))},ModalQuizQuestionBank.prototype.registerEventListeners=function(){Modal.prototype.registerEventListeners.call(this),this.registerDisplayOptionListeners(),this.getModal().on("submit",SELECTORS_ADD_QUESTIONS_FORM,function(e){var formElement=$(e.currentTarget);$("<input />").attr("type","hidden").attr("name","addonpage").attr("value",this.getAddOnPageId()).appendTo(formElement)}.bind(this)),this.getModal().on("click",SELECTORS_ANCHOR,function(e){var anchorElement=$(e.currentTarget);anchorElement.closest(SELECTORS_ADD_TO_QUIZ_CONTAINER).length?this.handleAddToQuizEvent(e,anchorElement):anchorElement.closest(SELECTORS_PREVIEW_CONTAINER).length?this.handlePreviewContainerEvent(e,anchorElement):anchorElement.closest(SELECTORS_SEARCH_OPTIONS).length||(e.preventDefault(),this.reloadBodyContent(anchorElement.prop("search")))}.bind(this)),this.getRoot().on(ModalEvents.bodyRendered,(function(){Y.use("moodle-core-formchangechecker",(function(){M.core_formchangechecker.reset_form_dirty_state()}))}))},registered||(ModalRegistry.register(ModalQuizQuestionBank.TYPE,ModalQuizQuestionBank,"core/modal"),registered=!0),ModalQuizQuestionBank}));
+
+//# sourceMappingURL=modal_quiz_question_bank.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/modal_quiz_question_bank.min.js.map b/mod/quiz/amd/build/modal_quiz_question_bank.min.js.map
index 4609cb995c0..00633491b21 100644
--- a/mod/quiz/amd/build/modal_quiz_question_bank.min.js.map
+++ b/mod/quiz/amd/build/modal_quiz_question_bank.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the question bank modal.\n *\n * @module     mod_quiz/modal_quiz_question_bank\n * @package    mod_quiz\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/yui',\n    'core/notification',\n    'core/modal',\n    'core/modal_events',\n    'core/modal_registry',\n    'core/fragment'\n],\nfunction(\n    $,\n    Y,\n    Notification,\n    Modal,\n    ModalEvents,\n    ModalRegistry,\n    Fragment\n) {\n\n    var registered = false;\n    var SELECTORS = {\n        ADD_TO_QUIZ_CONTAINER: 'td.addtoquizaction',\n        ANCHOR: 'a[href]',\n        PREVIEW_CONTAINER: 'td.previewaction',\n        SEARCH_OPTIONS: '#advancedsearch',\n        DISPLAY_OPTIONS: '#displayoptions',\n        ADD_QUESTIONS_FORM: 'form[action=\"edit.php\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalQuizQuestionBank = function(root) {\n        Modal.call(this, root);\n\n        this.contextId = null;\n        this.addOnPageId = null;\n    };\n\n    ModalQuizQuestionBank.TYPE = 'mod_quiz-quiz-question-bank';\n    ModalQuizQuestionBank.prototype = Object.create(Modal.prototype);\n    ModalQuizQuestionBank.prototype.constructor = ModalQuizQuestionBank;\n\n    /**\n     * Save the Moodle context id that the question bank is being\n     * rendered in.\n     *\n     * @method setContextId\n     * @param {int} id\n     */\n    ModalQuizQuestionBank.prototype.setContextId = function(id) {\n        this.contextId = id;\n    };\n\n    /**\n     * Retrieve the saved Moodle context id.\n     *\n     * @method getContextId\n     * @return {int}\n     */\n    ModalQuizQuestionBank.prototype.getContextId = function() {\n        return this.contextId;\n    };\n\n    /**\n     * Set the id of the page that the question should be added to\n     * when the user clicks the add to quiz link.\n     *\n     * @method setAddOnPageId\n     * @param {int} id\n     */\n    ModalQuizQuestionBank.prototype.setAddOnPageId = function(id) {\n        this.addOnPageId = id;\n    };\n\n    /**\n     * Returns the saved page id for the question to be added it.\n     *\n     * @method getAddOnPageId\n     * @return {int}\n     */\n    ModalQuizQuestionBank.prototype.getAddOnPageId = function() {\n        return this.addOnPageId;\n    };\n\n    /**\n     * Override the parent show function.\n     *\n     * Reload the body contents when the modal is shown. The current\n     * window URL is used to inform the new content that should be\n     * displayed.\n     *\n     * @method show\n     * @return {void}\n     */\n    ModalQuizQuestionBank.prototype.show = function() {\n        this.reloadBodyContent(window.location.search);\n        return Modal.prototype.show.call(this);\n    };\n\n    /**\n     * Replaces the current body contents with a new version of the question\n     * bank.\n     *\n     * The contents of the question bank are generated using the provided\n     * query string.\n     *\n     * @method reloadBodyContent\n     * @param {string} queryString URL encoded string.\n     */\n    ModalQuizQuestionBank.prototype.reloadBodyContent = function(queryString) {\n        // Load the question bank fragment to be displayed in the modal.\n        var promise = Fragment.loadFragment(\n            'mod_quiz',\n            'quiz_question_bank',\n            this.getContextId(),\n            {\n                querystring: queryString\n            }\n        ).fail(Notification.exception);\n\n        this.setBody(promise);\n    };\n\n    /**\n     * Update the URL of the anchor element that the user clicked on to make\n     * sure that the question is added to the correct page.\n     *\n     * @method handleAddToQuizEvent\n     * @param {event} e A JavaScript event\n     * @param {object} anchorElement The anchor element that was triggered\n     */\n    ModalQuizQuestionBank.prototype.handleAddToQuizEvent = function(e, anchorElement) {\n        // If the user clicks the plus icon to add the question to the page\n        // directly then we need to intercept the click in order to adjust the\n        // href and include the correct add on page id before the page is\n        // redirected.\n        var href = anchorElement.attr('href') + '&addonpage=' + this.getAddOnPageId();\n        anchorElement.attr('href', href);\n    };\n\n    /**\n     * Open a popup window to show the preview of the question.\n     *\n     * @method handlePreviewContainerEvent\n     * @param {event} e A JavaScript event\n     * @param {object} anchorElement The anchor element that was triggered\n     */\n    ModalQuizQuestionBank.prototype.handlePreviewContainerEvent = function(e, anchorElement) {\n        var popupOptions = [\n            'height=600',\n            'width=800',\n            'top=0',\n            'left=0',\n            'menubar=0',\n            'location=0',\n            'scrollbars',\n            'resizable',\n            'toolbar',\n            'status',\n            'directories=0',\n            'fullscreen=0',\n            'dependent'\n        ];\n        window.openpopup(e, {\n            url: anchorElement.attr('href'),\n            name: 'questionpreview',\n            options: popupOptions.join(',')\n        });\n    };\n\n    /**\n     * Reload the modal body with the new display options the user has selected.\n     *\n     * A query string is built using the form elements to be used to generate the\n     * new body content.\n     *\n     * @method handleDisplayOptionFormEvent\n     * @param {event} e A JavaScript event\n     */\n    ModalQuizQuestionBank.prototype.handleDisplayOptionFormEvent = function(e) {\n        // Stop propagation to prevent other wild event handlers\n        // from submitting the form on change.\n        e.stopPropagation();\n        e.preventDefault();\n\n        var form = $(e.target).closest(SELECTORS.DISPLAY_OPTIONS);\n        var queryString = '?' + form.serialize();\n        this.reloadBodyContent(queryString);\n    };\n\n    /**\n     * Listen for changes to the display options form.\n     *\n     * This handles the user changing:\n     *      - The quiz category select box\n     *      - The tags to filter by\n     *      - Show/hide questions from sub categories\n     *      - Show/hide old questions\n     *\n     * @method registerDisplayOptionListeners\n     */\n    ModalQuizQuestionBank.prototype.registerDisplayOptionListeners = function() {\n        // Listen for changes to the display options form.\n        this.getModal().on('change', SELECTORS.DISPLAY_OPTIONS, function(e) {\n            // Get the element that was changed.\n            var modifiedElement = $(e.target);\n            if (modifiedElement.attr('aria-autocomplete')) {\n                // If the element that was change is the autocomplete\n                // input then we should ignore it because that is for\n                // display purposes only.\n                return;\n            }\n\n            this.handleDisplayOptionFormEvent(e);\n        }.bind(this));\n\n        // Listen for the display options form submission because the tags\n        // filter will submit the form when it is changed.\n        this.getModal().on('submit', SELECTORS.DISPLAY_OPTIONS, function(e) {\n            this.handleDisplayOptionFormEvent(e);\n        }.bind(this));\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    ModalQuizQuestionBank.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        // Set up the event handlers for all of the display options.\n        this.registerDisplayOptionListeners();\n\n        this.getModal().on('submit', SELECTORS.ADD_QUESTIONS_FORM, function(e) {\n            // If the user clicks on the \"Add selected questions to the quiz\" button to add some questions to the page\n            // then we need to intercept the submit in order to include the correct \"add on page id\" before the form is\n            // submitted.\n            var formElement = $(e.currentTarget);\n\n            $('<input />').attr('type', 'hidden')\n                .attr('name', \"addonpage\")\n                .attr('value', this.getAddOnPageId())\n                .appendTo(formElement);\n        }.bind(this));\n\n        this.getModal().on('click', SELECTORS.ANCHOR, function(e) {\n            var anchorElement = $(e.currentTarget);\n\n            // If the anchor element was the add to quiz link.\n            if (anchorElement.closest(SELECTORS.ADD_TO_QUIZ_CONTAINER).length) {\n                this.handleAddToQuizEvent(e, anchorElement);\n                return;\n            }\n\n            // If the anchor element was a preview question link.\n            if (anchorElement.closest(SELECTORS.PREVIEW_CONTAINER).length) {\n                this.handlePreviewContainerEvent(e, anchorElement);\n                return;\n            }\n\n            // Click on expand/collaspse search-options. Has its own handler.\n            // We should not interfere.\n            if (anchorElement.closest(SELECTORS.SEARCH_OPTIONS).length) {\n                return;\n            }\n\n            // Anything else means reload the pop-up contents.\n            e.preventDefault();\n            this.reloadBodyContent(anchorElement.prop('search'));\n        }.bind(this));\n\n        // Disable the form change checker when the body is rendered.\n        this.getRoot().on(ModalEvents.bodyRendered, function() {\n            // Make sure the form change checker is disabled otherwise it'll\n            // stop the user from navigating away from the page once the modal\n            // is hidden.\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n        });\n    };\n\n    // Automatically register with the modal registry the first time this module is\n    // imported so that you can create modals of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(\n            ModalQuizQuestionBank.TYPE,\n            ModalQuizQuestionBank,\n            'core/modal'\n        );\n\n        registered = true;\n    }\n\n    return ModalQuizQuestionBank;\n});\n"],"file":"modal_quiz_question_bank.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal_quiz_question_bank.min.js","sources":["../src/modal_quiz_question_bank.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for the question bank modal.\n *\n * @module     mod_quiz/modal_quiz_question_bank\n * @package    mod_quiz\n * @copyright  2018 Ryan Wyllie <ryan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n    'jquery',\n    'core/yui',\n    'core/notification',\n    'core/modal',\n    'core/modal_events',\n    'core/modal_registry',\n    'core/fragment'\n],\nfunction(\n    $,\n    Y,\n    Notification,\n    Modal,\n    ModalEvents,\n    ModalRegistry,\n    Fragment\n) {\n\n    var registered = false;\n    var SELECTORS = {\n        ADD_TO_QUIZ_CONTAINER: 'td.addtoquizaction',\n        ANCHOR: 'a[href]',\n        PREVIEW_CONTAINER: 'td.previewaction',\n        SEARCH_OPTIONS: '#advancedsearch',\n        DISPLAY_OPTIONS: '#displayoptions',\n        ADD_QUESTIONS_FORM: 'form[action=\"edit.php\"]',\n    };\n\n    /**\n     * Constructor for the Modal.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var ModalQuizQuestionBank = function(root) {\n        Modal.call(this, root);\n\n        this.contextId = null;\n        this.addOnPageId = null;\n    };\n\n    ModalQuizQuestionBank.TYPE = 'mod_quiz-quiz-question-bank';\n    ModalQuizQuestionBank.prototype = Object.create(Modal.prototype);\n    ModalQuizQuestionBank.prototype.constructor = ModalQuizQuestionBank;\n\n    /**\n     * Save the Moodle context id that the question bank is being\n     * rendered in.\n     *\n     * @method setContextId\n     * @param {int} id\n     */\n    ModalQuizQuestionBank.prototype.setContextId = function(id) {\n        this.contextId = id;\n    };\n\n    /**\n     * Retrieve the saved Moodle context id.\n     *\n     * @method getContextId\n     * @return {int}\n     */\n    ModalQuizQuestionBank.prototype.getContextId = function() {\n        return this.contextId;\n    };\n\n    /**\n     * Set the id of the page that the question should be added to\n     * when the user clicks the add to quiz link.\n     *\n     * @method setAddOnPageId\n     * @param {int} id\n     */\n    ModalQuizQuestionBank.prototype.setAddOnPageId = function(id) {\n        this.addOnPageId = id;\n    };\n\n    /**\n     * Returns the saved page id for the question to be added it.\n     *\n     * @method getAddOnPageId\n     * @return {int}\n     */\n    ModalQuizQuestionBank.prototype.getAddOnPageId = function() {\n        return this.addOnPageId;\n    };\n\n    /**\n     * Override the parent show function.\n     *\n     * Reload the body contents when the modal is shown. The current\n     * window URL is used to inform the new content that should be\n     * displayed.\n     *\n     * @method show\n     * @return {void}\n     */\n    ModalQuizQuestionBank.prototype.show = function() {\n        this.reloadBodyContent(window.location.search);\n        return Modal.prototype.show.call(this);\n    };\n\n    /**\n     * Replaces the current body contents with a new version of the question\n     * bank.\n     *\n     * The contents of the question bank are generated using the provided\n     * query string.\n     *\n     * @method reloadBodyContent\n     * @param {string} queryString URL encoded string.\n     */\n    ModalQuizQuestionBank.prototype.reloadBodyContent = function(queryString) {\n        // Load the question bank fragment to be displayed in the modal.\n        var promise = Fragment.loadFragment(\n            'mod_quiz',\n            'quiz_question_bank',\n            this.getContextId(),\n            {\n                querystring: queryString\n            }\n        ).fail(Notification.exception);\n\n        this.setBody(promise);\n    };\n\n    /**\n     * Update the URL of the anchor element that the user clicked on to make\n     * sure that the question is added to the correct page.\n     *\n     * @method handleAddToQuizEvent\n     * @param {event} e A JavaScript event\n     * @param {object} anchorElement The anchor element that was triggered\n     */\n    ModalQuizQuestionBank.prototype.handleAddToQuizEvent = function(e, anchorElement) {\n        // If the user clicks the plus icon to add the question to the page\n        // directly then we need to intercept the click in order to adjust the\n        // href and include the correct add on page id before the page is\n        // redirected.\n        var href = anchorElement.attr('href') + '&addonpage=' + this.getAddOnPageId();\n        anchorElement.attr('href', href);\n    };\n\n    /**\n     * Open a popup window to show the preview of the question.\n     *\n     * @method handlePreviewContainerEvent\n     * @param {event} e A JavaScript event\n     * @param {object} anchorElement The anchor element that was triggered\n     */\n    ModalQuizQuestionBank.prototype.handlePreviewContainerEvent = function(e, anchorElement) {\n        var popupOptions = [\n            'height=600',\n            'width=800',\n            'top=0',\n            'left=0',\n            'menubar=0',\n            'location=0',\n            'scrollbars',\n            'resizable',\n            'toolbar',\n            'status',\n            'directories=0',\n            'fullscreen=0',\n            'dependent'\n        ];\n        window.openpopup(e, {\n            url: anchorElement.attr('href'),\n            name: 'questionpreview',\n            options: popupOptions.join(',')\n        });\n    };\n\n    /**\n     * Reload the modal body with the new display options the user has selected.\n     *\n     * A query string is built using the form elements to be used to generate the\n     * new body content.\n     *\n     * @method handleDisplayOptionFormEvent\n     * @param {event} e A JavaScript event\n     */\n    ModalQuizQuestionBank.prototype.handleDisplayOptionFormEvent = function(e) {\n        // Stop propagation to prevent other wild event handlers\n        // from submitting the form on change.\n        e.stopPropagation();\n        e.preventDefault();\n\n        var form = $(e.target).closest(SELECTORS.DISPLAY_OPTIONS);\n        var queryString = '?' + form.serialize();\n        this.reloadBodyContent(queryString);\n    };\n\n    /**\n     * Listen for changes to the display options form.\n     *\n     * This handles the user changing:\n     *      - The quiz category select box\n     *      - The tags to filter by\n     *      - Show/hide questions from sub categories\n     *      - Show/hide old questions\n     *\n     * @method registerDisplayOptionListeners\n     */\n    ModalQuizQuestionBank.prototype.registerDisplayOptionListeners = function() {\n        // Listen for changes to the display options form.\n        this.getModal().on('change', SELECTORS.DISPLAY_OPTIONS, function(e) {\n            // Get the element that was changed.\n            var modifiedElement = $(e.target);\n            if (modifiedElement.attr('aria-autocomplete')) {\n                // If the element that was change is the autocomplete\n                // input then we should ignore it because that is for\n                // display purposes only.\n                return;\n            }\n\n            this.handleDisplayOptionFormEvent(e);\n        }.bind(this));\n\n        // Listen for the display options form submission because the tags\n        // filter will submit the form when it is changed.\n        this.getModal().on('submit', SELECTORS.DISPLAY_OPTIONS, function(e) {\n            this.handleDisplayOptionFormEvent(e);\n        }.bind(this));\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    ModalQuizQuestionBank.prototype.registerEventListeners = function() {\n        // Apply parent event listeners.\n        Modal.prototype.registerEventListeners.call(this);\n\n        // Set up the event handlers for all of the display options.\n        this.registerDisplayOptionListeners();\n\n        this.getModal().on('submit', SELECTORS.ADD_QUESTIONS_FORM, function(e) {\n            // If the user clicks on the \"Add selected questions to the quiz\" button to add some questions to the page\n            // then we need to intercept the submit in order to include the correct \"add on page id\" before the form is\n            // submitted.\n            var formElement = $(e.currentTarget);\n\n            $('<input />').attr('type', 'hidden')\n                .attr('name', \"addonpage\")\n                .attr('value', this.getAddOnPageId())\n                .appendTo(formElement);\n        }.bind(this));\n\n        this.getModal().on('click', SELECTORS.ANCHOR, function(e) {\n            var anchorElement = $(e.currentTarget);\n\n            // If the anchor element was the add to quiz link.\n            if (anchorElement.closest(SELECTORS.ADD_TO_QUIZ_CONTAINER).length) {\n                this.handleAddToQuizEvent(e, anchorElement);\n                return;\n            }\n\n            // If the anchor element was a preview question link.\n            if (anchorElement.closest(SELECTORS.PREVIEW_CONTAINER).length) {\n                this.handlePreviewContainerEvent(e, anchorElement);\n                return;\n            }\n\n            // Click on expand/collaspse search-options. Has its own handler.\n            // We should not interfere.\n            if (anchorElement.closest(SELECTORS.SEARCH_OPTIONS).length) {\n                return;\n            }\n\n            // Anything else means reload the pop-up contents.\n            e.preventDefault();\n            this.reloadBodyContent(anchorElement.prop('search'));\n        }.bind(this));\n\n        // Disable the form change checker when the body is rendered.\n        this.getRoot().on(ModalEvents.bodyRendered, function() {\n            // Make sure the form change checker is disabled otherwise it'll\n            // stop the user from navigating away from the page once the modal\n            // is hidden.\n            Y.use('moodle-core-formchangechecker', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n            });\n        });\n    };\n\n    // Automatically register with the modal registry the first time this module is\n    // imported so that you can create modals of this type using the modal factory.\n    if (!registered) {\n        ModalRegistry.register(\n            ModalQuizQuestionBank.TYPE,\n            ModalQuizQuestionBank,\n            'core/modal'\n        );\n\n        registered = true;\n    }\n\n    return ModalQuizQuestionBank;\n});\n"],"names":["define","$","Y","Notification","Modal","ModalEvents","ModalRegistry","Fragment","registered","SELECTORS","ModalQuizQuestionBank","root","call","this","contextId","addOnPageId","TYPE","prototype","Object","create","constructor","setContextId","id","getContextId","setAddOnPageId","getAddOnPageId","show","reloadBodyContent","window","location","search","queryString","promise","loadFragment","querystring","fail","exception","setBody","handleAddToQuizEvent","e","anchorElement","href","attr","handlePreviewContainerEvent","openpopup","url","name","options","join","handleDisplayOptionFormEvent","stopPropagation","preventDefault","target","closest","serialize","registerDisplayOptionListeners","getModal","on","bind","registerEventListeners","formElement","currentTarget","appendTo","length","prop","getRoot","bodyRendered","use","M","core_formchangechecker","reset_form_dirty_state","register"],"mappings":";;;;;;;;AAuBAA,2CAAO,CACH,SACA,WACA,oBACA,aACA,oBACA,sBACA,kBAEJ,SACIC,EACAC,EACAC,aACAC,MACAC,YACAC,cACAC,cAGIC,YAAa,EACbC,gCACuB,qBADvBA,iBAEQ,UAFRA,4BAGmB,mBAHnBA,yBAIgB,kBAJhBA,0BAKiB,kBALjBA,6BAMoB,0BAQpBC,sBAAwB,SAASC,MACjCP,MAAMQ,KAAKC,KAAMF,WAEZG,UAAY,UACZC,YAAc,aAGvBL,sBAAsBM,KAAO,+BAC7BN,sBAAsBO,UAAYC,OAAOC,OAAOf,MAAMa,YACtBG,YAAcV,sBAS9CA,sBAAsBO,UAAUI,aAAe,SAASC,SAC/CR,UAAYQ,IASrBZ,sBAAsBO,UAAUM,aAAe,kBACpCV,KAAKC,WAUhBJ,sBAAsBO,UAAUO,eAAiB,SAASF,SACjDP,YAAcO,IASvBZ,sBAAsBO,UAAUQ,eAAiB,kBACtCZ,KAAKE,aAahBL,sBAAsBO,UAAUS,KAAO,uBAC9BC,kBAAkBC,OAAOC,SAASC,QAChC1B,MAAMa,UAAUS,KAAKd,KAAKC,OAarCH,sBAAsBO,UAAUU,kBAAoB,SAASI,iBAErDC,QAAUzB,SAAS0B,aACnB,WACA,qBACApB,KAAKU,eACL,CACIW,YAAaH,cAEnBI,KAAKhC,aAAaiC,gBAEfC,QAAQL,UAWjBtB,sBAAsBO,UAAUqB,qBAAuB,SAASC,EAAGC,mBAK3DC,KAAOD,cAAcE,KAAK,QAAU,cAAgB7B,KAAKY,iBAC7De,cAAcE,KAAK,OAAQD,OAU/B/B,sBAAsBO,UAAU0B,4BAA8B,SAASJ,EAAGC,eAgBtEZ,OAAOgB,UAAUL,EAAG,CAChBM,IAAKL,cAAcE,KAAK,QACxBI,KAAM,kBACNC,QAlBe,CACf,aACA,YACA,QACA,SACA,YACA,aACA,aACA,YACA,UACA,SACA,gBACA,eACA,aAKsBC,KAAK,QAanCtC,sBAAsBO,UAAUgC,6BAA+B,SAASV,GAGpEA,EAAEW,kBACFX,EAAEY,qBAGEpB,YAAc,IADP9B,EAAEsC,EAAEa,QAAQC,QAAQ5C,2BACF6C,iBACxB3B,kBAAkBI,cAc3BrB,sBAAsBO,UAAUsC,+BAAiC,gBAExDC,WAAWC,GAAG,SAAUhD,0BAA2B,SAAS8B,GAEvCtC,EAAEsC,EAAEa,QACNV,KAAK,2BAOpBO,6BAA6BV,IACpCmB,KAAK7C,YAIF2C,WAAWC,GAAG,SAAUhD,0BAA2B,SAAS8B,QACxDU,6BAA6BV,IACpCmB,KAAK7C,QAQXH,sBAAsBO,UAAU0C,uBAAyB,WAErDvD,MAAMa,UAAU0C,uBAAuB/C,KAAKC,WAGvC0C,sCAEAC,WAAWC,GAAG,SAAUhD,6BAA8B,SAAS8B,OAI5DqB,YAAc3D,EAAEsC,EAAEsB,eAEtB5D,EAAE,aAAayC,KAAK,OAAQ,UACvBA,KAAK,OAAQ,aACbA,KAAK,QAAS7B,KAAKY,kBACnBqC,SAASF,cAChBF,KAAK7C,YAEF2C,WAAWC,GAAG,QAAShD,iBAAkB,SAAS8B,OAC/CC,cAAgBvC,EAAEsC,EAAEsB,eAGpBrB,cAAca,QAAQ5C,iCAAiCsD,YAClDzB,qBAAqBC,EAAGC,eAK7BA,cAAca,QAAQ5C,6BAA6BsD,YAC9CpB,4BAA4BJ,EAAGC,eAMpCA,cAAca,QAAQ5C,0BAA0BsD,SAKpDxB,EAAEY,sBACGxB,kBAAkBa,cAAcwB,KAAK,aAC5CN,KAAK7C,YAGFoD,UAAUR,GAAGpD,YAAY6D,cAAc,WAIxChE,EAAEiE,IAAI,iCAAiC,WACnCC,EAAEC,uBAAuBC,gCAOhC9D,aACDF,cAAciE,SACV7D,sBAAsBM,KACtBN,sBACA,cAGJF,YAAa,GAGVE"}
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diff --git a/mod/quiz/amd/build/preflightcheck.min.js b/mod/quiz/amd/build/preflightcheck.min.js
index d8ceafb49d4..08aef7b308f 100644
--- a/mod/quiz/amd/build/preflightcheck.min.js
+++ b/mod/quiz/amd/build/preflightcheck.min.js
@@ -1,2 +1,16 @@
-define ("mod_quiz/preflightcheck",["jquery","core/yui"],function(a,b){var c={confirmDialogue:null,init:function init(a,d,e,f){var g=a;b.use("moodle-core-notification",function(){if(b.one(e)){c.confirmDialogue=new M.core.dialogue({headerContent:d,bodyContent:b.one(e),draggable:!0,visible:!1,center:!0,modal:!0,width:null,extraClasses:["mod_quiz_preflight_popup"]});b.one(a).on("click",c.displayDialogue);b.one("#id_cancel").on("click",c.hideDialogue);g=c.confirmDialogue.get("boundingBox").one("[name=\"submitbutton\"]")}if(f){b.one(g).on("click",c.launchQuizPopup,c,f)}})},displayDialogue:function displayDialogue(a){if(a){a.halt()}c.confirmDialogue.show()},hideDialogue:function hideDialogue(a){if(a){a.halt()}c.confirmDialogue.hide(a)},launchQuizPopup:function launchQuizPopup(a,c){a.halt();b.use("moodle-core-formchangechecker","io-form",function(){M.core_formchangechecker.reset_form_dirty_state();var d=a.target.ancestor("form");window.openpopup(a,{url:d.get("action")+"?"+b.IO.stringify(d).replace(/\bcancel=/,"x="),windowname:"quizpopup",options:c,fullscreen:!0})})}};return c});
-//# sourceMappingURL=preflightcheck.min.js.map
+/**
+ * This class manages the confirmation pop-up (also called the pre-flight check)
+ * that is sometimes shown when a use clicks the start attempt button.
+ *
+ * This is also responsible for opening the pop-up window, if the quiz requires to be in one.
+ *
+ * @module    mod_quiz/preflightcheck
+ * @class     preflightcheck
+ * @package   mod_quiz
+ * @copyright 2016 The Open University
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since     3.1
+ */
+define("mod_quiz/preflightcheck",["jquery","core/yui"],(function($,Y){var t={confirmDialogue:null,init:function(startButton,confirmationTitle,confirmationForm,popupoptions){var finalStartButton=startButton;Y.use("moodle-core-notification",(function(){Y.one(confirmationForm)&&(t.confirmDialogue=new M.core.dialogue({headerContent:confirmationTitle,bodyContent:Y.one(confirmationForm),draggable:!0,visible:!1,center:!0,modal:!0,width:null,extraClasses:["mod_quiz_preflight_popup"]}),Y.one(startButton).on("click",t.displayDialogue),Y.one("#id_cancel").on("click",t.hideDialogue),finalStartButton=t.confirmDialogue.get("boundingBox").one('[name="submitbutton"]')),popupoptions&&Y.one(finalStartButton).on("click",t.launchQuizPopup,t,popupoptions)}))},displayDialogue:function(e){e&&e.halt(),t.confirmDialogue.show()},hideDialogue:function(e){e&&e.halt(),t.confirmDialogue.hide(e)},launchQuizPopup:function(e,popupoptions){e.halt(),Y.use("moodle-core-formchangechecker","io-form",(function(){M.core_formchangechecker.reset_form_dirty_state();var form=e.target.ancestor("form");window.openpopup(e,{url:form.get("action")+"?"+Y.IO.stringify(form).replace(/\bcancel=/,"x="),windowname:"quizpopup",options:popupoptions,fullscreen:!0})}))}};return t}));
+
+//# sourceMappingURL=preflightcheck.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/preflightcheck.min.js.map b/mod/quiz/amd/build/preflightcheck.min.js.map
index 655f82a9c48..d8f9bbe67e3 100644
--- a/mod/quiz/amd/build/preflightcheck.min.js.map
+++ b/mod/quiz/amd/build/preflightcheck.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This class manages the confirmation pop-up (also called the pre-flight check)\n * that is sometimes shown when a use clicks the start attempt button.\n *\n * This is also responsible for opening the pop-up window, if the quiz requires to be in one.\n *\n * @module    mod_quiz/preflightcheck\n * @class     preflightcheck\n * @package   mod_quiz\n * @copyright 2016 The Open University\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since     3.1\n */\ndefine(['jquery', 'core/yui'], function($, Y) {\n\n    /**\n     * @alias module:mod_quiz/preflightcheck\n     */\n    var t = {\n        confirmDialogue: null,\n\n        /**\n         * Initialise the start attempt button.\n         *\n         * @param {String} startButton the id of the start attempt button that we will be enhancing.\n         * @param {String} confirmationTitle the title of the dialogue.\n         * @param {String} confirmationForm selector for the confirmation form to show in the dialogue.\n         * @param {String} popupoptions If not null, the quiz should be launced in a pop-up.\n         */\n        init: function(startButton, confirmationTitle, confirmationForm, popupoptions) {\n            var finalStartButton = startButton;\n\n            Y.use('moodle-core-notification', function() {\n                if (Y.one(confirmationForm)) {\n                    t.confirmDialogue = new M.core.dialogue({\n                        headerContent: confirmationTitle,\n                        bodyContent: Y.one(confirmationForm),\n                        draggable: true,\n                        visible: false,\n                        center: true,\n                        modal: true,\n                        width: null,\n                        extraClasses: ['mod_quiz_preflight_popup']\n                    });\n\n                    Y.one(startButton).on('click', t.displayDialogue);\n                    Y.one('#id_cancel').on('click', t.hideDialogue);\n\n                    finalStartButton = t.confirmDialogue.get('boundingBox').one('[name=\"submitbutton\"]');\n                }\n\n                if (popupoptions) {\n                    Y.one(finalStartButton).on('click', t.launchQuizPopup, t, popupoptions);\n                }\n            });\n        },\n\n        /**\n         * Display the dialogue.\n         * @param {Y.EventFacade} e the event being responded to, if any.\n         */\n        displayDialogue: function(e) {\n            if (e) {\n                e.halt();\n            }\n            t.confirmDialogue.show();\n        },\n\n        /**\n         * Hide the dialogue.\n         * @param {Y.EventFacade} e the event being responded to, if any.\n         */\n        hideDialogue: function(e) {\n            if (e) {\n                e.halt();\n            }\n            t.confirmDialogue.hide(e);\n        },\n\n        /**\n         * Event handler for the quiz start attempt button.\n          * @param {Event} e the event being responded to\n          * @param {Object} popupoptions\n         */\n        launchQuizPopup: function(e, popupoptions) {\n            e.halt();\n            Y.use('moodle-core-formchangechecker', 'io-form', function() {\n                M.core_formchangechecker.reset_form_dirty_state();\n                var form = e.target.ancestor('form');\n                window.openpopup(e, {\n                    url: form.get('action') + '?' + Y.IO.stringify(form).replace(/\\bcancel=/, 'x='),\n                    windowname: 'quizpopup',\n                    options: popupoptions,\n                    fullscreen: true,\n                });\n            });\n        }\n    };\n\n    return t;\n});\n"],"file":"preflightcheck.min.js"}
\ No newline at end of file
+{"version":3,"file":"preflightcheck.min.js","sources":["../src/preflightcheck.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This class manages the confirmation pop-up (also called the pre-flight check)\n * that is sometimes shown when a use clicks the start attempt button.\n *\n * This is also responsible for opening the pop-up window, if the quiz requires to be in one.\n *\n * @module    mod_quiz/preflightcheck\n * @class     preflightcheck\n * @package   mod_quiz\n * @copyright 2016 The Open University\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since     3.1\n */\ndefine(['jquery', 'core/yui'], function($, Y) {\n\n    /**\n     * @alias module:mod_quiz/preflightcheck\n     */\n    var t = {\n        confirmDialogue: null,\n\n        /**\n         * Initialise the start attempt button.\n         *\n         * @param {String} startButton the id of the start attempt button that we will be enhancing.\n         * @param {String} confirmationTitle the title of the dialogue.\n         * @param {String} confirmationForm selector for the confirmation form to show in the dialogue.\n         * @param {String} popupoptions If not null, the quiz should be launced in a pop-up.\n         */\n        init: function(startButton, confirmationTitle, confirmationForm, popupoptions) {\n            var finalStartButton = startButton;\n\n            Y.use('moodle-core-notification', function() {\n                if (Y.one(confirmationForm)) {\n                    t.confirmDialogue = new M.core.dialogue({\n                        headerContent: confirmationTitle,\n                        bodyContent: Y.one(confirmationForm),\n                        draggable: true,\n                        visible: false,\n                        center: true,\n                        modal: true,\n                        width: null,\n                        extraClasses: ['mod_quiz_preflight_popup']\n                    });\n\n                    Y.one(startButton).on('click', t.displayDialogue);\n                    Y.one('#id_cancel').on('click', t.hideDialogue);\n\n                    finalStartButton = t.confirmDialogue.get('boundingBox').one('[name=\"submitbutton\"]');\n                }\n\n                if (popupoptions) {\n                    Y.one(finalStartButton).on('click', t.launchQuizPopup, t, popupoptions);\n                }\n            });\n        },\n\n        /**\n         * Display the dialogue.\n         * @param {Y.EventFacade} e the event being responded to, if any.\n         */\n        displayDialogue: function(e) {\n            if (e) {\n                e.halt();\n            }\n            t.confirmDialogue.show();\n        },\n\n        /**\n         * Hide the dialogue.\n         * @param {Y.EventFacade} e the event being responded to, if any.\n         */\n        hideDialogue: function(e) {\n            if (e) {\n                e.halt();\n            }\n            t.confirmDialogue.hide(e);\n        },\n\n        /**\n         * Event handler for the quiz start 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diff --git a/mod/quiz/amd/build/quizquestionbank.min.js b/mod/quiz/amd/build/quizquestionbank.min.js
index 0c6242b7b03..19e2d46373d 100644
--- a/mod/quiz/amd/build/quizquestionbank.min.js
+++ b/mod/quiz/amd/build/quizquestionbank.min.js
@@ -1,2 +1,11 @@
-define ("mod_quiz/quizquestionbank",["mod_quiz/add_question_modal_launcher","mod_quiz/modal_quiz_question_bank"],function(a,b){return{init:function init(c){a.init(b.TYPE,".menu [data-action=\"questionbank\"]",c)}}});
-//# sourceMappingURL=quizquestionbank.min.js.map
+/**
+ * Initialise the question bank modal on the quiz page.
+ *
+ * @module    mod_quiz/quizquestionbank
+ * @package   mod_quiz
+ * @copyright 2018 Ryan Wyllie <ryan@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_quiz/quizquestionbank",["mod_quiz/add_question_modal_launcher","mod_quiz/modal_quiz_question_bank"],(function(AddQuestionModalLauncher,ModalQuizQuestionBank){return{init:function(contextId){AddQuestionModalLauncher.init(ModalQuizQuestionBank.TYPE,'.menu [data-action="questionbank"]',contextId)}}}));
+
+//# sourceMappingURL=quizquestionbank.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/quizquestionbank.min.js.map b/mod/quiz/amd/build/quizquestionbank.min.js.map
index b6d732da57e..d91b5024438 100644
--- a/mod/quiz/amd/build/quizquestionbank.min.js.map
+++ b/mod/quiz/amd/build/quizquestionbank.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/quizquestionbank.js"],"names":["define","AddQuestionModalLauncher","ModalQuizQuestionBank","init","contextId","TYPE"],"mappings":"AAuBAA,OAAM,6BACF,CACI,sCADJ,CAEI,mCAFJ,CADE,CAKF,SACIC,CADJ,CAEIC,CAFJ,CAGE,CAEF,MAAO,CAMHC,IAAI,CAAE,cAASC,CAAT,CAAoB,CACtBH,CAAwB,CAACE,IAAzB,CACID,CAAqB,CAACG,IAD1B,CAEI,sCAFJ,CAGID,CAHJ,CAKH,CAZE,CAcV,CAxBK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Initialise the question bank modal on the quiz page.\n *\n * @module    mod_quiz/quizquestionbank\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'mod_quiz/add_question_modal_launcher',\n        'mod_quiz/modal_quiz_question_bank'\n    ],\n    function(\n        AddQuestionModalLauncher,\n        ModalQuizQuestionBank\n    ) {\n\n    return {\n        /**\n         * Create the question bank modal.\n         *\n         * @param  {int} contextId Current context id.\n         */\n        init: function(contextId) {\n            AddQuestionModalLauncher.init(\n                ModalQuizQuestionBank.TYPE,\n                '.menu [data-action=\"questionbank\"]',\n                contextId\n            );\n        }\n    };\n});\n"],"file":"quizquestionbank.min.js"}
\ No newline at end of file
+{"version":3,"file":"quizquestionbank.min.js","sources":["../src/quizquestionbank.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Initialise the question bank modal on the quiz page.\n *\n * @module    mod_quiz/quizquestionbank\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'mod_quiz/add_question_modal_launcher',\n        'mod_quiz/modal_quiz_question_bank'\n    ],\n    function(\n        AddQuestionModalLauncher,\n        ModalQuizQuestionBank\n    ) {\n\n    return {\n        /**\n         * Create the question bank modal.\n         *\n         * @param  {int} contextId Current context id.\n         */\n        init: function(contextId) {\n            AddQuestionModalLauncher.init(\n                ModalQuizQuestionBank.TYPE,\n                '.menu [data-action=\"questionbank\"]',\n                contextId\n            );\n        }\n    };\n});\n"],"names":["define","AddQuestionModalLauncher","ModalQuizQuestionBank","init","contextId","TYPE"],"mappings":";;;;;;;;AAuBAA,mCACI,CACI,uCACA,sCAEJ,SACIC,yBACAC,6BAGG,CAMHC,KAAM,SAASC,WACXH,yBAAyBE,KACrBD,sBAAsBG,KACtB,qCACAD"}
\ No newline at end of file
diff --git a/mod/quiz/amd/build/random_question_form_preview.min.js b/mod/quiz/amd/build/random_question_form_preview.min.js
index 489ca3a2a57..19eadd92c4a 100644
--- a/mod/quiz/amd/build/random_question_form_preview.min.js
+++ b/mod/quiz/amd/build/random_question_form_preview.min.js
@@ -1,2 +1,12 @@
-define ("mod_quiz/random_question_form_preview",["jquery","core/ajax","core/str","core/notification","core/templates","core/paged_content_factory"],function(a,b,c,d,e,f){var g="mod_quiz/random_question_form_preview_question_list",h={LOADING_ICON_CONTAINER:"[data-region=\"overlay-icon-container\"]",QUESTION_COUNT_CONTAINER:"[data-region=\"question-count-container\"]",QUESTION_LIST_CONTAINER:"[data-region=\"question-list-container\"]"},i=function(a){a.find(h.LOADING_ICON_CONTAINER).removeClass("hidden")},j=function(a){a.find(h.LOADING_ICON_CONTAINER).addClass("hidden")},k=function(a,b){c.get_string("questionsmatchingfilter","mod_quiz",b).then(function(b){a.find(h.QUESTION_COUNT_CONTAINER).html(b)}).fail(d.exception)},l=function(a,c,d,e,f,g){return b.call([{methodname:"core_question_get_random_question_summaries",args:{categoryid:a,includesubcategories:c,tagids:d,contextid:e,limit:f,offset:g}}])[0]},m=function(a,b,c,h,i,j){return f.createFromAjax(i,5,function(f){return f.map(function(f){var i=f.limit,k=f.offset;if(0==k){return e.render(g,{questions:j})}else{return l(a,b,c,h,i,k).then(function(a){var b=a.questions;return e.render(g,{questions:b})}).fail(d.exception)}})})};return{reload:function reload(b,c,f,g,n){i(b);return l(c,f,g,n,5,0).then(function(a){var c=a.totalcount;k(b,c);return a}).then(function(b){var d=b.totalcount,e=b.questions;if(e.length){return m(c,f,g,n,d,e)}else{return a.Deferred().resolve("","")}}).then(function(a,c){var d=b.find(h.QUESTION_LIST_CONTAINER);e.replaceNodeContents(d,a,c)}).always(function(){j(b)}).fail(d.exception)},showLoadingIcon:i,hideLoadingIcon:j}});
-//# sourceMappingURL=random_question_form_preview.min.js.map
+/**
+ * JavaScript for the random_question_form_preview of the
+ * add_random_form class.
+ *
+ * @module    mod_quiz/random_question_form_preview
+ * @package   mod_quiz
+ * @copyright 2018 Ryan Wyllie <ryan@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_quiz/random_question_form_preview",["jquery","core/ajax","core/str","core/notification","core/templates","core/paged_content_factory"],(function($,Ajax,Str,Notification,Templates,PagedContentFactory){var TEMPLATE_NAME="mod_quiz/random_question_form_preview_question_list",SELECTORS_LOADING_ICON_CONTAINER='[data-region="overlay-icon-container"]',SELECTORS_QUESTION_COUNT_CONTAINER='[data-region="question-count-container"]',SELECTORS_QUESTION_LIST_CONTAINER='[data-region="question-list-container"]',showLoadingIcon=function(root){root.find(SELECTORS_LOADING_ICON_CONTAINER).removeClass("hidden")},hideLoadingIcon=function(root){root.find(SELECTORS_LOADING_ICON_CONTAINER).addClass("hidden")},requestQuestions=function(categoryId,includeSubcategories,tagIds,contextId,limit,offset){var request={methodname:"core_question_get_random_question_summaries",args:{categoryid:categoryId,includesubcategories:includeSubcategories,tagids:tagIds,contextid:contextId,limit:limit,offset:offset}};return Ajax.call([request])[0]};return{reload:function(root,categoryId,includeSubcategories,tagIds,contextId){return showLoadingIcon(root),requestQuestions(categoryId,includeSubcategories,tagIds,contextId,5,0).then((function(response){var totalCount=response.totalcount;return function(root,questionCount){Str.get_string("questionsmatchingfilter","mod_quiz",questionCount).then((function(string){root.find(SELECTORS_QUESTION_COUNT_CONTAINER).html(string)})).fail(Notification.exception)}(root,totalCount),response})).then((function(response){var totalQuestionCount=response.totalcount,questions=response.questions;return questions.length?function(categoryId,includeSubcategories,tagIds,contextId,totalQuestionCount,firstPageQuestions){return PagedContentFactory.createFromAjax(totalQuestionCount,5,(function(pagesData){return pagesData.map((function(pageData){var limit=pageData.limit,offset=pageData.offset;return 0==offset?Templates.render(TEMPLATE_NAME,{questions:firstPageQuestions}):requestQuestions(categoryId,includeSubcategories,tagIds,contextId,limit,offset).then((function(response){var questions=response.questions;return Templates.render(TEMPLATE_NAME,{questions:questions})})).fail(Notification.exception)}))}))}(categoryId,includeSubcategories,tagIds,contextId,totalQuestionCount,questions):$.Deferred().resolve("","")})).then((function(html,js){var container=root.find(SELECTORS_QUESTION_LIST_CONTAINER);Templates.replaceNodeContents(container,html,js)})).always((function(){hideLoadingIcon(root)})).fail(Notification.exception)},showLoadingIcon:showLoadingIcon,hideLoadingIcon:hideLoadingIcon}}));
+
+//# sourceMappingURL=random_question_form_preview.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/random_question_form_preview.min.js.map b/mod/quiz/amd/build/random_question_form_preview.min.js.map
index f3c288aaddd..533b340f79d 100644
--- a/mod/quiz/amd/build/random_question_form_preview.min.js.map
+++ b/mod/quiz/amd/build/random_question_form_preview.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * JavaScript for the random_question_form_preview of the\n * add_random_form class.\n *\n * @module    mod_quiz/random_question_form_preview\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/ajax',\n        'core/str',\n        'core/notification',\n        'core/templates',\n        'core/paged_content_factory'\n    ],\n    function(\n        $,\n        Ajax,\n        Str,\n        Notification,\n        Templates,\n        PagedContentFactory\n    ) {\n\n    var ITEMS_PER_PAGE = 5;\n    var TEMPLATE_NAME = 'mod_quiz/random_question_form_preview_question_list';\n    var SELECTORS = {\n        LOADING_ICON_CONTAINER: '[data-region=\"overlay-icon-container\"]',\n        QUESTION_COUNT_CONTAINER: '[data-region=\"question-count-container\"]',\n        QUESTION_LIST_CONTAINER: '[data-region=\"question-list-container\"]'\n    };\n\n    /**\n     * Show the loading spinner over the preview section.\n     *\n     * @param  {jquery} root The root element.\n     */\n    var showLoadingIcon = function(root) {\n        root.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading spinner.\n     *\n     * @param  {jquery} root The root element.\n     */\n    var hideLoadingIcon = function(root) {\n        root.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Render the section of text to show the question count.\n     *\n     * @param  {jquery} root The root element.\n     * @param  {int} questionCount The number of questions.\n     */\n    var renderQuestionCount = function(root, questionCount) {\n        Str.get_string('questionsmatchingfilter', 'mod_quiz', questionCount)\n            .then(function(string) {\n                root.find(SELECTORS.QUESTION_COUNT_CONTAINER).html(string);\n                return;\n            })\n            .fail(Notification.exception);\n    };\n\n    /**\n     * Send a request to the server for more questions.\n     *\n     * @param  {int} categoryId A question category id.\n     * @param  {bool} includeSubcategories If the results should include subcategory questions\n     * @param  {int[]} tagIds The list of tag ids that each question must have.\n     * @param  {int} contextId The context where the questions will be added.\n     * @param  {int} limit How many questions to retrieve.\n     * @param  {int} offset How many questions to skip from the start of the result set.\n     * @return {promise} Resolved when the preview section has rendered.\n     */\n    var requestQuestions = function(\n        categoryId,\n        includeSubcategories,\n        tagIds,\n        contextId,\n        limit,\n        offset\n    ) {\n        var request = {\n            methodname: 'core_question_get_random_question_summaries',\n            args: {\n                categoryid: categoryId,\n                includesubcategories: includeSubcategories,\n                tagids: tagIds,\n                contextid: contextId,\n                limit: limit,\n                offset: offset\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Build a paged content widget for questions with the given criteria. The\n     * criteria is used to fetch more questions from the server as the user\n     * requests new pages.\n     *\n     * @param  {int} categoryId A question category id.\n     * @param  {bool} includeSubcategories If the results should include subcategory questions\n     * @param  {int[]} tagIds The list of tag ids that each question must have.\n     * @param  {int} contextId The context where the questions will be added.\n     * @param  {int} totalQuestionCount How many questions match the criteria above.\n     * @param  {object[]} firstPageQuestions List of questions for the first page.\n     * @return {promise} A promise resolved with the HTML and JS for the paged content.\n     */\n    var renderQuestionsAsPagedContent = function(\n        categoryId,\n        includeSubcategories,\n        tagIds,\n        contextId,\n        totalQuestionCount,\n        firstPageQuestions\n    ) {\n        // Provide a callback, renderQuestionsPages,\n        // to control how the questions on each page are rendered.\n        return PagedContentFactory.createFromAjax(\n            totalQuestionCount,\n            ITEMS_PER_PAGE,\n            // Callback function to render the requested pages.\n            function(pagesData) {\n                return pagesData.map(function(pageData) {\n                    var limit = pageData.limit;\n                    var offset = pageData.offset;\n\n                    if (offset == 0) {\n                        // The first page is being requested and we've already got\n                        // that data so we can just render it immediately.\n                        return Templates.render(TEMPLATE_NAME, {questions: firstPageQuestions});\n                    } else {\n                        // Otherwise we need to ask the server for the data.\n                        return requestQuestions(\n                            categoryId,\n                            includeSubcategories,\n                            tagIds,\n                            contextId,\n                            limit,\n                            offset\n                        )\n                        .then(function(response) {\n                            var questions = response.questions;\n                            return Templates.render(TEMPLATE_NAME, {questions: questions});\n                        })\n                        .fail(Notification.exception);\n                    }\n                });\n            }\n        );\n    };\n\n    /**\n     * Re-render the preview section based on the provided filter criteria.\n     *\n     * @param  {jquery} root The root element.\n     * @param  {int} categoryId A question category id.\n     * @param  {bool} includeSubcategories If the results should include subcategory questions\n     * @param  {int[]} tagIds The list of tag ids that each question must have.\n     * @param  {int} contextId The context where the questions will be added.\n     * @return {promise} Resolved when the preview section has rendered.\n     */\n    var reload = function(root, categoryId, includeSubcategories, tagIds, contextId) {\n        // Show the loading spinner to tell the user that something is happening.\n        showLoadingIcon(root);\n        // Load the first set of questions.\n        return requestQuestions(categoryId, includeSubcategories, tagIds, contextId, ITEMS_PER_PAGE, 0)\n            .then(function(response) {\n                var totalCount = response.totalcount;\n                // Show the help message for the user to indicate how many questions\n                // match their filter criteria.\n                renderQuestionCount(root, totalCount);\n                return response;\n            })\n            .then(function(response) {\n                var totalQuestionCount = response.totalcount;\n                var questions = response.questions;\n\n                if (questions.length) {\n                    // We received some questions so render them as 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         })\n            .fail(Notification.exception);\n    };\n\n    return {\n        reload: reload,\n        showLoadingIcon: showLoadingIcon,\n        hideLoadingIcon: hideLoadingIcon\n    };\n});\n"],"file":"random_question_form_preview.min.js"}
\ No newline at end of file
+{"version":3,"file":"random_question_form_preview.min.js","sources":["../src/random_question_form_preview.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * JavaScript for the random_question_form_preview of the\n * add_random_form class.\n *\n * @module    mod_quiz/random_question_form_preview\n * @package   mod_quiz\n * @copyright 2018 Ryan Wyllie <ryan@moodle.com>\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(\n    [\n        'jquery',\n        'core/ajax',\n        'core/str',\n        'core/notification',\n        'core/templates',\n        'core/paged_content_factory'\n    ],\n    function(\n        $,\n        Ajax,\n        Str,\n        Notification,\n        Templates,\n        PagedContentFactory\n    ) {\n\n    var ITEMS_PER_PAGE = 5;\n    var TEMPLATE_NAME = 'mod_quiz/random_question_form_preview_question_list';\n    var SELECTORS = {\n        LOADING_ICON_CONTAINER: '[data-region=\"overlay-icon-container\"]',\n        QUESTION_COUNT_CONTAINER: '[data-region=\"question-count-container\"]',\n        QUESTION_LIST_CONTAINER: '[data-region=\"question-list-container\"]'\n    };\n\n    /**\n     * Show the loading spinner over the preview section.\n     *\n     * @param  {jquery} root The root element.\n     */\n    var showLoadingIcon = function(root) {\n        root.find(SELECTORS.LOADING_ICON_CONTAINER).removeClass('hidden');\n    };\n\n    /**\n     * Hide the loading spinner.\n     *\n     * @param  {jquery} root The root element.\n     */\n    var hideLoadingIcon = function(root) {\n        root.find(SELECTORS.LOADING_ICON_CONTAINER).addClass('hidden');\n    };\n\n    /**\n     * Render the section of text to show the question count.\n     *\n     * @param  {jquery} root The root element.\n     * @param  {int} questionCount The number of questions.\n     */\n    var renderQuestionCount = function(root, questionCount) {\n        Str.get_string('questionsmatchingfilter', 'mod_quiz', questionCount)\n            .then(function(string) {\n                root.find(SELECTORS.QUESTION_COUNT_CONTAINER).html(string);\n                return;\n            })\n            .fail(Notification.exception);\n    };\n\n    /**\n     * Send a request to the server for more questions.\n     *\n     * @param  {int} categoryId A question category id.\n     * @param  {bool} includeSubcategories If the results should include subcategory questions\n     * @param  {int[]} tagIds The list of tag ids that each question must have.\n     * @param  {int} contextId The context where the questions will be added.\n     * @param  {int} limit How many questions to retrieve.\n     * @param  {int} offset How many questions to skip from the start of the result set.\n     * @return {promise} Resolved when the preview section has rendered.\n     */\n    var requestQuestions = function(\n        categoryId,\n        includeSubcategories,\n        tagIds,\n        contextId,\n        limit,\n        offset\n    ) {\n        var request = {\n            methodname: 'core_question_get_random_question_summaries',\n            args: {\n                categoryid: categoryId,\n                includesubcategories: includeSubcategories,\n                tagids: tagIds,\n                contextid: contextId,\n                limit: limit,\n                offset: offset\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    /**\n     * Build a paged content widget for questions with the given criteria. The\n     * criteria is used to fetch more questions from the server as the user\n     * requests new pages.\n     *\n     * @param  {int} categoryId A question category id.\n     * @param  {bool} includeSubcategories If the results should include subcategory questions\n     * @param  {int[]} tagIds The list of tag ids that each question must have.\n     * @param  {int} contextId The context where the questions will be added.\n     * @param  {int} totalQuestionCount How many questions match the criteria above.\n     * @param  {object[]} firstPageQuestions List of questions for the first page.\n     * @return {promise} A promise resolved with the HTML and JS for the paged content.\n     */\n    var renderQuestionsAsPagedContent = function(\n        categoryId,\n        includeSubcategories,\n        tagIds,\n        contextId,\n        totalQuestionCount,\n        firstPageQuestions\n    ) {\n        // Provide a callback, renderQuestionsPages,\n        // to control how the questions on each page are rendered.\n        return PagedContentFactory.createFromAjax(\n            totalQuestionCount,\n            ITEMS_PER_PAGE,\n            // Callback function to render the requested pages.\n            function(pagesData) {\n                return pagesData.map(function(pageData) {\n                    var limit = pageData.limit;\n                    var offset = pageData.offset;\n\n                    if (offset == 0) {\n                        // The first page is being requested and we've already got\n                        // that data so we can just render it immediately.\n                        return Templates.render(TEMPLATE_NAME, {questions: firstPageQuestions});\n                    } else {\n                        // Otherwise we need to ask the server for the data.\n                        return requestQuestions(\n                            categoryId,\n                            includeSubcategories,\n                            tagIds,\n                            contextId,\n                            limit,\n                            offset\n                        )\n                        .then(function(response) {\n                            var questions = response.questions;\n                            return Templates.render(TEMPLATE_NAME, {questions: questions});\n                        })\n                        .fail(Notification.exception);\n                    }\n                });\n            }\n        );\n    };\n\n    /**\n     * Re-render the preview section based on the provided filter criteria.\n     *\n     * @param  {jquery} root The root element.\n     * @param  {int} categoryId A question category id.\n     * @param  {bool} includeSubcategories If the results should include subcategory questions\n     * @param  {int[]} tagIds The list of tag ids that each question must have.\n     * @param  {int} contextId The context where the questions will be added.\n     * @return {promise} Resolved when the preview section has rendered.\n     */\n    var reload = function(root, categoryId, includeSubcategories, tagIds, contextId) {\n        // Show the loading spinner to tell the user that something is happening.\n        showLoadingIcon(root);\n        // Load the first set of questions.\n        return requestQuestions(categoryId, includeSubcategories, tagIds, contextId, ITEMS_PER_PAGE, 0)\n            .then(function(response) {\n                var totalCount = response.totalcount;\n                // Show the help message for the user to indicate how many questions\n                // match their filter criteria.\n                renderQuestionCount(root, totalCount);\n                return response;\n            })\n            .then(function(response) {\n                var totalQuestionCount = response.totalcount;\n                var questions = response.questions;\n\n                if (questions.length) {\n                    // We received some questions so render them as paged content\n                    // with a paging bar.\n                    return renderQuestionsAsPagedContent(\n                        categoryId,\n                        includeSubcategories,\n                        tagIds,\n                        contextId,\n                        totalQuestionCount,\n                        questions\n                    );\n                } else {\n                    // If we didn't receive any questions then we can return empty\n                    // HTML and JS to clear the preview section.\n                    return $.Deferred().resolve('', '');\n                }\n            })\n            .then(function(html, js) {\n                // Show the user the question set.\n                var container = root.find(SELECTORS.QUESTION_LIST_CONTAINER);\n                Templates.replaceNodeContents(container, html, js);\n                return;\n            })\n            .always(function() {\n                hideLoadingIcon(root);\n            })\n            .fail(Notification.exception);\n    };\n\n    return {\n        reload: reload,\n        showLoadingIcon: showLoadingIcon,\n        hideLoadingIcon: hideLoadingIcon\n    };\n});\n"],"names":["define","$","Ajax","Str","Notification","Templates","PagedContentFactory","TEMPLATE_NAME","SELECTORS","showLoadingIcon","root","find","removeClass","hideLoadingIcon","addClass","requestQuestions","categoryId","includeSubcategories","tagIds","contextId","limit","offset","request","methodname","args","categoryid","includesubcategories","tagids","contextid","call","reload","then","response","totalCount","totalcount","questionCount","get_string","string","html","fail","exception","renderQuestionCount","totalQuestionCount","questions","length","firstPageQuestions","createFromAjax","pagesData","map","pageData","render","renderQuestionsAsPagedContent","Deferred","resolve","js","container","replaceNodeContents","always"],"mappings":";;;;;;;;;AAwBAA,+CACI,CACI,SACA,YACA,WACA,oBACA,iBACA,+BAEJ,SACIC,EACAC,KACAC,IACAC,aACAC,UACAC,yBAIAC,cAAgB,sDAChBC,iCACwB,yCADxBA,mCAE0B,2CAF1BA,kCAGyB,0CAQzBC,gBAAkB,SAASC,MAC3BA,KAAKC,KAAKH,kCAAkCI,YAAY,WAQxDC,gBAAkB,SAASH,MAC3BA,KAAKC,KAAKH,kCAAkCM,SAAS,WA6BrDC,iBAAmB,SACnBC,WACAC,qBACAC,OACAC,UACAC,MACAC,YAEIC,QAAU,CACVC,WAAY,8CACZC,KAAM,CACFC,WAAYT,WACZU,qBAAsBT,qBACtBU,OAAQT,OACRU,UAAWT,UACXC,MAAOA,MACPC,OAAQA,gBAITnB,KAAK2B,KAAK,CAACP,UAAU,UAmHzB,CACHQ,OA9CS,SAASpB,KAAMM,WAAYC,qBAAsBC,OAAQC,kBAElEV,gBAAgBC,MAETK,iBAAiBC,WAAYC,qBAAsBC,OAAQC,UAlJjD,EAkJ4E,GACxFY,MAAK,SAASC,cACPC,WAAaD,SAASE,kBApHZ,SAASxB,KAAMyB,eACrChC,IAAIiC,WAAW,0BAA2B,WAAYD,eACjDJ,MAAK,SAASM,QACX3B,KAAKC,KAAKH,oCAAoC8B,KAAKD,WAGtDE,KAAKnC,aAAaoC,WAiHfC,CAAoB/B,KAAMuB,YACnBD,YAEVD,MAAK,SAASC,cACPU,mBAAqBV,SAASE,WAC9BS,UAAYX,SAASW,iBAErBA,UAAUC,OAtEU,SAChC5B,WACAC,qBACAC,OACAC,UACAuB,mBACAG,2BAIOvC,oBAAoBwC,eACvBJ,mBAnGa,GAsGb,SAASK,kBACEA,UAAUC,KAAI,SAASC,cACtB7B,MAAQ6B,SAAS7B,MACjBC,OAAS4B,SAAS5B,cAER,GAAVA,OAGOhB,UAAU6C,OAAO3C,cAAe,CAACoC,UAAWE,qBAG5C9B,iBACHC,WACAC,qBACAC,OACAC,UACAC,MACAC,QAEHU,MAAK,SAASC,cACPW,UAAYX,SAASW,iBAClBtC,UAAU6C,OAAO3C,cAAe,CAACoC,UAAWA,eAEtDJ,KAAKnC,aAAaoC,iBAoChBW,CACHnC,WACAC,qBACAC,OACAC,UACAuB,mBACAC,WAKG1C,EAAEmD,WAAWC,QAAQ,GAAI,OAGvCtB,MAAK,SAASO,KAAMgB,QAEbC,UAAY7C,KAAKC,KAAKH,mCAC1BH,UAAUmD,oBAAoBD,UAAWjB,KAAMgB,OAGlDG,QAAO,WACJ5C,gBAAgBH,SAEnB6B,KAAKnC,aAAaoC,YAKvB/B,gBAAiBA,gBACjBI,gBAAiBA"}
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diff --git a/mod/quiz/amd/build/repaginate.min.js b/mod/quiz/amd/build/repaginate.min.js
index c4fca1c95cf..ee0e7d3e68d 100644
--- a/mod/quiz/amd/build/repaginate.min.js
+++ b/mod/quiz/amd/build/repaginate.min.js
@@ -1,2 +1,11 @@
-define ("mod_quiz/repaginate",["jquery","core/modal_factory"],function(a,b){var c={REPAGINATECOMMAND:"#repaginatecommand",HEADER:"header",BODY:"form"};return{init:function init(){b.create({title:a(c.REPAGINATECOMMAND).data(c.HEADER),body:a(c.REPAGINATECOMMAND).data(c.BODY),large:!1},a(c.REPAGINATECOMMAND))}}});
-//# sourceMappingURL=repaginate.min.js.map
+/**
+ * Initialise the repaginate dialogue on quiz editing page.
+ *
+ * @module    mod_quiz/repaginate
+ * @package   mod_quiz
+ * @copyright 2019 The Open University
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_quiz/repaginate",["jquery","core/modal_factory"],(function($,ModalFactory){var SELECTORS_REPAGINATECOMMAND="#repaginatecommand",SELECTORS_HEADER="header",SELECTORS_BODY="form";return{init:function(){ModalFactory.create({title:$(SELECTORS_REPAGINATECOMMAND).data(SELECTORS_HEADER),body:$(SELECTORS_REPAGINATECOMMAND).data(SELECTORS_BODY),large:!1},$(SELECTORS_REPAGINATECOMMAND))}}}));
+
+//# sourceMappingURL=repaginate.min.js.map
\ No newline at end of file
diff --git a/mod/quiz/amd/build/repaginate.min.js.map b/mod/quiz/amd/build/repaginate.min.js.map
index 25da9767296..675ca3d255b 100644
--- a/mod/quiz/amd/build/repaginate.min.js.map
+++ b/mod/quiz/amd/build/repaginate.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/repaginate.js"],"names":["define","$","ModalFactory","SELECTORS","REPAGINATECOMMAND","HEADER","BODY","init","create","title","data","body","large"],"mappings":"AAuBAA,OAAM,uBAAC,CAAC,QAAD,CAAW,oBAAX,CAAD,CAAmC,SAASC,CAAT,CAAYC,CAAZ,CAA0B,IAE3DC,CAAAA,CAAS,CAAG,CACZC,iBAAiB,CAAE,oBADP,CAEZC,MAAM,CAAE,QAFI,CAGZC,IAAI,CAAE,MAHM,CAF+C,CAqB/D,MAAO,CACHC,IAAI,CAXG,QAAPA,CAAAA,IAAO,EAAW,CAClBL,CAAY,CAACM,MAAb,CACI,CACIC,KAAK,CAAER,CAAC,CAACE,CAAS,CAACC,iBAAX,CAAD,CAA+BM,IAA/B,CAAoCP,CAAS,CAACE,MAA9C,CADX,CAEIM,IAAI,CAAEV,CAAC,CAACE,CAAS,CAACC,iBAAX,CAAD,CAA+BM,IAA/B,CAAoCP,CAAS,CAACG,IAA9C,CAFV,CAGIM,KAAK,GAHT,CADJ,CAMIX,CAAC,CAACE,CAAS,CAACC,iBAAX,CANL,CAQH,CACM,CAGV,CAxBK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Initialise the repaginate dialogue on quiz editing page.\n *\n * @module    mod_quiz/repaginate\n * @package   mod_quiz\n * @copyright 2019 The Open University\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/modal_factory'], function($, ModalFactory) {\n\n    var SELECTORS = {\n        REPAGINATECOMMAND: '#repaginatecommand',\n        HEADER: 'header',\n        BODY: 'form'\n    };\n\n    /**\n     * Initialise the repaginate button and add the event listener.\n     */\n    var init = function() {\n        ModalFactory.create(\n            {\n                title: $(SELECTORS.REPAGINATECOMMAND).data(SELECTORS.HEADER),\n                body: $(SELECTORS.REPAGINATECOMMAND).data(SELECTORS.BODY),\n                large: false,\n            },\n            $(SELECTORS.REPAGINATECOMMAND)\n        );\n    };\n    return {\n        init: init\n    };\n});\n"],"file":"repaginate.min.js"}
\ No newline at end of file
+{"version":3,"file":"repaginate.min.js","sources":["../src/repaginate.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Initialise the repaginate dialogue on quiz editing page.\n *\n * @module    mod_quiz/repaginate\n * @package   mod_quiz\n * @copyright 2019 The Open University\n * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/modal_factory'], function($, ModalFactory) {\n\n    var SELECTORS = {\n        REPAGINATECOMMAND: '#repaginatecommand',\n        HEADER: 'header',\n        BODY: 'form'\n    };\n\n    /**\n     * Initialise the repaginate button and add the event listener.\n     */\n    var init = function() {\n        ModalFactory.create(\n            {\n                title: $(SELECTORS.REPAGINATECOMMAND).data(SELECTORS.HEADER),\n                body: $(SELECTORS.REPAGINATECOMMAND).data(SELECTORS.BODY),\n                large: false,\n            },\n            $(SELECTORS.REPAGINATECOMMAND)\n        );\n    };\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","ModalFactory","SELECTORS","init","create","title","data","body","large"],"mappings":";;;;;;;;AAuBAA,6BAAO,CAAC,SAAU,uBAAuB,SAASC,EAAGC,kBAE7CC,4BACmB,qBADnBA,iBAEQ,SAFRA,eAGM,aAgBH,CACHC,KAXO,WACPF,aAAaG,OACT,CACIC,MAAOL,EAAEE,6BAA6BI,KAAKJ,kBAC3CK,KAAMP,EAAEE,6BAA6BI,KAAKJ,gBAC1CM,OAAO,GAEXR,EAAEE"}
\ No newline at end of file
diff --git a/mod/survey/amd/build/validation.min.js b/mod/survey/amd/build/validation.min.js
index 51b3599dec8..6a41fcce62c 100644
--- a/mod/survey/amd/build/validation.min.js
+++ b/mod/survey/amd/build/validation.min.js
@@ -1,2 +1,12 @@
-define ("mod_survey/validation",["jquery","core/str","core/modal_factory","core/notification"],function(a,b,c,d){return{ensureRadiosChosen:function ensureRadiosChosen(e){var f=b.get_strings([{key:"error",component:"moodle"},{key:"questionsnotanswered",component:"survey"}]).then(function(a){return c.create({type:c.types.CANCEL,title:a[0],body:a[1]})}).catch(d.exception),g=a("#"+e);g.submit(function(a){if(0!==g.find("input:radio[data-survey-default=\"true\"]:checked").length){a.preventDefault();return f.then(function(a){a.show();return!1})}return!0})}}});
-//# sourceMappingURL=validation.min.js.map
+/**
+ * Javascript to handle survey validation.
+ *
+ * @module     mod_survey/validation
+ * @package    mod_survey
+ * @copyright  2017 Dan Poltawski <dan@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.3
+ */
+define("mod_survey/validation",["jquery","core/str","core/modal_factory","core/notification"],(function($,Str,ModalFactory,Notification){return{ensureRadiosChosen:function(formid){var modalPromise=Str.get_strings([{key:"error",component:"moodle"},{key:"questionsnotanswered",component:"survey"}]).then((function(strings){return ModalFactory.create({type:ModalFactory.types.CANCEL,title:strings[0],body:strings[1]})})).catch(Notification.exception),form=$("#"+formid);form.submit((function(e){return 0===form.find('input:radio[data-survey-default="true"]:checked').length||(e.preventDefault(),modalPromise.then((function(modal){return modal.show(),!1})))}))}}}));
+
+//# sourceMappingURL=validation.min.js.map
\ No newline at end of file
diff --git a/mod/survey/amd/build/validation.min.js.map b/mod/survey/amd/build/validation.min.js.map
index 694e9b33dab..8e34440f3d6 100644
--- a/mod/survey/amd/build/validation.min.js.map
+++ b/mod/survey/amd/build/validation.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/validation.js"],"names":["define","$","Str","ModalFactory","Notification","ensureRadiosChosen","formid","modalPromise","get_strings","key","component","then","strings","create","type","types","CANCEL","title","body","catch","exception","form","submit","e","find","length","preventDefault","modal","show"],"mappings":"AAwBAA,OAAM,yBAAC,CAAC,QAAD,CAAW,UAAX,CAAuB,oBAAvB,CAA6C,mBAA7C,CAAD,CAAoE,SAASC,CAAT,CAAYC,CAAZ,CAAiBC,CAAjB,CAA+BC,CAA/B,CAA6C,CACnH,MAAO,CAOHC,kBAAkB,CAAE,4BAASC,CAAT,CAAiB,IAE7BC,CAAAA,CAAY,CAAGL,CAAG,CAACM,WAAJ,CAAgB,CAC/B,CAACC,GAAG,CAAE,OAAN,CAAeC,SAAS,CAAE,QAA1B,CAD+B,CAE/B,CAACD,GAAG,CAAE,sBAAN,CAA8BC,SAAS,CAAE,QAAzC,CAF+B,CAAhB,EAGhBC,IAHgB,CAGX,SAASC,CAAT,CAAkB,CACtB,MAAOT,CAAAA,CAAY,CAACU,MAAb,CAAoB,CACvBC,IAAI,CAAEX,CAAY,CAACY,KAAb,CAAmBC,MADF,CAEvBC,KAAK,CAAEL,CAAO,CAAC,CAAD,CAFS,CAGvBM,IAAI,CAAEN,CAAO,CAAC,CAAD,CAHU,CAApB,CAKV,CATkB,EAShBO,KATgB,CASVf,CAAY,CAACgB,SATH,CAFc,CAa7BC,CAAI,CAAGpB,CAAC,CAAC,IAAMK,CAAP,CAbqB,CAcjCe,CAAI,CAACC,MAAL,CAAY,SAASC,CAAT,CAAY,CAEpB,GAA4E,CAAxE,GAAAF,CAAI,CAACG,IAAL,CAAU,mDAAV,EAA6DC,MAAjE,CAA+E,CAC3EF,CAAC,CAACG,cAAF,GAEA,MAAOnB,CAAAA,CAAY,CAACI,IAAb,CAAkB,SAASgB,CAAT,CAAgB,CACrCA,CAAK,CAACC,IAAN,GACA,QACH,CAHM,CAIV,CAED,QACH,CAZD,CAaH,CAlCE,CAoCV,CArCK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to handle survey validation.\n *\n * @module     mod_survey/validation\n * @package    mod_survey\n * @copyright  2017 Dan Poltawski <dan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.3\n */\ndefine(['jquery', 'core/str', 'core/modal_factory', 'core/notification'], function($, Str, ModalFactory, Notification) {\n    return {\n        /**\n         * Prevents form submission until all radio buttons are chosen, displays\n         * modal error if any choices are missing.\n         *\n         * @param {String} formid HTML id of form\n         */\n        ensureRadiosChosen: function(formid) {\n            // Prepare modal for display in case of problems.\n            var modalPromise = Str.get_strings([\n                {key: 'error', component: 'moodle'},\n                {key: 'questionsnotanswered', component: 'survey'},\n            ]).then(function(strings) {\n                return ModalFactory.create({\n                    type: ModalFactory.types.CANCEL,\n                    title: strings[0],\n                    body: strings[1],\n                });\n            }).catch(Notification.exception);\n\n            var form = $('#' + formid);\n            form.submit(function(e) {\n                // Look for unanswered questions..\n                if (form.find('input:radio[data-survey-default=\"true\"]:checked').length !== 0) {\n                    e.preventDefault();\n                    // Display the modal error.\n                    return modalPromise.then(function(modal) {\n                        modal.show();\n                        return false;\n                    });\n                }\n\n                return true;\n            });\n        }\n    };\n});\n"],"file":"validation.min.js"}
\ No newline at end of file
+{"version":3,"file":"validation.min.js","sources":["../src/validation.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Javascript to handle survey validation.\n *\n * @module     mod_survey/validation\n * @package    mod_survey\n * @copyright  2017 Dan Poltawski <dan@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.3\n */\ndefine(['jquery', 'core/str', 'core/modal_factory', 'core/notification'], function($, Str, ModalFactory, Notification) {\n    return {\n        /**\n         * Prevents form submission until all radio buttons are chosen, displays\n         * modal error if any choices are missing.\n         *\n         * @param {String} formid HTML id of form\n         */\n        ensureRadiosChosen: function(formid) {\n            // Prepare modal for display in case of problems.\n            var modalPromise = Str.get_strings([\n                {key: 'error', component: 'moodle'},\n                {key: 'questionsnotanswered', component: 'survey'},\n            ]).then(function(strings) {\n                return ModalFactory.create({\n                    type: ModalFactory.types.CANCEL,\n                    title: strings[0],\n                    body: strings[1],\n                });\n            }).catch(Notification.exception);\n\n            var form = $('#' + formid);\n            form.submit(function(e) {\n                // Look for unanswered questions..\n                if (form.find('input:radio[data-survey-default=\"true\"]:checked').length !== 0) {\n                    e.preventDefault();\n                    // Display the modal error.\n                    return modalPromise.then(function(modal) {\n                        modal.show();\n                        return false;\n                    });\n                }\n\n                return true;\n            });\n        }\n    };\n});\n"],"names":["define","$","Str","ModalFactory","Notification","ensureRadiosChosen","formid","modalPromise","get_strings","key","component","then","strings","create","type","types","CANCEL","title","body","catch","exception","form","submit","e","find","length","preventDefault","modal","show"],"mappings":";;;;;;;;;AAwBAA,+BAAO,CAAC,SAAU,WAAY,qBAAsB,sBAAsB,SAASC,EAAGC,IAAKC,aAAcC,oBAC9F,CAOHC,mBAAoB,SAASC,YAErBC,aAAeL,IAAIM,YAAY,CAC/B,CAACC,IAAK,QAASC,UAAW,UAC1B,CAACD,IAAK,uBAAwBC,UAAW,YAC1CC,MAAK,SAASC,gBACNT,aAAaU,OAAO,CACvBC,KAAMX,aAAaY,MAAMC,OACzBC,MAAOL,QAAQ,GACfM,KAAMN,QAAQ,QAEnBO,MAAMf,aAAagB,WAElBC,KAAOpB,EAAE,IAAMK,QACnBe,KAAKC,QAAO,SAASC,UAE2D,IAAxEF,KAAKG,KAAK,mDAAmDC,SAC7DF,EAAEG,iBAEKnB,aAAaI,MAAK,SAASgB,cAC9BA,MAAMC,QACC"}
\ No newline at end of file
diff --git a/mod/workshop/amd/build/modform.min.js b/mod/workshop/amd/build/modform.min.js
index 7a68eb1a896..19625cd49e6 100644
--- a/mod/workshop/amd/build/modform.min.js
+++ b/mod/workshop/amd/build/modform.min.js
@@ -1,2 +1,10 @@
-define ("mod_workshop/modform",["jquery"],function(a){var b={text:{available:null,required:null,requiredHidden:null},file:{available:null,required:null,requiredHidden:null}};function c(a,b){if(!a.available.prop("checked")){a.required.prop("disabled",!0);a.required.prop("checked",!1);if(b.available.prop("checked")){b.required.prop("disabled",!0);b.required.prop("checked",!0);b.requiredHidden.val(1)}}}function d(a){a.required.prop("disabled",!1);a.required.prop("checked",!1);a.requiredHidden.val(0)}function e(){c(b.file,b.text);c(b.text,b.file);if(b.text.available.prop("checked")&&b.file.available.prop("checked")){d(b.text);d(b.file)}}return{init:function init(){b.text.available=a("#id_submissiontypetextavailable");b.text.required=a("#id_submissiontypetextrequired");b.text.requiredHidden=a("input[name=\"submissiontypetextrequired\"][type=\"hidden\"]");b.file.available=a("#id_submissiontypefileavailable");b.file.required=a("#id_submissiontypefilerequired");b.file.requiredHidden=a("input[name=\"submissiontypefilerequired\"][type=\"hidden\"]");b.text.available.on("change",e);b.file.available.on("change",e);e()}}});
-//# sourceMappingURL=modform.min.js.map
+/**
+ * Additional javascript for the Workshop module form.
+ *
+ * @module      mod_workshop/modform
+ * @copyright   The Open University 2018
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_workshop/modform",["jquery"],(function($){var submissionTypes={text:{available:null,required:null,requiredHidden:null},file:{available:null,required:null,requiredHidden:null}};function checkAvailability(checkUnavailable,checkAvailable){checkUnavailable.available.prop("checked")||(checkUnavailable.required.prop("disabled",!0),checkUnavailable.required.prop("checked",!1),checkAvailable.available.prop("checked")&&(checkAvailable.required.prop("disabled",!0),checkAvailable.required.prop("checked",!0),checkAvailable.requiredHidden.val(1)))}function enableRequired(submissionType){submissionType.required.prop("disabled",!1),submissionType.required.prop("checked",!1),submissionType.requiredHidden.val(0)}function submissionTypeChanged(){checkAvailability(submissionTypes.file,submissionTypes.text),checkAvailability(submissionTypes.text,submissionTypes.file),submissionTypes.text.available.prop("checked")&&submissionTypes.file.available.prop("checked")&&(enableRequired(submissionTypes.text),enableRequired(submissionTypes.file))}return{init:function(){submissionTypes.text.available=$("#id_submissiontypetextavailable"),submissionTypes.text.required=$("#id_submissiontypetextrequired"),submissionTypes.text.requiredHidden=$('input[name="submissiontypetextrequired"][type="hidden"]'),submissionTypes.file.available=$("#id_submissiontypefileavailable"),submissionTypes.file.required=$("#id_submissiontypefilerequired"),submissionTypes.file.requiredHidden=$('input[name="submissiontypefilerequired"][type="hidden"]'),submissionTypes.text.available.on("change",submissionTypeChanged),submissionTypes.file.available.on("change",submissionTypeChanged),submissionTypeChanged()}}}));
+
+//# sourceMappingURL=modform.min.js.map
\ No newline at end of file
diff --git a/mod/workshop/amd/build/modform.min.js.map b/mod/workshop/amd/build/modform.min.js.map
index 3c45eccfde3..cef88a45d92 100644
--- a/mod/workshop/amd/build/modform.min.js.map
+++ b/mod/workshop/amd/build/modform.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/modform.js"],"names":["define","$","submissionTypes","text","available","required","requiredHidden","file","checkAvailability","checkUnavailable","checkAvailable","prop","val","enableRequired","submissionType","submissionTypeChanged","init","on"],"mappings":"AAsBAA,OAAM,wBAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAE3B,GAAIC,CAAAA,CAAe,CAAG,CAClBC,IAAI,CAAE,CACFC,SAAS,CAAE,IADT,CAEFC,QAAQ,CAAE,IAFR,CAGFC,cAAc,CAAE,IAHd,CADY,CAMlBC,IAAI,CAAE,CACFH,SAAS,CAAE,IADT,CAEFC,QAAQ,CAAE,IAFR,CAGFC,cAAc,CAAE,IAHd,CANY,CAAtB,CAsBA,QAASE,CAAAA,CAAT,CAA2BC,CAA3B,CAA6CC,CAA7C,CAA6D,CACzD,GAAI,CAACD,CAAgB,CAACL,SAAjB,CAA2BO,IAA3B,CAAgC,SAAhC,CAAL,CAAiD,CAC7CF,CAAgB,CAACJ,QAAjB,CAA0BM,IAA1B,CAA+B,UAA/B,KACAF,CAAgB,CAACJ,QAAjB,CAA0BM,IAA1B,CAA+B,SAA/B,KACA,GAAID,CAAc,CAACN,SAAf,CAAyBO,IAAzB,CAA8B,SAA9B,CAAJ,CAA8C,CAC1CD,CAAc,CAACL,QAAf,CAAwBM,IAAxB,CAA6B,UAA7B,KACAD,CAAc,CAACL,QAAf,CAAwBM,IAAxB,CAA6B,SAA7B,KAEAD,CAAc,CAACJ,cAAf,CAA8BM,GAA9B,CAAkC,CAAlC,CACH,CACJ,CACJ,CAOD,QAASC,CAAAA,CAAT,CAAwBC,CAAxB,CAAwC,CACpCA,CAAc,CAACT,QAAf,CAAwBM,IAAxB,CAA6B,UAA7B,KACAG,CAAc,CAACT,QAAf,CAAwBM,IAAxB,CAA6B,SAA7B,KACAG,CAAc,CAACR,cAAf,CAA8BM,GAA9B,CAAkC,CAAlC,CACH,CAKD,QAASG,CAAAA,CAAT,EAAiC,CAC7BP,CAAiB,CAACN,CAAe,CAACK,IAAjB,CAAuBL,CAAe,CAACC,IAAvC,CAAjB,CACAK,CAAiB,CAACN,CAAe,CAACC,IAAjB,CAAuBD,CAAe,CAACK,IAAvC,CAAjB,CACA,GAAIL,CAAe,CAACC,IAAhB,CAAqBC,SAArB,CAA+BO,IAA/B,CAAoC,SAApC,GAAkDT,CAAe,CAACK,IAAhB,CAAqBH,SAArB,CAA+BO,IAA/B,CAAoC,SAApC,CAAtD,CAAsG,CAClGE,CAAc,CAACX,CAAe,CAACC,IAAjB,CAAd,CACAU,CAAc,CAACX,CAAe,CAACK,IAAjB,CACjB,CACJ,CAED,MAAiD,CAI7CS,IAAI,CAAE,eAAW,CACbd,CAAe,CAACC,IAAhB,CAAqBC,SAArB,CAAiCH,CAAC,CAAC,iCAAD,CAAlC,CACAC,CAAe,CAACC,IAAhB,CAAqBE,QAArB,CAAgCJ,CAAC,CAAC,gCAAD,CAAjC,CACAC,CAAe,CAACC,IAAhB,CAAqBG,cAArB,CAAsCL,CAAC,CAAC,6DAAD,CAAvC,CACAC,CAAe,CAACK,IAAhB,CAAqBH,SAArB,CAAiCH,CAAC,CAAC,iCAAD,CAAlC,CACAC,CAAe,CAACK,IAAhB,CAAqBF,QAArB,CAAgCJ,CAAC,CAAC,gCAAD,CAAjC,CACAC,CAAe,CAACK,IAAhB,CAAqBD,cAArB,CAAsCL,CAAC,CAAC,6DAAD,CAAvC,CACAC,CAAe,CAACC,IAAhB,CAAqBC,SAArB,CAA+Ba,EAA/B,CAAkC,QAAlC,CAA4CF,CAA5C,EACAb,CAAe,CAACK,IAAhB,CAAqBH,SAArB,CAA+Ba,EAA/B,CAAkC,QAAlC,CAA4CF,CAA5C,EACAA,CAAqB,EACxB,CAd4C,CAgBpD,CA5EK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Additional javascript for the Workshop module form.\n *\n * @module      mod_workshop/modform\n * @copyright   The Open University 2018\n * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    var submissionTypes = {\n        text: {\n            available: null,\n            required: null,\n            requiredHidden: null\n        },\n        file: {\n            available: null,\n            required: null,\n            requiredHidden: null\n        }\n    };\n\n    /**\n     * Determine whether one of the submission types has been marked as not available.\n     *\n     * If it has been marked not available, clear and disable its required checkbox.  Then determine if the other submission\n     * type is available, and if it is, check and disable its required checkbox.\n     *\n     * @param {Object} checkUnavailable\n     * @param {Object} checkAvailable\n     */\n    function checkAvailability(checkUnavailable, checkAvailable) {\n        if (!checkUnavailable.available.prop('checked')) {\n            checkUnavailable.required.prop('disabled', true);\n            checkUnavailable.required.prop('checked', false);\n            if (checkAvailable.available.prop('checked')) {\n                checkAvailable.required.prop('disabled', true);\n                checkAvailable.required.prop('checked', true);\n                // Also set the checkbox's hidden field to 1 so a 'required' value is submitted for the submission type.\n                checkAvailable.requiredHidden.val(1);\n            }\n        }\n    }\n\n    /**\n     * Enable the submission type's required checkbox and uncheck it.\n     *\n     * @param {Object} submissionType\n     */\n    function enableRequired(submissionType) {\n        submissionType.required.prop('disabled', false);\n        submissionType.required.prop('checked', false);\n        submissionType.requiredHidden.val(0);\n    }\n\n    /**\n     * Check which submission types have been marked as available, and disable required checkboxes as necessary.\n     */\n    function submissionTypeChanged() {\n        checkAvailability(submissionTypes.file, submissionTypes.text);\n        checkAvailability(submissionTypes.text, submissionTypes.file);\n        if (submissionTypes.text.available.prop('checked') && submissionTypes.file.available.prop('checked')) {\n            enableRequired(submissionTypes.text);\n            enableRequired(submissionTypes.file);\n        }\n    }\n\n    return /** @alias module:mod_workshop/modform */ {\n        /**\n         * Find all the required fields, set up event listeners, and set the initial state of required checkboxes.\n         */\n        init: function() {\n            submissionTypes.text.available = $('#id_submissiontypetextavailable');\n            submissionTypes.text.required = $('#id_submissiontypetextrequired');\n            submissionTypes.text.requiredHidden = $('input[name=\"submissiontypetextrequired\"][type=\"hidden\"]');\n            submissionTypes.file.available = $('#id_submissiontypefileavailable');\n            submissionTypes.file.required = $('#id_submissiontypefilerequired');\n            submissionTypes.file.requiredHidden = $('input[name=\"submissiontypefilerequired\"][type=\"hidden\"]');\n            submissionTypes.text.available.on('change', submissionTypeChanged);\n            submissionTypes.file.available.on('change', submissionTypeChanged);\n            submissionTypeChanged();\n        }\n    };\n});\n"],"file":"modform.min.js"}
\ No newline at end of file
+{"version":3,"file":"modform.min.js","sources":["../src/modform.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Additional javascript for the Workshop module form.\n *\n * @module      mod_workshop/modform\n * @copyright   The Open University 2018\n * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    var submissionTypes = {\n        text: {\n            available: null,\n            required: null,\n            requiredHidden: null\n        },\n        file: {\n            available: null,\n            required: null,\n            requiredHidden: null\n        }\n    };\n\n    /**\n     * Determine whether one of the submission types has been marked as not available.\n     *\n     * If it has been marked not available, clear and disable its required checkbox.  Then determine if the other submission\n     * type is available, and if it is, check and disable its required checkbox.\n     *\n     * @param {Object} checkUnavailable\n     * @param {Object} checkAvailable\n     */\n    function checkAvailability(checkUnavailable, checkAvailable) {\n        if (!checkUnavailable.available.prop('checked')) {\n            checkUnavailable.required.prop('disabled', true);\n            checkUnavailable.required.prop('checked', false);\n            if (checkAvailable.available.prop('checked')) {\n                checkAvailable.required.prop('disabled', true);\n                checkAvailable.required.prop('checked', true);\n                // Also set the checkbox's hidden field to 1 so a 'required' value is submitted for the submission type.\n                checkAvailable.requiredHidden.val(1);\n            }\n        }\n    }\n\n    /**\n     * Enable the submission type's required checkbox and uncheck it.\n     *\n     * @param {Object} submissionType\n     */\n    function enableRequired(submissionType) {\n        submissionType.required.prop('disabled', false);\n        submissionType.required.prop('checked', false);\n        submissionType.requiredHidden.val(0);\n    }\n\n    /**\n     * Check which submission types have been marked as available, and disable required checkboxes as necessary.\n     */\n    function submissionTypeChanged() {\n        checkAvailability(submissionTypes.file, submissionTypes.text);\n        checkAvailability(submissionTypes.text, submissionTypes.file);\n        if (submissionTypes.text.available.prop('checked') && submissionTypes.file.available.prop('checked')) {\n            enableRequired(submissionTypes.text);\n            enableRequired(submissionTypes.file);\n        }\n    }\n\n    return /** @alias module:mod_workshop/modform */ {\n        /**\n         * Find all the required fields, set up event listeners, and set the initial state of required checkboxes.\n         */\n        init: function() {\n            submissionTypes.text.available = $('#id_submissiontypetextavailable');\n            submissionTypes.text.required = $('#id_submissiontypetextrequired');\n            submissionTypes.text.requiredHidden = $('input[name=\"submissiontypetextrequired\"][type=\"hidden\"]');\n            submissionTypes.file.available = $('#id_submissiontypefileavailable');\n            submissionTypes.file.required = $('#id_submissiontypefilerequired');\n            submissionTypes.file.requiredHidden = $('input[name=\"submissiontypefilerequired\"][type=\"hidden\"]');\n            submissionTypes.text.available.on('change', submissionTypeChanged);\n            submissionTypes.file.available.on('change', submissionTypeChanged);\n            submissionTypeChanged();\n        }\n    };\n});\n"],"names":["define","$","submissionTypes","text","available","required","requiredHidden","file","checkAvailability","checkUnavailable","checkAvailable","prop","val","enableRequired","submissionType","submissionTypeChanged","init","on"],"mappings":";;;;;;;AAsBAA,8BAAO,CAAC,WAAW,SAASC,OAEpBC,gBAAkB,CAClBC,KAAM,CACFC,UAAW,KACXC,SAAU,KACVC,eAAgB,MAEpBC,KAAM,CACFH,UAAW,KACXC,SAAU,KACVC,eAAgB,gBAafE,kBAAkBC,iBAAkBC,gBACpCD,iBAAiBL,UAAUO,KAAK,aACjCF,iBAAiBJ,SAASM,KAAK,YAAY,GAC3CF,iBAAiBJ,SAASM,KAAK,WAAW,GACtCD,eAAeN,UAAUO,KAAK,aAC9BD,eAAeL,SAASM,KAAK,YAAY,GACzCD,eAAeL,SAASM,KAAK,WAAW,GAExCD,eAAeJ,eAAeM,IAAI,cAUrCC,eAAeC,gBACpBA,eAAeT,SAASM,KAAK,YAAY,GACzCG,eAAeT,SAASM,KAAK,WAAW,GACxCG,eAAeR,eAAeM,IAAI,YAM7BG,wBACLP,kBAAkBN,gBAAgBK,KAAML,gBAAgBC,MACxDK,kBAAkBN,gBAAgBC,KAAMD,gBAAgBK,MACpDL,gBAAgBC,KAAKC,UAAUO,KAAK,YAAcT,gBAAgBK,KAAKH,UAAUO,KAAK,aACtFE,eAAeX,gBAAgBC,MAC/BU,eAAeX,gBAAgBK,aAIU,CAI7CS,KAAM,WACFd,gBAAgBC,KAAKC,UAAYH,EAAE,mCACnCC,gBAAgBC,KAAKE,SAAWJ,EAAE,kCAClCC,gBAAgBC,KAAKG,eAAiBL,EAAE,2DACxCC,gBAAgBK,KAAKH,UAAYH,EAAE,mCACnCC,gBAAgBK,KAAKF,SAAWJ,EAAE,kCAClCC,gBAAgBK,KAAKD,eAAiBL,EAAE,2DACxCC,gBAAgBC,KAAKC,UAAUa,GAAG,SAAUF,uBAC5Cb,gBAAgBK,KAAKH,UAAUa,GAAG,SAAUF,uBAC5CA"}
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diff --git a/mod/workshop/amd/build/workshopview.min.js b/mod/workshop/amd/build/workshopview.min.js
index 648c85c41de..b3d7887fd81 100644
--- a/mod/workshop/amd/build/workshopview.min.js
+++ b/mod/workshop/amd/build/workshopview.min.js
@@ -1,2 +1,11 @@
-define ("mod_workshop/workshopview",["jquery"],function(a){function b(b){var c=0;b.height("auto");b.each(function(){var b=a(this).height();if(b>c){c=b}});b.height(c)}return{init:function init(){var c=a(".path-mod-workshop .userplan dt"),d=a(".path-mod-workshop .userplan dd");b(c);b(d);a(window).on("resize",function(){b(c);b(d)})}}});
-//# sourceMappingURL=workshopview.min.js.map
+/**
+ * Sets the equal height to the user plan widget boxes.
+ *
+ * @module      mod_workshop/workshopview
+ * @category    output
+ * @copyright   Loc Nguyen <loc.nguyendinh@harveynash.vn>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("mod_workshop/workshopview",["jquery"],(function($){function equalHeight(group){var tallest=0;group.height("auto"),group.each((function(){var thisHeight=$(this).height();thisHeight>tallest&&(tallest=thisHeight)})),group.height(tallest)}return{init:function(){var $dt=$(".path-mod-workshop .userplan dt"),$dd=$(".path-mod-workshop .userplan dd");equalHeight($dt),equalHeight($dd),$(window).on("resize",(function(){equalHeight($dt),equalHeight($dd)}))}}}));
+
+//# sourceMappingURL=workshopview.min.js.map
\ No newline at end of file
diff --git a/mod/workshop/amd/build/workshopview.min.js.map b/mod/workshop/amd/build/workshopview.min.js.map
index 6d92c260c01..d8953ff22a8 100644
--- a/mod/workshop/amd/build/workshopview.min.js.map
+++ b/mod/workshop/amd/build/workshopview.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/workshopview.js"],"names":["define","$","equalHeight","group","tallest","height","each","thisHeight","init","$dt","$dd","window","on"],"mappings":"AAuBAA,OAAM,6BAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAO3B,QAASC,CAAAA,CAAT,CAAqBC,CAArB,CAA4B,CACxB,GAAIC,CAAAA,CAAO,CAAG,CAAd,CACAD,CAAK,CAACE,MAAN,CAAa,MAAb,EACAF,CAAK,CAACG,IAAN,CAAW,UAAW,CAClB,GAAIC,CAAAA,CAAU,CAAGN,CAAC,CAAC,IAAD,CAAD,CAAQI,MAAR,EAAjB,CACA,GAAIE,CAAU,CAAGH,CAAjB,CAA0B,CACtBA,CAAO,CAAGG,CACb,CACJ,CALD,EAMAJ,CAAK,CAACE,MAAN,CAAaD,CAAb,CACH,CAED,MAAsD,CAClDI,IAAI,CAAE,eAAW,IACTC,CAAAA,CAAG,CAAGR,CAAC,CAAC,iCAAD,CADE,CAETS,CAAG,CAAGT,CAAC,CAAC,iCAAD,CAFE,CAGbC,CAAW,CAACO,CAAD,CAAX,CACAP,CAAW,CAACQ,CAAD,CAAX,CACAT,CAAC,CAACU,MAAD,CAAD,CAAUC,EAAV,CAAa,QAAb,CAAuB,UAAW,CAC9BV,CAAW,CAACO,CAAD,CAAX,CACAP,CAAW,CAACQ,CAAD,CACd,CAHD,CAIH,CAViD,CAYzD,CA/BK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Sets the equal height to the user plan widget boxes.\n *\n * @module      mod_workshop/workshopview\n * @category    output\n * @copyright   Loc Nguyen <loc.nguyendinh@harveynash.vn>\n * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Sets the equal height to all elements in the group.\n     *\n     * @param {jQuery} group List of nodes.\n     */\n    function equalHeight(group) {\n        var tallest = 0;\n        group.height('auto');\n        group.each(function() {\n            var thisHeight = $(this).height();\n            if (thisHeight > tallest) {\n                tallest = thisHeight;\n            }\n        });\n        group.height(tallest);\n    }\n\n    return /** @alias module:mod_workshop/workshopview */ {\n        init: function() {\n            var $dt = $('.path-mod-workshop .userplan dt');\n            var $dd = $('.path-mod-workshop .userplan dd');\n            equalHeight($dt);\n            equalHeight($dd);\n            $(window).on(\"resize\", function() {\n                equalHeight($dt);\n                equalHeight($dd);\n            });\n        }\n    };\n});\n"],"file":"workshopview.min.js"}
\ No newline at end of file
+{"version":3,"file":"workshopview.min.js","sources":["../src/workshopview.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Sets the equal height to the user plan widget boxes.\n *\n * @module      mod_workshop/workshopview\n * @category    output\n * @copyright   Loc Nguyen <loc.nguyendinh@harveynash.vn>\n * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery'], function($) {\n\n    /**\n     * Sets the equal height to all elements in the group.\n     *\n     * @param {jQuery} group List of nodes.\n     */\n    function equalHeight(group) {\n        var tallest = 0;\n        group.height('auto');\n        group.each(function() {\n            var thisHeight = $(this).height();\n            if (thisHeight > tallest) {\n                tallest = thisHeight;\n            }\n        });\n        group.height(tallest);\n    }\n\n    return /** @alias module:mod_workshop/workshopview */ {\n        init: function() {\n            var $dt = $('.path-mod-workshop .userplan dt');\n            var $dd = $('.path-mod-workshop .userplan dd');\n            equalHeight($dt);\n            equalHeight($dd);\n            $(window).on(\"resize\", function() {\n                equalHeight($dt);\n                equalHeight($dd);\n            });\n        }\n    };\n});\n"],"names":["define","$","equalHeight","group","tallest","height","each","thisHeight","this","init","$dt","$dd","window","on"],"mappings":";;;;;;;;AAuBAA,mCAAO,CAAC,WAAW,SAASC,YAOfC,YAAYC,WACbC,QAAU,EACdD,MAAME,OAAO,QACbF,MAAMG,MAAK,eACHC,WAAaN,EAAEO,MAAMH,SACrBE,WAAaH,UACbA,QAAUG,eAGlBJ,MAAME,OAAOD,eAGqC,CAClDK,KAAM,eACEC,IAAMT,EAAE,mCACRU,IAAMV,EAAE,mCACZC,YAAYQ,KACZR,YAAYS,KACZV,EAAEW,QAAQC,GAAG,UAAU,WACnBX,YAAYQ,KACZR,YAAYS"}
\ No newline at end of file
diff --git a/npm-shrinkwrap.json b/npm-shrinkwrap.json
index 6e03bff08d3..bdcc1b4eefe 100644
--- a/npm-shrinkwrap.json
+++ b/npm-shrinkwrap.json
@@ -32,10 +32,12 @@
         "grunt-contrib-uglify": "5.0.1",
         "grunt-contrib-watch": "1.1.0",
         "grunt-eslint": "24.0.0",
+        "grunt-rollup": "^11.9.0",
         "grunt-sass": "3.1.0",
         "grunt-stylelint": "0.15.0",
         "jshint": "^2.13.4",
         "node-sass": "^7.0.1",
+        "rollup-plugin-terser": "^7.0.2",
         "semver": "7.3.5",
         "shifter": "https://github.com/andrewnicols/shifter/archive/v1.2.0_moodle-0.tar.gz",
         "stylelint": "13.3.3",
@@ -4571,6 +4573,20 @@
       "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
       "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8="
     },
+    "node_modules/fsevents": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.2.tgz",
+      "integrity": "sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==",
+      "dev": true,
+      "hasInstallScript": true,
+      "optional": true,
+      "os": [
+        "darwin"
+      ],
+      "engines": {
+        "node": "^8.16.0 || ^10.6.0 || >=11.0.0"
+      }
+    },
     "node_modules/function-bind": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
@@ -5390,6 +5406,21 @@
         "node": ">= 8"
       }
     },
+    "node_modules/grunt-rollup": {
+      "version": "11.9.0",
+      "resolved": "https://registry.npmjs.org/grunt-rollup/-/grunt-rollup-11.9.0.tgz",
+      "integrity": "sha512-XwHW5XDU7NI/Z9FcN5QO9uoe5pmXOVUgzW2ENReczwO/DAFpZ4dP324XNBC27i9OJWBoqKKH+D28BoZGKZq33Q==",
+      "dev": true,
+      "dependencies": {
+        "rollup": "^2.66.0"
+      },
+      "engines": {
+        "node": ">=8.6.0"
+      },
+      "peerDependencies": {
+        "grunt": ">=0.4.0"
+      }
+    },
     "node_modules/grunt-sass": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/grunt-sass/-/grunt-sass-3.1.0.tgz",
@@ -6364,6 +6395,41 @@
       "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
       "dev": true
     },
+    "node_modules/jest-worker": {
+      "version": "26.6.2",
+      "resolved": "https://registry.npmjs.org/jest-worker/-/jest-worker-26.6.2.tgz",
+      "integrity": "sha512-KWYVV1c4i+jbMpaBC+U++4Va0cp8OisU185o73T1vo99hqi7w8tSJfUXYswwqqrjzwxa6KpRK54WhPvwf5w6PQ==",
+      "dev": true,
+      "dependencies": {
+        "@types/node": "*",
+        "merge-stream": "^2.0.0",
+        "supports-color": "^7.0.0"
+      },
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@@ -8838,6 +8919,36 @@
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@@ -8946,6 +9057,15 @@
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@@ -9993,6 +10113,39 @@
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@@ -14860,6 +15020,15 @@
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@@ -15542,6 +15711,34 @@
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@@ -16242,6 +16439,12 @@
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+    "randombytes": {
+      "version": "2.1.0",
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@@ -17467,6 +17679,27 @@
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+    "rollup": {
+      "version": "2.67.3",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-2.67.3.tgz",
+      "integrity": "sha512-G/x1vUwbGtP6O5ZM8/sWr8+p7YfZhI18pPqMRtMYMWSbHjKZ/ajHGiM+GWNTlWyOR0EHIdT8LHU+Z4ciIZ1oBw==",
+      "dev": true,
+      "requires": {
+        "fsevents": "~2.3.2"
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+      "version": "7.0.2",
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+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.10.4",
+        "jest-worker": "^26.2.1",
+        "serialize-javascript": "^4.0.0",
+        "terser": "^5.0.0"
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@@ -17558,6 +17791,15 @@
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+    "serialize-javascript": {
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+      "resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-4.0.0.tgz",
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+      "dev": true,
+      "requires": {
+        "randombytes": "^2.1.0"
+      }
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     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
@@ -17700,9 +17942,9 @@
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@@ -18388,6 +18630,32 @@
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+    "terser": {
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+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.11.0.tgz",
+      "integrity": "sha512-uCA9DLanzzWSsN1UirKwylhhRz3aKPInlfmpGfw8VN6jHsAtu8HJtIpeeHHK23rxnE/cDc+yvmq5wqkIC6Kn0A==",
+      "dev": true,
+      "requires": {
+        "acorn": "^8.5.0",
+        "commander": "^2.20.0",
+        "source-map": "~0.7.2",
+        "source-map-support": "~0.5.20"
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+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.7.3.tgz",
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+        }
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diff --git a/package.json b/package.json
index 2f35e677ae6..d2de2dccf7a 100644
--- a/package.json
+++ b/package.json
@@ -26,10 +26,12 @@
     "grunt-contrib-uglify": "5.0.1",
     "grunt-contrib-watch": "1.1.0",
     "grunt-eslint": "24.0.0",
+    "grunt-rollup": "^11.9.0",
     "grunt-sass": "3.1.0",
     "grunt-stylelint": "0.15.0",
     "jshint": "^2.13.4",
     "node-sass": "^7.0.1",
+    "rollup-plugin-terser": "^7.0.2",
     "semver": "7.3.5",
     "shifter": "https://github.com/andrewnicols/shifter/archive/v1.2.0_moodle-0.tar.gz",
     "stylelint": "13.3.3",
diff --git a/question/amd/build/edit_tags.min.js b/question/amd/build/edit_tags.min.js
index 785d7adb073..55700093faa 100644
--- a/question/amd/build/edit_tags.min.js
+++ b/question/amd/build/edit_tags.min.js
@@ -1,2 +1,10 @@
-define ("core_question/edit_tags",["jquery","core/fragment","core/str","core/modal_events","core/modal_factory","core/notification","core/custom_interaction_events","core_question/repository","core_question/selectors"],function(a,b,c,d,e,f,g,h,i){var j=function(a){a.find(i.actions.save).prop("disabled",!1)},k=function(a){a.find(i.actions.save).prop("disabled",!0)},l=function(a){return a.getBody().find("form").serialize()},m=function(a){var b=a.find(i.containers.loadingIcon);b.removeClass("hidden")},n=function(a){var b=a.find(i.containers.loadingIcon);b.addClass("hidden")},o=function(a,b){a.getBody().attr("data-contextid",b)},p=function(a){return a.getBody().data("contextid")},q=function(a,b){a.getBody().attr("data-questionid",b)},r=function(a){return a.getBody().data("questionid")},s=function(h){var l=e.create({type:e.types.SAVE_CANCEL,large:!1},[h,i.actions.edittags]).then(function(a){c.get_string("questiontags","question").then(function(b){a.setTitle(b);return b}).fail(f.exception);a.getRoot().on(d.save,function(b){var c=a.getBody().find("form");c.submit();b.preventDefault()});a.getRoot().on("submit","form",function(b){t(a,h).then(function(){a.hide();location.reload()}).fail(f.exception);b.preventDefault();b.stopPropagation()});return a});h.on(g.events.activate,i.actions.edittags,function(c){var d=a(c.currentTarget),e=d.data("questionid"),g=!!d.data("cantag"),p=d.data("contextid");l.then(function(a){k(h);m(h);var c=b.loadFragment("question","tags_form",p,{id:e});a.setBody(c);c.then(function(){j(h)}).always(function(){n(h)}).fail(f.exception);if(g){a.getRoot().find(i.actions.save).show()}else{a.getRoot().find(i.actions.save).hide()}q(a,e);o(a,p);return a}).fail(f.exception);c.preventDefault()})},t=function(a,b){k(b);m(b);var c=l(a),d=r(a),e=p(a);return h.submitTagCreateUpdateForm(d,e,c).always(function(){n(b);j(b)}).fail(f.exception)};return{init:function init(b){b=a(b);s(b)}}});
-//# sourceMappingURL=edit_tags.min.js.map
+/**
+ * A javascript module to handle question tags editing.
+ *
+ * @module     core_question/edit_tags
+ * @copyright  2018 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_question/edit_tags",["jquery","core/fragment","core/str","core/modal_events","core/modal_factory","core/notification","core/custom_interaction_events","core_question/repository","core_question/selectors"],(function($,Fragment,Str,ModalEvents,ModalFactory,Notification,CustomEvents,Repository,QuestionSelectors){var enableSaveButton=function(root){root.find(QuestionSelectors.actions.save).prop("disabled",!1)},disableSaveButton=function(root){root.find(QuestionSelectors.actions.save).prop("disabled",!0)},startLoading=function(root){root.find(QuestionSelectors.containers.loadingIcon).removeClass("hidden")},stopLoading=function(root){root.find(QuestionSelectors.containers.loadingIcon).addClass("hidden")},save=function(modal,root){disableSaveButton(root),startLoading(root);var formData=function(modal){return modal.getBody().find("form").serialize()}(modal),questionId=function(modal){return modal.getBody().data("questionid")}(modal),contextId=function(modal){return modal.getBody().data("contextid")}(modal);return Repository.submitTagCreateUpdateForm(questionId,contextId,formData).always((function(){stopLoading(root),enableSaveButton(root)})).fail(Notification.exception)};return{init:function(root){!function(root){var modalPromise=ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,large:!1},[root,QuestionSelectors.actions.edittags]).then((function(modal){return Str.get_string("questiontags","question").then((function(string){return modal.setTitle(string),string})).fail(Notification.exception),modal.getRoot().on(ModalEvents.save,(function(e){modal.getBody().find("form").submit(),e.preventDefault()})),modal.getRoot().on("submit","form",(function(e){save(modal,root).then((function(){modal.hide(),location.reload()})).fail(Notification.exception),e.preventDefault(),e.stopPropagation()})),modal}));root.on(CustomEvents.events.activate,QuestionSelectors.actions.edittags,(function(e){var currentTarget=$(e.currentTarget),questionId=currentTarget.data("questionid"),canTag=!!currentTarget.data("cantag"),contextId=currentTarget.data("contextid");modalPromise.then((function(modal){disableSaveButton(root),startLoading(root);var args={id:questionId},tagsFragment=Fragment.loadFragment("question","tags_form",contextId,args);return modal.setBody(tagsFragment),tagsFragment.then((function(){enableSaveButton(root)})).always((function(){stopLoading(root)})).fail(Notification.exception),canTag?modal.getRoot().find(QuestionSelectors.actions.save).show():modal.getRoot().find(QuestionSelectors.actions.save).hide(),function(modal,questionId){modal.getBody().attr("data-questionid",questionId)}(modal,questionId),function(modal,contextId){modal.getBody().attr("data-contextid",contextId)}(modal,contextId),modal})).fail(Notification.exception),e.preventDefault()}))}(root=$(root))}}}));
+
+//# sourceMappingURL=edit_tags.min.js.map
\ No newline at end of file
diff --git a/question/amd/build/edit_tags.min.js.map b/question/amd/build/edit_tags.min.js.map
index 0952d5dad3e..341546cd55a 100644
--- a/question/amd/build/edit_tags.min.js.map
+++ b/question/amd/build/edit_tags.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/edit_tags.js"],"names":["define","$","Fragment","Str","ModalEvents","ModalFactory","Notification","CustomEvents","Repository","QuestionSelectors","enableSaveButton","root","find","actions","save","prop","disableSaveButton","getFormData","modal","getBody","serialize","startLoading","loadingIconContainer","containers","loadingIcon","removeClass","stopLoading","addClass","setContextId","contextId","attr","getContextId","data","setQuestionId","questionId","getQuestionId","registerEventListeners","modalPromise","create","type","types","SAVE_CANCEL","large","edittags","then","get_string","string","setTitle","fail","exception","getRoot","on","e","form","submit","preventDefault","hide","location","reload","stopPropagation","events","activate","currentTarget","canTag","tagsFragment","loadFragment","id","setBody","always","show","formData","submitTagCreateUpdateForm","init"],"mappings":"AAsBAA,OAAM,2BAAC,CACK,QADL,CAEK,eAFL,CAGK,UAHL,CAIK,mBAJL,CAKK,oBALL,CAMK,mBANL,CAOK,gCAPL,CAQK,0BARL,CASK,yBATL,CAAD,CAWE,SACIC,CADJ,CAEIC,CAFJ,CAGIC,CAHJ,CAIIC,CAJJ,CAKIC,CALJ,CAMIC,CANJ,CAOIC,CAPJ,CAQIC,CARJ,CASIC,CATJ,CAUE,IAQFC,CAAAA,CAAgB,CAAG,SAASC,CAAT,CAAe,CAClCA,CAAI,CAACC,IAAL,CAAUH,CAAiB,CAACI,OAAlB,CAA0BC,IAApC,EAA0CC,IAA1C,CAA+C,UAA/C,IACH,CAVK,CAkBFC,CAAiB,CAAG,SAASL,CAAT,CAAe,CACnCA,CAAI,CAACC,IAAL,CAAUH,CAAiB,CAACI,OAAlB,CAA0BC,IAApC,EAA0CC,IAA1C,CAA+C,UAA/C,IACH,CApBK,CA6BFE,CAAW,CAAG,SAASC,CAAT,CAAgB,CAC9B,MAAOA,CAAAA,CAAK,CAACC,OAAN,GAAgBP,IAAhB,CAAqB,MAArB,EAA6BQ,SAA7B,EACV,CA/BK,CAuCFC,CAAY,CAAG,SAASV,CAAT,CAAe,CAC9B,GAAIW,CAAAA,CAAoB,CAAGX,CAAI,CAACC,IAAL,CAAUH,CAAiB,CAACc,UAAlB,CAA6BC,WAAvC,CAA3B,CAEAF,CAAoB,CAACG,WAArB,CAAiC,QAAjC,CACH,CA3CK,CAmDFC,CAAW,CAAG,SAASf,CAAT,CAAe,CAC7B,GAAIW,CAAAA,CAAoB,CAAGX,CAAI,CAACC,IAAL,CAAUH,CAAiB,CAACc,UAAlB,CAA6BC,WAAvC,CAA3B,CAEAF,CAAoB,CAACK,QAArB,CAA8B,QAA9B,CACH,CAvDK,CA+DFC,CAAY,CAAG,SAASV,CAAT,CAAgBW,CAAhB,CAA2B,CAC1CX,CAAK,CAACC,OAAN,GAAgBW,IAAhB,CAAqB,gBAArB,CAAuCD,CAAvC,CACH,CAjEK,CAyEFE,CAAY,CAAG,SAASb,CAAT,CAAgB,CAC/B,MAAOA,CAAAA,CAAK,CAACC,OAAN,GAAgBa,IAAhB,CAAqB,WAArB,CACV,CA3EK,CAmFFC,CAAa,CAAG,SAASf,CAAT,CAAgBgB,CAAhB,CAA4B,CAC5ChB,CAAK,CAACC,OAAN,GAAgBW,IAAhB,CAAqB,iBAArB,CAAwCI,CAAxC,CACH,CArFK,CA6FFC,CAAa,CAAG,SAASjB,CAAT,CAAgB,CAChC,MAAOA,CAAAA,CAAK,CAACC,OAAN,GAAgBa,IAAhB,CAAqB,YAArB,CACV,CA/FK,CAsGFI,CAAsB,CAAG,SAASzB,CAAT,CAAe,CACxC,GAAI0B,CAAAA,CAAY,CAAGhC,CAAY,CAACiC,MAAb,CACf,CACIC,IAAI,CAAElC,CAAY,CAACmC,KAAb,CAAmBC,WAD7B,CAEIC,KAAK,GAFT,CADe,CAKf,CAAC/B,CAAD,CAAOF,CAAiB,CAACI,OAAlB,CAA0B8B,QAAjC,CALe,EAMjBC,IANiB,CAMZ,SAAS1B,CAAT,CAAgB,CAInBf,CAAG,CAAC0C,UAAJ,CAAe,cAAf,CAA+B,UAA/B,EACKD,IADL,CACU,SAASE,CAAT,CAAiB,CACnB5B,CAAK,CAAC6B,QAAN,CAAeD,CAAf,EACA,MAAOA,CAAAA,CACV,CAJL,EAKKE,IALL,CAKU1C,CAAY,CAAC2C,SALvB,EAOA/B,CAAK,CAACgC,OAAN,GAAgBC,EAAhB,CAAmB/C,CAAW,CAACU,IAA/B,CAAqC,SAASsC,CAAT,CAAY,CAC7C,GAAIC,CAAAA,CAAI,CAAGnC,CAAK,CAACC,OAAN,GAAgBP,IAAhB,CAAqB,MAArB,CAAX,CACAyC,CAAI,CAACC,MAAL,GACAF,CAAC,CAACG,cAAF,EACH,CAJD,EAMArC,CAAK,CAACgC,OAAN,GAAgBC,EAAhB,CAAmB,QAAnB,CAA6B,MAA7B,CAAqC,SAASC,CAAT,CAAY,CAC7CtC,CAAI,CAACI,CAAD,CAAQP,CAAR,CAAJ,CAAkBiC,IAAlB,CAAuB,UAAW,CAC9B1B,CAAK,CAACsC,IAAN,GACAC,QAAQ,CAACC,MAAT,EAEH,CAJD,EAIGV,IAJH,CAIQ1C,CAAY,CAAC2C,SAJrB,EAQAG,CAAC,CAACG,cAAF,GACAH,CAAC,CAACO,eAAF,EACH,CAXD,EAaA,MAAOzC,CAAAA,CACV,CArCkB,CAAnB,CA0CAP,CAAI,CAACwC,EAAL,CAAQ5C,CAAY,CAACqD,MAAb,CAAoBC,QAA5B,CAAsCpD,CAAiB,CAACI,OAAlB,CAA0B8B,QAAhE,CAA0E,SAASS,CAAT,CAAY,IAC9EU,CAAAA,CAAa,CAAG7D,CAAC,CAACmD,CAAC,CAACU,aAAH,CAD6D,CAG9E5B,CAAU,CAAG4B,CAAa,CAAC9B,IAAd,CAAmB,YAAnB,CAHiE,CAI9E+B,CAAM,CAAG,CAAC,CAACD,CAAa,CAAC9B,IAAd,CAAmB,QAAnB,CAJmE,CAK9EH,CAAS,CAAGiC,CAAa,CAAC9B,IAAd,CAAmB,WAAnB,CALkE,CASlFK,CAAY,CAACO,IAAb,CAAkB,SAAS1B,CAAT,CAAgB,CAE9BF,CAAiB,CAACL,CAAD,CAAjB,CACAU,CAAY,CAACV,CAAD,CAAZ,CAH8B,GAS1BqD,CAAAA,CAAY,CAAG9D,CAAQ,CAAC+D,YAAT,CAAsB,UAAtB,CAAkC,WAAlC,CAA+CpC,CAA/C,CAJR,CACPqC,EAAE,CAAEhC,CADG,CAIQ,CATW,CAU9BhB,CAAK,CAACiD,OAAN,CAAcH,CAAd,EAEAA,CAAY,CAACpB,IAAb,CAAkB,UAAW,CACrBlC,CAAgB,CAACC,CAAD,CAEnB,CAHL,EAIKyD,MAJL,CAIY,UAAW,CAGf1C,CAAW,CAACf,CAAD,CAEd,CATL,EAUCqC,IAVD,CAUM1C,CAAY,CAAC2C,SAVnB,EAcA,GAAIc,CAAJ,CAAY,CACR7C,CAAK,CAACgC,OAAN,GAAgBtC,IAAhB,CAAqBH,CAAiB,CAACI,OAAlB,CAA0BC,IAA/C,EAAqDuD,IAArD,EACH,CAFD,IAEO,CACHnD,CAAK,CAACgC,OAAN,GAAgBtC,IAAhB,CAAqBH,CAAiB,CAACI,OAAlB,CAA0BC,IAA/C,EAAqD0C,IAArD,EACH,CAEDvB,CAAa,CAACf,CAAD,CAAQgB,CAAR,CAAb,CACAN,CAAY,CAACV,CAAD,CAAQW,CAAR,CAAZ,CAEA,MAAOX,CAAAA,CACV,CApCD,EAoCG8B,IApCH,CAoCQ1C,CAAY,CAAC2C,SApCrB,EAsCAG,CAAC,CAACG,cAAF,EACH,CAhDD,CAiDH,CAlMK,CA4MFzC,CAAI,CAAG,SAASI,CAAT,CAAgBP,CAAhB,CAAsB,CAE7BK,CAAiB,CAACL,CAAD,CAAjB,CACAU,CAAY,CAACV,CAAD,CAAZ,CAH6B,GAKzB2D,CAAAA,CAAQ,CAAGrD,CAAW,CAACC,CAAD,CALG,CAMzBgB,CAAU,CAAGC,CAAa,CAACjB,CAAD,CAND,CAOzBW,CAAS,CAAGE,CAAY,CAACb,CAAD,CAPC,CAU7B,MAAOV,CAAAA,CAAU,CAAC+D,yBAAX,CAAqCrC,CAArC,CAAiDL,CAAjD,CAA4DyC,CAA5D,EACFF,MADE,CACK,UAAW,CAGf1C,CAAW,CAACf,CAAD,CAAX,CACAD,CAAgB,CAACC,CAAD,CAEnB,CAPE,EAQFqC,IARE,CAQG1C,CAAY,CAAC2C,SARhB,CASV,CA/NK,CAiON,MAAO,CACHuB,IAAI,CAAE,cAAS7D,CAAT,CAAe,CACjBA,CAAI,C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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle question tags editing.\n *\n * @module     core_question/edit_tags\n * @copyright  2018 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core/fragment',\n            'core/str',\n            'core/modal_events',\n            'core/modal_factory',\n            'core/notification',\n            'core/custom_interaction_events',\n            'core_question/repository',\n            'core_question/selectors',\n        ],\n        function(\n            $,\n            Fragment,\n            Str,\n            ModalEvents,\n            ModalFactory,\n            Notification,\n            CustomEvents,\n            Repository,\n            QuestionSelectors\n        ) {\n\n    /**\n     * Enable the save button in the footer.\n     *\n     * @param {object} root The container element.\n     * @method enableSaveButton\n     */\n    var enableSaveButton = function(root) {\n        root.find(QuestionSelectors.actions.save).prop('disabled', false);\n    };\n\n    /**\n     * Disable the save button in the footer.\n     *\n     * @param {object} root The container element.\n     * @method disableSaveButton\n     */\n    var disableSaveButton = function(root) {\n        root.find(QuestionSelectors.actions.save).prop('disabled', true);\n    };\n\n    /**\n     * Get the serialised form data.\n     *\n     * @method getFormData\n     * @param {object} modal The modal object.\n     * @return {string} serialised form data\n     */\n    var getFormData = function(modal) {\n        return modal.getBody().find('form').serialize();\n    };\n\n    /**\n     * Set the element state to loading.\n     *\n     * @param {object} root The container element\n     * @method startLoading\n     */\n    var startLoading = function(root) {\n        var loadingIconContainer = root.find(QuestionSelectors.containers.loadingIcon);\n\n        loadingIconContainer.removeClass('hidden');\n    };\n\n    /**\n     * Remove the loading state from the element.\n     *\n     * @param {object} root The container element\n     * @method stopLoading\n     */\n    var stopLoading = function(root) {\n        var loadingIconContainer = root.find(QuestionSelectors.containers.loadingIcon);\n\n        loadingIconContainer.addClass('hidden');\n    };\n\n    /**\n     * Set the context Id data attribute on the modal.\n     *\n     * @param {Promise} modal The modal promise.\n     * @param {int} contextId The context id.\n     */\n    var setContextId = function(modal, contextId) {\n        modal.getBody().attr('data-contextid', contextId);\n    };\n\n    /**\n     * Get the context Id data attribute value from the modal body.\n     *\n     * @param {Promise} modal The modal promise.\n     * @return {int} The context id.\n     */\n    var getContextId = function(modal) {\n        return modal.getBody().data('contextid');\n    };\n\n    /**\n     * Set the question Id data attribute on the modal.\n     *\n     * @param {Promise} modal The modal promise.\n     * @param {int} questionId The question Id.\n     */\n    var setQuestionId = function(modal, questionId) {\n        modal.getBody().attr('data-questionid', questionId);\n    };\n\n    /**\n     * Get the question Id data attribute value from the modal body.\n     *\n     * @param {Promise} modal The modal promise.\n     * @return {int} The question Id.\n     */\n    var getQuestionId = function(modal) {\n        return modal.getBody().data('questionid');\n    };\n\n    /**\n     * Register event listeners for the module.\n     *\n     * @param {object} root The calendar root element\n     */\n    var registerEventListeners = function(root) {\n        var modalPromise = ModalFactory.create(\n            {\n                type: ModalFactory.types.SAVE_CANCEL,\n                large: false\n            },\n            [root, QuestionSelectors.actions.edittags]\n        ).then(function(modal) {\n            // All of this code only executes once, when the modal is\n            // first created. This allows us to add any code that should\n            // only be run once, such as adding event handlers to the modal.\n            Str.get_string('questiontags', 'question')\n                .then(function(string) {\n                    modal.setTitle(string);\n                    return string;\n                })\n                .fail(Notification.exception);\n\n            modal.getRoot().on(ModalEvents.save, function(e) {\n                var form = modal.getBody().find('form');\n                form.submit();\n                e.preventDefault();\n            });\n\n            modal.getRoot().on('submit', 'form', function(e) {\n                save(modal, root).then(function() {\n                    modal.hide();\n                    location.reload();\n                    return;\n                }).fail(Notification.exception);\n\n                // Stop the form from actually submitting and prevent it's\n                // propagation because we have already handled the event.\n                e.preventDefault();\n                e.stopPropagation();\n            });\n\n            return modal;\n        });\n\n        // We need to add an event handler to the tags link because there are\n        // multiple links on the page and without adding a listener we don't know\n        // which one the user clicked on the show the modal.\n        root.on(CustomEvents.events.activate, QuestionSelectors.actions.edittags, function(e) {\n            var currentTarget = $(e.currentTarget);\n\n            var questionId = currentTarget.data('questionid'),\n                canTag = !!currentTarget.data('cantag'),\n                contextId = currentTarget.data('contextid');\n\n            // This code gets called each time the user clicks the tag link\n            // so we can use it to reload the contents of the tag modal.\n            modalPromise.then(function(modal) {\n                // Display spinner and disable save button.\n                disableSaveButton(root);\n                startLoading(root);\n\n                var args = {\n                    id: questionId\n                };\n\n                var tagsFragment = Fragment.loadFragment('question', 'tags_form', contextId, args);\n                modal.setBody(tagsFragment);\n\n                tagsFragment.then(function() {\n                        enableSaveButton(root);\n                        return;\n                    })\n                    .always(function() {\n                        // Always hide the loading spinner when the request\n                        // has completed.\n                        stopLoading(root);\n                        return;\n                    })\n                .fail(Notification.exception);\n\n                // Show or hide the save button depending on whether the user\n                // has the capability to edit the tags.\n                if (canTag) {\n                    modal.getRoot().find(QuestionSelectors.actions.save).show();\n                } else {\n                    modal.getRoot().find(QuestionSelectors.actions.save).hide();\n                }\n\n                setQuestionId(modal, questionId);\n                setContextId(modal, contextId);\n\n                return modal;\n            }).fail(Notification.exception);\n\n            e.preventDefault();\n        });\n    };\n\n    /**\n     * Send the form data to the server to save question tags.\n     *\n     * @method save\n     * @param {object} modal The modal object.\n     * @param {object} root The container element.\n     * @return {object} A promise\n     */\n    var save = function(modal, root) {\n        // Display spinner and disable save button.\n        disableSaveButton(root);\n        startLoading(root);\n\n        var formData = getFormData(modal);\n        var questionId = getQuestionId(modal);\n        var contextId = getContextId(modal);\n\n        // Send the form data to the server for processing.\n        return Repository.submitTagCreateUpdateForm(questionId, contextId, formData)\n            .always(function() {\n                // Regardless of success or error we should always stop\n                // the loading icon and re-enable the buttons.\n                stopLoading(root);\n                enableSaveButton(root);\n                return;\n            })\n            .fail(Notification.exception);\n    };\n\n    return {\n        init: function(root) {\n            root = $(root);\n            registerEventListeners(root);\n        }\n    };\n});\n"],"file":"edit_tags.min.js"}
\ No newline at end of file
+{"version":3,"file":"edit_tags.min.js","sources":["../src/edit_tags.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle question tags editing.\n *\n * @module     core_question/edit_tags\n * @copyright  2018 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([\n            'jquery',\n            'core/fragment',\n            'core/str',\n            'core/modal_events',\n            'core/modal_factory',\n            'core/notification',\n            'core/custom_interaction_events',\n            'core_question/repository',\n            'core_question/selectors',\n        ],\n        function(\n            $,\n            Fragment,\n            Str,\n            ModalEvents,\n            ModalFactory,\n            Notification,\n            CustomEvents,\n            Repository,\n            QuestionSelectors\n        ) {\n\n    /**\n     * Enable the save button in the footer.\n     *\n     * @param {object} root The container element.\n     * @method enableSaveButton\n     */\n    var enableSaveButton = function(root) {\n        root.find(QuestionSelectors.actions.save).prop('disabled', false);\n    };\n\n    /**\n     * Disable the save button in the footer.\n     *\n     * @param {object} root The container element.\n     * @method disableSaveButton\n     */\n    var disableSaveButton = function(root) {\n        root.find(QuestionSelectors.actions.save).prop('disabled', true);\n    };\n\n    /**\n     * Get the serialised form data.\n     *\n     * @method getFormData\n     * @param {object} modal The modal object.\n     * @return {string} serialised form data\n     */\n    var getFormData = function(modal) {\n        return modal.getBody().find('form').serialize();\n    };\n\n    /**\n     * Set the element state to loading.\n     *\n     * @param {object} root The container element\n     * @method startLoading\n     */\n    var startLoading = function(root) {\n        var loadingIconContainer = root.find(QuestionSelectors.containers.loadingIcon);\n\n        loadingIconContainer.removeClass('hidden');\n    };\n\n    /**\n     * Remove the loading state from the element.\n     *\n     * @param {object} root The container element\n     * @method stopLoading\n     */\n    var stopLoading = function(root) {\n        var loadingIconContainer = root.find(QuestionSelectors.containers.loadingIcon);\n\n        loadingIconContainer.addClass('hidden');\n    };\n\n    /**\n     * Set the context Id data attribute on the modal.\n     *\n     * @param {Promise} modal The modal promise.\n     * @param {int} contextId The context id.\n     */\n    var setContextId = function(modal, contextId) {\n        modal.getBody().attr('data-contextid', contextId);\n    };\n\n    /**\n     * Get the context Id data attribute value from the modal body.\n     *\n     * @param {Promise} modal The modal promise.\n     * @return {int} The context id.\n     */\n    var getContextId = function(modal) {\n        return modal.getBody().data('contextid');\n    };\n\n    /**\n     * Set the question Id data attribute on the modal.\n     *\n     * @param {Promise} modal The modal promise.\n     * @param {int} questionId The question Id.\n     */\n    var setQuestionId = function(modal, questionId) {\n        modal.getBody().attr('data-questionid', questionId);\n    };\n\n    /**\n     * Get the question Id data attribute value from the modal body.\n     *\n     * @param {Promise} modal The modal promise.\n     * @return {int} The question Id.\n     */\n    var getQuestionId = function(modal) {\n        return modal.getBody().data('questionid');\n    };\n\n    /**\n     * Register event listeners for the module.\n     *\n     * @param {object} root The calendar root element\n     */\n    var registerEventListeners = function(root) {\n        var modalPromise = ModalFactory.create(\n            {\n                type: ModalFactory.types.SAVE_CANCEL,\n                large: false\n            },\n            [root, QuestionSelectors.actions.edittags]\n        ).then(function(modal) {\n            // All of this code only executes once, when the modal is\n            // first created. This allows us to add any code that should\n            // only be run once, such as adding event handlers to the modal.\n            Str.get_string('questiontags', 'question')\n                .then(function(string) {\n                    modal.setTitle(string);\n                    return string;\n                })\n                .fail(Notification.exception);\n\n            modal.getRoot().on(ModalEvents.save, function(e) {\n                var form = modal.getBody().find('form');\n                form.submit();\n                e.preventDefault();\n            });\n\n            modal.getRoot().on('submit', 'form', function(e) {\n                save(modal, root).then(function() {\n                    modal.hide();\n                    location.reload();\n                    return;\n                }).fail(Notification.exception);\n\n                // Stop the form from actually submitting and prevent it's\n                // propagation because we have already handled the event.\n                e.preventDefault();\n                e.stopPropagation();\n            });\n\n            return modal;\n        });\n\n        // We need to add an event handler to the tags link because there are\n        // multiple links on the page and without adding a listener we don't know\n        // which one the user clicked on the show the modal.\n        root.on(CustomEvents.events.activate, QuestionSelectors.actions.edittags, function(e) {\n            var currentTarget = $(e.currentTarget);\n\n            var questionId = currentTarget.data('questionid'),\n                canTag = !!currentTarget.data('cantag'),\n                contextId = currentTarget.data('contextid');\n\n            // This code gets called each time the user clicks the tag link\n            // so we can use it to reload the contents of the tag modal.\n            modalPromise.then(function(modal) {\n                // Display spinner and disable save button.\n                disableSaveButton(root);\n                startLoading(root);\n\n                var args = {\n                    id: questionId\n                };\n\n                var tagsFragment = Fragment.loadFragment('question', 'tags_form', contextId, args);\n                modal.setBody(tagsFragment);\n\n                tagsFragment.then(function() {\n                        enableSaveButton(root);\n                        return;\n                    })\n                    .always(function() {\n                        // Always hide the loading spinner when the request\n                        // has completed.\n                        stopLoading(root);\n                        return;\n                    })\n                .fail(Notification.exception);\n\n                // Show or hide the save button depending on whether the user\n                // has the capability to edit the tags.\n                if (canTag) {\n                    modal.getRoot().find(QuestionSelectors.actions.save).show();\n                } else {\n                    modal.getRoot().find(QuestionSelectors.actions.save).hide();\n                }\n\n                setQuestionId(modal, questionId);\n                setContextId(modal, contextId);\n\n                return modal;\n            }).fail(Notification.exception);\n\n            e.preventDefault();\n        });\n    };\n\n    /**\n     * Send the form data to the server to save question tags.\n     *\n     * @method save\n     * @param {object} modal The modal object.\n     * @param {object} root The container element.\n     * @return {object} A promise\n     */\n    var save = function(modal, root) {\n        // Display spinner and disable save button.\n        disableSaveButton(root);\n        startLoading(root);\n\n        var formData = getFormData(modal);\n        var questionId = getQuestionId(modal);\n        var contextId = getContextId(modal);\n\n        // Send the form data to the server for processing.\n        return Repository.submitTagCreateUpdateForm(questionId, contextId, formData)\n            .always(function() {\n                // Regardless of success or error we should always stop\n                // the loading icon and re-enable the buttons.\n                stopLoading(root);\n                enableSaveButton(root);\n                return;\n            })\n            .fail(Notification.exception);\n    };\n\n    return {\n        init: function(root) {\n            root = $(root);\n            registerEventListeners(root);\n        }\n    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\ No newline at end of file
diff --git a/question/amd/build/repository.min.js b/question/amd/build/repository.min.js
index 0d9f41eafd7..8b390a01fde 100644
--- a/question/amd/build/repository.min.js
+++ b/question/amd/build/repository.min.js
@@ -1,2 +1,12 @@
-define ("core_question/repository",["jquery","core/ajax"],function(a,b){return{submitTagCreateUpdateForm:function submitTagCreateUpdateForm(a,c,d){return b.call([{methodname:"core_question_submit_tags_form",args:{questionid:a,contextid:c,formdata:d}}])[0]}}});
-//# sourceMappingURL=repository.min.js.map
+/**
+ * A javascript module to handle question ajax actions.
+ *
+ * @module     core_question/repository
+ * @class      repository
+ * @package    core_question
+ * @copyright  2017 Simey Lameze <lameze@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_question/repository",["jquery","core/ajax"],(function($,Ajax){return{submitTagCreateUpdateForm:function(questionId,contextId,formdata){var request={methodname:"core_question_submit_tags_form",args:{questionid:questionId,contextid:contextId,formdata:formdata}};return Ajax.call([request])[0]}}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/question/amd/build/repository.min.js.map b/question/amd/build/repository.min.js.map
index 9fbd3df36c8..ad94ba2fe50 100644
--- a/question/amd/build/repository.min.js.map
+++ b/question/amd/build/repository.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/repository.js"],"names":["define","$","Ajax","submitTagCreateUpdateForm","questionId","contextId","formdata","call","methodname","args","questionid","contextid"],"mappings":"AAwBAA,OAAM,4BAAC,CAAC,QAAD,CAAW,WAAX,CAAD,CAA0B,SAASC,CAAT,CAAYC,CAAZ,CAAkB,CAsB9C,MAAO,CACHC,yBAAyB,CAdG,QAA5BA,CAAAA,yBAA4B,CAASC,CAAT,CAAqBC,CAArB,CAAgCC,CAAhC,CAA0C,CAUtE,MAAOJ,CAAAA,CAAI,CAACK,IAAL,CAAU,CATH,CACVC,UAAU,CAAE,gCADF,CAEVC,IAAI,CAAE,CACFC,UAAU,CAAEN,CADV,CAEFO,SAAS,CAAEN,CAFT,CAGFC,QAAQ,CAAEA,CAHR,CAFI,CASG,CAAV,EAAqB,CAArB,CACV,CAEM,CAGV,CAzBK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle question ajax actions.\n *\n * @module     core_question/repository\n * @class      repository\n * @package    core_question\n * @copyright  2017 Simey Lameze <lameze@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax'], function($, Ajax) {\n\n    /**\n     * Submit the form data for the question tags form.\n     *\n     * @method submitTagCreateUpdateForm\n     * @param {string} formdata The URL encoded values from the form\n     * @return {promise}\n     */\n    var submitTagCreateUpdateForm = function(questionId, contextId, formdata) {\n        var request = {\n            methodname: 'core_question_submit_tags_form',\n            args: {\n                questionid: questionId,\n                contextid: contextId,\n                formdata: formdata\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    return {\n        submitTagCreateUpdateForm: submitTagCreateUpdateForm\n    };\n});\n"],"file":"repository.min.js"}
\ No newline at end of file
+{"version":3,"file":"repository.min.js","sources":["../src/repository.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * A javascript module to handle question ajax actions.\n *\n * @module     core_question/repository\n * @class      repository\n * @package    core_question\n * @copyright  2017 Simey Lameze <lameze@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/ajax'], function($, Ajax) {\n\n    /**\n     * Submit the form data for the question tags form.\n     *\n     * @method submitTagCreateUpdateForm\n     * @param {string} formdata The URL encoded values from the form\n     * @return {promise}\n     */\n    var submitTagCreateUpdateForm = function(questionId, contextId, formdata) {\n        var request = {\n            methodname: 'core_question_submit_tags_form',\n            args: {\n                questionid: questionId,\n                contextid: contextId,\n                formdata: formdata\n            }\n        };\n\n        return Ajax.call([request])[0];\n    };\n\n    return {\n        submitTagCreateUpdateForm: submitTagCreateUpdateForm\n    };\n});\n"],"names":["define","$","Ajax","submitTagCreateUpdateForm","questionId","contextId","formdata","request","methodname","args","questionid","contextid","call"],"mappings":";;;;;;;;;AAwBAA,kCAAO,CAAC,SAAU,cAAc,SAASC,EAAGC,YAsBjC,CACHC,0BAd4B,SAASC,WAAYC,UAAWC,cACxDC,QAAU,CACVC,WAAY,iCACZC,KAAM,CACFC,WAAYN,WACZO,UAAWN,UACXC,SAAUA,kBAIXJ,KAAKU,KAAK,CAACL,UAAU"}
\ No newline at end of file
diff --git a/question/amd/build/selectors.min.js b/question/amd/build/selectors.min.js
index 51fef64a1ab..1db707ddbfe 100644
--- a/question/amd/build/selectors.min.js
+++ b/question/amd/build/selectors.min.js
@@ -1,2 +1,11 @@
-define ("core_question/selectors",[],function(){return{actions:{save:"[data-action=\"save\"]",edittags:"[data-action=\"edittags\"]"},containers:{loadingIcon:"[data-region=\"overlay-icon-container\"]"}}});
-//# sourceMappingURL=selectors.min.js.map
+/**
+ * The purpose of this module is to centralize selectors related to question.
+ *
+ * @module     core_question/question_selectors
+ * @package    core_question
+ * @copyright  2018 Simey Lameze <lameze@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_question/selectors",[],(function(){return{actions:{save:'[data-action="save"]',edittags:'[data-action="edittags"]'},containers:{loadingIcon:'[data-region="overlay-icon-container"]'}}}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/question/amd/build/selectors.min.js.map b/question/amd/build/selectors.min.js.map
index 4c7ecdb7208..cab554b0dd6 100644
--- a/question/amd/build/selectors.min.js.map
+++ b/question/amd/build/selectors.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/selectors.js"],"names":["define","actions","save","edittags","containers","loadingIcon"],"mappings":"AAuBAA,OAAM,2BAAC,EAAD,CAAK,UAAW,CAClB,MAAO,CACHC,OAAO,CAAE,CACLC,IAAI,CAAE,wBADD,CAELC,QAAQ,CAAE,4BAFL,CADN,CAKHC,UAAU,CAAE,CACRC,WAAW,CAAE,0CADL,CALT,CASV,CAVK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * The purpose of this module is to centralize selectors related to question.\n *\n * @module     core_question/question_selectors\n * @package    core_question\n * @copyright  2018 Simey Lameze <lameze@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        actions: {\n            save: '[data-action=\"save\"]',\n            edittags: '[data-action=\"edittags\"]',\n        },\n        containers: {\n            loadingIcon: '[data-region=\"overlay-icon-container\"]',\n        },\n    };\n});\n"],"file":"selectors.min.js"}
\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../src/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * The purpose of this module is to centralize selectors related to question.\n *\n * @module     core_question/question_selectors\n * @package    core_question\n * @copyright  2018 Simey Lameze <lameze@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine([], function() {\n    return {\n        actions: {\n            save: '[data-action=\"save\"]',\n            edittags: '[data-action=\"edittags\"]',\n        },\n        containers: {\n            loadingIcon: '[data-region=\"overlay-icon-container\"]',\n        },\n    };\n});\n"],"names":["define","actions","save","edittags","containers","loadingIcon"],"mappings":";;;;;;;;AAuBAA,iCAAO,IAAI,iBACA,CACHC,QAAS,CACLC,KAAM,uBACNC,SAAU,4BAEdC,WAAY,CACRC,YAAa"}
\ No newline at end of file
diff --git a/question/type/ddimageortext/amd/build/form.min.js b/question/type/ddimageortext/amd/build/form.min.js
index 15a2871b9da..ad6f35f70ef 100644
--- a/question/type/ddimageortext/amd/build/form.min.js
+++ b/question/type/ddimageortext/amd/build/form.min.js
@@ -1,2 +1,11 @@
-define ("qtype_ddimageortext/form",["jquery","core/dragdrop"],function(a,b){"use strict";var c={maxBgImageSize:null,maxDragImageSize:null,fp:null,init:function init(){c.fp=c.filePickers();a("#id_previewareaheader").append("<div class=\"ddarea que ddimageortext\">  <div class=\"droparea\">    <img class=\"dropbackground\" />    <div class=\"dropzones\"></div>  </div>  <div class=\"dragitems\"></div></div>");c.updateVisibilityOfFilePickers();c.setOptionsForDragItemSelectors();c.setupEventHandlers();c.waitForFilePickerToInitialise()},waitForFilePickerToInitialise:function waitForFilePickerToInitialise(){if(null===c.fp.file("bgimage").href){setTimeout(c.waitForFilePickerToInitialise,1e3);return}M.util.js_pending("dragDropToImageForm");a("form.mform").on("change",".filepickerhidden",function(){M.util.js_pending("dragDropToImageForm");c.loadPreviewImage()});c.loadPreviewImage()},loadPreviewImage:function loadPreviewImage(){a("fieldset#id_previewareaheader .dropbackground").one("load",c.afterPreviewImageLoaded).attr("src",c.fp.file("bgimage").href)},afterPreviewImageLoaded:function afterPreviewImageLoaded(){c.createDropZones();M.util.js_complete("dragDropToImageForm")},createDropZones:function createDropZones(){var b=a(".dropzones");b.empty();var d=c.fp.file("bgimage").href;if(null===d){return}for(var e=c.form.getFormValue("nodropzone",[]),f=0,g;f<e;f++){g=c.form.getFormValue("drops",[f,"choice"]);if("0"===g){continue}g=g-1;var h=c.form.getFormValue("drags",[g,"draggroup"]),i=c.form.getFormValue("draglabel",[g]);if("image"===c.form.getFormValue("drags",[g,"dragitemtype"])){var j=c.fp.file("dragitem["+g+"]").href;if(null===j){continue}b.append("<img class=\"droppreview group"+h+" drop"+f+"\" src=\""+j+"\" alt=\""+i+"\" data-drop-no=\""+f+"\">")}else if(""!==i){b.append("<div class=\"droppreview group"+h+" drop"+f+"\"  data-drop-no=\""+f+"\">"+i+"</div>")}}c.waitForAllDropImagesToBeLoaded()},waitForAllDropImagesToBeLoaded:function waitForAllDropImagesToBeLoaded(){var b=a(".dropzones img").not(function(a,b){return c.imageIsLoaded(b)});if(0<b.length){setTimeout(function(){c.waitForAllDropImagesToBeLoaded()},100);return}c.updateDropZones()},imageIsLoaded:function imageIsLoaded(a){return a.complete&&0!==a.naturalHeight},updateDropZones:function updateDropZones(){var b=c.fp.file("bgimage").href;if(null===b){return}for(var d=a("fieldset#id_previewareaheader .dropbackground").offset(),e=c.form.getFormValue("nodropzone",[]),f=0,g;f<e;f++){g=a(".dropzones .drop"+f);if(0===g.length){continue}var h=c.form.getFormValue("drops",[f,"choice"])-1;g.offset({left:d.left+parseInt(c.form.getFormValue("drops",[f,"xleft"])),top:d.top+parseInt(c.form.getFormValue("drops",[f,"ytop"]))});var i=c.form.getFormValue("draglabel",[h]);if(g.is("img")){g.attr("alt",i)}else{g.html(i)}}a(".dropzones .droppreview").css("padding","0");for(var j=a(".draggroup select").first().find("option").length,k=1;k<=j;k++){c.resizeAllDragsAndDropsInGroup(k)}},resizeAllDragsAndDropsInGroup:function resizeAllDragsAndDropsInGroup(b){var c=a(".dropzones .droppreview.group"+b),d=0,e=0;c.each(function(a,b){d=Math.max(d,Math.ceil(b.offsetWidth));e=Math.max(e,Math.ceil(b.offsetHeight))});d+=10;e+=10;c.each(function(b,c){var f=Math.round((d-c.offsetWidth)/2),g=Math.floor((e-c.offsetHeight)/2);a(c).css({"padding-left":f+"px","padding-right":d-c.offsetWidth-f+"px","padding-top":g+"px","padding-bottom":e-c.offsetHeight-g+"px"})})},setupEventHandlers:function setupEventHandlers(){a("fieldset#id_draggableitemheader").on("change input","input, select",function(b){var d=a(b.target).closest("select, input");if(d.hasClass("dragitemtype")){c.updateVisibilityOfFilePickers()}c.setOptionsForDragItemSelectors();if(d.is(".dragitemtype, .draggroup")){c.createDropZones()}else if(d.is(".draglabel")){c.updateDropZones()}});a("fieldset#id_dropzoneheader").on("change input","input, select",function(b){var d=a(b.target).closest("select, input");if(d.is("select")){c.createDropZones()}else{c.updateDropZones()}});a("fieldset#id_previewareaheader").on("mousedown touchstart",".droppreview",function(a){c.dragStart(a)});a(window).on("resize",function(){c.updateDropZones()})},updateVisibilityOfFilePickers:function updateVisibilityOfFilePickers(){for(var b=c.form.getFormValue("noitems",[]),d=0,e;d<b;d++){e=a("input#id_dragitem_"+d).closest(".fitem_ffilepicker");if("image"===c.form.getFormValue("drags",[d,"dragitemtype"])){e.show()}else{e.hide()}}},setOptionsForDragItemSelectors:function setOptionsForDragItemSelectors(){for(var b={0:""},d=c.form.getFormValue("noitems",[]),e=c.form.getFormValue("nodropzone",[]),f=0;f<d;f++){var g=c.form.getFormValue("draglabel",[f]),h=c.fp.file(c.form.toNameWithIndex("dragitem",[f]));if("image"===c.form.getFormValue("drags",[f,"dragitemtype"])&&null!==h.name){b[f+1]=f+1+". "+g+" ("+h.name+")"}else if(""!==g){b[f+1]=f+1+". "+g}}for(var i=0;i<e;i++){var j=a("#id_drops_"+i+"_choice"),k=j.val();j.find("option").remove();for(var l in b){if(!b.hasOwnProperty(l)){continue}j.append("<option value=\""+l+"\">"+b[l]+"</option>");var m=j.find("option[value=\""+l+"\"]");if(parseInt(l)===parseInt(k)){m.attr("selected",!0)}else if(c.isItemUsed(parseInt(l))){m.attr("disabled",!0)}}}},isItemUsed:function isItemUsed(b){if(0===b){return!1}if(c.form.getFormValue("drags",[b-1,"infinite"])){return!1}return 0!==a("fieldset#id_dropzoneheader select").filter(function(c,d){return parseInt(a(d).val())===b}).length},dragStart:function dragStart(d){var e=a(d.target).closest(".droppreview"),f=b.prepare(d);if(!f.start){return}b.start(d,e,function(a,b,d){c.dragMove(d)},function(){c.dragEnd()})},dragMove:function dragMove(b){var d=a("fieldset#id_previewareaheader .dropbackground"),e=d.offset(),f=b.data("dropNo"),g=b.offset(),h=Math.round(g.left-e.left),i=Math.round(g.top-e.top);h=Math.round(Math.max(0,Math.min(h,d.outerWidth()-b.outerWidth())));i=Math.round(Math.max(0,Math.min(i,d.outerHeight()-b.outerHeight())));c.form.setFormValue("drops",[f,"xleft"],h);c.form.setFormValue("drops",[f,"ytop"],i)},dragEnd:function dragEnd(){c.updateDropZones()},form:{toNameWithIndex:function toNameWithIndex(a,b){for(var c=a,d=0;d<b.length;d++){c=c+"["+b[d]+"]"}return c},getEl:function getEl(b,c){var d=a("form.mform")[0];return d.elements[this.toNameWithIndex(b,c)]},getFormValue:function getFormValue(a,b){var c=this.getEl(a,b);if(!c.type){c=c[c.length-1]}if("checkbox"===c.type){return c.checked}else{return c.value}},setFormValue:function setFormValue(a,b,c){var d=this.getEl(a,b);if("checkbox"===d.type){d.checked=c}else{d.value=c}}},filePickers:function filePickers(){var b,c;if(b===void 0){b={};c={};var d=a("form.mform input.filepickerhidden");d.each(function(a,d){b[d.value]=d.name;c[d.name]=d.parentNode})}return{file:function file(b){var d=a(c[b]),e=d.find("div.filepicker-filelist a");if(e.length){return{href:e.get(0).href,name:e.get(0).innerHTML}}else{return{href:null,name:null}}},name:function name(a){return b[a]}}}};return{init:c.init}});
-//# sourceMappingURL=form.min.js.map
+/*
+ * JavaScript to allow dragging options to slots (using mouse down or touch) or tab through slots using keyboard.
+ *
+ * @module     qtype_ddimageortext/form
+ * @package    qtype_ddimageortext
+ * @copyright  2018 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("qtype_ddimageortext/form",["jquery","core/dragdrop"],(function($,dragDrop){var dragDropToImageForm={maxBgImageSize:null,maxDragImageSize:null,fp:null,init:function(){dragDropToImageForm.fp=dragDropToImageForm.filePickers(),$("#id_previewareaheader").append('<div class="ddarea que ddimageortext">  <div class="droparea">    <img class="dropbackground" />    <div class="dropzones"></div>  </div>  <div class="dragitems"></div></div>'),dragDropToImageForm.updateVisibilityOfFilePickers(),dragDropToImageForm.setOptionsForDragItemSelectors(),dragDropToImageForm.setupEventHandlers(),dragDropToImageForm.waitForFilePickerToInitialise()},waitForFilePickerToInitialise:function(){null!==dragDropToImageForm.fp.file("bgimage").href?(M.util.js_pending("dragDropToImageForm"),$("form.mform").on("change",".filepickerhidden",(function(){M.util.js_pending("dragDropToImageForm"),dragDropToImageForm.loadPreviewImage()})),dragDropToImageForm.loadPreviewImage()):setTimeout(dragDropToImageForm.waitForFilePickerToInitialise,1e3)},loadPreviewImage:function(){$("fieldset#id_previewareaheader .dropbackground").one("load",dragDropToImageForm.afterPreviewImageLoaded).attr("src",dragDropToImageForm.fp.file("bgimage").href)},afterPreviewImageLoaded:function(){dragDropToImageForm.createDropZones(),M.util.js_complete("dragDropToImageForm")},createDropZones:function(){var dropZoneHolder=$(".dropzones");if(dropZoneHolder.empty(),null!==dragDropToImageForm.fp.file("bgimage").href){for(var numDrops=dragDropToImageForm.form.getFormValue("nodropzone",[]),dropNo=0;dropNo<numDrops;dropNo++){var dragNo=dragDropToImageForm.form.getFormValue("drops",[dropNo,"choice"]);if("0"!==dragNo){dragNo-=1;var group=dragDropToImageForm.form.getFormValue("drags",[dragNo,"draggroup"]),label=dragDropToImageForm.form.getFormValue("draglabel",[dragNo]);if("image"===dragDropToImageForm.form.getFormValue("drags",[dragNo,"dragitemtype"])){var imgUrl=dragDropToImageForm.fp.file("dragitem["+dragNo+"]").href;if(null===imgUrl)continue;dropZoneHolder.append('<img class="droppreview group'+group+" drop"+dropNo+'" src="'+imgUrl+'" alt="'+label+'" data-drop-no="'+dropNo+'">')}else""!==label&&dropZoneHolder.append('<div class="droppreview group'+group+" drop"+dropNo+'"  data-drop-no="'+dropNo+'">'+label+"</div>")}}dragDropToImageForm.waitForAllDropImagesToBeLoaded()}},waitForAllDropImagesToBeLoaded:function(){$(".dropzones img").not((function(i,imgNode){return dragDropToImageForm.imageIsLoaded(imgNode)})).length>0?setTimeout((function(){dragDropToImageForm.waitForAllDropImagesToBeLoaded()}),100):dragDropToImageForm.updateDropZones()},imageIsLoaded:function(imgElement){return imgElement.complete&&0!==imgElement.naturalHeight},updateDropZones:function(){if(null!==dragDropToImageForm.fp.file("bgimage").href){for(var dropBackgroundPosition=$("fieldset#id_previewareaheader .dropbackground").offset(),numDrops=dragDropToImageForm.form.getFormValue("nodropzone",[]),dropNo=0;dropNo<numDrops;dropNo++){var drop=$(".dropzones .drop"+dropNo);if(0!==drop.length){var dragNo=dragDropToImageForm.form.getFormValue("drops",[dropNo,"choice"])-1;drop.offset({left:dropBackgroundPosition.left+parseInt(dragDropToImageForm.form.getFormValue("drops",[dropNo,"xleft"])),top:dropBackgroundPosition.top+parseInt(dragDropToImageForm.form.getFormValue("drops",[dropNo,"ytop"]))});var label=dragDropToImageForm.form.getFormValue("draglabel",[dragNo]);drop.is("img")?drop.attr("alt",label):drop.html(label)}}$(".dropzones .droppreview").css("padding","0");for(var numGroups=$(".draggroup select").first().find("option").length,group=1;group<=numGroups;group++)dragDropToImageForm.resizeAllDragsAndDropsInGroup(group)}},resizeAllDragsAndDropsInGroup:function(group){var drops=$(".dropzones .droppreview.group"+group),maxWidth=0,maxHeight=0;drops.each((function(i,drop){maxWidth=Math.max(maxWidth,Math.ceil(drop.offsetWidth)),maxHeight=Math.max(maxHeight,Math.ceil(drop.offsetHeight))})),maxWidth+=10,maxHeight+=10,drops.each((function(i,drop){var left=Math.round((maxWidth-drop.offsetWidth)/2),top=Math.floor((maxHeight-drop.offsetHeight)/2);$(drop).css({"padding-left":left+"px","padding-right":maxWidth-drop.offsetWidth-left+"px","padding-top":top+"px","padding-bottom":maxHeight-drop.offsetHeight-top+"px"})}))},setupEventHandlers:function(){$("fieldset#id_draggableitemheader").on("change input","input, select",(function(e){var input=$(e.target).closest("select, input");input.hasClass("dragitemtype")&&dragDropToImageForm.updateVisibilityOfFilePickers(),dragDropToImageForm.setOptionsForDragItemSelectors(),input.is(".dragitemtype, .draggroup")?dragDropToImageForm.createDropZones():input.is(".draglabel")&&dragDropToImageForm.updateDropZones()})),$("fieldset#id_dropzoneheader").on("change input","input, select",(function(e){$(e.target).closest("select, input").is("select")?dragDropToImageForm.createDropZones():dragDropToImageForm.updateDropZones()})),$("fieldset#id_previewareaheader").on("mousedown touchstart",".droppreview",(function(e){dragDropToImageForm.dragStart(e)})),$(window).on("resize",(function(){dragDropToImageForm.updateDropZones()}))},updateVisibilityOfFilePickers:function(){for(var numDrags=dragDropToImageForm.form.getFormValue("noitems",[]),dragNo=0;dragNo<numDrags;dragNo++){var picker=$("input#id_dragitem_"+dragNo).closest(".fitem_ffilepicker");"image"===dragDropToImageForm.form.getFormValue("drags",[dragNo,"dragitemtype"])?picker.show():picker.hide()}},setOptionsForDragItemSelectors:function(){for(var dragItemOptions={0:""},numDrags=dragDropToImageForm.form.getFormValue("noitems",[]),numDrops=dragDropToImageForm.form.getFormValue("nodropzone",[]),dragNo=0;dragNo<numDrags;dragNo++){var label=dragDropToImageForm.form.getFormValue("draglabel",[dragNo]),file=dragDropToImageForm.fp.file(dragDropToImageForm.form.toNameWithIndex("dragitem",[dragNo]));"image"===dragDropToImageForm.form.getFormValue("drags",[dragNo,"dragitemtype"])&&null!==file.name?dragItemOptions[dragNo+1]=dragNo+1+". "+label+" ("+file.name+")":""!==label&&(dragItemOptions[dragNo+1]=dragNo+1+". "+label)}for(var dropNo=0;dropNo<numDrops;dropNo++){var selector=$("#id_drops_"+dropNo+"_choice"),selectedvalue=selector.val();for(var value in selector.find("option").remove(),dragItemOptions)if(dragItemOptions.hasOwnProperty(value)){selector.append('<option value="'+value+'">'+dragItemOptions[value]+"</option>");var optionnode=selector.find('option[value="'+value+'"]');parseInt(value)===parseInt(selectedvalue)?optionnode.attr("selected",!0):dragDropToImageForm.isItemUsed(parseInt(value))&&optionnode.attr("disabled",!0)}}},isItemUsed:function(value){return 0!==value&&(!dragDropToImageForm.form.getFormValue("drags",[value-1,"infinite"])&&0!==$("fieldset#id_dropzoneheader select").filter((function(i,selectNode){return parseInt($(selectNode).val())===value})).length)},dragStart:function(e){var drop=$(e.target).closest(".droppreview");dragDrop.prepare(e).start&&dragDrop.start(e,drop,(function(x,y,drop){dragDropToImageForm.dragMove(drop)}),(function(){dragDropToImageForm.dragEnd()}))},dragMove:function(drop){var backgroundImage=$("fieldset#id_previewareaheader .dropbackground"),backgroundPosition=backgroundImage.offset(),dropNo=drop.data("dropNo"),dropPosition=drop.offset(),left=Math.round(dropPosition.left-backgroundPosition.left),top=Math.round(dropPosition.top-backgroundPosition.top);left=Math.round(Math.max(0,Math.min(left,backgroundImage.outerWidth()-drop.outerWidth()))),top=Math.round(Math.max(0,Math.min(top,backgroundImage.outerHeight()-drop.outerHeight()))),dragDropToImageForm.form.setFormValue("drops",[dropNo,"xleft"],left),dragDropToImageForm.form.setFormValue("drops",[dropNo,"ytop"],top)},dragEnd:function(){dragDropToImageForm.updateDropZones()},form:{toNameWithIndex:function(name,indexes){for(var indexString=name,i=0;i<indexes.length;i++)indexString=indexString+"["+indexes[i]+"]";return indexString},getEl:function(name,indexes){return $("form.mform")[0].elements[this.toNameWithIndex(name,indexes)]},getFormValue:function(name,indexes){var el=this.getEl(name,indexes);return el.type||(el=el[el.length-1]),"checkbox"===el.type?el.checked:el.value},setFormValue:function(name,indexes,value){var el=this.getEl(name,indexes);"checkbox"===el.type?el.checked=value:el.value=value}},filePickers:function(){var draftItemIdsToName,nameToParentNode;void 0===draftItemIdsToName&&(draftItemIdsToName={},nameToParentNode={},$("form.mform input.filepickerhidden").each((function(index,filepicker){draftItemIdsToName[filepicker.value]=filepicker.name,nameToParentNode[filepicker.name]=filepicker.parentNode})));return{file:function(name){var fileAnchor=$(nameToParentNode[name]).find("div.filepicker-filelist a");return fileAnchor.length?{href:fileAnchor.get(0).href,name:fileAnchor.get(0).innerHTML}:{href:null,name:null}},name:function(draftitemid){return draftItemIdsToName[draftitemid]}}}};return{init:dragDropToImageForm.init}}));
+
+//# sourceMappingURL=form.min.js.map
\ No newline at end of file
diff --git a/question/type/ddimageortext/amd/build/form.min.js.map b/question/type/ddimageortext/amd/build/form.min.js.map
index 49875eca1e7..a0760429af9 100644
--- a/question/type/ddimageortext/amd/build/form.min.js.map
+++ b/question/type/ddimageortext/amd/build/form.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/*\n * JavaScript to allow dragging options to slots (using mouse down or touch) or tab through slots using keyboard.\n *\n * @module     qtype_ddimageortext/form\n * @package    qtype_ddimageortext\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/dragdrop'], function($, dragDrop) {\n\n    \"use strict\";\n\n    /**\n     * Singleton object to handle progressive enhancement of the\n     * drag-drop onto image question editing form.\n     * @type {Object}\n     */\n    var dragDropToImageForm = {\n        /**\n         * @var {Object} with properties width and height.\n         */\n        maxBgImageSize: null,\n\n        /**\n         * @var {Object} with properties width and height.\n         */\n        maxDragImageSize: null,\n\n        /**\n         * @var {object} for interacting with the file pickers.\n         */\n        fp: null, // Object containing functions associated with the file picker.\n\n        /**\n         * Initialise the form javascript features.\n         */\n        init: function() {\n            dragDropToImageForm.fp = dragDropToImageForm.filePickers();\n\n            $('#id_previewareaheader').append(\n                '<div class=\"ddarea que ddimageortext\">' +\n                '  <div class=\"droparea\">' +\n                '    <img class=\"dropbackground\" />' +\n                '    <div class=\"dropzones\"></div>' +\n                '  </div>' +\n                '  <div class=\"dragitems\"></div>' +\n                '</div>');\n\n            dragDropToImageForm.updateVisibilityOfFilePickers();\n            dragDropToImageForm.setOptionsForDragItemSelectors();\n            dragDropToImageForm.setupEventHandlers();\n            dragDropToImageForm.waitForFilePickerToInitialise();\n        },\n\n        /**\n         * Waits for the file-pickers to be sufficiently ready before initialising the preview.\n         */\n        waitForFilePickerToInitialise: function() {\n            if (dragDropToImageForm.fp.file('bgimage').href === null) {\n                // It would be better to use an onload or onchange event rather than this timeout.\n                // Unfortunately attempts to do this early are overwritten by filepicker during its loading.\n                setTimeout(dragDropToImageForm.waitForFilePickerToInitialise, 1000);\n                return;\n            }\n            M.util.js_pending('dragDropToImageForm');\n\n            // From now on, when a new file gets loaded into the filepicker, update the preview.\n            // This is not in the setupEventHandlers section as it needs to be delayed until\n            // after filepicker's javascript has finished.\n            $('form.mform').on('change', '.filepickerhidden', function() {\n                M.util.js_pending('dragDropToImageForm');\n                dragDropToImageForm.loadPreviewImage();\n            });\n\n            dragDropToImageForm.loadPreviewImage();\n        },\n\n        /**\n         * Loads the preview background image.\n         */\n        loadPreviewImage: function() {\n            $('fieldset#id_previewareaheader .dropbackground')\n                .one('load', dragDropToImageForm.afterPreviewImageLoaded)\n                .attr('src', dragDropToImageForm.fp.file('bgimage').href);\n        },\n\n        /**\n         * After the background image is loaded, continue setting up the preview.\n         */\n        afterPreviewImageLoaded: function() {\n            dragDropToImageForm.createDropZones();\n            M.util.js_complete('dragDropToImageForm');\n        },\n\n        /**\n         * Create, or recreate all the drop zones.\n         */\n        createDropZones: function() {\n            var dropZoneHolder = $('.dropzones');\n            dropZoneHolder.empty();\n\n            var bgimageurl = dragDropToImageForm.fp.file('bgimage').href;\n            if (bgimageurl === null) {\n                return; // There is not currently a valid preview to update.\n            }\n\n            var numDrops = dragDropToImageForm.form.getFormValue('nodropzone', []);\n            for (var dropNo = 0; dropNo < numDrops; dropNo++) {\n                var dragNo = dragDropToImageForm.form.getFormValue('drops', [dropNo, 'choice']);\n                if (dragNo === '0') {\n                    continue;\n                }\n                dragNo = dragNo - 1;\n                var group = dragDropToImageForm.form.getFormValue('drags', [dragNo, 'draggroup']),\n                    label = dragDropToImageForm.form.getFormValue('draglabel', [dragNo]);\n                if ('image' === dragDropToImageForm.form.getFormValue('drags', [dragNo, 'dragitemtype'])) {\n                    var imgUrl = dragDropToImageForm.fp.file('dragitem[' + dragNo + ']').href;\n                    if (imgUrl === null) {\n                        continue;\n                    }\n                    // Althoug these are previews of drops, we also add the class name 'drag',\n                    dropZoneHolder.append('<img class=\"droppreview group' + group + ' drop' + dropNo +\n                            '\" src=\"' + imgUrl + '\" alt=\"' + label + '\" data-drop-no=\"' + dropNo + '\">');\n\n                } else if (label !== '') {\n                    dropZoneHolder.append('<div class=\"droppreview group' + group + ' drop' + dropNo +\n                        '\"  data-drop-no=\"' + dropNo + '\">' + label + '</div>');\n                }\n            }\n\n            dragDropToImageForm.waitForAllDropImagesToBeLoaded();\n        },\n\n        /**\n         * This polls until all the drop-zone images have loaded, and then calls updateDropZones().\n         */\n        waitForAllDropImagesToBeLoaded: function() {\n            var notYetLoadedImages = $('.dropzones img').not(function(i, imgNode) {\n                return dragDropToImageForm.imageIsLoaded(imgNode);\n            });\n\n            if (notYetLoadedImages.length > 0) {\n                setTimeout(function() {\n                    dragDropToImageForm.waitForAllDropImagesToBeLoaded();\n                }, 100);\n                return;\n            }\n\n            dragDropToImageForm.updateDropZones();\n        },\n\n        /**\n         * Check if an image has loaded without errors.\n         *\n         * @param {HTMLImageElement} imgElement an image.\n         * @returns {boolean} true if this image has loaded without errors.\n         */\n        imageIsLoaded: function(imgElement) {\n            return imgElement.complete && imgElement.naturalHeight !== 0;\n        },\n\n        /**\n         * Set the size and position of all the drop zones.\n         */\n        updateDropZones: function() {\n            var bgimageurl = dragDropToImageForm.fp.file('bgimage').href;\n            if (bgimageurl === null) {\n                return; // There is not currently a valid preview to update.\n            }\n\n            var dropBackgroundPosition = $('fieldset#id_previewareaheader .dropbackground').offset(),\n                numDrops = dragDropToImageForm.form.getFormValue('nodropzone', []);\n\n            // Move each drop to the right position and update the text.\n            for (var dropNo = 0; dropNo < numDrops; dropNo++) {\n                var drop = $('.dropzones .drop' + dropNo);\n                if (drop.length === 0) {\n                    continue;\n                }\n                var dragNo = dragDropToImageForm.form.getFormValue('drops', [dropNo, 'choice']) - 1;\n\n                drop.offset({\n                    left: dropBackgroundPosition.left +\n                            parseInt(dragDropToImageForm.form.getFormValue('drops', [dropNo, 'xleft'])),\n                    top: dropBackgroundPosition.top +\n                            parseInt(dragDropToImageForm.form.getFormValue('drops', [dropNo, 'ytop']))\n                });\n\n                var label = dragDropToImageForm.form.getFormValue('draglabel', [dragNo]);\n                if (drop.is('img')) {\n                    drop.attr('alt', label);\n                } else {\n                    drop.html(label);\n                }\n            }\n\n            // Resize them to the same size.\n            $('.dropzones .droppreview').css('padding', '0');\n            var numGroups = $('.draggroup select').first().find('option').length;\n            for (var group = 1; group <= numGroups; group++) {\n                dragDropToImageForm.resizeAllDragsAndDropsInGroup(group);\n            }\n        },\n\n        /**\n         * In a given group, set all the drags and drops to be the same size.\n         *\n         * @param {int} group the group number.\n         */\n        resizeAllDragsAndDropsInGroup: function(group) {\n            var drops = $('.dropzones .droppreview.group' + group),\n                maxWidth = 0,\n                maxHeight = 0;\n\n            // Find the maximum size of any drag in this groups.\n            drops.each(function(i, drop) {\n                maxWidth = Math.max(maxWidth, Math.ceil(drop.offsetWidth));\n                maxHeight = Math.max(maxHeight, Math.ceil(drop.offsetHeight));\n            });\n\n            // The size we will want to set is a bit bigger than this.\n            maxWidth += 10;\n            maxHeight += 10;\n\n            // Set each drag home to that size.\n            drops.each(function(i, drop) {\n                var left = Math.round((maxWidth - drop.offsetWidth) / 2),\n                    top = Math.floor((maxHeight - drop.offsetHeight) / 2);\n                // Set top and left padding so the item is centred.\n                $(drop).css({\n                    'padding-left': left + 'px',\n                    'padding-right': (maxWidth - drop.offsetWidth - left) + 'px',\n                    'padding-top': top + 'px',\n                    'padding-bottom': (maxHeight - drop.offsetHeight - top) + 'px'\n                });\n            });\n        },\n\n        /**\n         * Events linked to form actions.\n         */\n        setupEventHandlers: function() {\n            // Changes to settings in the draggable items section.\n            $('fieldset#id_draggableitemheader')\n                .on('change input', 'input, select', function(e) {\n                    var input = $(e.target).closest('select, input');\n                    if (input.hasClass('dragitemtype')) {\n                        dragDropToImageForm.updateVisibilityOfFilePickers();\n                    }\n\n                    dragDropToImageForm.setOptionsForDragItemSelectors();\n\n                    if (input.is('.dragitemtype, .draggroup')) {\n                        dragDropToImageForm.createDropZones();\n                    } else if (input.is('.draglabel')) {\n                        dragDropToImageForm.updateDropZones();\n                    }\n                });\n\n            // Changes to Drop zones section: left, top and drag item.\n            $('fieldset#id_dropzoneheader').on('change input', 'input, select', function(e) {\n                var input = $(e.target).closest('select, input');\n                if (input.is('select')) {\n                    dragDropToImageForm.createDropZones();\n                } else {\n                    dragDropToImageForm.updateDropZones();\n                }\n            });\n\n            // Moving drop zones in the preview.\n            $('fieldset#id_previewareaheader').on('mousedown touchstart', '.droppreview', function(e) {\n                dragDropToImageForm.dragStart(e);\n            });\n\n            $(window).on('resize', function() {\n                dragDropToImageForm.updateDropZones();\n            });\n        },\n\n        /**\n         * Update all the drag item filepickers, so they are only shown for\n         */\n        updateVisibilityOfFilePickers: function() {\n            var numDrags = dragDropToImageForm.form.getFormValue('noitems', []);\n            for (var dragNo = 0; dragNo < numDrags; dragNo++) {\n                var picker = $('input#id_dragitem_' + dragNo).closest('.fitem_ffilepicker');\n                if ('image' === dragDropToImageForm.form.getFormValue('drags', [dragNo, 'dragitemtype'])) {\n                    picker.show();\n                } else {\n                    picker.hide();\n                }\n            }\n        },\n\n\n        setOptionsForDragItemSelectors: function() {\n            var dragItemOptions = {'0': ''},\n                numDrags = dragDropToImageForm.form.getFormValue('noitems', []),\n                numDrops = dragDropToImageForm.form.getFormValue('nodropzone', []);\n\n            // Work out the list of options.\n            for (var dragNo = 0; dragNo < numDrags; dragNo++) {\n                var label = dragDropToImageForm.form.getFormValue('draglabel', [dragNo]);\n                var file = dragDropToImageForm.fp.file(dragDropToImageForm.form.toNameWithIndex('dragitem', [dragNo]));\n                if ('image' === dragDropToImageForm.form.getFormValue('drags', [dragNo, 'dragitemtype']) && file.name !== null) {\n                    dragItemOptions[dragNo + 1] = (dragNo + 1) + '. ' + label + ' (' + file.name + ')';\n                } else if (label !== '') {\n                    dragItemOptions[dragNo + 1] = (dragNo + 1) + '. ' + label;\n                }\n            }\n\n            // Initialise each select.\n            for (var dropNo = 0; dropNo < numDrops; dropNo++) {\n                var selector = $('#id_drops_' + dropNo + '_choice');\n\n                var selectedvalue = selector.val();\n                selector.find('option').remove();\n                for (var value in dragItemOptions) {\n                    if (!dragItemOptions.hasOwnProperty(value)) {\n                        continue;\n                    }\n                    selector.append('<option value=\"' + value + '\">' + dragItemOptions[value] + '</option>');\n                    var optionnode = selector.find('option[value=\"' + value + '\"]');\n                    if (parseInt(value) === parseInt(selectedvalue)) {\n                        optionnode.attr('selected', true);\n                    } else if (dragDropToImageForm.isItemUsed(parseInt(value))) {\n                        optionnode.attr('disabled', true);\n                    }\n                }\n            }\n        },\n\n        /**\n         * Checks if the specified drag option is already used somewhere.\n         *\n         * @param {Number} value of the drag item to check\n         * @return {Boolean} true if item is allocated to dropzone\n         */\n        isItemUsed: function(value) {\n            if (value === 0) {\n                return false; // None option can always be selected.\n            }\n\n            if (dragDropToImageForm.form.getFormValue('drags', [value - 1, 'infinite'])) {\n                return false; // Infinite, so can't be used up.\n            }\n\n            return $('fieldset#id_dropzoneheader select').filter(function(i, selectNode) {\n                return parseInt($(selectNode).val()) === value;\n            }).length !== 0;\n        },\n\n        /**\n         * Handles when a dropzone in dragged in the preview.\n         * @param {Object} e Event object\n         */\n        dragStart: function(e) {\n            var drop = $(e.target).closest('.droppreview');\n\n            var info = dragDrop.prepare(e);\n            if (!info.start) {\n                return;\n            }\n\n            dragDrop.start(e, drop, function(x, y, drop) {\n                dragDropToImageForm.dragMove(drop);\n            }, function() {\n                dragDropToImageForm.dragEnd();\n            });\n        },\n\n        /**\n         * Handles update while a drop is being dragged.\n         *\n         * @param {jQuery} drop the drop preview being moved.\n         */\n        dragMove: function(drop) {\n            var backgroundImage = $('fieldset#id_previewareaheader .dropbackground'),\n                backgroundPosition = backgroundImage.offset(),\n                dropNo = drop.data('dropNo'),\n                dropPosition = drop.offset(),\n                left = Math.round(dropPosition.left - backgroundPosition.left),\n                top = Math.round(dropPosition.top - backgroundPosition.top);\n\n            // Constrain coordinates to be inside the background.\n            left = Math.round(Math.max(0, Math.min(left, backgroundImage.outerWidth() - drop.outerWidth())));\n            top = Math.round(Math.max(0, Math.min(top, backgroundImage.outerHeight() - drop.outerHeight())));\n\n            // Update the form.\n            dragDropToImageForm.form.setFormValue('drops', [dropNo, 'xleft'], left);\n            dragDropToImageForm.form.setFormValue('drops', [dropNo, 'ytop'], top);\n        },\n\n        /**\n         * Handles when the drag ends.\n         */\n        dragEnd: function() {\n            // Redraw, in case the position was constrained.\n            dragDropToImageForm.updateDropZones();\n        },\n\n        /**\n         * Low level operations on form.\n         */\n        form: {\n            toNameWithIndex: function(name, indexes) {\n                var indexString = name;\n                for (var i = 0; i < indexes.length; i++) {\n                    indexString = indexString + '[' + indexes[i] + ']';\n                }\n                return indexString;\n            },\n\n            getEl: function(name, indexes) {\n                var form = $('form.mform')[0];\n                return form.elements[this.toNameWithIndex(name, indexes)];\n            },\n\n            /**\n             * Helper to get the value of a form elements with name like \"drops[0][xleft]\".\n             *\n             * @param {String} name the base name, e.g. 'drops'.\n             * @param {String[]} indexes the indexes, e.g. ['0', 'xleft'].\n             * @return {String} the value of that field.\n             */\n            getFormValue: function(name, indexes) {\n                var el = this.getEl(name, indexes);\n                if (!el.type) {\n                    el = el[el.length - 1];\n                }\n                if (el.type === 'checkbox') {\n                    return el.checked;\n                } else {\n                    return el.value;\n                }\n            },\n\n            /**\n             * Helper to get the value of a form elements with name like \"drops[0][xleft]\".\n             *\n             * @param {String} name the base name, e.g. 'drops'.\n             * @param {String[]} indexes the indexes, e.g. ['0', 'xleft'].\n             * @param {String|Number} value the value to set.\n             */\n            setFormValue: function(name, indexes, value) {\n                var el = this.getEl(name, indexes);\n                if (el.type === 'checkbox') {\n                    el.checked = value;\n                } else {\n                    el.value = value;\n                }\n            }\n        },\n\n        /**\n         * Utility to get the file name and url from the filepicker.\n         * @returns {Object} object containing functions {file, name}\n         */\n        filePickers: function() {\n            var draftItemIdsToName;\n            var nameToParentNode;\n\n            if (draftItemIdsToName === undefined) {\n                draftItemIdsToName = {};\n                nameToParentNode = {};\n                var fp = $('form.mform input.filepickerhidden');\n                fp.each(function(index, filepicker) {\n                    draftItemIdsToName[filepicker.value] = filepicker.name;\n                    nameToParentNode[filepicker.name] = filepicker.parentNode;\n                });\n            }\n\n            return {\n                file: function(name) {\n                    var parentNode = $(nameToParentNode[name]);\n                    var fileAnchor = parentNode.find('div.filepicker-filelist a');\n                    if (fileAnchor.length) {\n                        return {href: fileAnchor.get(0).href, name: fileAnchor.get(0).innerHTML};\n                    } else {\n                        return {href: null, name: null};\n                    }\n                },\n\n                name: function(draftitemid) {\n                    return draftItemIdsToName[draftitemid];\n                }\n            };\n        }\n    };\n\n    /**\n     * @alias module:qtype_ddimageortext/form\n     */\n    return {\n        /**\n         * Initialise the form JavaScript features.\n         */\n        init: dragDropToImageForm.init\n    };\n});\n"],"file":"form.min.js"}
\ No newline at end of file
+{"version":3,"file":"form.min.js","sources":["../src/form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/*\n * JavaScript to allow dragging options to slots (using mouse down or touch) or tab through slots using keyboard.\n *\n * @module     qtype_ddimageortext/form\n * @package    qtype_ddimageortext\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/dragdrop'], function($, dragDrop) {\n\n    \"use strict\";\n\n    /**\n     * Singleton object to handle progressive enhancement of the\n     * drag-drop onto image question editing form.\n     * @type {Object}\n     */\n    var dragDropToImageForm = {\n        /**\n         * @var {Object} with properties width and height.\n         */\n        maxBgImageSize: null,\n\n        /**\n         * @var {Object} with properties width and height.\n         */\n        maxDragImageSize: null,\n\n        /**\n         * @var {object} for interacting with the file pickers.\n         */\n        fp: null, // Object containing functions associated with the file picker.\n\n        /**\n         * Initialise the form javascript features.\n         */\n        init: function() {\n            dragDropToImageForm.fp = dragDropToImageForm.filePickers();\n\n            $('#id_previewareaheader').append(\n                '<div class=\"ddarea que ddimageortext\">' +\n                '  <div class=\"droparea\">' +\n                '    <img class=\"dropbackground\" />' +\n                '    <div class=\"dropzones\"></div>' +\n                '  </div>' +\n                '  <div class=\"dragitems\"></div>' +\n                '</div>');\n\n            dragDropToImageForm.updateVisibilityOfFilePickers();\n            dragDropToImageForm.setOptionsForDragItemSelectors();\n            dragDropToImageForm.setupEventHandlers();\n            dragDropToImageForm.waitForFilePickerToInitialise();\n        },\n\n        /**\n         * Waits for the file-pickers to be sufficiently ready before initialising the preview.\n         */\n        waitForFilePickerToInitialise: function() {\n            if (dragDropToImageForm.fp.file('bgimage').href === null) {\n                // It would be better to use an onload or onchange event rather than this timeout.\n                // Unfortunately attempts to do this early are overwritten by filepicker during its loading.\n                setTimeout(dragDropToImageForm.waitForFilePickerToInitialise, 1000);\n                return;\n            }\n            M.util.js_pending('dragDropToImageForm');\n\n            // From now on, when a new file gets loaded into the filepicker, update the preview.\n            // This is not in the setupEventHandlers section as it needs to be delayed until\n            // after filepicker's javascript has finished.\n            $('form.mform').on('change', '.filepickerhidden', function() {\n                M.util.js_pending('dragDropToImageForm');\n                dragDropToImageForm.loadPreviewImage();\n            });\n\n            dragDropToImageForm.loadPreviewImage();\n        },\n\n        /**\n         * Loads the preview background image.\n         */\n        loadPreviewImage: function() {\n            $('fieldset#id_previewareaheader .dropbackground')\n                .one('load', dragDropToImageForm.afterPreviewImageLoaded)\n                .attr('src', dragDropToImageForm.fp.file('bgimage').href);\n        },\n\n        /**\n         * After the background image is loaded, continue setting up the preview.\n         */\n        afterPreviewImageLoaded: function() {\n            dragDropToImageForm.createDropZones();\n            M.util.js_complete('dragDropToImageForm');\n        },\n\n        /**\n         * Create, or recreate all the drop zones.\n         */\n        createDropZones: function() {\n            var dropZoneHolder = $('.dropzones');\n            dropZoneHolder.empty();\n\n            var bgimageurl = dragDropToImageForm.fp.file('bgimage').href;\n            if (bgimageurl === null) {\n                return; // There is not currently a valid preview to update.\n            }\n\n            var numDrops = dragDropToImageForm.form.getFormValue('nodropzone', []);\n            for (var dropNo = 0; dropNo < numDrops; dropNo++) {\n                var dragNo = dragDropToImageForm.form.getFormValue('drops', [dropNo, 'choice']);\n                if (dragNo === '0') {\n                    continue;\n                }\n                dragNo = dragNo - 1;\n                var group = dragDropToImageForm.form.getFormValue('drags', [dragNo, 'draggroup']),\n                    label = dragDropToImageForm.form.getFormValue('draglabel', [dragNo]);\n                if ('image' === dragDropToImageForm.form.getFormValue('drags', [dragNo, 'dragitemtype'])) {\n                    var imgUrl = dragDropToImageForm.fp.file('dragitem[' + dragNo + ']').href;\n                    if (imgUrl === null) {\n                        continue;\n                    }\n                    // Althoug these are previews of drops, we also add the class name 'drag',\n                    dropZoneHolder.append('<img class=\"droppreview group' + group + ' drop' + dropNo +\n                            '\" src=\"' + imgUrl + '\" alt=\"' + label + '\" data-drop-no=\"' + dropNo + '\">');\n\n                } else if (label !== '') {\n                    dropZoneHolder.append('<div class=\"droppreview group' + group + ' drop' + dropNo +\n                        '\"  data-drop-no=\"' + dropNo + '\">' + label + '</div>');\n                }\n            }\n\n            dragDropToImageForm.waitForAllDropImagesToBeLoaded();\n        },\n\n        /**\n         * This polls until all the drop-zone images have loaded, and then calls updateDropZones().\n         */\n        waitForAllDropImagesToBeLoaded: function() {\n            var notYetLoadedImages = $('.dropzones img').not(function(i, imgNode) {\n                return dragDropToImageForm.imageIsLoaded(imgNode);\n            });\n\n            if (notYetLoadedImages.length > 0) {\n                setTimeout(function() {\n                    dragDropToImageForm.waitForAllDropImagesToBeLoaded();\n                }, 100);\n                return;\n            }\n\n            dragDropToImageForm.updateDropZones();\n        },\n\n        /**\n         * Check if an image has loaded without errors.\n         *\n         * @param {HTMLImageElement} imgElement an image.\n         * @returns {boolean} true if this image has loaded without errors.\n         */\n        imageIsLoaded: function(imgElement) {\n            return imgElement.complete && imgElement.naturalHeight !== 0;\n        },\n\n        /**\n         * Set the size and position of all the drop zones.\n         */\n        updateDropZones: function() {\n            var bgimageurl = dragDropToImageForm.fp.file('bgimage').href;\n            if (bgimageurl === null) {\n                return; // There is not currently a valid preview to update.\n            }\n\n            var dropBackgroundPosition = $('fieldset#id_previewareaheader .dropbackground').offset(),\n                numDrops = dragDropToImageForm.form.getFormValue('nodropzone', []);\n\n            // Move each drop to the right position and update the text.\n            for (var dropNo = 0; dropNo < numDrops; dropNo++) {\n                var drop = $('.dropzones .drop' + dropNo);\n                if (drop.length === 0) {\n                    continue;\n                }\n                var dragNo = dragDropToImageForm.form.getFormValue('drops', [dropNo, 'choice']) - 1;\n\n                drop.offset({\n                    left: dropBackgroundPosition.left +\n                            parseInt(dragDropToImageForm.form.getFormValue('drops', [dropNo, 'xleft'])),\n                    top: dropBackgroundPosition.top +\n                            parseInt(dragDropToImageForm.form.getFormValue('drops', [dropNo, 'ytop']))\n                });\n\n                var label = dragDropToImageForm.form.getFormValue('draglabel', [dragNo]);\n                if (drop.is('img')) {\n                    drop.attr('alt', label);\n                } else {\n                    drop.html(label);\n                }\n            }\n\n            // Resize them to the same size.\n            $('.dropzones .droppreview').css('padding', '0');\n            var numGroups = $('.draggroup select').first().find('option').length;\n            for (var group = 1; group <= numGroups; group++) {\n                dragDropToImageForm.resizeAllDragsAndDropsInGroup(group);\n            }\n        },\n\n        /**\n         * In a given group, set all the drags and drops to be the same size.\n         *\n         * @param {int} group the group number.\n         */\n        resizeAllDragsAndDropsInGroup: function(group) {\n            var drops = $('.dropzones .droppreview.group' + group),\n                maxWidth = 0,\n                maxHeight = 0;\n\n            // Find the maximum size of any drag in this groups.\n            drops.each(function(i, drop) {\n                maxWidth = Math.max(maxWidth, Math.ceil(drop.offsetWidth));\n                maxHeight = Math.max(maxHeight, Math.ceil(drop.offsetHeight));\n            });\n\n            // The size we will want to set is a bit bigger than this.\n            maxWidth += 10;\n            maxHeight += 10;\n\n            // Set each drag home to that size.\n            drops.each(function(i, drop) {\n                var left = Math.round((maxWidth - drop.offsetWidth) / 2),\n                    top = Math.floor((maxHeight - drop.offsetHeight) / 2);\n                // Set top and left padding so the item is centred.\n                $(drop).css({\n                    'padding-left': left + 'px',\n                    'padding-right': (maxWidth - drop.offsetWidth - left) + 'px',\n                    'padding-top': top + 'px',\n                    'padding-bottom': (maxHeight - drop.offsetHeight - top) + 'px'\n                });\n            });\n        },\n\n        /**\n         * Events linked to form actions.\n         */\n        setupEventHandlers: function() {\n            // Changes to settings in the draggable items section.\n            $('fieldset#id_draggableitemheader')\n                .on('change input', 'input, select', function(e) {\n                    var input = $(e.target).closest('select, input');\n                    if (input.hasClass('dragitemtype')) {\n                        dragDropToImageForm.updateVisibilityOfFilePickers();\n                    }\n\n                    dragDropToImageForm.setOptionsForDragItemSelectors();\n\n                    if (input.is('.dragitemtype, .draggroup')) {\n                        dragDropToImageForm.createDropZones();\n                    } else if (input.is('.draglabel')) {\n                        dragDropToImageForm.updateDropZones();\n                    }\n                });\n\n            // Changes to Drop zones section: left, top and drag item.\n            $('fieldset#id_dropzoneheader').on('change input', 'input, select', function(e) {\n                var input = $(e.target).closest('select, input');\n                if (input.is('select')) {\n                    dragDropToImageForm.createDropZones();\n                } else {\n                    dragDropToImageForm.updateDropZones();\n                }\n            });\n\n            // Moving drop zones in the preview.\n            $('fieldset#id_previewareaheader').on('mousedown touchstart', '.droppreview', function(e) {\n                dragDropToImageForm.dragStart(e);\n            });\n\n            $(window).on('resize', function() {\n                dragDropToImageForm.updateDropZones();\n            });\n        },\n\n        /**\n         * Update all the drag item filepickers, so they are only shown for\n         */\n        updateVisibilityOfFilePickers: function() {\n            var numDrags = dragDropToImageForm.form.getFormValue('noitems', []);\n            for (var dragNo = 0; dragNo < numDrags; dragNo++) {\n                var picker = $('input#id_dragitem_' + dragNo).closest('.fitem_ffilepicker');\n                if ('image' === dragDropToImageForm.form.getFormValue('drags', [dragNo, 'dragitemtype'])) {\n                    picker.show();\n                } else {\n                    picker.hide();\n                }\n            }\n        },\n\n\n        setOptionsForDragItemSelectors: function() {\n            var dragItemOptions = {'0': ''},\n                numDrags = dragDropToImageForm.form.getFormValue('noitems', []),\n                numDrops = dragDropToImageForm.form.getFormValue('nodropzone', []);\n\n            // Work out the list of options.\n            for (var dragNo = 0; dragNo < numDrags; dragNo++) {\n                var label = dragDropToImageForm.form.getFormValue('draglabel', [dragNo]);\n                var file = dragDropToImageForm.fp.file(dragDropToImageForm.form.toNameWithIndex('dragitem', [dragNo]));\n                if ('image' === dragDropToImageForm.form.getFormValue('drags', [dragNo, 'dragitemtype']) && file.name !== null) {\n                    dragItemOptions[dragNo + 1] = (dragNo + 1) + '. ' + label + ' (' + file.name + ')';\n                } else if (label !== '') {\n                    dragItemOptions[dragNo + 1] = (dragNo + 1) + '. ' + label;\n                }\n            }\n\n            // Initialise each select.\n            for (var dropNo = 0; dropNo < numDrops; dropNo++) {\n                var selector = $('#id_drops_' + dropNo + '_choice');\n\n                var selectedvalue = selector.val();\n                selector.find('option').remove();\n                for (var value in dragItemOptions) {\n                    if (!dragItemOptions.hasOwnProperty(value)) {\n                        continue;\n                    }\n                    selector.append('<option value=\"' + value + '\">' + dragItemOptions[value] + '</option>');\n                    var optionnode = selector.find('option[value=\"' + value + '\"]');\n                    if (parseInt(value) === parseInt(selectedvalue)) {\n                        optionnode.attr('selected', true);\n                    } else if (dragDropToImageForm.isItemUsed(parseInt(value))) {\n                        optionnode.attr('disabled', true);\n                    }\n                }\n            }\n        },\n\n        /**\n         * Checks if the specified drag option is already used somewhere.\n         *\n         * @param {Number} value of the drag item to check\n         * @return {Boolean} true if item is allocated to dropzone\n         */\n        isItemUsed: function(value) {\n            if (value === 0) {\n                return false; // None option can always be selected.\n            }\n\n            if (dragDropToImageForm.form.getFormValue('drags', [value - 1, 'infinite'])) {\n                return false; // Infinite, so can't be used up.\n            }\n\n            return $('fieldset#id_dropzoneheader select').filter(function(i, selectNode) {\n                return parseInt($(selectNode).val()) === value;\n            }).length !== 0;\n        },\n\n        /**\n         * Handles when a dropzone in dragged in the preview.\n         * @param {Object} e Event object\n         */\n        dragStart: function(e) {\n            var drop = $(e.target).closest('.droppreview');\n\n            var info = dragDrop.prepare(e);\n            if (!info.start) {\n                return;\n            }\n\n            dragDrop.start(e, drop, function(x, y, drop) {\n                dragDropToImageForm.dragMove(drop);\n            }, function() {\n                dragDropToImageForm.dragEnd();\n            });\n        },\n\n        /**\n         * Handles update while a drop is being dragged.\n         *\n         * @param {jQuery} drop the drop preview being moved.\n         */\n        dragMove: function(drop) {\n            var backgroundImage = $('fieldset#id_previewareaheader .dropbackground'),\n                backgroundPosition = backgroundImage.offset(),\n                dropNo = drop.data('dropNo'),\n                dropPosition = drop.offset(),\n                left = Math.round(dropPosition.left - backgroundPosition.left),\n                top = Math.round(dropPosition.top - backgroundPosition.top);\n\n            // Constrain coordinates to be inside the background.\n            left = Math.round(Math.max(0, Math.min(left, backgroundImage.outerWidth() - drop.outerWidth())));\n            top = Math.round(Math.max(0, Math.min(top, backgroundImage.outerHeight() - drop.outerHeight())));\n\n            // Update the form.\n            dragDropToImageForm.form.setFormValue('drops', [dropNo, 'xleft'], left);\n            dragDropToImageForm.form.setFormValue('drops', [dropNo, 'ytop'], top);\n        },\n\n        /**\n         * Handles when the drag ends.\n         */\n        dragEnd: function() {\n            // Redraw, in case the position was constrained.\n            dragDropToImageForm.updateDropZones();\n        },\n\n        /**\n         * Low level operations on form.\n         */\n        form: {\n            toNameWithIndex: function(name, indexes) {\n                var indexString = name;\n                for (var i = 0; i < indexes.length; i++) {\n                    indexString = indexString + '[' + indexes[i] + ']';\n                }\n                return indexString;\n            },\n\n            getEl: function(name, indexes) {\n                var form = $('form.mform')[0];\n                return form.elements[this.toNameWithIndex(name, indexes)];\n            },\n\n            /**\n             * Helper to get the value of a form elements with name like \"drops[0][xleft]\".\n             *\n             * @param {String} name the base name, e.g. 'drops'.\n             * @param {String[]} indexes the indexes, e.g. ['0', 'xleft'].\n             * @return {String} the value of that field.\n             */\n            getFormValue: function(name, indexes) {\n                var el = this.getEl(name, indexes);\n                if (!el.type) {\n                    el = el[el.length - 1];\n                }\n                if (el.type === 'checkbox') {\n                    return el.checked;\n                } else {\n                    return el.value;\n                }\n            },\n\n            /**\n             * Helper to get the value of a form elements with name like \"drops[0][xleft]\".\n             *\n             * @param {String} name the base name, e.g. 'drops'.\n             * @param {String[]} indexes the indexes, e.g. ['0', 'xleft'].\n             * @param {String|Number} value the value to set.\n             */\n            setFormValue: function(name, indexes, value) {\n                var el = this.getEl(name, indexes);\n                if (el.type === 'checkbox') {\n                    el.checked = value;\n                } else {\n                    el.value = value;\n                }\n            }\n        },\n\n        /**\n         * Utility to get the file name and url from the filepicker.\n         * @returns {Object} object containing functions {file, name}\n         */\n        filePickers: function() {\n            var draftItemIdsToName;\n            var nameToParentNode;\n\n      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return draftItemIdsToName[draftitemid];\n                }\n            };\n        }\n    };\n\n    /**\n     * @alias module:qtype_ddimageortext/form\n     */\n    return {\n        /**\n         * Initialise the form JavaScript features.\n         */\n        init: dragDropToImageForm.init\n    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\ No newline at end of file
diff --git a/question/type/ddimageortext/amd/build/question.min.js b/question/type/ddimageortext/amd/build/question.min.js
index 7bebe76cc34..103c2be069c 100644
--- a/question/type/ddimageortext/amd/build/question.min.js
+++ b/question/type/ddimageortext/amd/build/question.min.js
@@ -1,2 +1,11 @@
-define ("qtype_ddimageortext/question",["jquery","core/dragdrop","core/key_codes"],function(a,b,c){"use strict";function d(a,b,c){this.containerId=a;M.util.js_pending("qtype_ddimageortext-init-"+this.containerId);this.places=c;this.allImagesLoaded=!1;this.imageLoadingTimeoutId=null;this.isPrinting=!1;if(b){this.getRoot().addClass("qtype_ddimageortext-readonly")}var d=this;this.getNotYetLoadedImages().one("load",function(){d.waitForAllImagesToBeLoaded()});this.waitForAllImagesToBeLoaded()}d.prototype.waitForAllImagesToBeLoaded=function(){var a=this;if(this.allImagesLoaded){return}if(null!==this.imageLoadingTimeoutId){clearTimeout(this.imageLoadingTimeoutId)}if(0<this.getNotYetLoadedImages().length){this.imageLoadingTimeoutId=setTimeout(function(){a.waitForAllImagesToBeLoaded()},100);return}this.allImagesLoaded=!0;a.setupQuestion()};d.prototype.getNotYetLoadedImages=function(){var a=this;return this.getRoot().find(".ddarea img").not(function(b,c){return a.imageIsLoaded(c)})};d.prototype.imageIsLoaded=function(a){return a.complete&&0!==a.naturalHeight};d.prototype.setupQuestion=function(){this.resizeAllDragsAndDrops();this.cloneDrags();this.positionDragsAndDrops();M.util.js_complete("qtype_ddimageortext-init-"+this.containerId)};d.prototype.resizeAllDragsAndDrops=function(){var b=this;this.getRoot().find(".draghomes > div").each(function(c,d){b.resizeAllDragsAndDropsInGroup(b.getClassnameNumericSuffix(a(d),"dragitemgroup"))})};d.prototype.resizeAllDragsAndDropsInGroup=function(b){var c=this.getRoot(),d=c.find(".dragitemgroup"+b+" .draghome"),e=0,f=0;d.each(function(a,b){e=Math.max(e,Math.ceil(b.offsetWidth));f=Math.max(f,Math.ceil(b.offsetHeight))});e+=10;f+=10;d.each(function(b,c){var d=Math.round((e-c.offsetWidth)/2),g=Math.floor((f-c.offsetHeight)/2);a(c).css({"padding-left":d+"px","padding-right":e-c.offsetWidth-d+"px","padding-top":g+"px","padding-bottom":f-c.offsetHeight-g+"px"})});for(var g in this.places){if(!this.places.hasOwnProperty(g)){continue}var h=this.places[g],i=h.text;if(parseInt(h.group)!==b){continue}if(""===i){i=M.util.get_string("blank","qtype_ddimageortext")}c.find(".dropzones").append("<div class=\"dropzone active group"+h.group+" place"+g+"\" tabindex=\"0\"><span class=\"accesshide\">"+i+"</span>&nbsp;</div>");c.find(".dropzone.place"+g).width(e-2).height(f-2)}};d.prototype.cloneDrags=function(){var b=this;b.getRoot().find(".draghome").each(function(c,d){var e=a(d),f=e.clone();f.removeClass();f.addClass("draghome choice"+b.getChoice(e)+" group"+b.getGroup(e)+" dragplaceholder");e.before(f)})};d.prototype.cloneDragsForOneChoice=function(a){if(a.hasClass("infinite")){for(var b=this.noOfDropsInGroup(this.getGroup(a)),c=0;c<b;c++){this.cloneDrag(a)}}else{this.cloneDrag(a)}};d.prototype.cloneDrag=function(a){var b=a.clone();b.removeClass("draghome").addClass("drag unplaced moodle-has-zindex").offset(a.offset());this.getRoot().find(".dragitems").append(b)};d.prototype.positionDragsAndDrops=function(){var b=this,c=this.getRoot(),d=this.bgRatio();c.find(".ddarea .dropzone").each(function(c,e){var f=a(e),g=b.places[b.getPlace(f)];f.css("left",parseInt(g.xy[0])*d).css("top",parseInt(g.xy[1])*d);f.data("originX",parseInt(g.xy[0])).data("originY",parseInt(g.xy[1]));b.handleElementScale(f,"left top")});c.find(".draghome").not(".dragplaceholder").each(function(c,d){var e=a(d),f=b.getClassnameNumericSuffix(e,"inplace");e.addClass("unplaced").removeClass("placed");e.removeAttr("tabindex");if(null!==f){e.removeClass("inplace"+f)}});c.find("input.placeinput").each(function(d,e){var f=a(e),g=f.val();if(0===g.length||0<g.length&&"0"===g){return}var h=b.getPlace(f),i=b.getUnplacedChoice(b.getGroup(f),g),j=b.getDragClone(i);if(j.length){if(i.hasClass("infinite")){var k=b.noOfDropsInGroup(b.getGroup(i)),l=b.getInfiniteDragClones(i,!1);if(l.length<k){var m=i.clone();m.removeClass("beingdragged");m.removeAttr("tabindex");j.after(m)}else{j.addClass("active")}}else{j.addClass("active")}}var n=c.find(".dropzone.place"+h);b.sendDragToDrop(i,n)})};d.prototype.handleDragStart=function(c){var d=this,e=a(c.target).closest(".draghome"),g=this.calculateZIndex(),h=b.prepare(c);if(!h.start){return}e.addClass("beingdragged").css("transform","").css("z-index",g+2);var i=this.getClassnameNumericSuffix(e,"inplace");if(null!==i){this.setInputValue(i,0);e.removeClass("inplace"+i);var j=d.getDrop(e,i);if(j.length){j.addClass("active");e.offset(j.offset())}}else{var k=d.getDragClone(e);if(k.length){if(e.hasClass("infinite")){var l=this.noOfDropsInGroup(d.getGroup(e)),m=this.getInfiniteDragClones(e,!1);if(m.length<l){var n=e.clone();n.removeClass("beingdragged");n.removeAttr("tabindex");k.after(n);f.addEventHandlersToDrag(n);e.offset(n.offset())}else{k.addClass("active");e.offset(k.offset())}}else{k.addClass("active");e.offset(k.offset())}}}b.start(c,e,function(a,b,c){d.dragMove(a,b,c)},function(a,b,c){d.dragEnd(a,b,c)})};d.prototype.dragMove=function(b,c,d){var e=this,f=!1;this.getRoot().find(".dropzone.group"+this.getGroup(d)).each(function(d,g){var h=a(g);if(e.isPointInDrop(b,c,h)&&!f){f=!0;h.addClass("valid-drag-over-drop")}else{h.removeClass("valid-drag-over-drop")}});this.getRoot().find(".draghome.placed.group"+this.getGroup(d)).not(".beingdragged").each(function(g,h){var i=a(h);if(e.isPointInDrop(b,c,i)&&!f&&!e.isDragSameAsDrop(d,i)){f=!0;i.addClass("valid-drag-over-drop")}else{i.removeClass("valid-drag-over-drop")}})};d.prototype.dragEnd=function(b,c,d){var e=this,f=this.getRoot(),g=!1;f.find(".dropzone.group"+this.getGroup(d)).each(function(f,h){var i=a(h);if(!e.isPointInDrop(b,c,i)){return!0}i.removeClass("valid-drag-over-drop");e.sendDragToDrop(d,i);g=!0;return!1});if(!g){f.find(".draghome.placed.group"+this.getGroup(d)).not(".beingdragged").each(function(f,h){var i=a(h);if(!e.isPointInDrop(b,c,i)||e.isDragSameAsDrop(d,i)){return!0}i.removeClass("valid-drag-over-drop");var j=e.getClassnameNumericSuffix(i,"inplace"),k=e.getDrop(d,j);e.sendDragToDrop(d,k);g=!0;return!1})}if(!g){this.sendDragHome(d)}};d.prototype.sendDragToDrop=function(a,b){var c=this.getCurrentDragInPlace(this.getPlace(b));if(0!==c.length){c.addClass("beingdragged");c.offset(c.offset());var d=this.getClassnameNumericSuffix(c,"inplace"),e=this.getDrop(c,d);e.addClass("active");this.sendDragHome(c)}if(0===a.length){this.setInputValue(this.getPlace(b),0);if(b.data("isfocus")){b.focus()}}else{this.setInputValue(this.getPlace(b),this.getChoice(a));a.removeClass("unplaced").addClass("placed inplace"+this.getPlace(b));a.attr("tabindex",0);this.animateTo(a,b)}};d.prototype.sendDragHome=function(a){var b=this.getClassnameNumericSuffix(a,"inplace");if(null!==b){a.removeClass("inplace"+b)}a.data("unplaced",!0);this.animateTo(a,this.getDragHome(this.getGroup(a),this.getChoice(a)))};d.prototype.handleKeyPress=function(b){var d=a(b.target).closest(".dropzone");if(0===d.length){var e=a(b.target),g=this.getClassnameNumericSuffix(e,"inplace");if(null!==g){d=this.getDrop(e,g)}}var h=this.getCurrentDragInPlace(this.getPlace(d)),i=a();switch(b.keyCode){case c.space:case c.arrowRight:case c.arrowDown:i=this.getNextDrag(this.getGroup(d),h);break;case c.arrowLeft:case c.arrowUp:i=this.getPreviousDrag(this.getGroup(d),h);break;case c.escape:f.isKeyboardNavigation=!1;break;default:f.isKeyboardNavigation=!1;return;}if(i.length){i.data("isfocus",!0);i.addClass("beingdragged");var j=this.getDragClone(i);if(j.length){if(i.hasClass("infinite")){var k=this.noOfDropsInGroup(this.getGroup(i)),l=this.getInfiniteDragClones(i,!1);if(l.length<k){var m=i.clone();m.removeClass("beingdragged");m.removeAttr("tabindex");j.after(m);f.addEventHandlersToDrag(m);i.offset(m.offset())}else{j.addClass("active");i.offset(j.offset())}}else{j.addClass("active");i.offset(j.offset())}}}else{d.data("isfocus",!0)}b.preventDefault();this.sendDragToDrop(i,d)};d.prototype.getNextDrag=function(a,b){var c,d=this.noOfChoicesInGroup(a);if(0===b.length){c=1}else{c=this.getChoice(b)+1}var e=this.getUnplacedChoice(a,c);while(0===e.length&&c<d){c++;e=this.getUnplacedChoice(a,c)}return e};d.prototype.getPreviousDrag=function(a,b){var c;if(0===b.length){c=this.noOfChoicesInGroup(a)}else{c=this.getChoice(b)-1}var d=this.getUnplacedChoice(a,c);while(0===d.length&&1<c){c--;d=this.getUnplacedChoice(a,c)}return d};d.prototype.animateTo=function(b,c){var d=b.offset(),e=c.offset(),f=this;M.util.js_pending("qtype_ddimageortext-animate-"+f.containerId);b.animate({left:parseInt(b.css("left"))+e.left-d.left,top:parseInt(b.css("top"))+e.top-d.top},{duration:"fast",done:function done(){a("body").trigger("qtype_ddimageortext-dragmoved",[b,c,f]);M.util.js_complete("qtype_ddimageortext-animate-"+f.containerId)}})};d.prototype.isPointInDrop=function(a,b,c){var d=c.offset();if(c.hasClass("draghome")){return a>=d.left&&a<d.left+c.outerWidth()&&b>=d.top&&b<d.top+c.outerHeight()}return a>=d.left&&a<d.left+c.width()&&b>=d.top&&b<d.top+c.height()};d.prototype.setInputValue=function(a,b){this.getRoot().find("input.placeinput.place"+a).val(b)};d.prototype.getRoot=function(){return a(document.getElementById(this.containerId))};d.prototype.bgImage=function(){return this.getRoot().find("img.dropbackground")};d.prototype.getDragHome=function(a,b){if(!this.getRoot().find(".draghome.dragplaceholder.group"+a+".choice"+b).is(":visible")){return this.getRoot().find(".dragitemgroup"+a+" .draghome.infinite.choice"+b+".group"+a)}return this.getRoot().find(".draghome.dragplaceholder.group"+a+".choice"+b)};d.prototype.getUnplacedChoice=function(a,b){return this.getRoot().find(".ddarea .draghome.group"+a+".choice"+b+".unplaced").slice(0,1)};d.prototype.getCurrentDragInPlace=function(a){return this.getRoot().find(".ddarea .draghome.inplace"+a)};d.prototype.noOfDropsInGroup=function(a){return this.getRoot().find(".dropzone.group"+a).length};d.prototype.noOfChoicesInGroup=function(a){return this.getRoot().find(".dragitemgroup"+a+" .draghome").length};d.prototype.getClassnameNumericSuffix=function(a,b){var c=a.attr("class");if(""!==c){for(var d=c.split(" "),e=0,f;e<d.length;e++){f=new RegExp("^"+b+"([0-9])+$");if(f.test(d[e])){var g=/([0-9])+$/.exec(d[e]);return+g[0]}}}return null};d.prototype.getChoice=function(a){return this.getClassnameNumericSuffix(a,"choice")};d.prototype.getGroup=function(a){return this.getClassnameNumericSuffix(a,"group")};d.prototype.getPlace=function(a){return this.getClassnameNumericSuffix(a,"place")};d.prototype.getDragClone=function(a){return this.getRoot().find(".dragitemgroup"+this.getGroup(a)+" .draghome.choice"+this.getChoice(a)+".group"+this.getGroup(a)+".dragplaceholder")};d.prototype.getInfiniteDragClones=function(a,b){if(b){return this.getRoot().find(".dragitemgroup"+this.getGroup(a)+" .draghome.choice"+this.getChoice(a)+".group"+this.getGroup(a)+".infinite").not(".dragplaceholder")}return this.getRoot().find(".draghome.choice"+this.getChoice(a)+".group"+this.getGroup(a)+".infinite").not(".dragplaceholder")};d.prototype.getDrop=function(a,b){return this.getRoot().find(".dropzone.group"+this.getGroup(a)+".place"+b)};d.prototype.handleResize=function(){var b=this,c=this.bgRatio();if(this.isPrinting){c=1}this.getRoot().find(".ddarea .dropzone").each(function(d,e){a(e).css("left",parseInt(a(e).data("originX"))*parseFloat(c)).css("top",parseInt(a(e).data("originY"))*parseFloat(c));b.handleElementScale(e,"left top")});this.getRoot().find("div.droparea .draghome").not(".beingdragged").each(function(d,e){a(e).css("left",parseFloat(a(e).data("originX"))*parseFloat(c)).css("top",parseFloat(a(e).data("originY"))*parseFloat(c));b.handleElementScale(e,"left top")})};d.prototype.bgRatio=function(){var a=this.bgImage(),b=a.get(0).naturalWidth,c=a.width();return c/b};d.prototype.handleElementScale=function(b,c){var d=parseFloat(this.bgRatio());if(this.isPrinting){d=1}a(b).css({"-webkit-transform":"scale("+d+")","-moz-transform":"scale("+d+")","-ms-transform":"scale("+d+")","-o-transform":"scale("+d+")",transform:"scale("+d+")","transform-origin":c})};d.prototype.calculateZIndex=function(){var b=0;this.getRoot().find(".ddarea .dropzone, div.droparea .draghome").each(function(c,d){d=a(d);var e=d.css("z-index")?parseInt(d.css("z-index")):0;if(e>b){b=e}});return b};d.prototype.isDragSameAsDrop=function(a,b){return this.getChoice(a)===this.getChoice(b)&&this.getGroup(a)===this.getGroup(b)};var f={eventHandlersInitialised:!1,isPrinting:!1,isKeyboardNavigation:!1,questions:{},init:function init(a,b,c){f.questions[a]=new d(a,b,c);if(!f.eventHandlersInitialised){f.setupEventHandlers();f.eventHandlersInitialised=!0}},setupEventHandlers:function setupEventHandlers(){f.addEventHandlersToDrag(a(".que.ddimageortext:not(.qtype_ddimageortext-readonly) .draghome"));a("body").on("keydown",".que.ddimageortext:not(.qtype_ddimageortext-readonly) .dropzones .dropzone",f.handleKeyPress).on("keydown",".que.ddimageortext:not(.qtype_ddimageortext-readonly) .draghome.placed:not(.beingdragged)",f.handleKeyPress).on("qtype_ddimageortext-dragmoved",f.handleDragMoved);a(window).on("resize",function(){f.handleWindowResize(!1)});window.addEventListener("beforeprint",function(){f.isPrinting=!0;f.handleWindowResize(f.isPrinting)});window.addEventListener("afterprint",function(){f.isPrinting=!1;f.handleWindowResize(f.isPrinting)});setTimeout(function(){f.fixLayoutIfThingsMoved()},100)},addEventHandlersToDrag:function addEventHandlersToDrag(a){a.unbind("mousedown touchstart");a.on("mousedown touchstart",f.handleDragStart)},handleDragStart:function handleDragStart(a){a.preventDefault();var b=f.getQuestionForEvent(a);if(b){b.handleDragStart(a)}},handleKeyPress:function handleKeyPress(a){if(f.isKeyboardNavigation){return}f.isKeyboardNavigation=!0;var b=f.getQuestionForEvent(a);if(b){b.handleKeyPress(a)}},handleWindowResize:function handleWindowResize(a){for(var b in f.questions){if(f.questions.hasOwnProperty(b)){f.questions[b].isPrinting=a;f.questions[b].handleResize()}}},fixLayoutIfThingsMoved:function fixLayoutIfThingsMoved(){this.handleWindowResize(f.isPrinting);setTimeout(function(){f.fixLayoutIfThingsMoved(f.isPrinting)},100)},handleDragMoved:function handleDragMoved(a,b,c,d){b.removeClass("beingdragged").css("z-index","");b.css("top",c.position().top).css("left",c.position().left);c.after(b);c.removeClass("active");if("undefined"!=typeof b.data("unplaced")&&!0===b.data("unplaced")){b.removeClass("placed").addClass("unplaced");b.removeAttr("tabindex");b.removeData("unplaced");b.css("top","").css("left","").css("transform","");if(b.hasClass("infinite")&&1<d.getInfiniteDragClones(b,!0).length){d.getInfiniteDragClones(b,!0).first().remove()}}else{b.data("originX",c.data("originX")).data("originY",c.data("originY"));d.handleElementScale(b,"left top")}if("undefined"!=typeof b.data("isfocus")&&!0===b.data("isfocus")){b.focus();b.removeData("isfocus")}if("undefined"!=typeof c.data("isfocus")&&!0===c.data("isfocus")){c.removeData("isfocus")}if(f.isKeyboardNavigation){f.isKeyboardNavigation=!1}},getQuestionForEvent:function getQuestionForEvent(b){var c=a(b.currentTarget).closest(".que.ddimageortext").attr("id");return f.questions[c]}};return{init:f.init}});
-//# sourceMappingURL=question.min.js.map
+/*
+ * JavaScript to allow dragging options to slots (using mouse down or touch) or tab through slots using keyboard.
+ *
+ * @module     qtype_ddimageortext/question
+ * @package    qtype_ddimageortext
+ * @copyright  2018 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("qtype_ddimageortext/question",["jquery","core/dragdrop","core/key_codes"],(function($,dragDrop,keys){function DragDropOntoImageQuestion(containerId,readOnly,places){this.containerId=containerId,M.util.js_pending("qtype_ddimageortext-init-"+this.containerId),this.places=places,this.allImagesLoaded=!1,this.imageLoadingTimeoutId=null,this.isPrinting=!1,readOnly&&this.getRoot().addClass("qtype_ddimageortext-readonly");var thisQ=this;this.getNotYetLoadedImages().one("load",(function(){thisQ.waitForAllImagesToBeLoaded()})),this.waitForAllImagesToBeLoaded()}DragDropOntoImageQuestion.prototype.waitForAllImagesToBeLoaded=function(){var thisQ=this;this.allImagesLoaded||(null!==this.imageLoadingTimeoutId&&clearTimeout(this.imageLoadingTimeoutId),this.getNotYetLoadedImages().length>0?this.imageLoadingTimeoutId=setTimeout((function(){thisQ.waitForAllImagesToBeLoaded()}),100):(this.allImagesLoaded=!0,thisQ.setupQuestion()))},DragDropOntoImageQuestion.prototype.getNotYetLoadedImages=function(){var thisQ=this;return this.getRoot().find(".ddarea img").not((function(i,imgNode){return thisQ.imageIsLoaded(imgNode)}))},DragDropOntoImageQuestion.prototype.imageIsLoaded=function(imgElement){return imgElement.complete&&0!==imgElement.naturalHeight},DragDropOntoImageQuestion.prototype.setupQuestion=function(){this.resizeAllDragsAndDrops(),this.cloneDrags(),this.positionDragsAndDrops(),M.util.js_complete("qtype_ddimageortext-init-"+this.containerId)},DragDropOntoImageQuestion.prototype.resizeAllDragsAndDrops=function(){var thisQ=this;this.getRoot().find(".draghomes > div").each((function(i,node){thisQ.resizeAllDragsAndDropsInGroup(thisQ.getClassnameNumericSuffix($(node),"dragitemgroup"))}))},DragDropOntoImageQuestion.prototype.resizeAllDragsAndDropsInGroup=function(group){var root=this.getRoot(),dragHomes=root.find(".dragitemgroup"+group+" .draghome"),maxWidth=0,maxHeight=0;for(var i in dragHomes.each((function(i,drag){maxWidth=Math.max(maxWidth,Math.ceil(drag.offsetWidth)),maxHeight=Math.max(maxHeight,Math.ceil(drag.offsetHeight))})),maxWidth+=10,maxHeight+=10,dragHomes.each((function(i,drag){var left=Math.round((maxWidth-drag.offsetWidth)/2),top=Math.floor((maxHeight-drag.offsetHeight)/2);$(drag).css({"padding-left":left+"px","padding-right":maxWidth-drag.offsetWidth-left+"px","padding-top":top+"px","padding-bottom":maxHeight-drag.offsetHeight-top+"px"})})),this.places)if(this.places.hasOwnProperty(i)){var place=this.places[i],label=place.text;parseInt(place.group)===group&&(""===label&&(label=M.util.get_string("blank","qtype_ddimageortext")),root.find(".dropzones").append('<div class="dropzone active group'+place.group+" place"+i+'" tabindex="0"><span class="accesshide">'+label+"</span>&nbsp;</div>"),root.find(".dropzone.place"+i).width(maxWidth-2).height(maxHeight-2))}},DragDropOntoImageQuestion.prototype.cloneDrags=function(){var thisQ=this;thisQ.getRoot().find(".draghome").each((function(index,dragHome){var drag=$(dragHome),placeHolder=drag.clone();placeHolder.removeClass(),placeHolder.addClass("draghome choice"+thisQ.getChoice(drag)+" group"+thisQ.getGroup(drag)+" dragplaceholder"),drag.before(placeHolder)}))},DragDropOntoImageQuestion.prototype.cloneDragsForOneChoice=function(dragHome){if(dragHome.hasClass("infinite"))for(var noOfDrags=this.noOfDropsInGroup(this.getGroup(dragHome)),i=0;i<noOfDrags;i++)this.cloneDrag(dragHome);else this.cloneDrag(dragHome)},DragDropOntoImageQuestion.prototype.cloneDrag=function(dragHome){var drag=dragHome.clone();drag.removeClass("draghome").addClass("drag unplaced moodle-has-zindex").offset(dragHome.offset()),this.getRoot().find(".dragitems").append(drag)},DragDropOntoImageQuestion.prototype.positionDragsAndDrops=function(){var thisQ=this,root=this.getRoot(),bgRatio=this.bgRatio();root.find(".ddarea .dropzone").each((function(i,dropNode){var drop=$(dropNode),place=thisQ.places[thisQ.getPlace(drop)];drop.css("left",parseInt(place.xy[0])*bgRatio).css("top",parseInt(place.xy[1])*bgRatio),drop.data("originX",parseInt(place.xy[0])).data("originY",parseInt(place.xy[1])),thisQ.handleElementScale(drop,"left top")})),root.find(".draghome").not(".dragplaceholder").each((function(i,dragNode){var drag=$(dragNode),currentPlace=thisQ.getClassnameNumericSuffix(drag,"inplace");drag.addClass("unplaced").removeClass("placed"),drag.removeAttr("tabindex"),null!==currentPlace&&drag.removeClass("inplace"+currentPlace)})),root.find("input.placeinput").each((function(i,inputNode){var input=$(inputNode),choice=input.val();if(!(0===choice.length||choice.length>0&&"0"===choice)){var place=thisQ.getPlace(input),unplacedDrag=thisQ.getUnplacedChoice(thisQ.getGroup(input),choice),hiddenDrag=thisQ.getDragClone(unplacedDrag);if(hiddenDrag.length)if(unplacedDrag.hasClass("infinite")){var noOfDrags=thisQ.noOfDropsInGroup(thisQ.getGroup(unplacedDrag));if(thisQ.getInfiniteDragClones(unplacedDrag,!1).length<noOfDrags){var cloneDrag=unplacedDrag.clone();cloneDrag.removeClass("beingdragged"),cloneDrag.removeAttr("tabindex"),hiddenDrag.after(cloneDrag)}else hiddenDrag.addClass("active")}else hiddenDrag.addClass("active");var drop=root.find(".dropzone.place"+place);thisQ.sendDragToDrop(unplacedDrag,drop)}}))},DragDropOntoImageQuestion.prototype.handleDragStart=function(e){var thisQ=this,drag=$(e.target).closest(".draghome"),newIndex=this.calculateZIndex()+2;if(dragDrop.prepare(e).start){drag.addClass("beingdragged").css("transform","").css("z-index",newIndex);var currentPlace=this.getClassnameNumericSuffix(drag,"inplace");if(null!==currentPlace){this.setInputValue(currentPlace,0),drag.removeClass("inplace"+currentPlace);var hiddenDrop=thisQ.getDrop(drag,currentPlace);hiddenDrop.length&&(hiddenDrop.addClass("active"),drag.offset(hiddenDrop.offset()))}else{var hiddenDrag=thisQ.getDragClone(drag);if(hiddenDrag.length)if(drag.hasClass("infinite")){var noOfDrags=this.noOfDropsInGroup(thisQ.getGroup(drag));if(this.getInfiniteDragClones(drag,!1).length<noOfDrags){var cloneDrag=drag.clone();cloneDrag.removeClass("beingdragged"),cloneDrag.removeAttr("tabindex"),hiddenDrag.after(cloneDrag),questionManager.addEventHandlersToDrag(cloneDrag),drag.offset(cloneDrag.offset())}else hiddenDrag.addClass("active"),drag.offset(hiddenDrag.offset())}else hiddenDrag.addClass("active"),drag.offset(hiddenDrag.offset())}dragDrop.start(e,drag,(function(x,y,drag){thisQ.dragMove(x,y,drag)}),(function(x,y,drag){thisQ.dragEnd(x,y,drag)}))}},DragDropOntoImageQuestion.prototype.dragMove=function(pageX,pageY,drag){var thisQ=this,highlighted=!1;this.getRoot().find(".dropzone.group"+this.getGroup(drag)).each((function(i,dropNode){var drop=$(dropNode);thisQ.isPointInDrop(pageX,pageY,drop)&&!highlighted?(highlighted=!0,drop.addClass("valid-drag-over-drop")):drop.removeClass("valid-drag-over-drop")})),this.getRoot().find(".draghome.placed.group"+this.getGroup(drag)).not(".beingdragged").each((function(i,dropNode){var drop=$(dropNode);!thisQ.isPointInDrop(pageX,pageY,drop)||highlighted||thisQ.isDragSameAsDrop(drag,drop)?drop.removeClass("valid-drag-over-drop"):(highlighted=!0,drop.addClass("valid-drag-over-drop"))}))},DragDropOntoImageQuestion.prototype.dragEnd=function(pageX,pageY,drag){var thisQ=this,root=this.getRoot(),placed=!1;root.find(".dropzone.group"+this.getGroup(drag)).each((function(i,dropNode){var drop=$(dropNode);return!thisQ.isPointInDrop(pageX,pageY,drop)||(drop.removeClass("valid-drag-over-drop"),thisQ.sendDragToDrop(drag,drop),placed=!0,!1)})),placed||root.find(".draghome.placed.group"+this.getGroup(drag)).not(".beingdragged").each((function(i,placedNode){var placedDrag=$(placedNode);if(!thisQ.isPointInDrop(pageX,pageY,placedDrag)||thisQ.isDragSameAsDrop(drag,placedDrag))return!0;placedDrag.removeClass("valid-drag-over-drop");var currentPlace=thisQ.getClassnameNumericSuffix(placedDrag,"inplace"),drop=thisQ.getDrop(drag,currentPlace);return thisQ.sendDragToDrop(drag,drop),placed=!0,!1})),placed||this.sendDragHome(drag)},DragDropOntoImageQuestion.prototype.sendDragToDrop=function(drag,drop){var oldDrag=this.getCurrentDragInPlace(this.getPlace(drop));if(0!==oldDrag.length){oldDrag.addClass("beingdragged"),oldDrag.offset(oldDrag.offset());var currentPlace=this.getClassnameNumericSuffix(oldDrag,"inplace");this.getDrop(oldDrag,currentPlace).addClass("active"),this.sendDragHome(oldDrag)}0===drag.length?(this.setInputValue(this.getPlace(drop),0),drop.data("isfocus")&&drop.focus()):(this.setInputValue(this.getPlace(drop),this.getChoice(drag)),drag.removeClass("unplaced").addClass("placed inplace"+this.getPlace(drop)),drag.attr("tabindex",0),this.animateTo(drag,drop))},DragDropOntoImageQuestion.prototype.sendDragHome=function(drag){var currentPlace=this.getClassnameNumericSuffix(drag,"inplace");null!==currentPlace&&drag.removeClass("inplace"+currentPlace),drag.data("unplaced",!0),this.animateTo(drag,this.getDragHome(this.getGroup(drag),this.getChoice(drag)))},DragDropOntoImageQuestion.prototype.handleKeyPress=function(e){var drop=$(e.target).closest(".dropzone");if(0===drop.length){var placedDrag=$(e.target),currentPlace=this.getClassnameNumericSuffix(placedDrag,"inplace");null!==currentPlace&&(drop=this.getDrop(placedDrag,currentPlace))}var currentDrag=this.getCurrentDragInPlace(this.getPlace(drop)),nextDrag=$();switch(e.keyCode){case keys.space:case keys.arrowRight:case keys.arrowDown:nextDrag=this.getNextDrag(this.getGroup(drop),currentDrag);break;case keys.arrowLeft:case keys.arrowUp:nextDrag=this.getPreviousDrag(this.getGroup(drop),currentDrag);break;case keys.escape:questionManager.isKeyboardNavigation=!1;break;default:return void(questionManager.isKeyboardNavigation=!1)}if(nextDrag.length){nextDrag.data("isfocus",!0),nextDrag.addClass("beingdragged");var hiddenDrag=this.getDragClone(nextDrag);if(hiddenDrag.length)if(nextDrag.hasClass("infinite")){var noOfDrags=this.noOfDropsInGroup(this.getGroup(nextDrag));if(this.getInfiniteDragClones(nextDrag,!1).length<noOfDrags){var cloneDrag=nextDrag.clone();cloneDrag.removeClass("beingdragged"),cloneDrag.removeAttr("tabindex"),hiddenDrag.after(cloneDrag),questionManager.addEventHandlersToDrag(cloneDrag),nextDrag.offset(cloneDrag.offset())}else hiddenDrag.addClass("active"),nextDrag.offset(hiddenDrag.offset())}else hiddenDrag.addClass("active"),nextDrag.offset(hiddenDrag.offset())}else drop.data("isfocus",!0);e.preventDefault(),this.sendDragToDrop(nextDrag,drop)},DragDropOntoImageQuestion.prototype.getNextDrag=function(group,drag){var choice,numChoices=this.noOfChoicesInGroup(group);choice=0===drag.length?1:this.getChoice(drag)+1;for(var next=this.getUnplacedChoice(group,choice);0===next.length&&choice<numChoices;)choice++,next=this.getUnplacedChoice(group,choice);return next},DragDropOntoImageQuestion.prototype.getPreviousDrag=function(group,drag){var choice;choice=0===drag.length?this.noOfChoicesInGroup(group):this.getChoice(drag)-1;for(var previous=this.getUnplacedChoice(group,choice);0===previous.length&&choice>1;)choice--,previous=this.getUnplacedChoice(group,choice);return previous},DragDropOntoImageQuestion.prototype.animateTo=function(drag,target){var currentPos=drag.offset(),targetPos=target.offset(),thisQ=this;M.util.js_pending("qtype_ddimageortext-animate-"+thisQ.containerId),drag.animate({left:parseInt(drag.css("left"))+targetPos.left-currentPos.left,top:parseInt(drag.css("top"))+targetPos.top-currentPos.top},{duration:"fast",done:function(){$("body").trigger("qtype_ddimageortext-dragmoved",[drag,target,thisQ]),M.util.js_complete("qtype_ddimageortext-animate-"+thisQ.containerId)}})},DragDropOntoImageQuestion.prototype.isPointInDrop=function(pageX,pageY,drop){var position=drop.offset();return drop.hasClass("draghome")?pageX>=position.left&&pageX<position.left+drop.outerWidth()&&pageY>=position.top&&pageY<position.top+drop.outerHeight():pageX>=position.left&&pageX<position.left+drop.width()&&pageY>=position.top&&pageY<position.top+drop.height()},DragDropOntoImageQuestion.prototype.setInputValue=function(place,choice){this.getRoot().find("input.placeinput.place"+place).val(choice)},DragDropOntoImageQuestion.prototype.getRoot=function(){return $(document.getElementById(this.containerId))},DragDropOntoImageQuestion.prototype.bgImage=function(){return this.getRoot().find("img.dropbackground")},DragDropOntoImageQuestion.prototype.getDragHome=function(group,choice){return this.getRoot().find(".draghome.dragplaceholder.group"+group+".choice"+choice).is(":visible")?this.getRoot().find(".draghome.dragplaceholder.group"+group+".choice"+choice):this.getRoot().find(".dragitemgroup"+group+" .draghome.infinite.choice"+choice+".group"+group)},DragDropOntoImageQuestion.prototype.getUnplacedChoice=function(group,choice){return this.getRoot().find(".ddarea .draghome.group"+group+".choice"+choice+".unplaced").slice(0,1)},DragDropOntoImageQuestion.prototype.getCurrentDragInPlace=function(place){return this.getRoot().find(".ddarea .draghome.inplace"+place)},DragDropOntoImageQuestion.prototype.noOfDropsInGroup=function(group){return this.getRoot().find(".dropzone.group"+group).length},DragDropOntoImageQuestion.prototype.noOfChoicesInGroup=function(group){return this.getRoot().find(".dragitemgroup"+group+" .draghome").length},DragDropOntoImageQuestion.prototype.getClassnameNumericSuffix=function(node,prefix){var classes=node.attr("class");if(""!==classes)for(var classesArr=classes.split(" "),index=0;index<classesArr.length;index++){if(new RegExp("^"+prefix+"([0-9])+$").test(classesArr[index])){var match=new RegExp("([0-9])+$").exec(classesArr[index]);return Number(match[0])}}return null},DragDropOntoImageQuestion.prototype.getChoice=function(drag){return this.getClassnameNumericSuffix(drag,"choice")},DragDropOntoImageQuestion.prototype.getGroup=function(node){return this.getClassnameNumericSuffix(node,"group")},DragDropOntoImageQuestion.prototype.getPlace=function(node){return this.getClassnameNumericSuffix(node,"place")},DragDropOntoImageQuestion.prototype.getDragClone=function(drag){return this.getRoot().find(".dragitemgroup"+this.getGroup(drag)+" .draghome.choice"+this.getChoice(drag)+".group"+this.getGroup(drag)+".dragplaceholder")},DragDropOntoImageQuestion.prototype.getInfiniteDragClones=function(drag,inHome){return inHome?this.getRoot().find(".dragitemgroup"+this.getGroup(drag)+" .draghome.choice"+this.getChoice(drag)+".group"+this.getGroup(drag)+".infinite").not(".dragplaceholder"):this.getRoot().find(".draghome.choice"+this.getChoice(drag)+".group"+this.getGroup(drag)+".infinite").not(".dragplaceholder")},DragDropOntoImageQuestion.prototype.getDrop=function(drag,currentPlace){return this.getRoot().find(".dropzone.group"+this.getGroup(drag)+".place"+currentPlace)},DragDropOntoImageQuestion.prototype.handleResize=function(){var thisQ=this,bgRatio=this.bgRatio();this.isPrinting&&(bgRatio=1),this.getRoot().find(".ddarea .dropzone").each((function(i,dropNode){$(dropNode).css("left",parseInt($(dropNode).data("originX"))*parseFloat(bgRatio)).css("top",parseInt($(dropNode).data("originY"))*parseFloat(bgRatio)),thisQ.handleElementScale(dropNode,"left top")})),this.getRoot().find("div.droparea .draghome").not(".beingdragged").each((function(key,drag){$(drag).css("left",parseFloat($(drag).data("originX"))*parseFloat(bgRatio)).css("top",parseFloat($(drag).data("originY"))*parseFloat(bgRatio)),thisQ.handleElementScale(drag,"left top")}))},DragDropOntoImageQuestion.prototype.bgRatio=function(){var bgImg=this.bgImage(),bgImgNaturalWidth=bgImg.get(0).naturalWidth;return bgImg.width()/bgImgNaturalWidth},DragDropOntoImageQuestion.prototype.handleElementScale=function(element,type){var bgRatio=parseFloat(this.bgRatio());this.isPrinting&&(bgRatio=1),$(element).css({"-webkit-transform":"scale("+bgRatio+")","-moz-transform":"scale("+bgRatio+")","-ms-transform":"scale("+bgRatio+")","-o-transform":"scale("+bgRatio+")",transform:"scale("+bgRatio+")","transform-origin":type})},DragDropOntoImageQuestion.prototype.calculateZIndex=function(){var zIndex=0;return this.getRoot().find(".ddarea .dropzone, div.droparea .draghome").each((function(i,dropNode){var itemZIndex=(dropNode=$(dropNode)).css("z-index")?parseInt(dropNode.css("z-index")):0;itemZIndex>zIndex&&(zIndex=itemZIndex)})),zIndex},DragDropOntoImageQuestion.prototype.isDragSameAsDrop=function(drag,drop){return this.getChoice(drag)===this.getChoice(drop)&&this.getGroup(drag)===this.getGroup(drop)};var questionManager={eventHandlersInitialised:!1,isPrinting:!1,isKeyboardNavigation:!1,questions:{},init:function(containerId,readOnly,places){questionManager.questions[containerId]=new DragDropOntoImageQuestion(containerId,readOnly,places),questionManager.eventHandlersInitialised||(questionManager.setupEventHandlers(),questionManager.eventHandlersInitialised=!0)},setupEventHandlers:function(){questionManager.addEventHandlersToDrag($(".que.ddimageortext:not(.qtype_ddimageortext-readonly) .draghome")),$("body").on("keydown",".que.ddimageortext:not(.qtype_ddimageortext-readonly) .dropzones .dropzone",questionManager.handleKeyPress).on("keydown",".que.ddimageortext:not(.qtype_ddimageortext-readonly) .draghome.placed:not(.beingdragged)",questionManager.handleKeyPress).on("qtype_ddimageortext-dragmoved",questionManager.handleDragMoved),$(window).on("resize",(function(){questionManager.handleWindowResize(!1)})),window.addEventListener("beforeprint",(function(){questionManager.isPrinting=!0,questionManager.handleWindowResize(questionManager.isPrinting)})),window.addEventListener("afterprint",(function(){questionManager.isPrinting=!1,questionManager.handleWindowResize(questionManager.isPrinting)})),setTimeout((function(){questionManager.fixLayoutIfThingsMoved()}),100)},addEventHandlersToDrag:function(element){element.unbind("mousedown touchstart"),element.on("mousedown touchstart",questionManager.handleDragStart)},handleDragStart:function(e){e.preventDefault();var question=questionManager.getQuestionForEvent(e);question&&question.handleDragStart(e)},handleKeyPress:function(e){if(!questionManager.isKeyboardNavigation){questionManager.isKeyboardNavigation=!0;var question=questionManager.getQuestionForEvent(e);question&&question.handleKeyPress(e)}},handleWindowResize:function(isPrinting){for(var containerId in questionManager.questions)questionManager.questions.hasOwnProperty(containerId)&&(questionManager.questions[containerId].isPrinting=isPrinting,questionManager.questions[containerId].handleResize())},fixLayoutIfThingsMoved:function(){this.handleWindowResize(questionManager.isPrinting),setTimeout((function(){questionManager.fixLayoutIfThingsMoved(questionManager.isPrinting)}),100)},handleDragMoved:function(e,drag,target,thisQ){drag.removeClass("beingdragged").css("z-index",""),drag.css("top",target.position().top).css("left",target.position().left),target.after(drag),target.removeClass("active"),void 0!==drag.data("unplaced")&&!0===drag.data("unplaced")?(drag.removeClass("placed").addClass("unplaced"),drag.removeAttr("tabindex"),drag.removeData("unplaced"),drag.css("top","").css("left","").css("transform",""),drag.hasClass("infinite")&&thisQ.getInfiniteDragClones(drag,!0).length>1&&thisQ.getInfiniteDragClones(drag,!0).first().remove()):(drag.data("originX",target.data("originX")).data("originY",target.data("originY")),thisQ.handleElementScale(drag,"left top")),void 0!==drag.data("isfocus")&&!0===drag.data("isfocus")&&(drag.focus(),drag.removeData("isfocus")),void 0!==target.data("isfocus")&&!0===target.data("isfocus")&&target.removeData("isfocus"),questionManager.isKeyboardNavigation&&(questionManager.isKeyboardNavigation=!1)},getQuestionForEvent:function(e){var containerId=$(e.currentTarget).closest(".que.ddimageortext").attr("id");return questionManager.questions[containerId]}};return{init:questionManager.init}}));
+
+//# sourceMappingURL=question.min.js.map
\ No newline at end of file
diff --git a/question/type/ddimageortext/amd/build/question.min.js.map b/question/type/ddimageortext/amd/build/question.min.js.map
index 801f7400072..093871d48ef 100644
--- a/question/type/ddimageortext/amd/build/question.min.js.map
+++ b/question/type/ddimageortext/amd/build/question.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/*\n * JavaScript to allow dragging options to slots (using mouse down or touch) or tab through slots using keyboard.\n *\n * @module     qtype_ddimageortext/question\n * @package    qtype_ddimageortext\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/dragdrop', 'core/key_codes'], function($, dragDrop, keys) {\n\n    \"use strict\";\n\n    /**\n     * Initialise one drag-drop onto image question.\n     *\n     * @param {String} containerId id of the outer div for this question.\n     * @param {boolean} readOnly whether the question is being displayed read-only.\n     * @param {Array} places Information about the drop places.\n     * @constructor\n     */\n    function DragDropOntoImageQuestion(containerId, readOnly, places) {\n        this.containerId = containerId;\n        M.util.js_pending('qtype_ddimageortext-init-' + this.containerId);\n        this.places = places;\n        this.allImagesLoaded = false;\n        this.imageLoadingTimeoutId = null;\n        this.isPrinting = false;\n        if (readOnly) {\n            this.getRoot().addClass('qtype_ddimageortext-readonly');\n        }\n\n        var thisQ = this;\n        this.getNotYetLoadedImages().one('load', function() {\n            thisQ.waitForAllImagesToBeLoaded();\n        });\n        this.waitForAllImagesToBeLoaded();\n    }\n\n    /**\n     * Waits until all images are loaded before calling setupQuestion().\n     *\n     * This function is called from the onLoad of each image, and also polls with\n     * a time-out, because image on-loads are allegedly unreliable.\n     */\n    DragDropOntoImageQuestion.prototype.waitForAllImagesToBeLoaded = function() {\n        var thisQ = this;\n\n        // This method may get called multiple times (via image on-loads or timeouts.\n        // If we are already done, don't do it again.\n        if (this.allImagesLoaded) {\n            return;\n        }\n\n        // Clear any current timeout, if set.\n        if (this.imageLoadingTimeoutId !== null) {\n            clearTimeout(this.imageLoadingTimeoutId);\n        }\n\n        // If we have not yet loaded all images, set a timeout to\n        // call ourselves again, since apparently images on-load\n        // events are flakey.\n        if (this.getNotYetLoadedImages().length > 0) {\n            this.imageLoadingTimeoutId = setTimeout(function() {\n                thisQ.waitForAllImagesToBeLoaded();\n            }, 100);\n            return;\n        }\n\n        // We now have all images. Carry on, but only after giving the layout a chance to settle down.\n        this.allImagesLoaded = true;\n        thisQ.setupQuestion();\n    };\n\n    /**\n     * Get any of the images in the drag-drop area that are not yet fully loaded.\n     *\n     * @returns {jQuery} those images.\n     */\n    DragDropOntoImageQuestion.prototype.getNotYetLoadedImages = function() {\n        var thisQ = this;\n        return this.getRoot().find('.ddarea img').not(function(i, imgNode) {\n            return thisQ.imageIsLoaded(imgNode);\n        });\n    };\n\n    /**\n     * Check if an image has loaded without errors.\n     *\n     * @param {HTMLImageElement} imgElement an image.\n     * @returns {boolean} true if this image has loaded without errors.\n     */\n    DragDropOntoImageQuestion.prototype.imageIsLoaded = function(imgElement) {\n        return imgElement.complete && imgElement.naturalHeight !== 0;\n    };\n\n    /**\n     * Set up the question, once all images have been loaded.\n     */\n    DragDropOntoImageQuestion.prototype.setupQuestion = function() {\n        this.resizeAllDragsAndDrops();\n        this.cloneDrags();\n        this.positionDragsAndDrops();\n        M.util.js_complete('qtype_ddimageortext-init-' + this.containerId);\n    };\n\n    /**\n     * In each group, resize all the items to be the same size.\n     */\n    DragDropOntoImageQuestion.prototype.resizeAllDragsAndDrops = function() {\n        var thisQ = this;\n        this.getRoot().find('.draghomes > div').each(function(i, node) {\n            thisQ.resizeAllDragsAndDropsInGroup(\n                    thisQ.getClassnameNumericSuffix($(node), 'dragitemgroup'));\n        });\n    };\n\n    /**\n     * In a given group, set all the drags and drops to be the same size.\n     *\n     * @param {int} group the group number.\n     */\n    DragDropOntoImageQuestion.prototype.resizeAllDragsAndDropsInGroup = function(group) {\n        var root = this.getRoot(),\n            dragHomes = root.find('.dragitemgroup' + group + ' .draghome'),\n            maxWidth = 0,\n            maxHeight = 0;\n\n        // Find the maximum size of any drag in this groups.\n        dragHomes.each(function(i, drag) {\n            maxWidth = Math.max(maxWidth, Math.ceil(drag.offsetWidth));\n            maxHeight = Math.max(maxHeight, Math.ceil(drag.offsetHeight));\n        });\n\n        // The size we will want to set is a bit bigger than this.\n        maxWidth += 10;\n        maxHeight += 10;\n\n        // Set each drag home to that size.\n        dragHomes.each(function(i, drag) {\n            var left = Math.round((maxWidth - drag.offsetWidth) / 2),\n                top = Math.floor((maxHeight - drag.offsetHeight) / 2);\n            // Set top and left padding so the item is centred.\n            $(drag).css({\n                'padding-left': left + 'px',\n                'padding-right': (maxWidth - drag.offsetWidth - left) + 'px',\n                'padding-top': top + 'px',\n                'padding-bottom': (maxHeight - drag.offsetHeight - top) + 'px'\n            });\n        });\n\n        // Create the drops and make them the right size.\n        for (var i in this.places) {\n            if (!this.places.hasOwnProperty((i))) {\n                continue;\n            }\n            var place = this.places[i],\n                label = place.text;\n            if (parseInt(place.group) !== group) {\n                continue;\n            }\n            if (label === '') {\n                label = M.util.get_string('blank', 'qtype_ddimageortext');\n            }\n            root.find('.dropzones').append('<div class=\"dropzone active group' + place.group +\n                            ' place' + i + '\" tabindex=\"0\">' +\n                    '<span class=\"accesshide\">' + label + '</span>&nbsp;</div>');\n            root.find('.dropzone.place' + i).width(maxWidth - 2).height(maxHeight - 2);\n        }\n    };\n\n    /**\n     * Invisible 'drag homes' are output by the renderer. These have the same properties\n     * as the drag items but are invisible. We clone these invisible elements to make the\n     * actual drag items.\n     */\n    DragDropOntoImageQuestion.prototype.cloneDrags = function() {\n        var thisQ = this;\n        thisQ.getRoot().find('.draghome').each(function(index, dragHome) {\n            var drag = $(dragHome);\n            var placeHolder = drag.clone();\n            placeHolder.removeClass();\n            placeHolder.addClass('draghome choice' +\n                thisQ.getChoice(drag) + ' group' +\n                thisQ.getGroup(drag) + ' dragplaceholder');\n            drag.before(placeHolder);\n        });\n    };\n\n    /**\n     * Clone drag item for one choice.\n     *\n     * @param {jQuery} dragHome the drag home to clone.\n     */\n    DragDropOntoImageQuestion.prototype.cloneDragsForOneChoice = function(dragHome) {\n        if (dragHome.hasClass('infinite')) {\n            var noOfDrags = this.noOfDropsInGroup(this.getGroup(dragHome));\n            for (var i = 0; i < noOfDrags; i++) {\n                this.cloneDrag(dragHome);\n            }\n        } else {\n            this.cloneDrag(dragHome);\n        }\n    };\n\n    /**\n     * Clone drag item.\n     *\n     * @param {jQuery} dragHome\n     */\n    DragDropOntoImageQuestion.prototype.cloneDrag = function(dragHome) {\n        var drag = dragHome.clone();\n        drag.removeClass('draghome')\n            .addClass('drag unplaced moodle-has-zindex')\n            .offset(dragHome.offset());\n        this.getRoot().find('.dragitems').append(drag);\n    };\n\n    /**\n     * Update the position of drags.\n     */\n    DragDropOntoImageQuestion.prototype.positionDragsAndDrops = function() {\n        var thisQ = this,\n            root = this.getRoot(),\n            bgRatio = this.bgRatio();\n\n        // Move the drops into position.\n        root.find('.ddarea .dropzone').each(function(i, dropNode) {\n            var drop = $(dropNode),\n                place = thisQ.places[thisQ.getPlace(drop)];\n            // The xy values come from PHP as strings, so we need parseInt to stop JS doing string concatenation.\n            drop.css('left', parseInt(place.xy[0]) * bgRatio)\n                .css('top', parseInt(place.xy[1]) * bgRatio);\n            drop.data('originX', parseInt(place.xy[0]))\n                .data('originY', parseInt(place.xy[1]));\n            thisQ.handleElementScale(drop, 'left top');\n        });\n\n        // First move all items back home.\n        root.find('.draghome').not('.dragplaceholder').each(function(i, dragNode) {\n            var drag = $(dragNode),\n                currentPlace = thisQ.getClassnameNumericSuffix(drag, 'inplace');\n            drag.addClass('unplaced')\n                .removeClass('placed');\n            drag.removeAttr('tabindex');\n            if (currentPlace !== null) {\n                drag.removeClass('inplace' + currentPlace);\n            }\n        });\n\n        // Then place the ones that should be placed.\n        root.find('input.placeinput').each(function(i, inputNode) {\n            var input = $(inputNode),\n                choice = input.val();\n            if (choice.length === 0 || (choice.length > 0 && choice === '0')) {\n                // No item in this place.\n                return;\n            }\n\n            var place = thisQ.getPlace(input);\n            // Get the unplaced drag.\n            var unplacedDrag = thisQ.getUnplacedChoice(thisQ.getGroup(input), choice);\n            // Get the clone of the drag.\n            var hiddenDrag = thisQ.getDragClone(unplacedDrag);\n            if (hiddenDrag.length) {\n                if (unplacedDrag.hasClass('infinite')) {\n                    var noOfDrags = thisQ.noOfDropsInGroup(thisQ.getGroup(unplacedDrag));\n                    var cloneDrags = thisQ.getInfiniteDragClones(unplacedDrag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = unplacedDrag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        cloneDrag.removeAttr('tabindex');\n                        hiddenDrag.after(cloneDrag);\n                    } else {\n                        hiddenDrag.addClass('active');\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                }\n            }\n\n            // Send the drag to drop.\n            var drop = root.find('.dropzone.place' + place);\n            thisQ.sendDragToDrop(unplacedDrag, drop);\n        });\n    };\n\n    /**\n     * Handles the start of dragging an item.\n     *\n     * @param {Event} e the touch start or mouse down event.\n     */\n    DragDropOntoImageQuestion.prototype.handleDragStart = function(e) {\n        var thisQ = this,\n            drag = $(e.target).closest('.draghome'),\n            currentIndex = this.calculateZIndex(),\n            newIndex = currentIndex + 2;\n\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        drag.addClass('beingdragged').css('transform', '').css('z-index', newIndex);\n        var currentPlace = this.getClassnameNumericSuffix(drag, 'inplace');\n        if (currentPlace !== null) {\n            this.setInputValue(currentPlace, 0);\n            drag.removeClass('inplace' + currentPlace);\n            var hiddenDrop = thisQ.getDrop(drag, currentPlace);\n            if (hiddenDrop.length) {\n                hiddenDrop.addClass('active');\n                drag.offset(hiddenDrop.offset());\n            }\n        } else {\n            var hiddenDrag = thisQ.getDragClone(drag);\n            if (hiddenDrag.length) {\n                if (drag.hasClass('infinite')) {\n                    var noOfDrags = this.noOfDropsInGroup(thisQ.getGroup(drag));\n                    var cloneDrags = this.getInfiniteDragClones(drag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = drag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        cloneDrag.removeAttr('tabindex');\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                        drag.offset(cloneDrag.offset());\n                    } else {\n                        hiddenDrag.addClass('active');\n                        drag.offset(hiddenDrag.offset());\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                    drag.offset(hiddenDrag.offset());\n                }\n            }\n        }\n\n        dragDrop.start(e, drag, function(x, y, drag) {\n            thisQ.dragMove(x, y, drag);\n        }, function(x, y, drag) {\n            thisQ.dragEnd(x, y, drag);\n        });\n    };\n\n    /**\n     * Called whenever the currently dragged items moves.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropOntoImageQuestion.prototype.dragMove = function(pageX, pageY, drag) {\n        var thisQ = this,\n            highlighted = false;\n        this.getRoot().find('.dropzone.group' + this.getGroup(drag)).each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (thisQ.isPointInDrop(pageX, pageY, drop) && !highlighted) {\n                highlighted = true;\n                drop.addClass('valid-drag-over-drop');\n            } else {\n                drop.removeClass('valid-drag-over-drop');\n            }\n        });\n        this.getRoot().find('.draghome.placed.group' + this.getGroup(drag)).not('.beingdragged').each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (thisQ.isPointInDrop(pageX, pageY, drop) && !highlighted && !thisQ.isDragSameAsDrop(drag, drop)) {\n                highlighted = true;\n                drop.addClass('valid-drag-over-drop');\n            } else {\n                drop.removeClass('valid-drag-over-drop');\n            }\n        });\n    };\n\n    /**\n     * Called when user drops a drag item.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropOntoImageQuestion.prototype.dragEnd = function(pageX, pageY, drag) {\n        var thisQ = this,\n            root = this.getRoot(),\n            placed = false;\n\n        // Looking for drag that was dropped on a dropzone.\n        root.find('.dropzone.group' + this.getGroup(drag)).each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (!thisQ.isPointInDrop(pageX, pageY, drop)) {\n                // Not this drop.\n                return true;\n            }\n\n            // Now put this drag into the drop.\n            drop.removeClass('valid-drag-over-drop');\n            thisQ.sendDragToDrop(drag, drop);\n            placed = true;\n            return false; // Stop the each() here.\n        });\n\n        if (!placed) {\n            // Looking for drag that was dropped on a placed drag.\n            root.find('.draghome.placed.group' + this.getGroup(drag)).not('.beingdragged').each(function(i, placedNode) {\n                var placedDrag = $(placedNode);\n                if (!thisQ.isPointInDrop(pageX, pageY, placedDrag) || thisQ.isDragSameAsDrop(drag, placedDrag)) {\n                    // Not this placed drag.\n                    return true;\n                }\n\n                // Now put this drag into the drop.\n                placedDrag.removeClass('valid-drag-over-drop');\n                var currentPlace = thisQ.getClassnameNumericSuffix(placedDrag, 'inplace');\n                var drop = thisQ.getDrop(drag, currentPlace);\n                thisQ.sendDragToDrop(drag, drop);\n                placed = true;\n                return false; // Stop the each() here.\n            });\n        }\n\n        if (!placed) {\n            this.sendDragHome(drag);\n        }\n    };\n\n    /**\n     * Animate a drag item into a given place (or back home).\n     *\n     * @param {jQuery|null} drag the item to place. If null, clear the place.\n     * @param {jQuery} drop the place to put it.\n     */\n    DragDropOntoImageQuestion.prototype.sendDragToDrop = function(drag, drop) {\n        // Is there already a drag in this drop? if so, evict it.\n        var oldDrag = this.getCurrentDragInPlace(this.getPlace(drop));\n        if (oldDrag.length !== 0) {\n            oldDrag.addClass('beingdragged');\n            oldDrag.offset(oldDrag.offset());\n            var currentPlace = this.getClassnameNumericSuffix(oldDrag, 'inplace');\n            var hiddenDrop = this.getDrop(oldDrag, currentPlace);\n            hiddenDrop.addClass('active');\n            this.sendDragHome(oldDrag);\n        }\n\n        if (drag.length === 0) {\n            this.setInputValue(this.getPlace(drop), 0);\n            if (drop.data('isfocus')) {\n                drop.focus();\n            }\n        } else {\n            this.setInputValue(this.getPlace(drop), this.getChoice(drag));\n            drag.removeClass('unplaced')\n                .addClass('placed inplace' + this.getPlace(drop));\n            drag.attr('tabindex', 0);\n            this.animateTo(drag, drop);\n        }\n    };\n\n    /**\n     * Animate a drag back to its home.\n     *\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropOntoImageQuestion.prototype.sendDragHome = function(drag) {\n        var currentPlace = this.getClassnameNumericSuffix(drag, 'inplace');\n        if (currentPlace !== null) {\n            drag.removeClass('inplace' + currentPlace);\n        }\n        drag.data('unplaced', true);\n\n        this.animateTo(drag, this.getDragHome(this.getGroup(drag), this.getChoice(drag)));\n    };\n\n    /**\n     * Handles keyboard events on drops.\n     *\n     * Drops are focusable. Once focused, right/down/space switches to the next choice, and\n     * left/up switches to the previous. Escape clear.\n     *\n     * @param {KeyboardEvent} e\n     */\n    DragDropOntoImageQuestion.prototype.handleKeyPress = function(e) {\n        var drop = $(e.target).closest('.dropzone');\n        if (drop.length === 0) {\n            var placedDrag = $(e.target);\n            var currentPlace = this.getClassnameNumericSuffix(placedDrag, 'inplace');\n            if (currentPlace !== null) {\n                drop = this.getDrop(placedDrag, currentPlace);\n            }\n        }\n        var currentDrag = this.getCurrentDragInPlace(this.getPlace(drop)),\n            nextDrag = $();\n\n        switch (e.keyCode) {\n            case keys.space:\n            case keys.arrowRight:\n            case keys.arrowDown:\n                nextDrag = this.getNextDrag(this.getGroup(drop), currentDrag);\n                break;\n\n            case keys.arrowLeft:\n            case keys.arrowUp:\n                nextDrag = this.getPreviousDrag(this.getGroup(drop), currentDrag);\n                break;\n\n            case keys.escape:\n                questionManager.isKeyboardNavigation = false;\n                break;\n\n            default:\n                questionManager.isKeyboardNavigation = false;\n                return; // To avoid the preventDefault below.\n        }\n\n        if (nextDrag.length) {\n            nextDrag.data('isfocus', true);\n            nextDrag.addClass('beingdragged');\n            var hiddenDrag = this.getDragClone(nextDrag);\n            if (hiddenDrag.length) {\n                if (nextDrag.hasClass('infinite')) {\n                    var noOfDrags = this.noOfDropsInGroup(this.getGroup(nextDrag));\n                    var cloneDrags = this.getInfiniteDragClones(nextDrag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = nextDrag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        cloneDrag.removeAttr('tabindex');\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                        nextDrag.offset(cloneDrag.offset());\n                    } else {\n                        hiddenDrag.addClass('active');\n                        nextDrag.offset(hiddenDrag.offset());\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                    nextDrag.offset(hiddenDrag.offset());\n                }\n            }\n        } else {\n            drop.data('isfocus', true);\n        }\n\n        e.preventDefault();\n        this.sendDragToDrop(nextDrag, drop);\n    };\n\n    /**\n     * Choose the next drag in a group.\n     *\n     * @param {int} group which group.\n     * @param {jQuery} drag current choice (empty jQuery if there isn't one).\n     * @return {jQuery} the next drag in that group, or null if there wasn't one.\n     */\n    DragDropOntoImageQuestion.prototype.getNextDrag = function(group, drag) {\n        var choice,\n            numChoices = this.noOfChoicesInGroup(group);\n\n        if (drag.length === 0) {\n            choice = 1; // Was empty, so we want to select the first choice.\n        } else {\n            choice = this.getChoice(drag) + 1;\n        }\n\n        var next = this.getUnplacedChoice(group, choice);\n        while (next.length === 0 && choice < numChoices) {\n            choice++;\n            next = this.getUnplacedChoice(group, choice);\n        }\n\n        return next;\n    };\n\n    /**\n     * Choose the previous drag in a group.\n     *\n     * @param {int} group which group.\n     * @param {jQuery} drag current choice (empty jQuery if there isn't one).\n     * @return {jQuery} the next drag in that group, or null if there wasn't one.\n     */\n    DragDropOntoImageQuestion.prototype.getPreviousDrag = function(group, drag) {\n        var choice;\n\n        if (drag.length === 0) {\n            choice = this.noOfChoicesInGroup(group);\n        } else {\n            choice = this.getChoice(drag) - 1;\n        }\n\n        var previous = this.getUnplacedChoice(group, choice);\n        while (previous.length === 0 && choice > 1) {\n            choice--;\n            previous = this.getUnplacedChoice(group, choice);\n        }\n\n        // Does this choice exist?\n        return previous;\n    };\n\n    /**\n     * Animate an object to the given destination.\n     *\n     * @param {jQuery} drag the element to be animated.\n     * @param {jQuery} target element marking the place to move it to.\n     */\n    DragDropOntoImageQuestion.prototype.animateTo = function(drag, target) {\n        var currentPos = drag.offset(),\n            targetPos = target.offset(),\n            thisQ = this;\n\n        M.util.js_pending('qtype_ddimageortext-animate-' + thisQ.containerId);\n        // Animate works in terms of CSS position, whereas locating an object\n        // on the page works best with jQuery offset() function. So, to get\n        // the right target position, we work out the required change in\n        // offset() and then add that to the current CSS position.\n        drag.animate(\n            {\n                left: parseInt(drag.css('left')) + targetPos.left - currentPos.left,\n                top: parseInt(drag.css('top')) + targetPos.top - currentPos.top\n            },\n            {\n                duration: 'fast',\n                done: function() {\n                    $('body').trigger('qtype_ddimageortext-dragmoved', [drag, target, thisQ]);\n                    M.util.js_complete('qtype_ddimageortext-animate-' + thisQ.containerId);\n                }\n            }\n        );\n    };\n\n    /**\n     * Detect if a point is inside a given DOM node.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drop the node to check (typically a drop).\n     * @return {boolean} whether the point is inside the node.\n     */\n    DragDropOntoImageQuestion.prototype.isPointInDrop = function(pageX, pageY, drop) {\n        var position = drop.offset();\n        if (drop.hasClass('draghome')) {\n            return pageX >= position.left && pageX < position.left + drop.outerWidth()\n                && pageY >= position.top && pageY < position.top + drop.outerHeight();\n        }\n        return pageX >= position.left && pageX < position.left + drop.width()\n            && pageY >= position.top && pageY < position.top + drop.height();\n    };\n\n    /**\n     * Set the value of the hidden input for a place, to record what is currently there.\n     *\n     * @param {int} place which place to set the input value for.\n     * @param {int} choice the value to set.\n     */\n    DragDropOntoImageQuestion.prototype.setInputValue = function(place, choice) {\n        this.getRoot().find('input.placeinput.place' + place).val(choice);\n    };\n\n    /**\n     * Get the outer div for this question.\n     *\n     * @returns {jQuery} containing that div.\n     */\n    DragDropOntoImageQuestion.prototype.getRoot = function() {\n        return $(document.getElementById(this.containerId));\n    };\n\n    /**\n     * Get the img that is the background image.\n     * @returns {jQuery} containing that img.\n     */\n    DragDropOntoImageQuestion.prototype.bgImage = function() {\n        return this.getRoot().find('img.dropbackground');\n    };\n\n    /**\n     * Get drag home for a given choice.\n     *\n     * @param {int} group the group.\n     * @param {int} choice the choice number.\n     * @returns {jQuery} containing that div.\n     */\n    DragDropOntoImageQuestion.prototype.getDragHome = function(group, choice) {\n        if (!this.getRoot().find('.draghome.dragplaceholder.group' + group + '.choice' + choice).is(':visible')) {\n            return this.getRoot().find('.dragitemgroup' + group +\n                ' .draghome.infinite' +\n                '.choice' + choice +\n                '.group' + group);\n        }\n        return this.getRoot().find('.draghome.dragplaceholder.group' + group + '.choice' + choice);\n    };\n\n    /**\n     * Get an unplaced choice for a particular group.\n     *\n     * @param {int} group the group.\n     * @param {int} choice the choice number.\n     * @returns {jQuery} jQuery wrapping the unplaced choice. If there isn't one, the jQuery will be empty.\n     */\n    DragDropOntoImageQuestion.prototype.getUnplacedChoice = function(group, choice) {\n        return this.getRoot().find('.ddarea .draghome.group' + group + '.choice' + choice + '.unplaced').slice(0, 1);\n    };\n\n    /**\n     * Get the drag that is currently in a given place.\n     *\n     * @param {int} place the place number.\n     * @return {jQuery} the current drag (or an empty jQuery if none).\n     */\n    DragDropOntoImageQuestion.prototype.getCurrentDragInPlace = function(place) {\n        return this.getRoot().find('.ddarea .draghome.inplace' + place);\n    };\n\n    /**\n     * Return the number of blanks in a given group.\n     *\n     * @param {int} group the group number.\n     * @returns {int} the number of drops.\n     */\n    DragDropOntoImageQuestion.prototype.noOfDropsInGroup = function(group) {\n        return this.getRoot().find('.dropzone.group' + group).length;\n    };\n\n    /**\n     * Return the number of choices in a given group.\n     *\n     * @param {int} group the group number.\n     * @returns {int} the number of choices.\n     */\n    DragDropOntoImageQuestion.prototype.noOfChoicesInGroup = function(group) {\n        return this.getRoot().find('.dragitemgroup' + group + ' .draghome').length;\n    };\n\n    /**\n     * Return the number at the end of the CSS class name with the given prefix.\n     *\n     * @param {jQuery} node\n     * @param {String} prefix name prefix\n     * @returns {Number|null} the suffix if found, else null.\n     */\n    DragDropOntoImageQuestion.prototype.getClassnameNumericSuffix = function(node, prefix) {\n        var classes = node.attr('class');\n        if (classes !== '') {\n            var classesArr = classes.split(' ');\n            for (var index = 0; index < classesArr.length; index++) {\n                var patt1 = new RegExp('^' + prefix + '([0-9])+$');\n                if (patt1.test(classesArr[index])) {\n                    var patt2 = new RegExp('([0-9])+$');\n                    var match = patt2.exec(classesArr[index]);\n                    return Number(match[0]);\n                }\n            }\n        }\n        return null;\n    };\n\n    /**\n     * Get the choice number of a drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {Number} the choice number.\n     */\n    DragDropOntoImageQuestion.prototype.getChoice = function(drag) {\n        return this.getClassnameNumericSuffix(drag, 'choice');\n    };\n\n    /**\n     * Given a DOM node that is significant to this question\n     * (drag, drop, ...) get the group it belongs to.\n     *\n     * @param {jQuery} node a DOM node.\n     * @returns {Number} the group it belongs to.\n     */\n    DragDropOntoImageQuestion.prototype.getGroup = function(node) {\n        return this.getClassnameNumericSuffix(node, 'group');\n    };\n\n    /**\n     * Get the place number of a drop, or its corresponding hidden input.\n     *\n     * @param {jQuery} node the DOM node.\n     * @returns {Number} the place number.\n     */\n    DragDropOntoImageQuestion.prototype.getPlace = function(node) {\n        return this.getClassnameNumericSuffix(node, 'place');\n    };\n\n    /**\n     * Get drag clone for a given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {jQuery} the drag's clone.\n     */\n    DragDropOntoImageQuestion.prototype.getDragClone = function(drag) {\n        return this.getRoot().find('.dragitemgroup' +\n            this.getGroup(drag) +\n            ' .draghome' +\n            '.choice' + this.getChoice(drag) +\n            '.group' + this.getGroup(drag) +\n            '.dragplaceholder');\n    };\n\n    /**\n     * Get infinite drag clones for given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Boolean} inHome in the home area or not.\n     * @returns {jQuery} the drag's clones.\n     */\n    DragDropOntoImageQuestion.prototype.getInfiniteDragClones = function(drag, inHome) {\n        if (inHome) {\n            return this.getRoot().find('.dragitemgroup' +\n                this.getGroup(drag) +\n                ' .draghome' +\n                '.choice' + this.getChoice(drag) +\n                '.group' + this.getGroup(drag) +\n                '.infinite').not('.dragplaceholder');\n        }\n        return this.getRoot().find('.draghome' +\n            '.choice' + this.getChoice(drag) +\n            '.group' + this.getGroup(drag) +\n            '.infinite').not('.dragplaceholder');\n    };\n\n    /**\n     * Get drop for a given drag and place.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Integer} currentPlace the current place of drag.\n     * @returns {jQuery} the drop's clone.\n     */\n    DragDropOntoImageQuestion.prototype.getDrop = function(drag, currentPlace) {\n        return this.getRoot().find('.dropzone.group' + this.getGroup(drag) + '.place' + currentPlace);\n    };\n\n    /**\n     * Handle when the window is resized.\n     */\n    DragDropOntoImageQuestion.prototype.handleResize = function() {\n        var thisQ = this,\n            bgRatio = this.bgRatio();\n        if (this.isPrinting) {\n            bgRatio = 1;\n        }\n\n        this.getRoot().find('.ddarea .dropzone').each(function(i, dropNode) {\n            $(dropNode)\n                .css('left', parseInt($(dropNode).data('originX')) * parseFloat(bgRatio))\n                .css('top', parseInt($(dropNode).data('originY')) * parseFloat(bgRatio));\n            thisQ.handleElementScale(dropNode, 'left top');\n        });\n\n        this.getRoot().find('div.droparea .draghome').not('.beingdragged').each(function(key, drag) {\n            $(drag)\n                .css('left', parseFloat($(drag).data('originX')) * parseFloat(bgRatio))\n                .css('top', parseFloat($(drag).data('originY')) * parseFloat(bgRatio));\n            thisQ.handleElementScale(drag, 'left top');\n        });\n    };\n\n    /**\n     * Return the background ratio.\n     *\n     * @returns {number} Background ratio.\n     */\n    DragDropOntoImageQuestion.prototype.bgRatio = function() {\n        var bgImg = this.bgImage();\n        var bgImgNaturalWidth = bgImg.get(0).naturalWidth;\n        var bgImgClientWidth = bgImg.width();\n\n        return bgImgClientWidth / bgImgNaturalWidth;\n    };\n\n    /**\n     * Scale the drag if needed.\n     *\n     * @param {jQuery} element the item to place.\n     * @param {String} type scaling type\n     */\n    DragDropOntoImageQuestion.prototype.handleElementScale = function(element, type) {\n        var bgRatio = parseFloat(this.bgRatio());\n        if (this.isPrinting) {\n            bgRatio = 1;\n        }\n        $(element).css({\n            '-webkit-transform': 'scale(' + bgRatio + ')',\n            '-moz-transform': 'scale(' + bgRatio + ')',\n            '-ms-transform': 'scale(' + bgRatio + ')',\n            '-o-transform': 'scale(' + bgRatio + ')',\n            'transform': 'scale(' + bgRatio + ')',\n            'transform-origin': type\n        });\n    };\n\n    /**\n     * Calculate z-index value.\n     *\n     * @returns {number} z-index value\n     */\n    DragDropOntoImageQuestion.prototype.calculateZIndex = function() {\n        var zIndex = 0;\n        this.getRoot().find('.ddarea .dropzone, div.droparea .draghome').each(function(i, dropNode) {\n            dropNode = $(dropNode);\n            // Note that webkit browsers won't return the z-index value from the CSS stylesheet\n            // if the element doesn't have a position specified. Instead it'll return \"auto\".\n            var itemZIndex = dropNode.css('z-index') ? parseInt(dropNode.css('z-index')) : 0;\n\n            if (itemZIndex > zIndex) {\n                zIndex = itemZIndex;\n            }\n        });\n\n        return zIndex;\n    };\n\n    /**\n     * Check that the drag is drop to it's clone.\n     *\n     * @param {jQuery} drag The drag.\n     * @param {jQuery} drop The drop.\n     * @returns {boolean}\n     */\n    DragDropOntoImageQuestion.prototype.isDragSameAsDrop = function(drag, drop) {\n        return this.getChoice(drag) === this.getChoice(drop) && this.getGroup(drag) === this.getGroup(drop);\n    };\n\n    /**\n     * Singleton object that handles all the DragDropOntoImageQuestions\n     * on the page, and deals with event dispatching.\n     * @type {Object}\n     */\n    var questionManager = {\n\n        /**\n         * {boolean} ensures that the event handlers are only initialised once per page.\n         */\n        eventHandlersInitialised: false,\n\n        /**\n         * {boolean} is printing or not.\n         */\n        isPrinting: false,\n\n        /**\n         * {boolean} is keyboard navigation or not.\n         */\n        isKeyboardNavigation: false,\n\n        /**\n         * {Object} all the questions on this page, indexed by containerId (id on the .que div).\n         */\n        questions: {}, // An object containing all the information about each question on the page.\n\n        /**\n         * Initialise one question.\n         *\n         * @param {String} containerId the id of the div.que that contains this question.\n         * @param {boolean} readOnly whether the question is read-only.\n         * @param {Array} places data.\n         */\n        init: function(containerId, readOnly, places) {\n            questionManager.questions[containerId] =\n                new DragDropOntoImageQuestion(containerId, readOnly, places);\n            if (!questionManager.eventHandlersInitialised) {\n                questionManager.setupEventHandlers();\n                questionManager.eventHandlersInitialised = true;\n            }\n        },\n\n        /**\n         * Set up the event handlers that make this question type work. (Done once per page.)\n         */\n        setupEventHandlers: function() {\n            // We do not use the body event here to prevent the other event on Mobile device, such as scroll event.\n            questionManager.addEventHandlersToDrag($('.que.ddimageortext:not(.qtype_ddimageortext-readonly) .draghome'));\n            $('body')\n                .on('keydown',\n                    '.que.ddimageortext:not(.qtype_ddimageortext-readonly) .dropzones .dropzone',\n                    questionManager.handleKeyPress)\n                .on('keydown',\n                    '.que.ddimageortext:not(.qtype_ddimageortext-readonly) .draghome.placed:not(.beingdragged)',\n                    questionManager.handleKeyPress)\n                .on('qtype_ddimageortext-dragmoved', questionManager.handleDragMoved);\n            $(window).on('resize', function() {\n                questionManager.handleWindowResize(false);\n            });\n            window.addEventListener('beforeprint', function() {\n                questionManager.isPrinting = true;\n                questionManager.handleWindowResize(questionManager.isPrinting);\n            });\n            window.addEventListener('afterprint', function() {\n                questionManager.isPrinting = false;\n                questionManager.handleWindowResize(questionManager.isPrinting);\n            });\n            setTimeout(function() {\n                questionManager.fixLayoutIfThingsMoved();\n            }, 100);\n        },\n\n        /**\n         * Binding the drag/touch event again for newly created element.\n         *\n         * @param {jQuery} element Element to bind the event\n         */\n        addEventHandlersToDrag: function(element) {\n            // Unbind all the mousedown and touchstart events to prevent double binding.\n            element.unbind('mousedown touchstart');\n            element.on('mousedown touchstart', questionManager.handleDragStart);\n        },\n\n        /**\n         * Handle mouse down / touch start events on drags.\n         * @param {Event} e the DOM event.\n         */\n        handleDragStart: function(e) {\n            e.preventDefault();\n            var question = questionManager.getQuestionForEvent(e);\n            if (question) {\n                question.handleDragStart(e);\n            }\n        },\n\n        /**\n         * Handle key down / press events on drags.\n         * @param {KeyboardEvent} e\n         */\n        handleKeyPress: function(e) {\n            if (questionManager.isKeyboardNavigation) {\n                return;\n            }\n            questionManager.isKeyboardNavigation = true;\n            var question = questionManager.getQuestionForEvent(e);\n            if (question) {\n                question.handleKeyPress(e);\n            }\n        },\n\n        /**\n         * Handle when the window is resized.\n         * @param {boolean} isPrinting\n         */\n        handleWindowResize: function(isPrinting) {\n            for (var containerId in questionManager.questions) {\n                if (questionManager.questions.hasOwnProperty(containerId)) {\n                    questionManager.questions[containerId].isPrinting = isPrinting;\n                    questionManager.questions[containerId].handleResize();\n                }\n            }\n        },\n\n        /**\n         * Sometimes, despite our best efforts, things change in a way that cannot\n         * be specifically caught (e.g. dock expanding or collapsing in Boost).\n         * Therefore, we need to periodically check everything is in the right position.\n         */\n        fixLayoutIfThingsMoved: function() {\n            this.handleWindowResize(questionManager.isPrinting);\n            // We use setTimeout after finishing work, rather than setInterval,\n            // in case positioning things is slow. We want 100 ms gap\n            // between executions, not what setInterval does.\n            setTimeout(function() {\n                questionManager.fixLayoutIfThingsMoved(questionManager.isPrinting);\n            }, 100);\n        },\n\n        /**\n         * Handle when drag moved.\n         *\n         * @param {Event} e the event.\n         * @param {jQuery} drag the drag\n         * @param {jQuery} target the target\n         * @param {DragDropOntoImageQuestion} thisQ the question.\n         */\n        handleDragMoved: function(e, drag, target, thisQ) {\n            drag.removeClass('beingdragged').css('z-index', '');\n            drag.css('top', target.position().top).css('left', target.position().left);\n            target.after(drag);\n            target.removeClass('active');\n            if (typeof drag.data('unplaced') !== 'undefined' && drag.data('unplaced') === true) {\n                drag.removeClass('placed').addClass('unplaced');\n                drag.removeAttr('tabindex');\n                drag.removeData('unplaced');\n                drag.css('top', '')\n                    .css('left', '')\n                    .css('transform', '');\n                if (drag.hasClass('infinite') && thisQ.getInfiniteDragClones(drag, true).length > 1) {\n                    thisQ.getInfiniteDragClones(drag, true).first().remove();\n                }\n            } else {\n                drag.data('originX', target.data('originX')).data('originY', target.data('originY'));\n                thisQ.handleElementScale(drag, 'left top');\n            }\n            if (typeof drag.data('isfocus') !== 'undefined' && drag.data('isfocus') === true) {\n                drag.focus();\n                drag.removeData('isfocus');\n            }\n            if (typeof target.data('isfocus') !== 'undefined' && target.data('isfocus') === true) {\n                target.removeData('isfocus');\n            }\n            if (questionManager.isKeyboardNavigation) {\n                questionManager.isKeyboardNavigation = false;\n            }\n        },\n\n        /**\n         * Given an event, work out which question it effects.\n         * @param {Event} e the event.\n         * @returns {DragDropOntoImageQuestion|undefined} The question, or undefined.\n         */\n        getQuestionForEvent: function(e) {\n            var containerId = $(e.currentTarget).closest('.que.ddimageortext').attr('id');\n            return questionManager.questions[containerId];\n        }\n    };\n\n    /**\n     * @alias module:qtype_ddimageortext/question\n     */\n    return {\n        /**\n         * Initialise one drag-drop onto image question.\n         *\n         * @param {String} containerId id of the outer div for this question.\n         * @param {boolean} readOnly whether the question is being displayed read-only.\n         * @param {Array} Information about the drop places.\n         */\n        init: questionManager.init\n    };\n});\n"],"file":"question.min.js"}
\ No newline at end of file
+{"version":3,"file":"question.min.js","sources":["../src/question.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/*\n * JavaScript to allow dragging options to slots (using mouse down or touch) or tab through slots using keyboard.\n *\n * @module     qtype_ddimageortext/question\n * @package    qtype_ddimageortext\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/dragdrop', 'core/key_codes'], function($, dragDrop, keys) {\n\n    \"use strict\";\n\n    /**\n     * Initialise one drag-drop onto image question.\n     *\n     * @param {String} containerId id of the outer div for this question.\n     * @param {boolean} readOnly whether the question is being displayed read-only.\n     * @param {Array} places Information about the drop places.\n     * @constructor\n     */\n    function DragDropOntoImageQuestion(containerId, readOnly, places) {\n        this.containerId = containerId;\n        M.util.js_pending('qtype_ddimageortext-init-' + this.containerId);\n        this.places = places;\n        this.allImagesLoaded = false;\n        this.imageLoadingTimeoutId = null;\n        this.isPrinting = false;\n        if (readOnly) {\n            this.getRoot().addClass('qtype_ddimageortext-readonly');\n        }\n\n        var thisQ = this;\n        this.getNotYetLoadedImages().one('load', function() {\n            thisQ.waitForAllImagesToBeLoaded();\n        });\n        this.waitForAllImagesToBeLoaded();\n    }\n\n    /**\n     * Waits until all images are loaded before calling setupQuestion().\n     *\n     * This function is called from the onLoad of each image, and also polls with\n     * a time-out, because image on-loads are allegedly unreliable.\n     */\n    DragDropOntoImageQuestion.prototype.waitForAllImagesToBeLoaded = function() {\n        var thisQ = this;\n\n        // This method may get called multiple times (via image on-loads or timeouts.\n        // If we are already done, don't do it again.\n        if (this.allImagesLoaded) {\n            return;\n        }\n\n        // Clear any current timeout, if set.\n        if (this.imageLoadingTimeoutId !== null) {\n            clearTimeout(this.imageLoadingTimeoutId);\n        }\n\n        // If we have not yet loaded all images, set a timeout to\n        // call ourselves again, since apparently images on-load\n        // events are flakey.\n        if (this.getNotYetLoadedImages().length > 0) {\n            this.imageLoadingTimeoutId = setTimeout(function() {\n                thisQ.waitForAllImagesToBeLoaded();\n            }, 100);\n            return;\n        }\n\n        // We now have all images. Carry on, but only after giving the layout a chance to settle down.\n        this.allImagesLoaded = true;\n        thisQ.setupQuestion();\n    };\n\n    /**\n     * Get any of the images in the drag-drop area that are not yet fully loaded.\n     *\n     * @returns {jQuery} those images.\n     */\n    DragDropOntoImageQuestion.prototype.getNotYetLoadedImages = function() {\n        var thisQ = this;\n        return this.getRoot().find('.ddarea img').not(function(i, imgNode) {\n            return thisQ.imageIsLoaded(imgNode);\n        });\n    };\n\n    /**\n     * Check if an image has loaded without errors.\n     *\n     * @param {HTMLImageElement} imgElement an image.\n     * @returns {boolean} true if this image has loaded without errors.\n     */\n    DragDropOntoImageQuestion.prototype.imageIsLoaded = function(imgElement) {\n        return imgElement.complete && imgElement.naturalHeight !== 0;\n    };\n\n    /**\n     * Set up the question, once all images have been loaded.\n     */\n    DragDropOntoImageQuestion.prototype.setupQuestion = function() {\n        this.resizeAllDragsAndDrops();\n        this.cloneDrags();\n        this.positionDragsAndDrops();\n        M.util.js_complete('qtype_ddimageortext-init-' + this.containerId);\n    };\n\n    /**\n     * In each group, resize all the items to be the same size.\n     */\n    DragDropOntoImageQuestion.prototype.resizeAllDragsAndDrops = function() {\n        var thisQ = this;\n        this.getRoot().find('.draghomes > div').each(function(i, node) {\n            thisQ.resizeAllDragsAndDropsInGroup(\n                    thisQ.getClassnameNumericSuffix($(node), 'dragitemgroup'));\n        });\n    };\n\n    /**\n     * In a given group, set all the drags and drops to be the same size.\n     *\n     * @param {int} group the group number.\n     */\n    DragDropOntoImageQuestion.prototype.resizeAllDragsAndDropsInGroup = function(group) {\n        var root = this.getRoot(),\n            dragHomes = root.find('.dragitemgroup' + group + ' .draghome'),\n            maxWidth = 0,\n            maxHeight = 0;\n\n        // Find the maximum size of any drag in this groups.\n        dragHomes.each(function(i, drag) {\n            maxWidth = Math.max(maxWidth, Math.ceil(drag.offsetWidth));\n            maxHeight = Math.max(maxHeight, Math.ceil(drag.offsetHeight));\n        });\n\n        // The size we will want to set is a bit bigger than this.\n        maxWidth += 10;\n        maxHeight += 10;\n\n        // Set each drag home to that size.\n        dragHomes.each(function(i, drag) {\n            var left = Math.round((maxWidth - drag.offsetWidth) / 2),\n                top = Math.floor((maxHeight - drag.offsetHeight) / 2);\n            // Set top and left padding so the item is centred.\n            $(drag).css({\n                'padding-left': left + 'px',\n                'padding-right': (maxWidth - drag.offsetWidth - left) + 'px',\n                'padding-top': top + 'px',\n                'padding-bottom': (maxHeight - drag.offsetHeight - top) + 'px'\n            });\n        });\n\n        // Create the drops and make them the right size.\n        for (var i in this.places) {\n            if (!this.places.hasOwnProperty((i))) {\n                continue;\n            }\n            var place = this.places[i],\n                label = place.text;\n            if (parseInt(place.group) !== group) {\n                continue;\n            }\n            if (label === '') {\n                label = M.util.get_string('blank', 'qtype_ddimageortext');\n            }\n            root.find('.dropzones').append('<div class=\"dropzone active group' + place.group +\n                            ' place' + i + '\" tabindex=\"0\">' +\n                    '<span class=\"accesshide\">' + label + '</span>&nbsp;</div>');\n            root.find('.dropzone.place' + i).width(maxWidth - 2).height(maxHeight - 2);\n        }\n    };\n\n    /**\n     * Invisible 'drag homes' are output by the renderer. These have the same properties\n     * as the drag items but are invisible. We clone these invisible elements to make the\n     * actual drag items.\n     */\n    DragDropOntoImageQuestion.prototype.cloneDrags = function() {\n        var thisQ = this;\n        thisQ.getRoot().find('.draghome').each(function(index, dragHome) {\n            var drag = $(dragHome);\n            var placeHolder = drag.clone();\n            placeHolder.removeClass();\n            placeHolder.addClass('draghome choice' +\n                thisQ.getChoice(drag) + ' group' +\n                thisQ.getGroup(drag) + ' dragplaceholder');\n            drag.before(placeHolder);\n        });\n    };\n\n    /**\n     * Clone drag item for one choice.\n     *\n     * @param {jQuery} dragHome the drag home to clone.\n     */\n    DragDropOntoImageQuestion.prototype.cloneDragsForOneChoice = function(dragHome) {\n        if (dragHome.hasClass('infinite')) {\n            var noOfDrags = this.noOfDropsInGroup(this.getGroup(dragHome));\n            for (var i = 0; i < noOfDrags; i++) {\n                this.cloneDrag(dragHome);\n            }\n        } else {\n            this.cloneDrag(dragHome);\n        }\n    };\n\n    /**\n     * Clone drag item.\n     *\n     * @param {jQuery} dragHome\n     */\n    DragDropOntoImageQuestion.prototype.cloneDrag = function(dragHome) {\n        var drag = dragHome.clone();\n        drag.removeClass('draghome')\n            .addClass('drag unplaced moodle-has-zindex')\n            .offset(dragHome.offset());\n        this.getRoot().find('.dragitems').append(drag);\n    };\n\n    /**\n     * Update the position of drags.\n     */\n    DragDropOntoImageQuestion.prototype.positionDragsAndDrops = function() {\n        var thisQ = this,\n            root = this.getRoot(),\n            bgRatio = this.bgRatio();\n\n        // Move the drops into position.\n        root.find('.ddarea .dropzone').each(function(i, dropNode) {\n            var drop = $(dropNode),\n                place = thisQ.places[thisQ.getPlace(drop)];\n            // The xy values come from PHP as strings, so we need parseInt to stop JS doing string concatenation.\n            drop.css('left', parseInt(place.xy[0]) * bgRatio)\n                .css('top', parseInt(place.xy[1]) * bgRatio);\n            drop.data('originX', parseInt(place.xy[0]))\n                .data('originY', parseInt(place.xy[1]));\n            thisQ.handleElementScale(drop, 'left top');\n        });\n\n        // First move all items back home.\n        root.find('.draghome').not('.dragplaceholder').each(function(i, dragNode) {\n            var drag = $(dragNode),\n                currentPlace = thisQ.getClassnameNumericSuffix(drag, 'inplace');\n            drag.addClass('unplaced')\n                .removeClass('placed');\n            drag.removeAttr('tabindex');\n            if (currentPlace !== null) {\n                drag.removeClass('inplace' + currentPlace);\n            }\n        });\n\n        // Then place the ones that should be placed.\n        root.find('input.placeinput').each(function(i, inputNode) {\n            var input = $(inputNode),\n                choice = input.val();\n            if (choice.length === 0 || (choice.length > 0 && choice === '0')) {\n                // No item in this place.\n                return;\n            }\n\n            var place = thisQ.getPlace(input);\n            // Get the unplaced drag.\n            var unplacedDrag = thisQ.getUnplacedChoice(thisQ.getGroup(input), choice);\n            // Get the clone of the drag.\n            var hiddenDrag = thisQ.getDragClone(unplacedDrag);\n            if (hiddenDrag.length) {\n                if (unplacedDrag.hasClass('infinite')) {\n                    var noOfDrags = thisQ.noOfDropsInGroup(thisQ.getGroup(unplacedDrag));\n                    var cloneDrags = thisQ.getInfiniteDragClones(unplacedDrag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = unplacedDrag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        cloneDrag.removeAttr('tabindex');\n                        hiddenDrag.after(cloneDrag);\n                    } else {\n                        hiddenDrag.addClass('active');\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                }\n            }\n\n            // Send the drag to drop.\n            var drop = root.find('.dropzone.place' + place);\n            thisQ.sendDragToDrop(unplacedDrag, drop);\n        });\n    };\n\n    /**\n     * Handles the start of dragging an item.\n     *\n     * @param {Event} e the touch start or mouse down event.\n     */\n    DragDropOntoImageQuestion.prototype.handleDragStart = function(e) {\n        var thisQ = this,\n            drag = $(e.target).closest('.draghome'),\n            currentIndex = this.calculateZIndex(),\n            newIndex = currentIndex + 2;\n\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        drag.addClass('beingdragged').css('transform', '').css('z-index', newIndex);\n        var currentPlace = this.getClassnameNumericSuffix(drag, 'inplace');\n        if (currentPlace !== null) {\n            this.setInputValue(currentPlace, 0);\n            drag.removeClass('inplace' + currentPlace);\n            var hiddenDrop = thisQ.getDrop(drag, currentPlace);\n            if (hiddenDrop.length) {\n                hiddenDrop.addClass('active');\n                drag.offset(hiddenDrop.offset());\n            }\n        } else {\n            var hiddenDrag = thisQ.getDragClone(drag);\n            if (hiddenDrag.length) {\n                if (drag.hasClass('infinite')) {\n                    var noOfDrags = this.noOfDropsInGroup(thisQ.getGroup(drag));\n                    var cloneDrags = this.getInfiniteDragClones(drag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = drag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        cloneDrag.removeAttr('tabindex');\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                        drag.offset(cloneDrag.offset());\n                    } else {\n                        hiddenDrag.addClass('active');\n                        drag.offset(hiddenDrag.offset());\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                    drag.offset(hiddenDrag.offset());\n                }\n            }\n        }\n\n        dragDrop.start(e, drag, function(x, y, drag) {\n            thisQ.dragMove(x, y, drag);\n        }, function(x, y, drag) {\n            thisQ.dragEnd(x, y, drag);\n        });\n    };\n\n    /**\n     * Called whenever the currently dragged items moves.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropOntoImageQuestion.prototype.dragMove = function(pageX, pageY, drag) {\n        var thisQ = this,\n            highlighted = false;\n        this.getRoot().find('.dropzone.group' + this.getGroup(drag)).each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (thisQ.isPointInDrop(pageX, pageY, drop) && !highlighted) {\n                highlighted = true;\n                drop.addClass('valid-drag-over-drop');\n            } else {\n                drop.removeClass('valid-drag-over-drop');\n            }\n        });\n        this.getRoot().find('.draghome.placed.group' + this.getGroup(drag)).not('.beingdragged').each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (thisQ.isPointInDrop(pageX, pageY, drop) && !highlighted && !thisQ.isDragSameAsDrop(drag, drop)) {\n                highlighted = true;\n                drop.addClass('valid-drag-over-drop');\n            } else {\n                drop.removeClass('valid-drag-over-drop');\n            }\n        });\n    };\n\n    /**\n     * Called when user drops a drag item.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropOntoImageQuestion.prototype.dragEnd = function(pageX, pageY, drag) {\n        var thisQ = this,\n            root = this.getRoot(),\n            placed = false;\n\n        // Looking for drag that was dropped on a dropzone.\n        root.find('.dropzone.group' + this.getGroup(drag)).each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (!thisQ.isPointInDrop(pageX, pageY, drop)) {\n                // Not this drop.\n                return true;\n            }\n\n            // Now put this drag into the drop.\n            drop.removeClass('valid-drag-over-drop');\n            thisQ.sendDragToDrop(drag, drop);\n            placed = true;\n            return false; // Stop the each() here.\n        });\n\n        if (!placed) {\n            // Looking for drag that was dropped on a placed drag.\n            root.find('.draghome.placed.group' + this.getGroup(drag)).not('.beingdragged').each(function(i, placedNode) {\n                var placedDrag = $(placedNode);\n                if (!thisQ.isPointInDrop(pageX, pageY, placedDrag) || thisQ.isDragSameAsDrop(drag, placedDrag)) {\n                    // Not this placed drag.\n                    return true;\n                }\n\n                // Now put this drag into the drop.\n                placedDrag.removeClass('valid-drag-over-drop');\n                var currentPlace = thisQ.getClassnameNumericSuffix(placedDrag, 'inplace');\n                var drop = thisQ.getDrop(drag, currentPlace);\n                thisQ.sendDragToDrop(drag, drop);\n                placed = true;\n                return false; // Stop the each() here.\n            });\n        }\n\n        if (!placed) {\n            this.sendDragHome(drag);\n        }\n    };\n\n    /**\n     * Animate a drag item into a given place (or back home).\n     *\n     * @param {jQuery|null} drag the item to place. If null, clear the place.\n     * @param {jQuery} drop the place to put it.\n     */\n    DragDropOntoImageQuestion.prototype.sendDragToDrop = function(drag, drop) {\n        // Is there already a drag in this drop? if so, evict it.\n        var oldDrag = this.getCurrentDragInPlace(this.getPlace(drop));\n        if (oldDrag.length !== 0) {\n            oldDrag.addClass('beingdragged');\n            oldDrag.offset(oldDrag.offset());\n            var currentPlace = this.getClassnameNumericSuffix(oldDrag, 'inplace');\n            var hiddenDrop = this.getDrop(oldDrag, currentPlace);\n            hiddenDrop.addClass('active');\n            this.sendDragHome(oldDrag);\n        }\n\n        if (drag.length === 0) {\n            this.setInputValue(this.getPlace(drop), 0);\n            if (drop.data('isfocus')) {\n                drop.focus();\n            }\n        } else {\n            this.setInputValue(this.getPlace(drop), this.getChoice(drag));\n            drag.removeClass('unplaced')\n                .addClass('placed inplace' + this.getPlace(drop));\n            drag.attr('tabindex', 0);\n            this.animateTo(drag, drop);\n        }\n    };\n\n    /**\n     * Animate a drag back to its home.\n     *\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropOntoImageQuestion.prototype.sendDragHome = function(drag) {\n        var currentPlace = this.getClassnameNumericSuffix(drag, 'inplace');\n        if (currentPlace !== null) {\n            drag.removeClass('inplace' + currentPlace);\n        }\n        drag.data('unplaced', true);\n\n        this.animateTo(drag, this.getDragHome(this.getGroup(drag), this.getChoice(drag)));\n    };\n\n    /**\n     * Handles keyboard events on drops.\n     *\n     * Drops are focusable. Once focused, right/down/space switches to the next choice, and\n     * left/up switches to the previous. Escape clear.\n     *\n     * @param {KeyboardEvent} e\n     */\n    DragDropOntoImageQuestion.prototype.handleKeyPress = function(e) {\n        var drop = $(e.target).closest('.dropzone');\n        if (drop.length === 0) {\n            var placedDrag = $(e.target);\n            var currentPlace = this.getClassnameNumericSuffix(placedDrag, 'inplace');\n            if (currentPlace !== null) {\n                drop = this.getDrop(placedDrag, currentPlace);\n            }\n        }\n        var currentDrag = this.getCurrentDragInPlace(this.getPlace(drop)),\n            nextDrag = $();\n\n        switch (e.keyCode) {\n            case keys.space:\n            case keys.arrowRight:\n            case keys.arrowDown:\n                nextDrag = this.getNextDrag(this.getGroup(drop), currentDrag);\n                break;\n\n            case keys.arrowLeft:\n            case keys.arrowUp:\n                nextDrag = this.getPreviousDrag(this.getGroup(drop), currentDrag);\n                break;\n\n            case keys.escape:\n                questionManager.isKeyboardNavigation = false;\n                break;\n\n            default:\n                questionManager.isKeyboardNavigation = false;\n                return; // To avoid the preventDefault below.\n        }\n\n        if (nextDrag.length) {\n            nextDrag.data('isfocus', true);\n            nextDrag.addClass('beingdragged');\n            var hiddenDrag = this.getDragClone(nextDrag);\n            if (hiddenDrag.length) {\n                if (nextDrag.hasClass('infinite')) {\n                    var noOfDrags = this.noOfDropsInGroup(this.getGroup(nextDrag));\n                    var cloneDrags = this.getInfiniteDragClones(nextDrag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = nextDrag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        cloneDrag.removeAttr('tabindex');\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                        nextDrag.offset(cloneDrag.offset());\n                    } else {\n                        hiddenDrag.addClass('active');\n                        nextDrag.offset(hiddenDrag.offset());\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                    nextDrag.offset(hiddenDrag.offset());\n                }\n            }\n        } else {\n            drop.data('isfocus', true);\n        }\n\n        e.preventDefault();\n        this.sendDragToDrop(nextDrag, drop);\n    };\n\n    /**\n     * Choose the next drag in a group.\n     *\n     * @param {int} group which group.\n     * @param {jQuery} drag current choice (empty jQuery if there isn't one).\n     * @return {jQuery} the next drag in that group, or null if there wasn't one.\n     */\n    DragDropOntoImageQuestion.prototype.getNextDrag = function(group, drag) {\n        var choice,\n            numChoices = this.noOfChoicesInGroup(group);\n\n        if (drag.length === 0) {\n            choice = 1; // Was empty, so we want to select the first choice.\n        } else {\n            choice = this.getChoice(drag) + 1;\n        }\n\n        var next = this.getUnplacedChoice(group, choice);\n        while (next.length === 0 && choice < numChoices) {\n            choice++;\n            next = this.getUnplacedChoice(group, choice);\n        }\n\n        return next;\n    };\n\n    /**\n     * Choose the previous drag in a group.\n     *\n     * @param {int} group which group.\n     * @param {jQuery} drag current choice (empty jQuery if there isn't one).\n     * @return {jQuery} the next drag in that group, or null if there wasn't one.\n     */\n    DragDropOntoImageQuestion.prototype.getPreviousDrag = function(group, drag) {\n        var choice;\n\n        if (drag.length === 0) {\n            choice = this.noOfChoicesInGroup(group);\n        } else {\n            choice = this.getChoice(drag) - 1;\n        }\n\n        var previous = this.getUnplacedChoice(group, choice);\n        while (previous.length === 0 && choice > 1) {\n            choice--;\n            previous = this.getUnplacedChoice(group, choice);\n        }\n\n        // Does this choice exist?\n        return previous;\n    };\n\n    /**\n     * Animate an object to the given destination.\n     *\n     * @param {jQuery} drag the element to be animated.\n     * @param {jQuery} target element marking the place to move it to.\n     */\n    DragDropOntoImageQuestion.prototype.animateTo = function(drag, target) {\n        var currentPos = drag.offset(),\n            targetPos = target.offset(),\n            thisQ = this;\n\n        M.util.js_pending('qtype_ddimageortext-animate-' + thisQ.containerId);\n        // Animate works in terms of CSS position, whereas locating an object\n        // on the page works best with jQuery offset() function. So, to get\n        // the right target position, we work out the required change in\n        // offset() and then add that to the current CSS position.\n        drag.animate(\n            {\n                left: parseInt(drag.css('left')) + targetPos.left - currentPos.left,\n                top: parseInt(drag.css('top')) + targetPos.top - currentPos.top\n            },\n            {\n                duration: 'fast',\n                done: function() {\n                    $('body').trigger('qtype_ddimageortext-dragmoved', [drag, target, thisQ]);\n                    M.util.js_complete('qtype_ddimageortext-animate-' + thisQ.containerId);\n                }\n            }\n        );\n    };\n\n    /**\n     * Detect if a point is inside a given DOM node.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drop the node to check (typically a drop).\n     * @return {boolean} whether the point is inside the node.\n     */\n    DragDropOntoImageQuestion.prototype.isPointInDrop = function(pageX, pageY, drop) {\n        var position = drop.offset();\n        if (drop.hasClass('draghome')) {\n            return pageX >= position.left && pageX < position.left + drop.outerWidth()\n                && pageY >= position.top && pageY < position.top + drop.outerHeight();\n        }\n        return pageX >= position.left && pageX < position.left + drop.width()\n            && pageY >= position.top && pageY < position.top + drop.height();\n    };\n\n    /**\n     * Set the value of the hidden input for a place, to record what is currently there.\n     *\n     * @param {int} place which place to set the input value for.\n     * @param {int} choice the value to set.\n     */\n    DragDropOntoImageQuestion.prototype.setInputValue = function(place, choice) {\n        this.getRoot().find('input.placeinput.place' + place).val(choice);\n    };\n\n    /**\n     * Get the outer div for this question.\n     *\n     * @returns {jQuery} containing that div.\n     */\n    DragDropOntoImageQuestion.prototype.getRoot = function() {\n        return $(document.getElementById(this.containerId));\n    };\n\n    /**\n     * Get the img that is the background image.\n     * @returns {jQuery} containing that img.\n     */\n    DragDropOntoImageQuestion.prototype.bgImage = function() {\n        return this.getRoot().find('img.dropbackground');\n    };\n\n    /**\n     * Get drag home for a given choice.\n     *\n     * @param {int} group the group.\n     * @param {int} choice the choice number.\n     * @returns {jQuery} containing that div.\n     */\n    DragDropOntoImageQuestion.prototype.getDragHome = function(group, choice) {\n        if (!this.getRoot().find('.draghome.dragplaceholder.group' + group + '.choice' + choice).is(':visible')) {\n            return this.getRoot().find('.dragitemgroup' + group +\n                ' .draghome.infinite' +\n                '.choice' + choice +\n                '.group' + group);\n        }\n        return this.getRoot().find('.draghome.dragplaceholder.group' + group + '.choice' + choice);\n    };\n\n    /**\n     * Get an unplaced choice for a particular group.\n     *\n     * @param {int} group the group.\n     * @param {int} choice the choice number.\n     * @returns {jQuery} jQuery wrapping the unplaced choice. If there isn't one, the jQuery will be empty.\n     */\n    DragDropOntoImageQuestion.prototype.getUnplacedChoice = function(group, choice) {\n        return this.getRoot().find('.ddarea .draghome.group' + group + '.choice' + choice + '.unplaced').slice(0, 1);\n    };\n\n    /**\n     * Get the drag that is currently in a given place.\n     *\n     * @param {int} place the place number.\n     * @return {jQuery} the current drag (or an empty jQuery if none).\n     */\n    DragDropOntoImageQuestion.prototype.getCurrentDragInPlace = function(place) {\n        return this.getRoot().find('.ddarea .draghome.inplace' + place);\n    };\n\n    /**\n     * Return the number of blanks in a given group.\n     *\n     * @param {int} group the group number.\n     * @returns {int} the number of drops.\n     */\n    DragDropOntoImageQuestion.prototype.noOfDropsInGroup = function(group) {\n        return this.getRoot().find('.dropzone.group' + group).length;\n    };\n\n    /**\n     * Return the number of choices in a given group.\n     *\n     * @param {int} group the group number.\n     * @returns {int} the number of choices.\n     */\n    DragDropOntoImageQuestion.prototype.noOfChoicesInGroup = function(group) {\n        return this.getRoot().find('.dragitemgroup' + group + ' .draghome').length;\n    };\n\n    /**\n     * Return the number at the end of the CSS class name with the given prefix.\n     *\n     * @param {jQuery} node\n     * @param {String} prefix name prefix\n     * @returns {Number|null} the suffix if found, else null.\n     */\n    DragDropOntoImageQuestion.prototype.getClassnameNumericSuffix = function(node, prefix) {\n        var classes = node.attr('class');\n        if (classes !== '') {\n            var classesArr = classes.split(' ');\n            for (var index = 0; index < classesArr.length; index++) {\n                var patt1 = new RegExp('^' + prefix + '([0-9])+$');\n                if (patt1.test(classesArr[index])) {\n                    var patt2 = new RegExp('([0-9])+$');\n                    var match = patt2.exec(classesArr[index]);\n                    return Number(match[0]);\n                }\n            }\n        }\n        return null;\n    };\n\n    /**\n     * Get the choice number of a drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {Number} the choice number.\n     */\n    DragDropOntoImageQuestion.prototype.getChoice = function(drag) {\n        return this.getClassnameNumericSuffix(drag, 'choice');\n    };\n\n    /**\n     * Given a DOM node that is significant to this question\n     * (drag, drop, ...) get the group it belongs to.\n     *\n     * @param {jQuery} node a DOM node.\n     * @returns {Number} the group it belongs to.\n     */\n    DragDropOntoImageQuestion.prototype.getGroup = function(node) {\n        return this.getClassnameNumericSuffix(node, 'group');\n    };\n\n    /**\n     * Get the place number of a drop, or its corresponding hidden input.\n     *\n     * @param {jQuery} node the DOM node.\n     * @returns {Number} the place number.\n     */\n    DragDropOntoImageQuestion.prototype.getPlace = function(node) {\n        return this.getClassnameNumericSuffix(node, 'place');\n    };\n\n    /**\n     * Get drag clone for a given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {jQuery} the drag's clone.\n     */\n    DragDropOntoImageQuestion.prototype.getDragClone = function(drag) {\n        return this.getRoot().find('.dragitemgroup' +\n            this.getGroup(drag) +\n            ' .draghome' +\n            '.choice' + this.getChoice(drag) +\n            '.group' + this.getGroup(drag) +\n            '.dragplaceholder');\n    };\n\n    /**\n     * Get infinite drag clones for given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Boolean} inHome in the home area or not.\n     * @returns {jQuery} the drag's clones.\n     */\n    DragDropOntoImageQuestion.prototype.getInfiniteDragClones = function(drag, inHome) {\n        if (inHome) {\n            return this.getRoot().find('.dragitemgroup' +\n                this.getGroup(drag) +\n                ' .draghome' +\n                '.choice' + this.getChoice(drag) +\n                '.group' + this.getGroup(drag) +\n                '.infinite').not('.dragplaceholder');\n        }\n        return this.getRoot().find('.draghome' +\n            '.choice' + this.getChoice(drag) +\n            '.group' + this.getGroup(drag) +\n            '.infinite').not('.dragplaceholder');\n    };\n\n    /**\n     * Get drop for a given drag and place.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Integer} currentPlace the current place of drag.\n     * @returns {jQuery} the drop's clone.\n     */\n    DragDropOntoImageQuestion.prototype.getDrop = function(drag, currentPlace) {\n        return this.getRoot().find('.dropzone.group' + this.getGroup(drag) + '.place' + currentPlace);\n    };\n\n    /**\n     * Handle when the window is resized.\n     */\n    DragDropOntoImageQuestion.prototype.handleResize = function() {\n        var thisQ = this,\n            bgRatio = this.bgRatio();\n        if (this.isPrinting) {\n            bgRatio = 1;\n        }\n\n        this.getRoot().find('.ddarea .dropzone').each(function(i, dropNode) {\n            $(dropNode)\n                .css('left', parseInt($(dropNode).data('originX')) * parseFloat(bgRatio))\n                .css('top', parseInt($(dropNode).data('originY')) * parseFloat(bgRatio));\n            thisQ.handleElementScale(dropNode, 'left top');\n        });\n\n        this.getRoot().find('div.droparea .draghome').not('.beingdragged').each(function(key, drag) {\n            $(drag)\n                .css('left', parseFloat($(drag).data('originX')) * parseFloat(bgRatio))\n                .css('top', parseFloat($(drag).data('originY')) * parseFloat(bgRatio));\n            thisQ.handleElementScale(drag, 'left top');\n        });\n    };\n\n    /**\n     * Return the background ratio.\n     *\n     * @returns {number} Background ratio.\n     */\n    DragDropOntoImageQuestion.prototype.bgRatio = function() {\n        var bgImg = this.bgImage();\n        var bgImgNaturalWidth = bgImg.get(0).naturalWidth;\n        var bgImgClientWidth = bgImg.width();\n\n        return bgImgClientWidth / bgImgNaturalWidth;\n    };\n\n    /**\n     * Scale the drag if needed.\n     *\n     * @param {jQuery} element the item to place.\n     * @param {String} type scaling type\n     */\n    DragDropOntoImageQuestion.prototype.handleElementScale = function(element, type) {\n        var bgRatio = parseFloat(this.bgRatio());\n        if (this.isPrinting) {\n            bgRatio = 1;\n        }\n        $(element).css({\n            '-webkit-transform': 'scale(' + bgRatio + ')',\n            '-moz-transform': 'scale(' + bgRatio + ')',\n            '-ms-transform': 'scale(' + bgRatio + ')',\n            '-o-transform': 'scale(' + bgRatio + ')',\n            'transform': 'scale(' + bgRatio + ')',\n            'transform-origin': type\n        });\n    };\n\n    /**\n     * Calculate z-index value.\n     *\n     * @returns {number} z-index value\n     */\n    DragDropOntoImageQuestion.prototype.calculateZIndex = function() {\n        var zIndex = 0;\n        this.getRoot().find('.ddarea .dropzone, div.droparea .draghome').each(function(i, dropNode) {\n            dropNode = $(dropNode);\n            // Note that webkit browsers won't return the z-index value from the CSS stylesheet\n            // if the element doesn't have a position specified. Instead it'll return \"auto\".\n            var itemZIndex = dropNode.css('z-index') ? parseInt(dropNode.css('z-index')) : 0;\n\n            if (itemZIndex > zIndex) {\n                zIndex = itemZIndex;\n            }\n        });\n\n        return zIndex;\n    };\n\n    /**\n     * Check that the drag is drop to it's clone.\n     *\n     * @param {jQuery} drag The drag.\n     * @param {jQuery} drop The drop.\n     * @returns {boolean}\n     */\n    DragDropOntoImageQuestion.prototype.isDragSameAsDrop = function(drag, drop) {\n        return this.getChoice(drag) === this.getChoice(drop) && this.getGroup(drag) === this.getGroup(drop);\n    };\n\n    /**\n     * Singleton object that handles all the DragDropOntoImageQuestions\n     * on the page, and deals with event dispatching.\n     * @type {Object}\n     */\n    var questionManager = {\n\n        /**\n         * {boolean} ensures that the event handlers are only initialised once per page.\n         */\n        eventHandlersInitialised: false,\n\n        /**\n         * {boolean} is printing or not.\n         */\n        isPrinting: false,\n\n        /**\n         * {boolean} is keyboard navigation or not.\n         */\n        isKeyboardNavigation: false,\n\n        /**\n         * {Object} all the questions on this page, indexed by containerId (id on the .que div).\n         */\n        questions: {}, // An object containing all the information about each question on the page.\n\n        /**\n         * Initialise one question.\n         *\n         * @param {String} containerId the id of the div.que that contains this question.\n         * @param {boolean} readOnly whether the question is read-only.\n         * @param {Array} places data.\n         */\n        init: function(containerId, readOnly, places) {\n            questionManager.questions[containerId] =\n                new DragDropOntoImageQuestion(containerId, readOnly, places);\n            if (!questionManager.eventHandlersInitialised) {\n                questionManager.setupEventHandlers();\n                questionManager.eventHandlersInitialised = true;\n            }\n        },\n\n        /**\n         * Set up the event handlers that make this question type work. 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We want 100 ms gap\n            // between executions, not what setInterval does.\n            setTimeout(function() {\n                questionManager.fixLayoutIfThingsMoved(questionManager.isPrinting);\n            }, 100);\n        },\n\n        /**\n         * Handle when drag moved.\n         *\n         * @param {Event} e the event.\n         * @param {jQuery} drag the drag\n         * @param {jQuery} target the target\n         * @param {DragDropOntoImageQuestion} thisQ the question.\n         */\n        handleDragMoved: function(e, drag, target, thisQ) {\n            drag.removeClass('beingdragged').css('z-index', '');\n            drag.css('top', target.position().top).css('left', target.position().left);\n            target.after(drag);\n            target.removeClass('active');\n            if (typeof drag.data('unplaced') !== 'undefined' && drag.data('unplaced') === true) {\n                drag.removeClass('placed').addClass('unplaced');\n                drag.removeAttr('tabindex');\n                drag.removeData('unplaced');\n                drag.css('top', '')\n                    .css('left', '')\n                    .css('transform', '');\n                if (drag.hasClass('infinite') && thisQ.getInfiniteDragClones(drag, true).length > 1) {\n                    thisQ.getInfiniteDragClones(drag, true).first().remove();\n                }\n            } else {\n                drag.data('originX', target.data('originX')).data('originY', target.data('originY'));\n                thisQ.handleElementScale(drag, 'left top');\n            }\n            if (typeof drag.data('isfocus') !== 'undefined' && drag.data('isfocus') === true) {\n                drag.focus();\n                drag.removeData('isfocus');\n            }\n            if (typeof target.data('isfocus') !== 'undefined' && target.data('isfocus') === true) {\n                target.removeData('isfocus');\n            }\n            if 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\ No newline at end of file
diff --git a/question/type/ddmarker/amd/build/form.min.js b/question/type/ddmarker/amd/build/form.min.js
index edf140299d9..c4635185e1d 100644
--- a/question/type/ddmarker/amd/build/form.min.js
+++ b/question/type/ddmarker/amd/build/form.min.js
@@ -1,2 +1,11 @@
-define ("qtype_ddmarker/form",["jquery","core/dragdrop","qtype_ddmarker/shapes"],function(a,b,c){"use strict";function d(a){this.dropzoneNo=a;this.svgEl=null;this.shape=c.make(this.getShapeType(),this.getLabel());this.updateCoordinatesFromForm()}d.prototype.updateCoordinatesFromForm=function(a){var b=this.getCoordinates(),c="polygon"===this.shape.getType()&&this.shape.points.length;if(this.shape.getCoordinates()===b){return}if(!this.shape.parse(b,1)){return}if("polygon"===this.shape.getType()&&c!==this.shape.points.length){var d=this.isActive();this.removeFromSvg();if(a){this.addToSvg(a);if(d){this.setActive()}}}else{this.updateSvgEl()}this.setCoordinatesInForm()};d.prototype.updateLabel=function(){var a=this.getLabel();if(this.shape.label!==a){this.shape.label=a;this.updateSvgEl()}};d.prototype.changeShape=function(a){var b=this.getShapeType(),d=this.isActive();if(b===this.shape.getType()){return}this.removeFromSvg();this.shape=c.getSimilar(b,this.shape);if(a){this.addToSvg(a);if(d){this.setActive()}}this.setCoordinatesInForm()};d.prototype.addToSvg=function(a){if(null!==this.svgEl){throw new Error("this.svgEl already set")}this.svgEl=this.shape.makeSvg(a);if(!this.svgEl){return}this.svgEl.setAttribute("class","dropzone");this.svgEl.setAttribute("data-dropzone-no",this.dropzoneNo);var b=this.shape.getHandlePositions();if(null===b){return}var d=c.createSvgElement(this.svgEl,"circle");d.setAttribute("cx",b.moveHandle.x);d.setAttribute("cy",b.moveHandle.y);d.setAttribute("r",7);d.setAttribute("class","handle move");for(var e=0;e<b.editHandles.length;++e){this.makeEditHandle(e,b.editHandles[e])}};d.prototype.makeEditHandle=function(a,b){var d=c.createSvgElement(this.svgEl,"rect");d.setAttribute("x",b.x-6);d.setAttribute("y",b.y-6);d.setAttribute("width",11);d.setAttribute("height",11);d.setAttribute("class","handle edit");d.setAttribute("data-edit-handle-no",a)};d.prototype.removeFromSvg=function(){if(null!==this.svgEl){this.svgEl.parentNode.removeChild(this.svgEl);this.svgEl=null}};d.prototype.updateSvgEl=function(){if(null===this.svgEl){return}this.shape.updateSvg(this.svgEl);var a=this.shape.getHandlePositions();if(null===a){return}this.svgEl.childNodes[2].setAttribute("cx",a.moveHandle.x);this.svgEl.childNodes[2].setAttribute("cy",a.moveHandle.y);for(var b=0;b<a.editHandles.length;++b){this.svgEl.childNodes[3+b].setAttribute("x",a.editHandles[b].x-6);this.svgEl.childNodes[3+b].setAttribute("y",a.editHandles[b].y-6)}};d.prototype.isActive=function(){return null!==this.svgEl&&this.svgEl.getAttribute("class").match(/\bactive\b/)};d.prototype.setActive=function(){var a=this.svgEl.parentNode;a.removeChild(this.svgEl);a.appendChild(this.svgEl);this.svgEl.setAttribute("class",this.svgEl.getAttribute("class")+" active")};d.prototype.setCoordinatesInForm=function(){f.form.setFormValue("drops",[this.dropzoneNo,"coords"],this.shape.getCoordinates())};d.prototype.getCoordinates=function(){return f.form.getFormValue("drops",[this.dropzoneNo,"coords"]).replace(/\s*/g,"")};d.prototype.getChoiceNo=function(){return f.form.getFormValue("drops",[this.dropzoneNo,"choice"])};d.prototype.getLabel=function(){return f.form.getMarkerText(this.getChoiceNo())};d.prototype.getShapeType=function(){return f.form.getFormValue("drops",[this.dropzoneNo,"shape"])};d.prototype.handleMove=function(c){var d=b.prepare(c);if(!d.start){return}var e=this,f=d.x,g=d.y,h=this.makeDragProxy(d.x,d.y),i=a("fieldset#id_previewareaheader .dropbackground"),j=i.width(),k=i.height();b.start(c,a(h),function(a,b){e.shape.move(a-f,b-g,j,k);f=a;g=b;e.updateSvgEl();e.setCoordinatesInForm()},function(){document.body.removeChild(h)})};d.prototype.handleEdit=function(c,d,e){var f=b.prepare(c);if(!f.start){return}if("polygon"===this.shape.getType()&&(c.ctrlKey||c.metaKey)){this.shape.addNewPointAfter(d);this.removeFromSvg();this.addToSvg(e);this.setActive()}var g=this,h=f.x,i=f.y,j=this.makeDragProxy(f.x,f.y),k=a("fieldset#id_previewareaheader .dropbackground"),l=k.width(),m=k.height();b.start(c,a(j),function(a,b){g.shape.edit(d,a-h,b-i,l,m);h=a;i=b;g.updateSvgEl();g.setCoordinatesInForm()},function(){document.body.removeChild(j);g.shape.normalizeShape();g.updateSvgEl();g.setCoordinatesInForm()})};d.prototype.makeDragProxy=function(a,b){var c=document.createElement("div");c.style.position="absolute";c.style.top=b+"px";c.style.left=a+"px";c.style.width="1px";c.style.height="1px";document.body.appendChild(c);return c};var f={fp:null,noDropZones:null,dropZones:[],init:function init(){f.fp=f.filePickers();f.noDropZones=f.form.getFormValue("nodropzone",[]);f.setupPreviewArea();f.setOptionsForDragItemSelectors();f.createShapes();f.setupEventHandlers();f.waitForFilePickerToInitialise()},setupPreviewArea:function setupPreviewArea(){a("fieldset#id_previewareaheader div.fcontainer").append("<div class=\"ddarea que ddmarker\">   <div id=\"ddm-droparea\" class=\"droparea\">       <img class=\"dropbackground\" />       <div id=\"ddm-dropzone\" class=\"dropzones\">       </div>   </div></div>")},setOptionsForDragItemSelectors:function setOptionsForDragItemSelectors(){var b={0:""},c=f.form.getFormValue("noitems",[]),d=[],e,g,h;for(g=1;g<=c;g++){h=f.form.getMarkerText(g);if(""!==h){b[g]=a("<div/>").text(h).html()}}for(g=0;g<f.noDropZones;g++){e=a("#id_drops_"+g+"_choice");d[g]=+e.val()}for(g=0;g<f.noDropZones;g++){e=a("#id_drops_"+g+"_choice");e.find("option").remove();for(var j in b){j=+j;var l="<option value=\""+j+"\">"+b[j]+"</option>";e.append(l);var m=e.find("option[value=\""+j+"\"]");if(0===j){continue}if(j===d[g]){m.attr("selected",!0);continue}var n=f.form.getFormValue("drags",[j-1,"noofdrags"]);if(0===+n){continue}for(var o in d){if(+d[o]!==j){continue}if(1===+n){m.attr("disabled",!0);break}else{n--}}}if(0<f.dropZones.length){f.dropZones[g].updateLabel()}}},createShapes:function createShapes(){for(var a=0;a<f.noDropZones;a++){f.dropZones[a]=new d(a)}},setupEventHandlers:function setupEventHandlers(){a("fieldset#id_draggableitemheader").on("change input","input, select",function(){f.setOptionsForDragItemSelectors()});a("fieldset#id_dropzoneheader").on("change input","input, select",function(a){var b=a.currentTarget.name.match(/^drops\[(\d+)]\[([a-z]*)]$/);if(!b){return}var c=b[1],d=b[2],e=f.dropZones[c];switch(d){case"shape":e.changeShape(f.form.getSvg());break;case"coords":e.updateCoordinatesFromForm(f.form.getSvg());break;case"choice":e.updateLabel();break;}});var b=a("fieldset#id_previewareaheader");b.on("click","g.dropzone",function(b){var c=a(b.currentTarget).data("dropzone-no"),d=f.dropZones[c].isActive();a(f.form.getSvg()).find(".dropzone.active").removeClass("active");if(!d){f.dropZones[c].setActive()}});b.on("mousedown touchstart",".dropzone .handle.move",function(b){var c=a(b.currentTarget).closest("g").data("dropzoneNo");f.dropZones[c].handleMove(b)});b.on("mousedown touchstart",".dropzone .handle.edit",function(b){var c=a(b.currentTarget).closest("g").data("dropzoneNo"),d=b.currentTarget.getAttribute("data-edit-handle-no");f.dropZones[c].handleEdit(b,d,f.form.getSvg())})},waitForFilePickerToInitialise:function waitForFilePickerToInitialise(){if(null===f.fp.file("bgimage").href){setTimeout(f.waitForFilePickerToInitialise,1e3);return}a("form.mform").on("change","#id_bgimage",f.loadPreviewImage);f.loadPreviewImage()},loadPreviewImage:function loadPreviewImage(){a("fieldset#id_previewareaheader .dropbackground").one("load",f.afterPreviewImageLoaded).attr("src",f.fp.file("bgimage").href)},afterPreviewImageLoaded:function afterPreviewImageLoaded(){var b=a("fieldset#id_previewareaheader .dropbackground");a("#ddm-dropzone").css("position","relative").css("top",-1*(b.height()+1));a("#ddm-droparea").css("height",b.height()+20);f.updateSvgDisplay()},updateSvgDisplay:function updateSvgDisplay(){var b=a("fieldset#id_previewareaheader .dropbackground"),c;if(f.form.getSvg()){for(c=0;c<f.noDropZones;c++){f.dropZones[c].updateSvgEl()}}else{a("#ddm-dropzone").html("<svg xmlns=\"http://www.w3.org/2000/svg\" class=\"dropzones\" width=\""+b.outerWidth()+"\" height=\""+b.outerHeight()+"\"></svg>");for(c=0;c<f.noDropZones;c++){f.dropZones[c].addToSvg(f.form.getSvg())}}},form:{getMarkerText:function getMarkerText(a){if(0!==+a){var b=f.form.getFormValue("drags",[a-1,"label"]);return b.replace(/^\s*(.*)\s*$/,"$1")}else{return""}},getSvg:function getSvg(){var b=a("fieldset#id_previewareaheader svg");if(0===b.length){return null}else{return b[0]}},toNameWithIndex:function toNameWithIndex(a,b){for(var c=a,d=0;d<b.length;d++){c=c+"["+b[d]+"]"}return c},getEl:function getEl(b,c){var d=a("form.mform")[0];return d.elements[this.toNameWithIndex(b,c)]},getFormValue:function getFormValue(a,b){var c=this.getEl(a,b);if("checkbox"===c.type){return c.checked}else{return c.value}},setFormValue:function setFormValue(a,b,c){var d=this.getEl(a,b);if("checkbox"===d.type){d.checked=c}else{d.value=c}}},filePickers:function filePickers(){var b,c;if(b===void 0){b={};c={};a("form.mform input.filepickerhidden").each(function(a,d){b[d.value]=d.name;c[d.name]=d.parentNode})}return{file:function file(b){var d=a(c[b]).find("div.filepicker-filelist a");if(d.length){return{href:d.get(0).href,name:d.get(0).innerHTML}}else{return{href:null,name:null}}},name:function name(a){return b[a]}}}};return{init:f.init}});
-//# sourceMappingURL=form.min.js.map
+/**
+ * This class provides the enhancements to the drag-drop marker editing form.
+ *
+ * @package    qtype_ddmarker
+ * @subpackage form
+ * @copyright  2018 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("qtype_ddmarker/form",["jquery","core/dragdrop","qtype_ddmarker/shapes"],(function($,dragDrop,Shapes){function DropZoneManager(dropzoneNo){this.dropzoneNo=dropzoneNo,this.svgEl=null,this.shape=Shapes.make(this.getShapeType(),this.getLabel()),this.updateCoordinatesFromForm()}DropZoneManager.prototype.updateCoordinatesFromForm=function(svg){var coordinates=this.getCoordinates(),currentNumPoints="polygon"===this.shape.getType()&&this.shape.points.length;if(this.shape.getCoordinates()!==coordinates&&this.shape.parse(coordinates,1)){if("polygon"===this.shape.getType()&&currentNumPoints!==this.shape.points.length){var currentyActive=this.isActive();this.removeFromSvg(),svg&&(this.addToSvg(svg),currentyActive&&this.setActive())}else this.updateSvgEl();this.setCoordinatesInForm()}},DropZoneManager.prototype.updateLabel=function(){var label=this.getLabel();this.shape.label!==label&&(this.shape.label=label,this.updateSvgEl())},DropZoneManager.prototype.changeShape=function(svg){var newShapeType=this.getShapeType(),currentyActive=this.isActive();newShapeType!==this.shape.getType()&&(this.removeFromSvg(),this.shape=Shapes.getSimilar(newShapeType,this.shape),svg&&(this.addToSvg(svg),currentyActive&&this.setActive()),this.setCoordinatesInForm())},DropZoneManager.prototype.addToSvg=function(svg){if(null!==this.svgEl)throw new Error("this.svgEl already set");if(this.svgEl=this.shape.makeSvg(svg),this.svgEl){this.svgEl.setAttribute("class","dropzone"),this.svgEl.setAttribute("data-dropzone-no",this.dropzoneNo);var handles=this.shape.getHandlePositions();if(null!==handles){var moveHandle=Shapes.createSvgElement(this.svgEl,"circle");moveHandle.setAttribute("cx",handles.moveHandle.x),moveHandle.setAttribute("cy",handles.moveHandle.y),moveHandle.setAttribute("r",7),moveHandle.setAttribute("class","handle move");for(var i=0;i<handles.editHandles.length;++i)this.makeEditHandle(i,handles.editHandles[i])}}},DropZoneManager.prototype.makeEditHandle=function(index,point){var editHandle=Shapes.createSvgElement(this.svgEl,"rect");editHandle.setAttribute("x",point.x-6),editHandle.setAttribute("y",point.y-6),editHandle.setAttribute("width",11),editHandle.setAttribute("height",11),editHandle.setAttribute("class","handle edit"),editHandle.setAttribute("data-edit-handle-no",index)},DropZoneManager.prototype.removeFromSvg=function(){null!==this.svgEl&&(this.svgEl.parentNode.removeChild(this.svgEl),this.svgEl=null)},DropZoneManager.prototype.updateSvgEl=function(){if(null!==this.svgEl){this.shape.updateSvg(this.svgEl);var handles=this.shape.getHandlePositions();if(null!==handles){this.svgEl.childNodes[2].setAttribute("cx",handles.moveHandle.x),this.svgEl.childNodes[2].setAttribute("cy",handles.moveHandle.y);for(var i=0;i<handles.editHandles.length;++i)this.svgEl.childNodes[3+i].setAttribute("x",handles.editHandles[i].x-6),this.svgEl.childNodes[3+i].setAttribute("y",handles.editHandles[i].y-6)}}},DropZoneManager.prototype.isActive=function(){return null!==this.svgEl&&this.svgEl.getAttribute("class").match(/\bactive\b/)},DropZoneManager.prototype.setActive=function(){var parent=this.svgEl.parentNode;parent.removeChild(this.svgEl),parent.appendChild(this.svgEl),this.svgEl.setAttribute("class",this.svgEl.getAttribute("class")+" active")},DropZoneManager.prototype.setCoordinatesInForm=function(){dragDropForm.form.setFormValue("drops",[this.dropzoneNo,"coords"],this.shape.getCoordinates())},DropZoneManager.prototype.getCoordinates=function(){return dragDropForm.form.getFormValue("drops",[this.dropzoneNo,"coords"]).replace(/\s*/g,"")},DropZoneManager.prototype.getChoiceNo=function(){return dragDropForm.form.getFormValue("drops",[this.dropzoneNo,"choice"])},DropZoneManager.prototype.getLabel=function(){return dragDropForm.form.getMarkerText(this.getChoiceNo())},DropZoneManager.prototype.getShapeType=function(){return dragDropForm.form.getFormValue("drops",[this.dropzoneNo,"shape"])},DropZoneManager.prototype.handleMove=function(e){var info=dragDrop.prepare(e);if(info.start){var movingDropZone=this,lastX=info.x,lastY=info.y,dragProxy=this.makeDragProxy(info.x,info.y),bgImg=$("fieldset#id_previewareaheader .dropbackground"),maxX=bgImg.width(),maxY=bgImg.height();dragDrop.start(e,$(dragProxy),(function(pageX,pageY){movingDropZone.shape.move(pageX-lastX,pageY-lastY,maxX,maxY),lastX=pageX,lastY=pageY,movingDropZone.updateSvgEl(),movingDropZone.setCoordinatesInForm()}),(function(){document.body.removeChild(dragProxy)}))}},DropZoneManager.prototype.handleEdit=function(e,handleIndex,svg){var info=dragDrop.prepare(e);if(info.start){"polygon"===this.shape.getType()&&(e.ctrlKey||e.metaKey)&&(this.shape.addNewPointAfter(handleIndex),this.removeFromSvg(),this.addToSvg(svg),this.setActive());var changingDropZone=this,lastX=info.x,lastY=info.y,dragProxy=this.makeDragProxy(info.x,info.y),bgImg=$("fieldset#id_previewareaheader .dropbackground"),maxX=bgImg.width(),maxY=bgImg.height();dragDrop.start(e,$(dragProxy),(function(pageX,pageY){changingDropZone.shape.edit(handleIndex,pageX-lastX,pageY-lastY,maxX,maxY),lastX=pageX,lastY=pageY,changingDropZone.updateSvgEl(),changingDropZone.setCoordinatesInForm()}),(function(){document.body.removeChild(dragProxy),changingDropZone.shape.normalizeShape(),changingDropZone.updateSvgEl(),changingDropZone.setCoordinatesInForm()}))}},DropZoneManager.prototype.makeDragProxy=function(x,y){var dragProxy=document.createElement("div");return dragProxy.style.position="absolute",dragProxy.style.top=y+"px",dragProxy.style.left=x+"px",dragProxy.style.width="1px",dragProxy.style.height="1px",document.body.appendChild(dragProxy),dragProxy};var dragDropForm={fp:null,noDropZones:null,dropZones:[],init:function(){dragDropForm.fp=dragDropForm.filePickers(),dragDropForm.noDropZones=dragDropForm.form.getFormValue("nodropzone",[]),dragDropForm.setupPreviewArea(),dragDropForm.setOptionsForDragItemSelectors(),dragDropForm.createShapes(),dragDropForm.setupEventHandlers(),dragDropForm.waitForFilePickerToInitialise()},setupPreviewArea:function(){$("fieldset#id_previewareaheader div.fcontainer").append('<div class="ddarea que ddmarker">   <div id="ddm-droparea" class="droparea">       <img class="dropbackground" />       <div id="ddm-dropzone" class="dropzones">       </div>   </div></div>')},setOptionsForDragItemSelectors:function(){var selector,i,label,dragItemsOptions={0:""},noItems=dragDropForm.form.getFormValue("noitems",[]),selectedValues=[];for(i=1;i<=noItems;i++)""!==(label=dragDropForm.form.getMarkerText(i))&&(dragItemsOptions[i]=$("<div/>").text(label).html());for(i=0;i<dragDropForm.noDropZones;i++)selector=$("#id_drops_"+i+"_choice"),selectedValues[i]=Number(selector.val());for(i=0;i<dragDropForm.noDropZones;i++){for(var value in(selector=$("#id_drops_"+i+"_choice")).find("option").remove(),dragItemsOptions){var option='<option value="'+(value=Number(value))+'">'+dragItemsOptions[value]+"</option>";selector.append(option);var optionnode=selector.find('option[value="'+value+'"]');if(0!==value)if(value!==selectedValues[i]){var noofdrags=dragDropForm.form.getFormValue("drags",[value-1,"noofdrags"]);if(0!==Number(noofdrags))for(var k in selectedValues)if(Number(selectedValues[k])===value){if(1===Number(noofdrags)){optionnode.attr("disabled",!0);break}noofdrags--}}else optionnode.attr("selected",!0)}dragDropForm.dropZones.length>0&&dragDropForm.dropZones[i].updateLabel()}},createShapes:function(){for(var dropzoneNo=0;dropzoneNo<dragDropForm.noDropZones;dropzoneNo++)dragDropForm.dropZones[dropzoneNo]=new DropZoneManager(dropzoneNo)},setupEventHandlers:function(){$("fieldset#id_draggableitemheader").on("change input","input, select",(function(){dragDropForm.setOptionsForDragItemSelectors()})),$("fieldset#id_dropzoneheader").on("change input","input, select",(function(e){var ids=e.currentTarget.name.match(/^drops\[(\d+)]\[([a-z]*)]$/);if(ids){var dropzoneNo=ids[1],inputType=ids[2],dropZone=dragDropForm.dropZones[dropzoneNo];switch(inputType){case"shape":dropZone.changeShape(dragDropForm.form.getSvg());break;case"coords":dropZone.updateCoordinatesFromForm(dragDropForm.form.getSvg());break;case"choice":dropZone.updateLabel()}}}));var previewArea=$("fieldset#id_previewareaheader");previewArea.on("click","g.dropzone",(function(e){var dropzoneNo=$(e.currentTarget).data("dropzone-no"),currentlyActive=dragDropForm.dropZones[dropzoneNo].isActive();$(dragDropForm.form.getSvg()).find(".dropzone.active").removeClass("active"),currentlyActive||dragDropForm.dropZones[dropzoneNo].setActive()})),previewArea.on("mousedown touchstart",".dropzone .handle.move",(function(e){var dropzoneNo=$(e.currentTarget).closest("g").data("dropzoneNo");dragDropForm.dropZones[dropzoneNo].handleMove(e)})),previewArea.on("mousedown touchstart",".dropzone .handle.edit",(function(e){var dropzoneNo=$(e.currentTarget).closest("g").data("dropzoneNo"),handleIndex=e.currentTarget.getAttribute("data-edit-handle-no");dragDropForm.dropZones[dropzoneNo].handleEdit(e,handleIndex,dragDropForm.form.getSvg())}))},waitForFilePickerToInitialise:function(){null!==dragDropForm.fp.file("bgimage").href?($("form.mform").on("change","#id_bgimage",dragDropForm.loadPreviewImage),dragDropForm.loadPreviewImage()):setTimeout(dragDropForm.waitForFilePickerToInitialise,1e3)},loadPreviewImage:function(){$("fieldset#id_previewareaheader .dropbackground").one("load",dragDropForm.afterPreviewImageLoaded).attr("src",dragDropForm.fp.file("bgimage").href)},afterPreviewImageLoaded:function(){var bgImg=$("fieldset#id_previewareaheader .dropbackground");$("#ddm-dropzone").css("position","relative").css("top",-1*(bgImg.height()+1)),$("#ddm-droparea").css("height",bgImg.height()+20),dragDropForm.updateSvgDisplay()},updateSvgDisplay:function(){var dropzoneNo,bgImg=$("fieldset#id_previewareaheader .dropbackground");if(dragDropForm.form.getSvg())for(dropzoneNo=0;dropzoneNo<dragDropForm.noDropZones;dropzoneNo++)dragDropForm.dropZones[dropzoneNo].updateSvgEl();else for($("#ddm-dropzone").html('<svg xmlns="http://www.w3.org/2000/svg" class="dropzones" width="'+bgImg.outerWidth()+'" height="'+bgImg.outerHeight()+'"></svg>'),dropzoneNo=0;dropzoneNo<dragDropForm.noDropZones;dropzoneNo++)dragDropForm.dropZones[dropzoneNo].addToSvg(dragDropForm.form.getSvg())},form:{getMarkerText:function(markerNo){return 0!==Number(markerNo)?dragDropForm.form.getFormValue("drags",[markerNo-1,"label"]).replace(new RegExp("^\\s*(.*)\\s*$"),"$1"):""},getSvg:function(){var svg=$("fieldset#id_previewareaheader svg");return 0===svg.length?null:svg[0]},toNameWithIndex:function(name,indexes){for(var indexString=name,i=0;i<indexes.length;i++)indexString=indexString+"["+indexes[i]+"]";return indexString},getEl:function(name,indexes){return $("form.mform")[0].elements[this.toNameWithIndex(name,indexes)]},getFormValue:function(name,indexes){var el=this.getEl(name,indexes);return"checkbox"===el.type?el.checked:el.value},setFormValue:function(name,indexes,value){var el=this.getEl(name,indexes);"checkbox"===el.type?el.checked=value:el.value=value}},filePickers:function(){var draftItemIdsToName,nameToParentNode;return void 0===draftItemIdsToName&&(draftItemIdsToName={},nameToParentNode={},$("form.mform input.filepickerhidden").each((function(key,filepicker){draftItemIdsToName[filepicker.value]=filepicker.name,nameToParentNode[filepicker.name]=filepicker.parentNode}))),{file:function(name){var fileAnchor=$(nameToParentNode[name]).find("div.filepicker-filelist a");return fileAnchor.length?{href:fileAnchor.get(0).href,name:fileAnchor.get(0).innerHTML}:{href:null,name:null}},name:function(draftitemid){return draftItemIdsToName[draftitemid]}}}};return{init:dragDropForm.init}}));
+
+//# sourceMappingURL=form.min.js.map
\ No newline at end of file
diff --git a/question/type/ddmarker/amd/build/form.min.js.map b/question/type/ddmarker/amd/build/form.min.js.map
index a8ed51d8a19..a707f01d50e 100644
--- a/question/type/ddmarker/amd/build/form.min.js.map
+++ b/question/type/ddmarker/amd/build/form.min.js.map
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This class provides the enhancements to the drag-drop marker editing form.\n *\n * @package    qtype_ddmarker\n * @subpackage form\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/dragdrop', 'qtype_ddmarker/shapes'], function($, dragDrop, Shapes) {\n\n    \"use strict\";\n\n    /**\n     * Create the manager object that deals with keeping everything synchronised for one drop zone.\n     *\n     * @param {int} dropzoneNo the index of this drop zone in the form. 0, 1, ....\n     * @constructor\n     */\n    function DropZoneManager(dropzoneNo) {\n        this.dropzoneNo = dropzoneNo;\n        this.svgEl = null;\n\n        this.shape = Shapes.make(this.getShapeType(), this.getLabel());\n        this.updateCoordinatesFromForm();\n    }\n\n    /**\n     * Update the coordinates from a particular string.\n     *\n     * @param {SVGElement} [svg] the SVG element that is the preview.\n     */\n    DropZoneManager.prototype.updateCoordinatesFromForm = function(svg) {\n        var coordinates = this.getCoordinates(),\n            currentNumPoints = this.shape.getType() === 'polygon' && this.shape.points.length;\n        if (this.shape.getCoordinates() === coordinates) {\n            return;\n        }\n        // We don't need to scale the shape for editing form.\n        if (!this.shape.parse(coordinates, 1)) {\n            // Invalid coordinates. Don't update the preview.\n            return;\n        }\n\n        if (this.shape.getType() === 'polygon' && currentNumPoints !== this.shape.points.length) {\n            // Polygon, and size has changed.\n            var currentyActive = this.isActive();\n            this.removeFromSvg();\n            if (svg) {\n                this.addToSvg(svg);\n                if (currentyActive) {\n                    this.setActive();\n                }\n            }\n        } else {\n            // Simple update.\n            this.updateSvgEl();\n        }\n        // Update the rounded coordinates if needed.\n        this.setCoordinatesInForm();\n    };\n\n    /**\n     * Update the label.\n     */\n    DropZoneManager.prototype.updateLabel = function() {\n        var label = this.getLabel();\n        if (this.shape.label !== label) {\n            this.shape.label = label;\n            this.updateSvgEl();\n        }\n    };\n\n    /**\n     * Handle if the type of shape has changed.\n     *\n     * @param {SVGElement} [svg] an SVG element to add this new shape to.\n     */\n    DropZoneManager.prototype.changeShape = function(svg) {\n        var newShapeType = this.getShapeType(),\n            currentyActive = this.isActive();\n\n        if (newShapeType === this.shape.getType()) {\n            return;\n        }\n\n        // It has really changed.\n        this.removeFromSvg();\n        this.shape = Shapes.getSimilar(newShapeType, this.shape);\n        if (svg) {\n            this.addToSvg(svg);\n            if (currentyActive) {\n                this.setActive();\n            }\n        }\n        this.setCoordinatesInForm();\n    };\n\n    /**\n     * Add this drop zone to an SVG graphic.\n     *\n     * @param {SVGElement} svg the SVG image to which to add this drop zone.\n     */\n    DropZoneManager.prototype.addToSvg = function(svg) {\n        if (this.svgEl !== null) {\n            throw new Error('this.svgEl already set');\n        }\n        this.svgEl = this.shape.makeSvg(svg);\n        if (!this.svgEl) {\n            return;\n        }\n        this.svgEl.setAttribute('class', 'dropzone');\n        this.svgEl.setAttribute('data-dropzone-no', this.dropzoneNo);\n\n        // Add handles.\n        var handles = this.shape.getHandlePositions();\n        if (handles === null) {\n            return;\n        }\n\n        var moveHandle = Shapes.createSvgElement(this.svgEl, 'circle');\n        moveHandle.setAttribute('cx', handles.moveHandle.x);\n        moveHandle.setAttribute('cy', handles.moveHandle.y);\n        moveHandle.setAttribute('r', 7);\n        moveHandle.setAttribute('class', 'handle move');\n\n        for (var i = 0; i < handles.editHandles.length; ++i) {\n            this.makeEditHandle(i, handles.editHandles[i]);\n        }\n    };\n\n    /**\n     * Add a new edit handle.\n     *\n     * @param {int} index the handle index.\n     * @param {Point} point the point at which to add the handle.\n     */\n    DropZoneManager.prototype.makeEditHandle = function(index, point) {\n        var editHandle = Shapes.createSvgElement(this.svgEl, 'rect');\n        editHandle.setAttribute('x', point.x - 6);\n        editHandle.setAttribute('y', point.y - 6);\n        editHandle.setAttribute('width', 11);\n        editHandle.setAttribute('height', 11);\n        editHandle.setAttribute('class', 'handle edit');\n        editHandle.setAttribute('data-edit-handle-no', index);\n    };\n\n    /**\n     * Remove this drop zone from an SVG image.\n     */\n    DropZoneManager.prototype.removeFromSvg = function() {\n        if (this.svgEl !== null) {\n            this.svgEl.parentNode.removeChild(this.svgEl);\n            this.svgEl = null;\n        }\n    };\n\n    /**\n     * Update the shape of this drop zone (but not type) in an SVG image.\n     */\n    DropZoneManager.prototype.updateSvgEl = function() {\n        if (this.svgEl === null) {\n            return;\n        }\n\n        this.shape.updateSvg(this.svgEl);\n\n        // Adjust handles.\n        var handles = this.shape.getHandlePositions();\n        if (handles === null) {\n            return;\n        }\n\n        // Move handle.\n        // The shape + its label are the first two children of svgEl.\n        // Then come the move handle followed by the edit handles.\n        this.svgEl.childNodes[2].setAttribute('cx', handles.moveHandle.x);\n        this.svgEl.childNodes[2].setAttribute('cy', handles.moveHandle.y);\n\n        // Edit handles.\n        for (var i = 0; i < handles.editHandles.length; ++i) {\n            this.svgEl.childNodes[3 + i].setAttribute('x', handles.editHandles[i].x - 6);\n            this.svgEl.childNodes[3 + i].setAttribute('y', handles.editHandles[i].y - 6);\n        }\n    };\n\n    /**\n     * Find out of this drop zone is currently being edited.\n     *\n     * @return {boolean} true if it is.\n     */\n    DropZoneManager.prototype.isActive = function() {\n        return this.svgEl !== null && this.svgEl.getAttribute('class').match(/\\bactive\\b/);\n    };\n\n    /**\n     * Set this drop zone as being edited.\n     */\n    DropZoneManager.prototype.setActive = function() {\n        // Move this one to last, so that it is always on top.\n        // (Otherwise the handles may not be able to receive events.)\n        var parent = this.svgEl.parentNode;\n        parent.removeChild(this.svgEl);\n        parent.appendChild(this.svgEl);\n        this.svgEl.setAttribute('class', this.svgEl.getAttribute('class') + ' active');\n    };\n\n    /**\n     * Set the coordinates in the form to match the current shape.\n     */\n    DropZoneManager.prototype.setCoordinatesInForm = function() {\n        dragDropForm.form.setFormValue('drops', [this.dropzoneNo, 'coords'], this.shape.getCoordinates());\n    };\n\n    /**\n     * Returns the coordinates for a drop zone from the text input in the form.\n     * @returns {string} the coordinates.\n     */\n    DropZoneManager.prototype.getCoordinates = function() {\n        return dragDropForm.form.getFormValue('drops', [this.dropzoneNo, 'coords']).replace(/\\s*/g, '');\n    };\n\n    /**\n     * Returns the selected marker number from the dropdown in the form.\n     * @returns {int} choice number.\n     */\n    DropZoneManager.prototype.getChoiceNo = function() {\n        return dragDropForm.form.getFormValue('drops', [this.dropzoneNo, 'choice']);\n    };\n\n    /**\n     * Returns the selected marker number from the dropdown in the form.\n     * @returns {String} marker label text.\n     */\n    DropZoneManager.prototype.getLabel = function() {\n        return dragDropForm.form.getMarkerText(this.getChoiceNo());\n    };\n\n\n    /**\n     * Returns the selected type of shape in the form.\n     * @returns {String} 'circle', 'rectangle' or 'polygon'.\n     */\n    DropZoneManager.prototype.getShapeType = function() {\n        return dragDropForm.form.getFormValue('drops', [this.dropzoneNo, 'shape']);\n    };\n\n    /**\n     * Start responding to dragging the move handle.\n     * @param {Event} e Event object\n     */\n    DropZoneManager.prototype.handleMove = function(e) {\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        var movingDropZone = this,\n                lastX = info.x,\n                lastY = info.y,\n                dragProxy = this.makeDragProxy(info.x, info.y),\n                bgImg = $('fieldset#id_previewareaheader .dropbackground'),\n                maxX = bgImg.width(),\n                maxY = bgImg.height();\n\n        dragDrop.start(e, $(dragProxy), function(pageX, pageY) {\n            movingDropZone.shape.move(pageX - lastX, pageY - lastY, maxX, maxY);\n            lastX = pageX;\n            lastY = pageY;\n            movingDropZone.updateSvgEl();\n            movingDropZone.setCoordinatesInForm();\n        }, function() {\n            document.body.removeChild(dragProxy);\n        });\n    };\n\n    /**\n     * Start responding to dragging the move handle.\n     * @param {Event} e Event object\n     * @param {int} handleIndex\n     * @param {SVGElement} [svg] an SVG element to add this new shape to.\n     */\n    DropZoneManager.prototype.handleEdit = function(e, handleIndex, svg) {\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        // For polygons, CTRL + drag adds a new point.\n        if (this.shape.getType() === 'polygon' && (e.ctrlKey || e.metaKey)) {\n            this.shape.addNewPointAfter(handleIndex);\n            this.removeFromSvg();\n            this.addToSvg(svg);\n            this.setActive();\n        }\n\n        var changingDropZone = this,\n            lastX = info.x,\n            lastY = info.y,\n            dragProxy = this.makeDragProxy(info.x, info.y),\n            bgImg = $('fieldset#id_previewareaheader .dropbackground'),\n            maxX = bgImg.width(),\n            maxY = bgImg.height();\n\n        dragDrop.start(e, $(dragProxy), function(pageX, pageY) {\n            changingDropZone.shape.edit(handleIndex, pageX - lastX, pageY - lastY, maxX, maxY);\n            lastX = pageX;\n            lastY = pageY;\n            changingDropZone.updateSvgEl();\n            changingDropZone.setCoordinatesInForm();\n        }, function() {\n            document.body.removeChild(dragProxy);\n            changingDropZone.shape.normalizeShape();\n            changingDropZone.updateSvgEl();\n            changingDropZone.setCoordinatesInForm();\n        });\n    };\n\n    /**\n     * Make an invisible drag proxy.\n     *\n     * @param {int} x x position .\n     * @param {int} y y position.\n     * @returns {HTMLElement} the drag proxy.\n     */\n    DropZoneManager.prototype.makeDragProxy = function(x, y) {\n        var dragProxy = document.createElement('div');\n        dragProxy.style.position = 'absolute';\n        dragProxy.style.top = y + 'px';\n        dragProxy.style.left = x + 'px';\n        dragProxy.style.width = '1px';\n        dragProxy.style.height = '1px';\n        document.body.appendChild(dragProxy);\n        return dragProxy;\n    };\n\n    /**\n     * Singleton object for managing all the parts of the form.\n     */\n    var dragDropForm = {\n\n        /**\n         * @var {object} for interacting with the file pickers.\n         */\n        fp: null, // Object containing functions associated with the file picker.\n\n        /**\n         * @var {int} the number of drop-zones on the form.\n         */\n        noDropZones: null,\n\n        /**\n         * @var {DropZoneManager[]} the drop zones in the preview, indexed by drop zone number.\n         */\n        dropZones: [],\n\n        /**\n         * Initialise the form.\n         */\n        init: function() {\n            dragDropForm.fp = dragDropForm.filePickers();\n            dragDropForm.noDropZones = dragDropForm.form.getFormValue('nodropzone', []);\n            dragDropForm.setupPreviewArea();\n            dragDropForm.setOptionsForDragItemSelectors();\n            dragDropForm.createShapes();\n            dragDropForm.setupEventHandlers();\n            dragDropForm.waitForFilePickerToInitialise();\n        },\n\n        /**\n         * Add html for the preview area.\n         */\n        setupPreviewArea: function() {\n            $('fieldset#id_previewareaheader div.fcontainer').append(\n                '<div class=\"ddarea que ddmarker\">' +\n                '   <div id=\"ddm-droparea\" class=\"droparea\">' +\n                '       <img class=\"dropbackground\" />' +\n                '       <div id=\"ddm-dropzone\" class=\"dropzones\">' +\n                '       </div>' +\n                '   </div>' +\n                '</div>');\n        },\n\n        /**\n         * When a new marker is added this function updates the Marker dropdown controls in Drop zones.\n         */\n        setOptionsForDragItemSelectors: function() {\n            var dragItemsOptions = {'0': ''};\n            var noItems = dragDropForm.form.getFormValue('noitems', []);\n            var selectedValues = [];\n            var selector;\n            var i, label;\n            for (i = 1; i <= noItems; i++) {\n                label = dragDropForm.form.getMarkerText(i);\n                if (label !== \"\") {\n                    // HTML escape the label.\n                    dragItemsOptions[i] = $('<div/>').text(label).html();\n                }\n            }\n            // Get all the currently selected drags for each drop.\n            for (i = 0; i < dragDropForm.noDropZones; i++) {\n                selector = $('#id_drops_' + i + '_choice');\n                selectedValues[i] = Number(selector.val());\n            }\n            for (i = 0; i < dragDropForm.noDropZones; i++) {\n                selector = $('#id_drops_' + i + '_choice');\n                // Remove all options for drag choice.\n                selector.find('option').remove();\n                // And recreate the options.\n                for (var value in dragItemsOptions) {\n                    value = Number(value);\n                    var option = '<option value=\"' + value + '\">' + dragItemsOptions[value] + '</option>';\n                    selector.append(option);\n                    var optionnode = selector.find('option[value=\"' + value + '\"]');\n\n\n                    if (value === 0) {\n                        continue; // The 'no item' option is always selectable.\n                    }\n\n                    // Is this the currently selected value?\n                    if (value === selectedValues[i]) {\n                        optionnode.attr('selected', true);\n                        continue; // If it s selected, we must leave it enabled.\n                    }\n\n                    // Count how many times it is used, and if necessary, disable.\n                    var noofdrags = dragDropForm.form.getFormValue('drags', [value - 1, 'noofdrags']);\n                    if (Number(noofdrags) === 0) { // 'noofdrags === 0' means infinite.\n                        continue; // Nothing to check.\n                    }\n\n                    // Go through all selected values in drop downs.\n                    for (var k in selectedValues) {\n                        if (Number(selectedValues[k]) !== value) {\n                            continue;\n                        }\n\n                        // Count down 'noofdrags' and if reach zero then set disabled option for this drag item.\n                        if (Number(noofdrags) === 1) {\n                            optionnode.attr('disabled', true);\n                            break;\n                        } else {\n                            noofdrags--;\n                        }\n                    }\n                }\n\n                if (dragDropForm.dropZones.length > 0) {\n                    dragDropForm.dropZones[i].updateLabel();\n                }\n            }\n        },\n\n        /**\n         * Create the shape representation of each dropZone.\n         */\n        createShapes: function() {\n            for (var dropzoneNo = 0; dropzoneNo < dragDropForm.noDropZones; dropzoneNo++) {\n                dragDropForm.dropZones[dropzoneNo] = new DropZoneManager(dropzoneNo);\n            }\n        },\n\n        /**\n         * Events linked to form actions.\n         */\n        setupEventHandlers: function() {\n            // Changes to labels in the Markers section.\n            $('fieldset#id_draggableitemheader').on('change input', 'input, select', function() {\n                dragDropForm.setOptionsForDragItemSelectors();\n            });\n\n            // Changes to Drop zones section: shape, coordinates and marker.\n            $('fieldset#id_dropzoneheader').on('change input', 'input, select', function(e) {\n                var ids = e.currentTarget.name.match(/^drops\\[(\\d+)]\\[([a-z]*)]$/);\n                if (!ids) {\n                    return;\n                }\n\n                var dropzoneNo = ids[1],\n                    inputType = ids[2],\n                    dropZone = dragDropForm.dropZones[dropzoneNo];\n\n                switch (inputType) {\n                    case 'shape':\n                        dropZone.changeShape(dragDropForm.form.getSvg());\n                        break;\n\n                    case 'coords':\n                        dropZone.updateCoordinatesFromForm(dragDropForm.form.getSvg());\n                        break;\n\n                    case 'choice':\n                        dropZone.updateLabel();\n                        break;\n                }\n            });\n\n            // Click to toggle graphical editing.\n            var previewArea = $('fieldset#id_previewareaheader');\n            previewArea.on('click', 'g.dropzone', function(e) {\n                var dropzoneNo = $(e.currentTarget).data('dropzone-no'),\n                    currentlyActive = dragDropForm.dropZones[dropzoneNo].isActive();\n\n                $(dragDropForm.form.getSvg()).find('.dropzone.active').removeClass('active');\n\n                if (!currentlyActive) {\n                    dragDropForm.dropZones[dropzoneNo].setActive();\n                }\n            });\n\n            // Drag start on a move handle.\n            previewArea.on('mousedown touchstart', '.dropzone .handle.move', function(e) {\n                var dropzoneNo = $(e.currentTarget).closest('g').data('dropzoneNo');\n\n                dragDropForm.dropZones[dropzoneNo].handleMove(e);\n            });\n\n            // Drag start on a move handle.\n            previewArea.on('mousedown touchstart', '.dropzone .handle.edit', function(e) {\n                var dropzoneNo = $(e.currentTarget).closest('g').data('dropzoneNo'),\n                    handleIndex = e.currentTarget.getAttribute('data-edit-handle-no');\n\n                dragDropForm.dropZones[dropzoneNo].handleEdit(e, handleIndex, dragDropForm.form.getSvg());\n            });\n        },\n\n        /**\n         * Prevents adding drop zones until the preview background image is ready to load.\n         */\n        waitForFilePickerToInitialise: function() {\n            if (dragDropForm.fp.file('bgimage').href === null) {\n                // It would be better to use an onload or onchange event rather than this timeout.\n                // Unfortunately attempts to do this early are overwritten by filepicker during its loading.\n                setTimeout(dragDropForm.waitForFilePickerToInitialise, 1000);\n                return;\n            }\n\n            // From now on, when a new file gets loaded into the filepicker, update the preview.\n            // This is not in the setupEventHandlers section as it needs to be delayed until\n            // after filepicker's javascript has finished.\n            $('form.mform').on('change', '#id_bgimage', dragDropForm.loadPreviewImage);\n\n            dragDropForm.loadPreviewImage();\n        },\n\n        /**\n         * Loads the preview background image.\n         */\n        loadPreviewImage: function() {\n            $('fieldset#id_previewareaheader .dropbackground')\n                    .one('load', dragDropForm.afterPreviewImageLoaded)\n                    .attr('src', dragDropForm.fp.file('bgimage').href);\n        },\n\n        /**\n         * Functions to run after background image loaded.\n         */\n        afterPreviewImageLoaded: function() {\n            var bgImg = $('fieldset#id_previewareaheader .dropbackground');\n            // Place the dropzone area over the background image (adding one to account for the border).\n            $('#ddm-dropzone').css('position', 'relative').css('top', (bgImg.height() + 1) * -1);\n            $('#ddm-droparea').css('height', bgImg.height() + 20);\n            dragDropForm.updateSvgDisplay();\n        },\n\n        /**\n         * Draws or re-draws all dropzones in the preview area based on form data.\n         * Call this function when there is a change in the form data.\n         */\n        updateSvgDisplay: function() {\n            var bgImg = $('fieldset#id_previewareaheader .dropbackground'),\n                dropzoneNo;\n\n            if (dragDropForm.form.getSvg()) {\n                // Already exists, just need to be updated.\n                for (dropzoneNo = 0; dropzoneNo < dragDropForm.noDropZones; dropzoneNo++) {\n                    dragDropForm.dropZones[dropzoneNo].updateSvgEl();\n                }\n\n            } else {\n                // Create.\n                $('#ddm-dropzone').html('<svg xmlns=\"http://www.w3.org/2000/svg\" class=\"dropzones\" ' +\n                    'width=\"' + bgImg.outerWidth() + '\" ' +\n                    'height=\"' + bgImg.outerHeight() + '\"></svg>');\n                for (dropzoneNo = 0; dropzoneNo < dragDropForm.noDropZones; dropzoneNo++) {\n                    dragDropForm.dropZones[dropzoneNo].addToSvg(dragDropForm.form.getSvg());\n                }\n            }\n        },\n\n        /**\n         * Helper to make it easy to work with form elements with names like \"drops[0][shape]\".\n         */\n        form: {\n            /**\n             * Returns the label text for a marker.\n             * @param {int} markerNo\n             * @returns {string} Marker text\n             */\n            getMarkerText: function(markerNo) {\n                if (Number(markerNo) !== 0) {\n                    var label = dragDropForm.form.getFormValue('drags', [markerNo - 1, 'label']);\n                    return label.replace(new RegExp(\"^\\\\s*(.*)\\\\s*$\"), \"$1\");\n                } else {\n                    return '';\n                }\n            },\n\n            /**\n             * Get the SVG element, if there is one, otherwise return null.\n             *\n             * @returns {SVGElement|null} the SVG element or null.\n             */\n            getSvg: function() {\n                var svg = $('fieldset#id_previewareaheader svg');\n                if (svg.length === 0) {\n                    return null;\n                } else {\n                    return svg[0];\n                }\n            },\n\n            toNameWithIndex: function(name, indexes) {\n                var indexString = name;\n                for (var i = 0; i < indexes.length; i++) {\n                    indexString = indexString + '[' + indexes[i] + ']';\n                }\n                return indexString;\n            },\n\n            getEl: function(name, indexes) {\n                var form = $('form.mform')[0];\n                return form.elements[this.toNameWithIndex(name, indexes)];\n            },\n\n            /**\n             * Helper to get the value of a form elements with name like \"drops[0][shape]\".\n             *\n             * @param {String} name the base name, e.g. 'drops'.\n             * @param {String[]} indexes the indexes, e.g. ['0', 'shape'].\n             * @return {String} the value of that field.\n             */\n            getFormValue: function(name, indexes) {\n                var el = this.getEl(name, indexes);\n                if (el.type === 'checkbox') {\n                    return el.checked;\n                } else {\n                    return el.value;\n                }\n            },\n\n            /**\n             * Helper to get the value of a form elements with name like \"drops[0][shape]\".\n             *\n             * @param {String} name the base name, e.g. 'drops'.\n             * @param {String[]} indexes the indexes, e.g. ['0', 'shape'].\n             * @param {String} value the value to set.\n             */\n            setFormValue: function(name, indexes, value) {\n                var el = this.getEl(name, indexes);\n                if (el.type === 'checkbox') {\n                    el.checked = value;\n                } else {\n                    el.value = value;\n                }\n            }\n        },\n\n        /**\n         * Utility to get the file name and url from the filepicker.\n         * @returns {Object} object containing functions {file, name}\n         */\n        filePickers: function() {\n            var draftItemIdsToName;\n            var nameToParentNode;\n            if (draftItemIdsToName === undefined) {\n                draftItemIdsToName = {};\n                nameToParentNode = {};\n                $('form.mform input.filepickerhidden').each(function(key, filepicker) {\n                    draftItemIdsToName[filepicker.value] = filepicker.name;\n                    nameToParentNode[filepicker.name] = filepicker.parentNode;\n                });\n            }\n            return {\n                file: function(name) {\n                    var fileAnchor = $(nameToParentNode[name]).find('div.filepicker-filelist a');\n                    if (fileAnchor.length) {\n                        return {href: fileAnchor.get(0).href, name: fileAnchor.get(0).innerHTML};\n                    } else {\n                        return {href: null, name: null};\n                    }\n                },\n                name: function(draftitemid) {\n                    return draftItemIdsToName[draftitemid];\n                }\n            };\n        }\n    };\n\n    /**\n     * @alias module:qtype_ddmarker/form\n     */\n    return {\n        /**\n         * Initialise the form javascript features.\n         * @param {Object} maxBgimageSize object with two properties: width and height.\n         */\n        init: dragDropForm.init\n    };\n});\n"],"file":"form.min.js"}
\ No newline at end of file
+{"version":3,"file":"form.min.js","sources":["../src/form.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * This class provides the enhancements to the drag-drop marker editing form.\n *\n * @package    qtype_ddmarker\n * @subpackage form\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/dragdrop', 'qtype_ddmarker/shapes'], function($, dragDrop, Shapes) {\n\n    \"use strict\";\n\n    /**\n     * Create the manager object that deals with keeping everything synchronised for one drop zone.\n     *\n     * @param {int} dropzoneNo the index of this drop zone in the form. 0, 1, ....\n     * @constructor\n     */\n    function DropZoneManager(dropzoneNo) {\n        this.dropzoneNo = dropzoneNo;\n        this.svgEl = null;\n\n        this.shape = Shapes.make(this.getShapeType(), this.getLabel());\n        this.updateCoordinatesFromForm();\n    }\n\n    /**\n     * Update the coordinates from a particular string.\n     *\n     * @param {SVGElement} [svg] the SVG element that is the preview.\n     */\n    DropZoneManager.prototype.updateCoordinatesFromForm = function(svg) {\n        var coordinates = this.getCoordinates(),\n            currentNumPoints = this.shape.getType() === 'polygon' && this.shape.points.length;\n        if (this.shape.getCoordinates() === coordinates) {\n            return;\n        }\n        // We don't need to scale the shape for editing form.\n        if (!this.shape.parse(coordinates, 1)) {\n            // Invalid coordinates. Don't update the preview.\n            return;\n        }\n\n        if (this.shape.getType() === 'polygon' && currentNumPoints !== this.shape.points.length) {\n            // Polygon, and size has changed.\n            var currentyActive = this.isActive();\n            this.removeFromSvg();\n            if (svg) {\n                this.addToSvg(svg);\n                if (currentyActive) {\n                    this.setActive();\n                }\n            }\n        } else {\n            // Simple update.\n            this.updateSvgEl();\n        }\n        // Update the rounded coordinates if needed.\n        this.setCoordinatesInForm();\n    };\n\n    /**\n     * Update the label.\n     */\n    DropZoneManager.prototype.updateLabel = function() {\n        var label = this.getLabel();\n        if (this.shape.label !== label) {\n            this.shape.label = label;\n            this.updateSvgEl();\n        }\n    };\n\n    /**\n     * Handle if the type of shape has changed.\n     *\n     * @param {SVGElement} [svg] an SVG element to add this new shape to.\n     */\n    DropZoneManager.prototype.changeShape = function(svg) {\n        var newShapeType = this.getShapeType(),\n            currentyActive = this.isActive();\n\n        if (newShapeType === this.shape.getType()) {\n            return;\n        }\n\n        // It has really changed.\n        this.removeFromSvg();\n        this.shape = Shapes.getSimilar(newShapeType, this.shape);\n        if (svg) {\n            this.addToSvg(svg);\n            if (currentyActive) {\n                this.setActive();\n            }\n        }\n        this.setCoordinatesInForm();\n    };\n\n    /**\n     * Add this drop zone to an SVG graphic.\n     *\n     * @param {SVGElement} svg the SVG image to which to add this drop zone.\n     */\n    DropZoneManager.prototype.addToSvg = function(svg) {\n        if (this.svgEl !== null) {\n            throw new Error('this.svgEl already set');\n        }\n        this.svgEl = this.shape.makeSvg(svg);\n        if (!this.svgEl) {\n            return;\n        }\n        this.svgEl.setAttribute('class', 'dropzone');\n        this.svgEl.setAttribute('data-dropzone-no', this.dropzoneNo);\n\n        // Add handles.\n        var handles = this.shape.getHandlePositions();\n        if (handles === null) {\n            return;\n        }\n\n        var moveHandle = Shapes.createSvgElement(this.svgEl, 'circle');\n        moveHandle.setAttribute('cx', handles.moveHandle.x);\n        moveHandle.setAttribute('cy', handles.moveHandle.y);\n        moveHandle.setAttribute('r', 7);\n        moveHandle.setAttribute('class', 'handle move');\n\n        for (var i = 0; i < handles.editHandles.length; ++i) {\n            this.makeEditHandle(i, handles.editHandles[i]);\n        }\n    };\n\n    /**\n     * Add a new edit handle.\n     *\n     * @param {int} index the handle index.\n     * @param {Point} point the point at which to add the handle.\n     */\n    DropZoneManager.prototype.makeEditHandle = function(index, point) {\n        var editHandle = Shapes.createSvgElement(this.svgEl, 'rect');\n        editHandle.setAttribute('x', point.x - 6);\n        editHandle.setAttribute('y', point.y - 6);\n        editHandle.setAttribute('width', 11);\n        editHandle.setAttribute('height', 11);\n        editHandle.setAttribute('class', 'handle edit');\n        editHandle.setAttribute('data-edit-handle-no', index);\n    };\n\n    /**\n     * Remove this drop zone from an SVG image.\n     */\n    DropZoneManager.prototype.removeFromSvg = function() {\n        if (this.svgEl !== null) {\n            this.svgEl.parentNode.removeChild(this.svgEl);\n            this.svgEl = null;\n        }\n    };\n\n    /**\n     * Update the shape of this drop zone (but not type) in an SVG image.\n     */\n    DropZoneManager.prototype.updateSvgEl = function() {\n        if (this.svgEl === null) {\n            return;\n        }\n\n        this.shape.updateSvg(this.svgEl);\n\n        // Adjust handles.\n        var handles = this.shape.getHandlePositions();\n        if (handles === null) {\n            return;\n        }\n\n        // Move handle.\n        // The shape + its label are the first two children of svgEl.\n        // Then come the move handle followed by the edit handles.\n        this.svgEl.childNodes[2].setAttribute('cx', handles.moveHandle.x);\n        this.svgEl.childNodes[2].setAttribute('cy', handles.moveHandle.y);\n\n        // Edit handles.\n        for (var i = 0; i < handles.editHandles.length; ++i) {\n            this.svgEl.childNodes[3 + i].setAttribute('x', handles.editHandles[i].x - 6);\n            this.svgEl.childNodes[3 + i].setAttribute('y', handles.editHandles[i].y - 6);\n        }\n    };\n\n    /**\n     * Find out of this drop zone is currently being edited.\n     *\n     * @return {boolean} true if it is.\n     */\n    DropZoneManager.prototype.isActive = function() {\n        return this.svgEl !== null && this.svgEl.getAttribute('class').match(/\\bactive\\b/);\n    };\n\n    /**\n     * Set this drop zone as being edited.\n     */\n    DropZoneManager.prototype.setActive = function() {\n        // Move this one to last, so that it is always on top.\n        // (Otherwise the handles may not be able to receive events.)\n        var parent = this.svgEl.parentNode;\n        parent.removeChild(this.svgEl);\n        parent.appendChild(this.svgEl);\n        this.svgEl.setAttribute('class', this.svgEl.getAttribute('class') + ' active');\n    };\n\n    /**\n     * Set the coordinates in the form to match the current shape.\n     */\n    DropZoneManager.prototype.setCoordinatesInForm = function() {\n        dragDropForm.form.setFormValue('drops', [this.dropzoneNo, 'coords'], this.shape.getCoordinates());\n    };\n\n    /**\n     * Returns the coordinates for a drop zone from the text input in the form.\n     * @returns {string} the coordinates.\n     */\n    DropZoneManager.prototype.getCoordinates = function() {\n        return dragDropForm.form.getFormValue('drops', [this.dropzoneNo, 'coords']).replace(/\\s*/g, '');\n    };\n\n    /**\n     * Returns the selected marker number from the dropdown in the form.\n     * @returns {int} choice number.\n     */\n    DropZoneManager.prototype.getChoiceNo = function() {\n        return dragDropForm.form.getFormValue('drops', [this.dropzoneNo, 'choice']);\n    };\n\n    /**\n     * Returns the selected marker number from the dropdown in the form.\n     * @returns {String} marker label text.\n     */\n    DropZoneManager.prototype.getLabel = function() {\n        return dragDropForm.form.getMarkerText(this.getChoiceNo());\n    };\n\n\n    /**\n     * Returns the selected type of shape in the form.\n     * @returns {String} 'circle', 'rectangle' or 'polygon'.\n     */\n    DropZoneManager.prototype.getShapeType = function() {\n        return dragDropForm.form.getFormValue('drops', [this.dropzoneNo, 'shape']);\n    };\n\n    /**\n     * Start responding to dragging the move handle.\n     * @param {Event} e Event object\n     */\n    DropZoneManager.prototype.handleMove = function(e) {\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        var movingDropZone = this,\n                lastX = info.x,\n                lastY = info.y,\n                dragProxy = this.makeDragProxy(info.x, info.y),\n                bgImg = $('fieldset#id_previewareaheader .dropbackground'),\n                maxX = bgImg.width(),\n                maxY = bgImg.height();\n\n        dragDrop.start(e, $(dragProxy), function(pageX, pageY) {\n            movingDropZone.shape.move(pageX - lastX, pageY - lastY, maxX, maxY);\n            lastX = pageX;\n            lastY = pageY;\n            movingDropZone.updateSvgEl();\n            movingDropZone.setCoordinatesInForm();\n        }, function() {\n            document.body.removeChild(dragProxy);\n        });\n    };\n\n    /**\n     * Start responding to dragging the move handle.\n     * @param {Event} e Event object\n     * @param {int} handleIndex\n     * @param {SVGElement} [svg] an SVG element to add this new shape to.\n     */\n    DropZoneManager.prototype.handleEdit = function(e, handleIndex, svg) {\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        // For polygons, CTRL + drag adds a new point.\n        if (this.shape.getType() === 'polygon' && (e.ctrlKey || e.metaKey)) {\n            this.shape.addNewPointAfter(handleIndex);\n            this.removeFromSvg();\n            this.addToSvg(svg);\n            this.setActive();\n        }\n\n        var changingDropZone = this,\n            lastX = info.x,\n            lastY = info.y,\n            dragProxy = this.makeDragProxy(info.x, info.y),\n            bgImg = $('fieldset#id_previewareaheader .dropbackground'),\n            maxX = bgImg.width(),\n            maxY = bgImg.height();\n\n        dragDrop.start(e, $(dragProxy), function(pageX, pageY) {\n            changingDropZone.shape.edit(handleIndex, pageX - lastX, pageY - lastY, maxX, maxY);\n            lastX = pageX;\n            lastY = pageY;\n            changingDropZone.updateSvgEl();\n            changingDropZone.setCoordinatesInForm();\n        }, function() {\n            document.body.removeChild(dragProxy);\n            changingDropZone.shape.normalizeShape();\n            changingDropZone.updateSvgEl();\n            changingDropZone.setCoordinatesInForm();\n        });\n    };\n\n    /**\n     * Make an invisible drag proxy.\n     *\n     * @param {int} x x position .\n     * @param {int} y y position.\n     * @returns {HTMLElement} the drag proxy.\n     */\n    DropZoneManager.prototype.makeDragProxy = function(x, y) {\n        var dragProxy = document.createElement('div');\n        dragProxy.style.position = 'absolute';\n        dragProxy.style.top = y + 'px';\n        dragProxy.style.left = x + 'px';\n        dragProxy.style.width = '1px';\n        dragProxy.style.height = '1px';\n        document.body.appendChild(dragProxy);\n        return dragProxy;\n    };\n\n    /**\n     * Singleton object for managing all the parts of the form.\n     */\n    var dragDropForm = {\n\n        /**\n         * @var {object} for interacting with the file pickers.\n         */\n        fp: null, // Object containing functions associated with the file picker.\n\n        /**\n         * @var {int} the number of drop-zones on the form.\n         */\n        noDropZones: null,\n\n        /**\n         * @var {DropZoneManager[]} the drop zones in the preview, indexed by drop zone number.\n         */\n        dropZones: [],\n\n        /**\n         * Initialise the form.\n         */\n        init: function() {\n            dragDropForm.fp = dragDropForm.filePickers();\n            dragDropForm.noDropZones = dragDropForm.form.getFormValue('nodropzone', []);\n            dragDropForm.setupPreviewArea();\n            dragDropForm.setOptionsForDragItemSelectors();\n            dragDropForm.createShapes();\n            dragDropForm.setupEventHandlers();\n            dragDropForm.waitForFilePickerToInitialise();\n        },\n\n        /**\n         * Add html for the preview area.\n         */\n        setupPreviewArea: function() {\n            $('fieldset#id_previewareaheader div.fcontainer').append(\n                '<div class=\"ddarea que ddmarker\">' +\n                '   <div id=\"ddm-droparea\" class=\"droparea\">' +\n                '       <img class=\"dropbackground\" />' +\n                '       <div id=\"ddm-dropzone\" class=\"dropzones\">' +\n                '       </div>' +\n                '   </div>' +\n                '</div>');\n        },\n\n        /**\n         * When a new marker is added this function updates the Marker dropdown controls in Drop zones.\n         */\n        setOptionsForDragItemSelectors: function() {\n            var dragItemsOptions = {'0': ''};\n            var noItems = dragDropForm.form.getFormValue('noitems', []);\n            var selectedValues = [];\n            var selector;\n            var i, label;\n            for (i = 1; i <= noItems; i++) {\n                label = dragDropForm.form.getMarkerText(i);\n                if (label !== \"\") {\n                    // HTML escape the label.\n                    dragItemsOptions[i] = $('<div/>').text(label).html();\n                }\n            }\n            // Get all the currently selected drags for each drop.\n            for (i = 0; i < dragDropForm.noDropZones; i++) {\n                selector = $('#id_drops_' + i + '_choice');\n                selectedValues[i] = Number(selector.val());\n            }\n            for (i = 0; i < dragDropForm.noDropZones; i++) {\n                selector = $('#id_drops_' + i + '_choice');\n                // Remove all options for drag choice.\n                selector.find('option').remove();\n                // And recreate the options.\n                for (var value in dragItemsOptions) {\n                    value = Number(value);\n                    var option = '<option value=\"' + value + '\">' + dragItemsOptions[value] + '</option>';\n                    selector.append(option);\n                    var optionnode = selector.find('option[value=\"' + value + '\"]');\n\n\n                    if (value === 0) {\n                        continue; // The 'no item' option is always selectable.\n                    }\n\n                    // Is this the currently selected value?\n                    if (value === selectedValues[i]) {\n                        optionnode.attr('selected', true);\n                        continue; // If it s selected, we must leave it enabled.\n                    }\n\n                    // Count how many times it is used, and if necessary, disable.\n                    var noofdrags = dragDropForm.form.getFormValue('drags', [value - 1, 'noofdrags']);\n                    if (Number(noofdrags) === 0) { // 'noofdrags === 0' means infinite.\n                        continue; // Nothing to check.\n                    }\n\n                    // Go through all selected values in drop downs.\n                    for (var k in selectedValues) {\n                        if (Number(selectedValues[k]) !== value) {\n                            continue;\n                        }\n\n                        // Count down 'noofdrags' and if reach zero then set disabled option for this drag item.\n                        if (Number(noofdrags) === 1) {\n                            optionnode.attr('disabled', true);\n                            break;\n                        } else {\n                            noofdrags--;\n                        }\n                    }\n                }\n\n                if (dragDropForm.dropZones.length > 0) {\n                    dragDropForm.dropZones[i].updateLabel();\n                }\n            }\n        },\n\n        /**\n         * Create the shape representation of each dropZone.\n         */\n        createShapes: function() {\n            for (var dropzoneNo = 0; dropzoneNo < dragDropForm.noDropZones; dropzoneNo++) {\n                dragDropForm.dropZones[dropzoneNo] = new DropZoneManager(dropzoneNo);\n            }\n        },\n\n        /**\n         * Events linked to form actions.\n         */\n        setupEventHandlers: function() {\n            // Changes to labels in the Markers section.\n            $('fieldset#id_draggableitemheader').on('change input', 'input, select', function() {\n                dragDropForm.setOptionsForDragItemSelectors();\n            });\n\n            // Changes to Drop zones section: shape, coordinates and marker.\n            $('fieldset#id_dropzoneheader').on('change input', 'input, select', function(e) {\n                var ids = e.currentTarget.name.match(/^drops\\[(\\d+)]\\[([a-z]*)]$/);\n                if (!ids) {\n                    return;\n                }\n\n                var dropzoneNo = ids[1],\n                    inputType = ids[2],\n                    dropZone = dragDropForm.dropZones[dropzoneNo];\n\n                switch (inputType) {\n                    case 'shape':\n                        dropZone.changeShape(dragDropForm.form.getSvg());\n                        break;\n\n                    case 'coords':\n                        dropZone.updateCoordinatesFromForm(dragDropForm.form.getSvg());\n                        break;\n\n                    case 'choice':\n                        dropZone.updateLabel();\n                        break;\n                }\n            });\n\n            // Click to toggle graphical editing.\n            var previewArea = $('fieldset#id_previewareaheader');\n            previewArea.on('click', 'g.dropzone', function(e) {\n                var dropzoneNo = $(e.currentTarget).data('dropzone-no'),\n                    currentlyActive = dragDropForm.dropZones[dropzoneNo].isActive();\n\n                $(dragDropForm.form.getSvg()).find('.dropzone.active').removeClass('active');\n\n                if (!currentlyActive) {\n                    dragDropForm.dropZones[dropzoneNo].setActive();\n                }\n            });\n\n            // Drag start on a move handle.\n            previewArea.on('mousedown touchstart', '.dropzone .handle.move', function(e) {\n                var dropzoneNo = $(e.currentTarget).closest('g').data('dropzoneNo');\n\n                dragDropForm.dropZones[dropzoneNo].handleMove(e);\n            });\n\n            // Drag start on a move handle.\n            previewArea.on('mousedown touchstart', '.dropzone .handle.edit', function(e) {\n                var dropzoneNo = $(e.currentTarget).closest('g').data('dropzoneNo'),\n                    handleIndex = e.currentTarget.getAttribute('data-edit-handle-no');\n\n                dragDropForm.dropZones[dropzoneNo].handleEdit(e, handleIndex, dragDropForm.form.getSvg());\n            });\n        },\n\n        /**\n         * Prevents adding drop zones until the preview background image is ready to load.\n         */\n        waitForFilePickerToInitialise: function() {\n            if (dragDropForm.fp.file('bgimage').href === null) {\n                // It would be better to use an onload or onchange event rather than this timeout.\n                // Unfortunately attempts to do this early are overwritten by filepicker during its loading.\n                setTimeout(dragDropForm.waitForFilePickerToInitialise, 1000);\n                return;\n            }\n\n            // From now on, when a new file gets loaded into the filepicker, update the preview.\n            // This is not in the setupEventHandlers section as it needs to be delayed until\n            // after filepicker's javascript has finished.\n            $('form.mform').on('change', '#id_bgimage', dragDropForm.loadPreviewImage);\n\n            dragDropForm.loadPreviewImage();\n        },\n\n        /**\n         * Loads the preview background image.\n         */\n        loadPreviewImage: function() {\n            $('fieldset#id_previewareaheader .dropbackground')\n                    .one('load', dragDropForm.afterPreviewImageLoaded)\n                    .attr('src', dragDropForm.fp.file('bgimage').href);\n        },\n\n        /**\n         * Functions to run after background image loaded.\n         */\n        afterPreviewImageLoaded: function() {\n            var bgImg = $('fieldset#id_previewareaheader .dropbackground');\n            // Place the dropzone area over the background image (adding one to account for the border).\n            $('#ddm-dropzone').css('position', 'relative').css('top', (bgImg.height() + 1) * -1);\n            $('#ddm-droparea').css('height', bgImg.height() + 20);\n            dragDropForm.updateSvgDisplay();\n        },\n\n        /**\n         * Draws or re-draws all dropzones in the preview area based on form data.\n         * Call this function when there is a change in the form data.\n         */\n        updateSvgDisplay: function() {\n            var bgImg = $('fieldset#id_previewareaheader .dropbackground'),\n                dropzoneNo;\n\n            if (dragDropForm.form.getSvg()) {\n                // Already exists, just need to be updated.\n                for (dropzoneNo = 0; dropzoneNo < dragDropForm.noDropZones; dropzoneNo++) {\n                    dragDropForm.dropZones[dropzoneNo].updateSvgEl();\n                }\n\n            } else {\n                // Create.\n                $('#ddm-dropzone').html('<svg xmlns=\"http://www.w3.org/2000/svg\" class=\"dropzones\" ' +\n                    'width=\"' + bgImg.outerWidth() + '\" ' +\n                    'height=\"' + bgImg.outerHeight() + '\"></svg>');\n                for (dropzoneNo = 0; dropzoneNo < dragDropForm.noDropZones; dropzoneNo++) {\n                    dragDropForm.dropZones[dropzoneNo].addToSvg(dragDropForm.form.getSvg());\n                }\n            }\n        },\n\n        /**\n         * Helper to make it easy to work with form elements with names like \"drops[0][shape]\".\n         */\n        form: {\n            /**\n             * Returns the label text for a marker.\n             * @param {int} markerNo\n             * @returns {string} Marker text\n             */\n            getMarkerText: function(markerNo) {\n                if (Number(markerNo) !== 0) {\n                    var label = dragDropForm.form.getFormValue('drags', [markerNo - 1, 'label']);\n                    return label.replace(new RegExp(\"^\\\\s*(.*)\\\\s*$\"), \"$1\");\n                } else {\n                    return '';\n                }\n            },\n\n            /**\n             * Get the SVG element, if there is one, otherwise return null.\n             *\n             * @returns {SVGElement|null} the SVG element or null.\n             */\n            getSvg: function() {\n                var svg = $('fieldset#id_previewareaheader svg');\n                if (svg.length === 0) {\n                    return null;\n                } else {\n                    return svg[0];\n                }\n            },\n\n            toNameWithIndex: function(name, indexes) {\n                var indexString = name;\n                for (var i = 0; i < indexes.length; i++) {\n                    indexString = indexString + '[' + indexes[i] + ']';\n                }\n                return indexString;\n            },\n\n            getEl: function(name, indexes) {\n                var form = $('form.mform')[0];\n                return form.elements[this.toNameWithIndex(name, indexes)];\n            },\n\n            /**\n             * Helper to get the value of a form elements with name like \"drops[0][shape]\".\n             *\n             * @param {String} name the base name, e.g. 'drops'.\n             * @param {String[]} indexes the indexes, e.g. ['0', 'shape'].\n             * @return {String} the value of that field.\n             */\n            getFormValue: function(name, indexes) {\n                var el = this.getEl(name, indexes);\n                if (el.type === 'checkbox') {\n                    return el.checked;\n                } else {\n                    return el.value;\n                }\n            },\n\n            /**\n             * Helper to get the value of a form elements with name like \"drops[0][shape]\".\n             *\n             * @param {String} name the base name, e.g. 'drops'.\n             * @param {String[]} indexes the indexes, e.g. ['0', 'shape'].\n             * @param {String} value the value to set.\n             */\n            setFormValue: function(name, indexes, value) {\n                var el = this.getEl(name, indexes);\n                if (el.type === 'checkbox') {\n                    el.checked = value;\n                } else {\n                    el.value = value;\n                }\n            }\n        },\n\n        /**\n         * Utility to get the file name and url from the filepicker.\n         * @returns {Object} object containing functions {file, name}\n         */\n        filePickers: function() {\n            var draftItemIdsToName;\n            var nameToParentNode;\n            if (draftItemIdsToName === undefined) {\n                draftItemIdsToName = {};\n                nameToParentNode = {};\n                $('form.mform input.filepickerhidden').each(function(key, filepicker) {\n                    draftItemIdsToName[filepicker.value] = filepicker.name;\n                    nameToParentNode[filepicker.name] = filepicker.parentNode;\n                });\n            }\n            return {\n                file: function(name) {\n                    var fileAnchor = $(nameToParentNode[name]).find('div.filepicker-filelist a');\n                    if (fileAnchor.length) {\n                        return {href: fileAnchor.get(0).href, name: fileAnchor.get(0).innerHTML};\n                    } else {\n                        return {href: null, name: null};\n                    }\n                },\n                name: function(draftitemid) {\n                    return draftItemIdsToName[draftitemid];\n                }\n            };\n        }\n    };\n\n    /**\n     * @alias module:qtype_ddmarker/form\n     */\n    return {\n        /**\n         * Initialise the form javascript features.\n         * @param {Object} maxBgimageSize object with two properties: width and height.\n         */\n        init: dragDropForm.init\n    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\ No newline at end of file
diff --git a/question/type/ddmarker/amd/build/question.min.js b/question/type/ddmarker/amd/build/question.min.js
index aaf8d2e39af..5e6a0636d04 100644
--- a/question/type/ddmarker/amd/build/question.min.js
+++ b/question/type/ddmarker/amd/build/question.min.js
@@ -1,2 +1,11 @@
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span.markertext"+b);if(g.length){if(""!==e.markertext){g.html(e.markertext)}else{g.remove()}}else if(""!==e.markertext){this.getRoot().find("div.markertexts").append("<span class=\""+("markertext markertext"+b)+"\">"+e.markertext+"</span>");var i=this.getRoot().find("div.ddarea div.markertexts span.markertext"+b);if(i.length){var j=f.getHandlePositions(),k=j.moveHandle.x-i.outerWidth()/2-4,l=j.moveHandle.y-i.outerHeight()/2;i.css("left",k).css("top",l);i.data("originX",i.position().left/h).data("originY",i.position().top/h);this.handleElementScale(i,"center")}}var m=f.makeSvg(a[0]);m.setAttribute("class","dropzone "+d);this.shapes[this.shapes.length]=f;this.shapeSVGs[this.shapeSVGs.length]=m};e.prototype.repositionDrags=function(){var b=this.getRoot(),c=this;b.find("div.draghomes .marker").not(".dragplaceholder").each(function(b,c){a(c).addClass("unneeded")});b.find("input.choices").each(function(a,b){var d=c.getChoiceNoFromElement(b),e=c.getCoords(b);if(e.length){var f=c.getRoot().find(".draghomes span.marker.choice"+d).not(".dragplaceholder");f.remove();for(var g=0,h;g<e.length;g++){h=f.clone();h.data("pagex",e[g].x).data("pagey",e[g].y);c.sendDragToDrop(h,!1)}c.getDragClone(f).addClass("active");c.cloneDragIfNeeded(f)}})};e.prototype.getCoords=function(b){var d=[],e=a(b).val();if(""!==e){for(var f=e.split(";"),g=0;g<f.length;g++){d[g]=this.convertToWindowXY(c.Point.parse(f[g]))}}return d};e.prototype.convertToWindowXY=function(a){var b=this.bgImage();return a.offset(b.offset().left+1,b.offset().top+1)};e.prototype.convertToBgImgXY=function(a){var b=this.bgImage();return a.offset(-b.offset().left-1,-b.offset().top-1)};e.prototype.coordsInBgImg=function(a){var b=this.bgImage(),c=b.offset();return a.x>=c.left&&a.x<c.left+b.width()&&a.y>=c.top&&a.y<c.top+b.height()};e.prototype.getRoot=function(){return a(document.getElementById(this.containerId))};e.prototype.bgImage=function(){return this.getRoot().find("img.dropbackground")};e.prototype.handleDragStart=function(c){var d=this,e=a(c.target).closest(".marker"),f=b.prepare(c);if(!f.start){return}e.addClass("beingdragged").css("transform","");var g=!e.hasClass("unneeded");if(!g){var h=d.getDragClone(e);if(h.length){h.addClass("active");e.offset(h.offset())}}b.start(c,e,function(){},function(a,b,c){d.dragEnd(c)})};e.prototype.dragEnd=function(a){var b=!1,d=this.getChoiceNoFromElement(a),e=this.bgRatio(),f;a.data("pagex",a.offset().left).data("pagey",a.offset().top);f=new c.Point(a.data("pagex"),a.data("pagey"));if(this.coordsInBgImg(f)){this.sendDragToDrop(a,!0);b=!0;var g=this.convertToBgImgXY(f);g=new c.Point(g.x/e,g.y/e);a.data("originX",g.x).data("originY",g.y)}if(!b){this.sendDragHome(a);this.removeDragIfNeeded(a)}else{this.cloneDragIfNeeded(a)}this.saveCoordsForChoice(d)};e.prototype.saveCoordsForChoice=function(b){var d=[],e=this.getRoot().find("div.droparea span.marker.choice"+b),f=this,g=this.bgRatio();if(e.length){e.each(function(){var b=a(this);if(!b.hasClass("beingdragged")){var e=new c.Point(b.data("pagex"),b.data("pagey"));if(f.coordsInBgImg(e)){var h=f.convertToBgImgXY(e);h=new c.Point(h.x/g,h.y/g);d[d.length]=h}}})}this.getRoot().find("input.choice"+b).val(d.join(";"))};e.prototype.handleKeyPress=function(b){var e=a(b.target).closest(".marker"),f=new c.Point(e.offset().left,e.offset().top),g=this.getChoiceNoFromElement(e);switch(b.keyCode){case d.arrowLeft:case 65:f.x-=1;break;case d.arrowRight:case 68:f.x+=1;break;case d.arrowDown:case 83:f.y+=1;break;case d.arrowUp:case 87:f.y-=1;break;case d.space:case d.escape:f=null;break;default:return;}b.preventDefault();if(null!==f){f=this.constrainToBgImg(f);e.offset({left:f.x,top:f.y});e.data("pagex",e.offset().left).data("pagey",e.offset().top);var h=this.convertToBgImgXY(new c.Point(e.data("pagex"),e.data("pagey")));e.data("originX",h.x/this.bgRatio()).data("originY",h.y/this.bgRatio());if(this.coordsInBgImg(new c.Point(e.offset().left,e.offset().top))){if(e.hasClass("unneeded")){this.sendDragToDrop(e,!0);var i=this.getDragClone(e);if(i.length){i.addClass("active")}this.cloneDragIfNeeded(e)}}}else{e.css("left","").css("top","");e.data("pagex",e.offset().left).data("pagey",e.offset().top);this.sendDragHome(e);this.removeDragIfNeeded(e)}e.focus();this.saveCoordsForChoice(g)};e.prototype.constrainToBgImg=function(a){var b=this.bgImage(),c=this.convertToBgImgXY(a);c.x=Math.max(0,c.x);c.y=Math.max(0,c.y);c.x=Math.min(b.width(),c.x);c.y=Math.min(b.height(),c.y);return this.convertToWindowXY(c)};e.prototype.getChoiceNoFromElement=function(a){return+this.getClassnameNumericSuffix(a,"choice")};e.prototype.getClassnameNumericSuffix=function(b,c){var d=a(b).attr("class");if(d!==void 0&&""!==d){for(var e=d.split(" "),f=0,g;f<e.length;f++){g=new RegExp("^"+c+"([0-9])+$");if(g.test(e[f])){var h=/([0-9])+$/.exec(e[f]);return+h[0]}}}return null};e.prototype.handleResize=function(){var b=this,c=this.bgRatio();if(this.isPrinting){c=1}this.getRoot().find("div.droparea .marker").not(".beingdragged").each(function(d,e){a(e).css("left",parseFloat(a(e).data("originX"))*parseFloat(c)).css("top",parseFloat(a(e).data("originY"))*parseFloat(c));b.handleElementScale(e,"left top")});this.getRoot().find("div.droparea svg.dropzones").width(this.bgImage().width()).height(this.bgImage().height());for(var d=0;d<this.visibleDropZones.length;d++){var e=b.visibleDropZones[d],f=e.coords,g=b.shapes[d],h=b.shapeSVGs[d];g.parse(f,c);g.updateSvg(h);var i=g.getHandlePositions(),j=this.getRoot().find("div.ddarea div.markertexts span.markertext"+d);j.css("left",i.moveHandle.x-j.outerWidth()/2-4).css("top",i.moveHandle.y-j.outerHeight()/2);b.handleElementScale(j,"center")}};e.prototype.cloneDrags=function(){var b=this;this.getRoot().find("div.draghomes span.marker").each(function(c,d){var e=a(d),f=e.clone();f.removeClass();f.addClass("marker");f.addClass("choice"+b.getChoiceNoFromElement(e));f.addClass(b.getDragNoClass(e,!1));f.addClass("dragplaceholder");e.before(f)})};e.prototype.getDragNo=function(a){return this.getClassnameNumericSuffix(a,"dragno")};e.prototype.getDragNoClass=function(a,b){var c="dragno"+this.getDragNo(a);if(this.isInfiniteDrag(a)){c="infinite"}if(b){return"."+c}return c};e.prototype.getDragClone=function(a){return this.getRoot().find(".draghomes span.marker.choice"+this.getChoiceNoFromElement(a)+this.getDragNoClass(a,!0)+".dragplaceholder")};e.prototype.dropArea=function(){return this.getRoot().find("div.droparea")};e.prototype.sendDragHome=function(a){a.removeClass("beingdragged").addClass("unneeded").css("top","").css("left","").css("transform","");var b=this.getDragClone(a);b.after(a);b.removeClass("active")};e.prototype.sendDragToDrop=function(a,b){var d=this.dropArea(),e=this.bgRatio();a.removeClass("beingdragged").removeClass("unneeded");var f=this.convertToBgImgXY(new c.Point(a.data("pagex"),a.data("pagey")));if(b){a.data("originX",f.x/e).data("originY",f.y/e);a.css("left",f.x).css("top",f.y)}else{a.data("originX",f.x).data("originY",f.y);a.css("left",f.x*e).css("top",f.y*e)}d.append(a);this.handleElementScale(a,"left top")};e.prototype.cloneDragIfNeeded=function(a){var b=this.getInput(a),c=+this.getClassnameNumericSuffix(b,"noofdrags"),d=this.getRoot().find("div.droparea .marker.choice"+this.getChoiceNoFromElement(a)+this.getDragNoClass(a,!0)).length,e=this.getRoot().find("div.draghomes .marker.choice"+this.getChoiceNoFromElement(a)+this.getDragNoClass(a,!0)).not(".dragplaceholder").length;if((this.isInfiniteDrag(a)||!this.isInfiniteDrag(a)&&d<c)&&0===e){var g=a.clone();g.addClass("unneeded").css("top","").css("left","").css("transform","");this.getDragClone(a).removeClass("active").after(g);f.addEventHandlersToMarker(g)}};e.prototype.removeDragIfNeeded=function(a){var b=this.getRoot().find("div.draghomes .marker.choice"+this.getChoiceNoFromElement(a)+this.getDragNoClass(a,!0)).not(".dragplaceholder"),c=b.length;while(1<c){b.first().remove();c--}};e.prototype.getInput=function(a){var b=this.getChoiceNoFromElement(a);return this.getRoot().find("input.choices.choice"+b)};e.prototype.bgRatio=function(){var a=this.bgImage(),b=a.get(0).naturalWidth,c=a.width();return c/b};e.prototype.handleElementScale=function(b,c){var d=parseFloat(this.bgRatio());if(this.isPrinting){d=1}a(b).css({"-webkit-transform":"scale("+d+")","-moz-transform":"scale("+d+")","-ms-transform":"scale("+d+")","-o-transform":"scale("+d+")",transform:"scale("+d+")","transform-origin":c})};e.prototype.isInfiniteDrag=function(a){return a.hasClass("infinite")};var f={eventHandlersInitialised:!1,isPrinting:!1,isKeyboardNavigation:!1,questions:{},init:function init(a,b,c){f.questions[a]=new e(a,b,c);if(!f.eventHandlersInitialised){f.setupEventHandlers();f.eventHandlersInitialised=!0}},setupEventHandlers:function setupEventHandlers(){f.addEventHandlersToMarker(a(".que.ddmarker:not(.qtype_ddmarker-readonly) div.draghomes .marker"));f.addEventHandlersToMarker(a(".que.ddmarker:not(.qtype_ddmarker-readonly) div.droparea .marker"));a(window).on("resize",function(){f.handleWindowResize(!1)});window.addEventListener("beforeprint",function(){f.isPrinting=!0;f.handleWindowResize(f.isPrinting)});window.addEventListener("afterprint",function(){f.isPrinting=!1;f.handleWindowResize(f.isPrinting)});setTimeout(function(){f.fixLayoutIfThingsMoved()},100)},addEventHandlersToMarker:function addEventHandlersToMarker(a){a.on("mousedown touchstart",f.handleDragStart).on("keydown keypress",f.handleKeyPress).focusin(function(a){f.handleKeyboardFocus(a,!0)}).focusout(function(a){f.handleKeyboardFocus(a,!1)})},handleDragStart:function handleDragStart(a){a.preventDefault();var b=f.getQuestionForEvent(a);if(b){b.handleDragStart(a)}},handleKeyPress:function handleKeyPress(a){var b=f.getQuestionForEvent(a);if(b){b.handleKeyPress(a)}},handleWindowResize:function handleWindowResize(a){for(var b in f.questions){if(f.questions.hasOwnProperty(b)){f.questions[b].isPrinting=a;f.questions[b].handleResize()}}},handleKeyboardFocus:function handleKeyboardFocus(a,b){f.isKeyboardNavigation=b},fixLayoutIfThingsMoved:function fixLayoutIfThingsMoved(){if(!f.isKeyboardNavigation){this.handleWindowResize(f.isPrinting)}setTimeout(function(){f.fixLayoutIfThingsMoved(f.isPrinting)},100)},getQuestionForEvent:function getQuestionForEvent(b){var c=a(b.currentTarget).closest(".que.ddmarker").attr("id");return f.questions[c]}};return{init:f.init}});
-//# sourceMappingURL=question.min.js.map
+/**
+ * Question class for drag and drop marker question type, used to support the question and preview pages.
+ *
+ * @package    qtype_ddmarker
+ * @subpackage question
+ * @copyright  2018 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("qtype_ddmarker/question",["jquery","core/dragdrop","qtype_ddmarker/shapes","core/key_codes"],(function($,dragDrop,Shapes,keys){function DragDropMarkersQuestion(containerId,readOnly,visibleDropZones){this.containerId=containerId,this.visibleDropZones=visibleDropZones,this.shapes=[],this.shapeSVGs=[],this.isPrinting=!1,readOnly&&this.getRoot().addClass("qtype_ddmarker-readonly"),this.cloneDrags(),this.repositionDrags(),this.drawDropzones()}DragDropMarkersQuestion.prototype.drawDropzones=function(){if(this.visibleDropZones.length>0){var bgImage=this.bgImage();this.getRoot().find("div.dropzones").html('<svg xmlns="http://www.w3.org/2000/svg" class="dropzones" width="'+bgImage.outerWidth()+'" height="'+bgImage.outerHeight()+'"></svg>');for(var svg=this.getRoot().find("svg.dropzones"),nextColourIndex=0,dropZoneNo=0;dropZoneNo<this.visibleDropZones.length;dropZoneNo++){var colourClass="color"+nextColourIndex;nextColourIndex=(nextColourIndex+1)%8,this.addDropzone(svg,dropZoneNo,colourClass)}}},DragDropMarkersQuestion.prototype.addDropzone=function(svg,dropZoneNo,colourClass){var existingmarkertext,dropZone=this.visibleDropZones[dropZoneNo],shape=Shapes.make(dropZone.shape,""),bgRatio=this.bgRatio();if(shape.parse(dropZone.coords,bgRatio)){if((existingmarkertext=this.getRoot().find("div.markertexts span.markertext"+dropZoneNo)).length)""!==dropZone.markertext?existingmarkertext.html(dropZone.markertext):existingmarkertext.remove();else if(""!==dropZone.markertext){var classnames="markertext markertext"+dropZoneNo;this.getRoot().find("div.markertexts").append('<span class="'+classnames+'">'+dropZone.markertext+"</span>");var markerspan=this.getRoot().find("div.ddarea div.markertexts span.markertext"+dropZoneNo);if(markerspan.length){var handles=shape.getHandlePositions(),positionLeft=handles.moveHandle.x-markerspan.outerWidth()/2-4,positionTop=handles.moveHandle.y-markerspan.outerHeight()/2;markerspan.css("left",positionLeft).css("top",positionTop),markerspan.data("originX",markerspan.position().left/bgRatio).data("originY",markerspan.position().top/bgRatio),this.handleElementScale(markerspan,"center")}}var shapeSVG=shape.makeSvg(svg[0]);shapeSVG.setAttribute("class","dropzone "+colourClass),this.shapes[this.shapes.length]=shape,this.shapeSVGs[this.shapeSVGs.length]=shapeSVG}},DragDropMarkersQuestion.prototype.repositionDrags=function(){var root=this.getRoot(),thisQ=this;root.find("div.draghomes .marker").not(".dragplaceholder").each((function(key,item){$(item).addClass("unneeded")})),root.find("input.choices").each((function(key,input){var choiceNo=thisQ.getChoiceNoFromElement(input),coords=thisQ.getCoords(input);if(coords.length){var drag=thisQ.getRoot().find(".draghomes span.marker.choice"+choiceNo).not(".dragplaceholder");drag.remove();for(var i=0;i<coords.length;i++){var dragInDrop=drag.clone();dragInDrop.data("pagex",coords[i].x).data("pagey",coords[i].y),thisQ.sendDragToDrop(dragInDrop,!1)}thisQ.getDragClone(drag).addClass("active"),thisQ.cloneDragIfNeeded(drag)}}))},DragDropMarkersQuestion.prototype.getCoords=function(inputNode){var coords=[],val=$(inputNode).val();if(""!==val)for(var coordsStrings=val.split(";"),i=0;i<coordsStrings.length;i++)coords[i]=this.convertToWindowXY(Shapes.Point.parse(coordsStrings[i]));return coords},DragDropMarkersQuestion.prototype.convertToWindowXY=function(point){var bgImage=this.bgImage();return point.offset(bgImage.offset().left+1,bgImage.offset().top+1)},DragDropMarkersQuestion.prototype.convertToBgImgXY=function(point){var bgImage=this.bgImage();return point.offset(-bgImage.offset().left-1,-bgImage.offset().top-1)},DragDropMarkersQuestion.prototype.coordsInBgImg=function(point){var bgImage=this.bgImage(),bgPosition=bgImage.offset();return point.x>=bgPosition.left&&point.x<bgPosition.left+bgImage.width()&&point.y>=bgPosition.top&&point.y<bgPosition.top+bgImage.height()},DragDropMarkersQuestion.prototype.getRoot=function(){return $(document.getElementById(this.containerId))},DragDropMarkersQuestion.prototype.bgImage=function(){return this.getRoot().find("img.dropbackground")},DragDropMarkersQuestion.prototype.handleDragStart=function(e){var thisQ=this,dragged=$(e.target).closest(".marker");if(dragDrop.prepare(e).start){if(dragged.addClass("beingdragged").css("transform",""),!!dragged.hasClass("unneeded")){var hiddenDrag=thisQ.getDragClone(dragged);hiddenDrag.length&&(hiddenDrag.addClass("active"),dragged.offset(hiddenDrag.offset()))}dragDrop.start(e,dragged,(function(){}),(function(x,y,dragged){thisQ.dragEnd(dragged)}))}},DragDropMarkersQuestion.prototype.dragEnd=function(dragged){var dragXY,placed=!1,choiceNo=this.getChoiceNoFromElement(dragged),bgRatio=this.bgRatio();if(dragged.data("pagex",dragged.offset().left).data("pagey",dragged.offset().top),dragXY=new Shapes.Point(dragged.data("pagex"),dragged.data("pagey")),this.coordsInBgImg(dragXY)){this.sendDragToDrop(dragged,!0),placed=!0;var bgImgXY=this.convertToBgImgXY(dragXY);bgImgXY=new Shapes.Point(bgImgXY.x/bgRatio,bgImgXY.y/bgRatio),dragged.data("originX",bgImgXY.x).data("originY",bgImgXY.y)}placed?this.cloneDragIfNeeded(dragged):(this.sendDragHome(dragged),this.removeDragIfNeeded(dragged)),this.saveCoordsForChoice(choiceNo)},DragDropMarkersQuestion.prototype.saveCoordsForChoice=function(choiceNo){var coords=[],items=this.getRoot().find("div.droparea span.marker.choice"+choiceNo),thiQ=this,bgRatio=this.bgRatio();items.length&&items.each((function(){var drag=$(this);if(!drag.hasClass("beingdragged")){var dragXY=new Shapes.Point(drag.data("pagex"),drag.data("pagey"));if(thiQ.coordsInBgImg(dragXY)){var bgImgXY=thiQ.convertToBgImgXY(dragXY);bgImgXY=new Shapes.Point(bgImgXY.x/bgRatio,bgImgXY.y/bgRatio),coords[coords.length]=bgImgXY}}})),this.getRoot().find("input.choice"+choiceNo).val(coords.join(";"))},DragDropMarkersQuestion.prototype.handleKeyPress=function(e){var drag=$(e.target).closest(".marker"),point=new Shapes.Point(drag.offset().left,drag.offset().top),choiceNo=this.getChoiceNoFromElement(drag);switch(e.keyCode){case keys.arrowLeft:case 65:point.x-=1;break;case keys.arrowRight:case 68:point.x+=1;break;case keys.arrowDown:case 83:point.y+=1;break;case keys.arrowUp:case 87:point.y-=1;break;case keys.space:case keys.escape:point=null;break;default:return}if(e.preventDefault(),null!==point){point=this.constrainToBgImg(point),drag.offset({left:point.x,top:point.y}),drag.data("pagex",drag.offset().left).data("pagey",drag.offset().top);var dragXY=this.convertToBgImgXY(new Shapes.Point(drag.data("pagex"),drag.data("pagey")));if(drag.data("originX",dragXY.x/this.bgRatio()).data("originY",dragXY.y/this.bgRatio()),this.coordsInBgImg(new Shapes.Point(drag.offset().left,drag.offset().top))&&drag.hasClass("unneeded")){this.sendDragToDrop(drag,!0);var hiddenDrag=this.getDragClone(drag);hiddenDrag.length&&hiddenDrag.addClass("active"),this.cloneDragIfNeeded(drag)}}else drag.css("left","").css("top",""),drag.data("pagex",drag.offset().left).data("pagey",drag.offset().top),this.sendDragHome(drag),this.removeDragIfNeeded(drag);drag.focus(),this.saveCoordsForChoice(choiceNo)},DragDropMarkersQuestion.prototype.constrainToBgImg=function(windowxy){var bgImg=this.bgImage(),bgImgXY=this.convertToBgImgXY(windowxy);return bgImgXY.x=Math.max(0,bgImgXY.x),bgImgXY.y=Math.max(0,bgImgXY.y),bgImgXY.x=Math.min(bgImg.width(),bgImgXY.x),bgImgXY.y=Math.min(bgImg.height(),bgImgXY.y),this.convertToWindowXY(bgImgXY)},DragDropMarkersQuestion.prototype.getChoiceNoFromElement=function(node){return Number(this.getClassnameNumericSuffix(node,"choice"))},DragDropMarkersQuestion.prototype.getClassnameNumericSuffix=function(node,prefix){var classes=$(node).attr("class");if(void 0!==classes&&""!==classes)for(var classesarr=classes.split(" "),index=0;index<classesarr.length;index++){if(new RegExp("^"+prefix+"([0-9])+$").test(classesarr[index])){var match=new RegExp("([0-9])+$").exec(classesarr[index]);return Number(match[0])}}return null},DragDropMarkersQuestion.prototype.handleResize=function(){var thisQ=this,bgRatio=this.bgRatio();this.isPrinting&&(bgRatio=1),this.getRoot().find("div.droparea .marker").not(".beingdragged").each((function(key,drag){$(drag).css("left",parseFloat($(drag).data("originX"))*parseFloat(bgRatio)).css("top",parseFloat($(drag).data("originY"))*parseFloat(bgRatio)),thisQ.handleElementScale(drag,"left top")})),this.getRoot().find("div.droparea svg.dropzones").width(this.bgImage().width()).height(this.bgImage().height());for(var dropZoneNo=0;dropZoneNo<this.visibleDropZones.length;dropZoneNo++){var originCoords=thisQ.visibleDropZones[dropZoneNo].coords,shape=thisQ.shapes[dropZoneNo],shapeSVG=thisQ.shapeSVGs[dropZoneNo];shape.parse(originCoords,bgRatio),shape.updateSvg(shapeSVG);var handles=shape.getHandlePositions(),markerSpan=this.getRoot().find("div.ddarea div.markertexts span.markertext"+dropZoneNo);markerSpan.css("left",handles.moveHandle.x-markerSpan.outerWidth()/2-4).css("top",handles.moveHandle.y-markerSpan.outerHeight()/2),thisQ.handleElementScale(markerSpan,"center")}},DragDropMarkersQuestion.prototype.cloneDrags=function(){var thisQ=this;this.getRoot().find("div.draghomes span.marker").each((function(index,draghome){var drag=$(draghome),placeHolder=drag.clone();placeHolder.removeClass(),placeHolder.addClass("marker"),placeHolder.addClass("choice"+thisQ.getChoiceNoFromElement(drag)),placeHolder.addClass(thisQ.getDragNoClass(drag,!1)),placeHolder.addClass("dragplaceholder"),drag.before(placeHolder)}))},DragDropMarkersQuestion.prototype.getDragNo=function(drag){return this.getClassnameNumericSuffix(drag,"dragno")},DragDropMarkersQuestion.prototype.getDragNoClass=function(drag,includeSelector){var className="dragno"+this.getDragNo(drag);return this.isInfiniteDrag(drag)&&(className="infinite"),includeSelector?"."+className:className},DragDropMarkersQuestion.prototype.getDragClone=function(drag){return this.getRoot().find(".draghomes span.marker.choice"+this.getChoiceNoFromElement(drag)+this.getDragNoClass(drag,!0)+".dragplaceholder")},DragDropMarkersQuestion.prototype.dropArea=function(){return this.getRoot().find("div.droparea")},DragDropMarkersQuestion.prototype.sendDragHome=function(drag){drag.removeClass("beingdragged").addClass("unneeded").css("top","").css("left","").css("transform","");var placeHolder=this.getDragClone(drag);placeHolder.after(drag),placeHolder.removeClass("active")},DragDropMarkersQuestion.prototype.sendDragToDrop=function(drag,isScaling){var dropArea=this.dropArea(),bgRatio=this.bgRatio();drag.removeClass("beingdragged").removeClass("unneeded");var dragXY=this.convertToBgImgXY(new Shapes.Point(drag.data("pagex"),drag.data("pagey")));isScaling?(drag.data("originX",dragXY.x/bgRatio).data("originY",dragXY.y/bgRatio),drag.css("left",dragXY.x).css("top",dragXY.y)):(drag.data("originX",dragXY.x).data("originY",dragXY.y),drag.css("left",dragXY.x*bgRatio).css("top",dragXY.y*bgRatio)),dropArea.append(drag),this.handleElementScale(drag,"left top")},DragDropMarkersQuestion.prototype.cloneDragIfNeeded=function(drag){var inputNode=this.getInput(drag),noOfDrags=Number(this.getClassnameNumericSuffix(inputNode,"noofdrags")),displayedDragsInDropArea=this.getRoot().find("div.droparea .marker.choice"+this.getChoiceNoFromElement(drag)+this.getDragNoClass(drag,!0)).length,displayedDragsInDragHomes=this.getRoot().find("div.draghomes .marker.choice"+this.getChoiceNoFromElement(drag)+this.getDragNoClass(drag,!0)).not(".dragplaceholder").length;if((this.isInfiniteDrag(drag)||!this.isInfiniteDrag(drag)&&displayedDragsInDropArea<noOfDrags)&&0===displayedDragsInDragHomes){var dragClone=drag.clone();dragClone.addClass("unneeded").css("top","").css("left","").css("transform",""),this.getDragClone(drag).removeClass("active").after(dragClone),questionManager.addEventHandlersToMarker(dragClone)}},DragDropMarkersQuestion.prototype.removeDragIfNeeded=function(drag){for(var dragsInHome=this.getRoot().find("div.draghomes .marker.choice"+this.getChoiceNoFromElement(drag)+this.getDragNoClass(drag,!0)).not(".dragplaceholder"),displayedDrags=dragsInHome.length;displayedDrags>1;)dragsInHome.first().remove(),displayedDrags--},DragDropMarkersQuestion.prototype.getInput=function(drag){var choiceNo=this.getChoiceNoFromElement(drag);return this.getRoot().find("input.choices.choice"+choiceNo)},DragDropMarkersQuestion.prototype.bgRatio=function(){var bgImg=this.bgImage(),bgImgNaturalWidth=bgImg.get(0).naturalWidth;return bgImg.width()/bgImgNaturalWidth},DragDropMarkersQuestion.prototype.handleElementScale=function(element,type){var bgRatio=parseFloat(this.bgRatio());this.isPrinting&&(bgRatio=1),$(element).css({"-webkit-transform":"scale("+bgRatio+")","-moz-transform":"scale("+bgRatio+")","-ms-transform":"scale("+bgRatio+")","-o-transform":"scale("+bgRatio+")",transform:"scale("+bgRatio+")","transform-origin":type})},DragDropMarkersQuestion.prototype.isInfiniteDrag=function(drag){return drag.hasClass("infinite")};var questionManager={eventHandlersInitialised:!1,isPrinting:!1,isKeyboardNavigation:!1,questions:{},init:function(containerId,readOnly,visibleDropZones){questionManager.questions[containerId]=new DragDropMarkersQuestion(containerId,readOnly,visibleDropZones),questionManager.eventHandlersInitialised||(questionManager.setupEventHandlers(),questionManager.eventHandlersInitialised=!0)},setupEventHandlers:function(){questionManager.addEventHandlersToMarker($(".que.ddmarker:not(.qtype_ddmarker-readonly) div.draghomes .marker")),questionManager.addEventHandlersToMarker($(".que.ddmarker:not(.qtype_ddmarker-readonly) div.droparea 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question=questionManager.getQuestionForEvent(e);question&&question.handleKeyPress(e)},handleWindowResize:function(isPrinting){for(var containerId in questionManager.questions)questionManager.questions.hasOwnProperty(containerId)&&(questionManager.questions[containerId].isPrinting=isPrinting,questionManager.questions[containerId].handleResize())},handleKeyboardFocus:function(e,isNavigating){questionManager.isKeyboardNavigation=isNavigating},fixLayoutIfThingsMoved:function(){questionManager.isKeyboardNavigation||this.handleWindowResize(questionManager.isPrinting),setTimeout((function(){questionManager.fixLayoutIfThingsMoved(questionManager.isPrinting)}),100)},getQuestionForEvent:function(e){var containerId=$(e.currentTarget).closest(".que.ddmarker").attr("id");return questionManager.questions[containerId]}};return{init:questionManager.init}}));
+
+//# sourceMappingURL=question.min.js.map
\ No newline at end of file
diff --git a/question/type/ddmarker/amd/build/question.min.js.map b/question/type/ddmarker/amd/build/question.min.js.map
index fa7d5683d38..19dbe155e89 100644
--- a/question/type/ddmarker/amd/build/question.min.js.map
+++ b/question/type/ddmarker/amd/build/question.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Question class for drag and drop marker question type, used to support the question and preview pages.\n *\n * @package    qtype_ddmarker\n * @subpackage question\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/dragdrop', 'qtype_ddmarker/shapes', 'core/key_codes'], function($, dragDrop, Shapes, keys) {\n\n    \"use strict\";\n\n    /**\n     * Object to handle one drag-drop markers question.\n     *\n     * @param {String} containerId id of the outer div for this question.\n     * @param {boolean} readOnly whether the question is being displayed read-only.\n     * @param {Object[]} visibleDropZones the geometry of any drop-zones to show.\n     *      Objects have fields shape, coords and markertext.\n     * @constructor\n     */\n    function DragDropMarkersQuestion(containerId, readOnly, visibleDropZones) {\n        var thisQ = this;\n        this.containerId = containerId;\n        this.visibleDropZones = visibleDropZones;\n        this.shapes = [];\n        this.shapeSVGs = [];\n        this.isPrinting = false;\n        if (readOnly) {\n            this.getRoot().addClass('qtype_ddmarker-readonly');\n        }\n        thisQ.cloneDrags();\n        thisQ.repositionDrags();\n        thisQ.drawDropzones();\n    }\n\n    /**\n     * Draws the svg shapes of any drop zones that should be visible for feedback purposes.\n     */\n    DragDropMarkersQuestion.prototype.drawDropzones = function() {\n        if (this.visibleDropZones.length > 0) {\n            var bgImage = this.bgImage();\n\n            this.getRoot().find('div.dropzones').html('<svg xmlns=\"http://www.w3.org/2000/svg\" class=\"dropzones\" ' +\n                'width=\"' + bgImage.outerWidth() + '\" ' +\n                'height=\"' + bgImage.outerHeight() + '\"></svg>');\n            var svg = this.getRoot().find('svg.dropzones');\n\n            var nextColourIndex = 0;\n            for (var dropZoneNo = 0; dropZoneNo < this.visibleDropZones.length; dropZoneNo++) {\n                var colourClass = 'color' + nextColourIndex;\n                nextColourIndex = (nextColourIndex + 1) % 8;\n                this.addDropzone(svg, dropZoneNo, colourClass);\n            }\n        }\n    };\n\n    /**\n     * Adds a dropzone shape with colour, coords and link provided to the array of shapes.\n     *\n     * @param {jQuery} svg the SVG image to which to add this drop zone.\n     * @param {int} dropZoneNo which drop-zone to add.\n     * @param {string} colourClass class name\n     */\n    DragDropMarkersQuestion.prototype.addDropzone = function(svg, dropZoneNo, colourClass) {\n        var dropZone = this.visibleDropZones[dropZoneNo],\n            shape = Shapes.make(dropZone.shape, ''),\n            existingmarkertext,\n            bgRatio = this.bgRatio();\n        if (!shape.parse(dropZone.coords, bgRatio)) {\n            return;\n        }\n\n        existingmarkertext = this.getRoot().find('div.markertexts span.markertext' + dropZoneNo);\n        if (existingmarkertext.length) {\n            if (dropZone.markertext !== '') {\n                existingmarkertext.html(dropZone.markertext);\n            } else {\n                existingmarkertext.remove();\n            }\n        } else if (dropZone.markertext !== '') {\n            var classnames = 'markertext markertext' + dropZoneNo;\n            this.getRoot().find('div.markertexts').append('<span class=\"' + classnames + '\">' +\n                dropZone.markertext + '</span>');\n            var markerspan = this.getRoot().find('div.ddarea div.markertexts span.markertext' + dropZoneNo);\n            if (markerspan.length) {\n                var handles = shape.getHandlePositions();\n                var positionLeft = handles.moveHandle.x - (markerspan.outerWidth() / 2) - 4;\n                var positionTop = handles.moveHandle.y - (markerspan.outerHeight() / 2);\n                markerspan\n                    .css('left', positionLeft)\n                    .css('top', positionTop);\n                markerspan\n                    .data('originX', markerspan.position().left / bgRatio)\n                    .data('originY', markerspan.position().top / bgRatio);\n                this.handleElementScale(markerspan, 'center');\n            }\n        }\n\n        var shapeSVG = shape.makeSvg(svg[0]);\n        shapeSVG.setAttribute('class', 'dropzone ' + colourClass);\n\n        this.shapes[this.shapes.length] = shape;\n        this.shapeSVGs[this.shapeSVGs.length] = shapeSVG;\n    };\n\n    /**\n     * Draws the drag items on the page (and drop zones if required).\n     * The idea is to re-draw all the drags and drops whenever there is a change\n     * like a widow resize or an item dropped in place.\n     */\n    DragDropMarkersQuestion.prototype.repositionDrags = function() {\n        var root = this.getRoot(),\n            thisQ = this;\n\n        root.find('div.draghomes .marker').not('.dragplaceholder').each(function(key, item) {\n            $(item).addClass('unneeded');\n        });\n\n        root.find('input.choices').each(function(key, input) {\n            var choiceNo = thisQ.getChoiceNoFromElement(input),\n                coords = thisQ.getCoords(input);\n            if (coords.length) {\n                var drag = thisQ.getRoot().find('.draghomes' + ' span.marker' + '.choice' + choiceNo).not('.dragplaceholder');\n                drag.remove();\n                for (var i = 0; i < coords.length; i++) {\n                    var dragInDrop = drag.clone();\n                    dragInDrop.data('pagex', coords[i].x).data('pagey', coords[i].y);\n                    thisQ.sendDragToDrop(dragInDrop, false);\n                }\n                thisQ.getDragClone(drag).addClass('active');\n                thisQ.cloneDragIfNeeded(drag);\n            }\n        });\n    };\n\n    /**\n     * Determine what drag items need to be shown and\n     * return coords of all drag items except any that are currently being dragged\n     * based on contents of hidden inputs and whether drags are 'infinite' or how many\n     * drags should be shown.\n     *\n     * @param {jQuery} inputNode\n     * @returns {Point[]} coordinates of however many copies of the drag item should be shown.\n     */\n    DragDropMarkersQuestion.prototype.getCoords = function(inputNode) {\n        var coords = [],\n            val = $(inputNode).val();\n        if (val !== '') {\n            var coordsStrings = val.split(';');\n            for (var i = 0; i < coordsStrings.length; i++) {\n                coords[i] = this.convertToWindowXY(Shapes.Point.parse(coordsStrings[i]));\n            }\n        }\n        return coords;\n    };\n\n    /**\n     * Converts the relative x and y position coordinates into\n     * absolute x and y position coordinates.\n     *\n     * @param {Point} point relative to the background image.\n     * @returns {Point} point relative to the page.\n     */\n    DragDropMarkersQuestion.prototype.convertToWindowXY = function(point) {\n        var bgImage = this.bgImage();\n        // The +1 seems rather odd, but seems to give the best results in\n        // the three main browsers at a range of zoom levels.\n        // (Its due to the 1px border around the image, that shifts the\n        // image pixels by 1 down and to the left.)\n        return point.offset(bgImage.offset().left + 1, bgImage.offset().top + 1);\n    };\n\n    /**\n     * Utility function converting window coordinates to relative to the\n     * background image coordinates.\n     *\n     * @param {Point} point relative to the page.\n     * @returns {Point} point relative to the background image.\n     */\n    DragDropMarkersQuestion.prototype.convertToBgImgXY = function(point) {\n        var bgImage = this.bgImage();\n        return point.offset(-bgImage.offset().left - 1, -bgImage.offset().top - 1);\n    };\n\n    /**\n     * Is the point within the background image?\n     *\n     * @param {Point} point relative to the BG image.\n     * @return {boolean} true it they are.\n     */\n    DragDropMarkersQuestion.prototype.coordsInBgImg = function(point) {\n        var bgImage = this.bgImage();\n        var bgPosition = bgImage.offset();\n\n        return point.x >= bgPosition.left && point.x < bgPosition.left + bgImage.width()\n            && point.y >= bgPosition.top && point.y < bgPosition.top + bgImage.height();\n    };\n\n    /**\n     * Get the outer div for this question.\n     * @returns {jQuery} containing that div.\n     */\n    DragDropMarkersQuestion.prototype.getRoot = function() {\n        return $(document.getElementById(this.containerId));\n    };\n\n    /**\n     * Get the img that is the background image.\n     * @returns {jQuery} containing that img.\n     */\n    DragDropMarkersQuestion.prototype.bgImage = function() {\n        return this.getRoot().find('img.dropbackground');\n    };\n\n    DragDropMarkersQuestion.prototype.handleDragStart = function(e) {\n        var thisQ = this,\n            dragged = $(e.target).closest('.marker');\n\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        dragged.addClass('beingdragged').css('transform', '');\n\n        var placed = !dragged.hasClass('unneeded');\n        if (!placed) {\n            var hiddenDrag = thisQ.getDragClone(dragged);\n            if (hiddenDrag.length) {\n                hiddenDrag.addClass('active');\n                dragged.offset(hiddenDrag.offset());\n            }\n        }\n\n        dragDrop.start(e, dragged, function() {\n            void (1);\n        }, function(x, y, dragged) {\n            thisQ.dragEnd(dragged);\n        });\n    };\n\n    /**\n     * Functionality at the end of a drag drop.\n     * @param {jQuery} dragged the marker that was dragged.\n     */\n    DragDropMarkersQuestion.prototype.dragEnd = function(dragged) {\n        var placed = false,\n            choiceNo = this.getChoiceNoFromElement(dragged),\n            bgRatio = this.bgRatio(),\n            dragXY;\n\n        dragged.data('pagex', dragged.offset().left).data('pagey', dragged.offset().top);\n        dragXY = new Shapes.Point(dragged.data('pagex'), dragged.data('pagey'));\n        if (this.coordsInBgImg(dragXY)) {\n            this.sendDragToDrop(dragged, true);\n            placed = true;\n\n            // It seems that the dragdrop sometimes leaves the drag\n            // one pixel out of position. Put it in exactly the right place.\n            var bgImgXY = this.convertToBgImgXY(dragXY);\n            bgImgXY = new Shapes.Point(bgImgXY.x / bgRatio, bgImgXY.y / bgRatio);\n            dragged.data('originX', bgImgXY.x).data('originY', bgImgXY.y);\n        }\n\n        if (!placed) {\n            this.sendDragHome(dragged);\n            this.removeDragIfNeeded(dragged);\n        } else {\n            this.cloneDragIfNeeded(dragged);\n        }\n\n        this.saveCoordsForChoice(choiceNo);\n    };\n\n    /**\n     * Save the coordinates for a dropped item in the form field.\n     * @param {Number} choiceNo which copy of the choice this was.\n     */\n    DragDropMarkersQuestion.prototype.saveCoordsForChoice = function(choiceNo) {\n        var coords = [],\n            items = this.getRoot().find('div.droparea span.marker.choice' + choiceNo),\n            thiQ = this,\n            bgRatio = this.bgRatio();\n\n        if (items.length) {\n            items.each(function() {\n                var drag = $(this);\n                if (!drag.hasClass('beingdragged')) {\n                    var dragXY = new Shapes.Point(drag.data('pagex'), drag.data('pagey'));\n                    if (thiQ.coordsInBgImg(dragXY)) {\n                        var bgImgXY = thiQ.convertToBgImgXY(dragXY);\n                        bgImgXY = new Shapes.Point(bgImgXY.x / bgRatio, bgImgXY.y / bgRatio);\n                        coords[coords.length] = bgImgXY;\n                    }\n                }\n            });\n        }\n\n        this.getRoot().find('input.choice' + choiceNo).val(coords.join(';'));\n    };\n\n    /**\n     * Handle key down / press events on markers.\n     * @param {KeyboardEvent} e\n     */\n    DragDropMarkersQuestion.prototype.handleKeyPress = function(e) {\n        var drag = $(e.target).closest('.marker'),\n            point = new Shapes.Point(drag.offset().left, drag.offset().top),\n            choiceNo = this.getChoiceNoFromElement(drag);\n\n        switch (e.keyCode) {\n            case keys.arrowLeft:\n            case 65: // A.\n                point.x -= 1;\n                break;\n            case keys.arrowRight:\n            case 68: // D.\n                point.x += 1;\n                break;\n            case keys.arrowDown:\n            case 83: // S.\n                point.y += 1;\n                break;\n            case keys.arrowUp:\n            case 87: // W.\n                point.y -= 1;\n                break;\n            case keys.space:\n            case keys.escape:\n                point = null;\n                break;\n            default:\n                return; // Ingore other keys.\n        }\n        e.preventDefault();\n\n        if (point !== null) {\n            point = this.constrainToBgImg(point);\n            drag.offset({'left': point.x, 'top': point.y});\n            drag.data('pagex', drag.offset().left).data('pagey', drag.offset().top);\n            var dragXY = this.convertToBgImgXY(new Shapes.Point(drag.data('pagex'), drag.data('pagey')));\n            drag.data('originX', dragXY.x / this.bgRatio()).data('originY', dragXY.y / this.bgRatio());\n            if (this.coordsInBgImg(new Shapes.Point(drag.offset().left, drag.offset().top))) {\n                if (drag.hasClass('unneeded')) {\n                    this.sendDragToDrop(drag, true);\n                    var hiddenDrag = this.getDragClone(drag);\n                    if (hiddenDrag.length) {\n                        hiddenDrag.addClass('active');\n                    }\n                    this.cloneDragIfNeeded(drag);\n                }\n            }\n        } else {\n            drag.css('left', '').css('top', '');\n            drag.data('pagex', drag.offset().left).data('pagey', drag.offset().top);\n            this.sendDragHome(drag);\n            this.removeDragIfNeeded(drag);\n        }\n        drag.focus();\n        this.saveCoordsForChoice(choiceNo);\n    };\n\n    /**\n     * Makes sure the dragged item always exists within the background image area.\n     *\n     * @param {Point} windowxy\n     * @returns {Point} coordinates\n     */\n    DragDropMarkersQuestion.prototype.constrainToBgImg = function(windowxy) {\n        var bgImg = this.bgImage(),\n            bgImgXY = this.convertToBgImgXY(windowxy);\n        bgImgXY.x = Math.max(0, bgImgXY.x);\n        bgImgXY.y = Math.max(0, bgImgXY.y);\n        bgImgXY.x = Math.min(bgImg.width(), bgImgXY.x);\n        bgImgXY.y = Math.min(bgImg.height(), bgImgXY.y);\n        return this.convertToWindowXY(bgImgXY);\n    };\n\n    /**\n     * Returns the choice number for a node.\n     *\n     * @param {Element|jQuery} node\n     * @returns {Number}\n     */\n    DragDropMarkersQuestion.prototype.getChoiceNoFromElement = function(node) {\n        return Number(this.getClassnameNumericSuffix(node, 'choice'));\n    };\n\n    /**\n     * Returns the numeric part of a class with the given prefix.\n     *\n     * @param {Element|jQuery} node\n     * @param {String} prefix\n     * @returns {Number|null}\n     */\n    DragDropMarkersQuestion.prototype.getClassnameNumericSuffix = function(node, prefix) {\n        var classes = $(node).attr('class');\n        if (classes !== undefined && classes !== '') {\n            var classesarr = classes.split(' ');\n            for (var index = 0; index < classesarr.length; index++) {\n                var patt1 = new RegExp('^' + prefix + '([0-9])+$');\n                if (patt1.test(classesarr[index])) {\n                    var patt2 = new RegExp('([0-9])+$');\n                    var match = patt2.exec(classesarr[index]);\n                    return Number(match[0]);\n                }\n            }\n        }\n        return null;\n    };\n\n    /**\n     * Handle when the window is resized.\n     */\n    DragDropMarkersQuestion.prototype.handleResize = function() {\n        var thisQ = this,\n            bgRatio = this.bgRatio();\n        if (this.isPrinting) {\n            bgRatio = 1;\n        }\n\n        this.getRoot().find('div.droparea .marker').not('.beingdragged').each(function(key, drag) {\n            $(drag)\n                .css('left', parseFloat($(drag).data('originX')) * parseFloat(bgRatio))\n                .css('top', parseFloat($(drag).data('originY')) * parseFloat(bgRatio));\n            thisQ.handleElementScale(drag, 'left top');\n        });\n\n        this.getRoot().find('div.droparea svg.dropzones')\n            .width(this.bgImage().width())\n            .height(this.bgImage().height());\n\n        for (var dropZoneNo = 0; dropZoneNo < this.visibleDropZones.length; dropZoneNo++) {\n            var dropZone = thisQ.visibleDropZones[dropZoneNo];\n            var originCoords = dropZone.coords;\n            var shape = thisQ.shapes[dropZoneNo];\n            var shapeSVG = thisQ.shapeSVGs[dropZoneNo];\n            shape.parse(originCoords, bgRatio);\n            shape.updateSvg(shapeSVG);\n\n            var handles = shape.getHandlePositions();\n            var markerSpan = this.getRoot().find('div.ddarea div.markertexts span.markertext' + dropZoneNo);\n            markerSpan\n                .css('left', handles.moveHandle.x - (markerSpan.outerWidth() / 2) - 4)\n                .css('top', handles.moveHandle.y - (markerSpan.outerHeight() / 2));\n            thisQ.handleElementScale(markerSpan, 'center');\n        }\n    };\n\n    /**\n     * Clone the drag.\n     */\n    DragDropMarkersQuestion.prototype.cloneDrags = function() {\n        var thisQ = this;\n        this.getRoot().find('div.draghomes span.marker').each(function(index, draghome) {\n            var drag = $(draghome);\n            var placeHolder = drag.clone();\n            placeHolder.removeClass();\n            placeHolder.addClass('marker');\n            placeHolder.addClass('choice' + thisQ.getChoiceNoFromElement(drag));\n            placeHolder.addClass(thisQ.getDragNoClass(drag, false));\n            placeHolder.addClass('dragplaceholder');\n            drag.before(placeHolder);\n        });\n    };\n\n    /**\n     * Get the drag number of a drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {Number} the drag number.\n     */\n    DragDropMarkersQuestion.prototype.getDragNo = function(drag) {\n        return this.getClassnameNumericSuffix(drag, 'dragno');\n    };\n\n    /**\n     * Get the drag number prefix of a drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Boolean} includeSelector include the CSS selector prefix or not.\n     * @return {String} Class name\n     */\n    DragDropMarkersQuestion.prototype.getDragNoClass = function(drag, includeSelector) {\n        var className = 'dragno' + this.getDragNo(drag);\n        if (this.isInfiniteDrag(drag)) {\n            className = 'infinite';\n        }\n\n        if (includeSelector) {\n            return '.' + className;\n        }\n\n        return className;\n    };\n\n    /**\n     * Get drag clone for a given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {jQuery} the drag's clone.\n     */\n    DragDropMarkersQuestion.prototype.getDragClone = function(drag) {\n        return this.getRoot().find('.draghomes' + ' span.marker' +\n            '.choice' + this.getChoiceNoFromElement(drag) + this.getDragNoClass(drag, true) + '.dragplaceholder');\n    };\n\n    /**\n     * Get the drop area element.\n     * @returns {jQuery} droparea element.\n     */\n    DragDropMarkersQuestion.prototype.dropArea = function() {\n        return this.getRoot().find('div.droparea');\n    };\n\n    /**\n     * Animate a drag back to its home.\n     *\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropMarkersQuestion.prototype.sendDragHome = function(drag) {\n        drag.removeClass('beingdragged')\n            .addClass('unneeded')\n            .css('top', '')\n            .css('left', '')\n            .css('transform', '');\n        var placeHolder = this.getDragClone(drag);\n        placeHolder.after(drag);\n        placeHolder.removeClass('active');\n    };\n\n    /**\n     * Animate a drag item into a given place.\n     *\n     * @param {jQuery} drag the item to place.\n     * @param {boolean} isScaling Scaling or not\n     */\n    DragDropMarkersQuestion.prototype.sendDragToDrop = function(drag, isScaling) {\n        var dropArea = this.dropArea(),\n            bgRatio = this.bgRatio();\n        drag.removeClass('beingdragged').removeClass('unneeded');\n        var dragXY = this.convertToBgImgXY(new Shapes.Point(drag.data('pagex'), drag.data('pagey')));\n        if (isScaling) {\n            drag.data('originX', dragXY.x / bgRatio).data('originY', dragXY.y / bgRatio);\n            drag.css('left', dragXY.x).css('top', dragXY.y);\n        } else {\n            drag.data('originX', dragXY.x).data('originY', dragXY.y);\n            drag.css('left', dragXY.x * bgRatio).css('top', dragXY.y * bgRatio);\n        }\n        dropArea.append(drag);\n        this.handleElementScale(drag, 'left top');\n    };\n\n    /**\n     * Clone the drag at the draghome area if needed.\n     *\n     * @param {jQuery} drag the item to place.\n     */\n    DragDropMarkersQuestion.prototype.cloneDragIfNeeded = function(drag) {\n        var inputNode = this.getInput(drag),\n            noOfDrags = Number(this.getClassnameNumericSuffix(inputNode, 'noofdrags')),\n            displayedDragsInDropArea = this.getRoot().find('div.droparea .marker.choice' +\n                this.getChoiceNoFromElement(drag) + this.getDragNoClass(drag, true)).length,\n            displayedDragsInDragHomes = this.getRoot().find('div.draghomes .marker.choice' +\n                this.getChoiceNoFromElement(drag) + this.getDragNoClass(drag, true)).not('.dragplaceholder').length;\n\n        if ((this.isInfiniteDrag(drag) ||\n                !this.isInfiniteDrag(drag) && displayedDragsInDropArea < noOfDrags) && displayedDragsInDragHomes === 0) {\n            var dragClone = drag.clone();\n            dragClone.addClass('unneeded')\n                .css('top', '')\n                .css('left', '')\n                .css('transform', '');\n            this.getDragClone(drag)\n                .removeClass('active')\n                .after(dragClone);\n            questionManager.addEventHandlersToMarker(dragClone);\n        }\n    };\n\n    /**\n     * Remove the clone drag at the draghome area if needed.\n     *\n     * @param {jQuery} drag the item to place.\n     */\n    DragDropMarkersQuestion.prototype.removeDragIfNeeded = function(drag) {\n        var dragsInHome = this.getRoot().find('div.draghomes .marker.choice' +\n            this.getChoiceNoFromElement(drag) + this.getDragNoClass(drag, true)).not('.dragplaceholder');\n        var displayedDrags = dragsInHome.length;\n        while (displayedDrags > 1) {\n            dragsInHome.first().remove();\n            displayedDrags--;\n        }\n    };\n\n    /**\n     * Get the input belong to drag.\n     *\n     * @param {jQuery} drag the item to place.\n     * @returns {jQuery} input element.\n     */\n    DragDropMarkersQuestion.prototype.getInput = function(drag) {\n        var choiceNo = this.getChoiceNoFromElement(drag);\n        return this.getRoot().find('input.choices.choice' + choiceNo);\n    };\n\n    /**\n     * Return the background ratio.\n     *\n     * @returns {number} Background ratio.\n     */\n    DragDropMarkersQuestion.prototype.bgRatio = function() {\n        var bgImg = this.bgImage();\n        var bgImgNaturalWidth = bgImg.get(0).naturalWidth;\n        var bgImgClientWidth = bgImg.width();\n\n        return bgImgClientWidth / bgImgNaturalWidth;\n    };\n\n    /**\n     * Scale the drag if needed.\n     *\n     * @param {jQuery} element the item to place.\n     * @param {String} type scaling type\n     */\n    DragDropMarkersQuestion.prototype.handleElementScale = function(element, type) {\n        var bgRatio = parseFloat(this.bgRatio());\n        if (this.isPrinting) {\n            bgRatio = 1;\n        }\n        $(element).css({\n            '-webkit-transform': 'scale(' + bgRatio + ')',\n            '-moz-transform': 'scale(' + bgRatio + ')',\n            '-ms-transform': 'scale(' + bgRatio + ')',\n            '-o-transform': 'scale(' + bgRatio + ')',\n            'transform': 'scale(' + bgRatio + ')',\n            'transform-origin': type\n        });\n    };\n\n    /**\n     * Check if the given drag is in infinite mode or not.\n     *\n     * @param {jQuery} drag The drag item need to check.\n     */\n    DragDropMarkersQuestion.prototype.isInfiniteDrag = function(drag) {\n        return drag.hasClass('infinite');\n    };\n\n    /**\n     * Singleton that tracks all the DragDropToTextQuestions on this page, and deals\n     * with event dispatching.\n     *\n     * @type {Object}\n     */\n    var questionManager = {\n\n        /**\n         * {boolean} ensures that the event handlers are only initialised once per page.\n         */\n        eventHandlersInitialised: false,\n\n        /**\n         * {boolean} is printing or not.\n         */\n        isPrinting: false,\n\n        /**\n         * {boolean} is keyboard navigation.\n         */\n        isKeyboardNavigation: false,\n\n        /**\n         * {Object} all the questions on this page, indexed by containerId (id on the .que div).\n         */\n        questions: {}, // An object containing all the information about each question on the page.\n\n        /**\n         * Initialise one question.\n         *\n         * @param {String} containerId the id of the div.que that contains this question.\n         * @param {boolean} readOnly whether the question is read-only.\n         * @param {Object[]} visibleDropZones data on any drop zones to draw as part of the feedback.\n         */\n        init: function(containerId, readOnly, visibleDropZones) {\n            questionManager.questions[containerId] =\n                new DragDropMarkersQuestion(containerId, readOnly, visibleDropZones);\n            if (!questionManager.eventHandlersInitialised) {\n                questionManager.setupEventHandlers();\n                questionManager.eventHandlersInitialised = true;\n            }\n        },\n\n        /**\n         * Set up the event handlers that make this question type work. (Done once per page.)\n         */\n        setupEventHandlers: function() {\n            // We do not use the body event here to prevent the other event on Mobile device, such as scroll event.\n            questionManager.addEventHandlersToMarker($('.que.ddmarker:not(.qtype_ddmarker-readonly) div.draghomes .marker'));\n            questionManager.addEventHandlersToMarker($('.que.ddmarker:not(.qtype_ddmarker-readonly) div.droparea .marker'));\n            $(window).on('resize', function() {\n                questionManager.handleWindowResize(false);\n            });\n            window.addEventListener('beforeprint', function() {\n                questionManager.isPrinting = true;\n                questionManager.handleWindowResize(questionManager.isPrinting);\n            });\n            window.addEventListener('afterprint', function() {\n                questionManager.isPrinting = false;\n                questionManager.handleWindowResize(questionManager.isPrinting);\n            });\n            setTimeout(function() {\n                questionManager.fixLayoutIfThingsMoved();\n            }, 100);\n        },\n\n        /**\n         * Binding the event again for newly created element.\n         *\n         * @param {jQuery} element Element to bind the event\n         */\n        addEventHandlersToMarker: function(element) {\n            element\n                .on('mousedown touchstart', questionManager.handleDragStart)\n                .on('keydown keypress', questionManager.handleKeyPress)\n                .focusin(function(e) {\n                    questionManager.handleKeyboardFocus(e, true);\n                })\n                .focusout(function(e) {\n                    questionManager.handleKeyboardFocus(e, false);\n                });\n        },\n\n        /**\n         * Handle mouse down / touch start events on markers.\n         * @param {Event} e the DOM event.\n         */\n        handleDragStart: function(e) {\n            e.preventDefault();\n            var question = questionManager.getQuestionForEvent(e);\n            if (question) {\n                question.handleDragStart(e);\n            }\n        },\n\n        /**\n         * Handle key down / press events on markers.\n         * @param {Event} e\n         */\n        handleKeyPress: function(e) {\n            var question = questionManager.getQuestionForEvent(e);\n            if (question) {\n                question.handleKeyPress(e);\n            }\n        },\n\n        /**\n         * Handle when the window is resized.\n         * @param {boolean} isPrinting\n         */\n        handleWindowResize: function(isPrinting) {\n            for (var containerId in questionManager.questions) {\n                if (questionManager.questions.hasOwnProperty(containerId)) {\n                    questionManager.questions[containerId].isPrinting = isPrinting;\n                    questionManager.questions[containerId].handleResize();\n                }\n            }\n        },\n\n        /**\n         * Handle focus lost events on markers.\n         * @param {Event} e\n         * @param {boolean} isNavigating\n         */\n        handleKeyboardFocus: function(e, isNavigating) {\n            questionManager.isKeyboardNavigation = isNavigating;\n        },\n\n        /**\n         * Sometimes, despite our best efforts, things change in a way that cannot\n         * be specifically caught (e.g. dock expanding or collapsing in Boost).\n         * Therefore, we need to periodically check everything is in the right position.\n         */\n        fixLayoutIfThingsMoved: function() {\n            if (!questionManager.isKeyboardNavigation) {\n                this.handleWindowResize(questionManager.isPrinting);\n            }\n            // We use setTimeout after finishing work, rather than setInterval,\n            // in case positioning things is slow. We want 100 ms gap\n            // between executions, not what setInterval does.\n            setTimeout(function() {\n                questionManager.fixLayoutIfThingsMoved(questionManager.isPrinting);\n            }, 100);\n        },\n\n        /**\n         * Given an event, work out which question it effects.\n         * @param {Event} e the event.\n         * @returns {DragDropMarkersQuestion|undefined} The question, or undefined.\n         */\n        getQuestionForEvent: function(e) {\n            var containerId = $(e.currentTarget).closest('.que.ddmarker').attr('id');\n            return questionManager.questions[containerId];\n        }\n    };\n\n    /**\n     * @alias module:qtype_ddmarker/question\n     */\n    return {\n        /**\n         * Initialise one drag-drop markers question.\n         *\n         * @param {String} containerId id of the outer div for this question.\n         * @param {String} bgImgUrl the URL of the background image.\n         * @param {boolean} readOnly whether the question is being displayed read-only.\n         * @param {String[]} visibleDropZones the geometry of any drop-zones to show.\n         */\n        init: questionManager.init\n    };\n});\n"],"file":"question.min.js"}
\ No newline at end of file
+{"version":3,"file":"question.min.js","sources":["../src/question.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Question class for drag and drop marker question type, used to support the question and preview pages.\n *\n * @package    qtype_ddmarker\n * @subpackage question\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/dragdrop', 'qtype_ddmarker/shapes', 'core/key_codes'], function($, dragDrop, Shapes, keys) {\n\n    \"use strict\";\n\n    /**\n     * Object to handle one drag-drop markers question.\n     *\n     * @param {String} containerId id of the outer div for this question.\n     * @param {boolean} readOnly whether the question is being displayed read-only.\n     * @param {Object[]} visibleDropZones the geometry of any drop-zones to show.\n     *      Objects have fields shape, coords and markertext.\n     * @constructor\n     */\n    function DragDropMarkersQuestion(containerId, readOnly, visibleDropZones) {\n        var thisQ = this;\n        this.containerId = containerId;\n        this.visibleDropZones = visibleDropZones;\n        this.shapes = [];\n        this.shapeSVGs = [];\n        this.isPrinting = false;\n        if (readOnly) {\n            this.getRoot().addClass('qtype_ddmarker-readonly');\n        }\n        thisQ.cloneDrags();\n        thisQ.repositionDrags();\n        thisQ.drawDropzones();\n    }\n\n    /**\n     * Draws the svg shapes of any drop zones that should be visible for feedback purposes.\n     */\n    DragDropMarkersQuestion.prototype.drawDropzones = function() {\n        if (this.visibleDropZones.length > 0) {\n            var bgImage = this.bgImage();\n\n            this.getRoot().find('div.dropzones').html('<svg xmlns=\"http://www.w3.org/2000/svg\" class=\"dropzones\" ' +\n                'width=\"' + bgImage.outerWidth() + '\" ' +\n                'height=\"' + bgImage.outerHeight() + '\"></svg>');\n            var svg = this.getRoot().find('svg.dropzones');\n\n            var nextColourIndex = 0;\n            for (var dropZoneNo = 0; dropZoneNo < this.visibleDropZones.length; dropZoneNo++) {\n                var colourClass = 'color' + nextColourIndex;\n                nextColourIndex = (nextColourIndex + 1) % 8;\n                this.addDropzone(svg, dropZoneNo, colourClass);\n            }\n        }\n    };\n\n    /**\n     * Adds a dropzone shape with colour, coords and link provided to the array of shapes.\n     *\n     * @param {jQuery} svg the SVG image to which to add this drop zone.\n     * @param {int} dropZoneNo which drop-zone to add.\n     * @param {string} colourClass class name\n     */\n    DragDropMarkersQuestion.prototype.addDropzone = function(svg, dropZoneNo, colourClass) {\n        var dropZone = this.visibleDropZones[dropZoneNo],\n            shape = Shapes.make(dropZone.shape, ''),\n            existingmarkertext,\n            bgRatio = this.bgRatio();\n        if (!shape.parse(dropZone.coords, bgRatio)) {\n            return;\n        }\n\n        existingmarkertext = this.getRoot().find('div.markertexts span.markertext' + dropZoneNo);\n        if (existingmarkertext.length) {\n            if (dropZone.markertext !== '') {\n                existingmarkertext.html(dropZone.markertext);\n            } else {\n                existingmarkertext.remove();\n            }\n        } else if (dropZone.markertext !== '') {\n            var classnames = 'markertext markertext' + dropZoneNo;\n            this.getRoot().find('div.markertexts').append('<span class=\"' + classnames + '\">' +\n                dropZone.markertext + '</span>');\n            var markerspan = this.getRoot().find('div.ddarea div.markertexts span.markertext' + dropZoneNo);\n            if (markerspan.length) {\n                var handles = shape.getHandlePositions();\n                var positionLeft = handles.moveHandle.x - (markerspan.outerWidth() / 2) - 4;\n                var positionTop = handles.moveHandle.y - (markerspan.outerHeight() / 2);\n                markerspan\n                    .css('left', positionLeft)\n                    .css('top', positionTop);\n                markerspan\n                    .data('originX', markerspan.position().left / bgRatio)\n                    .data('originY', markerspan.position().top / bgRatio);\n                this.handleElementScale(markerspan, 'center');\n            }\n        }\n\n        var shapeSVG = shape.makeSvg(svg[0]);\n        shapeSVG.setAttribute('class', 'dropzone ' + colourClass);\n\n        this.shapes[this.shapes.length] = shape;\n        this.shapeSVGs[this.shapeSVGs.length] = shapeSVG;\n    };\n\n    /**\n     * Draws the drag items on the page (and drop zones if required).\n     * The idea is to re-draw all the drags and drops whenever there is a change\n     * like a widow resize or an item dropped in place.\n     */\n    DragDropMarkersQuestion.prototype.repositionDrags = function() {\n        var root = this.getRoot(),\n            thisQ = this;\n\n        root.find('div.draghomes .marker').not('.dragplaceholder').each(function(key, item) {\n            $(item).addClass('unneeded');\n        });\n\n        root.find('input.choices').each(function(key, input) {\n            var choiceNo = thisQ.getChoiceNoFromElement(input),\n                coords = thisQ.getCoords(input);\n            if (coords.length) {\n                var drag = thisQ.getRoot().find('.draghomes' + ' span.marker' + '.choice' + choiceNo).not('.dragplaceholder');\n                drag.remove();\n                for (var i = 0; i < coords.length; i++) {\n                    var dragInDrop = drag.clone();\n                    dragInDrop.data('pagex', coords[i].x).data('pagey', coords[i].y);\n                    thisQ.sendDragToDrop(dragInDrop, false);\n                }\n                thisQ.getDragClone(drag).addClass('active');\n                thisQ.cloneDragIfNeeded(drag);\n            }\n        });\n    };\n\n    /**\n     * Determine what drag items need to be shown and\n     * return coords of all drag items except any that are currently being dragged\n     * based on contents of hidden inputs and whether drags are 'infinite' or how many\n     * drags should be shown.\n     *\n     * @param {jQuery} inputNode\n     * @returns {Point[]} coordinates of however many copies of the drag item should be shown.\n     */\n    DragDropMarkersQuestion.prototype.getCoords = function(inputNode) {\n        var coords = [],\n            val = $(inputNode).val();\n        if (val !== '') {\n            var coordsStrings = val.split(';');\n            for (var i = 0; i < coordsStrings.length; i++) {\n                coords[i] = this.convertToWindowXY(Shapes.Point.parse(coordsStrings[i]));\n            }\n        }\n        return coords;\n    };\n\n    /**\n     * Converts the relative x and y position coordinates into\n     * absolute x and y position coordinates.\n     *\n     * @param {Point} point relative to the background image.\n     * @returns {Point} point relative to the page.\n     */\n    DragDropMarkersQuestion.prototype.convertToWindowXY = function(point) {\n        var bgImage = this.bgImage();\n        // The +1 seems rather odd, but seems to give the best results in\n        // the three main browsers at a range of zoom levels.\n        // (Its due to the 1px border around the image, that shifts the\n        // image pixels by 1 down and to the left.)\n        return point.offset(bgImage.offset().left + 1, bgImage.offset().top + 1);\n    };\n\n    /**\n     * Utility function converting window coordinates to relative to the\n     * background image coordinates.\n     *\n     * @param {Point} point relative to the page.\n     * @returns {Point} point relative to the background image.\n     */\n    DragDropMarkersQuestion.prototype.convertToBgImgXY = function(point) {\n        var bgImage = this.bgImage();\n        return point.offset(-bgImage.offset().left - 1, -bgImage.offset().top - 1);\n    };\n\n    /**\n     * Is the point within the background image?\n     *\n     * @param {Point} point relative to the BG image.\n     * @return {boolean} true it they are.\n     */\n    DragDropMarkersQuestion.prototype.coordsInBgImg = function(point) {\n        var bgImage = this.bgImage();\n        var bgPosition = bgImage.offset();\n\n        return point.x >= bgPosition.left && point.x < bgPosition.left + bgImage.width()\n            && point.y >= bgPosition.top && point.y < bgPosition.top + bgImage.height();\n    };\n\n    /**\n     * Get the outer div for this question.\n     * @returns {jQuery} containing that div.\n     */\n    DragDropMarkersQuestion.prototype.getRoot = function() {\n        return $(document.getElementById(this.containerId));\n    };\n\n    /**\n     * Get the img that is the background image.\n     * @returns {jQuery} containing that img.\n     */\n    DragDropMarkersQuestion.prototype.bgImage = function() {\n        return this.getRoot().find('img.dropbackground');\n    };\n\n    DragDropMarkersQuestion.prototype.handleDragStart = function(e) {\n        var thisQ = this,\n            dragged = $(e.target).closest('.marker');\n\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        dragged.addClass('beingdragged').css('transform', '');\n\n        var placed = !dragged.hasClass('unneeded');\n        if (!placed) {\n            var hiddenDrag = thisQ.getDragClone(dragged);\n            if (hiddenDrag.length) {\n                hiddenDrag.addClass('active');\n                dragged.offset(hiddenDrag.offset());\n            }\n        }\n\n        dragDrop.start(e, dragged, function() {\n            void (1);\n        }, function(x, y, dragged) {\n            thisQ.dragEnd(dragged);\n        });\n    };\n\n    /**\n     * Functionality at the end of a drag drop.\n     * @param {jQuery} dragged the marker that was dragged.\n     */\n    DragDropMarkersQuestion.prototype.dragEnd = function(dragged) {\n        var placed = false,\n            choiceNo = this.getChoiceNoFromElement(dragged),\n            bgRatio = this.bgRatio(),\n            dragXY;\n\n        dragged.data('pagex', dragged.offset().left).data('pagey', dragged.offset().top);\n        dragXY = new Shapes.Point(dragged.data('pagex'), dragged.data('pagey'));\n        if (this.coordsInBgImg(dragXY)) {\n            this.sendDragToDrop(dragged, true);\n            placed = true;\n\n            // It seems that the dragdrop sometimes leaves the drag\n            // one pixel out of position. Put it in exactly the right place.\n            var bgImgXY = this.convertToBgImgXY(dragXY);\n            bgImgXY = new Shapes.Point(bgImgXY.x / bgRatio, bgImgXY.y / bgRatio);\n            dragged.data('originX', bgImgXY.x).data('originY', bgImgXY.y);\n        }\n\n        if (!placed) {\n            this.sendDragHome(dragged);\n            this.removeDragIfNeeded(dragged);\n        } else {\n            this.cloneDragIfNeeded(dragged);\n        }\n\n        this.saveCoordsForChoice(choiceNo);\n    };\n\n    /**\n     * Save the coordinates for a dropped item in the form field.\n     * @param {Number} choiceNo which copy of the choice this was.\n     */\n    DragDropMarkersQuestion.prototype.saveCoordsForChoice = function(choiceNo) {\n        var coords = [],\n            items = this.getRoot().find('div.droparea span.marker.choice' + choiceNo),\n            thiQ = this,\n            bgRatio = this.bgRatio();\n\n        if (items.length) {\n            items.each(function() {\n                var drag = $(this);\n                if (!drag.hasClass('beingdragged')) {\n                    var dragXY = new Shapes.Point(drag.data('pagex'), drag.data('pagey'));\n                    if (thiQ.coordsInBgImg(dragXY)) {\n                        var bgImgXY = thiQ.convertToBgImgXY(dragXY);\n                        bgImgXY = new Shapes.Point(bgImgXY.x / bgRatio, bgImgXY.y / bgRatio);\n                        coords[coords.length] = bgImgXY;\n                    }\n                }\n            });\n        }\n\n        this.getRoot().find('input.choice' + choiceNo).val(coords.join(';'));\n    };\n\n    /**\n     * Handle key down / press events on markers.\n     * @param {KeyboardEvent} e\n     */\n    DragDropMarkersQuestion.prototype.handleKeyPress = function(e) {\n        var drag = $(e.target).closest('.marker'),\n            point = new Shapes.Point(drag.offset().left, drag.offset().top),\n            choiceNo = this.getChoiceNoFromElement(drag);\n\n        switch (e.keyCode) {\n            case keys.arrowLeft:\n            case 65: // A.\n                point.x -= 1;\n                break;\n            case keys.arrowRight:\n            case 68: // D.\n                point.x += 1;\n                break;\n            case keys.arrowDown:\n            case 83: // S.\n                point.y += 1;\n                break;\n            case keys.arrowUp:\n            case 87: // W.\n                point.y -= 1;\n                break;\n            case keys.space:\n            case keys.escape:\n                point = null;\n                break;\n            default:\n                return; // Ingore other keys.\n        }\n        e.preventDefault();\n\n        if (point !== null) {\n            point = this.constrainToBgImg(point);\n            drag.offset({'left': point.x, 'top': point.y});\n            drag.data('pagex', drag.offset().left).data('pagey', drag.offset().top);\n            var dragXY = this.convertToBgImgXY(new Shapes.Point(drag.data('pagex'), drag.data('pagey')));\n            drag.data('originX', dragXY.x / this.bgRatio()).data('originY', dragXY.y / this.bgRatio());\n            if (this.coordsInBgImg(new Shapes.Point(drag.offset().left, drag.offset().top))) {\n                if (drag.hasClass('unneeded')) {\n                    this.sendDragToDrop(drag, true);\n                    var hiddenDrag = this.getDragClone(drag);\n                    if (hiddenDrag.length) {\n                        hiddenDrag.addClass('active');\n                    }\n                    this.cloneDragIfNeeded(drag);\n                }\n            }\n        } else {\n            drag.css('left', '').css('top', '');\n            drag.data('pagex', drag.offset().left).data('pagey', drag.offset().top);\n            this.sendDragHome(drag);\n            this.removeDragIfNeeded(drag);\n        }\n        drag.focus();\n        this.saveCoordsForChoice(choiceNo);\n    };\n\n    /**\n     * Makes sure the dragged item always exists within the background image area.\n     *\n     * @param {Point} windowxy\n     * @returns {Point} coordinates\n     */\n    DragDropMarkersQuestion.prototype.constrainToBgImg = function(windowxy) {\n        var bgImg = this.bgImage(),\n            bgImgXY = this.convertToBgImgXY(windowxy);\n        bgImgXY.x = Math.max(0, bgImgXY.x);\n        bgImgXY.y = Math.max(0, bgImgXY.y);\n        bgImgXY.x = Math.min(bgImg.width(), bgImgXY.x);\n        bgImgXY.y = Math.min(bgImg.height(), bgImgXY.y);\n        return this.convertToWindowXY(bgImgXY);\n    };\n\n    /**\n     * Returns the choice number for a node.\n     *\n     * @param {Element|jQuery} node\n     * @returns {Number}\n     */\n    DragDropMarkersQuestion.prototype.getChoiceNoFromElement = function(node) {\n        return Number(this.getClassnameNumericSuffix(node, 'choice'));\n    };\n\n    /**\n     * Returns the numeric part of a class with the given prefix.\n     *\n     * @param {Element|jQuery} node\n     * @param {String} prefix\n     * @returns {Number|null}\n     */\n    DragDropMarkersQuestion.prototype.getClassnameNumericSuffix = function(node, prefix) {\n        var classes = $(node).attr('class');\n        if (classes !== undefined && classes !== '') {\n            var classesarr = classes.split(' ');\n            for (var index = 0; index < classesarr.length; index++) {\n                var patt1 = new RegExp('^' + prefix + '([0-9])+$');\n                if (patt1.test(classesarr[index])) {\n                    var patt2 = new RegExp('([0-9])+$');\n                    var match = patt2.exec(classesarr[index]);\n                    return Number(match[0]);\n                }\n            }\n        }\n        return null;\n    };\n\n    /**\n     * Handle when the window is resized.\n     */\n    DragDropMarkersQuestion.prototype.handleResize = function() {\n        var thisQ = this,\n            bgRatio = this.bgRatio();\n        if (this.isPrinting) {\n            bgRatio = 1;\n        }\n\n        this.getRoot().find('div.droparea .marker').not('.beingdragged').each(function(key, drag) {\n            $(drag)\n                .css('left', parseFloat($(drag).data('originX')) * parseFloat(bgRatio))\n                .css('top', parseFloat($(drag).data('originY')) * parseFloat(bgRatio));\n            thisQ.handleElementScale(drag, 'left top');\n        });\n\n        this.getRoot().find('div.droparea svg.dropzones')\n            .width(this.bgImage().width())\n            .height(this.bgImage().height());\n\n        for (var dropZoneNo = 0; dropZoneNo < this.visibleDropZones.length; dropZoneNo++) {\n            var dropZone = thisQ.visibleDropZones[dropZoneNo];\n            var originCoords = dropZone.coords;\n            var shape = thisQ.shapes[dropZoneNo];\n            var shapeSVG = thisQ.shapeSVGs[dropZoneNo];\n            shape.parse(originCoords, bgRatio);\n            shape.updateSvg(shapeSVG);\n\n            var handles = shape.getHandlePositions();\n            var markerSpan = this.getRoot().find('div.ddarea div.markertexts span.markertext' + dropZoneNo);\n            markerSpan\n                .css('left', handles.moveHandle.x - (markerSpan.outerWidth() / 2) - 4)\n                .css('top', handles.moveHandle.y - (markerSpan.outerHeight() / 2));\n            thisQ.handleElementScale(markerSpan, 'center');\n        }\n    };\n\n    /**\n     * Clone the drag.\n     */\n    DragDropMarkersQuestion.prototype.cloneDrags = function() {\n        var thisQ = this;\n        this.getRoot().find('div.draghomes span.marker').each(function(index, draghome) {\n            var drag = $(draghome);\n            var placeHolder = drag.clone();\n            placeHolder.removeClass();\n            placeHolder.addClass('marker');\n            placeHolder.addClass('choice' + thisQ.getChoiceNoFromElement(drag));\n            placeHolder.addClass(thisQ.getDragNoClass(drag, false));\n            placeHolder.addClass('dragplaceholder');\n            drag.before(placeHolder);\n        });\n    };\n\n    /**\n     * Get the drag number of a drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {Number} the drag number.\n     */\n    DragDropMarkersQuestion.prototype.getDragNo = function(drag) {\n        return this.getClassnameNumericSuffix(drag, 'dragno');\n    };\n\n    /**\n     * Get the drag number prefix of a drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Boolean} includeSelector include the CSS selector prefix or not.\n     * @return {String} Class name\n     */\n    DragDropMarkersQuestion.prototype.getDragNoClass = function(drag, includeSelector) {\n        var className = 'dragno' + this.getDragNo(drag);\n        if (this.isInfiniteDrag(drag)) {\n            className = 'infinite';\n        }\n\n        if (includeSelector) {\n            return '.' + className;\n        }\n\n        return className;\n    };\n\n    /**\n     * Get drag clone for a given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {jQuery} the drag's clone.\n     */\n    DragDropMarkersQuestion.prototype.getDragClone = function(drag) {\n        return this.getRoot().find('.draghomes' + ' span.marker' +\n            '.choice' + this.getChoiceNoFromElement(drag) + this.getDragNoClass(drag, true) + '.dragplaceholder');\n    };\n\n    /**\n     * Get the drop area element.\n     * @returns {jQuery} droparea element.\n     */\n    DragDropMarkersQuestion.prototype.dropArea = function() {\n        return this.getRoot().find('div.droparea');\n    };\n\n    /**\n     * Animate a drag back to its home.\n     *\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropMarkersQuestion.prototype.sendDragHome = function(drag) {\n        drag.removeClass('beingdragged')\n            .addClass('unneeded')\n            .css('top', '')\n            .css('left', '')\n            .css('transform', '');\n        var placeHolder = this.getDragClone(drag);\n        placeHolder.after(drag);\n        placeHolder.removeClass('active');\n    };\n\n    /**\n     * Animate a drag item into a given place.\n     *\n     * @param {jQuery} drag the item to place.\n     * @param {boolean} isScaling Scaling or not\n     */\n    DragDropMarkersQuestion.prototype.sendDragToDrop = function(drag, isScaling) {\n        var dropArea = this.dropArea(),\n            bgRatio = this.bgRatio();\n        drag.removeClass('beingdragged').removeClass('unneeded');\n        var dragXY = this.convertToBgImgXY(new Shapes.Point(drag.data('pagex'), drag.data('pagey')));\n        if (isScaling) {\n            drag.data('originX', dragXY.x / bgRatio).data('originY', dragXY.y / bgRatio);\n            drag.css('left', dragXY.x).css('top', dragXY.y);\n        } else {\n            drag.data('originX', dragXY.x).data('originY', dragXY.y);\n            drag.css('left', dragXY.x * bgRatio).css('top', dragXY.y * bgRatio);\n        }\n        dropArea.append(drag);\n        this.handleElementScale(drag, 'left top');\n    };\n\n    /**\n     * Clone the drag at the draghome area if needed.\n     *\n     * @param {jQuery} drag the item to place.\n     */\n    DragDropMarkersQuestion.prototype.cloneDragIfNeeded = function(drag) {\n        var inputNode = this.getInput(drag),\n            noOfDrags = Number(this.getClassnameNumericSuffix(inputNode, 'noofdrags')),\n            displayedDragsInDropArea = this.getRoot().find('div.droparea .marker.choice' +\n                this.getChoiceNoFromElement(drag) + this.getDragNoClass(drag, true)).length,\n            displayedDragsInDragHomes = this.getRoot().find('div.draghomes .marker.choice' +\n                this.getChoiceNoFromElement(drag) + this.getDragNoClass(drag, true)).not('.dragplaceholder').length;\n\n        if ((this.isInfiniteDrag(drag) ||\n                !this.isInfiniteDrag(drag) && displayedDragsInDropArea < noOfDrags) && displayedDragsInDragHomes === 0) {\n            var dragClone = drag.clone();\n            dragClone.addClass('unneeded')\n                .css('top', '')\n                .css('left', '')\n                .css('transform', '');\n            this.getDragClone(drag)\n                .removeClass('active')\n                .after(dragClone);\n            questionManager.addEventHandlersToMarker(dragClone);\n        }\n    };\n\n    /**\n     * Remove the clone drag at the draghome area if needed.\n     *\n     * @param {jQuery} drag the item to place.\n     */\n    DragDropMarkersQuestion.prototype.removeDragIfNeeded = function(drag) {\n        var dragsInHome = this.getRoot().find('div.draghomes .marker.choice' +\n            this.getChoiceNoFromElement(drag) + this.getDragNoClass(drag, true)).not('.dragplaceholder');\n        var displayedDrags = dragsInHome.length;\n        while (displayedDrags > 1) {\n            dragsInHome.first().remove();\n            displayedDrags--;\n        }\n    };\n\n    /**\n     * Get the input belong to drag.\n     *\n     * @param {jQuery} drag the item to place.\n     * @returns {jQuery} input element.\n     */\n    DragDropMarkersQuestion.prototype.getInput = function(drag) {\n        var choiceNo = this.getChoiceNoFromElement(drag);\n        return this.getRoot().find('input.choices.choice' + choiceNo);\n    };\n\n    /**\n     * Return the background ratio.\n     *\n     * @returns {number} Background ratio.\n     */\n    DragDropMarkersQuestion.prototype.bgRatio = function() {\n        var bgImg = this.bgImage();\n        var bgImgNaturalWidth = bgImg.get(0).naturalWidth;\n        var bgImgClientWidth = bgImg.width();\n\n        return bgImgClientWidth / bgImgNaturalWidth;\n    };\n\n    /**\n     * Scale the drag if needed.\n     *\n     * @param {jQuery} element the item to place.\n     * @param {String} type scaling type\n     */\n    DragDropMarkersQuestion.prototype.handleElementScale = function(element, type) {\n        var bgRatio = parseFloat(this.bgRatio());\n 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page.\n         */\n        eventHandlersInitialised: false,\n\n        /**\n         * {boolean} is printing or not.\n         */\n        isPrinting: false,\n\n        /**\n         * {boolean} is keyboard navigation.\n         */\n        isKeyboardNavigation: false,\n\n        /**\n         * {Object} all the questions on this page, indexed by containerId (id on the .que div).\n         */\n        questions: {}, // An object containing all the information about each question on the page.\n\n        /**\n         * Initialise one question.\n         *\n         * @param {String} containerId the id of the div.que that contains this question.\n         * @param {boolean} readOnly whether the question is read-only.\n         * @param {Object[]} visibleDropZones data on any drop zones to draw as part of the feedback.\n         */\n        init: function(containerId, readOnly, visibleDropZones) {\n            questionManager.questions[containerId] =\n                new DragDropMarkersQuestion(containerId, readOnly, visibleDropZones);\n            if (!questionManager.eventHandlersInitialised) {\n                questionManager.setupEventHandlers();\n                questionManager.eventHandlersInitialised = true;\n            }\n        },\n\n        /**\n         * Set up the event handlers that make this question type work. 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{boolean} readOnly whether the question is being displayed read-only.\n         * @param {String[]} visibleDropZones the geometry of any drop-zones to show.\n         */\n        init: questionManager.init\n    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\ No newline at end of file
diff --git a/question/type/ddmarker/amd/build/shapes.min.js b/question/type/ddmarker/amd/build/shapes.min.js
index fe4a6fff071..5542755fbc9 100644
--- a/question/type/ddmarker/amd/build/shapes.min.js
+++ b/question/type/ddmarker/amd/build/shapes.min.js
@@ -1,2 +1,14 @@
-define ("qtype_ddmarker/shapes",function(){"use strict";function a(a,b){this.x=a;this.y=b}a.prototype.toString=function(){return this.x+","+this.y};a.prototype.move=function(a,b){this.x+=a;this.y+=b};a.prototype.offset=function(b,c){if(b instanceof a){c=b.y;b=b.x}return new a(this.x+b,this.y+c)};a.parse=function(b){var c=b.split(",");if(2!==c.length){throw new Error(b+" is not a valid point")}return new a(Math.round(c[0]),Math.round(c[1]))};function b(b,c,d){this.label=b;this.centre=new a(c||0,d||0)}b.prototype.getType=function(){throw new Error("Not implemented.")};b.prototype.getCoordinates=function(){throw new Error("Not implemented.")};b.prototype.parse=function(a,b){void(a,b);throw new Error("Not implemented.")};b.prototype.move=function(){};b.prototype.edit=function(){};b.prototype.normalizeShape=function(){};b.prototype.makeSvg=function(){throw new Error("Not implemented.")};b.prototype.updateSvg=function(){};b.prototype.makeSimilarCircle=function(){throw new Error("Not implemented.")};b.prototype.makeSimilarRectangle=function(){throw new Error("Not implemented.")};b.prototype.makeSimilarPolygon=function(){throw new Error("Not implemented.")};b.prototype.getHandlePositions=function(){return null};function c(a,c,d,e){c=c||15;d=d||15;b.call(this,a,c,d);this.radius=e||15}c.prototype=new b;c.prototype.getType=function(){return"circle"};c.prototype.getCoordinates=function(){return this.centre+";"+Math.abs(this.radius)};c.prototype.makeSvg=function(a){var b=h(a,"circle");this.updateSvg(b);return b};c.prototype.updateSvg=function(a){a.childNodes[0].setAttribute("cx",this.centre.x);a.childNodes[0].setAttribute("cy",this.centre.y);a.childNodes[0].setAttribute("r",Math.abs(this.radius));a.childNodes[1].setAttribute("x",this.centre.x);a.childNodes[1].setAttribute("y",this.centre.y+15);a.childNodes[1].textContent=this.label};c.prototype.parse=function(b,c){if(!b.match(/^\d+(\.\d+)?,\d+(\.\d+)?;\d+(\.\d+)?$/)){return!1}var d=b.split(";");this.centre=a.parse(d[0]);this.centre.x=this.centre.x*parseFloat(c);this.centre.y=this.centre.y*parseFloat(c);this.radius=Math.round(d[1])*parseFloat(c);return!0};c.prototype.move=function(a,b,c,d){this.centre.move(a,b);if(this.centre.x<this.radius){this.centre.x=this.radius}if(this.centre.x>c-this.radius){this.centre.x=c-this.radius}if(this.centre.y<this.radius){this.centre.y=this.radius}if(this.centre.y>d-this.radius){this.centre.y=d-this.radius}};c.prototype.edit=function(a,b,c,d,e){this.radius+=b;var f=Math.min(this.centre.x,this.centre.y,d-this.centre.x,e-this.centre.y);if(this.radius>f){this.radius=f}if(this.radius<-f){this.radius=-f}};c.prototype.normalizeShape=function(){this.radius=Math.abs(this.radius)};c.prototype.makeSimilarRectangle=function(){return new d(this.label,this.centre.x-this.radius,this.centre.y-this.radius,2*this.radius,2*this.radius)};c.prototype.makeSimilarPolygon=function(){return new e(this.label,[this.centre.offset(-this.radius,-this.radius),this.centre.offset(-this.radius,this.radius),this.centre.offset(this.radius,this.radius),this.centre.offset(this.radius,-this.radius)])};c.prototype.getHandlePositions=function(){return{moveHandle:this.centre,editHandles:[this.centre.offset(this.radius,0)]}};function d(a,c,d,e,f){b.call(this,a,c,d);this.width=e||30;this.height=f||30}d.prototype=new b;d.prototype.getType=function(){return"rectangle"};d.prototype.getCoordinates=function(){return this.centre+";"+this.width+","+this.height};d.prototype.makeSvg=function(a){var b=h(a,"rect");this.updateSvg(b);return b};d.prototype.updateSvg=function(a){if(0<=this.width){a.childNodes[0].setAttribute("x",this.centre.x);a.childNodes[0].setAttribute("width",this.width)}else{a.childNodes[0].setAttribute("x",this.centre.x+this.width);a.childNodes[0].setAttribute("width",-this.width)}if(0<=this.height){a.childNodes[0].setAttribute("y",this.centre.y);a.childNodes[0].setAttribute("height",this.height)}else{a.childNodes[0].setAttribute("y",this.centre.y+this.height);a.childNodes[0].setAttribute("height",-this.height)}a.childNodes[1].setAttribute("x",this.centre.x+this.width/2);a.childNodes[1].setAttribute("y",this.centre.y+this.height/2+15);a.childNodes[1].textContent=this.label};d.prototype.parse=function(b,c){if(!b.match(/^\d+(\.\d+)?,\d+(\.\d+)?;\d+(\.\d+)?,\d+(\.\d+)?$/)){return!1}var d=b.split(";");this.centre=a.parse(d[0]);this.centre.x=this.centre.x*parseFloat(c);this.centre.y=this.centre.y*parseFloat(c);var e=a.parse(d[1]);this.width=e.x*parseFloat(c);this.height=e.y*parseFloat(c);return!0};d.prototype.move=function(a,b,c,d){this.centre.move(a,b);if(0>this.centre.x){this.centre.x=0}if(this.centre.x>c-this.width){this.centre.x=c-this.width}if(0>this.centre.y){this.centre.y=0}if(this.centre.y>d-this.height){this.centre.y=d-this.height}};d.prototype.edit=function(a,b,c,d,e){this.width+=b;this.height+=c;if(this.width<-this.centre.x){this.width=-this.centre.x}if(this.width>d-this.centre.x){this.width=d-this.centre.x}if(this.height<-this.centre.y){this.height=-this.centre.y}if(this.height>e-this.centre.y){this.height=e-this.centre.y}};d.prototype.normalizeShape=function(){if(0>this.width){this.centre.x+=this.width;this.width=-this.width}if(0>this.height){this.centre.y+=this.height;this.height=-this.height}};d.prototype.makeSimilarCircle=function(){return new c(this.label,Math.round(this.centre.x+this.width/2),Math.round(this.centre.y+this.height/2),Math.round((this.width+this.height)/4))};d.prototype.makeSimilarPolygon=function(){return new e(this.label,[this.centre,this.centre.offset(0,this.height),this.centre.offset(this.width,this.height),this.centre.offset(this.width,0)])};d.prototype.getHandlePositions=function(){return{moveHandle:this.centre.offset(this.width/2,this.height/2),editHandles:[this.centre.offset(this.width,this.height)]}};function e(c,d){b.call(this,c,0,0);this.points=d?d.slice():[new a(10,10),new a(40,10),new a(10,40)];this.normalizeShape();this.ratio=1}e.prototype=new b;e.prototype.getType=function(){return"polygon"};e.prototype.getCoordinates=function(){for(var a="",b=0;b<this.points.length;b++){a+=this.centre.offset(this.points[b])+";"}return a.slice(0,a.length-1)};e.prototype.makeSvg=function(a){var b=h(a,"polygon");this.updateSvg(b);return b};e.prototype.updateSvg=function(a){a.childNodes[0].setAttribute("points",this.getCoordinates().replace(/[,;]/g," "));a.childNodes[0].setAttribute("transform","scale("+parseFloat(this.ratio)+")");a.childNodes[1].setAttribute("x",this.centre.x);a.childNodes[1].setAttribute("y",this.centre.y+15);a.childNodes[1].textContent=this.label};e.prototype.parse=function(b,c){if(!b.match(/^\d+(\.\d+)?,\d+(\.\d+)?(?:;\d+(\.\d+)?,\d+(\.\d+)?)*$/)){return!1}for(var d=b.split(";"),e=[],f=0;f<d.length;f++){e.push(a.parse(d[f]))}this.points=e;this.centre.x=0;this.centre.y=0;this.ratio=c;this.normalizeShape();return!0};e.prototype.move=function(a,b,c,d){this.centre.move(a,b);for(var e=c,f=0,g=d,h=0,j=0;j<this.points.length;j++){e=Math.min(e,this.points[j].x);f=Math.max(f,this.points[j].x);g=Math.min(g,this.points[j].y);h=Math.max(h,this.points[j].y)}if(this.centre.x<-e){this.centre.x=-e}if(this.centre.x>c-f){this.centre.x=c-f}if(this.centre.y<-g){this.centre.y=-g}if(this.centre.y>d-h){this.centre.y=d-h}};e.prototype.edit=function(a,b,c,d,e){this.points[a].move(b,c);if(this.points[a].x<-this.centre.x){this.points[a].x=-this.centre.x}if(this.points[a].x>d-this.centre.x){this.points[a].x=d-this.centre.x}if(this.points[a].y<-this.centre.y){this.points[a].y=-this.centre.y}if(this.points[a].y>e-this.centre.y){this.points[a].y=e-this.centre.y}};e.prototype.addNewPointAfter=function(b){this.points.splice(b,0,new a(this.points[b].x,this.points[b].y))};e.prototype.normalizeShape=function(){var a,b=0,c=0;if(0===this.points.length){return}for(a=0;a<this.points.length;a++){b+=this.points[a].x;c+=this.points[a].y}b=Math.round(b/this.points.length);c=Math.round(c/this.points.length);if(0===b&&0===c){return}for(a=0;a<this.points.length;a++){this.points[a].move(-b,-c)}this.centre.move(b,c)};e.prototype.makeSimilarCircle=function(){return this.makeSimilarRectangle().makeSimilarCircle()};e.prototype.makeSimilarRectangle=function(){for(var a,b=0,c=0,e=0,f=0,g=0;g<this.points.length;g++){a=this.points[g];b=Math.min(b,a.x);c=Math.max(c,a.x);e=Math.min(e,a.y);f=Math.max(f,a.y)}return new d(this.label,this.centre.x+b,this.centre.y+e,Math.max(c-b,10),Math.max(f-e,10))};e.prototype.getHandlePositions=function(){for(var a=[],b=0;b<this.points.length;b++){a.push(this.points[b].offset(this.centre.x,this.centre.y))}this.centre.x=this.centre.x*parseFloat(this.ratio);this.centre.y=this.centre.y*parseFloat(this.ratio);return{moveHandle:this.centre,editHandles:a}};function f(a){b.call(this,a)}f.prototype=new b;f.prototype.getType=function(){return"null"};f.prototype.getCoordinates=function(){return""};f.prototype.makeSvg=function(){return null};f.prototype.updateSvg=function(){};f.prototype.parse=function(){return!1};f.prototype.makeSimilarCircle=function(){return new c(this.label)};f.prototype.makeSimilarRectangle=function(){return new d(this.label)};f.prototype.makeSimilarPolygon=function(){return new e(this.label)};function g(a,b){var c=a.ownerDocument.createElementNS("http://www.w3.org/2000/svg",b);a.appendChild(c);return c}function h(a,b){var c=g(a,"g");g(c,b).setAttribute("class","shape");g(c,"text").setAttribute("class","shapeLabel");return c}return{Point:a,Shape:b,Circle:c,Rectangle:d,Polygon:e,NullShape:f,createSvgElement:g,make:function make(a,b){switch(a){case"circle":return new c(b);case"rectangle":return new d(b);case"polygon":return new e(b);default:return new f(b);}},getSimilar:function getSimilar(a,b){if(a===b.getType()){return b}switch(a){case"circle":return b.makeSimilarCircle();case"rectangle":return b.makeSimilarRectangle();case"polygon":return b.makeSimilarPolygon();default:return new f(b.label);}}}});
-//# sourceMappingURL=shapes.min.js.map
+/**
+ * Library of classes for handling simple shapes.
+ *
+ * These classes can represent shapes, let you alter them, can go to and from a string
+ * representation, and can give you an SVG representation.
+ *
+ * @package    qtype_ddmarker
+ * @subpackage shapes
+ * @copyright  2018 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("qtype_ddmarker/shapes",(function(){function Point(x,y){this.x=x,this.y=y}function Shape(label,x,y){this.label=label,this.centre=new Point(x||0,y||0)}function Circle(label,x,y,radius){x=x||15,y=y||15,Shape.call(this,label,x,y),this.radius=radius||15}function Rectangle(label,x,y,width,height){Shape.call(this,label,x,y),this.width=width||30,this.height=height||30}function Polygon(label,points){Shape.call(this,label,0,0),this.points=points?points.slice():[new Point(10,10),new Point(40,10),new Point(10,40)],this.normalizeShape(),this.ratio=1}function NullShape(label){Shape.call(this,label)}function createSvgElement(svg,tagName){var svgEl=svg.ownerDocument.createElementNS("http://www.w3.org/2000/svg",tagName);return svg.appendChild(svgEl),svgEl}function createSvgShapeGroup(svg,tagName){var svgEl=createSvgElement(svg,"g");return createSvgElement(svgEl,tagName).setAttribute("class","shape"),createSvgElement(svgEl,"text").setAttribute("class","shapeLabel"),svgEl}return Point.prototype.toString=function(){return this.x+","+this.y},Point.prototype.move=function(dx,dy){this.x+=dx,this.y+=dy},Point.prototype.offset=function(offsetX,offsetY){return offsetX instanceof Point&&(offsetY=offsetX.y,offsetX=offsetX.x),new Point(this.x+offsetX,this.y+offsetY)},Point.parse=function(coordinates){var bits=coordinates.split(",");if(2!==bits.length)throw new Error(coordinates+" is not a valid point");return new Point(Math.round(bits[0]),Math.round(bits[1]))},Shape.prototype.getType=function(){throw new Error("Not implemented.")},Shape.prototype.getCoordinates=function(){throw new Error("Not implemented.")},Shape.prototype.parse=function(coordinates,ratio){throw new Error("Not implemented.")},Shape.prototype.move=function(dx,dy,maxX,maxY){},Shape.prototype.edit=function(handleIndex,dx,dy,maxX,maxY){},Shape.prototype.normalizeShape=function(){},Shape.prototype.makeSvg=function(svg){throw new Error("Not implemented.")},Shape.prototype.updateSvg=function(svgEl){},Shape.prototype.makeSimilarCircle=function(){throw new Error("Not implemented.")},Shape.prototype.makeSimilarRectangle=function(){throw new Error("Not implemented.")},Shape.prototype.makeSimilarPolygon=function(){throw new Error("Not implemented.")},Shape.prototype.getHandlePositions=function(){return null},Circle.prototype=new Shape,Circle.prototype.getType=function(){return"circle"},Circle.prototype.getCoordinates=function(){return this.centre+";"+Math.abs(this.radius)},Circle.prototype.makeSvg=function(svg){var svgEl=createSvgShapeGroup(svg,"circle");return this.updateSvg(svgEl),svgEl},Circle.prototype.updateSvg=function(svgEl){svgEl.childNodes[0].setAttribute("cx",this.centre.x),svgEl.childNodes[0].setAttribute("cy",this.centre.y),svgEl.childNodes[0].setAttribute("r",Math.abs(this.radius)),svgEl.childNodes[1].setAttribute("x",this.centre.x),svgEl.childNodes[1].setAttribute("y",this.centre.y+15),svgEl.childNodes[1].textContent=this.label},Circle.prototype.parse=function(coordinates,ratio){if(!coordinates.match(/^\d+(\.\d+)?,\d+(\.\d+)?;\d+(\.\d+)?$/))return!1;var bits=coordinates.split(";");return this.centre=Point.parse(bits[0]),this.centre.x=this.centre.x*parseFloat(ratio),this.centre.y=this.centre.y*parseFloat(ratio),this.radius=Math.round(bits[1])*parseFloat(ratio),!0},Circle.prototype.move=function(dx,dy,maxX,maxY){this.centre.move(dx,dy),this.centre.x<this.radius&&(this.centre.x=this.radius),this.centre.x>maxX-this.radius&&(this.centre.x=maxX-this.radius),this.centre.y<this.radius&&(this.centre.y=this.radius),this.centre.y>maxY-this.radius&&(this.centre.y=maxY-this.radius)},Circle.prototype.edit=function(handleIndex,dx,dy,maxX,maxY){this.radius+=dx;var limit=Math.min(this.centre.x,this.centre.y,maxX-this.centre.x,maxY-this.centre.y);this.radius>limit&&(this.radius=limit),this.radius<-limit&&(this.radius=-limit)},Circle.prototype.normalizeShape=function(){this.radius=Math.abs(this.radius)},Circle.prototype.makeSimilarRectangle=function(){return new Rectangle(this.label,this.centre.x-this.radius,this.centre.y-this.radius,2*this.radius,2*this.radius)},Circle.prototype.makeSimilarPolygon=function(){return new Polygon(this.label,[this.centre.offset(-this.radius,-this.radius),this.centre.offset(-this.radius,this.radius),this.centre.offset(this.radius,this.radius),this.centre.offset(this.radius,-this.radius)])},Circle.prototype.getHandlePositions=function(){return{moveHandle:this.centre,editHandles:[this.centre.offset(this.radius,0)]}},Rectangle.prototype=new Shape,Rectangle.prototype.getType=function(){return"rectangle"},Rectangle.prototype.getCoordinates=function(){return this.centre+";"+this.width+","+this.height},Rectangle.prototype.makeSvg=function(svg){var svgEl=createSvgShapeGroup(svg,"rect");return this.updateSvg(svgEl),svgEl},Rectangle.prototype.updateSvg=function(svgEl){this.width>=0?(svgEl.childNodes[0].setAttribute("x",this.centre.x),svgEl.childNodes[0].setAttribute("width",this.width)):(svgEl.childNodes[0].setAttribute("x",this.centre.x+this.width),svgEl.childNodes[0].setAttribute("width",-this.width)),this.height>=0?(svgEl.childNodes[0].setAttribute("y",this.centre.y),svgEl.childNodes[0].setAttribute("height",this.height)):(svgEl.childNodes[0].setAttribute("y",this.centre.y+this.height),svgEl.childNodes[0].setAttribute("height",-this.height)),svgEl.childNodes[1].setAttribute("x",this.centre.x+this.width/2),svgEl.childNodes[1].setAttribute("y",this.centre.y+this.height/2+15),svgEl.childNodes[1].textContent=this.label},Rectangle.prototype.parse=function(coordinates,ratio){if(!coordinates.match(/^\d+(\.\d+)?,\d+(\.\d+)?;\d+(\.\d+)?,\d+(\.\d+)?$/))return!1;var bits=coordinates.split(";");this.centre=Point.parse(bits[0]),this.centre.x=this.centre.x*parseFloat(ratio),this.centre.y=this.centre.y*parseFloat(ratio);var size=Point.parse(bits[1]);return this.width=size.x*parseFloat(ratio),this.height=size.y*parseFloat(ratio),!0},Rectangle.prototype.move=function(dx,dy,maxX,maxY){this.centre.move(dx,dy),this.centre.x<0&&(this.centre.x=0),this.centre.x>maxX-this.width&&(this.centre.x=maxX-this.width),this.centre.y<0&&(this.centre.y=0),this.centre.y>maxY-this.height&&(this.centre.y=maxY-this.height)},Rectangle.prototype.edit=function(handleIndex,dx,dy,maxX,maxY){this.width+=dx,this.height+=dy,this.width<-this.centre.x&&(this.width=-this.centre.x),this.width>maxX-this.centre.x&&(this.width=maxX-this.centre.x),this.height<-this.centre.y&&(this.height=-this.centre.y),this.height>maxY-this.centre.y&&(this.height=maxY-this.centre.y)},Rectangle.prototype.normalizeShape=function(){this.width<0&&(this.centre.x+=this.width,this.width=-this.width),this.height<0&&(this.centre.y+=this.height,this.height=-this.height)},Rectangle.prototype.makeSimilarCircle=function(){return new Circle(this.label,Math.round(this.centre.x+this.width/2),Math.round(this.centre.y+this.height/2),Math.round((this.width+this.height)/4))},Rectangle.prototype.makeSimilarPolygon=function(){return new Polygon(this.label,[this.centre,this.centre.offset(0,this.height),this.centre.offset(this.width,this.height),this.centre.offset(this.width,0)])},Rectangle.prototype.getHandlePositions=function(){return{moveHandle:this.centre.offset(this.width/2,this.height/2),editHandles:[this.centre.offset(this.width,this.height)]}},Polygon.prototype=new Shape,Polygon.prototype.getType=function(){return"polygon"},Polygon.prototype.getCoordinates=function(){for(var coordinates="",i=0;i<this.points.length;i++)coordinates+=this.centre.offset(this.points[i])+";";return coordinates.slice(0,coordinates.length-1)},Polygon.prototype.makeSvg=function(svg){var svgEl=createSvgShapeGroup(svg,"polygon");return this.updateSvg(svgEl),svgEl},Polygon.prototype.updateSvg=function(svgEl){svgEl.childNodes[0].setAttribute("points",this.getCoordinates().replace(/[,;]/g," ")),svgEl.childNodes[0].setAttribute("transform","scale("+parseFloat(this.ratio)+")"),svgEl.childNodes[1].setAttribute("x",this.centre.x),svgEl.childNodes[1].setAttribute("y",this.centre.y+15),svgEl.childNodes[1].textContent=this.label},Polygon.prototype.parse=function(coordinates,ratio){if(!coordinates.match(/^\d+(\.\d+)?,\d+(\.\d+)?(?:;\d+(\.\d+)?,\d+(\.\d+)?)*$/))return!1;for(var bits=coordinates.split(";"),points=[],i=0;i<bits.length;i++)points.push(Point.parse(bits[i]));return this.points=points,this.centre.x=0,this.centre.y=0,this.ratio=ratio,this.normalizeShape(),!0},Polygon.prototype.move=function(dx,dy,maxX,maxY){this.centre.move(dx,dy);for(var bbXMin=maxX,bbXMax=0,bbYMin=maxY,bbYMax=0,i=0;i<this.points.length;i++)bbXMin=Math.min(bbXMin,this.points[i].x),bbXMax=Math.max(bbXMax,this.points[i].x),bbYMin=Math.min(bbYMin,this.points[i].y),bbYMax=Math.max(bbYMax,this.points[i].y);this.centre.x<-bbXMin&&(this.centre.x=-bbXMin),this.centre.x>maxX-bbXMax&&(this.centre.x=maxX-bbXMax),this.centre.y<-bbYMin&&(this.centre.y=-bbYMin),this.centre.y>maxY-bbYMax&&(this.centre.y=maxY-bbYMax)},Polygon.prototype.edit=function(handleIndex,dx,dy,maxX,maxY){this.points[handleIndex].move(dx,dy),this.points[handleIndex].x<-this.centre.x&&(this.points[handleIndex].x=-this.centre.x),this.points[handleIndex].x>maxX-this.centre.x&&(this.points[handleIndex].x=maxX-this.centre.x),this.points[handleIndex].y<-this.centre.y&&(this.points[handleIndex].y=-this.centre.y),this.points[handleIndex].y>maxY-this.centre.y&&(this.points[handleIndex].y=maxY-this.centre.y)},Polygon.prototype.addNewPointAfter=function(pointIndex){this.points.splice(pointIndex,0,new Point(this.points[pointIndex].x,this.points[pointIndex].y))},Polygon.prototype.normalizeShape=function(){var i,x=0,y=0;if(0!==this.points.length){for(i=0;i<this.points.length;i++)x+=this.points[i].x,y+=this.points[i].y;if(x=Math.round(x/this.points.length),y=Math.round(y/this.points.length),0!==x||0!==y){for(i=0;i<this.points.length;i++)this.points[i].move(-x,-y);this.centre.move(x,y)}}},Polygon.prototype.makeSimilarCircle=function(){return this.makeSimilarRectangle().makeSimilarCircle()},Polygon.prototype.makeSimilarRectangle=function(){for(var p,minX=0,maxX=0,minY=0,maxY=0,i=0;i<this.points.length;i++)p=this.points[i],minX=Math.min(minX,p.x),maxX=Math.max(maxX,p.x),minY=Math.min(minY,p.y),maxY=Math.max(maxY,p.y);return new Rectangle(this.label,this.centre.x+minX,this.centre.y+minY,Math.max(maxX-minX,10),Math.max(maxY-minY,10))},Polygon.prototype.getHandlePositions=function(){for(var editHandles=[],i=0;i<this.points.length;i++)editHandles.push(this.points[i].offset(this.centre.x,this.centre.y));return this.centre.x=this.centre.x*parseFloat(this.ratio),this.centre.y=this.centre.y*parseFloat(this.ratio),{moveHandle:this.centre,editHandles:editHandles}},NullShape.prototype=new Shape,NullShape.prototype.getType=function(){return"null"},NullShape.prototype.getCoordinates=function(){return""},NullShape.prototype.makeSvg=function(svg){return null},NullShape.prototype.updateSvg=function(svgEl){},NullShape.prototype.parse=function(coordinates){return!1},NullShape.prototype.makeSimilarCircle=function(){return new Circle(this.label)},NullShape.prototype.makeSimilarRectangle=function(){return new Rectangle(this.label)},NullShape.prototype.makeSimilarPolygon=function(){return new Polygon(this.label)},{Point:Point,Shape:Shape,Circle:Circle,Rectangle:Rectangle,Polygon:Polygon,NullShape:NullShape,createSvgElement:createSvgElement,make:function(shapeType,label){switch(shapeType){case"circle":return new Circle(label);case"rectangle":return new Rectangle(label);case"polygon":return new Polygon(label);default:return new NullShape(label)}},getSimilar:function(shapeType,shape){if(shapeType===shape.getType())return shape;switch(shapeType){case"circle":return shape.makeSimilarCircle();case"rectangle":return shape.makeSimilarRectangle();case"polygon":return shape.makeSimilarPolygon();default:return new NullShape(shape.label)}}}}));
+
+//# sourceMappingURL=shapes.min.js.map
\ No newline at end of file
diff --git a/question/type/ddmarker/amd/build/shapes.min.js.map b/question/type/ddmarker/amd/build/shapes.min.js.map
index 8bc1858c035..f59a8b9798b 100644
--- a/question/type/ddmarker/amd/build/shapes.min.js.map
+++ b/question/type/ddmarker/amd/build/shapes.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/* eslint max-depth: [\"error\", 8] */\n\n/**\n * Library of classes for handling simple shapes.\n *\n * These classes can represent shapes, let you alter them, can go to and from a string\n * representation, and can give you an SVG representation.\n *\n * @package    qtype_ddmarker\n * @subpackage shapes\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(function() {\n\n    \"use strict\";\n\n    /**\n     * A point, with x and y coordinates.\n     *\n     * @param {int} x centre X.\n     * @param {int} y centre Y.\n     * @constructor\n     */\n    function Point(x, y) {\n        this.x = x;\n        this.y = y;\n    }\n\n    /**\n     * Standard toString method.\n     * @returns {string} \"x;y\";\n     */\n    Point.prototype.toString = function() {\n        return this.x + ',' + this.y;\n    };\n\n    /**\n     * Move a point\n     * @param {int} dx x offset\n     * @param {int} dy y offset\n     */\n    Point.prototype.move = function(dx, dy) {\n        this.x += dx;\n        this.y += dy;\n    };\n\n    /**\n     * Return a new point that is a certain position relative to this one.\n     *\n     * @param {(int|Point)} offsetX if a point, offset by this points coordinates, else and int x offset.\n     * @param {int} [offsetY] used if offsetX is an int, the corresponding y offset.\n     * @return {Point} the new point.\n     */\n    Point.prototype.offset = function(offsetX, offsetY) {\n        if (offsetX instanceof Point) {\n            offsetY = offsetX.y;\n            offsetX = offsetX.x;\n        }\n        return new Point(this.x + offsetX, this.y + offsetY);\n    };\n\n    /**\n     * Make a point from the string representation.\n     *\n     * @param {String} coordinates \"x,y\".\n     * @return {Point} the point. Throws an exception if input is not valid.\n     */\n    Point.parse = function(coordinates) {\n        var bits = coordinates.split(',');\n        if (bits.length !== 2) {\n            throw new Error(coordinates + ' is not a valid point');\n        }\n        return new Point(Math.round(bits[0]), Math.round(bits[1]));\n    };\n\n\n    /**\n     * Shape constructor. Abstract class to represent the different types of drop zone shapes.\n     *\n     * @param {String} [label] name of this area.\n     * @param {int} [x] centre X.\n     * @param {int} [y] centre Y.\n     * @constructor\n     */\n    function Shape(label, x, y) {\n        this.label = label;\n        this.centre = new Point(x || 0, y || 0);\n    }\n\n    /**\n     * Get the type of shape.\n     *\n     * @return {String} 'circle', 'rectangle' or 'polygon';\n     */\n    Shape.prototype.getType = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Get the string representation of this shape.\n     *\n     * @return {String} coordinates as they need to be typed into the form.\n     */\n    Shape.prototype.getCoordinates = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Update the shape from the string representation.\n     *\n     * @param {String} coordinates in the form returned by getCoordinates.\n     * @param {number} ratio Ratio to scale.\n     * @return {boolean} true if the string could be parsed and the shape updated, else false.\n     */\n    Shape.prototype.parse = function(coordinates, ratio) {\n        void (coordinates, ratio);\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Move the entire shape by this offset.\n     *\n     * @param {int} dx x offset.\n     * @param {int} dy y offset.\n     * @param {int} maxX ensure that after editing, the shape lies between 0 and maxX on the x-axis.\n     * @param {int} maxY ensure that after editing, the shape lies between 0 and maxX on the y-axis.\n     */\n    Shape.prototype.move = function(dx, dy, maxX, maxY) {\n        void (maxY);\n    };\n\n    /**\n     * Move one of the edit handles by this offset.\n     *\n     * @param {int} handleIndex which handle was moved.\n     * @param {int} dx x offset.\n     * @param {int} dy y offset.\n     * @param {int} maxX ensure that after editing, the shape lies between 0 and maxX on the x-axis.\n     * @param {int} maxY ensure that after editing, the shape lies between 0 and maxX on the y-axis.\n     */\n    Shape.prototype.edit = function(handleIndex, dx, dy, maxX, maxY) {\n        void (maxY);\n    };\n\n    /**\n     * Update the properties of this shape after a sequence of edits.\n     *\n     * For example make sure the circle radius is positive, of the polygon centre is centred.\n     */\n    Shape.prototype.normalizeShape = function() {\n        void (1); // To make CiBoT happy.\n    };\n\n    /**\n     * Get the string representation of this shape.\n     *\n     * @param {SVGElement} svg the SVG graphic to add this shape to.\n     * @return {SVGElement} SVG representation of this shape.\n     */\n    Shape.prototype.makeSvg = function(svg) {\n        void (svg);\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Update the SVG representation of this shape.\n     *\n     * @param {SVGElement} svgEl the SVG representation of this shape.\n     */\n    Shape.prototype.updateSvg = function(svgEl) {\n        void (svgEl);\n    };\n\n    /**\n     * Make a circle similar to this shape.\n     *\n     * @return {Circle} a circle that is about the same size and position as this shape.\n     */\n    Shape.prototype.makeSimilarCircle = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Make a rectangle similar to this shape.\n     *\n     * @return {Rectangle} a rectangle that is about the same size and position as this shape.\n     */\n    Shape.prototype.makeSimilarRectangle = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Make a polygon similar to this shape.\n     *\n     * @return {Polygon} a polygon that is about the same size and position as this shape.\n     */\n    Shape.prototype.makeSimilarPolygon = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Get the handles that should be offered to edit this shape, or null if not appropriate.\n     *\n     * @return {[Object]} with properties moveHandle {Point} and editHandles {Point[]}\n     */\n    Shape.prototype.getHandlePositions = function() {\n        return null;\n    };\n\n\n    /**\n     * A shape that is a circle.\n     *\n     * @param {String} label name of this area.\n     * @param {int} [x] centre X.\n     * @param {int} [y] centre Y.\n     * @param {int} [radius] radius.\n     * @constructor\n     */\n    function Circle(label, x, y, radius) {\n        x = x || 15;\n        y = y || 15;\n        Shape.call(this, label, x, y);\n        this.radius = radius || 15;\n    }\n    Circle.prototype = new Shape();\n\n    Circle.prototype.getType = function() {\n        return 'circle';\n    };\n\n    Circle.prototype.getCoordinates = function() {\n        return this.centre + ';' + Math.abs(this.radius);\n    };\n\n    Circle.prototype.makeSvg = function(svg) {\n        var svgEl = createSvgShapeGroup(svg, 'circle');\n        this.updateSvg(svgEl);\n        return svgEl;\n    };\n\n    Circle.prototype.updateSvg = function(svgEl) {\n        svgEl.childNodes[0].setAttribute('cx', this.centre.x);\n        svgEl.childNodes[0].setAttribute('cy', this.centre.y);\n        svgEl.childNodes[0].setAttribute('r', Math.abs(this.radius));\n        svgEl.childNodes[1].setAttribute('x', this.centre.x);\n        svgEl.childNodes[1].setAttribute('y', this.centre.y + 15);\n        svgEl.childNodes[1].textContent = this.label;\n    };\n\n    Circle.prototype.parse = function(coordinates, ratio) {\n        if (!coordinates.match(/^\\d+(\\.\\d+)?,\\d+(\\.\\d+)?;\\d+(\\.\\d+)?$/)) {\n            return false;\n        }\n\n        var bits = coordinates.split(';');\n        this.centre = Point.parse(bits[0]);\n        this.centre.x = this.centre.x * parseFloat(ratio);\n        this.centre.y = this.centre.y * parseFloat(ratio);\n        this.radius = Math.round(bits[1]) * parseFloat(ratio);\n        return true;\n    };\n\n    Circle.prototype.move = function(dx, dy, maxX, maxY) {\n        this.centre.move(dx, dy);\n        if (this.centre.x < this.radius) {\n            this.centre.x = this.radius;\n        }\n        if (this.centre.x > maxX - this.radius) {\n            this.centre.x = maxX - this.radius;\n        }\n        if (this.centre.y < this.radius) {\n            this.centre.y = this.radius;\n        }\n        if (this.centre.y > maxY - this.radius) {\n            this.centre.y = maxY - this.radius;\n        }\n    };\n\n    Circle.prototype.edit = function(handleIndex, dx, dy, maxX, maxY) {\n        this.radius += dx;\n        var limit = Math.min(this.centre.x, this.centre.y, maxX - this.centre.x, maxY - this.centre.y);\n        if (this.radius > limit) {\n            this.radius = limit;\n        }\n        if (this.radius < -limit) {\n            this.radius = -limit;\n        }\n    };\n\n    /**\n     * Update the properties of this shape after a sequence of edits.\n     *\n     * For example make sure the circle radius is positive, of the polygon centre is centred.\n     */\n    Circle.prototype.normalizeShape = function() {\n        this.radius = Math.abs(this.radius);\n    };\n\n    Circle.prototype.makeSimilarRectangle = function() {\n        return new Rectangle(this.label,\n                this.centre.x - this.radius, this.centre.y - this.radius,\n                this.radius * 2, this.radius * 2);\n    };\n\n    Circle.prototype.makeSimilarPolygon = function() {\n        // We make a similar square, so if you go to and from Rectangle afterwards, it is loss-less.\n        return new Polygon(this.label, [\n                this.centre.offset(-this.radius, -this.radius), this.centre.offset(-this.radius, this.radius),\n                this.centre.offset(this.radius, this.radius), this.centre.offset(this.radius, -this.radius)]);\n    };\n\n    Circle.prototype.getHandlePositions = function() {\n        return {\n            moveHandle: this.centre,\n            editHandles: [this.centre.offset(this.radius, 0)]\n        };\n    };\n\n\n    /**\n     * A shape that is a rectangle.\n     *\n     * @param {String} label name of this area.\n     * @param {int} [x] top left X.\n     * @param {int} [y] top left Y.\n     * @param {int} [width] width.\n     * @param {int} [height] height.\n     * @constructor\n     */\n    function Rectangle(label, x, y, width, height) {\n        Shape.call(this, label, x, y);\n        this.width = width || 30;\n        this.height = height || 30;\n    }\n    Rectangle.prototype = new Shape();\n\n    Rectangle.prototype.getType = function() {\n        return 'rectangle';\n    };\n\n    Rectangle.prototype.getCoordinates = function() {\n        return this.centre + ';' + this.width + ',' + this.height;\n    };\n\n    Rectangle.prototype.makeSvg = function(svg) {\n        var svgEl = createSvgShapeGroup(svg, 'rect');\n        this.updateSvg(svgEl);\n        return svgEl;\n    };\n\n    Rectangle.prototype.updateSvg = function(svgEl) {\n        if (this.width >= 0) {\n            svgEl.childNodes[0].setAttribute('x', this.centre.x);\n            svgEl.childNodes[0].setAttribute('width', this.width);\n        } else {\n            svgEl.childNodes[0].setAttribute('x', this.centre.x + this.width);\n            svgEl.childNodes[0].setAttribute('width', -this.width);\n        }\n        if (this.height >= 0) {\n            svgEl.childNodes[0].setAttribute('y', this.centre.y);\n            svgEl.childNodes[0].setAttribute('height', this.height);\n        } else {\n            svgEl.childNodes[0].setAttribute('y', this.centre.y + this.height);\n            svgEl.childNodes[0].setAttribute('height', -this.height);\n        }\n\n        svgEl.childNodes[1].setAttribute('x', this.centre.x + this.width / 2);\n        svgEl.childNodes[1].setAttribute('y', this.centre.y + this.height / 2 + 15);\n        svgEl.childNodes[1].textContent = this.label;\n    };\n\n    Rectangle.prototype.parse = function(coordinates, ratio) {\n        if (!coordinates.match(/^\\d+(\\.\\d+)?,\\d+(\\.\\d+)?;\\d+(\\.\\d+)?,\\d+(\\.\\d+)?$/)) {\n            return false;\n        }\n\n        var bits = coordinates.split(';');\n        this.centre = Point.parse(bits[0]);\n        this.centre.x = this.centre.x * parseFloat(ratio);\n        this.centre.y = this.centre.y * parseFloat(ratio);\n        var size = Point.parse(bits[1]);\n        this.width = size.x * parseFloat(ratio);\n        this.height = size.y * parseFloat(ratio);\n        return true;\n    };\n\n    Rectangle.prototype.move = function(dx, dy, maxX, maxY) {\n        this.centre.move(dx, dy);\n        if (this.centre.x < 0) {\n            this.centre.x = 0;\n        }\n        if (this.centre.x > maxX - this.width) {\n            this.centre.x = maxX - this.width;\n        }\n        if (this.centre.y < 0) {\n            this.centre.y = 0;\n        }\n        if (this.centre.y > maxY - this.height) {\n            this.centre.y = maxY - this.height;\n        }\n    };\n\n    Rectangle.prototype.edit = function(handleIndex, dx, dy, maxX, maxY) {\n        this.width += dx;\n        this.height += dy;\n        if (this.width < -this.centre.x) {\n            this.width = -this.centre.x;\n        }\n        if (this.width > maxX - this.centre.x) {\n            this.width = maxX - this.centre.x;\n        }\n        if (this.height < -this.centre.y) {\n            this.height = -this.centre.y;\n        }\n        if (this.height > maxY - this.centre.y) {\n            this.height = maxY - this.centre.y;\n        }\n    };\n\n    /**\n     * Update the properties of this shape after a sequence of edits.\n     *\n     * For example make sure the circle radius is positive, of the polygon centre is centred.\n     */\n    Rectangle.prototype.normalizeShape = function() {\n        if (this.width < 0) {\n            this.centre.x += this.width;\n            this.width = -this.width;\n        }\n        if (this.height < 0) {\n            this.centre.y += this.height;\n            this.height = -this.height;\n        }\n    };\n\n    Rectangle.prototype.makeSimilarCircle = function() {\n        return new Circle(this.label,\n                Math.round(this.centre.x + this.width / 2),\n                Math.round(this.centre.y + this.height / 2),\n                Math.round((this.width + this.height) / 4));\n    };\n\n    Rectangle.prototype.makeSimilarPolygon = function() {\n        return new Polygon(this.label, [\n            this.centre, this.centre.offset(0, this.height),\n            this.centre.offset(this.width, this.height), this.centre.offset(this.width, 0)]);\n    };\n\n    Rectangle.prototype.getHandlePositions = function() {\n        return {\n            moveHandle: this.centre.offset(this.width / 2, this.height / 2),\n            editHandles: [this.centre.offset(this.width, this.height)]\n        };\n    };\n\n\n    /**\n     * A shape that is a polygon.\n     *\n     * @param {String} label name of this area.\n     * @param {Point[]} [points] position of the vertices relative to (centreX, centreY).\n     *      each object in the array should have two\n     * @constructor\n     */\n    function Polygon(label, points) {\n        Shape.call(this, label, 0, 0);\n        this.points = points ? points.slice() : [new Point(10, 10), new Point(40, 10), new Point(10, 40)];\n        this.normalizeShape();\n        this.ratio = 1;\n    }\n    Polygon.prototype = new Shape();\n\n    Polygon.prototype.getType = function() {\n        return 'polygon';\n    };\n\n    Polygon.prototype.getCoordinates = function() {\n        var coordinates = '';\n        for (var i = 0; i < this.points.length; i++) {\n            coordinates += this.centre.offset(this.points[i]) + ';';\n        }\n        return coordinates.slice(0, coordinates.length - 1); // Strip off the last ';'.\n    };\n\n    Polygon.prototype.makeSvg = function(svg) {\n        var svgEl = createSvgShapeGroup(svg, 'polygon');\n        this.updateSvg(svgEl);\n        return svgEl;\n    };\n\n    Polygon.prototype.updateSvg = function(svgEl) {\n        svgEl.childNodes[0].setAttribute('points', this.getCoordinates().replace(/[,;]/g, ' '));\n        svgEl.childNodes[0].setAttribute('transform', 'scale(' + parseFloat(this.ratio) + ')');\n        svgEl.childNodes[1].setAttribute('x', this.centre.x);\n        svgEl.childNodes[1].setAttribute('y', this.centre.y + 15);\n        svgEl.childNodes[1].textContent = this.label;\n    };\n\n    Polygon.prototype.parse = function(coordinates, ratio) {\n        if (!coordinates.match(/^\\d+(\\.\\d+)?,\\d+(\\.\\d+)?(?:;\\d+(\\.\\d+)?,\\d+(\\.\\d+)?)*$/)) {\n            return false;\n        }\n\n        var bits = coordinates.split(';');\n        var points = [];\n        for (var i = 0; i < bits.length; i++) {\n            points.push(Point.parse(bits[i]));\n        }\n\n        this.points = points;\n        this.centre.x = 0;\n        this.centre.y = 0;\n        this.ratio = ratio;\n        this.normalizeShape();\n\n        return true;\n    };\n\n    Polygon.prototype.move = function(dx, dy, maxX, maxY) {\n        this.centre.move(dx, dy);\n        var bbXMin = maxX,\n            bbXMax = 0,\n            bbYMin = maxY,\n            bbYMax = 0;\n        // Computer centre.\n        for (var i = 0; i < this.points.length; i++) {\n            bbXMin = Math.min(bbXMin, this.points[i].x);\n            bbXMax = Math.max(bbXMax, this.points[i].x);\n            bbYMin = Math.min(bbYMin, this.points[i].y);\n            bbYMax = Math.max(bbYMax, this.points[i].y);\n        }\n        if (this.centre.x < -bbXMin) {\n            this.centre.x = -bbXMin;\n        }\n        if (this.centre.x > maxX - bbXMax) {\n            this.centre.x = maxX - bbXMax;\n        }\n        if (this.centre.y < -bbYMin) {\n            this.centre.y = -bbYMin;\n        }\n        if (this.centre.y > maxY - bbYMax) {\n            this.centre.y = maxY - bbYMax;\n        }\n    };\n\n    Polygon.prototype.edit = function(handleIndex, dx, dy, maxX, maxY) {\n        this.points[handleIndex].move(dx, dy);\n        if (this.points[handleIndex].x < -this.centre.x) {\n            this.points[handleIndex].x = -this.centre.x;\n        }\n        if (this.points[handleIndex].x > maxX - this.centre.x) {\n            this.points[handleIndex].x = maxX - this.centre.x;\n        }\n        if (this.points[handleIndex].y < -this.centre.y) {\n            this.points[handleIndex].y = -this.centre.y;\n        }\n        if (this.points[handleIndex].y > maxY - this.centre.y) {\n            this.points[handleIndex].y = maxY - this.centre.y;\n        }\n    };\n\n    /**\n     * Add a new point after the given point, with the same co-ordinates.\n     *\n     * This does not automatically normalise.\n     *\n     * @param {int} pointIndex the index of the vertex after which to insert this new one.\n     */\n    Polygon.prototype.addNewPointAfter = function(pointIndex) {\n        this.points.splice(pointIndex, 0,\n                new Point(this.points[pointIndex].x, this.points[pointIndex].y));\n    };\n\n    Polygon.prototype.normalizeShape = function() {\n        var i,\n            x = 0,\n            y = 0;\n\n        if (this.points.length === 0) {\n            return;\n        }\n\n        // Computer centre.\n        for (i = 0; i < this.points.length; i++) {\n            x += this.points[i].x;\n            y += this.points[i].y;\n        }\n        x = Math.round(x / this.points.length);\n        y = Math.round(y / this.points.length);\n\n        if (x === 0 && y === 0) {\n            return;\n        }\n\n        for (i = 0; i < this.points.length; i++) {\n            this.points[i].move(-x, -y);\n        }\n        this.centre.move(x, y);\n    };\n\n    Polygon.prototype.makeSimilarCircle = function() {\n        return this.makeSimilarRectangle().makeSimilarCircle();\n    };\n\n    Polygon.prototype.makeSimilarRectangle = function() {\n        var p,\n            minX = 0,\n            maxX = 0,\n            minY = 0,\n            maxY = 0;\n        for (var i = 0; i < this.points.length; i++) {\n            p = this.points[i];\n            minX = Math.min(minX, p.x);\n            maxX = Math.max(maxX, p.x);\n            minY = Math.min(minY, p.y);\n            maxY = Math.max(maxY, p.y);\n        }\n        return new Rectangle(this.label,\n                this.centre.x + minX, this.centre.y + minY,\n                Math.max(maxX - minX, 10), Math.max(maxY - minY, 10));\n    };\n\n    Polygon.prototype.getHandlePositions = function() {\n        var editHandles = [];\n        for (var i = 0; i < this.points.length; i++) {\n            editHandles.push(this.points[i].offset(this.centre.x, this.centre.y));\n        }\n\n        this.centre.x = this.centre.x * parseFloat(this.ratio);\n        this.centre.y = this.centre.y * parseFloat(this.ratio);\n\n        return {\n            moveHandle: this.centre,\n            editHandles: editHandles\n        };\n    };\n\n\n    /**\n     * Not a shape (null object pattern).\n     *\n     * @param {String} label name of this area.\n     * @constructor\n     */\n    function NullShape(label) {\n        Shape.call(this, label);\n    }\n    NullShape.prototype = new Shape();\n\n    NullShape.prototype.getType = function() {\n        return 'null';\n    };\n\n    NullShape.prototype.getCoordinates = function() {\n        return '';\n    };\n\n    NullShape.prototype.makeSvg = function(svg) {\n        void (svg);\n        return null;\n    };\n\n    NullShape.prototype.updateSvg = function(svgEl) {\n        void (svgEl);\n    };\n\n    NullShape.prototype.parse = function(coordinates) {\n        void (coordinates);\n        return false;\n    };\n\n    NullShape.prototype.makeSimilarCircle = function() {\n        return new Circle(this.label);\n    };\n\n    NullShape.prototype.makeSimilarRectangle = function() {\n        return new Rectangle(this.label);\n    };\n\n    NullShape.prototype.makeSimilarPolygon = function() {\n        return new Polygon(this.label);\n    };\n\n\n    /**\n     * Make a new SVG DOM element as a child of svg.\n     *\n     * @param {SVGElement} svg the parent node.\n     * @param {String} tagName the tag name.\n     * @return {SVGElement} the newly created node.\n     */\n    function createSvgElement(svg, tagName) {\n        var svgEl = svg.ownerDocument.createElementNS('http://www.w3.org/2000/svg', tagName);\n        svg.appendChild(svgEl);\n        return svgEl;\n    }\n\n    /**\n     * Make a group SVG DOM elements containing a shape of the given type as first child,\n     * and a text label as the second child.\n     *\n     * @param {SVGElement} svg the parent node.\n     * @param {String} tagName the tag name.\n     * @return {SVGElement} the newly created g element.\n     */\n    function createSvgShapeGroup(svg, tagName) {\n        var svgEl = createSvgElement(svg, 'g');\n        createSvgElement(svgEl, tagName).setAttribute('class', 'shape');\n        createSvgElement(svgEl, 'text').setAttribute('class', 'shapeLabel');\n        return svgEl;\n    }\n\n    /**\n     * @alias module:qtype_ddmarker/shapes\n     */\n    return {\n        /**\n         * A point, with x and y coordinates.\n         *\n         * @param {int} x centre X.\n         * @param {int} y centre Y.\n         * @constructor\n         */\n        Point: Point,\n\n        /**\n         * A point, with x and y coordinates.\n         *\n         * @param {int} x centre X.\n         * @param {int} y centre Y.\n         * @constructor\n         */\n        Shape: Shape,\n\n        /**\n         * A shape that is a circle.\n         *\n         * @param {String} label name of this area.\n         * @param {int} [x] centre X.\n         * @param {int} [y] centre Y.\n         * @param {int} [radius] radius.\n         * @constructor\n         */\n        Circle: Circle,\n\n        /**\n         * A shape that is a rectangle.\n         *\n         * @param {String} label name of this area.\n         * @param {int} [x] top left X.\n         * @param {int} [y] top left Y.\n         * @param {int} [width] width.\n         * @param {int} [height] height.\n         * @constructor\n         */\n        Rectangle: Rectangle,\n\n        /**\n         * A shape that is a polygon.\n         *\n         * @param {String} label name of this area.\n         * @param {Point[]} [points] position of the vertices relative to (centreX, centreY).\n         *      each object in the array should have two\n         * @constructor\n         */\n        Polygon: Polygon,\n\n        /**\n         * Not a shape (null object pattern).\n         *\n         * @param {String} label name of this area.\n         * @constructor\n         */\n        NullShape: NullShape,\n\n        /**\n         * Make a new SVG DOM element as a child of svg.\n         *\n         * @param {SVGElement} svg the parent node.\n         * @param {String} tagName the tag name.\n         * @return {SVGElement} the newly created node.\n         */\n        createSvgElement: createSvgElement,\n\n        /**\n         * Make a shape of the given type.\n         *\n         * @param {String} shapeType\n         * @param {String} label\n         * @return {Shape} the requested shape.\n         */\n        make: function(shapeType, label) {\n            switch (shapeType) {\n                case 'circle':\n                    return new Circle(label);\n                case 'rectangle':\n                    return new Rectangle(label);\n                case 'polygon':\n                    return new Polygon(label);\n                default:\n                    return new NullShape(label);\n            }\n        },\n\n        /**\n         * Make a shape of the given type that is similar to the shape of the original type.\n         *\n         * @param {String} shapeType the new type of shape to make\n         * @param {Shape} shape the shape to copy\n         * @return {Shape} the similar shape of a different type.\n         */\n        getSimilar: function(shapeType, shape) {\n            if (shapeType === shape.getType()) {\n                return shape;\n            }\n            switch (shapeType) {\n                case 'circle':\n                    return shape.makeSimilarCircle();\n                case 'rectangle':\n                    return shape.makeSimilarRectangle();\n                case 'polygon':\n                    return shape.makeSimilarPolygon();\n                default:\n                    return new NullShape(shape.label);\n            }\n        }\n    };\n});\n"],"file":"shapes.min.js"}
\ No newline at end of file
+{"version":3,"file":"shapes.min.js","sources":["../src/shapes.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/* eslint max-depth: [\"error\", 8] */\n\n/**\n * Library of classes for handling simple shapes.\n *\n * These classes can represent shapes, let you alter them, can go to and from a string\n * representation, and can give you an SVG representation.\n *\n * @package    qtype_ddmarker\n * @subpackage shapes\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(function() {\n\n    \"use strict\";\n\n    /**\n     * A point, with x and y coordinates.\n     *\n     * @param {int} x centre X.\n     * @param {int} y centre Y.\n     * @constructor\n     */\n    function Point(x, y) {\n        this.x = x;\n        this.y = y;\n    }\n\n    /**\n     * Standard toString method.\n     * @returns {string} \"x;y\";\n     */\n    Point.prototype.toString = function() {\n        return this.x + ',' + this.y;\n    };\n\n    /**\n     * Move a point\n     * @param {int} dx x offset\n     * @param {int} dy y offset\n     */\n    Point.prototype.move = function(dx, dy) {\n        this.x += dx;\n        this.y += dy;\n    };\n\n    /**\n     * Return a new point that is a certain position relative to this one.\n     *\n     * @param {(int|Point)} offsetX if a point, offset by this points coordinates, else and int x offset.\n     * @param {int} [offsetY] used if offsetX is an int, the corresponding y offset.\n     * @return {Point} the new point.\n     */\n    Point.prototype.offset = function(offsetX, offsetY) {\n        if (offsetX instanceof Point) {\n            offsetY = offsetX.y;\n            offsetX = offsetX.x;\n        }\n        return new Point(this.x + offsetX, this.y + offsetY);\n    };\n\n    /**\n     * Make a point from the string representation.\n     *\n     * @param {String} coordinates \"x,y\".\n     * @return {Point} the point. Throws an exception if input is not valid.\n     */\n    Point.parse = function(coordinates) {\n        var bits = coordinates.split(',');\n        if (bits.length !== 2) {\n            throw new Error(coordinates + ' is not a valid point');\n        }\n        return new Point(Math.round(bits[0]), Math.round(bits[1]));\n    };\n\n\n    /**\n     * Shape constructor. Abstract class to represent the different types of drop zone shapes.\n     *\n     * @param {String} [label] name of this area.\n     * @param {int} [x] centre X.\n     * @param {int} [y] centre Y.\n     * @constructor\n     */\n    function Shape(label, x, y) {\n        this.label = label;\n        this.centre = new Point(x || 0, y || 0);\n    }\n\n    /**\n     * Get the type of shape.\n     *\n     * @return {String} 'circle', 'rectangle' or 'polygon';\n     */\n    Shape.prototype.getType = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Get the string representation of this shape.\n     *\n     * @return {String} coordinates as they need to be typed into the form.\n     */\n    Shape.prototype.getCoordinates = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Update the shape from the string representation.\n     *\n     * @param {String} coordinates in the form returned by getCoordinates.\n     * @param {number} ratio Ratio to scale.\n     * @return {boolean} true if the string could be parsed and the shape updated, else false.\n     */\n    Shape.prototype.parse = function(coordinates, ratio) {\n        void (coordinates, ratio);\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Move the entire shape by this offset.\n     *\n     * @param {int} dx x offset.\n     * @param {int} dy y offset.\n     * @param {int} maxX ensure that after editing, the shape lies between 0 and maxX on the x-axis.\n     * @param {int} maxY ensure that after editing, the shape lies between 0 and maxX on the y-axis.\n     */\n    Shape.prototype.move = function(dx, dy, maxX, maxY) {\n        void (maxY);\n    };\n\n    /**\n     * Move one of the edit handles by this offset.\n     *\n     * @param {int} handleIndex which handle was moved.\n     * @param {int} dx x offset.\n     * @param {int} dy y offset.\n     * @param {int} maxX ensure that after editing, the shape lies between 0 and maxX on the x-axis.\n     * @param {int} maxY ensure that after editing, the shape lies between 0 and maxX on the y-axis.\n     */\n    Shape.prototype.edit = function(handleIndex, dx, dy, maxX, maxY) {\n        void (maxY);\n    };\n\n    /**\n     * Update the properties of this shape after a sequence of edits.\n     *\n     * For example make sure the circle radius is positive, of the polygon centre is centred.\n     */\n    Shape.prototype.normalizeShape = function() {\n        void (1); // To make CiBoT happy.\n    };\n\n    /**\n     * Get the string representation of this shape.\n     *\n     * @param {SVGElement} svg the SVG graphic to add this shape to.\n     * @return {SVGElement} SVG representation of this shape.\n     */\n    Shape.prototype.makeSvg = function(svg) {\n        void (svg);\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Update the SVG representation of this shape.\n     *\n     * @param {SVGElement} svgEl the SVG representation of this shape.\n     */\n    Shape.prototype.updateSvg = function(svgEl) {\n        void (svgEl);\n    };\n\n    /**\n     * Make a circle similar to this shape.\n     *\n     * @return {Circle} a circle that is about the same size and position as this shape.\n     */\n    Shape.prototype.makeSimilarCircle = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Make a rectangle similar to this shape.\n     *\n     * @return {Rectangle} a rectangle that is about the same size and position as this shape.\n     */\n    Shape.prototype.makeSimilarRectangle = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Make a polygon similar to this shape.\n     *\n     * @return {Polygon} a polygon that is about the same size and position as this shape.\n     */\n    Shape.prototype.makeSimilarPolygon = function() {\n        throw new Error('Not implemented.');\n    };\n\n    /**\n     * Get the handles that should be offered to edit this shape, or null if not appropriate.\n     *\n     * @return {[Object]} with properties moveHandle {Point} and editHandles {Point[]}\n     */\n    Shape.prototype.getHandlePositions = function() {\n        return null;\n    };\n\n\n    /**\n     * A shape that is a circle.\n     *\n     * @param {String} label name of this area.\n     * @param {int} [x] centre X.\n     * @param {int} [y] centre Y.\n     * @param {int} [radius] radius.\n     * @constructor\n     */\n    function Circle(label, x, y, radius) {\n        x = x || 15;\n        y = y || 15;\n        Shape.call(this, label, x, y);\n        this.radius = radius || 15;\n    }\n    Circle.prototype = new Shape();\n\n    Circle.prototype.getType = function() {\n        return 'circle';\n    };\n\n    Circle.prototype.getCoordinates = function() {\n        return this.centre + ';' + Math.abs(this.radius);\n    };\n\n    Circle.prototype.makeSvg = function(svg) {\n        var svgEl = createSvgShapeGroup(svg, 'circle');\n        this.updateSvg(svgEl);\n        return svgEl;\n    };\n\n    Circle.prototype.updateSvg = function(svgEl) {\n        svgEl.childNodes[0].setAttribute('cx', this.centre.x);\n        svgEl.childNodes[0].setAttribute('cy', this.centre.y);\n        svgEl.childNodes[0].setAttribute('r', Math.abs(this.radius));\n        svgEl.childNodes[1].setAttribute('x', this.centre.x);\n        svgEl.childNodes[1].setAttribute('y', this.centre.y + 15);\n        svgEl.childNodes[1].textContent = this.label;\n    };\n\n    Circle.prototype.parse = function(coordinates, ratio) {\n        if (!coordinates.match(/^\\d+(\\.\\d+)?,\\d+(\\.\\d+)?;\\d+(\\.\\d+)?$/)) {\n            return false;\n        }\n\n        var bits = coordinates.split(';');\n        this.centre = Point.parse(bits[0]);\n        this.centre.x = this.centre.x * parseFloat(ratio);\n        this.centre.y = this.centre.y * parseFloat(ratio);\n        this.radius = Math.round(bits[1]) * parseFloat(ratio);\n        return true;\n    };\n\n    Circle.prototype.move = function(dx, dy, maxX, maxY) {\n        this.centre.move(dx, dy);\n        if (this.centre.x < this.radius) {\n            this.centre.x = this.radius;\n        }\n        if (this.centre.x > maxX - this.radius) {\n            this.centre.x = maxX - this.radius;\n        }\n        if (this.centre.y < this.radius) {\n            this.centre.y = this.radius;\n        }\n        if (this.centre.y > maxY - this.radius) {\n            this.centre.y = maxY - this.radius;\n        }\n    };\n\n    Circle.prototype.edit = function(handleIndex, dx, dy, maxX, maxY) {\n        this.radius += dx;\n        var limit = Math.min(this.centre.x, this.centre.y, maxX - this.centre.x, maxY - this.centre.y);\n        if (this.radius > limit) {\n            this.radius = limit;\n        }\n        if (this.radius < -limit) {\n            this.radius = -limit;\n        }\n    };\n\n    /**\n     * Update the properties of this shape after a sequence of edits.\n     *\n     * For example make sure the circle radius is positive, of the polygon centre is centred.\n     */\n    Circle.prototype.normalizeShape = function() {\n        this.radius = Math.abs(this.radius);\n    };\n\n    Circle.prototype.makeSimilarRectangle = function() {\n        return new Rectangle(this.label,\n                this.centre.x - this.radius, this.centre.y - this.radius,\n                this.radius * 2, this.radius * 2);\n    };\n\n    Circle.prototype.makeSimilarPolygon = function() {\n        // We make a similar square, so if you go to and from Rectangle afterwards, it is loss-less.\n        return new Polygon(this.label, [\n                this.centre.offset(-this.radius, -this.radius), this.centre.offset(-this.radius, this.radius),\n                this.centre.offset(this.radius, this.radius), this.centre.offset(this.radius, -this.radius)]);\n    };\n\n    Circle.prototype.getHandlePositions = function() {\n        return {\n            moveHandle: this.centre,\n            editHandles: [this.centre.offset(this.radius, 0)]\n        };\n    };\n\n\n    /**\n     * A shape that is a rectangle.\n     *\n     * @param {String} label name of this area.\n     * @param {int} [x] top left X.\n     * @param {int} [y] top left Y.\n     * @param {int} [width] width.\n     * @param {int} [height] height.\n     * @constructor\n     */\n    function Rectangle(label, x, y, width, height) {\n        Shape.call(this, label, x, y);\n        this.width = width || 30;\n        this.height = height || 30;\n    }\n    Rectangle.prototype = new Shape();\n\n    Rectangle.prototype.getType = function() {\n        return 'rectangle';\n    };\n\n    Rectangle.prototype.getCoordinates = function() {\n        return this.centre + ';' + this.width + ',' + this.height;\n    };\n\n    Rectangle.prototype.makeSvg = function(svg) {\n        var svgEl = createSvgShapeGroup(svg, 'rect');\n        this.updateSvg(svgEl);\n        return svgEl;\n    };\n\n    Rectangle.prototype.updateSvg = function(svgEl) {\n        if (this.width >= 0) {\n            svgEl.childNodes[0].setAttribute('x', this.centre.x);\n            svgEl.childNodes[0].setAttribute('width', this.width);\n        } else {\n            svgEl.childNodes[0].setAttribute('x', this.centre.x + this.width);\n            svgEl.childNodes[0].setAttribute('width', -this.width);\n        }\n        if (this.height >= 0) {\n            svgEl.childNodes[0].setAttribute('y', this.centre.y);\n            svgEl.childNodes[0].setAttribute('height', this.height);\n        } else {\n            svgEl.childNodes[0].setAttribute('y', this.centre.y + this.height);\n            svgEl.childNodes[0].setAttribute('height', -this.height);\n        }\n\n        svgEl.childNodes[1].setAttribute('x', this.centre.x + this.width / 2);\n        svgEl.childNodes[1].setAttribute('y', this.centre.y + this.height / 2 + 15);\n        svgEl.childNodes[1].textContent = this.label;\n    };\n\n    Rectangle.prototype.parse = function(coordinates, ratio) {\n        if (!coordinates.match(/^\\d+(\\.\\d+)?,\\d+(\\.\\d+)?;\\d+(\\.\\d+)?,\\d+(\\.\\d+)?$/)) {\n            return false;\n        }\n\n        var bits = coordinates.split(';');\n        this.centre = Point.parse(bits[0]);\n        this.centre.x = this.centre.x * parseFloat(ratio);\n        this.centre.y = this.centre.y * parseFloat(ratio);\n        var size = Point.parse(bits[1]);\n        this.width = size.x * parseFloat(ratio);\n        this.height = size.y * parseFloat(ratio);\n        return true;\n    };\n\n    Rectangle.prototype.move = function(dx, dy, maxX, maxY) {\n        this.centre.move(dx, dy);\n        if (this.centre.x < 0) {\n            this.centre.x = 0;\n        }\n        if (this.centre.x > maxX - this.width) {\n            this.centre.x = maxX - this.width;\n        }\n        if (this.centre.y < 0) {\n            this.centre.y = 0;\n        }\n        if (this.centre.y > maxY - this.height) {\n            this.centre.y = maxY - this.height;\n        }\n    };\n\n    Rectangle.prototype.edit = function(handleIndex, dx, dy, maxX, maxY) {\n        this.width += dx;\n        this.height += dy;\n        if (this.width < -this.centre.x) {\n            this.width = -this.centre.x;\n        }\n        if (this.width > maxX - this.centre.x) {\n            this.width = maxX - this.centre.x;\n        }\n        if (this.height < -this.centre.y) {\n            this.height = -this.centre.y;\n        }\n        if (this.height > maxY - this.centre.y) {\n            this.height = maxY - this.centre.y;\n        }\n    };\n\n    /**\n     * Update the properties of this shape after a sequence of edits.\n     *\n     * For example make sure the circle radius is positive, of the polygon centre is centred.\n     */\n    Rectangle.prototype.normalizeShape = function() {\n        if (this.width < 0) {\n            this.centre.x += this.width;\n            this.width = -this.width;\n        }\n        if (this.height < 0) {\n            this.centre.y += this.height;\n            this.height = -this.height;\n        }\n    };\n\n    Rectangle.prototype.makeSimilarCircle = function() {\n        return new Circle(this.label,\n                Math.round(this.centre.x + this.width / 2),\n                Math.round(this.centre.y + this.height / 2),\n                Math.round((this.width + this.height) / 4));\n    };\n\n    Rectangle.prototype.makeSimilarPolygon = function() {\n        return new Polygon(this.label, [\n            this.centre, this.centre.offset(0, this.height),\n            this.centre.offset(this.width, this.height), this.centre.offset(this.width, 0)]);\n    };\n\n    Rectangle.prototype.getHandlePositions = function() {\n        return {\n            moveHandle: this.centre.offset(this.width / 2, this.height / 2),\n            editHandles: [this.centre.offset(this.width, this.height)]\n        };\n    };\n\n\n    /**\n     * A shape that is a polygon.\n     *\n     * @param {String} label name of this area.\n     * @param {Point[]} [points] position of the vertices relative to (centreX, centreY).\n     *      each object in the array should have two\n     * @constructor\n     */\n    function Polygon(label, points) {\n        Shape.call(this, label, 0, 0);\n        this.points = points ? points.slice() : [new Point(10, 10), new Point(40, 10), new Point(10, 40)];\n        this.normalizeShape();\n        this.ratio = 1;\n    }\n    Polygon.prototype = new Shape();\n\n    Polygon.prototype.getType = function() {\n        return 'polygon';\n    };\n\n    Polygon.prototype.getCoordinates = function() {\n        var coordinates = '';\n        for (var i = 0; i < this.points.length; i++) {\n            coordinates += this.centre.offset(this.points[i]) + ';';\n        }\n        return coordinates.slice(0, coordinates.length - 1); // Strip off the last ';'.\n    };\n\n    Polygon.prototype.makeSvg = function(svg) {\n        var svgEl = createSvgShapeGroup(svg, 'polygon');\n        this.updateSvg(svgEl);\n        return svgEl;\n    };\n\n    Polygon.prototype.updateSvg = function(svgEl) {\n        svgEl.childNodes[0].setAttribute('points', this.getCoordinates().replace(/[,;]/g, ' '));\n        svgEl.childNodes[0].setAttribute('transform', 'scale(' + parseFloat(this.ratio) + ')');\n        svgEl.childNodes[1].setAttribute('x', this.centre.x);\n        svgEl.childNodes[1].setAttribute('y', this.centre.y + 15);\n        svgEl.childNodes[1].textContent = this.label;\n    };\n\n    Polygon.prototype.parse = function(coordinates, ratio) {\n        if (!coordinates.match(/^\\d+(\\.\\d+)?,\\d+(\\.\\d+)?(?:;\\d+(\\.\\d+)?,\\d+(\\.\\d+)?)*$/)) {\n            return false;\n        }\n\n        var bits = coordinates.split(';');\n        var points = [];\n        for (var i = 0; i < bits.length; i++) {\n            points.push(Point.parse(bits[i]));\n        }\n\n        this.points = points;\n        this.centre.x = 0;\n        this.centre.y = 0;\n        this.ratio = ratio;\n        this.normalizeShape();\n\n        return true;\n    };\n\n    Polygon.prototype.move = function(dx, dy, maxX, maxY) {\n        this.centre.move(dx, dy);\n        var bbXMin = maxX,\n            bbXMax = 0,\n            bbYMin = maxY,\n            bbYMax = 0;\n        // Computer centre.\n        for (var i = 0; i < this.points.length; i++) {\n            bbXMin = Math.min(bbXMin, this.points[i].x);\n            bbXMax = Math.max(bbXMax, this.points[i].x);\n            bbYMin = Math.min(bbYMin, this.points[i].y);\n            bbYMax = Math.max(bbYMax, this.points[i].y);\n        }\n        if (this.centre.x < -bbXMin) {\n            this.centre.x = -bbXMin;\n        }\n        if (this.centre.x > maxX - bbXMax) {\n            this.centre.x = maxX - bbXMax;\n        }\n        if (this.centre.y < -bbYMin) {\n            this.centre.y = -bbYMin;\n        }\n        if (this.centre.y > maxY - bbYMax) {\n            this.centre.y = maxY - bbYMax;\n        }\n    };\n\n    Polygon.prototype.edit = function(handleIndex, dx, dy, maxX, maxY) {\n        this.points[handleIndex].move(dx, dy);\n        if (this.points[handleIndex].x < -this.centre.x) {\n            this.points[handleIndex].x = -this.centre.x;\n        }\n        if (this.points[handleIndex].x > maxX - this.centre.x) {\n            this.points[handleIndex].x = maxX - this.centre.x;\n        }\n        if (this.points[handleIndex].y < -this.centre.y) {\n            this.points[handleIndex].y = -this.centre.y;\n        }\n        if (this.points[handleIndex].y > maxY - this.centre.y) {\n            this.points[handleIndex].y = maxY - this.centre.y;\n        }\n    };\n\n    /**\n     * Add a new point after the given point, with the same co-ordinates.\n     *\n     * This does not automatically normalise.\n     *\n     * @param {int} pointIndex the index of the vertex after which to insert this new one.\n     */\n    Polygon.prototype.addNewPointAfter = function(pointIndex) {\n        this.points.splice(pointIndex, 0,\n                new Point(this.points[pointIndex].x, this.points[pointIndex].y));\n    };\n\n    Polygon.prototype.normalizeShape = function() {\n        var i,\n            x = 0,\n            y = 0;\n\n        if (this.points.length === 0) {\n            return;\n        }\n\n        // Computer centre.\n        for (i = 0; i < this.points.length; i++) {\n            x += this.points[i].x;\n            y += this.points[i].y;\n        }\n        x = Math.round(x / this.points.length);\n        y = Math.round(y / this.points.length);\n\n        if (x === 0 && y === 0) {\n            return;\n        }\n\n        for (i = 0; i < this.points.length; i++) {\n            this.points[i].move(-x, -y);\n        }\n        this.centre.move(x, y);\n    };\n\n    Polygon.prototype.makeSimilarCircle = function() {\n        return this.makeSimilarRectangle().makeSimilarCircle();\n    };\n\n    Polygon.prototype.makeSimilarRectangle = function() {\n        var p,\n            minX = 0,\n            maxX = 0,\n            minY = 0,\n            maxY = 0;\n        for (var i = 0; i < this.points.length; i++) {\n            p = this.points[i];\n            minX = Math.min(minX, p.x);\n            maxX = Math.max(maxX, p.x);\n            minY = Math.min(minY, p.y);\n            maxY = Math.max(maxY, p.y);\n        }\n        return new Rectangle(this.label,\n                this.centre.x + minX, this.centre.y + minY,\n                Math.max(maxX - minX, 10), Math.max(maxY - minY, 10));\n    };\n\n    Polygon.prototype.getHandlePositions = function() {\n        var editHandles = [];\n        for (var i = 0; i < this.points.length; i++) {\n            editHandles.push(this.points[i].offset(this.centre.x, this.centre.y));\n        }\n\n        this.centre.x = this.centre.x * parseFloat(this.ratio);\n        this.centre.y = this.centre.y * parseFloat(this.ratio);\n\n        return {\n            moveHandle: this.centre,\n            editHandles: editHandles\n        };\n    };\n\n\n    /**\n     * Not a shape (null object pattern).\n     *\n     * @param {String} label name of this area.\n     * @constructor\n     */\n    function NullShape(label) {\n        Shape.call(this, label);\n    }\n    NullShape.prototype = new Shape();\n\n    NullShape.prototype.getType = function() {\n        return 'null';\n    };\n\n    NullShape.prototype.getCoordinates = function() {\n        return '';\n    };\n\n    NullShape.prototype.makeSvg = function(svg) {\n        void (svg);\n        return null;\n    };\n\n    NullShape.prototype.updateSvg = function(svgEl) {\n        void (svgEl);\n    };\n\n    NullShape.prototype.parse = function(coordinates) {\n        void (coordinates);\n        return false;\n    };\n\n    NullShape.prototype.makeSimilarCircle = function() {\n        return new Circle(this.label);\n    };\n\n    NullShape.prototype.makeSimilarRectangle = function() {\n        return new Rectangle(this.label);\n    };\n\n    NullShape.prototype.makeSimilarPolygon = function() {\n        return new Polygon(this.label);\n    };\n\n\n    /**\n     * Make a new SVG DOM element as a child of svg.\n     *\n     * @param {SVGElement} svg the parent node.\n     * @param {String} tagName the tag name.\n     * @return {SVGElement} the newly created node.\n     */\n    function createSvgElement(svg, tagName) {\n        var svgEl = svg.ownerDocument.createElementNS('http://www.w3.org/2000/svg', tagName);\n        svg.appendChild(svgEl);\n        return svgEl;\n    }\n\n    /**\n     * Make a group SVG DOM elements containing a shape of the given type as first child,\n     * and a text label as the second child.\n     *\n     * @param {SVGElement} svg the parent node.\n     * @param {String} tagName the tag name.\n     * @return {SVGElement} the newly created g element.\n     */\n    function createSvgShapeGroup(svg, tagName) {\n        var svgEl = createSvgElement(svg, 'g');\n        createSvgElement(svgEl, tagName).setAttribute('class', 'shape');\n        createSvgElement(svgEl, 'text').setAttribute('class', 'shapeLabel');\n        return svgEl;\n    }\n\n    /**\n     * @alias module:qtype_ddmarker/shapes\n     */\n    return {\n        /**\n         * A point, with x and y coordinates.\n         *\n         * @param {int} x centre X.\n         * @param {int} y centre Y.\n         * @constructor\n         */\n        Point: Point,\n\n        /**\n         * A point, with x and y coordinates.\n         *\n         * @param {int} x centre X.\n         * @param {int} y centre Y.\n         * @constructor\n         */\n        Shape: Shape,\n\n        /**\n         * A shape that is a circle.\n         *\n         * @param {String} label name of this area.\n         * @param {int} [x] centre X.\n         * @param {int} [y] centre Y.\n         * @param {int} [radius] radius.\n         * @constructor\n         */\n        Circle: Circle,\n\n        /**\n         * A shape that is a rectangle.\n         *\n         * @param {String} label name of this area.\n         * @param {int} [x] top left X.\n         * @param {int} [y] top left Y.\n         * @param {int} [width] width.\n         * @param {int} [height] height.\n         * @constructor\n         */\n        Rectangle: Rectangle,\n\n        /**\n         * A shape that is a polygon.\n         *\n         * @param {String} label name of this area.\n         * @param {Point[]} [points] position of the vertices relative to (centreX, centreY).\n         *      each object in the array should have two\n         * @constructor\n         */\n        Polygon: Polygon,\n\n        /**\n         * Not a shape (null object pattern).\n         *\n         * @param {String} label name of this area.\n         * @constructor\n         */\n        NullShape: NullShape,\n\n        /**\n         * Make a new SVG DOM element as a child of svg.\n         *\n         * @param {SVGElement} svg the parent node.\n         * @param {String} tagName the tag name.\n         * @return {SVGElement} the newly created node.\n         */\n        createSvgElement: createSvgElement,\n\n        /**\n         * Make a shape of the given type.\n         *\n         * @param {String} shapeType\n         * @param {String} label\n         * @return {Shape} the requested shape.\n         */\n        make: function(shapeType, label) {\n            switch (shapeType) {\n                case 'circle':\n                    return new Circle(label);\n                case 'rectangle':\n                    return new Rectangle(label);\n                case 'polygon':\n                    return new Polygon(label);\n                default:\n                    return new NullShape(label);\n            }\n        },\n\n        /**\n         * Make a shape of the given type that is similar to the shape of the original type.\n         *\n         * @param {String} shapeType the new type of shape to make\n         * @param {Shape} shape the shape to copy\n         * @return {Shape} the similar shape of a different type.\n         */\n        getSimilar: function(shapeType, shape) {\n            if (shapeType === shape.getType()) {\n                return shape;\n            }\n            switch (shapeType) {\n                case 'circle':\n                    return shape.makeSimilarCircle();\n                case 'rectangle':\n                    return shape.makeSimilarRectangle();\n                case 'polygon':\n                    return shape.makeSimilarPolygon();\n                default:\n                    return new NullShape(shape.label);\n            }\n        }\n    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\ No newline at end of file
diff --git a/question/type/ddwtos/amd/build/ddwtos.min.js b/question/type/ddwtos/amd/build/ddwtos.min.js
index 52b8e6b210d..a583fc0485f 100644
--- a/question/type/ddwtos/amd/build/ddwtos.min.js
+++ b/question/type/ddwtos/amd/build/ddwtos.min.js
@@ -1,2 +1,28 @@
-define ("qtype_ddwtos/ddwtos",["jquery","core/dragdrop","core/key_codes"],function(a,b,c){"use strict";function d(a,b){this.containerId=a;if(b){this.getRoot().addClass("qtype_ddwtos-readonly")}this.resizeAllDragsAndDrops();this.cloneDrags();this.positionDrags()}d.prototype.resizeAllDragsAndDrops=function(){var b=this;this.getRoot().find(".answercontainer > div").each(function(c,d){b.resizeAllDragsAndDropsInGroup(b.getClassnameNumericSuffix(a(d),"draggrouphomes"))})};d.prototype.resizeAllDragsAndDropsInGroup=function(a){var b=this,c=this.getRoot().find(".draggrouphomes"+a+" span.draghome"),d=0,e=0;c.each(function(a,b){d=Math.max(d,Math.ceil(b.offsetWidth));e=Math.max(e,Math.ceil(0+b.offsetHeight))});d+=8;e+=2;c.each(function(a,c){b.setElementSize(c,d,e)});this.getRoot().find("span.drop.group"+a).each(function(a,c){b.setElementSize(c,d,e)})};d.prototype.setElementSize=function(b,c,d){a(b).width(c).height(d).css("lineHeight",d+"px")};d.prototype.cloneDrags=function(){var b=this;b.getRoot().find("span.draghome").each(function(c,d){var e=a(d),f=e.clone();f.removeClass();f.addClass("draghome choice"+b.getChoice(e)+" group"+b.getGroup(e)+" dragplaceholder");e.before(f)})};d.prototype.positionDrags=function(){var b=this,c=this.getRoot();c.find("span.draghome").not(".dragplaceholder").each(function(c,d){var e=a(d),f=b.getClassnameNumericSuffix(e,"inplace");e.addClass("unplaced").removeClass("placed");e.removeAttr("tabindex");if(null!==f){e.removeClass("inplace"+f)}});c.find("input.placeinput").each(function(d,e){var g=a(e),h=g.val(),i=b.getPlace(g),j=c.find(".drop.place"+i),k=j.offset();j.data("prev-top",k.top).data("prev-left",k.left);if("0"===h){return}var l=b.getUnplacedChoice(b.getGroup(g),h),m=b.getDragClone(l);if(m.length){if(l.hasClass("infinite")){var n=b.noOfDropsInGroup(b.getGroup(l)),o=b.getInfiniteDragClones(l,!1);if(o.length<n){var p=l.clone();m.after(p);f.addEventHandlersToDrag(p)}else{m.addClass("active")}}else{m.addClass("active")}}b.sendDragToDrop(b.getUnplacedChoice(b.getGroup(g),h),j)})};d.prototype.handleDragStart=function(c){var d=this,e=a(c.target).closest(".draghome"),g=b.prepare(c);if(!g.start){return}e.addClass("beingdragged");var h=this.getClassnameNumericSuffix(e,"inplace");if(null!==h){this.setInputValue(h,0);e.removeClass("inplace"+h);var i=d.getDrop(e,h);if(i.length){i.addClass("active");e.offset(i.offset())}}else{var j=d.getDragClone(e);if(j.length){if(e.hasClass("infinite")){var k=this.noOfDropsInGroup(this.getGroup(e)),l=this.getInfiniteDragClones(e,!1);if(l.length<k){var m=e.clone();m.removeClass("beingdragged");j.after(m);f.addEventHandlersToDrag(m);e.offset(m.offset())}else{j.addClass("active");e.offset(j.offset())}}else{j.addClass("active");e.offset(j.offset())}}}b.start(c,e,function(a,b,c){d.dragMove(a,b,c)},function(a,b,c){d.dragEnd(a,b,c)})};d.prototype.dragMove=function(b,c,d){var e=this;this.getRoot().find("span.drop.group"+this.getGroup(d)).each(function(d,f){var g=a(f);if(e.isPointInDrop(b,c,g)){g.addClass("valid-drag-over-drop")}else{g.removeClass("valid-drag-over-drop")}});this.getRoot().find("span.draghome.placed.group"+this.getGroup(d)).not(".beingdragged").each(function(f,g){var h=a(g);if(e.isPointInDrop(b,c,h)&&!e.isDragSameAsDrop(d,h)){h.addClass("valid-drag-over-drop")}else{h.removeClass("valid-drag-over-drop")}})};d.prototype.dragEnd=function(b,c,d){var e=this,f=this.getRoot(),g=!1;f.find("span.drop.group"+this.getGroup(d)).each(function(f,h){var i=a(h);if(!e.isPointInDrop(b,c,i)){return!0}i.removeClass("valid-drag-over-drop");e.sendDragToDrop(d,i);g=!0;return!1});f.find("span.draghome.placed.group"+this.getGroup(d)).not(".beingdragged").each(function(f,h){var i=a(h);if(!e.isPointInDrop(b,c,i)||e.isDragSameAsDrop(d,i)){return!0}i.removeClass("valid-drag-over-drop");var j=e.getClassnameNumericSuffix(i,"inplace"),k=e.getDrop(d,j);e.sendDragToDrop(d,k);g=!0;return!1});if(!g){this.sendDragHome(d)}};d.prototype.sendDragToDrop=function(a,b){var c=this.getCurrentDragInPlace(this.getPlace(b));if(0!==c.length){var d=this.getClassnameNumericSuffix(c,"inplace"),e=this.getDrop(c,d);e.addClass("active");c.addClass("beingdragged");c.offset(e.offset());this.sendDragHome(c)}if(0===a.length){this.setInputValue(this.getPlace(b),0);if(b.data("isfocus")){b.focus()}}else{this.setInputValue(this.getPlace(b),this.getChoice(a));a.removeClass("unplaced").addClass("placed inplace"+this.getPlace(b));a.attr("tabindex",0);this.animateTo(a,b)}};d.prototype.sendDragHome=function(a){var b=this.getClassnameNumericSuffix(a,"inplace");if(null!==b){a.removeClass("inplace"+b)}a.data("unplaced",!0);this.animateTo(a,this.getDragHome(this.getGroup(a),this.getChoice(a)))};d.prototype.handleKeyPress=function(b){var d=a(b.target).closest(".drop");if(0===d.length){var e=a(b.target),g=this.getClassnameNumericSuffix(e,"inplace");if(null!==g){d=this.getDrop(e,g)}}var h=this.getCurrentDragInPlace(this.getPlace(d)),i=a();switch(b.keyCode){case c.space:case c.arrowRight:case c.arrowDown:i=this.getNextDrag(this.getGroup(d),h);break;case c.arrowLeft:case c.arrowUp:i=this.getPreviousDrag(this.getGroup(d),h);break;case c.escape:break;default:f.isKeyboardNavigation=!1;return;}if(i.length){i.data("isfocus",!0);i.addClass("beingdragged");var j=this.getDragClone(i);if(j.length){if(i.hasClass("infinite")){var k=this.noOfDropsInGroup(this.getGroup(i)),l=this.getInfiniteDragClones(i,!1);if(l.length<k){var m=i.clone();m.removeClass("beingdragged");m.removeAttr("tabindex");j.after(m);f.addEventHandlersToDrag(m);i.offset(m.offset())}else{j.addClass("active");i.offset(j.offset())}}else{j.addClass("active");i.offset(j.offset())}}}else{d.data("isfocus",!0)}b.preventDefault();this.sendDragToDrop(i,d)};d.prototype.getNextDrag=function(a,b){var c,d=this.noOfChoicesInGroup(a);if(0===b.length){c=1}else{c=this.getChoice(b)+1}var e=this.getUnplacedChoice(a,c);while(0===e.length&&c<d){c++;e=this.getUnplacedChoice(a,c)}return e};d.prototype.getPreviousDrag=function(a,b){var c;if(0===b.length){c=this.noOfChoicesInGroup(a)}else{c=this.getChoice(b)-1}var d=this.getUnplacedChoice(a,c);while(0===d.length&&1<c){c--;d=this.getUnplacedChoice(a,c)}return d};d.prototype.animateTo=function(b,c){var d=b.offset(),e=c.offset(),f=this;M.util.js_pending("qtype_ddwtos-animate-"+f.containerId);b.animate({left:parseInt(b.css("left"))+e.left-d.left,top:parseInt(b.css("top"))+e.top-d.top},{duration:"fast",done:function done(){a("body").trigger("qtype_ddwtos-dragmoved",[b,c,f]);M.util.js_complete("qtype_ddwtos-animate-"+f.containerId)}})};d.prototype.isPointInDrop=function(a,b,c){var d=c.offset();return a>=d.left&&a<d.left+c.width()&&b>=d.top&&b<d.top+c.height()};d.prototype.setInputValue=function(a,b){this.getRoot().find("input.placeinput.place"+a).val(b)};d.prototype.getRoot=function(){return a(document.getElementById(this.containerId))};d.prototype.getDragHome=function(a,b){if(!this.getRoot().find(".draghome.dragplaceholder.group"+a+".choice"+b).is(":visible")){return this.getRoot().find(".draggrouphomes"+a+" span.draghome.infinite.choice"+b+".group"+a)}return this.getRoot().find(".draghome.dragplaceholder.group"+a+".choice"+b)};d.prototype.getUnplacedChoice=function(a,b){return this.getRoot().find(".draghome.group"+a+".choice"+b+".unplaced").slice(0,1)};d.prototype.getCurrentDragInPlace=function(a){return this.getRoot().find("span.draghome.inplace"+a)};d.prototype.noOfDropsInGroup=function(a){return this.getRoot().find(".drop.group"+a).length};d.prototype.noOfChoicesInGroup=function(a){return this.getRoot().find(".draghome.group"+a).length};d.prototype.getClassnameNumericSuffix=function(a,b){var c=a.attr("class");if(""!==c){for(var d=c.split(" "),e=0,f;e<d.length;e++){f=new RegExp("^"+b+"([0-9])+$");if(f.test(d[e])){var g=/([0-9])+$/.exec(d[e]);return+g[0]}}}return null};d.prototype.getChoice=function(a){return this.getClassnameNumericSuffix(a,"choice")};d.prototype.getGroup=function(a){return this.getClassnameNumericSuffix(a,"group")};d.prototype.getPlace=function(a){return this.getClassnameNumericSuffix(a,"place")};d.prototype.getDragClone=function(a){return this.getRoot().find(".draggrouphomes"+this.getGroup(a)+" span.draghome.choice"+this.getChoice(a)+".group"+this.getGroup(a)+".dragplaceholder")};d.prototype.getInfiniteDragClones=function(a,b){if(b){return this.getRoot().find(".draggrouphomes"+this.getGroup(a)+" span.draghome.choice"+this.getChoice(a)+".group"+this.getGroup(a)+".infinite").not(".dragplaceholder")}return this.getRoot().find("span.draghome.choice"+this.getChoice(a)+".group"+this.getGroup(a)+".infinite").not(".dragplaceholder")};d.prototype.getDrop=function(a,b){return this.getRoot().find(".drop.group"+this.getGroup(a)+".place"+b)};d.prototype.isDragSameAsDrop=function(a,b){return this.getChoice(a)===this.getChoice(b)&&this.getGroup(a)===this.getGroup(b)};var f={eventHandlersInitialised:!1,isKeyboardNavigation:!1,questions:{},init:function init(a,b){f.questions[a]=new d(a,b);if(!f.eventHandlersInitialised){f.setupEventHandlers();f.eventHandlersInitialised=!0}},setupEventHandlers:function setupEventHandlers(){f.addEventHandlersToDrag(a(".que.ddwtos:not(.qtype_ddwtos-readonly) span.draghome"));a("body").on("keydown",".que.ddwtos:not(.qtype_ddwtos-readonly) span.drop",f.handleKeyPress).on("keydown",".que.ddwtos:not(.qtype_ddwtos-readonly) span.draghome.placed:not(.beingdragged)",f.handleKeyPress).on("qtype_ddwtos-dragmoved",f.handleDragMoved)},addEventHandlersToDrag:function addEventHandlersToDrag(a){a.unbind("mousedown touchstart");a.on("mousedown touchstart",f.handleDragStart)},handleDragStart:function handleDragStart(a){a.preventDefault();var b=f.getQuestionForEvent(a);if(b){b.handleDragStart(a)}},handleKeyPress:function handleKeyPress(a){if(f.isKeyboardNavigation){return}f.isKeyboardNavigation=!0;var b=f.getQuestionForEvent(a);if(b){b.handleKeyPress(a)}},getQuestionForEvent:function getQuestionForEvent(b){var c=a(b.currentTarget).closest(".que.ddwtos").attr("id");return f.questions[c]},handleDragMoved:function handleDragMoved(a,b,c,d){b.removeClass("beingdragged");b.css("top","").css("left","");c.after(b);c.removeClass("active");if("undefined"!=typeof b.data("unplaced")&&!0===b.data("unplaced")){b.removeClass("placed").addClass("unplaced");b.removeAttr("tabindex");b.removeData("unplaced");if(b.hasClass("infinite")&&1<d.getInfiniteDragClones(b,!0).length){d.getInfiniteDragClones(b,!0).first().remove()}}if("undefined"!=typeof b.data("isfocus")&&!0===b.data("isfocus")){b.focus();b.removeData("isfocus")}if("undefined"!=typeof c.data("isfocus")&&!0===c.data("isfocus")){c.removeData("isfocus")}if(f.isKeyboardNavigation){f.isKeyboardNavigation=!1}}};return{init:f.init}});
-//# sourceMappingURL=ddwtos.min.js.map
+/**
+ * JavaScript to make drag-drop into text questions work.
+ *
+ * Some vocabulary to help understand this code:
+ *
+ * The question text contains 'drops' - blanks into which the 'drags', the missing
+ * words, can be put.
+ *
+ * The thing that can be moved into the drops are called 'drags'. There may be
+ * multiple copies of the 'same' drag which does not really cause problems.
+ * Each drag has a 'choice' number which is the value set on the drop's hidden
+ * input when this drag is placed in a drop.
+ *
+ * These may be in separate 'groups', distinguished by colour.
+ * Things can only interact with other things in the same group.
+ * The groups are numbered from 1.
+ *
+ * The place where a given drag started from is called its 'home'.
+ *
+ * @module     qtype_ddwtos/ddwtos
+ * @package    qtype_ddwtos
+ * @copyright  2018 The Open University
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.6
+ */
+define("qtype_ddwtos/ddwtos",["jquery","core/dragdrop","core/key_codes"],(function($,dragDrop,keys){function DragDropToTextQuestion(containerId,readOnly){this.containerId=containerId,readOnly&&this.getRoot().addClass("qtype_ddwtos-readonly"),this.resizeAllDragsAndDrops(),this.cloneDrags(),this.positionDrags()}DragDropToTextQuestion.prototype.resizeAllDragsAndDrops=function(){var thisQ=this;this.getRoot().find(".answercontainer > div").each((function(i,node){thisQ.resizeAllDragsAndDropsInGroup(thisQ.getClassnameNumericSuffix($(node),"draggrouphomes"))}))},DragDropToTextQuestion.prototype.resizeAllDragsAndDropsInGroup=function(group){var thisQ=this,dragHomes=this.getRoot().find(".draggrouphomes"+group+" span.draghome"),maxWidth=0,maxHeight=0;dragHomes.each((function(i,drag){maxWidth=Math.max(maxWidth,Math.ceil(drag.offsetWidth)),maxHeight=Math.max(maxHeight,Math.ceil(0+drag.offsetHeight))})),maxWidth+=8,maxHeight+=2,dragHomes.each((function(i,drag){thisQ.setElementSize(drag,maxWidth,maxHeight)})),this.getRoot().find("span.drop.group"+group).each((function(i,drop){thisQ.setElementSize(drop,maxWidth,maxHeight)}))},DragDropToTextQuestion.prototype.setElementSize=function(element,width,height){$(element).width(width).height(height).css("lineHeight",height+"px")},DragDropToTextQuestion.prototype.cloneDrags=function(){var thisQ=this;thisQ.getRoot().find("span.draghome").each((function(index,draghome){var drag=$(draghome),placeHolder=drag.clone();placeHolder.removeClass(),placeHolder.addClass("draghome choice"+thisQ.getChoice(drag)+" group"+thisQ.getGroup(drag)+" dragplaceholder"),drag.before(placeHolder)}))},DragDropToTextQuestion.prototype.positionDrags=function(){var thisQ=this,root=this.getRoot();root.find("span.draghome").not(".dragplaceholder").each((function(i,dragNode){var drag=$(dragNode),currentPlace=thisQ.getClassnameNumericSuffix(drag,"inplace");drag.addClass("unplaced").removeClass("placed"),drag.removeAttr("tabindex"),null!==currentPlace&&drag.removeClass("inplace"+currentPlace)})),root.find("input.placeinput").each((function(i,inputNode){var input=$(inputNode),choice=input.val(),place=thisQ.getPlace(input),drop=root.find(".drop.place"+place),dropPosition=drop.offset();if(drop.data("prev-top",dropPosition.top).data("prev-left",dropPosition.left),"0"!==choice){var unplacedDrag=thisQ.getUnplacedChoice(thisQ.getGroup(input),choice),hiddenDrag=thisQ.getDragClone(unplacedDrag);if(hiddenDrag.length)if(unplacedDrag.hasClass("infinite")){var noOfDrags=thisQ.noOfDropsInGroup(thisQ.getGroup(unplacedDrag));if(thisQ.getInfiniteDragClones(unplacedDrag,!1).length<noOfDrags){var cloneDrag=unplacedDrag.clone();hiddenDrag.after(cloneDrag),questionManager.addEventHandlersToDrag(cloneDrag)}else hiddenDrag.addClass("active")}else hiddenDrag.addClass("active");thisQ.sendDragToDrop(thisQ.getUnplacedChoice(thisQ.getGroup(input),choice),drop)}}))},DragDropToTextQuestion.prototype.handleDragStart=function(e){var thisQ=this,drag=$(e.target).closest(".draghome");if(dragDrop.prepare(e).start){drag.addClass("beingdragged");var currentPlace=this.getClassnameNumericSuffix(drag,"inplace");if(null!==currentPlace){this.setInputValue(currentPlace,0),drag.removeClass("inplace"+currentPlace);var hiddenDrop=thisQ.getDrop(drag,currentPlace);hiddenDrop.length&&(hiddenDrop.addClass("active"),drag.offset(hiddenDrop.offset()))}else{var hiddenDrag=thisQ.getDragClone(drag);if(hiddenDrag.length)if(drag.hasClass("infinite")){var noOfDrags=this.noOfDropsInGroup(this.getGroup(drag));if(this.getInfiniteDragClones(drag,!1).length<noOfDrags){var cloneDrag=drag.clone();cloneDrag.removeClass("beingdragged"),hiddenDrag.after(cloneDrag),questionManager.addEventHandlersToDrag(cloneDrag),drag.offset(cloneDrag.offset())}else hiddenDrag.addClass("active"),drag.offset(hiddenDrag.offset())}else hiddenDrag.addClass("active"),drag.offset(hiddenDrag.offset())}dragDrop.start(e,drag,(function(x,y,drag){thisQ.dragMove(x,y,drag)}),(function(x,y,drag){thisQ.dragEnd(x,y,drag)}))}},DragDropToTextQuestion.prototype.dragMove=function(pageX,pageY,drag){var thisQ=this;this.getRoot().find("span.drop.group"+this.getGroup(drag)).each((function(i,dropNode){var drop=$(dropNode);thisQ.isPointInDrop(pageX,pageY,drop)?drop.addClass("valid-drag-over-drop"):drop.removeClass("valid-drag-over-drop")})),this.getRoot().find("span.draghome.placed.group"+this.getGroup(drag)).not(".beingdragged").each((function(i,dropNode){var drop=$(dropNode);thisQ.isPointInDrop(pageX,pageY,drop)&&!thisQ.isDragSameAsDrop(drag,drop)?drop.addClass("valid-drag-over-drop"):drop.removeClass("valid-drag-over-drop")}))},DragDropToTextQuestion.prototype.dragEnd=function(pageX,pageY,drag){var thisQ=this,root=this.getRoot(),placed=!1;root.find("span.drop.group"+this.getGroup(drag)).each((function(i,dropNode){var drop=$(dropNode);return!thisQ.isPointInDrop(pageX,pageY,drop)||(drop.removeClass("valid-drag-over-drop"),thisQ.sendDragToDrop(drag,drop),placed=!0,!1)})),root.find("span.draghome.placed.group"+this.getGroup(drag)).not(".beingdragged").each((function(i,placedNode){var placedDrag=$(placedNode);if(!thisQ.isPointInDrop(pageX,pageY,placedDrag)||thisQ.isDragSameAsDrop(drag,placedDrag))return!0;placedDrag.removeClass("valid-drag-over-drop");var currentPlace=thisQ.getClassnameNumericSuffix(placedDrag,"inplace"),drop=thisQ.getDrop(drag,currentPlace);return thisQ.sendDragToDrop(drag,drop),placed=!0,!1})),placed||this.sendDragHome(drag)},DragDropToTextQuestion.prototype.sendDragToDrop=function(drag,drop){var oldDrag=this.getCurrentDragInPlace(this.getPlace(drop));if(0!==oldDrag.length){var currentPlace=this.getClassnameNumericSuffix(oldDrag,"inplace"),hiddenDrop=this.getDrop(oldDrag,currentPlace);hiddenDrop.addClass("active"),oldDrag.addClass("beingdragged"),oldDrag.offset(hiddenDrop.offset()),this.sendDragHome(oldDrag)}0===drag.length?(this.setInputValue(this.getPlace(drop),0),drop.data("isfocus")&&drop.focus()):(this.setInputValue(this.getPlace(drop),this.getChoice(drag)),drag.removeClass("unplaced").addClass("placed inplace"+this.getPlace(drop)),drag.attr("tabindex",0),this.animateTo(drag,drop))},DragDropToTextQuestion.prototype.sendDragHome=function(drag){var currentPlace=this.getClassnameNumericSuffix(drag,"inplace");null!==currentPlace&&drag.removeClass("inplace"+currentPlace),drag.data("unplaced",!0),this.animateTo(drag,this.getDragHome(this.getGroup(drag),this.getChoice(drag)))},DragDropToTextQuestion.prototype.handleKeyPress=function(e){var drop=$(e.target).closest(".drop");if(0===drop.length){var placedDrag=$(e.target),currentPlace=this.getClassnameNumericSuffix(placedDrag,"inplace");null!==currentPlace&&(drop=this.getDrop(placedDrag,currentPlace))}var currentDrag=this.getCurrentDragInPlace(this.getPlace(drop)),nextDrag=$();switch(e.keyCode){case keys.space:case keys.arrowRight:case keys.arrowDown:nextDrag=this.getNextDrag(this.getGroup(drop),currentDrag);break;case keys.arrowLeft:case keys.arrowUp:nextDrag=this.getPreviousDrag(this.getGroup(drop),currentDrag);break;case keys.escape:break;default:return void(questionManager.isKeyboardNavigation=!1)}if(nextDrag.length){nextDrag.data("isfocus",!0),nextDrag.addClass("beingdragged");var hiddenDrag=this.getDragClone(nextDrag);if(hiddenDrag.length)if(nextDrag.hasClass("infinite")){var noOfDrags=this.noOfDropsInGroup(this.getGroup(nextDrag));if(this.getInfiniteDragClones(nextDrag,!1).length<noOfDrags){var cloneDrag=nextDrag.clone();cloneDrag.removeClass("beingdragged"),cloneDrag.removeAttr("tabindex"),hiddenDrag.after(cloneDrag),questionManager.addEventHandlersToDrag(cloneDrag),nextDrag.offset(cloneDrag.offset())}else hiddenDrag.addClass("active"),nextDrag.offset(hiddenDrag.offset())}else hiddenDrag.addClass("active"),nextDrag.offset(hiddenDrag.offset())}else drop.data("isfocus",!0);e.preventDefault(),this.sendDragToDrop(nextDrag,drop)},DragDropToTextQuestion.prototype.getNextDrag=function(group,drag){var choice,numChoices=this.noOfChoicesInGroup(group);choice=0===drag.length?1:this.getChoice(drag)+1;for(var next=this.getUnplacedChoice(group,choice);0===next.length&&choice<numChoices;)choice++,next=this.getUnplacedChoice(group,choice);return next},DragDropToTextQuestion.prototype.getPreviousDrag=function(group,drag){var choice;choice=0===drag.length?this.noOfChoicesInGroup(group):this.getChoice(drag)-1;for(var previous=this.getUnplacedChoice(group,choice);0===previous.length&&choice>1;)choice--,previous=this.getUnplacedChoice(group,choice);return previous},DragDropToTextQuestion.prototype.animateTo=function(drag,target){var currentPos=drag.offset(),targetPos=target.offset(),thisQ=this;M.util.js_pending("qtype_ddwtos-animate-"+thisQ.containerId),drag.animate({left:parseInt(drag.css("left"))+targetPos.left-currentPos.left,top:parseInt(drag.css("top"))+targetPos.top-currentPos.top},{duration:"fast",done:function(){$("body").trigger("qtype_ddwtos-dragmoved",[drag,target,thisQ]),M.util.js_complete("qtype_ddwtos-animate-"+thisQ.containerId)}})},DragDropToTextQuestion.prototype.isPointInDrop=function(pageX,pageY,drop){var position=drop.offset();return pageX>=position.left&&pageX<position.left+drop.width()&&pageY>=position.top&&pageY<position.top+drop.height()},DragDropToTextQuestion.prototype.setInputValue=function(place,choice){this.getRoot().find("input.placeinput.place"+place).val(choice)},DragDropToTextQuestion.prototype.getRoot=function(){return $(document.getElementById(this.containerId))},DragDropToTextQuestion.prototype.getDragHome=function(group,choice){return this.getRoot().find(".draghome.dragplaceholder.group"+group+".choice"+choice).is(":visible")?this.getRoot().find(".draghome.dragplaceholder.group"+group+".choice"+choice):this.getRoot().find(".draggrouphomes"+group+" span.draghome.infinite.choice"+choice+".group"+group)},DragDropToTextQuestion.prototype.getUnplacedChoice=function(group,choice){return this.getRoot().find(".draghome.group"+group+".choice"+choice+".unplaced").slice(0,1)},DragDropToTextQuestion.prototype.getCurrentDragInPlace=function(place){return this.getRoot().find("span.draghome.inplace"+place)},DragDropToTextQuestion.prototype.noOfDropsInGroup=function(group){return this.getRoot().find(".drop.group"+group).length},DragDropToTextQuestion.prototype.noOfChoicesInGroup=function(group){return this.getRoot().find(".draghome.group"+group).length},DragDropToTextQuestion.prototype.getClassnameNumericSuffix=function(node,prefix){var classes=node.attr("class");if(""!==classes)for(var classesArr=classes.split(" "),index=0;index<classesArr.length;index++){if(new RegExp("^"+prefix+"([0-9])+$").test(classesArr[index])){var match=new RegExp("([0-9])+$").exec(classesArr[index]);return Number(match[0])}}return null},DragDropToTextQuestion.prototype.getChoice=function(drag){return this.getClassnameNumericSuffix(drag,"choice")},DragDropToTextQuestion.prototype.getGroup=function(node){return this.getClassnameNumericSuffix(node,"group")},DragDropToTextQuestion.prototype.getPlace=function(node){return this.getClassnameNumericSuffix(node,"place")},DragDropToTextQuestion.prototype.getDragClone=function(drag){return this.getRoot().find(".draggrouphomes"+this.getGroup(drag)+" span.draghome.choice"+this.getChoice(drag)+".group"+this.getGroup(drag)+".dragplaceholder")},DragDropToTextQuestion.prototype.getInfiniteDragClones=function(drag,inHome){return inHome?this.getRoot().find(".draggrouphomes"+this.getGroup(drag)+" span.draghome.choice"+this.getChoice(drag)+".group"+this.getGroup(drag)+".infinite").not(".dragplaceholder"):this.getRoot().find("span.draghome.choice"+this.getChoice(drag)+".group"+this.getGroup(drag)+".infinite").not(".dragplaceholder")},DragDropToTextQuestion.prototype.getDrop=function(drag,currentPlace){return this.getRoot().find(".drop.group"+this.getGroup(drag)+".place"+currentPlace)},DragDropToTextQuestion.prototype.isDragSameAsDrop=function(drag,drop){return this.getChoice(drag)===this.getChoice(drop)&&this.getGroup(drag)===this.getGroup(drop)};var questionManager={eventHandlersInitialised:!1,isKeyboardNavigation:!1,questions:{},init:function(containerId,readOnly){questionManager.questions[containerId]=new DragDropToTextQuestion(containerId,readOnly),questionManager.eventHandlersInitialised||(questionManager.setupEventHandlers(),questionManager.eventHandlersInitialised=!0)},setupEventHandlers:function(){questionManager.addEventHandlersToDrag($(".que.ddwtos:not(.qtype_ddwtos-readonly) span.draghome")),$("body").on("keydown",".que.ddwtos:not(.qtype_ddwtos-readonly) span.drop",questionManager.handleKeyPress).on("keydown",".que.ddwtos:not(.qtype_ddwtos-readonly) span.draghome.placed:not(.beingdragged)",questionManager.handleKeyPress).on("qtype_ddwtos-dragmoved",questionManager.handleDragMoved)},addEventHandlersToDrag:function(element){element.unbind("mousedown touchstart"),element.on("mousedown touchstart",questionManager.handleDragStart)},handleDragStart:function(e){e.preventDefault();var question=questionManager.getQuestionForEvent(e);question&&question.handleDragStart(e)},handleKeyPress:function(e){if(!questionManager.isKeyboardNavigation){questionManager.isKeyboardNavigation=!0;var question=questionManager.getQuestionForEvent(e);question&&question.handleKeyPress(e)}},getQuestionForEvent:function(e){var containerId=$(e.currentTarget).closest(".que.ddwtos").attr("id");return questionManager.questions[containerId]},handleDragMoved:function(e,drag,target,thisQ){drag.removeClass("beingdragged"),drag.css("top","").css("left",""),target.after(drag),target.removeClass("active"),void 0!==drag.data("unplaced")&&!0===drag.data("unplaced")&&(drag.removeClass("placed").addClass("unplaced"),drag.removeAttr("tabindex"),drag.removeData("unplaced"),drag.hasClass("infinite")&&thisQ.getInfiniteDragClones(drag,!0).length>1&&thisQ.getInfiniteDragClones(drag,!0).first().remove()),void 0!==drag.data("isfocus")&&!0===drag.data("isfocus")&&(drag.focus(),drag.removeData("isfocus")),void 0!==target.data("isfocus")&&!0===target.data("isfocus")&&target.removeData("isfocus"),questionManager.isKeyboardNavigation&&(questionManager.isKeyboardNavigation=!1)}};return{init:questionManager.init}}));
+
+//# sourceMappingURL=ddwtos.min.js.map
\ No newline at end of file
diff --git a/question/type/ddwtos/amd/build/ddwtos.min.js.map b/question/type/ddwtos/amd/build/ddwtos.min.js.map
index 86c11dd1073..75e7cb8ceb2 100644
--- a/question/type/ddwtos/amd/build/ddwtos.min.js.map
+++ b/question/type/ddwtos/amd/build/ddwtos.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * JavaScript to make drag-drop into text questions work.\n *\n * Some vocabulary to help understand this code:\n *\n * The question text contains 'drops' - blanks into which the 'drags', the missing\n * words, can be put.\n *\n * The thing that can be moved into the drops are called 'drags'. There may be\n * multiple copies of the 'same' drag which does not really cause problems.\n * Each drag has a 'choice' number which is the value set on the drop's hidden\n * input when this drag is placed in a drop.\n *\n * These may be in separate 'groups', distinguished by colour.\n * Things can only interact with other things in the same group.\n * The groups are numbered from 1.\n *\n * The place where a given drag started from is called its 'home'.\n *\n * @module     qtype_ddwtos/ddwtos\n * @package    qtype_ddwtos\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.6\n */\ndefine(['jquery', 'core/dragdrop', 'core/key_codes'], function($, dragDrop, keys) {\n\n    \"use strict\";\n\n    /**\n     * Object to handle one drag-drop into text question.\n     *\n     * @param {String} containerId id of the outer div for this question.\n     * @param {boolean} readOnly whether the question is being displayed read-only.\n     * @constructor\n     */\n    function DragDropToTextQuestion(containerId, readOnly) {\n        this.containerId = containerId;\n        if (readOnly) {\n            this.getRoot().addClass('qtype_ddwtos-readonly');\n        }\n        this.resizeAllDragsAndDrops();\n        this.cloneDrags();\n        this.positionDrags();\n    }\n\n    /**\n     * In each group, resize all the items to be the same size.\n     */\n    DragDropToTextQuestion.prototype.resizeAllDragsAndDrops = function() {\n        var thisQ = this;\n        this.getRoot().find('.answercontainer > div').each(function(i, node) {\n            thisQ.resizeAllDragsAndDropsInGroup(\n                thisQ.getClassnameNumericSuffix($(node), 'draggrouphomes'));\n        });\n    };\n\n    /**\n     * In a given group, set all the drags and drops to be the same size.\n     *\n     * @param {int} group the group number.\n     */\n    DragDropToTextQuestion.prototype.resizeAllDragsAndDropsInGroup = function(group) {\n        var thisQ = this,\n            dragHomes = this.getRoot().find('.draggrouphomes' + group + ' span.draghome'),\n            maxWidth = 0,\n            maxHeight = 0;\n\n        // Find the maximum size of any drag in this groups.\n        dragHomes.each(function(i, drag) {\n            maxWidth = Math.max(maxWidth, Math.ceil(drag.offsetWidth));\n            maxHeight = Math.max(maxHeight, Math.ceil(0 + drag.offsetHeight));\n        });\n\n        // The size we will want to set is a bit bigger than this.\n        maxWidth += 8;\n        maxHeight += 2;\n\n        // Set each drag home to that size.\n        dragHomes.each(function(i, drag) {\n            thisQ.setElementSize(drag, maxWidth, maxHeight);\n        });\n\n        // Set each drop to that size.\n        this.getRoot().find('span.drop.group' + group).each(function(i, drop) {\n            thisQ.setElementSize(drop, maxWidth, maxHeight);\n        });\n    };\n\n    /**\n     * Set a given DOM element to be a particular size.\n     *\n     * @param {HTMLElement} element\n     * @param {int} width\n     * @param {int} height\n     */\n    DragDropToTextQuestion.prototype.setElementSize = function(element, width, height) {\n        $(element).width(width).height(height).css('lineHeight', height + 'px');\n    };\n\n    /**\n     * Invisible 'drag homes' are output by the renderer. These have the same properties\n     * as the drag items but are invisible. We clone these invisible elements to make the\n     * actual drag items.\n     */\n    DragDropToTextQuestion.prototype.cloneDrags = function() {\n        var thisQ = this;\n        thisQ.getRoot().find('span.draghome').each(function(index, draghome) {\n            var drag = $(draghome);\n            var placeHolder = drag.clone();\n            placeHolder.removeClass();\n            placeHolder.addClass('draghome choice' +\n                thisQ.getChoice(drag) + ' group' +\n                thisQ.getGroup(drag) + ' dragplaceholder');\n            drag.before(placeHolder);\n        });\n    };\n\n    /**\n     * Update the position of drags.\n     */\n    DragDropToTextQuestion.prototype.positionDrags = function() {\n        var thisQ = this,\n            root = this.getRoot();\n\n        // First move all items back home.\n        root.find('span.draghome').not('.dragplaceholder').each(function(i, dragNode) {\n            var drag = $(dragNode),\n                currentPlace = thisQ.getClassnameNumericSuffix(drag, 'inplace');\n            drag.addClass('unplaced')\n                .removeClass('placed');\n            drag.removeAttr('tabindex');\n            if (currentPlace !== null) {\n                drag.removeClass('inplace' + currentPlace);\n            }\n        });\n\n        // Then place the once that should be placed.\n        root.find('input.placeinput').each(function(i, inputNode) {\n            var input = $(inputNode),\n                choice = input.val(),\n                place = thisQ.getPlace(input);\n\n            // Record the last known position of the drop.\n            var drop = root.find('.drop.place' + place),\n                dropPosition = drop.offset();\n            drop.data('prev-top', dropPosition.top).data('prev-left', dropPosition.left);\n\n            if (choice === '0') {\n                // No item in this place.\n                return;\n            }\n\n            // Get the unplaced drag.\n            var unplacedDrag = thisQ.getUnplacedChoice(thisQ.getGroup(input), choice);\n            // Get the clone of the drag.\n            var hiddenDrag = thisQ.getDragClone(unplacedDrag);\n            if (hiddenDrag.length) {\n                if (unplacedDrag.hasClass('infinite')) {\n                    var noOfDrags = thisQ.noOfDropsInGroup(thisQ.getGroup(unplacedDrag));\n                    var cloneDrags = thisQ.getInfiniteDragClones(unplacedDrag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = unplacedDrag.clone();\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                    } else {\n                        hiddenDrag.addClass('active');\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                }\n            }\n            // Send the drag to drop.\n            thisQ.sendDragToDrop(thisQ.getUnplacedChoice(thisQ.getGroup(input), choice), drop);\n        });\n    };\n\n    /**\n     * Handles the start of dragging an item.\n     *\n     * @param {Event} e the touch start or mouse down event.\n     */\n    DragDropToTextQuestion.prototype.handleDragStart = function(e) {\n        var thisQ = this,\n            drag = $(e.target).closest('.draghome');\n\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        drag.addClass('beingdragged');\n        var currentPlace = this.getClassnameNumericSuffix(drag, 'inplace');\n        if (currentPlace !== null) {\n            this.setInputValue(currentPlace, 0);\n            drag.removeClass('inplace' + currentPlace);\n            var hiddenDrop = thisQ.getDrop(drag, currentPlace);\n            if (hiddenDrop.length) {\n                hiddenDrop.addClass('active');\n                drag.offset(hiddenDrop.offset());\n            }\n        } else {\n            var hiddenDrag = thisQ.getDragClone(drag);\n            if (hiddenDrag.length) {\n                if (drag.hasClass('infinite')) {\n                    var noOfDrags = this.noOfDropsInGroup(this.getGroup(drag));\n                    var cloneDrags = this.getInfiniteDragClones(drag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = drag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                        drag.offset(cloneDrag.offset());\n                    } else {\n                        hiddenDrag.addClass('active');\n                        drag.offset(hiddenDrag.offset());\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                    drag.offset(hiddenDrag.offset());\n                }\n            }\n        }\n\n        dragDrop.start(e, drag, function(x, y, drag) {\n            thisQ.dragMove(x, y, drag);\n        }, function(x, y, drag) {\n            thisQ.dragEnd(x, y, drag);\n        });\n    };\n\n    /**\n     * Called whenever the currently dragged items moves.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropToTextQuestion.prototype.dragMove = function(pageX, pageY, drag) {\n        var thisQ = this;\n        this.getRoot().find('span.drop.group' + this.getGroup(drag)).each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (thisQ.isPointInDrop(pageX, pageY, drop)) {\n                drop.addClass('valid-drag-over-drop');\n            } else {\n                drop.removeClass('valid-drag-over-drop');\n            }\n        });\n        this.getRoot().find('span.draghome.placed.group' + this.getGroup(drag)).not('.beingdragged').each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (thisQ.isPointInDrop(pageX, pageY, drop) && !thisQ.isDragSameAsDrop(drag, drop)) {\n                drop.addClass('valid-drag-over-drop');\n            } else {\n                drop.removeClass('valid-drag-over-drop');\n            }\n        });\n    };\n\n    /**\n     * Called when user drops a drag item.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropToTextQuestion.prototype.dragEnd = function(pageX, pageY, drag) {\n        var thisQ = this,\n            root = this.getRoot(),\n            placed = false;\n        root.find('span.drop.group' + this.getGroup(drag)).each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (!thisQ.isPointInDrop(pageX, pageY, drop)) {\n                // Not this drop.\n                return true;\n            }\n\n            // Now put this drag into the drop.\n            drop.removeClass('valid-drag-over-drop');\n            thisQ.sendDragToDrop(drag, drop);\n            placed = true;\n            return false; // Stop the each() here.\n        });\n\n        root.find('span.draghome.placed.group' + this.getGroup(drag)).not('.beingdragged').each(function(i, placedNode) {\n            var placedDrag = $(placedNode);\n            if (!thisQ.isPointInDrop(pageX, pageY, placedDrag) || thisQ.isDragSameAsDrop(drag, placedDrag)) {\n                // Not this placed drag.\n                return true;\n            }\n\n            // Now put this drag into the drop.\n            placedDrag.removeClass('valid-drag-over-drop');\n            var currentPlace = thisQ.getClassnameNumericSuffix(placedDrag, 'inplace');\n            var drop = thisQ.getDrop(drag, currentPlace);\n            thisQ.sendDragToDrop(drag, drop);\n            placed = true;\n            return false; // Stop the each() here.\n        });\n\n        if (!placed) {\n            this.sendDragHome(drag);\n        }\n    };\n\n    /**\n     * Animate a drag item into a given place (or back home).\n     *\n     * @param {jQuery|null} drag the item to place. If null, clear the place.\n     * @param {jQuery} drop the place to put it.\n     */\n    DragDropToTextQuestion.prototype.sendDragToDrop = function(drag, drop) {\n        // Is there already a drag in this drop? if so, evict it.\n        var oldDrag = this.getCurrentDragInPlace(this.getPlace(drop));\n        if (oldDrag.length !== 0) {\n            var currentPlace = this.getClassnameNumericSuffix(oldDrag, 'inplace');\n            var hiddenDrop = this.getDrop(oldDrag, currentPlace);\n            hiddenDrop.addClass('active');\n            oldDrag.addClass('beingdragged');\n            oldDrag.offset(hiddenDrop.offset());\n            this.sendDragHome(oldDrag);\n        }\n\n        if (drag.length === 0) {\n            this.setInputValue(this.getPlace(drop), 0);\n            if (drop.data('isfocus')) {\n                drop.focus();\n            }\n        } else {\n            this.setInputValue(this.getPlace(drop), this.getChoice(drag));\n            drag.removeClass('unplaced')\n                .addClass('placed inplace' + this.getPlace(drop));\n            drag.attr('tabindex', 0);\n            this.animateTo(drag, drop);\n        }\n    };\n\n    /**\n     * Animate a drag back to its home.\n     *\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropToTextQuestion.prototype.sendDragHome = function(drag) {\n        var currentPlace = this.getClassnameNumericSuffix(drag, 'inplace');\n        if (currentPlace !== null) {\n            drag.removeClass('inplace' + currentPlace);\n        }\n        drag.data('unplaced', true);\n\n        this.animateTo(drag, this.getDragHome(this.getGroup(drag), this.getChoice(drag)));\n    };\n\n    /**\n     * Handles keyboard events on drops.\n     *\n     * Drops are focusable. Once focused, right/down/space switches to the next choice, and\n     * left/up switches to the previous. Escape clear.\n     *\n     * @param {KeyboardEvent} e\n     */\n    DragDropToTextQuestion.prototype.handleKeyPress = function(e) {\n        var drop = $(e.target).closest('.drop');\n        if (drop.length === 0) {\n            var placedDrag = $(e.target);\n            var currentPlace = this.getClassnameNumericSuffix(placedDrag, 'inplace');\n            if (currentPlace !== null) {\n                drop = this.getDrop(placedDrag, currentPlace);\n            }\n        }\n        var currentDrag = this.getCurrentDragInPlace(this.getPlace(drop)),\n            nextDrag = $();\n\n        switch (e.keyCode) {\n            case keys.space:\n            case keys.arrowRight:\n            case keys.arrowDown:\n                nextDrag = this.getNextDrag(this.getGroup(drop), currentDrag);\n                break;\n\n            case keys.arrowLeft:\n            case keys.arrowUp:\n                nextDrag = this.getPreviousDrag(this.getGroup(drop), currentDrag);\n                break;\n\n            case keys.escape:\n                break;\n\n            default:\n                questionManager.isKeyboardNavigation = false;\n                return; // To avoid the preventDefault below.\n        }\n\n        if (nextDrag.length) {\n            nextDrag.data('isfocus', true);\n            nextDrag.addClass('beingdragged');\n            var hiddenDrag = this.getDragClone(nextDrag);\n            if (hiddenDrag.length) {\n                if (nextDrag.hasClass('infinite')) {\n                    var noOfDrags = this.noOfDropsInGroup(this.getGroup(nextDrag));\n                    var cloneDrags = this.getInfiniteDragClones(nextDrag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = nextDrag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        cloneDrag.removeAttr('tabindex');\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                        nextDrag.offset(cloneDrag.offset());\n                    } else {\n                        hiddenDrag.addClass('active');\n                        nextDrag.offset(hiddenDrag.offset());\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                    nextDrag.offset(hiddenDrag.offset());\n                }\n            }\n        } else {\n            drop.data('isfocus', true);\n        }\n\n        e.preventDefault();\n        this.sendDragToDrop(nextDrag, drop);\n    };\n\n    /**\n     * Choose the next drag in a group.\n     *\n     * @param {int} group which group.\n     * @param {jQuery} drag current choice (empty jQuery if there isn't one).\n     * @return {jQuery} the next drag in that group, or null if there wasn't one.\n     */\n    DragDropToTextQuestion.prototype.getNextDrag = function(group, drag) {\n        var choice,\n            numChoices = this.noOfChoicesInGroup(group);\n\n        if (drag.length === 0) {\n            choice = 1; // Was empty, so we want to select the first choice.\n        } else {\n            choice = this.getChoice(drag) + 1;\n        }\n\n        var next = this.getUnplacedChoice(group, choice);\n        while (next.length === 0 && choice < numChoices) {\n            choice++;\n            next = this.getUnplacedChoice(group, choice);\n        }\n\n        return next;\n    };\n\n    /**\n     * Choose the previous drag in a group.\n     *\n     * @param {int} group which group.\n     * @param {jQuery} drag current choice (empty jQuery if there isn't one).\n     * @return {jQuery} the next drag in that group, or null if there wasn't one.\n     */\n    DragDropToTextQuestion.prototype.getPreviousDrag = function(group, drag) {\n        var choice;\n\n        if (drag.length === 0) {\n            choice = this.noOfChoicesInGroup(group);\n        } else {\n            choice = this.getChoice(drag) - 1;\n        }\n\n        var previous = this.getUnplacedChoice(group, choice);\n        while (previous.length === 0 && choice > 1) {\n            choice--;\n            previous = this.getUnplacedChoice(group, choice);\n        }\n\n        // Does this choice exist?\n        return previous;\n    };\n\n    /**\n     * Animate an object to the given destination.\n     *\n     * @param {jQuery} drag the element to be animated.\n     * @param {jQuery} target element marking the place to move it to.\n     */\n    DragDropToTextQuestion.prototype.animateTo = function(drag, target) {\n        var currentPos = drag.offset(),\n            targetPos = target.offset(),\n            thisQ = this;\n\n        M.util.js_pending('qtype_ddwtos-animate-' + thisQ.containerId);\n        // Animate works in terms of CSS position, whereas locating an object\n        // on the page works best with jQuery offset() function. So, to get\n        // the right target position, we work out the required change in\n        // offset() and then add that to the current CSS position.\n        drag.animate(\n            {\n                left: parseInt(drag.css('left')) + targetPos.left - currentPos.left,\n                top: parseInt(drag.css('top')) + targetPos.top - currentPos.top\n            },\n            {\n                duration: 'fast',\n                done: function() {\n                    $('body').trigger('qtype_ddwtos-dragmoved', [drag, target, thisQ]);\n                    M.util.js_complete('qtype_ddwtos-animate-' + thisQ.containerId);\n                }\n            }\n        );\n    };\n\n    /**\n     * Detect if a point is inside a given DOM node.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drop the node to check (typically a drop).\n     * @return {boolean} whether the point is inside the node.\n     */\n    DragDropToTextQuestion.prototype.isPointInDrop = function(pageX, pageY, drop) {\n        var position = drop.offset();\n        return pageX >= position.left && pageX < position.left + drop.width()\n                && pageY >= position.top && pageY < position.top + drop.height();\n    };\n\n    /**\n     * Set the value of the hidden input for a place, to record what is currently there.\n     *\n     * @param {int} place which place to set the input value for.\n     * @param {int} choice the value to set.\n     */\n    DragDropToTextQuestion.prototype.setInputValue = function(place, choice) {\n        this.getRoot().find('input.placeinput.place' + place).val(choice);\n    };\n\n    /**\n     * Get the outer div for this question.\n     *\n     * @returns {jQuery} containing that div.\n     */\n    DragDropToTextQuestion.prototype.getRoot = function() {\n        return $(document.getElementById(this.containerId));\n    };\n\n    /**\n     * Get drag home for a given choice.\n     *\n     * @param {int} group the group.\n     * @param {int} choice the choice number.\n     * @returns {jQuery} containing that div.\n     */\n    DragDropToTextQuestion.prototype.getDragHome = function(group, choice) {\n        if (!this.getRoot().find('.draghome.dragplaceholder.group' + group + '.choice' + choice).is(':visible')) {\n            return this.getRoot().find('.draggrouphomes' + group +\n                ' span.draghome.infinite' +\n                '.choice' + choice +\n                '.group' + group);\n        }\n        return this.getRoot().find('.draghome.dragplaceholder.group' + group + '.choice' + choice);\n    };\n\n    /**\n     * Get an unplaced choice for a particular group.\n     *\n     * @param {int} group the group.\n     * @param {int} choice the choice number.\n     * @returns {jQuery} jQuery wrapping the unplaced choice. If there isn't one, the jQuery will be empty.\n     */\n    DragDropToTextQuestion.prototype.getUnplacedChoice = function(group, choice) {\n        return this.getRoot().find('.draghome.group' + group + '.choice' + choice + '.unplaced').slice(0, 1);\n    };\n\n    /**\n     * Get the drag that is currently in a given place.\n     *\n     * @param {int} place the place number.\n     * @return {jQuery} the current drag (or an empty jQuery if none).\n     */\n    DragDropToTextQuestion.prototype.getCurrentDragInPlace = function(place) {\n        return this.getRoot().find('span.draghome.inplace' + place);\n    };\n\n    /**\n     * Return the number of blanks in a given group.\n     *\n     * @param {int} group the group number.\n     * @returns {int} the number of drops.\n     */\n    DragDropToTextQuestion.prototype.noOfDropsInGroup = function(group) {\n        return this.getRoot().find('.drop.group' + group).length;\n    };\n\n    /**\n     * Return the number of choices in a given group.\n     *\n     * @param {int} group the group number.\n     * @returns {int} the number of choices.\n     */\n    DragDropToTextQuestion.prototype.noOfChoicesInGroup = function(group) {\n        return this.getRoot().find('.draghome.group' + group).length;\n    };\n\n    /**\n     * Return the number at the end of the CSS class name with the given prefix.\n     *\n     * @param {jQuery} node\n     * @param {String} prefix name prefix\n     * @returns {Number|null} the suffix if found, else null.\n     */\n    DragDropToTextQuestion.prototype.getClassnameNumericSuffix = function(node, prefix) {\n        var classes = node.attr('class');\n        if (classes !== '') {\n            var classesArr = classes.split(' ');\n            for (var index = 0; index < classesArr.length; index++) {\n                var patt1 = new RegExp('^' + prefix + '([0-9])+$');\n                if (patt1.test(classesArr[index])) {\n                    var patt2 = new RegExp('([0-9])+$');\n                    var match = patt2.exec(classesArr[index]);\n                    return Number(match[0]);\n                }\n            }\n        }\n        return null;\n    };\n\n    /**\n     * Get the choice number of a drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {Number} the choice number.\n     */\n    DragDropToTextQuestion.prototype.getChoice = function(drag) {\n        return this.getClassnameNumericSuffix(drag, 'choice');\n    };\n\n    /**\n     * Given a DOM node that is significant to this question\n     * (drag, drop, ...) get the group it belongs to.\n     *\n     * @param {jQuery} node a DOM node.\n     * @returns {Number} the group it belongs to.\n     */\n    DragDropToTextQuestion.prototype.getGroup = function(node) {\n        return this.getClassnameNumericSuffix(node, 'group');\n    };\n\n    /**\n     * Get the place number of a drop, or its corresponding hidden input.\n     *\n     * @param {jQuery} node the DOM node.\n     * @returns {Number} the place number.\n     */\n    DragDropToTextQuestion.prototype.getPlace = function(node) {\n        return this.getClassnameNumericSuffix(node, 'place');\n    };\n\n    /**\n     * Get drag clone for a given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {jQuery} the drag's clone.\n     */\n    DragDropToTextQuestion.prototype.getDragClone = function(drag) {\n        return this.getRoot().find('.draggrouphomes' +\n            this.getGroup(drag) +\n            ' span.draghome' +\n            '.choice' + this.getChoice(drag) +\n            '.group' + this.getGroup(drag) +\n            '.dragplaceholder');\n    };\n\n    /**\n     * Get infinite drag clones for given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Boolean} inHome in the home area or not.\n     * @returns {jQuery} the drag's clones.\n     */\n    DragDropToTextQuestion.prototype.getInfiniteDragClones = function(drag, inHome) {\n        if (inHome) {\n            return this.getRoot().find('.draggrouphomes' +\n                this.getGroup(drag) +\n                ' span.draghome' +\n                '.choice' + this.getChoice(drag) +\n                '.group' + this.getGroup(drag) +\n                '.infinite').not('.dragplaceholder');\n        }\n        return this.getRoot().find('span.draghome' +\n            '.choice' + this.getChoice(drag) +\n            '.group' + this.getGroup(drag) +\n            '.infinite').not('.dragplaceholder');\n    };\n\n    /**\n     * Get drop for a given drag and place.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Integer} currentPlace the current place of drag.\n     * @returns {jQuery} the drop's clone.\n     */\n    DragDropToTextQuestion.prototype.getDrop = function(drag, currentPlace) {\n        return this.getRoot().find('.drop.group' + this.getGroup(drag) + '.place' + currentPlace);\n    };\n\n    /**\n     * Check that the drag is drop to it's clone.\n     *\n     * @param {jQuery} drag The drag.\n     * @param {jQuery} drop The drop.\n     * @returns {boolean}\n     */\n    DragDropToTextQuestion.prototype.isDragSameAsDrop = function(drag, drop) {\n        return this.getChoice(drag) === this.getChoice(drop) && this.getGroup(drag) === this.getGroup(drop);\n    };\n\n    /**\n     * Singleton that tracks all the DragDropToTextQuestions on this page, and deals\n     * with event dispatching.\n     *\n     * @type {Object}\n     */\n    var questionManager = {\n        /**\n         * {boolean} used to ensure the event handlers are only initialised once per page.\n         */\n        eventHandlersInitialised: false,\n\n        /**\n         * {boolean} is keyboard navigation or not.\n         */\n        isKeyboardNavigation: false,\n\n        /**\n         * {DragDropToTextQuestion[]} all the questions on this page, indexed by containerId (id on the .que div).\n         */\n        questions: {},\n\n        /**\n         * Initialise questions.\n         *\n         * @param {String} containerId id of the outer div for this question.\n         * @param {boolean} readOnly whether the question is being displayed read-only.\n         */\n        init: function(containerId, readOnly) {\n            questionManager.questions[containerId] = new DragDropToTextQuestion(containerId, readOnly);\n            if (!questionManager.eventHandlersInitialised) {\n                questionManager.setupEventHandlers();\n                questionManager.eventHandlersInitialised = true;\n            }\n        },\n\n        /**\n         * Set up the event handlers that make this question type work. (Done once per page.)\n         */\n        setupEventHandlers: function() {\n            // We do not use the body event here to prevent the other event on Mobile device, such as scroll event.\n            questionManager.addEventHandlersToDrag($('.que.ddwtos:not(.qtype_ddwtos-readonly) span.draghome'));\n            $('body')\n                .on('keydown',\n                    '.que.ddwtos:not(.qtype_ddwtos-readonly) span.drop',\n                    questionManager.handleKeyPress)\n                .on('keydown',\n                    '.que.ddwtos:not(.qtype_ddwtos-readonly) span.draghome.placed:not(.beingdragged)',\n                    questionManager.handleKeyPress)\n                .on('qtype_ddwtos-dragmoved', questionManager.handleDragMoved);\n        },\n\n        /**\n         * Binding the drag/touch event again for newly created element.\n         *\n         * @param {jQuery} element Element to bind the event\n         */\n        addEventHandlersToDrag: function(element) {\n            // Unbind all the mousedown and touchstart events to prevent double binding.\n            element.unbind('mousedown touchstart');\n            element.on('mousedown touchstart', questionManager.handleDragStart);\n        },\n\n        /**\n         * Handle mouse down / touch start on drags.\n         * @param {Event} e the DOM event.\n         */\n        handleDragStart: function(e) {\n            e.preventDefault();\n            var question = questionManager.getQuestionForEvent(e);\n            if (question) {\n                question.handleDragStart(e);\n            }\n        },\n\n        /**\n         * Handle key down / press on drops.\n         * @param {KeyboardEvent} e\n         */\n        handleKeyPress: function(e) {\n            if (questionManager.isKeyboardNavigation) {\n                return;\n            }\n            questionManager.isKeyboardNavigation = true;\n            var question = questionManager.getQuestionForEvent(e);\n            if (question) {\n                question.handleKeyPress(e);\n            }\n        },\n\n        /**\n         * Given an event, work out which question it affects.\n         *\n         * @param {Event} e the event.\n         * @returns {DragDropToTextQuestion|undefined} The question, or undefined.\n         */\n        getQuestionForEvent: function(e) {\n            var containerId = $(e.currentTarget).closest('.que.ddwtos').attr('id');\n            return questionManager.questions[containerId];\n        },\n\n        /**\n         * Handle when drag moved.\n         *\n         * @param {Event} e the event.\n         * @param {jQuery} drag the drag\n         * @param {jQuery} target the target\n         * @param {DragDropToTextQuestion} thisQ the question.\n         */\n        handleDragMoved: function(e, drag, target, thisQ) {\n            drag.removeClass('beingdragged');\n            drag.css('top', '').css('left', '');\n            target.after(drag);\n            target.removeClass('active');\n            if (typeof drag.data('unplaced') !== 'undefined' && drag.data('unplaced') === true) {\n                drag.removeClass('placed').addClass('unplaced');\n                drag.removeAttr('tabindex');\n                drag.removeData('unplaced');\n                if (drag.hasClass('infinite') && thisQ.getInfiniteDragClones(drag, true).length > 1) {\n                    thisQ.getInfiniteDragClones(drag, true).first().remove();\n                }\n            }\n            if (typeof drag.data('isfocus') !== 'undefined' && drag.data('isfocus') === true) {\n                drag.focus();\n                drag.removeData('isfocus');\n            }\n            if (typeof target.data('isfocus') !== 'undefined' && target.data('isfocus') === true) {\n                target.removeData('isfocus');\n            }\n            if (questionManager.isKeyboardNavigation) {\n                questionManager.isKeyboardNavigation = false;\n            }\n        }\n    };\n\n    /**\n     * @alias module:qtype_ddwtos/ddwtos\n     */\n    return {\n        /**\n         * Initialise one drag-drop into text question.\n         *\n         * @param {String} containerId id of the outer div for this question.\n         * @param {boolean} readOnly whether the question is being displayed read-only.\n         */\n        init: questionManager.init\n    };\n});\n"],"file":"ddwtos.min.js"}
\ No newline at end of file
+{"version":3,"file":"ddwtos.min.js","sources":["../src/ddwtos.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * JavaScript to make drag-drop into text questions work.\n *\n * Some vocabulary to help understand this code:\n *\n * The question text contains 'drops' - blanks into which the 'drags', the missing\n * words, can be put.\n *\n * The thing that can be moved into the drops are called 'drags'. There may be\n * multiple copies of the 'same' drag which does not really cause problems.\n * Each drag has a 'choice' number which is the value set on the drop's hidden\n * input when this drag is placed in a drop.\n *\n * These may be in separate 'groups', distinguished by colour.\n * Things can only interact with other things in the same group.\n * The groups are numbered from 1.\n *\n * The place where a given drag started from is called its 'home'.\n *\n * @module     qtype_ddwtos/ddwtos\n * @package    qtype_ddwtos\n * @copyright  2018 The Open University\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.6\n */\ndefine(['jquery', 'core/dragdrop', 'core/key_codes'], function($, dragDrop, keys) {\n\n    \"use strict\";\n\n    /**\n     * Object to handle one drag-drop into text question.\n     *\n     * @param {String} containerId id of the outer div for this question.\n     * @param {boolean} readOnly whether the question is being displayed read-only.\n     * @constructor\n     */\n    function DragDropToTextQuestion(containerId, readOnly) {\n        this.containerId = containerId;\n        if (readOnly) {\n            this.getRoot().addClass('qtype_ddwtos-readonly');\n        }\n        this.resizeAllDragsAndDrops();\n        this.cloneDrags();\n        this.positionDrags();\n    }\n\n    /**\n     * In each group, resize all the items to be the same size.\n     */\n    DragDropToTextQuestion.prototype.resizeAllDragsAndDrops = function() {\n        var thisQ = this;\n        this.getRoot().find('.answercontainer > div').each(function(i, node) {\n            thisQ.resizeAllDragsAndDropsInGroup(\n                thisQ.getClassnameNumericSuffix($(node), 'draggrouphomes'));\n        });\n    };\n\n    /**\n     * In a given group, set all the drags and drops to be the same size.\n     *\n     * @param {int} group the group number.\n     */\n    DragDropToTextQuestion.prototype.resizeAllDragsAndDropsInGroup = function(group) {\n        var thisQ = this,\n            dragHomes = this.getRoot().find('.draggrouphomes' + group + ' span.draghome'),\n            maxWidth = 0,\n            maxHeight = 0;\n\n        // Find the maximum size of any drag in this groups.\n        dragHomes.each(function(i, drag) {\n            maxWidth = Math.max(maxWidth, Math.ceil(drag.offsetWidth));\n            maxHeight = Math.max(maxHeight, Math.ceil(0 + drag.offsetHeight));\n        });\n\n        // The size we will want to set is a bit bigger than this.\n        maxWidth += 8;\n        maxHeight += 2;\n\n        // Set each drag home to that size.\n        dragHomes.each(function(i, drag) {\n            thisQ.setElementSize(drag, maxWidth, maxHeight);\n        });\n\n        // Set each drop to that size.\n        this.getRoot().find('span.drop.group' + group).each(function(i, drop) {\n            thisQ.setElementSize(drop, maxWidth, maxHeight);\n        });\n    };\n\n    /**\n     * Set a given DOM element to be a particular size.\n     *\n     * @param {HTMLElement} element\n     * @param {int} width\n     * @param {int} height\n     */\n    DragDropToTextQuestion.prototype.setElementSize = function(element, width, height) {\n        $(element).width(width).height(height).css('lineHeight', height + 'px');\n    };\n\n    /**\n     * Invisible 'drag homes' are output by the renderer. These have the same properties\n     * as the drag items but are invisible. We clone these invisible elements to make the\n     * actual drag items.\n     */\n    DragDropToTextQuestion.prototype.cloneDrags = function() {\n        var thisQ = this;\n        thisQ.getRoot().find('span.draghome').each(function(index, draghome) {\n            var drag = $(draghome);\n            var placeHolder = drag.clone();\n            placeHolder.removeClass();\n            placeHolder.addClass('draghome choice' +\n                thisQ.getChoice(drag) + ' group' +\n                thisQ.getGroup(drag) + ' dragplaceholder');\n            drag.before(placeHolder);\n        });\n    };\n\n    /**\n     * Update the position of drags.\n     */\n    DragDropToTextQuestion.prototype.positionDrags = function() {\n        var thisQ = this,\n            root = this.getRoot();\n\n        // First move all items back home.\n        root.find('span.draghome').not('.dragplaceholder').each(function(i, dragNode) {\n            var drag = $(dragNode),\n                currentPlace = thisQ.getClassnameNumericSuffix(drag, 'inplace');\n            drag.addClass('unplaced')\n                .removeClass('placed');\n            drag.removeAttr('tabindex');\n            if (currentPlace !== null) {\n                drag.removeClass('inplace' + currentPlace);\n            }\n        });\n\n        // Then place the once that should be placed.\n        root.find('input.placeinput').each(function(i, inputNode) {\n            var input = $(inputNode),\n                choice = input.val(),\n                place = thisQ.getPlace(input);\n\n            // Record the last known position of the drop.\n            var drop = root.find('.drop.place' + place),\n                dropPosition = drop.offset();\n            drop.data('prev-top', dropPosition.top).data('prev-left', dropPosition.left);\n\n            if (choice === '0') {\n                // No item in this place.\n                return;\n            }\n\n            // Get the unplaced drag.\n            var unplacedDrag = thisQ.getUnplacedChoice(thisQ.getGroup(input), choice);\n            // Get the clone of the drag.\n            var hiddenDrag = thisQ.getDragClone(unplacedDrag);\n            if (hiddenDrag.length) {\n                if (unplacedDrag.hasClass('infinite')) {\n                    var noOfDrags = thisQ.noOfDropsInGroup(thisQ.getGroup(unplacedDrag));\n                    var cloneDrags = thisQ.getInfiniteDragClones(unplacedDrag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = unplacedDrag.clone();\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                    } else {\n                        hiddenDrag.addClass('active');\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                }\n            }\n            // Send the drag to drop.\n            thisQ.sendDragToDrop(thisQ.getUnplacedChoice(thisQ.getGroup(input), choice), drop);\n        });\n    };\n\n    /**\n     * Handles the start of dragging an item.\n     *\n     * @param {Event} e the touch start or mouse down event.\n     */\n    DragDropToTextQuestion.prototype.handleDragStart = function(e) {\n        var thisQ = this,\n            drag = $(e.target).closest('.draghome');\n\n        var info = dragDrop.prepare(e);\n        if (!info.start) {\n            return;\n        }\n\n        drag.addClass('beingdragged');\n        var currentPlace = this.getClassnameNumericSuffix(drag, 'inplace');\n        if (currentPlace !== null) {\n            this.setInputValue(currentPlace, 0);\n            drag.removeClass('inplace' + currentPlace);\n            var hiddenDrop = thisQ.getDrop(drag, currentPlace);\n            if (hiddenDrop.length) {\n                hiddenDrop.addClass('active');\n                drag.offset(hiddenDrop.offset());\n            }\n        } else {\n            var hiddenDrag = thisQ.getDragClone(drag);\n            if (hiddenDrag.length) {\n                if (drag.hasClass('infinite')) {\n                    var noOfDrags = this.noOfDropsInGroup(this.getGroup(drag));\n                    var cloneDrags = this.getInfiniteDragClones(drag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = drag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                        drag.offset(cloneDrag.offset());\n                    } else {\n                        hiddenDrag.addClass('active');\n                        drag.offset(hiddenDrag.offset());\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                    drag.offset(hiddenDrag.offset());\n                }\n            }\n        }\n\n        dragDrop.start(e, drag, function(x, y, drag) {\n            thisQ.dragMove(x, y, drag);\n        }, function(x, y, drag) {\n            thisQ.dragEnd(x, y, drag);\n        });\n    };\n\n    /**\n     * Called whenever the currently dragged items moves.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropToTextQuestion.prototype.dragMove = function(pageX, pageY, drag) {\n        var thisQ = this;\n        this.getRoot().find('span.drop.group' + this.getGroup(drag)).each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (thisQ.isPointInDrop(pageX, pageY, drop)) {\n                drop.addClass('valid-drag-over-drop');\n            } else {\n                drop.removeClass('valid-drag-over-drop');\n            }\n        });\n        this.getRoot().find('span.draghome.placed.group' + this.getGroup(drag)).not('.beingdragged').each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (thisQ.isPointInDrop(pageX, pageY, drop) && !thisQ.isDragSameAsDrop(drag, drop)) {\n                drop.addClass('valid-drag-over-drop');\n            } else {\n                drop.removeClass('valid-drag-over-drop');\n            }\n        });\n    };\n\n    /**\n     * Called when user drops a drag item.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropToTextQuestion.prototype.dragEnd = function(pageX, pageY, drag) {\n        var thisQ = this,\n            root = this.getRoot(),\n            placed = false;\n        root.find('span.drop.group' + this.getGroup(drag)).each(function(i, dropNode) {\n            var drop = $(dropNode);\n            if (!thisQ.isPointInDrop(pageX, pageY, drop)) {\n                // Not this drop.\n                return true;\n            }\n\n            // Now put this drag into the drop.\n            drop.removeClass('valid-drag-over-drop');\n            thisQ.sendDragToDrop(drag, drop);\n            placed = true;\n            return false; // Stop the each() here.\n        });\n\n        root.find('span.draghome.placed.group' + this.getGroup(drag)).not('.beingdragged').each(function(i, placedNode) {\n            var placedDrag = $(placedNode);\n            if (!thisQ.isPointInDrop(pageX, pageY, placedDrag) || thisQ.isDragSameAsDrop(drag, placedDrag)) {\n                // Not this placed drag.\n                return true;\n            }\n\n            // Now put this drag into the drop.\n            placedDrag.removeClass('valid-drag-over-drop');\n            var currentPlace = thisQ.getClassnameNumericSuffix(placedDrag, 'inplace');\n            var drop = thisQ.getDrop(drag, currentPlace);\n            thisQ.sendDragToDrop(drag, drop);\n            placed = true;\n            return false; // Stop the each() here.\n        });\n\n        if (!placed) {\n            this.sendDragHome(drag);\n        }\n    };\n\n    /**\n     * Animate a drag item into a given place (or back home).\n     *\n     * @param {jQuery|null} drag the item to place. If null, clear the place.\n     * @param {jQuery} drop the place to put it.\n     */\n    DragDropToTextQuestion.prototype.sendDragToDrop = function(drag, drop) {\n        // Is there already a drag in this drop? if so, evict it.\n        var oldDrag = this.getCurrentDragInPlace(this.getPlace(drop));\n        if (oldDrag.length !== 0) {\n            var currentPlace = this.getClassnameNumericSuffix(oldDrag, 'inplace');\n            var hiddenDrop = this.getDrop(oldDrag, currentPlace);\n            hiddenDrop.addClass('active');\n            oldDrag.addClass('beingdragged');\n            oldDrag.offset(hiddenDrop.offset());\n            this.sendDragHome(oldDrag);\n        }\n\n        if (drag.length === 0) {\n            this.setInputValue(this.getPlace(drop), 0);\n            if (drop.data('isfocus')) {\n                drop.focus();\n            }\n        } else {\n            this.setInputValue(this.getPlace(drop), this.getChoice(drag));\n            drag.removeClass('unplaced')\n                .addClass('placed inplace' + this.getPlace(drop));\n            drag.attr('tabindex', 0);\n            this.animateTo(drag, drop);\n        }\n    };\n\n    /**\n     * Animate a drag back to its home.\n     *\n     * @param {jQuery} drag the item being moved.\n     */\n    DragDropToTextQuestion.prototype.sendDragHome = function(drag) {\n        var currentPlace = this.getClassnameNumericSuffix(drag, 'inplace');\n        if (currentPlace !== null) {\n            drag.removeClass('inplace' + currentPlace);\n        }\n        drag.data('unplaced', true);\n\n        this.animateTo(drag, this.getDragHome(this.getGroup(drag), this.getChoice(drag)));\n    };\n\n    /**\n     * Handles keyboard events on drops.\n     *\n     * Drops are focusable. Once focused, right/down/space switches to the next choice, and\n     * left/up switches to the previous. Escape clear.\n     *\n     * @param {KeyboardEvent} e\n     */\n    DragDropToTextQuestion.prototype.handleKeyPress = function(e) {\n        var drop = $(e.target).closest('.drop');\n        if (drop.length === 0) {\n            var placedDrag = $(e.target);\n            var currentPlace = this.getClassnameNumericSuffix(placedDrag, 'inplace');\n            if (currentPlace !== null) {\n                drop = this.getDrop(placedDrag, currentPlace);\n            }\n        }\n        var currentDrag = this.getCurrentDragInPlace(this.getPlace(drop)),\n            nextDrag = $();\n\n        switch (e.keyCode) {\n            case keys.space:\n            case keys.arrowRight:\n            case keys.arrowDown:\n                nextDrag = this.getNextDrag(this.getGroup(drop), currentDrag);\n                break;\n\n            case keys.arrowLeft:\n            case keys.arrowUp:\n                nextDrag = this.getPreviousDrag(this.getGroup(drop), currentDrag);\n                break;\n\n            case keys.escape:\n                break;\n\n            default:\n                questionManager.isKeyboardNavigation = false;\n                return; // To avoid the preventDefault below.\n        }\n\n        if (nextDrag.length) {\n            nextDrag.data('isfocus', true);\n            nextDrag.addClass('beingdragged');\n            var hiddenDrag = this.getDragClone(nextDrag);\n            if (hiddenDrag.length) {\n                if (nextDrag.hasClass('infinite')) {\n                    var noOfDrags = this.noOfDropsInGroup(this.getGroup(nextDrag));\n                    var cloneDrags = this.getInfiniteDragClones(nextDrag, false);\n                    if (cloneDrags.length < noOfDrags) {\n                        var cloneDrag = nextDrag.clone();\n                        cloneDrag.removeClass('beingdragged');\n                        cloneDrag.removeAttr('tabindex');\n                        hiddenDrag.after(cloneDrag);\n                        questionManager.addEventHandlersToDrag(cloneDrag);\n                        nextDrag.offset(cloneDrag.offset());\n                    } else {\n                        hiddenDrag.addClass('active');\n                        nextDrag.offset(hiddenDrag.offset());\n                    }\n                } else {\n                    hiddenDrag.addClass('active');\n                    nextDrag.offset(hiddenDrag.offset());\n                }\n            }\n        } else {\n            drop.data('isfocus', true);\n        }\n\n        e.preventDefault();\n        this.sendDragToDrop(nextDrag, drop);\n    };\n\n    /**\n     * Choose the next drag in a group.\n     *\n     * @param {int} group which group.\n     * @param {jQuery} drag current choice (empty jQuery if there isn't one).\n     * @return {jQuery} the next drag in that group, or null if there wasn't one.\n     */\n    DragDropToTextQuestion.prototype.getNextDrag = function(group, drag) {\n        var choice,\n            numChoices = this.noOfChoicesInGroup(group);\n\n        if (drag.length === 0) {\n            choice = 1; // Was empty, so we want to select the first choice.\n        } else {\n            choice = this.getChoice(drag) + 1;\n        }\n\n        var next = this.getUnplacedChoice(group, choice);\n        while (next.length === 0 && choice < numChoices) {\n            choice++;\n            next = this.getUnplacedChoice(group, choice);\n        }\n\n        return next;\n    };\n\n    /**\n     * Choose the previous drag in a group.\n     *\n     * @param {int} group which group.\n     * @param {jQuery} drag current choice (empty jQuery if there isn't one).\n     * @return {jQuery} the next drag in that group, or null if there wasn't one.\n     */\n    DragDropToTextQuestion.prototype.getPreviousDrag = function(group, drag) {\n        var choice;\n\n        if (drag.length === 0) {\n            choice = this.noOfChoicesInGroup(group);\n        } else {\n            choice = this.getChoice(drag) - 1;\n        }\n\n        var previous = this.getUnplacedChoice(group, choice);\n        while (previous.length === 0 && choice > 1) {\n            choice--;\n            previous = this.getUnplacedChoice(group, choice);\n        }\n\n        // Does this choice exist?\n        return previous;\n    };\n\n    /**\n     * Animate an object to the given destination.\n     *\n     * @param {jQuery} drag the element to be animated.\n     * @param {jQuery} target element marking the place to move it to.\n     */\n    DragDropToTextQuestion.prototype.animateTo = function(drag, target) {\n        var currentPos = drag.offset(),\n            targetPos = target.offset(),\n            thisQ = this;\n\n        M.util.js_pending('qtype_ddwtos-animate-' + thisQ.containerId);\n        // Animate works in terms of CSS position, whereas locating an object\n        // on the page works best with jQuery offset() function. So, to get\n        // the right target position, we work out the required change in\n        // offset() and then add that to the current CSS position.\n        drag.animate(\n            {\n                left: parseInt(drag.css('left')) + targetPos.left - currentPos.left,\n                top: parseInt(drag.css('top')) + targetPos.top - currentPos.top\n            },\n            {\n                duration: 'fast',\n                done: function() {\n                    $('body').trigger('qtype_ddwtos-dragmoved', [drag, target, thisQ]);\n                    M.util.js_complete('qtype_ddwtos-animate-' + thisQ.containerId);\n                }\n            }\n        );\n    };\n\n    /**\n     * Detect if a point is inside a given DOM node.\n     *\n     * @param {Number} pageX the x position.\n     * @param {Number} pageY the y position.\n     * @param {jQuery} drop the node to check (typically a drop).\n     * @return {boolean} whether the point is inside the node.\n     */\n    DragDropToTextQuestion.prototype.isPointInDrop = function(pageX, pageY, drop) {\n        var position = drop.offset();\n        return pageX >= position.left && pageX < position.left + drop.width()\n                && pageY >= position.top && pageY < position.top + drop.height();\n    };\n\n    /**\n     * Set the value of the hidden input for a place, to record what is currently there.\n     *\n     * @param {int} place which place to set the input value for.\n     * @param {int} choice the value to set.\n     */\n    DragDropToTextQuestion.prototype.setInputValue = function(place, choice) {\n        this.getRoot().find('input.placeinput.place' + place).val(choice);\n    };\n\n    /**\n     * Get the outer div for this question.\n     *\n     * @returns {jQuery} containing that div.\n     */\n    DragDropToTextQuestion.prototype.getRoot = function() {\n        return $(document.getElementById(this.containerId));\n    };\n\n    /**\n     * Get drag home for a given choice.\n     *\n     * @param {int} group the group.\n     * @param {int} choice the choice number.\n     * @returns {jQuery} containing that div.\n     */\n    DragDropToTextQuestion.prototype.getDragHome = function(group, choice) {\n        if (!this.getRoot().find('.draghome.dragplaceholder.group' + group + '.choice' + choice).is(':visible')) {\n            return this.getRoot().find('.draggrouphomes' + group +\n                ' span.draghome.infinite' +\n                '.choice' + choice +\n                '.group' + group);\n        }\n        return this.getRoot().find('.draghome.dragplaceholder.group' + group + '.choice' + choice);\n    };\n\n    /**\n     * Get an unplaced choice for a particular group.\n     *\n     * @param {int} group the group.\n     * @param {int} choice the choice number.\n     * @returns {jQuery} jQuery wrapping the unplaced choice. If there isn't one, the jQuery will be empty.\n     */\n    DragDropToTextQuestion.prototype.getUnplacedChoice = function(group, choice) {\n        return this.getRoot().find('.draghome.group' + group + '.choice' + choice + '.unplaced').slice(0, 1);\n    };\n\n    /**\n     * Get the drag that is currently in a given place.\n     *\n     * @param {int} place the place number.\n     * @return {jQuery} the current drag (or an empty jQuery if none).\n     */\n    DragDropToTextQuestion.prototype.getCurrentDragInPlace = function(place) {\n        return this.getRoot().find('span.draghome.inplace' + place);\n    };\n\n    /**\n     * Return the number of blanks in a given group.\n     *\n     * @param {int} group the group number.\n     * @returns {int} the number of drops.\n     */\n    DragDropToTextQuestion.prototype.noOfDropsInGroup = function(group) {\n        return this.getRoot().find('.drop.group' + group).length;\n    };\n\n    /**\n     * Return the number of choices in a given group.\n     *\n     * @param {int} group the group number.\n     * @returns {int} the number of choices.\n     */\n    DragDropToTextQuestion.prototype.noOfChoicesInGroup = function(group) {\n        return this.getRoot().find('.draghome.group' + group).length;\n    };\n\n    /**\n     * Return the number at the end of the CSS class name with the given prefix.\n     *\n     * @param {jQuery} node\n     * @param {String} prefix name prefix\n     * @returns {Number|null} the suffix if found, else null.\n     */\n    DragDropToTextQuestion.prototype.getClassnameNumericSuffix = function(node, prefix) {\n        var classes = node.attr('class');\n        if (classes !== '') {\n            var classesArr = classes.split(' ');\n            for (var index = 0; index < classesArr.length; index++) {\n                var patt1 = new RegExp('^' + prefix + '([0-9])+$');\n                if (patt1.test(classesArr[index])) {\n                    var patt2 = new RegExp('([0-9])+$');\n                    var match = patt2.exec(classesArr[index]);\n                    return Number(match[0]);\n                }\n            }\n        }\n        return null;\n    };\n\n    /**\n     * Get the choice number of a drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {Number} the choice number.\n     */\n    DragDropToTextQuestion.prototype.getChoice = function(drag) {\n        return this.getClassnameNumericSuffix(drag, 'choice');\n    };\n\n    /**\n     * Given a DOM node that is significant to this question\n     * (drag, drop, ...) get the group it belongs to.\n     *\n     * @param {jQuery} node a DOM node.\n     * @returns {Number} the group it belongs to.\n     */\n    DragDropToTextQuestion.prototype.getGroup = function(node) {\n        return this.getClassnameNumericSuffix(node, 'group');\n    };\n\n    /**\n     * Get the place number of a drop, or its corresponding hidden input.\n     *\n     * @param {jQuery} node the DOM node.\n     * @returns {Number} the place number.\n     */\n    DragDropToTextQuestion.prototype.getPlace = function(node) {\n        return this.getClassnameNumericSuffix(node, 'place');\n    };\n\n    /**\n     * Get drag clone for a given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @returns {jQuery} the drag's clone.\n     */\n    DragDropToTextQuestion.prototype.getDragClone = function(drag) {\n        return this.getRoot().find('.draggrouphomes' +\n            this.getGroup(drag) +\n            ' span.draghome' +\n            '.choice' + this.getChoice(drag) +\n            '.group' + this.getGroup(drag) +\n            '.dragplaceholder');\n    };\n\n    /**\n     * Get infinite drag clones for given drag.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Boolean} inHome in the home area or not.\n     * @returns {jQuery} the drag's clones.\n     */\n    DragDropToTextQuestion.prototype.getInfiniteDragClones = function(drag, inHome) {\n        if (inHome) {\n            return this.getRoot().find('.draggrouphomes' +\n                this.getGroup(drag) +\n                ' span.draghome' +\n                '.choice' + this.getChoice(drag) +\n                '.group' + this.getGroup(drag) +\n                '.infinite').not('.dragplaceholder');\n        }\n        return this.getRoot().find('span.draghome' +\n            '.choice' + this.getChoice(drag) +\n            '.group' + this.getGroup(drag) +\n            '.infinite').not('.dragplaceholder');\n    };\n\n    /**\n     * Get drop for a given drag and place.\n     *\n     * @param {jQuery} drag the drag.\n     * @param {Integer} currentPlace the current place of drag.\n     * @returns {jQuery} the drop's clone.\n     */\n    DragDropToTextQuestion.prototype.getDrop = function(drag, currentPlace) {\n        return this.getRoot().find('.drop.group' + this.getGroup(drag) + '.place' + currentPlace);\n    };\n\n    /**\n     * Check that the drag is drop to it's clone.\n     *\n     * @param {jQuery} drag The drag.\n     * @param {jQuery} drop The drop.\n     * @returns {boolean}\n     */\n    DragDropToTextQuestion.prototype.isDragSameAsDrop = function(drag, drop) {\n        return this.getChoice(drag) === this.getChoice(drop) && this.getGroup(drag) === this.getGroup(drop);\n    };\n\n    /**\n     * Singleton that tracks all the DragDropToTextQuestions on this page, and deals\n     * with event dispatching.\n     *\n     * @type {Object}\n     */\n    var questionManager = {\n        /**\n         * {boolean} used to ensure the event handlers are only initialised once per page.\n         */\n        eventHandlersInitialised: false,\n\n        /**\n         * {boolean} is keyboard navigation or not.\n         */\n        isKeyboardNavigation: false,\n\n        /**\n         * {DragDropToTextQuestion[]} all the questions on this page, indexed by containerId (id on the .que div).\n         */\n        questions: {},\n\n        /**\n         * Initialise questions.\n         *\n         * @param {String} containerId id of the outer div for this question.\n         * @param {boolean} readOnly whether the question is being displayed read-only.\n         */\n        init: function(containerId, readOnly) {\n            questionManager.questions[containerId] = new DragDropToTextQuestion(containerId, readOnly);\n            if (!questionManager.eventHandlersInitialised) {\n                questionManager.setupEventHandlers();\n                questionManager.eventHandlersInitialised = true;\n            }\n        },\n\n        /**\n         * Set up the event handlers that make this question type work. (Done once per page.)\n         */\n        setupEventHandlers: function() {\n            // We do not use the body event here to prevent the other event on Mobile device, such as scroll event.\n            questionManager.addEventHandlersToDrag($('.que.ddwtos:not(.qtype_ddwtos-readonly) span.draghome'));\n            $('body')\n                .on('keydown',\n                    '.que.ddwtos:not(.qtype_ddwtos-readonly) span.drop',\n                    questionManager.handleKeyPress)\n                .on('keydown',\n                    '.que.ddwtos:not(.qtype_ddwtos-readonly) span.draghome.placed:not(.beingdragged)',\n                    questionManager.handleKeyPress)\n                .on('qtype_ddwtos-dragmoved', questionManager.handleDragMoved);\n        },\n\n        /**\n         * Binding the drag/touch event again for newly created element.\n         *\n         * @param {jQuery} element Element to bind the event\n         */\n        addEventHandlersToDrag: function(element) {\n            // Unbind all the mousedown and touchstart events to prevent double binding.\n            element.unbind('mousedown touchstart');\n            element.on('mousedown touchstart', questionManager.handleDragStart);\n        },\n\n        /**\n         * Handle mouse down / touch start on drags.\n         * @param {Event} e the DOM event.\n         */\n        handleDragStart: function(e) {\n            e.preventDefault();\n            var question = questionManager.getQuestionForEvent(e);\n            if (question) {\n                question.handleDragStart(e);\n            }\n        },\n\n        /**\n         * Handle key down / press on drops.\n         * @param {KeyboardEvent} e\n         */\n        handleKeyPress: function(e) {\n            if (questionManager.isKeyboardNavigation) {\n                return;\n            }\n            questionManager.isKeyboardNavigation = true;\n            var question = questionManager.getQuestionForEvent(e);\n            if (question) {\n                question.handleKeyPress(e);\n            }\n        },\n\n        /**\n         * Given an event, work out which question it affects.\n         *\n         * @param {Event} e the event.\n         * @returns {DragDropToTextQuestion|undefined} The question, or undefined.\n         */\n        getQuestionForEvent: function(e) {\n            var containerId = $(e.currentTarget).closest('.que.ddwtos').attr('id');\n            return questionManager.questions[containerId];\n        },\n\n        /**\n         * Handle when drag moved.\n         *\n         * @param {Event} e the event.\n         * @param {jQuery} drag the drag\n         * @param {jQuery} target the target\n         * @param {DragDropToTextQuestion} thisQ the question.\n         */\n        handleDragMoved: function(e, drag, target, thisQ) {\n            drag.removeClass('beingdragged');\n            drag.css('top', '').css('left', '');\n            target.after(drag);\n            target.removeClass('active');\n            if (typeof drag.data('unplaced') !== 'undefined' && drag.data('unplaced') === true) {\n                drag.removeClass('placed').addClass('unplaced');\n                drag.removeAttr('tabindex');\n                drag.removeData('unplaced');\n                if (drag.hasClass('infinite') && thisQ.getInfiniteDragClones(drag, true).length > 1) {\n                    thisQ.getInfiniteDragClones(drag, true).first().remove();\n                }\n            }\n            if (typeof drag.data('isfocus') !== 'undefined' && drag.data('isfocus') === true) {\n                drag.focus();\n                drag.removeData('isfocus');\n            }\n            if (typeof target.data('isfocus') !== 'undefined' && target.data('isfocus') === true) {\n                target.removeData('isfocus');\n            }\n            if (questionManager.isKeyboardNavigation) {\n                questionManager.isKeyboardNavigation = false;\n            }\n        }\n    };\n\n    /**\n     * @alias module:qtype_ddwtos/ddwtos\n     */\n    return {\n        /**\n         * Initialise one drag-drop into text question.\n         *\n         * @param {String} containerId id of the outer div for this question.\n         * @param {boolean} readOnly whether the question is being displayed read-only.\n         */\n        init: questionManager.init\n    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\ No newline at end of file
diff --git a/question/type/multichoice/amd/build/answers.min.js b/question/type/multichoice/amd/build/answers.min.js
index 5f519e3f8e4..00ad6c53771 100644
--- a/question/type/multichoice/amd/build/answers.min.js
+++ b/question/type/multichoice/amd/build/answers.min.js
@@ -1,2 +1,12 @@
-define ("qtype_multichoice/answers",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b={ANSWER_LABEL:"[data-region=answer-label]"};a.default={init:function init(a){var c=document.getElementById(a),d=c.querySelectorAll(b.ANSWER_LABEL);d.forEach(function(a){a.addEventListener("click",function(a){var b=a.currentTarget.id,d=c.querySelector("[aria-labelledby=\"".concat(b,"\"]"));d.click()})})}};return a.default});
-//# sourceMappingURL=answers.min.js.map
+define("qtype_multichoice/answers",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Handles events related to the multiple-choice question type answers.
+   *
+   * @module     qtype_multichoice/answers
+   * @package    qtype_multichoice
+   * @copyright  2020 Jun Pataleta <jun@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var SELECTORS_ANSWER_LABEL="[data-region=answer-label]",_default={init:function(rootId){var root=document.getElementById(rootId);root.querySelectorAll(SELECTORS_ANSWER_LABEL).forEach((function(answerLabel){answerLabel.addEventListener("click",(function(e){var labelId=e.currentTarget.id;root.querySelector('[aria-labelledby="'.concat(labelId,'"]')).click()}))}))}};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=answers.min.js.map
\ No newline at end of file
diff --git a/question/type/multichoice/amd/build/answers.min.js.map b/question/type/multichoice/amd/build/answers.min.js.map
index f93028e78ba..27ebc971618 100644
--- a/question/type/multichoice/amd/build/answers.min.js.map
+++ b/question/type/multichoice/amd/build/answers.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/answers.js"],"names":["SELECTORS","ANSWER_LABEL","init","rootId","root","document","getElementById","answerLabels","querySelectorAll","forEach","answerLabel","addEventListener","e","labelId","currentTarget","id","linkedOption","querySelector","click"],"mappings":"8IA6BMA,CAAAA,CAAS,CAAG,CACdC,YAAY,CAAE,4BADA,C,WAyBH,CACXC,IAAI,CAjBK,QAAPA,CAAAA,IAAO,CAACC,CAAD,CAAY,IACfC,CAAAA,CAAI,CAAGC,QAAQ,CAACC,cAAT,CAAwBH,CAAxB,CADQ,CAIfI,CAAY,CAAGH,CAAI,CAACI,gBAAL,CAAsBR,CAAS,CAACC,YAAhC,CAJA,CAKrBM,CAAY,CAACE,OAAb,CAAqB,SAACC,CAAD,CAAiB,CAClCA,CAAW,CAACC,gBAAZ,CAA6B,OAA7B,CAAsC,SAACC,CAAD,CAAO,IACnCC,CAAAA,CAAO,CAAGD,CAAC,CAACE,aAAF,CAAgBC,EADS,CAGnCC,CAAY,CAAGZ,CAAI,CAACa,aAAL,8BAAwCJ,CAAxC,QAHoB,CAKzCG,CAAY,CAACE,KAAb,EACH,CAND,CAOH,CARD,CASH,CAEc,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handles events related to the multiple-choice question type answers.\n *\n * @module     qtype_multichoice/answers\n * @package    qtype_multichoice\n * @copyright  2020 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Selectors for this module.\n *\n * @type {{ANSWER_LABEL: string}}\n */\nconst SELECTORS = {\n    ANSWER_LABEL: '[data-region=answer-label]',\n};\n\n/**\n * Init method.\n *\n * @param {string} rootId The ID of the question container.\n */\nconst init = (rootId) => {\n    const root = document.getElementById(rootId);\n\n    // Add click event handlers for the divs containing the answer since these cannot be enclosed in a label element.\n    const answerLabels = root.querySelectorAll(SELECTORS.ANSWER_LABEL);\n    answerLabels.forEach((answerLabel) => {\n        answerLabel.addEventListener('click', (e) => {\n            const labelId = e.currentTarget.id;\n            // Fetch the answer this label is assigned to.\n            const linkedOption = root.querySelector(`[aria-labelledby=\"${labelId}\"]`);\n            // Trigger the click event.\n            linkedOption.click();\n        });\n    });\n};\n\nexport default {\n    init: init\n};\n"],"file":"answers.min.js"}
\ No newline at end of file
+{"version":3,"file":"answers.min.js","sources":["../src/answers.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Handles events related to the multiple-choice question type answers.\n *\n * @module     qtype_multichoice/answers\n * @package    qtype_multichoice\n * @copyright  2020 Jun Pataleta <jun@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Selectors for this module.\n *\n * @type {{ANSWER_LABEL: string}}\n */\nconst SELECTORS = {\n    ANSWER_LABEL: '[data-region=answer-label]',\n};\n\n/**\n * Init method.\n *\n * @param {string} rootId The ID of the question container.\n */\nconst init = (rootId) => {\n    const root = document.getElementById(rootId);\n\n    // Add click event handlers for the divs containing the answer since these cannot be enclosed in a label element.\n    const answerLabels = root.querySelectorAll(SELECTORS.ANSWER_LABEL);\n    answerLabels.forEach((answerLabel) => {\n        answerLabel.addEventListener('click', (e) => {\n            const labelId = e.currentTarget.id;\n            // Fetch the answer this label is assigned to.\n            const linkedOption = root.querySelector(`[aria-labelledby=\"${labelId}\"]`);\n            // Trigger the click event.\n            linkedOption.click();\n        });\n    });\n};\n\nexport default {\n    init: init\n};\n"],"names":["SELECTORS","init","rootId","root","document","getElementById","querySelectorAll","forEach","answerLabel","addEventListener","e","labelId","currentTarget","id","querySelector","click"],"mappings":";;;;;;;;;IA6BMA,uBACY,sCAwBH,CACXC,KAjBS,SAACC,YACJC,KAAOC,SAASC,eAAeH,QAGhBC,KAAKG,iBAAiBN,wBAC9BO,SAAQ,SAACC,aAClBA,YAAYC,iBAAiB,SAAS,SAACC,OAC7BC,QAAUD,EAAEE,cAAcC,GAEXV,KAAKW,0CAAmCH,eAEhDI"}
\ No newline at end of file
diff --git a/question/type/multichoice/amd/build/clearchoice.min.js b/question/type/multichoice/amd/build/clearchoice.min.js
index 627d017d736..99a2871a94e 100644
--- a/question/type/multichoice/amd/build/clearchoice.min.js
+++ b/question/type/multichoice/amd/build/clearchoice.min.js
@@ -1,2 +1,11 @@
-define ("qtype_multichoice/clearchoice",["jquery","core/custom_interaction_events"],function(a,b){var c={CHOICE_ELEMENT:".answer input",LINK:"a",RADIO:"input[type=\"radio\"]"},d=function(a){a.find(c.RADIO).prop("disabled",!1).prop("checked",!0)},e=function(a,b){return a.find("div[id=\""+b+"\"]")},f=function(a){a.addClass("sr-only");a.attr("aria-hidden",!0);a.find(c.LINK).attr("tabindex",-1)},g=function(a){a.removeClass("sr-only");a.removeAttr("aria-hidden");a.find(c.LINK).attr("tabindex",0);a.find(c.RADIO).prop("disabled",!0)},h=function(a,h){var i=e(a,h);i.on(b.events.activate,c.LINK,function(a,b){d(i);f(i);b.originalEvent.preventDefault()});a.on("change",c.CHOICE_ELEMENT,function(){g(i)});i.find(c.RADIO).focus(function(){var b=a.find(c.CHOICE_ELEMENT).first();b.focus()})};return{init:function init(b,c){b=a("#"+b);h(b,c)}}});
-//# sourceMappingURL=clearchoice.min.js.map
+/**
+ * Manages 'Clear my choice' functionality actions.
+ *
+ * @module     qtype_multichoice/clearchoice
+ * @copyright  2019 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.7
+ */
+define("qtype_multichoice/clearchoice",["jquery","core/custom_interaction_events"],(function($,CustomEvents){var SELECTORS_CHOICE_ELEMENT=".answer input",SELECTORS_LINK="a",SELECTORS_RADIO='input[type="radio"]',registerEventListeners=function(root,fieldPrefix){var clearChoiceContainer=function(root,fieldPrefix){return root.find('div[id="'+fieldPrefix+'"]')}(root,fieldPrefix);clearChoiceContainer.on(CustomEvents.events.activate,SELECTORS_LINK,(function(e,data){!function(clearChoiceContainer){clearChoiceContainer.find(SELECTORS_RADIO).prop("disabled",!1).prop("checked",!0)}(clearChoiceContainer),function(clearChoiceContainer){clearChoiceContainer.addClass("sr-only"),clearChoiceContainer.attr("aria-hidden",!0),clearChoiceContainer.find(SELECTORS_LINK).attr("tabindex",-1)}(clearChoiceContainer),data.originalEvent.preventDefault()})),root.on("change",SELECTORS_CHOICE_ELEMENT,(function(){!function(clearChoiceContainer){clearChoiceContainer.removeClass("sr-only"),clearChoiceContainer.removeAttr("aria-hidden"),clearChoiceContainer.find(SELECTORS_LINK).attr("tabindex",0),clearChoiceContainer.find(SELECTORS_RADIO).prop("disabled",!0)}(clearChoiceContainer)})),clearChoiceContainer.find(SELECTORS_RADIO).focus((function(){root.find(SELECTORS_CHOICE_ELEMENT).first().focus()}))};return{init:function(root,fieldPrefix){root=$("#"+root),registerEventListeners(root,fieldPrefix)}}}));
+
+//# sourceMappingURL=clearchoice.min.js.map
\ No newline at end of file
diff --git a/question/type/multichoice/amd/build/clearchoice.min.js.map b/question/type/multichoice/amd/build/clearchoice.min.js.map
index 28de62b8c30..4d24add6f3a 100644
--- a/question/type/multichoice/amd/build/clearchoice.min.js.map
+++ b/question/type/multichoice/amd/build/clearchoice.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/clearchoice.js"],"names":["define","$","CustomEvents","SELECTORS","CHOICE_ELEMENT","LINK","RADIO","checkClearChoiceRadio","clearChoiceContainer","find","prop","getClearChoiceElement","root","fieldPrefix","hideClearChoiceOption","addClass","attr","showClearChoiceOption","removeClass","removeAttr","registerEventListeners","on","events","activate","e","data","originalEvent","preventDefault","focus","firstChoice","first","init"],"mappings":"AAuBAA,OAAM,iCAAC,CAAC,QAAD,CAAW,gCAAX,CAAD,CAA+C,SAASC,CAAT,CAAYC,CAAZ,CAA0B,IAEvEC,CAAAA,CAAS,CAAG,CACZC,cAAc,CAAE,eADJ,CAEZC,IAAI,CAAE,GAFM,CAGZC,KAAK,CAAE,uBAHK,CAF2D,CAavEC,CAAqB,CAAG,SAASC,CAAT,CAA+B,CACvDA,CAAoB,CAACC,IAArB,CAA0BN,CAAS,CAACG,KAApC,EAA2CI,IAA3C,CAAgD,UAAhD,KAAmEA,IAAnE,CAAwE,SAAxE,IACH,CAf0E,CAwBvEC,CAAqB,CAAG,SAASC,CAAT,CAAeC,CAAf,CAA4B,CACpD,MAAOD,CAAAA,CAAI,CAACH,IAAL,CAAU,YAAaI,CAAb,CAA2B,KAArC,CACV,CA1B0E,CAiCvEC,CAAqB,CAAG,SAASN,CAAT,CAA+B,CAGvDA,CAAoB,CAACO,QAArB,CAA8B,SAA9B,EACAP,CAAoB,CAACQ,IAArB,CAA0B,aAA1B,KACAR,CAAoB,CAACC,IAArB,CAA0BN,CAAS,CAACE,IAApC,EAA0CW,IAA1C,CAA+C,UAA/C,CAA2D,CAAC,CAA5D,CACH,CAvC0E,CA8CvEC,CAAqB,CAAG,SAAST,CAAT,CAA+B,CACvDA,CAAoB,CAACU,WAArB,CAAiC,SAAjC,EACAV,CAAoB,CAACW,UAArB,CAAgC,aAAhC,EACAX,CAAoB,CAACC,IAArB,CAA0BN,CAAS,CAACE,IAApC,EAA0CW,IAA1C,CAA+C,UAA/C,CAA2D,CAA3D,EACAR,CAAoB,CAACC,IAArB,CAA0BN,CAAS,CAACG,KAApC,EAA2CI,IAA3C,CAAgD,UAAhD,IACH,CAnD0E,CA2DvEU,CAAsB,CAAG,SAASR,CAAT,CAAeC,CAAf,CAA4B,CACrD,GAAIL,CAAAA,CAAoB,CAAGG,CAAqB,CAACC,CAAD,CAAOC,CAAP,CAAhD,CAEAL,CAAoB,CAACa,EAArB,CAAwBnB,CAAY,CAACoB,MAAb,CAAoBC,QAA5C,CAAsDpB,CAAS,CAACE,IAAhE,CAAsE,SAASmB,CAAT,CAAYC,CAAZ,CAAkB,CAGhFlB,CAAqB,CAACC,CAAD,CAArB,CAEAM,CAAqB,CAACN,CAAD,CAArB,CAEAiB,CAAI,CAACC,aAAL,CAAmBC,cAAnB,EACP,CARD,EAUAf,CAAI,CAACS,EAAL,CAAQ,QAAR,CAAkBlB,CAAS,CAACC,cAA5B,CAA4C,UAAW,CAEnDa,CAAqB,CAACT,CAAD,CACxB,CAHD,EAOAA,CAAoB,CAACC,IAArB,CAA0BN,CAAS,CAACG,KAApC,EAA2CsB,KAA3C,CAAiD,UAAW,CACxD,GAAIC,CAAAA,CAAW,CAAGjB,CAAI,CAACH,IAAL,CAAUN,CAAS,CAACC,cAApB,EAAoC0B,KAApC,EAAlB,CACAD,CAAW,CAACD,KAAZ,EACH,CAHD,CAIH,CAnF0E,CAgG3E,MAAO,CACHG,IAAI,CANG,QAAPA,CAAAA,IAAO,CAASnB,CAAT,CAAeC,CAAf,CAA4B,CACnCD,CAAI,CAAGX,CAAC,CAAC,IAAMW,CAAP,CAAR,CACAQ,CAAsB,CAACR,CAAD,CAAOC,CAAP,CACzB,CAEM,CAGV,CAnGK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manages 'Clear my choice' functionality actions.\n *\n * @module     qtype_multichoice/clearchoice\n * @copyright  2019 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.7\n */\ndefine(['jquery', 'core/custom_interaction_events'], function($, CustomEvents) {\n\n    var SELECTORS = {\n        CHOICE_ELEMENT: '.answer input',\n        LINK: 'a',\n        RADIO: 'input[type=\"radio\"]'\n    };\n\n    /**\n     * Mark clear choice radio as enabled and checked.\n     *\n     * @param {Object} clearChoiceContainer The clear choice option container.\n     */\n    var checkClearChoiceRadio = function(clearChoiceContainer) {\n        clearChoiceContainer.find(SELECTORS.RADIO).prop('disabled', false).prop('checked', true);\n    };\n\n    /**\n     * Get the clear choice div container.\n     *\n     * @param {Object} root The question root element.\n     * @param {string} fieldPrefix The question outer div prefix.\n     * @returns {Object} The clear choice div container.\n     */\n    var getClearChoiceElement = function(root, fieldPrefix) {\n        return root.find('div[id=\"' + fieldPrefix + '\"]');\n    };\n\n    /**\n     * Hide clear choice option.\n     *\n     * @param {Object} clearChoiceContainer The clear choice option container.\n     */\n    var hideClearChoiceOption = function(clearChoiceContainer) {\n        // We are using .sr-only and aria-hidden together so while the element is hidden\n        // from both the monitor and the screen-reader, it is still tabbable.\n        clearChoiceContainer.addClass('sr-only');\n        clearChoiceContainer.attr('aria-hidden', true);\n        clearChoiceContainer.find(SELECTORS.LINK).attr('tabindex', -1);\n    };\n\n    /**\n     * Shows clear choice option.\n     *\n     * @param {Object} clearChoiceContainer The clear choice option container.\n     */\n    var showClearChoiceOption = function(clearChoiceContainer) {\n        clearChoiceContainer.removeClass('sr-only');\n        clearChoiceContainer.removeAttr('aria-hidden');\n        clearChoiceContainer.find(SELECTORS.LINK).attr('tabindex', 0);\n        clearChoiceContainer.find(SELECTORS.RADIO).prop('disabled', true);\n    };\n\n    /**\n     * Register event listeners for the clear choice module.\n     *\n     * @param {Object} root The question outer div prefix.\n     * @param {string} fieldPrefix The \"Clear choice\" div prefix.\n     */\n    var registerEventListeners = function(root, fieldPrefix) {\n        var clearChoiceContainer = getClearChoiceElement(root, fieldPrefix);\n\n        clearChoiceContainer.on(CustomEvents.events.activate, SELECTORS.LINK, function(e, data) {\n\n                // Mark the clear choice radio element as checked.\n                checkClearChoiceRadio(clearChoiceContainer);\n                // Now that the hidden radio has been checked, hide the clear choice option.\n                hideClearChoiceOption(clearChoiceContainer);\n\n                data.originalEvent.preventDefault();\n        });\n\n        root.on('change', SELECTORS.CHOICE_ELEMENT, function() {\n            // If the event has been triggered by any other choice, show the clear choice option.\n            showClearChoiceOption(clearChoiceContainer);\n        });\n\n        // If the clear choice radio receives focus from using the tab key, return the focus\n        // to the first answer option.\n        clearChoiceContainer.find(SELECTORS.RADIO).focus(function() {\n            var firstChoice = root.find(SELECTORS.CHOICE_ELEMENT).first();\n            firstChoice.focus();\n        });\n    };\n\n    /**\n     * Initialise clear choice module.\n\n     * @param {string} root The question outer div prefix.\n     * @param {string} fieldPrefix The \"Clear choice\" div prefix.\n     */\n    var init = function(root, fieldPrefix) {\n        root = $('#' + root);\n        registerEventListeners(root, fieldPrefix);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"file":"clearchoice.min.js"}
\ No newline at end of file
+{"version":3,"file":"clearchoice.min.js","sources":["../src/clearchoice.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manages 'Clear my choice' functionality actions.\n *\n * @module     qtype_multichoice/clearchoice\n * @copyright  2019 Simey Lameze <simey@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.7\n */\ndefine(['jquery', 'core/custom_interaction_events'], function($, CustomEvents) {\n\n    var SELECTORS = {\n        CHOICE_ELEMENT: '.answer input',\n        LINK: 'a',\n        RADIO: 'input[type=\"radio\"]'\n    };\n\n    /**\n     * Mark clear choice radio as enabled and checked.\n     *\n     * @param {Object} clearChoiceContainer The clear choice option container.\n     */\n    var checkClearChoiceRadio = function(clearChoiceContainer) {\n        clearChoiceContainer.find(SELECTORS.RADIO).prop('disabled', false).prop('checked', true);\n    };\n\n    /**\n     * Get the clear choice div container.\n     *\n     * @param {Object} root The question root element.\n     * @param {string} fieldPrefix The question outer div prefix.\n     * @returns {Object} The clear choice div container.\n     */\n    var getClearChoiceElement = function(root, fieldPrefix) {\n        return root.find('div[id=\"' + fieldPrefix + '\"]');\n    };\n\n    /**\n     * Hide clear choice option.\n     *\n     * @param {Object} clearChoiceContainer The clear choice option container.\n     */\n    var hideClearChoiceOption = function(clearChoiceContainer) {\n        // We are using .sr-only and aria-hidden together so while the element is hidden\n        // from both the monitor and the screen-reader, it is still tabbable.\n        clearChoiceContainer.addClass('sr-only');\n        clearChoiceContainer.attr('aria-hidden', true);\n        clearChoiceContainer.find(SELECTORS.LINK).attr('tabindex', -1);\n    };\n\n    /**\n     * Shows clear choice option.\n     *\n     * @param {Object} clearChoiceContainer The clear choice option container.\n     */\n    var showClearChoiceOption = function(clearChoiceContainer) {\n        clearChoiceContainer.removeClass('sr-only');\n        clearChoiceContainer.removeAttr('aria-hidden');\n        clearChoiceContainer.find(SELECTORS.LINK).attr('tabindex', 0);\n        clearChoiceContainer.find(SELECTORS.RADIO).prop('disabled', true);\n    };\n\n    /**\n     * Register event listeners for the clear choice module.\n     *\n     * @param {Object} root The question outer div prefix.\n     * @param {string} fieldPrefix The \"Clear choice\" div prefix.\n     */\n    var registerEventListeners = function(root, fieldPrefix) {\n        var clearChoiceContainer = getClearChoiceElement(root, fieldPrefix);\n\n        clearChoiceContainer.on(CustomEvents.events.activate, SELECTORS.LINK, function(e, data) {\n\n                // Mark the clear choice radio element as checked.\n                checkClearChoiceRadio(clearChoiceContainer);\n                // Now that the hidden radio has been checked, hide the clear choice option.\n                hideClearChoiceOption(clearChoiceContainer);\n\n                data.originalEvent.preventDefault();\n        });\n\n        root.on('change', SELECTORS.CHOICE_ELEMENT, function() {\n            // If the event has been triggered by any other choice, show the clear choice option.\n            showClearChoiceOption(clearChoiceContainer);\n        });\n\n        // If the clear choice radio receives focus from using the tab key, return the focus\n        // to the first answer option.\n        clearChoiceContainer.find(SELECTORS.RADIO).focus(function() {\n            var firstChoice = root.find(SELECTORS.CHOICE_ELEMENT).first();\n            firstChoice.focus();\n        });\n    };\n\n    /**\n     * Initialise clear choice module.\n\n     * @param {string} root The question outer div prefix.\n     * @param {string} fieldPrefix The \"Clear choice\" div prefix.\n     */\n    var init = function(root, fieldPrefix) {\n        root = $('#' + root);\n        registerEventListeners(root, fieldPrefix);\n    };\n\n    return {\n        init: init\n    };\n});\n"],"names":["define","$","CustomEvents","SELECTORS","registerEventListeners","root","fieldPrefix","clearChoiceContainer","find","getClearChoiceElement","on","events","activate","e","data","prop","checkClearChoiceRadio","addClass","attr","hideClearChoiceOption","originalEvent","preventDefault","removeClass","removeAttr","showClearChoiceOption","focus","first","init"],"mappings":";;;;;;;;AAuBAA,uCAAO,CAAC,SAAU,mCAAmC,SAASC,EAAGC,kBAEzDC,yBACgB,gBADhBA,eAEM,IAFNA,gBAGO,sBAsDPC,uBAAyB,SAASC,KAAMC,iBACpCC,qBApCoB,SAASF,KAAMC,oBAChCD,KAAKG,KAAK,WAAaF,YAAc,MAmCjBG,CAAsBJ,KAAMC,aAEvDC,qBAAqBG,GAAGR,aAAaS,OAAOC,SAAUT,gBAAgB,SAASU,EAAGC,OAjD1D,SAASP,sBACjCA,qBAAqBC,KAAKL,iBAAiBY,KAAK,YAAY,GAAOA,KAAK,WAAW,GAmD3EC,CAAsBT,sBAhCN,SAASA,sBAGjCA,qBAAqBU,SAAS,WAC9BV,qBAAqBW,KAAK,eAAe,GACzCX,qBAAqBC,KAAKL,gBAAgBe,KAAK,YAAa,GA6BpDC,CAAsBZ,sBAEtBO,KAAKM,cAAcC,oBAG3BhB,KAAKK,GAAG,SAAUP,0BAA0B,YA1BpB,SAASI,sBACjCA,qBAAqBe,YAAY,WACjCf,qBAAqBgB,WAAW,eAChChB,qBAAqBC,KAAKL,gBAAgBe,KAAK,WAAY,GAC3DX,qBAAqBC,KAAKL,iBAAiBY,KAAK,YAAY,GAwBxDS,CAAsBjB,yBAK1BA,qBAAqBC,KAAKL,iBAAiBsB,OAAM,WAC3BpB,KAAKG,KAAKL,0BAA0BuB,QAC1CD,kBAeb,CACHE,KANO,SAAStB,KAAMC,aACtBD,KAAOJ,EAAE,IAAMI,MACfD,uBAAuBC,KAAMC"}
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diff --git a/report/competency/amd/build/grading_popup.min.js b/report/competency/amd/build/grading_popup.min.js
index 6a20c2de309..7183208c5e0 100644
--- a/report/competency/amd/build/grading_popup.min.js
+++ b/report/competency/amd/build/grading_popup.min.js
@@ -1,2 +1,10 @@
-define ("report_competency/grading_popup",["jquery","core/notification","core/str","core/ajax","core/log","core/templates","tool_lp/dialogue"],function(a,b,c,d,f,g,h){var i=function(b,c){this._regionSelector=b;this._userCompetencySelector=c;a(this._regionSelector).on("click",this._userCompetencySelector,this._handleClick.bind(this))};i.prototype._handleClick=function(c){var e=a(c.target).closest(this._userCompetencySelector),g=a(e).data("competencyid"),h=a(e).data("courseid"),i=a(e).data("userid");f.debug("Clicked on cell: competencyId="+g+", courseId="+h+", userId="+i);var j=d.call([{methodname:"tool_lp_data_for_user_competency_summary_in_course",args:{userid:i,competencyid:g,courseid:h}},{methodname:"core_competency_user_competency_viewed_in_course",args:{userid:i,competencyid:g,courseid:h}}]);a.when(j[0],j[1]).then(this._contextLoaded.bind(this)).catch(b.exception)};i.prototype._contextLoaded=function(b){b.displayuser=!0;M.util.js_pending("report_competency/grading_popup:_contextLoaded");return a.when(c.get_string("usercompetencysummary","report_competency"),g.render("tool_lp/user_competency_summary_in_course",b)).then(function(a,b){return new h(a,b[0],function(){g.runTemplateJS(b[1]);M.util.js_complete("report_competency/grading_popup:_contextLoaded")},this._refresh.bind(this),!0)}.bind(this))};i.prototype._refresh=function(){var c=a(this._regionSelector),e=c.data("courseid"),f=c.data("moduleid"),g=c.data("userid");if(""===f){f=0}return d.call([{methodname:"report_competency_data_for_report",args:{courseid:e,userid:g,moduleid:f},done:this._pageContextLoaded.bind(this),fail:b.exception}])};i.prototype._pageContextLoaded=function(a){g.render("report_competency/report",a).then(function(a,b){g.replaceNode(this._regionSelector,a,b)}.bind(this)).catch(b.exception)};i.prototype._regionSelector=null;i.prototype._userCompetencySelector=null;return i});
-//# sourceMappingURL=grading_popup.min.js.map
+/**
+ * Module to enable inline editing of a comptency grade.
+ *
+ * @package    report_competency
+ * @copyright  2015 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("report_competency/grading_popup",["jquery","core/notification","core/str","core/ajax","core/log","core/templates","tool_lp/dialogue"],(function($,notification,str,ajax,log,templates,Dialogue){var GradingPopup=function(regionSelector,userCompetencySelector){this._regionSelector=regionSelector,this._userCompetencySelector=userCompetencySelector,$(this._regionSelector).on("click",this._userCompetencySelector,this._handleClick.bind(this))};return GradingPopup.prototype._handleClick=function(e){var cell=$(e.target).closest(this._userCompetencySelector),competencyId=$(cell).data("competencyid"),courseId=$(cell).data("courseid"),userId=$(cell).data("userid");log.debug("Clicked on cell: competencyId="+competencyId+", courseId="+courseId+", userId="+userId);var requests=ajax.call([{methodname:"tool_lp_data_for_user_competency_summary_in_course",args:{userid:userId,competencyid:competencyId,courseid:courseId}},{methodname:"core_competency_user_competency_viewed_in_course",args:{userid:userId,competencyid:competencyId,courseid:courseId}}]);$.when(requests[0],requests[1]).then(this._contextLoaded.bind(this)).catch(notification.exception)},GradingPopup.prototype._contextLoaded=function(context){return context.displayuser=!0,M.util.js_pending("report_competency/grading_popup:_contextLoaded"),$.when(str.get_string("usercompetencysummary","report_competency"),templates.render("tool_lp/user_competency_summary_in_course",context)).then(function(title,templateData){return new Dialogue(title,templateData[0],(function(){templates.runTemplateJS(templateData[1]),M.util.js_complete("report_competency/grading_popup:_contextLoaded")}),this._refresh.bind(this),!0)}.bind(this))},GradingPopup.prototype._refresh=function(){var region=$(this._regionSelector),courseId=region.data("courseid"),moduleId=region.data("moduleid"),userId=region.data("userid");return""===moduleId&&(moduleId=0),ajax.call([{methodname:"report_competency_data_for_report",args:{courseid:courseId,userid:userId,moduleid:moduleId},done:this._pageContextLoaded.bind(this),fail:notification.exception}])},GradingPopup.prototype._pageContextLoaded=function(context){templates.render("report_competency/report",context).then(function(html,js){templates.replaceNode(this._regionSelector,html,js)}.bind(this)).catch(notification.exception)},GradingPopup.prototype._regionSelector=null,GradingPopup.prototype._userCompetencySelector=null,GradingPopup}));
+
+//# sourceMappingURL=grading_popup.min.js.map
\ No newline at end of file
diff --git a/report/competency/amd/build/grading_popup.min.js.map b/report/competency/amd/build/grading_popup.min.js.map
index c7f243c3b03..60fe9f0787d 100644
--- a/report/competency/amd/build/grading_popup.min.js.map
+++ b/report/competency/amd/build/grading_popup.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/grading_popup.js"],"names":["define","$","notification","str","ajax","log","templates","Dialogue","GradingPopup","regionSelector","userCompetencySelector","_regionSelector","_userCompetencySelector","on","_handleClick","bind","prototype","e","cell","target","closest","competencyId","data","courseId","userId","debug","requests","call","methodname","args","userid","competencyid","courseid","when","then","_contextLoaded","catch","exception","context","displayuser","M","util","js_pending","get_string","render","title","templateData","runTemplateJS","js_complete","_refresh","region","moduleId","moduleid","done","_pageContextLoaded","fail","html","js","replaceNode"],"mappings":"AAuBAA,OAAM,mCAAC,CAAC,QAAD,CAAW,mBAAX,CAAgC,UAAhC,CAA4C,WAA5C,CAAyD,UAAzD,CAAqE,gBAArE,CAAuF,kBAAvF,CAAD,CACC,SAASC,CAAT,CAAYC,CAAZ,CAA0BC,CAA1B,CAA+BC,CAA/B,CAAqCC,CAArC,CAA0CC,CAA1C,CAAqDC,CAArD,CAA+D,CAQlE,GAAIC,CAAAA,CAAY,CAAG,SAASC,CAAT,CAAyBC,CAAzB,CAAiD,CAChE,KAAKC,eAAL,CAAuBF,CAAvB,CACA,KAAKG,uBAAL,CAA+BF,CAA/B,CAEAT,CAAC,CAAC,KAAKU,eAAN,CAAD,CAAwBE,EAAxB,CAA2B,OAA3B,CAAoC,KAAKD,uBAAzC,CAAkE,KAAKE,YAAL,CAAkBC,IAAlB,CAAuB,IAAvB,CAAlE,CACH,CALD,CAaAP,CAAY,CAACQ,SAAb,CAAuBF,YAAvB,CAAsC,SAASG,CAAT,CAAY,IAC1CC,CAAAA,CAAI,CAAGjB,CAAC,CAACgB,CAAC,CAACE,MAAH,CAAD,CAAYC,OAAZ,CAAoB,KAAKR,uBAAzB,CADmC,CAE1CS,CAAY,CAAGpB,CAAC,CAACiB,CAAD,CAAD,CAAQI,IAAR,CAAa,cAAb,CAF2B,CAG1CC,CAAQ,CAAGtB,CAAC,CAACiB,CAAD,CAAD,CAAQI,IAAR,CAAa,UAAb,CAH+B,CAI1CE,CAAM,CAAGvB,CAAC,CAACiB,CAAD,CAAD,CAAQI,IAAR,CAAa,QAAb,CAJiC,CAM9CjB,CAAG,CAACoB,KAAJ,CAAU,iCAAmCJ,CAAnC,CAAkD,aAAlD,CAAkEE,CAAlE,CAA6E,WAA7E,CAA2FC,CAArG,EAEA,GAAIE,CAAAA,CAAQ,CAAGtB,CAAI,CAACuB,IAAL,CAAU,CAAC,CACtBC,UAAU,CAAE,oDADU,CAEtBC,IAAI,CAAE,CAACC,MAAM,CAAEN,CAAT,CAAiBO,YAAY,CAAEV,CAA/B,CAA6CW,QAAQ,CAAET,CAAvD,CAFgB,CAAD,CAGtB,CACCK,UAAU,CAAE,kDADb,CAECC,IAAI,CAAE,CAACC,MAAM,CAAEN,CAAT,CAAiBO,YAAY,CAAEV,CAA/B,CAA6CW,QAAQ,CAAET,CAAvD,CAFP,CAHsB,CAAV,CAAf,CAQAtB,CAAC,CAACgC,IAAF,CAAOP,CAAQ,CAAC,CAAD,CAAf,CAAoBA,CAAQ,CAAC,CAAD,CAA5B,EACCQ,IADD,CACM,KAAKC,cAAL,CAAoBpB,IAApB,CAAyB,IAAzB,CADN,EAECqB,KAFD,CAEOlC,CAAY,CAACmC,SAFpB,CAGH,CAnBD,CA4BA7B,CAAY,CAACQ,SAAb,CAAuBmB,cAAvB,CAAwC,SAASG,CAAT,CAAkB,CAEtDA,CAAO,CAACC,WAAR,IAEAC,CAAC,CAACC,IAAF,CAAOC,UAAP,CAAkB,gDAAlB,EAEA,MAAOzC,CAAAA,CAAC,CAACgC,IAAF,CACH9B,CAAG,CAACwC,UAAJ,CAAe,uBAAf,CAAwC,mBAAxC,CADG,CAEHrC,CAAS,CAACsC,MAAV,CAAiB,2CAAjB,CAA8DN,CAA9D,CAFG,EAINJ,IAJM,CAID,SAASW,CAAT,CAAgBC,CAAhB,CAA8B,CAChC,MAAO,IAAIvC,CAAAA,CAAJ,CACHsC,CADG,CAEHC,CAAY,CAAC,CAAD,CAFT,CAGH,UAAW,CACPxC,CAAS,CAACyC,aAAV,CAAwBD,CAAY,CAAC,CAAD,CAApC,EACAN,CAAC,CAACC,IAAF,CAAOO,WAAP,CAAmB,gDAAnB,CACH,CANE,CAOH,KAAKC,QAAL,CAAclC,IAAd,CAAmB,IAAnB,CAPG,IAUV,CAXK,CAWJA,IAXI,CAWC,IAXD,CAJC,CAgBV,CAtBD,CA8BAP,CAAY,CAACQ,SAAb,CAAuBiC,QAAvB,CAAkC,UAAW,IACrCC,CAAAA,CAAM,CAAGjD,CAAC,CAAC,KAAKU,eAAN,CAD2B,CAErCY,CAAQ,CAAG2B,CAAM,CAAC5B,IAAP,CAAY,UAAZ,CAF0B,CAGrC6B,CAAQ,CAAGD,CAAM,CAAC5B,IAAP,CAAY,UAAZ,CAH0B,CAIrCE,CAAM,CAAG0B,CAAM,CAAC5B,IAAP,CAAY,QAAZ,CAJ4B,CAOzC,GAAiB,EAAb,GAAA6B,CAAJ,CAAqB,CACjBA,CAAQ,CAAG,CACd,CAED,MAAO/C,CAAAA,CAAI,CAACuB,IAAL,CAAU,CAAC,CACdC,UAAU,CAAE,mCADE,CAEdC,IAAI,CAAE,CAACG,QAAQ,CAAET,CAAX,CAAqBO,MAAM,CAAEN,CAA7B,CAAqC4B,QAAQ,CAAED,CAA/C,CAFQ,CAGdE,IAAI,CAAE,KAAKC,kBAAL,CAAwBvC,IAAxB,CAA6B,IAA7B,CAHQ,CAIdwC,IAAI,CAAErD,CAAY,CAACmC,SAJL,CAAD,CAAV,CAMV,CAjBD,CAyBA7B,CAAY,CAACQ,SAAb,CAAuBsC,kBAAvB,CAA4C,SAAShB,CAAT,CAAkB,CAC1DhC,CAAS,CAACsC,MAAV,CAAiB,0BAAjB,CAA6CN,CAA7C,EACCJ,IADD,CACM,SAASsB,CAAT,CAAeC,CAAf,CAAmB,CACrBnD,CAAS,CAACoD,WAAV,CAAsB,KAAK/C,eAA3B,CAA4C6C,CAA5C,CAAkDC,CAAlD,CAGH,CAJK,CAIJ1C,IAJI,CAIC,IAJD,CADN,EAMCqB,KAND,CAMOlC,CAAY,CAACmC,SANpB,CAOH,CARD,CAWA7B,CAAY,CAACQ,SAAb,CAAuBL,eAAvB,CAAyC,IAAzC,CAEAH,CAAY,CAACQ,SAAb,CAAuBJ,uBAAvB,CAAiD,IAAjD,CAEA,MAA4DJ,CAAAA,CAE/D,CA1HK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to enable inline editing of a comptency grade.\n *\n * @package    report_competency\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/notification', 'core/str', 'core/ajax', 'core/log', 'core/templates', 'tool_lp/dialogue'],\n       function($, notification, str, ajax, log, templates, Dialogue) {\n\n    /**\n     * GradingPopup\n     *\n     * @param {String} regionSelector The regionSelector\n     * @param {String} userCompetencySelector The userCompetencySelector\n     */\n    var GradingPopup = function(regionSelector, userCompetencySelector) {\n        this._regionSelector = regionSelector;\n        this._userCompetencySelector = userCompetencySelector;\n\n        $(this._regionSelector).on('click', this._userCompetencySelector, this._handleClick.bind(this));\n    };\n\n    /**\n     * Get the data from the clicked cell and open the popup.\n     *\n     * @method _handleClick\n     * @param {Event} e The event\n     */\n    GradingPopup.prototype._handleClick = function(e) {\n        var cell = $(e.target).closest(this._userCompetencySelector);\n        var competencyId = $(cell).data('competencyid');\n        var courseId = $(cell).data('courseid');\n        var userId = $(cell).data('userid');\n\n        log.debug('Clicked on cell: competencyId=' + competencyId + ', courseId=' + courseId + ', userId=' + userId);\n\n        var requests = ajax.call([{\n            methodname: 'tool_lp_data_for_user_competency_summary_in_course',\n            args: {userid: userId, competencyid: competencyId, courseid: courseId},\n        }, {\n            methodname: 'core_competency_user_competency_viewed_in_course',\n            args: {userid: userId, competencyid: competencyId, courseid: courseId},\n        }]);\n\n        $.when(requests[0], requests[1])\n        .then(this._contextLoaded.bind(this))\n        .catch(notification.exception);\n    };\n\n    /**\n     * We loaded the context, now render the template.\n     *\n     * @method _contextLoaded\n     * @param {Object} context\n     * @returns {Promise}\n     */\n    GradingPopup.prototype._contextLoaded = function(context) {\n        // We have to display user info in popup.\n        context.displayuser = true;\n\n        M.util.js_pending('report_competency/grading_popup:_contextLoaded');\n\n        return $.when(\n            str.get_string('usercompetencysummary', 'report_competency'),\n            templates.render('tool_lp/user_competency_summary_in_course', context)\n        )\n        .then(function(title, templateData) {\n            return new Dialogue(\n                title,\n                templateData[0],\n                function() {\n                    templates.runTemplateJS(templateData[1]);\n                    M.util.js_complete('report_competency/grading_popup:_contextLoaded');\n                },\n                this._refresh.bind(this),\n                true\n            );\n        }.bind(this));\n    };\n\n    /**\n     * Refresh the page.\n     *\n     * @method _refresh\n     * @returns {Promise}\n     */\n    GradingPopup.prototype._refresh = function() {\n        var region = $(this._regionSelector);\n        var courseId = region.data('courseid');\n        var moduleId = region.data('moduleid');\n        var userId = region.data('userid');\n\n        // The module id is expected to be an integer, so don't pass empty string.\n        if (moduleId === '') {\n            moduleId = 0;\n        }\n\n        return ajax.call([{\n            methodname: 'report_competency_data_for_report',\n            args: {courseid: courseId, userid: userId, moduleid: moduleId},\n            done: this._pageContextLoaded.bind(this),\n            fail: notification.exception\n        }]);\n    };\n\n    /**\n     * We loaded the context, now render the template.\n     *\n     * @method _pageContextLoaded\n     * @param {Object} context\n     */\n    GradingPopup.prototype._pageContextLoaded = function(context) {\n        templates.render('report_competency/report', context)\n        .then(function(html, js) {\n            templates.replaceNode(this._regionSelector, html, js);\n\n            return;\n        }.bind(this))\n        .catch(notification.exception);\n    };\n\n    /** @type {String} The selector for the region with the user competencies */\n    GradingPopup.prototype._regionSelector = null;\n    /** @type {String} The selector for the region with a single user competencies */\n    GradingPopup.prototype._userCompetencySelector = null;\n\n    return /** @alias module:report_competency/grading_popup */ GradingPopup;\n\n});\n"],"file":"grading_popup.min.js"}
\ No newline at end of file
+{"version":3,"file":"grading_popup.min.js","sources":["../src/grading_popup.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to enable inline editing of a comptency grade.\n *\n * @package    report_competency\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/notification', 'core/str', 'core/ajax', 'core/log', 'core/templates', 'tool_lp/dialogue'],\n       function($, notification, str, ajax, log, templates, Dialogue) {\n\n    /**\n     * GradingPopup\n     *\n     * @param {String} regionSelector The regionSelector\n     * @param {String} userCompetencySelector The userCompetencySelector\n     */\n    var GradingPopup = function(regionSelector, userCompetencySelector) {\n        this._regionSelector = regionSelector;\n        this._userCompetencySelector = userCompetencySelector;\n\n        $(this._regionSelector).on('click', this._userCompetencySelector, this._handleClick.bind(this));\n    };\n\n    /**\n     * Get the data from the clicked cell and open the popup.\n     *\n     * @method _handleClick\n     * @param {Event} e The event\n     */\n    GradingPopup.prototype._handleClick = function(e) {\n        var cell = $(e.target).closest(this._userCompetencySelector);\n        var competencyId = $(cell).data('competencyid');\n        var courseId = $(cell).data('courseid');\n        var userId = $(cell).data('userid');\n\n        log.debug('Clicked on cell: competencyId=' + competencyId + ', courseId=' + courseId + ', userId=' + userId);\n\n        var requests = ajax.call([{\n            methodname: 'tool_lp_data_for_user_competency_summary_in_course',\n            args: {userid: userId, competencyid: competencyId, courseid: courseId},\n        }, {\n            methodname: 'core_competency_user_competency_viewed_in_course',\n            args: {userid: userId, competencyid: competencyId, courseid: courseId},\n        }]);\n\n        $.when(requests[0], requests[1])\n        .then(this._contextLoaded.bind(this))\n        .catch(notification.exception);\n    };\n\n    /**\n     * We loaded the context, now render the template.\n     *\n     * @method _contextLoaded\n     * @param {Object} context\n     * @returns {Promise}\n     */\n    GradingPopup.prototype._contextLoaded = function(context) {\n        // We have to display user info in popup.\n        context.displayuser = true;\n\n        M.util.js_pending('report_competency/grading_popup:_contextLoaded');\n\n        return $.when(\n            str.get_string('usercompetencysummary', 'report_competency'),\n            templates.render('tool_lp/user_competency_summary_in_course', context)\n        )\n        .then(function(title, templateData) {\n            return new Dialogue(\n                title,\n                templateData[0],\n                function() {\n                    templates.runTemplateJS(templateData[1]);\n                    M.util.js_complete('report_competency/grading_popup:_contextLoaded');\n                },\n                this._refresh.bind(this),\n                true\n            );\n        }.bind(this));\n    };\n\n    /**\n     * Refresh the page.\n     *\n     * @method _refresh\n     * @returns {Promise}\n     */\n    GradingPopup.prototype._refresh = function() {\n        var region = $(this._regionSelector);\n        var courseId = region.data('courseid');\n        var moduleId = region.data('moduleid');\n        var userId = region.data('userid');\n\n        // The module id is expected to be an integer, so don't pass empty string.\n        if (moduleId === '') {\n            moduleId = 0;\n        }\n\n        return ajax.call([{\n            methodname: 'report_competency_data_for_report',\n            args: {courseid: courseId, userid: userId, moduleid: moduleId},\n            done: this._pageContextLoaded.bind(this),\n            fail: notification.exception\n        }]);\n    };\n\n    /**\n     * We loaded the context, now render the template.\n     *\n     * @method _pageContextLoaded\n     * @param {Object} context\n     */\n    GradingPopup.prototype._pageContextLoaded = function(context) {\n        templates.render('report_competency/report', context)\n        .then(function(html, js) {\n            templates.replaceNode(this._regionSelector, html, js);\n\n            return;\n        }.bind(this))\n        .catch(notification.exception);\n    };\n\n    /** @type {String} The selector for the region with the user competencies */\n    GradingPopup.prototype._regionSelector = null;\n    /** @type {String} The selector for the region with a single user competencies */\n    GradingPopup.prototype._userCompetencySelector = null;\n\n    return /** @alias module:report_competency/grading_popup */ GradingPopup;\n\n});\n"],"names":["define","$","notification","str","ajax","log","templates","Dialogue","GradingPopup","regionSelector","userCompetencySelector","_regionSelector","_userCompetencySelector","this","on","_handleClick","bind","prototype","e","cell","target","closest","competencyId","data","courseId","userId","debug","requests","call","methodname","args","userid","competencyid","courseid","when","then","_contextLoaded","catch","exception","context","displayuser","M","util","js_pending","get_string","render","title","templateData","runTemplateJS","js_complete","_refresh","region","moduleId","moduleid","done","_pageContextLoaded","fail","html","js","replaceNode"],"mappings":";;;;;;;AAuBAA,yCAAO,CAAC,SAAU,oBAAqB,WAAY,YAAa,WAAY,iBAAkB,qBACvF,SAASC,EAAGC,aAAcC,IAAKC,KAAMC,IAAKC,UAAWC,cAQpDC,aAAe,SAASC,eAAgBC,6BACnCC,gBAAkBF,oBAClBG,wBAA0BF,uBAE/BT,EAAEY,KAAKF,iBAAiBG,GAAG,QAASD,KAAKD,wBAAyBC,KAAKE,aAAaC,KAAKH,eAS7FL,aAAaS,UAAUF,aAAe,SAASG,OACvCC,KAAOlB,EAAEiB,EAAEE,QAAQC,QAAQR,KAAKD,yBAChCU,aAAerB,EAAEkB,MAAMI,KAAK,gBAC5BC,SAAWvB,EAAEkB,MAAMI,KAAK,YACxBE,OAASxB,EAAEkB,MAAMI,KAAK,UAE1BlB,IAAIqB,MAAM,iCAAmCJ,aAAe,cAAgBE,SAAW,YAAcC,YAEjGE,SAAWvB,KAAKwB,KAAK,CAAC,CACtBC,WAAY,qDACZC,KAAM,CAACC,OAAQN,OAAQO,aAAcV,aAAcW,SAAUT,WAC9D,CACCK,WAAY,mDACZC,KAAM,CAACC,OAAQN,OAAQO,aAAcV,aAAcW,SAAUT,aAGjEvB,EAAEiC,KAAKP,SAAS,GAAIA,SAAS,IAC5BQ,KAAKtB,KAAKuB,eAAepB,KAAKH,OAC9BwB,MAAMnC,aAAaoC,YAUxB9B,aAAaS,UAAUmB,eAAiB,SAASG,gBAE7CA,QAAQC,aAAc,EAEtBC,EAAEC,KAAKC,WAAW,kDAEX1C,EAAEiC,KACL/B,IAAIyC,WAAW,wBAAyB,qBACxCtC,UAAUuC,OAAO,4CAA6CN,UAEjEJ,KAAK,SAASW,MAAOC,qBACX,IAAIxC,SACPuC,MACAC,aAAa,IACb,WACIzC,UAAU0C,cAAcD,aAAa,IACrCN,EAAEC,KAAKO,YAAY,oDAEvBpC,KAAKqC,SAASlC,KAAKH,OACnB,IAENG,KAAKH,QASXL,aAAaS,UAAUiC,SAAW,eAC1BC,OAASlD,EAAEY,KAAKF,iBAChBa,SAAW2B,OAAO5B,KAAK,YACvB6B,SAAWD,OAAO5B,KAAK,YACvBE,OAAS0B,OAAO5B,KAAK,gBAGR,KAAb6B,WACAA,SAAW,GAGRhD,KAAKwB,KAAK,CAAC,CACdC,WAAY,oCACZC,KAAM,CAACG,SAAUT,SAAUO,OAAQN,OAAQ4B,SAAUD,UACrDE,KAAMzC,KAAK0C,mBAAmBvC,KAAKH,MACnC2C,KAAMtD,aAAaoC,cAU3B9B,aAAaS,UAAUsC,mBAAqB,SAAShB,SACjDjC,UAAUuC,OAAO,2BAA4BN,SAC5CJ,KAAK,SAASsB,KAAMC,IACjBpD,UAAUqD,YAAY9C,KAAKF,gBAAiB8C,KAAMC,KAGpD1C,KAAKH,OACNwB,MAAMnC,aAAaoC,YAIxB9B,aAAaS,UAAUN,gBAAkB,KAEzCH,aAAaS,UAAUL,wBAA0B,KAEWJ"}
\ No newline at end of file
diff --git a/report/competency/amd/build/user_course_navigation.min.js b/report/competency/amd/build/user_course_navigation.min.js
index 7aeba24053f..77529118710 100644
--- a/report/competency/amd/build/user_course_navigation.min.js
+++ b/report/competency/amd/build/user_course_navigation.min.js
@@ -1,2 +1,10 @@
-define ("report_competency/user_course_navigation",["jquery"],function(a){var b=function(b,c,d,e,f,g){this._baseUrl=d;this._userId=e+"";this._courseId=f;this._moduleId=g;a(b).on("change",this._userChanged.bind(this));a(c).on("change",this._moduleChanged.bind(this))};b.prototype._userChanged=function(b){M.util.js_pending("report_competency/user_course_navigation:_userChanged");var c=a(b.target).val(),d="?user="+c+"&id="+this._courseId+"&mod="+this._moduleId;document.location=this._baseUrl+d};b.prototype._moduleChanged=function(b){M.util.js_pending("report_competency/user_course_navigation:_moduleChanged");var c=a(b.target).val(),d="?mod="+c+"&id="+this._courseId+"&user="+this._userId;document.location=this._baseUrl+d};b.prototype._userId=null;b.prototype._moduleId=null;b.prototype._courseId=null;b.prototype._baseUrl=null;return b});
-//# sourceMappingURL=user_course_navigation.min.js.map
+/**
+ * Module to navigation between users in a course.
+ *
+ * @package    report_competency
+ * @copyright  2015 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("report_competency/user_course_navigation",["jquery"],(function($){var UserCourseNavigation=function(userSelector,moduleSelector,baseUrl,userId,courseId,moduleId){this._baseUrl=baseUrl,this._userId=userId+"",this._courseId=courseId,this._moduleId=moduleId,$(userSelector).on("change",this._userChanged.bind(this)),$(moduleSelector).on("change",this._moduleChanged.bind(this))};return UserCourseNavigation.prototype._userChanged=function(e){M.util.js_pending("report_competency/user_course_navigation:_userChanged");var queryStr="?user="+$(e.target).val()+"&id="+this._courseId+"&mod="+this._moduleId;document.location=this._baseUrl+queryStr},UserCourseNavigation.prototype._moduleChanged=function(e){M.util.js_pending("report_competency/user_course_navigation:_moduleChanged");var queryStr="?mod="+$(e.target).val()+"&id="+this._courseId+"&user="+this._userId;document.location=this._baseUrl+queryStr},UserCourseNavigation.prototype._userId=null,UserCourseNavigation.prototype._moduleId=null,UserCourseNavigation.prototype._courseId=null,UserCourseNavigation.prototype._baseUrl=null,UserCourseNavigation}));
+
+//# sourceMappingURL=user_course_navigation.min.js.map
\ No newline at end of file
diff --git a/report/competency/amd/build/user_course_navigation.min.js.map b/report/competency/amd/build/user_course_navigation.min.js.map
index c97133200af..1fcbb7cee9b 100644
--- a/report/competency/amd/build/user_course_navigation.min.js.map
+++ b/report/competency/amd/build/user_course_navigation.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/user_course_navigation.js"],"names":["define","$","UserCourseNavigation","userSelector","moduleSelector","baseUrl","userId","courseId","moduleId","_baseUrl","_userId","_courseId","_moduleId","on","_userChanged","bind","_moduleChanged","prototype","e","M","util","js_pending","newUserId","target","val","queryStr","document","location","newModuleId"],"mappings":"AAuBAA,OAAM,4CAAC,CAAC,QAAD,CAAD,CAAa,SAASC,CAAT,CAAY,CAY3B,GAAIC,CAAAA,CAAoB,CAAG,SAASC,CAAT,CAAuBC,CAAvB,CAAuCC,CAAvC,CAAgDC,CAAhD,CAAwDC,CAAxD,CAAkEC,CAAlE,CAA4E,CACnG,KAAKC,QAAL,CAAgBJ,CAAhB,CACA,KAAKK,OAAL,CAAeJ,CAAM,CAAG,EAAxB,CACA,KAAKK,SAAL,CAAiBJ,CAAjB,CACA,KAAKK,SAAL,CAAiBJ,CAAjB,CAEAP,CAAC,CAACE,CAAD,CAAD,CAAgBU,EAAhB,CAAmB,QAAnB,CAA6B,KAAKC,YAAL,CAAkBC,IAAlB,CAAuB,IAAvB,CAA7B,EACAd,CAAC,CAACG,CAAD,CAAD,CAAkBS,EAAlB,CAAqB,QAArB,CAA+B,KAAKG,cAAL,CAAoBD,IAApB,CAAyB,IAAzB,CAA/B,CACH,CARD,CAgBAb,CAAoB,CAACe,SAArB,CAA+BH,YAA/B,CAA8C,SAASI,CAAT,CAAY,CAEtDC,CAAC,CAACC,IAAF,CAAOC,UAAP,CAAkB,uDAAlB,EAFsD,GAGlDC,CAAAA,CAAS,CAAGrB,CAAC,CAACiB,CAAC,CAACK,MAAH,CAAD,CAAYC,GAAZ,EAHsC,CAIlDC,CAAQ,CAAG,SAAWH,CAAX,CAAuB,MAAvB,CAAgC,KAAKX,SAArC,CAAiD,OAAjD,CAA2D,KAAKC,SAJzB,CAKtDc,QAAQ,CAACC,QAAT,CAAoB,KAAKlB,QAAL,CAAgBgB,CACvC,CAND,CAcAvB,CAAoB,CAACe,SAArB,CAA+BD,cAA/B,CAAgD,SAASE,CAAT,CAAY,CAExDC,CAAC,CAACC,IAAF,CAAOC,UAAP,CAAkB,yDAAlB,EAFwD,GAGpDO,CAAAA,CAAW,CAAG3B,CAAC,CAACiB,CAAC,CAACK,MAAH,CAAD,CAAYC,GAAZ,EAHsC,CAIpDC,CAAQ,CAAG,QAAUG,CAAV,CAAwB,MAAxB,CAAiC,KAAKjB,SAAtC,CAAkD,QAAlD,CAA6D,KAAKD,OAJzB,CAKxDgB,QAAQ,CAACC,QAAT,CAAoB,KAAKlB,QAAL,CAAgBgB,CACvC,CAND,CASAvB,CAAoB,CAACe,SAArB,CAA+BP,OAA/B,CAAyC,IAAzC,CAEAR,CAAoB,CAACe,SAArB,CAA+BL,SAA/B,CAA2C,IAA3C,CAEAV,CAAoB,CAACe,SAArB,CAA+BN,SAA/B,CAA2C,IAA3C,CAEAT,CAAoB,CAACe,SAArB,CAA+BR,QAA/B,CAA0C,IAA1C,CAEA,MAAqEP,CAAAA,CAExE,CA7DK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to navigation between users in a course.\n *\n * @package    report_competency\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * UserCourseNavigation\n     *\n     * @param {String} userSelector The selector of the user element.\n     * @param {String} moduleSelector The selector of the module element.\n     * @param {String} baseUrl The base url for the page (no params).\n     * @param {Number} userId The course id\n     * @param {Number} courseId The user id\n     * @param {Number} moduleId The activity module (filter)\n     */\n    var UserCourseNavigation = function(userSelector, moduleSelector, baseUrl, userId, courseId, moduleId) {\n        this._baseUrl = baseUrl;\n        this._userId = userId + '';\n        this._courseId = courseId;\n        this._moduleId = moduleId;\n\n        $(userSelector).on('change', this._userChanged.bind(this));\n        $(moduleSelector).on('change', this._moduleChanged.bind(this));\n    };\n\n    /**\n     * The user was changed in the select list.\n     *\n     * @method _userChanged\n     * @param {Event} e the event\n     */\n    UserCourseNavigation.prototype._userChanged = function(e) {\n        // Note: This change causes a page reload and is intentionally not paired with a js_complete call.\n        M.util.js_pending('report_competency/user_course_navigation:_userChanged');\n        var newUserId = $(e.target).val();\n        var queryStr = '?user=' + newUserId + '&id=' + this._courseId + '&mod=' + this._moduleId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /**\n     * The module was changed in the select list.\n     *\n     * @method _moduleChanged\n     * @param {Event} e the event\n     */\n    UserCourseNavigation.prototype._moduleChanged = function(e) {\n        // Note: This change causes a page reload and is intentionally not paired with a js_complete call.\n        M.util.js_pending('report_competency/user_course_navigation:_moduleChanged');\n        var newModuleId = $(e.target).val();\n        var queryStr = '?mod=' + newModuleId + '&id=' + this._courseId + '&user=' + this._userId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /** @type {Number} The id of the user. */\n    UserCourseNavigation.prototype._userId = null;\n    /** @type {Number} The id of the module. */\n    UserCourseNavigation.prototype._moduleId = null;\n    /** @type {Number} The id of the course. */\n    UserCourseNavigation.prototype._courseId = null;\n    /** @type {String} Plugin base url. */\n    UserCourseNavigation.prototype._baseUrl = null;\n\n    return /** @alias module:report_competency/user_course_navigation */ UserCourseNavigation;\n\n});\n"],"file":"user_course_navigation.min.js"}
\ No newline at end of file
+{"version":3,"file":"user_course_navigation.min.js","sources":["../src/user_course_navigation.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to navigation between users in a course.\n *\n * @package    report_competency\n * @copyright  2015 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery'], function($) {\n\n    /**\n     * UserCourseNavigation\n     *\n     * @param {String} userSelector The selector of the user element.\n     * @param {String} moduleSelector The selector of the module element.\n     * @param {String} baseUrl The base url for the page (no params).\n     * @param {Number} userId The course id\n     * @param {Number} courseId The user id\n     * @param {Number} moduleId The activity module (filter)\n     */\n    var UserCourseNavigation = function(userSelector, moduleSelector, baseUrl, userId, courseId, moduleId) {\n        this._baseUrl = baseUrl;\n        this._userId = userId + '';\n        this._courseId = courseId;\n        this._moduleId = moduleId;\n\n        $(userSelector).on('change', this._userChanged.bind(this));\n        $(moduleSelector).on('change', this._moduleChanged.bind(this));\n    };\n\n    /**\n     * The user was changed in the select list.\n     *\n     * @method _userChanged\n     * @param {Event} e the event\n     */\n    UserCourseNavigation.prototype._userChanged = function(e) {\n        // Note: This change causes a page reload and is intentionally not paired with a js_complete call.\n        M.util.js_pending('report_competency/user_course_navigation:_userChanged');\n        var newUserId = $(e.target).val();\n        var queryStr = '?user=' + newUserId + '&id=' + this._courseId + '&mod=' + this._moduleId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /**\n     * The module was changed in the select list.\n     *\n     * @method _moduleChanged\n     * @param {Event} e the event\n     */\n    UserCourseNavigation.prototype._moduleChanged = function(e) {\n        // Note: This change causes a page reload and is intentionally not paired with a js_complete call.\n        M.util.js_pending('report_competency/user_course_navigation:_moduleChanged');\n        var newModuleId = $(e.target).val();\n        var queryStr = '?mod=' + newModuleId + '&id=' + this._courseId + '&user=' + this._userId;\n        document.location = this._baseUrl + queryStr;\n    };\n\n    /** @type {Number} The id of the user. */\n    UserCourseNavigation.prototype._userId = null;\n    /** @type {Number} The id of the module. */\n    UserCourseNavigation.prototype._moduleId = null;\n    /** @type {Number} The id of the course. */\n    UserCourseNavigation.prototype._courseId = null;\n    /** @type {String} Plugin base url. */\n    UserCourseNavigation.prototype._baseUrl = null;\n\n    return /** @alias module:report_competency/user_course_navigation */ UserCourseNavigation;\n\n});\n"],"names":["define","$","UserCourseNavigation","userSelector","moduleSelector","baseUrl","userId","courseId","moduleId","_baseUrl","_userId","_courseId","_moduleId","on","this","_userChanged","bind","_moduleChanged","prototype","e","M","util","js_pending","queryStr","target","val","document","location"],"mappings":";;;;;;;AAuBAA,kDAAO,CAAC,WAAW,SAASC,OAYpBC,qBAAuB,SAASC,aAAcC,eAAgBC,QAASC,OAAQC,SAAUC,eACpFC,SAAWJ,aACXK,QAAUJ,OAAS,QACnBK,UAAYJ,cACZK,UAAYJ,SAEjBP,EAAEE,cAAcU,GAAG,SAAUC,KAAKC,aAAaC,KAAKF,OACpDb,EAAEG,gBAAgBS,GAAG,SAAUC,KAAKG,eAAeD,KAAKF,eAS5DZ,qBAAqBgB,UAAUH,aAAe,SAASI,GAEnDC,EAAEC,KAAKC,WAAW,6DAEdC,SAAW,SADCtB,EAAEkB,EAAEK,QAAQC,MACU,OAASX,KAAKH,UAAY,QAAUG,KAAKF,UAC/Ec,SAASC,SAAWb,KAAKL,SAAWc,UASxCrB,qBAAqBgB,UAAUD,eAAiB,SAASE,GAErDC,EAAEC,KAAKC,WAAW,+DAEdC,SAAW,QADGtB,EAAEkB,EAAEK,QAAQC,MACS,OAASX,KAAKH,UAAY,SAAWG,KAAKJ,QACjFgB,SAASC,SAAWb,KAAKL,SAAWc,UAIxCrB,qBAAqBgB,UAAUR,QAAU,KAEzCR,qBAAqBgB,UAAUN,UAAY,KAE3CV,qBAAqBgB,UAAUP,UAAY,KAE3CT,qBAAqBgB,UAAUT,SAAW,KAE2BP"}
\ No newline at end of file
diff --git a/report/insights/amd/build/actions.min.js b/report/insights/amd/build/actions.min.js
index e128e9091b7..bd8e4b4106a 100644
--- a/report/insights/amd/build/actions.min.js
+++ b/report/insights/amd/build/actions.min.js
@@ -1,2 +1,10 @@
-define ("report_insights/actions",["jquery","core/str","core/ajax","core/notification","core/url","core/modal_factory","core/modal_events"],function(a,b,c,d,e,f,g){return{initBulk:function initBulk(h){var i=function(a,b,f){return c.call([{methodname:"report_insights_action_executed",args:{predictionids:a,actionname:f}}])[0].then(function(){var a=!1;b.forEach(function(b){if(!1===a){a=b.closest("table")}b.remove()});if(0===a.find("tbody > tr").length){var c={contextid:a.closest("div.insight-container").data("context-id"),modelid:a.closest("div.insight-container").data("model-id")};window.location.assign(e.relativeUrl("report/insights/insights.php",c,!1))}}).catch(d.exception)};a(h+" [data-bulk-actionname]").on("click",function(c){c.preventDefault();var e=a(c.currentTarget),h=e.data("bulk-actionname"),j=e.text().trim(),k=[],l=[];a(".insights-list input[data-togglegroup^=\"insight-bulk-action-\"][data-toggle=\"slave\"]:checked").each(function(){var b=a(this).closest("tr[data-prediction-id]");l.push(b);k.push(b.data("prediction-id"))});if(0===k.length){return this}var m=[];b.get_strings([{key:"confirmbulkaction",component:"report_insights",param:{action:j,nitems:k.length}},{key:"confirm",component:"moodle"}]).then(function(a){m=a;return f.create({type:f.types.SAVE_CANCEL,title:j,body:m[0]})}).then(function(a){a.setSaveButtonText(m[1]);a.show();a.getRoot().on(g.save,function(){return i(k,l,h)});return a}).catch(d.exception);return this})}}});
-//# sourceMappingURL=actions.min.js.map
+/**
+ * Module to manage report insights actions that are executed using AJAX.
+ *
+ * @package    report_insights
+ * @copyright  2017 David Monllao {@link http://www.davidmonllao.com}
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("report_insights/actions",["jquery","core/str","core/ajax","core/notification","core/url","core/modal_factory","core/modal_events"],(function($,Str,Ajax,Notification,Url,ModalFactory,ModalEvents){return{initBulk:function(rootNode){$(rootNode+" [data-bulk-actionname]").on("click",(function(e){e.preventDefault();var action=$(e.currentTarget),actionName=action.data("bulk-actionname"),actionVisibleName=action.text().trim(),predictionIds=[],predictionContainers=[];if($('.insights-list input[data-togglegroup^="insight-bulk-action-"][data-toggle="slave"]:checked').each((function(){var container=$(this).closest("tr[data-prediction-id]");predictionContainers.push(container),predictionIds.push(container.data("prediction-id"))})),0===predictionIds.length)return this;var strings=[];return Str.get_strings([{key:"confirmbulkaction",component:"report_insights",param:{action:actionVisibleName,nitems:predictionIds.length}},{key:"confirm",component:"moodle"}]).then((function(strs){return strings=strs,ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,title:actionVisibleName,body:strings[0]})})).then((function(modal){return modal.setSaveButtonText(strings[1]),modal.show(),modal.getRoot().on(ModalEvents.save,(function(){return function(predictionIds,predictionContainers,actionName){return Ajax.call([{methodname:"report_insights_action_executed",args:{predictionids:predictionIds,actionname:actionName}}])[0].then((function(){var tableNode=!1;if(predictionContainers.forEach((function(el){!1===tableNode&&(tableNode=el.closest("table")),el.remove()})),0===tableNode.find("tbody > tr").length){var params={contextid:tableNode.closest("div.insight-container").data("context-id"),modelid:tableNode.closest("div.insight-container").data("model-id")};window.location.assign(Url.relativeUrl("report/insights/insights.php",params,!1))}})).catch(Notification.exception)}(predictionIds,predictionContainers,actionName)})),modal})).catch(Notification.exception),this}))}}}));
+
+//# sourceMappingURL=actions.min.js.map
\ No newline at end of file
diff --git a/report/insights/amd/build/actions.min.js.map b/report/insights/amd/build/actions.min.js.map
index 61934577f97..c998a059d7e 100644
--- a/report/insights/amd/build/actions.min.js.map
+++ b/report/insights/amd/build/actions.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to manage report insights actions that are executed using AJAX.\n *\n * @package    report_insights\n * @copyright  2017 David Monllao {@link http://www.davidmonllao.com}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * This module manages prediction actions that require AJAX requests.\n *\n * @module report_insights/actions\n */\ndefine(['jquery', 'core/str', 'core/ajax', 'core/notification', 'core/url', 'core/modal_factory', 'core/modal_events'],\n        function($, Str, Ajax, Notification, Url, ModalFactory, ModalEvents) {\n\n    return {\n\n        /**\n         * Attach on click handlers for bulk actions.\n         *\n         * @param {String} rootNode\n         * @access public\n         */\n        initBulk: function(rootNode) {\n\n            /**\n             * Executes the provided action.\n             *\n             * @param  {Array}  predictionIds\n             * @param  {Array}  predictionContainers\n             * @param  {String} actionName\n             * @return {Promise}\n             */\n            var executeAction = function(predictionIds, predictionContainers, actionName) {\n\n                return Ajax.call([\n                    {\n                        methodname: 'report_insights_action_executed',\n                        args: {\n                            predictionids: predictionIds,\n                            actionname: actionName\n                        }\n                    }\n                ])[0].then(function() {\n                    // Remove the selected elements from the list.\n\n                    var tableNode = false;\n                    predictionContainers.forEach(function(el) {\n                        if (tableNode === false) {\n                            tableNode = el.closest('table');\n                        }\n                        el.remove();\n                    });\n\n                    if (tableNode.find('tbody > tr').length === 0) {\n                        let params = {\n                            contextid: tableNode.closest('div.insight-container').data('context-id'),\n                            modelid: tableNode.closest('div.insight-container').data('model-id')\n                        };\n                        window.location.assign(Url.relativeUrl(\"report/insights/insights.php\", params, false));\n                    }\n                    return;\n                }).catch(Notification.exception);\n            };\n\n            $(rootNode + ' [data-bulk-actionname]').on('click', function(e) {\n                e.preventDefault();\n                var action = $(e.currentTarget);\n                var actionName = action.data('bulk-actionname');\n                var actionVisibleName = action.text().trim();\n\n                var predictionIds = [];\n                var predictionContainers = [];\n\n                $('.insights-list input[data-togglegroup^=\"insight-bulk-action-\"][data-toggle=\"slave\"]:checked').each(function() {\n                    var container = $(this).closest('tr[data-prediction-id]');\n                    predictionContainers.push(container);\n                    predictionIds.push(container.data('prediction-id'));\n                });\n\n                if (predictionIds.length === 0) {\n                    // No items selected message.\n                    return this;\n                }\n\n                var strings = [];\n                Str.get_strings([{\n                    key: 'confirmbulkaction',\n                    component: 'report_insights',\n                    param: {\n                        action: actionVisibleName,\n                        nitems: predictionIds.length\n                    }\n                }, {\n                    key: 'confirm',\n                    component: 'moodle'\n                }]\n                ).then(function(strs) {\n                    strings = strs;\n                    return ModalFactory.create({\n                        type: ModalFactory.types.SAVE_CANCEL,\n                        title: actionVisibleName,\n                        body: strings[0],\n                    });\n                }).then(function(modal) {\n                    modal.setSaveButtonText(strings[1]);\n                    modal.show();\n                    modal.getRoot().on(ModalEvents.save, function() {\n                        // The action is now confirmed, sending an action for it.\n                        return executeAction(predictionIds, predictionContainers, actionName);\n                    });\n\n                    return modal;\n                }).catch(Notification.exception);\n\n                return this;\n            });\n        },\n    };\n});\n"],"file":"actions.min.js"}
\ No newline at end of file
+{"version":3,"file":"actions.min.js","sources":["../src/actions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module to manage report insights actions that are executed using AJAX.\n *\n * @package    report_insights\n * @copyright  2017 David Monllao {@link http://www.davidmonllao.com}\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * This module manages prediction actions that require AJAX requests.\n *\n * @module report_insights/actions\n */\ndefine(['jquery', 'core/str', 'core/ajax', 'core/notification', 'core/url', 'core/modal_factory', 'core/modal_events'],\n        function($, Str, Ajax, Notification, Url, ModalFactory, ModalEvents) {\n\n    return {\n\n        /**\n         * Attach on click handlers for bulk actions.\n         *\n         * @param {String} rootNode\n         * @access public\n         */\n        initBulk: function(rootNode) {\n\n            /**\n             * Executes the provided action.\n             *\n             * @param  {Array}  predictionIds\n             * @param  {Array}  predictionContainers\n             * @param  {String} actionName\n             * @return {Promise}\n             */\n            var executeAction = function(predictionIds, predictionContainers, actionName) {\n\n                return Ajax.call([\n                    {\n                        methodname: 'report_insights_action_executed',\n                        args: {\n                            predictionids: predictionIds,\n                            actionname: actionName\n                        }\n                    }\n                ])[0].then(function() {\n                    // Remove the selected elements from the list.\n\n                    var tableNode = false;\n                    predictionContainers.forEach(function(el) {\n                        if (tableNode === false) {\n                            tableNode = el.closest('table');\n                        }\n                        el.remove();\n                    });\n\n                    if (tableNode.find('tbody > tr').length === 0) {\n                        let params = {\n                            contextid: tableNode.closest('div.insight-container').data('context-id'),\n                            modelid: tableNode.closest('div.insight-container').data('model-id')\n                        };\n                        window.location.assign(Url.relativeUrl(\"report/insights/insights.php\", params, false));\n                    }\n                    return;\n                }).catch(Notification.exception);\n            };\n\n            $(rootNode + ' [data-bulk-actionname]').on('click', function(e) {\n                e.preventDefault();\n                var action = $(e.currentTarget);\n                var actionName = action.data('bulk-actionname');\n                var actionVisibleName = action.text().trim();\n\n                var predictionIds = [];\n                var predictionContainers = [];\n\n                $('.insights-list input[data-togglegroup^=\"insight-bulk-action-\"][data-toggle=\"slave\"]:checked').each(function() {\n                    var container = $(this).closest('tr[data-prediction-id]');\n                    predictionContainers.push(container);\n                    predictionIds.push(container.data('prediction-id'));\n                });\n\n                if (predictionIds.length === 0) {\n                    // No items selected message.\n                    return this;\n                }\n\n                var strings = [];\n                Str.get_strings([{\n                    key: 'confirmbulkaction',\n                    component: 'report_insights',\n                    param: {\n                        action: actionVisibleName,\n                        nitems: predictionIds.length\n                    }\n                }, {\n                    key: 'confirm',\n                    component: 'moodle'\n                }]\n                ).then(function(strs) {\n                 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};\n});\n"],"names":["define","$","Str","Ajax","Notification","Url","ModalFactory","ModalEvents","initBulk","rootNode","on","e","preventDefault","action","currentTarget","actionName","data","actionVisibleName","text","trim","predictionIds","predictionContainers","each","container","this","closest","push","length","strings","get_strings","key","component","param","nitems","then","strs","create","type","types","SAVE_CANCEL","title","body","modal","setSaveButtonText","show","getRoot","save","call","methodname","args","predictionids","actionname","tableNode","forEach","el","remove","find","params","contextid","modelid","window","location","assign","relativeUrl","catch","exception","executeAction"],"mappings":";;;;;;;AA4BAA,iCAAO,CAAC,SAAU,WAAY,YAAa,oBAAqB,WAAY,qBAAsB,sBAC1F,SAASC,EAAGC,IAAKC,KAAMC,aAAcC,IAAKC,aAAcC,mBAErD,CAQHC,SAAU,SAASC,UA0CfR,EAAEQ,SAAW,2BAA2BC,GAAG,SAAS,SAASC,GACzDA,EAAEC,qBACEC,OAASZ,EAAEU,EAAEG,eACbC,WAAaF,OAAOG,KAAK,mBACzBC,kBAAoBJ,OAAOK,OAAOC,OAElCC,cAAgB,GAChBC,qBAAuB,MAE3BpB,EAAE,+FAA+FqB,MAAK,eAC9FC,UAAYtB,EAAEuB,MAAMC,QAAQ,0BAChCJ,qBAAqBK,KAAKH,WAC1BH,cAAcM,KAAKH,UAAUP,KAAK,qBAGT,IAAzBI,cAAcO,cAEPH,SAGPI,QAAU,UACd1B,IAAI2B,YAAY,CAAC,CACbC,IAAK,oBACLC,UAAW,kBACXC,MAAO,CACHnB,OAAQI,kBACRgB,OAAQb,cAAcO,SAE3B,CACCG,IAAK,UACLC,UAAW,YAEbG,MAAK,SAASC,aACZP,QAAUO,KACH7B,aAAa8B,OAAO,CACvBC,KAAM/B,aAAagC,MAAMC,YACzBC,MAAOvB,kBACPwB,KAAMb,QAAQ,QAEnBM,MAAK,SAASQ,cACbA,MAAMC,kBAAkBf,QAAQ,IAChCc,MAAME,OACNF,MAAMG,UAAUnC,GAAGH,YAAYuC,MAAM,kBA1EzB,SAAS1B,cAAeC,qBAAsBN,mBAEvDZ,KAAK4C,KAAK,CACb,CACIC,WAAY,kCACZC,KAAM,CACFC,cAAe9B,cACf+B,WAAYpC,eAGrB,GAAGmB,MAAK,eAGHkB,WAAY,KAChB/B,qBAAqBgC,SAAQ,SAASC,KAChB,IAAdF,YACAA,UAAYE,GAAG7B,QAAQ,UAE3B6B,GAAGC,YAGqC,IAAxCH,UAAUI,KAAK,cAAc7B,OAAc,KACvC8B,OAAS,CACTC,UAAWN,UAAU3B,QAAQ,yBAAyBT,KAAK,cAC3D2C,QAASP,UAAU3B,QAAQ,yBAAyBT,KAAK,aAE7D4C,OAAOC,SAASC,OAAOzD,IAAI0D,YAAY,+BAAgCN,QAAQ,QAGpFO,MAAM5D,aAAa6D,WA+CPC,CAAc9C,cAAeC,qBAAsBN,eAGvD2B,SACRsB,MAAM5D,aAAa6D,WAEfzC"}
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diff --git a/report/insights/amd/build/message_users.min.js b/report/insights/amd/build/message_users.min.js
index b29b7217135..660583d4422 100644
--- a/report/insights/amd/build/message_users.min.js
+++ b/report/insights/amd/build/message_users.min.js
@@ -1,2 +1,11 @@
-define ("report_insights/message_users",["jquery","core/str","core/log","core/modal_factory","core/modal_events","core/templates","core/notification","core/ajax"],function(a,b,c,d,e,f,g,h){var i={BULKACTIONSELECT:"#formactionid"},j=function(a,b){this.actionName=b;this.attachEventListeners(a)};j.prototype.actionName=null;j.prototype.modal=null;j.prototype.attachEventListeners=function(b){a(b+" button[data-bulk-sendmessage]").on("click",function(b){b.preventDefault();var d=a(b.currentTarget),e={},f=d.data("prediction-to-user-id");a(".insights-list input[data-togglegroup^=\"insight-bulk-action\"][data-toggle=\"slave\"]:checked").each(function(b,d){var g=a(d).closest("tr[data-prediction-id]").data("prediction-id");if("undefined"==typeof f[g]){c.error("Unknown user for prediction "+g);return}var h=f[g];e[g]=h});if(0===Object.keys(e).length){return this}this.showSendMessage(e);return this}.bind(this))};j.prototype.showSendMessage=function(c){var g=new Set(Object.values(c));if(0==g.length){return a.Deferred().resolve().promise()}var h=null;if(1==g.size){h=b.get_string("sendbulkmessagesingle","core_message")}else{h=b.get_string("sendbulkmessage","core_message",g.size)}return a.when(d.create({type:d.types.SAVE_CANCEL,body:f.render("core_user/send_bulk_message",{})}),h).then(function(b,d){this.modal=b;this.modal.setTitle(d);this.modal.setSaveButtonText(d);this.modal.getRoot().on(e.hidden,function(){a(i.BULKACTIONSELECT).focus();this.modal.getRoot().remove()}.bind(this));this.modal.getRoot().on(e.save,this.submitSendMessage.bind(this,c));this.modal.show();return this.modal}.bind(this))};j.prototype.submitSendMessage=function(a){var c=this.modal.getRoot().find("form textarea").val(),d=[],e=new Set(Object.values(a));e.forEach(function(a){d.push({touserid:a,text:c})});var f=this.actionName,i=null;return h.call([{methodname:"core_message_send_instant_messages",args:{messages:d}}])[0].then(function(a){if(1==a.length){return b.get_string("sendbulkmessagesentsingle","core_message")}else{return b.get_string("sendbulkmessagesent","core_message",a.length)}}).then(function(b){i=b;return h.call([{methodname:"report_insights_action_executed",args:{actionname:f,predictionids:Object.keys(a)}}])[0]}).then(function(){g.addNotification({message:i,type:"success"});return!0}).catch(g.exception)};return{init:function init(a,b){return new j(a,b)}}});
-//# sourceMappingURL=message_users.min.js.map
+/**
+ * Message users.
+ *
+ * @module     report_insights/message_users
+ * @package    report_insights
+ * @copyright  2019 David Monllao
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("report_insights/message_users",["jquery","core/str","core/log","core/modal_factory","core/modal_events","core/templates","core/notification","core/ajax"],(function($,Str,Log,ModalFactory,ModalEvents,Templates,Notification,Ajax){var SELECTORS_BULKACTIONSELECT="#formactionid",MessageUsers=function(rootNode,actionName){this.actionName=actionName,this.attachEventListeners(rootNode)};return MessageUsers.prototype.actionName=null,MessageUsers.prototype.modal=null,MessageUsers.prototype.attachEventListeners=function(rootNode){$(rootNode+" button[data-bulk-sendmessage]").on("click",function(e){e.preventDefault();var cTarget=$(e.currentTarget),users={},predictionToUserMapping=cTarget.data("prediction-to-user-id");return $('.insights-list input[data-togglegroup^="insight-bulk-action"][data-toggle="slave"]:checked').each((function(index,value){var predictionId=$(value).closest("tr[data-prediction-id]").data("prediction-id");if(void 0!==predictionToUserMapping[predictionId]){var userId=predictionToUserMapping[predictionId];users[predictionId]=userId}else Log.error("Unknown user for prediction "+predictionId)})),0===Object.keys(users).length||this.showSendMessage(users),this}.bind(this))},MessageUsers.prototype.showSendMessage=function(users){var userIds=new Set(Object.values(users));if(0==userIds.length)return $.Deferred().resolve().promise();var titlePromise=null;return titlePromise=1==userIds.size?Str.get_string("sendbulkmessagesingle","core_message"):Str.get_string("sendbulkmessage","core_message",userIds.size),$.when(ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,body:Templates.render("core_user/send_bulk_message",{})}),titlePromise).then(function(modal,title){return this.modal=modal,this.modal.setTitle(title),this.modal.setSaveButtonText(title),this.modal.getRoot().on(ModalEvents.hidden,function(){$(SELECTORS_BULKACTIONSELECT).focus(),this.modal.getRoot().remove()}.bind(this)),this.modal.getRoot().on(ModalEvents.save,this.submitSendMessage.bind(this,users)),this.modal.show(),this.modal}.bind(this))},MessageUsers.prototype.submitSendMessage=function(users){var messageText=this.modal.getRoot().find("form textarea").val(),messages=[];new Set(Object.values(users)).forEach((function(userId){messages.push({touserid:userId,text:messageText})}));var actionName=this.actionName,message=null;return Ajax.call([{methodname:"core_message_send_instant_messages",args:{messages:messages}}])[0].then((function(messageIds){return 1==messageIds.length?Str.get_string("sendbulkmessagesentsingle","core_message"):Str.get_string("sendbulkmessagesent","core_message",messageIds.length)})).then((function(msg){return message=msg,Ajax.call([{methodname:"report_insights_action_executed",args:{actionname:actionName,predictionids:Object.keys(users)}}])[0]})).then((function(){return Notification.addNotification({message:message,type:"success"}),!0})).catch(Notification.exception)},{init:function(rootNode,actionName){return new MessageUsers(rootNode,actionName)}}}));
+
+//# sourceMappingURL=message_users.min.js.map
\ No newline at end of file
diff --git a/report/insights/amd/build/message_users.min.js.map b/report/insights/amd/build/message_users.min.js.map
index 580954f2e34..f47deb040b4 100644
--- a/report/insights/amd/build/message_users.min.js.map
+++ b/report/insights/amd/build/message_users.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/message_users.js"],"names":["define","$","Str","Log","ModalFactory","ModalEvents","Templates","Notification","Ajax","SELECTORS","BULKACTIONSELECT","MessageUsers","rootNode","actionName","attachEventListeners","prototype","modal","on","e","preventDefault","cTarget","currentTarget","users","predictionToUserMapping","data","each","index","value","predictionId","closest","error","userId","Object","keys","length","showSendMessage","bind","userIds","Set","values","Deferred","resolve","promise","titlePromise","size","get_string","when","create","type","types","SAVE_CANCEL","body","render","then","title","setTitle","setSaveButtonText","getRoot","hidden","focus","remove","save","submitSendMessage","show","messageText","find","val","messages","forEach","push","touserid","text","message","call","methodname","args","messageIds","msg","actionname","predictionids","addNotification","catch","exception"],"mappings":"AAuBAA,OAAM,iCAAC,CAAC,QAAD,CAAW,UAAX,CAAuB,UAAvB,CAAmC,oBAAnC,CAAyD,mBAAzD,CAA8E,gBAA9E,CACH,mBADG,CACkB,WADlB,CAAD,CAEE,SAASC,CAAT,CAAYC,CAAZ,CAAiBC,CAAjB,CAAsBC,CAAtB,CAAoCC,CAApC,CAAiDC,CAAjD,CAA4DC,CAA5D,CAA0EC,CAA1E,CAAgF,IAEhFC,CAAAA,CAAS,CAAG,CACZC,gBAAgB,CAAE,eADN,CAFoE,CAYhFC,CAAY,CAAG,SAASC,CAAT,CAAmBC,CAAnB,CAA+B,CAC9C,KAAKA,UAAL,CAAkBA,CAAlB,CACA,KAAKC,oBAAL,CAA0BF,CAA1B,CACH,CAfmF,CAqBpFD,CAAY,CAACI,SAAb,CAAuBF,UAAvB,CAAoC,IAApC,CAMAF,CAAY,CAACI,SAAb,CAAuBC,KAAvB,CAA+B,IAA/B,CAMAL,CAAY,CAACI,SAAb,CAAuBD,oBAAvB,CAA8C,SAASF,CAAT,CAAmB,CAC7DX,CAAC,CAACW,CAAQ,CAAG,gCAAZ,CAAD,CAA+CK,EAA/C,CAAkD,OAAlD,CAA2D,SAASC,CAAT,CAAY,CACnEA,CAAC,CAACC,cAAF,GADmE,GAE/DC,CAAAA,CAAO,CAAGnB,CAAC,CAACiB,CAAC,CAACG,aAAH,CAFoD,CAK/DC,CAAK,CAAG,EALuD,CAM/DC,CAAuB,CAAGH,CAAO,CAACI,IAAR,CAAa,uBAAb,CANqC,CASnEvB,CAAC,CADqB,gGACrB,CAAD,CAAmBwB,IAAnB,CAAwB,SAASC,CAAT,CAAgBC,CAAhB,CAAuB,CAC3C,GAAIC,CAAAA,CAAY,CAAG3B,CAAC,CAAC0B,CAAD,CAAD,CAASE,OAAT,CAAiB,wBAAjB,EAA2CL,IAA3C,CAAgD,eAAhD,CAAnB,CAEA,GAAqD,WAAjD,QAAOD,CAAAA,CAAuB,CAACK,CAAD,CAAlC,CAAkE,CAC9DzB,CAAG,CAAC2B,KAAJ,CAAU,+BAAiCF,CAA3C,EACA,MACH,CAED,GAAIG,CAAAA,CAAM,CAAGR,CAAuB,CAACK,CAAD,CAApC,CACAN,CAAK,CAACM,CAAD,CAAL,CAAsBG,CAEzB,CAXD,EAaA,GAAkC,CAA9B,GAAAC,MAAM,CAACC,IAAP,CAAYX,CAAZ,EAAmBY,MAAvB,CAAqC,CACjC,MAAO,KACV,CAED,KAAKC,eAAL,CAAqBb,CAArB,EAEA,MAAO,KACV,CA7B0D,CA6BzDc,IA7ByD,CA6BpD,IA7BoD,CAA3D,CA8BH,CA/BD,CAyCAzB,CAAY,CAACI,SAAb,CAAuBoB,eAAvB,CAAyC,SAASb,CAAT,CAAgB,CAErD,GAAIe,CAAAA,CAAO,CAAG,GAAIC,CAAAA,GAAJ,CAAQN,MAAM,CAACO,MAAP,CAAcjB,CAAd,CAAR,CAAd,CAEA,GAAsB,CAAlB,EAAAe,CAAO,CAACH,MAAZ,CAAyB,CAErB,MAAOjC,CAAAA,CAAC,CAACuC,QAAF,GAAaC,OAAb,GAAuBC,OAAvB,EACV,CACD,GAAIC,CAAAA,CAAY,CAAG,IAAnB,CACA,GAAoB,CAAhB,EAAAN,CAAO,CAACO,IAAZ,CAAuB,CACnBD,CAAY,CAAGzC,CAAG,CAAC2C,UAAJ,CAAe,uBAAf,CAAwC,cAAxC,CAClB,CAFD,IAEO,CACHF,CAAY,CAAGzC,CAAG,CAAC2C,UAAJ,CAAe,iBAAf,CAAkC,cAAlC,CAAkDR,CAAO,CAACO,IAA1D,CAClB,CAED,MAAO3C,CAAAA,CAAC,CAAC6C,IAAF,CACH1C,CAAY,CAAC2C,MAAb,CAAoB,CAChBC,IAAI,CAAE5C,CAAY,CAAC6C,KAAb,CAAmBC,WADT,CAEhBC,IAAI,CAAE7C,CAAS,CAAC8C,MAAV,CAAiB,6BAAjB,CAAgD,EAAhD,CAFU,CAApB,CADG,CAKHT,CALG,EAMLU,IANK,CAMA,SAASrC,CAAT,CAAgBsC,CAAhB,CAAuB,CAE1B,KAAKtC,KAAL,CAAaA,CAAb,CAEA,KAAKA,KAAL,CAAWuC,QAAX,CAAoBD,CAApB,EACA,KAAKtC,KAAL,CAAWwC,iBAAX,CAA6BF,CAA7B,EAGA,KAAKtC,KAAL,CAAWyC,OAAX,GAAqBxC,EAArB,CAAwBZ,CAAW,CAACqD,MAApC,CAA4C,UAAW,CACnDzD,CAAC,CAACQ,CAAS,CAACC,gBAAX,CAAD,CAA8BiD,KAA9B,GACA,KAAK3C,KAAL,CAAWyC,OAAX,GAAqBG,MAArB,EACH,CAH2C,CAG1CxB,IAH0C,CAGrC,IAHqC,CAA5C,EAKA,KAAKpB,KAAL,CAAWyC,OAAX,GAAqBxC,EAArB,CAAwBZ,CAAW,CAACwD,IAApC,CAA0C,KAAKC,iBAAL,CAAuB1B,IAAvB,CAA4B,IAA5B,CAAkCd,CAAlC,CAA1C,EAEA,KAAKN,KAAL,CAAW+C,IAAX,GAEA,MAAO,MAAK/C,KACf,CAlBM,CAkBLoB,IAlBK,CAkBA,IAlBA,CANA,CAyBV,CAxCD,CAmDAzB,CAAY,CAACI,SAAb,CAAuB+C,iBAAvB,CAA2C,SAASxC,CAAT,CAAgB,IAEnD0C,CAAAA,CAAW,CAAG,KAAKhD,KAAL,CAAWyC,OAAX,GAAqBQ,IAArB,CAA0B,eAA1B,EAA2CC,GAA3C,EAFqC,CAInDC,CAAQ,CAAG,EAJwC,CAMnD9B,CAAO,CAAG,GAAIC,CAAAA,GAAJ,CAAQN,MAAM,CAACO,MAAP,CAAcjB,CAAd,CAAR,CANyC,CAOvDe,CAAO,CAAC+B,OAAR,CAAgB,SAASrC,CAAT,CAAiB,CAC7BoC,CAAQ,CAACE,IAAT,CAAc,CAACC,QAAQ,CAAEvC,CAAX,CAAmBwC,IAAI,CAAEP,CAAzB,CAAd,CACH,CAFD,EAPuD,GAWnDnD,CAAAA,CAAU,CAAG,KAAKA,UAXiC,CAYnD2D,CAAO,CAAG,IAZyC,CAavD,MAAOhE,CAAAA,CAAI,CAACiE,IAAL,CAAU,CAAC,CACdC,UAAU,CAAE,oCADE,CAEdC,IAAI,CAAE,CAACR,QAAQ,CAAEA,CAAX,CAFQ,CAAD,CAAV,EAGH,CAHG,EAGAd,IAHA,CAGK,SAASuB,CAAT,CAAqB,CAC7B,GAAyB,CAArB,EAAAA,CAAU,CAAC1C,MAAf,CAA4B,CACxB,MAAOhC,CAAAA,CAAG,CAAC2C,UAAJ,CAAe,2BAAf,CAA4C,cAA5C,CACV,CAFD,IAEO,CACH,MAAO3C,CAAAA,CAAG,CAAC2C,UAAJ,CAAe,qBAAf,CAAsC,cAAtC,CAAsD+B,CAAU,CAAC1C,MAAjE,CACV,CACJ,CATM,EASJmB,IATI,CASC,SAASwB,CAAT,CAAc,CAIlBL,CAAO,CAAGK,CAAV,CAEA,MAAOrE,CAAAA,CAAI,CAACiE,IAAL,CAAU,CAAC,CACdC,UAAU,CAAE,iCADE,CAEdC,IAAI,CAAE,CACFG,UAAU,CAAEjE,CADV,CAEFkE,aAAa,CAAE/C,MAAM,CAACC,IAAP,CAAYX,CAAZ,CAFb,CAFQ,CAAD,CAAV,EAMH,CANG,CAOV,CAtBM,EAsBJ+B,IAtBI,CAsBC,UAAW,CACf9C,CAAY,CAACyE,eAAb,CAA6B,CACzBR,OAAO,CAAEA,CADgB,CAEzBxB,IAAI,CAAE,SAFmB,CAA7B,EAIA,QACH,CA5BM,EA4BJiC,KA5BI,CA4BE1E,CAAY,CAAC2E,SA5Bf,CA6BV,CA1CD,CA4CA,MAA0D,CAStD,KAAQ,cAAStE,CAAT,CAAmBC,CAAnB,CAA+B,CACnC,MAAO,IAAIF,CAAAA,CAAJ,CA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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Message users.\n *\n * @module     report_insights/message_users\n * @package    report_insights\n * @copyright  2019 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/log', 'core/modal_factory', 'core/modal_events', 'core/templates',\n    'core/notification', 'core/ajax'],\n        function($, Str, Log, ModalFactory, ModalEvents, Templates, Notification, Ajax) {\n\n    var SELECTORS = {\n        BULKACTIONSELECT: \"#formactionid\"\n    };\n\n    /**\n     * Constructor.\n     *\n     * @param {String} rootNode\n     * @param {String} actionName\n     */\n    var MessageUsers = function(rootNode, actionName) {\n        this.actionName = actionName;\n        this.attachEventListeners(rootNode);\n    };\n\n    /**\n     * @var {String} actionName\n     * @private\n     */\n    MessageUsers.prototype.actionName = null;\n\n    /**\n     * @var {Modal} modal\n     * @private\n     */\n    MessageUsers.prototype.modal = null;\n\n    /**\n     * Attach the event listener to the send message bulk action.\n     * @param {String} rootNode\n     */\n    MessageUsers.prototype.attachEventListeners = function(rootNode) {\n        $(rootNode + ' button[data-bulk-sendmessage]').on('click', function(e) {\n            e.preventDefault();\n            var cTarget = $(e.currentTarget);\n\n            // Using an associative array in case there is more than 1 prediction for the same user.\n            var users = {};\n            var predictionToUserMapping = cTarget.data('prediction-to-user-id');\n\n            var checkedSelector = '.insights-list input[data-togglegroup^=\"insight-bulk-action\"][data-toggle=\"slave\"]:checked';\n            $(checkedSelector).each(function(index, value) {\n                var predictionId = $(value).closest('tr[data-prediction-id]').data('prediction-id');\n\n                if (typeof predictionToUserMapping[predictionId] === 'undefined') {\n                    Log.error('Unknown user for prediction ' + predictionId);\n                    return;\n                }\n\n                var userId = predictionToUserMapping[predictionId];\n                users[predictionId] = userId;\n\n            });\n\n            if (Object.keys(users).length === 0) {\n                return this;\n            }\n\n            this.showSendMessage(users);\n\n            return this;\n        }.bind(this));\n    };\n\n    /**\n     * Show the send message popup.\n     *\n     * @method showSendMessage\n     * @private\n     * @param {Object} users Prediction id to user id mapping.\n     * @return {Promise}\n     */\n    MessageUsers.prototype.showSendMessage = function(users) {\n\n        var userIds = new Set(Object.values(users));\n\n        if (userIds.length == 0) {\n            // Nothing to do.\n            return $.Deferred().resolve().promise();\n        }\n        var titlePromise = null;\n        if (userIds.size == 1) {\n            titlePromise = Str.get_string('sendbulkmessagesingle', 'core_message');\n        } else {\n            titlePromise = Str.get_string('sendbulkmessage', 'core_message', userIds.size);\n        }\n\n        return $.when(\n            ModalFactory.create({\n                type: ModalFactory.types.SAVE_CANCEL,\n                body: Templates.render('core_user/send_bulk_message', {})\n            }),\n            titlePromise\n        ).then(function(modal, title) {\n            // Keep a reference to the modal.\n            this.modal = modal;\n\n            this.modal.setTitle(title);\n            this.modal.setSaveButtonText(title);\n\n            // We want to focus on the action select when the dialog is closed.\n            this.modal.getRoot().on(ModalEvents.hidden, function() {\n                $(SELECTORS.BULKACTIONSELECT).focus();\n                this.modal.getRoot().remove();\n            }.bind(this));\n\n            this.modal.getRoot().on(ModalEvents.save, this.submitSendMessage.bind(this, users));\n\n            this.modal.show();\n\n            return this.modal;\n        }.bind(this));\n    };\n\n    /**\n     * Send a message to these users.\n     *\n     * @method submitSendMessage\n     * @private\n     * @param {Object} users Prediction id to user id mapping.\n     * @param {Event} e Form submission event.\n     * @return {Promise}\n     */\n    MessageUsers.prototype.submitSendMessage = function(users) {\n\n        var messageText = this.modal.getRoot().find('form textarea').val();\n\n        var messages = [];\n\n        var userIds = new Set(Object.values(users));\n        userIds.forEach(function(userId) {\n            messages.push({touserid: userId, text: messageText});\n        });\n\n        var actionName = this.actionName;\n        var message = null;\n        return Ajax.call([{\n            methodname: 'core_message_send_instant_messages',\n            args: {messages: messages}\n        }])[0].then(function(messageIds) {\n            if (messageIds.length == 1) {\n                return Str.get_string('sendbulkmessagesentsingle', 'core_message');\n            } else {\n                return Str.get_string('sendbulkmessagesent', 'core_message', messageIds.length);\n            }\n        }).then(function(msg) {\n\n            // Save this for the following callback. Now that we got everything\n            // done we can flag this action as executed.\n            message = msg;\n\n            return Ajax.call([{\n                methodname: 'report_insights_action_executed',\n                args: {\n                    actionname: actionName,\n                    predictionids: Object.keys(users)\n                }\n            }])[0];\n        }).then(function() {\n            Notification.addNotification({\n                message: message,\n                type: \"success\"\n            });\n            return true;\n        }).catch(Notification.exception);\n    };\n\n    return /** @alias module:report_insights/message_users */ {\n        // Public variables and functions.\n\n        /**\n         * @method init\n         * @param {String} rootNode\n         * @param {String} actionName\n         * @return {MessageUsers}\n         */\n        'init': function(rootNode, actionName) {\n            return new MessageUsers(rootNode, actionName);\n        }\n    };\n});\n"],"file":"message_users.min.js"}
\ No newline at end of file
+{"version":3,"file":"message_users.min.js","sources":["../src/message_users.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Message users.\n *\n * @module     report_insights/message_users\n * @package    report_insights\n * @copyright  2019 David Monllao\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/str', 'core/log', 'core/modal_factory', 'core/modal_events', 'core/templates',\n    'core/notification', 'core/ajax'],\n        function($, Str, Log, ModalFactory, ModalEvents, Templates, Notification, Ajax) {\n\n    var SELECTORS = {\n        BULKACTIONSELECT: \"#formactionid\"\n    };\n\n    /**\n     * Constructor.\n     *\n     * @param {String} rootNode\n     * @param {String} actionName\n     */\n    var MessageUsers = function(rootNode, actionName) {\n        this.actionName = actionName;\n        this.attachEventListeners(rootNode);\n    };\n\n    /**\n     * @var {String} actionName\n     * @private\n     */\n    MessageUsers.prototype.actionName = null;\n\n    /**\n     * @var {Modal} modal\n     * @private\n     */\n    MessageUsers.prototype.modal = null;\n\n    /**\n     * Attach the event listener to the send message bulk action.\n     * @param {String} rootNode\n     */\n    MessageUsers.prototype.attachEventListeners = function(rootNode) {\n        $(rootNode + ' button[data-bulk-sendmessage]').on('click', function(e) {\n            e.preventDefault();\n            var cTarget = $(e.currentTarget);\n\n            // Using an associative array in case there is more than 1 prediction for the same user.\n            var users = {};\n            var predictionToUserMapping = cTarget.data('prediction-to-user-id');\n\n            var checkedSelector = '.insights-list input[data-togglegroup^=\"insight-bulk-action\"][data-toggle=\"slave\"]:checked';\n            $(checkedSelector).each(function(index, value) {\n                var predictionId = $(value).closest('tr[data-prediction-id]').data('prediction-id');\n\n                if (typeof predictionToUserMapping[predictionId] === 'undefined') {\n                    Log.error('Unknown user for prediction ' + predictionId);\n                    return;\n                }\n\n                var userId = predictionToUserMapping[predictionId];\n                users[predictionId] = userId;\n\n            });\n\n            if (Object.keys(users).length === 0) {\n                return this;\n            }\n\n            this.showSendMessage(users);\n\n            return this;\n        }.bind(this));\n    };\n\n    /**\n     * Show the send message popup.\n     *\n     * @method showSendMessage\n     * @private\n     * @param {Object} users Prediction id to user id mapping.\n     * @return {Promise}\n     */\n    MessageUsers.prototype.showSendMessage = function(users) {\n\n        var userIds = new Set(Object.values(users));\n\n        if (userIds.length == 0) {\n            // Nothing to do.\n            return $.Deferred().resolve().promise();\n        }\n        var titlePromise = null;\n        if (userIds.size == 1) {\n            titlePromise = Str.get_string('sendbulkmessagesingle', 'core_message');\n        } else {\n            titlePromise = Str.get_string('sendbulkmessage', 'core_message', userIds.size);\n        }\n\n        return $.when(\n            ModalFactory.create({\n                type: ModalFactory.types.SAVE_CANCEL,\n                body: Templates.render('core_user/send_bulk_message', {})\n            }),\n            titlePromise\n        ).then(function(modal, title) {\n            // Keep a reference to the modal.\n            this.modal = modal;\n\n            this.modal.setTitle(title);\n            this.modal.setSaveButtonText(title);\n\n            // We want to focus on the action select when the dialog is closed.\n            this.modal.getRoot().on(ModalEvents.hidden, function() {\n                $(SELECTORS.BULKACTIONSELECT).focus();\n                this.modal.getRoot().remove();\n            }.bind(this));\n\n            this.modal.getRoot().on(ModalEvents.save, this.submitSendMessage.bind(this, users));\n\n            this.modal.show();\n\n            return this.modal;\n        }.bind(this));\n    };\n\n    /**\n     * Send a message to these users.\n     *\n     * @method submitSendMessage\n     * @private\n     * @param {Object} users Prediction id to user id mapping.\n     * @param {Event} e Form submission event.\n     * @return {Promise}\n     */\n    MessageUsers.prototype.submitSendMessage = function(users) {\n\n        var messageText = this.modal.getRoot().find('form textarea').val();\n\n        var messages = [];\n\n        var userIds = new Set(Object.values(users));\n        userIds.forEach(function(userId) {\n            messages.push({touserid: userId, text: messageText});\n        });\n\n        var actionName = this.actionName;\n        var message = null;\n        return Ajax.call([{\n            methodname: 'core_message_send_instant_messages',\n            args: {messages: messages}\n        }])[0].then(function(messageIds) {\n            if (messageIds.length == 1) {\n                return Str.get_string('sendbulkmessagesentsingle', 'core_message');\n            } else {\n                return Str.get_string('sendbulkmessagesent', 'core_message', messageIds.length);\n            }\n        }).then(function(msg) {\n\n            // Save this for the following callback. Now that we got everything\n            // done we can flag this action as executed.\n            message = msg;\n\n            return Ajax.call([{\n                methodname: 'report_insights_action_executed',\n                args: {\n                    actionname: actionName,\n                    predictionids: Object.keys(users)\n                }\n            }])[0];\n        }).then(function() {\n            Notification.addNotification({\n                message: message,\n                type: \"success\"\n            });\n            return true;\n        }).catch(Notification.exception);\n    };\n\n    return /** @alias module:report_insights/message_users */ {\n        // Public variables and functions.\n\n        /**\n         * @method init\n         * @param {String} rootNode\n         * @param {String} actionName\n         * @return {MessageUsers}\n         */\n        'init': function(rootNode, actionName) {\n            return new MessageUsers(rootNode, actionName);\n        }\n    };\n});\n"],"names":["define","$","Str","Log","ModalFactory","ModalEvents","Templates","Notification","Ajax","SELECTORS","MessageUsers","rootNode","actionName","attachEventListeners","prototype","modal","on","e","preventDefault","cTarget","currentTarget","users","predictionToUserMapping","data","each","index","value","predictionId","closest","userId","error","Object","keys","length","showSendMessage","this","bind","userIds","Set","values","Deferred","resolve","promise","titlePromise","size","get_string","when","create","type","types","SAVE_CANCEL","body","render","then","title","setTitle","setSaveButtonText","getRoot","hidden","focus","remove","save","submitSendMessage","show","messageText","find","val","messages","forEach","push","touserid","text","message","call","methodname","args","messageIds","msg","actionname","predictionids","addNotification","catch","exception"],"mappings":";;;;;;;;AAuBAA,uCAAO,CAAC,SAAU,WAAY,WAAY,qBAAsB,oBAAqB,iBACjF,oBAAqB,cACjB,SAASC,EAAGC,IAAKC,IAAKC,aAAcC,YAAaC,UAAWC,aAAcC,UAE1EC,2BACkB,gBASlBC,aAAe,SAASC,SAAUC,iBAC7BA,WAAaA,gBACbC,qBAAqBF,kBAO9BD,aAAaI,UAAUF,WAAa,KAMpCF,aAAaI,UAAUC,MAAQ,KAM/BL,aAAaI,UAAUD,qBAAuB,SAASF,UACnDV,EAAEU,SAAW,kCAAkCK,GAAG,QAAS,SAASC,GAChEA,EAAEC,qBACEC,QAAUlB,EAAEgB,EAAEG,eAGdC,MAAQ,GACRC,wBAA0BH,QAAQI,KAAK,gCAG3CtB,EADsB,8FACHuB,MAAK,SAASC,MAAOC,WAChCC,aAAe1B,EAAEyB,OAAOE,QAAQ,0BAA0BL,KAAK,yBAEd,IAA1CD,wBAAwBK,mBAK/BE,OAASP,wBAAwBK,cACrCN,MAAMM,cAAgBE,YALlB1B,IAAI2B,MAAM,+BAAiCH,iBASjB,IAA9BI,OAAOC,KAAKX,OAAOY,aAIlBC,gBAAgBb,OAHVc,MAMbC,KAAKD,QAWXzB,aAAaI,UAAUoB,gBAAkB,SAASb,WAE1CgB,QAAU,IAAIC,IAAIP,OAAOQ,OAAOlB,WAEd,GAAlBgB,QAAQJ,cAEDhC,EAAEuC,WAAWC,UAAUC,cAE9BC,aAAe,YAEfA,aADgB,GAAhBN,QAAQO,KACO1C,IAAI2C,WAAW,wBAAyB,gBAExC3C,IAAI2C,WAAW,kBAAmB,eAAgBR,QAAQO,MAGtE3C,EAAE6C,KACL1C,aAAa2C,OAAO,CAChBC,KAAM5C,aAAa6C,MAAMC,YACzBC,KAAM7C,UAAU8C,OAAO,8BAA+B,MAE1DT,cACFU,KAAK,SAAStC,MAAOuC,mBAEdvC,MAAQA,WAERA,MAAMwC,SAASD,YACfvC,MAAMyC,kBAAkBF,YAGxBvC,MAAM0C,UAAUzC,GAAGX,YAAYqD,OAAQ,WACxCzD,EAAEQ,4BAA4BkD,aACzB5C,MAAM0C,UAAUG,UACvBxB,KAAKD,YAEFpB,MAAM0C,UAAUzC,GAAGX,YAAYwD,KAAM1B,KAAK2B,kBAAkB1B,KAAKD,KAAMd,aAEvEN,MAAMgD,OAEJ5B,KAAKpB,OACdqB,KAAKD,QAYXzB,aAAaI,UAAUgD,kBAAoB,SAASzC,WAE5C2C,YAAc7B,KAAKpB,MAAM0C,UAAUQ,KAAK,iBAAiBC,MAEzDC,SAAW,GAED,IAAI7B,IAAIP,OAAOQ,OAAOlB,QAC5B+C,SAAQ,SAASvC,QACrBsC,SAASE,KAAK,CAACC,SAAUzC,OAAQ0C,KAAMP,qBAGvCpD,WAAauB,KAAKvB,WAClB4D,QAAU,YACPhE,KAAKiE,KAAK,CAAC,CACdC,WAAY,qCACZC,KAAM,CAACR,SAAUA,aACjB,GAAGd,MAAK,SAASuB,mBACQ,GAArBA,WAAW3C,OACJ/B,IAAI2C,WAAW,4BAA6B,gBAE5C3C,IAAI2C,WAAW,sBAAuB,eAAgB+B,WAAW3C,WAE7EoB,MAAK,SAASwB,YAIbL,QAAUK,IAEHrE,KAAKiE,KAAK,CAAC,CACdC,WAAY,kCACZC,KAAM,CACFG,WAAYlE,WACZmE,cAAehD,OAAOC,KAAKX,WAE/B,MACLgC,MAAK,kBACJ9C,aAAayE,gBAAgB,CACzBR,QAASA,QACTxB,KAAM,aAEH,KACRiC,MAAM1E,aAAa2E,YAGgC,MAS9C,SAASvE,SAAUC,mBAChB,IAAIF,aAAaC,SAAUC"}
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diff --git a/report/participation/amd/build/participants.min.js b/report/participation/amd/build/participants.min.js
index 551b48d50d7..017eae7c280 100644
--- a/report/participation/amd/build/participants.min.js
+++ b/report/participation/amd/build/participants.min.js
@@ -1,2 +1,12 @@
-define ("report_participation/participants",["exports","jquery","core/custom_interaction_events","core/modal_events","core/notification","core_user/local/participants/bulkactions"],function(a,b,c,d,e,f){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=g(b);c=g(c);d=g(d);e=g(e);function g(a){return a&&a.__esModule?a:{default:a}}var h={bulkActionSelect:"#formactionid",bulkUserSelectedCheckBoxes:"input[data-togglegroup^='participants-table'][data-toggle='slave']:checked",participantsForm:"#participantsform"};a.init=function init(){var a=document.querySelector(h.participantsForm),g=function(){c.default.define(h.bulkActionSelect,[c.default.events.accessibleChange]);(0,b.default)(h.bulkActionSelect).on(c.default.events.accessibleChange,function(b){var c=b.target.value,g=a.querySelectorAll(h.bulkUserSelectedCheckBoxes);if(-1!==c.indexOf("#")){b.preventDefault();var j=[];g.forEach(function(a){j.push(a.getAttribute("name").replace("user",""))});if("#messageselect"===c){(0,f.showSendMessage)(j).then(function(b){b.getRoot().on(d.default.hidden,function(){var b=a.querySelector(h.bulkActionSelect);i(b);b.focus()});return b}).catch(e.default.exception)}}else if(""!==c&&g.length){b.target.form().submit()}i(b.target)})},i=function(a){a.value=""};g()}});
-//# sourceMappingURL=participants.min.js.map
+define("report_participation/participants",["exports","jquery","core/custom_interaction_events","core/modal_events","core/notification","core_user/local/participants/bulkactions"],(function(_exports,_jquery,_custom_interaction_events,_modal_events,_notification,_bulkactions){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Some UI stuff for participants page.
+   * This is also used by the report/participants/index.php because it has the same functionality.
+   *
+   * @module     core_user/participants
+   * @package    core_user
+   * @copyright  2017 Damyon Wiese
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_jquery=_interopRequireDefault(_jquery),_custom_interaction_events=_interopRequireDefault(_custom_interaction_events),_modal_events=_interopRequireDefault(_modal_events),_notification=_interopRequireDefault(_notification);var Selectors_bulkActionSelect="#formactionid",Selectors_bulkUserSelectedCheckBoxes="input[data-togglegroup^='participants-table'][data-toggle='slave']:checked",Selectors_participantsForm="#participantsform";_exports.init=function(){var root=document.querySelector(Selectors_participantsForm),resetBulkAction=function(bulkActionSelect){bulkActionSelect.value=""};_custom_interaction_events.default.define(Selectors_bulkActionSelect,[_custom_interaction_events.default.events.accessibleChange]),(0,_jquery.default)(Selectors_bulkActionSelect).on(_custom_interaction_events.default.events.accessibleChange,(function(e){var action=e.target.value,checkboxes=root.querySelectorAll(Selectors_bulkUserSelectedCheckBoxes);if(-1!==action.indexOf("#")){e.preventDefault();var ids=[];checkboxes.forEach((function(checkbox){ids.push(checkbox.getAttribute("name").replace("user",""))})),"#messageselect"===action&&(0,_bulkactions.showSendMessage)(ids).then((function(modal){return modal.getRoot().on(_modal_events.default.hidden,(function(){var bulkActionSelector=root.querySelector(Selectors_bulkActionSelect);resetBulkAction(bulkActionSelector),bulkActionSelector.focus()})),modal})).catch(_notification.default.exception)}else""!==action&&checkboxes.length&&e.target.form().submit();resetBulkAction(e.target)}))}}));
+
+//# sourceMappingURL=participants.min.js.map
\ No newline at end of file
diff --git a/report/participation/amd/build/participants.min.js.map b/report/participation/amd/build/participants.min.js.map
index 293895b3555..92509a08bfb 100644
--- a/report/participation/amd/build/participants.min.js.map
+++ b/report/participation/amd/build/participants.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/participants.js"],"names":["Selectors","bulkActionSelect","bulkUserSelectedCheckBoxes","participantsForm","init","root","document","querySelector","registerEventListeners","CustomEvents","define","events","accessibleChange","on","e","action","target","value","checkboxes","querySelectorAll","indexOf","preventDefault","ids","forEach","checkbox","push","getAttribute","replace","then","modal","getRoot","ModalEvents","hidden","bulkActionSelector","resetBulkAction","focus","catch","Notification","exception","length","form","submit"],"mappings":"uRAyBA,OACA,OACA,OACA,O,sDAGMA,CAAAA,CAAS,CAAG,CACdC,gBAAgB,CAAE,eADJ,CAEdC,0BAA0B,CAAE,4EAFd,CAGdC,gBAAgB,CAAE,mBAHJ,C,QAME,QAAPC,CAAAA,IAAO,EAAM,IAChBC,CAAAA,CAAI,CAAGC,QAAQ,CAACC,aAAT,CAAuBP,CAAS,CAACG,gBAAjC,CADS,CAShBK,CAAsB,CAAG,UAAM,CACjCC,UAAaC,MAAb,CAAoBV,CAAS,CAACC,gBAA9B,CAAgD,CAACQ,UAAaE,MAAb,CAAoBC,gBAArB,CAAhD,EACA,cAAOZ,CAAS,CAACC,gBAAjB,EAAmCY,EAAnC,CAAsCJ,UAAaE,MAAb,CAAoBC,gBAA1D,CAA4E,SAAAE,CAAC,CAAI,IACvEC,CAAAA,CAAM,CAAGD,CAAC,CAACE,MAAF,CAASC,KADqD,CAEvEC,CAAU,CAAGb,CAAI,CAACc,gBAAL,CAAsBnB,CAAS,CAACE,0BAAhC,CAF0D,CAI7E,GAA4B,CAAC,CAAzB,GAAAa,CAAM,CAACK,OAAP,CAAe,GAAf,CAAJ,CAAgC,CAC5BN,CAAC,CAACO,cAAF,GAEA,GAAMC,CAAAA,CAAG,CAAG,EAAZ,CACAJ,CAAU,CAACK,OAAX,CAAmB,SAAAC,CAAQ,CAAI,CAC3BF,CAAG,CAACG,IAAJ,CAASD,CAAQ,CAACE,YAAT,CAAsB,MAAtB,EAA8BC,OAA9B,CAAsC,MAAtC,CAA8C,EAA9C,CAAT,CACH,CAFD,EAIA,GAAe,gBAAX,GAAAZ,CAAJ,CAAiC,CAC7B,sBAAgBO,CAAhB,EACCM,IADD,CACM,SAAAC,CAAK,CAAI,CACXA,CAAK,CAACC,OAAN,GAAgBjB,EAAhB,CAAmBkB,UAAYC,MAA/B,CAAuC,UAAM,CAEzC,GAAMC,CAAAA,CAAkB,CAAG5B,CAAI,CAACE,aAAL,CAAmBP,CAAS,CAACC,gBAA7B,CAA3B,CACAiC,CAAe,CAACD,CAAD,CAAf,CACAA,CAAkB,CAACE,KAAnB,EACH,CALD,EAOA,MAAON,CAAAA,CACV,CAVD,EAWCO,KAXD,CAWOC,UAAaC,SAXpB,CAYH,CACJ,CAtBD,IAsBO,IAAe,EAAX,GAAAvB,CAAM,EAAWG,CAAU,CAACqB,MAAhC,CAAwC,CAC3CzB,CAAC,CAACE,MAAF,CAASwB,IAAT,GAAgBC,MAAhB,EACH,CAEDP,CAAe,CAACpB,CAAC,CAACE,MAAH,CAClB,CA/BD,CAgCH,CA3CqB,CA6ChBkB,CAAe,CAAG,SAAAjC,CAAgB,CAAI,CACxCA,CAAgB,CAACgB,KAAjB,CAAyB,EAC5B,CA/CqB,CAiDtBT,CAAsB,EACzB,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Some UI stuff for participants page.\n * This is also used by the report/participants/index.php because it has the same functionality.\n *\n * @module     core_user/participants\n * @package    core_user\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport jQuery from 'jquery';\nimport CustomEvents from 'core/custom_interaction_events';\nimport ModalEvents from 'core/modal_events';\nimport Notification from 'core/notification';\nimport {showSendMessage} from 'core_user/local/participants/bulkactions';\n\nconst Selectors = {\n    bulkActionSelect: \"#formactionid\",\n    bulkUserSelectedCheckBoxes: \"input[data-togglegroup^='participants-table'][data-toggle='slave']:checked\",\n    participantsForm: '#participantsform',\n};\n\nexport const init = () => {\n    const root = document.querySelector(Selectors.participantsForm);\n\n    /**\n     * Private method.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    const registerEventListeners = () => {\n        CustomEvents.define(Selectors.bulkActionSelect, [CustomEvents.events.accessibleChange]);\n        jQuery(Selectors.bulkActionSelect).on(CustomEvents.events.accessibleChange, e => {\n            const action = e.target.value;\n            const checkboxes = root.querySelectorAll(Selectors.bulkUserSelectedCheckBoxes);\n\n            if (action.indexOf('#') !== -1) {\n                e.preventDefault();\n\n                const ids = [];\n                checkboxes.forEach(checkbox => {\n                    ids.push(checkbox.getAttribute('name').replace('user', ''));\n                });\n\n                if (action === '#messageselect') {\n                    showSendMessage(ids)\n                    .then(modal => {\n                        modal.getRoot().on(ModalEvents.hidden, () => {\n                            // Focus on the action select when the dialog is closed.\n                            const bulkActionSelector = root.querySelector(Selectors.bulkActionSelect);\n                            resetBulkAction(bulkActionSelector);\n                            bulkActionSelector.focus();\n                        });\n\n                        return modal;\n                    })\n                    .catch(Notification.exception);\n                }\n            } else if (action !== '' && checkboxes.length) {\n                e.target.form().submit();\n            }\n\n            resetBulkAction(e.target);\n        });\n    };\n\n    const resetBulkAction = bulkActionSelect => {\n        bulkActionSelect.value = '';\n    };\n\n    registerEventListeners();\n};\n"],"file":"participants.min.js"}
\ No newline at end of file
+{"version":3,"file":"participants.min.js","sources":["../src/participants.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Some UI stuff for participants page.\n * This is also used by the report/participants/index.php because it has the same functionality.\n *\n * @module     core_user/participants\n * @package    core_user\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport jQuery from 'jquery';\nimport CustomEvents from 'core/custom_interaction_events';\nimport ModalEvents from 'core/modal_events';\nimport Notification from 'core/notification';\nimport {showSendMessage} from 'core_user/local/participants/bulkactions';\n\nconst Selectors = {\n    bulkActionSelect: \"#formactionid\",\n    bulkUserSelectedCheckBoxes: \"input[data-togglegroup^='participants-table'][data-toggle='slave']:checked\",\n    participantsForm: '#participantsform',\n};\n\nexport const init = () => {\n    const root = document.querySelector(Selectors.participantsForm);\n\n    /**\n     * Private method.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    const registerEventListeners = () => {\n        CustomEvents.define(Selectors.bulkActionSelect, [CustomEvents.events.accessibleChange]);\n        jQuery(Selectors.bulkActionSelect).on(CustomEvents.events.accessibleChange, e => {\n            const action = e.target.value;\n            const checkboxes = root.querySelectorAll(Selectors.bulkUserSelectedCheckBoxes);\n\n            if (action.indexOf('#') !== -1) {\n                e.preventDefault();\n\n                const ids = [];\n                checkboxes.forEach(checkbox => {\n                    ids.push(checkbox.getAttribute('name').replace('user', ''));\n                });\n\n                if (action === '#messageselect') {\n                    showSendMessage(ids)\n                    .then(modal => {\n                        modal.getRoot().on(ModalEvents.hidden, () => {\n                            // Focus on the action select when the dialog is closed.\n                            const bulkActionSelector = root.querySelector(Selectors.bulkActionSelect);\n                            resetBulkAction(bulkActionSelector);\n                            bulkActionSelector.focus();\n                        });\n\n                        return modal;\n                    })\n                    .catch(Notification.exception);\n                }\n            } else if (action !== '' && checkboxes.length) {\n                e.target.form().submit();\n            }\n\n            resetBulkAction(e.target);\n        });\n    };\n\n    const resetBulkAction = bulkActionSelect => {\n        bulkActionSelect.value = '';\n    };\n\n    registerEventListeners();\n};\n"],"names":["Selectors","root","document","querySelector","resetBulkAction","bulkActionSelect","value","define","CustomEvents","events","accessibleChange","on","e","action","target","checkboxes","querySelectorAll","indexOf","preventDefault","ids","forEach","checkbox","push","getAttribute","replace","then","modal","getRoot","ModalEvents","hidden","bulkActionSelector","focus","catch","Notification","exception","length","form","submit"],"mappings":";;;;;;;;;oTA+BMA,2BACgB,gBADhBA,qCAE0B,6EAF1BA,2BAGgB,kCAGF,eACVC,KAAOC,SAASC,cAAcH,4BA4C9BI,gBAAkB,SAAAC,kBACpBA,iBAAiBC,MAAQ,uCApCZC,OAAOP,2BAA4B,CAACQ,mCAAaC,OAAOC,uCAC9DV,4BAA4BW,GAAGH,mCAAaC,OAAOC,kBAAkB,SAAAE,OAClEC,OAASD,EAAEE,OAAOR,MAClBS,WAAad,KAAKe,iBAAiBhB,0CAEZ,IAAzBa,OAAOI,QAAQ,KAAa,CAC5BL,EAAEM,qBAEIC,IAAM,GACZJ,WAAWK,SAAQ,SAAAC,UACfF,IAAIG,KAAKD,SAASE,aAAa,QAAQC,QAAQ,OAAQ,QAG5C,mBAAXX,yCACgBM,KACfM,MAAK,SAAAC,cACFA,MAAMC,UAAUhB,GAAGiB,sBAAYC,QAAQ,eAE7BC,mBAAqB7B,KAAKE,cAAcH,4BAC9CI,gBAAgB0B,oBAChBA,mBAAmBC,WAGhBL,SAEVM,MAAMC,sBAAaC,eAEN,KAAXrB,QAAiBE,WAAWoB,QACnCvB,EAAEE,OAAOsB,OAAOC,SAGpBjC,gBAAgBQ,EAAEE"}
\ No newline at end of file
diff --git a/report/progress/amd/build/completion_override.min.js b/report/progress/amd/build/completion_override.min.js
index 229062f52c1..5d32631944d 100644
--- a/report/progress/amd/build/completion_override.min.js
+++ b/report/progress/amd/build/completion_override.min.js
@@ -1,2 +1,12 @@
-define ("report_progress/completion_override",["jquery","core/ajax","core/str","core/modal_factory","core/modal_events","core/notification","core/custom_interaction_events","core/templates"],function(a,b,c,d,e,f,g,h){var i,j,k=function(a,b){return 0<a?"i/completion-"+b+"-y-override":"i/completion-"+b+"-n-override"},l=function(a){h.render("core/loading",{}).then(function(c){j.append(c);return b.call([{methodname:"core_completion_override_activity_completion_status",args:a}])[0]}).then(function(b){var d=0<b.state?1:0,e=d?"completion-y-override":"completion-n-override";c.get_string(e,"completion",i).then(function(a){var b={state:a,date:"",user:j.attr("data-userfullname"),activity:j.attr("data-activityname")};return c.get_string("progress-title","completion",b)}).then(function(a){var b=j.attr("data-completiontracking");return h.renderPix(k(d,b),"core",a)}).then(function(b){var c=0<d?0:1;j.find(".loading-icon").remove();j.data("changecompl",a.userid+"-"+a.cmid+"-"+c);j.attr("data-changecompl",a.userid+"-"+a.cmid+"-"+c);j.children("img").replaceWith(b)}).catch(f.exception)}).catch(f.exception)},m=function(b,g){g.originalEvent.preventDefault();g.originalEvent.stopPropagation();b.preventDefault();b.stopPropagation();j=a(b.currentTarget);var h=j.data("changecompl").split("-"),i={userid:h[0],cmid:h[1],newstate:h[2]},k=1==i.newstate?"completion-y":"completion-n";c.get_strings([{key:k,component:"completion"}]).then(function(a){return c.get_strings([{key:"confirm",component:"moodle"},{key:"areyousureoverridecompletion",component:"completion",param:a[0]}])}).then(function(a){return d.create({type:d.types.SAVE_CANCEL,title:a[0],body:a[1]})}).then(function(a){a.getRoot().on(e.save,function(){l(i)});a.getRoot().on(e.hidden,function(){j.focus();a.destroy()});a.show()}).catch(f.exception)};return{init:function init(b){i=b;a("#completion-progress a.changecompl").each(function(a,b){g.define(b,[g.events.activate])});a("#completion-progress").on(g.events.activate,"a.changecompl",function(a,b){m(a,b)})}}});
-//# sourceMappingURL=completion_override.min.js.map
+/**
+ * AMD module to handle overriding activity completion status.
+ *
+ * @module     report_progress/completion_override
+ * @package    report_progress
+ * @copyright  2016 onwards Eiz Eddin Al Katrib <eiz@barasoft.co.uk>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ * @since      3.1
+ */
+define("report_progress/completion_override",["jquery","core/ajax","core/str","core/modal_factory","core/modal_events","core/notification","core/custom_interaction_events","core/templates"],(function($,Ajax,Str,ModalFactory,ModalEvents,Notification,CustomEvents,Templates){var userFullName,triggerElement,userConfirm=function(e,data){data.originalEvent.preventDefault(),data.originalEvent.stopPropagation(),e.preventDefault(),e.stopPropagation();var elemData=(triggerElement=$(e.currentTarget)).data("changecompl").split("-"),override={userid:elemData[0],cmid:elemData[1],newstate:elemData[2]},newStateStr=1==override.newstate?"completion-y":"completion-n";Str.get_strings([{key:newStateStr,component:"completion"}]).then((function(strings){return Str.get_strings([{key:"confirm",component:"moodle"},{key:"areyousureoverridecompletion",component:"completion",param:strings[0]}])})).then((function(strings){return ModalFactory.create({type:ModalFactory.types.SAVE_CANCEL,title:strings[0],body:strings[1]})})).then((function(modal){modal.getRoot().on(ModalEvents.save,(function(){!function(override){Templates.render("core/loading",{}).then((function(html){return triggerElement.append(html),Ajax.call([{methodname:"core_completion_override_activity_completion_status",args:override}])[0]})).then((function(results){var completionState=results.state>0?1:0,tooltipKey=completionState?"completion-y-override":"completion-n-override";Str.get_string(tooltipKey,"completion",userFullName).then((function(stateString){var params={state:stateString,date:"",user:triggerElement.attr("data-userfullname"),activity:triggerElement.attr("data-activityname")};return Str.get_string("progress-title","completion",params)})).then((function(titleString){var tracking,completionTracking=triggerElement.attr("data-completiontracking");return Templates.renderPix((tracking=completionTracking,completionState>0?"i/completion-"+tracking+"-y-override":"i/completion-"+tracking+"-n-override"),"core",titleString)})).then((function(html){var oppositeState=completionState>0?0:1;triggerElement.find(".loading-icon").remove(),triggerElement.data("changecompl",override.userid+"-"+override.cmid+"-"+oppositeState),triggerElement.attr("data-changecompl",override.userid+"-"+override.cmid+"-"+oppositeState),triggerElement.children("img").replaceWith(html)})).catch(Notification.exception)})).catch(Notification.exception)}(override)})),modal.getRoot().on(ModalEvents.hidden,(function(){triggerElement.focus(),modal.destroy()})),modal.show()})).catch(Notification.exception)};return{init:function(fullName){userFullName=fullName,$("#completion-progress a.changecompl").each((function(index,element){CustomEvents.define(element,[CustomEvents.events.activate])})),$("#completion-progress").on(CustomEvents.events.activate,"a.changecompl",(function(e,data){userConfirm(e,data)}))}}}));
+
+//# sourceMappingURL=completion_override.min.js.map
\ No newline at end of file
diff --git a/report/progress/amd/build/completion_override.min.js.map b/report/progress/amd/build/completion_override.min.js.map
index 42e731f6cf3..6c7a0e99345 100644
--- a/report/progress/amd/build/completion_override.min.js.map
+++ b/report/progress/amd/build/completion_override.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/completion_override.js"],"names":["define","$","Ajax","Str","ModalFactory","ModalEvents","Notification","CustomEvents","Templates","userFullName","triggerElement","getIconKeyFromState","state","tracking","setOverride","override","render","then","html","append","call","methodname","args","results","completionState","tooltipKey","get_string","stateString","params","date","user","attr","activity","titleString","completionTracking","renderPix","oppositeState","find","remove","data","userid","cmid","children","replaceWith","catch","exception","userConfirm","e","originalEvent","preventDefault","stopPropagation","currentTarget","elemData","split","newstate","newStateStr","get_strings","key","component","strings","param","create","type","types","SAVE_CANCEL","title","body","modal","getRoot","on","save","hidden","focus","destroy","show","init","fullName","each","index","element","events","activate"],"mappings":"AAwBAA,OAAM,uCAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,UAAxB,CAAoC,oBAApC,CAA0D,mBAA1D,CAA+E,mBAA/E,CACC,gCADD,CACmC,gBADnC,CAAD,CAEF,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAAuBC,CAAvB,CAAqCC,CAArC,CAAkDC,CAAlD,CAAgEC,CAAhE,CAA8EC,CAA9E,CAAyF,IAMjFC,CAAAA,CANiF,CAYjFC,CAZiF,CAsBjFC,CAAmB,CAAG,SAASC,CAAT,CAAgBC,CAAhB,CAA0B,CAChD,MAAe,EAAR,CAAAD,CAAK,CAAO,gBAAkBC,CAAlB,CAA6B,aAApC,CAAoD,gBAAkBA,CAAlB,CAA6B,aAChG,CAxBoF,CAgCjFC,CAAW,CAAG,SAASC,CAAT,CAAmB,CAEjCP,CAAS,CAACQ,MAAV,CAAiB,cAAjB,CAAiC,EAAjC,EAAqCC,IAArC,CAA0C,SAASC,CAAT,CAAe,CAErDR,CAAc,CAACS,MAAf,CAAsBD,CAAtB,EAGA,MAAOhB,CAAAA,CAAI,CAACkB,IAAL,CAAU,CAAC,CACdC,UAAU,CAAE,qDADE,CAEdC,IAAI,CAAEP,CAFQ,CAAD,CAAV,EAGH,CAHG,CAIV,CATD,EASGE,IATH,CASQ,SAASM,CAAT,CAAkB,IAClBC,CAAAA,CAAe,CAAoB,CAAhB,CAAAD,CAAO,CAACX,KAAT,CAAsB,CAAtB,CAA0B,CAD1B,CAIlBa,CAAU,CAAGD,CAAe,CAAG,uBAAH,CAA6B,uBAJvC,CAKtBrB,CAAG,CAACuB,UAAJ,CAAeD,CAAf,CAA2B,YAA3B,CAAyChB,CAAzC,EAAuDQ,IAAvD,CAA4D,SAASU,CAAT,CAAsB,CAC9E,GAAIC,CAAAA,CAAM,CAAG,CACThB,KAAK,CAAEe,CADE,CAETE,IAAI,CAAE,EAFG,CAGTC,IAAI,CAAEpB,CAAc,CAACqB,IAAf,CAAoB,mBAApB,CAHG,CAITC,QAAQ,CAAEtB,CAAc,CAACqB,IAAf,CAAoB,mBAApB,CAJD,CAAb,CAMA,MAAO5B,CAAAA,CAAG,CAACuB,UAAJ,CAAe,gBAAf,CAAiC,YAAjC,CAA+CE,CAA/C,CACV,CARD,EAQGX,IARH,CAQQ,SAASgB,CAAT,CAAsB,CAC1B,GAAIC,CAAAA,CAAkB,CAAGxB,CAAc,CAACqB,IAAf,CAAoB,yBAApB,CAAzB,CACA,MAAOvB,CAAAA,CAAS,CAAC2B,SAAV,CAAoBxB,CAAmB,CAACa,CAAD,CAAkBU,CAAlB,CAAvC,CAA8E,MAA9E,CAAsFD,CAAtF,CACV,CAXD,EAWGhB,IAXH,CAWQ,SAASC,CAAT,CAAe,CACnB,GAAIkB,CAAAA,CAAa,CAAqB,CAAlB,CAAAZ,CAAe,CAAO,CAAP,CAAW,CAA9C,CACAd,CAAc,CAAC2B,IAAf,CAAoB,eAApB,EAAqCC,MAArC,GACA5B,CAAc,CAAC6B,IAAf,CAAoB,aAApB,CAAmCxB,CAAQ,CAACyB,MAAT,CAAkB,GAAlB,CAAwBzB,CAAQ,CAAC0B,IAAjC,CAAwC,GAAxC,CAA8CL,CAAjF,EACA1B,CAAc,CAACqB,IAAf,CAAoB,kBAApB,CAAwChB,CAAQ,CAACyB,MAAT,CAAkB,GAAlB,CAAwBzB,CAAQ,CAAC0B,IAAjC,CAAwC,GAAxC,CAA8CL,CAAtF,EACA1B,CAAc,CAACgC,QAAf,CAAwB,KAAxB,EAA+BC,WAA/B,CAA2CzB,CAA3C,CAEH,CAlBD,EAkBG0B,KAlBH,CAkBStC,CAAY,CAACuC,SAlBtB,CAqBH,CAnCD,EAmCGD,KAnCH,CAmCStC,CAAY,CAACuC,SAnCtB,CAoCH,CAtEoF,CA+EjFC,CAAW,CAAG,SAASC,CAAT,CAAYR,CAAZ,CAAkB,CAChCA,CAAI,CAACS,aAAL,CAAmBC,cAAnB,GACAV,CAAI,CAACS,aAAL,CAAmBE,eAAnB,GACAH,CAAC,CAACE,cAAF,GACAF,CAAC,CAACG,eAAF,GAEAxC,CAAc,CAAGT,CAAC,CAAC8C,CAAC,CAACI,aAAH,CAAlB,CANgC,GAO5BC,CAAAA,CAAQ,CAAG1C,CAAc,CAAC6B,IAAf,CAAoB,aAApB,EAAmCc,KAAnC,CAAyC,GAAzC,CAPiB,CAQ5BtC,CAAQ,CAAG,CACXyB,MAAM,CAAEY,CAAQ,CAAC,CAAD,CADL,CAEXX,IAAI,CAAEW,CAAQ,CAAC,CAAD,CAFH,CAGXE,QAAQ,CAAEF,CAAQ,CAAC,CAAD,CAHP,CARiB,CAa5BG,CAAW,CAAyB,CAArB,EAAAxC,CAAQ,CAACuC,QAAV,CAA2B,cAA3B,CAA4C,cAb9B,CAehCnD,CAAG,CAACqD,WAAJ,CAAgB,CACZ,CAACC,GAAG,CAAEF,CAAN,CAAmBG,SAAS,CAAE,YAA9B,CADY,CAAhB,EAEGzC,IAFH,CAEQ,SAAS0C,CAAT,CAAkB,CACtB,MAAOxD,CAAAA,CAAG,CAACqD,WAAJ,CAAgB,CACnB,CAACC,GAAG,CAAE,SAAN,CAAiBC,SAAS,CAAE,QAA5B,CADmB,CAEnB,CAACD,GAAG,CAAE,8BAAN,CAAsCC,SAAS,CAAE,YAAjD,CAA+DE,KAAK,CAAED,CAAO,CAAC,CAAD,CAA7E,CAFmB,CAAhB,CAIV,CAPD,EAOG1C,IAPH,CAOQ,SAAS0C,CAAT,CAAkB,CAEtB,MAAOvD,CAAAA,CAAY,CAACyD,MAAb,CAAoB,CACvBC,IAAI,CAAE1D,CAAY,CAAC2D,KAAb,CAAmBC,WADF,CAEvBC,KAAK,CAAEN,CAAO,CAAC,CAAD,CAFS,CAGvBO,IAAI,CAAEP,CAAO,CAAC,CAAD,CAHU,CAApB,CAKV,CAdD,EAcG1C,IAdH,CAcQ,SAASkD,CAAT,CAAgB,CAIpBA,CAAK,CAACC,OAAN,GAAgBC,EAAhB,CAAmBhE,CAAW,CAACiE,IAA/B,CAAqC,UAAW,CAC5CxD,CAAW,CAACC,CAAD,CACd,CAFD,EAKAoD,CAAK,CAACC,OAAN,GAAgBC,EAAhB,CAAmBhE,CAAW,CAACkE,MAA/B,CAAuC,UAAW,CAC9C7D,CAAc,CAAC8D,KAAf,GACAL,CAAK,CAACM,OAAN,EACH,CAHD,EAMAN,CAAK,CAACO,IAAN,EAEH,CA/BD,EA+BG9B,KA/BH,CA+BStC,CAAY,CAACuC,SA/BtB,CAgCH,CA9HoF,CAqJrF,MAAgE,CAC5D8B,IAAI,CAhBG,QAAPA,CAAAA,IAAO,CAASC,CAAT,CAAmB,CAC1BnE,CAAY,CAAGmE,CAAf,CAGA3E,CAAC,CAAC,oCAAD,CAAD,CAAwC4E,IAAxC,CAA6C,SAASC,CAAT,CAAgBC,CAAhB,CAAyB,CAClExE,CAAY,CAACP,MAAb,CAAoB+E,CAApB,CAA6B,CAACxE,CAAY,CAACyE,MAAb,CAAoBC,QAArB,CAA7B,CACH,CAFD,EAMAhF,CAAC,CAAC,sBAAD,CAAD,CAA0BoE,EAA1B,CAA6B9D,CAAY,CAACyE,MAAb,CAAoBC,QAAjD,CAA2D,eAA3D,CAA4E,SAASlC,CAAT,CAAYR,CAAZ,CAAkB,CAC1FO,CAAW,CAACC,CAAD,CAAIR,CAAJ,CACd,CAFD,CAGH,CAE+D,CAGnE,CA1JC,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module to handle overriding activity completion status.\n *\n * @module     report_progress/completion_override\n * @package    report_progress\n * @copyright  2016 onwards Eiz Eddin Al Katrib <eiz@barasoft.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/notification',\n        'core/custom_interaction_events', 'core/templates'],\n    function($, Ajax, Str, ModalFactory, ModalEvents, Notification, CustomEvents, Templates) {\n\n        /**\n         * @type {String} the full name of the current user.\n         * @private\n         */\n        var userFullName;\n\n        /**\n         * @type {JQuery} JQuery object containing the element (completion link) that was most recently activated.\n         * @private\n         */\n        var triggerElement;\n\n        /**\n         * Helper function to get the pix icon key based on the completion state.\n         * @method getIconDescriptorFromState\n         * @param {number} state The current completion state.\n         * @param {string} tracking The completion tracking type, either 'manual' or 'auto'.\n         * @return {string} the key for the respective icon.\n         * @private\n         */\n        var getIconKeyFromState = function(state, tracking) {\n            return state > 0 ? 'i/completion-' + tracking + '-y-override' : 'i/completion-' + tracking + '-n-override';\n        };\n\n        /**\n         * Handles the confirmation of an override change, calling the web service to update it.\n         * @method setOverride\n         * @param {Object} override the override data\n         * @private\n         */\n        var setOverride = function(override) {\n            // Generate a loading spinner while we're working.\n            Templates.render('core/loading', {}).then(function(html) {\n                // Append the loading spinner to the trigger element.\n                triggerElement.append(html);\n\n                // Update the completion status override.\n                return Ajax.call([{\n                    methodname: 'core_completion_override_activity_completion_status',\n                    args: override\n                }])[0];\n            }).then(function(results) {\n                var completionState = (results.state > 0) ? 1 : 0;\n\n                // Now, build the new title string, get the new icon, and update the DOM.\n                var tooltipKey = completionState ? 'completion-y-override' : 'completion-n-override';\n                Str.get_string(tooltipKey, 'completion', userFullName).then(function(stateString) {\n                    var params = {\n                        state: stateString,\n                        date: '',\n                        user: triggerElement.attr('data-userfullname'),\n                        activity: triggerElement.attr('data-activityname')\n                    };\n                    return Str.get_string('progress-title', 'completion', params);\n                }).then(function(titleString) {\n                    var completionTracking = triggerElement.attr('data-completiontracking');\n                    return Templates.renderPix(getIconKeyFromState(completionState, completionTracking), 'core', titleString);\n                }).then(function(html) {\n                    var oppositeState = completionState > 0 ? 0 : 1;\n                    triggerElement.find('.loading-icon').remove();\n                    triggerElement.data('changecompl', override.userid + '-' + override.cmid + '-' + oppositeState);\n                    triggerElement.attr('data-changecompl', override.userid + '-' + override.cmid + '-' + oppositeState);\n                    triggerElement.children(\"img\").replaceWith(html);\n                    return;\n                }).catch(Notification.exception);\n\n                return;\n            }).catch(Notification.exception);\n        };\n\n        /**\n         * Handler for activation of a completion status button element.\n         * @method userConfirm\n         * @param {Event} e the CustomEvents event (CustomEvents.events.activate in this case)\n         * @param {Object} data an object containing the original event (click, keydown, etc.).\n         * @private\n         */\n        var userConfirm = function(e, data) {\n            data.originalEvent.preventDefault();\n            data.originalEvent.stopPropagation();\n            e.preventDefault();\n            e.stopPropagation();\n\n            triggerElement = $(e.currentTarget);\n            var elemData = triggerElement.data('changecompl').split('-');\n            var override = {\n                userid: elemData[0],\n                cmid: elemData[1],\n                newstate: elemData[2]\n            };\n            var newStateStr = (override.newstate == 1) ? 'completion-y' : 'completion-n';\n\n            Str.get_strings([\n                {key: newStateStr, component: 'completion'}\n            ]).then(function(strings) {\n                return Str.get_strings([\n                    {key: 'confirm', component: 'moodle'},\n                    {key: 'areyousureoverridecompletion', component: 'completion', param: strings[0]}\n                ]);\n            }).then(function(strings) {\n                // Create a save/cancel modal.\n                return ModalFactory.create({\n                    type: ModalFactory.types.SAVE_CANCEL,\n                    title: strings[0],\n                    body: strings[1],\n                });\n            }).then(function(modal) {\n                // Now set up the handlers for the confirmation or cancellation of the modal, and show it.\n\n                // Confirmation only.\n                modal.getRoot().on(ModalEvents.save, function() {\n                    setOverride(override);\n                });\n\n                // Confirming, closing, or cancelling will destroy the modal and return focus to the trigger element.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    triggerElement.focus();\n                    modal.destroy();\n                });\n\n                // Display.\n                modal.show();\n                return;\n            }).catch(Notification.exception);\n        };\n\n        /**\n         * Init this module which allows activity completion state to be changed via ajax.\n         * @method init\n         * @param {string} fullName The current user's full name.\n         * @private\n         */\n        var init = function(fullName) {\n            userFullName = fullName;\n\n            // Register the click, space and enter events as activators for the trigger element.\n            $('#completion-progress a.changecompl').each(function(index, element) {\n                CustomEvents.define(element, [CustomEvents.events.activate]);\n            });\n\n            // Set the handler on the parent element (the table), but filter so the callback is only called for <a> type children\n            // having the '.changecompl' class. The <a> element can then be accessed in the callback via e.currentTarget.\n            $('#completion-progress').on(CustomEvents.events.activate, \"a.changecompl\", function(e, data) {\n                userConfirm(e, data);\n            });\n        };\n\n        return /** @alias module:report_progress/completion_override */ {\n            init: init\n        };\n    });\n"],"file":"completion_override.min.js"}
\ No newline at end of file
+{"version":3,"file":"completion_override.min.js","sources":["../src/completion_override.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module to handle overriding activity completion status.\n *\n * @module     report_progress/completion_override\n * @package    report_progress\n * @copyright  2016 onwards Eiz Eddin Al Katrib <eiz@barasoft.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      3.1\n */\ndefine(['jquery', 'core/ajax', 'core/str', 'core/modal_factory', 'core/modal_events', 'core/notification',\n        'core/custom_interaction_events', 'core/templates'],\n    function($, Ajax, Str, ModalFactory, ModalEvents, Notification, CustomEvents, Templates) {\n\n        /**\n         * @type {String} the full name of the current user.\n         * @private\n         */\n        var userFullName;\n\n        /**\n         * @type {JQuery} JQuery object containing the element (completion link) that was most recently activated.\n         * @private\n         */\n        var triggerElement;\n\n        /**\n         * Helper function to get the pix icon key based on the completion state.\n         * @method getIconDescriptorFromState\n         * @param {number} state The current completion state.\n         * @param {string} tracking The completion tracking type, either 'manual' or 'auto'.\n         * @return {string} the key for the respective icon.\n         * @private\n         */\n        var getIconKeyFromState = function(state, tracking) {\n            return state > 0 ? 'i/completion-' + tracking + '-y-override' : 'i/completion-' + tracking + '-n-override';\n        };\n\n        /**\n         * Handles the confirmation of an override change, calling the web service to update it.\n         * @method setOverride\n         * @param {Object} override the override data\n         * @private\n         */\n        var setOverride = function(override) {\n            // Generate a loading spinner while we're working.\n            Templates.render('core/loading', {}).then(function(html) {\n                // Append the loading spinner to the trigger element.\n                triggerElement.append(html);\n\n                // Update the completion status override.\n                return Ajax.call([{\n                    methodname: 'core_completion_override_activity_completion_status',\n                    args: override\n                }])[0];\n            }).then(function(results) {\n                var completionState = (results.state > 0) ? 1 : 0;\n\n                // Now, build the new title string, get the new icon, and update the DOM.\n                var tooltipKey = completionState ? 'completion-y-override' : 'completion-n-override';\n                Str.get_string(tooltipKey, 'completion', userFullName).then(function(stateString) {\n                    var params = {\n                        state: stateString,\n                        date: '',\n                        user: triggerElement.attr('data-userfullname'),\n                        activity: triggerElement.attr('data-activityname')\n                    };\n                    return Str.get_string('progress-title', 'completion', params);\n                }).then(function(titleString) {\n                    var completionTracking = triggerElement.attr('data-completiontracking');\n                    return Templates.renderPix(getIconKeyFromState(completionState, completionTracking), 'core', titleString);\n                }).then(function(html) {\n                    var oppositeState = completionState > 0 ? 0 : 1;\n                    triggerElement.find('.loading-icon').remove();\n                    triggerElement.data('changecompl', override.userid + '-' + override.cmid + '-' + oppositeState);\n                    triggerElement.attr('data-changecompl', override.userid + '-' + override.cmid + '-' + oppositeState);\n                    triggerElement.children(\"img\").replaceWith(html);\n                    return;\n                }).catch(Notification.exception);\n\n                return;\n            }).catch(Notification.exception);\n        };\n\n        /**\n         * Handler for activation of a completion status button element.\n         * @method userConfirm\n         * @param {Event} e the CustomEvents event (CustomEvents.events.activate in this case)\n         * @param {Object} data an object containing the original event (click, keydown, etc.).\n         * @private\n         */\n        var userConfirm = function(e, data) {\n            data.originalEvent.preventDefault();\n            data.originalEvent.stopPropagation();\n            e.preventDefault();\n            e.stopPropagation();\n\n            triggerElement = $(e.currentTarget);\n            var elemData = triggerElement.data('changecompl').split('-');\n            var override = {\n                userid: elemData[0],\n                cmid: elemData[1],\n                newstate: elemData[2]\n            };\n            var newStateStr = (override.newstate == 1) ? 'completion-y' : 'completion-n';\n\n            Str.get_strings([\n                {key: newStateStr, component: 'completion'}\n            ]).then(function(strings) {\n                return Str.get_strings([\n                    {key: 'confirm', component: 'moodle'},\n                    {key: 'areyousureoverridecompletion', component: 'completion', param: strings[0]}\n                ]);\n            }).then(function(strings) {\n                // Create a save/cancel modal.\n                return ModalFactory.create({\n                    type: ModalFactory.types.SAVE_CANCEL,\n                    title: strings[0],\n                    body: strings[1],\n                });\n            }).then(function(modal) {\n                // Now set up the handlers for the confirmation or cancellation of the modal, and show it.\n\n                // Confirmation only.\n                modal.getRoot().on(ModalEvents.save, function() {\n                    setOverride(override);\n                });\n\n                // Confirming, closing, or cancelling will destroy the modal and return focus to the trigger element.\n                modal.getRoot().on(ModalEvents.hidden, function() {\n                    triggerElement.focus();\n                    modal.destroy();\n                });\n\n                // Display.\n                modal.show();\n                return;\n            }).catch(Notification.exception);\n        };\n\n        /**\n         * Init this module which allows activity completion state to be changed via ajax.\n         * @method init\n         * @param {string} fullName The current user's full name.\n         * @private\n         */\n        var init = function(fullName) {\n            userFullName = fullName;\n\n            // Register the click, space and enter events as activators for the trigger element.\n            $('#completion-progress a.changecompl').each(function(index, element) {\n                CustomEvents.define(element, [CustomEvents.events.activate]);\n            });\n\n            // Set the handler on the parent element (the table), but filter so the callback is only called for <a> type children\n            // having the '.changecompl' class. The <a> element can then be accessed in the callback via e.currentTarget.\n            $('#completion-progress').on(CustomEvents.events.activate, \"a.changecompl\", function(e, data) {\n                userConfirm(e, data);\n            });\n        };\n\n        return /** @alias module:report_progress/completion_override */ {\n            init: init\n        };\n    });\n"],"names":["define","$","Ajax","Str","ModalFactory","ModalEvents","Notification","CustomEvents","Templates","userFullName","triggerElement","userConfirm","e","data","originalEvent","preventDefault","stopPropagation","elemData","currentTarget","split","override","userid","cmid","newstate","newStateStr","get_strings","key","component","then","strings","param","create","type","types","SAVE_CANCEL","title","body","modal","getRoot","on","save","render","html","append","call","methodname","args","results","completionState","state","tooltipKey","get_string","stateString","params","date","user","attr","activity","titleString","tracking","completionTracking","renderPix","oppositeState","find","remove","children","replaceWith","catch","exception","setOverride","hidden","focus","destroy","show","init","fullName","each","index","element","events","activate"],"mappings":";;;;;;;;;AAwBAA,6CAAO,CAAC,SAAU,YAAa,WAAY,qBAAsB,oBAAqB,oBAC9E,iCAAkC,mBACtC,SAASC,EAAGC,KAAMC,IAAKC,aAAcC,YAAaC,aAAcC,aAAcC,eAMtEC,aAMAC,eAmEAC,YAAc,SAASC,EAAGC,MAC1BA,KAAKC,cAAcC,iBACnBF,KAAKC,cAAcE,kBACnBJ,EAAEG,iBACFH,EAAEI,sBAGEC,UADJP,eAAiBT,EAAEW,EAAEM,gBACSL,KAAK,eAAeM,MAAM,KACpDC,SAAW,CACXC,OAAQJ,SAAS,GACjBK,KAAML,SAAS,GACfM,SAAUN,SAAS,IAEnBO,YAAoC,GAArBJ,SAASG,SAAiB,eAAiB,eAE9DpB,IAAIsB,YAAY,CACZ,CAACC,IAAKF,YAAaG,UAAW,gBAC/BC,MAAK,SAASC,gBACN1B,IAAIsB,YAAY,CACnB,CAACC,IAAK,UAAWC,UAAW,UAC5B,CAACD,IAAK,+BAAgCC,UAAW,aAAcG,MAAOD,QAAQ,SAEnFD,MAAK,SAASC,gBAENzB,aAAa2B,OAAO,CACvBC,KAAM5B,aAAa6B,MAAMC,YACzBC,MAAON,QAAQ,GACfO,KAAMP,QAAQ,QAEnBD,MAAK,SAASS,OAIbA,MAAMC,UAAUC,GAAGlC,YAAYmC,MAAM,YAhF3B,SAASpB,UAEvBZ,UAAUiC,OAAO,eAAgB,IAAIb,MAAK,SAASc,aAE/ChC,eAAeiC,OAAOD,MAGfxC,KAAK0C,KAAK,CAAC,CACdC,WAAY,sDACZC,KAAM1B,YACN,MACLQ,MAAK,SAASmB,aACTC,gBAAmBD,QAAQE,MAAQ,EAAK,EAAI,EAG5CC,WAAaF,gBAAkB,wBAA0B,wBAC7D7C,IAAIgD,WAAWD,WAAY,aAAczC,cAAcmB,MAAK,SAASwB,iBAC7DC,OAAS,CACTJ,MAAOG,YACPE,KAAM,GACNC,KAAM7C,eAAe8C,KAAK,qBAC1BC,SAAU/C,eAAe8C,KAAK,6BAE3BrD,IAAIgD,WAAW,iBAAkB,aAAcE,WACvDzB,MAAK,SAAS8B,iBAlCiBC,SAmC1BC,mBAAqBlD,eAAe8C,KAAK,kCACtChD,UAAUqD,WApCaF,SAoCkCC,mBAAjBZ,gBAnCxC,EAAI,gBAAkBW,SAAW,cAAgB,gBAAkBA,SAAW,eAmCA,OAAQD,gBAC9F9B,MAAK,SAASc,UACToB,cAAgBd,gBAAkB,EAAI,EAAI,EAC9CtC,eAAeqD,KAAK,iBAAiBC,SACrCtD,eAAeG,KAAK,cAAeO,SAASC,OAAS,IAAMD,SAASE,KAAO,IAAMwC,eACjFpD,eAAe8C,KAAK,mBAAoBpC,SAASC,OAAS,IAAMD,SAASE,KAAO,IAAMwC,eACtFpD,eAAeuD,SAAS,OAAOC,YAAYxB,SAE5CyB,MAAM7D,aAAa8D,cAGvBD,MAAM7D,aAAa8D,WA4CdC,CAAYjD,aAIhBiB,MAAMC,UAAUC,GAAGlC,YAAYiE,QAAQ,WACnC5D,eAAe6D,QACflC,MAAMmC,aAIVnC,MAAMoC,UAEPN,MAAM7D,aAAa8D,kBAwBsC,CAC5DM,KAhBO,SAASC,UAChBlE,aAAekE,SAGf1E,EAAE,sCAAsC2E,MAAK,SAASC,MAAOC,SACzDvE,aAAaP,OAAO8E,QAAS,CAACvE,aAAawE,OAAOC,cAKtD/E,EAAE,wBAAwBsC,GAAGhC,aAAawE,OAAOC,SAAU,iBAAiB,SAASpE,EAAGC,MACpFF,YAAYC,EAAGC"}
\ No newline at end of file
diff --git a/search/amd/build/form-search-user-selector.min.js b/search/amd/build/form-search-user-selector.min.js
index 1e618384d84..6cdb15e2cd9 100644
--- a/search/amd/build/form-search-user-selector.min.js
+++ b/search/amd/build/form-search-user-selector.min.js
@@ -1,2 +1,12 @@
-define ("core_search/form-search-user-selector",["jquery","core/ajax","core/templates"],function(a,b,c){return{processResults:function processResults(b,c){var d=[];a.each(c,function(a,b){d.push({value:b.id,label:b._label})});return d},transport:function transport(d,e,f,g){var h,i={query:e},j=a(d).attr("withincourseid");if("undefined"!=typeof j&&""!==a("#id_searchwithin").val()){i.courseid=j}else{i.courseid=0}h=b.call([{methodname:"core_search_get_relevant_users",args:i}]);h[0].then(function(b){var d=[];a.each(b,function(a,b){d.push(c.render("core_search/form-user-selector-suggestion",b))});return a.when.apply(a.when,d).then(function(){var c=arguments,d=0;a.each(b,function(a,b){b._label=c[d++]});f(b)})}).fail(g)}}});
-//# sourceMappingURL=form-search-user-selector.min.js.map
+/**
+ * Search user selector module.
+ *
+ * @module core_search/form-search-user-selector
+ * @class form-search-user-selector
+ * @package core_search
+ * @copyright 2017 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_search/form-search-user-selector",["jquery","core/ajax","core/templates"],(function($,Ajax,Templates){return{processResults:function(selector,results){var users=[];return $.each(results,(function(index,user){users.push({value:user.id,label:user._label})})),users},transport:function(selector,query,success,failure){var args={query:query},courseid=$(selector).attr("withincourseid");void 0!==courseid&&""!==$("#id_searchwithin").val()?args.courseid=courseid:args.courseid=0,Ajax.call([{methodname:"core_search_get_relevant_users",args:args}])[0].then((function(results){var promises=[];return $.each(results,(function(index,user){promises.push(Templates.render("core_search/form-user-selector-suggestion",user))})),$.when.apply($.when,promises).then((function(){var args=arguments,i=0;$.each(results,(function(index,user){user._label=args[i++]})),success(results)}))})).fail(failure)}}}));
+
+//# sourceMappingURL=form-search-user-selector.min.js.map
\ No newline at end of file
diff --git a/search/amd/build/form-search-user-selector.min.js.map b/search/amd/build/form-search-user-selector.min.js.map
index 9c99255fff5..1007a990323 100644
--- a/search/amd/build/form-search-user-selector.min.js.map
+++ b/search/amd/build/form-search-user-selector.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/form-search-user-selector.js"],"names":["define","$","Ajax","Templates","processResults","selector","results","users","each","index","user","push","value","id","label","_label","transport","query","success","failure","promise","args","courseid","attr","val","call","methodname","then","promises","render","when","apply","arguments","i","fail"],"mappings":"AAyBAA,OAAM,yCAAC,CAAC,QAAD,CAAW,WAAX,CAAwB,gBAAxB,CAAD,CAA4C,SAASC,CAAT,CAAYC,CAAZ,CAAkBC,CAAlB,CAA6B,CAE3E,MAAkE,CAE9DC,cAAc,CAAE,wBAASC,CAAT,CAAmBC,CAAnB,CAA4B,CACxC,GAAIC,CAAAA,CAAK,CAAG,EAAZ,CACAN,CAAC,CAACO,IAAF,CAAOF,CAAP,CAAgB,SAASG,CAAT,CAAgBC,CAAhB,CAAsB,CAClCH,CAAK,CAACI,IAAN,CAAW,CACPC,KAAK,CAAEF,CAAI,CAACG,EADL,CAEPC,KAAK,CAAEJ,CAAI,CAACK,MAFL,CAAX,CAIH,CALD,EAMA,MAAOR,CAAAA,CACV,CAX6D,CAa9DS,SAAS,CAAE,mBAASX,CAAT,CAAmBY,CAAnB,CAA0BC,CAA1B,CAAmCC,CAAnC,CAA4C,IAC/CC,CAAAA,CAD+C,CAK/CC,CAAI,CAAG,CAACJ,KAAK,CAAEA,CAAR,CALwC,CAM/CK,CAAQ,CAAGrB,CAAC,CAACI,CAAD,CAAD,CAAYkB,IAAZ,CAAiB,gBAAjB,CANoC,CAOnD,GAAwB,WAApB,QAAOD,CAAAA,CAAP,EAAmE,EAAhC,GAAArB,CAAC,CAAC,kBAAD,CAAD,CAAsBuB,GAAtB,EAAvC,CAA2E,CACvEH,CAAI,CAACC,QAAL,CAAgBA,CACnB,CAFD,IAEO,CACHD,CAAI,CAACC,QAAL,CAAgB,CACnB,CAGDF,CAAO,CAAGlB,CAAI,CAACuB,IAAL,CAAU,CAAC,CAACC,UAAU,CAAE,gCAAb,CAA+CL,IAAI,CAAEA,CAArD,CAAD,CAAV,CAAV,CAGAD,CAAO,CAAC,CAAD,CAAP,CAAWO,IAAX,CAAgB,SAASrB,CAAT,CAAkB,CAC9B,GAAIsB,CAAAA,CAAQ,CAAG,EAAf,CAGA3B,CAAC,CAACO,IAAF,CAAOF,CAAP,CAAgB,SAASG,CAAT,CAAgBC,CAAhB,CAAsB,CAClCkB,CAAQ,CAACjB,IAAT,CAAcR,CAAS,CAAC0B,MAAV,CAAiB,2CAAjB,CAA8DnB,CAA9D,CAAd,CACH,CAFD,EAKA,MAAOT,CAAAA,CAAC,CAAC6B,IAAF,CAAOC,KAAP,CAAa9B,CAAC,CAAC6B,IAAf,CAAqBF,CAArB,EAA+BD,IAA/B,CAAoC,UAAW,IAC9CN,CAAAA,CAAI,CAAGW,SADuC,CAE9CC,CAAC,CAAG,CAF0C,CAGlDhC,CAAC,CAACO,IAAF,CAAOF,CAAP,CAAgB,SAASG,CAAT,CAAgBC,CAAhB,CAAsB,CAClCA,CAAI,CAACK,MAAL,CAAcM,CAAI,CAACY,CAAC,EAAF,CACrB,CAFD,EAGAf,CAAO,CAACZ,CAAD,CAEV,CARM,CAUV,CAnBD,EAmBG4B,IAnBH,CAmBQf,CAnBR,CAoBH,CAlD6D,CAsDrE,CAxDK,CAAN","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Search user selector module.\n *\n * @module core_search/form-search-user-selector\n * @class form-search-user-selector\n * @package core_search\n * @copyright 2017 The Open University\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/templates'], function($, Ajax, Templates) {\n\n    return /** @alias module:core_search/form-search-user-selector */ {\n\n        processResults: function(selector, results) {\n            var users = [];\n            $.each(results, function(index, user) {\n                users.push({\n                    value: user.id,\n                    label: user._label\n                });\n            });\n            return users;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise;\n\n            // Search within specific course if known and if the 'search within' dropdown is set\n            // to search within course or activity.\n            var args = {query: query};\n            var courseid = $(selector).attr('withincourseid');\n            if (typeof courseid !== \"undefined\" && $('#id_searchwithin').val() !== '') {\n                args.courseid = courseid;\n            } else {\n                args.courseid = 0;\n            }\n\n            // Call AJAX request.\n            promise = Ajax.call([{methodname: 'core_search_get_relevant_users', args: args}]);\n\n            // When AJAX request returns, handle the results.\n            promise[0].then(function(results) {\n                var promises = [];\n\n                // Render label with user name and picture.\n                $.each(results, function(index, user) {\n                    promises.push(Templates.render('core_search/form-user-selector-suggestion', user));\n                });\n\n                // Apply the label to the results.\n                return $.when.apply($.when, promises).then(function() {\n                    var args = arguments;\n                    var i = 0;\n                    $.each(results, function(index, user) {\n                        user._label = args[i++];\n                    });\n                    success(results);\n                    return;\n                });\n\n            }).fail(failure);\n        }\n\n    };\n\n});\n"],"file":"form-search-user-selector.min.js"}
\ No newline at end of file
+{"version":3,"file":"form-search-user-selector.min.js","sources":["../src/form-search-user-selector.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Search user selector module.\n *\n * @module core_search/form-search-user-selector\n * @class form-search-user-selector\n * @package core_search\n * @copyright 2017 The Open University\n * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\ndefine(['jquery', 'core/ajax', 'core/templates'], function($, Ajax, Templates) {\n\n    return /** @alias module:core_search/form-search-user-selector */ {\n\n        processResults: function(selector, results) {\n            var users = [];\n            $.each(results, function(index, user) {\n                users.push({\n                    value: user.id,\n                    label: user._label\n                });\n            });\n            return users;\n        },\n\n        transport: function(selector, query, success, failure) {\n            var promise;\n\n            // Search within specific course if known and if the 'search within' dropdown is set\n            // to search within course or activity.\n            var args = {query: query};\n            var courseid = $(selector).attr('withincourseid');\n            if (typeof courseid !== \"undefined\" && $('#id_searchwithin').val() !== '') {\n                args.courseid = courseid;\n            } else {\n                args.courseid = 0;\n            }\n\n            // Call AJAX request.\n            promise = Ajax.call([{methodname: 'core_search_get_relevant_users', args: args}]);\n\n            // When AJAX request returns, handle the results.\n            promise[0].then(function(results) {\n                var promises = [];\n\n                // Render label with user name and picture.\n                $.each(results, function(index, user) {\n                    promises.push(Templates.render('core_search/form-user-selector-suggestion', user));\n                });\n\n                // Apply the label to the results.\n                return $.when.apply($.when, promises).then(function() {\n                    var args = arguments;\n                    var i = 0;\n                    $.each(results, function(index, user) {\n                        user._label = args[i++];\n                    });\n                    success(results);\n                    return;\n                });\n\n            }).fail(failure);\n        }\n\n    };\n\n});\n"],"names":["define","$","Ajax","Templates","processResults","selector","results","users","each","index","user","push","value","id","label","_label","transport","query","success","failure","args","courseid","attr","val","call","methodname","then","promises","render","when","apply","arguments","i","fail"],"mappings":";;;;;;;;;AAyBAA,+CAAO,CAAC,SAAU,YAAa,mBAAmB,SAASC,EAAGC,KAAMC,iBAEE,CAE9DC,eAAgB,SAASC,SAAUC,aAC3BC,MAAQ,UACZN,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BH,MAAMI,KAAK,CACPC,MAAOF,KAAKG,GACZC,MAAOJ,KAAKK,YAGbR,OAGXS,UAAW,SAASX,SAAUY,MAAOC,QAASC,aAKtCC,KAAO,CAACH,MAAOA,OACfI,SAAWpB,EAAEI,UAAUiB,KAAK,uBACR,IAAbD,UAA4D,KAAhCpB,EAAE,oBAAoBsB,MACzDH,KAAKC,SAAWA,SAEhBD,KAAKC,SAAW,EAIVnB,KAAKsB,KAAK,CAAC,CAACC,WAAY,iCAAkCL,KAAMA,QAGlE,GAAGM,MAAK,SAASpB,aACjBqB,SAAW,UAGf1B,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BiB,SAAShB,KAAKR,UAAUyB,OAAO,4CAA6ClB,UAIzET,EAAE4B,KAAKC,MAAM7B,EAAE4B,KAAMF,UAAUD,MAAK,eACnCN,KAAOW,UACPC,EAAI,EACR/B,EAAEO,KAAKF,SAAS,SAASG,MAAOC,MAC5BA,KAAKK,OAASK,KAAKY,QAEvBd,QAAQZ,eAIb2B,KAAKd"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/aria.min.js b/theme/boost/amd/build/aria.min.js
index 4cefcecdc45..7a1c25e27cd 100644
--- a/theme/boost/amd/build/aria.min.js
+++ b/theme/boost/amd/build/aria.min.js
@@ -1,2 +1,10 @@
-define ("theme_boost/aria",["exports","core/key_codes","jquery","core/pending"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;c=e(c);d=e(d);function e(a){return a&&a.__esModule?a:{default:a}}var f=function(){var a=!1,e=function(){a=!0},f=function(){var b=a;a=!1;return b};document.addEventListener("keydown",function(a){if(a.target.matches("[data-toggle=\"dropdown\"]")){var c=a.which;if(c==b.arrowUp){e()}if(c==b.space||c==b.enter){a.preventDefault();a.target.click()}}});var g=function(a){setTimeout(function delayedFocus(b){a.focus();b.resolve()},50,new d.default("core/aria:delayed-focus"))};(0,c.default)(".dropdown").on("shown.bs.dropdown",function(a){var b=a.target.querySelector("[role=\"menu\"]"),c=!1,d=!1;if(b){c=b.querySelectorAll("[role=\"menuitem\"]")}if(c&&0<c.length){if(f()){d=c[c.length-1]}else{d=c[0]}}if(d){g(d)}});document.addEventListener("keypress",function(a){if(a.target.matches(".dropdown [role=\"menu\"] [role=\"menuitem\"]")){var b=String.fromCharCode(a.which).toLowerCase(),c=a.target.closest("[role=\"menu\"]");if(!c){return}var f=c.querySelectorAll("[role=\"menuitem\"]");if(!f){return}for(var h=0;h<f.length;h++){var d=f[h],e=d.text.trim().toLowerCase();if(0==e.indexOf(b)){g(d);break}}}});document.addEventListener("keydown",function(a){if(a.target.matches(".dropdown [role=\"menu\"] [role=\"menuitem\"]")){var c=a.which,d=!1,e=a.target.closest("[role=\"menu\"]");if(!e){return}var f=e.querySelectorAll("[role=\"menuitem\"]");if(!f){return}if(c==b.arrowDown){for(var h=0;h<f.length-1;h++){if(f[h]==a.target){d=f[h+1];break}}if(!d){d=f[0]}}else if(c==b.arrowUp){for(var i=1;i<f.length;i++){if(f[i]==a.target){d=f[i-1];break}}if(!d){d=f[f.length-1]}}else if(c==b.home){d=f[0]}else if(c==b.end){d=f[f.length-1]}if(d){a.preventDefault();g(d)}}});(0,c.default)(".dropdown").on("hidden.bs.dropdown",function(a){var b=a.target.querySelector("[data-toggle=\"dropdown\"]");if(b){g(b)}})},g=function(){window.addEventListener("load",function(){var a=document.querySelectorAll("[data-aria-autofocus=\"true\"][role=\"alert\"]");Array.prototype.forEach.call(a,function(a){a.innerHTML+=" ";a.removeAttribute("data-aria-autofocus")})})},h=function(a){for(var d=a.target.closest("[role=\"tablist\"]"),e="vertical"==d.getAttribute("aria-orientation"),f=window.right_to_left(),g=e?b.arrowDown:f?b.arrowLeft:b.arrowRight,h=e?b.arrowUp:f?b.arrowRight:b.arrowLeft,j=Array.prototype.filter.call(d.querySelectorAll("[role=\"tab\"]"),function(a){return"none"!==getComputedStyle(a).display}),k=0;k<j.length;k++){j[k].index=k}switch(a.keyCode){case g:a.preventDefault();if(a.target.index!==void 0&&j[a.target.index+1]){j[a.target.index+1].focus()}else{j[0].focus()}break;case h:a.preventDefault();if(a.target.index!==void 0&&j[a.target.index-1]){j[a.target.index-1].focus()}else{j[j.length-1].focus()}break;case b.home:a.preventDefault();j[0].focus();break;case b.end:a.preventDefault();j[j.length-1].focus();break;case b.enter:case b.space:a.preventDefault();(0,c.default)(a.target).tab("show");j.forEach(function(a){a.tabIndex=-1});a.target.tabIndex=0;}},i=function(){document.addEventListener("keydown",function(a){if([b.arrowUp,b.arrowDown,b.arrowLeft,b.arrowRight,b.home,b.end,b.enter,b.space].includes(a.keyCode)){if(a.target.matches("[role=\"tablist\"] [role=\"tab\"]")){h(a)}}});document.addEventListener("click",function(a){if(a.target.matches("[role=\"tablist\"] [role=\"tab\"]")){var b=a.target.closest("[role=\"tablist\"]").querySelectorAll("[role=\"tab\"]");a.preventDefault();(0,c.default)(a.target).tab("show");b.forEach(function(a){a.tabIndex=-1});a.target.tabIndex=0}})};a.init=function init(){f();g();i()}});
-//# sourceMappingURL=aria.min.js.map
+define("theme_boost/aria",["exports","core/key_codes","jquery","core/pending"],(function(_exports,_key_codes,_jquery,_pending){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Enhancements to Bootstrap components for accessibility.
+   *
+   * @module     theme_boost/aria
+   * @copyright  2018 Damyon Wiese <damyon@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,_jquery=_interopRequireDefault(_jquery),_pending=_interopRequireDefault(_pending);var dropdownFix=function(){var focusEnd=!1;document.addEventListener("keydown",(function(e){if(e.target.matches('[data-toggle="dropdown"]')){var trigger=e.which;trigger==_key_codes.arrowUp&&(focusEnd=!0),trigger!=_key_codes.space&&trigger!=_key_codes.enter||(e.preventDefault(),e.target.click())}}));var shiftFocus=function(element){setTimeout((function(pendingPromise){element.focus(),pendingPromise.resolve()}),50,new _pending.default("core/aria:delayed-focus"))};(0,_jquery.default)(".dropdown").on("shown.bs.dropdown",(function(e){var result,menu=e.target.querySelector('[role="menu"]'),menuItems=!1,foundMenuItem=!1;menu&&(menuItems=menu.querySelectorAll('[role="menuitem"]')),menuItems&&menuItems.length>0&&(result=focusEnd,focusEnd=!1,foundMenuItem=result?menuItems[menuItems.length-1]:menuItems[0]),foundMenuItem&&shiftFocus(foundMenuItem)})),document.addEventListener("keypress",(function(e){if(e.target.matches('.dropdown [role="menu"] [role="menuitem"]')){var trigger=String.fromCharCode(e.which).toLowerCase(),menu=e.target.closest('[role="menu"]');if(!menu)return;var menuItems=menu.querySelectorAll('[role="menuitem"]');if(!menuItems)return;for(var i=0;i<menuItems.length;i++){var item=menuItems[i];if(0==item.text.trim().toLowerCase().indexOf(trigger)){shiftFocus(item);break}}}})),document.addEventListener("keydown",(function(e){if(e.target.matches('.dropdown [role="menu"] [role="menuitem"]')){var trigger=e.which,next=!1,menu=e.target.closest('[role="menu"]');if(!menu)return;var menuItems=menu.querySelectorAll('[role="menuitem"]');if(!menuItems)return;if(trigger==_key_codes.arrowDown){for(var i=0;i<menuItems.length-1;i++)if(menuItems[i]==e.target){next=menuItems[i+1];break}next||(next=menuItems[0])}else if(trigger==_key_codes.arrowUp){for(var _i=1;_i<menuItems.length;_i++)if(menuItems[_i]==e.target){next=menuItems[_i-1];break}next||(next=menuItems[menuItems.length-1])}else trigger==_key_codes.home?next=menuItems[0]:trigger==_key_codes.end&&(next=menuItems[menuItems.length-1]);next&&(e.preventDefault(),shiftFocus(next))}else;})),(0,_jquery.default)(".dropdown").on("hidden.bs.dropdown",(function(e){var trigger=e.target.querySelector('[data-toggle="dropdown"]');trigger&&shiftFocus(trigger)}))},tabElementFix=function(){document.addEventListener("keydown",(function(e){[_key_codes.arrowUp,_key_codes.arrowDown,_key_codes.arrowLeft,_key_codes.arrowRight,_key_codes.home,_key_codes.end,_key_codes.enter,_key_codes.space].includes(e.keyCode)&&e.target.matches('[role="tablist"] [role="tab"]')&&function(e){for(var tabList=e.target.closest('[role="tablist"]'),vertical="vertical"==tabList.getAttribute("aria-orientation"),rtl=window.right_to_left(),arrowNext=vertical?_key_codes.arrowDown:rtl?_key_codes.arrowLeft:_key_codes.arrowRight,arrowPrevious=vertical?_key_codes.arrowUp:rtl?_key_codes.arrowRight:_key_codes.arrowLeft,tabs=Array.prototype.filter.call(tabList.querySelectorAll('[role="tab"]'),(function(tab){return"none"!==getComputedStyle(tab).display})),i=0;i<tabs.length;i++)tabs[i].index=i;switch(e.keyCode){case arrowNext:e.preventDefault(),void 0!==e.target.index&&tabs[e.target.index+1]?tabs[e.target.index+1].focus():tabs[0].focus();break;case arrowPrevious:e.preventDefault(),void 0!==e.target.index&&tabs[e.target.index-1]?tabs[e.target.index-1].focus():tabs[tabs.length-1].focus();break;case _key_codes.home:e.preventDefault(),tabs[0].focus();break;case _key_codes.end:e.preventDefault(),tabs[tabs.length-1].focus();break;case _key_codes.enter:case _key_codes.space:e.preventDefault(),(0,_jquery.default)(e.target).tab("show"),tabs.forEach((function(tab){tab.tabIndex=-1})),e.target.tabIndex=0}}(e)})),document.addEventListener("click",(function(e){if(e.target.matches('[role="tablist"] [role="tab"]')){var tabs=e.target.closest('[role="tablist"]').querySelectorAll('[role="tab"]');e.preventDefault(),(0,_jquery.default)(e.target).tab("show"),tabs.forEach((function(tab){tab.tabIndex=-1})),e.target.tabIndex=0}}))};_exports.init=function(){dropdownFix(),window.addEventListener("load",(function(){var alerts=document.querySelectorAll('[data-aria-autofocus="true"][role="alert"]');Array.prototype.forEach.call(alerts,(function(autofocusElement){autofocusElement.innerHTML+=" ",autofocusElement.removeAttribute("data-aria-autofocus")}))})),tabElementFix()}}));
+
+//# sourceMappingURL=aria.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/aria.min.js.map b/theme/boost/amd/build/aria.min.js.map
index 8d1f455d076..9639c8ead85 100644
--- a/theme/boost/amd/build/aria.min.js.map
+++ b/theme/boost/amd/build/aria.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enhancements to Bootstrap components for accessibility.\n *\n * @module     theme_boost/aria\n * @copyright  2018 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {end, arrowUp, arrowDown, arrowLeft, arrowRight, home, enter, space} from 'core/key_codes';\nimport $ from 'jquery';\nimport Pending from 'core/pending';\n\n/**\n * Drop downs from bootstrap don't support keyboard accessibility by default.\n */\nconst dropdownFix = () => {\n    let focusEnd = false;\n    const setFocusEnd = () => {\n        focusEnd = true;\n    };\n    const getFocusEnd = () => {\n        const result = focusEnd;\n        focusEnd = false;\n        return result;\n    };\n\n    // Special handling for \"up\" keyboard control.\n    document.addEventListener('keydown', e => {\n        if (e.target.matches('[data-toggle=\"dropdown\"]')) {\n            const trigger = e.which;\n\n            // Up key opens the menu at the end.\n            if (trigger == arrowUp) {\n                // Focus the end of the menu, not the beginning.\n                setFocusEnd();\n            }\n\n            // Space key or Enter key opens the menu.\n            if (trigger == space || trigger == enter) {\n                // Cancel random scroll.\n                e.preventDefault();\n                // Open the menu instead.\n                e.target.click();\n            }\n        }\n    });\n\n    // Special handling for navigation keys when menu is open.\n    const shiftFocus = element => {\n        const delayedFocus = pendingPromise => {\n            element.focus();\n            pendingPromise.resolve();\n        };\n        setTimeout(delayedFocus, 50, new Pending('core/aria:delayed-focus'));\n    };\n\n    $('.dropdown').on('shown.bs.dropdown', e => {\n        // We need to focus on the first menuitem.\n        const menu = e.target.querySelector('[role=\"menu\"]');\n        let menuItems = false;\n        let foundMenuItem = false;\n\n        if (menu) {\n            menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n        }\n        if (menuItems && menuItems.length > 0) {\n            if (getFocusEnd()) {\n                foundMenuItem = menuItems[menuItems.length - 1];\n            } else {\n                // The first menu entry, pretty reasonable.\n                foundMenuItem = menuItems[0];\n            }\n        }\n        if (foundMenuItem) {\n            shiftFocus(foundMenuItem);\n        }\n    });\n    // Search for menu items by finding the first item that has\n    // text starting with the typed character (case insensitive).\n    document.addEventListener('keypress', e => {\n        if (e.target.matches('.dropdown [role=\"menu\"] [role=\"menuitem\"]')) {\n            const trigger = String.fromCharCode(e.which).toLowerCase();\n            const menu = e.target.closest('[role=\"menu\"]');\n\n            if (!menu) {\n                return;\n            }\n            const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n            if (!menuItems) {\n                return;\n            }\n\n            for (let i = 0; i < menuItems.length; i++) {\n                const item = menuItems[i];\n                const itemText = item.text.trim().toLowerCase();\n                if (itemText.indexOf(trigger) == 0) {\n                    shiftFocus(item);\n                    break;\n                }\n            }\n        }\n    });\n\n    // Keyboard navigation for arrow keys, home and end keys.\n    document.addEventListener('keydown', e => {\n        if (e.target.matches('.dropdown [role=\"menu\"] [role=\"menuitem\"]')) {\n            const trigger = e.which;\n            let next = false;\n            const menu = e.target.closest('[role=\"menu\"]');\n\n            if (!menu) {\n                return;\n            }\n            const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n            if (!menuItems) {\n                return;\n            }\n            // Down key.\n            if (trigger == arrowDown) {\n                for (let i = 0; i < menuItems.length - 1; i++) {\n                    if (menuItems[i] == e.target) {\n                        next = menuItems[i + 1];\n                        break;\n                    }\n                }\n                if (!next) {\n                    // Wrap to first item.\n                    next = menuItems[0];\n                }\n\n            } else if (trigger == arrowUp) {\n                // Up key.\n                for (let i = 1; i < menuItems.length; i++) {\n                    if (menuItems[i] == e.target) {\n                        next = menuItems[i - 1];\n                        break;\n                    }\n                }\n                if (!next) {\n                    // Wrap to last item.\n                    next = menuItems[menuItems.length - 1];\n                }\n\n            } else if (trigger == home) {\n                // Home key.\n                next = menuItems[0];\n\n            } else if (trigger == end) {\n                // End key.\n                next = menuItems[menuItems.length - 1];\n            }\n            // Variable next is set if we do want to act on the keypress.\n            if (next) {\n                e.preventDefault();\n                shiftFocus(next);\n            }\n            return;\n        }\n    });\n\n    $('.dropdown').on('hidden.bs.dropdown', e => {\n        // We need to focus on the menu trigger.\n        const trigger = e.target.querySelector('[data-toggle=\"dropdown\"]');\n        if (trigger) {\n            shiftFocus(trigger);\n        }\n    });\n};\n\n/**\n * After page load, focus on any element with special autofocus attribute.\n */\nconst autoFocus = () => {\n    window.addEventListener(\"load\", () => {\n        const alerts = document.querySelectorAll('[data-aria-autofocus=\"true\"][role=\"alert\"]');\n        Array.prototype.forEach.call(alerts, autofocusElement => {\n            // According to the specification an role=\"alert\" region is only read out on change to the content\n            // of that region.\n            autofocusElement.innerHTML += ' ';\n            autofocusElement.removeAttribute('data-aria-autofocus');\n        });\n    });\n};\n\n/**\n * Changes the focus to the correct tab based on the key that is pressed.\n * @param {KeyboardEvent} e\n */\nconst updateTabFocus = e => {\n    const tabList = e.target.closest('[role=\"tablist\"]');\n    const vertical = tabList.getAttribute('aria-orientation') == 'vertical';\n    const rtl = window.right_to_left();\n    const arrowNext = vertical ? arrowDown : (rtl ? arrowLeft : arrowRight);\n    const arrowPrevious = vertical ? arrowUp : (rtl ? arrowRight : arrowLeft);\n    const tabs = Array.prototype.filter.call(\n        tabList.querySelectorAll('[role=\"tab\"]'),\n        tab => getComputedStyle(tab).display !== 'none'); // We only work with the visible tabs.\n\n    for (let i = 0; i < tabs.length; i++) {\n        tabs[i].index = i;\n    }\n\n    switch (e.keyCode) {\n        case arrowNext:\n            e.preventDefault();\n            if (e.target.index !== undefined && tabs[e.target.index + 1]) {\n                tabs[e.target.index + 1].focus();\n            } else {\n                tabs[0].focus();\n            }\n            break;\n        case arrowPrevious:\n            e.preventDefault();\n            if (e.target.index !== undefined && tabs[e.target.index - 1]) {\n                tabs[e.target.index - 1].focus();\n            } else {\n                tabs[tabs.length - 1].focus();\n            }\n            break;\n        case home:\n            e.preventDefault();\n            tabs[0].focus();\n            break;\n        case end:\n            e.preventDefault();\n            tabs[tabs.length - 1].focus();\n            break;\n        case enter:\n        case space:\n            e.preventDefault();\n            $(e.target).tab('show');\n            tabs.forEach(tab => {\n                tab.tabIndex = -1;\n            });\n            e.target.tabIndex = 0;\n    }\n};\n\n/**\n * Fix accessibility issues regarding tab elements focus and their tab order in Bootstrap navs.\n */\nconst tabElementFix = () => {\n    document.addEventListener('keydown', e => {\n        if ([arrowUp, arrowDown, arrowLeft, arrowRight, home, end, enter, space].includes(e.keyCode)) {\n            if (e.target.matches('[role=\"tablist\"] [role=\"tab\"]')) {\n                updateTabFocus(e);\n            }\n        }\n    });\n\n    document.addEventListener('click', e => {\n        if (e.target.matches('[role=\"tablist\"] [role=\"tab\"]')) {\n            const tabs = e.target.closest('[role=\"tablist\"]').querySelectorAll('[role=\"tab\"]');\n            e.preventDefault();\n            $(e.target).tab('show');\n            tabs.forEach(tab => {\n                tab.tabIndex = -1;\n            });\n            e.target.tabIndex = 0;\n        }\n    });\n};\n\nexport const init = () => {\n    dropdownFix();\n    autoFocus();\n    tabElementFix();\n};\n"],"file":"aria.min.js"}
\ No newline at end of file
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If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Enhancements to Bootstrap components for accessibility.\n *\n * @module     theme_boost/aria\n * @copyright  2018 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport {end, arrowUp, arrowDown, arrowLeft, arrowRight, home, enter, space} from 'core/key_codes';\nimport $ from 'jquery';\nimport Pending from 'core/pending';\n\n/**\n * Drop downs from bootstrap don't support keyboard accessibility by default.\n */\nconst dropdownFix = () => {\n    let focusEnd = false;\n    const setFocusEnd = () => {\n        focusEnd = true;\n    };\n    const getFocusEnd = () => {\n        const result = focusEnd;\n        focusEnd = false;\n        return result;\n    };\n\n    // Special handling for \"up\" keyboard control.\n    document.addEventListener('keydown', e => {\n        if (e.target.matches('[data-toggle=\"dropdown\"]')) {\n            const trigger = e.which;\n\n            // Up key opens the menu at the end.\n            if (trigger == arrowUp) {\n                // Focus the end of the menu, not the beginning.\n                setFocusEnd();\n            }\n\n            // Space key or Enter key opens the menu.\n            if (trigger == space || trigger == enter) {\n                // Cancel random scroll.\n                e.preventDefault();\n                // Open the menu instead.\n                e.target.click();\n            }\n        }\n    });\n\n    // Special handling for navigation keys when menu is open.\n    const shiftFocus = element => {\n        const delayedFocus = pendingPromise => {\n            element.focus();\n            pendingPromise.resolve();\n        };\n        setTimeout(delayedFocus, 50, new Pending('core/aria:delayed-focus'));\n    };\n\n    $('.dropdown').on('shown.bs.dropdown', e => {\n        // We need to focus on the first menuitem.\n        const menu = e.target.querySelector('[role=\"menu\"]');\n        let menuItems = false;\n        let foundMenuItem = false;\n\n        if (menu) {\n            menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n        }\n        if (menuItems && menuItems.length > 0) {\n            if (getFocusEnd()) {\n                foundMenuItem = menuItems[menuItems.length - 1];\n            } else {\n                // The first menu entry, pretty reasonable.\n                foundMenuItem = menuItems[0];\n            }\n        }\n        if (foundMenuItem) {\n            shiftFocus(foundMenuItem);\n        }\n    });\n    // Search for menu items by finding the first item that has\n    // text starting with the typed character (case insensitive).\n    document.addEventListener('keypress', e => {\n        if (e.target.matches('.dropdown [role=\"menu\"] [role=\"menuitem\"]')) {\n            const trigger = String.fromCharCode(e.which).toLowerCase();\n            const menu = e.target.closest('[role=\"menu\"]');\n\n            if (!menu) {\n                return;\n            }\n            const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n            if (!menuItems) {\n                return;\n            }\n\n            for (let i = 0; i < menuItems.length; i++) {\n                const item = menuItems[i];\n                const itemText = item.text.trim().toLowerCase();\n                if (itemText.indexOf(trigger) == 0) {\n                    shiftFocus(item);\n                    break;\n                }\n            }\n        }\n    });\n\n    // Keyboard navigation for arrow keys, home and end keys.\n    document.addEventListener('keydown', e => {\n        if (e.target.matches('.dropdown [role=\"menu\"] [role=\"menuitem\"]')) {\n            const trigger = e.which;\n            let next = false;\n            const menu = e.target.closest('[role=\"menu\"]');\n\n            if (!menu) {\n                return;\n            }\n            const menuItems = menu.querySelectorAll('[role=\"menuitem\"]');\n            if (!menuItems) {\n                return;\n            }\n            // Down key.\n            if (trigger == arrowDown) {\n                for (let i = 0; i < menuItems.length - 1; i++) {\n                    if (menuItems[i] == e.target) {\n                        next = menuItems[i + 1];\n                        break;\n                    }\n                }\n                if (!next) {\n                    // Wrap to first item.\n                    next = menuItems[0];\n                }\n\n            } else if (trigger == arrowUp) {\n                // Up key.\n                for (let i = 1; i < menuItems.length; i++) {\n                    if (menuItems[i] == e.target) {\n                        next = menuItems[i - 1];\n                        break;\n                    }\n                }\n                if (!next) {\n                    // Wrap to last item.\n                    next = menuItems[menuItems.length - 1];\n                }\n\n            } else if (trigger == home) {\n                // Home key.\n                next = menuItems[0];\n\n            } else if (trigger == end) {\n                // End key.\n                next = menuItems[menuItems.length - 1];\n            }\n            // Variable next is set if we do want to act on the keypress.\n            if (next) {\n                e.preventDefault();\n                shiftFocus(next);\n            }\n            return;\n        }\n    });\n\n    $('.dropdown').on('hidden.bs.dropdown', e => {\n        // We need to focus on the menu trigger.\n        const trigger = e.target.querySelector('[data-toggle=\"dropdown\"]');\n        if (trigger) {\n            shiftFocus(trigger);\n        }\n    });\n};\n\n/**\n * After page load, focus on any element with special autofocus attribute.\n */\nconst autoFocus = () => {\n    window.addEventListener(\"load\", () => {\n        const alerts = document.querySelectorAll('[data-aria-autofocus=\"true\"][role=\"alert\"]');\n        Array.prototype.forEach.call(alerts, autofocusElement => {\n            // According to the specification an role=\"alert\" region is only read out on change to the content\n            // of that region.\n            autofocusElement.innerHTML += ' ';\n            autofocusElement.removeAttribute('data-aria-autofocus');\n        });\n    });\n};\n\n/**\n * Changes the focus to the correct tab based on the key that is pressed.\n * @param {KeyboardEvent} e\n */\nconst updateTabFocus = e => {\n    const tabList = e.target.closest('[role=\"tablist\"]');\n    const vertical = tabList.getAttribute('aria-orientation') == 'vertical';\n    const rtl = window.right_to_left();\n    const arrowNext = vertical ? arrowDown : (rtl ? arrowLeft : arrowRight);\n    const arrowPrevious = vertical ? arrowUp : (rtl ? arrowRight : arrowLeft);\n    const tabs = Array.prototype.filter.call(\n        tabList.querySelectorAll('[role=\"tab\"]'),\n        tab => getComputedStyle(tab).display !== 'none'); // We only work with the visible tabs.\n\n    for (let i = 0; i < tabs.length; i++) {\n        tabs[i].index = i;\n    }\n\n    switch (e.keyCode) {\n        case arrowNext:\n            e.preventDefault();\n            if (e.target.index !== undefined && tabs[e.target.index + 1]) {\n                tabs[e.target.index + 1].focus();\n            } else {\n                tabs[0].focus();\n            }\n            break;\n        case arrowPrevious:\n            e.preventDefault();\n            if (e.target.index !== undefined && tabs[e.target.index - 1]) {\n                tabs[e.target.index - 1].focus();\n            } else {\n                tabs[tabs.length - 1].focus();\n            }\n            break;\n        case home:\n            e.preventDefault();\n            tabs[0].focus();\n            break;\n        case end:\n            e.preventDefault();\n            tabs[tabs.length - 1].focus();\n            break;\n        case enter:\n        case space:\n            e.preventDefault();\n            $(e.target).tab('show');\n            tabs.forEach(tab => {\n                tab.tabIndex = -1;\n            });\n            e.target.tabIndex = 0;\n    }\n};\n\n/**\n * Fix accessibility issues regarding tab elements focus and their tab order in Bootstrap navs.\n */\nconst tabElementFix = () => {\n    document.addEventListener('keydown', e => {\n        if ([arrowUp, arrowDown, arrowLeft, arrowRight, home, end, enter, space].includes(e.keyCode)) {\n            if (e.target.matches('[role=\"tablist\"] [role=\"tab\"]')) {\n                updateTabFocus(e);\n            }\n        }\n    });\n\n    document.addEventListener('click', e => {\n        if (e.target.matches('[role=\"tablist\"] [role=\"tab\"]')) {\n            const tabs = e.target.closest('[role=\"tablist\"]').querySelectorAll('[role=\"tab\"]');\n            e.preventDefault();\n            $(e.target).tab('show');\n            tabs.forEach(tab => {\n                tab.tabIndex = -1;\n            });\n            e.target.tabIndex = 0;\n        }\n    });\n};\n\nexport const init = () => {\n    dropdownFix();\n    autoFocus();\n    tabElementFix();\n};\n"],"names":["dropdownFix","focusEnd","document","addEventListener","e","target","matches","trigger","which","arrowUp","space","enter","preventDefault","click","shiftFocus","element","setTimeout","pendingPromise","focus","resolve","Pending","on","result","menu","querySelector","menuItems","foundMenuItem","querySelectorAll","length","String","fromCharCode","toLowerCase","closest","i","item","text","trim","indexOf","next","arrowDown","home","end","tabElementFix","arrowLeft","arrowRight","includes","keyCode","tabList","vertical","getAttribute","rtl","window","right_to_left","arrowNext","arrowPrevious","tabs","Array","prototype","filter","call","tab","getComputedStyle","display","index","undefined","forEach","tabIndex","updateTabFocus","alerts","autofocusElement","innerHTML","removeAttribute"],"mappings":";;;;;;;wKA8BMA,YAAc,eACZC,UAAW,EAWfC,SAASC,iBAAiB,WAAW,SAAAC,MAC7BA,EAAEC,OAAOC,QAAQ,4BAA6B,KACxCC,QAAUH,EAAEI,MAGdD,SAAWE,qBAdnBR,UAAW,GAoBHM,SAAWG,kBAASH,SAAWI,mBAE/BP,EAAEQ,iBAEFR,EAAEC,OAAOQ,iBAMfC,WAAa,SAAAC,SAKfC,YAJqB,SAAAC,gBACjBF,QAAQG,QACRD,eAAeE,YAEM,GAAI,IAAIC,iBAAQ,iDAG3C,aAAaC,GAAG,qBAAqB,SAAAjB,OAnC7BkB,OAqCAC,KAAOnB,EAAEC,OAAOmB,cAAc,iBAChCC,WAAY,EACZC,eAAgB,EAEhBH,OACAE,UAAYF,KAAKI,iBAAiB,sBAElCF,WAAaA,UAAUG,OAAS,IA5C9BN,OAASrB,SACfA,UAAW,EA6CHyB,cA5CDJ,OA4CiBG,UAAUA,UAAUG,OAAS,GAG7BH,UAAU,IAG9BC,eACAZ,WAAWY,kBAKnBxB,SAASC,iBAAiB,YAAY,SAAAC,MAC9BA,EAAEC,OAAOC,QAAQ,6CAA8C,KACzDC,QAAUsB,OAAOC,aAAa1B,EAAEI,OAAOuB,cACvCR,KAAOnB,EAAEC,OAAO2B,QAAQ,qBAEzBT,gBAGCE,UAAYF,KAAKI,iBAAiB,yBACnCF,qBAIA,IAAIQ,EAAI,EAAGA,EAAIR,UAAUG,OAAQK,IAAK,KACjCC,KAAOT,UAAUQ,MAEU,GADhBC,KAAKC,KAAKC,OAAOL,cACrBM,QAAQ9B,SAAe,CAChCO,WAAWoB,kBAQ3BhC,SAASC,iBAAiB,WAAW,SAAAC,MAC7BA,EAAEC,OAAOC,QAAQ,kDACXC,QAAUH,EAAEI,MACd8B,MAAO,EACLf,KAAOnB,EAAEC,OAAO2B,QAAQ,qBAEzBT,gBAGCE,UAAYF,KAAKI,iBAAiB,yBACnCF,oBAIDlB,SAAWgC,qBAAW,KACjB,IAAIN,EAAI,EAAGA,EAAIR,UAAUG,OAAS,EAAGK,OAClCR,UAAUQ,IAAM7B,EAAEC,OAAQ,CAC1BiC,KAAOb,UAAUQ,EAAI,SAIxBK,OAEDA,KAAOb,UAAU,SAGlB,GAAIlB,SAAWE,mBAAS,KAEtB,IAAIwB,GAAI,EAAGA,GAAIR,UAAUG,OAAQK,QAC9BR,UAAUQ,KAAM7B,EAAEC,OAAQ,CAC1BiC,KAAOb,UAAUQ,GAAI,SAIxBK,OAEDA,KAAOb,UAAUA,UAAUG,OAAS,SAGjCrB,SAAWiC,gBAElBF,KAAOb,UAAU,GAEVlB,SAAWkC,iBAElBH,KAAOb,UAAUA,UAAUG,OAAS,IAGpCU,OACAlC,EAAEQ,iBACFE,WAAWwB,oCAMrB,aAAajB,GAAG,sBAAsB,SAAAjB,OAE9BG,QAAUH,EAAEC,OAAOmB,cAAc,4BACnCjB,SACAO,WAAWP,aA6EjBmC,cAAgB,WAClBxC,SAASC,iBAAiB,WAAW,SAAAC,GAC7B,CAACK,mBAAS8B,qBAAWI,qBAAWC,sBAAYJ,gBAAMC,eAAK9B,iBAAOD,kBAAOmC,SAASzC,EAAE0C,UAC5E1C,EAAEC,OAAOC,QAAQ,kCAxDV,SAAAF,WACb2C,QAAU3C,EAAEC,OAAO2B,QAAQ,oBAC3BgB,SAAuD,YAA5CD,QAAQE,aAAa,oBAChCC,IAAMC,OAAOC,gBACbC,UAAYL,SAAWT,qBAAaW,IAAMP,qBAAYC,sBACtDU,cAAgBN,SAAWvC,mBAAWyC,IAAMN,sBAAaD,qBACzDY,KAAOC,MAAMC,UAAUC,OAAOC,KAChCZ,QAAQpB,iBAAiB,iBACzB,SAAAiC,WAAyC,SAAlCC,iBAAiBD,KAAKE,WAExB7B,EAAI,EAAGA,EAAIsB,KAAK3B,OAAQK,IAC7BsB,KAAKtB,GAAG8B,MAAQ9B,SAGZ7B,EAAE0C,cACDO,UACDjD,EAAEQ,sBACqBoD,IAAnB5D,EAAEC,OAAO0D,OAAuBR,KAAKnD,EAAEC,OAAO0D,MAAQ,GACtDR,KAAKnD,EAAEC,OAAO0D,MAAQ,GAAG7C,QAEzBqC,KAAK,GAAGrC,mBAGXoC,cACDlD,EAAEQ,sBACqBoD,IAAnB5D,EAAEC,OAAO0D,OAAuBR,KAAKnD,EAAEC,OAAO0D,MAAQ,GACtDR,KAAKnD,EAAEC,OAAO0D,MAAQ,GAAG7C,QAEzBqC,KAAKA,KAAK3B,OAAS,GAAGV,mBAGzBsB,gBACDpC,EAAEQ,iBACF2C,KAAK,GAAGrC,mBAEPuB,eACDrC,EAAEQ,iBACF2C,KAAKA,KAAK3B,OAAS,GAAGV,mBAErBP,sBACAD,iBACDN,EAAEQ,qCACAR,EAAEC,QAAQuD,IAAI,QAChBL,KAAKU,SAAQ,SAAAL,KACTA,IAAIM,UAAY,KAEpB9D,EAAEC,OAAO6D,SAAW,GAWhBC,CAAe/D,MAK3BF,SAASC,iBAAiB,SAAS,SAAAC,MAC3BA,EAAEC,OAAOC,QAAQ,iCAAkC,KAC7CiD,KAAOnD,EAAEC,OAAO2B,QAAQ,oBAAoBL,iBAAiB,gBACnEvB,EAAEQ,qCACAR,EAAEC,QAAQuD,IAAI,QAChBL,KAAKU,SAAQ,SAAAL,KACTA,IAAIM,UAAY,KAEpB9D,EAAEC,OAAO6D,SAAW,qBAKZ,WAChBlE,cA3FAmD,OAAOhD,iBAAiB,QAAQ,eACtBiE,OAASlE,SAASyB,iBAAiB,8CACzC6B,MAAMC,UAAUQ,QAAQN,KAAKS,QAAQ,SAAAC,kBAGjCA,iBAAiBC,WAAa,IAC9BD,iBAAiBE,gBAAgB,6BAuFzC7B"}
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diff --git a/theme/boost/amd/build/bootstrap/alert.min.js b/theme/boost/amd/build/bootstrap/alert.min.js
index 45a228ef164..c1163155f4d 100644
--- a/theme/boost/amd/build/bootstrap/alert.min.js
+++ b/theme/boost/amd/build/bootstrap/alert.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/bootstrap/alert",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function f(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function g(a,b,c){if(b)f(a.prototype,b);if(c)f(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var h="bs.alert",i=".".concat(h),j=b.default.fn.alert,k="close".concat(i),l="closed".concat(i),m="click".concat(i).concat(".data-api"),n=function(){function a(b){e(this,a);this._element=b}g(a,[{key:"close",value:function close(a){var b=this._element;if(a){b=this._getRootElement(a)}var c=this._triggerCloseEvent(b);if(c.isDefaultPrevented()){return}this._removeElement(b)}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,h);this._element=null}},{key:"_getRootElement",value:function _getRootElement(a){var d=c.default.getSelectorFromElement(a),e=!1;if(d){e=document.querySelector(d)}if(!e){e=(0,b.default)(a).closest(".".concat("alert"))[0]}return e}},{key:"_triggerCloseEvent",value:function _triggerCloseEvent(a){var c=b.default.Event(k);(0,b.default)(a).trigger(c);return c}},{key:"_removeElement",value:function _removeElement(a){var d=this;(0,b.default)(a).removeClass("show");if(!(0,b.default)(a).hasClass("fade")){this._destroyElement(a);return}var e=c.default.getTransitionDurationFromElement(a);(0,b.default)(a).one(c.default.TRANSITION_END,function(b){return d._destroyElement(a,b)}).emulateTransitionEnd(e)}},{key:"_destroyElement",value:function _destroyElement(a){(0,b.default)(a).detach().trigger(l).remove()}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this),e=d.data(h);if(!e){e=new a(this);d.data(h,e)}if("close"===c){e[c](this)}})}},{key:"_handleDismiss",value:function _handleDismiss(a){return function(b){if(b){b.preventDefault()}a.close(this)}}}]);return a}();(0,b.default)(document).on(m,"[data-dismiss=\"alert\"]",n._handleDismiss(new n));b.default.fn.alert=n._jQueryInterface;b.default.fn.alert.Constructor=n;b.default.fn.alert.noConflict=function(){b.default.fn.alert=j;return n._jQueryInterface};a.default=n;return a.default});
-//# sourceMappingURL=alert.min.js.map
+define("theme_boost/bootstrap/alert",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);var EVENT_KEY=".".concat("bs.alert"),JQUERY_NO_CONFLICT=_jquery.default.fn.alert,EVENT_CLOSE="close".concat(EVENT_KEY),EVENT_CLOSED="closed".concat(EVENT_KEY),EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api"),Alert=function(){function Alert(element){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Alert),this._element=element}var Constructor,protoProps,staticProps;return Constructor=Alert,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var $element=(0,_jquery.default)(this),data=$element.data("bs.alert");data||(data=new Alert(this),$element.data("bs.alert",data)),"close"===config&&data[config](this)}))}},{key:"_handleDismiss",value:function(alertInstance){return function(event){event&&event.preventDefault(),alertInstance.close(this)}}}],(protoProps=[{key:"close",value:function(element){var rootElement=this._element;element&&(rootElement=this._getRootElement(element)),this._triggerCloseEvent(rootElement).isDefaultPrevented()||this._removeElement(rootElement)}},{key:"dispose",value:function(){_jquery.default.removeData(this._element,"bs.alert"),this._element=null}},{key:"_getRootElement",value:function(element){var selector=_util.default.getSelectorFromElement(element),parent=!1;return selector&&(parent=document.querySelector(selector)),parent||(parent=(0,_jquery.default)(element).closest(".".concat("alert"))[0]),parent}},{key:"_triggerCloseEvent",value:function(element){var closeEvent=_jquery.default.Event(EVENT_CLOSE);return(0,_jquery.default)(element).trigger(closeEvent),closeEvent}},{key:"_removeElement",value:function(element){var _this=this;if((0,_jquery.default)(element).removeClass("show"),(0,_jquery.default)(element).hasClass("fade")){var transitionDuration=_util.default.getTransitionDurationFromElement(element);(0,_jquery.default)(element).one(_util.default.TRANSITION_END,(function(event){return _this._destroyElement(element,event)})).emulateTransitionEnd(transitionDuration)}else this._destroyElement(element)}},{key:"_destroyElement",value:function(element){(0,_jquery.default)(element).detach().trigger(EVENT_CLOSED).remove()}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),Alert}();(0,_jquery.default)(document).on(EVENT_CLICK_DATA_API,'[data-dismiss="alert"]',Alert._handleDismiss(new Alert)),_jquery.default.fn.alert=Alert._jQueryInterface,_jquery.default.fn.alert.Constructor=Alert,_jquery.default.fn.alert.noConflict=function(){return _jquery.default.fn.alert=JQUERY_NO_CONFLICT,Alert._jQueryInterface};var _default=Alert;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=alert.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/alert.min.js.map b/theme/boost/amd/build/bootstrap/alert.min.js.map
index 892d3214b46..5c08b078605 100644
--- a/theme/boost/amd/build/bootstrap/alert.min.js.map
+++ b/theme/boost/amd/build/bootstrap/alert.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): alert.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'alert'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.alert'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst SELECTOR_DISMISS = '[data-dismiss=\"alert\"]'\n\nconst EVENT_CLOSE          = `close${EVENT_KEY}`\nconst EVENT_CLOSED         = `closed${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_ALERT = 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\ No newline at end of file
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diff --git a/theme/boost/amd/build/bootstrap/button.min.js b/theme/boost/amd/build/bootstrap/button.min.js
index daf2a5d3b54..0d4bd16ff90 100644
--- a/theme/boost/amd/build/bootstrap/button.min.js
+++ b/theme/boost/amd/build/bootstrap/button.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/bootstrap/button",["exports","jquery"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=function(a){return a&&a.__esModule?a:{default:a}}(b);function c(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function d(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function e(a,b,c){if(b)d(a.prototype,b);if(c)d(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var f="bs.button",g=".".concat(f),h=".data-api",i=b.default.fn.button,j="active",k="[data-toggle^=\"button\"]",l="input:not([type=\"hidden\"])",m=".btn",n="click".concat(g).concat(h),o="focus".concat(g).concat(h," ")+"blur".concat(g).concat(h),p="load".concat(g).concat(h),q=function(){function a(b){c(this,a);this._element=b}e(a,[{key:"toggle",value:function toggle(){var a=!0,c=!0,d=(0,b.default)(this._element).closest("[data-toggle=\"buttons\"]")[0];if(d){var e=this._element.querySelector(l);if(e){if("radio"===e.type){if(e.checked&&this._element.classList.contains(j)){a=!1}else{var f=d.querySelector(".active");if(f){(0,b.default)(f).removeClass(j)}}}if(a){if("checkbox"===e.type||"radio"===e.type){e.checked=!this._element.classList.contains(j)}(0,b.default)(e).trigger("change")}e.focus();c=!1}}if(!(this._element.hasAttribute("disabled")||this._element.classList.contains("disabled"))){if(c){this._element.setAttribute("aria-pressed",!this._element.classList.contains(j))}if(a){(0,b.default)(this._element).toggleClass(j)}}}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,f);this._element=null}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this).data(f);if(!d){d=new a(this);(0,b.default)(this).data(f,d)}if("toggle"===c){d[c]()}})}}]);return a}();(0,b.default)(document).on(n,k,function(a){var c=a.target,d=c;if(!(0,b.default)(c).hasClass("btn")){c=(0,b.default)(c).closest(m)[0]}if(!c||c.hasAttribute("disabled")||c.classList.contains("disabled")){a.preventDefault()}else{var e=c.querySelector(l);if(e&&(e.hasAttribute("disabled")||e.classList.contains("disabled"))){a.preventDefault();return}if("LABEL"===d.tagName&&e&&"checkbox"===e.type){a.preventDefault()}q._jQueryInterface.call((0,b.default)(c),"toggle")}}).on(o,k,function(a){var c=(0,b.default)(a.target).closest(m)[0];(0,b.default)(c).toggleClass("focus",/^focus(in)?$/.test(a.type))});(0,b.default)(window).on(p,function(){for(var a=[].slice.call(document.querySelectorAll("[data-toggle=\"buttons\"] .btn")),b=0,c=a.length;b<c;b++){var d=a[b],e=d.querySelector(l);if(e.checked||e.hasAttribute("checked")){d.classList.add(j)}else{d.classList.remove(j)}}a=[].slice.call(document.querySelectorAll("[data-toggle=\"button\"]"));for(var f=0,g=a.length,h;f<g;f++){h=a[f];if("true"===h.getAttribute("aria-pressed")){h.classList.add(j)}else{h.classList.remove(j)}}});b.default.fn.button=q._jQueryInterface;b.default.fn.button.Constructor=q;b.default.fn.button.noConflict=function(){b.default.fn.button=i;return q._jQueryInterface};a.default=q;return a.default});
-//# sourceMappingURL=button.min.js.map
+define("theme_boost/bootstrap/button",["exports","jquery"],(function(_exports,_jquery){var obj;function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};var NAME="button",EVENT_KEY=".".concat("bs.button"),JQUERY_NO_CONFLICT=_jquery.default.fn[NAME],EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api"),EVENT_FOCUS_BLUR_DATA_API="focus".concat(EVENT_KEY).concat(".data-api"," ")+"blur".concat(EVENT_KEY).concat(".data-api"),EVENT_LOAD_DATA_API="load".concat(EVENT_KEY).concat(".data-api"),Button=function(){function Button(element){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Button),this._element=element}var Constructor,protoProps,staticProps;return Constructor=Button,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var data=(0,_jquery.default)(this).data("bs.button");data||(data=new Button(this),(0,_jquery.default)(this).data("bs.button",data)),"toggle"===config&&data[config]()}))}}],(protoProps=[{key:"toggle",value:function(){var triggerChangeEvent=!0,addAriaPressed=!0,rootElement=(0,_jquery.default)(this._element).closest('[data-toggle="buttons"]')[0];if(rootElement){var input=this._element.querySelector('input:not([type="hidden"])');if(input){if("radio"===input.type)if(input.checked&&this._element.classList.contains("active"))triggerChangeEvent=!1;else{var activeElement=rootElement.querySelector(".active");activeElement&&(0,_jquery.default)(activeElement).removeClass("active")}triggerChangeEvent&&("checkbox"!==input.type&&"radio"!==input.type||(input.checked=!this._element.classList.contains("active")),(0,_jquery.default)(input).trigger("change")),input.focus(),addAriaPressed=!1}}this._element.hasAttribute("disabled")||this._element.classList.contains("disabled")||(addAriaPressed&&this._element.setAttribute("aria-pressed",!this._element.classList.contains("active")),triggerChangeEvent&&(0,_jquery.default)(this._element).toggleClass("active"))}},{key:"dispose",value:function(){_jquery.default.removeData(this._element,"bs.button"),this._element=null}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),Button}();(0,_jquery.default)(document).on(EVENT_CLICK_DATA_API,'[data-toggle^="button"]',(function(event){var button=event.target,initialButton=button;if((0,_jquery.default)(button).hasClass("btn")||(button=(0,_jquery.default)(button).closest(".btn")[0]),!button||button.hasAttribute("disabled")||button.classList.contains("disabled"))event.preventDefault();else{var inputBtn=button.querySelector('input:not([type="hidden"])');if(inputBtn&&(inputBtn.hasAttribute("disabled")||inputBtn.classList.contains("disabled")))return void event.preventDefault();"LABEL"===initialButton.tagName&&inputBtn&&"checkbox"===inputBtn.type&&event.preventDefault(),Button._jQueryInterface.call((0,_jquery.default)(button),"toggle")}})).on(EVENT_FOCUS_BLUR_DATA_API,'[data-toggle^="button"]',(function(event){var button=(0,_jquery.default)(event.target).closest(".btn")[0];(0,_jquery.default)(button).toggleClass("focus",/^focus(in)?$/.test(event.type))})),(0,_jquery.default)(window).on(EVENT_LOAD_DATA_API,(function(){for(var buttons=[].slice.call(document.querySelectorAll('[data-toggle="buttons"] .btn')),i=0,len=buttons.length;i<len;i++){var button=buttons[i],input=button.querySelector('input:not([type="hidden"])');input.checked||input.hasAttribute("checked")?button.classList.add("active"):button.classList.remove("active")}for(var _i=0,_len=(buttons=[].slice.call(document.querySelectorAll('[data-toggle="button"]'))).length;_i<_len;_i++){var _button=buttons[_i];"true"===_button.getAttribute("aria-pressed")?_button.classList.add("active"):_button.classList.remove("active")}})),_jquery.default.fn[NAME]=Button._jQueryInterface,_jquery.default.fn[NAME].Constructor=Button,_jquery.default.fn[NAME].noConflict=function(){return _jquery.default.fn[NAME]=JQUERY_NO_CONFLICT,Button._jQueryInterface};var _default=Button;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=button.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/button.min.js.map b/theme/boost/amd/build/bootstrap/button.min.js.map
index e2cc205de04..3e29b07308c 100644
--- a/theme/boost/amd/build/bootstrap/button.min.js.map
+++ b/theme/boost/amd/build/bootstrap/button.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'button'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.button'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst CLASS_NAME_ACTIVE = 'active'\nconst CLASS_NAME_BUTTON = 'btn'\nconst CLASS_NAME_FOCUS  = 'focus'\n\nconst SELECTOR_DATA_TOGGLE_CARROT   = '[data-toggle^=\"button\"]'\nconst SELECTOR_DATA_TOGGLES         = '[data-toggle=\"buttons\"]'\nconst SELECTOR_DATA_TOGGLE          = '[data-toggle=\"button\"]'\nconst SELECTOR_DATA_TOGGLES_BUTTONS = '[data-toggle=\"buttons\"] .btn'\nconst SELECTOR_INPUT                = 'input:not([type=\"hidden\"])'\nconst SELECTOR_ACTIVE               = '.active'\nconst SELECTOR_BUTTON               = '.btn'\n\nconst EVENT_CLICK_DATA_API      = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_FOCUS_BLUR_DATA_API = `focus${EVENT_KEY}${DATA_API_KEY} ` +\n                          `blur${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_LOAD_DATA_API       = `load${EVENT_KEY}${DATA_API_KEY}`\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Button {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  toggle() {\n    let triggerChangeEvent = true\n    let addAriaPressed = true\n    const rootElement = $(this._element).closest(\n      SELECTOR_DATA_TOGGLES\n    )[0]\n\n    if (rootElement) {\n      const input = this._element.querySelector(SELECTOR_INPUT)\n\n      if (input) {\n        if (input.type === 'radio') {\n          if (input.checked &&\n            this._element.classList.contains(CLASS_NAME_ACTIVE)) {\n            triggerChangeEvent = false\n          } else {\n            const activeElement = rootElement.querySelector(SELECTOR_ACTIVE)\n\n            if (activeElement) {\n              $(activeElement).removeClass(CLASS_NAME_ACTIVE)\n            }\n          }\n        }\n\n        if (triggerChangeEvent) {\n          // if it's not a radio button or checkbox don't add a pointless/invalid checked property to the input\n          if (input.type === 'checkbox' || input.type === 'radio') {\n            input.checked = !this._element.classList.contains(CLASS_NAME_ACTIVE)\n          }\n          $(input).trigger('change')\n        }\n\n        input.focus()\n        addAriaPressed = false\n      }\n    }\n\n    if (!(this._element.hasAttribute('disabled') || this._element.classList.contains('disabled'))) {\n      if (addAriaPressed) {\n        this._element.setAttribute('aria-pressed',\n          !this._element.classList.contains(CLASS_NAME_ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(CLASS_NAME_ACTIVE)\n      }\n    }\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n\n      if (!data) {\n        data = new Button(this)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (config === 'toggle') {\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, (event) => {\n    let button = event.target\n    const initialButton = button\n\n    if (!$(button).hasClass(CLASS_NAME_BUTTON)) {\n      button = $(button).closest(SELECTOR_BUTTON)[0]\n    }\n\n    if (!button || button.hasAttribute('disabled') || button.classList.contains('disabled')) {\n      event.preventDefault() // work around Firefox bug #1540995\n    } else {\n      const inputBtn = button.querySelector(SELECTOR_INPUT)\n\n      if (inputBtn && (inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {\n        event.preventDefault() // work around Firefox bug #1540995\n        return\n      }\n\n      if (initialButton.tagName === 'LABEL' && inputBtn && inputBtn.type === 'checkbox') {\n        event.preventDefault() // work around event sent to label and input\n      }\n      Button._jQueryInterface.call($(button), 'toggle')\n    }\n  })\n  .on(EVENT_FOCUS_BLUR_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, (event) => {\n    const button = $(event.target).closest(SELECTOR_BUTTON)[0]\n    $(button).toggleClass(CLASS_NAME_FOCUS, /^focus(in)?$/.test(event.type))\n  })\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  // ensure correct active class is set to match the controls' actual values/states\n\n  // find all checkboxes/readio buttons inside data-toggle groups\n  let buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLES_BUTTONS))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n    const input = button.querySelector(SELECTOR_INPUT)\n    if (input.checked || input.hasAttribute('checked')) {\n      button.classList.add(CLASS_NAME_ACTIVE)\n    } else {\n      button.classList.remove(CLASS_NAME_ACTIVE)\n    }\n  }\n\n  // find all button toggles\n  buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n    if (button.getAttribute('aria-pressed') === 'true') {\n      button.classList.add(CLASS_NAME_ACTIVE)\n    } else {\n      button.classList.remove(CLASS_NAME_ACTIVE)\n    }\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Button._jQueryInterface\n$.fn[NAME].Constructor = Button\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Button._jQueryInterface\n}\n\nexport default Button\n"],"file":"button.min.js"}
\ No newline at end of file
+{"version":3,"file":"button.min.js","sources":["../../src/bootstrap/button.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): button.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'button'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.button'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst CLASS_NAME_ACTIVE = 'active'\nconst CLASS_NAME_BUTTON = 'btn'\nconst CLASS_NAME_FOCUS  = 'focus'\n\nconst SELECTOR_DATA_TOGGLE_CARROT   = '[data-toggle^=\"button\"]'\nconst SELECTOR_DATA_TOGGLES         = '[data-toggle=\"buttons\"]'\nconst SELECTOR_DATA_TOGGLE          = '[data-toggle=\"button\"]'\nconst SELECTOR_DATA_TOGGLES_BUTTONS = '[data-toggle=\"buttons\"] .btn'\nconst SELECTOR_INPUT                = 'input:not([type=\"hidden\"])'\nconst SELECTOR_ACTIVE               = '.active'\nconst SELECTOR_BUTTON               = '.btn'\n\nconst EVENT_CLICK_DATA_API      = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_FOCUS_BLUR_DATA_API = `focus${EVENT_KEY}${DATA_API_KEY} ` +\n                          `blur${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_LOAD_DATA_API       = `load${EVENT_KEY}${DATA_API_KEY}`\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Button {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  toggle() {\n    let triggerChangeEvent = true\n    let addAriaPressed = true\n    const rootElement = $(this._element).closest(\n      SELECTOR_DATA_TOGGLES\n    )[0]\n\n    if (rootElement) {\n      const input = this._element.querySelector(SELECTOR_INPUT)\n\n      if (input) {\n        if (input.type === 'radio') {\n          if (input.checked &&\n            this._element.classList.contains(CLASS_NAME_ACTIVE)) {\n            triggerChangeEvent = false\n          } else {\n            const activeElement = rootElement.querySelector(SELECTOR_ACTIVE)\n\n            if (activeElement) {\n              $(activeElement).removeClass(CLASS_NAME_ACTIVE)\n            }\n          }\n        }\n\n        if (triggerChangeEvent) {\n          // if it's not a radio button or checkbox don't add a pointless/invalid checked property to the input\n          if (input.type === 'checkbox' || input.type === 'radio') {\n            input.checked = !this._element.classList.contains(CLASS_NAME_ACTIVE)\n          }\n          $(input).trigger('change')\n        }\n\n        input.focus()\n        addAriaPressed = false\n      }\n    }\n\n    if (!(this._element.hasAttribute('disabled') || this._element.classList.contains('disabled'))) {\n      if (addAriaPressed) {\n        this._element.setAttribute('aria-pressed',\n          !this._element.classList.contains(CLASS_NAME_ACTIVE))\n      }\n\n      if (triggerChangeEvent) {\n        $(this._element).toggleClass(CLASS_NAME_ACTIVE)\n      }\n    }\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n\n      if (!data) {\n        data = new Button(this)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (config === 'toggle') {\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, (event) => {\n    let button = event.target\n    const initialButton = button\n\n    if (!$(button).hasClass(CLASS_NAME_BUTTON)) {\n      button = $(button).closest(SELECTOR_BUTTON)[0]\n    }\n\n    if (!button || button.hasAttribute('disabled') || button.classList.contains('disabled')) {\n      event.preventDefault() // work around Firefox bug #1540995\n    } else {\n      const inputBtn = button.querySelector(SELECTOR_INPUT)\n\n      if (inputBtn && (inputBtn.hasAttribute('disabled') || inputBtn.classList.contains('disabled'))) {\n        event.preventDefault() // work around Firefox bug #1540995\n        return\n      }\n\n      if (initialButton.tagName === 'LABEL' && inputBtn && inputBtn.type === 'checkbox') {\n        event.preventDefault() // work around event sent to label and input\n      }\n      Button._jQueryInterface.call($(button), 'toggle')\n    }\n  })\n  .on(EVENT_FOCUS_BLUR_DATA_API, SELECTOR_DATA_TOGGLE_CARROT, (event) => {\n    const button = $(event.target).closest(SELECTOR_BUTTON)[0]\n    $(button).toggleClass(CLASS_NAME_FOCUS, /^focus(in)?$/.test(event.type))\n  })\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  // ensure correct active class is set to match the controls' actual values/states\n\n  // find all checkboxes/readio buttons inside data-toggle groups\n  let buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLES_BUTTONS))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n    const input = button.querySelector(SELECTOR_INPUT)\n    if (input.checked || input.hasAttribute('checked')) {\n      button.classList.add(CLASS_NAME_ACTIVE)\n    } else {\n      button.classList.remove(CLASS_NAME_ACTIVE)\n    }\n  }\n\n  // find all button toggles\n  buttons = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n  for (let i = 0, len = buttons.length; i < len; i++) {\n    const button = buttons[i]\n    if (button.getAttribute('aria-pressed') === 'true') {\n      button.classList.add(CLASS_NAME_ACTIVE)\n    } else {\n      button.classList.remove(CLASS_NAME_ACTIVE)\n    }\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Button._jQueryInterface\n$.fn[NAME].Constructor = Button\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Button._jQueryInterface\n}\n\nexport default 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diff --git a/theme/boost/amd/build/bootstrap/carousel.min.js b/theme/boost/amd/build/bootstrap/carousel.min.js
index 7d5ca57987c..4eed28b0d5c 100644
--- a/theme/boost/amd/build/bootstrap/carousel.min.js
+++ b/theme/boost/amd/build/bootstrap/carousel.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/bootstrap/carousel",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";return e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e(a)}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?f(Object(c),!0).forEach(function(b){h(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function i(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function j(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function k(a,b,c){if(b)j(a.prototype,b);if(c)j(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var l="bs.carousel",m=".".concat(l),n=".data-api",o=b.default.fn.carousel,p={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0,touch:!0},q={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean",touch:"boolean"},r="next",s="prev",t="slide".concat(m),u="slid".concat(m),v="keydown".concat(m),w="mouseenter".concat(m),x="mouseleave".concat(m),y="touchstart".concat(m),z="touchmove".concat(m),A="touchend".concat(m),B="pointerdown".concat(m),C="pointerup".concat(m),D="dragstart".concat(m),E="load".concat(m).concat(n),F="click".concat(m).concat(n),G="active",H=".active.carousel-item",I={TOUCH:"touch",PEN:"pen"},J=function(){function 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a=this;if(!this._touchSupported){return}var c=function(b){if(a._pointerEvent&&I[b.originalEvent.pointerType.toUpperCase()]){a.touchStartX=b.originalEvent.clientX}else if(!a._pointerEvent){a.touchStartX=b.originalEvent.touches[0].clientX}},d=function(b){if(b.originalEvent.touches&&1<b.originalEvent.touches.length){a.touchDeltaX=0}else{a.touchDeltaX=b.originalEvent.touches[0].clientX-a.touchStartX}},e=function(b){if(a._pointerEvent&&I[b.originalEvent.pointerType.toUpperCase()]){a.touchDeltaX=b.originalEvent.clientX-a.touchStartX}a._handleSwipe();if("hover"===a._config.pause){a.pause();if(a.touchTimeout){clearTimeout(a.touchTimeout)}a.touchTimeout=setTimeout(function(b){return a.cycle(b)},500+a._config.interval)}};(0,b.default)(this._element.querySelectorAll(".carousel-item img")).on(D,function(a){return a.preventDefault()});if(this._pointerEvent){(0,b.default)(this._element).on(B,function(a){return c(a)});(0,b.default)(this._element).on(C,function(a){return 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-//# sourceMappingURL=carousel.min.js.map
+define("theme_boost/bootstrap/carousel",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);var NAME="carousel",DATA_KEY="bs.carousel",EVENT_KEY=".".concat(DATA_KEY),JQUERY_NO_CONFLICT=_jquery.default.fn[NAME],Default={interval:5e3,keyboard:!0,slide:!1,pause:"hover",wrap:!0,touch:!0},DefaultType={interval:"(number|boolean)",keyboard:"boolean",slide:"(boolean|string)",pause:"(string|boolean)",wrap:"boolean",touch:"boolean"},EVENT_SLIDE="slide".concat(EVENT_KEY),EVENT_SLID="slid".concat(EVENT_KEY),EVENT_KEYDOWN="keydown".concat(EVENT_KEY),EVENT_MOUSEENTER="mouseenter".concat(EVENT_KEY),EVENT_MOUSELEAVE="mouseleave".concat(EVENT_KEY),EVENT_TOUCHSTART="touchstart".concat(EVENT_KEY),EVENT_TOUCHMOVE="touchmove".concat(EVENT_KEY),EVENT_TOUCHEND="touchend".concat(EVENT_KEY),EVENT_POINTERDOWN="pointerdown".concat(EVENT_KEY),EVENT_POINTERUP="pointerup".concat(EVENT_KEY),EVENT_DRAG_START="dragstart".concat(EVENT_KEY),EVENT_LOAD_DATA_API="load".concat(EVENT_KEY).concat(".data-api"),EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api"),PointerType={TOUCH:"touch",PEN:"pen"},Carousel=function(){function Carousel(element,config){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Carousel),this._items=null,this._interval=null,this._activeElement=null,this._isPaused=!1,this._isSliding=!1,this.touchTimeout=null,this.touchStartX=0,this.touchDeltaX=0,this._config=this._getConfig(config),this._element=element,this._indicatorsElement=this._element.querySelector(".carousel-indicators"),this._touchSupported="ontouchstart"in document.documentElement||navigator.maxTouchPoints>0,this._pointerEvent=Boolean(window.PointerEvent||window.MSPointerEvent),this._addEventListeners()}var Constructor,protoProps,staticProps;return Constructor=Carousel,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"Default",get:function(){return Default}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var data=(0,_jquery.default)(this).data(DATA_KEY),_config=_objectSpread(_objectSpread({},Default),(0,_jquery.default)(this).data());"object"===_typeof(config)&&(_config=_objectSpread(_objectSpread({},_config),config));var action="string"==typeof config?config:_config.slide;if(data||(data=new Carousel(this,_config),(0,_jquery.default)(this).data(DATA_KEY,data)),"number"==typeof config)data.to(config);else if("string"==typeof action){if(void 0===data[action])throw new TypeError('No method named "'.concat(action,'"'));data[action]()}else _config.interval&&_config.ride&&(data.pause(),data.cycle())}))}},{key:"_dataApiClickHandler",value:function(event){var selector=_util.default.getSelectorFromElement(this);if(selector){var target=(0,_jquery.default)(selector)[0];if(target&&(0,_jquery.default)(target).hasClass("carousel")){var config=_objectSpread(_objectSpread({},(0,_jquery.default)(target).data()),(0,_jquery.default)(this).data()),slideIndex=this.getAttribute("data-slide-to");slideIndex&&(config.interval=!1),Carousel._jQueryInterface.call((0,_jquery.default)(target),config),slideIndex&&(0,_jquery.default)(target).data(DATA_KEY).to(slideIndex),event.preventDefault()}}}}],(protoProps=[{key:"next",value:function(){this._isSliding||this._slide("next")}},{key:"nextWhenVisible",value:function(){!document.hidden&&(0,_jquery.default)(this._element).is(":visible")&&"hidden"!==(0,_jquery.default)(this._element).css("visibility")&&this.next()}},{key:"prev",value:function(){this._isSliding||this._slide("prev")}},{key:"pause",value:function(event){event||(this._isPaused=!0),this._element.querySelector(".carousel-item-next, .carousel-item-prev")&&(_util.default.triggerTransitionEnd(this._element),this.cycle(!0)),clearInterval(this._interval),this._interval=null}},{key:"cycle",value:function(event){event||(this._isPaused=!1),this._interval&&(clearInterval(this._interval),this._interval=null),this._config.interval&&!this._isPaused&&(this._interval=setInterval((document.visibilityState?this.nextWhenVisible:this.next).bind(this),this._config.interval))}},{key:"to",value:function(index){var _this=this;this._activeElement=this._element.querySelector(".active.carousel-item");var activeIndex=this._getItemIndex(this._activeElement);if(!(index>this._items.length-1||index<0))if(this._isSliding)(0,_jquery.default)(this._element).one(EVENT_SLID,(function(){return _this.to(index)}));else{if(activeIndex===index)return this.pause(),void this.cycle();var direction=index>activeIndex?"next":"prev";this._slide(direction,this._items[index])}}},{key:"dispose",value:function(){(0,_jquery.default)(this._element).off(EVENT_KEY),_jquery.default.removeData(this._element,DATA_KEY),this._items=null,this._config=null,this._element=null,this._interval=null,this._isPaused=null,this._isSliding=null,this._activeElement=null,this._indicatorsElement=null}},{key:"_getConfig",value:function(config){return config=_objectSpread(_objectSpread({},Default),config),_util.default.typeCheckConfig(NAME,config,DefaultType),config}},{key:"_handleSwipe",value:function(){var absDeltax=Math.abs(this.touchDeltaX);if(!(absDeltax<=40)){var direction=absDeltax/this.touchDeltaX;this.touchDeltaX=0,direction>0&&this.prev(),direction<0&&this.next()}}},{key:"_addEventListeners",value:function(){var _this2=this;this._config.keyboard&&(0,_jquery.default)(this._element).on(EVENT_KEYDOWN,(function(event){return _this2._keydown(event)})),"hover"===this._config.pause&&(0,_jquery.default)(this._element).on(EVENT_MOUSEENTER,(function(event){return _this2.pause(event)})).on(EVENT_MOUSELEAVE,(function(event){return _this2.cycle(event)})),this._config.touch&&this._addTouchEventListeners()}},{key:"_addTouchEventListeners",value:function(){var _this3=this;if(this._touchSupported){var start=function(event){_this3._pointerEvent&&PointerType[event.originalEvent.pointerType.toUpperCase()]?_this3.touchStartX=event.originalEvent.clientX:_this3._pointerEvent||(_this3.touchStartX=event.originalEvent.touches[0].clientX)},end=function(event){_this3._pointerEvent&&PointerType[event.originalEvent.pointerType.toUpperCase()]&&(_this3.touchDeltaX=event.originalEvent.clientX-_this3.touchStartX),_this3._handleSwipe(),"hover"===_this3._config.pause&&(_this3.pause(),_this3.touchTimeout&&clearTimeout(_this3.touchTimeout),_this3.touchTimeout=setTimeout((function(event){return _this3.cycle(event)}),500+_this3._config.interval))};(0,_jquery.default)(this._element.querySelectorAll(".carousel-item img")).on(EVENT_DRAG_START,(function(e){return e.preventDefault()})),this._pointerEvent?((0,_jquery.default)(this._element).on(EVENT_POINTERDOWN,(function(event){return start(event)})),(0,_jquery.default)(this._element).on(EVENT_POINTERUP,(function(event){return end(event)})),this._element.classList.add("pointer-event")):((0,_jquery.default)(this._element).on(EVENT_TOUCHSTART,(function(event){return start(event)})),(0,_jquery.default)(this._element).on(EVENT_TOUCHMOVE,(function(event){return function(event){event.originalEvent.touches&&event.originalEvent.touches.length>1?_this3.touchDeltaX=0:_this3.touchDeltaX=event.originalEvent.touches[0].clientX-_this3.touchStartX}(event)})),(0,_jquery.default)(this._element).on(EVENT_TOUCHEND,(function(event){return end(event)})))}}},{key:"_keydown",value:function(event){if(!/input|textarea/i.test(event.target.tagName))switch(event.which){case 37:event.preventDefault(),this.prev();break;case 39:event.preventDefault(),this.next()}}},{key:"_getItemIndex",value:function(element){return this._items=element&&element.parentNode?[].slice.call(element.parentNode.querySelectorAll(".carousel-item")):[],this._items.indexOf(element)}},{key:"_getItemByDirection",value:function(direction,activeElement){var isNextDirection="next"===direction,isPrevDirection="prev"===direction,activeIndex=this._getItemIndex(activeElement),lastItemIndex=this._items.length-1;if((isPrevDirection&&0===activeIndex||isNextDirection&&activeIndex===lastItemIndex)&&!this._config.wrap)return activeElement;var itemIndex=(activeIndex+("prev"===direction?-1:1))%this._items.length;return-1===itemIndex?this._items[this._items.length-1]:this._items[itemIndex]}},{key:"_triggerSlideEvent",value:function(relatedTarget,eventDirectionName){var targetIndex=this._getItemIndex(relatedTarget),fromIndex=this._getItemIndex(this._element.querySelector(".active.carousel-item")),slideEvent=_jquery.default.Event(EVENT_SLIDE,{relatedTarget:relatedTarget,direction:eventDirectionName,from:fromIndex,to:targetIndex});return(0,_jquery.default)(this._element).trigger(slideEvent),slideEvent}},{key:"_setActiveIndicatorElement",value:function(element){if(this._indicatorsElement){var indicators=[].slice.call(this._indicatorsElement.querySelectorAll(".active"));(0,_jquery.default)(indicators).removeClass("active");var nextIndicator=this._indicatorsElement.children[this._getItemIndex(element)];nextIndicator&&(0,_jquery.default)(nextIndicator).addClass("active")}}},{key:"_slide",value:function(direction,element){var directionalClassName,orderClassName,eventDirectionName,_this4=this,activeElement=this._element.querySelector(".active.carousel-item"),activeElementIndex=this._getItemIndex(activeElement),nextElement=element||activeElement&&this._getItemByDirection(direction,activeElement),nextElementIndex=this._getItemIndex(nextElement),isCycling=Boolean(this._interval);if("next"===direction?(directionalClassName="carousel-item-left",orderClassName="carousel-item-next",eventDirectionName="left"):(directionalClassName="carousel-item-right",orderClassName="carousel-item-prev",eventDirectionName="right"),nextElement&&(0,_jquery.default)(nextElement).hasClass("active"))this._isSliding=!1;else if(!this._triggerSlideEvent(nextElement,eventDirectionName).isDefaultPrevented()&&activeElement&&nextElement){this._isSliding=!0,isCycling&&this.pause(),this._setActiveIndicatorElement(nextElement);var slidEvent=_jquery.default.Event(EVENT_SLID,{relatedTarget:nextElement,direction:eventDirectionName,from:activeElementIndex,to:nextElementIndex});if((0,_jquery.default)(this._element).hasClass("slide")){(0,_jquery.default)(nextElement).addClass(orderClassName),_util.default.reflow(nextElement),(0,_jquery.default)(activeElement).addClass(directionalClassName),(0,_jquery.default)(nextElement).addClass(directionalClassName);var nextElementInterval=parseInt(nextElement.getAttribute("data-interval"),10);nextElementInterval?(this._config.defaultInterval=this._config.defaultInterval||this._config.interval,this._config.interval=nextElementInterval):this._config.interval=this._config.defaultInterval||this._config.interval;var transitionDuration=_util.default.getTransitionDurationFromElement(activeElement);(0,_jquery.default)(activeElement).one(_util.default.TRANSITION_END,(function(){(0,_jquery.default)(nextElement).removeClass("".concat(directionalClassName," 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carousels=[].slice.call(document.querySelectorAll('[data-ride="carousel"]')),i=0,len=carousels.length;i<len;i++){var $carousel=(0,_jquery.default)(carousels[i]);Carousel._jQueryInterface.call($carousel,$carousel.data())}})),_jquery.default.fn[NAME]=Carousel._jQueryInterface,_jquery.default.fn[NAME].Constructor=Carousel,_jquery.default.fn[NAME].noConflict=function(){return _jquery.default.fn[NAME]=JQUERY_NO_CONFLICT,Carousel._jQueryInterface};var _default=Carousel;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=carousel.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/carousel.min.js.map b/theme/boost/amd/build/bootstrap/carousel.min.js.map
index ec1fad48eb7..275794b8ea3 100644
--- a/theme/boost/amd/build/bootstrap/carousel.min.js.map
+++ b/theme/boost/amd/build/bootstrap/carousel.min.js.map
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                   = 'carousel'\nconst VERSION                = '4.5.0'\nconst DATA_KEY               = 'bs.carousel'\nconst EVENT_KEY              = `.${DATA_KEY}`\nconst DATA_API_KEY           = '.data-api'\nconst JQUERY_NO_CONFLICT     = $.fn[NAME]\nconst ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key\nconst ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key\nconst TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch\nconst SWIPE_THRESHOLD        = 40\n\nconst Default = {\n  interval : 5000,\n  keyboard : true,\n  slide    : false,\n  pause    : 'hover',\n  wrap     : true,\n  touch    : true\n}\n\nconst DefaultType = {\n  interval : '(number|boolean)',\n  keyboard : 'boolean',\n  slide    : '(boolean|string)',\n  pause    : '(string|boolean)',\n  wrap     : 'boolean',\n  touch    : 'boolean'\n}\n\nconst DIRECTION_NEXT     = 'next'\nconst DIRECTION_PREV     = 'prev'\nconst DIRECTION_LEFT     = 'left'\nconst DIRECTION_RIGHT    = 'right'\n\nconst EVENT_SLIDE          = `slide${EVENT_KEY}`\nconst EVENT_SLID           = `slid${EVENT_KEY}`\nconst EVENT_KEYDOWN        = `keydown${EVENT_KEY}`\nconst EVENT_MOUSEENTER     = `mouseenter${EVENT_KEY}`\nconst EVENT_MOUSELEAVE     = `mouseleave${EVENT_KEY}`\nconst EVENT_TOUCHSTART     = `touchstart${EVENT_KEY}`\nconst EVENT_TOUCHMOVE      = `touchmove${EVENT_KEY}`\nconst EVENT_TOUCHEND       = `touchend${EVENT_KEY}`\nconst EVENT_POINTERDOWN    = `pointerdown${EVENT_KEY}`\nconst EVENT_POINTERUP      = `pointerup${EVENT_KEY}`\nconst EVENT_DRAG_START     = `dragstart${EVENT_KEY}`\nconst EVENT_LOAD_DATA_API  = `load${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_CAROUSEL      = 'carousel'\nconst CLASS_NAME_ACTIVE        = 'active'\nconst CLASS_NAME_SLIDE         = 'slide'\nconst CLASS_NAME_RIGHT         = 'carousel-item-right'\nconst CLASS_NAME_LEFT          = 'carousel-item-left'\nconst CLASS_NAME_NEXT          = 'carousel-item-next'\nconst CLASS_NAME_PREV          = 'carousel-item-prev'\nconst CLASS_NAME_POINTER_EVENT = 'pointer-event'\n\nconst SELECTOR_ACTIVE      = '.active'\nconst SELECTOR_ACTIVE_ITEM = '.active.carousel-item'\nconst SELECTOR_ITEM        = '.carousel-item'\nconst SELECTOR_ITEM_IMG    = '.carousel-item img'\nconst SELECTOR_NEXT_PREV   = '.carousel-item-next, .carousel-item-prev'\nconst SELECTOR_INDICATORS  = '.carousel-indicators'\nconst SELECTOR_DATA_SLIDE  = '[data-slide], [data-slide-to]'\nconst SELECTOR_DATA_RIDE   = '[data-ride=\"carousel\"]'\n\nconst PointerType = {\n  TOUCH : 'touch',\n  PEN   : 'pen'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\nclass Carousel {\n  constructor(element, config) {\n    this._items         = null\n    this._interval      = null\n    this._activeElement = null\n    this._isPaused      = false\n    this._isSliding     = false\n    this.touchTimeout   = null\n    this.touchStartX    = 0\n    this.touchDeltaX    = 0\n\n    this._config            = this._getConfig(config)\n    this._element           = element\n    this._indicatorsElement = this._element.querySelector(SELECTOR_INDICATORS)\n    this._touchSupported    = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0\n    this._pointerEvent      = Boolean(window.PointerEvent || window.MSPointerEvent)\n\n    this._addEventListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  next() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_NEXT)\n    }\n  }\n\n  nextWhenVisible() {\n    // Don't call next when the page isn't visible\n    // or the carousel or its parent isn't visible\n    if (!document.hidden &&\n      ($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {\n      this.next()\n    }\n  }\n\n  prev() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_PREV)\n    }\n  }\n\n  pause(event) {\n    if (!event) {\n      this._isPaused = true\n    }\n\n    if (this._element.querySelector(SELECTOR_NEXT_PREV)) {\n      Util.triggerTransitionEnd(this._element)\n      this.cycle(true)\n    }\n\n    clearInterval(this._interval)\n    this._interval = null\n  }\n\n  cycle(event) {\n    if (!event) {\n      this._isPaused = false\n    }\n\n    if (this._interval) {\n      clearInterval(this._interval)\n      this._interval = null\n    }\n\n    if (this._config.interval && !this._isPaused) {\n      this._interval = setInterval(\n        (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n        this._config.interval\n      )\n    }\n  }\n\n  to(index) {\n    this._activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)\n\n    const activeIndex = this._getItemIndex(this._activeElement)\n\n    if (index > this._items.length - 1 || index < 0) {\n      return\n    }\n\n    if (this._isSliding) {\n      $(this._element).one(EVENT_SLID, () => this.to(index))\n      return\n    }\n\n    if (activeIndex === index) {\n      this.pause()\n      this.cycle()\n      return\n    }\n\n    const direction = index > activeIndex\n      ? DIRECTION_NEXT\n      : DIRECTION_PREV\n\n    this._slide(direction, this._items[index])\n  }\n\n  dispose() {\n    $(this._element).off(EVENT_KEY)\n    $.removeData(this._element, DATA_KEY)\n\n    this._items             = null\n    this._config            = null\n    this._element           = null\n    this._interval          = null\n    this._isPaused          = null\n    this._isSliding         = null\n    this._activeElement     = null\n    this._indicatorsElement = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _handleSwipe() {\n    const absDeltax = Math.abs(this.touchDeltaX)\n\n    if (absDeltax <= SWIPE_THRESHOLD) {\n      return\n    }\n\n    const direction = absDeltax / this.touchDeltaX\n\n    this.touchDeltaX = 0\n\n    // swipe left\n    if (direction > 0) {\n      this.prev()\n    }\n\n    // swipe right\n    if (direction < 0) {\n      this.next()\n    }\n  }\n\n  _addEventListeners() {\n    if (this._config.keyboard) {\n      $(this._element).on(EVENT_KEYDOWN, (event) => this._keydown(event))\n    }\n\n    if (this._config.pause === 'hover') {\n      $(this._element)\n        .on(EVENT_MOUSEENTER, (event) => this.pause(event))\n        .on(EVENT_MOUSELEAVE, (event) => this.cycle(event))\n    }\n\n    if (this._config.touch) {\n      this._addTouchEventListeners()\n    }\n  }\n\n  _addTouchEventListeners() {\n    if (!this._touchSupported) {\n      return\n    }\n\n    const start = (event) => {\n      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {\n        this.touchStartX = event.originalEvent.clientX\n      } else if (!this._pointerEvent) {\n        this.touchStartX = event.originalEvent.touches[0].clientX\n      }\n    }\n\n    const move = (event) => {\n      // ensure swiping with one touch and not pinching\n      if (event.originalEvent.touches && event.originalEvent.touches.length > 1) {\n        this.touchDeltaX = 0\n      } else {\n        this.touchDeltaX = event.originalEvent.touches[0].clientX - this.touchStartX\n      }\n    }\n\n    const end = (event) => {\n      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {\n        this.touchDeltaX = event.originalEvent.clientX - this.touchStartX\n      }\n\n      this._handleSwipe()\n      if (this._config.pause === 'hover') {\n        // If it's a touch-enabled device, mouseenter/leave are fired as\n        // part of the mouse compatibility events on first tap - the carousel\n        // would stop cycling until user tapped out of it;\n        // here, we listen for touchend, explicitly pause the carousel\n        // (as if it's the second time we tap on it, mouseenter compat event\n        // is NOT fired) and after a timeout (to allow for mouse compatibility\n        // events to fire) we explicitly restart cycling\n\n        this.pause()\n        if (this.touchTimeout) {\n          clearTimeout(this.touchTimeout)\n        }\n        this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)\n      }\n    }\n\n    $(this._element.querySelectorAll(SELECTOR_ITEM_IMG))\n      .on(EVENT_DRAG_START, (e) => e.preventDefault())\n\n    if (this._pointerEvent) {\n      $(this._element).on(EVENT_POINTERDOWN, (event) => start(event))\n      $(this._element).on(EVENT_POINTERUP, (event) => end(event))\n\n      this._element.classList.add(CLASS_NAME_POINTER_EVENT)\n    } else {\n      $(this._element).on(EVENT_TOUCHSTART, (event) => start(event))\n      $(this._element).on(EVENT_TOUCHMOVE, (event) => move(event))\n      $(this._element).on(EVENT_TOUCHEND, (event) => end(event))\n    }\n  }\n\n  _keydown(event) {\n    if (/input|textarea/i.test(event.target.tagName)) {\n      return\n    }\n\n    switch (event.which) {\n      case ARROW_LEFT_KEYCODE:\n        event.preventDefault()\n        this.prev()\n        break\n      case ARROW_RIGHT_KEYCODE:\n        event.preventDefault()\n        this.next()\n        break\n      default:\n    }\n  }\n\n  _getItemIndex(element) {\n    this._items = element && element.parentNode\n      ? [].slice.call(element.parentNode.querySelectorAll(SELECTOR_ITEM))\n      : []\n    return this._items.indexOf(element)\n  }\n\n  _getItemByDirection(direction, activeElement) {\n    const isNextDirection = direction === DIRECTION_NEXT\n    const isPrevDirection = direction === DIRECTION_PREV\n    const activeIndex     = this._getItemIndex(activeElement)\n    const lastItemIndex   = this._items.length - 1\n    const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||\n                            isNextDirection && activeIndex === lastItemIndex\n\n    if (isGoingToWrap && !this._config.wrap) {\n      return activeElement\n    }\n\n    const delta     = direction === DIRECTION_PREV ? -1 : 1\n    const itemIndex = (activeIndex + delta) % this._items.length\n\n    return itemIndex === -1\n      ? this._items[this._items.length - 1] : this._items[itemIndex]\n  }\n\n  _triggerSlideEvent(relatedTarget, eventDirectionName) {\n    const targetIndex = this._getItemIndex(relatedTarget)\n    const fromIndex = this._getItemIndex(this._element.querySelector(SELECTOR_ACTIVE_ITEM))\n    const slideEvent = $.Event(EVENT_SLIDE, {\n      relatedTarget,\n      direction: eventDirectionName,\n      from: fromIndex,\n      to: targetIndex\n    })\n\n    $(this._element).trigger(slideEvent)\n\n    return slideEvent\n  }\n\n  _setActiveIndicatorElement(element) {\n    if (this._indicatorsElement) {\n      const indicators = [].slice.call(this._indicatorsElement.querySelectorAll(SELECTOR_ACTIVE))\n      $(indicators).removeClass(CLASS_NAME_ACTIVE)\n\n      const nextIndicator = this._indicatorsElement.children[\n        this._getItemIndex(element)\n      ]\n\n      if (nextIndicator) {\n        $(nextIndicator).addClass(CLASS_NAME_ACTIVE)\n      }\n    }\n  }\n\n  _slide(direction, element) {\n    const activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)\n    const activeElementIndex = this._getItemIndex(activeElement)\n    const nextElement   = element || activeElement &&\n      this._getItemByDirection(direction, activeElement)\n    const nextElementIndex = this._getItemIndex(nextElement)\n    const isCycling = Boolean(this._interval)\n\n    let directionalClassName\n    let orderClassName\n    let eventDirectionName\n\n    if (direction === DIRECTION_NEXT) {\n      directionalClassName = CLASS_NAME_LEFT\n      orderClassName = CLASS_NAME_NEXT\n      eventDirectionName = DIRECTION_LEFT\n    } else {\n      directionalClassName = CLASS_NAME_RIGHT\n      orderClassName = CLASS_NAME_PREV\n      eventDirectionName = DIRECTION_RIGHT\n    }\n\n    if (nextElement && $(nextElement).hasClass(CLASS_NAME_ACTIVE)) {\n      this._isSliding = false\n      return\n    }\n\n    const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n    if (slideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (!activeElement || !nextElement) {\n      // Some weirdness is happening, so we bail\n      return\n    }\n\n    this._isSliding = true\n\n    if (isCycling) {\n      this.pause()\n    }\n\n    this._setActiveIndicatorElement(nextElement)\n\n    const slidEvent = $.Event(EVENT_SLID, {\n      relatedTarget: nextElement,\n      direction: eventDirectionName,\n      from: activeElementIndex,\n      to: nextElementIndex\n    })\n\n    if ($(this._element).hasClass(CLASS_NAME_SLIDE)) {\n      $(nextElement).addClass(orderClassName)\n\n      Util.reflow(nextElement)\n\n      $(activeElement).addClass(directionalClassName)\n      $(nextElement).addClass(directionalClassName)\n\n      const nextElementInterval = parseInt(nextElement.getAttribute('data-interval'), 10)\n      if (nextElementInterval) {\n        this._config.defaultInterval = this._config.defaultInterval || this._config.interval\n        this._config.interval = nextElementInterval\n      } else {\n        this._config.interval = this._config.defaultInterval || this._config.interval\n      }\n\n      const transitionDuration = Util.getTransitionDurationFromElement(activeElement)\n\n      $(activeElement)\n        .one(Util.TRANSITION_END, () => {\n          $(nextElement)\n            .removeClass(`${directionalClassName} ${orderClassName}`)\n            .addClass(CLASS_NAME_ACTIVE)\n\n          $(activeElement).removeClass(`${CLASS_NAME_ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n          this._isSliding = false\n\n          setTimeout(() => $(this._element).trigger(slidEvent), 0)\n        })\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      $(activeElement).removeClass(CLASS_NAME_ACTIVE)\n      $(nextElement).addClass(CLASS_NAME_ACTIVE)\n\n      this._isSliding = false\n      $(this._element).trigger(slidEvent)\n    }\n\n    if (isCycling) {\n      this.cycle()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      let _config = {\n        ...Default,\n        ...$(this).data()\n      }\n\n      if (typeof config === 'object') {\n        _config = {\n          ..._config,\n          ...config\n        }\n      }\n\n      const action = typeof config === 'string' ? config : _config.slide\n\n      if (!data) {\n        data = new Carousel(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'number') {\n        data.to(config)\n      } else if (typeof action === 'string') {\n        if (typeof data[action] === 'undefined') {\n          throw new TypeError(`No method named \"${action}\"`)\n        }\n        data[action]()\n      } else if (_config.interval && _config.ride) {\n        data.pause()\n        data.cycle()\n      }\n    })\n  }\n\n  static _dataApiClickHandler(event) {\n    const selector = Util.getSelectorFromElement(this)\n\n    if (!selector) {\n      return\n    }\n\n    const target = $(selector)[0]\n\n    if (!target || !$(target).hasClass(CLASS_NAME_CAROUSEL)) {\n      return\n    }\n\n    const config = {\n      ...$(target).data(),\n      ...$(this).data()\n    }\n    const slideIndex = this.getAttribute('data-slide-to')\n\n    if (slideIndex) {\n      config.interval = false\n    }\n\n    Carousel._jQueryInterface.call($(target), config)\n\n    if (slideIndex) {\n      $(target).data(DATA_KEY).to(slideIndex)\n    }\n\n    event.preventDefault()\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_SLIDE, Carousel._dataApiClickHandler)\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  const carousels = [].slice.call(document.querySelectorAll(SELECTOR_DATA_RIDE))\n  for (let i = 0, len = carousels.length; i < len; i++) {\n    const $carousel = $(carousels[i])\n    Carousel._jQueryInterface.call($carousel, $carousel.data())\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Carousel._jQueryInterface\n$.fn[NAME].Constructor = Carousel\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Carousel._jQueryInterface\n}\n\nexport default Carousel\n"],"file":"carousel.min.js"}
\ No newline at end of file
+{"version":3,"file":"carousel.min.js","sources":["../../src/bootstrap/carousel.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): carousel.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                   = 'carousel'\nconst VERSION                = '4.5.0'\nconst DATA_KEY               = 'bs.carousel'\nconst EVENT_KEY              = `.${DATA_KEY}`\nconst DATA_API_KEY           = '.data-api'\nconst JQUERY_NO_CONFLICT     = $.fn[NAME]\nconst ARROW_LEFT_KEYCODE     = 37 // KeyboardEvent.which value for left arrow key\nconst ARROW_RIGHT_KEYCODE    = 39 // KeyboardEvent.which value for right arrow key\nconst TOUCHEVENT_COMPAT_WAIT = 500 // Time for mouse compat events to fire after touch\nconst SWIPE_THRESHOLD        = 40\n\nconst Default = {\n  interval : 5000,\n  keyboard : true,\n  slide    : false,\n  pause    : 'hover',\n  wrap     : true,\n  touch    : true\n}\n\nconst DefaultType = {\n  interval : '(number|boolean)',\n  keyboard : 'boolean',\n  slide    : '(boolean|string)',\n  pause    : '(string|boolean)',\n  wrap     : 'boolean',\n  touch    : 'boolean'\n}\n\nconst DIRECTION_NEXT     = 'next'\nconst DIRECTION_PREV     = 'prev'\nconst DIRECTION_LEFT     = 'left'\nconst DIRECTION_RIGHT    = 'right'\n\nconst EVENT_SLIDE          = `slide${EVENT_KEY}`\nconst EVENT_SLID           = `slid${EVENT_KEY}`\nconst EVENT_KEYDOWN        = `keydown${EVENT_KEY}`\nconst EVENT_MOUSEENTER     = `mouseenter${EVENT_KEY}`\nconst EVENT_MOUSELEAVE     = `mouseleave${EVENT_KEY}`\nconst EVENT_TOUCHSTART     = `touchstart${EVENT_KEY}`\nconst EVENT_TOUCHMOVE      = `touchmove${EVENT_KEY}`\nconst EVENT_TOUCHEND       = `touchend${EVENT_KEY}`\nconst EVENT_POINTERDOWN    = `pointerdown${EVENT_KEY}`\nconst EVENT_POINTERUP      = `pointerup${EVENT_KEY}`\nconst EVENT_DRAG_START     = `dragstart${EVENT_KEY}`\nconst EVENT_LOAD_DATA_API  = `load${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_CAROUSEL      = 'carousel'\nconst CLASS_NAME_ACTIVE        = 'active'\nconst CLASS_NAME_SLIDE         = 'slide'\nconst CLASS_NAME_RIGHT         = 'carousel-item-right'\nconst CLASS_NAME_LEFT          = 'carousel-item-left'\nconst CLASS_NAME_NEXT          = 'carousel-item-next'\nconst CLASS_NAME_PREV          = 'carousel-item-prev'\nconst CLASS_NAME_POINTER_EVENT = 'pointer-event'\n\nconst SELECTOR_ACTIVE      = '.active'\nconst SELECTOR_ACTIVE_ITEM = '.active.carousel-item'\nconst SELECTOR_ITEM        = '.carousel-item'\nconst SELECTOR_ITEM_IMG    = '.carousel-item img'\nconst SELECTOR_NEXT_PREV   = '.carousel-item-next, .carousel-item-prev'\nconst SELECTOR_INDICATORS  = '.carousel-indicators'\nconst SELECTOR_DATA_SLIDE  = '[data-slide], [data-slide-to]'\nconst SELECTOR_DATA_RIDE   = '[data-ride=\"carousel\"]'\n\nconst PointerType = {\n  TOUCH : 'touch',\n  PEN   : 'pen'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\nclass Carousel {\n  constructor(element, config) {\n    this._items         = null\n    this._interval      = null\n    this._activeElement = null\n    this._isPaused      = false\n    this._isSliding     = false\n    this.touchTimeout   = null\n    this.touchStartX    = 0\n    this.touchDeltaX    = 0\n\n    this._config            = this._getConfig(config)\n    this._element           = element\n    this._indicatorsElement = this._element.querySelector(SELECTOR_INDICATORS)\n    this._touchSupported    = 'ontouchstart' in document.documentElement || navigator.maxTouchPoints > 0\n    this._pointerEvent      = Boolean(window.PointerEvent || window.MSPointerEvent)\n\n    this._addEventListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  next() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_NEXT)\n    }\n  }\n\n  nextWhenVisible() {\n    // Don't call next when the page isn't visible\n    // or the carousel or its parent isn't visible\n    if (!document.hidden &&\n      ($(this._element).is(':visible') && $(this._element).css('visibility') !== 'hidden')) {\n      this.next()\n    }\n  }\n\n  prev() {\n    if (!this._isSliding) {\n      this._slide(DIRECTION_PREV)\n    }\n  }\n\n  pause(event) {\n    if (!event) {\n      this._isPaused = true\n    }\n\n    if (this._element.querySelector(SELECTOR_NEXT_PREV)) {\n      Util.triggerTransitionEnd(this._element)\n      this.cycle(true)\n    }\n\n    clearInterval(this._interval)\n    this._interval = null\n  }\n\n  cycle(event) {\n    if (!event) {\n      this._isPaused = false\n    }\n\n    if (this._interval) {\n      clearInterval(this._interval)\n      this._interval = null\n    }\n\n    if (this._config.interval && !this._isPaused) {\n      this._interval = setInterval(\n        (document.visibilityState ? this.nextWhenVisible : this.next).bind(this),\n        this._config.interval\n      )\n    }\n  }\n\n  to(index) {\n    this._activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)\n\n    const activeIndex = this._getItemIndex(this._activeElement)\n\n    if (index > this._items.length - 1 || index < 0) {\n      return\n    }\n\n    if (this._isSliding) {\n      $(this._element).one(EVENT_SLID, () => this.to(index))\n      return\n    }\n\n    if (activeIndex === index) {\n      this.pause()\n      this.cycle()\n      return\n    }\n\n    const direction = index > activeIndex\n      ? DIRECTION_NEXT\n      : DIRECTION_PREV\n\n    this._slide(direction, this._items[index])\n  }\n\n  dispose() {\n    $(this._element).off(EVENT_KEY)\n    $.removeData(this._element, DATA_KEY)\n\n    this._items             = null\n    this._config            = null\n    this._element           = null\n    this._interval          = null\n    this._isPaused          = null\n    this._isSliding         = null\n    this._activeElement     = null\n    this._indicatorsElement = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _handleSwipe() {\n    const absDeltax = Math.abs(this.touchDeltaX)\n\n    if (absDeltax <= SWIPE_THRESHOLD) {\n      return\n    }\n\n    const direction = absDeltax / this.touchDeltaX\n\n    this.touchDeltaX = 0\n\n    // swipe left\n    if (direction > 0) {\n      this.prev()\n    }\n\n    // swipe right\n    if (direction < 0) {\n      this.next()\n    }\n  }\n\n  _addEventListeners() {\n    if (this._config.keyboard) {\n      $(this._element).on(EVENT_KEYDOWN, (event) => this._keydown(event))\n    }\n\n    if (this._config.pause === 'hover') {\n      $(this._element)\n        .on(EVENT_MOUSEENTER, (event) => this.pause(event))\n        .on(EVENT_MOUSELEAVE, (event) => this.cycle(event))\n    }\n\n    if (this._config.touch) {\n      this._addTouchEventListeners()\n    }\n  }\n\n  _addTouchEventListeners() {\n    if (!this._touchSupported) {\n      return\n    }\n\n    const start = (event) => {\n      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {\n        this.touchStartX = event.originalEvent.clientX\n      } else if (!this._pointerEvent) {\n        this.touchStartX = event.originalEvent.touches[0].clientX\n      }\n    }\n\n    const move = (event) => {\n      // ensure swiping with one touch and not pinching\n      if (event.originalEvent.touches && event.originalEvent.touches.length > 1) {\n        this.touchDeltaX = 0\n      } else {\n        this.touchDeltaX = event.originalEvent.touches[0].clientX - this.touchStartX\n      }\n    }\n\n    const end = (event) => {\n      if (this._pointerEvent && PointerType[event.originalEvent.pointerType.toUpperCase()]) {\n        this.touchDeltaX = event.originalEvent.clientX - this.touchStartX\n      }\n\n      this._handleSwipe()\n      if (this._config.pause === 'hover') {\n        // If it's a touch-enabled device, mouseenter/leave are fired as\n        // part of the mouse compatibility events on first tap - the carousel\n        // would stop cycling until user tapped out of it;\n        // here, we listen for touchend, explicitly pause the carousel\n        // (as if it's the second time we tap on it, mouseenter compat event\n        // is NOT fired) and after a timeout (to allow for mouse compatibility\n        // events to fire) we explicitly restart cycling\n\n        this.pause()\n        if (this.touchTimeout) {\n          clearTimeout(this.touchTimeout)\n        }\n        this.touchTimeout = setTimeout((event) => this.cycle(event), TOUCHEVENT_COMPAT_WAIT + this._config.interval)\n      }\n    }\n\n    $(this._element.querySelectorAll(SELECTOR_ITEM_IMG))\n      .on(EVENT_DRAG_START, (e) => e.preventDefault())\n\n    if (this._pointerEvent) {\n      $(this._element).on(EVENT_POINTERDOWN, (event) => start(event))\n      $(this._element).on(EVENT_POINTERUP, (event) => end(event))\n\n      this._element.classList.add(CLASS_NAME_POINTER_EVENT)\n    } else {\n      $(this._element).on(EVENT_TOUCHSTART, (event) => start(event))\n      $(this._element).on(EVENT_TOUCHMOVE, (event) => move(event))\n      $(this._element).on(EVENT_TOUCHEND, (event) => end(event))\n    }\n  }\n\n  _keydown(event) {\n    if (/input|textarea/i.test(event.target.tagName)) {\n      return\n    }\n\n    switch (event.which) {\n      case ARROW_LEFT_KEYCODE:\n        event.preventDefault()\n        this.prev()\n        break\n      case ARROW_RIGHT_KEYCODE:\n        event.preventDefault()\n        this.next()\n        break\n      default:\n    }\n  }\n\n  _getItemIndex(element) {\n    this._items = element && element.parentNode\n      ? [].slice.call(element.parentNode.querySelectorAll(SELECTOR_ITEM))\n      : []\n    return this._items.indexOf(element)\n  }\n\n  _getItemByDirection(direction, activeElement) {\n    const isNextDirection = direction === DIRECTION_NEXT\n    const isPrevDirection = direction === DIRECTION_PREV\n    const activeIndex     = this._getItemIndex(activeElement)\n    const lastItemIndex   = this._items.length - 1\n    const isGoingToWrap   = isPrevDirection && activeIndex === 0 ||\n                            isNextDirection && activeIndex === lastItemIndex\n\n    if (isGoingToWrap && !this._config.wrap) {\n      return activeElement\n    }\n\n    const delta     = direction === DIRECTION_PREV ? -1 : 1\n    const itemIndex = (activeIndex + delta) % this._items.length\n\n    return itemIndex === -1\n      ? this._items[this._items.length - 1] : this._items[itemIndex]\n  }\n\n  _triggerSlideEvent(relatedTarget, eventDirectionName) {\n    const targetIndex = this._getItemIndex(relatedTarget)\n    const fromIndex = this._getItemIndex(this._element.querySelector(SELECTOR_ACTIVE_ITEM))\n    const slideEvent = $.Event(EVENT_SLIDE, {\n      relatedTarget,\n      direction: eventDirectionName,\n      from: fromIndex,\n      to: targetIndex\n    })\n\n    $(this._element).trigger(slideEvent)\n\n    return slideEvent\n  }\n\n  _setActiveIndicatorElement(element) {\n    if (this._indicatorsElement) {\n      const indicators = [].slice.call(this._indicatorsElement.querySelectorAll(SELECTOR_ACTIVE))\n      $(indicators).removeClass(CLASS_NAME_ACTIVE)\n\n      const nextIndicator = this._indicatorsElement.children[\n        this._getItemIndex(element)\n      ]\n\n      if (nextIndicator) {\n        $(nextIndicator).addClass(CLASS_NAME_ACTIVE)\n      }\n    }\n  }\n\n  _slide(direction, element) {\n    const activeElement = this._element.querySelector(SELECTOR_ACTIVE_ITEM)\n    const activeElementIndex = this._getItemIndex(activeElement)\n    const nextElement   = element || activeElement &&\n      this._getItemByDirection(direction, activeElement)\n    const nextElementIndex = this._getItemIndex(nextElement)\n    const isCycling = Boolean(this._interval)\n\n    let directionalClassName\n    let orderClassName\n    let eventDirectionName\n\n    if (direction === DIRECTION_NEXT) {\n      directionalClassName = CLASS_NAME_LEFT\n      orderClassName = CLASS_NAME_NEXT\n      eventDirectionName = DIRECTION_LEFT\n    } else {\n      directionalClassName = CLASS_NAME_RIGHT\n      orderClassName = CLASS_NAME_PREV\n      eventDirectionName = DIRECTION_RIGHT\n    }\n\n    if (nextElement && $(nextElement).hasClass(CLASS_NAME_ACTIVE)) {\n      this._isSliding = false\n      return\n    }\n\n    const slideEvent = this._triggerSlideEvent(nextElement, eventDirectionName)\n    if (slideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (!activeElement || !nextElement) {\n      // Some weirdness is happening, so we bail\n      return\n    }\n\n    this._isSliding = true\n\n  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Util.getTransitionDurationFromElement(activeElement)\n\n      $(activeElement)\n        .one(Util.TRANSITION_END, () => {\n          $(nextElement)\n            .removeClass(`${directionalClassName} ${orderClassName}`)\n            .addClass(CLASS_NAME_ACTIVE)\n\n          $(activeElement).removeClass(`${CLASS_NAME_ACTIVE} ${orderClassName} ${directionalClassName}`)\n\n          this._isSliding = false\n\n          setTimeout(() => $(this._element).trigger(slidEvent), 0)\n        })\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      $(activeElement).removeClass(CLASS_NAME_ACTIVE)\n      $(nextElement).addClass(CLASS_NAME_ACTIVE)\n\n      this._isSliding = false\n      $(this._element).trigger(slidEvent)\n    }\n\n    if (isCycling) {\n      this.cycle()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      let _config = {\n        ...Default,\n        ...$(this).data()\n      }\n\n      if (typeof config === 'object') {\n        _config = {\n          ..._config,\n          ...config\n        }\n      }\n\n      const action = typeof config === 'string' ? config : _config.slide\n\n      if (!data) {\n        data = new Carousel(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'number') {\n        data.to(config)\n      } else if (typeof action === 'string') {\n        if (typeof data[action] === 'undefined') {\n          throw new TypeError(`No method named \"${action}\"`)\n        }\n        data[action]()\n      } else if (_config.interval && _config.ride) {\n        data.pause()\n        data.cycle()\n      }\n    })\n  }\n\n  static _dataApiClickHandler(event) {\n    const selector = Util.getSelectorFromElement(this)\n\n    if (!selector) {\n      return\n    }\n\n    const target = $(selector)[0]\n\n    if (!target || !$(target).hasClass(CLASS_NAME_CAROUSEL)) {\n      return\n    }\n\n    const config = 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diff --git a/theme/boost/amd/build/bootstrap/collapse.min.js b/theme/boost/amd/build/bootstrap/collapse.min.js
index 7e84b5834d6..de14b40859d 100644
--- a/theme/boost/amd/build/bootstrap/collapse.min.js
+++ b/theme/boost/amd/build/bootstrap/collapse.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=collapse.min.js.map
+define("theme_boost/bootstrap/collapse",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);var NAME="collapse",DATA_KEY="bs.collapse",EVENT_KEY=".".concat(DATA_KEY),JQUERY_NO_CONFLICT=_jquery.default.fn[NAME],Default={toggle:!0,parent:""},DefaultType={toggle:"boolean",parent:"(string|element)"},EVENT_SHOW="show".concat(EVENT_KEY),EVENT_SHOWN="shown".concat(EVENT_KEY),EVENT_HIDE="hide".concat(EVENT_KEY),EVENT_HIDDEN="hidden".concat(EVENT_KEY),EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api"),Collapse=function(){function Collapse(element,config){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Collapse),this._isTransitioning=!1,this._element=element,this._config=this._getConfig(config),this._triggerArray=[].slice.call(document.querySelectorAll('[data-toggle="collapse"][href="#'.concat(element.id,'"],')+'[data-toggle="collapse"][data-target="#'.concat(element.id,'"]')));for(var toggleList=[].slice.call(document.querySelectorAll('[data-toggle="collapse"]')),i=0,len=toggleList.length;i<len;i++){var elem=toggleList[i],selector=_util.default.getSelectorFromElement(elem),filterElement=[].slice.call(document.querySelectorAll(selector)).filter((function(foundElem){return foundElem===element}));null!==selector&&filterElement.length>0&&(this._selector=selector,this._triggerArray.push(elem))}this._parent=this._config.parent?this._getParent():null,this._config.parent||this._addAriaAndCollapsedClass(this._element,this._triggerArray),this._config.toggle&&this.toggle()}var Constructor,protoProps,staticProps;return Constructor=Collapse,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"Default",get:function(){return Default}},{key:"_getTargetFromElement",value:function(element){var selector=_util.default.getSelectorFromElement(element);return selector?document.querySelector(selector):null}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var $this=(0,_jquery.default)(this),data=$this.data(DATA_KEY),_config=_objectSpread(_objectSpread(_objectSpread({},Default),$this.data()),"object"===_typeof(config)&&config?config:{});if(!data&&_config.toggle&&"string"==typeof config&&/show|hide/.test(config)&&(_config.toggle=!1),data||(data=new Collapse(this,_config),$this.data(DATA_KEY,data)),"string"==typeof config){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config]()}}))}}],(protoProps=[{key:"toggle",value:function(){(0,_jquery.default)(this._element).hasClass("show")?this.hide():this.show()}},{key:"show",value:function(){var actives,activesData,_this=this;if(!(this._isTransitioning||(0,_jquery.default)(this._element).hasClass("show")||(this._parent&&0===(actives=[].slice.call(this._parent.querySelectorAll(".show, .collapsing")).filter((function(elem){return"string"==typeof _this._config.parent?elem.getAttribute("data-parent")===_this._config.parent:elem.classList.contains("collapse")}))).length&&(actives=null),actives&&(activesData=(0,_jquery.default)(actives).not(this._selector).data(DATA_KEY))&&activesData._isTransitioning))){var startEvent=_jquery.default.Event(EVENT_SHOW);if((0,_jquery.default)(this._element).trigger(startEvent),!startEvent.isDefaultPrevented()){actives&&(Collapse._jQueryInterface.call((0,_jquery.default)(actives).not(this._selector),"hide"),activesData||(0,_jquery.default)(actives).data(DATA_KEY,null));var dimension=this._getDimension();(0,_jquery.default)(this._element).removeClass("collapse").addClass("collapsing"),this._element.style[dimension]=0,this._triggerArray.length&&(0,_jquery.default)(this._triggerArray).removeClass("collapsed").attr("aria-expanded",!0),this.setTransitioning(!0);var capitalizedDimension=dimension[0].toUpperCase()+dimension.slice(1),scrollSize="scroll".concat(capitalizedDimension),transitionDuration=_util.default.getTransitionDurationFromElement(this._element);(0,_jquery.default)(this._element).one(_util.default.TRANSITION_END,(function(){(0,_jquery.default)(_this._element).removeClass("collapsing").addClass("".concat("collapse"," ").concat("show")),_this._element.style[dimension]="",_this.setTransitioning(!1),(0,_jquery.default)(_this._element).trigger(EVENT_SHOWN)})).emulateTransitionEnd(transitionDuration),this._element.style[dimension]="".concat(this._element[scrollSize],"px")}}}},{key:"hide",value:function(){var _this2=this;if(!this._isTransitioning&&(0,_jquery.default)(this._element).hasClass("show")){var startEvent=_jquery.default.Event(EVENT_HIDE);if((0,_jquery.default)(this._element).trigger(startEvent),!startEvent.isDefaultPrevented()){var dimension=this._getDimension();this._element.style[dimension]="".concat(this._element.getBoundingClientRect()[dimension],"px"),_util.default.reflow(this._element),(0,_jquery.default)(this._element).addClass("collapsing").removeClass("".concat("collapse"," ").concat("show"));var triggerArrayLength=this._triggerArray.length;if(triggerArrayLength>0)for(var i=0;i<triggerArrayLength;i++){var trigger=this._triggerArray[i],selector=_util.default.getSelectorFromElement(trigger);null!==selector&&((0,_jquery.default)([].slice.call(document.querySelectorAll(selector))).hasClass("show")||(0,_jquery.default)(trigger).addClass("collapsed").attr("aria-expanded",!1))}this.setTransitioning(!0),this._element.style[dimension]="";var transitionDuration=_util.default.getTransitionDurationFromElement(this._element);(0,_jquery.default)(this._element).one(_util.default.TRANSITION_END,(function(){_this2.setTransitioning(!1),(0,_jquery.default)(_this2._element).removeClass("collapsing").addClass("collapse").trigger(EVENT_HIDDEN)})).emulateTransitionEnd(transitionDuration)}}}},{key:"setTransitioning",value:function(isTransitioning){this._isTransitioning=isTransitioning}},{key:"dispose",value:function(){_jquery.default.removeData(this._element,DATA_KEY),this._config=null,this._parent=null,this._element=null,this._triggerArray=null,this._isTransitioning=null}},{key:"_getConfig",value:function(config){return(config=_objectSpread(_objectSpread({},Default),config)).toggle=Boolean(config.toggle),_util.default.typeCheckConfig(NAME,config,DefaultType),config}},{key:"_getDimension",value:function(){return(0,_jquery.default)(this._element).hasClass("width")?"width":"height"}},{key:"_getParent",value:function(){var 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isOpen=(0,_jquery.default)(element).hasClass("show");triggerArray.length&&(0,_jquery.default)(triggerArray).toggleClass("collapsed",!isOpen).attr("aria-expanded",isOpen)}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),Collapse}();(0,_jquery.default)(document).on(EVENT_CLICK_DATA_API,'[data-toggle="collapse"]',(function(event){"A"===event.currentTarget.tagName&&event.preventDefault();var $trigger=(0,_jquery.default)(this),selector=_util.default.getSelectorFromElement(this),selectors=[].slice.call(document.querySelectorAll(selector));(0,_jquery.default)(selectors).each((function(){var 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+
+//# sourceMappingURL=collapse.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/collapse.min.js.map b/theme/boost/amd/build/bootstrap/collapse.min.js.map
index 66d39d075fd..ce3c2a68b5e 100644
--- a/theme/boost/amd/build/bootstrap/collapse.min.js.map
+++ b/theme/boost/amd/build/bootstrap/collapse.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): collapse.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'collapse'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.collapse'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst Default = {\n  toggle : true,\n  parent : ''\n}\n\nconst DefaultType = {\n  toggle : 'boolean',\n  parent : '(string|element)'\n}\n\nconst EVENT_SHOW           = `show${EVENT_KEY}`\nconst EVENT_SHOWN          = `shown${EVENT_KEY}`\nconst EVENT_HIDE           = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN         = `hidden${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_SHOW       = 'show'\nconst CLASS_NAME_COLLAPSE   = 'collapse'\nconst CLASS_NAME_COLLAPSING = 'collapsing'\nconst CLASS_NAME_COLLAPSED  = 'collapsed'\n\nconst DIMENSION_WIDTH  = 'width'\nconst DIMENSION_HEIGHT = 'height'\n\nconst SELECTOR_ACTIVES     = '.show, .collapsing'\nconst SELECTOR_DATA_TOGGLE = '[data-toggle=\"collapse\"]'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Collapse {\n  constructor(element, config) {\n    this._isTransitioning = false\n    this._element         = element\n    this._config          = this._getConfig(config)\n    this._triggerArray    = [].slice.call(document.querySelectorAll(\n      `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n      `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n    ))\n\n    const toggleList = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n    for (let i = 0, len = toggleList.length; i < len; i++) {\n      const elem = toggleList[i]\n      const selector = Util.getSelectorFromElement(elem)\n      const filterElement = [].slice.call(document.querySelectorAll(selector))\n        .filter((foundElem) => foundElem === element)\n\n      if (selector !== null && filterElement.length > 0) {\n        this._selector = selector\n        this._triggerArray.push(elem)\n      }\n    }\n\n    this._parent = this._config.parent ? this._getParent() : null\n\n    if (!this._config.parent) {\n      this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n    }\n\n    if (this._config.toggle) {\n      this.toggle()\n    }\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  toggle() {\n    if ($(this._element).hasClass(CLASS_NAME_SHOW)) {\n      this.hide()\n    } else {\n      this.show()\n    }\n  }\n\n  show() {\n    if (this._isTransitioning ||\n      $(this._element).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    let actives\n    let activesData\n\n    if (this._parent) {\n      actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES))\n        .filter((elem) => {\n          if (typeof this._config.parent === 'string') {\n            return elem.getAttribute('data-parent') === this._config.parent\n          }\n\n          return elem.classList.contains(CLASS_NAME_COLLAPSE)\n        })\n\n      if (actives.length === 0) {\n        actives = null\n      }\n    }\n\n    if (actives) {\n      activesData = $(actives).not(this._selector).data(DATA_KEY)\n      if (activesData && activesData._isTransitioning) {\n        return\n      }\n    }\n\n    const startEvent = $.Event(EVENT_SHOW)\n    $(this._element).trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (actives) {\n      Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')\n      if (!activesData) {\n        $(actives).data(DATA_KEY, null)\n      }\n    }\n\n    const dimension = this._getDimension()\n\n    $(this._element)\n      .removeClass(CLASS_NAME_COLLAPSE)\n      .addClass(CLASS_NAME_COLLAPSING)\n\n    this._element.style[dimension] = 0\n\n    if (this._triggerArray.length) {\n      $(this._triggerArray)\n        .removeClass(CLASS_NAME_COLLAPSED)\n        .attr('aria-expanded', true)\n    }\n\n    this.setTransitioning(true)\n\n    const complete = () => {\n      $(this._element)\n        .removeClass(CLASS_NAME_COLLAPSING)\n        .addClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n      this._element.style[dimension] = ''\n\n      this.setTransitioning(false)\n\n      $(this._element).trigger(EVENT_SHOWN)\n    }\n\n    const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n    const scrollSize = `scroll${capitalizedDimension}`\n    const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n    $(this._element)\n      .one(Util.TRANSITION_END, complete)\n      .emulateTransitionEnd(transitionDuration)\n\n    this._element.style[dimension] = `${this._element[scrollSize]}px`\n  }\n\n  hide() {\n    if (this._isTransitioning ||\n      !$(this._element).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const startEvent = $.Event(EVENT_HIDE)\n    $(this._element).trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) {\n      return\n    }\n\n    const dimension = this._getDimension()\n\n    this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n    Util.reflow(this._element)\n\n    $(this._element)\n      .addClass(CLASS_NAME_COLLAPSING)\n      .removeClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n    const triggerArrayLength = this._triggerArray.length\n    if (triggerArrayLength > 0) {\n      for (let i = 0; i < triggerArrayLength; i++) {\n        const trigger = this._triggerArray[i]\n        const selector = Util.getSelectorFromElement(trigger)\n\n        if (selector !== null) {\n          const $elem = $([].slice.call(document.querySelectorAll(selector)))\n          if (!$elem.hasClass(CLASS_NAME_SHOW)) {\n            $(trigger).addClass(CLASS_NAME_COLLAPSED)\n              .attr('aria-expanded', false)\n          }\n        }\n      }\n    }\n\n    this.setTransitioning(true)\n\n    const complete = () => {\n      this.setTransitioning(false)\n      $(this._element)\n        .removeClass(CLASS_NAME_COLLAPSING)\n        .addClass(CLASS_NAME_COLLAPSE)\n        .trigger(EVENT_HIDDEN)\n    }\n\n    this._element.style[dimension] = ''\n    const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n    $(this._element)\n      .one(Util.TRANSITION_END, complete)\n      .emulateTransitionEnd(transitionDuration)\n  }\n\n  setTransitioning(isTransitioning) {\n    this._isTransitioning = isTransitioning\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n\n    this._config          = null\n    this._parent          = null\n    this._element         = null\n    this._triggerArray    = null\n    this._isTransitioning = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    config.toggle = Boolean(config.toggle) // Coerce string values\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _getDimension() {\n    const hasWidth = $(this._element).hasClass(DIMENSION_WIDTH)\n    return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT\n  }\n\n  _getParent() {\n    let parent\n\n    if (Util.isElement(this._config.parent)) {\n      parent = this._config.parent\n\n      // It's a jQuery object\n      if (typeof this._config.parent.jquery !== 'undefined') {\n        parent = this._config.parent[0]\n      }\n    } else {\n      parent = document.querySelector(this._config.parent)\n    }\n\n    const selector = `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n    const children = [].slice.call(parent.querySelectorAll(selector))\n\n    $(children).each((i, element) => {\n      this._addAriaAndCollapsedClass(\n        Collapse._getTargetFromElement(element),\n        [element]\n      )\n    })\n\n    return parent\n  }\n\n  _addAriaAndCollapsedClass(element, triggerArray) {\n    const isOpen = $(element).hasClass(CLASS_NAME_SHOW)\n\n    if (triggerArray.length) {\n      $(triggerArray)\n        .toggleClass(CLASS_NAME_COLLAPSED, !isOpen)\n        .attr('aria-expanded', isOpen)\n    }\n  }\n\n  // Static\n\n  static _getTargetFromElement(element) {\n    const selector = Util.getSelectorFromElement(element)\n    return selector ? document.querySelector(selector) : null\n  }\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $this   = $(this)\n      let data      = $this.data(DATA_KEY)\n      const _config = {\n        ...Default,\n        ...$this.data(),\n        ...typeof config === 'object' && config ? config : {}\n      }\n\n      if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {\n        _config.toggle = false\n      }\n\n      if (!data) {\n        data = new Collapse(this, _config)\n        $this.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n  // preventDefault only for <a> elements (which change the URL) not inside the collapsible element\n  if (event.currentTarget.tagName === 'A') {\n    event.preventDefault()\n  }\n\n  const $trigger = $(this)\n  const selector = Util.getSelectorFromElement(this)\n  const selectors = [].slice.call(document.querySelectorAll(selector))\n\n  $(selectors).each(function () {\n    const $target = $(this)\n    const data    = $target.data(DATA_KEY)\n    const config  = data ? 'toggle' : $trigger.data()\n    Collapse._jQueryInterface.call($target, config)\n  })\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Collapse._jQueryInterface\n$.fn[NAME].Constructor = Collapse\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Collapse._jQueryInterface\n}\n\nexport default Collapse\n"],"file":"collapse.min.js"}
\ No newline at end of file
+{"version":3,"file":"collapse.min.js","sources":["../../src/bootstrap/collapse.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): collapse.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'collapse'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.collapse'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst DATA_API_KEY        = '.data-api'\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\n\nconst Default = {\n  toggle : true,\n  parent : ''\n}\n\nconst DefaultType = {\n  toggle : 'boolean',\n  parent : '(string|element)'\n}\n\nconst EVENT_SHOW           = `show${EVENT_KEY}`\nconst EVENT_SHOWN          = `shown${EVENT_KEY}`\nconst EVENT_HIDE           = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN         = `hidden${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_SHOW       = 'show'\nconst CLASS_NAME_COLLAPSE   = 'collapse'\nconst CLASS_NAME_COLLAPSING = 'collapsing'\nconst CLASS_NAME_COLLAPSED  = 'collapsed'\n\nconst DIMENSION_WIDTH  = 'width'\nconst DIMENSION_HEIGHT = 'height'\n\nconst SELECTOR_ACTIVES     = '.show, .collapsing'\nconst SELECTOR_DATA_TOGGLE = '[data-toggle=\"collapse\"]'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Collapse {\n  constructor(element, config) {\n    this._isTransitioning = false\n    this._element         = element\n    this._config          = this._getConfig(config)\n    this._triggerArray    = [].slice.call(document.querySelectorAll(\n      `[data-toggle=\"collapse\"][href=\"#${element.id}\"],` +\n      `[data-toggle=\"collapse\"][data-target=\"#${element.id}\"]`\n    ))\n\n    const toggleList = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n    for (let i = 0, len = toggleList.length; i < len; i++) {\n      const elem = toggleList[i]\n      const selector = Util.getSelectorFromElement(elem)\n      const filterElement = [].slice.call(document.querySelectorAll(selector))\n        .filter((foundElem) => foundElem === element)\n\n      if (selector !== null && filterElement.length > 0) {\n        this._selector = selector\n        this._triggerArray.push(elem)\n      }\n    }\n\n    this._parent = this._config.parent ? this._getParent() : null\n\n    if (!this._config.parent) {\n      this._addAriaAndCollapsedClass(this._element, this._triggerArray)\n    }\n\n    if (this._config.toggle) {\n      this.toggle()\n    }\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  toggle() {\n    if ($(this._element).hasClass(CLASS_NAME_SHOW)) {\n      this.hide()\n    } else {\n      this.show()\n    }\n  }\n\n  show() {\n    if (this._isTransitioning ||\n      $(this._element).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    let actives\n    let activesData\n\n    if (this._parent) {\n      actives = [].slice.call(this._parent.querySelectorAll(SELECTOR_ACTIVES))\n        .filter((elem) => {\n          if (typeof this._config.parent === 'string') {\n            return elem.getAttribute('data-parent') === this._config.parent\n          }\n\n          return elem.classList.contains(CLASS_NAME_COLLAPSE)\n        })\n\n      if (actives.length === 0) {\n        actives = null\n      }\n    }\n\n    if (actives) {\n      activesData = $(actives).not(this._selector).data(DATA_KEY)\n      if (activesData && activesData._isTransitioning) {\n        return\n      }\n    }\n\n    const startEvent = $.Event(EVENT_SHOW)\n    $(this._element).trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (actives) {\n      Collapse._jQueryInterface.call($(actives).not(this._selector), 'hide')\n      if (!activesData) {\n        $(actives).data(DATA_KEY, null)\n      }\n    }\n\n    const dimension = this._getDimension()\n\n    $(this._element)\n      .removeClass(CLASS_NAME_COLLAPSE)\n      .addClass(CLASS_NAME_COLLAPSING)\n\n    this._element.style[dimension] = 0\n\n    if (this._triggerArray.length) {\n      $(this._triggerArray)\n        .removeClass(CLASS_NAME_COLLAPSED)\n        .attr('aria-expanded', true)\n    }\n\n    this.setTransitioning(true)\n\n    const complete = () => {\n      $(this._element)\n        .removeClass(CLASS_NAME_COLLAPSING)\n        .addClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n      this._element.style[dimension] = ''\n\n      this.setTransitioning(false)\n\n      $(this._element).trigger(EVENT_SHOWN)\n    }\n\n    const capitalizedDimension = dimension[0].toUpperCase() + dimension.slice(1)\n    const scrollSize = `scroll${capitalizedDimension}`\n    const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n    $(this._element)\n      .one(Util.TRANSITION_END, complete)\n      .emulateTransitionEnd(transitionDuration)\n\n    this._element.style[dimension] = `${this._element[scrollSize]}px`\n  }\n\n  hide() {\n    if (this._isTransitioning ||\n      !$(this._element).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const startEvent = $.Event(EVENT_HIDE)\n    $(this._element).trigger(startEvent)\n    if (startEvent.isDefaultPrevented()) {\n      return\n    }\n\n    const dimension = this._getDimension()\n\n    this._element.style[dimension] = `${this._element.getBoundingClientRect()[dimension]}px`\n\n    Util.reflow(this._element)\n\n    $(this._element)\n      .addClass(CLASS_NAME_COLLAPSING)\n      .removeClass(`${CLASS_NAME_COLLAPSE} ${CLASS_NAME_SHOW}`)\n\n    const triggerArrayLength = this._triggerArray.length\n    if (triggerArrayLength > 0) {\n      for (let i = 0; i < triggerArrayLength; i++) {\n        const trigger = this._triggerArray[i]\n        const selector = Util.getSelectorFromElement(trigger)\n\n        if (selector !== null) {\n          const $elem = $([].slice.call(document.querySelectorAll(selector)))\n          if (!$elem.hasClass(CLASS_NAME_SHOW)) {\n            $(trigger).addClass(CLASS_NAME_COLLAPSED)\n              .attr('aria-expanded', false)\n          }\n        }\n      }\n    }\n\n    this.setTransitioning(true)\n\n    const complete = () => {\n      this.setTransitioning(false)\n      $(this._element)\n        .removeClass(CLASS_NAME_COLLAPSING)\n        .addClass(CLASS_NAME_COLLAPSE)\n        .trigger(EVENT_HIDDEN)\n    }\n\n    this._element.style[dimension] = ''\n    const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n    $(this._element)\n      .one(Util.TRANSITION_END, complete)\n      .emulateTransitionEnd(transitionDuration)\n  }\n\n  setTransitioning(isTransitioning) {\n    this._isTransitioning = isTransitioning\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n\n    this._config          = null\n    this._parent          = null\n    this._element         = null\n    this._triggerArray    = null\n    this._isTransitioning = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    config.toggle = Boolean(config.toggle) // Coerce string values\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _getDimension() {\n    const hasWidth = $(this._element).hasClass(DIMENSION_WIDTH)\n    return hasWidth ? DIMENSION_WIDTH : DIMENSION_HEIGHT\n  }\n\n  _getParent() {\n    let parent\n\n    if (Util.isElement(this._config.parent)) {\n      parent = this._config.parent\n\n      // It's a jQuery object\n      if (typeof this._config.parent.jquery !== 'undefined') {\n        parent = this._config.parent[0]\n      }\n    } else {\n      parent = document.querySelector(this._config.parent)\n    }\n\n    const selector = `[data-toggle=\"collapse\"][data-parent=\"${this._config.parent}\"]`\n    const children = [].slice.call(parent.querySelectorAll(selector))\n\n    $(children).each((i, element) => {\n      this._addAriaAndCollapsedClass(\n        Collapse._getTargetFromElement(element),\n        [element]\n      )\n    })\n\n    return parent\n  }\n\n  _addAriaAndCollapsedClass(element, triggerArray) {\n    const isOpen = $(element).hasClass(CLASS_NAME_SHOW)\n\n    if (triggerArray.length) {\n      $(triggerArray)\n        .toggleClass(CLASS_NAME_COLLAPSED, !isOpen)\n        .attr('aria-expanded', isOpen)\n    }\n  }\n\n  // Static\n\n  static _getTargetFromElement(element) {\n    const selector = Util.getSelectorFromElement(element)\n    return selector ? document.querySelector(selector) : null\n  }\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $this   = $(this)\n      let data      = $this.data(DATA_KEY)\n      const _config = {\n        ...Default,\n        ...$this.data(),\n        ...typeof config === 'object' && config ? config : {}\n      }\n\n      if (!data && _config.toggle && typeof config === 'string' && /show|hide/.test(config)) {\n        _config.toggle = false\n      }\n\n      if (!data) {\n        data = new Collapse(this, _config)\n        $this.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n  // preventDefault only for <a> elements (which change the URL) not inside the collapsible element\n  if (event.currentTarget.tagName === 'A') {\n    event.preventDefault()\n  }\n\n  const $trigger = $(this)\n  const selector = Util.getSelectorFromElement(this)\n  const selectors = [].slice.call(document.querySelectorAll(selector))\n\n  $(selectors).each(function () {\n    const $target = $(this)\n    const data    = $target.data(DATA_KEY)\n    const config  = data ? 'toggle' : $trigger.data()\n    Collapse._jQueryInterface.call($target, config)\n  })\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Collapse._jQueryInterface\n$.fn[NAME].Constructor = Collapse\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Collapse._jQueryInterface\n}\n\nexport default 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diff --git a/theme/boost/amd/build/bootstrap/dropdown.min.js b/theme/boost/amd/build/bootstrap/dropdown.min.js
index f03b23136fb..add063c770c 100644
--- a/theme/boost/amd/build/bootstrap/dropdown.min.js
+++ b/theme/boost/amd/build/bootstrap/dropdown.min.js
@@ -1,2 +1,3 @@
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+define("theme_boost/bootstrap/dropdown",["exports","jquery","core/popper","./util"],(function(_exports,_jquery,_popper,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var 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0,_jquery=_interopRequireDefault(_jquery),_popper=_interopRequireDefault(_popper),_util=_interopRequireDefault(_util);var NAME="dropdown",DATA_KEY="bs.dropdown",EVENT_KEY=".".concat(DATA_KEY),JQUERY_NO_CONFLICT=_jquery.default.fn[NAME],REGEXP_KEYDOWN=new RegExp("".concat(38,"|").concat(40,"|").concat(27)),EVENT_HIDE="hide".concat(EVENT_KEY),EVENT_HIDDEN="hidden".concat(EVENT_KEY),EVENT_SHOW="show".concat(EVENT_KEY),EVENT_SHOWN="shown".concat(EVENT_KEY),EVENT_CLICK="click".concat(EVENT_KEY),EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api"),EVENT_KEYDOWN_DATA_API="keydown".concat(EVENT_KEY).concat(".data-api"),EVENT_KEYUP_DATA_API="keyup".concat(EVENT_KEY).concat(".data-api"),Default={offset:0,flip:!0,boundary:"scrollParent",reference:"toggle",display:"dynamic",popperConfig:null},DefaultType={offset:"(number|string|function)",flip:"boolean",boundary:"(string|element)",reference:"(string|element)",display:"string",popperConfig:"(null|object)"},Dropdown=function(){function Dropdown(element,config){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Dropdown),this._element=element,this._popper=null,this._config=this._getConfig(config),this._menu=this._getMenuElement(),this._inNavbar=this._detectNavbar(),this._addEventListeners()}var Constructor,protoProps,staticProps;return Constructor=Dropdown,protoProps=[{key:"toggle",value:function(){if(!this._element.disabled&&!(0,_jquery.default)(this._element).hasClass("disabled")){var isActive=(0,_jquery.default)(this._menu).hasClass("show");Dropdown._clearMenus(),isActive||this.show(!0)}}},{key:"show",value:function(){var usePopper=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(!(this._element.disabled||(0,_jquery.default)(this._element).hasClass("disabled")||(0,_jquery.default)(this._menu).hasClass("show"))){var relatedTarget={relatedTarget:this._element},showEvent=_jquery.default.Event(EVENT_SHOW,relatedTarget),parent=Dropdown._getParentFromElement(this._element);if((0,_jquery.default)(parent).trigger(showEvent),!showEvent.isDefaultPrevented()){if(!this._inNavbar&&usePopper){if(void 0===_popper.default)throw new TypeError("Bootstrap's dropdowns require Popper.js (https://popper.js.org/)");var referenceElement=this._element;"parent"===this._config.reference?referenceElement=parent:_util.default.isElement(this._config.reference)&&(referenceElement=this._config.reference,void 0!==this._config.reference.jquery&&(referenceElement=this._config.reference[0])),"scrollParent"!==this._config.boundary&&(0,_jquery.default)(parent).addClass("position-static"),this._popper=new _popper.default(referenceElement,this._menu,this._getPopperConfig())}"ontouchstart"in document.documentElement&&0===(0,_jquery.default)(parent).closest(".navbar-nav").length&&(0,_jquery.default)(document.body).children().on("mouseover",null,_jquery.default.noop),this._element.focus(),this._element.setAttribute("aria-expanded",!0),(0,_jquery.default)(this._menu).toggleClass("show"),(0,_jquery.default)(parent).toggleClass("show").trigger(_jquery.default.Event(EVENT_SHOWN,relatedTarget))}}}},{key:"hide",value:function(){if(!this._element.disabled&&!(0,_jquery.default)(this._element).hasClass("disabled")&&(0,_jquery.default)(this._menu).hasClass("show")){var 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_this=this;(0,_jquery.default)(this._element).on(EVENT_CLICK,(function(event){event.preventDefault(),event.stopPropagation(),_this.toggle()}))}},{key:"_getConfig",value:function(config){return config=_objectSpread(_objectSpread(_objectSpread({},this.constructor.Default),(0,_jquery.default)(this._element).data()),config),_util.default.typeCheckConfig(NAME,config,this.constructor.DefaultType),config}},{key:"_getMenuElement",value:function(){if(!this._menu){var parent=Dropdown._getParentFromElement(this._element);parent&&(this._menu=parent.querySelector(".dropdown-menu"))}return this._menu}},{key:"_getPlacement",value:function(){var $parentDropdown=(0,_jquery.default)(this._element.parentNode),placement="bottom-start";return $parentDropdown.hasClass("dropup")?placement=(0,_jquery.default)(this._menu).hasClass("dropdown-menu-right")?"top-end":"top-start":$parentDropdown.hasClass("dropright")?placement="right-start":$parentDropdown.hasClass("dropleft")?placement="left-start":(0,_jquery.default)(this._menu).hasClass("dropdown-menu-right")&&(placement="bottom-end"),placement}},{key:"_detectNavbar",value:function(){return(0,_jquery.default)(this._element).closest(".navbar").length>0}},{key:"_getOffset",value:function(){var _this2=this,offset={};return"function"==typeof this._config.offset?offset.fn=function(data){return data.offsets=_objectSpread(_objectSpread({},data.offsets),_this2._config.offset(data.offsets,_this2._element)||{}),data}:offset.offset=this._config.offset,offset}},{key:"_getPopperConfig",value:function(){var popperConfig={placement:this._getPlacement(),modifiers:{offset:this._getOffset(),flip:{enabled:this._config.flip},preventOverflow:{boundariesElement:this._config.boundary}}};return"static"===this._config.display&&(popperConfig.modifiers.applyStyle={enabled:!1}),_objectSpread(_objectSpread({},popperConfig),this._config.popperConfig)}}],staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"Default",get:function(){return Default}},{key:"DefaultType",get:function(){return DefaultType}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var data=(0,_jquery.default)(this).data(DATA_KEY),_config="object"===_typeof(config)?config:null;if(data||(data=new Dropdown(this,_config),(0,_jquery.default)(this).data(DATA_KEY,data)),"string"==typeof config){if(void 0===data[config])throw new TypeError('No method named 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document.documentElement&&(0,_jquery.default)(document.body).children().off("mouseover",null,_jquery.default.noop),toggles[i].setAttribute("aria-expanded","false"),context._popper&&context._popper.destroy(),(0,_jquery.default)(dropdownMenu).removeClass("show"),(0,_jquery.default)(parent).removeClass("show").trigger(_jquery.default.Event(EVENT_HIDDEN,relatedTarget)))}}}}},{key:"_getParentFromElement",value:function(element){var parent,selector=_util.default.getSelectorFromElement(element);return selector&&(parent=document.querySelector(selector)),parent||element.parentNode}},{key:"_dataApiKeydownHandler",value:function(event){if(!(/input|textarea/i.test(event.target.tagName)?32===event.which||27!==event.which&&(40!==event.which&&38!==event.which||(0,_jquery.default)(event.target).closest(".dropdown-menu").length):!REGEXP_KEYDOWN.test(event.which))&&!this.disabled&&!(0,_jquery.default)(this).hasClass("disabled")){var 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diff --git a/theme/boost/amd/build/bootstrap/dropdown.min.js.map b/theme/boost/amd/build/bootstrap/dropdown.min.js.map
index 69875bbb7d7..7a74f9649a3 100644
--- a/theme/boost/amd/build/bootstrap/dropdown.min.js.map
+++ b/theme/boost/amd/build/bootstrap/dropdown.min.js.map
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Popper from 'core/popper'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                     = 'dropdown'\nconst VERSION                  = '4.5.0'\nconst DATA_KEY                 = 'bs.dropdown'\nconst EVENT_KEY                = `.${DATA_KEY}`\nconst DATA_API_KEY             = '.data-api'\nconst JQUERY_NO_CONFLICT       = $.fn[NAME]\nconst ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\nconst SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key\nconst TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key\nconst ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\nconst ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\nconst RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\nconst REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\nconst EVENT_HIDE             = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN           = `hidden${EVENT_KEY}`\nconst EVENT_SHOW             = `show${EVENT_KEY}`\nconst EVENT_SHOWN            = `shown${EVENT_KEY}`\nconst EVENT_CLICK            = `click${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API   = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYDOWN_DATA_API = `keydown${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYUP_DATA_API   = `keyup${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DISABLED        = 'disabled'\nconst CLASS_NAME_SHOW            = 'show'\nconst CLASS_NAME_DROPUP          = 'dropup'\nconst CLASS_NAME_DROPRIGHT       = 'dropright'\nconst CLASS_NAME_DROPLEFT        = 'dropleft'\nconst CLASS_NAME_MENURIGHT       = 'dropdown-menu-right'\nconst CLASS_NAME_POSITION_STATIC = 'position-static'\n\nconst SELECTOR_DATA_TOGGLE   = '[data-toggle=\"dropdown\"]'\nconst SELECTOR_FORM_CHILD    = '.dropdown form'\nconst SELECTOR_MENU          = '.dropdown-menu'\nconst SELECTOR_NAVBAR_NAV    = '.navbar-nav'\nconst SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'\n\nconst PLACEMENT_TOP       = 'top-start'\nconst PLACEMENT_TOPEND    = 'top-end'\nconst PLACEMENT_BOTTOM    = 'bottom-start'\nconst PLACEMENT_BOTTOMEND = 'bottom-end'\nconst PLACEMENT_RIGHT     = 'right-start'\nconst PLACEMENT_LEFT      = 'left-start'\n\nconst Default = {\n  offset       : 0,\n  flip         : true,\n  boundary     : 'scrollParent',\n  reference    : 'toggle',\n  display      : 'dynamic',\n  popperConfig : null\n}\n\nconst DefaultType = {\n  offset       : '(number|string|function)',\n  flip         : 'boolean',\n  boundary     : '(string|element)',\n  reference    : '(string|element)',\n  display      : 'string',\n  popperConfig : '(null|object)'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Dropdown {\n  constructor(element, config) {\n    this._element  = element\n    this._popper   = null\n    this._config   = this._getConfig(config)\n    this._menu     = this._getMenuElement()\n    this._inNavbar = this._detectNavbar()\n\n    this._addEventListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Public\n\n  toggle() {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    const isActive = $(this._menu).hasClass(CLASS_NAME_SHOW)\n\n    Dropdown._clearMenus()\n\n    if (isActive) {\n      return\n    }\n\n    this.show(true)\n  }\n\n  show(usePopper = false) {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || $(this._menu).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const relatedTarget = {\n      relatedTarget: this._element\n    }\n    const showEvent = $.Event(EVENT_SHOW, relatedTarget)\n    const parent = Dropdown._getParentFromElement(this._element)\n\n    $(parent).trigger(showEvent)\n\n    if (showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    // Disable totally Popper.js for Dropdown in Navbar\n    if (!this._inNavbar && usePopper) {\n      /**\n       * Check for Popper dependency\n       * Popper - https://popper.js.org\n       */\n      if (typeof Popper === 'undefined') {\n        throw new TypeError('Bootstrap\\'s dropdowns require Popper.js (https://popper.js.org/)')\n      }\n\n      let referenceElement = this._element\n\n      if (this._config.reference === 'parent') {\n        referenceElement = parent\n      } else if (Util.isElement(this._config.reference)) {\n        referenceElement = this._config.reference\n\n        // Check if it's jQuery element\n        if (typeof this._config.reference.jquery !== 'undefined') {\n          referenceElement = this._config.reference[0]\n        }\n      }\n\n      // If boundary is not `scrollParent`, then set position to `static`\n      // to allow the menu to \"escape\" the scroll parent's boundaries\n      // https://github.com/twbs/bootstrap/issues/24251\n      if (this._config.boundary !== 'scrollParent') {\n        $(parent).addClass(CLASS_NAME_POSITION_STATIC)\n      }\n      this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig())\n    }\n\n    // If this is a touch-enabled device we add extra\n    // empty mouseover listeners to the body's immediate children;\n    // only needed because of broken event delegation on iOS\n    // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n    if ('ontouchstart' in document.documentElement &&\n        $(parent).closest(SELECTOR_NAVBAR_NAV).length === 0) {\n      $(document.body).children().on('mouseover', null, $.noop)\n    }\n\n    this._element.focus()\n    this._element.setAttribute('aria-expanded', true)\n\n    $(this._menu).toggleClass(CLASS_NAME_SHOW)\n    $(parent)\n      .toggleClass(CLASS_NAME_SHOW)\n      .trigger($.Event(EVENT_SHOWN, relatedTarget))\n  }\n\n  hide() {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || !$(this._menu).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const relatedTarget = {\n      relatedTarget: this._element\n    }\n    const hideEvent = $.Event(EVENT_HIDE, relatedTarget)\n    const parent = Dropdown._getParentFromElement(this._element)\n\n    $(parent).trigger(hideEvent)\n\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (this._popper) {\n      this._popper.destroy()\n    }\n\n    $(this._menu).toggleClass(CLASS_NAME_SHOW)\n    $(parent)\n      .toggleClass(CLASS_NAME_SHOW)\n      .trigger($.Event(EVENT_HIDDEN, relatedTarget))\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    $(this._element).off(EVENT_KEY)\n    this._element = null\n    this._menu = null\n    if (this._popper !== null) {\n      this._popper.destroy()\n      this._popper = null\n    }\n  }\n\n  update() {\n    this._inNavbar = this._detectNavbar()\n    if (this._popper !== null) {\n      this._popper.scheduleUpdate()\n    }\n  }\n\n  // Private\n\n  _addEventListeners() {\n    $(this._element).on(EVENT_CLICK, (event) => {\n      event.preventDefault()\n      event.stopPropagation()\n      this.toggle()\n    })\n  }\n\n  _getConfig(config) {\n    config = {\n      ...this.constructor.Default,\n      ...$(this._element).data(),\n      ...config\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    return config\n  }\n\n  _getMenuElement() {\n    if (!this._menu) {\n      const parent = Dropdown._getParentFromElement(this._element)\n\n      if (parent) {\n        this._menu = parent.querySelector(SELECTOR_MENU)\n      }\n    }\n    return this._menu\n  }\n\n  _getPlacement() {\n    const $parentDropdown = $(this._element.parentNode)\n    let placement = PLACEMENT_BOTTOM\n\n    // Handle dropup\n    if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {\n      placement = $(this._menu).hasClass(CLASS_NAME_MENURIGHT)\n        ? PLACEMENT_TOPEND\n        : PLACEMENT_TOP\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {\n      placement = PLACEMENT_RIGHT\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {\n      placement = PLACEMENT_LEFT\n    } else if ($(this._menu).hasClass(CLASS_NAME_MENURIGHT)) {\n      placement = PLACEMENT_BOTTOMEND\n    }\n    return placement\n  }\n\n  _detectNavbar() {\n    return $(this._element).closest('.navbar').length > 0\n  }\n\n  _getOffset() {\n    const offset = {}\n\n    if (typeof this._config.offset === 'function') {\n      offset.fn = (data) => {\n        data.offsets = {\n          ...data.offsets,\n          ...this._config.offset(data.offsets, this._element) || {}\n        }\n\n        return data\n      }\n    } else {\n      offset.offset = this._config.offset\n    }\n\n    return offset\n  }\n\n  _getPopperConfig() {\n    const popperConfig = {\n      placement: this._getPlacement(),\n      modifiers: {\n        offset: this._getOffset(),\n        flip: {\n          enabled: this._config.flip\n        },\n        preventOverflow: {\n          boundariesElement: this._config.boundary\n        }\n      }\n    }\n\n    // Disable Popper.js if we have a static display\n    if (this._config.display === 'static') {\n      popperConfig.modifiers.applyStyle = {\n        enabled: false\n      }\n    }\n\n    return {\n      ...popperConfig,\n      ...this._config.popperConfig\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' ? config : null\n\n      if (!data) {\n        data = new Dropdown(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n\n  static _clearMenus(event) {\n    if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||\n      event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n      return\n    }\n\n    const toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n\n    for (let i = 0, len = toggles.length; i < len; i++) {\n      const parent = Dropdown._getParentFromElement(toggles[i])\n      const context = $(toggles[i]).data(DATA_KEY)\n      const relatedTarget = {\n        relatedTarget: toggles[i]\n      }\n\n      if (event && event.type === 'click') {\n        relatedTarget.clickEvent = event\n      }\n\n      if (!context) {\n        continue\n      }\n\n      const dropdownMenu = context._menu\n      if (!$(parent).hasClass(CLASS_NAME_SHOW)) {\n        continue\n      }\n\n      if (event && (event.type === 'click' &&\n          /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) &&\n          $.contains(parent, event.target)) {\n        continue\n      }\n\n      const hideEvent = $.Event(EVENT_HIDE, relatedTarget)\n      $(parent).trigger(hideEvent)\n      if (hideEvent.isDefaultPrevented()) {\n        continue\n      }\n\n      // If this is a touch-enabled device we remove the extra\n      // empty mouseover listeners we added for iOS support\n      if ('ontouchstart' in document.documentElement) {\n        $(document.body).children().off('mouseover', null, $.noop)\n      }\n\n      toggles[i].setAttribute('aria-expanded', 'false')\n\n      if (context._popper) {\n        context._popper.destroy()\n      }\n\n      $(dropdownMenu).removeClass(CLASS_NAME_SHOW)\n      $(parent)\n        .removeClass(CLASS_NAME_SHOW)\n        .trigger($.Event(EVENT_HIDDEN, relatedTarget))\n    }\n  }\n\n  static _getParentFromElement(element) {\n    let parent\n    const selector = Util.getSelectorFromElement(element)\n\n    if (selector) {\n      parent = document.querySelector(selector)\n    }\n\n    return parent || element.parentNode\n  }\n\n  // eslint-disable-next-line complexity\n  static _dataApiKeydownHandler(event) {\n    // If not input/textarea:\n    //  - And not a key in REGEXP_KEYDOWN => not a dropdown command\n    // If input/textarea:\n    //  - If space key => not a dropdown command\n    //  - If key is other than escape\n    //    - If key is not up or down => not a dropdown command\n    //    - If trigger inside the menu => not a dropdown command\n    if (/input|textarea/i.test(event.target.tagName)\n      ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE &&\n      (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE ||\n        $(event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {\n      return\n    }\n\n    if (this.disabled || $(this).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    const parent   = Dropdown._getParentFromElement(this)\n    const isActive = $(parent).hasClass(CLASS_NAME_SHOW)\n\n    if (!isActive && event.which === ESCAPE_KEYCODE) {\n      return\n    }\n\n    event.preventDefault()\n    event.stopPropagation()\n\n    if (!isActive || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n      if (event.which === ESCAPE_KEYCODE) {\n        $(parent.querySelector(SELECTOR_DATA_TOGGLE)).trigger('focus')\n      }\n\n      $(this).trigger('click')\n      return\n    }\n\n    const items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS))\n      .filter((item) => $(item).is(':visible'))\n\n    if (items.length === 0) {\n      return\n    }\n\n    let index = items.indexOf(event.target)\n\n    if (event.which === ARROW_UP_KEYCODE && index > 0) { // Up\n      index--\n    }\n\n    if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // Down\n      index++\n    }\n\n    if (index < 0) {\n      index = 0\n    }\n\n    items[index].focus()\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown._dataApiKeydownHandler)\n  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler)\n  .on(`${EVENT_CLICK_DATA_API} ${EVENT_KEYUP_DATA_API}`, Dropdown._clearMenus)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    event.stopPropagation()\n    Dropdown._jQueryInterface.call($(this), 'toggle')\n  })\n  .on(EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, (e) => {\n    e.stopPropagation()\n  })\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Dropdown._jQueryInterface\n$.fn[NAME].Constructor = Dropdown\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Dropdown._jQueryInterface\n}\n\nexport default Dropdown\n"],"file":"dropdown.min.js"}
\ No newline at end of file
+{"version":3,"file":"dropdown.min.js","sources":["../../src/bootstrap/dropdown.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): dropdown.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Popper from 'core/popper'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                     = 'dropdown'\nconst VERSION                  = '4.5.0'\nconst DATA_KEY                 = 'bs.dropdown'\nconst EVENT_KEY                = `.${DATA_KEY}`\nconst DATA_API_KEY             = '.data-api'\nconst JQUERY_NO_CONFLICT       = $.fn[NAME]\nconst ESCAPE_KEYCODE           = 27 // KeyboardEvent.which value for Escape (Esc) key\nconst SPACE_KEYCODE            = 32 // KeyboardEvent.which value for space key\nconst TAB_KEYCODE              = 9 // KeyboardEvent.which value for tab key\nconst ARROW_UP_KEYCODE         = 38 // KeyboardEvent.which value for up arrow key\nconst ARROW_DOWN_KEYCODE       = 40 // KeyboardEvent.which value for down arrow key\nconst RIGHT_MOUSE_BUTTON_WHICH = 3 // MouseEvent.which value for the right button (assuming a right-handed mouse)\nconst REGEXP_KEYDOWN           = new RegExp(`${ARROW_UP_KEYCODE}|${ARROW_DOWN_KEYCODE}|${ESCAPE_KEYCODE}`)\n\nconst EVENT_HIDE             = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN           = `hidden${EVENT_KEY}`\nconst EVENT_SHOW             = `show${EVENT_KEY}`\nconst EVENT_SHOWN            = `shown${EVENT_KEY}`\nconst EVENT_CLICK            = `click${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API   = `click${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYDOWN_DATA_API = `keydown${EVENT_KEY}${DATA_API_KEY}`\nconst EVENT_KEYUP_DATA_API   = `keyup${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DISABLED        = 'disabled'\nconst CLASS_NAME_SHOW            = 'show'\nconst CLASS_NAME_DROPUP          = 'dropup'\nconst CLASS_NAME_DROPRIGHT       = 'dropright'\nconst CLASS_NAME_DROPLEFT        = 'dropleft'\nconst CLASS_NAME_MENURIGHT       = 'dropdown-menu-right'\nconst CLASS_NAME_POSITION_STATIC = 'position-static'\n\nconst SELECTOR_DATA_TOGGLE   = '[data-toggle=\"dropdown\"]'\nconst SELECTOR_FORM_CHILD    = '.dropdown form'\nconst SELECTOR_MENU          = '.dropdown-menu'\nconst SELECTOR_NAVBAR_NAV    = '.navbar-nav'\nconst SELECTOR_VISIBLE_ITEMS = '.dropdown-menu .dropdown-item:not(.disabled):not(:disabled)'\n\nconst PLACEMENT_TOP       = 'top-start'\nconst PLACEMENT_TOPEND    = 'top-end'\nconst PLACEMENT_BOTTOM    = 'bottom-start'\nconst PLACEMENT_BOTTOMEND = 'bottom-end'\nconst PLACEMENT_RIGHT     = 'right-start'\nconst PLACEMENT_LEFT      = 'left-start'\n\nconst Default = {\n  offset       : 0,\n  flip         : true,\n  boundary     : 'scrollParent',\n  reference    : 'toggle',\n  display      : 'dynamic',\n  popperConfig : null\n}\n\nconst DefaultType = {\n  offset       : '(number|string|function)',\n  flip         : 'boolean',\n  boundary     : '(string|element)',\n  reference    : '(string|element)',\n  display      : 'string',\n  popperConfig : '(null|object)'\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Dropdown {\n  constructor(element, config) {\n    this._element  = element\n    this._popper   = null\n    this._config   = this._getConfig(config)\n    this._menu     = this._getMenuElement()\n    this._inNavbar = this._detectNavbar()\n\n    this._addEventListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Public\n\n  toggle() {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    const isActive = $(this._menu).hasClass(CLASS_NAME_SHOW)\n\n    Dropdown._clearMenus()\n\n    if (isActive) {\n      return\n    }\n\n    this.show(true)\n  }\n\n  show(usePopper = false) {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || $(this._menu).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const relatedTarget = {\n      relatedTarget: this._element\n    }\n    const showEvent = $.Event(EVENT_SHOW, relatedTarget)\n    const parent = Dropdown._getParentFromElement(this._element)\n\n    $(parent).trigger(showEvent)\n\n    if (showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    // Disable totally Popper.js for Dropdown in Navbar\n    if (!this._inNavbar && usePopper) {\n      /**\n       * Check for Popper dependency\n       * Popper - https://popper.js.org\n       */\n      if (typeof Popper === 'undefined') {\n        throw new TypeError('Bootstrap\\'s dropdowns require Popper.js (https://popper.js.org/)')\n      }\n\n      let referenceElement = this._element\n\n      if (this._config.reference === 'parent') {\n        referenceElement = parent\n      } else if (Util.isElement(this._config.reference)) {\n        referenceElement = this._config.reference\n\n        // Check if it's jQuery element\n        if (typeof this._config.reference.jquery !== 'undefined') {\n          referenceElement = this._config.reference[0]\n        }\n      }\n\n      // If boundary is not `scrollParent`, then set position to `static`\n      // to allow the menu to \"escape\" the scroll parent's boundaries\n      // https://github.com/twbs/bootstrap/issues/24251\n      if (this._config.boundary !== 'scrollParent') {\n        $(parent).addClass(CLASS_NAME_POSITION_STATIC)\n      }\n      this._popper = new Popper(referenceElement, this._menu, this._getPopperConfig())\n    }\n\n    // If this is a touch-enabled device we add extra\n    // empty mouseover listeners to the body's immediate children;\n    // only needed because of broken event delegation on iOS\n    // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n    if ('ontouchstart' in document.documentElement &&\n        $(parent).closest(SELECTOR_NAVBAR_NAV).length === 0) {\n      $(document.body).children().on('mouseover', null, $.noop)\n    }\n\n    this._element.focus()\n    this._element.setAttribute('aria-expanded', true)\n\n    $(this._menu).toggleClass(CLASS_NAME_SHOW)\n    $(parent)\n      .toggleClass(CLASS_NAME_SHOW)\n      .trigger($.Event(EVENT_SHOWN, relatedTarget))\n  }\n\n  hide() {\n    if (this._element.disabled || $(this._element).hasClass(CLASS_NAME_DISABLED) || !$(this._menu).hasClass(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const relatedTarget = {\n      relatedTarget: this._element\n    }\n    const hideEvent = $.Event(EVENT_HIDE, relatedTarget)\n    const parent = Dropdown._getParentFromElement(this._element)\n\n    $(parent).trigger(hideEvent)\n\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (this._popper) {\n      this._popper.destroy()\n    }\n\n    $(this._menu).toggleClass(CLASS_NAME_SHOW)\n    $(parent)\n      .toggleClass(CLASS_NAME_SHOW)\n      .trigger($.Event(EVENT_HIDDEN, relatedTarget))\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    $(this._element).off(EVENT_KEY)\n    this._element = null\n    this._menu = null\n    if (this._popper !== null) {\n      this._popper.destroy()\n      this._popper = null\n    }\n  }\n\n  update() {\n    this._inNavbar = this._detectNavbar()\n    if (this._popper !== null) {\n      this._popper.scheduleUpdate()\n    }\n  }\n\n  // Private\n\n  _addEventListeners() {\n    $(this._element).on(EVENT_CLICK, (event) => {\n      event.preventDefault()\n      event.stopPropagation()\n      this.toggle()\n    })\n  }\n\n  _getConfig(config) {\n    config = {\n      ...this.constructor.Default,\n      ...$(this._element).data(),\n      ...config\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    return config\n  }\n\n  _getMenuElement() {\n    if (!this._menu) {\n      const parent = Dropdown._getParentFromElement(this._element)\n\n      if (parent) {\n        this._menu = parent.querySelector(SELECTOR_MENU)\n      }\n    }\n    return this._menu\n  }\n\n  _getPlacement() {\n    const $parentDropdown = $(this._element.parentNode)\n    let placement = PLACEMENT_BOTTOM\n\n    // Handle dropup\n    if ($parentDropdown.hasClass(CLASS_NAME_DROPUP)) {\n      placement = $(this._menu).hasClass(CLASS_NAME_MENURIGHT)\n        ? PLACEMENT_TOPEND\n        : PLACEMENT_TOP\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPRIGHT)) {\n      placement = PLACEMENT_RIGHT\n    } else if ($parentDropdown.hasClass(CLASS_NAME_DROPLEFT)) {\n      placement = PLACEMENT_LEFT\n    } else if ($(this._menu).hasClass(CLASS_NAME_MENURIGHT)) {\n      placement = PLACEMENT_BOTTOMEND\n    }\n    return placement\n  }\n\n  _detectNavbar() {\n    return $(this._element).closest('.navbar').length > 0\n  }\n\n  _getOffset() {\n    const offset = {}\n\n    if (typeof this._config.offset === 'function') {\n      offset.fn = (data) => {\n        data.offsets = {\n          ...data.offsets,\n          ...this._config.offset(data.offsets, this._element) || {}\n        }\n\n        return data\n      }\n    } else {\n      offset.offset = this._config.offset\n    }\n\n    return offset\n  }\n\n  _getPopperConfig() {\n    const popperConfig = {\n      placement: this._getPlacement(),\n      modifiers: {\n        offset: this._getOffset(),\n        flip: {\n          enabled: this._config.flip\n        },\n        preventOverflow: {\n          boundariesElement: this._config.boundary\n        }\n      }\n    }\n\n    // Disable Popper.js if we have a static display\n    if (this._config.display === 'static') {\n      popperConfig.modifiers.applyStyle = {\n        enabled: false\n      }\n    }\n\n    return {\n      ...popperConfig,\n      ...this._config.popperConfig\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' ? config : null\n\n      if (!data) {\n        data = new Dropdown(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n\n  static _clearMenus(event) {\n    if (event && (event.which === RIGHT_MOUSE_BUTTON_WHICH ||\n      event.type === 'keyup' && event.which !== TAB_KEYCODE)) {\n      return\n    }\n\n    const toggles = [].slice.call(document.querySelectorAll(SELECTOR_DATA_TOGGLE))\n\n    for (let i = 0, len = toggles.length; i < len; i++) {\n      const parent = Dropdown._getParentFromElement(toggles[i])\n      const context = $(toggles[i]).data(DATA_KEY)\n      const relatedTarget = {\n        relatedTarget: toggles[i]\n      }\n\n      if (event && event.type === 'click') {\n        relatedTarget.clickEvent = event\n      }\n\n      if (!context) {\n        continue\n      }\n\n      const dropdownMenu = context._menu\n      if (!$(parent).hasClass(CLASS_NAME_SHOW)) {\n        continue\n      }\n\n      if (event && (event.type === 'click' &&\n          /input|textarea/i.test(event.target.tagName) || event.type === 'keyup' && event.which === TAB_KEYCODE) &&\n          $.contains(parent, event.target)) {\n        continue\n      }\n\n      const hideEvent = $.Event(EVENT_HIDE, relatedTarget)\n      $(parent).trigger(hideEvent)\n      if (hideEvent.isDefaultPrevented()) {\n        continue\n      }\n\n      // If this is a touch-enabled device we remove the extra\n      // empty mouseover listeners we added for iOS support\n      if ('ontouchstart' in document.documentElement) {\n        $(document.body).children().off('mouseover', null, $.noop)\n      }\n\n      toggles[i].setAttribute('aria-expanded', 'false')\n\n      if (context._popper) {\n        context._popper.destroy()\n      }\n\n      $(dropdownMenu).removeClass(CLASS_NAME_SHOW)\n      $(parent)\n        .removeClass(CLASS_NAME_SHOW)\n        .trigger($.Event(EVENT_HIDDEN, relatedTarget))\n    }\n  }\n\n  static _getParentFromElement(element) {\n    let parent\n    const selector = Util.getSelectorFromElement(element)\n\n    if (selector) {\n      parent = document.querySelector(selector)\n    }\n\n    return parent || element.parentNode\n  }\n\n  // eslint-disable-next-line complexity\n  static _dataApiKeydownHandler(event) {\n    // If not input/textarea:\n    //  - And not a key in REGEXP_KEYDOWN => not a dropdown command\n    // If input/textarea:\n    //  - If space key => not a dropdown command\n    //  - If key is other than escape\n    //    - If key is not up or down => not a dropdown command\n    //    - If trigger inside the menu => not a dropdown command\n    if (/input|textarea/i.test(event.target.tagName)\n      ? event.which === SPACE_KEYCODE || event.which !== ESCAPE_KEYCODE &&\n      (event.which !== ARROW_DOWN_KEYCODE && event.which !== ARROW_UP_KEYCODE ||\n        $(event.target).closest(SELECTOR_MENU).length) : !REGEXP_KEYDOWN.test(event.which)) {\n      return\n    }\n\n    if (this.disabled || $(this).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    const parent   = Dropdown._getParentFromElement(this)\n    const isActive = $(parent).hasClass(CLASS_NAME_SHOW)\n\n    if (!isActive && event.which === ESCAPE_KEYCODE) {\n      return\n    }\n\n    event.preventDefault()\n    event.stopPropagation()\n\n    if (!isActive || isActive && (event.which === ESCAPE_KEYCODE || event.which === SPACE_KEYCODE)) {\n      if (event.which === ESCAPE_KEYCODE) {\n        $(parent.querySelector(SELECTOR_DATA_TOGGLE)).trigger('focus')\n      }\n\n      $(this).trigger('click')\n      return\n    }\n\n    const items = [].slice.call(parent.querySelectorAll(SELECTOR_VISIBLE_ITEMS))\n      .filter((item) => $(item).is(':visible'))\n\n    if (items.length === 0) {\n      return\n    }\n\n    let index = items.indexOf(event.target)\n\n    if (event.which === ARROW_UP_KEYCODE && index > 0) { // Up\n      index--\n    }\n\n    if (event.which === ARROW_DOWN_KEYCODE && index < items.length - 1) { // Down\n      index++\n    }\n\n    if (index < 0) {\n      index = 0\n    }\n\n    items[index].focus()\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_DATA_TOGGLE, Dropdown._dataApiKeydownHandler)\n  .on(EVENT_KEYDOWN_DATA_API, SELECTOR_MENU, Dropdown._dataApiKeydownHandler)\n  .on(`${EVENT_CLICK_DATA_API} ${EVENT_KEYUP_DATA_API}`, Dropdown._clearMenus)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    event.stopPropagation()\n    Dropdown._jQueryInterface.call($(this), 'toggle')\n  })\n  .on(EVENT_CLICK_DATA_API, SELECTOR_FORM_CHILD, (e) => {\n    e.stopPropagation()\n  })\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Dropdown._jQueryInterface\n$.fn[NAME].Constructor = Dropdown\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Dropdown._jQueryInterface\n}\n\nexport default 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diff --git a/theme/boost/amd/build/bootstrap/index.min.js b/theme/boost/amd/build/bootstrap/index.min.js
index 9bcd5b1c437..6d76fbb6892 100644
--- a/theme/boost/amd/build/bootstrap/index.min.js
+++ b/theme/boost/amd/build/bootstrap/index.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/bootstrap/index",["exports","./alert","./button","./carousel","./collapse","./dropdown","./modal","./popover","./scrollspy","./tab","./toast","./tooltip","./util"],function(a,b,c,d,e,f,g,h,i,j,k,l,m){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"Alert",{enumerable:!0,get:function get(){return b.default}});Object.defineProperty(a,"Button",{enumerable:!0,get:function get(){return c.default}});Object.defineProperty(a,"Carousel",{enumerable:!0,get:function get(){return d.default}});Object.defineProperty(a,"Collapse",{enumerable:!0,get:function get(){return e.default}});Object.defineProperty(a,"Dropdown",{enumerable:!0,get:function get(){return f.default}});Object.defineProperty(a,"Modal",{enumerable:!0,get:function get(){return g.default}});Object.defineProperty(a,"Popover",{enumerable:!0,get:function get(){return h.default}});Object.defineProperty(a,"Scrollspy",{enumerable:!0,get:function get(){return i.default}});Object.defineProperty(a,"Tab",{enumerable:!0,get:function get(){return j.default}});Object.defineProperty(a,"Toast",{enumerable:!0,get:function get(){return k.default}});Object.defineProperty(a,"Tooltip",{enumerable:!0,get:function get(){return l.default}});Object.defineProperty(a,"Util",{enumerable:!0,get:function get(){return m.default}});b=n(b);c=n(c);d=n(d);e=n(e);f=n(f);g=n(g);h=n(h);i=n(i);j=n(j);k=n(k);l=n(l);m=n(m);function n(a){return a&&a.__esModule?a:{default:a}}});
-//# sourceMappingURL=index.min.js.map
+define("theme_boost/bootstrap/index",["exports","./alert","./button","./carousel","./collapse","./dropdown","./modal","./popover","./scrollspy","./tab","./toast","./tooltip","./util"],(function(_exports,_alert,_button,_carousel,_collapse,_dropdown,_modal,_popover,_scrollspy,_tab,_toast,_tooltip,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Alert",{enumerable:!0,get:function(){return _alert.default}}),Object.defineProperty(_exports,"Button",{enumerable:!0,get:function(){return _button.default}}),Object.defineProperty(_exports,"Carousel",{enumerable:!0,get:function(){return _carousel.default}}),Object.defineProperty(_exports,"Collapse",{enumerable:!0,get:function(){return _collapse.default}}),Object.defineProperty(_exports,"Dropdown",{enumerable:!0,get:function(){return _dropdown.default}}),Object.defineProperty(_exports,"Modal",{enumerable:!0,get:function(){return _modal.default}}),Object.defineProperty(_exports,"Popover",{enumerable:!0,get:function(){return _popover.default}}),Object.defineProperty(_exports,"Scrollspy",{enumerable:!0,get:function(){return _scrollspy.default}}),Object.defineProperty(_exports,"Tab",{enumerable:!0,get:function(){return _tab.default}}),Object.defineProperty(_exports,"Toast",{enumerable:!0,get:function(){return _toast.default}}),Object.defineProperty(_exports,"Tooltip",{enumerable:!0,get:function(){return _tooltip.default}}),Object.defineProperty(_exports,"Util",{enumerable:!0,get:function(){return _util.default}}),_alert=_interopRequireDefault(_alert),_button=_interopRequireDefault(_button),_carousel=_interopRequireDefault(_carousel),_collapse=_interopRequireDefault(_collapse),_dropdown=_interopRequireDefault(_dropdown),_modal=_interopRequireDefault(_modal),_popover=_interopRequireDefault(_popover),_scrollspy=_interopRequireDefault(_scrollspy),_tab=_interopRequireDefault(_tab),_toast=_interopRequireDefault(_toast),_tooltip=_interopRequireDefault(_tooltip),_util=_interopRequireDefault(_util)}));
+
+//# sourceMappingURL=index.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/index.min.js.map b/theme/boost/amd/build/bootstrap/index.min.js.map
index b3666511508..a55f2899aaa 100644
--- a/theme/boost/amd/build/bootstrap/index.min.js.map
+++ b/theme/boost/amd/build/bootstrap/index.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../src/bootstrap/index.js"],"names":[],"mappings":"kzCAAA,OACA,OACA,OACA,OACA,OACA,OACA,OACA,OACA,OACA,OACA,OACA,O","sourcesContent":["import Alert from './alert'\nimport Button from './button'\nimport Carousel from './carousel'\nimport Collapse from './collapse'\nimport Dropdown from './dropdown'\nimport Modal from './modal'\nimport Popover from './popover'\nimport Scrollspy from './scrollspy'\nimport Tab from './tab'\nimport Toast from './toast'\nimport Tooltip from './tooltip'\nimport Util from './util'\n\n/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): index.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nexport {\n  Util,\n  Alert,\n  Button,\n  Carousel,\n  Collapse,\n  Dropdown,\n  Modal,\n  Popover,\n  Scrollspy,\n  Tab,\n  Toast,\n  Tooltip\n}\n"],"file":"index.min.js"}
\ No newline at end of file
+{"version":3,"file":"index.min.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/modal.min.js b/theme/boost/amd/build/bootstrap/modal.min.js
index 8e176042d76..5a544e73dac 100644
--- a/theme/boost/amd/build/bootstrap/modal.min.js
+++ b/theme/boost/amd/build/bootstrap/modal.min.js
@@ -1,2 +1,3 @@
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l="bs.modal",m=".".concat(l),n=b.default.fn.modal,o=27,p={backdrop:!0,keyboard:!0,focus:!0,show:!0},q={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},r="hide".concat(m),s="hidePrevented".concat(m),t="hidden".concat(m),u="show".concat(m),v="shown".concat(m),w="focusin".concat(m),x="resize".concat(m),y="click.dismiss".concat(m),z="keydown.dismiss".concat(m),A="mouseup.dismiss".concat(m),B="mousedown.dismiss".concat(m),C="click".concat(m).concat(".data-api"),D="modal-open",E="fade",F="show",G="modal-static",H=".fixed-top, .fixed-bottom, .is-fixed, .sticky-top",I=".sticky-top",J=function(){function a(b,c){i(this,a);this._config=this._getConfig(c);this._element=b;this._dialog=b.querySelector(".modal-dialog");this._backdrop=null;this._isShown=!1;this._isBodyOverflowing=!1;this._ignoreBackdropClick=!1;this._isTransitioning=!1;this._scrollbarWidth=0}k(a,[{key:"toggle",value:function toggle(a){return this._isShown?this.hide():this.show(a)}},{key:"show",value:function show(a){var c=this;if(this._isShown||this._isTransitioning){return}if((0,b.default)(this._element).hasClass(E)){this._isTransitioning=!0}var d=b.default.Event(u,{relatedTarget:a});(0,b.default)(this._element).trigger(d);if(this._isShown||d.isDefaultPrevented()){return}this._isShown=!0;this._checkScrollbar();this._setScrollbar();this._adjustDialog();this._setEscapeEvent();this._setResizeEvent();(0,b.default)(this._element).on(y,"[data-dismiss=\"modal\"]",function(a){return c.hide(a)});(0,b.default)(this._dialog).on(B,function(){(0,b.default)(c._element).one(A,function(a){if((0,b.default)(a.target).is(c._element)){c._ignoreBackdropClick=!0}})});this._showBackdrop(function(){return c._showElement(a)})}},{key:"hide",value:function hide(a){var d=this;if(a){a.preventDefault()}if(!this._isShown||this._isTransitioning){return}var e=b.default.Event(r);(0,b.default)(this._element).trigger(e);if(!this._isShown||e.isDefaultPrevented()){return}this._isShown=!1;var f=(0,b.default)(this._element).hasClass(E);if(f){this._isTransitioning=!0}this._setEscapeEvent();this._setResizeEvent();(0,b.default)(document).off(w);(0,b.default)(this._element).removeClass(F);(0,b.default)(this._element).off(y);(0,b.default)(this._dialog).off(B);if(f){var g=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,function(a){return d._hideModal(a)}).emulateTransitionEnd(g)}else{this._hideModal()}}},{key:"dispose",value:function dispose(){[window,this._element,this._dialog].forEach(function(a){return(0,b.default)(a).off(m)});(0,b.default)(document).off(w);b.default.removeData(this._element,l);this._config=null;this._element=null;this._dialog=null;this._backdrop=null;this._isShown=null;this._isBodyOverflowing=null;this._ignoreBackdropClick=null;this._isTransitioning=null;this._scrollbarWidth=null}},{key:"handleUpdate",value:function handleUpdate(){this._adjustDialog()}},{key:"_getConfig",value:function _getConfig(a){a=g(g({},p),a);c.default.typeCheckConfig("modal",a,q);return a}},{key:"_triggerBackdropTransition",value:function _triggerBackdropTransition(){var a=this;if("static"===this._config.backdrop){var d=b.default.Event(s);(0,b.default)(this._element).trigger(d);if(d.defaultPrevented){return}this._element.classList.add(G);var e=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,function(){a._element.classList.remove(G)}).emulateTransitionEnd(e);this._element.focus()}else{this.hide()}}},{key:"_showElement",value:function _showElement(a){var d=this,e=(0,b.default)(this._element).hasClass(E),f=this._dialog?this._dialog.querySelector(".modal-body"):null;if(!this._element.parentNode||this._element.parentNode.nodeType!==Node.ELEMENT_NODE){document.body.appendChild(this._element)}this._element.style.display="block";this._element.removeAttribute("aria-hidden");this._element.setAttribute("aria-modal",!0);if((0,b.default)(this._dialog).hasClass("modal-dialog-scrollable")&&f){f.scrollTop=0}else{this._element.scrollTop=0}if(e){c.default.reflow(this._element)}(0,b.default)(this._element).addClass(F);if(this._config.focus){this._enforceFocus()}var g=b.default.Event(v,{relatedTarget:a}),h=function(){if(d._config.focus){d._element.focus()}d._isTransitioning=!1;(0,b.default)(d._element).trigger(g)};if(e){var i=c.default.getTransitionDurationFromElement(this._dialog);(0,b.default)(this._dialog).one(c.default.TRANSITION_END,h).emulateTransitionEnd(i)}else{h()}}},{key:"_enforceFocus",value:function _enforceFocus(){var a=this;(0,b.default)(document).off(w).on(w,function(c){if(document!==c.target&&a._element!==c.target&&0===(0,b.default)(a._element).has(c.target).length){a._element.focus()}})}},{key:"_setEscapeEvent",value:function _setEscapeEvent(){var a=this;if(this._isShown){(0,b.default)(this._element).on(z,function(b){if(a._config.keyboard&&b.which===o){b.preventDefault();a.hide()}else if(!a._config.keyboard&&b.which===o){a._triggerBackdropTransition()}})}else if(!this._isShown){(0,b.default)(this._element).off(z)}}},{key:"_setResizeEvent",value:function _setResizeEvent(){var a=this;if(this._isShown){(0,b.default)(window).on(x,function(b){return a.handleUpdate(b)})}else{(0,b.default)(window).off(x)}}},{key:"_hideModal",value:function _hideModal(){var a=this;this._element.style.display="none";this._element.setAttribute("aria-hidden",!0);this._element.removeAttribute("aria-modal");this._isTransitioning=!1;this._showBackdrop(function(){(0,b.default)(document.body).removeClass(D);a._resetAdjustments();a._resetScrollbar();(0,b.default)(a._element).trigger(t)})}},{key:"_removeBackdrop",value:function _removeBackdrop(){if(this._backdrop){(0,b.default)(this._backdrop).remove();this._backdrop=null}}},{key:"_showBackdrop",value:function _showBackdrop(a){var d=this,e=(0,b.default)(this._element).hasClass(E)?E:"";if(this._isShown&&this._config.backdrop){this._backdrop=document.createElement("div");this._backdrop.className="modal-backdrop";if(e){this._backdrop.classList.add(e)}(0,b.default)(this._backdrop).appendTo(document.body);(0,b.default)(this._element).on(y,function(a){if(d._ignoreBackdropClick){d._ignoreBackdropClick=!1;return}if(a.target!==a.currentTarget){return}d._triggerBackdropTransition()});if(e){c.default.reflow(this._backdrop)}(0,b.default)(this._backdrop).addClass(F);if(!a){return}if(!e){a();return}var f=c.default.getTransitionDurationFromElement(this._backdrop);(0,b.default)(this._backdrop).one(c.default.TRANSITION_END,a).emulateTransitionEnd(f)}else if(!this._isShown&&this._backdrop){(0,b.default)(this._backdrop).removeClass(F);var g=function(){d._removeBackdrop();if(a){a()}};if((0,b.default)(this._element).hasClass(E)){var h=c.default.getTransitionDurationFromElement(this._backdrop);(0,b.default)(this._backdrop).one(c.default.TRANSITION_END,g).emulateTransitionEnd(h)}else{g()}}else if(a){a()}}},{key:"_adjustDialog",value:function _adjustDialog(){var a=this._element.scrollHeight>document.documentElement.clientHeight;if(!this._isBodyOverflowing&&a){this._element.style.paddingLeft="".concat(this._scrollbarWidth,"px")}if(this._isBodyOverflowing&&!a){this._element.style.paddingRight="".concat(this._scrollbarWidth,"px")}}},{key:"_resetAdjustments",value:function _resetAdjustments(){this._element.style.paddingLeft="";this._element.style.paddingRight=""}},{key:"_checkScrollbar",value:function _checkScrollbar(){var a=document.body.getBoundingClientRect();this._isBodyOverflowing=Math.round(a.left+a.right)<window.innerWidth;this._scrollbarWidth=this._getScrollbarWidth()}},{key:"_setScrollbar",value:function _setScrollbar(){var a=this;if(this._isBodyOverflowing){var c=[].slice.call(document.querySelectorAll(H)),d=[].slice.call(document.querySelectorAll(I));(0,b.default)(c).each(function(c,d){var e=d.style.paddingRight,f=(0,b.default)(d).css("padding-right");(0,b.default)(d).data("padding-right",e).css("padding-right","".concat(parseFloat(f)+a._scrollbarWidth,"px"))});(0,b.default)(d).each(function(c,d){var e=d.style.marginRight,f=(0,b.default)(d).css("margin-right");(0,b.default)(d).data("margin-right",e).css("margin-right","".concat(parseFloat(f)-a._scrollbarWidth,"px"))});var e=document.body.style.paddingRight,f=(0,b.default)(document.body).css("padding-right");(0,b.default)(document.body).data("padding-right",e).css("padding-right","".concat(parseFloat(f)+this._scrollbarWidth,"px"))}(0,b.default)(document.body).addClass(D)}},{key:"_resetScrollbar",value:function _resetScrollbar(){var a=[].slice.call(document.querySelectorAll(H));(0,b.default)(a).each(function(a,c){var d=(0,b.default)(c).data("padding-right");(0,b.default)(c).removeData("padding-right");c.style.paddingRight=d?d:""});var c=[].slice.call(document.querySelectorAll("".concat(I)));(0,b.default)(c).each(function(a,c){var d=(0,b.default)(c).data("margin-right");if("undefined"!=typeof d){(0,b.default)(c).css("margin-right",d).removeData("margin-right")}});var d=(0,b.default)(document.body).data("padding-right");(0,b.default)(document.body).removeData("padding-right");document.body.style.paddingRight=d?d:""}},{key:"_getScrollbarWidth",value:function _getScrollbarWidth(){var a=document.createElement("div");a.className="modal-scrollbar-measure";document.body.appendChild(a);var b=a.getBoundingClientRect().width-a.clientWidth;document.body.removeChild(a);return b}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return p}},{key:"_jQueryInterface",value:function _jQueryInterface(c,d){return this.each(function(){var f=(0,b.default)(this).data(l),h=g(g(g({},p),(0,b.default)(this).data()),"object"===e(c)&&c?c:{});if(!f){f=new a(this,h);(0,b.default)(this).data(l,f)}if("string"==typeof c){if("undefined"==typeof f[c]){throw new TypeError("No method named \"".concat(c,"\""))}f[c](d)}else if(h.show){f.show(d)}})}}]);return a}();(0,b.default)(document).on(C,"[data-toggle=\"modal\"]",function(a){var d=this,e,f=c.default.getSelectorFromElement(this);if(f){e=document.querySelector(f)}var h=(0,b.default)(e).data(l)?"toggle":g(g({},(0,b.default)(e).data()),(0,b.default)(this).data());if("A"===this.tagName||"AREA"===this.tagName){a.preventDefault()}var i=(0,b.default)(e).one(u,function(a){if(a.isDefaultPrevented()){return}i.one(t,function(){if((0,b.default)(d).is(":visible")){d.focus()}})});J._jQueryInterface.call((0,b.default)(e),h,this)});b.default.fn.modal=J._jQueryInterface;b.default.fn.modal.Constructor=J;b.default.fn.modal.noConflict=function(){b.default.fn.modal=n;return J._jQueryInterface};a.default=J;return a.default});
-//# sourceMappingURL=modal.min.js.map
+define("theme_boost/bootstrap/modal",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);var NAME="modal",EVENT_KEY=".".concat("bs.modal"),JQUERY_NO_CONFLICT=_jquery.default.fn.modal,Default={backdrop:!0,keyboard:!0,focus:!0,show:!0},DefaultType={backdrop:"(boolean|string)",keyboard:"boolean",focus:"boolean",show:"boolean"},EVENT_HIDE="hide".concat(EVENT_KEY),EVENT_HIDE_PREVENTED="hidePrevented".concat(EVENT_KEY),EVENT_HIDDEN="hidden".concat(EVENT_KEY),EVENT_SHOW="show".concat(EVENT_KEY),EVENT_SHOWN="shown".concat(EVENT_KEY),EVENT_FOCUSIN="focusin".concat(EVENT_KEY),EVENT_RESIZE="resize".concat(EVENT_KEY),EVENT_CLICK_DISMISS="click.dismiss".concat(EVENT_KEY),EVENT_KEYDOWN_DISMISS="keydown.dismiss".concat(EVENT_KEY),EVENT_MOUSEUP_DISMISS="mouseup.dismiss".concat(EVENT_KEY),EVENT_MOUSEDOWN_DISMISS="mousedown.dismiss".concat(EVENT_KEY),EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api"),Modal=function(){function Modal(element,config){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Modal),this._config=this._getConfig(config),this._element=element,this._dialog=element.querySelector(".modal-dialog"),this._backdrop=null,this._isShown=!1,this._isBodyOverflowing=!1,this._ignoreBackdropClick=!1,this._isTransitioning=!1,this._scrollbarWidth=0}var Constructor,protoProps,staticProps;return Constructor=Modal,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"Default",get:function(){return Default}},{key:"_jQueryInterface",value:function(config,relatedTarget){return this.each((function(){var data=(0,_jquery.default)(this).data("bs.modal"),_config=_objectSpread(_objectSpread(_objectSpread({},Default),(0,_jquery.default)(this).data()),"object"===_typeof(config)&&config?config:{});if(data||(data=new Modal(this,_config),(0,_jquery.default)(this).data("bs.modal",data)),"string"==typeof config){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config](relatedTarget)}else _config.show&&data.show(relatedTarget)}))}}],(protoProps=[{key:"toggle",value:function(relatedTarget){return this._isShown?this.hide():this.show(relatedTarget)}},{key:"show",value:function(relatedTarget){var _this=this;if(!this._isShown&&!this._isTransitioning){(0,_jquery.default)(this._element).hasClass("fade")&&(this._isTransitioning=!0);var showEvent=_jquery.default.Event(EVENT_SHOW,{relatedTarget:relatedTarget});(0,_jquery.default)(this._element).trigger(showEvent),this._isShown||showEvent.isDefaultPrevented()||(this._isShown=!0,this._checkScrollbar(),this._setScrollbar(),this._adjustDialog(),this._setEscapeEvent(),this._setResizeEvent(),(0,_jquery.default)(this._element).on(EVENT_CLICK_DISMISS,'[data-dismiss="modal"]',(function(event){return _this.hide(event)})),(0,_jquery.default)(this._dialog).on(EVENT_MOUSEDOWN_DISMISS,(function(){(0,_jquery.default)(_this._element).one(EVENT_MOUSEUP_DISMISS,(function(event){(0,_jquery.default)(event.target).is(_this._element)&&(_this._ignoreBackdropClick=!0)}))})),this._showBackdrop((function(){return _this._showElement(relatedTarget)})))}}},{key:"hide",value:function(event){var _this2=this;if(event&&event.preventDefault(),this._isShown&&!this._isTransitioning){var hideEvent=_jquery.default.Event(EVENT_HIDE);if((0,_jquery.default)(this._element).trigger(hideEvent),this._isShown&&!hideEvent.isDefaultPrevented()){this._isShown=!1;var transition=(0,_jquery.default)(this._element).hasClass("fade");if(transition&&(this._isTransitioning=!0),this._setEscapeEvent(),this._setResizeEvent(),(0,_jquery.default)(document).off(EVENT_FOCUSIN),(0,_jquery.default)(this._element).removeClass("show"),(0,_jquery.default)(this._element).off(EVENT_CLICK_DISMISS),(0,_jquery.default)(this._dialog).off(EVENT_MOUSEDOWN_DISMISS),transition){var transitionDuration=_util.default.getTransitionDurationFromElement(this._element);(0,_jquery.default)(this._element).one(_util.default.TRANSITION_END,(function(event){return _this2._hideModal(event)})).emulateTransitionEnd(transitionDuration)}else this._hideModal()}}}},{key:"dispose",value:function(){[window,this._element,this._dialog].forEach((function(htmlElement){return(0,_jquery.default)(htmlElement).off(EVENT_KEY)})),(0,_jquery.default)(document).off(EVENT_FOCUSIN),_jquery.default.removeData(this._element,"bs.modal"),this._config=null,this._element=null,this._dialog=null,this._backdrop=null,this._isShown=null,this._isBodyOverflowing=null,this._ignoreBackdropClick=null,this._isTransitioning=null,this._scrollbarWidth=null}},{key:"handleUpdate",value:function(){this._adjustDialog()}},{key:"_getConfig",value:function(config){return config=_objectSpread(_objectSpread({},Default),config),_util.default.typeCheckConfig(NAME,config,DefaultType),config}},{key:"_triggerBackdropTransition",value:function(){var _this3=this;if("static"===this._config.backdrop){var hideEventPrevented=_jquery.default.Event(EVENT_HIDE_PREVENTED);if((0,_jquery.default)(this._element).trigger(hideEventPrevented),hideEventPrevented.defaultPrevented)return;this._element.classList.add("modal-static");var modalTransitionDuration=_util.default.getTransitionDurationFromElement(this._element);(0,_jquery.default)(this._element).one(_util.default.TRANSITION_END,(function(){_this3._element.classList.remove("modal-static")})).emulateTransitionEnd(modalTransitionDuration),this._element.focus()}else this.hide()}},{key:"_showElement",value:function(relatedTarget){var _this4=this,transition=(0,_jquery.default)(this._element).hasClass("fade"),modalBody=this._dialog?this._dialog.querySelector(".modal-body"):null;this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE||document.body.appendChild(this._element),this._element.style.display="block",this._element.removeAttribute("aria-hidden"),this._element.setAttribute("aria-modal",!0),(0,_jquery.default)(this._dialog).hasClass("modal-dialog-scrollable")&&modalBody?modalBody.scrollTop=0:this._element.scrollTop=0,transition&&_util.default.reflow(this._element),(0,_jquery.default)(this._element).addClass("show"),this._config.focus&&this._enforceFocus();var shownEvent=_jquery.default.Event(EVENT_SHOWN,{relatedTarget:relatedTarget}),transitionComplete=function(){_this4._config.focus&&_this4._element.focus(),_this4._isTransitioning=!1,(0,_jquery.default)(_this4._element).trigger(shownEvent)};if(transition){var transitionDuration=_util.default.getTransitionDurationFromElement(this._dialog);(0,_jquery.default)(this._dialog).one(_util.default.TRANSITION_END,transitionComplete).emulateTransitionEnd(transitionDuration)}else transitionComplete()}},{key:"_enforceFocus",value:function(){var _this5=this;(0,_jquery.default)(document).off(EVENT_FOCUSIN).on(EVENT_FOCUSIN,(function(event){document!==event.target&&_this5._element!==event.target&&0===(0,_jquery.default)(_this5._element).has(event.target).length&&_this5._element.focus()}))}},{key:"_setEscapeEvent",value:function(){var _this6=this;this._isShown?(0,_jquery.default)(this._element).on(EVENT_KEYDOWN_DISMISS,(function(event){_this6._config.keyboard&&27===event.which?(event.preventDefault(),_this6.hide()):_this6._config.keyboard||27!==event.which||_this6._triggerBackdropTransition()})):this._isShown||(0,_jquery.default)(this._element).off(EVENT_KEYDOWN_DISMISS)}},{key:"_setResizeEvent",value:function(){var _this7=this;this._isShown?(0,_jquery.default)(window).on(EVENT_RESIZE,(function(event){return _this7.handleUpdate(event)})):(0,_jquery.default)(window).off(EVENT_RESIZE)}},{key:"_hideModal",value:function(){var _this8=this;this._element.style.display="none",this._element.setAttribute("aria-hidden",!0),this._element.removeAttribute("aria-modal"),this._isTransitioning=!1,this._showBackdrop((function(){(0,_jquery.default)(document.body).removeClass("modal-open"),_this8._resetAdjustments(),_this8._resetScrollbar(),(0,_jquery.default)(_this8._element).trigger(EVENT_HIDDEN)}))}},{key:"_removeBackdrop",value:function(){this._backdrop&&((0,_jquery.default)(this._backdrop).remove(),this._backdrop=null)}},{key:"_showBackdrop",value:function(callback){var _this9=this,animate=(0,_jquery.default)(this._element).hasClass("fade")?"fade":"";if(this._isShown&&this._config.backdrop){if(this._backdrop=document.createElement("div"),this._backdrop.className="modal-backdrop",animate&&this._backdrop.classList.add(animate),(0,_jquery.default)(this._backdrop).appendTo(document.body),(0,_jquery.default)(this._element).on(EVENT_CLICK_DISMISS,(function(event){_this9._ignoreBackdropClick?_this9._ignoreBackdropClick=!1:event.target===event.currentTarget&&_this9._triggerBackdropTransition()})),animate&&_util.default.reflow(this._backdrop),(0,_jquery.default)(this._backdrop).addClass("show"),!callback)return;if(!animate)return void callback();var backdropTransitionDuration=_util.default.getTransitionDurationFromElement(this._backdrop);(0,_jquery.default)(this._backdrop).one(_util.default.TRANSITION_END,callback).emulateTransitionEnd(backdropTransitionDuration)}else if(!this._isShown&&this._backdrop){(0,_jquery.default)(this._backdrop).removeClass("show");var callbackRemove=function(){_this9._removeBackdrop(),callback&&callback()};if((0,_jquery.default)(this._element).hasClass("fade")){var _backdropTransitionDuration=_util.default.getTransitionDurationFromElement(this._backdrop);(0,_jquery.default)(this._backdrop).one(_util.default.TRANSITION_END,callbackRemove).emulateTransitionEnd(_backdropTransitionDuration)}else callbackRemove()}else callback&&callback()}},{key:"_adjustDialog",value:function(){var isModalOverflowing=this._element.scrollHeight>document.documentElement.clientHeight;!this._isBodyOverflowing&&isModalOverflowing&&(this._element.style.paddingLeft="".concat(this._scrollbarWidth,"px")),this._isBodyOverflowing&&!isModalOverflowing&&(this._element.style.paddingRight="".concat(this._scrollbarWidth,"px"))}},{key:"_resetAdjustments",value:function(){this._element.style.paddingLeft="",this._element.style.paddingRight=""}},{key:"_checkScrollbar",value:function(){var rect=document.body.getBoundingClientRect();this._isBodyOverflowing=Math.round(rect.left+rect.right)<window.innerWidth,this._scrollbarWidth=this._getScrollbarWidth()}},{key:"_setScrollbar",value:function(){var _this10=this;if(this._isBodyOverflowing){var fixedContent=[].slice.call(document.querySelectorAll(".fixed-top, .fixed-bottom, .is-fixed, .sticky-top")),stickyContent=[].slice.call(document.querySelectorAll(".sticky-top"));(0,_jquery.default)(fixedContent).each((function(index,element){var actualPadding=element.style.paddingRight,calculatedPadding=(0,_jquery.default)(element).css("padding-right");(0,_jquery.default)(element).data("padding-right",actualPadding).css("padding-right","".concat(parseFloat(calculatedPadding)+_this10._scrollbarWidth,"px"))})),(0,_jquery.default)(stickyContent).each((function(index,element){var actualMargin=element.style.marginRight,calculatedMargin=(0,_jquery.default)(element).css("margin-right");(0,_jquery.default)(element).data("margin-right",actualMargin).css("margin-right","".concat(parseFloat(calculatedMargin)-_this10._scrollbarWidth,"px"))}));var actualPadding=document.body.style.paddingRight,calculatedPadding=(0,_jquery.default)(document.body).css("padding-right");(0,_jquery.default)(document.body).data("padding-right",actualPadding).css("padding-right","".concat(parseFloat(calculatedPadding)+this._scrollbarWidth,"px"))}(0,_jquery.default)(document.body).addClass("modal-open")}},{key:"_resetScrollbar",value:function(){var fixedContent=[].slice.call(document.querySelectorAll(".fixed-top, .fixed-bottom, .is-fixed, .sticky-top"));(0,_jquery.default)(fixedContent).each((function(index,element){var padding=(0,_jquery.default)(element).data("padding-right");(0,_jquery.default)(element).removeData("padding-right"),element.style.paddingRight=padding||""}));var elements=[].slice.call(document.querySelectorAll("".concat(".sticky-top")));(0,_jquery.default)(elements).each((function(index,element){var margin=(0,_jquery.default)(element).data("margin-right");void 0!==margin&&(0,_jquery.default)(element).css("margin-right",margin).removeData("margin-right")}));var padding=(0,_jquery.default)(document.body).data("padding-right");(0,_jquery.default)(document.body).removeData("padding-right"),document.body.style.paddingRight=padding||""}},{key:"_getScrollbarWidth",value:function(){var scrollDiv=document.createElement("div");scrollDiv.className="modal-scrollbar-measure",document.body.appendChild(scrollDiv);var 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$target=(0,_jquery.default)(target).one(EVENT_SHOW,(function(showEvent){showEvent.isDefaultPrevented()||$target.one(EVENT_HIDDEN,(function(){(0,_jquery.default)(_this11).is(":visible")&&_this11.focus()}))}));Modal._jQueryInterface.call((0,_jquery.default)(target),config,this)})),_jquery.default.fn.modal=Modal._jQueryInterface,_jquery.default.fn.modal.Constructor=Modal,_jquery.default.fn.modal.noConflict=function(){return _jquery.default.fn.modal=JQUERY_NO_CONFLICT,Modal._jQueryInterface};var _default=Modal;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=modal.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/modal.min.js.map b/theme/boost/amd/build/bootstrap/modal.min.js.map
index 0f1395cce65..0719101ce6f 100644
--- a/theme/boost/amd/build/bootstrap/modal.min.js.map
+++ b/theme/boost/amd/build/bootstrap/modal.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'modal'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.modal'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\nconst ESCAPE_KEYCODE     = 27 // KeyboardEvent.which value for Escape (Esc) key\n\nconst Default = {\n  backdrop : true,\n  keyboard : true,\n  focus    : true,\n  show     : true\n}\n\nconst DefaultType = {\n  backdrop : '(boolean|string)',\n  keyboard : 'boolean',\n  focus    : 'boolean',\n  show     : 'boolean'\n}\n\nconst EVENT_HIDE              = `hide${EVENT_KEY}`\nconst EVENT_HIDE_PREVENTED    = `hidePrevented${EVENT_KEY}`\nconst EVENT_HIDDEN            = `hidden${EVENT_KEY}`\nconst EVENT_SHOW              = `show${EVENT_KEY}`\nconst EVENT_SHOWN             = `shown${EVENT_KEY}`\nconst EVENT_FOCUSIN           = `focusin${EVENT_KEY}`\nconst EVENT_RESIZE            = `resize${EVENT_KEY}`\nconst EVENT_CLICK_DISMISS     = `click.dismiss${EVENT_KEY}`\nconst EVENT_KEYDOWN_DISMISS   = `keydown.dismiss${EVENT_KEY}`\nconst EVENT_MOUSEUP_DISMISS   = `mouseup.dismiss${EVENT_KEY}`\nconst EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API    = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_SCROLLABLE         = 'modal-dialog-scrollable'\nconst CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure'\nconst CLASS_NAME_BACKDROP           = 'modal-backdrop'\nconst CLASS_NAME_OPEN               = 'modal-open'\nconst CLASS_NAME_FADE               = 'fade'\nconst CLASS_NAME_SHOW               = 'show'\nconst CLASS_NAME_STATIC             = 'modal-static'\n\nconst SELECTOR_DIALOG         = '.modal-dialog'\nconst SELECTOR_MODAL_BODY     = '.modal-body'\nconst SELECTOR_DATA_TOGGLE    = '[data-toggle=\"modal\"]'\nconst SELECTOR_DATA_DISMISS   = '[data-dismiss=\"modal\"]'\nconst SELECTOR_FIXED_CONTENT  = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'\nconst SELECTOR_STICKY_CONTENT = '.sticky-top'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Modal {\n  constructor(element, config) {\n    this._config              = this._getConfig(config)\n    this._element             = element\n    this._dialog              = element.querySelector(SELECTOR_DIALOG)\n    this._backdrop            = null\n    this._isShown             = false\n    this._isBodyOverflowing   = false\n    this._ignoreBackdropClick = false\n    this._isTransitioning     = false\n    this._scrollbarWidth      = 0\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  toggle(relatedTarget) {\n    return this._isShown ? this.hide() : this.show(relatedTarget)\n  }\n\n  show(relatedTarget) {\n    if (this._isShown || this._isTransitioning) {\n      return\n    }\n\n    if ($(this._element).hasClass(CLASS_NAME_FADE)) {\n      this._isTransitioning = true\n    }\n\n    const showEvent = $.Event(EVENT_SHOW, {\n      relatedTarget\n    })\n\n    $(this._element).trigger(showEvent)\n\n    if (this._isShown || showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._isShown = true\n\n    this._checkScrollbar()\n    this._setScrollbar()\n\n    this._adjustDialog()\n\n    this._setEscapeEvent()\n    this._setResizeEvent()\n\n    $(this._element).on(\n      EVENT_CLICK_DISMISS,\n      SELECTOR_DATA_DISMISS,\n      (event) => this.hide(event)\n    )\n\n    $(this._dialog).on(EVENT_MOUSEDOWN_DISMISS, () => {\n      $(this._element).one(EVENT_MOUSEUP_DISMISS, (event) => {\n        if ($(event.target).is(this._element)) {\n          this._ignoreBackdropClick = true\n        }\n      })\n    })\n\n    this._showBackdrop(() => this._showElement(relatedTarget))\n  }\n\n  hide(event) {\n    if (event) {\n      event.preventDefault()\n    }\n\n    if (!this._isShown || this._isTransitioning) {\n      return\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE)\n\n    $(this._element).trigger(hideEvent)\n\n    if (!this._isShown || hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._isShown = false\n    const transition = $(this._element).hasClass(CLASS_NAME_FADE)\n\n    if (transition) {\n      this._isTransitioning = true\n    }\n\n    this._setEscapeEvent()\n    this._setResizeEvent()\n\n    $(document).off(EVENT_FOCUSIN)\n\n    $(this._element).removeClass(CLASS_NAME_SHOW)\n\n    $(this._element).off(EVENT_CLICK_DISMISS)\n    $(this._dialog).off(EVENT_MOUSEDOWN_DISMISS)\n\n    if (transition) {\n      const transitionDuration  = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      this._hideModal()\n    }\n  }\n\n  dispose() {\n    [window, this._element, this._dialog]\n      .forEach((htmlElement) => $(htmlElement).off(EVENT_KEY))\n\n    /**\n     * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`\n     * Do not move `document` in `htmlElements` array\n     * It will remove `EVENT_CLICK_DATA_API` event that should remain\n     */\n    $(document).off(EVENT_FOCUSIN)\n\n    $.removeData(this._element, DATA_KEY)\n\n    this._config              = null\n    this._element             = null\n    this._dialog              = null\n    this._backdrop            = null\n    this._isShown             = null\n    this._isBodyOverflowing   = null\n    this._ignoreBackdropClick = null\n    this._isTransitioning     = null\n    this._scrollbarWidth      = null\n  }\n\n  handleUpdate() {\n    this._adjustDialog()\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _triggerBackdropTransition() {\n    if (this._config.backdrop === 'static') {\n      const hideEventPrevented = $.Event(EVENT_HIDE_PREVENTED)\n\n      $(this._element).trigger(hideEventPrevented)\n      if (hideEventPrevented.defaultPrevented) {\n        return\n      }\n\n      this._element.classList.add(CLASS_NAME_STATIC)\n\n      const modalTransitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element).one(Util.TRANSITION_END, () => {\n        this._element.classList.remove(CLASS_NAME_STATIC)\n      })\n        .emulateTransitionEnd(modalTransitionDuration)\n      this._element.focus()\n    } else {\n      this.hide()\n    }\n  }\n\n  _showElement(relatedTarget) {\n    const transition = $(this._element).hasClass(CLASS_NAME_FADE)\n    const modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null\n\n    if (!this._element.parentNode ||\n        this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n      // Don't move modal's DOM position\n      document.body.appendChild(this._element)\n    }\n\n    this._element.style.display = 'block'\n    this._element.removeAttribute('aria-hidden')\n    this._element.setAttribute('aria-modal', true)\n\n    if ($(this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {\n      modalBody.scrollTop = 0\n    } else {\n      this._element.scrollTop = 0\n    }\n\n    if (transition) {\n      Util.reflow(this._element)\n    }\n\n    $(this._element).addClass(CLASS_NAME_SHOW)\n\n    if (this._config.focus) {\n      this._enforceFocus()\n    }\n\n    const shownEvent = $.Event(EVENT_SHOWN, {\n      relatedTarget\n    })\n\n    const transitionComplete = () => {\n      if (this._config.focus) {\n        this._element.focus()\n      }\n      this._isTransitioning = false\n      $(this._element).trigger(shownEvent)\n    }\n\n    if (transition) {\n      const transitionDuration  = Util.getTransitionDurationFromElement(this._dialog)\n\n      $(this._dialog)\n        .one(Util.TRANSITION_END, transitionComplete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      transitionComplete()\n    }\n  }\n\n  _enforceFocus() {\n    $(document)\n      .off(EVENT_FOCUSIN) // Guard against infinite focus loop\n      .on(EVENT_FOCUSIN, (event) => {\n        if (document !== event.target &&\n            this._element !== event.target &&\n            $(this._element).has(event.target).length === 0) {\n          this._element.focus()\n        }\n      })\n  }\n\n  _setEscapeEvent() {\n    if (this._isShown) {\n      $(this._element).on(EVENT_KEYDOWN_DISMISS, (event) => {\n        if (this._config.keyboard && event.which === ESCAPE_KEYCODE) {\n          event.preventDefault()\n          this.hide()\n        } else if (!this._config.keyboard && event.which === ESCAPE_KEYCODE) {\n          this._triggerBackdropTransition()\n        }\n      })\n    } else if (!this._isShown) {\n      $(this._element).off(EVENT_KEYDOWN_DISMISS)\n    }\n  }\n\n  _setResizeEvent() {\n    if (this._isShown) {\n      $(window).on(EVENT_RESIZE, (event) => this.handleUpdate(event))\n    } else {\n      $(window).off(EVENT_RESIZE)\n    }\n  }\n\n  _hideModal() {\n    this._element.style.display = 'none'\n    this._element.setAttribute('aria-hidden', true)\n    this._element.removeAttribute('aria-modal')\n    this._isTransitioning = false\n    this._showBackdrop(() => {\n      $(document.body).removeClass(CLASS_NAME_OPEN)\n      this._resetAdjustments()\n      this._resetScrollbar()\n      $(this._element).trigger(EVENT_HIDDEN)\n    })\n  }\n\n  _removeBackdrop() {\n    if (this._backdrop) {\n      $(this._backdrop).remove()\n      this._backdrop = null\n    }\n  }\n\n  _showBackdrop(callback) {\n    const animate = $(this._element).hasClass(CLASS_NAME_FADE)\n      ? CLASS_NAME_FADE : ''\n\n    if (this._isShown && this._config.backdrop) {\n      this._backdrop = document.createElement('div')\n      this._backdrop.className = CLASS_NAME_BACKDROP\n\n      if (animate) {\n        this._backdrop.classList.add(animate)\n      }\n\n      $(this._backdrop).appendTo(document.body)\n\n      $(this._element).on(EVENT_CLICK_DISMISS, (event) => {\n        if (this._ignoreBackdropClick) {\n          this._ignoreBackdropClick = false\n          return\n        }\n        if (event.target !== event.currentTarget) {\n          return\n        }\n\n        this._triggerBackdropTransition()\n      })\n\n      if (animate) {\n        Util.reflow(this._backdrop)\n      }\n\n      $(this._backdrop).addClass(CLASS_NAME_SHOW)\n\n      if (!callback) {\n        return\n      }\n\n      if (!animate) {\n        callback()\n        return\n      }\n\n      const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)\n\n      $(this._backdrop)\n        .one(Util.TRANSITION_END, callback)\n        .emulateTransitionEnd(backdropTransitionDuration)\n    } else if (!this._isShown && this._backdrop) {\n      $(this._backdrop).removeClass(CLASS_NAME_SHOW)\n\n      const callbackRemove = () => {\n        this._removeBackdrop()\n        if (callback) {\n          callback()\n        }\n      }\n\n      if ($(this._element).hasClass(CLASS_NAME_FADE)) {\n        const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callbackRemove)\n          .emulateTransitionEnd(backdropTransitionDuration)\n      } else {\n        callbackRemove()\n      }\n    } else if (callback) {\n      callback()\n    }\n  }\n\n  // ----------------------------------------------------------------------\n  // the following methods are used to handle overflowing modals\n  // todo (fat): these should probably be refactored out of modal.js\n  // ----------------------------------------------------------------------\n\n  _adjustDialog() {\n    const isModalOverflowing =\n      this._element.scrollHeight > document.documentElement.clientHeight\n\n    if (!this._isBodyOverflowing && isModalOverflowing) {\n      this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n    }\n\n    if (this._isBodyOverflowing && !isModalOverflowing) {\n      this._element.style.paddingRight = `${this._scrollbarWidth}px`\n    }\n  }\n\n  _resetAdjustments() {\n    this._element.style.paddingLeft = ''\n    this._element.style.paddingRight = ''\n  }\n\n  _checkScrollbar() {\n    const rect = document.body.getBoundingClientRect()\n    this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth\n    this._scrollbarWidth = this._getScrollbarWidth()\n  }\n\n  _setScrollbar() {\n    if (this._isBodyOverflowing) {\n      // Note: DOMNode.style.paddingRight returns the actual value or '' if not set\n      //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set\n      const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))\n      const stickyContent = [].slice.call(document.querySelectorAll(SELECTOR_STICKY_CONTENT))\n\n      // Adjust fixed content padding\n      $(fixedContent).each((index, element) => {\n        const actualPadding = element.style.paddingRight\n        const calculatedPadding = $(element).css('padding-right')\n        $(element)\n          .data('padding-right', actualPadding)\n          .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n      })\n\n      // Adjust sticky content margin\n      $(stickyContent).each((index, element) => {\n        const actualMargin = element.style.marginRight\n        const calculatedMargin = $(element).css('margin-right')\n        $(element)\n          .data('margin-right', actualMargin)\n          .css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)\n      })\n\n      // Adjust body padding\n      const actualPadding = document.body.style.paddingRight\n      const calculatedPadding = $(document.body).css('padding-right')\n      $(document.body)\n        .data('padding-right', actualPadding)\n        .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n    }\n\n    $(document.body).addClass(CLASS_NAME_OPEN)\n  }\n\n  _resetScrollbar() {\n    // Restore fixed content padding\n    const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))\n    $(fixedContent).each((index, element) => {\n      const padding = $(element).data('padding-right')\n      $(element).removeData('padding-right')\n      element.style.paddingRight = padding ? padding : ''\n    })\n\n    // Restore sticky content\n    const elements = [].slice.call(document.querySelectorAll(`${SELECTOR_STICKY_CONTENT}`))\n    $(elements).each((index, element) => {\n      const margin = $(element).data('margin-right')\n      if (typeof margin !== 'undefined') {\n        $(element).css('margin-right', margin).removeData('margin-right')\n      }\n    })\n\n    // Restore body padding\n    const padding = $(document.body).data('padding-right')\n    $(document.body).removeData('padding-right')\n    document.body.style.paddingRight = padding ? padding : ''\n  }\n\n  _getScrollbarWidth() { // thx d.walsh\n    const scrollDiv = document.createElement('div')\n    scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER\n    document.body.appendChild(scrollDiv)\n    const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth\n    document.body.removeChild(scrollDiv)\n    return scrollbarWidth\n  }\n\n  // Static\n\n  static _jQueryInterface(config, relatedTarget) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = {\n        ...Default,\n        ...$(this).data(),\n        ...typeof config === 'object' && config ? config : {}\n      }\n\n      if (!data) {\n        data = new Modal(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config](relatedTarget)\n      } else if (_config.show) {\n        data.show(relatedTarget)\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n  let target\n  const selector = Util.getSelectorFromElement(this)\n\n  if (selector) {\n    target = document.querySelector(selector)\n  }\n\n  const config = $(target).data(DATA_KEY)\n    ? 'toggle' : {\n      ...$(target).data(),\n      ...$(this).data()\n    }\n\n  if (this.tagName === 'A' || this.tagName === 'AREA') {\n    event.preventDefault()\n  }\n\n  const $target = $(target).one(EVENT_SHOW, (showEvent) => {\n    if (showEvent.isDefaultPrevented()) {\n      // Only register focus restorer if modal will actually get shown\n      return\n    }\n\n    $target.one(EVENT_HIDDEN, () => {\n      if ($(this).is(':visible')) {\n        this.focus()\n      }\n    })\n  })\n\n  Modal._jQueryInterface.call($(target), config, this)\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Modal._jQueryInterface\n$.fn[NAME].Constructor = Modal\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Modal._jQueryInterface\n}\n\nexport default Modal\n"],"file":"modal.min.js"}
\ No newline at end of file
+{"version":3,"file":"modal.min.js","sources":["../../src/bootstrap/modal.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): modal.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'modal'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.modal'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\nconst ESCAPE_KEYCODE     = 27 // KeyboardEvent.which value for Escape (Esc) key\n\nconst Default = {\n  backdrop : true,\n  keyboard : true,\n  focus    : true,\n  show     : true\n}\n\nconst DefaultType = {\n  backdrop : '(boolean|string)',\n  keyboard : 'boolean',\n  focus    : 'boolean',\n  show     : 'boolean'\n}\n\nconst EVENT_HIDE              = `hide${EVENT_KEY}`\nconst EVENT_HIDE_PREVENTED    = `hidePrevented${EVENT_KEY}`\nconst EVENT_HIDDEN            = `hidden${EVENT_KEY}`\nconst EVENT_SHOW              = `show${EVENT_KEY}`\nconst EVENT_SHOWN             = `shown${EVENT_KEY}`\nconst EVENT_FOCUSIN           = `focusin${EVENT_KEY}`\nconst EVENT_RESIZE            = `resize${EVENT_KEY}`\nconst EVENT_CLICK_DISMISS     = `click.dismiss${EVENT_KEY}`\nconst EVENT_KEYDOWN_DISMISS   = `keydown.dismiss${EVENT_KEY}`\nconst EVENT_MOUSEUP_DISMISS   = `mouseup.dismiss${EVENT_KEY}`\nconst EVENT_MOUSEDOWN_DISMISS = `mousedown.dismiss${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API    = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_SCROLLABLE         = 'modal-dialog-scrollable'\nconst CLASS_NAME_SCROLLBAR_MEASURER = 'modal-scrollbar-measure'\nconst CLASS_NAME_BACKDROP           = 'modal-backdrop'\nconst CLASS_NAME_OPEN               = 'modal-open'\nconst CLASS_NAME_FADE               = 'fade'\nconst CLASS_NAME_SHOW               = 'show'\nconst CLASS_NAME_STATIC             = 'modal-static'\n\nconst SELECTOR_DIALOG         = '.modal-dialog'\nconst SELECTOR_MODAL_BODY     = '.modal-body'\nconst SELECTOR_DATA_TOGGLE    = '[data-toggle=\"modal\"]'\nconst SELECTOR_DATA_DISMISS   = '[data-dismiss=\"modal\"]'\nconst SELECTOR_FIXED_CONTENT  = '.fixed-top, .fixed-bottom, .is-fixed, .sticky-top'\nconst SELECTOR_STICKY_CONTENT = '.sticky-top'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Modal {\n  constructor(element, config) {\n    this._config              = this._getConfig(config)\n    this._element             = element\n    this._dialog              = element.querySelector(SELECTOR_DIALOG)\n    this._backdrop            = null\n    this._isShown             = false\n    this._isBodyOverflowing   = false\n    this._ignoreBackdropClick = false\n    this._isTransitioning     = false\n    this._scrollbarWidth      = 0\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  toggle(relatedTarget) {\n    return this._isShown ? this.hide() : this.show(relatedTarget)\n  }\n\n  show(relatedTarget) {\n    if (this._isShown || this._isTransitioning) {\n      return\n    }\n\n    if ($(this._element).hasClass(CLASS_NAME_FADE)) {\n      this._isTransitioning = true\n    }\n\n    const showEvent = $.Event(EVENT_SHOW, {\n      relatedTarget\n    })\n\n    $(this._element).trigger(showEvent)\n\n    if (this._isShown || showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._isShown = true\n\n    this._checkScrollbar()\n    this._setScrollbar()\n\n    this._adjustDialog()\n\n    this._setEscapeEvent()\n    this._setResizeEvent()\n\n    $(this._element).on(\n      EVENT_CLICK_DISMISS,\n      SELECTOR_DATA_DISMISS,\n      (event) => this.hide(event)\n    )\n\n    $(this._dialog).on(EVENT_MOUSEDOWN_DISMISS, () => {\n      $(this._element).one(EVENT_MOUSEUP_DISMISS, (event) => {\n        if ($(event.target).is(this._element)) {\n          this._ignoreBackdropClick = true\n        }\n      })\n    })\n\n    this._showBackdrop(() => this._showElement(relatedTarget))\n  }\n\n  hide(event) {\n    if (event) {\n      event.preventDefault()\n    }\n\n    if (!this._isShown || this._isTransitioning) {\n      return\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE)\n\n    $(this._element).trigger(hideEvent)\n\n    if (!this._isShown || hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._isShown = false\n    const transition = $(this._element).hasClass(CLASS_NAME_FADE)\n\n    if (transition) {\n      this._isTransitioning = true\n    }\n\n    this._setEscapeEvent()\n    this._setResizeEvent()\n\n    $(document).off(EVENT_FOCUSIN)\n\n    $(this._element).removeClass(CLASS_NAME_SHOW)\n\n    $(this._element).off(EVENT_CLICK_DISMISS)\n    $(this._dialog).off(EVENT_MOUSEDOWN_DISMISS)\n\n    if (transition) {\n      const transitionDuration  = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, (event) => this._hideModal(event))\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      this._hideModal()\n    }\n  }\n\n  dispose() {\n    [window, this._element, this._dialog]\n      .forEach((htmlElement) => $(htmlElement).off(EVENT_KEY))\n\n    /**\n     * `document` has 2 events `EVENT_FOCUSIN` and `EVENT_CLICK_DATA_API`\n     * Do not move `document` in `htmlElements` array\n     * It will remove `EVENT_CLICK_DATA_API` event that should remain\n     */\n    $(document).off(EVENT_FOCUSIN)\n\n    $.removeData(this._element, DATA_KEY)\n\n    this._config              = null\n    this._element             = null\n    this._dialog              = null\n    this._backdrop            = null\n    this._isShown             = null\n    this._isBodyOverflowing   = null\n    this._ignoreBackdropClick = null\n    this._isTransitioning     = null\n    this._scrollbarWidth      = null\n  }\n\n  handleUpdate() {\n    this._adjustDialog()\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...config\n    }\n    Util.typeCheckConfig(NAME, config, DefaultType)\n    return config\n  }\n\n  _triggerBackdropTransition() {\n    if (this._config.backdrop === 'static') {\n      const hideEventPrevented = $.Event(EVENT_HIDE_PREVENTED)\n\n      $(this._element).trigger(hideEventPrevented)\n      if (hideEventPrevented.defaultPrevented) {\n        return\n      }\n\n      this._element.classList.add(CLASS_NAME_STATIC)\n\n      const modalTransitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element).one(Util.TRANSITION_END, () => {\n        this._element.classList.remove(CLASS_NAME_STATIC)\n      })\n        .emulateTransitionEnd(modalTransitionDuration)\n      this._element.focus()\n    } else {\n      this.hide()\n    }\n  }\n\n  _showElement(relatedTarget) {\n    const transition = $(this._element).hasClass(CLASS_NAME_FADE)\n    const modalBody = this._dialog ? this._dialog.querySelector(SELECTOR_MODAL_BODY) : null\n\n    if (!this._element.parentNode ||\n        this._element.parentNode.nodeType !== Node.ELEMENT_NODE) {\n      // Don't move modal's DOM position\n      document.body.appendChild(this._element)\n    }\n\n    this._element.style.display = 'block'\n    this._element.removeAttribute('aria-hidden')\n    this._element.setAttribute('aria-modal', true)\n\n    if ($(this._dialog).hasClass(CLASS_NAME_SCROLLABLE) && modalBody) {\n      modalBody.scrollTop = 0\n    } else {\n      this._element.scrollTop = 0\n    }\n\n    if (transition) {\n      Util.reflow(this._element)\n    }\n\n    $(this._element).addClass(CLASS_NAME_SHOW)\n\n    if (this._config.focus) {\n      this._enforceFocus()\n    }\n\n    const shownEvent = $.Event(EVENT_SHOWN, {\n      relatedTarget\n    })\n\n    const transitionComplete = () => {\n      if (this._config.focus) {\n        this._element.focus()\n      }\n      this._isTransitioning = false\n      $(this._element).trigger(shownEvent)\n    }\n\n    if (transition) {\n      const transitionDuration  = Util.getTransitionDurationFromElement(this._dialog)\n\n      $(this._dialog)\n        .one(Util.TRANSITION_END, transitionComplete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      transitionComplete()\n    }\n  }\n\n  _enforceFocus() {\n    $(document)\n      .off(EVENT_FOCUSIN) // Guard against infinite focus loop\n      .on(EVENT_FOCUSIN, (event) => {\n        if (document !== event.target &&\n            this._element !== event.target &&\n            $(this._element).has(event.target).length === 0) {\n          this._element.focus()\n        }\n      })\n  }\n\n  _setEscapeEvent() {\n    if (this._isShown) {\n      $(this._element).on(EVENT_KEYDOWN_DISMISS, (event) => {\n        if (this._config.keyboard && event.which === ESCAPE_KEYCODE) {\n          event.preventDefault()\n          this.hide()\n        } else if (!this._config.keyboard && event.which === ESCAPE_KEYCODE) {\n          this._triggerBackdropTransition()\n        }\n      })\n    } else if (!this._isShown) {\n      $(this._element).off(EVENT_KEYDOWN_DISMISS)\n    }\n  }\n\n  _setResizeEvent() {\n    if (this._isShown) {\n      $(window).on(EVENT_RESIZE, (event) => this.handleUpdate(event))\n    } else {\n      $(window).off(EVENT_RESIZE)\n    }\n  }\n\n  _hideModal() {\n    this._element.style.display = 'none'\n    this._element.setAttribute('aria-hidden', true)\n    this._element.removeAttribute('aria-modal')\n    this._isTransitioning = false\n    this._showBackdrop(() => {\n      $(document.body).removeClass(CLASS_NAME_OPEN)\n      this._resetAdjustments()\n      this._resetScrollbar()\n      $(this._element).trigger(EVENT_HIDDEN)\n    })\n  }\n\n  _removeBackdrop() {\n    if (this._backdrop) {\n      $(this._backdrop).remove()\n      this._backdrop = null\n    }\n  }\n\n  _showBackdrop(callback) {\n    const animate = $(this._element).hasClass(CLASS_NAME_FADE)\n      ? CLASS_NAME_FADE : ''\n\n    if (this._isShown && this._config.backdrop) {\n      this._backdrop = document.createElement('div')\n      this._backdrop.className = CLASS_NAME_BACKDROP\n\n      if (animate) {\n        this._backdrop.classList.add(animate)\n      }\n\n      $(this._backdrop).appendTo(document.body)\n\n      $(this._element).on(EVENT_CLICK_DISMISS, (event) => {\n        if (this._ignoreBackdropClick) {\n          this._ignoreBackdropClick = false\n          return\n        }\n        if (event.target !== event.currentTarget) {\n          return\n        }\n\n        this._triggerBackdropTransition()\n      })\n\n      if (animate) {\n        Util.reflow(this._backdrop)\n      }\n\n      $(this._backdrop).addClass(CLASS_NAME_SHOW)\n\n      if (!callback) {\n        return\n      }\n\n      if (!animate) {\n        callback()\n        return\n      }\n\n      const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)\n\n      $(this._backdrop)\n        .one(Util.TRANSITION_END, callback)\n        .emulateTransitionEnd(backdropTransitionDuration)\n    } else if (!this._isShown && this._backdrop) {\n      $(this._backdrop).removeClass(CLASS_NAME_SHOW)\n\n      const callbackRemove = () => {\n        this._removeBackdrop()\n        if (callback) {\n          callback()\n        }\n      }\n\n      if ($(this._element).hasClass(CLASS_NAME_FADE)) {\n        const backdropTransitionDuration = Util.getTransitionDurationFromElement(this._backdrop)\n\n        $(this._backdrop)\n          .one(Util.TRANSITION_END, callbackRemove)\n          .emulateTransitionEnd(backdropTransitionDuration)\n      } else {\n        callbackRemove()\n      }\n    } else if (callback) {\n      callback()\n    }\n  }\n\n  // ----------------------------------------------------------------------\n  // the following methods are used to handle overflowing modals\n  // todo (fat): these should probably be refactored out of modal.js\n  // ----------------------------------------------------------------------\n\n  _adjustDialog() {\n    const isModalOverflowing =\n      this._element.scrollHeight > document.documentElement.clientHeight\n\n    if (!this._isBodyOverflowing && isModalOverflowing) {\n      this._element.style.paddingLeft = `${this._scrollbarWidth}px`\n    }\n\n    if (this._isBodyOverflowing && !isModalOverflowing) {\n      this._element.style.paddingRight = `${this._scrollbarWidth}px`\n    }\n  }\n\n  _resetAdjustments() {\n    this._element.style.paddingLeft = ''\n    this._element.style.paddingRight = ''\n  }\n\n  _checkScrollbar() {\n    const rect = document.body.getBoundingClientRect()\n    this._isBodyOverflowing = Math.round(rect.left + rect.right) < window.innerWidth\n    this._scrollbarWidth = this._getScrollbarWidth()\n  }\n\n  _setScrollbar() {\n    if (this._isBodyOverflowing) {\n      // Note: DOMNode.style.paddingRight returns the actual value or '' if not set\n      //   while $(DOMNode).css('padding-right') returns the calculated value or 0 if not set\n      const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))\n      const stickyContent = [].slice.call(document.querySelectorAll(SELECTOR_STICKY_CONTENT))\n\n      // Adjust fixed content padding\n      $(fixedContent).each((index, element) => {\n        const actualPadding = element.style.paddingRight\n        const calculatedPadding = $(element).css('padding-right')\n        $(element)\n          .data('padding-right', actualPadding)\n          .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n      })\n\n      // Adjust sticky content margin\n      $(stickyContent).each((index, element) => {\n        const actualMargin = element.style.marginRight\n        const calculatedMargin = $(element).css('margin-right')\n        $(element)\n          .data('margin-right', actualMargin)\n          .css('margin-right', `${parseFloat(calculatedMargin) - this._scrollbarWidth}px`)\n      })\n\n      // Adjust body padding\n      const actualPadding = document.body.style.paddingRight\n      const calculatedPadding = $(document.body).css('padding-right')\n      $(document.body)\n        .data('padding-right', actualPadding)\n        .css('padding-right', `${parseFloat(calculatedPadding) + this._scrollbarWidth}px`)\n    }\n\n    $(document.body).addClass(CLASS_NAME_OPEN)\n  }\n\n  _resetScrollbar() {\n    // Restore fixed content padding\n    const fixedContent = [].slice.call(document.querySelectorAll(SELECTOR_FIXED_CONTENT))\n    $(fixedContent).each((index, element) => {\n      const padding = $(element).data('padding-right')\n      $(element).removeData('padding-right')\n      element.style.paddingRight = padding ? padding : ''\n    })\n\n    // Restore sticky content\n    const elements = [].slice.call(document.querySelectorAll(`${SELECTOR_STICKY_CONTENT}`))\n    $(elements).each((index, element) => {\n      const margin = $(element).data('margin-right')\n      if (typeof margin !== 'undefined') {\n        $(element).css('margin-right', margin).removeData('margin-right')\n      }\n    })\n\n    // Restore body padding\n    const padding = $(document.body).data('padding-right')\n    $(document.body).removeData('padding-right')\n    document.body.style.paddingRight = padding ? padding : ''\n  }\n\n  _getScrollbarWidth() { // thx d.walsh\n    const scrollDiv = document.createElement('div')\n    scrollDiv.className = CLASS_NAME_SCROLLBAR_MEASURER\n    document.body.appendChild(scrollDiv)\n    const scrollbarWidth = scrollDiv.getBoundingClientRect().width - scrollDiv.clientWidth\n    document.body.removeChild(scrollDiv)\n    return scrollbarWidth\n  }\n\n  // Static\n\n  static _jQueryInterface(config, relatedTarget) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = {\n        ...Default,\n        ...$(this).data(),\n        ...typeof config === 'object' && config ? config : {}\n      }\n\n      if (!data) {\n        data = new Modal(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config](relatedTarget)\n      } else if (_config.show) {\n        data.show(relatedTarget)\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document).on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n  let target\n  const selector = Util.getSelectorFromElement(this)\n\n  if (selector) {\n    target = document.querySelector(selector)\n  }\n\n  const config = $(target).data(DATA_KEY)\n    ? 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diff --git a/theme/boost/amd/build/bootstrap/popover.min.js b/theme/boost/amd/build/bootstrap/popover.min.js
index c895fa097aa..8333856d63b 100644
--- a/theme/boost/amd/build/bootstrap/popover.min.js
+++ b/theme/boost/amd/build/bootstrap/popover.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=popover.min.js.map
+define("theme_boost/bootstrap/popover",["exports","jquery","./tooltip"],(function(_exports,_jquery,_tooltip){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}function _setPrototypeOf(o,p){return _setPrototypeOf=Object.setPrototypeOf||function(o,p){return o.__proto__=p,o},_setPrototypeOf(o,p)}function _createSuper(Derived){var hasNativeReflectConstruct=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(e){return!1}}();return function(){var result,Super=_getPrototypeOf(Derived);if(hasNativeReflectConstruct){var NewTarget=_getPrototypeOf(this).constructor;result=Reflect.construct(Super,arguments,NewTarget)}else result=Super.apply(this,arguments);return _possibleConstructorReturn(this,result)}}function _possibleConstructorReturn(self,call){if(call&&("object"===_typeof(call)||"function"==typeof call))return call;if(void 0!==call)throw new TypeError("Derived constructors may only return object or undefined");return function(self){if(void 0===self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return self}(self)}function _getPrototypeOf(o){return _getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function(o){return o.__proto__||Object.getPrototypeOf(o)},_getPrototypeOf(o)}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function 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Constructor,protoProps,staticProps,_super=_createSuper(Popover);function Popover(){return _classCallCheck(this,Popover),_super.apply(this,arguments)}return Constructor=Popover,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"Default",get:function(){return Default}},{key:"NAME",get:function(){return NAME}},{key:"DATA_KEY",get:function(){return"bs.popover"}},{key:"Event",get:function(){return Event}},{key:"EVENT_KEY",get:function(){return EVENT_KEY}},{key:"DefaultType",get:function(){return DefaultType}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var data=(0,_jquery.default)(this).data("bs.popover"),_config="object"===_typeof(config)?config:null;if((data||!/dispose|hide/.test(config))&&(data||(data=new Popover(this,_config),(0,_jquery.default)(this).data("bs.popover",data)),"string"==typeof config)){if(void 0===data[config])throw new TypeError('No method named 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$tip=(0,_jquery.default)(this.getTipElement()),tabClass=$tip.attr("class").match(BSCLS_PREFIX_REGEX);null!==tabClass&&tabClass.length>0&&$tip.removeClass(tabClass.join(""))}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),Popover}(_tooltip.default);_jquery.default.fn[NAME]=Popover._jQueryInterface,_jquery.default.fn[NAME].Constructor=Popover,_jquery.default.fn[NAME].noConflict=function(){return _jquery.default.fn[NAME]=JQUERY_NO_CONFLICT,Popover._jQueryInterface};var _default=Popover;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=popover.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/popover.min.js.map b/theme/boost/amd/build/bootstrap/popover.min.js.map
index 088e97de666..7466bd2824d 100644
--- a/theme/boost/amd/build/bootstrap/popover.min.js.map
+++ b/theme/boost/amd/build/bootstrap/popover.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): popover.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Tooltip from './tooltip'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'popover'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.popover'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\nconst CLASS_PREFIX        = 'bs-popover'\nconst BSCLS_PREFIX_REGEX  = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\nconst Default = {\n  ...Tooltip.Default,\n  placement : 'right',\n  trigger   : 'click',\n  content   : '',\n  template  : '<div class=\"popover\" role=\"tooltip\">' +\n              '<div class=\"arrow\"></div>' +\n              '<h3 class=\"popover-header\"></h3>' +\n              '<div class=\"popover-body\"></div></div>'\n}\n\nconst DefaultType = {\n  ...Tooltip.DefaultType,\n  content : '(string|element|function)'\n}\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TITLE   = '.popover-header'\nconst SELECTOR_CONTENT = '.popover-body'\n\nconst Event = {\n  HIDE       : `hide${EVENT_KEY}`,\n  HIDDEN     : `hidden${EVENT_KEY}`,\n  SHOW       : `show${EVENT_KEY}`,\n  SHOWN      : `shown${EVENT_KEY}`,\n  INSERTED   : `inserted${EVENT_KEY}`,\n  CLICK      : `click${EVENT_KEY}`,\n  FOCUSIN    : `focusin${EVENT_KEY}`,\n  FOCUSOUT   : `focusout${EVENT_KEY}`,\n  MOUSEENTER : `mouseenter${EVENT_KEY}`,\n  MOUSELEAVE : `mouseleave${EVENT_KEY}`\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * 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this.getTitle())\n    let content = this._getContent()\n    if (typeof content === 'function') {\n      content = content.call(this.element)\n    }\n    this.setElementContent($tip.find(SELECTOR_CONTENT), content)\n\n    $tip.removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  // Private\n\n  _getContent() {\n    return this.element.getAttribute('data-content') ||\n      this.config.content\n  }\n\n  _cleanTipClass() {\n    const $tip = $(this.getTipElement())\n    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n    if (tabClass !== null && tabClass.length > 0) {\n      $tip.removeClass(tabClass.join(''))\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' ? config : null\n\n      if (!data && /dispose|hide/.test(config)) {\n        return\n      }\n\n      if (!data) {\n        data = new Popover(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Popover._jQueryInterface\n$.fn[NAME].Constructor = Popover\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Popover._jQueryInterface\n}\n\nexport default Popover\n"],"file":"popover.min.js"}
\ No newline at end of file
+{"version":3,"file":"popover.min.js","sources":["../../src/bootstrap/popover.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): popover.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Tooltip from './tooltip'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                = 'popover'\nconst VERSION             = '4.5.0'\nconst DATA_KEY            = 'bs.popover'\nconst EVENT_KEY           = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT  = $.fn[NAME]\nconst CLASS_PREFIX        = 'bs-popover'\nconst BSCLS_PREFIX_REGEX  = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\n\nconst Default = {\n  ...Tooltip.Default,\n  placement : 'right',\n  trigger   : 'click',\n  content   : '',\n  template  : '<div class=\"popover\" role=\"tooltip\">' +\n              '<div class=\"arrow\"></div>' +\n              '<h3 class=\"popover-header\"></h3>' +\n              '<div class=\"popover-body\"></div></div>'\n}\n\nconst DefaultType = {\n  ...Tooltip.DefaultType,\n  content : '(string|element|function)'\n}\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TITLE   = '.popover-header'\nconst SELECTOR_CONTENT = '.popover-body'\n\nconst Event = {\n  HIDE       : `hide${EVENT_KEY}`,\n  HIDDEN     : `hidden${EVENT_KEY}`,\n  SHOW       : `show${EVENT_KEY}`,\n  SHOWN      : `shown${EVENT_KEY}`,\n  INSERTED   : `inserted${EVENT_KEY}`,\n  CLICK      : `click${EVENT_KEY}`,\n  FOCUSIN    : `focusin${EVENT_KEY}`,\n  FOCUSOUT   : `focusout${EVENT_KEY}`,\n  MOUSEENTER : `mouseenter${EVENT_KEY}`,\n  MOUSELEAVE : `mouseleave${EVENT_KEY}`\n}\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Popover extends Tooltip {\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get NAME() {\n    return NAME\n  }\n\n  static get DATA_KEY() {\n    return DATA_KEY\n  }\n\n  static get Event() {\n    return Event\n  }\n\n  static get EVENT_KEY() {\n    return EVENT_KEY\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Overrides\n\n  isWithContent() {\n    return this.getTitle() || this._getContent()\n  }\n\n  addAttachmentClass(attachment) {\n    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n  }\n\n  getTipElement() {\n    this.tip = this.tip || $(this.config.template)[0]\n    return this.tip\n  }\n\n  setContent() {\n    const $tip = $(this.getTipElement())\n\n    // We use append for html objects to maintain js events\n    this.setElementContent($tip.find(SELECTOR_TITLE), this.getTitle())\n    let content = this._getContent()\n    if (typeof content === 'function') {\n      content = content.call(this.element)\n    }\n    this.setElementContent($tip.find(SELECTOR_CONTENT), content)\n\n    $tip.removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  // Private\n\n  _getContent() {\n    return this.element.getAttribute('data-content') ||\n      this.config.content\n  }\n\n  _cleanTipClass() {\n    const $tip = $(this.getTipElement())\n    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n    if (tabClass !== null && tabClass.length > 0) {\n      $tip.removeClass(tabClass.join(''))\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' ? config : null\n\n      if (!data && /dispose|hide/.test(config)) {\n        return\n      }\n\n      if (!data) {\n        data = new Popover(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Popover._jQueryInterface\n$.fn[NAME].Constructor = Popover\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Popover._jQueryInterface\n}\n\nexport default Popover\n"],"names":["NAME","EVENT_KEY","JQUERY_NO_CONFLICT","$","fn","BSCLS_PREFIX_REGEX","RegExp","Default","Tooltip","placement","trigger","content","template","DefaultType","Event","HIDE","HIDDEN","SHOW","SHOWN","INSERTED","CLICK","FOCUSIN","FOCUSOUT","MOUSEENTER","MOUSELEAVE","Popover","config","this","each","data","_config","_typeof","test","TypeError","getTitle","_getContent","attachment","getTipElement","addClass","tip","$tip","setElementContent","find","call","element","removeClass","getAttribute","tabClass","attr","match","length","join","_jQueryInterface","Constructor","noConflict"],"mappings":"wqGAgBMA,KAAsB,UAGtBC,qBADsB,cAEtBC,mBAAsBC,gBAAEC,GAAGJ,MAE3BK,mBAAsB,IAAIC,wBADJ,qBACyC,KAE/DC,uCACDC,iBAAQD,aACXE,UAAY,QACZC,QAAY,QACZC,QAAY,GACZC,SAAY,wIAMRC,2CACDL,iBAAQK,iBACXF,QAAU,8BASNG,MAAQ,CACZC,mBAAoBd,WACpBe,uBAAsBf,WACtBgB,mBAAoBhB,WACpBiB,qBAAqBjB,WACrBkB,2BAAwBlB,WACxBmB,qBAAqBnB,WACrBoB,yBAAuBpB,WACvBqB,2BAAwBrB,WACxBsB,+BAA0BtB,WAC1BuB,+BAA0BvB,YAStBwB,woBAGJ,iBAnD0B,6BAuD1B,kBACSlB,0BAGT,kBACSP,2BAGT,iBA9D0B,gCAkE1B,kBACSc,6BAGT,kBACSb,mCAGT,kBACSY,4CAiDT,SAAwBa,eACfC,KAAKC,MAAK,eACXC,MAAO,mBAAEF,MAAME,KA9HG,cA+HhBC,QAA4B,WAAlBC,QAAOL,QAAsBA,OAAS,SAEjDG,OAAQ,eAAeG,KAAKN,WAI5BG,OACHA,KAAO,IAAIJ,QAAQE,KAAMG,6BACvBH,MAAME,KAvIY,aAuIGA,OAGH,iBAAXH,QAAqB,SACF,IAAjBG,KAAKH,cACR,IAAIO,qCAA8BP,aAE1CG,KAAKH,yDA9DX,kBACSC,KAAKO,YAAcP,KAAKQ,gDAGjC,SAAmBC,gCACfT,KAAKU,iBAAiBC,mBAlFA,yBAkF4BF,0CAGtD,uBACOG,IAAMZ,KAAKY,MAAO,mBAAEZ,KAAKD,OAAOd,UAAU,GACxCe,KAAKY,8BAGd,eACQC,MAAO,mBAAEb,KAAKU,sBAGfI,kBAAkBD,KAAKE,KAxEP,mBAwE6Bf,KAAKO,gBACnDvB,QAAUgB,KAAKQ,cACI,mBAAZxB,UACTA,QAAUA,QAAQgC,KAAKhB,KAAKiB,eAEzBH,kBAAkBD,KAAKE,KA5EP,iBA4E+B/B,SAEpD6B,KAAKK,sBAlFe,mBACA,oCAsFtB,kBACSlB,KAAKiB,QAAQE,aAAa,iBAC/BnB,KAAKD,OAAOf,sCAGhB,eACQ6B,MAAO,mBAAEb,KAAKU,iBACdU,SAAWP,KAAKQ,KAAK,SAASC,MAAM5C,oBACzB,OAAb0C,UAAqBA,SAASG,OAAS,GACzCV,KAAKK,YAAYE,SAASI,KAAK,4LAvEf3C,kCA2GpBJ,GAAGJ,MAAQyB,QAAQ2B,iCACnBhD,GAAGJ,MAAMqD,YAAc5B,wBACvBrB,GAAGJ,MAAMsD,WAAa,kCACpBlD,GAAGJ,MAAQE,mBACNuB,QAAQ2B,+BAGF3B"}
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diff --git a/theme/boost/amd/build/bootstrap/scrollspy.min.js b/theme/boost/amd/build/bootstrap/scrollspy.min.js
index 056d7cc09d1..68e78ef1511 100644
--- a/theme/boost/amd/build/bootstrap/scrollspy.min.js
+++ b/theme/boost/amd/build/bootstrap/scrollspy.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/bootstrap/scrollspy",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";return e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e(a)}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?f(Object(c),!0).forEach(function(b){h(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function i(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function j(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function k(a,b,c){if(b)j(a.prototype,b);if(c)j(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var l="bs.scrollspy",m=".".concat(l),n=b.default.fn.scrollspy,o={offset:10,method:"auto",target:""},p={offset:"number",method:"string",target:"(string|element)"},q="activate".concat(m),r="scroll".concat(m),s="load".concat(m).concat(".data-api"),t="active",u=".nav, .list-group",v=".nav-link",w=".list-group-item",x="position",y=function(){function a(c,d){var e=this;i(this,a);this._element=c;this._scrollElement="BODY"===c.tagName?window:c;this._config=this._getConfig(d);this._selector="".concat(this._config.target," ").concat(v,",")+"".concat(this._config.target," ").concat(w,",")+"".concat(this._config.target," ").concat(".dropdown-item");this._offsets=[];this._targets=[];this._activeTarget=null;this._scrollHeight=0;(0,b.default)(this._scrollElement).on(r,function(a){return e._process(a)});this.refresh();this._process()}k(a,[{key:"refresh",value:function refresh(){var a=this,d=this._scrollElement===this._scrollElement.window?"offset":x,e="auto"===this._config.method?d:this._config.method,f=e===x?this._getScrollTop():0;this._offsets=[];this._targets=[];this._scrollHeight=this._getScrollHeight();var g=[].slice.call(document.querySelectorAll(this._selector));g.map(function(a){var d,g=c.default.getSelectorFromElement(a);if(g){d=document.querySelector(g)}if(d){var h=d.getBoundingClientRect();if(h.width||h.height){return[(0,b.default)(d)[e]().top+f,g]}}return null}).filter(function(a){return a}).sort(function(c,a){return c[0]-a[0]}).forEach(function(b){a._offsets.push(b[0]);a._targets.push(b[1])})}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,l);(0,b.default)(this._scrollElement).off(m);this._element=null;this._scrollElement=null;this._config=null;this._selector=null;this._offsets=null;this._targets=null;this._activeTarget=null;this._scrollHeight=null}},{key:"_getConfig",value:function _getConfig(a){a=g(g({},o),"object"===e(a)&&a?a:{});if("string"!=typeof a.target&&c.default.isElement(a.target)){var d=(0,b.default)(a.target).attr("id");if(!d){d=c.default.getUID("scrollspy");(0,b.default)(a.target).attr("id",d)}a.target="#".concat(d)}c.default.typeCheckConfig("scrollspy",a,p);return a}},{key:"_getScrollTop",value:function _getScrollTop(){return this._scrollElement===window?this._scrollElement.pageYOffset:this._scrollElement.scrollTop}},{key:"_getScrollHeight",value:function _getScrollHeight(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}},{key:"_getOffsetHeight",value:function _getOffsetHeight(){return this._scrollElement===window?window.innerHeight:this._scrollElement.getBoundingClientRect().height}},{key:"_process",value:function _process(){var a=this._getScrollTop()+this._config.offset,b=this._getScrollHeight(),c=this._config.offset+b-this._getOffsetHeight();if(this._scrollHeight!==b){this.refresh()}if(a>=c){var d=this._targets[this._targets.length-1];if(this._activeTarget!==d){this._activate(d)}return}if(this._activeTarget&&a<this._offsets[0]&&0<this._offsets[0]){this._activeTarget=null;this._clear();return}for(var e=this._offsets.length,f;e--;){f=this._activeTarget!==this._targets[e]&&a>=this._offsets[e]&&("undefined"==typeof this._offsets[e+1]||a<this._offsets[e+1]);if(f){this._activate(this._targets[e])}}}},{key:"_activate",value:function _activate(a){this._activeTarget=a;this._clear();var c=this._selector.split(",").map(function(b){return"".concat(b,"[data-target=\"").concat(a,"\"],").concat(b,"[href=\"").concat(a,"\"]")}),d=(0,b.default)([].slice.call(document.querySelectorAll(c.join(","))));if(d.hasClass("dropdown-item")){d.closest(".dropdown").find(".dropdown-toggle").addClass(t);d.addClass(t)}else{d.addClass(t);d.parents(u).prev("".concat(v,", ").concat(w)).addClass(t);d.parents(u).prev(".nav-item").children(v).addClass(t)}(0,b.default)(this._scrollElement).trigger(q,{relatedTarget:a})}},{key:"_clear",value:function _clear(){[].slice.call(document.querySelectorAll(this._selector)).filter(function(a){return a.classList.contains(t)}).forEach(function(a){return a.classList.remove(t)})}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return o}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this).data(l),f="object"===e(c)&&c;if(!d){d=new a(this,f);(0,b.default)(this).data(l,d)}if("string"==typeof c){if("undefined"==typeof d[c]){throw new TypeError("No method named \"".concat(c,"\""))}d[c]()}})}}]);return a}();(0,b.default)(window).on(s,function(){for(var a=[].slice.call(document.querySelectorAll("[data-spy=\"scroll\"]")),c=a.length,d=c,e;d--;){e=(0,b.default)(a[d]);y._jQueryInterface.call(e,e.data())}});b.default.fn.scrollspy=y._jQueryInterface;b.default.fn.scrollspy.Constructor=y;b.default.fn.scrollspy.noConflict=function(){b.default.fn.scrollspy=n;return y._jQueryInterface};a.default=y;return a.default});
-//# sourceMappingURL=scrollspy.min.js.map
+define("theme_boost/bootstrap/scrollspy",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);var NAME="scrollspy",EVENT_KEY=".".concat("bs.scrollspy"),JQUERY_NO_CONFLICT=_jquery.default.fn[NAME],Default={offset:10,method:"auto",target:""},DefaultType={offset:"number",method:"string",target:"(string|element)"},EVENT_ACTIVATE="activate".concat(EVENT_KEY),EVENT_SCROLL="scroll".concat(EVENT_KEY),EVENT_LOAD_DATA_API="load".concat(EVENT_KEY).concat(".data-api"),ScrollSpy=function(){function ScrollSpy(element,config){var _this=this;!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,ScrollSpy),this._element=element,this._scrollElement="BODY"===element.tagName?window:element,this._config=this._getConfig(config),this._selector="".concat(this._config.target," ").concat(".nav-link",",")+"".concat(this._config.target," ").concat(".list-group-item",",")+"".concat(this._config.target," ").concat(".dropdown-item"),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,(0,_jquery.default)(this._scrollElement).on(EVENT_SCROLL,(function(event){return _this._process(event)})),this.refresh(),this._process()}var Constructor,protoProps,staticProps;return Constructor=ScrollSpy,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"Default",get:function(){return Default}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var data=(0,_jquery.default)(this).data("bs.scrollspy"),_config="object"===_typeof(config)&&config;if(data||(data=new ScrollSpy(this,_config),(0,_jquery.default)(this).data("bs.scrollspy",data)),"string"==typeof config){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config]()}}))}}],(protoProps=[{key:"refresh",value:function(){var _this2=this,autoMethod=this._scrollElement===this._scrollElement.window?"offset":"position",offsetMethod="auto"===this._config.method?autoMethod:this._config.method,offsetBase="position"===offsetMethod?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight(),[].slice.call(document.querySelectorAll(this._selector)).map((function(element){var target,targetSelector=_util.default.getSelectorFromElement(element);if(targetSelector&&(target=document.querySelector(targetSelector)),target){var targetBCR=target.getBoundingClientRect();if(targetBCR.width||targetBCR.height)return[(0,_jquery.default)(target)[offsetMethod]().top+offsetBase,targetSelector]}return null})).filter((function(item){return item})).sort((function(a,b){return a[0]-b[0]})).forEach((function(item){_this2._offsets.push(item[0]),_this2._targets.push(item[1])}))}},{key:"dispose",value:function(){_jquery.default.removeData(this._element,"bs.scrollspy"),(0,_jquery.default)(this._scrollElement).off(EVENT_KEY),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null}},{key:"_getConfig",value:function(config){if("string"!=typeof(config=_objectSpread(_objectSpread({},Default),"object"===_typeof(config)&&config?config:{})).target&&_util.default.isElement(config.target)){var id=(0,_jquery.default)(config.target).attr("id");id||(id=_util.default.getUID(NAME),(0,_jquery.default)(config.target).attr("id",id)),config.target="#".concat(id)}return _util.default.typeCheckConfig(NAME,config,DefaultType),config}},{key:"_getScrollTop",value:function(){return this._scrollElement===window?this._scrollElement.pageYOffset:this._scrollElement.scrollTop}},{key:"_getScrollHeight",value:function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}},{key:"_getOffsetHeight",value:function(){return this._scrollElement===window?window.innerHeight:this._scrollElement.getBoundingClientRect().height}},{key:"_process",value:function(){var scrollTop=this._getScrollTop()+this._config.offset,scrollHeight=this._getScrollHeight(),maxScroll=this._config.offset+scrollHeight-this._getOffsetHeight();if(this._scrollHeight!==scrollHeight&&this.refresh(),scrollTop>=maxScroll){var target=this._targets[this._targets.length-1];this._activeTarget!==target&&this._activate(target)}else{if(this._activeTarget&&scrollTop<this._offsets[0]&&this._offsets[0]>0)return this._activeTarget=null,void this._clear();for(var i=this._offsets.length;i--;)this._activeTarget!==this._targets[i]&&scrollTop>=this._offsets[i]&&(void 0===this._offsets[i+1]||scrollTop<this._offsets[i+1])&&this._activate(this._targets[i])}}},{key:"_activate",value:function(target){this._activeTarget=target,this._clear();var queries=this._selector.split(",").map((function(selector){return"".concat(selector,'[data-target="').concat(target,'"],').concat(selector,'[href="').concat(target,'"]')})),$link=(0,_jquery.default)([].slice.call(document.querySelectorAll(queries.join(","))));$link.hasClass("dropdown-item")?($link.closest(".dropdown").find(".dropdown-toggle").addClass("active"),$link.addClass("active")):($link.addClass("active"),$link.parents(".nav, .list-group").prev("".concat(".nav-link",", ").concat(".list-group-item")).addClass("active"),$link.parents(".nav, .list-group").prev(".nav-item").children(".nav-link").addClass("active")),(0,_jquery.default)(this._scrollElement).trigger(EVENT_ACTIVATE,{relatedTarget:target})}},{key:"_clear",value:function(){[].slice.call(document.querySelectorAll(this._selector)).filter((function(node){return node.classList.contains("active")})).forEach((function(node){return node.classList.remove("active")}))}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),ScrollSpy}();(0,_jquery.default)(window).on(EVENT_LOAD_DATA_API,(function(){for(var scrollSpys=[].slice.call(document.querySelectorAll('[data-spy="scroll"]')),i=scrollSpys.length;i--;){var $spy=(0,_jquery.default)(scrollSpys[i]);ScrollSpy._jQueryInterface.call($spy,$spy.data())}})),_jquery.default.fn[NAME]=ScrollSpy._jQueryInterface,_jquery.default.fn[NAME].Constructor=ScrollSpy,_jquery.default.fn[NAME].noConflict=function(){return _jquery.default.fn[NAME]=JQUERY_NO_CONFLICT,ScrollSpy._jQueryInterface};var _default=ScrollSpy;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=scrollspy.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/scrollspy.min.js.map b/theme/boost/amd/build/bootstrap/scrollspy.min.js.map
index 9b679943dad..532b2e902d8 100644
--- a/theme/boost/amd/build/bootstrap/scrollspy.min.js.map
+++ b/theme/boost/amd/build/bootstrap/scrollspy.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'scrollspy'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.scrollspy'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst Default = {\n  offset : 10,\n  method : 'auto',\n  target : ''\n}\n\nconst DefaultType = {\n  offset : 'number',\n  method : 'string',\n  target : '(string|element)'\n}\n\nconst EVENT_ACTIVATE      = `activate${EVENT_KEY}`\nconst EVENT_SCROLL        = `scroll${EVENT_KEY}`\nconst EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item'\nconst CLASS_NAME_ACTIVE        = 'active'\n\nconst SELECTOR_DATA_SPY        = '[data-spy=\"scroll\"]'\nconst SELECTOR_NAV_LIST_GROUP  = '.nav, .list-group'\nconst SELECTOR_NAV_LINKS       = '.nav-link'\nconst SELECTOR_NAV_ITEMS       = '.nav-item'\nconst SELECTOR_LIST_ITEMS      = '.list-group-item'\nconst SELECTOR_DROPDOWN        = '.dropdown'\nconst SELECTOR_DROPDOWN_ITEMS  = '.dropdown-item'\nconst SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'\n\nconst METHOD_OFFSET   = 'offset'\nconst METHOD_POSITION = 'position'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass ScrollSpy {\n  constructor(element, config) {\n    this._element       = element\n    this._scrollElement = element.tagName === 'BODY' ? window : element\n    this._config        = this._getConfig(config)\n    this._selector      = `${this._config.target} ${SELECTOR_NAV_LINKS},` +\n                          `${this._config.target} ${SELECTOR_LIST_ITEMS},` +\n                          `${this._config.target} ${SELECTOR_DROPDOWN_ITEMS}`\n    this._offsets       = []\n    this._targets       = []\n    this._activeTarget  = null\n    this._scrollHeight  = 0\n\n    $(this._scrollElement).on(EVENT_SCROLL, (event) => this._process(event))\n\n    this.refresh()\n    this._process()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  refresh() {\n    const autoMethod = this._scrollElement === this._scrollElement.window\n      ? METHOD_OFFSET : METHOD_POSITION\n\n    const offsetMethod = this._config.method === 'auto'\n      ? autoMethod : this._config.method\n\n    const offsetBase = offsetMethod === METHOD_POSITION\n      ? this._getScrollTop() : 0\n\n    this._offsets = []\n    this._targets = []\n\n    this._scrollHeight = this._getScrollHeight()\n\n    const targets = [].slice.call(document.querySelectorAll(this._selector))\n\n    targets\n      .map((element) => {\n        let target\n        const targetSelector = Util.getSelectorFromElement(element)\n\n        if (targetSelector) {\n          target = document.querySelector(targetSelector)\n        }\n\n        if (target) {\n          const targetBCR = target.getBoundingClientRect()\n          if (targetBCR.width || targetBCR.height) {\n            // TODO (fat): remove sketch reliance on jQuery position/offset\n            return [\n              $(target)[offsetMethod]().top + offsetBase,\n              targetSelector\n            ]\n          }\n        }\n        return null\n      })\n      .filter((item) => item)\n      .sort((a, b) => a[0] - b[0])\n      .forEach((item) => {\n        this._offsets.push(item[0])\n        this._targets.push(item[1])\n      })\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    $(this._scrollElement).off(EVENT_KEY)\n\n    this._element       = null\n    this._scrollElement = null\n    this._config        = null\n    this._selector      = null\n    this._offsets       = null\n    this._targets       = null\n    this._activeTarget  = null\n    this._scrollHeight  = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    if (typeof config.target !== 'string' && Util.isElement(config.target)) {\n      let id = $(config.target).attr('id')\n      if (!id) {\n        id = Util.getUID(NAME)\n        $(config.target).attr('id', id)\n      }\n      config.target = `#${id}`\n    }\n\n    Util.typeCheckConfig(NAME, config, DefaultType)\n\n    return config\n  }\n\n  _getScrollTop() {\n    return this._scrollElement === window\n      ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop\n  }\n\n  _getScrollHeight() {\n    return this._scrollElement.scrollHeight || Math.max(\n      document.body.scrollHeight,\n      document.documentElement.scrollHeight\n    )\n  }\n\n  _getOffsetHeight() {\n    return this._scrollElement === window\n      ? window.innerHeight : this._scrollElement.getBoundingClientRect().height\n  }\n\n  _process() {\n    const scrollTop    = this._getScrollTop() + this._config.offset\n    const scrollHeight = this._getScrollHeight()\n    const maxScroll    = this._config.offset + scrollHeight - this._getOffsetHeight()\n\n    if (this._scrollHeight !== scrollHeight) {\n      this.refresh()\n    }\n\n    if (scrollTop >= maxScroll) {\n      const target = this._targets[this._targets.length - 1]\n\n      if (this._activeTarget !== target) {\n        this._activate(target)\n      }\n      return\n    }\n\n    if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n      this._activeTarget = null\n      this._clear()\n      return\n    }\n\n    for (let i = this._offsets.length; i--;) {\n      const isActiveTarget = this._activeTarget !== this._targets[i] &&\n          scrollTop >= this._offsets[i] &&\n          (typeof this._offsets[i + 1] === 'undefined' ||\n              scrollTop < this._offsets[i + 1])\n\n      if (isActiveTarget) {\n        this._activate(this._targets[i])\n      }\n    }\n  }\n\n  _activate(target) {\n    this._activeTarget = target\n\n    this._clear()\n\n    const queries = this._selector\n      .split(',')\n      .map((selector) => `${selector}[data-target=\"${target}\"],${selector}[href=\"${target}\"]`)\n\n    const $link = $([].slice.call(document.querySelectorAll(queries.join(','))))\n\n    if ($link.hasClass(CLASS_NAME_DROPDOWN_ITEM)) {\n      $link.closest(SELECTOR_DROPDOWN)\n        .find(SELECTOR_DROPDOWN_TOGGLE)\n        .addClass(CLASS_NAME_ACTIVE)\n      $link.addClass(CLASS_NAME_ACTIVE)\n    } else {\n      // Set triggered link as active\n      $link.addClass(CLASS_NAME_ACTIVE)\n      // Set triggered links parents as active\n      // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n      $link.parents(SELECTOR_NAV_LIST_GROUP)\n        .prev(`${SELECTOR_NAV_LINKS}, ${SELECTOR_LIST_ITEMS}`)\n        .addClass(CLASS_NAME_ACTIVE)\n      // Handle special case when .nav-link is inside .nav-item\n      $link.parents(SELECTOR_NAV_LIST_GROUP)\n        .prev(SELECTOR_NAV_ITEMS)\n        .children(SELECTOR_NAV_LINKS)\n        .addClass(CLASS_NAME_ACTIVE)\n    }\n\n    $(this._scrollElement).trigger(EVENT_ACTIVATE, {\n      relatedTarget: target\n    })\n  }\n\n  _clear() {\n    [].slice.call(document.querySelectorAll(this._selector))\n      .filter((node) => node.classList.contains(CLASS_NAME_ACTIVE))\n      .forEach((node) => node.classList.remove(CLASS_NAME_ACTIVE))\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' && config\n\n      if (!data) {\n        data = new ScrollSpy(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  const scrollSpys = [].slice.call(document.querySelectorAll(SELECTOR_DATA_SPY))\n  const scrollSpysLength = scrollSpys.length\n\n  for (let i = scrollSpysLength; i--;) {\n    const $spy = $(scrollSpys[i])\n    ScrollSpy._jQueryInterface.call($spy, $spy.data())\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = ScrollSpy._jQueryInterface\n$.fn[NAME].Constructor = ScrollSpy\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return ScrollSpy._jQueryInterface\n}\n\nexport default ScrollSpy\n"],"file":"scrollspy.min.js"}
\ No newline at end of file
+{"version":3,"file":"scrollspy.min.js","sources":["../../src/bootstrap/scrollspy.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): scrollspy.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'scrollspy'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.scrollspy'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst Default = {\n  offset : 10,\n  method : 'auto',\n  target : ''\n}\n\nconst DefaultType = {\n  offset : 'number',\n  method : 'string',\n  target : '(string|element)'\n}\n\nconst EVENT_ACTIVATE      = `activate${EVENT_KEY}`\nconst EVENT_SCROLL        = `scroll${EVENT_KEY}`\nconst EVENT_LOAD_DATA_API = `load${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DROPDOWN_ITEM = 'dropdown-item'\nconst CLASS_NAME_ACTIVE        = 'active'\n\nconst SELECTOR_DATA_SPY        = '[data-spy=\"scroll\"]'\nconst SELECTOR_NAV_LIST_GROUP  = '.nav, .list-group'\nconst SELECTOR_NAV_LINKS       = '.nav-link'\nconst SELECTOR_NAV_ITEMS       = '.nav-item'\nconst SELECTOR_LIST_ITEMS      = '.list-group-item'\nconst SELECTOR_DROPDOWN        = '.dropdown'\nconst SELECTOR_DROPDOWN_ITEMS  = '.dropdown-item'\nconst SELECTOR_DROPDOWN_TOGGLE = '.dropdown-toggle'\n\nconst METHOD_OFFSET   = 'offset'\nconst METHOD_POSITION = 'position'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass ScrollSpy {\n  constructor(element, config) {\n    this._element       = element\n    this._scrollElement = element.tagName === 'BODY' ? window : element\n    this._config        = this._getConfig(config)\n    this._selector      = `${this._config.target} ${SELECTOR_NAV_LINKS},` +\n                          `${this._config.target} ${SELECTOR_LIST_ITEMS},` +\n                          `${this._config.target} ${SELECTOR_DROPDOWN_ITEMS}`\n    this._offsets       = []\n    this._targets       = []\n    this._activeTarget  = null\n    this._scrollHeight  = 0\n\n    $(this._scrollElement).on(EVENT_SCROLL, (event) => this._process(event))\n\n    this.refresh()\n    this._process()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  refresh() {\n    const autoMethod = this._scrollElement === this._scrollElement.window\n      ? METHOD_OFFSET : METHOD_POSITION\n\n    const offsetMethod = this._config.method === 'auto'\n      ? autoMethod : this._config.method\n\n    const offsetBase = offsetMethod === METHOD_POSITION\n      ? this._getScrollTop() : 0\n\n    this._offsets = []\n    this._targets = []\n\n    this._scrollHeight = this._getScrollHeight()\n\n    const targets = [].slice.call(document.querySelectorAll(this._selector))\n\n    targets\n      .map((element) => {\n        let target\n        const targetSelector = Util.getSelectorFromElement(element)\n\n        if (targetSelector) {\n          target = document.querySelector(targetSelector)\n        }\n\n        if (target) {\n          const targetBCR = target.getBoundingClientRect()\n          if (targetBCR.width || targetBCR.height) {\n            // TODO (fat): remove sketch reliance on jQuery position/offset\n            return [\n              $(target)[offsetMethod]().top + offsetBase,\n              targetSelector\n            ]\n          }\n        }\n        return null\n      })\n      .filter((item) => item)\n      .sort((a, b) => a[0] - b[0])\n      .forEach((item) => {\n        this._offsets.push(item[0])\n        this._targets.push(item[1])\n      })\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    $(this._scrollElement).off(EVENT_KEY)\n\n    this._element       = null\n    this._scrollElement = null\n    this._config        = null\n    this._selector      = null\n    this._offsets       = null\n    this._targets       = null\n    this._activeTarget  = null\n    this._scrollHeight  = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    if (typeof config.target !== 'string' && Util.isElement(config.target)) {\n      let id = $(config.target).attr('id')\n      if (!id) {\n        id = Util.getUID(NAME)\n        $(config.target).attr('id', id)\n      }\n      config.target = `#${id}`\n    }\n\n    Util.typeCheckConfig(NAME, config, DefaultType)\n\n    return config\n  }\n\n  _getScrollTop() {\n    return this._scrollElement === window\n      ? this._scrollElement.pageYOffset : this._scrollElement.scrollTop\n  }\n\n  _getScrollHeight() {\n    return this._scrollElement.scrollHeight || Math.max(\n      document.body.scrollHeight,\n      document.documentElement.scrollHeight\n    )\n  }\n\n  _getOffsetHeight() {\n    return this._scrollElement === window\n      ? window.innerHeight : this._scrollElement.getBoundingClientRect().height\n  }\n\n  _process() {\n    const scrollTop    = this._getScrollTop() + this._config.offset\n    const scrollHeight = this._getScrollHeight()\n    const maxScroll    = this._config.offset + scrollHeight - this._getOffsetHeight()\n\n    if (this._scrollHeight !== scrollHeight) {\n      this.refresh()\n    }\n\n    if (scrollTop >= maxScroll) {\n      const target = this._targets[this._targets.length - 1]\n\n      if (this._activeTarget !== target) {\n        this._activate(target)\n      }\n      return\n    }\n\n    if (this._activeTarget && scrollTop < this._offsets[0] && this._offsets[0] > 0) {\n      this._activeTarget = null\n      this._clear()\n      return\n    }\n\n    for (let i = this._offsets.length; i--;) {\n      const isActiveTarget = this._activeTarget !== this._targets[i] &&\n          scrollTop >= this._offsets[i] &&\n          (typeof this._offsets[i + 1] === 'undefined' ||\n              scrollTop < this._offsets[i + 1])\n\n      if (isActiveTarget) {\n        this._activate(this._targets[i])\n      }\n    }\n  }\n\n  _activate(target) {\n    this._activeTarget = target\n\n    this._clear()\n\n    const queries = this._selector\n      .split(',')\n      .map((selector) => `${selector}[data-target=\"${target}\"],${selector}[href=\"${target}\"]`)\n\n    const $link = $([].slice.call(document.querySelectorAll(queries.join(','))))\n\n    if ($link.hasClass(CLASS_NAME_DROPDOWN_ITEM)) {\n      $link.closest(SELECTOR_DROPDOWN)\n        .find(SELECTOR_DROPDOWN_TOGGLE)\n        .addClass(CLASS_NAME_ACTIVE)\n      $link.addClass(CLASS_NAME_ACTIVE)\n    } else {\n      // Set triggered link as active\n      $link.addClass(CLASS_NAME_ACTIVE)\n      // Set triggered links parents as active\n      // With both <ul> and <nav> markup a parent is the previous sibling of any nav ancestor\n      $link.parents(SELECTOR_NAV_LIST_GROUP)\n        .prev(`${SELECTOR_NAV_LINKS}, ${SELECTOR_LIST_ITEMS}`)\n        .addClass(CLASS_NAME_ACTIVE)\n      // Handle special case when .nav-link is inside .nav-item\n      $link.parents(SELECTOR_NAV_LIST_GROUP)\n        .prev(SELECTOR_NAV_ITEMS)\n        .children(SELECTOR_NAV_LINKS)\n        .addClass(CLASS_NAME_ACTIVE)\n    }\n\n    $(this._scrollElement).trigger(EVENT_ACTIVATE, {\n      relatedTarget: target\n    })\n  }\n\n  _clear() {\n    [].slice.call(document.querySelectorAll(this._selector))\n      .filter((node) => node.classList.contains(CLASS_NAME_ACTIVE))\n      .forEach((node) => node.classList.remove(CLASS_NAME_ACTIVE))\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' && config\n\n      if (!data) {\n        data = new ScrollSpy(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(window).on(EVENT_LOAD_DATA_API, () => {\n  const scrollSpys = [].slice.call(document.querySelectorAll(SELECTOR_DATA_SPY))\n  const scrollSpysLength = scrollSpys.length\n\n  for (let i = scrollSpysLength; i--;) {\n    const $spy = $(scrollSpys[i])\n    ScrollSpy._jQueryInterface.call($spy, $spy.data())\n  }\n})\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = ScrollSpy._jQueryInterface\n$.fn[NAME].Constructor = ScrollSpy\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return ScrollSpy._jQueryInterface\n}\n\nexport default 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\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/tab.min.js b/theme/boost/amd/build/bootstrap/tab.min.js
index df6df4c8c73..1852a69c436 100644
--- a/theme/boost/amd/build/bootstrap/tab.min.js
+++ b/theme/boost/amd/build/bootstrap/tab.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/bootstrap/tab",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function f(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function g(a,b,c){if(b)f(a.prototype,b);if(c)f(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var h="bs.tab",i=".".concat(h),j=b.default.fn.tab,k="hide".concat(i),l="hidden".concat(i),m="show".concat(i),n="shown".concat(i),o="click".concat(i).concat(".data-api"),p="active",q="fade",r="show",s=".active",t="> li > .active",u=function(){function a(b){e(this,a);this._element=b}g(a,[{key:"show",value:function show(){var a=this;if(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&(0,b.default)(this._element).hasClass(p)||(0,b.default)(this._element).hasClass("disabled")){return}var d,e,f=(0,b.default)(this._element).closest(".nav, .list-group")[0],g=c.default.getSelectorFromElement(this._element);if(f){var o="UL"===f.nodeName||"OL"===f.nodeName?t:s;e=b.default.makeArray((0,b.default)(f).find(o));e=e[e.length-1]}var h=b.default.Event(k,{relatedTarget:this._element}),i=b.default.Event(m,{relatedTarget:e});if(e){(0,b.default)(e).trigger(h)}(0,b.default)(this._element).trigger(i);if(i.isDefaultPrevented()||h.isDefaultPrevented()){return}if(g){d=document.querySelector(g)}this._activate(this._element,f);var j=function(){var c=b.default.Event(l,{relatedTarget:a._element}),d=b.default.Event(n,{relatedTarget:e});(0,b.default)(e).trigger(c);(0,b.default)(a._element).trigger(d)};if(d){this._activate(d,d.parentNode,j)}else{j()}}},{key:"dispose",value:function dispose(){b.default.removeData(this._element,h);this._element=null}},{key:"_activate",value:function _activate(a,d,e){var f=this,g=d&&("UL"===d.nodeName||"OL"===d.nodeName)?(0,b.default)(d).find(t):(0,b.default)(d).children(s),h=g[0],i=e&&h&&(0,b.default)(h).hasClass(q),j=function(){return f._transitionComplete(a,h,e)};if(h&&i){var k=c.default.getTransitionDurationFromElement(h);(0,b.default)(h).removeClass(r).one(c.default.TRANSITION_END,j).emulateTransitionEnd(k)}else{j()}}},{key:"_transitionComplete",value:function _transitionComplete(a,d,e){if(d){(0,b.default)(d).removeClass(p);var f=(0,b.default)(d.parentNode).find("> .dropdown-menu .active")[0];if(f){(0,b.default)(f).removeClass(p)}if("tab"===d.getAttribute("role")){d.setAttribute("aria-selected",!1)}}(0,b.default)(a).addClass(p);if("tab"===a.getAttribute("role")){a.setAttribute("aria-selected",!0)}c.default.reflow(a);if(a.classList.contains(q)){a.classList.add(r)}if(a.parentNode&&(0,b.default)(a.parentNode).hasClass("dropdown-menu")){var g=(0,b.default)(a).closest(".dropdown")[0];if(g){var h=[].slice.call(g.querySelectorAll(".dropdown-toggle"));(0,b.default)(h).addClass(p)}a.setAttribute("aria-expanded",!0)}if(e){e()}}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this),e=d.data(h);if(!e){e=new a(this);d.data(h,e)}if("string"==typeof c){if("undefined"==typeof e[c]){throw new TypeError("No method named \"".concat(c,"\""))}e[c]()}})}}]);return a}();(0,b.default)(document).on(o,"[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]",function(a){a.preventDefault();u._jQueryInterface.call((0,b.default)(this),"show")});b.default.fn.tab=u._jQueryInterface;b.default.fn.tab.Constructor=u;b.default.fn.tab.noConflict=function(){b.default.fn.tab=j;return u._jQueryInterface};a.default=u;return a.default});
-//# sourceMappingURL=tab.min.js.map
+define("theme_boost/bootstrap/tab",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);var EVENT_KEY=".".concat("bs.tab"),JQUERY_NO_CONFLICT=_jquery.default.fn.tab,EVENT_HIDE="hide".concat(EVENT_KEY),EVENT_HIDDEN="hidden".concat(EVENT_KEY),EVENT_SHOW="show".concat(EVENT_KEY),EVENT_SHOWN="shown".concat(EVENT_KEY),EVENT_CLICK_DATA_API="click".concat(EVENT_KEY).concat(".data-api"),Tab=function(){function Tab(element){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Tab),this._element=element}var Constructor,protoProps,staticProps;return Constructor=Tab,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var $this=(0,_jquery.default)(this),data=$this.data("bs.tab");if(data||(data=new Tab(this),$this.data("bs.tab",data)),"string"==typeof config){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config]()}}))}}],(protoProps=[{key:"show",value:function(){var _this=this;if(!(this._element.parentNode&&this._element.parentNode.nodeType===Node.ELEMENT_NODE&&(0,_jquery.default)(this._element).hasClass("active")||(0,_jquery.default)(this._element).hasClass("disabled"))){var target,previous,listElement=(0,_jquery.default)(this._element).closest(".nav, .list-group")[0],selector=_util.default.getSelectorFromElement(this._element);if(listElement){var itemSelector="UL"===listElement.nodeName||"OL"===listElement.nodeName?"> li > .active":".active";previous=(previous=_jquery.default.makeArray((0,_jquery.default)(listElement).find(itemSelector)))[previous.length-1]}var hideEvent=_jquery.default.Event(EVENT_HIDE,{relatedTarget:this._element}),showEvent=_jquery.default.Event(EVENT_SHOW,{relatedTarget:previous});if(previous&&(0,_jquery.default)(previous).trigger(hideEvent),(0,_jquery.default)(this._element).trigger(showEvent),!showEvent.isDefaultPrevented()&&!hideEvent.isDefaultPrevented()){selector&&(target=document.querySelector(selector)),this._activate(this._element,listElement);var complete=function(){var hiddenEvent=_jquery.default.Event(EVENT_HIDDEN,{relatedTarget:_this._element}),shownEvent=_jquery.default.Event(EVENT_SHOWN,{relatedTarget:previous});(0,_jquery.default)(previous).trigger(hiddenEvent),(0,_jquery.default)(_this._element).trigger(shownEvent)};target?this._activate(target,target.parentNode,complete):complete()}}}},{key:"dispose",value:function(){_jquery.default.removeData(this._element,"bs.tab"),this._element=null}},{key:"_activate",value:function(element,container,callback){var _this2=this,active=(!container||"UL"!==container.nodeName&&"OL"!==container.nodeName?(0,_jquery.default)(container).children(".active"):(0,_jquery.default)(container).find("> li > .active"))[0],isTransitioning=callback&&active&&(0,_jquery.default)(active).hasClass("fade"),complete=function(){return _this2._transitionComplete(element,active,callback)};if(active&&isTransitioning){var transitionDuration=_util.default.getTransitionDurationFromElement(active);(0,_jquery.default)(active).removeClass("show").one(_util.default.TRANSITION_END,complete).emulateTransitionEnd(transitionDuration)}else complete()}},{key:"_transitionComplete",value:function(element,active,callback){if(active){(0,_jquery.default)(active).removeClass("active");var dropdownChild=(0,_jquery.default)(active.parentNode).find("> .dropdown-menu .active")[0];dropdownChild&&(0,_jquery.default)(dropdownChild).removeClass("active"),"tab"===active.getAttribute("role")&&active.setAttribute("aria-selected",!1)}if((0,_jquery.default)(element).addClass("active"),"tab"===element.getAttribute("role")&&element.setAttribute("aria-selected",!0),_util.default.reflow(element),element.classList.contains("fade")&&element.classList.add("show"),element.parentNode&&(0,_jquery.default)(element.parentNode).hasClass("dropdown-menu")){var dropdownElement=(0,_jquery.default)(element).closest(".dropdown")[0];if(dropdownElement){var dropdownToggleList=[].slice.call(dropdownElement.querySelectorAll(".dropdown-toggle"));(0,_jquery.default)(dropdownToggleList).addClass("active")}element.setAttribute("aria-expanded",!0)}callback&&callback()}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),Tab}();(0,_jquery.default)(document).on(EVENT_CLICK_DATA_API,'[data-toggle="tab"], [data-toggle="pill"], [data-toggle="list"]',(function(event){event.preventDefault(),Tab._jQueryInterface.call((0,_jquery.default)(this),"show")})),_jquery.default.fn.tab=Tab._jQueryInterface,_jquery.default.fn.tab.Constructor=Tab,_jquery.default.fn.tab.noConflict=function(){return _jquery.default.fn.tab=JQUERY_NO_CONFLICT,Tab._jQueryInterface};var _default=Tab;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=tab.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/tab.min.js.map b/theme/boost/amd/build/bootstrap/tab.min.js.map
index 3cd50087582..930a5149705 100644
--- a/theme/boost/amd/build/bootstrap/tab.min.js.map
+++ b/theme/boost/amd/build/bootstrap/tab.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'tab'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.tab'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_HIDE           = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN         = `hidden${EVENT_KEY}`\nconst EVENT_SHOW           = `show${EVENT_KEY}`\nconst EVENT_SHOWN          = `shown${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu'\nconst CLASS_NAME_ACTIVE        = 'active'\nconst CLASS_NAME_DISABLED      = 'disabled'\nconst CLASS_NAME_FADE          = 'fade'\nconst CLASS_NAME_SHOW          = 'show'\n\nconst SELECTOR_DROPDOWN              = '.dropdown'\nconst SELECTOR_NAV_LIST_GROUP        = '.nav, .list-group'\nconst SELECTOR_ACTIVE                = '.active'\nconst SELECTOR_ACTIVE_UL             = '> li > .active'\nconst SELECTOR_DATA_TOGGLE           = '[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]'\nconst SELECTOR_DROPDOWN_TOGGLE       = '.dropdown-toggle'\nconst SELECTOR_DROPDOWN_ACTIVE_CHILD = '> .dropdown-menu .active'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Tab {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  show() {\n    if (this._element.parentNode &&\n        this._element.parentNode.nodeType === Node.ELEMENT_NODE &&\n        $(this._element).hasClass(CLASS_NAME_ACTIVE) ||\n        $(this._element).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    let target\n    let previous\n    const listElement = $(this._element).closest(SELECTOR_NAV_LIST_GROUP)[0]\n    const selector = Util.getSelectorFromElement(this._element)\n\n    if (listElement) {\n      const itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE\n      previous = $.makeArray($(listElement).find(itemSelector))\n      previous = previous[previous.length - 1]\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE, {\n      relatedTarget: this._element\n    })\n\n    const showEvent = $.Event(EVENT_SHOW, {\n      relatedTarget: previous\n    })\n\n    if (previous) {\n      $(previous).trigger(hideEvent)\n    }\n\n    $(this._element).trigger(showEvent)\n\n    if (showEvent.isDefaultPrevented() ||\n        hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (selector) {\n      target = document.querySelector(selector)\n    }\n\n    this._activate(\n      this._element,\n      listElement\n    )\n\n    const complete = () => {\n      const hiddenEvent = $.Event(EVENT_HIDDEN, {\n        relatedTarget: this._element\n      })\n\n      const shownEvent = $.Event(EVENT_SHOWN, {\n        relatedTarget: previous\n      })\n\n      $(previous).trigger(hiddenEvent)\n      $(this._element).trigger(shownEvent)\n    }\n\n    if (target) {\n      this._activate(target, target.parentNode, complete)\n    } else {\n      complete()\n    }\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Private\n\n  _activate(element, container, callback) {\n    const activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL')\n      ? $(container).find(SELECTOR_ACTIVE_UL)\n      : $(container).children(SELECTOR_ACTIVE)\n\n    const active = activeElements[0]\n    const isTransitioning = callback && (active && $(active).hasClass(CLASS_NAME_FADE))\n    const complete = () => this._transitionComplete(\n      element,\n      active,\n      callback\n    )\n\n    if (active && isTransitioning) {\n      const transitionDuration = Util.getTransitionDurationFromElement(active)\n\n      $(active)\n        .removeClass(CLASS_NAME_SHOW)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  _transitionComplete(element, active, callback) {\n    if (active) {\n      $(active).removeClass(CLASS_NAME_ACTIVE)\n\n      const dropdownChild = $(active.parentNode).find(\n        SELECTOR_DROPDOWN_ACTIVE_CHILD\n      )[0]\n\n      if (dropdownChild) {\n        $(dropdownChild).removeClass(CLASS_NAME_ACTIVE)\n      }\n\n      if (active.getAttribute('role') === 'tab') {\n        active.setAttribute('aria-selected', false)\n      }\n    }\n\n    $(element).addClass(CLASS_NAME_ACTIVE)\n    if (element.getAttribute('role') === 'tab') {\n      element.setAttribute('aria-selected', true)\n    }\n\n    Util.reflow(element)\n\n    if (element.classList.contains(CLASS_NAME_FADE)) {\n      element.classList.add(CLASS_NAME_SHOW)\n    }\n\n    if (element.parentNode && $(element.parentNode).hasClass(CLASS_NAME_DROPDOWN_MENU)) {\n      const dropdownElement = $(element).closest(SELECTOR_DROPDOWN)[0]\n\n      if (dropdownElement) {\n        const dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(SELECTOR_DROPDOWN_TOGGLE))\n\n        $(dropdownToggleList).addClass(CLASS_NAME_ACTIVE)\n      }\n\n      element.setAttribute('aria-expanded', true)\n    }\n\n    if (callback) {\n      callback()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $this = $(this)\n      let data = $this.data(DATA_KEY)\n\n      if (!data) {\n        data = new Tab(this)\n        $this.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n */\n\n$(document)\n  .on(EVENT_CLICK_DATA_API, SELECTOR_DATA_TOGGLE, function (event) {\n    event.preventDefault()\n    Tab._jQueryInterface.call($(this), 'show')\n  })\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Tab._jQueryInterface\n$.fn[NAME].Constructor = Tab\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Tab._jQueryInterface\n}\n\nexport default Tab\n"],"file":"tab.min.js"}
\ No newline at end of file
+{"version":3,"file":"tab.min.js","sources":["../../src/bootstrap/tab.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tab.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'tab'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.tab'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst DATA_API_KEY       = '.data-api'\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_HIDE           = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN         = `hidden${EVENT_KEY}`\nconst EVENT_SHOW           = `show${EVENT_KEY}`\nconst EVENT_SHOWN          = `shown${EVENT_KEY}`\nconst EVENT_CLICK_DATA_API = `click${EVENT_KEY}${DATA_API_KEY}`\n\nconst CLASS_NAME_DROPDOWN_MENU = 'dropdown-menu'\nconst CLASS_NAME_ACTIVE        = 'active'\nconst CLASS_NAME_DISABLED      = 'disabled'\nconst CLASS_NAME_FADE          = 'fade'\nconst CLASS_NAME_SHOW          = 'show'\n\nconst SELECTOR_DROPDOWN              = '.dropdown'\nconst SELECTOR_NAV_LIST_GROUP        = '.nav, .list-group'\nconst SELECTOR_ACTIVE                = '.active'\nconst SELECTOR_ACTIVE_UL             = '> li > .active'\nconst SELECTOR_DATA_TOGGLE           = '[data-toggle=\"tab\"], [data-toggle=\"pill\"], [data-toggle=\"list\"]'\nconst SELECTOR_DROPDOWN_TOGGLE       = '.dropdown-toggle'\nconst SELECTOR_DROPDOWN_ACTIVE_CHILD = '> .dropdown-menu .active'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Tab {\n  constructor(element) {\n    this._element = element\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  // Public\n\n  show() {\n    if (this._element.parentNode &&\n        this._element.parentNode.nodeType === Node.ELEMENT_NODE &&\n        $(this._element).hasClass(CLASS_NAME_ACTIVE) ||\n        $(this._element).hasClass(CLASS_NAME_DISABLED)) {\n      return\n    }\n\n    let target\n    let previous\n    const listElement = $(this._element).closest(SELECTOR_NAV_LIST_GROUP)[0]\n    const selector = Util.getSelectorFromElement(this._element)\n\n    if (listElement) {\n      const itemSelector = listElement.nodeName === 'UL' || listElement.nodeName === 'OL' ? SELECTOR_ACTIVE_UL : SELECTOR_ACTIVE\n      previous = $.makeArray($(listElement).find(itemSelector))\n      previous = previous[previous.length - 1]\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE, {\n      relatedTarget: this._element\n    })\n\n    const showEvent = $.Event(EVENT_SHOW, {\n      relatedTarget: previous\n    })\n\n    if (previous) {\n      $(previous).trigger(hideEvent)\n    }\n\n    $(this._element).trigger(showEvent)\n\n    if (showEvent.isDefaultPrevented() ||\n        hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (selector) {\n      target = document.querySelector(selector)\n    }\n\n    this._activate(\n      this._element,\n      listElement\n    )\n\n    const complete = () => {\n      const hiddenEvent = $.Event(EVENT_HIDDEN, {\n        relatedTarget: this._element\n      })\n\n      const shownEvent = $.Event(EVENT_SHOWN, {\n        relatedTarget: previous\n      })\n\n      $(previous).trigger(hiddenEvent)\n      $(this._element).trigger(shownEvent)\n    }\n\n    if (target) {\n      this._activate(target, target.parentNode, complete)\n    } else {\n      complete()\n    }\n  }\n\n  dispose() {\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n  }\n\n  // Private\n\n  _activate(element, container, callback) {\n    const activeElements = container && (container.nodeName === 'UL' || container.nodeName === 'OL')\n      ? $(container).find(SELECTOR_ACTIVE_UL)\n      : $(container).children(SELECTOR_ACTIVE)\n\n    const active = activeElements[0]\n    const isTransitioning = callback && (active && $(active).hasClass(CLASS_NAME_FADE))\n    const complete = () => this._transitionComplete(\n      element,\n      active,\n      callback\n    )\n\n    if (active && isTransitioning) {\n      const transitionDuration = Util.getTransitionDurationFromElement(active)\n\n      $(active)\n        .removeClass(CLASS_NAME_SHOW)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  _transitionComplete(element, active, callback) {\n    if (active) {\n      $(active).removeClass(CLASS_NAME_ACTIVE)\n\n      const dropdownChild = $(active.parentNode).find(\n        SELECTOR_DROPDOWN_ACTIVE_CHILD\n      )[0]\n\n      if (dropdownChild) {\n        $(dropdownChild).removeClass(CLASS_NAME_ACTIVE)\n      }\n\n      if (active.getAttribute('role') === 'tab') {\n        active.setAttribute('aria-selected', false)\n      }\n    }\n\n    $(element).addClass(CLASS_NAME_ACTIVE)\n    if (element.getAttribute('role') === 'tab') {\n      element.setAttribute('aria-selected', true)\n    }\n\n    Util.reflow(element)\n\n    if (element.classList.contains(CLASS_NAME_FADE)) {\n      element.classList.add(CLASS_NAME_SHOW)\n    }\n\n    if (element.parentNode && $(element.parentNode).hasClass(CLASS_NAME_DROPDOWN_MENU)) {\n      const dropdownElement = $(element).closest(SELECTOR_DROPDOWN)[0]\n\n      if (dropdownElement) {\n        const dropdownToggleList = [].slice.call(dropdownElement.querySelectorAll(SELECTOR_DROPDOWN_TOGGLE))\n\n        $(dropdownToggleList).addClass(CLASS_NAME_ACTIVE)\n      }\n\n      element.setAttribute('aria-expanded', true)\n    }\n\n    if (callback) {\n      callback()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $this = $(this)\n      let data = $this.data(DATA_KEY)\n\n      if (!data) {\n        data = new Tab(this)\n        $this.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * Data Api implementation\n * ------------------------------------------------------------------------\n 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diff --git a/theme/boost/amd/build/bootstrap/toast.min.js b/theme/boost/amd/build/bootstrap/toast.min.js
index e91e3f80193..d709ec5d50f 100644
--- a/theme/boost/amd/build/bootstrap/toast.min.js
+++ b/theme/boost/amd/build/bootstrap/toast.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/bootstrap/toast",["exports","jquery","./util"],function(a,b,c){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=d(b);c=d(c);function d(a){return a&&a.__esModule?a:{default:a}}function e(a){"@babel/helpers - typeof";return e="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},e(a)}function f(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function g(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?f(Object(c),!0).forEach(function(b){h(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):f(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function h(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function i(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function j(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function k(a,b,c){if(b)j(a.prototype,b);if(c)j(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var l="bs.toast",m=".".concat(l),n=b.default.fn.toast,o="click.dismiss".concat(m),p="hide".concat(m),q="hidden".concat(m),r="show".concat(m),s="shown".concat(m),t="hide",u="show",v="showing",w={animation:"boolean",autohide:"boolean",delay:"number"},x={animation:!0,autohide:!0,delay:500},y=function(){function a(b,c){i(this,a);this._element=b;this._config=this._getConfig(c);this._timeout=null;this._setListeners()}k(a,[{key:"show",value:function show(){var a=this,d=b.default.Event(r);(0,b.default)(this._element).trigger(d);if(d.isDefaultPrevented()){return}if(this._config.animation){this._element.classList.add("fade")}var e=function(){a._element.classList.remove(v);a._element.classList.add(u);(0,b.default)(a._element).trigger(s);if(a._config.autohide){a._timeout=setTimeout(function(){a.hide()},a._config.delay)}};this._element.classList.remove(t);c.default.reflow(this._element);this._element.classList.add(v);if(this._config.animation){var f=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,e).emulateTransitionEnd(f)}else{e()}}},{key:"hide",value:function hide(){if(!this._element.classList.contains(u)){return}var a=b.default.Event(p);(0,b.default)(this._element).trigger(a);if(a.isDefaultPrevented()){return}this._close()}},{key:"dispose",value:function dispose(){clearTimeout(this._timeout);this._timeout=null;if(this._element.classList.contains(u)){this._element.classList.remove(u)}(0,b.default)(this._element).off(o);b.default.removeData(this._element,l);this._element=null;this._config=null}},{key:"_getConfig",value:function _getConfig(a){a=g(g(g({},x),(0,b.default)(this._element).data()),"object"===e(a)&&a?a:{});c.default.typeCheckConfig("toast",a,this.constructor.DefaultType);return a}},{key:"_setListeners",value:function _setListeners(){var a=this;(0,b.default)(this._element).on(o,"[data-dismiss=\"toast\"]",function(){return a.hide()})}},{key:"_close",value:function _close(){var a=this,d=function(){a._element.classList.add(t);(0,b.default)(a._element).trigger(q)};this._element.classList.remove(u);if(this._config.animation){var e=c.default.getTransitionDurationFromElement(this._element);(0,b.default)(this._element).one(c.default.TRANSITION_END,d).emulateTransitionEnd(e)}else{d()}}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"DefaultType",get:function get(){return w}},{key:"Default",get:function get(){return x}},{key:"_jQueryInterface",value:function _jQueryInterface(c){return this.each(function(){var d=(0,b.default)(this),f=d.data(l),g="object"===e(c)&&c;if(!f){f=new a(this,g);d.data(l,f)}if("string"==typeof c){if("undefined"==typeof f[c]){throw new TypeError("No method named \"".concat(c,"\""))}f[c](this)}})}}]);return a}();b.default.fn.toast=y._jQueryInterface;b.default.fn.toast.Constructor=y;b.default.fn.toast.noConflict=function(){b.default.fn.toast=n;return y._jQueryInterface};a.default=y;return a.default});
-//# sourceMappingURL=toast.min.js.map
+define("theme_boost/bootstrap/toast",["exports","jquery","./util"],(function(_exports,_jquery,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_util=_interopRequireDefault(_util);var NAME="toast",EVENT_KEY=".".concat("bs.toast"),JQUERY_NO_CONFLICT=_jquery.default.fn.toast,EVENT_CLICK_DISMISS="click.dismiss".concat(EVENT_KEY),EVENT_HIDE="hide".concat(EVENT_KEY),EVENT_HIDDEN="hidden".concat(EVENT_KEY),EVENT_SHOW="show".concat(EVENT_KEY),EVENT_SHOWN="shown".concat(EVENT_KEY),DefaultType={animation:"boolean",autohide:"boolean",delay:"number"},Default={animation:!0,autohide:!0,delay:500},Toast=function(){function Toast(element,config){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Toast),this._element=element,this._config=this._getConfig(config),this._timeout=null,this._setListeners()}var Constructor,protoProps,staticProps;return Constructor=Toast,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"DefaultType",get:function(){return DefaultType}},{key:"Default",get:function(){return Default}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var $element=(0,_jquery.default)(this),data=$element.data("bs.toast"),_config="object"===_typeof(config)&&config;if(data||(data=new Toast(this,_config),$element.data("bs.toast",data)),"string"==typeof config){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config](this)}}))}}],(protoProps=[{key:"show",value:function(){var _this=this,showEvent=_jquery.default.Event(EVENT_SHOW);if((0,_jquery.default)(this._element).trigger(showEvent),!showEvent.isDefaultPrevented()){this._config.animation&&this._element.classList.add("fade");var complete=function(){_this._element.classList.remove("showing"),_this._element.classList.add("show"),(0,_jquery.default)(_this._element).trigger(EVENT_SHOWN),_this._config.autohide&&(_this._timeout=setTimeout((function(){_this.hide()}),_this._config.delay))};if(this._element.classList.remove("hide"),_util.default.reflow(this._element),this._element.classList.add("showing"),this._config.animation){var transitionDuration=_util.default.getTransitionDurationFromElement(this._element);(0,_jquery.default)(this._element).one(_util.default.TRANSITION_END,complete).emulateTransitionEnd(transitionDuration)}else complete()}}},{key:"hide",value:function(){if(this._element.classList.contains("show")){var hideEvent=_jquery.default.Event(EVENT_HIDE);(0,_jquery.default)(this._element).trigger(hideEvent),hideEvent.isDefaultPrevented()||this._close()}}},{key:"dispose",value:function(){clearTimeout(this._timeout),this._timeout=null,this._element.classList.contains("show")&&this._element.classList.remove("show"),(0,_jquery.default)(this._element).off(EVENT_CLICK_DISMISS),_jquery.default.removeData(this._element,"bs.toast"),this._element=null,this._config=null}},{key:"_getConfig",value:function(config){return config=_objectSpread(_objectSpread(_objectSpread({},Default),(0,_jquery.default)(this._element).data()),"object"===_typeof(config)&&config?config:{}),_util.default.typeCheckConfig(NAME,config,this.constructor.DefaultType),config}},{key:"_setListeners",value:function(){var _this2=this;(0,_jquery.default)(this._element).on(EVENT_CLICK_DISMISS,'[data-dismiss="toast"]',(function(){return _this2.hide()}))}},{key:"_close",value:function(){var _this3=this,complete=function(){_this3._element.classList.add("hide"),(0,_jquery.default)(_this3._element).trigger(EVENT_HIDDEN)};if(this._element.classList.remove("show"),this._config.animation){var transitionDuration=_util.default.getTransitionDurationFromElement(this._element);(0,_jquery.default)(this._element).one(_util.default.TRANSITION_END,complete).emulateTransitionEnd(transitionDuration)}else complete()}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),Toast}();_jquery.default.fn.toast=Toast._jQueryInterface,_jquery.default.fn.toast.Constructor=Toast,_jquery.default.fn.toast.noConflict=function(){return _jquery.default.fn.toast=JQUERY_NO_CONFLICT,Toast._jQueryInterface};var _default=Toast;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=toast.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/toast.min.js.map b/theme/boost/amd/build/bootstrap/toast.min.js.map
index 8824129e753..b00b368d735 100644
--- a/theme/boost/amd/build/bootstrap/toast.min.js.map
+++ b/theme/boost/amd/build/bootstrap/toast.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): toast.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'toast'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.toast'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`\nconst EVENT_HIDE          = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN        = `hidden${EVENT_KEY}`\nconst EVENT_SHOW          = `show${EVENT_KEY}`\nconst EVENT_SHOWN         = `shown${EVENT_KEY}`\n\nconst CLASS_NAME_FADE    = 'fade'\nconst CLASS_NAME_HIDE    = 'hide'\nconst CLASS_NAME_SHOW    = 'show'\nconst CLASS_NAME_SHOWING = 'showing'\n\nconst DefaultType = {\n  animation : 'boolean',\n  autohide  : 'boolean',\n  delay     : 'number'\n}\n\nconst Default = {\n  animation : true,\n  autohide  : true,\n  delay     : 500\n}\n\nconst SELECTOR_DATA_DISMISS = '[data-dismiss=\"toast\"]'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Toast {\n  constructor(element, config) {\n    this._element = element\n    this._config  = this._getConfig(config)\n    this._timeout = null\n    this._setListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  show() {\n    const showEvent = $.Event(EVENT_SHOW)\n\n    $(this._element).trigger(showEvent)\n    if (showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (this._config.animation) {\n      this._element.classList.add(CLASS_NAME_FADE)\n    }\n\n    const complete = () => {\n      this._element.classList.remove(CLASS_NAME_SHOWING)\n      this._element.classList.add(CLASS_NAME_SHOW)\n\n      $(this._element).trigger(EVENT_SHOWN)\n\n      if (this._config.autohide) {\n        this._timeout = setTimeout(() => {\n          this.hide()\n        }, this._config.delay)\n      }\n    }\n\n    this._element.classList.remove(CLASS_NAME_HIDE)\n    Util.reflow(this._element)\n    this._element.classList.add(CLASS_NAME_SHOWING)\n    if (this._config.animation) {\n      const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  hide() {\n    if (!this._element.classList.contains(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE)\n\n    $(this._element).trigger(hideEvent)\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._close()\n  }\n\n  dispose() {\n    clearTimeout(this._timeout)\n    this._timeout = null\n\n    if (this._element.classList.contains(CLASS_NAME_SHOW)) {\n      this._element.classList.remove(CLASS_NAME_SHOW)\n    }\n\n    $(this._element).off(EVENT_CLICK_DISMISS)\n\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n    this._config  = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...$(this._element).data(),\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    return config\n  }\n\n  _setListeners() {\n    $(this._element).on(EVENT_CLICK_DISMISS, SELECTOR_DATA_DISMISS, () => this.hide())\n  }\n\n  _close() {\n    const complete = () => {\n      this._element.classList.add(CLASS_NAME_HIDE)\n      $(this._element).trigger(EVENT_HIDDEN)\n    }\n\n    this._element.classList.remove(CLASS_NAME_SHOW)\n    if (this._config.animation) {\n      const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      const $element = $(this)\n      let data       = $element.data(DATA_KEY)\n      const _config  = typeof config === 'object' && config\n\n      if (!data) {\n        data = new Toast(this, _config)\n        $element.data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n\n        data[config](this)\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME]             = Toast._jQueryInterface\n$.fn[NAME].Constructor = Toast\n$.fn[NAME].noConflict  = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Toast._jQueryInterface\n}\n\nexport default Toast\n"],"file":"toast.min.js"}
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+{"version":3,"file":"toast.min.js","sources":["../../src/bootstrap/toast.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): toast.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME               = 'toast'\nconst VERSION            = '4.5.0'\nconst DATA_KEY           = 'bs.toast'\nconst EVENT_KEY          = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT = $.fn[NAME]\n\nconst EVENT_CLICK_DISMISS = `click.dismiss${EVENT_KEY}`\nconst EVENT_HIDE          = `hide${EVENT_KEY}`\nconst EVENT_HIDDEN        = `hidden${EVENT_KEY}`\nconst EVENT_SHOW          = `show${EVENT_KEY}`\nconst EVENT_SHOWN         = `shown${EVENT_KEY}`\n\nconst CLASS_NAME_FADE    = 'fade'\nconst CLASS_NAME_HIDE    = 'hide'\nconst CLASS_NAME_SHOW    = 'show'\nconst CLASS_NAME_SHOWING = 'showing'\n\nconst DefaultType = {\n  animation : 'boolean',\n  autohide  : 'boolean',\n  delay     : 'number'\n}\n\nconst Default = {\n  animation : true,\n  autohide  : true,\n  delay     : 500\n}\n\nconst SELECTOR_DATA_DISMISS = '[data-dismiss=\"toast\"]'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Toast {\n  constructor(element, config) {\n    this._element = element\n    this._config  = this._getConfig(config)\n    this._timeout = null\n    this._setListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  // Public\n\n  show() {\n    const showEvent = $.Event(EVENT_SHOW)\n\n    $(this._element).trigger(showEvent)\n    if (showEvent.isDefaultPrevented()) {\n      return\n    }\n\n    if (this._config.animation) {\n      this._element.classList.add(CLASS_NAME_FADE)\n    }\n\n    const complete = () => {\n      this._element.classList.remove(CLASS_NAME_SHOWING)\n      this._element.classList.add(CLASS_NAME_SHOW)\n\n      $(this._element).trigger(EVENT_SHOWN)\n\n      if (this._config.autohide) {\n        this._timeout = setTimeout(() => {\n          this.hide()\n        }, this._config.delay)\n      }\n    }\n\n    this._element.classList.remove(CLASS_NAME_HIDE)\n    Util.reflow(this._element)\n    this._element.classList.add(CLASS_NAME_SHOWING)\n    if (this._config.animation) {\n      const transitionDuration = Util.getTransitionDurationFromElement(this._element)\n\n      $(this._element)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n  }\n\n  hide() {\n    if (!this._element.classList.contains(CLASS_NAME_SHOW)) {\n      return\n    }\n\n    const hideEvent = $.Event(EVENT_HIDE)\n\n    $(this._element).trigger(hideEvent)\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    this._close()\n  }\n\n  dispose() {\n    clearTimeout(this._timeout)\n    this._timeout = null\n\n    if (this._element.classList.contains(CLASS_NAME_SHOW)) {\n      this._element.classList.remove(CLASS_NAME_SHOW)\n    }\n\n    $(this._element).off(EVENT_CLICK_DISMISS)\n\n    $.removeData(this._element, DATA_KEY)\n    this._element = null\n    this._config  = null\n  }\n\n  // Private\n\n  _getConfig(config) {\n    config = {\n      ...Default,\n      ...$(this._element).data(),\n      ...typeof config === 'object' && config ? 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diff --git a/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js b/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js
index 2be416e96fc..e9237e5a509 100644
--- a/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js
+++ b/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=sanitizer.min.js.map
+define("theme_boost/bootstrap/tools/sanitizer",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.DefaultWhitelist=void 0,_exports.sanitizeHtml=function(unsafeHtml,whiteList,sanitizeFn){if(0===unsafeHtml.length)return unsafeHtml;if(sanitizeFn&&"function"==typeof sanitizeFn)return sanitizeFn(unsafeHtml);for(var createdDocument=(new window.DOMParser).parseFromString(unsafeHtml,"text/html"),whitelistKeys=Object.keys(whiteList),elements=[].slice.call(createdDocument.body.querySelectorAll("*")),_loop=function(i,len){var el=elements[i],elName=el.nodeName.toLowerCase();if(-1===whitelistKeys.indexOf(el.nodeName.toLowerCase()))return el.parentNode.removeChild(el),"continue";var attributeList=[].slice.call(el.attributes),whitelistedAttributes=[].concat(whiteList["*"]||[],whiteList[elName]||[]);attributeList.forEach((function(attr){(function(attr,allowedAttributeList){var attrName=attr.nodeName.toLowerCase();if(-1!==allowedAttributeList.indexOf(attrName))return-1===uriAttrs.indexOf(attrName)||Boolean(attr.nodeValue.match(SAFE_URL_PATTERN)||attr.nodeValue.match(DATA_URL_PATTERN));for(var regExp=allowedAttributeList.filter((function(attrRegex){return attrRegex instanceof RegExp})),i=0,len=regExp.length;i<len;i++)if(attrName.match(regExp[i]))return!0;return!1})(attr,whitelistedAttributes)||el.removeAttribute(attr.nodeName)}))},i=0,len=elements.length;i<len;i++)_loop(i);return createdDocument.body.innerHTML};var uriAttrs=["background","cite","href","itemtype","longdesc","poster","src","xlink:href"],DefaultWhitelist={"*":["class","dir","id","lang","role",/^aria-[\w-]*$/i],a:["target","href","title","rel"],area:[],b:[],br:[],col:[],code:[],div:[],em:[],hr:[],h1:[],h2:[],h3:[],h4:[],h5:[],h6:[],i:[],img:["src","srcset","alt","title","width","height"],li:[],ol:[],p:[],pre:[],s:[],small:[],span:[],sub:[],sup:[],strong:[],u:[],ul:[]};_exports.DefaultWhitelist=DefaultWhitelist;var SAFE_URL_PATTERN=/^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi,DATA_URL_PATTERN=/^data:(?:image\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\/(?:mpeg|mp4|ogg|webm)|audio\/(?:mp3|oga|ogg|opus));base64,[\d+/a-z]+=*$/i}));
+
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diff --git a/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js.map b/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js.map
index 37d0d5d1532..575d529d104 100644
--- a/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js.map
+++ b/theme/boost/amd/build/bootstrap/tools/sanitizer.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tools/sanitizer.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst uriAttrs = [\n  'background',\n  'cite',\n  'href',\n  'itemtype',\n  'longdesc',\n  'poster',\n  'src',\n  'xlink:href'\n]\n\nconst ARIA_ATTRIBUTE_PATTERN = /^aria-[\\w-]*$/i\n\nexport const DefaultWhitelist = {\n  // Global attributes allowed on any supplied element below.\n  '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],\n  a: ['target', 'href', 'title', 'rel'],\n  area: [],\n  b: [],\n  br: [],\n  col: [],\n  code: [],\n  div: [],\n  em: [],\n  hr: [],\n  h1: [],\n  h2: [],\n  h3: [],\n  h4: [],\n  h5: [],\n  h6: [],\n  i: [],\n  img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],\n  li: [],\n  ol: [],\n  p: [],\n  pre: [],\n  s: [],\n  small: [],\n  span: [],\n  sub: [],\n  sup: [],\n  strong: [],\n  u: [],\n  ul: []\n}\n\n/**\n * A pattern that recognizes a commonly useful subset of URLs that are safe.\n *\n * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts\n */\nconst SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi\n\n/**\n * A pattern that matches safe data URLs. Only matches image, video and audio types.\n *\n * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts\n */\nconst DATA_URL_PATTERN = /^data:(?:image\\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\\/(?:mpeg|mp4|ogg|webm)|audio\\/(?:mp3|oga|ogg|opus));base64,[\\d+/a-z]+=*$/i\n\nfunction allowedAttribute(attr, allowedAttributeList) {\n  const attrName = attr.nodeName.toLowerCase()\n\n  if (allowedAttributeList.indexOf(attrName) !== -1) {\n    if (uriAttrs.indexOf(attrName) !== -1) {\n      return Boolean(attr.nodeValue.match(SAFE_URL_PATTERN) || attr.nodeValue.match(DATA_URL_PATTERN))\n    }\n\n    return true\n  }\n\n  const regExp = allowedAttributeList.filter((attrRegex) => attrRegex instanceof RegExp)\n\n  // Check if a regular expression validates the attribute.\n  for (let i = 0, len = regExp.length; i < len; i++) {\n    if (attrName.match(regExp[i])) {\n      return true\n    }\n  }\n\n  return false\n}\n\nexport function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {\n  if (unsafeHtml.length === 0) {\n    return unsafeHtml\n  }\n\n  if (sanitizeFn && typeof sanitizeFn === 'function') {\n    return sanitizeFn(unsafeHtml)\n  }\n\n  const domParser = new window.DOMParser()\n  const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')\n  const whitelistKeys = Object.keys(whiteList)\n  const elements = [].slice.call(createdDocument.body.querySelectorAll('*'))\n\n  for (let i = 0, len = elements.length; i < len; i++) {\n    const el = elements[i]\n    const elName = el.nodeName.toLowerCase()\n\n    if (whitelistKeys.indexOf(el.nodeName.toLowerCase()) === -1) {\n      el.parentNode.removeChild(el)\n\n      continue\n    }\n\n    const attributeList = [].slice.call(el.attributes)\n    const whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || [])\n\n    attributeList.forEach((attr) => {\n      if (!allowedAttribute(attr, whitelistedAttributes)) {\n        el.removeAttribute(attr.nodeName)\n      }\n    })\n  }\n\n  return createdDocument.body.innerHTML\n}\n"],"file":"sanitizer.min.js"}
\ No newline at end of file
+{"version":3,"file":"sanitizer.min.js","sources":["../../../src/bootstrap/tools/sanitizer.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tools/sanitizer.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nconst uriAttrs = [\n  'background',\n  'cite',\n  'href',\n  'itemtype',\n  'longdesc',\n  'poster',\n  'src',\n  'xlink:href'\n]\n\nconst ARIA_ATTRIBUTE_PATTERN = /^aria-[\\w-]*$/i\n\nexport const DefaultWhitelist = {\n  // Global attributes allowed on any supplied element below.\n  '*': ['class', 'dir', 'id', 'lang', 'role', ARIA_ATTRIBUTE_PATTERN],\n  a: ['target', 'href', 'title', 'rel'],\n  area: [],\n  b: [],\n  br: [],\n  col: [],\n  code: [],\n  div: [],\n  em: [],\n  hr: [],\n  h1: [],\n  h2: [],\n  h3: [],\n  h4: [],\n  h5: [],\n  h6: [],\n  i: [],\n  img: ['src', 'srcset', 'alt', 'title', 'width', 'height'],\n  li: [],\n  ol: [],\n  p: [],\n  pre: [],\n  s: [],\n  small: [],\n  span: [],\n  sub: [],\n  sup: [],\n  strong: [],\n  u: [],\n  ul: []\n}\n\n/**\n * A pattern that recognizes a commonly useful subset of URLs that are safe.\n *\n * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts\n */\nconst SAFE_URL_PATTERN = /^(?:(?:https?|mailto|ftp|tel|file):|[^#&/:?]*(?:[#/?]|$))/gi\n\n/**\n * A pattern that matches safe data URLs. Only matches image, video and audio types.\n *\n * Shoutout to Angular 7 https://github.com/angular/angular/blob/7.2.4/packages/core/src/sanitization/url_sanitizer.ts\n */\nconst DATA_URL_PATTERN = /^data:(?:image\\/(?:bmp|gif|jpeg|jpg|png|tiff|webp)|video\\/(?:mpeg|mp4|ogg|webm)|audio\\/(?:mp3|oga|ogg|opus));base64,[\\d+/a-z]+=*$/i\n\nfunction allowedAttribute(attr, allowedAttributeList) {\n  const attrName = attr.nodeName.toLowerCase()\n\n  if (allowedAttributeList.indexOf(attrName) !== -1) {\n    if (uriAttrs.indexOf(attrName) !== -1) {\n      return Boolean(attr.nodeValue.match(SAFE_URL_PATTERN) || attr.nodeValue.match(DATA_URL_PATTERN))\n    }\n\n    return true\n  }\n\n  const regExp = allowedAttributeList.filter((attrRegex) => attrRegex instanceof RegExp)\n\n  // Check if a regular expression validates the attribute.\n  for (let i = 0, len = regExp.length; i < len; i++) {\n    if (attrName.match(regExp[i])) {\n      return true\n    }\n  }\n\n  return false\n}\n\nexport function sanitizeHtml(unsafeHtml, whiteList, sanitizeFn) {\n  if (unsafeHtml.length === 0) {\n    return unsafeHtml\n  }\n\n  if (sanitizeFn && typeof sanitizeFn === 'function') {\n    return sanitizeFn(unsafeHtml)\n  }\n\n  const domParser = new window.DOMParser()\n  const createdDocument = domParser.parseFromString(unsafeHtml, 'text/html')\n  const whitelistKeys = Object.keys(whiteList)\n  const elements = [].slice.call(createdDocument.body.querySelectorAll('*'))\n\n  for (let i = 0, len = elements.length; i < len; i++) {\n    const el = elements[i]\n    const elName = el.nodeName.toLowerCase()\n\n    if (whitelistKeys.indexOf(el.nodeName.toLowerCase()) === -1) {\n      el.parentNode.removeChild(el)\n\n      continue\n    }\n\n    const attributeList = [].slice.call(el.attributes)\n    const whitelistedAttributes = [].concat(whiteList['*'] || [], whiteList[elName] || [])\n\n    attributeList.forEach((attr) => {\n      if (!allowedAttribute(attr, whitelistedAttributes)) {\n        el.removeAttribute(attr.nodeName)\n      }\n    })\n  }\n\n  return createdDocument.body.innerHTML\n}\n"],"names":["unsafeHtml","whiteList","sanitizeFn","length","createdDocument","window","DOMParser","parseFromString","whitelistKeys","Object","keys","elements","slice","call","body","querySelectorAll","i","len","el","elName","nodeName","toLowerCase","indexOf","parentNode","removeChild","attributeList","attributes","whitelistedAttributes","concat","forEach","attr","allowedAttributeList","attrName","uriAttrs","Boolean","nodeValue","match","SAFE_URL_PATTERN","DATA_URL_PATTERN","regExp","filter","attrRegex","RegExp","allowedAttribute","removeAttribute","innerHTML","DefaultWhitelist","a","area","b","br","col","code","div","em","hr","h1","h2","h3","h4","h5","h6","img","li","ol","p","pre","s","small","span","sub","sup","strong","u","ul"],"mappings":"uMA2F6BA,WAAYC,UAAWC,eACxB,IAAtBF,WAAWG,cACNH,cAGLE,YAAoC,mBAAfA,kBAChBA,WAAWF,oBAIdI,iBADY,IAAIC,OAAOC,WACKC,gBAAgBP,WAAY,aACxDQ,cAAgBC,OAAOC,KAAKT,WAC5BU,SAAW,GAAGC,MAAMC,KAAKT,gBAAgBU,KAAKC,iBAAiB,qBAE5DC,EAAOC,SACRC,GAAKP,SAASK,GACdG,OAASD,GAAGE,SAASC,kBAE+B,IAAtDb,cAAcc,QAAQJ,GAAGE,SAASC,sBACpCH,GAAGK,WAAWC,YAAYN,mBAKtBO,cAAgB,GAAGb,MAAMC,KAAKK,GAAGQ,YACjCC,sBAAwB,GAAGC,OAAO3B,UAAU,MAAQ,GAAIA,UAAUkB,SAAW,IAEnFM,cAAcI,SAAQ,SAACC,gBAlDDA,KAAMC,0BACxBC,SAAWF,KAAKV,SAASC,kBAEiB,IAA5CU,qBAAqBT,QAAQU,iBACK,IAAhCC,SAASX,QAAQU,WACZE,QAAQJ,KAAKK,UAAUC,MAAMC,mBAAqBP,KAAKK,UAAUC,MAAME,2BAM5EC,OAASR,qBAAqBS,QAAO,SAACC,kBAAcA,qBAAqBC,UAGtE1B,EAAI,EAAGC,IAAMsB,OAAOpC,OAAQa,EAAIC,IAAKD,OACxCgB,SAASI,MAAMG,OAAOvB,WACjB,SAIJ,GA+BE2B,CAAiBb,KAAMH,wBAC1BT,GAAG0B,gBAAgBd,KAAKV,cAfrBJ,EAAI,EAAGC,IAAMN,SAASR,OAAQa,EAAIC,IAAKD,UAAvCA,UAoBFZ,gBAAgBU,KAAK+B,eAtHxBZ,SAAW,CACf,aACA,OACA,OACA,WACA,WACA,SACA,MACA,cAKWa,iBAAmB,KAEzB,CAAC,QAAS,MAAO,KAAM,OAAQ,OAJP,kBAK7BC,EAAG,CAAC,SAAU,OAAQ,QAAS,OAC/BC,KAAM,GACNC,EAAG,GACHC,GAAI,GACJC,IAAK,GACLC,KAAM,GACNC,IAAK,GACLC,GAAI,GACJC,GAAI,GACJC,GAAI,GACJC,GAAI,GACJC,GAAI,GACJC,GAAI,GACJC,GAAI,GACJC,GAAI,GACJ7C,EAAG,GACH8C,IAAK,CAAC,MAAO,SAAU,MAAO,QAAS,QAAS,UAChDC,GAAI,GACJC,GAAI,GACJC,EAAG,GACHC,IAAK,GACLC,EAAG,GACHC,MAAO,GACPC,KAAM,GACNC,IAAK,GACLC,IAAK,GACLC,OAAQ,GACRC,EAAG,GACHC,GAAI,mDAQArC,iBAAmB,8DAOnBC,iBAAmB"}
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diff --git a/theme/boost/amd/build/bootstrap/tooltip.min.js b/theme/boost/amd/build/bootstrap/tooltip.min.js
index 48e96d9c15f..57a0d8a8955 100644
--- a/theme/boost/amd/build/bootstrap/tooltip.min.js
+++ b/theme/boost/amd/build/bootstrap/tooltip.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/bootstrap/tooltip",["exports","./tools/sanitizer","jquery","core/popper","./util"],function(a,b,c,d,e){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;c=f(c);d=f(d);e=f(e);function f(a){return a&&a.__esModule?a:{default:a}}function g(a,b){var c=Object.keys(a);if(Object.getOwnPropertySymbols){var d=Object.getOwnPropertySymbols(a);b&&(d=d.filter(function(b){return Object.getOwnPropertyDescriptor(a,b).enumerable})),c.push.apply(c,d)}return c}function h(a){for(var b=1,c;b<arguments.length;b++){c=null!=arguments[b]?arguments[b]:{};b%2?g(Object(c),!0).forEach(function(b){i(a,b,c[b])}):Object.getOwnPropertyDescriptors?Object.defineProperties(a,Object.getOwnPropertyDescriptors(c)):g(Object(c)).forEach(function(b){Object.defineProperty(a,b,Object.getOwnPropertyDescriptor(c,b))})}return a}function i(a,b,c){if(b in a){Object.defineProperty(a,b,{value:c,enumerable:!0,configurable:!0,writable:!0})}else{a[b]=c}return a}function 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RegExp("(^|\\s)".concat(q,"\\S+"),"g"),s=["sanitize","whiteList","sanitizeFn"],t={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"(number|string|function)",container:"(string|element|boolean)",fallbackPlacement:"(string|array)",boundary:"(string|element)",sanitize:"boolean",sanitizeFn:"(null|function)",whiteList:"object",popperConfig:"(null|object)"},u={AUTO:"auto",TOP:"top",RIGHT:"right",BOTTOM:"bottom",LEFT:"left"},v={animation:!0,template:"<div class=\"tooltip\" role=\"tooltip\"><div class=\"arrow\"></div><div class=\"tooltip-inner\"></div></div>",trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:0,container:!1,fallbackPlacement:"flip",boundary:"scrollParent",sanitize:!0,sanitizeFn:null,whiteList:b.DefaultWhitelist,popperConfig:null},w="show",x="out",y={HIDE:"hide".concat(o),HIDDEN:"hidden".concat(o),SHOW:"show".concat(o),SHOWN:"shown".concat(o),INSERTED:"inserted".concat(o),CLICK:"click".concat(o),FOCUSIN:"focusin".concat(o),FOCUSOUT:"focusout".concat(o),MOUSEENTER:"mouseenter".concat(o),MOUSELEAVE:"mouseleave".concat(o)},z="fade",A="show",B="hover",C="focus",D=function(){function a(b,c){k(this,a);if("undefined"==typeof d.default){throw new TypeError("Bootstrap's tooltips require Popper.js (https://popper.js.org/)")}this._isEnabled=!0;this._timeout=0;this._hoverState="";this._activeTrigger={};this._popper=null;this.element=b;this.config=this._getConfig(c);this.tip=null;this._setListeners()}m(a,[{key:"enable",value:function enable(){this._isEnabled=!0}},{key:"disable",value:function disable(){this._isEnabled=!1}},{key:"toggleEnabled",value:function toggleEnabled(){this._isEnabled=!this._isEnabled}},{key:"toggle",value:function toggle(a){if(!this._isEnabled){return}if(a){var b=this.constructor.DATA_KEY,d=(0,c.default)(a.currentTarget).data(b);if(!d){d=new this.constructor(a.currentTarget,this._getDelegateConfig());(0,c.default)(a.currentTarget).data(b,d)}d._activeTrigger.click=!d._activeTrigger.click;if(d._isWithActiveTrigger()){d._enter(null,d)}else{d._leave(null,d)}}else{if((0,c.default)(this.getTipElement()).hasClass(A)){this._leave(null,this);return}this._enter(null,this)}}},{key:"dispose",value:function dispose(){clearTimeout(this._timeout);c.default.removeData(this.element,this.constructor.DATA_KEY);(0,c.default)(this.element).off(this.constructor.EVENT_KEY);(0,c.default)(this.element).closest(".modal").off("hide.bs.modal",this._hideModalHandler);if(this.tip){(0,c.default)(this.tip).remove()}this._isEnabled=null;this._timeout=null;this._hoverState=null;this._activeTrigger=null;if(this._popper){this._popper.destroy()}this._popper=null;this.element=null;this.config=null;this.tip=null}},{key:"show",value:function show(){var a=this;if("none"===(0,c.default)(this.element).css("display")){throw new Error("Please use show on visible elements")}var b=c.default.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){(0,c.default)(this.element).trigger(b);var f=e.default.findShadowRoot(this.element),g=c.default.contains(null!==f?f:this.element.ownerDocument.documentElement,this.element);if(b.isDefaultPrevented()||!g){return}var h=this.getTipElement(),i=e.default.getUID(this.constructor.NAME);h.setAttribute("id",i);this.element.setAttribute("aria-describedby",i);this.setContent();if(this.config.animation){(0,c.default)(h).addClass(z)}var j="function"==typeof this.config.placement?this.config.placement.call(this,h,this.element):this.config.placement,k=this._getAttachment(j);this.addAttachmentClass(k);var l=this._getContainer();(0,c.default)(h).data(this.constructor.DATA_KEY,this);if(!c.default.contains(this.element.ownerDocument.documentElement,this.tip)){(0,c.default)(h).appendTo(l)}(0,c.default)(this.element).trigger(this.constructor.Event.INSERTED);this._popper=new d.default(this.element,h,this._getPopperConfig(k));(0,c.default)(h).addClass(A);if("ontouchstart"in document.documentElement){(0,c.default)(document.body).children().on("mouseover",null,c.default.noop)}var m=function(){if(a.config.animation){a._fixTransition()}var b=a._hoverState;a._hoverState=null;(0,c.default)(a.element).trigger(a.constructor.Event.SHOWN);if(b===x){a._leave(null,a)}};if((0,c.default)(this.tip).hasClass(z)){var n=e.default.getTransitionDurationFromElement(this.tip);(0,c.default)(this.tip).one(e.default.TRANSITION_END,m).emulateTransitionEnd(n)}else{m()}}}},{key:"hide",value:function hide(a){var b=this,d=this.getTipElement(),f=c.default.Event(this.constructor.Event.HIDE),g=function(){if(b._hoverState!==w&&d.parentNode){d.parentNode.removeChild(d)}b._cleanTipClass();b.element.removeAttribute("aria-describedby");(0,c.default)(b.element).trigger(b.constructor.Event.HIDDEN);if(null!==b._popper){b._popper.destroy()}if(a){a()}};(0,c.default)(this.element).trigger(f);if(f.isDefaultPrevented()){return}(0,c.default)(d).removeClass(A);if("ontouchstart"in document.documentElement){(0,c.default)(document.body).children().off("mouseover",null,c.default.noop)}this._activeTrigger["click"]=!1;this._activeTrigger[C]=!1;this._activeTrigger[B]=!1;if((0,c.default)(this.tip).hasClass(z)){var h=e.default.getTransitionDurationFromElement(d);(0,c.default)(d).one(e.default.TRANSITION_END,g).emulateTransitionEnd(h)}else{g()}this._hoverState=""}},{key:"update",value:function update(){if(null!==this._popper){this._popper.scheduleUpdate()}}},{key:"isWithContent",value:function isWithContent(){return!!this.getTitle()}},{key:"addAttachmentClass",value:function addAttachmentClass(a){(0,c.default)(this.getTipElement()).addClass("".concat(q,"-").concat(a))}},{key:"getTipElement",value:function getTipElement(){this.tip=this.tip||(0,c.default)(this.config.template)[0];return this.tip}},{key:"setContent",value:function setContent(){var a=this.getTipElement();this.setElementContent((0,c.default)(a.querySelectorAll(".tooltip-inner")),this.getTitle());(0,c.default)(a).removeClass("".concat(z," ").concat(A))}},{key:"setElementContent",value:function setElementContent(a,d){if("object"===j(d)&&(d.nodeType||d.jquery)){if(this.config.html){if(!(0,c.default)(d).parent().is(a)){a.empty().append(d)}}else{a.text((0,c.default)(d).text())}return}if(this.config.html){if(this.config.sanitize){d=(0,b.sanitizeHtml)(d,this.config.whiteList,this.config.sanitizeFn)}a.html(d)}else{a.text(d)}}},{key:"getTitle",value:function getTitle(){var a=this.element.getAttribute("data-original-title");if(!a){a="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title}return a}},{key:"_getPopperConfig",value:function _getPopperConfig(a){var b=this,c={placement:a,modifiers:{offset:this._getOffset(),flip:{behavior:this.config.fallbackPlacement},arrow:{element:".arrow"},preventOverflow:{boundariesElement:this.config.boundary}},onCreate:function onCreate(a){if(a.originalPlacement!==a.placement){b._handlePopperPlacementChange(a)}},onUpdate:function onUpdate(a){return b._handlePopperPlacementChange(a)}};return h(h({},c),this.config.popperConfig)}},{key:"_getOffset",value:function _getOffset(){var a=this,b={};if("function"==typeof this.config.offset){b.fn=function(b){b.offsets=h(h({},b.offsets),a.config.offset(b.offsets,a.element)||{});return b}}else{b.offset=this.config.offset}return b}},{key:"_getContainer",value:function _getContainer(){if(!1===this.config.container){return document.body}if(e.default.isElement(this.config.container)){return(0,c.default)(this.config.container)}return(0,c.default)(document).find(this.config.container)}},{key:"_getAttachment",value:function _getAttachment(a){return u[a.toUpperCase()]}},{key:"_setListeners",value:function _setListeners(){var a=this,b=this.config.trigger.split(" ");b.forEach(function(b){if("click"===b){(0,c.default)(a.element).on(a.constructor.Event.CLICK,a.config.selector,function(b){return a.toggle(b)})}else if(b!=="manual"){var d=b===B?a.constructor.Event.MOUSEENTER:a.constructor.Event.FOCUSIN,e=b===B?a.constructor.Event.MOUSELEAVE:a.constructor.Event.FOCUSOUT;(0,c.default)(a.element).on(d,a.config.selector,function(b){return a._enter(b)}).on(e,a.config.selector,function(b){return a._leave(b)})}});this._hideModalHandler=function(){if(a.element){a.hide()}};(0,c.default)(this.element).closest(".modal").on("hide.bs.modal",this._hideModalHandler);if(this.config.selector){this.config=h(h({},this.config),{},{trigger:"manual",selector:""})}else{this._fixTitle()}}},{key:"_fixTitle",value:function _fixTitle(){var a=j(this.element.getAttribute("data-original-title"));if(this.element.getAttribute("title")||"string"!==a){this.element.setAttribute("data-original-title",this.element.getAttribute("title")||"");this.element.setAttribute("title","")}}},{key:"_enter",value:function _enter(a,b){var d=this.constructor.DATA_KEY;b=b||(0,c.default)(a.currentTarget).data(d);if(!b){b=new this.constructor(a.currentTarget,this._getDelegateConfig());(0,c.default)(a.currentTarget).data(d,b)}if(a){b._activeTrigger["focusin"===a.type?C:B]=!0}if((0,c.default)(b.getTipElement()).hasClass(A)||b._hoverState===w){b._hoverState=w;return}clearTimeout(b._timeout);b._hoverState=w;if(!b.config.delay||!b.config.delay.show){b.show();return}b._timeout=setTimeout(function(){if(b._hoverState===w){b.show()}},b.config.delay.show)}},{key:"_leave",value:function _leave(a,b){var d=this.constructor.DATA_KEY;b=b||(0,c.default)(a.currentTarget).data(d);if(!b){b=new this.constructor(a.currentTarget,this._getDelegateConfig());(0,c.default)(a.currentTarget).data(d,b)}if(a){b._activeTrigger["focusout"===a.type?C:B]=!1}if(b._isWithActiveTrigger()){return}clearTimeout(b._timeout);b._hoverState=x;if(!b.config.delay||!b.config.delay.hide){b.hide();return}b._timeout=setTimeout(function(){if(b._hoverState===x){b.hide()}},b.config.delay.hide)}},{key:"_isWithActiveTrigger",value:function _isWithActiveTrigger(){for(var a in this._activeTrigger){if(this._activeTrigger[a]){return!0}}return!1}},{key:"_getConfig",value:function _getConfig(a){var d=(0,c.default)(this.element).data();Object.keys(d).forEach(function(a){if(-1!==s.indexOf(a)){delete d[a]}});a=h(h(h({},this.constructor.Default),d),"object"===j(a)&&a?a:{});if("number"==typeof a.delay){a.delay={show:a.delay,hide:a.delay}}if("number"==typeof a.title){a.title=a.title.toString()}if("number"==typeof a.content){a.content=a.content.toString()}e.default.typeCheckConfig("tooltip",a,this.constructor.DefaultType);if(a.sanitize){a.template=(0,b.sanitizeHtml)(a.template,a.whiteList,a.sanitizeFn)}return a}},{key:"_getDelegateConfig",value:function _getDelegateConfig(){var a={};if(this.config){for(var b in this.config){if(this.constructor.Default[b]!==this.config[b]){a[b]=this.config[b]}}}return a}},{key:"_cleanTipClass",value:function _cleanTipClass(){var a=(0,c.default)(this.getTipElement()),b=a.attr("class").match(r);if(null!==b&&b.length){a.removeClass(b.join(""))}}},{key:"_handlePopperPlacementChange",value:function _handlePopperPlacementChange(a){this.tip=a.instance.popper;this._cleanTipClass();this.addAttachmentClass(this._getAttachment(a.placement))}},{key:"_fixTransition",value:function _fixTransition(){var a=this.getTipElement(),b=this.config.animation;if(null!==a.getAttribute("x-placement")){return}(0,c.default)(a).removeClass(z);this.config.animation=!1;this.hide();this.show();this.config.animation=b}}],[{key:"VERSION",get:function get(){return"4.5.0"}},{key:"Default",get:function get(){return v}},{key:"NAME",get:function get(){return"tooltip"}},{key:"DATA_KEY",get:function get(){return n}},{key:"Event",get:function get(){return y}},{key:"EVENT_KEY",get:function get(){return o}},{key:"DefaultType",get:function get(){return t}},{key:"_jQueryInterface",value:function _jQueryInterface(b){return this.each(function(){var d=(0,c.default)(this).data(n),e="object"===j(b)&&b;if(!d&&/dispose|hide/.test(b)){return}if(!d){d=new a(this,e);(0,c.default)(this).data(n,d)}if("string"==typeof b){if("undefined"==typeof d[b]){throw new TypeError("No method named \"".concat(b,"\""))}d[b]()}})}}]);return a}();c.default.fn.tooltip=D._jQueryInterface;c.default.fn.tooltip.Constructor=D;c.default.fn.tooltip.noConflict=function(){c.default.fn.tooltip=p;return D._jQueryInterface};a.default=D;return a.default});
-//# sourceMappingURL=tooltip.min.js.map
+define("theme_boost/bootstrap/tooltip",["exports","./tools/sanitizer","jquery","core/popper","./util"],(function(_exports,_sanitizer,_jquery,_popper,_util){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function ownKeys(object,enumerableOnly){var keys=Object.keys(object);if(Object.getOwnPropertySymbols){var symbols=Object.getOwnPropertySymbols(object);enumerableOnly&&(symbols=symbols.filter((function(sym){return Object.getOwnPropertyDescriptor(object,sym).enumerable}))),keys.push.apply(keys,symbols)}return keys}function _objectSpread(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}function _defineProperty(obj,key,value){return key in obj?Object.defineProperty(obj,key,{value:value,enumerable:!0,configurable:!0,writable:!0}):obj[key]=value,obj}function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=_interopRequireDefault(_jquery),_popper=_interopRequireDefault(_popper),_util=_interopRequireDefault(_util);var NAME="tooltip",EVENT_KEY=".".concat("bs.tooltip"),JQUERY_NO_CONFLICT=_jquery.default.fn[NAME],BSCLS_PREFIX_REGEX=new RegExp("(^|\\s)".concat("bs-tooltip","\\S+"),"g"),DISALLOWED_ATTRIBUTES=["sanitize","whiteList","sanitizeFn"],DefaultType={animation:"boolean",template:"string",title:"(string|element|function)",trigger:"string",delay:"(number|object)",html:"boolean",selector:"(string|boolean)",placement:"(string|function)",offset:"(number|string|function)",container:"(string|element|boolean)",fallbackPlacement:"(string|array)",boundary:"(string|element)",sanitize:"boolean",sanitizeFn:"(null|function)",whiteList:"object",popperConfig:"(null|object)"},AttachmentMap={AUTO:"auto",TOP:"top",RIGHT:"right",BOTTOM:"bottom",LEFT:"left"},Default={animation:!0,template:'<div class="tooltip" role="tooltip"><div class="arrow"></div><div class="tooltip-inner"></div></div>',trigger:"hover focus",title:"",delay:0,html:!1,selector:!1,placement:"top",offset:0,container:!1,fallbackPlacement:"flip",boundary:"scrollParent",sanitize:!0,sanitizeFn:null,whiteList:_sanitizer.DefaultWhitelist,popperConfig:null},Event={HIDE:"hide".concat(EVENT_KEY),HIDDEN:"hidden".concat(EVENT_KEY),SHOW:"show".concat(EVENT_KEY),SHOWN:"shown".concat(EVENT_KEY),INSERTED:"inserted".concat(EVENT_KEY),CLICK:"click".concat(EVENT_KEY),FOCUSIN:"focusin".concat(EVENT_KEY),FOCUSOUT:"focusout".concat(EVENT_KEY),MOUSEENTER:"mouseenter".concat(EVENT_KEY),MOUSELEAVE:"mouseleave".concat(EVENT_KEY)},Tooltip=function(){function Tooltip(element,config){if(function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,Tooltip),void 0===_popper.default)throw new TypeError("Bootstrap's tooltips require Popper.js (https://popper.js.org/)");this._isEnabled=!0,this._timeout=0,this._hoverState="",this._activeTrigger={},this._popper=null,this.element=element,this.config=this._getConfig(config),this.tip=null,this._setListeners()}var Constructor,protoProps,staticProps;return Constructor=Tooltip,staticProps=[{key:"VERSION",get:function(){return"4.5.0"}},{key:"Default",get:function(){return Default}},{key:"NAME",get:function(){return NAME}},{key:"DATA_KEY",get:function(){return"bs.tooltip"}},{key:"Event",get:function(){return Event}},{key:"EVENT_KEY",get:function(){return EVENT_KEY}},{key:"DefaultType",get:function(){return DefaultType}},{key:"_jQueryInterface",value:function(config){return this.each((function(){var data=(0,_jquery.default)(this).data("bs.tooltip"),_config="object"===_typeof(config)&&config;if((data||!/dispose|hide/.test(config))&&(data||(data=new Tooltip(this,_config),(0,_jquery.default)(this).data("bs.tooltip",data)),"string"==typeof config)){if(void 0===data[config])throw new TypeError('No method named "'.concat(config,'"'));data[config]()}}))}}],(protoProps=[{key:"enable",value:function(){this._isEnabled=!0}},{key:"disable",value:function(){this._isEnabled=!1}},{key:"toggleEnabled",value:function(){this._isEnabled=!this._isEnabled}},{key:"toggle",value:function(event){if(this._isEnabled)if(event){var dataKey=this.constructor.DATA_KEY,context=(0,_jquery.default)(event.currentTarget).data(dataKey);context||(context=new this.constructor(event.currentTarget,this._getDelegateConfig()),(0,_jquery.default)(event.currentTarget).data(dataKey,context)),context._activeTrigger.click=!context._activeTrigger.click,context._isWithActiveTrigger()?context._enter(null,context):context._leave(null,context)}else{if((0,_jquery.default)(this.getTipElement()).hasClass("show"))return void this._leave(null,this);this._enter(null,this)}}},{key:"dispose",value:function(){clearTimeout(this._timeout),_jquery.default.removeData(this.element,this.constructor.DATA_KEY),(0,_jquery.default)(this.element).off(this.constructor.EVENT_KEY),(0,_jquery.default)(this.element).closest(".modal").off("hide.bs.modal",this._hideModalHandler),this.tip&&(0,_jquery.default)(this.tip).remove(),this._isEnabled=null,this._timeout=null,this._hoverState=null,this._activeTrigger=null,this._popper&&this._popper.destroy(),this._popper=null,this.element=null,this.config=null,this.tip=null}},{key:"show",value:function(){var _this=this;if("none"===(0,_jquery.default)(this.element).css("display"))throw new Error("Please use show on visible elements");var showEvent=_jquery.default.Event(this.constructor.Event.SHOW);if(this.isWithContent()&&this._isEnabled){(0,_jquery.default)(this.element).trigger(showEvent);var shadowRoot=_util.default.findShadowRoot(this.element),isInTheDom=_jquery.default.contains(null!==shadowRoot?shadowRoot:this.element.ownerDocument.documentElement,this.element);if(showEvent.isDefaultPrevented()||!isInTheDom)return;var tip=this.getTipElement(),tipId=_util.default.getUID(this.constructor.NAME);tip.setAttribute("id",tipId),this.element.setAttribute("aria-describedby",tipId),this.setContent(),this.config.animation&&(0,_jquery.default)(tip).addClass("fade");var placement="function"==typeof this.config.placement?this.config.placement.call(this,tip,this.element):this.config.placement,attachment=this._getAttachment(placement);this.addAttachmentClass(attachment);var container=this._getContainer();(0,_jquery.default)(tip).data(this.constructor.DATA_KEY,this),_jquery.default.contains(this.element.ownerDocument.documentElement,this.tip)||(0,_jquery.default)(tip).appendTo(container),(0,_jquery.default)(this.element).trigger(this.constructor.Event.INSERTED),this._popper=new _popper.default(this.element,tip,this._getPopperConfig(attachment)),(0,_jquery.default)(tip).addClass("show"),"ontouchstart"in document.documentElement&&(0,_jquery.default)(document.body).children().on("mouseover",null,_jquery.default.noop);var complete=function(){_this.config.animation&&_this._fixTransition();var prevHoverState=_this._hoverState;_this._hoverState=null,(0,_jquery.default)(_this.element).trigger(_this.constructor.Event.SHOWN),"out"===prevHoverState&&_this._leave(null,_this)};if((0,_jquery.default)(this.tip).hasClass("fade")){var transitionDuration=_util.default.getTransitionDurationFromElement(this.tip);(0,_jquery.default)(this.tip).one(_util.default.TRANSITION_END,complete).emulateTransitionEnd(transitionDuration)}else complete()}}},{key:"hide",value:function(callback){var _this2=this,tip=this.getTipElement(),hideEvent=_jquery.default.Event(this.constructor.Event.HIDE),complete=function(){"show"!==_this2._hoverState&&tip.parentNode&&tip.parentNode.removeChild(tip),_this2._cleanTipClass(),_this2.element.removeAttribute("aria-describedby"),(0,_jquery.default)(_this2.element).trigger(_this2.constructor.Event.HIDDEN),null!==_this2._popper&&_this2._popper.destroy(),callback&&callback()};if((0,_jquery.default)(this.element).trigger(hideEvent),!hideEvent.isDefaultPrevented()){if((0,_jquery.default)(tip).removeClass("show"),"ontouchstart"in document.documentElement&&(0,_jquery.default)(document.body).children().off("mouseover",null,_jquery.default.noop),this._activeTrigger.click=!1,this._activeTrigger.focus=!1,this._activeTrigger.hover=!1,(0,_jquery.default)(this.tip).hasClass("fade")){var transitionDuration=_util.default.getTransitionDurationFromElement(tip);(0,_jquery.default)(tip).one(_util.default.TRANSITION_END,complete).emulateTransitionEnd(transitionDuration)}else complete();this._hoverState=""}}},{key:"update",value:function(){null!==this._popper&&this._popper.scheduleUpdate()}},{key:"isWithContent",value:function(){return Boolean(this.getTitle())}},{key:"addAttachmentClass",value:function(attachment){(0,_jquery.default)(this.getTipElement()).addClass("".concat("bs-tooltip","-").concat(attachment))}},{key:"getTipElement",value:function(){return this.tip=this.tip||(0,_jquery.default)(this.config.template)[0],this.tip}},{key:"setContent",value:function(){var tip=this.getTipElement();this.setElementContent((0,_jquery.default)(tip.querySelectorAll(".tooltip-inner")),this.getTitle()),(0,_jquery.default)(tip).removeClass("".concat("fade"," ").concat("show"))}},{key:"setElementContent",value:function($element,content){"object"!==_typeof(content)||!content.nodeType&&!content.jquery?this.config.html?(this.config.sanitize&&(content=(0,_sanitizer.sanitizeHtml)(content,this.config.whiteList,this.config.sanitizeFn)),$element.html(content)):$element.text(content):this.config.html?(0,_jquery.default)(content).parent().is($element)||$element.empty().append(content):$element.text((0,_jquery.default)(content).text())}},{key:"getTitle",value:function(){var title=this.element.getAttribute("data-original-title");return title||(title="function"==typeof this.config.title?this.config.title.call(this.element):this.config.title),title}},{key:"_getPopperConfig",value:function(attachment){var _this3=this;return _objectSpread(_objectSpread({},{placement:attachment,modifiers:{offset:this._getOffset(),flip:{behavior:this.config.fallbackPlacement},arrow:{element:".arrow"},preventOverflow:{boundariesElement:this.config.boundary}},onCreate:function(data){data.originalPlacement!==data.placement&&_this3._handlePopperPlacementChange(data)},onUpdate:function(data){return _this3._handlePopperPlacementChange(data)}}),this.config.popperConfig)}},{key:"_getOffset",value:function(){var _this4=this,offset={};return"function"==typeof this.config.offset?offset.fn=function(data){return data.offsets=_objectSpread(_objectSpread({},data.offsets),_this4.config.offset(data.offsets,_this4.element)||{}),data}:offset.offset=this.config.offset,offset}},{key:"_getContainer",value:function(){return!1===this.config.container?document.body:_util.default.isElement(this.config.container)?(0,_jquery.default)(this.config.container):(0,_jquery.default)(document).find(this.config.container)}},{key:"_getAttachment",value:function(placement){return AttachmentMap[placement.toUpperCase()]}},{key:"_setListeners",value:function(){var _this5=this;this.config.trigger.split(" ").forEach((function(trigger){if("click"===trigger)(0,_jquery.default)(_this5.element).on(_this5.constructor.Event.CLICK,_this5.config.selector,(function(event){return _this5.toggle(event)}));else if("manual"!==trigger){var eventIn="hover"===trigger?_this5.constructor.Event.MOUSEENTER:_this5.constructor.Event.FOCUSIN,eventOut="hover"===trigger?_this5.constructor.Event.MOUSELEAVE:_this5.constructor.Event.FOCUSOUT;(0,_jquery.default)(_this5.element).on(eventIn,_this5.config.selector,(function(event){return _this5._enter(event)})).on(eventOut,_this5.config.selector,(function(event){return _this5._leave(event)}))}})),this._hideModalHandler=function(){_this5.element&&_this5.hide()},(0,_jquery.default)(this.element).closest(".modal").on("hide.bs.modal",this._hideModalHandler),this.config.selector?this.config=_objectSpread(_objectSpread({},this.config),{},{trigger:"manual",selector:""}):this._fixTitle()}},{key:"_fixTitle",value:function(){var titleType=_typeof(this.element.getAttribute("data-original-title"));(this.element.getAttribute("title")||"string"!==titleType)&&(this.element.setAttribute("data-original-title",this.element.getAttribute("title")||""),this.element.setAttribute("title",""))}},{key:"_enter",value:function(event,context){var dataKey=this.constructor.DATA_KEY;(context=context||(0,_jquery.default)(event.currentTarget).data(dataKey))||(context=new this.constructor(event.currentTarget,this._getDelegateConfig()),(0,_jquery.default)(event.currentTarget).data(dataKey,context)),event&&(context._activeTrigger["focusin"===event.type?"focus":"hover"]=!0),(0,_jquery.default)(context.getTipElement()).hasClass("show")||"show"===context._hoverState?context._hoverState="show":(clearTimeout(context._timeout),context._hoverState="show",context.config.delay&&context.config.delay.show?context._timeout=setTimeout((function(){"show"===context._hoverState&&context.show()}),context.config.delay.show):context.show())}},{key:"_leave",value:function(event,context){var dataKey=this.constructor.DATA_KEY;(context=context||(0,_jquery.default)(event.currentTarget).data(dataKey))||(context=new this.constructor(event.currentTarget,this._getDelegateConfig()),(0,_jquery.default)(event.currentTarget).data(dataKey,context)),event&&(context._activeTrigger["focusout"===event.type?"focus":"hover"]=!1),context._isWithActiveTrigger()||(clearTimeout(context._timeout),context._hoverState="out",context.config.delay&&context.config.delay.hide?context._timeout=setTimeout((function(){"out"===context._hoverState&&context.hide()}),context.config.delay.hide):context.hide())}},{key:"_isWithActiveTrigger",value:function(){for(var trigger in this._activeTrigger)if(this._activeTrigger[trigger])return!0;return!1}},{key:"_getConfig",value:function(config){var dataAttributes=(0,_jquery.default)(this.element).data();return Object.keys(dataAttributes).forEach((function(dataAttr){-1!==DISALLOWED_ATTRIBUTES.indexOf(dataAttr)&&delete dataAttributes[dataAttr]})),"number"==typeof(config=_objectSpread(_objectSpread(_objectSpread({},this.constructor.Default),dataAttributes),"object"===_typeof(config)&&config?config:{})).delay&&(config.delay={show:config.delay,hide:config.delay}),"number"==typeof config.title&&(config.title=config.title.toString()),"number"==typeof config.content&&(config.content=config.content.toString()),_util.default.typeCheckConfig(NAME,config,this.constructor.DefaultType),config.sanitize&&(config.template=(0,_sanitizer.sanitizeHtml)(config.template,config.whiteList,config.sanitizeFn)),config}},{key:"_getDelegateConfig",value:function(){var config={};if(this.config)for(var key in this.config)this.constructor.Default[key]!==this.config[key]&&(config[key]=this.config[key]);return config}},{key:"_cleanTipClass",value:function(){var $tip=(0,_jquery.default)(this.getTipElement()),tabClass=$tip.attr("class").match(BSCLS_PREFIX_REGEX);null!==tabClass&&tabClass.length&&$tip.removeClass(tabClass.join(""))}},{key:"_handlePopperPlacementChange",value:function(popperData){this.tip=popperData.instance.popper,this._cleanTipClass(),this.addAttachmentClass(this._getAttachment(popperData.placement))}},{key:"_fixTransition",value:function(){var tip=this.getTipElement(),initConfigAnimation=this.config.animation;null===tip.getAttribute("x-placement")&&((0,_jquery.default)(tip).removeClass("fade"),this.config.animation=!1,this.hide(),this.show(),this.config.animation=initConfigAnimation)}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),Tooltip}();_jquery.default.fn[NAME]=Tooltip._jQueryInterface,_jquery.default.fn[NAME].Constructor=Tooltip,_jquery.default.fn[NAME].noConflict=function(){return _jquery.default.fn[NAME]=JQUERY_NO_CONFLICT,Tooltip._jQueryInterface};var _default=Tooltip;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=tooltip.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/tooltip.min.js.map b/theme/boost/amd/build/bootstrap/tooltip.min.js.map
index 2d28b008a59..cdf32b4af62 100644
--- a/theme/boost/amd/build/bootstrap/tooltip.min.js.map
+++ b/theme/boost/amd/build/bootstrap/tooltip.min.js.map
@@ -1 +1 @@
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* --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tooltip.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport {\n  DefaultWhitelist,\n  sanitizeHtml\n} from './tools/sanitizer'\nimport $ from 'jquery'\nimport Popper from 'core/popper'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                  = 'tooltip'\nconst VERSION               = '4.5.0'\nconst DATA_KEY              = 'bs.tooltip'\nconst EVENT_KEY             = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT    = $.fn[NAME]\nconst CLASS_PREFIX          = 'bs-tooltip'\nconst BSCLS_PREFIX_REGEX    = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\nconst DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn']\n\nconst DefaultType = {\n  animation         : 'boolean',\n  template          : 'string',\n  title             : '(string|element|function)',\n  trigger           : 'string',\n  delay             : '(number|object)',\n  html              : 'boolean',\n  selector          : '(string|boolean)',\n  placement         : '(string|function)',\n  offset            : '(number|string|function)',\n  container         : '(string|element|boolean)',\n  fallbackPlacement : '(string|array)',\n  boundary          : '(string|element)',\n  sanitize          : 'boolean',\n  sanitizeFn        : '(null|function)',\n  whiteList         : 'object',\n  popperConfig      : '(null|object)'\n}\n\nconst AttachmentMap = {\n  AUTO   : 'auto',\n  TOP    : 'top',\n  RIGHT  : 'right',\n  BOTTOM : 'bottom',\n  LEFT   : 'left'\n}\n\nconst Default = {\n  animation         : true,\n  template          : '<div class=\"tooltip\" role=\"tooltip\">' +\n                    '<div class=\"arrow\"></div>' +\n                    '<div class=\"tooltip-inner\"></div></div>',\n  trigger           : 'hover focus',\n  title             : '',\n  delay             : 0,\n  html              : false,\n  selector          : false,\n  placement         : 'top',\n  offset            : 0,\n  container         : false,\n  fallbackPlacement : 'flip',\n  boundary          : 'scrollParent',\n  sanitize          : true,\n  sanitizeFn        : null,\n  whiteList         : DefaultWhitelist,\n  popperConfig      : null\n}\n\nconst HOVER_STATE_SHOW = 'show'\nconst HOVER_STATE_OUT  = 'out'\n\nconst Event = {\n  HIDE       : `hide${EVENT_KEY}`,\n  HIDDEN     : `hidden${EVENT_KEY}`,\n  SHOW       : `show${EVENT_KEY}`,\n  SHOWN      : `shown${EVENT_KEY}`,\n  INSERTED   : `inserted${EVENT_KEY}`,\n  CLICK      : `click${EVENT_KEY}`,\n  FOCUSIN    : `focusin${EVENT_KEY}`,\n  FOCUSOUT   : `focusout${EVENT_KEY}`,\n  MOUSEENTER : `mouseenter${EVENT_KEY}`,\n  MOUSELEAVE : `mouseleave${EVENT_KEY}`\n}\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TOOLTIP_INNER = '.tooltip-inner'\nconst SELECTOR_ARROW         = '.arrow'\n\nconst TRIGGER_HOVER  = 'hover'\nconst TRIGGER_FOCUS  = 'focus'\nconst TRIGGER_CLICK  = 'click'\nconst TRIGGER_MANUAL = 'manual'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Tooltip {\n  constructor(element, config) {\n    if (typeof Popper === 'undefined') {\n      throw new TypeError('Bootstrap\\'s tooltips require Popper.js (https://popper.js.org/)')\n    }\n\n    // private\n    this._isEnabled     = true\n    this._timeout       = 0\n    this._hoverState    = ''\n    this._activeTrigger = {}\n    this._popper        = null\n\n    // Protected\n    this.element = element\n    this.config  = this._getConfig(config)\n    this.tip     = null\n\n    this._setListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get NAME() {\n    return NAME\n  }\n\n  static get DATA_KEY() {\n    return DATA_KEY\n  }\n\n  static get Event() {\n    return Event\n  }\n\n  static get EVENT_KEY() {\n    return EVENT_KEY\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Public\n\n  enable() {\n    this._isEnabled = true\n  }\n\n  disable() {\n    this._isEnabled = false\n  }\n\n  toggleEnabled() {\n    this._isEnabled = !this._isEnabled\n  }\n\n  toggle(event) {\n    if (!this._isEnabled) {\n      return\n    }\n\n    if (event) {\n      const dataKey = this.constructor.DATA_KEY\n      let context = $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      context._activeTrigger.click = !context._activeTrigger.click\n\n      if (context._isWithActiveTrigger()) {\n        context._enter(null, context)\n      } else {\n        context._leave(null, context)\n      }\n    } else {\n      if ($(this.getTipElement()).hasClass(CLASS_NAME_SHOW)) {\n        this._leave(null, this)\n        return\n      }\n\n      this._enter(null, this)\n    }\n  }\n\n  dispose() {\n    clearTimeout(this._timeout)\n\n    $.removeData(this.element, this.constructor.DATA_KEY)\n\n    $(this.element).off(this.constructor.EVENT_KEY)\n    $(this.element).closest('.modal').off('hide.bs.modal', this._hideModalHandler)\n\n    if (this.tip) {\n      $(this.tip).remove()\n    }\n\n    this._isEnabled     = null\n    this._timeout       = null\n    this._hoverState    = null\n    this._activeTrigger = null\n    if (this._popper) {\n      this._popper.destroy()\n    }\n\n    this._popper = null\n    this.element = null\n    this.config  = null\n    this.tip     = null\n  }\n\n  show() {\n    if ($(this.element).css('display') === 'none') {\n      throw new Error('Please use show on visible elements')\n    }\n\n    const showEvent = $.Event(this.constructor.Event.SHOW)\n    if (this.isWithContent() && this._isEnabled) {\n      $(this.element).trigger(showEvent)\n\n      const shadowRoot = Util.findShadowRoot(this.element)\n      const isInTheDom = $.contains(\n        shadowRoot !== null ? shadowRoot : this.element.ownerDocument.documentElement,\n        this.element\n      )\n\n      if (showEvent.isDefaultPrevented() || !isInTheDom) {\n        return\n      }\n\n      const tip   = this.getTipElement()\n      const tipId = Util.getUID(this.constructor.NAME)\n\n      tip.setAttribute('id', tipId)\n      this.element.setAttribute('aria-describedby', tipId)\n\n      this.setContent()\n\n      if (this.config.animation) {\n        $(tip).addClass(CLASS_NAME_FADE)\n      }\n\n      const placement  = typeof this.config.placement === 'function'\n        ? this.config.placement.call(this, tip, this.element)\n        : this.config.placement\n\n      const attachment = this._getAttachment(placement)\n      this.addAttachmentClass(attachment)\n\n      const container = this._getContainer()\n      $(tip).data(this.constructor.DATA_KEY, this)\n\n      if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {\n        $(tip).appendTo(container)\n      }\n\n      $(this.element).trigger(this.constructor.Event.INSERTED)\n\n      this._popper = new Popper(this.element, tip, this._getPopperConfig(attachment))\n\n      $(tip).addClass(CLASS_NAME_SHOW)\n\n      // If this is a touch-enabled device we add extra\n      // empty mouseover listeners to the body's immediate children;\n      // only needed because of broken event delegation on iOS\n      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n      if ('ontouchstart' in document.documentElement) {\n        $(document.body).children().on('mouseover', null, $.noop)\n      }\n\n      const complete = () => {\n        if (this.config.animation) {\n          this._fixTransition()\n        }\n        const prevHoverState = this._hoverState\n        this._hoverState     = null\n\n        $(this.element).trigger(this.constructor.Event.SHOWN)\n\n        if (prevHoverState === HOVER_STATE_OUT) {\n          this._leave(null, this)\n        }\n      }\n\n      if ($(this.tip).hasClass(CLASS_NAME_FADE)) {\n        const transitionDuration = Util.getTransitionDurationFromElement(this.tip)\n\n        $(this.tip)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(transitionDuration)\n      } else {\n        complete()\n      }\n    }\n  }\n\n  hide(callback) {\n    const tip       = this.getTipElement()\n    const hideEvent = $.Event(this.constructor.Event.HIDE)\n    const complete = () => {\n      if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {\n        tip.parentNode.removeChild(tip)\n      }\n\n      this._cleanTipClass()\n      this.element.removeAttribute('aria-describedby')\n      $(this.element).trigger(this.constructor.Event.HIDDEN)\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n    $(this.element).trigger(hideEvent)\n\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    $(tip).removeClass(CLASS_NAME_SHOW)\n\n    // If this is a touch-enabled device we remove the extra\n    // empty mouseover listeners we added for iOS support\n    if ('ontouchstart' in document.documentElement) {\n      $(document.body).children().off('mouseover', null, $.noop)\n    }\n\n    this._activeTrigger[TRIGGER_CLICK] = false\n    this._activeTrigger[TRIGGER_FOCUS] = false\n    this._activeTrigger[TRIGGER_HOVER] = false\n\n    if ($(this.tip).hasClass(CLASS_NAME_FADE)) {\n      const transitionDuration = Util.getTransitionDurationFromElement(tip)\n\n      $(tip)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n\n    this._hoverState = ''\n  }\n\n  update() {\n    if (this._popper !== null) {\n      this._popper.scheduleUpdate()\n    }\n  }\n\n  // Protected\n\n  isWithContent() {\n    return Boolean(this.getTitle())\n  }\n\n  addAttachmentClass(attachment) {\n    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n  }\n\n  getTipElement() {\n    this.tip = this.tip || $(this.config.template)[0]\n    return this.tip\n  }\n\n  setContent() {\n    const tip = this.getTipElement()\n    this.setElementContent($(tip.querySelectorAll(SELECTOR_TOOLTIP_INNER)), this.getTitle())\n    $(tip).removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  setElementContent($element, content) {\n    if (typeof content === 'object' && (content.nodeType || content.jquery)) {\n      // Content is a DOM node or a jQuery\n      if (this.config.html) {\n        if (!$(content).parent().is($element)) {\n          $element.empty().append(content)\n        }\n      } else {\n        $element.text($(content).text())\n      }\n\n      return\n    }\n\n    if (this.config.html) {\n      if (this.config.sanitize) {\n        content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn)\n      }\n\n      $element.html(content)\n    } else {\n      $element.text(content)\n    }\n  }\n\n  getTitle() {\n    let title = this.element.getAttribute('data-original-title')\n\n    if (!title) {\n      title = typeof this.config.title === 'function'\n        ? this.config.title.call(this.element)\n        : this.config.title\n    }\n\n    return title\n  }\n\n  // Private\n\n  _getPopperConfig(attachment) {\n    const defaultBsConfig = {\n      placement: attachment,\n      modifiers: {\n        offset: this._getOffset(),\n        flip: {\n          behavior: this.config.fallbackPlacement\n        },\n        arrow: {\n          element: SELECTOR_ARROW\n        },\n        preventOverflow: {\n          boundariesElement: this.config.boundary\n        }\n      },\n      onCreate: (data) => {\n        if (data.originalPlacement !== data.placement) {\n          this._handlePopperPlacementChange(data)\n        }\n      },\n      onUpdate: (data) => this._handlePopperPlacementChange(data)\n    }\n\n    return {\n      ...defaultBsConfig,\n      ...this.config.popperConfig\n    }\n  }\n\n  _getOffset() {\n    const offset = {}\n\n    if (typeof this.config.offset === 'function') {\n      offset.fn = (data) => {\n        data.offsets = {\n          ...data.offsets,\n          ...this.config.offset(data.offsets, this.element) || {}\n        }\n\n        return data\n      }\n    } else {\n      offset.offset = this.config.offset\n    }\n\n    return offset\n  }\n\n  _getContainer() {\n    if (this.config.container === false) {\n      return document.body\n    }\n\n    if (Util.isElement(this.config.container)) {\n      return $(this.config.container)\n    }\n\n    return $(document).find(this.config.container)\n  }\n\n  _getAttachment(placement) {\n    return AttachmentMap[placement.toUpperCase()]\n  }\n\n  _setListeners() {\n    const triggers = this.config.trigger.split(' ')\n\n    triggers.forEach((trigger) => {\n      if (trigger === 'click') {\n        $(this.element).on(\n          this.constructor.Event.CLICK,\n          this.config.selector,\n          (event) => this.toggle(event)\n        )\n      } else if (trigger !== TRIGGER_MANUAL) {\n        const eventIn = trigger === TRIGGER_HOVER\n          ? this.constructor.Event.MOUSEENTER\n          : this.constructor.Event.FOCUSIN\n        const eventOut = trigger === TRIGGER_HOVER\n          ? this.constructor.Event.MOUSELEAVE\n          : this.constructor.Event.FOCUSOUT\n\n        $(this.element)\n          .on(eventIn, this.config.selector, (event) => this._enter(event))\n          .on(eventOut, this.config.selector, (event) => this._leave(event))\n      }\n    })\n\n    this._hideModalHandler = () => {\n      if (this.element) {\n        this.hide()\n      }\n    }\n\n    $(this.element).closest('.modal').on('hide.bs.modal', this._hideModalHandler)\n\n    if (this.config.selector) {\n      this.config = {\n        ...this.config,\n        trigger: 'manual',\n        selector: ''\n      }\n    } else {\n      this._fixTitle()\n    }\n  }\n\n  _fixTitle() {\n    const titleType = typeof this.element.getAttribute('data-original-title')\n\n    if (this.element.getAttribute('title') || titleType !== 'string') {\n      this.element.setAttribute(\n        'data-original-title',\n        this.element.getAttribute('title') || ''\n      )\n\n      this.element.setAttribute('title', '')\n    }\n  }\n\n  _enter(event, context) {\n    const dataKey = this.constructor.DATA_KEY\n    context = context || $(event.currentTarget).data(dataKey)\n\n    if (!context) {\n      context = new this.constructor(\n        event.currentTarget,\n        this._getDelegateConfig()\n      )\n      $(event.currentTarget).data(dataKey, context)\n    }\n\n    if (event) {\n      context._activeTrigger[\n        event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER\n      ] = true\n    }\n\n    if ($(context.getTipElement()).hasClass(CLASS_NAME_SHOW) || context._hoverState === HOVER_STATE_SHOW) {\n      context._hoverState = HOVER_STATE_SHOW\n      return\n    }\n\n    clearTimeout(context._timeout)\n\n    context._hoverState = HOVER_STATE_SHOW\n\n    if (!context.config.delay || !context.config.delay.show) {\n      context.show()\n      return\n    }\n\n    context._timeout = setTimeout(() => {\n      if (context._hoverState === HOVER_STATE_SHOW) {\n        context.show()\n      }\n    }, context.config.delay.show)\n  }\n\n  _leave(event, context) {\n    const dataKey = this.constructor.DATA_KEY\n    context = context || $(event.currentTarget).data(dataKey)\n\n    if (!context) {\n      context = new this.constructor(\n        event.currentTarget,\n        this._getDelegateConfig()\n      )\n      $(event.currentTarget).data(dataKey, context)\n    }\n\n    if (event) {\n      context._activeTrigger[\n        event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER\n      ] = false\n    }\n\n    if (context._isWithActiveTrigger()) {\n      return\n    }\n\n    clearTimeout(context._timeout)\n\n    context._hoverState = HOVER_STATE_OUT\n\n    if (!context.config.delay || !context.config.delay.hide) {\n      context.hide()\n      return\n    }\n\n    context._timeout = setTimeout(() => {\n      if (context._hoverState === HOVER_STATE_OUT) {\n        context.hide()\n      }\n    }, context.config.delay.hide)\n  }\n\n  _isWithActiveTrigger() {\n    for (const trigger in this._activeTrigger) {\n      if (this._activeTrigger[trigger]) {\n        return true\n      }\n    }\n\n    return false\n  }\n\n  _getConfig(config) {\n    const dataAttributes = $(this.element).data()\n\n    Object.keys(dataAttributes)\n      .forEach((dataAttr) => {\n        if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {\n          delete dataAttributes[dataAttr]\n        }\n      })\n\n    config = {\n      ...this.constructor.Default,\n      ...dataAttributes,\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    if (typeof config.delay === 'number') {\n      config.delay = {\n        show: config.delay,\n        hide: config.delay\n      }\n    }\n\n    if (typeof config.title === 'number') {\n      config.title = config.title.toString()\n    }\n\n    if (typeof config.content === 'number') {\n      config.content = config.content.toString()\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    if (config.sanitize) {\n      config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn)\n    }\n\n    return config\n  }\n\n  _getDelegateConfig() {\n    const config = {}\n\n    if (this.config) {\n      for (const key in this.config) {\n        if (this.constructor.Default[key] !== this.config[key]) {\n          config[key] = this.config[key]\n        }\n      }\n    }\n\n    return config\n  }\n\n  _cleanTipClass() {\n    const $tip = $(this.getTipElement())\n    const tabClass = $tip.attr('class').match(BSCLS_PREFIX_REGEX)\n    if (tabClass !== null && tabClass.length) {\n      $tip.removeClass(tabClass.join(''))\n    }\n  }\n\n  _handlePopperPlacementChange(popperData) {\n    this.tip = popperData.instance.popper\n    this._cleanTipClass()\n    this.addAttachmentClass(this._getAttachment(popperData.placement))\n  }\n\n  _fixTransition() {\n    const tip = this.getTipElement()\n    const initConfigAnimation = this.config.animation\n\n    if (tip.getAttribute('x-placement') !== null) {\n      return\n    }\n\n    $(tip).removeClass(CLASS_NAME_FADE)\n    this.config.animation = false\n    this.hide()\n    this.show()\n    this.config.animation = initConfigAnimation\n  }\n\n  // Static\n\n  static _jQueryInterface(config) {\n    return this.each(function () {\n      let data = $(this).data(DATA_KEY)\n      const _config = typeof config === 'object' && config\n\n      if (!data && /dispose|hide/.test(config)) {\n        return\n      }\n\n      if (!data) {\n        data = new Tooltip(this, _config)\n        $(this).data(DATA_KEY, data)\n      }\n\n      if (typeof config === 'string') {\n        if (typeof data[config] === 'undefined') {\n          throw new TypeError(`No method named \"${config}\"`)\n        }\n        data[config]()\n      }\n    })\n  }\n}\n\n/**\n * ------------------------------------------------------------------------\n * jQuery\n * ------------------------------------------------------------------------\n */\n\n$.fn[NAME] = Tooltip._jQueryInterface\n$.fn[NAME].Constructor = Tooltip\n$.fn[NAME].noConflict = () => {\n  $.fn[NAME] = JQUERY_NO_CONFLICT\n  return Tooltip._jQueryInterface\n}\n\nexport default Tooltip\n"],"file":"tooltip.min.js"}
\ No newline at end of file
+{"version":3,"file":"tooltip.min.js","sources":["../../src/bootstrap/tooltip.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): tooltip.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport {\n  DefaultWhitelist,\n  sanitizeHtml\n} from './tools/sanitizer'\nimport $ from 'jquery'\nimport Popper from 'core/popper'\nimport Util from './util'\n\n/**\n * ------------------------------------------------------------------------\n * Constants\n * ------------------------------------------------------------------------\n */\n\nconst NAME                  = 'tooltip'\nconst VERSION               = '4.5.0'\nconst DATA_KEY              = 'bs.tooltip'\nconst EVENT_KEY             = `.${DATA_KEY}`\nconst JQUERY_NO_CONFLICT    = $.fn[NAME]\nconst CLASS_PREFIX          = 'bs-tooltip'\nconst BSCLS_PREFIX_REGEX    = new RegExp(`(^|\\\\s)${CLASS_PREFIX}\\\\S+`, 'g')\nconst DISALLOWED_ATTRIBUTES = ['sanitize', 'whiteList', 'sanitizeFn']\n\nconst DefaultType = {\n  animation         : 'boolean',\n  template          : 'string',\n  title             : '(string|element|function)',\n  trigger           : 'string',\n  delay             : '(number|object)',\n  html              : 'boolean',\n  selector          : '(string|boolean)',\n  placement         : '(string|function)',\n  offset            : '(number|string|function)',\n  container         : '(string|element|boolean)',\n  fallbackPlacement : '(string|array)',\n  boundary          : '(string|element)',\n  sanitize          : 'boolean',\n  sanitizeFn        : '(null|function)',\n  whiteList         : 'object',\n  popperConfig      : '(null|object)'\n}\n\nconst AttachmentMap = {\n  AUTO   : 'auto',\n  TOP    : 'top',\n  RIGHT  : 'right',\n  BOTTOM : 'bottom',\n  LEFT   : 'left'\n}\n\nconst Default = {\n  animation         : true,\n  template          : '<div class=\"tooltip\" role=\"tooltip\">' +\n                    '<div class=\"arrow\"></div>' +\n                    '<div class=\"tooltip-inner\"></div></div>',\n  trigger           : 'hover focus',\n  title             : '',\n  delay             : 0,\n  html              : false,\n  selector          : false,\n  placement         : 'top',\n  offset            : 0,\n  container         : false,\n  fallbackPlacement : 'flip',\n  boundary          : 'scrollParent',\n  sanitize          : true,\n  sanitizeFn        : null,\n  whiteList         : DefaultWhitelist,\n  popperConfig      : null\n}\n\nconst HOVER_STATE_SHOW = 'show'\nconst HOVER_STATE_OUT  = 'out'\n\nconst Event = {\n  HIDE       : `hide${EVENT_KEY}`,\n  HIDDEN     : `hidden${EVENT_KEY}`,\n  SHOW       : `show${EVENT_KEY}`,\n  SHOWN      : `shown${EVENT_KEY}`,\n  INSERTED   : `inserted${EVENT_KEY}`,\n  CLICK      : `click${EVENT_KEY}`,\n  FOCUSIN    : `focusin${EVENT_KEY}`,\n  FOCUSOUT   : `focusout${EVENT_KEY}`,\n  MOUSEENTER : `mouseenter${EVENT_KEY}`,\n  MOUSELEAVE : `mouseleave${EVENT_KEY}`\n}\n\nconst CLASS_NAME_FADE = 'fade'\nconst CLASS_NAME_SHOW = 'show'\n\nconst SELECTOR_TOOLTIP_INNER = '.tooltip-inner'\nconst SELECTOR_ARROW         = '.arrow'\n\nconst TRIGGER_HOVER  = 'hover'\nconst TRIGGER_FOCUS  = 'focus'\nconst TRIGGER_CLICK  = 'click'\nconst TRIGGER_MANUAL = 'manual'\n\n/**\n * ------------------------------------------------------------------------\n * Class Definition\n * ------------------------------------------------------------------------\n */\n\nclass Tooltip {\n  constructor(element, config) {\n    if (typeof Popper === 'undefined') {\n      throw new TypeError('Bootstrap\\'s tooltips require Popper.js (https://popper.js.org/)')\n    }\n\n    // private\n    this._isEnabled     = true\n    this._timeout       = 0\n    this._hoverState    = ''\n    this._activeTrigger = {}\n    this._popper        = null\n\n    // Protected\n    this.element = element\n    this.config  = this._getConfig(config)\n    this.tip     = null\n\n    this._setListeners()\n  }\n\n  // Getters\n\n  static get VERSION() {\n    return VERSION\n  }\n\n  static get Default() {\n    return Default\n  }\n\n  static get NAME() {\n    return NAME\n  }\n\n  static get DATA_KEY() {\n    return DATA_KEY\n  }\n\n  static get Event() {\n    return Event\n  }\n\n  static get EVENT_KEY() {\n    return EVENT_KEY\n  }\n\n  static get DefaultType() {\n    return DefaultType\n  }\n\n  // Public\n\n  enable() {\n    this._isEnabled = true\n  }\n\n  disable() {\n    this._isEnabled = false\n  }\n\n  toggleEnabled() {\n    this._isEnabled = !this._isEnabled\n  }\n\n  toggle(event) {\n    if (!this._isEnabled) {\n      return\n    }\n\n    if (event) {\n      const dataKey = this.constructor.DATA_KEY\n      let context = $(event.currentTarget).data(dataKey)\n\n      if (!context) {\n        context = new this.constructor(\n          event.currentTarget,\n          this._getDelegateConfig()\n        )\n        $(event.currentTarget).data(dataKey, context)\n      }\n\n      context._activeTrigger.click = !context._activeTrigger.click\n\n      if (context._isWithActiveTrigger()) {\n        context._enter(null, context)\n      } else {\n        context._leave(null, context)\n      }\n    } else {\n      if ($(this.getTipElement()).hasClass(CLASS_NAME_SHOW)) {\n        this._leave(null, this)\n        return\n      }\n\n      this._enter(null, this)\n    }\n  }\n\n  dispose() {\n    clearTimeout(this._timeout)\n\n    $.removeData(this.element, this.constructor.DATA_KEY)\n\n    $(this.element).off(this.constructor.EVENT_KEY)\n    $(this.element).closest('.modal').off('hide.bs.modal', this._hideModalHandler)\n\n    if (this.tip) {\n      $(this.tip).remove()\n    }\n\n    this._isEnabled     = null\n    this._timeout       = null\n    this._hoverState    = null\n    this._activeTrigger = null\n    if (this._popper) {\n      this._popper.destroy()\n    }\n\n    this._popper = null\n    this.element = null\n    this.config  = null\n    this.tip     = null\n  }\n\n  show() {\n    if ($(this.element).css('display') === 'none') {\n      throw new Error('Please use show on visible elements')\n    }\n\n    const showEvent = $.Event(this.constructor.Event.SHOW)\n    if (this.isWithContent() && this._isEnabled) {\n      $(this.element).trigger(showEvent)\n\n      const shadowRoot = Util.findShadowRoot(this.element)\n      const isInTheDom = $.contains(\n        shadowRoot !== null ? shadowRoot : this.element.ownerDocument.documentElement,\n        this.element\n      )\n\n      if (showEvent.isDefaultPrevented() || !isInTheDom) {\n        return\n      }\n\n      const tip   = this.getTipElement()\n      const tipId = Util.getUID(this.constructor.NAME)\n\n      tip.setAttribute('id', tipId)\n      this.element.setAttribute('aria-describedby', tipId)\n\n      this.setContent()\n\n      if (this.config.animation) {\n        $(tip).addClass(CLASS_NAME_FADE)\n      }\n\n      const placement  = typeof this.config.placement === 'function'\n        ? this.config.placement.call(this, tip, this.element)\n        : this.config.placement\n\n      const attachment = this._getAttachment(placement)\n      this.addAttachmentClass(attachment)\n\n      const container = this._getContainer()\n      $(tip).data(this.constructor.DATA_KEY, this)\n\n      if (!$.contains(this.element.ownerDocument.documentElement, this.tip)) {\n        $(tip).appendTo(container)\n      }\n\n      $(this.element).trigger(this.constructor.Event.INSERTED)\n\n      this._popper = new Popper(this.element, tip, this._getPopperConfig(attachment))\n\n      $(tip).addClass(CLASS_NAME_SHOW)\n\n      // If this is a touch-enabled device we add extra\n      // empty mouseover listeners to the body's immediate children;\n      // only needed because of broken event delegation on iOS\n      // https://www.quirksmode.org/blog/archives/2014/02/mouse_event_bub.html\n      if ('ontouchstart' in document.documentElement) {\n        $(document.body).children().on('mouseover', null, $.noop)\n      }\n\n      const complete = () => {\n        if (this.config.animation) {\n          this._fixTransition()\n        }\n        const prevHoverState = this._hoverState\n        this._hoverState     = null\n\n        $(this.element).trigger(this.constructor.Event.SHOWN)\n\n        if (prevHoverState === HOVER_STATE_OUT) {\n          this._leave(null, this)\n        }\n      }\n\n      if ($(this.tip).hasClass(CLASS_NAME_FADE)) {\n        const transitionDuration = Util.getTransitionDurationFromElement(this.tip)\n\n        $(this.tip)\n          .one(Util.TRANSITION_END, complete)\n          .emulateTransitionEnd(transitionDuration)\n      } else {\n        complete()\n      }\n    }\n  }\n\n  hide(callback) {\n    const tip       = this.getTipElement()\n    const hideEvent = $.Event(this.constructor.Event.HIDE)\n    const complete = () => {\n      if (this._hoverState !== HOVER_STATE_SHOW && tip.parentNode) {\n        tip.parentNode.removeChild(tip)\n      }\n\n      this._cleanTipClass()\n      this.element.removeAttribute('aria-describedby')\n      $(this.element).trigger(this.constructor.Event.HIDDEN)\n      if (this._popper !== null) {\n        this._popper.destroy()\n      }\n\n      if (callback) {\n        callback()\n      }\n    }\n\n    $(this.element).trigger(hideEvent)\n\n    if (hideEvent.isDefaultPrevented()) {\n      return\n    }\n\n    $(tip).removeClass(CLASS_NAME_SHOW)\n\n    // If this is a touch-enabled device we remove the extra\n    // empty mouseover listeners we added for iOS support\n    if ('ontouchstart' in document.documentElement) {\n      $(document.body).children().off('mouseover', null, $.noop)\n    }\n\n    this._activeTrigger[TRIGGER_CLICK] = false\n    this._activeTrigger[TRIGGER_FOCUS] = false\n    this._activeTrigger[TRIGGER_HOVER] = false\n\n    if ($(this.tip).hasClass(CLASS_NAME_FADE)) {\n      const transitionDuration = Util.getTransitionDurationFromElement(tip)\n\n      $(tip)\n        .one(Util.TRANSITION_END, complete)\n        .emulateTransitionEnd(transitionDuration)\n    } else {\n      complete()\n    }\n\n    this._hoverState = ''\n  }\n\n  update() {\n    if (this._popper !== null) {\n      this._popper.scheduleUpdate()\n    }\n  }\n\n  // Protected\n\n  isWithContent() {\n    return Boolean(this.getTitle())\n  }\n\n  addAttachmentClass(attachment) {\n    $(this.getTipElement()).addClass(`${CLASS_PREFIX}-${attachment}`)\n  }\n\n  getTipElement() {\n    this.tip = this.tip || $(this.config.template)[0]\n    return this.tip\n  }\n\n  setContent() {\n    const tip = this.getTipElement()\n    this.setElementContent($(tip.querySelectorAll(SELECTOR_TOOLTIP_INNER)), this.getTitle())\n    $(tip).removeClass(`${CLASS_NAME_FADE} ${CLASS_NAME_SHOW}`)\n  }\n\n  setElementContent($element, content) {\n    if (typeof content === 'object' && (content.nodeType || content.jquery)) {\n      // Content is a DOM node or a jQuery\n      if (this.config.html) {\n        if (!$(content).parent().is($element)) {\n          $element.empty().append(content)\n        }\n      } else {\n        $element.text($(content).text())\n      }\n\n      return\n    }\n\n    if (this.config.html) {\n      if (this.config.sanitize) {\n        content = sanitizeHtml(content, this.config.whiteList, this.config.sanitizeFn)\n      }\n\n      $element.html(content)\n    } else {\n      $element.text(content)\n    }\n  }\n\n  getTitle() {\n    let title = this.element.getAttribute('data-original-title')\n\n    if (!title) {\n      title = typeof this.config.title === 'function'\n        ? this.config.title.call(this.element)\n        : this.config.title\n    }\n\n    return title\n  }\n\n  // Private\n\n  _getPopperConfig(attachment) {\n    const defaultBsConfig = {\n      placement: attachment,\n      modifiers: {\n        offset: this._getOffset(),\n        flip: {\n          behavior: this.config.fallbackPlacement\n        },\n        arrow: {\n          element: SELECTOR_ARROW\n        },\n        preventOverflow: {\n          boundariesElement: this.config.boundary\n        }\n      },\n      onCreate: (data) => {\n        if (data.originalPlacement !== data.placement) {\n          this._handlePopperPlacementChange(data)\n        }\n      },\n      onUpdate: (data) => this._handlePopperPlacementChange(data)\n    }\n\n    return {\n      ...defaultBsConfig,\n      ...this.config.popperConfig\n    }\n  }\n\n  _getOffset() {\n    const offset = {}\n\n    if (typeof this.config.offset === 'function') {\n      offset.fn = (data) => {\n        data.offsets = {\n          ...data.offsets,\n          ...this.config.offset(data.offsets, this.element) || {}\n        }\n\n        return data\n      }\n    } else {\n      offset.offset = this.config.offset\n    }\n\n    return offset\n  }\n\n  _getContainer() {\n    if (this.config.container === false) {\n      return document.body\n    }\n\n    if (Util.isElement(this.config.container)) {\n      return $(this.config.container)\n    }\n\n    return $(document).find(this.config.container)\n  }\n\n  _getAttachment(placement) {\n    return AttachmentMap[placement.toUpperCase()]\n  }\n\n  _setListeners() {\n    const triggers = this.config.trigger.split(' ')\n\n    triggers.forEach((trigger) => {\n      if (trigger === 'click') {\n        $(this.element).on(\n          this.constructor.Event.CLICK,\n          this.config.selector,\n          (event) => this.toggle(event)\n        )\n      } else if (trigger !== TRIGGER_MANUAL) {\n        const eventIn = trigger === TRIGGER_HOVER\n          ? this.constructor.Event.MOUSEENTER\n          : this.constructor.Event.FOCUSIN\n        const eventOut = trigger === TRIGGER_HOVER\n          ? this.constructor.Event.MOUSELEAVE\n          : this.constructor.Event.FOCUSOUT\n\n        $(this.element)\n          .on(eventIn, this.config.selector, (event) => this._enter(event))\n          .on(eventOut, this.config.selector, (event) => this._leave(event))\n      }\n    })\n\n    this._hideModalHandler = () => {\n      if (this.element) {\n        this.hide()\n      }\n    }\n\n    $(this.element).closest('.modal').on('hide.bs.modal', this._hideModalHandler)\n\n    if (this.config.selector) {\n      this.config = {\n        ...this.config,\n        trigger: 'manual',\n        selector: ''\n      }\n    } else {\n      this._fixTitle()\n    }\n  }\n\n  _fixTitle() {\n    const titleType = typeof this.element.getAttribute('data-original-title')\n\n    if (this.element.getAttribute('title') || titleType !== 'string') {\n      this.element.setAttribute(\n        'data-original-title',\n        this.element.getAttribute('title') || ''\n      )\n\n      this.element.setAttribute('title', '')\n    }\n  }\n\n  _enter(event, context) {\n    const dataKey = this.constructor.DATA_KEY\n    context = context || $(event.currentTarget).data(dataKey)\n\n    if (!context) {\n      context = new this.constructor(\n        event.currentTarget,\n        this._getDelegateConfig()\n      )\n      $(event.currentTarget).data(dataKey, context)\n    }\n\n    if (event) {\n      context._activeTrigger[\n        event.type === 'focusin' ? TRIGGER_FOCUS : TRIGGER_HOVER\n      ] = true\n    }\n\n    if ($(context.getTipElement()).hasClass(CLASS_NAME_SHOW) || context._hoverState === HOVER_STATE_SHOW) {\n      context._hoverState = HOVER_STATE_SHOW\n      return\n    }\n\n    clearTimeout(context._timeout)\n\n    context._hoverState = HOVER_STATE_SHOW\n\n    if (!context.config.delay || !context.config.delay.show) {\n      context.show()\n      return\n    }\n\n    context._timeout = setTimeout(() => {\n      if (context._hoverState === HOVER_STATE_SHOW) {\n        context.show()\n      }\n    }, context.config.delay.show)\n  }\n\n  _leave(event, context) {\n    const dataKey = this.constructor.DATA_KEY\n    context = context || $(event.currentTarget).data(dataKey)\n\n    if (!context) {\n      context = new this.constructor(\n        event.currentTarget,\n        this._getDelegateConfig()\n      )\n      $(event.currentTarget).data(dataKey, context)\n    }\n\n    if (event) {\n      context._activeTrigger[\n        event.type === 'focusout' ? TRIGGER_FOCUS : TRIGGER_HOVER\n      ] = false\n    }\n\n    if (context._isWithActiveTrigger()) {\n      return\n    }\n\n    clearTimeout(context._timeout)\n\n    context._hoverState = HOVER_STATE_OUT\n\n    if (!context.config.delay || !context.config.delay.hide) {\n      context.hide()\n      return\n    }\n\n    context._timeout = setTimeout(() => {\n      if (context._hoverState === HOVER_STATE_OUT) {\n        context.hide()\n      }\n    }, context.config.delay.hide)\n  }\n\n  _isWithActiveTrigger() {\n    for (const trigger in this._activeTrigger) {\n      if (this._activeTrigger[trigger]) {\n        return true\n      }\n    }\n\n    return false\n  }\n\n  _getConfig(config) {\n    const dataAttributes = $(this.element).data()\n\n    Object.keys(dataAttributes)\n      .forEach((dataAttr) => {\n        if (DISALLOWED_ATTRIBUTES.indexOf(dataAttr) !== -1) {\n          delete dataAttributes[dataAttr]\n        }\n      })\n\n    config = {\n      ...this.constructor.Default,\n      ...dataAttributes,\n      ...typeof config === 'object' && config ? config : {}\n    }\n\n    if (typeof config.delay === 'number') {\n      config.delay = {\n        show: config.delay,\n        hide: config.delay\n      }\n    }\n\n    if (typeof config.title === 'number') {\n      config.title = config.title.toString()\n    }\n\n    if (typeof config.content === 'number') {\n      config.content = config.content.toString()\n    }\n\n    Util.typeCheckConfig(\n      NAME,\n      config,\n      this.constructor.DefaultType\n    )\n\n    if (config.sanitize) {\n      config.template = sanitizeHtml(config.template, config.whiteList, config.sanitizeFn)\n    }\n\n    return config\n  }\n\n  _getDelegateConfig() {\n    const config = {}\n\n    if (this.config) {\n      for (const key in this.config) {\n        if (this.constructor.Default[key] !== this.config[key]) {\n          config[key] = this.config[key]\n        }\n      }\n    }\n\n    return config\n  }\n\n  _cleanTipClass() {\n    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\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/util.min.js b/theme/boost/amd/build/bootstrap/util.min.js
index 611cadac8a0..28ef462122b 100644
--- a/theme/boost/amd/build/bootstrap/util.min.js
+++ b/theme/boost/amd/build/bootstrap/util.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=util.min.js.map
+define("theme_boost/bootstrap/util",["exports","jquery"],(function(_exports,_jquery){var obj;Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};function toType(obj){return null==obj?"".concat(obj):{}.toString.call(obj).match(/\s([a-z]+)/i)[1].toLowerCase()}function transitionEndEmulator(duration){var _this=this,called=!1;return(0,_jquery.default)(this).one(Util.TRANSITION_END,(function(){called=!0})),setTimeout((function(){called||Util.triggerTransitionEnd(_this)}),duration),this}var Util={TRANSITION_END:"bsTransitionEnd",getUID:function(prefix){do{prefix+=~~(1e6*Math.random())}while(document.getElementById(prefix));return prefix},getSelectorFromElement:function(element){var selector=element.getAttribute("data-target");if(!selector||"#"===selector){var hrefAttr=element.getAttribute("href");selector=hrefAttr&&"#"!==hrefAttr?hrefAttr.trim():""}try{return document.querySelector(selector)?selector:null}catch(err){return null}},getTransitionDurationFromElement:function(element){if(!element)return 0;var transitionDuration=(0,_jquery.default)(element).css("transition-duration"),transitionDelay=(0,_jquery.default)(element).css("transition-delay"),floatTransitionDuration=parseFloat(transitionDuration),floatTransitionDelay=parseFloat(transitionDelay);return floatTransitionDuration||floatTransitionDelay?(transitionDuration=transitionDuration.split(",")[0],transitionDelay=transitionDelay.split(",")[0],1e3*(parseFloat(transitionDuration)+parseFloat(transitionDelay))):0},reflow:function(element){return element.offsetHeight},triggerTransitionEnd:function(element){(0,_jquery.default)(element).trigger("transitionend")},supportsTransitionEnd:function(){return Boolean("transitionend")},isElement:function(obj){return(obj[0]||obj).nodeType},typeCheckConfig:function(componentName,config,configTypes){for(var property in configTypes)if(Object.prototype.hasOwnProperty.call(configTypes,property)){var expectedTypes=configTypes[property],value=config[property],valueType=value&&Util.isElement(value)?"element":toType(value);if(!new RegExp(expectedTypes).test(valueType))throw new Error("".concat(componentName.toUpperCase(),": ")+'Option "'.concat(property,'" provided type "').concat(valueType,'" ')+'but expected type "'.concat(expectedTypes,'".'))}},findShadowRoot:function(element){if(!document.documentElement.attachShadow)return null;if("function"==typeof element.getRootNode){var root=element.getRootNode();return root instanceof ShadowRoot?root:null}return element instanceof ShadowRoot?element:element.parentNode?Util.findShadowRoot(element.parentNode):null},jQueryDetection:function(){if(void 0===_jquery.default)throw new TypeError("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");var version=_jquery.default.fn.jquery.split(" ")[0].split(".");if(version[0]<2&&version[1]<9||1===version[0]&&9===version[1]&&version[2]<1||version[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}};Util.jQueryDetection(),_jquery.default.fn.emulateTransitionEnd=transitionEndEmulator,_jquery.default.event.special[Util.TRANSITION_END]={bindType:"transitionend",delegateType:"transitionend",handle:function(event){if((0,_jquery.default)(event.target).is(this))return event.handleObj.handler.apply(this,arguments)}};var _default=Util;return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=util.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/bootstrap/util.min.js.map b/theme/boost/amd/build/bootstrap/util.min.js.map
index ed17e6f9334..5ea6c058582 100644
--- a/theme/boost/amd/build/bootstrap/util.min.js.map
+++ b/theme/boost/amd/build/bootstrap/util.min.js.map
@@ -1 +1 @@
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($(event.target).is(this)) {\n        return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params\n      }\n      return undefined\n    }\n  }\n}\n\nfunction transitionEndEmulator(duration) {\n  let called = false\n\n  $(this).one(Util.TRANSITION_END, () => {\n    called = true\n  })\n\n  setTimeout(() => {\n    if (!called) {\n      Util.triggerTransitionEnd(this)\n    }\n  }, duration)\n\n  return this\n}\n\nfunction setTransitionEndSupport() {\n  $.fn.emulateTransitionEnd = transitionEndEmulator\n  $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()\n}\n\n/**\n * --------------------------------------------------------------------------\n * Public Util Api\n * --------------------------------------------------------------------------\n */\n\nconst Util = {\n  TRANSITION_END: 'bsTransitionEnd',\n\n  getUID(prefix) {\n    do {\n      // eslint-disable-next-line no-bitwise\n      prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n    } while (document.getElementById(prefix))\n    return prefix\n  },\n\n  getSelectorFromElement(element) {\n    let selector = element.getAttribute('data-target')\n\n    if (!selector || selector === '#') {\n      const hrefAttr = element.getAttribute('href')\n      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : ''\n    }\n\n    try {\n      return document.querySelector(selector) ? selector : null\n    } catch (err) {\n      return null\n    }\n  },\n\n  getTransitionDurationFromElement(element) {\n    if (!element) {\n      return 0\n    }\n\n    // Get transition-duration of the element\n    let transitionDuration = $(element).css('transition-duration')\n    let transitionDelay = $(element).css('transition-delay')\n\n    const floatTransitionDuration = parseFloat(transitionDuration)\n    const floatTransitionDelay = parseFloat(transitionDelay)\n\n    // Return 0 if element or transition duration is not found\n    if 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Util.isElement(value)\n          ? 'element' : toType(value)\n\n        if (!new RegExp(expectedTypes).test(valueType)) {\n          throw new Error(\n            `${componentName.toUpperCase()}: ` +\n            `Option \"${property}\" provided type \"${valueType}\" ` +\n            `but expected type \"${expectedTypes}\".`)\n        }\n      }\n    }\n  },\n\n  findShadowRoot(element) {\n    if (!document.documentElement.attachShadow) {\n      return null\n    }\n\n    // Can find the shadow root otherwise it'll return the document\n    if (typeof element.getRootNode === 'function') {\n      const root = element.getRootNode()\n      return root instanceof ShadowRoot ? root : null\n    }\n\n    if (element instanceof ShadowRoot) {\n      return element\n    }\n\n    // when we don't find a shadow root\n    if (!element.parentNode) {\n      return null\n    }\n\n    return Util.findShadowRoot(element.parentNode)\n  },\n\n  jQueryDetection() {\n    if (typeof $ === 'undefined') {\n      throw new TypeError('Bootstrap\\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\\'s JavaScript.')\n    }\n\n    const version = $.fn.jquery.split(' ')[0].split('.')\n    const minMajor = 1\n    const ltMajor = 2\n    const minMinor = 9\n    const minPatch = 1\n    const maxMajor = 4\n\n    if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {\n      throw new Error('Bootstrap\\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0')\n    }\n  }\n}\n\nUtil.jQueryDetection()\nsetTransitionEndSupport()\n\nexport default Util\n"],"file":"util.min.js"}
\ No newline at end of file
+{"version":3,"file":"util.min.js","sources":["../../src/bootstrap/util.js"],"sourcesContent":["/**\n * --------------------------------------------------------------------------\n * Bootstrap (v4.5.0): util.js\n * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)\n * --------------------------------------------------------------------------\n */\n\nimport $ from 'jquery'\n\n/**\n * ------------------------------------------------------------------------\n * Private TransitionEnd Helpers\n * ------------------------------------------------------------------------\n */\n\nconst TRANSITION_END = 'transitionend'\nconst MAX_UID = 1000000\nconst MILLISECONDS_MULTIPLIER = 1000\n\n// Shoutout AngusCroll (https://goo.gl/pxwQGp)\nfunction toType(obj) {\n  if (obj === null || typeof obj === 'undefined') {\n    return `${obj}`\n  }\n\n  return {}.toString.call(obj).match(/\\s([a-z]+)/i)[1].toLowerCase()\n}\n\nfunction getSpecialTransitionEndEvent() {\n  return {\n    bindType: TRANSITION_END,\n    delegateType: TRANSITION_END,\n    handle(event) {\n      if ($(event.target).is(this)) {\n        return event.handleObj.handler.apply(this, arguments) // eslint-disable-line prefer-rest-params\n      }\n      return undefined\n    }\n  }\n}\n\nfunction transitionEndEmulator(duration) {\n  let called = false\n\n  $(this).one(Util.TRANSITION_END, () => {\n    called = true\n  })\n\n  setTimeout(() => {\n    if (!called) {\n      Util.triggerTransitionEnd(this)\n    }\n  }, duration)\n\n  return this\n}\n\nfunction setTransitionEndSupport() {\n  $.fn.emulateTransitionEnd = transitionEndEmulator\n  $.event.special[Util.TRANSITION_END] = getSpecialTransitionEndEvent()\n}\n\n/**\n * --------------------------------------------------------------------------\n * Public Util Api\n * --------------------------------------------------------------------------\n */\n\nconst Util = {\n  TRANSITION_END: 'bsTransitionEnd',\n\n  getUID(prefix) {\n    do {\n      // eslint-disable-next-line no-bitwise\n      prefix += ~~(Math.random() * MAX_UID) // \"~~\" acts like a faster Math.floor() here\n    } while (document.getElementById(prefix))\n    return prefix\n  },\n\n  getSelectorFromElement(element) {\n    let selector = element.getAttribute('data-target')\n\n    if (!selector || selector === '#') {\n      const hrefAttr = element.getAttribute('href')\n      selector = hrefAttr && hrefAttr !== '#' ? hrefAttr.trim() : ''\n    }\n\n    try {\n      return document.querySelector(selector) ? selector : null\n    } catch (err) {\n      return null\n    }\n  },\n\n  getTransitionDurationFromElement(element) {\n    if (!element) {\n      return 0\n    }\n\n    // Get transition-duration of the element\n    let transitionDuration = $(element).css('transition-duration')\n    let transitionDelay = $(element).css('transition-delay')\n\n    const floatTransitionDuration = parseFloat(transitionDuration)\n    const floatTransitionDelay = parseFloat(transitionDelay)\n\n    // Return 0 if element or transition duration is not found\n    if (!floatTransitionDuration && !floatTransitionDelay) {\n      return 0\n    }\n\n    // If multiple durations are defined, take the first\n    transitionDuration = transitionDuration.split(',')[0]\n    transitionDelay = transitionDelay.split(',')[0]\n\n    return (parseFloat(transitionDuration) + parseFloat(transitionDelay)) * MILLISECONDS_MULTIPLIER\n  },\n\n  reflow(element) {\n    return element.offsetHeight\n  },\n\n  triggerTransitionEnd(element) {\n    $(element).trigger(TRANSITION_END)\n  },\n\n  // TODO: Remove in v5\n  supportsTransitionEnd() {\n    return Boolean(TRANSITION_END)\n  },\n\n  isElement(obj) {\n    return (obj[0] || obj).nodeType\n  },\n\n  typeCheckConfig(componentName, config, configTypes) {\n    for (const property in configTypes) {\n      if (Object.prototype.hasOwnProperty.call(configTypes, property)) {\n        const expectedTypes = configTypes[property]\n        const value         = config[property]\n        const valueType     = value && Util.isElement(value)\n          ? 'element' : toType(value)\n\n        if (!new RegExp(expectedTypes).test(valueType)) {\n          throw new Error(\n            `${componentName.toUpperCase()}: ` +\n            `Option \"${property}\" provided type \"${valueType}\" ` +\n            `but expected type \"${expectedTypes}\".`)\n        }\n      }\n    }\n  },\n\n  findShadowRoot(element) {\n    if (!document.documentElement.attachShadow) {\n      return null\n    }\n\n    // Can find the shadow root otherwise it'll return the document\n    if (typeof element.getRootNode === 'function') {\n      const root = element.getRootNode()\n      return root instanceof ShadowRoot ? root : null\n    }\n\n    if (element instanceof ShadowRoot) {\n      return element\n    }\n\n    // when we don't find a shadow root\n    if (!element.parentNode) {\n      return null\n    }\n\n    return Util.findShadowRoot(element.parentNode)\n  },\n\n  jQueryDetection() {\n    if (typeof $ === 'undefined') {\n      throw new TypeError('Bootstrap\\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\\'s JavaScript.')\n    }\n\n    const version = $.fn.jquery.split(' ')[0].split('.')\n    const minMajor = 1\n    const ltMajor = 2\n    const minMinor = 9\n    const minPatch = 1\n    const maxMajor = 4\n\n    if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {\n      throw new Error('Bootstrap\\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0')\n    }\n  }\n}\n\nUtil.jQueryDetection()\nsetTransitionEndSupport()\n\nexport default Util\n"],"names":["toType","obj","toString","call","match","toLowerCase","transitionEndEmulator","duration","called","this","one","Util","TRANSITION_END","setTimeout","triggerTransitionEnd","_this","getUID","prefix","Math","random","document","getElementById","getSelectorFromElement","element","selector","getAttribute","hrefAttr","trim","querySelector","err","getTransitionDurationFromElement","transitionDuration","css","transitionDelay","floatTransitionDuration","parseFloat","floatTransitionDelay","split","reflow","offsetHeight","trigger","supportsTransitionEnd","Boolean","isElement","nodeType","typeCheckConfig","componentName","config","configTypes","property","Object","prototype","hasOwnProperty","expectedTypes","value","valueType","RegExp","test","Error","toUpperCase","findShadowRoot","documentElement","attachShadow","getRootNode","root","ShadowRoot","parentNode","jQueryDetection","$","TypeError","version","fn","jquery","emulateTransitionEnd","event","special","bindType","delegateType","handle","target","is","handleObj","handler","apply","arguments"],"mappings":"8OAoBSA,OAAOC,YACVA,MAAAA,cACQA,KAGL,GAAGC,SAASC,KAAKF,KAAKG,MAAM,eAAe,GAAGC,uBAgB9CC,sBAAsBC,yBACzBC,QAAS,4BAEXC,MAAMC,IAAIC,KAAKC,gBAAgB,WAC/BJ,QAAS,KAGXK,YAAW,WACJL,QACHG,KAAKG,qBAAqBC,SAE3BR,UAEIE,SAcHE,KAAO,CACXC,eAAgB,kBAEhBI,gBAAOC,WAGHA,WA1DU,IA0DGC,KAAKC,gBACXC,SAASC,eAAeJ,gBAC1BA,QAGTK,gCAAuBC,aACjBC,SAAWD,QAAQE,aAAa,mBAE/BD,UAAyB,MAAbA,SAAkB,KAC3BE,SAAWH,QAAQE,aAAa,QACtCD,SAAWE,UAAyB,MAAbA,SAAmBA,SAASC,OAAS,cAIrDP,SAASQ,cAAcJ,UAAYA,SAAW,KACrD,MAAOK,YACA,OAIXC,0CAAiCP,aAC1BA,eACI,MAILQ,oBAAqB,mBAAER,SAASS,IAAI,uBACpCC,iBAAkB,mBAAEV,SAASS,IAAI,oBAE/BE,wBAA0BC,WAAWJ,oBACrCK,qBAAuBD,WAAWF,wBAGnCC,yBAA4BE,sBAKjCL,mBAAqBA,mBAAmBM,MAAM,KAAK,GACnDJ,gBAAkBA,gBAAgBI,MAAM,KAAK,GAhGjB,KAkGpBF,WAAWJ,oBAAsBI,WAAWF,mBAP3C,GAUXK,gBAAOf,gBACEA,QAAQgB,cAGjBzB,8BAAqBS,6BACjBA,SAASiB,QA5GQ,kBAgHrBC,wCACSC,QAjHY,kBAoHrBC,mBAAU1C,YACAA,IAAI,IAAMA,KAAK2C,UAGzBC,yBAAgBC,cAAeC,OAAQC,iBAChC,IAAMC,YAAYD,eACjBE,OAAOC,UAAUC,eAAejD,KAAK6C,YAAaC,UAAW,KACzDI,cAAgBL,YAAYC,UAC5BK,MAAgBP,OAAOE,UACvBM,UAAgBD,OAAS3C,KAAKgC,UAAUW,OAC1C,UAAYtD,OAAOsD,WAElB,IAAIE,OAAOH,eAAeI,KAAKF,iBAC5B,IAAIG,MACR,UAAGZ,cAAca,sCACNV,qCAA4BM,6CACjBF,uBAMhCO,wBAAerC,aACRH,SAASyC,gBAAgBC,oBACrB,QAI0B,mBAAxBvC,QAAQwC,YAA4B,KACvCC,KAAOzC,QAAQwC,qBACdC,gBAAgBC,WAAaD,KAAO,YAGzCzC,mBAAmB0C,WACd1C,QAIJA,QAAQ2C,WAINvD,KAAKiD,eAAerC,QAAQ2C,YAH1B,MAMXC,mCACmB,IAANC,sBACH,IAAIC,UAAU,sGAGhBC,QAAUF,gBAAEG,GAAGC,OAAOnC,MAAM,KAAK,GAAGA,MAAM,QAO5CiC,QAAQ,GALI,GAKYA,QAAQ,GAJnB,GAFA,IAMoCA,QAAQ,IAJ5C,IAI+DA,QAAQ,IAAmBA,QAAQ,GAHlG,GAGmHA,QAAQ,IAF3H,QAGT,IAAIZ,MAAM,iFAKtB/C,KAAKwD,kCAxIDI,GAAGE,qBAAuBnE,sCAC1BoE,MAAMC,QAAQhE,KAAKC,gBA9Bd,CACLgE,SAfmB,gBAgBnBC,aAhBmB,gBAiBnBC,gBAAOJ,WACD,mBAAEA,MAAMK,QAAQC,GAAGvE,aACdiE,MAAMO,UAAUC,QAAQC,MAAM1E,KAAM2E,0BAmKpCzE"}
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diff --git a/theme/boost/amd/build/drawer.min.js b/theme/boost/amd/build/drawer.min.js
index 3fe69acc313..5c7c9e8f33b 100644
--- a/theme/boost/amd/build/drawer.min.js
+++ b/theme/boost/amd/build/drawer.min.js
@@ -1,2 +1,10 @@
-define ("theme_boost/drawer",["jquery","core/custom_interaction_events","core/log","core/pubsub"],function(a,b,c,d){var f={TOGGLE_REGION:"[data-region=\"drawer-toggle\"]",TOGGLE_ACTION:"[data-action=\"toggle-drawer\"]",TOGGLE_TARGET:"aria-controls",TOGGLE_SIDE:"left",BODY:"body",SECTION:".list-group-item[href*=\"#section-\"]",DRAWER:"#nav-drawer"},g=768>a(document).width(),h=function(){if(!a(f.TOGGLE_REGION).length){c.debug("Page is missing a drawer region")}if(!a(f.TOGGLE_ACTION).length){c.debug("Page is missing a drawer toggle link")}a(f.TOGGLE_REGION).each(function(b,c){var d=a(c).find(f.TOGGLE_ACTION),e=d.attr("aria-controls"),h=a(document.getElementById(e)),i="false"==d.attr("aria-expanded"),j=d.attr("data-side"),k=a(f.BODY),l=d.attr("data-preference");if(g){M.util.set_user_preference(l,"false")}h.on("mousewheel DOMMouseScroll",this.preventPageScroll);if(!i){k.addClass("drawer-open-"+j);d.attr("aria-expanded","true")}else{d.attr("aria-expanded","false")}}.bind(this));this.registerEventListeners();if(g){this.closeAll()}};h.prototype.closeAll=function(){a(f.TOGGLE_REGION).each(function(b,c){var d=a(c).find(f.TOGGLE_ACTION),e=d.attr("data-side"),h=a(f.BODY),i=d.attr("aria-controls"),j=a(document.getElementById(i)),k=d.attr("data-preference");d.attr("aria-expanded","false");h.removeClass("drawer-open-"+e);j.attr("aria-hidden","true");j.addClass("closed");if(!g){M.util.set_user_preference(k,"false")}})};h.prototype.toggleDrawer=function(b){var c=a(b.target).closest("[data-action=toggle-drawer]"),e=c.attr("aria-controls"),h=a(document.getElementById(e)),i=a(f.BODY),j=c.attr("data-side"),k=c.attr("data-preference");if(g){M.util.set_user_preference(k,"false")}i.addClass("drawer-ease");var l="true"==c.attr("aria-expanded");if(!l){c.attr("aria-expanded","true");h.attr("aria-hidden","false");h.focus();i.addClass("drawer-open-"+j);h.removeClass("closed");if(!g){M.util.set_user_preference(k,"true")}}else{i.removeClass("drawer-open-"+j);c.attr("aria-expanded","false");h.addClass("closed").delay(500).queue(function(){if(a(this).hasClass("closed")){a(this).attr("aria-hidden","true")}a(this).dequeue()});if(!g){M.util.set_user_preference(k,"false")}}d.publish("nav-drawer-toggle-start",l)};h.prototype.preventPageScroll=function(b){var c=b.wheelDelta||b.originalEvent&&b.originalEvent.wheelDelta||-b.originalEvent.detail,d=0<=this.scrollTop+a(this).outerHeight()-this.scrollHeight,e=0>=this.scrollTop;if(0>c&&d||0<c&&e){b.preventDefault()}};h.prototype.registerEventListeners=function(){a(f.TOGGLE_ACTION).each(function(c,d){b.define(a(d),[b.events.activate]);a(d).on(b.events.activate,function(a,b){this.toggleDrawer(b.originalEvent);b.originalEvent.preventDefault()}.bind(this))}.bind(this));a(f.SECTION).click(function(){if(g){this.closeAll()}}.bind(this));a(f.DRAWER).on("webkitTransitionEnd msTransitionEnd transitionend",function(b){var c=a(b.target).closest(f.DRAWER),e="false"==c.attr("aria-hidden");d.publish("nav-drawer-toggle-end",e)})};return{init:function init(){return new h}}});
-//# sourceMappingURL=drawer.min.js.map
+/**
+ * Contain the logic for a drawer.
+ *
+ * @package    theme_boost
+ * @copyright  2016 Damyon Wiese
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("theme_boost/drawer",["jquery","core/custom_interaction_events","core/log","core/pubsub"],(function($,CustomEvents,Log,PubSub){var SELECTORS_TOGGLE_REGION='[data-region="drawer-toggle"]',SELECTORS_TOGGLE_ACTION='[data-action="toggle-drawer"]',SELECTORS_BODY="body",SELECTORS_SECTION='.list-group-item[href*="#section-"]',SELECTORS_DRAWER="#nav-drawer",small=$(document).width()<768,Drawer=function(){$(SELECTORS_TOGGLE_REGION).length||Log.debug("Page is missing a drawer region"),$(SELECTORS_TOGGLE_ACTION).length||Log.debug("Page is missing a drawer toggle link"),$(SELECTORS_TOGGLE_REGION).each(function(index,ele){var trigger=$(ele).find(SELECTORS_TOGGLE_ACTION),drawerid=trigger.attr("aria-controls"),drawer=$(document.getElementById(drawerid)),hidden="false"==trigger.attr("aria-expanded"),side=trigger.attr("data-side"),body=$(SELECTORS_BODY),preference=trigger.attr("data-preference");small&&M.util.set_user_preference(preference,"false"),drawer.on("mousewheel DOMMouseScroll",this.preventPageScroll),hidden?trigger.attr("aria-expanded","false"):(body.addClass("drawer-open-"+side),trigger.attr("aria-expanded","true"))}.bind(this)),this.registerEventListeners(),small&&this.closeAll()};return Drawer.prototype.closeAll=function(){$(SELECTORS_TOGGLE_REGION).each((function(index,ele){var trigger=$(ele).find(SELECTORS_TOGGLE_ACTION),side=trigger.attr("data-side"),body=$(SELECTORS_BODY),drawerid=trigger.attr("aria-controls"),drawer=$(document.getElementById(drawerid)),preference=trigger.attr("data-preference");trigger.attr("aria-expanded","false"),body.removeClass("drawer-open-"+side),drawer.attr("aria-hidden","true"),drawer.addClass("closed"),small||M.util.set_user_preference(preference,"false")}))},Drawer.prototype.toggleDrawer=function(e){var trigger=$(e.target).closest("[data-action=toggle-drawer]"),drawerid=trigger.attr("aria-controls"),drawer=$(document.getElementById(drawerid)),body=$(SELECTORS_BODY),side=trigger.attr("data-side"),preference=trigger.attr("data-preference");small&&M.util.set_user_preference(preference,"false"),body.addClass("drawer-ease");var open="true"==trigger.attr("aria-expanded");open?(body.removeClass("drawer-open-"+side),trigger.attr("aria-expanded","false"),drawer.addClass("closed").delay(500).queue((function(){$(this).hasClass("closed")&&$(this).attr("aria-hidden","true"),$(this).dequeue()})),small||M.util.set_user_preference(preference,"false")):(trigger.attr("aria-expanded","true"),drawer.attr("aria-hidden","false"),drawer.focus(),body.addClass("drawer-open-"+side),drawer.removeClass("closed"),small||M.util.set_user_preference(preference,"true")),PubSub.publish("nav-drawer-toggle-start",open)},Drawer.prototype.preventPageScroll=function(e){var delta=e.wheelDelta||e.originalEvent&&e.originalEvent.wheelDelta||-e.originalEvent.detail,bottomOverflow=this.scrollTop+$(this).outerHeight()-this.scrollHeight>=0,topOverflow=this.scrollTop<=0;(delta<0&&bottomOverflow||delta>0&&topOverflow)&&e.preventDefault()},Drawer.prototype.registerEventListeners=function(){$(SELECTORS_TOGGLE_ACTION).each(function(index,element){CustomEvents.define($(element),[CustomEvents.events.activate]),$(element).on(CustomEvents.events.activate,function(e,data){this.toggleDrawer(data.originalEvent),data.originalEvent.preventDefault()}.bind(this))}.bind(this)),$(SELECTORS_SECTION).click(function(){small&&this.closeAll()}.bind(this)),$(SELECTORS_DRAWER).on("webkitTransitionEnd msTransitionEnd transitionend",(function(e){var open="false"==$(e.target).closest(SELECTORS_DRAWER).attr("aria-hidden");PubSub.publish("nav-drawer-toggle-end",open)}))},{init:function(){return new Drawer}}}));
+
+//# sourceMappingURL=drawer.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/drawer.min.js.map b/theme/boost/amd/build/drawer.min.js.map
index 9534b8a69a5..73735a9edc7 100644
--- a/theme/boost/amd/build/drawer.min.js.map
+++ b/theme/boost/amd/build/drawer.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for a drawer.\n *\n * @package    theme_boost\n * @copyright  2016 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/custom_interaction_events', 'core/log', 'core/pubsub'],\n     function($, CustomEvents, Log, PubSub) {\n\n    var SELECTORS = {\n        TOGGLE_REGION: '[data-region=\"drawer-toggle\"]',\n        TOGGLE_ACTION: '[data-action=\"toggle-drawer\"]',\n        TOGGLE_TARGET: 'aria-controls',\n        TOGGLE_SIDE: 'left',\n        BODY: 'body',\n        SECTION: '.list-group-item[href*=\"#section-\"]',\n        DRAWER: '#nav-drawer'\n    };\n\n    var small = $(document).width() < 768;\n\n    /**\n     * Constructor for the Drawer.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var Drawer = function() {\n\n        if (!$(SELECTORS.TOGGLE_REGION).length) {\n            Log.debug('Page is missing a drawer region');\n        }\n        if (!$(SELECTORS.TOGGLE_ACTION).length) {\n            Log.debug('Page is missing a drawer toggle link');\n        }\n        $(SELECTORS.TOGGLE_REGION).each(function(index, ele) {\n            var trigger = $(ele).find(SELECTORS.TOGGLE_ACTION);\n            var drawerid = trigger.attr('aria-controls');\n            var drawer = $(document.getElementById(drawerid));\n            var hidden = trigger.attr('aria-expanded') == 'false';\n            var side = trigger.attr('data-side');\n            var body = $(SELECTORS.BODY);\n            var preference = trigger.attr('data-preference');\n            if (small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n\n            drawer.on('mousewheel DOMMouseScroll', this.preventPageScroll);\n\n            if (!hidden) {\n                body.addClass('drawer-open-' + side);\n                trigger.attr('aria-expanded', 'true');\n            } else {\n                trigger.attr('aria-expanded', 'false');\n            }\n        }.bind(this));\n\n        this.registerEventListeners();\n        if (small) {\n            this.closeAll();\n        }\n    };\n\n    Drawer.prototype.closeAll = function() {\n        $(SELECTORS.TOGGLE_REGION).each(function(index, ele) {\n            var trigger = $(ele).find(SELECTORS.TOGGLE_ACTION);\n            var side = trigger.attr('data-side');\n            var body = $(SELECTORS.BODY);\n            var drawerid = trigger.attr('aria-controls');\n            var drawer = $(document.getElementById(drawerid));\n            var preference = trigger.attr('data-preference');\n\n            trigger.attr('aria-expanded', 'false');\n            body.removeClass('drawer-open-' + side);\n            drawer.attr('aria-hidden', 'true');\n            drawer.addClass('closed');\n            if (!small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n        });\n    };\n\n    /**\n     * Open / close the blocks drawer.\n     *\n     * @method toggleDrawer\n     * @param {Event} e\n     */\n    Drawer.prototype.toggleDrawer = function(e) {\n        var trigger = $(e.target).closest('[data-action=toggle-drawer]');\n        var drawerid = trigger.attr('aria-controls');\n        var drawer = $(document.getElementById(drawerid));\n        var body = $(SELECTORS.BODY);\n        var side = trigger.attr('data-side');\n        var preference = trigger.attr('data-preference');\n        if (small) {\n            M.util.set_user_preference(preference, 'false');\n        }\n\n        body.addClass('drawer-ease');\n        var open = trigger.attr('aria-expanded') == 'true';\n        if (!open) {\n            // Open.\n            trigger.attr('aria-expanded', 'true');\n            drawer.attr('aria-hidden', 'false');\n            drawer.focus();\n            body.addClass('drawer-open-' + side);\n            drawer.removeClass('closed');\n            if (!small) {\n                M.util.set_user_preference(preference, 'true');\n            }\n        } else {\n            // Close.\n            body.removeClass('drawer-open-' + side);\n            trigger.attr('aria-expanded', 'false');\n            drawer.addClass('closed').delay(500).queue(function() {\n                // Ensure that during the delay, the drawer wasn't re-opened.\n                if ($(this).hasClass('closed')) {\n                    $(this).attr('aria-hidden', 'true');\n                }\n                $(this).dequeue();\n            });\n            if (!small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n        }\n\n        // Publish an event to tell everything that the drawer has been toggled.\n        // The drawer transitions closed so another event will fire once teh transition\n        // has completed.\n        PubSub.publish('nav-drawer-toggle-start', open);\n    };\n\n    /**\n     * Prevent the page from scrolling when the drawer is at max scroll.\n     *\n     * @method preventPageScroll\n     * @param  {Event} e\n     */\n    Drawer.prototype.preventPageScroll = function(e) {\n        var delta = e.wheelDelta || (e.originalEvent && e.originalEvent.wheelDelta) || -e.originalEvent.detail,\n            bottomOverflow = (this.scrollTop + $(this).outerHeight() - this.scrollHeight) >= 0,\n            topOverflow = this.scrollTop <= 0;\n\n        if ((delta < 0 && bottomOverflow) || (delta > 0 && topOverflow)) {\n            e.preventDefault();\n        }\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    Drawer.prototype.registerEventListeners = function() {\n\n        $(SELECTORS.TOGGLE_ACTION).each(function(index, element) {\n            CustomEvents.define($(element), [CustomEvents.events.activate]);\n            $(element).on(CustomEvents.events.activate, function(e, data) {\n                this.toggleDrawer(data.originalEvent);\n                data.originalEvent.preventDefault();\n            }.bind(this));\n        }.bind(this));\n\n        $(SELECTORS.SECTION).click(function() {\n            if (small) {\n                this.closeAll();\n            }\n        }.bind(this));\n\n        // Publish an event to tell everything that the drawer completed the transition\n        // to either an open or closed state.\n        $(SELECTORS.DRAWER).on('webkitTransitionEnd msTransitionEnd transitionend', function(e) {\n            var drawer = $(e.target).closest(SELECTORS.DRAWER);\n            var open = drawer.attr('aria-hidden') == 'false';\n            PubSub.publish('nav-drawer-toggle-end', open);\n        });\n    };\n\n    return {\n        'init': function() {\n            return new Drawer();\n        }\n    };\n});\n"],"file":"drawer.min.js"}
\ No newline at end of file
+{"version":3,"file":"drawer.min.js","sources":["../src/drawer.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Contain the logic for a drawer.\n *\n * @package    theme_boost\n * @copyright  2016 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/custom_interaction_events', 'core/log', 'core/pubsub'],\n     function($, CustomEvents, Log, PubSub) {\n\n    var SELECTORS = {\n        TOGGLE_REGION: '[data-region=\"drawer-toggle\"]',\n        TOGGLE_ACTION: '[data-action=\"toggle-drawer\"]',\n        TOGGLE_TARGET: 'aria-controls',\n        TOGGLE_SIDE: 'left',\n        BODY: 'body',\n        SECTION: '.list-group-item[href*=\"#section-\"]',\n        DRAWER: '#nav-drawer'\n    };\n\n    var small = $(document).width() < 768;\n\n    /**\n     * Constructor for the Drawer.\n     *\n     * @param {object} root The root jQuery element for the modal\n     */\n    var Drawer = function() {\n\n        if (!$(SELECTORS.TOGGLE_REGION).length) {\n            Log.debug('Page is missing a drawer region');\n        }\n        if (!$(SELECTORS.TOGGLE_ACTION).length) {\n            Log.debug('Page is missing a drawer toggle link');\n        }\n        $(SELECTORS.TOGGLE_REGION).each(function(index, ele) {\n            var trigger = $(ele).find(SELECTORS.TOGGLE_ACTION);\n            var drawerid = trigger.attr('aria-controls');\n            var drawer = $(document.getElementById(drawerid));\n            var hidden = trigger.attr('aria-expanded') == 'false';\n            var side = trigger.attr('data-side');\n            var body = $(SELECTORS.BODY);\n            var preference = trigger.attr('data-preference');\n            if (small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n\n            drawer.on('mousewheel DOMMouseScroll', this.preventPageScroll);\n\n            if (!hidden) {\n                body.addClass('drawer-open-' + side);\n                trigger.attr('aria-expanded', 'true');\n            } else {\n                trigger.attr('aria-expanded', 'false');\n            }\n        }.bind(this));\n\n        this.registerEventListeners();\n        if (small) {\n            this.closeAll();\n        }\n    };\n\n    Drawer.prototype.closeAll = function() {\n        $(SELECTORS.TOGGLE_REGION).each(function(index, ele) {\n            var trigger = $(ele).find(SELECTORS.TOGGLE_ACTION);\n            var side = trigger.attr('data-side');\n            var body = $(SELECTORS.BODY);\n            var drawerid = trigger.attr('aria-controls');\n            var drawer = $(document.getElementById(drawerid));\n            var preference = trigger.attr('data-preference');\n\n            trigger.attr('aria-expanded', 'false');\n            body.removeClass('drawer-open-' + side);\n            drawer.attr('aria-hidden', 'true');\n            drawer.addClass('closed');\n            if (!small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n        });\n    };\n\n    /**\n     * Open / close the blocks drawer.\n     *\n     * @method toggleDrawer\n     * @param {Event} e\n     */\n    Drawer.prototype.toggleDrawer = function(e) {\n        var trigger = $(e.target).closest('[data-action=toggle-drawer]');\n        var drawerid = trigger.attr('aria-controls');\n        var drawer = $(document.getElementById(drawerid));\n        var body = $(SELECTORS.BODY);\n        var side = trigger.attr('data-side');\n        var preference = trigger.attr('data-preference');\n        if (small) {\n            M.util.set_user_preference(preference, 'false');\n        }\n\n        body.addClass('drawer-ease');\n        var open = trigger.attr('aria-expanded') == 'true';\n        if (!open) {\n            // Open.\n            trigger.attr('aria-expanded', 'true');\n            drawer.attr('aria-hidden', 'false');\n            drawer.focus();\n            body.addClass('drawer-open-' + side);\n            drawer.removeClass('closed');\n            if (!small) {\n                M.util.set_user_preference(preference, 'true');\n            }\n        } else {\n            // Close.\n            body.removeClass('drawer-open-' + side);\n            trigger.attr('aria-expanded', 'false');\n            drawer.addClass('closed').delay(500).queue(function() {\n                // Ensure that during the delay, the drawer wasn't re-opened.\n                if ($(this).hasClass('closed')) {\n                    $(this).attr('aria-hidden', 'true');\n                }\n                $(this).dequeue();\n            });\n            if (!small) {\n                M.util.set_user_preference(preference, 'false');\n            }\n        }\n\n        // Publish an event to tell everything that the drawer has been toggled.\n        // The drawer transitions closed so another event will fire once teh transition\n        // has completed.\n        PubSub.publish('nav-drawer-toggle-start', open);\n    };\n\n    /**\n     * Prevent the page from scrolling when the drawer is at max scroll.\n     *\n     * @method preventPageScroll\n     * @param  {Event} e\n     */\n    Drawer.prototype.preventPageScroll = function(e) {\n        var delta = e.wheelDelta || (e.originalEvent && e.originalEvent.wheelDelta) || -e.originalEvent.detail,\n            bottomOverflow = (this.scrollTop + $(this).outerHeight() - this.scrollHeight) >= 0,\n            topOverflow = this.scrollTop <= 0;\n\n        if ((delta < 0 && bottomOverflow) || (delta > 0 && topOverflow)) {\n            e.preventDefault();\n        }\n    };\n\n    /**\n     * Set up all of the event handling for the modal.\n     *\n     * @method registerEventListeners\n     */\n    Drawer.prototype.registerEventListeners = function() {\n\n        $(SELECTORS.TOGGLE_ACTION).each(function(index, element) {\n            CustomEvents.define($(element), [CustomEvents.events.activate]);\n            $(element).on(CustomEvents.events.activate, function(e, data) {\n                this.toggleDrawer(data.originalEvent);\n                data.originalEvent.preventDefault();\n            }.bind(this));\n        }.bind(this));\n\n        $(SELECTORS.SECTION).click(function() {\n            if (small) {\n                this.closeAll();\n            }\n        }.bind(this));\n\n        // Publish an event to tell everything that the drawer completed the transition\n        // to either an open or closed state.\n        $(SELECTORS.DRAWER).on('webkitTransitionEnd msTransitionEnd transitionend', function(e) {\n            var drawer = $(e.target).closest(SELECTORS.DRAWER);\n            var open = drawer.attr('aria-hidden') == 'false';\n            PubSub.publish('nav-drawer-toggle-end', open);\n        });\n    };\n\n    return {\n        'init': function() {\n            return new Drawer();\n        }\n    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\ No newline at end of file
diff --git a/theme/boost/amd/build/form-display-errors.min.js b/theme/boost/amd/build/form-display-errors.min.js
index fa6511c5681..c9a3a10c6d0 100644
--- a/theme/boost/amd/build/form-display-errors.min.js
+++ b/theme/boost/amd/build/form-display-errors.min.js
@@ -1,2 +1,11 @@
-define ("theme_boost/form-display-errors",["jquery","core/event"],function(a,b){return{enhance:function enhance(c){var d=document.getElementById(c);if(!d){return}a(d).on(b.Events.FORM_FIELD_VALIDATION,function(b,c){b.preventDefault();var e=a(d).closest(".form-group"),f=e.find(".form-control-feedback"),g=f.attr("id"),h=a(d).attr("aria-describedby");if("undefined"==typeof h){h=""}var i=[];if(h.length){i=h.split(" ")}var j=i.indexOf(g);if("TEXTAREA"==a(d).prop("tagName")&&e.find("[contenteditable]")){d=e.find("[contenteditable]")}if(""!==c){e.addClass("has-danger");e.data("client-validation-error",!0);a(d).addClass("is-invalid");if(-1===j){i.push(g);a(d).attr("aria-describedby",i.join(" "))}a(d).attr("aria-invalid",!0);f.attr("tabindex",0);f.html(c);if(!f.is(":visible")){f.show();f.focus()}}else{if(!0===e.data("client-validation-error")){e.removeClass("has-danger");e.data("client-validation-error",!1);a(d).removeClass("is-invalid");if(-1<j){i.splice(j,1)}if(i.length){h=i.join(" ");a(d).attr("aria-describedby",h)}else{a(d).removeAttr("aria-describedby")}a(d).attr("aria-invalid",!1);f.hide()}}});var e=d.closest("form");if(e&&!("boostFormErrorsEnhanced"in e.dataset)){e.addEventListener("submit",function(){var b=a(".form-control-feedback:visible");if(b.length){b[0].focus()}});e.dataset.boostFormErrorsEnhanced=1}}}});
-//# sourceMappingURL=form-display-errors.min.js.map
+/**
+ * Custom form error event handler to manipulate the bootstrap markup and show
+ * nicely styled errors in an mform.
+ *
+ * @module     theme_boost/form-display-errors
+ * @copyright  2016 Damyon Wiese <damyon@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("theme_boost/form-display-errors",["jquery","core/event"],(function($,Event){return{enhance:function(elementid){var element=document.getElementById(elementid);if(element){$(element).on(Event.Events.FORM_FIELD_VALIDATION,(function(event,msg){event.preventDefault();var parent=$(element).closest(".form-group"),feedback=parent.find(".form-control-feedback"),feedbackId=feedback.attr("id"),describedBy=$(element).attr("aria-describedby");void 0===describedBy&&(describedBy="");var describedByIds=[];describedBy.length&&(describedByIds=describedBy.split(" "));var feedbackIndex=describedByIds.indexOf(feedbackId);"TEXTAREA"==$(element).prop("tagName")&&parent.find("[contenteditable]")&&(element=parent.find("[contenteditable]")),""!==msg?(parent.addClass("has-danger"),parent.data("client-validation-error",!0),$(element).addClass("is-invalid"),-1===feedbackIndex&&(describedByIds.push(feedbackId),$(element).attr("aria-describedby",describedByIds.join(" "))),$(element).attr("aria-invalid",!0),feedback.attr("tabindex",0),feedback.html(msg),feedback.is(":visible")||(feedback.show(),feedback.focus())):!0===parent.data("client-validation-error")&&(parent.removeClass("has-danger"),parent.data("client-validation-error",!1),$(element).removeClass("is-invalid"),feedbackIndex>-1&&describedByIds.splice(feedbackIndex,1),describedByIds.length?(describedBy=describedByIds.join(" "),$(element).attr("aria-describedby",describedBy)):$(element).removeAttr("aria-describedby"),$(element).attr("aria-invalid",!1),feedback.hide())}));var form=element.closest("form");form&&!("boostFormErrorsEnhanced"in form.dataset)&&(form.addEventListener("submit",(function(){var visibleError=$(".form-control-feedback:visible");visibleError.length&&visibleError[0].focus()})),form.dataset.boostFormErrorsEnhanced=1)}}}}));
+
+//# sourceMappingURL=form-display-errors.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/form-display-errors.min.js.map b/theme/boost/amd/build/form-display-errors.min.js.map
index c9550085404..06148a0f5e6 100644
--- a/theme/boost/amd/build/form-display-errors.min.js.map
+++ b/theme/boost/amd/build/form-display-errors.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Custom form error event handler to manipulate the bootstrap markup and show\n * nicely styled errors in an mform.\n *\n * @module     theme_boost/form-display-errors\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/event'], function($, Event) {\n    return {\n        enhance: function(elementid) {\n            var element = document.getElementById(elementid);\n            if (!element) {\n                // Some elements (e.g. static) don't have a form field.\n                // Hence there is no validation. So, no setup required here.\n                return;\n            }\n\n            $(element).on(Event.Events.FORM_FIELD_VALIDATION, function(event, msg) {\n                event.preventDefault();\n                var parent = $(element).closest('.form-group');\n                var feedback = parent.find('.form-control-feedback');\n                const feedbackId = feedback.attr('id');\n\n                // Get current aria-describedby value.\n                let describedBy = $(element).attr('aria-describedby');\n                if (typeof describedBy === \"undefined\") {\n                    describedBy = '';\n                }\n                // Split aria-describedby attribute into an array of IDs if necessary.\n                let describedByIds = [];\n                if (describedBy.length) {\n                    describedByIds = describedBy.split(\" \");\n                }\n                // Find the the feedback container in the aria-describedby attribute.\n                const feedbackIndex = describedByIds.indexOf(feedbackId);\n\n                // Sometimes (atto) we have a hidden textarea backed by a real contenteditable div.\n                if (($(element).prop(\"tagName\") == 'TEXTAREA') && parent.find('[contenteditable]')) {\n                    element = parent.find('[contenteditable]');\n                }\n                if (msg !== '') {\n                    parent.addClass('has-danger');\n                    parent.data('client-validation-error', true);\n                    $(element).addClass('is-invalid');\n                    // Append the feedback ID to the aria-describedby attribute if it doesn't exist yet.\n                    if (feedbackIndex === -1) {\n                        describedByIds.push(feedbackId);\n                        $(element).attr('aria-describedby', describedByIds.join(\" \"));\n                    }\n                    $(element).attr('aria-invalid', true);\n                    feedback.attr('tabindex', 0);\n                    feedback.html(msg);\n\n                    // Only display and focus when the error was not already visible.\n                    // This is so that, when tabbing around the form, you don't get stuck.\n                    if (!feedback.is(':visible')) {\n                        feedback.show();\n                        feedback.focus();\n                    }\n\n                } else {\n                    if (parent.data('client-validation-error') === true) {\n                        parent.removeClass('has-danger');\n                        parent.data('client-validation-error', false);\n                        $(element).removeClass('is-invalid');\n                        // If the aria-describedby attribute contains the error container's ID, remove it.\n                        if (feedbackIndex > -1) {\n                            describedByIds.splice(feedbackIndex, 1);\n                        }\n                        // Check the remaining element IDs in the aria-describedby attribute.\n                        if (describedByIds.length) {\n                            // If there's at least one, combine them with a blank space and update the aria-describedby attribute.\n                            describedBy = describedByIds.join(\" \");\n                            // Put back the new describedby attribute.\n                            $(element).attr('aria-describedby', describedBy);\n                        } else {\n                            // If there's none, remove the aria-describedby attribute.\n                            $(element).removeAttr('aria-describedby');\n                        }\n                        $(element).attr('aria-invalid', false);\n                        feedback.hide();\n                    }\n                }\n            });\n\n            var form = element.closest('form');\n            if (form && !('boostFormErrorsEnhanced' in form.dataset)) {\n                form.addEventListener('submit', function() {\n                    var visibleError = $('.form-control-feedback:visible');\n                    if (visibleError.length) {\n                        visibleError[0].focus();\n                    }\n                });\n                form.dataset.boostFormErrorsEnhanced = 1;\n            }\n        }\n    };\n});\n"],"file":"form-display-errors.min.js"}
\ No newline at end of file
+{"version":3,"file":"form-display-errors.min.js","sources":["../src/form-display-errors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Custom form error event handler to manipulate the bootstrap markup and show\n * nicely styled errors in an mform.\n *\n * @module     theme_boost/form-display-errors\n * @copyright  2016 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/event'], function($, Event) {\n    return {\n        enhance: function(elementid) {\n            var element = document.getElementById(elementid);\n            if (!element) {\n                // Some elements (e.g. static) don't have a form field.\n                // Hence there is no validation. So, no setup required here.\n                return;\n            }\n\n            $(element).on(Event.Events.FORM_FIELD_VALIDATION, function(event, msg) {\n                event.preventDefault();\n                var parent = $(element).closest('.form-group');\n                var feedback = parent.find('.form-control-feedback');\n                const feedbackId = feedback.attr('id');\n\n                // Get current aria-describedby value.\n                let describedBy = $(element).attr('aria-describedby');\n                if (typeof describedBy === \"undefined\") {\n                    describedBy = '';\n                }\n                // Split aria-describedby attribute into an array of IDs if necessary.\n                let describedByIds = [];\n                if (describedBy.length) {\n                    describedByIds = describedBy.split(\" \");\n                }\n                // Find the the feedback container in the aria-describedby attribute.\n                const feedbackIndex = describedByIds.indexOf(feedbackId);\n\n                // Sometimes (atto) we have a hidden textarea backed by a real contenteditable div.\n                if (($(element).prop(\"tagName\") == 'TEXTAREA') && parent.find('[contenteditable]')) {\n                    element = parent.find('[contenteditable]');\n                }\n                if (msg !== '') {\n                    parent.addClass('has-danger');\n                    parent.data('client-validation-error', true);\n                    $(element).addClass('is-invalid');\n                    // Append the feedback ID to the aria-describedby attribute if it doesn't exist yet.\n                    if (feedbackIndex === -1) {\n                        describedByIds.push(feedbackId);\n                        $(element).attr('aria-describedby', describedByIds.join(\" \"));\n                    }\n                    $(element).attr('aria-invalid', true);\n                    feedback.attr('tabindex', 0);\n   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diff --git a/theme/boost/amd/build/loader.min.js b/theme/boost/amd/build/loader.min.js
index 5c1d49a7a9b..f7385a9366c 100644
--- a/theme/boost/amd/build/loader.min.js
+++ b/theme/boost/amd/build/loader.min.js
@@ -1,2 +1,13 @@
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+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("theme_boost/loader",["exports","jquery","./aria","./bootstrap/index","core/pending","./scroll","./pending"],(function(_exports,_jquery,Aria,_index,_pending,_scroll,_pending2){function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}
+/**
+   * Template renderer for Moodle. Load and render Moodle templates with Mustache.
+   *
+   * @module     core/templates
+   * @package    core
+   * @class      templates
+   * @copyright  2015 Damyon Wiese <damyon@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   * @since      2.9
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Bootstrap",{enumerable:!0,get:function(){return _index.default}}),_jquery=_interopRequireDefault(_jquery),Aria=function(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!==_typeof(obj)&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}newObj.default=obj,cache&&cache.set(obj,newObj);return newObj}(Aria),_index=_interopRequireDefault(_index),_pending=_interopRequireDefault(_pending),_scroll=_interopRequireDefault(_scroll),_pending2=_interopRequireDefault(_pending2);var pendingPromise=new _pending.default("theme_boost/loader:init");(0,_pending2.default)(),Aria.init(),function(){(0,_jquery.default)('a[data-toggle="tab"]').on("shown.bs.tab",(function(e){var hash=(0,_jquery.default)(e.target).attr("href");history.replaceState?history.replaceState(null,null,hash):location.hash=hash}));var hash=window.location.hash;if(hash){var tab=document.querySelector('.nav-link[href="'+hash+'"]');tab&&tab.click()}}(),(0,_jquery.default)("body").popover({container:"body",selector:'[data-toggle="popover"]',trigger:"focus"}),document.addEventListener("keydown",(function(e){"Escape"===e.key&&e.target.closest('[data-toggle="popover"]')&&(0,_jquery.default)(e.target).popover("hide")})),(0,_jquery.default)("body").tooltip({container:"body",selector:'[data-toggle="tooltip"]'}),(new _scroll.default).init(),_jquery.default.fn.dropdown.Constructor.Default.flip=!1,pendingPromise.resolve()}));
+
+//# sourceMappingURL=loader.min.js.map
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diff --git a/theme/boost/amd/build/loader.min.js.map b/theme/boost/amd/build/loader.min.js.map
index ca9cb4f1909..d6ea5f615df 100644
--- a/theme/boost/amd/build/loader.min.js.map
+++ b/theme/boost/amd/build/loader.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"loader.min.js","sources":["../src/loader.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Template renderer for Moodle. Load and render Moodle templates with Mustache.\n *\n * @module     core/templates\n * @package    core\n * @class      templates\n * @copyright  2015 Damyon Wiese <damyon@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n * @since      2.9\n */\n\nimport $ from 'jquery';\nimport * as Aria from './aria';\nimport Bootstrap from './bootstrap/index';\nimport Pending from 'core/pending';\nimport Scroll from './scroll';\nimport setupBootstrapPendingChecks from './pending';\n\n/**\n * Rember the last visited tabs.\n */\nconst rememberTabs = () => {\n    $('a[data-toggle=\"tab\"]').on('shown.bs.tab', function(e) {\n        var hash = $(e.target).attr('href');\n        if (history.replaceState) {\n            history.replaceState(null, null, hash);\n        } else {\n            location.hash = hash;\n        }\n    });\n    const hash = window.location.hash;\n    if (hash) {\n        const tab = document.querySelector('.nav-link[href=\"' + hash + '\"]');\n        if (tab) {\n            tab.click();\n        }\n    }\n};\n\n/**\n * Enable all popovers\n *\n */\nconst enablePopovers = () => {\n    $('body').popover({\n        container: 'body',\n        selector: '[data-toggle=\"popover\"]',\n        trigger: 'focus',\n    });\n\n    document.addEventListener('keydown', e => {\n        if (e.key === 'Escape' && e.target.closest('[data-toggle=\"popover\"]')) {\n            $(e.target).popover('hide');\n        }\n    });\n};\n\n/**\n * Enable tooltips\n *\n */\nconst enableTooltips = () => {\n    $('body').tooltip({\n        container: 'body',\n        selector: '[data-toggle=\"tooltip\"]',\n    });\n};\n\nconst pendingPromise = new Pending('theme_boost/loader:init');\n\n// Add pending promise event listeners to relevant Bootstrap custom events.\nsetupBootstrapPendingChecks();\n\n// Setup Aria helpers for Bootstrap features.\nAria.init();\n\n// Remember the last visited tabs.\nrememberTabs();\n\n// Enable all popovers.\nenablePopovers();\n\n// Enable all tooltips.\nenableTooltips();\n\n// Add scroll handling.\n(new Scroll()).init();\n\n// Disables flipping the dropdowns up and getting hidden behind the navbar.\n$.fn.dropdown.Constructor.Default.flip = false;\n\npendingPromise.resolve();\n\nexport {\n    Bootstrap,\n};\n"],"names":["pendingPromise","Pending","Aria","init","on","e","hash","target","attr","history","replaceState","location","window","tab","document","querySelector","click","rememberTabs","popover","container","selector","trigger","addEventListener","key","closest","tooltip","Scroll","fn","dropdown","Constructor","Default","flip","resolve"],"mappings":";;;;;;;;;;0gCAmFMA,eAAiB,IAAIC,iBAAQ,mDAMnCC,KAAKC,OArDgB,+BACf,wBAAwBC,GAAG,gBAAgB,SAASC,OAC9CC,MAAO,mBAAED,EAAEE,QAAQC,KAAK,QACxBC,QAAQC,aACRD,QAAQC,aAAa,KAAM,KAAMJ,MAEjCK,SAASL,KAAOA,YAGlBA,KAAOM,OAAOD,SAASL,QACzBA,KAAM,KACAO,IAAMC,SAASC,cAAc,mBAAqBT,KAAO,MAC3DO,KACAA,IAAIG,SA2ChBC,uBAjCM,QAAQC,QAAQ,CACdC,UAAW,OACXC,SAAU,0BACVC,QAAS,UAGbP,SAASQ,iBAAiB,WAAW,SAAAjB,GACnB,WAAVA,EAAEkB,KAAoBlB,EAAEE,OAAOiB,QAAQ,gDACrCnB,EAAEE,QAAQW,QAAQ,+BAU1B,QAAQO,QAAQ,CACdN,UAAW,OACXC,SAAU,iCAsBbM,iBAAUvB,uBAGbwB,GAAGC,SAASC,YAAYC,QAAQC,MAAO,EAEzC/B,eAAegC"}
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diff --git a/theme/boost/amd/build/pending.min.js b/theme/boost/amd/build/pending.min.js
index 8fac6c7864b..685d69a4392 100644
--- a/theme/boost/amd/build/pending.min.js
+++ b/theme/boost/amd/build/pending.min.js
@@ -1,2 +1,3 @@
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-//# sourceMappingURL=pending.min.js.map
+define("theme_boost/pending",["exports","jquery"],(function(_exports,_jquery){var obj;function _slicedToArray(arr,i){return function(arr){if(Array.isArray(arr))return arr}(arr)||function(arr,i){var _i=null==arr?null:"undefined"!=typeof Symbol&&arr[Symbol.iterator]||arr["@@iterator"];if(null==_i)return;var _s,_e,_arr=[],_n=!0,_d=!1;try{for(_i=_i.call(arr);!(_n=(_s=_i.next()).done)&&(_arr.push(_s.value),!i||_arr.length!==i);_n=!0);}catch(err){_d=!0,_e=err}finally{try{_n||null==_i.return||_i.return()}finally{if(_d)throw _e}}return _arr}(arr,i)||function(o,minLen){if(!o)return;if("string"==typeof o)return _arrayLikeToArray(o,minLen);var n=Object.prototype.toString.call(o).slice(8,-1);"Object"===n&&o.constructor&&(n=o.constructor.name);if("Map"===n||"Set"===n)return Array.from(o);if("Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n))return _arrayLikeToArray(o,minLen)}(arr,i)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function _arrayLikeToArray(arr,len){(null==len||len>arr.length)&&(len=arr.length);for(var i=0,arr2=new Array(len);i<len;i++)arr2[i]=arr[i];return arr2}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_jquery=(obj=_jquery)&&obj.__esModule?obj:{default:obj};var moduleTransitions={alert:[{start:"close",end:"closed"}],carousel:[{start:"slide",end:"slid"}],collapse:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],dropdown:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],modal:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],popover:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],tab:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],toast:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}],tooltip:[{start:"hide",end:"hidden"},{start:"show",end:"shown"}]};return _exports.default=function(){Object.entries(moduleTransitions).forEach((function(_ref){var _ref2=_slicedToArray(_ref,2),key=_ref2[0];_ref2[1].forEach((function(pair){var eventStart="".concat(pair.start,".bs.").concat(key),eventEnd="".concat(pair.end,".bs.").concat(key);(0,_jquery.default)(document.body).on(eventStart,(function(e){M.util.js_pending(eventEnd),(0,_jquery.default)(e.target).one(eventEnd,(function(){M.util.js_complete(eventEnd)}))}))}))}))},_exports.default}));
+
+//# sourceMappingURL=pending.min.js.map
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diff --git a/theme/boost/amd/build/pending.min.js.map b/theme/boost/amd/build/pending.min.js.map
index 76779340613..2440c1e4407 100644
--- a/theme/boost/amd/build/pending.min.js.map
+++ b/theme/boost/amd/build/pending.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Add Pending JS checks to stock Bootstrap transitions.\n *\n * @module     theme_boost/pending\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport jQuery from 'jquery';\nconst moduleTransitions = {\n    alert: [\n        // Alert.\n        {\n            start: 'close',\n            end: 'closed',\n        },\n    ],\n\n    carousel: [\n        {\n            start: 'slide',\n            end: 'slid',\n        },\n    ],\n\n    collapse: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    dropdown: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    modal: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    popover: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    tab: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    toast: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    tooltip: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n};\n\nexport default () => {\n    Object.entries(moduleTransitions).forEach(([key, pairs]) => {\n        pairs.forEach(pair => {\n            const eventStart = `${pair.start}.bs.${key}`;\n            const eventEnd = `${pair.end}.bs.${key}`;\n            jQuery(document.body).on(eventStart, e => {\n                M.util.js_pending(eventEnd);\n                jQuery(e.target).one(eventEnd, () => {\n                    M.util.js_complete(eventEnd);\n                });\n            });\n\n        });\n    });\n};\n"],"file":"pending.min.js"}
\ No newline at end of file
+{"version":3,"file":"pending.min.js","sources":["../src/pending.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Add Pending JS checks to stock Bootstrap transitions.\n *\n * @module     theme_boost/pending\n * @copyright  2019 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport jQuery from 'jquery';\nconst moduleTransitions = {\n    alert: [\n        // Alert.\n        {\n            start: 'close',\n            end: 'closed',\n        },\n    ],\n\n    carousel: [\n        {\n            start: 'slide',\n            end: 'slid',\n        },\n    ],\n\n    collapse: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    dropdown: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    modal: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    popover: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    tab: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    toast: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n\n    tooltip: [\n        {\n            start: 'hide',\n            end: 'hidden',\n        },\n        {\n            start: 'show',\n            end: 'shown',\n        },\n    ],\n};\n\nexport default () => {\n    Object.entries(moduleTransitions).forEach(([key, pairs]) => {\n        pairs.forEach(pair => {\n            const eventStart = `${pair.start}.bs.${key}`;\n            const eventEnd = `${pair.end}.bs.${key}`;\n            jQuery(document.body).on(eventStart, e => {\n                M.util.js_pending(eventEnd);\n                jQuery(e.target).one(eventEnd, () => {\n                    M.util.js_complete(eventEnd);\n                });\n            });\n\n        });\n    });\n};\n"],"names":["moduleTransitions","alert","start","end","carousel","collapse","dropdown","modal","popover","tab","toast","tooltip","Object","entries","forEach","key","pair","eventStart","eventEnd","document","body","on","e","M","util","js_pending","target","one","js_complete"],"mappings":"u1CAwBMA,kBAAoB,CACtBC,MAAO,CAEH,CACIC,MAAO,QACPC,IAAK,WAIbC,SAAU,CACN,CACIF,MAAO,QACPC,IAAK,SAIbE,SAAU,CACN,CACIH,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbG,SAAU,CACN,CACIJ,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbI,MAAO,CACH,CACIL,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbK,QAAS,CACL,CACIN,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbM,IAAK,CACD,CACIP,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbO,MAAO,CACH,CACIR,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,UAIbQ,QAAS,CACL,CACIT,MAAO,OACPC,IAAK,UAET,CACID,MAAO,OACPC,IAAK,mCAKF,WACXS,OAAOC,QAAQb,mBAAmBc,SAAQ,gDAAEC,sBAClCD,SAAQ,SAAAE,UACJC,qBAAgBD,KAAKd,qBAAYa,KACjCG,mBAAcF,KAAKb,mBAAUY,yBAC5BI,SAASC,MAAMC,GAAGJ,YAAY,SAAAK,GACjCC,EAAEC,KAAKC,WAAWP,8BACXI,EAAEI,QAAQC,IAAIT,UAAU,WAC3BK,EAAEC,KAAKI,YAAYV"}
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diff --git a/theme/boost/amd/build/popover.min.js b/theme/boost/amd/build/popover.min.js
index d3e3bad0e1b..19b7e79cfc2 100644
--- a/theme/boost/amd/build/popover.min.js
+++ b/theme/boost/amd/build/popover.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/popover",["exports","./bootstrap/popover"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"Popover",{enumerable:!0,get:function get(){return b.default}});b=function(a){return a&&a.__esModule?a:{default:a}}(b)});
-//# sourceMappingURL=popover.min.js.map
+define("theme_boost/popover",["exports","./bootstrap/popover"],(function(_exports,_popover){var obj;Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Popover",{enumerable:!0,get:function(){return _popover.default}}),_popover=(obj=_popover)&&obj.__esModule?obj:{default:obj}}));
+
+//# sourceMappingURL=popover.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/popover.min.js.map b/theme/boost/amd/build/popover.min.js.map
index a7b2c0ec31a..b1d6ee4fd08 100644
--- a/theme/boost/amd/build/popover.min.js.map
+++ b/theme/boost/amd/build/popover.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/popover.js"],"names":[],"mappings":"oOAuBA,sD","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Backward compatibility file for the old popover.js\n *\n * @module     theme_boost/popover\n * @copyright  2020 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Popover from './bootstrap/popover';\n\nexport {\n    Popover\n};\n"],"file":"popover.min.js"}
\ No newline at end of file
+{"version":3,"file":"popover.min.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}
\ No newline at end of file
diff --git a/theme/boost/amd/build/scroll.min.js b/theme/boost/amd/build/scroll.min.js
index d101ffe54cf..2d612473e9a 100644
--- a/theme/boost/amd/build/scroll.min.js
+++ b/theme/boost/amd/build/scroll.min.js
@@ -1,2 +1,10 @@
-define ("theme_boost/scroll",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;function b(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function c(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function d(a,b,d){if(b)c(a.prototype,b);if(d)c(a,d);Object.defineProperty(a,"prototype",{writable:!1});return a}var e=function(){function a(){b(this,a)}d(a,[{key:"init",value:function init(){this.scrollY=0;window.addEventListener("scroll",this.scrollHandler.bind(this));return this}},{key:"getScrollPosition",value:function getScrollPosition(){return window.pageYOffset||document.documentElement.scrollTop}},{key:"scrollHandler",value:function scrollHandler(){var a=document.querySelector("body"),b=this.getScrollPosition();if(b>=window.innerHeight){a.classList.add("scrolled")}else{a.classList.remove("scrolled")}}}]);return a}();a.default=e;return a.default});
-//# sourceMappingURL=scroll.min.js.map
+define("theme_boost/scroll",["exports"],(function(_exports){function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Manage user scroll in Moodle for future floating elements.
+   *
+   * @copyright  2020 Ferran Recio <ferran@moodle.org>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var MoodleScroll=function(){function MoodleScroll(){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,MoodleScroll)}var Constructor,protoProps,staticProps;return Constructor=MoodleScroll,(protoProps=[{key:"init",value:function(){return this.scrollY=0,window.addEventListener("scroll",this.scrollHandler.bind(this)),this}},{key:"getScrollPosition",value:function(){return window.pageYOffset||document.documentElement.scrollTop}},{key:"scrollHandler",value:function(){var body=document.querySelector("body");this.getScrollPosition()>=window.innerHeight?body.classList.add("scrolled"):body.classList.remove("scrolled")}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),MoodleScroll}();return _exports.default=MoodleScroll,_exports.default}));
+
+//# sourceMappingURL=scroll.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/scroll.min.js.map b/theme/boost/amd/build/scroll.min.js.map
index 7dc3cc34857..ed47a80c7ca 100644
--- a/theme/boost/amd/build/scroll.min.js.map
+++ b/theme/boost/amd/build/scroll.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/scroll.js"],"names":["MoodleScroll","scrollY","window","addEventListener","scrollHandler","bind","pageYOffset","document","documentElement","scrollTop","body","querySelector","getScrollPosition","innerHeight","classList","add","remove"],"mappings":"2fA6BqBA,CAAAA,C,0DASjB,eAAO,CACH,KAAKC,OAAL,CAAe,CAAf,CACAC,MAAM,CAACC,gBAAP,CAAwB,QAAxB,CAAkC,KAAKC,aAAL,CAAmBC,IAAnB,CAAwB,IAAxB,CAAlC,EACA,MAAO,KACV,C,iCASD,4BAAoB,CAChB,MAAOH,CAAAA,MAAM,CAACI,WAAP,EAAsBC,QAAQ,CAACC,eAAT,CAAyBC,SACzD,C,6BAQD,wBAAgB,IACNC,CAAAA,CAAI,CAAGH,QAAQ,CAACI,aAAT,CAAuB,MAAvB,CADD,CAENV,CAAO,CAAG,KAAKW,iBAAL,EAFJ,CAGZ,GAAIX,CAAO,EAAIC,MAAM,CAACW,WAAtB,CAAmC,CAC/BH,CAAI,CAACI,SAAL,CAAeC,GAAf,CAAmB,UAAnB,CACH,CAFD,IAEO,CACHL,CAAI,CAACI,SAAL,CAAeE,MAAf,CAAsB,UAAtB,CACH,CACJ,C","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage user scroll in Moodle for future floating elements.\n *\n * @copyright  2020 Ferran Recio <ferran@moodle.org>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Moodle scroll handling. For now it just handle a \"scrolled\" class\n * on the body tag but in the near future could handle more floating\n * elements like option bars, docked elements or other active elements.\n *\n * @class MoodleScroll\n */\nexport default class MoodleScroll {\n\n    /**\n     * Initialise the scroll monitoring.\n     *\n     * @method  init\n     * @chainable\n     * @return {Object} this.\n     */\n    init() {\n        this.scrollY = 0;\n        window.addEventListener(\"scroll\", this.scrollHandler.bind(this));\n        return this;\n    }\n\n    /**\n     * Add special classes to body depending on scroll position.\n     *\n     * @method  update\n     * @chainable\n     * @return {Integer} current scroll position.\n     */\n    getScrollPosition() {\n        return window.pageYOffset || document.documentElement.scrollTop;\n    }\n\n    /**\n     * Add special classes to body depending on scroll position.\n     *\n     * @method  update\n     * @chainable\n     */\n    scrollHandler() {\n        const body = document.querySelector('body');\n        const scrollY = this.getScrollPosition();\n        if (scrollY >= window.innerHeight) {\n            body.classList.add('scrolled');\n        } else {\n            body.classList.remove('scrolled');\n        }\n    }\n}\n"],"file":"scroll.min.js"}
\ No newline at end of file
+{"version":3,"file":"scroll.min.js","sources":["../src/scroll.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Manage user scroll in Moodle for future floating elements.\n *\n * @copyright  2020 Ferran Recio <ferran@moodle.org>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\n/**\n * Moodle scroll handling. For now it just handle a \"scrolled\" class\n * on the body tag but in the near future could handle more floating\n * elements like option bars, docked elements or other active elements.\n *\n * @class MoodleScroll\n */\nexport default class MoodleScroll {\n\n    /**\n     * Initialise the scroll monitoring.\n     *\n     * @method  init\n     * @chainable\n     * @return {Object} this.\n     */\n    init() {\n        this.scrollY = 0;\n        window.addEventListener(\"scroll\", this.scrollHandler.bind(this));\n        return this;\n    }\n\n    /**\n     * Add special classes to body depending on scroll position.\n     *\n     * @method  update\n     * @chainable\n     * @return {Integer} current scroll position.\n     */\n    getScrollPosition() {\n        return window.pageYOffset || document.documentElement.scrollTop;\n    }\n\n    /**\n     * Add special classes to body depending on scroll position.\n     *\n     * @method  update\n     * @chainable\n     */\n    scrollHandler() {\n        const body = document.querySelector('body');\n        const scrollY = this.getScrollPosition();\n        if (scrollY >= window.innerHeight) {\n            body.classList.add('scrolled');\n        } else {\n            body.classList.remove('scrolled');\n        }\n    }\n}\n"],"names":["MoodleScroll","scrollY","window","addEventListener","this","scrollHandler","bind","pageYOffset","document","documentElement","scrollTop","body","querySelector","getScrollPosition","innerHeight","classList","add","remove"],"mappings":";;;;;;;IA6BqBA,ySASjB,uBACSC,QAAU,EACfC,OAAOC,iBAAiB,SAAUC,KAAKC,cAAcC,KAAKF,OACnDA,sCAUX,kBACWF,OAAOK,aAAeC,SAASC,gBAAgBC,uCAS1D,eACUC,KAAOH,SAASI,cAAc,QACpBR,KAAKS,qBACNX,OAAOY,YAClBH,KAAKI,UAAUC,IAAI,YAEnBL,KAAKI,UAAUE,OAAO"}
\ No newline at end of file
diff --git a/theme/boost/amd/build/toast.min.js b/theme/boost/amd/build/toast.min.js
index d055d3f99c4..34fc326a833 100644
--- a/theme/boost/amd/build/toast.min.js
+++ b/theme/boost/amd/build/toast.min.js
@@ -1,2 +1,3 @@
-define ("theme_boost/toast",["exports","./bootstrap/toast"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});Object.defineProperty(a,"Toast",{enumerable:!0,get:function get(){return b.default}});b=function(a){return a&&a.__esModule?a:{default:a}}(b)});
-//# sourceMappingURL=toast.min.js.map
+define("theme_boost/toast",["exports","./bootstrap/toast"],(function(_exports,_toast){var obj;Object.defineProperty(_exports,"__esModule",{value:!0}),Object.defineProperty(_exports,"Toast",{enumerable:!0,get:function(){return _toast.default}}),_toast=(obj=_toast)&&obj.__esModule?obj:{default:obj}}));
+
+//# sourceMappingURL=toast.min.js.map
\ No newline at end of file
diff --git a/theme/boost/amd/build/toast.min.js.map b/theme/boost/amd/build/toast.min.js.map
index 7f2acb0f256..548e7289cca 100644
--- a/theme/boost/amd/build/toast.min.js.map
+++ b/theme/boost/amd/build/toast.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../src/toast.js"],"names":[],"mappings":"8NAuBA,sD","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Backward compatibility file for the old toast.js\n *\n * @module     theme_boost/toast\n * @copyright  2020 Bas Brands <bas@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport Toast from './bootstrap/toast';\n\nexport {\n    Toast\n};\n"],"file":"toast.min.js"}
\ No newline at end of file
+{"version":3,"file":"toast.min.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}
\ No newline at end of file
diff --git a/user/amd/build/local/participants/bulkactions.min.js b/user/amd/build/local/participants/bulkactions.min.js
index 6e94cb75a3e..64a15c6aced 100644
--- a/user/amd/build/local/participants/bulkactions.min.js
+++ b/user/amd/build/local/participants/bulkactions.min.js
@@ -1,2 +1,11 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core_user/local/participants/bulkactions",["exports","core_user/repository","core/str","core/modal_events","core/modal_factory","core/notification","core/templates","core/toast"],function(a,b,c,d,e,f,g,h){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.showSendMessage=a.showAddNote=void 0;b=k(b);c=k(c);d=i(d);e=i(e);f=i(f);g=i(g);function i(a){return a&&a.__esModule?a:{default:a}}function j(a){if("function"!=typeof WeakMap)return null;var b=new WeakMap,c=new WeakMap;return(j=function(a){return a?c:b})(a)}function k(a,b){if(!b&&a&&a.__esModule){return a}if(null===a||"object"!==_typeof(a)&&"function"!=typeof a){return{default:a}}var c=j(b);if(c&&c.has(a)){return c.get(a)}var d={},e=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var f in a){if("default"!=f&&Object.prototype.hasOwnProperty.call(a,f)){var g=e?Object.getOwnPropertyDescriptor(a,f):null;if(g&&(g.get||g.set)){Object.defineProperty(d,f,g)}else{d[f]=a[f]}}}d.default=a;if(c){c.set(a,d)}return d}var l=function(a,b,f,h){if(!b.length){return Promise.resolve()}var i=[];for(var l in f){switch(l){case"draft":i.push({value:"personal",label:f[l]});break;case"public":i.push({value:"course",label:f[l],selected:1});break;case"site":i.push({value:l,label:f[l]});break;}}var j={stateNames:i,stateHelpIcon:h.innerHTML},k=null;if(1===b.length){k=c.get_string("addbulknotesingle","core_notes")}else{k=c.get_string("addbulknote","core_notes",b.length)}return e.default.create({type:e.default.types.SAVE_CANCEL,body:g.default.render("core_user/add_bulk_note",j),title:k,buttons:{save:k},removeOnClose:!0}).then(function(c){c.getRoot().on(d.default.save,function(){return m(a,b,c)});c.show();return c})};a.showAddNote=l;var m=function(a,d,e){var g=e.getRoot().find("form textarea").val(),i=e.getRoot().find("form select").val(),j=d.map(function(b){return{userid:b,text:g,courseid:a,publishstate:i}});return b.createNotesForUsers(j).then(function(a){if(1===a.length){return c.get_string("addbulknotedonesingle","core_notes")}else{return c.get_string("addbulknotedone","core_notes",a.length)}}).then(function(a){return(0,h.add)(a)}).catch(f.default.exception)},n=function(a){if(!a.length){return Promise.resolve()}var b;if(1===a.length){b=c.get_string("sendbulkmessagesingle","core_message")}else{b=c.get_string("sendbulkmessage","core_message",a.length)}return e.default.create({type:e.default.types.SAVE_CANCEL,body:g.default.render("core_user/send_bulk_message",{}),title:b,buttons:{save:b},removeOnClose:!0}).then(function(b){b.getRoot().on(d.default.save,function(c){var d=b.getRoot().find("form textarea").val();if(""===d.trim()){b.getRoot().find("[data-role=\"messagetextrequired\"]").removeAttr("hidden");c.preventDefault();return}o(b,a,d)});b.show();return b})};a.showSendMessage=n;var o=function(a,d,e){var g=d.map(function(a){return{touserid:a,text:e}});return b.sendMessagesToUsers(g).then(function(a){if(1==a.length){return c.get_string("sendbulkmessagesentsingle","core_message")}else{return c.get_string("sendbulkmessagesent","core_message",a.length)}}).then(function(a){return(0,h.add)(a)}).catch(f.default.exception)}});
-//# sourceMappingURL=bulkactions.min.js.map
+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("core_user/local/participants/bulkactions",["exports","core_user/repository","core/str","core/modal_events","core/modal_factory","core/notification","core/templates","core/toast"],(function(_exports,Repository,Str,_modal_events,_modal_factory,_notification,_templates,_toast){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function _getRequireWildcardCache(nodeInterop){if("function"!=typeof WeakMap)return null;var cacheBabelInterop=new WeakMap,cacheNodeInterop=new WeakMap;return(_getRequireWildcardCache=function(nodeInterop){return nodeInterop?cacheNodeInterop:cacheBabelInterop})(nodeInterop)}function _interopRequireWildcard(obj,nodeInterop){if(!nodeInterop&&obj&&obj.__esModule)return obj;if(null===obj||"object"!==_typeof(obj)&&"function"!=typeof obj)return{default:obj};var cache=_getRequireWildcardCache(nodeInterop);if(cache&&cache.has(obj))return cache.get(obj);var newObj={},hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj)if("default"!==key&&Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;desc&&(desc.get||desc.set)?Object.defineProperty(newObj,key,desc):newObj[key]=obj[key]}return newObj.default=obj,cache&&cache.set(obj,newObj),newObj}
+/**
+   * Bulk actions for lists of participants.
+   *
+   * @module     core_user/local/participants/bulkactions
+   * @package    core_user
+   * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.showSendMessage=_exports.showAddNote=void 0,Repository=_interopRequireWildcard(Repository),Str=_interopRequireWildcard(Str),_modal_events=_interopRequireDefault(_modal_events),_modal_factory=_interopRequireDefault(_modal_factory),_notification=_interopRequireDefault(_notification),_templates=_interopRequireDefault(_templates);_exports.showAddNote=function(courseid,users,noteStateNames,stateHelpIcon){if(!users.length)return Promise.resolve();var states=[];for(var key in noteStateNames)switch(key){case"draft":states.push({value:"personal",label:noteStateNames[key]});break;case"public":states.push({value:"course",label:noteStateNames[key],selected:1});break;case"site":states.push({value:key,label:noteStateNames[key]})}var context={stateNames:states,stateHelpIcon:stateHelpIcon.innerHTML},titlePromise=null;return titlePromise=1===users.length?Str.get_string("addbulknotesingle","core_notes"):Str.get_string("addbulknote","core_notes",users.length),_modal_factory.default.create({type:_modal_factory.default.types.SAVE_CANCEL,body:_templates.default.render("core_user/add_bulk_note",context),title:titlePromise,buttons:{save:titlePromise},removeOnClose:!0}).then((function(modal){return modal.getRoot().on(_modal_events.default.save,(function(){return submitAddNote(courseid,users,modal)})),modal.show(),modal}))};var submitAddNote=function(courseid,users,modal){var text=modal.getRoot().find("form textarea").val(),publishstate=modal.getRoot().find("form select").val(),notes=users.map((function(userid){return{userid:userid,text:text,courseid:courseid,publishstate:publishstate}}));return Repository.createNotesForUsers(notes).then((function(noteIds){return 1===noteIds.length?Str.get_string("addbulknotedonesingle","core_notes"):Str.get_string("addbulknotedone","core_notes",noteIds.length)})).then((function(msg){return(0,_toast.add)(msg)})).catch(_notification.default.exception)};_exports.showSendMessage=function(users){return users.length?(titlePromise=1===users.length?Str.get_string("sendbulkmessagesingle","core_message"):Str.get_string("sendbulkmessage","core_message",users.length),_modal_factory.default.create({type:_modal_factory.default.types.SAVE_CANCEL,body:_templates.default.render("core_user/send_bulk_message",{}),title:titlePromise,buttons:{save:titlePromise},removeOnClose:!0}).then((function(modal){return modal.getRoot().on(_modal_events.default.save,(function(e){var text=modal.getRoot().find("form textarea").val();if(""===text.trim())return modal.getRoot().find('[data-role="messagetextrequired"]').removeAttr("hidden"),void e.preventDefault();submitSendMessage(modal,users,text)})),modal.show(),modal}))):Promise.resolve();var titlePromise};var submitSendMessage=function(modal,users,text){var messages=users.map((function(touserid){return{touserid:touserid,text:text}}));return Repository.sendMessagesToUsers(messages).then((function(messageIds){return 1==messageIds.length?Str.get_string("sendbulkmessagesentsingle","core_message"):Str.get_string("sendbulkmessagesent","core_message",messageIds.length)})).then((function(msg){return(0,_toast.add)(msg)})).catch(_notification.default.exception)}}));
+
+//# sourceMappingURL=bulkactions.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/local/participants/bulkactions.min.js.map b/user/amd/build/local/participants/bulkactions.min.js.map
index a8200902fec..a18f187270a 100644
--- a/user/amd/build/local/participants/bulkactions.min.js.map
+++ b/user/amd/build/local/participants/bulkactions.min.js.map
@@ -1 +1 @@
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http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Bulk actions for lists of participants.\n *\n * @module     core_user/local/participants/bulkactions\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as Repository from 'core_user/repository';\nimport * as Str from 'core/str';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport {add as notifyUser} from 'core/toast';\n\n/**\n * Show the add note popup\n *\n * @param {Number} courseid\n * @param {Number[]} users\n * @param {String[]} noteStateNames\n * @param {HTMLElement} stateHelpIcon\n * @return {Promise}\n */\nexport const showAddNote = (courseid, users, noteStateNames, stateHelpIcon) => {\n    if (!users.length) {\n        // No users were selected.\n        return Promise.resolve();\n    }\n\n    const states = [];\n    for (let key in noteStateNames) {\n        switch (key) {\n            case 'draft':\n                states.push({value: 'personal', label: noteStateNames[key]});\n                break;\n            case 'public':\n                states.push({value: 'course', label: noteStateNames[key], selected: 1});\n                break;\n            case 'site':\n                states.push({value: key, label: noteStateNames[key]});\n                break;\n        }\n    }\n\n    const context = {\n        stateNames: states,\n        stateHelpIcon: stateHelpIcon.innerHTML,\n    };\n\n    let titlePromise = null;\n    if (users.length === 1) {\n        titlePromise = Str.get_string('addbulknotesingle', 'core_notes');\n    } else {\n        titlePromise = Str.get_string('addbulknote', 'core_notes', users.length);\n    }\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: Templates.render('core_user/add_bulk_note', context),\n        title: titlePromise,\n        buttons: {\n            save: titlePromise,\n        },\n        removeOnClose: true,\n    })\n    .then(modal => {\n        modal.getRoot().on(ModalEvents.save, () => submitAddNote(courseid, users, modal));\n\n        modal.show();\n\n        return modal;\n    });\n};\n\n/**\n * Add a note to this list of users.\n *\n * @param {Number} courseid\n * @param {Number[]} users\n * @param {Modal} modal\n * @return {Promise}\n */\nconst submitAddNote = (courseid, users, modal) => {\n    const text = modal.getRoot().find('form textarea').val();\n    const publishstate = modal.getRoot().find('form select').val();\n\n    const notes = users.map(userid => {\n        return {\n            userid,\n            text,\n            courseid,\n            publishstate,\n        };\n    });\n\n    return Repository.createNotesForUsers(notes)\n    .then(noteIds => {\n        if (noteIds.length === 1) {\n        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\ No newline at end of file
+{"version":3,"file":"bulkactions.min.js","sources":["../../../src/local/participants/bulkactions.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Bulk actions for lists of participants.\n *\n * @module     core_user/local/participants/bulkactions\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as Repository from 'core_user/repository';\nimport * as Str from 'core/str';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport {add as notifyUser} from 'core/toast';\n\n/**\n * Show the add note popup\n *\n * @param {Number} courseid\n * @param {Number[]} users\n * @param {String[]} noteStateNames\n * @param {HTMLElement} stateHelpIcon\n * @return {Promise}\n */\nexport const showAddNote = (courseid, users, noteStateNames, stateHelpIcon) => {\n    if (!users.length) {\n        // No users were selected.\n        return Promise.resolve();\n    }\n\n    const states = [];\n    for (let key in noteStateNames) {\n        switch (key) {\n            case 'draft':\n                states.push({value: 'personal', label: noteStateNames[key]});\n                break;\n            case 'public':\n                states.push({value: 'course', label: noteStateNames[key], selected: 1});\n                break;\n            case 'site':\n                states.push({value: key, label: noteStateNames[key]});\n                break;\n        }\n    }\n\n    const context = {\n        stateNames: states,\n        stateHelpIcon: stateHelpIcon.innerHTML,\n    };\n\n    let titlePromise = null;\n    if (users.length === 1) {\n        titlePromise = Str.get_string('addbulknotesingle', 'core_notes');\n    } else {\n        titlePromise = Str.get_string('addbulknote', 'core_notes', users.length);\n    }\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: Templates.render('core_user/add_bulk_note', context),\n        title: titlePromise,\n        buttons: {\n            save: titlePromise,\n        },\n        removeOnClose: true,\n    })\n    .then(modal => {\n        modal.getRoot().on(ModalEvents.save, () => submitAddNote(courseid, users, modal));\n\n        modal.show();\n\n        return modal;\n    });\n};\n\n/**\n * Add a note to this list of users.\n *\n * @param {Number} courseid\n * @param {Number[]} users\n * @param {Modal} modal\n * @return {Promise}\n */\nconst submitAddNote = (courseid, users, modal) => {\n    const text = modal.getRoot().find('form textarea').val();\n    const publishstate = modal.getRoot().find('form select').val();\n\n    const notes = users.map(userid => {\n        return {\n            userid,\n            text,\n            courseid,\n            publishstate,\n        };\n    });\n\n    return Repository.createNotesForUsers(notes)\n    .then(noteIds => {\n        if (noteIds.length === 1) {\n            return Str.get_string('addbulknotedonesingle', 'core_notes');\n        } else {\n            return Str.get_string('addbulknotedone', 'core_notes', noteIds.length);\n        }\n    })\n    .then(msg => notifyUser(msg))\n    .catch(Notification.exception);\n};\n\n/**\n * Show the send message popup.\n *\n * @param {Number[]} users\n * @return {Promise}\n */\nexport const showSendMessage = users => {\n    if (!users.length) {\n        // Nothing to do.\n        return Promise.resolve();\n    }\n\n    let titlePromise;\n    if (users.length === 1) {\n        titlePromise = Str.get_string('sendbulkmessagesingle', 'core_message');\n    } else {\n        titlePromise = Str.get_string('sendbulkmessage', 'core_message', users.length);\n    }\n\n    return ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: Templates.render('core_user/send_bulk_message', {}),\n        title: titlePromise,\n        buttons: {\n            save: titlePromise,\n        },\n      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\ No newline at end of file
diff --git a/user/amd/build/local/participantsfilter/filter.min.js b/user/amd/build/local/participantsfilter/filter.min.js
index 8b16957bbbe..4a0c927b27e 100644
--- a/user/amd/build/local/participantsfilter/filter.min.js
+++ b/user/amd/build/local/participantsfilter/filter.min.js
@@ -1,2 +1,3 @@
-define ("core_user/local/participantsfilter/filter",["exports","core/form-autocomplete","./selectors","core/str"],function(a,b,c,d){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;b=e(b);c=e(c);function e(a){return a&&a.__esModule?a:{default:a}}function f(a,b,c,d,e,f,g){try{var h=a[f](g),i=h.value}catch(a){c(a);return}if(h.done){b(i)}else{Promise.resolve(i).then(d,e)}}function g(a){return function(){var b=this,c=arguments;return new Promise(function(d,e){var g=a.apply(b,c);function h(a){f(g,d,e,h,i,"next",a)}function i(a){f(g,d,e,h,i,"throw",a)}h(void 0)})}}function h(a,b){if(!(a instanceof b)){throw new TypeError("Cannot call a class as a function")}}function i(a,b){for(var c=0,d;c<b.length;c++){d=b[c];d.enumerable=d.enumerable||!1;d.configurable=!0;if("value"in d)d.writable=!0;Object.defineProperty(a,d.key,d)}}function j(a,b,c){if(b)i(a.prototype,b);if(c)i(a,c);Object.defineProperty(a,"prototype",{writable:!1});return a}var k=function(a){return a.querySelectorAll(":checked")},l=function(){function a(b,c,d){h(this,a);this.filterType=b;this.rootNode=c;this.addValueSelector(d)}j(a,[{key:"tearDown",value:function tearDown(){}},{key:"placeholder",get:function get(){return(0,d.get_string)("placeholdertypeorselect","core_user")}},{key:"showSuggestions",get:function get(){return!0}},{key:"addValueSelector",value:function(){var a=g(regeneratorRuntime.mark(function a(){var c=this,d,e,f,g,h=arguments;return regeneratorRuntime.wrap(function(a){while(1){switch(a.prev=a.next){case 0:d=0<h.length&&h[0]!==void 0?h[0]:[];e=this.getFilterValueNode();e.innerHTML=this.getSourceDataForFilter().outerHTML;f=e.querySelector("select");f.id="filter-value-"+f.getAttribute("data-field-name");g=document.createElement("label");g.setAttribute("for",f.id);g.classList.add("sr-only");g.innerText=f.getAttribute("data-field-title");e.appendChild(g);d.forEach(function(a){var b=f.querySelector("option[value=\"".concat(a,"\"]"));if(b){b.selected=!0}else if(!c.showSuggestions){b=document.createElement("option");b.value=a;b.innerHTML=a;b.selected=!0;f.append(b)}});a.t0=b.default;a.t1=f;a.t2="1"==f.dataset.allowCustom;a.next=16;return this.placeholder;case 16:a.t3=a.sent;a.t4=this.showSuggestions;a.t5=!f.multiple;a.t6={items:"core_user/local/participantsfilter/autocomplete_selection_items",layout:"core_user/local/participantsfilter/autocomplete_layout",selection:"core_user/local/participantsfilter/autocomplete_selection"};a.t0.enhance.call(a.t0,a.t1,a.t2,null,a.t3,!1,a.t4,null,a.t5,a.t6);case 21:case"end":return a.stop();}}},a,this)}));return function addValueSelector(){return a.apply(this,arguments)}}()},{key:"filterRoot",get:function get(){return this.rootNode.querySelector(c.default.filter.byName(this.filterType))}},{key:"getSourceDataForFilter",value:function getSourceDataForFilter(){var a=this.rootNode.querySelector(c.default.filterset.regions.datasource);return a.querySelector(c.default.data.fields.byName(this.filterType))}},{key:"getFilterValueNode",value:function getFilterValueNode(){return this.filterRoot.querySelector(c.default.filter.regions.values)}},{key:"name",get:function get(){return this.filterType}},{key:"jointype",get:function get(){return parseInt(this.filterRoot.querySelector(c.default.filter.fields.join).value,10)}},{key:"rawValues",get:function get(){var a=this.getFilterValueNode(),b=a.querySelector("select");return Object.values(k(b)).map(function(a){return a.value})}},{key:"values",get:function get(){return this.rawValues.map(function(a){return parseInt(a,10)})}},{key:"filterValue",get:function get(){return{name:this.name,jointype:this.jointype,values:this.values}}}]);return a}();a.default=l;return a.default});
-//# sourceMappingURL=filter.min.js.map
+define("core_user/local/participantsfilter/filter",["exports","core/form-autocomplete","./selectors","core/str"],(function(_exports,_formAutocomplete,_selectors,_str){function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj}}function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0,_formAutocomplete=_interopRequireDefault(_formAutocomplete),_selectors=_interopRequireDefault(_selectors);var _default=function(){function _default(filterType,rootNode,initialValues){!function(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}(this,_default),this.filterType=filterType,this.rootNode=rootNode,this.addValueSelector(initialValues)}var Constructor,protoProps,staticProps,fn,_addValueSelector;return Constructor=_default,protoProps=[{key:"tearDown",value:function(){}},{key:"placeholder",get:function(){return(0,_str.get_string)("placeholdertypeorselect","core_user")}},{key:"showSuggestions",get:function(){return!0}},{key:"addValueSelector",value:(fn=regeneratorRuntime.mark((function _callee(){var initialValues,filterValueNode,dataSource,filterValueLabel,_this=this,_args=arguments;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:return initialValues=_args.length>0&&void 0!==_args[0]?_args[0]:[],(filterValueNode=this.getFilterValueNode()).innerHTML=this.getSourceDataForFilter().outerHTML,(dataSource=filterValueNode.querySelector("select")).id="filter-value-"+dataSource.getAttribute("data-field-name"),(filterValueLabel=document.createElement("label")).setAttribute("for",dataSource.id),filterValueLabel.classList.add("sr-only"),filterValueLabel.innerText=dataSource.getAttribute("data-field-title"),filterValueNode.appendChild(filterValueLabel),initialValues.forEach((function(filterValue){var selectedOption=dataSource.querySelector('option[value="'.concat(filterValue,'"]'));selectedOption?selectedOption.selected=!0:_this.showSuggestions||((selectedOption=document.createElement("option")).value=filterValue,selectedOption.innerHTML=filterValue,selectedOption.selected=!0,dataSource.append(selectedOption))})),_context.t0=_formAutocomplete.default,_context.t1=dataSource,_context.t2="1"==dataSource.dataset.allowCustom,_context.next=16,this.placeholder;case 16:_context.t3=_context.sent,_context.t4=this.showSuggestions,_context.t5=!dataSource.multiple,_context.t6={items:"core_user/local/participantsfilter/autocomplete_selection_items",layout:"core_user/local/participantsfilter/autocomplete_layout",selection:"core_user/local/participantsfilter/autocomplete_selection"},_context.t0.enhance.call(_context.t0,_context.t1,_context.t2,null,_context.t3,!1,_context.t4,null,_context.t5,_context.t6);case 21:case"end":return _context.stop()}}),_callee,this)})),_addValueSelector=function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))},function(){return _addValueSelector.apply(this,arguments)})},{key:"filterRoot",get:function(){return this.rootNode.querySelector(_selectors.default.filter.byName(this.filterType))}},{key:"getSourceDataForFilter",value:function(){return this.rootNode.querySelector(_selectors.default.filterset.regions.datasource).querySelector(_selectors.default.data.fields.byName(this.filterType))}},{key:"getFilterValueNode",value:function(){return this.filterRoot.querySelector(_selectors.default.filter.regions.values)}},{key:"name",get:function(){return this.filterType}},{key:"jointype",get:function(){return parseInt(this.filterRoot.querySelector(_selectors.default.filter.fields.join).value,10)}},{key:"rawValues",get:function(){var select,filterValueSelect=this.getFilterValueNode().querySelector("select");return Object.values((select=filterValueSelect,select.querySelectorAll(":checked"))).map((function(option){return option.value}))}},{key:"values",get:function(){return this.rawValues.map((function(option){return parseInt(option,10)}))}},{key:"filterValue",get:function(){return{name:this.name,jointype:this.jointype,values:this.values}}}],protoProps&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),_default}();return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=filter.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/local/participantsfilter/filter.min.js.map b/user/amd/build/local/participantsfilter/filter.min.js.map
index 9baa873efc7..ab3118bcf9b 100644
--- a/user/amd/build/local/participantsfilter/filter.min.js.map
+++ b/user/amd/build/local/participantsfilter/filter.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Base Filter class for a filter type in the participants filter UI.\n *\n * @module     core_user/local/participantsfilter/filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Autocomplete from 'core/form-autocomplete';\nimport Selectors from './selectors';\nimport {get_string as getString} from 'core/str';\n\n/**\n * Fetch all checked options in the select.\n *\n * This is a poor-man's polyfill for select.selectedOptions, which is not available in IE11.\n *\n * @param {HTMLSelectElement} select\n * @returns {HTMLOptionElement[]} All selected options\n */\nconst getOptionsForSelect = select => {\n    return select.querySelectorAll(':checked');\n};\n\nexport default class {\n\n    /**\n     * Constructor for a new filter.\n     *\n     * @param {String} filterType The type of filter that this relates to\n     * @param {HTMLElement} rootNode The root node for the participants filterset\n     * @param {Array} initialValues The initial values for the selector\n     */\n    constructor(filterType, rootNode, initialValues) {\n        this.filterType = filterType;\n        this.rootNode = rootNode;\n\n        this.addValueSelector(initialValues);\n    }\n\n    /**\n     * Perform any tear-down for this filter type.\n     */\n    tearDown() {\n        // eslint-disable-line no-empty-function\n    }\n\n    /**\n     * Get the placeholder to use when showing the value selector.\n     *\n     * @return {Promise} Resolving to a String\n     */\n    get placeholder() {\n        return getString('placeholdertypeorselect', 'core_user');\n    }\n\n    /**\n     * Whether to show suggestions in the autocomplete.\n     *\n     * @return {Boolean}\n     */\n    get showSuggestions() {\n        return true;\n    }\n\n    /**\n     * Add the value selector to the filter row.\n     *\n     * @param {Array} initialValues\n     */\n    async addValueSelector(initialValues = []) {\n        const filterValueNode = this.getFilterValueNode();\n\n        // Copy the data in place.\n        filterValueNode.innerHTML = this.getSourceDataForFilter().outerHTML;\n\n        const dataSource = filterValueNode.querySelector('select');\n\n        // Set an ID for this filter value element.\n        dataSource.id = 'filter-value-' + dataSource.getAttribute('data-field-name');\n\n        // Create a hidden label for the filter value.\n        const filterValueLabel = document.createElement('label');\n        filterValueLabel.setAttribute('for', dataSource.id);\n        filterValueLabel.classList.add('sr-only');\n        filterValueLabel.innerText = dataSource.getAttribute('data-field-title');\n\n        // Append this label to the filter value container.\n        filterValueNode.appendChild(filterValueLabel);\n\n        // If there are any initial values then attempt to apply them.\n        initialValues.forEach(filterValue => {\n            let selectedOption = dataSource.querySelector(`option[value=\"${filterValue}\"]`);\n            if (selectedOption) {\n                selectedOption.selected = true;\n            } else if (!this.showSuggestions) {\n                selectedOption = document.createElement('option');\n                selectedOption.value = filterValue;\n                selectedOption.innerHTML = filterValue;\n                selectedOption.selected = true;\n\n                dataSource.append(selectedOption);\n            }\n        });\n\n        Autocomplete.enhance(\n            // The source select element.\n            dataSource,\n\n            // Whether to allow 'tags' (custom entries).\n            dataSource.dataset.allowCustom == \"1\",\n\n            // We do not require AJAX at all as standard.\n            null,\n\n            // The string to use as a placeholder.\n            await this.placeholder,\n\n            // Disable case sensitivity on searches.\n            false,\n\n            // Show suggestions.\n            this.showSuggestions,\n\n            // Do not override the 'no suggestions' string.\n            null,\n\n            // Close the suggestions if this is not a multi-select.\n            !dataSource.multiple,\n\n            // Template overrides.\n            {\n                items: 'core_user/local/participantsfilter/autocomplete_selection_items',\n                layout: 'core_user/local/participantsfilter/autocomplete_layout',\n                selection: 'core_user/local/participantsfilter/autocomplete_selection',\n            }\n        );\n    }\n\n    /**\n     * Get the root node for this filter.\n     *\n     * @returns {HTMLElement}\n     */\n    get filterRoot() {\n        return this.rootNode.querySelector(Selectors.filter.byName(this.filterType));\n    }\n\n    /**\n     * Get the possible data for this filter type.\n     *\n     * @returns {Array}\n     */\n    getSourceDataForFilter() {\n        const filterDataNode = this.rootNode.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(this.filterType));\n    }\n\n    /**\n     * Get the HTMLElement which contains the value selector.\n     *\n     * @returns {HTMLElement}\n     */\n    getFilterValueNode() {\n        return this.filterRoot.querySelector(Selectors.filter.regions.values);\n    }\n\n    /**\n     * Get the name of this filter.\n     *\n     * @returns {String}\n     */\n    get name() {\n        return this.filterType;\n    }\n\n    /**\n     * Get the type of join specified.\n     *\n     * @returns {Number}\n     */\n    get jointype() {\n        return parseInt(this.filterRoot.querySelector(Selectors.filter.fields.join).value, 10);\n    }\n\n    /**\n     * Get the list of raw values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get rawValues() {\n        const filterValueNode = this.getFilterValueNode();\n        const filterValueSelect = filterValueNode.querySelector('select');\n\n        return Object.values(getOptionsForSelect(filterValueSelect)).map(option => option.value);\n    }\n\n    /**\n     * Get the list of values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get values() {\n        return this.rawValues.map(option => parseInt(option, 10));\n    }\n\n    /**\n     * Get the composed value for this filter.\n     *\n     * @returns {Object}\n     */\n    get filterValue() {\n        return {\n            name: this.name,\n            jointype: this.jointype,\n            values: this.values,\n        };\n    }\n}\n"],"file":"filter.min.js"}
\ No newline at end of file
+{"version":3,"file":"filter.min.js","sources":["../../../src/local/participantsfilter/filter.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Base Filter class for a filter type in the participants filter UI.\n *\n * @module     core_user/local/participantsfilter/filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Autocomplete from 'core/form-autocomplete';\nimport Selectors from './selectors';\nimport {get_string as getString} from 'core/str';\n\n/**\n * Fetch all checked options in the select.\n *\n * This is a poor-man's polyfill for select.selectedOptions, which is not available in IE11.\n *\n * @param {HTMLSelectElement} select\n * @returns {HTMLOptionElement[]} All selected options\n */\nconst getOptionsForSelect = select => {\n    return select.querySelectorAll(':checked');\n};\n\nexport default class {\n\n    /**\n     * Constructor for a new filter.\n     *\n     * @param {String} filterType The type of filter that this relates to\n     * @param {HTMLElement} rootNode The root node for the participants filterset\n     * @param {Array} initialValues The initial values for the selector\n     */\n    constructor(filterType, rootNode, initialValues) {\n        this.filterType = filterType;\n        this.rootNode = rootNode;\n\n        this.addValueSelector(initialValues);\n    }\n\n    /**\n     * Perform any tear-down for this filter type.\n     */\n    tearDown() {\n        // eslint-disable-line no-empty-function\n    }\n\n    /**\n     * Get the placeholder to use when showing the value selector.\n     *\n     * @return {Promise} Resolving to a String\n     */\n    get placeholder() {\n        return getString('placeholdertypeorselect', 'core_user');\n    }\n\n    /**\n     * Whether to show suggestions in the autocomplete.\n     *\n     * @return {Boolean}\n     */\n    get showSuggestions() {\n        return true;\n    }\n\n    /**\n     * Add the value selector to the filter row.\n     *\n     * @param {Array} initialValues\n     */\n    async addValueSelector(initialValues = []) {\n        const filterValueNode = this.getFilterValueNode();\n\n        // Copy the data in place.\n        filterValueNode.innerHTML = this.getSourceDataForFilter().outerHTML;\n\n        const dataSource = filterValueNode.querySelector('select');\n\n        // Set an ID for this filter value element.\n        dataSource.id = 'filter-value-' + dataSource.getAttribute('data-field-name');\n\n        // Create a hidden label for the filter value.\n        const filterValueLabel = document.createElement('label');\n        filterValueLabel.setAttribute('for', dataSource.id);\n        filterValueLabel.classList.add('sr-only');\n        filterValueLabel.innerText = dataSource.getAttribute('data-field-title');\n\n        // Append this label to the filter value container.\n        filterValueNode.appendChild(filterValueLabel);\n\n        // If there are any initial values then attempt to apply them.\n        initialValues.forEach(filterValue => {\n            let selectedOption = dataSource.querySelector(`option[value=\"${filterValue}\"]`);\n            if (selectedOption) {\n                selectedOption.selected = true;\n            } else if (!this.showSuggestions) {\n                selectedOption = document.createElement('option');\n                selectedOption.value = filterValue;\n                selectedOption.innerHTML = filterValue;\n                selectedOption.selected = true;\n\n                dataSource.append(selectedOption);\n            }\n        });\n\n        Autocomplete.enhance(\n            // The source select element.\n            dataSource,\n\n            // Whether to allow 'tags' (custom entries).\n            dataSource.dataset.allowCustom == \"1\",\n\n            // We do not require AJAX at all as standard.\n            null,\n\n            // The string to use as a placeholder.\n            await this.placeholder,\n\n            // Disable case sensitivity on searches.\n            false,\n\n            // Show suggestions.\n            this.showSuggestions,\n\n            // Do not override the 'no suggestions' string.\n            null,\n\n            // Close the suggestions if this is not a multi-select.\n            !dataSource.multiple,\n\n            // Template overrides.\n            {\n                items: 'core_user/local/participantsfilter/autocomplete_selection_items',\n                layout: 'core_user/local/participantsfilter/autocomplete_layout',\n                selection: 'core_user/local/participantsfilter/autocomplete_selection',\n            }\n        );\n    }\n\n    /**\n     * Get the root node for this filter.\n     *\n     * @returns {HTMLElement}\n     */\n    get filterRoot() {\n        return this.rootNode.querySelector(Selectors.filter.byName(this.filterType));\n    }\n\n    /**\n     * Get the possible data for this filter type.\n     *\n     * @returns {Array}\n     */\n    getSourceDataForFilter() {\n        const filterDataNode = this.rootNode.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(this.filterType));\n    }\n\n    /**\n     * Get the HTMLElement which contains the value selector.\n     *\n     * @returns {HTMLElement}\n     */\n    getFilterValueNode() {\n        return this.filterRoot.querySelector(Selectors.filter.regions.values);\n    }\n\n    /**\n     * Get the name of this filter.\n     *\n     * @returns {String}\n     */\n    get name() {\n        return this.filterType;\n    }\n\n    /**\n     * Get the type of join specified.\n     *\n     * @returns {Number}\n     */\n    get jointype() {\n        return parseInt(this.filterRoot.querySelector(Selectors.filter.fields.join).value, 10);\n    }\n\n    /**\n     * Get the list of raw values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get rawValues() {\n        const filterValueNode = this.getFilterValueNode();\n        const filterValueSelect = filterValueNode.querySelector('select');\n\n        return Object.values(getOptionsForSelect(filterValueSelect)).map(option => option.value);\n    }\n\n    /**\n     * Get the list of values for this filter type.\n     *\n     * @returns {Array}\n     */\n    get values() {\n        return this.rawValues.map(option => parseInt(option, 10));\n    }\n\n    /**\n     * Get the composed value for this filter.\n     *\n     * @returns {Object}\n     */\n    get filterValue() {\n        return {\n            name: this.name,\n            jointype: this.jointype,\n            values: this.values,\n        };\n    }\n}\n"],"names":["filterType","rootNode","initialValues","addValueSelector","filterValueNode","this","getFilterValueNode","innerHTML","getSourceDataForFilter","outerHTML","dataSource","querySelector","id","getAttribute","filterValueLabel","document","createElement","setAttribute","classList","add","innerText","appendChild","forEach","filterValue","selectedOption","selected","_this","showSuggestions","value","append","Autocomplete","dataset","allowCustom","placeholder","multiple","items","layout","selection","enhance","Selectors","filter","byName","filterset","regions","datasource","data","fields","filterRoot","values","parseInt","join","select","filterValueSelect","Object","querySelectorAll","map","option","rawValues","name","jointype"],"mappings":"48BAgDgBA,WAAYC,SAAUC,mKACzBF,WAAaA,gBACbC,SAAWA,cAEXE,iBAAiBD,yIAM1B,qCASA,kBACW,mBAAU,0BAA2B,0CAQhD,kBACW,+DAQX,wNAAuBA,yDAAgB,IAC7BE,gBAAkBC,KAAKC,sBAGbC,UAAYF,KAAKG,yBAAyBC,WAEpDC,WAAaN,gBAAgBO,cAAc,WAGtCC,GAAK,gBAAkBF,WAAWG,aAAa,oBAGpDC,iBAAmBC,SAASC,cAAc,UAC/BC,aAAa,MAAOP,WAAWE,IAChDE,iBAAiBI,UAAUC,IAAI,WAC/BL,iBAAiBM,UAAYV,WAAWG,aAAa,oBAGrDT,gBAAgBiB,YAAYP,kBAG5BZ,cAAcoB,SAAQ,SAAAC,iBACdC,eAAiBd,WAAWC,sCAA+BY,mBAC3DC,eACAA,eAAeC,UAAW,EAClBC,MAAKC,mBACbH,eAAiBT,SAASC,cAAc,WACzBY,MAAQL,YACvBC,eAAejB,UAAYgB,YAC3BC,eAAeC,UAAW,EAE1Bf,WAAWmB,OAAOL,gCAI1BM,sCAEIpB,uBAGkC,KAAlCA,WAAWqB,QAAQC,6BAMb3B,KAAK4B,0DAMX5B,KAAKsB,6BAMJjB,WAAWwB,qBAGZ,CACIC,MAAO,kEACPC,OAAQ,yDACRC,UAAW,yEA7BNC,iDAQT,kBAMA,cAMA,+eAmBR,kBACWjC,KAAKJ,SAASU,cAAc4B,mBAAUC,OAAOC,OAAOpC,KAAKL,mDAQpE,kBAC2BK,KAAKJ,SAASU,cAAc4B,mBAAUG,UAAUC,QAAQC,YAEzDjC,cAAc4B,mBAAUM,KAAKC,OAAOL,OAAOpC,KAAKL,+CAQ1E,kBACWK,KAAK0C,WAAWpC,cAAc4B,mBAAUC,OAAOG,QAAQK,0BAQlE,kBACW3C,KAAKL,iCAQhB,kBACWiD,SAAS5C,KAAK0C,WAAWpC,cAAc4B,mBAAUC,OAAOM,OAAOI,MAAMtB,MAAO,2BAQvF,eA3KwBuB,OA6KdC,kBADkB/C,KAAKC,qBACaK,cAAc,iBAEjD0C,OAAOL,QA/KMG,OA+KqBC,kBA9KtCD,OAAOG,iBAAiB,cA8KkCC,KAAI,SAAAC,eAAUA,OAAO5B,6BAQtF,kBACWvB,KAAKoD,UAAUF,KAAI,SAAAC,eAAUP,SAASO,OAAQ,gCAQzD,iBACW,CACHE,KAAMrD,KAAKqD,KACXC,SAAUtD,KAAKsD,SACfX,OAAQ3C,KAAK2C"}
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diff --git a/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js b/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js
index e8120491892..d135958c61a 100644
--- a/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js
+++ b/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js
@@ -1,2 +1,3 @@
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diff --git a/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js.map b/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js.map
index 9e4d4f53413..28edc76e849 100644
--- a/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js.map
+++ b/user/amd/build/local/participantsfilter/filtertypes/courseid.min.js.map
@@ -1 +1 @@
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+{"version":3,"file":"courseid.min.js","sources":["../../../../src/local/participantsfilter/filtertypes/courseid.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Course ID filter.\n *\n * @module     core_user/local/participantsfilter/filtertypes/courseid\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Filter from '../filter';\n\nexport default class extends Filter {\n    constructor(filterType, filterSet) {\n        super(filterType, filterSet);\n    }\n\n    async addValueSelector() {\n        // eslint-disable-line no-empty-function\n    }\n\n    /**\n     * Get the composed value for this filter.\n     *\n     * @returns {Object}\n     */\n    get filterValue() {\n        return {\n            name: this.name,\n            jointype: 1,\n            values: [parseInt(this.rootNode.dataset.tableCourseId, 10)],\n        };\n    }\n}\n"],"names":["filterType","filterSet","name","this","jointype","values","parseInt","rootNode","dataset","tableCourseId"],"mappings":"ytFA0BgBA,WAAYC,iLACdD,WAAYC,8GAGtB,6jBASA,iBACW,CACHC,KAAMC,KAAKD,KACXE,SAAU,EACVC,OAAQ,CAACC,SAASH,KAAKI,SAASC,QAAQC,cAAe"}
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diff --git a/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js b/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js
index f40b23ab919..7b74d6c9fb4 100644
--- a/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js
+++ b/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js
@@ -1,2 +1,3 @@
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+function _typeof(obj){return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(obj){return typeof obj}:function(obj){return obj&&"function"==typeof Symbol&&obj.constructor===Symbol&&obj!==Symbol.prototype?"symbol":typeof obj},_typeof(obj)}define("core_user/local/participantsfilter/filtertypes/keyword",["exports","../filter","core/str"],(function(_exports,_filter,_str){var obj;function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor))throw new TypeError("Cannot call a class as a function")}function _defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||!1,descriptor.configurable=!0,"value"in descriptor&&(descriptor.writable=!0),Object.defineProperty(target,descriptor.key,descriptor)}}function _setPrototypeOf(o,p){return _setPrototypeOf=Object.setPrototypeOf||function(o,p){return o.__proto__=p,o},_setPrototypeOf(o,p)}function _createSuper(Derived){var hasNativeReflectConstruct=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],(function(){}))),!0}catch(e){return!1}}();return function(){var result,Super=_getPrototypeOf(Derived);if(hasNativeReflectConstruct){var NewTarget=_getPrototypeOf(this).constructor;result=Reflect.construct(Super,arguments,NewTarget)}else result=Super.apply(this,arguments);return _possibleConstructorReturn(this,result)}}function _possibleConstructorReturn(self,call){if(call&&("object"===_typeof(call)||"function"==typeof call))return call;if(void 0!==call)throw new TypeError("Derived constructors may only return object or undefined");return function(self){if(void 0===self)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return self}(self)}function _getPrototypeOf(o){return _getPrototypeOf=Object.setPrototypeOf?Object.getPrototypeOf:function(o){return o.__proto__||Object.getPrototypeOf(o)},_getPrototypeOf(o)}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;var _default=function(_Filter){!function(subClass,superClass){if("function"!=typeof superClass&&null!==superClass)throw new TypeError("Super expression must either be null or a function");subClass.prototype=Object.create(superClass&&superClass.prototype,{constructor:{value:subClass,writable:!0,configurable:!0}}),Object.defineProperty(subClass,"prototype",{writable:!1}),superClass&&_setPrototypeOf(subClass,superClass)}(_default,_Filter);var Constructor,protoProps,staticProps,_super=_createSuper(_default);function _default(){return _classCallCheck(this,_default),_super.apply(this,arguments)}return Constructor=_default,(protoProps=[{key:"values",get:function(){return this.rawValues}},{key:"placeholder",get:function(){return(0,_str.get_string)("placeholdertype","core_user")}},{key:"showSuggestions",get:function(){return!1}}])&&_defineProperties(Constructor.prototype,protoProps),staticProps&&_defineProperties(Constructor,staticProps),Object.defineProperty(Constructor,"prototype",{writable:!1}),_default}((_filter=(obj=_filter)&&obj.__esModule?obj:{default:obj}).default);return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=keyword.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js.map b/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js.map
index 61fc1214d1f..e4b358c98cc 100644
--- a/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js.map
+++ b/user/amd/build/local/participantsfilter/filtertypes/keyword.min.js.map
@@ -1 +1 @@
-{"version":3,"sources":["../../../../src/local/participantsfilter/filtertypes/keyword.js"],"names":["rawValues","Filter"],"mappings":"qdAuBA,uD,+rDASI,cAAa,CACT,MAAO,MAAKA,SACf,C,yBAOD,cAAkB,CACd,MAAO,iBAAU,iBAAV,CAA6B,WAA7B,CACV,C,6BAOD,cAAsB,CAClB,QACH,C,cA1BwBC,S","sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Keyword filter.\n *\n * @module     core_user/local/participantsfilter/filtertypes/keyword\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Filter from '../filter';\nimport {get_string as getString} from 'core/str';\n\nexport default class extends Filter {\n    /**\n     * For keywords the final value is an Array of strings.\n     *\n     * @returns {Object}\n     */\n    get values() {\n        return this.rawValues;\n    }\n\n    /**\n     * Get the placeholder to use when showing the value selector.\n     *\n     * @return {Promise} Resolving to a String\n     */\n    get placeholder() {\n        return getString('placeholdertype', 'core_user');\n    }\n\n    /**\n     * Whether to show suggestions in the autocomplete.\n     *\n     * @return {Boolean}\n     */\n    get showSuggestions() {\n        return false;\n    }\n}\n"],"file":"keyword.min.js"}
\ No newline at end of file
+{"version":3,"file":"keyword.min.js","sources":["../../../../src/local/participantsfilter/filtertypes/keyword.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Keyword filter.\n *\n * @module     core_user/local/participantsfilter/filtertypes/keyword\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\nimport Filter from '../filter';\nimport {get_string as getString} from 'core/str';\n\nexport default class extends Filter {\n    /**\n     * For keywords the final value is an Array of strings.\n     *\n     * @returns {Object}\n     */\n    get values() {\n        return this.rawValues;\n    }\n\n    /**\n     * Get the placeholder to use when showing the value selector.\n     *\n     * @return {Promise} Resolving to a String\n     */\n    get placeholder() {\n        return getString('placeholdertype', 'core_user');\n    }\n\n    /**\n     * Whether to show suggestions in the autocomplete.\n     *\n     * @return {Boolean}\n     */\n    get showSuggestions() {\n        return false;\n    }\n}\n"],"names":["this","rawValues"],"mappings":"swFAgCI,kBACWA,KAAKC,mCAQhB,kBACW,mBAAU,kBAAmB,0CAQxC,kBACW"}
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diff --git a/user/amd/build/local/participantsfilter/selectors.min.js b/user/amd/build/local/participantsfilter/selectors.min.js
index 69b63a7f064..07720c256ae 100644
--- a/user/amd/build/local/participantsfilter/selectors.min.js
+++ b/user/amd/build/local/participantsfilter/selectors.min.js
@@ -1,2 +1,12 @@
-define ("core_user/local/participantsfilter/selectors",["exports"],function(a){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.default=void 0;var b=function(a){return"[data-filterregion=\"".concat(a,"\"]")},c=function(a){return"[data-filteraction=\"".concat(a,"\"]")},d=function(a){return"[data-filterfield=\"".concat(a,"\"]")},e={filter:{region:b("filter"),actions:{remove:c("remove")},fields:{join:d("join"),type:d("type")},regions:{values:b("value")},byName:function byName(a){return"".concat(b("filter"),"[data-filter-type=\"").concat(a,"\"]")}},filterset:{region:b("actions"),actions:{addRow:c("add"),applyFilters:c("apply"),resetFilters:c("reset")},regions:{filtermatch:b("filtermatch"),filterlist:b("filters"),datasource:b("filtertypedata")},fields:{join:"".concat(b("filtermatch")," ").concat(d("join"))}},data:{fields:{byName:function byName(a){return"[data-field-name=\"".concat(a,"\"]")},all:"".concat(b("filtertypedata")," [data-field-name]")},typeList:b("filtertypelist"),typeListSelect:"select".concat(b("filtertypelist"))}};a.default=e;return a.default});
-//# sourceMappingURL=selectors.min.js.map
+define("core_user/local/participantsfilter/selectors",["exports"],(function(_exports){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.default=void 0;
+/**
+   * Module containing the selectors for user filters.
+   *
+   * @module     core_user/local/user_filter/selectors
+   * @package    core_user
+   * @copyright  2020 Michael Hawkins <michaelh@moodle.com>
+   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+   */
+var getFilterRegion=function(region){return'[data-filterregion="'.concat(region,'"]')},getFilterAction=function(action){return'[data-filteraction="'.concat(action,'"]')},getFilterField=function(field){return'[data-filterfield="'.concat(field,'"]')},_default={filter:{region:getFilterRegion("filter"),actions:{remove:getFilterAction("remove")},fields:{join:getFilterField("join"),type:getFilterField("type")},regions:{values:getFilterRegion("value")},byName:function(name){return"".concat(getFilterRegion("filter"),'[data-filter-type="').concat(name,'"]')}},filterset:{region:getFilterRegion("actions"),actions:{addRow:getFilterAction("add"),applyFilters:getFilterAction("apply"),resetFilters:getFilterAction("reset")},regions:{filtermatch:getFilterRegion("filtermatch"),filterlist:getFilterRegion("filters"),datasource:getFilterRegion("filtertypedata")},fields:{join:"".concat(getFilterRegion("filtermatch")," ").concat(getFilterField("join"))}},data:{fields:{byName:function(name){return'[data-field-name="'.concat(name,'"]')},all:"".concat(getFilterRegion("filtertypedata")," [data-field-name]")},typeList:getFilterRegion("filtertypelist"),typeListSelect:"select".concat(getFilterRegion("filtertypelist"))}};return _exports.default=_default,_exports.default}));
+
+//# sourceMappingURL=selectors.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/local/participantsfilter/selectors.min.js.map b/user/amd/build/local/participantsfilter/selectors.min.js.map
index 15c6dd79917..5ea84039e13 100644
--- a/user/amd/build/local/participantsfilter/selectors.min.js.map
+++ b/user/amd/build/local/participantsfilter/selectors.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
+{"version":3,"file":"selectors.min.js","sources":["../../../src/local/participantsfilter/selectors.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Module containing the selectors for user filters.\n *\n * @module     core_user/local/user_filter/selectors\n * @package    core_user\n * @copyright  2020 Michael Hawkins <michaelh@moodle.com>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nconst getFilterRegion = region => `[data-filterregion=\"${region}\"]`;\nconst getFilterAction = action => `[data-filteraction=\"${action}\"]`;\nconst getFilterField = field => `[data-filterfield=\"${field}\"]`;\n\nexport default {\n    filter: {\n        region: getFilterRegion('filter'),\n        actions: {\n            remove: getFilterAction('remove'),\n        },\n        fields: {\n            join: getFilterField('join'),\n            type: getFilterField('type'),\n        },\n        regions: {\n            values: getFilterRegion('value'),\n        },\n        byName: name => `${getFilterRegion('filter')}[data-filter-type=\"${name}\"]`,\n    },\n    filterset: {\n        region: getFilterRegion('actions'),\n        actions: {\n            addRow: getFilterAction('add'),\n            applyFilters: getFilterAction('apply'),\n            resetFilters: getFilterAction('reset'),\n        },\n        regions: {\n            filtermatch: getFilterRegion('filtermatch'),\n            filterlist: getFilterRegion('filters'),\n            datasource: getFilterRegion('filtertypedata'),\n        },\n        fields: {\n            join: `${getFilterRegion('filtermatch')} ${getFilterField('join')}`,\n        },\n    },\n    data: {\n        fields: {\n            byName: name => `[data-field-name=\"${name}\"]`,\n            all: `${getFilterRegion('filtertypedata')} [data-field-name]`,\n        },\n        typeList: getFilterRegion('filtertypelist'),\n        typeListSelect: `select${getFilterRegion('filtertypelist')}`,\n    },\n};\n"],"names":["getFilterRegion","region","getFilterAction","action","getFilterField","field","filter","actions","remove","fields","join","type","regions","values","byName","name","filterset","addRow","applyFilters","resetFilters","filtermatch","filterlist","datasource","data","all","typeList","typeListSelect"],"mappings":";;;;;;;;;IAwBMA,gBAAkB,SAAAC,4CAAiCA,cACnDC,gBAAkB,SAAAC,4CAAiCA,cACnDC,eAAiB,SAAAC,0CAA+BA,sBAEvC,CACXC,OAAQ,CACJL,OAAQD,gBAAgB,UACxBO,QAAS,CACLC,OAAQN,gBAAgB,WAE5BO,OAAQ,CACJC,KAAMN,eAAe,QACrBO,KAAMP,eAAe,SAEzBQ,QAAS,CACLC,OAAQb,gBAAgB,UAE5Bc,OAAQ,SAAAC,sBAAWf,gBAAgB,wCAA+Be,aAEtEC,UAAW,CACPf,OAAQD,gBAAgB,WACxBO,QAAS,CACLU,OAAQf,gBAAgB,OACxBgB,aAAchB,gBAAgB,SAC9BiB,aAAcjB,gBAAgB,UAElCU,QAAS,CACLQ,YAAapB,gBAAgB,eAC7BqB,WAAYrB,gBAAgB,WAC5BsB,WAAYtB,gBAAgB,mBAEhCS,OAAQ,CACJC,eAASV,gBAAgB,2BAAkBI,eAAe,WAGlEmB,KAAM,CACFd,OAAQ,CACJK,OAAQ,SAAAC,wCAA6BA,YACrCS,cAAQxB,gBAAgB,yCAE5ByB,SAAUzB,gBAAgB,kBAC1B0B,+BAAyB1B,gBAAgB"}
\ No newline at end of file
diff --git a/user/amd/build/participants.min.js b/user/amd/build/participants.min.js
index b370ba5dbda..42f87b420a0 100644
--- a/user/amd/build/participants.min.js
+++ b/user/amd/build/participants.min.js
@@ -1,2 +1,3 @@
-function _typeof(a){"@babel/helpers - typeof";return _typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},_typeof(a)}define ("core_user/participants",["exports","core_table/dynamic","core/str","core/checkbox-toggleall","core/custom_interaction_events","core_table/local/dynamic/selectors","core/modal_events","core/notification","core/pending","jquery","core_user/local/participants/bulkactions"],function(a,b,c,d,e,f,g,h,i,j,k){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.init=void 0;b=n(b);c=n(c);d=l(d);e=l(e);f=l(f);g=l(g);h=l(h);i=l(i);j=l(j);function l(a){return a&&a.__esModule?a:{default:a}}function m(a){if("function"!=typeof WeakMap)return null;var b=new WeakMap,c=new WeakMap;return(m=function(a){return a?c:b})(a)}function n(a,b){if(!b&&a&&a.__esModule){return 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-//# sourceMappingURL=participants.min.js.map
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pageCountStrings=[{key:"countparticipantsfound",component:"core_user",param:totalRowCount}];totalRowCount<=defaultPageSize?(showCountLink.classList.add("hidden"),checkCountButton&&checkCountButton.classList.add("hidden")):totalRowCount<=currentPageSize?(pageCountStrings.push({key:"showperpage",component:"core",param:defaultPageSize}),pageCountStrings.push({key:"selectalluserswithcount",component:"core",param:defaultPageSize}),showCountLink.classList.remove("hidden"),showCountLink.dataset.targetPageSize=defaultPageSize,checkCountButton&&checkCountButton.classList.add("hidden")):(pageCountStrings.push({key:"showall",component:"core",param:totalRowCount}),pageCountStrings.push({key:"selectalluserswithcount",component:"core",param:totalRowCount}),showCountLink.classList.remove("hidden"),showCountLink.dataset.targetPageSize=totalRowCount,checkCountButton&&checkCountButton.classList.remove("hidden")),Str.get_strings(pageCountStrings).then((function(_ref2){var 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+
+//# sourceMappingURL=participants.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/participants.min.js.map b/user/amd/build/participants.min.js.map
index 0d5c5ccf194..2002b0684c1 100644
--- a/user/amd/build/participants.min.js.map
+++ b/user/amd/build/participants.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Some UI stuff for participants page.\n * This is also used by the report/participants/index.php because it has the same functionality.\n *\n * @module     core_user/participants\n * @package    core_user\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Str from 'core/str';\nimport CheckboxToggleAll from 'core/checkbox-toggleall';\nimport CustomEvents from 'core/custom_interaction_events';\nimport DynamicTableSelectors from 'core_table/local/dynamic/selectors';\nimport ModalEvents from 'core/modal_events';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\nimport jQuery from 'jquery';\nimport {showAddNote, showSendMessage} from 'core_user/local/participants/bulkactions';\n\nconst Selectors = {\n    bulkActionSelect: \"#formactionid\",\n    bulkUserSelectedCheckBoxes: \"input[data-togglegroup='participants-table'][data-toggle='slave']:checked\",\n    checkCountButton: \"#checkall\",\n    showCountText: '[data-region=\"participant-count\"]',\n    showCountToggle: '[data-action=\"showcount\"]',\n    stateHelpIcon: '[data-region=\"state-help-icon\"]',\n    tableForm: uniqueId => `form[data-table-unique-id=\"${uniqueId}\"]`,\n};\n\nexport const init = ({\n    uniqueid,\n    noteStateNames = {},\n}) => {\n    const root = document.querySelector(Selectors.tableForm(uniqueid));\n    const getTableFromUniqueId = uniqueId => root.querySelector(DynamicTableSelectors.main.fromRegionId(uniqueId));\n\n    /**\n     * Private method.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    const registerEventListeners = () => {\n        CustomEvents.define(Selectors.bulkActionSelect, [CustomEvents.events.accessibleChange]);\n        jQuery(Selectors.bulkActionSelect).on(CustomEvents.events.accessibleChange, e => {\n            const bulkActionSelect = e.target.closest('select');\n            const action = bulkActionSelect.value;\n            const tableRoot = getTableFromUniqueId(uniqueid);\n            const checkboxes = tableRoot.querySelectorAll(Selectors.bulkUserSelectedCheckBoxes);\n            const pendingPromise = new Pending('core_user/participants:bulkActionSelect');\n\n            if (action.indexOf('#') !== -1) {\n                e.preventDefault();\n\n                const ids = [];\n                checkboxes.forEach(checkbox => {\n                    ids.push(checkbox.getAttribute('name').replace('user', ''));\n                });\n\n                let bulkAction;\n                if (action === '#messageselect') {\n                    bulkAction = showSendMessage(ids);\n                } else if (action === '#addgroupnote') {\n                    bulkAction = showAddNote(\n                        root.dataset.courseId,\n                        ids,\n                        noteStateNames,\n                        root.querySelector(Selectors.stateHelpIcon)\n                    );\n                }\n\n                if (bulkAction) {\n                    const pendingBulkAction = new Pending('core_user/participants:bulkActionSelected');\n                    bulkAction\n                    .then(modal => {\n                        modal.getRoot().on(ModalEvents.hidden, () => {\n                            // Focus on the action select when the dialog is closed.\n                            bulkActionSelect.focus();\n                        });\n\n                        pendingBulkAction.resolve();\n                        return modal;\n                    })\n                    .catch(Notification.exception);\n                }\n            } else if (action !== '' && checkboxes.length) {\n                bulkActionSelect.form.submit();\n            }\n\n            resetBulkAction(bulkActionSelect);\n            pendingPromise.resolve();\n        });\n\n        root.addEventListener('click', e => {\n            // Handle clicking of the \"Show [all|count]\" and \"Select all\" actions.\n            const showCountLink = root.querySelector(Selectors.showCountToggle);\n            const checkCountButton = root.querySelector(Selectors.checkCountButton);\n\n            const showCountLinkClicked = showCountLink && showCountLink.contains(e.target);\n            const checkCountButtonClicked = checkCountButton && checkCountButton.contains(e.target);\n\n            if (showCountLinkClicked || checkCountButtonClicked) {\n                e.preventDefault();\n\n                const tableRoot = getTableFromUniqueId(uniqueid);\n\n                DynamicTable.setPageSize(tableRoot, showCountLink.dataset.targetPageSize)\n                .then(tableRoot => {\n                    // Always update the toggle state.\n                    // This ensures that the bulk actions are disabled after changing the page size.\n                    CheckboxToggleAll.setGroupState(root, 'participants-table', checkCountButtonClicked);\n\n                    return tableRoot;\n                })\n                .catch(Notification.exception);\n            }\n        });\n\n        // When the content is refreshed, update the row counts in various places.\n        root.addEventListener(DynamicTable.Events.tableContentRefreshed, e => {\n            const showCountLink = root.querySelector(Selectors.showCountToggle);\n            const checkCountButton = root.querySelector(Selectors.checkCountButton);\n\n            const tableRoot = e.target;\n\n            const defaultPageSize = parseInt(root.dataset.tableDefaultPerPage, 10);\n            const currentPageSize = parseInt(tableRoot.dataset.tablePageSize, 10);\n            const totalRowCount = parseInt(tableRoot.dataset.tableTotalRows, 10);\n\n            CheckboxToggleAll.updateSlavesFromMasterState(root, 'participants-table');\n\n            const pageCountStrings = [\n                {\n                    key: 'countparticipantsfound',\n                    component: 'core_user',\n                    param: totalRowCount,\n                },\n            ];\n\n\n            if (totalRowCount <= defaultPageSize) {\n                // There are fewer than the default page count numbers of rows.\n                showCountLink.classList.add('hidden');\n\n                if (checkCountButton) {\n                    checkCountButton.classList.add('hidden');\n                }\n            } else if (totalRowCount <= currentPageSize) {\n                // The are fewer than the current page size.\n                pageCountStrings.push({\n                    key: 'showperpage',\n                    component: 'core',\n                    param: defaultPageSize,\n                });\n\n                pageCountStrings.push({\n                    key: 'selectalluserswithcount',\n                    component: 'core',\n                    param: defaultPageSize,\n                });\n\n                // Show the 'Show [x]' link.\n                showCountLink.classList.remove('hidden');\n                showCountLink.dataset.targetPageSize = defaultPageSize;\n\n                if (checkCountButton) {\n                    // The 'Check all [x]' button is only visible when there are values to set.\n                    checkCountButton.classList.add('hidden');\n                }\n            } else {\n                pageCountStrings.push({\n                    key: 'showall',\n                    component: 'core',\n                    param: totalRowCount,\n                });\n\n                pageCountStrings.push({\n                    key: 'selectalluserswithcount',\n                    component: 'core',\n                    param: totalRowCount,\n                });\n\n                // Show both the 'Show [x]' link, and the 'Check all [x]' button.\n                showCountLink.classList.remove('hidden');\n                showCountLink.dataset.targetPageSize = totalRowCount;\n\n                if (checkCountButton) {\n                    checkCountButton.classList.remove('hidden');\n                }\n            }\n\n            Str.get_strings(pageCountStrings)\n            .then(([showingParticipantCountString, showCountString, selectCountString]) => {\n                const showingParticipantCount = root.querySelector(Selectors.showCountText);\n                showingParticipantCount.innerHTML = showingParticipantCountString;\n\n                if (showCountString) {\n                    showCountLink.innerHTML = showCountString;\n                }\n\n                if (selectCountString && checkCountButton) {\n                    checkCountButton.value = selectCountString;\n                }\n\n                return;\n            })\n            .catch(Notification.exception);\n        });\n    };\n\n    const resetBulkAction = bulkActionSelect => {\n        bulkActionSelect.value = '';\n    };\n\n    registerEventListeners();\n};\n"],"file":"participants.min.js"}
\ No newline at end of file
+{"version":3,"file":"participants.min.js","sources":["../src/participants.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Some UI stuff for participants page.\n * This is also used by the report/participants/index.php because it has the same functionality.\n *\n * @module     core_user/participants\n * @package    core_user\n * @copyright  2017 Damyon Wiese\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Str from 'core/str';\nimport CheckboxToggleAll from 'core/checkbox-toggleall';\nimport CustomEvents from 'core/custom_interaction_events';\nimport DynamicTableSelectors from 'core_table/local/dynamic/selectors';\nimport ModalEvents from 'core/modal_events';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\nimport jQuery from 'jquery';\nimport {showAddNote, showSendMessage} from 'core_user/local/participants/bulkactions';\n\nconst Selectors = {\n    bulkActionSelect: \"#formactionid\",\n    bulkUserSelectedCheckBoxes: \"input[data-togglegroup='participants-table'][data-toggle='slave']:checked\",\n    checkCountButton: \"#checkall\",\n    showCountText: '[data-region=\"participant-count\"]',\n    showCountToggle: '[data-action=\"showcount\"]',\n    stateHelpIcon: '[data-region=\"state-help-icon\"]',\n    tableForm: uniqueId => `form[data-table-unique-id=\"${uniqueId}\"]`,\n};\n\nexport const init = ({\n    uniqueid,\n    noteStateNames = {},\n}) => {\n    const root = document.querySelector(Selectors.tableForm(uniqueid));\n    const getTableFromUniqueId = uniqueId => root.querySelector(DynamicTableSelectors.main.fromRegionId(uniqueId));\n\n    /**\n     * Private method.\n     *\n     * @method registerEventListeners\n     * @private\n     */\n    const registerEventListeners = () => {\n        CustomEvents.define(Selectors.bulkActionSelect, [CustomEvents.events.accessibleChange]);\n        jQuery(Selectors.bulkActionSelect).on(CustomEvents.events.accessibleChange, e => {\n            const bulkActionSelect = e.target.closest('select');\n            const action = bulkActionSelect.value;\n            const tableRoot = getTableFromUniqueId(uniqueid);\n            const checkboxes = tableRoot.querySelectorAll(Selectors.bulkUserSelectedCheckBoxes);\n            const pendingPromise = new Pending('core_user/participants:bulkActionSelect');\n\n            if (action.indexOf('#') !== -1) {\n                e.preventDefault();\n\n                const ids = [];\n                checkboxes.forEach(checkbox => {\n                    ids.push(checkbox.getAttribute('name').replace('user', ''));\n                });\n\n                let bulkAction;\n                if (action === '#messageselect') {\n                    bulkAction = showSendMessage(ids);\n                } else if (action === '#addgroupnote') {\n                    bulkAction = showAddNote(\n                        root.dataset.courseId,\n                        ids,\n                        noteStateNames,\n                        root.querySelector(Selectors.stateHelpIcon)\n                    );\n                }\n\n                if (bulkAction) {\n                    const pendingBulkAction = new Pending('core_user/participants:bulkActionSelected');\n                    bulkAction\n                    .then(modal => {\n                        modal.getRoot().on(ModalEvents.hidden, () => {\n                            // Focus on the action select when the dialog is closed.\n                            bulkActionSelect.focus();\n                        });\n\n                        pendingBulkAction.resolve();\n                        return modal;\n                    })\n                    .catch(Notification.exception);\n                }\n            } else if (action !== '' && checkboxes.length) {\n                bulkActionSelect.form.submit();\n            }\n\n            resetBulkAction(bulkActionSelect);\n            pendingPromise.resolve();\n        });\n\n        root.addEventListener('click', e => {\n            // Handle clicking of the \"Show [all|count]\" and \"Select all\" actions.\n            const showCountLink = root.querySelector(Selectors.showCountToggle);\n            const checkCountButton = root.querySelector(Selectors.checkCountButton);\n\n            const showCountLinkClicked = showCountLink && showCountLink.contains(e.target);\n            const checkCountButtonClicked = checkCountButton && checkCountButton.contains(e.target);\n\n            if (showCountLinkClicked || checkCountButtonClicked) {\n                e.preventDefault();\n\n                const tableRoot = getTableFromUniqueId(uniqueid);\n\n                DynamicTable.setPageSize(tableRoot, showCountLink.dataset.targetPageSize)\n                .then(tableRoot => {\n                    // Always update the toggle state.\n                    // This ensures that the bulk actions are disabled after changing the page size.\n                    CheckboxToggleAll.setGroupState(root, 'participants-table', checkCountButtonClicked);\n\n                    return tableRoot;\n                })\n                .catch(Notification.exception);\n            }\n        });\n\n        // When the content is refreshed, update the row counts in various places.\n        root.addEventListener(DynamicTable.Events.tableContentRefreshed, e => {\n            const showCountLink = root.querySelector(Selectors.showCountToggle);\n            const checkCountButton = root.querySelector(Selectors.checkCountButton);\n\n            const tableRoot = e.target;\n\n            const defaultPageSize = parseInt(root.dataset.tableDefaultPerPage, 10);\n            const currentPageSize = parseInt(tableRoot.dataset.tablePageSize, 10);\n            const totalRowCount = parseInt(tableRoot.dataset.tableTotalRows, 10);\n\n            CheckboxToggleAll.updateSlavesFromMasterState(root, 'participants-table');\n\n            const pageCountStrings = [\n                {\n                    key: 'countparticipantsfound',\n                    component: 'core_user',\n                    param: totalRowCount,\n                },\n            ];\n\n\n            if (totalRowCount <= defaultPageSize) {\n                // There are fewer than the default page count numbers of rows.\n                showCountLink.classList.add('hidden');\n\n                if (checkCountButton) {\n                    checkCountButton.classList.add('hidden');\n                }\n            } else if (totalRowCount <= currentPageSize) {\n                // The are fewer than the current page size.\n                pageCountStrings.push({\n                    key: 'showperpage',\n                    component: 'core',\n                    param: defaultPageSize,\n                });\n\n                pageCountStrings.push({\n                    key: 'selectalluserswithcount',\n                    component: 'core',\n                    param: defaultPageSize,\n        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diff --git a/user/amd/build/participantsfilter.min.js b/user/amd/build/participantsfilter.min.js
index a083fae6c59..d3391f166e6 100644
--- a/user/amd/build/participantsfilter.min.js
+++ b/user/amd/build/participantsfilter.min.js
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Array(len);i<len;i++)arr2[i]=arr[i];return arr2}function asyncGeneratorStep(gen,resolve,reject,_next,_throw,key,arg){try{var info=gen[key](arg),value=info.value}catch(error){return void reject(error)}info.done?resolve(value):Promise.resolve(value).then(_next,_throw)}function _asyncToGenerator(fn){return function(){var self=this,args=arguments;return new Promise((function(resolve,reject){var gen=fn.apply(self,args);function _next(value){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"next",value)}function _throw(err){asyncGeneratorStep(gen,resolve,reject,_next,_throw,"throw",err)}_next(void 0)}))}}_exports.init=function(participantsRegionId){var _ref2,_ref3,_ref9,filterSet=document.querySelector("#".concat(participantsRegionId)),activeFilters={courseid:new _courseid.default("courseid",filterSet)},getFilterRegion=function(){return filterSet.querySelector(_selectors.default.filterset.regions.filterlist)},addFilterRow=function(){var pendingPromise=new _pending.default("core_user/participantsfilter:addFilterRow"),rownum=1+getFilterRegion().querySelectorAll(_selectors.default.filter.region).length;return _templates.default.renderForPromise("core_user/local/participantsfilter/filterrow",{rownumber:rownum}).then((function(_ref){var html=_ref.html,js=_ref.js;return _templates.default.appendNodeContents(getFilterRegion(),html,js)})).then((function(filterRow){var typeList=filterSet.querySelector(_selectors.default.data.typeList);return filterRow.forEach((function(contentNode){var contentTypeList=contentNode.querySelector(_selectors.default.filter.fields.type);contentTypeList&&(contentTypeList.innerHTML=typeList.innerHTML)})),filterRow})).then((function(filterRow){return updateFiltersOptions(),filterRow})).then((function(result){return pendingPromise.resolve(),result})).catch(_notification.default.exception)},getFilterDataSource=function(filterType){return filterSet.querySelector(_selectors.default.filterset.regions.datasource).querySelector(_selectors.default.data.fields.byName(filterType))},addFilter=(_ref2=_asyncToGenerator(regeneratorRuntime.mark((function _callee(filterRow,filterType,initialFilterValues){var filterDataNode,Filter,typeField;return regeneratorRuntime.wrap((function(_context){for(;;)switch(_context.prev=_context.next){case 0:if(filterRow.dataset.filterType=filterType,filterDataNode=getFilterDataSource(filterType),Filter=_filter.default,!filterDataNode.dataset.filterTypeClass){_context.next=7;break}return _context.next=6,"function"==typeof _systemImportTransformerGlobalIdentifier.define&&_systemImportTransformerGlobalIdentifier.define.amd?new Promise((function(resolve,reject){_systemImportTransformerGlobalIdentifier.require([filterDataNode.dataset.filterTypeClass],resolve,reject)})):"undefined"!=typeof module&&module.exports&&"undefined"!=typeof require||"undefined"!=typeof module&&module.component&&_systemImportTransformerGlobalIdentifier.require&&"component"===_systemImportTransformerGlobalIdentifier.require.loader?Promise.resolve(require(filterDataNode.dataset.filterTypeClass)):Promise.resolve(_systemImportTransformerGlobalIdentifier[filterDataNode.dataset.filterTypeClass]);case 6:Filter=_context.sent;case 7:return activeFilters[filterType]=new Filter(filterType,filterSet,initialFilterValues),(typeField=filterRow.querySelector(_selectors.default.filter.fields.type)).value=filterType,typeField.disabled="disabled",updateFiltersOptions(),_context.abrupt("return",activeFilters[filterType]);case 13:case"end":return _context.stop()}}),_callee)}))),function(_x,_x2,_x3){return _ref2.apply(this,arguments)}),removeOrReplaceFilterRow=function(filterRow,refreshContent){1===getFilterRegion().querySelectorAll(_selectors.default.filter.region).length?replaceFilterRow(filterRow,refreshContent):removeFilterRow(filterRow,refreshContent)},removeFilterRow=(_ref3=_asyncToGenerator(regeneratorRuntime.mark((function _callee2(filterRow){var refreshContent,filterType,hasFilterValue,filterLegends,_args2=arguments;return regeneratorRuntime.wrap((function(_context2){for(;;)switch(_context2.prev=_context2.next){case 0:return refreshContent=!(_args2.length>1&&void 0!==_args2[1])||_args2[1],filterType=filterRow.querySelector(_selectors.default.filter.fields.type),hasFilterValue=!!filterType.value,removeFilterObject(filterRow.dataset.filterType),filterRow.remove(),updateFiltersOptions(),hasFilterValue&&refreshContent&&updateTableFromFilter(),_context2.next=9,getAvailableFilterLegends();case 9:filterLegends=_context2.sent,getFilterRegion().querySelectorAll(_selectors.default.filter.region).forEach((function(filterRow,index){filterRow.querySelector("legend").innerText=filterLegends[index]}));case 11:case"end":return _context2.stop()}}),_callee2)}))),function(_x4){return _ref3.apply(this,arguments)}),replaceFilterRow=function(filterRow){var refreshContent=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],rowNum=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;return removeFilterObject(filterRow.dataset.filterType),_templates.default.renderForPromise("core_user/local/participantsfilter/filterrow",{rownumber:rowNum}).then((function(_ref4){var html=_ref4.html,js=_ref4.js;return _templates.default.replaceNode(filterRow,html,js)})).then((function(filterRow){var typeList=filterSet.querySelector(_selectors.default.data.typeList);return filterRow.forEach((function(contentNode){var contentTypeList=contentNode.querySelector(_selectors.default.filter.fields.type);contentTypeList&&(contentTypeList.innerHTML=typeList.innerHTML)})),filterRow})).then((function(filterRow){return updateFiltersOptions(),filterRow})).then((function(filterRow){return refreshContent?updateTableFromFilter():filterRow})).catch(_notification.default.exception)},removeFilterObject=function(filterName){if(filterName){var filter=activeFilters[filterName];filter&&(filter.tearDown(),delete activeFilters[filterName])}},updateFiltersOptions=function(){var filters=getFilterRegion().querySelectorAll(_selectors.default.filter.region);filters.forEach((function(filterRow){filterRow.querySelectorAll(_selectors.default.filter.fields.type+" option").forEach((function(option){option.value===filterRow.dataset.filterType?(option.classList.remove("hidden"),option.disabled=!1):activeFilters[option.value]?(option.classList.add("hidden"),option.disabled=!0):(option.classList.remove("hidden"),option.disabled=!1)}))}));var addRowButton=filterSet.querySelector(_selectors.default.filterset.actions.addRow);filterSet.querySelectorAll(_selectors.default.data.fields.all).length<=filters.length?addRowButton.setAttribute("disabled","disabled"):addRowButton.removeAttribute("disabled"),1===filters.length?(filterSet.querySelector(_selectors.default.filterset.regions.filtermatch).classList.add("hidden"),filterSet.querySelector(_selectors.default.filterset.fields.join).value=1,filterSet.dataset.filterverb=1):filterSet.querySelector(_selectors.default.filterset.regions.filtermatch).classList.remove("hidden")},updateTableFromFilter=function(){var pendingPromise=new _pending.default("core_user/participantsfilter:updateTableFromFilter"),filters={};return Object.values(activeFilters).forEach((function(filter){filters[filter.filterValue.name]=filter.filterValue})),DynamicTable.setFilters(DynamicTable.getTableFromId(filterSet.dataset.tableRegion),{jointype:parseInt(filterSet.querySelector(_selectors.default.filterset.fields.join).value,10),filters:filters}).then((function(result){return pendingPromise.resolve(),result})).catch(_notification.default.exception)},getAvailableFilterLegends=(_ref9=_asyncToGenerator(regeneratorRuntime.mark((function _callee3(){var maxFilters,requests,legendStrings;return regeneratorRuntime.wrap((function(_context3){for(;;)switch(_context3.prev=_context3.next){case 0:return maxFilters=document.querySelector(_selectors.default.data.typeListSelect).length-1,requests=[],_toConsumableArray(Array(maxFilters)).forEach((function(_,rowIndex){requests.push({key:"filterrowlegend",component:"core_user",param:rowIndex+1})})),_context3.next=5,(0,_str.get_strings)(requests).then((function(fetchedStrings){return fetchedStrings})).catch(_notification.default.exception);case 5:return legendStrings=_context3.sent,_context3.abrupt("return",legendStrings);case 7:case"end":return _context3.stop()}}),_callee3)}))),function(){return _ref9.apply(this,arguments)});filterSet.querySelector(_selectors.default.filterset.region).addEventListener("click",(function(e){var pendingPromise;e.target.closest(_selectors.default.filterset.actions.addRow)&&(e.preventDefault(),addFilterRow()),e.target.closest(_selectors.default.filterset.actions.applyFilters)&&(e.preventDefault(),updateTableFromFilter()),e.target.closest(_selectors.default.filterset.actions.resetFilters)&&(e.preventDefault(),pendingPromise=new _pending.default("core_user/participantsfilter:setFilterFromConfig"),getFilterRegion().querySelectorAll(_selectors.default.filter.region).forEach((function(filterRow){return removeOrReplaceFilterRow(filterRow,!1)})),updateTableFromFilter().then((function(result){return pendingPromise.resolve(),result})))})),filterSet.querySelector(_selectors.default.filterset.regions.filterlist).addEventListener("click",(function(e){e.target.closest(_selectors.default.filter.actions.remove)&&(e.preventDefault(),removeOrReplaceFilterRow(e.target.closest(_selectors.default.filter.region),!0))}));var filterRegion=(0,_jquery.default)(getFilterRegion());_custom_interaction_events.default.define(filterRegion,[_custom_interaction_events.default.events.accessibleChange]),filterRegion.on(_custom_interaction_events.default.events.accessibleChange,(function(e){var typeField=e.target.closest(_selectors.default.filter.fields.type);if(typeField&&typeField.value){var filter=e.target.closest(_selectors.default.filter.region);addFilter(filter,typeField.value)}})),filterSet.querySelector(_selectors.default.filterset.fields.join).addEventListener("change",(function(e){filterSet.dataset.filterverb=e.target.value}));var tableRoot=DynamicTable.getTableFromId(filterSet.dataset.tableRegion),initialFilters=DynamicTable.getFilters(tableRoot);if(initialFilters){var initialFilterPromise=new _pending.default("core_user/participantsfilter:setFilterFromConfig");(function(config){var filterConfig=Object.entries(config.filters);if(!filterConfig.length)return Promise.resolve();filterSet.querySelector(_selectors.default.filterset.fields.join).value=config.jointype;var filterPromises=filterConfig.map((function(_ref5){var _ref6=_slicedToArray(_ref5,2),filterType=_ref6[0],filterData=_ref6[1];if("courseid"===filterType)return!1;var filterValues=filterData.values;return!!filterValues.length&&addFilterRow().then((function(_ref7){var filterRow=_slicedToArray(_ref7,1)[0];return addFilter(filterRow,filterType,filterValues)}))})).filter((function(promise){return promise}));return filterPromises.length?Promise.all(filterPromises).then((function(){getFilterRegion().querySelectorAll(_selectors.default.filter.region).forEach((function(filterRow){filterRow.querySelector(_selectors.default.filter.fields.type).value||removeOrReplaceFilterRow(filterRow,!1)}))})).then(updateFiltersOptions).then(updateTableFromFilter):Promise.resolve()})(initialFilters).then((function(){return initialFilterPromise.resolve()})).catch()}}}));
+
+//# sourceMappingURL=participantsfilter.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/participantsfilter.min.js.map b/user/amd/build/participantsfilter.min.js.map
index 83d463f20f2..0fa883add1e 100644
--- a/user/amd/build/participantsfilter.min.js.map
+++ b/user/amd/build/participantsfilter.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Participants filter managemnet.\n *\n * @module     core_user/participants_filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport CourseFilter from './local/participantsfilter/filtertypes/courseid';\nimport * as DynamicTable from 'core_table/dynamic';\nimport GenericFilter from './local/participantsfilter/filter';\nimport {get_strings as getStrings} from 'core/str';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\nimport Selectors from './local/participantsfilter/selectors';\nimport Templates from 'core/templates';\nimport CustomEvents from 'core/custom_interaction_events';\nimport jQuery from 'jquery';\n\n/**\n * Initialise the participants filter on the element with the given id.\n *\n * @param {String} participantsRegionId\n */\nexport const init = participantsRegionId => {\n    // Keep a reference to the filterset.\n    const filterSet = document.querySelector(`#${participantsRegionId}`);\n\n    // Keep a reference to all of the active filters.\n    const activeFilters = {\n        courseid: new CourseFilter('courseid', filterSet),\n    };\n\n    /**\n     * Get the filter list region.\n     *\n     * @return {HTMLElement}\n     */\n    const getFilterRegion = () => filterSet.querySelector(Selectors.filterset.regions.filterlist);\n\n    /**\n     * Add an unselected filter row.\n     *\n     * @return {Promise}\n     */\n    const addFilterRow = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:addFilterRow');\n\n        const rownum = 1 + getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rownum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.appendNodeContents(getFilterRegion(), html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Get the filter data source node fro the specified filter type.\n     *\n     * @param {String} filterType\n     * @return {HTMLElement}\n     */\n    const getFilterDataSource = filterType => {\n        const filterDataNode = filterSet.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(filterType));\n    };\n\n    /**\n     * Add a filter to the list of active filters, performing any necessary setup.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {String} filterType\n     * @param {Array} initialFilterValues The initially selected values for the filter\n     * @returns {Filter}\n     */\n    const addFilter = async(filterRow, filterType, initialFilterValues) => {\n        // Name the filter on the filter row.\n        filterRow.dataset.filterType = filterType;\n\n        const filterDataNode = getFilterDataSource(filterType);\n\n        // Instantiate the Filter class.\n        let Filter = GenericFilter;\n        if (filterDataNode.dataset.filterTypeClass) {\n            Filter = await import(filterDataNode.dataset.filterTypeClass);\n        }\n        activeFilters[filterType] = new Filter(filterType, filterSet, initialFilterValues);\n\n        // Disable the select.\n        const typeField = filterRow.querySelector(Selectors.filter.fields.type);\n        typeField.value = filterType;\n        typeField.disabled = 'disabled';\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        return activeFilters[filterType];\n    };\n\n    /**\n     * Get the registered filter class for the named filter.\n     *\n     * @param {String} name\n     * @return {Object} See the Filter class.\n     */\n    const getFilterObject = name => {\n        return activeFilters[name];\n    };\n\n    /**\n     * Remove or replace the specified filter row and associated class, ensuring that if there is only one filter row,\n     * that it is replaced instead of being removed.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     */\n    const removeOrReplaceFilterRow = (filterRow, refreshContent) => {\n        const filterCount = getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n\n        if (filterCount === 1) {\n            replaceFilterRow(filterRow, refreshContent);\n        } else {\n            removeFilterRow(filterRow, refreshContent);\n        }\n    };\n\n    /**\n     * Remove the specified filter row and associated class.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     */\n    const removeFilterRow = async(filterRow, refreshContent = true) => {\n        const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n        const hasFilterValue = !!filterType.value;\n\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        // Remove the actual filter HTML.\n        filterRow.remove();\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        if (hasFilterValue && refreshContent) {\n            // Refresh the table if there was any content in this row.\n            updateTableFromFilter();\n        }\n\n        // Update filter fieldset legends.\n        const filterLegends = await getAvailableFilterLegends();\n\n        getFilterRegion().querySelectorAll(Selectors.filter.region).forEach((filterRow, index) => {\n            filterRow.querySelector('legend').innerText = filterLegends[index];\n        });\n\n    };\n\n    /**\n     * Replace the specified filter row with a new one.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     * @param {Number} rowNum The number used to label the filter fieldset legend (eg Row 1). Defaults to 1 (the first filter).\n     * @return {Promise}\n     */\n    const replaceFilterRow = (filterRow, refreshContent = true, rowNum = 1) => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rowNum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.replaceNode(filterRow, html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            // Refresh the table.\n            if (refreshContent) {\n                return updateTableFromFilter();\n            } else {\n                return filterRow;\n            }\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Remove the Filter Object from the register.\n     *\n     * @param {string} filterName The name of the filter to be removed\n     */\n    const removeFilterObject = filterName => {\n        if (filterName) {\n            const filter = getFilterObject(filterName);\n            if (filter) {\n                filter.tearDown();\n\n                // Remove from the list of active filters.\n                delete activeFilters[filterName];\n            }\n        }\n    };\n\n    /**\n     * Remove all filters.\n     *\n     * @returns {Promise}\n     */\n    const removeAllFilters = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:setFilterFromConfig');\n\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => removeOrReplaceFilterRow(filterRow, false));\n\n        // Refresh the table.\n        return updateTableFromFilter()\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        });\n    };\n\n    /**\n     * Remove any empty filters.\n     */\n    const removeEmptyFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n            if (!filterType.value) {\n                removeOrReplaceFilterRow(filterRow, false);\n            }\n        });\n    };\n\n    /**\n     * Update the list of filter types to filter out those already selected.\n     */\n    const updateFiltersOptions = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const options = filterRow.querySelectorAll(Selectors.filter.fields.type + ' option');\n            options.forEach(option => {\n                if (option.value === filterRow.dataset.filterType) {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                } else if (activeFilters[option.value]) {\n                    option.classList.add('hidden');\n                    option.disabled = true;\n                } else {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                }\n            });\n        });\n\n        // Configure the state of the \"Add row\" button.\n        // This button is disabled when there is a filter row available for each condition.\n        const addRowButton = filterSet.querySelector(Selectors.filterset.actions.addRow);\n        const filterDataNode = filterSet.querySelectorAll(Selectors.data.fields.all);\n        if (filterDataNode.length <= filters.length) {\n            addRowButton.setAttribute('disabled', 'disabled');\n        } else {\n            addRowButton.removeAttribute('disabled');\n        }\n\n        if (filters.length === 1) {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.add('hidden');\n            filterSet.querySelector(Selectors.filterset.fields.join).value = 1;\n            filterSet.dataset.filterverb = 1;\n        } else {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.remove('hidden');\n        }\n    };\n\n    /**\n     * Set the current filter options based on a provided configuration.\n     *\n     * @param {Object} config\n     * @param {Number} config.jointype\n     * @param {Object} config.filters\n     * @returns {Promise}\n     */\n    const setFilterFromConfig = config => {\n        const filterConfig = Object.entries(config.filters);\n\n        if (!filterConfig.length) {\n            // There are no filters to set from.\n            return Promise.resolve();\n        }\n\n        // Set the main join type.\n        filterSet.querySelector(Selectors.filterset.fields.join).value = config.jointype;\n\n        const filterPromises = filterConfig.map(([filterType, filterData]) => {\n            if (filterType === 'courseid') {\n                // The courseid is a special case.\n                return false;\n            }\n\n            const filterValues = filterData.values;\n\n            if (!filterValues.length) {\n                // There are no values for this filter.\n                // Skip it.\n                return false;\n            }\n\n            return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));\n        }).filter(promise => promise);\n\n        if (!filterPromises.length) {\n            return Promise.resolve();\n        }\n\n        return Promise.all(filterPromises).then(() => {\n            return removeEmptyFilters();\n        })\n        .then(updateFiltersOptions)\n        .then(updateTableFromFilter);\n    };\n\n    /**\n     * Update the Dynamic table based upon the current filter.\n     *\n     * @return {Promise}\n     */\n    const updateTableFromFilter = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:updateTableFromFilter');\n\n        const filters = {};\n        Object.values(activeFilters).forEach(filter => {\n            filters[filter.filterValue.name] = filter.filterValue;\n        });\n\n        return DynamicTable.setFilters(\n            DynamicTable.getTableFromId(filterSet.dataset.tableRegion),\n            {\n                jointype: parseInt(filterSet.querySelector(Selectors.filterset.fields.join).value, 10),\n                filters,\n            }\n        )\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the strings used to populate the fieldset legends for the maximum number of filters possible.\n     *\n     * @return {array}\n     */\n    const getAvailableFilterLegends = async() => {\n        const maxFilters = document.querySelector(Selectors.data.typeListSelect).length - 1;\n        let requests = [];\n\n        [...Array(maxFilters)].forEach((_, rowIndex) => {\n            requests.push({\n                \"key\": \"filterrowlegend\",\n                \"component\": \"core_user\",\n                // Add 1 since rows begin at 1 (index begins at zero).\n                \"param\": rowIndex + 1\n            });\n        });\n\n        const legendStrings = await getStrings(requests)\n        .then(fetchedStrings => {\n            return fetchedStrings;\n        })\n        .catch(Notification.exception);\n\n        return legendStrings;\n    };\n\n    // Add listeners for the main actions.\n    filterSet.querySelector(Selectors.filterset.region).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filterset.actions.addRow)) {\n            e.preventDefault();\n\n            addFilterRow();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.applyFilters)) {\n            e.preventDefault();\n\n            updateTableFromFilter();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.resetFilters)) {\n            e.preventDefault();\n\n            removeAllFilters();\n        }\n    });\n\n    // Add the listener to remove a single filter.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filter.actions.remove)) {\n            e.preventDefault();\n\n            removeOrReplaceFilterRow(e.target.closest(Selectors.filter.region), true);\n        }\n    });\n\n    // Add listeners for the filter type selection.\n    let filterRegion = jQuery(getFilterRegion());\n    CustomEvents.define(filterRegion, [CustomEvents.events.accessibleChange]);\n    filterRegion.on(CustomEvents.events.accessibleChange, e => {\n        const typeField = e.target.closest(Selectors.filter.fields.type);\n        if (typeField && typeField.value) {\n            const filter = e.target.closest(Selectors.filter.region);\n\n            addFilter(filter, typeField.value);\n        }\n    });\n\n    filterSet.querySelector(Selectors.filterset.fields.join).addEventListener('change', e => {\n        filterSet.dataset.filterverb = e.target.value;\n    });\n\n    const tableRoot = DynamicTable.getTableFromId(filterSet.dataset.tableRegion);\n    const initialFilters = DynamicTable.getFilters(tableRoot);\n    if (initialFilters) {\n        const initialFilterPromise = new Pending('core_user/participantsfilter:setFilterFromConfig');\n        // Apply the initial filter configuration.\n        setFilterFromConfig(initialFilters)\n        .then(() => initialFilterPromise.resolve())\n        .catch();\n    }\n};\n"],"file":"participantsfilter.min.js"}
\ No newline at end of file
+{"version":3,"file":"participantsfilter.min.js","sources":["../src/participantsfilter.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Participants filter managemnet.\n *\n * @module     core_user/participants_filter\n * @package    core_user\n * @copyright  2020 Andrew Nicols <andrew@nicols.co.uk>\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport CourseFilter from './local/participantsfilter/filtertypes/courseid';\nimport * as DynamicTable from 'core_table/dynamic';\nimport GenericFilter from './local/participantsfilter/filter';\nimport {get_strings as getStrings} from 'core/str';\nimport Notification from 'core/notification';\nimport Pending from 'core/pending';\nimport Selectors from './local/participantsfilter/selectors';\nimport Templates from 'core/templates';\nimport CustomEvents from 'core/custom_interaction_events';\nimport jQuery from 'jquery';\n\n/**\n * Initialise the participants filter on the element with the given id.\n *\n * @param {String} participantsRegionId\n */\nexport const init = participantsRegionId => {\n    // Keep a reference to the filterset.\n    const filterSet = document.querySelector(`#${participantsRegionId}`);\n\n    // Keep a reference to all of the active filters.\n    const activeFilters = {\n        courseid: new CourseFilter('courseid', filterSet),\n    };\n\n    /**\n     * Get the filter list region.\n     *\n     * @return {HTMLElement}\n     */\n    const getFilterRegion = () => filterSet.querySelector(Selectors.filterset.regions.filterlist);\n\n    /**\n     * Add an unselected filter row.\n     *\n     * @return {Promise}\n     */\n    const addFilterRow = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:addFilterRow');\n\n        const rownum = 1 + getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rownum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.appendNodeContents(getFilterRegion(), html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Get the filter data source node fro the specified filter type.\n     *\n     * @param {String} filterType\n     * @return {HTMLElement}\n     */\n    const getFilterDataSource = filterType => {\n        const filterDataNode = filterSet.querySelector(Selectors.filterset.regions.datasource);\n\n        return filterDataNode.querySelector(Selectors.data.fields.byName(filterType));\n    };\n\n    /**\n     * Add a filter to the list of active filters, performing any necessary setup.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {String} filterType\n     * @param {Array} initialFilterValues The initially selected values for the filter\n     * @returns {Filter}\n     */\n    const addFilter = async(filterRow, filterType, initialFilterValues) => {\n        // Name the filter on the filter row.\n        filterRow.dataset.filterType = filterType;\n\n        const filterDataNode = getFilterDataSource(filterType);\n\n        // Instantiate the Filter class.\n        let Filter = GenericFilter;\n        if (filterDataNode.dataset.filterTypeClass) {\n            Filter = await import(filterDataNode.dataset.filterTypeClass);\n        }\n        activeFilters[filterType] = new Filter(filterType, filterSet, initialFilterValues);\n\n        // Disable the select.\n        const typeField = filterRow.querySelector(Selectors.filter.fields.type);\n        typeField.value = filterType;\n        typeField.disabled = 'disabled';\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        return activeFilters[filterType];\n    };\n\n    /**\n     * Get the registered filter class for the named filter.\n     *\n     * @param {String} name\n     * @return {Object} See the Filter class.\n     */\n    const getFilterObject = name => {\n        return activeFilters[name];\n    };\n\n    /**\n     * Remove or replace the specified filter row and associated class, ensuring that if there is only one filter row,\n     * that it is replaced instead of being removed.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     */\n    const removeOrReplaceFilterRow = (filterRow, refreshContent) => {\n        const filterCount = getFilterRegion().querySelectorAll(Selectors.filter.region).length;\n\n        if (filterCount === 1) {\n            replaceFilterRow(filterRow, refreshContent);\n        } else {\n            removeFilterRow(filterRow, refreshContent);\n        }\n    };\n\n    /**\n     * Remove the specified filter row and associated class.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     */\n    const removeFilterRow = async(filterRow, refreshContent = true) => {\n        const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n        const hasFilterValue = !!filterType.value;\n\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        // Remove the actual filter HTML.\n        filterRow.remove();\n\n        // Update the list of available filter types.\n        updateFiltersOptions();\n\n        if (hasFilterValue && refreshContent) {\n            // Refresh the table if there was any content in this row.\n            updateTableFromFilter();\n        }\n\n        // Update filter fieldset legends.\n        const filterLegends = await getAvailableFilterLegends();\n\n        getFilterRegion().querySelectorAll(Selectors.filter.region).forEach((filterRow, index) => {\n            filterRow.querySelector('legend').innerText = filterLegends[index];\n        });\n\n    };\n\n    /**\n     * Replace the specified filter row with a new one.\n     *\n     * @param {HTMLElement} filterRow\n     * @param {Bool} refreshContent Whether to refresh the table content when removing\n     * @param {Number} rowNum The number used to label the filter fieldset legend (eg Row 1). Defaults to 1 (the first filter).\n     * @return {Promise}\n     */\n    const replaceFilterRow = (filterRow, refreshContent = true, rowNum = 1) => {\n        // Remove the filter object.\n        removeFilterObject(filterRow.dataset.filterType);\n\n        return Templates.renderForPromise('core_user/local/participantsfilter/filterrow', {\"rownumber\": rowNum})\n        .then(({html, js}) => {\n            const newContentNodes = Templates.replaceNode(filterRow, html, js);\n\n            return newContentNodes;\n        })\n        .then(filterRow => {\n            // Note: This is a nasty hack.\n            // We should try to find a better way of doing this.\n            // We do not have the list of types in a readily consumable format, so we take the pre-rendered one and copy\n            // it in place.\n            const typeList = filterSet.querySelector(Selectors.data.typeList);\n\n            filterRow.forEach(contentNode => {\n                const contentTypeList = contentNode.querySelector(Selectors.filter.fields.type);\n\n                if (contentTypeList) {\n                    contentTypeList.innerHTML = typeList.innerHTML;\n                }\n            });\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            updateFiltersOptions();\n\n            return filterRow;\n        })\n        .then(filterRow => {\n            // Refresh the table.\n            if (refreshContent) {\n                return updateTableFromFilter();\n            } else {\n                return filterRow;\n            }\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Remove the Filter Object from the register.\n     *\n     * @param {string} filterName The name of the filter to be removed\n     */\n    const removeFilterObject = filterName => {\n        if (filterName) {\n            const filter = getFilterObject(filterName);\n            if (filter) {\n                filter.tearDown();\n\n                // Remove from the list of active filters.\n                delete activeFilters[filterName];\n            }\n        }\n    };\n\n    /**\n     * Remove all filters.\n     *\n     * @returns {Promise}\n     */\n    const removeAllFilters = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:setFilterFromConfig');\n\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => removeOrReplaceFilterRow(filterRow, false));\n\n        // Refresh the table.\n        return updateTableFromFilter()\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        });\n    };\n\n    /**\n     * Remove any empty filters.\n     */\n    const removeEmptyFilters = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const filterType = filterRow.querySelector(Selectors.filter.fields.type);\n            if (!filterType.value) {\n                removeOrReplaceFilterRow(filterRow, false);\n            }\n        });\n    };\n\n    /**\n     * Update the list of filter types to filter out those already selected.\n     */\n    const updateFiltersOptions = () => {\n        const filters = getFilterRegion().querySelectorAll(Selectors.filter.region);\n        filters.forEach(filterRow => {\n            const options = filterRow.querySelectorAll(Selectors.filter.fields.type + ' option');\n            options.forEach(option => {\n                if (option.value === filterRow.dataset.filterType) {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                } else if (activeFilters[option.value]) {\n                    option.classList.add('hidden');\n                    option.disabled = true;\n                } else {\n                    option.classList.remove('hidden');\n                    option.disabled = false;\n                }\n            });\n        });\n\n        // Configure the state of the \"Add row\" button.\n        // This button is disabled when there is a filter row available for each condition.\n        const addRowButton = filterSet.querySelector(Selectors.filterset.actions.addRow);\n        const filterDataNode = filterSet.querySelectorAll(Selectors.data.fields.all);\n        if (filterDataNode.length <= filters.length) {\n            addRowButton.setAttribute('disabled', 'disabled');\n        } else {\n            addRowButton.removeAttribute('disabled');\n        }\n\n        if (filters.length === 1) {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.add('hidden');\n            filterSet.querySelector(Selectors.filterset.fields.join).value = 1;\n            filterSet.dataset.filterverb = 1;\n        } else {\n            filterSet.querySelector(Selectors.filterset.regions.filtermatch).classList.remove('hidden');\n        }\n    };\n\n    /**\n     * Set the current filter options based on a provided configuration.\n     *\n     * @param {Object} config\n     * @param {Number} config.jointype\n     * @param {Object} config.filters\n     * @returns {Promise}\n     */\n    const setFilterFromConfig = config => {\n        const filterConfig = Object.entries(config.filters);\n\n        if (!filterConfig.length) {\n            // There are no filters to set from.\n            return Promise.resolve();\n        }\n\n        // Set the main join type.\n        filterSet.querySelector(Selectors.filterset.fields.join).value = config.jointype;\n\n        const filterPromises = filterConfig.map(([filterType, filterData]) => {\n            if (filterType === 'courseid') {\n                // The courseid is a special case.\n                return false;\n            }\n\n            const filterValues = filterData.values;\n\n            if (!filterValues.length) {\n                // There are no values for this filter.\n                // Skip it.\n                return false;\n            }\n\n            return addFilterRow().then(([filterRow]) => addFilter(filterRow, filterType, filterValues));\n        }).filter(promise => promise);\n\n        if (!filterPromises.length) {\n            return Promise.resolve();\n        }\n\n        return Promise.all(filterPromises).then(() => {\n            return removeEmptyFilters();\n        })\n        .then(updateFiltersOptions)\n        .then(updateTableFromFilter);\n    };\n\n    /**\n     * Update the Dynamic table based upon the current filter.\n     *\n     * @return {Promise}\n     */\n    const updateTableFromFilter = () => {\n        const pendingPromise = new Pending('core_user/participantsfilter:updateTableFromFilter');\n\n        const filters = {};\n        Object.values(activeFilters).forEach(filter => {\n            filters[filter.filterValue.name] = filter.filterValue;\n        });\n\n        return DynamicTable.setFilters(\n            DynamicTable.getTableFromId(filterSet.dataset.tableRegion),\n            {\n                jointype: parseInt(filterSet.querySelector(Selectors.filterset.fields.join).value, 10),\n                filters,\n            }\n        )\n        .then(result => {\n            pendingPromise.resolve();\n\n            return result;\n        })\n        .catch(Notification.exception);\n    };\n\n    /**\n     * Fetch the strings used to populate the fieldset legends for the maximum number of filters possible.\n     *\n     * @return {array}\n     */\n    const getAvailableFilterLegends = async() => {\n        const maxFilters = document.querySelector(Selectors.data.typeListSelect).length - 1;\n        let requests = [];\n\n        [...Array(maxFilters)].forEach((_, rowIndex) => {\n            requests.push({\n                \"key\": \"filterrowlegend\",\n                \"component\": \"core_user\",\n                // Add 1 since rows begin at 1 (index begins at zero).\n                \"param\": rowIndex + 1\n            });\n        });\n\n        const legendStrings = await getStrings(requests)\n        .then(fetchedStrings => {\n            return fetchedStrings;\n        })\n        .catch(Notification.exception);\n\n        return legendStrings;\n    };\n\n    // Add listeners for the main actions.\n    filterSet.querySelector(Selectors.filterset.region).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filterset.actions.addRow)) {\n            e.preventDefault();\n\n            addFilterRow();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.applyFilters)) {\n            e.preventDefault();\n\n            updateTableFromFilter();\n        }\n\n        if (e.target.closest(Selectors.filterset.actions.resetFilters)) {\n            e.preventDefault();\n\n            removeAllFilters();\n        }\n    });\n\n    // Add the listener to remove a single filter.\n    filterSet.querySelector(Selectors.filterset.regions.filterlist).addEventListener('click', e => {\n        if (e.target.closest(Selectors.filter.actions.remove)) {\n            e.preventDefault();\n\n            removeOrReplaceFilterRow(e.target.closest(Selectors.filter.region), true);\n        }\n    });\n\n    // Add listeners for the filter type selection.\n    let filterRegion = jQuery(getFilterRegion());\n    CustomEvents.define(filterRegion, [CustomEvents.events.accessibleChange]);\n    filterRegion.on(CustomEvents.events.accessibleChange, e => {\n        const typeField = e.target.closest(Selectors.filter.fields.type);\n        if (typeField && typeField.value) {\n            const filter = e.target.closest(Selectors.filter.region);\n\n            addFilter(filter, typeField.value);\n        }\n    });\n\n    filterSet.querySelector(Selectors.filterset.fields.join).addEventListener('change', e => {\n        filterSet.dataset.filterverb = e.target.value;\n    });\n\n    const tableRoot = DynamicTable.getTableFromId(filterSet.dataset.tableRegion);\n    const initialFilters = DynamicTable.getFilters(tableRoot);\n    if (initialFilters) {\n        const initialFilterPromise = new Pending('core_user/participantsfilter:setFilterFromConfig');\n        // Apply the initial filter configuration.\n        setFilterFromConfig(initialFilters)\n        .then(() => initialFilterPromise.resolve())\n        .catch();\n    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\ No newline at end of file
diff --git a/user/amd/build/repository.min.js b/user/amd/build/repository.min.js
index b17bb54da49..5ca7ee160ea 100644
--- a/user/amd/build/repository.min.js
+++ b/user/amd/build/repository.min.js
@@ -1,2 +1,3 @@
-define ("core_user/repository",["exports","core/ajax"],function(a,b){"use strict";Object.defineProperty(a,"__esModule",{value:!0});a.unenrolUser=a.submitUserEnrolmentForm=a.sendMessagesToUsers=a.createNotesForUsers=void 0;a.unenrolUser=function unenrolUser(a){return(0,b.call)([{methodname:"core_enrol_unenrol_user_enrolment",args:{ueid:a}}])[0]};a.submitUserEnrolmentForm=function submitUserEnrolmentForm(a){return(0,b.call)([{methodname:"core_enrol_submit_user_enrolment_form",args:{formdata:a}}])[0]};a.createNotesForUsers=function createNotesForUsers(a){return(0,b.call)([{methodname:"core_notes_create_notes",args:{notes:a}}])[0]};a.sendMessagesToUsers=function sendMessagesToUsers(a){return(0,b.call)([{methodname:"core_message_send_instant_messages",args:{messages:a}}])[0]}});
-//# sourceMappingURL=repository.min.js.map
+define("core_user/repository",["exports","core/ajax"],(function(_exports,_ajax){Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.unenrolUser=_exports.submitUserEnrolmentForm=_exports.sendMessagesToUsers=_exports.createNotesForUsers=void 0;_exports.unenrolUser=function(userEnrolmentId){return(0,_ajax.call)([{methodname:"core_enrol_unenrol_user_enrolment",args:{ueid:userEnrolmentId}}])[0]};_exports.submitUserEnrolmentForm=function(formdata){return(0,_ajax.call)([{methodname:"core_enrol_submit_user_enrolment_form",args:{formdata:formdata}}])[0]};_exports.createNotesForUsers=function(notes){return(0,_ajax.call)([{methodname:"core_notes_create_notes",args:{notes:notes}}])[0]};_exports.sendMessagesToUsers=function(messages){return(0,_ajax.call)([{methodname:"core_message_send_instant_messages",args:{messages:messages}}])[0]}}));
+
+//# sourceMappingURL=repository.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/repository.min.js.map b/user/amd/build/repository.min.js.map
index b117500cf86..c64199e7cba 100644
--- a/user/amd/build/repository.min.js.map
+++ b/user/amd/build/repository.min.js.map
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/user/amd/build/status_field.min.js b/user/amd/build/status_field.min.js
index 3c89bf4f9c3..e902b50609a 100644
--- a/user/amd/build/status_field.min.js
+++ b/user/amd/build/status_field.min.js
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c=A(a),f=B(a);i.default.create({large:!0,title:d.get_string("edituserenrolment","enrol",c.dataset.fullname),type:i.default.types.SAVE_CANCEL,body:b(f)}).then(function(d){d.getRoot().on(h.default.save,function(g){g.preventDefault();G(a,b,d,f,c.dataset)});d.getRoot().on(h.default.hidden,function(){d.destroy()});d.show();return d}).catch(j.default.exception)},E=function(a){var b=A(a),c=B(a);i.default.create({type:i.default.types.SAVE_CANCEL}).then(function(f){f.getRoot().on(h.default.save,function(d){d.preventDefault();H(a,f,{ueid:c},b.dataset)});f.getRoot().on(h.default.hidden,function(){f.destroy()});f.show();var g=[{key:"unenrol",component:"enrol"},{key:"unenrolconfirm",component:"enrol",param:{user:b.dataset.fullname,course:b.dataset.coursename,enrolinstancename:b.dataset.enrolinstancename}}];return Promise.all([d.get_strings(g),f])}).then(function(a){var b=s(a,2),c=b[0],d=b[1];d.setTitle(c[0]);d.setSaveButtonText(c[0]);d.setBody(c[1]);return 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TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function _arrayLikeToArray(arr,len){(null==len||len>arr.length)&&(len=arr.length);for(var i=0,arr2=new Array(len);i<len;i++)arr2[i]=arr[i];return arr2}Object.defineProperty(_exports,"__esModule",{value:!0}),_exports.init=void 0,DynamicTable=_interopRequireWildcard(DynamicTable),Repository=_interopRequireWildcard(Repository),Str=_interopRequireWildcard(Str),_selectors=_interopRequireDefault(_selectors),_fragment=_interopRequireDefault(_fragment),_modal_events=_interopRequireDefault(_modal_events),_modal_factory=_interopRequireDefault(_modal_factory),_notification=_interopRequireDefault(_notification),_templates=_interopRequireDefault(_templates);var Selectors_editEnrolment='[data-action="editenrolment"]',Selectors_showDetails='[data-action="showdetails"]',Selectors_unenrol='[data-action="unenrol"]',Selectors_statusElement="[data-status]",getDynamicTableFromLink=function(link){return link.closest(_selectors.default.main.region)},getStatusContainer=function(link){return link.closest(Selectors_statusElement)},getUserEnrolmentIdFromLink=function(link){return link.getAttribute("rel")},showEditDialogue=function(link,getBody){var container=getStatusContainer(link),userEnrolmentId=getUserEnrolmentIdFromLink(link);_modal_factory.default.create({large:!0,title:Str.get_string("edituserenrolment","enrol",container.dataset.fullname),type:_modal_factory.default.types.SAVE_CANCEL,body:getBody(userEnrolmentId)}).then((function(modal){return modal.getRoot().on(_modal_events.default.save,(function(e){e.preventDefault(),submitEditFormAjax(link,getBody,modal,userEnrolmentId,container.dataset)})),modal.getRoot().on(_modal_events.default.hidden,(function(){modal.destroy()})),modal.show(),modal})).catch(_notification.default.exception)},showUnenrolConfirmation=function(link){var container=getStatusContainer(link),userEnrolmentId=getUserEnrolmentIdFromLink(link);_modal_factory.default.create({type:_modal_factory.default.types.SAVE_CANCEL}).then((function(modal){modal.getRoot().on(_modal_events.default.save,(function(e){e.preventDefault(),submitUnenrolFormAjax(link,modal,{ueid:userEnrolmentId},container.dataset)})),modal.getRoot().on(_modal_events.default.hidden,(function(){modal.destroy()})),modal.show();var stringData=[{key:"unenrol",component:"enrol"},{key:"unenrolconfirm",component:"enrol",param:{user:container.dataset.fullname,course:container.dataset.coursename,enrolinstancename:container.dataset.enrolinstancename}}];return Promise.all([Str.get_strings(stringData),modal])})).then((function(_ref){var _ref2=_slicedToArray(_ref,2),strings=_ref2[0],modal=_ref2[1];return modal.setTitle(strings[0]),modal.setSaveButtonText(strings[0]),modal.setBody(strings[1]),modal})).catch(_notification.default.exception)},showStatusDetails=function(link){var container=getStatusContainer(link),context=function(target){for(var i=1;i<arguments.length;i++){var source=null!=arguments[i]?arguments[i]:{};i%2?ownKeys(Object(source),!0).forEach((function(key){_defineProperty(target,key,source[key])})):Object.getOwnPropertyDescriptors?Object.defineProperties(target,Object.getOwnPropertyDescriptors(source)):ownKeys(Object(source)).forEach((function(key){Object.defineProperty(target,key,Object.getOwnPropertyDescriptor(source,key))}))}return target}({editenrollink:"",statusclass:container.querySelector("span.badge").getAttribute("class")},container.dataset),editEnrolLink=container.querySelector(Selectors_editEnrolment);editEnrolLink&&(context.editenrollink=editEnrolLink.outerHTML),_modal_factory.default.create({large:!0,type:_modal_factory.default.types.CANCEL,title:Str.get_string("enroldetails","enrol"),body:_templates.default.render("core_user/status_details",context)}).then((function(modal){return editEnrolLink&&modal.getRoot().on("click",Selectors_editEnrolment,(function(e){e.preventDefault(),modal.hide(),editEnrolLink.click()})),modal.show(),modal.getRoot().on(_modal_events.default.hidden,(function(){return modal.destroy()})),modal})).catch(_notification.default.exception)},submitEditFormAjax=function(clickedLink,getBody,modal,userEnrolmentId,userData){var form=modal.getRoot().find("form");Repository.submitUserEnrolmentForm(form.serialize()).then((function(data){if(!data.result)throw data.result;return modal.hide(),modal.destroy(),data})).then((function(){return DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink)).catch(_notification.default.exception),Str.get_string("enrolmentupdatedforuser","core_enrol",userData)})).then((function(notificationString){(0,_toast.add)(notificationString)})).catch((function(){return modal.setBody(getBody(userEnrolmentId,JSON.stringify(form.serialize()))),modal}))},submitUnenrolFormAjax=function(clickedLink,modal,args,userData){Repository.unenrolUser(args.ueid).then((function(data){return data.result?(modal.hide(),modal.destroy(),data):(_notification.default.alert(data.errors[0].key,data.errors[0].message),data)})).then((function(){return DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink)).catch(_notification.default.exception),Str.get_string("unenrolleduser","core_enrol",userData)})).then((function(notificationString){(0,_toast.add)(notificationString)})).catch(_notification.default.exception)},getBody=function(contextId,ueid){var formdata=arguments.length>2&&void 0!==arguments[2]?arguments[2]:null;return _fragment.default.loadFragment("enrol","user_enrolment_form",contextId,{ueid:ueid,formdata:formdata})};_exports.init=function(_ref3){var contextId,uniqueId,getBodyFunction,contextid=_ref3.contextid,uniqueid=_ref3.uniqueid;contextId=contextid,uniqueId=uniqueid,getBodyFunction=function(userEnrolmentId,formData){return getBody(contextId,userEnrolmentId,formData)},document.addEventListener("click",(function(e){if(e.target.closest(_selectors.default.main.fromRegionId(uniqueId))){var editLink=e.target.closest(Selectors_editEnrolment);editLink&&(e.preventDefault(),showEditDialogue(editLink,getBodyFunction));var unenrolLink=e.target.closest(Selectors_unenrol);unenrolLink&&(e.preventDefault(),showUnenrolConfirmation(unenrolLink));var showDetailsLink=e.target.closest(Selectors_showDetails);showDetailsLink&&(e.preventDefault(),showStatusDetails(showDetailsLink))}}))}}));
+
+//# sourceMappingURL=status_field.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/status_field.min.js.map b/user/amd/build/status_field.min.js.map
index 5a805cd75e0..94e5c20b999 100644
--- a/user/amd/build/status_field.min.js.map
+++ b/user/amd/build/status_field.min.js.map
@@ -1 +1 @@
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This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for the user enrolment status field in the course participants page.\n *\n * @module     core_user/status_field\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Repository from './repository';\nimport * as Str from 'core/str';\nimport DynamicTableSelectors from 'core_table/local/dynamic/selectors';\nimport Fragment from 'core/fragment';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport {add as notifyUser} from 'core/toast';\n\nconst Selectors = {\n    editEnrolment: '[data-action=\"editenrolment\"]',\n    showDetails: '[data-action=\"showdetails\"]',\n    unenrol: '[data-action=\"unenrol\"]',\n    statusElement: '[data-status]',\n};\n\n/**\n * Get the dynamic table from the specified link.\n *\n * @param {HTMLElement} link\n * @returns {HTMLElement}\n */\nconst getDynamicTableFromLink = link => link.closest(DynamicTableSelectors.main.region);\n\n/**\n * Get the status container from the specified link.\n *\n * @param {HTMLElement} link\n * @returns {HTMLElement}\n */\nconst getStatusContainer = link => link.closest(Selectors.statusElement);\n\n/**\n * Get user enrolment id from the specified link\n *\n * @param {HTMLElement} link\n * @returns {Number}\n */\nconst getUserEnrolmentIdFromLink = link => link.getAttribute('rel');\n\n/**\n * Register all event listeners for the status fields.\n *\n * @param {Number} contextId\n * @param {Number} uniqueId\n */\nconst registerEventListeners = (contextId, uniqueId) => {\n    const getBodyFunction = (userEnrolmentId, formData) => getBody(contextId, userEnrolmentId, formData);\n\n    document.addEventListener('click', e => {\n        const tableRoot = e.target.closest(DynamicTableSelectors.main.fromRegionId(uniqueId));\n        if (!tableRoot) {\n            return;\n        }\n\n        const editLink = e.target.closest(Selectors.editEnrolment);\n        if (editLink) {\n            e.preventDefault();\n\n            showEditDialogue(editLink, getBodyFunction);\n        }\n\n        const unenrolLink = e.target.closest(Selectors.unenrol);\n        if (unenrolLink) {\n            e.preventDefault();\n\n            showUnenrolConfirmation(unenrolLink);\n        }\n\n        const showDetailsLink = e.target.closest(Selectors.showDetails);\n        if (showDetailsLink) {\n            e.preventDefault();\n\n            showStatusDetails(showDetailsLink);\n        }\n    });\n};\n\n/**\n * Show the edit dialogue.\n *\n * @param {HTMLElement} link\n * @param {Function} getBody Function to get the body for the specified user enrolment\n */\nconst showEditDialogue = (link, getBody) => {\n    const container = getStatusContainer(link);\n    const userEnrolmentId = getUserEnrolmentIdFromLink(link);\n\n    ModalFactory.create({\n        large: true,\n        title: Str.get_string('edituserenrolment', 'enrol', container.dataset.fullname),\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: getBody(userEnrolmentId)\n    })\n    .then(modal => {\n        // Handle save event.\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Don't close the modal yet.\n            e.preventDefault();\n\n            // Submit form data.\n            submitEditFormAjax(link, getBody, modal, userEnrolmentId, container.dataset);\n        });\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Show the modal.\n        modal.show();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Show and handle the unenrolment confirmation dialogue.\n *\n * @param {HTMLElement} link\n */\nconst showUnenrolConfirmation = link => {\n    const container = getStatusContainer(link);\n    const userEnrolmentId = getUserEnrolmentIdFromLink(link);\n\n    ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n    })\n    .then(modal => {\n        // Handle confirm event.\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Don't close the modal yet.\n            e.preventDefault();\n\n            // Submit data.\n            submitUnenrolFormAjax(\n                link,\n                modal,\n                {\n                    ueid: userEnrolmentId,\n                },\n                container.dataset\n            );\n        });\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Display the delete confirmation modal.\n        modal.show();\n\n        const stringData = [\n            {\n                key: 'unenrol',\n                component: 'enrol',\n            },\n            {\n                key: 'unenrolconfirm',\n                component: 'enrol',\n                param: {\n                    user: container.dataset.fullname,\n                    course: container.dataset.coursename,\n                    enrolinstancename: container.dataset.enrolinstancename,\n                }\n            }\n        ];\n\n        return Promise.all([Str.get_strings(stringData), modal]);\n    })\n    .then(([strings, modal]) => {\n        modal.setTitle(strings[0]);\n        modal.setSaveButtonText(strings[0]);\n        modal.setBody(strings[1]);\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Show the user details dialogue.\n *\n * @param {HTMLElement} link\n */\nconst showStatusDetails = link => {\n    const container = getStatusContainer(link);\n\n    const context = {\n        editenrollink: '',\n        statusclass: container.querySelector('span.badge').getAttribute('class'),\n        ...container.dataset,\n    };\n\n    // Find the edit enrolment link.\n    const editEnrolLink = container.querySelector(Selectors.editEnrolment);\n    if (editEnrolLink) {\n        // If there's an edit enrolment link for this user, clone it into the context for the modal.\n        context.editenrollink = editEnrolLink.outerHTML;\n    }\n\n    ModalFactory.create({\n        large: true,\n        type: ModalFactory.types.CANCEL,\n        title: Str.get_string('enroldetails', 'enrol'),\n        body: Templates.render('core_user/status_details', context),\n    })\n    .then(modal => {\n        if (editEnrolLink) {\n            modal.getRoot().on('click', Selectors.editEnrolment, e => {\n                e.preventDefault();\n                modal.hide();\n\n                // Trigger click event for the edit enrolment link to show the edit enrolment modal.\n                editEnrolLink.click();\n            });\n        }\n\n        modal.show();\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => modal.destroy());\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Submit the edit dialogue.\n *\n * @param {HTMLElement} clickedLink\n * @param {Function} getBody\n * @param {Object} modal\n * @param {Number} userEnrolmentId\n * @param {Object} userData\n */\nconst submitEditFormAjax = (clickedLink, getBody, modal, userEnrolmentId, userData) => {\n    const form = modal.getRoot().find('form');\n\n    Repository.submitUserEnrolmentForm(form.serialize())\n    .then(data => {\n        if (!data.result) {\n            throw data.result;\n        }\n\n        // Dismiss the modal.\n        modal.hide();\n        modal.destroy();\n\n        return data;\n    })\n    .then(() => {\n        DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink))\n        .catch(Notification.exception);\n\n        return Str.get_string('enrolmentupdatedforuser', 'core_enrol', userData);\n    })\n    .then(notificationString => {\n        notifyUser(notificationString);\n\n        return;\n    })\n    .catch(() => {\n        modal.setBody(getBody(userEnrolmentId, JSON.stringify(form.serialize())));\n\n        return modal;\n    });\n};\n\n/**\n * Submit the unenrolment form.\n *\n * @param {HTMLElement} clickedLink\n * @param {Object} modal\n * @param {Object} args\n * @param {Object} userData\n */\nconst submitUnenrolFormAjax = (clickedLink, modal, args, userData) => {\n    Repository.unenrolUser(args.ueid)\n    .then(data => {\n        if (!data.result) {\n            // Display an alert containing the error message\n            Notification.alert(data.errors[0].key, data.errors[0].message);\n\n            return data;\n        }\n\n        // Dismiss the modal.\n        modal.hide();\n        modal.destroy();\n\n        return data;\n    })\n    .then(() => {\n        DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink))\n        .catch(Notification.exception);\n\n        return Str.get_string('unenrolleduser', 'core_enrol', userData);\n    })\n    .then(notificationString => {\n        notifyUser(notificationString);\n\n        return;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Get the body fragment.\n *\n * @param {Number} contextId\n * @param {Number} ueid The user enrolment id\n * @param {Object} formdata\n * @returns {Promise}\n */\nconst getBody = (contextId, ueid, formdata = null) => Fragment.loadFragment(\n    'enrol',\n    'user_enrolment_form',\n    contextId,\n    {\n        ueid,\n        formdata,\n    }\n);\n\n/**\n * Initialise the statu field handler.\n *\n * @param {Number} contextid\n * @param {Number} uniqueid\n */\nexport const init = ({contextid, uniqueid}) => {\n    registerEventListeners(contextid, uniqueid);\n};\n"],"file":"status_field.min.js"}
\ No newline at end of file
+{"version":3,"file":"status_field.min.js","sources":["../src/status_field.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * AMD module for the user enrolment status field in the course participants page.\n *\n * @module     core_user/status_field\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\n\nimport * as DynamicTable from 'core_table/dynamic';\nimport * as Repository from './repository';\nimport * as Str from 'core/str';\nimport DynamicTableSelectors from 'core_table/local/dynamic/selectors';\nimport Fragment from 'core/fragment';\nimport ModalEvents from 'core/modal_events';\nimport ModalFactory from 'core/modal_factory';\nimport Notification from 'core/notification';\nimport Templates from 'core/templates';\nimport {add as notifyUser} from 'core/toast';\n\nconst Selectors = {\n    editEnrolment: '[data-action=\"editenrolment\"]',\n    showDetails: '[data-action=\"showdetails\"]',\n    unenrol: '[data-action=\"unenrol\"]',\n    statusElement: '[data-status]',\n};\n\n/**\n * Get the dynamic table from the specified link.\n *\n * @param {HTMLElement} link\n * @returns {HTMLElement}\n */\nconst getDynamicTableFromLink = link => link.closest(DynamicTableSelectors.main.region);\n\n/**\n * Get the status container from the specified link.\n *\n * @param {HTMLElement} link\n * @returns {HTMLElement}\n */\nconst getStatusContainer = link => link.closest(Selectors.statusElement);\n\n/**\n * Get user enrolment id from the specified link\n *\n * @param {HTMLElement} link\n * @returns {Number}\n */\nconst getUserEnrolmentIdFromLink = link => link.getAttribute('rel');\n\n/**\n * Register all event listeners for the status fields.\n *\n * @param {Number} contextId\n * @param {Number} uniqueId\n */\nconst registerEventListeners = (contextId, uniqueId) => {\n    const getBodyFunction = (userEnrolmentId, formData) => getBody(contextId, userEnrolmentId, formData);\n\n    document.addEventListener('click', e => {\n        const tableRoot = e.target.closest(DynamicTableSelectors.main.fromRegionId(uniqueId));\n        if (!tableRoot) {\n            return;\n        }\n\n        const editLink = e.target.closest(Selectors.editEnrolment);\n        if (editLink) {\n            e.preventDefault();\n\n            showEditDialogue(editLink, getBodyFunction);\n        }\n\n        const unenrolLink = e.target.closest(Selectors.unenrol);\n        if (unenrolLink) {\n            e.preventDefault();\n\n            showUnenrolConfirmation(unenrolLink);\n        }\n\n        const showDetailsLink = e.target.closest(Selectors.showDetails);\n        if (showDetailsLink) {\n            e.preventDefault();\n\n            showStatusDetails(showDetailsLink);\n        }\n    });\n};\n\n/**\n * Show the edit dialogue.\n *\n * @param {HTMLElement} link\n * @param {Function} getBody Function to get the body for the specified user enrolment\n */\nconst showEditDialogue = (link, getBody) => {\n    const container = getStatusContainer(link);\n    const userEnrolmentId = getUserEnrolmentIdFromLink(link);\n\n    ModalFactory.create({\n        large: true,\n        title: Str.get_string('edituserenrolment', 'enrol', container.dataset.fullname),\n        type: ModalFactory.types.SAVE_CANCEL,\n        body: getBody(userEnrolmentId)\n    })\n    .then(modal => {\n        // Handle save event.\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Don't close the modal yet.\n            e.preventDefault();\n\n            // Submit form data.\n            submitEditFormAjax(link, getBody, modal, userEnrolmentId, container.dataset);\n        });\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Show the modal.\n        modal.show();\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Show and handle the unenrolment confirmation dialogue.\n *\n * @param {HTMLElement} link\n */\nconst showUnenrolConfirmation = link => {\n    const container = getStatusContainer(link);\n    const userEnrolmentId = getUserEnrolmentIdFromLink(link);\n\n    ModalFactory.create({\n        type: ModalFactory.types.SAVE_CANCEL,\n    })\n    .then(modal => {\n        // Handle confirm event.\n        modal.getRoot().on(ModalEvents.save, e => {\n            // Don't close the modal yet.\n            e.preventDefault();\n\n            // Submit data.\n            submitUnenrolFormAjax(\n                link,\n                modal,\n                {\n                    ueid: userEnrolmentId,\n                },\n                container.dataset\n            );\n        });\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => {\n            // Destroy when hidden.\n            modal.destroy();\n        });\n\n        // Display the delete confirmation modal.\n        modal.show();\n\n        const stringData = [\n            {\n                key: 'unenrol',\n                component: 'enrol',\n            },\n            {\n                key: 'unenrolconfirm',\n                component: 'enrol',\n                param: {\n                    user: container.dataset.fullname,\n                    course: container.dataset.coursename,\n                    enrolinstancename: container.dataset.enrolinstancename,\n                }\n            }\n        ];\n\n        return Promise.all([Str.get_strings(stringData), modal]);\n    })\n    .then(([strings, modal]) => {\n        modal.setTitle(strings[0]);\n        modal.setSaveButtonText(strings[0]);\n        modal.setBody(strings[1]);\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Show the user details dialogue.\n *\n * @param {HTMLElement} link\n */\nconst showStatusDetails = link => {\n    const container = getStatusContainer(link);\n\n    const context = {\n        editenrollink: '',\n        statusclass: container.querySelector('span.badge').getAttribute('class'),\n        ...container.dataset,\n    };\n\n    // Find the edit enrolment link.\n    const editEnrolLink = container.querySelector(Selectors.editEnrolment);\n    if (editEnrolLink) {\n        // If there's an edit enrolment link for this user, clone it into the context for the modal.\n        context.editenrollink = editEnrolLink.outerHTML;\n    }\n\n    ModalFactory.create({\n        large: true,\n        type: ModalFactory.types.CANCEL,\n        title: Str.get_string('enroldetails', 'enrol'),\n        body: Templates.render('core_user/status_details', context),\n    })\n    .then(modal => {\n        if (editEnrolLink) {\n            modal.getRoot().on('click', Selectors.editEnrolment, e => {\n                e.preventDefault();\n                modal.hide();\n\n                // Trigger click event for the edit enrolment link to show the edit enrolment modal.\n                editEnrolLink.click();\n            });\n        }\n\n        modal.show();\n\n        // Handle hidden event.\n        modal.getRoot().on(ModalEvents.hidden, () => modal.destroy());\n\n        return modal;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Submit the edit dialogue.\n *\n * @param {HTMLElement} clickedLink\n * @param {Function} getBody\n * @param {Object} modal\n * @param {Number} userEnrolmentId\n * @param {Object} userData\n */\nconst submitEditFormAjax = (clickedLink, getBody, modal, userEnrolmentId, userData) => {\n    const form = modal.getRoot().find('form');\n\n    Repository.submitUserEnrolmentForm(form.serialize())\n    .then(data => {\n        if (!data.result) {\n            throw data.result;\n        }\n\n        // Dismiss the modal.\n        modal.hide();\n        modal.destroy();\n\n        return data;\n    })\n    .then(() => {\n        DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink))\n        .catch(Notification.exception);\n\n        return Str.get_string('enrolmentupdatedforuser', 'core_enrol', userData);\n    })\n    .then(notificationString => {\n        notifyUser(notificationString);\n\n        return;\n    })\n    .catch(() => {\n        modal.setBody(getBody(userEnrolmentId, JSON.stringify(form.serialize())));\n\n        return modal;\n    });\n};\n\n/**\n * Submit the unenrolment form.\n *\n * @param {HTMLElement} clickedLink\n * @param {Object} modal\n * @param {Object} args\n * @param {Object} userData\n */\nconst submitUnenrolFormAjax = (clickedLink, modal, args, userData) => {\n    Repository.unenrolUser(args.ueid)\n    .then(data => {\n        if (!data.result) {\n            // Display an alert containing the error message\n            Notification.alert(data.errors[0].key, data.errors[0].message);\n\n            return data;\n        }\n\n        // Dismiss the modal.\n        modal.hide();\n        modal.destroy();\n\n        return data;\n    })\n    .then(() => {\n        DynamicTable.refreshTableContent(getDynamicTableFromLink(clickedLink))\n        .catch(Notification.exception);\n\n        return Str.get_string('unenrolleduser', 'core_enrol', userData);\n    })\n    .then(notificationString => {\n        notifyUser(notificationString);\n\n        return;\n    })\n    .catch(Notification.exception);\n};\n\n/**\n * Get the body fragment.\n *\n * @param {Number} contextId\n * @param {Number} ueid The user enrolment id\n * @param {Object} formdata\n * @returns {Promise}\n */\nconst getBody = (contextId, ueid, formdata = null) => Fragment.loadFragment(\n    'enrol',\n    'user_enrolment_form',\n    contextId,\n    {\n        ueid,\n        formdata,\n    }\n);\n\n/**\n * Initialise the statu field handler.\n *\n * @param {Number} contextid\n * @param {Number} uniqueid\n */\nexport const init = ({contextid, uniqueid}) => {\n    registerEventListeners(contextid, uniqueid);\n};\n"],"names":["Selectors","getDynamicTableFromLink","link","closest","DynamicTableSelectors","main","region","getStatusContainer","getUserEnrolmentIdFromLink","getAttribute","showEditDialogue","getBody","container","userEnrolmentId","create","large","title","Str","get_string","dataset","fullname","type","ModalFactory","types","SAVE_CANCEL","body","then","modal","getRoot","on","ModalEvents","save","e","preventDefault","submitEditFormAjax","hidden","destroy","show","catch","Notification","exception","showUnenrolConfirmation","submitUnenrolFormAjax","ueid","stringData","key","component","param","user","course","coursename","enrolinstancename","Promise","all","get_strings","strings","setTitle","setSaveButtonText","setBody","showStatusDetails","context","editenrollink","statusclass","querySelector","editEnrolLink","outerHTML","CANCEL","Templates","render","hide","click","clickedLink","userData","form","find","Repository","submitUserEnrolmentForm","serialize","data","result","DynamicTable","refreshTableContent","notificationString","JSON","stringify","args","unenrolUser","alert","errors","message","contextId","formdata","Fragment","loadFragment","uniqueId","getBodyFunction","contextid","uniqueid","formData","document","addEventListener","target","fromRegionId","editLink","unenrolLink","showDetailsLink"],"mappings":"gtHAkCMA,wBACa,gCADbA,sBAEW,8BAFXA,kBAGO,0BAHPA,wBAIa,gBASbC,wBAA0B,SAAAC,aAAQA,KAAKC,QAAQC,mBAAsBC,KAAKC,SAQ1EC,mBAAqB,SAAAL,aAAQA,KAAKC,QAAQH,0BAQ1CQ,2BAA6B,SAAAN,aAAQA,KAAKO,aAAa,QA8CvDC,iBAAmB,SAACR,KAAMS,aACtBC,UAAYL,mBAAmBL,MAC/BW,gBAAkBL,2BAA2BN,6BAEtCY,OAAO,CAChBC,OAAO,EACPC,MAAOC,IAAIC,WAAW,oBAAqB,QAASN,UAAUO,QAAQC,UACtEC,KAAMC,uBAAaC,MAAMC,YACzBC,KAAMd,QAAQE,mBAEjBa,MAAK,SAAAC,cAEFA,MAAMC,UAAUC,GAAGC,sBAAYC,MAAM,SAAAC,GAEjCA,EAAEC,iBAGFC,mBAAmBhC,KAAMS,QAASgB,MAAOd,gBAAiBD,UAAUO,YAIxEQ,MAAMC,UAAUC,GAAGC,sBAAYK,QAAQ,WAEnCR,MAAMS,aAIVT,MAAMU,OAECV,SAEVW,MAAMC,sBAAaC,YAQlBC,wBAA0B,SAAAvC,UACtBU,UAAYL,mBAAmBL,MAC/BW,gBAAkBL,2BAA2BN,6BAEtCY,OAAO,CAChBO,KAAMC,uBAAaC,MAAMC,cAE5BE,MAAK,SAAAC,OAEFA,MAAMC,UAAUC,GAAGC,sBAAYC,MAAM,SAAAC,GAEjCA,EAAEC,iBAGFS,sBACIxC,KACAyB,MACA,CACIgB,KAAM9B,iBAEVD,UAAUO,YAKlBQ,MAAMC,UAAUC,GAAGC,sBAAYK,QAAQ,WAEnCR,MAAMS,aAIVT,MAAMU,WAEAO,WAAa,CACf,CACIC,IAAK,UACLC,UAAW,SAEf,CACID,IAAK,iBACLC,UAAW,QACXC,MAAO,CACHC,KAAMpC,UAAUO,QAAQC,SACxB6B,OAAQrC,UAAUO,QAAQ+B,WAC1BC,kBAAmBvC,UAAUO,QAAQgC,4BAK1CC,QAAQC,IAAI,CAACpC,IAAIqC,YAAYV,YAAajB,WAEpDD,MAAK,gDAAE6B,iBAAS5B,sBACbA,MAAM6B,SAASD,QAAQ,IACvB5B,MAAM8B,kBAAkBF,QAAQ,IAChC5B,MAAM+B,QAAQH,QAAQ,IAEf5B,SAEVW,MAAMC,sBAAaC,YAQlBmB,kBAAoB,SAAAzD,UAChBU,UAAYL,mBAAmBL,MAE/B0D,scACFC,cAAe,GACfC,YAAalD,UAAUmD,cAAc,cAActD,aAAa,UAC7DG,UAAUO,SAIX6C,cAAgBpD,UAAUmD,cAAc/D,yBAC1CgE,gBAEAJ,QAAQC,cAAgBG,cAAcC,kCAG7BnD,OAAO,CAChBC,OAAO,EACPM,KAAMC,uBAAaC,MAAM2C,OACzBlD,MAAOC,IAAIC,WAAW,eAAgB,SACtCO,KAAM0C,mBAAUC,OAAO,2BAA4BR,WAEtDlC,MAAK,SAAAC,cACEqC,eACArC,MAAMC,UAAUC,GAAG,QAAS7B,yBAAyB,SAAAgC,GACjDA,EAAEC,iBACFN,MAAM0C,OAGNL,cAAcM,WAItB3C,MAAMU,OAGNV,MAAMC,UAAUC,GAAGC,sBAAYK,QAAQ,kBAAMR,MAAMS,aAE5CT,SAEVW,MAAMC,sBAAaC,YAYlBN,mBAAqB,SAACqC,YAAa5D,QAASgB,MAAOd,gBAAiB2D,cAChEC,KAAO9C,MAAMC,UAAU8C,KAAK,QAElCC,WAAWC,wBAAwBH,KAAKI,aACvCnD,MAAK,SAAAoD,UACGA,KAAKC,aACAD,KAAKC,cAIfpD,MAAM0C,OACN1C,MAAMS,UAEC0C,QAEVpD,MAAK,kBACFsD,aAAaC,oBAAoBhF,wBAAwBsE,cACxDjC,MAAMC,sBAAaC,WAEbvB,IAAIC,WAAW,0BAA2B,aAAcsD,aAElE9C,MAAK,SAAAwD,mCACSA,uBAId5C,OAAM,kBACHX,MAAM+B,QAAQ/C,QAAQE,gBAAiBsE,KAAKC,UAAUX,KAAKI,eAEpDlD,UAYTe,sBAAwB,SAAC6B,YAAa5C,MAAO0D,KAAMb,UACrDG,WAAWW,YAAYD,KAAK1C,MAC3BjB,MAAK,SAAAoD,aACGA,KAAKC,QAQVpD,MAAM0C,OACN1C,MAAMS,UAEC0C,6BATUS,MAAMT,KAAKU,OAAO,GAAG3C,IAAKiC,KAAKU,OAAO,GAAGC,SAE/CX,SASdpD,MAAK,kBACFsD,aAAaC,oBAAoBhF,wBAAwBsE,cACxDjC,MAAMC,sBAAaC,WAEbvB,IAAIC,WAAW,iBAAkB,aAAcsD,aAEzD9C,MAAK,SAAAwD,mCACSA,uBAId5C,MAAMC,sBAAaC,YAWlB7B,QAAU,SAAC+E,UAAW/C,UAAMgD,gEAAW,YAASC,kBAASC,aAC3D,QACA,sBACAH,UACA,CACI/C,KAAAA,KACAgD,SAAAA,0BAUY,oBAlSYD,UAAWI,SACjCC,gBAiSYC,gBAAAA,UAAWC,eAAAA,SAlSDP,UAmSLM,UAnSgBF,SAmSLG,SAlS5BF,gBAAkB,SAAClF,gBAAiBqF,iBAAavF,QAAQ+E,UAAW7E,gBAAiBqF,WAE3FC,SAASC,iBAAiB,SAAS,SAAApE,MACbA,EAAEqE,OAAOlG,QAAQC,mBAAsBC,KAAKiG,aAAaR,gBAKrES,SAAWvE,EAAEqE,OAAOlG,QAAQH,yBAC9BuG,WACAvE,EAAEC,iBAEFvB,iBAAiB6F,SAAUR,sBAGzBS,YAAcxE,EAAEqE,OAAOlG,QAAQH,mBACjCwG,cACAxE,EAAEC,iBAEFQ,wBAAwB+D,kBAGtBC,gBAAkBzE,EAAEqE,OAAOlG,QAAQH,uBACrCyG,kBACAzE,EAAEC,iBAEF0B,kBAAkB8C"}
\ No newline at end of file
diff --git a/user/amd/build/unified_filter.min.js b/user/amd/build/unified_filter.min.js
index 80744f401fb..7ec71fd4591 100644
--- a/user/amd/build/unified_filter.min.js
+++ b/user/amd/build/unified_filter.min.js
@@ -1,2 +1,12 @@
-define ("core_user/unified_filter",["jquery","core/form-autocomplete","core/str","core/notification"],function(a,b,c,d){var e={UNIFIED_FILTERS:"#unified-filters"},f=function init(){M.util.js_pending("unified_filter_datasource");c.get_strings([{key:"userfilterplaceholder",component:"moodle"},{key:"nofiltersapplied",component:"moodle"}]).done(function(a){var c=a[0],f=a[1];b.enhance(e.UNIFIED_FILTERS,!0,"core_user/unified_filter_datasource",c,!1,!0,f,!0).then(function(){M.util.js_complete("unified_filter_datasource")}).fail(d.exception)}).fail(d.exception);var f=a(e.UNIFIED_FILTERS).val();a(e.UNIFIED_FILTERS).on("change",function(){var b=a(this).val(),c=[],d=[],e=!1;a.each(b,function(a,b){var f=b.split(":",2);if(2!==f.length){d.push(b);return!0}var g=f[0],h=f[1];if("undefined"!=typeof c[g]){e=!0}c[g]=h;return!0});if(e){var g=[];for(var h in c){g.push(h+":"+c[h])}g=g.concat(d);a(this).val(g)}if(f.join(",")!=b.join(",")){this.form.submit()}})},g=function getForm(){return a(e.UNIFIED_FILTERS).closest("form")};return{init:function init(){f()},getForm:function getForm(){return g()}}});
-//# sourceMappingURL=unified_filter.min.js.map
+/**
+ * Unified filter page JS module for the course participants page.
+ *
+ * @deprecated since Moodle 3.9 MDL-68612 - user unified filter replaced by participants filter.
+ * @module     core_user/unified_filter
+ * @package    core_user
+ * @copyright  2017 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_user/unified_filter",["jquery","core/form-autocomplete","core/str","core/notification"],(function($,Autocomplete,Str,Notification){var SELECTORS_UNIFIED_FILTERS="#unified-filters";return{init:function(){!function(){M.util.js_pending("unified_filter_datasource"),Str.get_strings([{key:"userfilterplaceholder",component:"moodle"},{key:"nofiltersapplied",component:"moodle"}]).done((function(langstrings){var placeholder=langstrings[0],noSelectionString=langstrings[1];Autocomplete.enhance(SELECTORS_UNIFIED_FILTERS,!0,"core_user/unified_filter_datasource",placeholder,!1,!0,noSelectionString,!0).then((function(){M.util.js_complete("unified_filter_datasource")})).fail(Notification.exception)})).fail(Notification.exception);var last=$(SELECTORS_UNIFIED_FILTERS).val();$(SELECTORS_UNIFIED_FILTERS).on("change",(function(){var current=$(this).val(),listoffilters=[],textfilters=[],updatedselectedfilters=!1;if($.each(current,(function(index,catoption){var catandoption=catoption.split(":",2);if(2!==catandoption.length)return textfilters.push(catoption),!0;var category=catandoption[0],option=catandoption[1];return void 0!==listoffilters[category]&&(updatedselectedfilters=!0),listoffilters[category]=option,!0})),updatedselectedfilters){var updatefilters=[];for(var category in listoffilters)updatefilters.push(category+":"+listoffilters[category]);updatefilters=updatefilters.concat(textfilters),$(this).val(updatefilters)}last.join(",")!=current.join(",")&&this.form.submit()}))}()},getForm:function(){return $(SELECTORS_UNIFIED_FILTERS).closest("form")}}}));
+
+//# sourceMappingURL=unified_filter.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/unified_filter.min.js.map b/user/amd/build/unified_filter.min.js.map
index 2eef9fc96fa..488dcb2ca88 100644
--- a/user/amd/build/unified_filter.min.js.map
+++ b/user/amd/build/unified_filter.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Unified filter page JS module for the course participants page.\n *\n * @deprecated since Moodle 3.9 MDL-68612 - user unified filter replaced by participants filter.\n * @module     core_user/unified_filter\n * @package    core_user\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/form-autocomplete', 'core/str', 'core/notification'],\n        function($, Autocomplete, Str, Notification) {\n\n    /**\n     * Selectors.\n     *\n     * @access private\n     * @type {{UNIFIED_FILTERS: string}}\n     */\n    var SELECTORS = {\n        UNIFIED_FILTERS: '#unified-filters'\n    };\n\n    /**\n     * Init function.\n     *\n     * @deprecated since Moodle 3.9 MDL-68612 - user unified filter replaced by participants filter.\n     * @method init\n     * @private\n     */\n    var init = function() {\n        var stringkeys = [\n            {\n                key: 'userfilterplaceholder',\n                component: 'moodle'\n            },\n            {\n                key: 'nofiltersapplied',\n                component: 'moodle'\n            }\n        ];\n\n        M.util.js_pending('unified_filter_datasource');\n        Str.get_strings(stringkeys).done(function(langstrings) {\n            var placeholder = langstrings[0];\n            var noSelectionString = langstrings[1];\n            Autocomplete.enhance(SELECTORS.UNIFIED_FILTERS, true, 'core_user/unified_filter_datasource', placeholder,\n                false, true, noSelectionString, true)\n            .then(function() {\n                M.util.js_complete('unified_filter_datasource');\n\n                return;\n            })\n            .fail(Notification.exception);\n        }).fail(Notification.exception);\n\n        var last = $(SELECTORS.UNIFIED_FILTERS).val();\n        $(SELECTORS.UNIFIED_FILTERS).on('change', function() {\n            var current = $(this).val();\n            var listoffilters = [];\n            var textfilters = [];\n            var updatedselectedfilters = false;\n\n            $.each(current, function(index, catoption) {\n                var catandoption = catoption.split(':', 2);\n                if (catandoption.length !== 2) {\n                    textfilters.push(catoption);\n                    return true; // Text search filter.\n                }\n\n                var category = catandoption[0];\n                var option = catandoption[1];\n\n                // The last option (eg. 'Teacher') out of a category (eg. 'Role') in this loop is the one that was last\n                // selected, so we want to use that if there are multiple options from the same category. Eg. The user\n                // may have chosen to filter by the 'Student' role, then wanted to filter by the 'Teacher' role - the\n                // last option in the category to be selected (in this case 'Teacher') will come last, so will overwrite\n                // 'Student' (after this if). We want to let the JS know that the filters have been updated.\n                if (typeof listoffilters[category] !== 'undefined') {\n                    updatedselectedfilters = true;\n                }\n\n                listoffilters[category] = option;\n                return true;\n            });\n\n            // Check if we have something to remove from the list of filters.\n            if (updatedselectedfilters) {\n                // Go through and put the list into something we can use to update the list of filters.\n                var updatefilters = [];\n                for (var category in listoffilters) {\n                    updatefilters.push(category + \":\" + listoffilters[category]);\n                }\n                updatefilters = updatefilters.concat(textfilters);\n                $(this).val(updatefilters);\n            }\n\n            // Prevent form from submitting unnecessarily, eg. on blur when no filter is selected.\n            if (last.join(',') != current.join(',')) {\n                this.form.submit();\n            }\n        });\n    };\n\n    /**\n     * Return the unified user filter form.\n     *\n     * @deprecated since Moodle 3.9 MDL-68612 - user unified filter replaced by participants filter.\n     * @method getForm\n     * @return {DOMElement}\n     */\n    var getForm = function() {\n        return $(SELECTORS.UNIFIED_FILTERS).closest('form');\n    };\n\n    return /** @alias module:core/form-autocomplete */ {\n        /**\n         * Initialise the unified user filter.\n         *\n         * @method init\n         */\n        init: function() {\n            init();\n        },\n\n        /**\n         * Return the unified user filter form.\n         *\n         * @method getForm\n         * @return {DOMElement}\n         */\n        getForm: function() {\n            return getForm();\n        }\n    };\n});\n"],"file":"unified_filter.min.js"}
\ No newline at end of file
+{"version":3,"file":"unified_filter.min.js","sources":["../src/unified_filter.js"],"sourcesContent":["// This file is part of Moodle - http://moodle.org/\n//\n// Moodle is free software: you can redistribute it and/or modify\n// it under the terms of the GNU General Public License as published by\n// the Free Software Foundation, either version 3 of the License, or\n// (at your option) any later version.\n//\n// Moodle is distributed in the hope that it will be useful,\n// but WITHOUT ANY WARRANTY; without even the implied warranty of\n// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.\n\n/**\n * Unified filter page JS module for the course participants page.\n *\n * @deprecated since Moodle 3.9 MDL-68612 - user unified filter replaced by participants filter.\n * @module     core_user/unified_filter\n * @package    core_user\n * @copyright  2017 Jun Pataleta\n * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later\n */\ndefine(['jquery', 'core/form-autocomplete', 'core/str', 'core/notification'],\n        function($, Autocomplete, Str, Notification) {\n\n    /**\n     * Selectors.\n     *\n     * @access private\n     * @type {{UNIFIED_FILTERS: string}}\n     */\n    var SELECTORS = {\n        UNIFIED_FILTERS: '#unified-filters'\n    };\n\n    /**\n     * Init function.\n     *\n     * @deprecated since Moodle 3.9 MDL-68612 - user unified filter replaced by participants filter.\n     * @method init\n     * @private\n     */\n    var init = function() {\n        var stringkeys = [\n            {\n                key: 'userfilterplaceholder',\n                component: 'moodle'\n            },\n            {\n                key: 'nofiltersapplied',\n                component: 'moodle'\n            }\n        ];\n\n        M.util.js_pending('unified_filter_datasource');\n        Str.get_strings(stringkeys).done(function(langstrings) {\n            var placeholder = langstrings[0];\n            var noSelectionString = langstrings[1];\n            Autocomplete.enhance(SELECTORS.UNIFIED_FILTERS, true, 'core_user/unified_filter_datasource', placeholder,\n                false, true, noSelectionString, true)\n            .then(function() {\n                M.util.js_complete('unified_filter_datasource');\n\n                return;\n            })\n            .fail(Notification.exception);\n        }).fail(Notification.exception);\n\n        var last = $(SELECTORS.UNIFIED_FILTERS).val();\n        $(SELECTORS.UNIFIED_FILTERS).on('change', function() {\n            var current = $(this).val();\n            var listoffilters = [];\n            var textfilters = [];\n            var updatedselectedfilters = false;\n\n            $.each(current, function(index, catoption) {\n                var catandoption = catoption.split(':', 2);\n                if (catandoption.length !== 2) {\n                    textfilters.push(catoption);\n                    return true; // Text search filter.\n                }\n\n                var category = catandoption[0];\n                var option = catandoption[1];\n\n                // The last option (eg. 'Teacher') out of a category (eg. 'Role') in this loop is the one that was last\n                // selected, so we want to use that if there are multiple options from the same category. Eg. The user\n                // may have chosen to filter by the 'Student' role, then wanted to filter by the 'Teacher' role - the\n                // last option in the category to be selected (in this case 'Teacher') will come last, so will overwrite\n                // 'Student' (after this if). We want to let the JS know that the filters have been updated.\n                if (typeof listoffilters[category] !== 'undefined') {\n                    updatedselectedfilters = true;\n                }\n\n                listoffilters[category] = option;\n                return true;\n            });\n\n            // Check if we have something to remove from the list of filters.\n            if (updatedselectedfilters) {\n                // Go through and put the list into something we can use to update the list of filters.\n                var updatefilters = [];\n                for (var category in listoffilters) {\n                    updatefilters.push(category + \":\" + listoffilters[category]);\n                }\n                updatefilters = updatefilters.concat(textfilters);\n                $(this).val(updatefilters);\n            }\n\n            // Prevent form from submitting unnecessarily, eg. on blur when no filter is selected.\n            if (last.join(',') != current.join(',')) {\n                this.form.submit();\n            }\n        });\n    };\n\n    /**\n     * Return the unified user filter form.\n     *\n     * @deprecated since Moodle 3.9 MDL-68612 - user unified filter replaced by participants filter.\n     * @method getForm\n     * @return {DOMElement}\n     */\n    var getForm = function() {\n        return $(SELECTORS.UNIFIED_FILTERS).closest('form');\n    };\n\n    return /** @alias module:core/form-autocomplete */ {\n        /**\n         * Initialise the unified user filter.\n         *\n         * @method init\n         */\n        init: function() {\n            init();\n        },\n\n        /**\n         * Return the unified user filter form.\n         *\n         * @method getForm\n         * @return {DOMElement}\n         */\n        getForm: function() {\n            return getForm();\n        }\n    };\n});\n"],"names":["define","$","Autocomplete","Str","Notification","SELECTORS","init","M","util","js_pending","get_strings","key","component","done","langstrings","placeholder","noSelectionString","enhance","then","js_complete","fail","exception","last","val","on","current","this","listoffilters","textfilters","updatedselectedfilters","each","index","catoption","catandoption","split","length","push","category","option","updatefilters","concat","join","form","submit","getForm","closest"],"mappings":";;;;;;;;;AAwBAA,kCAAO,CAAC,SAAU,yBAA0B,WAAY,sBAChD,SAASC,EAAGC,aAAcC,IAAKC,kBAQ/BC,0BACiB,yBA+F8B,CAM/CC,KAAM,YA3FC,WAYPC,EAAEC,KAAKC,WAAW,6BAClBN,IAAIO,YAZa,CACb,CACIC,IAAK,wBACLC,UAAW,UAEf,CACID,IAAK,mBACLC,UAAW,YAKSC,MAAK,SAASC,iBAClCC,YAAcD,YAAY,GAC1BE,kBAAoBF,YAAY,GACpCZ,aAAae,QAAQZ,2BAA2B,EAAM,sCAAuCU,aACzF,GAAO,EAAMC,mBAAmB,GACnCE,MAAK,WACFX,EAAEC,KAAKW,YAAY,gCAItBC,KAAKhB,aAAaiB,cACpBD,KAAKhB,aAAaiB,eAEjBC,KAAOrB,EAAEI,2BAA2BkB,MACxCtB,EAAEI,2BAA2BmB,GAAG,UAAU,eAClCC,QAAUxB,EAAEyB,MAAMH,MAClBI,cAAgB,GAChBC,YAAc,GACdC,wBAAyB,KAE7B5B,EAAE6B,KAAKL,SAAS,SAASM,MAAOC,eACxBC,aAAeD,UAAUE,MAAM,IAAK,MACZ,IAAxBD,aAAaE,cACbP,YAAYQ,KAAKJ,YACV,MAGPK,SAAWJ,aAAa,GACxBK,OAASL,aAAa,eAOa,IAA5BN,cAAcU,YACrBR,wBAAyB,GAG7BF,cAAcU,UAAYC,QACnB,KAIPT,uBAAwB,KAEpBU,cAAgB,OACf,IAAIF,YAAYV,cACjBY,cAAcH,KAAKC,SAAW,IAAMV,cAAcU,WAEtDE,cAAgBA,cAAcC,OAAOZ,aACrC3B,EAAEyB,MAAMH,IAAIgB,eAIZjB,KAAKmB,KAAK,MAAQhB,QAAQgB,KAAK,WAC1BC,KAAKC,YAuBdrC,IASJsC,QAAS,kBAnBF3C,EAAEI,2BAA2BwC,QAAQ"}
\ No newline at end of file
diff --git a/user/amd/build/unified_filter_datasource.min.js b/user/amd/build/unified_filter_datasource.min.js
index 5b1e3ad2aff..b6d0112c6d2 100644
--- a/user/amd/build/unified_filter_datasource.min.js
+++ b/user/amd/build/unified_filter_datasource.min.js
@@ -1,2 +1,13 @@
-define ("core_user/unified_filter_datasource",["jquery","core/ajax","core/notification"],function(a,b,c){return{list:function list(b,c){var d=[],e=a(b),f=a(b).data("originaloptionsjson"),g=e.val();a.each(f,function(b,e){if(""!==c.trim()&&-1===e.label.toLocaleLowerCase().indexOf(c.toLocaleLowerCase())){return!0}if(-1<a.inArray(e.value,g)){return!0}d.push(e);return!0});var h=new a.Deferred;h.resolve(d);return h.promise()},processResults:function processResults(b,c){var d=[];a.each(c,function(a,b){d.push({value:b.value,label:b.label})});return d},transport:function transport(a,b,d){this.list(a,b).then(d).catch(c.exception)}}});
-//# sourceMappingURL=unified_filter_datasource.min.js.map
+/**
+ * Datasource for the core_user/unified_filter.
+ * @deprecated since Moodle 3.9 MDL-68612 - user unified filter replaced by participants filter.
+ *
+ * This module is compatible with core/form-autocomplete.
+ *
+ * @package    core_user
+ * @copyright  2017 Jun Pataleta
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+define("core_user/unified_filter_datasource",["jquery","core/ajax","core/notification"],(function($,Ajax,Notification){return{list:function(selector,query){var filteredOptions=[],el=$(selector),originalOptions=$(selector).data("originaloptionsjson"),selectedFilters=el.val();$.each(originalOptions,(function(index,option){return""!==query.trim()&&-1===option.label.toLocaleLowerCase().indexOf(query.toLocaleLowerCase())||$.inArray(option.value,selectedFilters)>-1||filteredOptions.push(option),!0}));var deferred=new $.Deferred;return deferred.resolve(filteredOptions),deferred.promise()},processResults:function(selector,results){var options=[];return $.each(results,(function(index,data){options.push({value:data.value,label:data.label})})),options},transport:function(selector,query,callback){this.list(selector,query).then(callback).catch(Notification.exception)}}}));
+
+//# sourceMappingURL=unified_filter_datasource.min.js.map
\ No newline at end of file
diff --git a/user/amd/build/unified_filter_datasource.min.js.map b/user/amd/build/unified_filter_datasource.min.js.map
index d4488d6ae87..9dfa62f9648 100644
--- a/user/amd/build/unified_filter_datasource.min.js.map
+++ b/user/amd/build/unified_filter_datasource.min.js.map
@@ -1 +1 @@
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See the\n// GNU General Public License for more details.\n//\n// You should have received a copy of the GNU General Public License\n// along with Moodle.  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